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9cb2f0c0 MT |
1 | /*############################################################################# |
2 | # # | |
3 | # IPFire.org - A linux based firewall # | |
4 | # Copyright (C) 2018 IPFire Network Development Team # | |
5 | # # | |
6 | # This program is free software: you can redistribute it and/or modify # | |
7 | # it under the terms of the GNU General Public License as published by # | |
8 | # the Free Software Foundation, either version 3 of the License, or # | |
9 | # (at your option) any later version. # | |
10 | # # | |
11 | # This program is distributed in the hope that it will be useful, # | |
12 | # but WITHOUT ANY WARRANTY; without even the implied warranty of # | |
13 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # | |
14 | # GNU General Public License for more details. # | |
15 | # # | |
16 | # You should have received a copy of the GNU General Public License # | |
17 | # along with this program. If not, see <http://www.gnu.org/licenses/>. # | |
18 | # # | |
19 | #############################################################################*/ | |
20 | ||
21 | #include <errno.h> | |
e145b2f3 MT |
22 | #include <linux/nl80211.h> |
23 | #include <netlink/attr.h> | |
24 | #include <netlink/genl/genl.h> | |
25 | #include <netlink/msg.h> | |
394cff53 | 26 | #include <stdbool.h> |
e145b2f3 | 27 | #include <stdint.h> |
9cb2f0c0 MT |
28 | #include <stdio.h> |
29 | #include <stdlib.h> | |
394cff53 | 30 | #include <sys/queue.h> |
9cb2f0c0 MT |
31 | |
32 | #include <network/libnetwork.h> | |
33 | #include <network/logging.h> | |
e145b2f3 | 34 | #include <network/phy.h> |
9cb2f0c0 MT |
35 | #include "libnetwork-private.h" |
36 | ||
394cff53 MT |
37 | struct network_phy_channel { |
38 | unsigned int number; | |
39 | unsigned int frequency; | |
40 | bool dfs; | |
41 | double max_tx_power; // dBm | |
42 | ||
43 | TAILQ_ENTRY(network_phy_channel) channels; | |
44 | }; | |
45 | ||
9cb2f0c0 MT |
46 | struct network_phy { |
47 | struct network_ctx* ctx; | |
48 | int refcount; | |
49 | ||
50 | int index; | |
51 | char* name; | |
e145b2f3 | 52 | |
394cff53 MT |
53 | TAILQ_HEAD(head, network_phy_channel) channels; |
54 | ||
b2323e58 MT |
55 | ssize_t max_mpdu_length; |
56 | unsigned int vht_caps; | |
e145b2f3 | 57 | unsigned int ht_caps; |
9cb2f0c0 MT |
58 | }; |
59 | ||
60 | static int phy_get_index(const char* name) { | |
61 | char path[1024]; | |
62 | char index[8]; | |
63 | ||
64 | snprintf(path, sizeof(path), "/sys/class/ieee80211/%s/index", name); | |
65 | ||
66 | FILE* f = fopen(path, "r"); | |
67 | if (!f) | |
68 | return -1; | |
69 | ||
70 | int p = fread(index, 1, sizeof(index), f); | |
71 | if (p < 0) { | |
72 | fclose(f); | |
73 | return -1; | |
74 | } | |
75 | ||
76 | // Terminate buffer | |
77 | index[p] = '\0'; | |
78 | fclose(f); | |
79 | ||
80 | return atoi(index); | |
81 | } | |
82 | ||
b2323e58 MT |
83 | static void phy_parse_vht_capabilities(struct network_phy* phy, __u32 caps) { |
84 | // Max MPDU length | |
85 | switch (caps & 0x3) { | |
86 | case 0: | |
87 | phy->max_mpdu_length = 3895; | |
88 | break; | |
89 | ||
90 | case 1: | |
91 | phy->max_mpdu_length = 7991; | |
92 | break; | |
93 | ||
94 | case 2: | |
95 | phy->max_mpdu_length = 11454; | |
96 | break; | |
97 | ||
98 | case 3: | |
99 | phy->max_mpdu_length = -1; | |
100 | } | |
101 | ||
102 | // Supported channel widths | |
103 | switch ((caps >> 2) & 0x3) { | |
104 | case 0: | |
105 | break; | |
106 | ||
107 | // Supports 160 MHz | |
108 | case 1: | |
109 | phy->vht_caps |= NETWORK_PHY_VHT_CAP_VHT160; | |
110 | break; | |
111 | ||
112 | // Supports 160 MHz and 80+80 MHz | |
113 | case 2: | |
114 | phy->vht_caps |= NETWORK_PHY_VHT_CAP_VHT160; | |
115 | phy->vht_caps |= NETWORK_PHY_VHT_CAP_VHT80PLUS80; | |
116 | break; | |
117 | } | |
118 | ||
119 | // RX LDPC | |
120 | if (caps & BIT(4)) | |
121 | phy->vht_caps |= NETWORK_PHY_VHT_CAP_RX_LDPC; | |
122 | ||
123 | // RX Short GI 80 MHz | |
124 | if (caps & BIT(5)) | |
125 | phy->vht_caps |= NETWORK_PHY_VHT_CAP_RX_SHORT_GI_80; | |
126 | ||
127 | // RX Short GI 160 MHz and 80+80 MHz | |
128 | if (caps & BIT(6)) | |
129 | phy->vht_caps |= NETWORK_PHY_VHT_CAP_RX_SHORT_GI_160; | |
130 | ||
131 | // TX STBC | |
132 | if (caps & BIT(7)) | |
133 | phy->vht_caps |= NETWORK_PHY_VHT_CAP_TX_STBC; | |
134 | ||
135 | // Single User Beamformer | |
136 | if (caps & BIT(11)) | |
137 | phy->vht_caps |= NETWORK_PHY_VHT_CAP_SU_BEAMFORMER; | |
138 | ||
139 | // Single User Beamformee | |
140 | if (caps & BIT(12)) | |
141 | phy->vht_caps |= NETWORK_PHY_VHT_CAP_SU_BEAMFORMEE; | |
142 | ||
143 | // Multi User Beamformer | |
144 | if (caps & BIT(19)) | |
145 | phy->vht_caps |= NETWORK_PHY_VHT_CAP_MU_BEAMFORMER; | |
146 | ||
147 | // Multi User Beamformee | |
148 | if (caps & BIT(20)) | |
149 | phy->vht_caps |= NETWORK_PHY_VHT_CAP_MU_BEAMFORMEE; | |
150 | ||
151 | // TX-OP-PS | |
152 | if (caps & BIT(21)) | |
153 | phy->vht_caps |= NETWORK_PHY_VHT_CAP_TXOP_PS; | |
154 | ||
155 | // HTC-VHT | |
156 | if (caps & BIT(22)) | |
157 | phy->vht_caps |= NETWORK_PHY_VHT_CAP_HTC_VHT; | |
158 | ||
159 | // RX Antenna Pattern Consistency | |
160 | if (caps & BIT(28)) | |
161 | phy->vht_caps |= NETWORK_PHY_VHT_CAP_RX_ANTENNA_PATTERN; | |
162 | ||
163 | // TX Antenna Pattern Consistency | |
164 | if (caps & BIT(29)) | |
165 | phy->vht_caps |= NETWORK_PHY_VHT_CAP_TX_ANTENNA_PATTERN; | |
166 | } | |
167 | ||
e145b2f3 | 168 | static void phy_parse_ht_capabilities(struct network_phy* phy, __u16 caps) { |
a4a2f65d | 169 | // RX LDPC |
e145b2f3 | 170 | if (caps & BIT(0)) |
a4a2f65d | 171 | phy->ht_caps |= NETWORK_PHY_HT_CAP_RX_LDPC; |
e145b2f3 MT |
172 | |
173 | // HT40 | |
174 | if (caps & BIT(1)) | |
175 | phy->ht_caps |= NETWORK_PHY_HT_CAP_HT40; | |
176 | ||
177 | // Static/Dynamic SM Power Save | |
178 | switch ((caps >> 2) & 0x3) { | |
179 | case 0: | |
180 | phy->ht_caps |= NETWORK_PHY_HT_CAP_SMPS_STATIC; | |
181 | break; | |
182 | ||
183 | case 1: | |
184 | phy->ht_caps |= NETWORK_PHY_HT_CAP_SMPS_DYNAMIC; | |
185 | break; | |
186 | ||
187 | default: | |
188 | break; | |
189 | } | |
190 | ||
191 | // RX Greenfield | |
192 | if (caps & BIT(4)) | |
193 | phy->ht_caps |= NETWORK_PHY_HT_CAP_RX_GF; | |
194 | ||
195 | // RX HT20 Short GI | |
196 | if (caps & BIT(5)) | |
197 | phy->ht_caps |= NETWORK_PHY_HT_CAP_RX_HT20_SGI; | |
198 | ||
199 | // RX HT40 Short GI | |
200 | if (caps & BIT(6)) | |
201 | phy->ht_caps |= NETWORK_PHY_HT_CAP_RX_HT40_SGI; | |
202 | ||
203 | // TX STBC | |
204 | if (caps & BIT(7)) | |
205 | phy->ht_caps |= NETWORK_PHY_HT_CAP_TX_STBC; | |
206 | ||
207 | // RX STBC | |
208 | switch ((caps >> 8) & 0x3) { | |
209 | case 1: | |
210 | phy->ht_caps |= NETWORK_PHY_HT_CAP_RX_STBC1; | |
211 | break; | |
212 | ||
213 | case 2: | |
214 | phy->ht_caps |= NETWORK_PHY_HT_CAP_RX_STBC2; | |
215 | break; | |
216 | ||
217 | case 3: | |
218 | phy->ht_caps |= NETWORK_PHY_HT_CAP_RX_STBC3; | |
219 | break; | |
220 | ||
221 | default: | |
222 | break; | |
223 | } | |
224 | ||
225 | // HT Delayed Block ACK | |
226 | if (caps & BIT(10)) | |
227 | phy->ht_caps |= NETWORK_PHY_HT_CAP_DELAYED_BA; | |
228 | ||
229 | // Max AMSDU length 7935 | |
230 | if (caps & BIT(11)) | |
231 | phy->ht_caps |= NETWORK_PHY_HT_CAP_MAX_AMSDU_7935; | |
232 | ||
233 | // DSSS/CCK HT40 | |
234 | if (caps & BIT(12)) | |
235 | phy->ht_caps |= NETWORK_PHY_HT_CAP_DSSS_CCK_HT40; | |
236 | ||
237 | // Bit 13 is reserved | |
238 | ||
239 | // HT40 Intolerant | |
240 | if (caps & BIT(14)) | |
241 | phy->ht_caps |= NETWORK_PHY_HT_CAP_HT40_INTOLERANT; | |
242 | ||
243 | // L-SIG TXOP protection | |
244 | if (caps & BIT(15)) | |
245 | phy->ht_caps |= NETWORK_PHY_HT_CAP_LSIG_TXOP_PROT; | |
246 | } | |
247 | ||
394cff53 MT |
248 | static struct nla_policy phy_frequency_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = { |
249 | [NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 }, | |
250 | [NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG }, | |
251 | [NL80211_FREQUENCY_ATTR_NO_IR] = { .type = NLA_FLAG }, | |
252 | [__NL80211_FREQUENCY_ATTR_NO_IBSS] = { .type = NLA_FLAG }, | |
253 | [NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG }, | |
254 | [NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 }, | |
255 | }; | |
256 | ||
257 | static unsigned int phy_frequency_to_channel(unsigned int freq) { | |
258 | if (freq == 2484) | |
259 | return 14; | |
260 | ||
261 | else if (freq < 2484) | |
262 | return (freq - 2407) / 5; | |
263 | ||
264 | else if (freq >= 4910 && freq <= 4980) | |
265 | return (freq - 4000) / 5; | |
266 | ||
267 | else if (freq <= 45000) | |
268 | return (freq - 5000) / 5; | |
269 | ||
270 | else if (freq >= 58320 && freq <= 64800) | |
271 | return (freq - 56160) / 2160; | |
272 | ||
273 | return 0; | |
274 | }; | |
275 | ||
276 | static int phy_parse_channels(struct network_phy* phy, struct nlattr* nl_freqs) { | |
277 | struct nlattr* nl_freq; | |
278 | int rem_freq; | |
279 | ||
280 | struct nlattr* tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1]; | |
281 | nla_for_each_nested(nl_freq, nl_freqs, rem_freq) { | |
282 | // Get data | |
283 | nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX, nla_data(nl_freq), | |
284 | nla_len(nl_freq), phy_frequency_policy); | |
285 | ||
286 | if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ]) | |
287 | continue; | |
288 | ||
289 | // Skip any disabled channels | |
290 | if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED]) | |
291 | continue; | |
292 | ||
293 | struct network_phy_channel* channel = calloc(1, sizeof(*channel)); | |
294 | if (!channel) | |
295 | return -1; | |
296 | ||
297 | // Append object to list of channels | |
298 | TAILQ_INSERT_TAIL(&phy->channels, channel, channels); | |
299 | ||
300 | // Get frequency | |
301 | channel->frequency = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]); | |
302 | ||
303 | // Convert frequency to channel | |
304 | channel->number = phy_frequency_to_channel(channel->frequency); | |
305 | ||
306 | // Radar detection | |
307 | if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR]) | |
308 | channel->dfs = true; | |
309 | ||
310 | // Maximum TX power | |
311 | if (tb_freq[NL80211_FREQUENCY_ATTR_MAX_TX_POWER]) | |
312 | channel->max_tx_power = \ | |
313 | nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_MAX_TX_POWER]) * 0.01; | |
314 | } | |
315 | ||
316 | return 0; | |
317 | } | |
318 | ||
e145b2f3 MT |
319 | static int phy_parse_info(struct nl_msg* msg, void* data) { |
320 | struct network_phy* phy = data; | |
321 | ||
322 | struct nlattr* attrs[NL80211_ATTR_MAX + 1]; | |
323 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
324 | ||
325 | nla_parse(attrs, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
326 | genlmsg_attrlen(gnlh, 0), NULL); | |
327 | ||
328 | if (attrs[NL80211_ATTR_WIPHY_BANDS]) { | |
329 | struct nlattr* nl_band; | |
330 | int i; | |
331 | ||
332 | nla_for_each_nested(nl_band, attrs[NL80211_ATTR_WIPHY_BANDS], i) { | |
333 | struct nlattr* band_attrs[NL80211_BAND_ATTR_MAX + 1]; | |
334 | nla_parse(band_attrs, NL80211_BAND_ATTR_MAX, nla_data(nl_band), | |
335 | nla_len(nl_band), NULL); | |
336 | ||
337 | // HT Capabilities | |
338 | if (band_attrs[NL80211_BAND_ATTR_HT_CAPA]) { | |
b2323e58 MT |
339 | __u16 ht_caps = nla_get_u16(band_attrs[NL80211_BAND_ATTR_HT_CAPA]); |
340 | phy_parse_ht_capabilities(phy, ht_caps); | |
341 | } | |
342 | ||
343 | // VHT Capabilities | |
344 | if (band_attrs[NL80211_BAND_ATTR_VHT_CAPA]) { | |
345 | __u32 vht_caps = nla_get_u32(band_attrs[NL80211_BAND_ATTR_VHT_CAPA]); | |
346 | ||
347 | phy_parse_vht_capabilities(phy, vht_caps); | |
e145b2f3 | 348 | } |
394cff53 MT |
349 | |
350 | // Frequencies | |
351 | if (band_attrs[NL80211_BAND_ATTR_FREQS]) { | |
352 | phy_parse_channels(phy, band_attrs[NL80211_BAND_ATTR_FREQS]); | |
353 | } | |
e145b2f3 MT |
354 | } |
355 | } | |
356 | ||
357 | return NL_OK; | |
358 | } | |
359 | ||
360 | static int phy_get_info(struct network_phy* phy) { | |
361 | DEBUG(phy->ctx, "Getting information for %s\n", phy->name); | |
362 | ||
363 | struct nl_msg* msg = network_phy_make_netlink_message(phy, NL80211_CMD_GET_WIPHY, 0); | |
364 | if (!msg) | |
365 | return -1; | |
366 | ||
984a1852 MT |
367 | int r = network_send_netlink_message(phy->ctx, msg, phy_parse_info, phy); |
368 | ||
369 | // This is fine since some devices are not supported by NL80211 | |
370 | if (r == -ENODEV) { | |
371 | DEBUG(phy->ctx, "Could not fetch information from kernel\n"); | |
372 | return 0; | |
373 | } | |
374 | ||
375 | return r; | |
e145b2f3 MT |
376 | } |
377 | ||
378 | static void network_phy_free(struct network_phy* phy) { | |
379 | DEBUG(phy->ctx, "Releasing phy at %p\n", phy); | |
380 | ||
394cff53 MT |
381 | // Destroy all channels |
382 | while (!TAILQ_EMPTY(&phy->channels)) { | |
383 | struct network_phy_channel* channel = TAILQ_FIRST(&phy->channels); | |
384 | TAILQ_REMOVE(&phy->channels, channel, channels); | |
385 | free(channel); | |
386 | } | |
387 | ||
e145b2f3 MT |
388 | if (phy->name) |
389 | free(phy->name); | |
390 | ||
391 | network_unref(phy->ctx); | |
392 | free(phy); | |
393 | } | |
394 | ||
9cb2f0c0 MT |
395 | NETWORK_EXPORT int network_phy_new(struct network_ctx* ctx, struct network_phy** phy, |
396 | const char* name) { | |
397 | if (!name) | |
398 | return -EINVAL; | |
399 | ||
400 | int index = phy_get_index(name); | |
401 | if (index < 0) | |
402 | return -ENODEV; | |
403 | ||
404 | struct network_phy* p = calloc(1, sizeof(*p)); | |
405 | if (!p) | |
406 | return -ENOMEM; | |
407 | ||
408 | // Initalise object | |
409 | p->ctx = network_ref(ctx); | |
410 | p->refcount = 1; | |
411 | ||
e145b2f3 | 412 | p->name = strdup(name); |
1ffc4679 | 413 | p->index = index; |
e145b2f3 | 414 | |
394cff53 MT |
415 | TAILQ_INIT(&p->channels); |
416 | ||
e145b2f3 MT |
417 | // Load information from kernel |
418 | int r = phy_get_info(p); | |
419 | if (r) { | |
420 | ERROR(p->ctx, "Error getting PHY information from kernel\n"); | |
421 | network_phy_free(p); | |
422 | ||
423 | return r; | |
424 | } | |
425 | ||
1ffc4679 | 426 | DEBUG(p->ctx, "Allocated phy at %p (index = %d)\n", p, p->index); |
9cb2f0c0 MT |
427 | *phy = p; |
428 | return 0; | |
429 | } | |
430 | ||
431 | NETWORK_EXPORT struct network_phy* network_phy_ref(struct network_phy* phy) { | |
432 | if (!phy) | |
433 | return NULL; | |
434 | ||
435 | phy->refcount++; | |
436 | return phy; | |
437 | } | |
438 | ||
9cb2f0c0 MT |
439 | NETWORK_EXPORT struct network_phy* network_phy_unref(struct network_phy* phy) { |
440 | if (!phy) | |
441 | return NULL; | |
442 | ||
443 | if (--phy->refcount > 0) | |
444 | return phy; | |
445 | ||
446 | network_phy_free(phy); | |
447 | return NULL; | |
448 | } | |
e145b2f3 MT |
449 | |
450 | struct nl_msg* network_phy_make_netlink_message(struct network_phy* phy, | |
451 | enum nl80211_commands cmd, int flags) { | |
452 | struct nl_msg* msg = network_make_netlink_message(phy->ctx, cmd, flags); | |
453 | if (!msg) | |
454 | return NULL; | |
455 | ||
456 | // Set PHY index | |
457 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, phy->index); | |
458 | ||
459 | return msg; | |
460 | ||
461 | nla_put_failure: | |
462 | nlmsg_free(msg); | |
463 | ||
464 | return NULL; | |
465 | } | |
466 | ||
b2323e58 MT |
467 | NETWORK_EXPORT int network_phy_has_vht_capability(struct network_phy* phy, const enum network_phy_vht_caps cap) { |
468 | return phy->vht_caps & cap; | |
469 | } | |
470 | ||
e145b2f3 MT |
471 | NETWORK_EXPORT int network_phy_has_ht_capability(struct network_phy* phy, const enum network_phy_ht_caps cap) { |
472 | return phy->ht_caps & cap; | |
473 | } | |
474 | ||
b2323e58 MT |
475 | static const char* network_phy_get_vht_capability_string(const enum network_phy_vht_caps cap) { |
476 | switch (cap) { | |
477 | case NETWORK_PHY_VHT_CAP_VHT160: | |
478 | return "[VHT-160]"; | |
479 | ||
480 | case NETWORK_PHY_VHT_CAP_VHT80PLUS80: | |
481 | return "[VHT-160-80PLUS80]"; | |
482 | ||
483 | case NETWORK_PHY_VHT_CAP_RX_LDPC: | |
484 | return "[RXLDPC]"; | |
485 | ||
486 | case NETWORK_PHY_VHT_CAP_RX_SHORT_GI_80: | |
487 | return "[SHORT-GI-80]"; | |
488 | ||
489 | case NETWORK_PHY_VHT_CAP_RX_SHORT_GI_160: | |
490 | return "[SHORT-GI-160]"; | |
491 | ||
492 | case NETWORK_PHY_VHT_CAP_TX_STBC: | |
493 | return "[TX-STBC-2BY1]"; | |
494 | ||
495 | case NETWORK_PHY_VHT_CAP_SU_BEAMFORMER: | |
496 | return "[SU-BEAMFORMER]"; | |
497 | ||
498 | case NETWORK_PHY_VHT_CAP_SU_BEAMFORMEE: | |
499 | return "[SU-BEAMFORMEE]"; | |
500 | ||
501 | case NETWORK_PHY_VHT_CAP_MU_BEAMFORMER: | |
502 | return "[MU-BEAMFORMER]"; | |
503 | ||
504 | case NETWORK_PHY_VHT_CAP_MU_BEAMFORMEE: | |
505 | return "[MU-BEAMFORMEE]"; | |
506 | ||
507 | case NETWORK_PHY_VHT_CAP_TXOP_PS: | |
508 | return "[VHT-TXOP-PS]"; | |
509 | ||
510 | case NETWORK_PHY_VHT_CAP_HTC_VHT: | |
511 | return "[HTC-VHT]"; | |
512 | ||
513 | case NETWORK_PHY_VHT_CAP_RX_ANTENNA_PATTERN: | |
514 | return "[RX-ANTENNA-PATTERN]"; | |
515 | ||
516 | case NETWORK_PHY_VHT_CAP_TX_ANTENNA_PATTERN: | |
517 | return "[TX-ANTENNA-PATTERN]"; | |
518 | } | |
519 | ||
520 | return NULL; | |
521 | } | |
522 | ||
e145b2f3 MT |
523 | static const char* network_phy_get_ht_capability_string(const enum network_phy_ht_caps cap) { |
524 | switch (cap) { | |
a4a2f65d | 525 | case NETWORK_PHY_HT_CAP_RX_LDPC: |
e145b2f3 MT |
526 | return "[LDPC]"; |
527 | ||
528 | case NETWORK_PHY_HT_CAP_HT40: | |
529 | return "[HT40+][HT40-]"; | |
530 | ||
531 | case NETWORK_PHY_HT_CAP_SMPS_STATIC: | |
532 | return "[SMPS-STATIC]"; | |
533 | ||
534 | case NETWORK_PHY_HT_CAP_SMPS_DYNAMIC: | |
535 | return "[SMPS-DYNAMIC]"; | |
536 | ||
537 | case NETWORK_PHY_HT_CAP_RX_GF: | |
538 | return "[GF]"; | |
539 | ||
540 | case NETWORK_PHY_HT_CAP_RX_HT20_SGI: | |
541 | return "[SHORT-GI-20]"; | |
542 | ||
543 | case NETWORK_PHY_HT_CAP_RX_HT40_SGI: | |
544 | return "[SHORT-GI-40]"; | |
545 | ||
546 | case NETWORK_PHY_HT_CAP_TX_STBC: | |
547 | return "[TX-STBC]"; | |
548 | ||
549 | case NETWORK_PHY_HT_CAP_RX_STBC1: | |
550 | return "[RX-STBC1]"; | |
551 | ||
552 | case NETWORK_PHY_HT_CAP_RX_STBC2: | |
553 | return "[RX-STBC12]"; | |
554 | ||
555 | case NETWORK_PHY_HT_CAP_RX_STBC3: | |
556 | return "[RX-STBC123]"; | |
557 | ||
558 | case NETWORK_PHY_HT_CAP_DELAYED_BA: | |
559 | return "[DELAYED-BA]"; | |
560 | ||
561 | case NETWORK_PHY_HT_CAP_MAX_AMSDU_7935: | |
562 | return "[MAX-AMSDU-7935]"; | |
563 | ||
564 | case NETWORK_PHY_HT_CAP_DSSS_CCK_HT40: | |
565 | return "[DSSS_CCK-40]"; | |
566 | ||
567 | case NETWORK_PHY_HT_CAP_HT40_INTOLERANT: | |
568 | return "[40-INTOLERANT]"; | |
569 | ||
570 | case NETWORK_PHY_HT_CAP_LSIG_TXOP_PROT: | |
571 | return "[LSIG-TXOP-PROT]"; | |
572 | } | |
573 | ||
574 | return NULL; | |
575 | } | |
576 | ||
b2323e58 MT |
577 | NETWORK_EXPORT char* network_phy_list_vht_capabilities(struct network_phy* phy) { |
578 | char* buffer = malloc(1024); | |
579 | *buffer = '\0'; | |
580 | ||
581 | char* p = buffer; | |
582 | ||
583 | switch (phy->max_mpdu_length) { | |
584 | case 7991: | |
585 | case 11454: | |
586 | snprintf(p, 1024 - 1, "[MAX-MPDU-%zu]", phy->max_mpdu_length); | |
587 | break; | |
588 | ||
589 | } | |
590 | ||
591 | foreach_vht_cap(cap) { | |
b2323e58 MT |
592 | if (network_phy_has_vht_capability(phy, cap)) { |
593 | const char* cap_str = network_phy_get_vht_capability_string(cap); | |
594 | ||
595 | if (cap_str) | |
596 | p = strncat(p, cap_str, 1024 - 1); | |
597 | } | |
598 | } | |
599 | ||
600 | return buffer; | |
601 | } | |
602 | ||
e145b2f3 MT |
603 | NETWORK_EXPORT char* network_phy_list_ht_capabilities(struct network_phy* phy) { |
604 | char* buffer = malloc(1024); | |
605 | *buffer = '\0'; | |
606 | ||
607 | char* p = buffer; | |
608 | foreach_ht_cap(cap) { | |
609 | if (network_phy_has_ht_capability(phy, cap)) { | |
610 | const char* cap_str = network_phy_get_ht_capability_string(cap); | |
611 | ||
612 | if (cap_str) | |
613 | p = strncat(p, cap_str, 1024 - 1); | |
614 | } | |
615 | } | |
616 | ||
617 | return buffer; | |
618 | } | |
394cff53 MT |
619 | |
620 | NETWORK_EXPORT char* network_phy_list_channels(struct network_phy* phy) { | |
621 | char string[10240] = "CHAN FREQ DFS TXPWR\n"; | |
622 | char* p = string + strlen(string); | |
623 | ||
624 | struct network_phy_channel* channel; | |
625 | TAILQ_FOREACH(channel, &phy->channels, channels) { | |
626 | p += sprintf(p, "%-4u %-5u %-3s %-4.1f\n", | |
627 | channel->number, | |
628 | channel->frequency, | |
629 | (channel->dfs) ? "Y" : "N", | |
630 | channel->max_tx_power | |
631 | ); | |
632 | } | |
633 | ||
634 | return strdup(string); | |
635 | } |