3 #include <netlink/genl/genl.h>
4 #include <netlink/genl/family.h>
5 #include <netlink/genl/ctrl.h>
6 #include <netlink/msg.h>
7 #include <netlink/attr.h>
12 static void print_flag(const char *name
, int *open
)
22 static char *cipher_name(__u32 c
)
28 return "WEP40 (00-0f-ac:1)";
30 return "WEP104 (00-0f-ac:5)";
32 return "TKIP (00-0f-ac:2)";
34 return "CCMP-128 (00-0f-ac:4)";
36 return "CMAC (00-0f-ac:6)";
38 return "GCMP-128 (00-0f-ac:8)";
40 return "GCMP-256 (00-0f-ac:9)";
42 return "CCMP-256 (00-0f-ac:10)";
44 return "GMAC-128 (00-0f-ac:11)";
46 return "GMAC-256 (00-0f-ac:12)";
48 return "CMAC-256 (00-0f-ac:13)";
50 return "WPI-SMS4 (00-14-72:1)";
52 sprintf(buf
, "%.2x-%.2x-%.2x:%d",
53 c
>> 24, (c
>> 16) & 0xff,
54 (c
>> 8) & 0xff, c
& 0xff);
60 static int ext_feature_isset(const unsigned char *ext_features
, int ext_features_len
,
61 enum nl80211_ext_feature_index ftidx
)
63 unsigned char ft_byte
;
65 if ((int) ftidx
/ 8 >= ext_features_len
)
68 ft_byte
= ext_features
[ftidx
/ 8];
69 return (ft_byte
& BIT(ftidx
% 8)) != 0;
72 static void ext_feat_print(enum nl80211_ext_feature_index idx
)
74 #define ext_feat_case(name, desc) \
75 case NL80211_EXT_FEATURE_##name: \
76 printf("\t\t* [ %s ]: %s\n", #name, desc); \
80 case NUM_NL80211_EXT_FEATURES
: /* cannot happen */ break;
81 ext_feat_case(VHT_IBSS
, "VHT-IBSS");
82 ext_feat_case(RRM
, "RRM");
83 ext_feat_case(MU_MIMO_AIR_SNIFFER
, "MU-MIMO sniffer");
84 ext_feat_case(SCAN_START_TIME
, "scan start timestamp");
85 ext_feat_case(BSS_PARENT_TSF
,
86 "BSS last beacon/probe TSF");
87 ext_feat_case(SET_SCAN_DWELL
, "scan dwell setting");
88 ext_feat_case(BEACON_RATE_LEGACY
,
89 "legacy beacon rate setting");
90 ext_feat_case(BEACON_RATE_HT
, "HT beacon rate setting");
91 ext_feat_case(BEACON_RATE_VHT
, "VHT beacon rate setting");
92 ext_feat_case(FILS_STA
,
93 "STA FILS (Fast Initial Link Setup)");
94 ext_feat_case(MGMT_TX_RANDOM_TA
,
95 "randomized TA while not associated");
96 ext_feat_case(MGMT_TX_RANDOM_TA_CONNECTED
,
97 "randomized TA while associated");
98 ext_feat_case(SCHED_SCAN_RELATIVE_RSSI
,
99 "sched_scan for BSS with better RSSI report");
100 ext_feat_case(CQM_RSSI_LIST
,
101 "multiple CQM_RSSI_THOLD records");
102 ext_feat_case(FILS_SK_OFFLOAD
,
103 "FILS shared key authentication offload");
104 ext_feat_case(4WAY_HANDSHAKE_STA_PSK
,
105 "4-way handshake with PSK in station mode");
106 ext_feat_case(4WAY_HANDSHAKE_STA_1X
,
107 "4-way handshake with 802.1X in station mode");
108 ext_feat_case(FILS_MAX_CHANNEL_TIME
,
109 "FILS max channel attribute override with dwell time");
110 ext_feat_case(ACCEPT_BCAST_PROBE_RESP
,
111 "accepts broadcast probe response");
112 ext_feat_case(OCE_PROBE_REQ_HIGH_TX_RATE
,
113 "probe request TX at high rate (at least 5.5Mbps)");
114 ext_feat_case(OCE_PROBE_REQ_DEFERRAL_SUPPRESSION
,
115 "probe request tx deferral and suppression");
116 ext_feat_case(MFP_OPTIONAL
,
117 "MFP_OPTIONAL value in ATTR_USE_MFP");
118 ext_feat_case(LOW_SPAN_SCAN
, "low span scan");
119 ext_feat_case(LOW_POWER_SCAN
, "low power scan");
120 ext_feat_case(HIGH_ACCURACY_SCAN
, "high accuracy scan");
121 ext_feat_case(DFS_OFFLOAD
, "DFS offload");
122 ext_feat_case(CONTROL_PORT_OVER_NL80211
,
123 "control port over nl80211");
124 ext_feat_case(ACK_SIGNAL_SUPPORT
,
125 "ack signal level support");
126 ext_feat_case(TXQS
, "FQ-CoDel-enabled intermediate TXQs");
127 ext_feat_case(SCAN_RANDOM_SN
,
128 "use random sequence numbers in scans");
129 ext_feat_case(SCAN_MIN_PREQ_CONTENT
,
130 "use probe request with only rate IEs in scans");
131 ext_feat_case(CAN_REPLACE_PTK0
,
132 "can safely replace PTK 0 when rekeying");
133 ext_feat_case(ENABLE_FTM_RESPONDER
,
134 "enable FTM (Fine Time Measurement) responder");
135 ext_feat_case(AIRTIME_FAIRNESS
,
136 "airtime fairness scheduling");
137 ext_feat_case(AP_PMKSA_CACHING
,
138 "PMKSA caching supported in AP mode");
139 ext_feat_case(SCHED_SCAN_BAND_SPECIFIC_RSSI_THOLD
,
140 "band specific RSSI thresholds for scheduled scan");
141 ext_feat_case(EXT_KEY_ID
, "Extended Key ID support");
142 ext_feat_case(STA_TX_PWR
, "TX power control per station");
143 ext_feat_case(SAE_OFFLOAD
, "SAE offload support");
144 ext_feat_case(VLAN_OFFLOAD
, "VLAN offload support");
146 "Airtime Queue Limits (AQL)");
147 ext_feat_case(BEACON_PROTECTION
, "beacon protection support");
148 ext_feat_case(CONTROL_PORT_NO_PREAUTH
, "disable pre-auth over nl80211 control port support");
149 ext_feat_case(PROTECTED_TWT
, "protected Target Wake Time (TWT) support");
150 ext_feat_case(DEL_IBSS_STA
, "deletion of IBSS station support");
151 ext_feat_case(MULTICAST_REGISTRATIONS
, "mgmt frame registration for multicast");
152 ext_feat_case(BEACON_PROTECTION_CLIENT
, "beacon prot. for clients support");
153 ext_feat_case(SCAN_FREQ_KHZ
, "scan on kHz frequency support");
154 ext_feat_case(CONTROL_PORT_OVER_NL80211_TX_STATUS
, "tx status for nl80211 control port support");
155 ext_feat_case(OPERATING_CHANNEL_VALIDATION
, "Operating Channel Validation (OCV) support");
156 ext_feat_case(4WAY_HANDSHAKE_AP_PSK
, "AP mode PSK offload support");
157 ext_feat_case(SAE_OFFLOAD_AP
, "AP mode SAE authentication offload support");
158 ext_feat_case(FILS_DISCOVERY
, "FILS discovery frame transmission support");
159 ext_feat_case(UNSOL_BCAST_PROBE_RESP
,
160 "unsolicated broadcast probe response transmission support");
161 ext_feat_case(BEACON_RATE_HE
, "HE beacon rate support (AP/mesh)");
162 ext_feat_case(SECURE_LTF
, "secure LTF measurement protocol support");
163 ext_feat_case(SECURE_RTT
, "secure RTT measurement protocol support");
164 ext_feat_case(PROT_RANGE_NEGO_AND_MEASURE
,
165 "support for MFP in range measurement negotiation/procedure");
166 ext_feat_case(BSS_COLOR
, "BSS coloring support");
167 ext_feat_case(FILS_CRYPTO_OFFLOAD
, "FILS crypto offload");
168 ext_feat_case(RADAR_BACKGROUND
, "Radar background support");
169 ext_feat_case(POWERED_ADDR_CHANGE
, "can change MAC address while up");
170 ext_feat_case(PUNCT
, "preamble puncturing in AP mode");
171 ext_feat_case(SECURE_NAN
, "secure NAN support");
172 ext_feat_case(AUTH_AND_DEAUTH_RANDOM_TA
, "random auth/deauth transmitter address");
173 ext_feat_case(OWE_OFFLOAD
, "OWE DH element handling offload (client)");
174 ext_feat_case(OWE_OFFLOAD_AP
, "OWE DH element handling offload (AP)");
175 ext_feat_case(DFS_CONCURRENT
, "DFS channel use under concurrent DFS master");
179 static void __print_ftm_capability(struct nlattr
*ftm_capa
)
181 #define PRINT_FTM_FLAG(T, NAME) \
183 if (T[NL80211_PMSR_FTM_CAPA_ATTR_##NAME]) \
184 printf("\t\t\t" #NAME "\n"); \
187 #define PRINT_FTM_U8(T, NAME) \
189 if (T[NL80211_PMSR_FTM_CAPA_ATTR_##NAME]) \
190 printf("\t\t\t" #NAME ": %d\n", \
191 nla_get_u8(T[NL80211_PMSR_FTM_CAPA_ATTR_##NAME])); \
194 struct nlattr
*tb
[NL80211_PMSR_FTM_CAPA_ATTR_MAX
+ 1];
197 printf("\t\tFTM (Fine time measurement or Flight time measurement)\n");
199 ret
= nla_parse_nested(tb
, NL80211_PMSR_FTM_CAPA_ATTR_MAX
, ftm_capa
,
204 if (tb
[NL80211_PMSR_FTM_CAPA_ATTR_PREAMBLES
]) {
205 #define PRINT_PREAMBLE(P, V) \
207 if (P & BIT(NL80211_PREAMBLE_##V)) \
212 nla_get_u32(tb
[NL80211_PMSR_FTM_CAPA_ATTR_PREAMBLES
]);
213 printf("\t\t\tPreambles:");
215 PRINT_PREAMBLE(preambles
, LEGACY
);
216 PRINT_PREAMBLE(preambles
, HT
);
217 PRINT_PREAMBLE(preambles
, VHT
);
218 PRINT_PREAMBLE(preambles
, DMG
);
220 #undef PRINT_PREAMBLE
222 if (tb
[NL80211_PMSR_FTM_CAPA_ATTR_BANDWIDTHS
]) {
223 #define PRINT_BANDWIDTH(B, V) \
225 if (B & BIT(NL80211_CHAN_WIDTH_##V)) \
230 nla_get_u32(tb
[NL80211_PMSR_FTM_CAPA_ATTR_BANDWIDTHS
]);
231 printf("\t\t\tBandwidth:");
232 PRINT_BANDWIDTH(bandwidth
, 20_NOHT
);
233 PRINT_BANDWIDTH(bandwidth
, 20);
234 PRINT_BANDWIDTH(bandwidth
, 40);
235 PRINT_BANDWIDTH(bandwidth
, 80);
236 PRINT_BANDWIDTH(bandwidth
, 80P80
);
237 PRINT_BANDWIDTH(bandwidth
, 160);
238 PRINT_BANDWIDTH(bandwidth
, 5);
239 PRINT_BANDWIDTH(bandwidth
, 10);
240 PRINT_BANDWIDTH(bandwidth
, 1);
241 PRINT_BANDWIDTH(bandwidth
, 2);
242 PRINT_BANDWIDTH(bandwidth
, 4);
243 PRINT_BANDWIDTH(bandwidth
, 8);
244 PRINT_BANDWIDTH(bandwidth
, 16);
245 PRINT_BANDWIDTH(bandwidth
, 320);
247 #undef PRINT_BANDWIDTH
249 PRINT_FTM_U8(tb
, MAX_BURSTS_EXPONENT
);
250 PRINT_FTM_U8(tb
, MAX_FTMS_PER_BURST
);
251 PRINT_FTM_FLAG(tb
, ASAP
);
252 PRINT_FTM_FLAG(tb
, NON_ASAP
);
253 PRINT_FTM_FLAG(tb
, REQ_LCI
);
254 PRINT_FTM_FLAG(tb
, REQ_CIVICLOC
);
255 PRINT_FTM_FLAG(tb
, TRIGGER_BASED
);
256 PRINT_FTM_FLAG(tb
, NON_TRIGGER_BASED
);
259 #undef PRINT_FTM_FLAG
262 static void print_pmsr_capabilities(struct nlattr
*pmsr_capa
)
264 struct nlattr
*tb
[NL80211_PMSR_ATTR_MAX
+ 1];
269 printf("\tPeer measurement (PMSR)\n");
270 ret
= nla_parse_nested(tb
, NL80211_PMSR_ATTR_MAX
, pmsr_capa
, NULL
);
272 printf("\t\tMalformed PMSR\n");
276 if (tb
[NL80211_PMSR_ATTR_MAX_PEERS
])
277 printf("\t\tMax peers: %d\n",
278 nla_get_u32(tb
[NL80211_PMSR_ATTR_MAX_PEERS
]));
279 if (tb
[NL80211_PMSR_ATTR_REPORT_AP_TSF
])
280 printf("\t\tREPORT_AP_TSF\n");
281 if (tb
[NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR
])
282 printf("\t\tRANDOMIZE_MAC_ADDR\n");
284 if (tb
[NL80211_PMSR_ATTR_TYPE_CAPA
]) {
285 nla_for_each_nested(nla
, tb
[NL80211_PMSR_ATTR_TYPE_CAPA
], size
) {
286 switch (nla_type(nla
)) {
287 case NL80211_PMSR_TYPE_FTM
:
288 __print_ftm_capability(nla
);
293 printf("\t\tPMSR type is missing\n");
297 static int print_phy_handler(struct nl_msg
*msg
, void *arg
)
299 struct nlattr
*tb_msg
[NL80211_ATTR_MAX
+ 1];
300 struct genlmsghdr
*gnlh
= nlmsg_data(nlmsg_hdr(msg
));
302 struct nlattr
*tb_band
[NL80211_BAND_ATTR_MAX
+ 1];
304 struct nlattr
*tb_freq
[NL80211_FREQUENCY_ATTR_MAX
+ 1];
305 static struct nla_policy freq_policy
[NL80211_FREQUENCY_ATTR_MAX
+ 1] = {
306 [NL80211_FREQUENCY_ATTR_FREQ
] = { .type
= NLA_U32
},
307 [NL80211_FREQUENCY_ATTR_OFFSET
] = { .type
= NLA_U32
},
308 [NL80211_FREQUENCY_ATTR_DISABLED
] = { .type
= NLA_FLAG
},
309 [NL80211_FREQUENCY_ATTR_NO_IR
] = { .type
= NLA_FLAG
},
310 [__NL80211_FREQUENCY_ATTR_NO_IBSS
] = { .type
= NLA_FLAG
},
311 [NL80211_FREQUENCY_ATTR_RADAR
] = { .type
= NLA_FLAG
},
312 [NL80211_FREQUENCY_ATTR_MAX_TX_POWER
] = { .type
= NLA_U32
},
315 struct nlattr
*tb_rate
[NL80211_BITRATE_ATTR_MAX
+ 1];
316 static struct nla_policy rate_policy
[NL80211_BITRATE_ATTR_MAX
+ 1] = {
317 [NL80211_BITRATE_ATTR_RATE
] = { .type
= NLA_U32
},
318 [NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE
] = { .type
= NLA_FLAG
},
321 struct nlattr
*nl_band
;
322 struct nlattr
*nl_freq
;
323 struct nlattr
*nl_rate
;
324 struct nlattr
*nl_cmd
;
325 struct nlattr
*nl_if
, *nl_ftype
;
326 int rem_band
, rem_freq
, rem_rate
, rem_cmd
, rem_ftype
, rem_if
;
329 * static variables only work here, other applications need to use the
330 * callback pointer and store them there so they can be multithreaded
331 * and/or have multiple netlink sockets, etc.
333 static int64_t phy_id
= -1;
334 static int last_band
= -1;
335 static bool band_had_freq
= false;
336 bool print_name
= true;
338 nla_parse(tb_msg
, NL80211_ATTR_MAX
, genlmsg_attrdata(gnlh
, 0),
339 genlmsg_attrlen(gnlh
, 0), NULL
);
341 if (tb_msg
[NL80211_ATTR_WIPHY
]) {
342 if (nla_get_u32(tb_msg
[NL80211_ATTR_WIPHY
]) == phy_id
)
346 phy_id
= nla_get_u32(tb_msg
[NL80211_ATTR_WIPHY
]);
348 if (print_name
&& tb_msg
[NL80211_ATTR_WIPHY_NAME
])
349 printf("Wiphy %s\n", nla_get_string(tb_msg
[NL80211_ATTR_WIPHY_NAME
]));
351 if (print_name
&& tb_msg
[NL80211_ATTR_WIPHY
])
352 printf("\twiphy index: %u\n", nla_get_u32(tb_msg
[NL80211_ATTR_WIPHY
]));
354 /* needed for split dump */
355 if (tb_msg
[NL80211_ATTR_WIPHY_BANDS
]) {
356 nla_for_each_nested(nl_band
, tb_msg
[NL80211_ATTR_WIPHY_BANDS
], rem_band
) {
357 if (last_band
!= nl_band
->nla_type
) {
358 printf("\tBand %d:\n", nl_band
->nla_type
+ 1);
359 band_had_freq
= false;
361 last_band
= nl_band
->nla_type
;
363 nla_parse(tb_band
, NL80211_BAND_ATTR_MAX
, nla_data(nl_band
),
364 nla_len(nl_band
), NULL
);
366 if (tb_band
[NL80211_BAND_ATTR_HT_CAPA
]) {
367 __u16 cap
= nla_get_u16(tb_band
[NL80211_BAND_ATTR_HT_CAPA
]);
368 print_ht_capability(cap
);
370 if (tb_band
[NL80211_BAND_ATTR_HT_AMPDU_FACTOR
]) {
371 __u8 exponent
= nla_get_u8(tb_band
[NL80211_BAND_ATTR_HT_AMPDU_FACTOR
]);
372 print_ampdu_length(exponent
);
374 if (tb_band
[NL80211_BAND_ATTR_HT_AMPDU_DENSITY
]) {
375 __u8 spacing
= nla_get_u8(tb_band
[NL80211_BAND_ATTR_HT_AMPDU_DENSITY
]);
376 print_ampdu_spacing(spacing
);
378 if (tb_band
[NL80211_BAND_ATTR_HT_MCS_SET
] &&
379 nla_len(tb_band
[NL80211_BAND_ATTR_HT_MCS_SET
]) == 16)
380 print_ht_mcs(nla_data(tb_band
[NL80211_BAND_ATTR_HT_MCS_SET
]));
381 if (tb_band
[NL80211_BAND_ATTR_VHT_CAPA
] &&
382 tb_band
[NL80211_BAND_ATTR_VHT_MCS_SET
])
383 print_vht_info(nla_get_u32(tb_band
[NL80211_BAND_ATTR_VHT_CAPA
]),
384 nla_data(tb_band
[NL80211_BAND_ATTR_VHT_MCS_SET
]));
385 if (tb_band
[NL80211_BAND_ATTR_IFTYPE_DATA
]) {
386 struct nlattr
*nl_iftype
;
389 nla_for_each_nested(nl_iftype
,
390 tb_band
[NL80211_BAND_ATTR_IFTYPE_DATA
],
392 print_he_info(nl_iftype
);
393 print_eht_info(nl_iftype
, last_band
);
396 if (tb_band
[NL80211_BAND_ATTR_FREQS
]) {
397 if (!band_had_freq
) {
398 printf("\t\tFrequencies:\n");
399 band_had_freq
= true;
401 nla_for_each_nested(nl_freq
, tb_band
[NL80211_BAND_ATTR_FREQS
], rem_freq
) {
404 nla_parse(tb_freq
, NL80211_FREQUENCY_ATTR_MAX
, nla_data(nl_freq
),
405 nla_len(nl_freq
), freq_policy
);
406 if (!tb_freq
[NL80211_FREQUENCY_ATTR_FREQ
])
408 freq
= nla_get_u32(tb_freq
[NL80211_FREQUENCY_ATTR_FREQ
]);
409 if (tb_freq
[NL80211_FREQUENCY_ATTR_OFFSET
]) {
410 uint32_t offset
= nla_get_u32(
411 tb_freq
[NL80211_FREQUENCY_ATTR_OFFSET
]);
412 printf("\t\t\t* %d.%d MHz", freq
, offset
);
414 printf("\t\t\t* %d MHz", freq
);
417 if (ieee80211_frequency_to_channel(freq
))
418 printf(" [%d]", ieee80211_frequency_to_channel(freq
));
420 if (tb_freq
[NL80211_FREQUENCY_ATTR_MAX_TX_POWER
] &&
421 !tb_freq
[NL80211_FREQUENCY_ATTR_DISABLED
])
422 printf(" (%.1f dBm)", 0.01 * nla_get_u32(tb_freq
[NL80211_FREQUENCY_ATTR_MAX_TX_POWER
]));
425 if (tb_freq
[NL80211_FREQUENCY_ATTR_DISABLED
]) {
426 print_flag("disabled", &open
);
430 /* If both flags are set assume an new kernel */
431 if (tb_freq
[NL80211_FREQUENCY_ATTR_NO_IR
] && tb_freq
[__NL80211_FREQUENCY_ATTR_NO_IBSS
]) {
432 print_flag("no IR", &open
);
433 } else if (tb_freq
[NL80211_FREQUENCY_ATTR_PASSIVE_SCAN
]) {
434 print_flag("passive scan", &open
);
435 } else if (tb_freq
[__NL80211_FREQUENCY_ATTR_NO_IBSS
]){
436 print_flag("no ibss", &open
);
439 if (tb_freq
[NL80211_FREQUENCY_ATTR_RADAR
])
440 print_flag("radar detection", &open
);
448 if (tb_band
[NL80211_BAND_ATTR_RATES
]) {
449 printf("\t\tBitrates (non-HT):\n");
450 nla_for_each_nested(nl_rate
, tb_band
[NL80211_BAND_ATTR_RATES
], rem_rate
) {
451 nla_parse(tb_rate
, NL80211_BITRATE_ATTR_MAX
, nla_data(nl_rate
),
452 nla_len(nl_rate
), rate_policy
);
453 if (!tb_rate
[NL80211_BITRATE_ATTR_RATE
])
455 printf("\t\t\t* %2.1f Mbps", 0.1 * nla_get_u32(tb_rate
[NL80211_BITRATE_ATTR_RATE
]));
457 if (tb_rate
[NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE
])
458 print_flag("short preamble supported", &open
);
467 if (tb_msg
[NL80211_ATTR_MAX_NUM_SCAN_SSIDS
])
468 printf("\tmax # scan SSIDs: %d\n",
469 nla_get_u8(tb_msg
[NL80211_ATTR_MAX_NUM_SCAN_SSIDS
]));
470 if (tb_msg
[NL80211_ATTR_MAX_SCAN_IE_LEN
])
471 printf("\tmax scan IEs length: %d bytes\n",
472 nla_get_u16(tb_msg
[NL80211_ATTR_MAX_SCAN_IE_LEN
]));
473 if (tb_msg
[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS
])
474 printf("\tmax # sched scan SSIDs: %d\n",
475 nla_get_u8(tb_msg
[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS
]));
476 if (tb_msg
[NL80211_ATTR_MAX_MATCH_SETS
])
477 printf("\tmax # match sets: %d\n",
478 nla_get_u8(tb_msg
[NL80211_ATTR_MAX_MATCH_SETS
]));
479 if (tb_msg
[NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS
])
480 printf("\tmax # scan plans: %d\n",
481 nla_get_u32(tb_msg
[NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS
]));
482 if (tb_msg
[NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL
])
483 printf("\tmax scan plan interval: %d\n",
484 nla_get_u32(tb_msg
[NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL
]));
485 if (tb_msg
[NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS
])
486 printf("\tmax scan plan iterations: %d\n",
487 nla_get_u32(tb_msg
[NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS
]));
489 if (tb_msg
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]) {
492 frag
= nla_get_u32(tb_msg
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]);
493 if (frag
!= (unsigned int)-1)
494 printf("\tFragmentation threshold: %d\n", frag
);
497 if (tb_msg
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]) {
500 rts
= nla_get_u32(tb_msg
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]);
501 if (rts
!= (unsigned int)-1)
502 printf("\tRTS threshold: %d\n", rts
);
505 if (tb_msg
[NL80211_ATTR_WIPHY_RETRY_SHORT
] ||
506 tb_msg
[NL80211_ATTR_WIPHY_RETRY_LONG
]) {
507 unsigned char retry_short
= 0, retry_long
= 0;
509 if (tb_msg
[NL80211_ATTR_WIPHY_RETRY_SHORT
])
510 retry_short
= nla_get_u8(tb_msg
[NL80211_ATTR_WIPHY_RETRY_SHORT
]);
511 if (tb_msg
[NL80211_ATTR_WIPHY_RETRY_LONG
])
512 retry_long
= nla_get_u8(tb_msg
[NL80211_ATTR_WIPHY_RETRY_LONG
]);
513 if (retry_short
== retry_long
) {
514 printf("\tRetry short long limit: %d\n", retry_short
);
516 printf("\tRetry short limit: %d\n", retry_short
);
517 printf("\tRetry long limit: %d\n", retry_long
);
521 if (tb_msg
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]) {
522 unsigned char coverage
;
524 coverage
= nla_get_u8(tb_msg
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]);
525 /* See handle_distance() for an explanation where the '450' comes from */
526 printf("\tCoverage class: %d (up to %dm)\n", coverage
, 450 * coverage
);
529 if (tb_msg
[NL80211_ATTR_CIPHER_SUITES
]) {
530 int num
= nla_len(tb_msg
[NL80211_ATTR_CIPHER_SUITES
]) / sizeof(__u32
);
532 __u32
*ciphers
= nla_data(tb_msg
[NL80211_ATTR_CIPHER_SUITES
]);
534 printf("\tSupported Ciphers:\n");
535 for (i
= 0; i
< num
; i
++)
537 cipher_name(ciphers
[i
]));
541 if (tb_msg
[NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX
] &&
542 tb_msg
[NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX
])
543 printf("\tAvailable Antennas: TX %#x RX %#x\n",
544 nla_get_u32(tb_msg
[NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX
]),
545 nla_get_u32(tb_msg
[NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX
]));
547 if (tb_msg
[NL80211_ATTR_WIPHY_ANTENNA_TX
] &&
548 tb_msg
[NL80211_ATTR_WIPHY_ANTENNA_RX
])
549 printf("\tConfigured Antennas: TX %#x RX %#x\n",
550 nla_get_u32(tb_msg
[NL80211_ATTR_WIPHY_ANTENNA_TX
]),
551 nla_get_u32(tb_msg
[NL80211_ATTR_WIPHY_ANTENNA_RX
]));
553 if (tb_msg
[NL80211_ATTR_SUPPORTED_IFTYPES
])
554 print_iftype_list("\tSupported interface modes", "\t\t",
555 tb_msg
[NL80211_ATTR_SUPPORTED_IFTYPES
]);
557 if (tb_msg
[NL80211_ATTR_SOFTWARE_IFTYPES
])
558 print_iftype_list("\tsoftware interface modes (can always be added)",
559 "\t\t", tb_msg
[NL80211_ATTR_SOFTWARE_IFTYPES
]);
561 if (tb_msg
[NL80211_ATTR_INTERFACE_COMBINATIONS
]) {
562 struct nlattr
*nl_combi
;
564 bool have_combinations
= false;
566 nla_for_each_nested(nl_combi
, tb_msg
[NL80211_ATTR_INTERFACE_COMBINATIONS
], rem_combi
) {
567 static struct nla_policy iface_combination_policy
[NUM_NL80211_IFACE_COMB
] = {
568 [NL80211_IFACE_COMB_LIMITS
] = { .type
= NLA_NESTED
},
569 [NL80211_IFACE_COMB_MAXNUM
] = { .type
= NLA_U32
},
570 [NL80211_IFACE_COMB_STA_AP_BI_MATCH
] = { .type
= NLA_FLAG
},
571 [NL80211_IFACE_COMB_NUM_CHANNELS
] = { .type
= NLA_U32
},
572 [NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS
] = { .type
= NLA_U32
},
574 struct nlattr
*tb_comb
[NUM_NL80211_IFACE_COMB
];
575 static struct nla_policy iface_limit_policy
[NUM_NL80211_IFACE_LIMIT
] = {
576 [NL80211_IFACE_LIMIT_TYPES
] = { .type
= NLA_NESTED
},
577 [NL80211_IFACE_LIMIT_MAX
] = { .type
= NLA_U32
},
579 struct nlattr
*tb_limit
[NUM_NL80211_IFACE_LIMIT
];
580 struct nlattr
*nl_limit
;
584 if (!have_combinations
) {
585 printf("\tvalid interface combinations:\n");
586 have_combinations
= true;
591 err
= nla_parse_nested(tb_comb
, MAX_NL80211_IFACE_COMB
,
592 nl_combi
, iface_combination_policy
);
593 if (err
|| !tb_comb
[NL80211_IFACE_COMB_LIMITS
] ||
594 !tb_comb
[NL80211_IFACE_COMB_MAXNUM
] ||
595 !tb_comb
[NL80211_IFACE_COMB_NUM_CHANNELS
]) {
596 printf(" <failed to parse>\n");
597 goto broken_combination
;
600 nla_for_each_nested(nl_limit
, tb_comb
[NL80211_IFACE_COMB_LIMITS
], rem_limit
) {
601 err
= nla_parse_nested(tb_limit
, MAX_NL80211_IFACE_LIMIT
,
602 nl_limit
, iface_limit_policy
);
603 if (err
|| !tb_limit
[NL80211_IFACE_LIMIT_TYPES
]) {
604 printf("<failed to parse>\n");
605 goto broken_combination
;
612 print_iftype_line(tb_limit
[NL80211_IFACE_LIMIT_TYPES
]);
613 printf(" } <= %u", nla_get_u32(tb_limit
[NL80211_IFACE_LIMIT_MAX
]));
617 printf("total <= %d, #channels <= %d%s",
618 nla_get_u32(tb_comb
[NL80211_IFACE_COMB_MAXNUM
]),
619 nla_get_u32(tb_comb
[NL80211_IFACE_COMB_NUM_CHANNELS
]),
620 tb_comb
[NL80211_IFACE_COMB_STA_AP_BI_MATCH
] ?
621 ", STA/AP BI must match" : "");
622 if (tb_comb
[NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS
]) {
623 unsigned long widths
= nla_get_u32(tb_comb
[NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS
]);
629 printf(", radar detect widths: {");
630 for (width
= 0; width
< 32; width
++)
631 if (widths
& (1 << width
)) {
634 channel_width_name(width
));
645 if (!have_combinations
)
646 printf("\tinterface combinations are not supported\n");
649 if (tb_msg
[NL80211_ATTR_SUPPORTED_COMMANDS
]) {
650 printf("\tSupported commands:\n");
651 nla_for_each_nested(nl_cmd
, tb_msg
[NL80211_ATTR_SUPPORTED_COMMANDS
], rem_cmd
)
652 printf("\t\t * %s\n", command_name(nla_get_u32(nl_cmd
)));
655 if (tb_msg
[NL80211_ATTR_TX_FRAME_TYPES
]) {
656 printf("\tSupported TX frame types:\n");
657 nla_for_each_nested(nl_if
, tb_msg
[NL80211_ATTR_TX_FRAME_TYPES
], rem_if
) {
658 bool printed
= false;
659 nla_for_each_nested(nl_ftype
, nl_if
, rem_ftype
) {
661 printf("\t\t * %s:", iftype_name(nla_type(nl_if
)));
663 printf(" 0x%.2x", nla_get_u16(nl_ftype
));
670 if (tb_msg
[NL80211_ATTR_RX_FRAME_TYPES
]) {
671 printf("\tSupported RX frame types:\n");
672 nla_for_each_nested(nl_if
, tb_msg
[NL80211_ATTR_RX_FRAME_TYPES
], rem_if
) {
673 bool printed
= false;
674 nla_for_each_nested(nl_ftype
, nl_if
, rem_ftype
) {
676 printf("\t\t * %s:", iftype_name(nla_type(nl_if
)));
678 printf(" 0x%.2x", nla_get_u16(nl_ftype
));
685 if (tb_msg
[NL80211_ATTR_SUPPORT_IBSS_RSN
])
686 printf("\tDevice supports RSN-IBSS.\n");
688 if (tb_msg
[NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED
]) {
689 struct nlattr
*tb_wowlan
[NUM_NL80211_WOWLAN_TRIG
];
690 static struct nla_policy wowlan_policy
[NUM_NL80211_WOWLAN_TRIG
] = {
691 [NL80211_WOWLAN_TRIG_ANY
] = { .type
= NLA_FLAG
},
692 [NL80211_WOWLAN_TRIG_DISCONNECT
] = { .type
= NLA_FLAG
},
693 [NL80211_WOWLAN_TRIG_MAGIC_PKT
] = { .type
= NLA_FLAG
},
694 [NL80211_WOWLAN_TRIG_PKT_PATTERN
] = { .minlen
= 12 },
695 [NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
] = { .type
= NLA_FLAG
},
696 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
] = { .type
= NLA_FLAG
},
697 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
] = { .type
= NLA_FLAG
},
698 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
] = { .type
= NLA_FLAG
},
699 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE
] = { .type
= NLA_FLAG
},
700 [NL80211_WOWLAN_TRIG_NET_DETECT
] = { .type
= NLA_U32
},
701 [NL80211_WOWLAN_TRIG_TCP_CONNECTION
] = { .type
= NLA_NESTED
},
703 struct nl80211_pattern_support
*pat
;
706 err
= nla_parse_nested(tb_wowlan
, MAX_NL80211_WOWLAN_TRIG
,
707 tb_msg
[NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED
],
709 printf("\tWoWLAN support:");
711 printf(" <failed to parse>\n");
714 if (tb_wowlan
[NL80211_WOWLAN_TRIG_ANY
])
715 printf("\t\t * wake up on anything (device continues operating normally)\n");
716 if (tb_wowlan
[NL80211_WOWLAN_TRIG_DISCONNECT
])
717 printf("\t\t * wake up on disconnect\n");
718 if (tb_wowlan
[NL80211_WOWLAN_TRIG_MAGIC_PKT
])
719 printf("\t\t * wake up on magic packet\n");
720 if (tb_wowlan
[NL80211_WOWLAN_TRIG_PKT_PATTERN
]) {
721 unsigned int len
= nla_len(tb_wowlan
[NL80211_WOWLAN_TRIG_PKT_PATTERN
]);
723 pat
= nla_data(tb_wowlan
[NL80211_WOWLAN_TRIG_PKT_PATTERN
]);
724 printf("\t\t * wake up on pattern match, up to %u patterns of %u-%u bytes,\n"
725 "\t\t maximum packet offset %u bytes\n",
726 pat
->max_patterns
, pat
->min_pattern_len
, pat
->max_pattern_len
,
727 len
< sizeof(*pat
) ? 0 : pat
->max_pkt_offset
);
729 if (tb_wowlan
[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
])
730 printf("\t\t * can do GTK rekeying\n");
731 if (tb_wowlan
[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
])
732 printf("\t\t * wake up on GTK rekey failure\n");
733 if (tb_wowlan
[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
])
734 printf("\t\t * wake up on EAP identity request\n");
735 if (tb_wowlan
[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
])
736 printf("\t\t * wake up on 4-way handshake\n");
737 if (tb_wowlan
[NL80211_WOWLAN_TRIG_RFKILL_RELEASE
])
738 printf("\t\t * wake up on rfkill release\n");
739 if (tb_wowlan
[NL80211_WOWLAN_TRIG_NET_DETECT
])
740 printf("\t\t * wake up on network detection, up to %d match sets\n",
741 nla_get_u32(tb_wowlan
[NL80211_WOWLAN_TRIG_NET_DETECT
]));
742 if (tb_wowlan
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
])
743 printf("\t\t * wake up on TCP connection\n");
747 if (tb_msg
[NL80211_ATTR_ROAM_SUPPORT
])
748 printf("\tDevice supports roaming.\n");
750 if (tb_msg
[NL80211_ATTR_SUPPORT_AP_UAPSD
])
751 printf("\tDevice supports AP-side u-APSD.\n");
753 if (tb_msg
[NL80211_ATTR_HT_CAPABILITY_MASK
]) {
754 struct ieee80211_ht_cap
*cm
;
755 unsigned int len
= nla_len(tb_msg
[NL80211_ATTR_HT_CAPABILITY_MASK
]);
757 printf("\tHT Capability overrides:\n");
758 if (len
>= sizeof(*cm
)) {
759 cm
= nla_data(tb_msg
[NL80211_ATTR_HT_CAPABILITY_MASK
]);
760 printf("\t\t * MCS: %02hhx %02hhx %02hhx %02hhx %02hhx %02hhx"
761 " %02hhx %02hhx %02hhx %02hhx\n",
762 cm
->mcs
.rx_mask
[0], cm
->mcs
.rx_mask
[1],
763 cm
->mcs
.rx_mask
[2], cm
->mcs
.rx_mask
[3],
764 cm
->mcs
.rx_mask
[4], cm
->mcs
.rx_mask
[5],
765 cm
->mcs
.rx_mask
[6], cm
->mcs
.rx_mask
[7],
766 cm
->mcs
.rx_mask
[8], cm
->mcs
.rx_mask
[9]);
767 if (cm
->cap_info
& htole16(IEEE80211_HT_CAP_MAX_AMSDU
))
768 printf("\t\t * maximum A-MSDU length\n");
769 if (cm
->cap_info
& htole16(IEEE80211_HT_CAP_SUP_WIDTH_20_40
))
770 printf("\t\t * supported channel width\n");
771 if (cm
->cap_info
& htole16(IEEE80211_HT_CAP_SGI_40
))
772 printf("\t\t * short GI for 40 MHz\n");
773 if (cm
->ampdu_params_info
& IEEE80211_HT_AMPDU_PARM_FACTOR
)
774 printf("\t\t * max A-MPDU length exponent\n");
775 if (cm
->ampdu_params_info
& IEEE80211_HT_AMPDU_PARM_DENSITY
)
776 printf("\t\t * min MPDU start spacing\n");
778 printf("\tERROR: capabilities mask is too short, expected: %d, received: %d\n",
780 (int)(nla_len(tb_msg
[NL80211_ATTR_HT_CAPABILITY_MASK
])));
784 if (tb_msg
[NL80211_ATTR_FEATURE_FLAGS
]) {
785 unsigned int features
= nla_get_u32(tb_msg
[NL80211_ATTR_FEATURE_FLAGS
]);
787 if (features
& NL80211_FEATURE_SK_TX_STATUS
)
788 printf("\tDevice supports TX status socket option.\n");
789 if (features
& NL80211_FEATURE_HT_IBSS
)
790 printf("\tDevice supports HT-IBSS.\n");
791 if (features
& NL80211_FEATURE_INACTIVITY_TIMER
)
792 printf("\tDevice has client inactivity timer.\n");
793 if (features
& NL80211_FEATURE_CELL_BASE_REG_HINTS
)
794 printf("\tDevice accepts cell base station regulatory hints.\n");
795 if (features
& NL80211_FEATURE_P2P_DEVICE_NEEDS_CHANNEL
)
796 printf("\tP2P Device uses a channel (of the concurrent ones)\n");
797 if (features
& NL80211_FEATURE_SAE
)
798 printf("\tDevice supports SAE with AUTHENTICATE command\n");
799 if (features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)
800 printf("\tDevice supports low priority scan.\n");
801 if (features
& NL80211_FEATURE_SCAN_FLUSH
)
802 printf("\tDevice supports scan flush.\n");
803 if (features
& NL80211_FEATURE_AP_SCAN
)
804 printf("\tDevice supports AP scan.\n");
805 if (features
& NL80211_FEATURE_VIF_TXPOWER
)
806 printf("\tDevice supports per-vif TX power setting\n");
807 if (features
& NL80211_FEATURE_NEED_OBSS_SCAN
)
808 printf("\tUserspace should do OBSS scan and generate 20/40 coex reports\n");
809 if (features
& NL80211_FEATURE_P2P_GO_CTWIN
)
810 printf("\tP2P GO supports CT window setting\n");
811 if (features
& NL80211_FEATURE_P2P_GO_OPPPS
)
812 printf("\tP2P GO supports opportunistic powersave setting\n");
813 if (features
& NL80211_FEATURE_FULL_AP_CLIENT_STATE
)
814 printf("\tDriver supports full state transitions for AP/GO clients\n");
815 if (features
& NL80211_FEATURE_USERSPACE_MPM
)
816 printf("\tDriver supports a userspace MPM\n");
817 if (features
& NL80211_FEATURE_ACTIVE_MONITOR
)
818 printf("\tDevice supports active monitor (which will ACK incoming frames)\n");
819 if (features
& NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE
)
820 printf("\tDriver/device bandwidth changes during BSS lifetime (AP/GO mode)\n");
821 if (features
& NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
)
822 printf("\tDevice adds DS IE to probe requests\n");
823 if (features
& NL80211_FEATURE_WFA_TPC_IE_IN_PROBES
)
824 printf("\tDevice adds WFA TPC Report IE to probe requests\n");
825 if (features
& NL80211_FEATURE_QUIET
)
826 printf("\tDevice supports quiet requests from AP\n");
827 if (features
& NL80211_FEATURE_TX_POWER_INSERTION
)
828 printf("\tDevice can update TPC Report IE\n");
829 if (features
& NL80211_FEATURE_ACKTO_ESTIMATION
)
830 printf("\tDevice supports ACK timeout estimation.\n");
831 if (features
& NL80211_FEATURE_STATIC_SMPS
)
832 printf("\tDevice supports static SMPS\n");
833 if (features
& NL80211_FEATURE_DYNAMIC_SMPS
)
834 printf("\tDevice supports dynamic SMPS\n");
835 if (features
& NL80211_FEATURE_SUPPORTS_WMM_ADMISSION
)
836 printf("\tDevice supports WMM-AC admission (TSPECs)\n");
837 if (features
& NL80211_FEATURE_MAC_ON_CREATE
)
838 printf("\tDevice supports configuring vdev MAC-addr on create.\n");
839 if (features
& NL80211_FEATURE_TDLS_CHANNEL_SWITCH
)
840 printf("\tDevice supports TDLS channel switching\n");
841 if (features
& NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR
)
842 printf("\tDevice supports randomizing MAC-addr in scans.\n");
843 if (features
& NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR
)
844 printf("\tDevice supports randomizing MAC-addr in sched scans.\n");
845 if (features
& NL80211_FEATURE_ND_RANDOM_MAC_ADDR
)
846 printf("\tDevice supports randomizing MAC-addr in net-detect scans.\n");
849 if (tb_msg
[NL80211_ATTR_TDLS_SUPPORT
])
850 printf("\tDevice supports T-DLS.\n");
852 if (tb_msg
[NL80211_ATTR_EXT_FEATURES
]) {
853 struct nlattr
*tb
= tb_msg
[NL80211_ATTR_EXT_FEATURES
];
854 enum nl80211_ext_feature_index feat
;
856 printf("\tSupported extended features:\n");
858 for (feat
= 0; feat
< NUM_NL80211_EXT_FEATURES
; feat
++) {
859 if (!ext_feature_isset(nla_data(tb
), nla_len(tb
), feat
))
861 ext_feat_print(feat
);
865 if (tb_msg
[NL80211_ATTR_COALESCE_RULE
]) {
866 struct nl80211_coalesce_rule_support
*rule
;
867 struct nl80211_pattern_support
*pat
;
869 printf("\tCoalesce support:\n");
870 rule
= nla_data(tb_msg
[NL80211_ATTR_COALESCE_RULE
]);
872 printf("\t\t * Maximum %u coalesce rules supported\n"
873 "\t\t * Each rule contains up to %u patterns of %u-%u bytes,\n"
874 "\t\t maximum packet offset %u bytes\n"
875 "\t\t * Maximum supported coalescing delay %u msecs\n",
876 rule
->max_rules
, pat
->max_patterns
, pat
->min_pattern_len
,
877 pat
->max_pattern_len
, pat
->max_pkt_offset
, rule
->max_delay
);
880 if (tb_msg
[NL80211_ATTR_PEER_MEASUREMENTS
])
881 print_pmsr_capabilities(tb_msg
[NL80211_ATTR_PEER_MEASUREMENTS
]);
883 if (tb_msg
[NL80211_ATTR_MAX_AP_ASSOC_STA
])
884 printf("\tMaximum associated stations in AP mode: %u\n",
885 nla_get_u32(tb_msg
[NL80211_ATTR_MAX_AP_ASSOC_STA
]));
890 static bool nl80211_has_split_wiphy
= false;
892 static int handle_info(struct nl80211_state
*state
,
894 int argc
, char **argv
,
897 char *feat_args
[] = { "features", "-q" };
900 err
= handle_cmd(state
, II_NONE
, 2, feat_args
);
901 if (!err
&& nl80211_has_split_wiphy
) {
902 nla_put_flag(msg
, NL80211_ATTR_SPLIT_WIPHY_DUMP
);
903 nlmsg_hdr(msg
)->nlmsg_flags
|= NLM_F_DUMP
;
906 register_handler(print_phy_handler
, NULL
);
910 __COMMAND(NULL
, info
, "info", NULL
, NL80211_CMD_GET_WIPHY
, 0, 0, CIB_PHY
, handle_info
,
911 "Show capabilities for the specified wireless device.", NULL
);
912 TOPLEVEL(list
, NULL
, NL80211_CMD_GET_WIPHY
, NLM_F_DUMP
, CIB_NONE
, handle_info
,
913 "List all wireless devices and their capabilities.");
914 TOPLEVEL(phy
, NULL
, NL80211_CMD_GET_WIPHY
, NLM_F_DUMP
, CIB_NONE
, handle_info
, NULL
);
916 static int handle_commands(struct nl80211_state
*state
, struct nl_msg
*msg
,
917 int argc
, char **argv
, enum id_input id
)
920 for (i
= 1; i
<= NL80211_CMD_MAX
; i
++)
921 printf("%d (0x%x): %s\n", i
, i
, command_name(i
));
922 /* don't send netlink messages */
925 TOPLEVEL(commands
, NULL
, NL80211_CMD_GET_WIPHY
, 0, CIB_NONE
, handle_commands
,
926 "list all known commands and their decimal & hex value");
928 static int print_feature_handler(struct nl_msg
*msg
, void *arg
)
930 struct nlattr
*tb_msg
[NL80211_ATTR_MAX
+ 1];
931 struct genlmsghdr
*gnlh
= nlmsg_data(nlmsg_hdr(msg
));
932 bool print
= (unsigned long)arg
;
933 #define maybe_printf(...) do { if (print) printf(__VA_ARGS__); } while (0)
935 nla_parse(tb_msg
, NL80211_ATTR_MAX
, genlmsg_attrdata(gnlh
, 0),
936 genlmsg_attrlen(gnlh
, 0), NULL
);
938 if (tb_msg
[NL80211_ATTR_PROTOCOL_FEATURES
]) {
939 uint32_t feat
= nla_get_u32(tb_msg
[NL80211_ATTR_PROTOCOL_FEATURES
]);
941 maybe_printf("nl80211 features: 0x%x\n", feat
);
942 if (feat
& NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP
) {
943 maybe_printf("\t* split wiphy dump\n");
944 nl80211_has_split_wiphy
= true;
951 static int handle_features(struct nl80211_state
*state
, struct nl_msg
*msg
,
952 int argc
, char **argv
, enum id_input id
)
954 unsigned long print
= argc
== 0 || strcmp(argv
[0], "-q");
955 register_handler(print_feature_handler
, (void *)print
);
959 TOPLEVEL(features
, "", NL80211_CMD_GET_PROTOCOL_FEATURES
, 0, CIB_NONE
,
960 handle_features
, "");