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osmo-mgw/wireshark/0005-rsl-hsl.patch
Harald Welte 1761d02ddb [wireshark] Update HSL wireshark dissector 
now it correctly names some of the IEs like DSP/FPGA version,
and also automatically marks the UDP streams as RTP depending on
what it has seen in the RSL CONNECT TRAU message.
2011-01-15 18:09:25 +01:00

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Index: wireshark/epan/dissectors/packet-rsl.c
===================================================================
--- wireshark.orig/epan/dissectors/packet-rsl.c 2011-01-13 12:51:02.000000000 +0100
+++ wireshark/epan/dissectors/packet-rsl.c 2011-01-15 18:05:20.000000000 +0100
@@ -2,7 +2,7 @@
* Routines for Radio Signalling Link (RSL) dissection.
*
* Copyright 2007, Anders Broman <anders.broman@ericsson.com>
- * Copyright 2009, Harald Welte <laforge@gnumonks.org>
+ * Copyright 2009-2011, Harald Welte <laforge@gnumonks.org>
*
* $Id: packet-rsl.c 35224 2010-12-20 05:35:29Z guy $
*
@@ -137,6 +137,14 @@
static int hf_rsl_cstat_lost_pkts = -1;
static int hf_rsl_cstat_ia_jitter = -1;
static int hf_rsl_cstat_avg_tx_dly = -1;
+/* HSL */
+static int hf_rsl_hsl_bts_serno = -1;
+static int hf_rsl_hsl_bts_ver = -1;
+static int hf_rsl_hsl_dsp_ver = -1;
+static int hf_rsl_hsl_fpga_ver = -1;
+static int hf_rsl_hsl_trau_remote_port = -1;
+static int hf_rsl_hsl_trau_remote_ip = -1;
+static int hf_rsl_hsl_tx_power = -1;
/* Initialize the subtree pointers */
static int ett_rsl = -1;
@@ -207,6 +215,7 @@
static proto_tree *top_tree;
static dissector_handle_t gsm_a_ccch_handle;
static dissector_handle_t gsm_a_dtap_handle;
+static dissector_handle_t bssgp_handle;
static gboolean is_si2q = FALSE;
@@ -239,9 +248,11 @@
{ 0x08, "TRX Management messages" },
{ 0x16, "Location Services messages" },
{ 0x3f, "ip.access Vendor Specific messages" },
+ { 0x80, "HSL Vendor Specific messages" },
{ 0, NULL }
};
#define RSL_MSGDISC_IPACCESS 0x3f
+#define RSL_MSGDISC_HSL 0x40
/*
* 9.2 MESSAGE TYPE
@@ -353,6 +364,22 @@
#define RSL_IE_IPAC_RTP_MPLEX 0xfd
#define RSL_IE_IPAC_RTP_MPLEX_ID 0xfe
+/* Vendor-Specific messages of HSL femtocell. There is no public documentation
+ * about those extensions, all information in this dissector is based on lawful
+ * protocol reverse enginering by Harald Welte <laforge@gnumonks.org> */
+#define RSL_MSG_TYPE_HSL_IDENTIFY 0x80
+#define RSL_MSG_TYPE_HSL_CONN_TRAU 0x81
+#define RSL_MSG_TYPE_HSL_BSSGP 0x82
+#define RSL_MSG_TYPE_HSL_GPRS_TS_ALLOC 0x83
+#define RSL_MSG_TYPE_HSL_L1_PRIM 0x8a
+
+#define RSL_IE_HSL_BTS_SERNO 0xc0
+#define RSL_IE_HSL_TRAU_PARAMS 0xc1
+#define RSL_IE_HSL_TX_POWER 0xc4
+#define RSL_IE_HSL_BTS_VERSION 0xc5
+#define RSL_IE_HSL_DSP_VERSION 0xc6
+#define RSL_IE_HSL_FPGA_VERSION 0xc7
+
static const value_string rsl_msg_type_vals[] = {
/* 0 0 0 0 - - - - Radio Link Layer Management messages: */
{ 0x01, "DATA REQuest" }, /* 8.3.1 */
@@ -434,6 +461,12 @@
{ 0x77, "ip.access DLCX" },
{ 0x78, "ip.access DLCX ACK" },
{ 0x79, "ip.access DLCX NACK" },
+ /* HSL */
+ { 0x80, "HSL IDENTIFY" },
+ { 0x81, "HSL CONNECT TRAU" },
+ { 0x82, "HSL BSSGP" },
+ { 0x83, "HSL GPRS TS ALLOC" },
+ { 0x8a, "HSL TX SET POWER" },
{ 0, NULL }
};
@@ -573,6 +606,7 @@
Not used
*/
+ /* ip.access */
{ 0xe0, "SRTP Configuration" },
{ 0xe1, "BSC Proxy UDP Port" },
{ 0xe2, "BSC Multiplex Timeout" },
@@ -591,6 +625,13 @@
{ 0xfc, "RTP Payload Type 2" },
{ 0xfd, "RTP Multiplex" },
{ 0xfe, "RTP Multiplex Identifier" },
+ /* HSL */
+ { 0xc0, "HSL Serial Number" },
+ { 0xc1, "HSL TRAU Parameters" },
+ { 0xc4, "HSL TX Power (dBm)" },
+ { 0xc5, "HSL BTS SW Version" },
+ { 0xc6, "HSL DSP SW Version" },
+ { 0xc7, "HSL FPGA SW Version" },
{ 0, NULL }
};
@@ -714,6 +755,13 @@
[RSL_IE_IPAC_SPEECH_MODE] = { TLV_TYPE_TV, 0 },
[RSL_IE_IPAC_CONN_ID] = { TLV_TYPE_FIXED, 2 },
[RSL_IE_IPAC_RTP_PAYLOAD2] = { TLV_TYPE_TV, 0 },
+ /* HSL */
+ [RSL_IE_HSL_BTS_SERNO] = { TLV_TYPE_TLV,0 },
+ [RSL_IE_HSL_TRAU_PARAMS] = { TLV_TYPE_TLV,0 },
+ [RSL_IE_HSL_TX_POWER] = { TLV_TYPE_TV, 0 },
+ [RSL_IE_HSL_BTS_VERSION] = { TLV_TYPE_TLV, 0 },
+ [RSL_IE_HSL_DSP_VERSION] = { TLV_TYPE_TLV, 0 },
+ [RSL_IE_HSL_FPGA_VERSION] = { TLV_TYPE_TLV, 0 },
},
};
@@ -3118,9 +3166,10 @@
guint8 msg_type;
guint32 local_addr = 0;
guint16 local_port = 0;
+ int old_visited;
address src_addr;
- msg_type = tvb_get_guint8(tvb, offset)&0x7f;
+ msg_type = tvb_get_guint8(tvb, offset)&0xff;
offset++;
#if 0
@@ -3259,20 +3308,62 @@
proto_tree_add_item(ie_tree, hf_rsl_cstat_avg_tx_dly, tvb,
offset+24, 4, FALSE);
break;
+ /* HSL */
+ case RSL_IE_HSL_BTS_SERNO:
+ proto_tree_add_item(ie_tree, hf_rsl_hsl_bts_serno, tvb,
+ offset, len, FALSE);
+ col_append_fstr(pinfo->cinfo, COL_INFO, "SerNo %s ",
+ tvb_get_string(tvb, offset, len));
+ break;
+ case RSL_IE_HSL_TRAU_PARAMS:
+ proto_tree_add_item(tree, hf_rsl_hsl_trau_remote_port, tvb,
+ offset+2, 2, TRUE);
+ local_port = tvb_get_letohs(tvb, offset+2);
+ proto_tree_add_item(tree, hf_rsl_hsl_trau_remote_ip, tvb,
+ offset+4, 4, FALSE);
+ local_addr = tvb_get_ipv4(tvb, offset+4);
+ break;
+ case RSL_IE_HSL_TX_POWER:
+ proto_tree_add_item(ie_tree, hf_rsl_hsl_tx_power, tvb,
+ offset, len, FALSE);
+ break;
+ case RSL_IE_HSL_BTS_VERSION:
+ proto_tree_add_item(ie_tree, hf_rsl_hsl_bts_ver, tvb,
+ offset, len, FALSE);
+ break;
+ case RSL_IE_HSL_DSP_VERSION:
+ proto_tree_add_item(ie_tree, hf_rsl_hsl_dsp_ver, tvb,
+ offset, len, FALSE);
+ break;
+ case RSL_IE_HSL_FPGA_VERSION:
+ proto_tree_add_item(ie_tree, hf_rsl_hsl_fpga_ver, tvb,
+ offset, len, FALSE);
+ break;
+ case RSL_IE_L3_INF:
+ if (msg_type == RSL_MSG_TYPE_HSL_BSSGP) {
+ tvbuff_t *next_tvb;
+ next_tvb = tvb_new_subset(tvb, offset, -1, len);
+ call_dissector(bssgp_handle, next_tvb, pinfo, tree);
+ }
+ break;
}
offset += len;
}
switch (msg_type) {
case RSL_MSG_TYPE_IPAC_CRCX_ACK:
+ case RSL_MSG_TYPE_HSL_CONN_TRAU:
/* Notify the RTP and RTCP dissectors about a new RTP stream */
src_addr.type = AT_IPv4;
src_addr.len = 4;
src_addr.data = (guint8 *)&local_addr;
+ old_visited = pinfo->fd->flags.visited;
+ pinfo->fd->flags.visited = 0;
rtp_add_address(pinfo, &src_addr, local_port, 0,
"GSM A-bis/IP", pinfo->fd->num, 0, NULL);
rtcp_add_address(pinfo, &src_addr, local_port+1, 0,
"GSM A-bis/IP", pinfo->fd->num);
+ pinfo->fd->flags.visited = old_visited;
break;
}
return offset;
@@ -3284,10 +3375,12 @@
guint8 msg_disc, msg_type;
msg_disc = tvb_get_guint8(tvb, offset++) >> 1;
- msg_type = tvb_get_guint8(tvb,offset)&0x7f;
+ msg_type = tvb_get_guint8(tvb,offset)&0xff;
proto_tree_add_item(tree, hf_rsl_msg_type, tvb, offset, 1, FALSE);
- if (msg_disc == RSL_MSGDISC_IPACCESS) {
+ switch (msg_disc) {
+ case RSL_MSGDISC_HSL:
+ case RSL_MSGDISC_IPACCESS:
offset = dissct_rsl_ipaccess_msg(tvb, pinfo, tree, offset);
return offset;
}
@@ -3924,7 +4017,7 @@
col_set_str(pinfo->cinfo, COL_PROTOCOL, "RSL");
col_clear(pinfo->cinfo, COL_INFO);
- msg_type = tvb_get_guint8(tvb,offset+1)&0x7f;
+ msg_type = tvb_get_guint8(tvb,offset+1)&0xff;
if (check_col(pinfo->cinfo, COL_INFO)){
col_append_fstr(pinfo->cinfo, COL_INFO, "%s ",val_to_str(msg_type, rsl_msg_type_vals,"unknown %u"));
@@ -3955,6 +4048,7 @@
gsm_a_ccch_handle = find_dissector("gsm_a_ccch");
gsm_a_dtap_handle = find_dissector("gsm_a_dtap");
+ bssgp_handle = find_dissector("bssgp");
}
/* Register the protocol with Wireshark */
@@ -3975,7 +4069,7 @@
},
{ &hf_rsl_msg_type,
{ "Message type", "rsl.msg_type",
- FT_UINT8, BASE_HEX_DEC, VALS(rsl_msg_type_vals), 0x7f,
+ FT_UINT8, BASE_HEX_DEC, VALS(rsl_msg_type_vals), 0xff,
NULL, HFILL }
},
{ &hf_rsl_ie_id,
@@ -4392,6 +4486,36 @@
{ "Average Tx Delay", "rsl.ipacc.cstat.avg_tx_delay",
FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL }
},
+ /* HSL */
+ { &hf_rsl_hsl_bts_serno,
+ { "BTS Serial Number", "rsl.hsl.bts_serno",
+ FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL }
+ },
+ { &hf_rsl_hsl_tx_power,
+ { "Transmit Power", "rsl.hsl.tx_power",
+ FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL }
+ },
+ { &hf_rsl_hsl_bts_ver,
+ { "BTS Version Number", "rsl.hsl.bts_ver",
+ FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL }
+ },
+ { &hf_rsl_hsl_dsp_ver,
+ { "DSP Version Number", "rsl.hsl.dsp_ver",
+ FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL }
+ },
+ { &hf_rsl_hsl_fpga_ver,
+ { "FPGA Version Number", "rsl.hsl.fpga_ver",
+ FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL }
+ },
+ { &hf_rsl_hsl_trau_remote_port,
+ { "HSL TRAU Remote RTP Port", "rsl.hsl.trau.remote_port",
+ FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL },
+ },
+ { &hf_rsl_hsl_trau_remote_ip,
+ { "HSL TRAU Remote IP Address", "rsl.hsl.trau.remote_ip",
+ FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL },
+ },
+
};
static gint *ett[] = {
&ett_rsl,
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