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

annotate src/g23m-gprs/sndcp/sndcp_ciap.c @ 570:855b3c5bb4b5

.../cst/cst_exts.c: tab indentation fixes

author	Mychaela Falconia <falcon@freecalypso.org>
date	Sat, 12 Jan 2019 22:53:46 +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 @ 570:855b3c5bb4b5