/* packet-mip6.c * * $Id: packet-mip6.c,v 1.2 2003/02/13 22:23:20 guy Exp $ * * Routines for Mobile IPv6 dissection (draft-ietf-mobileip-ipv6-20.txt) * Copyright 2003 Oy L M Ericsson Ab * * Ethereal - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include "ipproto.h" #include "packet-mip6.h" /* Initialize the protocol and registered header fields */ static int proto_mip6 = -1; static int hf_mip6_proto = -1; static int hf_mip6_hlen = -1; static int hf_mip6_mhtype = -1; static int hf_mip6_reserved = -1; static int hf_mip6_csum = -1; static int hf_mip6_hoti_cookie = -1; static int hf_mip6_coti_cookie = -1; static int hf_mip6_hot_nindex = -1; static int hf_mip6_hot_cookie = -1; static int hf_mip6_hot_token = -1; static int hf_mip6_cot_nindex = -1; static int hf_mip6_cot_cookie = -1; static int hf_mip6_cot_token = -1; static int hf_mip6_bu_seqnr = -1; static int hf_mip6_bu_a_flag = -1; static int hf_mip6_bu_h_flag = -1; static int hf_mip6_bu_l_flag = -1; static int hf_mip6_bu_k_flag = -1; static int hf_mip6_bu_lifetime = -1; static int hf_mip6_ba_status = -1; static int hf_mip6_ba_k_flag = -1; static int hf_mip6_ba_seqnr = -1; static int hf_mip6_ba_lifetime = -1; static int hf_mip6_be_status = -1; static int hf_mip6_be_haddr = -1; static int hf_mip6_bra_interval = -1; static int hf_mip6_acoa_acoa = -1; static int hf_mip6_ni_hni = -1; static int hf_mip6_ni_cni = -1; static int hf_mip6_bad_auth = -1; /* Initialize the subtree pointers */ static gint ett_mip6 = -1; /* Functions to dissect the mobility headers */ static int dissect_mip6_brr(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo) { proto_tree *data_tree = NULL; proto_item *ti; if (check_col(pinfo->cinfo, COL_INFO)) col_set_str(pinfo->cinfo, COL_INFO, "Binding Refresh Request"); if (mip6_tree) { ti = proto_tree_add_text(mip6_tree, tvb, MIP6_DATA_OFF, MIP6_BRR_LEN, "Binding Refresh Request"); data_tree = proto_item_add_subtree(ti, ett_mip6); } return MIP6_DATA_OFF+MIP6_BRR_LEN; } static int dissect_mip6_hoti(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo) { proto_tree *data_tree = NULL; proto_item *ti; if (check_col(pinfo->cinfo, COL_INFO)) col_set_str(pinfo->cinfo, COL_INFO, "Home Test Init"); if (mip6_tree) { ti = proto_tree_add_text(mip6_tree, tvb, MIP6_DATA_OFF, MIP6_HOTI_LEN, "Home Test Init"); data_tree = proto_item_add_subtree(ti, ett_mip6); proto_tree_add_item(data_tree, hf_mip6_hoti_cookie, tvb, MIP6_HOTI_COOKIE_OFF, MIP6_HOTI_COOKIE_LEN, FALSE); } return MIP6_DATA_OFF+MIP6_HOTI_LEN; } static int dissect_mip6_coti(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo) { proto_tree *data_tree = NULL; proto_item *ti; if (check_col(pinfo->cinfo, COL_INFO)) col_set_str(pinfo->cinfo, COL_INFO, "Care-of Test Init"); if (mip6_tree) { ti = proto_tree_add_text(mip6_tree, tvb, MIP6_DATA_OFF, MIP6_COTI_LEN, "Care-of Test Init"); data_tree = proto_item_add_subtree(ti, ett_mip6); proto_tree_add_item(data_tree, hf_mip6_coti_cookie, tvb, MIP6_COTI_COOKIE_OFF, MIP6_COTI_COOKIE_LEN, FALSE); } return MIP6_DATA_OFF+MIP6_COTI_LEN; } static int dissect_mip6_hot(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo) { proto_tree *data_tree = NULL; proto_item *ti; if (check_col(pinfo->cinfo, COL_INFO)) col_set_str(pinfo->cinfo, COL_INFO, "Home Test"); if (mip6_tree) { ti = proto_tree_add_text(mip6_tree, tvb, MIP6_DATA_OFF, MIP6_HOT_LEN, "Home Test"); data_tree = proto_item_add_subtree(ti, ett_mip6); proto_tree_add_item(data_tree, hf_mip6_hot_nindex, tvb, MIP6_HOT_INDEX_OFF, MIP6_HOT_INDEX_LEN, FALSE); proto_tree_add_item(data_tree, hf_mip6_hot_cookie, tvb, MIP6_HOT_COOKIE_OFF, MIP6_HOT_COOKIE_LEN, FALSE); proto_tree_add_item(data_tree, hf_mip6_hot_token, tvb, MIP6_HOT_TOKEN_OFF, MIP6_HOT_TOKEN_LEN, FALSE); } return MIP6_DATA_OFF+MIP6_HOT_LEN; } static int dissect_mip6_cot(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo) { proto_tree *data_tree = NULL; proto_item *ti; if (check_col(pinfo->cinfo, COL_INFO)) col_set_str(pinfo->cinfo, COL_INFO, "Care-of Test"); if (mip6_tree) { ti = proto_tree_add_text(mip6_tree, tvb, MIP6_DATA_OFF, MIP6_COT_LEN, "Care-of Test"); data_tree = proto_item_add_subtree(ti, ett_mip6); proto_tree_add_item(data_tree, hf_mip6_cot_nindex, tvb, MIP6_COT_INDEX_OFF, MIP6_COT_INDEX_LEN, FALSE); proto_tree_add_item(data_tree, hf_mip6_cot_cookie, tvb, MIP6_COT_COOKIE_OFF, MIP6_COT_COOKIE_LEN, FALSE); proto_tree_add_item(data_tree, hf_mip6_hot_token, tvb, MIP6_COT_TOKEN_OFF, MIP6_COT_TOKEN_LEN, FALSE); } return MIP6_DATA_OFF+MIP6_COT_LEN; } static int dissect_mip6_bu(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo) { proto_tree *data_tree = NULL; proto_item *ti; int lifetime; if (check_col(pinfo->cinfo, COL_INFO)) col_set_str(pinfo->cinfo, COL_INFO, "Binding Update"); if (mip6_tree) { ti = proto_tree_add_text(mip6_tree, tvb, MIP6_DATA_OFF, MIP6_BU_LEN, "Binding Update"); data_tree = proto_item_add_subtree(ti, ett_mip6); proto_tree_add_item(data_tree, hf_mip6_bu_seqnr, tvb, MIP6_BU_SEQNR_OFF, MIP6_BU_SEQNR_LEN, FALSE); proto_tree_add_item(data_tree, hf_mip6_bu_a_flag, tvb, MIP6_BU_FLAGS_OFF, MIP6_BU_FLAGS_LEN, FALSE); proto_tree_add_item(data_tree, hf_mip6_bu_h_flag, tvb, MIP6_BU_FLAGS_OFF, MIP6_BU_FLAGS_LEN, FALSE); proto_tree_add_item(data_tree, hf_mip6_bu_l_flag, tvb, MIP6_BU_FLAGS_OFF, MIP6_BU_FLAGS_LEN, FALSE); proto_tree_add_item(data_tree, hf_mip6_bu_k_flag, tvb, MIP6_BU_FLAGS_OFF, MIP6_BU_FLAGS_LEN, FALSE); lifetime = tvb_get_ntohs(tvb, MIP6_BU_LIFETIME_OFF); proto_tree_add_uint_format(data_tree, hf_mip6_bu_lifetime, tvb, MIP6_BU_LIFETIME_OFF, MIP6_BU_LIFETIME_LEN, lifetime, "Lifetime: %d (%ld seconds)", lifetime, (long)lifetime * 4); } return MIP6_DATA_OFF+MIP6_BU_LEN; } static int dissect_mip6_ba(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo) { proto_tree *data_tree = NULL; proto_item *ti; int lifetime; if (check_col(pinfo->cinfo, COL_INFO)) col_set_str(pinfo->cinfo, COL_INFO, "Binding Acknowledgement"); if (mip6_tree) { ti = proto_tree_add_text(mip6_tree, tvb, MIP6_DATA_OFF, MIP6_BA_LEN, "Binding Acknowledgement"); data_tree = proto_item_add_subtree(ti, ett_mip6); proto_tree_add_item(data_tree, hf_mip6_ba_status, tvb, MIP6_BA_STATUS_OFF, MIP6_BA_STATUS_LEN, FALSE); proto_tree_add_item(data_tree, hf_mip6_ba_k_flag, tvb, MIP6_BA_FLAGS_OFF, MIP6_BA_FLAGS_LEN, FALSE); proto_tree_add_item(data_tree, hf_mip6_ba_seqnr, tvb, MIP6_BA_SEQNR_OFF, MIP6_BA_SEQNR_LEN, FALSE); lifetime = tvb_get_ntohs(tvb, MIP6_BA_LIFETIME_OFF); proto_tree_add_uint_format(data_tree, hf_mip6_ba_lifetime, tvb, MIP6_BA_LIFETIME_OFF, MIP6_BA_LIFETIME_LEN, lifetime, "Lifetime: %d (%ld seconds)", lifetime, (long)lifetime * 4); } return MIP6_DATA_OFF+MIP6_BA_LEN; } static int dissect_mip6_be(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo) { proto_tree *data_tree = NULL; proto_item *ti; if (check_col(pinfo->cinfo, COL_INFO)) col_set_str(pinfo->cinfo, COL_INFO, "Binding Error"); if (mip6_tree) { ti = proto_tree_add_text(mip6_tree, tvb, MIP6_DATA_OFF, MIP6_BE_LEN, "Binding Error"); data_tree = proto_item_add_subtree(ti, ett_mip6); proto_tree_add_item(data_tree, hf_mip6_be_status, tvb, MIP6_BE_STATUS_OFF, MIP6_BE_STATUS_LEN, FALSE); proto_tree_add_item(data_tree, hf_mip6_be_haddr, tvb, MIP6_BE_HOA_OFF, MIP6_BE_HOA_LEN, FALSE); } return MIP6_DATA_OFF+MIP6_BE_LEN; } static int dissect_mip6_unknown(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo) { proto_tree *data_tree = NULL; proto_item *ti; if (check_col(pinfo->cinfo, COL_INFO)) col_set_str(pinfo->cinfo, COL_INFO, "Unknown MH Type"); if (mip6_tree) { ti = proto_tree_add_text(mip6_tree, tvb, MIP6_DATA_OFF, MIP6_DATA_OFF+1, "Unknown MH Type"); data_tree = proto_item_add_subtree(ti, ett_mip6); } return MIP6_DATA_OFF+1; } /* Functions to dissect the mobility options */ static int dissect_mip6_opt_pad1(tvbuff_t *tvb, proto_tree *opts_tree, int offset) { int len; len = 1; proto_tree_add_text(opts_tree, tvb, offset, len, "Pad1"); return offset+len; } static int dissect_mip6_opt_padn(tvbuff_t *tvb, proto_tree *opts_tree, int offset) { int len; len = (tvb_get_guint8(tvb, offset + 1)) + 2; proto_tree_add_text(opts_tree, tvb, offset, len, "PadN: %u bytes", len); return offset+len; } static int dissect_mip6_opt_bra(tvbuff_t *tvb, proto_tree *opts_tree, int offset) { proto_tree *opt_tree = NULL; proto_item *ti; int len, ri; len = (tvb_get_guint8(tvb, offset + 1)) + 2; ti = proto_tree_add_text(opts_tree, tvb, offset, len, "Binding Refresh Advice"); opt_tree = proto_item_add_subtree(ti, ett_mip6); ri = tvb_get_ntohs(tvb, offset+MIP6_BRA_RI_OFF); proto_tree_add_uint_format(opt_tree, hf_mip6_bra_interval, tvb, offset+MIP6_BRA_RI_OFF, MIP6_BRA_RI_LEN, ri, "Refresh interval: %d (%ld seconds)", ri, (long)ri * 4); return offset+len; } static int dissect_mip6_opt_acoa(tvbuff_t *tvb, proto_tree *opts_tree, int offset) { proto_tree *opt_tree = NULL; proto_item *ti; int len; len = (tvb_get_guint8(tvb, offset + 1)) + 2; ti = proto_tree_add_text(opts_tree, tvb, offset, len, "Alternate Care-of Address"); opt_tree = proto_item_add_subtree(ti, ett_mip6); proto_tree_add_item(opt_tree, hf_mip6_acoa_acoa, tvb, offset+MIP6_ACOA_ACOA_OFF, MIP6_ACOA_ACOA_LEN, FALSE); return offset+len; } static int dissect_mip6_opt_ni(tvbuff_t *tvb, proto_tree *opts_tree, int offset) { proto_tree *opt_tree = NULL; proto_item *ti; int len; len = (tvb_get_guint8(tvb, offset + 1)) + 2; ti = proto_tree_add_text(opts_tree, tvb, offset, len, "Nonce Indices"); opt_tree = proto_item_add_subtree(ti, ett_mip6); proto_tree_add_item(opt_tree, hf_mip6_ni_hni, tvb, offset+MIP6_NI_HNI_OFF, MIP6_NI_HNI_LEN, FALSE); proto_tree_add_item(opt_tree, hf_mip6_ni_cni, tvb, offset+MIP6_NI_CNI_OFF, MIP6_NI_CNI_LEN, FALSE); return offset+len; } static int dissect_mip6_opt_bad(tvbuff_t *tvb, proto_tree *opts_tree, int offset) { proto_tree *opt_tree = NULL; proto_item *ti; int len; len = (tvb_get_guint8(tvb, offset + 1)) + 2; ti = proto_tree_add_text(opts_tree, tvb, offset, len, "Binding Authorization Data"); opt_tree = proto_item_add_subtree(ti, ett_mip6); proto_tree_add_item(opt_tree, hf_mip6_bad_auth, tvb, offset+MIP6_BAD_AUTH_OFF, MIP6_BAD_AUTH_LEN, FALSE); return offset+len; } static int dissect_mip6_opt_unknown(tvbuff_t *tvb, proto_tree *opts_tree, int offset) { int len; len = (tvb_get_guint8(tvb, offset + 1)) + 2; proto_tree_add_text(opts_tree, tvb, offset, len, "Unknown option"); return offset+len; } /* Function to dissect mobility options */ static int dissect_mip6_options(tvbuff_t *tvb, proto_tree *mip6_tree, int offset, int len) { proto_tree *opts_tree = NULL; proto_item *ti; guint8 type; if (!mip6_tree) return len; ti = proto_tree_add_text(mip6_tree, tvb, offset, len - offset, "Mobility Options"); opts_tree = proto_item_add_subtree(ti, ett_mip6); while (offset < len) { type = tvb_get_guint8(tvb, offset); switch (type) { case PAD1: offset = dissect_mip6_opt_pad1(tvb, opts_tree, offset); break; case PADN: offset = dissect_mip6_opt_padn(tvb, opts_tree, offset); break; case BRA: offset = dissect_mip6_opt_bra(tvb, opts_tree, offset); break; case ACOA: offset = dissect_mip6_opt_acoa(tvb, opts_tree, offset); break; case NI: offset = dissect_mip6_opt_ni(tvb, opts_tree, offset); break; case BAD: offset = dissect_mip6_opt_bad(tvb, opts_tree, offset); break; default: dissect_mip6_opt_unknown(tvb, opts_tree, offset); offset = len; } } return len; } /* Function that dissects the whole MIPv6 packet */ static void dissect_mip6(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { proto_tree *mip6_tree = NULL; proto_item *ti; guint8 type; guint len, offset = 0; /* Make entries in Protocol column and Info column on summary display */ if (check_col(pinfo->cinfo, COL_PROTOCOL)) col_set_str(pinfo->cinfo, COL_PROTOCOL, "MIPv6"); if (check_col(pinfo->cinfo, COL_INFO)) col_clear(pinfo->cinfo, COL_INFO); len = (tvb_get_guint8(tvb, MIP6_HLEN_OFF) + 1) * 8; if (tree) { ti = proto_tree_add_item(tree, proto_mip6, tvb, 0, len, FALSE); mip6_tree = proto_item_add_subtree(ti, ett_mip6); /* Process header fields */ proto_tree_add_uint_format(mip6_tree, hf_mip6_proto, tvb, MIP6_PROTO_OFF, 1, tvb_get_guint8(tvb, MIP6_PROTO_OFF), "Payload protocol: %s (0x%02x)", ipprotostr( tvb_get_guint8(tvb, MIP6_PROTO_OFF)), tvb_get_guint8(tvb, MIP6_PROTO_OFF)); proto_tree_add_uint_format(mip6_tree, hf_mip6_hlen, tvb, MIP6_HLEN_OFF, 1, tvb_get_guint8(tvb, MIP6_HLEN_OFF), "Header length: %u (%u bytes)", tvb_get_guint8(tvb, MIP6_HLEN_OFF), len); proto_tree_add_item(mip6_tree, hf_mip6_mhtype, tvb, MIP6_TYPE_OFF, 1, FALSE); proto_tree_add_item(mip6_tree, hf_mip6_reserved, tvb, MIP6_RES_OFF, 1, FALSE); proto_tree_add_item(mip6_tree, hf_mip6_csum, tvb, MIP6_CSUM_OFF, 2, FALSE); } /* Process mobility header */ type = tvb_get_guint8(tvb, MIP6_TYPE_OFF); switch (type) { case BRR: offset = dissect_mip6_brr(tvb, mip6_tree, pinfo); break; case HOTI: offset = dissect_mip6_hoti(tvb, mip6_tree, pinfo); break; case COTI: offset = dissect_mip6_coti(tvb, mip6_tree, pinfo); break; case HOT: offset = dissect_mip6_hot(tvb, mip6_tree, pinfo); break; case COT: offset = dissect_mip6_cot(tvb, mip6_tree, pinfo); break; case BU: offset = dissect_mip6_bu(tvb, mip6_tree, pinfo); break; case BA: offset = dissect_mip6_ba(tvb, mip6_tree, pinfo); break; case BE: offset = dissect_mip6_be(tvb, mip6_tree, pinfo); break; default: dissect_mip6_unknown(tvb, mip6_tree, pinfo); offset = len; break; } /* Process mobility options */ if (offset < len) dissect_mip6_options(tvb, mip6_tree, offset, len); } /* Register the protocol with Ethereal */ void proto_register_mip6(void) { /* Setup list of header fields */ static hf_register_info hf[] = { { &hf_mip6_proto, { "Payload protocol", "mip6.proto", FT_UINT8, BASE_DEC, NULL, 0, "Payload protocol", HFILL }}, { &hf_mip6_hlen, { "Header length", "mip6.hlen", FT_UINT8, BASE_DEC, NULL, 0, "Header length", HFILL }}, { &hf_mip6_mhtype, { "Mobility Header Type", "mip6.mhtype", FT_UINT8, BASE_DEC, VALS(mip6_mh_types), 0, "Mobility Header Type", HFILL }}, { &hf_mip6_reserved, { "Reserved", "mip6.reserved", FT_UINT8, BASE_HEX, NULL, 0, "Reserved", HFILL }}, { &hf_mip6_csum, { "Checksum", "mip6.csum", FT_UINT16, BASE_HEX, NULL, 0, "Header Checksum", HFILL }}, { &hf_mip6_hoti_cookie, { "Home Init Cookie", "mip6.hoti.cookie", FT_UINT64, BASE_HEX, NULL, 0, "Home Init Cookie", HFILL }}, { &hf_mip6_coti_cookie, { "Care-of Init Cookie", "mip6.coti.cookie", FT_UINT64, BASE_HEX, NULL, 0, "Care-of Init Cookie", HFILL }}, { &hf_mip6_hot_nindex, { "Home Nonce Index", "mip6.hot.nindex", FT_UINT16, BASE_DEC, NULL, 0, "Home Nonce Index", HFILL }}, { &hf_mip6_hot_cookie, { "Home Init Cookie", "mip6.hot.cookie", FT_UINT64, BASE_HEX, NULL, 0, "Home Init Cookie", HFILL }}, { &hf_mip6_hot_token, { "Home Keygen Token", "mip6.hot.token", FT_UINT64, BASE_HEX, NULL, 0, "Home Keygen Token", HFILL }}, { &hf_mip6_cot_nindex, { "Care-of Nonce Index", "mip6.cot.nindex", FT_UINT16, BASE_DEC, NULL, 0, "Care-of Nonce Index", HFILL }}, { &hf_mip6_cot_cookie, { "Care-of Init Cookie", "mip6.cot.cookie", FT_UINT64, BASE_HEX, NULL, 0, "Care-of Init Cookie", HFILL }}, { &hf_mip6_cot_token, { "Care-of Keygen Token", "mip6.cot.token", FT_UINT64, BASE_HEX, NULL, 0, "Care-of Keygen Token", HFILL }}, { &hf_mip6_bu_seqnr, { "Sequence number", "mip6.bu.seqnr", FT_UINT16, BASE_DEC, NULL, 0, "Sequence number", HFILL }}, { &hf_mip6_bu_a_flag, { "Acknowledge (A) flag", "mip6.bu.a_flag", FT_BOOLEAN, 8, TFS(&mip6_bu_a_flag_value), 0x80, "Acknowledge (A) flag", HFILL }}, { &hf_mip6_bu_h_flag, { "Home Registration (H) flag", "mip6.bu.h_flag", FT_BOOLEAN, 8, TFS(&mip6_bu_h_flag_value), 0x40, "Home Registration (H) flag", HFILL }}, { &hf_mip6_bu_l_flag, { "Link-Local Compatibility (L) flag", "mip6.bu.l_flag", FT_BOOLEAN, 8, TFS(&mip6_bu_l_flag_value), 0x20, "Home Registration (H) flag", HFILL }}, { &hf_mip6_bu_k_flag, { "Key Management Compatibility (K) flag", "mip6.bu.k_flag", FT_BOOLEAN, 8, TFS(&mip6_bu_k_flag_value), 0x10, "Key Management Compatibility (K) flag", HFILL }}, { &hf_mip6_bu_lifetime, { "Lifetime", "mip6.bu.lifetime", FT_UINT16, BASE_DEC, NULL, 0, "Lifetime", HFILL }}, { &hf_mip6_ba_status, { "Status", "mip6.ba.status", FT_UINT8, BASE_DEC, VALS(&mip6_ba_status_value), 0, "Binding Acknowledgement status", HFILL }}, { &hf_mip6_ba_k_flag, { "Key Management Compatibility (K) flag", "mip6.ba.k_flag", FT_BOOLEAN, 8, TFS(&mip6_bu_k_flag_value), 0x80, "Key Management Compatibility (K) flag", HFILL }}, { &hf_mip6_ba_seqnr, { "Sequence number", "mip6.ba.seqnr", FT_UINT16, BASE_DEC, NULL, 0, "Sequence number", HFILL }}, { &hf_mip6_ba_lifetime, { "Lifetime", "mip6.ba.lifetime", FT_UINT16, BASE_DEC, NULL, 0, "Lifetime", HFILL }}, { &hf_mip6_be_status, { "Status", "mip6.be.status", FT_UINT8, BASE_DEC, VALS(&mip6_be_status_value), 0, "Binding Error status", HFILL }}, { &hf_mip6_be_haddr, { "Home Address", "mip6.be.haddr", FT_IPv6, BASE_HEX, NULL, 0, "Home Address", HFILL }}, { &hf_mip6_bra_interval, { "Refresh interval", "mip6.bra.interval", FT_UINT16, BASE_DEC, NULL, 0, "Refresh interval", HFILL }}, { &hf_mip6_acoa_acoa, { "Alternate care-of address", "mip6.acoa.acoa", FT_IPv6, BASE_HEX, NULL, 0, "Alternate Care-of address", HFILL }}, { &hf_mip6_ni_hni, { "Home nonce index", "mip6.ni.hni", FT_UINT16, BASE_DEC, NULL, 0, "Home nonce index", HFILL }}, { &hf_mip6_ni_cni, { "Care-of nonce index", "mip6.ni.cni", FT_UINT16, BASE_DEC, NULL, 0, "Care-of nonce index", HFILL }}, { &hf_mip6_bad_auth, { "Authenticator", "mip6.bad.auth", FT_BYTES, BASE_HEX, NULL, 0, "Care-of nonce index", HFILL }} }; /* Setup protocol subtree array */ static gint *ett[] = { &ett_mip6 }; /* Register the protocol name and description */ proto_mip6 = proto_register_protocol("Mobile IPv6", "MIPv6", "mipv6"); /* Register the dissector by name */ /* register_dissector("mipv6", dissect_mip6, proto_mip6); */ /* Required function calls to register the header fields and subtrees used */ proto_register_field_array(proto_mip6, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); }; void proto_reg_handoff_mip6(void) { dissector_handle_t mip6_handle; /* mip6_handle = find_dissector("mipv6"); */ mip6_handle = create_dissector_handle(dissect_mip6, proto_mip6); dissector_add("ip.proto", IP_PROTO_MIPV6, mip6_handle); }