1 | // SPDX-License-Identifier: GPL-2.0-only |
2 | /* |
3 | * Copyright 2003-2005 Devicescape Software, Inc. |
4 | * Copyright (c) 2006 Jiri Benc <jbenc@suse.cz> |
5 | * Copyright 2007 Johannes Berg <johannes@sipsolutions.net> |
6 | * Copyright 2013-2014 Intel Mobile Communications GmbH |
7 | * Copyright(c) 2016 Intel Deutschland GmbH |
8 | * Copyright (C) 2018 - 2023 Intel Corporation |
9 | */ |
10 | |
11 | #include <linux/debugfs.h> |
12 | #include <linux/ieee80211.h> |
13 | #include "ieee80211_i.h" |
14 | #include "debugfs.h" |
15 | #include "debugfs_sta.h" |
16 | #include "sta_info.h" |
17 | #include "driver-ops.h" |
18 | |
19 | /* sta attributtes */ |
20 | |
21 | #define STA_READ(name, field, format_string) \ |
22 | static ssize_t sta_ ##name## _read(struct file *file, \ |
23 | char __user *userbuf, \ |
24 | size_t count, loff_t *ppos) \ |
25 | { \ |
26 | struct sta_info *sta = file->private_data; \ |
27 | return mac80211_format_buffer(userbuf, count, ppos, \ |
28 | format_string, sta->field); \ |
29 | } |
30 | #define STA_READ_D(name, field) STA_READ(name, field, "%d\n") |
31 | |
32 | #define STA_OPS(name) \ |
33 | static const struct file_operations sta_ ##name## _ops = { \ |
34 | .read = sta_##name##_read, \ |
35 | .open = simple_open, \ |
36 | .llseek = generic_file_llseek, \ |
37 | } |
38 | |
39 | #define STA_OPS_RW(name) \ |
40 | static const struct file_operations sta_ ##name## _ops = { \ |
41 | .read = sta_##name##_read, \ |
42 | .write = sta_##name##_write, \ |
43 | .open = simple_open, \ |
44 | .llseek = generic_file_llseek, \ |
45 | } |
46 | |
47 | #define STA_FILE(name, field, format) \ |
48 | STA_READ_##format(name, field) \ |
49 | STA_OPS(name) |
50 | |
51 | STA_FILE(aid, sta.aid, D); |
52 | |
53 | static const char * const sta_flag_names[] = { |
54 | #define FLAG(F) [WLAN_STA_##F] = #F |
55 | FLAG(AUTH), |
56 | FLAG(ASSOC), |
57 | FLAG(PS_STA), |
58 | FLAG(AUTHORIZED), |
59 | FLAG(SHORT_PREAMBLE), |
60 | FLAG(WDS), |
61 | FLAG(CLEAR_PS_FILT), |
62 | FLAG(MFP), |
63 | FLAG(BLOCK_BA), |
64 | FLAG(PS_DRIVER), |
65 | FLAG(PSPOLL), |
66 | FLAG(TDLS_PEER), |
67 | FLAG(TDLS_PEER_AUTH), |
68 | FLAG(TDLS_INITIATOR), |
69 | FLAG(TDLS_CHAN_SWITCH), |
70 | FLAG(TDLS_OFF_CHANNEL), |
71 | FLAG(TDLS_WIDER_BW), |
72 | FLAG(UAPSD), |
73 | FLAG(SP), |
74 | FLAG(4ADDR_EVENT), |
75 | FLAG(INSERTED), |
76 | FLAG(RATE_CONTROL), |
77 | FLAG(TOFFSET_KNOWN), |
78 | FLAG(MPSP_OWNER), |
79 | FLAG(MPSP_RECIPIENT), |
80 | FLAG(PS_DELIVER), |
81 | FLAG(USES_ENCRYPTION), |
82 | FLAG(DECAP_OFFLOAD), |
83 | #undef FLAG |
84 | }; |
85 | |
86 | static ssize_t sta_flags_read(struct file *file, char __user *userbuf, |
87 | size_t count, loff_t *ppos) |
88 | { |
89 | char buf[16 * NUM_WLAN_STA_FLAGS], *pos = buf; |
90 | char *end = buf + sizeof(buf) - 1; |
91 | struct sta_info *sta = file->private_data; |
92 | unsigned int flg; |
93 | |
94 | BUILD_BUG_ON(ARRAY_SIZE(sta_flag_names) != NUM_WLAN_STA_FLAGS); |
95 | |
96 | for (flg = 0; flg < NUM_WLAN_STA_FLAGS; flg++) { |
97 | if (test_sta_flag(sta, flag: flg)) |
98 | pos += scnprintf(buf: pos, size: end - pos, fmt: "%s\n" , |
99 | sta_flag_names[flg]); |
100 | } |
101 | |
102 | return simple_read_from_buffer(to: userbuf, count, ppos, from: buf, strlen(buf)); |
103 | } |
104 | STA_OPS(flags); |
105 | |
106 | static ssize_t sta_num_ps_buf_frames_read(struct file *file, |
107 | char __user *userbuf, |
108 | size_t count, loff_t *ppos) |
109 | { |
110 | struct sta_info *sta = file->private_data; |
111 | char buf[17*IEEE80211_NUM_ACS], *p = buf; |
112 | int ac; |
113 | |
114 | for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) |
115 | p += scnprintf(buf: p, size: sizeof(buf)+buf-p, fmt: "AC%d: %d\n" , ac, |
116 | skb_queue_len(list_: &sta->ps_tx_buf[ac]) + |
117 | skb_queue_len(list_: &sta->tx_filtered[ac])); |
118 | return simple_read_from_buffer(to: userbuf, count, ppos, from: buf, available: p - buf); |
119 | } |
120 | STA_OPS(num_ps_buf_frames); |
121 | |
122 | static ssize_t sta_last_seq_ctrl_read(struct file *file, char __user *userbuf, |
123 | size_t count, loff_t *ppos) |
124 | { |
125 | char buf[15*IEEE80211_NUM_TIDS], *p = buf; |
126 | int i; |
127 | struct sta_info *sta = file->private_data; |
128 | for (i = 0; i < IEEE80211_NUM_TIDS; i++) |
129 | p += scnprintf(buf: p, size: sizeof(buf)+buf-p, fmt: "%x " , |
130 | le16_to_cpu(sta->last_seq_ctrl[i])); |
131 | p += scnprintf(buf: p, size: sizeof(buf)+buf-p, fmt: "\n" ); |
132 | return simple_read_from_buffer(to: userbuf, count, ppos, from: buf, available: p - buf); |
133 | } |
134 | STA_OPS(last_seq_ctrl); |
135 | |
136 | #define AQM_TXQ_ENTRY_LEN 130 |
137 | |
138 | static ssize_t sta_aqm_read(struct file *file, char __user *userbuf, |
139 | size_t count, loff_t *ppos) |
140 | { |
141 | struct sta_info *sta = file->private_data; |
142 | struct ieee80211_local *local = sta->local; |
143 | size_t bufsz = AQM_TXQ_ENTRY_LEN * (IEEE80211_NUM_TIDS + 2); |
144 | char *buf = kzalloc(size: bufsz, GFP_KERNEL), *p = buf; |
145 | struct txq_info *txqi; |
146 | ssize_t rv; |
147 | int i; |
148 | |
149 | if (!buf) |
150 | return -ENOMEM; |
151 | |
152 | spin_lock_bh(lock: &local->fq.lock); |
153 | rcu_read_lock(); |
154 | |
155 | p += scnprintf(buf: p, |
156 | size: bufsz + buf - p, |
157 | fmt: "target %uus interval %uus ecn %s\n" , |
158 | codel_time_to_us(val: sta->cparams.target), |
159 | codel_time_to_us(val: sta->cparams.interval), |
160 | sta->cparams.ecn ? "yes" : "no" ); |
161 | p += scnprintf(buf: p, |
162 | size: bufsz + buf - p, |
163 | fmt: "tid ac backlog-bytes backlog-packets new-flows drops marks overlimit collisions tx-bytes tx-packets flags\n" ); |
164 | |
165 | for (i = 0; i < ARRAY_SIZE(sta->sta.txq); i++) { |
166 | if (!sta->sta.txq[i]) |
167 | continue; |
168 | txqi = to_txq_info(txq: sta->sta.txq[i]); |
169 | p += scnprintf(buf: p, size: bufsz + buf - p, |
170 | fmt: "%d %d %u %u %u %u %u %u %u %u %u 0x%lx(%s%s%s%s)\n" , |
171 | txqi->txq.tid, |
172 | txqi->txq.ac, |
173 | txqi->tin.backlog_bytes, |
174 | txqi->tin.backlog_packets, |
175 | txqi->tin.flows, |
176 | txqi->cstats.drop_count, |
177 | txqi->cstats.ecn_mark, |
178 | txqi->tin.overlimit, |
179 | txqi->tin.collisions, |
180 | txqi->tin.tx_bytes, |
181 | txqi->tin.tx_packets, |
182 | txqi->flags, |
183 | test_bit(IEEE80211_TXQ_STOP, &txqi->flags) ? "STOP" : "RUN" , |
184 | test_bit(IEEE80211_TXQ_AMPDU, &txqi->flags) ? " AMPDU" : "" , |
185 | test_bit(IEEE80211_TXQ_NO_AMSDU, &txqi->flags) ? " NO-AMSDU" : "" , |
186 | test_bit(IEEE80211_TXQ_DIRTY, &txqi->flags) ? " DIRTY" : "" ); |
187 | } |
188 | |
189 | rcu_read_unlock(); |
190 | spin_unlock_bh(lock: &local->fq.lock); |
191 | |
192 | rv = simple_read_from_buffer(to: userbuf, count, ppos, from: buf, available: p - buf); |
193 | kfree(objp: buf); |
194 | return rv; |
195 | } |
196 | STA_OPS(aqm); |
197 | |
198 | static ssize_t sta_airtime_read(struct file *file, char __user *userbuf, |
199 | size_t count, loff_t *ppos) |
200 | { |
201 | struct sta_info *sta = file->private_data; |
202 | struct ieee80211_local *local = sta->sdata->local; |
203 | size_t bufsz = 400; |
204 | char *buf = kzalloc(size: bufsz, GFP_KERNEL), *p = buf; |
205 | u64 rx_airtime = 0, tx_airtime = 0; |
206 | s32 deficit[IEEE80211_NUM_ACS]; |
207 | ssize_t rv; |
208 | int ac; |
209 | |
210 | if (!buf) |
211 | return -ENOMEM; |
212 | |
213 | for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { |
214 | spin_lock_bh(lock: &local->active_txq_lock[ac]); |
215 | rx_airtime += sta->airtime[ac].rx_airtime; |
216 | tx_airtime += sta->airtime[ac].tx_airtime; |
217 | deficit[ac] = sta->airtime[ac].deficit; |
218 | spin_unlock_bh(lock: &local->active_txq_lock[ac]); |
219 | } |
220 | |
221 | p += scnprintf(buf: p, size: bufsz + buf - p, |
222 | fmt: "RX: %llu us\nTX: %llu us\nWeight: %u\n" |
223 | "Deficit: VO: %d us VI: %d us BE: %d us BK: %d us\n" , |
224 | rx_airtime, tx_airtime, sta->airtime_weight, |
225 | deficit[0], deficit[1], deficit[2], deficit[3]); |
226 | |
227 | rv = simple_read_from_buffer(to: userbuf, count, ppos, from: buf, available: p - buf); |
228 | kfree(objp: buf); |
229 | return rv; |
230 | } |
231 | |
232 | static ssize_t sta_airtime_write(struct file *file, const char __user *userbuf, |
233 | size_t count, loff_t *ppos) |
234 | { |
235 | struct sta_info *sta = file->private_data; |
236 | struct ieee80211_local *local = sta->sdata->local; |
237 | int ac; |
238 | |
239 | for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { |
240 | spin_lock_bh(lock: &local->active_txq_lock[ac]); |
241 | sta->airtime[ac].rx_airtime = 0; |
242 | sta->airtime[ac].tx_airtime = 0; |
243 | sta->airtime[ac].deficit = sta->airtime_weight; |
244 | spin_unlock_bh(lock: &local->active_txq_lock[ac]); |
245 | } |
246 | |
247 | return count; |
248 | } |
249 | STA_OPS_RW(airtime); |
250 | |
251 | static ssize_t sta_aql_read(struct file *file, char __user *userbuf, |
252 | size_t count, loff_t *ppos) |
253 | { |
254 | struct sta_info *sta = file->private_data; |
255 | struct ieee80211_local *local = sta->sdata->local; |
256 | size_t bufsz = 400; |
257 | char *buf = kzalloc(size: bufsz, GFP_KERNEL), *p = buf; |
258 | u32 q_depth[IEEE80211_NUM_ACS]; |
259 | u32 q_limit_l[IEEE80211_NUM_ACS], q_limit_h[IEEE80211_NUM_ACS]; |
260 | ssize_t rv; |
261 | int ac; |
262 | |
263 | if (!buf) |
264 | return -ENOMEM; |
265 | |
266 | for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { |
267 | spin_lock_bh(lock: &local->active_txq_lock[ac]); |
268 | q_limit_l[ac] = sta->airtime[ac].aql_limit_low; |
269 | q_limit_h[ac] = sta->airtime[ac].aql_limit_high; |
270 | spin_unlock_bh(lock: &local->active_txq_lock[ac]); |
271 | q_depth[ac] = atomic_read(v: &sta->airtime[ac].aql_tx_pending); |
272 | } |
273 | |
274 | p += scnprintf(buf: p, size: bufsz + buf - p, |
275 | fmt: "Q depth: VO: %u us VI: %u us BE: %u us BK: %u us\n" |
276 | "Q limit[low/high]: VO: %u/%u VI: %u/%u BE: %u/%u BK: %u/%u\n" , |
277 | q_depth[0], q_depth[1], q_depth[2], q_depth[3], |
278 | q_limit_l[0], q_limit_h[0], q_limit_l[1], q_limit_h[1], |
279 | q_limit_l[2], q_limit_h[2], q_limit_l[3], q_limit_h[3]); |
280 | |
281 | rv = simple_read_from_buffer(to: userbuf, count, ppos, from: buf, available: p - buf); |
282 | kfree(objp: buf); |
283 | return rv; |
284 | } |
285 | |
286 | static ssize_t sta_aql_write(struct file *file, const char __user *userbuf, |
287 | size_t count, loff_t *ppos) |
288 | { |
289 | struct sta_info *sta = file->private_data; |
290 | u32 ac, q_limit_l, q_limit_h; |
291 | char _buf[100] = {}, *buf = _buf; |
292 | |
293 | if (count > sizeof(_buf)) |
294 | return -EINVAL; |
295 | |
296 | if (copy_from_user(to: buf, from: userbuf, n: count)) |
297 | return -EFAULT; |
298 | |
299 | buf[sizeof(_buf) - 1] = '\0'; |
300 | if (sscanf(buf, "limit %u %u %u" , &ac, &q_limit_l, &q_limit_h) |
301 | != 3) |
302 | return -EINVAL; |
303 | |
304 | if (ac >= IEEE80211_NUM_ACS) |
305 | return -EINVAL; |
306 | |
307 | sta->airtime[ac].aql_limit_low = q_limit_l; |
308 | sta->airtime[ac].aql_limit_high = q_limit_h; |
309 | |
310 | return count; |
311 | } |
312 | STA_OPS_RW(aql); |
313 | |
314 | |
315 | static ssize_t sta_agg_status_read(struct file *file, char __user *userbuf, |
316 | size_t count, loff_t *ppos) |
317 | { |
318 | char *buf, *p; |
319 | ssize_t bufsz = 71 + IEEE80211_NUM_TIDS * 40; |
320 | int i; |
321 | struct sta_info *sta = file->private_data; |
322 | struct tid_ampdu_rx *tid_rx; |
323 | struct tid_ampdu_tx *tid_tx; |
324 | ssize_t ret; |
325 | |
326 | buf = kzalloc(size: bufsz, GFP_KERNEL); |
327 | if (!buf) |
328 | return -ENOMEM; |
329 | p = buf; |
330 | |
331 | rcu_read_lock(); |
332 | |
333 | p += scnprintf(buf: p, size: bufsz + buf - p, fmt: "next dialog_token: %#02x\n" , |
334 | sta->ampdu_mlme.dialog_token_allocator + 1); |
335 | p += scnprintf(buf: p, size: bufsz + buf - p, |
336 | fmt: "TID\t\tRX\tDTKN\tSSN\t\tTX\tDTKN\tpending\n" ); |
337 | |
338 | for (i = 0; i < IEEE80211_NUM_TIDS; i++) { |
339 | bool tid_rx_valid; |
340 | |
341 | tid_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[i]); |
342 | tid_tx = rcu_dereference(sta->ampdu_mlme.tid_tx[i]); |
343 | tid_rx_valid = test_bit(i, sta->ampdu_mlme.agg_session_valid); |
344 | |
345 | p += scnprintf(buf: p, size: bufsz + buf - p, fmt: "%02d" , i); |
346 | p += scnprintf(buf: p, size: bufsz + buf - p, fmt: "\t\t%x" , |
347 | tid_rx_valid); |
348 | p += scnprintf(buf: p, size: bufsz + buf - p, fmt: "\t%#.2x" , |
349 | tid_rx_valid ? |
350 | sta->ampdu_mlme.tid_rx_token[i] : 0); |
351 | p += scnprintf(buf: p, size: bufsz + buf - p, fmt: "\t%#.3x" , |
352 | tid_rx ? tid_rx->ssn : 0); |
353 | |
354 | p += scnprintf(buf: p, size: bufsz + buf - p, fmt: "\t\t%x" , !!tid_tx); |
355 | p += scnprintf(buf: p, size: bufsz + buf - p, fmt: "\t%#.2x" , |
356 | tid_tx ? tid_tx->dialog_token : 0); |
357 | p += scnprintf(buf: p, size: bufsz + buf - p, fmt: "\t%03d" , |
358 | tid_tx ? skb_queue_len(list_: &tid_tx->pending) : 0); |
359 | p += scnprintf(buf: p, size: bufsz + buf - p, fmt: "\n" ); |
360 | } |
361 | rcu_read_unlock(); |
362 | |
363 | ret = simple_read_from_buffer(to: userbuf, count, ppos, from: buf, available: p - buf); |
364 | kfree(objp: buf); |
365 | return ret; |
366 | } |
367 | |
368 | static ssize_t sta_agg_status_write(struct file *file, const char __user *userbuf, |
369 | size_t count, loff_t *ppos) |
370 | { |
371 | char _buf[25] = {}, *buf = _buf; |
372 | struct sta_info *sta = file->private_data; |
373 | bool start, tx; |
374 | unsigned long tid; |
375 | char *pos; |
376 | int ret, timeout = 5000; |
377 | |
378 | if (count > sizeof(_buf)) |
379 | return -EINVAL; |
380 | |
381 | if (copy_from_user(to: buf, from: userbuf, n: count)) |
382 | return -EFAULT; |
383 | |
384 | buf[sizeof(_buf) - 1] = '\0'; |
385 | pos = buf; |
386 | buf = strsep(&pos, " " ); |
387 | if (!buf) |
388 | return -EINVAL; |
389 | |
390 | if (!strcmp(buf, "tx" )) |
391 | tx = true; |
392 | else if (!strcmp(buf, "rx" )) |
393 | tx = false; |
394 | else |
395 | return -EINVAL; |
396 | |
397 | buf = strsep(&pos, " " ); |
398 | if (!buf) |
399 | return -EINVAL; |
400 | if (!strcmp(buf, "start" )) { |
401 | start = true; |
402 | if (!tx) |
403 | return -EINVAL; |
404 | } else if (!strcmp(buf, "stop" )) { |
405 | start = false; |
406 | } else { |
407 | return -EINVAL; |
408 | } |
409 | |
410 | buf = strsep(&pos, " " ); |
411 | if (!buf) |
412 | return -EINVAL; |
413 | if (sscanf(buf, "timeout=%d" , &timeout) == 1) { |
414 | buf = strsep(&pos, " " ); |
415 | if (!buf || !tx || !start) |
416 | return -EINVAL; |
417 | } |
418 | |
419 | ret = kstrtoul(s: buf, base: 0, res: &tid); |
420 | if (ret || tid >= IEEE80211_NUM_TIDS) |
421 | return -EINVAL; |
422 | |
423 | wiphy_lock(wiphy: sta->local->hw.wiphy); |
424 | if (tx) { |
425 | if (start) |
426 | ret = ieee80211_start_tx_ba_session(sta: &sta->sta, tid, |
427 | timeout); |
428 | else |
429 | ret = ieee80211_stop_tx_ba_session(sta: &sta->sta, tid); |
430 | } else { |
431 | __ieee80211_stop_rx_ba_session(sta, tid, initiator: WLAN_BACK_RECIPIENT, |
432 | reason: 3, stop: true); |
433 | ret = 0; |
434 | } |
435 | wiphy_unlock(wiphy: sta->local->hw.wiphy); |
436 | |
437 | return ret ?: count; |
438 | } |
439 | STA_OPS_RW(agg_status); |
440 | |
441 | /* link sta attributes */ |
442 | #define LINK_STA_OPS(name) \ |
443 | static const struct file_operations link_sta_ ##name## _ops = { \ |
444 | .read = link_sta_##name##_read, \ |
445 | .open = simple_open, \ |
446 | .llseek = generic_file_llseek, \ |
447 | } |
448 | |
449 | static ssize_t link_sta_addr_read(struct file *file, char __user *userbuf, |
450 | size_t count, loff_t *ppos) |
451 | { |
452 | struct link_sta_info *link_sta = file->private_data; |
453 | u8 mac[3 * ETH_ALEN + 1]; |
454 | |
455 | snprintf(buf: mac, size: sizeof(mac), fmt: "%pM\n" , link_sta->pub->addr); |
456 | |
457 | return simple_read_from_buffer(to: userbuf, count, ppos, from: mac, available: 3 * ETH_ALEN); |
458 | } |
459 | |
460 | LINK_STA_OPS(addr); |
461 | |
462 | static ssize_t link_sta_ht_capa_read(struct file *file, char __user *userbuf, |
463 | size_t count, loff_t *ppos) |
464 | { |
465 | #define PRINT_HT_CAP(_cond, _str) \ |
466 | do { \ |
467 | if (_cond) \ |
468 | p += scnprintf(p, bufsz + buf - p, "\t" _str "\n"); \ |
469 | } while (0) |
470 | char *buf, *p; |
471 | int i; |
472 | ssize_t bufsz = 512; |
473 | struct link_sta_info *link_sta = file->private_data; |
474 | struct ieee80211_sta_ht_cap *htc = &link_sta->pub->ht_cap; |
475 | ssize_t ret; |
476 | |
477 | buf = kzalloc(size: bufsz, GFP_KERNEL); |
478 | if (!buf) |
479 | return -ENOMEM; |
480 | p = buf; |
481 | |
482 | p += scnprintf(buf: p, size: bufsz + buf - p, fmt: "ht %ssupported\n" , |
483 | htc->ht_supported ? "" : "not " ); |
484 | if (htc->ht_supported) { |
485 | p += scnprintf(buf: p, size: bufsz + buf - p, fmt: "cap: %#.4x\n" , htc->cap); |
486 | |
487 | PRINT_HT_CAP((htc->cap & BIT(0)), "RX LDPC" ); |
488 | PRINT_HT_CAP((htc->cap & BIT(1)), "HT20/HT40" ); |
489 | PRINT_HT_CAP(!(htc->cap & BIT(1)), "HT20" ); |
490 | |
491 | PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 0, "Static SM Power Save" ); |
492 | PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 1, "Dynamic SM Power Save" ); |
493 | PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 3, "SM Power Save disabled" ); |
494 | |
495 | PRINT_HT_CAP((htc->cap & BIT(4)), "RX Greenfield" ); |
496 | PRINT_HT_CAP((htc->cap & BIT(5)), "RX HT20 SGI" ); |
497 | PRINT_HT_CAP((htc->cap & BIT(6)), "RX HT40 SGI" ); |
498 | PRINT_HT_CAP((htc->cap & BIT(7)), "TX STBC" ); |
499 | |
500 | PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 0, "No RX STBC" ); |
501 | PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 1, "RX STBC 1-stream" ); |
502 | PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 2, "RX STBC 2-streams" ); |
503 | PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 3, "RX STBC 3-streams" ); |
504 | |
505 | PRINT_HT_CAP((htc->cap & BIT(10)), "HT Delayed Block Ack" ); |
506 | |
507 | PRINT_HT_CAP(!(htc->cap & BIT(11)), "Max AMSDU length: " |
508 | "3839 bytes" ); |
509 | PRINT_HT_CAP((htc->cap & BIT(11)), "Max AMSDU length: " |
510 | "7935 bytes" ); |
511 | |
512 | /* |
513 | * For beacons and probe response this would mean the BSS |
514 | * does or does not allow the usage of DSSS/CCK HT40. |
515 | * Otherwise it means the STA does or does not use |
516 | * DSSS/CCK HT40. |
517 | */ |
518 | PRINT_HT_CAP((htc->cap & BIT(12)), "DSSS/CCK HT40" ); |
519 | PRINT_HT_CAP(!(htc->cap & BIT(12)), "No DSSS/CCK HT40" ); |
520 | |
521 | /* BIT(13) is reserved */ |
522 | |
523 | PRINT_HT_CAP((htc->cap & BIT(14)), "40 MHz Intolerant" ); |
524 | |
525 | PRINT_HT_CAP((htc->cap & BIT(15)), "L-SIG TXOP protection" ); |
526 | |
527 | p += scnprintf(buf: p, size: bufsz + buf - p, fmt: "ampdu factor/density: %d/%d\n" , |
528 | htc->ampdu_factor, htc->ampdu_density); |
529 | p += scnprintf(buf: p, size: bufsz + buf - p, fmt: "MCS mask:" ); |
530 | |
531 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) |
532 | p += scnprintf(buf: p, size: bufsz + buf - p, fmt: " %.2x" , |
533 | htc->mcs.rx_mask[i]); |
534 | p += scnprintf(buf: p, size: bufsz + buf - p, fmt: "\n" ); |
535 | |
536 | /* If not set this is meaningless */ |
537 | if (le16_to_cpu(htc->mcs.rx_highest)) { |
538 | p += scnprintf(buf: p, size: bufsz + buf - p, |
539 | fmt: "MCS rx highest: %d Mbps\n" , |
540 | le16_to_cpu(htc->mcs.rx_highest)); |
541 | } |
542 | |
543 | p += scnprintf(buf: p, size: bufsz + buf - p, fmt: "MCS tx params: %x\n" , |
544 | htc->mcs.tx_params); |
545 | } |
546 | |
547 | ret = simple_read_from_buffer(to: userbuf, count, ppos, from: buf, available: p - buf); |
548 | kfree(objp: buf); |
549 | return ret; |
550 | } |
551 | LINK_STA_OPS(ht_capa); |
552 | |
553 | static ssize_t link_sta_vht_capa_read(struct file *file, char __user *userbuf, |
554 | size_t count, loff_t *ppos) |
555 | { |
556 | char *buf, *p; |
557 | struct link_sta_info *link_sta = file->private_data; |
558 | struct ieee80211_sta_vht_cap *vhtc = &link_sta->pub->vht_cap; |
559 | ssize_t ret; |
560 | ssize_t bufsz = 512; |
561 | |
562 | buf = kzalloc(size: bufsz, GFP_KERNEL); |
563 | if (!buf) |
564 | return -ENOMEM; |
565 | p = buf; |
566 | |
567 | p += scnprintf(buf: p, size: bufsz + buf - p, fmt: "VHT %ssupported\n" , |
568 | vhtc->vht_supported ? "" : "not " ); |
569 | if (vhtc->vht_supported) { |
570 | p += scnprintf(buf: p, size: bufsz + buf - p, fmt: "cap: %#.8x\n" , |
571 | vhtc->cap); |
572 | #define PFLAG(a, b) \ |
573 | do { \ |
574 | if (vhtc->cap & IEEE80211_VHT_CAP_ ## a) \ |
575 | p += scnprintf(p, bufsz + buf - p, \ |
576 | "\t\t%s\n", b); \ |
577 | } while (0) |
578 | |
579 | switch (vhtc->cap & 0x3) { |
580 | case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895: |
581 | p += scnprintf(buf: p, size: bufsz + buf - p, |
582 | fmt: "\t\tMAX-MPDU-3895\n" ); |
583 | break; |
584 | case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991: |
585 | p += scnprintf(buf: p, size: bufsz + buf - p, |
586 | fmt: "\t\tMAX-MPDU-7991\n" ); |
587 | break; |
588 | case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454: |
589 | p += scnprintf(buf: p, size: bufsz + buf - p, |
590 | fmt: "\t\tMAX-MPDU-11454\n" ); |
591 | break; |
592 | default: |
593 | p += scnprintf(buf: p, size: bufsz + buf - p, |
594 | fmt: "\t\tMAX-MPDU-UNKNOWN\n" ); |
595 | } |
596 | switch (vhtc->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK) { |
597 | case 0: |
598 | p += scnprintf(buf: p, size: bufsz + buf - p, |
599 | fmt: "\t\t80Mhz\n" ); |
600 | break; |
601 | case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ: |
602 | p += scnprintf(buf: p, size: bufsz + buf - p, |
603 | fmt: "\t\t160Mhz\n" ); |
604 | break; |
605 | case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ: |
606 | p += scnprintf(buf: p, size: bufsz + buf - p, |
607 | fmt: "\t\t80+80Mhz\n" ); |
608 | break; |
609 | default: |
610 | p += scnprintf(buf: p, size: bufsz + buf - p, |
611 | fmt: "\t\tUNKNOWN-MHZ: 0x%x\n" , |
612 | (vhtc->cap >> 2) & 0x3); |
613 | } |
614 | PFLAG(RXLDPC, "RXLDPC" ); |
615 | PFLAG(SHORT_GI_80, "SHORT-GI-80" ); |
616 | PFLAG(SHORT_GI_160, "SHORT-GI-160" ); |
617 | PFLAG(TXSTBC, "TXSTBC" ); |
618 | p += scnprintf(buf: p, size: bufsz + buf - p, |
619 | fmt: "\t\tRXSTBC_%d\n" , (vhtc->cap >> 8) & 0x7); |
620 | PFLAG(SU_BEAMFORMER_CAPABLE, "SU-BEAMFORMER-CAPABLE" ); |
621 | PFLAG(SU_BEAMFORMEE_CAPABLE, "SU-BEAMFORMEE-CAPABLE" ); |
622 | p += scnprintf(buf: p, size: bufsz + buf - p, |
623 | fmt: "\t\tBEAMFORMEE-STS: 0x%x\n" , |
624 | (vhtc->cap & IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK) >> |
625 | IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT); |
626 | p += scnprintf(buf: p, size: bufsz + buf - p, |
627 | fmt: "\t\tSOUNDING-DIMENSIONS: 0x%x\n" , |
628 | (vhtc->cap & IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK) |
629 | >> IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT); |
630 | PFLAG(MU_BEAMFORMER_CAPABLE, "MU-BEAMFORMER-CAPABLE" ); |
631 | PFLAG(MU_BEAMFORMEE_CAPABLE, "MU-BEAMFORMEE-CAPABLE" ); |
632 | PFLAG(VHT_TXOP_PS, "TXOP-PS" ); |
633 | PFLAG(HTC_VHT, "HTC-VHT" ); |
634 | p += scnprintf(buf: p, size: bufsz + buf - p, |
635 | fmt: "\t\tMPDU-LENGTH-EXPONENT: 0x%x\n" , |
636 | (vhtc->cap & IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK) >> |
637 | IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT); |
638 | PFLAG(VHT_LINK_ADAPTATION_VHT_UNSOL_MFB, |
639 | "LINK-ADAPTATION-VHT-UNSOL-MFB" ); |
640 | p += scnprintf(buf: p, size: bufsz + buf - p, |
641 | fmt: "\t\tLINK-ADAPTATION-VHT-MRQ-MFB: 0x%x\n" , |
642 | (vhtc->cap & IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB) >> 26); |
643 | PFLAG(RX_ANTENNA_PATTERN, "RX-ANTENNA-PATTERN" ); |
644 | PFLAG(TX_ANTENNA_PATTERN, "TX-ANTENNA-PATTERN" ); |
645 | |
646 | p += scnprintf(buf: p, size: bufsz + buf - p, fmt: "RX MCS: %.4x\n" , |
647 | le16_to_cpu(vhtc->vht_mcs.rx_mcs_map)); |
648 | if (vhtc->vht_mcs.rx_highest) |
649 | p += scnprintf(buf: p, size: bufsz + buf - p, |
650 | fmt: "MCS RX highest: %d Mbps\n" , |
651 | le16_to_cpu(vhtc->vht_mcs.rx_highest)); |
652 | p += scnprintf(buf: p, size: bufsz + buf - p, fmt: "TX MCS: %.4x\n" , |
653 | le16_to_cpu(vhtc->vht_mcs.tx_mcs_map)); |
654 | if (vhtc->vht_mcs.tx_highest) |
655 | p += scnprintf(buf: p, size: bufsz + buf - p, |
656 | fmt: "MCS TX highest: %d Mbps\n" , |
657 | le16_to_cpu(vhtc->vht_mcs.tx_highest)); |
658 | #undef PFLAG |
659 | } |
660 | |
661 | ret = simple_read_from_buffer(to: userbuf, count, ppos, from: buf, available: p - buf); |
662 | kfree(objp: buf); |
663 | return ret; |
664 | } |
665 | LINK_STA_OPS(vht_capa); |
666 | |
667 | static ssize_t link_sta_he_capa_read(struct file *file, char __user *userbuf, |
668 | size_t count, loff_t *ppos) |
669 | { |
670 | char *buf, *p; |
671 | size_t buf_sz = PAGE_SIZE; |
672 | struct link_sta_info *link_sta = file->private_data; |
673 | struct ieee80211_sta_he_cap *hec = &link_sta->pub->he_cap; |
674 | struct ieee80211_he_mcs_nss_supp *nss = &hec->he_mcs_nss_supp; |
675 | u8 ppe_size; |
676 | u8 *cap; |
677 | int i; |
678 | ssize_t ret; |
679 | |
680 | buf = kmalloc(size: buf_sz, GFP_KERNEL); |
681 | if (!buf) |
682 | return -ENOMEM; |
683 | p = buf; |
684 | |
685 | p += scnprintf(buf: p, size: buf_sz + buf - p, fmt: "HE %ssupported\n" , |
686 | hec->has_he ? "" : "not " ); |
687 | if (!hec->has_he) |
688 | goto out; |
689 | |
690 | cap = hec->he_cap_elem.mac_cap_info; |
691 | p += scnprintf(buf: p, size: buf_sz + buf - p, |
692 | fmt: "MAC-CAP: %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x\n" , |
693 | cap[0], cap[1], cap[2], cap[3], cap[4], cap[5]); |
694 | |
695 | #define PRINT(fmt, ...) \ |
696 | p += scnprintf(p, buf_sz + buf - p, "\t\t" fmt "\n", \ |
697 | ##__VA_ARGS__) |
698 | |
699 | #define PFLAG(t, n, a, b) \ |
700 | do { \ |
701 | if (cap[n] & IEEE80211_HE_##t##_CAP##n##_##a) \ |
702 | PRINT("%s", b); \ |
703 | } while (0) |
704 | |
705 | #define PFLAG_RANGE(t, i, n, s, m, off, fmt) \ |
706 | do { \ |
707 | u8 msk = IEEE80211_HE_##t##_CAP##i##_##n##_MASK; \ |
708 | u8 idx = ((cap[i] & msk) >> (ffs(msk) - 1)) + off; \ |
709 | PRINT(fmt, (s << idx) + (m * idx)); \ |
710 | } while (0) |
711 | |
712 | #define PFLAG_RANGE_DEFAULT(t, i, n, s, m, off, fmt, a, b) \ |
713 | do { \ |
714 | if (cap[i] == IEEE80211_HE_##t ##_CAP##i##_##n##_##a) { \ |
715 | PRINT("%s", b); \ |
716 | break; \ |
717 | } \ |
718 | PFLAG_RANGE(t, i, n, s, m, off, fmt); \ |
719 | } while (0) |
720 | |
721 | PFLAG(MAC, 0, HTC_HE, "HTC-HE" ); |
722 | PFLAG(MAC, 0, TWT_REQ, "TWT-REQ" ); |
723 | PFLAG(MAC, 0, TWT_RES, "TWT-RES" ); |
724 | PFLAG_RANGE_DEFAULT(MAC, 0, DYNAMIC_FRAG, 0, 1, 0, |
725 | "DYNAMIC-FRAG-LEVEL-%d" , NOT_SUPP, "NOT-SUPP" ); |
726 | PFLAG_RANGE_DEFAULT(MAC, 0, MAX_NUM_FRAG_MSDU, 1, 0, 0, |
727 | "MAX-NUM-FRAG-MSDU-%d" , UNLIMITED, "UNLIMITED" ); |
728 | |
729 | PFLAG_RANGE_DEFAULT(MAC, 1, MIN_FRAG_SIZE, 128, 0, -1, |
730 | "MIN-FRAG-SIZE-%d" , UNLIMITED, "UNLIMITED" ); |
731 | PFLAG_RANGE_DEFAULT(MAC, 1, TF_MAC_PAD_DUR, 0, 8, 0, |
732 | "TF-MAC-PAD-DUR-%dUS" , MASK, "UNKNOWN" ); |
733 | PFLAG_RANGE(MAC, 1, MULTI_TID_AGG_RX_QOS, 0, 1, 1, |
734 | "MULTI-TID-AGG-RX-QOS-%d" ); |
735 | |
736 | if (cap[0] & IEEE80211_HE_MAC_CAP0_HTC_HE) { |
737 | switch (((cap[2] << 1) | (cap[1] >> 7)) & 0x3) { |
738 | case 0: |
739 | PRINT("LINK-ADAPTATION-NO-FEEDBACK" ); |
740 | break; |
741 | case 1: |
742 | PRINT("LINK-ADAPTATION-RESERVED" ); |
743 | break; |
744 | case 2: |
745 | PRINT("LINK-ADAPTATION-UNSOLICITED-FEEDBACK" ); |
746 | break; |
747 | case 3: |
748 | PRINT("LINK-ADAPTATION-BOTH" ); |
749 | break; |
750 | } |
751 | } |
752 | |
753 | PFLAG(MAC, 2, ALL_ACK, "ALL-ACK" ); |
754 | PFLAG(MAC, 2, TRS, "TRS" ); |
755 | PFLAG(MAC, 2, BSR, "BSR" ); |
756 | PFLAG(MAC, 2, BCAST_TWT, "BCAST-TWT" ); |
757 | PFLAG(MAC, 2, 32BIT_BA_BITMAP, "32BIT-BA-BITMAP" ); |
758 | PFLAG(MAC, 2, MU_CASCADING, "MU-CASCADING" ); |
759 | PFLAG(MAC, 2, ACK_EN, "ACK-EN" ); |
760 | |
761 | PFLAG(MAC, 3, OMI_CONTROL, "OMI-CONTROL" ); |
762 | PFLAG(MAC, 3, OFDMA_RA, "OFDMA-RA" ); |
763 | |
764 | switch (cap[3] & IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK) { |
765 | case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_0: |
766 | PRINT("MAX-AMPDU-LEN-EXP-USE-EXT-0" ); |
767 | break; |
768 | case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_1: |
769 | PRINT("MAX-AMPDU-LEN-EXP-VHT-EXT-1" ); |
770 | break; |
771 | case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_2: |
772 | PRINT("MAX-AMPDU-LEN-EXP-VHT-EXT-2" ); |
773 | break; |
774 | case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3: |
775 | PRINT("MAX-AMPDU-LEN-EXP-VHT-EXT-3" ); |
776 | break; |
777 | } |
778 | |
779 | PFLAG(MAC, 3, AMSDU_FRAG, "AMSDU-FRAG" ); |
780 | PFLAG(MAC, 3, FLEX_TWT_SCHED, "FLEX-TWT-SCHED" ); |
781 | PFLAG(MAC, 3, RX_CTRL_FRAME_TO_MULTIBSS, "RX-CTRL-FRAME-TO-MULTIBSS" ); |
782 | |
783 | PFLAG(MAC, 4, BSRP_BQRP_A_MPDU_AGG, "BSRP-BQRP-A-MPDU-AGG" ); |
784 | PFLAG(MAC, 4, QTP, "QTP" ); |
785 | PFLAG(MAC, 4, BQR, "BQR" ); |
786 | PFLAG(MAC, 4, PSR_RESP, "PSR-RESP" ); |
787 | PFLAG(MAC, 4, NDP_FB_REP, "NDP-FB-REP" ); |
788 | PFLAG(MAC, 4, OPS, "OPS" ); |
789 | PFLAG(MAC, 4, AMSDU_IN_AMPDU, "AMSDU-IN-AMPDU" ); |
790 | |
791 | PRINT("MULTI-TID-AGG-TX-QOS-%d" , ((cap[5] << 1) | (cap[4] >> 7)) & 0x7); |
792 | |
793 | PFLAG(MAC, 5, SUBCHAN_SELECTIVE_TRANSMISSION, |
794 | "SUBCHAN-SELECTIVE-TRANSMISSION" ); |
795 | PFLAG(MAC, 5, UL_2x996_TONE_RU, "UL-2x996-TONE-RU" ); |
796 | PFLAG(MAC, 5, OM_CTRL_UL_MU_DATA_DIS_RX, "OM-CTRL-UL-MU-DATA-DIS-RX" ); |
797 | PFLAG(MAC, 5, HE_DYNAMIC_SM_PS, "HE-DYNAMIC-SM-PS" ); |
798 | PFLAG(MAC, 5, PUNCTURED_SOUNDING, "PUNCTURED-SOUNDING" ); |
799 | PFLAG(MAC, 5, HT_VHT_TRIG_FRAME_RX, "HT-VHT-TRIG-FRAME-RX" ); |
800 | |
801 | cap = hec->he_cap_elem.phy_cap_info; |
802 | p += scnprintf(buf: p, size: buf_sz + buf - p, |
803 | fmt: "PHY CAP: %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x\n" , |
804 | cap[0], cap[1], cap[2], cap[3], cap[4], cap[5], cap[6], |
805 | cap[7], cap[8], cap[9], cap[10]); |
806 | |
807 | PFLAG(PHY, 0, CHANNEL_WIDTH_SET_40MHZ_IN_2G, |
808 | "CHANNEL-WIDTH-SET-40MHZ-IN-2G" ); |
809 | PFLAG(PHY, 0, CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G, |
810 | "CHANNEL-WIDTH-SET-40MHZ-80MHZ-IN-5G" ); |
811 | PFLAG(PHY, 0, CHANNEL_WIDTH_SET_160MHZ_IN_5G, |
812 | "CHANNEL-WIDTH-SET-160MHZ-IN-5G" ); |
813 | PFLAG(PHY, 0, CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G, |
814 | "CHANNEL-WIDTH-SET-80PLUS80-MHZ-IN-5G" ); |
815 | PFLAG(PHY, 0, CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G, |
816 | "CHANNEL-WIDTH-SET-RU-MAPPING-IN-2G" ); |
817 | PFLAG(PHY, 0, CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G, |
818 | "CHANNEL-WIDTH-SET-RU-MAPPING-IN-5G" ); |
819 | |
820 | switch (cap[1] & IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK) { |
821 | case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ: |
822 | PRINT("PREAMBLE-PUNC-RX-80MHZ-ONLY-SECOND-20MHZ" ); |
823 | break; |
824 | case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ: |
825 | PRINT("PREAMBLE-PUNC-RX-80MHZ-ONLY-SECOND-40MHZ" ); |
826 | break; |
827 | case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ: |
828 | PRINT("PREAMBLE-PUNC-RX-160MHZ-ONLY-SECOND-20MHZ" ); |
829 | break; |
830 | case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ: |
831 | PRINT("PREAMBLE-PUNC-RX-160MHZ-ONLY-SECOND-40MHZ" ); |
832 | break; |
833 | } |
834 | |
835 | PFLAG(PHY, 1, DEVICE_CLASS_A, |
836 | "IEEE80211-HE-PHY-CAP1-DEVICE-CLASS-A" ); |
837 | PFLAG(PHY, 1, LDPC_CODING_IN_PAYLOAD, |
838 | "LDPC-CODING-IN-PAYLOAD" ); |
839 | PFLAG(PHY, 1, HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US, |
840 | "HY-CAP1-HE-LTF-AND-GI-FOR-HE-PPDUS-0-8US" ); |
841 | PRINT("MIDAMBLE-RX-MAX-NSTS-%d" , ((cap[2] << 1) | (cap[1] >> 7)) & 0x3); |
842 | |
843 | PFLAG(PHY, 2, NDP_4x_LTF_AND_3_2US, "NDP-4X-LTF-AND-3-2US" ); |
844 | PFLAG(PHY, 2, STBC_TX_UNDER_80MHZ, "STBC-TX-UNDER-80MHZ" ); |
845 | PFLAG(PHY, 2, STBC_RX_UNDER_80MHZ, "STBC-RX-UNDER-80MHZ" ); |
846 | PFLAG(PHY, 2, DOPPLER_TX, "DOPPLER-TX" ); |
847 | PFLAG(PHY, 2, DOPPLER_RX, "DOPPLER-RX" ); |
848 | PFLAG(PHY, 2, UL_MU_FULL_MU_MIMO, "UL-MU-FULL-MU-MIMO" ); |
849 | PFLAG(PHY, 2, UL_MU_PARTIAL_MU_MIMO, "UL-MU-PARTIAL-MU-MIMO" ); |
850 | |
851 | switch (cap[3] & IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK) { |
852 | case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM: |
853 | PRINT("DCM-MAX-CONST-TX-NO-DCM" ); |
854 | break; |
855 | case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK: |
856 | PRINT("DCM-MAX-CONST-TX-BPSK" ); |
857 | break; |
858 | case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK: |
859 | PRINT("DCM-MAX-CONST-TX-QPSK" ); |
860 | break; |
861 | case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM: |
862 | PRINT("DCM-MAX-CONST-TX-16-QAM" ); |
863 | break; |
864 | } |
865 | |
866 | PFLAG(PHY, 3, DCM_MAX_TX_NSS_1, "DCM-MAX-TX-NSS-1" ); |
867 | PFLAG(PHY, 3, DCM_MAX_TX_NSS_2, "DCM-MAX-TX-NSS-2" ); |
868 | |
869 | switch (cap[3] & IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK) { |
870 | case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM: |
871 | PRINT("DCM-MAX-CONST-RX-NO-DCM" ); |
872 | break; |
873 | case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK: |
874 | PRINT("DCM-MAX-CONST-RX-BPSK" ); |
875 | break; |
876 | case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK: |
877 | PRINT("DCM-MAX-CONST-RX-QPSK" ); |
878 | break; |
879 | case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM: |
880 | PRINT("DCM-MAX-CONST-RX-16-QAM" ); |
881 | break; |
882 | } |
883 | |
884 | PFLAG(PHY, 3, DCM_MAX_RX_NSS_1, "DCM-MAX-RX-NSS-1" ); |
885 | PFLAG(PHY, 3, DCM_MAX_RX_NSS_2, "DCM-MAX-RX-NSS-2" ); |
886 | PFLAG(PHY, 3, RX_PARTIAL_BW_SU_IN_20MHZ_MU, |
887 | "RX-PARTIAL-BW-SU-IN-20MHZ-MU" ); |
888 | PFLAG(PHY, 3, SU_BEAMFORMER, "SU-BEAMFORMER" ); |
889 | |
890 | PFLAG(PHY, 4, SU_BEAMFORMEE, "SU-BEAMFORMEE" ); |
891 | PFLAG(PHY, 4, MU_BEAMFORMER, "MU-BEAMFORMER" ); |
892 | |
893 | PFLAG_RANGE(PHY, 4, BEAMFORMEE_MAX_STS_UNDER_80MHZ, 0, 1, 4, |
894 | "BEAMFORMEE-MAX-STS-UNDER-%d" ); |
895 | PFLAG_RANGE(PHY, 4, BEAMFORMEE_MAX_STS_ABOVE_80MHZ, 0, 1, 4, |
896 | "BEAMFORMEE-MAX-STS-ABOVE-%d" ); |
897 | |
898 | PFLAG_RANGE(PHY, 5, BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ, 0, 1, 1, |
899 | "NUM-SND-DIM-UNDER-80MHZ-%d" ); |
900 | PFLAG_RANGE(PHY, 5, BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ, 0, 1, 1, |
901 | "NUM-SND-DIM-ABOVE-80MHZ-%d" ); |
902 | PFLAG(PHY, 5, NG16_SU_FEEDBACK, "NG16-SU-FEEDBACK" ); |
903 | PFLAG(PHY, 5, NG16_MU_FEEDBACK, "NG16-MU-FEEDBACK" ); |
904 | |
905 | PFLAG(PHY, 6, CODEBOOK_SIZE_42_SU, "CODEBOOK-SIZE-42-SU" ); |
906 | PFLAG(PHY, 6, CODEBOOK_SIZE_75_MU, "CODEBOOK-SIZE-75-MU" ); |
907 | PFLAG(PHY, 6, TRIG_SU_BEAMFORMING_FB, "TRIG-SU-BEAMFORMING-FB" ); |
908 | PFLAG(PHY, 6, TRIG_MU_BEAMFORMING_PARTIAL_BW_FB, |
909 | "MU-BEAMFORMING-PARTIAL-BW-FB" ); |
910 | PFLAG(PHY, 6, TRIG_CQI_FB, "TRIG-CQI-FB" ); |
911 | PFLAG(PHY, 6, PARTIAL_BW_EXT_RANGE, "PARTIAL-BW-EXT-RANGE" ); |
912 | PFLAG(PHY, 6, PARTIAL_BANDWIDTH_DL_MUMIMO, |
913 | "PARTIAL-BANDWIDTH-DL-MUMIMO" ); |
914 | PFLAG(PHY, 6, PPE_THRESHOLD_PRESENT, "PPE-THRESHOLD-PRESENT" ); |
915 | |
916 | PFLAG(PHY, 7, PSR_BASED_SR, "PSR-BASED-SR" ); |
917 | PFLAG(PHY, 7, POWER_BOOST_FACTOR_SUPP, "POWER-BOOST-FACTOR-SUPP" ); |
918 | PFLAG(PHY, 7, HE_SU_MU_PPDU_4XLTF_AND_08_US_GI, |
919 | "HE-SU-MU-PPDU-4XLTF-AND-08-US-GI" ); |
920 | PFLAG_RANGE(PHY, 7, MAX_NC, 0, 1, 1, "MAX-NC-%d" ); |
921 | PFLAG(PHY, 7, STBC_TX_ABOVE_80MHZ, "STBC-TX-ABOVE-80MHZ" ); |
922 | PFLAG(PHY, 7, STBC_RX_ABOVE_80MHZ, "STBC-RX-ABOVE-80MHZ" ); |
923 | |
924 | PFLAG(PHY, 8, HE_ER_SU_PPDU_4XLTF_AND_08_US_GI, |
925 | "HE-ER-SU-PPDU-4XLTF-AND-08-US-GI" ); |
926 | PFLAG(PHY, 8, 20MHZ_IN_40MHZ_HE_PPDU_IN_2G, |
927 | "20MHZ-IN-40MHZ-HE-PPDU-IN-2G" ); |
928 | PFLAG(PHY, 8, 20MHZ_IN_160MHZ_HE_PPDU, "20MHZ-IN-160MHZ-HE-PPDU" ); |
929 | PFLAG(PHY, 8, 80MHZ_IN_160MHZ_HE_PPDU, "80MHZ-IN-160MHZ-HE-PPDU" ); |
930 | PFLAG(PHY, 8, HE_ER_SU_1XLTF_AND_08_US_GI, |
931 | "HE-ER-SU-1XLTF-AND-08-US-GI" ); |
932 | PFLAG(PHY, 8, MIDAMBLE_RX_TX_2X_AND_1XLTF, |
933 | "MIDAMBLE-RX-TX-2X-AND-1XLTF" ); |
934 | |
935 | switch (cap[8] & IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK) { |
936 | case IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242: |
937 | PRINT("DCM-MAX-RU-242" ); |
938 | break; |
939 | case IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484: |
940 | PRINT("DCM-MAX-RU-484" ); |
941 | break; |
942 | case IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996: |
943 | PRINT("DCM-MAX-RU-996" ); |
944 | break; |
945 | case IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996: |
946 | PRINT("DCM-MAX-RU-2x996" ); |
947 | break; |
948 | } |
949 | |
950 | PFLAG(PHY, 9, LONGER_THAN_16_SIGB_OFDM_SYM, |
951 | "LONGER-THAN-16-SIGB-OFDM-SYM" ); |
952 | PFLAG(PHY, 9, NON_TRIGGERED_CQI_FEEDBACK, |
953 | "NON-TRIGGERED-CQI-FEEDBACK" ); |
954 | PFLAG(PHY, 9, TX_1024_QAM_LESS_THAN_242_TONE_RU, |
955 | "TX-1024-QAM-LESS-THAN-242-TONE-RU" ); |
956 | PFLAG(PHY, 9, RX_1024_QAM_LESS_THAN_242_TONE_RU, |
957 | "RX-1024-QAM-LESS-THAN-242-TONE-RU" ); |
958 | PFLAG(PHY, 9, RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB, |
959 | "RX-FULL-BW-SU-USING-MU-WITH-COMP-SIGB" ); |
960 | PFLAG(PHY, 9, RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB, |
961 | "RX-FULL-BW-SU-USING-MU-WITH-NON-COMP-SIGB" ); |
962 | |
963 | switch (u8_get_bits(v: cap[9], |
964 | IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK)) { |
965 | case IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_0US: |
966 | PRINT("NOMINAL-PACKET-PADDING-0US" ); |
967 | break; |
968 | case IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_8US: |
969 | PRINT("NOMINAL-PACKET-PADDING-8US" ); |
970 | break; |
971 | case IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US: |
972 | PRINT("NOMINAL-PACKET-PADDING-16US" ); |
973 | break; |
974 | } |
975 | |
976 | #undef PFLAG_RANGE_DEFAULT |
977 | #undef PFLAG_RANGE |
978 | #undef PFLAG |
979 | |
980 | #define PRINT_NSS_SUPP(f, n) \ |
981 | do { \ |
982 | int _i; \ |
983 | u16 v = le16_to_cpu(nss->f); \ |
984 | p += scnprintf(p, buf_sz + buf - p, n ": %#.4x\n", v); \ |
985 | for (_i = 0; _i < 8; _i += 2) { \ |
986 | switch ((v >> _i) & 0x3) { \ |
987 | case 0: \ |
988 | PRINT(n "-%d-SUPPORT-0-7", _i / 2); \ |
989 | break; \ |
990 | case 1: \ |
991 | PRINT(n "-%d-SUPPORT-0-9", _i / 2); \ |
992 | break; \ |
993 | case 2: \ |
994 | PRINT(n "-%d-SUPPORT-0-11", _i / 2); \ |
995 | break; \ |
996 | case 3: \ |
997 | PRINT(n "-%d-NOT-SUPPORTED", _i / 2); \ |
998 | break; \ |
999 | } \ |
1000 | } \ |
1001 | } while (0) |
1002 | |
1003 | PRINT_NSS_SUPP(rx_mcs_80, "RX-MCS-80" ); |
1004 | PRINT_NSS_SUPP(tx_mcs_80, "TX-MCS-80" ); |
1005 | |
1006 | if (cap[0] & IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G) { |
1007 | PRINT_NSS_SUPP(rx_mcs_160, "RX-MCS-160" ); |
1008 | PRINT_NSS_SUPP(tx_mcs_160, "TX-MCS-160" ); |
1009 | } |
1010 | |
1011 | if (cap[0] & |
1012 | IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G) { |
1013 | PRINT_NSS_SUPP(rx_mcs_80p80, "RX-MCS-80P80" ); |
1014 | PRINT_NSS_SUPP(tx_mcs_80p80, "TX-MCS-80P80" ); |
1015 | } |
1016 | |
1017 | #undef PRINT_NSS_SUPP |
1018 | #undef PRINT |
1019 | |
1020 | if (!(cap[6] & IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT)) |
1021 | goto out; |
1022 | |
1023 | p += scnprintf(buf: p, size: buf_sz + buf - p, fmt: "PPE-THRESHOLDS: %#.2x" , |
1024 | hec->ppe_thres[0]); |
1025 | |
1026 | ppe_size = ieee80211_he_ppe_size(ppe_thres_hdr: hec->ppe_thres[0], phy_cap_info: cap); |
1027 | for (i = 1; i < ppe_size; i++) { |
1028 | p += scnprintf(buf: p, size: buf_sz + buf - p, fmt: " %#.2x" , |
1029 | hec->ppe_thres[i]); |
1030 | } |
1031 | p += scnprintf(buf: p, size: buf_sz + buf - p, fmt: "\n" ); |
1032 | |
1033 | out: |
1034 | ret = simple_read_from_buffer(to: userbuf, count, ppos, from: buf, available: p - buf); |
1035 | kfree(objp: buf); |
1036 | return ret; |
1037 | } |
1038 | LINK_STA_OPS(he_capa); |
1039 | |
1040 | static ssize_t link_sta_eht_capa_read(struct file *file, char __user *userbuf, |
1041 | size_t count, loff_t *ppos) |
1042 | { |
1043 | char *buf, *p; |
1044 | size_t buf_sz = PAGE_SIZE; |
1045 | struct link_sta_info *link_sta = file->private_data; |
1046 | struct ieee80211_sta_eht_cap *bec = &link_sta->pub->eht_cap; |
1047 | struct ieee80211_eht_cap_elem_fixed *fixed = &bec->eht_cap_elem; |
1048 | struct ieee80211_eht_mcs_nss_supp *nss = &bec->eht_mcs_nss_supp; |
1049 | u8 *cap; |
1050 | int i; |
1051 | ssize_t ret; |
1052 | static const char *mcs_desc[] = { "0-7" , "8-9" , "10-11" , "12-13" }; |
1053 | |
1054 | buf = kmalloc(size: buf_sz, GFP_KERNEL); |
1055 | if (!buf) |
1056 | return -ENOMEM; |
1057 | p = buf; |
1058 | |
1059 | p += scnprintf(buf: p, size: buf_sz + buf - p, fmt: "EHT %ssupported\n" , |
1060 | bec->has_eht ? "" : "not " ); |
1061 | if (!bec->has_eht) |
1062 | goto out; |
1063 | |
1064 | p += scnprintf(buf: p, size: buf_sz + buf - p, |
1065 | fmt: "MAC-CAP: %#.2x %#.2x\n" , |
1066 | fixed->mac_cap_info[0], fixed->mac_cap_info[1]); |
1067 | p += scnprintf(buf: p, size: buf_sz + buf - p, |
1068 | fmt: "PHY-CAP: %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x\n" , |
1069 | fixed->phy_cap_info[0], fixed->phy_cap_info[1], |
1070 | fixed->phy_cap_info[2], fixed->phy_cap_info[3], |
1071 | fixed->phy_cap_info[4], fixed->phy_cap_info[5], |
1072 | fixed->phy_cap_info[6], fixed->phy_cap_info[7], |
1073 | fixed->phy_cap_info[8]); |
1074 | |
1075 | #define PRINT(fmt, ...) \ |
1076 | p += scnprintf(p, buf_sz + buf - p, "\t\t" fmt "\n", \ |
1077 | ##__VA_ARGS__) |
1078 | |
1079 | #define PFLAG(t, n, a, b) \ |
1080 | do { \ |
1081 | if (cap[n] & IEEE80211_EHT_##t##_CAP##n##_##a) \ |
1082 | PRINT("%s", b); \ |
1083 | } while (0) |
1084 | |
1085 | cap = fixed->mac_cap_info; |
1086 | PFLAG(MAC, 0, EPCS_PRIO_ACCESS, "EPCS-PRIO-ACCESS" ); |
1087 | PFLAG(MAC, 0, OM_CONTROL, "OM-CONTROL" ); |
1088 | PFLAG(MAC, 0, TRIG_TXOP_SHARING_MODE1, "TRIG-TXOP-SHARING-MODE1" ); |
1089 | PFLAG(MAC, 0, TRIG_TXOP_SHARING_MODE2, "TRIG-TXOP-SHARING-MODE2" ); |
1090 | PFLAG(MAC, 0, RESTRICTED_TWT, "RESTRICTED-TWT" ); |
1091 | PFLAG(MAC, 0, SCS_TRAFFIC_DESC, "SCS-TRAFFIC-DESC" ); |
1092 | switch ((cap[0] & 0xc0) >> 6) { |
1093 | case IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_3895: |
1094 | PRINT("MAX-MPDU-LEN: 3985" ); |
1095 | break; |
1096 | case IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_7991: |
1097 | PRINT("MAX-MPDU-LEN: 7991" ); |
1098 | break; |
1099 | case IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_11454: |
1100 | PRINT("MAX-MPDU-LEN: 11454" ); |
1101 | break; |
1102 | } |
1103 | |
1104 | cap = fixed->phy_cap_info; |
1105 | PFLAG(PHY, 0, 320MHZ_IN_6GHZ, "320MHZ-IN-6GHZ" ); |
1106 | PFLAG(PHY, 0, 242_TONE_RU_GT20MHZ, "242-TONE-RU-GT20MHZ" ); |
1107 | PFLAG(PHY, 0, NDP_4_EHT_LFT_32_GI, "NDP-4-EHT-LFT-32-GI" ); |
1108 | PFLAG(PHY, 0, PARTIAL_BW_UL_MU_MIMO, "PARTIAL-BW-UL-MU-MIMO" ); |
1109 | PFLAG(PHY, 0, SU_BEAMFORMER, "SU-BEAMFORMER" ); |
1110 | PFLAG(PHY, 0, SU_BEAMFORMEE, "SU-BEAMFORMEE" ); |
1111 | i = cap[0] >> 7; |
1112 | i |= (cap[1] & 0x3) << 1; |
1113 | PRINT("BEAMFORMEE-80-NSS: %i" , i); |
1114 | PRINT("BEAMFORMEE-160-NSS: %i" , (cap[1] >> 2) & 0x7); |
1115 | PRINT("BEAMFORMEE-320-NSS: %i" , (cap[1] >> 5) & 0x7); |
1116 | PRINT("SOUNDING-DIM-80-NSS: %i" , (cap[2] & 0x7)); |
1117 | PRINT("SOUNDING-DIM-160-NSS: %i" , (cap[2] >> 3) & 0x7); |
1118 | i = cap[2] >> 6; |
1119 | i |= (cap[3] & 0x1) << 3; |
1120 | PRINT("SOUNDING-DIM-320-NSS: %i" , i); |
1121 | |
1122 | PFLAG(PHY, 3, NG_16_SU_FEEDBACK, "NG-16-SU-FEEDBACK" ); |
1123 | PFLAG(PHY, 3, NG_16_MU_FEEDBACK, "NG-16-MU-FEEDBACK" ); |
1124 | PFLAG(PHY, 3, CODEBOOK_4_2_SU_FDBK, "CODEBOOK-4-2-SU-FDBK" ); |
1125 | PFLAG(PHY, 3, CODEBOOK_7_5_MU_FDBK, "CODEBOOK-7-5-MU-FDBK" ); |
1126 | PFLAG(PHY, 3, TRIG_SU_BF_FDBK, "TRIG-SU-BF-FDBK" ); |
1127 | PFLAG(PHY, 3, TRIG_MU_BF_PART_BW_FDBK, "TRIG-MU-BF-PART-BW-FDBK" ); |
1128 | PFLAG(PHY, 3, TRIG_CQI_FDBK, "TRIG-CQI-FDBK" ); |
1129 | |
1130 | PFLAG(PHY, 4, PART_BW_DL_MU_MIMO, "PART-BW-DL-MU-MIMO" ); |
1131 | PFLAG(PHY, 4, PSR_SR_SUPP, "PSR-SR-SUPP" ); |
1132 | PFLAG(PHY, 4, POWER_BOOST_FACT_SUPP, "POWER-BOOST-FACT-SUPP" ); |
1133 | PFLAG(PHY, 4, EHT_MU_PPDU_4_EHT_LTF_08_GI, "EHT-MU-PPDU-4-EHT-LTF-08-GI" ); |
1134 | PRINT("MAX_NC: %i" , cap[4] >> 4); |
1135 | |
1136 | PFLAG(PHY, 5, NON_TRIG_CQI_FEEDBACK, "NON-TRIG-CQI-FEEDBACK" ); |
1137 | PFLAG(PHY, 5, TX_LESS_242_TONE_RU_SUPP, "TX-LESS-242-TONE-RU-SUPP" ); |
1138 | PFLAG(PHY, 5, RX_LESS_242_TONE_RU_SUPP, "RX-LESS-242-TONE-RU-SUPP" ); |
1139 | PFLAG(PHY, 5, PPE_THRESHOLD_PRESENT, "PPE_THRESHOLD_PRESENT" ); |
1140 | switch (cap[5] >> 4 & 0x3) { |
1141 | case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_0US: |
1142 | PRINT("NOMINAL_PKT_PAD: 0us" ); |
1143 | break; |
1144 | case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US: |
1145 | PRINT("NOMINAL_PKT_PAD: 8us" ); |
1146 | break; |
1147 | case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US: |
1148 | PRINT("NOMINAL_PKT_PAD: 16us" ); |
1149 | break; |
1150 | case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US: |
1151 | PRINT("NOMINAL_PKT_PAD: 20us" ); |
1152 | break; |
1153 | } |
1154 | i = cap[5] >> 6; |
1155 | i |= cap[6] & 0x7; |
1156 | PRINT("MAX-NUM-SUPP-EHT-LTF: %i" , i); |
1157 | PFLAG(PHY, 5, SUPP_EXTRA_EHT_LTF, "SUPP-EXTRA-EHT-LTF" ); |
1158 | |
1159 | i = (cap[6] >> 3) & 0xf; |
1160 | PRINT("MCS15-SUPP-MASK: %i" , i); |
1161 | PFLAG(PHY, 6, EHT_DUP_6GHZ_SUPP, "EHT-DUP-6GHZ-SUPP" ); |
1162 | |
1163 | PFLAG(PHY, 7, 20MHZ_STA_RX_NDP_WIDER_BW, "20MHZ-STA-RX-NDP-WIDER-BW" ); |
1164 | PFLAG(PHY, 7, NON_OFDMA_UL_MU_MIMO_80MHZ, "NON-OFDMA-UL-MU-MIMO-80MHZ" ); |
1165 | PFLAG(PHY, 7, NON_OFDMA_UL_MU_MIMO_160MHZ, "NON-OFDMA-UL-MU-MIMO-160MHZ" ); |
1166 | PFLAG(PHY, 7, NON_OFDMA_UL_MU_MIMO_320MHZ, "NON-OFDMA-UL-MU-MIMO-320MHZ" ); |
1167 | PFLAG(PHY, 7, MU_BEAMFORMER_80MHZ, "MU-BEAMFORMER-80MHZ" ); |
1168 | PFLAG(PHY, 7, MU_BEAMFORMER_160MHZ, "MU-BEAMFORMER-160MHZ" ); |
1169 | PFLAG(PHY, 7, MU_BEAMFORMER_320MHZ, "MU-BEAMFORMER-320MHZ" ); |
1170 | PFLAG(PHY, 7, TB_SOUNDING_FDBK_RATE_LIMIT, "TB-SOUNDING-FDBK-RATE-LIMIT" ); |
1171 | |
1172 | PFLAG(PHY, 8, RX_1024QAM_WIDER_BW_DL_OFDMA, "RX-1024QAM-WIDER-BW-DL-OFDMA" ); |
1173 | PFLAG(PHY, 8, RX_4096QAM_WIDER_BW_DL_OFDMA, "RX-4096QAM-WIDER-BW-DL-OFDMA" ); |
1174 | |
1175 | #undef PFLAG |
1176 | |
1177 | PRINT("" ); /* newline */ |
1178 | if (!(link_sta->pub->he_cap.he_cap_elem.phy_cap_info[0] & |
1179 | IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK_ALL)) { |
1180 | u8 *mcs_vals = (u8 *)(&nss->only_20mhz); |
1181 | |
1182 | for (i = 0; i < 4; i++) |
1183 | PRINT("EHT bw=20 MHz, max NSS for MCS %s: Rx=%u, Tx=%u" , |
1184 | mcs_desc[i], |
1185 | mcs_vals[i] & 0xf, mcs_vals[i] >> 4); |
1186 | } else { |
1187 | u8 *mcs_vals = (u8 *)(&nss->bw._80); |
1188 | |
1189 | for (i = 0; i < 3; i++) |
1190 | PRINT("EHT bw <= 80 MHz, max NSS for MCS %s: Rx=%u, Tx=%u" , |
1191 | mcs_desc[i + 1], |
1192 | mcs_vals[i] & 0xf, mcs_vals[i] >> 4); |
1193 | |
1194 | mcs_vals = (u8 *)(&nss->bw._160); |
1195 | for (i = 0; i < 3; i++) |
1196 | PRINT("EHT bw <= 160 MHz, max NSS for MCS %s: Rx=%u, Tx=%u" , |
1197 | mcs_desc[i + 1], |
1198 | mcs_vals[i] & 0xf, mcs_vals[i] >> 4); |
1199 | |
1200 | mcs_vals = (u8 *)(&nss->bw._320); |
1201 | for (i = 0; i < 3; i++) |
1202 | PRINT("EHT bw <= 320 MHz, max NSS for MCS %s: Rx=%u, Tx=%u" , |
1203 | mcs_desc[i + 1], |
1204 | mcs_vals[i] & 0xf, mcs_vals[i] >> 4); |
1205 | } |
1206 | |
1207 | if (cap[5] & IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) { |
1208 | u8 ppe_size = ieee80211_eht_ppe_size(ppe_thres_hdr: bec->eht_ppe_thres[0], phy_cap_info: cap); |
1209 | |
1210 | p += scnprintf(buf: p, size: buf_sz + buf - p, fmt: "EHT PPE Thresholds: " ); |
1211 | for (i = 0; i < ppe_size; i++) |
1212 | p += scnprintf(buf: p, size: buf_sz + buf - p, fmt: "0x%02x " , |
1213 | bec->eht_ppe_thres[i]); |
1214 | PRINT("" ); /* newline */ |
1215 | } |
1216 | |
1217 | out: |
1218 | ret = simple_read_from_buffer(to: userbuf, count, ppos, from: buf, available: p - buf); |
1219 | kfree(objp: buf); |
1220 | return ret; |
1221 | } |
1222 | LINK_STA_OPS(eht_capa); |
1223 | |
1224 | #define DEBUGFS_ADD(name) \ |
1225 | debugfs_create_file(#name, 0400, \ |
1226 | sta->debugfs_dir, sta, &sta_ ##name## _ops) |
1227 | |
1228 | #define DEBUGFS_ADD_COUNTER(name, field) \ |
1229 | debugfs_create_ulong(#name, 0400, sta->debugfs_dir, &sta->field); |
1230 | |
1231 | void ieee80211_sta_debugfs_add(struct sta_info *sta) |
1232 | { |
1233 | struct ieee80211_local *local = sta->local; |
1234 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
1235 | struct dentry *stations_dir = sta->sdata->debugfs.subdir_stations; |
1236 | u8 mac[3*ETH_ALEN]; |
1237 | |
1238 | if (!stations_dir) |
1239 | return; |
1240 | |
1241 | snprintf(buf: mac, size: sizeof(mac), fmt: "%pM" , sta->sta.addr); |
1242 | |
1243 | /* |
1244 | * This might fail due to a race condition: |
1245 | * When mac80211 unlinks a station, the debugfs entries |
1246 | * remain, but it is already possible to link a new |
1247 | * station with the same address which triggers adding |
1248 | * it to debugfs; therefore, if the old station isn't |
1249 | * destroyed quickly enough the old station's debugfs |
1250 | * dir might still be around. |
1251 | */ |
1252 | sta->debugfs_dir = debugfs_create_dir(name: mac, parent: stations_dir); |
1253 | |
1254 | DEBUGFS_ADD(flags); |
1255 | DEBUGFS_ADD(aid); |
1256 | DEBUGFS_ADD(num_ps_buf_frames); |
1257 | DEBUGFS_ADD(last_seq_ctrl); |
1258 | DEBUGFS_ADD(agg_status); |
1259 | /* FIXME: Kept here as the statistics are only done on the deflink */ |
1260 | DEBUGFS_ADD_COUNTER(tx_filtered, deflink.status_stats.filtered); |
1261 | |
1262 | DEBUGFS_ADD(aqm); |
1263 | DEBUGFS_ADD(airtime); |
1264 | |
1265 | if (wiphy_ext_feature_isset(wiphy: local->hw.wiphy, |
1266 | ftidx: NL80211_EXT_FEATURE_AQL)) |
1267 | DEBUGFS_ADD(aql); |
1268 | |
1269 | debugfs_create_xul(name: "driver_buffered_tids" , mode: 0400, parent: sta->debugfs_dir, |
1270 | value: &sta->driver_buffered_tids); |
1271 | |
1272 | drv_sta_add_debugfs(local, sdata, sta: &sta->sta, dir: sta->debugfs_dir); |
1273 | } |
1274 | |
1275 | void ieee80211_sta_debugfs_remove(struct sta_info *sta) |
1276 | { |
1277 | debugfs_remove_recursive(dentry: sta->debugfs_dir); |
1278 | sta->debugfs_dir = NULL; |
1279 | } |
1280 | |
1281 | #undef DEBUGFS_ADD |
1282 | #undef DEBUGFS_ADD_COUNTER |
1283 | |
1284 | #define DEBUGFS_ADD(name) \ |
1285 | debugfs_create_file(#name, 0400, \ |
1286 | link_sta->debugfs_dir, link_sta, &link_sta_ ##name## _ops) |
1287 | #define DEBUGFS_ADD_COUNTER(name, field) \ |
1288 | debugfs_create_ulong(#name, 0400, link_sta->debugfs_dir, &link_sta->field) |
1289 | |
1290 | void ieee80211_link_sta_debugfs_add(struct link_sta_info *link_sta) |
1291 | { |
1292 | if (WARN_ON(!link_sta->sta->debugfs_dir)) |
1293 | return; |
1294 | |
1295 | /* For non-MLO, leave the files in the main directory. */ |
1296 | if (link_sta->sta->sta.valid_links) { |
1297 | char link_dir_name[10]; |
1298 | |
1299 | snprintf(buf: link_dir_name, size: sizeof(link_dir_name), |
1300 | fmt: "link-%d" , link_sta->link_id); |
1301 | |
1302 | link_sta->debugfs_dir = |
1303 | debugfs_create_dir(name: link_dir_name, |
1304 | parent: link_sta->sta->debugfs_dir); |
1305 | |
1306 | DEBUGFS_ADD(addr); |
1307 | } else { |
1308 | if (WARN_ON(link_sta != &link_sta->sta->deflink)) |
1309 | return; |
1310 | |
1311 | link_sta->debugfs_dir = link_sta->sta->debugfs_dir; |
1312 | } |
1313 | |
1314 | DEBUGFS_ADD(ht_capa); |
1315 | DEBUGFS_ADD(vht_capa); |
1316 | DEBUGFS_ADD(he_capa); |
1317 | DEBUGFS_ADD(eht_capa); |
1318 | |
1319 | DEBUGFS_ADD_COUNTER(rx_duplicates, rx_stats.num_duplicates); |
1320 | DEBUGFS_ADD_COUNTER(rx_fragments, rx_stats.fragments); |
1321 | } |
1322 | |
1323 | void ieee80211_link_sta_debugfs_remove(struct link_sta_info *link_sta) |
1324 | { |
1325 | if (!link_sta->debugfs_dir || !link_sta->sta->debugfs_dir) { |
1326 | link_sta->debugfs_dir = NULL; |
1327 | return; |
1328 | } |
1329 | |
1330 | if (link_sta->debugfs_dir == link_sta->sta->debugfs_dir) { |
1331 | WARN_ON(link_sta != &link_sta->sta->deflink); |
1332 | link_sta->sta->debugfs_dir = NULL; |
1333 | return; |
1334 | } |
1335 | |
1336 | debugfs_remove_recursive(dentry: link_sta->debugfs_dir); |
1337 | link_sta->debugfs_dir = NULL; |
1338 | } |
1339 | |
1340 | void ieee80211_link_sta_debugfs_drv_add(struct link_sta_info *link_sta) |
1341 | { |
1342 | if (WARN_ON(!link_sta->debugfs_dir)) |
1343 | return; |
1344 | |
1345 | drv_link_sta_add_debugfs(local: link_sta->sta->local, sdata: link_sta->sta->sdata, |
1346 | link_sta: link_sta->pub, dir: link_sta->debugfs_dir); |
1347 | } |
1348 | |
1349 | void ieee80211_link_sta_debugfs_drv_remove(struct link_sta_info *link_sta) |
1350 | { |
1351 | if (!link_sta->debugfs_dir) |
1352 | return; |
1353 | |
1354 | if (WARN_ON(link_sta->debugfs_dir == link_sta->sta->debugfs_dir)) |
1355 | return; |
1356 | |
1357 | /* Recreate the directory excluding the driver data */ |
1358 | debugfs_remove_recursive(dentry: link_sta->debugfs_dir); |
1359 | link_sta->debugfs_dir = NULL; |
1360 | |
1361 | ieee80211_link_sta_debugfs_add(link_sta); |
1362 | } |
1363 | |