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Index: wireshark/epan/dissectors/packet-rsl.c
===================================================================
--- wireshark.orig/epan/dissectors/packet-rsl.c 2011-01-13 10:03:21.000000000 +0100
+++ wireshark/epan/dissectors/packet-rsl.c 2011-01-13 11:00:13.000000000 +0100
@@ -207,6 +207,7 @@
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 +240,11 @@
{ 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 +356,14 @@
#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_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
+
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 +445,11 @@
{ 0x77, "ip.access DLCX" },
{ 0x78, "ip.access DLCX ACK" },
{ 0x79, "ip.access DLCX NACK" },
+ /* HSL */
+ { 0x81, "HSL CONNECT TRAU" },
+ { 0x82, "HSL BSSGP" },
+ { 0x83, "HSL GPRS TS ALLOC" },
+ { 0x8a, "HSL L1 PRIMITIVE" },
{ 0, NULL }
};
@@ -3279,17 +3295,47 @@
}
static int
+dissct_rsl_hsl_msg(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
+{
+ guint8 msg_type;
+ tvbuff_t *next_tvb;
+
+ msg_type = tvb_get_guint8(tvb, offset)&0x7f;
+ offset++;
+
+ switch (msg_type) {
+ case RSL_MSG_TYPE_HSL_CONN_TRAU:
+ proto_tree_add_item(tree, hf_rsl_remote_ip, tvb,
+ offset+6, 4, FALSE);
+ break;
+ case RSL_MSG_TYPE_HSL_BSSGP:
+ next_tvb = tvb_new_subset(tvb, offset, -1, tvb_length(tvb));
+ call_dissector(bssgp_handle, next_tvb, pinfo, tree);
+ break;
+ case RSL_MSG_TYPE_HSL_GPRS_TS_ALLOC:
+ break;
+ case RSL_MSG_TYPE_HSL_L1_PRIM:
+ break;
+ }
+ return offset;
+}
+
+static int
dissct_rsl_msg(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
{
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_IPACCESS:
offset = dissct_rsl_ipaccess_msg(tvb, pinfo, tree, offset);
return offset;
+ case RSL_MSGDISC_HSL:
+ offset = dissct_rsl_hsl_msg(tvb, pinfo, tree, offset);
+ return offset;
}
offset++;
@@ -3924,7 +3970,7 @@
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 +4001,7 @@
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 +4022,7 @@
},
{ &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,
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