fc-magnetite: src/g23m-gprs/sndcp/sndcp

annotate src/g23m-gprs/sndcp/sndcp_ciap.c @ 686:59f07d67eb45

luna target split into luna1 and luna2 luna1 is FC Luna based on iWOW DSK v4.0 or v5.0 motherboard luna2 is FC Luna based on FC Caramel2 MB

author	Mychaela Falconia <falcon@freecalypso.org>
date	Mon, 12 Oct 2020 18:51:24 +0000
parents	219afcfc6250
children

rev	line source
183 219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1 /*
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2 +-----------------------------------------------------------------------------
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	3 \| Project : GPRS (8441)
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	4 \| Modul : sndcp_ciap.c
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	5 +-----------------------------------------------------------------------------
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	6 \| Copyright 2002 Texas Instruments Berlin, AG
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	7 \| All rights reserved.
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	8 \|
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	9 \| This file is confidential and a trade secret of Texas
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	10 \| Instruments Berlin, AG
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	11 \| The receipt of or possession of this file does not convey
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	12 \| any rights to reproduce or disclose its contents or to
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	13 \| manufacture, use, or sell anything it may describe, in
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	14 \| whole, or in part, without the specific written consent of
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	15 \| Texas Instruments Berlin, AG.
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	16 +-----------------------------------------------------------------------------
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	17 \| Purpose : This modul is part of the entity SNDCP and implements all
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	18 \| functions to handles the incoming primitives as described in
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	19 \| the SDL-documentation (CIA-statemachine)
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	20 +-----------------------------------------------------------------------------
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	21 */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	22
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	23
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	24 #define ENTITY_SNDCP
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	25
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	26 /==== INCLUDES =============================================================/
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	27
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	28 #include "typedefs.h" /* to get Condat data types */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	29 #include "vsi.h" /* to get a lot of macros */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	30 #include "macdef.h"
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	31 #include "gsm.h" /* to get a lot of macros */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	32 #include "prim.h" /* to get the definitions of used SAP and directions */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	33
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	34 #include "dti.h"
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	35
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	36 #include "sndcp.h" /* to get the global entity definitions */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	37 #include "sndcp_f.h" /* to get the functions to access the global arrays*/
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	38
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	39 #include <string.h> /* to get memcpy() */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	40 #include "sndcp_mgf.h" /* to get the local functions of service mg */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	41 #include "sndcp_sus.h" /* to get signals to service su */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	42 #include "sndcp_suas.h"/* to get signals to service sua */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	43 #include "sndcp_sds.h" /* to get signals to service sd */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	44 #include "sndcp_sdas.h"/* to get signals to service sda */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	45 #include "sndcp_ciap.h"
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	46
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	47
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	48 /==== CONST ================================================================/
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	49
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	50
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	51 /==== LOCAL VARS ===========================================================/
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	52
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	53 /==== PRIVATE FUNCTIONS ====================================================/
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	54
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	55 /*
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	56 +------------------------------------------------------------------------------
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	57 \| Function : cia_vj_decomp
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	58 +------------------------------------------------------------------------------
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	59 \| Description : decompresses the TCP/IP header of the given packet
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	60 \| (Van Jacobson algorithm). A part of this routine has been taken
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	61 \| from implementation of University of California, Berkeley.
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	62 \|
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	63 \| Parameters : com_buf - received packet, packet length, packet type
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	64 \|
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	65 \| Return : new packet length
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	66 \|
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	67 +------------------------------------------------------------------------------
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	68 */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	69 #ifndef CF_FAST_EXEC
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	70
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	71 LOCAL USHORT cia_vj_decomp(struct comp_buf *cbuf)
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	72 {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	73 struct slcompress *comp = &sndcp_data->cia.comp;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	74 UBYTE cp; / pointer to the compressed TCP/IP packet */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	75 UBYTE hlen = 0;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	76 ULONG change_mask = 0;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	77 T_SNDCP_TCP_HEADER *th;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	78 struct cstate *cs;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	79 ULONG tmp;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	80 USHORT th_off;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	81
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	82 TRACE_FUNCTION( "cia_vj_decomp" );
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	83
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	84 switch (cbuf->p_type) {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	85
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	86 case TYPE_UNCOMPRESSED_TCP:
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	87 {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	88 UBYTE hdr_ptr = (UBYTE)cbuf->c_hdr;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	89 UBYTE slot_nr = hdr_ptr[9];
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	90 if (slot_nr >= sndcp_data->cia.comp.slots_to_use){
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	91 TRACE_EVENT_P2("ERROR DECOMP: slot_nr(%d) > slots_to_use(%d)",
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	92 slot_nr, sndcp_data->cia.comp.slots_to_use);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	93 comp->flags \|= SLF_TOSS;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	94 return (0);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	95 }
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	96 /* set last received state */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	97 comp->last_recv = slot_nr;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	98 /* get related compressed state */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	99 cs = &comp->rstate[comp->last_recv];
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	100 /* clear toss flag */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	101 comp->flags &=~ SLF_TOSS;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	102 /* set protocol type to TCP/IP */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	103 hdr_ptr[9] = PROT_TCPIP;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	104 /* get IP header length */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	105 hlen = hdr_ptr[0] & HL_MASK;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	106 /* get TCP header */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	107 th_off = hdr_ptr[hlen*4 + 12];
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	108 th_off = (th_off & 0xf0) >> 4;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	109 /* calculate IP+TCP header length */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	110 hlen += th_off;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	111 hlen <<= 2;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	112 /* copy TCP+IP header */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	113 memcpy(cs->cs_ip, hdr_ptr, hlen);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	114 cs->cs_ip->ip_sum = 0;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	115 cs->cs_hlen = hlen;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	116 return ((USHORT)cbuf->pack_len);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	117 }
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	118
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	119 case TYPE_COMPRESSED_TCP:
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	120 break;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	121
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	122 default:
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	123 comp->flags \|= SLF_TOSS;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	124 TRACE_EVENT_P1("ERROR DECOMP unknown packet type (%d)", cbuf->p_type);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	125 return (0);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	126 }
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	127
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	128 /* We've got a compressed packet. */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	129 cp = (UBYTE *)cbuf->c_hdr;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	130 change_mask = *cp++;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	131 if (change_mask & NEW_C) {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	132 /* Make sure the state index is in range, then grab the state.
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	133 * If we have a good state index, clear the 'discard' flag. */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	134 if (*cp >= sndcp_data->cia.comp.slots_to_use){
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	135 comp->flags \|= SLF_TOSS;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	136 return (0);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	137 }
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	138
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	139 comp->flags &=~ SLF_TOSS;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	140 /* store connection number */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	141 comp->last_recv = *cp++;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	142 } else {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	143 /* this packet has an implicit state index. If we've
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	144 * had a line error since the last time we got an
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	145 * explicit state index, we have to toss the packet. */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	146 if (comp->flags & SLF_TOSS) {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	147 return (0);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	148 }
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	149 }
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	150 /* get related connection state */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	151 cs = &comp->rstate[comp->last_recv];
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	152 /* get IP header length */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	153 hlen = (cs->cs_ip->ip_vhl & HL_MASK) << 2;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	154 /* get TCP header */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	155 th = (T_SNDCP_TCP_HEADER )&((UBYTE )cs->cs_ip)[hlen];
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	156 /* store new TCP check sum */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	157 th->th_sum = sndcp_swap2((USHORT)((*cp << 8) \| cp[1]));
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	158 cp += 2;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	159 /* check if push bit is set */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	160 if (change_mask & TCP_PUSH_BIT)
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	161 th->th_flags \|= TH_PUSH;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	162 else
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	163 th->th_flags &=~ TH_PUSH;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	164
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	165 switch (change_mask & SPECIALS_MASK) {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	166
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	167 case SPECIAL_I:
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	168 {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	169 ULONG deltaL = sndcp_swap2(cs->cs_ip->ip_len) - cs->cs_hlen;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	170 th->th_ack = sndcp_swap4(sndcp_swap4(th->th_ack) + deltaL);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	171 th->th_seq = sndcp_swap4(sndcp_swap4(th->th_seq) + deltaL);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	172 }
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	173 break;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	174
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	175 case SPECIAL_D:
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	176 th->th_seq = sndcp_swap4(sndcp_swap4(th->th_seq)
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	177 + sndcp_swap2(cs->cs_ip->ip_len)
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	178 - cs->cs_hlen);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	179 break;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	180
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	181 /* no special case */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	182 default:
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	183 /* urgend data field */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	184 if (change_mask & NEW_U) {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	185 th->th_flags \|= TH_URG;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	186 if (*cp == 0) {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	187 th->th_urp = sndcp_swap2((USHORT)((cp[1] << 8) \| cp[2]));
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	188 cp += 3;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	189 } else {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	190 th->th_urp = sndcp_swap2((USHORT)((ULONG)*cp++));
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	191 }
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	192 } else {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	193 th->th_flags &=~ TH_URG;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	194 }
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	195 /*
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	196 * window size
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	197 */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	198 if (change_mask & NEW_W){
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	199 if (*cp == 0) {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	200 th->th_win = sndcp_swap2((USHORT)(sndcp_swap2(th->th_win)
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	201 + ((cp[1] << 8) \| cp[2])));
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	202 cp += 3;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	203 } else {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	204 th->th_win = sndcp_swap2((USHORT)(sndcp_swap2(th->th_win) + (ULONG)*cp++));
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	205 }
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	206 }
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	207 /*
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	208 * acknowledgement number
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	209 */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	210 if (change_mask & NEW_A){
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	211 if (*cp == 0) {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	212 th->th_ack = sndcp_swap4(sndcp_swap4(th->th_ack) + ((cp[1] << 8) \| cp[2]));
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	213 cp += 3;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	214 } else {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	215 th->th_ack = sndcp_swap4(sndcp_swap4(th->th_ack) + (ULONG)*cp++);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	216 }
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	217 }
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	218 /*
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	219 * sequence number
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	220 */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	221 if (change_mask & NEW_S){
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	222 if (*cp == 0) {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	223 (th->th_seq) = sndcp_swap4(sndcp_swap4(th->th_seq) + ((cp[1] << 8) \| cp[2]));
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	224 cp += 3;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	225 } else {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	226 (th->th_seq) = sndcp_swap4(sndcp_swap4(th->th_seq) + (ULONG)*cp++);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	227 }
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	228 }
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	229 break;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	230 }
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	231 /*
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	232 * packet ID
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	233 */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	234 if (change_mask & NEW_I) {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	235 if (*cp == 0) {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	236 cs->cs_ip->ip_id = sndcp_swap2((USHORT)(sndcp_swap2(cs->cs_ip->ip_id)
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	237 + ((cp[1] << 8) \| cp[2])));
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	238 cp += 3;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	239 } else {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	240 cs->cs_ip->ip_id = sndcp_swap2((USHORT)(sndcp_swap2(cs->cs_ip->ip_id)
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	241 + (ULONG)*cp++));
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	242 }
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	243 } else
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	244 cs->cs_ip->ip_id = sndcp_swap2((USHORT)(sndcp_swap2(cs->cs_ip->ip_id) + 1));
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	245
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	246 /*
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	247 * At this point, cp points to the first byte of data in the
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	248 * packet. If we're not aligned on a 4-byte boundary, copy the
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	249 * data down so the ip & tcp headers will be aligned. Then back up
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	250 * cp by the tcp/ip header length to make room for the reconstructed
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	251 * header (we assume the packet we were handed has enough space to
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	252 * prepend 120 bytes of header). Adjust the length to account for
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	253 * the new header & fill in the IP total length.
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	254 */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	255 tmp = cp - (UBYTE*)cbuf->c_hdr;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	256 cbuf->pack_len -= cp - (UBYTE*)cbuf->c_hdr;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	257 if ((UBYTE*)cbuf->c_hdr > cp){
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	258 /* we must have dropped some characters (crc should detect
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	259 * this but the old slip framing won't) */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	260 comp->flags \|= SLF_TOSS;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	261 return (0);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	262 }
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	263
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	264 cbuf->c_hdr += tmp;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	265 cbuf->hdr_len -= (USHORT)tmp;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	266 tmp = (ULONG)cp & 3;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	267 if (tmp) {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	268 if (cbuf->pack_len > 0)
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	269 memcpy(cp - tmp, cp, cbuf->hdr_len);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	270 cbuf->c_hdr -= tmp;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	271 cp -= tmp;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	272 }
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	273 cbuf->c_hdr -= cs->cs_hlen;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	274 cp -= cs->cs_hlen;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	275 cbuf->hdr_len += cs->cs_hlen;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	276 cbuf->pack_len += cs->cs_hlen;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	277 cs->cs_ip->ip_len = sndcp_swap2(cbuf->pack_len);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	278 memcpy(cp, cs->cs_ip, cs->cs_hlen);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	279
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	280 /* recompute the ip header checksum */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	281 {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	282 USHORT bp = (USHORT )cp;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	283
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	284 for (change_mask = 0; hlen > 0; hlen -= 2)
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	285 change_mask += *bp++;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	286 change_mask = (change_mask & 0xffff) + (change_mask >> 16);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	287 change_mask = (change_mask & 0xffff) + (change_mask >> 16);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	288 ((T_SNDCP_IP_HEADER *)cp)->ip_sum = ~ (USHORT)change_mask;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	289 }
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	290 return (cbuf->pack_len);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	291 }
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	292
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	293 #endif /* CF_FAST_EXEC */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	294
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	295
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	296 /*
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	297 +------------------------------------------------------------------------------
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	298 \| Function : cia_header_decomp
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	299 +------------------------------------------------------------------------------
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	300 \| Description : de-compresses the TCP/IP header of the given packet
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	301 \| (Van Jacobson algorithm)
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	302 \|
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	303 \| Parameters : packet as desc_list, packet_type
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	304 \|
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	305 +------------------------------------------------------------------------------
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	306 */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	307 #ifndef CF_FAST_EXEC
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	308
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	309 #ifdef _SNDCP_DTI_2_
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	310 GLOBAL void cia_header_decomp(T_desc_list2* desc_list, UBYTE* packet_type)
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	311 {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	312 #else /_SNDCP_DTI_2_/
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	313 GLOBAL void cia_header_decomp(T_desc_list* desc_list, UBYTE* packet_type)
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	314 {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	315 #endif /_SNDCP_DTI_2_/
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	316
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	317 struct comp_buf cbuf;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	318 /* the length of decompressed header + payload */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	319 USHORT decomp_len;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	320
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	321 #ifdef _SNDCP_DTI_2_
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	322 T_desc2* desc = (T_desc2*) desc_list->first;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	323 T_desc2* decomp_desc;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	324 U8 *desc_buff = &desc->buffer[desc->offset];
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	325 #else
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	326 T_desc* desc = (T_desc*) desc_list->first;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	327 T_desc* decomp_desc;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	328 U8 *desc_buff = &desc->buffer[0];
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	329 #endif
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	330
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	331 TRACE_FUNCTION( "cia_header_decomp" );
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	332
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	333 #ifdef SNDCP_TRACE_BUFFER
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	334 TRACE_EVENT("INFO DECOMP: Input Packet");
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	335 sndcp_trace_desc_list(desc_list);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	336 #endif /* SNDCP_TRACE_BUFFER */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	337
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	338 switch(*packet_type)
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	339 {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	340 /*
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	341 * packet type IP: do nothing
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	342 */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	343 case TYPE_IP:
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	344 TRACE_EVENT("INFO DECOMP: TYPE_IP");
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	345 *packet_type = TYPE_IP;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	346 break;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	347
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	348 /*
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	349 * packet type uncompressed TCP
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	350 */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	351 case TYPE_UNCOMPRESSED_TCP:
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	352 TRACE_EVENT("INFO DECOMP: TYPE_UNCOMPRESSED_TCP");
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	353 cbuf.c_hdr = (ULONG)&desc_buff[0];
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	354 cbuf.hdr_len = desc->len;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	355 cbuf.pack_len = desc_list->list_len;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	356 cbuf.p_type = *packet_type;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	357 decomp_len = cia_vj_decomp(&cbuf);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	358 if(decomp_len == 0)
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	359 {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	360 TRACE_EVENT("ERROR DECOMP: decomp_len = 0, TYPE_ERROR");
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	361 *packet_type = TYPE_ERROR;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	362 }
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	363 else
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	364 {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	365 *packet_type = TYPE_IP;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	366 }
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	367 break;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	368
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	369 /*
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	370 * packet type compressed TCP
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	371 */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	372 case TYPE_COMPRESSED_TCP:
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	373 TRACE_EVENT("INFO DECOMP: TYPE_COMPRESSED_TCP");
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	374 /*
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	375 * Because we don't know the length of compressed TCP/IP header,
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	376 * we have to copy max. 40 bytes, wich sure contain compressed
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	377 * header + maybe some payload bytes.
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	378 */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	379 cbuf.hdr_len = (desc->len < 40) ? desc->len : 40;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	380 cbuf.c_hdr = (ULONG)&sndcp_data->cia.comp.
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	381 tcpip_hdr[TMP_HDR_LEN-1-cbuf.hdr_len];
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	382 cbuf.pack_len = desc_list->list_len;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	383 cbuf.p_type = *packet_type;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	384 memcpy((UBYTE*)cbuf.c_hdr, &desc_buff[0], cbuf.hdr_len);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	385 decomp_len = cia_vj_decomp(&cbuf);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	386 if(decomp_len != 0)
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	387 {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	388 /*
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	389 * Build destination descriptor list
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	390 */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	391 USHORT offset = cbuf.pack_len - desc_list->list_len;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	392 #ifdef _SNDCP_DTI_2_
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	393 MALLOC(decomp_desc, (USHORT)(sizeof(T_desc2) - 1 + desc->len + offset));
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	394 #else
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	395 MALLOC(decomp_desc, (USHORT)(sizeof(T_desc) - 1 + desc->len + offset));
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	396 #endif
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	397 /* copy compressed header + piece of data */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	398 memcpy(&decomp_desc->buffer[0], (UBYTE*)cbuf.c_hdr, cbuf.hdr_len);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	399 /* copy the rest of data */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	400 memcpy(&decomp_desc->buffer[cbuf.hdr_len],
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	401 &desc->buffer[cbuf.hdr_len-offset],
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	402 desc->len-cbuf.hdr_len+offset);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	403 decomp_desc->next = desc->next;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	404 decomp_desc->len = desc->len + offset;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	405 #ifdef _SNDCP_DTI_2_
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	406 decomp_desc->size = desc->size + offset;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	407 decomp_desc->offset = desc->offset;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	408 #endif
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	409 desc_list->first = (ULONG)decomp_desc;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	410 desc_list->list_len = desc_list->list_len - desc->len + decomp_desc->len;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	411 MFREE(desc);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	412 *packet_type = TYPE_IP;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	413 }
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	414 else
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	415 {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	416 TRACE_EVENT("ERROR DECOMP: decomp_len = 0, TYPE_ERROR");
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	417 *packet_type = TYPE_ERROR;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	418 }
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	419 break;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	420
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	421 default:
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	422 TRACE_EVENT_P1("ERROR DECOMP: unexpected packet type: %d", packet_type);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	423 *packet_type = TYPE_ERROR;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	424 break;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	425
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	426 }
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	427
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	428 } /* cia_header_decomp() */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	429
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	430 #endif /* CF_FAST_EXEC */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	431
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	432
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	433 /==== PUBLIC FUNCTIONS =====================================================/
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	434
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	435 /*
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	436 +------------------------------------------------------------------------------
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	437 \| Function : cia_cia_decomp_ind
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	438 +------------------------------------------------------------------------------
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	439 \| Description : Handles the primitive CIA_DECOMP_IND
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	440 \|
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	441 \| Parameters : *cia_decomp_ind - Ptr to primitive payload
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	442 \|
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	443 +------------------------------------------------------------------------------
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	444 */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	445 #ifndef CF_FAST_EXEC
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	446
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	447 GLOBAL void cia_cia_decomp_ind ( T_CIA_DECOMP_IND *cia_decomp_ind )
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	448 {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	449 UBYTE nsapi = cia_decomp_ind->pdu_ref.ref_nsapi;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	450 BOOL ack = FALSE;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	451 BOOL compressed = FALSE;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	452 UBYTE pcomp = cia_decomp_ind->pcomp;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	453 UBYTE pntt = 0;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	454 UBYTE sapi = 0;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	455 BOOL pcomp_ok = FALSE;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	456
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	457 #ifndef _SNDCP_DTI_2_
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	458 T_desc_list temp_desc_list;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	459 #endif /_SNDCP_DTI_2_/
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	460
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	461 UBYTE p_id = DTI_PID_IP;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	462
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	463 TRACE_FUNCTION( "cia_cia_decomp_ind" );
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	464
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	465 #ifdef SNDCP_TRACE_ALL
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	466 TRACE_EVENT_P1("cia_decomp_ind->pcomp: %02x", cia_decomp_ind->pcomp);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	467 #endif /* SNDCP_TRACE_ALL */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	468
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	469 /*
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	470 * Is nsapi in ack mode?
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	471 */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	472 sndcp_get_nsapi_ack(nsapi, &ack);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	473
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	474 switch( GET_STATE(CIA) )
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	475 {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	476 case CIA_DEFAULT:
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	477 sndcp_is_nsapi_header_compressed(nsapi, &compressed);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	478 /*
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	479 * Only compress if pcomp in sn pdu is assigned to context.
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	480 */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	481 sndcp_get_nsapi_sapi(nsapi, &sapi);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	482 mg_get_sapi_pcomp_pntt(sapi,
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	483 pcomp,
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	484 &pntt);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	485
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	486 mg_get_sapi_pntt_nsapi(sapi, pntt, nsapi, &pcomp_ok);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	487
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	488 if (compressed && pcomp_ok && pcomp != 0) {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	489 UBYTE packet_type = TYPE_COMPRESSED_TCP;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	490
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	491 if (pcomp == sndcp_data->cia.cur_xid_block.vj.pcomp1) {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	492 packet_type = TYPE_UNCOMPRESSED_TCP;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	493 }
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	494 #ifndef _SNDCP_DTI_2_
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	495 temp_desc_list.list_len = cia_decomp_ind->desc_list2.list_len;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	496 temp_desc_list.first = cia_decomp_ind->desc_list2.first;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	497 cia_header_decomp(&temp_desc_list1, &packet_type);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	498 cia_decomp_ind->desc_list2.list_len = temp_desc_list.list_len;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	499 cia_decomp_ind->desc_list2.first = temp_desc_list.first;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	500 #else /_SNDCP_DTI_2_/
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	501 cia_header_decomp(&cia_decomp_ind->desc_list2, &packet_type);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	502 #endif /_SNDCP_DTI_2_/
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	503 if (packet_type != TYPE_IP) {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	504 #ifdef SNDCP_TRACE_ALL
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	505 sndcp_data->cia.cia_decomp_ind_number[nsapi] --;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	506 TRACE_EVENT_P1("number of cia_decomp_ind: % d",
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	507 sndcp_data->cia.cia_decomp_ind_number[nsapi]);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	508 #endif /* SNDCP_TRACE_ALL */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	509
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	510 MFREE_PRIM(cia_decomp_ind);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	511 cia_decomp_ind = NULL;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	512 /*
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	513 * Corupted segment, request next one.
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	514 */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	515 TRACE_EVENT("WARNING DECOMP: Corupted segment, request next one!");
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	516 if (ack) {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	517 sig_cia_sda_getdata(sapi, nsapi);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	518 } else {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	519 sig_cia_sd_getunitdata(sapi, nsapi);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	520 }
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	521 return;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	522 }
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	523 }
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	524 /*
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	525 * Is the cnf for sd or sda?
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	526 */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	527 if (ack) {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	528 sig_cia_sda_cia_decomp_ind(cia_decomp_ind, p_id);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	529 } else {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	530 sig_cia_sd_cia_decomp_ind(cia_decomp_ind, p_id);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	531 }
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	532 break;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	533 default:
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	534 TRACE_ERROR( "CIA_DECOMP_IND unexpected" );
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	535 MFREE_PRIM(cia_decomp_ind);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	536 break;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	537 }
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	538 } /* cia_cia_decomp_ind() */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	539
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	540 #endif /* CF_FAST_EXEC */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	541
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	542 /*
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	543 +------------------------------------------------------------------------------
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	544 \| Function : cia_cia_comp_ind
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	545 +------------------------------------------------------------------------------
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	546 \| Description : Handles the primitive CIA_COMP_IND
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	547 \|
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	548 \| Parameters : *cia_comp_ind - Ptr to primitive payload
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	549 \|
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	550 +------------------------------------------------------------------------------
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	551 */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	552 #ifndef CF_FAST_EXEC
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	553
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	554 GLOBAL void cia_cia_comp_ind ( T_CIA_COMP_IND *cia_comp_ind )
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	555 {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	556 UBYTE nsapi = cia_comp_ind->pdu_ref.ref_nsapi;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	557 BOOL ack = FALSE;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	558
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	559 TRACE_FUNCTION( "cia_cia_comp_ind" );
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	560
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	561
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	562 #ifdef SNDCP_TRACE_ALL
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	563 switch (cia_comp_ind->packet_type) {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	564 case TYPE_IP:
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	565 TRACE_EVENT_P2("cia_comp_ind->packet_type: %02x (%s)",
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	566 cia_comp_ind->packet_type,
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	567 "TYPE_IP");
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	568 break;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	569 case TYPE_UNCOMPRESSED_TCP:
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	570 TRACE_EVENT_P2("cia_comp_ind->packet_type: %02x (%s)",
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	571 cia_comp_ind->packet_type,
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	572 "TYPE_UNCOMPRESSED_TCP");
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	573 break;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	574 case TYPE_COMPRESSED_TCP:
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	575 TRACE_EVENT_P2("cia_comp_ind->packet_type: %02x (%s)",
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	576 cia_comp_ind->packet_type,
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	577 "TYPE_COMPRESSED_TCP");
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	578 break;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	579 case TYPE_ERROR:
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	580 TRACE_EVENT_P2("cia_comp_ind->packet_type: %02x (%s)",
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	581 cia_comp_ind->packet_type,
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	582 "TYPE_ERROR");
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	583 break;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	584 default:
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	585 TRACE_EVENT_P2("cia_comp_ind->packet_type: %02x (%s)",
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	586 cia_comp_ind->packet_type,
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	587 "unknown");
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	588
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	589
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	590 }
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	591 #endif /* SNDCP_TRACE_ALL */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	592
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	593 switch( GET_STATE(CIA) )
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	594 {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	595 case CIA_DEFAULT:
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	596 /*
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	597 * Is the cnf for su or sua?
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	598 */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	599 sndcp_get_nsapi_ack(nsapi, &ack);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	600 if (ack) {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	601 sig_cia_sua_cia_comp_ind(cia_comp_ind);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	602 } else {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	603 sig_cia_su_cia_comp_ind(cia_comp_ind);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	604 }
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	605 break;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	606 default:
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	607 TRACE_ERROR( "CIA_CIA_COMP_IND unexpected" );
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	608 sndcp_cl_desc3_free((T_desc3*)cia_comp_ind->desc_list3.first);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	609 MFREE(cia_comp_ind);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	610 break;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	611 }
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	612 } /* cia_cia_comp_ind() */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	613
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	614 #endif /* CF_FAST_EXEC */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	615
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	616
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	617
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	618

FreeCalypso > hg > fc-magnetite

annotate src/g23m-gprs/sndcp/sndcp_ciap.c @ 686:59f07d67eb45