/* packet-lacp.c * Routines for Link Aggregation Control Protocol dissection. * IEEE Std 802.1AX-2014 Section 6.4.2.3 * Split from IEEE Std 802.3-2005 and named IEEE 802.3ad before that * * Copyright 2002 Steve Housley * * Wireshark - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * SPDX-License-Identifier: GPL-2.0-or-later */ #include "config.h" #include #include #include #include #include /* General declarations */ void proto_register_lacp(void); void proto_reg_handoff_lacp(void); static dissector_handle_t lacp_handle; #define VLACP_MAGIC_LACP 0x01010114 #define VLACP_MAGIC_MARKER 0x02010114 /* TLV Types */ #define LACPDU_TYPE_TERMINATOR 0x00 #define LACPDU_TYPE_ACTOR_INFORMATION 0x01 #define LACPDU_TYPE_PARTNER_INFORMATION 0x02 #define LACPDU_TYPE_COLLECTOR_INFORMATION 0x03 static const value_string lacp_type_vals[] = { { LACPDU_TYPE_TERMINATOR, "Terminator" }, { LACPDU_TYPE_ACTOR_INFORMATION, "Actor Information" }, { LACPDU_TYPE_PARTNER_INFORMATION, "Partner Information" }, { LACPDU_TYPE_COLLECTOR_INFORMATION, "Collector Information" }, { 0, NULL } }; /* Actor and Partner Flag bits */ #define LACPDU_FLAGS_ACTIVITY 0x01 #define LACPDU_FLAGS_TIMEOUT 0x02 #define LACPDU_FLAGS_AGGREGATION 0x04 #define LACPDU_FLAGS_SYNC 0x08 #define LACPDU_FLAGS_COLLECTING 0x10 #define LACPDU_FLAGS_DISTRIB 0x20 #define LACPDU_FLAGS_DEFAULTED 0x40 #define LACPDU_FLAGS_EXPIRED 0x80 /* Initialise the protocol and registered fields */ static int proto_lacp; static int hf_lacp_vlacp_subtype; static int hf_lacp_version; static int hf_lacp_tlv_type; static int hf_lacp_tlv_length; static int hf_lacp_actor_sysid_priority; static int hf_lacp_actor_sysid; static int hf_lacp_actor_key; static int hf_lacp_actor_port_priority; static int hf_lacp_actor_port; static int hf_lacp_actor_state; static int hf_lacp_actor_state_str; static int hf_lacp_flags_a_activity; static int hf_lacp_flags_a_timeout; static int hf_lacp_flags_a_aggregation; static int hf_lacp_flags_a_sync; static int hf_lacp_flags_a_collecting; static int hf_lacp_flags_a_distrib; static int hf_lacp_flags_a_defaulted; static int hf_lacp_flags_a_expired; static int hf_lacp_actor_reserved; static int hf_lacp_partner_sysid_priority; static int hf_lacp_partner_sysid; static int hf_lacp_partner_key; static int hf_lacp_partner_port_priority; static int hf_lacp_partner_port; static int hf_lacp_partner_state; static int hf_lacp_partner_state_str; static int hf_lacp_flags_p_activity; static int hf_lacp_flags_p_timeout; static int hf_lacp_flags_p_aggregation; static int hf_lacp_flags_p_sync; static int hf_lacp_flags_p_collecting; static int hf_lacp_flags_p_distrib; static int hf_lacp_flags_p_defaulted; static int hf_lacp_flags_p_expired; static int hf_lacp_partner_reserved; static int hf_lacp_coll_max_delay; static int hf_lacp_coll_reserved; static int hf_lacp_pad; static int hf_lacp_vendor; static int hf_lacp_vendor_hp_length; static int hf_lacp_vendor_hp_irf_domain; static int hf_lacp_vendor_hp_irf_mac; static int hf_lacp_vendor_hp_irf_switch; static int hf_lacp_vendor_hp_irf_port; static int hf_lacp_vendor_hp_unknown; /* Initialise the subtree pointers */ static gint ett_lacp; static gint ett_lacp_a_flags; static gint ett_lacp_p_flags; /* Expert Items */ static expert_field ei_lacp_wrong_tlv_type; static expert_field ei_lacp_wrong_tlv_length; static const true_false_string tfs_active_passive = { "Active", "Passive" }; static const true_false_string tfs_short_long_timeout = { "Short Timeout", "Long Timeout" }; static const true_false_string tfs_aggregatable_individual = { "Aggregatable", "Individual" }; static const true_false_string tfs_in_sync_out_sync = { "In Sync", "Out of Sync" }; static const char * lacp_state_flags_to_str(wmem_allocator_t *scope, guint32 value) { wmem_strbuf_t *buf = wmem_strbuf_new(scope, ""); const unsigned int flags_count = 8; const char first_letters[] = "EFDCSGSA"; unsigned int i; for (i = 0; i < flags_count; i++) { if (((value >> (flags_count - 1 - i)) & 1)) { wmem_strbuf_append_c(buf, first_letters[i]); } else { wmem_strbuf_append_c(buf, '*'); } } return wmem_strbuf_finalize(buf); } /* * Name: dissect_lacp * * Description: * This function is used to dissect the Link Aggregation Control Protocol * defined in IEEE 802.1AX * * Input Arguments: * tvb: buffer associated with the rcv packet (see tvbuff.h). * pinfo: structure associated with the rcv packet (see packet_info.h). * tree: the protocol tree associated with the rcv packet (see proto.h). * * Return Values: None * * Notes: */ static int dissect_lacp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { int offset = 0, length_remaining; guint tlv_type, tlv_length; guint version, port, key; const gchar *sysidstr, *flagstr; guint32 protodetect; guint8 is_vlacp; proto_tree *lacp_tree; proto_item *lacp_item, *tlv_type_item, *tlv_length_item; proto_item *ti; static int * const actor_flags[] = { &hf_lacp_flags_a_activity, &hf_lacp_flags_a_timeout, &hf_lacp_flags_a_aggregation, &hf_lacp_flags_a_sync, &hf_lacp_flags_a_collecting, &hf_lacp_flags_a_distrib, &hf_lacp_flags_a_defaulted, &hf_lacp_flags_a_expired, NULL }; static int * const partner_flags[] = { &hf_lacp_flags_p_activity, &hf_lacp_flags_p_timeout, &hf_lacp_flags_p_aggregation, &hf_lacp_flags_p_sync, &hf_lacp_flags_p_collecting, &hf_lacp_flags_p_distrib, &hf_lacp_flags_p_defaulted, &hf_lacp_flags_p_expired, NULL }; col_set_str(pinfo->cinfo, COL_PROTOCOL, "LACP"); col_set_str(pinfo->cinfo, COL_INFO, "Link Aggregation Control Protocol"); /* FIXME * Validate that the destination MAC address is one of the following * (IEEE 802.1AX-2014 6.2.11.2): * 01-80-C2-00-00-00: Nearest Customer Bridge group address * 01-80-C2-00-00-02: IEEE 802.3 Slow_Protocols_Mulitcast group address * 01-80-C2-00-00-03: Nearest non-TPMR Bridge group address */ protodetect = tvb_get_ntohl(tvb, 0); if ((protodetect == VLACP_MAGIC_LACP) || (protodetect == VLACP_MAGIC_MARKER)) { is_vlacp = 1; /* Add vLACP Heading */ lacp_item = proto_tree_add_protocol_format(tree, proto_lacp, tvb, 0, -1, "Virtual Link Aggregation Control Protocol"); } else { is_vlacp = 0; /* Add LACP Heading - Note: 1 byte for slowprotocol has been consumed already */ lacp_item = proto_tree_add_protocol_format(tree, proto_lacp, tvb, 0, -1, "Link Aggregation Control Protocol"); } lacp_tree = proto_item_add_subtree(lacp_item, ett_lacp); if (is_vlacp == 1) { proto_tree_add_item(lacp_tree, hf_lacp_vlacp_subtype, tvb, offset, 1, ENC_NA); offset += 1; } /* Version Number */ proto_tree_add_item_ret_uint(lacp_tree, hf_lacp_version, tvb, offset, 1, ENC_NA, &version); offset += 1; col_add_fstr(pinfo->cinfo, COL_INFO, "v%d", version); /* Actor */ tlv_type_item = proto_tree_add_item_ret_uint(lacp_tree, hf_lacp_tlv_type, tvb, offset, 1, ENC_BIG_ENDIAN, &tlv_type); offset += 1; tlv_length_item = proto_tree_add_item_ret_uint(lacp_tree, hf_lacp_tlv_length, tvb, offset, 1, ENC_BIG_ENDIAN, &tlv_length); offset += 1; if (tlv_type != LACPDU_TYPE_ACTOR_INFORMATION) { expert_add_info(pinfo, tlv_type_item, &ei_lacp_wrong_tlv_type); } if (tlv_length != 20) { expert_add_info(pinfo, tlv_length_item, &ei_lacp_wrong_tlv_length); } proto_tree_add_item(lacp_tree, hf_lacp_actor_sysid_priority, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; proto_tree_add_item(lacp_tree, hf_lacp_actor_sysid, tvb, offset, 6, ENC_NA); sysidstr = tvb_ether_to_str(pinfo->pool, tvb, offset); offset += 6; proto_tree_add_item_ret_uint(lacp_tree, hf_lacp_actor_key, tvb, offset, 2, ENC_BIG_ENDIAN, &key); offset += 2; proto_tree_add_item(lacp_tree, hf_lacp_actor_port_priority, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; proto_tree_add_item_ret_uint(lacp_tree, hf_lacp_actor_port, tvb, offset, 2, ENC_BIG_ENDIAN, &port); offset += 2; proto_tree_add_bitmask_with_flags(lacp_tree, tvb, offset, hf_lacp_actor_state, ett_lacp_a_flags, actor_flags, ENC_NA, BMT_NO_INT|BMT_NO_TFS|BMT_NO_FALSE); flagstr = lacp_state_flags_to_str(pinfo->pool, tvb_get_guint8(tvb, offset)); ti = proto_tree_add_string(lacp_tree, hf_lacp_actor_state_str, tvb, offset, 1, flagstr); proto_item_set_generated(ti); offset += 1; proto_tree_add_item(lacp_tree, hf_lacp_actor_reserved, tvb, offset, 3, ENC_NA); offset += 3; col_append_fstr(pinfo->cinfo, COL_INFO, " ACTOR %s P: %d K: %d %s", sysidstr, port, key, flagstr); /* Partner */ tlv_type_item = proto_tree_add_item_ret_uint(lacp_tree, hf_lacp_tlv_type, tvb, offset, 1, ENC_BIG_ENDIAN, &tlv_type); offset += 1; tlv_length_item = proto_tree_add_item_ret_uint(lacp_tree, hf_lacp_tlv_length, tvb, offset, 1, ENC_BIG_ENDIAN, &tlv_length); offset += 1; if (tlv_type != LACPDU_TYPE_PARTNER_INFORMATION) { expert_add_info(pinfo, tlv_type_item, &ei_lacp_wrong_tlv_type); } if (tlv_length != 20) { expert_add_info(pinfo, tlv_length_item, &ei_lacp_wrong_tlv_length); } proto_tree_add_item(lacp_tree, hf_lacp_partner_sysid_priority, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; proto_tree_add_item(lacp_tree, hf_lacp_partner_sysid, tvb, offset, 6, ENC_NA); sysidstr = tvb_ether_to_str(pinfo->pool, tvb, offset); offset += 6; proto_tree_add_item_ret_uint(lacp_tree, hf_lacp_partner_key, tvb, offset, 2, ENC_BIG_ENDIAN, &key); offset += 2; proto_tree_add_item(lacp_tree, hf_lacp_partner_port_priority, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; proto_tree_add_item_ret_uint(lacp_tree, hf_lacp_partner_port, tvb, offset, 2, ENC_BIG_ENDIAN, &port); offset += 2; 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); flagstr = lacp_state_flags_to_str(pinfo->pool, tvb_get_guint8(tvb, offset)); ti = proto_tree_add_string(lacp_tree, hf_lacp_partner_state_str, tvb, offset, 1, flagstr); proto_item_set_generated(ti); offset += 1; proto_tree_add_item(lacp_tree, hf_lacp_partner_reserved, tvb, offset, 3, ENC_NA); offset += 3; col_append_fstr(pinfo->cinfo, COL_INFO, " PARTNER %s P: %d K: %d %s", sysidstr, port, key, flagstr); /* Collector */ tlv_type_item = proto_tree_add_item_ret_uint(lacp_tree, hf_lacp_tlv_type, tvb, offset, 1, ENC_BIG_ENDIAN, &tlv_type); offset += 1; tlv_length_item = proto_tree_add_item_ret_uint(lacp_tree, hf_lacp_tlv_length, tvb, offset, 1, ENC_BIG_ENDIAN, &tlv_length); offset += 1; if (tlv_type != LACPDU_TYPE_COLLECTOR_INFORMATION) { expert_add_info(pinfo, tlv_type_item, &ei_lacp_wrong_tlv_type); } if (tlv_length != 16) { expert_add_info(pinfo, tlv_length_item, &ei_lacp_wrong_tlv_length); } proto_tree_add_item(lacp_tree, hf_lacp_coll_max_delay, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; proto_tree_add_item(lacp_tree, hf_lacp_coll_reserved, tvb, offset, 12, ENC_NA); offset += 12; /* col_append_fstr(pinfo->cinfo, COL_INFO, " COLLECTOR"); */ /* Other TLVs (LACP version 2) */ proto_tree_add_item_ret_uint(lacp_tree, hf_lacp_tlv_type, tvb, offset, 1, ENC_BIG_ENDIAN, &tlv_type); offset += 1; tlv_length_item = proto_tree_add_item_ret_uint(lacp_tree, hf_lacp_tlv_length, tvb, offset, 1, ENC_BIG_ENDIAN, &tlv_length); offset += 1; while (tlv_type != LACPDU_TYPE_TERMINATOR && tlv_length >= 2) { offset += (tlv_length - 2); proto_tree_add_item_ret_uint(lacp_tree, hf_lacp_tlv_type, tvb, offset, 1, ENC_BIG_ENDIAN, &tlv_type); offset += 1; tlv_length_item = proto_tree_add_item_ret_uint(lacp_tree, hf_lacp_tlv_length, tvb, offset, 1, ENC_BIG_ENDIAN, &tlv_length); offset += 1; } /* Terminator - already handled */ if (tlv_length != 0) { expert_add_info(pinfo, tlv_length_item, &ei_lacp_wrong_tlv_length); } /* Pad */ if (offset < (128 - 1 - 18)) { /* LACPv1 fixed size - Eth */ proto_tree_add_item(lacp_tree, hf_lacp_pad, tvb, offset, (128 - 1 - 18)-offset, ENC_NA); offset += ((128 - 1 - 18)-offset); } /* HP specific stuff (in violation of standard) */ length_remaining = tvb_reported_length_remaining(tvb, offset); if (length_remaining) { /* HP LACP MAD IRF, first bytes is always 0x64 and second bytes is the rest of length */ if (length_remaining > 2 && (tvb_get_guint8(tvb, offset) == 0x64) && ((length_remaining -2) == tvb_get_guint8(tvb, offset+1)) ) { proto_tree_add_item(lacp_tree, hf_lacp_vendor, tvb, offset, length_remaining, ENC_NA); proto_tree_add_item(lacp_tree, hf_lacp_vendor_hp_unknown, tvb, offset, 1, ENC_NA); offset += 1; proto_tree_add_item(lacp_tree, hf_lacp_vendor_hp_length, tvb, offset, 1, ENC_NA); offset += 1; proto_tree_add_item(lacp_tree, hf_lacp_vendor_hp_unknown, tvb, offset, 2, ENC_NA); offset += 2; proto_tree_add_item(lacp_tree, hf_lacp_vendor_hp_irf_domain, tvb, offset, 2, ENC_NA); offset += 2; proto_tree_add_item(lacp_tree, hf_lacp_vendor_hp_irf_mac, tvb, offset, 6, ENC_NA); offset += 6; proto_tree_add_item(lacp_tree, hf_lacp_vendor_hp_unknown, tvb, offset, 8, ENC_NA); offset += 8; proto_tree_add_item(lacp_tree, hf_lacp_vendor_hp_irf_switch, tvb, offset, 2, ENC_NA); offset += 2; proto_tree_add_item(lacp_tree, hf_lacp_vendor_hp_irf_port, tvb, offset, 2, ENC_NA); offset += 2; proto_tree_add_item(lacp_tree, hf_lacp_vendor_hp_unknown, tvb, offset, 2, ENC_NA); } else { /* Not the HP specific extras. Don't claim the remaining data. It may actually be an ethernet trailer. */ set_actual_length(tvb, tvb_captured_length(tvb) - length_remaining); proto_item_set_len(lacp_item, tvb_captured_length(tvb)); } } return tvb_captured_length(tvb); } /* Register the protocol with Wireshark */ void proto_register_lacp(void) { /* Setup list of header fields */ static hf_register_info hf[] = { { &hf_lacp_vlacp_subtype, { "vLACP subtype", "lacp.vlacp_subtype", FT_UINT8, BASE_DEC, NULL, 0x0, "Avaya vlacp unused lacp subtype byte", HFILL }}, { &hf_lacp_version, { "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)); lacp_handle = register_dissector("lacp", dissect_lacp, proto_lacp); } void proto_reg_handoff_lacp(void) { dissector_add_uint("slow.subtype", LACP_SUBTYPE, lacp_handle); dissector_add_uint("ethertype", ETHERTYPE_VLACP, lacp_handle); } /* * Editor modelines - https://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: */