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5e3dd157 KV |
1 | /* |
2 | * Copyright (c) 2005-2011 Atheros Communications Inc. | |
3 | * Copyright (c) 2011-2013 Qualcomm Atheros, Inc. | |
4 | * | |
5 | * Permission to use, copy, modify, and/or distribute this software for any | |
6 | * purpose with or without fee is hereby granted, provided that the above | |
7 | * copyright notice and this permission notice appear in all copies. | |
8 | * | |
9 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
10 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
11 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
12 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
13 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
14 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
15 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
16 | */ | |
17 | ||
18 | #include "mac.h" | |
19 | ||
20 | #include <net/mac80211.h> | |
21 | #include <linux/etherdevice.h> | |
22 | ||
8cd13cad | 23 | #include "hif.h" |
5e3dd157 KV |
24 | #include "core.h" |
25 | #include "debug.h" | |
26 | #include "wmi.h" | |
27 | #include "htt.h" | |
28 | #include "txrx.h" | |
43d2a30f | 29 | #include "testmode.h" |
d7579d12 | 30 | #include "wmi.h" |
b4aa539d | 31 | #include "wmi-tlv.h" |
d7579d12 | 32 | #include "wmi-ops.h" |
5fd3ac3c | 33 | #include "wow.h" |
5e3dd157 | 34 | |
dcc33098 MK |
35 | /*********/ |
36 | /* Rates */ | |
37 | /*********/ | |
38 | ||
dcc33098 | 39 | static struct ieee80211_rate ath10k_rates[] = { |
5528e032 MK |
40 | { .bitrate = 10, |
41 | .hw_value = ATH10K_HW_RATE_CCK_LP_1M }, | |
42 | { .bitrate = 20, | |
43 | .hw_value = ATH10K_HW_RATE_CCK_LP_2M, | |
44 | .hw_value_short = ATH10K_HW_RATE_CCK_SP_2M, | |
45 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, | |
46 | { .bitrate = 55, | |
47 | .hw_value = ATH10K_HW_RATE_CCK_LP_5_5M, | |
48 | .hw_value_short = ATH10K_HW_RATE_CCK_SP_5_5M, | |
49 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, | |
50 | { .bitrate = 110, | |
51 | .hw_value = ATH10K_HW_RATE_CCK_LP_11M, | |
52 | .hw_value_short = ATH10K_HW_RATE_CCK_SP_11M, | |
53 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, | |
af00148f MK |
54 | |
55 | { .bitrate = 60, .hw_value = ATH10K_HW_RATE_OFDM_6M }, | |
56 | { .bitrate = 90, .hw_value = ATH10K_HW_RATE_OFDM_9M }, | |
57 | { .bitrate = 120, .hw_value = ATH10K_HW_RATE_OFDM_12M }, | |
58 | { .bitrate = 180, .hw_value = ATH10K_HW_RATE_OFDM_18M }, | |
59 | { .bitrate = 240, .hw_value = ATH10K_HW_RATE_OFDM_24M }, | |
60 | { .bitrate = 360, .hw_value = ATH10K_HW_RATE_OFDM_36M }, | |
61 | { .bitrate = 480, .hw_value = ATH10K_HW_RATE_OFDM_48M }, | |
62 | { .bitrate = 540, .hw_value = ATH10K_HW_RATE_OFDM_54M }, | |
dcc33098 MK |
63 | }; |
64 | ||
8d7aa6bc MK |
65 | #define ATH10K_MAC_FIRST_OFDM_RATE_IDX 4 |
66 | ||
67 | #define ath10k_a_rates (ath10k_rates + ATH10K_MAC_FIRST_OFDM_RATE_IDX) | |
68 | #define ath10k_a_rates_size (ARRAY_SIZE(ath10k_rates) - \ | |
69 | ATH10K_MAC_FIRST_OFDM_RATE_IDX) | |
dcc33098 MK |
70 | #define ath10k_g_rates (ath10k_rates + 0) |
71 | #define ath10k_g_rates_size (ARRAY_SIZE(ath10k_rates)) | |
72 | ||
486017cc MK |
73 | static bool ath10k_mac_bitrate_is_cck(int bitrate) |
74 | { | |
75 | switch (bitrate) { | |
76 | case 10: | |
77 | case 20: | |
78 | case 55: | |
79 | case 110: | |
80 | return true; | |
81 | } | |
82 | ||
83 | return false; | |
84 | } | |
85 | ||
86 | static u8 ath10k_mac_bitrate_to_rate(int bitrate) | |
87 | { | |
88 | return DIV_ROUND_UP(bitrate, 5) | | |
89 | (ath10k_mac_bitrate_is_cck(bitrate) ? BIT(7) : 0); | |
90 | } | |
91 | ||
5528e032 MK |
92 | u8 ath10k_mac_hw_rate_to_idx(const struct ieee80211_supported_band *sband, |
93 | u8 hw_rate) | |
94 | { | |
95 | const struct ieee80211_rate *rate; | |
96 | int i; | |
97 | ||
98 | for (i = 0; i < sband->n_bitrates; i++) { | |
99 | rate = &sband->bitrates[i]; | |
100 | ||
101 | if (rate->hw_value == hw_rate) | |
102 | return i; | |
103 | else if (rate->flags & IEEE80211_RATE_SHORT_PREAMBLE && | |
104 | rate->hw_value_short == hw_rate) | |
105 | return i; | |
106 | } | |
107 | ||
108 | return 0; | |
109 | } | |
110 | ||
01cebe1c MK |
111 | u8 ath10k_mac_bitrate_to_idx(const struct ieee80211_supported_band *sband, |
112 | u32 bitrate) | |
113 | { | |
114 | int i; | |
115 | ||
116 | for (i = 0; i < sband->n_bitrates; i++) | |
117 | if (sband->bitrates[i].bitrate == bitrate) | |
118 | return i; | |
119 | ||
120 | return 0; | |
121 | } | |
122 | ||
3ae54225 MK |
123 | static int ath10k_mac_get_max_vht_mcs_map(u16 mcs_map, int nss) |
124 | { | |
125 | switch ((mcs_map >> (2 * nss)) & 0x3) { | |
126 | case IEEE80211_VHT_MCS_SUPPORT_0_7: return BIT(8) - 1; | |
127 | case IEEE80211_VHT_MCS_SUPPORT_0_8: return BIT(9) - 1; | |
128 | case IEEE80211_VHT_MCS_SUPPORT_0_9: return BIT(10) - 1; | |
129 | } | |
130 | return 0; | |
131 | } | |
132 | ||
45c9abc0 MK |
133 | static u32 |
134 | ath10k_mac_max_ht_nss(const u8 ht_mcs_mask[IEEE80211_HT_MCS_MASK_LEN]) | |
135 | { | |
136 | int nss; | |
137 | ||
138 | for (nss = IEEE80211_HT_MCS_MASK_LEN - 1; nss >= 0; nss--) | |
139 | if (ht_mcs_mask[nss]) | |
140 | return nss + 1; | |
141 | ||
142 | return 1; | |
143 | } | |
144 | ||
145 | static u32 | |
146 | ath10k_mac_max_vht_nss(const u16 vht_mcs_mask[NL80211_VHT_NSS_MAX]) | |
147 | { | |
148 | int nss; | |
149 | ||
150 | for (nss = NL80211_VHT_NSS_MAX - 1; nss >= 0; nss--) | |
151 | if (vht_mcs_mask[nss]) | |
152 | return nss + 1; | |
153 | ||
154 | return 1; | |
155 | } | |
5e3dd157 KV |
156 | |
157 | /**********/ | |
158 | /* Crypto */ | |
159 | /**********/ | |
160 | ||
161 | static int ath10k_send_key(struct ath10k_vif *arvif, | |
162 | struct ieee80211_key_conf *key, | |
163 | enum set_key_cmd cmd, | |
370e5673 | 164 | const u8 *macaddr, u32 flags) |
5e3dd157 | 165 | { |
7aa7a72a | 166 | struct ath10k *ar = arvif->ar; |
5e3dd157 KV |
167 | struct wmi_vdev_install_key_arg arg = { |
168 | .vdev_id = arvif->vdev_id, | |
169 | .key_idx = key->keyidx, | |
170 | .key_len = key->keylen, | |
171 | .key_data = key->key, | |
370e5673 | 172 | .key_flags = flags, |
5e3dd157 KV |
173 | .macaddr = macaddr, |
174 | }; | |
175 | ||
548db54c MK |
176 | lockdep_assert_held(&arvif->ar->conf_mutex); |
177 | ||
5e3dd157 KV |
178 | switch (key->cipher) { |
179 | case WLAN_CIPHER_SUITE_CCMP: | |
180 | arg.key_cipher = WMI_CIPHER_AES_CCM; | |
e4e82e9a | 181 | key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV_MGMT; |
5e3dd157 KV |
182 | break; |
183 | case WLAN_CIPHER_SUITE_TKIP: | |
5e3dd157 KV |
184 | arg.key_cipher = WMI_CIPHER_TKIP; |
185 | arg.key_txmic_len = 8; | |
186 | arg.key_rxmic_len = 8; | |
187 | break; | |
188 | case WLAN_CIPHER_SUITE_WEP40: | |
189 | case WLAN_CIPHER_SUITE_WEP104: | |
190 | arg.key_cipher = WMI_CIPHER_WEP; | |
5e3dd157 | 191 | break; |
3cb10943 | 192 | case WLAN_CIPHER_SUITE_AES_CMAC: |
d7131c04 BM |
193 | WARN_ON(1); |
194 | return -EINVAL; | |
5e3dd157 | 195 | default: |
7aa7a72a | 196 | ath10k_warn(ar, "cipher %d is not supported\n", key->cipher); |
5e3dd157 KV |
197 | return -EOPNOTSUPP; |
198 | } | |
199 | ||
ccec9038 DL |
200 | if (test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) { |
201 | key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; | |
202 | } | |
203 | ||
5e3dd157 KV |
204 | if (cmd == DISABLE_KEY) { |
205 | arg.key_cipher = WMI_CIPHER_NONE; | |
206 | arg.key_data = NULL; | |
207 | } | |
208 | ||
209 | return ath10k_wmi_vdev_install_key(arvif->ar, &arg); | |
210 | } | |
211 | ||
212 | static int ath10k_install_key(struct ath10k_vif *arvif, | |
213 | struct ieee80211_key_conf *key, | |
214 | enum set_key_cmd cmd, | |
370e5673 | 215 | const u8 *macaddr, u32 flags) |
5e3dd157 KV |
216 | { |
217 | struct ath10k *ar = arvif->ar; | |
218 | int ret; | |
8e9904f5 | 219 | unsigned long time_left; |
5e3dd157 | 220 | |
548db54c MK |
221 | lockdep_assert_held(&ar->conf_mutex); |
222 | ||
16735d02 | 223 | reinit_completion(&ar->install_key_done); |
5e3dd157 | 224 | |
ccec9038 DL |
225 | if (arvif->nohwcrypt) |
226 | return 1; | |
227 | ||
370e5673 | 228 | ret = ath10k_send_key(arvif, key, cmd, macaddr, flags); |
5e3dd157 KV |
229 | if (ret) |
230 | return ret; | |
231 | ||
8e9904f5 NMG |
232 | time_left = wait_for_completion_timeout(&ar->install_key_done, 3 * HZ); |
233 | if (time_left == 0) | |
5e3dd157 KV |
234 | return -ETIMEDOUT; |
235 | ||
236 | return 0; | |
237 | } | |
238 | ||
239 | static int ath10k_install_peer_wep_keys(struct ath10k_vif *arvif, | |
240 | const u8 *addr) | |
241 | { | |
242 | struct ath10k *ar = arvif->ar; | |
243 | struct ath10k_peer *peer; | |
244 | int ret; | |
245 | int i; | |
370e5673 | 246 | u32 flags; |
5e3dd157 KV |
247 | |
248 | lockdep_assert_held(&ar->conf_mutex); | |
249 | ||
8674d909 MK |
250 | if (WARN_ON(arvif->vif->type != NL80211_IFTYPE_AP && |
251 | arvif->vif->type != NL80211_IFTYPE_ADHOC)) | |
252 | return -EINVAL; | |
253 | ||
5e3dd157 KV |
254 | spin_lock_bh(&ar->data_lock); |
255 | peer = ath10k_peer_find(ar, arvif->vdev_id, addr); | |
256 | spin_unlock_bh(&ar->data_lock); | |
257 | ||
258 | if (!peer) | |
259 | return -ENOENT; | |
260 | ||
261 | for (i = 0; i < ARRAY_SIZE(arvif->wep_keys); i++) { | |
262 | if (arvif->wep_keys[i] == NULL) | |
263 | continue; | |
370e5673 | 264 | |
8674d909 MK |
265 | switch (arvif->vif->type) { |
266 | case NL80211_IFTYPE_AP: | |
267 | flags = WMI_KEY_PAIRWISE; | |
268 | ||
269 | if (arvif->def_wep_key_idx == i) | |
270 | flags |= WMI_KEY_TX_USAGE; | |
271 | ||
272 | ret = ath10k_install_key(arvif, arvif->wep_keys[i], | |
273 | SET_KEY, addr, flags); | |
274 | if (ret < 0) | |
275 | return ret; | |
276 | break; | |
277 | case NL80211_IFTYPE_ADHOC: | |
278 | ret = ath10k_install_key(arvif, arvif->wep_keys[i], | |
279 | SET_KEY, addr, | |
280 | WMI_KEY_PAIRWISE); | |
281 | if (ret < 0) | |
282 | return ret; | |
283 | ||
284 | ret = ath10k_install_key(arvif, arvif->wep_keys[i], | |
285 | SET_KEY, addr, WMI_KEY_GROUP); | |
286 | if (ret < 0) | |
287 | return ret; | |
288 | break; | |
289 | default: | |
290 | WARN_ON(1); | |
291 | return -EINVAL; | |
292 | } | |
5e3dd157 | 293 | |
ae167131 | 294 | spin_lock_bh(&ar->data_lock); |
5e3dd157 | 295 | peer->keys[i] = arvif->wep_keys[i]; |
ae167131 | 296 | spin_unlock_bh(&ar->data_lock); |
5e3dd157 KV |
297 | } |
298 | ||
ce90b271 MK |
299 | /* In some cases (notably with static WEP IBSS with multiple keys) |
300 | * multicast Tx becomes broken. Both pairwise and groupwise keys are | |
301 | * installed already. Using WMI_KEY_TX_USAGE in different combinations | |
302 | * didn't seem help. Using def_keyid vdev parameter seems to be | |
303 | * effective so use that. | |
304 | * | |
305 | * FIXME: Revisit. Perhaps this can be done in a less hacky way. | |
306 | */ | |
8674d909 MK |
307 | if (arvif->vif->type != NL80211_IFTYPE_ADHOC) |
308 | return 0; | |
309 | ||
ce90b271 MK |
310 | if (arvif->def_wep_key_idx == -1) |
311 | return 0; | |
312 | ||
313 | ret = ath10k_wmi_vdev_set_param(arvif->ar, | |
314 | arvif->vdev_id, | |
315 | arvif->ar->wmi.vdev_param->def_keyid, | |
316 | arvif->def_wep_key_idx); | |
317 | if (ret) { | |
318 | ath10k_warn(ar, "failed to re-set def wpa key idxon vdev %i: %d\n", | |
319 | arvif->vdev_id, ret); | |
320 | return ret; | |
321 | } | |
322 | ||
5e3dd157 KV |
323 | return 0; |
324 | } | |
325 | ||
326 | static int ath10k_clear_peer_keys(struct ath10k_vif *arvif, | |
327 | const u8 *addr) | |
328 | { | |
329 | struct ath10k *ar = arvif->ar; | |
330 | struct ath10k_peer *peer; | |
331 | int first_errno = 0; | |
332 | int ret; | |
333 | int i; | |
370e5673 | 334 | u32 flags = 0; |
5e3dd157 KV |
335 | |
336 | lockdep_assert_held(&ar->conf_mutex); | |
337 | ||
338 | spin_lock_bh(&ar->data_lock); | |
339 | peer = ath10k_peer_find(ar, arvif->vdev_id, addr); | |
340 | spin_unlock_bh(&ar->data_lock); | |
341 | ||
342 | if (!peer) | |
343 | return -ENOENT; | |
344 | ||
345 | for (i = 0; i < ARRAY_SIZE(peer->keys); i++) { | |
346 | if (peer->keys[i] == NULL) | |
347 | continue; | |
348 | ||
627613f8 | 349 | /* key flags are not required to delete the key */ |
5e3dd157 | 350 | ret = ath10k_install_key(arvif, peer->keys[i], |
370e5673 | 351 | DISABLE_KEY, addr, flags); |
ccec9038 | 352 | if (ret < 0 && first_errno == 0) |
5e3dd157 KV |
353 | first_errno = ret; |
354 | ||
ccec9038 | 355 | if (ret < 0) |
7aa7a72a | 356 | ath10k_warn(ar, "failed to remove peer wep key %d: %d\n", |
5e3dd157 KV |
357 | i, ret); |
358 | ||
ae167131 | 359 | spin_lock_bh(&ar->data_lock); |
5e3dd157 | 360 | peer->keys[i] = NULL; |
ae167131 | 361 | spin_unlock_bh(&ar->data_lock); |
5e3dd157 KV |
362 | } |
363 | ||
364 | return first_errno; | |
365 | } | |
366 | ||
504f6cdf SM |
367 | bool ath10k_mac_is_peer_wep_key_set(struct ath10k *ar, const u8 *addr, |
368 | u8 keyidx) | |
369 | { | |
370 | struct ath10k_peer *peer; | |
371 | int i; | |
372 | ||
373 | lockdep_assert_held(&ar->data_lock); | |
374 | ||
375 | /* We don't know which vdev this peer belongs to, | |
376 | * since WMI doesn't give us that information. | |
377 | * | |
378 | * FIXME: multi-bss needs to be handled. | |
379 | */ | |
380 | peer = ath10k_peer_find(ar, 0, addr); | |
381 | if (!peer) | |
382 | return false; | |
383 | ||
384 | for (i = 0; i < ARRAY_SIZE(peer->keys); i++) { | |
385 | if (peer->keys[i] && peer->keys[i]->keyidx == keyidx) | |
386 | return true; | |
387 | } | |
388 | ||
389 | return false; | |
390 | } | |
391 | ||
5e3dd157 KV |
392 | static int ath10k_clear_vdev_key(struct ath10k_vif *arvif, |
393 | struct ieee80211_key_conf *key) | |
394 | { | |
395 | struct ath10k *ar = arvif->ar; | |
396 | struct ath10k_peer *peer; | |
397 | u8 addr[ETH_ALEN]; | |
398 | int first_errno = 0; | |
399 | int ret; | |
400 | int i; | |
370e5673 | 401 | u32 flags = 0; |
5e3dd157 KV |
402 | |
403 | lockdep_assert_held(&ar->conf_mutex); | |
404 | ||
405 | for (;;) { | |
406 | /* since ath10k_install_key we can't hold data_lock all the | |
407 | * time, so we try to remove the keys incrementally */ | |
408 | spin_lock_bh(&ar->data_lock); | |
409 | i = 0; | |
410 | list_for_each_entry(peer, &ar->peers, list) { | |
411 | for (i = 0; i < ARRAY_SIZE(peer->keys); i++) { | |
412 | if (peer->keys[i] == key) { | |
b25f32cb | 413 | ether_addr_copy(addr, peer->addr); |
5e3dd157 KV |
414 | peer->keys[i] = NULL; |
415 | break; | |
416 | } | |
417 | } | |
418 | ||
419 | if (i < ARRAY_SIZE(peer->keys)) | |
420 | break; | |
421 | } | |
422 | spin_unlock_bh(&ar->data_lock); | |
423 | ||
424 | if (i == ARRAY_SIZE(peer->keys)) | |
425 | break; | |
627613f8 | 426 | /* key flags are not required to delete the key */ |
370e5673 | 427 | ret = ath10k_install_key(arvif, key, DISABLE_KEY, addr, flags); |
ccec9038 | 428 | if (ret < 0 && first_errno == 0) |
5e3dd157 KV |
429 | first_errno = ret; |
430 | ||
431 | if (ret) | |
7aa7a72a | 432 | ath10k_warn(ar, "failed to remove key for %pM: %d\n", |
be6546fc | 433 | addr, ret); |
5e3dd157 KV |
434 | } |
435 | ||
436 | return first_errno; | |
437 | } | |
438 | ||
ad325cb5 MK |
439 | static int ath10k_mac_vif_update_wep_key(struct ath10k_vif *arvif, |
440 | struct ieee80211_key_conf *key) | |
441 | { | |
442 | struct ath10k *ar = arvif->ar; | |
443 | struct ath10k_peer *peer; | |
444 | int ret; | |
445 | ||
446 | lockdep_assert_held(&ar->conf_mutex); | |
447 | ||
448 | list_for_each_entry(peer, &ar->peers, list) { | |
449 | if (!memcmp(peer->addr, arvif->vif->addr, ETH_ALEN)) | |
450 | continue; | |
451 | ||
452 | if (!memcmp(peer->addr, arvif->bssid, ETH_ALEN)) | |
453 | continue; | |
454 | ||
455 | if (peer->keys[key->keyidx] == key) | |
456 | continue; | |
457 | ||
458 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vif vdev %i update key %i needs update\n", | |
459 | arvif->vdev_id, key->keyidx); | |
460 | ||
461 | ret = ath10k_install_peer_wep_keys(arvif, peer->addr); | |
462 | if (ret) { | |
463 | ath10k_warn(ar, "failed to update wep keys on vdev %i for peer %pM: %d\n", | |
464 | arvif->vdev_id, peer->addr, ret); | |
465 | return ret; | |
466 | } | |
467 | } | |
468 | ||
469 | return 0; | |
470 | } | |
471 | ||
5e3dd157 KV |
472 | /*********************/ |
473 | /* General utilities */ | |
474 | /*********************/ | |
475 | ||
476 | static inline enum wmi_phy_mode | |
477 | chan_to_phymode(const struct cfg80211_chan_def *chandef) | |
478 | { | |
479 | enum wmi_phy_mode phymode = MODE_UNKNOWN; | |
480 | ||
481 | switch (chandef->chan->band) { | |
482 | case IEEE80211_BAND_2GHZ: | |
483 | switch (chandef->width) { | |
484 | case NL80211_CHAN_WIDTH_20_NOHT: | |
6faab127 PO |
485 | if (chandef->chan->flags & IEEE80211_CHAN_NO_OFDM) |
486 | phymode = MODE_11B; | |
487 | else | |
488 | phymode = MODE_11G; | |
5e3dd157 KV |
489 | break; |
490 | case NL80211_CHAN_WIDTH_20: | |
491 | phymode = MODE_11NG_HT20; | |
492 | break; | |
493 | case NL80211_CHAN_WIDTH_40: | |
494 | phymode = MODE_11NG_HT40; | |
495 | break; | |
0f817ed5 JL |
496 | case NL80211_CHAN_WIDTH_5: |
497 | case NL80211_CHAN_WIDTH_10: | |
5e3dd157 KV |
498 | case NL80211_CHAN_WIDTH_80: |
499 | case NL80211_CHAN_WIDTH_80P80: | |
500 | case NL80211_CHAN_WIDTH_160: | |
501 | phymode = MODE_UNKNOWN; | |
502 | break; | |
503 | } | |
504 | break; | |
505 | case IEEE80211_BAND_5GHZ: | |
506 | switch (chandef->width) { | |
507 | case NL80211_CHAN_WIDTH_20_NOHT: | |
508 | phymode = MODE_11A; | |
509 | break; | |
510 | case NL80211_CHAN_WIDTH_20: | |
511 | phymode = MODE_11NA_HT20; | |
512 | break; | |
513 | case NL80211_CHAN_WIDTH_40: | |
514 | phymode = MODE_11NA_HT40; | |
515 | break; | |
516 | case NL80211_CHAN_WIDTH_80: | |
517 | phymode = MODE_11AC_VHT80; | |
518 | break; | |
0f817ed5 JL |
519 | case NL80211_CHAN_WIDTH_5: |
520 | case NL80211_CHAN_WIDTH_10: | |
5e3dd157 KV |
521 | case NL80211_CHAN_WIDTH_80P80: |
522 | case NL80211_CHAN_WIDTH_160: | |
523 | phymode = MODE_UNKNOWN; | |
524 | break; | |
525 | } | |
526 | break; | |
527 | default: | |
528 | break; | |
529 | } | |
530 | ||
531 | WARN_ON(phymode == MODE_UNKNOWN); | |
532 | return phymode; | |
533 | } | |
534 | ||
535 | static u8 ath10k_parse_mpdudensity(u8 mpdudensity) | |
536 | { | |
537 | /* | |
538 | * 802.11n D2.0 defined values for "Minimum MPDU Start Spacing": | |
539 | * 0 for no restriction | |
540 | * 1 for 1/4 us | |
541 | * 2 for 1/2 us | |
542 | * 3 for 1 us | |
543 | * 4 for 2 us | |
544 | * 5 for 4 us | |
545 | * 6 for 8 us | |
546 | * 7 for 16 us | |
547 | */ | |
548 | switch (mpdudensity) { | |
549 | case 0: | |
550 | return 0; | |
551 | case 1: | |
552 | case 2: | |
553 | case 3: | |
554 | /* Our lower layer calculations limit our precision to | |
555 | 1 microsecond */ | |
556 | return 1; | |
557 | case 4: | |
558 | return 2; | |
559 | case 5: | |
560 | return 4; | |
561 | case 6: | |
562 | return 8; | |
563 | case 7: | |
564 | return 16; | |
565 | default: | |
566 | return 0; | |
567 | } | |
568 | } | |
569 | ||
500ff9f9 MK |
570 | int ath10k_mac_vif_chan(struct ieee80211_vif *vif, |
571 | struct cfg80211_chan_def *def) | |
572 | { | |
573 | struct ieee80211_chanctx_conf *conf; | |
574 | ||
575 | rcu_read_lock(); | |
576 | conf = rcu_dereference(vif->chanctx_conf); | |
577 | if (!conf) { | |
578 | rcu_read_unlock(); | |
579 | return -ENOENT; | |
580 | } | |
581 | ||
582 | *def = conf->def; | |
583 | rcu_read_unlock(); | |
584 | ||
585 | return 0; | |
586 | } | |
587 | ||
588 | static void ath10k_mac_num_chanctxs_iter(struct ieee80211_hw *hw, | |
589 | struct ieee80211_chanctx_conf *conf, | |
590 | void *data) | |
591 | { | |
592 | int *num = data; | |
593 | ||
594 | (*num)++; | |
595 | } | |
596 | ||
597 | static int ath10k_mac_num_chanctxs(struct ath10k *ar) | |
598 | { | |
599 | int num = 0; | |
600 | ||
601 | ieee80211_iter_chan_contexts_atomic(ar->hw, | |
602 | ath10k_mac_num_chanctxs_iter, | |
603 | &num); | |
604 | ||
605 | return num; | |
606 | } | |
607 | ||
608 | static void | |
609 | ath10k_mac_get_any_chandef_iter(struct ieee80211_hw *hw, | |
610 | struct ieee80211_chanctx_conf *conf, | |
611 | void *data) | |
612 | { | |
613 | struct cfg80211_chan_def **def = data; | |
614 | ||
615 | *def = &conf->def; | |
616 | } | |
617 | ||
7390ed34 MP |
618 | static int ath10k_peer_create(struct ath10k *ar, u32 vdev_id, const u8 *addr, |
619 | enum wmi_peer_type peer_type) | |
5e3dd157 | 620 | { |
e04cafbc MK |
621 | struct ath10k_vif *arvif; |
622 | int num_peers = 0; | |
5e3dd157 KV |
623 | int ret; |
624 | ||
625 | lockdep_assert_held(&ar->conf_mutex); | |
626 | ||
e04cafbc MK |
627 | num_peers = ar->num_peers; |
628 | ||
629 | /* Each vdev consumes a peer entry as well */ | |
630 | list_for_each_entry(arvif, &ar->arvifs, list) | |
631 | num_peers++; | |
632 | ||
633 | if (num_peers >= ar->max_num_peers) | |
cfd1061e MK |
634 | return -ENOBUFS; |
635 | ||
7390ed34 | 636 | ret = ath10k_wmi_peer_create(ar, vdev_id, addr, peer_type); |
479398b0 | 637 | if (ret) { |
7aa7a72a | 638 | ath10k_warn(ar, "failed to create wmi peer %pM on vdev %i: %i\n", |
69244e56 | 639 | addr, vdev_id, ret); |
5e3dd157 | 640 | return ret; |
479398b0 | 641 | } |
5e3dd157 KV |
642 | |
643 | ret = ath10k_wait_for_peer_created(ar, vdev_id, addr); | |
479398b0 | 644 | if (ret) { |
7aa7a72a | 645 | ath10k_warn(ar, "failed to wait for created wmi peer %pM on vdev %i: %i\n", |
69244e56 | 646 | addr, vdev_id, ret); |
5e3dd157 | 647 | return ret; |
479398b0 | 648 | } |
292a753d | 649 | |
0e759f36 | 650 | ar->num_peers++; |
5e3dd157 KV |
651 | |
652 | return 0; | |
653 | } | |
654 | ||
5a13e76e KV |
655 | static int ath10k_mac_set_kickout(struct ath10k_vif *arvif) |
656 | { | |
657 | struct ath10k *ar = arvif->ar; | |
658 | u32 param; | |
659 | int ret; | |
660 | ||
661 | param = ar->wmi.pdev_param->sta_kickout_th; | |
662 | ret = ath10k_wmi_pdev_set_param(ar, param, | |
663 | ATH10K_KICKOUT_THRESHOLD); | |
664 | if (ret) { | |
7aa7a72a | 665 | ath10k_warn(ar, "failed to set kickout threshold on vdev %i: %d\n", |
69244e56 | 666 | arvif->vdev_id, ret); |
5a13e76e KV |
667 | return ret; |
668 | } | |
669 | ||
670 | param = ar->wmi.vdev_param->ap_keepalive_min_idle_inactive_time_secs; | |
671 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param, | |
672 | ATH10K_KEEPALIVE_MIN_IDLE); | |
673 | if (ret) { | |
7aa7a72a | 674 | ath10k_warn(ar, "failed to set keepalive minimum idle time on vdev %i: %d\n", |
69244e56 | 675 | arvif->vdev_id, ret); |
5a13e76e KV |
676 | return ret; |
677 | } | |
678 | ||
679 | param = ar->wmi.vdev_param->ap_keepalive_max_idle_inactive_time_secs; | |
680 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param, | |
681 | ATH10K_KEEPALIVE_MAX_IDLE); | |
682 | if (ret) { | |
7aa7a72a | 683 | ath10k_warn(ar, "failed to set keepalive maximum idle time on vdev %i: %d\n", |
69244e56 | 684 | arvif->vdev_id, ret); |
5a13e76e KV |
685 | return ret; |
686 | } | |
687 | ||
688 | param = ar->wmi.vdev_param->ap_keepalive_max_unresponsive_time_secs; | |
689 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param, | |
690 | ATH10K_KEEPALIVE_MAX_UNRESPONSIVE); | |
691 | if (ret) { | |
7aa7a72a | 692 | ath10k_warn(ar, "failed to set keepalive maximum unresponsive time on vdev %i: %d\n", |
69244e56 | 693 | arvif->vdev_id, ret); |
5a13e76e KV |
694 | return ret; |
695 | } | |
696 | ||
697 | return 0; | |
698 | } | |
699 | ||
acab6400 | 700 | static int ath10k_mac_set_rts(struct ath10k_vif *arvif, u32 value) |
424121c3 | 701 | { |
6d1506e7 BM |
702 | struct ath10k *ar = arvif->ar; |
703 | u32 vdev_param; | |
704 | ||
6d1506e7 BM |
705 | vdev_param = ar->wmi.vdev_param->rts_threshold; |
706 | return ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, value); | |
424121c3 MK |
707 | } |
708 | ||
5e3dd157 KV |
709 | static int ath10k_peer_delete(struct ath10k *ar, u32 vdev_id, const u8 *addr) |
710 | { | |
711 | int ret; | |
712 | ||
713 | lockdep_assert_held(&ar->conf_mutex); | |
714 | ||
715 | ret = ath10k_wmi_peer_delete(ar, vdev_id, addr); | |
716 | if (ret) | |
717 | return ret; | |
718 | ||
719 | ret = ath10k_wait_for_peer_deleted(ar, vdev_id, addr); | |
720 | if (ret) | |
721 | return ret; | |
722 | ||
0e759f36 | 723 | ar->num_peers--; |
0e759f36 | 724 | |
5e3dd157 KV |
725 | return 0; |
726 | } | |
727 | ||
728 | static void ath10k_peer_cleanup(struct ath10k *ar, u32 vdev_id) | |
729 | { | |
730 | struct ath10k_peer *peer, *tmp; | |
731 | ||
732 | lockdep_assert_held(&ar->conf_mutex); | |
733 | ||
734 | spin_lock_bh(&ar->data_lock); | |
735 | list_for_each_entry_safe(peer, tmp, &ar->peers, list) { | |
736 | if (peer->vdev_id != vdev_id) | |
737 | continue; | |
738 | ||
7aa7a72a | 739 | ath10k_warn(ar, "removing stale peer %pM from vdev_id %d\n", |
5e3dd157 KV |
740 | peer->addr, vdev_id); |
741 | ||
742 | list_del(&peer->list); | |
743 | kfree(peer); | |
0e759f36 | 744 | ar->num_peers--; |
5e3dd157 KV |
745 | } |
746 | spin_unlock_bh(&ar->data_lock); | |
747 | } | |
748 | ||
a96d7745 MK |
749 | static void ath10k_peer_cleanup_all(struct ath10k *ar) |
750 | { | |
751 | struct ath10k_peer *peer, *tmp; | |
752 | ||
753 | lockdep_assert_held(&ar->conf_mutex); | |
754 | ||
755 | spin_lock_bh(&ar->data_lock); | |
756 | list_for_each_entry_safe(peer, tmp, &ar->peers, list) { | |
757 | list_del(&peer->list); | |
758 | kfree(peer); | |
759 | } | |
760 | spin_unlock_bh(&ar->data_lock); | |
292a753d MK |
761 | |
762 | ar->num_peers = 0; | |
cfd1061e | 763 | ar->num_stations = 0; |
a96d7745 MK |
764 | } |
765 | ||
75d85fd9 MP |
766 | static int ath10k_mac_tdls_peer_update(struct ath10k *ar, u32 vdev_id, |
767 | struct ieee80211_sta *sta, | |
768 | enum wmi_tdls_peer_state state) | |
769 | { | |
770 | int ret; | |
771 | struct wmi_tdls_peer_update_cmd_arg arg = {}; | |
772 | struct wmi_tdls_peer_capab_arg cap = {}; | |
773 | struct wmi_channel_arg chan_arg = {}; | |
774 | ||
775 | lockdep_assert_held(&ar->conf_mutex); | |
776 | ||
777 | arg.vdev_id = vdev_id; | |
778 | arg.peer_state = state; | |
779 | ether_addr_copy(arg.addr, sta->addr); | |
780 | ||
781 | cap.peer_max_sp = sta->max_sp; | |
782 | cap.peer_uapsd_queues = sta->uapsd_queues; | |
783 | ||
784 | if (state == WMI_TDLS_PEER_STATE_CONNECTED && | |
785 | !sta->tdls_initiator) | |
786 | cap.is_peer_responder = 1; | |
787 | ||
788 | ret = ath10k_wmi_tdls_peer_update(ar, &arg, &cap, &chan_arg); | |
789 | if (ret) { | |
790 | ath10k_warn(ar, "failed to update tdls peer %pM on vdev %i: %i\n", | |
791 | arg.addr, vdev_id, ret); | |
792 | return ret; | |
793 | } | |
794 | ||
795 | return 0; | |
796 | } | |
797 | ||
5e3dd157 KV |
798 | /************************/ |
799 | /* Interface management */ | |
800 | /************************/ | |
801 | ||
64badcb6 MK |
802 | void ath10k_mac_vif_beacon_free(struct ath10k_vif *arvif) |
803 | { | |
804 | struct ath10k *ar = arvif->ar; | |
805 | ||
806 | lockdep_assert_held(&ar->data_lock); | |
807 | ||
808 | if (!arvif->beacon) | |
809 | return; | |
810 | ||
811 | if (!arvif->beacon_buf) | |
812 | dma_unmap_single(ar->dev, ATH10K_SKB_CB(arvif->beacon)->paddr, | |
813 | arvif->beacon->len, DMA_TO_DEVICE); | |
814 | ||
af21319f MK |
815 | if (WARN_ON(arvif->beacon_state != ATH10K_BEACON_SCHEDULED && |
816 | arvif->beacon_state != ATH10K_BEACON_SENT)) | |
817 | return; | |
818 | ||
64badcb6 MK |
819 | dev_kfree_skb_any(arvif->beacon); |
820 | ||
821 | arvif->beacon = NULL; | |
af21319f | 822 | arvif->beacon_state = ATH10K_BEACON_SCHEDULED; |
64badcb6 MK |
823 | } |
824 | ||
825 | static void ath10k_mac_vif_beacon_cleanup(struct ath10k_vif *arvif) | |
826 | { | |
827 | struct ath10k *ar = arvif->ar; | |
828 | ||
829 | lockdep_assert_held(&ar->data_lock); | |
830 | ||
831 | ath10k_mac_vif_beacon_free(arvif); | |
832 | ||
833 | if (arvif->beacon_buf) { | |
834 | dma_free_coherent(ar->dev, IEEE80211_MAX_FRAME_LEN, | |
835 | arvif->beacon_buf, arvif->beacon_paddr); | |
836 | arvif->beacon_buf = NULL; | |
837 | } | |
838 | } | |
839 | ||
5e3dd157 KV |
840 | static inline int ath10k_vdev_setup_sync(struct ath10k *ar) |
841 | { | |
8e9904f5 | 842 | unsigned long time_left; |
5e3dd157 | 843 | |
548db54c MK |
844 | lockdep_assert_held(&ar->conf_mutex); |
845 | ||
7962b0d8 MK |
846 | if (test_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags)) |
847 | return -ESHUTDOWN; | |
848 | ||
8e9904f5 NMG |
849 | time_left = wait_for_completion_timeout(&ar->vdev_setup_done, |
850 | ATH10K_VDEV_SETUP_TIMEOUT_HZ); | |
851 | if (time_left == 0) | |
5e3dd157 KV |
852 | return -ETIMEDOUT; |
853 | ||
854 | return 0; | |
855 | } | |
856 | ||
1bbc0975 | 857 | static int ath10k_monitor_vdev_start(struct ath10k *ar, int vdev_id) |
5e3dd157 | 858 | { |
500ff9f9 | 859 | struct cfg80211_chan_def *chandef = NULL; |
19be9e9a | 860 | struct ieee80211_channel *channel = NULL; |
5e3dd157 | 861 | struct wmi_vdev_start_request_arg arg = {}; |
5e3dd157 KV |
862 | int ret = 0; |
863 | ||
864 | lockdep_assert_held(&ar->conf_mutex); | |
865 | ||
500ff9f9 MK |
866 | ieee80211_iter_chan_contexts_atomic(ar->hw, |
867 | ath10k_mac_get_any_chandef_iter, | |
868 | &chandef); | |
869 | if (WARN_ON_ONCE(!chandef)) | |
870 | return -ENOENT; | |
871 | ||
872 | channel = chandef->chan; | |
873 | ||
5e3dd157 KV |
874 | arg.vdev_id = vdev_id; |
875 | arg.channel.freq = channel->center_freq; | |
c930f744 | 876 | arg.channel.band_center_freq1 = chandef->center_freq1; |
5e3dd157 KV |
877 | |
878 | /* TODO setup this dynamically, what in case we | |
879 | don't have any vifs? */ | |
c930f744 | 880 | arg.channel.mode = chan_to_phymode(chandef); |
e8a50f8b MP |
881 | arg.channel.chan_radar = |
882 | !!(channel->flags & IEEE80211_CHAN_RADAR); | |
5e3dd157 | 883 | |
89c5c843 | 884 | arg.channel.min_power = 0; |
02256930 MK |
885 | arg.channel.max_power = channel->max_power * 2; |
886 | arg.channel.max_reg_power = channel->max_reg_power * 2; | |
887 | arg.channel.max_antenna_gain = channel->max_antenna_gain * 2; | |
5e3dd157 | 888 | |
7962b0d8 MK |
889 | reinit_completion(&ar->vdev_setup_done); |
890 | ||
5e3dd157 KV |
891 | ret = ath10k_wmi_vdev_start(ar, &arg); |
892 | if (ret) { | |
7aa7a72a | 893 | ath10k_warn(ar, "failed to request monitor vdev %i start: %d\n", |
69244e56 | 894 | vdev_id, ret); |
5e3dd157 KV |
895 | return ret; |
896 | } | |
897 | ||
898 | ret = ath10k_vdev_setup_sync(ar); | |
899 | if (ret) { | |
60028a81 | 900 | ath10k_warn(ar, "failed to synchronize setup for monitor vdev %i start: %d\n", |
69244e56 | 901 | vdev_id, ret); |
5e3dd157 KV |
902 | return ret; |
903 | } | |
904 | ||
905 | ret = ath10k_wmi_vdev_up(ar, vdev_id, 0, ar->mac_addr); | |
906 | if (ret) { | |
7aa7a72a | 907 | ath10k_warn(ar, "failed to put up monitor vdev %i: %d\n", |
69244e56 | 908 | vdev_id, ret); |
5e3dd157 KV |
909 | goto vdev_stop; |
910 | } | |
911 | ||
912 | ar->monitor_vdev_id = vdev_id; | |
5e3dd157 | 913 | |
7aa7a72a | 914 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %i started\n", |
1bbc0975 | 915 | ar->monitor_vdev_id); |
5e3dd157 KV |
916 | return 0; |
917 | ||
918 | vdev_stop: | |
919 | ret = ath10k_wmi_vdev_stop(ar, ar->monitor_vdev_id); | |
920 | if (ret) | |
7aa7a72a | 921 | ath10k_warn(ar, "failed to stop monitor vdev %i after start failure: %d\n", |
69244e56 | 922 | ar->monitor_vdev_id, ret); |
5e3dd157 KV |
923 | |
924 | return ret; | |
925 | } | |
926 | ||
1bbc0975 | 927 | static int ath10k_monitor_vdev_stop(struct ath10k *ar) |
5e3dd157 KV |
928 | { |
929 | int ret = 0; | |
930 | ||
931 | lockdep_assert_held(&ar->conf_mutex); | |
932 | ||
52fa0191 MP |
933 | ret = ath10k_wmi_vdev_down(ar, ar->monitor_vdev_id); |
934 | if (ret) | |
7aa7a72a | 935 | ath10k_warn(ar, "failed to put down monitor vdev %i: %d\n", |
69244e56 | 936 | ar->monitor_vdev_id, ret); |
5e3dd157 | 937 | |
7962b0d8 MK |
938 | reinit_completion(&ar->vdev_setup_done); |
939 | ||
5e3dd157 KV |
940 | ret = ath10k_wmi_vdev_stop(ar, ar->monitor_vdev_id); |
941 | if (ret) | |
7aa7a72a | 942 | ath10k_warn(ar, "failed to to request monitor vdev %i stop: %d\n", |
69244e56 | 943 | ar->monitor_vdev_id, ret); |
5e3dd157 KV |
944 | |
945 | ret = ath10k_vdev_setup_sync(ar); | |
946 | if (ret) | |
60028a81 | 947 | ath10k_warn(ar, "failed to synchronize monitor vdev %i stop: %d\n", |
69244e56 | 948 | ar->monitor_vdev_id, ret); |
5e3dd157 | 949 | |
7aa7a72a | 950 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %i stopped\n", |
1bbc0975 | 951 | ar->monitor_vdev_id); |
5e3dd157 KV |
952 | return ret; |
953 | } | |
954 | ||
1bbc0975 | 955 | static int ath10k_monitor_vdev_create(struct ath10k *ar) |
5e3dd157 KV |
956 | { |
957 | int bit, ret = 0; | |
958 | ||
959 | lockdep_assert_held(&ar->conf_mutex); | |
960 | ||
a9aefb3b | 961 | if (ar->free_vdev_map == 0) { |
7aa7a72a | 962 | ath10k_warn(ar, "failed to find free vdev id for monitor vdev\n"); |
5e3dd157 KV |
963 | return -ENOMEM; |
964 | } | |
965 | ||
16c11176 | 966 | bit = __ffs64(ar->free_vdev_map); |
a9aefb3b | 967 | |
16c11176 | 968 | ar->monitor_vdev_id = bit; |
5e3dd157 KV |
969 | |
970 | ret = ath10k_wmi_vdev_create(ar, ar->monitor_vdev_id, | |
971 | WMI_VDEV_TYPE_MONITOR, | |
972 | 0, ar->mac_addr); | |
973 | if (ret) { | |
7aa7a72a | 974 | ath10k_warn(ar, "failed to request monitor vdev %i creation: %d\n", |
69244e56 | 975 | ar->monitor_vdev_id, ret); |
a9aefb3b | 976 | return ret; |
5e3dd157 KV |
977 | } |
978 | ||
16c11176 | 979 | ar->free_vdev_map &= ~(1LL << ar->monitor_vdev_id); |
7aa7a72a | 980 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %d created\n", |
5e3dd157 KV |
981 | ar->monitor_vdev_id); |
982 | ||
5e3dd157 | 983 | return 0; |
5e3dd157 KV |
984 | } |
985 | ||
1bbc0975 | 986 | static int ath10k_monitor_vdev_delete(struct ath10k *ar) |
5e3dd157 KV |
987 | { |
988 | int ret = 0; | |
989 | ||
990 | lockdep_assert_held(&ar->conf_mutex); | |
991 | ||
5e3dd157 KV |
992 | ret = ath10k_wmi_vdev_delete(ar, ar->monitor_vdev_id); |
993 | if (ret) { | |
7aa7a72a | 994 | ath10k_warn(ar, "failed to request wmi monitor vdev %i removal: %d\n", |
69244e56 | 995 | ar->monitor_vdev_id, ret); |
5e3dd157 KV |
996 | return ret; |
997 | } | |
998 | ||
16c11176 | 999 | ar->free_vdev_map |= 1LL << ar->monitor_vdev_id; |
5e3dd157 | 1000 | |
7aa7a72a | 1001 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %d deleted\n", |
5e3dd157 KV |
1002 | ar->monitor_vdev_id); |
1003 | return ret; | |
1004 | } | |
1005 | ||
1bbc0975 MK |
1006 | static int ath10k_monitor_start(struct ath10k *ar) |
1007 | { | |
1008 | int ret; | |
1009 | ||
1010 | lockdep_assert_held(&ar->conf_mutex); | |
1011 | ||
1bbc0975 MK |
1012 | ret = ath10k_monitor_vdev_create(ar); |
1013 | if (ret) { | |
7aa7a72a | 1014 | ath10k_warn(ar, "failed to create monitor vdev: %d\n", ret); |
1bbc0975 MK |
1015 | return ret; |
1016 | } | |
1017 | ||
1018 | ret = ath10k_monitor_vdev_start(ar, ar->monitor_vdev_id); | |
1019 | if (ret) { | |
7aa7a72a | 1020 | ath10k_warn(ar, "failed to start monitor vdev: %d\n", ret); |
1bbc0975 MK |
1021 | ath10k_monitor_vdev_delete(ar); |
1022 | return ret; | |
1023 | } | |
1024 | ||
1025 | ar->monitor_started = true; | |
7aa7a72a | 1026 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor started\n"); |
1bbc0975 MK |
1027 | |
1028 | return 0; | |
1029 | } | |
1030 | ||
1933747f | 1031 | static int ath10k_monitor_stop(struct ath10k *ar) |
1bbc0975 MK |
1032 | { |
1033 | int ret; | |
1034 | ||
1035 | lockdep_assert_held(&ar->conf_mutex); | |
1036 | ||
1bbc0975 | 1037 | ret = ath10k_monitor_vdev_stop(ar); |
1933747f | 1038 | if (ret) { |
7aa7a72a | 1039 | ath10k_warn(ar, "failed to stop monitor vdev: %d\n", ret); |
1933747f MK |
1040 | return ret; |
1041 | } | |
1bbc0975 MK |
1042 | |
1043 | ret = ath10k_monitor_vdev_delete(ar); | |
1933747f | 1044 | if (ret) { |
7aa7a72a | 1045 | ath10k_warn(ar, "failed to delete monitor vdev: %d\n", ret); |
1933747f MK |
1046 | return ret; |
1047 | } | |
1bbc0975 MK |
1048 | |
1049 | ar->monitor_started = false; | |
7aa7a72a | 1050 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor stopped\n"); |
1933747f MK |
1051 | |
1052 | return 0; | |
1053 | } | |
1054 | ||
500ff9f9 MK |
1055 | static bool ath10k_mac_monitor_vdev_is_needed(struct ath10k *ar) |
1056 | { | |
1057 | int num_ctx; | |
1058 | ||
1059 | /* At least one chanctx is required to derive a channel to start | |
1060 | * monitor vdev on. | |
1061 | */ | |
1062 | num_ctx = ath10k_mac_num_chanctxs(ar); | |
1063 | if (num_ctx == 0) | |
1064 | return false; | |
1065 | ||
1066 | /* If there's already an existing special monitor interface then don't | |
1067 | * bother creating another monitor vdev. | |
1068 | */ | |
1069 | if (ar->monitor_arvif) | |
1070 | return false; | |
1071 | ||
1072 | return ar->monitor || | |
500ff9f9 MK |
1073 | test_bit(ATH10K_CAC_RUNNING, &ar->dev_flags); |
1074 | } | |
1075 | ||
1076 | static bool ath10k_mac_monitor_vdev_is_allowed(struct ath10k *ar) | |
1077 | { | |
1078 | int num_ctx; | |
1079 | ||
1080 | num_ctx = ath10k_mac_num_chanctxs(ar); | |
1081 | ||
1082 | /* FIXME: Current interface combinations and cfg80211/mac80211 code | |
1083 | * shouldn't allow this but make sure to prevent handling the following | |
1084 | * case anyway since multi-channel DFS hasn't been tested at all. | |
1085 | */ | |
1086 | if (test_bit(ATH10K_CAC_RUNNING, &ar->dev_flags) && num_ctx > 1) | |
1087 | return false; | |
1088 | ||
1089 | return true; | |
1090 | } | |
1091 | ||
1933747f MK |
1092 | static int ath10k_monitor_recalc(struct ath10k *ar) |
1093 | { | |
500ff9f9 MK |
1094 | bool needed; |
1095 | bool allowed; | |
1096 | int ret; | |
1933747f MK |
1097 | |
1098 | lockdep_assert_held(&ar->conf_mutex); | |
1099 | ||
500ff9f9 MK |
1100 | needed = ath10k_mac_monitor_vdev_is_needed(ar); |
1101 | allowed = ath10k_mac_monitor_vdev_is_allowed(ar); | |
1933747f MK |
1102 | |
1103 | ath10k_dbg(ar, ATH10K_DBG_MAC, | |
500ff9f9 MK |
1104 | "mac monitor recalc started? %d needed? %d allowed? %d\n", |
1105 | ar->monitor_started, needed, allowed); | |
1933747f | 1106 | |
500ff9f9 MK |
1107 | if (WARN_ON(needed && !allowed)) { |
1108 | if (ar->monitor_started) { | |
1109 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor stopping disallowed monitor\n"); | |
1110 | ||
1111 | ret = ath10k_monitor_stop(ar); | |
1112 | if (ret) | |
1113 | ath10k_warn(ar, "failed to stop disallowed monitor: %d\n", ret); | |
1114 | /* not serious */ | |
1115 | } | |
1933747f | 1116 | |
500ff9f9 MK |
1117 | return -EPERM; |
1118 | } | |
1933747f | 1119 | |
500ff9f9 | 1120 | if (needed == ar->monitor_started) |
1933747f MK |
1121 | return 0; |
1122 | ||
500ff9f9 | 1123 | if (needed) |
1933747f | 1124 | return ath10k_monitor_start(ar); |
500ff9f9 MK |
1125 | else |
1126 | return ath10k_monitor_stop(ar); | |
1bbc0975 MK |
1127 | } |
1128 | ||
e81bd104 MK |
1129 | static int ath10k_recalc_rtscts_prot(struct ath10k_vif *arvif) |
1130 | { | |
1131 | struct ath10k *ar = arvif->ar; | |
1132 | u32 vdev_param, rts_cts = 0; | |
1133 | ||
1134 | lockdep_assert_held(&ar->conf_mutex); | |
1135 | ||
1136 | vdev_param = ar->wmi.vdev_param->enable_rtscts; | |
1137 | ||
9a5ab0f4 | 1138 | rts_cts |= SM(WMI_RTSCTS_ENABLED, WMI_RTSCTS_SET); |
e81bd104 MK |
1139 | |
1140 | if (arvif->num_legacy_stations > 0) | |
1141 | rts_cts |= SM(WMI_RTSCTS_ACROSS_SW_RETRIES, | |
1142 | WMI_RTSCTS_PROFILE); | |
9a5ab0f4 RM |
1143 | else |
1144 | rts_cts |= SM(WMI_RTSCTS_FOR_SECOND_RATESERIES, | |
1145 | WMI_RTSCTS_PROFILE); | |
e81bd104 MK |
1146 | |
1147 | return ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, | |
1148 | rts_cts); | |
1149 | } | |
1150 | ||
e8a50f8b MP |
1151 | static int ath10k_start_cac(struct ath10k *ar) |
1152 | { | |
1153 | int ret; | |
1154 | ||
1155 | lockdep_assert_held(&ar->conf_mutex); | |
1156 | ||
1157 | set_bit(ATH10K_CAC_RUNNING, &ar->dev_flags); | |
1158 | ||
1933747f | 1159 | ret = ath10k_monitor_recalc(ar); |
e8a50f8b | 1160 | if (ret) { |
7aa7a72a | 1161 | ath10k_warn(ar, "failed to start monitor (cac): %d\n", ret); |
e8a50f8b MP |
1162 | clear_bit(ATH10K_CAC_RUNNING, &ar->dev_flags); |
1163 | return ret; | |
1164 | } | |
1165 | ||
7aa7a72a | 1166 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac cac start monitor vdev %d\n", |
e8a50f8b MP |
1167 | ar->monitor_vdev_id); |
1168 | ||
1169 | return 0; | |
1170 | } | |
1171 | ||
1172 | static int ath10k_stop_cac(struct ath10k *ar) | |
1173 | { | |
1174 | lockdep_assert_held(&ar->conf_mutex); | |
1175 | ||
1176 | /* CAC is not running - do nothing */ | |
1177 | if (!test_bit(ATH10K_CAC_RUNNING, &ar->dev_flags)) | |
1178 | return 0; | |
1179 | ||
e8a50f8b | 1180 | clear_bit(ATH10K_CAC_RUNNING, &ar->dev_flags); |
1bbc0975 | 1181 | ath10k_monitor_stop(ar); |
e8a50f8b | 1182 | |
7aa7a72a | 1183 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac cac finished\n"); |
e8a50f8b MP |
1184 | |
1185 | return 0; | |
1186 | } | |
1187 | ||
500ff9f9 MK |
1188 | static void ath10k_mac_has_radar_iter(struct ieee80211_hw *hw, |
1189 | struct ieee80211_chanctx_conf *conf, | |
1190 | void *data) | |
1191 | { | |
1192 | bool *ret = data; | |
1193 | ||
1194 | if (!*ret && conf->radar_enabled) | |
1195 | *ret = true; | |
1196 | } | |
1197 | ||
1198 | static bool ath10k_mac_has_radar_enabled(struct ath10k *ar) | |
1199 | { | |
1200 | bool has_radar = false; | |
1201 | ||
1202 | ieee80211_iter_chan_contexts_atomic(ar->hw, | |
1203 | ath10k_mac_has_radar_iter, | |
1204 | &has_radar); | |
1205 | ||
1206 | return has_radar; | |
1207 | } | |
1208 | ||
d650097b | 1209 | static void ath10k_recalc_radar_detection(struct ath10k *ar) |
e8a50f8b | 1210 | { |
e8a50f8b MP |
1211 | int ret; |
1212 | ||
1213 | lockdep_assert_held(&ar->conf_mutex); | |
1214 | ||
e8a50f8b MP |
1215 | ath10k_stop_cac(ar); |
1216 | ||
500ff9f9 | 1217 | if (!ath10k_mac_has_radar_enabled(ar)) |
e8a50f8b MP |
1218 | return; |
1219 | ||
d650097b | 1220 | if (ar->num_started_vdevs > 0) |
e8a50f8b MP |
1221 | return; |
1222 | ||
1223 | ret = ath10k_start_cac(ar); | |
1224 | if (ret) { | |
1225 | /* | |
1226 | * Not possible to start CAC on current channel so starting | |
1227 | * radiation is not allowed, make this channel DFS_UNAVAILABLE | |
1228 | * by indicating that radar was detected. | |
1229 | */ | |
7aa7a72a | 1230 | ath10k_warn(ar, "failed to start CAC: %d\n", ret); |
e8a50f8b MP |
1231 | ieee80211_radar_detected(ar->hw); |
1232 | } | |
1233 | } | |
1234 | ||
822b7e0b VT |
1235 | static int ath10k_vdev_stop(struct ath10k_vif *arvif) |
1236 | { | |
1237 | struct ath10k *ar = arvif->ar; | |
1238 | int ret; | |
1239 | ||
1240 | lockdep_assert_held(&ar->conf_mutex); | |
1241 | ||
1242 | reinit_completion(&ar->vdev_setup_done); | |
1243 | ||
1244 | ret = ath10k_wmi_vdev_stop(ar, arvif->vdev_id); | |
1245 | if (ret) { | |
1246 | ath10k_warn(ar, "failed to stop WMI vdev %i: %d\n", | |
1247 | arvif->vdev_id, ret); | |
1248 | return ret; | |
1249 | } | |
1250 | ||
1251 | ret = ath10k_vdev_setup_sync(ar); | |
1252 | if (ret) { | |
1253 | ath10k_warn(ar, "failed to syncronise setup for vdev %i: %d\n", | |
1254 | arvif->vdev_id, ret); | |
1255 | return ret; | |
1256 | } | |
1257 | ||
1258 | WARN_ON(ar->num_started_vdevs == 0); | |
1259 | ||
1260 | if (ar->num_started_vdevs != 0) { | |
1261 | ar->num_started_vdevs--; | |
1262 | ath10k_recalc_radar_detection(ar); | |
1263 | } | |
1264 | ||
1265 | return ret; | |
1266 | } | |
1267 | ||
500ff9f9 MK |
1268 | static int ath10k_vdev_start_restart(struct ath10k_vif *arvif, |
1269 | const struct cfg80211_chan_def *chandef, | |
1270 | bool restart) | |
72654fa7 MK |
1271 | { |
1272 | struct ath10k *ar = arvif->ar; | |
72654fa7 MK |
1273 | struct wmi_vdev_start_request_arg arg = {}; |
1274 | int ret = 0; | |
1275 | ||
1276 | lockdep_assert_held(&ar->conf_mutex); | |
1277 | ||
1278 | reinit_completion(&ar->vdev_setup_done); | |
1279 | ||
1280 | arg.vdev_id = arvif->vdev_id; | |
1281 | arg.dtim_period = arvif->dtim_period; | |
1282 | arg.bcn_intval = arvif->beacon_interval; | |
1283 | ||
1284 | arg.channel.freq = chandef->chan->center_freq; | |
1285 | arg.channel.band_center_freq1 = chandef->center_freq1; | |
1286 | arg.channel.mode = chan_to_phymode(chandef); | |
1287 | ||
1288 | arg.channel.min_power = 0; | |
1289 | arg.channel.max_power = chandef->chan->max_power * 2; | |
1290 | arg.channel.max_reg_power = chandef->chan->max_reg_power * 2; | |
1291 | arg.channel.max_antenna_gain = chandef->chan->max_antenna_gain * 2; | |
1292 | ||
1293 | if (arvif->vdev_type == WMI_VDEV_TYPE_AP) { | |
1294 | arg.ssid = arvif->u.ap.ssid; | |
1295 | arg.ssid_len = arvif->u.ap.ssid_len; | |
1296 | arg.hidden_ssid = arvif->u.ap.hidden_ssid; | |
1297 | ||
1298 | /* For now allow DFS for AP mode */ | |
1299 | arg.channel.chan_radar = | |
1300 | !!(chandef->chan->flags & IEEE80211_CHAN_RADAR); | |
1301 | } else if (arvif->vdev_type == WMI_VDEV_TYPE_IBSS) { | |
1302 | arg.ssid = arvif->vif->bss_conf.ssid; | |
1303 | arg.ssid_len = arvif->vif->bss_conf.ssid_len; | |
1304 | } | |
1305 | ||
7aa7a72a | 1306 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
72654fa7 MK |
1307 | "mac vdev %d start center_freq %d phymode %s\n", |
1308 | arg.vdev_id, arg.channel.freq, | |
1309 | ath10k_wmi_phymode_str(arg.channel.mode)); | |
1310 | ||
dc55e307 MK |
1311 | if (restart) |
1312 | ret = ath10k_wmi_vdev_restart(ar, &arg); | |
1313 | else | |
1314 | ret = ath10k_wmi_vdev_start(ar, &arg); | |
1315 | ||
72654fa7 | 1316 | if (ret) { |
7aa7a72a | 1317 | ath10k_warn(ar, "failed to start WMI vdev %i: %d\n", |
72654fa7 MK |
1318 | arg.vdev_id, ret); |
1319 | return ret; | |
1320 | } | |
1321 | ||
1322 | ret = ath10k_vdev_setup_sync(ar); | |
1323 | if (ret) { | |
60028a81 BG |
1324 | ath10k_warn(ar, |
1325 | "failed to synchronize setup for vdev %i restart %d: %d\n", | |
1326 | arg.vdev_id, restart, ret); | |
72654fa7 MK |
1327 | return ret; |
1328 | } | |
1329 | ||
d650097b MK |
1330 | ar->num_started_vdevs++; |
1331 | ath10k_recalc_radar_detection(ar); | |
1332 | ||
72654fa7 MK |
1333 | return ret; |
1334 | } | |
1335 | ||
500ff9f9 MK |
1336 | static int ath10k_vdev_start(struct ath10k_vif *arvif, |
1337 | const struct cfg80211_chan_def *def) | |
dc55e307 | 1338 | { |
500ff9f9 | 1339 | return ath10k_vdev_start_restart(arvif, def, false); |
dc55e307 MK |
1340 | } |
1341 | ||
500ff9f9 MK |
1342 | static int ath10k_vdev_restart(struct ath10k_vif *arvif, |
1343 | const struct cfg80211_chan_def *def) | |
72654fa7 | 1344 | { |
500ff9f9 | 1345 | return ath10k_vdev_start_restart(arvif, def, true); |
72654fa7 MK |
1346 | } |
1347 | ||
fbb8f1b7 MK |
1348 | static int ath10k_mac_setup_bcn_p2p_ie(struct ath10k_vif *arvif, |
1349 | struct sk_buff *bcn) | |
1350 | { | |
1351 | struct ath10k *ar = arvif->ar; | |
1352 | struct ieee80211_mgmt *mgmt; | |
1353 | const u8 *p2p_ie; | |
1354 | int ret; | |
1355 | ||
1356 | if (arvif->vdev_type != WMI_VDEV_TYPE_AP) | |
1357 | return 0; | |
1358 | ||
1359 | if (arvif->vdev_subtype != WMI_VDEV_SUBTYPE_P2P_GO) | |
1360 | return 0; | |
1361 | ||
1362 | mgmt = (void *)bcn->data; | |
1363 | p2p_ie = cfg80211_find_vendor_ie(WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P, | |
1364 | mgmt->u.beacon.variable, | |
1365 | bcn->len - (mgmt->u.beacon.variable - | |
1366 | bcn->data)); | |
1367 | if (!p2p_ie) | |
1368 | return -ENOENT; | |
1369 | ||
1370 | ret = ath10k_wmi_p2p_go_bcn_ie(ar, arvif->vdev_id, p2p_ie); | |
1371 | if (ret) { | |
1372 | ath10k_warn(ar, "failed to submit p2p go bcn ie for vdev %i: %d\n", | |
1373 | arvif->vdev_id, ret); | |
1374 | return ret; | |
1375 | } | |
1376 | ||
1377 | return 0; | |
1378 | } | |
1379 | ||
1380 | static int ath10k_mac_remove_vendor_ie(struct sk_buff *skb, unsigned int oui, | |
1381 | u8 oui_type, size_t ie_offset) | |
1382 | { | |
1383 | size_t len; | |
1384 | const u8 *next; | |
1385 | const u8 *end; | |
1386 | u8 *ie; | |
1387 | ||
1388 | if (WARN_ON(skb->len < ie_offset)) | |
1389 | return -EINVAL; | |
1390 | ||
1391 | ie = (u8 *)cfg80211_find_vendor_ie(oui, oui_type, | |
1392 | skb->data + ie_offset, | |
1393 | skb->len - ie_offset); | |
1394 | if (!ie) | |
1395 | return -ENOENT; | |
1396 | ||
1397 | len = ie[1] + 2; | |
1398 | end = skb->data + skb->len; | |
1399 | next = ie + len; | |
1400 | ||
1401 | if (WARN_ON(next > end)) | |
1402 | return -EINVAL; | |
1403 | ||
1404 | memmove(ie, next, end - next); | |
1405 | skb_trim(skb, skb->len - len); | |
1406 | ||
1407 | return 0; | |
1408 | } | |
1409 | ||
1410 | static int ath10k_mac_setup_bcn_tmpl(struct ath10k_vif *arvif) | |
1411 | { | |
1412 | struct ath10k *ar = arvif->ar; | |
1413 | struct ieee80211_hw *hw = ar->hw; | |
1414 | struct ieee80211_vif *vif = arvif->vif; | |
1415 | struct ieee80211_mutable_offsets offs = {}; | |
1416 | struct sk_buff *bcn; | |
1417 | int ret; | |
1418 | ||
1419 | if (!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map)) | |
1420 | return 0; | |
1421 | ||
81a9a17d MK |
1422 | if (arvif->vdev_type != WMI_VDEV_TYPE_AP && |
1423 | arvif->vdev_type != WMI_VDEV_TYPE_IBSS) | |
1424 | return 0; | |
1425 | ||
fbb8f1b7 MK |
1426 | bcn = ieee80211_beacon_get_template(hw, vif, &offs); |
1427 | if (!bcn) { | |
1428 | ath10k_warn(ar, "failed to get beacon template from mac80211\n"); | |
1429 | return -EPERM; | |
1430 | } | |
1431 | ||
1432 | ret = ath10k_mac_setup_bcn_p2p_ie(arvif, bcn); | |
1433 | if (ret) { | |
1434 | ath10k_warn(ar, "failed to setup p2p go bcn ie: %d\n", ret); | |
1435 | kfree_skb(bcn); | |
1436 | return ret; | |
1437 | } | |
1438 | ||
1439 | /* P2P IE is inserted by firmware automatically (as configured above) | |
1440 | * so remove it from the base beacon template to avoid duplicate P2P | |
1441 | * IEs in beacon frames. | |
1442 | */ | |
1443 | ath10k_mac_remove_vendor_ie(bcn, WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P, | |
1444 | offsetof(struct ieee80211_mgmt, | |
1445 | u.beacon.variable)); | |
1446 | ||
1447 | ret = ath10k_wmi_bcn_tmpl(ar, arvif->vdev_id, offs.tim_offset, bcn, 0, | |
1448 | 0, NULL, 0); | |
1449 | kfree_skb(bcn); | |
1450 | ||
1451 | if (ret) { | |
1452 | ath10k_warn(ar, "failed to submit beacon template command: %d\n", | |
1453 | ret); | |
1454 | return ret; | |
1455 | } | |
1456 | ||
1457 | return 0; | |
1458 | } | |
1459 | ||
1460 | static int ath10k_mac_setup_prb_tmpl(struct ath10k_vif *arvif) | |
1461 | { | |
1462 | struct ath10k *ar = arvif->ar; | |
1463 | struct ieee80211_hw *hw = ar->hw; | |
1464 | struct ieee80211_vif *vif = arvif->vif; | |
1465 | struct sk_buff *prb; | |
1466 | int ret; | |
1467 | ||
1468 | if (!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map)) | |
1469 | return 0; | |
1470 | ||
81a9a17d MK |
1471 | if (arvif->vdev_type != WMI_VDEV_TYPE_AP) |
1472 | return 0; | |
1473 | ||
fbb8f1b7 MK |
1474 | prb = ieee80211_proberesp_get(hw, vif); |
1475 | if (!prb) { | |
1476 | ath10k_warn(ar, "failed to get probe resp template from mac80211\n"); | |
1477 | return -EPERM; | |
1478 | } | |
1479 | ||
1480 | ret = ath10k_wmi_prb_tmpl(ar, arvif->vdev_id, prb); | |
1481 | kfree_skb(prb); | |
1482 | ||
1483 | if (ret) { | |
1484 | ath10k_warn(ar, "failed to submit probe resp template command: %d\n", | |
1485 | ret); | |
1486 | return ret; | |
1487 | } | |
1488 | ||
1489 | return 0; | |
1490 | } | |
1491 | ||
500ff9f9 MK |
1492 | static int ath10k_mac_vif_fix_hidden_ssid(struct ath10k_vif *arvif) |
1493 | { | |
1494 | struct ath10k *ar = arvif->ar; | |
1495 | struct cfg80211_chan_def def; | |
1496 | int ret; | |
1497 | ||
1498 | /* When originally vdev is started during assign_vif_chanctx() some | |
1499 | * information is missing, notably SSID. Firmware revisions with beacon | |
1500 | * offloading require the SSID to be provided during vdev (re)start to | |
1501 | * handle hidden SSID properly. | |
1502 | * | |
1503 | * Vdev restart must be done after vdev has been both started and | |
1504 | * upped. Otherwise some firmware revisions (at least 10.2) fail to | |
1505 | * deliver vdev restart response event causing timeouts during vdev | |
1506 | * syncing in ath10k. | |
1507 | * | |
1508 | * Note: The vdev down/up and template reinstallation could be skipped | |
1509 | * since only wmi-tlv firmware are known to have beacon offload and | |
1510 | * wmi-tlv doesn't seem to misbehave like 10.2 wrt vdev restart | |
1511 | * response delivery. It's probably more robust to keep it as is. | |
1512 | */ | |
1513 | if (!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map)) | |
1514 | return 0; | |
1515 | ||
1516 | if (WARN_ON(!arvif->is_started)) | |
1517 | return -EINVAL; | |
1518 | ||
1519 | if (WARN_ON(!arvif->is_up)) | |
1520 | return -EINVAL; | |
1521 | ||
1522 | if (WARN_ON(ath10k_mac_vif_chan(arvif->vif, &def))) | |
1523 | return -EINVAL; | |
1524 | ||
1525 | ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id); | |
1526 | if (ret) { | |
1527 | ath10k_warn(ar, "failed to bring down ap vdev %i: %d\n", | |
1528 | arvif->vdev_id, ret); | |
1529 | return ret; | |
1530 | } | |
1531 | ||
1532 | /* Vdev down reset beacon & presp templates. Reinstall them. Otherwise | |
1533 | * firmware will crash upon vdev up. | |
1534 | */ | |
1535 | ||
1536 | ret = ath10k_mac_setup_bcn_tmpl(arvif); | |
1537 | if (ret) { | |
1538 | ath10k_warn(ar, "failed to update beacon template: %d\n", ret); | |
1539 | return ret; | |
1540 | } | |
1541 | ||
1542 | ret = ath10k_mac_setup_prb_tmpl(arvif); | |
1543 | if (ret) { | |
1544 | ath10k_warn(ar, "failed to update presp template: %d\n", ret); | |
1545 | return ret; | |
1546 | } | |
1547 | ||
1548 | ret = ath10k_vdev_restart(arvif, &def); | |
1549 | if (ret) { | |
1550 | ath10k_warn(ar, "failed to restart ap vdev %i: %d\n", | |
1551 | arvif->vdev_id, ret); | |
1552 | return ret; | |
1553 | } | |
1554 | ||
1555 | ret = ath10k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid, | |
1556 | arvif->bssid); | |
1557 | if (ret) { | |
1558 | ath10k_warn(ar, "failed to bring up ap vdev %i: %d\n", | |
1559 | arvif->vdev_id, ret); | |
1560 | return ret; | |
1561 | } | |
1562 | ||
1563 | return 0; | |
1564 | } | |
1565 | ||
5e3dd157 | 1566 | static void ath10k_control_beaconing(struct ath10k_vif *arvif, |
5b07e07f | 1567 | struct ieee80211_bss_conf *info) |
5e3dd157 | 1568 | { |
7aa7a72a | 1569 | struct ath10k *ar = arvif->ar; |
5e3dd157 KV |
1570 | int ret = 0; |
1571 | ||
548db54c MK |
1572 | lockdep_assert_held(&arvif->ar->conf_mutex); |
1573 | ||
5e3dd157 | 1574 | if (!info->enable_beacon) { |
500ff9f9 MK |
1575 | ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id); |
1576 | if (ret) | |
1577 | ath10k_warn(ar, "failed to down vdev_id %i: %d\n", | |
1578 | arvif->vdev_id, ret); | |
c930f744 | 1579 | |
c930f744 MK |
1580 | arvif->is_up = false; |
1581 | ||
748afc47 | 1582 | spin_lock_bh(&arvif->ar->data_lock); |
64badcb6 | 1583 | ath10k_mac_vif_beacon_free(arvif); |
748afc47 MK |
1584 | spin_unlock_bh(&arvif->ar->data_lock); |
1585 | ||
5e3dd157 KV |
1586 | return; |
1587 | } | |
1588 | ||
1589 | arvif->tx_seq_no = 0x1000; | |
1590 | ||
c930f744 | 1591 | arvif->aid = 0; |
b25f32cb | 1592 | ether_addr_copy(arvif->bssid, info->bssid); |
c930f744 MK |
1593 | |
1594 | ret = ath10k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid, | |
1595 | arvif->bssid); | |
5e3dd157 | 1596 | if (ret) { |
7aa7a72a | 1597 | ath10k_warn(ar, "failed to bring up vdev %d: %i\n", |
69244e56 | 1598 | arvif->vdev_id, ret); |
5e3dd157 KV |
1599 | return; |
1600 | } | |
c930f744 | 1601 | |
c930f744 MK |
1602 | arvif->is_up = true; |
1603 | ||
500ff9f9 MK |
1604 | ret = ath10k_mac_vif_fix_hidden_ssid(arvif); |
1605 | if (ret) { | |
1606 | ath10k_warn(ar, "failed to fix hidden ssid for vdev %i, expect trouble: %d\n", | |
1607 | arvif->vdev_id, ret); | |
1608 | return; | |
1609 | } | |
1610 | ||
7aa7a72a | 1611 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d up\n", arvif->vdev_id); |
5e3dd157 KV |
1612 | } |
1613 | ||
1614 | static void ath10k_control_ibss(struct ath10k_vif *arvif, | |
1615 | struct ieee80211_bss_conf *info, | |
1616 | const u8 self_peer[ETH_ALEN]) | |
1617 | { | |
7aa7a72a | 1618 | struct ath10k *ar = arvif->ar; |
6d1506e7 | 1619 | u32 vdev_param; |
5e3dd157 KV |
1620 | int ret = 0; |
1621 | ||
548db54c MK |
1622 | lockdep_assert_held(&arvif->ar->conf_mutex); |
1623 | ||
5e3dd157 | 1624 | if (!info->ibss_joined) { |
c930f744 | 1625 | if (is_zero_ether_addr(arvif->bssid)) |
5e3dd157 KV |
1626 | return; |
1627 | ||
93803b33 | 1628 | eth_zero_addr(arvif->bssid); |
5e3dd157 KV |
1629 | |
1630 | return; | |
1631 | } | |
1632 | ||
6d1506e7 BM |
1633 | vdev_param = arvif->ar->wmi.vdev_param->atim_window; |
1634 | ret = ath10k_wmi_vdev_set_param(arvif->ar, arvif->vdev_id, vdev_param, | |
5e3dd157 KV |
1635 | ATH10K_DEFAULT_ATIM); |
1636 | if (ret) | |
7aa7a72a | 1637 | ath10k_warn(ar, "failed to set IBSS ATIM for vdev %d: %d\n", |
5e3dd157 KV |
1638 | arvif->vdev_id, ret); |
1639 | } | |
1640 | ||
9f9b5746 MK |
1641 | static int ath10k_mac_vif_recalc_ps_wake_threshold(struct ath10k_vif *arvif) |
1642 | { | |
1643 | struct ath10k *ar = arvif->ar; | |
1644 | u32 param; | |
1645 | u32 value; | |
1646 | int ret; | |
1647 | ||
1648 | lockdep_assert_held(&arvif->ar->conf_mutex); | |
1649 | ||
1650 | if (arvif->u.sta.uapsd) | |
1651 | value = WMI_STA_PS_TX_WAKE_THRESHOLD_NEVER; | |
1652 | else | |
1653 | value = WMI_STA_PS_TX_WAKE_THRESHOLD_ALWAYS; | |
1654 | ||
1655 | param = WMI_STA_PS_PARAM_TX_WAKE_THRESHOLD; | |
1656 | ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, param, value); | |
1657 | if (ret) { | |
1658 | ath10k_warn(ar, "failed to submit ps wake threshold %u on vdev %i: %d\n", | |
1659 | value, arvif->vdev_id, ret); | |
1660 | return ret; | |
1661 | } | |
1662 | ||
1663 | return 0; | |
1664 | } | |
1665 | ||
1666 | static int ath10k_mac_vif_recalc_ps_poll_count(struct ath10k_vif *arvif) | |
1667 | { | |
1668 | struct ath10k *ar = arvif->ar; | |
1669 | u32 param; | |
1670 | u32 value; | |
1671 | int ret; | |
1672 | ||
1673 | lockdep_assert_held(&arvif->ar->conf_mutex); | |
1674 | ||
1675 | if (arvif->u.sta.uapsd) | |
1676 | value = WMI_STA_PS_PSPOLL_COUNT_UAPSD; | |
1677 | else | |
1678 | value = WMI_STA_PS_PSPOLL_COUNT_NO_MAX; | |
1679 | ||
1680 | param = WMI_STA_PS_PARAM_PSPOLL_COUNT; | |
1681 | ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, | |
1682 | param, value); | |
1683 | if (ret) { | |
1684 | ath10k_warn(ar, "failed to submit ps poll count %u on vdev %i: %d\n", | |
1685 | value, arvif->vdev_id, ret); | |
1686 | return ret; | |
1687 | } | |
1688 | ||
1689 | return 0; | |
1690 | } | |
1691 | ||
424f2630 | 1692 | static int ath10k_mac_num_vifs_started(struct ath10k *ar) |
cffb41f3 MK |
1693 | { |
1694 | struct ath10k_vif *arvif; | |
1695 | int num = 0; | |
1696 | ||
1697 | lockdep_assert_held(&ar->conf_mutex); | |
1698 | ||
1699 | list_for_each_entry(arvif, &ar->arvifs, list) | |
424f2630 | 1700 | if (arvif->is_started) |
cffb41f3 MK |
1701 | num++; |
1702 | ||
1703 | return num; | |
1704 | } | |
1705 | ||
ad088bfa | 1706 | static int ath10k_mac_vif_setup_ps(struct ath10k_vif *arvif) |
5e3dd157 | 1707 | { |
ad088bfa | 1708 | struct ath10k *ar = arvif->ar; |
526549a8 | 1709 | struct ieee80211_vif *vif = arvif->vif; |
ad088bfa | 1710 | struct ieee80211_conf *conf = &ar->hw->conf; |
5e3dd157 KV |
1711 | enum wmi_sta_powersave_param param; |
1712 | enum wmi_sta_ps_mode psmode; | |
1713 | int ret; | |
526549a8 | 1714 | int ps_timeout; |
cffb41f3 | 1715 | bool enable_ps; |
5e3dd157 | 1716 | |
548db54c MK |
1717 | lockdep_assert_held(&arvif->ar->conf_mutex); |
1718 | ||
ad088bfa MK |
1719 | if (arvif->vif->type != NL80211_IFTYPE_STATION) |
1720 | return 0; | |
5e3dd157 | 1721 | |
cffb41f3 MK |
1722 | enable_ps = arvif->ps; |
1723 | ||
424f2630 | 1724 | if (enable_ps && ath10k_mac_num_vifs_started(ar) > 1 && |
cffb41f3 MK |
1725 | !test_bit(ATH10K_FW_FEATURE_MULTI_VIF_PS_SUPPORT, |
1726 | ar->fw_features)) { | |
1727 | ath10k_warn(ar, "refusing to enable ps on vdev %i: not supported by fw\n", | |
1728 | arvif->vdev_id); | |
1729 | enable_ps = false; | |
1730 | } | |
1731 | ||
917826be JD |
1732 | if (!arvif->is_started) { |
1733 | /* mac80211 can update vif powersave state while disconnected. | |
1734 | * Firmware doesn't behave nicely and consumes more power than | |
1735 | * necessary if PS is disabled on a non-started vdev. Hence | |
1736 | * force-enable PS for non-running vdevs. | |
1737 | */ | |
1738 | psmode = WMI_STA_PS_MODE_ENABLED; | |
1739 | } else if (enable_ps) { | |
5e3dd157 KV |
1740 | psmode = WMI_STA_PS_MODE_ENABLED; |
1741 | param = WMI_STA_PS_PARAM_INACTIVITY_TIME; | |
1742 | ||
526549a8 MK |
1743 | ps_timeout = conf->dynamic_ps_timeout; |
1744 | if (ps_timeout == 0) { | |
1745 | /* Firmware doesn't like 0 */ | |
1746 | ps_timeout = ieee80211_tu_to_usec( | |
1747 | vif->bss_conf.beacon_int) / 1000; | |
1748 | } | |
1749 | ||
ad088bfa | 1750 | ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, param, |
526549a8 | 1751 | ps_timeout); |
5e3dd157 | 1752 | if (ret) { |
7aa7a72a | 1753 | ath10k_warn(ar, "failed to set inactivity time for vdev %d: %i\n", |
69244e56 | 1754 | arvif->vdev_id, ret); |
ad088bfa | 1755 | return ret; |
5e3dd157 | 1756 | } |
5e3dd157 KV |
1757 | } else { |
1758 | psmode = WMI_STA_PS_MODE_DISABLED; | |
1759 | } | |
1760 | ||
7aa7a72a | 1761 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d psmode %s\n", |
60c3daa8 KV |
1762 | arvif->vdev_id, psmode ? "enable" : "disable"); |
1763 | ||
ad088bfa MK |
1764 | ret = ath10k_wmi_set_psmode(ar, arvif->vdev_id, psmode); |
1765 | if (ret) { | |
7aa7a72a | 1766 | ath10k_warn(ar, "failed to set PS Mode %d for vdev %d: %d\n", |
be6546fc | 1767 | psmode, arvif->vdev_id, ret); |
ad088bfa MK |
1768 | return ret; |
1769 | } | |
1770 | ||
1771 | return 0; | |
5e3dd157 KV |
1772 | } |
1773 | ||
46725b15 MK |
1774 | static int ath10k_mac_vif_disable_keepalive(struct ath10k_vif *arvif) |
1775 | { | |
1776 | struct ath10k *ar = arvif->ar; | |
1777 | struct wmi_sta_keepalive_arg arg = {}; | |
1778 | int ret; | |
1779 | ||
1780 | lockdep_assert_held(&arvif->ar->conf_mutex); | |
1781 | ||
1782 | if (arvif->vdev_type != WMI_VDEV_TYPE_STA) | |
1783 | return 0; | |
1784 | ||
1785 | if (!test_bit(WMI_SERVICE_STA_KEEP_ALIVE, ar->wmi.svc_map)) | |
1786 | return 0; | |
1787 | ||
1788 | /* Some firmware revisions have a bug and ignore the `enabled` field. | |
1789 | * Instead use the interval to disable the keepalive. | |
1790 | */ | |
1791 | arg.vdev_id = arvif->vdev_id; | |
1792 | arg.enabled = 1; | |
1793 | arg.method = WMI_STA_KEEPALIVE_METHOD_NULL_FRAME; | |
1794 | arg.interval = WMI_STA_KEEPALIVE_INTERVAL_DISABLE; | |
1795 | ||
1796 | ret = ath10k_wmi_sta_keepalive(ar, &arg); | |
1797 | if (ret) { | |
1798 | ath10k_warn(ar, "failed to submit keepalive on vdev %i: %d\n", | |
1799 | arvif->vdev_id, ret); | |
1800 | return ret; | |
1801 | } | |
1802 | ||
1803 | return 0; | |
1804 | } | |
1805 | ||
81a9a17d MK |
1806 | static void ath10k_mac_vif_ap_csa_count_down(struct ath10k_vif *arvif) |
1807 | { | |
1808 | struct ath10k *ar = arvif->ar; | |
1809 | struct ieee80211_vif *vif = arvif->vif; | |
1810 | int ret; | |
1811 | ||
8513d95b MK |
1812 | lockdep_assert_held(&arvif->ar->conf_mutex); |
1813 | ||
1814 | if (WARN_ON(!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map))) | |
1815 | return; | |
1816 | ||
81a9a17d MK |
1817 | if (arvif->vdev_type != WMI_VDEV_TYPE_AP) |
1818 | return; | |
1819 | ||
1820 | if (!vif->csa_active) | |
1821 | return; | |
1822 | ||
1823 | if (!arvif->is_up) | |
1824 | return; | |
1825 | ||
1826 | if (!ieee80211_csa_is_complete(vif)) { | |
1827 | ieee80211_csa_update_counter(vif); | |
1828 | ||
1829 | ret = ath10k_mac_setup_bcn_tmpl(arvif); | |
1830 | if (ret) | |
1831 | ath10k_warn(ar, "failed to update bcn tmpl during csa: %d\n", | |
1832 | ret); | |
1833 | ||
1834 | ret = ath10k_mac_setup_prb_tmpl(arvif); | |
1835 | if (ret) | |
1836 | ath10k_warn(ar, "failed to update prb tmpl during csa: %d\n", | |
1837 | ret); | |
1838 | } else { | |
1839 | ieee80211_csa_finish(vif); | |
1840 | } | |
1841 | } | |
1842 | ||
1843 | static void ath10k_mac_vif_ap_csa_work(struct work_struct *work) | |
1844 | { | |
1845 | struct ath10k_vif *arvif = container_of(work, struct ath10k_vif, | |
1846 | ap_csa_work); | |
1847 | struct ath10k *ar = arvif->ar; | |
1848 | ||
1849 | mutex_lock(&ar->conf_mutex); | |
1850 | ath10k_mac_vif_ap_csa_count_down(arvif); | |
1851 | mutex_unlock(&ar->conf_mutex); | |
1852 | } | |
1853 | ||
cc9904e6 MK |
1854 | static void ath10k_mac_handle_beacon_iter(void *data, u8 *mac, |
1855 | struct ieee80211_vif *vif) | |
1856 | { | |
1857 | struct sk_buff *skb = data; | |
1858 | struct ieee80211_mgmt *mgmt = (void *)skb->data; | |
1859 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
1860 | ||
1861 | if (vif->type != NL80211_IFTYPE_STATION) | |
1862 | return; | |
1863 | ||
1864 | if (!ether_addr_equal(mgmt->bssid, vif->bss_conf.bssid)) | |
1865 | return; | |
1866 | ||
1867 | cancel_delayed_work(&arvif->connection_loss_work); | |
1868 | } | |
1869 | ||
1870 | void ath10k_mac_handle_beacon(struct ath10k *ar, struct sk_buff *skb) | |
1871 | { | |
1872 | ieee80211_iterate_active_interfaces_atomic(ar->hw, | |
1873 | IEEE80211_IFACE_ITER_NORMAL, | |
1874 | ath10k_mac_handle_beacon_iter, | |
1875 | skb); | |
1876 | } | |
1877 | ||
1878 | static void ath10k_mac_handle_beacon_miss_iter(void *data, u8 *mac, | |
1879 | struct ieee80211_vif *vif) | |
1880 | { | |
1881 | u32 *vdev_id = data; | |
1882 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
1883 | struct ath10k *ar = arvif->ar; | |
1884 | struct ieee80211_hw *hw = ar->hw; | |
1885 | ||
1886 | if (arvif->vdev_id != *vdev_id) | |
1887 | return; | |
1888 | ||
1889 | if (!arvif->is_up) | |
1890 | return; | |
1891 | ||
1892 | ieee80211_beacon_loss(vif); | |
1893 | ||
1894 | /* Firmware doesn't report beacon loss events repeatedly. If AP probe | |
1895 | * (done by mac80211) succeeds but beacons do not resume then it | |
1896 | * doesn't make sense to continue operation. Queue connection loss work | |
1897 | * which can be cancelled when beacon is received. | |
1898 | */ | |
1899 | ieee80211_queue_delayed_work(hw, &arvif->connection_loss_work, | |
1900 | ATH10K_CONNECTION_LOSS_HZ); | |
1901 | } | |
1902 | ||
1903 | void ath10k_mac_handle_beacon_miss(struct ath10k *ar, u32 vdev_id) | |
1904 | { | |
1905 | ieee80211_iterate_active_interfaces_atomic(ar->hw, | |
1906 | IEEE80211_IFACE_ITER_NORMAL, | |
1907 | ath10k_mac_handle_beacon_miss_iter, | |
1908 | &vdev_id); | |
1909 | } | |
1910 | ||
1911 | static void ath10k_mac_vif_sta_connection_loss_work(struct work_struct *work) | |
1912 | { | |
1913 | struct ath10k_vif *arvif = container_of(work, struct ath10k_vif, | |
1914 | connection_loss_work.work); | |
1915 | struct ieee80211_vif *vif = arvif->vif; | |
1916 | ||
1917 | if (!arvif->is_up) | |
1918 | return; | |
1919 | ||
1920 | ieee80211_connection_loss(vif); | |
1921 | } | |
1922 | ||
5e3dd157 KV |
1923 | /**********************/ |
1924 | /* Station management */ | |
1925 | /**********************/ | |
1926 | ||
590922a8 MK |
1927 | static u32 ath10k_peer_assoc_h_listen_intval(struct ath10k *ar, |
1928 | struct ieee80211_vif *vif) | |
1929 | { | |
1930 | /* Some firmware revisions have unstable STA powersave when listen | |
1931 | * interval is set too high (e.g. 5). The symptoms are firmware doesn't | |
1932 | * generate NullFunc frames properly even if buffered frames have been | |
1933 | * indicated in Beacon TIM. Firmware would seldom wake up to pull | |
1934 | * buffered frames. Often pinging the device from AP would simply fail. | |
1935 | * | |
1936 | * As a workaround set it to 1. | |
1937 | */ | |
1938 | if (vif->type == NL80211_IFTYPE_STATION) | |
1939 | return 1; | |
1940 | ||
1941 | return ar->hw->conf.listen_interval; | |
1942 | } | |
1943 | ||
5e3dd157 | 1944 | static void ath10k_peer_assoc_h_basic(struct ath10k *ar, |
590922a8 | 1945 | struct ieee80211_vif *vif, |
5e3dd157 | 1946 | struct ieee80211_sta *sta, |
5e3dd157 KV |
1947 | struct wmi_peer_assoc_complete_arg *arg) |
1948 | { | |
590922a8 | 1949 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); |
c51880ea | 1950 | u32 aid; |
590922a8 | 1951 | |
548db54c MK |
1952 | lockdep_assert_held(&ar->conf_mutex); |
1953 | ||
c51880ea MK |
1954 | if (vif->type == NL80211_IFTYPE_STATION) |
1955 | aid = vif->bss_conf.aid; | |
1956 | else | |
1957 | aid = sta->aid; | |
1958 | ||
b25f32cb | 1959 | ether_addr_copy(arg->addr, sta->addr); |
5e3dd157 | 1960 | arg->vdev_id = arvif->vdev_id; |
c51880ea | 1961 | arg->peer_aid = aid; |
5e3dd157 | 1962 | arg->peer_flags |= WMI_PEER_AUTH; |
590922a8 | 1963 | arg->peer_listen_intval = ath10k_peer_assoc_h_listen_intval(ar, vif); |
5e3dd157 | 1964 | arg->peer_num_spatial_streams = 1; |
590922a8 | 1965 | arg->peer_caps = vif->bss_conf.assoc_capability; |
5e3dd157 KV |
1966 | } |
1967 | ||
1968 | static void ath10k_peer_assoc_h_crypto(struct ath10k *ar, | |
590922a8 | 1969 | struct ieee80211_vif *vif, |
5e3dd157 KV |
1970 | struct wmi_peer_assoc_complete_arg *arg) |
1971 | { | |
5e3dd157 | 1972 | struct ieee80211_bss_conf *info = &vif->bss_conf; |
500ff9f9 | 1973 | struct cfg80211_chan_def def; |
5e3dd157 KV |
1974 | struct cfg80211_bss *bss; |
1975 | const u8 *rsnie = NULL; | |
1976 | const u8 *wpaie = NULL; | |
1977 | ||
548db54c MK |
1978 | lockdep_assert_held(&ar->conf_mutex); |
1979 | ||
500ff9f9 MK |
1980 | if (WARN_ON(ath10k_mac_vif_chan(vif, &def))) |
1981 | return; | |
1982 | ||
1983 | bss = cfg80211_get_bss(ar->hw->wiphy, def.chan, info->bssid, NULL, 0, | |
1984 | IEEE80211_BSS_TYPE_ANY, IEEE80211_PRIVACY_ANY); | |
5e3dd157 KV |
1985 | if (bss) { |
1986 | const struct cfg80211_bss_ies *ies; | |
1987 | ||
1988 | rcu_read_lock(); | |
1989 | rsnie = ieee80211_bss_get_ie(bss, WLAN_EID_RSN); | |
1990 | ||
1991 | ies = rcu_dereference(bss->ies); | |
1992 | ||
1993 | wpaie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT, | |
5b07e07f KV |
1994 | WLAN_OUI_TYPE_MICROSOFT_WPA, |
1995 | ies->data, | |
1996 | ies->len); | |
5e3dd157 KV |
1997 | rcu_read_unlock(); |
1998 | cfg80211_put_bss(ar->hw->wiphy, bss); | |
1999 | } | |
2000 | ||
2001 | /* FIXME: base on RSN IE/WPA IE is a correct idea? */ | |
2002 | if (rsnie || wpaie) { | |
7aa7a72a | 2003 | ath10k_dbg(ar, ATH10K_DBG_WMI, "%s: rsn ie found\n", __func__); |
5e3dd157 KV |
2004 | arg->peer_flags |= WMI_PEER_NEED_PTK_4_WAY; |
2005 | } | |
2006 | ||
2007 | if (wpaie) { | |
7aa7a72a | 2008 | ath10k_dbg(ar, ATH10K_DBG_WMI, "%s: wpa ie found\n", __func__); |
5e3dd157 KV |
2009 | arg->peer_flags |= WMI_PEER_NEED_GTK_2_WAY; |
2010 | } | |
2011 | } | |
2012 | ||
2013 | static void ath10k_peer_assoc_h_rates(struct ath10k *ar, | |
500ff9f9 | 2014 | struct ieee80211_vif *vif, |
5e3dd157 KV |
2015 | struct ieee80211_sta *sta, |
2016 | struct wmi_peer_assoc_complete_arg *arg) | |
2017 | { | |
45c9abc0 | 2018 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); |
5e3dd157 | 2019 | struct wmi_rate_set_arg *rateset = &arg->peer_legacy_rates; |
500ff9f9 | 2020 | struct cfg80211_chan_def def; |
5e3dd157 KV |
2021 | const struct ieee80211_supported_band *sband; |
2022 | const struct ieee80211_rate *rates; | |
45c9abc0 | 2023 | enum ieee80211_band band; |
5e3dd157 | 2024 | u32 ratemask; |
486017cc | 2025 | u8 rate; |
5e3dd157 KV |
2026 | int i; |
2027 | ||
548db54c MK |
2028 | lockdep_assert_held(&ar->conf_mutex); |
2029 | ||
500ff9f9 MK |
2030 | if (WARN_ON(ath10k_mac_vif_chan(vif, &def))) |
2031 | return; | |
2032 | ||
45c9abc0 MK |
2033 | band = def.chan->band; |
2034 | sband = ar->hw->wiphy->bands[band]; | |
2035 | ratemask = sta->supp_rates[band]; | |
2036 | ratemask &= arvif->bitrate_mask.control[band].legacy; | |
5e3dd157 KV |
2037 | rates = sband->bitrates; |
2038 | ||
2039 | rateset->num_rates = 0; | |
2040 | ||
2041 | for (i = 0; i < 32; i++, ratemask >>= 1, rates++) { | |
2042 | if (!(ratemask & 1)) | |
2043 | continue; | |
2044 | ||
486017cc MK |
2045 | rate = ath10k_mac_bitrate_to_rate(rates->bitrate); |
2046 | rateset->rates[rateset->num_rates] = rate; | |
5e3dd157 KV |
2047 | rateset->num_rates++; |
2048 | } | |
2049 | } | |
2050 | ||
45c9abc0 MK |
2051 | static bool |
2052 | ath10k_peer_assoc_h_ht_masked(const u8 ht_mcs_mask[IEEE80211_HT_MCS_MASK_LEN]) | |
2053 | { | |
2054 | int nss; | |
2055 | ||
2056 | for (nss = 0; nss < IEEE80211_HT_MCS_MASK_LEN; nss++) | |
2057 | if (ht_mcs_mask[nss]) | |
2058 | return false; | |
2059 | ||
2060 | return true; | |
2061 | } | |
2062 | ||
2063 | static bool | |
2064 | ath10k_peer_assoc_h_vht_masked(const u16 vht_mcs_mask[NL80211_VHT_NSS_MAX]) | |
2065 | { | |
2066 | int nss; | |
2067 | ||
2068 | for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) | |
2069 | if (vht_mcs_mask[nss]) | |
2070 | return false; | |
2071 | ||
2072 | return true; | |
2073 | } | |
2074 | ||
5e3dd157 | 2075 | static void ath10k_peer_assoc_h_ht(struct ath10k *ar, |
45c9abc0 | 2076 | struct ieee80211_vif *vif, |
5e3dd157 KV |
2077 | struct ieee80211_sta *sta, |
2078 | struct wmi_peer_assoc_complete_arg *arg) | |
2079 | { | |
2080 | const struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap; | |
45c9abc0 MK |
2081 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); |
2082 | struct cfg80211_chan_def def; | |
2083 | enum ieee80211_band band; | |
2084 | const u8 *ht_mcs_mask; | |
2085 | const u16 *vht_mcs_mask; | |
2086 | int i, n, max_nss; | |
af762c0b | 2087 | u32 stbc; |
5e3dd157 | 2088 | |
548db54c MK |
2089 | lockdep_assert_held(&ar->conf_mutex); |
2090 | ||
45c9abc0 MK |
2091 | if (WARN_ON(ath10k_mac_vif_chan(vif, &def))) |
2092 | return; | |
2093 | ||
5e3dd157 KV |
2094 | if (!ht_cap->ht_supported) |
2095 | return; | |
2096 | ||
45c9abc0 MK |
2097 | band = def.chan->band; |
2098 | ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs; | |
2099 | vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs; | |
2100 | ||
2101 | if (ath10k_peer_assoc_h_ht_masked(ht_mcs_mask) && | |
2102 | ath10k_peer_assoc_h_vht_masked(vht_mcs_mask)) | |
2103 | return; | |
2104 | ||
5e3dd157 KV |
2105 | arg->peer_flags |= WMI_PEER_HT; |
2106 | arg->peer_max_mpdu = (1 << (IEEE80211_HT_MAX_AMPDU_FACTOR + | |
2107 | ht_cap->ampdu_factor)) - 1; | |
2108 | ||
2109 | arg->peer_mpdu_density = | |
2110 | ath10k_parse_mpdudensity(ht_cap->ampdu_density); | |
2111 | ||
2112 | arg->peer_ht_caps = ht_cap->cap; | |
2113 | arg->peer_rate_caps |= WMI_RC_HT_FLAG; | |
2114 | ||
2115 | if (ht_cap->cap & IEEE80211_HT_CAP_LDPC_CODING) | |
2116 | arg->peer_flags |= WMI_PEER_LDPC; | |
2117 | ||
2118 | if (sta->bandwidth >= IEEE80211_STA_RX_BW_40) { | |
2119 | arg->peer_flags |= WMI_PEER_40MHZ; | |
2120 | arg->peer_rate_caps |= WMI_RC_CW40_FLAG; | |
2121 | } | |
2122 | ||
45c9abc0 MK |
2123 | if (arvif->bitrate_mask.control[band].gi != NL80211_TXRATE_FORCE_LGI) { |
2124 | if (ht_cap->cap & IEEE80211_HT_CAP_SGI_20) | |
2125 | arg->peer_rate_caps |= WMI_RC_SGI_FLAG; | |
5e3dd157 | 2126 | |
45c9abc0 MK |
2127 | if (ht_cap->cap & IEEE80211_HT_CAP_SGI_40) |
2128 | arg->peer_rate_caps |= WMI_RC_SGI_FLAG; | |
2129 | } | |
5e3dd157 KV |
2130 | |
2131 | if (ht_cap->cap & IEEE80211_HT_CAP_TX_STBC) { | |
2132 | arg->peer_rate_caps |= WMI_RC_TX_STBC_FLAG; | |
2133 | arg->peer_flags |= WMI_PEER_STBC; | |
2134 | } | |
2135 | ||
2136 | if (ht_cap->cap & IEEE80211_HT_CAP_RX_STBC) { | |
5e3dd157 KV |
2137 | stbc = ht_cap->cap & IEEE80211_HT_CAP_RX_STBC; |
2138 | stbc = stbc >> IEEE80211_HT_CAP_RX_STBC_SHIFT; | |
2139 | stbc = stbc << WMI_RC_RX_STBC_FLAG_S; | |
2140 | arg->peer_rate_caps |= stbc; | |
2141 | arg->peer_flags |= WMI_PEER_STBC; | |
2142 | } | |
2143 | ||
5e3dd157 KV |
2144 | if (ht_cap->mcs.rx_mask[1] && ht_cap->mcs.rx_mask[2]) |
2145 | arg->peer_rate_caps |= WMI_RC_TS_FLAG; | |
2146 | else if (ht_cap->mcs.rx_mask[1]) | |
2147 | arg->peer_rate_caps |= WMI_RC_DS_FLAG; | |
2148 | ||
45c9abc0 MK |
2149 | for (i = 0, n = 0, max_nss = 0; i < IEEE80211_HT_MCS_MASK_LEN * 8; i++) |
2150 | if ((ht_cap->mcs.rx_mask[i / 8] & BIT(i % 8)) && | |
2151 | (ht_mcs_mask[i / 8] & BIT(i % 8))) { | |
2152 | max_nss = (i / 8) + 1; | |
5e3dd157 | 2153 | arg->peer_ht_rates.rates[n++] = i; |
45c9abc0 | 2154 | } |
5e3dd157 | 2155 | |
fd71f807 BM |
2156 | /* |
2157 | * This is a workaround for HT-enabled STAs which break the spec | |
2158 | * and have no HT capabilities RX mask (no HT RX MCS map). | |
2159 | * | |
2160 | * As per spec, in section 20.3.5 Modulation and coding scheme (MCS), | |
2161 | * MCS 0 through 7 are mandatory in 20MHz with 800 ns GI at all STAs. | |
2162 | * | |
2163 | * Firmware asserts if such situation occurs. | |
2164 | */ | |
2165 | if (n == 0) { | |
2166 | arg->peer_ht_rates.num_rates = 8; | |
2167 | for (i = 0; i < arg->peer_ht_rates.num_rates; i++) | |
2168 | arg->peer_ht_rates.rates[i] = i; | |
2169 | } else { | |
2170 | arg->peer_ht_rates.num_rates = n; | |
45c9abc0 | 2171 | arg->peer_num_spatial_streams = max_nss; |
fd71f807 | 2172 | } |
5e3dd157 | 2173 | |
7aa7a72a | 2174 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac ht peer %pM mcs cnt %d nss %d\n", |
60c3daa8 | 2175 | arg->addr, |
5e3dd157 KV |
2176 | arg->peer_ht_rates.num_rates, |
2177 | arg->peer_num_spatial_streams); | |
2178 | } | |
2179 | ||
d3d3ff42 JD |
2180 | static int ath10k_peer_assoc_qos_ap(struct ath10k *ar, |
2181 | struct ath10k_vif *arvif, | |
2182 | struct ieee80211_sta *sta) | |
5e3dd157 KV |
2183 | { |
2184 | u32 uapsd = 0; | |
2185 | u32 max_sp = 0; | |
d3d3ff42 | 2186 | int ret = 0; |
5e3dd157 | 2187 | |
548db54c MK |
2188 | lockdep_assert_held(&ar->conf_mutex); |
2189 | ||
5e3dd157 | 2190 | if (sta->wme && sta->uapsd_queues) { |
7aa7a72a | 2191 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac uapsd_queues 0x%x max_sp %d\n", |
5e3dd157 KV |
2192 | sta->uapsd_queues, sta->max_sp); |
2193 | ||
5e3dd157 KV |
2194 | if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VO) |
2195 | uapsd |= WMI_AP_PS_UAPSD_AC3_DELIVERY_EN | | |
2196 | WMI_AP_PS_UAPSD_AC3_TRIGGER_EN; | |
2197 | if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VI) | |
2198 | uapsd |= WMI_AP_PS_UAPSD_AC2_DELIVERY_EN | | |
2199 | WMI_AP_PS_UAPSD_AC2_TRIGGER_EN; | |
2200 | if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BK) | |
2201 | uapsd |= WMI_AP_PS_UAPSD_AC1_DELIVERY_EN | | |
2202 | WMI_AP_PS_UAPSD_AC1_TRIGGER_EN; | |
2203 | if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BE) | |
2204 | uapsd |= WMI_AP_PS_UAPSD_AC0_DELIVERY_EN | | |
2205 | WMI_AP_PS_UAPSD_AC0_TRIGGER_EN; | |
2206 | ||
5e3dd157 KV |
2207 | if (sta->max_sp < MAX_WMI_AP_PS_PEER_PARAM_MAX_SP) |
2208 | max_sp = sta->max_sp; | |
2209 | ||
d3d3ff42 JD |
2210 | ret = ath10k_wmi_set_ap_ps_param(ar, arvif->vdev_id, |
2211 | sta->addr, | |
2212 | WMI_AP_PS_PEER_PARAM_UAPSD, | |
2213 | uapsd); | |
2214 | if (ret) { | |
7aa7a72a | 2215 | ath10k_warn(ar, "failed to set ap ps peer param uapsd for vdev %i: %d\n", |
69244e56 | 2216 | arvif->vdev_id, ret); |
d3d3ff42 JD |
2217 | return ret; |
2218 | } | |
5e3dd157 | 2219 | |
d3d3ff42 JD |
2220 | ret = ath10k_wmi_set_ap_ps_param(ar, arvif->vdev_id, |
2221 | sta->addr, | |
2222 | WMI_AP_PS_PEER_PARAM_MAX_SP, | |
2223 | max_sp); | |
2224 | if (ret) { | |
7aa7a72a | 2225 | ath10k_warn(ar, "failed to set ap ps peer param max sp for vdev %i: %d\n", |
69244e56 | 2226 | arvif->vdev_id, ret); |
d3d3ff42 JD |
2227 | return ret; |
2228 | } | |
5e3dd157 KV |
2229 | |
2230 | /* TODO setup this based on STA listen interval and | |
2231 | beacon interval. Currently we don't know | |
2232 | sta->listen_interval - mac80211 patch required. | |
2233 | Currently use 10 seconds */ | |
d3d3ff42 | 2234 | ret = ath10k_wmi_set_ap_ps_param(ar, arvif->vdev_id, sta->addr, |
5b07e07f KV |
2235 | WMI_AP_PS_PEER_PARAM_AGEOUT_TIME, |
2236 | 10); | |
d3d3ff42 | 2237 | if (ret) { |
7aa7a72a | 2238 | ath10k_warn(ar, "failed to set ap ps peer param ageout time for vdev %i: %d\n", |
69244e56 | 2239 | arvif->vdev_id, ret); |
d3d3ff42 JD |
2240 | return ret; |
2241 | } | |
5e3dd157 | 2242 | } |
5e3dd157 | 2243 | |
d3d3ff42 | 2244 | return 0; |
5e3dd157 KV |
2245 | } |
2246 | ||
45c9abc0 MK |
2247 | static u16 |
2248 | ath10k_peer_assoc_h_vht_limit(u16 tx_mcs_set, | |
2249 | const u16 vht_mcs_limit[NL80211_VHT_NSS_MAX]) | |
2250 | { | |
2251 | int idx_limit; | |
2252 | int nss; | |
2253 | u16 mcs_map; | |
2254 | u16 mcs; | |
2255 | ||
2256 | for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) { | |
2257 | mcs_map = ath10k_mac_get_max_vht_mcs_map(tx_mcs_set, nss) & | |
2258 | vht_mcs_limit[nss]; | |
2259 | ||
2260 | if (mcs_map) | |
2261 | idx_limit = fls(mcs_map) - 1; | |
2262 | else | |
2263 | idx_limit = -1; | |
2264 | ||
2265 | switch (idx_limit) { | |
2266 | case 0: /* fall through */ | |
2267 | case 1: /* fall through */ | |
2268 | case 2: /* fall through */ | |
2269 | case 3: /* fall through */ | |
2270 | case 4: /* fall through */ | |
2271 | case 5: /* fall through */ | |
2272 | case 6: /* fall through */ | |
2273 | default: | |
2274 | /* see ath10k_mac_can_set_bitrate_mask() */ | |
2275 | WARN_ON(1); | |
2276 | /* fall through */ | |
2277 | case -1: | |
2278 | mcs = IEEE80211_VHT_MCS_NOT_SUPPORTED; | |
2279 | break; | |
2280 | case 7: | |
2281 | mcs = IEEE80211_VHT_MCS_SUPPORT_0_7; | |
2282 | break; | |
2283 | case 8: | |
2284 | mcs = IEEE80211_VHT_MCS_SUPPORT_0_8; | |
2285 | break; | |
2286 | case 9: | |
2287 | mcs = IEEE80211_VHT_MCS_SUPPORT_0_9; | |
2288 | break; | |
2289 | } | |
2290 | ||
2291 | tx_mcs_set &= ~(0x3 << (nss * 2)); | |
2292 | tx_mcs_set |= mcs << (nss * 2); | |
2293 | } | |
2294 | ||
2295 | return tx_mcs_set; | |
2296 | } | |
2297 | ||
5e3dd157 | 2298 | static void ath10k_peer_assoc_h_vht(struct ath10k *ar, |
500ff9f9 | 2299 | struct ieee80211_vif *vif, |
5e3dd157 KV |
2300 | struct ieee80211_sta *sta, |
2301 | struct wmi_peer_assoc_complete_arg *arg) | |
2302 | { | |
2303 | const struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap; | |
45c9abc0 | 2304 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); |
500ff9f9 | 2305 | struct cfg80211_chan_def def; |
45c9abc0 MK |
2306 | enum ieee80211_band band; |
2307 | const u16 *vht_mcs_mask; | |
a24b88b5 | 2308 | u8 ampdu_factor; |
5e3dd157 | 2309 | |
500ff9f9 MK |
2310 | if (WARN_ON(ath10k_mac_vif_chan(vif, &def))) |
2311 | return; | |
2312 | ||
5e3dd157 KV |
2313 | if (!vht_cap->vht_supported) |
2314 | return; | |
2315 | ||
45c9abc0 MK |
2316 | band = def.chan->band; |
2317 | vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs; | |
2318 | ||
2319 | if (ath10k_peer_assoc_h_vht_masked(vht_mcs_mask)) | |
2320 | return; | |
2321 | ||
5e3dd157 | 2322 | arg->peer_flags |= WMI_PEER_VHT; |
d68bb12a | 2323 | |
500ff9f9 | 2324 | if (def.chan->band == IEEE80211_BAND_2GHZ) |
d68bb12a YL |
2325 | arg->peer_flags |= WMI_PEER_VHT_2G; |
2326 | ||
5e3dd157 KV |
2327 | arg->peer_vht_caps = vht_cap->cap; |
2328 | ||
a24b88b5 SM |
2329 | ampdu_factor = (vht_cap->cap & |
2330 | IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK) >> | |
2331 | IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT; | |
2332 | ||
2333 | /* Workaround: Some Netgear/Linksys 11ac APs set Rx A-MPDU factor to | |
2334 | * zero in VHT IE. Using it would result in degraded throughput. | |
2335 | * arg->peer_max_mpdu at this point contains HT max_mpdu so keep | |
2336 | * it if VHT max_mpdu is smaller. */ | |
2337 | arg->peer_max_mpdu = max(arg->peer_max_mpdu, | |
2338 | (1U << (IEEE80211_HT_MAX_AMPDU_FACTOR + | |
2339 | ampdu_factor)) - 1); | |
2340 | ||
5e3dd157 KV |
2341 | if (sta->bandwidth == IEEE80211_STA_RX_BW_80) |
2342 | arg->peer_flags |= WMI_PEER_80MHZ; | |
2343 | ||
2344 | arg->peer_vht_rates.rx_max_rate = | |
2345 | __le16_to_cpu(vht_cap->vht_mcs.rx_highest); | |
2346 | arg->peer_vht_rates.rx_mcs_set = | |
2347 | __le16_to_cpu(vht_cap->vht_mcs.rx_mcs_map); | |
2348 | arg->peer_vht_rates.tx_max_rate = | |
2349 | __le16_to_cpu(vht_cap->vht_mcs.tx_highest); | |
45c9abc0 MK |
2350 | arg->peer_vht_rates.tx_mcs_set = ath10k_peer_assoc_h_vht_limit( |
2351 | __le16_to_cpu(vht_cap->vht_mcs.tx_mcs_map), vht_mcs_mask); | |
5e3dd157 | 2352 | |
7aa7a72a | 2353 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vht peer %pM max_mpdu %d flags 0x%x\n", |
60c3daa8 | 2354 | sta->addr, arg->peer_max_mpdu, arg->peer_flags); |
5e3dd157 KV |
2355 | } |
2356 | ||
2357 | static void ath10k_peer_assoc_h_qos(struct ath10k *ar, | |
590922a8 | 2358 | struct ieee80211_vif *vif, |
5e3dd157 | 2359 | struct ieee80211_sta *sta, |
5e3dd157 KV |
2360 | struct wmi_peer_assoc_complete_arg *arg) |
2361 | { | |
590922a8 MK |
2362 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); |
2363 | ||
5e3dd157 KV |
2364 | switch (arvif->vdev_type) { |
2365 | case WMI_VDEV_TYPE_AP: | |
d3d3ff42 JD |
2366 | if (sta->wme) |
2367 | arg->peer_flags |= WMI_PEER_QOS; | |
2368 | ||
2369 | if (sta->wme && sta->uapsd_queues) { | |
2370 | arg->peer_flags |= WMI_PEER_APSD; | |
2371 | arg->peer_rate_caps |= WMI_RC_UAPSD_FLAG; | |
2372 | } | |
5e3dd157 KV |
2373 | break; |
2374 | case WMI_VDEV_TYPE_STA: | |
590922a8 | 2375 | if (vif->bss_conf.qos) |
d3d3ff42 | 2376 | arg->peer_flags |= WMI_PEER_QOS; |
5e3dd157 | 2377 | break; |
627d9841 JD |
2378 | case WMI_VDEV_TYPE_IBSS: |
2379 | if (sta->wme) | |
2380 | arg->peer_flags |= WMI_PEER_QOS; | |
2381 | break; | |
5e3dd157 KV |
2382 | default: |
2383 | break; | |
2384 | } | |
627d9841 JD |
2385 | |
2386 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac peer %pM qos %d\n", | |
2387 | sta->addr, !!(arg->peer_flags & WMI_PEER_QOS)); | |
5e3dd157 KV |
2388 | } |
2389 | ||
8d7aa6bc | 2390 | static bool ath10k_mac_sta_has_ofdm_only(struct ieee80211_sta *sta) |
91b12089 | 2391 | { |
8d7aa6bc MK |
2392 | return sta->supp_rates[IEEE80211_BAND_2GHZ] >> |
2393 | ATH10K_MAC_FIRST_OFDM_RATE_IDX; | |
91b12089 MK |
2394 | } |
2395 | ||
5e3dd157 | 2396 | static void ath10k_peer_assoc_h_phymode(struct ath10k *ar, |
590922a8 | 2397 | struct ieee80211_vif *vif, |
5e3dd157 KV |
2398 | struct ieee80211_sta *sta, |
2399 | struct wmi_peer_assoc_complete_arg *arg) | |
2400 | { | |
45c9abc0 | 2401 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); |
500ff9f9 | 2402 | struct cfg80211_chan_def def; |
45c9abc0 MK |
2403 | enum ieee80211_band band; |
2404 | const u8 *ht_mcs_mask; | |
2405 | const u16 *vht_mcs_mask; | |
5e3dd157 KV |
2406 | enum wmi_phy_mode phymode = MODE_UNKNOWN; |
2407 | ||
500ff9f9 MK |
2408 | if (WARN_ON(ath10k_mac_vif_chan(vif, &def))) |
2409 | return; | |
2410 | ||
45c9abc0 MK |
2411 | band = def.chan->band; |
2412 | ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs; | |
2413 | vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs; | |
2414 | ||
2415 | switch (band) { | |
5e3dd157 | 2416 | case IEEE80211_BAND_2GHZ: |
45c9abc0 MK |
2417 | if (sta->vht_cap.vht_supported && |
2418 | !ath10k_peer_assoc_h_vht_masked(vht_mcs_mask)) { | |
d68bb12a YL |
2419 | if (sta->bandwidth == IEEE80211_STA_RX_BW_40) |
2420 | phymode = MODE_11AC_VHT40; | |
2421 | else | |
2422 | phymode = MODE_11AC_VHT20; | |
45c9abc0 MK |
2423 | } else if (sta->ht_cap.ht_supported && |
2424 | !ath10k_peer_assoc_h_ht_masked(ht_mcs_mask)) { | |
5e3dd157 KV |
2425 | if (sta->bandwidth == IEEE80211_STA_RX_BW_40) |
2426 | phymode = MODE_11NG_HT40; | |
2427 | else | |
2428 | phymode = MODE_11NG_HT20; | |
8d7aa6bc | 2429 | } else if (ath10k_mac_sta_has_ofdm_only(sta)) { |
5e3dd157 | 2430 | phymode = MODE_11G; |
91b12089 MK |
2431 | } else { |
2432 | phymode = MODE_11B; | |
5e3dd157 KV |
2433 | } |
2434 | ||
2435 | break; | |
2436 | case IEEE80211_BAND_5GHZ: | |
7cc45e98 SM |
2437 | /* |
2438 | * Check VHT first. | |
2439 | */ | |
45c9abc0 MK |
2440 | if (sta->vht_cap.vht_supported && |
2441 | !ath10k_peer_assoc_h_vht_masked(vht_mcs_mask)) { | |
7cc45e98 SM |
2442 | if (sta->bandwidth == IEEE80211_STA_RX_BW_80) |
2443 | phymode = MODE_11AC_VHT80; | |
2444 | else if (sta->bandwidth == IEEE80211_STA_RX_BW_40) | |
2445 | phymode = MODE_11AC_VHT40; | |
2446 | else if (sta->bandwidth == IEEE80211_STA_RX_BW_20) | |
2447 | phymode = MODE_11AC_VHT20; | |
45c9abc0 MK |
2448 | } else if (sta->ht_cap.ht_supported && |
2449 | !ath10k_peer_assoc_h_ht_masked(ht_mcs_mask)) { | |
2450 | if (sta->bandwidth >= IEEE80211_STA_RX_BW_40) | |
5e3dd157 KV |
2451 | phymode = MODE_11NA_HT40; |
2452 | else | |
2453 | phymode = MODE_11NA_HT20; | |
2454 | } else { | |
2455 | phymode = MODE_11A; | |
2456 | } | |
2457 | ||
2458 | break; | |
2459 | default: | |
2460 | break; | |
2461 | } | |
2462 | ||
7aa7a72a | 2463 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac peer %pM phymode %s\n", |
38a1d47e | 2464 | sta->addr, ath10k_wmi_phymode_str(phymode)); |
60c3daa8 | 2465 | |
5e3dd157 KV |
2466 | arg->peer_phymode = phymode; |
2467 | WARN_ON(phymode == MODE_UNKNOWN); | |
2468 | } | |
2469 | ||
b9ada65d | 2470 | static int ath10k_peer_assoc_prepare(struct ath10k *ar, |
590922a8 | 2471 | struct ieee80211_vif *vif, |
b9ada65d | 2472 | struct ieee80211_sta *sta, |
b9ada65d | 2473 | struct wmi_peer_assoc_complete_arg *arg) |
5e3dd157 | 2474 | { |
548db54c MK |
2475 | lockdep_assert_held(&ar->conf_mutex); |
2476 | ||
b9ada65d | 2477 | memset(arg, 0, sizeof(*arg)); |
5e3dd157 | 2478 | |
590922a8 MK |
2479 | ath10k_peer_assoc_h_basic(ar, vif, sta, arg); |
2480 | ath10k_peer_assoc_h_crypto(ar, vif, arg); | |
500ff9f9 | 2481 | ath10k_peer_assoc_h_rates(ar, vif, sta, arg); |
45c9abc0 | 2482 | ath10k_peer_assoc_h_ht(ar, vif, sta, arg); |
500ff9f9 | 2483 | ath10k_peer_assoc_h_vht(ar, vif, sta, arg); |
590922a8 MK |
2484 | ath10k_peer_assoc_h_qos(ar, vif, sta, arg); |
2485 | ath10k_peer_assoc_h_phymode(ar, vif, sta, arg); | |
5e3dd157 | 2486 | |
b9ada65d | 2487 | return 0; |
5e3dd157 KV |
2488 | } |
2489 | ||
90046f50 MK |
2490 | static const u32 ath10k_smps_map[] = { |
2491 | [WLAN_HT_CAP_SM_PS_STATIC] = WMI_PEER_SMPS_STATIC, | |
2492 | [WLAN_HT_CAP_SM_PS_DYNAMIC] = WMI_PEER_SMPS_DYNAMIC, | |
2493 | [WLAN_HT_CAP_SM_PS_INVALID] = WMI_PEER_SMPS_PS_NONE, | |
2494 | [WLAN_HT_CAP_SM_PS_DISABLED] = WMI_PEER_SMPS_PS_NONE, | |
2495 | }; | |
2496 | ||
2497 | static int ath10k_setup_peer_smps(struct ath10k *ar, struct ath10k_vif *arvif, | |
2498 | const u8 *addr, | |
2499 | const struct ieee80211_sta_ht_cap *ht_cap) | |
2500 | { | |
2501 | int smps; | |
2502 | ||
2503 | if (!ht_cap->ht_supported) | |
2504 | return 0; | |
2505 | ||
2506 | smps = ht_cap->cap & IEEE80211_HT_CAP_SM_PS; | |
2507 | smps >>= IEEE80211_HT_CAP_SM_PS_SHIFT; | |
2508 | ||
2509 | if (smps >= ARRAY_SIZE(ath10k_smps_map)) | |
2510 | return -EINVAL; | |
2511 | ||
2512 | return ath10k_wmi_peer_set_param(ar, arvif->vdev_id, addr, | |
2513 | WMI_PEER_SMPS_STATE, | |
2514 | ath10k_smps_map[smps]); | |
2515 | } | |
2516 | ||
139e170d MK |
2517 | static int ath10k_mac_vif_recalc_txbf(struct ath10k *ar, |
2518 | struct ieee80211_vif *vif, | |
2519 | struct ieee80211_sta_vht_cap vht_cap) | |
2520 | { | |
2521 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
2522 | int ret; | |
2523 | u32 param; | |
2524 | u32 value; | |
2525 | ||
08e75ea8 VN |
2526 | if (ath10k_wmi_get_txbf_conf_scheme(ar) != WMI_TXBF_CONF_AFTER_ASSOC) |
2527 | return 0; | |
2528 | ||
139e170d MK |
2529 | if (!(ar->vht_cap_info & |
2530 | (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE | | |
2531 | IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE | | |
2532 | IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE | | |
2533 | IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE))) | |
2534 | return 0; | |
2535 | ||
2536 | param = ar->wmi.vdev_param->txbf; | |
2537 | value = 0; | |
2538 | ||
2539 | if (WARN_ON(param == WMI_VDEV_PARAM_UNSUPPORTED)) | |
2540 | return 0; | |
2541 | ||
2542 | /* The following logic is correct. If a remote STA advertises support | |
2543 | * for being a beamformer then we should enable us being a beamformee. | |
2544 | */ | |
2545 | ||
2546 | if (ar->vht_cap_info & | |
2547 | (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE | | |
2548 | IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)) { | |
2549 | if (vht_cap.cap & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE) | |
2550 | value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFEE; | |
2551 | ||
2552 | if (vht_cap.cap & IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE) | |
2553 | value |= WMI_VDEV_PARAM_TXBF_MU_TX_BFEE; | |
2554 | } | |
2555 | ||
2556 | if (ar->vht_cap_info & | |
2557 | (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE | | |
2558 | IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)) { | |
2559 | if (vht_cap.cap & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE) | |
2560 | value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFER; | |
2561 | ||
2562 | if (vht_cap.cap & IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE) | |
2563 | value |= WMI_VDEV_PARAM_TXBF_MU_TX_BFER; | |
2564 | } | |
2565 | ||
2566 | if (value & WMI_VDEV_PARAM_TXBF_MU_TX_BFEE) | |
2567 | value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFEE; | |
2568 | ||
2569 | if (value & WMI_VDEV_PARAM_TXBF_MU_TX_BFER) | |
2570 | value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFER; | |
2571 | ||
2572 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param, value); | |
2573 | if (ret) { | |
2574 | ath10k_warn(ar, "failed to submit vdev param txbf 0x%x: %d\n", | |
2575 | value, ret); | |
2576 | return ret; | |
2577 | } | |
2578 | ||
2579 | return 0; | |
2580 | } | |
2581 | ||
5e3dd157 KV |
2582 | /* can be called only in mac80211 callbacks due to `key_count` usage */ |
2583 | static void ath10k_bss_assoc(struct ieee80211_hw *hw, | |
2584 | struct ieee80211_vif *vif, | |
2585 | struct ieee80211_bss_conf *bss_conf) | |
2586 | { | |
2587 | struct ath10k *ar = hw->priv; | |
2588 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
90046f50 | 2589 | struct ieee80211_sta_ht_cap ht_cap; |
139e170d | 2590 | struct ieee80211_sta_vht_cap vht_cap; |
b9ada65d | 2591 | struct wmi_peer_assoc_complete_arg peer_arg; |
5e3dd157 KV |
2592 | struct ieee80211_sta *ap_sta; |
2593 | int ret; | |
2594 | ||
548db54c MK |
2595 | lockdep_assert_held(&ar->conf_mutex); |
2596 | ||
077efc8c MK |
2597 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %i assoc bssid %pM aid %d\n", |
2598 | arvif->vdev_id, arvif->bssid, arvif->aid); | |
2599 | ||
5e3dd157 KV |
2600 | rcu_read_lock(); |
2601 | ||
2602 | ap_sta = ieee80211_find_sta(vif, bss_conf->bssid); | |
2603 | if (!ap_sta) { | |
7aa7a72a | 2604 | ath10k_warn(ar, "failed to find station entry for bss %pM vdev %i\n", |
69244e56 | 2605 | bss_conf->bssid, arvif->vdev_id); |
5e3dd157 KV |
2606 | rcu_read_unlock(); |
2607 | return; | |
2608 | } | |
2609 | ||
90046f50 MK |
2610 | /* ap_sta must be accessed only within rcu section which must be left |
2611 | * before calling ath10k_setup_peer_smps() which might sleep. */ | |
2612 | ht_cap = ap_sta->ht_cap; | |
139e170d | 2613 | vht_cap = ap_sta->vht_cap; |
90046f50 | 2614 | |
590922a8 | 2615 | ret = ath10k_peer_assoc_prepare(ar, vif, ap_sta, &peer_arg); |
5e3dd157 | 2616 | if (ret) { |
7aa7a72a | 2617 | ath10k_warn(ar, "failed to prepare peer assoc for %pM vdev %i: %d\n", |
69244e56 | 2618 | bss_conf->bssid, arvif->vdev_id, ret); |
5e3dd157 KV |
2619 | rcu_read_unlock(); |
2620 | return; | |
2621 | } | |
2622 | ||
2623 | rcu_read_unlock(); | |
2624 | ||
b9ada65d KV |
2625 | ret = ath10k_wmi_peer_assoc(ar, &peer_arg); |
2626 | if (ret) { | |
7aa7a72a | 2627 | ath10k_warn(ar, "failed to run peer assoc for %pM vdev %i: %d\n", |
69244e56 | 2628 | bss_conf->bssid, arvif->vdev_id, ret); |
b9ada65d KV |
2629 | return; |
2630 | } | |
2631 | ||
90046f50 MK |
2632 | ret = ath10k_setup_peer_smps(ar, arvif, bss_conf->bssid, &ht_cap); |
2633 | if (ret) { | |
7aa7a72a | 2634 | ath10k_warn(ar, "failed to setup peer SMPS for vdev %i: %d\n", |
69244e56 | 2635 | arvif->vdev_id, ret); |
90046f50 MK |
2636 | return; |
2637 | } | |
2638 | ||
139e170d MK |
2639 | ret = ath10k_mac_vif_recalc_txbf(ar, vif, vht_cap); |
2640 | if (ret) { | |
2641 | ath10k_warn(ar, "failed to recalc txbf for vdev %i on bss %pM: %d\n", | |
2642 | arvif->vdev_id, bss_conf->bssid, ret); | |
2643 | return; | |
2644 | } | |
2645 | ||
7aa7a72a | 2646 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
60c3daa8 KV |
2647 | "mac vdev %d up (associated) bssid %pM aid %d\n", |
2648 | arvif->vdev_id, bss_conf->bssid, bss_conf->aid); | |
2649 | ||
077efc8c MK |
2650 | WARN_ON(arvif->is_up); |
2651 | ||
c930f744 | 2652 | arvif->aid = bss_conf->aid; |
b25f32cb | 2653 | ether_addr_copy(arvif->bssid, bss_conf->bssid); |
c930f744 MK |
2654 | |
2655 | ret = ath10k_wmi_vdev_up(ar, arvif->vdev_id, arvif->aid, arvif->bssid); | |
2656 | if (ret) { | |
7aa7a72a | 2657 | ath10k_warn(ar, "failed to set vdev %d up: %d\n", |
5e3dd157 | 2658 | arvif->vdev_id, ret); |
c930f744 MK |
2659 | return; |
2660 | } | |
2661 | ||
2662 | arvif->is_up = true; | |
0a987fb0 MK |
2663 | |
2664 | /* Workaround: Some firmware revisions (tested with qca6174 | |
2665 | * WLAN.RM.2.0-00073) have buggy powersave state machine and must be | |
2666 | * poked with peer param command. | |
2667 | */ | |
2668 | ret = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, arvif->bssid, | |
2669 | WMI_PEER_DUMMY_VAR, 1); | |
2670 | if (ret) { | |
2671 | ath10k_warn(ar, "failed to poke peer %pM param for ps workaround on vdev %i: %d\n", | |
2672 | arvif->bssid, arvif->vdev_id, ret); | |
2673 | return; | |
2674 | } | |
5e3dd157 KV |
2675 | } |
2676 | ||
5e3dd157 KV |
2677 | static void ath10k_bss_disassoc(struct ieee80211_hw *hw, |
2678 | struct ieee80211_vif *vif) | |
2679 | { | |
2680 | struct ath10k *ar = hw->priv; | |
2681 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
139e170d | 2682 | struct ieee80211_sta_vht_cap vht_cap = {}; |
5e3dd157 KV |
2683 | int ret; |
2684 | ||
548db54c MK |
2685 | lockdep_assert_held(&ar->conf_mutex); |
2686 | ||
077efc8c MK |
2687 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %i disassoc bssid %pM\n", |
2688 | arvif->vdev_id, arvif->bssid); | |
60c3daa8 | 2689 | |
5e3dd157 | 2690 | ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id); |
077efc8c MK |
2691 | if (ret) |
2692 | ath10k_warn(ar, "faield to down vdev %i: %d\n", | |
2693 | arvif->vdev_id, ret); | |
5e3dd157 | 2694 | |
627613f8 SJ |
2695 | arvif->def_wep_key_idx = -1; |
2696 | ||
139e170d MK |
2697 | ret = ath10k_mac_vif_recalc_txbf(ar, vif, vht_cap); |
2698 | if (ret) { | |
2699 | ath10k_warn(ar, "failed to recalc txbf for vdev %i: %d\n", | |
2700 | arvif->vdev_id, ret); | |
2701 | return; | |
2702 | } | |
2703 | ||
c930f744 | 2704 | arvif->is_up = false; |
cc9904e6 MK |
2705 | |
2706 | cancel_delayed_work_sync(&arvif->connection_loss_work); | |
5e3dd157 KV |
2707 | } |
2708 | ||
590922a8 MK |
2709 | static int ath10k_station_assoc(struct ath10k *ar, |
2710 | struct ieee80211_vif *vif, | |
2711 | struct ieee80211_sta *sta, | |
2712 | bool reassoc) | |
5e3dd157 | 2713 | { |
590922a8 | 2714 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); |
b9ada65d | 2715 | struct wmi_peer_assoc_complete_arg peer_arg; |
5e3dd157 KV |
2716 | int ret = 0; |
2717 | ||
548db54c MK |
2718 | lockdep_assert_held(&ar->conf_mutex); |
2719 | ||
590922a8 | 2720 | ret = ath10k_peer_assoc_prepare(ar, vif, sta, &peer_arg); |
b9ada65d | 2721 | if (ret) { |
7aa7a72a | 2722 | ath10k_warn(ar, "failed to prepare WMI peer assoc for %pM vdev %i: %i\n", |
69244e56 | 2723 | sta->addr, arvif->vdev_id, ret); |
b9ada65d KV |
2724 | return ret; |
2725 | } | |
2726 | ||
2727 | ret = ath10k_wmi_peer_assoc(ar, &peer_arg); | |
5e3dd157 | 2728 | if (ret) { |
7aa7a72a | 2729 | ath10k_warn(ar, "failed to run peer assoc for STA %pM vdev %i: %d\n", |
69244e56 | 2730 | sta->addr, arvif->vdev_id, ret); |
5e3dd157 KV |
2731 | return ret; |
2732 | } | |
2733 | ||
b1ecde36 MK |
2734 | /* Re-assoc is run only to update supported rates for given station. It |
2735 | * doesn't make much sense to reconfigure the peer completely. | |
2736 | */ | |
2737 | if (!reassoc) { | |
2738 | ret = ath10k_setup_peer_smps(ar, arvif, sta->addr, | |
2739 | &sta->ht_cap); | |
e81bd104 | 2740 | if (ret) { |
b1ecde36 | 2741 | ath10k_warn(ar, "failed to setup peer SMPS for vdev %d: %d\n", |
e81bd104 MK |
2742 | arvif->vdev_id, ret); |
2743 | return ret; | |
2744 | } | |
e81bd104 | 2745 | |
b1ecde36 MK |
2746 | ret = ath10k_peer_assoc_qos_ap(ar, arvif, sta); |
2747 | if (ret) { | |
2748 | ath10k_warn(ar, "failed to set qos params for STA %pM for vdev %i: %d\n", | |
2749 | sta->addr, arvif->vdev_id, ret); | |
2750 | return ret; | |
2751 | } | |
5e3dd157 | 2752 | |
b1ecde36 MK |
2753 | if (!sta->wme) { |
2754 | arvif->num_legacy_stations++; | |
2755 | ret = ath10k_recalc_rtscts_prot(arvif); | |
2756 | if (ret) { | |
2757 | ath10k_warn(ar, "failed to recalculate rts/cts prot for vdev %d: %d\n", | |
2758 | arvif->vdev_id, ret); | |
2759 | return ret; | |
2760 | } | |
2761 | } | |
2762 | ||
627613f8 SJ |
2763 | /* Plumb cached keys only for static WEP */ |
2764 | if (arvif->def_wep_key_idx != -1) { | |
2765 | ret = ath10k_install_peer_wep_keys(arvif, sta->addr); | |
2766 | if (ret) { | |
2767 | ath10k_warn(ar, "failed to install peer wep keys for vdev %i: %d\n", | |
2768 | arvif->vdev_id, ret); | |
2769 | return ret; | |
2770 | } | |
b1ecde36 | 2771 | } |
d3d3ff42 JD |
2772 | } |
2773 | ||
5e3dd157 KV |
2774 | return ret; |
2775 | } | |
2776 | ||
590922a8 MK |
2777 | static int ath10k_station_disassoc(struct ath10k *ar, |
2778 | struct ieee80211_vif *vif, | |
5e3dd157 KV |
2779 | struct ieee80211_sta *sta) |
2780 | { | |
590922a8 | 2781 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); |
5e3dd157 KV |
2782 | int ret = 0; |
2783 | ||
548db54c MK |
2784 | lockdep_assert_held(&ar->conf_mutex); |
2785 | ||
e81bd104 MK |
2786 | if (!sta->wme) { |
2787 | arvif->num_legacy_stations--; | |
2788 | ret = ath10k_recalc_rtscts_prot(arvif); | |
2789 | if (ret) { | |
7aa7a72a | 2790 | ath10k_warn(ar, "failed to recalculate rts/cts prot for vdev %d: %d\n", |
e81bd104 MK |
2791 | arvif->vdev_id, ret); |
2792 | return ret; | |
2793 | } | |
2794 | } | |
2795 | ||
5e3dd157 KV |
2796 | ret = ath10k_clear_peer_keys(arvif, sta->addr); |
2797 | if (ret) { | |
7aa7a72a | 2798 | ath10k_warn(ar, "failed to clear all peer wep keys for vdev %i: %d\n", |
69244e56 | 2799 | arvif->vdev_id, ret); |
5e3dd157 KV |
2800 | return ret; |
2801 | } | |
2802 | ||
2803 | return ret; | |
2804 | } | |
2805 | ||
2806 | /**************/ | |
2807 | /* Regulatory */ | |
2808 | /**************/ | |
2809 | ||
2810 | static int ath10k_update_channel_list(struct ath10k *ar) | |
2811 | { | |
2812 | struct ieee80211_hw *hw = ar->hw; | |
2813 | struct ieee80211_supported_band **bands; | |
2814 | enum ieee80211_band band; | |
2815 | struct ieee80211_channel *channel; | |
2816 | struct wmi_scan_chan_list_arg arg = {0}; | |
2817 | struct wmi_channel_arg *ch; | |
2818 | bool passive; | |
2819 | int len; | |
2820 | int ret; | |
2821 | int i; | |
2822 | ||
548db54c MK |
2823 | lockdep_assert_held(&ar->conf_mutex); |
2824 | ||
5e3dd157 KV |
2825 | bands = hw->wiphy->bands; |
2826 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
2827 | if (!bands[band]) | |
2828 | continue; | |
2829 | ||
2830 | for (i = 0; i < bands[band]->n_channels; i++) { | |
2831 | if (bands[band]->channels[i].flags & | |
2832 | IEEE80211_CHAN_DISABLED) | |
2833 | continue; | |
2834 | ||
2835 | arg.n_channels++; | |
2836 | } | |
2837 | } | |
2838 | ||
2839 | len = sizeof(struct wmi_channel_arg) * arg.n_channels; | |
2840 | arg.channels = kzalloc(len, GFP_KERNEL); | |
2841 | if (!arg.channels) | |
2842 | return -ENOMEM; | |
2843 | ||
2844 | ch = arg.channels; | |
2845 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
2846 | if (!bands[band]) | |
2847 | continue; | |
2848 | ||
2849 | for (i = 0; i < bands[band]->n_channels; i++) { | |
2850 | channel = &bands[band]->channels[i]; | |
2851 | ||
2852 | if (channel->flags & IEEE80211_CHAN_DISABLED) | |
2853 | continue; | |
2854 | ||
2855 | ch->allow_ht = true; | |
2856 | ||
2857 | /* FIXME: when should we really allow VHT? */ | |
2858 | ch->allow_vht = true; | |
2859 | ||
2860 | ch->allow_ibss = | |
8fe02e16 | 2861 | !(channel->flags & IEEE80211_CHAN_NO_IR); |
5e3dd157 KV |
2862 | |
2863 | ch->ht40plus = | |
2864 | !(channel->flags & IEEE80211_CHAN_NO_HT40PLUS); | |
2865 | ||
e8a50f8b MP |
2866 | ch->chan_radar = |
2867 | !!(channel->flags & IEEE80211_CHAN_RADAR); | |
2868 | ||
8fe02e16 | 2869 | passive = channel->flags & IEEE80211_CHAN_NO_IR; |
5e3dd157 KV |
2870 | ch->passive = passive; |
2871 | ||
2872 | ch->freq = channel->center_freq; | |
2d66721c | 2873 | ch->band_center_freq1 = channel->center_freq; |
89c5c843 | 2874 | ch->min_power = 0; |
02256930 MK |
2875 | ch->max_power = channel->max_power * 2; |
2876 | ch->max_reg_power = channel->max_reg_power * 2; | |
2877 | ch->max_antenna_gain = channel->max_antenna_gain * 2; | |
5e3dd157 KV |
2878 | ch->reg_class_id = 0; /* FIXME */ |
2879 | ||
2880 | /* FIXME: why use only legacy modes, why not any | |
2881 | * HT/VHT modes? Would that even make any | |
2882 | * difference? */ | |
2883 | if (channel->band == IEEE80211_BAND_2GHZ) | |
2884 | ch->mode = MODE_11G; | |
2885 | else | |
2886 | ch->mode = MODE_11A; | |
2887 | ||
2888 | if (WARN_ON_ONCE(ch->mode == MODE_UNKNOWN)) | |
2889 | continue; | |
2890 | ||
7aa7a72a | 2891 | ath10k_dbg(ar, ATH10K_DBG_WMI, |
60c3daa8 KV |
2892 | "mac channel [%zd/%d] freq %d maxpower %d regpower %d antenna %d mode %d\n", |
2893 | ch - arg.channels, arg.n_channels, | |
5e3dd157 KV |
2894 | ch->freq, ch->max_power, ch->max_reg_power, |
2895 | ch->max_antenna_gain, ch->mode); | |
2896 | ||
2897 | ch++; | |
2898 | } | |
2899 | } | |
2900 | ||
2901 | ret = ath10k_wmi_scan_chan_list(ar, &arg); | |
2902 | kfree(arg.channels); | |
2903 | ||
2904 | return ret; | |
2905 | } | |
2906 | ||
821af6ae MP |
2907 | static enum wmi_dfs_region |
2908 | ath10k_mac_get_dfs_region(enum nl80211_dfs_regions dfs_region) | |
2909 | { | |
2910 | switch (dfs_region) { | |
2911 | case NL80211_DFS_UNSET: | |
2912 | return WMI_UNINIT_DFS_DOMAIN; | |
2913 | case NL80211_DFS_FCC: | |
2914 | return WMI_FCC_DFS_DOMAIN; | |
2915 | case NL80211_DFS_ETSI: | |
2916 | return WMI_ETSI_DFS_DOMAIN; | |
2917 | case NL80211_DFS_JP: | |
2918 | return WMI_MKK4_DFS_DOMAIN; | |
2919 | } | |
2920 | return WMI_UNINIT_DFS_DOMAIN; | |
2921 | } | |
2922 | ||
f7843d7f | 2923 | static void ath10k_regd_update(struct ath10k *ar) |
5e3dd157 | 2924 | { |
5e3dd157 | 2925 | struct reg_dmn_pair_mapping *regpair; |
5e3dd157 | 2926 | int ret; |
821af6ae MP |
2927 | enum wmi_dfs_region wmi_dfs_reg; |
2928 | enum nl80211_dfs_regions nl_dfs_reg; | |
5e3dd157 | 2929 | |
f7843d7f | 2930 | lockdep_assert_held(&ar->conf_mutex); |
5e3dd157 KV |
2931 | |
2932 | ret = ath10k_update_channel_list(ar); | |
2933 | if (ret) | |
7aa7a72a | 2934 | ath10k_warn(ar, "failed to update channel list: %d\n", ret); |
5e3dd157 KV |
2935 | |
2936 | regpair = ar->ath_common.regulatory.regpair; | |
f7843d7f | 2937 | |
821af6ae MP |
2938 | if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector) { |
2939 | nl_dfs_reg = ar->dfs_detector->region; | |
2940 | wmi_dfs_reg = ath10k_mac_get_dfs_region(nl_dfs_reg); | |
2941 | } else { | |
2942 | wmi_dfs_reg = WMI_UNINIT_DFS_DOMAIN; | |
2943 | } | |
2944 | ||
5e3dd157 KV |
2945 | /* Target allows setting up per-band regdomain but ath_common provides |
2946 | * a combined one only */ | |
2947 | ret = ath10k_wmi_pdev_set_regdomain(ar, | |
ef8c0017 KV |
2948 | regpair->reg_domain, |
2949 | regpair->reg_domain, /* 2ghz */ | |
2950 | regpair->reg_domain, /* 5ghz */ | |
5e3dd157 | 2951 | regpair->reg_2ghz_ctl, |
821af6ae MP |
2952 | regpair->reg_5ghz_ctl, |
2953 | wmi_dfs_reg); | |
5e3dd157 | 2954 | if (ret) |
7aa7a72a | 2955 | ath10k_warn(ar, "failed to set pdev regdomain: %d\n", ret); |
f7843d7f | 2956 | } |
548db54c | 2957 | |
f7843d7f MK |
2958 | static void ath10k_reg_notifier(struct wiphy *wiphy, |
2959 | struct regulatory_request *request) | |
2960 | { | |
2961 | struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); | |
2962 | struct ath10k *ar = hw->priv; | |
9702c686 | 2963 | bool result; |
f7843d7f MK |
2964 | |
2965 | ath_reg_notifier_apply(wiphy, request, &ar->ath_common.regulatory); | |
2966 | ||
9702c686 | 2967 | if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector) { |
7aa7a72a | 2968 | ath10k_dbg(ar, ATH10K_DBG_REGULATORY, "dfs region 0x%x\n", |
9702c686 JD |
2969 | request->dfs_region); |
2970 | result = ar->dfs_detector->set_dfs_domain(ar->dfs_detector, | |
2971 | request->dfs_region); | |
2972 | if (!result) | |
7aa7a72a | 2973 | ath10k_warn(ar, "DFS region 0x%X not supported, will trigger radar for every pulse\n", |
9702c686 JD |
2974 | request->dfs_region); |
2975 | } | |
2976 | ||
f7843d7f MK |
2977 | mutex_lock(&ar->conf_mutex); |
2978 | if (ar->state == ATH10K_STATE_ON) | |
2979 | ath10k_regd_update(ar); | |
548db54c | 2980 | mutex_unlock(&ar->conf_mutex); |
5e3dd157 KV |
2981 | } |
2982 | ||
2983 | /***************/ | |
2984 | /* TX handlers */ | |
2985 | /***************/ | |
2986 | ||
96d828d4 | 2987 | void ath10k_mac_tx_lock(struct ath10k *ar, int reason) |
42c3aa6f | 2988 | { |
96d828d4 | 2989 | lockdep_assert_held(&ar->htt.tx_lock); |
42c3aa6f | 2990 | |
96d828d4 MK |
2991 | WARN_ON(reason >= ATH10K_TX_PAUSE_MAX); |
2992 | ar->tx_paused |= BIT(reason); | |
2993 | ieee80211_stop_queues(ar->hw); | |
42c3aa6f MK |
2994 | } |
2995 | ||
96d828d4 MK |
2996 | static void ath10k_mac_tx_unlock_iter(void *data, u8 *mac, |
2997 | struct ieee80211_vif *vif) | |
ddb6ad77 | 2998 | { |
96d828d4 MK |
2999 | struct ath10k *ar = data; |
3000 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
ddb6ad77 | 3001 | |
96d828d4 MK |
3002 | if (arvif->tx_paused) |
3003 | return; | |
ddb6ad77 | 3004 | |
96d828d4 | 3005 | ieee80211_wake_queue(ar->hw, arvif->vdev_id); |
ddb6ad77 MK |
3006 | } |
3007 | ||
96d828d4 | 3008 | void ath10k_mac_tx_unlock(struct ath10k *ar, int reason) |
5e3dd157 | 3009 | { |
96d828d4 | 3010 | lockdep_assert_held(&ar->htt.tx_lock); |
5e3dd157 | 3011 | |
96d828d4 MK |
3012 | WARN_ON(reason >= ATH10K_TX_PAUSE_MAX); |
3013 | ar->tx_paused &= ~BIT(reason); | |
5e3dd157 | 3014 | |
96d828d4 MK |
3015 | if (ar->tx_paused) |
3016 | return; | |
c21c64d1 | 3017 | |
96d828d4 MK |
3018 | ieee80211_iterate_active_interfaces_atomic(ar->hw, |
3019 | IEEE80211_IFACE_ITER_RESUME_ALL, | |
3020 | ath10k_mac_tx_unlock_iter, | |
3021 | ar); | |
3a73d1a6 MK |
3022 | |
3023 | ieee80211_wake_queue(ar->hw, ar->hw->offchannel_tx_hw_queue); | |
5e3dd157 KV |
3024 | } |
3025 | ||
96d828d4 | 3026 | void ath10k_mac_vif_tx_lock(struct ath10k_vif *arvif, int reason) |
5e3dd157 | 3027 | { |
96d828d4 | 3028 | struct ath10k *ar = arvif->ar; |
5e3dd157 | 3029 | |
96d828d4 | 3030 | lockdep_assert_held(&ar->htt.tx_lock); |
5e3dd157 | 3031 | |
96d828d4 MK |
3032 | WARN_ON(reason >= BITS_PER_LONG); |
3033 | arvif->tx_paused |= BIT(reason); | |
3034 | ieee80211_stop_queue(ar->hw, arvif->vdev_id); | |
3035 | } | |
3036 | ||
3037 | void ath10k_mac_vif_tx_unlock(struct ath10k_vif *arvif, int reason) | |
3038 | { | |
3039 | struct ath10k *ar = arvif->ar; | |
3040 | ||
3041 | lockdep_assert_held(&ar->htt.tx_lock); | |
3042 | ||
3043 | WARN_ON(reason >= BITS_PER_LONG); | |
3044 | arvif->tx_paused &= ~BIT(reason); | |
3045 | ||
3046 | if (ar->tx_paused) | |
3047 | return; | |
3048 | ||
3049 | if (arvif->tx_paused) | |
3050 | return; | |
3051 | ||
3052 | ieee80211_wake_queue(ar->hw, arvif->vdev_id); | |
3053 | } | |
3054 | ||
b4aa539d MK |
3055 | static void ath10k_mac_vif_handle_tx_pause(struct ath10k_vif *arvif, |
3056 | enum wmi_tlv_tx_pause_id pause_id, | |
3057 | enum wmi_tlv_tx_pause_action action) | |
3058 | { | |
3059 | struct ath10k *ar = arvif->ar; | |
3060 | ||
3061 | lockdep_assert_held(&ar->htt.tx_lock); | |
3062 | ||
acd0b27b MK |
3063 | switch (action) { |
3064 | case WMI_TLV_TX_PAUSE_ACTION_STOP: | |
3065 | ath10k_mac_vif_tx_lock(arvif, pause_id); | |
3066 | break; | |
3067 | case WMI_TLV_TX_PAUSE_ACTION_WAKE: | |
3068 | ath10k_mac_vif_tx_unlock(arvif, pause_id); | |
b4aa539d | 3069 | break; |
b4aa539d | 3070 | default: |
acd0b27b MK |
3071 | ath10k_warn(ar, "received unknown tx pause action %d on vdev %i, ignoring\n", |
3072 | action, arvif->vdev_id); | |
b4aa539d MK |
3073 | break; |
3074 | } | |
3075 | } | |
3076 | ||
3077 | struct ath10k_mac_tx_pause { | |
3078 | u32 vdev_id; | |
3079 | enum wmi_tlv_tx_pause_id pause_id; | |
3080 | enum wmi_tlv_tx_pause_action action; | |
3081 | }; | |
3082 | ||
3083 | static void ath10k_mac_handle_tx_pause_iter(void *data, u8 *mac, | |
3084 | struct ieee80211_vif *vif) | |
3085 | { | |
3086 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
3087 | struct ath10k_mac_tx_pause *arg = data; | |
3088 | ||
acd0b27b MK |
3089 | if (arvif->vdev_id != arg->vdev_id) |
3090 | return; | |
3091 | ||
b4aa539d MK |
3092 | ath10k_mac_vif_handle_tx_pause(arvif, arg->pause_id, arg->action); |
3093 | } | |
3094 | ||
acd0b27b MK |
3095 | void ath10k_mac_handle_tx_pause_vdev(struct ath10k *ar, u32 vdev_id, |
3096 | enum wmi_tlv_tx_pause_id pause_id, | |
3097 | enum wmi_tlv_tx_pause_action action) | |
b4aa539d MK |
3098 | { |
3099 | struct ath10k_mac_tx_pause arg = { | |
3100 | .vdev_id = vdev_id, | |
3101 | .pause_id = pause_id, | |
3102 | .action = action, | |
3103 | }; | |
3104 | ||
3105 | spin_lock_bh(&ar->htt.tx_lock); | |
3106 | ieee80211_iterate_active_interfaces_atomic(ar->hw, | |
3107 | IEEE80211_IFACE_ITER_RESUME_ALL, | |
3108 | ath10k_mac_handle_tx_pause_iter, | |
3109 | &arg); | |
3110 | spin_unlock_bh(&ar->htt.tx_lock); | |
3111 | } | |
3112 | ||
42c3aa6f MK |
3113 | static u8 ath10k_tx_h_get_tid(struct ieee80211_hdr *hdr) |
3114 | { | |
3115 | if (ieee80211_is_mgmt(hdr->frame_control)) | |
3116 | return HTT_DATA_TX_EXT_TID_MGMT; | |
3117 | ||
3118 | if (!ieee80211_is_data_qos(hdr->frame_control)) | |
3119 | return HTT_DATA_TX_EXT_TID_NON_QOS_MCAST_BCAST; | |
3120 | ||
3121 | if (!is_unicast_ether_addr(ieee80211_get_DA(hdr))) | |
3122 | return HTT_DATA_TX_EXT_TID_NON_QOS_MCAST_BCAST; | |
3123 | ||
3124 | return ieee80211_get_qos_ctl(hdr)[0] & IEEE80211_QOS_CTL_TID_MASK; | |
3125 | } | |
3126 | ||
2b37c295 | 3127 | static u8 ath10k_tx_h_get_vdev_id(struct ath10k *ar, struct ieee80211_vif *vif) |
ddb6ad77 | 3128 | { |
2b37c295 MK |
3129 | if (vif) |
3130 | return ath10k_vif_to_arvif(vif)->vdev_id; | |
ddb6ad77 | 3131 | |
1bbc0975 | 3132 | if (ar->monitor_started) |
ddb6ad77 MK |
3133 | return ar->monitor_vdev_id; |
3134 | ||
7aa7a72a | 3135 | ath10k_warn(ar, "failed to resolve vdev id\n"); |
ddb6ad77 MK |
3136 | return 0; |
3137 | } | |
3138 | ||
d740d8fd MK |
3139 | static enum ath10k_hw_txrx_mode |
3140 | ath10k_tx_h_get_txmode(struct ath10k *ar, struct ieee80211_vif *vif, | |
75d85fd9 | 3141 | struct ieee80211_sta *sta, struct sk_buff *skb) |
d740d8fd MK |
3142 | { |
3143 | const struct ieee80211_hdr *hdr = (void *)skb->data; | |
3144 | __le16 fc = hdr->frame_control; | |
3145 | ||
3146 | if (!vif || vif->type == NL80211_IFTYPE_MONITOR) | |
3147 | return ATH10K_HW_TXRX_RAW; | |
3148 | ||
3149 | if (ieee80211_is_mgmt(fc)) | |
3150 | return ATH10K_HW_TXRX_MGMT; | |
3151 | ||
3152 | /* Workaround: | |
3153 | * | |
3154 | * NullFunc frames are mostly used to ping if a client or AP are still | |
3155 | * reachable and responsive. This implies tx status reports must be | |
3156 | * accurate - otherwise either mac80211 or userspace (e.g. hostapd) can | |
3157 | * come to a conclusion that the other end disappeared and tear down | |
3158 | * BSS connection or it can never disconnect from BSS/client (which is | |
3159 | * the case). | |
3160 | * | |
3161 | * Firmware with HTT older than 3.0 delivers incorrect tx status for | |
3162 | * NullFunc frames to driver. However there's a HTT Mgmt Tx command | |
3163 | * which seems to deliver correct tx reports for NullFunc frames. The | |
3164 | * downside of using it is it ignores client powersave state so it can | |
3165 | * end up disconnecting sleeping clients in AP mode. It should fix STA | |
3166 | * mode though because AP don't sleep. | |
3167 | */ | |
3168 | if (ar->htt.target_version_major < 3 && | |
3169 | (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc)) && | |
3170 | !test_bit(ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX, ar->fw_features)) | |
3171 | return ATH10K_HW_TXRX_MGMT; | |
3172 | ||
75d85fd9 MP |
3173 | /* Workaround: |
3174 | * | |
3175 | * Some wmi-tlv firmwares for qca6174 have broken Tx key selection for | |
3176 | * NativeWifi txmode - it selects AP key instead of peer key. It seems | |
3177 | * to work with Ethernet txmode so use it. | |
ccec9038 DL |
3178 | * |
3179 | * FIXME: Check if raw mode works with TDLS. | |
75d85fd9 MP |
3180 | */ |
3181 | if (ieee80211_is_data_present(fc) && sta && sta->tdls) | |
3182 | return ATH10K_HW_TXRX_ETHERNET; | |
3183 | ||
ccec9038 DL |
3184 | if (test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) |
3185 | return ATH10K_HW_TXRX_RAW; | |
3186 | ||
d740d8fd MK |
3187 | return ATH10K_HW_TXRX_NATIVE_WIFI; |
3188 | } | |
3189 | ||
ccec9038 DL |
3190 | static bool ath10k_tx_h_use_hwcrypto(struct ieee80211_vif *vif, |
3191 | struct sk_buff *skb) { | |
3192 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); | |
3193 | const u32 mask = IEEE80211_TX_INTFL_DONT_ENCRYPT | | |
3194 | IEEE80211_TX_CTL_INJECTED; | |
3195 | if ((info->flags & mask) == mask) | |
3196 | return false; | |
3197 | if (vif) | |
3198 | return !ath10k_vif_to_arvif(vif)->nohwcrypt; | |
3199 | return true; | |
3200 | } | |
3201 | ||
4b604558 MK |
3202 | /* HTT Tx uses Native Wifi tx mode which expects 802.11 frames without QoS |
3203 | * Control in the header. | |
5e3dd157 | 3204 | */ |
4b604558 | 3205 | static void ath10k_tx_h_nwifi(struct ieee80211_hw *hw, struct sk_buff *skb) |
5e3dd157 KV |
3206 | { |
3207 | struct ieee80211_hdr *hdr = (void *)skb->data; | |
c21c64d1 | 3208 | struct ath10k_skb_cb *cb = ATH10K_SKB_CB(skb); |
5e3dd157 KV |
3209 | u8 *qos_ctl; |
3210 | ||
3211 | if (!ieee80211_is_data_qos(hdr->frame_control)) | |
3212 | return; | |
3213 | ||
3214 | qos_ctl = ieee80211_get_qos_ctl(hdr); | |
ba0ccd7a MK |
3215 | memmove(skb->data + IEEE80211_QOS_CTL_LEN, |
3216 | skb->data, (void *)qos_ctl - (void *)skb->data); | |
3217 | skb_pull(skb, IEEE80211_QOS_CTL_LEN); | |
c21c64d1 | 3218 | |
8bad8dcd MK |
3219 | /* Some firmware revisions don't handle sending QoS NullFunc well. |
3220 | * These frames are mainly used for CQM purposes so it doesn't really | |
3221 | * matter whether QoS NullFunc or NullFunc are sent. | |
c21c64d1 | 3222 | */ |
bf0a26d3 | 3223 | hdr = (void *)skb->data; |
8bad8dcd | 3224 | if (ieee80211_is_qos_nullfunc(hdr->frame_control)) |
c21c64d1 | 3225 | cb->htt.tid = HTT_DATA_TX_EXT_TID_NON_QOS_MCAST_BCAST; |
8bad8dcd MK |
3226 | |
3227 | hdr->frame_control &= ~__cpu_to_le16(IEEE80211_STYPE_QOS_DATA); | |
5e3dd157 KV |
3228 | } |
3229 | ||
d740d8fd MK |
3230 | static void ath10k_tx_h_8023(struct sk_buff *skb) |
3231 | { | |
3232 | struct ieee80211_hdr *hdr; | |
3233 | struct rfc1042_hdr *rfc1042; | |
3234 | struct ethhdr *eth; | |
3235 | size_t hdrlen; | |
3236 | u8 da[ETH_ALEN]; | |
3237 | u8 sa[ETH_ALEN]; | |
3238 | __be16 type; | |
3239 | ||
3240 | hdr = (void *)skb->data; | |
3241 | hdrlen = ieee80211_hdrlen(hdr->frame_control); | |
3242 | rfc1042 = (void *)skb->data + hdrlen; | |
3243 | ||
3244 | ether_addr_copy(da, ieee80211_get_DA(hdr)); | |
3245 | ether_addr_copy(sa, ieee80211_get_SA(hdr)); | |
3246 | type = rfc1042->snap_type; | |
3247 | ||
3248 | skb_pull(skb, hdrlen + sizeof(*rfc1042)); | |
3249 | skb_push(skb, sizeof(*eth)); | |
3250 | ||
3251 | eth = (void *)skb->data; | |
3252 | ether_addr_copy(eth->h_dest, da); | |
3253 | ether_addr_copy(eth->h_source, sa); | |
3254 | eth->h_proto = type; | |
5e3dd157 KV |
3255 | } |
3256 | ||
4b604558 MK |
3257 | static void ath10k_tx_h_add_p2p_noa_ie(struct ath10k *ar, |
3258 | struct ieee80211_vif *vif, | |
3259 | struct sk_buff *skb) | |
5e3dd157 KV |
3260 | { |
3261 | struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; | |
5e3dd157 KV |
3262 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); |
3263 | ||
3264 | /* This is case only for P2P_GO */ | |
3265 | if (arvif->vdev_type != WMI_VDEV_TYPE_AP || | |
3266 | arvif->vdev_subtype != WMI_VDEV_SUBTYPE_P2P_GO) | |
3267 | return; | |
3268 | ||
3269 | if (unlikely(ieee80211_is_probe_resp(hdr->frame_control))) { | |
3270 | spin_lock_bh(&ar->data_lock); | |
3271 | if (arvif->u.ap.noa_data) | |
3272 | if (!pskb_expand_head(skb, 0, arvif->u.ap.noa_len, | |
3273 | GFP_ATOMIC)) | |
3274 | memcpy(skb_put(skb, arvif->u.ap.noa_len), | |
3275 | arvif->u.ap.noa_data, | |
3276 | arvif->u.ap.noa_len); | |
3277 | spin_unlock_bh(&ar->data_lock); | |
3278 | } | |
3279 | } | |
3280 | ||
8d6d3624 MK |
3281 | static bool ath10k_mac_need_offchan_tx_work(struct ath10k *ar) |
3282 | { | |
3283 | /* FIXME: Not really sure since when the behaviour changed. At some | |
3284 | * point new firmware stopped requiring creation of peer entries for | |
3285 | * offchannel tx (and actually creating them causes issues with wmi-htc | |
3286 | * tx credit replenishment and reliability). Assuming it's at least 3.4 | |
3287 | * because that's when the `freq` was introduced to TX_FRM HTT command. | |
3288 | */ | |
3289 | return !(ar->htt.target_version_major >= 3 && | |
3290 | ar->htt.target_version_minor >= 4); | |
3291 | } | |
3292 | ||
d740d8fd | 3293 | static int ath10k_mac_tx_wmi_mgmt(struct ath10k *ar, struct sk_buff *skb) |
5e3dd157 | 3294 | { |
d740d8fd | 3295 | struct sk_buff_head *q = &ar->wmi_mgmt_tx_queue; |
5e00d31a | 3296 | int ret = 0; |
5e3dd157 | 3297 | |
d740d8fd MK |
3298 | spin_lock_bh(&ar->data_lock); |
3299 | ||
3300 | if (skb_queue_len(q) == ATH10K_MAX_NUM_MGMT_PENDING) { | |
3301 | ath10k_warn(ar, "wmi mgmt tx queue is full\n"); | |
3302 | ret = -ENOSPC; | |
3303 | goto unlock; | |
961d4c38 MK |
3304 | } |
3305 | ||
d740d8fd MK |
3306 | __skb_queue_tail(q, skb); |
3307 | ieee80211_queue_work(ar->hw, &ar->wmi_mgmt_tx_work); | |
5e00d31a | 3308 | |
d740d8fd MK |
3309 | unlock: |
3310 | spin_unlock_bh(&ar->data_lock); | |
3311 | ||
3312 | return ret; | |
3313 | } | |
3314 | ||
3315 | static void ath10k_mac_tx(struct ath10k *ar, struct sk_buff *skb) | |
3316 | { | |
3317 | struct ath10k_skb_cb *cb = ATH10K_SKB_CB(skb); | |
3318 | struct ath10k_htt *htt = &ar->htt; | |
3319 | int ret = 0; | |
3320 | ||
3321 | switch (cb->txmode) { | |
3322 | case ATH10K_HW_TXRX_RAW: | |
3323 | case ATH10K_HW_TXRX_NATIVE_WIFI: | |
3324 | case ATH10K_HW_TXRX_ETHERNET: | |
3325 | ret = ath10k_htt_tx(htt, skb); | |
3326 | break; | |
3327 | case ATH10K_HW_TXRX_MGMT: | |
3328 | if (test_bit(ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX, | |
3329 | ar->fw_features)) | |
3330 | ret = ath10k_mac_tx_wmi_mgmt(ar, skb); | |
3331 | else if (ar->htt.target_version_major >= 3) | |
3332 | ret = ath10k_htt_tx(htt, skb); | |
3333 | else | |
3334 | ret = ath10k_htt_mgmt_tx(htt, skb); | |
3335 | break; | |
5e00d31a | 3336 | } |
5e3dd157 KV |
3337 | |
3338 | if (ret) { | |
7aa7a72a MK |
3339 | ath10k_warn(ar, "failed to transmit packet, dropping: %d\n", |
3340 | ret); | |
5e3dd157 KV |
3341 | ieee80211_free_txskb(ar->hw, skb); |
3342 | } | |
3343 | } | |
3344 | ||
3345 | void ath10k_offchan_tx_purge(struct ath10k *ar) | |
3346 | { | |
3347 | struct sk_buff *skb; | |
3348 | ||
3349 | for (;;) { | |
3350 | skb = skb_dequeue(&ar->offchan_tx_queue); | |
3351 | if (!skb) | |
3352 | break; | |
3353 | ||
3354 | ieee80211_free_txskb(ar->hw, skb); | |
3355 | } | |
3356 | } | |
3357 | ||
3358 | void ath10k_offchan_tx_work(struct work_struct *work) | |
3359 | { | |
3360 | struct ath10k *ar = container_of(work, struct ath10k, offchan_tx_work); | |
3361 | struct ath10k_peer *peer; | |
3362 | struct ieee80211_hdr *hdr; | |
3363 | struct sk_buff *skb; | |
3364 | const u8 *peer_addr; | |
3365 | int vdev_id; | |
3366 | int ret; | |
8e9904f5 | 3367 | unsigned long time_left; |
adaeed74 | 3368 | bool tmp_peer_created = false; |
5e3dd157 KV |
3369 | |
3370 | /* FW requirement: We must create a peer before FW will send out | |
3371 | * an offchannel frame. Otherwise the frame will be stuck and | |
3372 | * never transmitted. We delete the peer upon tx completion. | |
3373 | * It is unlikely that a peer for offchannel tx will already be | |
3374 | * present. However it may be in some rare cases so account for that. | |
3375 | * Otherwise we might remove a legitimate peer and break stuff. */ | |
3376 | ||
3377 | for (;;) { | |
3378 | skb = skb_dequeue(&ar->offchan_tx_queue); | |
3379 | if (!skb) | |
3380 | break; | |
3381 | ||
3382 | mutex_lock(&ar->conf_mutex); | |
3383 | ||
7aa7a72a | 3384 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac offchannel skb %p\n", |
5e3dd157 KV |
3385 | skb); |
3386 | ||
3387 | hdr = (struct ieee80211_hdr *)skb->data; | |
3388 | peer_addr = ieee80211_get_DA(hdr); | |
5e00d31a | 3389 | vdev_id = ATH10K_SKB_CB(skb)->vdev_id; |
5e3dd157 KV |
3390 | |
3391 | spin_lock_bh(&ar->data_lock); | |
3392 | peer = ath10k_peer_find(ar, vdev_id, peer_addr); | |
3393 | spin_unlock_bh(&ar->data_lock); | |
3394 | ||
3395 | if (peer) | |
60c3daa8 | 3396 | /* FIXME: should this use ath10k_warn()? */ |
7aa7a72a | 3397 | ath10k_dbg(ar, ATH10K_DBG_MAC, "peer %pM on vdev %d already present\n", |
5e3dd157 KV |
3398 | peer_addr, vdev_id); |
3399 | ||
3400 | if (!peer) { | |
7390ed34 MP |
3401 | ret = ath10k_peer_create(ar, vdev_id, peer_addr, |
3402 | WMI_PEER_TYPE_DEFAULT); | |
5e3dd157 | 3403 | if (ret) |
7aa7a72a | 3404 | ath10k_warn(ar, "failed to create peer %pM on vdev %d: %d\n", |
5e3dd157 | 3405 | peer_addr, vdev_id, ret); |
adaeed74 | 3406 | tmp_peer_created = (ret == 0); |
5e3dd157 KV |
3407 | } |
3408 | ||
3409 | spin_lock_bh(&ar->data_lock); | |
16735d02 | 3410 | reinit_completion(&ar->offchan_tx_completed); |
5e3dd157 KV |
3411 | ar->offchan_tx_skb = skb; |
3412 | spin_unlock_bh(&ar->data_lock); | |
3413 | ||
d740d8fd | 3414 | ath10k_mac_tx(ar, skb); |
5e3dd157 | 3415 | |
8e9904f5 NMG |
3416 | time_left = |
3417 | wait_for_completion_timeout(&ar->offchan_tx_completed, 3 * HZ); | |
3418 | if (time_left == 0) | |
7aa7a72a | 3419 | ath10k_warn(ar, "timed out waiting for offchannel skb %p\n", |
5e3dd157 KV |
3420 | skb); |
3421 | ||
adaeed74 | 3422 | if (!peer && tmp_peer_created) { |
5e3dd157 KV |
3423 | ret = ath10k_peer_delete(ar, vdev_id, peer_addr); |
3424 | if (ret) | |
7aa7a72a | 3425 | ath10k_warn(ar, "failed to delete peer %pM on vdev %d: %d\n", |
5e3dd157 KV |
3426 | peer_addr, vdev_id, ret); |
3427 | } | |
3428 | ||
3429 | mutex_unlock(&ar->conf_mutex); | |
3430 | } | |
3431 | } | |
3432 | ||
5e00d31a BM |
3433 | void ath10k_mgmt_over_wmi_tx_purge(struct ath10k *ar) |
3434 | { | |
3435 | struct sk_buff *skb; | |
3436 | ||
3437 | for (;;) { | |
3438 | skb = skb_dequeue(&ar->wmi_mgmt_tx_queue); | |
3439 | if (!skb) | |
3440 | break; | |
3441 | ||
3442 | ieee80211_free_txskb(ar->hw, skb); | |
3443 | } | |
3444 | } | |
3445 | ||
3446 | void ath10k_mgmt_over_wmi_tx_work(struct work_struct *work) | |
3447 | { | |
3448 | struct ath10k *ar = container_of(work, struct ath10k, wmi_mgmt_tx_work); | |
3449 | struct sk_buff *skb; | |
3450 | int ret; | |
3451 | ||
3452 | for (;;) { | |
3453 | skb = skb_dequeue(&ar->wmi_mgmt_tx_queue); | |
3454 | if (!skb) | |
3455 | break; | |
3456 | ||
3457 | ret = ath10k_wmi_mgmt_tx(ar, skb); | |
5fb5e41f | 3458 | if (ret) { |
7aa7a72a | 3459 | ath10k_warn(ar, "failed to transmit management frame via WMI: %d\n", |
be6546fc | 3460 | ret); |
5fb5e41f MK |
3461 | ieee80211_free_txskb(ar->hw, skb); |
3462 | } | |
5e00d31a BM |
3463 | } |
3464 | } | |
3465 | ||
5e3dd157 KV |
3466 | /************/ |
3467 | /* Scanning */ | |
3468 | /************/ | |
3469 | ||
5c81c7fd | 3470 | void __ath10k_scan_finish(struct ath10k *ar) |
5e3dd157 | 3471 | { |
5c81c7fd | 3472 | lockdep_assert_held(&ar->data_lock); |
5e3dd157 | 3473 | |
5c81c7fd MK |
3474 | switch (ar->scan.state) { |
3475 | case ATH10K_SCAN_IDLE: | |
3476 | break; | |
3477 | case ATH10K_SCAN_RUNNING: | |
7305d3e0 MK |
3478 | case ATH10K_SCAN_ABORTING: |
3479 | if (!ar->scan.is_roc) | |
5c81c7fd MK |
3480 | ieee80211_scan_completed(ar->hw, |
3481 | (ar->scan.state == | |
3482 | ATH10K_SCAN_ABORTING)); | |
d710e75d MK |
3483 | else if (ar->scan.roc_notify) |
3484 | ieee80211_remain_on_channel_expired(ar->hw); | |
5c81c7fd MK |
3485 | /* fall through */ |
3486 | case ATH10K_SCAN_STARTING: | |
3487 | ar->scan.state = ATH10K_SCAN_IDLE; | |
3488 | ar->scan_channel = NULL; | |
3489 | ath10k_offchan_tx_purge(ar); | |
3490 | cancel_delayed_work(&ar->scan.timeout); | |
3491 | complete_all(&ar->scan.completed); | |
3492 | break; | |
5e3dd157 | 3493 | } |
5c81c7fd | 3494 | } |
5e3dd157 | 3495 | |
5c81c7fd MK |
3496 | void ath10k_scan_finish(struct ath10k *ar) |
3497 | { | |
3498 | spin_lock_bh(&ar->data_lock); | |
3499 | __ath10k_scan_finish(ar); | |
5e3dd157 KV |
3500 | spin_unlock_bh(&ar->data_lock); |
3501 | } | |
3502 | ||
5c81c7fd | 3503 | static int ath10k_scan_stop(struct ath10k *ar) |
5e3dd157 KV |
3504 | { |
3505 | struct wmi_stop_scan_arg arg = { | |
3506 | .req_id = 1, /* FIXME */ | |
3507 | .req_type = WMI_SCAN_STOP_ONE, | |
3508 | .u.scan_id = ATH10K_SCAN_ID, | |
3509 | }; | |
3510 | int ret; | |
3511 | ||
3512 | lockdep_assert_held(&ar->conf_mutex); | |
3513 | ||
5e3dd157 KV |
3514 | ret = ath10k_wmi_stop_scan(ar, &arg); |
3515 | if (ret) { | |
7aa7a72a | 3516 | ath10k_warn(ar, "failed to stop wmi scan: %d\n", ret); |
5c81c7fd | 3517 | goto out; |
5e3dd157 KV |
3518 | } |
3519 | ||
5e3dd157 | 3520 | ret = wait_for_completion_timeout(&ar->scan.completed, 3*HZ); |
5c81c7fd | 3521 | if (ret == 0) { |
7aa7a72a | 3522 | ath10k_warn(ar, "failed to receive scan abortion completion: timed out\n"); |
5c81c7fd MK |
3523 | ret = -ETIMEDOUT; |
3524 | } else if (ret > 0) { | |
3525 | ret = 0; | |
3526 | } | |
5e3dd157 | 3527 | |
5c81c7fd MK |
3528 | out: |
3529 | /* Scan state should be updated upon scan completion but in case | |
3530 | * firmware fails to deliver the event (for whatever reason) it is | |
3531 | * desired to clean up scan state anyway. Firmware may have just | |
3532 | * dropped the scan completion event delivery due to transport pipe | |
3533 | * being overflown with data and/or it can recover on its own before | |
3534 | * next scan request is submitted. | |
3535 | */ | |
3536 | spin_lock_bh(&ar->data_lock); | |
3537 | if (ar->scan.state != ATH10K_SCAN_IDLE) | |
3538 | __ath10k_scan_finish(ar); | |
3539 | spin_unlock_bh(&ar->data_lock); | |
3540 | ||
3541 | return ret; | |
3542 | } | |
3543 | ||
3544 | static void ath10k_scan_abort(struct ath10k *ar) | |
3545 | { | |
3546 | int ret; | |
3547 | ||
3548 | lockdep_assert_held(&ar->conf_mutex); | |
5e3dd157 KV |
3549 | |
3550 | spin_lock_bh(&ar->data_lock); | |
5c81c7fd MK |
3551 | |
3552 | switch (ar->scan.state) { | |
3553 | case ATH10K_SCAN_IDLE: | |
3554 | /* This can happen if timeout worker kicked in and called | |
3555 | * abortion while scan completion was being processed. | |
3556 | */ | |
3557 | break; | |
3558 | case ATH10K_SCAN_STARTING: | |
3559 | case ATH10K_SCAN_ABORTING: | |
7aa7a72a | 3560 | ath10k_warn(ar, "refusing scan abortion due to invalid scan state: %s (%d)\n", |
5c81c7fd MK |
3561 | ath10k_scan_state_str(ar->scan.state), |
3562 | ar->scan.state); | |
3563 | break; | |
3564 | case ATH10K_SCAN_RUNNING: | |
3565 | ar->scan.state = ATH10K_SCAN_ABORTING; | |
3566 | spin_unlock_bh(&ar->data_lock); | |
3567 | ||
3568 | ret = ath10k_scan_stop(ar); | |
3569 | if (ret) | |
7aa7a72a | 3570 | ath10k_warn(ar, "failed to abort scan: %d\n", ret); |
5c81c7fd MK |
3571 | |
3572 | spin_lock_bh(&ar->data_lock); | |
3573 | break; | |
5e3dd157 | 3574 | } |
5c81c7fd | 3575 | |
5e3dd157 | 3576 | spin_unlock_bh(&ar->data_lock); |
5c81c7fd | 3577 | } |
5e3dd157 | 3578 | |
5c81c7fd MK |
3579 | void ath10k_scan_timeout_work(struct work_struct *work) |
3580 | { | |
3581 | struct ath10k *ar = container_of(work, struct ath10k, | |
3582 | scan.timeout.work); | |
3583 | ||
3584 | mutex_lock(&ar->conf_mutex); | |
3585 | ath10k_scan_abort(ar); | |
3586 | mutex_unlock(&ar->conf_mutex); | |
5e3dd157 KV |
3587 | } |
3588 | ||
3589 | static int ath10k_start_scan(struct ath10k *ar, | |
3590 | const struct wmi_start_scan_arg *arg) | |
3591 | { | |
3592 | int ret; | |
3593 | ||
3594 | lockdep_assert_held(&ar->conf_mutex); | |
3595 | ||
3596 | ret = ath10k_wmi_start_scan(ar, arg); | |
3597 | if (ret) | |
3598 | return ret; | |
3599 | ||
5e3dd157 KV |
3600 | ret = wait_for_completion_timeout(&ar->scan.started, 1*HZ); |
3601 | if (ret == 0) { | |
5c81c7fd MK |
3602 | ret = ath10k_scan_stop(ar); |
3603 | if (ret) | |
7aa7a72a | 3604 | ath10k_warn(ar, "failed to stop scan: %d\n", ret); |
5c81c7fd MK |
3605 | |
3606 | return -ETIMEDOUT; | |
5e3dd157 KV |
3607 | } |
3608 | ||
2f9eec0b BG |
3609 | /* If we failed to start the scan, return error code at |
3610 | * this point. This is probably due to some issue in the | |
3611 | * firmware, but no need to wedge the driver due to that... | |
3612 | */ | |
3613 | spin_lock_bh(&ar->data_lock); | |
3614 | if (ar->scan.state == ATH10K_SCAN_IDLE) { | |
3615 | spin_unlock_bh(&ar->data_lock); | |
3616 | return -EINVAL; | |
3617 | } | |
3618 | spin_unlock_bh(&ar->data_lock); | |
3619 | ||
5c81c7fd MK |
3620 | /* Add a 200ms margin to account for event/command processing */ |
3621 | ieee80211_queue_delayed_work(ar->hw, &ar->scan.timeout, | |
3622 | msecs_to_jiffies(arg->max_scan_time+200)); | |
5e3dd157 KV |
3623 | return 0; |
3624 | } | |
3625 | ||
3626 | /**********************/ | |
3627 | /* mac80211 callbacks */ | |
3628 | /**********************/ | |
3629 | ||
3630 | static void ath10k_tx(struct ieee80211_hw *hw, | |
3631 | struct ieee80211_tx_control *control, | |
3632 | struct sk_buff *skb) | |
3633 | { | |
4b604558 | 3634 | struct ath10k *ar = hw->priv; |
5e3dd157 | 3635 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); |
4b604558 | 3636 | struct ieee80211_vif *vif = info->control.vif; |
75d85fd9 | 3637 | struct ieee80211_sta *sta = control->sta; |
5e3dd157 | 3638 | struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; |
d740d8fd | 3639 | __le16 fc = hdr->frame_control; |
5e3dd157 KV |
3640 | |
3641 | /* We should disable CCK RATE due to P2P */ | |
3642 | if (info->flags & IEEE80211_TX_CTL_NO_CCK_RATE) | |
7aa7a72a | 3643 | ath10k_dbg(ar, ATH10K_DBG_MAC, "IEEE80211_TX_CTL_NO_CCK_RATE\n"); |
5e3dd157 | 3644 | |
4b604558 | 3645 | ATH10K_SKB_CB(skb)->htt.is_offchan = false; |
6fcafef7 | 3646 | ATH10K_SKB_CB(skb)->htt.freq = 0; |
4b604558 | 3647 | ATH10K_SKB_CB(skb)->htt.tid = ath10k_tx_h_get_tid(hdr); |
ccec9038 | 3648 | ATH10K_SKB_CB(skb)->htt.nohwcrypt = !ath10k_tx_h_use_hwcrypto(vif, skb); |
2b37c295 | 3649 | ATH10K_SKB_CB(skb)->vdev_id = ath10k_tx_h_get_vdev_id(ar, vif); |
75d85fd9 | 3650 | ATH10K_SKB_CB(skb)->txmode = ath10k_tx_h_get_txmode(ar, vif, sta, skb); |
d740d8fd | 3651 | ATH10K_SKB_CB(skb)->is_protected = ieee80211_has_protected(fc); |
5e3dd157 | 3652 | |
d740d8fd MK |
3653 | switch (ATH10K_SKB_CB(skb)->txmode) { |
3654 | case ATH10K_HW_TXRX_MGMT: | |
3655 | case ATH10K_HW_TXRX_NATIVE_WIFI: | |
4b604558 | 3656 | ath10k_tx_h_nwifi(hw, skb); |
4b604558 MK |
3657 | ath10k_tx_h_add_p2p_noa_ie(ar, vif, skb); |
3658 | ath10k_tx_h_seq_no(vif, skb); | |
d740d8fd MK |
3659 | break; |
3660 | case ATH10K_HW_TXRX_ETHERNET: | |
3661 | ath10k_tx_h_8023(skb); | |
3662 | break; | |
3663 | case ATH10K_HW_TXRX_RAW: | |
ccec9038 DL |
3664 | if (!test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) { |
3665 | WARN_ON_ONCE(1); | |
3666 | ieee80211_free_txskb(hw, skb); | |
3667 | return; | |
3668 | } | |
cf84bd4d | 3669 | } |
5e3dd157 | 3670 | |
5e3dd157 KV |
3671 | if (info->flags & IEEE80211_TX_CTL_TX_OFFCHAN) { |
3672 | spin_lock_bh(&ar->data_lock); | |
8d6d3624 | 3673 | ATH10K_SKB_CB(skb)->htt.freq = ar->scan.roc_freq; |
5e00d31a | 3674 | ATH10K_SKB_CB(skb)->vdev_id = ar->scan.vdev_id; |
5e3dd157 KV |
3675 | spin_unlock_bh(&ar->data_lock); |
3676 | ||
8d6d3624 MK |
3677 | if (ath10k_mac_need_offchan_tx_work(ar)) { |
3678 | ATH10K_SKB_CB(skb)->htt.freq = 0; | |
3679 | ATH10K_SKB_CB(skb)->htt.is_offchan = true; | |
5e3dd157 | 3680 | |
8d6d3624 MK |
3681 | ath10k_dbg(ar, ATH10K_DBG_MAC, "queued offchannel skb %p\n", |
3682 | skb); | |
3683 | ||
3684 | skb_queue_tail(&ar->offchan_tx_queue, skb); | |
3685 | ieee80211_queue_work(hw, &ar->offchan_tx_work); | |
3686 | return; | |
3687 | } | |
5e3dd157 KV |
3688 | } |
3689 | ||
d740d8fd | 3690 | ath10k_mac_tx(ar, skb); |
5e3dd157 KV |
3691 | } |
3692 | ||
bca7bafb | 3693 | /* Must not be called with conf_mutex held as workers can use that also. */ |
7962b0d8 | 3694 | void ath10k_drain_tx(struct ath10k *ar) |
bca7bafb MK |
3695 | { |
3696 | /* make sure rcu-protected mac80211 tx path itself is drained */ | |
3697 | synchronize_net(); | |
3698 | ||
3699 | ath10k_offchan_tx_purge(ar); | |
3700 | ath10k_mgmt_over_wmi_tx_purge(ar); | |
3701 | ||
3702 | cancel_work_sync(&ar->offchan_tx_work); | |
3703 | cancel_work_sync(&ar->wmi_mgmt_tx_work); | |
3704 | } | |
3705 | ||
affd3217 | 3706 | void ath10k_halt(struct ath10k *ar) |
818bdd16 | 3707 | { |
d9bc4b9b MK |
3708 | struct ath10k_vif *arvif; |
3709 | ||
818bdd16 MK |
3710 | lockdep_assert_held(&ar->conf_mutex); |
3711 | ||
1933747f MK |
3712 | clear_bit(ATH10K_CAC_RUNNING, &ar->dev_flags); |
3713 | ar->filter_flags = 0; | |
3714 | ar->monitor = false; | |
500ff9f9 | 3715 | ar->monitor_arvif = NULL; |
1933747f MK |
3716 | |
3717 | if (ar->monitor_started) | |
1bbc0975 | 3718 | ath10k_monitor_stop(ar); |
1933747f MK |
3719 | |
3720 | ar->monitor_started = false; | |
96d828d4 | 3721 | ar->tx_paused = 0; |
1bbc0975 | 3722 | |
5c81c7fd | 3723 | ath10k_scan_finish(ar); |
818bdd16 MK |
3724 | ath10k_peer_cleanup_all(ar); |
3725 | ath10k_core_stop(ar); | |
3726 | ath10k_hif_power_down(ar); | |
3727 | ||
3728 | spin_lock_bh(&ar->data_lock); | |
64badcb6 MK |
3729 | list_for_each_entry(arvif, &ar->arvifs, list) |
3730 | ath10k_mac_vif_beacon_cleanup(arvif); | |
818bdd16 MK |
3731 | spin_unlock_bh(&ar->data_lock); |
3732 | } | |
3733 | ||
46acf7bb BG |
3734 | static int ath10k_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant) |
3735 | { | |
3736 | struct ath10k *ar = hw->priv; | |
3737 | ||
3738 | mutex_lock(&ar->conf_mutex); | |
3739 | ||
3740 | if (ar->cfg_tx_chainmask) { | |
3741 | *tx_ant = ar->cfg_tx_chainmask; | |
3742 | *rx_ant = ar->cfg_rx_chainmask; | |
3743 | } else { | |
3744 | *tx_ant = ar->supp_tx_chainmask; | |
3745 | *rx_ant = ar->supp_rx_chainmask; | |
3746 | } | |
3747 | ||
3748 | mutex_unlock(&ar->conf_mutex); | |
3749 | ||
3750 | return 0; | |
3751 | } | |
3752 | ||
5572a95b BG |
3753 | static void ath10k_check_chain_mask(struct ath10k *ar, u32 cm, const char *dbg) |
3754 | { | |
3755 | /* It is not clear that allowing gaps in chainmask | |
3756 | * is helpful. Probably it will not do what user | |
3757 | * is hoping for, so warn in that case. | |
3758 | */ | |
3759 | if (cm == 15 || cm == 7 || cm == 3 || cm == 1 || cm == 0) | |
3760 | return; | |
3761 | ||
3762 | ath10k_warn(ar, "mac %s antenna chainmask may be invalid: 0x%x. Suggested values: 15, 7, 3, 1 or 0.\n", | |
3763 | dbg, cm); | |
3764 | } | |
3765 | ||
46acf7bb BG |
3766 | static int __ath10k_set_antenna(struct ath10k *ar, u32 tx_ant, u32 rx_ant) |
3767 | { | |
3768 | int ret; | |
3769 | ||
3770 | lockdep_assert_held(&ar->conf_mutex); | |
3771 | ||
5572a95b BG |
3772 | ath10k_check_chain_mask(ar, tx_ant, "tx"); |
3773 | ath10k_check_chain_mask(ar, rx_ant, "rx"); | |
3774 | ||
46acf7bb BG |
3775 | ar->cfg_tx_chainmask = tx_ant; |
3776 | ar->cfg_rx_chainmask = rx_ant; | |
3777 | ||
3778 | if ((ar->state != ATH10K_STATE_ON) && | |
3779 | (ar->state != ATH10K_STATE_RESTARTED)) | |
3780 | return 0; | |
3781 | ||
3782 | ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->tx_chain_mask, | |
3783 | tx_ant); | |
3784 | if (ret) { | |
7aa7a72a | 3785 | ath10k_warn(ar, "failed to set tx-chainmask: %d, req 0x%x\n", |
46acf7bb BG |
3786 | ret, tx_ant); |
3787 | return ret; | |
3788 | } | |
3789 | ||
3790 | ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->rx_chain_mask, | |
3791 | rx_ant); | |
3792 | if (ret) { | |
7aa7a72a | 3793 | ath10k_warn(ar, "failed to set rx-chainmask: %d, req 0x%x\n", |
46acf7bb BG |
3794 | ret, rx_ant); |
3795 | return ret; | |
3796 | } | |
3797 | ||
3798 | return 0; | |
3799 | } | |
3800 | ||
3801 | static int ath10k_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) | |
3802 | { | |
3803 | struct ath10k *ar = hw->priv; | |
3804 | int ret; | |
3805 | ||
3806 | mutex_lock(&ar->conf_mutex); | |
3807 | ret = __ath10k_set_antenna(ar, tx_ant, rx_ant); | |
3808 | mutex_unlock(&ar->conf_mutex); | |
3809 | return ret; | |
3810 | } | |
3811 | ||
5e3dd157 KV |
3812 | static int ath10k_start(struct ieee80211_hw *hw) |
3813 | { | |
3814 | struct ath10k *ar = hw->priv; | |
24ab13ef | 3815 | u32 burst_enable; |
818bdd16 | 3816 | int ret = 0; |
5e3dd157 | 3817 | |
bca7bafb MK |
3818 | /* |
3819 | * This makes sense only when restarting hw. It is harmless to call | |
3820 | * uncoditionally. This is necessary to make sure no HTT/WMI tx | |
3821 | * commands will be submitted while restarting. | |
3822 | */ | |
3823 | ath10k_drain_tx(ar); | |
3824 | ||
548db54c MK |
3825 | mutex_lock(&ar->conf_mutex); |
3826 | ||
c5058f5b MK |
3827 | switch (ar->state) { |
3828 | case ATH10K_STATE_OFF: | |
3829 | ar->state = ATH10K_STATE_ON; | |
3830 | break; | |
3831 | case ATH10K_STATE_RESTARTING: | |
3832 | ath10k_halt(ar); | |
3833 | ar->state = ATH10K_STATE_RESTARTED; | |
3834 | break; | |
3835 | case ATH10K_STATE_ON: | |
3836 | case ATH10K_STATE_RESTARTED: | |
3837 | case ATH10K_STATE_WEDGED: | |
3838 | WARN_ON(1); | |
818bdd16 | 3839 | ret = -EINVAL; |
ae254433 | 3840 | goto err; |
43d2a30f KV |
3841 | case ATH10K_STATE_UTF: |
3842 | ret = -EBUSY; | |
3843 | goto err; | |
818bdd16 MK |
3844 | } |
3845 | ||
3846 | ret = ath10k_hif_power_up(ar); | |
3847 | if (ret) { | |
7aa7a72a | 3848 | ath10k_err(ar, "Could not init hif: %d\n", ret); |
ae254433 | 3849 | goto err_off; |
818bdd16 MK |
3850 | } |
3851 | ||
43d2a30f | 3852 | ret = ath10k_core_start(ar, ATH10K_FIRMWARE_MODE_NORMAL); |
818bdd16 | 3853 | if (ret) { |
7aa7a72a | 3854 | ath10k_err(ar, "Could not init core: %d\n", ret); |
ae254433 | 3855 | goto err_power_down; |
818bdd16 MK |
3856 | } |
3857 | ||
226a339b | 3858 | ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->pmf_qos, 1); |
ae254433 | 3859 | if (ret) { |
7aa7a72a | 3860 | ath10k_warn(ar, "failed to enable PMF QOS: %d\n", ret); |
ae254433 MK |
3861 | goto err_core_stop; |
3862 | } | |
5e3dd157 | 3863 | |
c4dd0d01 | 3864 | ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->dynamic_bw, 1); |
ae254433 | 3865 | if (ret) { |
7aa7a72a | 3866 | ath10k_warn(ar, "failed to enable dynamic BW: %d\n", ret); |
ae254433 MK |
3867 | goto err_core_stop; |
3868 | } | |
5e3dd157 | 3869 | |
cf32784c MK |
3870 | if (test_bit(WMI_SERVICE_ADAPTIVE_OCS, ar->wmi.svc_map)) { |
3871 | ret = ath10k_wmi_adaptive_qcs(ar, true); | |
3872 | if (ret) { | |
3873 | ath10k_warn(ar, "failed to enable adaptive qcs: %d\n", | |
3874 | ret); | |
3875 | goto err_core_stop; | |
3876 | } | |
3877 | } | |
3878 | ||
24ab13ef JD |
3879 | if (test_bit(WMI_SERVICE_BURST, ar->wmi.svc_map)) { |
3880 | burst_enable = ar->wmi.pdev_param->burst_enable; | |
3881 | ret = ath10k_wmi_pdev_set_param(ar, burst_enable, 0); | |
3882 | if (ret) { | |
3883 | ath10k_warn(ar, "failed to disable burst: %d\n", ret); | |
3884 | goto err_core_stop; | |
3885 | } | |
3886 | } | |
3887 | ||
46acf7bb BG |
3888 | if (ar->cfg_tx_chainmask) |
3889 | __ath10k_set_antenna(ar, ar->cfg_tx_chainmask, | |
3890 | ar->cfg_rx_chainmask); | |
3891 | ||
ab6258ed MP |
3892 | /* |
3893 | * By default FW set ARP frames ac to voice (6). In that case ARP | |
3894 | * exchange is not working properly for UAPSD enabled AP. ARP requests | |
3895 | * which arrives with access category 0 are processed by network stack | |
3896 | * and send back with access category 0, but FW changes access category | |
3897 | * to 6. Set ARP frames access category to best effort (0) solves | |
3898 | * this problem. | |
3899 | */ | |
3900 | ||
3901 | ret = ath10k_wmi_pdev_set_param(ar, | |
3902 | ar->wmi.pdev_param->arp_ac_override, 0); | |
3903 | if (ret) { | |
7aa7a72a | 3904 | ath10k_warn(ar, "failed to set arp ac override parameter: %d\n", |
ab6258ed | 3905 | ret); |
ae254433 | 3906 | goto err_core_stop; |
ab6258ed MP |
3907 | } |
3908 | ||
575f1c3d ARN |
3909 | ret = ath10k_wmi_pdev_set_param(ar, |
3910 | ar->wmi.pdev_param->ani_enable, 1); | |
3911 | if (ret) { | |
3912 | ath10k_warn(ar, "failed to enable ani by default: %d\n", | |
3913 | ret); | |
3914 | goto err_core_stop; | |
3915 | } | |
3916 | ||
b3e71d7a ARN |
3917 | ar->ani_enabled = true; |
3918 | ||
d650097b | 3919 | ar->num_started_vdevs = 0; |
f7843d7f MK |
3920 | ath10k_regd_update(ar); |
3921 | ||
855aed12 | 3922 | ath10k_spectral_start(ar); |
8515b5c7 | 3923 | ath10k_thermal_set_throttling(ar); |
855aed12 | 3924 | |
ae254433 MK |
3925 | mutex_unlock(&ar->conf_mutex); |
3926 | return 0; | |
3927 | ||
3928 | err_core_stop: | |
3929 | ath10k_core_stop(ar); | |
3930 | ||
3931 | err_power_down: | |
3932 | ath10k_hif_power_down(ar); | |
3933 | ||
3934 | err_off: | |
3935 | ar->state = ATH10K_STATE_OFF; | |
3936 | ||
3937 | err: | |
548db54c | 3938 | mutex_unlock(&ar->conf_mutex); |
c60bdd83 | 3939 | return ret; |
5e3dd157 KV |
3940 | } |
3941 | ||
3942 | static void ath10k_stop(struct ieee80211_hw *hw) | |
3943 | { | |
3944 | struct ath10k *ar = hw->priv; | |
3945 | ||
bca7bafb MK |
3946 | ath10k_drain_tx(ar); |
3947 | ||
548db54c | 3948 | mutex_lock(&ar->conf_mutex); |
c5058f5b | 3949 | if (ar->state != ATH10K_STATE_OFF) { |
818bdd16 | 3950 | ath10k_halt(ar); |
c5058f5b MK |
3951 | ar->state = ATH10K_STATE_OFF; |
3952 | } | |
548db54c MK |
3953 | mutex_unlock(&ar->conf_mutex); |
3954 | ||
5c81c7fd | 3955 | cancel_delayed_work_sync(&ar->scan.timeout); |
affd3217 | 3956 | cancel_work_sync(&ar->restart_work); |
5e3dd157 KV |
3957 | } |
3958 | ||
ad088bfa | 3959 | static int ath10k_config_ps(struct ath10k *ar) |
5e3dd157 | 3960 | { |
ad088bfa MK |
3961 | struct ath10k_vif *arvif; |
3962 | int ret = 0; | |
affd3217 MK |
3963 | |
3964 | lockdep_assert_held(&ar->conf_mutex); | |
3965 | ||
ad088bfa MK |
3966 | list_for_each_entry(arvif, &ar->arvifs, list) { |
3967 | ret = ath10k_mac_vif_setup_ps(arvif); | |
3968 | if (ret) { | |
7aa7a72a | 3969 | ath10k_warn(ar, "failed to setup powersave: %d\n", ret); |
ad088bfa MK |
3970 | break; |
3971 | } | |
3972 | } | |
affd3217 | 3973 | |
ad088bfa | 3974 | return ret; |
affd3217 MK |
3975 | } |
3976 | ||
7d9d5587 MK |
3977 | static int ath10k_mac_txpower_setup(struct ath10k *ar, int txpower) |
3978 | { | |
3979 | int ret; | |
3980 | u32 param; | |
3981 | ||
3982 | lockdep_assert_held(&ar->conf_mutex); | |
3983 | ||
3984 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac txpower %d\n", txpower); | |
3985 | ||
3986 | param = ar->wmi.pdev_param->txpower_limit2g; | |
3987 | ret = ath10k_wmi_pdev_set_param(ar, param, txpower * 2); | |
3988 | if (ret) { | |
3989 | ath10k_warn(ar, "failed to set 2g txpower %d: %d\n", | |
3990 | txpower, ret); | |
3991 | return ret; | |
3992 | } | |
3993 | ||
3994 | param = ar->wmi.pdev_param->txpower_limit5g; | |
3995 | ret = ath10k_wmi_pdev_set_param(ar, param, txpower * 2); | |
3996 | if (ret) { | |
3997 | ath10k_warn(ar, "failed to set 5g txpower %d: %d\n", | |
3998 | txpower, ret); | |
3999 | return ret; | |
4000 | } | |
4001 | ||
4002 | return 0; | |
4003 | } | |
4004 | ||
4005 | static int ath10k_mac_txpower_recalc(struct ath10k *ar) | |
4006 | { | |
4007 | struct ath10k_vif *arvif; | |
4008 | int ret, txpower = -1; | |
4009 | ||
4010 | lockdep_assert_held(&ar->conf_mutex); | |
4011 | ||
4012 | list_for_each_entry(arvif, &ar->arvifs, list) { | |
4013 | WARN_ON(arvif->txpower < 0); | |
4014 | ||
4015 | if (txpower == -1) | |
4016 | txpower = arvif->txpower; | |
4017 | else | |
4018 | txpower = min(txpower, arvif->txpower); | |
4019 | } | |
4020 | ||
4021 | if (WARN_ON(txpower == -1)) | |
4022 | return -EINVAL; | |
4023 | ||
4024 | ret = ath10k_mac_txpower_setup(ar, txpower); | |
4025 | if (ret) { | |
4026 | ath10k_warn(ar, "failed to setup tx power %d: %d\n", | |
4027 | txpower, ret); | |
4028 | return ret; | |
4029 | } | |
4030 | ||
4031 | return 0; | |
4032 | } | |
4033 | ||
affd3217 MK |
4034 | static int ath10k_config(struct ieee80211_hw *hw, u32 changed) |
4035 | { | |
5e3dd157 KV |
4036 | struct ath10k *ar = hw->priv; |
4037 | struct ieee80211_conf *conf = &hw->conf; | |
4038 | int ret = 0; | |
5e3dd157 KV |
4039 | |
4040 | mutex_lock(&ar->conf_mutex); | |
4041 | ||
affd3217 MK |
4042 | if (changed & IEEE80211_CONF_CHANGE_PS) |
4043 | ath10k_config_ps(ar); | |
5e3dd157 KV |
4044 | |
4045 | if (changed & IEEE80211_CONF_CHANGE_MONITOR) { | |
1933747f MK |
4046 | ar->monitor = conf->flags & IEEE80211_CONF_MONITOR; |
4047 | ret = ath10k_monitor_recalc(ar); | |
4048 | if (ret) | |
4049 | ath10k_warn(ar, "failed to recalc monitor: %d\n", ret); | |
5e3dd157 KV |
4050 | } |
4051 | ||
4052 | mutex_unlock(&ar->conf_mutex); | |
4053 | return ret; | |
4054 | } | |
4055 | ||
5572a95b BG |
4056 | static u32 get_nss_from_chainmask(u16 chain_mask) |
4057 | { | |
4058 | if ((chain_mask & 0x15) == 0x15) | |
4059 | return 4; | |
4060 | else if ((chain_mask & 0x7) == 0x7) | |
4061 | return 3; | |
4062 | else if ((chain_mask & 0x3) == 0x3) | |
4063 | return 2; | |
4064 | return 1; | |
4065 | } | |
4066 | ||
a48e2cc8 VN |
4067 | static int ath10k_mac_set_txbf_conf(struct ath10k_vif *arvif) |
4068 | { | |
4069 | u32 value = 0; | |
4070 | struct ath10k *ar = arvif->ar; | |
4071 | ||
4072 | if (ath10k_wmi_get_txbf_conf_scheme(ar) != WMI_TXBF_CONF_BEFORE_ASSOC) | |
4073 | return 0; | |
4074 | ||
4075 | if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE | | |
4076 | IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)) | |
4077 | value |= SM((ar->num_rf_chains - 1), WMI_TXBF_STS_CAP_OFFSET); | |
4078 | ||
4079 | if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE | | |
4080 | IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)) | |
4081 | value |= SM((ar->num_rf_chains - 1), WMI_BF_SOUND_DIM_OFFSET); | |
4082 | ||
4083 | if (!value) | |
4084 | return 0; | |
4085 | ||
4086 | if (ar->vht_cap_info & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE) | |
4087 | value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFER; | |
4088 | ||
4089 | if (ar->vht_cap_info & IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE) | |
4090 | value |= (WMI_VDEV_PARAM_TXBF_MU_TX_BFER | | |
4091 | WMI_VDEV_PARAM_TXBF_SU_TX_BFER); | |
4092 | ||
4093 | if (ar->vht_cap_info & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE) | |
4094 | value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFEE; | |
4095 | ||
4096 | if (ar->vht_cap_info & IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE) | |
4097 | value |= (WMI_VDEV_PARAM_TXBF_MU_TX_BFEE | | |
4098 | WMI_VDEV_PARAM_TXBF_SU_TX_BFEE); | |
4099 | ||
4100 | return ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, | |
4101 | ar->wmi.vdev_param->txbf, value); | |
4102 | } | |
4103 | ||
5e3dd157 KV |
4104 | /* |
4105 | * TODO: | |
4106 | * Figure out how to handle WMI_VDEV_SUBTYPE_P2P_DEVICE, | |
4107 | * because we will send mgmt frames without CCK. This requirement | |
4108 | * for P2P_FIND/GO_NEG should be handled by checking CCK flag | |
4109 | * in the TX packet. | |
4110 | */ | |
4111 | static int ath10k_add_interface(struct ieee80211_hw *hw, | |
4112 | struct ieee80211_vif *vif) | |
4113 | { | |
4114 | struct ath10k *ar = hw->priv; | |
4115 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
4116 | enum wmi_sta_powersave_param param; | |
4117 | int ret = 0; | |
5a13e76e | 4118 | u32 value; |
5e3dd157 | 4119 | int bit; |
96d828d4 | 4120 | int i; |
6d1506e7 | 4121 | u32 vdev_param; |
5e3dd157 | 4122 | |
848955cc JB |
4123 | vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD; |
4124 | ||
5e3dd157 KV |
4125 | mutex_lock(&ar->conf_mutex); |
4126 | ||
0dbd09e6 MK |
4127 | memset(arvif, 0, sizeof(*arvif)); |
4128 | ||
5e3dd157 KV |
4129 | arvif->ar = ar; |
4130 | arvif->vif = vif; | |
4131 | ||
e63b33f3 | 4132 | INIT_LIST_HEAD(&arvif->list); |
81a9a17d | 4133 | INIT_WORK(&arvif->ap_csa_work, ath10k_mac_vif_ap_csa_work); |
cc9904e6 MK |
4134 | INIT_DELAYED_WORK(&arvif->connection_loss_work, |
4135 | ath10k_mac_vif_sta_connection_loss_work); | |
cc4827b9 | 4136 | |
45c9abc0 MK |
4137 | for (i = 0; i < ARRAY_SIZE(arvif->bitrate_mask.control); i++) { |
4138 | arvif->bitrate_mask.control[i].legacy = 0xffffffff; | |
4139 | memset(arvif->bitrate_mask.control[i].ht_mcs, 0xff, | |
4140 | sizeof(arvif->bitrate_mask.control[i].ht_mcs)); | |
4141 | memset(arvif->bitrate_mask.control[i].vht_mcs, 0xff, | |
4142 | sizeof(arvif->bitrate_mask.control[i].vht_mcs)); | |
4143 | } | |
cc4827b9 | 4144 | |
e04cafbc MK |
4145 | if (ar->num_peers >= ar->max_num_peers) { |
4146 | ath10k_warn(ar, "refusing vdev creation due to insufficient peer entry resources in firmware\n"); | |
503422d9 MK |
4147 | ret = -ENOBUFS; |
4148 | goto err; | |
e04cafbc MK |
4149 | } |
4150 | ||
a9aefb3b | 4151 | if (ar->free_vdev_map == 0) { |
7aa7a72a | 4152 | ath10k_warn(ar, "Free vdev map is empty, no more interfaces allowed.\n"); |
5e3dd157 | 4153 | ret = -EBUSY; |
9dad14ae | 4154 | goto err; |
5e3dd157 | 4155 | } |
16c11176 | 4156 | bit = __ffs64(ar->free_vdev_map); |
5e3dd157 | 4157 | |
16c11176 BG |
4158 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac create vdev %i map %llx\n", |
4159 | bit, ar->free_vdev_map); | |
5e3dd157 | 4160 | |
16c11176 | 4161 | arvif->vdev_id = bit; |
5e3dd157 | 4162 | arvif->vdev_subtype = WMI_VDEV_SUBTYPE_NONE; |
5e3dd157 | 4163 | |
5e3dd157 | 4164 | switch (vif->type) { |
75d2bd48 MK |
4165 | case NL80211_IFTYPE_P2P_DEVICE: |
4166 | arvif->vdev_type = WMI_VDEV_TYPE_STA; | |
4167 | arvif->vdev_subtype = WMI_VDEV_SUBTYPE_P2P_DEVICE; | |
4168 | break; | |
5e3dd157 KV |
4169 | case NL80211_IFTYPE_UNSPECIFIED: |
4170 | case NL80211_IFTYPE_STATION: | |
4171 | arvif->vdev_type = WMI_VDEV_TYPE_STA; | |
4172 | if (vif->p2p) | |
4173 | arvif->vdev_subtype = WMI_VDEV_SUBTYPE_P2P_CLIENT; | |
4174 | break; | |
4175 | case NL80211_IFTYPE_ADHOC: | |
4176 | arvif->vdev_type = WMI_VDEV_TYPE_IBSS; | |
4177 | break; | |
4178 | case NL80211_IFTYPE_AP: | |
4179 | arvif->vdev_type = WMI_VDEV_TYPE_AP; | |
4180 | ||
4181 | if (vif->p2p) | |
4182 | arvif->vdev_subtype = WMI_VDEV_SUBTYPE_P2P_GO; | |
4183 | break; | |
4184 | case NL80211_IFTYPE_MONITOR: | |
4185 | arvif->vdev_type = WMI_VDEV_TYPE_MONITOR; | |
4186 | break; | |
4187 | default: | |
4188 | WARN_ON(1); | |
4189 | break; | |
4190 | } | |
4191 | ||
96d828d4 MK |
4192 | /* Using vdev_id as queue number will make it very easy to do per-vif |
4193 | * tx queue locking. This shouldn't wrap due to interface combinations | |
4194 | * but do a modulo for correctness sake and prevent using offchannel tx | |
4195 | * queues for regular vif tx. | |
4196 | */ | |
4197 | vif->cab_queue = arvif->vdev_id % (IEEE80211_MAX_QUEUES - 1); | |
4198 | for (i = 0; i < ARRAY_SIZE(vif->hw_queue); i++) | |
4199 | vif->hw_queue[i] = arvif->vdev_id % (IEEE80211_MAX_QUEUES - 1); | |
4200 | ||
64badcb6 MK |
4201 | /* Some firmware revisions don't wait for beacon tx completion before |
4202 | * sending another SWBA event. This could lead to hardware using old | |
4203 | * (freed) beacon data in some cases, e.g. tx credit starvation | |
4204 | * combined with missed TBTT. This is very very rare. | |
4205 | * | |
4206 | * On non-IOMMU-enabled hosts this could be a possible security issue | |
4207 | * because hw could beacon some random data on the air. On | |
4208 | * IOMMU-enabled hosts DMAR faults would occur in most cases and target | |
4209 | * device would crash. | |
4210 | * | |
4211 | * Since there are no beacon tx completions (implicit nor explicit) | |
4212 | * propagated to host the only workaround for this is to allocate a | |
4213 | * DMA-coherent buffer for a lifetime of a vif and use it for all | |
4214 | * beacon tx commands. Worst case for this approach is some beacons may | |
4215 | * become corrupted, e.g. have garbled IEs or out-of-date TIM bitmap. | |
4216 | */ | |
4217 | if (vif->type == NL80211_IFTYPE_ADHOC || | |
4218 | vif->type == NL80211_IFTYPE_AP) { | |
4219 | arvif->beacon_buf = dma_zalloc_coherent(ar->dev, | |
4220 | IEEE80211_MAX_FRAME_LEN, | |
4221 | &arvif->beacon_paddr, | |
82d7aba7 | 4222 | GFP_ATOMIC); |
64badcb6 MK |
4223 | if (!arvif->beacon_buf) { |
4224 | ret = -ENOMEM; | |
4225 | ath10k_warn(ar, "failed to allocate beacon buffer: %d\n", | |
4226 | ret); | |
4227 | goto err; | |
4228 | } | |
4229 | } | |
ccec9038 DL |
4230 | if (test_bit(ATH10K_FLAG_HW_CRYPTO_DISABLED, &ar->dev_flags)) |
4231 | arvif->nohwcrypt = true; | |
4232 | ||
4233 | if (arvif->nohwcrypt && | |
4234 | !test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) { | |
4235 | ath10k_warn(ar, "cryptmode module param needed for sw crypto\n"); | |
4236 | goto err; | |
4237 | } | |
64badcb6 MK |
4238 | |
4239 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev create %d (add interface) type %d subtype %d bcnmode %s\n", | |
4240 | arvif->vdev_id, arvif->vdev_type, arvif->vdev_subtype, | |
4241 | arvif->beacon_buf ? "single-buf" : "per-skb"); | |
5e3dd157 KV |
4242 | |
4243 | ret = ath10k_wmi_vdev_create(ar, arvif->vdev_id, arvif->vdev_type, | |
4244 | arvif->vdev_subtype, vif->addr); | |
4245 | if (ret) { | |
7aa7a72a | 4246 | ath10k_warn(ar, "failed to create WMI vdev %i: %d\n", |
69244e56 | 4247 | arvif->vdev_id, ret); |
9dad14ae | 4248 | goto err; |
5e3dd157 KV |
4249 | } |
4250 | ||
16c11176 | 4251 | ar->free_vdev_map &= ~(1LL << arvif->vdev_id); |
0579119f | 4252 | list_add(&arvif->list, &ar->arvifs); |
9dad14ae | 4253 | |
46725b15 MK |
4254 | /* It makes no sense to have firmware do keepalives. mac80211 already |
4255 | * takes care of this with idle connection polling. | |
4256 | */ | |
4257 | ret = ath10k_mac_vif_disable_keepalive(arvif); | |
9dad14ae | 4258 | if (ret) { |
46725b15 | 4259 | ath10k_warn(ar, "failed to disable keepalive on vdev %i: %d\n", |
69244e56 | 4260 | arvif->vdev_id, ret); |
9dad14ae MK |
4261 | goto err_vdev_delete; |
4262 | } | |
5e3dd157 | 4263 | |
627613f8 | 4264 | arvif->def_wep_key_idx = -1; |
5e3dd157 | 4265 | |
6d1506e7 BM |
4266 | vdev_param = ar->wmi.vdev_param->tx_encap_type; |
4267 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, | |
5e3dd157 | 4268 | ATH10K_HW_TXRX_NATIVE_WIFI); |
ebc9abdd | 4269 | /* 10.X firmware does not support this VDEV parameter. Do not warn */ |
9dad14ae | 4270 | if (ret && ret != -EOPNOTSUPP) { |
7aa7a72a | 4271 | ath10k_warn(ar, "failed to set vdev %i TX encapsulation: %d\n", |
69244e56 | 4272 | arvif->vdev_id, ret); |
9dad14ae MK |
4273 | goto err_vdev_delete; |
4274 | } | |
5e3dd157 | 4275 | |
5572a95b BG |
4276 | if (ar->cfg_tx_chainmask) { |
4277 | u16 nss = get_nss_from_chainmask(ar->cfg_tx_chainmask); | |
4278 | ||
4279 | vdev_param = ar->wmi.vdev_param->nss; | |
4280 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, | |
4281 | nss); | |
4282 | if (ret) { | |
4283 | ath10k_warn(ar, "failed to set vdev %i chainmask 0x%x, nss %i: %d\n", | |
4284 | arvif->vdev_id, ar->cfg_tx_chainmask, nss, | |
4285 | ret); | |
4286 | goto err_vdev_delete; | |
4287 | } | |
4288 | } | |
4289 | ||
e57e0571 MK |
4290 | if (arvif->vdev_type == WMI_VDEV_TYPE_AP || |
4291 | arvif->vdev_type == WMI_VDEV_TYPE_IBSS) { | |
7390ed34 MP |
4292 | ret = ath10k_peer_create(ar, arvif->vdev_id, vif->addr, |
4293 | WMI_PEER_TYPE_DEFAULT); | |
5e3dd157 | 4294 | if (ret) { |
e57e0571 | 4295 | ath10k_warn(ar, "failed to create vdev %i peer for AP/IBSS: %d\n", |
69244e56 | 4296 | arvif->vdev_id, ret); |
9dad14ae | 4297 | goto err_vdev_delete; |
5e3dd157 | 4298 | } |
e57e0571 | 4299 | } |
cdf07409 | 4300 | |
e57e0571 | 4301 | if (arvif->vdev_type == WMI_VDEV_TYPE_AP) { |
5a13e76e KV |
4302 | ret = ath10k_mac_set_kickout(arvif); |
4303 | if (ret) { | |
7aa7a72a | 4304 | ath10k_warn(ar, "failed to set vdev %i kickout parameters: %d\n", |
69244e56 | 4305 | arvif->vdev_id, ret); |
5a13e76e KV |
4306 | goto err_peer_delete; |
4307 | } | |
5e3dd157 KV |
4308 | } |
4309 | ||
4310 | if (arvif->vdev_type == WMI_VDEV_TYPE_STA) { | |
4311 | param = WMI_STA_PS_PARAM_RX_WAKE_POLICY; | |
4312 | value = WMI_STA_PS_RX_WAKE_POLICY_WAKE; | |
4313 | ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, | |
4314 | param, value); | |
9dad14ae | 4315 | if (ret) { |
7aa7a72a | 4316 | ath10k_warn(ar, "failed to set vdev %i RX wake policy: %d\n", |
69244e56 | 4317 | arvif->vdev_id, ret); |
9dad14ae MK |
4318 | goto err_peer_delete; |
4319 | } | |
5e3dd157 | 4320 | |
9f9b5746 | 4321 | ret = ath10k_mac_vif_recalc_ps_wake_threshold(arvif); |
9dad14ae | 4322 | if (ret) { |
9f9b5746 | 4323 | ath10k_warn(ar, "failed to recalc ps wake threshold on vdev %i: %d\n", |
69244e56 | 4324 | arvif->vdev_id, ret); |
9dad14ae MK |
4325 | goto err_peer_delete; |
4326 | } | |
5e3dd157 | 4327 | |
9f9b5746 | 4328 | ret = ath10k_mac_vif_recalc_ps_poll_count(arvif); |
9dad14ae | 4329 | if (ret) { |
9f9b5746 | 4330 | ath10k_warn(ar, "failed to recalc ps poll count on vdev %i: %d\n", |
69244e56 | 4331 | arvif->vdev_id, ret); |
9dad14ae MK |
4332 | goto err_peer_delete; |
4333 | } | |
5e3dd157 KV |
4334 | } |
4335 | ||
a48e2cc8 VN |
4336 | ret = ath10k_mac_set_txbf_conf(arvif); |
4337 | if (ret) { | |
4338 | ath10k_warn(ar, "failed to set txbf for vdev %d: %d\n", | |
4339 | arvif->vdev_id, ret); | |
4340 | goto err_peer_delete; | |
4341 | } | |
4342 | ||
424121c3 | 4343 | ret = ath10k_mac_set_rts(arvif, ar->hw->wiphy->rts_threshold); |
9dad14ae | 4344 | if (ret) { |
7aa7a72a | 4345 | ath10k_warn(ar, "failed to set rts threshold for vdev %d: %d\n", |
679c54a6 | 4346 | arvif->vdev_id, ret); |
9dad14ae MK |
4347 | goto err_peer_delete; |
4348 | } | |
679c54a6 | 4349 | |
7d9d5587 MK |
4350 | arvif->txpower = vif->bss_conf.txpower; |
4351 | ret = ath10k_mac_txpower_recalc(ar); | |
4352 | if (ret) { | |
4353 | ath10k_warn(ar, "failed to recalc tx power: %d\n", ret); | |
4354 | goto err_peer_delete; | |
4355 | } | |
4356 | ||
500ff9f9 MK |
4357 | if (vif->type == NL80211_IFTYPE_MONITOR) { |
4358 | ar->monitor_arvif = arvif; | |
4359 | ret = ath10k_monitor_recalc(ar); | |
4360 | if (ret) { | |
4361 | ath10k_warn(ar, "failed to recalc monitor: %d\n", ret); | |
4362 | goto err_peer_delete; | |
4363 | } | |
4364 | } | |
4365 | ||
6d2d51ec MK |
4366 | spin_lock_bh(&ar->htt.tx_lock); |
4367 | if (!ar->tx_paused) | |
4368 | ieee80211_wake_queue(ar->hw, arvif->vdev_id); | |
4369 | spin_unlock_bh(&ar->htt.tx_lock); | |
4370 | ||
5e3dd157 | 4371 | mutex_unlock(&ar->conf_mutex); |
9dad14ae MK |
4372 | return 0; |
4373 | ||
4374 | err_peer_delete: | |
e57e0571 MK |
4375 | if (arvif->vdev_type == WMI_VDEV_TYPE_AP || |
4376 | arvif->vdev_type == WMI_VDEV_TYPE_IBSS) | |
9dad14ae MK |
4377 | ath10k_wmi_peer_delete(ar, arvif->vdev_id, vif->addr); |
4378 | ||
4379 | err_vdev_delete: | |
4380 | ath10k_wmi_vdev_delete(ar, arvif->vdev_id); | |
16c11176 | 4381 | ar->free_vdev_map |= 1LL << arvif->vdev_id; |
0579119f | 4382 | list_del(&arvif->list); |
9dad14ae MK |
4383 | |
4384 | err: | |
64badcb6 MK |
4385 | if (arvif->beacon_buf) { |
4386 | dma_free_coherent(ar->dev, IEEE80211_MAX_FRAME_LEN, | |
4387 | arvif->beacon_buf, arvif->beacon_paddr); | |
4388 | arvif->beacon_buf = NULL; | |
4389 | } | |
4390 | ||
9dad14ae MK |
4391 | mutex_unlock(&ar->conf_mutex); |
4392 | ||
5e3dd157 KV |
4393 | return ret; |
4394 | } | |
4395 | ||
b4aa539d MK |
4396 | static void ath10k_mac_vif_tx_unlock_all(struct ath10k_vif *arvif) |
4397 | { | |
4398 | int i; | |
4399 | ||
4400 | for (i = 0; i < BITS_PER_LONG; i++) | |
4401 | ath10k_mac_vif_tx_unlock(arvif, i); | |
4402 | } | |
4403 | ||
5e3dd157 KV |
4404 | static void ath10k_remove_interface(struct ieee80211_hw *hw, |
4405 | struct ieee80211_vif *vif) | |
4406 | { | |
4407 | struct ath10k *ar = hw->priv; | |
4408 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
4409 | int ret; | |
4410 | ||
81a9a17d | 4411 | cancel_work_sync(&arvif->ap_csa_work); |
cc9904e6 | 4412 | cancel_delayed_work_sync(&arvif->connection_loss_work); |
81a9a17d | 4413 | |
5d011f5c SM |
4414 | mutex_lock(&ar->conf_mutex); |
4415 | ||
ed54388a | 4416 | spin_lock_bh(&ar->data_lock); |
64badcb6 | 4417 | ath10k_mac_vif_beacon_cleanup(arvif); |
ed54388a MK |
4418 | spin_unlock_bh(&ar->data_lock); |
4419 | ||
855aed12 SW |
4420 | ret = ath10k_spectral_vif_stop(arvif); |
4421 | if (ret) | |
7aa7a72a | 4422 | ath10k_warn(ar, "failed to stop spectral for vdev %i: %d\n", |
855aed12 SW |
4423 | arvif->vdev_id, ret); |
4424 | ||
16c11176 | 4425 | ar->free_vdev_map |= 1LL << arvif->vdev_id; |
0579119f | 4426 | list_del(&arvif->list); |
5e3dd157 | 4427 | |
e57e0571 MK |
4428 | if (arvif->vdev_type == WMI_VDEV_TYPE_AP || |
4429 | arvif->vdev_type == WMI_VDEV_TYPE_IBSS) { | |
2c512059 MK |
4430 | ret = ath10k_wmi_peer_delete(arvif->ar, arvif->vdev_id, |
4431 | vif->addr); | |
5e3dd157 | 4432 | if (ret) |
e57e0571 | 4433 | ath10k_warn(ar, "failed to submit AP/IBSS self-peer removal on vdev %i: %d\n", |
69244e56 | 4434 | arvif->vdev_id, ret); |
5e3dd157 KV |
4435 | |
4436 | kfree(arvif->u.ap.noa_data); | |
4437 | } | |
4438 | ||
7aa7a72a | 4439 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %i delete (remove interface)\n", |
60c3daa8 KV |
4440 | arvif->vdev_id); |
4441 | ||
5e3dd157 KV |
4442 | ret = ath10k_wmi_vdev_delete(ar, arvif->vdev_id); |
4443 | if (ret) | |
7aa7a72a | 4444 | ath10k_warn(ar, "failed to delete WMI vdev %i: %d\n", |
69244e56 | 4445 | arvif->vdev_id, ret); |
5e3dd157 | 4446 | |
2c512059 MK |
4447 | /* Some firmware revisions don't notify host about self-peer removal |
4448 | * until after associated vdev is deleted. | |
4449 | */ | |
e57e0571 MK |
4450 | if (arvif->vdev_type == WMI_VDEV_TYPE_AP || |
4451 | arvif->vdev_type == WMI_VDEV_TYPE_IBSS) { | |
2c512059 MK |
4452 | ret = ath10k_wait_for_peer_deleted(ar, arvif->vdev_id, |
4453 | vif->addr); | |
4454 | if (ret) | |
4455 | ath10k_warn(ar, "failed to remove AP self-peer on vdev %i: %d\n", | |
4456 | arvif->vdev_id, ret); | |
4457 | ||
4458 | spin_lock_bh(&ar->data_lock); | |
4459 | ar->num_peers--; | |
4460 | spin_unlock_bh(&ar->data_lock); | |
4461 | } | |
4462 | ||
5e3dd157 KV |
4463 | ath10k_peer_cleanup(ar, arvif->vdev_id); |
4464 | ||
500ff9f9 MK |
4465 | if (vif->type == NL80211_IFTYPE_MONITOR) { |
4466 | ar->monitor_arvif = NULL; | |
4467 | ret = ath10k_monitor_recalc(ar); | |
4468 | if (ret) | |
4469 | ath10k_warn(ar, "failed to recalc monitor: %d\n", ret); | |
4470 | } | |
4471 | ||
b4aa539d MK |
4472 | spin_lock_bh(&ar->htt.tx_lock); |
4473 | ath10k_mac_vif_tx_unlock_all(arvif); | |
4474 | spin_unlock_bh(&ar->htt.tx_lock); | |
4475 | ||
5e3dd157 KV |
4476 | mutex_unlock(&ar->conf_mutex); |
4477 | } | |
4478 | ||
4479 | /* | |
4480 | * FIXME: Has to be verified. | |
4481 | */ | |
4482 | #define SUPPORTED_FILTERS \ | |
df140465 | 4483 | (FIF_ALLMULTI | \ |
5e3dd157 KV |
4484 | FIF_CONTROL | \ |
4485 | FIF_PSPOLL | \ | |
4486 | FIF_OTHER_BSS | \ | |
4487 | FIF_BCN_PRBRESP_PROMISC | \ | |
4488 | FIF_PROBE_REQ | \ | |
4489 | FIF_FCSFAIL) | |
4490 | ||
4491 | static void ath10k_configure_filter(struct ieee80211_hw *hw, | |
4492 | unsigned int changed_flags, | |
4493 | unsigned int *total_flags, | |
4494 | u64 multicast) | |
4495 | { | |
4496 | struct ath10k *ar = hw->priv; | |
4497 | int ret; | |
4498 | ||
4499 | mutex_lock(&ar->conf_mutex); | |
4500 | ||
4501 | changed_flags &= SUPPORTED_FILTERS; | |
4502 | *total_flags &= SUPPORTED_FILTERS; | |
4503 | ar->filter_flags = *total_flags; | |
4504 | ||
1933747f MK |
4505 | ret = ath10k_monitor_recalc(ar); |
4506 | if (ret) | |
4507 | ath10k_warn(ar, "failed to recalc montior: %d\n", ret); | |
5e3dd157 KV |
4508 | |
4509 | mutex_unlock(&ar->conf_mutex); | |
4510 | } | |
4511 | ||
4512 | static void ath10k_bss_info_changed(struct ieee80211_hw *hw, | |
4513 | struct ieee80211_vif *vif, | |
4514 | struct ieee80211_bss_conf *info, | |
4515 | u32 changed) | |
4516 | { | |
4517 | struct ath10k *ar = hw->priv; | |
4518 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
4519 | int ret = 0; | |
af762c0b | 4520 | u32 vdev_param, pdev_param, slottime, preamble; |
5e3dd157 KV |
4521 | |
4522 | mutex_lock(&ar->conf_mutex); | |
4523 | ||
4524 | if (changed & BSS_CHANGED_IBSS) | |
4525 | ath10k_control_ibss(arvif, info, vif->addr); | |
4526 | ||
4527 | if (changed & BSS_CHANGED_BEACON_INT) { | |
4528 | arvif->beacon_interval = info->beacon_int; | |
6d1506e7 BM |
4529 | vdev_param = ar->wmi.vdev_param->beacon_interval; |
4530 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, | |
5e3dd157 | 4531 | arvif->beacon_interval); |
7aa7a72a | 4532 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
60c3daa8 KV |
4533 | "mac vdev %d beacon_interval %d\n", |
4534 | arvif->vdev_id, arvif->beacon_interval); | |
4535 | ||
5e3dd157 | 4536 | if (ret) |
7aa7a72a | 4537 | ath10k_warn(ar, "failed to set beacon interval for vdev %d: %i\n", |
69244e56 | 4538 | arvif->vdev_id, ret); |
5e3dd157 KV |
4539 | } |
4540 | ||
4541 | if (changed & BSS_CHANGED_BEACON) { | |
7aa7a72a | 4542 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
60c3daa8 KV |
4543 | "vdev %d set beacon tx mode to staggered\n", |
4544 | arvif->vdev_id); | |
4545 | ||
226a339b BM |
4546 | pdev_param = ar->wmi.pdev_param->beacon_tx_mode; |
4547 | ret = ath10k_wmi_pdev_set_param(ar, pdev_param, | |
5e3dd157 KV |
4548 | WMI_BEACON_STAGGERED_MODE); |
4549 | if (ret) | |
7aa7a72a | 4550 | ath10k_warn(ar, "failed to set beacon mode for vdev %d: %i\n", |
69244e56 | 4551 | arvif->vdev_id, ret); |
fbb8f1b7 MK |
4552 | |
4553 | ret = ath10k_mac_setup_bcn_tmpl(arvif); | |
4554 | if (ret) | |
4555 | ath10k_warn(ar, "failed to update beacon template: %d\n", | |
4556 | ret); | |
4557 | } | |
4558 | ||
4559 | if (changed & BSS_CHANGED_AP_PROBE_RESP) { | |
4560 | ret = ath10k_mac_setup_prb_tmpl(arvif); | |
4561 | if (ret) | |
4562 | ath10k_warn(ar, "failed to setup probe resp template on vdev %i: %d\n", | |
4563 | arvif->vdev_id, ret); | |
5e3dd157 KV |
4564 | } |
4565 | ||
ba2479fe | 4566 | if (changed & (BSS_CHANGED_BEACON_INFO | BSS_CHANGED_BEACON)) { |
5e3dd157 KV |
4567 | arvif->dtim_period = info->dtim_period; |
4568 | ||
7aa7a72a | 4569 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
60c3daa8 KV |
4570 | "mac vdev %d dtim_period %d\n", |
4571 | arvif->vdev_id, arvif->dtim_period); | |
4572 | ||
6d1506e7 BM |
4573 | vdev_param = ar->wmi.vdev_param->dtim_period; |
4574 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, | |
5e3dd157 KV |
4575 | arvif->dtim_period); |
4576 | if (ret) | |
7aa7a72a | 4577 | ath10k_warn(ar, "failed to set dtim period for vdev %d: %i\n", |
69244e56 | 4578 | arvif->vdev_id, ret); |
5e3dd157 KV |
4579 | } |
4580 | ||
4581 | if (changed & BSS_CHANGED_SSID && | |
4582 | vif->type == NL80211_IFTYPE_AP) { | |
4583 | arvif->u.ap.ssid_len = info->ssid_len; | |
4584 | if (info->ssid_len) | |
4585 | memcpy(arvif->u.ap.ssid, info->ssid, info->ssid_len); | |
4586 | arvif->u.ap.hidden_ssid = info->hidden_ssid; | |
4587 | } | |
4588 | ||
077efc8c MK |
4589 | if (changed & BSS_CHANGED_BSSID && !is_zero_ether_addr(info->bssid)) |
4590 | ether_addr_copy(arvif->bssid, info->bssid); | |
5e3dd157 KV |
4591 | |
4592 | if (changed & BSS_CHANGED_BEACON_ENABLED) | |
4593 | ath10k_control_beaconing(arvif, info); | |
4594 | ||
4595 | if (changed & BSS_CHANGED_ERP_CTS_PROT) { | |
e81bd104 | 4596 | arvif->use_cts_prot = info->use_cts_prot; |
7aa7a72a | 4597 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d cts_prot %d\n", |
e81bd104 | 4598 | arvif->vdev_id, info->use_cts_prot); |
60c3daa8 | 4599 | |
e81bd104 | 4600 | ret = ath10k_recalc_rtscts_prot(arvif); |
5e3dd157 | 4601 | if (ret) |
7aa7a72a | 4602 | ath10k_warn(ar, "failed to recalculate rts/cts prot for vdev %d: %d\n", |
69244e56 | 4603 | arvif->vdev_id, ret); |
a87fd4b9 MK |
4604 | |
4605 | vdev_param = ar->wmi.vdev_param->protection_mode; | |
4606 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, | |
4607 | info->use_cts_prot ? 1 : 0); | |
4608 | if (ret) | |
4609 | ath10k_warn(ar, "failed to set protection mode %d on vdev %i: %d\n", | |
4610 | info->use_cts_prot, arvif->vdev_id, ret); | |
5e3dd157 KV |
4611 | } |
4612 | ||
4613 | if (changed & BSS_CHANGED_ERP_SLOT) { | |
5e3dd157 KV |
4614 | if (info->use_short_slot) |
4615 | slottime = WMI_VDEV_SLOT_TIME_SHORT; /* 9us */ | |
4616 | ||
4617 | else | |
4618 | slottime = WMI_VDEV_SLOT_TIME_LONG; /* 20us */ | |
4619 | ||
7aa7a72a | 4620 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d slot_time %d\n", |
60c3daa8 KV |
4621 | arvif->vdev_id, slottime); |
4622 | ||
6d1506e7 BM |
4623 | vdev_param = ar->wmi.vdev_param->slot_time; |
4624 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, | |
5e3dd157 KV |
4625 | slottime); |
4626 | if (ret) | |
7aa7a72a | 4627 | ath10k_warn(ar, "failed to set erp slot for vdev %d: %i\n", |
69244e56 | 4628 | arvif->vdev_id, ret); |
5e3dd157 KV |
4629 | } |
4630 | ||
4631 | if (changed & BSS_CHANGED_ERP_PREAMBLE) { | |
5e3dd157 KV |
4632 | if (info->use_short_preamble) |
4633 | preamble = WMI_VDEV_PREAMBLE_SHORT; | |
4634 | else | |
4635 | preamble = WMI_VDEV_PREAMBLE_LONG; | |
4636 | ||
7aa7a72a | 4637 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
60c3daa8 KV |
4638 | "mac vdev %d preamble %dn", |
4639 | arvif->vdev_id, preamble); | |
4640 | ||
6d1506e7 BM |
4641 | vdev_param = ar->wmi.vdev_param->preamble; |
4642 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, | |
5e3dd157 KV |
4643 | preamble); |
4644 | if (ret) | |
7aa7a72a | 4645 | ath10k_warn(ar, "failed to set preamble for vdev %d: %i\n", |
69244e56 | 4646 | arvif->vdev_id, ret); |
5e3dd157 KV |
4647 | } |
4648 | ||
4649 | if (changed & BSS_CHANGED_ASSOC) { | |
e556f111 MK |
4650 | if (info->assoc) { |
4651 | /* Workaround: Make sure monitor vdev is not running | |
4652 | * when associating to prevent some firmware revisions | |
4653 | * (e.g. 10.1 and 10.2) from crashing. | |
4654 | */ | |
4655 | if (ar->monitor_started) | |
4656 | ath10k_monitor_stop(ar); | |
5e3dd157 | 4657 | ath10k_bss_assoc(hw, vif, info); |
e556f111 | 4658 | ath10k_monitor_recalc(ar); |
077efc8c MK |
4659 | } else { |
4660 | ath10k_bss_disassoc(hw, vif); | |
e556f111 | 4661 | } |
5e3dd157 KV |
4662 | } |
4663 | ||
7d9d5587 MK |
4664 | if (changed & BSS_CHANGED_TXPOWER) { |
4665 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev_id %i txpower %d\n", | |
4666 | arvif->vdev_id, info->txpower); | |
4667 | ||
4668 | arvif->txpower = info->txpower; | |
4669 | ret = ath10k_mac_txpower_recalc(ar); | |
4670 | if (ret) | |
4671 | ath10k_warn(ar, "failed to recalc tx power: %d\n", ret); | |
4672 | } | |
4673 | ||
bf14e65c | 4674 | if (changed & BSS_CHANGED_PS) { |
cffb41f3 MK |
4675 | arvif->ps = vif->bss_conf.ps; |
4676 | ||
4677 | ret = ath10k_config_ps(ar); | |
bf14e65c MK |
4678 | if (ret) |
4679 | ath10k_warn(ar, "failed to setup ps on vdev %i: %d\n", | |
4680 | arvif->vdev_id, ret); | |
4681 | } | |
4682 | ||
5e3dd157 KV |
4683 | mutex_unlock(&ar->conf_mutex); |
4684 | } | |
4685 | ||
4686 | static int ath10k_hw_scan(struct ieee80211_hw *hw, | |
4687 | struct ieee80211_vif *vif, | |
c56ef672 | 4688 | struct ieee80211_scan_request *hw_req) |
5e3dd157 KV |
4689 | { |
4690 | struct ath10k *ar = hw->priv; | |
4691 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
c56ef672 | 4692 | struct cfg80211_scan_request *req = &hw_req->req; |
5e3dd157 KV |
4693 | struct wmi_start_scan_arg arg; |
4694 | int ret = 0; | |
4695 | int i; | |
4696 | ||
4697 | mutex_lock(&ar->conf_mutex); | |
4698 | ||
4699 | spin_lock_bh(&ar->data_lock); | |
5c81c7fd MK |
4700 | switch (ar->scan.state) { |
4701 | case ATH10K_SCAN_IDLE: | |
4702 | reinit_completion(&ar->scan.started); | |
4703 | reinit_completion(&ar->scan.completed); | |
4704 | ar->scan.state = ATH10K_SCAN_STARTING; | |
4705 | ar->scan.is_roc = false; | |
4706 | ar->scan.vdev_id = arvif->vdev_id; | |
4707 | ret = 0; | |
4708 | break; | |
4709 | case ATH10K_SCAN_STARTING: | |
4710 | case ATH10K_SCAN_RUNNING: | |
4711 | case ATH10K_SCAN_ABORTING: | |
5e3dd157 | 4712 | ret = -EBUSY; |
5c81c7fd | 4713 | break; |
5e3dd157 | 4714 | } |
5e3dd157 KV |
4715 | spin_unlock_bh(&ar->data_lock); |
4716 | ||
5c81c7fd MK |
4717 | if (ret) |
4718 | goto exit; | |
4719 | ||
5e3dd157 KV |
4720 | memset(&arg, 0, sizeof(arg)); |
4721 | ath10k_wmi_start_scan_init(ar, &arg); | |
4722 | arg.vdev_id = arvif->vdev_id; | |
4723 | arg.scan_id = ATH10K_SCAN_ID; | |
4724 | ||
5e3dd157 KV |
4725 | if (req->ie_len) { |
4726 | arg.ie_len = req->ie_len; | |
4727 | memcpy(arg.ie, req->ie, arg.ie_len); | |
4728 | } | |
4729 | ||
4730 | if (req->n_ssids) { | |
4731 | arg.n_ssids = req->n_ssids; | |
4732 | for (i = 0; i < arg.n_ssids; i++) { | |
4733 | arg.ssids[i].len = req->ssids[i].ssid_len; | |
4734 | arg.ssids[i].ssid = req->ssids[i].ssid; | |
4735 | } | |
dcd4a561 MK |
4736 | } else { |
4737 | arg.scan_ctrl_flags |= WMI_SCAN_FLAG_PASSIVE; | |
5e3dd157 KV |
4738 | } |
4739 | ||
4740 | if (req->n_channels) { | |
4741 | arg.n_channels = req->n_channels; | |
4742 | for (i = 0; i < arg.n_channels; i++) | |
4743 | arg.channels[i] = req->channels[i]->center_freq; | |
4744 | } | |
4745 | ||
4746 | ret = ath10k_start_scan(ar, &arg); | |
4747 | if (ret) { | |
7aa7a72a | 4748 | ath10k_warn(ar, "failed to start hw scan: %d\n", ret); |
5e3dd157 | 4749 | spin_lock_bh(&ar->data_lock); |
5c81c7fd | 4750 | ar->scan.state = ATH10K_SCAN_IDLE; |
5e3dd157 KV |
4751 | spin_unlock_bh(&ar->data_lock); |
4752 | } | |
4753 | ||
4754 | exit: | |
4755 | mutex_unlock(&ar->conf_mutex); | |
4756 | return ret; | |
4757 | } | |
4758 | ||
4759 | static void ath10k_cancel_hw_scan(struct ieee80211_hw *hw, | |
4760 | struct ieee80211_vif *vif) | |
4761 | { | |
4762 | struct ath10k *ar = hw->priv; | |
5e3dd157 KV |
4763 | |
4764 | mutex_lock(&ar->conf_mutex); | |
5c81c7fd | 4765 | ath10k_scan_abort(ar); |
5e3dd157 | 4766 | mutex_unlock(&ar->conf_mutex); |
4eb2e164 MK |
4767 | |
4768 | cancel_delayed_work_sync(&ar->scan.timeout); | |
5e3dd157 KV |
4769 | } |
4770 | ||
cfb27d29 MK |
4771 | static void ath10k_set_key_h_def_keyidx(struct ath10k *ar, |
4772 | struct ath10k_vif *arvif, | |
4773 | enum set_key_cmd cmd, | |
4774 | struct ieee80211_key_conf *key) | |
4775 | { | |
4776 | u32 vdev_param = arvif->ar->wmi.vdev_param->def_keyid; | |
4777 | int ret; | |
4778 | ||
4779 | /* 10.1 firmware branch requires default key index to be set to group | |
4780 | * key index after installing it. Otherwise FW/HW Txes corrupted | |
4781 | * frames with multi-vif APs. This is not required for main firmware | |
4782 | * branch (e.g. 636). | |
4783 | * | |
8461baf7 MK |
4784 | * This is also needed for 636 fw for IBSS-RSN to work more reliably. |
4785 | * | |
4786 | * FIXME: It remains unknown if this is required for multi-vif STA | |
4787 | * interfaces on 10.1. | |
4788 | */ | |
cfb27d29 | 4789 | |
8461baf7 MK |
4790 | if (arvif->vdev_type != WMI_VDEV_TYPE_AP && |
4791 | arvif->vdev_type != WMI_VDEV_TYPE_IBSS) | |
cfb27d29 MK |
4792 | return; |
4793 | ||
4794 | if (key->cipher == WLAN_CIPHER_SUITE_WEP40) | |
4795 | return; | |
4796 | ||
4797 | if (key->cipher == WLAN_CIPHER_SUITE_WEP104) | |
4798 | return; | |
4799 | ||
4800 | if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) | |
4801 | return; | |
4802 | ||
4803 | if (cmd != SET_KEY) | |
4804 | return; | |
4805 | ||
4806 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, | |
4807 | key->keyidx); | |
4808 | if (ret) | |
7aa7a72a | 4809 | ath10k_warn(ar, "failed to set vdev %i group key as default key: %d\n", |
69244e56 | 4810 | arvif->vdev_id, ret); |
cfb27d29 MK |
4811 | } |
4812 | ||
5e3dd157 KV |
4813 | static int ath10k_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, |
4814 | struct ieee80211_vif *vif, struct ieee80211_sta *sta, | |
4815 | struct ieee80211_key_conf *key) | |
4816 | { | |
4817 | struct ath10k *ar = hw->priv; | |
4818 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
4819 | struct ath10k_peer *peer; | |
4820 | const u8 *peer_addr; | |
4821 | bool is_wep = key->cipher == WLAN_CIPHER_SUITE_WEP40 || | |
4822 | key->cipher == WLAN_CIPHER_SUITE_WEP104; | |
4823 | int ret = 0; | |
29a10006 | 4824 | int ret2; |
370e5673 | 4825 | u32 flags = 0; |
29a10006 | 4826 | u32 flags2; |
5e3dd157 | 4827 | |
d7131c04 BM |
4828 | /* this one needs to be done in software */ |
4829 | if (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC) | |
4830 | return 1; | |
5e3dd157 | 4831 | |
ccec9038 DL |
4832 | if (arvif->nohwcrypt) |
4833 | return 1; | |
4834 | ||
5e3dd157 KV |
4835 | if (key->keyidx > WMI_MAX_KEY_INDEX) |
4836 | return -ENOSPC; | |
4837 | ||
4838 | mutex_lock(&ar->conf_mutex); | |
4839 | ||
4840 | if (sta) | |
4841 | peer_addr = sta->addr; | |
4842 | else if (arvif->vdev_type == WMI_VDEV_TYPE_STA) | |
4843 | peer_addr = vif->bss_conf.bssid; | |
4844 | else | |
4845 | peer_addr = vif->addr; | |
4846 | ||
4847 | key->hw_key_idx = key->keyidx; | |
4848 | ||
7c8cc7eb MK |
4849 | if (is_wep) { |
4850 | if (cmd == SET_KEY) | |
4851 | arvif->wep_keys[key->keyidx] = key; | |
4852 | else | |
4853 | arvif->wep_keys[key->keyidx] = NULL; | |
4854 | } | |
4855 | ||
5e3dd157 KV |
4856 | /* the peer should not disappear in mid-way (unless FW goes awry) since |
4857 | * we already hold conf_mutex. we just make sure its there now. */ | |
4858 | spin_lock_bh(&ar->data_lock); | |
4859 | peer = ath10k_peer_find(ar, arvif->vdev_id, peer_addr); | |
4860 | spin_unlock_bh(&ar->data_lock); | |
4861 | ||
4862 | if (!peer) { | |
4863 | if (cmd == SET_KEY) { | |
7aa7a72a | 4864 | ath10k_warn(ar, "failed to install key for non-existent peer %pM\n", |
5e3dd157 KV |
4865 | peer_addr); |
4866 | ret = -EOPNOTSUPP; | |
4867 | goto exit; | |
4868 | } else { | |
4869 | /* if the peer doesn't exist there is no key to disable | |
4870 | * anymore */ | |
4871 | goto exit; | |
4872 | } | |
4873 | } | |
4874 | ||
7cc4573e MK |
4875 | if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) |
4876 | flags |= WMI_KEY_PAIRWISE; | |
4877 | else | |
4878 | flags |= WMI_KEY_GROUP; | |
5e3dd157 | 4879 | |
5e3dd157 | 4880 | if (is_wep) { |
5e3dd157 KV |
4881 | if (cmd == DISABLE_KEY) |
4882 | ath10k_clear_vdev_key(arvif, key); | |
5e3dd157 | 4883 | |
ad325cb5 MK |
4884 | /* When WEP keys are uploaded it's possible that there are |
4885 | * stations associated already (e.g. when merging) without any | |
4886 | * keys. Static WEP needs an explicit per-peer key upload. | |
4887 | */ | |
4888 | if (vif->type == NL80211_IFTYPE_ADHOC && | |
4889 | cmd == SET_KEY) | |
4890 | ath10k_mac_vif_update_wep_key(arvif, key); | |
4891 | ||
370e5673 MK |
4892 | /* 802.1x never sets the def_wep_key_idx so each set_key() |
4893 | * call changes default tx key. | |
4894 | * | |
4895 | * Static WEP sets def_wep_key_idx via .set_default_unicast_key | |
4896 | * after first set_key(). | |
4897 | */ | |
4898 | if (cmd == SET_KEY && arvif->def_wep_key_idx == -1) | |
4899 | flags |= WMI_KEY_TX_USAGE; | |
370e5673 | 4900 | } |
627613f8 | 4901 | |
370e5673 | 4902 | ret = ath10k_install_key(arvif, key, cmd, peer_addr, flags); |
5e3dd157 | 4903 | if (ret) { |
ccec9038 | 4904 | WARN_ON(ret > 0); |
7aa7a72a | 4905 | ath10k_warn(ar, "failed to install key for vdev %i peer %pM: %d\n", |
69244e56 | 4906 | arvif->vdev_id, peer_addr, ret); |
5e3dd157 KV |
4907 | goto exit; |
4908 | } | |
4909 | ||
29a10006 MK |
4910 | /* mac80211 sets static WEP keys as groupwise while firmware requires |
4911 | * them to be installed twice as both pairwise and groupwise. | |
4912 | */ | |
4913 | if (is_wep && !sta && vif->type == NL80211_IFTYPE_STATION) { | |
4914 | flags2 = flags; | |
4915 | flags2 &= ~WMI_KEY_GROUP; | |
4916 | flags2 |= WMI_KEY_PAIRWISE; | |
4917 | ||
4918 | ret = ath10k_install_key(arvif, key, cmd, peer_addr, flags2); | |
4919 | if (ret) { | |
ccec9038 | 4920 | WARN_ON(ret > 0); |
29a10006 MK |
4921 | ath10k_warn(ar, "failed to install (ucast) key for vdev %i peer %pM: %d\n", |
4922 | arvif->vdev_id, peer_addr, ret); | |
4923 | ret2 = ath10k_install_key(arvif, key, DISABLE_KEY, | |
4924 | peer_addr, flags); | |
ccec9038 DL |
4925 | if (ret2) { |
4926 | WARN_ON(ret2 > 0); | |
29a10006 MK |
4927 | ath10k_warn(ar, "failed to disable (mcast) key for vdev %i peer %pM: %d\n", |
4928 | arvif->vdev_id, peer_addr, ret2); | |
ccec9038 | 4929 | } |
29a10006 MK |
4930 | goto exit; |
4931 | } | |
4932 | } | |
4933 | ||
cfb27d29 MK |
4934 | ath10k_set_key_h_def_keyidx(ar, arvif, cmd, key); |
4935 | ||
5e3dd157 KV |
4936 | spin_lock_bh(&ar->data_lock); |
4937 | peer = ath10k_peer_find(ar, arvif->vdev_id, peer_addr); | |
4938 | if (peer && cmd == SET_KEY) | |
4939 | peer->keys[key->keyidx] = key; | |
4940 | else if (peer && cmd == DISABLE_KEY) | |
4941 | peer->keys[key->keyidx] = NULL; | |
4942 | else if (peer == NULL) | |
4943 | /* impossible unless FW goes crazy */ | |
7aa7a72a | 4944 | ath10k_warn(ar, "Peer %pM disappeared!\n", peer_addr); |
5e3dd157 KV |
4945 | spin_unlock_bh(&ar->data_lock); |
4946 | ||
4947 | exit: | |
4948 | mutex_unlock(&ar->conf_mutex); | |
4949 | return ret; | |
4950 | } | |
4951 | ||
627613f8 SJ |
4952 | static void ath10k_set_default_unicast_key(struct ieee80211_hw *hw, |
4953 | struct ieee80211_vif *vif, | |
4954 | int keyidx) | |
4955 | { | |
4956 | struct ath10k *ar = hw->priv; | |
4957 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
4958 | int ret; | |
4959 | ||
4960 | mutex_lock(&arvif->ar->conf_mutex); | |
4961 | ||
4962 | if (arvif->ar->state != ATH10K_STATE_ON) | |
4963 | goto unlock; | |
4964 | ||
4965 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d set keyidx %d\n", | |
4966 | arvif->vdev_id, keyidx); | |
4967 | ||
4968 | ret = ath10k_wmi_vdev_set_param(arvif->ar, | |
4969 | arvif->vdev_id, | |
4970 | arvif->ar->wmi.vdev_param->def_keyid, | |
4971 | keyidx); | |
4972 | ||
4973 | if (ret) { | |
4974 | ath10k_warn(ar, "failed to update wep key index for vdev %d: %d\n", | |
4975 | arvif->vdev_id, | |
4976 | ret); | |
4977 | goto unlock; | |
4978 | } | |
4979 | ||
4980 | arvif->def_wep_key_idx = keyidx; | |
370e5673 | 4981 | |
627613f8 SJ |
4982 | unlock: |
4983 | mutex_unlock(&arvif->ar->conf_mutex); | |
4984 | } | |
4985 | ||
9797febc MK |
4986 | static void ath10k_sta_rc_update_wk(struct work_struct *wk) |
4987 | { | |
4988 | struct ath10k *ar; | |
4989 | struct ath10k_vif *arvif; | |
4990 | struct ath10k_sta *arsta; | |
4991 | struct ieee80211_sta *sta; | |
45c9abc0 MK |
4992 | struct cfg80211_chan_def def; |
4993 | enum ieee80211_band band; | |
4994 | const u8 *ht_mcs_mask; | |
4995 | const u16 *vht_mcs_mask; | |
9797febc MK |
4996 | u32 changed, bw, nss, smps; |
4997 | int err; | |
4998 | ||
4999 | arsta = container_of(wk, struct ath10k_sta, update_wk); | |
5000 | sta = container_of((void *)arsta, struct ieee80211_sta, drv_priv); | |
5001 | arvif = arsta->arvif; | |
5002 | ar = arvif->ar; | |
5003 | ||
45c9abc0 MK |
5004 | if (WARN_ON(ath10k_mac_vif_chan(arvif->vif, &def))) |
5005 | return; | |
5006 | ||
5007 | band = def.chan->band; | |
5008 | ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs; | |
5009 | vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs; | |
5010 | ||
9797febc MK |
5011 | spin_lock_bh(&ar->data_lock); |
5012 | ||
5013 | changed = arsta->changed; | |
5014 | arsta->changed = 0; | |
5015 | ||
5016 | bw = arsta->bw; | |
5017 | nss = arsta->nss; | |
5018 | smps = arsta->smps; | |
5019 | ||
5020 | spin_unlock_bh(&ar->data_lock); | |
5021 | ||
5022 | mutex_lock(&ar->conf_mutex); | |
5023 | ||
45c9abc0 MK |
5024 | nss = max_t(u32, 1, nss); |
5025 | nss = min(nss, max(ath10k_mac_max_ht_nss(ht_mcs_mask), | |
5026 | ath10k_mac_max_vht_nss(vht_mcs_mask))); | |
5027 | ||
9797febc | 5028 | if (changed & IEEE80211_RC_BW_CHANGED) { |
7aa7a72a | 5029 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM peer bw %d\n", |
9797febc MK |
5030 | sta->addr, bw); |
5031 | ||
5032 | err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr, | |
5033 | WMI_PEER_CHAN_WIDTH, bw); | |
5034 | if (err) | |
7aa7a72a | 5035 | ath10k_warn(ar, "failed to update STA %pM peer bw %d: %d\n", |
9797febc MK |
5036 | sta->addr, bw, err); |
5037 | } | |
5038 | ||
5039 | if (changed & IEEE80211_RC_NSS_CHANGED) { | |
7aa7a72a | 5040 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM nss %d\n", |
9797febc MK |
5041 | sta->addr, nss); |
5042 | ||
5043 | err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr, | |
5044 | WMI_PEER_NSS, nss); | |
5045 | if (err) | |
7aa7a72a | 5046 | ath10k_warn(ar, "failed to update STA %pM nss %d: %d\n", |
9797febc MK |
5047 | sta->addr, nss, err); |
5048 | } | |
5049 | ||
5050 | if (changed & IEEE80211_RC_SMPS_CHANGED) { | |
7aa7a72a | 5051 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM smps %d\n", |
9797febc MK |
5052 | sta->addr, smps); |
5053 | ||
5054 | err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr, | |
5055 | WMI_PEER_SMPS_STATE, smps); | |
5056 | if (err) | |
7aa7a72a | 5057 | ath10k_warn(ar, "failed to update STA %pM smps %d: %d\n", |
9797febc MK |
5058 | sta->addr, smps, err); |
5059 | } | |
5060 | ||
55884c04 JD |
5061 | if (changed & IEEE80211_RC_SUPP_RATES_CHANGED || |
5062 | changed & IEEE80211_RC_NSS_CHANGED) { | |
5063 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM supp rates/nss\n", | |
44d6fa90 CYY |
5064 | sta->addr); |
5065 | ||
590922a8 | 5066 | err = ath10k_station_assoc(ar, arvif->vif, sta, true); |
44d6fa90 | 5067 | if (err) |
7aa7a72a | 5068 | ath10k_warn(ar, "failed to reassociate station: %pM\n", |
44d6fa90 CYY |
5069 | sta->addr); |
5070 | } | |
5071 | ||
9797febc MK |
5072 | mutex_unlock(&ar->conf_mutex); |
5073 | } | |
5074 | ||
7c354242 MP |
5075 | static int ath10k_mac_inc_num_stations(struct ath10k_vif *arvif, |
5076 | struct ieee80211_sta *sta) | |
cfd1061e MK |
5077 | { |
5078 | struct ath10k *ar = arvif->ar; | |
5079 | ||
5080 | lockdep_assert_held(&ar->conf_mutex); | |
5081 | ||
7c354242 | 5082 | if (arvif->vdev_type == WMI_VDEV_TYPE_STA && !sta->tdls) |
cfd1061e MK |
5083 | return 0; |
5084 | ||
5085 | if (ar->num_stations >= ar->max_num_stations) | |
5086 | return -ENOBUFS; | |
5087 | ||
5088 | ar->num_stations++; | |
5089 | ||
5090 | return 0; | |
5091 | } | |
5092 | ||
7c354242 MP |
5093 | static void ath10k_mac_dec_num_stations(struct ath10k_vif *arvif, |
5094 | struct ieee80211_sta *sta) | |
cfd1061e MK |
5095 | { |
5096 | struct ath10k *ar = arvif->ar; | |
5097 | ||
5098 | lockdep_assert_held(&ar->conf_mutex); | |
5099 | ||
7c354242 | 5100 | if (arvif->vdev_type == WMI_VDEV_TYPE_STA && !sta->tdls) |
cfd1061e MK |
5101 | return; |
5102 | ||
5103 | ar->num_stations--; | |
5104 | } | |
5105 | ||
75d85fd9 MP |
5106 | struct ath10k_mac_tdls_iter_data { |
5107 | u32 num_tdls_stations; | |
5108 | struct ieee80211_vif *curr_vif; | |
5109 | }; | |
5110 | ||
5111 | static void ath10k_mac_tdls_vif_stations_count_iter(void *data, | |
5112 | struct ieee80211_sta *sta) | |
5e3dd157 | 5113 | { |
75d85fd9 | 5114 | struct ath10k_mac_tdls_iter_data *iter_data = data; |
9797febc | 5115 | struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; |
75d85fd9 | 5116 | struct ieee80211_vif *sta_vif = arsta->arvif->vif; |
5e3dd157 | 5117 | |
75d85fd9 MP |
5118 | if (sta->tdls && sta_vif == iter_data->curr_vif) |
5119 | iter_data->num_tdls_stations++; | |
5120 | } | |
5121 | ||
5122 | static int ath10k_mac_tdls_vif_stations_count(struct ieee80211_hw *hw, | |
5123 | struct ieee80211_vif *vif) | |
5124 | { | |
5125 | struct ath10k_mac_tdls_iter_data data = {}; | |
5126 | ||
5127 | data.curr_vif = vif; | |
5128 | ||
5129 | ieee80211_iterate_stations_atomic(hw, | |
5130 | ath10k_mac_tdls_vif_stations_count_iter, | |
5131 | &data); | |
5132 | return data.num_tdls_stations; | |
5133 | } | |
5134 | ||
5135 | static void ath10k_mac_tdls_vifs_count_iter(void *data, u8 *mac, | |
5136 | struct ieee80211_vif *vif) | |
5137 | { | |
5138 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
5139 | int *num_tdls_vifs = data; | |
5140 | ||
5141 | if (vif->type != NL80211_IFTYPE_STATION) | |
5142 | return; | |
5143 | ||
5144 | if (ath10k_mac_tdls_vif_stations_count(arvif->ar->hw, vif) > 0) | |
5145 | (*num_tdls_vifs)++; | |
5146 | } | |
5147 | ||
5148 | static int ath10k_mac_tdls_vifs_count(struct ieee80211_hw *hw) | |
5149 | { | |
5150 | int num_tdls_vifs = 0; | |
5151 | ||
5152 | ieee80211_iterate_active_interfaces_atomic(hw, | |
5153 | IEEE80211_IFACE_ITER_NORMAL, | |
5154 | ath10k_mac_tdls_vifs_count_iter, | |
5155 | &num_tdls_vifs); | |
5156 | return num_tdls_vifs; | |
5157 | } | |
5158 | ||
5e3dd157 KV |
5159 | static int ath10k_sta_state(struct ieee80211_hw *hw, |
5160 | struct ieee80211_vif *vif, | |
5161 | struct ieee80211_sta *sta, | |
5162 | enum ieee80211_sta_state old_state, | |
5163 | enum ieee80211_sta_state new_state) | |
5164 | { | |
5165 | struct ath10k *ar = hw->priv; | |
5166 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
9797febc | 5167 | struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; |
5e3dd157 KV |
5168 | int ret = 0; |
5169 | ||
76f90024 MK |
5170 | if (old_state == IEEE80211_STA_NOTEXIST && |
5171 | new_state == IEEE80211_STA_NONE) { | |
5172 | memset(arsta, 0, sizeof(*arsta)); | |
5173 | arsta->arvif = arvif; | |
5174 | INIT_WORK(&arsta->update_wk, ath10k_sta_rc_update_wk); | |
5175 | } | |
5176 | ||
9797febc MK |
5177 | /* cancel must be done outside the mutex to avoid deadlock */ |
5178 | if ((old_state == IEEE80211_STA_NONE && | |
5179 | new_state == IEEE80211_STA_NOTEXIST)) | |
5180 | cancel_work_sync(&arsta->update_wk); | |
5181 | ||
5e3dd157 KV |
5182 | mutex_lock(&ar->conf_mutex); |
5183 | ||
5184 | if (old_state == IEEE80211_STA_NOTEXIST && | |
077efc8c | 5185 | new_state == IEEE80211_STA_NONE) { |
5e3dd157 KV |
5186 | /* |
5187 | * New station addition. | |
5188 | */ | |
75d85fd9 MP |
5189 | enum wmi_peer_type peer_type = WMI_PEER_TYPE_DEFAULT; |
5190 | u32 num_tdls_stations; | |
5191 | u32 num_tdls_vifs; | |
5192 | ||
cfd1061e MK |
5193 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
5194 | "mac vdev %d peer create %pM (new sta) sta %d / %d peer %d / %d\n", | |
5195 | arvif->vdev_id, sta->addr, | |
5196 | ar->num_stations + 1, ar->max_num_stations, | |
5197 | ar->num_peers + 1, ar->max_num_peers); | |
0e759f36 | 5198 | |
7c354242 | 5199 | ret = ath10k_mac_inc_num_stations(arvif, sta); |
cfd1061e MK |
5200 | if (ret) { |
5201 | ath10k_warn(ar, "refusing to associate station: too many connected already (%d)\n", | |
5202 | ar->max_num_stations); | |
0e759f36 BM |
5203 | goto exit; |
5204 | } | |
5205 | ||
75d85fd9 MP |
5206 | if (sta->tdls) |
5207 | peer_type = WMI_PEER_TYPE_TDLS; | |
5208 | ||
7390ed34 | 5209 | ret = ath10k_peer_create(ar, arvif->vdev_id, sta->addr, |
75d85fd9 | 5210 | peer_type); |
a52c0282 | 5211 | if (ret) { |
7aa7a72a | 5212 | ath10k_warn(ar, "failed to add peer %pM for vdev %d when adding a new sta: %i\n", |
479398b0 | 5213 | sta->addr, arvif->vdev_id, ret); |
7c354242 | 5214 | ath10k_mac_dec_num_stations(arvif, sta); |
a52c0282 MK |
5215 | goto exit; |
5216 | } | |
077efc8c | 5217 | |
75d85fd9 MP |
5218 | if (!sta->tdls) |
5219 | goto exit; | |
5220 | ||
5221 | num_tdls_stations = ath10k_mac_tdls_vif_stations_count(hw, vif); | |
5222 | num_tdls_vifs = ath10k_mac_tdls_vifs_count(hw); | |
5223 | ||
5224 | if (num_tdls_vifs >= ar->max_num_tdls_vdevs && | |
5225 | num_tdls_stations == 0) { | |
5226 | ath10k_warn(ar, "vdev %i exceeded maximum number of tdls vdevs %i\n", | |
5227 | arvif->vdev_id, ar->max_num_tdls_vdevs); | |
5228 | ath10k_peer_delete(ar, arvif->vdev_id, sta->addr); | |
5229 | ath10k_mac_dec_num_stations(arvif, sta); | |
5230 | ret = -ENOBUFS; | |
a52c0282 MK |
5231 | goto exit; |
5232 | } | |
077efc8c | 5233 | |
75d85fd9 MP |
5234 | if (num_tdls_stations == 0) { |
5235 | /* This is the first tdls peer in current vif */ | |
5236 | enum wmi_tdls_state state = WMI_TDLS_ENABLE_ACTIVE; | |
077efc8c | 5237 | |
75d85fd9 MP |
5238 | ret = ath10k_wmi_update_fw_tdls_state(ar, arvif->vdev_id, |
5239 | state); | |
077efc8c | 5240 | if (ret) { |
75d85fd9 | 5241 | ath10k_warn(ar, "failed to update fw tdls state on vdev %i: %i\n", |
077efc8c | 5242 | arvif->vdev_id, ret); |
75d85fd9 MP |
5243 | ath10k_peer_delete(ar, arvif->vdev_id, |
5244 | sta->addr); | |
5245 | ath10k_mac_dec_num_stations(arvif, sta); | |
077efc8c MK |
5246 | goto exit; |
5247 | } | |
75d85fd9 MP |
5248 | } |
5249 | ||
5250 | ret = ath10k_mac_tdls_peer_update(ar, arvif->vdev_id, sta, | |
5251 | WMI_TDLS_PEER_STATE_PEERING); | |
5252 | if (ret) { | |
5253 | ath10k_warn(ar, | |
5254 | "failed to update tdls peer %pM for vdev %d when adding a new sta: %i\n", | |
5255 | sta->addr, arvif->vdev_id, ret); | |
5256 | ath10k_peer_delete(ar, arvif->vdev_id, sta->addr); | |
5257 | ath10k_mac_dec_num_stations(arvif, sta); | |
077efc8c | 5258 | |
75d85fd9 MP |
5259 | if (num_tdls_stations != 0) |
5260 | goto exit; | |
5261 | ath10k_wmi_update_fw_tdls_state(ar, arvif->vdev_id, | |
5262 | WMI_TDLS_DISABLE); | |
077efc8c | 5263 | } |
5e3dd157 KV |
5264 | } else if ((old_state == IEEE80211_STA_NONE && |
5265 | new_state == IEEE80211_STA_NOTEXIST)) { | |
5266 | /* | |
5267 | * Existing station deletion. | |
5268 | */ | |
7aa7a72a | 5269 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
60c3daa8 KV |
5270 | "mac vdev %d peer delete %pM (sta gone)\n", |
5271 | arvif->vdev_id, sta->addr); | |
077efc8c | 5272 | |
5e3dd157 KV |
5273 | ret = ath10k_peer_delete(ar, arvif->vdev_id, sta->addr); |
5274 | if (ret) | |
7aa7a72a | 5275 | ath10k_warn(ar, "failed to delete peer %pM for vdev %d: %i\n", |
69244e56 | 5276 | sta->addr, arvif->vdev_id, ret); |
5e3dd157 | 5277 | |
7c354242 | 5278 | ath10k_mac_dec_num_stations(arvif, sta); |
75d85fd9 MP |
5279 | |
5280 | if (!sta->tdls) | |
5281 | goto exit; | |
5282 | ||
5283 | if (ath10k_mac_tdls_vif_stations_count(hw, vif)) | |
5284 | goto exit; | |
5285 | ||
5286 | /* This was the last tdls peer in current vif */ | |
5287 | ret = ath10k_wmi_update_fw_tdls_state(ar, arvif->vdev_id, | |
5288 | WMI_TDLS_DISABLE); | |
5289 | if (ret) { | |
5290 | ath10k_warn(ar, "failed to update fw tdls state on vdev %i: %i\n", | |
5291 | arvif->vdev_id, ret); | |
5292 | } | |
5e3dd157 KV |
5293 | } else if (old_state == IEEE80211_STA_AUTH && |
5294 | new_state == IEEE80211_STA_ASSOC && | |
5295 | (vif->type == NL80211_IFTYPE_AP || | |
5296 | vif->type == NL80211_IFTYPE_ADHOC)) { | |
5297 | /* | |
5298 | * New association. | |
5299 | */ | |
7aa7a72a | 5300 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac sta %pM associated\n", |
60c3daa8 KV |
5301 | sta->addr); |
5302 | ||
590922a8 | 5303 | ret = ath10k_station_assoc(ar, vif, sta, false); |
5e3dd157 | 5304 | if (ret) |
7aa7a72a | 5305 | ath10k_warn(ar, "failed to associate station %pM for vdev %i: %i\n", |
69244e56 | 5306 | sta->addr, arvif->vdev_id, ret); |
5e3dd157 | 5307 | } else if (old_state == IEEE80211_STA_ASSOC && |
75d85fd9 MP |
5308 | new_state == IEEE80211_STA_AUTHORIZED && |
5309 | sta->tdls) { | |
5310 | /* | |
5311 | * Tdls station authorized. | |
5312 | */ | |
5313 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac tdls sta %pM authorized\n", | |
5314 | sta->addr); | |
5315 | ||
5316 | ret = ath10k_station_assoc(ar, vif, sta, false); | |
5317 | if (ret) { | |
5318 | ath10k_warn(ar, "failed to associate tdls station %pM for vdev %i: %i\n", | |
5319 | sta->addr, arvif->vdev_id, ret); | |
5320 | goto exit; | |
5321 | } | |
5322 | ||
5323 | ret = ath10k_mac_tdls_peer_update(ar, arvif->vdev_id, sta, | |
5324 | WMI_TDLS_PEER_STATE_CONNECTED); | |
5325 | if (ret) | |
5326 | ath10k_warn(ar, "failed to update tdls peer %pM for vdev %i: %i\n", | |
5327 | sta->addr, arvif->vdev_id, ret); | |
5328 | } else if (old_state == IEEE80211_STA_ASSOC && | |
5329 | new_state == IEEE80211_STA_AUTH && | |
5330 | (vif->type == NL80211_IFTYPE_AP || | |
5331 | vif->type == NL80211_IFTYPE_ADHOC)) { | |
5e3dd157 KV |
5332 | /* |
5333 | * Disassociation. | |
5334 | */ | |
7aa7a72a | 5335 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac sta %pM disassociated\n", |
60c3daa8 KV |
5336 | sta->addr); |
5337 | ||
590922a8 | 5338 | ret = ath10k_station_disassoc(ar, vif, sta); |
5e3dd157 | 5339 | if (ret) |
7aa7a72a | 5340 | ath10k_warn(ar, "failed to disassociate station: %pM vdev %i: %i\n", |
69244e56 | 5341 | sta->addr, arvif->vdev_id, ret); |
5e3dd157 | 5342 | } |
0e759f36 | 5343 | exit: |
5e3dd157 KV |
5344 | mutex_unlock(&ar->conf_mutex); |
5345 | return ret; | |
5346 | } | |
5347 | ||
5348 | static int ath10k_conf_tx_uapsd(struct ath10k *ar, struct ieee80211_vif *vif, | |
5b07e07f | 5349 | u16 ac, bool enable) |
5e3dd157 KV |
5350 | { |
5351 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
b0e56154 MK |
5352 | struct wmi_sta_uapsd_auto_trig_arg arg = {}; |
5353 | u32 prio = 0, acc = 0; | |
5e3dd157 KV |
5354 | u32 value = 0; |
5355 | int ret = 0; | |
5356 | ||
548db54c MK |
5357 | lockdep_assert_held(&ar->conf_mutex); |
5358 | ||
5e3dd157 KV |
5359 | if (arvif->vdev_type != WMI_VDEV_TYPE_STA) |
5360 | return 0; | |
5361 | ||
5362 | switch (ac) { | |
5363 | case IEEE80211_AC_VO: | |
5364 | value = WMI_STA_PS_UAPSD_AC3_DELIVERY_EN | | |
5365 | WMI_STA_PS_UAPSD_AC3_TRIGGER_EN; | |
b0e56154 MK |
5366 | prio = 7; |
5367 | acc = 3; | |
5e3dd157 KV |
5368 | break; |
5369 | case IEEE80211_AC_VI: | |
5370 | value = WMI_STA_PS_UAPSD_AC2_DELIVERY_EN | | |
5371 | WMI_STA_PS_UAPSD_AC2_TRIGGER_EN; | |
b0e56154 MK |
5372 | prio = 5; |
5373 | acc = 2; | |
5e3dd157 KV |
5374 | break; |
5375 | case IEEE80211_AC_BE: | |
5376 | value = WMI_STA_PS_UAPSD_AC1_DELIVERY_EN | | |
5377 | WMI_STA_PS_UAPSD_AC1_TRIGGER_EN; | |
b0e56154 MK |
5378 | prio = 2; |
5379 | acc = 1; | |
5e3dd157 KV |
5380 | break; |
5381 | case IEEE80211_AC_BK: | |
5382 | value = WMI_STA_PS_UAPSD_AC0_DELIVERY_EN | | |
5383 | WMI_STA_PS_UAPSD_AC0_TRIGGER_EN; | |
b0e56154 MK |
5384 | prio = 0; |
5385 | acc = 0; | |
5e3dd157 KV |
5386 | break; |
5387 | } | |
5388 | ||
5389 | if (enable) | |
5390 | arvif->u.sta.uapsd |= value; | |
5391 | else | |
5392 | arvif->u.sta.uapsd &= ~value; | |
5393 | ||
5394 | ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, | |
5395 | WMI_STA_PS_PARAM_UAPSD, | |
5396 | arvif->u.sta.uapsd); | |
5397 | if (ret) { | |
7aa7a72a | 5398 | ath10k_warn(ar, "failed to set uapsd params: %d\n", ret); |
5e3dd157 KV |
5399 | goto exit; |
5400 | } | |
5401 | ||
5402 | if (arvif->u.sta.uapsd) | |
5403 | value = WMI_STA_PS_RX_WAKE_POLICY_POLL_UAPSD; | |
5404 | else | |
5405 | value = WMI_STA_PS_RX_WAKE_POLICY_WAKE; | |
5406 | ||
5407 | ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, | |
5408 | WMI_STA_PS_PARAM_RX_WAKE_POLICY, | |
5409 | value); | |
5410 | if (ret) | |
7aa7a72a | 5411 | ath10k_warn(ar, "failed to set rx wake param: %d\n", ret); |
5e3dd157 | 5412 | |
9f9b5746 MK |
5413 | ret = ath10k_mac_vif_recalc_ps_wake_threshold(arvif); |
5414 | if (ret) { | |
5415 | ath10k_warn(ar, "failed to recalc ps wake threshold on vdev %i: %d\n", | |
5416 | arvif->vdev_id, ret); | |
5417 | return ret; | |
5418 | } | |
5419 | ||
5420 | ret = ath10k_mac_vif_recalc_ps_poll_count(arvif); | |
5421 | if (ret) { | |
5422 | ath10k_warn(ar, "failed to recalc ps poll count on vdev %i: %d\n", | |
5423 | arvif->vdev_id, ret); | |
5424 | return ret; | |
5425 | } | |
5426 | ||
b0e56154 MK |
5427 | if (test_bit(WMI_SERVICE_STA_UAPSD_BASIC_AUTO_TRIG, ar->wmi.svc_map) || |
5428 | test_bit(WMI_SERVICE_STA_UAPSD_VAR_AUTO_TRIG, ar->wmi.svc_map)) { | |
5429 | /* Only userspace can make an educated decision when to send | |
5430 | * trigger frame. The following effectively disables u-UAPSD | |
5431 | * autotrigger in firmware (which is enabled by default | |
5432 | * provided the autotrigger service is available). | |
5433 | */ | |
5434 | ||
5435 | arg.wmm_ac = acc; | |
5436 | arg.user_priority = prio; | |
5437 | arg.service_interval = 0; | |
5438 | arg.suspend_interval = WMI_STA_UAPSD_MAX_INTERVAL_MSEC; | |
5439 | arg.delay_interval = WMI_STA_UAPSD_MAX_INTERVAL_MSEC; | |
5440 | ||
5441 | ret = ath10k_wmi_vdev_sta_uapsd(ar, arvif->vdev_id, | |
5442 | arvif->bssid, &arg, 1); | |
5443 | if (ret) { | |
5444 | ath10k_warn(ar, "failed to set uapsd auto trigger %d\n", | |
5445 | ret); | |
5446 | return ret; | |
5447 | } | |
5448 | } | |
5449 | ||
5e3dd157 KV |
5450 | exit: |
5451 | return ret; | |
5452 | } | |
5453 | ||
5454 | static int ath10k_conf_tx(struct ieee80211_hw *hw, | |
5455 | struct ieee80211_vif *vif, u16 ac, | |
5456 | const struct ieee80211_tx_queue_params *params) | |
5457 | { | |
5458 | struct ath10k *ar = hw->priv; | |
5e752e42 | 5459 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); |
5e3dd157 KV |
5460 | struct wmi_wmm_params_arg *p = NULL; |
5461 | int ret; | |
5462 | ||
5463 | mutex_lock(&ar->conf_mutex); | |
5464 | ||
5465 | switch (ac) { | |
5466 | case IEEE80211_AC_VO: | |
5e752e42 | 5467 | p = &arvif->wmm_params.ac_vo; |
5e3dd157 KV |
5468 | break; |
5469 | case IEEE80211_AC_VI: | |
5e752e42 | 5470 | p = &arvif->wmm_params.ac_vi; |
5e3dd157 KV |
5471 | break; |
5472 | case IEEE80211_AC_BE: | |
5e752e42 | 5473 | p = &arvif->wmm_params.ac_be; |
5e3dd157 KV |
5474 | break; |
5475 | case IEEE80211_AC_BK: | |
5e752e42 | 5476 | p = &arvif->wmm_params.ac_bk; |
5e3dd157 KV |
5477 | break; |
5478 | } | |
5479 | ||
5480 | if (WARN_ON(!p)) { | |
5481 | ret = -EINVAL; | |
5482 | goto exit; | |
5483 | } | |
5484 | ||
5485 | p->cwmin = params->cw_min; | |
5486 | p->cwmax = params->cw_max; | |
5487 | p->aifs = params->aifs; | |
5488 | ||
5489 | /* | |
5490 | * The channel time duration programmed in the HW is in absolute | |
5491 | * microseconds, while mac80211 gives the txop in units of | |
5492 | * 32 microseconds. | |
5493 | */ | |
5494 | p->txop = params->txop * 32; | |
5495 | ||
7fc979a7 MK |
5496 | if (ar->wmi.ops->gen_vdev_wmm_conf) { |
5497 | ret = ath10k_wmi_vdev_wmm_conf(ar, arvif->vdev_id, | |
5498 | &arvif->wmm_params); | |
5499 | if (ret) { | |
5500 | ath10k_warn(ar, "failed to set vdev wmm params on vdev %i: %d\n", | |
5501 | arvif->vdev_id, ret); | |
5502 | goto exit; | |
5503 | } | |
5504 | } else { | |
5505 | /* This won't work well with multi-interface cases but it's | |
5506 | * better than nothing. | |
5507 | */ | |
5508 | ret = ath10k_wmi_pdev_set_wmm_params(ar, &arvif->wmm_params); | |
5509 | if (ret) { | |
5510 | ath10k_warn(ar, "failed to set wmm params: %d\n", ret); | |
5511 | goto exit; | |
5512 | } | |
5e3dd157 KV |
5513 | } |
5514 | ||
5515 | ret = ath10k_conf_tx_uapsd(ar, vif, ac, params->uapsd); | |
5516 | if (ret) | |
7aa7a72a | 5517 | ath10k_warn(ar, "failed to set sta uapsd: %d\n", ret); |
5e3dd157 KV |
5518 | |
5519 | exit: | |
5520 | mutex_unlock(&ar->conf_mutex); | |
5521 | return ret; | |
5522 | } | |
5523 | ||
5524 | #define ATH10K_ROC_TIMEOUT_HZ (2*HZ) | |
5525 | ||
5526 | static int ath10k_remain_on_channel(struct ieee80211_hw *hw, | |
5527 | struct ieee80211_vif *vif, | |
5528 | struct ieee80211_channel *chan, | |
5529 | int duration, | |
5530 | enum ieee80211_roc_type type) | |
5531 | { | |
5532 | struct ath10k *ar = hw->priv; | |
5533 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
5534 | struct wmi_start_scan_arg arg; | |
5c81c7fd | 5535 | int ret = 0; |
fcf98446 | 5536 | u32 scan_time_msec; |
5e3dd157 KV |
5537 | |
5538 | mutex_lock(&ar->conf_mutex); | |
5539 | ||
5540 | spin_lock_bh(&ar->data_lock); | |
5c81c7fd MK |
5541 | switch (ar->scan.state) { |
5542 | case ATH10K_SCAN_IDLE: | |
5543 | reinit_completion(&ar->scan.started); | |
5544 | reinit_completion(&ar->scan.completed); | |
5545 | reinit_completion(&ar->scan.on_channel); | |
5546 | ar->scan.state = ATH10K_SCAN_STARTING; | |
5547 | ar->scan.is_roc = true; | |
5548 | ar->scan.vdev_id = arvif->vdev_id; | |
5549 | ar->scan.roc_freq = chan->center_freq; | |
d710e75d | 5550 | ar->scan.roc_notify = true; |
5c81c7fd MK |
5551 | ret = 0; |
5552 | break; | |
5553 | case ATH10K_SCAN_STARTING: | |
5554 | case ATH10K_SCAN_RUNNING: | |
5555 | case ATH10K_SCAN_ABORTING: | |
5e3dd157 | 5556 | ret = -EBUSY; |
5c81c7fd | 5557 | break; |
5e3dd157 | 5558 | } |
5e3dd157 KV |
5559 | spin_unlock_bh(&ar->data_lock); |
5560 | ||
5c81c7fd MK |
5561 | if (ret) |
5562 | goto exit; | |
5563 | ||
fcf98446 | 5564 | scan_time_msec = ar->hw->wiphy->max_remain_on_channel_duration * 2; |
dcca0bdb | 5565 | |
5e3dd157 KV |
5566 | memset(&arg, 0, sizeof(arg)); |
5567 | ath10k_wmi_start_scan_init(ar, &arg); | |
5568 | arg.vdev_id = arvif->vdev_id; | |
5569 | arg.scan_id = ATH10K_SCAN_ID; | |
5570 | arg.n_channels = 1; | |
5571 | arg.channels[0] = chan->center_freq; | |
fcf98446 MK |
5572 | arg.dwell_time_active = scan_time_msec; |
5573 | arg.dwell_time_passive = scan_time_msec; | |
5574 | arg.max_scan_time = scan_time_msec; | |
5e3dd157 KV |
5575 | arg.scan_ctrl_flags |= WMI_SCAN_FLAG_PASSIVE; |
5576 | arg.scan_ctrl_flags |= WMI_SCAN_FILTER_PROBE_REQ; | |
dbd3f9f3 | 5577 | arg.burst_duration_ms = duration; |
5e3dd157 KV |
5578 | |
5579 | ret = ath10k_start_scan(ar, &arg); | |
5580 | if (ret) { | |
7aa7a72a | 5581 | ath10k_warn(ar, "failed to start roc scan: %d\n", ret); |
5e3dd157 | 5582 | spin_lock_bh(&ar->data_lock); |
5c81c7fd | 5583 | ar->scan.state = ATH10K_SCAN_IDLE; |
5e3dd157 KV |
5584 | spin_unlock_bh(&ar->data_lock); |
5585 | goto exit; | |
5586 | } | |
5587 | ||
5588 | ret = wait_for_completion_timeout(&ar->scan.on_channel, 3*HZ); | |
5589 | if (ret == 0) { | |
7aa7a72a | 5590 | ath10k_warn(ar, "failed to switch to channel for roc scan\n"); |
5c81c7fd MK |
5591 | |
5592 | ret = ath10k_scan_stop(ar); | |
5593 | if (ret) | |
7aa7a72a | 5594 | ath10k_warn(ar, "failed to stop scan: %d\n", ret); |
5c81c7fd | 5595 | |
5e3dd157 KV |
5596 | ret = -ETIMEDOUT; |
5597 | goto exit; | |
5598 | } | |
5599 | ||
fcf98446 MK |
5600 | ieee80211_queue_delayed_work(ar->hw, &ar->scan.timeout, |
5601 | msecs_to_jiffies(duration)); | |
5602 | ||
5e3dd157 KV |
5603 | ret = 0; |
5604 | exit: | |
5605 | mutex_unlock(&ar->conf_mutex); | |
5606 | return ret; | |
5607 | } | |
5608 | ||
5609 | static int ath10k_cancel_remain_on_channel(struct ieee80211_hw *hw) | |
5610 | { | |
5611 | struct ath10k *ar = hw->priv; | |
5612 | ||
5613 | mutex_lock(&ar->conf_mutex); | |
d710e75d MK |
5614 | |
5615 | spin_lock_bh(&ar->data_lock); | |
5616 | ar->scan.roc_notify = false; | |
5617 | spin_unlock_bh(&ar->data_lock); | |
5618 | ||
5c81c7fd | 5619 | ath10k_scan_abort(ar); |
d710e75d | 5620 | |
5e3dd157 KV |
5621 | mutex_unlock(&ar->conf_mutex); |
5622 | ||
4eb2e164 MK |
5623 | cancel_delayed_work_sync(&ar->scan.timeout); |
5624 | ||
5e3dd157 KV |
5625 | return 0; |
5626 | } | |
5627 | ||
5628 | /* | |
5629 | * Both RTS and Fragmentation threshold are interface-specific | |
5630 | * in ath10k, but device-specific in mac80211. | |
5631 | */ | |
5e3dd157 | 5632 | |
ad088bfa MK |
5633 | static int ath10k_set_rts_threshold(struct ieee80211_hw *hw, u32 value) |
5634 | { | |
5635 | struct ath10k *ar = hw->priv; | |
5636 | struct ath10k_vif *arvif; | |
5637 | int ret = 0; | |
548db54c | 5638 | |
5e3dd157 | 5639 | mutex_lock(&ar->conf_mutex); |
ad088bfa | 5640 | list_for_each_entry(arvif, &ar->arvifs, list) { |
7aa7a72a | 5641 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d rts threshold %d\n", |
ad088bfa MK |
5642 | arvif->vdev_id, value); |
5643 | ||
5644 | ret = ath10k_mac_set_rts(arvif, value); | |
5645 | if (ret) { | |
7aa7a72a | 5646 | ath10k_warn(ar, "failed to set rts threshold for vdev %d: %d\n", |
ad088bfa MK |
5647 | arvif->vdev_id, ret); |
5648 | break; | |
5649 | } | |
5650 | } | |
5e3dd157 KV |
5651 | mutex_unlock(&ar->conf_mutex); |
5652 | ||
ad088bfa | 5653 | return ret; |
5e3dd157 KV |
5654 | } |
5655 | ||
92092fe5 MK |
5656 | static int ath10k_mac_op_set_frag_threshold(struct ieee80211_hw *hw, u32 value) |
5657 | { | |
5658 | /* Even though there's a WMI enum for fragmentation threshold no known | |
5659 | * firmware actually implements it. Moreover it is not possible to rely | |
5660 | * frame fragmentation to mac80211 because firmware clears the "more | |
5661 | * fragments" bit in frame control making it impossible for remote | |
5662 | * devices to reassemble frames. | |
5663 | * | |
5664 | * Hence implement a dummy callback just to say fragmentation isn't | |
5665 | * supported. This effectively prevents mac80211 from doing frame | |
5666 | * fragmentation in software. | |
5667 | */ | |
5668 | return -EOPNOTSUPP; | |
5669 | } | |
5670 | ||
77be2c54 EG |
5671 | static void ath10k_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
5672 | u32 queues, bool drop) | |
5e3dd157 KV |
5673 | { |
5674 | struct ath10k *ar = hw->priv; | |
affd3217 | 5675 | bool skip; |
d4298a3a | 5676 | long time_left; |
5e3dd157 KV |
5677 | |
5678 | /* mac80211 doesn't care if we really xmit queued frames or not | |
5679 | * we'll collect those frames either way if we stop/delete vdevs */ | |
5680 | if (drop) | |
5681 | return; | |
5682 | ||
548db54c MK |
5683 | mutex_lock(&ar->conf_mutex); |
5684 | ||
affd3217 MK |
5685 | if (ar->state == ATH10K_STATE_WEDGED) |
5686 | goto skip; | |
5687 | ||
d4298a3a | 5688 | time_left = wait_event_timeout(ar->htt.empty_tx_wq, ({ |
5e3dd157 | 5689 | bool empty; |
affd3217 | 5690 | |
edb8236d | 5691 | spin_lock_bh(&ar->htt.tx_lock); |
0945baf7 | 5692 | empty = (ar->htt.num_pending_tx == 0); |
edb8236d | 5693 | spin_unlock_bh(&ar->htt.tx_lock); |
affd3217 | 5694 | |
7962b0d8 MK |
5695 | skip = (ar->state == ATH10K_STATE_WEDGED) || |
5696 | test_bit(ATH10K_FLAG_CRASH_FLUSH, | |
5697 | &ar->dev_flags); | |
affd3217 MK |
5698 | |
5699 | (empty || skip); | |
5e3dd157 | 5700 | }), ATH10K_FLUSH_TIMEOUT_HZ); |
affd3217 | 5701 | |
d4298a3a NMG |
5702 | if (time_left == 0 || skip) |
5703 | ath10k_warn(ar, "failed to flush transmit queue (skip %i ar-state %i): %ld\n", | |
5704 | skip, ar->state, time_left); | |
548db54c | 5705 | |
affd3217 | 5706 | skip: |
548db54c | 5707 | mutex_unlock(&ar->conf_mutex); |
5e3dd157 KV |
5708 | } |
5709 | ||
5710 | /* TODO: Implement this function properly | |
5711 | * For now it is needed to reply to Probe Requests in IBSS mode. | |
5712 | * Propably we need this information from FW. | |
5713 | */ | |
5714 | static int ath10k_tx_last_beacon(struct ieee80211_hw *hw) | |
5715 | { | |
5716 | return 1; | |
5717 | } | |
5718 | ||
cf2c92d8 EP |
5719 | static void ath10k_reconfig_complete(struct ieee80211_hw *hw, |
5720 | enum ieee80211_reconfig_type reconfig_type) | |
affd3217 MK |
5721 | { |
5722 | struct ath10k *ar = hw->priv; | |
5723 | ||
cf2c92d8 EP |
5724 | if (reconfig_type != IEEE80211_RECONFIG_TYPE_RESTART) |
5725 | return; | |
5726 | ||
affd3217 MK |
5727 | mutex_lock(&ar->conf_mutex); |
5728 | ||
5729 | /* If device failed to restart it will be in a different state, e.g. | |
5730 | * ATH10K_STATE_WEDGED */ | |
5731 | if (ar->state == ATH10K_STATE_RESTARTED) { | |
7aa7a72a | 5732 | ath10k_info(ar, "device successfully recovered\n"); |
affd3217 | 5733 | ar->state = ATH10K_STATE_ON; |
7962b0d8 | 5734 | ieee80211_wake_queues(ar->hw); |
affd3217 MK |
5735 | } |
5736 | ||
5737 | mutex_unlock(&ar->conf_mutex); | |
5738 | } | |
5739 | ||
2e1dea40 MK |
5740 | static int ath10k_get_survey(struct ieee80211_hw *hw, int idx, |
5741 | struct survey_info *survey) | |
5742 | { | |
5743 | struct ath10k *ar = hw->priv; | |
5744 | struct ieee80211_supported_band *sband; | |
5745 | struct survey_info *ar_survey = &ar->survey[idx]; | |
5746 | int ret = 0; | |
5747 | ||
5748 | mutex_lock(&ar->conf_mutex); | |
5749 | ||
5750 | sband = hw->wiphy->bands[IEEE80211_BAND_2GHZ]; | |
5751 | if (sband && idx >= sband->n_channels) { | |
5752 | idx -= sband->n_channels; | |
5753 | sband = NULL; | |
5754 | } | |
5755 | ||
5756 | if (!sband) | |
5757 | sband = hw->wiphy->bands[IEEE80211_BAND_5GHZ]; | |
5758 | ||
5759 | if (!sband || idx >= sband->n_channels) { | |
5760 | ret = -ENOENT; | |
5761 | goto exit; | |
5762 | } | |
5763 | ||
5764 | spin_lock_bh(&ar->data_lock); | |
5765 | memcpy(survey, ar_survey, sizeof(*survey)); | |
5766 | spin_unlock_bh(&ar->data_lock); | |
5767 | ||
5768 | survey->channel = &sband->channels[idx]; | |
5769 | ||
fa1d4df8 FF |
5770 | if (ar->rx_channel == survey->channel) |
5771 | survey->filled |= SURVEY_INFO_IN_USE; | |
5772 | ||
2e1dea40 MK |
5773 | exit: |
5774 | mutex_unlock(&ar->conf_mutex); | |
5775 | return ret; | |
5776 | } | |
5777 | ||
51ab1a0a | 5778 | static bool |
3ae54225 MK |
5779 | ath10k_mac_bitrate_mask_has_single_rate(struct ath10k *ar, |
5780 | enum ieee80211_band band, | |
5781 | const struct cfg80211_bitrate_mask *mask) | |
51ab1a0a | 5782 | { |
3ae54225 MK |
5783 | int num_rates = 0; |
5784 | int i; | |
51ab1a0a | 5785 | |
3ae54225 | 5786 | num_rates += hweight32(mask->control[band].legacy); |
51ab1a0a | 5787 | |
3ae54225 MK |
5788 | for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++) |
5789 | num_rates += hweight8(mask->control[band].ht_mcs[i]); | |
51ab1a0a | 5790 | |
3ae54225 MK |
5791 | for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) |
5792 | num_rates += hweight16(mask->control[band].vht_mcs[i]); | |
51ab1a0a | 5793 | |
3ae54225 | 5794 | return num_rates == 1; |
51ab1a0a JD |
5795 | } |
5796 | ||
5797 | static bool | |
3ae54225 MK |
5798 | ath10k_mac_bitrate_mask_get_single_nss(struct ath10k *ar, |
5799 | enum ieee80211_band band, | |
5800 | const struct cfg80211_bitrate_mask *mask, | |
5801 | int *nss) | |
5802 | { | |
5803 | struct ieee80211_supported_band *sband = &ar->mac.sbands[band]; | |
5804 | u16 vht_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map); | |
5805 | u8 ht_nss_mask = 0; | |
5806 | u8 vht_nss_mask = 0; | |
5807 | int i; | |
51ab1a0a | 5808 | |
3ae54225 | 5809 | if (mask->control[band].legacy) |
51ab1a0a JD |
5810 | return false; |
5811 | ||
3ae54225 MK |
5812 | for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++) { |
5813 | if (mask->control[band].ht_mcs[i] == 0) | |
51ab1a0a | 5814 | continue; |
3ae54225 MK |
5815 | else if (mask->control[band].ht_mcs[i] == |
5816 | sband->ht_cap.mcs.rx_mask[i]) | |
5817 | ht_nss_mask |= BIT(i); | |
5818 | else | |
5819 | return false; | |
51ab1a0a JD |
5820 | } |
5821 | ||
3ae54225 MK |
5822 | for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) { |
5823 | if (mask->control[band].vht_mcs[i] == 0) | |
51ab1a0a | 5824 | continue; |
3ae54225 MK |
5825 | else if (mask->control[band].vht_mcs[i] == |
5826 | ath10k_mac_get_max_vht_mcs_map(vht_mcs_map, i)) | |
5827 | vht_nss_mask |= BIT(i); | |
5828 | else | |
5829 | return false; | |
51ab1a0a JD |
5830 | } |
5831 | ||
3ae54225 | 5832 | if (ht_nss_mask != vht_nss_mask) |
51ab1a0a JD |
5833 | return false; |
5834 | ||
3ae54225 | 5835 | if (ht_nss_mask == 0) |
51ab1a0a JD |
5836 | return false; |
5837 | ||
3ae54225 | 5838 | if (BIT(fls(ht_nss_mask)) - 1 != ht_nss_mask) |
51ab1a0a JD |
5839 | return false; |
5840 | ||
3ae54225 | 5841 | *nss = fls(ht_nss_mask); |
51ab1a0a JD |
5842 | |
5843 | return true; | |
5844 | } | |
5845 | ||
3ae54225 MK |
5846 | static int |
5847 | ath10k_mac_bitrate_mask_get_single_rate(struct ath10k *ar, | |
5848 | enum ieee80211_band band, | |
5849 | const struct cfg80211_bitrate_mask *mask, | |
5850 | u8 *rate, u8 *nss) | |
51ab1a0a | 5851 | { |
3ae54225 MK |
5852 | struct ieee80211_supported_band *sband = &ar->mac.sbands[band]; |
5853 | int rate_idx; | |
5854 | int i; | |
5855 | u16 bitrate; | |
5856 | u8 preamble; | |
5857 | u8 hw_rate; | |
51ab1a0a | 5858 | |
3ae54225 MK |
5859 | if (hweight32(mask->control[band].legacy) == 1) { |
5860 | rate_idx = ffs(mask->control[band].legacy) - 1; | |
51ab1a0a | 5861 | |
3ae54225 MK |
5862 | hw_rate = sband->bitrates[rate_idx].hw_value; |
5863 | bitrate = sband->bitrates[rate_idx].bitrate; | |
51ab1a0a | 5864 | |
3ae54225 MK |
5865 | if (ath10k_mac_bitrate_is_cck(bitrate)) |
5866 | preamble = WMI_RATE_PREAMBLE_CCK; | |
5867 | else | |
5868 | preamble = WMI_RATE_PREAMBLE_OFDM; | |
51ab1a0a | 5869 | |
3ae54225 MK |
5870 | *nss = 1; |
5871 | *rate = preamble << 6 | | |
5872 | (*nss - 1) << 4 | | |
5873 | hw_rate << 0; | |
51ab1a0a | 5874 | |
3ae54225 | 5875 | return 0; |
51ab1a0a JD |
5876 | } |
5877 | ||
3ae54225 MK |
5878 | for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++) { |
5879 | if (hweight8(mask->control[band].ht_mcs[i]) == 1) { | |
5880 | *nss = i + 1; | |
5881 | *rate = WMI_RATE_PREAMBLE_HT << 6 | | |
5882 | (*nss - 1) << 4 | | |
5883 | (ffs(mask->control[band].ht_mcs[i]) - 1); | |
51ab1a0a | 5884 | |
3ae54225 MK |
5885 | return 0; |
5886 | } | |
5887 | } | |
51ab1a0a | 5888 | |
3ae54225 MK |
5889 | for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) { |
5890 | if (hweight16(mask->control[band].vht_mcs[i]) == 1) { | |
5891 | *nss = i + 1; | |
5892 | *rate = WMI_RATE_PREAMBLE_VHT << 6 | | |
5893 | (*nss - 1) << 4 | | |
5894 | (ffs(mask->control[band].vht_mcs[i]) - 1); | |
51ab1a0a | 5895 | |
3ae54225 MK |
5896 | return 0; |
5897 | } | |
5898 | } | |
51ab1a0a | 5899 | |
3ae54225 | 5900 | return -EINVAL; |
51ab1a0a JD |
5901 | } |
5902 | ||
3ae54225 MK |
5903 | static int ath10k_mac_set_fixed_rate_params(struct ath10k_vif *arvif, |
5904 | u8 rate, u8 nss, u8 sgi) | |
51ab1a0a JD |
5905 | { |
5906 | struct ath10k *ar = arvif->ar; | |
5907 | u32 vdev_param; | |
3ae54225 | 5908 | int ret; |
51ab1a0a | 5909 | |
3ae54225 | 5910 | lockdep_assert_held(&ar->conf_mutex); |
51ab1a0a | 5911 | |
3ae54225 MK |
5912 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac set fixed rate params vdev %i rate 0x%02hhx nss %hhu sgi %hhu\n", |
5913 | arvif->vdev_id, rate, nss, sgi); | |
9f81f725 | 5914 | |
51ab1a0a | 5915 | vdev_param = ar->wmi.vdev_param->fixed_rate; |
3ae54225 | 5916 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, rate); |
51ab1a0a | 5917 | if (ret) { |
7aa7a72a | 5918 | ath10k_warn(ar, "failed to set fixed rate param 0x%02x: %d\n", |
3ae54225 MK |
5919 | rate, ret); |
5920 | return ret; | |
51ab1a0a JD |
5921 | } |
5922 | ||
51ab1a0a | 5923 | vdev_param = ar->wmi.vdev_param->nss; |
3ae54225 | 5924 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, nss); |
51ab1a0a | 5925 | if (ret) { |
3ae54225 MK |
5926 | ath10k_warn(ar, "failed to set nss param %d: %d\n", nss, ret); |
5927 | return ret; | |
51ab1a0a | 5928 | } |
51ab1a0a | 5929 | |
9f81f725 | 5930 | vdev_param = ar->wmi.vdev_param->sgi; |
3ae54225 | 5931 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, sgi); |
51ab1a0a | 5932 | if (ret) { |
3ae54225 MK |
5933 | ath10k_warn(ar, "failed to set sgi param %d: %d\n", sgi, ret); |
5934 | return ret; | |
51ab1a0a JD |
5935 | } |
5936 | ||
3ae54225 | 5937 | return 0; |
51ab1a0a | 5938 | } |
51ab1a0a | 5939 | |
45c9abc0 MK |
5940 | static bool |
5941 | ath10k_mac_can_set_bitrate_mask(struct ath10k *ar, | |
5942 | enum ieee80211_band band, | |
5943 | const struct cfg80211_bitrate_mask *mask) | |
5944 | { | |
5945 | int i; | |
5946 | u16 vht_mcs; | |
9f81f725 | 5947 | |
45c9abc0 MK |
5948 | /* Due to firmware limitation in WMI_PEER_ASSOC_CMDID it is impossible |
5949 | * to express all VHT MCS rate masks. Effectively only the following | |
5950 | * ranges can be used: none, 0-7, 0-8 and 0-9. | |
5951 | */ | |
5952 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) { | |
5953 | vht_mcs = mask->control[band].vht_mcs[i]; | |
5954 | ||
5955 | switch (vht_mcs) { | |
5956 | case 0: | |
5957 | case BIT(8) - 1: | |
5958 | case BIT(9) - 1: | |
5959 | case BIT(10) - 1: | |
5960 | break; | |
5961 | default: | |
5962 | ath10k_warn(ar, "refusing bitrate mask with missing 0-7 VHT MCS rates\n"); | |
5963 | return false; | |
5964 | } | |
9f81f725 JD |
5965 | } |
5966 | ||
45c9abc0 MK |
5967 | return true; |
5968 | } | |
9f81f725 | 5969 | |
45c9abc0 MK |
5970 | static void ath10k_mac_set_bitrate_mask_iter(void *data, |
5971 | struct ieee80211_sta *sta) | |
5972 | { | |
5973 | struct ath10k_vif *arvif = data; | |
5974 | struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; | |
5975 | struct ath10k *ar = arvif->ar; | |
5976 | ||
5977 | if (arsta->arvif != arvif) | |
5978 | return; | |
5979 | ||
5980 | spin_lock_bh(&ar->data_lock); | |
5981 | arsta->changed |= IEEE80211_RC_SUPP_RATES_CHANGED; | |
5982 | spin_unlock_bh(&ar->data_lock); | |
5983 | ||
5984 | ieee80211_queue_work(ar->hw, &arsta->update_wk); | |
51ab1a0a JD |
5985 | } |
5986 | ||
3ae54225 MK |
5987 | static int ath10k_mac_op_set_bitrate_mask(struct ieee80211_hw *hw, |
5988 | struct ieee80211_vif *vif, | |
5989 | const struct cfg80211_bitrate_mask *mask) | |
51ab1a0a JD |
5990 | { |
5991 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
500ff9f9 | 5992 | struct cfg80211_chan_def def; |
51ab1a0a | 5993 | struct ath10k *ar = arvif->ar; |
500ff9f9 | 5994 | enum ieee80211_band band; |
45c9abc0 MK |
5995 | const u8 *ht_mcs_mask; |
5996 | const u16 *vht_mcs_mask; | |
3ae54225 MK |
5997 | u8 rate; |
5998 | u8 nss; | |
5999 | u8 sgi; | |
6000 | int single_nss; | |
6001 | int ret; | |
9f81f725 | 6002 | |
500ff9f9 MK |
6003 | if (ath10k_mac_vif_chan(vif, &def)) |
6004 | return -EPERM; | |
b116ea19 | 6005 | |
500ff9f9 | 6006 | band = def.chan->band; |
45c9abc0 MK |
6007 | ht_mcs_mask = mask->control[band].ht_mcs; |
6008 | vht_mcs_mask = mask->control[band].vht_mcs; | |
b116ea19 | 6009 | |
3ae54225 MK |
6010 | sgi = mask->control[band].gi; |
6011 | if (sgi == NL80211_TXRATE_FORCE_LGI) | |
9f81f725 | 6012 | return -EINVAL; |
51ab1a0a | 6013 | |
3ae54225 MK |
6014 | if (ath10k_mac_bitrate_mask_has_single_rate(ar, band, mask)) { |
6015 | ret = ath10k_mac_bitrate_mask_get_single_rate(ar, band, mask, | |
6016 | &rate, &nss); | |
6017 | if (ret) { | |
6018 | ath10k_warn(ar, "failed to get single rate for vdev %i: %d\n", | |
6019 | arvif->vdev_id, ret); | |
6020 | return ret; | |
6021 | } | |
6022 | } else if (ath10k_mac_bitrate_mask_get_single_nss(ar, band, mask, | |
6023 | &single_nss)) { | |
6024 | rate = WMI_FIXED_RATE_NONE; | |
6025 | nss = single_nss; | |
6026 | } else { | |
6027 | rate = WMI_FIXED_RATE_NONE; | |
45c9abc0 MK |
6028 | nss = min(ar->num_rf_chains, |
6029 | max(ath10k_mac_max_ht_nss(ht_mcs_mask), | |
6030 | ath10k_mac_max_vht_nss(vht_mcs_mask))); | |
6031 | ||
6032 | if (!ath10k_mac_can_set_bitrate_mask(ar, band, mask)) | |
51ab1a0a | 6033 | return -EINVAL; |
45c9abc0 MK |
6034 | |
6035 | mutex_lock(&ar->conf_mutex); | |
6036 | ||
6037 | arvif->bitrate_mask = *mask; | |
6038 | ieee80211_iterate_stations_atomic(ar->hw, | |
6039 | ath10k_mac_set_bitrate_mask_iter, | |
6040 | arvif); | |
6041 | ||
6042 | mutex_unlock(&ar->conf_mutex); | |
51ab1a0a JD |
6043 | } |
6044 | ||
3ae54225 MK |
6045 | mutex_lock(&ar->conf_mutex); |
6046 | ||
6047 | ret = ath10k_mac_set_fixed_rate_params(arvif, rate, nss, sgi); | |
6048 | if (ret) { | |
6049 | ath10k_warn(ar, "failed to set fixed rate params on vdev %i: %d\n", | |
6050 | arvif->vdev_id, ret); | |
6051 | goto exit; | |
9f81f725 JD |
6052 | } |
6053 | ||
3ae54225 MK |
6054 | exit: |
6055 | mutex_unlock(&ar->conf_mutex); | |
6056 | ||
6057 | return ret; | |
51ab1a0a JD |
6058 | } |
6059 | ||
9797febc MK |
6060 | static void ath10k_sta_rc_update(struct ieee80211_hw *hw, |
6061 | struct ieee80211_vif *vif, | |
6062 | struct ieee80211_sta *sta, | |
6063 | u32 changed) | |
6064 | { | |
6065 | struct ath10k *ar = hw->priv; | |
6066 | struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; | |
6067 | u32 bw, smps; | |
6068 | ||
6069 | spin_lock_bh(&ar->data_lock); | |
6070 | ||
7aa7a72a | 6071 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
9797febc MK |
6072 | "mac sta rc update for %pM changed %08x bw %d nss %d smps %d\n", |
6073 | sta->addr, changed, sta->bandwidth, sta->rx_nss, | |
6074 | sta->smps_mode); | |
6075 | ||
6076 | if (changed & IEEE80211_RC_BW_CHANGED) { | |
6077 | bw = WMI_PEER_CHWIDTH_20MHZ; | |
6078 | ||
6079 | switch (sta->bandwidth) { | |
6080 | case IEEE80211_STA_RX_BW_20: | |
6081 | bw = WMI_PEER_CHWIDTH_20MHZ; | |
6082 | break; | |
6083 | case IEEE80211_STA_RX_BW_40: | |
6084 | bw = WMI_PEER_CHWIDTH_40MHZ; | |
6085 | break; | |
6086 | case IEEE80211_STA_RX_BW_80: | |
6087 | bw = WMI_PEER_CHWIDTH_80MHZ; | |
6088 | break; | |
6089 | case IEEE80211_STA_RX_BW_160: | |
d939be3a | 6090 | ath10k_warn(ar, "Invalid bandwidth %d in rc update for %pM\n", |
be6546fc | 6091 | sta->bandwidth, sta->addr); |
9797febc MK |
6092 | bw = WMI_PEER_CHWIDTH_20MHZ; |
6093 | break; | |
6094 | } | |
6095 | ||
6096 | arsta->bw = bw; | |
6097 | } | |
6098 | ||
6099 | if (changed & IEEE80211_RC_NSS_CHANGED) | |
6100 | arsta->nss = sta->rx_nss; | |
6101 | ||
6102 | if (changed & IEEE80211_RC_SMPS_CHANGED) { | |
6103 | smps = WMI_PEER_SMPS_PS_NONE; | |
6104 | ||
6105 | switch (sta->smps_mode) { | |
6106 | case IEEE80211_SMPS_AUTOMATIC: | |
6107 | case IEEE80211_SMPS_OFF: | |
6108 | smps = WMI_PEER_SMPS_PS_NONE; | |
6109 | break; | |
6110 | case IEEE80211_SMPS_STATIC: | |
6111 | smps = WMI_PEER_SMPS_STATIC; | |
6112 | break; | |
6113 | case IEEE80211_SMPS_DYNAMIC: | |
6114 | smps = WMI_PEER_SMPS_DYNAMIC; | |
6115 | break; | |
6116 | case IEEE80211_SMPS_NUM_MODES: | |
7aa7a72a | 6117 | ath10k_warn(ar, "Invalid smps %d in sta rc update for %pM\n", |
be6546fc | 6118 | sta->smps_mode, sta->addr); |
9797febc MK |
6119 | smps = WMI_PEER_SMPS_PS_NONE; |
6120 | break; | |
6121 | } | |
6122 | ||
6123 | arsta->smps = smps; | |
6124 | } | |
6125 | ||
9797febc MK |
6126 | arsta->changed |= changed; |
6127 | ||
6128 | spin_unlock_bh(&ar->data_lock); | |
6129 | ||
6130 | ieee80211_queue_work(hw, &arsta->update_wk); | |
6131 | } | |
6132 | ||
26ebbccf CYY |
6133 | static u64 ath10k_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) |
6134 | { | |
6135 | /* | |
6136 | * FIXME: Return 0 for time being. Need to figure out whether FW | |
6137 | * has the API to fetch 64-bit local TSF | |
6138 | */ | |
6139 | ||
6140 | return 0; | |
6141 | } | |
6142 | ||
aa5b4fbc MK |
6143 | static int ath10k_ampdu_action(struct ieee80211_hw *hw, |
6144 | struct ieee80211_vif *vif, | |
6145 | enum ieee80211_ampdu_mlme_action action, | |
6146 | struct ieee80211_sta *sta, u16 tid, u16 *ssn, | |
6147 | u8 buf_size) | |
6148 | { | |
7aa7a72a | 6149 | struct ath10k *ar = hw->priv; |
aa5b4fbc MK |
6150 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); |
6151 | ||
7aa7a72a | 6152 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac ampdu vdev_id %i sta %pM tid %hu action %d\n", |
aa5b4fbc MK |
6153 | arvif->vdev_id, sta->addr, tid, action); |
6154 | ||
6155 | switch (action) { | |
6156 | case IEEE80211_AMPDU_RX_START: | |
6157 | case IEEE80211_AMPDU_RX_STOP: | |
6158 | /* HTT AddBa/DelBa events trigger mac80211 Rx BA session | |
6159 | * creation/removal. Do we need to verify this? | |
6160 | */ | |
6161 | return 0; | |
6162 | case IEEE80211_AMPDU_TX_START: | |
6163 | case IEEE80211_AMPDU_TX_STOP_CONT: | |
6164 | case IEEE80211_AMPDU_TX_STOP_FLUSH: | |
6165 | case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: | |
6166 | case IEEE80211_AMPDU_TX_OPERATIONAL: | |
6167 | /* Firmware offloads Tx aggregation entirely so deny mac80211 | |
6168 | * Tx aggregation requests. | |
6169 | */ | |
6170 | return -EOPNOTSUPP; | |
6171 | } | |
6172 | ||
6173 | return -EINVAL; | |
6174 | } | |
6175 | ||
500ff9f9 | 6176 | static void |
d7bf4b4a MK |
6177 | ath10k_mac_update_rx_channel(struct ath10k *ar, |
6178 | struct ieee80211_chanctx_conf *ctx, | |
6179 | struct ieee80211_vif_chanctx_switch *vifs, | |
6180 | int n_vifs) | |
500ff9f9 MK |
6181 | { |
6182 | struct cfg80211_chan_def *def = NULL; | |
6183 | ||
6184 | /* Both locks are required because ar->rx_channel is modified. This | |
6185 | * allows readers to hold either lock. | |
6186 | */ | |
6187 | lockdep_assert_held(&ar->conf_mutex); | |
6188 | lockdep_assert_held(&ar->data_lock); | |
6189 | ||
d7bf4b4a MK |
6190 | WARN_ON(ctx && vifs); |
6191 | WARN_ON(vifs && n_vifs != 1); | |
6192 | ||
500ff9f9 MK |
6193 | /* FIXME: Sort of an optimization and a workaround. Peers and vifs are |
6194 | * on a linked list now. Doing a lookup peer -> vif -> chanctx for each | |
6195 | * ppdu on Rx may reduce performance on low-end systems. It should be | |
6196 | * possible to make tables/hashmaps to speed the lookup up (be vary of | |
6197 | * cpu data cache lines though regarding sizes) but to keep the initial | |
6198 | * implementation simple and less intrusive fallback to the slow lookup | |
6199 | * only for multi-channel cases. Single-channel cases will remain to | |
6200 | * use the old channel derival and thus performance should not be | |
6201 | * affected much. | |
6202 | */ | |
6203 | rcu_read_lock(); | |
d7bf4b4a | 6204 | if (!ctx && ath10k_mac_num_chanctxs(ar) == 1) { |
500ff9f9 MK |
6205 | ieee80211_iter_chan_contexts_atomic(ar->hw, |
6206 | ath10k_mac_get_any_chandef_iter, | |
6207 | &def); | |
d7bf4b4a MK |
6208 | |
6209 | if (vifs) | |
6210 | def = &vifs[0].new_ctx->def; | |
6211 | ||
500ff9f9 | 6212 | ar->rx_channel = def->chan; |
d7bf4b4a MK |
6213 | } else if (ctx && ath10k_mac_num_chanctxs(ar) == 0) { |
6214 | ar->rx_channel = ctx->def.chan; | |
500ff9f9 MK |
6215 | } else { |
6216 | ar->rx_channel = NULL; | |
6217 | } | |
6218 | rcu_read_unlock(); | |
6219 | } | |
6220 | ||
500ff9f9 MK |
6221 | static int |
6222 | ath10k_mac_op_add_chanctx(struct ieee80211_hw *hw, | |
6223 | struct ieee80211_chanctx_conf *ctx) | |
6224 | { | |
6225 | struct ath10k *ar = hw->priv; | |
500ff9f9 MK |
6226 | |
6227 | ath10k_dbg(ar, ATH10K_DBG_MAC, | |
6228 | "mac chanctx add freq %hu width %d ptr %p\n", | |
6229 | ctx->def.chan->center_freq, ctx->def.width, ctx); | |
6230 | ||
6231 | mutex_lock(&ar->conf_mutex); | |
6232 | ||
6233 | spin_lock_bh(&ar->data_lock); | |
d7bf4b4a | 6234 | ath10k_mac_update_rx_channel(ar, ctx, NULL, 0); |
500ff9f9 MK |
6235 | spin_unlock_bh(&ar->data_lock); |
6236 | ||
6237 | ath10k_recalc_radar_detection(ar); | |
6238 | ath10k_monitor_recalc(ar); | |
6239 | ||
6240 | mutex_unlock(&ar->conf_mutex); | |
6241 | ||
6242 | return 0; | |
6243 | } | |
6244 | ||
6245 | static void | |
6246 | ath10k_mac_op_remove_chanctx(struct ieee80211_hw *hw, | |
6247 | struct ieee80211_chanctx_conf *ctx) | |
6248 | { | |
6249 | struct ath10k *ar = hw->priv; | |
6250 | ||
6251 | ath10k_dbg(ar, ATH10K_DBG_MAC, | |
6252 | "mac chanctx remove freq %hu width %d ptr %p\n", | |
6253 | ctx->def.chan->center_freq, ctx->def.width, ctx); | |
6254 | ||
6255 | mutex_lock(&ar->conf_mutex); | |
6256 | ||
6257 | spin_lock_bh(&ar->data_lock); | |
d7bf4b4a | 6258 | ath10k_mac_update_rx_channel(ar, NULL, NULL, 0); |
500ff9f9 MK |
6259 | spin_unlock_bh(&ar->data_lock); |
6260 | ||
6261 | ath10k_recalc_radar_detection(ar); | |
6262 | ath10k_monitor_recalc(ar); | |
6263 | ||
6264 | mutex_unlock(&ar->conf_mutex); | |
6265 | } | |
6266 | ||
6267 | static void | |
6268 | ath10k_mac_op_change_chanctx(struct ieee80211_hw *hw, | |
6269 | struct ieee80211_chanctx_conf *ctx, | |
6270 | u32 changed) | |
6271 | { | |
6272 | struct ath10k *ar = hw->priv; | |
500ff9f9 MK |
6273 | |
6274 | mutex_lock(&ar->conf_mutex); | |
6275 | ||
6276 | ath10k_dbg(ar, ATH10K_DBG_MAC, | |
089ab7a5 MK |
6277 | "mac chanctx change freq %hu width %d ptr %p changed %x\n", |
6278 | ctx->def.chan->center_freq, ctx->def.width, ctx, changed); | |
500ff9f9 MK |
6279 | |
6280 | /* This shouldn't really happen because channel switching should use | |
6281 | * switch_vif_chanctx(). | |
6282 | */ | |
6283 | if (WARN_ON(changed & IEEE80211_CHANCTX_CHANGE_CHANNEL)) | |
6284 | goto unlock; | |
6285 | ||
500ff9f9 MK |
6286 | ath10k_recalc_radar_detection(ar); |
6287 | ||
6288 | /* FIXME: How to configure Rx chains properly? */ | |
6289 | ||
6290 | /* No other actions are actually necessary. Firmware maintains channel | |
6291 | * definitions per vdev internally and there's no host-side channel | |
6292 | * context abstraction to configure, e.g. channel width. | |
6293 | */ | |
6294 | ||
6295 | unlock: | |
6296 | mutex_unlock(&ar->conf_mutex); | |
6297 | } | |
6298 | ||
6299 | static int | |
6300 | ath10k_mac_op_assign_vif_chanctx(struct ieee80211_hw *hw, | |
6301 | struct ieee80211_vif *vif, | |
6302 | struct ieee80211_chanctx_conf *ctx) | |
6303 | { | |
6304 | struct ath10k *ar = hw->priv; | |
500ff9f9 MK |
6305 | struct ath10k_vif *arvif = (void *)vif->drv_priv; |
6306 | int ret; | |
6307 | ||
6308 | mutex_lock(&ar->conf_mutex); | |
6309 | ||
6310 | ath10k_dbg(ar, ATH10K_DBG_MAC, | |
6311 | "mac chanctx assign ptr %p vdev_id %i\n", | |
6312 | ctx, arvif->vdev_id); | |
6313 | ||
6314 | if (WARN_ON(arvif->is_started)) { | |
6315 | mutex_unlock(&ar->conf_mutex); | |
6316 | return -EBUSY; | |
6317 | } | |
6318 | ||
089ab7a5 | 6319 | ret = ath10k_vdev_start(arvif, &ctx->def); |
500ff9f9 MK |
6320 | if (ret) { |
6321 | ath10k_warn(ar, "failed to start vdev %i addr %pM on freq %d: %d\n", | |
6322 | arvif->vdev_id, vif->addr, | |
089ab7a5 | 6323 | ctx->def.chan->center_freq, ret); |
500ff9f9 MK |
6324 | goto err; |
6325 | } | |
6326 | ||
6327 | arvif->is_started = true; | |
6328 | ||
f23e587e MK |
6329 | ret = ath10k_mac_vif_setup_ps(arvif); |
6330 | if (ret) { | |
6331 | ath10k_warn(ar, "failed to update vdev %i ps: %d\n", | |
6332 | arvif->vdev_id, ret); | |
6333 | goto err_stop; | |
6334 | } | |
6335 | ||
500ff9f9 MK |
6336 | if (vif->type == NL80211_IFTYPE_MONITOR) { |
6337 | ret = ath10k_wmi_vdev_up(ar, arvif->vdev_id, 0, vif->addr); | |
6338 | if (ret) { | |
6339 | ath10k_warn(ar, "failed to up monitor vdev %i: %d\n", | |
6340 | arvif->vdev_id, ret); | |
6341 | goto err_stop; | |
6342 | } | |
6343 | ||
6344 | arvif->is_up = true; | |
6345 | } | |
6346 | ||
6347 | mutex_unlock(&ar->conf_mutex); | |
6348 | return 0; | |
6349 | ||
6350 | err_stop: | |
6351 | ath10k_vdev_stop(arvif); | |
6352 | arvif->is_started = false; | |
f23e587e | 6353 | ath10k_mac_vif_setup_ps(arvif); |
500ff9f9 MK |
6354 | |
6355 | err: | |
6356 | mutex_unlock(&ar->conf_mutex); | |
6357 | return ret; | |
6358 | } | |
6359 | ||
6360 | static void | |
6361 | ath10k_mac_op_unassign_vif_chanctx(struct ieee80211_hw *hw, | |
6362 | struct ieee80211_vif *vif, | |
6363 | struct ieee80211_chanctx_conf *ctx) | |
6364 | { | |
6365 | struct ath10k *ar = hw->priv; | |
6366 | struct ath10k_vif *arvif = (void *)vif->drv_priv; | |
6367 | int ret; | |
6368 | ||
6369 | mutex_lock(&ar->conf_mutex); | |
6370 | ||
6371 | ath10k_dbg(ar, ATH10K_DBG_MAC, | |
6372 | "mac chanctx unassign ptr %p vdev_id %i\n", | |
6373 | ctx, arvif->vdev_id); | |
6374 | ||
6375 | WARN_ON(!arvif->is_started); | |
6376 | ||
6377 | if (vif->type == NL80211_IFTYPE_MONITOR) { | |
6378 | WARN_ON(!arvif->is_up); | |
6379 | ||
6380 | ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id); | |
6381 | if (ret) | |
6382 | ath10k_warn(ar, "failed to down monitor vdev %i: %d\n", | |
6383 | arvif->vdev_id, ret); | |
6384 | ||
6385 | arvif->is_up = false; | |
6386 | } | |
6387 | ||
6388 | ret = ath10k_vdev_stop(arvif); | |
6389 | if (ret) | |
6390 | ath10k_warn(ar, "failed to stop vdev %i: %d\n", | |
6391 | arvif->vdev_id, ret); | |
6392 | ||
6393 | arvif->is_started = false; | |
6394 | ||
6395 | mutex_unlock(&ar->conf_mutex); | |
6396 | } | |
6397 | ||
6398 | static int | |
6399 | ath10k_mac_op_switch_vif_chanctx(struct ieee80211_hw *hw, | |
6400 | struct ieee80211_vif_chanctx_switch *vifs, | |
6401 | int n_vifs, | |
6402 | enum ieee80211_chanctx_switch_mode mode) | |
6403 | { | |
6404 | struct ath10k *ar = hw->priv; | |
6405 | struct ath10k_vif *arvif; | |
0e6eb417 | 6406 | int ret; |
500ff9f9 MK |
6407 | int i; |
6408 | ||
6409 | mutex_lock(&ar->conf_mutex); | |
6410 | ||
6411 | ath10k_dbg(ar, ATH10K_DBG_MAC, | |
6412 | "mac chanctx switch n_vifs %d mode %d\n", | |
6413 | n_vifs, mode); | |
6414 | ||
0e6eb417 MK |
6415 | /* First stop monitor interface. Some FW versions crash if there's a |
6416 | * lone monitor interface. | |
6417 | */ | |
6418 | if (ar->monitor_started) | |
6419 | ath10k_monitor_stop(ar); | |
6420 | ||
500ff9f9 MK |
6421 | for (i = 0; i < n_vifs; i++) { |
6422 | arvif = ath10k_vif_to_arvif(vifs[i].vif); | |
500ff9f9 MK |
6423 | |
6424 | ath10k_dbg(ar, ATH10K_DBG_MAC, | |
089ab7a5 | 6425 | "mac chanctx switch vdev_id %i freq %hu->%hu width %d->%d\n", |
500ff9f9 MK |
6426 | arvif->vdev_id, |
6427 | vifs[i].old_ctx->def.chan->center_freq, | |
6428 | vifs[i].new_ctx->def.chan->center_freq, | |
6429 | vifs[i].old_ctx->def.width, | |
089ab7a5 | 6430 | vifs[i].new_ctx->def.width); |
500ff9f9 | 6431 | |
0e6eb417 MK |
6432 | if (WARN_ON(!arvif->is_started)) |
6433 | continue; | |
500ff9f9 | 6434 | |
0e6eb417 MK |
6435 | if (WARN_ON(!arvif->is_up)) |
6436 | continue; | |
500ff9f9 | 6437 | |
0e6eb417 MK |
6438 | ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id); |
6439 | if (ret) { | |
6440 | ath10k_warn(ar, "failed to down vdev %d: %d\n", | |
6441 | arvif->vdev_id, ret); | |
6442 | continue; | |
6443 | } | |
500ff9f9 | 6444 | } |
0e6eb417 MK |
6445 | |
6446 | /* All relevant vdevs are downed and associated channel resources | |
6447 | * should be available for the channel switch now. | |
6448 | */ | |
6449 | ||
6450 | spin_lock_bh(&ar->data_lock); | |
d7bf4b4a | 6451 | ath10k_mac_update_rx_channel(ar, NULL, vifs, n_vifs); |
500ff9f9 MK |
6452 | spin_unlock_bh(&ar->data_lock); |
6453 | ||
0e6eb417 MK |
6454 | for (i = 0; i < n_vifs; i++) { |
6455 | arvif = ath10k_vif_to_arvif(vifs[i].vif); | |
6456 | ||
6457 | if (WARN_ON(!arvif->is_started)) | |
6458 | continue; | |
6459 | ||
6460 | if (WARN_ON(!arvif->is_up)) | |
6461 | continue; | |
6462 | ||
6463 | ret = ath10k_mac_setup_bcn_tmpl(arvif); | |
6464 | if (ret) | |
6465 | ath10k_warn(ar, "failed to update bcn tmpl during csa: %d\n", | |
6466 | ret); | |
6467 | ||
6468 | ret = ath10k_mac_setup_prb_tmpl(arvif); | |
6469 | if (ret) | |
6470 | ath10k_warn(ar, "failed to update prb tmpl during csa: %d\n", | |
6471 | ret); | |
6472 | ||
6473 | ret = ath10k_vdev_restart(arvif, &vifs[i].new_ctx->def); | |
6474 | if (ret) { | |
6475 | ath10k_warn(ar, "failed to restart vdev %d: %d\n", | |
6476 | arvif->vdev_id, ret); | |
6477 | continue; | |
6478 | } | |
6479 | ||
6480 | ret = ath10k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid, | |
6481 | arvif->bssid); | |
6482 | if (ret) { | |
6483 | ath10k_warn(ar, "failed to bring vdev up %d: %d\n", | |
6484 | arvif->vdev_id, ret); | |
6485 | continue; | |
6486 | } | |
6487 | } | |
6488 | ||
6489 | ath10k_monitor_recalc(ar); | |
500ff9f9 MK |
6490 | |
6491 | mutex_unlock(&ar->conf_mutex); | |
6492 | return 0; | |
6493 | } | |
6494 | ||
5e3dd157 KV |
6495 | static const struct ieee80211_ops ath10k_ops = { |
6496 | .tx = ath10k_tx, | |
6497 | .start = ath10k_start, | |
6498 | .stop = ath10k_stop, | |
6499 | .config = ath10k_config, | |
6500 | .add_interface = ath10k_add_interface, | |
6501 | .remove_interface = ath10k_remove_interface, | |
6502 | .configure_filter = ath10k_configure_filter, | |
6503 | .bss_info_changed = ath10k_bss_info_changed, | |
6504 | .hw_scan = ath10k_hw_scan, | |
6505 | .cancel_hw_scan = ath10k_cancel_hw_scan, | |
6506 | .set_key = ath10k_set_key, | |
627613f8 | 6507 | .set_default_unicast_key = ath10k_set_default_unicast_key, |
5e3dd157 KV |
6508 | .sta_state = ath10k_sta_state, |
6509 | .conf_tx = ath10k_conf_tx, | |
6510 | .remain_on_channel = ath10k_remain_on_channel, | |
6511 | .cancel_remain_on_channel = ath10k_cancel_remain_on_channel, | |
6512 | .set_rts_threshold = ath10k_set_rts_threshold, | |
92092fe5 | 6513 | .set_frag_threshold = ath10k_mac_op_set_frag_threshold, |
5e3dd157 KV |
6514 | .flush = ath10k_flush, |
6515 | .tx_last_beacon = ath10k_tx_last_beacon, | |
46acf7bb BG |
6516 | .set_antenna = ath10k_set_antenna, |
6517 | .get_antenna = ath10k_get_antenna, | |
cf2c92d8 | 6518 | .reconfig_complete = ath10k_reconfig_complete, |
2e1dea40 | 6519 | .get_survey = ath10k_get_survey, |
3ae54225 | 6520 | .set_bitrate_mask = ath10k_mac_op_set_bitrate_mask, |
9797febc | 6521 | .sta_rc_update = ath10k_sta_rc_update, |
26ebbccf | 6522 | .get_tsf = ath10k_get_tsf, |
aa5b4fbc | 6523 | .ampdu_action = ath10k_ampdu_action, |
6cddcc7a BG |
6524 | .get_et_sset_count = ath10k_debug_get_et_sset_count, |
6525 | .get_et_stats = ath10k_debug_get_et_stats, | |
6526 | .get_et_strings = ath10k_debug_get_et_strings, | |
500ff9f9 MK |
6527 | .add_chanctx = ath10k_mac_op_add_chanctx, |
6528 | .remove_chanctx = ath10k_mac_op_remove_chanctx, | |
6529 | .change_chanctx = ath10k_mac_op_change_chanctx, | |
6530 | .assign_vif_chanctx = ath10k_mac_op_assign_vif_chanctx, | |
6531 | .unassign_vif_chanctx = ath10k_mac_op_unassign_vif_chanctx, | |
6532 | .switch_vif_chanctx = ath10k_mac_op_switch_vif_chanctx, | |
43d2a30f KV |
6533 | |
6534 | CFG80211_TESTMODE_CMD(ath10k_tm_cmd) | |
6535 | ||
8cd13cad | 6536 | #ifdef CONFIG_PM |
5fd3ac3c JD |
6537 | .suspend = ath10k_wow_op_suspend, |
6538 | .resume = ath10k_wow_op_resume, | |
8cd13cad | 6539 | #endif |
f5045988 RM |
6540 | #ifdef CONFIG_MAC80211_DEBUGFS |
6541 | .sta_add_debugfs = ath10k_sta_add_debugfs, | |
6542 | #endif | |
5e3dd157 KV |
6543 | }; |
6544 | ||
5e3dd157 KV |
6545 | #define CHAN2G(_channel, _freq, _flags) { \ |
6546 | .band = IEEE80211_BAND_2GHZ, \ | |
6547 | .hw_value = (_channel), \ | |
6548 | .center_freq = (_freq), \ | |
6549 | .flags = (_flags), \ | |
6550 | .max_antenna_gain = 0, \ | |
6551 | .max_power = 30, \ | |
6552 | } | |
6553 | ||
6554 | #define CHAN5G(_channel, _freq, _flags) { \ | |
6555 | .band = IEEE80211_BAND_5GHZ, \ | |
6556 | .hw_value = (_channel), \ | |
6557 | .center_freq = (_freq), \ | |
6558 | .flags = (_flags), \ | |
6559 | .max_antenna_gain = 0, \ | |
6560 | .max_power = 30, \ | |
6561 | } | |
6562 | ||
6563 | static const struct ieee80211_channel ath10k_2ghz_channels[] = { | |
6564 | CHAN2G(1, 2412, 0), | |
6565 | CHAN2G(2, 2417, 0), | |
6566 | CHAN2G(3, 2422, 0), | |
6567 | CHAN2G(4, 2427, 0), | |
6568 | CHAN2G(5, 2432, 0), | |
6569 | CHAN2G(6, 2437, 0), | |
6570 | CHAN2G(7, 2442, 0), | |
6571 | CHAN2G(8, 2447, 0), | |
6572 | CHAN2G(9, 2452, 0), | |
6573 | CHAN2G(10, 2457, 0), | |
6574 | CHAN2G(11, 2462, 0), | |
6575 | CHAN2G(12, 2467, 0), | |
6576 | CHAN2G(13, 2472, 0), | |
6577 | CHAN2G(14, 2484, 0), | |
6578 | }; | |
6579 | ||
6580 | static const struct ieee80211_channel ath10k_5ghz_channels[] = { | |
429ff56a MK |
6581 | CHAN5G(36, 5180, 0), |
6582 | CHAN5G(40, 5200, 0), | |
6583 | CHAN5G(44, 5220, 0), | |
6584 | CHAN5G(48, 5240, 0), | |
6585 | CHAN5G(52, 5260, 0), | |
6586 | CHAN5G(56, 5280, 0), | |
6587 | CHAN5G(60, 5300, 0), | |
6588 | CHAN5G(64, 5320, 0), | |
6589 | CHAN5G(100, 5500, 0), | |
6590 | CHAN5G(104, 5520, 0), | |
6591 | CHAN5G(108, 5540, 0), | |
6592 | CHAN5G(112, 5560, 0), | |
6593 | CHAN5G(116, 5580, 0), | |
6594 | CHAN5G(120, 5600, 0), | |
6595 | CHAN5G(124, 5620, 0), | |
6596 | CHAN5G(128, 5640, 0), | |
6597 | CHAN5G(132, 5660, 0), | |
6598 | CHAN5G(136, 5680, 0), | |
6599 | CHAN5G(140, 5700, 0), | |
4a7898fe | 6600 | CHAN5G(144, 5720, 0), |
429ff56a MK |
6601 | CHAN5G(149, 5745, 0), |
6602 | CHAN5G(153, 5765, 0), | |
6603 | CHAN5G(157, 5785, 0), | |
6604 | CHAN5G(161, 5805, 0), | |
6605 | CHAN5G(165, 5825, 0), | |
5e3dd157 KV |
6606 | }; |
6607 | ||
e7b54194 | 6608 | struct ath10k *ath10k_mac_create(size_t priv_size) |
5e3dd157 KV |
6609 | { |
6610 | struct ieee80211_hw *hw; | |
6611 | struct ath10k *ar; | |
6612 | ||
e7b54194 | 6613 | hw = ieee80211_alloc_hw(sizeof(struct ath10k) + priv_size, &ath10k_ops); |
5e3dd157 KV |
6614 | if (!hw) |
6615 | return NULL; | |
6616 | ||
6617 | ar = hw->priv; | |
6618 | ar->hw = hw; | |
6619 | ||
6620 | return ar; | |
6621 | } | |
6622 | ||
6623 | void ath10k_mac_destroy(struct ath10k *ar) | |
6624 | { | |
6625 | ieee80211_free_hw(ar->hw); | |
6626 | } | |
6627 | ||
6628 | static const struct ieee80211_iface_limit ath10k_if_limits[] = { | |
6629 | { | |
6630 | .max = 8, | |
6631 | .types = BIT(NL80211_IFTYPE_STATION) | |
6632 | | BIT(NL80211_IFTYPE_P2P_CLIENT) | |
d531cb85 MK |
6633 | }, |
6634 | { | |
6635 | .max = 3, | |
6636 | .types = BIT(NL80211_IFTYPE_P2P_GO) | |
6637 | }, | |
6638 | { | |
75d2bd48 MK |
6639 | .max = 1, |
6640 | .types = BIT(NL80211_IFTYPE_P2P_DEVICE) | |
6641 | }, | |
6642 | { | |
d531cb85 MK |
6643 | .max = 7, |
6644 | .types = BIT(NL80211_IFTYPE_AP) | |
6645 | }, | |
5e3dd157 KV |
6646 | }; |
6647 | ||
f259509b | 6648 | static const struct ieee80211_iface_limit ath10k_10x_if_limits[] = { |
e8a50f8b MP |
6649 | { |
6650 | .max = 8, | |
6651 | .types = BIT(NL80211_IFTYPE_AP) | |
6652 | }, | |
6653 | }; | |
e8a50f8b MP |
6654 | |
6655 | static const struct ieee80211_iface_combination ath10k_if_comb[] = { | |
6656 | { | |
6657 | .limits = ath10k_if_limits, | |
6658 | .n_limits = ARRAY_SIZE(ath10k_if_limits), | |
6659 | .max_interfaces = 8, | |
6660 | .num_different_channels = 1, | |
6661 | .beacon_int_infra_match = true, | |
6662 | }, | |
f259509b BM |
6663 | }; |
6664 | ||
6665 | static const struct ieee80211_iface_combination ath10k_10x_if_comb[] = { | |
e8a50f8b | 6666 | { |
f259509b BM |
6667 | .limits = ath10k_10x_if_limits, |
6668 | .n_limits = ARRAY_SIZE(ath10k_10x_if_limits), | |
e8a50f8b MP |
6669 | .max_interfaces = 8, |
6670 | .num_different_channels = 1, | |
6671 | .beacon_int_infra_match = true, | |
f259509b | 6672 | #ifdef CONFIG_ATH10K_DFS_CERTIFIED |
e8a50f8b MP |
6673 | .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | |
6674 | BIT(NL80211_CHAN_WIDTH_20) | | |
6675 | BIT(NL80211_CHAN_WIDTH_40) | | |
6676 | BIT(NL80211_CHAN_WIDTH_80), | |
e8a50f8b | 6677 | #endif |
f259509b | 6678 | }, |
5e3dd157 KV |
6679 | }; |
6680 | ||
cf32784c MK |
6681 | static const struct ieee80211_iface_limit ath10k_tlv_if_limit[] = { |
6682 | { | |
6683 | .max = 2, | |
ed25b113 MK |
6684 | .types = BIT(NL80211_IFTYPE_STATION), |
6685 | }, | |
6686 | { | |
6687 | .max = 2, | |
6688 | .types = BIT(NL80211_IFTYPE_AP) | | |
cf32784c MK |
6689 | BIT(NL80211_IFTYPE_P2P_CLIENT) | |
6690 | BIT(NL80211_IFTYPE_P2P_GO), | |
6691 | }, | |
6692 | { | |
6693 | .max = 1, | |
6694 | .types = BIT(NL80211_IFTYPE_P2P_DEVICE), | |
6695 | }, | |
6696 | }; | |
6697 | ||
ed25b113 MK |
6698 | static const struct ieee80211_iface_limit ath10k_tlv_qcs_if_limit[] = { |
6699 | { | |
6700 | .max = 2, | |
6701 | .types = BIT(NL80211_IFTYPE_STATION), | |
6702 | }, | |
6703 | { | |
6704 | .max = 2, | |
6705 | .types = BIT(NL80211_IFTYPE_P2P_CLIENT), | |
6706 | }, | |
6707 | { | |
6708 | .max = 1, | |
6709 | .types = BIT(NL80211_IFTYPE_AP) | | |
6710 | BIT(NL80211_IFTYPE_P2P_GO), | |
6711 | }, | |
6712 | { | |
6713 | .max = 1, | |
6714 | .types = BIT(NL80211_IFTYPE_P2P_DEVICE), | |
6715 | }, | |
6716 | }; | |
6717 | ||
cf32784c MK |
6718 | static const struct ieee80211_iface_limit ath10k_tlv_if_limit_ibss[] = { |
6719 | { | |
6720 | .max = 1, | |
6721 | .types = BIT(NL80211_IFTYPE_STATION), | |
6722 | }, | |
6723 | { | |
6724 | .max = 1, | |
6725 | .types = BIT(NL80211_IFTYPE_ADHOC), | |
6726 | }, | |
6727 | }; | |
6728 | ||
6729 | /* FIXME: This is not thouroughly tested. These combinations may over- or | |
6730 | * underestimate hw/fw capabilities. | |
6731 | */ | |
6732 | static struct ieee80211_iface_combination ath10k_tlv_if_comb[] = { | |
6733 | { | |
6734 | .limits = ath10k_tlv_if_limit, | |
6735 | .num_different_channels = 1, | |
ed25b113 | 6736 | .max_interfaces = 4, |
cf32784c MK |
6737 | .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit), |
6738 | }, | |
6739 | { | |
6740 | .limits = ath10k_tlv_if_limit_ibss, | |
6741 | .num_different_channels = 1, | |
6742 | .max_interfaces = 2, | |
6743 | .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit_ibss), | |
6744 | }, | |
6745 | }; | |
6746 | ||
6747 | static struct ieee80211_iface_combination ath10k_tlv_qcs_if_comb[] = { | |
6748 | { | |
6749 | .limits = ath10k_tlv_if_limit, | |
ed25b113 MK |
6750 | .num_different_channels = 1, |
6751 | .max_interfaces = 4, | |
cf32784c MK |
6752 | .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit), |
6753 | }, | |
ed25b113 MK |
6754 | { |
6755 | .limits = ath10k_tlv_qcs_if_limit, | |
6756 | .num_different_channels = 2, | |
6757 | .max_interfaces = 4, | |
6758 | .n_limits = ARRAY_SIZE(ath10k_tlv_qcs_if_limit), | |
6759 | }, | |
cf32784c MK |
6760 | { |
6761 | .limits = ath10k_tlv_if_limit_ibss, | |
6762 | .num_different_channels = 1, | |
6763 | .max_interfaces = 2, | |
6764 | .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit_ibss), | |
6765 | }, | |
6766 | }; | |
6767 | ||
cf36fef0 RM |
6768 | static const struct ieee80211_iface_limit ath10k_10_4_if_limits[] = { |
6769 | { | |
6770 | .max = 1, | |
6771 | .types = BIT(NL80211_IFTYPE_STATION), | |
6772 | }, | |
6773 | { | |
6774 | .max = 16, | |
6775 | .types = BIT(NL80211_IFTYPE_AP) | |
6776 | }, | |
6777 | }; | |
6778 | ||
6779 | static const struct ieee80211_iface_combination ath10k_10_4_if_comb[] = { | |
6780 | { | |
6781 | .limits = ath10k_10_4_if_limits, | |
6782 | .n_limits = ARRAY_SIZE(ath10k_10_4_if_limits), | |
6783 | .max_interfaces = 16, | |
6784 | .num_different_channels = 1, | |
6785 | .beacon_int_infra_match = true, | |
6786 | #ifdef CONFIG_ATH10K_DFS_CERTIFIED | |
6787 | .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | | |
6788 | BIT(NL80211_CHAN_WIDTH_20) | | |
6789 | BIT(NL80211_CHAN_WIDTH_40) | | |
6790 | BIT(NL80211_CHAN_WIDTH_80), | |
6791 | #endif | |
6792 | }, | |
6793 | }; | |
6794 | ||
5e3dd157 KV |
6795 | static struct ieee80211_sta_vht_cap ath10k_create_vht_cap(struct ath10k *ar) |
6796 | { | |
6797 | struct ieee80211_sta_vht_cap vht_cap = {0}; | |
6798 | u16 mcs_map; | |
bc657a36 | 6799 | u32 val; |
8865bee4 | 6800 | int i; |
5e3dd157 KV |
6801 | |
6802 | vht_cap.vht_supported = 1; | |
6803 | vht_cap.cap = ar->vht_cap_info; | |
6804 | ||
bc657a36 MK |
6805 | if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE | |
6806 | IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)) { | |
6807 | val = ar->num_rf_chains - 1; | |
6808 | val <<= IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT; | |
6809 | val &= IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK; | |
6810 | ||
6811 | vht_cap.cap |= val; | |
6812 | } | |
6813 | ||
6814 | if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE | | |
6815 | IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)) { | |
6816 | val = ar->num_rf_chains - 1; | |
6817 | val <<= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT; | |
6818 | val &= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK; | |
6819 | ||
6820 | vht_cap.cap |= val; | |
6821 | } | |
6822 | ||
8865bee4 MK |
6823 | mcs_map = 0; |
6824 | for (i = 0; i < 8; i++) { | |
6825 | if (i < ar->num_rf_chains) | |
6826 | mcs_map |= IEEE80211_VHT_MCS_SUPPORT_0_9 << (i*2); | |
6827 | else | |
6828 | mcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << (i*2); | |
6829 | } | |
5e3dd157 KV |
6830 | |
6831 | vht_cap.vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map); | |
6832 | vht_cap.vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map); | |
6833 | ||
6834 | return vht_cap; | |
6835 | } | |
6836 | ||
6837 | static struct ieee80211_sta_ht_cap ath10k_get_ht_cap(struct ath10k *ar) | |
6838 | { | |
6839 | int i; | |
6840 | struct ieee80211_sta_ht_cap ht_cap = {0}; | |
6841 | ||
6842 | if (!(ar->ht_cap_info & WMI_HT_CAP_ENABLED)) | |
6843 | return ht_cap; | |
6844 | ||
6845 | ht_cap.ht_supported = 1; | |
6846 | ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; | |
6847 | ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_8; | |
6848 | ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; | |
6849 | ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40; | |
6850 | ht_cap.cap |= WLAN_HT_CAP_SM_PS_STATIC << IEEE80211_HT_CAP_SM_PS_SHIFT; | |
6851 | ||
6852 | if (ar->ht_cap_info & WMI_HT_CAP_HT20_SGI) | |
6853 | ht_cap.cap |= IEEE80211_HT_CAP_SGI_20; | |
6854 | ||
6855 | if (ar->ht_cap_info & WMI_HT_CAP_HT40_SGI) | |
6856 | ht_cap.cap |= IEEE80211_HT_CAP_SGI_40; | |
6857 | ||
6858 | if (ar->ht_cap_info & WMI_HT_CAP_DYNAMIC_SMPS) { | |
6859 | u32 smps; | |
6860 | ||
6861 | smps = WLAN_HT_CAP_SM_PS_DYNAMIC; | |
6862 | smps <<= IEEE80211_HT_CAP_SM_PS_SHIFT; | |
6863 | ||
6864 | ht_cap.cap |= smps; | |
6865 | } | |
6866 | ||
6867 | if (ar->ht_cap_info & WMI_HT_CAP_TX_STBC) | |
6868 | ht_cap.cap |= IEEE80211_HT_CAP_TX_STBC; | |
6869 | ||
6870 | if (ar->ht_cap_info & WMI_HT_CAP_RX_STBC) { | |
6871 | u32 stbc; | |
6872 | ||
6873 | stbc = ar->ht_cap_info; | |
6874 | stbc &= WMI_HT_CAP_RX_STBC; | |
6875 | stbc >>= WMI_HT_CAP_RX_STBC_MASK_SHIFT; | |
6876 | stbc <<= IEEE80211_HT_CAP_RX_STBC_SHIFT; | |
6877 | stbc &= IEEE80211_HT_CAP_RX_STBC; | |
6878 | ||
6879 | ht_cap.cap |= stbc; | |
6880 | } | |
6881 | ||
6882 | if (ar->ht_cap_info & WMI_HT_CAP_LDPC) | |
6883 | ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING; | |
6884 | ||
6885 | if (ar->ht_cap_info & WMI_HT_CAP_L_SIG_TXOP_PROT) | |
6886 | ht_cap.cap |= IEEE80211_HT_CAP_LSIG_TXOP_PROT; | |
6887 | ||
6888 | /* max AMSDU is implicitly taken from vht_cap_info */ | |
6889 | if (ar->vht_cap_info & WMI_VHT_CAP_MAX_MPDU_LEN_MASK) | |
6890 | ht_cap.cap |= IEEE80211_HT_CAP_MAX_AMSDU; | |
6891 | ||
8865bee4 | 6892 | for (i = 0; i < ar->num_rf_chains; i++) |
5e3dd157 KV |
6893 | ht_cap.mcs.rx_mask[i] = 0xFF; |
6894 | ||
6895 | ht_cap.mcs.tx_params |= IEEE80211_HT_MCS_TX_DEFINED; | |
6896 | ||
6897 | return ht_cap; | |
6898 | } | |
6899 | ||
5e3dd157 KV |
6900 | static void ath10k_get_arvif_iter(void *data, u8 *mac, |
6901 | struct ieee80211_vif *vif) | |
6902 | { | |
6903 | struct ath10k_vif_iter *arvif_iter = data; | |
6904 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
6905 | ||
6906 | if (arvif->vdev_id == arvif_iter->vdev_id) | |
6907 | arvif_iter->arvif = arvif; | |
6908 | } | |
6909 | ||
6910 | struct ath10k_vif *ath10k_get_arvif(struct ath10k *ar, u32 vdev_id) | |
6911 | { | |
6912 | struct ath10k_vif_iter arvif_iter; | |
6913 | u32 flags; | |
6914 | ||
6915 | memset(&arvif_iter, 0, sizeof(struct ath10k_vif_iter)); | |
6916 | arvif_iter.vdev_id = vdev_id; | |
6917 | ||
6918 | flags = IEEE80211_IFACE_ITER_RESUME_ALL; | |
6919 | ieee80211_iterate_active_interfaces_atomic(ar->hw, | |
6920 | flags, | |
6921 | ath10k_get_arvif_iter, | |
6922 | &arvif_iter); | |
6923 | if (!arvif_iter.arvif) { | |
7aa7a72a | 6924 | ath10k_warn(ar, "No VIF found for vdev %d\n", vdev_id); |
5e3dd157 KV |
6925 | return NULL; |
6926 | } | |
6927 | ||
6928 | return arvif_iter.arvif; | |
6929 | } | |
6930 | ||
6931 | int ath10k_mac_register(struct ath10k *ar) | |
6932 | { | |
3cb10943 JB |
6933 | static const u32 cipher_suites[] = { |
6934 | WLAN_CIPHER_SUITE_WEP40, | |
6935 | WLAN_CIPHER_SUITE_WEP104, | |
6936 | WLAN_CIPHER_SUITE_TKIP, | |
6937 | WLAN_CIPHER_SUITE_CCMP, | |
6938 | WLAN_CIPHER_SUITE_AES_CMAC, | |
6939 | }; | |
5e3dd157 KV |
6940 | struct ieee80211_supported_band *band; |
6941 | struct ieee80211_sta_vht_cap vht_cap; | |
6942 | struct ieee80211_sta_ht_cap ht_cap; | |
6943 | void *channels; | |
6944 | int ret; | |
6945 | ||
6946 | SET_IEEE80211_PERM_ADDR(ar->hw, ar->mac_addr); | |
6947 | ||
6948 | SET_IEEE80211_DEV(ar->hw, ar->dev); | |
6949 | ||
6950 | ht_cap = ath10k_get_ht_cap(ar); | |
6951 | vht_cap = ath10k_create_vht_cap(ar); | |
6952 | ||
c94aa7ef MK |
6953 | BUILD_BUG_ON((ARRAY_SIZE(ath10k_2ghz_channels) + |
6954 | ARRAY_SIZE(ath10k_5ghz_channels)) != | |
6955 | ATH10K_NUM_CHANS); | |
6956 | ||
5e3dd157 KV |
6957 | if (ar->phy_capability & WHAL_WLAN_11G_CAPABILITY) { |
6958 | channels = kmemdup(ath10k_2ghz_channels, | |
6959 | sizeof(ath10k_2ghz_channels), | |
6960 | GFP_KERNEL); | |
d6015b27 MK |
6961 | if (!channels) { |
6962 | ret = -ENOMEM; | |
6963 | goto err_free; | |
6964 | } | |
5e3dd157 KV |
6965 | |
6966 | band = &ar->mac.sbands[IEEE80211_BAND_2GHZ]; | |
6967 | band->n_channels = ARRAY_SIZE(ath10k_2ghz_channels); | |
6968 | band->channels = channels; | |
6969 | band->n_bitrates = ath10k_g_rates_size; | |
6970 | band->bitrates = ath10k_g_rates; | |
6971 | band->ht_cap = ht_cap; | |
6972 | ||
d68bb12a YL |
6973 | /* Enable the VHT support at 2.4 GHz */ |
6974 | band->vht_cap = vht_cap; | |
5e3dd157 KV |
6975 | |
6976 | ar->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = band; | |
6977 | } | |
6978 | ||
6979 | if (ar->phy_capability & WHAL_WLAN_11A_CAPABILITY) { | |
6980 | channels = kmemdup(ath10k_5ghz_channels, | |
6981 | sizeof(ath10k_5ghz_channels), | |
6982 | GFP_KERNEL); | |
6983 | if (!channels) { | |
d6015b27 MK |
6984 | ret = -ENOMEM; |
6985 | goto err_free; | |
5e3dd157 KV |
6986 | } |
6987 | ||
6988 | band = &ar->mac.sbands[IEEE80211_BAND_5GHZ]; | |
6989 | band->n_channels = ARRAY_SIZE(ath10k_5ghz_channels); | |
6990 | band->channels = channels; | |
6991 | band->n_bitrates = ath10k_a_rates_size; | |
6992 | band->bitrates = ath10k_a_rates; | |
6993 | band->ht_cap = ht_cap; | |
6994 | band->vht_cap = vht_cap; | |
6995 | ar->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = band; | |
6996 | } | |
6997 | ||
6998 | ar->hw->wiphy->interface_modes = | |
6999 | BIT(NL80211_IFTYPE_STATION) | | |
d354181f BM |
7000 | BIT(NL80211_IFTYPE_AP); |
7001 | ||
46acf7bb BG |
7002 | ar->hw->wiphy->available_antennas_rx = ar->supp_rx_chainmask; |
7003 | ar->hw->wiphy->available_antennas_tx = ar->supp_tx_chainmask; | |
7004 | ||
d354181f BM |
7005 | if (!test_bit(ATH10K_FW_FEATURE_NO_P2P, ar->fw_features)) |
7006 | ar->hw->wiphy->interface_modes |= | |
75d2bd48 | 7007 | BIT(NL80211_IFTYPE_P2P_DEVICE) | |
d354181f BM |
7008 | BIT(NL80211_IFTYPE_P2P_CLIENT) | |
7009 | BIT(NL80211_IFTYPE_P2P_GO); | |
5e3dd157 | 7010 | |
30686bf7 JB |
7011 | ieee80211_hw_set(ar->hw, SIGNAL_DBM); |
7012 | ieee80211_hw_set(ar->hw, SUPPORTS_PS); | |
7013 | ieee80211_hw_set(ar->hw, SUPPORTS_DYNAMIC_PS); | |
7014 | ieee80211_hw_set(ar->hw, MFP_CAPABLE); | |
7015 | ieee80211_hw_set(ar->hw, REPORTS_TX_ACK_STATUS); | |
7016 | ieee80211_hw_set(ar->hw, HAS_RATE_CONTROL); | |
7017 | ieee80211_hw_set(ar->hw, AP_LINK_PS); | |
7018 | ieee80211_hw_set(ar->hw, SPECTRUM_MGMT); | |
30686bf7 JB |
7019 | ieee80211_hw_set(ar->hw, SUPPORT_FAST_XMIT); |
7020 | ieee80211_hw_set(ar->hw, CONNECTION_MONITOR); | |
7021 | ieee80211_hw_set(ar->hw, SUPPORTS_PER_STA_GTK); | |
7022 | ieee80211_hw_set(ar->hw, WANT_MONITOR_VIF); | |
7023 | ieee80211_hw_set(ar->hw, CHANCTX_STA_CSA); | |
7024 | ieee80211_hw_set(ar->hw, QUEUE_CONTROL); | |
5e3dd157 | 7025 | |
ccec9038 DL |
7026 | if (!test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) |
7027 | ieee80211_hw_set(ar->hw, SW_CRYPTO_CONTROL); | |
7028 | ||
0d8614b4 | 7029 | ar->hw->wiphy->features |= NL80211_FEATURE_STATIC_SMPS; |
0cd9bc14 | 7030 | ar->hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; |
0d8614b4 | 7031 | |
5e3dd157 | 7032 | if (ar->ht_cap_info & WMI_HT_CAP_DYNAMIC_SMPS) |
0d8614b4 | 7033 | ar->hw->wiphy->features |= NL80211_FEATURE_DYNAMIC_SMPS; |
5e3dd157 KV |
7034 | |
7035 | if (ar->ht_cap_info & WMI_HT_CAP_ENABLED) { | |
30686bf7 JB |
7036 | ieee80211_hw_set(ar->hw, AMPDU_AGGREGATION); |
7037 | ieee80211_hw_set(ar->hw, TX_AMPDU_SETUP_IN_HW); | |
5e3dd157 KV |
7038 | } |
7039 | ||
7040 | ar->hw->wiphy->max_scan_ssids = WLAN_SCAN_PARAMS_MAX_SSID; | |
7041 | ar->hw->wiphy->max_scan_ie_len = WLAN_SCAN_PARAMS_MAX_IE_LEN; | |
7042 | ||
7043 | ar->hw->vif_data_size = sizeof(struct ath10k_vif); | |
9797febc | 7044 | ar->hw->sta_data_size = sizeof(struct ath10k_sta); |
5e3dd157 | 7045 | |
5e3dd157 KV |
7046 | ar->hw->max_listen_interval = ATH10K_MAX_HW_LISTEN_INTERVAL; |
7047 | ||
fbb8f1b7 MK |
7048 | if (test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map)) { |
7049 | ar->hw->wiphy->flags |= WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD; | |
7050 | ||
7051 | /* Firmware delivers WPS/P2P Probe Requests frames to driver so | |
7052 | * that userspace (e.g. wpa_supplicant/hostapd) can generate | |
7053 | * correct Probe Responses. This is more of a hack advert.. | |
7054 | */ | |
7055 | ar->hw->wiphy->probe_resp_offload |= | |
7056 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | | |
7057 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | | |
7058 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; | |
7059 | } | |
7060 | ||
75d85fd9 MP |
7061 | if (test_bit(WMI_SERVICE_TDLS, ar->wmi.svc_map)) |
7062 | ar->hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS; | |
7063 | ||
5e3dd157 | 7064 | ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; |
c2df44b3 | 7065 | ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; |
5e3dd157 KV |
7066 | ar->hw->wiphy->max_remain_on_channel_duration = 5000; |
7067 | ||
7068 | ar->hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD; | |
78157a1c RM |
7069 | ar->hw->wiphy->features |= NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE; |
7070 | ||
37a0b394 JD |
7071 | ar->hw->wiphy->max_ap_assoc_sta = ar->max_num_stations; |
7072 | ||
5fd3ac3c JD |
7073 | ret = ath10k_wow_init(ar); |
7074 | if (ret) { | |
7075 | ath10k_warn(ar, "failed to init wow: %d\n", ret); | |
7076 | goto err_free; | |
7077 | } | |
7078 | ||
c702534a JD |
7079 | wiphy_ext_feature_set(ar->hw->wiphy, NL80211_EXT_FEATURE_VHT_IBSS); |
7080 | ||
5e3dd157 KV |
7081 | /* |
7082 | * on LL hardware queues are managed entirely by the FW | |
7083 | * so we only advertise to mac we can do the queues thing | |
7084 | */ | |
96d828d4 MK |
7085 | ar->hw->queues = IEEE80211_MAX_QUEUES; |
7086 | ||
7087 | /* vdev_ids are used as hw queue numbers. Make sure offchan tx queue is | |
7088 | * something that vdev_ids can't reach so that we don't stop the queue | |
7089 | * accidentally. | |
7090 | */ | |
7091 | ar->hw->offchannel_tx_hw_queue = IEEE80211_MAX_QUEUES - 1; | |
5e3dd157 | 7092 | |
5cc7caf4 KV |
7093 | switch (ar->wmi.op_version) { |
7094 | case ATH10K_FW_WMI_OP_VERSION_MAIN: | |
f259509b BM |
7095 | ar->hw->wiphy->iface_combinations = ath10k_if_comb; |
7096 | ar->hw->wiphy->n_iface_combinations = | |
7097 | ARRAY_SIZE(ath10k_if_comb); | |
cf850d1d | 7098 | ar->hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC); |
5cc7caf4 | 7099 | break; |
cf32784c MK |
7100 | case ATH10K_FW_WMI_OP_VERSION_TLV: |
7101 | if (test_bit(WMI_SERVICE_ADAPTIVE_OCS, ar->wmi.svc_map)) { | |
7102 | ar->hw->wiphy->iface_combinations = | |
7103 | ath10k_tlv_qcs_if_comb; | |
7104 | ar->hw->wiphy->n_iface_combinations = | |
7105 | ARRAY_SIZE(ath10k_tlv_qcs_if_comb); | |
7106 | } else { | |
7107 | ar->hw->wiphy->iface_combinations = ath10k_tlv_if_comb; | |
7108 | ar->hw->wiphy->n_iface_combinations = | |
7109 | ARRAY_SIZE(ath10k_tlv_if_comb); | |
7110 | } | |
7111 | ar->hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC); | |
7112 | break; | |
5cc7caf4 KV |
7113 | case ATH10K_FW_WMI_OP_VERSION_10_1: |
7114 | case ATH10K_FW_WMI_OP_VERSION_10_2: | |
4a16fbec | 7115 | case ATH10K_FW_WMI_OP_VERSION_10_2_4: |
5cc7caf4 KV |
7116 | ar->hw->wiphy->iface_combinations = ath10k_10x_if_comb; |
7117 | ar->hw->wiphy->n_iface_combinations = | |
7118 | ARRAY_SIZE(ath10k_10x_if_comb); | |
7119 | break; | |
9bd21322 | 7120 | case ATH10K_FW_WMI_OP_VERSION_10_4: |
cf36fef0 RM |
7121 | ar->hw->wiphy->iface_combinations = ath10k_10_4_if_comb; |
7122 | ar->hw->wiphy->n_iface_combinations = | |
7123 | ARRAY_SIZE(ath10k_10_4_if_comb); | |
9bd21322 | 7124 | break; |
5cc7caf4 KV |
7125 | case ATH10K_FW_WMI_OP_VERSION_UNSET: |
7126 | case ATH10K_FW_WMI_OP_VERSION_MAX: | |
7127 | WARN_ON(1); | |
7128 | ret = -EINVAL; | |
7129 | goto err_free; | |
f259509b | 7130 | } |
5e3dd157 | 7131 | |
ccec9038 DL |
7132 | if (!test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) |
7133 | ar->hw->netdev_features = NETIF_F_HW_CSUM; | |
7c199997 | 7134 | |
9702c686 JD |
7135 | if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED)) { |
7136 | /* Init ath dfs pattern detector */ | |
7137 | ar->ath_common.debug_mask = ATH_DBG_DFS; | |
7138 | ar->dfs_detector = dfs_pattern_detector_init(&ar->ath_common, | |
7139 | NL80211_DFS_UNSET); | |
7140 | ||
7141 | if (!ar->dfs_detector) | |
7aa7a72a | 7142 | ath10k_warn(ar, "failed to initialise DFS pattern detector\n"); |
9702c686 JD |
7143 | } |
7144 | ||
5e3dd157 KV |
7145 | ret = ath_regd_init(&ar->ath_common.regulatory, ar->hw->wiphy, |
7146 | ath10k_reg_notifier); | |
7147 | if (ret) { | |
7aa7a72a | 7148 | ath10k_err(ar, "failed to initialise regulatory: %i\n", ret); |
d6015b27 | 7149 | goto err_free; |
5e3dd157 KV |
7150 | } |
7151 | ||
3cb10943 JB |
7152 | ar->hw->wiphy->cipher_suites = cipher_suites; |
7153 | ar->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); | |
7154 | ||
5e3dd157 KV |
7155 | ret = ieee80211_register_hw(ar->hw); |
7156 | if (ret) { | |
7aa7a72a | 7157 | ath10k_err(ar, "failed to register ieee80211: %d\n", ret); |
d6015b27 | 7158 | goto err_free; |
5e3dd157 KV |
7159 | } |
7160 | ||
7161 | if (!ath_is_world_regd(&ar->ath_common.regulatory)) { | |
7162 | ret = regulatory_hint(ar->hw->wiphy, | |
7163 | ar->ath_common.regulatory.alpha2); | |
7164 | if (ret) | |
d6015b27 | 7165 | goto err_unregister; |
5e3dd157 KV |
7166 | } |
7167 | ||
7168 | return 0; | |
d6015b27 MK |
7169 | |
7170 | err_unregister: | |
5e3dd157 | 7171 | ieee80211_unregister_hw(ar->hw); |
d6015b27 MK |
7172 | err_free: |
7173 | kfree(ar->mac.sbands[IEEE80211_BAND_2GHZ].channels); | |
7174 | kfree(ar->mac.sbands[IEEE80211_BAND_5GHZ].channels); | |
7175 | ||
5e3dd157 KV |
7176 | return ret; |
7177 | } | |
7178 | ||
7179 | void ath10k_mac_unregister(struct ath10k *ar) | |
7180 | { | |
7181 | ieee80211_unregister_hw(ar->hw); | |
7182 | ||
9702c686 JD |
7183 | if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector) |
7184 | ar->dfs_detector->exit(ar->dfs_detector); | |
7185 | ||
5e3dd157 KV |
7186 | kfree(ar->mac.sbands[IEEE80211_BAND_2GHZ].channels); |
7187 | kfree(ar->mac.sbands[IEEE80211_BAND_5GHZ].channels); | |
7188 | ||
7189 | SET_IEEE80211_DEV(ar->hw, NULL); | |
7190 | } |