wireshark/0005-rsl-hsl.patch

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	2011-01-13 20:26:51.000000000 +0100
@@ -137,6 +137,8 @@
 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;
 
 /* Initialize the subtree pointers */
 static int ett_rsl = -1;
@@ -207,6 +209,7 @@
 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 +242,11 @@
 	{  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 +358,22 @@
 #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_L1_PRIM		0xc4
+#define RSL_IE_HSL_BTS_VERSION		0xc5
+#define RSL_IE_HSL_UNKNOWN_VERSION1	0xc6
+#define RSL_IE_HSL_UNKNOWN_VERSION2	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 +455,12 @@
 	{  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 L1 PRIMITIVE" },
 	{ 0,		NULL }
 };
 
@@ -573,6 +600,7 @@
 			Not used
 
 	*/
+	/* ip.access */
 	{ 0xe0,		"SRTP Configuration" },
 	{ 0xe1,		"BSC Proxy UDP Port" },
 	{ 0xe2,		"BSC Multiplex Timeout" },
@@ -591,6 +619,13 @@
 	{ 0xfc,		"RTP Payload Type 2" },
 	{ 0xfd,		"RTP Multiplex" },
 	{ 0xfe,		"RTP Multiplex Identifier" },
+	/* HSL */
+	{ 0xc0,		"HSL Serial Number" },
+	{ 0xc1,		"HSL TRAU Parameters" },
+	{ 0xc4,		"HSL L1 Primitive" },
+	{ 0xc5,		"HSL BTS SW Version" },
+	{ 0xc6,		"HSL Unknown Version" },
+	{ 0xc7,		"HSL Unknown Version" },
 	{ 0,			NULL }
 };
 
@@ -714,6 +749,13 @@
 		[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_L1_PRIM]		= { TLV_TYPE_TV, 0 },
+		[RSL_IE_HSL_BTS_VERSION]	= { TLV_TYPE_TLV, 0 },
+		[RSL_IE_HSL_UNKNOWN_VERSION1]	= { TLV_TYPE_TLV, 0 },
+		[RSL_IE_HSL_UNKNOWN_VERSION2]	= { TLV_TYPE_TLV, 0 },
 	},
 };
 
@@ -3120,7 +3162,7 @@
 	guint16 local_port = 0;
 	address src_addr;
 
-	msg_type = tvb_get_guint8(tvb, offset)&0x7f;
+	msg_type = tvb_get_guint8(tvb, offset)&0xff;
 	offset++;
 
 #if 0
@@ -3259,6 +3301,25 @@
 			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);
+			break;
+		case RSL_IE_HSL_TRAU_PARAMS:
+			proto_tree_add_item(tree, hf_rsl_remote_port, tvb,
+					    offset+2, 2, FALSE);
+			proto_tree_add_item(tree, hf_rsl_remote_ip, tvb,
+					    offset+4, 4, FALSE);
+			/* FIXME: other fields !! */
+			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;
 	}
@@ -3284,10 +3345,12 @@
 	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 +3987,7 @@
 	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 +4018,7 @@
 
 	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 +4039,7 @@
 		},
 		{ &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 +4456,11 @@
 			{ "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 }
+		},
 	};
 	static gint *ett[] = {
 		&ett_rsl,