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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 | 92 | u8 ath10k_mac_hw_rate_to_idx(const struct ieee80211_supported_band *sband, |
4b7f353b | 93 | u8 hw_rate, bool cck) |
5528e032 MK |
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 | ||
4b7f353b YL |
101 | if (ath10k_mac_bitrate_is_cck(rate->bitrate) != cck) |
102 | continue; | |
103 | ||
5528e032 MK |
104 | if (rate->hw_value == hw_rate) |
105 | return i; | |
106 | else if (rate->flags & IEEE80211_RATE_SHORT_PREAMBLE && | |
107 | rate->hw_value_short == hw_rate) | |
108 | return i; | |
109 | } | |
110 | ||
111 | return 0; | |
112 | } | |
113 | ||
01cebe1c MK |
114 | u8 ath10k_mac_bitrate_to_idx(const struct ieee80211_supported_band *sband, |
115 | u32 bitrate) | |
116 | { | |
117 | int i; | |
118 | ||
119 | for (i = 0; i < sband->n_bitrates; i++) | |
120 | if (sband->bitrates[i].bitrate == bitrate) | |
121 | return i; | |
122 | ||
123 | return 0; | |
124 | } | |
125 | ||
3ae54225 MK |
126 | static int ath10k_mac_get_max_vht_mcs_map(u16 mcs_map, int nss) |
127 | { | |
128 | switch ((mcs_map >> (2 * nss)) & 0x3) { | |
129 | case IEEE80211_VHT_MCS_SUPPORT_0_7: return BIT(8) - 1; | |
130 | case IEEE80211_VHT_MCS_SUPPORT_0_8: return BIT(9) - 1; | |
131 | case IEEE80211_VHT_MCS_SUPPORT_0_9: return BIT(10) - 1; | |
132 | } | |
133 | return 0; | |
134 | } | |
135 | ||
45c9abc0 MK |
136 | static u32 |
137 | ath10k_mac_max_ht_nss(const u8 ht_mcs_mask[IEEE80211_HT_MCS_MASK_LEN]) | |
138 | { | |
139 | int nss; | |
140 | ||
141 | for (nss = IEEE80211_HT_MCS_MASK_LEN - 1; nss >= 0; nss--) | |
142 | if (ht_mcs_mask[nss]) | |
143 | return nss + 1; | |
144 | ||
145 | return 1; | |
146 | } | |
147 | ||
148 | static u32 | |
149 | ath10k_mac_max_vht_nss(const u16 vht_mcs_mask[NL80211_VHT_NSS_MAX]) | |
150 | { | |
151 | int nss; | |
152 | ||
153 | for (nss = NL80211_VHT_NSS_MAX - 1; nss >= 0; nss--) | |
154 | if (vht_mcs_mask[nss]) | |
155 | return nss + 1; | |
156 | ||
157 | return 1; | |
158 | } | |
5e3dd157 | 159 | |
7e247a9e RM |
160 | int ath10k_mac_ext_resource_config(struct ath10k *ar, u32 val) |
161 | { | |
162 | enum wmi_host_platform_type platform_type; | |
163 | int ret; | |
164 | ||
165 | if (test_bit(WMI_SERVICE_TX_MODE_DYNAMIC, ar->wmi.svc_map)) | |
166 | platform_type = WMI_HOST_PLATFORM_LOW_PERF; | |
167 | else | |
168 | platform_type = WMI_HOST_PLATFORM_HIGH_PERF; | |
169 | ||
170 | ret = ath10k_wmi_ext_resource_config(ar, platform_type, val); | |
171 | ||
172 | if (ret && ret != -EOPNOTSUPP) { | |
173 | ath10k_warn(ar, "failed to configure ext resource: %d\n", ret); | |
174 | return ret; | |
175 | } | |
176 | ||
177 | return 0; | |
178 | } | |
179 | ||
5e3dd157 KV |
180 | /**********/ |
181 | /* Crypto */ | |
182 | /**********/ | |
183 | ||
184 | static int ath10k_send_key(struct ath10k_vif *arvif, | |
185 | struct ieee80211_key_conf *key, | |
186 | enum set_key_cmd cmd, | |
370e5673 | 187 | const u8 *macaddr, u32 flags) |
5e3dd157 | 188 | { |
7aa7a72a | 189 | struct ath10k *ar = arvif->ar; |
5e3dd157 KV |
190 | struct wmi_vdev_install_key_arg arg = { |
191 | .vdev_id = arvif->vdev_id, | |
192 | .key_idx = key->keyidx, | |
193 | .key_len = key->keylen, | |
194 | .key_data = key->key, | |
370e5673 | 195 | .key_flags = flags, |
5e3dd157 KV |
196 | .macaddr = macaddr, |
197 | }; | |
198 | ||
548db54c MK |
199 | lockdep_assert_held(&arvif->ar->conf_mutex); |
200 | ||
5e3dd157 KV |
201 | switch (key->cipher) { |
202 | case WLAN_CIPHER_SUITE_CCMP: | |
203 | arg.key_cipher = WMI_CIPHER_AES_CCM; | |
e4e82e9a | 204 | key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV_MGMT; |
5e3dd157 KV |
205 | break; |
206 | case WLAN_CIPHER_SUITE_TKIP: | |
5e3dd157 KV |
207 | arg.key_cipher = WMI_CIPHER_TKIP; |
208 | arg.key_txmic_len = 8; | |
209 | arg.key_rxmic_len = 8; | |
210 | break; | |
211 | case WLAN_CIPHER_SUITE_WEP40: | |
212 | case WLAN_CIPHER_SUITE_WEP104: | |
213 | arg.key_cipher = WMI_CIPHER_WEP; | |
5e3dd157 | 214 | break; |
3cb10943 | 215 | case WLAN_CIPHER_SUITE_AES_CMAC: |
d7131c04 BM |
216 | WARN_ON(1); |
217 | return -EINVAL; | |
5e3dd157 | 218 | default: |
7aa7a72a | 219 | ath10k_warn(ar, "cipher %d is not supported\n", key->cipher); |
5e3dd157 KV |
220 | return -EOPNOTSUPP; |
221 | } | |
222 | ||
b9e284e5 | 223 | if (test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) |
ccec9038 | 224 | key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; |
ccec9038 | 225 | |
5e3dd157 KV |
226 | if (cmd == DISABLE_KEY) { |
227 | arg.key_cipher = WMI_CIPHER_NONE; | |
228 | arg.key_data = NULL; | |
229 | } | |
230 | ||
231 | return ath10k_wmi_vdev_install_key(arvif->ar, &arg); | |
232 | } | |
233 | ||
234 | static int ath10k_install_key(struct ath10k_vif *arvif, | |
235 | struct ieee80211_key_conf *key, | |
236 | enum set_key_cmd cmd, | |
370e5673 | 237 | const u8 *macaddr, u32 flags) |
5e3dd157 KV |
238 | { |
239 | struct ath10k *ar = arvif->ar; | |
240 | int ret; | |
8e9904f5 | 241 | unsigned long time_left; |
5e3dd157 | 242 | |
548db54c MK |
243 | lockdep_assert_held(&ar->conf_mutex); |
244 | ||
16735d02 | 245 | reinit_completion(&ar->install_key_done); |
5e3dd157 | 246 | |
ccec9038 DL |
247 | if (arvif->nohwcrypt) |
248 | return 1; | |
249 | ||
370e5673 | 250 | ret = ath10k_send_key(arvif, key, cmd, macaddr, flags); |
5e3dd157 KV |
251 | if (ret) |
252 | return ret; | |
253 | ||
8e9904f5 NMG |
254 | time_left = wait_for_completion_timeout(&ar->install_key_done, 3 * HZ); |
255 | if (time_left == 0) | |
5e3dd157 KV |
256 | return -ETIMEDOUT; |
257 | ||
258 | return 0; | |
259 | } | |
260 | ||
261 | static int ath10k_install_peer_wep_keys(struct ath10k_vif *arvif, | |
262 | const u8 *addr) | |
263 | { | |
264 | struct ath10k *ar = arvif->ar; | |
265 | struct ath10k_peer *peer; | |
266 | int ret; | |
267 | int i; | |
370e5673 | 268 | u32 flags; |
5e3dd157 KV |
269 | |
270 | lockdep_assert_held(&ar->conf_mutex); | |
271 | ||
8674d909 | 272 | if (WARN_ON(arvif->vif->type != NL80211_IFTYPE_AP && |
7c97b72a PO |
273 | arvif->vif->type != NL80211_IFTYPE_ADHOC && |
274 | arvif->vif->type != NL80211_IFTYPE_MESH_POINT)) | |
8674d909 MK |
275 | return -EINVAL; |
276 | ||
5e3dd157 KV |
277 | spin_lock_bh(&ar->data_lock); |
278 | peer = ath10k_peer_find(ar, arvif->vdev_id, addr); | |
279 | spin_unlock_bh(&ar->data_lock); | |
280 | ||
281 | if (!peer) | |
282 | return -ENOENT; | |
283 | ||
284 | for (i = 0; i < ARRAY_SIZE(arvif->wep_keys); i++) { | |
285 | if (arvif->wep_keys[i] == NULL) | |
286 | continue; | |
370e5673 | 287 | |
8674d909 MK |
288 | switch (arvif->vif->type) { |
289 | case NL80211_IFTYPE_AP: | |
290 | flags = WMI_KEY_PAIRWISE; | |
291 | ||
292 | if (arvif->def_wep_key_idx == i) | |
293 | flags |= WMI_KEY_TX_USAGE; | |
294 | ||
295 | ret = ath10k_install_key(arvif, arvif->wep_keys[i], | |
296 | SET_KEY, addr, flags); | |
297 | if (ret < 0) | |
298 | return ret; | |
299 | break; | |
300 | case NL80211_IFTYPE_ADHOC: | |
301 | ret = ath10k_install_key(arvif, arvif->wep_keys[i], | |
302 | SET_KEY, addr, | |
303 | WMI_KEY_PAIRWISE); | |
304 | if (ret < 0) | |
305 | return ret; | |
306 | ||
307 | ret = ath10k_install_key(arvif, arvif->wep_keys[i], | |
308 | SET_KEY, addr, WMI_KEY_GROUP); | |
309 | if (ret < 0) | |
310 | return ret; | |
311 | break; | |
312 | default: | |
313 | WARN_ON(1); | |
314 | return -EINVAL; | |
315 | } | |
5e3dd157 | 316 | |
ae167131 | 317 | spin_lock_bh(&ar->data_lock); |
5e3dd157 | 318 | peer->keys[i] = arvif->wep_keys[i]; |
ae167131 | 319 | spin_unlock_bh(&ar->data_lock); |
5e3dd157 KV |
320 | } |
321 | ||
ce90b271 MK |
322 | /* In some cases (notably with static WEP IBSS with multiple keys) |
323 | * multicast Tx becomes broken. Both pairwise and groupwise keys are | |
324 | * installed already. Using WMI_KEY_TX_USAGE in different combinations | |
325 | * didn't seem help. Using def_keyid vdev parameter seems to be | |
326 | * effective so use that. | |
327 | * | |
328 | * FIXME: Revisit. Perhaps this can be done in a less hacky way. | |
329 | */ | |
8674d909 MK |
330 | if (arvif->vif->type != NL80211_IFTYPE_ADHOC) |
331 | return 0; | |
332 | ||
ce90b271 MK |
333 | if (arvif->def_wep_key_idx == -1) |
334 | return 0; | |
335 | ||
336 | ret = ath10k_wmi_vdev_set_param(arvif->ar, | |
337 | arvif->vdev_id, | |
338 | arvif->ar->wmi.vdev_param->def_keyid, | |
339 | arvif->def_wep_key_idx); | |
340 | if (ret) { | |
341 | ath10k_warn(ar, "failed to re-set def wpa key idxon vdev %i: %d\n", | |
342 | arvif->vdev_id, ret); | |
343 | return ret; | |
344 | } | |
345 | ||
5e3dd157 KV |
346 | return 0; |
347 | } | |
348 | ||
349 | static int ath10k_clear_peer_keys(struct ath10k_vif *arvif, | |
350 | const u8 *addr) | |
351 | { | |
352 | struct ath10k *ar = arvif->ar; | |
353 | struct ath10k_peer *peer; | |
354 | int first_errno = 0; | |
355 | int ret; | |
356 | int i; | |
370e5673 | 357 | u32 flags = 0; |
5e3dd157 KV |
358 | |
359 | lockdep_assert_held(&ar->conf_mutex); | |
360 | ||
361 | spin_lock_bh(&ar->data_lock); | |
362 | peer = ath10k_peer_find(ar, arvif->vdev_id, addr); | |
363 | spin_unlock_bh(&ar->data_lock); | |
364 | ||
365 | if (!peer) | |
366 | return -ENOENT; | |
367 | ||
368 | for (i = 0; i < ARRAY_SIZE(peer->keys); i++) { | |
369 | if (peer->keys[i] == NULL) | |
370 | continue; | |
371 | ||
627613f8 | 372 | /* key flags are not required to delete the key */ |
5e3dd157 | 373 | ret = ath10k_install_key(arvif, peer->keys[i], |
370e5673 | 374 | DISABLE_KEY, addr, flags); |
ccec9038 | 375 | if (ret < 0 && first_errno == 0) |
5e3dd157 KV |
376 | first_errno = ret; |
377 | ||
ccec9038 | 378 | if (ret < 0) |
7aa7a72a | 379 | ath10k_warn(ar, "failed to remove peer wep key %d: %d\n", |
5e3dd157 KV |
380 | i, ret); |
381 | ||
ae167131 | 382 | spin_lock_bh(&ar->data_lock); |
5e3dd157 | 383 | peer->keys[i] = NULL; |
ae167131 | 384 | spin_unlock_bh(&ar->data_lock); |
5e3dd157 KV |
385 | } |
386 | ||
387 | return first_errno; | |
388 | } | |
389 | ||
504f6cdf SM |
390 | bool ath10k_mac_is_peer_wep_key_set(struct ath10k *ar, const u8 *addr, |
391 | u8 keyidx) | |
392 | { | |
393 | struct ath10k_peer *peer; | |
394 | int i; | |
395 | ||
396 | lockdep_assert_held(&ar->data_lock); | |
397 | ||
398 | /* We don't know which vdev this peer belongs to, | |
399 | * since WMI doesn't give us that information. | |
400 | * | |
401 | * FIXME: multi-bss needs to be handled. | |
402 | */ | |
403 | peer = ath10k_peer_find(ar, 0, addr); | |
404 | if (!peer) | |
405 | return false; | |
406 | ||
407 | for (i = 0; i < ARRAY_SIZE(peer->keys); i++) { | |
408 | if (peer->keys[i] && peer->keys[i]->keyidx == keyidx) | |
409 | return true; | |
410 | } | |
411 | ||
412 | return false; | |
413 | } | |
414 | ||
5e3dd157 KV |
415 | static int ath10k_clear_vdev_key(struct ath10k_vif *arvif, |
416 | struct ieee80211_key_conf *key) | |
417 | { | |
418 | struct ath10k *ar = arvif->ar; | |
419 | struct ath10k_peer *peer; | |
420 | u8 addr[ETH_ALEN]; | |
421 | int first_errno = 0; | |
422 | int ret; | |
423 | int i; | |
370e5673 | 424 | u32 flags = 0; |
5e3dd157 KV |
425 | |
426 | lockdep_assert_held(&ar->conf_mutex); | |
427 | ||
428 | for (;;) { | |
429 | /* since ath10k_install_key we can't hold data_lock all the | |
430 | * time, so we try to remove the keys incrementally */ | |
431 | spin_lock_bh(&ar->data_lock); | |
432 | i = 0; | |
433 | list_for_each_entry(peer, &ar->peers, list) { | |
434 | for (i = 0; i < ARRAY_SIZE(peer->keys); i++) { | |
435 | if (peer->keys[i] == key) { | |
b25f32cb | 436 | ether_addr_copy(addr, peer->addr); |
5e3dd157 KV |
437 | peer->keys[i] = NULL; |
438 | break; | |
439 | } | |
440 | } | |
441 | ||
442 | if (i < ARRAY_SIZE(peer->keys)) | |
443 | break; | |
444 | } | |
445 | spin_unlock_bh(&ar->data_lock); | |
446 | ||
447 | if (i == ARRAY_SIZE(peer->keys)) | |
448 | break; | |
627613f8 | 449 | /* key flags are not required to delete the key */ |
370e5673 | 450 | ret = ath10k_install_key(arvif, key, DISABLE_KEY, addr, flags); |
ccec9038 | 451 | if (ret < 0 && first_errno == 0) |
5e3dd157 KV |
452 | first_errno = ret; |
453 | ||
454 | if (ret) | |
7aa7a72a | 455 | ath10k_warn(ar, "failed to remove key for %pM: %d\n", |
be6546fc | 456 | addr, ret); |
5e3dd157 KV |
457 | } |
458 | ||
459 | return first_errno; | |
460 | } | |
461 | ||
ad325cb5 MK |
462 | static int ath10k_mac_vif_update_wep_key(struct ath10k_vif *arvif, |
463 | struct ieee80211_key_conf *key) | |
464 | { | |
465 | struct ath10k *ar = arvif->ar; | |
466 | struct ath10k_peer *peer; | |
467 | int ret; | |
468 | ||
469 | lockdep_assert_held(&ar->conf_mutex); | |
470 | ||
471 | list_for_each_entry(peer, &ar->peers, list) { | |
c178da58 | 472 | if (ether_addr_equal(peer->addr, arvif->vif->addr)) |
ad325cb5 MK |
473 | continue; |
474 | ||
c178da58 | 475 | if (ether_addr_equal(peer->addr, arvif->bssid)) |
ad325cb5 MK |
476 | continue; |
477 | ||
478 | if (peer->keys[key->keyidx] == key) | |
479 | continue; | |
480 | ||
481 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vif vdev %i update key %i needs update\n", | |
482 | arvif->vdev_id, key->keyidx); | |
483 | ||
484 | ret = ath10k_install_peer_wep_keys(arvif, peer->addr); | |
485 | if (ret) { | |
486 | ath10k_warn(ar, "failed to update wep keys on vdev %i for peer %pM: %d\n", | |
487 | arvif->vdev_id, peer->addr, ret); | |
488 | return ret; | |
489 | } | |
490 | } | |
491 | ||
492 | return 0; | |
493 | } | |
494 | ||
5e3dd157 KV |
495 | /*********************/ |
496 | /* General utilities */ | |
497 | /*********************/ | |
498 | ||
499 | static inline enum wmi_phy_mode | |
500 | chan_to_phymode(const struct cfg80211_chan_def *chandef) | |
501 | { | |
502 | enum wmi_phy_mode phymode = MODE_UNKNOWN; | |
503 | ||
504 | switch (chandef->chan->band) { | |
57fbcce3 | 505 | case NL80211_BAND_2GHZ: |
5e3dd157 KV |
506 | switch (chandef->width) { |
507 | case NL80211_CHAN_WIDTH_20_NOHT: | |
6faab127 PO |
508 | if (chandef->chan->flags & IEEE80211_CHAN_NO_OFDM) |
509 | phymode = MODE_11B; | |
510 | else | |
511 | phymode = MODE_11G; | |
5e3dd157 KV |
512 | break; |
513 | case NL80211_CHAN_WIDTH_20: | |
514 | phymode = MODE_11NG_HT20; | |
515 | break; | |
516 | case NL80211_CHAN_WIDTH_40: | |
517 | phymode = MODE_11NG_HT40; | |
518 | break; | |
0f817ed5 JL |
519 | case NL80211_CHAN_WIDTH_5: |
520 | case NL80211_CHAN_WIDTH_10: | |
5e3dd157 KV |
521 | case NL80211_CHAN_WIDTH_80: |
522 | case NL80211_CHAN_WIDTH_80P80: | |
523 | case NL80211_CHAN_WIDTH_160: | |
524 | phymode = MODE_UNKNOWN; | |
525 | break; | |
526 | } | |
527 | break; | |
57fbcce3 | 528 | case NL80211_BAND_5GHZ: |
5e3dd157 KV |
529 | switch (chandef->width) { |
530 | case NL80211_CHAN_WIDTH_20_NOHT: | |
531 | phymode = MODE_11A; | |
532 | break; | |
533 | case NL80211_CHAN_WIDTH_20: | |
534 | phymode = MODE_11NA_HT20; | |
535 | break; | |
536 | case NL80211_CHAN_WIDTH_40: | |
537 | phymode = MODE_11NA_HT40; | |
538 | break; | |
539 | case NL80211_CHAN_WIDTH_80: | |
540 | phymode = MODE_11AC_VHT80; | |
541 | break; | |
0f817ed5 JL |
542 | case NL80211_CHAN_WIDTH_5: |
543 | case NL80211_CHAN_WIDTH_10: | |
5e3dd157 KV |
544 | case NL80211_CHAN_WIDTH_80P80: |
545 | case NL80211_CHAN_WIDTH_160: | |
546 | phymode = MODE_UNKNOWN; | |
547 | break; | |
548 | } | |
549 | break; | |
550 | default: | |
551 | break; | |
552 | } | |
553 | ||
554 | WARN_ON(phymode == MODE_UNKNOWN); | |
555 | return phymode; | |
556 | } | |
557 | ||
558 | static u8 ath10k_parse_mpdudensity(u8 mpdudensity) | |
559 | { | |
560 | /* | |
561 | * 802.11n D2.0 defined values for "Minimum MPDU Start Spacing": | |
562 | * 0 for no restriction | |
563 | * 1 for 1/4 us | |
564 | * 2 for 1/2 us | |
565 | * 3 for 1 us | |
566 | * 4 for 2 us | |
567 | * 5 for 4 us | |
568 | * 6 for 8 us | |
569 | * 7 for 16 us | |
570 | */ | |
571 | switch (mpdudensity) { | |
572 | case 0: | |
573 | return 0; | |
574 | case 1: | |
575 | case 2: | |
576 | case 3: | |
577 | /* Our lower layer calculations limit our precision to | |
578 | 1 microsecond */ | |
579 | return 1; | |
580 | case 4: | |
581 | return 2; | |
582 | case 5: | |
583 | return 4; | |
584 | case 6: | |
585 | return 8; | |
586 | case 7: | |
587 | return 16; | |
588 | default: | |
589 | return 0; | |
590 | } | |
591 | } | |
592 | ||
500ff9f9 MK |
593 | int ath10k_mac_vif_chan(struct ieee80211_vif *vif, |
594 | struct cfg80211_chan_def *def) | |
595 | { | |
596 | struct ieee80211_chanctx_conf *conf; | |
597 | ||
598 | rcu_read_lock(); | |
599 | conf = rcu_dereference(vif->chanctx_conf); | |
600 | if (!conf) { | |
601 | rcu_read_unlock(); | |
602 | return -ENOENT; | |
603 | } | |
604 | ||
605 | *def = conf->def; | |
606 | rcu_read_unlock(); | |
607 | ||
608 | return 0; | |
609 | } | |
610 | ||
611 | static void ath10k_mac_num_chanctxs_iter(struct ieee80211_hw *hw, | |
612 | struct ieee80211_chanctx_conf *conf, | |
613 | void *data) | |
614 | { | |
615 | int *num = data; | |
616 | ||
617 | (*num)++; | |
618 | } | |
619 | ||
620 | static int ath10k_mac_num_chanctxs(struct ath10k *ar) | |
621 | { | |
622 | int num = 0; | |
623 | ||
624 | ieee80211_iter_chan_contexts_atomic(ar->hw, | |
625 | ath10k_mac_num_chanctxs_iter, | |
626 | &num); | |
627 | ||
628 | return num; | |
629 | } | |
630 | ||
631 | static void | |
632 | ath10k_mac_get_any_chandef_iter(struct ieee80211_hw *hw, | |
633 | struct ieee80211_chanctx_conf *conf, | |
634 | void *data) | |
635 | { | |
636 | struct cfg80211_chan_def **def = data; | |
637 | ||
638 | *def = &conf->def; | |
639 | } | |
640 | ||
6942726f MK |
641 | static int ath10k_peer_create(struct ath10k *ar, |
642 | struct ieee80211_vif *vif, | |
643 | struct ieee80211_sta *sta, | |
644 | u32 vdev_id, | |
645 | const u8 *addr, | |
7390ed34 | 646 | enum wmi_peer_type peer_type) |
5e3dd157 | 647 | { |
e04cafbc | 648 | struct ath10k_vif *arvif; |
6942726f | 649 | struct ath10k_peer *peer; |
e04cafbc | 650 | int num_peers = 0; |
5e3dd157 KV |
651 | int ret; |
652 | ||
653 | lockdep_assert_held(&ar->conf_mutex); | |
654 | ||
e04cafbc MK |
655 | num_peers = ar->num_peers; |
656 | ||
657 | /* Each vdev consumes a peer entry as well */ | |
658 | list_for_each_entry(arvif, &ar->arvifs, list) | |
659 | num_peers++; | |
660 | ||
661 | if (num_peers >= ar->max_num_peers) | |
cfd1061e MK |
662 | return -ENOBUFS; |
663 | ||
7390ed34 | 664 | ret = ath10k_wmi_peer_create(ar, vdev_id, addr, peer_type); |
479398b0 | 665 | if (ret) { |
7aa7a72a | 666 | ath10k_warn(ar, "failed to create wmi peer %pM on vdev %i: %i\n", |
69244e56 | 667 | addr, vdev_id, ret); |
5e3dd157 | 668 | return ret; |
479398b0 | 669 | } |
5e3dd157 KV |
670 | |
671 | ret = ath10k_wait_for_peer_created(ar, vdev_id, addr); | |
479398b0 | 672 | if (ret) { |
7aa7a72a | 673 | ath10k_warn(ar, "failed to wait for created wmi peer %pM on vdev %i: %i\n", |
69244e56 | 674 | addr, vdev_id, ret); |
5e3dd157 | 675 | return ret; |
479398b0 | 676 | } |
292a753d | 677 | |
6942726f MK |
678 | spin_lock_bh(&ar->data_lock); |
679 | ||
680 | peer = ath10k_peer_find(ar, vdev_id, addr); | |
681 | if (!peer) { | |
682 | ath10k_warn(ar, "failed to find peer %pM on vdev %i after creation\n", | |
683 | addr, vdev_id); | |
684 | ath10k_wmi_peer_delete(ar, vdev_id, addr); | |
685 | spin_unlock_bh(&ar->data_lock); | |
686 | return -ENOENT; | |
687 | } | |
688 | ||
689 | peer->vif = vif; | |
690 | peer->sta = sta; | |
691 | ||
692 | spin_unlock_bh(&ar->data_lock); | |
693 | ||
0e759f36 | 694 | ar->num_peers++; |
5e3dd157 KV |
695 | |
696 | return 0; | |
697 | } | |
698 | ||
5a13e76e KV |
699 | static int ath10k_mac_set_kickout(struct ath10k_vif *arvif) |
700 | { | |
701 | struct ath10k *ar = arvif->ar; | |
702 | u32 param; | |
703 | int ret; | |
704 | ||
705 | param = ar->wmi.pdev_param->sta_kickout_th; | |
706 | ret = ath10k_wmi_pdev_set_param(ar, param, | |
707 | ATH10K_KICKOUT_THRESHOLD); | |
708 | if (ret) { | |
7aa7a72a | 709 | ath10k_warn(ar, "failed to set kickout threshold on vdev %i: %d\n", |
69244e56 | 710 | arvif->vdev_id, ret); |
5a13e76e KV |
711 | return ret; |
712 | } | |
713 | ||
714 | param = ar->wmi.vdev_param->ap_keepalive_min_idle_inactive_time_secs; | |
715 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param, | |
716 | ATH10K_KEEPALIVE_MIN_IDLE); | |
717 | if (ret) { | |
7aa7a72a | 718 | ath10k_warn(ar, "failed to set keepalive minimum idle time on vdev %i: %d\n", |
69244e56 | 719 | arvif->vdev_id, ret); |
5a13e76e KV |
720 | return ret; |
721 | } | |
722 | ||
723 | param = ar->wmi.vdev_param->ap_keepalive_max_idle_inactive_time_secs; | |
724 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param, | |
725 | ATH10K_KEEPALIVE_MAX_IDLE); | |
726 | if (ret) { | |
7aa7a72a | 727 | ath10k_warn(ar, "failed to set keepalive maximum idle time on vdev %i: %d\n", |
69244e56 | 728 | arvif->vdev_id, ret); |
5a13e76e KV |
729 | return ret; |
730 | } | |
731 | ||
732 | param = ar->wmi.vdev_param->ap_keepalive_max_unresponsive_time_secs; | |
733 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param, | |
734 | ATH10K_KEEPALIVE_MAX_UNRESPONSIVE); | |
735 | if (ret) { | |
7aa7a72a | 736 | ath10k_warn(ar, "failed to set keepalive maximum unresponsive time on vdev %i: %d\n", |
69244e56 | 737 | arvif->vdev_id, ret); |
5a13e76e KV |
738 | return ret; |
739 | } | |
740 | ||
741 | return 0; | |
742 | } | |
743 | ||
acab6400 | 744 | static int ath10k_mac_set_rts(struct ath10k_vif *arvif, u32 value) |
424121c3 | 745 | { |
6d1506e7 BM |
746 | struct ath10k *ar = arvif->ar; |
747 | u32 vdev_param; | |
748 | ||
6d1506e7 BM |
749 | vdev_param = ar->wmi.vdev_param->rts_threshold; |
750 | return ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, value); | |
424121c3 MK |
751 | } |
752 | ||
5e3dd157 KV |
753 | static int ath10k_peer_delete(struct ath10k *ar, u32 vdev_id, const u8 *addr) |
754 | { | |
755 | int ret; | |
756 | ||
757 | lockdep_assert_held(&ar->conf_mutex); | |
758 | ||
759 | ret = ath10k_wmi_peer_delete(ar, vdev_id, addr); | |
760 | if (ret) | |
761 | return ret; | |
762 | ||
763 | ret = ath10k_wait_for_peer_deleted(ar, vdev_id, addr); | |
764 | if (ret) | |
765 | return ret; | |
766 | ||
0e759f36 | 767 | ar->num_peers--; |
0e759f36 | 768 | |
5e3dd157 KV |
769 | return 0; |
770 | } | |
771 | ||
772 | static void ath10k_peer_cleanup(struct ath10k *ar, u32 vdev_id) | |
773 | { | |
774 | struct ath10k_peer *peer, *tmp; | |
6942726f | 775 | int peer_id; |
5e3dd157 KV |
776 | |
777 | lockdep_assert_held(&ar->conf_mutex); | |
778 | ||
779 | spin_lock_bh(&ar->data_lock); | |
780 | list_for_each_entry_safe(peer, tmp, &ar->peers, list) { | |
781 | if (peer->vdev_id != vdev_id) | |
782 | continue; | |
783 | ||
7aa7a72a | 784 | ath10k_warn(ar, "removing stale peer %pM from vdev_id %d\n", |
5e3dd157 KV |
785 | peer->addr, vdev_id); |
786 | ||
6942726f MK |
787 | for_each_set_bit(peer_id, peer->peer_ids, |
788 | ATH10K_MAX_NUM_PEER_IDS) { | |
789 | ar->peer_map[peer_id] = NULL; | |
790 | } | |
791 | ||
5e3dd157 KV |
792 | list_del(&peer->list); |
793 | kfree(peer); | |
0e759f36 | 794 | ar->num_peers--; |
5e3dd157 KV |
795 | } |
796 | spin_unlock_bh(&ar->data_lock); | |
797 | } | |
798 | ||
a96d7745 MK |
799 | static void ath10k_peer_cleanup_all(struct ath10k *ar) |
800 | { | |
801 | struct ath10k_peer *peer, *tmp; | |
802 | ||
803 | lockdep_assert_held(&ar->conf_mutex); | |
804 | ||
805 | spin_lock_bh(&ar->data_lock); | |
806 | list_for_each_entry_safe(peer, tmp, &ar->peers, list) { | |
807 | list_del(&peer->list); | |
808 | kfree(peer); | |
809 | } | |
810 | spin_unlock_bh(&ar->data_lock); | |
292a753d MK |
811 | |
812 | ar->num_peers = 0; | |
cfd1061e | 813 | ar->num_stations = 0; |
a96d7745 MK |
814 | } |
815 | ||
75d85fd9 MP |
816 | static int ath10k_mac_tdls_peer_update(struct ath10k *ar, u32 vdev_id, |
817 | struct ieee80211_sta *sta, | |
818 | enum wmi_tdls_peer_state state) | |
819 | { | |
820 | int ret; | |
821 | struct wmi_tdls_peer_update_cmd_arg arg = {}; | |
822 | struct wmi_tdls_peer_capab_arg cap = {}; | |
823 | struct wmi_channel_arg chan_arg = {}; | |
824 | ||
825 | lockdep_assert_held(&ar->conf_mutex); | |
826 | ||
827 | arg.vdev_id = vdev_id; | |
828 | arg.peer_state = state; | |
829 | ether_addr_copy(arg.addr, sta->addr); | |
830 | ||
831 | cap.peer_max_sp = sta->max_sp; | |
832 | cap.peer_uapsd_queues = sta->uapsd_queues; | |
833 | ||
834 | if (state == WMI_TDLS_PEER_STATE_CONNECTED && | |
835 | !sta->tdls_initiator) | |
836 | cap.is_peer_responder = 1; | |
837 | ||
838 | ret = ath10k_wmi_tdls_peer_update(ar, &arg, &cap, &chan_arg); | |
839 | if (ret) { | |
840 | ath10k_warn(ar, "failed to update tdls peer %pM on vdev %i: %i\n", | |
841 | arg.addr, vdev_id, ret); | |
842 | return ret; | |
843 | } | |
844 | ||
845 | return 0; | |
846 | } | |
847 | ||
5e3dd157 KV |
848 | /************************/ |
849 | /* Interface management */ | |
850 | /************************/ | |
851 | ||
64badcb6 MK |
852 | void ath10k_mac_vif_beacon_free(struct ath10k_vif *arvif) |
853 | { | |
854 | struct ath10k *ar = arvif->ar; | |
855 | ||
856 | lockdep_assert_held(&ar->data_lock); | |
857 | ||
858 | if (!arvif->beacon) | |
859 | return; | |
860 | ||
861 | if (!arvif->beacon_buf) | |
862 | dma_unmap_single(ar->dev, ATH10K_SKB_CB(arvif->beacon)->paddr, | |
863 | arvif->beacon->len, DMA_TO_DEVICE); | |
864 | ||
af21319f MK |
865 | if (WARN_ON(arvif->beacon_state != ATH10K_BEACON_SCHEDULED && |
866 | arvif->beacon_state != ATH10K_BEACON_SENT)) | |
867 | return; | |
868 | ||
64badcb6 MK |
869 | dev_kfree_skb_any(arvif->beacon); |
870 | ||
871 | arvif->beacon = NULL; | |
af21319f | 872 | arvif->beacon_state = ATH10K_BEACON_SCHEDULED; |
64badcb6 MK |
873 | } |
874 | ||
875 | static void ath10k_mac_vif_beacon_cleanup(struct ath10k_vif *arvif) | |
876 | { | |
877 | struct ath10k *ar = arvif->ar; | |
878 | ||
879 | lockdep_assert_held(&ar->data_lock); | |
880 | ||
881 | ath10k_mac_vif_beacon_free(arvif); | |
882 | ||
883 | if (arvif->beacon_buf) { | |
884 | dma_free_coherent(ar->dev, IEEE80211_MAX_FRAME_LEN, | |
885 | arvif->beacon_buf, arvif->beacon_paddr); | |
886 | arvif->beacon_buf = NULL; | |
887 | } | |
888 | } | |
889 | ||
5e3dd157 KV |
890 | static inline int ath10k_vdev_setup_sync(struct ath10k *ar) |
891 | { | |
8e9904f5 | 892 | unsigned long time_left; |
5e3dd157 | 893 | |
548db54c MK |
894 | lockdep_assert_held(&ar->conf_mutex); |
895 | ||
7962b0d8 MK |
896 | if (test_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags)) |
897 | return -ESHUTDOWN; | |
898 | ||
8e9904f5 NMG |
899 | time_left = wait_for_completion_timeout(&ar->vdev_setup_done, |
900 | ATH10K_VDEV_SETUP_TIMEOUT_HZ); | |
901 | if (time_left == 0) | |
5e3dd157 KV |
902 | return -ETIMEDOUT; |
903 | ||
904 | return 0; | |
905 | } | |
906 | ||
1bbc0975 | 907 | static int ath10k_monitor_vdev_start(struct ath10k *ar, int vdev_id) |
5e3dd157 | 908 | { |
500ff9f9 | 909 | struct cfg80211_chan_def *chandef = NULL; |
19be9e9a | 910 | struct ieee80211_channel *channel = NULL; |
5e3dd157 | 911 | struct wmi_vdev_start_request_arg arg = {}; |
5e3dd157 KV |
912 | int ret = 0; |
913 | ||
914 | lockdep_assert_held(&ar->conf_mutex); | |
915 | ||
500ff9f9 MK |
916 | ieee80211_iter_chan_contexts_atomic(ar->hw, |
917 | ath10k_mac_get_any_chandef_iter, | |
918 | &chandef); | |
919 | if (WARN_ON_ONCE(!chandef)) | |
920 | return -ENOENT; | |
921 | ||
922 | channel = chandef->chan; | |
923 | ||
5e3dd157 KV |
924 | arg.vdev_id = vdev_id; |
925 | arg.channel.freq = channel->center_freq; | |
c930f744 | 926 | arg.channel.band_center_freq1 = chandef->center_freq1; |
5e3dd157 KV |
927 | |
928 | /* TODO setup this dynamically, what in case we | |
929 | don't have any vifs? */ | |
c930f744 | 930 | arg.channel.mode = chan_to_phymode(chandef); |
e8a50f8b MP |
931 | arg.channel.chan_radar = |
932 | !!(channel->flags & IEEE80211_CHAN_RADAR); | |
5e3dd157 | 933 | |
89c5c843 | 934 | arg.channel.min_power = 0; |
02256930 MK |
935 | arg.channel.max_power = channel->max_power * 2; |
936 | arg.channel.max_reg_power = channel->max_reg_power * 2; | |
937 | arg.channel.max_antenna_gain = channel->max_antenna_gain * 2; | |
5e3dd157 | 938 | |
7962b0d8 MK |
939 | reinit_completion(&ar->vdev_setup_done); |
940 | ||
5e3dd157 KV |
941 | ret = ath10k_wmi_vdev_start(ar, &arg); |
942 | if (ret) { | |
7aa7a72a | 943 | ath10k_warn(ar, "failed to request monitor vdev %i start: %d\n", |
69244e56 | 944 | vdev_id, ret); |
5e3dd157 KV |
945 | return ret; |
946 | } | |
947 | ||
948 | ret = ath10k_vdev_setup_sync(ar); | |
949 | if (ret) { | |
60028a81 | 950 | ath10k_warn(ar, "failed to synchronize setup for monitor vdev %i start: %d\n", |
69244e56 | 951 | vdev_id, ret); |
5e3dd157 KV |
952 | return ret; |
953 | } | |
954 | ||
955 | ret = ath10k_wmi_vdev_up(ar, vdev_id, 0, ar->mac_addr); | |
956 | if (ret) { | |
7aa7a72a | 957 | ath10k_warn(ar, "failed to put up monitor vdev %i: %d\n", |
69244e56 | 958 | vdev_id, ret); |
5e3dd157 KV |
959 | goto vdev_stop; |
960 | } | |
961 | ||
962 | ar->monitor_vdev_id = vdev_id; | |
5e3dd157 | 963 | |
7aa7a72a | 964 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %i started\n", |
1bbc0975 | 965 | ar->monitor_vdev_id); |
5e3dd157 KV |
966 | return 0; |
967 | ||
968 | vdev_stop: | |
969 | ret = ath10k_wmi_vdev_stop(ar, ar->monitor_vdev_id); | |
970 | if (ret) | |
7aa7a72a | 971 | ath10k_warn(ar, "failed to stop monitor vdev %i after start failure: %d\n", |
69244e56 | 972 | ar->monitor_vdev_id, ret); |
5e3dd157 KV |
973 | |
974 | return ret; | |
975 | } | |
976 | ||
1bbc0975 | 977 | static int ath10k_monitor_vdev_stop(struct ath10k *ar) |
5e3dd157 KV |
978 | { |
979 | int ret = 0; | |
980 | ||
981 | lockdep_assert_held(&ar->conf_mutex); | |
982 | ||
52fa0191 MP |
983 | ret = ath10k_wmi_vdev_down(ar, ar->monitor_vdev_id); |
984 | if (ret) | |
7aa7a72a | 985 | ath10k_warn(ar, "failed to put down monitor vdev %i: %d\n", |
69244e56 | 986 | ar->monitor_vdev_id, ret); |
5e3dd157 | 987 | |
7962b0d8 MK |
988 | reinit_completion(&ar->vdev_setup_done); |
989 | ||
5e3dd157 KV |
990 | ret = ath10k_wmi_vdev_stop(ar, ar->monitor_vdev_id); |
991 | if (ret) | |
7aa7a72a | 992 | ath10k_warn(ar, "failed to to request monitor vdev %i stop: %d\n", |
69244e56 | 993 | ar->monitor_vdev_id, ret); |
5e3dd157 KV |
994 | |
995 | ret = ath10k_vdev_setup_sync(ar); | |
996 | if (ret) | |
60028a81 | 997 | ath10k_warn(ar, "failed to synchronize monitor vdev %i stop: %d\n", |
69244e56 | 998 | ar->monitor_vdev_id, ret); |
5e3dd157 | 999 | |
7aa7a72a | 1000 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %i stopped\n", |
1bbc0975 | 1001 | ar->monitor_vdev_id); |
5e3dd157 KV |
1002 | return ret; |
1003 | } | |
1004 | ||
1bbc0975 | 1005 | static int ath10k_monitor_vdev_create(struct ath10k *ar) |
5e3dd157 KV |
1006 | { |
1007 | int bit, ret = 0; | |
1008 | ||
1009 | lockdep_assert_held(&ar->conf_mutex); | |
1010 | ||
a9aefb3b | 1011 | if (ar->free_vdev_map == 0) { |
7aa7a72a | 1012 | ath10k_warn(ar, "failed to find free vdev id for monitor vdev\n"); |
5e3dd157 KV |
1013 | return -ENOMEM; |
1014 | } | |
1015 | ||
16c11176 | 1016 | bit = __ffs64(ar->free_vdev_map); |
a9aefb3b | 1017 | |
16c11176 | 1018 | ar->monitor_vdev_id = bit; |
5e3dd157 KV |
1019 | |
1020 | ret = ath10k_wmi_vdev_create(ar, ar->monitor_vdev_id, | |
1021 | WMI_VDEV_TYPE_MONITOR, | |
1022 | 0, ar->mac_addr); | |
1023 | if (ret) { | |
7aa7a72a | 1024 | ath10k_warn(ar, "failed to request monitor vdev %i creation: %d\n", |
69244e56 | 1025 | ar->monitor_vdev_id, ret); |
a9aefb3b | 1026 | return ret; |
5e3dd157 KV |
1027 | } |
1028 | ||
16c11176 | 1029 | ar->free_vdev_map &= ~(1LL << ar->monitor_vdev_id); |
7aa7a72a | 1030 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %d created\n", |
5e3dd157 KV |
1031 | ar->monitor_vdev_id); |
1032 | ||
5e3dd157 | 1033 | return 0; |
5e3dd157 KV |
1034 | } |
1035 | ||
1bbc0975 | 1036 | static int ath10k_monitor_vdev_delete(struct ath10k *ar) |
5e3dd157 KV |
1037 | { |
1038 | int ret = 0; | |
1039 | ||
1040 | lockdep_assert_held(&ar->conf_mutex); | |
1041 | ||
5e3dd157 KV |
1042 | ret = ath10k_wmi_vdev_delete(ar, ar->monitor_vdev_id); |
1043 | if (ret) { | |
7aa7a72a | 1044 | ath10k_warn(ar, "failed to request wmi monitor vdev %i removal: %d\n", |
69244e56 | 1045 | ar->monitor_vdev_id, ret); |
5e3dd157 KV |
1046 | return ret; |
1047 | } | |
1048 | ||
16c11176 | 1049 | ar->free_vdev_map |= 1LL << ar->monitor_vdev_id; |
5e3dd157 | 1050 | |
7aa7a72a | 1051 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %d deleted\n", |
5e3dd157 KV |
1052 | ar->monitor_vdev_id); |
1053 | return ret; | |
1054 | } | |
1055 | ||
1bbc0975 MK |
1056 | static int ath10k_monitor_start(struct ath10k *ar) |
1057 | { | |
1058 | int ret; | |
1059 | ||
1060 | lockdep_assert_held(&ar->conf_mutex); | |
1061 | ||
1bbc0975 MK |
1062 | ret = ath10k_monitor_vdev_create(ar); |
1063 | if (ret) { | |
7aa7a72a | 1064 | ath10k_warn(ar, "failed to create monitor vdev: %d\n", ret); |
1bbc0975 MK |
1065 | return ret; |
1066 | } | |
1067 | ||
1068 | ret = ath10k_monitor_vdev_start(ar, ar->monitor_vdev_id); | |
1069 | if (ret) { | |
7aa7a72a | 1070 | ath10k_warn(ar, "failed to start monitor vdev: %d\n", ret); |
1bbc0975 MK |
1071 | ath10k_monitor_vdev_delete(ar); |
1072 | return ret; | |
1073 | } | |
1074 | ||
1075 | ar->monitor_started = true; | |
7aa7a72a | 1076 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor started\n"); |
1bbc0975 MK |
1077 | |
1078 | return 0; | |
1079 | } | |
1080 | ||
1933747f | 1081 | static int ath10k_monitor_stop(struct ath10k *ar) |
1bbc0975 MK |
1082 | { |
1083 | int ret; | |
1084 | ||
1085 | lockdep_assert_held(&ar->conf_mutex); | |
1086 | ||
1bbc0975 | 1087 | ret = ath10k_monitor_vdev_stop(ar); |
1933747f | 1088 | if (ret) { |
7aa7a72a | 1089 | ath10k_warn(ar, "failed to stop monitor vdev: %d\n", ret); |
1933747f MK |
1090 | return ret; |
1091 | } | |
1bbc0975 MK |
1092 | |
1093 | ret = ath10k_monitor_vdev_delete(ar); | |
1933747f | 1094 | if (ret) { |
7aa7a72a | 1095 | ath10k_warn(ar, "failed to delete monitor vdev: %d\n", ret); |
1933747f MK |
1096 | return ret; |
1097 | } | |
1bbc0975 MK |
1098 | |
1099 | ar->monitor_started = false; | |
7aa7a72a | 1100 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor stopped\n"); |
1933747f MK |
1101 | |
1102 | return 0; | |
1103 | } | |
1104 | ||
500ff9f9 MK |
1105 | static bool ath10k_mac_monitor_vdev_is_needed(struct ath10k *ar) |
1106 | { | |
1107 | int num_ctx; | |
1108 | ||
1109 | /* At least one chanctx is required to derive a channel to start | |
1110 | * monitor vdev on. | |
1111 | */ | |
1112 | num_ctx = ath10k_mac_num_chanctxs(ar); | |
1113 | if (num_ctx == 0) | |
1114 | return false; | |
1115 | ||
1116 | /* If there's already an existing special monitor interface then don't | |
1117 | * bother creating another monitor vdev. | |
1118 | */ | |
1119 | if (ar->monitor_arvif) | |
1120 | return false; | |
1121 | ||
1122 | return ar->monitor || | |
0d031c89 | 1123 | ar->filter_flags & FIF_OTHER_BSS || |
500ff9f9 MK |
1124 | test_bit(ATH10K_CAC_RUNNING, &ar->dev_flags); |
1125 | } | |
1126 | ||
1127 | static bool ath10k_mac_monitor_vdev_is_allowed(struct ath10k *ar) | |
1128 | { | |
1129 | int num_ctx; | |
1130 | ||
1131 | num_ctx = ath10k_mac_num_chanctxs(ar); | |
1132 | ||
1133 | /* FIXME: Current interface combinations and cfg80211/mac80211 code | |
1134 | * shouldn't allow this but make sure to prevent handling the following | |
1135 | * case anyway since multi-channel DFS hasn't been tested at all. | |
1136 | */ | |
1137 | if (test_bit(ATH10K_CAC_RUNNING, &ar->dev_flags) && num_ctx > 1) | |
1138 | return false; | |
1139 | ||
1140 | return true; | |
1141 | } | |
1142 | ||
1933747f MK |
1143 | static int ath10k_monitor_recalc(struct ath10k *ar) |
1144 | { | |
500ff9f9 MK |
1145 | bool needed; |
1146 | bool allowed; | |
1147 | int ret; | |
1933747f MK |
1148 | |
1149 | lockdep_assert_held(&ar->conf_mutex); | |
1150 | ||
500ff9f9 MK |
1151 | needed = ath10k_mac_monitor_vdev_is_needed(ar); |
1152 | allowed = ath10k_mac_monitor_vdev_is_allowed(ar); | |
1933747f MK |
1153 | |
1154 | ath10k_dbg(ar, ATH10K_DBG_MAC, | |
500ff9f9 MK |
1155 | "mac monitor recalc started? %d needed? %d allowed? %d\n", |
1156 | ar->monitor_started, needed, allowed); | |
1933747f | 1157 | |
500ff9f9 MK |
1158 | if (WARN_ON(needed && !allowed)) { |
1159 | if (ar->monitor_started) { | |
1160 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor stopping disallowed monitor\n"); | |
1161 | ||
1162 | ret = ath10k_monitor_stop(ar); | |
1163 | if (ret) | |
2a995088 KV |
1164 | ath10k_warn(ar, "failed to stop disallowed monitor: %d\n", |
1165 | ret); | |
500ff9f9 MK |
1166 | /* not serious */ |
1167 | } | |
1933747f | 1168 | |
500ff9f9 MK |
1169 | return -EPERM; |
1170 | } | |
1933747f | 1171 | |
500ff9f9 | 1172 | if (needed == ar->monitor_started) |
1933747f MK |
1173 | return 0; |
1174 | ||
500ff9f9 | 1175 | if (needed) |
1933747f | 1176 | return ath10k_monitor_start(ar); |
500ff9f9 MK |
1177 | else |
1178 | return ath10k_monitor_stop(ar); | |
1bbc0975 MK |
1179 | } |
1180 | ||
e81bd104 MK |
1181 | static int ath10k_recalc_rtscts_prot(struct ath10k_vif *arvif) |
1182 | { | |
1183 | struct ath10k *ar = arvif->ar; | |
1184 | u32 vdev_param, rts_cts = 0; | |
1185 | ||
1186 | lockdep_assert_held(&ar->conf_mutex); | |
1187 | ||
1188 | vdev_param = ar->wmi.vdev_param->enable_rtscts; | |
1189 | ||
9a5ab0f4 | 1190 | rts_cts |= SM(WMI_RTSCTS_ENABLED, WMI_RTSCTS_SET); |
e81bd104 MK |
1191 | |
1192 | if (arvif->num_legacy_stations > 0) | |
1193 | rts_cts |= SM(WMI_RTSCTS_ACROSS_SW_RETRIES, | |
1194 | WMI_RTSCTS_PROFILE); | |
9a5ab0f4 RM |
1195 | else |
1196 | rts_cts |= SM(WMI_RTSCTS_FOR_SECOND_RATESERIES, | |
1197 | WMI_RTSCTS_PROFILE); | |
e81bd104 MK |
1198 | |
1199 | return ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, | |
1200 | rts_cts); | |
1201 | } | |
1202 | ||
e8a50f8b MP |
1203 | static int ath10k_start_cac(struct ath10k *ar) |
1204 | { | |
1205 | int ret; | |
1206 | ||
1207 | lockdep_assert_held(&ar->conf_mutex); | |
1208 | ||
1209 | set_bit(ATH10K_CAC_RUNNING, &ar->dev_flags); | |
1210 | ||
1933747f | 1211 | ret = ath10k_monitor_recalc(ar); |
e8a50f8b | 1212 | if (ret) { |
7aa7a72a | 1213 | ath10k_warn(ar, "failed to start monitor (cac): %d\n", ret); |
e8a50f8b MP |
1214 | clear_bit(ATH10K_CAC_RUNNING, &ar->dev_flags); |
1215 | return ret; | |
1216 | } | |
1217 | ||
7aa7a72a | 1218 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac cac start monitor vdev %d\n", |
e8a50f8b MP |
1219 | ar->monitor_vdev_id); |
1220 | ||
1221 | return 0; | |
1222 | } | |
1223 | ||
1224 | static int ath10k_stop_cac(struct ath10k *ar) | |
1225 | { | |
1226 | lockdep_assert_held(&ar->conf_mutex); | |
1227 | ||
1228 | /* CAC is not running - do nothing */ | |
1229 | if (!test_bit(ATH10K_CAC_RUNNING, &ar->dev_flags)) | |
1230 | return 0; | |
1231 | ||
e8a50f8b | 1232 | clear_bit(ATH10K_CAC_RUNNING, &ar->dev_flags); |
1bbc0975 | 1233 | ath10k_monitor_stop(ar); |
e8a50f8b | 1234 | |
7aa7a72a | 1235 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac cac finished\n"); |
e8a50f8b MP |
1236 | |
1237 | return 0; | |
1238 | } | |
1239 | ||
500ff9f9 MK |
1240 | static void ath10k_mac_has_radar_iter(struct ieee80211_hw *hw, |
1241 | struct ieee80211_chanctx_conf *conf, | |
1242 | void *data) | |
1243 | { | |
1244 | bool *ret = data; | |
1245 | ||
1246 | if (!*ret && conf->radar_enabled) | |
1247 | *ret = true; | |
1248 | } | |
1249 | ||
1250 | static bool ath10k_mac_has_radar_enabled(struct ath10k *ar) | |
1251 | { | |
1252 | bool has_radar = false; | |
1253 | ||
1254 | ieee80211_iter_chan_contexts_atomic(ar->hw, | |
1255 | ath10k_mac_has_radar_iter, | |
1256 | &has_radar); | |
1257 | ||
1258 | return has_radar; | |
1259 | } | |
1260 | ||
d650097b | 1261 | static void ath10k_recalc_radar_detection(struct ath10k *ar) |
e8a50f8b | 1262 | { |
e8a50f8b MP |
1263 | int ret; |
1264 | ||
1265 | lockdep_assert_held(&ar->conf_mutex); | |
1266 | ||
e8a50f8b MP |
1267 | ath10k_stop_cac(ar); |
1268 | ||
500ff9f9 | 1269 | if (!ath10k_mac_has_radar_enabled(ar)) |
e8a50f8b MP |
1270 | return; |
1271 | ||
d650097b | 1272 | if (ar->num_started_vdevs > 0) |
e8a50f8b MP |
1273 | return; |
1274 | ||
1275 | ret = ath10k_start_cac(ar); | |
1276 | if (ret) { | |
1277 | /* | |
1278 | * Not possible to start CAC on current channel so starting | |
1279 | * radiation is not allowed, make this channel DFS_UNAVAILABLE | |
1280 | * by indicating that radar was detected. | |
1281 | */ | |
7aa7a72a | 1282 | ath10k_warn(ar, "failed to start CAC: %d\n", ret); |
e8a50f8b MP |
1283 | ieee80211_radar_detected(ar->hw); |
1284 | } | |
1285 | } | |
1286 | ||
822b7e0b VT |
1287 | static int ath10k_vdev_stop(struct ath10k_vif *arvif) |
1288 | { | |
1289 | struct ath10k *ar = arvif->ar; | |
1290 | int ret; | |
1291 | ||
1292 | lockdep_assert_held(&ar->conf_mutex); | |
1293 | ||
1294 | reinit_completion(&ar->vdev_setup_done); | |
1295 | ||
1296 | ret = ath10k_wmi_vdev_stop(ar, arvif->vdev_id); | |
1297 | if (ret) { | |
1298 | ath10k_warn(ar, "failed to stop WMI vdev %i: %d\n", | |
1299 | arvif->vdev_id, ret); | |
1300 | return ret; | |
1301 | } | |
1302 | ||
1303 | ret = ath10k_vdev_setup_sync(ar); | |
1304 | if (ret) { | |
1305 | ath10k_warn(ar, "failed to syncronise setup for vdev %i: %d\n", | |
1306 | arvif->vdev_id, ret); | |
1307 | return ret; | |
1308 | } | |
1309 | ||
1310 | WARN_ON(ar->num_started_vdevs == 0); | |
1311 | ||
1312 | if (ar->num_started_vdevs != 0) { | |
1313 | ar->num_started_vdevs--; | |
1314 | ath10k_recalc_radar_detection(ar); | |
1315 | } | |
1316 | ||
1317 | return ret; | |
1318 | } | |
1319 | ||
500ff9f9 MK |
1320 | static int ath10k_vdev_start_restart(struct ath10k_vif *arvif, |
1321 | const struct cfg80211_chan_def *chandef, | |
1322 | bool restart) | |
72654fa7 MK |
1323 | { |
1324 | struct ath10k *ar = arvif->ar; | |
72654fa7 MK |
1325 | struct wmi_vdev_start_request_arg arg = {}; |
1326 | int ret = 0; | |
1327 | ||
1328 | lockdep_assert_held(&ar->conf_mutex); | |
1329 | ||
1330 | reinit_completion(&ar->vdev_setup_done); | |
1331 | ||
1332 | arg.vdev_id = arvif->vdev_id; | |
1333 | arg.dtim_period = arvif->dtim_period; | |
1334 | arg.bcn_intval = arvif->beacon_interval; | |
1335 | ||
1336 | arg.channel.freq = chandef->chan->center_freq; | |
1337 | arg.channel.band_center_freq1 = chandef->center_freq1; | |
1338 | arg.channel.mode = chan_to_phymode(chandef); | |
1339 | ||
1340 | arg.channel.min_power = 0; | |
1341 | arg.channel.max_power = chandef->chan->max_power * 2; | |
1342 | arg.channel.max_reg_power = chandef->chan->max_reg_power * 2; | |
1343 | arg.channel.max_antenna_gain = chandef->chan->max_antenna_gain * 2; | |
1344 | ||
1345 | if (arvif->vdev_type == WMI_VDEV_TYPE_AP) { | |
1346 | arg.ssid = arvif->u.ap.ssid; | |
1347 | arg.ssid_len = arvif->u.ap.ssid_len; | |
1348 | arg.hidden_ssid = arvif->u.ap.hidden_ssid; | |
1349 | ||
1350 | /* For now allow DFS for AP mode */ | |
1351 | arg.channel.chan_radar = | |
1352 | !!(chandef->chan->flags & IEEE80211_CHAN_RADAR); | |
1353 | } else if (arvif->vdev_type == WMI_VDEV_TYPE_IBSS) { | |
1354 | arg.ssid = arvif->vif->bss_conf.ssid; | |
1355 | arg.ssid_len = arvif->vif->bss_conf.ssid_len; | |
1356 | } | |
1357 | ||
7aa7a72a | 1358 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
72654fa7 MK |
1359 | "mac vdev %d start center_freq %d phymode %s\n", |
1360 | arg.vdev_id, arg.channel.freq, | |
1361 | ath10k_wmi_phymode_str(arg.channel.mode)); | |
1362 | ||
dc55e307 MK |
1363 | if (restart) |
1364 | ret = ath10k_wmi_vdev_restart(ar, &arg); | |
1365 | else | |
1366 | ret = ath10k_wmi_vdev_start(ar, &arg); | |
1367 | ||
72654fa7 | 1368 | if (ret) { |
7aa7a72a | 1369 | ath10k_warn(ar, "failed to start WMI vdev %i: %d\n", |
72654fa7 MK |
1370 | arg.vdev_id, ret); |
1371 | return ret; | |
1372 | } | |
1373 | ||
1374 | ret = ath10k_vdev_setup_sync(ar); | |
1375 | if (ret) { | |
60028a81 BG |
1376 | ath10k_warn(ar, |
1377 | "failed to synchronize setup for vdev %i restart %d: %d\n", | |
1378 | arg.vdev_id, restart, ret); | |
72654fa7 MK |
1379 | return ret; |
1380 | } | |
1381 | ||
d650097b MK |
1382 | ar->num_started_vdevs++; |
1383 | ath10k_recalc_radar_detection(ar); | |
1384 | ||
72654fa7 MK |
1385 | return ret; |
1386 | } | |
1387 | ||
500ff9f9 MK |
1388 | static int ath10k_vdev_start(struct ath10k_vif *arvif, |
1389 | const struct cfg80211_chan_def *def) | |
dc55e307 | 1390 | { |
500ff9f9 | 1391 | return ath10k_vdev_start_restart(arvif, def, false); |
dc55e307 MK |
1392 | } |
1393 | ||
500ff9f9 MK |
1394 | static int ath10k_vdev_restart(struct ath10k_vif *arvif, |
1395 | const struct cfg80211_chan_def *def) | |
72654fa7 | 1396 | { |
500ff9f9 | 1397 | return ath10k_vdev_start_restart(arvif, def, true); |
72654fa7 MK |
1398 | } |
1399 | ||
fbb8f1b7 MK |
1400 | static int ath10k_mac_setup_bcn_p2p_ie(struct ath10k_vif *arvif, |
1401 | struct sk_buff *bcn) | |
1402 | { | |
1403 | struct ath10k *ar = arvif->ar; | |
1404 | struct ieee80211_mgmt *mgmt; | |
1405 | const u8 *p2p_ie; | |
1406 | int ret; | |
1407 | ||
08c27be1 | 1408 | if (arvif->vif->type != NL80211_IFTYPE_AP || !arvif->vif->p2p) |
fbb8f1b7 MK |
1409 | return 0; |
1410 | ||
1411 | mgmt = (void *)bcn->data; | |
1412 | p2p_ie = cfg80211_find_vendor_ie(WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P, | |
1413 | mgmt->u.beacon.variable, | |
1414 | bcn->len - (mgmt->u.beacon.variable - | |
1415 | bcn->data)); | |
1416 | if (!p2p_ie) | |
1417 | return -ENOENT; | |
1418 | ||
1419 | ret = ath10k_wmi_p2p_go_bcn_ie(ar, arvif->vdev_id, p2p_ie); | |
1420 | if (ret) { | |
1421 | ath10k_warn(ar, "failed to submit p2p go bcn ie for vdev %i: %d\n", | |
1422 | arvif->vdev_id, ret); | |
1423 | return ret; | |
1424 | } | |
1425 | ||
1426 | return 0; | |
1427 | } | |
1428 | ||
1429 | static int ath10k_mac_remove_vendor_ie(struct sk_buff *skb, unsigned int oui, | |
1430 | u8 oui_type, size_t ie_offset) | |
1431 | { | |
1432 | size_t len; | |
1433 | const u8 *next; | |
1434 | const u8 *end; | |
1435 | u8 *ie; | |
1436 | ||
1437 | if (WARN_ON(skb->len < ie_offset)) | |
1438 | return -EINVAL; | |
1439 | ||
1440 | ie = (u8 *)cfg80211_find_vendor_ie(oui, oui_type, | |
1441 | skb->data + ie_offset, | |
1442 | skb->len - ie_offset); | |
1443 | if (!ie) | |
1444 | return -ENOENT; | |
1445 | ||
1446 | len = ie[1] + 2; | |
1447 | end = skb->data + skb->len; | |
1448 | next = ie + len; | |
1449 | ||
1450 | if (WARN_ON(next > end)) | |
1451 | return -EINVAL; | |
1452 | ||
1453 | memmove(ie, next, end - next); | |
1454 | skb_trim(skb, skb->len - len); | |
1455 | ||
1456 | return 0; | |
1457 | } | |
1458 | ||
1459 | static int ath10k_mac_setup_bcn_tmpl(struct ath10k_vif *arvif) | |
1460 | { | |
1461 | struct ath10k *ar = arvif->ar; | |
1462 | struct ieee80211_hw *hw = ar->hw; | |
1463 | struct ieee80211_vif *vif = arvif->vif; | |
1464 | struct ieee80211_mutable_offsets offs = {}; | |
1465 | struct sk_buff *bcn; | |
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 | arvif->vdev_type != WMI_VDEV_TYPE_IBSS) | |
1473 | return 0; | |
1474 | ||
fbb8f1b7 MK |
1475 | bcn = ieee80211_beacon_get_template(hw, vif, &offs); |
1476 | if (!bcn) { | |
1477 | ath10k_warn(ar, "failed to get beacon template from mac80211\n"); | |
1478 | return -EPERM; | |
1479 | } | |
1480 | ||
1481 | ret = ath10k_mac_setup_bcn_p2p_ie(arvif, bcn); | |
1482 | if (ret) { | |
1483 | ath10k_warn(ar, "failed to setup p2p go bcn ie: %d\n", ret); | |
1484 | kfree_skb(bcn); | |
1485 | return ret; | |
1486 | } | |
1487 | ||
1488 | /* P2P IE is inserted by firmware automatically (as configured above) | |
1489 | * so remove it from the base beacon template to avoid duplicate P2P | |
1490 | * IEs in beacon frames. | |
1491 | */ | |
1492 | ath10k_mac_remove_vendor_ie(bcn, WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P, | |
1493 | offsetof(struct ieee80211_mgmt, | |
1494 | u.beacon.variable)); | |
1495 | ||
1496 | ret = ath10k_wmi_bcn_tmpl(ar, arvif->vdev_id, offs.tim_offset, bcn, 0, | |
1497 | 0, NULL, 0); | |
1498 | kfree_skb(bcn); | |
1499 | ||
1500 | if (ret) { | |
1501 | ath10k_warn(ar, "failed to submit beacon template command: %d\n", | |
1502 | ret); | |
1503 | return ret; | |
1504 | } | |
1505 | ||
1506 | return 0; | |
1507 | } | |
1508 | ||
1509 | static int ath10k_mac_setup_prb_tmpl(struct ath10k_vif *arvif) | |
1510 | { | |
1511 | struct ath10k *ar = arvif->ar; | |
1512 | struct ieee80211_hw *hw = ar->hw; | |
1513 | struct ieee80211_vif *vif = arvif->vif; | |
1514 | struct sk_buff *prb; | |
1515 | int ret; | |
1516 | ||
1517 | if (!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map)) | |
1518 | return 0; | |
1519 | ||
81a9a17d MK |
1520 | if (arvif->vdev_type != WMI_VDEV_TYPE_AP) |
1521 | return 0; | |
1522 | ||
fbb8f1b7 MK |
1523 | prb = ieee80211_proberesp_get(hw, vif); |
1524 | if (!prb) { | |
1525 | ath10k_warn(ar, "failed to get probe resp template from mac80211\n"); | |
1526 | return -EPERM; | |
1527 | } | |
1528 | ||
1529 | ret = ath10k_wmi_prb_tmpl(ar, arvif->vdev_id, prb); | |
1530 | kfree_skb(prb); | |
1531 | ||
1532 | if (ret) { | |
1533 | ath10k_warn(ar, "failed to submit probe resp template command: %d\n", | |
1534 | ret); | |
1535 | return ret; | |
1536 | } | |
1537 | ||
1538 | return 0; | |
1539 | } | |
1540 | ||
500ff9f9 MK |
1541 | static int ath10k_mac_vif_fix_hidden_ssid(struct ath10k_vif *arvif) |
1542 | { | |
1543 | struct ath10k *ar = arvif->ar; | |
1544 | struct cfg80211_chan_def def; | |
1545 | int ret; | |
1546 | ||
1547 | /* When originally vdev is started during assign_vif_chanctx() some | |
1548 | * information is missing, notably SSID. Firmware revisions with beacon | |
1549 | * offloading require the SSID to be provided during vdev (re)start to | |
1550 | * handle hidden SSID properly. | |
1551 | * | |
1552 | * Vdev restart must be done after vdev has been both started and | |
1553 | * upped. Otherwise some firmware revisions (at least 10.2) fail to | |
1554 | * deliver vdev restart response event causing timeouts during vdev | |
1555 | * syncing in ath10k. | |
1556 | * | |
1557 | * Note: The vdev down/up and template reinstallation could be skipped | |
1558 | * since only wmi-tlv firmware are known to have beacon offload and | |
1559 | * wmi-tlv doesn't seem to misbehave like 10.2 wrt vdev restart | |
1560 | * response delivery. It's probably more robust to keep it as is. | |
1561 | */ | |
1562 | if (!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map)) | |
1563 | return 0; | |
1564 | ||
1565 | if (WARN_ON(!arvif->is_started)) | |
1566 | return -EINVAL; | |
1567 | ||
1568 | if (WARN_ON(!arvif->is_up)) | |
1569 | return -EINVAL; | |
1570 | ||
1571 | if (WARN_ON(ath10k_mac_vif_chan(arvif->vif, &def))) | |
1572 | return -EINVAL; | |
1573 | ||
1574 | ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id); | |
1575 | if (ret) { | |
1576 | ath10k_warn(ar, "failed to bring down ap vdev %i: %d\n", | |
1577 | arvif->vdev_id, ret); | |
1578 | return ret; | |
1579 | } | |
1580 | ||
1581 | /* Vdev down reset beacon & presp templates. Reinstall them. Otherwise | |
1582 | * firmware will crash upon vdev up. | |
1583 | */ | |
1584 | ||
1585 | ret = ath10k_mac_setup_bcn_tmpl(arvif); | |
1586 | if (ret) { | |
1587 | ath10k_warn(ar, "failed to update beacon template: %d\n", ret); | |
1588 | return ret; | |
1589 | } | |
1590 | ||
1591 | ret = ath10k_mac_setup_prb_tmpl(arvif); | |
1592 | if (ret) { | |
1593 | ath10k_warn(ar, "failed to update presp template: %d\n", ret); | |
1594 | return ret; | |
1595 | } | |
1596 | ||
1597 | ret = ath10k_vdev_restart(arvif, &def); | |
1598 | if (ret) { | |
1599 | ath10k_warn(ar, "failed to restart ap vdev %i: %d\n", | |
1600 | arvif->vdev_id, ret); | |
1601 | return ret; | |
1602 | } | |
1603 | ||
1604 | ret = ath10k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid, | |
1605 | arvif->bssid); | |
1606 | if (ret) { | |
1607 | ath10k_warn(ar, "failed to bring up ap vdev %i: %d\n", | |
1608 | arvif->vdev_id, ret); | |
1609 | return ret; | |
1610 | } | |
1611 | ||
1612 | return 0; | |
1613 | } | |
1614 | ||
5e3dd157 | 1615 | static void ath10k_control_beaconing(struct ath10k_vif *arvif, |
5b07e07f | 1616 | struct ieee80211_bss_conf *info) |
5e3dd157 | 1617 | { |
7aa7a72a | 1618 | struct ath10k *ar = arvif->ar; |
5e3dd157 KV |
1619 | int ret = 0; |
1620 | ||
548db54c MK |
1621 | lockdep_assert_held(&arvif->ar->conf_mutex); |
1622 | ||
5e3dd157 | 1623 | if (!info->enable_beacon) { |
500ff9f9 MK |
1624 | ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id); |
1625 | if (ret) | |
1626 | ath10k_warn(ar, "failed to down vdev_id %i: %d\n", | |
1627 | arvif->vdev_id, ret); | |
c930f744 | 1628 | |
c930f744 MK |
1629 | arvif->is_up = false; |
1630 | ||
748afc47 | 1631 | spin_lock_bh(&arvif->ar->data_lock); |
64badcb6 | 1632 | ath10k_mac_vif_beacon_free(arvif); |
748afc47 MK |
1633 | spin_unlock_bh(&arvif->ar->data_lock); |
1634 | ||
5e3dd157 KV |
1635 | return; |
1636 | } | |
1637 | ||
1638 | arvif->tx_seq_no = 0x1000; | |
1639 | ||
c930f744 | 1640 | arvif->aid = 0; |
b25f32cb | 1641 | ether_addr_copy(arvif->bssid, info->bssid); |
c930f744 MK |
1642 | |
1643 | ret = ath10k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid, | |
1644 | arvif->bssid); | |
5e3dd157 | 1645 | if (ret) { |
7aa7a72a | 1646 | ath10k_warn(ar, "failed to bring up vdev %d: %i\n", |
69244e56 | 1647 | arvif->vdev_id, ret); |
5e3dd157 KV |
1648 | return; |
1649 | } | |
c930f744 | 1650 | |
c930f744 MK |
1651 | arvif->is_up = true; |
1652 | ||
500ff9f9 MK |
1653 | ret = ath10k_mac_vif_fix_hidden_ssid(arvif); |
1654 | if (ret) { | |
1655 | ath10k_warn(ar, "failed to fix hidden ssid for vdev %i, expect trouble: %d\n", | |
1656 | arvif->vdev_id, ret); | |
1657 | return; | |
1658 | } | |
1659 | ||
7aa7a72a | 1660 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d up\n", arvif->vdev_id); |
5e3dd157 KV |
1661 | } |
1662 | ||
1663 | static void ath10k_control_ibss(struct ath10k_vif *arvif, | |
1664 | struct ieee80211_bss_conf *info, | |
1665 | const u8 self_peer[ETH_ALEN]) | |
1666 | { | |
7aa7a72a | 1667 | struct ath10k *ar = arvif->ar; |
6d1506e7 | 1668 | u32 vdev_param; |
5e3dd157 KV |
1669 | int ret = 0; |
1670 | ||
548db54c MK |
1671 | lockdep_assert_held(&arvif->ar->conf_mutex); |
1672 | ||
5e3dd157 | 1673 | if (!info->ibss_joined) { |
c930f744 | 1674 | if (is_zero_ether_addr(arvif->bssid)) |
5e3dd157 KV |
1675 | return; |
1676 | ||
93803b33 | 1677 | eth_zero_addr(arvif->bssid); |
5e3dd157 KV |
1678 | |
1679 | return; | |
1680 | } | |
1681 | ||
6d1506e7 BM |
1682 | vdev_param = arvif->ar->wmi.vdev_param->atim_window; |
1683 | ret = ath10k_wmi_vdev_set_param(arvif->ar, arvif->vdev_id, vdev_param, | |
5e3dd157 KV |
1684 | ATH10K_DEFAULT_ATIM); |
1685 | if (ret) | |
7aa7a72a | 1686 | ath10k_warn(ar, "failed to set IBSS ATIM for vdev %d: %d\n", |
5e3dd157 KV |
1687 | arvif->vdev_id, ret); |
1688 | } | |
1689 | ||
9f9b5746 MK |
1690 | static int ath10k_mac_vif_recalc_ps_wake_threshold(struct ath10k_vif *arvif) |
1691 | { | |
1692 | struct ath10k *ar = arvif->ar; | |
1693 | u32 param; | |
1694 | u32 value; | |
1695 | int ret; | |
1696 | ||
1697 | lockdep_assert_held(&arvif->ar->conf_mutex); | |
1698 | ||
1699 | if (arvif->u.sta.uapsd) | |
1700 | value = WMI_STA_PS_TX_WAKE_THRESHOLD_NEVER; | |
1701 | else | |
1702 | value = WMI_STA_PS_TX_WAKE_THRESHOLD_ALWAYS; | |
1703 | ||
1704 | param = WMI_STA_PS_PARAM_TX_WAKE_THRESHOLD; | |
1705 | ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, param, value); | |
1706 | if (ret) { | |
1707 | ath10k_warn(ar, "failed to submit ps wake threshold %u on vdev %i: %d\n", | |
1708 | value, arvif->vdev_id, ret); | |
1709 | return ret; | |
1710 | } | |
1711 | ||
1712 | return 0; | |
1713 | } | |
1714 | ||
1715 | static int ath10k_mac_vif_recalc_ps_poll_count(struct ath10k_vif *arvif) | |
1716 | { | |
1717 | struct ath10k *ar = arvif->ar; | |
1718 | u32 param; | |
1719 | u32 value; | |
1720 | int ret; | |
1721 | ||
1722 | lockdep_assert_held(&arvif->ar->conf_mutex); | |
1723 | ||
1724 | if (arvif->u.sta.uapsd) | |
1725 | value = WMI_STA_PS_PSPOLL_COUNT_UAPSD; | |
1726 | else | |
1727 | value = WMI_STA_PS_PSPOLL_COUNT_NO_MAX; | |
1728 | ||
1729 | param = WMI_STA_PS_PARAM_PSPOLL_COUNT; | |
1730 | ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, | |
1731 | param, value); | |
1732 | if (ret) { | |
1733 | ath10k_warn(ar, "failed to submit ps poll count %u on vdev %i: %d\n", | |
1734 | value, arvif->vdev_id, ret); | |
1735 | return ret; | |
1736 | } | |
1737 | ||
1738 | return 0; | |
1739 | } | |
1740 | ||
424f2630 | 1741 | static int ath10k_mac_num_vifs_started(struct ath10k *ar) |
cffb41f3 MK |
1742 | { |
1743 | struct ath10k_vif *arvif; | |
1744 | int num = 0; | |
1745 | ||
1746 | lockdep_assert_held(&ar->conf_mutex); | |
1747 | ||
1748 | list_for_each_entry(arvif, &ar->arvifs, list) | |
424f2630 | 1749 | if (arvif->is_started) |
cffb41f3 MK |
1750 | num++; |
1751 | ||
1752 | return num; | |
1753 | } | |
1754 | ||
ad088bfa | 1755 | static int ath10k_mac_vif_setup_ps(struct ath10k_vif *arvif) |
5e3dd157 | 1756 | { |
ad088bfa | 1757 | struct ath10k *ar = arvif->ar; |
526549a8 | 1758 | struct ieee80211_vif *vif = arvif->vif; |
ad088bfa | 1759 | struct ieee80211_conf *conf = &ar->hw->conf; |
5e3dd157 KV |
1760 | enum wmi_sta_powersave_param param; |
1761 | enum wmi_sta_ps_mode psmode; | |
1762 | int ret; | |
526549a8 | 1763 | int ps_timeout; |
cffb41f3 | 1764 | bool enable_ps; |
5e3dd157 | 1765 | |
548db54c MK |
1766 | lockdep_assert_held(&arvif->ar->conf_mutex); |
1767 | ||
ad088bfa MK |
1768 | if (arvif->vif->type != NL80211_IFTYPE_STATION) |
1769 | return 0; | |
5e3dd157 | 1770 | |
cffb41f3 MK |
1771 | enable_ps = arvif->ps; |
1772 | ||
424f2630 | 1773 | if (enable_ps && ath10k_mac_num_vifs_started(ar) > 1 && |
cffb41f3 | 1774 | !test_bit(ATH10K_FW_FEATURE_MULTI_VIF_PS_SUPPORT, |
c4cdf753 | 1775 | ar->running_fw->fw_file.fw_features)) { |
cffb41f3 MK |
1776 | ath10k_warn(ar, "refusing to enable ps on vdev %i: not supported by fw\n", |
1777 | arvif->vdev_id); | |
1778 | enable_ps = false; | |
1779 | } | |
1780 | ||
917826be JD |
1781 | if (!arvif->is_started) { |
1782 | /* mac80211 can update vif powersave state while disconnected. | |
1783 | * Firmware doesn't behave nicely and consumes more power than | |
1784 | * necessary if PS is disabled on a non-started vdev. Hence | |
1785 | * force-enable PS for non-running vdevs. | |
1786 | */ | |
1787 | psmode = WMI_STA_PS_MODE_ENABLED; | |
1788 | } else if (enable_ps) { | |
5e3dd157 KV |
1789 | psmode = WMI_STA_PS_MODE_ENABLED; |
1790 | param = WMI_STA_PS_PARAM_INACTIVITY_TIME; | |
1791 | ||
526549a8 MK |
1792 | ps_timeout = conf->dynamic_ps_timeout; |
1793 | if (ps_timeout == 0) { | |
1794 | /* Firmware doesn't like 0 */ | |
1795 | ps_timeout = ieee80211_tu_to_usec( | |
1796 | vif->bss_conf.beacon_int) / 1000; | |
1797 | } | |
1798 | ||
ad088bfa | 1799 | ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, param, |
526549a8 | 1800 | ps_timeout); |
5e3dd157 | 1801 | if (ret) { |
7aa7a72a | 1802 | ath10k_warn(ar, "failed to set inactivity time for vdev %d: %i\n", |
69244e56 | 1803 | arvif->vdev_id, ret); |
ad088bfa | 1804 | return ret; |
5e3dd157 | 1805 | } |
5e3dd157 KV |
1806 | } else { |
1807 | psmode = WMI_STA_PS_MODE_DISABLED; | |
1808 | } | |
1809 | ||
7aa7a72a | 1810 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d psmode %s\n", |
60c3daa8 KV |
1811 | arvif->vdev_id, psmode ? "enable" : "disable"); |
1812 | ||
ad088bfa MK |
1813 | ret = ath10k_wmi_set_psmode(ar, arvif->vdev_id, psmode); |
1814 | if (ret) { | |
7aa7a72a | 1815 | ath10k_warn(ar, "failed to set PS Mode %d for vdev %d: %d\n", |
be6546fc | 1816 | psmode, arvif->vdev_id, ret); |
ad088bfa MK |
1817 | return ret; |
1818 | } | |
1819 | ||
1820 | return 0; | |
5e3dd157 KV |
1821 | } |
1822 | ||
46725b15 MK |
1823 | static int ath10k_mac_vif_disable_keepalive(struct ath10k_vif *arvif) |
1824 | { | |
1825 | struct ath10k *ar = arvif->ar; | |
1826 | struct wmi_sta_keepalive_arg arg = {}; | |
1827 | int ret; | |
1828 | ||
1829 | lockdep_assert_held(&arvif->ar->conf_mutex); | |
1830 | ||
1831 | if (arvif->vdev_type != WMI_VDEV_TYPE_STA) | |
1832 | return 0; | |
1833 | ||
1834 | if (!test_bit(WMI_SERVICE_STA_KEEP_ALIVE, ar->wmi.svc_map)) | |
1835 | return 0; | |
1836 | ||
1837 | /* Some firmware revisions have a bug and ignore the `enabled` field. | |
1838 | * Instead use the interval to disable the keepalive. | |
1839 | */ | |
1840 | arg.vdev_id = arvif->vdev_id; | |
1841 | arg.enabled = 1; | |
1842 | arg.method = WMI_STA_KEEPALIVE_METHOD_NULL_FRAME; | |
1843 | arg.interval = WMI_STA_KEEPALIVE_INTERVAL_DISABLE; | |
1844 | ||
1845 | ret = ath10k_wmi_sta_keepalive(ar, &arg); | |
1846 | if (ret) { | |
1847 | ath10k_warn(ar, "failed to submit keepalive on vdev %i: %d\n", | |
1848 | arvif->vdev_id, ret); | |
1849 | return ret; | |
1850 | } | |
1851 | ||
1852 | return 0; | |
1853 | } | |
1854 | ||
81a9a17d MK |
1855 | static void ath10k_mac_vif_ap_csa_count_down(struct ath10k_vif *arvif) |
1856 | { | |
1857 | struct ath10k *ar = arvif->ar; | |
1858 | struct ieee80211_vif *vif = arvif->vif; | |
1859 | int ret; | |
1860 | ||
8513d95b MK |
1861 | lockdep_assert_held(&arvif->ar->conf_mutex); |
1862 | ||
1863 | if (WARN_ON(!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map))) | |
1864 | return; | |
1865 | ||
81a9a17d MK |
1866 | if (arvif->vdev_type != WMI_VDEV_TYPE_AP) |
1867 | return; | |
1868 | ||
1869 | if (!vif->csa_active) | |
1870 | return; | |
1871 | ||
1872 | if (!arvif->is_up) | |
1873 | return; | |
1874 | ||
1875 | if (!ieee80211_csa_is_complete(vif)) { | |
1876 | ieee80211_csa_update_counter(vif); | |
1877 | ||
1878 | ret = ath10k_mac_setup_bcn_tmpl(arvif); | |
1879 | if (ret) | |
1880 | ath10k_warn(ar, "failed to update bcn tmpl during csa: %d\n", | |
1881 | ret); | |
1882 | ||
1883 | ret = ath10k_mac_setup_prb_tmpl(arvif); | |
1884 | if (ret) | |
1885 | ath10k_warn(ar, "failed to update prb tmpl during csa: %d\n", | |
1886 | ret); | |
1887 | } else { | |
1888 | ieee80211_csa_finish(vif); | |
1889 | } | |
1890 | } | |
1891 | ||
1892 | static void ath10k_mac_vif_ap_csa_work(struct work_struct *work) | |
1893 | { | |
1894 | struct ath10k_vif *arvif = container_of(work, struct ath10k_vif, | |
1895 | ap_csa_work); | |
1896 | struct ath10k *ar = arvif->ar; | |
1897 | ||
1898 | mutex_lock(&ar->conf_mutex); | |
1899 | ath10k_mac_vif_ap_csa_count_down(arvif); | |
1900 | mutex_unlock(&ar->conf_mutex); | |
1901 | } | |
1902 | ||
cc9904e6 MK |
1903 | static void ath10k_mac_handle_beacon_iter(void *data, u8 *mac, |
1904 | struct ieee80211_vif *vif) | |
1905 | { | |
1906 | struct sk_buff *skb = data; | |
1907 | struct ieee80211_mgmt *mgmt = (void *)skb->data; | |
1908 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
1909 | ||
1910 | if (vif->type != NL80211_IFTYPE_STATION) | |
1911 | return; | |
1912 | ||
1913 | if (!ether_addr_equal(mgmt->bssid, vif->bss_conf.bssid)) | |
1914 | return; | |
1915 | ||
1916 | cancel_delayed_work(&arvif->connection_loss_work); | |
1917 | } | |
1918 | ||
1919 | void ath10k_mac_handle_beacon(struct ath10k *ar, struct sk_buff *skb) | |
1920 | { | |
1921 | ieee80211_iterate_active_interfaces_atomic(ar->hw, | |
1922 | IEEE80211_IFACE_ITER_NORMAL, | |
1923 | ath10k_mac_handle_beacon_iter, | |
1924 | skb); | |
1925 | } | |
1926 | ||
1927 | static void ath10k_mac_handle_beacon_miss_iter(void *data, u8 *mac, | |
1928 | struct ieee80211_vif *vif) | |
1929 | { | |
1930 | u32 *vdev_id = data; | |
1931 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
1932 | struct ath10k *ar = arvif->ar; | |
1933 | struct ieee80211_hw *hw = ar->hw; | |
1934 | ||
1935 | if (arvif->vdev_id != *vdev_id) | |
1936 | return; | |
1937 | ||
1938 | if (!arvif->is_up) | |
1939 | return; | |
1940 | ||
1941 | ieee80211_beacon_loss(vif); | |
1942 | ||
1943 | /* Firmware doesn't report beacon loss events repeatedly. If AP probe | |
1944 | * (done by mac80211) succeeds but beacons do not resume then it | |
1945 | * doesn't make sense to continue operation. Queue connection loss work | |
1946 | * which can be cancelled when beacon is received. | |
1947 | */ | |
1948 | ieee80211_queue_delayed_work(hw, &arvif->connection_loss_work, | |
1949 | ATH10K_CONNECTION_LOSS_HZ); | |
1950 | } | |
1951 | ||
1952 | void ath10k_mac_handle_beacon_miss(struct ath10k *ar, u32 vdev_id) | |
1953 | { | |
1954 | ieee80211_iterate_active_interfaces_atomic(ar->hw, | |
1955 | IEEE80211_IFACE_ITER_NORMAL, | |
1956 | ath10k_mac_handle_beacon_miss_iter, | |
1957 | &vdev_id); | |
1958 | } | |
1959 | ||
1960 | static void ath10k_mac_vif_sta_connection_loss_work(struct work_struct *work) | |
1961 | { | |
1962 | struct ath10k_vif *arvif = container_of(work, struct ath10k_vif, | |
1963 | connection_loss_work.work); | |
1964 | struct ieee80211_vif *vif = arvif->vif; | |
1965 | ||
1966 | if (!arvif->is_up) | |
1967 | return; | |
1968 | ||
1969 | ieee80211_connection_loss(vif); | |
1970 | } | |
1971 | ||
5e3dd157 KV |
1972 | /**********************/ |
1973 | /* Station management */ | |
1974 | /**********************/ | |
1975 | ||
590922a8 MK |
1976 | static u32 ath10k_peer_assoc_h_listen_intval(struct ath10k *ar, |
1977 | struct ieee80211_vif *vif) | |
1978 | { | |
1979 | /* Some firmware revisions have unstable STA powersave when listen | |
1980 | * interval is set too high (e.g. 5). The symptoms are firmware doesn't | |
1981 | * generate NullFunc frames properly even if buffered frames have been | |
1982 | * indicated in Beacon TIM. Firmware would seldom wake up to pull | |
1983 | * buffered frames. Often pinging the device from AP would simply fail. | |
1984 | * | |
1985 | * As a workaround set it to 1. | |
1986 | */ | |
1987 | if (vif->type == NL80211_IFTYPE_STATION) | |
1988 | return 1; | |
1989 | ||
1990 | return ar->hw->conf.listen_interval; | |
1991 | } | |
1992 | ||
5e3dd157 | 1993 | static void ath10k_peer_assoc_h_basic(struct ath10k *ar, |
590922a8 | 1994 | struct ieee80211_vif *vif, |
5e3dd157 | 1995 | struct ieee80211_sta *sta, |
5e3dd157 KV |
1996 | struct wmi_peer_assoc_complete_arg *arg) |
1997 | { | |
590922a8 | 1998 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); |
c51880ea | 1999 | u32 aid; |
590922a8 | 2000 | |
548db54c MK |
2001 | lockdep_assert_held(&ar->conf_mutex); |
2002 | ||
c51880ea MK |
2003 | if (vif->type == NL80211_IFTYPE_STATION) |
2004 | aid = vif->bss_conf.aid; | |
2005 | else | |
2006 | aid = sta->aid; | |
2007 | ||
b25f32cb | 2008 | ether_addr_copy(arg->addr, sta->addr); |
5e3dd157 | 2009 | arg->vdev_id = arvif->vdev_id; |
c51880ea | 2010 | arg->peer_aid = aid; |
3fab30f7 | 2011 | arg->peer_flags |= arvif->ar->wmi.peer_flags->auth; |
590922a8 | 2012 | arg->peer_listen_intval = ath10k_peer_assoc_h_listen_intval(ar, vif); |
5e3dd157 | 2013 | arg->peer_num_spatial_streams = 1; |
590922a8 | 2014 | arg->peer_caps = vif->bss_conf.assoc_capability; |
5e3dd157 KV |
2015 | } |
2016 | ||
2017 | static void ath10k_peer_assoc_h_crypto(struct ath10k *ar, | |
590922a8 | 2018 | struct ieee80211_vif *vif, |
90eceb3b | 2019 | struct ieee80211_sta *sta, |
5e3dd157 KV |
2020 | struct wmi_peer_assoc_complete_arg *arg) |
2021 | { | |
5e3dd157 | 2022 | struct ieee80211_bss_conf *info = &vif->bss_conf; |
500ff9f9 | 2023 | struct cfg80211_chan_def def; |
5e3dd157 KV |
2024 | struct cfg80211_bss *bss; |
2025 | const u8 *rsnie = NULL; | |
2026 | const u8 *wpaie = NULL; | |
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 | ||
2033 | bss = cfg80211_get_bss(ar->hw->wiphy, def.chan, info->bssid, NULL, 0, | |
2034 | IEEE80211_BSS_TYPE_ANY, IEEE80211_PRIVACY_ANY); | |
5e3dd157 KV |
2035 | if (bss) { |
2036 | const struct cfg80211_bss_ies *ies; | |
2037 | ||
2038 | rcu_read_lock(); | |
2039 | rsnie = ieee80211_bss_get_ie(bss, WLAN_EID_RSN); | |
2040 | ||
2041 | ies = rcu_dereference(bss->ies); | |
2042 | ||
2043 | wpaie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT, | |
5b07e07f KV |
2044 | WLAN_OUI_TYPE_MICROSOFT_WPA, |
2045 | ies->data, | |
2046 | ies->len); | |
5e3dd157 KV |
2047 | rcu_read_unlock(); |
2048 | cfg80211_put_bss(ar->hw->wiphy, bss); | |
2049 | } | |
2050 | ||
2051 | /* FIXME: base on RSN IE/WPA IE is a correct idea? */ | |
2052 | if (rsnie || wpaie) { | |
7aa7a72a | 2053 | ath10k_dbg(ar, ATH10K_DBG_WMI, "%s: rsn ie found\n", __func__); |
3fab30f7 | 2054 | arg->peer_flags |= ar->wmi.peer_flags->need_ptk_4_way; |
5e3dd157 KV |
2055 | } |
2056 | ||
2057 | if (wpaie) { | |
7aa7a72a | 2058 | ath10k_dbg(ar, ATH10K_DBG_WMI, "%s: wpa ie found\n", __func__); |
3fab30f7 | 2059 | arg->peer_flags |= ar->wmi.peer_flags->need_gtk_2_way; |
5e3dd157 | 2060 | } |
90eceb3b T |
2061 | |
2062 | if (sta->mfp && | |
c4cdf753 KV |
2063 | test_bit(ATH10K_FW_FEATURE_MFP_SUPPORT, |
2064 | ar->running_fw->fw_file.fw_features)) { | |
90eceb3b | 2065 | arg->peer_flags |= ar->wmi.peer_flags->pmf; |
5e3dd157 KV |
2066 | } |
2067 | } | |
2068 | ||
2069 | static void ath10k_peer_assoc_h_rates(struct ath10k *ar, | |
500ff9f9 | 2070 | struct ieee80211_vif *vif, |
5e3dd157 KV |
2071 | struct ieee80211_sta *sta, |
2072 | struct wmi_peer_assoc_complete_arg *arg) | |
2073 | { | |
45c9abc0 | 2074 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); |
5e3dd157 | 2075 | struct wmi_rate_set_arg *rateset = &arg->peer_legacy_rates; |
500ff9f9 | 2076 | struct cfg80211_chan_def def; |
5e3dd157 KV |
2077 | const struct ieee80211_supported_band *sband; |
2078 | const struct ieee80211_rate *rates; | |
57fbcce3 | 2079 | enum nl80211_band band; |
5e3dd157 | 2080 | u32 ratemask; |
486017cc | 2081 | u8 rate; |
5e3dd157 KV |
2082 | int i; |
2083 | ||
548db54c MK |
2084 | lockdep_assert_held(&ar->conf_mutex); |
2085 | ||
500ff9f9 MK |
2086 | if (WARN_ON(ath10k_mac_vif_chan(vif, &def))) |
2087 | return; | |
2088 | ||
45c9abc0 MK |
2089 | band = def.chan->band; |
2090 | sband = ar->hw->wiphy->bands[band]; | |
2091 | ratemask = sta->supp_rates[band]; | |
2092 | ratemask &= arvif->bitrate_mask.control[band].legacy; | |
5e3dd157 KV |
2093 | rates = sband->bitrates; |
2094 | ||
2095 | rateset->num_rates = 0; | |
2096 | ||
2097 | for (i = 0; i < 32; i++, ratemask >>= 1, rates++) { | |
2098 | if (!(ratemask & 1)) | |
2099 | continue; | |
2100 | ||
486017cc MK |
2101 | rate = ath10k_mac_bitrate_to_rate(rates->bitrate); |
2102 | rateset->rates[rateset->num_rates] = rate; | |
5e3dd157 KV |
2103 | rateset->num_rates++; |
2104 | } | |
2105 | } | |
2106 | ||
45c9abc0 MK |
2107 | static bool |
2108 | ath10k_peer_assoc_h_ht_masked(const u8 ht_mcs_mask[IEEE80211_HT_MCS_MASK_LEN]) | |
2109 | { | |
2110 | int nss; | |
2111 | ||
2112 | for (nss = 0; nss < IEEE80211_HT_MCS_MASK_LEN; nss++) | |
2113 | if (ht_mcs_mask[nss]) | |
2114 | return false; | |
2115 | ||
2116 | return true; | |
2117 | } | |
2118 | ||
2119 | static bool | |
2120 | ath10k_peer_assoc_h_vht_masked(const u16 vht_mcs_mask[NL80211_VHT_NSS_MAX]) | |
2121 | { | |
2122 | int nss; | |
2123 | ||
2124 | for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) | |
2125 | if (vht_mcs_mask[nss]) | |
2126 | return false; | |
2127 | ||
2128 | return true; | |
2129 | } | |
2130 | ||
5e3dd157 | 2131 | static void ath10k_peer_assoc_h_ht(struct ath10k *ar, |
45c9abc0 | 2132 | struct ieee80211_vif *vif, |
5e3dd157 KV |
2133 | struct ieee80211_sta *sta, |
2134 | struct wmi_peer_assoc_complete_arg *arg) | |
2135 | { | |
2136 | const struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap; | |
45c9abc0 MK |
2137 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); |
2138 | struct cfg80211_chan_def def; | |
57fbcce3 | 2139 | enum nl80211_band band; |
45c9abc0 MK |
2140 | const u8 *ht_mcs_mask; |
2141 | const u16 *vht_mcs_mask; | |
72f8cef5 VN |
2142 | int i, n; |
2143 | u8 max_nss; | |
af762c0b | 2144 | u32 stbc; |
5e3dd157 | 2145 | |
548db54c MK |
2146 | lockdep_assert_held(&ar->conf_mutex); |
2147 | ||
45c9abc0 MK |
2148 | if (WARN_ON(ath10k_mac_vif_chan(vif, &def))) |
2149 | return; | |
2150 | ||
5e3dd157 KV |
2151 | if (!ht_cap->ht_supported) |
2152 | return; | |
2153 | ||
45c9abc0 MK |
2154 | band = def.chan->band; |
2155 | ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs; | |
2156 | vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs; | |
2157 | ||
2158 | if (ath10k_peer_assoc_h_ht_masked(ht_mcs_mask) && | |
2159 | ath10k_peer_assoc_h_vht_masked(vht_mcs_mask)) | |
2160 | return; | |
2161 | ||
3fab30f7 | 2162 | arg->peer_flags |= ar->wmi.peer_flags->ht; |
5e3dd157 KV |
2163 | arg->peer_max_mpdu = (1 << (IEEE80211_HT_MAX_AMPDU_FACTOR + |
2164 | ht_cap->ampdu_factor)) - 1; | |
2165 | ||
2166 | arg->peer_mpdu_density = | |
2167 | ath10k_parse_mpdudensity(ht_cap->ampdu_density); | |
2168 | ||
2169 | arg->peer_ht_caps = ht_cap->cap; | |
2170 | arg->peer_rate_caps |= WMI_RC_HT_FLAG; | |
2171 | ||
2172 | if (ht_cap->cap & IEEE80211_HT_CAP_LDPC_CODING) | |
3fab30f7 | 2173 | arg->peer_flags |= ar->wmi.peer_flags->ldbc; |
5e3dd157 KV |
2174 | |
2175 | if (sta->bandwidth >= IEEE80211_STA_RX_BW_40) { | |
3fab30f7 | 2176 | arg->peer_flags |= ar->wmi.peer_flags->bw40; |
5e3dd157 KV |
2177 | arg->peer_rate_caps |= WMI_RC_CW40_FLAG; |
2178 | } | |
2179 | ||
45c9abc0 MK |
2180 | if (arvif->bitrate_mask.control[band].gi != NL80211_TXRATE_FORCE_LGI) { |
2181 | if (ht_cap->cap & IEEE80211_HT_CAP_SGI_20) | |
2182 | arg->peer_rate_caps |= WMI_RC_SGI_FLAG; | |
5e3dd157 | 2183 | |
45c9abc0 MK |
2184 | if (ht_cap->cap & IEEE80211_HT_CAP_SGI_40) |
2185 | arg->peer_rate_caps |= WMI_RC_SGI_FLAG; | |
2186 | } | |
5e3dd157 KV |
2187 | |
2188 | if (ht_cap->cap & IEEE80211_HT_CAP_TX_STBC) { | |
2189 | arg->peer_rate_caps |= WMI_RC_TX_STBC_FLAG; | |
3fab30f7 | 2190 | arg->peer_flags |= ar->wmi.peer_flags->stbc; |
5e3dd157 KV |
2191 | } |
2192 | ||
2193 | if (ht_cap->cap & IEEE80211_HT_CAP_RX_STBC) { | |
5e3dd157 KV |
2194 | stbc = ht_cap->cap & IEEE80211_HT_CAP_RX_STBC; |
2195 | stbc = stbc >> IEEE80211_HT_CAP_RX_STBC_SHIFT; | |
2196 | stbc = stbc << WMI_RC_RX_STBC_FLAG_S; | |
2197 | arg->peer_rate_caps |= stbc; | |
3fab30f7 | 2198 | arg->peer_flags |= ar->wmi.peer_flags->stbc; |
5e3dd157 KV |
2199 | } |
2200 | ||
5e3dd157 KV |
2201 | if (ht_cap->mcs.rx_mask[1] && ht_cap->mcs.rx_mask[2]) |
2202 | arg->peer_rate_caps |= WMI_RC_TS_FLAG; | |
2203 | else if (ht_cap->mcs.rx_mask[1]) | |
2204 | arg->peer_rate_caps |= WMI_RC_DS_FLAG; | |
2205 | ||
45c9abc0 MK |
2206 | for (i = 0, n = 0, max_nss = 0; i < IEEE80211_HT_MCS_MASK_LEN * 8; i++) |
2207 | if ((ht_cap->mcs.rx_mask[i / 8] & BIT(i % 8)) && | |
2208 | (ht_mcs_mask[i / 8] & BIT(i % 8))) { | |
2209 | max_nss = (i / 8) + 1; | |
5e3dd157 | 2210 | arg->peer_ht_rates.rates[n++] = i; |
45c9abc0 | 2211 | } |
5e3dd157 | 2212 | |
fd71f807 BM |
2213 | /* |
2214 | * This is a workaround for HT-enabled STAs which break the spec | |
2215 | * and have no HT capabilities RX mask (no HT RX MCS map). | |
2216 | * | |
2217 | * As per spec, in section 20.3.5 Modulation and coding scheme (MCS), | |
2218 | * MCS 0 through 7 are mandatory in 20MHz with 800 ns GI at all STAs. | |
2219 | * | |
2220 | * Firmware asserts if such situation occurs. | |
2221 | */ | |
2222 | if (n == 0) { | |
2223 | arg->peer_ht_rates.num_rates = 8; | |
2224 | for (i = 0; i < arg->peer_ht_rates.num_rates; i++) | |
2225 | arg->peer_ht_rates.rates[i] = i; | |
2226 | } else { | |
2227 | arg->peer_ht_rates.num_rates = n; | |
72f8cef5 | 2228 | arg->peer_num_spatial_streams = min(sta->rx_nss, max_nss); |
fd71f807 | 2229 | } |
5e3dd157 | 2230 | |
7aa7a72a | 2231 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac ht peer %pM mcs cnt %d nss %d\n", |
60c3daa8 | 2232 | arg->addr, |
5e3dd157 KV |
2233 | arg->peer_ht_rates.num_rates, |
2234 | arg->peer_num_spatial_streams); | |
2235 | } | |
2236 | ||
d3d3ff42 JD |
2237 | static int ath10k_peer_assoc_qos_ap(struct ath10k *ar, |
2238 | struct ath10k_vif *arvif, | |
2239 | struct ieee80211_sta *sta) | |
5e3dd157 KV |
2240 | { |
2241 | u32 uapsd = 0; | |
2242 | u32 max_sp = 0; | |
d3d3ff42 | 2243 | int ret = 0; |
5e3dd157 | 2244 | |
548db54c MK |
2245 | lockdep_assert_held(&ar->conf_mutex); |
2246 | ||
5e3dd157 | 2247 | if (sta->wme && sta->uapsd_queues) { |
7aa7a72a | 2248 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac uapsd_queues 0x%x max_sp %d\n", |
5e3dd157 KV |
2249 | sta->uapsd_queues, sta->max_sp); |
2250 | ||
5e3dd157 KV |
2251 | if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VO) |
2252 | uapsd |= WMI_AP_PS_UAPSD_AC3_DELIVERY_EN | | |
2253 | WMI_AP_PS_UAPSD_AC3_TRIGGER_EN; | |
2254 | if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VI) | |
2255 | uapsd |= WMI_AP_PS_UAPSD_AC2_DELIVERY_EN | | |
2256 | WMI_AP_PS_UAPSD_AC2_TRIGGER_EN; | |
2257 | if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BK) | |
2258 | uapsd |= WMI_AP_PS_UAPSD_AC1_DELIVERY_EN | | |
2259 | WMI_AP_PS_UAPSD_AC1_TRIGGER_EN; | |
2260 | if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BE) | |
2261 | uapsd |= WMI_AP_PS_UAPSD_AC0_DELIVERY_EN | | |
2262 | WMI_AP_PS_UAPSD_AC0_TRIGGER_EN; | |
2263 | ||
5e3dd157 KV |
2264 | if (sta->max_sp < MAX_WMI_AP_PS_PEER_PARAM_MAX_SP) |
2265 | max_sp = sta->max_sp; | |
2266 | ||
d3d3ff42 JD |
2267 | ret = ath10k_wmi_set_ap_ps_param(ar, arvif->vdev_id, |
2268 | sta->addr, | |
2269 | WMI_AP_PS_PEER_PARAM_UAPSD, | |
2270 | uapsd); | |
2271 | if (ret) { | |
7aa7a72a | 2272 | ath10k_warn(ar, "failed to set ap ps peer param uapsd for vdev %i: %d\n", |
69244e56 | 2273 | arvif->vdev_id, ret); |
d3d3ff42 JD |
2274 | return ret; |
2275 | } | |
5e3dd157 | 2276 | |
d3d3ff42 JD |
2277 | ret = ath10k_wmi_set_ap_ps_param(ar, arvif->vdev_id, |
2278 | sta->addr, | |
2279 | WMI_AP_PS_PEER_PARAM_MAX_SP, | |
2280 | max_sp); | |
2281 | if (ret) { | |
7aa7a72a | 2282 | ath10k_warn(ar, "failed to set ap ps peer param max sp for vdev %i: %d\n", |
69244e56 | 2283 | arvif->vdev_id, ret); |
d3d3ff42 JD |
2284 | return ret; |
2285 | } | |
5e3dd157 KV |
2286 | |
2287 | /* TODO setup this based on STA listen interval and | |
2288 | beacon interval. Currently we don't know | |
2289 | sta->listen_interval - mac80211 patch required. | |
2290 | Currently use 10 seconds */ | |
d3d3ff42 | 2291 | ret = ath10k_wmi_set_ap_ps_param(ar, arvif->vdev_id, sta->addr, |
5b07e07f KV |
2292 | WMI_AP_PS_PEER_PARAM_AGEOUT_TIME, |
2293 | 10); | |
d3d3ff42 | 2294 | if (ret) { |
7aa7a72a | 2295 | ath10k_warn(ar, "failed to set ap ps peer param ageout time for vdev %i: %d\n", |
69244e56 | 2296 | arvif->vdev_id, ret); |
d3d3ff42 JD |
2297 | return ret; |
2298 | } | |
5e3dd157 | 2299 | } |
5e3dd157 | 2300 | |
d3d3ff42 | 2301 | return 0; |
5e3dd157 KV |
2302 | } |
2303 | ||
45c9abc0 MK |
2304 | static u16 |
2305 | ath10k_peer_assoc_h_vht_limit(u16 tx_mcs_set, | |
2306 | const u16 vht_mcs_limit[NL80211_VHT_NSS_MAX]) | |
2307 | { | |
2308 | int idx_limit; | |
2309 | int nss; | |
2310 | u16 mcs_map; | |
2311 | u16 mcs; | |
2312 | ||
2313 | for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) { | |
2314 | mcs_map = ath10k_mac_get_max_vht_mcs_map(tx_mcs_set, nss) & | |
2315 | vht_mcs_limit[nss]; | |
2316 | ||
2317 | if (mcs_map) | |
2318 | idx_limit = fls(mcs_map) - 1; | |
2319 | else | |
2320 | idx_limit = -1; | |
2321 | ||
2322 | switch (idx_limit) { | |
2323 | case 0: /* fall through */ | |
2324 | case 1: /* fall through */ | |
2325 | case 2: /* fall through */ | |
2326 | case 3: /* fall through */ | |
2327 | case 4: /* fall through */ | |
2328 | case 5: /* fall through */ | |
2329 | case 6: /* fall through */ | |
2330 | default: | |
2331 | /* see ath10k_mac_can_set_bitrate_mask() */ | |
2332 | WARN_ON(1); | |
2333 | /* fall through */ | |
2334 | case -1: | |
2335 | mcs = IEEE80211_VHT_MCS_NOT_SUPPORTED; | |
2336 | break; | |
2337 | case 7: | |
2338 | mcs = IEEE80211_VHT_MCS_SUPPORT_0_7; | |
2339 | break; | |
2340 | case 8: | |
2341 | mcs = IEEE80211_VHT_MCS_SUPPORT_0_8; | |
2342 | break; | |
2343 | case 9: | |
2344 | mcs = IEEE80211_VHT_MCS_SUPPORT_0_9; | |
2345 | break; | |
2346 | } | |
2347 | ||
2348 | tx_mcs_set &= ~(0x3 << (nss * 2)); | |
2349 | tx_mcs_set |= mcs << (nss * 2); | |
2350 | } | |
2351 | ||
2352 | return tx_mcs_set; | |
2353 | } | |
2354 | ||
5e3dd157 | 2355 | static void ath10k_peer_assoc_h_vht(struct ath10k *ar, |
500ff9f9 | 2356 | struct ieee80211_vif *vif, |
5e3dd157 KV |
2357 | struct ieee80211_sta *sta, |
2358 | struct wmi_peer_assoc_complete_arg *arg) | |
2359 | { | |
2360 | const struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap; | |
45c9abc0 | 2361 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); |
500ff9f9 | 2362 | struct cfg80211_chan_def def; |
57fbcce3 | 2363 | enum nl80211_band band; |
45c9abc0 | 2364 | const u16 *vht_mcs_mask; |
a24b88b5 | 2365 | u8 ampdu_factor; |
5e3dd157 | 2366 | |
500ff9f9 MK |
2367 | if (WARN_ON(ath10k_mac_vif_chan(vif, &def))) |
2368 | return; | |
2369 | ||
5e3dd157 KV |
2370 | if (!vht_cap->vht_supported) |
2371 | return; | |
2372 | ||
45c9abc0 MK |
2373 | band = def.chan->band; |
2374 | vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs; | |
2375 | ||
2376 | if (ath10k_peer_assoc_h_vht_masked(vht_mcs_mask)) | |
2377 | return; | |
2378 | ||
3fab30f7 | 2379 | arg->peer_flags |= ar->wmi.peer_flags->vht; |
d68bb12a | 2380 | |
57fbcce3 | 2381 | if (def.chan->band == NL80211_BAND_2GHZ) |
3fab30f7 | 2382 | arg->peer_flags |= ar->wmi.peer_flags->vht_2g; |
d68bb12a | 2383 | |
5e3dd157 KV |
2384 | arg->peer_vht_caps = vht_cap->cap; |
2385 | ||
a24b88b5 SM |
2386 | ampdu_factor = (vht_cap->cap & |
2387 | IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK) >> | |
2388 | IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT; | |
2389 | ||
2390 | /* Workaround: Some Netgear/Linksys 11ac APs set Rx A-MPDU factor to | |
2391 | * zero in VHT IE. Using it would result in degraded throughput. | |
2392 | * arg->peer_max_mpdu at this point contains HT max_mpdu so keep | |
2393 | * it if VHT max_mpdu is smaller. */ | |
2394 | arg->peer_max_mpdu = max(arg->peer_max_mpdu, | |
2395 | (1U << (IEEE80211_HT_MAX_AMPDU_FACTOR + | |
2396 | ampdu_factor)) - 1); | |
2397 | ||
5e3dd157 | 2398 | if (sta->bandwidth == IEEE80211_STA_RX_BW_80) |
3fab30f7 | 2399 | arg->peer_flags |= ar->wmi.peer_flags->bw80; |
5e3dd157 KV |
2400 | |
2401 | arg->peer_vht_rates.rx_max_rate = | |
2402 | __le16_to_cpu(vht_cap->vht_mcs.rx_highest); | |
2403 | arg->peer_vht_rates.rx_mcs_set = | |
2404 | __le16_to_cpu(vht_cap->vht_mcs.rx_mcs_map); | |
2405 | arg->peer_vht_rates.tx_max_rate = | |
2406 | __le16_to_cpu(vht_cap->vht_mcs.tx_highest); | |
45c9abc0 MK |
2407 | arg->peer_vht_rates.tx_mcs_set = ath10k_peer_assoc_h_vht_limit( |
2408 | __le16_to_cpu(vht_cap->vht_mcs.tx_mcs_map), vht_mcs_mask); | |
5e3dd157 | 2409 | |
7aa7a72a | 2410 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vht peer %pM max_mpdu %d flags 0x%x\n", |
60c3daa8 | 2411 | sta->addr, arg->peer_max_mpdu, arg->peer_flags); |
5e3dd157 KV |
2412 | } |
2413 | ||
2414 | static void ath10k_peer_assoc_h_qos(struct ath10k *ar, | |
590922a8 | 2415 | struct ieee80211_vif *vif, |
5e3dd157 | 2416 | struct ieee80211_sta *sta, |
5e3dd157 KV |
2417 | struct wmi_peer_assoc_complete_arg *arg) |
2418 | { | |
590922a8 MK |
2419 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); |
2420 | ||
5e3dd157 KV |
2421 | switch (arvif->vdev_type) { |
2422 | case WMI_VDEV_TYPE_AP: | |
d3d3ff42 | 2423 | if (sta->wme) |
3fab30f7 | 2424 | arg->peer_flags |= arvif->ar->wmi.peer_flags->qos; |
d3d3ff42 JD |
2425 | |
2426 | if (sta->wme && sta->uapsd_queues) { | |
3fab30f7 | 2427 | arg->peer_flags |= arvif->ar->wmi.peer_flags->apsd; |
d3d3ff42 JD |
2428 | arg->peer_rate_caps |= WMI_RC_UAPSD_FLAG; |
2429 | } | |
5e3dd157 KV |
2430 | break; |
2431 | case WMI_VDEV_TYPE_STA: | |
590922a8 | 2432 | if (vif->bss_conf.qos) |
3fab30f7 | 2433 | arg->peer_flags |= arvif->ar->wmi.peer_flags->qos; |
5e3dd157 | 2434 | break; |
627d9841 JD |
2435 | case WMI_VDEV_TYPE_IBSS: |
2436 | if (sta->wme) | |
3fab30f7 | 2437 | arg->peer_flags |= arvif->ar->wmi.peer_flags->qos; |
627d9841 | 2438 | break; |
5e3dd157 KV |
2439 | default: |
2440 | break; | |
2441 | } | |
627d9841 JD |
2442 | |
2443 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac peer %pM qos %d\n", | |
3fab30f7 T |
2444 | sta->addr, !!(arg->peer_flags & |
2445 | arvif->ar->wmi.peer_flags->qos)); | |
5e3dd157 KV |
2446 | } |
2447 | ||
8d7aa6bc | 2448 | static bool ath10k_mac_sta_has_ofdm_only(struct ieee80211_sta *sta) |
91b12089 | 2449 | { |
57fbcce3 | 2450 | return sta->supp_rates[NL80211_BAND_2GHZ] >> |
8d7aa6bc | 2451 | ATH10K_MAC_FIRST_OFDM_RATE_IDX; |
91b12089 MK |
2452 | } |
2453 | ||
5e3dd157 | 2454 | static void ath10k_peer_assoc_h_phymode(struct ath10k *ar, |
590922a8 | 2455 | struct ieee80211_vif *vif, |
5e3dd157 KV |
2456 | struct ieee80211_sta *sta, |
2457 | struct wmi_peer_assoc_complete_arg *arg) | |
2458 | { | |
45c9abc0 | 2459 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); |
500ff9f9 | 2460 | struct cfg80211_chan_def def; |
57fbcce3 | 2461 | enum nl80211_band band; |
45c9abc0 MK |
2462 | const u8 *ht_mcs_mask; |
2463 | const u16 *vht_mcs_mask; | |
5e3dd157 KV |
2464 | enum wmi_phy_mode phymode = MODE_UNKNOWN; |
2465 | ||
500ff9f9 MK |
2466 | if (WARN_ON(ath10k_mac_vif_chan(vif, &def))) |
2467 | return; | |
2468 | ||
45c9abc0 MK |
2469 | band = def.chan->band; |
2470 | ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs; | |
2471 | vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs; | |
2472 | ||
2473 | switch (band) { | |
57fbcce3 | 2474 | case NL80211_BAND_2GHZ: |
45c9abc0 MK |
2475 | if (sta->vht_cap.vht_supported && |
2476 | !ath10k_peer_assoc_h_vht_masked(vht_mcs_mask)) { | |
d68bb12a YL |
2477 | if (sta->bandwidth == IEEE80211_STA_RX_BW_40) |
2478 | phymode = MODE_11AC_VHT40; | |
2479 | else | |
2480 | phymode = MODE_11AC_VHT20; | |
45c9abc0 MK |
2481 | } else if (sta->ht_cap.ht_supported && |
2482 | !ath10k_peer_assoc_h_ht_masked(ht_mcs_mask)) { | |
5e3dd157 KV |
2483 | if (sta->bandwidth == IEEE80211_STA_RX_BW_40) |
2484 | phymode = MODE_11NG_HT40; | |
2485 | else | |
2486 | phymode = MODE_11NG_HT20; | |
8d7aa6bc | 2487 | } else if (ath10k_mac_sta_has_ofdm_only(sta)) { |
5e3dd157 | 2488 | phymode = MODE_11G; |
91b12089 MK |
2489 | } else { |
2490 | phymode = MODE_11B; | |
5e3dd157 KV |
2491 | } |
2492 | ||
2493 | break; | |
57fbcce3 | 2494 | case NL80211_BAND_5GHZ: |
7cc45e98 SM |
2495 | /* |
2496 | * Check VHT first. | |
2497 | */ | |
45c9abc0 MK |
2498 | if (sta->vht_cap.vht_supported && |
2499 | !ath10k_peer_assoc_h_vht_masked(vht_mcs_mask)) { | |
7cc45e98 SM |
2500 | if (sta->bandwidth == IEEE80211_STA_RX_BW_80) |
2501 | phymode = MODE_11AC_VHT80; | |
2502 | else if (sta->bandwidth == IEEE80211_STA_RX_BW_40) | |
2503 | phymode = MODE_11AC_VHT40; | |
2504 | else if (sta->bandwidth == IEEE80211_STA_RX_BW_20) | |
2505 | phymode = MODE_11AC_VHT20; | |
45c9abc0 MK |
2506 | } else if (sta->ht_cap.ht_supported && |
2507 | !ath10k_peer_assoc_h_ht_masked(ht_mcs_mask)) { | |
2508 | if (sta->bandwidth >= IEEE80211_STA_RX_BW_40) | |
5e3dd157 KV |
2509 | phymode = MODE_11NA_HT40; |
2510 | else | |
2511 | phymode = MODE_11NA_HT20; | |
2512 | } else { | |
2513 | phymode = MODE_11A; | |
2514 | } | |
2515 | ||
2516 | break; | |
2517 | default: | |
2518 | break; | |
2519 | } | |
2520 | ||
7aa7a72a | 2521 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac peer %pM phymode %s\n", |
38a1d47e | 2522 | sta->addr, ath10k_wmi_phymode_str(phymode)); |
60c3daa8 | 2523 | |
5e3dd157 KV |
2524 | arg->peer_phymode = phymode; |
2525 | WARN_ON(phymode == MODE_UNKNOWN); | |
2526 | } | |
2527 | ||
b9ada65d | 2528 | static int ath10k_peer_assoc_prepare(struct ath10k *ar, |
590922a8 | 2529 | struct ieee80211_vif *vif, |
b9ada65d | 2530 | struct ieee80211_sta *sta, |
b9ada65d | 2531 | struct wmi_peer_assoc_complete_arg *arg) |
5e3dd157 | 2532 | { |
548db54c MK |
2533 | lockdep_assert_held(&ar->conf_mutex); |
2534 | ||
b9ada65d | 2535 | memset(arg, 0, sizeof(*arg)); |
5e3dd157 | 2536 | |
590922a8 | 2537 | ath10k_peer_assoc_h_basic(ar, vif, sta, arg); |
90eceb3b | 2538 | ath10k_peer_assoc_h_crypto(ar, vif, sta, arg); |
500ff9f9 | 2539 | ath10k_peer_assoc_h_rates(ar, vif, sta, arg); |
45c9abc0 | 2540 | ath10k_peer_assoc_h_ht(ar, vif, sta, arg); |
500ff9f9 | 2541 | ath10k_peer_assoc_h_vht(ar, vif, sta, arg); |
590922a8 MK |
2542 | ath10k_peer_assoc_h_qos(ar, vif, sta, arg); |
2543 | ath10k_peer_assoc_h_phymode(ar, vif, sta, arg); | |
5e3dd157 | 2544 | |
b9ada65d | 2545 | return 0; |
5e3dd157 KV |
2546 | } |
2547 | ||
90046f50 MK |
2548 | static const u32 ath10k_smps_map[] = { |
2549 | [WLAN_HT_CAP_SM_PS_STATIC] = WMI_PEER_SMPS_STATIC, | |
2550 | [WLAN_HT_CAP_SM_PS_DYNAMIC] = WMI_PEER_SMPS_DYNAMIC, | |
2551 | [WLAN_HT_CAP_SM_PS_INVALID] = WMI_PEER_SMPS_PS_NONE, | |
2552 | [WLAN_HT_CAP_SM_PS_DISABLED] = WMI_PEER_SMPS_PS_NONE, | |
2553 | }; | |
2554 | ||
2555 | static int ath10k_setup_peer_smps(struct ath10k *ar, struct ath10k_vif *arvif, | |
2556 | const u8 *addr, | |
2557 | const struct ieee80211_sta_ht_cap *ht_cap) | |
2558 | { | |
2559 | int smps; | |
2560 | ||
2561 | if (!ht_cap->ht_supported) | |
2562 | return 0; | |
2563 | ||
2564 | smps = ht_cap->cap & IEEE80211_HT_CAP_SM_PS; | |
2565 | smps >>= IEEE80211_HT_CAP_SM_PS_SHIFT; | |
2566 | ||
2567 | if (smps >= ARRAY_SIZE(ath10k_smps_map)) | |
2568 | return -EINVAL; | |
2569 | ||
2570 | return ath10k_wmi_peer_set_param(ar, arvif->vdev_id, addr, | |
2571 | WMI_PEER_SMPS_STATE, | |
2572 | ath10k_smps_map[smps]); | |
2573 | } | |
2574 | ||
139e170d MK |
2575 | static int ath10k_mac_vif_recalc_txbf(struct ath10k *ar, |
2576 | struct ieee80211_vif *vif, | |
2577 | struct ieee80211_sta_vht_cap vht_cap) | |
2578 | { | |
2579 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
2580 | int ret; | |
2581 | u32 param; | |
2582 | u32 value; | |
2583 | ||
08e75ea8 VN |
2584 | if (ath10k_wmi_get_txbf_conf_scheme(ar) != WMI_TXBF_CONF_AFTER_ASSOC) |
2585 | return 0; | |
2586 | ||
139e170d MK |
2587 | if (!(ar->vht_cap_info & |
2588 | (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE | | |
2589 | IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE | | |
2590 | IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE | | |
2591 | IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE))) | |
2592 | return 0; | |
2593 | ||
2594 | param = ar->wmi.vdev_param->txbf; | |
2595 | value = 0; | |
2596 | ||
2597 | if (WARN_ON(param == WMI_VDEV_PARAM_UNSUPPORTED)) | |
2598 | return 0; | |
2599 | ||
2600 | /* The following logic is correct. If a remote STA advertises support | |
2601 | * for being a beamformer then we should enable us being a beamformee. | |
2602 | */ | |
2603 | ||
2604 | if (ar->vht_cap_info & | |
2605 | (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE | | |
2606 | IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)) { | |
2607 | if (vht_cap.cap & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE) | |
2608 | value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFEE; | |
2609 | ||
2610 | if (vht_cap.cap & IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE) | |
2611 | value |= WMI_VDEV_PARAM_TXBF_MU_TX_BFEE; | |
2612 | } | |
2613 | ||
2614 | if (ar->vht_cap_info & | |
2615 | (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE | | |
2616 | IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)) { | |
2617 | if (vht_cap.cap & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE) | |
2618 | value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFER; | |
2619 | ||
2620 | if (vht_cap.cap & IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE) | |
2621 | value |= WMI_VDEV_PARAM_TXBF_MU_TX_BFER; | |
2622 | } | |
2623 | ||
2624 | if (value & WMI_VDEV_PARAM_TXBF_MU_TX_BFEE) | |
2625 | value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFEE; | |
2626 | ||
2627 | if (value & WMI_VDEV_PARAM_TXBF_MU_TX_BFER) | |
2628 | value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFER; | |
2629 | ||
2630 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param, value); | |
2631 | if (ret) { | |
2632 | ath10k_warn(ar, "failed to submit vdev param txbf 0x%x: %d\n", | |
2633 | value, ret); | |
2634 | return ret; | |
2635 | } | |
2636 | ||
2637 | return 0; | |
2638 | } | |
2639 | ||
5e3dd157 KV |
2640 | /* can be called only in mac80211 callbacks due to `key_count` usage */ |
2641 | static void ath10k_bss_assoc(struct ieee80211_hw *hw, | |
2642 | struct ieee80211_vif *vif, | |
2643 | struct ieee80211_bss_conf *bss_conf) | |
2644 | { | |
2645 | struct ath10k *ar = hw->priv; | |
2646 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
90046f50 | 2647 | struct ieee80211_sta_ht_cap ht_cap; |
139e170d | 2648 | struct ieee80211_sta_vht_cap vht_cap; |
b9ada65d | 2649 | struct wmi_peer_assoc_complete_arg peer_arg; |
5e3dd157 KV |
2650 | struct ieee80211_sta *ap_sta; |
2651 | int ret; | |
2652 | ||
548db54c MK |
2653 | lockdep_assert_held(&ar->conf_mutex); |
2654 | ||
077efc8c MK |
2655 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %i assoc bssid %pM aid %d\n", |
2656 | arvif->vdev_id, arvif->bssid, arvif->aid); | |
2657 | ||
5e3dd157 KV |
2658 | rcu_read_lock(); |
2659 | ||
2660 | ap_sta = ieee80211_find_sta(vif, bss_conf->bssid); | |
2661 | if (!ap_sta) { | |
7aa7a72a | 2662 | ath10k_warn(ar, "failed to find station entry for bss %pM vdev %i\n", |
69244e56 | 2663 | bss_conf->bssid, arvif->vdev_id); |
5e3dd157 KV |
2664 | rcu_read_unlock(); |
2665 | return; | |
2666 | } | |
2667 | ||
90046f50 MK |
2668 | /* ap_sta must be accessed only within rcu section which must be left |
2669 | * before calling ath10k_setup_peer_smps() which might sleep. */ | |
2670 | ht_cap = ap_sta->ht_cap; | |
139e170d | 2671 | vht_cap = ap_sta->vht_cap; |
90046f50 | 2672 | |
590922a8 | 2673 | ret = ath10k_peer_assoc_prepare(ar, vif, ap_sta, &peer_arg); |
5e3dd157 | 2674 | if (ret) { |
7aa7a72a | 2675 | ath10k_warn(ar, "failed to prepare peer assoc for %pM vdev %i: %d\n", |
69244e56 | 2676 | bss_conf->bssid, arvif->vdev_id, ret); |
5e3dd157 KV |
2677 | rcu_read_unlock(); |
2678 | return; | |
2679 | } | |
2680 | ||
2681 | rcu_read_unlock(); | |
2682 | ||
b9ada65d KV |
2683 | ret = ath10k_wmi_peer_assoc(ar, &peer_arg); |
2684 | if (ret) { | |
7aa7a72a | 2685 | ath10k_warn(ar, "failed to run peer assoc for %pM vdev %i: %d\n", |
69244e56 | 2686 | bss_conf->bssid, arvif->vdev_id, ret); |
b9ada65d KV |
2687 | return; |
2688 | } | |
2689 | ||
90046f50 MK |
2690 | ret = ath10k_setup_peer_smps(ar, arvif, bss_conf->bssid, &ht_cap); |
2691 | if (ret) { | |
7aa7a72a | 2692 | ath10k_warn(ar, "failed to setup peer SMPS for vdev %i: %d\n", |
69244e56 | 2693 | arvif->vdev_id, ret); |
90046f50 MK |
2694 | return; |
2695 | } | |
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 on bss %pM: %d\n", | |
2700 | arvif->vdev_id, bss_conf->bssid, ret); | |
2701 | return; | |
2702 | } | |
2703 | ||
7aa7a72a | 2704 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
60c3daa8 KV |
2705 | "mac vdev %d up (associated) bssid %pM aid %d\n", |
2706 | arvif->vdev_id, bss_conf->bssid, bss_conf->aid); | |
2707 | ||
077efc8c MK |
2708 | WARN_ON(arvif->is_up); |
2709 | ||
c930f744 | 2710 | arvif->aid = bss_conf->aid; |
b25f32cb | 2711 | ether_addr_copy(arvif->bssid, bss_conf->bssid); |
c930f744 MK |
2712 | |
2713 | ret = ath10k_wmi_vdev_up(ar, arvif->vdev_id, arvif->aid, arvif->bssid); | |
2714 | if (ret) { | |
7aa7a72a | 2715 | ath10k_warn(ar, "failed to set vdev %d up: %d\n", |
5e3dd157 | 2716 | arvif->vdev_id, ret); |
c930f744 MK |
2717 | return; |
2718 | } | |
2719 | ||
2720 | arvif->is_up = true; | |
0a987fb0 MK |
2721 | |
2722 | /* Workaround: Some firmware revisions (tested with qca6174 | |
2723 | * WLAN.RM.2.0-00073) have buggy powersave state machine and must be | |
2724 | * poked with peer param command. | |
2725 | */ | |
2726 | ret = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, arvif->bssid, | |
2727 | WMI_PEER_DUMMY_VAR, 1); | |
2728 | if (ret) { | |
2729 | ath10k_warn(ar, "failed to poke peer %pM param for ps workaround on vdev %i: %d\n", | |
2730 | arvif->bssid, arvif->vdev_id, ret); | |
2731 | return; | |
2732 | } | |
5e3dd157 KV |
2733 | } |
2734 | ||
5e3dd157 KV |
2735 | static void ath10k_bss_disassoc(struct ieee80211_hw *hw, |
2736 | struct ieee80211_vif *vif) | |
2737 | { | |
2738 | struct ath10k *ar = hw->priv; | |
2739 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
139e170d | 2740 | struct ieee80211_sta_vht_cap vht_cap = {}; |
5e3dd157 KV |
2741 | int ret; |
2742 | ||
548db54c MK |
2743 | lockdep_assert_held(&ar->conf_mutex); |
2744 | ||
077efc8c MK |
2745 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %i disassoc bssid %pM\n", |
2746 | arvif->vdev_id, arvif->bssid); | |
60c3daa8 | 2747 | |
5e3dd157 | 2748 | ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id); |
077efc8c MK |
2749 | if (ret) |
2750 | ath10k_warn(ar, "faield to down vdev %i: %d\n", | |
2751 | arvif->vdev_id, ret); | |
5e3dd157 | 2752 | |
627613f8 SJ |
2753 | arvif->def_wep_key_idx = -1; |
2754 | ||
139e170d MK |
2755 | ret = ath10k_mac_vif_recalc_txbf(ar, vif, vht_cap); |
2756 | if (ret) { | |
2757 | ath10k_warn(ar, "failed to recalc txbf for vdev %i: %d\n", | |
2758 | arvif->vdev_id, ret); | |
2759 | return; | |
2760 | } | |
2761 | ||
c930f744 | 2762 | arvif->is_up = false; |
cc9904e6 MK |
2763 | |
2764 | cancel_delayed_work_sync(&arvif->connection_loss_work); | |
5e3dd157 KV |
2765 | } |
2766 | ||
590922a8 MK |
2767 | static int ath10k_station_assoc(struct ath10k *ar, |
2768 | struct ieee80211_vif *vif, | |
2769 | struct ieee80211_sta *sta, | |
2770 | bool reassoc) | |
5e3dd157 | 2771 | { |
590922a8 | 2772 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); |
b9ada65d | 2773 | struct wmi_peer_assoc_complete_arg peer_arg; |
5e3dd157 KV |
2774 | int ret = 0; |
2775 | ||
548db54c MK |
2776 | lockdep_assert_held(&ar->conf_mutex); |
2777 | ||
590922a8 | 2778 | ret = ath10k_peer_assoc_prepare(ar, vif, sta, &peer_arg); |
b9ada65d | 2779 | if (ret) { |
7aa7a72a | 2780 | ath10k_warn(ar, "failed to prepare WMI peer assoc for %pM vdev %i: %i\n", |
69244e56 | 2781 | sta->addr, arvif->vdev_id, ret); |
b9ada65d KV |
2782 | return ret; |
2783 | } | |
2784 | ||
2785 | ret = ath10k_wmi_peer_assoc(ar, &peer_arg); | |
5e3dd157 | 2786 | if (ret) { |
7aa7a72a | 2787 | ath10k_warn(ar, "failed to run peer assoc for STA %pM vdev %i: %d\n", |
69244e56 | 2788 | sta->addr, arvif->vdev_id, ret); |
5e3dd157 KV |
2789 | return ret; |
2790 | } | |
2791 | ||
b1ecde36 MK |
2792 | /* Re-assoc is run only to update supported rates for given station. It |
2793 | * doesn't make much sense to reconfigure the peer completely. | |
2794 | */ | |
2795 | if (!reassoc) { | |
2796 | ret = ath10k_setup_peer_smps(ar, arvif, sta->addr, | |
2797 | &sta->ht_cap); | |
e81bd104 | 2798 | if (ret) { |
b1ecde36 | 2799 | ath10k_warn(ar, "failed to setup peer SMPS for vdev %d: %d\n", |
e81bd104 MK |
2800 | arvif->vdev_id, ret); |
2801 | return ret; | |
2802 | } | |
e81bd104 | 2803 | |
b1ecde36 MK |
2804 | ret = ath10k_peer_assoc_qos_ap(ar, arvif, sta); |
2805 | if (ret) { | |
2806 | ath10k_warn(ar, "failed to set qos params for STA %pM for vdev %i: %d\n", | |
2807 | sta->addr, arvif->vdev_id, ret); | |
2808 | return ret; | |
2809 | } | |
5e3dd157 | 2810 | |
b1ecde36 MK |
2811 | if (!sta->wme) { |
2812 | arvif->num_legacy_stations++; | |
2813 | ret = ath10k_recalc_rtscts_prot(arvif); | |
2814 | if (ret) { | |
2815 | ath10k_warn(ar, "failed to recalculate rts/cts prot for vdev %d: %d\n", | |
2816 | arvif->vdev_id, ret); | |
2817 | return ret; | |
2818 | } | |
2819 | } | |
2820 | ||
627613f8 SJ |
2821 | /* Plumb cached keys only for static WEP */ |
2822 | if (arvif->def_wep_key_idx != -1) { | |
2823 | ret = ath10k_install_peer_wep_keys(arvif, sta->addr); | |
2824 | if (ret) { | |
2825 | ath10k_warn(ar, "failed to install peer wep keys for vdev %i: %d\n", | |
2826 | arvif->vdev_id, ret); | |
2827 | return ret; | |
2828 | } | |
b1ecde36 | 2829 | } |
d3d3ff42 JD |
2830 | } |
2831 | ||
5e3dd157 KV |
2832 | return ret; |
2833 | } | |
2834 | ||
590922a8 MK |
2835 | static int ath10k_station_disassoc(struct ath10k *ar, |
2836 | struct ieee80211_vif *vif, | |
5e3dd157 KV |
2837 | struct ieee80211_sta *sta) |
2838 | { | |
590922a8 | 2839 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); |
5e3dd157 KV |
2840 | int ret = 0; |
2841 | ||
548db54c MK |
2842 | lockdep_assert_held(&ar->conf_mutex); |
2843 | ||
e81bd104 MK |
2844 | if (!sta->wme) { |
2845 | arvif->num_legacy_stations--; | |
2846 | ret = ath10k_recalc_rtscts_prot(arvif); | |
2847 | if (ret) { | |
7aa7a72a | 2848 | ath10k_warn(ar, "failed to recalculate rts/cts prot for vdev %d: %d\n", |
e81bd104 MK |
2849 | arvif->vdev_id, ret); |
2850 | return ret; | |
2851 | } | |
2852 | } | |
2853 | ||
5e3dd157 KV |
2854 | ret = ath10k_clear_peer_keys(arvif, sta->addr); |
2855 | if (ret) { | |
7aa7a72a | 2856 | ath10k_warn(ar, "failed to clear all peer wep keys for vdev %i: %d\n", |
69244e56 | 2857 | arvif->vdev_id, ret); |
5e3dd157 KV |
2858 | return ret; |
2859 | } | |
2860 | ||
2861 | return ret; | |
2862 | } | |
2863 | ||
2864 | /**************/ | |
2865 | /* Regulatory */ | |
2866 | /**************/ | |
2867 | ||
2868 | static int ath10k_update_channel_list(struct ath10k *ar) | |
2869 | { | |
2870 | struct ieee80211_hw *hw = ar->hw; | |
2871 | struct ieee80211_supported_band **bands; | |
57fbcce3 | 2872 | enum nl80211_band band; |
5e3dd157 KV |
2873 | struct ieee80211_channel *channel; |
2874 | struct wmi_scan_chan_list_arg arg = {0}; | |
2875 | struct wmi_channel_arg *ch; | |
2876 | bool passive; | |
2877 | int len; | |
2878 | int ret; | |
2879 | int i; | |
2880 | ||
548db54c MK |
2881 | lockdep_assert_held(&ar->conf_mutex); |
2882 | ||
5e3dd157 | 2883 | bands = hw->wiphy->bands; |
57fbcce3 | 2884 | for (band = 0; band < NUM_NL80211_BANDS; band++) { |
5e3dd157 KV |
2885 | if (!bands[band]) |
2886 | continue; | |
2887 | ||
2888 | for (i = 0; i < bands[band]->n_channels; i++) { | |
2889 | if (bands[band]->channels[i].flags & | |
2890 | IEEE80211_CHAN_DISABLED) | |
2891 | continue; | |
2892 | ||
2893 | arg.n_channels++; | |
2894 | } | |
2895 | } | |
2896 | ||
2897 | len = sizeof(struct wmi_channel_arg) * arg.n_channels; | |
2898 | arg.channels = kzalloc(len, GFP_KERNEL); | |
2899 | if (!arg.channels) | |
2900 | return -ENOMEM; | |
2901 | ||
2902 | ch = arg.channels; | |
57fbcce3 | 2903 | for (band = 0; band < NUM_NL80211_BANDS; band++) { |
5e3dd157 KV |
2904 | if (!bands[band]) |
2905 | continue; | |
2906 | ||
2907 | for (i = 0; i < bands[band]->n_channels; i++) { | |
2908 | channel = &bands[band]->channels[i]; | |
2909 | ||
2910 | if (channel->flags & IEEE80211_CHAN_DISABLED) | |
2911 | continue; | |
2912 | ||
2913 | ch->allow_ht = true; | |
2914 | ||
2915 | /* FIXME: when should we really allow VHT? */ | |
2916 | ch->allow_vht = true; | |
2917 | ||
2918 | ch->allow_ibss = | |
8fe02e16 | 2919 | !(channel->flags & IEEE80211_CHAN_NO_IR); |
5e3dd157 KV |
2920 | |
2921 | ch->ht40plus = | |
2922 | !(channel->flags & IEEE80211_CHAN_NO_HT40PLUS); | |
2923 | ||
e8a50f8b MP |
2924 | ch->chan_radar = |
2925 | !!(channel->flags & IEEE80211_CHAN_RADAR); | |
2926 | ||
8fe02e16 | 2927 | passive = channel->flags & IEEE80211_CHAN_NO_IR; |
5e3dd157 KV |
2928 | ch->passive = passive; |
2929 | ||
2930 | ch->freq = channel->center_freq; | |
2d66721c | 2931 | ch->band_center_freq1 = channel->center_freq; |
89c5c843 | 2932 | ch->min_power = 0; |
02256930 MK |
2933 | ch->max_power = channel->max_power * 2; |
2934 | ch->max_reg_power = channel->max_reg_power * 2; | |
2935 | ch->max_antenna_gain = channel->max_antenna_gain * 2; | |
5e3dd157 KV |
2936 | ch->reg_class_id = 0; /* FIXME */ |
2937 | ||
2938 | /* FIXME: why use only legacy modes, why not any | |
2939 | * HT/VHT modes? Would that even make any | |
2940 | * difference? */ | |
57fbcce3 | 2941 | if (channel->band == NL80211_BAND_2GHZ) |
5e3dd157 KV |
2942 | ch->mode = MODE_11G; |
2943 | else | |
2944 | ch->mode = MODE_11A; | |
2945 | ||
2946 | if (WARN_ON_ONCE(ch->mode == MODE_UNKNOWN)) | |
2947 | continue; | |
2948 | ||
7aa7a72a | 2949 | ath10k_dbg(ar, ATH10K_DBG_WMI, |
60c3daa8 KV |
2950 | "mac channel [%zd/%d] freq %d maxpower %d regpower %d antenna %d mode %d\n", |
2951 | ch - arg.channels, arg.n_channels, | |
5e3dd157 KV |
2952 | ch->freq, ch->max_power, ch->max_reg_power, |
2953 | ch->max_antenna_gain, ch->mode); | |
2954 | ||
2955 | ch++; | |
2956 | } | |
2957 | } | |
2958 | ||
2959 | ret = ath10k_wmi_scan_chan_list(ar, &arg); | |
2960 | kfree(arg.channels); | |
2961 | ||
2962 | return ret; | |
2963 | } | |
2964 | ||
821af6ae MP |
2965 | static enum wmi_dfs_region |
2966 | ath10k_mac_get_dfs_region(enum nl80211_dfs_regions dfs_region) | |
2967 | { | |
2968 | switch (dfs_region) { | |
2969 | case NL80211_DFS_UNSET: | |
2970 | return WMI_UNINIT_DFS_DOMAIN; | |
2971 | case NL80211_DFS_FCC: | |
2972 | return WMI_FCC_DFS_DOMAIN; | |
2973 | case NL80211_DFS_ETSI: | |
2974 | return WMI_ETSI_DFS_DOMAIN; | |
2975 | case NL80211_DFS_JP: | |
2976 | return WMI_MKK4_DFS_DOMAIN; | |
2977 | } | |
2978 | return WMI_UNINIT_DFS_DOMAIN; | |
2979 | } | |
2980 | ||
f7843d7f | 2981 | static void ath10k_regd_update(struct ath10k *ar) |
5e3dd157 | 2982 | { |
5e3dd157 | 2983 | struct reg_dmn_pair_mapping *regpair; |
5e3dd157 | 2984 | int ret; |
821af6ae MP |
2985 | enum wmi_dfs_region wmi_dfs_reg; |
2986 | enum nl80211_dfs_regions nl_dfs_reg; | |
5e3dd157 | 2987 | |
f7843d7f | 2988 | lockdep_assert_held(&ar->conf_mutex); |
5e3dd157 KV |
2989 | |
2990 | ret = ath10k_update_channel_list(ar); | |
2991 | if (ret) | |
7aa7a72a | 2992 | ath10k_warn(ar, "failed to update channel list: %d\n", ret); |
5e3dd157 KV |
2993 | |
2994 | regpair = ar->ath_common.regulatory.regpair; | |
f7843d7f | 2995 | |
821af6ae MP |
2996 | if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector) { |
2997 | nl_dfs_reg = ar->dfs_detector->region; | |
2998 | wmi_dfs_reg = ath10k_mac_get_dfs_region(nl_dfs_reg); | |
2999 | } else { | |
3000 | wmi_dfs_reg = WMI_UNINIT_DFS_DOMAIN; | |
3001 | } | |
3002 | ||
5e3dd157 KV |
3003 | /* Target allows setting up per-band regdomain but ath_common provides |
3004 | * a combined one only */ | |
3005 | ret = ath10k_wmi_pdev_set_regdomain(ar, | |
ef8c0017 KV |
3006 | regpair->reg_domain, |
3007 | regpair->reg_domain, /* 2ghz */ | |
3008 | regpair->reg_domain, /* 5ghz */ | |
5e3dd157 | 3009 | regpair->reg_2ghz_ctl, |
821af6ae MP |
3010 | regpair->reg_5ghz_ctl, |
3011 | wmi_dfs_reg); | |
5e3dd157 | 3012 | if (ret) |
7aa7a72a | 3013 | ath10k_warn(ar, "failed to set pdev regdomain: %d\n", ret); |
f7843d7f | 3014 | } |
548db54c | 3015 | |
f7843d7f MK |
3016 | static void ath10k_reg_notifier(struct wiphy *wiphy, |
3017 | struct regulatory_request *request) | |
3018 | { | |
3019 | struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); | |
3020 | struct ath10k *ar = hw->priv; | |
9702c686 | 3021 | bool result; |
f7843d7f MK |
3022 | |
3023 | ath_reg_notifier_apply(wiphy, request, &ar->ath_common.regulatory); | |
3024 | ||
9702c686 | 3025 | if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector) { |
7aa7a72a | 3026 | ath10k_dbg(ar, ATH10K_DBG_REGULATORY, "dfs region 0x%x\n", |
9702c686 JD |
3027 | request->dfs_region); |
3028 | result = ar->dfs_detector->set_dfs_domain(ar->dfs_detector, | |
3029 | request->dfs_region); | |
3030 | if (!result) | |
7aa7a72a | 3031 | ath10k_warn(ar, "DFS region 0x%X not supported, will trigger radar for every pulse\n", |
9702c686 JD |
3032 | request->dfs_region); |
3033 | } | |
3034 | ||
f7843d7f MK |
3035 | mutex_lock(&ar->conf_mutex); |
3036 | if (ar->state == ATH10K_STATE_ON) | |
3037 | ath10k_regd_update(ar); | |
548db54c | 3038 | mutex_unlock(&ar->conf_mutex); |
5e3dd157 KV |
3039 | } |
3040 | ||
3041 | /***************/ | |
3042 | /* TX handlers */ | |
3043 | /***************/ | |
3044 | ||
a30c7d00 MK |
3045 | enum ath10k_mac_tx_path { |
3046 | ATH10K_MAC_TX_HTT, | |
3047 | ATH10K_MAC_TX_HTT_MGMT, | |
3048 | ATH10K_MAC_TX_WMI_MGMT, | |
3049 | ATH10K_MAC_TX_UNKNOWN, | |
3050 | }; | |
3051 | ||
96d828d4 | 3052 | void ath10k_mac_tx_lock(struct ath10k *ar, int reason) |
42c3aa6f | 3053 | { |
96d828d4 | 3054 | lockdep_assert_held(&ar->htt.tx_lock); |
42c3aa6f | 3055 | |
96d828d4 MK |
3056 | WARN_ON(reason >= ATH10K_TX_PAUSE_MAX); |
3057 | ar->tx_paused |= BIT(reason); | |
3058 | ieee80211_stop_queues(ar->hw); | |
42c3aa6f MK |
3059 | } |
3060 | ||
96d828d4 MK |
3061 | static void ath10k_mac_tx_unlock_iter(void *data, u8 *mac, |
3062 | struct ieee80211_vif *vif) | |
ddb6ad77 | 3063 | { |
96d828d4 MK |
3064 | struct ath10k *ar = data; |
3065 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
ddb6ad77 | 3066 | |
96d828d4 MK |
3067 | if (arvif->tx_paused) |
3068 | return; | |
ddb6ad77 | 3069 | |
96d828d4 | 3070 | ieee80211_wake_queue(ar->hw, arvif->vdev_id); |
ddb6ad77 MK |
3071 | } |
3072 | ||
96d828d4 | 3073 | void ath10k_mac_tx_unlock(struct ath10k *ar, int reason) |
5e3dd157 | 3074 | { |
96d828d4 | 3075 | lockdep_assert_held(&ar->htt.tx_lock); |
5e3dd157 | 3076 | |
96d828d4 MK |
3077 | WARN_ON(reason >= ATH10K_TX_PAUSE_MAX); |
3078 | ar->tx_paused &= ~BIT(reason); | |
5e3dd157 | 3079 | |
96d828d4 MK |
3080 | if (ar->tx_paused) |
3081 | return; | |
c21c64d1 | 3082 | |
96d828d4 MK |
3083 | ieee80211_iterate_active_interfaces_atomic(ar->hw, |
3084 | IEEE80211_IFACE_ITER_RESUME_ALL, | |
3085 | ath10k_mac_tx_unlock_iter, | |
3086 | ar); | |
3a73d1a6 MK |
3087 | |
3088 | ieee80211_wake_queue(ar->hw, ar->hw->offchannel_tx_hw_queue); | |
5e3dd157 KV |
3089 | } |
3090 | ||
96d828d4 | 3091 | void ath10k_mac_vif_tx_lock(struct ath10k_vif *arvif, int reason) |
5e3dd157 | 3092 | { |
96d828d4 | 3093 | struct ath10k *ar = arvif->ar; |
5e3dd157 | 3094 | |
96d828d4 | 3095 | lockdep_assert_held(&ar->htt.tx_lock); |
5e3dd157 | 3096 | |
96d828d4 MK |
3097 | WARN_ON(reason >= BITS_PER_LONG); |
3098 | arvif->tx_paused |= BIT(reason); | |
3099 | ieee80211_stop_queue(ar->hw, arvif->vdev_id); | |
3100 | } | |
3101 | ||
3102 | void ath10k_mac_vif_tx_unlock(struct ath10k_vif *arvif, int reason) | |
3103 | { | |
3104 | struct ath10k *ar = arvif->ar; | |
3105 | ||
3106 | lockdep_assert_held(&ar->htt.tx_lock); | |
3107 | ||
3108 | WARN_ON(reason >= BITS_PER_LONG); | |
3109 | arvif->tx_paused &= ~BIT(reason); | |
3110 | ||
3111 | if (ar->tx_paused) | |
3112 | return; | |
3113 | ||
3114 | if (arvif->tx_paused) | |
3115 | return; | |
3116 | ||
3117 | ieee80211_wake_queue(ar->hw, arvif->vdev_id); | |
3118 | } | |
3119 | ||
b4aa539d MK |
3120 | static void ath10k_mac_vif_handle_tx_pause(struct ath10k_vif *arvif, |
3121 | enum wmi_tlv_tx_pause_id pause_id, | |
3122 | enum wmi_tlv_tx_pause_action action) | |
3123 | { | |
3124 | struct ath10k *ar = arvif->ar; | |
3125 | ||
3126 | lockdep_assert_held(&ar->htt.tx_lock); | |
3127 | ||
acd0b27b MK |
3128 | switch (action) { |
3129 | case WMI_TLV_TX_PAUSE_ACTION_STOP: | |
3130 | ath10k_mac_vif_tx_lock(arvif, pause_id); | |
3131 | break; | |
3132 | case WMI_TLV_TX_PAUSE_ACTION_WAKE: | |
3133 | ath10k_mac_vif_tx_unlock(arvif, pause_id); | |
b4aa539d | 3134 | break; |
b4aa539d | 3135 | default: |
acd0b27b MK |
3136 | ath10k_warn(ar, "received unknown tx pause action %d on vdev %i, ignoring\n", |
3137 | action, arvif->vdev_id); | |
b4aa539d MK |
3138 | break; |
3139 | } | |
3140 | } | |
3141 | ||
3142 | struct ath10k_mac_tx_pause { | |
3143 | u32 vdev_id; | |
3144 | enum wmi_tlv_tx_pause_id pause_id; | |
3145 | enum wmi_tlv_tx_pause_action action; | |
3146 | }; | |
3147 | ||
3148 | static void ath10k_mac_handle_tx_pause_iter(void *data, u8 *mac, | |
3149 | struct ieee80211_vif *vif) | |
3150 | { | |
3151 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
3152 | struct ath10k_mac_tx_pause *arg = data; | |
3153 | ||
acd0b27b MK |
3154 | if (arvif->vdev_id != arg->vdev_id) |
3155 | return; | |
3156 | ||
b4aa539d MK |
3157 | ath10k_mac_vif_handle_tx_pause(arvif, arg->pause_id, arg->action); |
3158 | } | |
3159 | ||
acd0b27b MK |
3160 | void ath10k_mac_handle_tx_pause_vdev(struct ath10k *ar, u32 vdev_id, |
3161 | enum wmi_tlv_tx_pause_id pause_id, | |
3162 | enum wmi_tlv_tx_pause_action action) | |
b4aa539d MK |
3163 | { |
3164 | struct ath10k_mac_tx_pause arg = { | |
3165 | .vdev_id = vdev_id, | |
3166 | .pause_id = pause_id, | |
3167 | .action = action, | |
3168 | }; | |
3169 | ||
3170 | spin_lock_bh(&ar->htt.tx_lock); | |
3171 | ieee80211_iterate_active_interfaces_atomic(ar->hw, | |
3172 | IEEE80211_IFACE_ITER_RESUME_ALL, | |
3173 | ath10k_mac_handle_tx_pause_iter, | |
3174 | &arg); | |
3175 | spin_unlock_bh(&ar->htt.tx_lock); | |
3176 | } | |
3177 | ||
d740d8fd | 3178 | static enum ath10k_hw_txrx_mode |
6a2636d8 MK |
3179 | ath10k_mac_tx_h_get_txmode(struct ath10k *ar, |
3180 | struct ieee80211_vif *vif, | |
3181 | struct ieee80211_sta *sta, | |
3182 | struct sk_buff *skb) | |
d740d8fd MK |
3183 | { |
3184 | const struct ieee80211_hdr *hdr = (void *)skb->data; | |
3185 | __le16 fc = hdr->frame_control; | |
3186 | ||
3187 | if (!vif || vif->type == NL80211_IFTYPE_MONITOR) | |
3188 | return ATH10K_HW_TXRX_RAW; | |
3189 | ||
3190 | if (ieee80211_is_mgmt(fc)) | |
3191 | return ATH10K_HW_TXRX_MGMT; | |
3192 | ||
3193 | /* Workaround: | |
3194 | * | |
3195 | * NullFunc frames are mostly used to ping if a client or AP are still | |
3196 | * reachable and responsive. This implies tx status reports must be | |
3197 | * accurate - otherwise either mac80211 or userspace (e.g. hostapd) can | |
3198 | * come to a conclusion that the other end disappeared and tear down | |
3199 | * BSS connection or it can never disconnect from BSS/client (which is | |
3200 | * the case). | |
3201 | * | |
3202 | * Firmware with HTT older than 3.0 delivers incorrect tx status for | |
3203 | * NullFunc frames to driver. However there's a HTT Mgmt Tx command | |
3204 | * which seems to deliver correct tx reports for NullFunc frames. The | |
3205 | * downside of using it is it ignores client powersave state so it can | |
3206 | * end up disconnecting sleeping clients in AP mode. It should fix STA | |
3207 | * mode though because AP don't sleep. | |
3208 | */ | |
3209 | if (ar->htt.target_version_major < 3 && | |
3210 | (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc)) && | |
c4cdf753 KV |
3211 | !test_bit(ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX, |
3212 | ar->running_fw->fw_file.fw_features)) | |
d740d8fd MK |
3213 | return ATH10K_HW_TXRX_MGMT; |
3214 | ||
75d85fd9 MP |
3215 | /* Workaround: |
3216 | * | |
3217 | * Some wmi-tlv firmwares for qca6174 have broken Tx key selection for | |
3218 | * NativeWifi txmode - it selects AP key instead of peer key. It seems | |
3219 | * to work with Ethernet txmode so use it. | |
ccec9038 DL |
3220 | * |
3221 | * FIXME: Check if raw mode works with TDLS. | |
75d85fd9 MP |
3222 | */ |
3223 | if (ieee80211_is_data_present(fc) && sta && sta->tdls) | |
3224 | return ATH10K_HW_TXRX_ETHERNET; | |
3225 | ||
ccec9038 DL |
3226 | if (test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) |
3227 | return ATH10K_HW_TXRX_RAW; | |
3228 | ||
d740d8fd MK |
3229 | return ATH10K_HW_TXRX_NATIVE_WIFI; |
3230 | } | |
3231 | ||
ccec9038 | 3232 | static bool ath10k_tx_h_use_hwcrypto(struct ieee80211_vif *vif, |
fd12cb32 MK |
3233 | struct sk_buff *skb) |
3234 | { | |
3235 | const struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); | |
3236 | const struct ieee80211_hdr *hdr = (void *)skb->data; | |
ccec9038 DL |
3237 | const u32 mask = IEEE80211_TX_INTFL_DONT_ENCRYPT | |
3238 | IEEE80211_TX_CTL_INJECTED; | |
fd12cb32 MK |
3239 | |
3240 | if (!ieee80211_has_protected(hdr->frame_control)) | |
3241 | return false; | |
3242 | ||
ccec9038 DL |
3243 | if ((info->flags & mask) == mask) |
3244 | return false; | |
fd12cb32 | 3245 | |
ccec9038 DL |
3246 | if (vif) |
3247 | return !ath10k_vif_to_arvif(vif)->nohwcrypt; | |
fd12cb32 | 3248 | |
ccec9038 DL |
3249 | return true; |
3250 | } | |
3251 | ||
4b604558 MK |
3252 | /* HTT Tx uses Native Wifi tx mode which expects 802.11 frames without QoS |
3253 | * Control in the header. | |
5e3dd157 | 3254 | */ |
4b604558 | 3255 | static void ath10k_tx_h_nwifi(struct ieee80211_hw *hw, struct sk_buff *skb) |
5e3dd157 KV |
3256 | { |
3257 | struct ieee80211_hdr *hdr = (void *)skb->data; | |
c21c64d1 | 3258 | struct ath10k_skb_cb *cb = ATH10K_SKB_CB(skb); |
5e3dd157 KV |
3259 | u8 *qos_ctl; |
3260 | ||
3261 | if (!ieee80211_is_data_qos(hdr->frame_control)) | |
3262 | return; | |
3263 | ||
3264 | qos_ctl = ieee80211_get_qos_ctl(hdr); | |
ba0ccd7a MK |
3265 | memmove(skb->data + IEEE80211_QOS_CTL_LEN, |
3266 | skb->data, (void *)qos_ctl - (void *)skb->data); | |
3267 | skb_pull(skb, IEEE80211_QOS_CTL_LEN); | |
c21c64d1 | 3268 | |
8bad8dcd MK |
3269 | /* Some firmware revisions don't handle sending QoS NullFunc well. |
3270 | * These frames are mainly used for CQM purposes so it doesn't really | |
3271 | * matter whether QoS NullFunc or NullFunc are sent. | |
c21c64d1 | 3272 | */ |
bf0a26d3 | 3273 | hdr = (void *)skb->data; |
8bad8dcd | 3274 | if (ieee80211_is_qos_nullfunc(hdr->frame_control)) |
609db229 | 3275 | cb->flags &= ~ATH10K_SKB_F_QOS; |
8bad8dcd MK |
3276 | |
3277 | hdr->frame_control &= ~__cpu_to_le16(IEEE80211_STYPE_QOS_DATA); | |
5e3dd157 KV |
3278 | } |
3279 | ||
d740d8fd MK |
3280 | static void ath10k_tx_h_8023(struct sk_buff *skb) |
3281 | { | |
3282 | struct ieee80211_hdr *hdr; | |
3283 | struct rfc1042_hdr *rfc1042; | |
3284 | struct ethhdr *eth; | |
3285 | size_t hdrlen; | |
3286 | u8 da[ETH_ALEN]; | |
3287 | u8 sa[ETH_ALEN]; | |
3288 | __be16 type; | |
3289 | ||
3290 | hdr = (void *)skb->data; | |
3291 | hdrlen = ieee80211_hdrlen(hdr->frame_control); | |
3292 | rfc1042 = (void *)skb->data + hdrlen; | |
3293 | ||
3294 | ether_addr_copy(da, ieee80211_get_DA(hdr)); | |
3295 | ether_addr_copy(sa, ieee80211_get_SA(hdr)); | |
3296 | type = rfc1042->snap_type; | |
3297 | ||
3298 | skb_pull(skb, hdrlen + sizeof(*rfc1042)); | |
3299 | skb_push(skb, sizeof(*eth)); | |
3300 | ||
3301 | eth = (void *)skb->data; | |
3302 | ether_addr_copy(eth->h_dest, da); | |
3303 | ether_addr_copy(eth->h_source, sa); | |
3304 | eth->h_proto = type; | |
5e3dd157 KV |
3305 | } |
3306 | ||
4b604558 MK |
3307 | static void ath10k_tx_h_add_p2p_noa_ie(struct ath10k *ar, |
3308 | struct ieee80211_vif *vif, | |
3309 | struct sk_buff *skb) | |
5e3dd157 KV |
3310 | { |
3311 | struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; | |
5e3dd157 KV |
3312 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); |
3313 | ||
3314 | /* This is case only for P2P_GO */ | |
08c27be1 | 3315 | if (vif->type != NL80211_IFTYPE_AP || !vif->p2p) |
5e3dd157 KV |
3316 | return; |
3317 | ||
3318 | if (unlikely(ieee80211_is_probe_resp(hdr->frame_control))) { | |
3319 | spin_lock_bh(&ar->data_lock); | |
3320 | if (arvif->u.ap.noa_data) | |
3321 | if (!pskb_expand_head(skb, 0, arvif->u.ap.noa_len, | |
3322 | GFP_ATOMIC)) | |
3323 | memcpy(skb_put(skb, arvif->u.ap.noa_len), | |
3324 | arvif->u.ap.noa_data, | |
3325 | arvif->u.ap.noa_len); | |
3326 | spin_unlock_bh(&ar->data_lock); | |
3327 | } | |
3328 | } | |
3329 | ||
f2f6ecab MK |
3330 | static void ath10k_mac_tx_h_fill_cb(struct ath10k *ar, |
3331 | struct ieee80211_vif *vif, | |
dd4717b6 | 3332 | struct ieee80211_txq *txq, |
f2f6ecab MK |
3333 | struct sk_buff *skb) |
3334 | { | |
3335 | struct ieee80211_hdr *hdr = (void *)skb->data; | |
3336 | struct ath10k_skb_cb *cb = ATH10K_SKB_CB(skb); | |
3337 | ||
3338 | cb->flags = 0; | |
3339 | if (!ath10k_tx_h_use_hwcrypto(vif, skb)) | |
3340 | cb->flags |= ATH10K_SKB_F_NO_HWCRYPT; | |
3341 | ||
3342 | if (ieee80211_is_mgmt(hdr->frame_control)) | |
3343 | cb->flags |= ATH10K_SKB_F_MGMT; | |
3344 | ||
3345 | if (ieee80211_is_data_qos(hdr->frame_control)) | |
3346 | cb->flags |= ATH10K_SKB_F_QOS; | |
3347 | ||
3348 | cb->vif = vif; | |
dd4717b6 | 3349 | cb->txq = txq; |
f2f6ecab MK |
3350 | } |
3351 | ||
d39de991 | 3352 | bool ath10k_mac_tx_frm_has_freq(struct ath10k *ar) |
8d6d3624 MK |
3353 | { |
3354 | /* FIXME: Not really sure since when the behaviour changed. At some | |
3355 | * point new firmware stopped requiring creation of peer entries for | |
3356 | * offchannel tx (and actually creating them causes issues with wmi-htc | |
3357 | * tx credit replenishment and reliability). Assuming it's at least 3.4 | |
3358 | * because that's when the `freq` was introduced to TX_FRM HTT command. | |
3359 | */ | |
8921f5f7 | 3360 | return (ar->htt.target_version_major >= 3 && |
d39de991 | 3361 | ar->htt.target_version_minor >= 4 && |
77561f93 | 3362 | ar->running_fw->fw_file.htt_op_version == ATH10K_FW_HTT_OP_VERSION_TLV); |
8d6d3624 MK |
3363 | } |
3364 | ||
d740d8fd | 3365 | static int ath10k_mac_tx_wmi_mgmt(struct ath10k *ar, struct sk_buff *skb) |
5e3dd157 | 3366 | { |
d740d8fd | 3367 | struct sk_buff_head *q = &ar->wmi_mgmt_tx_queue; |
5e00d31a | 3368 | int ret = 0; |
5e3dd157 | 3369 | |
d740d8fd MK |
3370 | spin_lock_bh(&ar->data_lock); |
3371 | ||
3372 | if (skb_queue_len(q) == ATH10K_MAX_NUM_MGMT_PENDING) { | |
3373 | ath10k_warn(ar, "wmi mgmt tx queue is full\n"); | |
3374 | ret = -ENOSPC; | |
3375 | goto unlock; | |
961d4c38 MK |
3376 | } |
3377 | ||
d740d8fd MK |
3378 | __skb_queue_tail(q, skb); |
3379 | ieee80211_queue_work(ar->hw, &ar->wmi_mgmt_tx_work); | |
5e00d31a | 3380 | |
d740d8fd MK |
3381 | unlock: |
3382 | spin_unlock_bh(&ar->data_lock); | |
3383 | ||
3384 | return ret; | |
3385 | } | |
3386 | ||
a30c7d00 MK |
3387 | static enum ath10k_mac_tx_path |
3388 | ath10k_mac_tx_h_get_txpath(struct ath10k *ar, | |
3389 | struct sk_buff *skb, | |
3390 | enum ath10k_hw_txrx_mode txmode) | |
d740d8fd | 3391 | { |
8a933964 | 3392 | switch (txmode) { |
d740d8fd MK |
3393 | case ATH10K_HW_TXRX_RAW: |
3394 | case ATH10K_HW_TXRX_NATIVE_WIFI: | |
3395 | case ATH10K_HW_TXRX_ETHERNET: | |
a30c7d00 | 3396 | return ATH10K_MAC_TX_HTT; |
d740d8fd MK |
3397 | case ATH10K_HW_TXRX_MGMT: |
3398 | if (test_bit(ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX, | |
c4cdf753 | 3399 | ar->running_fw->fw_file.fw_features)) |
a30c7d00 | 3400 | return ATH10K_MAC_TX_WMI_MGMT; |
d740d8fd | 3401 | else if (ar->htt.target_version_major >= 3) |
a30c7d00 | 3402 | return ATH10K_MAC_TX_HTT; |
d740d8fd | 3403 | else |
a30c7d00 MK |
3404 | return ATH10K_MAC_TX_HTT_MGMT; |
3405 | } | |
3406 | ||
3407 | return ATH10K_MAC_TX_UNKNOWN; | |
3408 | } | |
3409 | ||
3410 | static int ath10k_mac_tx_submit(struct ath10k *ar, | |
3411 | enum ath10k_hw_txrx_mode txmode, | |
6421969f | 3412 | enum ath10k_mac_tx_path txpath, |
a30c7d00 MK |
3413 | struct sk_buff *skb) |
3414 | { | |
3415 | struct ath10k_htt *htt = &ar->htt; | |
6421969f | 3416 | int ret = -EINVAL; |
a30c7d00 MK |
3417 | |
3418 | switch (txpath) { | |
3419 | case ATH10K_MAC_TX_HTT: | |
3420 | ret = ath10k_htt_tx(htt, txmode, skb); | |
3421 | break; | |
3422 | case ATH10K_MAC_TX_HTT_MGMT: | |
3423 | ret = ath10k_htt_mgmt_tx(htt, skb); | |
3424 | break; | |
3425 | case ATH10K_MAC_TX_WMI_MGMT: | |
3426 | ret = ath10k_mac_tx_wmi_mgmt(ar, skb); | |
3427 | break; | |
3428 | case ATH10K_MAC_TX_UNKNOWN: | |
3429 | WARN_ON_ONCE(1); | |
3430 | ret = -EINVAL; | |
d740d8fd | 3431 | break; |
5e00d31a | 3432 | } |
5e3dd157 KV |
3433 | |
3434 | if (ret) { | |
7aa7a72a MK |
3435 | ath10k_warn(ar, "failed to transmit packet, dropping: %d\n", |
3436 | ret); | |
5e3dd157 KV |
3437 | ieee80211_free_txskb(ar->hw, skb); |
3438 | } | |
f2f6ecab MK |
3439 | |
3440 | return ret; | |
3441 | } | |
3442 | ||
3443 | /* This function consumes the sk_buff regardless of return value as far as | |
3444 | * caller is concerned so no freeing is necessary afterwards. | |
3445 | */ | |
3446 | static int ath10k_mac_tx(struct ath10k *ar, | |
3447 | struct ieee80211_vif *vif, | |
3448 | struct ieee80211_sta *sta, | |
3449 | enum ath10k_hw_txrx_mode txmode, | |
6421969f | 3450 | enum ath10k_mac_tx_path txpath, |
f2f6ecab MK |
3451 | struct sk_buff *skb) |
3452 | { | |
3453 | struct ieee80211_hw *hw = ar->hw; | |
3454 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); | |
3455 | int ret; | |
3456 | ||
3457 | /* We should disable CCK RATE due to P2P */ | |
3458 | if (info->flags & IEEE80211_TX_CTL_NO_CCK_RATE) | |
3459 | ath10k_dbg(ar, ATH10K_DBG_MAC, "IEEE80211_TX_CTL_NO_CCK_RATE\n"); | |
3460 | ||
3461 | switch (txmode) { | |
3462 | case ATH10K_HW_TXRX_MGMT: | |
3463 | case ATH10K_HW_TXRX_NATIVE_WIFI: | |
3464 | ath10k_tx_h_nwifi(hw, skb); | |
3465 | ath10k_tx_h_add_p2p_noa_ie(ar, vif, skb); | |
3466 | ath10k_tx_h_seq_no(vif, skb); | |
3467 | break; | |
3468 | case ATH10K_HW_TXRX_ETHERNET: | |
3469 | ath10k_tx_h_8023(skb); | |
3470 | break; | |
3471 | case ATH10K_HW_TXRX_RAW: | |
3472 | if (!test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) { | |
3473 | WARN_ON_ONCE(1); | |
3474 | ieee80211_free_txskb(hw, skb); | |
3475 | return -ENOTSUPP; | |
3476 | } | |
3477 | } | |
3478 | ||
3479 | if (info->flags & IEEE80211_TX_CTL_TX_OFFCHAN) { | |
3480 | if (!ath10k_mac_tx_frm_has_freq(ar)) { | |
3481 | ath10k_dbg(ar, ATH10K_DBG_MAC, "queued offchannel skb %p\n", | |
3482 | skb); | |
3483 | ||
3484 | skb_queue_tail(&ar->offchan_tx_queue, skb); | |
3485 | ieee80211_queue_work(hw, &ar->offchan_tx_work); | |
3486 | return 0; | |
3487 | } | |
3488 | } | |
3489 | ||
6421969f | 3490 | ret = ath10k_mac_tx_submit(ar, txmode, txpath, skb); |
f2f6ecab MK |
3491 | if (ret) { |
3492 | ath10k_warn(ar, "failed to submit frame: %d\n", ret); | |
3493 | return ret; | |
3494 | } | |
3495 | ||
3496 | return 0; | |
5e3dd157 KV |
3497 | } |
3498 | ||
3499 | void ath10k_offchan_tx_purge(struct ath10k *ar) | |
3500 | { | |
3501 | struct sk_buff *skb; | |
3502 | ||
3503 | for (;;) { | |
3504 | skb = skb_dequeue(&ar->offchan_tx_queue); | |
3505 | if (!skb) | |
3506 | break; | |
3507 | ||
3508 | ieee80211_free_txskb(ar->hw, skb); | |
3509 | } | |
3510 | } | |
3511 | ||
3512 | void ath10k_offchan_tx_work(struct work_struct *work) | |
3513 | { | |
3514 | struct ath10k *ar = container_of(work, struct ath10k, offchan_tx_work); | |
3515 | struct ath10k_peer *peer; | |
8a933964 | 3516 | struct ath10k_vif *arvif; |
f2f6ecab | 3517 | enum ath10k_hw_txrx_mode txmode; |
6421969f | 3518 | enum ath10k_mac_tx_path txpath; |
5e3dd157 | 3519 | struct ieee80211_hdr *hdr; |
8a933964 MK |
3520 | struct ieee80211_vif *vif; |
3521 | struct ieee80211_sta *sta; | |
5e3dd157 KV |
3522 | struct sk_buff *skb; |
3523 | const u8 *peer_addr; | |
3524 | int vdev_id; | |
3525 | int ret; | |
8e9904f5 | 3526 | unsigned long time_left; |
adaeed74 | 3527 | bool tmp_peer_created = false; |
5e3dd157 KV |
3528 | |
3529 | /* FW requirement: We must create a peer before FW will send out | |
3530 | * an offchannel frame. Otherwise the frame will be stuck and | |
3531 | * never transmitted. We delete the peer upon tx completion. | |
3532 | * It is unlikely that a peer for offchannel tx will already be | |
3533 | * present. However it may be in some rare cases so account for that. | |
3534 | * Otherwise we might remove a legitimate peer and break stuff. */ | |
3535 | ||
3536 | for (;;) { | |
3537 | skb = skb_dequeue(&ar->offchan_tx_queue); | |
3538 | if (!skb) | |
3539 | break; | |
3540 | ||
3541 | mutex_lock(&ar->conf_mutex); | |
3542 | ||
7aa7a72a | 3543 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac offchannel skb %p\n", |
5e3dd157 KV |
3544 | skb); |
3545 | ||
3546 | hdr = (struct ieee80211_hdr *)skb->data; | |
3547 | peer_addr = ieee80211_get_DA(hdr); | |
5e3dd157 KV |
3548 | |
3549 | spin_lock_bh(&ar->data_lock); | |
609db229 | 3550 | vdev_id = ar->scan.vdev_id; |
5e3dd157 KV |
3551 | peer = ath10k_peer_find(ar, vdev_id, peer_addr); |
3552 | spin_unlock_bh(&ar->data_lock); | |
3553 | ||
3554 | if (peer) | |
60c3daa8 | 3555 | /* FIXME: should this use ath10k_warn()? */ |
7aa7a72a | 3556 | ath10k_dbg(ar, ATH10K_DBG_MAC, "peer %pM on vdev %d already present\n", |
5e3dd157 KV |
3557 | peer_addr, vdev_id); |
3558 | ||
3559 | if (!peer) { | |
6942726f MK |
3560 | ret = ath10k_peer_create(ar, NULL, NULL, vdev_id, |
3561 | peer_addr, | |
7390ed34 | 3562 | WMI_PEER_TYPE_DEFAULT); |
5e3dd157 | 3563 | if (ret) |
7aa7a72a | 3564 | ath10k_warn(ar, "failed to create peer %pM on vdev %d: %d\n", |
5e3dd157 | 3565 | peer_addr, vdev_id, ret); |
adaeed74 | 3566 | tmp_peer_created = (ret == 0); |
5e3dd157 KV |
3567 | } |
3568 | ||
3569 | spin_lock_bh(&ar->data_lock); | |
16735d02 | 3570 | reinit_completion(&ar->offchan_tx_completed); |
5e3dd157 KV |
3571 | ar->offchan_tx_skb = skb; |
3572 | spin_unlock_bh(&ar->data_lock); | |
3573 | ||
8a933964 MK |
3574 | /* It's safe to access vif and sta - conf_mutex guarantees that |
3575 | * sta_state() and remove_interface() are locked exclusively | |
3576 | * out wrt to this offchannel worker. | |
3577 | */ | |
3578 | arvif = ath10k_get_arvif(ar, vdev_id); | |
3579 | if (arvif) { | |
3580 | vif = arvif->vif; | |
3581 | sta = ieee80211_find_sta(vif, peer_addr); | |
3582 | } else { | |
3583 | vif = NULL; | |
3584 | sta = NULL; | |
3585 | } | |
3586 | ||
3587 | txmode = ath10k_mac_tx_h_get_txmode(ar, vif, sta, skb); | |
6421969f | 3588 | txpath = ath10k_mac_tx_h_get_txpath(ar, skb, txmode); |
8a933964 | 3589 | |
6421969f | 3590 | ret = ath10k_mac_tx(ar, vif, sta, txmode, txpath, skb); |
f2f6ecab MK |
3591 | if (ret) { |
3592 | ath10k_warn(ar, "failed to transmit offchannel frame: %d\n", | |
3593 | ret); | |
3594 | /* not serious */ | |
3595 | } | |
5e3dd157 | 3596 | |
8e9904f5 NMG |
3597 | time_left = |
3598 | wait_for_completion_timeout(&ar->offchan_tx_completed, 3 * HZ); | |
3599 | if (time_left == 0) | |
7aa7a72a | 3600 | ath10k_warn(ar, "timed out waiting for offchannel skb %p\n", |
5e3dd157 KV |
3601 | skb); |
3602 | ||
adaeed74 | 3603 | if (!peer && tmp_peer_created) { |
5e3dd157 KV |
3604 | ret = ath10k_peer_delete(ar, vdev_id, peer_addr); |
3605 | if (ret) | |
7aa7a72a | 3606 | ath10k_warn(ar, "failed to delete peer %pM on vdev %d: %d\n", |
5e3dd157 KV |
3607 | peer_addr, vdev_id, ret); |
3608 | } | |
3609 | ||
3610 | mutex_unlock(&ar->conf_mutex); | |
3611 | } | |
3612 | } | |
3613 | ||
5e00d31a BM |
3614 | void ath10k_mgmt_over_wmi_tx_purge(struct ath10k *ar) |
3615 | { | |
3616 | struct sk_buff *skb; | |
3617 | ||
3618 | for (;;) { | |
3619 | skb = skb_dequeue(&ar->wmi_mgmt_tx_queue); | |
3620 | if (!skb) | |
3621 | break; | |
3622 | ||
3623 | ieee80211_free_txskb(ar->hw, skb); | |
3624 | } | |
3625 | } | |
3626 | ||
3627 | void ath10k_mgmt_over_wmi_tx_work(struct work_struct *work) | |
3628 | { | |
3629 | struct ath10k *ar = container_of(work, struct ath10k, wmi_mgmt_tx_work); | |
3630 | struct sk_buff *skb; | |
3631 | int ret; | |
3632 | ||
3633 | for (;;) { | |
3634 | skb = skb_dequeue(&ar->wmi_mgmt_tx_queue); | |
3635 | if (!skb) | |
3636 | break; | |
3637 | ||
3638 | ret = ath10k_wmi_mgmt_tx(ar, skb); | |
5fb5e41f | 3639 | if (ret) { |
7aa7a72a | 3640 | ath10k_warn(ar, "failed to transmit management frame via WMI: %d\n", |
be6546fc | 3641 | ret); |
5fb5e41f MK |
3642 | ieee80211_free_txskb(ar->hw, skb); |
3643 | } | |
5e00d31a BM |
3644 | } |
3645 | } | |
3646 | ||
29946878 MK |
3647 | static void ath10k_mac_txq_init(struct ieee80211_txq *txq) |
3648 | { | |
3649 | struct ath10k_txq *artxq = (void *)txq->drv_priv; | |
3650 | ||
3651 | if (!txq) | |
3652 | return; | |
3653 | ||
3654 | INIT_LIST_HEAD(&artxq->list); | |
3655 | } | |
3656 | ||
3657 | static void ath10k_mac_txq_unref(struct ath10k *ar, struct ieee80211_txq *txq) | |
3658 | { | |
3659 | struct ath10k_txq *artxq = (void *)txq->drv_priv; | |
dd4717b6 MK |
3660 | struct ath10k_skb_cb *cb; |
3661 | struct sk_buff *msdu; | |
3662 | int msdu_id; | |
29946878 MK |
3663 | |
3664 | if (!txq) | |
3665 | return; | |
3666 | ||
3667 | spin_lock_bh(&ar->txqs_lock); | |
3668 | if (!list_empty(&artxq->list)) | |
3669 | list_del_init(&artxq->list); | |
3670 | spin_unlock_bh(&ar->txqs_lock); | |
dd4717b6 MK |
3671 | |
3672 | spin_lock_bh(&ar->htt.tx_lock); | |
3673 | idr_for_each_entry(&ar->htt.pending_tx, msdu, msdu_id) { | |
3674 | cb = ATH10K_SKB_CB(msdu); | |
3675 | if (cb->txq == txq) | |
3676 | cb->txq = NULL; | |
3677 | } | |
3678 | spin_unlock_bh(&ar->htt.tx_lock); | |
29946878 MK |
3679 | } |
3680 | ||
426e10ea MK |
3681 | struct ieee80211_txq *ath10k_mac_txq_lookup(struct ath10k *ar, |
3682 | u16 peer_id, | |
3683 | u8 tid) | |
3684 | { | |
3685 | struct ath10k_peer *peer; | |
3686 | ||
3687 | lockdep_assert_held(&ar->data_lock); | |
3688 | ||
3689 | peer = ar->peer_map[peer_id]; | |
3690 | if (!peer) | |
3691 | return NULL; | |
3692 | ||
3693 | if (peer->sta) | |
3694 | return peer->sta->txq[tid]; | |
3695 | else if (peer->vif) | |
3696 | return peer->vif->txq; | |
3697 | else | |
3698 | return NULL; | |
3699 | } | |
3700 | ||
29946878 MK |
3701 | static bool ath10k_mac_tx_can_push(struct ieee80211_hw *hw, |
3702 | struct ieee80211_txq *txq) | |
3703 | { | |
426e10ea MK |
3704 | struct ath10k *ar = hw->priv; |
3705 | struct ath10k_txq *artxq = (void *)txq->drv_priv; | |
3706 | ||
3707 | /* No need to get locks */ | |
3708 | ||
3709 | if (ar->htt.tx_q_state.mode == HTT_TX_MODE_SWITCH_PUSH) | |
3710 | return true; | |
3711 | ||
3712 | if (ar->htt.num_pending_tx < ar->htt.tx_q_state.num_push_allowed) | |
3713 | return true; | |
3714 | ||
3715 | if (artxq->num_fw_queued < artxq->num_push_allowed) | |
3716 | return true; | |
3717 | ||
3718 | return false; | |
29946878 MK |
3719 | } |
3720 | ||
426e10ea MK |
3721 | int ath10k_mac_tx_push_txq(struct ieee80211_hw *hw, |
3722 | struct ieee80211_txq *txq) | |
29946878 | 3723 | { |
29946878 MK |
3724 | struct ath10k *ar = hw->priv; |
3725 | struct ath10k_htt *htt = &ar->htt; | |
3cc0fef6 | 3726 | struct ath10k_txq *artxq = (void *)txq->drv_priv; |
29946878 MK |
3727 | struct ieee80211_vif *vif = txq->vif; |
3728 | struct ieee80211_sta *sta = txq->sta; | |
3729 | enum ath10k_hw_txrx_mode txmode; | |
3730 | enum ath10k_mac_tx_path txpath; | |
3731 | struct sk_buff *skb; | |
426e10ea | 3732 | size_t skb_len; |
29946878 MK |
3733 | int ret; |
3734 | ||
3735 | spin_lock_bh(&ar->htt.tx_lock); | |
cac08552 | 3736 | ret = ath10k_htt_tx_inc_pending(htt); |
29946878 MK |
3737 | spin_unlock_bh(&ar->htt.tx_lock); |
3738 | ||
3739 | if (ret) | |
3740 | return ret; | |
3741 | ||
3742 | skb = ieee80211_tx_dequeue(hw, txq); | |
3743 | if (!skb) { | |
3744 | spin_lock_bh(&ar->htt.tx_lock); | |
cac08552 | 3745 | ath10k_htt_tx_dec_pending(htt); |
29946878 MK |
3746 | spin_unlock_bh(&ar->htt.tx_lock); |
3747 | ||
3748 | return -ENOENT; | |
3749 | } | |
3750 | ||
dd4717b6 | 3751 | ath10k_mac_tx_h_fill_cb(ar, vif, txq, skb); |
29946878 | 3752 | |
426e10ea | 3753 | skb_len = skb->len; |
29946878 MK |
3754 | txmode = ath10k_mac_tx_h_get_txmode(ar, vif, sta, skb); |
3755 | txpath = ath10k_mac_tx_h_get_txpath(ar, skb, txmode); | |
3756 | ||
3757 | ret = ath10k_mac_tx(ar, vif, sta, txmode, txpath, skb); | |
3758 | if (unlikely(ret)) { | |
3759 | ath10k_warn(ar, "failed to push frame: %d\n", ret); | |
3760 | ||
3761 | spin_lock_bh(&ar->htt.tx_lock); | |
cac08552 | 3762 | ath10k_htt_tx_dec_pending(htt); |
29946878 MK |
3763 | spin_unlock_bh(&ar->htt.tx_lock); |
3764 | ||
3765 | return ret; | |
3766 | } | |
3767 | ||
3cc0fef6 MK |
3768 | spin_lock_bh(&ar->htt.tx_lock); |
3769 | artxq->num_fw_queued++; | |
3770 | spin_unlock_bh(&ar->htt.tx_lock); | |
3771 | ||
426e10ea | 3772 | return skb_len; |
29946878 MK |
3773 | } |
3774 | ||
3775 | void ath10k_mac_tx_push_pending(struct ath10k *ar) | |
3776 | { | |
3777 | struct ieee80211_hw *hw = ar->hw; | |
3778 | struct ieee80211_txq *txq; | |
3779 | struct ath10k_txq *artxq; | |
3780 | struct ath10k_txq *last; | |
3781 | int ret; | |
3782 | int max; | |
3783 | ||
3784 | spin_lock_bh(&ar->txqs_lock); | |
3785 | rcu_read_lock(); | |
3786 | ||
3787 | last = list_last_entry(&ar->txqs, struct ath10k_txq, list); | |
3788 | while (!list_empty(&ar->txqs)) { | |
3789 | artxq = list_first_entry(&ar->txqs, struct ath10k_txq, list); | |
3790 | txq = container_of((void *)artxq, struct ieee80211_txq, | |
3791 | drv_priv); | |
3792 | ||
3793 | /* Prevent aggressive sta/tid taking over tx queue */ | |
3794 | max = 16; | |
750eeed8 MK |
3795 | ret = 0; |
3796 | while (ath10k_mac_tx_can_push(hw, txq) && max--) { | |
29946878 MK |
3797 | ret = ath10k_mac_tx_push_txq(hw, txq); |
3798 | if (ret < 0) | |
3799 | break; | |
3800 | } | |
3801 | ||
3802 | list_del_init(&artxq->list); | |
9d71d47e MK |
3803 | if (ret != -ENOENT) |
3804 | list_add_tail(&artxq->list, &ar->txqs); | |
3805 | ||
c1a43d97 | 3806 | ath10k_htt_tx_txq_update(hw, txq); |
29946878 | 3807 | |
9d71d47e | 3808 | if (artxq == last || (ret < 0 && ret != -ENOENT)) |
29946878 | 3809 | break; |
29946878 MK |
3810 | } |
3811 | ||
3812 | rcu_read_unlock(); | |
3813 | spin_unlock_bh(&ar->txqs_lock); | |
3814 | } | |
3815 | ||
5e3dd157 KV |
3816 | /************/ |
3817 | /* Scanning */ | |
3818 | /************/ | |
3819 | ||
5c81c7fd | 3820 | void __ath10k_scan_finish(struct ath10k *ar) |
5e3dd157 | 3821 | { |
5c81c7fd | 3822 | lockdep_assert_held(&ar->data_lock); |
5e3dd157 | 3823 | |
5c81c7fd MK |
3824 | switch (ar->scan.state) { |
3825 | case ATH10K_SCAN_IDLE: | |
3826 | break; | |
3827 | case ATH10K_SCAN_RUNNING: | |
7305d3e0 MK |
3828 | case ATH10K_SCAN_ABORTING: |
3829 | if (!ar->scan.is_roc) | |
5c81c7fd MK |
3830 | ieee80211_scan_completed(ar->hw, |
3831 | (ar->scan.state == | |
3832 | ATH10K_SCAN_ABORTING)); | |
d710e75d MK |
3833 | else if (ar->scan.roc_notify) |
3834 | ieee80211_remain_on_channel_expired(ar->hw); | |
5c81c7fd MK |
3835 | /* fall through */ |
3836 | case ATH10K_SCAN_STARTING: | |
3837 | ar->scan.state = ATH10K_SCAN_IDLE; | |
3838 | ar->scan_channel = NULL; | |
bd877440 | 3839 | ar->scan.roc_freq = 0; |
5c81c7fd MK |
3840 | ath10k_offchan_tx_purge(ar); |
3841 | cancel_delayed_work(&ar->scan.timeout); | |
3842 | complete_all(&ar->scan.completed); | |
3843 | break; | |
5e3dd157 | 3844 | } |
5c81c7fd | 3845 | } |
5e3dd157 | 3846 | |
5c81c7fd MK |
3847 | void ath10k_scan_finish(struct ath10k *ar) |
3848 | { | |
3849 | spin_lock_bh(&ar->data_lock); | |
3850 | __ath10k_scan_finish(ar); | |
5e3dd157 KV |
3851 | spin_unlock_bh(&ar->data_lock); |
3852 | } | |
3853 | ||
5c81c7fd | 3854 | static int ath10k_scan_stop(struct ath10k *ar) |
5e3dd157 KV |
3855 | { |
3856 | struct wmi_stop_scan_arg arg = { | |
3857 | .req_id = 1, /* FIXME */ | |
3858 | .req_type = WMI_SCAN_STOP_ONE, | |
3859 | .u.scan_id = ATH10K_SCAN_ID, | |
3860 | }; | |
3861 | int ret; | |
3862 | ||
3863 | lockdep_assert_held(&ar->conf_mutex); | |
3864 | ||
5e3dd157 KV |
3865 | ret = ath10k_wmi_stop_scan(ar, &arg); |
3866 | if (ret) { | |
7aa7a72a | 3867 | ath10k_warn(ar, "failed to stop wmi scan: %d\n", ret); |
5c81c7fd | 3868 | goto out; |
5e3dd157 KV |
3869 | } |
3870 | ||
14e105cd | 3871 | ret = wait_for_completion_timeout(&ar->scan.completed, 3 * HZ); |
5c81c7fd | 3872 | if (ret == 0) { |
7aa7a72a | 3873 | ath10k_warn(ar, "failed to receive scan abortion completion: timed out\n"); |
5c81c7fd MK |
3874 | ret = -ETIMEDOUT; |
3875 | } else if (ret > 0) { | |
3876 | ret = 0; | |
3877 | } | |
5e3dd157 | 3878 | |
5c81c7fd MK |
3879 | out: |
3880 | /* Scan state should be updated upon scan completion but in case | |
3881 | * firmware fails to deliver the event (for whatever reason) it is | |
3882 | * desired to clean up scan state anyway. Firmware may have just | |
3883 | * dropped the scan completion event delivery due to transport pipe | |
3884 | * being overflown with data and/or it can recover on its own before | |
3885 | * next scan request is submitted. | |
3886 | */ | |
3887 | spin_lock_bh(&ar->data_lock); | |
3888 | if (ar->scan.state != ATH10K_SCAN_IDLE) | |
3889 | __ath10k_scan_finish(ar); | |
3890 | spin_unlock_bh(&ar->data_lock); | |
3891 | ||
3892 | return ret; | |
3893 | } | |
3894 | ||
3895 | static void ath10k_scan_abort(struct ath10k *ar) | |
3896 | { | |
3897 | int ret; | |
3898 | ||
3899 | lockdep_assert_held(&ar->conf_mutex); | |
5e3dd157 KV |
3900 | |
3901 | spin_lock_bh(&ar->data_lock); | |
5c81c7fd MK |
3902 | |
3903 | switch (ar->scan.state) { | |
3904 | case ATH10K_SCAN_IDLE: | |
3905 | /* This can happen if timeout worker kicked in and called | |
3906 | * abortion while scan completion was being processed. | |
3907 | */ | |
3908 | break; | |
3909 | case ATH10K_SCAN_STARTING: | |
3910 | case ATH10K_SCAN_ABORTING: | |
7aa7a72a | 3911 | ath10k_warn(ar, "refusing scan abortion due to invalid scan state: %s (%d)\n", |
5c81c7fd MK |
3912 | ath10k_scan_state_str(ar->scan.state), |
3913 | ar->scan.state); | |
3914 | break; | |
3915 | case ATH10K_SCAN_RUNNING: | |
3916 | ar->scan.state = ATH10K_SCAN_ABORTING; | |
3917 | spin_unlock_bh(&ar->data_lock); | |
3918 | ||
3919 | ret = ath10k_scan_stop(ar); | |
3920 | if (ret) | |
7aa7a72a | 3921 | ath10k_warn(ar, "failed to abort scan: %d\n", ret); |
5c81c7fd MK |
3922 | |
3923 | spin_lock_bh(&ar->data_lock); | |
3924 | break; | |
5e3dd157 | 3925 | } |
5c81c7fd | 3926 | |
5e3dd157 | 3927 | spin_unlock_bh(&ar->data_lock); |
5c81c7fd | 3928 | } |
5e3dd157 | 3929 | |
5c81c7fd MK |
3930 | void ath10k_scan_timeout_work(struct work_struct *work) |
3931 | { | |
3932 | struct ath10k *ar = container_of(work, struct ath10k, | |
3933 | scan.timeout.work); | |
3934 | ||
3935 | mutex_lock(&ar->conf_mutex); | |
3936 | ath10k_scan_abort(ar); | |
3937 | mutex_unlock(&ar->conf_mutex); | |
5e3dd157 KV |
3938 | } |
3939 | ||
3940 | static int ath10k_start_scan(struct ath10k *ar, | |
3941 | const struct wmi_start_scan_arg *arg) | |
3942 | { | |
3943 | int ret; | |
3944 | ||
3945 | lockdep_assert_held(&ar->conf_mutex); | |
3946 | ||
3947 | ret = ath10k_wmi_start_scan(ar, arg); | |
3948 | if (ret) | |
3949 | return ret; | |
3950 | ||
14e105cd | 3951 | ret = wait_for_completion_timeout(&ar->scan.started, 1 * HZ); |
5e3dd157 | 3952 | if (ret == 0) { |
5c81c7fd MK |
3953 | ret = ath10k_scan_stop(ar); |
3954 | if (ret) | |
7aa7a72a | 3955 | ath10k_warn(ar, "failed to stop scan: %d\n", ret); |
5c81c7fd MK |
3956 | |
3957 | return -ETIMEDOUT; | |
5e3dd157 KV |
3958 | } |
3959 | ||
2f9eec0b BG |
3960 | /* If we failed to start the scan, return error code at |
3961 | * this point. This is probably due to some issue in the | |
3962 | * firmware, but no need to wedge the driver due to that... | |
3963 | */ | |
3964 | spin_lock_bh(&ar->data_lock); | |
3965 | if (ar->scan.state == ATH10K_SCAN_IDLE) { | |
3966 | spin_unlock_bh(&ar->data_lock); | |
3967 | return -EINVAL; | |
3968 | } | |
3969 | spin_unlock_bh(&ar->data_lock); | |
3970 | ||
5e3dd157 KV |
3971 | return 0; |
3972 | } | |
3973 | ||
3974 | /**********************/ | |
3975 | /* mac80211 callbacks */ | |
3976 | /**********************/ | |
3977 | ||
f2f6ecab MK |
3978 | static void ath10k_mac_op_tx(struct ieee80211_hw *hw, |
3979 | struct ieee80211_tx_control *control, | |
3980 | struct sk_buff *skb) | |
5e3dd157 | 3981 | { |
4b604558 | 3982 | struct ath10k *ar = hw->priv; |
6421969f | 3983 | struct ath10k_htt *htt = &ar->htt; |
5e3dd157 | 3984 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); |
4b604558 | 3985 | struct ieee80211_vif *vif = info->control.vif; |
75d85fd9 | 3986 | struct ieee80211_sta *sta = control->sta; |
dd4717b6 | 3987 | struct ieee80211_txq *txq = NULL; |
6421969f | 3988 | struct ieee80211_hdr *hdr = (void *)skb->data; |
8a933964 | 3989 | enum ath10k_hw_txrx_mode txmode; |
6421969f MK |
3990 | enum ath10k_mac_tx_path txpath; |
3991 | bool is_htt; | |
3992 | bool is_mgmt; | |
3993 | bool is_presp; | |
f2f6ecab | 3994 | int ret; |
5e3dd157 | 3995 | |
dd4717b6 | 3996 | ath10k_mac_tx_h_fill_cb(ar, vif, txq, skb); |
5e3dd157 | 3997 | |
8a933964 | 3998 | txmode = ath10k_mac_tx_h_get_txmode(ar, vif, sta, skb); |
6421969f MK |
3999 | txpath = ath10k_mac_tx_h_get_txpath(ar, skb, txmode); |
4000 | is_htt = (txpath == ATH10K_MAC_TX_HTT || | |
4001 | txpath == ATH10K_MAC_TX_HTT_MGMT); | |
cac08552 | 4002 | is_mgmt = (txpath == ATH10K_MAC_TX_HTT_MGMT); |
5e3dd157 | 4003 | |
6421969f MK |
4004 | if (is_htt) { |
4005 | spin_lock_bh(&ar->htt.tx_lock); | |
6421969f MK |
4006 | is_presp = ieee80211_is_probe_resp(hdr->frame_control); |
4007 | ||
cac08552 | 4008 | ret = ath10k_htt_tx_inc_pending(htt); |
6421969f MK |
4009 | if (ret) { |
4010 | ath10k_warn(ar, "failed to increase tx pending count: %d, dropping\n", | |
4011 | ret); | |
4012 | spin_unlock_bh(&ar->htt.tx_lock); | |
4013 | ieee80211_free_txskb(ar->hw, skb); | |
4014 | return; | |
4015 | } | |
4016 | ||
cac08552 RM |
4017 | ret = ath10k_htt_tx_mgmt_inc_pending(htt, is_mgmt, is_presp); |
4018 | if (ret) { | |
dd7c280f RM |
4019 | ath10k_dbg(ar, ATH10K_DBG_MAC, "failed to increase tx mgmt pending count: %d, dropping\n", |
4020 | ret); | |
cac08552 RM |
4021 | ath10k_htt_tx_dec_pending(htt); |
4022 | spin_unlock_bh(&ar->htt.tx_lock); | |
4023 | ieee80211_free_txskb(ar->hw, skb); | |
4024 | return; | |
4025 | } | |
6421969f MK |
4026 | spin_unlock_bh(&ar->htt.tx_lock); |
4027 | } | |
4028 | ||
4029 | ret = ath10k_mac_tx(ar, vif, sta, txmode, txpath, skb); | |
4030 | if (ret) { | |
f2f6ecab | 4031 | ath10k_warn(ar, "failed to transmit frame: %d\n", ret); |
6421969f MK |
4032 | if (is_htt) { |
4033 | spin_lock_bh(&ar->htt.tx_lock); | |
cac08552 RM |
4034 | ath10k_htt_tx_dec_pending(htt); |
4035 | if (is_mgmt) | |
4036 | ath10k_htt_tx_mgmt_dec_pending(htt); | |
6421969f MK |
4037 | spin_unlock_bh(&ar->htt.tx_lock); |
4038 | } | |
4039 | return; | |
4040 | } | |
5e3dd157 KV |
4041 | } |
4042 | ||
29946878 MK |
4043 | static void ath10k_mac_op_wake_tx_queue(struct ieee80211_hw *hw, |
4044 | struct ieee80211_txq *txq) | |
4045 | { | |
4046 | struct ath10k *ar = hw->priv; | |
4047 | struct ath10k_txq *artxq = (void *)txq->drv_priv; | |
4048 | ||
750eeed8 MK |
4049 | spin_lock_bh(&ar->txqs_lock); |
4050 | if (list_empty(&artxq->list)) | |
4051 | list_add_tail(&artxq->list, &ar->txqs); | |
4052 | spin_unlock_bh(&ar->txqs_lock); | |
29946878 | 4053 | |
750eeed8 | 4054 | if (ath10k_mac_tx_can_push(hw, txq)) |
29946878 | 4055 | tasklet_schedule(&ar->htt.txrx_compl_task); |
c1a43d97 MK |
4056 | |
4057 | ath10k_htt_tx_txq_update(hw, txq); | |
29946878 MK |
4058 | } |
4059 | ||
bca7bafb | 4060 | /* Must not be called with conf_mutex held as workers can use that also. */ |
7962b0d8 | 4061 | void ath10k_drain_tx(struct ath10k *ar) |
bca7bafb MK |
4062 | { |
4063 | /* make sure rcu-protected mac80211 tx path itself is drained */ | |
4064 | synchronize_net(); | |
4065 | ||
4066 | ath10k_offchan_tx_purge(ar); | |
4067 | ath10k_mgmt_over_wmi_tx_purge(ar); | |
4068 | ||
4069 | cancel_work_sync(&ar->offchan_tx_work); | |
4070 | cancel_work_sync(&ar->wmi_mgmt_tx_work); | |
4071 | } | |
4072 | ||
affd3217 | 4073 | void ath10k_halt(struct ath10k *ar) |
818bdd16 | 4074 | { |
d9bc4b9b MK |
4075 | struct ath10k_vif *arvif; |
4076 | ||
818bdd16 MK |
4077 | lockdep_assert_held(&ar->conf_mutex); |
4078 | ||
1933747f MK |
4079 | clear_bit(ATH10K_CAC_RUNNING, &ar->dev_flags); |
4080 | ar->filter_flags = 0; | |
4081 | ar->monitor = false; | |
500ff9f9 | 4082 | ar->monitor_arvif = NULL; |
1933747f MK |
4083 | |
4084 | if (ar->monitor_started) | |
1bbc0975 | 4085 | ath10k_monitor_stop(ar); |
1933747f MK |
4086 | |
4087 | ar->monitor_started = false; | |
96d828d4 | 4088 | ar->tx_paused = 0; |
1bbc0975 | 4089 | |
5c81c7fd | 4090 | ath10k_scan_finish(ar); |
818bdd16 MK |
4091 | ath10k_peer_cleanup_all(ar); |
4092 | ath10k_core_stop(ar); | |
4093 | ath10k_hif_power_down(ar); | |
4094 | ||
4095 | spin_lock_bh(&ar->data_lock); | |
64badcb6 MK |
4096 | list_for_each_entry(arvif, &ar->arvifs, list) |
4097 | ath10k_mac_vif_beacon_cleanup(arvif); | |
818bdd16 MK |
4098 | spin_unlock_bh(&ar->data_lock); |
4099 | } | |
4100 | ||
46acf7bb BG |
4101 | static int ath10k_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant) |
4102 | { | |
4103 | struct ath10k *ar = hw->priv; | |
4104 | ||
4105 | mutex_lock(&ar->conf_mutex); | |
4106 | ||
166de3f1 RM |
4107 | *tx_ant = ar->cfg_tx_chainmask; |
4108 | *rx_ant = ar->cfg_rx_chainmask; | |
46acf7bb BG |
4109 | |
4110 | mutex_unlock(&ar->conf_mutex); | |
4111 | ||
4112 | return 0; | |
4113 | } | |
4114 | ||
5572a95b BG |
4115 | static void ath10k_check_chain_mask(struct ath10k *ar, u32 cm, const char *dbg) |
4116 | { | |
4117 | /* It is not clear that allowing gaps in chainmask | |
4118 | * is helpful. Probably it will not do what user | |
4119 | * is hoping for, so warn in that case. | |
4120 | */ | |
4121 | if (cm == 15 || cm == 7 || cm == 3 || cm == 1 || cm == 0) | |
4122 | return; | |
4123 | ||
4124 | ath10k_warn(ar, "mac %s antenna chainmask may be invalid: 0x%x. Suggested values: 15, 7, 3, 1 or 0.\n", | |
4125 | dbg, cm); | |
4126 | } | |
4127 | ||
f58512f3 RM |
4128 | static int ath10k_mac_get_vht_cap_bf_sts(struct ath10k *ar) |
4129 | { | |
4130 | int nsts = ar->vht_cap_info; | |
4131 | ||
4132 | nsts &= IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK; | |
4133 | nsts >>= IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT; | |
4134 | ||
4135 | /* If firmware does not deliver to host number of space-time | |
4136 | * streams supported, assume it support up to 4 BF STS and return | |
4137 | * the value for VHT CAP: nsts-1) | |
4138 | */ | |
4139 | if (nsts == 0) | |
4140 | return 3; | |
4141 | ||
4142 | return nsts; | |
4143 | } | |
4144 | ||
4145 | static int ath10k_mac_get_vht_cap_bf_sound_dim(struct ath10k *ar) | |
4146 | { | |
4147 | int sound_dim = ar->vht_cap_info; | |
4148 | ||
4149 | sound_dim &= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK; | |
4150 | sound_dim >>= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT; | |
4151 | ||
4152 | /* If the sounding dimension is not advertised by the firmware, | |
4153 | * let's use a default value of 1 | |
4154 | */ | |
4155 | if (sound_dim == 0) | |
4156 | return 1; | |
4157 | ||
4158 | return sound_dim; | |
4159 | } | |
4160 | ||
4161 | static struct ieee80211_sta_vht_cap ath10k_create_vht_cap(struct ath10k *ar) | |
4162 | { | |
4163 | struct ieee80211_sta_vht_cap vht_cap = {0}; | |
4164 | u16 mcs_map; | |
4165 | u32 val; | |
4166 | int i; | |
4167 | ||
4168 | vht_cap.vht_supported = 1; | |
4169 | vht_cap.cap = ar->vht_cap_info; | |
4170 | ||
4171 | if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE | | |
4172 | IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)) { | |
4173 | val = ath10k_mac_get_vht_cap_bf_sts(ar); | |
4174 | val <<= IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT; | |
4175 | val &= IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK; | |
4176 | ||
4177 | vht_cap.cap |= val; | |
4178 | } | |
4179 | ||
4180 | if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE | | |
4181 | IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)) { | |
4182 | val = ath10k_mac_get_vht_cap_bf_sound_dim(ar); | |
4183 | val <<= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT; | |
4184 | val &= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK; | |
4185 | ||
4186 | vht_cap.cap |= val; | |
4187 | } | |
4188 | ||
4189 | mcs_map = 0; | |
4190 | for (i = 0; i < 8; i++) { | |
4191 | if ((i < ar->num_rf_chains) && (ar->cfg_tx_chainmask & BIT(i))) | |
4192 | mcs_map |= IEEE80211_VHT_MCS_SUPPORT_0_9 << (i * 2); | |
4193 | else | |
4194 | mcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << (i * 2); | |
4195 | } | |
4196 | ||
4197 | vht_cap.vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map); | |
4198 | vht_cap.vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map); | |
4199 | ||
4200 | return vht_cap; | |
4201 | } | |
4202 | ||
4203 | static struct ieee80211_sta_ht_cap ath10k_get_ht_cap(struct ath10k *ar) | |
4204 | { | |
4205 | int i; | |
4206 | struct ieee80211_sta_ht_cap ht_cap = {0}; | |
4207 | ||
4208 | if (!(ar->ht_cap_info & WMI_HT_CAP_ENABLED)) | |
4209 | return ht_cap; | |
4210 | ||
4211 | ht_cap.ht_supported = 1; | |
4212 | ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; | |
4213 | ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_8; | |
4214 | ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; | |
4215 | ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40; | |
e33a99e2 PO |
4216 | ht_cap.cap |= |
4217 | WLAN_HT_CAP_SM_PS_DISABLED << IEEE80211_HT_CAP_SM_PS_SHIFT; | |
f58512f3 RM |
4218 | |
4219 | if (ar->ht_cap_info & WMI_HT_CAP_HT20_SGI) | |
4220 | ht_cap.cap |= IEEE80211_HT_CAP_SGI_20; | |
4221 | ||
4222 | if (ar->ht_cap_info & WMI_HT_CAP_HT40_SGI) | |
4223 | ht_cap.cap |= IEEE80211_HT_CAP_SGI_40; | |
4224 | ||
4225 | if (ar->ht_cap_info & WMI_HT_CAP_DYNAMIC_SMPS) { | |
4226 | u32 smps; | |
4227 | ||
4228 | smps = WLAN_HT_CAP_SM_PS_DYNAMIC; | |
4229 | smps <<= IEEE80211_HT_CAP_SM_PS_SHIFT; | |
4230 | ||
4231 | ht_cap.cap |= smps; | |
4232 | } | |
4233 | ||
4234 | if (ar->ht_cap_info & WMI_HT_CAP_TX_STBC) | |
4235 | ht_cap.cap |= IEEE80211_HT_CAP_TX_STBC; | |
4236 | ||
4237 | if (ar->ht_cap_info & WMI_HT_CAP_RX_STBC) { | |
4238 | u32 stbc; | |
4239 | ||
4240 | stbc = ar->ht_cap_info; | |
4241 | stbc &= WMI_HT_CAP_RX_STBC; | |
4242 | stbc >>= WMI_HT_CAP_RX_STBC_MASK_SHIFT; | |
4243 | stbc <<= IEEE80211_HT_CAP_RX_STBC_SHIFT; | |
4244 | stbc &= IEEE80211_HT_CAP_RX_STBC; | |
4245 | ||
4246 | ht_cap.cap |= stbc; | |
4247 | } | |
4248 | ||
4249 | if (ar->ht_cap_info & WMI_HT_CAP_LDPC) | |
4250 | ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING; | |
4251 | ||
4252 | if (ar->ht_cap_info & WMI_HT_CAP_L_SIG_TXOP_PROT) | |
4253 | ht_cap.cap |= IEEE80211_HT_CAP_LSIG_TXOP_PROT; | |
4254 | ||
4255 | /* max AMSDU is implicitly taken from vht_cap_info */ | |
4256 | if (ar->vht_cap_info & WMI_VHT_CAP_MAX_MPDU_LEN_MASK) | |
4257 | ht_cap.cap |= IEEE80211_HT_CAP_MAX_AMSDU; | |
4258 | ||
4259 | for (i = 0; i < ar->num_rf_chains; i++) { | |
4260 | if (ar->cfg_rx_chainmask & BIT(i)) | |
4261 | ht_cap.mcs.rx_mask[i] = 0xFF; | |
4262 | } | |
4263 | ||
4264 | ht_cap.mcs.tx_params |= IEEE80211_HT_MCS_TX_DEFINED; | |
4265 | ||
4266 | return ht_cap; | |
4267 | } | |
4268 | ||
5036fe0f RM |
4269 | static void ath10k_mac_setup_ht_vht_cap(struct ath10k *ar) |
4270 | { | |
4271 | struct ieee80211_supported_band *band; | |
4272 | struct ieee80211_sta_vht_cap vht_cap; | |
4273 | struct ieee80211_sta_ht_cap ht_cap; | |
4274 | ||
4275 | ht_cap = ath10k_get_ht_cap(ar); | |
4276 | vht_cap = ath10k_create_vht_cap(ar); | |
4277 | ||
4278 | if (ar->phy_capability & WHAL_WLAN_11G_CAPABILITY) { | |
57fbcce3 | 4279 | band = &ar->mac.sbands[NL80211_BAND_2GHZ]; |
5036fe0f | 4280 | band->ht_cap = ht_cap; |
5036fe0f RM |
4281 | } |
4282 | if (ar->phy_capability & WHAL_WLAN_11A_CAPABILITY) { | |
57fbcce3 | 4283 | band = &ar->mac.sbands[NL80211_BAND_5GHZ]; |
5036fe0f RM |
4284 | band->ht_cap = ht_cap; |
4285 | band->vht_cap = vht_cap; | |
4286 | } | |
4287 | } | |
4288 | ||
46acf7bb BG |
4289 | static int __ath10k_set_antenna(struct ath10k *ar, u32 tx_ant, u32 rx_ant) |
4290 | { | |
4291 | int ret; | |
4292 | ||
4293 | lockdep_assert_held(&ar->conf_mutex); | |
4294 | ||
5572a95b BG |
4295 | ath10k_check_chain_mask(ar, tx_ant, "tx"); |
4296 | ath10k_check_chain_mask(ar, rx_ant, "rx"); | |
4297 | ||
46acf7bb BG |
4298 | ar->cfg_tx_chainmask = tx_ant; |
4299 | ar->cfg_rx_chainmask = rx_ant; | |
4300 | ||
4301 | if ((ar->state != ATH10K_STATE_ON) && | |
4302 | (ar->state != ATH10K_STATE_RESTARTED)) | |
4303 | return 0; | |
4304 | ||
4305 | ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->tx_chain_mask, | |
4306 | tx_ant); | |
4307 | if (ret) { | |
7aa7a72a | 4308 | ath10k_warn(ar, "failed to set tx-chainmask: %d, req 0x%x\n", |
46acf7bb BG |
4309 | ret, tx_ant); |
4310 | return ret; | |
4311 | } | |
4312 | ||
4313 | ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->rx_chain_mask, | |
4314 | rx_ant); | |
4315 | if (ret) { | |
7aa7a72a | 4316 | ath10k_warn(ar, "failed to set rx-chainmask: %d, req 0x%x\n", |
46acf7bb BG |
4317 | ret, rx_ant); |
4318 | return ret; | |
4319 | } | |
4320 | ||
5036fe0f RM |
4321 | /* Reload HT/VHT capability */ |
4322 | ath10k_mac_setup_ht_vht_cap(ar); | |
4323 | ||
46acf7bb BG |
4324 | return 0; |
4325 | } | |
4326 | ||
4327 | static int ath10k_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) | |
4328 | { | |
4329 | struct ath10k *ar = hw->priv; | |
4330 | int ret; | |
4331 | ||
4332 | mutex_lock(&ar->conf_mutex); | |
4333 | ret = __ath10k_set_antenna(ar, tx_ant, rx_ant); | |
4334 | mutex_unlock(&ar->conf_mutex); | |
4335 | return ret; | |
4336 | } | |
4337 | ||
5e3dd157 KV |
4338 | static int ath10k_start(struct ieee80211_hw *hw) |
4339 | { | |
4340 | struct ath10k *ar = hw->priv; | |
1fe374f5 | 4341 | u32 param; |
818bdd16 | 4342 | int ret = 0; |
5e3dd157 | 4343 | |
bca7bafb MK |
4344 | /* |
4345 | * This makes sense only when restarting hw. It is harmless to call | |
6dfdbfc7 | 4346 | * unconditionally. This is necessary to make sure no HTT/WMI tx |
bca7bafb MK |
4347 | * commands will be submitted while restarting. |
4348 | */ | |
4349 | ath10k_drain_tx(ar); | |
4350 | ||
548db54c MK |
4351 | mutex_lock(&ar->conf_mutex); |
4352 | ||
c5058f5b MK |
4353 | switch (ar->state) { |
4354 | case ATH10K_STATE_OFF: | |
4355 | ar->state = ATH10K_STATE_ON; | |
4356 | break; | |
4357 | case ATH10K_STATE_RESTARTING: | |
4358 | ath10k_halt(ar); | |
4359 | ar->state = ATH10K_STATE_RESTARTED; | |
4360 | break; | |
4361 | case ATH10K_STATE_ON: | |
4362 | case ATH10K_STATE_RESTARTED: | |
4363 | case ATH10K_STATE_WEDGED: | |
4364 | WARN_ON(1); | |
818bdd16 | 4365 | ret = -EINVAL; |
ae254433 | 4366 | goto err; |
43d2a30f KV |
4367 | case ATH10K_STATE_UTF: |
4368 | ret = -EBUSY; | |
4369 | goto err; | |
818bdd16 MK |
4370 | } |
4371 | ||
4372 | ret = ath10k_hif_power_up(ar); | |
4373 | if (ret) { | |
7aa7a72a | 4374 | ath10k_err(ar, "Could not init hif: %d\n", ret); |
ae254433 | 4375 | goto err_off; |
818bdd16 MK |
4376 | } |
4377 | ||
7ebf721d KV |
4378 | ret = ath10k_core_start(ar, ATH10K_FIRMWARE_MODE_NORMAL, |
4379 | &ar->normal_mode_fw); | |
818bdd16 | 4380 | if (ret) { |
7aa7a72a | 4381 | ath10k_err(ar, "Could not init core: %d\n", ret); |
ae254433 | 4382 | goto err_power_down; |
818bdd16 MK |
4383 | } |
4384 | ||
1fe374f5 MSS |
4385 | param = ar->wmi.pdev_param->pmf_qos; |
4386 | ret = ath10k_wmi_pdev_set_param(ar, param, 1); | |
ae254433 | 4387 | if (ret) { |
7aa7a72a | 4388 | ath10k_warn(ar, "failed to enable PMF QOS: %d\n", ret); |
ae254433 MK |
4389 | goto err_core_stop; |
4390 | } | |
5e3dd157 | 4391 | |
1fe374f5 MSS |
4392 | param = ar->wmi.pdev_param->dynamic_bw; |
4393 | ret = ath10k_wmi_pdev_set_param(ar, param, 1); | |
ae254433 | 4394 | if (ret) { |
7aa7a72a | 4395 | ath10k_warn(ar, "failed to enable dynamic BW: %d\n", ret); |
ae254433 MK |
4396 | goto err_core_stop; |
4397 | } | |
5e3dd157 | 4398 | |
cf32784c MK |
4399 | if (test_bit(WMI_SERVICE_ADAPTIVE_OCS, ar->wmi.svc_map)) { |
4400 | ret = ath10k_wmi_adaptive_qcs(ar, true); | |
4401 | if (ret) { | |
4402 | ath10k_warn(ar, "failed to enable adaptive qcs: %d\n", | |
4403 | ret); | |
4404 | goto err_core_stop; | |
4405 | } | |
4406 | } | |
4407 | ||
24ab13ef | 4408 | if (test_bit(WMI_SERVICE_BURST, ar->wmi.svc_map)) { |
1fe374f5 MSS |
4409 | param = ar->wmi.pdev_param->burst_enable; |
4410 | ret = ath10k_wmi_pdev_set_param(ar, param, 0); | |
24ab13ef JD |
4411 | if (ret) { |
4412 | ath10k_warn(ar, "failed to disable burst: %d\n", ret); | |
4413 | goto err_core_stop; | |
4414 | } | |
4415 | } | |
4416 | ||
166de3f1 | 4417 | __ath10k_set_antenna(ar, ar->cfg_tx_chainmask, ar->cfg_rx_chainmask); |
46acf7bb | 4418 | |
ab6258ed MP |
4419 | /* |
4420 | * By default FW set ARP frames ac to voice (6). In that case ARP | |
4421 | * exchange is not working properly for UAPSD enabled AP. ARP requests | |
4422 | * which arrives with access category 0 are processed by network stack | |
4423 | * and send back with access category 0, but FW changes access category | |
4424 | * to 6. Set ARP frames access category to best effort (0) solves | |
4425 | * this problem. | |
4426 | */ | |
4427 | ||
1fe374f5 MSS |
4428 | param = ar->wmi.pdev_param->arp_ac_override; |
4429 | ret = ath10k_wmi_pdev_set_param(ar, param, 0); | |
ab6258ed | 4430 | if (ret) { |
7aa7a72a | 4431 | ath10k_warn(ar, "failed to set arp ac override parameter: %d\n", |
ab6258ed | 4432 | ret); |
ae254433 | 4433 | goto err_core_stop; |
ab6258ed MP |
4434 | } |
4435 | ||
62f77f09 | 4436 | if (test_bit(ATH10K_FW_FEATURE_SUPPORTS_ADAPTIVE_CCA, |
c4cdf753 | 4437 | ar->running_fw->fw_file.fw_features)) { |
62f77f09 M |
4438 | ret = ath10k_wmi_pdev_enable_adaptive_cca(ar, 1, |
4439 | WMI_CCA_DETECT_LEVEL_AUTO, | |
4440 | WMI_CCA_DETECT_MARGIN_AUTO); | |
4441 | if (ret) { | |
4442 | ath10k_warn(ar, "failed to enable adaptive cca: %d\n", | |
4443 | ret); | |
4444 | goto err_core_stop; | |
4445 | } | |
4446 | } | |
4447 | ||
1fe374f5 MSS |
4448 | param = ar->wmi.pdev_param->ani_enable; |
4449 | ret = ath10k_wmi_pdev_set_param(ar, param, 1); | |
575f1c3d ARN |
4450 | if (ret) { |
4451 | ath10k_warn(ar, "failed to enable ani by default: %d\n", | |
4452 | ret); | |
4453 | goto err_core_stop; | |
4454 | } | |
4455 | ||
b3e71d7a ARN |
4456 | ar->ani_enabled = true; |
4457 | ||
cc61a1bb | 4458 | if (ath10k_peer_stats_enabled(ar)) { |
8351c052 MSS |
4459 | param = ar->wmi.pdev_param->peer_stats_update_period; |
4460 | ret = ath10k_wmi_pdev_set_param(ar, param, | |
4461 | PEER_DEFAULT_STATS_UPDATE_PERIOD); | |
4462 | if (ret) { | |
4463 | ath10k_warn(ar, | |
4464 | "failed to set peer stats period : %d\n", | |
4465 | ret); | |
4466 | goto err_core_stop; | |
4467 | } | |
4468 | } | |
4469 | ||
d650097b | 4470 | ar->num_started_vdevs = 0; |
f7843d7f MK |
4471 | ath10k_regd_update(ar); |
4472 | ||
855aed12 | 4473 | ath10k_spectral_start(ar); |
8515b5c7 | 4474 | ath10k_thermal_set_throttling(ar); |
855aed12 | 4475 | |
ae254433 MK |
4476 | mutex_unlock(&ar->conf_mutex); |
4477 | return 0; | |
4478 | ||
4479 | err_core_stop: | |
4480 | ath10k_core_stop(ar); | |
4481 | ||
4482 | err_power_down: | |
4483 | ath10k_hif_power_down(ar); | |
4484 | ||
4485 | err_off: | |
4486 | ar->state = ATH10K_STATE_OFF; | |
4487 | ||
4488 | err: | |
548db54c | 4489 | mutex_unlock(&ar->conf_mutex); |
c60bdd83 | 4490 | return ret; |
5e3dd157 KV |
4491 | } |
4492 | ||
4493 | static void ath10k_stop(struct ieee80211_hw *hw) | |
4494 | { | |
4495 | struct ath10k *ar = hw->priv; | |
4496 | ||
bca7bafb MK |
4497 | ath10k_drain_tx(ar); |
4498 | ||
548db54c | 4499 | mutex_lock(&ar->conf_mutex); |
c5058f5b | 4500 | if (ar->state != ATH10K_STATE_OFF) { |
818bdd16 | 4501 | ath10k_halt(ar); |
c5058f5b MK |
4502 | ar->state = ATH10K_STATE_OFF; |
4503 | } | |
548db54c MK |
4504 | mutex_unlock(&ar->conf_mutex); |
4505 | ||
5c81c7fd | 4506 | cancel_delayed_work_sync(&ar->scan.timeout); |
affd3217 | 4507 | cancel_work_sync(&ar->restart_work); |
5e3dd157 KV |
4508 | } |
4509 | ||
ad088bfa | 4510 | static int ath10k_config_ps(struct ath10k *ar) |
5e3dd157 | 4511 | { |
ad088bfa MK |
4512 | struct ath10k_vif *arvif; |
4513 | int ret = 0; | |
affd3217 MK |
4514 | |
4515 | lockdep_assert_held(&ar->conf_mutex); | |
4516 | ||
ad088bfa MK |
4517 | list_for_each_entry(arvif, &ar->arvifs, list) { |
4518 | ret = ath10k_mac_vif_setup_ps(arvif); | |
4519 | if (ret) { | |
7aa7a72a | 4520 | ath10k_warn(ar, "failed to setup powersave: %d\n", ret); |
ad088bfa MK |
4521 | break; |
4522 | } | |
4523 | } | |
affd3217 | 4524 | |
ad088bfa | 4525 | return ret; |
affd3217 MK |
4526 | } |
4527 | ||
7d9d5587 MK |
4528 | static int ath10k_mac_txpower_setup(struct ath10k *ar, int txpower) |
4529 | { | |
4530 | int ret; | |
4531 | u32 param; | |
4532 | ||
4533 | lockdep_assert_held(&ar->conf_mutex); | |
4534 | ||
4535 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac txpower %d\n", txpower); | |
4536 | ||
4537 | param = ar->wmi.pdev_param->txpower_limit2g; | |
4538 | ret = ath10k_wmi_pdev_set_param(ar, param, txpower * 2); | |
4539 | if (ret) { | |
4540 | ath10k_warn(ar, "failed to set 2g txpower %d: %d\n", | |
4541 | txpower, ret); | |
4542 | return ret; | |
4543 | } | |
4544 | ||
4545 | param = ar->wmi.pdev_param->txpower_limit5g; | |
4546 | ret = ath10k_wmi_pdev_set_param(ar, param, txpower * 2); | |
4547 | if (ret) { | |
4548 | ath10k_warn(ar, "failed to set 5g txpower %d: %d\n", | |
4549 | txpower, ret); | |
4550 | return ret; | |
4551 | } | |
4552 | ||
4553 | return 0; | |
4554 | } | |
4555 | ||
4556 | static int ath10k_mac_txpower_recalc(struct ath10k *ar) | |
4557 | { | |
4558 | struct ath10k_vif *arvif; | |
4559 | int ret, txpower = -1; | |
4560 | ||
4561 | lockdep_assert_held(&ar->conf_mutex); | |
4562 | ||
4563 | list_for_each_entry(arvif, &ar->arvifs, list) { | |
4564 | WARN_ON(arvif->txpower < 0); | |
4565 | ||
4566 | if (txpower == -1) | |
4567 | txpower = arvif->txpower; | |
4568 | else | |
4569 | txpower = min(txpower, arvif->txpower); | |
4570 | } | |
4571 | ||
4572 | if (WARN_ON(txpower == -1)) | |
4573 | return -EINVAL; | |
4574 | ||
4575 | ret = ath10k_mac_txpower_setup(ar, txpower); | |
4576 | if (ret) { | |
4577 | ath10k_warn(ar, "failed to setup tx power %d: %d\n", | |
4578 | txpower, ret); | |
4579 | return ret; | |
4580 | } | |
4581 | ||
4582 | return 0; | |
4583 | } | |
4584 | ||
affd3217 MK |
4585 | static int ath10k_config(struct ieee80211_hw *hw, u32 changed) |
4586 | { | |
5e3dd157 KV |
4587 | struct ath10k *ar = hw->priv; |
4588 | struct ieee80211_conf *conf = &hw->conf; | |
4589 | int ret = 0; | |
5e3dd157 KV |
4590 | |
4591 | mutex_lock(&ar->conf_mutex); | |
4592 | ||
affd3217 MK |
4593 | if (changed & IEEE80211_CONF_CHANGE_PS) |
4594 | ath10k_config_ps(ar); | |
5e3dd157 KV |
4595 | |
4596 | if (changed & IEEE80211_CONF_CHANGE_MONITOR) { | |
1933747f MK |
4597 | ar->monitor = conf->flags & IEEE80211_CONF_MONITOR; |
4598 | ret = ath10k_monitor_recalc(ar); | |
4599 | if (ret) | |
4600 | ath10k_warn(ar, "failed to recalc monitor: %d\n", ret); | |
5e3dd157 KV |
4601 | } |
4602 | ||
4603 | mutex_unlock(&ar->conf_mutex); | |
4604 | return ret; | |
4605 | } | |
4606 | ||
5572a95b BG |
4607 | static u32 get_nss_from_chainmask(u16 chain_mask) |
4608 | { | |
f680f70a | 4609 | if ((chain_mask & 0xf) == 0xf) |
5572a95b BG |
4610 | return 4; |
4611 | else if ((chain_mask & 0x7) == 0x7) | |
4612 | return 3; | |
4613 | else if ((chain_mask & 0x3) == 0x3) | |
4614 | return 2; | |
4615 | return 1; | |
4616 | } | |
4617 | ||
a48e2cc8 VN |
4618 | static int ath10k_mac_set_txbf_conf(struct ath10k_vif *arvif) |
4619 | { | |
4620 | u32 value = 0; | |
4621 | struct ath10k *ar = arvif->ar; | |
707a0c81 | 4622 | int nsts; |
0c6d6f26 | 4623 | int sound_dim; |
a48e2cc8 VN |
4624 | |
4625 | if (ath10k_wmi_get_txbf_conf_scheme(ar) != WMI_TXBF_CONF_BEFORE_ASSOC) | |
4626 | return 0; | |
4627 | ||
707a0c81 | 4628 | nsts = ath10k_mac_get_vht_cap_bf_sts(ar); |
a48e2cc8 VN |
4629 | if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE | |
4630 | IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)) | |
707a0c81 | 4631 | value |= SM(nsts, WMI_TXBF_STS_CAP_OFFSET); |
a48e2cc8 | 4632 | |
0c6d6f26 | 4633 | sound_dim = ath10k_mac_get_vht_cap_bf_sound_dim(ar); |
a48e2cc8 VN |
4634 | if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE | |
4635 | IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)) | |
0c6d6f26 | 4636 | value |= SM(sound_dim, WMI_BF_SOUND_DIM_OFFSET); |
a48e2cc8 VN |
4637 | |
4638 | if (!value) | |
4639 | return 0; | |
4640 | ||
4641 | if (ar->vht_cap_info & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE) | |
4642 | value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFER; | |
4643 | ||
4644 | if (ar->vht_cap_info & IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE) | |
4645 | value |= (WMI_VDEV_PARAM_TXBF_MU_TX_BFER | | |
4646 | WMI_VDEV_PARAM_TXBF_SU_TX_BFER); | |
4647 | ||
4648 | if (ar->vht_cap_info & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE) | |
4649 | value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFEE; | |
4650 | ||
4651 | if (ar->vht_cap_info & IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE) | |
4652 | value |= (WMI_VDEV_PARAM_TXBF_MU_TX_BFEE | | |
4653 | WMI_VDEV_PARAM_TXBF_SU_TX_BFEE); | |
4654 | ||
4655 | return ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, | |
4656 | ar->wmi.vdev_param->txbf, value); | |
4657 | } | |
4658 | ||
5e3dd157 KV |
4659 | /* |
4660 | * TODO: | |
4661 | * Figure out how to handle WMI_VDEV_SUBTYPE_P2P_DEVICE, | |
4662 | * because we will send mgmt frames without CCK. This requirement | |
4663 | * for P2P_FIND/GO_NEG should be handled by checking CCK flag | |
4664 | * in the TX packet. | |
4665 | */ | |
4666 | static int ath10k_add_interface(struct ieee80211_hw *hw, | |
4667 | struct ieee80211_vif *vif) | |
4668 | { | |
4669 | struct ath10k *ar = hw->priv; | |
4670 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
bb8f0c6a | 4671 | struct ath10k_peer *peer; |
5e3dd157 KV |
4672 | enum wmi_sta_powersave_param param; |
4673 | int ret = 0; | |
5a13e76e | 4674 | u32 value; |
5e3dd157 | 4675 | int bit; |
96d828d4 | 4676 | int i; |
6d1506e7 | 4677 | u32 vdev_param; |
5e3dd157 | 4678 | |
848955cc JB |
4679 | vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD; |
4680 | ||
5e3dd157 KV |
4681 | mutex_lock(&ar->conf_mutex); |
4682 | ||
0dbd09e6 | 4683 | memset(arvif, 0, sizeof(*arvif)); |
29946878 | 4684 | ath10k_mac_txq_init(vif->txq); |
0dbd09e6 | 4685 | |
5e3dd157 KV |
4686 | arvif->ar = ar; |
4687 | arvif->vif = vif; | |
4688 | ||
e63b33f3 | 4689 | INIT_LIST_HEAD(&arvif->list); |
81a9a17d | 4690 | INIT_WORK(&arvif->ap_csa_work, ath10k_mac_vif_ap_csa_work); |
cc9904e6 MK |
4691 | INIT_DELAYED_WORK(&arvif->connection_loss_work, |
4692 | ath10k_mac_vif_sta_connection_loss_work); | |
cc4827b9 | 4693 | |
45c9abc0 MK |
4694 | for (i = 0; i < ARRAY_SIZE(arvif->bitrate_mask.control); i++) { |
4695 | arvif->bitrate_mask.control[i].legacy = 0xffffffff; | |
4696 | memset(arvif->bitrate_mask.control[i].ht_mcs, 0xff, | |
4697 | sizeof(arvif->bitrate_mask.control[i].ht_mcs)); | |
4698 | memset(arvif->bitrate_mask.control[i].vht_mcs, 0xff, | |
4699 | sizeof(arvif->bitrate_mask.control[i].vht_mcs)); | |
4700 | } | |
cc4827b9 | 4701 | |
e04cafbc MK |
4702 | if (ar->num_peers >= ar->max_num_peers) { |
4703 | ath10k_warn(ar, "refusing vdev creation due to insufficient peer entry resources in firmware\n"); | |
503422d9 MK |
4704 | ret = -ENOBUFS; |
4705 | goto err; | |
e04cafbc MK |
4706 | } |
4707 | ||
a9aefb3b | 4708 | if (ar->free_vdev_map == 0) { |
7aa7a72a | 4709 | ath10k_warn(ar, "Free vdev map is empty, no more interfaces allowed.\n"); |
5e3dd157 | 4710 | ret = -EBUSY; |
9dad14ae | 4711 | goto err; |
5e3dd157 | 4712 | } |
16c11176 | 4713 | bit = __ffs64(ar->free_vdev_map); |
5e3dd157 | 4714 | |
16c11176 BG |
4715 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac create vdev %i map %llx\n", |
4716 | bit, ar->free_vdev_map); | |
5e3dd157 | 4717 | |
16c11176 | 4718 | arvif->vdev_id = bit; |
6e4de1a4 PO |
4719 | arvif->vdev_subtype = |
4720 | ath10k_wmi_get_vdev_subtype(ar, WMI_VDEV_SUBTYPE_NONE); | |
5e3dd157 | 4721 | |
5e3dd157 | 4722 | switch (vif->type) { |
75d2bd48 MK |
4723 | case NL80211_IFTYPE_P2P_DEVICE: |
4724 | arvif->vdev_type = WMI_VDEV_TYPE_STA; | |
6e4de1a4 PO |
4725 | arvif->vdev_subtype = ath10k_wmi_get_vdev_subtype |
4726 | (ar, WMI_VDEV_SUBTYPE_P2P_DEVICE); | |
75d2bd48 | 4727 | break; |
5e3dd157 KV |
4728 | case NL80211_IFTYPE_UNSPECIFIED: |
4729 | case NL80211_IFTYPE_STATION: | |
4730 | arvif->vdev_type = WMI_VDEV_TYPE_STA; | |
4731 | if (vif->p2p) | |
6e4de1a4 PO |
4732 | arvif->vdev_subtype = ath10k_wmi_get_vdev_subtype |
4733 | (ar, WMI_VDEV_SUBTYPE_P2P_CLIENT); | |
5e3dd157 KV |
4734 | break; |
4735 | case NL80211_IFTYPE_ADHOC: | |
4736 | arvif->vdev_type = WMI_VDEV_TYPE_IBSS; | |
4737 | break; | |
b6c7bafa | 4738 | case NL80211_IFTYPE_MESH_POINT: |
0b3d76e9 | 4739 | if (test_bit(WMI_SERVICE_MESH_11S, ar->wmi.svc_map)) { |
6e4de1a4 PO |
4740 | arvif->vdev_subtype = ath10k_wmi_get_vdev_subtype |
4741 | (ar, WMI_VDEV_SUBTYPE_MESH_11S); | |
bb58b89c | 4742 | } else if (!test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) { |
b6c7bafa BC |
4743 | ret = -EINVAL; |
4744 | ath10k_warn(ar, "must load driver with rawmode=1 to add mesh interfaces\n"); | |
4745 | goto err; | |
4746 | } | |
4747 | arvif->vdev_type = WMI_VDEV_TYPE_AP; | |
4748 | break; | |
5e3dd157 KV |
4749 | case NL80211_IFTYPE_AP: |
4750 | arvif->vdev_type = WMI_VDEV_TYPE_AP; | |
4751 | ||
4752 | if (vif->p2p) | |
6e4de1a4 PO |
4753 | arvif->vdev_subtype = ath10k_wmi_get_vdev_subtype |
4754 | (ar, WMI_VDEV_SUBTYPE_P2P_GO); | |
5e3dd157 KV |
4755 | break; |
4756 | case NL80211_IFTYPE_MONITOR: | |
4757 | arvif->vdev_type = WMI_VDEV_TYPE_MONITOR; | |
4758 | break; | |
4759 | default: | |
4760 | WARN_ON(1); | |
4761 | break; | |
4762 | } | |
4763 | ||
96d828d4 MK |
4764 | /* Using vdev_id as queue number will make it very easy to do per-vif |
4765 | * tx queue locking. This shouldn't wrap due to interface combinations | |
4766 | * but do a modulo for correctness sake and prevent using offchannel tx | |
4767 | * queues for regular vif tx. | |
4768 | */ | |
4769 | vif->cab_queue = arvif->vdev_id % (IEEE80211_MAX_QUEUES - 1); | |
4770 | for (i = 0; i < ARRAY_SIZE(vif->hw_queue); i++) | |
4771 | vif->hw_queue[i] = arvif->vdev_id % (IEEE80211_MAX_QUEUES - 1); | |
4772 | ||
64badcb6 MK |
4773 | /* Some firmware revisions don't wait for beacon tx completion before |
4774 | * sending another SWBA event. This could lead to hardware using old | |
4775 | * (freed) beacon data in some cases, e.g. tx credit starvation | |
4776 | * combined with missed TBTT. This is very very rare. | |
4777 | * | |
4778 | * On non-IOMMU-enabled hosts this could be a possible security issue | |
4779 | * because hw could beacon some random data on the air. On | |
4780 | * IOMMU-enabled hosts DMAR faults would occur in most cases and target | |
4781 | * device would crash. | |
4782 | * | |
4783 | * Since there are no beacon tx completions (implicit nor explicit) | |
4784 | * propagated to host the only workaround for this is to allocate a | |
4785 | * DMA-coherent buffer for a lifetime of a vif and use it for all | |
4786 | * beacon tx commands. Worst case for this approach is some beacons may | |
4787 | * become corrupted, e.g. have garbled IEs or out-of-date TIM bitmap. | |
4788 | */ | |
4789 | if (vif->type == NL80211_IFTYPE_ADHOC || | |
b6c7bafa | 4790 | vif->type == NL80211_IFTYPE_MESH_POINT || |
64badcb6 MK |
4791 | vif->type == NL80211_IFTYPE_AP) { |
4792 | arvif->beacon_buf = dma_zalloc_coherent(ar->dev, | |
4793 | IEEE80211_MAX_FRAME_LEN, | |
4794 | &arvif->beacon_paddr, | |
82d7aba7 | 4795 | GFP_ATOMIC); |
64badcb6 MK |
4796 | if (!arvif->beacon_buf) { |
4797 | ret = -ENOMEM; | |
4798 | ath10k_warn(ar, "failed to allocate beacon buffer: %d\n", | |
4799 | ret); | |
4800 | goto err; | |
4801 | } | |
4802 | } | |
ccec9038 DL |
4803 | if (test_bit(ATH10K_FLAG_HW_CRYPTO_DISABLED, &ar->dev_flags)) |
4804 | arvif->nohwcrypt = true; | |
4805 | ||
4806 | if (arvif->nohwcrypt && | |
4807 | !test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) { | |
4808 | ath10k_warn(ar, "cryptmode module param needed for sw crypto\n"); | |
4809 | goto err; | |
4810 | } | |
64badcb6 MK |
4811 | |
4812 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev create %d (add interface) type %d subtype %d bcnmode %s\n", | |
4813 | arvif->vdev_id, arvif->vdev_type, arvif->vdev_subtype, | |
4814 | arvif->beacon_buf ? "single-buf" : "per-skb"); | |
5e3dd157 KV |
4815 | |
4816 | ret = ath10k_wmi_vdev_create(ar, arvif->vdev_id, arvif->vdev_type, | |
4817 | arvif->vdev_subtype, vif->addr); | |
4818 | if (ret) { | |
7aa7a72a | 4819 | ath10k_warn(ar, "failed to create WMI vdev %i: %d\n", |
69244e56 | 4820 | arvif->vdev_id, ret); |
9dad14ae | 4821 | goto err; |
5e3dd157 KV |
4822 | } |
4823 | ||
16c11176 | 4824 | ar->free_vdev_map &= ~(1LL << arvif->vdev_id); |
0579119f | 4825 | list_add(&arvif->list, &ar->arvifs); |
9dad14ae | 4826 | |
46725b15 MK |
4827 | /* It makes no sense to have firmware do keepalives. mac80211 already |
4828 | * takes care of this with idle connection polling. | |
4829 | */ | |
4830 | ret = ath10k_mac_vif_disable_keepalive(arvif); | |
9dad14ae | 4831 | if (ret) { |
46725b15 | 4832 | ath10k_warn(ar, "failed to disable keepalive on vdev %i: %d\n", |
69244e56 | 4833 | arvif->vdev_id, ret); |
9dad14ae MK |
4834 | goto err_vdev_delete; |
4835 | } | |
5e3dd157 | 4836 | |
627613f8 | 4837 | arvif->def_wep_key_idx = -1; |
5e3dd157 | 4838 | |
6d1506e7 BM |
4839 | vdev_param = ar->wmi.vdev_param->tx_encap_type; |
4840 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, | |
5e3dd157 | 4841 | ATH10K_HW_TXRX_NATIVE_WIFI); |
ebc9abdd | 4842 | /* 10.X firmware does not support this VDEV parameter. Do not warn */ |
9dad14ae | 4843 | if (ret && ret != -EOPNOTSUPP) { |
7aa7a72a | 4844 | ath10k_warn(ar, "failed to set vdev %i TX encapsulation: %d\n", |
69244e56 | 4845 | arvif->vdev_id, ret); |
9dad14ae MK |
4846 | goto err_vdev_delete; |
4847 | } | |
5e3dd157 | 4848 | |
8a75fc54 RM |
4849 | /* Configuring number of spatial stream for monitor interface is causing |
4850 | * target assert in qca9888 and qca6174. | |
4851 | */ | |
4852 | if (ar->cfg_tx_chainmask && (vif->type != NL80211_IFTYPE_MONITOR)) { | |
5572a95b BG |
4853 | u16 nss = get_nss_from_chainmask(ar->cfg_tx_chainmask); |
4854 | ||
4855 | vdev_param = ar->wmi.vdev_param->nss; | |
4856 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, | |
4857 | nss); | |
4858 | if (ret) { | |
4859 | ath10k_warn(ar, "failed to set vdev %i chainmask 0x%x, nss %i: %d\n", | |
4860 | arvif->vdev_id, ar->cfg_tx_chainmask, nss, | |
4861 | ret); | |
4862 | goto err_vdev_delete; | |
4863 | } | |
4864 | } | |
4865 | ||
e57e0571 MK |
4866 | if (arvif->vdev_type == WMI_VDEV_TYPE_AP || |
4867 | arvif->vdev_type == WMI_VDEV_TYPE_IBSS) { | |
6942726f MK |
4868 | ret = ath10k_peer_create(ar, vif, NULL, arvif->vdev_id, |
4869 | vif->addr, WMI_PEER_TYPE_DEFAULT); | |
5e3dd157 | 4870 | if (ret) { |
e57e0571 | 4871 | ath10k_warn(ar, "failed to create vdev %i peer for AP/IBSS: %d\n", |
69244e56 | 4872 | arvif->vdev_id, ret); |
9dad14ae | 4873 | goto err_vdev_delete; |
5e3dd157 | 4874 | } |
bb8f0c6a MK |
4875 | |
4876 | spin_lock_bh(&ar->data_lock); | |
4877 | ||
4878 | peer = ath10k_peer_find(ar, arvif->vdev_id, vif->addr); | |
4879 | if (!peer) { | |
4880 | ath10k_warn(ar, "failed to lookup peer %pM on vdev %i\n", | |
4881 | vif->addr, arvif->vdev_id); | |
4882 | spin_unlock_bh(&ar->data_lock); | |
4883 | ret = -ENOENT; | |
4884 | goto err_peer_delete; | |
4885 | } | |
4886 | ||
4887 | arvif->peer_id = find_first_bit(peer->peer_ids, | |
4888 | ATH10K_MAX_NUM_PEER_IDS); | |
4889 | ||
4890 | spin_unlock_bh(&ar->data_lock); | |
4891 | } else { | |
4892 | arvif->peer_id = HTT_INVALID_PEERID; | |
e57e0571 | 4893 | } |
cdf07409 | 4894 | |
e57e0571 | 4895 | if (arvif->vdev_type == WMI_VDEV_TYPE_AP) { |
5a13e76e KV |
4896 | ret = ath10k_mac_set_kickout(arvif); |
4897 | if (ret) { | |
7aa7a72a | 4898 | ath10k_warn(ar, "failed to set vdev %i kickout parameters: %d\n", |
69244e56 | 4899 | arvif->vdev_id, ret); |
5a13e76e KV |
4900 | goto err_peer_delete; |
4901 | } | |
5e3dd157 KV |
4902 | } |
4903 | ||
4904 | if (arvif->vdev_type == WMI_VDEV_TYPE_STA) { | |
4905 | param = WMI_STA_PS_PARAM_RX_WAKE_POLICY; | |
4906 | value = WMI_STA_PS_RX_WAKE_POLICY_WAKE; | |
4907 | ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, | |
4908 | param, value); | |
9dad14ae | 4909 | if (ret) { |
7aa7a72a | 4910 | ath10k_warn(ar, "failed to set vdev %i RX wake policy: %d\n", |
69244e56 | 4911 | arvif->vdev_id, ret); |
9dad14ae MK |
4912 | goto err_peer_delete; |
4913 | } | |
5e3dd157 | 4914 | |
9f9b5746 | 4915 | ret = ath10k_mac_vif_recalc_ps_wake_threshold(arvif); |
9dad14ae | 4916 | if (ret) { |
9f9b5746 | 4917 | ath10k_warn(ar, "failed to recalc ps wake threshold on vdev %i: %d\n", |
69244e56 | 4918 | arvif->vdev_id, ret); |
9dad14ae MK |
4919 | goto err_peer_delete; |
4920 | } | |
5e3dd157 | 4921 | |
9f9b5746 | 4922 | ret = ath10k_mac_vif_recalc_ps_poll_count(arvif); |
9dad14ae | 4923 | if (ret) { |
9f9b5746 | 4924 | ath10k_warn(ar, "failed to recalc ps poll count on vdev %i: %d\n", |
69244e56 | 4925 | arvif->vdev_id, ret); |
9dad14ae MK |
4926 | goto err_peer_delete; |
4927 | } | |
5e3dd157 KV |
4928 | } |
4929 | ||
a48e2cc8 VN |
4930 | ret = ath10k_mac_set_txbf_conf(arvif); |
4931 | if (ret) { | |
4932 | ath10k_warn(ar, "failed to set txbf for vdev %d: %d\n", | |
4933 | arvif->vdev_id, ret); | |
4934 | goto err_peer_delete; | |
4935 | } | |
4936 | ||
424121c3 | 4937 | ret = ath10k_mac_set_rts(arvif, ar->hw->wiphy->rts_threshold); |
9dad14ae | 4938 | if (ret) { |
7aa7a72a | 4939 | ath10k_warn(ar, "failed to set rts threshold for vdev %d: %d\n", |
679c54a6 | 4940 | arvif->vdev_id, ret); |
9dad14ae MK |
4941 | goto err_peer_delete; |
4942 | } | |
679c54a6 | 4943 | |
7d9d5587 MK |
4944 | arvif->txpower = vif->bss_conf.txpower; |
4945 | ret = ath10k_mac_txpower_recalc(ar); | |
4946 | if (ret) { | |
4947 | ath10k_warn(ar, "failed to recalc tx power: %d\n", ret); | |
4948 | goto err_peer_delete; | |
4949 | } | |
4950 | ||
500ff9f9 MK |
4951 | if (vif->type == NL80211_IFTYPE_MONITOR) { |
4952 | ar->monitor_arvif = arvif; | |
4953 | ret = ath10k_monitor_recalc(ar); | |
4954 | if (ret) { | |
4955 | ath10k_warn(ar, "failed to recalc monitor: %d\n", ret); | |
4956 | goto err_peer_delete; | |
4957 | } | |
4958 | } | |
4959 | ||
6d2d51ec MK |
4960 | spin_lock_bh(&ar->htt.tx_lock); |
4961 | if (!ar->tx_paused) | |
4962 | ieee80211_wake_queue(ar->hw, arvif->vdev_id); | |
4963 | spin_unlock_bh(&ar->htt.tx_lock); | |
4964 | ||
5e3dd157 | 4965 | mutex_unlock(&ar->conf_mutex); |
9dad14ae MK |
4966 | return 0; |
4967 | ||
4968 | err_peer_delete: | |
e57e0571 MK |
4969 | if (arvif->vdev_type == WMI_VDEV_TYPE_AP || |
4970 | arvif->vdev_type == WMI_VDEV_TYPE_IBSS) | |
9dad14ae MK |
4971 | ath10k_wmi_peer_delete(ar, arvif->vdev_id, vif->addr); |
4972 | ||
4973 | err_vdev_delete: | |
4974 | ath10k_wmi_vdev_delete(ar, arvif->vdev_id); | |
16c11176 | 4975 | ar->free_vdev_map |= 1LL << arvif->vdev_id; |
0579119f | 4976 | list_del(&arvif->list); |
9dad14ae MK |
4977 | |
4978 | err: | |
64badcb6 MK |
4979 | if (arvif->beacon_buf) { |
4980 | dma_free_coherent(ar->dev, IEEE80211_MAX_FRAME_LEN, | |
4981 | arvif->beacon_buf, arvif->beacon_paddr); | |
4982 | arvif->beacon_buf = NULL; | |
4983 | } | |
4984 | ||
9dad14ae MK |
4985 | mutex_unlock(&ar->conf_mutex); |
4986 | ||
5e3dd157 KV |
4987 | return ret; |
4988 | } | |
4989 | ||
b4aa539d MK |
4990 | static void ath10k_mac_vif_tx_unlock_all(struct ath10k_vif *arvif) |
4991 | { | |
4992 | int i; | |
4993 | ||
4994 | for (i = 0; i < BITS_PER_LONG; i++) | |
4995 | ath10k_mac_vif_tx_unlock(arvif, i); | |
4996 | } | |
4997 | ||
5e3dd157 KV |
4998 | static void ath10k_remove_interface(struct ieee80211_hw *hw, |
4999 | struct ieee80211_vif *vif) | |
5000 | { | |
5001 | struct ath10k *ar = hw->priv; | |
5002 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
6942726f | 5003 | struct ath10k_peer *peer; |
5e3dd157 | 5004 | int ret; |
6942726f | 5005 | int i; |
5e3dd157 | 5006 | |
81a9a17d | 5007 | cancel_work_sync(&arvif->ap_csa_work); |
cc9904e6 | 5008 | cancel_delayed_work_sync(&arvif->connection_loss_work); |
81a9a17d | 5009 | |
5d011f5c SM |
5010 | mutex_lock(&ar->conf_mutex); |
5011 | ||
ed54388a | 5012 | spin_lock_bh(&ar->data_lock); |
64badcb6 | 5013 | ath10k_mac_vif_beacon_cleanup(arvif); |
ed54388a MK |
5014 | spin_unlock_bh(&ar->data_lock); |
5015 | ||
855aed12 SW |
5016 | ret = ath10k_spectral_vif_stop(arvif); |
5017 | if (ret) | |
7aa7a72a | 5018 | ath10k_warn(ar, "failed to stop spectral for vdev %i: %d\n", |
855aed12 SW |
5019 | arvif->vdev_id, ret); |
5020 | ||
16c11176 | 5021 | ar->free_vdev_map |= 1LL << arvif->vdev_id; |
0579119f | 5022 | list_del(&arvif->list); |
5e3dd157 | 5023 | |
e57e0571 MK |
5024 | if (arvif->vdev_type == WMI_VDEV_TYPE_AP || |
5025 | arvif->vdev_type == WMI_VDEV_TYPE_IBSS) { | |
2c512059 MK |
5026 | ret = ath10k_wmi_peer_delete(arvif->ar, arvif->vdev_id, |
5027 | vif->addr); | |
5e3dd157 | 5028 | if (ret) |
e57e0571 | 5029 | ath10k_warn(ar, "failed to submit AP/IBSS self-peer removal on vdev %i: %d\n", |
69244e56 | 5030 | arvif->vdev_id, ret); |
5e3dd157 KV |
5031 | |
5032 | kfree(arvif->u.ap.noa_data); | |
5033 | } | |
5034 | ||
7aa7a72a | 5035 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %i delete (remove interface)\n", |
60c3daa8 KV |
5036 | arvif->vdev_id); |
5037 | ||
5e3dd157 KV |
5038 | ret = ath10k_wmi_vdev_delete(ar, arvif->vdev_id); |
5039 | if (ret) | |
7aa7a72a | 5040 | ath10k_warn(ar, "failed to delete WMI vdev %i: %d\n", |
69244e56 | 5041 | arvif->vdev_id, ret); |
5e3dd157 | 5042 | |
2c512059 MK |
5043 | /* Some firmware revisions don't notify host about self-peer removal |
5044 | * until after associated vdev is deleted. | |
5045 | */ | |
e57e0571 MK |
5046 | if (arvif->vdev_type == WMI_VDEV_TYPE_AP || |
5047 | arvif->vdev_type == WMI_VDEV_TYPE_IBSS) { | |
2c512059 MK |
5048 | ret = ath10k_wait_for_peer_deleted(ar, arvif->vdev_id, |
5049 | vif->addr); | |
5050 | if (ret) | |
5051 | ath10k_warn(ar, "failed to remove AP self-peer on vdev %i: %d\n", | |
5052 | arvif->vdev_id, ret); | |
5053 | ||
5054 | spin_lock_bh(&ar->data_lock); | |
5055 | ar->num_peers--; | |
5056 | spin_unlock_bh(&ar->data_lock); | |
5057 | } | |
5058 | ||
6942726f MK |
5059 | spin_lock_bh(&ar->data_lock); |
5060 | for (i = 0; i < ARRAY_SIZE(ar->peer_map); i++) { | |
5061 | peer = ar->peer_map[i]; | |
5062 | if (!peer) | |
5063 | continue; | |
5064 | ||
5065 | if (peer->vif == vif) { | |
5066 | ath10k_warn(ar, "found vif peer %pM entry on vdev %i after it was supposedly removed\n", | |
5067 | vif->addr, arvif->vdev_id); | |
5068 | peer->vif = NULL; | |
5069 | } | |
5070 | } | |
5071 | spin_unlock_bh(&ar->data_lock); | |
5072 | ||
5e3dd157 | 5073 | ath10k_peer_cleanup(ar, arvif->vdev_id); |
dd4717b6 | 5074 | ath10k_mac_txq_unref(ar, vif->txq); |
5e3dd157 | 5075 | |
500ff9f9 MK |
5076 | if (vif->type == NL80211_IFTYPE_MONITOR) { |
5077 | ar->monitor_arvif = NULL; | |
5078 | ret = ath10k_monitor_recalc(ar); | |
5079 | if (ret) | |
5080 | ath10k_warn(ar, "failed to recalc monitor: %d\n", ret); | |
5081 | } | |
5082 | ||
b4aa539d MK |
5083 | spin_lock_bh(&ar->htt.tx_lock); |
5084 | ath10k_mac_vif_tx_unlock_all(arvif); | |
5085 | spin_unlock_bh(&ar->htt.tx_lock); | |
5086 | ||
29946878 MK |
5087 | ath10k_mac_txq_unref(ar, vif->txq); |
5088 | ||
5e3dd157 KV |
5089 | mutex_unlock(&ar->conf_mutex); |
5090 | } | |
5091 | ||
5092 | /* | |
5093 | * FIXME: Has to be verified. | |
5094 | */ | |
5095 | #define SUPPORTED_FILTERS \ | |
df140465 | 5096 | (FIF_ALLMULTI | \ |
5e3dd157 KV |
5097 | FIF_CONTROL | \ |
5098 | FIF_PSPOLL | \ | |
5099 | FIF_OTHER_BSS | \ | |
5100 | FIF_BCN_PRBRESP_PROMISC | \ | |
5101 | FIF_PROBE_REQ | \ | |
5102 | FIF_FCSFAIL) | |
5103 | ||
5104 | static void ath10k_configure_filter(struct ieee80211_hw *hw, | |
5105 | unsigned int changed_flags, | |
5106 | unsigned int *total_flags, | |
5107 | u64 multicast) | |
5108 | { | |
5109 | struct ath10k *ar = hw->priv; | |
5110 | int ret; | |
5111 | ||
5112 | mutex_lock(&ar->conf_mutex); | |
5113 | ||
5114 | changed_flags &= SUPPORTED_FILTERS; | |
5115 | *total_flags &= SUPPORTED_FILTERS; | |
5116 | ar->filter_flags = *total_flags; | |
5117 | ||
1933747f MK |
5118 | ret = ath10k_monitor_recalc(ar); |
5119 | if (ret) | |
5120 | ath10k_warn(ar, "failed to recalc montior: %d\n", ret); | |
5e3dd157 KV |
5121 | |
5122 | mutex_unlock(&ar->conf_mutex); | |
5123 | } | |
5124 | ||
5125 | static void ath10k_bss_info_changed(struct ieee80211_hw *hw, | |
5126 | struct ieee80211_vif *vif, | |
5127 | struct ieee80211_bss_conf *info, | |
5128 | u32 changed) | |
5129 | { | |
5130 | struct ath10k *ar = hw->priv; | |
5131 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
5132 | int ret = 0; | |
af762c0b | 5133 | u32 vdev_param, pdev_param, slottime, preamble; |
5e3dd157 KV |
5134 | |
5135 | mutex_lock(&ar->conf_mutex); | |
5136 | ||
5137 | if (changed & BSS_CHANGED_IBSS) | |
5138 | ath10k_control_ibss(arvif, info, vif->addr); | |
5139 | ||
5140 | if (changed & BSS_CHANGED_BEACON_INT) { | |
5141 | arvif->beacon_interval = info->beacon_int; | |
6d1506e7 BM |
5142 | vdev_param = ar->wmi.vdev_param->beacon_interval; |
5143 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, | |
5e3dd157 | 5144 | arvif->beacon_interval); |
7aa7a72a | 5145 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
60c3daa8 KV |
5146 | "mac vdev %d beacon_interval %d\n", |
5147 | arvif->vdev_id, arvif->beacon_interval); | |
5148 | ||
5e3dd157 | 5149 | if (ret) |
7aa7a72a | 5150 | ath10k_warn(ar, "failed to set beacon interval for vdev %d: %i\n", |
69244e56 | 5151 | arvif->vdev_id, ret); |
5e3dd157 KV |
5152 | } |
5153 | ||
5154 | if (changed & BSS_CHANGED_BEACON) { | |
7aa7a72a | 5155 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
60c3daa8 KV |
5156 | "vdev %d set beacon tx mode to staggered\n", |
5157 | arvif->vdev_id); | |
5158 | ||
226a339b BM |
5159 | pdev_param = ar->wmi.pdev_param->beacon_tx_mode; |
5160 | ret = ath10k_wmi_pdev_set_param(ar, pdev_param, | |
5e3dd157 KV |
5161 | WMI_BEACON_STAGGERED_MODE); |
5162 | if (ret) | |
7aa7a72a | 5163 | ath10k_warn(ar, "failed to set beacon mode for vdev %d: %i\n", |
69244e56 | 5164 | arvif->vdev_id, ret); |
fbb8f1b7 MK |
5165 | |
5166 | ret = ath10k_mac_setup_bcn_tmpl(arvif); | |
5167 | if (ret) | |
5168 | ath10k_warn(ar, "failed to update beacon template: %d\n", | |
5169 | ret); | |
b6c7bafa BC |
5170 | |
5171 | if (ieee80211_vif_is_mesh(vif)) { | |
5172 | /* mesh doesn't use SSID but firmware needs it */ | |
5173 | strncpy(arvif->u.ap.ssid, "mesh", | |
5174 | sizeof(arvif->u.ap.ssid)); | |
5175 | arvif->u.ap.ssid_len = 4; | |
5176 | } | |
fbb8f1b7 MK |
5177 | } |
5178 | ||
5179 | if (changed & BSS_CHANGED_AP_PROBE_RESP) { | |
5180 | ret = ath10k_mac_setup_prb_tmpl(arvif); | |
5181 | if (ret) | |
5182 | ath10k_warn(ar, "failed to setup probe resp template on vdev %i: %d\n", | |
5183 | arvif->vdev_id, ret); | |
5e3dd157 KV |
5184 | } |
5185 | ||
ba2479fe | 5186 | if (changed & (BSS_CHANGED_BEACON_INFO | BSS_CHANGED_BEACON)) { |
5e3dd157 KV |
5187 | arvif->dtim_period = info->dtim_period; |
5188 | ||
7aa7a72a | 5189 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
60c3daa8 KV |
5190 | "mac vdev %d dtim_period %d\n", |
5191 | arvif->vdev_id, arvif->dtim_period); | |
5192 | ||
6d1506e7 BM |
5193 | vdev_param = ar->wmi.vdev_param->dtim_period; |
5194 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, | |
5e3dd157 KV |
5195 | arvif->dtim_period); |
5196 | if (ret) | |
7aa7a72a | 5197 | ath10k_warn(ar, "failed to set dtim period for vdev %d: %i\n", |
69244e56 | 5198 | arvif->vdev_id, ret); |
5e3dd157 KV |
5199 | } |
5200 | ||
5201 | if (changed & BSS_CHANGED_SSID && | |
5202 | vif->type == NL80211_IFTYPE_AP) { | |
5203 | arvif->u.ap.ssid_len = info->ssid_len; | |
5204 | if (info->ssid_len) | |
5205 | memcpy(arvif->u.ap.ssid, info->ssid, info->ssid_len); | |
5206 | arvif->u.ap.hidden_ssid = info->hidden_ssid; | |
5207 | } | |
5208 | ||
077efc8c MK |
5209 | if (changed & BSS_CHANGED_BSSID && !is_zero_ether_addr(info->bssid)) |
5210 | ether_addr_copy(arvif->bssid, info->bssid); | |
5e3dd157 KV |
5211 | |
5212 | if (changed & BSS_CHANGED_BEACON_ENABLED) | |
5213 | ath10k_control_beaconing(arvif, info); | |
5214 | ||
5215 | if (changed & BSS_CHANGED_ERP_CTS_PROT) { | |
e81bd104 | 5216 | arvif->use_cts_prot = info->use_cts_prot; |
7aa7a72a | 5217 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d cts_prot %d\n", |
e81bd104 | 5218 | arvif->vdev_id, info->use_cts_prot); |
60c3daa8 | 5219 | |
e81bd104 | 5220 | ret = ath10k_recalc_rtscts_prot(arvif); |
5e3dd157 | 5221 | if (ret) |
7aa7a72a | 5222 | ath10k_warn(ar, "failed to recalculate rts/cts prot for vdev %d: %d\n", |
69244e56 | 5223 | arvif->vdev_id, ret); |
a87fd4b9 MK |
5224 | |
5225 | vdev_param = ar->wmi.vdev_param->protection_mode; | |
5226 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, | |
5227 | info->use_cts_prot ? 1 : 0); | |
5228 | if (ret) | |
5229 | ath10k_warn(ar, "failed to set protection mode %d on vdev %i: %d\n", | |
617b0f4d | 5230 | info->use_cts_prot, arvif->vdev_id, ret); |
5e3dd157 KV |
5231 | } |
5232 | ||
5233 | if (changed & BSS_CHANGED_ERP_SLOT) { | |
5e3dd157 KV |
5234 | if (info->use_short_slot) |
5235 | slottime = WMI_VDEV_SLOT_TIME_SHORT; /* 9us */ | |
5236 | ||
5237 | else | |
5238 | slottime = WMI_VDEV_SLOT_TIME_LONG; /* 20us */ | |
5239 | ||
7aa7a72a | 5240 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d slot_time %d\n", |
60c3daa8 KV |
5241 | arvif->vdev_id, slottime); |
5242 | ||
6d1506e7 BM |
5243 | vdev_param = ar->wmi.vdev_param->slot_time; |
5244 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, | |
5e3dd157 KV |
5245 | slottime); |
5246 | if (ret) | |
7aa7a72a | 5247 | ath10k_warn(ar, "failed to set erp slot for vdev %d: %i\n", |
69244e56 | 5248 | arvif->vdev_id, ret); |
5e3dd157 KV |
5249 | } |
5250 | ||
5251 | if (changed & BSS_CHANGED_ERP_PREAMBLE) { | |
5e3dd157 KV |
5252 | if (info->use_short_preamble) |
5253 | preamble = WMI_VDEV_PREAMBLE_SHORT; | |
5254 | else | |
5255 | preamble = WMI_VDEV_PREAMBLE_LONG; | |
5256 | ||
7aa7a72a | 5257 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
60c3daa8 KV |
5258 | "mac vdev %d preamble %dn", |
5259 | arvif->vdev_id, preamble); | |
5260 | ||
6d1506e7 BM |
5261 | vdev_param = ar->wmi.vdev_param->preamble; |
5262 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, | |
5e3dd157 KV |
5263 | preamble); |
5264 | if (ret) | |
7aa7a72a | 5265 | ath10k_warn(ar, "failed to set preamble for vdev %d: %i\n", |
69244e56 | 5266 | arvif->vdev_id, ret); |
5e3dd157 KV |
5267 | } |
5268 | ||
5269 | if (changed & BSS_CHANGED_ASSOC) { | |
e556f111 MK |
5270 | if (info->assoc) { |
5271 | /* Workaround: Make sure monitor vdev is not running | |
5272 | * when associating to prevent some firmware revisions | |
5273 | * (e.g. 10.1 and 10.2) from crashing. | |
5274 | */ | |
5275 | if (ar->monitor_started) | |
5276 | ath10k_monitor_stop(ar); | |
5e3dd157 | 5277 | ath10k_bss_assoc(hw, vif, info); |
e556f111 | 5278 | ath10k_monitor_recalc(ar); |
077efc8c MK |
5279 | } else { |
5280 | ath10k_bss_disassoc(hw, vif); | |
e556f111 | 5281 | } |
5e3dd157 KV |
5282 | } |
5283 | ||
7d9d5587 MK |
5284 | if (changed & BSS_CHANGED_TXPOWER) { |
5285 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev_id %i txpower %d\n", | |
5286 | arvif->vdev_id, info->txpower); | |
5287 | ||
5288 | arvif->txpower = info->txpower; | |
5289 | ret = ath10k_mac_txpower_recalc(ar); | |
5290 | if (ret) | |
5291 | ath10k_warn(ar, "failed to recalc tx power: %d\n", ret); | |
5292 | } | |
5293 | ||
bf14e65c | 5294 | if (changed & BSS_CHANGED_PS) { |
cffb41f3 MK |
5295 | arvif->ps = vif->bss_conf.ps; |
5296 | ||
5297 | ret = ath10k_config_ps(ar); | |
bf14e65c MK |
5298 | if (ret) |
5299 | ath10k_warn(ar, "failed to setup ps on vdev %i: %d\n", | |
5300 | arvif->vdev_id, ret); | |
5301 | } | |
5302 | ||
5e3dd157 KV |
5303 | mutex_unlock(&ar->conf_mutex); |
5304 | } | |
5305 | ||
5306 | static int ath10k_hw_scan(struct ieee80211_hw *hw, | |
5307 | struct ieee80211_vif *vif, | |
c56ef672 | 5308 | struct ieee80211_scan_request *hw_req) |
5e3dd157 KV |
5309 | { |
5310 | struct ath10k *ar = hw->priv; | |
5311 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
c56ef672 | 5312 | struct cfg80211_scan_request *req = &hw_req->req; |
5e3dd157 KV |
5313 | struct wmi_start_scan_arg arg; |
5314 | int ret = 0; | |
5315 | int i; | |
5316 | ||
5317 | mutex_lock(&ar->conf_mutex); | |
5318 | ||
5319 | spin_lock_bh(&ar->data_lock); | |
5c81c7fd MK |
5320 | switch (ar->scan.state) { |
5321 | case ATH10K_SCAN_IDLE: | |
5322 | reinit_completion(&ar->scan.started); | |
5323 | reinit_completion(&ar->scan.completed); | |
5324 | ar->scan.state = ATH10K_SCAN_STARTING; | |
5325 | ar->scan.is_roc = false; | |
5326 | ar->scan.vdev_id = arvif->vdev_id; | |
5327 | ret = 0; | |
5328 | break; | |
5329 | case ATH10K_SCAN_STARTING: | |
5330 | case ATH10K_SCAN_RUNNING: | |
5331 | case ATH10K_SCAN_ABORTING: | |
5e3dd157 | 5332 | ret = -EBUSY; |
5c81c7fd | 5333 | break; |
5e3dd157 | 5334 | } |
5e3dd157 KV |
5335 | spin_unlock_bh(&ar->data_lock); |
5336 | ||
5c81c7fd MK |
5337 | if (ret) |
5338 | goto exit; | |
5339 | ||
5e3dd157 KV |
5340 | memset(&arg, 0, sizeof(arg)); |
5341 | ath10k_wmi_start_scan_init(ar, &arg); | |
5342 | arg.vdev_id = arvif->vdev_id; | |
5343 | arg.scan_id = ATH10K_SCAN_ID; | |
5344 | ||
5e3dd157 KV |
5345 | if (req->ie_len) { |
5346 | arg.ie_len = req->ie_len; | |
5347 | memcpy(arg.ie, req->ie, arg.ie_len); | |
5348 | } | |
5349 | ||
5350 | if (req->n_ssids) { | |
5351 | arg.n_ssids = req->n_ssids; | |
5352 | for (i = 0; i < arg.n_ssids; i++) { | |
5353 | arg.ssids[i].len = req->ssids[i].ssid_len; | |
5354 | arg.ssids[i].ssid = req->ssids[i].ssid; | |
5355 | } | |
dcd4a561 MK |
5356 | } else { |
5357 | arg.scan_ctrl_flags |= WMI_SCAN_FLAG_PASSIVE; | |
5e3dd157 KV |
5358 | } |
5359 | ||
5360 | if (req->n_channels) { | |
5361 | arg.n_channels = req->n_channels; | |
5362 | for (i = 0; i < arg.n_channels; i++) | |
5363 | arg.channels[i] = req->channels[i]->center_freq; | |
5364 | } | |
5365 | ||
5366 | ret = ath10k_start_scan(ar, &arg); | |
5367 | if (ret) { | |
7aa7a72a | 5368 | ath10k_warn(ar, "failed to start hw scan: %d\n", ret); |
5e3dd157 | 5369 | spin_lock_bh(&ar->data_lock); |
5c81c7fd | 5370 | ar->scan.state = ATH10K_SCAN_IDLE; |
5e3dd157 KV |
5371 | spin_unlock_bh(&ar->data_lock); |
5372 | } | |
5373 | ||
634349ba MK |
5374 | /* Add a 200ms margin to account for event/command processing */ |
5375 | ieee80211_queue_delayed_work(ar->hw, &ar->scan.timeout, | |
5376 | msecs_to_jiffies(arg.max_scan_time + | |
5377 | 200)); | |
5378 | ||
5e3dd157 KV |
5379 | exit: |
5380 | mutex_unlock(&ar->conf_mutex); | |
5381 | return ret; | |
5382 | } | |
5383 | ||
5384 | static void ath10k_cancel_hw_scan(struct ieee80211_hw *hw, | |
5385 | struct ieee80211_vif *vif) | |
5386 | { | |
5387 | struct ath10k *ar = hw->priv; | |
5e3dd157 KV |
5388 | |
5389 | mutex_lock(&ar->conf_mutex); | |
5c81c7fd | 5390 | ath10k_scan_abort(ar); |
5e3dd157 | 5391 | mutex_unlock(&ar->conf_mutex); |
4eb2e164 MK |
5392 | |
5393 | cancel_delayed_work_sync(&ar->scan.timeout); | |
5e3dd157 KV |
5394 | } |
5395 | ||
cfb27d29 MK |
5396 | static void ath10k_set_key_h_def_keyidx(struct ath10k *ar, |
5397 | struct ath10k_vif *arvif, | |
5398 | enum set_key_cmd cmd, | |
5399 | struct ieee80211_key_conf *key) | |
5400 | { | |
5401 | u32 vdev_param = arvif->ar->wmi.vdev_param->def_keyid; | |
5402 | int ret; | |
5403 | ||
5404 | /* 10.1 firmware branch requires default key index to be set to group | |
5405 | * key index after installing it. Otherwise FW/HW Txes corrupted | |
5406 | * frames with multi-vif APs. This is not required for main firmware | |
5407 | * branch (e.g. 636). | |
5408 | * | |
8461baf7 MK |
5409 | * This is also needed for 636 fw for IBSS-RSN to work more reliably. |
5410 | * | |
5411 | * FIXME: It remains unknown if this is required for multi-vif STA | |
5412 | * interfaces on 10.1. | |
5413 | */ | |
cfb27d29 | 5414 | |
8461baf7 MK |
5415 | if (arvif->vdev_type != WMI_VDEV_TYPE_AP && |
5416 | arvif->vdev_type != WMI_VDEV_TYPE_IBSS) | |
cfb27d29 MK |
5417 | return; |
5418 | ||
5419 | if (key->cipher == WLAN_CIPHER_SUITE_WEP40) | |
5420 | return; | |
5421 | ||
5422 | if (key->cipher == WLAN_CIPHER_SUITE_WEP104) | |
5423 | return; | |
5424 | ||
5425 | if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) | |
5426 | return; | |
5427 | ||
5428 | if (cmd != SET_KEY) | |
5429 | return; | |
5430 | ||
5431 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, | |
5432 | key->keyidx); | |
5433 | if (ret) | |
7aa7a72a | 5434 | ath10k_warn(ar, "failed to set vdev %i group key as default key: %d\n", |
69244e56 | 5435 | arvif->vdev_id, ret); |
cfb27d29 MK |
5436 | } |
5437 | ||
5e3dd157 KV |
5438 | static int ath10k_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, |
5439 | struct ieee80211_vif *vif, struct ieee80211_sta *sta, | |
5440 | struct ieee80211_key_conf *key) | |
5441 | { | |
5442 | struct ath10k *ar = hw->priv; | |
5443 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
5444 | struct ath10k_peer *peer; | |
5445 | const u8 *peer_addr; | |
5446 | bool is_wep = key->cipher == WLAN_CIPHER_SUITE_WEP40 || | |
5447 | key->cipher == WLAN_CIPHER_SUITE_WEP104; | |
5448 | int ret = 0; | |
29a10006 | 5449 | int ret2; |
370e5673 | 5450 | u32 flags = 0; |
29a10006 | 5451 | u32 flags2; |
5e3dd157 | 5452 | |
d7131c04 BM |
5453 | /* this one needs to be done in software */ |
5454 | if (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC) | |
5455 | return 1; | |
5e3dd157 | 5456 | |
ccec9038 DL |
5457 | if (arvif->nohwcrypt) |
5458 | return 1; | |
5459 | ||
5e3dd157 KV |
5460 | if (key->keyidx > WMI_MAX_KEY_INDEX) |
5461 | return -ENOSPC; | |
5462 | ||
5463 | mutex_lock(&ar->conf_mutex); | |
5464 | ||
5465 | if (sta) | |
5466 | peer_addr = sta->addr; | |
5467 | else if (arvif->vdev_type == WMI_VDEV_TYPE_STA) | |
5468 | peer_addr = vif->bss_conf.bssid; | |
5469 | else | |
5470 | peer_addr = vif->addr; | |
5471 | ||
5472 | key->hw_key_idx = key->keyidx; | |
5473 | ||
7c8cc7eb MK |
5474 | if (is_wep) { |
5475 | if (cmd == SET_KEY) | |
5476 | arvif->wep_keys[key->keyidx] = key; | |
5477 | else | |
5478 | arvif->wep_keys[key->keyidx] = NULL; | |
5479 | } | |
5480 | ||
5e3dd157 KV |
5481 | /* the peer should not disappear in mid-way (unless FW goes awry) since |
5482 | * we already hold conf_mutex. we just make sure its there now. */ | |
5483 | spin_lock_bh(&ar->data_lock); | |
5484 | peer = ath10k_peer_find(ar, arvif->vdev_id, peer_addr); | |
5485 | spin_unlock_bh(&ar->data_lock); | |
5486 | ||
5487 | if (!peer) { | |
5488 | if (cmd == SET_KEY) { | |
7aa7a72a | 5489 | ath10k_warn(ar, "failed to install key for non-existent peer %pM\n", |
5e3dd157 KV |
5490 | peer_addr); |
5491 | ret = -EOPNOTSUPP; | |
5492 | goto exit; | |
5493 | } else { | |
5494 | /* if the peer doesn't exist there is no key to disable | |
5495 | * anymore */ | |
5496 | goto exit; | |
5497 | } | |
5498 | } | |
5499 | ||
7cc4573e MK |
5500 | if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) |
5501 | flags |= WMI_KEY_PAIRWISE; | |
5502 | else | |
5503 | flags |= WMI_KEY_GROUP; | |
5e3dd157 | 5504 | |
5e3dd157 | 5505 | if (is_wep) { |
5e3dd157 KV |
5506 | if (cmd == DISABLE_KEY) |
5507 | ath10k_clear_vdev_key(arvif, key); | |
5e3dd157 | 5508 | |
ad325cb5 MK |
5509 | /* When WEP keys are uploaded it's possible that there are |
5510 | * stations associated already (e.g. when merging) without any | |
5511 | * keys. Static WEP needs an explicit per-peer key upload. | |
5512 | */ | |
5513 | if (vif->type == NL80211_IFTYPE_ADHOC && | |
5514 | cmd == SET_KEY) | |
5515 | ath10k_mac_vif_update_wep_key(arvif, key); | |
5516 | ||
370e5673 MK |
5517 | /* 802.1x never sets the def_wep_key_idx so each set_key() |
5518 | * call changes default tx key. | |
5519 | * | |
5520 | * Static WEP sets def_wep_key_idx via .set_default_unicast_key | |
5521 | * after first set_key(). | |
5522 | */ | |
5523 | if (cmd == SET_KEY && arvif->def_wep_key_idx == -1) | |
5524 | flags |= WMI_KEY_TX_USAGE; | |
370e5673 | 5525 | } |
627613f8 | 5526 | |
370e5673 | 5527 | ret = ath10k_install_key(arvif, key, cmd, peer_addr, flags); |
5e3dd157 | 5528 | if (ret) { |
ccec9038 | 5529 | WARN_ON(ret > 0); |
7aa7a72a | 5530 | ath10k_warn(ar, "failed to install key for vdev %i peer %pM: %d\n", |
69244e56 | 5531 | arvif->vdev_id, peer_addr, ret); |
5e3dd157 KV |
5532 | goto exit; |
5533 | } | |
5534 | ||
29a10006 MK |
5535 | /* mac80211 sets static WEP keys as groupwise while firmware requires |
5536 | * them to be installed twice as both pairwise and groupwise. | |
5537 | */ | |
5538 | if (is_wep && !sta && vif->type == NL80211_IFTYPE_STATION) { | |
5539 | flags2 = flags; | |
5540 | flags2 &= ~WMI_KEY_GROUP; | |
5541 | flags2 |= WMI_KEY_PAIRWISE; | |
5542 | ||
5543 | ret = ath10k_install_key(arvif, key, cmd, peer_addr, flags2); | |
5544 | if (ret) { | |
ccec9038 | 5545 | WARN_ON(ret > 0); |
29a10006 MK |
5546 | ath10k_warn(ar, "failed to install (ucast) key for vdev %i peer %pM: %d\n", |
5547 | arvif->vdev_id, peer_addr, ret); | |
5548 | ret2 = ath10k_install_key(arvif, key, DISABLE_KEY, | |
5549 | peer_addr, flags); | |
ccec9038 DL |
5550 | if (ret2) { |
5551 | WARN_ON(ret2 > 0); | |
29a10006 MK |
5552 | ath10k_warn(ar, "failed to disable (mcast) key for vdev %i peer %pM: %d\n", |
5553 | arvif->vdev_id, peer_addr, ret2); | |
ccec9038 | 5554 | } |
29a10006 MK |
5555 | goto exit; |
5556 | } | |
5557 | } | |
5558 | ||
cfb27d29 MK |
5559 | ath10k_set_key_h_def_keyidx(ar, arvif, cmd, key); |
5560 | ||
5e3dd157 KV |
5561 | spin_lock_bh(&ar->data_lock); |
5562 | peer = ath10k_peer_find(ar, arvif->vdev_id, peer_addr); | |
5563 | if (peer && cmd == SET_KEY) | |
5564 | peer->keys[key->keyidx] = key; | |
5565 | else if (peer && cmd == DISABLE_KEY) | |
5566 | peer->keys[key->keyidx] = NULL; | |
5567 | else if (peer == NULL) | |
5568 | /* impossible unless FW goes crazy */ | |
7aa7a72a | 5569 | ath10k_warn(ar, "Peer %pM disappeared!\n", peer_addr); |
5e3dd157 KV |
5570 | spin_unlock_bh(&ar->data_lock); |
5571 | ||
5572 | exit: | |
5573 | mutex_unlock(&ar->conf_mutex); | |
5574 | return ret; | |
5575 | } | |
5576 | ||
627613f8 SJ |
5577 | static void ath10k_set_default_unicast_key(struct ieee80211_hw *hw, |
5578 | struct ieee80211_vif *vif, | |
5579 | int keyidx) | |
5580 | { | |
5581 | struct ath10k *ar = hw->priv; | |
5582 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
5583 | int ret; | |
5584 | ||
5585 | mutex_lock(&arvif->ar->conf_mutex); | |
5586 | ||
5587 | if (arvif->ar->state != ATH10K_STATE_ON) | |
5588 | goto unlock; | |
5589 | ||
5590 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d set keyidx %d\n", | |
5591 | arvif->vdev_id, keyidx); | |
5592 | ||
5593 | ret = ath10k_wmi_vdev_set_param(arvif->ar, | |
5594 | arvif->vdev_id, | |
5595 | arvif->ar->wmi.vdev_param->def_keyid, | |
5596 | keyidx); | |
5597 | ||
5598 | if (ret) { | |
5599 | ath10k_warn(ar, "failed to update wep key index for vdev %d: %d\n", | |
5600 | arvif->vdev_id, | |
5601 | ret); | |
5602 | goto unlock; | |
5603 | } | |
5604 | ||
5605 | arvif->def_wep_key_idx = keyidx; | |
370e5673 | 5606 | |
627613f8 SJ |
5607 | unlock: |
5608 | mutex_unlock(&arvif->ar->conf_mutex); | |
5609 | } | |
5610 | ||
9797febc MK |
5611 | static void ath10k_sta_rc_update_wk(struct work_struct *wk) |
5612 | { | |
5613 | struct ath10k *ar; | |
5614 | struct ath10k_vif *arvif; | |
5615 | struct ath10k_sta *arsta; | |
5616 | struct ieee80211_sta *sta; | |
45c9abc0 | 5617 | struct cfg80211_chan_def def; |
57fbcce3 | 5618 | enum nl80211_band band; |
45c9abc0 MK |
5619 | const u8 *ht_mcs_mask; |
5620 | const u16 *vht_mcs_mask; | |
9797febc MK |
5621 | u32 changed, bw, nss, smps; |
5622 | int err; | |
5623 | ||
5624 | arsta = container_of(wk, struct ath10k_sta, update_wk); | |
5625 | sta = container_of((void *)arsta, struct ieee80211_sta, drv_priv); | |
5626 | arvif = arsta->arvif; | |
5627 | ar = arvif->ar; | |
5628 | ||
45c9abc0 MK |
5629 | if (WARN_ON(ath10k_mac_vif_chan(arvif->vif, &def))) |
5630 | return; | |
5631 | ||
5632 | band = def.chan->band; | |
5633 | ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs; | |
5634 | vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs; | |
5635 | ||
9797febc MK |
5636 | spin_lock_bh(&ar->data_lock); |
5637 | ||
5638 | changed = arsta->changed; | |
5639 | arsta->changed = 0; | |
5640 | ||
5641 | bw = arsta->bw; | |
5642 | nss = arsta->nss; | |
5643 | smps = arsta->smps; | |
5644 | ||
5645 | spin_unlock_bh(&ar->data_lock); | |
5646 | ||
5647 | mutex_lock(&ar->conf_mutex); | |
5648 | ||
45c9abc0 MK |
5649 | nss = max_t(u32, 1, nss); |
5650 | nss = min(nss, max(ath10k_mac_max_ht_nss(ht_mcs_mask), | |
5651 | ath10k_mac_max_vht_nss(vht_mcs_mask))); | |
5652 | ||
9797febc | 5653 | if (changed & IEEE80211_RC_BW_CHANGED) { |
7aa7a72a | 5654 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM peer bw %d\n", |
9797febc MK |
5655 | sta->addr, bw); |
5656 | ||
5657 | err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr, | |
5658 | WMI_PEER_CHAN_WIDTH, bw); | |
5659 | if (err) | |
7aa7a72a | 5660 | ath10k_warn(ar, "failed to update STA %pM peer bw %d: %d\n", |
9797febc MK |
5661 | sta->addr, bw, err); |
5662 | } | |
5663 | ||
5664 | if (changed & IEEE80211_RC_NSS_CHANGED) { | |
7aa7a72a | 5665 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM nss %d\n", |
9797febc MK |
5666 | sta->addr, nss); |
5667 | ||
5668 | err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr, | |
5669 | WMI_PEER_NSS, nss); | |
5670 | if (err) | |
7aa7a72a | 5671 | ath10k_warn(ar, "failed to update STA %pM nss %d: %d\n", |
9797febc MK |
5672 | sta->addr, nss, err); |
5673 | } | |
5674 | ||
5675 | if (changed & IEEE80211_RC_SMPS_CHANGED) { | |
7aa7a72a | 5676 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM smps %d\n", |
9797febc MK |
5677 | sta->addr, smps); |
5678 | ||
5679 | err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr, | |
5680 | WMI_PEER_SMPS_STATE, smps); | |
5681 | if (err) | |
7aa7a72a | 5682 | ath10k_warn(ar, "failed to update STA %pM smps %d: %d\n", |
9797febc MK |
5683 | sta->addr, smps, err); |
5684 | } | |
5685 | ||
55884c04 JD |
5686 | if (changed & IEEE80211_RC_SUPP_RATES_CHANGED || |
5687 | changed & IEEE80211_RC_NSS_CHANGED) { | |
5688 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM supp rates/nss\n", | |
44d6fa90 CYY |
5689 | sta->addr); |
5690 | ||
590922a8 | 5691 | err = ath10k_station_assoc(ar, arvif->vif, sta, true); |
44d6fa90 | 5692 | if (err) |
7aa7a72a | 5693 | ath10k_warn(ar, "failed to reassociate station: %pM\n", |
44d6fa90 CYY |
5694 | sta->addr); |
5695 | } | |
5696 | ||
9797febc MK |
5697 | mutex_unlock(&ar->conf_mutex); |
5698 | } | |
5699 | ||
7c354242 MP |
5700 | static int ath10k_mac_inc_num_stations(struct ath10k_vif *arvif, |
5701 | struct ieee80211_sta *sta) | |
cfd1061e MK |
5702 | { |
5703 | struct ath10k *ar = arvif->ar; | |
5704 | ||
5705 | lockdep_assert_held(&ar->conf_mutex); | |
5706 | ||
7c354242 | 5707 | if (arvif->vdev_type == WMI_VDEV_TYPE_STA && !sta->tdls) |
cfd1061e MK |
5708 | return 0; |
5709 | ||
5710 | if (ar->num_stations >= ar->max_num_stations) | |
5711 | return -ENOBUFS; | |
5712 | ||
5713 | ar->num_stations++; | |
5714 | ||
5715 | return 0; | |
5716 | } | |
5717 | ||
7c354242 MP |
5718 | static void ath10k_mac_dec_num_stations(struct ath10k_vif *arvif, |
5719 | struct ieee80211_sta *sta) | |
cfd1061e MK |
5720 | { |
5721 | struct ath10k *ar = arvif->ar; | |
5722 | ||
5723 | lockdep_assert_held(&ar->conf_mutex); | |
5724 | ||
7c354242 | 5725 | if (arvif->vdev_type == WMI_VDEV_TYPE_STA && !sta->tdls) |
cfd1061e MK |
5726 | return; |
5727 | ||
5728 | ar->num_stations--; | |
5729 | } | |
5730 | ||
75d85fd9 MP |
5731 | struct ath10k_mac_tdls_iter_data { |
5732 | u32 num_tdls_stations; | |
5733 | struct ieee80211_vif *curr_vif; | |
5734 | }; | |
5735 | ||
5736 | static void ath10k_mac_tdls_vif_stations_count_iter(void *data, | |
5737 | struct ieee80211_sta *sta) | |
5e3dd157 | 5738 | { |
75d85fd9 | 5739 | struct ath10k_mac_tdls_iter_data *iter_data = data; |
9797febc | 5740 | struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; |
75d85fd9 | 5741 | struct ieee80211_vif *sta_vif = arsta->arvif->vif; |
5e3dd157 | 5742 | |
75d85fd9 MP |
5743 | if (sta->tdls && sta_vif == iter_data->curr_vif) |
5744 | iter_data->num_tdls_stations++; | |
5745 | } | |
5746 | ||
5747 | static int ath10k_mac_tdls_vif_stations_count(struct ieee80211_hw *hw, | |
5748 | struct ieee80211_vif *vif) | |
5749 | { | |
5750 | struct ath10k_mac_tdls_iter_data data = {}; | |
5751 | ||
5752 | data.curr_vif = vif; | |
5753 | ||
5754 | ieee80211_iterate_stations_atomic(hw, | |
5755 | ath10k_mac_tdls_vif_stations_count_iter, | |
5756 | &data); | |
5757 | return data.num_tdls_stations; | |
5758 | } | |
5759 | ||
5760 | static void ath10k_mac_tdls_vifs_count_iter(void *data, u8 *mac, | |
5761 | struct ieee80211_vif *vif) | |
5762 | { | |
5763 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
5764 | int *num_tdls_vifs = data; | |
5765 | ||
5766 | if (vif->type != NL80211_IFTYPE_STATION) | |
5767 | return; | |
5768 | ||
5769 | if (ath10k_mac_tdls_vif_stations_count(arvif->ar->hw, vif) > 0) | |
5770 | (*num_tdls_vifs)++; | |
5771 | } | |
5772 | ||
5773 | static int ath10k_mac_tdls_vifs_count(struct ieee80211_hw *hw) | |
5774 | { | |
5775 | int num_tdls_vifs = 0; | |
5776 | ||
5777 | ieee80211_iterate_active_interfaces_atomic(hw, | |
5778 | IEEE80211_IFACE_ITER_NORMAL, | |
5779 | ath10k_mac_tdls_vifs_count_iter, | |
5780 | &num_tdls_vifs); | |
5781 | return num_tdls_vifs; | |
5782 | } | |
5783 | ||
5e3dd157 KV |
5784 | static int ath10k_sta_state(struct ieee80211_hw *hw, |
5785 | struct ieee80211_vif *vif, | |
5786 | struct ieee80211_sta *sta, | |
5787 | enum ieee80211_sta_state old_state, | |
5788 | enum ieee80211_sta_state new_state) | |
5789 | { | |
5790 | struct ath10k *ar = hw->priv; | |
5791 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
9797febc | 5792 | struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; |
bb8f0c6a | 5793 | struct ath10k_peer *peer; |
5e3dd157 | 5794 | int ret = 0; |
6942726f | 5795 | int i; |
5e3dd157 | 5796 | |
76f90024 MK |
5797 | if (old_state == IEEE80211_STA_NOTEXIST && |
5798 | new_state == IEEE80211_STA_NONE) { | |
5799 | memset(arsta, 0, sizeof(*arsta)); | |
5800 | arsta->arvif = arvif; | |
5801 | INIT_WORK(&arsta->update_wk, ath10k_sta_rc_update_wk); | |
29946878 MK |
5802 | |
5803 | for (i = 0; i < ARRAY_SIZE(sta->txq); i++) | |
5804 | ath10k_mac_txq_init(sta->txq[i]); | |
76f90024 MK |
5805 | } |
5806 | ||
9797febc MK |
5807 | /* cancel must be done outside the mutex to avoid deadlock */ |
5808 | if ((old_state == IEEE80211_STA_NONE && | |
5809 | new_state == IEEE80211_STA_NOTEXIST)) | |
5810 | cancel_work_sync(&arsta->update_wk); | |
5811 | ||
5e3dd157 KV |
5812 | mutex_lock(&ar->conf_mutex); |
5813 | ||
5814 | if (old_state == IEEE80211_STA_NOTEXIST && | |
077efc8c | 5815 | new_state == IEEE80211_STA_NONE) { |
5e3dd157 KV |
5816 | /* |
5817 | * New station addition. | |
5818 | */ | |
75d85fd9 MP |
5819 | enum wmi_peer_type peer_type = WMI_PEER_TYPE_DEFAULT; |
5820 | u32 num_tdls_stations; | |
5821 | u32 num_tdls_vifs; | |
5822 | ||
cfd1061e MK |
5823 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
5824 | "mac vdev %d peer create %pM (new sta) sta %d / %d peer %d / %d\n", | |
5825 | arvif->vdev_id, sta->addr, | |
5826 | ar->num_stations + 1, ar->max_num_stations, | |
5827 | ar->num_peers + 1, ar->max_num_peers); | |
0e759f36 | 5828 | |
7c354242 | 5829 | ret = ath10k_mac_inc_num_stations(arvif, sta); |
cfd1061e MK |
5830 | if (ret) { |
5831 | ath10k_warn(ar, "refusing to associate station: too many connected already (%d)\n", | |
5832 | ar->max_num_stations); | |
0e759f36 BM |
5833 | goto exit; |
5834 | } | |
5835 | ||
75d85fd9 MP |
5836 | if (sta->tdls) |
5837 | peer_type = WMI_PEER_TYPE_TDLS; | |
5838 | ||
6942726f MK |
5839 | ret = ath10k_peer_create(ar, vif, sta, arvif->vdev_id, |
5840 | sta->addr, peer_type); | |
a52c0282 | 5841 | if (ret) { |
7aa7a72a | 5842 | ath10k_warn(ar, "failed to add peer %pM for vdev %d when adding a new sta: %i\n", |
479398b0 | 5843 | sta->addr, arvif->vdev_id, ret); |
7c354242 | 5844 | ath10k_mac_dec_num_stations(arvif, sta); |
a52c0282 MK |
5845 | goto exit; |
5846 | } | |
077efc8c | 5847 | |
bb8f0c6a MK |
5848 | spin_lock_bh(&ar->data_lock); |
5849 | ||
5850 | peer = ath10k_peer_find(ar, arvif->vdev_id, sta->addr); | |
5851 | if (!peer) { | |
5852 | ath10k_warn(ar, "failed to lookup peer %pM on vdev %i\n", | |
5853 | vif->addr, arvif->vdev_id); | |
5854 | spin_unlock_bh(&ar->data_lock); | |
5855 | ath10k_peer_delete(ar, arvif->vdev_id, sta->addr); | |
5856 | ath10k_mac_dec_num_stations(arvif, sta); | |
5857 | ret = -ENOENT; | |
5858 | goto exit; | |
5859 | } | |
5860 | ||
5861 | arsta->peer_id = find_first_bit(peer->peer_ids, | |
5862 | ATH10K_MAX_NUM_PEER_IDS); | |
5863 | ||
5864 | spin_unlock_bh(&ar->data_lock); | |
5865 | ||
75d85fd9 MP |
5866 | if (!sta->tdls) |
5867 | goto exit; | |
5868 | ||
5869 | num_tdls_stations = ath10k_mac_tdls_vif_stations_count(hw, vif); | |
5870 | num_tdls_vifs = ath10k_mac_tdls_vifs_count(hw); | |
5871 | ||
5872 | if (num_tdls_vifs >= ar->max_num_tdls_vdevs && | |
5873 | num_tdls_stations == 0) { | |
5874 | ath10k_warn(ar, "vdev %i exceeded maximum number of tdls vdevs %i\n", | |
5875 | arvif->vdev_id, ar->max_num_tdls_vdevs); | |
5876 | ath10k_peer_delete(ar, arvif->vdev_id, sta->addr); | |
5877 | ath10k_mac_dec_num_stations(arvif, sta); | |
5878 | ret = -ENOBUFS; | |
a52c0282 MK |
5879 | goto exit; |
5880 | } | |
077efc8c | 5881 | |
75d85fd9 MP |
5882 | if (num_tdls_stations == 0) { |
5883 | /* This is the first tdls peer in current vif */ | |
5884 | enum wmi_tdls_state state = WMI_TDLS_ENABLE_ACTIVE; | |
077efc8c | 5885 | |
75d85fd9 MP |
5886 | ret = ath10k_wmi_update_fw_tdls_state(ar, arvif->vdev_id, |
5887 | state); | |
077efc8c | 5888 | if (ret) { |
75d85fd9 | 5889 | ath10k_warn(ar, "failed to update fw tdls state on vdev %i: %i\n", |
077efc8c | 5890 | arvif->vdev_id, ret); |
75d85fd9 MP |
5891 | ath10k_peer_delete(ar, arvif->vdev_id, |
5892 | sta->addr); | |
5893 | ath10k_mac_dec_num_stations(arvif, sta); | |
077efc8c MK |
5894 | goto exit; |
5895 | } | |
75d85fd9 MP |
5896 | } |
5897 | ||
5898 | ret = ath10k_mac_tdls_peer_update(ar, arvif->vdev_id, sta, | |
5899 | WMI_TDLS_PEER_STATE_PEERING); | |
5900 | if (ret) { | |
5901 | ath10k_warn(ar, | |
5902 | "failed to update tdls peer %pM for vdev %d when adding a new sta: %i\n", | |
5903 | sta->addr, arvif->vdev_id, ret); | |
5904 | ath10k_peer_delete(ar, arvif->vdev_id, sta->addr); | |
5905 | ath10k_mac_dec_num_stations(arvif, sta); | |
077efc8c | 5906 | |
75d85fd9 MP |
5907 | if (num_tdls_stations != 0) |
5908 | goto exit; | |
5909 | ath10k_wmi_update_fw_tdls_state(ar, arvif->vdev_id, | |
5910 | WMI_TDLS_DISABLE); | |
077efc8c | 5911 | } |
5e3dd157 KV |
5912 | } else if ((old_state == IEEE80211_STA_NONE && |
5913 | new_state == IEEE80211_STA_NOTEXIST)) { | |
5914 | /* | |
5915 | * Existing station deletion. | |
5916 | */ | |
7aa7a72a | 5917 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
60c3daa8 KV |
5918 | "mac vdev %d peer delete %pM (sta gone)\n", |
5919 | arvif->vdev_id, sta->addr); | |
077efc8c | 5920 | |
5e3dd157 KV |
5921 | ret = ath10k_peer_delete(ar, arvif->vdev_id, sta->addr); |
5922 | if (ret) | |
7aa7a72a | 5923 | ath10k_warn(ar, "failed to delete peer %pM for vdev %d: %i\n", |
69244e56 | 5924 | sta->addr, arvif->vdev_id, ret); |
5e3dd157 | 5925 | |
7c354242 | 5926 | ath10k_mac_dec_num_stations(arvif, sta); |
75d85fd9 | 5927 | |
6942726f MK |
5928 | spin_lock_bh(&ar->data_lock); |
5929 | for (i = 0; i < ARRAY_SIZE(ar->peer_map); i++) { | |
5930 | peer = ar->peer_map[i]; | |
5931 | if (!peer) | |
5932 | continue; | |
5933 | ||
5934 | if (peer->sta == sta) { | |
5935 | ath10k_warn(ar, "found sta peer %pM entry on vdev %i after it was supposedly removed\n", | |
5936 | sta->addr, arvif->vdev_id); | |
5937 | peer->sta = NULL; | |
5938 | } | |
5939 | } | |
5940 | spin_unlock_bh(&ar->data_lock); | |
5941 | ||
29946878 MK |
5942 | for (i = 0; i < ARRAY_SIZE(sta->txq); i++) |
5943 | ath10k_mac_txq_unref(ar, sta->txq[i]); | |
5944 | ||
75d85fd9 MP |
5945 | if (!sta->tdls) |
5946 | goto exit; | |
5947 | ||
5948 | if (ath10k_mac_tdls_vif_stations_count(hw, vif)) | |
5949 | goto exit; | |
5950 | ||
5951 | /* This was the last tdls peer in current vif */ | |
5952 | ret = ath10k_wmi_update_fw_tdls_state(ar, arvif->vdev_id, | |
5953 | WMI_TDLS_DISABLE); | |
5954 | if (ret) { | |
5955 | ath10k_warn(ar, "failed to update fw tdls state on vdev %i: %i\n", | |
5956 | arvif->vdev_id, ret); | |
5957 | } | |
5e3dd157 KV |
5958 | } else if (old_state == IEEE80211_STA_AUTH && |
5959 | new_state == IEEE80211_STA_ASSOC && | |
5960 | (vif->type == NL80211_IFTYPE_AP || | |
b6c7bafa | 5961 | vif->type == NL80211_IFTYPE_MESH_POINT || |
5e3dd157 KV |
5962 | vif->type == NL80211_IFTYPE_ADHOC)) { |
5963 | /* | |
5964 | * New association. | |
5965 | */ | |
7aa7a72a | 5966 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac sta %pM associated\n", |
60c3daa8 KV |
5967 | sta->addr); |
5968 | ||
590922a8 | 5969 | ret = ath10k_station_assoc(ar, vif, sta, false); |
5e3dd157 | 5970 | if (ret) |
7aa7a72a | 5971 | ath10k_warn(ar, "failed to associate station %pM for vdev %i: %i\n", |
69244e56 | 5972 | sta->addr, arvif->vdev_id, ret); |
5e3dd157 | 5973 | } else if (old_state == IEEE80211_STA_ASSOC && |
75d85fd9 MP |
5974 | new_state == IEEE80211_STA_AUTHORIZED && |
5975 | sta->tdls) { | |
5976 | /* | |
5977 | * Tdls station authorized. | |
5978 | */ | |
5979 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac tdls sta %pM authorized\n", | |
5980 | sta->addr); | |
5981 | ||
5982 | ret = ath10k_station_assoc(ar, vif, sta, false); | |
5983 | if (ret) { | |
5984 | ath10k_warn(ar, "failed to associate tdls station %pM for vdev %i: %i\n", | |
5985 | sta->addr, arvif->vdev_id, ret); | |
5986 | goto exit; | |
5987 | } | |
5988 | ||
5989 | ret = ath10k_mac_tdls_peer_update(ar, arvif->vdev_id, sta, | |
5990 | WMI_TDLS_PEER_STATE_CONNECTED); | |
5991 | if (ret) | |
5992 | ath10k_warn(ar, "failed to update tdls peer %pM for vdev %i: %i\n", | |
5993 | sta->addr, arvif->vdev_id, ret); | |
5994 | } else if (old_state == IEEE80211_STA_ASSOC && | |
5995 | new_state == IEEE80211_STA_AUTH && | |
5996 | (vif->type == NL80211_IFTYPE_AP || | |
b6c7bafa | 5997 | vif->type == NL80211_IFTYPE_MESH_POINT || |
75d85fd9 | 5998 | vif->type == NL80211_IFTYPE_ADHOC)) { |
5e3dd157 KV |
5999 | /* |
6000 | * Disassociation. | |
6001 | */ | |
7aa7a72a | 6002 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac sta %pM disassociated\n", |
60c3daa8 KV |
6003 | sta->addr); |
6004 | ||
590922a8 | 6005 | ret = ath10k_station_disassoc(ar, vif, sta); |
5e3dd157 | 6006 | if (ret) |
7aa7a72a | 6007 | ath10k_warn(ar, "failed to disassociate station: %pM vdev %i: %i\n", |
69244e56 | 6008 | sta->addr, arvif->vdev_id, ret); |
5e3dd157 | 6009 | } |
0e759f36 | 6010 | exit: |
5e3dd157 KV |
6011 | mutex_unlock(&ar->conf_mutex); |
6012 | return ret; | |
6013 | } | |
6014 | ||
6015 | static int ath10k_conf_tx_uapsd(struct ath10k *ar, struct ieee80211_vif *vif, | |
5b07e07f | 6016 | u16 ac, bool enable) |
5e3dd157 KV |
6017 | { |
6018 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
b0e56154 MK |
6019 | struct wmi_sta_uapsd_auto_trig_arg arg = {}; |
6020 | u32 prio = 0, acc = 0; | |
5e3dd157 KV |
6021 | u32 value = 0; |
6022 | int ret = 0; | |
6023 | ||
548db54c MK |
6024 | lockdep_assert_held(&ar->conf_mutex); |
6025 | ||
5e3dd157 KV |
6026 | if (arvif->vdev_type != WMI_VDEV_TYPE_STA) |
6027 | return 0; | |
6028 | ||
6029 | switch (ac) { | |
6030 | case IEEE80211_AC_VO: | |
6031 | value = WMI_STA_PS_UAPSD_AC3_DELIVERY_EN | | |
6032 | WMI_STA_PS_UAPSD_AC3_TRIGGER_EN; | |
b0e56154 MK |
6033 | prio = 7; |
6034 | acc = 3; | |
5e3dd157 KV |
6035 | break; |
6036 | case IEEE80211_AC_VI: | |
6037 | value = WMI_STA_PS_UAPSD_AC2_DELIVERY_EN | | |
6038 | WMI_STA_PS_UAPSD_AC2_TRIGGER_EN; | |
b0e56154 MK |
6039 | prio = 5; |
6040 | acc = 2; | |
5e3dd157 KV |
6041 | break; |
6042 | case IEEE80211_AC_BE: | |
6043 | value = WMI_STA_PS_UAPSD_AC1_DELIVERY_EN | | |
6044 | WMI_STA_PS_UAPSD_AC1_TRIGGER_EN; | |
b0e56154 MK |
6045 | prio = 2; |
6046 | acc = 1; | |
5e3dd157 KV |
6047 | break; |
6048 | case IEEE80211_AC_BK: | |
6049 | value = WMI_STA_PS_UAPSD_AC0_DELIVERY_EN | | |
6050 | WMI_STA_PS_UAPSD_AC0_TRIGGER_EN; | |
b0e56154 MK |
6051 | prio = 0; |
6052 | acc = 0; | |
5e3dd157 KV |
6053 | break; |
6054 | } | |
6055 | ||
6056 | if (enable) | |
6057 | arvif->u.sta.uapsd |= value; | |
6058 | else | |
6059 | arvif->u.sta.uapsd &= ~value; | |
6060 | ||
6061 | ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, | |
6062 | WMI_STA_PS_PARAM_UAPSD, | |
6063 | arvif->u.sta.uapsd); | |
6064 | if (ret) { | |
7aa7a72a | 6065 | ath10k_warn(ar, "failed to set uapsd params: %d\n", ret); |
5e3dd157 KV |
6066 | goto exit; |
6067 | } | |
6068 | ||
6069 | if (arvif->u.sta.uapsd) | |
6070 | value = WMI_STA_PS_RX_WAKE_POLICY_POLL_UAPSD; | |
6071 | else | |
6072 | value = WMI_STA_PS_RX_WAKE_POLICY_WAKE; | |
6073 | ||
6074 | ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, | |
6075 | WMI_STA_PS_PARAM_RX_WAKE_POLICY, | |
6076 | value); | |
6077 | if (ret) | |
7aa7a72a | 6078 | ath10k_warn(ar, "failed to set rx wake param: %d\n", ret); |
5e3dd157 | 6079 | |
9f9b5746 MK |
6080 | ret = ath10k_mac_vif_recalc_ps_wake_threshold(arvif); |
6081 | if (ret) { | |
6082 | ath10k_warn(ar, "failed to recalc ps wake threshold on vdev %i: %d\n", | |
6083 | arvif->vdev_id, ret); | |
6084 | return ret; | |
6085 | } | |
6086 | ||
6087 | ret = ath10k_mac_vif_recalc_ps_poll_count(arvif); | |
6088 | if (ret) { | |
6089 | ath10k_warn(ar, "failed to recalc ps poll count on vdev %i: %d\n", | |
6090 | arvif->vdev_id, ret); | |
6091 | return ret; | |
6092 | } | |
6093 | ||
b0e56154 MK |
6094 | if (test_bit(WMI_SERVICE_STA_UAPSD_BASIC_AUTO_TRIG, ar->wmi.svc_map) || |
6095 | test_bit(WMI_SERVICE_STA_UAPSD_VAR_AUTO_TRIG, ar->wmi.svc_map)) { | |
6096 | /* Only userspace can make an educated decision when to send | |
6097 | * trigger frame. The following effectively disables u-UAPSD | |
6098 | * autotrigger in firmware (which is enabled by default | |
6099 | * provided the autotrigger service is available). | |
6100 | */ | |
6101 | ||
6102 | arg.wmm_ac = acc; | |
6103 | arg.user_priority = prio; | |
6104 | arg.service_interval = 0; | |
6105 | arg.suspend_interval = WMI_STA_UAPSD_MAX_INTERVAL_MSEC; | |
6106 | arg.delay_interval = WMI_STA_UAPSD_MAX_INTERVAL_MSEC; | |
6107 | ||
6108 | ret = ath10k_wmi_vdev_sta_uapsd(ar, arvif->vdev_id, | |
6109 | arvif->bssid, &arg, 1); | |
6110 | if (ret) { | |
6111 | ath10k_warn(ar, "failed to set uapsd auto trigger %d\n", | |
6112 | ret); | |
6113 | return ret; | |
6114 | } | |
6115 | } | |
6116 | ||
5e3dd157 KV |
6117 | exit: |
6118 | return ret; | |
6119 | } | |
6120 | ||
6121 | static int ath10k_conf_tx(struct ieee80211_hw *hw, | |
6122 | struct ieee80211_vif *vif, u16 ac, | |
6123 | const struct ieee80211_tx_queue_params *params) | |
6124 | { | |
6125 | struct ath10k *ar = hw->priv; | |
5e752e42 | 6126 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); |
5e3dd157 KV |
6127 | struct wmi_wmm_params_arg *p = NULL; |
6128 | int ret; | |
6129 | ||
6130 | mutex_lock(&ar->conf_mutex); | |
6131 | ||
6132 | switch (ac) { | |
6133 | case IEEE80211_AC_VO: | |
5e752e42 | 6134 | p = &arvif->wmm_params.ac_vo; |
5e3dd157 KV |
6135 | break; |
6136 | case IEEE80211_AC_VI: | |
5e752e42 | 6137 | p = &arvif->wmm_params.ac_vi; |
5e3dd157 KV |
6138 | break; |
6139 | case IEEE80211_AC_BE: | |
5e752e42 | 6140 | p = &arvif->wmm_params.ac_be; |
5e3dd157 KV |
6141 | break; |
6142 | case IEEE80211_AC_BK: | |
5e752e42 | 6143 | p = &arvif->wmm_params.ac_bk; |
5e3dd157 KV |
6144 | break; |
6145 | } | |
6146 | ||
6147 | if (WARN_ON(!p)) { | |
6148 | ret = -EINVAL; | |
6149 | goto exit; | |
6150 | } | |
6151 | ||
6152 | p->cwmin = params->cw_min; | |
6153 | p->cwmax = params->cw_max; | |
6154 | p->aifs = params->aifs; | |
6155 | ||
6156 | /* | |
6157 | * The channel time duration programmed in the HW is in absolute | |
6158 | * microseconds, while mac80211 gives the txop in units of | |
6159 | * 32 microseconds. | |
6160 | */ | |
6161 | p->txop = params->txop * 32; | |
6162 | ||
7fc979a7 MK |
6163 | if (ar->wmi.ops->gen_vdev_wmm_conf) { |
6164 | ret = ath10k_wmi_vdev_wmm_conf(ar, arvif->vdev_id, | |
6165 | &arvif->wmm_params); | |
6166 | if (ret) { | |
6167 | ath10k_warn(ar, "failed to set vdev wmm params on vdev %i: %d\n", | |
6168 | arvif->vdev_id, ret); | |
6169 | goto exit; | |
6170 | } | |
6171 | } else { | |
6172 | /* This won't work well with multi-interface cases but it's | |
6173 | * better than nothing. | |
6174 | */ | |
6175 | ret = ath10k_wmi_pdev_set_wmm_params(ar, &arvif->wmm_params); | |
6176 | if (ret) { | |
6177 | ath10k_warn(ar, "failed to set wmm params: %d\n", ret); | |
6178 | goto exit; | |
6179 | } | |
5e3dd157 KV |
6180 | } |
6181 | ||
6182 | ret = ath10k_conf_tx_uapsd(ar, vif, ac, params->uapsd); | |
6183 | if (ret) | |
7aa7a72a | 6184 | ath10k_warn(ar, "failed to set sta uapsd: %d\n", ret); |
5e3dd157 KV |
6185 | |
6186 | exit: | |
6187 | mutex_unlock(&ar->conf_mutex); | |
6188 | return ret; | |
6189 | } | |
6190 | ||
14e105cd | 6191 | #define ATH10K_ROC_TIMEOUT_HZ (2 * HZ) |
5e3dd157 KV |
6192 | |
6193 | static int ath10k_remain_on_channel(struct ieee80211_hw *hw, | |
6194 | struct ieee80211_vif *vif, | |
6195 | struct ieee80211_channel *chan, | |
6196 | int duration, | |
6197 | enum ieee80211_roc_type type) | |
6198 | { | |
6199 | struct ath10k *ar = hw->priv; | |
6200 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
6201 | struct wmi_start_scan_arg arg; | |
5c81c7fd | 6202 | int ret = 0; |
fcf98446 | 6203 | u32 scan_time_msec; |
5e3dd157 KV |
6204 | |
6205 | mutex_lock(&ar->conf_mutex); | |
6206 | ||
6207 | spin_lock_bh(&ar->data_lock); | |
5c81c7fd MK |
6208 | switch (ar->scan.state) { |
6209 | case ATH10K_SCAN_IDLE: | |
6210 | reinit_completion(&ar->scan.started); | |
6211 | reinit_completion(&ar->scan.completed); | |
6212 | reinit_completion(&ar->scan.on_channel); | |
6213 | ar->scan.state = ATH10K_SCAN_STARTING; | |
6214 | ar->scan.is_roc = true; | |
6215 | ar->scan.vdev_id = arvif->vdev_id; | |
6216 | ar->scan.roc_freq = chan->center_freq; | |
d710e75d | 6217 | ar->scan.roc_notify = true; |
5c81c7fd MK |
6218 | ret = 0; |
6219 | break; | |
6220 | case ATH10K_SCAN_STARTING: | |
6221 | case ATH10K_SCAN_RUNNING: | |
6222 | case ATH10K_SCAN_ABORTING: | |
5e3dd157 | 6223 | ret = -EBUSY; |
5c81c7fd | 6224 | break; |
5e3dd157 | 6225 | } |
5e3dd157 KV |
6226 | spin_unlock_bh(&ar->data_lock); |
6227 | ||
5c81c7fd MK |
6228 | if (ret) |
6229 | goto exit; | |
6230 | ||
fcf98446 | 6231 | scan_time_msec = ar->hw->wiphy->max_remain_on_channel_duration * 2; |
dcca0bdb | 6232 | |
5e3dd157 KV |
6233 | memset(&arg, 0, sizeof(arg)); |
6234 | ath10k_wmi_start_scan_init(ar, &arg); | |
6235 | arg.vdev_id = arvif->vdev_id; | |
6236 | arg.scan_id = ATH10K_SCAN_ID; | |
6237 | arg.n_channels = 1; | |
6238 | arg.channels[0] = chan->center_freq; | |
fcf98446 MK |
6239 | arg.dwell_time_active = scan_time_msec; |
6240 | arg.dwell_time_passive = scan_time_msec; | |
6241 | arg.max_scan_time = scan_time_msec; | |
5e3dd157 KV |
6242 | arg.scan_ctrl_flags |= WMI_SCAN_FLAG_PASSIVE; |
6243 | arg.scan_ctrl_flags |= WMI_SCAN_FILTER_PROBE_REQ; | |
dbd3f9f3 | 6244 | arg.burst_duration_ms = duration; |
5e3dd157 KV |
6245 | |
6246 | ret = ath10k_start_scan(ar, &arg); | |
6247 | if (ret) { | |
7aa7a72a | 6248 | ath10k_warn(ar, "failed to start roc scan: %d\n", ret); |
5e3dd157 | 6249 | spin_lock_bh(&ar->data_lock); |
5c81c7fd | 6250 | ar->scan.state = ATH10K_SCAN_IDLE; |
5e3dd157 KV |
6251 | spin_unlock_bh(&ar->data_lock); |
6252 | goto exit; | |
6253 | } | |
6254 | ||
14e105cd | 6255 | ret = wait_for_completion_timeout(&ar->scan.on_channel, 3 * HZ); |
5e3dd157 | 6256 | if (ret == 0) { |
7aa7a72a | 6257 | ath10k_warn(ar, "failed to switch to channel for roc scan\n"); |
5c81c7fd MK |
6258 | |
6259 | ret = ath10k_scan_stop(ar); | |
6260 | if (ret) | |
7aa7a72a | 6261 | ath10k_warn(ar, "failed to stop scan: %d\n", ret); |
5c81c7fd | 6262 | |
5e3dd157 KV |
6263 | ret = -ETIMEDOUT; |
6264 | goto exit; | |
6265 | } | |
6266 | ||
fcf98446 MK |
6267 | ieee80211_queue_delayed_work(ar->hw, &ar->scan.timeout, |
6268 | msecs_to_jiffies(duration)); | |
6269 | ||
5e3dd157 KV |
6270 | ret = 0; |
6271 | exit: | |
6272 | mutex_unlock(&ar->conf_mutex); | |
6273 | return ret; | |
6274 | } | |
6275 | ||
6276 | static int ath10k_cancel_remain_on_channel(struct ieee80211_hw *hw) | |
6277 | { | |
6278 | struct ath10k *ar = hw->priv; | |
6279 | ||
6280 | mutex_lock(&ar->conf_mutex); | |
d710e75d MK |
6281 | |
6282 | spin_lock_bh(&ar->data_lock); | |
6283 | ar->scan.roc_notify = false; | |
6284 | spin_unlock_bh(&ar->data_lock); | |
6285 | ||
5c81c7fd | 6286 | ath10k_scan_abort(ar); |
d710e75d | 6287 | |
5e3dd157 KV |
6288 | mutex_unlock(&ar->conf_mutex); |
6289 | ||
4eb2e164 MK |
6290 | cancel_delayed_work_sync(&ar->scan.timeout); |
6291 | ||
5e3dd157 KV |
6292 | return 0; |
6293 | } | |
6294 | ||
6295 | /* | |
6296 | * Both RTS and Fragmentation threshold are interface-specific | |
6297 | * in ath10k, but device-specific in mac80211. | |
6298 | */ | |
5e3dd157 | 6299 | |
ad088bfa MK |
6300 | static int ath10k_set_rts_threshold(struct ieee80211_hw *hw, u32 value) |
6301 | { | |
6302 | struct ath10k *ar = hw->priv; | |
6303 | struct ath10k_vif *arvif; | |
6304 | int ret = 0; | |
548db54c | 6305 | |
5e3dd157 | 6306 | mutex_lock(&ar->conf_mutex); |
ad088bfa | 6307 | list_for_each_entry(arvif, &ar->arvifs, list) { |
7aa7a72a | 6308 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d rts threshold %d\n", |
ad088bfa MK |
6309 | arvif->vdev_id, value); |
6310 | ||
6311 | ret = ath10k_mac_set_rts(arvif, value); | |
6312 | if (ret) { | |
7aa7a72a | 6313 | ath10k_warn(ar, "failed to set rts threshold for vdev %d: %d\n", |
ad088bfa MK |
6314 | arvif->vdev_id, ret); |
6315 | break; | |
6316 | } | |
6317 | } | |
5e3dd157 KV |
6318 | mutex_unlock(&ar->conf_mutex); |
6319 | ||
ad088bfa | 6320 | return ret; |
5e3dd157 KV |
6321 | } |
6322 | ||
92092fe5 MK |
6323 | static int ath10k_mac_op_set_frag_threshold(struct ieee80211_hw *hw, u32 value) |
6324 | { | |
6325 | /* Even though there's a WMI enum for fragmentation threshold no known | |
6326 | * firmware actually implements it. Moreover it is not possible to rely | |
6327 | * frame fragmentation to mac80211 because firmware clears the "more | |
6328 | * fragments" bit in frame control making it impossible for remote | |
6329 | * devices to reassemble frames. | |
6330 | * | |
6331 | * Hence implement a dummy callback just to say fragmentation isn't | |
6332 | * supported. This effectively prevents mac80211 from doing frame | |
6333 | * fragmentation in software. | |
6334 | */ | |
6335 | return -EOPNOTSUPP; | |
6336 | } | |
6337 | ||
77be2c54 EG |
6338 | static void ath10k_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
6339 | u32 queues, bool drop) | |
5e3dd157 KV |
6340 | { |
6341 | struct ath10k *ar = hw->priv; | |
affd3217 | 6342 | bool skip; |
d4298a3a | 6343 | long time_left; |
5e3dd157 KV |
6344 | |
6345 | /* mac80211 doesn't care if we really xmit queued frames or not | |
6346 | * we'll collect those frames either way if we stop/delete vdevs */ | |
6347 | if (drop) | |
6348 | return; | |
6349 | ||
548db54c MK |
6350 | mutex_lock(&ar->conf_mutex); |
6351 | ||
affd3217 MK |
6352 | if (ar->state == ATH10K_STATE_WEDGED) |
6353 | goto skip; | |
6354 | ||
d4298a3a | 6355 | time_left = wait_event_timeout(ar->htt.empty_tx_wq, ({ |
5e3dd157 | 6356 | bool empty; |
affd3217 | 6357 | |
edb8236d | 6358 | spin_lock_bh(&ar->htt.tx_lock); |
0945baf7 | 6359 | empty = (ar->htt.num_pending_tx == 0); |
edb8236d | 6360 | spin_unlock_bh(&ar->htt.tx_lock); |
affd3217 | 6361 | |
7962b0d8 MK |
6362 | skip = (ar->state == ATH10K_STATE_WEDGED) || |
6363 | test_bit(ATH10K_FLAG_CRASH_FLUSH, | |
6364 | &ar->dev_flags); | |
affd3217 MK |
6365 | |
6366 | (empty || skip); | |
5e3dd157 | 6367 | }), ATH10K_FLUSH_TIMEOUT_HZ); |
affd3217 | 6368 | |
d4298a3a NMG |
6369 | if (time_left == 0 || skip) |
6370 | ath10k_warn(ar, "failed to flush transmit queue (skip %i ar-state %i): %ld\n", | |
6371 | skip, ar->state, time_left); | |
548db54c | 6372 | |
affd3217 | 6373 | skip: |
548db54c | 6374 | mutex_unlock(&ar->conf_mutex); |
5e3dd157 KV |
6375 | } |
6376 | ||
6377 | /* TODO: Implement this function properly | |
6378 | * For now it is needed to reply to Probe Requests in IBSS mode. | |
6379 | * Propably we need this information from FW. | |
6380 | */ | |
6381 | static int ath10k_tx_last_beacon(struct ieee80211_hw *hw) | |
6382 | { | |
6383 | return 1; | |
6384 | } | |
6385 | ||
cf2c92d8 EP |
6386 | static void ath10k_reconfig_complete(struct ieee80211_hw *hw, |
6387 | enum ieee80211_reconfig_type reconfig_type) | |
affd3217 MK |
6388 | { |
6389 | struct ath10k *ar = hw->priv; | |
6390 | ||
cf2c92d8 EP |
6391 | if (reconfig_type != IEEE80211_RECONFIG_TYPE_RESTART) |
6392 | return; | |
6393 | ||
affd3217 MK |
6394 | mutex_lock(&ar->conf_mutex); |
6395 | ||
6396 | /* If device failed to restart it will be in a different state, e.g. | |
6397 | * ATH10K_STATE_WEDGED */ | |
6398 | if (ar->state == ATH10K_STATE_RESTARTED) { | |
7aa7a72a | 6399 | ath10k_info(ar, "device successfully recovered\n"); |
affd3217 | 6400 | ar->state = ATH10K_STATE_ON; |
7962b0d8 | 6401 | ieee80211_wake_queues(ar->hw); |
affd3217 MK |
6402 | } |
6403 | ||
6404 | mutex_unlock(&ar->conf_mutex); | |
6405 | } | |
6406 | ||
fa7937e3 RM |
6407 | static void |
6408 | ath10k_mac_update_bss_chan_survey(struct ath10k *ar, | |
6409 | struct ieee80211_channel *channel) | |
6410 | { | |
6411 | int ret; | |
6412 | enum wmi_bss_survey_req_type type = WMI_BSS_SURVEY_REQ_TYPE_READ_CLEAR; | |
6413 | ||
6414 | lockdep_assert_held(&ar->conf_mutex); | |
6415 | ||
6416 | if (!test_bit(WMI_SERVICE_BSS_CHANNEL_INFO_64, ar->wmi.svc_map) || | |
6417 | (ar->rx_channel != channel)) | |
6418 | return; | |
6419 | ||
6420 | if (ar->scan.state != ATH10K_SCAN_IDLE) { | |
6421 | ath10k_dbg(ar, ATH10K_DBG_MAC, "ignoring bss chan info request while scanning..\n"); | |
6422 | return; | |
6423 | } | |
6424 | ||
6425 | reinit_completion(&ar->bss_survey_done); | |
6426 | ||
6427 | ret = ath10k_wmi_pdev_bss_chan_info_request(ar, type); | |
6428 | if (ret) { | |
6429 | ath10k_warn(ar, "failed to send pdev bss chan info request\n"); | |
6430 | return; | |
6431 | } | |
6432 | ||
6433 | ret = wait_for_completion_timeout(&ar->bss_survey_done, 3 * HZ); | |
6434 | if (!ret) { | |
6435 | ath10k_warn(ar, "bss channel survey timed out\n"); | |
6436 | return; | |
6437 | } | |
6438 | } | |
6439 | ||
2e1dea40 MK |
6440 | static int ath10k_get_survey(struct ieee80211_hw *hw, int idx, |
6441 | struct survey_info *survey) | |
6442 | { | |
6443 | struct ath10k *ar = hw->priv; | |
6444 | struct ieee80211_supported_band *sband; | |
6445 | struct survey_info *ar_survey = &ar->survey[idx]; | |
6446 | int ret = 0; | |
6447 | ||
6448 | mutex_lock(&ar->conf_mutex); | |
6449 | ||
57fbcce3 | 6450 | sband = hw->wiphy->bands[NL80211_BAND_2GHZ]; |
2e1dea40 MK |
6451 | if (sband && idx >= sband->n_channels) { |
6452 | idx -= sband->n_channels; | |
6453 | sband = NULL; | |
6454 | } | |
6455 | ||
6456 | if (!sband) | |
57fbcce3 | 6457 | sband = hw->wiphy->bands[NL80211_BAND_5GHZ]; |
2e1dea40 MK |
6458 | |
6459 | if (!sband || idx >= sband->n_channels) { | |
6460 | ret = -ENOENT; | |
6461 | goto exit; | |
6462 | } | |
6463 | ||
fa7937e3 RM |
6464 | ath10k_mac_update_bss_chan_survey(ar, survey->channel); |
6465 | ||
2e1dea40 MK |
6466 | spin_lock_bh(&ar->data_lock); |
6467 | memcpy(survey, ar_survey, sizeof(*survey)); | |
6468 | spin_unlock_bh(&ar->data_lock); | |
6469 | ||
6470 | survey->channel = &sband->channels[idx]; | |
6471 | ||
fa1d4df8 FF |
6472 | if (ar->rx_channel == survey->channel) |
6473 | survey->filled |= SURVEY_INFO_IN_USE; | |
6474 | ||
2e1dea40 MK |
6475 | exit: |
6476 | mutex_unlock(&ar->conf_mutex); | |
6477 | return ret; | |
6478 | } | |
6479 | ||
51ab1a0a | 6480 | static bool |
3ae54225 | 6481 | ath10k_mac_bitrate_mask_has_single_rate(struct ath10k *ar, |
57fbcce3 | 6482 | enum nl80211_band band, |
3ae54225 | 6483 | const struct cfg80211_bitrate_mask *mask) |
51ab1a0a | 6484 | { |
3ae54225 MK |
6485 | int num_rates = 0; |
6486 | int i; | |
51ab1a0a | 6487 | |
3ae54225 | 6488 | num_rates += hweight32(mask->control[band].legacy); |
51ab1a0a | 6489 | |
3ae54225 MK |
6490 | for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++) |
6491 | num_rates += hweight8(mask->control[band].ht_mcs[i]); | |
51ab1a0a | 6492 | |
3ae54225 MK |
6493 | for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) |
6494 | num_rates += hweight16(mask->control[band].vht_mcs[i]); | |
51ab1a0a | 6495 | |
3ae54225 | 6496 | return num_rates == 1; |
51ab1a0a JD |
6497 | } |
6498 | ||
6499 | static bool | |
3ae54225 | 6500 | ath10k_mac_bitrate_mask_get_single_nss(struct ath10k *ar, |
57fbcce3 | 6501 | enum nl80211_band band, |
3ae54225 MK |
6502 | const struct cfg80211_bitrate_mask *mask, |
6503 | int *nss) | |
6504 | { | |
6505 | struct ieee80211_supported_band *sband = &ar->mac.sbands[band]; | |
6506 | u16 vht_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map); | |
6507 | u8 ht_nss_mask = 0; | |
6508 | u8 vht_nss_mask = 0; | |
6509 | int i; | |
51ab1a0a | 6510 | |
3ae54225 | 6511 | if (mask->control[band].legacy) |
51ab1a0a JD |
6512 | return false; |
6513 | ||
3ae54225 MK |
6514 | for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++) { |
6515 | if (mask->control[band].ht_mcs[i] == 0) | |
51ab1a0a | 6516 | continue; |
3ae54225 MK |
6517 | else if (mask->control[band].ht_mcs[i] == |
6518 | sband->ht_cap.mcs.rx_mask[i]) | |
6519 | ht_nss_mask |= BIT(i); | |
6520 | else | |
6521 | return false; | |
51ab1a0a JD |
6522 | } |
6523 | ||
3ae54225 MK |
6524 | for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) { |
6525 | if (mask->control[band].vht_mcs[i] == 0) | |
51ab1a0a | 6526 | continue; |
3ae54225 MK |
6527 | else if (mask->control[band].vht_mcs[i] == |
6528 | ath10k_mac_get_max_vht_mcs_map(vht_mcs_map, i)) | |
6529 | vht_nss_mask |= BIT(i); | |
6530 | else | |
6531 | return false; | |
51ab1a0a JD |
6532 | } |
6533 | ||
3ae54225 | 6534 | if (ht_nss_mask != vht_nss_mask) |
51ab1a0a JD |
6535 | return false; |
6536 | ||
3ae54225 | 6537 | if (ht_nss_mask == 0) |
51ab1a0a JD |
6538 | return false; |
6539 | ||
3ae54225 | 6540 | if (BIT(fls(ht_nss_mask)) - 1 != ht_nss_mask) |
51ab1a0a JD |
6541 | return false; |
6542 | ||
3ae54225 | 6543 | *nss = fls(ht_nss_mask); |
51ab1a0a JD |
6544 | |
6545 | return true; | |
6546 | } | |
6547 | ||
3ae54225 MK |
6548 | static int |
6549 | ath10k_mac_bitrate_mask_get_single_rate(struct ath10k *ar, | |
57fbcce3 | 6550 | enum nl80211_band band, |
3ae54225 MK |
6551 | const struct cfg80211_bitrate_mask *mask, |
6552 | u8 *rate, u8 *nss) | |
51ab1a0a | 6553 | { |
3ae54225 MK |
6554 | struct ieee80211_supported_band *sband = &ar->mac.sbands[band]; |
6555 | int rate_idx; | |
6556 | int i; | |
6557 | u16 bitrate; | |
6558 | u8 preamble; | |
6559 | u8 hw_rate; | |
51ab1a0a | 6560 | |
3ae54225 MK |
6561 | if (hweight32(mask->control[band].legacy) == 1) { |
6562 | rate_idx = ffs(mask->control[band].legacy) - 1; | |
51ab1a0a | 6563 | |
3ae54225 MK |
6564 | hw_rate = sband->bitrates[rate_idx].hw_value; |
6565 | bitrate = sband->bitrates[rate_idx].bitrate; | |
51ab1a0a | 6566 | |
3ae54225 MK |
6567 | if (ath10k_mac_bitrate_is_cck(bitrate)) |
6568 | preamble = WMI_RATE_PREAMBLE_CCK; | |
6569 | else | |
6570 | preamble = WMI_RATE_PREAMBLE_OFDM; | |
51ab1a0a | 6571 | |
3ae54225 MK |
6572 | *nss = 1; |
6573 | *rate = preamble << 6 | | |
6574 | (*nss - 1) << 4 | | |
6575 | hw_rate << 0; | |
51ab1a0a | 6576 | |
3ae54225 | 6577 | return 0; |
51ab1a0a JD |
6578 | } |
6579 | ||
3ae54225 MK |
6580 | for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++) { |
6581 | if (hweight8(mask->control[band].ht_mcs[i]) == 1) { | |
6582 | *nss = i + 1; | |
6583 | *rate = WMI_RATE_PREAMBLE_HT << 6 | | |
6584 | (*nss - 1) << 4 | | |
6585 | (ffs(mask->control[band].ht_mcs[i]) - 1); | |
51ab1a0a | 6586 | |
3ae54225 MK |
6587 | return 0; |
6588 | } | |
6589 | } | |
51ab1a0a | 6590 | |
3ae54225 MK |
6591 | for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) { |
6592 | if (hweight16(mask->control[band].vht_mcs[i]) == 1) { | |
6593 | *nss = i + 1; | |
6594 | *rate = WMI_RATE_PREAMBLE_VHT << 6 | | |
6595 | (*nss - 1) << 4 | | |
6596 | (ffs(mask->control[band].vht_mcs[i]) - 1); | |
51ab1a0a | 6597 | |
3ae54225 MK |
6598 | return 0; |
6599 | } | |
6600 | } | |
51ab1a0a | 6601 | |
3ae54225 | 6602 | return -EINVAL; |
51ab1a0a JD |
6603 | } |
6604 | ||
3ae54225 | 6605 | static int ath10k_mac_set_fixed_rate_params(struct ath10k_vif *arvif, |
bd4a41e6 | 6606 | u8 rate, u8 nss, u8 sgi, u8 ldpc) |
51ab1a0a JD |
6607 | { |
6608 | struct ath10k *ar = arvif->ar; | |
6609 | u32 vdev_param; | |
3ae54225 | 6610 | int ret; |
51ab1a0a | 6611 | |
3ae54225 | 6612 | lockdep_assert_held(&ar->conf_mutex); |
51ab1a0a | 6613 | |
3ae54225 MK |
6614 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac set fixed rate params vdev %i rate 0x%02hhx nss %hhu sgi %hhu\n", |
6615 | arvif->vdev_id, rate, nss, sgi); | |
9f81f725 | 6616 | |
51ab1a0a | 6617 | vdev_param = ar->wmi.vdev_param->fixed_rate; |
3ae54225 | 6618 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, rate); |
51ab1a0a | 6619 | if (ret) { |
7aa7a72a | 6620 | ath10k_warn(ar, "failed to set fixed rate param 0x%02x: %d\n", |
3ae54225 MK |
6621 | rate, ret); |
6622 | return ret; | |
51ab1a0a JD |
6623 | } |
6624 | ||
51ab1a0a | 6625 | vdev_param = ar->wmi.vdev_param->nss; |
3ae54225 | 6626 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, nss); |
51ab1a0a | 6627 | if (ret) { |
3ae54225 MK |
6628 | ath10k_warn(ar, "failed to set nss param %d: %d\n", nss, ret); |
6629 | return ret; | |
51ab1a0a | 6630 | } |
51ab1a0a | 6631 | |
9f81f725 | 6632 | vdev_param = ar->wmi.vdev_param->sgi; |
3ae54225 | 6633 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, sgi); |
51ab1a0a | 6634 | if (ret) { |
3ae54225 MK |
6635 | ath10k_warn(ar, "failed to set sgi param %d: %d\n", sgi, ret); |
6636 | return ret; | |
51ab1a0a JD |
6637 | } |
6638 | ||
bd4a41e6 RM |
6639 | vdev_param = ar->wmi.vdev_param->ldpc; |
6640 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, ldpc); | |
6641 | if (ret) { | |
6642 | ath10k_warn(ar, "failed to set ldpc param %d: %d\n", ldpc, ret); | |
6643 | return ret; | |
6644 | } | |
6645 | ||
3ae54225 | 6646 | return 0; |
51ab1a0a | 6647 | } |
51ab1a0a | 6648 | |
45c9abc0 MK |
6649 | static bool |
6650 | ath10k_mac_can_set_bitrate_mask(struct ath10k *ar, | |
57fbcce3 | 6651 | enum nl80211_band band, |
45c9abc0 MK |
6652 | const struct cfg80211_bitrate_mask *mask) |
6653 | { | |
6654 | int i; | |
6655 | u16 vht_mcs; | |
9f81f725 | 6656 | |
45c9abc0 MK |
6657 | /* Due to firmware limitation in WMI_PEER_ASSOC_CMDID it is impossible |
6658 | * to express all VHT MCS rate masks. Effectively only the following | |
6659 | * ranges can be used: none, 0-7, 0-8 and 0-9. | |
6660 | */ | |
6661 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) { | |
6662 | vht_mcs = mask->control[band].vht_mcs[i]; | |
6663 | ||
6664 | switch (vht_mcs) { | |
6665 | case 0: | |
6666 | case BIT(8) - 1: | |
6667 | case BIT(9) - 1: | |
6668 | case BIT(10) - 1: | |
6669 | break; | |
6670 | default: | |
6671 | ath10k_warn(ar, "refusing bitrate mask with missing 0-7 VHT MCS rates\n"); | |
6672 | return false; | |
6673 | } | |
9f81f725 JD |
6674 | } |
6675 | ||
45c9abc0 MK |
6676 | return true; |
6677 | } | |
9f81f725 | 6678 | |
45c9abc0 MK |
6679 | static void ath10k_mac_set_bitrate_mask_iter(void *data, |
6680 | struct ieee80211_sta *sta) | |
6681 | { | |
6682 | struct ath10k_vif *arvif = data; | |
6683 | struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; | |
6684 | struct ath10k *ar = arvif->ar; | |
6685 | ||
6686 | if (arsta->arvif != arvif) | |
6687 | return; | |
6688 | ||
6689 | spin_lock_bh(&ar->data_lock); | |
6690 | arsta->changed |= IEEE80211_RC_SUPP_RATES_CHANGED; | |
6691 | spin_unlock_bh(&ar->data_lock); | |
6692 | ||
6693 | ieee80211_queue_work(ar->hw, &arsta->update_wk); | |
51ab1a0a JD |
6694 | } |
6695 | ||
3ae54225 MK |
6696 | static int ath10k_mac_op_set_bitrate_mask(struct ieee80211_hw *hw, |
6697 | struct ieee80211_vif *vif, | |
6698 | const struct cfg80211_bitrate_mask *mask) | |
51ab1a0a JD |
6699 | { |
6700 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
500ff9f9 | 6701 | struct cfg80211_chan_def def; |
51ab1a0a | 6702 | struct ath10k *ar = arvif->ar; |
57fbcce3 | 6703 | enum nl80211_band band; |
45c9abc0 MK |
6704 | const u8 *ht_mcs_mask; |
6705 | const u16 *vht_mcs_mask; | |
3ae54225 MK |
6706 | u8 rate; |
6707 | u8 nss; | |
6708 | u8 sgi; | |
bd4a41e6 | 6709 | u8 ldpc; |
3ae54225 MK |
6710 | int single_nss; |
6711 | int ret; | |
9f81f725 | 6712 | |
500ff9f9 MK |
6713 | if (ath10k_mac_vif_chan(vif, &def)) |
6714 | return -EPERM; | |
b116ea19 | 6715 | |
500ff9f9 | 6716 | band = def.chan->band; |
45c9abc0 MK |
6717 | ht_mcs_mask = mask->control[band].ht_mcs; |
6718 | vht_mcs_mask = mask->control[band].vht_mcs; | |
bd4a41e6 | 6719 | ldpc = !!(ar->ht_cap_info & WMI_HT_CAP_LDPC); |
b116ea19 | 6720 | |
3ae54225 MK |
6721 | sgi = mask->control[band].gi; |
6722 | if (sgi == NL80211_TXRATE_FORCE_LGI) | |
9f81f725 | 6723 | return -EINVAL; |
51ab1a0a | 6724 | |
3ae54225 MK |
6725 | if (ath10k_mac_bitrate_mask_has_single_rate(ar, band, mask)) { |
6726 | ret = ath10k_mac_bitrate_mask_get_single_rate(ar, band, mask, | |
6727 | &rate, &nss); | |
6728 | if (ret) { | |
6729 | ath10k_warn(ar, "failed to get single rate for vdev %i: %d\n", | |
6730 | arvif->vdev_id, ret); | |
6731 | return ret; | |
6732 | } | |
6733 | } else if (ath10k_mac_bitrate_mask_get_single_nss(ar, band, mask, | |
6734 | &single_nss)) { | |
6735 | rate = WMI_FIXED_RATE_NONE; | |
6736 | nss = single_nss; | |
6737 | } else { | |
6738 | rate = WMI_FIXED_RATE_NONE; | |
45c9abc0 MK |
6739 | nss = min(ar->num_rf_chains, |
6740 | max(ath10k_mac_max_ht_nss(ht_mcs_mask), | |
6741 | ath10k_mac_max_vht_nss(vht_mcs_mask))); | |
6742 | ||
6743 | if (!ath10k_mac_can_set_bitrate_mask(ar, band, mask)) | |
51ab1a0a | 6744 | return -EINVAL; |
45c9abc0 MK |
6745 | |
6746 | mutex_lock(&ar->conf_mutex); | |
6747 | ||
6748 | arvif->bitrate_mask = *mask; | |
6749 | ieee80211_iterate_stations_atomic(ar->hw, | |
6750 | ath10k_mac_set_bitrate_mask_iter, | |
6751 | arvif); | |
6752 | ||
6753 | mutex_unlock(&ar->conf_mutex); | |
51ab1a0a JD |
6754 | } |
6755 | ||
3ae54225 MK |
6756 | mutex_lock(&ar->conf_mutex); |
6757 | ||
bd4a41e6 | 6758 | ret = ath10k_mac_set_fixed_rate_params(arvif, rate, nss, sgi, ldpc); |
3ae54225 MK |
6759 | if (ret) { |
6760 | ath10k_warn(ar, "failed to set fixed rate params on vdev %i: %d\n", | |
6761 | arvif->vdev_id, ret); | |
6762 | goto exit; | |
9f81f725 JD |
6763 | } |
6764 | ||
3ae54225 MK |
6765 | exit: |
6766 | mutex_unlock(&ar->conf_mutex); | |
6767 | ||
6768 | return ret; | |
51ab1a0a JD |
6769 | } |
6770 | ||
9797febc MK |
6771 | static void ath10k_sta_rc_update(struct ieee80211_hw *hw, |
6772 | struct ieee80211_vif *vif, | |
6773 | struct ieee80211_sta *sta, | |
6774 | u32 changed) | |
6775 | { | |
6776 | struct ath10k *ar = hw->priv; | |
6777 | struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; | |
6778 | u32 bw, smps; | |
6779 | ||
6780 | spin_lock_bh(&ar->data_lock); | |
6781 | ||
7aa7a72a | 6782 | ath10k_dbg(ar, ATH10K_DBG_MAC, |
9797febc MK |
6783 | "mac sta rc update for %pM changed %08x bw %d nss %d smps %d\n", |
6784 | sta->addr, changed, sta->bandwidth, sta->rx_nss, | |
6785 | sta->smps_mode); | |
6786 | ||
6787 | if (changed & IEEE80211_RC_BW_CHANGED) { | |
6788 | bw = WMI_PEER_CHWIDTH_20MHZ; | |
6789 | ||
6790 | switch (sta->bandwidth) { | |
6791 | case IEEE80211_STA_RX_BW_20: | |
6792 | bw = WMI_PEER_CHWIDTH_20MHZ; | |
6793 | break; | |
6794 | case IEEE80211_STA_RX_BW_40: | |
6795 | bw = WMI_PEER_CHWIDTH_40MHZ; | |
6796 | break; | |
6797 | case IEEE80211_STA_RX_BW_80: | |
6798 | bw = WMI_PEER_CHWIDTH_80MHZ; | |
6799 | break; | |
6800 | case IEEE80211_STA_RX_BW_160: | |
d939be3a | 6801 | ath10k_warn(ar, "Invalid bandwidth %d in rc update for %pM\n", |
be6546fc | 6802 | sta->bandwidth, sta->addr); |
9797febc MK |
6803 | bw = WMI_PEER_CHWIDTH_20MHZ; |
6804 | break; | |
6805 | } | |
6806 | ||
6807 | arsta->bw = bw; | |
6808 | } | |
6809 | ||
6810 | if (changed & IEEE80211_RC_NSS_CHANGED) | |
6811 | arsta->nss = sta->rx_nss; | |
6812 | ||
6813 | if (changed & IEEE80211_RC_SMPS_CHANGED) { | |
6814 | smps = WMI_PEER_SMPS_PS_NONE; | |
6815 | ||
6816 | switch (sta->smps_mode) { | |
6817 | case IEEE80211_SMPS_AUTOMATIC: | |
6818 | case IEEE80211_SMPS_OFF: | |
6819 | smps = WMI_PEER_SMPS_PS_NONE; | |
6820 | break; | |
6821 | case IEEE80211_SMPS_STATIC: | |
6822 | smps = WMI_PEER_SMPS_STATIC; | |
6823 | break; | |
6824 | case IEEE80211_SMPS_DYNAMIC: | |
6825 | smps = WMI_PEER_SMPS_DYNAMIC; | |
6826 | break; | |
6827 | case IEEE80211_SMPS_NUM_MODES: | |
7aa7a72a | 6828 | ath10k_warn(ar, "Invalid smps %d in sta rc update for %pM\n", |
be6546fc | 6829 | sta->smps_mode, sta->addr); |
9797febc MK |
6830 | smps = WMI_PEER_SMPS_PS_NONE; |
6831 | break; | |
6832 | } | |
6833 | ||
6834 | arsta->smps = smps; | |
6835 | } | |
6836 | ||
9797febc MK |
6837 | arsta->changed |= changed; |
6838 | ||
6839 | spin_unlock_bh(&ar->data_lock); | |
6840 | ||
6841 | ieee80211_queue_work(hw, &arsta->update_wk); | |
6842 | } | |
6843 | ||
26ebbccf CYY |
6844 | static u64 ath10k_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) |
6845 | { | |
6846 | /* | |
6847 | * FIXME: Return 0 for time being. Need to figure out whether FW | |
6848 | * has the API to fetch 64-bit local TSF | |
6849 | */ | |
6850 | ||
6851 | return 0; | |
6852 | } | |
6853 | ||
9f0b7e7d | 6854 | static void ath10k_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
4d16544d | 6855 | u64 tsf) |
9f0b7e7d PO |
6856 | { |
6857 | struct ath10k *ar = hw->priv; | |
6858 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
6859 | u32 tsf_offset, vdev_param = ar->wmi.vdev_param->set_tsf; | |
6860 | int ret; | |
6861 | ||
6862 | /* Workaround: | |
6863 | * | |
6864 | * Given tsf argument is entire TSF value, but firmware accepts | |
6865 | * only TSF offset to current TSF. | |
6866 | * | |
6867 | * get_tsf function is used to get offset value, however since | |
6868 | * ath10k_get_tsf is not implemented properly, it will return 0 always. | |
6869 | * Luckily all the caller functions to set_tsf, as of now, also rely on | |
6870 | * get_tsf function to get entire tsf value such get_tsf() + tsf_delta, | |
6871 | * final tsf offset value to firmware will be arithmetically correct. | |
6872 | */ | |
6873 | tsf_offset = tsf - ath10k_get_tsf(hw, vif); | |
6874 | ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, | |
6875 | vdev_param, tsf_offset); | |
6876 | if (ret && ret != -EOPNOTSUPP) | |
6877 | ath10k_warn(ar, "failed to set tsf offset: %d\n", ret); | |
6878 | } | |
6879 | ||
aa5b4fbc MK |
6880 | static int ath10k_ampdu_action(struct ieee80211_hw *hw, |
6881 | struct ieee80211_vif *vif, | |
50ea05ef | 6882 | struct ieee80211_ampdu_params *params) |
aa5b4fbc | 6883 | { |
7aa7a72a | 6884 | struct ath10k *ar = hw->priv; |
aa5b4fbc | 6885 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); |
50ea05ef SS |
6886 | struct ieee80211_sta *sta = params->sta; |
6887 | enum ieee80211_ampdu_mlme_action action = params->action; | |
6888 | u16 tid = params->tid; | |
aa5b4fbc | 6889 | |
7aa7a72a | 6890 | ath10k_dbg(ar, ATH10K_DBG_MAC, "mac ampdu vdev_id %i sta %pM tid %hu action %d\n", |
aa5b4fbc MK |
6891 | arvif->vdev_id, sta->addr, tid, action); |
6892 | ||
6893 | switch (action) { | |
6894 | case IEEE80211_AMPDU_RX_START: | |
6895 | case IEEE80211_AMPDU_RX_STOP: | |
6896 | /* HTT AddBa/DelBa events trigger mac80211 Rx BA session | |
6897 | * creation/removal. Do we need to verify this? | |
6898 | */ | |
6899 | return 0; | |
6900 | case IEEE80211_AMPDU_TX_START: | |
6901 | case IEEE80211_AMPDU_TX_STOP_CONT: | |
6902 | case IEEE80211_AMPDU_TX_STOP_FLUSH: | |
6903 | case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: | |
6904 | case IEEE80211_AMPDU_TX_OPERATIONAL: | |
6905 | /* Firmware offloads Tx aggregation entirely so deny mac80211 | |
6906 | * Tx aggregation requests. | |
6907 | */ | |
6908 | return -EOPNOTSUPP; | |
6909 | } | |
6910 | ||
6911 | return -EINVAL; | |
6912 | } | |
6913 | ||
500ff9f9 | 6914 | static void |
d7bf4b4a MK |
6915 | ath10k_mac_update_rx_channel(struct ath10k *ar, |
6916 | struct ieee80211_chanctx_conf *ctx, | |
6917 | struct ieee80211_vif_chanctx_switch *vifs, | |
6918 | int n_vifs) | |
500ff9f9 MK |
6919 | { |
6920 | struct cfg80211_chan_def *def = NULL; | |
6921 | ||
6922 | /* Both locks are required because ar->rx_channel is modified. This | |
6923 | * allows readers to hold either lock. | |
6924 | */ | |
6925 | lockdep_assert_held(&ar->conf_mutex); | |
6926 | lockdep_assert_held(&ar->data_lock); | |
6927 | ||
d7bf4b4a MK |
6928 | WARN_ON(ctx && vifs); |
6929 | WARN_ON(vifs && n_vifs != 1); | |
6930 | ||
500ff9f9 MK |
6931 | /* FIXME: Sort of an optimization and a workaround. Peers and vifs are |
6932 | * on a linked list now. Doing a lookup peer -> vif -> chanctx for each | |
6933 | * ppdu on Rx may reduce performance on low-end systems. It should be | |
6934 | * possible to make tables/hashmaps to speed the lookup up (be vary of | |
6935 | * cpu data cache lines though regarding sizes) but to keep the initial | |
6936 | * implementation simple and less intrusive fallback to the slow lookup | |
6937 | * only for multi-channel cases. Single-channel cases will remain to | |
6938 | * use the old channel derival and thus performance should not be | |
6939 | * affected much. | |
6940 | */ | |
6941 | rcu_read_lock(); | |
d7bf4b4a | 6942 | if (!ctx && ath10k_mac_num_chanctxs(ar) == 1) { |
500ff9f9 | 6943 | ieee80211_iter_chan_contexts_atomic(ar->hw, |
617b0f4d KV |
6944 | ath10k_mac_get_any_chandef_iter, |
6945 | &def); | |
d7bf4b4a MK |
6946 | |
6947 | if (vifs) | |
6948 | def = &vifs[0].new_ctx->def; | |
6949 | ||
500ff9f9 | 6950 | ar->rx_channel = def->chan; |
1ce8c148 RM |
6951 | } else if ((ctx && ath10k_mac_num_chanctxs(ar) == 0) || |
6952 | (ctx && (ar->state == ATH10K_STATE_RESTARTED))) { | |
6953 | /* During driver restart due to firmware assert, since mac80211 | |
6954 | * already has valid channel context for given radio, channel | |
6955 | * context iteration return num_chanctx > 0. So fix rx_channel | |
6956 | * when restart is in progress. | |
6957 | */ | |
d7bf4b4a | 6958 | ar->rx_channel = ctx->def.chan; |
500ff9f9 MK |
6959 | } else { |
6960 | ar->rx_channel = NULL; | |
6961 | } | |
6962 | rcu_read_unlock(); | |
6963 | } | |
6964 | ||
7be6d1b7 MK |
6965 | static void |
6966 | ath10k_mac_update_vif_chan(struct ath10k *ar, | |
6967 | struct ieee80211_vif_chanctx_switch *vifs, | |
6968 | int n_vifs) | |
6969 | { | |
6970 | struct ath10k_vif *arvif; | |
6971 | int ret; | |
6972 | int i; | |
6973 | ||
6974 | lockdep_assert_held(&ar->conf_mutex); | |
6975 | ||
6976 | /* First stop monitor interface. Some FW versions crash if there's a | |
6977 | * lone monitor interface. | |
6978 | */ | |
6979 | if (ar->monitor_started) | |
6980 | ath10k_monitor_stop(ar); | |
6981 | ||
6982 | for (i = 0; i < n_vifs; i++) { | |
6983 | arvif = ath10k_vif_to_arvif(vifs[i].vif); | |
6984 | ||
6985 | ath10k_dbg(ar, ATH10K_DBG_MAC, | |
6986 | "mac chanctx switch vdev_id %i freq %hu->%hu width %d->%d\n", | |
6987 | arvif->vdev_id, | |
6988 | vifs[i].old_ctx->def.chan->center_freq, | |
6989 | vifs[i].new_ctx->def.chan->center_freq, | |
6990 | vifs[i].old_ctx->def.width, | |
6991 | vifs[i].new_ctx->def.width); | |
6992 | ||
6993 | if (WARN_ON(!arvif->is_started)) | |
6994 | continue; | |
6995 | ||
6996 | if (WARN_ON(!arvif->is_up)) | |
6997 | continue; | |
6998 | ||
6999 | ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id); | |
7000 | if (ret) { | |
7001 | ath10k_warn(ar, "failed to down vdev %d: %d\n", | |
7002 | arvif->vdev_id, ret); | |
7003 | continue; | |
7004 | } | |
7005 | } | |
7006 | ||
7007 | /* All relevant vdevs are downed and associated channel resources | |
7008 | * should be available for the channel switch now. | |
7009 | */ | |
7010 | ||
7011 | spin_lock_bh(&ar->data_lock); | |
7012 | ath10k_mac_update_rx_channel(ar, NULL, vifs, n_vifs); | |
7013 | spin_unlock_bh(&ar->data_lock); | |
7014 | ||
7015 | for (i = 0; i < n_vifs; i++) { | |
7016 | arvif = ath10k_vif_to_arvif(vifs[i].vif); | |
7017 | ||
7018 | if (WARN_ON(!arvif->is_started)) | |
7019 | continue; | |
7020 | ||
7021 | if (WARN_ON(!arvif->is_up)) | |
7022 | continue; | |
7023 | ||
7024 | ret = ath10k_mac_setup_bcn_tmpl(arvif); | |
7025 | if (ret) | |
7026 | ath10k_warn(ar, "failed to update bcn tmpl during csa: %d\n", | |
7027 | ret); | |
7028 | ||
7029 | ret = ath10k_mac_setup_prb_tmpl(arvif); | |
7030 | if (ret) | |
7031 | ath10k_warn(ar, "failed to update prb tmpl during csa: %d\n", | |
7032 | ret); | |
7033 | ||
7034 | ret = ath10k_vdev_restart(arvif, &vifs[i].new_ctx->def); | |
7035 | if (ret) { | |
7036 | ath10k_warn(ar, "failed to restart vdev %d: %d\n", | |
7037 | arvif->vdev_id, ret); | |
7038 | continue; | |
7039 | } | |
7040 | ||
7041 | ret = ath10k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid, | |
7042 | arvif->bssid); | |
7043 | if (ret) { | |
7044 | ath10k_warn(ar, "failed to bring vdev up %d: %d\n", | |
7045 | arvif->vdev_id, ret); | |
7046 | continue; | |
7047 | } | |
7048 | } | |
7049 | ||
7050 | ath10k_monitor_recalc(ar); | |
7051 | } | |
7052 | ||
500ff9f9 MK |
7053 | static int |
7054 | ath10k_mac_op_add_chanctx(struct ieee80211_hw *hw, | |
7055 | struct ieee80211_chanctx_conf *ctx) | |
7056 | { | |
7057 | struct ath10k *ar = hw->priv; | |
500ff9f9 MK |
7058 | |
7059 | ath10k_dbg(ar, ATH10K_DBG_MAC, | |
7060 | "mac chanctx add freq %hu width %d ptr %p\n", | |
7061 | ctx->def.chan->center_freq, ctx->def.width, ctx); | |
7062 | ||
7063 | mutex_lock(&ar->conf_mutex); | |
7064 | ||
7065 | spin_lock_bh(&ar->data_lock); | |
d7bf4b4a | 7066 | ath10k_mac_update_rx_channel(ar, ctx, NULL, 0); |
500ff9f9 MK |
7067 | spin_unlock_bh(&ar->data_lock); |
7068 | ||
7069 | ath10k_recalc_radar_detection(ar); | |
7070 | ath10k_monitor_recalc(ar); | |
7071 | ||
7072 | mutex_unlock(&ar->conf_mutex); | |
7073 | ||
7074 | return 0; | |
7075 | } | |
7076 | ||
7077 | static void | |
7078 | ath10k_mac_op_remove_chanctx(struct ieee80211_hw *hw, | |
7079 | struct ieee80211_chanctx_conf *ctx) | |
7080 | { | |
7081 | struct ath10k *ar = hw->priv; | |
7082 | ||
7083 | ath10k_dbg(ar, ATH10K_DBG_MAC, | |
7084 | "mac chanctx remove freq %hu width %d ptr %p\n", | |
7085 | ctx->def.chan->center_freq, ctx->def.width, ctx); | |
7086 | ||
7087 | mutex_lock(&ar->conf_mutex); | |
7088 | ||
7089 | spin_lock_bh(&ar->data_lock); | |
d7bf4b4a | 7090 | ath10k_mac_update_rx_channel(ar, NULL, NULL, 0); |
500ff9f9 MK |
7091 | spin_unlock_bh(&ar->data_lock); |
7092 | ||
7093 | ath10k_recalc_radar_detection(ar); | |
7094 | ath10k_monitor_recalc(ar); | |
7095 | ||
7096 | mutex_unlock(&ar->conf_mutex); | |
7097 | } | |
7098 | ||
9713e3de MK |
7099 | struct ath10k_mac_change_chanctx_arg { |
7100 | struct ieee80211_chanctx_conf *ctx; | |
7101 | struct ieee80211_vif_chanctx_switch *vifs; | |
7102 | int n_vifs; | |
7103 | int next_vif; | |
7104 | }; | |
7105 | ||
7106 | static void | |
7107 | ath10k_mac_change_chanctx_cnt_iter(void *data, u8 *mac, | |
7108 | struct ieee80211_vif *vif) | |
7109 | { | |
7110 | struct ath10k_mac_change_chanctx_arg *arg = data; | |
7111 | ||
7112 | if (rcu_access_pointer(vif->chanctx_conf) != arg->ctx) | |
7113 | return; | |
7114 | ||
7115 | arg->n_vifs++; | |
7116 | } | |
7117 | ||
7118 | static void | |
7119 | ath10k_mac_change_chanctx_fill_iter(void *data, u8 *mac, | |
7120 | struct ieee80211_vif *vif) | |
7121 | { | |
7122 | struct ath10k_mac_change_chanctx_arg *arg = data; | |
7123 | struct ieee80211_chanctx_conf *ctx; | |
7124 | ||
7125 | ctx = rcu_access_pointer(vif->chanctx_conf); | |
7126 | if (ctx != arg->ctx) | |
7127 | return; | |
7128 | ||
7129 | if (WARN_ON(arg->next_vif == arg->n_vifs)) | |
7130 | return; | |
7131 | ||
7132 | arg->vifs[arg->next_vif].vif = vif; | |
7133 | arg->vifs[arg->next_vif].old_ctx = ctx; | |
7134 | arg->vifs[arg->next_vif].new_ctx = ctx; | |
7135 | arg->next_vif++; | |
7136 | } | |
7137 | ||
500ff9f9 MK |
7138 | static void |
7139 | ath10k_mac_op_change_chanctx(struct ieee80211_hw *hw, | |
7140 | struct ieee80211_chanctx_conf *ctx, | |
7141 | u32 changed) | |
7142 | { | |
7143 | struct ath10k *ar = hw->priv; | |
9713e3de | 7144 | struct ath10k_mac_change_chanctx_arg arg = { .ctx = ctx }; |
500ff9f9 MK |
7145 | |
7146 | mutex_lock(&ar->conf_mutex); | |
7147 | ||
7148 | ath10k_dbg(ar, ATH10K_DBG_MAC, | |
089ab7a5 MK |
7149 | "mac chanctx change freq %hu width %d ptr %p changed %x\n", |
7150 | ctx->def.chan->center_freq, ctx->def.width, ctx, changed); | |
500ff9f9 MK |
7151 | |
7152 | /* This shouldn't really happen because channel switching should use | |
7153 | * switch_vif_chanctx(). | |
7154 | */ | |
7155 | if (WARN_ON(changed & IEEE80211_CHANCTX_CHANGE_CHANNEL)) | |
7156 | goto unlock; | |
7157 | ||
9713e3de MK |
7158 | if (changed & IEEE80211_CHANCTX_CHANGE_WIDTH) { |
7159 | ieee80211_iterate_active_interfaces_atomic( | |
7160 | hw, | |
7161 | IEEE80211_IFACE_ITER_NORMAL, | |
7162 | ath10k_mac_change_chanctx_cnt_iter, | |
7163 | &arg); | |
7164 | if (arg.n_vifs == 0) | |
7165 | goto radar; | |
7166 | ||
7167 | arg.vifs = kcalloc(arg.n_vifs, sizeof(arg.vifs[0]), | |
7168 | GFP_KERNEL); | |
7169 | if (!arg.vifs) | |
7170 | goto radar; | |
7171 | ||
7172 | ieee80211_iterate_active_interfaces_atomic( | |
7173 | hw, | |
7174 | IEEE80211_IFACE_ITER_NORMAL, | |
7175 | ath10k_mac_change_chanctx_fill_iter, | |
7176 | &arg); | |
7177 | ath10k_mac_update_vif_chan(ar, arg.vifs, arg.n_vifs); | |
7178 | kfree(arg.vifs); | |
7179 | } | |
7180 | ||
7181 | radar: | |
500ff9f9 MK |
7182 | ath10k_recalc_radar_detection(ar); |
7183 | ||
7184 | /* FIXME: How to configure Rx chains properly? */ | |
7185 | ||
7186 | /* No other actions are actually necessary. Firmware maintains channel | |
7187 | * definitions per vdev internally and there's no host-side channel | |
7188 | * context abstraction to configure, e.g. channel width. | |
7189 | */ | |
7190 | ||
7191 | unlock: | |
7192 | mutex_unlock(&ar->conf_mutex); | |
7193 | } | |
7194 | ||
7195 | static int | |
7196 | ath10k_mac_op_assign_vif_chanctx(struct ieee80211_hw *hw, | |
7197 | struct ieee80211_vif *vif, | |
7198 | struct ieee80211_chanctx_conf *ctx) | |
7199 | { | |
7200 | struct ath10k *ar = hw->priv; | |
500ff9f9 MK |
7201 | struct ath10k_vif *arvif = (void *)vif->drv_priv; |
7202 | int ret; | |
7203 | ||
7204 | mutex_lock(&ar->conf_mutex); | |
7205 | ||
7206 | ath10k_dbg(ar, ATH10K_DBG_MAC, | |
7207 | "mac chanctx assign ptr %p vdev_id %i\n", | |
7208 | ctx, arvif->vdev_id); | |
7209 | ||
7210 | if (WARN_ON(arvif->is_started)) { | |
7211 | mutex_unlock(&ar->conf_mutex); | |
7212 | return -EBUSY; | |
7213 | } | |
7214 | ||
089ab7a5 | 7215 | ret = ath10k_vdev_start(arvif, &ctx->def); |
500ff9f9 MK |
7216 | if (ret) { |
7217 | ath10k_warn(ar, "failed to start vdev %i addr %pM on freq %d: %d\n", | |
7218 | arvif->vdev_id, vif->addr, | |
089ab7a5 | 7219 | ctx->def.chan->center_freq, ret); |
500ff9f9 MK |
7220 | goto err; |
7221 | } | |
7222 | ||
7223 | arvif->is_started = true; | |
7224 | ||
f23e587e MK |
7225 | ret = ath10k_mac_vif_setup_ps(arvif); |
7226 | if (ret) { | |
7227 | ath10k_warn(ar, "failed to update vdev %i ps: %d\n", | |
7228 | arvif->vdev_id, ret); | |
7229 | goto err_stop; | |
7230 | } | |
7231 | ||
500ff9f9 MK |
7232 | if (vif->type == NL80211_IFTYPE_MONITOR) { |
7233 | ret = ath10k_wmi_vdev_up(ar, arvif->vdev_id, 0, vif->addr); | |
7234 | if (ret) { | |
7235 | ath10k_warn(ar, "failed to up monitor vdev %i: %d\n", | |
7236 | arvif->vdev_id, ret); | |
7237 | goto err_stop; | |
7238 | } | |
7239 | ||
7240 | arvif->is_up = true; | |
7241 | } | |
7242 | ||
7243 | mutex_unlock(&ar->conf_mutex); | |
7244 | return 0; | |
7245 | ||
7246 | err_stop: | |
7247 | ath10k_vdev_stop(arvif); | |
7248 | arvif->is_started = false; | |
f23e587e | 7249 | ath10k_mac_vif_setup_ps(arvif); |
500ff9f9 MK |
7250 | |
7251 | err: | |
7252 | mutex_unlock(&ar->conf_mutex); | |
7253 | return ret; | |
7254 | } | |
7255 | ||
7256 | static void | |
7257 | ath10k_mac_op_unassign_vif_chanctx(struct ieee80211_hw *hw, | |
7258 | struct ieee80211_vif *vif, | |
7259 | struct ieee80211_chanctx_conf *ctx) | |
7260 | { | |
7261 | struct ath10k *ar = hw->priv; | |
7262 | struct ath10k_vif *arvif = (void *)vif->drv_priv; | |
7263 | int ret; | |
7264 | ||
7265 | mutex_lock(&ar->conf_mutex); | |
7266 | ||
7267 | ath10k_dbg(ar, ATH10K_DBG_MAC, | |
7268 | "mac chanctx unassign ptr %p vdev_id %i\n", | |
7269 | ctx, arvif->vdev_id); | |
7270 | ||
7271 | WARN_ON(!arvif->is_started); | |
7272 | ||
7273 | if (vif->type == NL80211_IFTYPE_MONITOR) { | |
7274 | WARN_ON(!arvif->is_up); | |
7275 | ||
7276 | ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id); | |
7277 | if (ret) | |
7278 | ath10k_warn(ar, "failed to down monitor vdev %i: %d\n", | |
7279 | arvif->vdev_id, ret); | |
7280 | ||
7281 | arvif->is_up = false; | |
7282 | } | |
7283 | ||
7284 | ret = ath10k_vdev_stop(arvif); | |
7285 | if (ret) | |
7286 | ath10k_warn(ar, "failed to stop vdev %i: %d\n", | |
7287 | arvif->vdev_id, ret); | |
7288 | ||
7289 | arvif->is_started = false; | |
7290 | ||
7291 | mutex_unlock(&ar->conf_mutex); | |
7292 | } | |
7293 | ||
7294 | static int | |
7295 | ath10k_mac_op_switch_vif_chanctx(struct ieee80211_hw *hw, | |
7296 | struct ieee80211_vif_chanctx_switch *vifs, | |
7297 | int n_vifs, | |
7298 | enum ieee80211_chanctx_switch_mode mode) | |
7299 | { | |
7300 | struct ath10k *ar = hw->priv; | |
500ff9f9 MK |
7301 | |
7302 | mutex_lock(&ar->conf_mutex); | |
7303 | ||
7304 | ath10k_dbg(ar, ATH10K_DBG_MAC, | |
7305 | "mac chanctx switch n_vifs %d mode %d\n", | |
7306 | n_vifs, mode); | |
7be6d1b7 | 7307 | ath10k_mac_update_vif_chan(ar, vifs, n_vifs); |
500ff9f9 MK |
7308 | |
7309 | mutex_unlock(&ar->conf_mutex); | |
7310 | return 0; | |
7311 | } | |
7312 | ||
5e3dd157 | 7313 | static const struct ieee80211_ops ath10k_ops = { |
f2f6ecab | 7314 | .tx = ath10k_mac_op_tx, |
29946878 | 7315 | .wake_tx_queue = ath10k_mac_op_wake_tx_queue, |
5e3dd157 KV |
7316 | .start = ath10k_start, |
7317 | .stop = ath10k_stop, | |
7318 | .config = ath10k_config, | |
7319 | .add_interface = ath10k_add_interface, | |
7320 | .remove_interface = ath10k_remove_interface, | |
7321 | .configure_filter = ath10k_configure_filter, | |
7322 | .bss_info_changed = ath10k_bss_info_changed, | |
7323 | .hw_scan = ath10k_hw_scan, | |
7324 | .cancel_hw_scan = ath10k_cancel_hw_scan, | |
7325 | .set_key = ath10k_set_key, | |
627613f8 | 7326 | .set_default_unicast_key = ath10k_set_default_unicast_key, |
5e3dd157 KV |
7327 | .sta_state = ath10k_sta_state, |
7328 | .conf_tx = ath10k_conf_tx, | |
7329 | .remain_on_channel = ath10k_remain_on_channel, | |
7330 | .cancel_remain_on_channel = ath10k_cancel_remain_on_channel, | |
7331 | .set_rts_threshold = ath10k_set_rts_threshold, | |
92092fe5 | 7332 | .set_frag_threshold = ath10k_mac_op_set_frag_threshold, |
5e3dd157 KV |
7333 | .flush = ath10k_flush, |
7334 | .tx_last_beacon = ath10k_tx_last_beacon, | |
46acf7bb BG |
7335 | .set_antenna = ath10k_set_antenna, |
7336 | .get_antenna = ath10k_get_antenna, | |
cf2c92d8 | 7337 | .reconfig_complete = ath10k_reconfig_complete, |
2e1dea40 | 7338 | .get_survey = ath10k_get_survey, |
3ae54225 | 7339 | .set_bitrate_mask = ath10k_mac_op_set_bitrate_mask, |
9797febc | 7340 | .sta_rc_update = ath10k_sta_rc_update, |
26ebbccf | 7341 | .get_tsf = ath10k_get_tsf, |
9f0b7e7d | 7342 | .set_tsf = ath10k_set_tsf, |
aa5b4fbc | 7343 | .ampdu_action = ath10k_ampdu_action, |
6cddcc7a BG |
7344 | .get_et_sset_count = ath10k_debug_get_et_sset_count, |
7345 | .get_et_stats = ath10k_debug_get_et_stats, | |
7346 | .get_et_strings = ath10k_debug_get_et_strings, | |
500ff9f9 MK |
7347 | .add_chanctx = ath10k_mac_op_add_chanctx, |
7348 | .remove_chanctx = ath10k_mac_op_remove_chanctx, | |
7349 | .change_chanctx = ath10k_mac_op_change_chanctx, | |
7350 | .assign_vif_chanctx = ath10k_mac_op_assign_vif_chanctx, | |
7351 | .unassign_vif_chanctx = ath10k_mac_op_unassign_vif_chanctx, | |
7352 | .switch_vif_chanctx = ath10k_mac_op_switch_vif_chanctx, | |
43d2a30f KV |
7353 | |
7354 | CFG80211_TESTMODE_CMD(ath10k_tm_cmd) | |
7355 | ||
8cd13cad | 7356 | #ifdef CONFIG_PM |
5fd3ac3c JD |
7357 | .suspend = ath10k_wow_op_suspend, |
7358 | .resume = ath10k_wow_op_resume, | |
8cd13cad | 7359 | #endif |
f5045988 RM |
7360 | #ifdef CONFIG_MAC80211_DEBUGFS |
7361 | .sta_add_debugfs = ath10k_sta_add_debugfs, | |
7362 | #endif | |
5e3dd157 KV |
7363 | }; |
7364 | ||
5e3dd157 | 7365 | #define CHAN2G(_channel, _freq, _flags) { \ |
57fbcce3 | 7366 | .band = NL80211_BAND_2GHZ, \ |
5e3dd157 KV |
7367 | .hw_value = (_channel), \ |
7368 | .center_freq = (_freq), \ | |
7369 | .flags = (_flags), \ | |
7370 | .max_antenna_gain = 0, \ | |
7371 | .max_power = 30, \ | |
7372 | } | |
7373 | ||
7374 | #define CHAN5G(_channel, _freq, _flags) { \ | |
57fbcce3 | 7375 | .band = NL80211_BAND_5GHZ, \ |
5e3dd157 KV |
7376 | .hw_value = (_channel), \ |
7377 | .center_freq = (_freq), \ | |
7378 | .flags = (_flags), \ | |
7379 | .max_antenna_gain = 0, \ | |
7380 | .max_power = 30, \ | |
7381 | } | |
7382 | ||
7383 | static const struct ieee80211_channel ath10k_2ghz_channels[] = { | |
7384 | CHAN2G(1, 2412, 0), | |
7385 | CHAN2G(2, 2417, 0), | |
7386 | CHAN2G(3, 2422, 0), | |
7387 | CHAN2G(4, 2427, 0), | |
7388 | CHAN2G(5, 2432, 0), | |
7389 | CHAN2G(6, 2437, 0), | |
7390 | CHAN2G(7, 2442, 0), | |
7391 | CHAN2G(8, 2447, 0), | |
7392 | CHAN2G(9, 2452, 0), | |
7393 | CHAN2G(10, 2457, 0), | |
7394 | CHAN2G(11, 2462, 0), | |
7395 | CHAN2G(12, 2467, 0), | |
7396 | CHAN2G(13, 2472, 0), | |
7397 | CHAN2G(14, 2484, 0), | |
7398 | }; | |
7399 | ||
7400 | static const struct ieee80211_channel ath10k_5ghz_channels[] = { | |
429ff56a MK |
7401 | CHAN5G(36, 5180, 0), |
7402 | CHAN5G(40, 5200, 0), | |
7403 | CHAN5G(44, 5220, 0), | |
7404 | CHAN5G(48, 5240, 0), | |
7405 | CHAN5G(52, 5260, 0), | |
7406 | CHAN5G(56, 5280, 0), | |
7407 | CHAN5G(60, 5300, 0), | |
7408 | CHAN5G(64, 5320, 0), | |
7409 | CHAN5G(100, 5500, 0), | |
7410 | CHAN5G(104, 5520, 0), | |
7411 | CHAN5G(108, 5540, 0), | |
7412 | CHAN5G(112, 5560, 0), | |
7413 | CHAN5G(116, 5580, 0), | |
7414 | CHAN5G(120, 5600, 0), | |
7415 | CHAN5G(124, 5620, 0), | |
7416 | CHAN5G(128, 5640, 0), | |
7417 | CHAN5G(132, 5660, 0), | |
7418 | CHAN5G(136, 5680, 0), | |
7419 | CHAN5G(140, 5700, 0), | |
4a7898fe | 7420 | CHAN5G(144, 5720, 0), |
429ff56a MK |
7421 | CHAN5G(149, 5745, 0), |
7422 | CHAN5G(153, 5765, 0), | |
7423 | CHAN5G(157, 5785, 0), | |
7424 | CHAN5G(161, 5805, 0), | |
7425 | CHAN5G(165, 5825, 0), | |
5e3dd157 KV |
7426 | }; |
7427 | ||
e7b54194 | 7428 | struct ath10k *ath10k_mac_create(size_t priv_size) |
5e3dd157 KV |
7429 | { |
7430 | struct ieee80211_hw *hw; | |
7431 | struct ath10k *ar; | |
7432 | ||
e7b54194 | 7433 | hw = ieee80211_alloc_hw(sizeof(struct ath10k) + priv_size, &ath10k_ops); |
5e3dd157 KV |
7434 | if (!hw) |
7435 | return NULL; | |
7436 | ||
7437 | ar = hw->priv; | |
7438 | ar->hw = hw; | |
7439 | ||
7440 | return ar; | |
7441 | } | |
7442 | ||
7443 | void ath10k_mac_destroy(struct ath10k *ar) | |
7444 | { | |
7445 | ieee80211_free_hw(ar->hw); | |
7446 | } | |
7447 | ||
7448 | static const struct ieee80211_iface_limit ath10k_if_limits[] = { | |
7449 | { | |
78f7aeb0 MSS |
7450 | .max = 8, |
7451 | .types = BIT(NL80211_IFTYPE_STATION) | |
7452 | | BIT(NL80211_IFTYPE_P2P_CLIENT) | |
d531cb85 MK |
7453 | }, |
7454 | { | |
78f7aeb0 MSS |
7455 | .max = 3, |
7456 | .types = BIT(NL80211_IFTYPE_P2P_GO) | |
d531cb85 MK |
7457 | }, |
7458 | { | |
78f7aeb0 MSS |
7459 | .max = 1, |
7460 | .types = BIT(NL80211_IFTYPE_P2P_DEVICE) | |
75d2bd48 MK |
7461 | }, |
7462 | { | |
78f7aeb0 MSS |
7463 | .max = 7, |
7464 | .types = BIT(NL80211_IFTYPE_AP) | |
b6c7bafa | 7465 | #ifdef CONFIG_MAC80211_MESH |
78f7aeb0 | 7466 | | BIT(NL80211_IFTYPE_MESH_POINT) |
b6c7bafa | 7467 | #endif |
d531cb85 | 7468 | }, |
5e3dd157 KV |
7469 | }; |
7470 | ||
f259509b | 7471 | static const struct ieee80211_iface_limit ath10k_10x_if_limits[] = { |
e8a50f8b | 7472 | { |
78f7aeb0 MSS |
7473 | .max = 8, |
7474 | .types = BIT(NL80211_IFTYPE_AP) | |
b6c7bafa | 7475 | #ifdef CONFIG_MAC80211_MESH |
78f7aeb0 | 7476 | | BIT(NL80211_IFTYPE_MESH_POINT) |
b6c7bafa | 7477 | #endif |
e8a50f8b | 7478 | }, |
78f7aeb0 MSS |
7479 | { |
7480 | .max = 1, | |
7481 | .types = BIT(NL80211_IFTYPE_STATION) | |
7482 | }, | |
e8a50f8b | 7483 | }; |
e8a50f8b MP |
7484 | |
7485 | static const struct ieee80211_iface_combination ath10k_if_comb[] = { | |
7486 | { | |
7487 | .limits = ath10k_if_limits, | |
7488 | .n_limits = ARRAY_SIZE(ath10k_if_limits), | |
7489 | .max_interfaces = 8, | |
7490 | .num_different_channels = 1, | |
7491 | .beacon_int_infra_match = true, | |
7492 | }, | |
f259509b BM |
7493 | }; |
7494 | ||
7495 | static const struct ieee80211_iface_combination ath10k_10x_if_comb[] = { | |
e8a50f8b | 7496 | { |
f259509b BM |
7497 | .limits = ath10k_10x_if_limits, |
7498 | .n_limits = ARRAY_SIZE(ath10k_10x_if_limits), | |
e8a50f8b MP |
7499 | .max_interfaces = 8, |
7500 | .num_different_channels = 1, | |
7501 | .beacon_int_infra_match = true, | |
f259509b | 7502 | #ifdef CONFIG_ATH10K_DFS_CERTIFIED |
e8a50f8b MP |
7503 | .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | |
7504 | BIT(NL80211_CHAN_WIDTH_20) | | |
7505 | BIT(NL80211_CHAN_WIDTH_40) | | |
7506 | BIT(NL80211_CHAN_WIDTH_80), | |
e8a50f8b | 7507 | #endif |
f259509b | 7508 | }, |
5e3dd157 KV |
7509 | }; |
7510 | ||
cf32784c MK |
7511 | static const struct ieee80211_iface_limit ath10k_tlv_if_limit[] = { |
7512 | { | |
7513 | .max = 2, | |
ed25b113 MK |
7514 | .types = BIT(NL80211_IFTYPE_STATION), |
7515 | }, | |
7516 | { | |
7517 | .max = 2, | |
7518 | .types = BIT(NL80211_IFTYPE_AP) | | |
b6c7bafa BC |
7519 | #ifdef CONFIG_MAC80211_MESH |
7520 | BIT(NL80211_IFTYPE_MESH_POINT) | | |
7521 | #endif | |
cf32784c MK |
7522 | BIT(NL80211_IFTYPE_P2P_CLIENT) | |
7523 | BIT(NL80211_IFTYPE_P2P_GO), | |
7524 | }, | |
7525 | { | |
7526 | .max = 1, | |
7527 | .types = BIT(NL80211_IFTYPE_P2P_DEVICE), | |
7528 | }, | |
7529 | }; | |
7530 | ||
ed25b113 MK |
7531 | static const struct ieee80211_iface_limit ath10k_tlv_qcs_if_limit[] = { |
7532 | { | |
7533 | .max = 2, | |
7534 | .types = BIT(NL80211_IFTYPE_STATION), | |
7535 | }, | |
7536 | { | |
7537 | .max = 2, | |
7538 | .types = BIT(NL80211_IFTYPE_P2P_CLIENT), | |
7539 | }, | |
7540 | { | |
7541 | .max = 1, | |
7542 | .types = BIT(NL80211_IFTYPE_AP) | | |
b6c7bafa BC |
7543 | #ifdef CONFIG_MAC80211_MESH |
7544 | BIT(NL80211_IFTYPE_MESH_POINT) | | |
7545 | #endif | |
ed25b113 MK |
7546 | BIT(NL80211_IFTYPE_P2P_GO), |
7547 | }, | |
7548 | { | |
7549 | .max = 1, | |
7550 | .types = BIT(NL80211_IFTYPE_P2P_DEVICE), | |
7551 | }, | |
7552 | }; | |
7553 | ||
cf32784c MK |
7554 | static const struct ieee80211_iface_limit ath10k_tlv_if_limit_ibss[] = { |
7555 | { | |
7556 | .max = 1, | |
7557 | .types = BIT(NL80211_IFTYPE_STATION), | |
7558 | }, | |
7559 | { | |
7560 | .max = 1, | |
7561 | .types = BIT(NL80211_IFTYPE_ADHOC), | |
7562 | }, | |
7563 | }; | |
7564 | ||
7565 | /* FIXME: This is not thouroughly tested. These combinations may over- or | |
7566 | * underestimate hw/fw capabilities. | |
7567 | */ | |
7568 | static struct ieee80211_iface_combination ath10k_tlv_if_comb[] = { | |
7569 | { | |
7570 | .limits = ath10k_tlv_if_limit, | |
7571 | .num_different_channels = 1, | |
ed25b113 | 7572 | .max_interfaces = 4, |
cf32784c MK |
7573 | .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit), |
7574 | }, | |
7575 | { | |
7576 | .limits = ath10k_tlv_if_limit_ibss, | |
7577 | .num_different_channels = 1, | |
7578 | .max_interfaces = 2, | |
7579 | .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit_ibss), | |
7580 | }, | |
7581 | }; | |
7582 | ||
7583 | static struct ieee80211_iface_combination ath10k_tlv_qcs_if_comb[] = { | |
7584 | { | |
7585 | .limits = ath10k_tlv_if_limit, | |
ed25b113 MK |
7586 | .num_different_channels = 1, |
7587 | .max_interfaces = 4, | |
cf32784c MK |
7588 | .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit), |
7589 | }, | |
ed25b113 MK |
7590 | { |
7591 | .limits = ath10k_tlv_qcs_if_limit, | |
7592 | .num_different_channels = 2, | |
7593 | .max_interfaces = 4, | |
7594 | .n_limits = ARRAY_SIZE(ath10k_tlv_qcs_if_limit), | |
7595 | }, | |
cf32784c MK |
7596 | { |
7597 | .limits = ath10k_tlv_if_limit_ibss, | |
7598 | .num_different_channels = 1, | |
7599 | .max_interfaces = 2, | |
7600 | .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit_ibss), | |
7601 | }, | |
7602 | }; | |
7603 | ||
cf36fef0 RM |
7604 | static const struct ieee80211_iface_limit ath10k_10_4_if_limits[] = { |
7605 | { | |
7606 | .max = 1, | |
7607 | .types = BIT(NL80211_IFTYPE_STATION), | |
7608 | }, | |
7609 | { | |
7610 | .max = 16, | |
7611 | .types = BIT(NL80211_IFTYPE_AP) | |
b6c7bafa BC |
7612 | #ifdef CONFIG_MAC80211_MESH |
7613 | | BIT(NL80211_IFTYPE_MESH_POINT) | |
7614 | #endif | |
cf36fef0 RM |
7615 | }, |
7616 | }; | |
7617 | ||
7618 | static const struct ieee80211_iface_combination ath10k_10_4_if_comb[] = { | |
7619 | { | |
7620 | .limits = ath10k_10_4_if_limits, | |
7621 | .n_limits = ARRAY_SIZE(ath10k_10_4_if_limits), | |
7622 | .max_interfaces = 16, | |
7623 | .num_different_channels = 1, | |
7624 | .beacon_int_infra_match = true, | |
7625 | #ifdef CONFIG_ATH10K_DFS_CERTIFIED | |
7626 | .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | | |
7627 | BIT(NL80211_CHAN_WIDTH_20) | | |
7628 | BIT(NL80211_CHAN_WIDTH_40) | | |
7629 | BIT(NL80211_CHAN_WIDTH_80), | |
7630 | #endif | |
7631 | }, | |
7632 | }; | |
7633 | ||
5e3dd157 KV |
7634 | static void ath10k_get_arvif_iter(void *data, u8 *mac, |
7635 | struct ieee80211_vif *vif) | |
7636 | { | |
7637 | struct ath10k_vif_iter *arvif_iter = data; | |
7638 | struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); | |
7639 | ||
7640 | if (arvif->vdev_id == arvif_iter->vdev_id) | |
7641 | arvif_iter->arvif = arvif; | |
7642 | } | |
7643 | ||
7644 | struct ath10k_vif *ath10k_get_arvif(struct ath10k *ar, u32 vdev_id) | |
7645 | { | |
7646 | struct ath10k_vif_iter arvif_iter; | |
7647 | u32 flags; | |
7648 | ||
7649 | memset(&arvif_iter, 0, sizeof(struct ath10k_vif_iter)); | |
7650 | arvif_iter.vdev_id = vdev_id; | |
7651 | ||
7652 | flags = IEEE80211_IFACE_ITER_RESUME_ALL; | |
7653 | ieee80211_iterate_active_interfaces_atomic(ar->hw, | |
7654 | flags, | |
7655 | ath10k_get_arvif_iter, | |
7656 | &arvif_iter); | |
7657 | if (!arvif_iter.arvif) { | |
7aa7a72a | 7658 | ath10k_warn(ar, "No VIF found for vdev %d\n", vdev_id); |
5e3dd157 KV |
7659 | return NULL; |
7660 | } | |
7661 | ||
7662 | return arvif_iter.arvif; | |
7663 | } | |
7664 | ||
7665 | int ath10k_mac_register(struct ath10k *ar) | |
7666 | { | |
3cb10943 JB |
7667 | static const u32 cipher_suites[] = { |
7668 | WLAN_CIPHER_SUITE_WEP40, | |
7669 | WLAN_CIPHER_SUITE_WEP104, | |
7670 | WLAN_CIPHER_SUITE_TKIP, | |
7671 | WLAN_CIPHER_SUITE_CCMP, | |
7672 | WLAN_CIPHER_SUITE_AES_CMAC, | |
7673 | }; | |
5e3dd157 | 7674 | struct ieee80211_supported_band *band; |
5e3dd157 KV |
7675 | void *channels; |
7676 | int ret; | |
7677 | ||
7678 | SET_IEEE80211_PERM_ADDR(ar->hw, ar->mac_addr); | |
7679 | ||
7680 | SET_IEEE80211_DEV(ar->hw, ar->dev); | |
7681 | ||
c94aa7ef MK |
7682 | BUILD_BUG_ON((ARRAY_SIZE(ath10k_2ghz_channels) + |
7683 | ARRAY_SIZE(ath10k_5ghz_channels)) != | |
7684 | ATH10K_NUM_CHANS); | |
7685 | ||
5e3dd157 KV |
7686 | if (ar->phy_capability & WHAL_WLAN_11G_CAPABILITY) { |
7687 | channels = kmemdup(ath10k_2ghz_channels, | |
7688 | sizeof(ath10k_2ghz_channels), | |
7689 | GFP_KERNEL); | |
d6015b27 MK |
7690 | if (!channels) { |
7691 | ret = -ENOMEM; | |
7692 | goto err_free; | |
7693 | } | |
5e3dd157 | 7694 | |
57fbcce3 | 7695 | band = &ar->mac.sbands[NL80211_BAND_2GHZ]; |
5e3dd157 KV |
7696 | band->n_channels = ARRAY_SIZE(ath10k_2ghz_channels); |
7697 | band->channels = channels; | |
7698 | band->n_bitrates = ath10k_g_rates_size; | |
7699 | band->bitrates = ath10k_g_rates; | |
5e3dd157 | 7700 | |
57fbcce3 | 7701 | ar->hw->wiphy->bands[NL80211_BAND_2GHZ] = band; |
5e3dd157 KV |
7702 | } |
7703 | ||
7704 | if (ar->phy_capability & WHAL_WLAN_11A_CAPABILITY) { | |
7705 | channels = kmemdup(ath10k_5ghz_channels, | |
7706 | sizeof(ath10k_5ghz_channels), | |
7707 | GFP_KERNEL); | |
7708 | if (!channels) { | |
d6015b27 MK |
7709 | ret = -ENOMEM; |
7710 | goto err_free; | |
5e3dd157 KV |
7711 | } |
7712 | ||
57fbcce3 | 7713 | band = &ar->mac.sbands[NL80211_BAND_5GHZ]; |
5e3dd157 KV |
7714 | band->n_channels = ARRAY_SIZE(ath10k_5ghz_channels); |
7715 | band->channels = channels; | |
7716 | band->n_bitrates = ath10k_a_rates_size; | |
7717 | band->bitrates = ath10k_a_rates; | |
57fbcce3 | 7718 | ar->hw->wiphy->bands[NL80211_BAND_5GHZ] = band; |
5e3dd157 KV |
7719 | } |
7720 | ||
5036fe0f RM |
7721 | ath10k_mac_setup_ht_vht_cap(ar); |
7722 | ||
5e3dd157 KV |
7723 | ar->hw->wiphy->interface_modes = |
7724 | BIT(NL80211_IFTYPE_STATION) | | |
b6c7bafa BC |
7725 | BIT(NL80211_IFTYPE_AP) | |
7726 | BIT(NL80211_IFTYPE_MESH_POINT); | |
d354181f | 7727 | |
166de3f1 RM |
7728 | ar->hw->wiphy->available_antennas_rx = ar->cfg_rx_chainmask; |
7729 | ar->hw->wiphy->available_antennas_tx = ar->cfg_tx_chainmask; | |
46acf7bb | 7730 | |
c4cdf753 | 7731 | if (!test_bit(ATH10K_FW_FEATURE_NO_P2P, ar->normal_mode_fw.fw_file.fw_features)) |
d354181f | 7732 | ar->hw->wiphy->interface_modes |= |
75d2bd48 | 7733 | BIT(NL80211_IFTYPE_P2P_DEVICE) | |
d354181f BM |
7734 | BIT(NL80211_IFTYPE_P2P_CLIENT) | |
7735 | BIT(NL80211_IFTYPE_P2P_GO); | |
5e3dd157 | 7736 | |
30686bf7 JB |
7737 | ieee80211_hw_set(ar->hw, SIGNAL_DBM); |
7738 | ieee80211_hw_set(ar->hw, SUPPORTS_PS); | |
7739 | ieee80211_hw_set(ar->hw, SUPPORTS_DYNAMIC_PS); | |
7740 | ieee80211_hw_set(ar->hw, MFP_CAPABLE); | |
7741 | ieee80211_hw_set(ar->hw, REPORTS_TX_ACK_STATUS); | |
7742 | ieee80211_hw_set(ar->hw, HAS_RATE_CONTROL); | |
7743 | ieee80211_hw_set(ar->hw, AP_LINK_PS); | |
7744 | ieee80211_hw_set(ar->hw, SPECTRUM_MGMT); | |
30686bf7 JB |
7745 | ieee80211_hw_set(ar->hw, SUPPORT_FAST_XMIT); |
7746 | ieee80211_hw_set(ar->hw, CONNECTION_MONITOR); | |
7747 | ieee80211_hw_set(ar->hw, SUPPORTS_PER_STA_GTK); | |
7748 | ieee80211_hw_set(ar->hw, WANT_MONITOR_VIF); | |
7749 | ieee80211_hw_set(ar->hw, CHANCTX_STA_CSA); | |
7750 | ieee80211_hw_set(ar->hw, QUEUE_CONTROL); | |
5e3dd157 | 7751 | |
ccec9038 DL |
7752 | if (!test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) |
7753 | ieee80211_hw_set(ar->hw, SW_CRYPTO_CONTROL); | |
7754 | ||
0d8614b4 | 7755 | ar->hw->wiphy->features |= NL80211_FEATURE_STATIC_SMPS; |
0cd9bc14 | 7756 | ar->hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; |
0d8614b4 | 7757 | |
5e3dd157 | 7758 | if (ar->ht_cap_info & WMI_HT_CAP_DYNAMIC_SMPS) |
0d8614b4 | 7759 | ar->hw->wiphy->features |= NL80211_FEATURE_DYNAMIC_SMPS; |
5e3dd157 KV |
7760 | |
7761 | if (ar->ht_cap_info & WMI_HT_CAP_ENABLED) { | |
30686bf7 JB |
7762 | ieee80211_hw_set(ar->hw, AMPDU_AGGREGATION); |
7763 | ieee80211_hw_set(ar->hw, TX_AMPDU_SETUP_IN_HW); | |
5e3dd157 KV |
7764 | } |
7765 | ||
7766 | ar->hw->wiphy->max_scan_ssids = WLAN_SCAN_PARAMS_MAX_SSID; | |
7767 | ar->hw->wiphy->max_scan_ie_len = WLAN_SCAN_PARAMS_MAX_IE_LEN; | |
7768 | ||
7769 | ar->hw->vif_data_size = sizeof(struct ath10k_vif); | |
9797febc | 7770 | ar->hw->sta_data_size = sizeof(struct ath10k_sta); |
29946878 | 7771 | ar->hw->txq_data_size = sizeof(struct ath10k_txq); |
5e3dd157 | 7772 | |
5e3dd157 KV |
7773 | ar->hw->max_listen_interval = ATH10K_MAX_HW_LISTEN_INTERVAL; |
7774 | ||
fbb8f1b7 MK |
7775 | if (test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map)) { |
7776 | ar->hw->wiphy->flags |= WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD; | |
7777 | ||
7778 | /* Firmware delivers WPS/P2P Probe Requests frames to driver so | |
7779 | * that userspace (e.g. wpa_supplicant/hostapd) can generate | |
7780 | * correct Probe Responses. This is more of a hack advert.. | |
7781 | */ | |
7782 | ar->hw->wiphy->probe_resp_offload |= | |
7783 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | | |
7784 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | | |
7785 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; | |
7786 | } | |
7787 | ||
75d85fd9 MP |
7788 | if (test_bit(WMI_SERVICE_TDLS, ar->wmi.svc_map)) |
7789 | ar->hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS; | |
7790 | ||
5e3dd157 | 7791 | ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; |
c2df44b3 | 7792 | ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; |
5e3dd157 KV |
7793 | ar->hw->wiphy->max_remain_on_channel_duration = 5000; |
7794 | ||
7795 | ar->hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD; | |
bf031bc4 VT |
7796 | ar->hw->wiphy->features |= NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE | |
7797 | NL80211_FEATURE_AP_SCAN; | |
78157a1c | 7798 | |
37a0b394 JD |
7799 | ar->hw->wiphy->max_ap_assoc_sta = ar->max_num_stations; |
7800 | ||
5fd3ac3c JD |
7801 | ret = ath10k_wow_init(ar); |
7802 | if (ret) { | |
7803 | ath10k_warn(ar, "failed to init wow: %d\n", ret); | |
7804 | goto err_free; | |
7805 | } | |
7806 | ||
c702534a JD |
7807 | wiphy_ext_feature_set(ar->hw->wiphy, NL80211_EXT_FEATURE_VHT_IBSS); |
7808 | ||
5e3dd157 KV |
7809 | /* |
7810 | * on LL hardware queues are managed entirely by the FW | |
7811 | * so we only advertise to mac we can do the queues thing | |
7812 | */ | |
96d828d4 MK |
7813 | ar->hw->queues = IEEE80211_MAX_QUEUES; |
7814 | ||
7815 | /* vdev_ids are used as hw queue numbers. Make sure offchan tx queue is | |
7816 | * something that vdev_ids can't reach so that we don't stop the queue | |
7817 | * accidentally. | |
7818 | */ | |
7819 | ar->hw->offchannel_tx_hw_queue = IEEE80211_MAX_QUEUES - 1; | |
5e3dd157 | 7820 | |
bf3c13ab | 7821 | switch (ar->running_fw->fw_file.wmi_op_version) { |
5cc7caf4 | 7822 | case ATH10K_FW_WMI_OP_VERSION_MAIN: |
f259509b BM |
7823 | ar->hw->wiphy->iface_combinations = ath10k_if_comb; |
7824 | ar->hw->wiphy->n_iface_combinations = | |
7825 | ARRAY_SIZE(ath10k_if_comb); | |
cf850d1d | 7826 | ar->hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC); |
5cc7caf4 | 7827 | break; |
cf32784c MK |
7828 | case ATH10K_FW_WMI_OP_VERSION_TLV: |
7829 | if (test_bit(WMI_SERVICE_ADAPTIVE_OCS, ar->wmi.svc_map)) { | |
7830 | ar->hw->wiphy->iface_combinations = | |
7831 | ath10k_tlv_qcs_if_comb; | |
7832 | ar->hw->wiphy->n_iface_combinations = | |
7833 | ARRAY_SIZE(ath10k_tlv_qcs_if_comb); | |
7834 | } else { | |
7835 | ar->hw->wiphy->iface_combinations = ath10k_tlv_if_comb; | |
7836 | ar->hw->wiphy->n_iface_combinations = | |
7837 | ARRAY_SIZE(ath10k_tlv_if_comb); | |
7838 | } | |
7839 | ar->hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC); | |
7840 | break; | |
5cc7caf4 KV |
7841 | case ATH10K_FW_WMI_OP_VERSION_10_1: |
7842 | case ATH10K_FW_WMI_OP_VERSION_10_2: | |
4a16fbec | 7843 | case ATH10K_FW_WMI_OP_VERSION_10_2_4: |
5cc7caf4 KV |
7844 | ar->hw->wiphy->iface_combinations = ath10k_10x_if_comb; |
7845 | ar->hw->wiphy->n_iface_combinations = | |
7846 | ARRAY_SIZE(ath10k_10x_if_comb); | |
7847 | break; | |
9bd21322 | 7848 | case ATH10K_FW_WMI_OP_VERSION_10_4: |
cf36fef0 RM |
7849 | ar->hw->wiphy->iface_combinations = ath10k_10_4_if_comb; |
7850 | ar->hw->wiphy->n_iface_combinations = | |
7851 | ARRAY_SIZE(ath10k_10_4_if_comb); | |
9bd21322 | 7852 | break; |
5cc7caf4 KV |
7853 | case ATH10K_FW_WMI_OP_VERSION_UNSET: |
7854 | case ATH10K_FW_WMI_OP_VERSION_MAX: | |
7855 | WARN_ON(1); | |
7856 | ret = -EINVAL; | |
7857 | goto err_free; | |
f259509b | 7858 | } |
5e3dd157 | 7859 | |
ccec9038 DL |
7860 | if (!test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) |
7861 | ar->hw->netdev_features = NETIF_F_HW_CSUM; | |
7c199997 | 7862 | |
9702c686 JD |
7863 | if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED)) { |
7864 | /* Init ath dfs pattern detector */ | |
7865 | ar->ath_common.debug_mask = ATH_DBG_DFS; | |
7866 | ar->dfs_detector = dfs_pattern_detector_init(&ar->ath_common, | |
7867 | NL80211_DFS_UNSET); | |
7868 | ||
7869 | if (!ar->dfs_detector) | |
7aa7a72a | 7870 | ath10k_warn(ar, "failed to initialise DFS pattern detector\n"); |
9702c686 JD |
7871 | } |
7872 | ||
5e3dd157 KV |
7873 | ret = ath_regd_init(&ar->ath_common.regulatory, ar->hw->wiphy, |
7874 | ath10k_reg_notifier); | |
7875 | if (ret) { | |
7aa7a72a | 7876 | ath10k_err(ar, "failed to initialise regulatory: %i\n", ret); |
0e339447 | 7877 | goto err_dfs_detector_exit; |
5e3dd157 KV |
7878 | } |
7879 | ||
3cb10943 JB |
7880 | ar->hw->wiphy->cipher_suites = cipher_suites; |
7881 | ar->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); | |
7882 | ||
5e3dd157 KV |
7883 | ret = ieee80211_register_hw(ar->hw); |
7884 | if (ret) { | |
7aa7a72a | 7885 | ath10k_err(ar, "failed to register ieee80211: %d\n", ret); |
0e339447 | 7886 | goto err_dfs_detector_exit; |
5e3dd157 KV |
7887 | } |
7888 | ||
7889 | if (!ath_is_world_regd(&ar->ath_common.regulatory)) { | |
7890 | ret = regulatory_hint(ar->hw->wiphy, | |
7891 | ar->ath_common.regulatory.alpha2); | |
7892 | if (ret) | |
d6015b27 | 7893 | goto err_unregister; |
5e3dd157 KV |
7894 | } |
7895 | ||
7896 | return 0; | |
d6015b27 MK |
7897 | |
7898 | err_unregister: | |
5e3dd157 | 7899 | ieee80211_unregister_hw(ar->hw); |
0e339447 JJ |
7900 | |
7901 | err_dfs_detector_exit: | |
7902 | if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector) | |
7903 | ar->dfs_detector->exit(ar->dfs_detector); | |
7904 | ||
d6015b27 | 7905 | err_free: |
57fbcce3 JB |
7906 | kfree(ar->mac.sbands[NL80211_BAND_2GHZ].channels); |
7907 | kfree(ar->mac.sbands[NL80211_BAND_5GHZ].channels); | |
d6015b27 | 7908 | |
0e339447 | 7909 | SET_IEEE80211_DEV(ar->hw, NULL); |
5e3dd157 KV |
7910 | return ret; |
7911 | } | |
7912 | ||
7913 | void ath10k_mac_unregister(struct ath10k *ar) | |
7914 | { | |
7915 | ieee80211_unregister_hw(ar->hw); | |
7916 | ||
9702c686 JD |
7917 | if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector) |
7918 | ar->dfs_detector->exit(ar->dfs_detector); | |
7919 | ||
57fbcce3 JB |
7920 | kfree(ar->mac.sbands[NL80211_BAND_2GHZ].channels); |
7921 | kfree(ar->mac.sbands[NL80211_BAND_5GHZ].channels); | |
5e3dd157 KV |
7922 | |
7923 | SET_IEEE80211_DEV(ar->hw, NULL); | |
7924 | } |