forked from osmocom/wireshark
![Pascal Quantin](/assets/img/avatar_default.png)
Offset should not go backwards. Bug: 14518 Change-Id: I03a64ae9a99f1ca095f0bc710f93f0f6ba2248e6 Reviewed-on: https://code.wireshark.org/review/26384 Reviewed-by: Pascal Quantin <pascal.quantin@gmail.com> Petri-Dish: Pascal Quantin <pascal.quantin@gmail.com> Reviewed-by: Anders Broman <a.broman58@gmail.com>
664 lines
24 KiB
C
664 lines
24 KiB
C
/* packet-lacp.c
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* Routines for Link Aggregation Control Protocol dissection.
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* IEEE Std 802.1AX-2014 Section 6.4.2.3
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*
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* Copyright 2002 Steve Housley <steve_housley@3com.com>
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "config.h"
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#include <epan/packet.h>
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#include <epan/to_str.h>
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#include <epan/expert.h>
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#include <epan/slow_protocol_subtypes.h>
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/* General declarations */
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void proto_register_lacp(void);
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void proto_reg_handoff_lacp(void);
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/* TLV Types */
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#define LACPDU_TYPE_TERMINATOR 0x00
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#define LACPDU_TYPE_ACTOR_INFORMATION 0x01
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#define LACPDU_TYPE_PARTNER_INFORMATION 0x02
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#define LACPDU_TYPE_COLLECTOR_INFORMATION 0x03
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static const value_string lacp_type_vals[] = {
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{ LACPDU_TYPE_TERMINATOR, "Terminator" },
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{ LACPDU_TYPE_ACTOR_INFORMATION, "Actor Information" },
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{ LACPDU_TYPE_PARTNER_INFORMATION, "Partner Information" },
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{ LACPDU_TYPE_COLLECTOR_INFORMATION, "Collector Information" },
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{ 0, NULL }
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};
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/* Actor and Partner Flag bits */
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#define LACPDU_FLAGS_ACTIVITY 0x01
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#define LACPDU_FLAGS_TIMEOUT 0x02
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#define LACPDU_FLAGS_AGGREGATION 0x04
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#define LACPDU_FLAGS_SYNC 0x08
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#define LACPDU_FLAGS_COLLECTING 0x10
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#define LACPDU_FLAGS_DISTRIB 0x20
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#define LACPDU_FLAGS_DEFAULTED 0x40
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#define LACPDU_FLAGS_EXPIRED 0x80
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/* Initialise the protocol and registered fields */
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static int proto_lacp = -1;
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static int hf_lacp_version = -1;
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static int hf_lacp_tlv_type = -1;
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static int hf_lacp_tlv_length = -1;
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static int hf_lacp_actor_sysid_priority = -1;
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static int hf_lacp_actor_sysid = -1;
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static int hf_lacp_actor_key = -1;
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static int hf_lacp_actor_port_priority = -1;
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static int hf_lacp_actor_port = -1;
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static int hf_lacp_actor_state = -1;
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static int hf_lacp_actor_state_str = -1;
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static int hf_lacp_flags_a_activity = -1;
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static int hf_lacp_flags_a_timeout = -1;
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static int hf_lacp_flags_a_aggregation = -1;
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static int hf_lacp_flags_a_sync = -1;
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static int hf_lacp_flags_a_collecting = -1;
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static int hf_lacp_flags_a_distrib = -1;
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static int hf_lacp_flags_a_defaulted = -1;
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static int hf_lacp_flags_a_expired = -1;
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static int hf_lacp_actor_reserved = -1;
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static int hf_lacp_partner_sysid_priority = -1;
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static int hf_lacp_partner_sysid = -1;
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static int hf_lacp_partner_key = -1;
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static int hf_lacp_partner_port_priority = -1;
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static int hf_lacp_partner_port = -1;
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static int hf_lacp_partner_state = -1;
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static int hf_lacp_partner_state_str = -1;
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static int hf_lacp_flags_p_activity = -1;
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static int hf_lacp_flags_p_timeout = -1;
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static int hf_lacp_flags_p_aggregation = -1;
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static int hf_lacp_flags_p_sync = -1;
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static int hf_lacp_flags_p_collecting = -1;
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static int hf_lacp_flags_p_distrib = -1;
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static int hf_lacp_flags_p_defaulted = -1;
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static int hf_lacp_flags_p_expired = -1;
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static int hf_lacp_partner_reserved = -1;
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static int hf_lacp_coll_max_delay = -1;
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static int hf_lacp_coll_reserved = -1;
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static int hf_lacp_pad = -1;
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static int hf_lacp_vendor = -1;
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static int hf_lacp_vendor_hp_length = -1;
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static int hf_lacp_vendor_hp_irf_domain = -1;
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static int hf_lacp_vendor_hp_irf_mac = -1;
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static int hf_lacp_vendor_hp_irf_switch = -1;
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static int hf_lacp_vendor_hp_irf_port = -1;
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static int hf_lacp_vendor_hp_unknown = -1;
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/* Initialise the subtree pointers */
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static gint ett_lacp = -1;
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static gint ett_lacp_a_flags = -1;
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static gint ett_lacp_p_flags = -1;
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/* Expert Items */
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static expert_field ei_lacp_wrong_tlv_type = EI_INIT;
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static expert_field ei_lacp_wrong_tlv_length = EI_INIT;
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static const true_false_string tfs_active_passive = { "Active", "Passive" };
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static const true_false_string tfs_short_long_timeout = { "Short Timeout", "Long Timeout" };
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static const true_false_string tfs_aggregatable_individual = { "Aggregatable", "Individual" };
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static const true_false_string tfs_in_sync_out_sync = { "In Sync", "Out of Sync" };
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static const char * lacp_state_flags_to_str(guint32 value)
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{
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wmem_strbuf_t *buf = wmem_strbuf_new(wmem_packet_scope(), "");
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const unsigned int flags_count = 8;
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const char first_letters[] = "EFDCSGSA";
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unsigned int i;
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for (i = 0; i < flags_count; i++) {
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if (((value >> (flags_count - 1 - i)) & 1)) {
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wmem_strbuf_append_c(buf, first_letters[i]);
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} else {
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wmem_strbuf_append_c(buf, '*');
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}
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}
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return wmem_strbuf_finalize(buf);
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}
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/*
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* Name: dissect_lacp
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*
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* Description:
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* This function is used to dissect the Link Aggregation Control Protocol
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* defined in IEEE 802.1AX
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*
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* Input Arguments:
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* tvb: buffer associated with the rcv packet (see tvbuff.h).
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* pinfo: structure associated with the rcv packet (see packet_info.h).
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* tree: the protocol tree associated with the rcv packet (see proto.h).
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*
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* Return Values: None
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*
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* Notes:
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*/
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static int
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dissect_lacp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
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{
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int offset = 0, length_remaining;
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guint tlv_type, tlv_length;
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guint version, port, key;
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const gchar *sysidstr, *flagstr;
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proto_tree *lacp_tree;
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proto_item *lacp_item, *tlv_type_item, *tlv_length_item;
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proto_item *ti;
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static const int * actor_flags[] = {
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&hf_lacp_flags_a_activity,
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&hf_lacp_flags_a_timeout,
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&hf_lacp_flags_a_aggregation,
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&hf_lacp_flags_a_sync,
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&hf_lacp_flags_a_collecting,
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&hf_lacp_flags_a_distrib,
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&hf_lacp_flags_a_defaulted,
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&hf_lacp_flags_a_expired,
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NULL
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};
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static const int * partner_flags[] = {
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&hf_lacp_flags_p_activity,
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&hf_lacp_flags_p_timeout,
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&hf_lacp_flags_p_aggregation,
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&hf_lacp_flags_p_sync,
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&hf_lacp_flags_p_collecting,
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&hf_lacp_flags_p_distrib,
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&hf_lacp_flags_p_defaulted,
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&hf_lacp_flags_p_expired,
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NULL
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};
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "LACP");
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col_set_str(pinfo->cinfo, COL_INFO, "Link Aggregation Control Protocol");
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/* Add LACP Heading - Note: 1 byte for slowprotocol has been consumed already */
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lacp_item = proto_tree_add_protocol_format(tree, proto_lacp, tvb,
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0, -1, "Link Aggregation Control Protocol");
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lacp_tree = proto_item_add_subtree(lacp_item, ett_lacp);
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/* Version Number */
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proto_tree_add_item_ret_uint(lacp_tree, hf_lacp_version, tvb, offset, 1, ENC_NA, &version);
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offset += 1;
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col_add_fstr(pinfo->cinfo, COL_INFO, "v%d", version);
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/* Actor */
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tlv_type_item = proto_tree_add_item_ret_uint(lacp_tree, hf_lacp_tlv_type, tvb, offset, 1, ENC_BIG_ENDIAN, &tlv_type);
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offset += 1;
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tlv_length_item = proto_tree_add_item_ret_uint(lacp_tree, hf_lacp_tlv_length, tvb, offset, 1, ENC_BIG_ENDIAN, &tlv_length);
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offset += 1;
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if (tlv_type != LACPDU_TYPE_ACTOR_INFORMATION) {
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expert_add_info(pinfo, tlv_type_item, &ei_lacp_wrong_tlv_type);
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}
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if (tlv_length != 20) {
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expert_add_info(pinfo, tlv_length_item, &ei_lacp_wrong_tlv_length);
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}
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proto_tree_add_item(lacp_tree, hf_lacp_actor_sysid_priority, tvb, offset, 2, ENC_BIG_ENDIAN);
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offset += 2;
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proto_tree_add_item(lacp_tree, hf_lacp_actor_sysid, tvb, offset, 6, ENC_NA);
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sysidstr = tvb_ether_to_str(tvb, offset);
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offset += 6;
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proto_tree_add_item_ret_uint(lacp_tree, hf_lacp_actor_key, tvb, offset, 2, ENC_BIG_ENDIAN, &key);
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offset += 2;
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proto_tree_add_item(lacp_tree, hf_lacp_actor_port_priority, tvb, offset, 2, ENC_BIG_ENDIAN);
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offset += 2;
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proto_tree_add_item_ret_uint(lacp_tree, hf_lacp_actor_port, tvb, offset, 2, ENC_BIG_ENDIAN, &port);
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offset += 2;
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proto_tree_add_bitmask_with_flags(lacp_tree, tvb, offset, hf_lacp_actor_state,
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ett_lacp_a_flags, actor_flags, ENC_NA, BMT_NO_INT|BMT_NO_TFS|BMT_NO_FALSE);
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flagstr = lacp_state_flags_to_str(tvb_get_guint8(tvb, offset));
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ti = proto_tree_add_string(lacp_tree, hf_lacp_actor_state_str, tvb, offset, 1, flagstr);
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PROTO_ITEM_SET_GENERATED(ti);
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offset += 1;
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proto_tree_add_item(lacp_tree, hf_lacp_actor_reserved, tvb, offset, 3, ENC_NA);
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offset += 3;
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col_append_fstr(pinfo->cinfo, COL_INFO, " ACTOR %s P: %d K: %d %s", sysidstr, port, key, flagstr);
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/* Partner */
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tlv_type_item = proto_tree_add_item_ret_uint(lacp_tree, hf_lacp_tlv_type, tvb, offset, 1, ENC_BIG_ENDIAN, &tlv_type);
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offset += 1;
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tlv_length_item = proto_tree_add_item_ret_uint(lacp_tree, hf_lacp_tlv_length, tvb, offset, 1, ENC_BIG_ENDIAN, &tlv_length);
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offset += 1;
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if (tlv_type != LACPDU_TYPE_PARTNER_INFORMATION) {
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expert_add_info(pinfo, tlv_type_item, &ei_lacp_wrong_tlv_type);
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}
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if (tlv_length != 20) {
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expert_add_info(pinfo, tlv_length_item, &ei_lacp_wrong_tlv_length);
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}
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proto_tree_add_item(lacp_tree, hf_lacp_partner_sysid_priority, tvb, offset, 2, ENC_BIG_ENDIAN);
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offset += 2;
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proto_tree_add_item(lacp_tree, hf_lacp_partner_sysid, tvb, offset, 6, ENC_NA);
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sysidstr = tvb_ether_to_str(tvb, offset);
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offset += 6;
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proto_tree_add_item_ret_uint(lacp_tree, hf_lacp_partner_key, tvb, offset, 2, ENC_BIG_ENDIAN, &key);
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offset += 2;
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proto_tree_add_item(lacp_tree, hf_lacp_partner_port_priority, tvb, offset, 2, ENC_BIG_ENDIAN);
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offset += 2;
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proto_tree_add_item_ret_uint(lacp_tree, hf_lacp_partner_port, tvb, offset, 2, ENC_BIG_ENDIAN, &port);
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offset += 2;
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proto_tree_add_bitmask_with_flags(lacp_tree, tvb, offset, hf_lacp_partner_state, ett_lacp_p_flags, partner_flags, ENC_NA, BMT_NO_INT|BMT_NO_TFS|BMT_NO_FALSE);
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flagstr = lacp_state_flags_to_str(tvb_get_guint8(tvb, offset));
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ti = proto_tree_add_string(lacp_tree, hf_lacp_partner_state_str, tvb, offset, 1, flagstr);
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PROTO_ITEM_SET_GENERATED(ti);
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offset += 1;
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proto_tree_add_item(lacp_tree, hf_lacp_partner_reserved, tvb, offset, 3, ENC_NA);
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offset += 3;
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col_append_fstr(pinfo->cinfo, COL_INFO, " PARTNER %s P: %d K: %d %s", sysidstr, port, key, flagstr);
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/* Collector */
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tlv_type_item = proto_tree_add_item_ret_uint(lacp_tree, hf_lacp_tlv_type, tvb, offset, 1, ENC_BIG_ENDIAN, &tlv_type);
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offset += 1;
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tlv_length_item = proto_tree_add_item_ret_uint(lacp_tree, hf_lacp_tlv_length, tvb, offset, 1, ENC_BIG_ENDIAN, &tlv_length);
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offset += 1;
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if (tlv_type != LACPDU_TYPE_COLLECTOR_INFORMATION) {
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expert_add_info(pinfo, tlv_type_item, &ei_lacp_wrong_tlv_type);
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}
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if (tlv_length != 16) {
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expert_add_info(pinfo, tlv_length_item, &ei_lacp_wrong_tlv_length);
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}
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proto_tree_add_item(lacp_tree, hf_lacp_coll_max_delay, tvb, offset, 2, ENC_BIG_ENDIAN);
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offset += 2;
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proto_tree_add_item(lacp_tree, hf_lacp_coll_reserved, tvb, offset, 12, ENC_NA);
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offset += 12;
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/* col_append_fstr(pinfo->cinfo, COL_INFO, " COLLECTOR"); */
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/* Other TLVs (LACP version 2) */
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proto_tree_add_item_ret_uint(lacp_tree, hf_lacp_tlv_type, tvb, offset, 1, ENC_BIG_ENDIAN, &tlv_type);
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offset += 1;
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tlv_length_item = proto_tree_add_item_ret_uint(lacp_tree, hf_lacp_tlv_length, tvb, offset, 1, ENC_BIG_ENDIAN, &tlv_length);
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offset += 1;
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while (tlv_type != LACPDU_TYPE_TERMINATOR && tlv_length >= 2) {
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offset += (tlv_length - 2);
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proto_tree_add_item_ret_uint(lacp_tree, hf_lacp_tlv_type, tvb, offset, 1, ENC_BIG_ENDIAN, &tlv_type);
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offset += 1;
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tlv_length_item = proto_tree_add_item_ret_uint(lacp_tree, hf_lacp_tlv_length, tvb, offset, 1, ENC_BIG_ENDIAN, &tlv_length);
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offset += 1;
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}
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/* Terminator - already handled */
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if (tlv_length != 0) {
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expert_add_info(pinfo, tlv_length_item, &ei_lacp_wrong_tlv_length);
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}
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/* Pad */
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if (offset < (128 - 1 - 18)) { /* LACPv1 fixed size - Eth */
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proto_tree_add_item(lacp_tree, hf_lacp_pad, tvb, offset, (128 - 1 - 18)-offset, ENC_NA);
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offset += ((128 - 1 - 18)-offset);
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}
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/* HP specific stuff (in violation of standard) */
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length_remaining = tvb_reported_length_remaining(tvb, offset);
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if (length_remaining) {
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proto_tree_add_item(lacp_tree, hf_lacp_vendor, tvb, offset, length_remaining, ENC_NA);
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/* HP LACP MAD IRF, first bytes is always 0x64 and second bytes is the rest of length */
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if (length_remaining > 2 && (tvb_get_guint8(tvb, offset) == 0x64) && ((length_remaining -2) == tvb_get_guint8(tvb, offset+1)) )
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{
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proto_tree_add_item(lacp_tree, hf_lacp_vendor_hp_unknown, tvb, offset, 1, ENC_NA);
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offset += 1;
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proto_tree_add_item(lacp_tree, hf_lacp_vendor_hp_length, tvb, offset, 1, ENC_NA);
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offset += 1;
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proto_tree_add_item(lacp_tree, hf_lacp_vendor_hp_unknown, tvb, offset, 2, ENC_NA);
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offset += 2;
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proto_tree_add_item(lacp_tree, hf_lacp_vendor_hp_irf_domain, tvb, offset, 2, ENC_NA);
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offset += 2;
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proto_tree_add_item(lacp_tree, hf_lacp_vendor_hp_irf_mac, tvb, offset, 6, ENC_NA);
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offset += 6;
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proto_tree_add_item(lacp_tree, hf_lacp_vendor_hp_unknown, tvb, offset, 8, ENC_NA);
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offset += 8;
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proto_tree_add_item(lacp_tree, hf_lacp_vendor_hp_irf_switch, tvb, offset, 2, ENC_NA);
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offset += 2;
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proto_tree_add_item(lacp_tree, hf_lacp_vendor_hp_irf_port, tvb, offset, 2, ENC_NA);
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offset += 2;
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proto_tree_add_item(lacp_tree, hf_lacp_vendor_hp_unknown, tvb, offset, 2, ENC_NA);
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offset += 2;
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} else {
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offset += length_remaining;
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}
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}
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return offset;
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}
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/* Register the protocol with Wireshark */
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void
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proto_register_lacp(void)
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{
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/* Setup list of header fields */
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static hf_register_info hf[] = {
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{ &hf_lacp_version,
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{ "LACP Version", "lacp.version",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_lacp_tlv_type,
|
|
{ "TLV Type", "lacp.tlv_type",
|
|
FT_UINT8, BASE_HEX, VALS(lacp_type_vals), 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_lacp_tlv_length,
|
|
{ "TLV Length", "lacp.tlv_length",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_lacp_actor_sysid_priority,
|
|
{ "Actor System Priority", "lacp.actor.sys_priority",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_lacp_actor_sysid,
|
|
{ "Actor System ID", "lacp.actor.sysid",
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_lacp_actor_key,
|
|
{ "Actor Key", "lacp.actor.key",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_lacp_actor_port_priority,
|
|
{ "Actor Port Priority", "lacp.actor.port_priority",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_lacp_actor_port,
|
|
{ "Actor Port", "lacp.actor.port",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_lacp_actor_state,
|
|
{ "Actor State", "lacp.actor.state",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_lacp_actor_state_str,
|
|
{ "Actor State Flags", "lacp.actor.state_str",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_lacp_flags_a_activity,
|
|
{ "LACP Activity", "lacp.actor.state.activity",
|
|
FT_BOOLEAN, 8, TFS(&tfs_active_passive), LACPDU_FLAGS_ACTIVITY,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_lacp_flags_a_timeout,
|
|
{ "LACP Timeout", "lacp.actor.state.timeout",
|
|
FT_BOOLEAN, 8, TFS(&tfs_short_long_timeout), LACPDU_FLAGS_TIMEOUT,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_lacp_flags_a_aggregation,
|
|
{ "Aggregation", "lacp.actor.state.aggregation",
|
|
FT_BOOLEAN, 8, TFS(&tfs_aggregatable_individual), LACPDU_FLAGS_AGGREGATION,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_lacp_flags_a_sync,
|
|
{ "Synchronization", "lacp.actor.state.synchronization",
|
|
FT_BOOLEAN, 8, TFS(&tfs_in_sync_out_sync), LACPDU_FLAGS_SYNC,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_lacp_flags_a_collecting,
|
|
{ "Collecting", "lacp.actor.state.collecting",
|
|
FT_BOOLEAN, 8, TFS(&tfs_enabled_disabled), LACPDU_FLAGS_COLLECTING,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_lacp_flags_a_distrib,
|
|
{ "Distributing", "lacp.actor.state.distributing",
|
|
FT_BOOLEAN, 8, TFS(&tfs_enabled_disabled), LACPDU_FLAGS_DISTRIB,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_lacp_flags_a_defaulted,
|
|
{ "Defaulted", "lacp.actor.state.defaulted",
|
|
FT_BOOLEAN, 8, TFS(&tfs_yes_no), LACPDU_FLAGS_DEFAULTED,
|
|
"1 = Actor Rx machine is using DEFAULT Partner info, 0 = using info in Rx'd LACPDU", HFILL }},
|
|
|
|
{ &hf_lacp_flags_a_expired,
|
|
{ "Expired", "lacp.actor.state.expired",
|
|
FT_BOOLEAN, 8, TFS(&tfs_yes_no), LACPDU_FLAGS_EXPIRED,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_lacp_actor_reserved,
|
|
{ "Reserved", "lacp.actor.reserved",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_lacp_partner_sysid_priority,
|
|
{ "Partner System Priority", "lacp.partner.sys_priority",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_lacp_partner_sysid,
|
|
{ "Partner System", "lacp.partner.sysid",
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_lacp_partner_key,
|
|
{ "Partner Key", "lacp.partner.key",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_lacp_partner_port_priority,
|
|
{ "Partner Port Priority", "lacp.partner.port_priority",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_lacp_partner_port,
|
|
{ "Partner Port", "lacp.partner.port",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"The port number associated with this link assigned to the port by the Partner (via Management or Admin)", HFILL }},
|
|
|
|
{ &hf_lacp_partner_state,
|
|
{ "Partner State", "lacp.partner.state",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_lacp_partner_state_str,
|
|
{ "Partner State Flags", "lacp.partner.state_str",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_lacp_flags_p_activity,
|
|
{ "LACP Activity", "lacp.partner.state.activity",
|
|
FT_BOOLEAN, 8, TFS(&tfs_active_passive), LACPDU_FLAGS_ACTIVITY,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_lacp_flags_p_timeout,
|
|
{ "LACP Timeout", "lacp.partner.state.timeout",
|
|
FT_BOOLEAN, 8, TFS(&tfs_short_long_timeout), LACPDU_FLAGS_TIMEOUT,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_lacp_flags_p_aggregation,
|
|
{ "Aggregation", "lacp.partner.state.aggregation",
|
|
FT_BOOLEAN, 8, TFS(&tfs_aggregatable_individual), LACPDU_FLAGS_AGGREGATION,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_lacp_flags_p_sync,
|
|
{ "Synchronization", "lacp.partner.state.synchronization",
|
|
FT_BOOLEAN, 8, TFS(&tfs_in_sync_out_sync), LACPDU_FLAGS_SYNC,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_lacp_flags_p_collecting,
|
|
{ "Collecting", "lacp.partner.state.collecting",
|
|
FT_BOOLEAN, 8, TFS(&tfs_enabled_disabled), LACPDU_FLAGS_COLLECTING,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_lacp_flags_p_distrib,
|
|
{ "Distributing", "lacp.partner.state.distributing",
|
|
FT_BOOLEAN, 8, TFS(&tfs_enabled_disabled), LACPDU_FLAGS_DISTRIB,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_lacp_flags_p_defaulted,
|
|
{ "Defaulted", "lacp.partner.state.defaulted",
|
|
FT_BOOLEAN, 8, TFS(&tfs_yes_no), LACPDU_FLAGS_DEFAULTED,
|
|
"1 = Actor Rx machine is using DEFAULT Partner info, 0 = using info in Rx'd LACPDU", HFILL }},
|
|
|
|
{ &hf_lacp_flags_p_expired,
|
|
{ "Expired", "lacp.partner.state.expired",
|
|
FT_BOOLEAN, 8, TFS(&tfs_yes_no), LACPDU_FLAGS_EXPIRED,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_lacp_partner_reserved,
|
|
{ "Reserved", "lacp.partner.reserved",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_lacp_coll_max_delay,
|
|
{ "Collector Max Delay", "lacp.collector.max_delay",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"The max delay of the station sending the LACPDU (in tens of usecs)", HFILL }},
|
|
|
|
{ &hf_lacp_coll_reserved,
|
|
{ "Reserved", "lacp.coll_reserved",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_lacp_pad,
|
|
{ "Pad", "lacp.pad",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_lacp_vendor,
|
|
{ "Unknown vendor", "lacp.vendor",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
"Some extra bytes (Vendor Specific ?)", HFILL }},
|
|
|
|
/* HP IRF MAD LACP */
|
|
{ &hf_lacp_vendor_hp_length,
|
|
{ "Length", "lacp.vendor.hp.length",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"The length of HP TLV", HFILL }},
|
|
{ &hf_lacp_vendor_hp_irf_domain,
|
|
{ "IRF Domain", "lacp.vendor.hp.irf_domain",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_lacp_vendor_hp_irf_mac,
|
|
{ "IRF MAC", "lacp.vendor.hp.irf_mac",
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_lacp_vendor_hp_irf_switch,
|
|
{ "IRF Switch", "lacp.vendor.hp.irf_switch",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"Number of switch on the IRF stack", HFILL }},
|
|
{ &hf_lacp_vendor_hp_irf_port,
|
|
{ "IRF Port", "lacp.vendor.hp.irf_port",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"Stack ID where the LACP is attached", HFILL }},
|
|
{ &hf_lacp_vendor_hp_unknown,
|
|
{ "Unknown", "lacp.vendor.hp.unknown",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
};
|
|
|
|
/* Setup protocol subtree array */
|
|
|
|
static gint *ett[] = {
|
|
&ett_lacp,
|
|
&ett_lacp_a_flags,
|
|
&ett_lacp_p_flags,
|
|
};
|
|
|
|
static ei_register_info ei[] = {
|
|
{ &ei_lacp_wrong_tlv_type, { "lacp.wrong_tlv_type", PI_MALFORMED, PI_ERROR, "TLV is not expected type", EXPFILL }},
|
|
{ &ei_lacp_wrong_tlv_length, { "lacp.wrong_tlv_length", PI_MALFORMED, PI_ERROR, "TLV is not expected length", EXPFILL }},
|
|
};
|
|
|
|
expert_module_t* expert_lacp;
|
|
|
|
|
|
/* Register the protocol name and description */
|
|
|
|
proto_lacp = proto_register_protocol("LACP", "Link Aggregation Control Protocol", "lacp");
|
|
|
|
/* Required function calls to register the header fields and subtrees used */
|
|
|
|
proto_register_field_array(proto_lacp, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
expert_lacp = expert_register_protocol(proto_lacp);
|
|
expert_register_field_array(expert_lacp, ei, array_length(ei));
|
|
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_lacp(void)
|
|
{
|
|
dissector_handle_t lacp_handle;
|
|
|
|
lacp_handle = create_dissector_handle(dissect_lacp, proto_lacp);
|
|
dissector_add_uint("slow.subtype", LACP_SUBTYPE, lacp_handle);
|
|
}
|
|
|
|
/*
|
|
* 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:
|
|
*/
|