forked from osmocom/wireshark
gsm_osmux: Add support to follow Osmux streams and show its statistics
Change-Id: I5262b3b1ac5a6f5bc6ac932eedbb889847131d9c
This commit is contained in:
parent
4814685f20
commit
ad60fe0238
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@ -1569,7 +1569,6 @@ DISSECTOR_INCLUDES = \
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packet-gsm_a_common.h \
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packet-gsm_a_common.h \
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packet-gsm_a_rr.h \
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packet-gsm_a_rr.h \
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packet-gsm_map.h \
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packet-gsm_map.h \
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packet-gsm_osmux.h \
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packet-gsm_rlcmac.h \
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packet-gsm_rlcmac.h \
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packet-gsm_sms.h \
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packet-gsm_sms.h \
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packet-gsmtap.h \
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packet-gsmtap.h \
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@ -21,6 +21,13 @@
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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*/
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/* FIXME: I didn't find a way yet to reliably differentiate between streams
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* using same IPs+PORTs+CID over time. That means: if a recording session is
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* long enough, a call may have allocated a CID which was already used by
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* someone else in the past, and wireshark will handle those two calls as the
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* same stream. This is bad specially for statistics such as jitter.
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*/
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#include "config.h"
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#include "config.h"
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#include <string.h>
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#include <string.h>
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@ -31,16 +38,19 @@
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#include <epan/tap.h>
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#include <epan/tap.h>
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#include <epan/to_str.h>
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#include <epan/to_str.h>
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#include <epan/strutil.h>
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#include <epan/strutil.h>
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#include "packet-gsm_osmux.h"
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void proto_register_osmux(void);
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void proto_register_osmux(void);
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void proto_reg_handoff_osmux(void);
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void proto_reg_handoff_osmux(void);
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#define OSMUX_FT_SIGNAL 0x00
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#define OSMUX_FT_AMR 0x01
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#define OSMUX_FT_DUMMY 0x02
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static const value_string osmux_ft_vals[] =
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static const value_string osmux_ft_vals[] =
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{
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{
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{0x00, "Signalling"},
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{OSMUX_FT_SIGNAL, "Signalling"},
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{0x01, "AMR"},
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{OSMUX_FT_AMR, "AMR"},
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{0x02, "Dummy"},
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{OSMUX_FT_DUMMY, "Dummy"},
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{0, NULL}
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{0, NULL}
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};
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};
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@ -91,6 +101,7 @@ static dissector_handle_t osmux_handle;
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static int proto_osmux = -1;
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static int proto_osmux = -1;
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static int osmux_tap = -1;
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static int osmux_tap = -1;
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static int hf_osmux_stream_id = -1;
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static int hf_osmux_ft_ctr = -1;
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static int hf_osmux_ft_ctr = -1;
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static int hf_osmux_rtp_m = -1;
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static int hf_osmux_rtp_m = -1;
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static int hf_osmux_ft = -1;
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static int hf_osmux_ft = -1;
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@ -109,6 +120,49 @@ static gint ett_osmux = -1;
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static gint ett_osmux_ft_ctr = -1;
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static gint ett_osmux_ft_ctr = -1;
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static gint ett_osmux_amr_ft_cmr = -1;
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static gint ett_osmux_amr_ft_cmr = -1;
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/* Stream handling */
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static wmem_map_t *osmux_stream_hash;
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static guint32 osmux_next_stream_id;
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struct osmux_stream_key {
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address src;
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address dst;
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port_type ptype;
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guint32 srcport;
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guint32 destport;
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guint32 cid;
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};
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struct osmux_stats_tree {
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gint node_id;
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gboolean amr_received;
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guint32 last_seq;
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guint32 prev_seq;
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nstime_t prev_ts;
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double jitter;
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};
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struct osmux_stream {
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struct osmux_stream_key *key;
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struct osmux_stats_tree stats;
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guint32 id;
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};
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/* Tap structure of Osmux header */
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struct osmux_hdr {
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guint32 rtp_m;
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guint32 ft;
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guint32 ctr;
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guint32 amr_f;
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guint32 amr_q;
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guint32 seq;
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guint32 circuit_id;
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guint32 amr_cmr;
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guint32 amr_ft;
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gboolean is_old_dummy;
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struct osmux_stream *stream;
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};
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static guint8
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static guint8
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amr_ft_to_bytes(guint32 amr_ft)
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amr_ft_to_bytes(guint32 amr_ft)
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{
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{
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@ -117,6 +171,123 @@ amr_ft_to_bytes(guint32 amr_ft)
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return amr_ft_bytes[amr_ft].size;
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return amr_ft_bytes[amr_ft].size;
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}
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}
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/*
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* Hash Functions
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*/
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static gint
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osmux_equal(gconstpointer v, gconstpointer w)
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{
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const struct osmux_stream_key *v1 = (const struct osmux_stream_key *)v;
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const struct osmux_stream_key *v2 = (const struct osmux_stream_key *)w;
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if (v1->ptype != v2->ptype)
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return 0; /* different types of port */
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if (v1->srcport == v2->srcport &&
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v1->destport == v2->destport &&
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addresses_equal(&v1->src, &v2->src) &&
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addresses_equal(&v1->dst, &v2->dst) &&
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v1->cid == v2->cid) {
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return 1;
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}
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return 0;
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}
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static guint
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osmux_hash (gconstpointer v)
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{
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const struct osmux_stream_key *key = (const struct osmux_stream_key *)v;
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guint hash_val;
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address tmp_addr;
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hash_val = 0;
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tmp_addr.len = 4;
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hash_val = add_address_to_hash(hash_val, &key->src);
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tmp_addr.data = &key->srcport;
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hash_val = add_address_to_hash(hash_val, &tmp_addr);
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hash_val = add_address_to_hash(hash_val, &key->dst);
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tmp_addr.data = &key->destport;
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hash_val = add_address_to_hash(hash_val, &tmp_addr);
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tmp_addr.data = &key->cid;
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hash_val = add_address_to_hash(hash_val, &tmp_addr);
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hash_val += ( hash_val << 3 );
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hash_val ^= ( hash_val >> 11 );
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hash_val += ( hash_val << 15 );
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return hash_val;
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}
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static void stream_str(struct osmux_stream *stream, gchar *buf, guint buf_len)
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{
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gchar *ip_str, *ip2_str;
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ip_str = address_to_str(NULL, &stream->key->src);
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ip2_str = address_to_str(NULL, &stream->key->dst);
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g_snprintf(buf, buf_len, "%u ([%s:%u->%s:%u]:%u)", stream->id,
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ip_str, stream->key->srcport, ip2_str, stream->key->destport,
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stream->key->cid);
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wmem_free(NULL, ip_str);
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wmem_free(NULL, ip2_str);
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}
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static struct osmux_stream *
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get_stream(packet_info *pinfo, guint32 cid)
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{
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struct osmux_stream_key key, *new_key;
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struct osmux_stream *stream;
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copy_address_shallow(&key.src, &pinfo->src);
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copy_address_shallow(&key.dst, &pinfo->dst);
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key.ptype = pinfo->ptype;
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key.srcport = pinfo->srcport;
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key.destport = pinfo->destport;
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key.cid = cid;
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stream = (struct osmux_stream *) wmem_map_lookup(osmux_stream_hash, &key);
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if (!stream) {
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new_key = wmem_new(wmem_file_scope(), struct osmux_stream_key);
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*new_key = key;
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copy_address_wmem(wmem_file_scope(), &new_key->src, &key.src);
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copy_address_wmem(wmem_file_scope(), &new_key->dst, &key.dst);
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stream = wmem_new(wmem_file_scope(), struct osmux_stream);
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stream->key = new_key;
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memset(&stream->stats, 0, sizeof(struct osmux_stats_tree));
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stream->id = osmux_next_stream_id;
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osmux_next_stream_id++;
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wmem_map_insert(osmux_stream_hash, new_key, stream);
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gchar buf[160];
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stream_str(stream, buf, sizeof(buf));
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}
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return stream;
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}
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static void finish_process_pkt(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, struct osmux_hdr *osmuxh)
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{
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tvbuff_t *analysis_tvb;
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guint32 *analysis_buf;
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osmuxh->stream = get_stream(pinfo, osmuxh->circuit_id);
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if (tree) {
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analysis_buf = (guint32*)wmem_alloc(pinfo->pool, sizeof(guint32));
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*analysis_buf = osmuxh->stream->id;
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analysis_tvb = tvb_new_child_real_data(tvb, (guint8*) analysis_buf, sizeof(guint32), sizeof(guint32));
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add_new_data_source(pinfo, analysis_tvb, "OSMUX Stream Analysis");
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proto_tree_add_item(tree, hf_osmux_stream_id, analysis_tvb, 0, sizeof(guint32), ENC_LITTLE_ENDIAN);
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}
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tap_queue_packet(osmux_tap, pinfo, osmuxh);
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}
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/* Code to actually dissect the packets */
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/* Code to actually dissect the packets */
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static gint
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static gint
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dissect_osmux(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
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dissect_osmux(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
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@ -148,7 +319,7 @@ dissect_osmux(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U
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guint8 ft_ctr;
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guint8 ft_ctr;
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guint64 amr_ft_cmr;
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guint64 amr_ft_cmr;
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guint i;
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guint i;
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guint32 cid, size;
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guint32 size;
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osmuxh = wmem_new0(wmem_packet_scope(), struct osmux_hdr);
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osmuxh = wmem_new0(wmem_packet_scope(), struct osmux_hdr);
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@ -181,9 +352,10 @@ dissect_osmux(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U
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/* Old versions of the protocol used to send dummy packets of only 2 bytes (control + cid):_*/
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/* Old versions of the protocol used to send dummy packets of only 2 bytes (control + cid):_*/
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if (ft_ctr == 0x23 && tvb_reported_length_remaining(tvb, offset - 1) == 2) {
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if (ft_ctr == 0x23 && tvb_reported_length_remaining(tvb, offset - 1) == 2) {
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proto_tree_add_item_ret_uint(osmux_tree, hf_osmux_circuit_id, tvb, offset, 1, ENC_BIG_ENDIAN, &cid);
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osmuxh->is_old_dummy = TRUE;
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col_append_fstr(pinfo->cinfo, COL_INFO, "Old Dummy (CID %u)", cid);
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proto_tree_add_item_ret_uint(osmux_tree, hf_osmux_circuit_id, tvb, offset, 1, ENC_BIG_ENDIAN, &osmuxh->circuit_id);
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tap_queue_packet(osmux_tap, pinfo, osmuxh);
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col_append_fstr(pinfo->cinfo, COL_INFO, "Old Dummy (CID %u)", osmuxh->circuit_id);
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finish_process_pkt(tvb, pinfo, tree, osmuxh);
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return tvb_reported_length(tvb);
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return tvb_reported_length(tvb);
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}
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}
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@ -204,77 +376,133 @@ dissect_osmux(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U
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proto_tree_add_item(osmux_tree, hf_osmux_amr_data, tvb, offset, size, ENC_NA);
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proto_tree_add_item(osmux_tree, hf_osmux_amr_data, tvb, offset, size, ENC_NA);
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offset += size;
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offset += size;
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}
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}
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finish_process_pkt(tvb, pinfo, tree, osmuxh);
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tap_queue_packet(osmux_tap, pinfo, osmuxh);
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}
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}
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return tvb_reported_length(tvb);
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return tvb_reported_length(tvb);
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}
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}
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/* Statistics */
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/* Statistics */
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static const gchar *st_str_pkts = "Osmux Packets";
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static const gchar *st_str_total_pkts = "Osmux Total Packets";
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static const gchar *st_str_pkts_by_cid = "Osmux Packets by CID";
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static const gchar *st_str_conn = "Osmux Streams";
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static const gchar *st_str_pkts_by_ctr = "Osmux Packets by AMR frame count";
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static const gchar *st_str_pkts = "Count: Osmux Packets";
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static const gchar *st_str_pkts_by_src = "Osmux Packets by src Addr";
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static const gchar *st_str_amr = "Count: AMR frames";
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static const gchar *st_str_pkts_by_dst = "Osmux Packets by dst Addr";
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static const gchar *st_str_rtp_m = "Field: RTP Marker (M)";
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static const gchar *st_str_pkts_by_conn = "Osmux Packets by stream";
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static const gchar *st_str_seq_rep = "SeqNum Analysis: Consecutive Repeated";
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static const gchar *st_str_pkts_by_rtp_m = "Osmux Packets by RTP Marker";
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static const gchar *st_str_seq_lost = "SeqNum Analysis: Lost";
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static const gchar *st_str_seq_ord = "SeqNum Analysis: In Order";
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static const gchar *st_str_seq_ooo = "SeqNum Analysis: Out Of Order";
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static const gchar *st_str_jit_rtt = "Jitter Analysis: Relative Transmit Time [ms]";
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static const gchar *st_str_jit_rtt_abs = "Jitter Analysis: Relative Transmit Time (abs) [ms]";
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static const gchar *st_str_jit_jit = "Jitter Analysis: Jitter [ms]";
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static int st_osmux_stats = -1;
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static int st_osmux_stats = -1;
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static int st_osmux_stats_cid = -1;
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static int st_osmux_stats_ctr = -1;
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static int st_osmux_stats_src = -1;
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static int st_osmux_stats_dst = -1;
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static int st_osmux_stats_conn = -1;
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static int st_osmux_stats_conn = -1;
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static int st_osmux_stats_rtp_m = -1;
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static void osmux_stats_tree_init(stats_tree *st)
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static void osmux_stats_tree_init(stats_tree *st)
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{
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{
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st_osmux_stats = stats_tree_create_node(st, st_str_pkts, 0, TRUE);
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st_osmux_stats = stats_tree_create_node(st, st_str_total_pkts, 0, TRUE);
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st_osmux_stats_cid = stats_tree_create_node(st, st_str_pkts_by_cid, st_osmux_stats, TRUE);
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st_osmux_stats_conn = stats_tree_create_node(st, st_str_conn, st_osmux_stats, TRUE);
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st_osmux_stats_ctr = stats_tree_create_node(st, st_str_pkts_by_ctr, st_osmux_stats, TRUE);
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st_osmux_stats_src = stats_tree_create_node(st, st_str_pkts_by_src, st_osmux_stats, TRUE);
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st_osmux_stats_dst = stats_tree_create_node(st, st_str_pkts_by_dst, st_osmux_stats, TRUE);
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st_osmux_stats_conn = stats_tree_create_node(st, st_str_pkts_by_conn, st_osmux_stats, TRUE);
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st_osmux_stats_rtp_m = stats_tree_create_node(st, st_str_pkts_by_rtp_m, st_osmux_stats, TRUE);
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}
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}
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static int osmux_stats_tree_packet(stats_tree *st, packet_info *pinfo,
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static void stream_hash_clean_tree_id(gpointer key _U_, gpointer value, gpointer user_data _U_) {
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struct osmux_stream *stream = (struct osmux_stream *)value;
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|
memset(&stream->stats, 0, sizeof(struct osmux_stats_tree));
|
||||||
|
}
|
||||||
|
|
||||||
|
static void osmux_stats_tree_cleanup(stats_tree *st _U_)
|
||||||
|
{
|
||||||
|
wmem_map_foreach(osmux_stream_hash, stream_hash_clean_tree_id, NULL);
|
||||||
|
}
|
||||||
|
|
||||||
|
static int osmux_stats_tree_packet(stats_tree *st, packet_info *pinfo _U_,
|
||||||
epan_dissect_t *edt _U_, const void *p _U_)
|
epan_dissect_t *edt _U_, const void *p _U_)
|
||||||
{
|
{
|
||||||
gchar *ip_str, *ip2_str;
|
gchar stream_name[160];
|
||||||
gchar temp[40];
|
gchar ft_name[40];
|
||||||
struct osmux_hdr *osmuxh = (struct osmux_hdr*) p;
|
struct osmux_hdr *osmuxh = (struct osmux_hdr*) p;
|
||||||
|
struct osmux_stream *stream = osmuxh->stream;
|
||||||
|
|
||||||
|
stream_str(stream, stream_name, sizeof(stream_name));
|
||||||
|
|
||||||
|
tick_stat_node(st, st_str_total_pkts, 0, TRUE);
|
||||||
|
|
||||||
|
if (!stream->stats.node_id) {
|
||||||
|
tick_stat_node(st, st_str_conn, st_osmux_stats, TRUE);
|
||||||
|
stream->stats.node_id = stats_tree_create_node(st, stream_name, st_osmux_stats_conn, TRUE);
|
||||||
|
}
|
||||||
|
|
||||||
|
tick_stat_node(st, stream_name, st_osmux_stats_conn, TRUE);
|
||||||
|
tick_stat_node(st, st_str_pkts, stream->stats.node_id, TRUE);
|
||||||
|
|
||||||
|
g_snprintf(ft_name, sizeof(ft_name), "Field: FT: %s",
|
||||||
|
osmuxh->is_old_dummy ? "Old Dummy" : osmux_ft_vals[osmuxh->ft].strptr);
|
||||||
|
tick_stat_node(st, ft_name, stream->stats.node_id, TRUE);
|
||||||
|
|
||||||
|
|
||||||
tick_stat_node(st, st_str_pkts, 0, FALSE);
|
if (osmuxh->ft == OSMUX_FT_AMR && !osmuxh->is_old_dummy) {
|
||||||
|
|
||||||
tick_stat_node(st, st_str_pkts_by_cid, st_osmux_stats, FALSE);
|
increase_stat_node(st, st_str_amr, stream->stats.node_id, TRUE, osmuxh->ctr+1);
|
||||||
g_snprintf(temp, 30, "%i", osmuxh->circuit_id);
|
avg_stat_node_add_value_notick(st, st_str_amr, stream->stats.node_id, TRUE, osmuxh->ctr+1);
|
||||||
tick_stat_node(st, temp, st_osmux_stats_cid, TRUE);
|
|
||||||
|
|
||||||
tick_stat_node(st, st_str_pkts_by_ctr, st_osmux_stats, FALSE);
|
increase_stat_node(st, st_str_rtp_m, stream->stats.node_id, TRUE, osmuxh->rtp_m);
|
||||||
g_snprintf(temp, 30, "%i", osmuxh->ctr);
|
avg_stat_node_add_value_notick(st, st_str_rtp_m, stream->stats.node_id, TRUE, osmuxh->rtp_m);
|
||||||
tick_stat_node(st, temp, st_osmux_stats_ctr, TRUE);
|
|
||||||
|
|
||||||
tick_stat_node(st, st_str_pkts_by_src, 0, FALSE);
|
|
||||||
ip_str = address_to_str(NULL, &pinfo->src);
|
|
||||||
tick_stat_node(st, ip_str, st_osmux_stats_src, TRUE);
|
|
||||||
|
|
||||||
tick_stat_node(st, st_str_pkts_by_dst, 0, FALSE);
|
/* Calculate relative transmit time */
|
||||||
ip2_str = address_to_str(NULL, &pinfo->dst);
|
if ((stream->stats.prev_ts.secs == 0 && stream->stats.prev_ts.nsecs == 0) || osmuxh->rtp_m) {
|
||||||
tick_stat_node(st, ip2_str, st_osmux_stats_dst, TRUE);
|
avg_stat_node_add_value(st, st_str_jit_rtt, stream->stats.node_id, TRUE, 0);
|
||||||
|
avg_stat_node_add_value(st, st_str_jit_rtt_abs, stream->stats.node_id, TRUE, 0);
|
||||||
|
avg_stat_node_add_value(st, st_str_jit_jit, stream->stats.node_id, TRUE, 0);
|
||||||
|
stream->stats.jitter = 0;
|
||||||
|
} else {
|
||||||
|
nstime_t diff_rx;
|
||||||
|
gint32 diff_rx_ms, diff_tx_ms, Dij;
|
||||||
|
guint32 abs_Dij;
|
||||||
|
nstime_delta(&diff_rx, &pinfo->abs_ts, &stream->stats.prev_ts);
|
||||||
|
diff_rx_ms = (guint32) nstime_to_msec(&diff_rx);
|
||||||
|
diff_tx_ms = (osmuxh->seq - stream->stats.prev_seq)*(osmuxh->ctr+1)*20; /* SAMPLE RATE is 20msec/AMRframe */
|
||||||
|
Dij = diff_rx_ms - diff_tx_ms;
|
||||||
|
abs_Dij = Dij * ( Dij >= 0 ? 1 : -1 );
|
||||||
|
stream->stats.jitter = stream->stats.jitter + ((double) abs_Dij - stream->stats.jitter)/16.0;
|
||||||
|
avg_stat_node_add_value(st, st_str_jit_rtt, stream->stats.node_id, TRUE, Dij);
|
||||||
|
avg_stat_node_add_value(st, st_str_jit_rtt_abs, stream->stats.node_id, TRUE, abs_Dij);
|
||||||
|
avg_stat_node_add_value(st, st_str_jit_jit, stream->stats.node_id, TRUE, (gint) stream->stats.jitter);
|
||||||
|
}
|
||||||
|
stream->stats.prev_ts = pinfo->abs_ts;
|
||||||
|
stream->stats.prev_seq = osmuxh->seq;
|
||||||
|
|
||||||
tick_stat_node(st, st_str_pkts_by_conn, 0, FALSE);
|
/* Check sequence numbers */
|
||||||
g_snprintf(temp, 40, "%s->%s:%i", ip_str, ip2_str, osmuxh->circuit_id);
|
//fprintf(stderr, "%s %u\t->\t%u", stream_name, stream->stats.last_seq, osmuxh->seq);
|
||||||
tick_stat_node(st, temp, st_osmux_stats_conn, TRUE);
|
if (!stream->stats.amr_received || (stream->stats.last_seq + 1) % 256 == osmuxh->seq ) {
|
||||||
|
/* normal case */
|
||||||
|
//fprintf(stderr, "\t%s: +1\n", st_str_seq_ord);
|
||||||
|
tick_stat_node(st, st_str_seq_ord, stream->stats.node_id, TRUE);
|
||||||
|
stream->stats.last_seq = osmuxh->seq;
|
||||||
|
stream->stats.amr_received = TRUE;
|
||||||
|
} else if (stream->stats.last_seq == osmuxh->seq) {
|
||||||
|
/* Last packet is repeated */
|
||||||
|
//fprintf(stderr, "\t%s: +1\n", st_str_seq_rep);
|
||||||
|
tick_stat_node(st, st_str_seq_rep, stream->stats.node_id, TRUE);
|
||||||
|
} else if ((stream->stats.last_seq + 1) % 256 < osmuxh->seq) {
|
||||||
|
/* Normal packet loss */
|
||||||
|
//fprintf(stderr, "\t%s: %d\n", st_str_seq_lost, osmuxh->seq - stream->stats.last_seq - 1);
|
||||||
|
increase_stat_node(st, st_str_seq_lost, stream->stats.node_id, TRUE, osmuxh->seq - stream->stats.last_seq - 1);
|
||||||
|
stream->stats.last_seq = osmuxh->seq;
|
||||||
|
} else if (stream->stats.last_seq - osmuxh->seq > 0x008F) {
|
||||||
|
/* If last_Seq is a lot higher, a wraparound occurred with packet loss */
|
||||||
|
//fprintf(stderr, "\t%s: (wrap) %d\n", st_str_seq_lost, 255 - stream->stats.last_seq + osmuxh->seq);
|
||||||
|
increase_stat_node(st, st_str_seq_lost, stream->stats.node_id, TRUE, 255 - stream->stats.last_seq + osmuxh->seq);
|
||||||
|
stream->stats.last_seq = osmuxh->seq;
|
||||||
|
} else if (stream->stats.last_seq > osmuxh->seq || osmuxh->seq - stream->stats.last_seq > 0x008F) {
|
||||||
|
/* Out of order packet */
|
||||||
|
//fprintf(stderr, "\t%s: +1, ", st_str_seq_ooo);
|
||||||
|
//fprintf(stderr, "\t%s: -1\n", st_str_seq_lost);
|
||||||
|
tick_stat_node(st, st_str_seq_ooo, stream->stats.node_id, TRUE);
|
||||||
|
increase_stat_node(st, st_str_seq_lost, stream->stats.node_id, TRUE, -1);
|
||||||
|
}
|
||||||
|
|
||||||
tick_stat_node(st, st_str_pkts_by_rtp_m, 0, FALSE);
|
}
|
||||||
g_snprintf(temp, 30, "%s", (osmuxh->rtp_m ? "Yes" : "No"));
|
|
||||||
tick_stat_node(st, temp, st_osmux_stats_rtp_m, TRUE);
|
|
||||||
|
|
||||||
wmem_free(NULL, ip_str);
|
|
||||||
wmem_free(NULL, ip2_str);
|
|
||||||
|
|
||||||
return 1;
|
return 1;
|
||||||
}
|
}
|
||||||
|
@ -282,6 +510,11 @@ static int osmux_stats_tree_packet(stats_tree *st, packet_info *pinfo,
|
||||||
void proto_register_osmux(void)
|
void proto_register_osmux(void)
|
||||||
{
|
{
|
||||||
static hf_register_info hf[] = {
|
static hf_register_info hf[] = {
|
||||||
|
{&hf_osmux_stream_id,
|
||||||
|
{"OSmux Stream ID", "osmux.stream_id",
|
||||||
|
FT_UINT32, BASE_DEC, NULL, 0x00,
|
||||||
|
"ID for a specific OSMUX flow", HFILL}
|
||||||
|
},
|
||||||
{&hf_osmux_ft_ctr,
|
{&hf_osmux_ft_ctr,
|
||||||
{"FTCTRByte", "osmux.ft_ctr",
|
{"FTCTRByte", "osmux.ft_ctr",
|
||||||
FT_UINT8, BASE_DEC, NULL, 0x00,
|
FT_UINT8, BASE_DEC, NULL, 0x00,
|
||||||
|
@ -354,6 +587,10 @@ void proto_register_osmux(void)
|
||||||
|
|
||||||
proto_register_field_array(proto_osmux, hf, array_length(hf));
|
proto_register_field_array(proto_osmux, hf, array_length(hf));
|
||||||
proto_register_subtree_array(ett, array_length(ett));
|
proto_register_subtree_array(ett, array_length(ett));
|
||||||
|
|
||||||
|
osmux_stream_hash = wmem_map_new_autoreset(wmem_epan_scope(), wmem_file_scope(),
|
||||||
|
osmux_hash, osmux_equal);
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
|
@ -366,7 +603,7 @@ void proto_reg_handoff_osmux(void)
|
||||||
|
|
||||||
stats_tree_register("osmux", "osmux", "Osmux/Packets", 0,
|
stats_tree_register("osmux", "osmux", "Osmux/Packets", 0,
|
||||||
osmux_stats_tree_packet, osmux_stats_tree_init,
|
osmux_stats_tree_packet, osmux_stats_tree_init,
|
||||||
NULL);
|
osmux_stats_tree_cleanup);
|
||||||
}
|
}
|
||||||
|
|
||||||
/*
|
/*
|
||||||
|
|
|
@ -1,51 +0,0 @@
|
||||||
/* packet-gsm_osmux.h
|
|
||||||
*
|
|
||||||
* Wireshark - Network traffic analyzer
|
|
||||||
* By Gerald Combs <gerald@wireshark.org>
|
|
||||||
* 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
|
|
||||||
* as published by the Free Software Foundation; either version 2
|
|
||||||
* of the License, or (at your option) any later version.
|
|
||||||
*
|
|
||||||
* This program is distributed in the hope that it will be useful,
|
|
||||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
||||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
||||||
* GNU General Public License for more details.
|
|
||||||
*
|
|
||||||
* You should have received a copy of the GNU General Public License
|
|
||||||
* along with this program; if not, write to the Free Software
|
|
||||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
||||||
*/
|
|
||||||
|
|
||||||
#ifndef PACKET_GSM_OSMUX_H
|
|
||||||
#define PACKET_GSM_OSMUX_H
|
|
||||||
|
|
||||||
/* Tap structure of Osmux header */
|
|
||||||
struct osmux_hdr {
|
|
||||||
guint32 rtp_m;
|
|
||||||
guint32 ft;
|
|
||||||
guint32 ctr;
|
|
||||||
guint32 amr_f;
|
|
||||||
guint32 amr_q;
|
|
||||||
guint32 seq;
|
|
||||||
guint32 circuit_id;
|
|
||||||
guint32 amr_cmr;
|
|
||||||
guint32 amr_ft;
|
|
||||||
};
|
|
||||||
|
|
||||||
#endif
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Editor modelines - http://www.wireshark.org/tools/modelines.html
|
|
||||||
*
|
|
||||||
* Local variables:
|
|
||||||
* c-basic-offset: 4
|
|
||||||
* tab-width: 8
|
|
||||||
* indent-tabs-mode: nil
|
|
||||||
* End:
|
|
||||||
*
|
|
||||||
* vi: set shiftwidth=4 tabstop=8 expandtab:
|
|
||||||
* :indentSize=4:tabSize=8:noTabs=true:
|
|
||||||
*/
|
|
Loading…
Reference in New Issue