/* * packet-fip.c * Routines for FIP dissection - FCoE Initialization Protocol * Copyright (c) 2008 Cisco Systems, Inc. (jeykholt@cisco.com) * * Wireshark - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * Based on packet-fcoe.c, Copyright 2006, Nuova Systems, (jre@nuovasystems.com) * Based on packet-fcp.c, Copyright 2001, Dinesh G Dutt (ddutt@cisco.com) * * SPDX-License-Identifier: GPL-2.0-or-later */ /* * For FIP protocol details, see http://t11.org. * This version uses preliminary details not yet standardized. * Based on http://www.t11.org/ftp/t11/pub/fc/bb-5/08-543v1.pdf * and http://www.t11.org/ftp/t11/pub/fc/bb-5/08-545v1.pdf */ #include "config.h" #include #include #include #include "packet-fc.h" void proto_register_fip(void); void proto_reg_handoff_fip(void); static dissector_handle_t fip_handle; /* * FIP protocol information. */ #define FIP_HEADER_LEN 10 #define FIP_BPW 4 /* bytes per descriptor length unit */ /* * FIP opcodes and subcodes. */ enum fip_opcode { FIP_OP_DISC = 1, /* discovery, advertisement, etc. */ FIP_OP_LS = 2, /* Link Service request or reply */ FIP_OP_CTRL = 3, /* control */ FIP_OP_VLAN = 4, /* VLAN request or reply */ FIP_OP_VN2VN = 5 /* VN_port to VN_port operation */ }; /* * Subcodes for FIP_OP_DISC. */ enum fip_disc_subcode { FIP_SC_SOL = 1, /* solicitation */ FIP_SC_ADV = 2 /* advertisement */ }; /* * Subcodes for FIP_OP_LS. */ enum fip_ls_subcode { FIP_SC_REQ = 1, /* request */ FIP_SC_REP = 2 /* reply */ }; enum fip_ctrl_subcode { FIP_SC_KA = 1, /* keep-alive */ FIP_SC_CVL = 2 /* clear virtual link */ }; enum fip_vlan_subcode { FIP_VL_REQ = 1, /* request */ FIP_VL_REP = 2 /* reply */ }; /* * Subcodes for FIP_OP_VN2VN. * XXX proposal */ enum fip_vn2vn_subcode { FIP_SC_VN_PROBE_REQ = 1, /* probe request */ FIP_SC_VN_PROBE_REP = 2, /* probe reply */ FIP_SC_VN_CLAIM_NOTIFY = 3, /* claim notification */ FIP_SC_VN_CLAIM_REP = 4, /* claim response */ FIP_SC_VN_BEACON = 5 /* beacon */ }; static const value_string fip_opcodes[] = { { FIP_OP_DISC, "Discovery" }, { FIP_OP_LS, "Link Service" }, { FIP_OP_CTRL, "Control" }, { FIP_OP_VLAN, "VLAN" }, { FIP_OP_VN2VN, "VN2VN" }, { 0, NULL } }; static const value_string fip_disc_subcodes[] = { { FIP_SC_SOL, "Solicitation" }, { FIP_SC_ADV, "Advertisement" }, { 0, NULL } }; static const value_string fip_ls_subcodes[] = { { FIP_SC_REQ, "ELS Request" }, { FIP_SC_REP, "ELS Response" }, { 0, NULL } }; static const value_string fip_ctrl_subcodes[] = { { FIP_SC_KA, "Keep-Alive" }, { FIP_SC_CVL, "Clear Virtual Link" }, { 0, NULL } }; static const value_string fip_vlan_subcodes[] = { { FIP_VL_REQ, "VLAN Request" }, { FIP_VL_REP, "VLAN Response" }, { 0, NULL } }; static const value_string fip_vn2vn_subcodes[] = { { FIP_SC_VN_PROBE_REQ, "Probe Request" }, { FIP_SC_VN_PROBE_REP, "Probe Reply" }, { FIP_SC_VN_CLAIM_NOTIFY, "Claim Notification" }, { FIP_SC_VN_CLAIM_REP, "Claim Response" }, { FIP_SC_VN_BEACON, "Beacon" }, { 0, NULL } }; /* * Descriptor types. */ enum fip_desc_type { FIP_DT_PRI = 1, /* priority for forwarder selection */ FIP_DT_MAC = 2, /* MAC address */ FIP_DT_MAP_OUI = 3, /* FC-MAP OUI */ FIP_DT_NAME = 4, /* switch name or node name */ FIP_DT_FAB = 5, /* fabric descriptor */ FIP_DT_FCOE_SIZE = 6, /* max FCoE frame size */ FIP_DT_FLOGI = 7, /* FLOGI request or response */ FIP_DT_FDISC = 8, /* FDISC request or response */ FIP_DT_LOGO = 9, /* LOGO request or response */ FIP_DT_ELP = 10, /* ELP request or response */ FIP_DT_VN = 11, /* VN_Port Info */ FIP_DT_FKA = 12, /* FIP keep-alive / advert. period */ FIP_DT_VEND = 13, /* Vendor-specific TLV */ FIP_DT_VLAN = 14, /* VLAN number */ FIP_DT_FC4F = 15 /* FC-4 features */ }; static const value_string fip_desc_types[] = { { FIP_DT_PRI, "Priority" }, { FIP_DT_MAC, "MAC Address" }, { FIP_DT_MAP_OUI, "FPMA MAP OUI" }, { FIP_DT_NAME, "Switch or Node Name" }, { FIP_DT_FAB, "Fabric Descriptor" }, { FIP_DT_FCOE_SIZE, "Max FCoE frame size" }, { FIP_DT_FLOGI, "FLOGI Encapsulation" }, { FIP_DT_FDISC, "FDISC Encapsulation" }, { FIP_DT_LOGO, "LOGO Encapsulation" }, { FIP_DT_ELP, "ELP Encapsulation" }, { FIP_DT_VN, "VN_Port Info" }, { FIP_DT_FKA, "FKA_ADV_Period" }, { FIP_DT_VEND, "Vendor_ID" }, { FIP_DT_VLAN, "VLAN" }, { FIP_DT_FC4F, "FC-4 features" }, { 0, NULL } }; static value_string_ext fip_desc_types_ext = VALUE_STRING_EXT_INIT(fip_desc_types); /* * flags in header fip_flags. */ enum fip_flag { FIP_FL_FPMA = 0x8000, /* supports FPMA fabric-provided MACs */ FIP_FL_SPMA = 0x4000, /* supports SPMA server-provided MACs */ FIP_FL_REC_P2P = 0x0008, /* recorded addr or point-to-point */ FIP_FL_AVAIL = 0x0004, /* available for FLOGI */ FIP_FL_SOL = 0x0002, /* this is a solicited message */ FIP_FL_FPORT = 0x0001 /* sent from an F port */ }; static int proto_fip = -1; static int hf_fip_ver = -1; static int hf_fip_reserved12 = -1; static int hf_fip_op = -1; static int hf_fip_reserved8 = -1; static int hf_fip_disc_subcode = -1; static int hf_fip_ls_subcode = -1; static int hf_fip_ctrl_subcode = -1; static int hf_fip_vlan_subcode = -1; static int hf_fip_vn2vn_subcode = -1; static int hf_fip_hex_subcode = -1; static int hf_fip_dlen = -1; static int hf_fip_flags = -1; static int hf_fip_flag_fpma = -1; static int hf_fip_flag_spma = -1; static int hf_fip_flag_rec_p2p = -1; static int hf_fip_flag_avail = -1; static int hf_fip_flag_sol = -1; static int hf_fip_flag_fport = -1; static int hf_fip_descriptors = -1; static int * const hf_fip_flags_fields[] = { &hf_fip_flag_fpma, &hf_fip_flag_spma, &hf_fip_flag_rec_p2p, &hf_fip_flag_avail, &hf_fip_flag_sol, &hf_fip_flag_fport, NULL }; static int hf_fip_desc_type = -1; static int hf_fip_desc_len = -1; static int hf_fip_desc_pri = -1; static int hf_fip_desc_mac = -1; static int hf_fip_desc_map = -1; static int hf_fip_desc_name = -1; static int hf_fip_desc_fab_vfid = -1; static int hf_fip_desc_fab_map = -1; static int hf_fip_desc_fab_name = -1; static int hf_fip_desc_fcoe_size = -1; static int hf_fip_desc_vn_mac = -1; static int hf_fip_desc_vn_fid = -1; static int hf_fip_desc_vn_wwpn = -1; static int hf_fip_desc_fka = -1; static int hf_fip_desc_vend = -1; static int hf_fip_desc_vend_data = -1; static int hf_fip_desc_vlan = -1; static int hf_fip_desc_unk = -1; static int hf_fip_desc_fc4f_types = -1; static int hf_fip_desc_fcp_feat = -1; static int hf_fip_type_ip = -1; static int hf_fip_type_fcp = -1; static int hf_fip_type_gs3 = -1; static int hf_fip_fcp_feat_i = -1; static int hf_fip_fcp_feat_t = -1; static int ett_fip = -1; static int ett_fip_flags = -1; static int ett_fip_dt_pri = -1; static int ett_fip_dt_mac = -1; static int ett_fip_dt_map = -1; static int ett_fip_dt_name = -1; static int ett_fip_dt_fab = -1; static int ett_fip_dt_mdl = -1; static int ett_fip_dt_caps = -1; static int ett_fip_dt_vn = -1; static int ett_fip_dt_fka = -1; static int ett_fip_dt_vend = -1; static int ett_fip_dt_vlan = -1; static int ett_fip_dt_unk = -1; static int ett_fip_dt_fc4f = -1; static int ett_fip_dt_fc4f_types = -1; static int ett_fip_dt_fcp_feat = -1; static expert_field ei_fip_descriptors = EI_INIT; static dissector_handle_t fc_handle; /* * Insert common descriptor type and length fields. */ static proto_tree* fip_desc_type_len(proto_tree *tree, tvbuff_t *tvb, guint8 dtype, int ett, proto_item** item) { proto_tree* ret_tree; ret_tree = proto_tree_add_subtree_format(tree, tvb, 0, -1, ett, item, "Descriptor: %s ", val_to_str_ext_const(dtype, &fip_desc_types_ext, "Unknown 0x%x")); proto_tree_add_item(ret_tree, hf_fip_desc_type, tvb, 0, 1, ENC_BIG_ENDIAN); proto_tree_add_item(ret_tree, hf_fip_desc_len, tvb, 1, 1, ENC_BIG_ENDIAN); return ret_tree; } /* * Dissect the FC-4 type features descriptor. */ static void fip_desc_fc4f(tvbuff_t *tvb, proto_tree *tree, proto_item *item) { guint mask; guint offset; static int * const types_word0[] = { /* types 0 - 31 */ &hf_fip_type_ip, &hf_fip_type_fcp, NULL }; static int * const types_word1[] = { /* types 32 - 63 */ &hf_fip_type_gs3, NULL }; static int * const fcp_feat[] = { &hf_fip_fcp_feat_t, &hf_fip_fcp_feat_i, NULL }; /* * First the 256-bit bitmask of types supported. */ offset = 4; proto_tree_add_bitmask(tree, tvb, offset, hf_fip_desc_fc4f_types, ett_fip_dt_fc4f_types, types_word0, ENC_BIG_ENDIAN); offset += 4; proto_tree_add_bitmask(tree, tvb, offset, hf_fip_desc_fc4f_types, ett_fip_dt_fc4f_types, types_word1, ENC_BIG_ENDIAN); offset += 256 / 8 - 4; /* skip to end of bitmask (32 bytes) */ /* * Next the 4-bit capabilities per type. * Only decode FCP (type 8) for now. */ offset += 8 / 2; /* skip first 8 types, 2 types per byte */ proto_tree_add_bitmask(tree, tvb, offset, hf_fip_desc_fcp_feat, ett_fip_dt_fcp_feat, fcp_feat, ENC_BIG_ENDIAN); mask = tvb_get_ntohl(tvb, offset); if (mask & 1) { proto_item_append_text(item, "FCP Target "); } if (mask & 2) { proto_item_append_text(item, "FCP Initiator "); } } static int dissect_fip(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { guint op; guint sub; guint rlen; proto_item *ti; proto_item *item; proto_tree *fip_tree; proto_tree *subtree; guint dtype; guint dlen; guint desc_offset; guint val; tvbuff_t *desc_tvb; const char *info; col_set_str(pinfo->cinfo, COL_PROTOCOL, "FIP"); col_clear(pinfo->cinfo, COL_INFO); if (!tvb_bytes_exist(tvb, 0, FIP_HEADER_LEN)) { col_set_str(pinfo->cinfo, COL_INFO, "[packet too short]"); proto_tree_add_protocol_format(tree, proto_fip, tvb, 0, -1, "FIP [packet too short]"); return tvb_captured_length(tvb); } op = tvb_get_ntohs(tvb, 2); sub = tvb_get_guint8(tvb, 5); switch (op) { case FIP_OP_DISC: info = val_to_str(sub, fip_disc_subcodes, "Discovery 0x%x"); break; case FIP_OP_LS: info = val_to_str(sub, fip_ls_subcodes, "Link Service 0x%x"); break; case FIP_OP_CTRL: info = val_to_str(sub, fip_ctrl_subcodes, "Control 0x%x"); break; case FIP_OP_VLAN: info = val_to_str(sub, fip_vlan_subcodes, "VLAN 0x%x"); break; case FIP_OP_VN2VN: info = val_to_str(sub, fip_vn2vn_subcodes, "VN2VN 0x%x"); break; default: info = val_to_str(op, fip_opcodes, "Unknown op 0x%x"); break; } col_add_str(pinfo->cinfo, COL_INFO, info); rlen = tvb_get_ntohs(tvb, 6); ti = proto_tree_add_protocol_format(tree, proto_fip, tvb, 0, FIP_HEADER_LEN + rlen * FIP_BPW, "FIP %s", info); fip_tree = proto_item_add_subtree(ti, ett_fip); proto_tree_add_item(fip_tree, hf_fip_ver, tvb, 0, 1, ENC_BIG_ENDIAN); proto_tree_add_item(fip_tree, hf_fip_reserved12, tvb, 0, 2, ENC_BIG_ENDIAN); proto_tree_add_item(fip_tree, hf_fip_op, tvb, 2, 2, ENC_BIG_ENDIAN); proto_tree_add_item(fip_tree, hf_fip_reserved8, tvb, 4, 1, ENC_NA); switch (op) { case FIP_OP_DISC: proto_tree_add_item(fip_tree, hf_fip_disc_subcode, tvb, 5, 1, ENC_BIG_ENDIAN); break; case FIP_OP_LS: proto_tree_add_item(fip_tree, hf_fip_ls_subcode, tvb, 5, 1, ENC_BIG_ENDIAN); break; case FIP_OP_CTRL: proto_tree_add_item(fip_tree, hf_fip_ctrl_subcode, tvb, 5, 1, ENC_BIG_ENDIAN); break; case FIP_OP_VLAN: proto_tree_add_item(fip_tree, hf_fip_vlan_subcode, tvb, 5, 1, ENC_BIG_ENDIAN); break; case FIP_OP_VN2VN: proto_tree_add_item(fip_tree, hf_fip_vn2vn_subcode, tvb, 5, 1, ENC_BIG_ENDIAN); break; default: proto_tree_add_item(fip_tree, hf_fip_hex_subcode, tvb, 5, 1, ENC_BIG_ENDIAN); break; } proto_tree_add_item(fip_tree, hf_fip_dlen, tvb, 6, 2, ENC_BIG_ENDIAN); proto_tree_add_bitmask(fip_tree, tvb, 8, hf_fip_flags, ett_fip_flags, hf_fip_flags_fields, ENC_BIG_ENDIAN); desc_offset = FIP_HEADER_LEN; rlen *= FIP_BPW; proto_tree_add_bytes_format(fip_tree, hf_fip_descriptors, tvb, desc_offset, rlen, NULL, "Descriptors"); while ((rlen > 0) && tvb_bytes_exist(tvb, desc_offset, 2)) { dlen = tvb_get_guint8(tvb, desc_offset + 1) * FIP_BPW; if (!dlen) { proto_tree_add_expert(fip_tree, pinfo, &ei_fip_descriptors, tvb, desc_offset, -1); break; } if (!tvb_bytes_exist(tvb, desc_offset, dlen) || dlen > rlen) { break; } desc_tvb = tvb_new_subset_length_caplen(tvb, desc_offset, dlen, -1); dtype = tvb_get_guint8(desc_tvb, 0); desc_offset += dlen; rlen -= dlen; switch (dtype) { case FIP_DT_PRI: subtree = fip_desc_type_len(fip_tree, desc_tvb, dtype, ett_fip_dt_pri, &item); proto_tree_add_item(subtree, hf_fip_desc_pri, desc_tvb, 3, 1, ENC_BIG_ENDIAN); proto_item_append_text(item, "%u", tvb_get_guint8(desc_tvb, 3)); break; case FIP_DT_MAC: subtree = fip_desc_type_len(fip_tree, desc_tvb, dtype, ett_fip_dt_mac, &item); proto_tree_add_item(subtree, hf_fip_desc_mac, desc_tvb, 2, 6, ENC_NA); proto_item_append_text(item, "%s", tvb_bytes_to_str_punct(pinfo->pool, desc_tvb, 2, 6, ':')); break; case FIP_DT_MAP_OUI: subtree = fip_desc_type_len(fip_tree, desc_tvb, dtype, ett_fip_dt_map, &item); proto_tree_add_item(subtree, hf_fip_desc_map, desc_tvb, 5, 3, ENC_NA); proto_item_append_text(item, "%s", tvb_fc_to_str(pinfo->pool, desc_tvb, 5)); break; case FIP_DT_NAME: subtree = fip_desc_type_len(fip_tree, desc_tvb, dtype, ett_fip_dt_name, &item); proto_tree_add_item(subtree, hf_fip_desc_name, desc_tvb, 4, 8, ENC_NA); proto_item_append_text(item, "%s", tvb_fcwwn_to_str(pinfo->pool, desc_tvb, 4)); break; case FIP_DT_FAB: subtree = fip_desc_type_len(fip_tree, desc_tvb, dtype, ett_fip_dt_fab, &item); proto_tree_add_item(subtree, hf_fip_desc_fab_vfid, desc_tvb, 2, 2, ENC_BIG_ENDIAN); proto_tree_add_item(subtree, hf_fip_desc_fab_map, desc_tvb, 5, 3, ENC_NA); proto_tree_add_item(subtree, hf_fip_desc_fab_name, desc_tvb, 8, 8, ENC_NA); proto_item_append_text(item, "%s", tvb_fcwwn_to_str(pinfo->pool, desc_tvb, 8)); break; case FIP_DT_FCOE_SIZE: subtree = fip_desc_type_len(fip_tree, desc_tvb, dtype, ett_fip_dt_mdl, &item); proto_tree_add_item(subtree, hf_fip_desc_fcoe_size, desc_tvb, 2, 2, ENC_BIG_ENDIAN); proto_item_append_text(item, "%u", tvb_get_ntohs(desc_tvb, 2)); break; case FIP_DT_FLOGI: case FIP_DT_FDISC: case FIP_DT_LOGO: case FIP_DT_ELP: { tvbuff_t *ls_tvb; fc_data_t fc_data = {ETHERTYPE_FIP, 0}; subtree = fip_desc_type_len(fip_tree, desc_tvb, dtype, ett_fip_dt_caps, &item); ls_tvb = tvb_new_subset_length_caplen(desc_tvb, 4, dlen - 4, -1); call_dissector_with_data(fc_handle, ls_tvb, pinfo, subtree, &fc_data); proto_item_append_text(item, "%u bytes", dlen - 4); } break; case FIP_DT_VN: subtree = fip_desc_type_len(fip_tree, desc_tvb, dtype, ett_fip_dt_vn, &item); proto_tree_add_item(subtree, hf_fip_desc_vn_mac, desc_tvb, 2, 6, ENC_NA); proto_tree_add_item(subtree, hf_fip_desc_vn_fid, desc_tvb, 9, 3, ENC_BIG_ENDIAN); proto_tree_add_item(subtree, hf_fip_desc_vn_wwpn, desc_tvb, 12, 8, ENC_NA); proto_item_append_text(item, "MAC %s FC_ID %6.6x", tvb_bytes_to_str_punct(pinfo->pool, desc_tvb, 2, 6, ':'), tvb_get_ntoh24(desc_tvb, 9)); break; case FIP_DT_FKA: subtree = fip_desc_type_len(fip_tree, desc_tvb, dtype, ett_fip_dt_fka, &item); val = tvb_get_ntohl(desc_tvb, 4); proto_tree_add_uint_format_value(subtree, hf_fip_desc_fka, desc_tvb, 4, 4, val, "%u ms", val); proto_item_append_text(item, "%u ms", val); break; case FIP_DT_VEND: subtree = fip_desc_type_len(fip_tree, desc_tvb, dtype, ett_fip_dt_vend, &item); proto_tree_add_item(subtree, hf_fip_desc_vend, desc_tvb, 4, 8, ENC_NA); if (tvb_reported_length_remaining(desc_tvb, 9)) { proto_tree_add_item(subtree, hf_fip_desc_vend_data, desc_tvb, 9, -1, ENC_NA); } break; case FIP_DT_VLAN: subtree = fip_desc_type_len(fip_tree, desc_tvb, dtype, ett_fip_dt_vlan, &item); proto_tree_add_item(subtree, hf_fip_desc_vlan, desc_tvb, 2, 2, ENC_BIG_ENDIAN); proto_item_append_text(item, "%u", tvb_get_ntohs(desc_tvb, 2)); break; case FIP_DT_FC4F: subtree = fip_desc_type_len(fip_tree, desc_tvb, dtype, ett_fip_dt_fc4f, &item); fip_desc_fc4f(desc_tvb, subtree, item); break; default: subtree = fip_desc_type_len(fip_tree, desc_tvb, dtype, ett_fip_dt_unk, &item); proto_tree_add_item(subtree, hf_fip_desc_unk, desc_tvb, 2, -1, ENC_NA); break; } } return tvb_captured_length(tvb); } void proto_register_fip(void) { /* Setup list of header fields See Section 1.6.1 for details*/ static hf_register_info hf[] = { /* * FIP header fields. */ { &hf_fip_ver, { "Version", "fip.ver", FT_UINT8, BASE_DEC, NULL, 0xf0, NULL, HFILL}}, { &hf_fip_reserved12, { "Reserved", "fip.reserved", FT_UINT16, BASE_HEX, NULL, 0x0fff, NULL, HFILL}}, { &hf_fip_op, { "Opcode", "fip.opcode", FT_UINT16, BASE_HEX, VALS(fip_opcodes), 0, NULL, HFILL}}, { &hf_fip_reserved8, { "Reserved", "fip.reserved", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL}}, { &hf_fip_disc_subcode, { "Discovery Subcode", "fip.disc_subcode", FT_UINT8, BASE_HEX, VALS(fip_disc_subcodes), 0, NULL, HFILL}}, { &hf_fip_ls_subcode, { "Link Service Subcode", "fip.ls.subcode", FT_UINT8, BASE_HEX, VALS(fip_ls_subcodes), 0, NULL, HFILL}}, { &hf_fip_ctrl_subcode, { "Control Subcode", "fip.ctrl_subcode", FT_UINT8, BASE_HEX, VALS(fip_ctrl_subcodes), 0, NULL, HFILL}}, { &hf_fip_vlan_subcode, { "VLAN Subcode", "fip.vlan_subcode", FT_UINT8, BASE_HEX, VALS(fip_vlan_subcodes), 0, NULL, HFILL}}, { &hf_fip_vn2vn_subcode, { "VN2VN Subcode", "fip.vn2vn_subcode", FT_UINT8, BASE_HEX, VALS(fip_vn2vn_subcodes), 0, NULL, HFILL}}, { &hf_fip_hex_subcode, { "Unknown Subcode", "fip.subcode", FT_UINT8, BASE_HEX, NULL, 0, NULL, HFILL}}, { &hf_fip_dlen, { "Length of Descriptors (words)", "fip.dl_len", FT_UINT16, BASE_DEC, NULL, 0, NULL, HFILL}}, { &hf_fip_flags, { "Flags", "fip.flags", FT_UINT16, BASE_HEX, NULL, 0, NULL, HFILL}}, { &hf_fip_flag_fpma, { "Fabric Provided MAC addr", "fip.flags.fpma", FT_BOOLEAN, 16, NULL, FIP_FL_FPMA, NULL, HFILL}}, { &hf_fip_flag_spma, { "Server Provided MAC addr", "fip.flags.spma", FT_BOOLEAN, 16, NULL, FIP_FL_SPMA, NULL, HFILL}}, { &hf_fip_flag_rec_p2p, { "REC/P2P", "fip.flags.rec_p2p", FT_BOOLEAN, 16, NULL, FIP_FL_REC_P2P, NULL, HFILL}}, { &hf_fip_flag_avail, { "Available", "fip.flags.available", FT_BOOLEAN, 16, NULL, FIP_FL_AVAIL, NULL, HFILL}}, { &hf_fip_flag_sol, { "Solicited", "fip.flags.sol", FT_BOOLEAN, 16, NULL, FIP_FL_SOL, NULL, HFILL}}, { &hf_fip_flag_fport, { "F_Port", "fip.flags.fport", FT_BOOLEAN, 16, NULL, FIP_FL_FPORT, NULL, HFILL}}, { &hf_fip_desc_type, { "Descriptor Type", "fip.desc_type", FT_UINT8, BASE_HEX | BASE_EXT_STRING, &fip_desc_types_ext, 0, NULL, HFILL}}, { &hf_fip_desc_len, { "Descriptor Length (words)", "fip.desc_len", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL}}, /* * Various descriptor fields. */ { &hf_fip_desc_pri, { "Priority", "fip.pri", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL}}, { &hf_fip_desc_mac, { "MAC Address", "fip.mac", FT_ETHER, BASE_NONE, NULL, 0, NULL, HFILL}}, { &hf_fip_desc_map, { "FC-MAP-OUI", "fip.map", FT_BYTES, SEP_DOT, NULL, 0, NULL, HFILL}}, { &hf_fip_desc_name, { "Switch or Node Name", "fip.name", FT_FCWWN, BASE_NONE, NULL, 0, NULL, HFILL}}, { &hf_fip_desc_fab_vfid, { "VFID", "fip.fab.vfid", FT_UINT16, BASE_DEC, NULL, 0, NULL, HFILL}}, { &hf_fip_desc_fab_map, { "FC-MAP", "fip.fab.map", FT_BYTES, SEP_DOT, NULL, 0, NULL, HFILL}}, { &hf_fip_desc_fab_name, { "Fabric Name", "fip.fab.name", FT_FCWWN, BASE_NONE, NULL, 0, NULL, HFILL}}, { &hf_fip_desc_fcoe_size, { "Max FCoE frame size", "fip.fcoe_size", FT_UINT16, BASE_DEC, NULL, 0, NULL, HFILL}}, { &hf_fip_desc_vn_mac, { "VN_Port MAC Address", "fip.vn.mac", FT_ETHER, BASE_NONE, NULL, 0, NULL, HFILL}}, { &hf_fip_desc_vn_fid, { "VN_Port FC_ID", "fip.vn.fc_id", FT_UINT32, BASE_HEX, NULL, 0, NULL, HFILL}}, { &hf_fip_desc_vn_wwpn, { "Port Name", "fip.vn.pwwn", FT_FCWWN, BASE_NONE, NULL, 0, NULL, HFILL}}, { &hf_fip_desc_fka, { "FKA_ADV_Period", "fip.fka", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL}}, { &hf_fip_desc_vend, { "Vendor-ID", "fip.vendor", FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL}}, { &hf_fip_desc_vend_data, { "Vendor-specific data", "fip.vendor.data", FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL}}, { &hf_fip_desc_vlan, { "VLAN", "fip.vlan", FT_UINT16, BASE_DEC, NULL, 0, NULL, HFILL}}, { &hf_fip_desc_fc4f_types, { "FC4 Types", "fip.fc4f.types", FT_UINT32, BASE_HEX, NULL, 0, NULL, HFILL}}, { &hf_fip_desc_fcp_feat, { "FCP Features", "fip.fc4f.feat.fcp", FT_UINT32, BASE_HEX, NULL, 0xf, NULL, HFILL}}, { &hf_fip_type_ip, { "IP", "fip.fc4f.ip", FT_BOOLEAN, 32, NULL, 1 << 5, NULL, HFILL}}, { &hf_fip_type_fcp, { "FCP", "fip.fc4f.fcp", FT_BOOLEAN, 32, NULL, 1 << 8, NULL, HFILL}}, { &hf_fip_type_gs3, { "GS3", "fip.fc4f.gs3", FT_BOOLEAN, 32, NULL, 1 << 0, NULL, HFILL}}, { &hf_fip_fcp_feat_t, { "FCP Target", "fip.fc4f.feat.fcp.target", FT_BOOLEAN, 32, NULL, 1, NULL, HFILL}}, { &hf_fip_fcp_feat_i, { "FCP Initiator", "fip.fc4f.feat.fcp.initiator", FT_BOOLEAN, 32, NULL, 2, NULL, HFILL}}, { &hf_fip_desc_unk, { "Unknown Descriptor", "fip.desc_unk", FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL}}, { &hf_fip_descriptors, { "Descriptors", "fip.descriptors", FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL}}, }; static gint *ett[] = { &ett_fip, &ett_fip_flags, &ett_fip_dt_pri, &ett_fip_dt_mac, &ett_fip_dt_map, &ett_fip_dt_name, &ett_fip_dt_fab, &ett_fip_dt_mdl, &ett_fip_dt_caps, &ett_fip_dt_vn, &ett_fip_dt_fka, &ett_fip_dt_vend, &ett_fip_dt_vlan, &ett_fip_dt_fc4f, &ett_fip_dt_fc4f_types, &ett_fip_dt_fcp_feat, &ett_fip_dt_unk }; static ei_register_info ei[] = { { &ei_fip_descriptors, { "fip.descriptors.length_error", PI_MALFORMED, PI_ERROR, "Descriptor [length error]", EXPFILL }}, }; expert_module_t* expert_fip; /* Register the protocol name and description */ proto_fip = proto_register_protocol("FCoE Initialization Protocol", "FIP", "fip"); fip_handle = register_dissector("fip", dissect_fip, proto_fip); /* Required function calls to register the header fields and * subtrees used */ proto_register_field_array(proto_fip, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); expert_fip = expert_register_protocol(proto_fip); expert_register_field_array(expert_fip, ei, array_length(ei)); } /* * This function name is required because a script is used to find these * routines and create the code that calls these routines. */ void proto_reg_handoff_fip(void) { dissector_add_uint("ethertype", ETHERTYPE_FIP, fip_handle); fc_handle = find_dissector_add_dependency("fc", proto_fip); } /* * 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: */