diff options
| author | Richard Sharpe <sharpe@ns.aus.com> | 2002-04-21 02:57:01 +0000 |
|---|---|---|
| committer | Richard Sharpe <sharpe@ns.aus.com> | 2002-04-21 02:57:01 +0000 |
| commit | 60d5c327e9364c3dc00678c5f7907556fbc2c243 (patch) | |
| tree | a270c141a4732a40ec8d621db9cbdebe68681504 /packet-tcp.c | |
| parent | d40820124b6910edd03ca83bdb2f5f5e32a3dd67 (diff) | |
Add a hidden length fild for TCP, tcp.len. Also fixed a small type.
svn path=/trunk/; revision=5210
Diffstat (limited to 'packet-tcp.c')
| -rw-r--r-- | packet-tcp.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/packet-tcp.c b/packet-tcp.c index abd8e9a3f0..9f6834ab2b 100644 --- a/packet-tcp.c +++ b/packet-tcp.c @@ -1,7 +1,7 @@ /* packet-tcp.c * Routines for TCP packet disassembly * - * $Id: packet-tcp.c,v 1.137 2002/04/11 08:59:43 guy Exp $ + * $Id: packet-tcp.c,v 1.138 2002/04/21 02:57:01 sharpe Exp $ * * Ethereal - Network traffic analyzer * By Gerald Combs <gerald@ethereal.com> @@ -89,6 +89,7 @@ static int hf_tcp_flags_fin = -1; static int hf_tcp_window_size = -1; static int hf_tcp_checksum = -1; static int hf_tcp_checksum_bad = -1; +static int hf_tcp_len = -1; static int hf_tcp_urgent_pointer = -1; static gint ett_tcp = -1; @@ -171,7 +172,7 @@ static GMemChunk *tcp_segment_address_chunk = NULL; static int tcp_segment_address_init_count = 500; typedef struct _tcp_segment_key { - /* for ouwn bookkeeping inside packet-tcp.c */ + /* for own bookkeeping inside packet-tcp.c */ address *src; address *dst; guint32 seq; @@ -1024,6 +1025,12 @@ dissect_tcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) /* Compute the length of data in this segment. */ seglen = reported_len - hlen; + if (tree) { /* Add the seglen as an invisible field */ + + proto_tree_add_uint_hidden(ti, hf_tcp_len, tvb, offset, 4, seglen); + + } + /* Compute the sequence number of next octet after this segment. */ nxtseq = th_seq + seglen; @@ -1319,6 +1326,10 @@ proto_register_tcp(void) { "Bad Checksum", "tcp.checksum_bad", FT_BOOLEAN, BASE_NONE, NULL, 0x0, "", HFILL }}, + { &hf_tcp_len, + { "TCP Segment Len", "tcp.len", FT_UINT32, BASE_DEC, NULL, 0x0, + "", HFILL}}, + { &hf_tcp_urgent_pointer, { "Urgent pointer", "tcp.urgent_pointer", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL }}, |