FreeCalypso > hg > fc-selenite
annotate src/g23m-gprs/sndcp/sndcp_ciap.c @ 78:95ef11e76c5b
src/cs/system/main/gcc: asm code pieced from Citrine
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Fri, 20 Jul 2018 06:46:56 +0000 |
parents | d393cd9bb723 |
children |
rev | line source |
---|---|
1
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1 /* |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2 +----------------------------------------------------------------------------- |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
3 | Project : GPRS (8441) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
4 | Modul : sndcp_ciap.c |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
5 +----------------------------------------------------------------------------- |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
6 | Copyright 2002 Texas Instruments Berlin, AG |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
7 | All rights reserved. |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
8 | |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
9 | This file is confidential and a trade secret of Texas |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
10 | Instruments Berlin, AG |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
11 | The receipt of or possession of this file does not convey |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
12 | any rights to reproduce or disclose its contents or to |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
13 | manufacture, use, or sell anything it may describe, in |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
14 | whole, or in part, without the specific written consent of |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
15 | Texas Instruments Berlin, AG. |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
16 +----------------------------------------------------------------------------- |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
17 | Purpose : This modul is part of the entity SNDCP and implements all |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
18 | functions to handles the incoming primitives as described in |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
19 | the SDL-documentation (CIA-statemachine) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
20 +----------------------------------------------------------------------------- |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
21 */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
22 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
23 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
24 #define ENTITY_SNDCP |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
25 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
26 /*==== INCLUDES =============================================================*/ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
27 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
28 #include "typedefs.h" /* to get Condat data types */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
29 #include "vsi.h" /* to get a lot of macros */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
30 #include "macdef.h" |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
31 #include "gsm.h" /* to get a lot of macros */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
32 #include "prim.h" /* to get the definitions of used SAP and directions */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
33 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
34 #include "dti.h" |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
35 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
36 #include "sndcp.h" /* to get the global entity definitions */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
37 #include "sndcp_f.h" /* to get the functions to access the global arrays*/ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
38 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
39 #include <string.h> /* to get memcpy() */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
40 #include "sndcp_mgf.h" /* to get the local functions of service mg */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
41 #include "sndcp_sus.h" /* to get signals to service su */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
42 #include "sndcp_suas.h"/* to get signals to service sua */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
43 #include "sndcp_sds.h" /* to get signals to service sd */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
44 #include "sndcp_sdas.h"/* to get signals to service sda */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
45 #include "sndcp_ciap.h" |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
46 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
47 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
48 /*==== CONST ================================================================*/ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
49 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
50 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
51 /*==== LOCAL VARS ===========================================================*/ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
52 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
53 /*==== PRIVATE FUNCTIONS ====================================================*/ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
54 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
55 /* |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
56 +------------------------------------------------------------------------------ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
57 | Function : cia_vj_decomp |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
58 +------------------------------------------------------------------------------ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
59 | Description : decompresses the TCP/IP header of the given packet |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
60 | (Van Jacobson algorithm). A part of this routine has been taken |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
61 | from implementation of University of California, Berkeley. |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
62 | |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
63 | Parameters : com_buf - received packet, packet length, packet type |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
64 | |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
65 | Return : new packet length |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
66 | |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
67 +------------------------------------------------------------------------------ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
68 */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
69 #ifndef CF_FAST_EXEC |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
70 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
71 LOCAL USHORT cia_vj_decomp(struct comp_buf *cbuf) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
72 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
73 struct slcompress *comp = &sndcp_data->cia.comp; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
74 UBYTE *cp; /* pointer to the compressed TCP/IP packet */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
75 UBYTE hlen = 0; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
76 ULONG change_mask = 0; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
77 T_SNDCP_TCP_HEADER *th; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
78 struct cstate *cs; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
79 ULONG tmp; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
80 USHORT th_off; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
81 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
82 TRACE_FUNCTION( "cia_vj_decomp" ); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
83 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
84 switch (cbuf->p_type) { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
85 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
86 case TYPE_UNCOMPRESSED_TCP: |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
87 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
88 UBYTE *hdr_ptr = (UBYTE*)cbuf->c_hdr; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
89 UBYTE slot_nr = hdr_ptr[9]; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
90 if (slot_nr >= sndcp_data->cia.comp.slots_to_use){ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
91 TRACE_EVENT_P2("ERROR DECOMP: slot_nr(%d) > slots_to_use(%d)", |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
92 slot_nr, sndcp_data->cia.comp.slots_to_use); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
93 comp->flags |= SLF_TOSS; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
94 return (0); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
95 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
96 /* set last received state */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
97 comp->last_recv = slot_nr; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
98 /* get related compressed state */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
99 cs = &comp->rstate[comp->last_recv]; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
100 /* clear toss flag */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
101 comp->flags &=~ SLF_TOSS; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
102 /* set protocol type to TCP/IP */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
103 hdr_ptr[9] = PROT_TCPIP; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
104 /* get IP header length */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
105 hlen = hdr_ptr[0] & HL_MASK; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
106 /* get TCP header */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
107 th_off = hdr_ptr[hlen*4 + 12]; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
108 th_off = (th_off & 0xf0) >> 4; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
109 /* calculate IP+TCP header length */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
110 hlen += th_off; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
111 hlen <<= 2; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
112 /* copy TCP+IP header */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
113 memcpy(cs->cs_ip, hdr_ptr, hlen); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
114 cs->cs_ip->ip_sum = 0; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
115 cs->cs_hlen = hlen; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
116 return ((USHORT)cbuf->pack_len); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
117 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
118 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
119 case TYPE_COMPRESSED_TCP: |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
120 break; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
121 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
122 default: |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
123 comp->flags |= SLF_TOSS; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
124 TRACE_EVENT_P1("ERROR DECOMP unknown packet type (%d)", cbuf->p_type); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
125 return (0); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
126 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
127 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
128 /* We've got a compressed packet. */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
129 cp = (UBYTE *)cbuf->c_hdr; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
130 change_mask = *cp++; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
131 if (change_mask & NEW_C) { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
132 /* Make sure the state index is in range, then grab the state. |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
133 * If we have a good state index, clear the 'discard' flag. */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
134 if (*cp >= sndcp_data->cia.comp.slots_to_use){ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
135 comp->flags |= SLF_TOSS; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
136 return (0); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
137 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
138 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
139 comp->flags &=~ SLF_TOSS; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
140 /* store connection number */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
141 comp->last_recv = *cp++; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
142 } else { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
143 /* this packet has an implicit state index. If we've |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
144 * had a line error since the last time we got an |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
145 * explicit state index, we have to toss the packet. */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
146 if (comp->flags & SLF_TOSS) { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
147 return (0); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
148 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
149 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
150 /* get related connection state */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
151 cs = &comp->rstate[comp->last_recv]; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
152 /* get IP header length */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
153 hlen = (cs->cs_ip->ip_vhl & HL_MASK) << 2; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
154 /* get TCP header */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
155 th = (T_SNDCP_TCP_HEADER *)&((UBYTE *)cs->cs_ip)[hlen]; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
156 /* store new TCP check sum */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
157 th->th_sum = sndcp_swap2((USHORT)((*cp << 8) | cp[1])); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
158 cp += 2; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
159 /* check if push bit is set */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
160 if (change_mask & TCP_PUSH_BIT) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
161 th->th_flags |= TH_PUSH; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
162 else |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
163 th->th_flags &=~ TH_PUSH; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
164 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
165 switch (change_mask & SPECIALS_MASK) { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
166 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
167 case SPECIAL_I: |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
168 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
169 ULONG deltaL = sndcp_swap2(cs->cs_ip->ip_len) - cs->cs_hlen; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
170 th->th_ack = sndcp_swap4(sndcp_swap4(th->th_ack) + deltaL); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
171 th->th_seq = sndcp_swap4(sndcp_swap4(th->th_seq) + deltaL); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
172 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
173 break; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
174 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
175 case SPECIAL_D: |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
176 th->th_seq = sndcp_swap4(sndcp_swap4(th->th_seq) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
177 + sndcp_swap2(cs->cs_ip->ip_len) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
178 - cs->cs_hlen); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
179 break; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
180 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
181 /* no special case */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
182 default: |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
183 /* urgend data field */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
184 if (change_mask & NEW_U) { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
185 th->th_flags |= TH_URG; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
186 if (*cp == 0) { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
187 th->th_urp = sndcp_swap2((USHORT)((cp[1] << 8) | cp[2])); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
188 cp += 3; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
189 } else { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
190 th->th_urp = sndcp_swap2((USHORT)((ULONG)*cp++)); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
191 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
192 } else { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
193 th->th_flags &=~ TH_URG; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
194 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
195 /* |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
196 * window size |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
197 */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
198 if (change_mask & NEW_W){ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
199 if (*cp == 0) { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
200 th->th_win = sndcp_swap2((USHORT)(sndcp_swap2(th->th_win) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
201 + ((cp[1] << 8) | cp[2]))); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
202 cp += 3; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
203 } else { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
204 th->th_win = sndcp_swap2((USHORT)(sndcp_swap2(th->th_win) + (ULONG)*cp++)); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
205 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
206 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
207 /* |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
208 * acknowledgement number |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
209 */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
210 if (change_mask & NEW_A){ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
211 if (*cp == 0) { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
212 th->th_ack = sndcp_swap4(sndcp_swap4(th->th_ack) + ((cp[1] << 8) | cp[2])); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
213 cp += 3; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
214 } else { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
215 th->th_ack = sndcp_swap4(sndcp_swap4(th->th_ack) + (ULONG)*cp++); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
216 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
217 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
218 /* |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
219 * sequence number |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
220 */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
221 if (change_mask & NEW_S){ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
222 if (*cp == 0) { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
223 (th->th_seq) = sndcp_swap4(sndcp_swap4(th->th_seq) + ((cp[1] << 8) | cp[2])); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
224 cp += 3; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
225 } else { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
226 (th->th_seq) = sndcp_swap4(sndcp_swap4(th->th_seq) + (ULONG)*cp++); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
227 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
228 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
229 break; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
230 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
231 /* |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
232 * packet ID |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
233 */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
234 if (change_mask & NEW_I) { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
235 if (*cp == 0) { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
236 cs->cs_ip->ip_id = sndcp_swap2((USHORT)(sndcp_swap2(cs->cs_ip->ip_id) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
237 + ((cp[1] << 8) | cp[2]))); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
238 cp += 3; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
239 } else { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
240 cs->cs_ip->ip_id = sndcp_swap2((USHORT)(sndcp_swap2(cs->cs_ip->ip_id) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
241 + (ULONG)*cp++)); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
242 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
243 } else |
d393cd9bb723
src/g23m-*: initial import from Magnetite
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)); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
245 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
246 /* |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
247 * At this point, cp points to the first byte of data in the |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
248 * packet. If we're not aligned on a 4-byte boundary, copy the |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
249 * data down so the ip & tcp headers will be aligned. Then back up |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
250 * cp by the tcp/ip header length to make room for the reconstructed |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
251 * header (we assume the packet we were handed has enough space to |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
252 * prepend 120 bytes of header). Adjust the length to account for |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
253 * the new header & fill in the IP total length. |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
254 */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
255 tmp = cp - (UBYTE*)cbuf->c_hdr; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
256 cbuf->pack_len -= cp - (UBYTE*)cbuf->c_hdr; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
257 if ((UBYTE*)cbuf->c_hdr > cp){ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
258 /* we must have dropped some characters (crc should detect |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
259 * this but the old slip framing won't) */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
260 comp->flags |= SLF_TOSS; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
261 return (0); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
262 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
263 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
264 cbuf->c_hdr += tmp; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
265 cbuf->hdr_len -= (USHORT)tmp; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
266 tmp = (ULONG)cp & 3; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
267 if (tmp) { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
268 if (cbuf->pack_len > 0) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
269 memcpy(cp - tmp, cp, cbuf->hdr_len); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
270 cbuf->c_hdr -= tmp; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
271 cp -= tmp; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
272 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
273 cbuf->c_hdr -= cs->cs_hlen; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
274 cp -= cs->cs_hlen; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
275 cbuf->hdr_len += cs->cs_hlen; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
276 cbuf->pack_len += cs->cs_hlen; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
277 cs->cs_ip->ip_len = sndcp_swap2(cbuf->pack_len); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
278 memcpy(cp, cs->cs_ip, cs->cs_hlen); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
279 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
280 /* recompute the ip header checksum */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
281 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
282 USHORT *bp = (USHORT *)cp; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
283 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
284 for (change_mask = 0; hlen > 0; hlen -= 2) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
285 change_mask += *bp++; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
286 change_mask = (change_mask & 0xffff) + (change_mask >> 16); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
287 change_mask = (change_mask & 0xffff) + (change_mask >> 16); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
288 ((T_SNDCP_IP_HEADER *)cp)->ip_sum = ~ (USHORT)change_mask; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
289 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
290 return (cbuf->pack_len); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
291 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
292 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
293 #endif /* CF_FAST_EXEC */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
294 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
295 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
296 /* |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
297 +------------------------------------------------------------------------------ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
298 | Function : cia_header_decomp |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
299 +------------------------------------------------------------------------------ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
300 | Description : de-compresses the TCP/IP header of the given packet |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
301 | (Van Jacobson algorithm) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
302 | |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
303 | Parameters : packet as desc_list, packet_type |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
304 | |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
305 +------------------------------------------------------------------------------ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
306 */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
307 #ifndef CF_FAST_EXEC |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
308 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
309 #ifdef _SNDCP_DTI_2_ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
310 GLOBAL void cia_header_decomp(T_desc_list2* desc_list, UBYTE* packet_type) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
311 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
312 #else /*_SNDCP_DTI_2_*/ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
313 GLOBAL void cia_header_decomp(T_desc_list* desc_list, UBYTE* packet_type) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
314 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
315 #endif /*_SNDCP_DTI_2_*/ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
316 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
317 struct comp_buf cbuf; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
318 /* the length of decompressed header + payload */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
319 USHORT decomp_len; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
320 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
321 #ifdef _SNDCP_DTI_2_ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
322 T_desc2* desc = (T_desc2*) desc_list->first; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
323 T_desc2* decomp_desc; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
324 U8 *desc_buff = &desc->buffer[desc->offset]; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
325 #else |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
326 T_desc* desc = (T_desc*) desc_list->first; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
327 T_desc* decomp_desc; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
328 U8 *desc_buff = &desc->buffer[0]; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
329 #endif |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
330 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
331 TRACE_FUNCTION( "cia_header_decomp" ); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
332 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
333 #ifdef SNDCP_TRACE_BUFFER |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
334 TRACE_EVENT("INFO DECOMP: Input Packet"); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
335 sndcp_trace_desc_list(desc_list); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
336 #endif /* SNDCP_TRACE_BUFFER */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
337 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
338 switch(*packet_type) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
339 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
340 /* |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
341 * packet type IP: do nothing |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
342 */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
343 case TYPE_IP: |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
344 TRACE_EVENT("INFO DECOMP: TYPE_IP"); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
345 *packet_type = TYPE_IP; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
346 break; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
347 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
348 /* |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
349 * packet type uncompressed TCP |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
350 */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
351 case TYPE_UNCOMPRESSED_TCP: |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
352 TRACE_EVENT("INFO DECOMP: TYPE_UNCOMPRESSED_TCP"); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
353 cbuf.c_hdr = (ULONG)&desc_buff[0]; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
354 cbuf.hdr_len = desc->len; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
355 cbuf.pack_len = desc_list->list_len; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
356 cbuf.p_type = *packet_type; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
357 decomp_len = cia_vj_decomp(&cbuf); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
358 if(decomp_len == 0) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
359 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
360 TRACE_EVENT("ERROR DECOMP: decomp_len = 0, TYPE_ERROR"); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
361 *packet_type = TYPE_ERROR; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
362 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
363 else |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
364 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
365 *packet_type = TYPE_IP; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
366 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
367 break; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
368 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
369 /* |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
370 * packet type compressed TCP |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
371 */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
372 case TYPE_COMPRESSED_TCP: |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
373 TRACE_EVENT("INFO DECOMP: TYPE_COMPRESSED_TCP"); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
374 /* |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
375 * Because we don't know the length of compressed TCP/IP header, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
376 * we have to copy max. 40 bytes, wich sure contain compressed |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
377 * header + maybe some payload bytes. |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
378 */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
379 cbuf.hdr_len = (desc->len < 40) ? desc->len : 40; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
380 cbuf.c_hdr = (ULONG)&sndcp_data->cia.comp. |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
381 tcpip_hdr[TMP_HDR_LEN-1-cbuf.hdr_len]; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
382 cbuf.pack_len = desc_list->list_len; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
383 cbuf.p_type = *packet_type; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
384 memcpy((UBYTE*)cbuf.c_hdr, &desc_buff[0], cbuf.hdr_len); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
385 decomp_len = cia_vj_decomp(&cbuf); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
386 if(decomp_len != 0) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
387 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
388 /* |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
389 * Build destination descriptor list |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
390 */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
391 USHORT offset = cbuf.pack_len - desc_list->list_len; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
392 #ifdef _SNDCP_DTI_2_ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
393 MALLOC(decomp_desc, (USHORT)(sizeof(T_desc2) - 1 + desc->len + offset)); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
394 #else |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
395 MALLOC(decomp_desc, (USHORT)(sizeof(T_desc) - 1 + desc->len + offset)); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
396 #endif |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
397 /* copy compressed header + piece of data */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
398 memcpy(&decomp_desc->buffer[0], (UBYTE*)cbuf.c_hdr, cbuf.hdr_len); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
399 /* copy the rest of data */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
400 memcpy(&decomp_desc->buffer[cbuf.hdr_len], |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
401 &desc->buffer[cbuf.hdr_len-offset], |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
402 desc->len-cbuf.hdr_len+offset); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
403 decomp_desc->next = desc->next; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
404 decomp_desc->len = desc->len + offset; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
405 #ifdef _SNDCP_DTI_2_ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
406 decomp_desc->size = desc->size + offset; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
407 decomp_desc->offset = desc->offset; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
408 #endif |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
409 desc_list->first = (ULONG)decomp_desc; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
410 desc_list->list_len = desc_list->list_len - desc->len + decomp_desc->len; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
411 MFREE(desc); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
412 *packet_type = TYPE_IP; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
413 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
414 else |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
415 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
416 TRACE_EVENT("ERROR DECOMP: decomp_len = 0, TYPE_ERROR"); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
417 *packet_type = TYPE_ERROR; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
418 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
419 break; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
420 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
421 default: |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
422 TRACE_EVENT_P1("ERROR DECOMP: unexpected packet type: %d", packet_type); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
423 *packet_type = TYPE_ERROR; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
424 break; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
425 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
426 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
427 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
428 } /* cia_header_decomp() */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
429 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
430 #endif /* CF_FAST_EXEC */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
431 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
432 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
433 /*==== PUBLIC FUNCTIONS =====================================================*/ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
434 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
435 /* |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
436 +------------------------------------------------------------------------------ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
437 | Function : cia_cia_decomp_ind |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
438 +------------------------------------------------------------------------------ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
439 | Description : Handles the primitive CIA_DECOMP_IND |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
440 | |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
441 | Parameters : *cia_decomp_ind - Ptr to primitive payload |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
442 | |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
443 +------------------------------------------------------------------------------ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
444 */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
445 #ifndef CF_FAST_EXEC |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
446 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
447 GLOBAL void cia_cia_decomp_ind ( T_CIA_DECOMP_IND *cia_decomp_ind ) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
448 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
449 UBYTE nsapi = cia_decomp_ind->pdu_ref.ref_nsapi; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
450 BOOL ack = FALSE; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
451 BOOL compressed = FALSE; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
452 UBYTE pcomp = cia_decomp_ind->pcomp; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
453 UBYTE pntt = 0; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
454 UBYTE sapi = 0; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
455 BOOL pcomp_ok = FALSE; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
456 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
457 #ifndef _SNDCP_DTI_2_ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
458 T_desc_list temp_desc_list; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
459 #endif /*_SNDCP_DTI_2_*/ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
460 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
461 UBYTE p_id = DTI_PID_IP; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
462 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
463 TRACE_FUNCTION( "cia_cia_decomp_ind" ); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
464 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
465 #ifdef SNDCP_TRACE_ALL |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
466 TRACE_EVENT_P1("cia_decomp_ind->pcomp: %02x", cia_decomp_ind->pcomp); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
467 #endif /* SNDCP_TRACE_ALL */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
468 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
469 /* |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
470 * Is nsapi in ack mode? |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
471 */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
472 sndcp_get_nsapi_ack(nsapi, &ack); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
473 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
474 switch( GET_STATE(CIA) ) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
475 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
476 case CIA_DEFAULT: |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
477 sndcp_is_nsapi_header_compressed(nsapi, &compressed); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
478 /* |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
479 * Only compress if pcomp in sn pdu is assigned to context. |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
480 */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
481 sndcp_get_nsapi_sapi(nsapi, &sapi); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
482 mg_get_sapi_pcomp_pntt(sapi, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
483 pcomp, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
484 &pntt); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
485 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
486 mg_get_sapi_pntt_nsapi(sapi, pntt, nsapi, &pcomp_ok); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
487 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
488 if (compressed && pcomp_ok && pcomp != 0) { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
489 UBYTE packet_type = TYPE_COMPRESSED_TCP; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
490 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
491 if (pcomp == sndcp_data->cia.cur_xid_block.vj.pcomp1) { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
492 packet_type = TYPE_UNCOMPRESSED_TCP; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
493 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
494 #ifndef _SNDCP_DTI_2_ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
495 temp_desc_list.list_len = cia_decomp_ind->desc_list2.list_len; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
496 temp_desc_list.first = cia_decomp_ind->desc_list2.first; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
497 cia_header_decomp(&temp_desc_list1, &packet_type); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
498 cia_decomp_ind->desc_list2.list_len = temp_desc_list.list_len; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
499 cia_decomp_ind->desc_list2.first = temp_desc_list.first; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
500 #else /*_SNDCP_DTI_2_*/ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
501 cia_header_decomp(&cia_decomp_ind->desc_list2, &packet_type); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
502 #endif /*_SNDCP_DTI_2_*/ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
503 if (packet_type != TYPE_IP) { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
504 #ifdef SNDCP_TRACE_ALL |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
505 sndcp_data->cia.cia_decomp_ind_number[nsapi] --; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
506 TRACE_EVENT_P1("number of cia_decomp_ind: % d", |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
507 sndcp_data->cia.cia_decomp_ind_number[nsapi]); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
508 #endif /* SNDCP_TRACE_ALL */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
509 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
510 MFREE_PRIM(cia_decomp_ind); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
511 cia_decomp_ind = NULL; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
512 /* |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
513 * Corupted segment, request next one. |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
514 */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
515 TRACE_EVENT("WARNING DECOMP: Corupted segment, request next one!"); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
516 if (ack) { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
517 sig_cia_sda_getdata(sapi, nsapi); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
518 } else { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
519 sig_cia_sd_getunitdata(sapi, nsapi); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
520 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
521 return; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
522 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
523 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
524 /* |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
525 * Is the cnf for sd or sda? |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
526 */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
527 if (ack) { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
528 sig_cia_sda_cia_decomp_ind(cia_decomp_ind, p_id); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
529 } else { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
530 sig_cia_sd_cia_decomp_ind(cia_decomp_ind, p_id); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
531 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
532 break; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
533 default: |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
534 TRACE_ERROR( "CIA_DECOMP_IND unexpected" ); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
535 MFREE_PRIM(cia_decomp_ind); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
536 break; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
537 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
538 } /* cia_cia_decomp_ind() */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
539 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
540 #endif /* CF_FAST_EXEC */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
541 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
542 /* |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
543 +------------------------------------------------------------------------------ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
544 | Function : cia_cia_comp_ind |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
545 +------------------------------------------------------------------------------ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
546 | Description : Handles the primitive CIA_COMP_IND |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
547 | |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
548 | Parameters : *cia_comp_ind - Ptr to primitive payload |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
549 | |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
550 +------------------------------------------------------------------------------ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
551 */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
552 #ifndef CF_FAST_EXEC |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
553 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
554 GLOBAL void cia_cia_comp_ind ( T_CIA_COMP_IND *cia_comp_ind ) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
555 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
556 UBYTE nsapi = cia_comp_ind->pdu_ref.ref_nsapi; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
557 BOOL ack = FALSE; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
558 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
559 TRACE_FUNCTION( "cia_cia_comp_ind" ); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
560 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
561 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
562 #ifdef SNDCP_TRACE_ALL |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
563 switch (cia_comp_ind->packet_type) { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
564 case TYPE_IP: |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
565 TRACE_EVENT_P2("cia_comp_ind->packet_type: %02x (%s)", |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
566 cia_comp_ind->packet_type, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
567 "TYPE_IP"); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
568 break; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
569 case TYPE_UNCOMPRESSED_TCP: |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
570 TRACE_EVENT_P2("cia_comp_ind->packet_type: %02x (%s)", |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
571 cia_comp_ind->packet_type, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
572 "TYPE_UNCOMPRESSED_TCP"); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
573 break; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
574 case TYPE_COMPRESSED_TCP: |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
575 TRACE_EVENT_P2("cia_comp_ind->packet_type: %02x (%s)", |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
576 cia_comp_ind->packet_type, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
577 "TYPE_COMPRESSED_TCP"); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
578 break; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
579 case TYPE_ERROR: |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
580 TRACE_EVENT_P2("cia_comp_ind->packet_type: %02x (%s)", |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
581 cia_comp_ind->packet_type, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
582 "TYPE_ERROR"); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
583 break; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
584 default: |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
585 TRACE_EVENT_P2("cia_comp_ind->packet_type: %02x (%s)", |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
586 cia_comp_ind->packet_type, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
587 "unknown"); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
588 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
589 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
590 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
591 #endif /* SNDCP_TRACE_ALL */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
592 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
593 switch( GET_STATE(CIA) ) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
594 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
595 case CIA_DEFAULT: |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
596 /* |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
597 * Is the cnf for su or sua? |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
598 */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
599 sndcp_get_nsapi_ack(nsapi, &ack); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
600 if (ack) { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
601 sig_cia_sua_cia_comp_ind(cia_comp_ind); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
602 } else { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
603 sig_cia_su_cia_comp_ind(cia_comp_ind); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
604 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
605 break; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
606 default: |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
607 TRACE_ERROR( "CIA_CIA_COMP_IND unexpected" ); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
608 sndcp_cl_desc3_free((T_desc3*)cia_comp_ind->desc_list3.first); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
609 MFREE(cia_comp_ind); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
610 break; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
611 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
612 } /* cia_cia_comp_ind() */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
613 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
614 #endif /* CF_FAST_EXEC */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
615 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
616 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
617 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
618 |