3 * Routines for PPI Packet Header dissection
7 * Wireshark - Network traffic analyzer
8 * By Gerald Combs <gerald@wireshark.org>
9 * Copyright 2007 Gerald Combs
11 * Copyright (c) 2006 CACE Technologies, Davis (California)
12 * All rights reserved.
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions
17 * 1. Redistributions of source code must retain the above copyright
18 * notice, this list of conditions and the following disclaimer.
19 * 2. Redistributions in binary form must reproduce the above copyright
20 * notice, this list of conditions and the following disclaimer in the
21 * documentation and/or other materials provided with the distribution.
22 * 3. Neither the name of the project nor the names of its contributors
23 * may be used to endorse or promote products derived from this software
24 * without specific prior written permission.
26 * Alternatively, this software may be distributed under the terms of the
27 * GNU General Public License ("GPL") version 2 as published by the Free
28 * Software Foundation.
30 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
31 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
32 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
33 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
34 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
35 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
36 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
37 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
38 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
39 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
43 * Dustin Johnson - Dustin@Dustinj.us, Dustin.Johnson@cacetech.com
44 * May 7, 2008 - Added 'Aggregation Extension' and '802.3 Extension'
52 #include <epan/packet.h>
53 #include <epan/ptvcursor.h>
54 #include <epan/prefs.h>
55 #include <epan/reassemble.h>
56 #include <epan/frequency-utils.h>
58 /* Needed for wtap_pcap_encap_to_wtap_encap(). */
59 #include <wiretap/pcap-encap.h>
61 #include "packet-frame.h"
62 #include "packet-eth.h"
63 #include "packet-ieee80211.h"
64 #include "packet-ppi.h"
67 * Per-Packet Information (PPI) header.
68 * See the PPI Packet Header documentation at http://www.cacetech.com/documents
73 * PPI headers have the following format:
75 * ,---------------------------------------------------------.
76 * | PPH | PFH 1 | Field data 1 | PFH 2 | Field data 2 | ... |
77 * `---------------------------------------------------------'
79 * The PPH struct has the following format:
81 * typedef struct ppi_packetheader {
82 * guint8 pph_version; // Version. Currently 0
83 * guint8 pph_flags; // Flags.
84 * guint16 pph_len; // Length of entire message, including this header and TLV payload.
85 * guint32 pph_dlt; // libpcap Data Link Type of the captured packet data.
86 * } ppi_packetheader_t;
88 * The PFH struct has the following format:
90 * typedef struct ppi_fieldheader {
91 * guint16 pfh_type; // Type
92 * guint16 pfh_datalen; // Length of data
93 * } ppi_fieldheader_t;
95 * Anyone looking to add their own PPI dissector would probably do well to imitate the GPS
96 * ones separation into a distinct file. Here is a step by step guide:
97 * 1) add the number you received to the enum ppi_field_type declaration.
98 * 2) Add a value string for your number into vs_ppi_field_type
99 * 3) declare a dissector handle by the ppi_gps_handle, and initialize it inside proto_reg_handoff
100 * 4) add case inside dissect_ppi to call your new handle.
101 * 5) Write your parser, and get it loaded.
102 * Following these steps will result in less churn inside the ppi proper parser, and avoid namespace issues.
106 #define PPI_PADDED (1 << 0)
108 #define PPI_V0_HEADER_LEN 8
109 #define PPI_80211_COMMON_LEN 20
110 #define PPI_80211N_MAC_LEN 12
111 #define PPI_80211N_MAC_PHY_OFF 9
112 #define PPI_80211N_MAC_PHY_LEN 48
113 #define PPI_AGGREGATION_EXTENSION_LEN 4
114 #define PPI_8023_EXTENSION_LEN 8
116 #define PPI_FLAG_ALIGN 0x01
117 #define IS_PPI_FLAG_ALIGN(x) ((x) & PPI_FLAG_ALIGN)
119 #define DOT11_FLAG_HAVE_FCS 0x0001
121 #define DOT11N_FLAG_IS_AGGREGATE 0x0010
122 #define DOT11N_FLAG_MORE_AGGREGATES 0x0020
123 #define DOT11N_FLAG_AGG_CRC_ERROR 0x0040
125 #define DOT11N_IS_AGGREGATE(flags) (flags & DOT11N_FLAG_IS_AGGREGATE)
126 #define DOT11N_MORE_AGGREGATES(flags) ( \
127 (flags & DOT11N_FLAG_MORE_AGGREGATES) && \
128 !(flags & DOT11N_FLAG_AGG_CRC_ERROR))
129 #define AGGREGATE_MAX 65535
130 #define AMPDU_MAX 16383
132 /* XXX - Start - Copied from packet-radiotap.c */
134 #define IEEE80211_CHAN_TURBO 0x0010 /* Turbo channel */
135 #define IEEE80211_CHAN_CCK 0x0020 /* CCK channel */
136 #define IEEE80211_CHAN_OFDM 0x0040 /* OFDM channel */
137 #define IEEE80211_CHAN_2GHZ 0x0080 /* 2 GHz spectrum channel. */
138 #define IEEE80211_CHAN_5GHZ 0x0100 /* 5 GHz spectrum channel */
139 #define IEEE80211_CHAN_PASSIVE 0x0200 /* Only passive scan allowed */
140 #define IEEE80211_CHAN_DYN 0x0400 /* Dynamic CCK-OFDM channel */
141 #define IEEE80211_CHAN_GFSK 0x0800 /* GFSK channel (FHSS PHY) */
144 * Useful combinations of channel characteristics.
146 #define IEEE80211_CHAN_FHSS \
147 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_GFSK)
148 #define IEEE80211_CHAN_A \
149 (IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_OFDM)
150 #define IEEE80211_CHAN_B \
151 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_CCK)
152 #define IEEE80211_CHAN_PUREG \
153 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_OFDM)
154 #define IEEE80211_CHAN_G \
155 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_DYN)
156 #define IEEE80211_CHAN_T \
157 (IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_OFDM | IEEE80211_CHAN_TURBO)
158 #define IEEE80211_CHAN_108G \
159 (IEEE80211_CHAN_G | IEEE80211_CHAN_TURBO)
160 #define IEEE80211_CHAN_108PUREG \
161 (IEEE80211_CHAN_PUREG | IEEE80211_CHAN_TURBO)
162 /* XXX - End - Copied from packet-radiotap.c */
165 /* 0 - 29999: Public types */
166 PPI_80211_COMMON = 2,
168 PPI_80211N_MAC_PHY = 4,
169 PPI_SPECTRUM_MAP = 5,
170 PPI_PROCESS_INFO = 6,
171 PPI_CAPTURE_INFO = 7,
172 PPI_AGGREGATION_EXTENSION = 8,
173 PPI_8023_EXTENSION = 9,
174 /* 11 - 29999: RESERVED */
176 /* 30000 - 65535: Private types */
177 INTEL_CORP_PRIVATE = 30000,
178 MOHAMED_THAGA_PRIVATE = 30001,
179 PPI_GPS_INFO = 30002, /* 30002 - 30005 described in PPI-GEOLOCATION specifcation */
180 PPI_VECTOR_INFO = 30003, /* currently available in draft from. jellch@harris.com */
181 PPI_SENSOR_INFO = 30004,
182 PPI_ANTENNA_INFO = 30005,
183 CACE_PRIVATE = 0xCACE
184 /* All others RESERVED. Contact the WinPcap team for an assignment */
188 static int proto_ppi = -1;
191 static int hf_ppi_head_version = -1;
192 static int hf_ppi_head_flags = -1;
193 static int hf_ppi_head_flag_alignment = -1;
194 static int hf_ppi_head_flag_reserved = -1;
195 static int hf_ppi_head_len = -1;
196 static int hf_ppi_head_dlt = -1;
199 static int hf_ppi_field_type = -1;
200 static int hf_ppi_field_len = -1;
203 static int hf_80211_common_tsft = -1;
204 static int hf_80211_common_flags = -1;
205 static int hf_80211_common_flags_fcs = -1;
206 static int hf_80211_common_flags_tsft = -1;
207 static int hf_80211_common_flags_fcs_valid = -1;
208 static int hf_80211_common_flags_phy_err = -1;
209 static int hf_80211_common_rate = -1;
210 static int hf_80211_common_chan_freq = -1;
211 static int hf_80211_common_chan_flags = -1;
213 static int hf_80211_common_chan_flags_turbo = -1;
214 static int hf_80211_common_chan_flags_cck = -1;
215 static int hf_80211_common_chan_flags_ofdm = -1;
216 static int hf_80211_common_chan_flags_2ghz = -1;
217 static int hf_80211_common_chan_flags_5ghz = -1;
218 static int hf_80211_common_chan_flags_passive = -1;
219 static int hf_80211_common_chan_flags_dynamic = -1;
220 static int hf_80211_common_chan_flags_gfsk = -1;
222 static int hf_80211_common_fhss_hopset = -1;
223 static int hf_80211_common_fhss_pattern = -1;
224 static int hf_80211_common_dbm_antsignal = -1;
225 static int hf_80211_common_dbm_antnoise = -1;
228 static int hf_80211n_mac_flags = -1;
229 static int hf_80211n_mac_flags_greenfield = -1;
230 static int hf_80211n_mac_flags_ht20_40 = -1;
231 static int hf_80211n_mac_flags_rx_guard_interval = -1;
232 static int hf_80211n_mac_flags_duplicate_rx = -1;
233 static int hf_80211n_mac_flags_more_aggregates = -1;
234 static int hf_80211n_mac_flags_aggregate = -1;
235 static int hf_80211n_mac_flags_delimiter_crc_after = -1;
236 static int hf_80211n_mac_ampdu_id = -1;
237 static int hf_80211n_mac_num_delimiters = -1;
238 static int hf_80211n_mac_reserved = -1;
240 /* 802.11n MAC+PHY */
241 static int hf_80211n_mac_phy_mcs = -1;
242 static int hf_80211n_mac_phy_num_streams = -1;
243 static int hf_80211n_mac_phy_rssi_combined = -1;
244 static int hf_80211n_mac_phy_rssi_ant0_ctl = -1;
245 static int hf_80211n_mac_phy_rssi_ant1_ctl = -1;
246 static int hf_80211n_mac_phy_rssi_ant2_ctl = -1;
247 static int hf_80211n_mac_phy_rssi_ant3_ctl = -1;
248 static int hf_80211n_mac_phy_rssi_ant0_ext = -1;
249 static int hf_80211n_mac_phy_rssi_ant1_ext = -1;
250 static int hf_80211n_mac_phy_rssi_ant2_ext = -1;
251 static int hf_80211n_mac_phy_rssi_ant3_ext = -1;
252 static int hf_80211n_mac_phy_ext_chan_freq = -1;
253 static int hf_80211n_mac_phy_ext_chan_flags = -1;
254 static int hf_80211n_mac_phy_ext_chan_flags_turbo = -1;
255 static int hhf_80211n_mac_phy_ext_chan_flags_cck = -1;
256 static int hf_80211n_mac_phy_ext_chan_flags_ofdm = -1;
257 static int hhf_80211n_mac_phy_ext_chan_flags_2ghz = -1;
258 static int hf_80211n_mac_phy_ext_chan_flags_5ghz = -1;
259 static int hf_80211n_mac_phy_ext_chan_flags_passive = -1;
260 static int hf_80211n_mac_phy_ext_chan_flags_dynamic = -1;
261 static int hf_80211n_mac_phy_ext_chan_flags_gfsk = -1;
262 static int hf_80211n_mac_phy_dbm_ant0signal = -1;
263 static int hf_80211n_mac_phy_dbm_ant0noise = -1;
264 static int hf_80211n_mac_phy_dbm_ant1signal = -1;
265 static int hf_80211n_mac_phy_dbm_ant1noise = -1;
266 static int hf_80211n_mac_phy_dbm_ant2signal = -1;
267 static int hf_80211n_mac_phy_dbm_ant2noise = -1;
268 static int hf_80211n_mac_phy_dbm_ant3signal = -1;
269 static int hf_80211n_mac_phy_dbm_ant3noise = -1;
270 static int hf_80211n_mac_phy_evm0 = -1;
271 static int hf_80211n_mac_phy_evm1 = -1;
272 static int hf_80211n_mac_phy_evm2 = -1;
273 static int hf_80211n_mac_phy_evm3 = -1;
275 /* 802.11n-Extensions A-MPDU fragments */
276 static int hf_ampdu_reassembled_in = -1;
277 /* static int hf_ampdu_segments = -1; */
278 static int hf_ampdu_segment = -1;
279 static int hf_ampdu_count = -1;
282 static int hf_spectrum_map = -1;
285 static int hf_process_info = -1;
288 static int hf_capture_info = -1;
290 /* Aggregation Extension */
291 static int hf_aggregation_extension_interface_id = -1;
293 /* 802.3 Extension */
294 static int hf_8023_extension_flags = -1;
295 static int hf_8023_extension_flags_fcs_present = -1;
296 static int hf_8023_extension_errors = -1;
297 static int hf_8023_extension_errors_fcs = -1;
298 static int hf_8023_extension_errors_sequence = -1;
299 static int hf_8023_extension_errors_symbol = -1;
300 static int hf_8023_extension_errors_data = -1;
302 static gint ett_ppi_pph = -1;
303 static gint ett_ppi_flags = -1;
304 static gint ett_dot11_common = -1;
305 static gint ett_dot11_common_flags = -1;
306 static gint ett_dot11_common_channel_flags = -1;
307 static gint ett_dot11n_mac = -1;
308 static gint ett_dot11n_mac_flags = -1;
309 static gint ett_dot11n_mac_phy = -1;
310 static gint ett_dot11n_mac_phy_ext_channel_flags = -1;
311 static gint ett_ampdu_segments = -1;
312 static gint ett_ampdu = -1;
313 static gint ett_ampdu_segment = -1;
314 static gint ett_aggregation_extension = -1;
315 static gint ett_8023_extension = -1;
316 static gint ett_8023_extension_flags = -1;
317 static gint ett_8023_extension_errors = -1;
319 static dissector_handle_t data_handle;
320 static dissector_handle_t ieee80211_ht_handle;
321 static dissector_handle_t ppi_gps_handle, ppi_vector_handle, ppi_sensor_handle, ppi_antenna_handle;
324 static const true_false_string tfs_ppi_head_flag_alignment = { "32-bit aligned", "Not aligned" };
325 static const true_false_string tfs_tsft_ms = { "milliseconds", "microseconds" };
326 static const true_false_string tfs_ht20_40 = { "HT40", "HT20" };
327 static const true_false_string tfs_invalid_valid = { "Invalid", "Valid" };
328 static const true_false_string tfs_phy_error = { "PHY error", "No errors"};
330 static const value_string vs_ppi_field_type[] = {
331 {PPI_80211_COMMON, "802.11-Common"},
332 {PPI_80211N_MAC, "802.11n MAC Extensions"},
333 {PPI_80211N_MAC_PHY, "802.11n MAC+PHY Extensions"},
334 {PPI_SPECTRUM_MAP, "Spectrum-Map"},
335 {PPI_PROCESS_INFO, "Process-Info"},
336 {PPI_CAPTURE_INFO, "Capture-Info"},
337 {PPI_AGGREGATION_EXTENSION, "Aggregation Extension"},
338 {PPI_8023_EXTENSION, "802.3 Extension"},
340 {INTEL_CORP_PRIVATE, "Intel Corporation (private)"},
341 {MOHAMED_THAGA_PRIVATE, "Mohamed Thaga (private)"},
342 {PPI_GPS_INFO, "GPS Tagging"},
343 {PPI_VECTOR_INFO, "Vector Tagging"},
344 {PPI_SENSOR_INFO, "Sensor tagging"},
345 {PPI_ANTENNA_INFO, "Antenna Tagging"},
346 {CACE_PRIVATE, "CACE Technologies (private)"},
350 /* XXX - Start - Copied from packet-radiotap.c */
351 static const value_string vs_80211_common_phy_type[] = {
353 { IEEE80211_CHAN_A, "802.11a" },
354 { IEEE80211_CHAN_B, "802.11b" },
355 { IEEE80211_CHAN_PUREG, "802.11g (pure-g)" },
356 { IEEE80211_CHAN_G, "802.11g" },
357 { IEEE80211_CHAN_T, "802.11a (turbo)" },
358 { IEEE80211_CHAN_108PUREG, "802.11g (pure-g, turbo)" },
359 { IEEE80211_CHAN_108G, "802.11g (turbo)" },
360 { IEEE80211_CHAN_FHSS, "FHSS" },
363 /* XXX - End - Copied from packet-radiotap.c */
365 /* Tables for A-MPDU reassembly */
366 static GHashTable *ampdu_fragment_table = NULL;
367 static GHashTable *ampdu_reassembled_table = NULL;
369 /* Reassemble A-MPDUs? */
370 static gboolean ppi_ampdu_reassemble = TRUE;
374 capture_ppi(const guchar *pd, int len, packet_counts *ld)
377 guint ppi_len, data_type, data_len;
378 guint offset = PPI_V0_HEADER_LEN;
379 gboolean is_htc = FALSE;
381 ppi_len = pletohs(pd+2);
382 if(ppi_len < PPI_V0_HEADER_LEN || !BYTES_ARE_IN_FRAME(0, len, ppi_len)) {
389 /* Figure out if we're +HTC */
390 while (offset < ppi_len) {
391 data_type = pletohs(pd+offset);
392 data_len = pletohs(pd+offset+2) + 4;
395 if (data_type == PPI_80211N_MAC || data_type == PPI_80211N_MAC_PHY) {
401 /* XXX - We should probably combine this with capture_info.c:capture_info_packet() */
403 case 1: /* DLT_EN10MB */
404 capture_eth(pd, ppi_len, len, ld);
406 case 105: /* DLT_DLT_IEEE802_11 */
408 capture_ieee80211_ht(pd, ppi_len, len, ld);
410 capture_ieee80211(pd, ppi_len, len, ld);
420 ptvcursor_add_invalid_check(ptvcursor_t *csr, int hf, gint len, guint64 invalid_val) {
422 guint64 val = invalid_val;
426 val = tvb_get_letoh64(ptvcursor_tvbuff(csr),
427 ptvcursor_current_offset(csr));
430 val = tvb_get_letohl(ptvcursor_tvbuff(csr),
431 ptvcursor_current_offset(csr));
434 val = tvb_get_letohs(ptvcursor_tvbuff(csr),
435 ptvcursor_current_offset(csr));
438 val = tvb_get_guint8(ptvcursor_tvbuff(csr),
439 ptvcursor_current_offset(csr));
442 DISSECTOR_ASSERT_NOT_REACHED();
445 ti = ptvcursor_add(csr, hf, len, ENC_LITTLE_ENDIAN);
446 if (val == invalid_val)
447 proto_item_append_text(ti, " [invalid]");
451 add_ppi_field_header(tvbuff_t *tvb, proto_tree *tree, int *offset)
455 csr = ptvcursor_new(tree, tvb, *offset);
456 ptvcursor_add(csr, hf_ppi_field_type, 2, ENC_LITTLE_ENDIAN);
457 ptvcursor_add(csr, hf_ppi_field_len, 2, ENC_LITTLE_ENDIAN);
459 *offset=ptvcursor_current_offset(csr);
462 /* XXX - The main dissection function in the 802.11 dissector has the same name. */
464 dissect_80211_common(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, int data_len)
466 proto_tree *ftree = NULL;
467 proto_item *ti = NULL;
470 guint32 common_flags;
471 guint16 common_frequency;
474 ti = proto_tree_add_text(tree, tvb, offset, data_len, "802.11-Common");
475 ftree = proto_item_add_subtree(ti, ett_dot11_common);
476 add_ppi_field_header(tvb, ftree, &offset);
477 data_len -= 4; /* Subtract field header length */
479 if (data_len != PPI_80211_COMMON_LEN) {
480 proto_tree_add_text(ftree, tvb, offset, data_len, "Invalid length: %u", data_len);
481 THROW(ReportedBoundsError);
484 common_flags = tvb_get_letohs(tvb, offset + 8);
485 if (common_flags & DOT11_FLAG_HAVE_FCS)
486 pinfo->pseudo_header->ieee_802_11.fcs_len = 4;
488 pinfo->pseudo_header->ieee_802_11.fcs_len = 0;
490 csr = ptvcursor_new(ftree, tvb, offset);
492 ptvcursor_add_invalid_check(csr, hf_80211_common_tsft, 8, 0);
494 ptvcursor_add_with_subtree(csr, hf_80211_common_flags, 2, ENC_LITTLE_ENDIAN,
495 ett_dot11_common_flags);
496 ptvcursor_add_no_advance(csr, hf_80211_common_flags_fcs, 2, ENC_LITTLE_ENDIAN);
497 ptvcursor_add_no_advance(csr, hf_80211_common_flags_tsft, 2, ENC_LITTLE_ENDIAN);
498 ptvcursor_add_no_advance(csr, hf_80211_common_flags_fcs_valid, 2, ENC_LITTLE_ENDIAN);
499 ptvcursor_add(csr, hf_80211_common_flags_phy_err, 2, ENC_LITTLE_ENDIAN);
500 ptvcursor_pop_subtree(csr);
502 rate_kbps = tvb_get_letohs(tvb, ptvcursor_current_offset(csr)) * 500;
503 ti = proto_tree_add_uint_format(ftree, hf_80211_common_rate, tvb,
504 ptvcursor_current_offset(csr), 2, rate_kbps, "Rate: %.1f Mbps",
507 proto_item_append_text(ti, " [invalid]");
508 if (check_col(pinfo->cinfo, COL_TX_RATE)) {
509 col_add_fstr(pinfo->cinfo, COL_TX_RATE, "%.1f Mbps", rate_kbps / 1000.0);
511 ptvcursor_advance(csr, 2);
513 common_frequency = tvb_get_letohs(ptvcursor_tvbuff(csr), ptvcursor_current_offset(csr));
514 chan_str = ieee80211_mhz_to_str(common_frequency);
515 proto_tree_add_uint_format(ptvcursor_tree(csr), hf_80211_common_chan_freq, ptvcursor_tvbuff(csr),
516 ptvcursor_current_offset(csr), 2, common_frequency, "Channel frequency: %s", chan_str);
517 if (check_col(pinfo->cinfo, COL_FREQ_CHAN)) {
518 col_add_fstr(pinfo->cinfo, COL_FREQ_CHAN, "%s", chan_str);
521 ptvcursor_advance(csr, 2);
523 ptvcursor_add_with_subtree(csr, hf_80211_common_chan_flags, 2, ENC_LITTLE_ENDIAN,
524 ett_dot11_common_channel_flags);
525 ptvcursor_add_no_advance(csr, hf_80211_common_chan_flags_turbo, 2, ENC_LITTLE_ENDIAN);
526 ptvcursor_add_no_advance(csr, hf_80211_common_chan_flags_cck, 2, ENC_LITTLE_ENDIAN);
527 ptvcursor_add_no_advance(csr, hf_80211_common_chan_flags_ofdm, 2, ENC_LITTLE_ENDIAN);
528 ptvcursor_add_no_advance(csr, hf_80211_common_chan_flags_2ghz, 2, ENC_LITTLE_ENDIAN);
529 ptvcursor_add_no_advance(csr, hf_80211_common_chan_flags_5ghz, 2, ENC_LITTLE_ENDIAN);
530 ptvcursor_add_no_advance(csr, hf_80211_common_chan_flags_passive, 2, ENC_LITTLE_ENDIAN);
531 ptvcursor_add_no_advance(csr, hf_80211_common_chan_flags_dynamic, 2, ENC_LITTLE_ENDIAN);
532 ptvcursor_add(csr, hf_80211_common_chan_flags_gfsk, 2, ENC_LITTLE_ENDIAN);
533 ptvcursor_pop_subtree(csr);
536 ptvcursor_add(csr, hf_80211_common_fhss_hopset, 1, ENC_LITTLE_ENDIAN);
537 ptvcursor_add(csr, hf_80211_common_fhss_pattern, 1, ENC_LITTLE_ENDIAN);
539 if (check_col(pinfo->cinfo, COL_RSSI)) {
540 col_add_fstr(pinfo->cinfo, COL_RSSI, "%d dBm",
541 (gint8) tvb_get_guint8(tvb, ptvcursor_current_offset(csr)));
543 ptvcursor_add_invalid_check(csr, hf_80211_common_dbm_antsignal, 1, 0x80); /* -128 */
544 ptvcursor_add_invalid_check(csr, hf_80211_common_dbm_antnoise, 1, 0x80);
550 dissect_80211n_mac(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, int data_len, gboolean add_subtree, guint32 *n_mac_flags, guint32 *ampdu_id)
552 proto_tree *ftree = tree;
553 proto_item *ti = NULL;
555 int subtree_off = add_subtree ? 4 : 0;
557 *n_mac_flags = tvb_get_letohl(tvb, offset + subtree_off);
558 *ampdu_id = tvb_get_letohl(tvb, offset + 4 + subtree_off);
561 ti = proto_tree_add_text(tree, tvb, offset, data_len, "802.11n MAC");
562 ftree = proto_item_add_subtree(ti, ett_dot11n_mac);
563 add_ppi_field_header(tvb, ftree, &offset);
564 data_len -= 4; /* Subtract field header length */
567 if (data_len != PPI_80211N_MAC_LEN) {
568 proto_tree_add_text(ftree, tvb, offset, data_len, "Invalid length: %u", data_len);
569 THROW(ReportedBoundsError);
572 csr = ptvcursor_new(ftree, tvb, offset);
574 ptvcursor_add_with_subtree(csr, hf_80211n_mac_flags, 4, ENC_LITTLE_ENDIAN,
575 ett_dot11n_mac_flags);
576 ptvcursor_add_no_advance(csr, hf_80211n_mac_flags_greenfield, 4, ENC_LITTLE_ENDIAN);
577 ptvcursor_add_no_advance(csr, hf_80211n_mac_flags_ht20_40, 4, ENC_LITTLE_ENDIAN);
578 ptvcursor_add_no_advance(csr, hf_80211n_mac_flags_rx_guard_interval, 4, ENC_LITTLE_ENDIAN);
579 ptvcursor_add_no_advance(csr, hf_80211n_mac_flags_duplicate_rx, 4, ENC_LITTLE_ENDIAN);
580 ptvcursor_add_no_advance(csr, hf_80211n_mac_flags_aggregate, 4, ENC_LITTLE_ENDIAN);
581 ptvcursor_add_no_advance(csr, hf_80211n_mac_flags_more_aggregates, 4, ENC_LITTLE_ENDIAN);
582 ptvcursor_add(csr, hf_80211n_mac_flags_delimiter_crc_after, 4, ENC_LITTLE_ENDIAN); /* Last */
583 ptvcursor_pop_subtree(csr);
585 ptvcursor_add(csr, hf_80211n_mac_ampdu_id, 4, ENC_LITTLE_ENDIAN);
586 ptvcursor_add(csr, hf_80211n_mac_num_delimiters, 1, ENC_LITTLE_ENDIAN);
589 ptvcursor_add(csr, hf_80211n_mac_reserved, 3, ENC_LITTLE_ENDIAN);
596 dissect_80211n_mac_phy(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, int data_len, guint32 *n_mac_flags, guint32 *ampdu_id)
598 proto_tree *ftree = NULL;
599 proto_item *ti = NULL;
601 guint16 ext_frequency;
604 ti = proto_tree_add_text(tree, tvb, offset, data_len, "802.11n MAC+PHY");
605 ftree = proto_item_add_subtree(ti, ett_dot11n_mac_phy);
606 add_ppi_field_header(tvb, ftree, &offset);
607 data_len -= 4; /* Subtract field header length */
609 if (data_len != PPI_80211N_MAC_PHY_LEN) {
610 proto_tree_add_text(ftree, tvb, offset, data_len, "Invalid length: %u", data_len);
611 THROW(ReportedBoundsError);
614 dissect_80211n_mac(tvb, pinfo, ftree, offset, PPI_80211N_MAC_LEN,
615 FALSE, n_mac_flags, ampdu_id);
616 offset += PPI_80211N_MAC_PHY_OFF;
618 csr = ptvcursor_new(ftree, tvb, offset);
620 ptvcursor_add_invalid_check(csr, hf_80211n_mac_phy_mcs, 1, 255);
621 ti = ptvcursor_add(csr, hf_80211n_mac_phy_num_streams, 1, ENC_LITTLE_ENDIAN);
622 if (tvb_get_guint8(tvb, ptvcursor_current_offset(csr) - 1) == 0)
623 proto_item_append_text(ti, " (unknown)");
624 ptvcursor_add_invalid_check(csr, hf_80211n_mac_phy_rssi_combined, 1, 255);
625 ptvcursor_add_invalid_check(csr, hf_80211n_mac_phy_rssi_ant0_ctl, 1, 255);
626 ptvcursor_add_invalid_check(csr, hf_80211n_mac_phy_rssi_ant1_ctl, 1, 255);
627 ptvcursor_add_invalid_check(csr, hf_80211n_mac_phy_rssi_ant2_ctl, 1, 255);
628 ptvcursor_add_invalid_check(csr, hf_80211n_mac_phy_rssi_ant3_ctl, 1, 255);
629 ptvcursor_add_invalid_check(csr, hf_80211n_mac_phy_rssi_ant0_ext, 1, 255);
630 ptvcursor_add_invalid_check(csr, hf_80211n_mac_phy_rssi_ant1_ext, 1, 255);
631 ptvcursor_add_invalid_check(csr, hf_80211n_mac_phy_rssi_ant2_ext, 1, 255);
632 ptvcursor_add_invalid_check(csr, hf_80211n_mac_phy_rssi_ant3_ext, 1, 255);
634 ext_frequency = tvb_get_letohs(ptvcursor_tvbuff(csr), ptvcursor_current_offset(csr));
635 chan_str = ieee80211_mhz_to_str(ext_frequency);
636 proto_tree_add_uint_format(ptvcursor_tree(csr), hf_80211n_mac_phy_ext_chan_freq, ptvcursor_tvbuff(csr),
637 ptvcursor_current_offset(csr), 2, ext_frequency, "Ext. Channel frequency: %s", chan_str);
639 ptvcursor_advance(csr, 2);
641 ptvcursor_add_with_subtree(csr, hf_80211n_mac_phy_ext_chan_flags, 2, ENC_LITTLE_ENDIAN,
642 ett_dot11n_mac_phy_ext_channel_flags);
643 ptvcursor_add_no_advance(csr, hf_80211n_mac_phy_ext_chan_flags_turbo, 2, ENC_LITTLE_ENDIAN);
644 ptvcursor_add_no_advance(csr, hhf_80211n_mac_phy_ext_chan_flags_cck, 2, ENC_LITTLE_ENDIAN);
645 ptvcursor_add_no_advance(csr, hf_80211n_mac_phy_ext_chan_flags_ofdm, 2, ENC_LITTLE_ENDIAN);
646 ptvcursor_add_no_advance(csr, hhf_80211n_mac_phy_ext_chan_flags_2ghz, 2, ENC_LITTLE_ENDIAN);
647 ptvcursor_add_no_advance(csr, hf_80211n_mac_phy_ext_chan_flags_5ghz, 2, ENC_LITTLE_ENDIAN);
648 ptvcursor_add_no_advance(csr, hf_80211n_mac_phy_ext_chan_flags_passive, 2, ENC_LITTLE_ENDIAN);
649 ptvcursor_add_no_advance(csr, hf_80211n_mac_phy_ext_chan_flags_dynamic, 2, ENC_LITTLE_ENDIAN);
650 ptvcursor_add(csr, hf_80211n_mac_phy_ext_chan_flags_gfsk, 2, ENC_LITTLE_ENDIAN);
651 ptvcursor_pop_subtree(csr);
653 ptvcursor_add_invalid_check(csr, hf_80211n_mac_phy_dbm_ant0signal, 1, 0x80); /* -128 */
654 ptvcursor_add_invalid_check(csr, hf_80211n_mac_phy_dbm_ant0noise, 1, 0x80);
655 ptvcursor_add_invalid_check(csr, hf_80211n_mac_phy_dbm_ant1signal, 1, 0x80);
656 ptvcursor_add_invalid_check(csr, hf_80211n_mac_phy_dbm_ant1noise, 1, 0x80);
657 ptvcursor_add_invalid_check(csr, hf_80211n_mac_phy_dbm_ant2signal, 1, 0x80);
658 ptvcursor_add_invalid_check(csr, hf_80211n_mac_phy_dbm_ant2noise, 1, 0x80);
659 ptvcursor_add_invalid_check(csr, hf_80211n_mac_phy_dbm_ant3signal, 1, 0x80);
660 ptvcursor_add_invalid_check(csr, hf_80211n_mac_phy_dbm_ant3noise, 1, 0x80);
661 ptvcursor_add_invalid_check(csr, hf_80211n_mac_phy_evm0, 4, 0);
662 ptvcursor_add_invalid_check(csr, hf_80211n_mac_phy_evm1, 4, 0);
663 ptvcursor_add_invalid_check(csr, hf_80211n_mac_phy_evm2, 4, 0);
664 ptvcursor_add_invalid_check(csr, hf_80211n_mac_phy_evm3, 4, 0);
670 dissect_aggregation_extension(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, int data_len)
672 proto_tree *ftree = tree;
673 proto_item *ti = NULL;
676 ti = proto_tree_add_text(tree, tvb, offset, data_len, "Aggregation Extension");
677 ftree = proto_item_add_subtree(ti, ett_aggregation_extension);
678 add_ppi_field_header(tvb, ftree, &offset);
679 data_len -= 4; /* Subtract field header length */
681 if (data_len != PPI_AGGREGATION_EXTENSION_LEN) {
682 proto_tree_add_text(ftree, tvb, offset, data_len, "Invalid length: %u", data_len);
683 THROW(ReportedBoundsError);
686 csr = ptvcursor_new(ftree, tvb, offset);
688 ptvcursor_add(csr, hf_aggregation_extension_interface_id, 4, ENC_LITTLE_ENDIAN); /* Last */
693 dissect_8023_extension(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, int data_len)
695 proto_tree *ftree = tree;
696 proto_item *ti = NULL;
699 ti = proto_tree_add_text(tree, tvb, offset, data_len, "802.3 Extension");
700 ftree = proto_item_add_subtree(ti, ett_8023_extension);
701 add_ppi_field_header(tvb, ftree, &offset);
702 data_len -= 4; /* Subtract field header length */
704 if (data_len != PPI_8023_EXTENSION_LEN) {
705 proto_tree_add_text(ftree, tvb, offset, data_len, "Invalid length: %u", data_len);
706 THROW(ReportedBoundsError);
709 csr = ptvcursor_new(ftree, tvb, offset);
711 ptvcursor_add_with_subtree(csr, hf_8023_extension_flags, 4, ENC_LITTLE_ENDIAN, ett_8023_extension_flags);
712 ptvcursor_add(csr, hf_8023_extension_flags_fcs_present, 4, ENC_LITTLE_ENDIAN);
713 ptvcursor_pop_subtree(csr);
715 ptvcursor_add_with_subtree(csr, hf_8023_extension_errors, 4, ENC_LITTLE_ENDIAN, ett_8023_extension_errors);
716 ptvcursor_add_no_advance(csr, hf_8023_extension_errors_fcs, 4, ENC_LITTLE_ENDIAN);
717 ptvcursor_add_no_advance(csr, hf_8023_extension_errors_sequence, 4, ENC_LITTLE_ENDIAN);
718 ptvcursor_add_no_advance(csr, hf_8023_extension_errors_symbol, 4, ENC_LITTLE_ENDIAN);
719 ptvcursor_add(csr, hf_8023_extension_errors_data, 4, ENC_LITTLE_ENDIAN);
720 ptvcursor_pop_subtree(csr);
726 #define PADDING4(x) ((((x + 3) >> 2) << 2) - x)
727 #define ADD_BASIC_TAG(hf_tag) \
729 proto_tree_add_item(ppi_tree, hf_tag, tvb, offset, data_len, ENC_NA)
732 dissect_ppi(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
734 proto_tree *ppi_tree = NULL, *ppi_flags_tree = NULL, *seg_tree = NULL, *ampdu_tree = NULL;
735 proto_tree *agg_tree = NULL;
736 proto_item *ti = NULL;
739 guint version, flags;
740 gint tot_len, data_len;
743 guint32 n_ext_flags = 0;
744 guint32 ampdu_id = 0;
745 fragment_data *fd_head = NULL, *ft_fdh = NULL;
748 gboolean first_mpdu = TRUE;
749 guint last_frame = 0;
750 gboolean is_ht = FALSE;
751 gint len_remain, /*pad_len = 0,*/ ampdu_len = 0;
753 col_set_str(pinfo->cinfo, COL_PROTOCOL, "PPI");
754 col_clear(pinfo->cinfo, COL_INFO);
756 version = tvb_get_guint8(tvb, offset);
757 flags = tvb_get_guint8(tvb, offset + 1);
759 tot_len = tvb_get_letohs(tvb, offset+2);
760 dlt = tvb_get_letohl(tvb, offset+4);
762 col_add_fstr(pinfo->cinfo, COL_INFO, "PPI version %u, %u bytes",
765 /* Dissect the packet */
767 ti = proto_tree_add_protocol_format(tree, proto_ppi,
768 tvb, 0, tot_len, "PPI version %u, %u bytes", version, tot_len);
769 ppi_tree = proto_item_add_subtree(ti, ett_ppi_pph);
770 proto_tree_add_item(ppi_tree, hf_ppi_head_version,
771 tvb, offset, 1, ENC_LITTLE_ENDIAN);
773 ti = proto_tree_add_item(ppi_tree, hf_ppi_head_flags,
774 tvb, offset + 1, 1, ENC_LITTLE_ENDIAN);
775 ppi_flags_tree = proto_item_add_subtree(ti, ett_ppi_flags);
776 proto_tree_add_item(ppi_flags_tree, hf_ppi_head_flag_alignment,
777 tvb, offset + 1, 1, ENC_LITTLE_ENDIAN);
778 proto_tree_add_item(ppi_flags_tree, hf_ppi_head_flag_reserved,
779 tvb, offset + 1, 1, ENC_LITTLE_ENDIAN);
781 proto_tree_add_item(ppi_tree, hf_ppi_head_len,
782 tvb, offset + 2, 2, ENC_LITTLE_ENDIAN);
783 proto_tree_add_item(ppi_tree, hf_ppi_head_dlt,
784 tvb, offset + 4, 4, ENC_LITTLE_ENDIAN);
787 tot_len -= PPI_V0_HEADER_LEN;
790 while (tot_len > 0) {
791 data_type = tvb_get_letohs(tvb, offset);
792 data_len = tvb_get_letohs(tvb, offset + 2) + 4;
796 case PPI_80211_COMMON:
797 dissect_80211_common(tvb, pinfo, ppi_tree, offset, data_len);
801 dissect_80211n_mac(tvb, pinfo, ppi_tree, offset, data_len,
802 TRUE, &n_ext_flags, &du_id);
806 case PPI_80211N_MAC_PHY:
807 dissect_80211n_mac_phy(tvb, pinfo, ppi_tree, offset,
808 data_len, &n_ext_flags, &du_id);
812 case PPI_SPECTRUM_MAP:
813 ADD_BASIC_TAG(hf_spectrum_map);
816 case PPI_PROCESS_INFO:
817 ADD_BASIC_TAG(hf_process_info);
820 case PPI_CAPTURE_INFO:
821 ADD_BASIC_TAG(hf_capture_info);
824 case PPI_AGGREGATION_EXTENSION:
825 dissect_aggregation_extension(tvb, pinfo, ppi_tree, offset, data_len);
828 case PPI_8023_EXTENSION:
829 dissect_8023_extension(tvb, pinfo, ppi_tree, offset, data_len);
832 if (ppi_gps_handle == NULL)
834 proto_tree_add_text(ppi_tree, tvb, offset, data_len,
835 "%s (%u bytes)", val_to_str_const(data_type, vs_ppi_field_type, "GPS: "), data_len);
837 else /* we found a suitable dissector */
839 /* skip over the ppi_fieldheader, and pass it off to the dedicated GPS dissetor */
840 next_tvb = tvb_new_subset(tvb, offset + 4, data_len - 4 , -1);
841 call_dissector(ppi_gps_handle, next_tvb, pinfo, ppi_tree);
844 case PPI_VECTOR_INFO:
845 if (ppi_vector_handle == NULL)
847 proto_tree_add_text(ppi_tree, tvb, offset, data_len,
848 "%s (%u bytes)", val_to_str_const(data_type, vs_ppi_field_type, "VECTOR: "), data_len);
850 else /* we found a suitable dissector */
852 /* skip over the ppi_fieldheader, and pass it off to the dedicated VECTOR dissetor */
853 next_tvb = tvb_new_subset(tvb, offset + 4, data_len - 4 , -1);
854 call_dissector(ppi_vector_handle, next_tvb, pinfo, ppi_tree);
857 case PPI_SENSOR_INFO:
858 if (ppi_sensor_handle == NULL)
860 proto_tree_add_text(ppi_tree, tvb, offset, data_len,
861 "%s (%u bytes)", val_to_str_const(data_type, vs_ppi_field_type, "HARRIS: "), data_len);
863 else /* we found a suitable dissector */
865 /* skip over the ppi_fieldheader, and pass it off to the dedicated SENSOR dissetor */
866 next_tvb = tvb_new_subset(tvb, offset + 4, data_len - 4 , -1);
867 call_dissector(ppi_sensor_handle, next_tvb, pinfo, ppi_tree);
870 case PPI_ANTENNA_INFO:
871 if (ppi_antenna_handle == NULL)
873 proto_tree_add_text(ppi_tree, tvb, offset, data_len,
874 "%s (%u bytes)", val_to_str_const(data_type, vs_ppi_field_type, "ANTENNA: "), data_len);
876 else /* we found a suitable dissector */
878 /* skip over the ppi_fieldheader, and pass it off to the dedicated ANTENNA dissetor */
879 next_tvb = tvb_new_subset(tvb, offset + 4, data_len - 4 , -1);
880 call_dissector(ppi_antenna_handle, next_tvb, pinfo, ppi_tree);
886 proto_tree_add_text(ppi_tree, tvb, offset, data_len,
887 "%s (%u bytes)", val_to_str_const(data_type, vs_ppi_field_type, "Reserved"), data_len);
891 if (IS_PPI_FLAG_ALIGN(flags)){
892 offset += PADDING4(offset);
896 if (ppi_ampdu_reassemble && DOT11N_IS_AGGREGATE(n_ext_flags)) {
897 len_remain = tvb_length_remaining(tvb, offset);
898 #if 0 /* XXX: pad_len never actually used ?? */
899 if (DOT11N_MORE_AGGREGATES(n_ext_flags)) {
900 pad_len = PADDING4(len_remain);
903 pinfo->fragmented = TRUE;
905 /* Make sure we aren't going to go past AGGREGATE_MAX
906 * and caclulate our full A-MPDU length */
907 fd_head = fragment_get(pinfo, ampdu_id, ampdu_fragment_table);
909 ampdu_len += fd_head->len + PADDING4(fd_head->len) + 4;
910 fd_head = fd_head->next;
912 if (ampdu_len > AGGREGATE_MAX) {
914 proto_tree_add_text(ppi_tree, tvb, offset, -1,
915 "[Aggregate length greater than maximum (%u)]", AGGREGATE_MAX);
916 THROW(ReportedBoundsError);
923 * Note that we never actually reassemble our A-MPDUs. Doing
924 * so would require prepending each MPDU with an A-MPDU delimiter
925 * and appending it with padding, only to hand it off to some
926 * routine which would un-do the work we just did. We're using
927 * the reassembly code to track MPDU sizes and frame numbers.
929 /*??fd_head = */fragment_add_seq_next(tvb, offset, pinfo, ampdu_id,
930 ampdu_fragment_table, ampdu_reassembled_table,
932 pinfo->fragmented = TRUE;
935 fd_head = fragment_get(pinfo, ampdu_id, ampdu_fragment_table);
937 /* Show our fragments */
938 if (fd_head && tree) {
940 /* List our fragments */
941 ti = proto_tree_add_text(ppi_tree, tvb, offset, -1, "A-MPDU (%u bytes w/hdrs):", ampdu_len);
942 PROTO_ITEM_SET_GENERATED(ti);
943 seg_tree = proto_item_add_subtree(ti, ett_ampdu_segments);
946 if (ft_fdh->data && ft_fdh->len) {
947 last_frame = ft_fdh->frame;
949 proto_item_append_text(ti, ",");
951 proto_item_append_text(ti, " #%u(%u)",
952 ft_fdh->frame, ft_fdh->len);
953 proto_tree_add_uint_format(seg_tree, hf_ampdu_segment,
954 tvb, 0, 0, last_frame,
955 "Frame: %u (%u byte%s)",
958 plurality(ft_fdh->len, "", "s"));
960 ft_fdh = ft_fdh->next;
962 if (last_frame && last_frame != pinfo->fd->num)
963 proto_tree_add_uint(seg_tree, hf_ampdu_reassembled_in,
964 tvb, 0, 0, last_frame);
967 if (fd_head && !DOT11N_MORE_AGGREGATES(n_ext_flags)) {
969 ti = proto_tree_add_protocol_format(tree,
970 proto_get_id_by_filter_name("wlan_aggregate"),
971 tvb, 0, tot_len, "IEEE 802.11 Aggregate MPDU");
972 agg_tree = proto_item_add_subtree(ti, ett_ampdu);
976 if (fd_head->data && fd_head->len) {
978 mpdu_str = ep_strdup_printf("MPDU #%d", mpdu_count);
980 next_tvb = tvb_new_child_real_data(tvb, fd_head->data,
981 fd_head->len, fd_head->len);
982 add_new_data_source(pinfo, next_tvb, mpdu_str);
985 ti = proto_tree_add_text(agg_tree, next_tvb, 0, -1, "%s", mpdu_str);
986 ampdu_tree = proto_item_add_subtree(ti, ett_ampdu_segment);
988 call_dissector(ieee80211_ht_handle, next_tvb, pinfo, ampdu_tree);
990 fd_head = fd_head->next;
992 proto_tree_add_uint(seg_tree, hf_ampdu_count, tvb, 0, 0, mpdu_count);
993 pinfo->fragmented=FALSE;
995 next_tvb = tvb_new_subset_remaining(tvb, offset);
996 col_set_str(pinfo->cinfo, COL_PROTOCOL, "IEEE 802.11n");
997 col_set_str(pinfo->cinfo, COL_INFO, "Unreassembled A-MPDU data");
998 call_dissector(data_handle, next_tvb, pinfo, tree);
1003 next_tvb = tvb_new_subset_remaining(tvb, offset);
1004 if (is_ht) { /* We didn't hit the reassembly code */
1005 call_dissector(ieee80211_ht_handle, next_tvb, pinfo, tree);
1007 dissector_try_uint(wtap_encap_dissector_table,
1008 wtap_pcap_encap_to_wtap_encap(dlt), next_tvb, pinfo, tree);
1012 /* Establish our beachead */
1015 ampdu_reassemble_init(void)
1017 fragment_table_init(&du_fragment_table);
1018 reassembled_table_init(&du_reassembled_table);
1022 proto_register_ppi(void)
1024 static hf_register_info hf[] = {
1025 { &hf_ppi_head_version,
1026 { "Version", "ppi.version",
1027 FT_UINT8, BASE_DEC, NULL, 0x0,
1028 "PPI header format version", HFILL } },
1029 { &hf_ppi_head_flags,
1030 { "Flags", "ppi.flags",
1031 FT_UINT8, BASE_HEX, NULL, 0x0,
1032 "PPI header flags", HFILL } },
1033 { &hf_ppi_head_flag_alignment,
1034 { "Alignment", "ppi.flags.alignment",
1035 FT_BOOLEAN, 8, TFS(&tfs_ppi_head_flag_alignment), 0x01,
1036 "PPI header flags - 32bit Alignment", HFILL } },
1037 { &hf_ppi_head_flag_reserved,
1038 { "Reserved", "ppi.flags.reserved",
1039 FT_UINT8, BASE_HEX, NULL, 0xFE,
1040 "PPI header flags - Reserved Flags", HFILL } },
1042 { "Header length", "ppi.length",
1043 FT_UINT16, BASE_DEC, NULL, 0x0,
1044 "Length of header including payload", HFILL } },
1047 FT_UINT32, BASE_DEC, NULL, 0x0, "libpcap Data Link Type (DLT) of the payload", HFILL } },
1049 { &hf_ppi_field_type,
1050 { "Field type", "ppi.field_type",
1051 FT_UINT16, BASE_DEC, VALS(vs_ppi_field_type), 0x0, "PPI data field type", HFILL } },
1052 { &hf_ppi_field_len,
1053 { "Field length", "ppi.field_len",
1054 FT_UINT16, BASE_DEC, NULL, 0x0, "PPI data field length", HFILL } },
1056 { &hf_80211_common_tsft,
1057 { "TSFT", "ppi.80211-common.tsft",
1058 FT_UINT64, BASE_DEC, NULL, 0x0, "PPI 802.11-Common Timing Synchronization Function Timer (TSFT)", HFILL } },
1059 { &hf_80211_common_flags,
1060 { "Flags", "ppi.80211-common.flags",
1061 FT_UINT16, BASE_HEX, NULL, 0x0, "PPI 802.11-Common Flags", HFILL } },
1062 { &hf_80211_common_flags_fcs,
1063 { "FCS present flag", "ppi.80211-common.flags.fcs",
1064 FT_BOOLEAN, 16, TFS(&tfs_present_absent), 0x0001, "PPI 802.11-Common Frame Check Sequence (FCS) Present Flag", HFILL } },
1065 { &hf_80211_common_flags_tsft,
1066 { "TSFT flag", "ppi.80211-common.flags.tsft",
1067 FT_BOOLEAN, 16, TFS(&tfs_tsft_ms), 0x0002, "PPI 802.11-Common Timing Synchronization Function Timer (TSFT) msec/usec flag", HFILL } },
1068 { &hf_80211_common_flags_fcs_valid,
1069 { "FCS validity", "ppi.80211-common.flags.fcs-invalid",
1070 FT_BOOLEAN, 16, TFS(&tfs_invalid_valid), 0x0004, "PPI 802.11-Common Frame Check Sequence (FCS) Validity flag", HFILL } },
1071 { &hf_80211_common_flags_phy_err,
1072 { "PHY error flag", "ppi.80211-common.flags.phy-err",
1073 FT_BOOLEAN, 16, TFS(&tfs_phy_error), 0x0008, "PPI 802.11-Common Physical level (PHY) Error", HFILL } },
1074 { &hf_80211_common_rate,
1075 { "Data rate", "ppi.80211-common.rate",
1076 FT_UINT16, BASE_DEC, NULL, 0x0, "PPI 802.11-Common Data Rate (x 500 Kbps)", HFILL } },
1077 { &hf_80211_common_chan_freq,
1078 { "Channel frequency", "ppi.80211-common.chan.freq",
1079 FT_UINT16, BASE_DEC, NULL, 0x0,
1080 "PPI 802.11-Common Channel Frequency", HFILL } },
1081 { &hf_80211_common_chan_flags,
1082 { "Channel type", "ppi.80211-common.chan.type",
1083 FT_UINT16, BASE_HEX, VALS(vs_80211_common_phy_type), 0x0, "PPI 802.11-Common Channel Type", HFILL } },
1085 { &hf_80211_common_chan_flags_turbo,
1086 { "Turbo", "ppi.80211-common.chan.type.turbo",
1087 FT_BOOLEAN, 16, NULL, 0x0010, "PPI 802.11-Common Channel Type Turbo", HFILL } },
1088 { &hf_80211_common_chan_flags_cck,
1089 { "Complementary Code Keying (CCK)", "ppi.80211-common.chan.type.cck",
1090 FT_BOOLEAN, 16, NULL, 0x0020, "PPI 802.11-Common Channel Type Complementary Code Keying (CCK) Modulation", HFILL } },
1091 { &hf_80211_common_chan_flags_ofdm,
1092 { "Orthogonal Frequency-Division Multiplexing (OFDM)", "ppi.80211-common.chan.type.ofdm",
1093 FT_BOOLEAN, 16, NULL, 0x0040, "PPI 802.11-Common Channel Type Orthogonal Frequency-Division Multiplexing (OFDM)", HFILL } },
1094 { &hf_80211_common_chan_flags_2ghz,
1095 { "2 GHz spectrum", "ppi.80211-common.chan.type.2ghz",
1096 FT_BOOLEAN, 16, NULL, 0x0080, "PPI 802.11-Common Channel Type 2 GHz spectrum", HFILL } },
1097 { &hf_80211_common_chan_flags_5ghz,
1098 { "5 GHz spectrum", "ppi.80211-common.chan.type.5ghz",
1099 FT_BOOLEAN, 16, NULL, 0x0100, "PPI 802.11-Common Channel Type 5 GHz spectrum", HFILL } },
1100 { &hf_80211_common_chan_flags_passive,
1101 { "Passive", "ppi.80211-common.chan.type.passive",
1102 FT_BOOLEAN, 16, NULL, 0x0200, "PPI 802.11-Common Channel Type Passive", HFILL } },
1103 { &hf_80211_common_chan_flags_dynamic,
1104 { "Dynamic CCK-OFDM", "ppi.80211-common.chan.type.dynamic",
1105 FT_BOOLEAN, 16, NULL, 0x0400, "PPI 802.11-Common Channel Type Dynamic CCK-OFDM Channel", HFILL } },
1106 { &hf_80211_common_chan_flags_gfsk,
1107 { "Gaussian Frequency Shift Keying (GFSK)", "ppi.80211-common.chan.type.gfsk",
1108 FT_BOOLEAN, 16, NULL, 0x0800, "PPI 802.11-Common Channel Type Gaussian Frequency Shift Keying (GFSK) Modulation", HFILL } },
1110 { &hf_80211_common_fhss_hopset,
1111 { "FHSS hopset", "ppi.80211-common.fhss.hopset",
1112 FT_UINT8, BASE_HEX, NULL, 0x0, "PPI 802.11-Common Frequency-Hopping Spread Spectrum (FHSS) Hopset", HFILL } },
1113 { &hf_80211_common_fhss_pattern,
1114 { "FHSS pattern", "ppi.80211-common.fhss.pattern",
1115 FT_UINT8, BASE_HEX, NULL, 0x0, "PPI 802.11-Common Frequency-Hopping Spread Spectrum (FHSS) Pattern", HFILL } },
1116 { &hf_80211_common_dbm_antsignal,
1117 { "dBm antenna signal", "ppi.80211-common.dbm.antsignal",
1118 FT_INT8, BASE_DEC, NULL, 0x0, "PPI 802.11-Common dBm Antenna Signal", HFILL } },
1119 { &hf_80211_common_dbm_antnoise,
1120 { "dBm antenna noise", "ppi.80211-common.dbm.antnoise",
1121 FT_INT8, BASE_DEC, NULL, 0x0, "PPI 802.11-Common dBm Antenna Noise", HFILL } },
1124 { &hf_80211n_mac_flags,
1125 { "MAC flags", "ppi.80211n-mac.flags",
1126 FT_UINT32, BASE_HEX, NULL, 0x0, "PPI 802.11n MAC flags", HFILL } },
1127 { &hf_80211n_mac_flags_greenfield,
1128 { "Greenfield flag", "ppi.80211n-mac.flags.greenfield",
1129 FT_BOOLEAN, 32, TFS(&tfs_true_false), 0x0001, "PPI 802.11n MAC Greenfield Flag", HFILL } },
1130 { &hf_80211n_mac_flags_ht20_40,
1131 { "HT20/HT40 flag", "ppi.80211n-mac.flags.ht20_40",
1132 FT_BOOLEAN, 32, TFS(&tfs_ht20_40), 0x0002, "PPI 802.11n MAC HT20/HT40 Flag", HFILL } },
1133 { &hf_80211n_mac_flags_rx_guard_interval,
1134 { "RX Short Guard Interval (SGI) flag", "ppi.80211n-mac.flags.rx.short_guard_interval",
1135 FT_BOOLEAN, 32, TFS(&tfs_true_false), 0x0004, "PPI 802.11n MAC RX Short Guard Interval (SGI) Flag", HFILL } },
1136 { &hf_80211n_mac_flags_duplicate_rx,
1137 { "Duplicate RX flag", "ppi.80211n-mac.flags.rx.duplicate",
1138 FT_BOOLEAN, 32, TFS(&tfs_true_false), 0x0008, "PPI 802.11n MAC Duplicate RX Flag", HFILL } },
1139 { &hf_80211n_mac_flags_aggregate,
1140 { "Aggregate flag", "ppi.80211n-mac.flags.agg",
1141 FT_BOOLEAN, 32, TFS(&tfs_true_false), 0x0010, "PPI 802.11 MAC Aggregate Flag", HFILL } },
1142 { &hf_80211n_mac_flags_more_aggregates,
1143 { "More aggregates flag", "ppi.80211n-mac.flags.more_agg",
1144 FT_BOOLEAN, 32, TFS(&tfs_true_false), 0x0020, "PPI 802.11n MAC More Aggregates Flag", HFILL } },
1145 { &hf_80211n_mac_flags_delimiter_crc_after,
1146 { "A-MPDU Delimiter CRC error after this frame flag", "ppi.80211n-mac.flags.delim_crc_error_after",
1147 FT_BOOLEAN, 32, TFS(&tfs_true_false), 0x0040, "PPI 802.11n MAC A-MPDU Delimiter CRC Error After This Frame Flag", HFILL } },
1148 { &hf_80211n_mac_ampdu_id,
1149 { "AMPDU-ID", "ppi.80211n-mac.ampdu_id",
1150 FT_UINT32, BASE_HEX, NULL, 0x0, "PPI 802.11n MAC AMPDU-ID", HFILL } },
1151 { &hf_80211n_mac_num_delimiters,
1152 { "Num-Delimiters", "ppi.80211n-mac.num_delimiters",
1153 FT_UINT8, BASE_DEC, NULL, 0x0, "PPI 802.11n MAC number of zero-length pad delimiters", HFILL } },
1154 { &hf_80211n_mac_reserved,
1155 { "Reserved", "ppi.80211n-mac.reserved",
1156 FT_UINT24, BASE_HEX, NULL, 0x0, "PPI 802.11n MAC Reserved", HFILL } },
1159 /* 802.11n MAC+PHY */
1160 { &hf_80211n_mac_phy_mcs,
1161 { "MCS", "ppi.80211n-mac-phy.mcs",
1162 FT_UINT8, BASE_DEC, NULL, 0x0, "PPI 802.11n MAC+PHY Modulation Coding Scheme (MCS)", HFILL } },
1163 { &hf_80211n_mac_phy_num_streams,
1164 { "Number of spatial streams", "ppi.80211n-mac-phy.num_streams",
1165 FT_UINT8, BASE_DEC, NULL, 0x0, "PPI 802.11n MAC+PHY number of spatial streams", HFILL } },
1166 { &hf_80211n_mac_phy_rssi_combined,
1167 { "RSSI combined", "ppi.80211n-mac-phy.rssi.combined",
1168 FT_UINT8, BASE_DEC, NULL, 0x0, "PPI 802.11n MAC+PHY Received Signal Strength Indication (RSSI) Combined", HFILL } },
1169 { &hf_80211n_mac_phy_rssi_ant0_ctl,
1170 { "Antenna 0 control RSSI", "ppi.80211n-mac-phy.rssi.ant0ctl",
1171 FT_UINT8, BASE_DEC, NULL, 0x0, "PPI 802.11n MAC+PHY Antenna 0 Control Channel Received Signal Strength Indication (RSSI)", HFILL } },
1172 { &hf_80211n_mac_phy_rssi_ant1_ctl,
1173 { "Antenna 1 control RSSI", "ppi.80211n-mac-phy.rssi.ant1ctl",
1174 FT_UINT8, BASE_DEC, NULL, 0x0, "PPI 802.11n MAC+PHY Antenna 1 Control Channel Received Signal Strength Indication (RSSI)", HFILL } },
1175 { &hf_80211n_mac_phy_rssi_ant2_ctl,
1176 { "Antenna 2 control RSSI", "ppi.80211n-mac-phy.rssi.ant2ctl",
1177 FT_UINT8, BASE_DEC, NULL, 0x0, "PPI 802.11n MAC+PHY Antenna 2 Control Channel Received Signal Strength Indication (RSSI)", HFILL } },
1178 { &hf_80211n_mac_phy_rssi_ant3_ctl,
1179 { "Antenna 3 control RSSI", "ppi.80211n-mac-phy.rssi.ant3ctl",
1180 FT_UINT8, BASE_DEC, NULL, 0x0, "PPI 802.11n MAC+PHY Antenna 3 Control Channel Received Signal Strength Indication (RSSI)", HFILL } },
1181 { &hf_80211n_mac_phy_rssi_ant0_ext,
1182 { "Antenna 0 extension RSSI", "ppi.80211n-mac-phy.rssi.ant0ext",
1183 FT_UINT8, BASE_DEC, NULL, 0x0, "PPI 802.11n MAC+PHY Antenna 0 Extension Channel Received Signal Strength Indication (RSSI)", HFILL } },
1184 { &hf_80211n_mac_phy_rssi_ant1_ext,
1185 { "Antenna 1 extension RSSI", "ppi.80211n-mac-phy.rssi.ant1ext",
1186 FT_UINT8, BASE_DEC, NULL, 0x0, "PPI 802.11n MAC+PHY Antenna 1 Extension Channel Received Signal Strength Indication (RSSI)", HFILL } },
1187 { &hf_80211n_mac_phy_rssi_ant2_ext,
1188 { "Antenna 2 extension RSSI", "ppi.80211n-mac-phy.rssi.ant2ext",
1189 FT_UINT8, BASE_DEC, NULL, 0x0, "PPI 802.11n MAC+PHY Antenna 2 Extension Channel Received Signal Strength Indication (RSSI)", HFILL } },
1190 { &hf_80211n_mac_phy_rssi_ant3_ext,
1191 { "Antenna 3 extension RSSI", "ppi.80211n-mac-phy.rssi.ant3ext",
1192 FT_UINT8, BASE_DEC, NULL, 0x0, "PPI 802.11n MAC+PHY Antenna 3 Extension Channel Received Signal Strength Indication (RSSI)", HFILL } },
1193 { &hf_80211n_mac_phy_ext_chan_freq,
1194 { "Extended channel frequency", "ppi.80211-mac-phy.ext-chan.freq",
1195 FT_UINT16, BASE_DEC, NULL, 0x0, "PPI 802.11n MAC+PHY Extended Channel Frequency", HFILL } },
1196 { &hf_80211n_mac_phy_ext_chan_flags,
1197 { "Channel type", "ppi.80211-mac-phy.ext-chan.type",
1198 FT_UINT16, BASE_HEX, VALS(vs_80211_common_phy_type), 0x0, "PPI 802.11n MAC+PHY Channel Type", HFILL } },
1199 { &hf_80211n_mac_phy_ext_chan_flags_turbo,
1200 { "Turbo", "ppi.80211-mac-phy.ext-chan.type.turbo",
1201 FT_BOOLEAN, 16, NULL, 0x0010, "PPI 802.11n MAC+PHY Channel Type Turbo", HFILL } },
1202 { &hhf_80211n_mac_phy_ext_chan_flags_cck,
1203 { "Complementary Code Keying (CCK)", "ppi.80211-mac-phy.ext-chan.type.cck",
1204 FT_BOOLEAN, 16, NULL, 0x0020, "PPI 802.11n MAC+PHY Channel Type Complementary Code Keying (CCK) Modulation", HFILL } },
1205 { &hf_80211n_mac_phy_ext_chan_flags_ofdm,
1206 { "Orthogonal Frequency-Division Multiplexing (OFDM)", "ppi.80211-mac-phy.ext-chan.type.ofdm",
1207 FT_BOOLEAN, 16, NULL, 0x0040, "PPI 802.11n MAC+PHY Channel Type Orthogonal Frequency-Division Multiplexing (OFDM)", HFILL } },
1208 { &hhf_80211n_mac_phy_ext_chan_flags_2ghz,
1209 { "2 GHz spectrum", "ppi.80211-mac-phy.ext-chan.type.2ghz",
1210 FT_BOOLEAN, 16, NULL, 0x0080, "PPI 802.11n MAC+PHY Channel Type 2 GHz spectrum", HFILL } },
1211 { &hf_80211n_mac_phy_ext_chan_flags_5ghz,
1212 { "5 GHz spectrum", "ppi.80211-mac-phy.ext-chan.type.5ghz",
1213 FT_BOOLEAN, 16, NULL, 0x0100, "PPI 802.11n MAC+PHY Channel Type 5 GHz spectrum", HFILL } },
1214 { &hf_80211n_mac_phy_ext_chan_flags_passive,
1215 { "Passive", "ppi.80211-mac-phy.ext-chan.type.passive",
1216 FT_BOOLEAN, 16, NULL, 0x0200, "PPI 802.11n MAC+PHY Channel Type Passive", HFILL } },
1217 { &hf_80211n_mac_phy_ext_chan_flags_dynamic,
1218 { "Dynamic CCK-OFDM", "ppi.80211-mac-phy.ext-chan.type.dynamic",
1219 FT_BOOLEAN, 16, NULL, 0x0400, "PPI 802.11n MAC+PHY Channel Type Dynamic CCK-OFDM Channel", HFILL } },
1220 { &hf_80211n_mac_phy_ext_chan_flags_gfsk,
1221 { "Gaussian Frequency Shift Keying (GFSK)", "ppi.80211-mac-phy.ext-chan.type.gfsk",
1222 FT_BOOLEAN, 16, NULL, 0x0800, "PPI 802.11n MAC+PHY Channel Type Gaussian Frequency Shift Keying (GFSK) Modulation", HFILL } },
1223 { &hf_80211n_mac_phy_dbm_ant0signal,
1224 { "dBm antenna 0 signal", "ppi.80211n-mac-phy.dbmant0.signal",
1225 FT_INT8, BASE_DEC, NULL, 0x0, "PPI 802.11n MAC+PHY dBm Antenna 0 Signal", HFILL } },
1226 { &hf_80211n_mac_phy_dbm_ant0noise,
1227 { "dBm antenna 0 noise", "ppi.80211n-mac-phy.dbmant0.noise",
1228 FT_INT8, BASE_DEC, NULL, 0x0, "PPI 802.11n MAC+PHY dBm Antenna 0 Noise", HFILL } },
1229 { &hf_80211n_mac_phy_dbm_ant1signal,
1230 { "dBm antenna 1 signal", "ppi.80211n-mac-phy.dbmant1.signal",
1231 FT_INT8, BASE_DEC, NULL, 0x0, "PPI 802.11n MAC+PHY dBm Antenna 1 Signal", HFILL } },
1232 { &hf_80211n_mac_phy_dbm_ant1noise,
1233 { "dBm antenna 1 noise", "ppi.80211n-mac-phy.dbmant1.noise",
1234 FT_INT8, BASE_DEC, NULL, 0x0, "PPI 802.11n MAC+PHY dBm Antenna 1 Noise", HFILL } },
1235 { &hf_80211n_mac_phy_dbm_ant2signal,
1236 { "dBm antenna 2 signal", "ppi.80211n-mac-phy.dbmant2.signal",
1237 FT_INT8, BASE_DEC, NULL, 0x0, "PPI 802.11n MAC+PHY dBm Antenna 2 Signal", HFILL } },
1238 { &hf_80211n_mac_phy_dbm_ant2noise,
1239 { "dBm antenna 2 noise", "ppi.80211n-mac-phy.dbmant2.noise",
1240 FT_INT8, BASE_DEC, NULL, 0x0, "PPI 802.11n MAC+PHY dBm Antenna 2 Noise", HFILL } },
1241 { &hf_80211n_mac_phy_dbm_ant3signal,
1242 { "dBm antenna 3 signal", "ppi.80211n-mac-phy.dbmant3.signal",
1243 FT_INT8, BASE_DEC, NULL, 0x0, "PPI 802.11n MAC+PHY dBm Antenna 3 Signal", HFILL } },
1244 { &hf_80211n_mac_phy_dbm_ant3noise,
1245 { "dBm antenna 3 noise", "ppi.80211n-mac-phy.dbmant3.noise",
1246 FT_INT8, BASE_DEC, NULL, 0x0, "PPI 802.11n MAC+PHY dBm Antenna 3 Noise", HFILL } },
1247 { &hf_80211n_mac_phy_evm0,
1248 { "EVM-0", "ppi.80211n-mac-phy.evm0",
1249 FT_UINT32, BASE_DEC, NULL, 0x0, "PPI 802.11n MAC+PHY Error Vector Magnitude (EVM) for chain 0", HFILL } },
1250 { &hf_80211n_mac_phy_evm1,
1251 { "EVM-1", "ppi.80211n-mac-phy.evm1",
1252 FT_UINT32, BASE_DEC, NULL, 0x0, "PPI 802.11n MAC+PHY Error Vector Magnitude (EVM) for chain 1", HFILL } },
1253 { &hf_80211n_mac_phy_evm2,
1254 { "EVM-2", "ppi.80211n-mac-phy.evm2",
1255 FT_UINT32, BASE_DEC, NULL, 0x0, "PPI 802.11n MAC+PHY Error Vector Magnitude (EVM) for chain 2", HFILL } },
1256 { &hf_80211n_mac_phy_evm3,
1257 { "EVM-3", "ppi.80211n-mac-phy.evm3",
1258 FT_UINT32, BASE_DEC, NULL, 0x0, "PPI 802.11n MAC+PHY Error Vector Magnitude (EVM) for chain 3", HFILL } },
1260 { &hf_ampdu_segment,
1261 { "A-MPDU", "ppi.80211n-mac.ampdu",
1262 FT_FRAMENUM, BASE_NONE, NULL, 0x0, "802.11n Aggregated MAC Protocol Data Unit (A-MPDU)", HFILL }},
1264 { &hf_ampdu_segments,
1265 { "Reassembled A-MPDU", "ppi.80211n-mac.ampdu.reassembled",
1266 FT_NONE, BASE_NONE, NULL, 0x0, "Reassembled Aggregated MAC Protocol Data Unit (A-MPDU)", HFILL }},
1268 { &hf_ampdu_reassembled_in,
1269 { "Reassembled A-MPDU in frame", "ppi.80211n-mac.ampdu.reassembled_in",
1270 FT_FRAMENUM, BASE_NONE, NULL, 0x0,
1271 "The A-MPDU that doesn't end in this segment is reassembled in this frame",
1274 { "MPDU count", "ppi.80211n-mac.ampdu.count",
1275 FT_UINT16, BASE_DEC, NULL, 0x0, "The number of aggregated MAC Protocol Data Units (MPDUs)", HFILL }},
1278 { "Radio spectrum map", "ppi.spectrum-map",
1279 FT_BYTES, BASE_NONE, NULL, 0x0, "PPI Radio spectrum map", HFILL } },
1281 { "Process information", "ppi.proc-info",
1282 FT_BYTES, BASE_NONE, NULL, 0x0, "PPI Process information", HFILL } },
1284 { "Capture information", "ppi.cap-info",
1285 FT_BYTES, BASE_NONE, NULL, 0x0, "PPI Capture information", HFILL } },
1287 /* Aggregtion Extension */
1288 { &hf_aggregation_extension_interface_id,
1289 { "Interface ID", "ppi.aggregation_extension.interface_id",
1290 FT_UINT32, BASE_DEC, NULL, 0x0, "Zero-based index of the physical interface the packet was captured from", HFILL } },
1292 /* 802.3 Extension */
1293 { &hf_8023_extension_flags,
1294 { "Flags", "ppi.8023_extension.flags",
1295 FT_UINT32, BASE_HEX, NULL, 0x0, "PPI 802.3 Extension Flags", HFILL } },
1296 { &hf_8023_extension_flags_fcs_present,
1297 { "FCS Present Flag", "ppi.8023_extension.flags.fcs_present",
1298 FT_BOOLEAN, 32, TFS(&tfs_true_false), 0x0001, "FCS (4 bytes) is present at the end of the packet", HFILL } },
1299 { &hf_8023_extension_errors,
1300 { "Errors", "ppi.8023_extension.errors",
1301 FT_UINT32, BASE_HEX, NULL, 0x0, "PPI 802.3 Extension Errors", HFILL } },
1302 { &hf_8023_extension_errors_fcs,
1303 { "FCS Error", "ppi.8023_extension.errors.fcs",
1304 FT_BOOLEAN, 32, TFS(&tfs_true_false), 0x0001,
1305 "PPI 802.3 Extension FCS Error", HFILL } },
1306 { &hf_8023_extension_errors_sequence,
1307 { "Sequence Error", "ppi.8023_extension.errors.sequence",
1308 FT_BOOLEAN, 32, TFS(&tfs_true_false), 0x0002,
1309 "PPI 802.3 Extension Sequence Error", HFILL } },
1310 { &hf_8023_extension_errors_symbol,
1311 { "Symbol Error", "ppi.8023_extension.errors.symbol",
1312 FT_BOOLEAN, 32, TFS(&tfs_true_false), 0x0004,
1313 "PPI 802.3 Extension Symbol Error", HFILL } },
1314 { &hf_8023_extension_errors_data,
1315 { "Data Error", "ppi.8023_extension.errors.data",
1316 FT_BOOLEAN, 32, TFS(&tfs_true_false), 0x0008,
1317 "PPI 802.3 Extension Data Error", HFILL } },
1321 static gint *ett[] = {
1325 &ett_dot11_common_flags,
1326 &ett_dot11_common_channel_flags,
1328 &ett_dot11n_mac_flags,
1329 &ett_dot11n_mac_phy,
1330 &ett_dot11n_mac_phy_ext_channel_flags,
1331 &ett_ampdu_segments,
1334 &ett_aggregation_extension,
1335 &ett_8023_extension,
1336 &ett_8023_extension_flags,
1337 &ett_8023_extension_errors
1340 module_t *ppi_module;
1342 proto_ppi = proto_register_protocol("PPI Packet Header", "PPI", "ppi");
1343 proto_register_field_array(proto_ppi, hf, array_length(hf));
1344 proto_register_subtree_array(ett, array_length(ett));
1345 register_dissector("ppi", dissect_ppi, proto_ppi);
1347 register_init_routine(ampdu_reassemble_init);
1349 /* Configuration options */
1350 ppi_module = prefs_register_protocol(proto_ppi, NULL);
1351 prefs_register_bool_preference(ppi_module, "reassemble",
1352 "Reassemble fragmented 802.11 A-MPDUs",
1353 "Whether fragmented 802.11 aggregated MPDUs should be reassembled",
1354 &ppi_ampdu_reassemble);
1358 proto_reg_handoff_ppi(void)
1360 dissector_handle_t ppi_handle;
1362 ppi_handle = create_dissector_handle(dissect_ppi, proto_ppi);
1363 data_handle = find_dissector("data");
1364 ieee80211_ht_handle = find_dissector("wlan_ht");
1365 ppi_gps_handle = find_dissector("ppi_gps");
1366 ppi_vector_handle = find_dissector("ppi_vector");
1367 ppi_sensor_handle = find_dissector("ppi_sensor");
1368 ppi_antenna_handle = find_dissector("ppi_antenna");
1370 dissector_add_uint("wtap_encap", WTAP_ENCAP_PPI, ppi_handle);
1379 * indent-tabs-mode: nil
1382 * ex: set shiftwidth=4 tabstop=8 expandtab:
1383 * :indentSize=4:tabSize=8:noTabs=true: