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");
172 static int print_phy_handler(struct nl_msg
*msg
, void *arg
)
174 struct nlattr
*tb_msg
[NL80211_ATTR_MAX
+ 1];
175 struct genlmsghdr
*gnlh
= nlmsg_data(nlmsg_hdr(msg
));
177 struct nlattr
*tb_band
[NL80211_BAND_ATTR_MAX
+ 1];
179 struct nlattr
*tb_freq
[NL80211_FREQUENCY_ATTR_MAX
+ 1];
180 static struct nla_policy freq_policy
[NL80211_FREQUENCY_ATTR_MAX
+ 1] = {
181 [NL80211_FREQUENCY_ATTR_FREQ
] = { .type
= NLA_U32
},
182 [NL80211_FREQUENCY_ATTR_DISABLED
] = { .type
= NLA_FLAG
},
183 [NL80211_FREQUENCY_ATTR_NO_IR
] = { .type
= NLA_FLAG
},
184 [__NL80211_FREQUENCY_ATTR_NO_IBSS
] = { .type
= NLA_FLAG
},
185 [NL80211_FREQUENCY_ATTR_RADAR
] = { .type
= NLA_FLAG
},
186 [NL80211_FREQUENCY_ATTR_MAX_TX_POWER
] = { .type
= NLA_U32
},
189 struct nlattr
*tb_rate
[NL80211_BITRATE_ATTR_MAX
+ 1];
190 static struct nla_policy rate_policy
[NL80211_BITRATE_ATTR_MAX
+ 1] = {
191 [NL80211_BITRATE_ATTR_RATE
] = { .type
= NLA_U32
},
192 [NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE
] = { .type
= NLA_FLAG
},
195 struct nlattr
*nl_band
;
196 struct nlattr
*nl_freq
;
197 struct nlattr
*nl_rate
;
198 struct nlattr
*nl_cmd
;
199 struct nlattr
*nl_if
, *nl_ftype
;
200 int rem_band
, rem_freq
, rem_rate
, rem_cmd
, rem_ftype
, rem_if
;
203 * static variables only work here, other applications need to use the
204 * callback pointer and store them there so they can be multithreaded
205 * and/or have multiple netlink sockets, etc.
207 static int64_t phy_id
= -1;
208 static int last_band
= -1;
209 static bool band_had_freq
= false;
210 bool print_name
= true;
212 nla_parse(tb_msg
, NL80211_ATTR_MAX
, genlmsg_attrdata(gnlh
, 0),
213 genlmsg_attrlen(gnlh
, 0), NULL
);
215 if (tb_msg
[NL80211_ATTR_WIPHY
]) {
216 if (nla_get_u32(tb_msg
[NL80211_ATTR_WIPHY
]) == phy_id
)
220 phy_id
= nla_get_u32(tb_msg
[NL80211_ATTR_WIPHY
]);
222 if (print_name
&& tb_msg
[NL80211_ATTR_WIPHY_NAME
])
223 printf("Wiphy %s\n", nla_get_string(tb_msg
[NL80211_ATTR_WIPHY_NAME
]));
225 if (print_name
&& tb_msg
[NL80211_ATTR_WIPHY
])
226 printf("\twiphy index: %u\n", nla_get_u32(tb_msg
[NL80211_ATTR_WIPHY
]));
228 /* needed for split dump */
229 if (tb_msg
[NL80211_ATTR_WIPHY_BANDS
]) {
230 nla_for_each_nested(nl_band
, tb_msg
[NL80211_ATTR_WIPHY_BANDS
], rem_band
) {
231 if (last_band
!= nl_band
->nla_type
) {
232 printf("\tBand %d:\n", nl_band
->nla_type
+ 1);
233 band_had_freq
= false;
235 last_band
= nl_band
->nla_type
;
237 nla_parse(tb_band
, NL80211_BAND_ATTR_MAX
, nla_data(nl_band
),
238 nla_len(nl_band
), NULL
);
240 if (tb_band
[NL80211_BAND_ATTR_HT_CAPA
]) {
241 __u16 cap
= nla_get_u16(tb_band
[NL80211_BAND_ATTR_HT_CAPA
]);
242 print_ht_capability(cap
);
244 if (tb_band
[NL80211_BAND_ATTR_HT_AMPDU_FACTOR
]) {
245 __u8 exponent
= nla_get_u8(tb_band
[NL80211_BAND_ATTR_HT_AMPDU_FACTOR
]);
246 print_ampdu_length(exponent
);
248 if (tb_band
[NL80211_BAND_ATTR_HT_AMPDU_DENSITY
]) {
249 __u8 spacing
= nla_get_u8(tb_band
[NL80211_BAND_ATTR_HT_AMPDU_DENSITY
]);
250 print_ampdu_spacing(spacing
);
252 if (tb_band
[NL80211_BAND_ATTR_HT_MCS_SET
] &&
253 nla_len(tb_band
[NL80211_BAND_ATTR_HT_MCS_SET
]) == 16)
254 print_ht_mcs(nla_data(tb_band
[NL80211_BAND_ATTR_HT_MCS_SET
]));
255 if (tb_band
[NL80211_BAND_ATTR_VHT_CAPA
] &&
256 tb_band
[NL80211_BAND_ATTR_VHT_MCS_SET
])
257 print_vht_info(nla_get_u32(tb_band
[NL80211_BAND_ATTR_VHT_CAPA
]),
258 nla_data(tb_band
[NL80211_BAND_ATTR_VHT_MCS_SET
]));
259 if (tb_band
[NL80211_BAND_ATTR_IFTYPE_DATA
]) {
260 struct nlattr
*nl_iftype
;
263 nla_for_each_nested(nl_iftype
,
264 tb_band
[NL80211_BAND_ATTR_IFTYPE_DATA
],
266 print_he_info(nl_iftype
);
267 print_eht_info(nl_iftype
, last_band
);
270 if (tb_band
[NL80211_BAND_ATTR_FREQS
]) {
271 if (!band_had_freq
) {
272 printf("\t\tFrequencies:\n");
273 band_had_freq
= true;
275 nla_for_each_nested(nl_freq
, tb_band
[NL80211_BAND_ATTR_FREQS
], rem_freq
) {
277 nla_parse(tb_freq
, NL80211_FREQUENCY_ATTR_MAX
, nla_data(nl_freq
),
278 nla_len(nl_freq
), freq_policy
);
279 if (!tb_freq
[NL80211_FREQUENCY_ATTR_FREQ
])
281 freq
= nla_get_u32(tb_freq
[NL80211_FREQUENCY_ATTR_FREQ
]);
282 printf("\t\t\t* %d MHz [%d]", freq
, ieee80211_frequency_to_channel(freq
));
284 if (tb_freq
[NL80211_FREQUENCY_ATTR_MAX_TX_POWER
] &&
285 !tb_freq
[NL80211_FREQUENCY_ATTR_DISABLED
])
286 printf(" (%.1f dBm)", 0.01 * nla_get_u32(tb_freq
[NL80211_FREQUENCY_ATTR_MAX_TX_POWER
]));
289 if (tb_freq
[NL80211_FREQUENCY_ATTR_DISABLED
]) {
290 print_flag("disabled", &open
);
294 /* If both flags are set assume an new kernel */
295 if (tb_freq
[NL80211_FREQUENCY_ATTR_NO_IR
] && tb_freq
[__NL80211_FREQUENCY_ATTR_NO_IBSS
]) {
296 print_flag("no IR", &open
);
297 } else if (tb_freq
[NL80211_FREQUENCY_ATTR_PASSIVE_SCAN
]) {
298 print_flag("passive scan", &open
);
299 } else if (tb_freq
[__NL80211_FREQUENCY_ATTR_NO_IBSS
]){
300 print_flag("no ibss", &open
);
303 if (tb_freq
[NL80211_FREQUENCY_ATTR_RADAR
])
304 print_flag("radar detection", &open
);
312 if (tb_band
[NL80211_BAND_ATTR_RATES
]) {
313 printf("\t\tBitrates (non-HT):\n");
314 nla_for_each_nested(nl_rate
, tb_band
[NL80211_BAND_ATTR_RATES
], rem_rate
) {
315 nla_parse(tb_rate
, NL80211_BITRATE_ATTR_MAX
, nla_data(nl_rate
),
316 nla_len(nl_rate
), rate_policy
);
317 if (!tb_rate
[NL80211_BITRATE_ATTR_RATE
])
319 printf("\t\t\t* %2.1f Mbps", 0.1 * nla_get_u32(tb_rate
[NL80211_BITRATE_ATTR_RATE
]));
321 if (tb_rate
[NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE
])
322 print_flag("short preamble supported", &open
);
331 if (tb_msg
[NL80211_ATTR_MAX_NUM_SCAN_SSIDS
])
332 printf("\tmax # scan SSIDs: %d\n",
333 nla_get_u8(tb_msg
[NL80211_ATTR_MAX_NUM_SCAN_SSIDS
]));
334 if (tb_msg
[NL80211_ATTR_MAX_SCAN_IE_LEN
])
335 printf("\tmax scan IEs length: %d bytes\n",
336 nla_get_u16(tb_msg
[NL80211_ATTR_MAX_SCAN_IE_LEN
]));
337 if (tb_msg
[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS
])
338 printf("\tmax # sched scan SSIDs: %d\n",
339 nla_get_u8(tb_msg
[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS
]));
340 if (tb_msg
[NL80211_ATTR_MAX_MATCH_SETS
])
341 printf("\tmax # match sets: %d\n",
342 nla_get_u8(tb_msg
[NL80211_ATTR_MAX_MATCH_SETS
]));
343 if (tb_msg
[NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS
])
344 printf("\tmax # scan plans: %d\n",
345 nla_get_u32(tb_msg
[NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS
]));
346 if (tb_msg
[NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL
])
347 printf("\tmax scan plan interval: %d\n",
348 nla_get_u32(tb_msg
[NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL
]));
349 if (tb_msg
[NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS
])
350 printf("\tmax scan plan iterations: %d\n",
351 nla_get_u32(tb_msg
[NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS
]));
353 if (tb_msg
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]) {
356 frag
= nla_get_u32(tb_msg
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]);
357 if (frag
!= (unsigned int)-1)
358 printf("\tFragmentation threshold: %d\n", frag
);
361 if (tb_msg
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]) {
364 rts
= nla_get_u32(tb_msg
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]);
365 if (rts
!= (unsigned int)-1)
366 printf("\tRTS threshold: %d\n", rts
);
369 if (tb_msg
[NL80211_ATTR_WIPHY_RETRY_SHORT
] ||
370 tb_msg
[NL80211_ATTR_WIPHY_RETRY_LONG
]) {
371 unsigned char retry_short
= 0, retry_long
= 0;
373 if (tb_msg
[NL80211_ATTR_WIPHY_RETRY_SHORT
])
374 retry_short
= nla_get_u8(tb_msg
[NL80211_ATTR_WIPHY_RETRY_SHORT
]);
375 if (tb_msg
[NL80211_ATTR_WIPHY_RETRY_LONG
])
376 retry_long
= nla_get_u8(tb_msg
[NL80211_ATTR_WIPHY_RETRY_LONG
]);
377 if (retry_short
== retry_long
) {
378 printf("\tRetry short long limit: %d\n", retry_short
);
380 printf("\tRetry short limit: %d\n", retry_short
);
381 printf("\tRetry long limit: %d\n", retry_long
);
385 if (tb_msg
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]) {
386 unsigned char coverage
;
388 coverage
= nla_get_u8(tb_msg
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]);
389 /* See handle_distance() for an explanation where the '450' comes from */
390 printf("\tCoverage class: %d (up to %dm)\n", coverage
, 450 * coverage
);
393 if (tb_msg
[NL80211_ATTR_CIPHER_SUITES
]) {
394 int num
= nla_len(tb_msg
[NL80211_ATTR_CIPHER_SUITES
]) / sizeof(__u32
);
396 __u32
*ciphers
= nla_data(tb_msg
[NL80211_ATTR_CIPHER_SUITES
]);
398 printf("\tSupported Ciphers:\n");
399 for (i
= 0; i
< num
; i
++)
401 cipher_name(ciphers
[i
]));
405 if (tb_msg
[NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX
] &&
406 tb_msg
[NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX
])
407 printf("\tAvailable Antennas: TX %#x RX %#x\n",
408 nla_get_u32(tb_msg
[NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX
]),
409 nla_get_u32(tb_msg
[NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX
]));
411 if (tb_msg
[NL80211_ATTR_WIPHY_ANTENNA_TX
] &&
412 tb_msg
[NL80211_ATTR_WIPHY_ANTENNA_RX
])
413 printf("\tConfigured Antennas: TX %#x RX %#x\n",
414 nla_get_u32(tb_msg
[NL80211_ATTR_WIPHY_ANTENNA_TX
]),
415 nla_get_u32(tb_msg
[NL80211_ATTR_WIPHY_ANTENNA_RX
]));
417 if (tb_msg
[NL80211_ATTR_SUPPORTED_IFTYPES
])
418 print_iftype_list("\tSupported interface modes", "\t\t",
419 tb_msg
[NL80211_ATTR_SUPPORTED_IFTYPES
]);
421 if (tb_msg
[NL80211_ATTR_SOFTWARE_IFTYPES
])
422 print_iftype_list("\tsoftware interface modes (can always be added)",
423 "\t\t", tb_msg
[NL80211_ATTR_SOFTWARE_IFTYPES
]);
425 if (tb_msg
[NL80211_ATTR_INTERFACE_COMBINATIONS
]) {
426 struct nlattr
*nl_combi
;
428 bool have_combinations
= false;
430 nla_for_each_nested(nl_combi
, tb_msg
[NL80211_ATTR_INTERFACE_COMBINATIONS
], rem_combi
) {
431 static struct nla_policy iface_combination_policy
[NUM_NL80211_IFACE_COMB
] = {
432 [NL80211_IFACE_COMB_LIMITS
] = { .type
= NLA_NESTED
},
433 [NL80211_IFACE_COMB_MAXNUM
] = { .type
= NLA_U32
},
434 [NL80211_IFACE_COMB_STA_AP_BI_MATCH
] = { .type
= NLA_FLAG
},
435 [NL80211_IFACE_COMB_NUM_CHANNELS
] = { .type
= NLA_U32
},
436 [NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS
] = { .type
= NLA_U32
},
438 struct nlattr
*tb_comb
[NUM_NL80211_IFACE_COMB
];
439 static struct nla_policy iface_limit_policy
[NUM_NL80211_IFACE_LIMIT
] = {
440 [NL80211_IFACE_LIMIT_TYPES
] = { .type
= NLA_NESTED
},
441 [NL80211_IFACE_LIMIT_MAX
] = { .type
= NLA_U32
},
443 struct nlattr
*tb_limit
[NUM_NL80211_IFACE_LIMIT
];
444 struct nlattr
*nl_limit
;
448 if (!have_combinations
) {
449 printf("\tvalid interface combinations:\n");
450 have_combinations
= true;
455 err
= nla_parse_nested(tb_comb
, MAX_NL80211_IFACE_COMB
,
456 nl_combi
, iface_combination_policy
);
457 if (err
|| !tb_comb
[NL80211_IFACE_COMB_LIMITS
] ||
458 !tb_comb
[NL80211_IFACE_COMB_MAXNUM
] ||
459 !tb_comb
[NL80211_IFACE_COMB_NUM_CHANNELS
]) {
460 printf(" <failed to parse>\n");
461 goto broken_combination
;
464 nla_for_each_nested(nl_limit
, tb_comb
[NL80211_IFACE_COMB_LIMITS
], rem_limit
) {
465 err
= nla_parse_nested(tb_limit
, MAX_NL80211_IFACE_LIMIT
,
466 nl_limit
, iface_limit_policy
);
467 if (err
|| !tb_limit
[NL80211_IFACE_LIMIT_TYPES
]) {
468 printf("<failed to parse>\n");
469 goto broken_combination
;
476 print_iftype_line(tb_limit
[NL80211_IFACE_LIMIT_TYPES
]);
477 printf(" } <= %u", nla_get_u32(tb_limit
[NL80211_IFACE_LIMIT_MAX
]));
481 printf("total <= %d, #channels <= %d%s",
482 nla_get_u32(tb_comb
[NL80211_IFACE_COMB_MAXNUM
]),
483 nla_get_u32(tb_comb
[NL80211_IFACE_COMB_NUM_CHANNELS
]),
484 tb_comb
[NL80211_IFACE_COMB_STA_AP_BI_MATCH
] ?
485 ", STA/AP BI must match" : "");
486 if (tb_comb
[NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS
]) {
487 unsigned long widths
= nla_get_u32(tb_comb
[NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS
]);
493 printf(", radar detect widths: {");
494 for (width
= 0; width
< 32; width
++)
495 if (widths
& (1 << width
)) {
498 channel_width_name(width
));
509 if (!have_combinations
)
510 printf("\tinterface combinations are not supported\n");
513 if (tb_msg
[NL80211_ATTR_SUPPORTED_COMMANDS
]) {
514 printf("\tSupported commands:\n");
515 nla_for_each_nested(nl_cmd
, tb_msg
[NL80211_ATTR_SUPPORTED_COMMANDS
], rem_cmd
)
516 printf("\t\t * %s\n", command_name(nla_get_u32(nl_cmd
)));
519 if (tb_msg
[NL80211_ATTR_TX_FRAME_TYPES
]) {
520 printf("\tSupported TX frame types:\n");
521 nla_for_each_nested(nl_if
, tb_msg
[NL80211_ATTR_TX_FRAME_TYPES
], rem_if
) {
522 bool printed
= false;
523 nla_for_each_nested(nl_ftype
, nl_if
, rem_ftype
) {
525 printf("\t\t * %s:", iftype_name(nla_type(nl_if
)));
527 printf(" 0x%.2x", nla_get_u16(nl_ftype
));
534 if (tb_msg
[NL80211_ATTR_RX_FRAME_TYPES
]) {
535 printf("\tSupported RX frame types:\n");
536 nla_for_each_nested(nl_if
, tb_msg
[NL80211_ATTR_RX_FRAME_TYPES
], rem_if
) {
537 bool printed
= false;
538 nla_for_each_nested(nl_ftype
, nl_if
, rem_ftype
) {
540 printf("\t\t * %s:", iftype_name(nla_type(nl_if
)));
542 printf(" 0x%.2x", nla_get_u16(nl_ftype
));
549 if (tb_msg
[NL80211_ATTR_SUPPORT_IBSS_RSN
])
550 printf("\tDevice supports RSN-IBSS.\n");
552 if (tb_msg
[NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED
]) {
553 struct nlattr
*tb_wowlan
[NUM_NL80211_WOWLAN_TRIG
];
554 static struct nla_policy wowlan_policy
[NUM_NL80211_WOWLAN_TRIG
] = {
555 [NL80211_WOWLAN_TRIG_ANY
] = { .type
= NLA_FLAG
},
556 [NL80211_WOWLAN_TRIG_DISCONNECT
] = { .type
= NLA_FLAG
},
557 [NL80211_WOWLAN_TRIG_MAGIC_PKT
] = { .type
= NLA_FLAG
},
558 [NL80211_WOWLAN_TRIG_PKT_PATTERN
] = { .minlen
= 12 },
559 [NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
] = { .type
= NLA_FLAG
},
560 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
] = { .type
= NLA_FLAG
},
561 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
] = { .type
= NLA_FLAG
},
562 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
] = { .type
= NLA_FLAG
},
563 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE
] = { .type
= NLA_FLAG
},
564 [NL80211_WOWLAN_TRIG_NET_DETECT
] = { .type
= NLA_U32
},
565 [NL80211_WOWLAN_TRIG_TCP_CONNECTION
] = { .type
= NLA_NESTED
},
567 struct nl80211_pattern_support
*pat
;
570 err
= nla_parse_nested(tb_wowlan
, MAX_NL80211_WOWLAN_TRIG
,
571 tb_msg
[NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED
],
573 printf("\tWoWLAN support:");
575 printf(" <failed to parse>\n");
578 if (tb_wowlan
[NL80211_WOWLAN_TRIG_ANY
])
579 printf("\t\t * wake up on anything (device continues operating normally)\n");
580 if (tb_wowlan
[NL80211_WOWLAN_TRIG_DISCONNECT
])
581 printf("\t\t * wake up on disconnect\n");
582 if (tb_wowlan
[NL80211_WOWLAN_TRIG_MAGIC_PKT
])
583 printf("\t\t * wake up on magic packet\n");
584 if (tb_wowlan
[NL80211_WOWLAN_TRIG_PKT_PATTERN
]) {
585 unsigned int len
= nla_len(tb_wowlan
[NL80211_WOWLAN_TRIG_PKT_PATTERN
]);
587 pat
= nla_data(tb_wowlan
[NL80211_WOWLAN_TRIG_PKT_PATTERN
]);
588 printf("\t\t * wake up on pattern match, up to %u patterns of %u-%u bytes,\n"
589 "\t\t maximum packet offset %u bytes\n",
590 pat
->max_patterns
, pat
->min_pattern_len
, pat
->max_pattern_len
,
591 len
< sizeof(*pat
) ? 0 : pat
->max_pkt_offset
);
593 if (tb_wowlan
[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
])
594 printf("\t\t * can do GTK rekeying\n");
595 if (tb_wowlan
[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
])
596 printf("\t\t * wake up on GTK rekey failure\n");
597 if (tb_wowlan
[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
])
598 printf("\t\t * wake up on EAP identity request\n");
599 if (tb_wowlan
[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
])
600 printf("\t\t * wake up on 4-way handshake\n");
601 if (tb_wowlan
[NL80211_WOWLAN_TRIG_RFKILL_RELEASE
])
602 printf("\t\t * wake up on rfkill release\n");
603 if (tb_wowlan
[NL80211_WOWLAN_TRIG_NET_DETECT
])
604 printf("\t\t * wake up on network detection, up to %d match sets\n",
605 nla_get_u32(tb_wowlan
[NL80211_WOWLAN_TRIG_NET_DETECT
]));
606 if (tb_wowlan
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
])
607 printf("\t\t * wake up on TCP connection\n");
611 if (tb_msg
[NL80211_ATTR_ROAM_SUPPORT
])
612 printf("\tDevice supports roaming.\n");
614 if (tb_msg
[NL80211_ATTR_SUPPORT_AP_UAPSD
])
615 printf("\tDevice supports AP-side u-APSD.\n");
617 if (tb_msg
[NL80211_ATTR_HT_CAPABILITY_MASK
]) {
618 struct ieee80211_ht_cap
*cm
;
619 unsigned int len
= nla_len(tb_msg
[NL80211_ATTR_HT_CAPABILITY_MASK
]);
621 printf("\tHT Capability overrides:\n");
622 if (len
>= sizeof(*cm
)) {
623 cm
= nla_data(tb_msg
[NL80211_ATTR_HT_CAPABILITY_MASK
]);
624 printf("\t\t * MCS: %02hhx %02hhx %02hhx %02hhx %02hhx %02hhx"
625 " %02hhx %02hhx %02hhx %02hhx\n",
626 cm
->mcs
.rx_mask
[0], cm
->mcs
.rx_mask
[1],
627 cm
->mcs
.rx_mask
[2], cm
->mcs
.rx_mask
[3],
628 cm
->mcs
.rx_mask
[4], cm
->mcs
.rx_mask
[5],
629 cm
->mcs
.rx_mask
[6], cm
->mcs
.rx_mask
[7],
630 cm
->mcs
.rx_mask
[8], cm
->mcs
.rx_mask
[9]);
631 if (cm
->cap_info
& htole16(IEEE80211_HT_CAP_MAX_AMSDU
))
632 printf("\t\t * maximum A-MSDU length\n");
633 if (cm
->cap_info
& htole16(IEEE80211_HT_CAP_SUP_WIDTH_20_40
))
634 printf("\t\t * supported channel width\n");
635 if (cm
->cap_info
& htole16(IEEE80211_HT_CAP_SGI_40
))
636 printf("\t\t * short GI for 40 MHz\n");
637 if (cm
->ampdu_params_info
& IEEE80211_HT_AMPDU_PARM_FACTOR
)
638 printf("\t\t * max A-MPDU length exponent\n");
639 if (cm
->ampdu_params_info
& IEEE80211_HT_AMPDU_PARM_DENSITY
)
640 printf("\t\t * min MPDU start spacing\n");
642 printf("\tERROR: capabilities mask is too short, expected: %d, received: %d\n",
644 (int)(nla_len(tb_msg
[NL80211_ATTR_HT_CAPABILITY_MASK
])));
648 if (tb_msg
[NL80211_ATTR_FEATURE_FLAGS
]) {
649 unsigned int features
= nla_get_u32(tb_msg
[NL80211_ATTR_FEATURE_FLAGS
]);
651 if (features
& NL80211_FEATURE_SK_TX_STATUS
)
652 printf("\tDevice supports TX status socket option.\n");
653 if (features
& NL80211_FEATURE_HT_IBSS
)
654 printf("\tDevice supports HT-IBSS.\n");
655 if (features
& NL80211_FEATURE_INACTIVITY_TIMER
)
656 printf("\tDevice has client inactivity timer.\n");
657 if (features
& NL80211_FEATURE_CELL_BASE_REG_HINTS
)
658 printf("\tDevice accepts cell base station regulatory hints.\n");
659 if (features
& NL80211_FEATURE_P2P_DEVICE_NEEDS_CHANNEL
)
660 printf("\tP2P Device uses a channel (of the concurrent ones)\n");
661 if (features
& NL80211_FEATURE_SAE
)
662 printf("\tDevice supports SAE with AUTHENTICATE command\n");
663 if (features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)
664 printf("\tDevice supports low priority scan.\n");
665 if (features
& NL80211_FEATURE_SCAN_FLUSH
)
666 printf("\tDevice supports scan flush.\n");
667 if (features
& NL80211_FEATURE_AP_SCAN
)
668 printf("\tDevice supports AP scan.\n");
669 if (features
& NL80211_FEATURE_VIF_TXPOWER
)
670 printf("\tDevice supports per-vif TX power setting\n");
671 if (features
& NL80211_FEATURE_NEED_OBSS_SCAN
)
672 printf("\tUserspace should do OBSS scan and generate 20/40 coex reports\n");
673 if (features
& NL80211_FEATURE_P2P_GO_CTWIN
)
674 printf("\tP2P GO supports CT window setting\n");
675 if (features
& NL80211_FEATURE_P2P_GO_OPPPS
)
676 printf("\tP2P GO supports opportunistic powersave setting\n");
677 if (features
& NL80211_FEATURE_FULL_AP_CLIENT_STATE
)
678 printf("\tDriver supports full state transitions for AP/GO clients\n");
679 if (features
& NL80211_FEATURE_USERSPACE_MPM
)
680 printf("\tDriver supports a userspace MPM\n");
681 if (features
& NL80211_FEATURE_ACTIVE_MONITOR
)
682 printf("\tDevice supports active monitor (which will ACK incoming frames)\n");
683 if (features
& NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE
)
684 printf("\tDriver/device bandwidth changes during BSS lifetime (AP/GO mode)\n");
685 if (features
& NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
)
686 printf("\tDevice adds DS IE to probe requests\n");
687 if (features
& NL80211_FEATURE_WFA_TPC_IE_IN_PROBES
)
688 printf("\tDevice adds WFA TPC Report IE to probe requests\n");
689 if (features
& NL80211_FEATURE_QUIET
)
690 printf("\tDevice supports quiet requests from AP\n");
691 if (features
& NL80211_FEATURE_TX_POWER_INSERTION
)
692 printf("\tDevice can update TPC Report IE\n");
693 if (features
& NL80211_FEATURE_ACKTO_ESTIMATION
)
694 printf("\tDevice supports ACK timeout estimation.\n");
695 if (features
& NL80211_FEATURE_STATIC_SMPS
)
696 printf("\tDevice supports static SMPS\n");
697 if (features
& NL80211_FEATURE_DYNAMIC_SMPS
)
698 printf("\tDevice supports dynamic SMPS\n");
699 if (features
& NL80211_FEATURE_SUPPORTS_WMM_ADMISSION
)
700 printf("\tDevice supports WMM-AC admission (TSPECs)\n");
701 if (features
& NL80211_FEATURE_MAC_ON_CREATE
)
702 printf("\tDevice supports configuring vdev MAC-addr on create.\n");
703 if (features
& NL80211_FEATURE_TDLS_CHANNEL_SWITCH
)
704 printf("\tDevice supports TDLS channel switching\n");
705 if (features
& NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR
)
706 printf("\tDevice supports randomizing MAC-addr in scans.\n");
707 if (features
& NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR
)
708 printf("\tDevice supports randomizing MAC-addr in sched scans.\n");
709 if (features
& NL80211_FEATURE_ND_RANDOM_MAC_ADDR
)
710 printf("\tDevice supports randomizing MAC-addr in net-detect scans.\n");
713 if (tb_msg
[NL80211_ATTR_TDLS_SUPPORT
])
714 printf("\tDevice supports T-DLS.\n");
716 if (tb_msg
[NL80211_ATTR_EXT_FEATURES
]) {
717 struct nlattr
*tb
= tb_msg
[NL80211_ATTR_EXT_FEATURES
];
718 enum nl80211_ext_feature_index feat
;
720 printf("\tSupported extended features:\n");
722 for (feat
= 0; feat
< NUM_NL80211_EXT_FEATURES
; feat
++) {
723 if (!ext_feature_isset(nla_data(tb
), nla_len(tb
), feat
))
725 ext_feat_print(feat
);
729 if (tb_msg
[NL80211_ATTR_COALESCE_RULE
]) {
730 struct nl80211_coalesce_rule_support
*rule
;
731 struct nl80211_pattern_support
*pat
;
733 printf("\tCoalesce support:\n");
734 rule
= nla_data(tb_msg
[NL80211_ATTR_COALESCE_RULE
]);
736 printf("\t\t * Maximum %u coalesce rules supported\n"
737 "\t\t * Each rule contains up to %u patterns of %u-%u bytes,\n"
738 "\t\t maximum packet offset %u bytes\n"
739 "\t\t * Maximum supported coalescing delay %u msecs\n",
740 rule
->max_rules
, pat
->max_patterns
, pat
->min_pattern_len
,
741 pat
->max_pattern_len
, pat
->max_pkt_offset
, rule
->max_delay
);
744 if (tb_msg
[NL80211_ATTR_MAX_AP_ASSOC_STA
])
745 printf("\tMaximum associated stations in AP mode: %u\n",
746 nla_get_u16(tb_msg
[NL80211_ATTR_MAX_AP_ASSOC_STA
]));
751 static bool nl80211_has_split_wiphy
= false;
753 static int handle_info(struct nl80211_state
*state
,
755 int argc
, char **argv
,
758 char *feat_args
[] = { "features", "-q" };
761 err
= handle_cmd(state
, II_NONE
, 2, feat_args
);
762 if (!err
&& nl80211_has_split_wiphy
) {
763 nla_put_flag(msg
, NL80211_ATTR_SPLIT_WIPHY_DUMP
);
764 nlmsg_hdr(msg
)->nlmsg_flags
|= NLM_F_DUMP
;
767 register_handler(print_phy_handler
, NULL
);
771 __COMMAND(NULL
, info
, "info", NULL
, NL80211_CMD_GET_WIPHY
, 0, 0, CIB_PHY
, handle_info
,
772 "Show capabilities for the specified wireless device.", NULL
);
773 TOPLEVEL(list
, NULL
, NL80211_CMD_GET_WIPHY
, NLM_F_DUMP
, CIB_NONE
, handle_info
,
774 "List all wireless devices and their capabilities.");
775 TOPLEVEL(phy
, NULL
, NL80211_CMD_GET_WIPHY
, NLM_F_DUMP
, CIB_NONE
, handle_info
, NULL
);
777 static int handle_commands(struct nl80211_state
*state
, struct nl_msg
*msg
,
778 int argc
, char **argv
, enum id_input id
)
781 for (i
= 1; i
<= NL80211_CMD_MAX
; i
++)
782 printf("%d (0x%x): %s\n", i
, i
, command_name(i
));
783 /* don't send netlink messages */
786 TOPLEVEL(commands
, NULL
, NL80211_CMD_GET_WIPHY
, 0, CIB_NONE
, handle_commands
,
787 "list all known commands and their decimal & hex value");
789 static int print_feature_handler(struct nl_msg
*msg
, void *arg
)
791 struct nlattr
*tb_msg
[NL80211_ATTR_MAX
+ 1];
792 struct genlmsghdr
*gnlh
= nlmsg_data(nlmsg_hdr(msg
));
793 bool print
= (unsigned long)arg
;
794 #define maybe_printf(...) do { if (print) printf(__VA_ARGS__); } while (0)
796 nla_parse(tb_msg
, NL80211_ATTR_MAX
, genlmsg_attrdata(gnlh
, 0),
797 genlmsg_attrlen(gnlh
, 0), NULL
);
799 if (tb_msg
[NL80211_ATTR_PROTOCOL_FEATURES
]) {
800 uint32_t feat
= nla_get_u32(tb_msg
[NL80211_ATTR_PROTOCOL_FEATURES
]);
802 maybe_printf("nl80211 features: 0x%x\n", feat
);
803 if (feat
& NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP
) {
804 maybe_printf("\t* split wiphy dump\n");
805 nl80211_has_split_wiphy
= true;
812 static int handle_features(struct nl80211_state
*state
, struct nl_msg
*msg
,
813 int argc
, char **argv
, enum id_input id
)
815 unsigned long print
= argc
== 0 || strcmp(argv
[0], "-q");
816 register_handler(print_feature_handler
, (void *)print
);
820 TOPLEVEL(features
, "", NL80211_CMD_GET_PROTOCOL_FEATURES
, 0, CIB_NONE
,
821 handle_features
, "");