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|
/* 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 <glib.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"
/* 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. */
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);
}
|
