diff options
Diffstat (limited to 'plugins/wimax/packet-wmx.c')
| -rw-r--r-- | plugins/wimax/packet-wmx.c | 941 |
1 files changed, 941 insertions, 0 deletions
diff --git a/plugins/wimax/packet-wmx.c b/plugins/wimax/packet-wmx.c new file mode 100644 index 0000000000..cb2c218d8e --- /dev/null +++ b/plugins/wimax/packet-wmx.c @@ -0,0 +1,941 @@ +/* packet-wmx.c + * WiMax Protocol and dissectors + * + * Copyright (c) 2007 by Intel Corporation. + * + * Author: Lu Pan <lu.pan@intel.com> + * + * $Id$ + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * 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 <string.h> +#include <gmodule.h> +#include <epan/packet.h> +#include <epan/prefs.h> +#include <epan/address.h> +#include <epan/reassemble.h> +#include <epan/emem.h> +#include "wimax_tlv.h" +#include "wimax_bits.h" + +/* Define version if we are not building Wireshark statically */ +#ifndef ENABLE_STATIC +G_MODULE_EXPORT const gchar version[] = VERSION; +#endif + +/* 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 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. */ + if( (message = se_alloc_array(gchar, 255)) ){ + va_start(ap, format); + vsprintf(message, format, ap); + va_end(ap); + } else { + message = "Memory error"; + } + 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; +} + + +#ifndef ENABLE_STATIC +/* for plugins only */ +G_MODULE_EXPORT void plugin_register(void) +{ + /* register the new protocol, protocol fields, and subtrees */ + if (proto_wimax == -1) + { /* execute protocol initialization only once */ + proto_register_wimax(); + } +} + +G_MODULE_EXPORT void plugin_reg_handoff(void) +{ + proto_reg_wimax(); +} +#endif + +/* 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, "wimax.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, "wimax.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); + + 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("wimax_dissector", 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); +} + |