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Commit | Line | Data |
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379f8397 | 1 | #include <stdbool.h> |
0f55e0b8 | 2 | #include <errno.h> |
0f55e0b8 | 3 | #include <net/if.h> |
d0260390 | 4 | #include <strings.h> |
0f55e0b8 JB |
5 | |
6 | #include <netlink/genl/genl.h> | |
7 | #include <netlink/genl/family.h> | |
8 | #include <netlink/genl/ctrl.h> | |
9 | #include <netlink/msg.h> | |
10 | #include <netlink/attr.h> | |
11 | ||
f408e01b | 12 | #include "nl80211.h" |
0f55e0b8 JB |
13 | #include "iw.h" |
14 | ||
7c37a24d JB |
15 | static int handle_name(struct nl80211_state *state, |
16 | struct nl_cb *cb, | |
0f55e0b8 | 17 | struct nl_msg *msg, |
05514f95 JB |
18 | int argc, char **argv, |
19 | enum id_input id) | |
0f55e0b8 | 20 | { |
0f55e0b8 | 21 | if (argc != 1) |
5e75fd04 | 22 | return 1; |
0f55e0b8 JB |
23 | |
24 | NLA_PUT_STRING(msg, NL80211_ATTR_WIPHY_NAME, *argv); | |
25 | ||
70391ccf | 26 | return 0; |
0f55e0b8 | 27 | nla_put_failure: |
70391ccf | 28 | return -ENOBUFS; |
0f55e0b8 | 29 | } |
cea8fa1c JB |
30 | COMMAND(set, name, "<new name>", NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_name, |
31 | "Rename this wireless device."); | |
b822cda9 | 32 | |
7c60bb76 JB |
33 | static int handle_freqs(struct nl_msg *msg, int argc, char **argv) |
34 | { | |
35 | static const struct { | |
36 | const char *name; | |
37 | unsigned int val; | |
38 | } bwmap[] = { | |
39 | { .name = "20", .val = NL80211_CHAN_WIDTH_20, }, | |
40 | { .name = "40", .val = NL80211_CHAN_WIDTH_40, }, | |
41 | { .name = "80", .val = NL80211_CHAN_WIDTH_80, }, | |
42 | { .name = "80+80", .val = NL80211_CHAN_WIDTH_80P80, }, | |
43 | { .name = "160", .val = NL80211_CHAN_WIDTH_160, }, | |
44 | }; | |
45 | uint32_t freq; | |
46 | int i, bwval = NL80211_CHAN_WIDTH_20_NOHT; | |
47 | char *end; | |
48 | ||
49 | if (argc < 1) | |
50 | return 1; | |
51 | ||
52 | for (i = 0; i < ARRAY_SIZE(bwmap); i++) { | |
53 | if (strcasecmp(bwmap[i].name, argv[0]) == 0) { | |
54 | bwval = bwmap[i].val; | |
55 | break; | |
56 | } | |
57 | } | |
58 | ||
59 | if (bwval == NL80211_CHAN_WIDTH_20_NOHT) | |
60 | return 1; | |
61 | ||
62 | NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH, bwval); | |
63 | ||
64 | if (argc == 1) | |
65 | return 0; | |
66 | ||
67 | /* center freq 1 */ | |
68 | if (!*argv[1]) | |
69 | return 1; | |
70 | freq = strtoul(argv[1], &end, 10); | |
71 | if (*end) | |
72 | return 1; | |
73 | NLA_PUT_U32(msg, NL80211_ATTR_CENTER_FREQ1, freq); | |
74 | ||
75 | if (argc == 2) | |
76 | return 0; | |
77 | ||
78 | /* center freq 2 */ | |
79 | if (!*argv[2]) | |
80 | return 1; | |
81 | freq = strtoul(argv[2], &end, 10); | |
82 | if (*end) | |
83 | return 1; | |
84 | NLA_PUT_U32(msg, NL80211_ATTR_CENTER_FREQ2, freq); | |
85 | ||
86 | return 0; | |
87 | nla_put_failure: | |
88 | return -ENOBUFS; | |
89 | } | |
90 | ||
379f8397 JB |
91 | static int handle_freqchan(struct nl_msg *msg, bool chan, |
92 | int argc, char **argv) | |
b822cda9 | 93 | { |
e86b7e02 | 94 | char *end; |
b822cda9 JB |
95 | static const struct { |
96 | const char *name; | |
97 | unsigned int val; | |
98 | } htmap[] = { | |
68632dc7 JB |
99 | { .name = "HT20", .val = NL80211_CHAN_HT20, }, |
100 | { .name = "HT40+", .val = NL80211_CHAN_HT40PLUS, }, | |
101 | { .name = "HT40-", .val = NL80211_CHAN_HT40MINUS, }, | |
b822cda9 | 102 | }; |
68632dc7 | 103 | unsigned int htval = NL80211_CHAN_NO_HT; |
b822cda9 JB |
104 | unsigned int freq; |
105 | int i; | |
106 | ||
7c60bb76 | 107 | if (!argc || argc > 4) |
b822cda9 JB |
108 | return 1; |
109 | ||
e86b7e02 JB |
110 | if (!*argv[0]) |
111 | return 1; | |
112 | freq = strtoul(argv[0], &end, 10); | |
113 | if (*end) | |
114 | return 1; | |
115 | ||
58b46da2 BR |
116 | if (chan) { |
117 | enum nl80211_band band; | |
118 | band = freq <= 14 ? NL80211_BAND_2GHZ : NL80211_BAND_5GHZ; | |
119 | freq = ieee80211_channel_to_frequency(freq, band); | |
120 | } | |
b822cda9 JB |
121 | |
122 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq); | |
7c60bb76 JB |
123 | |
124 | if (argc > 2) { | |
125 | return handle_freqs(msg, argc - 1, argv + 1); | |
126 | } else if (argc == 2) { | |
127 | for (i = 0; i < ARRAY_SIZE(htmap); i++) { | |
128 | if (strcasecmp(htmap[i].name, argv[1]) == 0) { | |
129 | htval = htmap[i].val; | |
130 | break; | |
131 | } | |
132 | } | |
133 | if (htval == NL80211_CHAN_NO_HT) | |
134 | return handle_freqs(msg, argc - 1, argv + 1); | |
135 | } | |
136 | ||
68632dc7 | 137 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, htval); |
b822cda9 JB |
138 | |
139 | return 0; | |
140 | nla_put_failure: | |
141 | return -ENOBUFS; | |
142 | } | |
379f8397 | 143 | |
7c37a24d JB |
144 | static int handle_freq(struct nl80211_state *state, |
145 | struct nl_cb *cb, struct nl_msg *msg, | |
05514f95 JB |
146 | int argc, char **argv, |
147 | enum id_input id) | |
379f8397 JB |
148 | { |
149 | return handle_freqchan(msg, false, argc, argv); | |
150 | } | |
b822cda9 | 151 | COMMAND(set, freq, "<freq> [HT20|HT40+|HT40-]", |
00c448b2 JB |
152 | NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_freq, |
153 | "Set frequency/channel the hardware is using, including HT\n" | |
154 | "configuration."); | |
7c60bb76 JB |
155 | COMMAND(set, freq, "<freq> [HT20|HT40+|HT40-]\n" |
156 | "<control freq> [20|40|80|80+80|160] [<center freq 1>] [<center freq 2>]", | |
01ae06f9 | 157 | NL80211_CMD_SET_WIPHY, 0, CIB_NETDEV, handle_freq, NULL); |
379f8397 | 158 | |
7c37a24d JB |
159 | static int handle_chan(struct nl80211_state *state, |
160 | struct nl_cb *cb, struct nl_msg *msg, | |
05514f95 JB |
161 | int argc, char **argv, |
162 | enum id_input id) | |
379f8397 JB |
163 | { |
164 | return handle_freqchan(msg, true, argc, argv); | |
165 | } | |
166 | COMMAND(set, channel, "<channel> [HT20|HT40+|HT40-]", | |
01ae06f9 | 167 | NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_chan, NULL); |
379f8397 | 168 | COMMAND(set, channel, "<channel> [HT20|HT40+|HT40-]", |
01ae06f9 | 169 | NL80211_CMD_SET_WIPHY, 0, CIB_NETDEV, handle_chan, NULL); |
625aa4ae JB |
170 | |
171 | static int handle_fragmentation(struct nl80211_state *state, | |
172 | struct nl_cb *cb, struct nl_msg *msg, | |
05514f95 JB |
173 | int argc, char **argv, |
174 | enum id_input id) | |
625aa4ae JB |
175 | { |
176 | unsigned int frag; | |
177 | ||
178 | if (argc != 1) | |
179 | return 1; | |
180 | ||
181 | if (strcmp("off", argv[0]) == 0) | |
182 | frag = -1; | |
e86b7e02 JB |
183 | else { |
184 | char *end; | |
185 | ||
186 | if (!*argv[0]) | |
187 | return 1; | |
188 | frag = strtoul(argv[0], &end, 10); | |
189 | if (*end != '\0') | |
190 | return 1; | |
191 | } | |
625aa4ae JB |
192 | |
193 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, frag); | |
194 | ||
195 | return 0; | |
196 | nla_put_failure: | |
197 | return -ENOBUFS; | |
198 | } | |
199 | COMMAND(set, frag, "<fragmentation threshold|off>", | |
200 | NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_fragmentation, | |
201 | "Set fragmentation threshold."); | |
202 | ||
203 | static int handle_rts(struct nl80211_state *state, | |
204 | struct nl_cb *cb, struct nl_msg *msg, | |
05514f95 JB |
205 | int argc, char **argv, |
206 | enum id_input id) | |
625aa4ae JB |
207 | { |
208 | unsigned int rts; | |
209 | ||
210 | if (argc != 1) | |
211 | return 1; | |
212 | ||
213 | if (strcmp("off", argv[0]) == 0) | |
214 | rts = -1; | |
e86b7e02 JB |
215 | else { |
216 | char *end; | |
217 | ||
218 | if (!*argv[0]) | |
219 | return 1; | |
220 | rts = strtoul(argv[0], &end, 10); | |
221 | if (*end != '\0') | |
222 | return 1; | |
223 | } | |
625aa4ae JB |
224 | |
225 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, rts); | |
226 | ||
227 | return 0; | |
228 | nla_put_failure: | |
229 | return -ENOBUFS; | |
230 | } | |
231 | COMMAND(set, rts, "<rts threshold|off>", | |
232 | NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_rts, | |
233 | "Set rts threshold."); | |
e960e066 | 234 | |
c993e6e7 UR |
235 | static int handle_retry(struct nl80211_state *state, |
236 | struct nl_cb *cb, struct nl_msg *msg, | |
237 | int argc, char **argv, enum id_input id) | |
238 | { | |
239 | unsigned int retry_short = 0, retry_long = 0; | |
240 | bool have_retry_s = false, have_retry_l = false; | |
241 | int i; | |
242 | enum { | |
243 | S_NONE, | |
244 | S_SHORT, | |
245 | S_LONG, | |
246 | } parser_state = S_NONE; | |
247 | ||
248 | if (!argc || (argc != 2 && argc != 4)) | |
249 | return 1; | |
250 | ||
251 | for (i = 0; i < argc; i++) { | |
252 | char *end; | |
253 | unsigned int tmpul; | |
254 | ||
255 | if (strcmp(argv[i], "short") == 0) { | |
256 | if (have_retry_s) | |
257 | return 1; | |
258 | parser_state = S_SHORT; | |
259 | have_retry_s = true; | |
260 | } else if (strcmp(argv[i], "long") == 0) { | |
261 | if (have_retry_l) | |
262 | return 1; | |
263 | parser_state = S_LONG; | |
264 | have_retry_l = true; | |
265 | } else { | |
266 | tmpul = strtoul(argv[i], &end, 10); | |
267 | if (*end != '\0') | |
268 | return 1; | |
269 | if (!tmpul || tmpul > 255) | |
270 | return -EINVAL; | |
271 | switch (parser_state) { | |
272 | case S_SHORT: | |
273 | retry_short = tmpul; | |
274 | break; | |
275 | case S_LONG: | |
276 | retry_long = tmpul; | |
277 | break; | |
278 | default: | |
279 | return 1; | |
280 | } | |
281 | } | |
282 | } | |
283 | ||
284 | if (!have_retry_s && !have_retry_l) | |
285 | return 1; | |
286 | if (have_retry_s) | |
287 | NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT, retry_short); | |
288 | if (have_retry_l) | |
289 | NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_RETRY_LONG, retry_long); | |
290 | ||
291 | return 0; | |
292 | nla_put_failure: | |
293 | return -ENOBUFS; | |
294 | } | |
295 | COMMAND(set, retry, "[short <limit>] [long <limit>]", | |
296 | NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_retry, | |
297 | "Set retry limit."); | |
298 | ||
e960e066 JB |
299 | static int handle_netns(struct nl80211_state *state, |
300 | struct nl_cb *cb, | |
301 | struct nl_msg *msg, | |
05514f95 JB |
302 | int argc, char **argv, |
303 | enum id_input id) | |
e960e066 JB |
304 | { |
305 | char *end; | |
306 | ||
307 | if (argc != 1) | |
308 | return 1; | |
309 | ||
e86b7e02 JB |
310 | if (!*argv[0]) |
311 | return 1; | |
312 | ||
e960e066 | 313 | NLA_PUT_U32(msg, NL80211_ATTR_PID, |
c551449a | 314 | strtoul(argv[0], &end, 10)); |
e960e066 JB |
315 | |
316 | if (*end != '\0') | |
317 | return 1; | |
318 | ||
319 | return 0; | |
320 | nla_put_failure: | |
321 | return -ENOBUFS; | |
322 | } | |
323 | COMMAND(set, netns, "<pid>", | |
324 | NL80211_CMD_SET_WIPHY_NETNS, 0, CIB_PHY, handle_netns, | |
325 | "Put this wireless device into a different network namespace"); | |
b2f92dd0 LT |
326 | |
327 | static int handle_coverage(struct nl80211_state *state, | |
328 | struct nl_cb *cb, | |
329 | struct nl_msg *msg, | |
05514f95 JB |
330 | int argc, char **argv, |
331 | enum id_input id) | |
b2f92dd0 | 332 | { |
e86b7e02 | 333 | char *end; |
b2f92dd0 LT |
334 | unsigned int coverage; |
335 | ||
336 | if (argc != 1) | |
337 | return 1; | |
338 | ||
e86b7e02 JB |
339 | if (!*argv[0]) |
340 | return 1; | |
341 | coverage = strtoul(argv[0], &end, 10); | |
b2f92dd0 LT |
342 | if (coverage > 255) |
343 | return 1; | |
344 | ||
e86b7e02 JB |
345 | if (*end) |
346 | return 1; | |
347 | ||
b2f92dd0 LT |
348 | NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS, coverage); |
349 | ||
350 | return 0; | |
351 | nla_put_failure: | |
352 | return -ENOBUFS; | |
353 | } | |
354 | COMMAND(set, coverage, "<coverage class>", | |
355 | NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_coverage, | |
356 | "Set coverage class (1 for every 3 usec of air propagation time).\n" | |
357 | "Valid values: 0 - 255."); | |
358 | ||
359 | static int handle_distance(struct nl80211_state *state, | |
360 | struct nl_cb *cb, | |
361 | struct nl_msg *msg, | |
05514f95 JB |
362 | int argc, char **argv, |
363 | enum id_input id) | |
b2f92dd0 | 364 | { |
e86b7e02 | 365 | char *end; |
b2f92dd0 LT |
366 | unsigned int distance, coverage; |
367 | ||
368 | if (argc != 1) | |
369 | return 1; | |
370 | ||
e86b7e02 JB |
371 | if (!*argv[0]) |
372 | return 1; | |
373 | ||
374 | distance = strtoul(argv[0], &end, 10); | |
375 | ||
376 | if (*end) | |
377 | return 1; | |
b2f92dd0 LT |
378 | |
379 | /* | |
380 | * Divide double the distance by the speed of light in m/usec (300) to | |
381 | * get round-trip time in microseconds and then divide the result by | |
382 | * three to get coverage class as specified in IEEE 802.11-2007 table | |
383 | * 7-27. Values are rounded upwards. | |
384 | */ | |
385 | coverage = (distance + 449) / 450; | |
386 | if (coverage > 255) | |
387 | return 1; | |
388 | ||
389 | NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS, coverage); | |
390 | ||
391 | return 0; | |
392 | nla_put_failure: | |
393 | return -ENOBUFS; | |
394 | } | |
395 | COMMAND(set, distance, "<distance>", | |
396 | NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_distance, | |
397 | "Set appropriate coverage class for given link distance in meters.\n" | |
398 | "Valid values: 0 - 114750"); | |
a0b1f574 JO |
399 | |
400 | static int handle_txpower(struct nl80211_state *state, | |
401 | struct nl_cb *cb, | |
402 | struct nl_msg *msg, | |
05514f95 JB |
403 | int argc, char **argv, |
404 | enum id_input id) | |
a0b1f574 JO |
405 | { |
406 | enum nl80211_tx_power_setting type; | |
407 | int mbm; | |
408 | ||
409 | /* get the required args */ | |
410 | if (argc != 1 && argc != 2) | |
411 | return 1; | |
412 | ||
413 | if (!strcmp(argv[0], "auto")) | |
414 | type = NL80211_TX_POWER_AUTOMATIC; | |
415 | else if (!strcmp(argv[0], "fixed")) | |
416 | type = NL80211_TX_POWER_FIXED; | |
417 | else if (!strcmp(argv[0], "limit")) | |
418 | type = NL80211_TX_POWER_LIMITED; | |
419 | else { | |
420 | printf("Invalid parameter: %s\n", argv[0]); | |
421 | return 2; | |
422 | } | |
423 | ||
424 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_TX_POWER_SETTING, type); | |
425 | ||
426 | if (type != NL80211_TX_POWER_AUTOMATIC) { | |
18e05613 | 427 | char *endptr; |
a0b1f574 JO |
428 | if (argc != 2) { |
429 | printf("Missing TX power level argument.\n"); | |
430 | return 2; | |
431 | } | |
432 | ||
18e05613 | 433 | mbm = strtol(argv[1], &endptr, 10); |
08ec4c6b | 434 | if (*endptr) |
18e05613 | 435 | return 2; |
a0b1f574 JO |
436 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_TX_POWER_LEVEL, mbm); |
437 | } else if (argc != 1) | |
438 | return 1; | |
439 | ||
440 | return 0; | |
441 | ||
442 | nla_put_failure: | |
443 | return -ENOBUFS; | |
444 | } | |
445 | COMMAND(set, txpower, "<auto|fixed|limit> [<tx power in mBm>]", | |
446 | NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_txpower, | |
447 | "Specify transmit power level and setting type."); | |
448 | COMMAND(set, txpower, "<auto|fixed|limit> [<tx power in mBm>]", | |
449 | NL80211_CMD_SET_WIPHY, 0, CIB_NETDEV, handle_txpower, | |
450 | "Specify transmit power level and setting type."); | |
afce7986 BR |
451 | |
452 | static int handle_antenna(struct nl80211_state *state, | |
453 | struct nl_cb *cb, | |
454 | struct nl_msg *msg, | |
05514f95 JB |
455 | int argc, char **argv, |
456 | enum id_input id) | |
afce7986 BR |
457 | { |
458 | char *end; | |
459 | uint32_t tx_ant = 0, rx_ant = 0; | |
460 | ||
461 | if (argc == 1 && strcmp(argv[0], "all") == 0) { | |
462 | tx_ant = 0xffffffff; | |
463 | rx_ant = 0xffffffff; | |
464 | } else if (argc == 1) { | |
465 | tx_ant = rx_ant = strtoul(argv[0], &end, 0); | |
466 | if (*end) | |
467 | return 1; | |
468 | } | |
469 | else if (argc == 2) { | |
470 | tx_ant = strtoul(argv[0], &end, 0); | |
471 | if (*end) | |
472 | return 1; | |
473 | rx_ant = strtoul(argv[1], &end, 0); | |
474 | if (*end) | |
475 | return 1; | |
476 | } else | |
477 | return 1; | |
478 | ||
479 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_TX, tx_ant); | |
480 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_RX, rx_ant); | |
481 | ||
482 | return 0; | |
483 | ||
484 | nla_put_failure: | |
485 | return -ENOBUFS; | |
486 | } | |
487 | COMMAND(set, antenna, "<bitmap> | all | <tx bitmap> <rx bitmap>", | |
488 | NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_antenna, | |
489 | "Set a bitmap of allowed antennas to use for TX and RX.\n" | |
490 | "The driver may reject antenna configurations it cannot support."); |