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Commit | Line | Data |
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379f8397 | 1 | #include <stdbool.h> |
0f55e0b8 | 2 | #include <errno.h> |
d0260390 | 3 | #include <strings.h> |
91454b65 VK |
4 | #include <sys/param.h> |
5 | #include <sys/stat.h> | |
6 | #include <fcntl.h> | |
0f55e0b8 JB |
7 | |
8 | #include <netlink/genl/genl.h> | |
9 | #include <netlink/genl/family.h> | |
10 | #include <netlink/genl/ctrl.h> | |
11 | #include <netlink/msg.h> | |
12 | #include <netlink/attr.h> | |
13 | ||
f408e01b | 14 | #include "nl80211.h" |
0f55e0b8 JB |
15 | #include "iw.h" |
16 | ||
db9d4050 RM |
17 | struct channels_ctx { |
18 | int last_band; | |
19 | bool width_40; | |
20 | bool width_80; | |
21 | bool width_160; | |
22 | }; | |
23 | ||
24 | static char *dfs_state_name(enum nl80211_dfs_state state) | |
25 | { | |
26 | switch (state) { | |
27 | case NL80211_DFS_USABLE: | |
28 | return "usable"; | |
29 | case NL80211_DFS_AVAILABLE: | |
30 | return "available"; | |
31 | case NL80211_DFS_UNAVAILABLE: | |
32 | return "unavailable"; | |
33 | default: | |
34 | return "unknown"; | |
35 | } | |
36 | } | |
37 | ||
38 | static int print_channels_handler(struct nl_msg *msg, void *arg) | |
39 | { | |
40 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
41 | struct channels_ctx *ctx = arg; | |
42 | struct nlattr *tb_msg[NL80211_ATTR_MAX + 1]; | |
43 | struct nlattr *tb_band[NL80211_BAND_ATTR_MAX + 1]; | |
44 | struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1]; | |
45 | struct nlattr *nl_band; | |
46 | struct nlattr *nl_freq; | |
47 | int rem_band, rem_freq; | |
48 | ||
49 | nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), genlmsg_attrlen(gnlh, 0), NULL); | |
50 | ||
51 | if (tb_msg[NL80211_ATTR_WIPHY_BANDS]) { | |
52 | nla_for_each_nested(nl_band, tb_msg[NL80211_ATTR_WIPHY_BANDS], rem_band) { | |
53 | if (ctx->last_band != nl_band->nla_type) { | |
54 | printf("Band %d:\n", nl_band->nla_type + 1); | |
55 | ctx->width_40 = false; | |
56 | ctx->width_80 = false; | |
57 | ctx->width_160 = false; | |
58 | ctx->last_band = nl_band->nla_type; | |
59 | } | |
60 | ||
61 | nla_parse(tb_band, NL80211_BAND_ATTR_MAX, nla_data(nl_band), nla_len(nl_band), NULL); | |
62 | ||
63 | if (tb_band[NL80211_BAND_ATTR_HT_CAPA]) { | |
64 | __u16 cap = nla_get_u16(tb_band[NL80211_BAND_ATTR_HT_CAPA]); | |
65 | ||
66 | if (cap & BIT(1)) | |
67 | ctx->width_40 = true; | |
68 | } | |
69 | ||
70 | if (tb_band[NL80211_BAND_ATTR_VHT_CAPA]) { | |
71 | __u32 capa; | |
72 | ||
73 | ctx->width_80 = true; | |
74 | ||
75 | capa = nla_get_u32(tb_band[NL80211_BAND_ATTR_VHT_CAPA]); | |
76 | switch ((capa >> 2) & 3) { | |
77 | case 2: | |
78 | /* width_80p80 = true; */ | |
79 | /* fall through */ | |
80 | case 1: | |
81 | ctx->width_160 = true; | |
82 | break; | |
83 | } | |
84 | } | |
85 | ||
86 | if (tb_band[NL80211_BAND_ATTR_FREQS]) { | |
87 | nla_for_each_nested(nl_freq, tb_band[NL80211_BAND_ATTR_FREQS], rem_freq) { | |
88 | uint32_t freq; | |
89 | ||
90 | nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX, nla_data(nl_freq), nla_len(nl_freq), NULL); | |
91 | ||
92 | if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ]) | |
93 | continue; | |
94 | freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]); | |
95 | printf("\t* %d MHz [%d] ", freq, ieee80211_frequency_to_channel(freq)); | |
96 | ||
97 | if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED]) { | |
98 | printf("(disabled)\n"); | |
99 | continue; | |
100 | } | |
101 | printf("\n"); | |
102 | ||
103 | if (tb_freq[NL80211_FREQUENCY_ATTR_MAX_TX_POWER]) | |
104 | printf("\t Maximum TX power: %.1f dBm\n", 0.01 * nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_MAX_TX_POWER])); | |
105 | ||
106 | /* If both flags are set assume an new kernel */ | |
107 | if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IR] && tb_freq[__NL80211_FREQUENCY_ATTR_NO_IBSS]) { | |
108 | printf("\t No IR\n"); | |
109 | } else if (tb_freq[NL80211_FREQUENCY_ATTR_PASSIVE_SCAN]) { | |
110 | printf("\t Passive scan\n"); | |
111 | } else if (tb_freq[__NL80211_FREQUENCY_ATTR_NO_IBSS]){ | |
112 | printf("\t No IBSS\n"); | |
113 | } | |
114 | ||
115 | if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR]) | |
116 | printf("\t Radar detection\n"); | |
117 | ||
118 | printf("\t Channel widths:"); | |
119 | if (!tb_freq[NL80211_FREQUENCY_ATTR_NO_20MHZ]) | |
120 | printf(" 20MHz"); | |
121 | if (ctx->width_40 && !tb_freq[NL80211_FREQUENCY_ATTR_NO_HT40_MINUS]) | |
122 | printf(" HT40-"); | |
123 | if (ctx->width_40 && !tb_freq[NL80211_FREQUENCY_ATTR_NO_HT40_PLUS]) | |
124 | printf(" HT40+"); | |
125 | if (ctx->width_80 && !tb_freq[NL80211_FREQUENCY_ATTR_NO_80MHZ]) | |
126 | printf(" VHT80"); | |
127 | if (ctx->width_160 && !tb_freq[NL80211_FREQUENCY_ATTR_NO_160MHZ]) | |
128 | printf(" VHT160"); | |
129 | printf("\n"); | |
130 | ||
131 | if (!tb_freq[NL80211_FREQUENCY_ATTR_DISABLED] && tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]) { | |
132 | enum nl80211_dfs_state state = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]); | |
133 | unsigned long time; | |
134 | ||
135 | printf("\t DFS state: %s", dfs_state_name(state)); | |
136 | if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_TIME]) { | |
137 | time = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_TIME]); | |
138 | printf(" (for %lu sec)", time / 1000); | |
139 | } | |
140 | printf("\n"); | |
141 | if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]) | |
142 | printf("\t DFS CAC time: %u ms\n", | |
143 | nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME])); | |
144 | } | |
145 | } | |
146 | } | |
147 | } | |
148 | } | |
149 | ||
150 | return NL_SKIP; | |
151 | } | |
152 | ||
153 | static int handle_channels(struct nl80211_state *state, struct nl_msg *msg, | |
154 | int argc, char **argv, enum id_input id) | |
155 | { | |
156 | static struct channels_ctx ctx = { | |
157 | .last_band = -1, | |
158 | }; | |
159 | ||
160 | nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP); | |
161 | nlmsg_hdr(msg)->nlmsg_flags |= NLM_F_DUMP; | |
162 | ||
163 | register_handler(print_channels_handler, &ctx); | |
164 | ||
165 | return 0; | |
166 | } | |
167 | TOPLEVEL(channels, NULL, NL80211_CMD_GET_WIPHY, 0, CIB_PHY, handle_channels, "Show available channels."); | |
168 | ||
7c37a24d | 169 | static int handle_name(struct nl80211_state *state, |
0f55e0b8 | 170 | struct nl_msg *msg, |
05514f95 JB |
171 | int argc, char **argv, |
172 | enum id_input id) | |
0f55e0b8 | 173 | { |
0f55e0b8 | 174 | if (argc != 1) |
5e75fd04 | 175 | return 1; |
0f55e0b8 JB |
176 | |
177 | NLA_PUT_STRING(msg, NL80211_ATTR_WIPHY_NAME, *argv); | |
178 | ||
70391ccf | 179 | return 0; |
0f55e0b8 | 180 | nla_put_failure: |
70391ccf | 181 | return -ENOBUFS; |
0f55e0b8 | 182 | } |
cea8fa1c JB |
183 | COMMAND(set, name, "<new name>", NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_name, |
184 | "Rename this wireless device."); | |
b822cda9 | 185 | |
34b23014 | 186 | static int handle_freq(struct nl80211_state *state, struct nl_msg *msg, |
05514f95 JB |
187 | int argc, char **argv, |
188 | enum id_input id) | |
379f8397 | 189 | { |
159d5e42 BB |
190 | struct chandef chandef; |
191 | int res; | |
192 | ||
193 | res = parse_freqchan(&chandef, false, argc, argv, NULL); | |
194 | if (res) | |
195 | return res; | |
196 | ||
197 | return put_chandef(msg, &chandef); | |
379f8397 | 198 | } |
159d5e42 BB |
199 | |
200 | COMMAND(set, freq, | |
201 | "<freq> [NOHT|HT20|HT40+|HT40-|5MHz|10MHz|80MHz]\n" | |
202 | "<control freq> [5|10|20|40|80|80+80|160] [<center1_freq> [<center2_freq>]]", | |
00c448b2 JB |
203 | NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_freq, |
204 | "Set frequency/channel the hardware is using, including HT\n" | |
205 | "configuration."); | |
159d5e42 BB |
206 | COMMAND(set, freq, |
207 | "<freq> [NOHT|HT20|HT40+|HT40-|5MHz|10MHz|80MHz]\n" | |
208 | "<control freq> [5|10|20|40|80|80+80|160] [<center1_freq> [<center2_freq>]]", | |
01ae06f9 | 209 | NL80211_CMD_SET_WIPHY, 0, CIB_NETDEV, handle_freq, NULL); |
379f8397 | 210 | |
34b23014 | 211 | static int handle_chan(struct nl80211_state *state, struct nl_msg *msg, |
05514f95 JB |
212 | int argc, char **argv, |
213 | enum id_input id) | |
379f8397 | 214 | { |
159d5e42 BB |
215 | struct chandef chandef; |
216 | int res; | |
217 | ||
218 | res = parse_freqchan(&chandef, true, argc, argv, NULL); | |
219 | if (res) | |
220 | return res; | |
221 | ||
222 | return put_chandef(msg, &chandef); | |
379f8397 | 223 | } |
159d5e42 | 224 | COMMAND(set, channel, "<channel> [NOHT|HT20|HT40+|HT40-|5MHz|10MHz|80MHz]", |
01ae06f9 | 225 | NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_chan, NULL); |
159d5e42 | 226 | COMMAND(set, channel, "<channel> [NOHT|HT20|HT40+|HT40-|5MHz|10MHz|80MHz]", |
01ae06f9 | 227 | NL80211_CMD_SET_WIPHY, 0, CIB_NETDEV, handle_chan, NULL); |
625aa4ae | 228 | |
2ba2f599 BB |
229 | |
230 | struct cac_event { | |
231 | int ret; | |
232 | uint32_t freq; | |
233 | }; | |
234 | ||
235 | static int print_cac_event(struct nl_msg *msg, void *arg) | |
236 | { | |
237 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
238 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
239 | enum nl80211_radar_event event_type; | |
240 | struct cac_event *cac_event = arg; | |
241 | uint32_t freq; | |
242 | ||
243 | if (gnlh->cmd != NL80211_CMD_RADAR_DETECT) | |
244 | return NL_SKIP; | |
245 | ||
246 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
247 | genlmsg_attrlen(gnlh, 0), NULL); | |
248 | ||
249 | if (!tb[NL80211_ATTR_RADAR_EVENT] || !tb[NL80211_ATTR_WIPHY_FREQ]) | |
250 | return NL_SKIP; | |
251 | ||
252 | freq = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]); | |
253 | event_type = nla_get_u32(tb[NL80211_ATTR_RADAR_EVENT]); | |
254 | if (freq != cac_event->freq) | |
255 | return NL_SKIP; | |
256 | ||
257 | switch (event_type) { | |
258 | case NL80211_RADAR_DETECTED: | |
259 | printf("%d MHz: radar detected\n", freq); | |
260 | break; | |
261 | case NL80211_RADAR_CAC_FINISHED: | |
262 | printf("%d MHz: CAC finished\n", freq); | |
263 | break; | |
264 | case NL80211_RADAR_CAC_ABORTED: | |
265 | printf("%d MHz: CAC was aborted\n", freq); | |
266 | break; | |
267 | case NL80211_RADAR_NOP_FINISHED: | |
268 | printf("%d MHz: NOP finished\n", freq); | |
269 | break; | |
270 | default: | |
271 | printf("%d MHz: unknown radar event\n", freq); | |
272 | } | |
273 | cac_event->ret = 0; | |
274 | ||
275 | return NL_SKIP; | |
276 | } | |
277 | ||
278 | static int handle_cac_trigger(struct nl80211_state *state, | |
279 | struct nl_msg *msg, | |
280 | int argc, char **argv, | |
281 | enum id_input id) | |
282 | { | |
283 | struct chandef chandef; | |
284 | int res; | |
285 | ||
286 | if (argc < 2) | |
287 | return 1; | |
288 | ||
289 | if (strcmp(argv[0], "channel") == 0) { | |
290 | res = parse_freqchan(&chandef, true, argc - 1, argv + 1, NULL); | |
291 | } else if (strcmp(argv[0], "freq") == 0) { | |
292 | res = parse_freqchan(&chandef, false, argc - 1, argv + 1, NULL); | |
293 | } else { | |
294 | return 1; | |
295 | } | |
296 | ||
297 | if (res) | |
298 | return res; | |
299 | ||
300 | return put_chandef(msg, &chandef); | |
301 | } | |
302 | ||
303 | static int no_seq_check(struct nl_msg *msg, void *arg) | |
304 | { | |
305 | return NL_OK; | |
306 | } | |
307 | ||
308 | static int handle_cac(struct nl80211_state *state, | |
309 | struct nl_msg *msg, | |
310 | int argc, char **argv, | |
311 | enum id_input id) | |
312 | { | |
313 | int err; | |
314 | struct nl_cb *radar_cb; | |
315 | struct chandef chandef; | |
316 | struct cac_event cac_event; | |
317 | char **cac_trigger_argv = NULL; | |
318 | ||
319 | radar_cb = nl_cb_alloc(iw_debug ? NL_CB_DEBUG : NL_CB_DEFAULT); | |
320 | if (!radar_cb) | |
321 | return 1; | |
322 | ||
323 | if (argc < 3) | |
324 | return 1; | |
325 | ||
326 | if (strcmp(argv[2], "channel") == 0) { | |
327 | err = parse_freqchan(&chandef, true, argc - 3, argv + 3, NULL); | |
328 | } else if (strcmp(argv[2], "freq") == 0) { | |
329 | err = parse_freqchan(&chandef, false, argc - 3, argv + 3, NULL); | |
330 | } else { | |
331 | return 1; | |
332 | } | |
333 | ||
334 | cac_trigger_argv = calloc(argc + 1, sizeof(char*)); | |
335 | if (!cac_trigger_argv) | |
336 | return -ENOMEM; | |
337 | ||
338 | cac_trigger_argv[0] = argv[0]; | |
339 | cac_trigger_argv[1] = "cac"; | |
340 | cac_trigger_argv[2] = "trigger"; | |
341 | memcpy(&cac_trigger_argv[3], &argv[2], (argc - 2) * sizeof(char*)); | |
342 | ||
343 | err = handle_cmd(state, id, argc + 1, cac_trigger_argv); | |
344 | free(cac_trigger_argv); | |
345 | if (err) | |
346 | return err; | |
347 | ||
348 | cac_event.ret = 1; | |
349 | cac_event.freq = chandef.control_freq; | |
350 | ||
351 | __prepare_listen_events(state); | |
352 | nl_socket_set_cb(state->nl_sock, radar_cb); | |
353 | ||
354 | /* need to turn off sequence number checking */ | |
355 | nl_cb_set(radar_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, no_seq_check, NULL); | |
356 | nl_cb_set(radar_cb, NL_CB_VALID, NL_CB_CUSTOM, print_cac_event, &cac_event); | |
357 | while (cac_event.ret > 0) | |
358 | nl_recvmsgs(state->nl_sock, radar_cb); | |
359 | ||
360 | return 0; | |
361 | } | |
362 | TOPLEVEL(cac, "channel <channel> [NOHT|HT20|HT40+|HT40-|5MHz|10MHz|80MHz]\n" | |
363 | "freq <freq> [NOHT|HT20|HT40+|HT40-|5MHz|10MHz|80MHz]\n" | |
364 | "freq <control freq> [5|10|20|40|80|80+80|160] [<center1_freq> [<center2_freq>]]", | |
365 | 0, 0, CIB_NETDEV, handle_cac, NULL); | |
366 | COMMAND(cac, trigger, | |
367 | "channel <channel> [NOHT|HT20|HT40+|HT40-|5MHz|10MHz|80MHz]\n" | |
368 | "freq <frequency> [NOHT|HT20|HT40+|HT40-|5MHz|10MHz|80MHz]\n" | |
369 | "freq <frequency> [5|10|20|40|80|80+80|160] [<center1_freq> [<center2_freq>]]", | |
370 | NL80211_CMD_RADAR_DETECT, 0, CIB_NETDEV, handle_cac_trigger, | |
371 | "Start or trigger a channel availability check (CAC) looking to look for\n" | |
372 | "radars on the given channel."); | |
373 | ||
625aa4ae | 374 | static int handle_fragmentation(struct nl80211_state *state, |
34b23014 | 375 | struct nl_msg *msg, |
05514f95 JB |
376 | int argc, char **argv, |
377 | enum id_input id) | |
625aa4ae JB |
378 | { |
379 | unsigned int frag; | |
380 | ||
381 | if (argc != 1) | |
382 | return 1; | |
383 | ||
384 | if (strcmp("off", argv[0]) == 0) | |
385 | frag = -1; | |
e86b7e02 JB |
386 | else { |
387 | char *end; | |
388 | ||
389 | if (!*argv[0]) | |
390 | return 1; | |
391 | frag = strtoul(argv[0], &end, 10); | |
392 | if (*end != '\0') | |
393 | return 1; | |
394 | } | |
625aa4ae JB |
395 | |
396 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, frag); | |
397 | ||
398 | return 0; | |
399 | nla_put_failure: | |
400 | return -ENOBUFS; | |
401 | } | |
402 | COMMAND(set, frag, "<fragmentation threshold|off>", | |
403 | NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_fragmentation, | |
404 | "Set fragmentation threshold."); | |
405 | ||
406 | static int handle_rts(struct nl80211_state *state, | |
34b23014 | 407 | struct nl_msg *msg, |
05514f95 JB |
408 | int argc, char **argv, |
409 | enum id_input id) | |
625aa4ae JB |
410 | { |
411 | unsigned int rts; | |
412 | ||
413 | if (argc != 1) | |
414 | return 1; | |
415 | ||
416 | if (strcmp("off", argv[0]) == 0) | |
417 | rts = -1; | |
e86b7e02 JB |
418 | else { |
419 | char *end; | |
420 | ||
421 | if (!*argv[0]) | |
422 | return 1; | |
423 | rts = strtoul(argv[0], &end, 10); | |
424 | if (*end != '\0') | |
425 | return 1; | |
426 | } | |
625aa4ae JB |
427 | |
428 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, rts); | |
429 | ||
430 | return 0; | |
431 | nla_put_failure: | |
432 | return -ENOBUFS; | |
433 | } | |
434 | COMMAND(set, rts, "<rts threshold|off>", | |
435 | NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_rts, | |
436 | "Set rts threshold."); | |
e960e066 | 437 | |
c993e6e7 | 438 | static int handle_retry(struct nl80211_state *state, |
34b23014 | 439 | struct nl_msg *msg, |
c993e6e7 UR |
440 | int argc, char **argv, enum id_input id) |
441 | { | |
442 | unsigned int retry_short = 0, retry_long = 0; | |
443 | bool have_retry_s = false, have_retry_l = false; | |
444 | int i; | |
445 | enum { | |
446 | S_NONE, | |
447 | S_SHORT, | |
448 | S_LONG, | |
449 | } parser_state = S_NONE; | |
450 | ||
451 | if (!argc || (argc != 2 && argc != 4)) | |
452 | return 1; | |
453 | ||
454 | for (i = 0; i < argc; i++) { | |
455 | char *end; | |
456 | unsigned int tmpul; | |
457 | ||
458 | if (strcmp(argv[i], "short") == 0) { | |
459 | if (have_retry_s) | |
460 | return 1; | |
461 | parser_state = S_SHORT; | |
462 | have_retry_s = true; | |
463 | } else if (strcmp(argv[i], "long") == 0) { | |
464 | if (have_retry_l) | |
465 | return 1; | |
466 | parser_state = S_LONG; | |
467 | have_retry_l = true; | |
468 | } else { | |
469 | tmpul = strtoul(argv[i], &end, 10); | |
470 | if (*end != '\0') | |
471 | return 1; | |
472 | if (!tmpul || tmpul > 255) | |
473 | return -EINVAL; | |
474 | switch (parser_state) { | |
475 | case S_SHORT: | |
476 | retry_short = tmpul; | |
477 | break; | |
478 | case S_LONG: | |
479 | retry_long = tmpul; | |
480 | break; | |
481 | default: | |
482 | return 1; | |
483 | } | |
484 | } | |
485 | } | |
486 | ||
487 | if (!have_retry_s && !have_retry_l) | |
488 | return 1; | |
489 | if (have_retry_s) | |
490 | NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT, retry_short); | |
491 | if (have_retry_l) | |
492 | NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_RETRY_LONG, retry_long); | |
493 | ||
494 | return 0; | |
495 | nla_put_failure: | |
496 | return -ENOBUFS; | |
497 | } | |
498 | COMMAND(set, retry, "[short <limit>] [long <limit>]", | |
499 | NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_retry, | |
500 | "Set retry limit."); | |
501 | ||
91454b65 VK |
502 | #ifndef NETNS_RUN_DIR |
503 | #define NETNS_RUN_DIR "/var/run/netns" | |
504 | #endif | |
c0441e65 | 505 | static int netns_get_fd(const char *name) |
91454b65 VK |
506 | { |
507 | char pathbuf[MAXPATHLEN]; | |
508 | const char *path, *ptr; | |
509 | ||
510 | path = name; | |
511 | ptr = strchr(name, '/'); | |
512 | if (!ptr) { | |
513 | snprintf(pathbuf, sizeof(pathbuf), "%s/%s", | |
514 | NETNS_RUN_DIR, name ); | |
515 | path = pathbuf; | |
516 | } | |
517 | return open(path, O_RDONLY); | |
518 | } | |
519 | ||
e960e066 | 520 | static int handle_netns(struct nl80211_state *state, |
e960e066 | 521 | struct nl_msg *msg, |
05514f95 JB |
522 | int argc, char **argv, |
523 | enum id_input id) | |
e960e066 JB |
524 | { |
525 | char *end; | |
91454b65 | 526 | int fd; |
e960e066 | 527 | |
91454b65 | 528 | if (argc < 1 || !*argv[0]) |
e960e066 JB |
529 | return 1; |
530 | ||
91454b65 VK |
531 | if (argc == 1) { |
532 | NLA_PUT_U32(msg, NL80211_ATTR_PID, | |
533 | strtoul(argv[0], &end, 10)); | |
534 | if (*end != '\0') { | |
535 | printf("Invalid parameter: pid(%s)\n", argv[0]); | |
536 | return 1; | |
537 | } | |
538 | return 0; | |
539 | } | |
540 | ||
541 | if (argc != 2 || strcmp(argv[0], "name")) | |
e86b7e02 JB |
542 | return 1; |
543 | ||
91454b65 VK |
544 | if ((fd = netns_get_fd(argv[1])) >= 0) { |
545 | NLA_PUT_U32(msg, NL80211_ATTR_NETNS_FD, fd); | |
546 | return 0; | |
547 | } else { | |
548 | printf("Invalid parameter: nsname(%s)\n", argv[0]); | |
549 | } | |
e960e066 | 550 | |
91454b65 | 551 | return 1; |
e960e066 | 552 | |
e960e066 JB |
553 | nla_put_failure: |
554 | return -ENOBUFS; | |
555 | } | |
91454b65 | 556 | COMMAND(set, netns, "{ <pid> | name <nsname> }", |
e960e066 | 557 | NL80211_CMD_SET_WIPHY_NETNS, 0, CIB_PHY, handle_netns, |
91454b65 VK |
558 | "Put this wireless device into a different network namespace:\n" |
559 | " <pid> - change network namespace by process id\n" | |
560 | " <nsname> - change network namespace by name from "NETNS_RUN_DIR"\n" | |
561 | " or by absolute path (man ip-netns)\n"); | |
b2f92dd0 LT |
562 | |
563 | static int handle_coverage(struct nl80211_state *state, | |
b2f92dd0 | 564 | struct nl_msg *msg, |
05514f95 JB |
565 | int argc, char **argv, |
566 | enum id_input id) | |
b2f92dd0 | 567 | { |
e86b7e02 | 568 | char *end; |
b2f92dd0 LT |
569 | unsigned int coverage; |
570 | ||
571 | if (argc != 1) | |
572 | return 1; | |
573 | ||
e86b7e02 JB |
574 | if (!*argv[0]) |
575 | return 1; | |
576 | coverage = strtoul(argv[0], &end, 10); | |
b2f92dd0 LT |
577 | if (coverage > 255) |
578 | return 1; | |
579 | ||
e86b7e02 JB |
580 | if (*end) |
581 | return 1; | |
582 | ||
b2f92dd0 LT |
583 | NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS, coverage); |
584 | ||
585 | return 0; | |
586 | nla_put_failure: | |
587 | return -ENOBUFS; | |
588 | } | |
589 | COMMAND(set, coverage, "<coverage class>", | |
590 | NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_coverage, | |
591 | "Set coverage class (1 for every 3 usec of air propagation time).\n" | |
592 | "Valid values: 0 - 255."); | |
593 | ||
594 | static int handle_distance(struct nl80211_state *state, | |
b2f92dd0 | 595 | struct nl_msg *msg, |
05514f95 JB |
596 | int argc, char **argv, |
597 | enum id_input id) | |
b2f92dd0 | 598 | { |
b2f92dd0 LT |
599 | if (argc != 1) |
600 | return 1; | |
601 | ||
e86b7e02 JB |
602 | if (!*argv[0]) |
603 | return 1; | |
604 | ||
e642142d LB |
605 | if (strcmp("auto", argv[0]) == 0) { |
606 | NLA_PUT_FLAG(msg, NL80211_ATTR_WIPHY_DYN_ACK); | |
607 | } else { | |
608 | char *end; | |
609 | unsigned int distance, coverage; | |
e86b7e02 | 610 | |
e642142d | 611 | distance = strtoul(argv[0], &end, 10); |
b2f92dd0 | 612 | |
e642142d LB |
613 | if (*end) |
614 | return 1; | |
b2f92dd0 | 615 | |
e642142d LB |
616 | /* |
617 | * Divide double the distance by the speed of light | |
618 | * in m/usec (300) to get round-trip time in microseconds | |
619 | * and then divide the result by three to get coverage class | |
620 | * as specified in IEEE 802.11-2007 table 7-27. | |
621 | * Values are rounded upwards. | |
622 | */ | |
623 | coverage = (distance + 449) / 450; | |
624 | if (coverage > 255) | |
625 | return 1; | |
626 | ||
627 | NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS, coverage); | |
628 | } | |
b2f92dd0 LT |
629 | |
630 | return 0; | |
631 | nla_put_failure: | |
632 | return -ENOBUFS; | |
633 | } | |
e642142d | 634 | COMMAND(set, distance, "<auto|distance>", |
b2f92dd0 | 635 | NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_distance, |
e642142d LB |
636 | "Enable ACK timeout estimation algorithm (dynack) or set appropriate\n" |
637 | "coverage class for given link distance in meters.\n" | |
638 | "To disable dynack set valid value for coverage class.\n" | |
b2f92dd0 | 639 | "Valid values: 0 - 114750"); |
a0b1f574 JO |
640 | |
641 | static int handle_txpower(struct nl80211_state *state, | |
a0b1f574 | 642 | struct nl_msg *msg, |
05514f95 JB |
643 | int argc, char **argv, |
644 | enum id_input id) | |
a0b1f574 JO |
645 | { |
646 | enum nl80211_tx_power_setting type; | |
647 | int mbm; | |
648 | ||
649 | /* get the required args */ | |
650 | if (argc != 1 && argc != 2) | |
651 | return 1; | |
652 | ||
653 | if (!strcmp(argv[0], "auto")) | |
654 | type = NL80211_TX_POWER_AUTOMATIC; | |
655 | else if (!strcmp(argv[0], "fixed")) | |
656 | type = NL80211_TX_POWER_FIXED; | |
657 | else if (!strcmp(argv[0], "limit")) | |
658 | type = NL80211_TX_POWER_LIMITED; | |
659 | else { | |
660 | printf("Invalid parameter: %s\n", argv[0]); | |
661 | return 2; | |
662 | } | |
663 | ||
664 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_TX_POWER_SETTING, type); | |
665 | ||
666 | if (type != NL80211_TX_POWER_AUTOMATIC) { | |
18e05613 | 667 | char *endptr; |
a0b1f574 JO |
668 | if (argc != 2) { |
669 | printf("Missing TX power level argument.\n"); | |
670 | return 2; | |
671 | } | |
672 | ||
18e05613 | 673 | mbm = strtol(argv[1], &endptr, 10); |
08ec4c6b | 674 | if (*endptr) |
18e05613 | 675 | return 2; |
a0b1f574 JO |
676 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_TX_POWER_LEVEL, mbm); |
677 | } else if (argc != 1) | |
678 | return 1; | |
679 | ||
680 | return 0; | |
681 | ||
682 | nla_put_failure: | |
683 | return -ENOBUFS; | |
684 | } | |
685 | COMMAND(set, txpower, "<auto|fixed|limit> [<tx power in mBm>]", | |
686 | NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_txpower, | |
687 | "Specify transmit power level and setting type."); | |
688 | COMMAND(set, txpower, "<auto|fixed|limit> [<tx power in mBm>]", | |
689 | NL80211_CMD_SET_WIPHY, 0, CIB_NETDEV, handle_txpower, | |
690 | "Specify transmit power level and setting type."); | |
afce7986 BR |
691 | |
692 | static int handle_antenna(struct nl80211_state *state, | |
afce7986 | 693 | struct nl_msg *msg, |
05514f95 JB |
694 | int argc, char **argv, |
695 | enum id_input id) | |
afce7986 BR |
696 | { |
697 | char *end; | |
698 | uint32_t tx_ant = 0, rx_ant = 0; | |
699 | ||
700 | if (argc == 1 && strcmp(argv[0], "all") == 0) { | |
701 | tx_ant = 0xffffffff; | |
702 | rx_ant = 0xffffffff; | |
703 | } else if (argc == 1) { | |
704 | tx_ant = rx_ant = strtoul(argv[0], &end, 0); | |
705 | if (*end) | |
706 | return 1; | |
707 | } | |
708 | else if (argc == 2) { | |
709 | tx_ant = strtoul(argv[0], &end, 0); | |
710 | if (*end) | |
711 | return 1; | |
712 | rx_ant = strtoul(argv[1], &end, 0); | |
713 | if (*end) | |
714 | return 1; | |
715 | } else | |
716 | return 1; | |
717 | ||
718 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_TX, tx_ant); | |
719 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_RX, rx_ant); | |
720 | ||
721 | return 0; | |
722 | ||
723 | nla_put_failure: | |
724 | return -ENOBUFS; | |
725 | } | |
726 | COMMAND(set, antenna, "<bitmap> | all | <tx bitmap> <rx bitmap>", | |
727 | NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_antenna, | |
728 | "Set a bitmap of allowed antennas to use for TX and RX.\n" | |
729 | "The driver may reject antenna configurations it cannot support."); | |
1eb2f5c9 THJ |
730 | |
731 | static int handle_set_txq(struct nl80211_state *state, | |
732 | struct nl_msg *msg, | |
733 | int argc, char **argv, | |
734 | enum id_input id) | |
735 | { | |
736 | unsigned int argval; | |
737 | char *end; | |
738 | ||
739 | if (argc != 2) | |
740 | return 1; | |
741 | ||
742 | if (!*argv[0] || !*argv[1]) | |
743 | return 1; | |
744 | ||
745 | argval = strtoul(argv[1], &end, 10); | |
746 | ||
747 | if (*end) | |
748 | return 1; | |
749 | ||
750 | if (!argval) | |
751 | return 1; | |
752 | ||
753 | if (strcmp("limit", argv[0]) == 0) | |
754 | NLA_PUT_U32(msg, NL80211_ATTR_TXQ_LIMIT, argval); | |
755 | else if (strcmp("memory_limit", argv[0]) == 0) | |
756 | NLA_PUT_U32(msg, NL80211_ATTR_TXQ_MEMORY_LIMIT, argval); | |
757 | else if (strcmp("quantum", argv[0]) == 0) | |
758 | NLA_PUT_U32(msg, NL80211_ATTR_TXQ_QUANTUM, argval); | |
759 | else | |
760 | return -1; | |
761 | ||
762 | return 0; | |
763 | nla_put_failure: | |
764 | return -ENOBUFS; | |
765 | } | |
766 | COMMAND(set, txq, "limit <packets> | memory_limit <bytes> | quantum <bytes>", | |
767 | NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_set_txq, | |
768 | "Set TXQ parameters. The limit and memory_limit are global queue limits\n" | |
769 | "for the whole phy. The quantum is the DRR scheduler quantum setting.\n" | |
770 | "Valid values: 1 - 2**32"); | |
771 | ||
772 | static int print_txq_handler(struct nl_msg *msg, void *arg) | |
773 | { | |
774 | struct nlattr *attrs[NL80211_ATTR_MAX + 1]; | |
775 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
776 | struct nlattr *txqstats_info[NL80211_TXQ_STATS_MAX + 1], *txqinfo; | |
777 | static struct nla_policy txqstats_policy[NL80211_TXQ_STATS_MAX + 1] = { | |
778 | [NL80211_TXQ_STATS_BACKLOG_PACKETS] = { .type = NLA_U32 }, | |
779 | [NL80211_TXQ_STATS_BACKLOG_BYTES] = { .type = NLA_U32 }, | |
780 | [NL80211_TXQ_STATS_OVERLIMIT] = { .type = NLA_U32 }, | |
781 | [NL80211_TXQ_STATS_OVERMEMORY] = { .type = NLA_U32 }, | |
782 | [NL80211_TXQ_STATS_COLLISIONS] = { .type = NLA_U32 }, | |
783 | [NL80211_TXQ_STATS_MAX_FLOWS] = { .type = NLA_U32 }, | |
784 | }; | |
785 | ||
786 | nla_parse(attrs, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
787 | genlmsg_attrlen(gnlh, 0), NULL); | |
788 | ||
789 | ||
790 | if (attrs[NL80211_ATTR_TXQ_LIMIT]) | |
791 | printf("Packet limit:\t\t%u pkts\n", | |
792 | nla_get_u32(attrs[NL80211_ATTR_TXQ_LIMIT])); | |
793 | if (attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]) | |
794 | printf("Memory limit:\t\t%u bytes\n", | |
795 | nla_get_u32(attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT])); | |
796 | if (attrs[NL80211_ATTR_TXQ_QUANTUM]) | |
797 | printf("Quantum:\t\t%u bytes\n", | |
798 | nla_get_u32(attrs[NL80211_ATTR_TXQ_QUANTUM])); | |
799 | ||
800 | if (attrs[NL80211_ATTR_TXQ_STATS]) { | |
801 | if (nla_parse_nested(txqstats_info, NL80211_TXQ_STATS_MAX, | |
802 | attrs[NL80211_ATTR_TXQ_STATS], | |
803 | txqstats_policy)) { | |
804 | printf("failed to parse nested TXQ stats attributes!"); | |
805 | return 0; | |
806 | } | |
807 | txqinfo = txqstats_info[NL80211_TXQ_STATS_MAX_FLOWS]; | |
808 | if (txqinfo) | |
809 | printf("Number of queues:\t%u\n", nla_get_u32(txqinfo)); | |
810 | ||
811 | txqinfo = txqstats_info[NL80211_TXQ_STATS_BACKLOG_PACKETS]; | |
812 | if (txqinfo) | |
813 | printf("Backlog:\t\t%u pkts\n", nla_get_u32(txqinfo)); | |
814 | ||
815 | txqinfo = txqstats_info[NL80211_TXQ_STATS_BACKLOG_BYTES]; | |
816 | if (txqinfo) | |
817 | printf("Memory usage:\t\t%u bytes\n", nla_get_u32(txqinfo)); | |
818 | ||
819 | txqinfo = txqstats_info[NL80211_TXQ_STATS_OVERLIMIT]; | |
820 | if (txqinfo) | |
821 | printf("Packet limit overflows:\t%u\n", nla_get_u32(txqinfo)); | |
822 | ||
823 | txqinfo = txqstats_info[NL80211_TXQ_STATS_OVERMEMORY]; | |
824 | if (txqinfo) | |
825 | printf("Memory limit overflows:\t%u\n", nla_get_u32(txqinfo)); | |
826 | txqinfo = txqstats_info[NL80211_TXQ_STATS_COLLISIONS]; | |
827 | if (txqinfo) | |
828 | printf("Hash collisions:\t%u\n", nla_get_u32(txqinfo)); | |
829 | } | |
830 | return NL_SKIP; | |
831 | } | |
832 | ||
833 | static int handle_get_txq(struct nl80211_state *state, | |
834 | struct nl_msg *msg, | |
835 | int argc, char **argv, | |
836 | enum id_input id) | |
837 | { | |
838 | nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP); | |
839 | nlmsg_hdr(msg)->nlmsg_flags |= NLM_F_DUMP; | |
840 | register_handler(print_txq_handler, NULL); | |
841 | return 0; | |
842 | } | |
843 | COMMAND(get, txq, "", | |
844 | NL80211_CMD_GET_WIPHY, 0, CIB_PHY, handle_get_txq, | |
845 | "Get TXQ parameters."); |