1 #include <net/if.h>
2 #include <errno.h>
3 #include <string.h>
4 
5 #include <netlink/genl/genl.h>
6 #include <netlink/genl/family.h>
7 #include <netlink/genl/ctrl.h>
8 #include <netlink/msg.h>
9 #include <netlink/attr.h>
10 
11 #include "nl80211.h"
12 #include "iw.h"
13 
14 SECTION(station);
15 
16 enum plink_state {
17 	LISTEN,
18 	OPN_SNT,
19 	OPN_RCVD,
20 	CNF_RCVD,
21 	ESTAB,
22 	HOLDING,
23 	BLOCKED
24 };
25 
print_power_mode(struct nlattr * a)26 static void print_power_mode(struct nlattr *a)
27 {
28 	enum nl80211_mesh_power_mode pm = nla_get_u32(a);
29 
30 	switch (pm) {
31 	case NL80211_MESH_POWER_ACTIVE:
32 		printf("ACTIVE");
33 		break;
34 	case NL80211_MESH_POWER_LIGHT_SLEEP:
35 		printf("LIGHT SLEEP");
36 		break;
37 	case NL80211_MESH_POWER_DEEP_SLEEP:
38 		printf("DEEP SLEEP");
39 		break;
40 	default:
41 		printf("UNKNOWN");
42 		break;
43 	}
44 }
45 
parse_bitrate(struct nlattr * bitrate_attr,char * buf,int buflen)46 void parse_bitrate(struct nlattr *bitrate_attr, char *buf, int buflen)
47 {
48 	int rate = 0;
49 	char *pos = buf;
50 	struct nlattr *rinfo[NL80211_RATE_INFO_MAX + 1];
51 	static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = {
52 		[NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 },
53 		[NL80211_RATE_INFO_BITRATE32] = { .type = NLA_U32 },
54 		[NL80211_RATE_INFO_MCS] = { .type = NLA_U8 },
55 		[NL80211_RATE_INFO_40_MHZ_WIDTH] = { .type = NLA_FLAG },
56 		[NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG },
57 	};
58 
59 	if (nla_parse_nested(rinfo, NL80211_RATE_INFO_MAX,
60 			     bitrate_attr, rate_policy)) {
61 		snprintf(buf, buflen, "failed to parse nested rate attributes!");
62 		return;
63 	}
64 
65 	if (rinfo[NL80211_RATE_INFO_BITRATE32])
66 		rate = nla_get_u32(rinfo[NL80211_RATE_INFO_BITRATE32]);
67 	else if (rinfo[NL80211_RATE_INFO_BITRATE])
68 		rate = nla_get_u16(rinfo[NL80211_RATE_INFO_BITRATE]);
69 	if (rate > 0)
70 		pos += snprintf(pos, buflen - (pos - buf),
71 				"%d.%d MBit/s", rate / 10, rate % 10);
72 
73 	if (rinfo[NL80211_RATE_INFO_MCS])
74 		pos += snprintf(pos, buflen - (pos - buf),
75 				" MCS %d", nla_get_u8(rinfo[NL80211_RATE_INFO_MCS]));
76 	if (rinfo[NL80211_RATE_INFO_VHT_MCS])
77 		pos += snprintf(pos, buflen - (pos - buf),
78 				" VHT-MCS %d", nla_get_u8(rinfo[NL80211_RATE_INFO_VHT_MCS]));
79 	if (rinfo[NL80211_RATE_INFO_40_MHZ_WIDTH])
80 		pos += snprintf(pos, buflen - (pos - buf), " 40MHz");
81 	if (rinfo[NL80211_RATE_INFO_80_MHZ_WIDTH])
82 		pos += snprintf(pos, buflen - (pos - buf), " 80MHz");
83 	if (rinfo[NL80211_RATE_INFO_80P80_MHZ_WIDTH])
84 		pos += snprintf(pos, buflen - (pos - buf), " 80P80MHz");
85 	if (rinfo[NL80211_RATE_INFO_160_MHZ_WIDTH])
86 		pos += snprintf(pos, buflen - (pos - buf), " 160MHz");
87 	if (rinfo[NL80211_RATE_INFO_SHORT_GI])
88 		pos += snprintf(pos, buflen - (pos - buf), " short GI");
89 	if (rinfo[NL80211_RATE_INFO_VHT_NSS])
90 		pos += snprintf(pos, buflen - (pos - buf),
91 				" VHT-NSS %d", nla_get_u8(rinfo[NL80211_RATE_INFO_VHT_NSS]));
92 }
93 
get_chain_signal(struct nlattr * attr_list)94 static char *get_chain_signal(struct nlattr *attr_list)
95 {
96 	struct nlattr *attr;
97 	static char buf[64];
98 	char *cur = buf;
99 	int i = 0, rem;
100 	const char *prefix;
101 
102 	if (!attr_list)
103 		return "";
104 
105 	nla_for_each_nested(attr, attr_list, rem) {
106 		if (i++ > 0)
107 			prefix = ", ";
108 		else
109 			prefix = "[";
110 
111 		cur += snprintf(cur, sizeof(buf) - (cur - buf), "%s%d", prefix,
112 				(int8_t) nla_get_u8(attr));
113 	}
114 
115 	if (i)
116 		snprintf(cur, sizeof(buf) - (cur - buf), "] ");
117 
118 	return buf;
119 }
120 
print_sta_handler(struct nl_msg * msg,void * arg)121 static int print_sta_handler(struct nl_msg *msg, void *arg)
122 {
123 	struct nlattr *tb[NL80211_ATTR_MAX + 1];
124 	struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
125 	struct nlattr *sinfo[NL80211_STA_INFO_MAX + 1];
126 	char mac_addr[20], state_name[10], dev[20];
127 	struct nl80211_sta_flag_update *sta_flags;
128 	static struct nla_policy stats_policy[NL80211_STA_INFO_MAX + 1] = {
129 		[NL80211_STA_INFO_INACTIVE_TIME] = { .type = NLA_U32 },
130 		[NL80211_STA_INFO_RX_BYTES] = { .type = NLA_U32 },
131 		[NL80211_STA_INFO_TX_BYTES] = { .type = NLA_U32 },
132 		[NL80211_STA_INFO_RX_PACKETS] = { .type = NLA_U32 },
133 		[NL80211_STA_INFO_TX_PACKETS] = { .type = NLA_U32 },
134 		[NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 },
135 		[NL80211_STA_INFO_T_OFFSET] = { .type = NLA_U64 },
136 		[NL80211_STA_INFO_TX_BITRATE] = { .type = NLA_NESTED },
137 		[NL80211_STA_INFO_RX_BITRATE] = { .type = NLA_NESTED },
138 		[NL80211_STA_INFO_LLID] = { .type = NLA_U16 },
139 		[NL80211_STA_INFO_PLID] = { .type = NLA_U16 },
140 		[NL80211_STA_INFO_PLINK_STATE] = { .type = NLA_U8 },
141 		[NL80211_STA_INFO_TX_RETRIES] = { .type = NLA_U32 },
142 		[NL80211_STA_INFO_TX_FAILED] = { .type = NLA_U32 },
143 		[NL80211_STA_INFO_STA_FLAGS] =
144 			{ .minlen = sizeof(struct nl80211_sta_flag_update) },
145 		[NL80211_STA_INFO_LOCAL_PM] = { .type = NLA_U32},
146 		[NL80211_STA_INFO_PEER_PM] = { .type = NLA_U32},
147 		[NL80211_STA_INFO_NONPEER_PM] = { .type = NLA_U32},
148 		[NL80211_STA_INFO_CHAIN_SIGNAL] = { .type = NLA_NESTED },
149 		[NL80211_STA_INFO_CHAIN_SIGNAL_AVG] = { .type = NLA_NESTED },
150 	};
151 	char *chain;
152 
153 	nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
154 		  genlmsg_attrlen(gnlh, 0), NULL);
155 
156 	/*
157 	 * TODO: validate the interface and mac address!
158 	 * Otherwise, there's a race condition as soon as
159 	 * the kernel starts sending station notifications.
160 	 */
161 
162 	if (!tb[NL80211_ATTR_STA_INFO]) {
163 		fprintf(stderr, "sta stats missing!\n");
164 		return NL_SKIP;
165 	}
166 	if (nla_parse_nested(sinfo, NL80211_STA_INFO_MAX,
167 			     tb[NL80211_ATTR_STA_INFO],
168 			     stats_policy)) {
169 		fprintf(stderr, "failed to parse nested attributes!\n");
170 		return NL_SKIP;
171 	}
172 
173 	mac_addr_n2a(mac_addr, nla_data(tb[NL80211_ATTR_MAC]));
174 	if_indextoname(nla_get_u32(tb[NL80211_ATTR_IFINDEX]), dev);
175 	printf("Station %s (on %s)", mac_addr, dev);
176 
177 	if (sinfo[NL80211_STA_INFO_INACTIVE_TIME])
178 		printf("\n\tinactive time:\t%u ms",
179 			nla_get_u32(sinfo[NL80211_STA_INFO_INACTIVE_TIME]));
180 	if (sinfo[NL80211_STA_INFO_RX_BYTES])
181 		printf("\n\trx bytes:\t%u",
182 			nla_get_u32(sinfo[NL80211_STA_INFO_RX_BYTES]));
183 	if (sinfo[NL80211_STA_INFO_RX_PACKETS])
184 		printf("\n\trx packets:\t%u",
185 			nla_get_u32(sinfo[NL80211_STA_INFO_RX_PACKETS]));
186 	if (sinfo[NL80211_STA_INFO_TX_BYTES])
187 		printf("\n\ttx bytes:\t%u",
188 			nla_get_u32(sinfo[NL80211_STA_INFO_TX_BYTES]));
189 	if (sinfo[NL80211_STA_INFO_TX_PACKETS])
190 		printf("\n\ttx packets:\t%u",
191 			nla_get_u32(sinfo[NL80211_STA_INFO_TX_PACKETS]));
192 	if (sinfo[NL80211_STA_INFO_TX_RETRIES])
193 		printf("\n\ttx retries:\t%u",
194 			nla_get_u32(sinfo[NL80211_STA_INFO_TX_RETRIES]));
195 	if (sinfo[NL80211_STA_INFO_TX_FAILED])
196 		printf("\n\ttx failed:\t%u",
197 			nla_get_u32(sinfo[NL80211_STA_INFO_TX_FAILED]));
198 
199 	chain = get_chain_signal(sinfo[NL80211_STA_INFO_CHAIN_SIGNAL]);
200 	if (sinfo[NL80211_STA_INFO_SIGNAL])
201 		printf("\n\tsignal:  \t%d %sdBm",
202 			(int8_t)nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL]),
203 			chain);
204 
205 	chain = get_chain_signal(sinfo[NL80211_STA_INFO_CHAIN_SIGNAL_AVG]);
206 	if (sinfo[NL80211_STA_INFO_SIGNAL_AVG])
207 		printf("\n\tsignal avg:\t%d %sdBm",
208 			(int8_t)nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL_AVG]),
209 			chain);
210 
211 	if (sinfo[NL80211_STA_INFO_T_OFFSET])
212 		printf("\n\tToffset:\t%lld us",
213 			(unsigned long long)nla_get_u64(sinfo[NL80211_STA_INFO_T_OFFSET]));
214 
215 	if (sinfo[NL80211_STA_INFO_TX_BITRATE]) {
216 		char buf[100];
217 
218 		parse_bitrate(sinfo[NL80211_STA_INFO_TX_BITRATE], buf, sizeof(buf));
219 		printf("\n\ttx bitrate:\t%s", buf);
220 	}
221 
222 	if (sinfo[NL80211_STA_INFO_RX_BITRATE]) {
223 		char buf[100];
224 
225 		parse_bitrate(sinfo[NL80211_STA_INFO_RX_BITRATE], buf, sizeof(buf));
226 		printf("\n\trx bitrate:\t%s", buf);
227 	}
228 
229 	if (sinfo[NL80211_STA_INFO_EXPECTED_THROUGHPUT]) {
230 		uint32_t thr;
231 
232 		thr = nla_get_u32(sinfo[NL80211_STA_INFO_EXPECTED_THROUGHPUT]);
233 		/* convert in Mbps but scale by 1000 to save kbps units */
234 		thr = thr * 1000 / 1024;
235 
236 		printf("\n\texpected throughput:\t%u.%uMbps",
237 		       thr / 1000, thr % 1000);
238 	}
239 
240 	if (sinfo[NL80211_STA_INFO_LLID])
241 		printf("\n\tmesh llid:\t%d",
242 			nla_get_u16(sinfo[NL80211_STA_INFO_LLID]));
243 	if (sinfo[NL80211_STA_INFO_PLID])
244 		printf("\n\tmesh plid:\t%d",
245 			nla_get_u16(sinfo[NL80211_STA_INFO_PLID]));
246 	if (sinfo[NL80211_STA_INFO_PLINK_STATE]) {
247 		switch (nla_get_u8(sinfo[NL80211_STA_INFO_PLINK_STATE])) {
248 		case LISTEN:
249 			strcpy(state_name, "LISTEN");
250 			break;
251 		case OPN_SNT:
252 			strcpy(state_name, "OPN_SNT");
253 			break;
254 		case OPN_RCVD:
255 			strcpy(state_name, "OPN_RCVD");
256 			break;
257 		case CNF_RCVD:
258 			strcpy(state_name, "CNF_RCVD");
259 			break;
260 		case ESTAB:
261 			strcpy(state_name, "ESTAB");
262 			break;
263 		case HOLDING:
264 			strcpy(state_name, "HOLDING");
265 			break;
266 		case BLOCKED:
267 			strcpy(state_name, "BLOCKED");
268 			break;
269 		default:
270 			strcpy(state_name, "UNKNOWN");
271 			break;
272 		}
273 		printf("\n\tmesh plink:\t%s", state_name);
274 	}
275 	if (sinfo[NL80211_STA_INFO_LOCAL_PM]) {
276 		printf("\n\tmesh local PS mode:\t");
277 		print_power_mode(sinfo[NL80211_STA_INFO_LOCAL_PM]);
278 	}
279 	if (sinfo[NL80211_STA_INFO_PEER_PM]) {
280 		printf("\n\tmesh peer PS mode:\t");
281 		print_power_mode(sinfo[NL80211_STA_INFO_PEER_PM]);
282 	}
283 	if (sinfo[NL80211_STA_INFO_NONPEER_PM]) {
284 		printf("\n\tmesh non-peer PS mode:\t");
285 		print_power_mode(sinfo[NL80211_STA_INFO_NONPEER_PM]);
286 	}
287 
288 	if (sinfo[NL80211_STA_INFO_STA_FLAGS]) {
289 		sta_flags = (struct nl80211_sta_flag_update *)
290 			    nla_data(sinfo[NL80211_STA_INFO_STA_FLAGS]);
291 
292 		if (sta_flags->mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
293 			printf("\n\tauthorized:\t");
294 			if (sta_flags->set & BIT(NL80211_STA_FLAG_AUTHORIZED))
295 				printf("yes");
296 			else
297 				printf("no");
298 		}
299 
300 		if (sta_flags->mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) {
301 			printf("\n\tauthenticated:\t");
302 			if (sta_flags->set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
303 				printf("yes");
304 			else
305 				printf("no");
306 		}
307 
308 		if (sta_flags->mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
309 			printf("\n\tpreamble:\t");
310 			if (sta_flags->set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
311 				printf("short");
312 			else
313 				printf("long");
314 		}
315 
316 		if (sta_flags->mask & BIT(NL80211_STA_FLAG_WME)) {
317 			printf("\n\tWMM/WME:\t");
318 			if (sta_flags->set & BIT(NL80211_STA_FLAG_WME))
319 				printf("yes");
320 			else
321 				printf("no");
322 		}
323 
324 		if (sta_flags->mask & BIT(NL80211_STA_FLAG_MFP)) {
325 			printf("\n\tMFP:\t\t");
326 			if (sta_flags->set & BIT(NL80211_STA_FLAG_MFP))
327 				printf("yes");
328 			else
329 				printf("no");
330 		}
331 
332 		if (sta_flags->mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
333 			printf("\n\tTDLS peer:\t");
334 			if (sta_flags->set & BIT(NL80211_STA_FLAG_TDLS_PEER))
335 				printf("yes");
336 			else
337 				printf("no");
338 		}
339 	}
340 
341 	if (sinfo[NL80211_STA_INFO_CONNECTED_TIME])
342 		printf("\n\tconnected time:\t%u seconds",
343 			nla_get_u32(sinfo[NL80211_STA_INFO_CONNECTED_TIME]));
344 
345 	printf("\n");
346 	return NL_SKIP;
347 }
348 
handle_station_get(struct nl80211_state * state,struct nl_cb * cb,struct nl_msg * msg,int argc,char ** argv,enum id_input id)349 static int handle_station_get(struct nl80211_state *state,
350 			      struct nl_cb *cb,
351 			      struct nl_msg *msg,
352 			      int argc, char **argv,
353 			      enum id_input id)
354 {
355 	unsigned char mac_addr[ETH_ALEN];
356 
357 	if (argc < 1)
358 		return 1;
359 
360 	if (mac_addr_a2n(mac_addr, argv[0])) {
361 		fprintf(stderr, "invalid mac address\n");
362 		return 2;
363 	}
364 
365 	argc--;
366 	argv++;
367 
368 	if (argc)
369 		return 1;
370 
371 	NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr);
372 
373 	nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, print_sta_handler, NULL);
374 
375 	return 0;
376  nla_put_failure:
377 	return -ENOBUFS;
378 }
379 COMMAND(station, get, "<MAC address>",
380 	NL80211_CMD_GET_STATION, 0, CIB_NETDEV, handle_station_get,
381 	"Get information for a specific station.");
382 COMMAND(station, del, "<MAC address>",
383 	NL80211_CMD_DEL_STATION, 0, CIB_NETDEV, handle_station_get,
384 	"Remove the given station entry (use with caution!)");
385 
386 static const struct cmd *station_set_plink;
387 static const struct cmd *station_set_vlan;
388 static const struct cmd *station_set_mesh_power_mode;
389 
select_station_cmd(int argc,char ** argv)390 static const struct cmd *select_station_cmd(int argc, char **argv)
391 {
392 	if (argc < 2)
393 		return NULL;
394 	if (strcmp(argv[1], "plink_action") == 0)
395 		return station_set_plink;
396 	if (strcmp(argv[1], "vlan") == 0)
397 		return station_set_vlan;
398 	if (strcmp(argv[1], "mesh_power_mode") == 0)
399 		return station_set_mesh_power_mode;
400 	return NULL;
401 }
402 
handle_station_set_plink(struct nl80211_state * state,struct nl_cb * cb,struct nl_msg * msg,int argc,char ** argv,enum id_input id)403 static int handle_station_set_plink(struct nl80211_state *state,
404 			      struct nl_cb *cb,
405 			      struct nl_msg *msg,
406 			      int argc, char **argv,
407 			      enum id_input id)
408 {
409 	unsigned char plink_action;
410 	unsigned char mac_addr[ETH_ALEN];
411 
412 	if (argc < 3)
413 		return 1;
414 
415 	if (mac_addr_a2n(mac_addr, argv[0])) {
416 		fprintf(stderr, "invalid mac address\n");
417 		return 2;
418 	}
419 	argc--;
420 	argv++;
421 
422 	if (strcmp("plink_action", argv[0]) != 0)
423 		return 1;
424 	argc--;
425 	argv++;
426 
427 	if (strcmp("open", argv[0]) == 0)
428 		plink_action = NL80211_PLINK_ACTION_OPEN;
429 	else if (strcmp("block", argv[0]) == 0)
430 		plink_action = NL80211_PLINK_ACTION_BLOCK;
431 	else {
432 		fprintf(stderr, "plink action not supported\n");
433 		return 2;
434 	}
435 	argc--;
436 	argv++;
437 
438 	if (argc)
439 		return 1;
440 
441 	NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr);
442 	NLA_PUT_U8(msg, NL80211_ATTR_STA_PLINK_ACTION, plink_action);
443 
444 	return 0;
445  nla_put_failure:
446 	return -ENOBUFS;
447 }
448 COMMAND_ALIAS(station, set, "<MAC address> plink_action <open|block>",
449 	NL80211_CMD_SET_STATION, 0, CIB_NETDEV, handle_station_set_plink,
450 	"Set mesh peer link action for this station (peer).",
451 	select_station_cmd, station_set_plink);
452 
handle_station_set_vlan(struct nl80211_state * state,struct nl_cb * cb,struct nl_msg * msg,int argc,char ** argv,enum id_input id)453 static int handle_station_set_vlan(struct nl80211_state *state,
454 				   struct nl_cb *cb,
455 				   struct nl_msg *msg,
456 				   int argc, char **argv,
457 				   enum id_input id)
458 {
459 	unsigned char mac_addr[ETH_ALEN];
460 	unsigned long sta_vlan = 0;
461 	char *err = NULL;
462 
463 	if (argc < 3)
464 		return 1;
465 
466 	if (mac_addr_a2n(mac_addr, argv[0])) {
467 		fprintf(stderr, "invalid mac address\n");
468 		return 2;
469 	}
470 	argc--;
471 	argv++;
472 
473 	if (strcmp("vlan", argv[0]) != 0)
474 		return 1;
475 	argc--;
476 	argv++;
477 
478 	sta_vlan = strtoul(argv[0], &err, 0);
479 	if (err && *err) {
480 		fprintf(stderr, "invalid vlan id\n");
481 		return 2;
482 	}
483 	argc--;
484 	argv++;
485 
486 	if (argc)
487 		return 1;
488 
489 	NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr);
490 	NLA_PUT_U32(msg, NL80211_ATTR_STA_VLAN, sta_vlan);
491 
492 	return 0;
493  nla_put_failure:
494 	return -ENOBUFS;
495 }
496 COMMAND_ALIAS(station, set, "<MAC address> vlan <ifindex>",
497 	NL80211_CMD_SET_STATION, 0, CIB_NETDEV, handle_station_set_vlan,
498 	"Set an AP VLAN for this station.",
499 	select_station_cmd, station_set_vlan);
500 
handle_station_set_mesh_power_mode(struct nl80211_state * state,struct nl_cb * cb,struct nl_msg * msg,int argc,char ** argv,enum id_input id)501 static int handle_station_set_mesh_power_mode(struct nl80211_state *state,
502 					      struct nl_cb *cb,
503 					      struct nl_msg *msg,
504 					      int argc, char **argv,
505 					      enum id_input id)
506 {
507 	unsigned char mesh_power_mode;
508 	unsigned char mac_addr[ETH_ALEN];
509 
510 	if (argc < 3)
511 		return 1;
512 
513 	if (mac_addr_a2n(mac_addr, argv[0])) {
514 		fprintf(stderr, "invalid mac address\n");
515 		return 2;
516 	}
517 	argc--;
518 	argv++;
519 
520 	if (strcmp("mesh_power_mode", argv[0]) != 0)
521 		return 1;
522 	argc--;
523 	argv++;
524 
525 	if (strcmp("active", argv[0]) == 0)
526 		mesh_power_mode = NL80211_MESH_POWER_ACTIVE;
527 	else if (strcmp("light", argv[0]) == 0)
528 		mesh_power_mode = NL80211_MESH_POWER_LIGHT_SLEEP;
529 	else if (strcmp("deep", argv[0]) == 0)
530 		mesh_power_mode = NL80211_MESH_POWER_DEEP_SLEEP;
531 	else {
532 		fprintf(stderr, "unknown mesh power mode\n");
533 		return 2;
534 	}
535 	argc--;
536 	argv++;
537 
538 	if (argc)
539 		return 1;
540 
541 	NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr);
542 	NLA_PUT_U32(msg, NL80211_ATTR_LOCAL_MESH_POWER_MODE, mesh_power_mode);
543 
544 	return 0;
545 nla_put_failure:
546 	return -ENOBUFS;
547 }
548 COMMAND_ALIAS(station, set, "<MAC address> mesh_power_mode "
549 	"<active|light|deep>", NL80211_CMD_SET_STATION, 0, CIB_NETDEV,
550 	handle_station_set_mesh_power_mode,
551 	"Set link-specific mesh power mode for this station",
552 	select_station_cmd, station_set_mesh_power_mode);
553 
handle_station_dump(struct nl80211_state * state,struct nl_cb * cb,struct nl_msg * msg,int argc,char ** argv,enum id_input id)554 static int handle_station_dump(struct nl80211_state *state,
555 			       struct nl_cb *cb,
556 			       struct nl_msg *msg,
557 			       int argc, char **argv,
558 			       enum id_input id)
559 {
560 	nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, print_sta_handler, NULL);
561 	return 0;
562 }
563 COMMAND(station, dump, NULL,
564 	NL80211_CMD_GET_STATION, NLM_F_DUMP, CIB_NETDEV, handle_station_dump,
565 	"List all stations known, e.g. the AP on managed interfaces");
566