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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> |
3a51540c | 4 | #include <unistd.h> |
91454b65 VK |
5 | #include <sys/param.h> |
6 | #include <sys/stat.h> | |
7 | #include <fcntl.h> | |
0f55e0b8 JB |
8 | |
9 | #include <netlink/genl/genl.h> | |
10 | #include <netlink/genl/family.h> | |
11 | #include <netlink/genl/ctrl.h> | |
12 | #include <netlink/msg.h> | |
13 | #include <netlink/attr.h> | |
14 | ||
f408e01b | 15 | #include "nl80211.h" |
0f55e0b8 JB |
16 | #include "iw.h" |
17 | ||
db9d4050 RM |
18 | struct channels_ctx { |
19 | int last_band; | |
20 | bool width_40; | |
21 | bool width_80; | |
22 | bool width_160; | |
23 | }; | |
24 | ||
25 | static char *dfs_state_name(enum nl80211_dfs_state state) | |
26 | { | |
27 | switch (state) { | |
28 | case NL80211_DFS_USABLE: | |
29 | return "usable"; | |
30 | case NL80211_DFS_AVAILABLE: | |
31 | return "available"; | |
32 | case NL80211_DFS_UNAVAILABLE: | |
33 | return "unavailable"; | |
34 | default: | |
35 | return "unknown"; | |
36 | } | |
37 | } | |
38 | ||
39 | static int print_channels_handler(struct nl_msg *msg, void *arg) | |
40 | { | |
41 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
42 | struct channels_ctx *ctx = arg; | |
43 | struct nlattr *tb_msg[NL80211_ATTR_MAX + 1]; | |
44 | struct nlattr *tb_band[NL80211_BAND_ATTR_MAX + 1]; | |
45 | struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1]; | |
46 | struct nlattr *nl_band; | |
47 | struct nlattr *nl_freq; | |
48 | int rem_band, rem_freq; | |
49 | ||
50 | nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), genlmsg_attrlen(gnlh, 0), NULL); | |
51 | ||
52 | if (tb_msg[NL80211_ATTR_WIPHY_BANDS]) { | |
53 | nla_for_each_nested(nl_band, tb_msg[NL80211_ATTR_WIPHY_BANDS], rem_band) { | |
54 | if (ctx->last_band != nl_band->nla_type) { | |
55 | printf("Band %d:\n", nl_band->nla_type + 1); | |
56 | ctx->width_40 = false; | |
57 | ctx->width_80 = false; | |
58 | ctx->width_160 = false; | |
59 | ctx->last_band = nl_band->nla_type; | |
60 | } | |
61 | ||
62 | nla_parse(tb_band, NL80211_BAND_ATTR_MAX, nla_data(nl_band), nla_len(nl_band), NULL); | |
63 | ||
64 | if (tb_band[NL80211_BAND_ATTR_HT_CAPA]) { | |
65 | __u16 cap = nla_get_u16(tb_band[NL80211_BAND_ATTR_HT_CAPA]); | |
66 | ||
67 | if (cap & BIT(1)) | |
68 | ctx->width_40 = true; | |
69 | } | |
70 | ||
71 | if (tb_band[NL80211_BAND_ATTR_VHT_CAPA]) { | |
72 | __u32 capa; | |
73 | ||
74 | ctx->width_80 = true; | |
75 | ||
76 | capa = nla_get_u32(tb_band[NL80211_BAND_ATTR_VHT_CAPA]); | |
77 | switch ((capa >> 2) & 3) { | |
78 | case 2: | |
79 | /* width_80p80 = true; */ | |
80 | /* fall through */ | |
81 | case 1: | |
82 | ctx->width_160 = true; | |
83 | break; | |
84 | } | |
85 | } | |
86 | ||
87 | if (tb_band[NL80211_BAND_ATTR_FREQS]) { | |
88 | nla_for_each_nested(nl_freq, tb_band[NL80211_BAND_ATTR_FREQS], rem_freq) { | |
89 | uint32_t freq; | |
90 | ||
91 | nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX, nla_data(nl_freq), nla_len(nl_freq), NULL); | |
92 | ||
93 | if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ]) | |
94 | continue; | |
95 | freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]); | |
96 | printf("\t* %d MHz [%d] ", freq, ieee80211_frequency_to_channel(freq)); | |
97 | ||
98 | if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED]) { | |
99 | printf("(disabled)\n"); | |
100 | continue; | |
101 | } | |
102 | printf("\n"); | |
103 | ||
104 | if (tb_freq[NL80211_FREQUENCY_ATTR_MAX_TX_POWER]) | |
105 | printf("\t Maximum TX power: %.1f dBm\n", 0.01 * nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_MAX_TX_POWER])); | |
106 | ||
107 | /* If both flags are set assume an new kernel */ | |
108 | if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IR] && tb_freq[__NL80211_FREQUENCY_ATTR_NO_IBSS]) { | |
109 | printf("\t No IR\n"); | |
110 | } else if (tb_freq[NL80211_FREQUENCY_ATTR_PASSIVE_SCAN]) { | |
111 | printf("\t Passive scan\n"); | |
112 | } else if (tb_freq[__NL80211_FREQUENCY_ATTR_NO_IBSS]){ | |
113 | printf("\t No IBSS\n"); | |
114 | } | |
115 | ||
116 | if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR]) | |
117 | printf("\t Radar detection\n"); | |
118 | ||
119 | printf("\t Channel widths:"); | |
120 | if (!tb_freq[NL80211_FREQUENCY_ATTR_NO_20MHZ]) | |
121 | printf(" 20MHz"); | |
122 | if (ctx->width_40 && !tb_freq[NL80211_FREQUENCY_ATTR_NO_HT40_MINUS]) | |
123 | printf(" HT40-"); | |
124 | if (ctx->width_40 && !tb_freq[NL80211_FREQUENCY_ATTR_NO_HT40_PLUS]) | |
125 | printf(" HT40+"); | |
126 | if (ctx->width_80 && !tb_freq[NL80211_FREQUENCY_ATTR_NO_80MHZ]) | |
127 | printf(" VHT80"); | |
128 | if (ctx->width_160 && !tb_freq[NL80211_FREQUENCY_ATTR_NO_160MHZ]) | |
129 | printf(" VHT160"); | |
130 | printf("\n"); | |
131 | ||
132 | if (!tb_freq[NL80211_FREQUENCY_ATTR_DISABLED] && tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]) { | |
133 | enum nl80211_dfs_state state = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]); | |
134 | unsigned long time; | |
135 | ||
136 | printf("\t DFS state: %s", dfs_state_name(state)); | |
137 | if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_TIME]) { | |
138 | time = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_TIME]); | |
139 | printf(" (for %lu sec)", time / 1000); | |
140 | } | |
141 | printf("\n"); | |
142 | if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]) | |
143 | printf("\t DFS CAC time: %u ms\n", | |
144 | nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME])); | |
145 | } | |
146 | } | |
147 | } | |
148 | } | |
149 | } | |
150 | ||
151 | return NL_SKIP; | |
152 | } | |
153 | ||
154 | static int handle_channels(struct nl80211_state *state, struct nl_msg *msg, | |
155 | int argc, char **argv, enum id_input id) | |
156 | { | |
157 | static struct channels_ctx ctx = { | |
158 | .last_band = -1, | |
159 | }; | |
160 | ||
161 | nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP); | |
162 | nlmsg_hdr(msg)->nlmsg_flags |= NLM_F_DUMP; | |
163 | ||
164 | register_handler(print_channels_handler, &ctx); | |
165 | ||
166 | return 0; | |
167 | } | |
168 | TOPLEVEL(channels, NULL, NL80211_CMD_GET_WIPHY, 0, CIB_PHY, handle_channels, "Show available channels."); | |
169 | ||
7c37a24d | 170 | static int handle_name(struct nl80211_state *state, |
0f55e0b8 | 171 | struct nl_msg *msg, |
05514f95 JB |
172 | int argc, char **argv, |
173 | enum id_input id) | |
0f55e0b8 | 174 | { |
0f55e0b8 | 175 | if (argc != 1) |
5e75fd04 | 176 | return 1; |
0f55e0b8 JB |
177 | |
178 | NLA_PUT_STRING(msg, NL80211_ATTR_WIPHY_NAME, *argv); | |
179 | ||
70391ccf | 180 | return 0; |
0f55e0b8 | 181 | nla_put_failure: |
70391ccf | 182 | return -ENOBUFS; |
0f55e0b8 | 183 | } |
cea8fa1c JB |
184 | COMMAND(set, name, "<new name>", NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_name, |
185 | "Rename this wireless device."); | |
b822cda9 | 186 | |
34b23014 | 187 | static int handle_freq(struct nl80211_state *state, struct nl_msg *msg, |
05514f95 JB |
188 | int argc, char **argv, |
189 | enum id_input id) | |
379f8397 | 190 | { |
159d5e42 BB |
191 | struct chandef chandef; |
192 | int res; | |
193 | ||
a32046bc | 194 | res = parse_freqchan(&chandef, false, argc, argv, NULL, false); |
159d5e42 BB |
195 | if (res) |
196 | return res; | |
197 | ||
198 | return put_chandef(msg, &chandef); | |
379f8397 | 199 | } |
159d5e42 BB |
200 | |
201 | COMMAND(set, freq, | |
997e5f13 | 202 | "<freq> [NOHT|HT20|HT40+|HT40-|5MHz|10MHz|80MHz|160MHz|320MHz]\n" |
159d5e42 | 203 | "<control freq> [5|10|20|40|80|80+80|160] [<center1_freq> [<center2_freq>]]", |
00c448b2 JB |
204 | NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_freq, |
205 | "Set frequency/channel the hardware is using, including HT\n" | |
206 | "configuration."); | |
159d5e42 | 207 | COMMAND(set, freq, |
997e5f13 | 208 | "<freq> [NOHT|HT20|HT40+|HT40-|5MHz|10MHz|80MHz|160MHz|320MHz]\n" |
159d5e42 | 209 | "<control freq> [5|10|20|40|80|80+80|160] [<center1_freq> [<center2_freq>]]", |
01ae06f9 | 210 | NL80211_CMD_SET_WIPHY, 0, CIB_NETDEV, handle_freq, NULL); |
379f8397 | 211 | |
a32046bc GI |
212 | static int handle_freq_khz(struct nl80211_state *state, struct nl_msg *msg, |
213 | int argc, char **argv, | |
214 | enum id_input id) | |
215 | { | |
216 | struct chandef chandef; | |
217 | int res; | |
218 | ||
219 | res = parse_freqchan(&chandef, false, argc, argv, NULL, true); | |
220 | if (res) | |
221 | return res; | |
222 | ||
223 | return put_chandef(msg, &chandef); | |
224 | } | |
225 | ||
226 | COMMAND(set, freq_khz, | |
227 | "<freq> [1MHz|2MHz|4MHz|8MHz|16MHz]\n" | |
228 | "<control freq> [1|2|4|8|16] [<center1_freq> [<center2_freq>]]", | |
229 | NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_freq_khz, | |
230 | "Set frequency in kHz the hardware is using\n" | |
231 | "configuration."); | |
232 | COMMAND(set, freq_khz, | |
233 | "<freq> [1MHz|2MHz|4MHz|8MHz|16MHz]\n" | |
234 | "<control freq> [1|2|4|8|16] [<center1_freq> [<center2_freq>]]", | |
235 | NL80211_CMD_SET_WIPHY, 0, CIB_NETDEV, handle_freq_khz, NULL); | |
236 | ||
34b23014 | 237 | static int handle_chan(struct nl80211_state *state, struct nl_msg *msg, |
05514f95 JB |
238 | int argc, char **argv, |
239 | enum id_input id) | |
379f8397 | 240 | { |
159d5e42 BB |
241 | struct chandef chandef; |
242 | int res; | |
243 | ||
a32046bc | 244 | res = parse_freqchan(&chandef, true, argc, argv, NULL, false); |
159d5e42 BB |
245 | if (res) |
246 | return res; | |
247 | ||
248 | return put_chandef(msg, &chandef); | |
379f8397 | 249 | } |
b6f2dac4 | 250 | COMMAND(set, channel, "<channel> [NOHT|HT20|HT40+|HT40-|5MHz|10MHz|80MHz|160MHz]", |
01ae06f9 | 251 | NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_chan, NULL); |
b6f2dac4 | 252 | COMMAND(set, channel, "<channel> [NOHT|HT20|HT40+|HT40-|5MHz|10MHz|80MHz|160MHz]", |
01ae06f9 | 253 | NL80211_CMD_SET_WIPHY, 0, CIB_NETDEV, handle_chan, NULL); |
625aa4ae | 254 | |
2ba2f599 BB |
255 | |
256 | struct cac_event { | |
257 | int ret; | |
258 | uint32_t freq; | |
259 | }; | |
260 | ||
261 | static int print_cac_event(struct nl_msg *msg, void *arg) | |
262 | { | |
263 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
264 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
265 | enum nl80211_radar_event event_type; | |
266 | struct cac_event *cac_event = arg; | |
267 | uint32_t freq; | |
268 | ||
269 | if (gnlh->cmd != NL80211_CMD_RADAR_DETECT) | |
270 | return NL_SKIP; | |
271 | ||
272 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
273 | genlmsg_attrlen(gnlh, 0), NULL); | |
274 | ||
275 | if (!tb[NL80211_ATTR_RADAR_EVENT] || !tb[NL80211_ATTR_WIPHY_FREQ]) | |
276 | return NL_SKIP; | |
277 | ||
278 | freq = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]); | |
279 | event_type = nla_get_u32(tb[NL80211_ATTR_RADAR_EVENT]); | |
280 | if (freq != cac_event->freq) | |
281 | return NL_SKIP; | |
282 | ||
283 | switch (event_type) { | |
284 | case NL80211_RADAR_DETECTED: | |
285 | printf("%d MHz: radar detected\n", freq); | |
286 | break; | |
287 | case NL80211_RADAR_CAC_FINISHED: | |
288 | printf("%d MHz: CAC finished\n", freq); | |
289 | break; | |
290 | case NL80211_RADAR_CAC_ABORTED: | |
291 | printf("%d MHz: CAC was aborted\n", freq); | |
292 | break; | |
293 | case NL80211_RADAR_NOP_FINISHED: | |
294 | printf("%d MHz: NOP finished\n", freq); | |
295 | break; | |
296 | default: | |
297 | printf("%d MHz: unknown radar event\n", freq); | |
298 | } | |
299 | cac_event->ret = 0; | |
300 | ||
301 | return NL_SKIP; | |
302 | } | |
303 | ||
304 | static int handle_cac_trigger(struct nl80211_state *state, | |
305 | struct nl_msg *msg, | |
306 | int argc, char **argv, | |
307 | enum id_input id) | |
308 | { | |
309 | struct chandef chandef; | |
310 | int res; | |
311 | ||
312 | if (argc < 2) | |
313 | return 1; | |
314 | ||
315 | if (strcmp(argv[0], "channel") == 0) { | |
a32046bc | 316 | res = parse_freqchan(&chandef, true, argc - 1, argv + 1, NULL, false); |
2ba2f599 | 317 | } else if (strcmp(argv[0], "freq") == 0) { |
a32046bc | 318 | res = parse_freqchan(&chandef, false, argc - 1, argv + 1, NULL, false); |
2ba2f599 BB |
319 | } else { |
320 | return 1; | |
321 | } | |
322 | ||
323 | if (res) | |
324 | return res; | |
325 | ||
326 | return put_chandef(msg, &chandef); | |
327 | } | |
328 | ||
82e6fba0 JD |
329 | static int handle_cac_background(struct nl80211_state *state, |
330 | struct nl_msg *msg, | |
331 | int argc, char **argv, | |
332 | enum id_input id) | |
333 | { | |
334 | nla_put_flag(msg, NL80211_ATTR_RADAR_BACKGROUND); | |
335 | return handle_cac_trigger(state, msg, argc, argv, id); | |
336 | } | |
337 | ||
2ba2f599 BB |
338 | static int no_seq_check(struct nl_msg *msg, void *arg) |
339 | { | |
340 | return NL_OK; | |
341 | } | |
342 | ||
343 | static int handle_cac(struct nl80211_state *state, | |
344 | struct nl_msg *msg, | |
345 | int argc, char **argv, | |
346 | enum id_input id) | |
347 | { | |
348 | int err; | |
349 | struct nl_cb *radar_cb; | |
350 | struct chandef chandef; | |
351 | struct cac_event cac_event; | |
352 | char **cac_trigger_argv = NULL; | |
353 | ||
354 | radar_cb = nl_cb_alloc(iw_debug ? NL_CB_DEBUG : NL_CB_DEFAULT); | |
355 | if (!radar_cb) | |
356 | return 1; | |
357 | ||
358 | if (argc < 3) | |
359 | return 1; | |
360 | ||
361 | if (strcmp(argv[2], "channel") == 0) { | |
a32046bc | 362 | err = parse_freqchan(&chandef, true, argc - 3, argv + 3, NULL, false); |
2ba2f599 | 363 | } else if (strcmp(argv[2], "freq") == 0) { |
a32046bc | 364 | err = parse_freqchan(&chandef, false, argc - 3, argv + 3, NULL, false); |
2ba2f599 | 365 | } else { |
6a7cc867 | 366 | err = 1; |
2ba2f599 | 367 | } |
71e6d184 JB |
368 | if (err) |
369 | goto err_out; | |
2ba2f599 BB |
370 | |
371 | cac_trigger_argv = calloc(argc + 1, sizeof(char*)); | |
6a7cc867 JC |
372 | if (!cac_trigger_argv) { |
373 | err = -ENOMEM; | |
374 | goto err_out; | |
375 | } | |
2ba2f599 BB |
376 | |
377 | cac_trigger_argv[0] = argv[0]; | |
378 | cac_trigger_argv[1] = "cac"; | |
379 | cac_trigger_argv[2] = "trigger"; | |
380 | memcpy(&cac_trigger_argv[3], &argv[2], (argc - 2) * sizeof(char*)); | |
381 | ||
382 | err = handle_cmd(state, id, argc + 1, cac_trigger_argv); | |
2ba2f599 | 383 | if (err) |
6a7cc867 | 384 | goto err_out; |
2ba2f599 BB |
385 | |
386 | cac_event.ret = 1; | |
387 | cac_event.freq = chandef.control_freq; | |
388 | ||
389 | __prepare_listen_events(state); | |
390 | nl_socket_set_cb(state->nl_sock, radar_cb); | |
391 | ||
392 | /* need to turn off sequence number checking */ | |
393 | nl_cb_set(radar_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, no_seq_check, NULL); | |
394 | nl_cb_set(radar_cb, NL_CB_VALID, NL_CB_CUSTOM, print_cac_event, &cac_event); | |
395 | while (cac_event.ret > 0) | |
396 | nl_recvmsgs(state->nl_sock, radar_cb); | |
397 | ||
6a7cc867 JC |
398 | err = 0; |
399 | err_out: | |
400 | if (radar_cb) | |
401 | nl_cb_put(radar_cb); | |
402 | if (cac_trigger_argv) | |
403 | free(cac_trigger_argv); | |
404 | return err; | |
2ba2f599 BB |
405 | } |
406 | TOPLEVEL(cac, "channel <channel> [NOHT|HT20|HT40+|HT40-|5MHz|10MHz|80MHz]\n" | |
407 | "freq <freq> [NOHT|HT20|HT40+|HT40-|5MHz|10MHz|80MHz]\n" | |
408 | "freq <control freq> [5|10|20|40|80|80+80|160] [<center1_freq> [<center2_freq>]]", | |
409 | 0, 0, CIB_NETDEV, handle_cac, NULL); | |
410 | COMMAND(cac, trigger, | |
411 | "channel <channel> [NOHT|HT20|HT40+|HT40-|5MHz|10MHz|80MHz]\n" | |
412 | "freq <frequency> [NOHT|HT20|HT40+|HT40-|5MHz|10MHz|80MHz]\n" | |
413 | "freq <frequency> [5|10|20|40|80|80+80|160] [<center1_freq> [<center2_freq>]]", | |
414 | NL80211_CMD_RADAR_DETECT, 0, CIB_NETDEV, handle_cac_trigger, | |
415 | "Start or trigger a channel availability check (CAC) looking to look for\n" | |
416 | "radars on the given channel."); | |
417 | ||
82e6fba0 JD |
418 | COMMAND(cac, background, |
419 | "channel <channel> [NOHT|HT20|HT40+|HT40-|5MHz|10MHz|80MHz]\n" | |
420 | "freq <frequency> [NOHT|HT20|HT40+|HT40-|5MHz|10MHz|80MHz]\n" | |
421 | "freq <frequency> [5|10|20|40|80|80+80|160] [<center1_freq> [<center2_freq>]]", | |
422 | NL80211_CMD_RADAR_DETECT, 0, CIB_NETDEV, handle_cac_background, | |
423 | "Start background channel availability check (CAC) looking to look for\n" | |
424 | "radars on the given channel."); | |
425 | ||
625aa4ae | 426 | static int handle_fragmentation(struct nl80211_state *state, |
34b23014 | 427 | struct nl_msg *msg, |
05514f95 JB |
428 | int argc, char **argv, |
429 | enum id_input id) | |
625aa4ae JB |
430 | { |
431 | unsigned int frag; | |
432 | ||
433 | if (argc != 1) | |
434 | return 1; | |
435 | ||
436 | if (strcmp("off", argv[0]) == 0) | |
437 | frag = -1; | |
e86b7e02 JB |
438 | else { |
439 | char *end; | |
440 | ||
441 | if (!*argv[0]) | |
442 | return 1; | |
443 | frag = strtoul(argv[0], &end, 10); | |
444 | if (*end != '\0') | |
445 | return 1; | |
446 | } | |
625aa4ae JB |
447 | |
448 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, frag); | |
449 | ||
450 | return 0; | |
451 | nla_put_failure: | |
452 | return -ENOBUFS; | |
453 | } | |
454 | COMMAND(set, frag, "<fragmentation threshold|off>", | |
455 | NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_fragmentation, | |
456 | "Set fragmentation threshold."); | |
457 | ||
458 | static int handle_rts(struct nl80211_state *state, | |
34b23014 | 459 | struct nl_msg *msg, |
05514f95 JB |
460 | int argc, char **argv, |
461 | enum id_input id) | |
625aa4ae JB |
462 | { |
463 | unsigned int rts; | |
464 | ||
465 | if (argc != 1) | |
466 | return 1; | |
467 | ||
468 | if (strcmp("off", argv[0]) == 0) | |
469 | rts = -1; | |
e86b7e02 JB |
470 | else { |
471 | char *end; | |
472 | ||
473 | if (!*argv[0]) | |
474 | return 1; | |
475 | rts = strtoul(argv[0], &end, 10); | |
476 | if (*end != '\0') | |
477 | return 1; | |
478 | } | |
625aa4ae JB |
479 | |
480 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, rts); | |
481 | ||
482 | return 0; | |
483 | nla_put_failure: | |
484 | return -ENOBUFS; | |
485 | } | |
486 | COMMAND(set, rts, "<rts threshold|off>", | |
487 | NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_rts, | |
488 | "Set rts threshold."); | |
e960e066 | 489 | |
c993e6e7 | 490 | static int handle_retry(struct nl80211_state *state, |
34b23014 | 491 | struct nl_msg *msg, |
c993e6e7 UR |
492 | int argc, char **argv, enum id_input id) |
493 | { | |
494 | unsigned int retry_short = 0, retry_long = 0; | |
495 | bool have_retry_s = false, have_retry_l = false; | |
496 | int i; | |
497 | enum { | |
498 | S_NONE, | |
499 | S_SHORT, | |
500 | S_LONG, | |
501 | } parser_state = S_NONE; | |
502 | ||
503 | if (!argc || (argc != 2 && argc != 4)) | |
504 | return 1; | |
505 | ||
506 | for (i = 0; i < argc; i++) { | |
507 | char *end; | |
508 | unsigned int tmpul; | |
509 | ||
510 | if (strcmp(argv[i], "short") == 0) { | |
511 | if (have_retry_s) | |
512 | return 1; | |
513 | parser_state = S_SHORT; | |
514 | have_retry_s = true; | |
515 | } else if (strcmp(argv[i], "long") == 0) { | |
516 | if (have_retry_l) | |
517 | return 1; | |
518 | parser_state = S_LONG; | |
519 | have_retry_l = true; | |
520 | } else { | |
521 | tmpul = strtoul(argv[i], &end, 10); | |
522 | if (*end != '\0') | |
523 | return 1; | |
524 | if (!tmpul || tmpul > 255) | |
525 | return -EINVAL; | |
526 | switch (parser_state) { | |
527 | case S_SHORT: | |
528 | retry_short = tmpul; | |
529 | break; | |
530 | case S_LONG: | |
531 | retry_long = tmpul; | |
532 | break; | |
533 | default: | |
534 | return 1; | |
535 | } | |
536 | } | |
537 | } | |
538 | ||
539 | if (!have_retry_s && !have_retry_l) | |
540 | return 1; | |
541 | if (have_retry_s) | |
542 | NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT, retry_short); | |
543 | if (have_retry_l) | |
544 | NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_RETRY_LONG, retry_long); | |
545 | ||
546 | return 0; | |
547 | nla_put_failure: | |
548 | return -ENOBUFS; | |
549 | } | |
550 | COMMAND(set, retry, "[short <limit>] [long <limit>]", | |
551 | NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_retry, | |
552 | "Set retry limit."); | |
553 | ||
91454b65 VK |
554 | #ifndef NETNS_RUN_DIR |
555 | #define NETNS_RUN_DIR "/var/run/netns" | |
556 | #endif | |
c0441e65 | 557 | static int netns_get_fd(const char *name) |
91454b65 VK |
558 | { |
559 | char pathbuf[MAXPATHLEN]; | |
560 | const char *path, *ptr; | |
561 | ||
562 | path = name; | |
563 | ptr = strchr(name, '/'); | |
564 | if (!ptr) { | |
565 | snprintf(pathbuf, sizeof(pathbuf), "%s/%s", | |
566 | NETNS_RUN_DIR, name ); | |
567 | path = pathbuf; | |
568 | } | |
569 | return open(path, O_RDONLY); | |
570 | } | |
571 | ||
e960e066 | 572 | static int handle_netns(struct nl80211_state *state, |
e960e066 | 573 | struct nl_msg *msg, |
05514f95 JB |
574 | int argc, char **argv, |
575 | enum id_input id) | |
e960e066 JB |
576 | { |
577 | char *end; | |
3a51540c | 578 | int fd = -1; |
e960e066 | 579 | |
91454b65 | 580 | if (argc < 1 || !*argv[0]) |
e960e066 JB |
581 | return 1; |
582 | ||
91454b65 VK |
583 | if (argc == 1) { |
584 | NLA_PUT_U32(msg, NL80211_ATTR_PID, | |
585 | strtoul(argv[0], &end, 10)); | |
586 | if (*end != '\0') { | |
587 | printf("Invalid parameter: pid(%s)\n", argv[0]); | |
588 | return 1; | |
589 | } | |
590 | return 0; | |
591 | } | |
592 | ||
593 | if (argc != 2 || strcmp(argv[0], "name")) | |
e86b7e02 JB |
594 | return 1; |
595 | ||
91454b65 VK |
596 | if ((fd = netns_get_fd(argv[1])) >= 0) { |
597 | NLA_PUT_U32(msg, NL80211_ATTR_NETNS_FD, fd); | |
598 | return 0; | |
599 | } else { | |
600 | printf("Invalid parameter: nsname(%s)\n", argv[0]); | |
601 | } | |
e960e066 | 602 | |
91454b65 | 603 | return 1; |
e960e066 | 604 | |
e960e066 | 605 | nla_put_failure: |
3a51540c JC |
606 | if (fd >= 0) |
607 | close(fd); | |
e960e066 JB |
608 | return -ENOBUFS; |
609 | } | |
91454b65 | 610 | COMMAND(set, netns, "{ <pid> | name <nsname> }", |
e960e066 | 611 | NL80211_CMD_SET_WIPHY_NETNS, 0, CIB_PHY, handle_netns, |
91454b65 VK |
612 | "Put this wireless device into a different network namespace:\n" |
613 | " <pid> - change network namespace by process id\n" | |
614 | " <nsname> - change network namespace by name from "NETNS_RUN_DIR"\n" | |
615 | " or by absolute path (man ip-netns)\n"); | |
b2f92dd0 LT |
616 | |
617 | static int handle_coverage(struct nl80211_state *state, | |
b2f92dd0 | 618 | struct nl_msg *msg, |
05514f95 JB |
619 | int argc, char **argv, |
620 | enum id_input id) | |
b2f92dd0 | 621 | { |
e86b7e02 | 622 | char *end; |
b2f92dd0 LT |
623 | unsigned int coverage; |
624 | ||
625 | if (argc != 1) | |
626 | return 1; | |
627 | ||
e86b7e02 JB |
628 | if (!*argv[0]) |
629 | return 1; | |
630 | coverage = strtoul(argv[0], &end, 10); | |
b2f92dd0 LT |
631 | if (coverage > 255) |
632 | return 1; | |
633 | ||
e86b7e02 JB |
634 | if (*end) |
635 | return 1; | |
636 | ||
b2f92dd0 LT |
637 | NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS, coverage); |
638 | ||
639 | return 0; | |
640 | nla_put_failure: | |
641 | return -ENOBUFS; | |
642 | } | |
643 | COMMAND(set, coverage, "<coverage class>", | |
644 | NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_coverage, | |
645 | "Set coverage class (1 for every 3 usec of air propagation time).\n" | |
646 | "Valid values: 0 - 255."); | |
647 | ||
648 | static int handle_distance(struct nl80211_state *state, | |
b2f92dd0 | 649 | struct nl_msg *msg, |
05514f95 JB |
650 | int argc, char **argv, |
651 | enum id_input id) | |
b2f92dd0 | 652 | { |
b2f92dd0 LT |
653 | if (argc != 1) |
654 | return 1; | |
655 | ||
e86b7e02 JB |
656 | if (!*argv[0]) |
657 | return 1; | |
658 | ||
e642142d LB |
659 | if (strcmp("auto", argv[0]) == 0) { |
660 | NLA_PUT_FLAG(msg, NL80211_ATTR_WIPHY_DYN_ACK); | |
661 | } else { | |
662 | char *end; | |
663 | unsigned int distance, coverage; | |
e86b7e02 | 664 | |
e642142d | 665 | distance = strtoul(argv[0], &end, 10); |
b2f92dd0 | 666 | |
e642142d LB |
667 | if (*end) |
668 | return 1; | |
b2f92dd0 | 669 | |
e642142d LB |
670 | /* |
671 | * Divide double the distance by the speed of light | |
672 | * in m/usec (300) to get round-trip time in microseconds | |
673 | * and then divide the result by three to get coverage class | |
674 | * as specified in IEEE 802.11-2007 table 7-27. | |
675 | * Values are rounded upwards. | |
676 | */ | |
677 | coverage = (distance + 449) / 450; | |
678 | if (coverage > 255) | |
679 | return 1; | |
680 | ||
681 | NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS, coverage); | |
682 | } | |
b2f92dd0 LT |
683 | |
684 | return 0; | |
685 | nla_put_failure: | |
686 | return -ENOBUFS; | |
687 | } | |
e642142d | 688 | COMMAND(set, distance, "<auto|distance>", |
b2f92dd0 | 689 | NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_distance, |
e642142d LB |
690 | "Enable ACK timeout estimation algorithm (dynack) or set appropriate\n" |
691 | "coverage class for given link distance in meters.\n" | |
692 | "To disable dynack set valid value for coverage class.\n" | |
b2f92dd0 | 693 | "Valid values: 0 - 114750"); |
a0b1f574 JO |
694 | |
695 | static int handle_txpower(struct nl80211_state *state, | |
a0b1f574 | 696 | struct nl_msg *msg, |
05514f95 JB |
697 | int argc, char **argv, |
698 | enum id_input id) | |
a0b1f574 JO |
699 | { |
700 | enum nl80211_tx_power_setting type; | |
701 | int mbm; | |
702 | ||
703 | /* get the required args */ | |
704 | if (argc != 1 && argc != 2) | |
705 | return 1; | |
706 | ||
707 | if (!strcmp(argv[0], "auto")) | |
708 | type = NL80211_TX_POWER_AUTOMATIC; | |
709 | else if (!strcmp(argv[0], "fixed")) | |
710 | type = NL80211_TX_POWER_FIXED; | |
711 | else if (!strcmp(argv[0], "limit")) | |
712 | type = NL80211_TX_POWER_LIMITED; | |
713 | else { | |
714 | printf("Invalid parameter: %s\n", argv[0]); | |
715 | return 2; | |
716 | } | |
717 | ||
718 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_TX_POWER_SETTING, type); | |
719 | ||
720 | if (type != NL80211_TX_POWER_AUTOMATIC) { | |
18e05613 | 721 | char *endptr; |
a0b1f574 JO |
722 | if (argc != 2) { |
723 | printf("Missing TX power level argument.\n"); | |
724 | return 2; | |
725 | } | |
726 | ||
18e05613 | 727 | mbm = strtol(argv[1], &endptr, 10); |
08ec4c6b | 728 | if (*endptr) |
18e05613 | 729 | return 2; |
a0b1f574 JO |
730 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_TX_POWER_LEVEL, mbm); |
731 | } else if (argc != 1) | |
732 | return 1; | |
733 | ||
734 | return 0; | |
735 | ||
736 | nla_put_failure: | |
737 | return -ENOBUFS; | |
738 | } | |
739 | COMMAND(set, txpower, "<auto|fixed|limit> [<tx power in mBm>]", | |
740 | NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_txpower, | |
741 | "Specify transmit power level and setting type."); | |
742 | COMMAND(set, txpower, "<auto|fixed|limit> [<tx power in mBm>]", | |
743 | NL80211_CMD_SET_WIPHY, 0, CIB_NETDEV, handle_txpower, | |
744 | "Specify transmit power level and setting type."); | |
afce7986 BR |
745 | |
746 | static int handle_antenna(struct nl80211_state *state, | |
afce7986 | 747 | struct nl_msg *msg, |
05514f95 JB |
748 | int argc, char **argv, |
749 | enum id_input id) | |
afce7986 BR |
750 | { |
751 | char *end; | |
752 | uint32_t tx_ant = 0, rx_ant = 0; | |
753 | ||
754 | if (argc == 1 && strcmp(argv[0], "all") == 0) { | |
755 | tx_ant = 0xffffffff; | |
756 | rx_ant = 0xffffffff; | |
757 | } else if (argc == 1) { | |
758 | tx_ant = rx_ant = strtoul(argv[0], &end, 0); | |
759 | if (*end) | |
760 | return 1; | |
761 | } | |
762 | else if (argc == 2) { | |
763 | tx_ant = strtoul(argv[0], &end, 0); | |
764 | if (*end) | |
765 | return 1; | |
766 | rx_ant = strtoul(argv[1], &end, 0); | |
767 | if (*end) | |
768 | return 1; | |
769 | } else | |
770 | return 1; | |
771 | ||
772 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_TX, tx_ant); | |
773 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_RX, rx_ant); | |
774 | ||
775 | return 0; | |
776 | ||
777 | nla_put_failure: | |
778 | return -ENOBUFS; | |
779 | } | |
780 | COMMAND(set, antenna, "<bitmap> | all | <tx bitmap> <rx bitmap>", | |
781 | NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_antenna, | |
782 | "Set a bitmap of allowed antennas to use for TX and RX.\n" | |
783 | "The driver may reject antenna configurations it cannot support."); | |
1eb2f5c9 THJ |
784 | |
785 | static int handle_set_txq(struct nl80211_state *state, | |
786 | struct nl_msg *msg, | |
787 | int argc, char **argv, | |
788 | enum id_input id) | |
789 | { | |
790 | unsigned int argval; | |
791 | char *end; | |
792 | ||
793 | if (argc != 2) | |
794 | return 1; | |
795 | ||
796 | if (!*argv[0] || !*argv[1]) | |
797 | return 1; | |
798 | ||
799 | argval = strtoul(argv[1], &end, 10); | |
800 | ||
801 | if (*end) | |
802 | return 1; | |
803 | ||
804 | if (!argval) | |
805 | return 1; | |
806 | ||
807 | if (strcmp("limit", argv[0]) == 0) | |
808 | NLA_PUT_U32(msg, NL80211_ATTR_TXQ_LIMIT, argval); | |
809 | else if (strcmp("memory_limit", argv[0]) == 0) | |
810 | NLA_PUT_U32(msg, NL80211_ATTR_TXQ_MEMORY_LIMIT, argval); | |
811 | else if (strcmp("quantum", argv[0]) == 0) | |
812 | NLA_PUT_U32(msg, NL80211_ATTR_TXQ_QUANTUM, argval); | |
813 | else | |
814 | return -1; | |
815 | ||
816 | return 0; | |
817 | nla_put_failure: | |
818 | return -ENOBUFS; | |
819 | } | |
820 | COMMAND(set, txq, "limit <packets> | memory_limit <bytes> | quantum <bytes>", | |
821 | NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_set_txq, | |
822 | "Set TXQ parameters. The limit and memory_limit are global queue limits\n" | |
823 | "for the whole phy. The quantum is the DRR scheduler quantum setting.\n" | |
824 | "Valid values: 1 - 2**32"); | |
825 | ||
826 | static int print_txq_handler(struct nl_msg *msg, void *arg) | |
827 | { | |
828 | struct nlattr *attrs[NL80211_ATTR_MAX + 1]; | |
829 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
830 | struct nlattr *txqstats_info[NL80211_TXQ_STATS_MAX + 1], *txqinfo; | |
831 | static struct nla_policy txqstats_policy[NL80211_TXQ_STATS_MAX + 1] = { | |
832 | [NL80211_TXQ_STATS_BACKLOG_PACKETS] = { .type = NLA_U32 }, | |
833 | [NL80211_TXQ_STATS_BACKLOG_BYTES] = { .type = NLA_U32 }, | |
834 | [NL80211_TXQ_STATS_OVERLIMIT] = { .type = NLA_U32 }, | |
835 | [NL80211_TXQ_STATS_OVERMEMORY] = { .type = NLA_U32 }, | |
836 | [NL80211_TXQ_STATS_COLLISIONS] = { .type = NLA_U32 }, | |
837 | [NL80211_TXQ_STATS_MAX_FLOWS] = { .type = NLA_U32 }, | |
838 | }; | |
839 | ||
840 | nla_parse(attrs, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
841 | genlmsg_attrlen(gnlh, 0), NULL); | |
842 | ||
843 | ||
844 | if (attrs[NL80211_ATTR_TXQ_LIMIT]) | |
845 | printf("Packet limit:\t\t%u pkts\n", | |
846 | nla_get_u32(attrs[NL80211_ATTR_TXQ_LIMIT])); | |
847 | if (attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]) | |
848 | printf("Memory limit:\t\t%u bytes\n", | |
849 | nla_get_u32(attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT])); | |
850 | if (attrs[NL80211_ATTR_TXQ_QUANTUM]) | |
851 | printf("Quantum:\t\t%u bytes\n", | |
852 | nla_get_u32(attrs[NL80211_ATTR_TXQ_QUANTUM])); | |
853 | ||
854 | if (attrs[NL80211_ATTR_TXQ_STATS]) { | |
855 | if (nla_parse_nested(txqstats_info, NL80211_TXQ_STATS_MAX, | |
856 | attrs[NL80211_ATTR_TXQ_STATS], | |
857 | txqstats_policy)) { | |
858 | printf("failed to parse nested TXQ stats attributes!"); | |
859 | return 0; | |
860 | } | |
861 | txqinfo = txqstats_info[NL80211_TXQ_STATS_MAX_FLOWS]; | |
862 | if (txqinfo) | |
863 | printf("Number of queues:\t%u\n", nla_get_u32(txqinfo)); | |
864 | ||
865 | txqinfo = txqstats_info[NL80211_TXQ_STATS_BACKLOG_PACKETS]; | |
866 | if (txqinfo) | |
867 | printf("Backlog:\t\t%u pkts\n", nla_get_u32(txqinfo)); | |
868 | ||
869 | txqinfo = txqstats_info[NL80211_TXQ_STATS_BACKLOG_BYTES]; | |
870 | if (txqinfo) | |
871 | printf("Memory usage:\t\t%u bytes\n", nla_get_u32(txqinfo)); | |
872 | ||
873 | txqinfo = txqstats_info[NL80211_TXQ_STATS_OVERLIMIT]; | |
874 | if (txqinfo) | |
875 | printf("Packet limit overflows:\t%u\n", nla_get_u32(txqinfo)); | |
876 | ||
877 | txqinfo = txqstats_info[NL80211_TXQ_STATS_OVERMEMORY]; | |
878 | if (txqinfo) | |
879 | printf("Memory limit overflows:\t%u\n", nla_get_u32(txqinfo)); | |
880 | txqinfo = txqstats_info[NL80211_TXQ_STATS_COLLISIONS]; | |
881 | if (txqinfo) | |
882 | printf("Hash collisions:\t%u\n", nla_get_u32(txqinfo)); | |
883 | } | |
884 | return NL_SKIP; | |
885 | } | |
886 | ||
887 | static int handle_get_txq(struct nl80211_state *state, | |
888 | struct nl_msg *msg, | |
889 | int argc, char **argv, | |
890 | enum id_input id) | |
891 | { | |
892 | nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP); | |
893 | nlmsg_hdr(msg)->nlmsg_flags |= NLM_F_DUMP; | |
894 | register_handler(print_txq_handler, NULL); | |
895 | return 0; | |
896 | } | |
897 | COMMAND(get, txq, "", | |
898 | NL80211_CMD_GET_WIPHY, 0, CIB_PHY, handle_get_txq, | |
899 | "Get TXQ parameters."); |