/* packet-wmx.c * WiMax Protocol and dissectors * * Copyright (c) 2007 by Intel Corporation. * * Author: Lu Pan * * $Id$ * * Wireshark - Network traffic analyzer * By Gerald Combs * Copyright 1999 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. */ /* Include files */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include "moduleinfo.h" #include #include #include #include #include #include #include #include "wimax_tlv.h" #include "wimax_bits.h" /* WiMax dissector function prototypes */ extern void proto_register_wimax_cdma(void); extern void proto_register_wimax_fch(void); extern void proto_register_wimax_pdu(void); extern void proto_register_wimax_ffb(void); extern void proto_register_wimax_hack(void); extern void proto_register_wimax_harq_map(void); extern void proto_register_wimax_phy_attributes(void); extern void proto_register_wimax_compact_dlmap_ie(void); extern void proto_register_wimax_compact_ulmap_ie(void); extern void wimax_defragment_init(void); /* Global functions */ void proto_register_wimax(void); void proto_reg_wimax(void); void proto_reg_handoff_wimax(void); gboolean is_down_link(address *src_address); /* forward reference */ static void dissect_wimax(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); /* Global variables */ gint proto_wimax = -1; gint8 arq_enabled = 0; gint scheduling_service_type = 0; gint mac_sdu_length = 49; /* default SDU size is 49 bytes (11.13.16) */ extern guint global_cid_max_basic; extern gboolean include_cor2_changes; gint man_ofdma = 1; address bs_address = {0,0,0}; /* The following variables are local to the function, but serve as elements for the global ett_tlv[] array */ static gint ett_tlv_0 = -1; static gint ett_tlv_1 = -1; static gint ett_tlv_2 = -1; static gint ett_tlv_3 = -1; static gint ett_tlv_4 = -1; static gint ett_tlv_5 = -1; static gint ett_tlv_6 = -1; static gint ett_tlv_7 = -1; static gint ett_tlv_8 = -1; static gint ett_tlv_9 = -1; static gint ett_tlv_10 = -1; static gint ett_tlv_11 = -1; static gint ett_tlv_12 = -1; static gint ett_tlv_13 = -1; static gint ett_tlv_14 = -1; static gint ett_tlv_15 = -1; static gint ett_tlv_16 = -1; static gint ett_tlv_17 = -1; static gint ett_tlv_18 = -1; static gint ett_tlv_19 = -1; static gint ett_tlv_20 = -1; static gint ett_tlv_21 = -1; static gint ett_tlv_22 = -1; static gint ett_tlv_23 = -1; static gint ett_tlv_24 = -1; static gint ett_tlv_25 = -1; static gint ett_tlv_26 = -1; static gint ett_tlv_27 = -1; static gint ett_tlv_28 = -1; static gint ett_tlv_29 = -1; static gint ett_tlv_30 = -1; static gint ett_tlv_31 = -1; static gint ett_tlv_32 = -1; static gint ett_tlv_33 = -1; static gint ett_tlv_34 = -1; static gint ett_tlv_35 = -1; static gint ett_tlv_36 = -1; static gint ett_tlv_37 = -1; static gint ett_tlv_38 = -1; static gint ett_tlv_39 = -1; static gint ett_tlv_40 = -1; static gint ett_tlv_41 = -1; static gint ett_tlv_42 = -1; static gint ett_tlv_43 = -1; static gint ett_tlv_44 = -1; static gint ett_tlv_45 = -1; static gint ett_tlv_46 = -1; static gint ett_tlv_47 = -1; static gint ett_tlv_48 = -1; static gint ett_tlv_49 = -1; static gint ett_tlv_50 = -1; static gint ett_tlv_51 = -1; static gint ett_tlv_52 = -1; static gint ett_tlv_53 = -1; static gint ett_tlv_54 = -1; static gint ett_tlv_55 = -1; static gint ett_tlv_56 = -1; static gint ett_tlv_57 = -1; static gint ett_tlv_58 = -1; static gint ett_tlv_59 = -1; static gint ett_tlv_60 = -1; static gint ett_tlv_61 = -1; static gint ett_tlv_62 = -1; static gint ett_tlv_63 = -1; static gint ett_tlv_64 = -1; static gint ett_tlv_65 = -1; static gint ett_tlv_66 = -1; static gint ett_tlv_67 = -1; static gint ett_tlv_68 = -1; static gint ett_tlv_69 = -1; static gint ett_tlv_70 = -1; static gint ett_tlv_71 = -1; static gint ett_tlv_72 = -1; static gint ett_tlv_73 = -1; static gint ett_tlv_74 = -1; static gint ett_tlv_75 = -1; static gint ett_tlv_76 = -1; static gint ett_tlv_77 = -1; static gint ett_tlv_78 = -1; static gint ett_tlv_79 = -1; static gint ett_tlv_80 = -1; static gint ett_tlv_81 = -1; static gint ett_tlv_82 = -1; static gint ett_tlv_83 = -1; static gint ett_tlv_84 = -1; static gint ett_tlv_85 = -1; static gint ett_tlv_86 = -1; static gint ett_tlv_87 = -1; static gint ett_tlv_88 = -1; static gint ett_tlv_89 = -1; static gint ett_tlv_90 = -1; static gint ett_tlv_91 = -1; static gint ett_tlv_92 = -1; static gint ett_tlv_93 = -1; static gint ett_tlv_94 = -1; static gint ett_tlv_95 = -1; static gint ett_tlv_96 = -1; static gint ett_tlv_97 = -1; static gint ett_tlv_98 = -1; static gint ett_tlv_99 = -1; static gint ett_tlv_100 = -1; static gint ett_tlv_101 = -1; static gint ett_tlv_102 = -1; static gint ett_tlv_103 = -1; static gint ett_tlv_104 = -1; static gint ett_tlv_105 = -1; static gint ett_tlv_106 = -1; static gint ett_tlv_107 = -1; static gint ett_tlv_108 = -1; static gint ett_tlv_109 = -1; static gint ett_tlv_110 = -1; static gint ett_tlv_111 = -1; static gint ett_tlv_112 = -1; static gint ett_tlv_113 = -1; static gint ett_tlv_114 = -1; static gint ett_tlv_115 = -1; static gint ett_tlv_116 = -1; static gint ett_tlv_117 = -1; static gint ett_tlv_118 = -1; static gint ett_tlv_119 = -1; static gint ett_tlv_120 = -1; static gint ett_tlv_121 = -1; static gint ett_tlv_122 = -1; static gint ett_tlv_123 = -1; static gint ett_tlv_124 = -1; static gint ett_tlv_125 = -1; static gint ett_tlv_126 = -1; static gint ett_tlv_127 = -1; static gint ett_tlv_128 = -1; static gint ett_tlv_129 = -1; static gint ett_tlv_130 = -1; static gint ett_tlv_131 = -1; static gint ett_tlv_132 = -1; static gint ett_tlv_133 = -1; static gint ett_tlv_134 = -1; static gint ett_tlv_135 = -1; static gint ett_tlv_136 = -1; static gint ett_tlv_137 = -1; static gint ett_tlv_138 = -1; static gint ett_tlv_139 = -1; static gint ett_tlv_140 = -1; static gint ett_tlv_141 = -1; static gint ett_tlv_142 = -1; static gint ett_tlv_143 = -1; static gint ett_tlv_144 = -1; static gint ett_tlv_145 = -1; static gint ett_tlv_146 = -1; static gint ett_tlv_147 = -1; static gint ett_tlv_148 = -1; static gint ett_tlv_149 = -1; static gint ett_tlv_150 = -1; static gint ett_tlv_151 = -1; static gint ett_tlv_152 = -1; static gint ett_tlv_153 = -1; static gint ett_tlv_154 = -1; static gint ett_tlv_155 = -1; static gint ett_tlv_156 = -1; static gint ett_tlv_157 = -1; static gint ett_tlv_158 = -1; static gint ett_tlv_159 = -1; static gint ett_tlv_160 = -1; static gint ett_tlv_161 = -1; static gint ett_tlv_162 = -1; static gint ett_tlv_163 = -1; static gint ett_tlv_164 = -1; static gint ett_tlv_165 = -1; static gint ett_tlv_166 = -1; static gint ett_tlv_167 = -1; static gint ett_tlv_168 = -1; static gint ett_tlv_169 = -1; static gint ett_tlv_170 = -1; static gint ett_tlv_171 = -1; static gint ett_tlv_172 = -1; static gint ett_tlv_173 = -1; static gint ett_tlv_174 = -1; static gint ett_tlv_175 = -1; static gint ett_tlv_176 = -1; static gint ett_tlv_177 = -1; static gint ett_tlv_178 = -1; static gint ett_tlv_179 = -1; static gint ett_tlv_180 = -1; static gint ett_tlv_181 = -1; static gint ett_tlv_182 = -1; static gint ett_tlv_183 = -1; static gint ett_tlv_184 = -1; static gint ett_tlv_185 = -1; static gint ett_tlv_186 = -1; static gint ett_tlv_187 = -1; static gint ett_tlv_188 = -1; static gint ett_tlv_189 = -1; static gint ett_tlv_190 = -1; static gint ett_tlv_191 = -1; static gint ett_tlv_192 = -1; static gint ett_tlv_193 = -1; static gint ett_tlv_194 = -1; static gint ett_tlv_195 = -1; static gint ett_tlv_196 = -1; static gint ett_tlv_197 = -1; static gint ett_tlv_198 = -1; static gint ett_tlv_199 = -1; static gint ett_tlv_200 = -1; static gint ett_tlv_201 = -1; static gint ett_tlv_202 = -1; static gint ett_tlv_203 = -1; static gint ett_tlv_204 = -1; static gint ett_tlv_205 = -1; static gint ett_tlv_206 = -1; static gint ett_tlv_207 = -1; static gint ett_tlv_208 = -1; static gint ett_tlv_209 = -1; static gint ett_tlv_210 = -1; static gint ett_tlv_211 = -1; static gint ett_tlv_212 = -1; static gint ett_tlv_213 = -1; static gint ett_tlv_214 = -1; static gint ett_tlv_215 = -1; static gint ett_tlv_216 = -1; static gint ett_tlv_217 = -1; static gint ett_tlv_218 = -1; static gint ett_tlv_219 = -1; static gint ett_tlv_220 = -1; static gint ett_tlv_221 = -1; static gint ett_tlv_222 = -1; static gint ett_tlv_223 = -1; static gint ett_tlv_224 = -1; static gint ett_tlv_225 = -1; static gint ett_tlv_226 = -1; static gint ett_tlv_227 = -1; static gint ett_tlv_228 = -1; static gint ett_tlv_229 = -1; static gint ett_tlv_230 = -1; static gint ett_tlv_231 = -1; static gint ett_tlv_232 = -1; static gint ett_tlv_233 = -1; static gint ett_tlv_234 = -1; static gint ett_tlv_235 = -1; static gint ett_tlv_236 = -1; static gint ett_tlv_237 = -1; static gint ett_tlv_238 = -1; static gint ett_tlv_239 = -1; static gint ett_tlv_240 = -1; static gint ett_tlv_241 = -1; static gint ett_tlv_242 = -1; static gint ett_tlv_243 = -1; static gint ett_tlv_244 = -1; static gint ett_tlv_245 = -1; static gint ett_tlv_246 = -1; static gint ett_tlv_247 = -1; static gint ett_tlv_248 = -1; static gint ett_tlv_249 = -1; static gint ett_tlv_250 = -1; static gint ett_tlv_251 = -1; static gint ett_tlv_252 = -1; static gint ett_tlv_253 = -1; static gint ett_tlv_254 = -1; static gint ett_tlv_255 = -1; /* Global TLV array to retrieve unique subtree identifiers */ /* Note: ett_tlv_0 is a placeholder so the TLV number will correlate directly with the index number */ gint *ett_tlv[] = { &ett_tlv_0, &ett_tlv_1, &ett_tlv_2, &ett_tlv_3, &ett_tlv_4, &ett_tlv_5, &ett_tlv_6, &ett_tlv_7, &ett_tlv_8, &ett_tlv_9, &ett_tlv_10, &ett_tlv_11, &ett_tlv_12, &ett_tlv_13, &ett_tlv_14, &ett_tlv_15, &ett_tlv_16, &ett_tlv_17, &ett_tlv_18, &ett_tlv_19, &ett_tlv_20, &ett_tlv_21, &ett_tlv_22, &ett_tlv_23, &ett_tlv_24, &ett_tlv_25, &ett_tlv_26, &ett_tlv_27, &ett_tlv_28, &ett_tlv_29, &ett_tlv_30, &ett_tlv_31, &ett_tlv_32, &ett_tlv_33, &ett_tlv_34, &ett_tlv_35, &ett_tlv_36, &ett_tlv_37, &ett_tlv_38, &ett_tlv_39, &ett_tlv_40, &ett_tlv_41, &ett_tlv_42, &ett_tlv_43, &ett_tlv_44, &ett_tlv_45, &ett_tlv_46, &ett_tlv_47, &ett_tlv_48, &ett_tlv_49, &ett_tlv_50, &ett_tlv_51, &ett_tlv_52, &ett_tlv_53, &ett_tlv_54, &ett_tlv_55, &ett_tlv_56, &ett_tlv_57, &ett_tlv_58, &ett_tlv_59, &ett_tlv_60, &ett_tlv_61, &ett_tlv_62, &ett_tlv_63, &ett_tlv_64, &ett_tlv_65, &ett_tlv_66, &ett_tlv_67, &ett_tlv_68, &ett_tlv_69, &ett_tlv_70, &ett_tlv_71, &ett_tlv_72, &ett_tlv_73, &ett_tlv_74, &ett_tlv_75, &ett_tlv_76, &ett_tlv_77, &ett_tlv_78, &ett_tlv_79, &ett_tlv_80, &ett_tlv_81, &ett_tlv_82, &ett_tlv_83, &ett_tlv_84, &ett_tlv_85, &ett_tlv_86, &ett_tlv_87, &ett_tlv_88, &ett_tlv_89, &ett_tlv_90, &ett_tlv_91, &ett_tlv_92, &ett_tlv_93, &ett_tlv_94, &ett_tlv_95, &ett_tlv_96, &ett_tlv_97, &ett_tlv_98, &ett_tlv_99, &ett_tlv_100, &ett_tlv_101, &ett_tlv_102, &ett_tlv_103, &ett_tlv_104, &ett_tlv_105, &ett_tlv_106, &ett_tlv_107, &ett_tlv_108, &ett_tlv_109, &ett_tlv_110, &ett_tlv_111, &ett_tlv_112, &ett_tlv_113, &ett_tlv_114, &ett_tlv_115, &ett_tlv_116, &ett_tlv_117, &ett_tlv_118, &ett_tlv_119, &ett_tlv_120, &ett_tlv_121, &ett_tlv_122, &ett_tlv_123, &ett_tlv_124, &ett_tlv_125, &ett_tlv_126, &ett_tlv_127, &ett_tlv_128, &ett_tlv_129, &ett_tlv_130, &ett_tlv_131, &ett_tlv_132, &ett_tlv_133, &ett_tlv_134, &ett_tlv_135, &ett_tlv_136, &ett_tlv_137, &ett_tlv_138, &ett_tlv_139, &ett_tlv_140, &ett_tlv_141, &ett_tlv_142, &ett_tlv_143, &ett_tlv_144, &ett_tlv_145, &ett_tlv_146, &ett_tlv_147, &ett_tlv_148, &ett_tlv_149, &ett_tlv_150, &ett_tlv_151, &ett_tlv_152, &ett_tlv_153, &ett_tlv_154, &ett_tlv_155, &ett_tlv_156, &ett_tlv_157, &ett_tlv_158, &ett_tlv_159, &ett_tlv_160, &ett_tlv_161, &ett_tlv_162, &ett_tlv_163, &ett_tlv_164, &ett_tlv_165, &ett_tlv_166, &ett_tlv_167, &ett_tlv_168, &ett_tlv_169, &ett_tlv_170, &ett_tlv_171, &ett_tlv_172, &ett_tlv_173, &ett_tlv_174, &ett_tlv_175, &ett_tlv_176, &ett_tlv_177, &ett_tlv_178, &ett_tlv_179, &ett_tlv_180, &ett_tlv_181, &ett_tlv_182, &ett_tlv_183, &ett_tlv_184, &ett_tlv_185, &ett_tlv_186, &ett_tlv_187, &ett_tlv_188, &ett_tlv_189, &ett_tlv_190, &ett_tlv_191, &ett_tlv_192, &ett_tlv_193, &ett_tlv_194, &ett_tlv_195, &ett_tlv_196, &ett_tlv_197, &ett_tlv_198, &ett_tlv_199, &ett_tlv_200, &ett_tlv_201, &ett_tlv_202, &ett_tlv_203, &ett_tlv_204, &ett_tlv_205, &ett_tlv_206, &ett_tlv_207, &ett_tlv_208, &ett_tlv_209, &ett_tlv_210, &ett_tlv_211, &ett_tlv_212, &ett_tlv_213, &ett_tlv_214, &ett_tlv_215, &ett_tlv_216, &ett_tlv_217, &ett_tlv_218, &ett_tlv_219, &ett_tlv_220, &ett_tlv_221, &ett_tlv_222, &ett_tlv_223, &ett_tlv_224, &ett_tlv_225, &ett_tlv_226, &ett_tlv_227, &ett_tlv_228, &ett_tlv_229, &ett_tlv_230, &ett_tlv_231, &ett_tlv_232, &ett_tlv_233, &ett_tlv_234, &ett_tlv_235, &ett_tlv_236, &ett_tlv_237, &ett_tlv_238, &ett_tlv_239, &ett_tlv_240, &ett_tlv_241, &ett_tlv_242, &ett_tlv_243, &ett_tlv_244, &ett_tlv_245, &ett_tlv_246, &ett_tlv_247, &ett_tlv_248, &ett_tlv_249, &ett_tlv_250, &ett_tlv_251, &ett_tlv_252, &ett_tlv_253, &ett_tlv_254, &ett_tlv_255 }; /* Local Variables */ static gint ett_wimax = -1; static gint ett_wimax_tlv = -1; static gint ett_wimax_fch = -1; static gint ett_wimax_cdma = -1; static gint ett_wimax_ffb = -1; static gchar *tlv_val_1byte = "TLV value: %s (0x%02x)"; static gchar *tlv_val_2byte = "TLV value: %s (0x%04x)"; static gchar *tlv_val_3byte = "TLV value: %s (0x%06x)"; static gchar *tlv_val_4byte = "TLV value: %s (0x%08x)"; static gchar *tlv_val_5byte = "TLV value: %s (0x%08x...)"; /* Setup protocol subtree array */ static gint *ett[] = { &ett_wimax, &ett_wimax_tlv, &ett_wimax_fch, &ett_wimax_cdma, &ett_wimax_ffb, }; /*************************************************************/ /* add_tlv_subtree() */ /* Return a pointer to a proto_tree that already contains */ /* the type and length of a given TLV. */ /* tree - the parent to which the new tree will */ /* be attached */ /* hfindex - the index of the item to be attached */ /* tvb - a pointer to the packet data */ /* start - offset within the packet */ /* length - length of this item */ /* little_endian - endian indicator */ /* return: */ /* pointer to a proto_tree */ /*************************************************************/ proto_tree *add_tlv_subtree(tlv_info_t *this, gint idx, proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start, gint length, gboolean little_endian) { /* Declare local variables */ proto_tree *tlv_tree; proto_item *tlv_item; guint start_of_tlv; gint tlv_value_length, tlv_val_offset; guint8 size_of_tlv_length_field; guint8 tlv_type; guint32 tlv_value; gchar *hex_fmt; UNREFERENCED_PARAMETER(length); /* Retrieve the necessary TLV information */ tlv_val_offset = get_tlv_value_offset(this); start_of_tlv = start - tlv_val_offset; tlv_value_length = get_tlv_length(this); size_of_tlv_length_field = get_tlv_size_of_length(this); tlv_type = get_tlv_type(this); /* display the TLV name and display the value in hex. Highlight type, length, and value. */ tlv_item = proto_tree_add_item(tree, hfindex, tvb, start, tlv_value_length, little_endian); /* Correct the highlighting. */ tlv_item->finfo->start -= tlv_val_offset; tlv_item->finfo->length += tlv_val_offset; /* add TLV subtree to contain the type, length, and value */ tlv_tree = proto_item_add_subtree(tlv_item, *ett_tlv[tlv_type]); /* display the TLV type */ proto_tree_add_text(tlv_tree, tvb, start_of_tlv, 1, "TLV type: %u", tlv_type); /* check if this is an extended TLV */ if (size_of_tlv_length_field > 0) /* It is */ { /* display the length of the length field TLV */ proto_tree_add_text(tlv_tree, tvb, start_of_tlv+1, 1, "Size of TLV length field: %u", size_of_tlv_length_field); /* display the TLV length */ proto_tree_add_text(tlv_tree, tvb, start_of_tlv+2, size_of_tlv_length_field, "TLV length: %u", tlv_value_length); } else { /* It is not */ /* display the TLV length */ proto_tree_add_text(tlv_tree, tvb, start_of_tlv+1, 1, "TLV length: %u", tlv_value_length); } /* display the TLV value and make it a subtree */ switch (tlv_value_length) { case 1: tlv_value = tvb_get_guint8(tvb, start); hex_fmt = tlv_val_1byte; break; case 2: tlv_value = tvb_get_ntohs(tvb, start); hex_fmt = tlv_val_2byte; break; case 3: tlv_value = tvb_get_ntoh24(tvb, start); hex_fmt = tlv_val_3byte; break; case 4: tlv_value = tvb_get_ntohl(tvb, start); hex_fmt = tlv_val_4byte; break; default: tlv_value = tvb_get_ntohl(tvb, start); hex_fmt = tlv_val_5byte; break; } /* Show "TLV value: " */ tlv_item = proto_tree_add_text(tlv_tree, tvb, start, tlv_value_length, hex_fmt, tlv_item->finfo->hfinfo->name, tlv_value); tlv_tree = proto_item_add_subtree(tlv_item, idx); /* Return a pointer to the value level */ return tlv_tree; } /*************************************************************/ /* add_protocol_subtree() */ /* Return a pointer to a proto_tree that already contains */ /* the type and length of a given TLV. */ /* tree - the parent to which the new tree will */ /* be attached */ /* hfindex - the index of the item to be attached */ /* tvb - a pointer to the packet data */ /* start - offset within the packet */ /* length - length of this item */ /* format - printf style formatting string */ /* ... - arguments to format */ /* return: */ /* pointer to a proto_tree */ /*************************************************************/ proto_tree *add_protocol_subtree(tlv_info_t *this, gint idx, proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start, gint length, const char *format, ...) { /* Declare local variables */ proto_tree *tlv_tree; proto_item *tlv_item; guint start_of_tlv; gint tlv_value_length, tlv_val_offset; guint8 size_of_tlv_length_field; guint8 tlv_type; guint32 tlv_value; va_list ap; /* points to each unnamed arg in turn */ gchar *message = NULL; gchar *hex_fmt; /* Retrieve the necessary TLV information */ tlv_val_offset = get_tlv_value_offset(this); start_of_tlv = start - tlv_val_offset; tlv_value_length = get_tlv_length(this); size_of_tlv_length_field = get_tlv_size_of_length(this); tlv_type = get_tlv_type(this); /* display the TLV name and display the value in hex. Highlight type, length, and value. */ va_start(ap, format); message = se_strdup_vprintf(format, ap); va_end(ap); tlv_item = proto_tree_add_protocol_format(tree, hfindex, tvb, start, length, "%s", message); /* Correct the highlighting. */ tlv_item->finfo->start -= tlv_val_offset; tlv_item->finfo->length += tlv_val_offset; /* add TLV subtree to contain the type, length, and value */ tlv_tree = proto_item_add_subtree(tlv_item, *ett_tlv[tlv_type]); /* display the TLV type */ proto_tree_add_text(tlv_tree, tvb, start_of_tlv, 1, "TLV type: %u", tlv_type); /* check if this is an extended TLV */ if (size_of_tlv_length_field > 0) /* It is */ { /* display the length of the length field TLV */ proto_tree_add_text(tlv_tree, tvb, start_of_tlv+1, 1, "Size of TLV length field: %u", size_of_tlv_length_field); /* display the TLV length */ proto_tree_add_text(tlv_tree, tvb, start_of_tlv+2, size_of_tlv_length_field, "TLV length: %u", tlv_value_length); } else { /* It is not */ /* display the TLV length */ proto_tree_add_text(tlv_tree, tvb, start_of_tlv+1, 1, "TLV length: %u", tlv_value_length); } /* display the TLV value and make it a subtree */ switch (tlv_value_length) { case 1: tlv_value = tvb_get_guint8(tvb, start); hex_fmt = tlv_val_1byte; break; case 2: tlv_value = tvb_get_ntohs(tvb, start); hex_fmt = tlv_val_2byte; break; case 3: tlv_value = tvb_get_ntoh24(tvb, start); hex_fmt = tlv_val_3byte; break; case 4: tlv_value = tvb_get_ntohl(tvb, start); hex_fmt = tlv_val_4byte; break; default: tlv_value = tvb_get_ntohl(tvb, start); hex_fmt = tlv_val_5byte; break; } /* Show "TLV value: " */ tlv_item = proto_tree_add_text(tlv_tree, tvb, start, length, hex_fmt, message, tlv_value); tlv_tree = proto_item_add_subtree(tlv_item, idx); /* Return a pointer to the value level */ return tlv_tree; } /* Register Wimax Protocol */ void proto_register_wimax(void) { module_t *wimax_module; if (proto_wimax == -1) { /* Register the WiMax protocols here */ proto_wimax = proto_register_protocol ( "WiMax Protocol", /* name */ "WiMax (wmx)", /* short name */ "wmx" /* abbrev */ ); /* Register the WiMax protocol subtree array */ proto_register_subtree_array(ett, array_length(ett)); /* Register the WiMax dissector */ register_dissector("wmx", dissect_wimax, proto_wimax); /* Register other WiMax dissectors */ proto_register_wimax_cdma(); proto_register_wimax_fch(); proto_register_wimax_pdu(); proto_register_wimax_ffb(); proto_register_wimax_hack(); proto_register_wimax_harq_map(); proto_register_wimax_phy_attributes(); proto_register_wimax_compact_dlmap_ie(); proto_register_wimax_compact_ulmap_ie(); wimax_module = prefs_register_protocol(proto_wimax, proto_reg_handoff_wimax); prefs_register_uint_preference(wimax_module, "basic_cid_max", "Maximum Basic CID", "Set the maximum Basic CID" " used in the Wimax decoder" " (if other than the default of 320)." " Note: The maximum Primary CID is" " double the maximum Basic CID.", 10, &global_cid_max_basic); prefs_register_bool_preference(wimax_module, "corrigendum_2_version", "Corrigendum 2 Version", "Set to TRUE to use the Corrigendum" " 2 version of Wimax message decoding." " Set to FALSE to use the 802.16e-2005" " version.", &include_cor2_changes); prefs_register_obsolete_preference(wimax_module, "wimax.basic_cid_max"); prefs_register_obsolete_preference(wimax_module, "wimax.corrigendum_2_version"); register_dissector_table("wimax.max_basic_cid", "Max Basic CID", FT_UINT16, BASE_DEC); register_dissector_table("wimax.corrigendum_2_version", "Corrigendum 2 Version", FT_UINT16, BASE_DEC); proto_register_subtree_array(ett_tlv, array_length(ett_tlv)); } } /* Register Wimax Protocol handler */ void proto_reg_wimax(void) { if (find_dissector("wmx") == NULL) { /* Register the WiMax dissector */ register_dissector("wmx", dissect_wimax, proto_wimax); } } /* WiMax protocol dissector */ static void dissect_wimax(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { UNREFERENCED_PARAMETER(tvb); UNREFERENCED_PARAMETER(tree); /* display the WiMax protocol name */ if (check_col(pinfo->cinfo, COL_PROTOCOL)) { col_set_str(pinfo->cinfo, COL_PROTOCOL, "WiMax"); } /* Clear out stuff in the info column */ if (check_col(pinfo->cinfo, COL_INFO)) { col_clear(pinfo->cinfo, COL_INFO); } } gboolean is_down_link(address *src_address) { if(bs_address.len && !CMP_ADDRESS(&bs_address, src_address)) return TRUE; return FALSE; } /* The registration hand-off routine for the max_basic_cid pref */ void proto_reg_handoff_wimax(void) { static int wimax_prefs_initialized = FALSE; static dissector_handle_t wimax_handle; if(!wimax_prefs_initialized) { wimax_handle = create_dissector_handle(dissect_wimax, proto_wimax); wimax_prefs_initialized = TRUE; } else { dissector_delete("wimax.max_basic_cid", global_cid_max_basic, wimax_handle); dissector_delete("wimax.corrigendum_2_version", include_cor2_changes, wimax_handle); } dissector_add("wimax.max_basic_cid", global_cid_max_basic, wimax_handle); dissector_add("wimax.corrigendum_2_version", include_cor2_changes, wimax_handle); }