fc-magnetite: src/g23m-gsm/dl/dl

annotate src/g23m-gsm/dl/dl_state.c @ 521:f9125919bbe4

README: update for Selenite

author	Mychaela Falconia <falcon@freecalypso.org>
date	Sun, 22 Jul 2018 19:10:47 +0000
parents	4b7e0dba42f6
children

rev	line source
104 27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1 /*
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2 +-----------------------------------------------------------------------------
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	3 \| Project : GSM-PS
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	4 \| Modul : DL_STATE
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	5 +-----------------------------------------------------------------------------
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	6 \| Copyright 2002 Texas Instruments Berlin, AG
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	7 \| All rights reserved.
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	8 \|
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	9 \| This file is confidential and a trade secret of Texas
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	10 \| Instruments Berlin, AG
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	11 \| The receipt of or possession of this file does not convey
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	12 \| any rights to reproduce or disclose its contents or to
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	13 \| manufacture, use, or sell anything it may describe, in
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	14 \| whole, or in part, without the specific written consent of
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	15 \| Texas Instruments Berlin, AG.
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	16 +-----------------------------------------------------------------------------
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	17 \| Purpose : This Modul defines the state machine of the component DL
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	18 \| (replaces the old channel dependent implementation)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	19 +-----------------------------------------------------------------------------
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	20 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	21
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	22 #ifndef DL_STATE_C
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	23 #define DL_STATE_C
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	24
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	25 #define ENTITY_DL
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	26 #define NEW_REJ_ACK /* Acknowledgement by valid reject frame
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	27 * in accordance with 3GPP 04.06, 5.5.3.1
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	28 * "On receipt of a valid I frame or supervisory frame"
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	29 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	30
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	31 /==== INCLUDES ===================================================/
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	32
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	33 #include "typedefs.h"
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	34 #include <string.h>
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	35 #include "vsi.h"
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	36 #include "pconst.cdg"
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	37 #include "custom.h"
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	38 #include "gsm.h"
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	39 #include "mon_dl.h"
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	40 #include "prim.h"
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	41 #include "pei.h"
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	42 #include "tok.h"
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	43 #include "ccdapi.h"
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	44 #include "dl.h"
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	45 #include "dl_em.h"
518 4b7e0dba42f6 src/g23m-gsm defenestration: include case fixes Mychaela Falconia <falcon@freecalypso.org> parents: 104 diff changeset	46 #include "dl_trc.h"
104 27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	47
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	48 /==== TYPEDEFS ===================================================/
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	49 typedef struct
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	50 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	51 UBYTE channel;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	52 UBYTE sapi;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	53 UBYTE state;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	54 UBYTE T200_Stop;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	55 UBYTE T200_Start;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	56 UBYTE pf_bit_flag;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	57 UBYTE dl_data_ind;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	58 UBYTE mdl_error_ind;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	59 T_CCH* pcch;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	60 } T_CCH_INTERN;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	61 #define T_CCH_INTERN_INIT {0,0,0,0,0,0,0}
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	62
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	63 /==== EXPORT =====================================================/
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	64 /==== PRIVAT =====================================================/
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	65 static int frame_validation (UBYTE channel_type, UBYTE* frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	66
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	67 static int downlink_idle (T_CCH_INTERN* pcch_i, UBYTE *frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	68 static int downlink_contention_resolution (T_CCH_INTERN* pcch_i, UBYTE *frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	69 static int downlink_mfe (T_CCH_INTERN* pcch_i, UBYTE *frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	70 static int downlink_timer_recovery (T_CCH_INTERN* pcch_i, UBYTE *frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	71 static int downlink_awaiting_release (T_CCH_INTERN* pcch_i, UBYTE *frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	72
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	73 static void downlink_mfe_information (T_CCH_INTERN* pcch_i, UBYTE *frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	74 static void downlink_mfe_supervisory (T_CCH_INTERN* pcch_i, UBYTE *frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	75 static void downlink_mfe_sabm (T_CCH_INTERN* pcch_i, UBYTE *frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	76 static void downlink_mfe_dm (T_CCH_INTERN* pcch_i, UBYTE *frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	77 static void downlink_mfe_tr_unnumbered (T_CCH_INTERN* pcch_i, UBYTE *frame, UBYTE state);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	78 static void downlink_i_frame (T_CCH_INTERN* pcch_i, UBYTE *frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	79 static void downlink_tr_supervisory (T_CCH_INTERN* pcch_i, UBYTE *frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	80 static void downlink_tr_information (T_CCH_INTERN* pcch_i, UBYTE *frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	81
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	82 static void invoke_retransmission (T_CCH_INTERN* pcch_i, UBYTE frame_nr);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	83 static void enquiry_response (T_CCH_INTERN* pcch_i, UBYTE *frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	84 static void mdl_error_ind (UBYTE cause, UBYTE channel_type, UBYTE sapi);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	85 static void nr_error_recovery (T_CCH_INTERN* pcch_i, UBYTE *frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	86 static void concatenate (UBYTE ch_type, UBYTE sapi, UBYTE *frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	87 static void free_sending_buffer (UBYTE ch_type, UBYTE sapi);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	88
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	89 static void repeat_sabm (UBYTE channel, UBYTE sapi);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	90 static void delayed_release_ind(UBYTE channel);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	91
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	92 static int uplink_idle (UBYTE channel, UBYTE sapi);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	93 static int uplink_awaiting_establishment (UBYTE channel, UBYTE sapi, UBYTE no_signalling_mode);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	94 static int uplink_mfe (UBYTE channel, UBYTE sapi, UBYTE no_signalling_mode);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	95 static int uplink_timer_recovery (UBYTE channel, UBYTE sapi, UBYTE no_signalling_mode);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	96
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	97 static void T200_expiry (UBYTE channel, UBYTE sapi);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	98
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	99 /==== VARIABLES ==================================================/
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	100
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	101 /Removed the const from the definition,rework for issue 25370/
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	102 static UBYTE l2_empty_frame [25] = {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	103 0x00, 0x00, /* the first two dummy bytes only for SACCH L1 header! */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	104 /* here begins the normal empty frame (SDCCH, FACCH) */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	105 0x01, /* address field: SAPI 0 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	106 0x03, /* control field: UI frame */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	107 0x01, /* length field: length = 0 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	108 0x2b, 0x2b, 0x2b, 0x2b, 0x2b,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	109 0x2b, 0x2b, 0x2b, 0x2b, 0x2b,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	110 0x2b, 0x2b, 0x2b, 0x2b, 0x2b,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	111 0x2b, 0x2b, 0x2b, 0x2b, 0x2b };
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	112 #if 0
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	113 static UBYTE l2_invalid_frame [25] = {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	114 0x00, 0x00, /* the first two dummy bytes only for SACCH L1 header! */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	115 /* here begins the normal empty frame (SDCCH, FACCH) */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	116 0x1D, /* address field: SAPI 7 (unallocated SAPI; no action shall be taken on such frames) */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	117 0x03, /* control field: UI frame */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	118 0x01, /* length field: length = 0 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	119 0x2b, 0x2b, 0x2b, 0x2b, 0x2b,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	120 0x2b, 0x2b, 0x2b, 0x2b, 0x2b,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	121 0x2b, 0x2b, 0x2b, 0x2b, 0x2b,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	122 0x2b, 0x2b, 0x2b, 0x2b, 0x2b };
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	123 static UBYTE l2_invalid_frame_0 [25] = {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	124 0x00, 0x00, /* the first two dummy bytes only for SACCH L1 header! */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	125 /* here begins the normal empty frame (SDCCH, FACCH) */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	126 0x00, /* address field: SAPI 0 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	127 0x00, /* control field: UI frame */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	128 0x00, /* length field: length = 0 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	129 0x00, 0x00, 0x00, 0x00, 0x00,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	130 0x00, 0x00, 0x00, 0x00, 0x00,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	131 0x00, 0x00, 0x00, 0x00, 0x00,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	132 0x00, 0x00, 0x00, 0x00, 0x00 };
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	133 #endif /* 0\|1 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	134 static T_CCH_INTERN cch_i;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	135
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	136 #if defined(CHECK_PCCHI)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	137 #define CHECK_PCCH_I() if (check_pcch_i(pcch_i, __LINE__)()return;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	138 #define CHECK_PCCH_Ir() if (check_pcch_i(pcch_i, __LINE__)()return -1;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	139 #else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	140 #define CHECK_PCCH_I()
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	141 #define CHECK_PCCH_Ir()
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	142 #endif /* CHECK_PCCHI */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	143
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	144 /==== FUNCTIONS ==================================================/
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	145 int dl_downlink (UBYTE error_flag, UBYTE channel_type, UBYTE* frame, ULONG fn)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	146 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	147 UBYTE channel_state = STATE_INVALID;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	148 UBYTE channel = NOT_PRESENT_8BIT;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	149 UBYTE frame_sapi = PS_SAPI_0; /* to calm lint, will be new set for valid frames */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	150 static UBYTE invalid = 0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	151 int ret = -2;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	152 int cause;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	153 int l2_offset;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	154
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	155 GET_INSTANCE_DATA;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	156
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	157 TRACE_EVENT_WIN_P1 ("downlink(): dcch0_ch_type:%s",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	158 CH_TYPE_NAME[dl_data->dcch0_ch_type]);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	159 TRACE_EVENT_WIN_P6 ("DL: DCCH0=%s,%s vr=%u vs=%u va=%u T200=%u",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	160 CH_TYPE_NAME[dl_data->cch[C_DCCH0].ch_type],
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	161 STATE_DCCH0_NAME[dl_data->state[C_DCCH0]],
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	162 dl_data->cch[C_DCCH0].vr, dl_data->cch[C_DCCH0].vs, dl_data->cch[C_DCCH0].va,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	163 dl_data->cch[C_DCCH0].T200_counter);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	164 TRACE_EVENT_WIN_P6 ("DL: DCCH3=%s,%s vr=%u vs=%u va=%u T200=%u",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	165 CH_TYPE_NAME[dl_data->cch[C_DCCH3].ch_type],
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	166 STATE_DCCH3_NAME[dl_data->state[C_DCCH3]],
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	167 dl_data->cch[C_DCCH3].vr, dl_data->cch[C_DCCH3].vs, dl_data->cch[C_DCCH3].va,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	168 dl_data->cch[C_DCCH3].T200_counter);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	169
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	170 if (channel_type EQ L2_CHANNEL_SACCH)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	171 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	172 l2_offset = 2; /* with layer 1 header */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	173 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	174 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	175 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	176 l2_offset = 0; /* without layer 1 header */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	177 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	178
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	179 #define RR_SHORT_PD_HANDLING
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	180 #if defined(RR_SHORT_PD_HANDLING)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	181 /* Handling of unacknowledged UI frames with format type Bter */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	182 #if defined(RR_SHORT_PD_DETECT_KNOWN_MSG_ONLY) /* detection of known messages only */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	183 cause = 0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	184 switch (frame[l2_offset])
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	185 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	186 case RR_SHORT_PD_SI10:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	187 case RR_SHORT_PD_MEAS_INFO:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	188 if (channel_type EQ L2_CHANNEL_SACCH)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	189 cause = 1;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	190 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	191 case RR_SHORT_PD_NOTI_FACCH:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	192 if ((channel_type EQ L2_CHANNEL_FACCH_F) OR
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	193 (channel_type EQ L2_CHANNEL_FACCH_H))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	194 cause = 1;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	195 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	196 case RR_SHORT_PD_UPLINK_FREE:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	197 cause = 1;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	198 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	199 default:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	200 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	201 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	202 if (cause)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	203 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	204 drr_dl_short_unitdata_ind (channel_type, error_flag, frame,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	205 &frame[l2_offset],
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	206 (channel_type EQ L2_CHANNEL_SACCH) ? DL_N201_SACCH_Bter : DL_N201_DCCH_Bter, fn);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	207 return 0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	208 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	209 #else /* detection of all possible messages with short L2 header and format Bter */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	210 TRACE_EVENT_WIN_P4 ("detection of format Bter: %02x&%02x=%02x ?= %02x",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	211 frame[l2_offset], BTER_FORMAT_MASK, GET_BTER_FORMAT (&frame[l2_offset]), SHORT_L2_HEADER_TYPE_1);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	212 if ((GET_BTER_FORMAT (&frame[l2_offset]) EQ SHORT_L2_HEADER_TYPE_1))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	213 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	214 drr_dl_short_unitdata_ind (channel_type, error_flag, frame,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	215 &frame[l2_offset],
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	216 (UBYTE)((channel_type EQ L2_CHANNEL_SACCH) ? DL_N201_SACCH_Bter : DL_N201_DCCH_Bter), fn);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	217 return 0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	218 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	219 #endif /* kind of Bter detection */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	220 #endif /* RR_SHORT_PD_HANDLING */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	221
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	222 /* check frame */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	223
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	224 if (error_flag EQ VALID_BLOCK)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	225 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	226 frame_sapi = GET_SAPI (frame+l2_offset);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	227 if ((frame_sapi NEQ PS_SAPI_0) AND (frame_sapi NEQ PS_SAPI_3))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	228 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	229 TRACE_EVENT_WIN_P1 ("downlink() returns -1 (wrong SAPI=%u)", frame_sapi);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	230 return -1;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	231 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	232
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	233 cause = frame_validation (channel_type, frame+l2_offset);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	234 if (cause >= 0)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	235 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	236 TRACE_FUNCTION ("frame validation failed!");
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	237 if (invalid EQ 0)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	238 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	239 TRACE_ERROR ("invalid frame");
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	240 invalid = 1; /* only one message per succession */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	241 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	242 mdl_error_ind ((UBYTE)cause, channel_type, frame_sapi);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	243 return 0;/* ETSI GSM 04.06 Annex G.2 - G.4 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	244 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	245 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	246 invalid = 0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	247
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	248 #if defined(DL_2TO1) \|\| defined(_SIMULATION_)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	249 /* Handling of unacknowledged UI frames on SACCH with SAPI=0 (not format type Bter) */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	250 if ((channel_type EQ L2_CHANNEL_SACCH) AND
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	251 (frame_sapi EQ PS_SAPI_0) AND
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	252 (GET_FORMAT_TYPE(frame+l2_offset) EQ U_FORMAT) AND
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	253 (GET_U_TYPE(frame+l2_offset) EQ UI_FRAME) )
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	254 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	255 drr_dl_unitdata_ind (error_flag, frame, frame+l2_offset+3,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	256 (UBYTE)(GET_LENGTH_INDICATOR (frame+l2_offset)), fn);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	257 return 0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	258 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	259 #endif /* DL_2TO1 \|\| _SIMULATION_ */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	260 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	261 #if defined(DL_2TO1)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	262 else if (channel_type EQ L2_CHANNEL_SACCH)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	263 { /*
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	264 * Indicate invalid SACCH frame for decrement of radio link timeout counter.
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	265 * The invalid frame possible contains invalid headers, use length 0.
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	266 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	267 drr_dl_unitdata_ind (error_flag, frame, frame+l2_offset+3, 0, fn);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	268 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	269 #endif /* DL_2TO1 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	270
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	271 if (error_flag NEQ VALID_BLOCK)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	272 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	273 TRACE_EVENT_WIN ("invalid frame->stop download handling");
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	274 return 0; /* no further handling */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	275 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	276
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	277 memset (&cch_i, 0, sizeof (T_CCH_INTERN));
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	278 switch (channel_type)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	279 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	280 case L2_CHANNEL_SDCCH:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	281 if (frame_sapi EQ PS_SAPI_3)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	282 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	283 channel = C_DCCH3;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	284 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	285 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	286 /lint -fallthrough/
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	287 case L2_CHANNEL_FACCH_F:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	288 case L2_CHANNEL_FACCH_H:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	289 if (frame_sapi EQ PS_SAPI_0)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	290 channel = C_DCCH0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	291 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	292 case L2_CHANNEL_SACCH:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	293 if (frame_sapi EQ PS_SAPI_3)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	294 { /* SACCH with SAPI=3 only supported with associated TCH (FACCH) */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	295 if ((dl_data->cch[C_DCCH0].ch_type EQ L2_CHANNEL_FACCH_H) OR
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	296 (dl_data->cch[C_DCCH0].ch_type EQ L2_CHANNEL_FACCH_F))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	297 channel = C_DCCH3;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	298 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	299 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	300 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	301 TRACE_EVENT_WIN ("No handling of SACCH with SAPI=0 here!");
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	302 /*
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	303 * The SACCH with SAPI=0 is handled some lines before for DL_2TO1 and
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	304 * simulation. Handling of frames other than UI frames is not supported.
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	305 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	306 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	307 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	308 default:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	309 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	310 }/* endswitch channel_type */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	311
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	312 if (channel EQ NOT_PRESENT_8BIT)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	313 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	314 TRACE_EVENT_WIN ("downlink() returns -3");
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	315 return -3;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	316 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	317 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	318 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	319
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	320 #if defined(DELAYED_SABM)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	321 /* ignore downlinked frames before delayed SABM was sent */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	322 if ((channel EQ C_DCCH0) AND
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	323 (dl_data->dcch0_sabm_flag NEQ NOT_PRESENT_8BIT))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	324 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	325 DL_OFFLINE_TRACE (TRACE_DL_EVENT, channel, channel_type, "DL:pend.SABM->ignore");
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	326 return 0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	327 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	328 #endif /* DELAYED_SABM */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	329
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	330 cch_i.channel = channel;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	331 cch_i.sapi = frame_sapi;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	332 #if defined(_SIMULATION_)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	333 if (channel_type EQ L2_CHANNEL_SACCH)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	334 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	335 TRACE_EVENT_WIN_P1 ("SACCH: set SAPI=%u set during downlink", frame_sapi);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	336 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	337 #endif /* _SIMULATION_ */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	338
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	339 cch_i.state = channel_state = dl_data->state[channel];
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	340 cch_i.pcch = &dl_data->cch[channel];
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	341 /*
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	342 * The channel type pcch->ch_type is overwritten as input to the downlink
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	343 * sub functions. In case of DCCH0 this is temporary only and the channel
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	344 * type have to be re-assigned with the value of dl_data->dcch0_ch_type.
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	345 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	346 cch_i.pcch->ch_type = channel_type;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	347 if (cch_i.pcch->vtx NEQ EMPTY_CMD)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	348 { /* save bit for the case of unsolicited frames */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	349 cch_i.pf_bit_flag = cch_i.pcch->f_bit;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	350 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	351 TRACE_EVENT_WIN_P4 ("downlink() in:%s SAPI=%u st=%u vtx=%s",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	352 CH_TYPE_NAME[channel_type], frame_sapi, channel_state,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	353 VTX_NAME[cch_i.pcch->vtx]);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	354 TRACE_EVENT_WIN_P9 ("vr=%u vs=%u va=%u rc=%u contres=%u reje=%u ackp=%u %c=%u",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	355 cch_i.pcch->vr, cch_i.pcch->vs, cch_i.pcch->va, cch_i.pcch->rc,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	356 cch_i.pcch->contention_resolution, cch_i.pcch->reject_exception,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	357 cch_i.pcch->acknowledge_pending,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	358 cch_i.pcch->time_flag ? 'T' : 't', cch_i.pcch->T200_counter);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	359 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	360
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	361 switch (channel_state)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	362 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	363 case STATE_DISABLED:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	364 case STATE_IDLE_DL:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	365 ret = downlink_idle (&cch_i, frame+l2_offset);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	366 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	367 case STATE_CONTENTION_RESOLUTION:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	368 ret = downlink_contention_resolution (&cch_i, frame+l2_offset);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	369 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	370 case STATE_MULTIPLE_FRAME_ESTABLISHED:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	371 ret = downlink_mfe (&cch_i, frame+l2_offset);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	372 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	373 case STATE_TIMER_RECOVERY:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	374 ret = downlink_timer_recovery (&cch_i, frame+l2_offset);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	375 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	376 case STATE_AWAITING_RELEASE:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	377 ret = downlink_awaiting_release (&cch_i, frame+l2_offset);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	378 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	379 }/* endswitch channel_state */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	380 if (channel EQ C_DCCH0)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	381 { /*
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	382 * Reconstruct the temporary overwritten pcch->ch_type with the value
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	383 * of dl_data->dcch0_ch_type.
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	384 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	385 cch_i.pcch->ch_type = dl_data->dcch0_ch_type;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	386 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	387
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	388
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	389 TRACE_EVENT_WIN_P5 ("%s SAPI=%u vtx=%s (%s#%u)", CH_TYPE_NAME[cch_i.pcch->ch_type], cch_i.sapi,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	390 VTX_NAME[cch_i.pcch->vtx],
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	391 __FILE10__, __LINE__);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	392 if (ret NEQ 0)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	393 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	394 TRACE_EVENT_WIN_P1 ("downlink() returns %d", ret);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	395 return ret;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	396 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	397
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	398 /* transfer states and flags to dl_data */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	399 dl_data->cch[channel].f_bit_flag = dl_data->cch[channel].f_bit = cch_i.pf_bit_flag;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	400 if (cch_i.T200_Start)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	401 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	402 dl_data->cch[channel].T200_counter = T200_STOPPED;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	403 dl_data->cch[channel].time_flag = TRUE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	404 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	405 else if (cch_i.T200_Stop)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	406 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	407 dl_data->cch[channel].T200_counter = T200_STOPPED;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	408 dl_data->cch[channel].time_flag = FALSE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	409 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	410
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	411 if (cch_i.dl_data_ind)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	412 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	413 com_data_ind(channel_type, frame_sapi, fn);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	414 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	415
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	416 if (channel_state NEQ cch_i.state)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	417 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	418 set_channel_state (
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	419 (UBYTE)((frame_sapi EQ PS_SAPI_0) ? C_DCCH0 : C_DCCH3), cch_i.state);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	420 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	421
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	422 if (cch_i.mdl_error_ind)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	423 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	424 mdl_error_ind ( cch_i.mdl_error_ind, channel_type, frame_sapi);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	425 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	426
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	427
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	428
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	429 TRACE_EVENT_WIN_P4 ("downlink() out:%s SAPI=%u st=%u vtx=%s",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	430 CH_TYPE_NAME[channel_type], cch_i.sapi, cch_i.state,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	431 VTX_NAME[cch_i.pcch->vtx]);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	432 TRACE_EVENT_WIN_P9 ("vr=%u vs=%u va=%u rc=%u contres=%u reje=%u ackp=%u %c=%u",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	433 cch_i.pcch->vr, cch_i.pcch->vs, cch_i.pcch->va, cch_i.pcch->rc,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	434 cch_i.pcch->contention_resolution, cch_i.pcch->reject_exception,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	435 cch_i.pcch->acknowledge_pending,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	436 cch_i.pcch->time_flag ? 'T' : 't', cch_i.pcch->T200_counter);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	437 TRACE_EVENT_WIN_P4 ("T200=%s %s %s %s",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	438 cch_i.T200_Start ? "Start" : cch_i.T200_Stop ? "Stop" : "...",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	439 cch_i.pf_bit_flag ? "P/F" : "",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	440 cch_i.dl_data_ind ? "DATA_IND" : "", cch_i.mdl_error_ind ? "ERROR_IND" : "");
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	441 TRACE_EVENT_WIN_P1 ("downlink() returns %d", ret);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	442
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	443 return ret;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	444 }/* endfunc downlink */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	445
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	446 LOCAL int frame_validation (UBYTE channel_type, UBYTE* frame)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	447 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	448 UBYTE frame_length;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	449 BOOL frame_m_bit;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	450 UBYTE N201;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	451
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	452 if (!GET_EA (frame))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	453 return FRAME_NOT_IMPLEMENTED; /* ETSI GSM 04.06 Annex G.2.3 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	454
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	455 if (!GET_EL (frame))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	456 return FRAME_NOT_IMPLEMENTED; /* ETSI GSM 04.06 Annex G.4.1 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	457
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	458 frame_length = GET_LENGTH_INDICATOR (frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	459 frame_m_bit = GET_M_BIT (frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	460
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	461 /* get the maximal number of octets */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	462 switch (channel_type)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	463 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	464 case L2_CHANNEL_SDCCH:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	465 N201 = N201_SDCCH;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	466 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	467 case L2_CHANNEL_SACCH:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	468 N201 = N201_SACCH;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	469 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	470 default:/* CH_TYPE_FACCH_FR, L2_CHANNEL_FACCH_H */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	471 N201 = N201_FACCH;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	472 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	473 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	474
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	475 switch (GET_FORMAT_TYPE (frame))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	476 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	477 case I_FORMAT: /* I format */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	478 case I1_FORMAT:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	479 if ((frame_length > N201) OR (frame_length EQ 0))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	480 return I_FRAME_WITH_INCORRECT_LENGTH; /* ETSI GSM 04.06 Annex G.4.2 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	481 if ((frame_length < N201) AND (frame_m_bit EQ 1))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	482 return I_FRAME_WITH_INCORRECT_USE_OF_M_BIT; /* ETSI GSM 04.06 Annex G.4.2 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	483 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	484 case S_FORMAT: /* S format */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	485 if (frame_length OR frame_m_bit)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	486 return S_FRAME_WITH_INCORRECT_PARAMETERS; /* ETSI GSM 04.06 Annex G.4.3 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	487 if ((frame[1] & 0x0f) EQ 0x0d)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	488 return FRAME_NOT_IMPLEMENTED; /* ETSI GSM 04.06 Annex G.3.1 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	489 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	490 case U_FORMAT: /* U format */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	491 switch (GET_U_TYPE (frame))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	492 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	493 case DM_FRAME:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	494 case DISC_FRAME:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	495 if (frame_length OR frame_m_bit)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	496 return U_FRAME_WITH_INCORRECT_PARAMETERS; /* ETSI GSM 04.06 Annex G.4.4 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	497 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	498 case UA_FRAME:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	499 case SABM_FRAME:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	500 case UI_FRAME:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	501 if ((frame_length > N201) OR (frame_m_bit))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	502 return U_FRAME_WITH_INCORRECT_PARAMETERS; /* ETSI GSM 04.06 Annex G.4.5 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	503 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	504 default:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	505 return FRAME_NOT_IMPLEMENTED; /* ETSI GSM 04.06 Annex G.3.2 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	506 /break;/
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	507 }/* endswitch U frame_type */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	508 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	509 }/* endswitch frame_format */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	510
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	511 /*
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	512 * ETSI GSM 04.06 Annex G.2.1, G.2.2 will be check in the following functions
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	513 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	514
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	515 return -1; /* frame is valid */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	516 }/* endfunc frame_validation */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	517
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	518 static int downlink_idle( T_CCH_INTERN* pcch_i, UBYTE *frame)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	519 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	520 /*
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	521 * According to 3GPP TS 04.05, 5.4.5 Idle state:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	522 * While in the idle state:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	523 * - the receipt of a DISC command shall result in the transmission of a
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	524 * DM response with the F bit set to the value of the received P bit;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	525 * - the receipt of an I frame or supervisory frame with the P bit set to "1"
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	526 * shall result in the transmission of a DM response with the F bit set to
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	527 * "1" (as defined in subclause 5.2.2);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	528 * - the content of any received I frame shall be discarded;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	529 * - on receipt of an SABM command, the procedures defined in subclause 5.4.1
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	530 * shall be followed;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	531 * - on receipt of UI commands, the procedures defined in subclause 5.3 shall
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	532 * be followed;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	533 * - all other frame types shall be discarded.
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	534 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	535 T_CCH* pcch;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	536
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	537 CHECK_PCCH_Ir();
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	538 pcch = pcch_i->pcch;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	539
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	540 TRACE_FUNCTION ("downlink_idle()");
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	541
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	542 switch (GET_FORMAT_TYPE (frame))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	543 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	544 case S_FORMAT: /* S frame */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	545 if (GET_S_TYPE (frame) NEQ RR_CMD)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	546 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	547 /lint -fallthrough/
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	548 case I_FORMAT: /* I frame */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	549 case I1_FORMAT:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	550 if (GET_P_BIT (frame))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	551 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	552 pcch->vtx = DM_CMD;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	553 pcch_i->pf_bit_flag = TRUE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	554 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	555 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	556 case U_FORMAT: /* U frame */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	557 if (GET_CR (frame))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	558 { /* command */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	559 switch (GET_U_TYPE (frame))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	560 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	561 case SABM_FRAME:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	562 if (!GET_LENGTH_INDICATOR (frame) AND pcch_i->sapi EQ PS_SAPI_3)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	563 { /*
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	564 * Mobile Terminated Establishment, but only for SAPI=3!
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	565 *
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	566 * According to 3GPP TS 04.06, 5.4.1 Establishment of multiple frame
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	567 * operation, 5.4.1.1 General, Note:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	568 * For SAPI 0 the data link is always established by the MS.
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	569 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	570 com_restore_queue ( pcch_i->sapi, NULL);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	571 pcch->vtx = UA_CMD;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	572 pcch_i->pf_bit_flag = GET_P_BIT (frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	573 pcch->va = 0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	574 pcch->vr = 0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	575 pcch->vs = 0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	576 pcch->rc = 0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	577 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	578 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	579 case DISC_FRAME:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	580 pcch->vtx = DM_CMD;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	581 pcch_i->pf_bit_flag = GET_P_BIT (frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	582 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	583 case UI_FRAME:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	584 /* drr_dl_unitdata_ind() was called in the main downlink function */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	585 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	586 default:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	587 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	588 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	589 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	590 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	591 default:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	592 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	593 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	594
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	595 return 0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	596 }/* endfunc downlink_idle */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	597
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	598 static int downlink_contention_resolution(T_CCH_INTERN* pcch_i, UBYTE *frame)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	599 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	600 GET_INSTANCE_DATA;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	601 UBYTE frame_type;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	602 UBYTE frame_format;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	603 UBYTE frame_cr;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	604
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	605 UBYTE establish_cnf = FALSE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	606 UBYTE release_ind = FALSE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	607 UBYTE release_ind_cs = NOT_PRESENT_8BIT;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	608
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	609 T_CCH* pcch;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	610
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	611 CHECK_PCCH_Ir();
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	612 pcch = pcch_i->pcch;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	613
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	614 TRACE_FUNCTION ("downlink_contention_resolution()");
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	615
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	616 frame_format = GET_FORMAT_TYPE (frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	617 if (frame_format EQ U_FORMAT)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	618 { /* U frame */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	619 frame_cr = GET_CR (frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	620 frame_type = GET_U_TYPE (frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	621 if (frame_cr)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	622 { /* command */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	623 switch (frame_type)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	624 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	625 case SABM_FRAME:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	626 if (pcch_i->sapi EQ PS_SAPI_3)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	627 { /* DCCH3 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	628 /*
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	629 * According to 3GPP TS 04.06, 5.4.6.1:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	630 * SAPI = 3, Collision of unnumbered commands and responses.
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	631 * Collision situations (Identical transmitted and received commands)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	632 * shall be resolved in the following way: If the transmitted and
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	633 * received unnumbered commands (SABM or DISC) are the same, the data
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	634 * link layer entities shall send the UA response at the earliest
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	635 * possible opportunity. The indicated state shall be entered after
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	636 * receiving the UA response. The data link layer entities shall each
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	637 * notify its respective layer 3 entity by means of the appropriate
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	638 * confirm primitive, i.e. DL-ESTABLISH-CONFIRM or DL-RELEASE-CONFIRM.
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	639 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	640 if (!GET_LENGTH_INDICATOR (frame))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	641 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	642 com_clear_queue (PS_SAPI_3);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	643 /* establish_cnf = TRUE; cnf will be sent at uplink opportunity */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	644
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	645 pcch_i->pf_bit_flag = GET_P_BIT (frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	646 pcch->vtx = UA_CMD;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	647 pcch->va = 0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	648 pcch->vr = 0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	649 pcch->vs = 0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	650 pcch->rc = 0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	651 pcch_i->T200_Stop = TRUE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	652 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	653 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	654 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	655 /* no contention resolution procedure with SAPI=3! */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	656 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	657 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	658 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	659 {/* DCCH0 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	660 /*
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	661 * According to 3GPP TS 04.06, 5.4.1.1 General:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	662 * NOTE: SAPI=0 the data link is always established by the MS!
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	663 *
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	664 * According to 3GPP TS 04.06, 5.4.1.4 Contention resolution
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	665 * establishment procedure:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	666 * All frames other than unnumbered frame formats received for the
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	667 * SAPI in use during the establishment procedures shall be ignored.
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	668 * The reception of unnumbered frames other than UA is treated as
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	669 * specified for the normal establishment case.
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	670 * NOTE 4: In fact, there are no foreseen cases in which the network
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	671 * will send SABM, DISC or DM, but for sake of completeness
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	672 * these occurrences are specified and must be treated.
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	673 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	674 establish_cnf = TRUE;/* Treated as normal establishment case */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	675 pcch_i->pf_bit_flag = GET_P_BIT (frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	676 pcch->vtx = UA_CMD;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	677 pcch->va = 0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	678 pcch->vr = 0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	679 pcch->vs = 0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	680 pcch->rc = 0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	681 pcch_i->T200_Stop = TRUE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	682 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	683 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	684
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	685 case DISC_FRAME:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	686 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	687 release_ind = TRUE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	688
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	689 pcch_i->pf_bit_flag = GET_P_BIT (frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	690 pcch->vtx = DM_CMD;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	691 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	692 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	693
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	694 default:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	695 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	696 }/* endswitch command frame_type */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	697 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	698 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	699 { /* response */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	700 switch (frame_type)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	701 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	702 case DM_FRAME:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	703 /*
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	704 * PATCH LE 14.09.99
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	705 * Ignore DM(F=0) frames
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	706 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	707 if (GET_P_BIT (frame))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	708 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	709 release_ind = TRUE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	710 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	711 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	712
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	713 case UA_FRAME:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	714 if (pcch_i->sapi EQ PS_SAPI_0)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	715 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	716 if (pcch->contention_resolution)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	717 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	718 if (com_compare_L3_msg (dl_data->dcch0_queue.switch_buffer, frame))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	719 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	720 establish_cnf = TRUE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	721 COM_FREE_QUEUE_BUFFER(&dl_data->dcch0_queue, INDEX_SWITCH_BUFFER);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	722 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	723 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	724 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	725 release_ind = TRUE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	726 release_ind_cs = CAUSE_DL_INFO_FIELD_MISMATCH;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	727 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	728 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	729 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	730 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	731 if (!GET_LENGTH_INDICATOR (frame))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	732 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	733 establish_cnf = TRUE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	734 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	735 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	736 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	737 release_ind = TRUE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	738 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	739 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	740 }/* endif PS_SAPI_0 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	741 else if (pcch_i->sapi EQ PS_SAPI_3)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	742 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	743 if (!GET_LENGTH_INDICATOR (frame) OR (pcch->ch_type EQ L2_CHANNEL_SACCH))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	744 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	745 establish_cnf = TRUE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	746 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	747 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	748 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	749 release_ind = TRUE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	750 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	751
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	752 }/* endif PS_SAPI_3 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	753
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	754 if (establish_cnf AND (pcch_i->sapi EQ PS_SAPI_0))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	755 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	756 dcch3_enable(pcch->ch_type);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	757 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	758
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	759 break;/* endbreak UA_FRAME */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	760
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	761 default:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	762 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	763 }/* endswitch response frame_type */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	764 }/* endifelse command/response */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	765
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	766 if (establish_cnf)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	767 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	768 drr_dl_establish_cnf (pcch->ch_type, pcch_i->sapi);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	769 pcch->va = 0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	770 pcch->vr = 0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	771 pcch->vs = 0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	772 pcch_i->T200_Stop = TRUE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	773 pcch_i->state = STATE_MULTIPLE_FRAME_ESTABLISHED;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	774 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	775 else if (release_ind)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	776 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	777 if (pcch_i->sapi EQ PS_SAPI_0)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	778 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	779 if (pcch->contention_resolution)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	780 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	781 pcch->contention_resolution = FALSE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	782 COM_FREE_QUEUE_BUFFER(&dl_data->dcch0_queue, INDEX_SWITCH_BUFFER);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	783 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	784 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	785
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	786 drr_dl_release_ind (pcch->ch_type, pcch_i->sapi, release_ind_cs, FALSE);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	787 pcch_i->T200_Stop = TRUE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	788 pcch_i->state = STATE_IDLE_DL;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	789 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	790
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	791 }/* endif frame_format == 3 (only unnumbered frames) */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	792
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	793 return 0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	794 }/* endfunc downlink_contention_resolution */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	795
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	796 static int downlink_mfe(T_CCH_INTERN* pcch_i, UBYTE *frame)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	797 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	798 TRACE_EVENT_WIN ("downlink_mfe()");
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	799
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	800 switch (GET_FORMAT_TYPE (frame))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	801 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	802 case I_FORMAT:/* I frame */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	803 case I1_FORMAT:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	804 downlink_mfe_information (pcch_i, frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	805 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	806 case S_FORMAT: /* S frame */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	807 downlink_mfe_supervisory (pcch_i, frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	808 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	809 case U_FORMAT: /* U frame */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	810 downlink_mfe_tr_unnumbered (pcch_i, frame,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	811 STATE_MULTIPLE_FRAME_ESTABLISHED);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	812 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	813 default:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	814 TRACE_EVENT_WIN ("invalid/unknown frame");
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	815 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	816 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	817
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	818 return 0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	819 }/* endfunc downlink_mfe */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	820
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	821 static void downlink_mfe_supervisory (T_CCH_INTERN* pcch_i, UBYTE *frame)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	822 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	823 UBYTE frame_cr;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	824 UBYTE frame_pollbit;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	825 UBYTE frame_nr;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	826 UBYTE frame_type;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	827 T_CCH* pcch;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	828
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	829 CHECK_PCCH_I();
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	830 pcch = pcch_i->pcch;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	831
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	832 TRACE_EVENT_WIN ("downlink_mfe_supervisory()");
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	833
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	834 frame_type = GET_S_TYPE (frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	835
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	836 /*
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	837 * Ignore RNR frame without notification
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	838 * (ETSI GSM 04.06, section 6.
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	839 * "Special protocol operation on SAPI=0 and SAPI=3", page 53)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	840 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	841 if (frame_type EQ RNR_FRAME)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	842 return;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	843
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	844 frame_cr = GET_CR (frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	845 frame_pollbit = GET_P_BIT (frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	846 frame_nr = GET_RECEIVE_NUMBER (frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	847
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	848 /* in accordance with CCITT Q.921 figure B.7 (sheet 5 to 7 of 10) */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	849 if (frame_pollbit)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	850 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	851 if (frame_cr)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	852 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	853 enquiry_response (pcch_i, frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	854 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	855 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	856 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	857 mdl_error_ind (UNSOLICITED_SUPERVISORY_RESPONSE, pcch->ch_type, pcch_i->sapi);/* 3GPP TS 04.06, 5.4.2.2 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	858 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	859 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	860
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	861 if (com_check_nr (pcch->va, pcch->vs, frame_nr))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	862 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	863 /*
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	864 * N(R) check is successfull
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	865 * in accordance with CCITT Q.921 figure B.7 (sheet 6 and 7 of 10)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	866 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	867
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	868 switch (frame_type)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	869 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	870 case RR_FRAME:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	871 if (frame_nr EQ pcch->vs)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	872 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	873 /* T200 handling under ETSI GSM 04.06 section 5.5.3.1 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	874 if (((8 + frame_nr - pcch->va ) & 7) > 0 /frame_nr > pcch->va/)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	875 pcch_i->T200_Stop = TRUE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	876
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	877 pcch->va = frame_nr;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	878
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	879 free_sending_buffer (pcch->ch_type, pcch_i->sapi);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	880 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	881 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	882 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	883 if (frame_nr NEQ pcch->va)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	884 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	885 pcch->va = frame_nr;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	886 pcch_i->T200_Start = TRUE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	887 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	888 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	889 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	890 case REJ_FRAME:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	891 /*
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	892 * in accordance with ETSI GSM 04.06; chapter 5.5.4.1 i)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	893 *
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	894 * clear existing peer receiver busy condition (not applicable in GSM)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	895 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	896
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	897 /* reset timer T200 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	898 pcch_i->T200_Stop = TRUE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	899 /*
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	900 * If REJ command with P bit set to 1,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	901 * transmit an appropiate supervisory response frame with F bit set to 1
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	902 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	903 if (frame_pollbit AND frame_cr)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	904 enquiry_response (pcch_i, frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	905 /* transmit the corresponding I frame asap */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	906 invoke_retransmission (pcch_i, frame_nr);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	907
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	908
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	909 /*
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	910 * set its send state variable V(S) and its acknowledge state
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	911 * variable V(A) to the value of the N(R) contained in the REJ frame
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	912 * control field
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	913 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	914 pcch->vs = pcch->va = frame_nr;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	915
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	916 /*
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	917 * if it was an REJ response frame with the F bit set to 1, notify
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	918 * a protocol violation to layer 3 (cause=unsolicited supervisory frame)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	919 *
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	920 * fulfilled at the beginning of this function!
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	921 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	922 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	923 case RNR_FRAME:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	924 /*
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	925 * Ignore frame without notification
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	926 * (ETSI GSM 04.06, section 6.
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	927 * "Special protocol operation on SAPI=0 and SAPI=3", page 53)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	928 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	929 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	930 default:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	931 TRACE_EVENT_WIN ("invalid S frame"); /* GSM 04.06 Annex G.3.1 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	932 mdl_error_ind (FRAME_NOT_IMPLEMENTED, pcch->ch_type, pcch_i->sapi);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	933 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	934 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	935
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	936 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	937 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	938 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	939 nr_error_recovery (pcch_i, frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	940 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	941 }/* endfunc downlink_mfe_supervisory */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	942
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	943
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	944 static void downlink_mfe_sabm (T_CCH_INTERN* pcch_i, UBYTE *frame)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	945 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	946 TRACE_EVENT_WIN ("downlink_mfe_sabm()");
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	947
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	948 if (!GET_LENGTH_INDICATOR (frame))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	949 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	950 T_CCH* pcch;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	951
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	952 CHECK_PCCH_I();
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	953 pcch = pcch_i->pcch;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	954
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	955 if (pcch_i->sapi EQ PS_SAPI_0)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	956 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	957 /* SACCH0: only unacknowledge mode available -> ignore SABM */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	958 if (pcch->ch_type EQ L2_CHANNEL_SACCH)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	959 return;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	960 /*
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	961 * SDCCH0, FACCH: can not be a normal establishment procedure
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	962 * because for SAPI=0 the data link is always established by the MS.
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	963 * Therefore only the V state variables and any exception states
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	964 * will be reseted.
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	965 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	966 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	967 else if (pcch_i->sapi EQ PS_SAPI_3)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	968 { /*
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	969 * SDCCH3, SACCH: normal establishment procedure,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	970 * might be a re-establishment according to GSM 04.06, 5.4.1.2
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	971 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	972 com_clear_queue (PS_SAPI_3);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	973 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	974
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	975 /* respond with an unnumbered acknowledgement */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	976 pcch->vtx = UA_CMD;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	977 /* with the F bit set to the same value as the P bit */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	978 pcch_i->pf_bit_flag = GET_P_BIT (frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	979 /* reset timer T200 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	980 pcch_i->T200_Stop = TRUE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	981 /* reset all state variables (internal sequence counter) */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	982 pcch->va = 0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	983 pcch->vr = 0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	984 pcch->vs = 0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	985 /* reset the retransmission counter */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	986 pcch->rc = 0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	987 /* clear all exception conditions */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	988 pcch->reject_exception = FALSE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	989 pcch->acknowledge_pending = FALSE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	990 /* enter the multiple-frame-established state */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	991 pcch_i->state = STATE_MULTIPLE_FRAME_ESTABLISHED;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	992 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	993 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	994 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	995 /*
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	996 * frame_length NEQ 0 is only possible in contention resolution establishment
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	997 * initiated by mobile!
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	998 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	999 mdl_error_ind (U_FRAME_WITH_INCORRECT_PARAMETERS, pcch_i->pcch->ch_type, pcch_i->sapi);/* according to GSM 04.06, 5.4.2.1 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1000 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1001 }/* endfunc mfe_sabm */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1002
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1003 static void downlink_mfe_dm (T_CCH_INTERN* pcch_i, UBYTE *frame)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1004 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1005 T_CCH* pcch;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1006
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1007 CHECK_PCCH_I();
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1008 pcch = pcch_i->pcch;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1009
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1010 if (!GET_P_BIT (frame))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1011 { /* release after unsolicited DM response during connection */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1012
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1013 /* New! Called now by mdl_error_ind() from caller of this function
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1014 * drr_dl_release_ind (dl_data, pcch->ch_type, pcch_i->sapi, NOT_PRESENT_8BIT);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1015 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1016
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1017 if ((pcch->ch_type EQ L2_CHANNEL_SDCCH) AND (pcch_i->sapi EQ PS_SAPI_3))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1018 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1019 pcch_i->T200_Stop = TRUE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1020 com_clear_queue (PS_SAPI_3);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1021 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1022 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1023 }/* endfunc mfe_dm */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1024
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1025 static void downlink_mfe_tr_unnumbered (T_CCH_INTERN* pcch_i,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1026 UBYTE *frame, UBYTE state)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1027 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1028 UBYTE frame_type;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1029 T_CCH* pcch;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1030
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1031 TRACE_EVENT_WIN ("downlink_mfe_tr_unnumbered()");
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1032
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1033 CHECK_PCCH_I();
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1034 pcch = pcch_i->pcch;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1035
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1036 frame_type = GET_U_TYPE (frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1037 if (GET_CR (frame))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1038 { /* command */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1039 switch (frame_type)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1040 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1041 case SABM_FRAME:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1042 downlink_mfe_sabm (pcch_i, frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1043 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1044 case UI_FRAME:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1045 /* drr_dl_unitdata_ind() was called in the main downlink function */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1046 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1047 case DISC_FRAME:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1048 pcch->vtx = UA_CMD;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1049 pcch_i->T200_Stop = TRUE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1050 pcch_i->state = STATE_AWAITING_RELEASE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1051 #if !defined(LATE_LEAVING_DEDICATED)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1052 com_leave_dedicated (pcch->ch_type);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1053 #endif /* LATE_LEAVING_DEDICATED */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1054 if (pcch_i->sapi EQ PS_SAPI_0)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1055 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1056 dcch3_enable(pcch->ch_type);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1057 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1058 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1059 default:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1060 /* GSM 04.06 Annex G.2.2, G.3.2 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1061 TRACE_EVENT_WIN_P1 ("invalid command U frame (%02x)", frame_type);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1062 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1063 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1064 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1065 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1066 { /* response */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1067 switch (frame_type)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1068 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1069 case DM_FRAME:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1070 /* fulfill the actions required by 3GPP TS 4.06 section 5.4.2.2, table 7 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1071 if (!GET_P_BIT(frame))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1072 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1073 mdl_error_ind (UNSOLICITED_DM_RESPONSE_ABNORMAL_REL, pcch->ch_type, pcch_i->sapi);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1074 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1075 else if (state EQ STATE_MULTIPLE_FRAME_ESTABLISHED)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1076 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1077 mdl_error_ind (UNSOLICITED_DM_RESPONSE, pcch->ch_type, pcch_i->sapi);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1078 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1079
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1080 downlink_mfe_dm (pcch_i, frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1081 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1082 case UA_FRAME:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1083 mdl_error_ind (UNSOLICITED_UA_RESPONSE, pcch->ch_type, pcch_i->sapi);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1084 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1085 default:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1086 /* GSM 04.06 Annex G.2.2, G.3.2 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1087 TRACE_EVENT_WIN_P1 ("invalid response U frame (%02x)", frame_type);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1088 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1089 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1090 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1091 }/* endfunc downlink_mfe_unnumbered */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1092
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1093 static void downlink_i_frame (T_CCH_INTERN* pcch_i, UBYTE *frame)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1094 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1095 /*
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1096 * in accordance with CCITT Q.921 figure B.7 (sheet 8 of 10)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1097 * in accordance with CCITT Q.921 figure B.8 (sheet 7 of 9)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1098 * according to GSM 04.06 (same as CCITT Q.921!)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1099 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1100
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1101 UBYTE frame_pollbit;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1102 T_CCH* pcch;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1103
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1104 CHECK_PCCH_I();
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1105 pcch = pcch_i->pcch;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1106
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1107 frame_pollbit = GET_P_BIT (frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1108
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1109 if (GET_SEND_NUMBER (frame) EQ pcch->vr)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1110 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1111 pcch->vr++;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1112 pcch->vr &= 7;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1113 pcch->reject_exception = FALSE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1114 concatenate (pcch->ch_type, pcch_i->sapi, frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1115 if (!GET_M_BIT (frame))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1116 pcch_i->dl_data_ind = TRUE;/* send DL-DATA indication */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1117
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1118 if (frame_pollbit)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1119 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1120 pcch_i->pf_bit_flag = TRUE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1121 pcch->vtx = RR_RSP;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1122 pcch->acknowledge_pending = FALSE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1123 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1124 else if (pcch->acknowledge_pending EQ FALSE)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1125 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1126 #if defined(IFRAME_AS_RR)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1127 pcch->vtx = RR_CMD;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1128 #else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1129 pcch->vtx = RR_RSP;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1130 #endif /* IFRAME_AS_RR */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1131 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1132 }/* endif ns == vr */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1133 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1134 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1135 if (pcch->reject_exception)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1136 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1137 if (frame_pollbit)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1138 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1139 pcch_i->pf_bit_flag = TRUE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1140 /pcch->vtx = RR_RSP; /
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1141 pcch->vtx = REJ_CMD;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1142 pcch->acknowledge_pending = FALSE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1143 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1144 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1145 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1146 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1147 pcch->reject_exception = TRUE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1148 pcch_i->pf_bit_flag = frame_pollbit;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1149 pcch->vtx = REJ_CMD;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1150 pcch->acknowledge_pending = FALSE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1151 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1152 if (pcch->vtx EQ REJ_CMD)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1153 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1154 TRACE_EVENT_WIN_P1 ("->REJ_CMD pf=%u", pcch_i->pf_bit_flag);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1155 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1156 }/* endelse ns != vr */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1157 }/* endfunc downlink_i_frame */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1158
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1159 static void downlink_mfe_information ( T_CCH_INTERN* pcch_i, UBYTE *frame)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1160 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1161 UBYTE frame_nr;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1162 T_CCH* pcch;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1163
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1164 CHECK_PCCH_I();
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1165 pcch = pcch_i->pcch;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1166
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1167 TRACE_EVENT_WIN ("downlink_mfe_information()");
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1168
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1169 if (!GET_CR (frame))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1170 { /* GSM 04.06 Annex G.2.2 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1171 TRACE_EVENT_WIN ("invalid I response (C=0)");
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1172 return;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1173 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1174
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1175 frame_nr = GET_RECEIVE_NUMBER (frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1176
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1177 /* in accordance with CCITT Q.921 figure B.7 (sheet 8 of 10) */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1178 downlink_i_frame (pcch_i, frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1179
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1180 /* in accordance with CCITT Q.921 figure B.7 (sheet 9 of 10) */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1181 if (com_check_nr (pcch->va, pcch->vs, frame_nr))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1182 { /* N(R) check is successfull */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1183 if (frame_nr EQ pcch->vs)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1184 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1185
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1186 /* T200 handling under ETSI GSM 04.06 section 5.5.3.1 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1187 if (((8 + frame_nr - pcch->va ) & 7) > 0 /frame_nr > pcch->va/)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1188 pcch_i->T200_Stop = TRUE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1189
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1190 pcch->va = frame_nr;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1191 free_sending_buffer (pcch->ch_type, pcch_i->sapi);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1192 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1193 else if (frame_nr NEQ pcch->va)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1194 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1195 pcch->va = frame_nr;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1196 pcch_i->T200_Start = TRUE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1197 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1198 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1199 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1200 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1201 nr_error_recovery (pcch_i, frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1202 }/* endifelse com_check_nr */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1203 }/* endfunc downlink_mfe_information */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1204
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1205 static int downlink_timer_recovery(T_CCH_INTERN* pcch_i, UBYTE *frame)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1206 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1207 TRACE_EVENT_WIN ("downlink_timer_recovery()");
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1208
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1209 switch (GET_FORMAT_TYPE (frame))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1210 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1211 case I_FORMAT:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1212 case I1_FORMAT: /* I frame */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1213 downlink_tr_information (pcch_i, frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1214 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1215 case S_FORMAT: /* S frame */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1216 downlink_tr_supervisory (pcch_i, frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1217 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1218 case U_FORMAT: /* U frame */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1219 downlink_mfe_tr_unnumbered (pcch_i, frame, STATE_TIMER_RECOVERY);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1220 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1221 default:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1222 TRACE_EVENT_WIN ("invalid/unknown frame");
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1223 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1224 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1225
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1226 return 0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1227 }/* endfunc downlink_tr */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1228
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1229 static void downlink_tr_supervisory (T_CCH_INTERN* pcch_i, UBYTE *frame)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1230 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1231 UBYTE frame_cr;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1232 UBYTE frame_pollbit;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1233 UBYTE frame_nr;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1234 T_CCH* pcch;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1235
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1236 CHECK_PCCH_I();
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1237 pcch = pcch_i->pcch;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1238
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1239 TRACE_EVENT_WIN ("downlink_tr_supervisory()");
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1240
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1241 frame_cr = GET_CR (frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1242 frame_pollbit = GET_P_BIT (frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1243 frame_nr = GET_RECEIVE_NUMBER (frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1244
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1245 switch (GET_S_TYPE (frame))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1246 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1247 case RR_FRAME:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1248 /*
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1249 * in accordance with CCITT Q.921 figure B.8 (sheet 5 and 6 of 9) and
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1250 * 3GPP 04.06, 5.5.3.1 "On receipt of a valid I frame or supervisory frame"
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1251 * and 5.5.7 "Waiting acknowledgement".
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1252 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1253 if (frame_pollbit AND frame_cr)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1254 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1255 enquiry_response (pcch_i, frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1256 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1257
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1258 if (com_check_nr (pcch->va, pcch->vs, frame_nr))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1259 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1260 /* N(R) check is successfull */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1261
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1262 TRACE_EVENT_WIN_P5 ("V(A)=%d =< N(R)=%d =< V(S)=%d check is successfull, pf=%u cr=%u",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1263 pcch->va, frame_nr, pcch->vs, frame_pollbit, frame_cr);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1264
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1265 pcch->va = frame_nr;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1266
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1267 if (frame_pollbit AND !frame_cr)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1268 { /*
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1269 * 3GPP 04.06, 5.5.7:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1270 * The timer recovery state is only cleared if the DL receives a valid
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1271 * supervisory frame response with the F bit set to 1.
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1272 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1273 pcch_i->T200_Stop = TRUE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1274 pcch_i->state = STATE_MULTIPLE_FRAME_ESTABLISHED;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1275 /* acknowledgement according to GSM 04.06, 5.5.3.1*/
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1276 free_sending_buffer (pcch->ch_type, pcch_i->sapi);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1277 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1278 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1279 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1280 invoke_retransmission (pcch_i, frame_nr);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1281 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1282 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1283 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1284 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1285 nr_error_recovery (pcch_i, frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1286 }/* endifelse com_check_nr */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1287 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1288
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1289 case REJ_FRAME:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1290 #if defined(NEW_REJ_ACK)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1291 /*
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1292 * in accordance with
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1293 * 3GPP 04.06, 5.5.3.1 "On receipt of a valid I frame or supervisory frame"
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1294 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1295 if (com_check_nr (pcch->va, pcch->vs, frame_nr))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1296 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1297 /* N(R) check is successfull */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1298
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1299 TRACE_EVENT_WIN_P5 ("V(A)=%d =< N(R)=%d =< V(S)=%d check is successfull, pf=%u cr=%u",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1300 pcch->va, frame_nr, pcch->vs, frame_pollbit, frame_cr);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1301
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1302 /* acknowledgement according to GSM 04.06, 5.5.3.1*/
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1303 free_sending_buffer (pcch->ch_type, pcch_i->sapi);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1304
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1305 pcch->va = frame_nr;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1306 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1307 #endif /* NEW_REJ_ACK */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1308
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1309 /*
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1310 * in accordance with GSM 04.06; chapter 5.5.4.1
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1311 * Receipt of a valid REJ frame [ii) and iii)]
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1312 *
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1313 * clear existing peer receiver busy condition (not applicable in GSM)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1314 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1315
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1316 if (frame_pollbit AND !frame_cr)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1317 {/* REJ response with F bit set to 1 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1318 /* clear the timer recovery state */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1319 pcch_i->state = STATE_MULTIPLE_FRAME_ESTABLISHED;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1320
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1321 /* reset timer T200 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1322 pcch_i->T200_Stop = TRUE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1323
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1324 #if defined(NEW_REJ_ACK)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1325 /* transmit the corresponding I frame asap */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1326 if (pcch->va NEQ frame_nr)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1327 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1328 TRACE_EVENT_WIN_P2 ("REJ: V(A)=%d != N(R)=%d => invoke retransmission",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1329 pcch->va, frame_nr);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1330
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1331 invoke_retransmission (pcch_i, frame_nr);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1332 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1333 #else /* NEW_REJ_ACK */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1334 /* transmit the corresponding I frame asap */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1335 invoke_retransmission (pcch_i, frame_nr);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1336 #endif /* NEW_REJ_ACK */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1337
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1338
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1339 /*
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1340 * set its send state variable V(S) and its acknowledge state
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1341 * variable V(A) to the value of the N(R) contained in the REJ frame
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1342 * control field
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1343 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1344 pcch->vs = pcch->va = frame_nr;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1345 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1346 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1347 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1348 /*
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1349 * set its its acknowledge state variable V(A) to the value
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1350 * of the N(R) contained in the REJ frame control field
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1351 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1352 pcch->va = frame_nr;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1353
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1354 /*
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1355 * if REJ command with P bit set to 1,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1356 * transmit an appropiate supervisory response frame with F bit set to 1
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1357 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1358 if (frame_pollbit AND frame_cr)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1359 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1360 enquiry_response (pcch_i, frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1361 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1362 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1363 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1364
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1365 case RNR_FRAME:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1366 /*
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1367 * ignore RNR frame without notification
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1368 * (ETSI GSM 04.06, section 6.
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1369 * "Special protocol operation on SAPI=0 and SAPI=3", page 53)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1370 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1371 default:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1372 /* frame not implemented, */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1373 TRACE_EVENT_WIN ("invalid S frame"); /* GSM 04.06 Annex G.3.1 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1374 return;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1375 }/* endswitch frame_type */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1376
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1377
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1378 }/* endfunc downlink_tr_supervisory */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1379
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1380 static void downlink_tr_information ( T_CCH_INTERN* pcch_i, UBYTE *frame)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1381 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1382 T_CCH* pcch;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1383 UBYTE frame_nr;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1384
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1385 CHECK_PCCH_I();
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1386 pcch = pcch_i->pcch;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1387
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1388 TRACE_EVENT_WIN ("downlink_tr_information()");
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1389
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1390 if (!GET_CR (frame))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1391 { /* GSM 04.06 Annex G.2.2 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1392 TRACE_EVENT_WIN ("invalid I response (C=0)");
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1393 return;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1394 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1395
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1396 /* in accordance with CCITT Q.921 figure B.8 (sheet 7 of 9) */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1397 downlink_i_frame (pcch_i, frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1398
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1399 /*
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1400 * in accordance with CCITT Q.921 figure B.8 (sheet 8 of 9) and
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1401 * 3GPP 04.06, 5.5.3.1 "On receipt of a valid I frame or supervisory frame"
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1402 * and 5.5.7 "Waiting acknowledgement".
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1403 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1404 frame_nr = GET_RECEIVE_NUMBER (frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1405 if (com_check_nr (pcch->va, pcch->vs, frame_nr))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1406 pcch->va = frame_nr;/* N(R) check is successfull */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1407 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1408 nr_error_recovery (pcch_i, frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1409 }/* endfunc downlink_tr_information */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1410
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1411 static int downlink_awaiting_release(T_CCH_INTERN* pcch_i, UBYTE *frame)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1412 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1413 T_CCH* pcch;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1414
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1415 CHECK_PCCH_Ir();
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1416 pcch = pcch_i->pcch;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1417
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1418 TRACE_FUNCTION ("downlink_awaiting_release()");
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1419
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1420 if (GET_FORMAT_TYPE (frame) EQ U_FORMAT)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1421 { /* U frame */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1422 if (GET_CR (frame))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1423 { /* command */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1424 switch (GET_U_TYPE (frame))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1425 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1426 case SABM_FRAME:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1427 if (pcch_i->sapi EQ PS_SAPI_0)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1428 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1429 pcch->vtx = DM_CMD;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1430 pcch_i->pf_bit_flag = GET_P_BIT (frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1431 pcch_i->T200_Stop = TRUE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1432 pcch_i->state = STATE_IDLE_DL;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1433 drr_dl_release_cnf (pcch->ch_type, PS_SAPI_0, FALSE);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1434 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1435 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1436 case UI_FRAME:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1437 /* drr_dl_unitdata_ind() was called in the main downlink function */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1438 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1439 case DISC_FRAME:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1440 pcch->vtx = UA_CMD;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1441 pcch_i->T200_Stop = TRUE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1442 #if !defined(LATE_LEAVING_DEDICATED)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1443 com_leave_dedicated (pcch->ch_type);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1444 #endif /* LATE_LEAVING_DEDICATED */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1445 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1446 default:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1447 /* GSM 04.06 Annex G.2.2, G.3.2 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1448 TRACE_EVENT_WIN_P1 ("invalid command U frame (%02x)", GET_U_TYPE (frame));
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1449 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1450 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1451 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1452 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1453 { /* response */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1454 switch (GET_U_TYPE (frame))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1455 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1456 case DM_FRAME:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1457 /*
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1458 * PATCH LE 14.09.99
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1459 * Ignore DM(F=0) frames
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1460 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1461 if (!GET_P_BIT (frame))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1462 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1463
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1464 /* the same as UA_FRAME */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1465 /lint -fallthrough/
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1466
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1467 case UA_FRAME:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1468 pcch_i->T200_Stop = TRUE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1469 #if defined(LATE_LEAVING_DEDICATED)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1470 com_leave_dedicated (pcch->ch_type);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1471 #endif /* LATE_LEAVING_DEDICATED */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1472 pcch_i->state = STATE_IDLE_DL;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1473 drr_dl_release_cnf (pcch->ch_type, pcch_i->sapi, TRUE);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1474 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1475
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1476 default:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1477 TRACE_EVENT_WIN_P1 ("invalid response U frame (%02x)", GET_U_TYPE (frame));
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1478 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1479 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1480 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1481 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1482 return 0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1483 }/* endfunc downlink_awaiting_release */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1484
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1485 static void invoke_retransmission (T_CCH_INTERN* pcch_i, UBYTE frame_nr)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1486 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1487 T_CCH* pcch;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1488
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1489 CHECK_PCCH_I();
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1490 pcch = pcch_i->pcch;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1491
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1492 if (pcch->vs NEQ frame_nr)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1493 { /* decrement V(S) and recover queue for retransmission */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1494 TRACE_EVENT_WIN ("invoke retransmission");
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1495
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1496 pcch->vs--;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1497 pcch->vs &= 7;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1498 com_recover_queue (pcch_i->sapi);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1499 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1500 }/* endfunc invoke_retransmission */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1501
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1502
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1503 static void enquiry_response (T_CCH_INTERN* pcch_i, UBYTE *frame)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1504 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1505 T_CCH* pcch;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1506
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1507 CHECK_PCCH_I();
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1508 pcch = pcch_i->pcch;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1509
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1510 TRACE_EVENT_WIN ("enquiry_response()");
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1511 /*
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1512 * in accordance with ETSI GSM 04.06, 5.5.3.2 Receiving supervisory
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1513 * commands with the P bit set to "1" and ETSI GSM 04.06, 5.5.4.1 iii
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1514 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1515
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1516 pcch_i->pf_bit_flag = TRUE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1517 pcch->acknowledge_pending = FALSE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1518 pcch->vtx = RR_RSP;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1519 }/* endfunc enquiry_response */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1520
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1521 #if defined(_SIMULATION_)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1522 LOCAL const char * const _str_error_ind_cause[] =
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1523 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1524 "T200_EXPIRED_N200_PLUS_1_TIMES, \"T200 expired (N200 + 1 times)\"",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1525 "CS_REEST_REQ, \"re-establishment request\"",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1526 "UNSOLICITED_UA_RESPONSE, \"unsolicited UA response\"",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1527 "UNSOLICITED_DM_RESPONSE, \"unsolicited DM response\"",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1528 "UNSOLICITED_DM_RESPONSE_ABNORMAL_REL, \"unsolicited DM response, multiple frame established state\"",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1529 "UNSOLICITED_SUPERVISORY_RESPONSE, \"unsolicited supervisory response\"",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1530 "SEQUENCE_ERROR, \"sequence error\"",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1531 "U_FRAME_WITH_INCORRECT_PARAMETERS, \"U frame with incorrect parameters\"",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1532 "S_FRAME_WITH_INCORRECT_PARAMETERS, \"S frame with incorrect parameters\"",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1533 "I_FRAME_WITH_INCORRECT_USE_OF_M_BIT, \"I frame with incorrect use of M bit\"",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1534 "I_FRAME_WITH_INCORRECT_LENGTH, \"I frame with incorrect length\"",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1535 "FRAME_NOT_IMPLEMENTED, \"frame not implemented\"",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1536 };
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1537 #endif /* _SIMULATION_ */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1538
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1539 static void mdl_error_ind (UBYTE cause,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1540 UBYTE channel_type, UBYTE sapi)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1541 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1542 TRACE_EVENT_WIN_P2 ("mdl_error_ind(%u %s)", cause, _str_error_ind_cause[cause]);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1543 switch(cause)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1544 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1545 case T200_EXPIRED_N200_PLUS_1_TIMES:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1546 case UNSOLICITED_DM_RESPONSE:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1547 case UNSOLICITED_DM_RESPONSE_ABNORMAL_REL:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1548 case SEQUENCE_ERROR:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1549 drr_error_ind (channel_type, sapi);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1550 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1551 default:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1552 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1553 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1554 }/* endfunc mdl_error_ind */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1555
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1556 static void nr_error_recovery (T_CCH_INTERN* pcch_i, UBYTE *frame)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1557 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1558
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1559 T_CCH* pcch;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1560
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1561 CHECK_PCCH_I();
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1562 pcch = pcch_i->pcch;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1563
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1564 TRACE_EVENT_WIN ("nr_error_recovery()");
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1565 DL_OFFLINE_TRACE (TRACE_DL_EVENT, TRACE_CH_UNKNOWN, pcch->ch_type, "N(R) sequence error");
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1566
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1567 switch (pcch->ch_type)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1568 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1569 case L2_CHANNEL_SDCCH:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1570 if (pcch_i->sapi EQ PS_SAPI_3)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1571 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1572 /lint -fallthrough/
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1573 case L2_CHANNEL_SACCH:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1574 case L2_CHANNEL_FACCH_F:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1575 case L2_CHANNEL_FACCH_H:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1576 if ((GET_P_BIT (frame) EQ 1) AND !GET_M_BIT (frame))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1577 pcch_i->dl_data_ind = TRUE; /* indicate a complete message to layer 3 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1578 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1579 pcch_i->dl_data_ind = FALSE;/* no indication if P bit set to "0" or message is incomplete */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1580
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1581 /*
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1582 * GSM 04.06, 5.7.4 The data link shall remain in current state
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1583 * until it�s release by layer 3 ???
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1584 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1585 pcch_i->mdl_error_ind = SEQUENCE_ERROR; /* send mdl error ind after sequence error */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1586
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1587 DL_EM_CHANNEL_FAILURE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1588
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1589 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1590 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1591 pcch->vtx = EMPTY_CMD;/* no answer after N(R) sequence error */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1592 }/* endfunc nr_error_recovery */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1593
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1594
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1595 static void concatenate (UBYTE ch_type, UBYTE sapi,UBYTE *frame)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1596 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1597 GET_INSTANCE_DATA;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1598 switch (ch_type)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1599 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1600 case L2_CHANNEL_SDCCH:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1601 if (sapi EQ PS_SAPI_0)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1602 com_concatenate (&dl_data->dcch0_in_msg, frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1603 else if (sapi EQ PS_SAPI_3)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1604 com_concatenate (&dl_data->dcch3_in_msg, frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1605 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1606 case L2_CHANNEL_SACCH:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1607 if (sapi EQ PS_SAPI_3)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1608 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1609 com_concatenate (&dl_data->dcch3_in_msg, frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1610 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1611 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1612 case L2_CHANNEL_FACCH_F:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1613 case L2_CHANNEL_FACCH_H:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1614 if (sapi EQ PS_SAPI_0)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1615 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1616 com_concatenate (&dl_data->dcch0_in_msg, frame);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1617 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1618 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1619 default:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1620 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1621 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1622 }/* endfunc concatenate */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1623
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1624 /*
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1625 +--------------------------------------------------------------------+
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1626 \| PROJECT : GSM-PS (6147) MODULE : DL_COM \|
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1627 \| STATE : code ROUTINE : free_sending_buffer \|
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1628 +--------------------------------------------------------------------+
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1629
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1630 PURPOSE : After confirmation of an I frame the sending buffer is
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1631 released if it was the last segment. This avoids
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1632 resending of I frames after resumption.
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1633
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1634 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1635 static void free_sending_buffer ( UBYTE ch_type, UBYTE sapi)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1636 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1637 GET_INSTANCE_DATA;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1638 T_QUEUE *queue = NULL;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1639
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1640 TRACE_EVENT_WIN_P2 ("free_sending_buffer():%s SAPI=%u", CH_TYPE_NAME[ch_type], sapi);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1641
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1642 switch (ch_type)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1643 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1644 case L2_CHANNEL_SDCCH:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1645 if (sapi EQ PS_SAPI_0)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1646 queue = &dl_data->dcch0_queue;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1647 else if (sapi EQ PS_SAPI_3)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1648 queue = &dl_data->dcch3_queue;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1649 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1650 case L2_CHANNEL_SACCH:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1651 if (sapi EQ PS_SAPI_3)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1652 queue = &dl_data->dcch3_queue;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1653 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1654 case L2_CHANNEL_FACCH_F:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1655 case L2_CHANNEL_FACCH_H:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1656 if (sapi EQ PS_SAPI_0)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1657 queue = &dl_data->dcch0_queue;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1658 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1659 default:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1660 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1661 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1662
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1663 if (queue)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1664 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1665 if (queue->switch_buffer)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1666 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1667 TRACE_EVENT_WIN_P3 ("CNF on %s SAPI=%u %s (switch_buffer)",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1668 CH_TYPE_NAME[queue->switch_buffer->ch_type],
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1669 queue->switch_buffer->sapi,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1670 queue->switch_buffer->cnf ? "CNF required" : "");
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1671
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1672 com_l3trace (TRACE_UPLINK, queue->switch_buffer->ch_type, (UBYTE *)queue->switch_buffer);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1673 COM_FREE_QUEUE_BUFFER ( queue, INDEX_SWITCH_BUFFER);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1674 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1675 else if (queue->sending_buffer)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1676 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1677 TRACE_EVENT_WIN_P4 ("CNF on %s SAPI=%u %s (sending_buffer) act_length=%u",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1678 CH_TYPE_NAME[queue->sending_buffer->ch_type],
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1679 queue->sending_buffer->sapi,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1680 queue->sending_buffer->cnf ? "CNF required" : "",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1681 queue->act_length);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1682
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1683 if (queue->act_length EQ 0)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1684 { /* entire message has been sent */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1685 com_l3trace (TRACE_UPLINK, queue->sending_buffer->ch_type, (UBYTE *)queue->sending_buffer);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1686
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1687 if (queue->sending_buffer->cnf)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1688 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1689 drr_dl_data_cnf (sapi);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1690 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1691 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1692 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1693 COM_FREE_QUEUE_BUFFER (queue, INDEX_SENDING_BUFFER);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1694 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1695 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1696 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1697 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1698 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1699 TRACE_EVENT_WIN_P2 ("%s SAPI=%u: sending_buffer and switch_buffer=NULL !!!",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1700 CH_TYPE_NAME[ch_type], sapi);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1701 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1702 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1703 }/* endfunc concatenate */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1704
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1705 static void T200_expiry ( UBYTE channel, UBYTE sapi)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1706 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1707 GET_INSTANCE_DATA;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1708 UBYTE old_state;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1709 UBYTE new_state;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1710 T_CCH * pcch = &dl_data->cch[channel];
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1711 UBYTE N200_counter;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1712
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1713 TRACE_FUNCTION ("T200_expiry()");
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1714
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1715 switch (pcch->ch_type)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1716 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1717 case L2_CHANNEL_SACCH:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1718 N200_counter = SACCH_N200;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1719 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1720 case L2_CHANNEL_SDCCH:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1721 N200_counter = SDCCH_N200;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1722 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1723 case L2_CHANNEL_FACCH_F:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1724 N200_counter = FACCH_N200_FR;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1725 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1726 case L2_CHANNEL_FACCH_H:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1727 N200_counter = FACCH_N200_HR;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1728 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1729 default:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1730 N200_counter = NOT_PRESENT_8BIT;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1731 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1732 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1733
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1734 new_state = old_state = dl_data->state[channel];
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1735 switch (old_state)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1736 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1737 case STATE_CONTENTION_RESOLUTION:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1738 repeat_sabm (channel, sapi);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1739 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1740
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1741 case STATE_MULTIPLE_FRAME_ESTABLISHED:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1742 pcch->rc = 1;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1743 pcch->p_bit_flag= 1;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1744 pcch->time_flag = TRUE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1745 new_state = STATE_TIMER_RECOVERY;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1746 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1747
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1748 case STATE_TIMER_RECOVERY:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1749 if (N200_counter EQ NOT_PRESENT_8BIT)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1750 break; /* invalid channel */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1751
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1752 if (pcch->rc >= N200_counter)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1753 { /* release connection due to T200 expired N200 plus 1 times */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1754
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1755 TRACE_EVENT_WIN_P1 ("T200 expired, N200=%u", N200_counter);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1756
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1757 /* New! Called now by mdl_error_ind().
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1758 * drr_dl_release_ind (dl_data, pcch->ch_type, sapi, NOT_PRESENT_8BIT);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1759 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1760 mdl_error_ind (T200_EXPIRED_N200_PLUS_1_TIMES, pcch->ch_type, sapi);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1761
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1762 if (sapi EQ PS_SAPI_0)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1763 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1764 dcch3_init_dl_data();
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1765 pcch->T200_counter = 0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1766 pcch->time_flag = FALSE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1767 pcch->contention_resolution = FALSE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1768 pcch->vtx = EMPTY_CMD;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1769 new_state = STATE_IDLE_DL;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1770 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1771 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1772 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1773 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1774 pcch->rc++;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1775 pcch->p_bit_flag = 1;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1776 pcch->time_flag = TRUE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1777 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1778 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1779
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1780 case STATE_AWAITING_RELEASE:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1781 if (pcch->rc >= N200_ESTABLISHMENT)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1782 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1783 TRACE_EVENT_WIN_P1 ("T200 expired, N200=%u", N200_ESTABLISHMENT);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1784 drr_dl_release_cnf (pcch->ch_type, sapi, TRUE);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1785 new_state = STATE_IDLE_DL;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1786
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1787 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1788 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1789 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1790 pcch->rc++;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1791 pcch->vtx = DISC_CMD;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1792 pcch->time_flag = TRUE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1793 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1794 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1795
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1796 default:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1797 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1798 }/* endswitch old_state */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1799
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1800 if (new_state NEQ old_state)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1801 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1802 set_channel_state (channel, new_state);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1803 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1804
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1805 }/* endfunc T200_expiry */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1806
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1807 /*
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1808 +--------------------------------------------------------------------+
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1809 \| PROJECT : GSM-PS (6147) MODULE : state \|
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1810 \| STATE : code ROUTINE : repeat_sabm \|
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1811 +--------------------------------------------------------------------+
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1812
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1813 PURPOSE : Repeat if possible the SABM command.
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1814
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1815 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1816
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1817 static void repeat_sabm (UBYTE channel, UBYTE sapi)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1818 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1819 GET_INSTANCE_DATA;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1820 T_CCH* pcch = &dl_data->cch[channel];
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1821
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1822 TRACE_FUNCTION ("repeat_sabm()");
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1823
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1824 if (pcch->rc >= N200_ESTABLISHMENT)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1825 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1826 if (sapi EQ PS_SAPI_0)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1827 pcch->contention_resolution = FALSE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1828
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1829 DL_OFFLINE_TRACE (TRACE_DL_EVENT, channel, pcch->ch_type, ">N200_EST");
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1830 SYST_TRACE_P ((SYST, "DL: >N200 of SABM"));
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1831 TRACE_ERROR ("DL: >N200 of SABM");
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1832
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1833 DL_EM_CHANNEL_ESTABLISHMENT_FAILED;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1834
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1835 mdl_error_ind(T200_EXPIRED_N200_PLUS_1_TIMES, pcch->ch_type, sapi);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1836 set_channel_state (channel, STATE_IDLE_DL);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1837 /* New! Called now by mdl_error_ind().
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1838 * drr_dl_release_ind (dl_data, pcch->ch_type, sapi, NOT_PRESENT_8BIT);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1839 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1840 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1841 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1842 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1843 pcch->rc++;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1844 pcch->vtx = SABM_CMD;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1845 pcch->time_flag = TRUE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1846 TRACE_EVENT_P1 ("DL: T200 %u. repeat of SABM", pcch->rc);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1847 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1848 }/* endfunc repeat_sabm */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1849
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1850 GLOBAL void set_channel_state (UBYTE channel, UBYTE state)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1851 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1852 GET_INSTANCE_DATA;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1853 if (dl_data->state[channel] NEQ state)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1854 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1855 #ifdef TRACE_STATE
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1856 vsi_o_state_ttrace ("STATE_%s:%s -> %s", PROCESS_NAME[channel],
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1857 channel EQ C_DCCH3 ? STATE_DCCH3_NAME[dl_data->state[channel]]:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1858 STATE_DCCH0_NAME[dl_data->state[channel]],
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1859 channel EQ C_DCCH3 ? STATE_DCCH3_NAME[state] :
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1860 STATE_DCCH0_NAME[state]);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1861 #endif /* TRACE_STATE */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1862 dl_data->state[channel] = state;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1863 DL_OFFLINE_TRACE (TRACE_CHSTATE, channel, dl_data->cch[channel].ch_type, NULL);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1864 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1865 }/* endfunc set_channel_state */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1866
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1867 static void set_T200_counter (T_CCH* pcch, UBYTE sapi)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1868 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1869 switch (pcch->ch_type)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1870 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1871 case L2_CHANNEL_SACCH:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1872 pcch->T200_counter = sapi EQ PS_SAPI_0 ?
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1873 T200_SDCCH_SAPI_0_CNT : T200_SACCH_SAPI_3_CNT;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1874 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1875 default:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1876 TRACE_EVENT_WIN_P1 ("set_T200_counter: unknown ch_type=%u -> use SDCCH", pcch->ch_type);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1877 /lint -fallthrough/
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1878 case L2_CHANNEL_SDCCH:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1879 pcch->T200_counter = sapi EQ PS_SAPI_0 ?
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1880 T200_SDCCH_SAPI_0_CNT : T200_SDCCH_SAPI_3_CNT;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1881 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1882 case L2_CHANNEL_FACCH_F:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1883 pcch->T200_counter = T200_FACCH_SAPI_0_CNT_FR;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1884 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1885 case L2_CHANNEL_FACCH_H:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1886 pcch->T200_counter = T200_FACCH_SAPI_0_CNT_HR;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1887 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1888 }/* endswitch ch_type */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1889 pcch->time_flag = FALSE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1890
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1891 TRACE_EVENT_WIN_P3 ("set_T200_counter: %s, SAPI=%u: %u",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1892 CH_TYPE_NAME[pcch->ch_type], sapi, pcch->T200_counter);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1893 }/* endfunc set_T200_counter */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1894
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1895 #if defined(DELAYED_RELEASE_IND)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1896 static void delayed_release_ind( UBYTE channel)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1897 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1898 GET_INSTANCE_DATA;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1899 /* delay DL RELEASE IND to RR for FTA 25.2.3 *********** */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1900 if (dl_data->release_ind_ch_type NEQ NOT_PRESENT_8BIT)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1901 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1902 if (dl_data->release_ind_delay > 0)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1903 dl_data->release_ind_delay--;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1904
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1905 if (dl_data->release_ind_delay EQ 0)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1906 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1907 DL_OFFLINE_TRACE (TRACE_DL_EVENT, TRACE_CH_UNKNOWN,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1908 dl_data->release_ind_ch_type, "UL:send delayed REL IND");
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1909 drr_dl_release_ind (dl_data->release_ind_ch_type,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1910 dl_data->release_ind_sapi, NOT_PRESENT_8BIT, TRUE);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1911 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1912 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1913 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1914 DL_OFFLINE_TRACE (TRACE_DL_EVENT, TRACE_CH_UNKNOWN,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1915 dl_data->release_ind_ch_type, "UL:pend. delay REL IND");
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1916 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1917
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1918 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1919 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1920
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1921 #endif /* DELAYED_RELEASE_IND */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1922
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1923 T_RADIO_FRAME* dl_uplink(UBYTE channel, UBYTE sapi,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1924 UBYTE no_signalling_mode, BOOL recursive)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1925 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1926 GET_INSTANCE_DATA;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1927 T_CCH* pcch = &dl_data->cch[channel];
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1928 T_RADIO_FRAME* p_l2_frame = &dl_data->l2_frame;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1929 int send = UPLINK_NULL;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1930
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1931 TRACE_EVENT_WIN_P3 ("uplink(): %s dcch0_ch_type:%s dedi=%u",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1932 CH_TYPE_NAME[pcch->ch_type], CH_TYPE_NAME[dl_data->dcch0_ch_type], dl_data->RR_dedicated);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1933 TRACE_EVENT_WIN_P6 ("UL: DCCH0=%s,%s vr=%u vs=%u va=%u T200=%u",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1934 CH_TYPE_NAME[dl_data->cch[C_DCCH0].ch_type],
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1935 STATE_DCCH0_NAME[dl_data->state[C_DCCH0]],
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1936 dl_data->cch[C_DCCH0].vr, dl_data->cch[C_DCCH0].vs, dl_data->cch[C_DCCH0].va,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1937 dl_data->cch[C_DCCH0].T200_counter);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1938 TRACE_EVENT_WIN_P6 ("UL: DCCH3=%s,%s vr=%u vs=%u va=%u T200=%u",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1939 CH_TYPE_NAME[dl_data->cch[C_DCCH3].ch_type],
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1940 STATE_DCCH3_NAME[dl_data->state[C_DCCH3]],
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1941 dl_data->cch[C_DCCH3].vr, dl_data->cch[C_DCCH3].vs, dl_data->cch[C_DCCH3].va,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1942 dl_data->cch[C_DCCH3].T200_counter);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1943
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1944
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1945 /* check SACCH SAPI and channel */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1946 if (pcch->ch_type EQ L2_CHANNEL_SACCH)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1947 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1948 if (!dl_data->RR_dedicated)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1949 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1950 sapi = PS_SAPI_0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1951 send = UPLINK_EMPTY;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1952 TRACE_EVENT_WIN ("SACCH without dedicated channel: change SAPI->0, UPLINK_EMPTY");
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1953 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1954 else if (dl_data->state[C_DCCH0] EQ STATE_SUSPENDED)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1955 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1956 sapi = PS_SAPI_0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1957 send = UPLINK_REPORT;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1958 TRACE_EVENT_WIN ("SACCH during suspended dedicated channel: change SAPI->0, UPLINK_REPORT");
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1959 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1960 else if (sapi EQ PS_SAPI_3)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1961 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1962 if ((dl_data->state[C_DCCH0] <= STATE_IDLE_DL)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1963 OR
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1964 (dl_data->dcch0_ch_type EQ L2_CHANNEL_SDCCH)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1965 OR
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1966 ((dl_data->cch[C_DCCH3].vtx EQ EMPTY_CMD) AND
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1967 (!com_queue_awaiting_transmission (PS_SAPI_3)) AND
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1968 (dl_data->state[C_DCCH3] NEQ STATE_AWAITING_ESTABLISHMENT)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1969 ) )
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1970 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1971 sapi = PS_SAPI_0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1972 TRACE_EVENT_WIN ("SACCH with SAPI=3 only together with FACCH and frame is awaiting tx: change SAPI->0");
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1973 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1974 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1975 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1976 channel = C_DCCH3;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1977 pcch = &dl_data->cch[channel];
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1978 TRACE_EVENT_WIN ("SACCH with SAPI=3 together with FACCH: change channel->C_DCCH3");
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1979 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1980 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1981 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1982 else if ((dl_data->RR_dedicated) AND
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1983 (dl_data->dcch0_ch_type NEQ pcch->ch_type))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1984 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1985 TRACE_EVENT_WIN_P2 ("dcch0_ch_type (%s) NEQ %s -> unexpected,unsolicited,invalid channel => UPLINK_EMPTY",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1986 CH_TYPE_NAME[dl_data->dcch0_ch_type],
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1987 CH_TYPE_NAME[dl_data->cch[C_DCCH0].ch_type]);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1988 send = UPLINK_EMPTY;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1989 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1990
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1991 /* decrease T200 counter ************************************ */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1992 if (channel EQ C_DCCH3)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1993 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1994 if (dl_data->cch[C_DCCH3].T200_counter >= T200_ACTIVE)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1995 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1996 dl_data->cch[C_DCCH3].T200_counter--;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1997 TRACE_EVENT_WIN_P2 ("T200(SAPI_0)=%u T200(SAPI_3)=%u*",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1998 dl_data->cch[C_DCCH0].T200_counter, dl_data->cch[C_DCCH3].T200_counter);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1999 /DL_OFFLINE_TRACE (TRACE_DL_EVENT, channel, pcch->ch_type, "dec T200(SAPI_3)");/
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2000 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2001 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2002 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2003 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2004 if (pcch->ch_type NEQ L2_CHANNEL_SACCH) /* no T200 for SACCH with SAPI=0 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2005 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2006 if (dl_data->cch[C_DCCH0].T200_counter >= T200_ACTIVE)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2007 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2008 dl_data->cch[C_DCCH0].T200_counter--;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2009 TRACE_EVENT_WIN_P2 ("T200(SAPI_0)=%u* T200(SAPI_3)=%u",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2010 dl_data->cch[C_DCCH0].T200_counter, dl_data->cch[C_DCCH3].T200_counter);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2011 /DL_OFFLINE_TRACE (TRACE_DL_EVENT, channel, pcch->ch_type, "dec T200(SAPI_0)");/
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2012 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2013 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2014 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2015
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2016 /* check activity of DL ************************************* */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2017 if (dl_data->dl_active AND dl_data->state[channel] EQ STATE_MULTIPLE_FRAME_ESTABLISHED)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2018 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2019 TRACE_EVENT_WIN_P1 ("uplink(): %s dl_active", PROCESS_NAME[channel]);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2020 DL_OFFLINE_TRACE (TRACE_DL_EVENT, channel, pcch->ch_type, "UL:&dl_active");
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2021
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2022 /* signalling only */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2023 send = UPLINK_EMPTY;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2024 }/* endif dl_active */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2025
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2026 #if defined(DELAYED_SABM)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2027 /* delay uplink SABM to PL for FTA 26.6.6.1 and 25.2.3 *********** */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2028 if ((channel EQ C_DCCH0) AND (dl_data->dcch0_sabm_flag NEQ NOT_PRESENT_8BIT))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2029 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2030 dcch0_delay_sabm (pcch);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2031 if (dl_data->dcch0_sabm_flag NEQ NOT_PRESENT_8BIT)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2032 send = UPLINK_EMPTY; /* send dummy only */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2033 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2034 #endif /* DELAYED_SABM */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2035
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2036
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2037 #if defined(DELAYED_RELEASE_IND)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2038 delayed_release_ind (channel);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2039 #endif /* DELAYED_RELEASE_IND */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2040
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2041 if ((send EQ UPLINK_NULL) OR (send EQ UPLINK_EMPTY))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2042 { /* After a L3 release at the last downlink DL should send a DISC */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2043 TRACE_EVENT_WIN_P6 ("uplink():%s %s SAPI=%u vtx=%s %s (#%u)",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2044 PROCESS_NAME[channel], CH_TYPE_NAME[pcch->ch_type], sapi,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2045 VTX_NAME[pcch->vtx], SEND_NAME[send], __LINE__);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2046 switch (channel)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2047 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2048 case C_DCCH0:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2049 send = dcch0_check_disc (send);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2050 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2051 case C_DCCH3:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2052 send = dcch3_check_disc (send);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2053 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2054 default:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2055 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2056 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2057 TRACE_EVENT_WIN_P6 ("uplink():%s %s SAPI=%u vtx=%s %s (#%u)",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2058 PROCESS_NAME[channel], CH_TYPE_NAME[pcch->ch_type], sapi,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2059 VTX_NAME[pcch->vtx], SEND_NAME[send], __LINE__);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2060 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2061
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2062 if (send EQ UPLINK_NULL)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2063 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2064 TRACE_EVENT_WIN_P5 ("uplink():%s %s SAPI=%u vtx=%s %s",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2065 PROCESS_NAME[channel], CH_TYPE_NAME[pcch->ch_type], sapi,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2066 VTX_NAME[pcch->vtx], recursive ? "RECURSIVE" : "");
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2067
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2068 TRACE_EVENT_WIN_P8 ("UL: DCCH%u=%s,%s vr=%u vs=%u va=%u T200=%u (#%u)",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2069 sapi, CH_TYPE_NAME[dl_data->cch[channel].ch_type],
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2070 STATE_DCCH3_NAME[dl_data->state[channel]],
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2071 dl_data->cch[channel].vr, dl_data->cch[channel].vs, dl_data->cch[channel].va,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2072 dl_data->cch[channel].T200_counter, __LINE__);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2073
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2074 /* check timer T200 expiry ****************************** */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2075 if ((channel EQ C_DCCH0) AND
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2076 (dl_data->cch[C_DCCH0].T200_counter EQ T200_EXPIRED))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2077 T200_expiry (C_DCCH0, PS_SAPI_0);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2078 if ((channel EQ C_DCCH3) AND
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2079 (dl_data->cch[C_DCCH3].T200_counter EQ T200_EXPIRED))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2080 T200_expiry (C_DCCH3, PS_SAPI_3);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2081
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2082 TRACE_EVENT_WIN_P8 ("UL: DCCH%u=%s,%s vr=%u vs=%u va=%u T200=%u (#%u)",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2083 sapi, CH_TYPE_NAME[dl_data->cch[channel].ch_type],
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2084 STATE_DCCH3_NAME[dl_data->state[channel]],
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2085 dl_data->cch[channel].vr, dl_data->cch[channel].vs, dl_data->cch[channel].va,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2086 dl_data->cch[channel].T200_counter, __LINE__);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2087
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2088 /* state machine **************************************** */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2089 switch (dl_data->state[channel])
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2090 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2091 case STATE_IDLE_DL:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2092 if (pcch->vtx EQ EMPTY_CMD AND !dl_data->RR_dedicated)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2093 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2094 send = uplink_idle (channel, sapi);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2095 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2096 case STATE_CONTENTION_RESOLUTION: /* the same as STATE_AWAITING_ESTABLISHMENT */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2097 send = uplink_awaiting_establishment (channel, sapi, no_signalling_mode);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2098 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2099 case STATE_MULTIPLE_FRAME_ESTABLISHED:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2100 send = uplink_mfe (channel, sapi, no_signalling_mode);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2101 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2102 case STATE_TIMER_RECOVERY:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2103 send = uplink_timer_recovery (channel, sapi, no_signalling_mode);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2104 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2105 case STATE_AWAITING_RELEASE:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2106 send = uplink_awaiting_release ( channel, sapi);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2107 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2108 case STATE_SUSPENDED: /* only DCCH0 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2109 send = UPLINK_NULL;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2110 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2111 case STATE_DISABLED: /* only SABM/UA or SACCH and SDCCH (SAPI 3) */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2112 if (channel EQ C_DCCH3)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2113 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2114 if (pcch->vtx EQ UA_CMD)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2115 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2116 send = uplink_idle (channel, sapi);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2117 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2118 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2119 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2120 send = UPLINK_EMPTY;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2121 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2122 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2123 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2124 }/* endswitch channel_state */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2125
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2126 }/* endif send == NULL */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2127
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2128 TRACE_EVENT_WIN_P8 ("UL: DCCH%u=%s,%s vr=%u vs=%u va=%u T200=%u (#%u)",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2129 sapi, CH_TYPE_NAME[dl_data->cch[channel].ch_type],
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2130 STATE_DCCH3_NAME[dl_data->state[channel]],
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2131 dl_data->cch[channel].vr, dl_data->cch[channel].vs, dl_data->cch[channel].va,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2132 dl_data->cch[channel].T200_counter, __LINE__);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2133
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2134 if (pcch->ch_type EQ L2_CHANNEL_SACCH)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2135 { /*
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2136 * According to 3GPP TS 04.05, 4.2.2 Priority:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2137 * The priority arrangement on the SACCH must ensure that if a SAPI = 3
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2138 * frame is awaiting transmission, two SAPI = 0 frames are not sent in
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2139 * consecutive SACCH frames. In addition, for the mobile to network
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2140 * direction it must also be ensured that any SAPI = 3 frame is followed
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2141 * by at least one SAPI = 0 frame.
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2142 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2143
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2144 TRACE_EVENT_WIN_P3 ("sacch_last_uplink_sapi=%u SAPI=%u send=%s",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2145 dl_data->sacch_last_uplink_sapi, sapi, SEND_NAME[send]);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2146
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2147 if ((dl_data->sacch_last_uplink_sapi EQ PS_SAPI_3) OR
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2148 ((sapi EQ PS_SAPI_3 ) AND (send EQ UPLINK_EMPTY)))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2149 {/* last uplinked SACCH frame was one with SAPI=3
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2150 * or
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2151 * no SACCH SAPI=3 frame is awaiting transmission
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2152 * -> uplink of a SACCH SAPI=0 frame
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2153 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2154 sapi = PS_SAPI_0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2155 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2156
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2157 if (send EQ UPLINK_EMPTY)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2158 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2159 sapi = PS_SAPI_0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2160 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2161
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2162 if ((sapi EQ PS_SAPI_0) AND (dl_data->state[C_DCCH0] >= STATE_SUSPENDED))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2163 { /*
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2164 * uplink measurement reports only if SAPI=0 is suspended,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2165 * on contention resolution procedure, established or awaiting release
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2166 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2167 send = UPLINK_REPORT;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2168 TRACE_EVENT_WIN ("uplink(): SACCH REPORT now");
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2169 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2170
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2171 TRACE_EVENT_WIN_P2 ("sacch_last_uplink_sapi:=%u->%u", dl_data->sacch_last_uplink_sapi, sapi);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2172 dl_data->sacch_last_uplink_sapi = sapi;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2173 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2174 else if ((pcch->ch_type EQ L2_CHANNEL_SDCCH) AND (channel NEQ C_DCCH3))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2175 { /*
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2176 * According to 3GPP TS 04.05, 4.2.2 Priority:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2177 * The priority between data links on SDCCH shall be as follows:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2178 * Highest priority : SAPI = 0, Lowest priority : SAPI = 3.
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2179 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2180 if ((sapi EQ PS_SAPI_0) AND (send <= UPLINK_EMPTY))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2181 { /* special case: nothing is awaiting transmission for SAPI=0 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2182 if ((dl_data->cch[C_DCCH3].vtx NEQ EMPTY_CMD) OR
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2183 com_queue_awaiting_transmission(PS_SAPI_3) OR
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2184 (dl_data->cch[C_DCCH3].T200_counter NEQ T200_STOPPED))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2185 {/* something is awaiting transmission for SAPI=3 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2186 if (dl_data->state[C_DCCH0] >= STATE_CONTENTION_RESOLUTION)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2187 { /*
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2188 * uplink SAPI=3 only if SAPI=0 is on contention resolution procedure
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2189 * or established or awaiting release
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2190 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2191 send = UPLINK_DCCH3;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2192 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2193 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2194
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2195 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2196 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2197 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2198 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2199 /* no special treatment of FACCH */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2200 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2201
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2202 /* return uplink frame buffer pointer dependent on the value of send */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2203 TRACE_EVENT_WIN_P4 ("%s on %s SAPI=%u RR_dedicated=%u",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2204 SEND_NAME[send], CH_TYPE_NAME[pcch->ch_type], sapi, dl_data->RR_dedicated);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2205
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2206 switch (send)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2207 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2208 case UPLINK_NORMAL:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2209 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2210
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2211 case UPLINK_UA:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2212 case UPLINK_UA_F:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2213 com_build_UA_response (pcch->ch_type, sapi, (UBYTE)((send EQ UPLINK_UA_F) ? 1 : 0));
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2214 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2215
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2216 case UPLINK_IFRAME:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2217 case UPLINK_IFRAME_P:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2218 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2219 UBYTE m_bit;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2220 UBYTE p_bit = (send EQ UPLINK_IFRAME_P) ? 1 : 0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2221 T_QUEUE *queue;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2222
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2223 if (pcch->ch_type EQ L2_CHANNEL_SACCH)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2224 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2225 sapi = PS_SAPI_3; /* acknowledged mode only for SAPI=3 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2226 TRACE_EVENT_WIN ("SACCH with I frame: acknowledged mode only for SAPI=3");
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2227 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2228
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2229 if (sapi EQ PS_SAPI_0)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2230 queue = &dl_data->dcch0_queue;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2231 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2232 queue = &dl_data->dcch3_queue;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2233
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2234 if (send EQ UPLINK_IFRAME)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2235 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2236 com_read_queue (pcch->ch_type, sapi, &m_bit);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2237 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2238 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2239 {/* TIMER_RECOVERY state -> repetition of the last frame */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2240 pcch->vs--;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2241 pcch->vs &= 7;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2242 pcch->p_bit_flag = 0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2243 m_bit = queue->m_bit; /* remember last m bit */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2244 TRACE_EVENT_WIN_P2 ("TIMER_RECOVERY state: decrement vs to %u, remember m=%u", pcch->vs, m_bit);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2245 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2246
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2247
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2248 com_build_I_command (pcch->ch_type, sapi, pcch->vs, pcch->vr,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2249 p_bit, m_bit, queue);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2250 pcch->vs++;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2251 pcch->vs &= 7;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2252 TRACE_EVENT_WIN_P4 ("%s SAPI=%u new vs=%u (pcch=%08x)",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2253 CH_TYPE_NAME[pcch->ch_type], sapi, pcch->vs, pcch);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2254 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2255 set_T200_counter (pcch, sapi);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2256 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2257
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2258 case UPLINK_RR:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2259 case UPLINK_RR_F:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2260 if (pcch->ch_type EQ L2_CHANNEL_SACCH)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2261 {/*
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2262 * There are some tests at the start of dl_uplink() to determine the right
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2263 * SAPI value for SACCH. But the resulting value may be wrong because of
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2264 * the priority arrangement according to 3GPP TS 04.05, section 4.2.2.
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2265 * In case the MS has to uplink a RR frame it is clear that
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2266 * L2 is in acknowledged mode and this can be done only with
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2267 * a SAPI value of 3 for SACCH.
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2268 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2269 sapi = PS_SAPI_3; /* acknowledged mode only for SAPI=3 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2270 TRACE_EVENT_WIN ("SACCH with supervisory frame: acknowledged mode only for SAPI=3");
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2271 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2272 com_build_RR_response (pcch->ch_type, sapi, pcch->vr,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2273 (UBYTE)((send EQ UPLINK_RR_F) ? 1 : 0));
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2274 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2275
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2276 case UPLINK_REJ:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2277 case UPLINK_REJ_F:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2278 if (pcch->ch_type EQ L2_CHANNEL_SACCH)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2279 {/*
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2280 * There are some tests at the start of dl_uplink() to determine the right
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2281 * SAPI value for SACCH. But the resulting value may be wrong because of
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2282 * the priority arrangement according to 3GPP TS 04.05, section 4.2.2.
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2283 * In case the MS has to uplink a REJ frame it is clear that
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2284 * L2 is in acknowledged mode and this can be done only with
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2285 * a SAPI value of 3 for SACCH.
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2286 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2287 sapi = PS_SAPI_3; /* acknowledged mode only for SAPI=3 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2288 TRACE_EVENT_WIN ("SACCH with supervisory frame: acknowledged mode only for SAPI=3");
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2289 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2290 com_build_REJ_response (pcch->ch_type, sapi, pcch->vr,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2291 (UBYTE)((send EQ UPLINK_REJ_F) ? 1 : 0));
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2292 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2293
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2294 case UPLINK_REPORT:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2295 if (dl_data->RR_dedicated)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2296 {/* measurement report only in RR dedicated mode */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2297 sacch0_send_data ();
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2298 com_l3trace (TRACE_UACK_UP, pcch->ch_type, (UBYTE *)p_l2_frame+5);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2299
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2300
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2301 /* no deleting of vtx!!! */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2302 return p_l2_frame;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2303 /* break; not necessary */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2304 }/* endif measurement report only in RR dedicated mode */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2305
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2306 /* else go through to UPLINK_EMPTY */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2307 /lint -fallthrough/
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2308
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2309 default:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2310 possible_reset_dcch0_ch_type();
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2311
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2312 /* check RR message with short PD, short L2 header type 1, format Bter */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2313 if ((dl_data->state[C_DCCH0] >= STATE_SUSPENDED) AND
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2314 dl_data->rr_short_pd_buffer.l_buf AND
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2315 (dl_data->rr_short_pd_ch_type EQ pcch->ch_type))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2316 { /* RR message with short PD, short L2 header type 1, format Bter */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2317 com_build_UI_Bter (pcch->ch_type);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2318 return p_l2_frame;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2319 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2320
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2321 if (((pcch->ch_type EQ L2_CHANNEL_FACCH_F) OR
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2322 (pcch->ch_type EQ L2_CHANNEL_FACCH_H))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2323 AND
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2324 ((no_signalling_mode NEQ SIG_ONLY)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2325 #if defined(DELAYED_SABM)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2326 OR
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2327 /* suppress UI frames if delayed SABM is pending
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2328 * (independent from signalling mode) */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2329 (dl_data->dcch0_sabm_flag NEQ NOT_PRESENT_8BIT)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2330 #endif /* DELAYED_SABM */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2331 #if defined(DELAYED_RELEASE_IND)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2332 OR
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2333 (dl_data->release_ind_ch_type NEQ NOT_PRESENT_8BIT)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2334 #endif /* DELAYED_RELEASE_IND */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2335 ))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2336 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2337 TRACE_EVENT_WIN ("UPLINK_NULL return");
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2338 return NULL;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2339 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2340 /* break; not necessary */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2341
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2342 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2343 T_RADIO_FRAME* empty_frame;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2344
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2345 TRACE_EVENT_WIN ("UPLINK_EMPTY return");
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2346 /* The use of one byte array instead of two T_RADIO_FRAME structures
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2347 * saves 21 byte. Casting is in this case the better way then two calls
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2348 * of memcpy.
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2349 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2350 if (pcch->ch_type EQ L2_CHANNEL_SACCH)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2351 empty_frame = (T_RADIO_FRAME*)(&l2_empty_frame[0]);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2352 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2353 empty_frame = (T_RADIO_FRAME*)(&l2_empty_frame[2]);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2354
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2355 ATRC (empty_frame, 23);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2356
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2357 return empty_frame;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2358 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2359 /* break; not necessary */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2360
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2361 case UPLINK_DCCH3:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2362 return dl_uplink (C_DCCH3, PS_SAPI_3, no_signalling_mode, TRUE);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2363 /* break; not necessary */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2364 }/* endswitch send */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2365
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2366
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2367 /*
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2368 * UPLINK_NORMAL, UPLINK_IFRAME (_P), UPLINK_UA (_F),
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2369 * UPLINK_RR (_F), UPLINK_REJ (_F)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2370 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2371 TRACE_EVENT_WIN_P5 ("%s SAPI=%u delete vtx=%s ->EMPTY_CMD (%s#%u)",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2372 CH_TYPE_NAME[pcch->ch_type], sapi, VTX_NAME[pcch->vtx], __FILE10__, __LINE__);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2373 pcch->vtx = EMPTY_CMD;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2374
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2375 possible_reset_dcch0_ch_type();
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2376
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2377 return p_l2_frame;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2378 }/* endfunc dl_uplink */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2379
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2380 static int uplink_idle (UBYTE channel, UBYTE sapi)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2381 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2382 GET_INSTANCE_DATA;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2383 T_CCH* pcch = &dl_data->cch[channel];
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2384 int ret = UPLINK_NORMAL;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2385 int ua_response = FALSE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2386
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2387 TRACE_EVENT_WIN_P3 ("uplink_idle(): %s %s SAPI=%d",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2388 PROCESS_NAME[channel], CH_TYPE_NAME[pcch->ch_type], sapi);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2389
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2390 switch (channel)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2391 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2392 case C_DCCH0:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2393 switch (pcch->vtx)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2394 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2395 case UA_CMD:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2396 ret = pcch->f_bit ? UPLINK_UA_F : UPLINK_UA;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2397 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2398 case DM_CMD:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2399 com_build_DM_response (pcch->ch_type, sapi, pcch->f_bit);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2400 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2401 default:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2402 ret = UPLINK_EMPTY;/* no SAPI=3 frame if DCCH0 is idle */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2403 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2404 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2405 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2406
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2407 case C_DCCH3:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2408 switch (pcch->vtx)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2409 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2410 case UA_CMD:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2411 ua_response = TRUE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2412 ret = pcch->f_bit ? UPLINK_UA_F : UPLINK_UA;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2413 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2414 case DM_CMD:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2415 com_build_DM_response (pcch->ch_type, PS_SAPI_3, 1);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2416 ret = UPLINK_NORMAL;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2417 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2418 default:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2419 ret = UPLINK_EMPTY;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2420 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2421 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2422 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2423 }/* endswitch channel */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2424
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2425 if (ua_response AND (ret EQ UPLINK_UA_F))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2426 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2427 drr_dl_establish_ind (pcch->ch_type, sapi,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2428 (UBYTE)(com_queue_awaiting_transmission (sapi) ? DL_UNSERVED : DL_ALL_DONE));
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2429 set_channel_state (channel, STATE_MULTIPLE_FRAME_ESTABLISHED);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2430 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2431
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2432 return ret;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2433 }/* endfunc uplink_idle */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2434
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2435 static int uplink_awaiting_establishment (UBYTE channel, UBYTE sapi,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2436 UBYTE no_signalling_mode)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2437 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2438 GET_INSTANCE_DATA;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2439 T_CCH* pcch = &dl_data->cch[channel];
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2440 int ret = UPLINK_NORMAL;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2441 int ua_response = FALSE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2442 int sabm_command = 0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2443
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2444 TRACE_EVENT_WIN_P3 ("uplink_awaiting_establishment(): %s %s SAPI=%d",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2445 PROCESS_NAME[channel], CH_TYPE_NAME[pcch->ch_type], sapi);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2446
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2447 if (pcch->time_flag)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2448 set_T200_counter (pcch, sapi);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2449
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2450 switch (channel)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2451 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2452 case C_DCCH0:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2453 if (pcch->vtx EQ SABM_CMD)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2454 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2455 if (pcch->contention_resolution)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2456 sabm_command = 2; /* com_build_SABM with L3 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2457 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2458 sabm_command = 1; /* com_build_SABM without L3 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2459 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2460 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2461 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2462 ret = UPLINK_EMPTY;/* no SAPI=0 frame is waiting transmission */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2463 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2464 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2465
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2466 case C_DCCH3:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2467 switch (pcch->vtx)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2468 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2469 case SABM_CMD:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2470 sabm_command = 1; /* com_build_SABM without L3 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2471 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2472 case UA_CMD:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2473 ua_response = TRUE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2474 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2475 case DM_CMD:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2476 com_build_DM_response (pcch->ch_type, sapi, pcch->f_bit);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2477 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2478 default:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2479 ret = UPLINK_EMPTY;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2480 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2481 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2482
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2483 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2484 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2485
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2486 if (ua_response)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2487 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2488 drr_dl_establish_cnf (pcch->ch_type, sapi);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2489 set_channel_state (channel, STATE_MULTIPLE_FRAME_ESTABLISHED);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2490
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2491 ret = pcch->f_bit ? UPLINK_UA_F : UPLINK_UA;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2492 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2493 else if (sabm_command)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2494 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2495 com_build_SABM(pcch->ch_type, sapi, sabm_command EQ 2);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2496 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2497
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2498 return ret;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2499 }/* endfunc uplink_awaiting_establishment */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2500
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2501 static int uplink_mfe (UBYTE channel, UBYTE sapi, UBYTE no_signalling_mode)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2502 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2503 GET_INSTANCE_DATA;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2504 T_CCH* pcch = &dl_data->cch[channel];
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2505 int ret = UPLINK_NORMAL;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2506
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2507 TRACE_EVENT_WIN_P6 ("uplink_mfe(): %s:%s SAPI=%d vtx=%s (vs=%u va+1=%u)",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2508 PROCESS_NAME[channel], CH_TYPE_NAME[pcch->ch_type], sapi,
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2509 VTX_NAME[pcch->vtx], pcch->vs, (pcch->va + 1)&7 );
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2510
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2511 if (pcch->time_flag)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2512 set_T200_counter (pcch, sapi);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2513
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2514 switch (pcch->vtx)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2515 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2516 case RR_CMD:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2517 if (pcch->f_bit_flag)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2518 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2519 ret = UPLINK_RR_F;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2520 pcch->f_bit_flag = 0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2521 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2522 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2523 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2524 if (!com_queue_awaiting_transmission (sapi))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2525 ret = UPLINK_RR;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2526 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2527 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2528 if (pcch->vs EQ ((pcch->va + 1)&7))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2529 ret = UPLINK_RR;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2530 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2531 ret = UPLINK_IFRAME;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2532 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2533 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2534 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2535
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2536 case UA_CMD:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2537 ret = pcch->f_bit ? UPLINK_UA_F : UPLINK_UA;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2538 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2539
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2540 case RR_RSP:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2541 ret = pcch->f_bit ? UPLINK_RR_F : UPLINK_RR;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2542 pcch->f_bit_flag = 0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2543 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2544
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2545 case REJ_CMD:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2546 ret = pcch->f_bit ? UPLINK_REJ_F : UPLINK_REJ;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2547 pcch->f_bit_flag = 0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2548 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2549
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2550 default: /* vtx = ELSE */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2551 switch (channel)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2552 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2553 case C_DCCH0:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2554 if (com_queue_awaiting_transmission (PS_SAPI_0)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2555 AND
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2556 (pcch->vs NEQ ((pcch->va + 1)&7)))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2557 ret = UPLINK_IFRAME;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2558 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2559 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2560 ret = UPLINK_EMPTY;/* no SAPI=0 frame is waiting transmission */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2561 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2562 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2563
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2564 case C_DCCH3:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2565 if (com_queue_awaiting_transmission (PS_SAPI_3))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2566 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2567 if (pcch->vs EQ ((pcch->va + 1)&7))
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2568 ret = UPLINK_EMPTY;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2569 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2570 ret = UPLINK_IFRAME;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2571 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2572 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2573 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2574 ret = dcch3_check_disc (UPLINK_EMPTY);/* no SAPI=3 frame is waiting transmission */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2575 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2576 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2577 }/* endswitch channel */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2578 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2579 }/* endswitch vtx */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2580
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2581
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2582 return ret;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2583 }/* endfunc uplink_mfe */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2584
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2585 static int uplink_timer_recovery (UBYTE channel, UBYTE sapi, UBYTE no_signalling_mode)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2586 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2587 GET_INSTANCE_DATA;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2588 T_CCH* pcch = &dl_data->cch[channel];
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2589 int ret = UPLINK_NORMAL;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2590
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2591 TRACE_EVENT_WIN_P3 ("uplink_timer_recovery(): %s %s SAPI=%d",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2592 PROCESS_NAME[channel], CH_TYPE_NAME[pcch->ch_type], sapi);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2593
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2594 if (pcch->time_flag)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2595 set_T200_counter (pcch, sapi);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2596
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2597 switch (pcch->vtx)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2598 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2599 case RR_CMD:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2600 if (pcch->f_bit_flag)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2601 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2602 ret = UPLINK_RR_F;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2603 pcch->f_bit_flag = 0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2604 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2605 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2606 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2607 if (pcch->p_bit_flag)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2608 ret = UPLINK_IFRAME_P;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2609 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2610 ret = UPLINK_RR;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2611 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2612 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2613
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2614 case UA_CMD:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2615 ret = pcch->f_bit ? UPLINK_UA_F : UPLINK_UA;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2616 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2617
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2618 case RR_RSP:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2619 ret = pcch->f_bit ? UPLINK_RR_F : UPLINK_RR;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2620 pcch->f_bit_flag = 0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2621 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2622
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2623 case REJ_CMD:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2624 ret = pcch->f_bit ? UPLINK_REJ_F : UPLINK_REJ;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2625 pcch->f_bit_flag = 0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2626 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2627
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2628 default: /* vtx = ELSE */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2629 TRACE_EVENT_WIN_P3 ("%s SAPI=%u vtx=%s",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2630 CH_TYPE_NAME[pcch->ch_type], sapi, VTX_NAME[pcch->vtx]);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2631
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2632 if (pcch->p_bit_flag)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2633 ret = UPLINK_IFRAME_P;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2634 else
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2635 switch (channel)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2636 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2637 case C_DCCH0:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2638 ret = UPLINK_EMPTY;/* no SAPI=0 frame is waiting transmission */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2639 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2640
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2641 case C_DCCH3:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2642 ret = dcch3_check_disc (UPLINK_EMPTY);/* no SAPI=3 frame is waiting transmission */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2643 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2644 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2645 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2646 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2647
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2648 #if 0 /* decrement first short before sending the frame */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2649 if (ret EQ UPLINK_IFRAME_P)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2650 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2651 pcch->vs--;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2652 pcch->vs &= 7;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2653 pcch->p_bit_flag = 0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2654 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2655 #endif /* 0 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2656 return ret;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2657 }/* endfunc uplink_timer_recovery */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2658
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2659 GLOBAL int uplink_awaiting_release (UBYTE channel, UBYTE sapi)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2660 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2661 GET_INSTANCE_DATA;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2662 T_CCH* pcch = &dl_data->cch[channel];
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2663 int ret = UPLINK_NORMAL;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2664
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2665 TRACE_EVENT_WIN_P3 ("uplink_awaiting_release(): %s %s SAPI=%d",
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2666 PROCESS_NAME[channel], CH_TYPE_NAME[pcch->ch_type], sapi);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2667
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2668 if (pcch->time_flag)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2669 set_T200_counter (pcch, sapi);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2670
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2671 switch (pcch->vtx)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2672 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2673 case DISC_CMD:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2674 /* DL_OFFLINE_TRACE (TRACE_DL_EVENT, channel, pcch->ch_type, "UL:Send DISC"); */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2675 com_build_DISC_command (pcch->ch_type, sapi, 1);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2676 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2677 case UA_CMD:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2678 set_channel_state (channel, STATE_IDLE_DL);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2679
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2680 #if defined(DELAYED_RELEASE_IND)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2681 switch (pcch->ch_type)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2682 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2683 #if defined(DL_FACCH_RELEASE_DELAY_VALUE) && (DL_FACCH_RELEASE_DELAY_VALUE > 0)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2684 case L2_CHANNEL_FACCH_F:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2685 case L2_CHANNEL_FACCH_H:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2686 /* delay DL RELEASE IND to RR for testcase 25.2.3 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2687 dl_data->release_ind_ch_type = pcch->ch_type;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2688 dl_data->release_ind_sapi = sapi;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2689 if (dl_data->release_ind_delay EQ 0)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2690 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2691 dl_data->release_ind_delay = DL_FACCH_RELEASE_DELAY_VALUE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2692 DL_OFFLINE_TRACE (TRACE_DL_EVENT, C_DCCH0, pcch->ch_type, "delay REL IND on FACCH");
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2693 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2694 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2695 #endif /* DL_FACCH_RELEASE_DELAY_VALUE */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2696 #if defined(DL_SDCCH_RELEASE_DELAY_VALUE) && (DL_SDCCH_RELEASE_DELAY_VALUE > 0)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2697 case L2_CHANNEL_SDCCH:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2698 /* delay DL RELEASE IND to RR for testcase 25.2.3 */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2699 dl_data->release_ind_ch_type = pcch->ch_type;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2700 dl_data->release_ind_sapi = sapi;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2701 if (dl_data->release_ind_delay EQ 0)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2702 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2703 dl_data->release_ind_delay = DL_SDCCH_RELEASE_DELAY_VALUE;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2704 DL_OFFLINE_TRACE (TRACE_DL_EVENT, channel, pcch->ch_type, "delay REL IND on SDCCH");
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2705 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2706 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2707 #endif /* DL_SDCCH_RELEASE_DELAY_VALUE */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2708 default:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2709 drr_dl_release_ind (pcch->ch_type, sapi, NOT_PRESENT_8BIT, TRUE);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2710 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2711 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2712 #else /* DELAYED_RELEASE_IND */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2713 drr_dl_release_ind (pcch->ch_type, sapi, NOT_PRESENT_8BIT, TRUE);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2714 #endif /* DELAYED_RELEASE_IND */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2715
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2716 #if defined(LATE_LEAVING_DEDICATED)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2717 com_leave_dedicated (pcch->ch_type);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2718 #endif /* LATE_LEAVING_DEDICATED */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2719 ret = UPLINK_UA_F;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2720 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2721
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2722 default:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2723 switch (pcch->ch_type)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2724 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2725 case L2_CHANNEL_SACCH:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2726 if (channel EQ C_DCCH0)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2727 ret = UPLINK_REPORT;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2728 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2729 default:
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2730 if (channel EQ C_DCCH0)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2731 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2732 pcch = &dl_data->cch[C_DCCH3];
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2733 if (pcch->time_flag)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2734 set_T200_counter (pcch, PS_SAPI_3);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2735 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2736 ret = UPLINK_EMPTY;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2737 break;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2738 }/* endswitch channel */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2739 }/* endswitch vtx */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2740
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2741 return ret;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2742 }/* endfunc uplink_awaiting_release */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2743
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2744 #if defined(CHECK_PCCHI)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2745 static void check_pcch_i (T_CCH_INTERN* pcch_i, int line)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2746 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2747 char buf[23];
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2748 int ret = 0;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2749
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2750 if (pcch_i EQ NULL)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2751 ret = -1;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2752 else if (pcch_i->pcch EQ NULL)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2753 ret = -2;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2754
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2755 if (ret)
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2756 {
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2757 sprintf (buf, "#%d pcch=NULL %d", line, -ret);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2758 DL_OFFLINE_TRACE (TRACE_DL_EVENT, TRACE_CH_UNKNOWN, 0,buf);
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2759 }
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2760
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2761 return ret;
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2762 }/* endfunc check_pcch_i */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2763 #endif /* CHECK_PCCHI */
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2764
27a4235405c6 src/g23m-gsm: import from LoCosto source Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2765 #endif /* DL_C */

FreeCalypso > hg > fc-magnetite

annotate src/g23m-gsm/dl/dl_state.c @ 521:f9125919bbe4