diff options
| author | Guy Harris <guy@alum.mit.edu> | 2001-01-05 19:14:05 +0000 |
|---|---|---|
| committer | Guy Harris <guy@alum.mit.edu> | 2001-01-05 19:14:05 +0000 |
| commit | b97efe8d42237f11726ff4a46f476b394c58122b (patch) | |
| tree | 8f4c40a6c4479bd78abdb911eb6075aa89975d00 /packet-cdp.c | |
| parent | bde0b86cafedde7f055dae4122667a986107c980 (diff) | |
IP Prefix field support in CDP, from Paul Ionescu.
svn path=/trunk/; revision=2830
Diffstat (limited to 'packet-cdp.c')
| -rw-r--r-- | packet-cdp.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/packet-cdp.c b/packet-cdp.c index 4a6475014c..899513d903 100644 --- a/packet-cdp.c +++ b/packet-cdp.c @@ -2,7 +2,7 @@ * Routines for the disassembly of the "Cisco Discovery Protocol" * (c) Copyright Hannes R. Boehm <hannes@boehm.org> * - * $Id: packet-cdp.c,v 1.29 2001/01/03 06:55:27 guy Exp $ + * $Id: packet-cdp.c,v 1.30 2001/01/05 19:14:05 guy Exp $ * * Ethereal - Network traffic analyzer * By Gerald Combs <gerald@zing.org> @@ -76,6 +76,7 @@ add_multi_line_string_to_tree(proto_tree *tree, tvbuff_t *tvb, gint start, #define TYPE_CAPABILITIES 0x0004 #define TYPE_IOS_VERSION 0x0005 #define TYPE_PLATFORM 0x0006 +#define TYPE_IP_PREFIX 0x0007 static const value_string type_vals[] = { { TYPE_DEVICE_ID, "Device ID" }, @@ -84,6 +85,7 @@ static const value_string type_vals[] = { { TYPE_CAPABILITIES, "Capabilities" }, { TYPE_IOS_VERSION, "Software version" }, { TYPE_PLATFORM, "Platform" }, + { TYPE_IP_PREFIX, "IP Prefix (used for ODR)" }, { 0, NULL }, }; @@ -251,7 +253,30 @@ dissect_cdp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) tvb_get_ptr(tvb, offset + 4, length - 4)); offset += length; break; + case TYPE_IP_PREFIX: + tlvi = proto_tree_add_text(cdp_tree, tvb, offset, + length, "IP Prefixes: %d",length/5); + /* the actual number of prefixes is (length-4)/5 + but if the variable is not a "float" but "integer" + then length/5=(length-4)/5 :) */ + + tlv_tree = proto_item_add_subtree(tlvi, ett_cdp_tlv); + proto_tree_add_uint(tlv_tree, hf_cdp_tlvtype, tvb, + offset + TLV_TYPE, 2, type); + proto_tree_add_uint(tlv_tree, hf_cdp_tlvlength, tvb, + offset + TLV_LENGTH, 2, length); + offset += 4; + length -= 4; + while (length > 0) { + proto_tree_add_text(tlv_tree, tvb, offset, 5, + "IP Prefix = %s/%u", + ip_to_str(tvb_get_ptr(tvb, offset, 4)), + tvb_get_guint8(tvb,offset+4)); + offset += 5; + length -= 5; + } + break; default: tlvi = proto_tree_add_text(cdp_tree, tvb, offset, length, "Type: %s, length: %u", |