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VTP: Always display reserved/unsed fields 

Change-Id: Ib0b065c20e599567224c05068dad5bd24a711609
Reviewed-on: https://code.wireshark.org/review/17728
Petri-Dish: Alexis La Goutte <alexis.lagoutte@gmail.com>
Reviewed-by: Dario Lombardo <lomato@gmail.com>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Anders Broman <a.broman58@gmail.com>
This commit is contained in:
Alexis La Goutte 2016-09-16 10:14:00 +02:00 committed by Anders Broman
parent e4aa7be949
commit 2492fe41ba
1 changed files with 9 additions and 2 deletions
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11
epan/dissectors/packet-vtp.c
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@ -72,6 +72,7 @@ static int hf_vtp_vlan_max_are_hop_count = -1;
static int hf_vtp_vlan_max_ste_hop_count = -1;
static int hf_vtp_vlan_backup_crf_mode = -1;
static int hf_vtp_vlan_data = -1;
static int hf_vtp_reserved = -1;
static gint ett_vtp = -1;
static gint ett_vtp_vlan_info = -1;
@ -212,7 +213,8 @@ dissect_vtp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
break;
case ADVERT_REQUEST:
offset += 1; /* skip reserved field */
proto_tree_add_item(vtp_tree, hf_vtp_reserved, tvb, offset, 1, ENC_NA);
offset += 1;
proto_tree_add_item(vtp_tree, hf_vtp_md_len, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
@ -224,7 +226,8 @@ dissect_vtp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
break;
case JOIN_MSG:
offset += 1; /* skip reserved/unused field */
proto_tree_add_item(vtp_tree, hf_vtp_reserved, tvb, offset, 1, ENC_NA);
offset += 1;
proto_tree_add_item(vtp_tree, hf_vtp_md_len, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
@ -651,6 +654,10 @@ proto_register_vtp(void)
{ &hf_vtp_vlan_data,
{ "Data", "vtp.vlan_info.data", FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_vtp_reserved,
{ "Reserved", "vtp.reserved", FT_BYTES, BASE_NONE, NULL, 0,
NULL, HFILL }},
};
static gint *ett[] = {