* Routines for SNA
* Gilbert Ramirez <gram@xiexie.org>
*
- * $Id: packet-sna.c,v 1.29 2001/06/02 22:18:17 gram Exp $
+ * $Id: packet-sna.c,v 1.31 2001/07/03 04:56:46 guy Exp $
*
* Ethereal - Network traffic analyzer
- * By Gerald Combs <gerald@zing.org>
+ * By Gerald Combs <gerald@ethereal.com>
* Copyright 1998 Gerald Combs
- *
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
static int dissect_fid0_1 (tvbuff_t*, packet_info*, proto_tree*);
static int dissect_fid2 (tvbuff_t*, packet_info*, proto_tree*);
static int dissect_fid3 (tvbuff_t*, proto_tree*);
-static int dissect_fid4 (tvbuff_t*, proto_tree*);
+static int dissect_fid4 (tvbuff_t*, packet_info*, proto_tree*);
static int dissect_fid5 (tvbuff_t*, proto_tree*);
static int dissect_fidf (tvbuff_t*, proto_tree*);
static void dissect_rh (tvbuff_t*, int, proto_tree*);
th_header_len = dissect_fid3(tvb, th_tree);
break;
case 0x4:
- th_header_len = dissect_fid4(tvb, th_tree);
+ th_header_len = dissect_fid4(tvb, pinfo, th_tree);
break;
case 0x5:
th_header_len = dissect_fid5(tvb, th_tree);
static int
-dissect_fid4(tvbuff_t *tvb, proto_tree *tree)
+dissect_fid4(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
proto_tree *bf_tree;
proto_item *bf_item;
/* Addresses in FID 4 are discontiguous, sigh */
dst.saf = dsaf;
dst.ef = def;
- SET_ADDRESS(&pi.net_dst, AT_SNA, SNA_FID_TYPE_4_ADDR_LEN, (guint8* )&dst);
- SET_ADDRESS(&pi.dst, AT_SNA, SNA_FID_TYPE_4_ADDR_LEN, (guint8 *)&dst);
+ SET_ADDRESS(&pinfo->net_dst, AT_SNA, SNA_FID_TYPE_4_ADDR_LEN, (guint8* )&dst);
+ SET_ADDRESS(&pinfo->dst, AT_SNA, SNA_FID_TYPE_4_ADDR_LEN, (guint8 *)&dst);
oef = tvb_get_ntohs(tvb, 20);
/* Addresses in FID 4 are discontiguous, sigh */
src.saf = osaf;
src.ef = oef;
- SET_ADDRESS(&pi.net_src, AT_SNA, SNA_FID_TYPE_4_ADDR_LEN, (guint8 *)&src);
- SET_ADDRESS(&pi.src, AT_SNA, SNA_FID_TYPE_4_ADDR_LEN, (guint8 *)&src);
+ SET_ADDRESS(&pinfo->net_src, AT_SNA, SNA_FID_TYPE_4_ADDR_LEN, (guint8 *)&src);
+ SET_ADDRESS(&pinfo->src, AT_SNA, SNA_FID_TYPE_4_ADDR_LEN, (guint8 *)&src);
if (tree) {
proto_tree_add_item(tree, hf_sna_th_snf, tvb, offset+4, 2, FALSE);
static hf_register_info hf[] = {
{ &hf_sna_th,
{ "Transmission Header", "sna.th", FT_NONE, BASE_NONE, NULL, 0x0,
- "" }},
+ "", HFILL }},
{ &hf_sna_th_0,
{ "Transmission Header Byte 0", "sna.th.0", FT_UINT8, BASE_HEX, NULL, 0x0,
"Byte 0 of Tranmission Header contains FID, MPF, ODAI,"
- " and EFI as bitfields." }},
+ " and EFI as bitfields.", HFILL }},
{ &hf_sna_th_fid,
{ "Format Identifer", "sna.th.fid", FT_UINT8, BASE_HEX, VALS(sna_th_fid_vals), 0xf0,
- "Format Identification" }},
+ "Format Identification", HFILL }},
{ &hf_sna_th_mpf,
{ "Mapping Field", "sna.th.mpf", FT_UINT8, BASE_DEC, VALS(sna_th_mpf_vals), 0x0c,
"The Mapping Field specifies whether the information field"
- " associated with the TH is a complete or partial BIU." }},
+ " associated with the TH is a complete or partial BIU.", HFILL }},
{ &hf_sna_th_odai,
{ "ODAI Assignment Indicator", "sna.th.odai", FT_UINT8, BASE_DEC, NULL, 0x02,
"The ODAI indicates which node assigned the OAF'-DAF' values"
- " carried in the TH." }},
+ " carried in the TH.", HFILL }},
{ &hf_sna_th_efi,
{ "Expedited Flow Indicator", "sna.th.efi", FT_UINT8, BASE_DEC, VALS(sna_th_efi_vals), 0x01,
"The EFI designates whether the PIU belongs to the normal"
- " or expedited flow." }},
+ " or expedited flow.", HFILL }},
{ &hf_sna_th_daf,
{ "Destination Address Field", "sna.th.daf", FT_UINT16, BASE_HEX, NULL, 0x0,
- "" }},
+ "", HFILL }},
{ &hf_sna_th_oaf,
{ "Origin Address Field", "sna.th.oaf", FT_UINT16, BASE_HEX, NULL, 0x0,
- "" }},
+ "", HFILL }},
{ &hf_sna_th_snf,
{ "Sequence Number Field", "sna.th.snf", FT_UINT16, BASE_DEC, NULL, 0x0,
"The Sequence Number Field contains a numerical identifier for"
- " the associated BIU."}},
+ " the associated BIU.", HFILL }},
{ &hf_sna_th_dcf,
{ "Data Count Field", "sna.th.dcf", FT_UINT16, BASE_DEC, NULL, 0x0,
"A binary count of the number of bytes in the BIU or BIU segment associated "
"with the tranmission header. The count does not include any of the bytes "
- "in the transmission header."}},
+ "in the transmission header.", HFILL }},
{ &hf_sna_th_lsid,
{ "Local Session Identification", "sna.th.lsid", FT_UINT8, BASE_HEX, NULL, 0x0,
- "" }},
+ "", HFILL }},
{ &hf_sna_th_tg_sweep,
{ "Transmission Group Sweep", "sna.th.tg_sweep", FT_UINT8, BASE_DEC,
VALS(sna_th_tg_sweep_vals), 0x08,
- "" }},
+ "", HFILL }},
{ &hf_sna_th_er_vr_supp_ind,
{ "ER and VR Support Indicator", "sna.th.er_vr_supp_ind", FT_UINT8, BASE_DEC,
VALS(sna_th_er_vr_supp_ind_vals), 0x04,
- "" }},
+ "", HFILL }},
{ &hf_sna_th_vr_pac_cnt_ind,
{ "Virtual Route Pacing Count Indicator", "sna.th.vr_pac_cnt_ind",
FT_UINT8, BASE_DEC, VALS(sna_th_vr_pac_cnt_ind_vals), 0x02,
- "" }},
+ "", HFILL }},
{ &hf_sna_th_ntwk_prty,
{ "Network Priority", "sna.th.ntwk_prty",
FT_UINT8, BASE_DEC, VALS(sna_th_ntwk_prty_vals), 0x01,
- "" }},
+ "", HFILL }},
{ &hf_sna_th_tgsf,
{ "Transmission Group Segmenting Field", "sna.th.tgsf",
FT_UINT8, BASE_HEX, VALS(sna_th_tgsf_vals), 0xc0,
- "" }},
+ "", HFILL }},
{ &hf_sna_th_mft,
{ "MPR FID4 Type", "sna.th.mft", FT_BOOLEAN, BASE_NONE, NULL, 0x04,
- "" }},
+ "", HFILL }},
{ &hf_sna_th_piubf,
{ "PIU Blocking Field", "sna.th.piubf", FT_UINT8, BASE_HEX,
VALS(sna_th_piubf_vals), 0x03,
- "Specifies whether this frame contains a single PIU or multiple PIUs." }},
+ "Specifies whether this frame contains a single PIU or multiple PIUs.", HFILL }},
{ &hf_sna_th_iern,
{ "Initial Explicit Route Number", "sna.th.iern", FT_UINT8, BASE_DEC, NULL, 0xf0,
- "" }},
+ "", HFILL }},
{ &hf_sna_th_nlpoi,
{ "NLP Offset Indicator", "sna.th.nlpoi", FT_UINT8, BASE_DEC,
VALS(sna_th_nlpoi_vals), 0x80,
- "" }},
+ "", HFILL }},
{ &hf_sna_th_nlp_cp,
{ "NLP Count or Padding", "sna.th.nlp_cp", FT_UINT8, BASE_DEC, NULL, 0x70,
- "" }},
+ "", HFILL }},
{ &hf_sna_th_ern,
{ "Explicit Route Number", "sna.th.ern", FT_UINT8, BASE_DEC, NULL, 0x0f,
- "The ERN in a TH identifies an explicit route direction of flow." }},
+ "The ERN in a TH identifies an explicit route direction of flow.", HFILL }},
{ &hf_sna_th_vrn,
{ "Virtual Route Number", "sna.th.vrn", FT_UINT8, BASE_DEC, NULL, 0xf0,
- "" }},
+ "", HFILL }},
{ &hf_sna_th_tpf,
{ "Transmission Priority Field", "sna.th.tpf", FT_UINT8, BASE_HEX,
VALS(sna_th_tpf_vals), 0x03,
- "" }},
+ "", HFILL }},
{ &hf_sna_th_vr_cwi,
{ "Virtual Route Change Window Indicator", "sna.th.vr_cwi", FT_UINT16, BASE_DEC,
VALS(sna_th_vr_cwi_vals), 0x8000,
- "Used to change the window size of the virtual route by 1." }},
+ "Used to change the window size of the virtual route by 1.", HFILL }},
{ &hf_sna_th_tg_nonfifo_ind,
{ "Transmission Group Non-FIFO Indicator", "sna.th.tg_nonfifo_ind", FT_BOOLEAN, 16,
TFS(&sna_th_tg_nonfifo_ind_truth), 0x4000,
"Indicates whether or not FIFO discipline is to enforced in "
"transmitting PIUs through the tranmission groups to prevent the PIUs "
- "getting out of sequence during transmission over the TGs." }},
+ "getting out of sequence during transmission over the TGs.", HFILL }},
{ &hf_sna_th_vr_sqti,
{ "Virtual Route Sequence and Type Indicator", "sna.th.vr_sqti", FT_UINT16, BASE_HEX,
VALS(sna_th_vr_sqti_vals), 0x3000,
- "Specifies the PIU type." }},
+ "Specifies the PIU type.", HFILL }},
{ &hf_sna_th_tg_snf,
{ "Transmission Group Sequence Number Field", "sna.th.tg_snf", FT_UINT16, BASE_DEC,
NULL, 0x0fff,
- "" }},
+ "", HFILL }},
{ &hf_sna_th_vrprq,
{ "Virtual Route Pacing Request", "sna.th.vrprq", FT_BOOLEAN, 16,
TFS(&sna_th_vrprq_truth), 0x8000,
- "" }},
+ "", HFILL }},
{ &hf_sna_th_vrprs,
{ "Virtual Route Pacing Response", "sna.th.vrprs", FT_BOOLEAN, 16,
TFS(&sna_th_vrprs_truth), 0x4000,
- "" }},
+ "", HFILL }},
{ &hf_sna_th_vr_cwri,
{ "Virtual Route Change Window Reply Indicator", "sna.th.vr_cwri", FT_UINT16, BASE_DEC,
VALS(sna_th_vr_cwri_vals), 0x2000,
"Permits changing of the window size by 1 for PIUs received by the "
- "sender of this bit." }},
+ "sender of this bit.", HFILL }},
{ &hf_sna_th_vr_rwi,
{ "Virtual Route Reset Window Indicator", "sna.th.vr_rwi", FT_BOOLEAN, 16,
TFS(&sna_th_vr_rwi_truth), 0x1000,
- "Indicates severe congestion in a node on the virtual route." }},
+ "Indicates severe congestion in a node on the virtual route.", HFILL }},
{ &hf_sna_th_vr_snf_send,
{ "Virtual Route Send Sequence Number Field", "sna.th.vr_snf_send", FT_UINT16, BASE_DEC,
NULL, 0x0fff,
- "" }},
+ "", HFILL }},
{ &hf_sna_th_dsaf,
{ "Destination Subarea Address Field", "sna.th.dsaf", FT_UINT32, BASE_HEX, NULL, 0x0,
- "" }},
+ "", HFILL }},
{ &hf_sna_th_osaf,
{ "Origin Subarea Address Field", "sna.th.osaf", FT_UINT32, BASE_HEX, NULL, 0x0,
- "" }},
+ "", HFILL }},
{ &hf_sna_th_snai,
{ "SNA Indicator", "sna.th.snai", FT_BOOLEAN, 8, NULL, 0x10,
"Used to identify whether the PIU originated or is destined for "
- "an SNA or non-SNA device." }},
+ "an SNA or non-SNA device.", HFILL }},
{ &hf_sna_th_def,
{ "Destination Element Field", "sna.th.def", FT_UINT16, BASE_HEX, NULL, 0x0,
- "" }},
+ "", HFILL }},
{ &hf_sna_th_oef,
{ "Origin Element Field", "sna.th.oef", FT_UINT16, BASE_HEX, NULL, 0x0,
- "" }},
+ "", HFILL }},
{ &hf_sna_th_sa,
{ "Session Address", "sna.th.sa", FT_BYTES, BASE_HEX, NULL, 0x0,
- "" }},
+ "", HFILL }},
{ &hf_sna_th_cmd_fmt,
{ "Command Format", "sna.th.cmd_fmt", FT_UINT8, BASE_HEX, NULL, 0x0,
- "" }},
+ "", HFILL }},
{ &hf_sna_th_cmd_type,
{ "Command Type", "sna.th.cmd_type", FT_UINT8, BASE_HEX, NULL, 0x0,
- "" }},
+ "", HFILL }},
{ &hf_sna_th_cmd_sn,
{ "Command Sequence Number", "sna.th.cmd_sn", FT_UINT16, BASE_DEC, NULL, 0x0,
- "" }},
+ "", HFILL }},
{ &hf_sna_rh,
{ "Request/Response Header", "sna.rh", FT_NONE, BASE_NONE, NULL, 0x0,
- "" }},
+ "", HFILL }},
{ &hf_sna_rh_0,
{ "Request/Response Header Byte 0", "sna.rh.0", FT_UINT8, BASE_HEX, NULL, 0x0,
- "" }},
+ "", HFILL }},
{ &hf_sna_rh_1,
{ "Request/Response Header Byte 1", "sna.rh.1", FT_UINT8, BASE_HEX, NULL, 0x0,
- "" }},
+ "", HFILL }},
{ &hf_sna_rh_2,
{ "Request/Response Header Byte 2", "sna.rh.2", FT_UINT8, BASE_HEX, NULL, 0x0,
- "" }},
+ "", HFILL }},
{ &hf_sna_rh_rri,
{ "Request/Response Indicator", "sna.rh.rri", FT_UINT8, BASE_DEC, VALS(sna_rh_rri_vals), 0x80,
- "Denotes whether this is a request or a response." }},
+ "Denotes whether this is a request or a response.", HFILL }},
{ &hf_sna_rh_ru_category,
{ "Request/Response Unit Category", "sna.rh.ru_category", FT_UINT8, BASE_HEX,
VALS(sna_rh_ru_category_vals), 0x60,
- "" }},
+ "", HFILL }},
{ &hf_sna_rh_fi,
{ "Format Indicator", "sna.rh.fi", FT_BOOLEAN, 8, TFS(&sna_rh_fi_truth), 0x08,
- "" }},
+ "", HFILL }},
{ &hf_sna_rh_sdi,
{ "Sense Data Included", "sna.rh.sdi", FT_BOOLEAN, 8, TFS(&sna_rh_sdi_truth), 0x04,
- "Indicates that a 4-byte sense data field is included in the associated RU." }},
+ "Indicates that a 4-byte sense data field is included in the associated RU.", HFILL }},
{ &hf_sna_rh_bci,
{ "Begin Chain Indicator", "sna.rh.bci", FT_BOOLEAN, 8, TFS(&sna_rh_bci_truth), 0x02,
- "" }},
+ "", HFILL }},
{ &hf_sna_rh_eci,
{ "End Chain Indicator", "sna.rh.eci", FT_BOOLEAN, 8, TFS(&sna_rh_eci_truth), 0x01,
- "" }},
+ "", HFILL }},
{ &hf_sna_rh_dr1,
{ "Definite Response 1 Indicator", "sna.rh.dr1", FT_BOOLEAN, 8, NULL, 0x80,
- "" }},
+ "", HFILL }},
{ &hf_sna_rh_lcci,
{ "Length-Checked Compression Indicator", "sna.rh.lcci", FT_BOOLEAN, 8,
TFS(&sna_rh_lcci_truth), 0x40,
- "" }},
+ "", HFILL }},
{ &hf_sna_rh_dr2,
{ "Definite Response 2 Indicator", "sna.rh.dr2", FT_BOOLEAN, 8, NULL, 0x20,
- "" }},
+ "", HFILL }},
{ &hf_sna_rh_eri,
{ "Exception Response Indicator", "sna.rh.eri", FT_BOOLEAN, 8, NULL, 0x10,
"Used in conjunction with DR1I and DR2I to indicate, in a request, "
- "the form of response requested." }},
+ "the form of response requested.", HFILL }},
{ &hf_sna_rh_rti,
{ "Response Type Indicator", "sna.rh.rti", FT_BOOLEAN, 8, TFS(&sna_rh_rti_truth), 0x10,
- "" }},
+ "", HFILL }},
{ &hf_sna_rh_rlwi,
{ "Request Larger Window Indicator", "sna.rh.rlwi", FT_BOOLEAN, 8, NULL, 0x04,
- "Indicates whether a larger pacing window was requested." }},
+ "Indicates whether a larger pacing window was requested.", HFILL }},
{ &hf_sna_rh_qri,
{ "Queued Response Indicator", "sna.rh.qri", FT_BOOLEAN, 8, TFS(&sna_rh_qri_truth), 0x02,
- "" }},
+ "", HFILL }},
{ &hf_sna_rh_pi,
{ "Pacing Indicator", "sna.rh.pi", FT_BOOLEAN, 8, NULL, 0x01,
- "" }},
+ "", HFILL }},
{ &hf_sna_rh_bbi,
{ "Begin Bracket Indicator", "sna.rh.bbi", FT_BOOLEAN, 8, NULL, 0x80,
- "" }},
+ "", HFILL }},
{ &hf_sna_rh_ebi,
{ "End Bracket Indicator", "sna.rh.ebi", FT_BOOLEAN, 8, NULL, 0x40,
- "" }},
+ "", HFILL }},
{ &hf_sna_rh_cdi,
{ "Change Direction Indicator", "sna.rh.cdi", FT_BOOLEAN, 8, NULL, 0x20,
- "" }},
+ "", HFILL }},
{ &hf_sna_rh_csi,
{ "Code Selection Indicator", "sna.rh.csi", FT_UINT8, BASE_DEC, VALS(sna_rh_csi_vals), 0x08,
- "Specifies the encoding used for the associated FMD RU." }},
+ "Specifies the encoding used for the associated FMD RU.", HFILL }},
{ &hf_sna_rh_edi,
{ "Enciphered Data Indicator", "sna.rh.edi", FT_BOOLEAN, 8, NULL, 0x04,
"Indicates that information in the associated RU is enciphered under "
- "session-level cryptography protocols." }},
+ "session-level cryptography protocols.", HFILL }},
{ &hf_sna_rh_pdi,
{ "Padded Data Indicator", "sna.rh.pdi", FT_BOOLEAN, 8, NULL, 0x02,
"Indicates that the RU was padded at the end, before encipherment, to the next "
- "integral multiple of 8 bytes." }},
+ "integral multiple of 8 bytes.", HFILL }},
{ &hf_sna_rh_cebi,
{ "Conditional End Bracket Indicator", "sna.rh.cebi", FT_BOOLEAN, 8, NULL, 0x01,
"Used to indicate the beginning or end of a group of exchanged "
- "requests and responses called a bracket. Only used on LU-LU sessions." }},
+ "requests and responses called a bracket. Only used on LU-LU sessions.", HFILL }},
/* { &hf_sna_ru,
{ "Request/Response Unit", "sna.ru", FT_NONE, BASE_NONE, NULL, 0x0,
- ""}},*/
+ "", HFILL }},*/
};
static gint *ett[] = {
&ett_sna,
git.samba.org / obnox / wireshark / wip.git / blobdiff