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iwlwifi: mvm: don't send commands during suspend\resume transition
[linux-block.git] / drivers / net / wireless / intel / iwlwifi / mvm / mac80211.c
CommitLineData
8e99ea8d
JB		 1// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
2/*
3 * Copyright (C) 2012-2014, 2018-2020 Intel Corporation
4 * Copyright (C) 2013-2015 Intel Mobile Communications GmbH
5 * Copyright (C) 2016-2017 Intel Deutschland GmbH
6 */
8ca151b5
JB		 7#include <linux/kernel.h>
8#include <linux/slab.h>
9#include <linux/skbuff.h>
10#include <linux/netdevice.h>
11#include <linux/etherdevice.h>
f0c2646a 12#include <linux/ip.h>
2ee8f021 13#include <linux/if_arp.h>
2f89a5d7 14#include <linux/time.h>
8ca151b5 15#include <net/mac80211.h>
7b1dd048 16#include <net/ieee80211_radiotap.h>
f0c2646a 17#include <net/tcp.h>
8ca151b5
JB		 18
19#include "iwl-op-mode.h"
20#include "iwl-io.h"
21#include "mvm.h"
22#include "sta.h"
23#include "time-event.h"
24#include "iwl-eeprom-parse.h"
8ca151b5 25#include "iwl-phy-db.h"
507cadf2 26#include "testmode.h"
d962f9b1 27#include "fw/error-dump.h"
655e6d6d 28#include "iwl-prph.h"
88931cc9 29#include "iwl-nvm-parse.h"
8ca151b5
JB		 30
31static const struct ieee80211_iface_limit iwl_mvm_limits[] = {
32 {
33 .max = 1,
8eb38710 34 .types = BIT(NL80211_IFTYPE_STATION),
8ca151b5 35 },
3c15a0fb
JB		 36 {
37 .max = 1,
8eb38710
IP		 38 .types = BIT(NL80211_IFTYPE_AP) |
39 BIT(NL80211_IFTYPE_P2P_CLIENT) |
3c15a0fb
JB		 40 BIT(NL80211_IFTYPE_P2P_GO),
41 },
42 {
43 .max = 1,
44 .types = BIT(NL80211_IFTYPE_P2P_DEVICE),
45 },
8ca151b5
JB		 46};
47
48static const struct ieee80211_iface_combination iwl_mvm_iface_combinations[] = {
49 {
2624a5ca 50 .num_different_channels = 2,
8ca151b5
JB		 51 .max_interfaces = 3,
52 .limits = iwl_mvm_limits,
53 .n_limits = ARRAY_SIZE(iwl_mvm_limits),
54 },
55};
56
77736923 57#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
2ee8f021
EP		 58/*
59 * Use the reserved field to indicate magic values.
60 * these values will only be used internally by the driver,
61 * and won't make it to the fw (reserved will be 0).
62 * BC_FILTER_MAGIC_IP - configure the val of this attribute to
63 * be the vif's ip address. in case there is not a single
64 * ip address (0, or more than 1), this attribute will
65 * be skipped.
66 * BC_FILTER_MAGIC_MAC - set the val of this attribute to
67 * the LSB bytes of the vif's mac address
68 */
69enum {
70 BC_FILTER_MAGIC_NONE = 0,
71 BC_FILTER_MAGIC_IP,
72 BC_FILTER_MAGIC_MAC,
73};
74
77736923
EP		 75static const struct iwl_fw_bcast_filter iwl_mvm_default_bcast_filters[] = {
76 {
77 /* arp */
78 .discard = 0,
79 .frame_type = BCAST_FILTER_FRAME_TYPE_ALL,
80 .attrs = {
81 {
82 /* frame type - arp, hw type - ethernet */
83 .offset_type =
84 BCAST_FILTER_OFFSET_PAYLOAD_START,
85 .offset = sizeof(rfc1042_header),
86 .val = cpu_to_be32(0x08060001),
87 .mask = cpu_to_be32(0xffffffff),
88 },
2ee8f021
EP		 89 {
90 /* arp dest ip */
91 .offset_type =
92 BCAST_FILTER_OFFSET_PAYLOAD_START,
93 .offset = sizeof(rfc1042_header) + 2 +
94 sizeof(struct arphdr) +
95 ETH_ALEN + sizeof(__be32) +
96 ETH_ALEN,
97 .mask = cpu_to_be32(0xffffffff),
98 /* mark it as special field */
99 .reserved1 = cpu_to_le16(BC_FILTER_MAGIC_IP),
100 },
101 },
102 },
103 {
104 /* dhcp offer bcast */
105 .discard = 0,
106 .frame_type = BCAST_FILTER_FRAME_TYPE_IPV4,
107 .attrs = {
108 {
109 /* udp dest port - 68 (bootp client)*/
110 .offset_type = BCAST_FILTER_OFFSET_IP_END,
111 .offset = offsetof(struct udphdr, dest),
112 .val = cpu_to_be32(0x00440000),
113 .mask = cpu_to_be32(0xffff0000),
114 },
115 {
116 /* dhcp - lsb bytes of client hw address */
117 .offset_type = BCAST_FILTER_OFFSET_IP_END,
118 .offset = 38,
119 .mask = cpu_to_be32(0xffffffff),
120 /* mark it as special field */
121 .reserved1 = cpu_to_le16(BC_FILTER_MAGIC_MAC),
122 },
77736923
EP		 123 },
124 },
125 /* last filter must be empty */
126 {},
127};
128#endif
129
fc36ffda
JB		 130static const struct cfg80211_pmsr_capabilities iwl_mvm_pmsr_capa = {
131 .max_peers = IWL_MVM_TOF_MAX_APS,
132 .report_ap_tsf = 1,
133 .randomize_mac_addr = 1,
134
135 .ftm = {
136 .supported = 1,
137 .asap = 1,
138 .non_asap = 1,
139 .request_lci = 1,
140 .request_civicloc = 1,
6815e3d0
AS		 141 .trigger_based = 1,
142 .non_trigger_based = 1,
fc36ffda
JB		 143 .max_bursts_exponent = -1, /* all supported */
144 .max_ftms_per_burst = 0, /* no limits */
145 .bandwidths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
146 BIT(NL80211_CHAN_WIDTH_20) |
147 BIT(NL80211_CHAN_WIDTH_40) |
148 BIT(NL80211_CHAN_WIDTH_80),
149 .preambles = BIT(NL80211_PREAMBLE_LEGACY) |
150 BIT(NL80211_PREAMBLE_HT) |
6815e3d0
AS		 151 BIT(NL80211_PREAMBLE_VHT) |
152 BIT(NL80211_PREAMBLE_HE),
fc36ffda
JB		 153 },
154};
155
6569e7d3
JB		 156static int __iwl_mvm_mac_set_key(struct ieee80211_hw *hw,
157 enum set_key_cmd cmd,
158 struct ieee80211_vif *vif,
159 struct ieee80211_sta *sta,
160 struct ieee80211_key_conf *key);
c56e00a3 161
fe0f2de3
IP		 162static void iwl_mvm_reset_phy_ctxts(struct iwl_mvm *mvm)
163{
164 int i;
165
166 memset(mvm->phy_ctxts, 0, sizeof(mvm->phy_ctxts));
167 for (i = 0; i < NUM_PHY_CTX; i++) {
168 mvm->phy_ctxts[i].id = i;
169 mvm->phy_ctxts[i].ref = 0;
170 }
171}
172
88931cc9 173struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy,
8ba2d7a1 174 const char *alpha2,
47c8b154
JD		 175 enum iwl_mcc_source src_id,
176 bool *changed)
88931cc9
AN		 177{
178 struct ieee80211_regdomain *regd = NULL;
179 struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
180 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
181 struct iwl_mcc_update_resp *resp;
e27c506a 182 u8 resp_ver;
88931cc9
AN		 183
184 IWL_DEBUG_LAR(mvm, "Getting regdomain data for %s from FW\n", alpha2);
185
8ba2d7a1 186 lockdep_assert_held(&mvm->mutex);
88931cc9 187
8ba2d7a1 188 resp = iwl_mvm_update_mcc(mvm, alpha2, src_id);
88931cc9
AN		 189 if (IS_ERR_OR_NULL(resp)) {
190 IWL_DEBUG_LAR(mvm, "Could not get update from FW %d\n",
b8c474d9 191 PTR_ERR_OR_ZERO(resp));
8ba2d7a1 192 goto out;
88931cc9
AN		 193 }
194
82715ac7
EG		 195 if (changed) {
196 u32 status = le32_to_cpu(resp->status);
197
198 *changed = (status == MCC_RESP_NEW_CHAN_PROFILE ||
199 status == MCC_RESP_ILLEGAL);
200 }
e27c506a
GA		 201 resp_ver = iwl_fw_lookup_notif_ver(mvm->fw, IWL_ALWAYS_LONG_GROUP,
202 MCC_UPDATE_CMD, 0);
203 IWL_DEBUG_LAR(mvm, "MCC update response version: %d\n", resp_ver);
47c8b154 204
162ee3c9 205 regd = iwl_parse_nvm_mcc_info(mvm->trans->dev, mvm->cfg,
88931cc9
AN		 206 __le32_to_cpu(resp->n_channels),
207 resp->channels,
77e30e10 208 __le16_to_cpu(resp->mcc),
2763bba6 209 __le16_to_cpu(resp->geo_info),
e27c506a 210 __le16_to_cpu(resp->cap), resp_ver);
8ba2d7a1
EH		 211 /* Store the return source id */
212 src_id = resp->source_id;
88931cc9
AN		 213 kfree(resp);
214 if (IS_ERR_OR_NULL(regd)) {
215 IWL_DEBUG_LAR(mvm, "Could not get parse update from FW %d\n",
b8c474d9 216 PTR_ERR_OR_ZERO(regd));
8ba2d7a1 217 goto out;
88931cc9
AN		 218 }
219
8ba2d7a1
EH		 220 IWL_DEBUG_LAR(mvm, "setting alpha2 from FW to %s (0x%x, 0x%x) src=%d\n",
221 regd->alpha2, regd->alpha2[0], regd->alpha2[1], src_id);
88931cc9 222 mvm->lar_regdom_set = true;
8ba2d7a1 223 mvm->mcc_src = src_id;
88931cc9 224
8ba2d7a1 225out:
88931cc9
AN		 226 return regd;
227}
228
47c8b154
JD		 229void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm)
230{
231 bool changed;
232 struct ieee80211_regdomain *regd;
233
234 if (!iwl_mvm_is_lar_supported(mvm))
235 return;
236
237 regd = iwl_mvm_get_current_regdomain(mvm, &changed);
238 if (!IS_ERR_OR_NULL(regd)) {
239 /* only update the regulatory core if changed */
240 if (changed)
241 regulatory_set_wiphy_regd(mvm->hw->wiphy, regd);
242
243 kfree(regd);
244 }
245}
246
247struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm,
248 bool *changed)
8ba2d7a1
EH		 249{
250 return iwl_mvm_get_regdomain(mvm->hw->wiphy, "ZZ",
251 iwl_mvm_is_wifi_mcc_supported(mvm) ?
252 MCC_SOURCE_GET_CURRENT :
47c8b154 253 MCC_SOURCE_OLD_FW, changed);
8ba2d7a1
EH		 254}
255
256int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm)
257{
258 enum iwl_mcc_source used_src;
259 struct ieee80211_regdomain *regd;
b6e160ab
AN		 260 int ret;
261 bool changed;
8ba2d7a1
EH		 262 const struct ieee80211_regdomain *r =
263 rtnl_dereference(mvm->hw->wiphy->regd);
264
265 if (!r)
b6e160ab 266 return -ENOENT;
8ba2d7a1
EH		 267
268 /* save the last source in case we overwrite it below */
269 used_src = mvm->mcc_src;
270 if (iwl_mvm_is_wifi_mcc_supported(mvm)) {
271 /* Notify the firmware we support wifi location updates */
47c8b154 272 regd = iwl_mvm_get_current_regdomain(mvm, NULL);
8ba2d7a1
EH		 273 if (!IS_ERR_OR_NULL(regd))
274 kfree(regd);
275 }
276
277 /* Now set our last stored MCC and source */
b6e160ab
AN		 278 regd = iwl_mvm_get_regdomain(mvm->hw->wiphy, r->alpha2, used_src,
279 &changed);
8ba2d7a1
EH		 280 if (IS_ERR_OR_NULL(regd))
281 return -EIO;
282
b6e160ab
AN		 283 /* update cfg80211 if the regdomain was changed */
284 if (changed)
285 ret = regulatory_set_wiphy_regd_sync_rtnl(mvm->hw->wiphy, regd);
286 else
287 ret = 0;
8ba2d7a1 288
b6e160ab
AN		 289 kfree(regd);
290 return ret;
8ba2d7a1
EH		 291}
292
7f2ea521 293static const u8 he_if_types_ext_capa_sta[] = {
7360f99e 294 [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING,
918cbf39 295 [2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT,
7360f99e
EG		 296 [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF,
297 [9] = WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT,
298};
299
7f2ea521 300static const struct wiphy_iftype_ext_capab he_iftypes_ext_capa[] = {
7360f99e
EG		 301 {
302 .iftype = NL80211_IFTYPE_STATION,
303 .extended_capabilities = he_if_types_ext_capa_sta,
304 .extended_capabilities_mask = he_if_types_ext_capa_sta,
305 .extended_capabilities_len = sizeof(he_if_types_ext_capa_sta),
306 },
307};
308
e8503aec
BG		 309static int
310iwl_mvm_op_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant)
311{
312 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
313 *tx_ant = iwl_mvm_get_valid_tx_ant(mvm);
314 *rx_ant = iwl_mvm_get_valid_rx_ant(mvm);
315 return 0;
316}
317
8ca151b5
JB		 318int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
319{
320 struct ieee80211_hw *hw = mvm->hw;
831e85f3 321 int num_mac, ret, i;
5f4c02e2
JB		 322 static const u32 mvm_ciphers[] = {
323 WLAN_CIPHER_SUITE_WEP40,
324 WLAN_CIPHER_SUITE_WEP104,
325 WLAN_CIPHER_SUITE_TKIP,
326 WLAN_CIPHER_SUITE_CCMP,
327 };
3f37c229
IY		 328#ifdef CONFIG_PM_SLEEP
329 bool unified = fw_has_capa(&mvm->fw->ucode_capa,
330 IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG);
331#endif
8ca151b5
JB		 332
333 /* Tell mac80211 our characteristics */
30686bf7
JB		 334 ieee80211_hw_set(hw, SIGNAL_DBM);
335 ieee80211_hw_set(hw, SPECTRUM_MGMT);
336 ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS);
30686bf7
JB		 337 ieee80211_hw_set(hw, WANT_MONITOR_VIF);
338 ieee80211_hw_set(hw, SUPPORTS_PS);
339 ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS);
340 ieee80211_hw_set(hw, AMPDU_AGGREGATION);
341 ieee80211_hw_set(hw, TIMING_BEACON_ONLY);
342 ieee80211_hw_set(hw, CONNECTION_MONITOR);
343 ieee80211_hw_set(hw, CHANCTX_STA_CSA);
344 ieee80211_hw_set(hw, SUPPORT_FAST_XMIT);
345 ieee80211_hw_set(hw, SUPPORTS_CLONED_SKBS);
909ddf0b 346 ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU);
30433d3b 347 ieee80211_hw_set(hw, NEEDS_UNIQUE_STA_ADDR);
d270e7b8 348 ieee80211_hw_set(hw, DEAUTH_NEED_MGD_TX_PREP);
520229e4 349 ieee80211_hw_set(hw, SUPPORTS_VHT_EXT_NSS_BW);
cfbc6c4c
SS		 350 ieee80211_hw_set(hw, BUFF_MMPDU_TXQ);
351 ieee80211_hw_set(hw, STA_MMPDU_TXQ);
cfb21b11
JB		 352 /*
353 * On older devices, enabling TX A-MSDU occasionally leads to
354 * something getting messed up, the command read from the FIFO
355 * gets out of sync and isn't a TX command, so that we have an
356 * assert EDC.
357 *
358 * It's not clear where the bug is, but since we didn't used to
359 * support A-MSDU until moving the mac80211 iTXQs, just leave it
360 * for older devices. We also don't see this issue on any newer
361 * devices.
362 */
7d34a7d7 363 if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_9000)
cfb21b11 364 ieee80211_hw_set(hw, TX_AMSDU);
438af969 365 ieee80211_hw_set(hw, TX_FRAG_LIST);
ecaf71de 366
4243edb4 367 if (iwl_mvm_has_tlc_offload(mvm)) {
ecaf71de
GG		 368 ieee80211_hw_set(hw, TX_AMPDU_SETUP_IN_HW);
369 ieee80211_hw_set(hw, HAS_RATE_CONTROL);
370 }
371
b915c101
SS		 372 if (iwl_mvm_has_new_rx_api(mvm))
373 ieee80211_hw_set(hw, SUPPORTS_REORDERING_BUFFER);
960f864b
JB		 374
375 if (fw_has_capa(&mvm->fw->ucode_capa,
376 IWL_UCODE_TLV_CAPA_STA_PM_NOTIF)) {
65e25482 377 ieee80211_hw_set(hw, AP_LINK_PS);
960f864b
JB		 378 } else if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) {
379 /*
380 * we absolutely need this for the new TX API since that comes
381 * with many more queues than the current code can deal with
382 * for station powersave
383 */
384 return -EINVAL;
385 }
8ca151b5 386
80938abc
JB		 387 if (mvm->trans->num_rx_queues > 1)
388 ieee80211_hw_set(hw, USES_RSS);
389
2d7cf549
JB		 390 if (mvm->trans->max_skb_frags)
391 hw->netdev_features = NETIF_F_HIGHDMA | NETIF_F_SG;
392
c8f54701 393 hw->queues = IEEE80211_MAX_QUEUES;
398e8c6c 394 hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE;
7b1dd048
EG		 395 hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FEC |
396 IEEE80211_RADIOTAP_MCS_HAVE_STBC;
339b3086
ES		 397 hw->radiotap_vht_details |= IEEE80211_RADIOTAP_VHT_KNOWN_STBC |
398 IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED;
371a17ed
JB		 399
400 hw->radiotap_timestamp.units_pos =
401 IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US |
402 IEEE80211_RADIOTAP_TIMESTAMP_SPOS_PLCP_SIG_ACQ;
403 /* this is the case for CCK frames, it's better (only 8) for OFDM */
404 hw->radiotap_timestamp.accuracy = 22;
405
4243edb4 406 if (!iwl_mvm_has_tlc_offload(mvm))
9f66a397
GG		 407 hw->rate_control_algorithm = RS_NAME;
408
848955cc
JB		 409 hw->uapsd_queues = IWL_MVM_UAPSD_QUEUES;
410 hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP;
438af969 411 hw->max_tx_fragments = mvm->trans->max_skb_frags;
8ca151b5 412
8e160ab8 413 BUILD_BUG_ON(ARRAY_SIZE(mvm->ciphers) < ARRAY_SIZE(mvm_ciphers) + 6);
5f4c02e2
JB		 414 memcpy(mvm->ciphers, mvm_ciphers, sizeof(mvm_ciphers));
415 hw->wiphy->n_cipher_suites = ARRAY_SIZE(mvm_ciphers);
416 hw->wiphy->cipher_suites = mvm->ciphers;
417
2a53d166
AB		 418 if (iwl_mvm_has_new_rx_api(mvm)) {
419 mvm->ciphers[hw->wiphy->n_cipher_suites] =
420 WLAN_CIPHER_SUITE_GCMP;
421 hw->wiphy->n_cipher_suites++;
422 mvm->ciphers[hw->wiphy->n_cipher_suites] =
423 WLAN_CIPHER_SUITE_GCMP_256;
424 hw->wiphy->n_cipher_suites++;
425 }
426
f4bfdc5e
EG		 427 if (iwlwifi_mod_params.swcrypto)
428 IWL_ERR(mvm,
429 "iwlmvm doesn't allow to disable HW crypto, check swcrypto module parameter\n");
430 if (!iwlwifi_mod_params.bt_coex_active)
431 IWL_ERR(mvm,
432 "iwlmvm doesn't allow to disable BT Coex, check bt_coex_active module parameter\n");
433
434 ieee80211_hw_set(hw, MFP_CAPABLE);
435 mvm->ciphers[hw->wiphy->n_cipher_suites] = WLAN_CIPHER_SUITE_AES_CMAC;
436 hw->wiphy->n_cipher_suites++;
437 if (iwl_mvm_has_new_rx_api(mvm)) {
5f4c02e2 438 mvm->ciphers[hw->wiphy->n_cipher_suites] =
f4bfdc5e
EG		 439 WLAN_CIPHER_SUITE_BIP_GMAC_128;
440 hw->wiphy->n_cipher_suites++;
441 mvm->ciphers[hw->wiphy->n_cipher_suites] =
442 WLAN_CIPHER_SUITE_BIP_GMAC_256;
5f4c02e2
JB		 443 hw->wiphy->n_cipher_suites++;
444 }
445
446 /* currently FW API supports only one optional cipher scheme */
447 if (mvm->fw->cs[0].cipher) {
24ddddf3
JB		 448 const struct iwl_fw_cipher_scheme *fwcs = &mvm->fw->cs[0];
449 struct ieee80211_cipher_scheme *cs = &mvm->cs[0];
450
5f4c02e2 451 mvm->hw->n_cipher_schemes = 1;
24ddddf3
JB		 452
453 cs->cipher = le32_to_cpu(fwcs->cipher);
454 cs->iftype = BIT(NL80211_IFTYPE_STATION);
455 cs->hdr_len = fwcs->hdr_len;
456 cs->pn_len = fwcs->pn_len;
457 cs->pn_off = fwcs->pn_off;
458 cs->key_idx_off = fwcs->key_idx_off;
459 cs->key_idx_mask = fwcs->key_idx_mask;
460 cs->key_idx_shift = fwcs->key_idx_shift;
461 cs->mic_len = fwcs->mic_len;
462
463 mvm->hw->cipher_schemes = mvm->cs;
464 mvm->ciphers[hw->wiphy->n_cipher_suites] = cs->cipher;
5f4c02e2
JB		 465 hw->wiphy->n_cipher_suites++;
466 }
8ca151b5 467
b73f9a4a 468 if (fw_has_capa(&mvm->fw->ucode_capa,
fc36ffda 469 IWL_UCODE_TLV_CAPA_FTM_CALIBRATED)) {
b73f9a4a
JB		 470 wiphy_ext_feature_set(hw->wiphy,
471 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER);
fc36ffda
JB		 472 hw->wiphy->pmsr_capa = &iwl_mvm_pmsr_capa;
473 }
b73f9a4a 474
30686bf7 475 ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS);
1f940386
LC		 476 hw->wiphy->features |=
477 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR |
3db93420
JB		 478 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR |
479 NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
fb98be5e 480
8ca151b5
JB		 481 hw->sta_data_size = sizeof(struct iwl_mvm_sta);
482 hw->vif_data_size = sizeof(struct iwl_mvm_vif);
fe0f2de3 483 hw->chanctx_data_size = sizeof(u16);
cfbc6c4c 484 hw->txq_data_size = sizeof(struct iwl_mvm_txq);
8ca151b5
JB		 485
486 hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
3c15a0fb
JB		 487 BIT(NL80211_IFTYPE_P2P_CLIENT) |
488 BIT(NL80211_IFTYPE_AP) |
489 BIT(NL80211_IFTYPE_P2P_GO) |
c13b1725
EG		 490 BIT(NL80211_IFTYPE_P2P_DEVICE) |
491 BIT(NL80211_IFTYPE_ADHOC);
5023d966 492
a2f73b6c 493 hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
e47df5bd 494 wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_VHT_IBSS);
33e3fd99
AW		 495
496 /* The new Tx API does not allow to pass the key or keyid of a MPDU to
497 * the hw, preventing us to control which key(id) to use per MPDU.
498 * Till that's fixed we can't use Extended Key ID for the newer cards.
499 */
500 if (!iwl_mvm_has_new_tx_api(mvm))
501 wiphy_ext_feature_set(hw->wiphy,
502 NL80211_EXT_FEATURE_EXT_KEY_ID);
e47df5bd
JB		 503 hw->wiphy->features |= NL80211_FEATURE_HT_IBSS;
504
8ba2d7a1
EH		 505 hw->wiphy->regulatory_flags |= REGULATORY_ENABLE_RELAX_NO_IR;
506 if (iwl_mvm_is_lar_supported(mvm))
507 hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED;
508 else
509 hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG |
510 REGULATORY_DISABLE_BEACON_HINTS;
8ca151b5 511
4b87e5af 512 hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD;
94bbed72 513 hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
eae94cf8 514 hw->wiphy->flags |= WIPHY_FLAG_SPLIT_SCAN_6GHZ;
bd3398e2 515
8ca151b5
JB		 516 hw->wiphy->iface_combinations = iwl_mvm_iface_combinations;
517 hw->wiphy->n_iface_combinations =
518 ARRAY_SIZE(iwl_mvm_iface_combinations);
519
c451e6d4 520 hw->wiphy->max_remain_on_channel_duration = 10000;
8ca151b5
JB		 521 hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL;
522
523 /* Extract MAC address */
524 memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN);
525 hw->wiphy->addresses = mvm->addresses;
526 hw->wiphy->n_addresses = 1;
831e85f3
IP		 527
528 /* Extract additional MAC addresses if available */
529 num_mac = (mvm->nvm_data->n_hw_addrs > 1) ?
530 min(IWL_MVM_MAX_ADDRESSES, mvm->nvm_data->n_hw_addrs) : 1;
531
532 for (i = 1; i < num_mac; i++) {
533 memcpy(mvm->addresses[i].addr, mvm->addresses[i-1].addr,
8ca151b5 534 ETH_ALEN);
831e85f3 535 mvm->addresses[i].addr[5]++;
8ca151b5
JB		 536 hw->wiphy->n_addresses++;
537 }
538
fe0f2de3
IP		 539 iwl_mvm_reset_phy_ctxts(mvm);
540
999d2568 541 hw->wiphy->max_scan_ie_len = iwl_mvm_max_scan_ie_len(mvm);
20f1a5de 542
8ca151b5
JB		 543 hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX;
544
c7d42480 545 BUILD_BUG_ON(IWL_MVM_SCAN_STOPPING_MASK & IWL_MVM_SCAN_MASK);
507e4cda
LC		 546 BUILD_BUG_ON(IWL_MVM_MAX_UMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK) ||
547 IWL_MVM_MAX_LMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK));
548
859d914c 549 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN))
507e4cda
LC		 550 mvm->max_scans = IWL_MVM_MAX_UMAC_SCANS;
551 else
552 mvm->max_scans = IWL_MVM_MAX_LMAC_SCANS;
553
57fbcce3
JB		 554 if (mvm->nvm_data->bands[NL80211_BAND_2GHZ].n_channels)
555 hw->wiphy->bands[NL80211_BAND_2GHZ] =
556 &mvm->nvm_data->bands[NL80211_BAND_2GHZ];
557 if (mvm->nvm_data->bands[NL80211_BAND_5GHZ].n_channels) {
558 hw->wiphy->bands[NL80211_BAND_5GHZ] =
559 &mvm->nvm_data->bands[NL80211_BAND_5GHZ];
8ca151b5 560
859d914c
JB		 561 if (fw_has_capa(&mvm->fw->ucode_capa,
562 IWL_UCODE_TLV_CAPA_BEAMFORMER) &&
563 fw_has_api(&mvm->fw->ucode_capa,
564 IWL_UCODE_TLV_API_LQ_SS_PARAMS))
57fbcce3 565 hw->wiphy->bands[NL80211_BAND_5GHZ]->vht_cap.cap |=
3d44eebf
ES		 566 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE;
567 }
eae94cf8
LC		 568 if (fw_has_capa(&mvm->fw->ucode_capa,
569 IWL_UCODE_TLV_CAPA_PSC_CHAN_SUPPORT) &&
570 mvm->nvm_data->bands[NL80211_BAND_6GHZ].n_channels)
571 hw->wiphy->bands[NL80211_BAND_6GHZ] =
572 &mvm->nvm_data->bands[NL80211_BAND_6GHZ];
3d44eebf 573
8ca151b5
JB		 574 hw->wiphy->hw_version = mvm->trans->hw_id;
575
ade50652 576 if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM)
8ca151b5
JB		 577 hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT;
578 else
579 hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
580
ca986ad9 581 hw->wiphy->max_sched_scan_reqs = 1;
9954b37c 582 hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX;
5d1234ba 583 hw->wiphy->max_match_sets = iwl_umac_scan_get_max_profiles(mvm->fw);
9954b37c
EG		 584 /* we create the 802.11 header and zero length SSID IE. */
585 hw->wiphy->max_sched_scan_ie_len =
586 SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2;
cd55ccea
AS		 587 hw->wiphy->max_sched_scan_plans = IWL_MAX_SCHED_SCAN_PLANS;
588 hw->wiphy->max_sched_scan_plan_interval = U16_MAX;
589
590 /*
591 * the firmware uses u8 for num of iterations, but 0xff is saved for
592 * infinite loop, so the maximum number of iterations is actually 254.
593 */
594 hw->wiphy->max_sched_scan_plan_iterations = 254;
35a000b7 595
8ca151b5 596 hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN |
ab480030 597 NL80211_FEATURE_LOW_PRIORITY_SCAN |
0d8614b4 598 NL80211_FEATURE_P2P_GO_OPPPS |
a904a08b 599 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE |
0d8614b4 600 NL80211_FEATURE_DYNAMIC_SMPS |
9b5452fd
EG		 601 NL80211_FEATURE_STATIC_SMPS |
602 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION;
8ca151b5 603
859d914c
JB		 604 if (fw_has_capa(&mvm->fw->ucode_capa,
605 IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT))
f1daa00e 606 hw->wiphy->features |= NL80211_FEATURE_TX_POWER_INSERTION;
859d914c
JB		 607 if (fw_has_capa(&mvm->fw->ucode_capa,
608 IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT))
226bcd48 609 hw->wiphy->features |= NL80211_FEATURE_QUIET;
f1daa00e 610
859d914c
JB		 611 if (fw_has_capa(&mvm->fw->ucode_capa,
612 IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT))
73897bd1
AO		 613 hw->wiphy->features |=
614 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES;
615
859d914c
JB		 616 if (fw_has_capa(&mvm->fw->ucode_capa,
617 IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT))
73897bd1
AO		 618 hw->wiphy->features |= NL80211_FEATURE_WFA_TPC_IE_IN_PROBES;
619
2a42aea7
NE		 620 if (iwl_fw_lookup_cmd_ver(mvm->fw, IWL_ALWAYS_LONG_GROUP,
621 WOWLAN_KEK_KCK_MATERIAL,
622 IWL_FW_CMD_VER_UNKNOWN) == 3)
623 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK;
624
aacf8f18
AS		 625 if (fw_has_api(&mvm->fw->ucode_capa,
626 IWL_UCODE_TLV_API_SCAN_TSF_REPORT)) {
627 wiphy_ext_feature_set(hw->wiphy,
628 NL80211_EXT_FEATURE_SCAN_START_TIME);
629 wiphy_ext_feature_set(hw->wiphy,
630 NL80211_EXT_FEATURE_BSS_PARENT_TSF);
aacf8f18
AS		 631 }
632
8f691af9
ZR		 633 if (iwl_mvm_is_oce_supported(mvm)) {
634 wiphy_ext_feature_set(hw->wiphy,
635 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP);
636 wiphy_ext_feature_set(hw->wiphy,
637 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME);
638 wiphy_ext_feature_set(hw->wiphy,
639 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION);
640 wiphy_ext_feature_set(hw->wiphy,
641 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE);
642 }
643
7360f99e
EG		 644 if (mvm->nvm_data->sku_cap_11ax_enable &&
645 !iwlwifi_mod_params.disable_11ax) {
646 hw->wiphy->iftype_ext_capab = he_iftypes_ext_capa;
647 hw->wiphy->num_iftype_ext_capab =
648 ARRAY_SIZE(he_iftypes_ext_capa);
918cbf39
SS		 649
650 ieee80211_hw_set(hw, SUPPORTS_MULTI_BSSID);
651 ieee80211_hw_set(hw, SUPPORTS_ONLY_HE_MULTI_BSSID);
7360f99e
EG		 652 }
653
8ca151b5
JB		 654 mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
655
656#ifdef CONFIG_PM_SLEEP
3f37c229 657 if ((unified || mvm->fw->img[IWL_UCODE_WOWLAN].num_sec) &&
8ca151b5
JB		 658 mvm->trans->ops->d3_suspend &&
659 mvm->trans->ops->d3_resume &&
660 device_can_wakeup(mvm->trans->dev)) {
91742449
EP		 661 mvm->wowlan.flags |= WIPHY_WOWLAN_MAGIC_PKT |
662 WIPHY_WOWLAN_DISCONNECT |
663 WIPHY_WOWLAN_EAP_IDENTITY_REQ |
664 WIPHY_WOWLAN_RFKILL_RELEASE |
665 WIPHY_WOWLAN_NET_DETECT;
f4bfdc5e
EG		 666 mvm->wowlan.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
667 WIPHY_WOWLAN_GTK_REKEY_FAILURE |
668 WIPHY_WOWLAN_4WAY_HANDSHAKE;
964dc9e2
JB		 669
670 mvm->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS;
671 mvm->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN;
672 mvm->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN;
5d1234ba
TM		 673 mvm->wowlan.max_nd_match_sets =
674 iwl_umac_scan_get_max_profiles(mvm->fw);
964dc9e2 675 hw->wiphy->wowlan = &mvm->wowlan;
8ca151b5
JB		 676 }
677#endif
678
77736923
EP		 679#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
680 /* assign default bcast filtering configuration */
681 mvm->bcast_filters = iwl_mvm_default_bcast_filters;
682#endif
683
8ca151b5
JB		 684 ret = iwl_mvm_leds_init(mvm);
685 if (ret)
686 return ret;
687
859d914c
JB		 688 if (fw_has_capa(&mvm->fw->ucode_capa,
689 IWL_UCODE_TLV_CAPA_TDLS_SUPPORT)) {
d8f1c515
AN		 690 IWL_DEBUG_TDLS(mvm, "TDLS supported\n");
691 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS;
7c4f0843 692 ieee80211_hw_set(hw, TDLS_WIDER_BW);
d8f1c515
AN		 693 }
694
859d914c
JB		 695 if (fw_has_capa(&mvm->fw->ucode_capa,
696 IWL_UCODE_TLV_CAPA_TDLS_CHANNEL_SWITCH)) {
1d3c3f63
AN		 697 IWL_DEBUG_TDLS(mvm, "TDLS channel switch supported\n");
698 hw->wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH;
699 }
700
93190fb0 701 hw->netdev_features |= mvm->cfg->features;
59fa61f3 702 if (!iwl_mvm_is_csum_supported(mvm))
5e6a98dc
SS		 703 hw->netdev_features &= ~(IWL_TX_CSUM_NETIF_FLAGS |
704 NETIF_F_RXCSUM);
41837ca9 705
91b08c2d
AE		 706 if (mvm->cfg->vht_mu_mimo_supported)
707 wiphy_ext_feature_set(hw->wiphy,
708 NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER);
709
9c11d8a9
ST		 710 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_PROTECTED_TWT))
711 wiphy_ext_feature_set(hw->wiphy,
712 NL80211_EXT_FEATURE_PROTECTED_TWT);
713
e8503aec
BG		 714 hw->wiphy->available_antennas_tx = iwl_mvm_get_valid_tx_ant(mvm);
715 hw->wiphy->available_antennas_rx = iwl_mvm_get_valid_rx_ant(mvm);
716
de645e89
JB		 717 ret = ieee80211_register_hw(mvm->hw);
718 if (ret) {
719 iwl_mvm_leds_exit(mvm);
de645e89
JB		 720 }
721
b7327d89 722 return ret;
8ca151b5
JB		 723}
724
df2378ab
JB		 725static void iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
726 struct ieee80211_sta *sta)
727{
728 if (likely(sta)) {
729 if (likely(iwl_mvm_tx_skb_sta(mvm, skb, sta) == 0))
730 return;
731 } else {
732 if (likely(iwl_mvm_tx_skb_non_sta(mvm, skb) == 0))
733 return;
734 }
735
736 ieee80211_free_txskb(mvm->hw, skb);
737}
738
8ca151b5
JB		 739static void iwl_mvm_mac_tx(struct ieee80211_hw *hw,
740 struct ieee80211_tx_control *control,
741 struct sk_buff *skb)
742{
743 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3e56eadf
JB		 744 struct ieee80211_sta *sta = control->sta;
745 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
746 struct ieee80211_hdr *hdr = (void *)skb->data;
cfbc6c4c
SS		 747 bool offchannel = IEEE80211_SKB_CB(skb)->flags &
748 IEEE80211_TX_CTL_TX_OFFCHAN;
8ca151b5 749
9ee718aa
EL		 750 if (iwl_mvm_is_radio_killed(mvm)) {
751 IWL_DEBUG_DROP(mvm, "Dropping - RF/CT KILL\n");
8ca151b5
JB		 752 goto drop;
753 }
754
cfbc6c4c 755 if (offchannel &&
a6cc5163
MG		 756 !test_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status) &&
757 !test_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status))
8ca151b5
JB		 758 goto drop;
759
eb045e6e
DS		 760 /* treat non-bufferable MMPDUs on AP interfaces as broadcast */
761 if ((info->control.vif->type == NL80211_IFTYPE_AP ||
762 info->control.vif->type == NL80211_IFTYPE_ADHOC) &&
763 ieee80211_is_mgmt(hdr->frame_control) &&
764 !ieee80211_is_bufferable_mmpdu(hdr->frame_control))
3e56eadf
JB		 765 sta = NULL;
766
dc1aca22 767 /* If there is no sta, and it's not offchannel - send through AP */
cfbc6c4c
SS		 768 if (!sta && info->control.vif->type == NL80211_IFTYPE_STATION &&
769 !offchannel) {
dc1aca22
AO		 770 struct iwl_mvm_vif *mvmvif =
771 iwl_mvm_vif_from_mac80211(info->control.vif);
772 u8 ap_sta_id = READ_ONCE(mvmvif->ap_sta_id);
773
be9ae34e 774 if (ap_sta_id < mvm->fw->ucode_capa.num_stations) {
dc1aca22
AO		 775 /* mac80211 holds rcu read lock */
776 sta = rcu_dereference(mvm->fw_id_to_mac_id[ap_sta_id]);
777 if (IS_ERR_OR_NULL(sta))
778 goto drop;
779 }
780 }
781
df2378ab 782 iwl_mvm_tx_skb(mvm, skb, sta);
8ca151b5
JB		 783 return;
784 drop:
785 ieee80211_free_txskb(hw, skb);
786}
787
cfbc6c4c 788void iwl_mvm_mac_itxq_xmit(struct ieee80211_hw *hw, struct ieee80211_txq *txq)
205e2210 789{
cfbc6c4c
SS		 790 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
791 struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq);
792 struct sk_buff *skb = NULL;
793
fba8248e
SS		 794 /*
795 * No need for threads to be pending here, they can leave the first
796 * taker all the work.
797 *
798 * mvmtxq->tx_request logic:
799 *
800 * If 0, no one is currently TXing, set to 1 to indicate current thread
801 * will now start TX and other threads should quit.
802 *
803 * If 1, another thread is currently TXing, set to 2 to indicate to
804 * that thread that there was another request. Since that request may
805 * have raced with the check whether the queue is empty, the TXing
806 * thread should check the queue's status one more time before leaving.
807 * This check is done in order to not leave any TX hanging in the queue
808 * until the next TX invocation (which may not even happen).
809 *
810 * If 2, another thread is currently TXing, and it will already double
811 * check the queue, so do nothing.
812 */
813 if (atomic_fetch_add_unless(&mvmtxq->tx_request, 1, 2))
814 return;
cfbc6c4c
SS		 815
816 rcu_read_lock();
fba8248e
SS		 817 do {
818 while (likely(!mvmtxq->stopped &&
00520b7a 819 !test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status))) {
fba8248e
SS		 820 skb = ieee80211_tx_dequeue(hw, txq);
821
f50d693b
SS		 822 if (!skb) {
823 if (txq->sta)
824 IWL_DEBUG_TX(mvm,
825 "TXQ of sta %pM tid %d is now empty\n",
826 txq->sta->addr,
827 txq->tid);
fba8248e 828 break;
f50d693b 829 }
fba8248e 830
df2378ab 831 iwl_mvm_tx_skb(mvm, skb, txq->sta);
fba8248e
SS		 832 }
833 } while (atomic_dec_return(&mvmtxq->tx_request));
cfbc6c4c 834 rcu_read_unlock();
205e2210
EG		 835}
836
cfbc6c4c
SS		 837static void iwl_mvm_mac_wake_tx_queue(struct ieee80211_hw *hw,
838 struct ieee80211_txq *txq)
205e2210 839{
cfbc6c4c
SS		 840 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
841 struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq);
205e2210 842
cfbc6c4c
SS		 843 /*
844 * Please note that racing is handled very carefully here:
845 * mvmtxq->txq_id is updated during allocation, and mvmtxq->list is
846 * deleted afterwards.
847 * This means that if:
848 * mvmtxq->txq_id != INVALID_QUEUE && list_empty(&mvmtxq->list):
849 * queue is allocated and we can TX.
850 * mvmtxq->txq_id != INVALID_QUEUE && !list_empty(&mvmtxq->list):
851 * a race, should defer the frame.
852 * mvmtxq->txq_id == INVALID_QUEUE && list_empty(&mvmtxq->list):
853 * need to allocate the queue and defer the frame.
854 * mvmtxq->txq_id == INVALID_QUEUE && !list_empty(&mvmtxq->list):
855 * queue is already scheduled for allocation, no need to allocate,
856 * should defer the frame.
857 */
858
859 /* If the queue is allocated TX and return. */
860 if (!txq->sta || mvmtxq->txq_id != IWL_MVM_INVALID_QUEUE) {
861 /*
862 * Check that list is empty to avoid a race where txq_id is
863 * already updated, but the queue allocation work wasn't
864 * finished
865 */
866 if (unlikely(txq->sta && !list_empty(&mvmtxq->list)))
867 return;
868
869 iwl_mvm_mac_itxq_xmit(hw, txq);
870 return;
871 }
872
873 /* The list is being deleted only after the queue is fully allocated. */
874 if (!list_empty(&mvmtxq->list))
875 return;
876
877 list_add_tail(&mvmtxq->list, &mvm->add_stream_txqs);
878 schedule_work(&mvm->add_stream_wk);
205e2210
EG		 879}
880
7174beb6
JB		 881#define CHECK_BA_TRIGGER(_mvm, _trig, _tid_bm, _tid, _fmt...) \
882 do { \
883 if (!(le16_to_cpu(_tid_bm) & BIT(_tid))) \
884 break; \
885 iwl_fw_dbg_collect_trig(&(_mvm)->fwrt, _trig, _fmt); \
4203263d
EG		 886 } while (0)
887
888static void
889iwl_mvm_ampdu_check_trigger(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
890 struct ieee80211_sta *sta, u16 tid, u16 rx_ba_ssn,
891 enum ieee80211_ampdu_mlme_action action)
892{
893 struct iwl_fw_dbg_trigger_tlv *trig;
894 struct iwl_fw_dbg_trigger_ba *ba_trig;
895
6c042d75
SS		 896 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif),
897 FW_DBG_TRIGGER_BA);
898 if (!trig)
4203263d
EG		 899 return;
900
4203263d
EG		 901 ba_trig = (void *)trig->data;
902
4203263d
EG		 903 switch (action) {
904 case IEEE80211_AMPDU_TX_OPERATIONAL: {
905 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
906 struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid];
907
908 CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_start, tid,
909 "TX AGG START: MAC %pM tid %d ssn %d\n",
910 sta->addr, tid, tid_data->ssn);
911 break;
912 }
913 case IEEE80211_AMPDU_TX_STOP_CONT:
914 CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_stop, tid,
915 "TX AGG STOP: MAC %pM tid %d\n",
916 sta->addr, tid);
917 break;
918 case IEEE80211_AMPDU_RX_START:
919 CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_start, tid,
920 "RX AGG START: MAC %pM tid %d ssn %d\n",
921 sta->addr, tid, rx_ba_ssn);
922 break;
923 case IEEE80211_AMPDU_RX_STOP:
924 CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_stop, tid,
925 "RX AGG STOP: MAC %pM tid %d\n",
926 sta->addr, tid);
927 break;
928 default:
929 break;
930 }
931}
932
8ca151b5
JB		 933static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw,
934 struct ieee80211_vif *vif,
50ea05ef 935 struct ieee80211_ampdu_params *params)
8ca151b5
JB		 936{
937 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
938 int ret;
50ea05ef
SS		 939 struct ieee80211_sta *sta = params->sta;
940 enum ieee80211_ampdu_mlme_action action = params->action;
941 u16 tid = params->tid;
942 u16 *ssn = &params->ssn;
514c3069 943 u16 buf_size = params->buf_size;
bb81bb68 944 bool amsdu = params->amsdu;
10b2b201 945 u16 timeout = params->timeout;
8ca151b5
JB		 946
947 IWL_DEBUG_HT(mvm, "A-MPDU action on addr %pM tid %d: action %d\n",
948 sta->addr, tid, action);
949
950 if (!(mvm->nvm_data->sku_cap_11n_enable))
951 return -EACCES;
952
953 mutex_lock(&mvm->mutex);
954
955 switch (action) {
956 case IEEE80211_AMPDU_RX_START:
b0ffe455
JB		 957 if (iwl_mvm_vif_from_mac80211(vif)->ap_sta_id ==
958 iwl_mvm_sta_from_mac80211(sta)->sta_id) {
959 struct iwl_mvm_vif *mvmvif;
960 u16 macid = iwl_mvm_vif_from_mac80211(vif)->id;
961 struct iwl_mvm_tcm_mac *mdata = &mvm->tcm.data[macid];
962
963 mdata->opened_rx_ba_sessions = true;
964 mvmvif = iwl_mvm_vif_from_mac80211(vif);
965 cancel_delayed_work(&mvmvif->uapsd_nonagg_detected_wk);
966 }
e78da25e 967 if (!iwl_enable_rx_ampdu()) {
8ca151b5
JB		 968 ret = -EINVAL;
969 break;
970 }
10b2b201
SS		 971 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true, buf_size,
972 timeout);
8ca151b5
JB		 973 break;
974 case IEEE80211_AMPDU_RX_STOP:
10b2b201
SS		 975 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false, buf_size,
976 timeout);
8ca151b5
JB		 977 break;
978 case IEEE80211_AMPDU_TX_START:
e78da25e 979 if (!iwl_enable_tx_ampdu()) {
5d158efa
EG		 980 ret = -EINVAL;
981 break;
982 }
8ca151b5
JB		 983 ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn);
984 break;
985 case IEEE80211_AMPDU_TX_STOP_CONT:
e3d9e7ce
EG		 986 ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid);
987 break;
8ca151b5
JB		 988 case IEEE80211_AMPDU_TX_STOP_FLUSH:
989 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
e3d9e7ce 990 ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid);
8ca151b5
JB		 991 break;
992 case IEEE80211_AMPDU_TX_OPERATIONAL:
bb81bb68
EG		 993 ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid,
994 buf_size, amsdu);
8ca151b5
JB		 995 break;
996 default:
997 WARN_ON_ONCE(1);
998 ret = -EINVAL;
999 break;
1000 }
4203263d
EG		 1001
1002 if (!ret) {
1003 u16 rx_ba_ssn = 0;
1004
1005 if (action == IEEE80211_AMPDU_RX_START)
1006 rx_ba_ssn = *ssn;
1007
1008 iwl_mvm_ampdu_check_trigger(mvm, vif, sta, tid,
1009 rx_ba_ssn, action);
1010 }
8ca151b5
JB		 1011 mutex_unlock(&mvm->mutex);
1012
1013 return ret;
1014}
1015
1016static void iwl_mvm_cleanup_iterator(void *data, u8 *mac,
1017 struct ieee80211_vif *vif)
1018{
1019 struct iwl_mvm *mvm = data;
1020 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1021
1022 mvmvif->uploaded = false;
0ae98812 1023 mvmvif->ap_sta_id = IWL_MVM_INVALID_STA;
8ca151b5 1024
8ca151b5
JB		 1025 spin_lock_bh(&mvm->time_event_lock);
1026 iwl_mvm_te_clear_data(mvm, &mvmvif->time_event_data);
1027 spin_unlock_bh(&mvm->time_event_lock);
1028
fe0f2de3 1029 mvmvif->phy_ctxt = NULL;
8a275bad 1030 memset(&mvmvif->bf_data, 0, sizeof(mvmvif->bf_data));
86e177d8 1031 memset(&mvmvif->probe_resp_data, 0, sizeof(mvmvif->probe_resp_data));
8ca151b5
JB		 1032}
1033
1034static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm)
1035{
fcb6b92a 1036 iwl_mvm_stop_device(mvm);
8ca151b5 1037
9bf13bee
JB		 1038 mvm->cur_aid = 0;
1039
9af91f46 1040 mvm->scan_status = 0;
b1873300 1041 mvm->ps_disabled = false;
b3500b47 1042 mvm->rfkill_safe_init_done = false;
8ca151b5
JB		 1043
1044 /* just in case one was running */
305d236e 1045 iwl_mvm_cleanup_roc_te(mvm);
8ca151b5
JB		 1046 ieee80211_remain_on_channel_expired(mvm->hw);
1047
fc36ffda
JB		 1048 iwl_mvm_ftm_restart(mvm);
1049
737719fe
AN		 1050 /*
1051 * cleanup all interfaces, even inactive ones, as some might have
1052 * gone down during the HW restart
1053 */
1054 ieee80211_iterate_interfaces(mvm->hw, 0, iwl_mvm_cleanup_iterator, mvm);
8ca151b5 1055
fe0f2de3
IP		 1056 mvm->p2p_device_vif = NULL;
1057
1058 iwl_mvm_reset_phy_ctxts(mvm);
9c3deeb5 1059 memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table));
8a275bad 1060 memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif));
8a275bad 1061 memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd));
8ca151b5
JB		 1062
1063 ieee80211_wake_queues(mvm->hw);
1064
1065 mvm->vif_count = 0;
113a0447 1066 mvm->rx_ba_sessions = 0;
7174beb6 1067 mvm->fwrt.dump.conf = FW_DBG_INVALID;
baf41bc3 1068 mvm->monitor_on = false;
91a8bcde
JB		 1069
1070 /* keep statistics ticking */
1071 iwl_mvm_accu_radio_stats(mvm);
8ca151b5
JB		 1072}
1073
a0a09243 1074int __iwl_mvm_mac_start(struct iwl_mvm *mvm)
8ca151b5 1075{
8ca151b5
JB		 1076 int ret;
1077
a0a09243 1078 lockdep_assert_held(&mvm->mutex);
8ca151b5 1079
bf8b286f
JB		 1080 if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status)) {
1081 /*
1082 * Now convert the HW_RESTART_REQUESTED flag to IN_HW_RESTART
1083 * so later code will - from now on - see that we're doing it.
1084 */
1085 set_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
1086 clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status);
a42b2af3 1087 /* Clean up some internal and mac80211 state on restart */
8ca151b5 1088 iwl_mvm_restart_cleanup(mvm);
a42b2af3 1089 }
8ca151b5 1090 ret = iwl_mvm_up(mvm);
c47af22a 1091
b108d8c7
SM		 1092 iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_POST_INIT,
1093 NULL);
1094 iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_PERIODIC,
1095 NULL);
da2eb669 1096
c47af22a
JB		 1097 if (ret && test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
1098 /* Something went wrong - we need to finish some cleanup
1099 * that normally iwl_mvm_mac_restart_complete() below
1100 * would do.
1101 */
1102 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
c47af22a
JB		 1103 }
1104
a0a09243
LC		 1105 return ret;
1106}
1107
1108static int iwl_mvm_mac_start(struct ieee80211_hw *hw)
1109{
1110 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1111 int ret;
1112
1113 mutex_lock(&mvm->mutex);
1114 ret = __iwl_mvm_mac_start(mvm);
8ca151b5
JB		 1115 mutex_unlock(&mvm->mutex);
1116
1117 return ret;
1118}
1119
cf2c92d8 1120static void iwl_mvm_restart_complete(struct iwl_mvm *mvm)
8ca151b5 1121{
8ca151b5
JB		 1122 int ret;
1123
1124 mutex_lock(&mvm->mutex);
1125
1126 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
4d4183c4 1127
e7afe89f 1128 ret = iwl_mvm_update_quotas(mvm, true, NULL);
8ca151b5
JB		 1129 if (ret)
1130 IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n",
1131 ret);
1132
f130bb75
MG		 1133 iwl_mvm_send_recovery_cmd(mvm, ERROR_RECOVERY_END_OF_RECOVERY);
1134
cbd2ae2d
AN		 1135 /*
1136 * If we have TDLS peers, remove them. We don't know the last seqno/PN
1137 * of packets the FW sent out, so we must reconnect.
1138 */
1139 iwl_mvm_teardown_tdls_peers(mvm);
1140
8ca151b5
JB		 1141 mutex_unlock(&mvm->mutex);
1142}
1143
cf2c92d8
EP		 1144static void
1145iwl_mvm_mac_reconfig_complete(struct ieee80211_hw *hw,
1146 enum ieee80211_reconfig_type reconfig_type)
1147{
1148 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1149
1150 switch (reconfig_type) {
1151 case IEEE80211_RECONFIG_TYPE_RESTART:
1152 iwl_mvm_restart_complete(mvm);
1153 break;
1154 case IEEE80211_RECONFIG_TYPE_SUSPEND:
1155 break;
1156 }
1157}
1158
a0a09243 1159void __iwl_mvm_mac_stop(struct iwl_mvm *mvm)
8ca151b5 1160{
a0a09243 1161 lockdep_assert_held(&mvm->mutex);
7498cf4c 1162
b68bd2e3
IP		 1163 iwl_mvm_ftm_initiator_smooth_stop(mvm);
1164
91a8bcde
JB		 1165 /* firmware counters are obviously reset now, but we shouldn't
1166 * partially track so also clear the fw_reset_accu counters.
1167 */
1168 memset(&mvm->accu_radio_stats, 0, sizeof(mvm->accu_radio_stats));
1169
8ca151b5
JB		 1170 /* async_handlers_wk is now blocked */
1171
2c2c3647
NE		 1172 if (iwl_fw_lookup_cmd_ver(mvm->fw, LONG_GROUP, ADD_STA, 0) < 12)
1173 iwl_mvm_rm_aux_sta(mvm);
f327236d 1174
fcb6b92a 1175 iwl_mvm_stop_device(mvm);
8ca151b5
JB		 1176
1177 iwl_mvm_async_handlers_purge(mvm);
1178 /* async_handlers_list is empty and will stay empty: HW is stopped */
1179
0a79a0c0 1180 /*
155f7e04
EG		 1181 * Clear IN_HW_RESTART and HW_RESTART_REQUESTED flag when stopping the
1182 * hw (as restart_complete() won't be called in this case) and mac80211
1183 * won't execute the restart.
8b2b9fbf
AN		 1184 * But make sure to cleanup interfaces that have gone down before/during
1185 * HW restart was requested.
0a79a0c0 1186 */
155f7e04
EG		 1187 if (test_and_clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) ||
1188 test_and_clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED,
1189 &mvm->status))
8b2b9fbf
AN		 1190 ieee80211_iterate_interfaces(mvm->hw, 0,
1191 iwl_mvm_cleanup_iterator, mvm);
0a79a0c0 1192
963221be
AB		 1193 /* We shouldn't have any UIDs still set. Loop over all the UIDs to
1194 * make sure there's nothing left there and warn if any is found.
1195 */
859d914c 1196 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) {
963221be
AB		 1197 int i;
1198
507e4cda 1199 for (i = 0; i < mvm->max_scans; i++) {
6185af2a
LC		 1200 if (WARN_ONCE(mvm->scan_uid_status[i],
1201 "UMAC scan UID %d status was not cleaned\n",
1202 i))
1203 mvm->scan_uid_status[i] = 0;
963221be
AB		 1204 }
1205 }
a0a09243 1206}
bc44886d 1207
a0a09243
LC		 1208static void iwl_mvm_mac_stop(struct ieee80211_hw *hw)
1209{
1210 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1211
a0a09243 1212 flush_work(&mvm->async_handlers_wk);
24afba76 1213 flush_work(&mvm->add_stream_wk);
771147b0
JB		 1214
1215 /*
1216 * Lock and clear the firmware running bit here already, so that
1217 * new commands coming in elsewhere, e.g. from debugfs, will not
1218 * be able to proceed. This is important here because one of those
7174beb6 1219 * debugfs files causes the firmware dump to be triggered, and if we
771147b0
JB		 1220 * don't stop debugfs accesses before canceling that it could be
1221 * retriggered after we flush it but before we've cleared the bit.
1222 */
1223 clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
1224
d3a108a4 1225 cancel_delayed_work_sync(&mvm->cs_tx_unblock_dwork);
69e04642 1226 cancel_delayed_work_sync(&mvm->scan_timeout_dwork);
a0a09243 1227
f9084775
NE		 1228 /*
1229 * The work item could be running or queued if the
1230 * ROC time event stops just as we get here.
1231 */
1232 flush_work(&mvm->roc_done_wk);
1233
a0a09243
LC		 1234 mutex_lock(&mvm->mutex);
1235 __iwl_mvm_mac_stop(mvm);
8ca151b5
JB		 1236 mutex_unlock(&mvm->mutex);
1237
1238 /*
1239 * The worker might have been waiting for the mutex, let it run and
1240 * discover that its list is now empty.
1241 */
1242 cancel_work_sync(&mvm->async_handlers_wk);
1243}
1244
fe0f2de3
IP		 1245static struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm)
1246{
1247 u16 i;
1248
1249 lockdep_assert_held(&mvm->mutex);
1250
1251 for (i = 0; i < NUM_PHY_CTX; i++)
1252 if (!mvm->phy_ctxts[i].ref)
1253 return &mvm->phy_ctxts[i];
1254
1255 IWL_ERR(mvm, "No available PHY context\n");
1256 return NULL;
1257}
1258
d44c3fe6
AA		 1259static int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1260 s16 tx_power)
1261{
0791c2fc 1262 int len;
216cdfb5
LC		 1263 struct iwl_dev_tx_power_cmd cmd = {
1264 .common.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_MAC),
1265 .common.mac_context_id =
d44c3fe6 1266 cpu_to_le32(iwl_mvm_vif_from_mac80211(vif)->id),
216cdfb5 1267 .common.pwr_restriction = cpu_to_le16(8 * tx_power),
d44c3fe6 1268 };
fbb7957d 1269 u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, LONG_GROUP,
e80bfd11
MG		 1270 REDUCE_TX_POWER_CMD,
1271 IWL_FW_CMD_VER_UNKNOWN);
d44c3fe6 1272
d44c3fe6 1273 if (tx_power == IWL_DEFAULT_MAX_TX_POWER)
216cdfb5 1274 cmd.common.pwr_restriction = cpu_to_le16(IWL_DEV_MAX_TX_POWER);
d44c3fe6 1275
fbb7957d
LC		 1276 if (cmd_ver == 6)
1277 len = sizeof(cmd.v6);
1278 else if (fw_has_api(&mvm->fw->ucode_capa,
1279 IWL_UCODE_TLV_API_REDUCE_TX_POWER))
0791c2fc
HD		 1280 len = sizeof(cmd.v5);
1281 else if (fw_has_capa(&mvm->fw->ucode_capa,
1282 IWL_UCODE_TLV_CAPA_TX_POWER_ACK))
1283 len = sizeof(cmd.v4);
1284 else
216cdfb5
LC		 1285 len = sizeof(cmd.v3);
1286
1287 /* all structs have the same common part, add it */
1288 len += sizeof(cmd.common);
da03f029
JB		 1289
1290 return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd);
d44c3fe6
AA		 1291}
1292
f6780614
SS		 1293static int iwl_mvm_post_channel_switch(struct ieee80211_hw *hw,
1294 struct ieee80211_vif *vif)
1295{
1296 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1297 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1298 int ret;
1299
1300 mutex_lock(&mvm->mutex);
1301
f6780614
SS		 1302 if (vif->type == NL80211_IFTYPE_STATION) {
1303 struct iwl_mvm_sta *mvmsta;
1304
1305 mvmvif->csa_bcn_pending = false;
1306 mvmsta = iwl_mvm_sta_from_staid_protected(mvm,
1307 mvmvif->ap_sta_id);
1308
1309 if (WARN_ON(!mvmsta)) {
1310 ret = -EIO;
1311 goto out_unlock;
1312 }
1313
df720373 1314 iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false);
f6780614
SS		 1315
1316 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
1317
0202bcf0
EG		 1318 if (!fw_has_capa(&mvm->fw->ucode_capa,
1319 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) {
1320 ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0);
1321 if (ret)
1322 goto out_unlock;
f6780614 1323
0202bcf0
EG		 1324 iwl_mvm_stop_session_protection(mvm, vif);
1325 }
f6780614
SS		 1326 }
1327
1328 mvmvif->ps_disabled = false;
1329
1330 ret = iwl_mvm_power_update_ps(mvm);
1331
1332out_unlock:
caf46377
SS		 1333 if (mvmvif->csa_failed)
1334 ret = -EIO;
f6780614
SS		 1335 mutex_unlock(&mvm->mutex);
1336
1337 return ret;
1338}
1339
1340static void iwl_mvm_abort_channel_switch(struct ieee80211_hw *hw,
1341 struct ieee80211_vif *vif)
1342{
1343 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1344 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1345 struct iwl_chan_switch_te_cmd cmd = {
1346 .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id,
1347 mvmvif->color)),
1348 .action = cpu_to_le32(FW_CTXT_ACTION_REMOVE),
1349 };
1350
1351 IWL_DEBUG_MAC80211(mvm, "Abort CSA on mac %d\n", mvmvif->id);
1352
1353 mutex_lock(&mvm->mutex);
58ddd9b6
EG		 1354 if (!fw_has_capa(&mvm->fw->ucode_capa,
1355 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD))
1356 iwl_mvm_remove_csa_period(mvm, vif);
1357 else
1358 WARN_ON(iwl_mvm_send_cmd_pdu(mvm,
1359 WIDE_ID(MAC_CONF_GROUP,
1360 CHANNEL_SWITCH_TIME_EVENT_CMD),
1361 0, sizeof(cmd), &cmd));
caf46377 1362 mvmvif->csa_failed = true;
f6780614
SS		 1363 mutex_unlock(&mvm->mutex);
1364
caf46377 1365 iwl_mvm_post_channel_switch(hw, vif);
f6780614
SS		 1366}
1367
1368static void iwl_mvm_channel_switch_disconnect_wk(struct work_struct *wk)
1369{
1370 struct iwl_mvm *mvm;
1371 struct iwl_mvm_vif *mvmvif;
1372 struct ieee80211_vif *vif;
1373
1374 mvmvif = container_of(wk, struct iwl_mvm_vif, csa_work.work);
1375 vif = container_of((void *)mvmvif, struct ieee80211_vif, drv_priv);
1376 mvm = mvmvif->mvm;
1377
1378 iwl_mvm_abort_channel_switch(mvm->hw, vif);
1379 ieee80211_chswitch_done(vif, false);
1380}
1381
8ca151b5
JB		 1382static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw,
1383 struct ieee80211_vif *vif)
1384{
1385 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1386 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1387 int ret;
1388
aa5e1832 1389 mvmvif->mvm = mvm;
86e177d8 1390 RCU_INIT_POINTER(mvmvif->probe_resp_data, NULL);
aa5e1832 1391
8ca151b5
JB		 1392 /*
1393 * Not much to do here. The stack will not allow interface
1394 * types or combinations that we didn't advertise, so we
1395 * don't really have to check the types.
1396 */
1397
1398 mutex_lock(&mvm->mutex);
1399
33cef925
JB		 1400 /* make sure that beacon statistics don't go backwards with FW reset */
1401 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
1402 mvmvif->beacon_stats.accu_num_beacons +=
1403 mvmvif->beacon_stats.num_beacons;
1404
e89044d7 1405 /* Allocate resources for the MAC context, and add it to the fw */
8ca151b5
JB		 1406 ret = iwl_mvm_mac_ctxt_init(mvm, vif);
1407 if (ret)
1408 goto out_unlock;
1409
698478c4
SS		 1410 rcu_assign_pointer(mvm->vif_id_to_mac[mvmvif->id], vif);
1411
1c2abf72 1412 /* Counting number of interfaces is needed for legacy PM */
ea183d02
IP		 1413 if (vif->type != NL80211_IFTYPE_P2P_DEVICE)
1414 mvm->vif_count++;
ea183d02 1415
8ca151b5
JB		 1416 /*
1417 * The AP binding flow can be done only after the beacon
1418 * template is configured (which happens only in the mac80211
1419 * start_ap() flow), and adding the broadcast station can happen
1420 * only after the binding.
1421 * In addition, since modifying the MAC before adding a bcast
1422 * station is not allowed by the FW, delay the adding of MAC context to
1423 * the point where we can also add the bcast station.
1424 * In short: there's not much we can do at this point, other than
1425 * allocating resources :)
1426 */
5023d966
JB		 1427 if (vif->type == NL80211_IFTYPE_AP ||
1428 vif->type == NL80211_IFTYPE_ADHOC) {
013290aa 1429 ret = iwl_mvm_alloc_bcast_sta(mvm, vif);
8ca151b5
JB		 1430 if (ret) {
1431 IWL_ERR(mvm, "Failed to allocate bcast sta\n");
1432 goto out_release;
1433 }
1434
c8f54701
JB		 1435 /*
1436 * Only queue for this station is the mcast queue,
1437 * which shouldn't be in TFD mask anyway
1438 */
1439 ret = iwl_mvm_allocate_int_sta(mvm, &mvmvif->mcast_sta,
1440 0, vif->type,
1441 IWL_STA_MULTICAST);
1442 if (ret)
1443 goto out_release;
26d6c16b 1444
77740cb4 1445 iwl_mvm_vif_dbgfs_register(mvm, vif);
8ca151b5
JB		 1446 goto out_unlock;
1447 }
1448
93190fb0
AA		 1449 mvmvif->features |= hw->netdev_features;
1450
8ca151b5
JB		 1451 ret = iwl_mvm_mac_ctxt_add(mvm, vif);
1452 if (ret)
1453 goto out_release;
1454
999609f1 1455 ret = iwl_mvm_power_update_mac(mvm);
e5e7aa8e 1456 if (ret)
fd66fc1c 1457 goto out_remove_mac;
8ca151b5 1458
7df15b1e 1459 /* beacon filtering */
a1022927 1460 ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0);
bd3351ba
EP		 1461 if (ret)
1462 goto out_remove_mac;
1463
7df15b1e 1464 if (!mvm->bf_allowed_vif &&
73e5f2c5 1465 vif->type == NL80211_IFTYPE_STATION && !vif->p2p) {
7df15b1e 1466 mvm->bf_allowed_vif = mvmvif;
a20fd398
AO		 1467 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER |
1468 IEEE80211_VIF_SUPPORTS_CQM_RSSI;
7df15b1e
HG		 1469 }
1470
8ca151b5
JB		 1471 /*
1472 * P2P_DEVICE interface does not have a channel context assigned to it,
1473 * so a dedicated PHY context is allocated to it and the corresponding
1474 * MAC context is bound to it at this stage.
1475 */
1476 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
8ca151b5 1477
fe0f2de3
IP		 1478 mvmvif->phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
1479 if (!mvmvif->phy_ctxt) {
1480 ret = -ENOSPC;
bd3351ba 1481 goto out_free_bf;
fe0f2de3 1482 }
8ca151b5 1483
53a9d61e 1484 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
8ca151b5
JB		 1485 ret = iwl_mvm_binding_add_vif(mvm, vif);
1486 if (ret)
53a9d61e 1487 goto out_unref_phy;
8ca151b5 1488
d197358b 1489 ret = iwl_mvm_add_p2p_bcast_sta(mvm, vif);
8ca151b5
JB		 1490 if (ret)
1491 goto out_unbind;
1492
1493 /* Save a pointer to p2p device vif, so it can later be used to
1494 * update the p2p device MAC when a GO is started/stopped */
1495 mvm->p2p_device_vif = vif;
1496 }
1497
b0ffe455 1498 iwl_mvm_tcm_add_vif(mvm, vif);
f6780614
SS		 1499 INIT_DELAYED_WORK(&mvmvif->csa_work,
1500 iwl_mvm_channel_switch_disconnect_wk);
b0ffe455 1501
baf41bc3
ST		 1502 if (vif->type == NL80211_IFTYPE_MONITOR)
1503 mvm->monitor_on = true;
1504
63494374 1505 iwl_mvm_vif_dbgfs_register(mvm, vif);
8ca151b5
JB		 1506 goto out_unlock;
1507
1508 out_unbind:
1509 iwl_mvm_binding_remove_vif(mvm, vif);
53a9d61e 1510 out_unref_phy:
fe0f2de3 1511 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
bd3351ba
EP		 1512 out_free_bf:
1513 if (mvm->bf_allowed_vif == mvmvif) {
1514 mvm->bf_allowed_vif = NULL;
a20fd398
AO		 1515 vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER |
1516 IEEE80211_VIF_SUPPORTS_CQM_RSSI);
bd3351ba 1517 }
8ca151b5
JB		 1518 out_remove_mac:
1519 mvmvif->phy_ctxt = NULL;
1520 iwl_mvm_mac_ctxt_remove(mvm, vif);
1521 out_release:
5ee2b215
AB		 1522 if (vif->type != NL80211_IFTYPE_P2P_DEVICE)
1523 mvm->vif_count--;
8ca151b5
JB		 1524 out_unlock:
1525 mutex_unlock(&mvm->mutex);
1526
1527 return ret;
1528}
1529
38a12b5b
JB		 1530static void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm,
1531 struct ieee80211_vif *vif)
8ca151b5 1532{
8ca151b5
JB		 1533 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
1534 /*
1535 * Flush the ROC worker which will flush the OFFCHANNEL queue.
1536 * We assume here that all the packets sent to the OFFCHANNEL
1537 * queue are sent in ROC session.
1538 */
1539 flush_work(&mvm->roc_done_wk);
8ca151b5 1540 }
38a12b5b
JB		 1541}
1542
1543static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw,
1544 struct ieee80211_vif *vif)
1545{
1546 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1547 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
86e177d8 1548 struct iwl_probe_resp_data *probe_data;
38a12b5b
JB		 1549
1550 iwl_mvm_prepare_mac_removal(mvm, vif);
8ca151b5 1551
b0ffe455
JB		 1552 if (!(vif->type == NL80211_IFTYPE_AP ||
1553 vif->type == NL80211_IFTYPE_ADHOC))
1554 iwl_mvm_tcm_rm_vif(mvm, vif);
1555
8ca151b5
JB		 1556 mutex_lock(&mvm->mutex);
1557
86e177d8
GG		 1558 probe_data = rcu_dereference_protected(mvmvif->probe_resp_data,
1559 lockdep_is_held(&mvm->mutex));
1560 RCU_INIT_POINTER(mvmvif->probe_resp_data, NULL);
1561 if (probe_data)
1562 kfree_rcu(probe_data, rcu_head);
1563
7df15b1e
HG		 1564 if (mvm->bf_allowed_vif == mvmvif) {
1565 mvm->bf_allowed_vif = NULL;
a20fd398
AO		 1566 vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER |
1567 IEEE80211_VIF_SUPPORTS_CQM_RSSI);
7df15b1e
HG		 1568 }
1569
b73f9a4a
JB		 1570 if (vif->bss_conf.ftm_responder)
1571 memset(&mvm->ftm_resp_stats, 0, sizeof(mvm->ftm_resp_stats));
1572
63494374
JB		 1573 iwl_mvm_vif_dbgfs_clean(mvm, vif);
1574
8ca151b5
JB		 1575 /*
1576 * For AP/GO interface, the tear down of the resources allocated to the
38a12b5b 1577 * interface is be handled as part of the stop_ap flow.
8ca151b5 1578 */
5023d966
JB		 1579 if (vif->type == NL80211_IFTYPE_AP ||
1580 vif->type == NL80211_IFTYPE_ADHOC) {
507cadf2
DS		 1581#ifdef CONFIG_NL80211_TESTMODE
1582 if (vif == mvm->noa_vif) {
1583 mvm->noa_vif = NULL;
1584 mvm->noa_duration = 0;
1585 }
1586#endif
26d6c16b 1587 iwl_mvm_dealloc_int_sta(mvm, &mvmvif->mcast_sta);
013290aa 1588 iwl_mvm_dealloc_bcast_sta(mvm, vif);
8ca151b5
JB		 1589 goto out_release;
1590 }
1591
1592 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
1593 mvm->p2p_device_vif = NULL;
d197358b 1594 iwl_mvm_rm_p2p_bcast_sta(mvm, vif);
8ca151b5 1595 iwl_mvm_binding_remove_vif(mvm, vif);
fe0f2de3 1596 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
8ca151b5
JB		 1597 mvmvif->phy_ctxt = NULL;
1598 }
1599
5ee2b215 1600 if (mvm->vif_count && vif->type != NL80211_IFTYPE_P2P_DEVICE)
8ca151b5 1601 mvm->vif_count--;
1c2abf72 1602
999609f1 1603 iwl_mvm_power_update_mac(mvm);
8ca151b5
JB		 1604 iwl_mvm_mac_ctxt_remove(mvm, vif);
1605
698478c4
SS		 1606 RCU_INIT_POINTER(mvm->vif_id_to_mac[mvmvif->id], NULL);
1607
baf41bc3
ST		 1608 if (vif->type == NL80211_IFTYPE_MONITOR)
1609 mvm->monitor_on = false;
1610
8ca151b5 1611out_release:
8ca151b5
JB		 1612 mutex_unlock(&mvm->mutex);
1613}
1614
1615static int iwl_mvm_mac_config(struct ieee80211_hw *hw, u32 changed)
88f2fd73 1616{
8ca151b5
JB		 1617 return 0;
1618}
1619
e59647ea
EP		 1620struct iwl_mvm_mc_iter_data {
1621 struct iwl_mvm *mvm;
1622 int port_id;
1623};
1624
1625static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac,
1626 struct ieee80211_vif *vif)
1627{
1628 struct iwl_mvm_mc_iter_data *data = _data;
1629 struct iwl_mvm *mvm = data->mvm;
1630 struct iwl_mcast_filter_cmd *cmd = mvm->mcast_filter_cmd;
97bce57b
LC		 1631 struct iwl_host_cmd hcmd = {
1632 .id = MCAST_FILTER_CMD,
1633 .flags = CMD_ASYNC,
1634 .dataflags[0] = IWL_HCMD_DFL_NOCOPY,
1635 };
e59647ea
EP		 1636 int ret, len;
1637
1638 /* if we don't have free ports, mcast frames will be dropped */
1639 if (WARN_ON_ONCE(data->port_id >= MAX_PORT_ID_NUM))
1640 return;
1641
1642 if (vif->type != NL80211_IFTYPE_STATION ||
1643 !vif->bss_conf.assoc)
1644 return;
1645
1646 cmd->port_id = data->port_id++;
1647 memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN);
1648 len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4);
1649
97bce57b
LC		 1650 hcmd.len[0] = len;
1651 hcmd.data[0] = cmd;
1652
1653 ret = iwl_mvm_send_cmd(mvm, &hcmd);
e59647ea
EP		 1654 if (ret)
1655 IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret);
1656}
1657
1658static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm)
1659{
1660 struct iwl_mvm_mc_iter_data iter_data = {
1661 .mvm = mvm,
88f2fd73
MG		 1662 };
1663
e59647ea
EP		 1664 lockdep_assert_held(&mvm->mutex);
1665
1666 if (WARN_ON_ONCE(!mvm->mcast_filter_cmd))
1667 return;
1668
1c4abec0 1669 ieee80211_iterate_active_interfaces_atomic(
e59647ea
EP		 1670 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
1671 iwl_mvm_mc_iface_iterator, &iter_data);
88f2fd73
MG		 1672}
1673
e59647ea
EP		 1674static u64 iwl_mvm_prepare_multicast(struct ieee80211_hw *hw,
1675 struct netdev_hw_addr_list *mc_list)
8ca151b5 1676{
e59647ea
EP		 1677 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1678 struct iwl_mcast_filter_cmd *cmd;
1679 struct netdev_hw_addr *addr;
f3bd58f4
MS		 1680 int addr_count;
1681 bool pass_all;
e59647ea
EP		 1682 int len;
1683
f3bd58f4
MS		 1684 addr_count = netdev_hw_addr_list_count(mc_list);
1685 pass_all = addr_count > MAX_MCAST_FILTERING_ADDRESSES ||
1686 IWL_MVM_FW_MCAST_FILTER_PASS_ALL;
1687 if (pass_all)
e59647ea 1688 addr_count = 0;
e59647ea
EP		 1689
1690 len = roundup(sizeof(*cmd) + addr_count * ETH_ALEN, 4);
1691 cmd = kzalloc(len, GFP_ATOMIC);
1692 if (!cmd)
1693 return 0;
1694
1695 if (pass_all) {
1696 cmd->pass_all = 1;
1697 return (u64)(unsigned long)cmd;
1698 }
1699
1700 netdev_hw_addr_list_for_each(addr, mc_list) {
1701 IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %pM\n",
1702 cmd->count, addr->addr);
1703 memcpy(&cmd->addr_list[cmd->count * ETH_ALEN],
1704 addr->addr, ETH_ALEN);
1705 cmd->count++;
1706 }
1707
1708 return (u64)(unsigned long)cmd;
8ca151b5
JB		 1709}
1710
1711static void iwl_mvm_configure_filter(struct ieee80211_hw *hw,
1712 unsigned int changed_flags,
1713 unsigned int *total_flags,
1714 u64 multicast)
1715{
e59647ea
EP		 1716 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1717 struct iwl_mcast_filter_cmd *cmd = (void *)(unsigned long)multicast;
8ca151b5 1718
e59647ea 1719 mutex_lock(&mvm->mutex);
51b6b9e0 1720
e59647ea
EP		 1721 /* replace previous configuration */
1722 kfree(mvm->mcast_filter_cmd);
1723 mvm->mcast_filter_cmd = cmd;
51b6b9e0 1724
e59647ea
EP		 1725 if (!cmd)
1726 goto out;
51b6b9e0 1727
61e7d91b
LC		 1728 if (changed_flags & FIF_ALLMULTI)
1729 cmd->pass_all = !!(*total_flags & FIF_ALLMULTI);
1730
1731 if (cmd->pass_all)
1732 cmd->count = 0;
1733
e59647ea
EP		 1734 iwl_mvm_recalc_multicast(mvm);
1735out:
1736 mutex_unlock(&mvm->mutex);
1737 *total_flags = 0;
51b6b9e0
EG		 1738}
1739
effd1929
AO		 1740static void iwl_mvm_config_iface_filter(struct ieee80211_hw *hw,
1741 struct ieee80211_vif *vif,
1742 unsigned int filter_flags,
1743 unsigned int changed_flags)
1744{
1745 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1746
1747 /* We support only filter for probe requests */
1748 if (!(changed_flags & FIF_PROBE_REQ))
1749 return;
1750
1751 /* Supported only for p2p client interfaces */
1752 if (vif->type != NL80211_IFTYPE_STATION || !vif->bss_conf.assoc ||
1753 !vif->p2p)
1754 return;
1755
1756 mutex_lock(&mvm->mutex);
1757 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
1758 mutex_unlock(&mvm->mutex);
1759}
1760
c87163b9
EP		 1761#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1762struct iwl_bcast_iter_data {
1763 struct iwl_mvm *mvm;
1764 struct iwl_bcast_filter_cmd *cmd;
1765 u8 current_filter;
1766};
1767
1768static void
1769iwl_mvm_set_bcast_filter(struct ieee80211_vif *vif,
1770 const struct iwl_fw_bcast_filter *in_filter,
1771 struct iwl_fw_bcast_filter *out_filter)
1772{
1773 struct iwl_fw_bcast_filter_attr *attr;
1774 int i;
1775
1776 memcpy(out_filter, in_filter, sizeof(*out_filter));
1777
1778 for (i = 0; i < ARRAY_SIZE(out_filter->attrs); i++) {
1779 attr = &out_filter->attrs[i];
1780
1781 if (!attr->mask)
1782 break;
1783
2ee8f021
EP		 1784 switch (attr->reserved1) {
1785 case cpu_to_le16(BC_FILTER_MAGIC_IP):
1786 if (vif->bss_conf.arp_addr_cnt != 1) {
1787 attr->mask = 0;
1788 continue;
1789 }
1790
1791 attr->val = vif->bss_conf.arp_addr_list[0];
1792 break;
1793 case cpu_to_le16(BC_FILTER_MAGIC_MAC):
1794 attr->val = *(__be32 *)&vif->addr[2];
1795 break;
1796 default:
1797 break;
1798 }
1799 attr->reserved1 = 0;
c87163b9
EP		 1800 out_filter->num_attrs++;
1801 }
1802}
1803
1804static void iwl_mvm_bcast_filter_iterator(void *_data, u8 *mac,
1805 struct ieee80211_vif *vif)
1806{
1807 struct iwl_bcast_iter_data *data = _data;
1808 struct iwl_mvm *mvm = data->mvm;
1809 struct iwl_bcast_filter_cmd *cmd = data->cmd;
1810 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1811 struct iwl_fw_bcast_mac *bcast_mac;
1812 int i;
1813
1814 if (WARN_ON(mvmvif->id >= ARRAY_SIZE(cmd->macs)))
1815 return;
1816
1817 bcast_mac = &cmd->macs[mvmvif->id];
1818
e48393e8
IP		 1819 /*
1820 * enable filtering only for associated stations, but not for P2P
1821 * Clients
1822 */
1823 if (vif->type != NL80211_IFTYPE_STATION || vif->p2p ||
1824 !vif->bss_conf.assoc)
c87163b9
EP		 1825 return;
1826
1827 bcast_mac->default_discard = 1;
1828
1829 /* copy all configured filters */
1830 for (i = 0; mvm->bcast_filters[i].attrs[0].mask; i++) {
1831 /*
1832 * Make sure we don't exceed our filters limit.
1833 * if there is still a valid filter to be configured,
1834 * be on the safe side and just allow bcast for this mac.
1835 */
1836 if (WARN_ON_ONCE(data->current_filter >=
1837 ARRAY_SIZE(cmd->filters))) {
1838 bcast_mac->default_discard = 0;
1839 bcast_mac->attached_filters = 0;
1840 break;
1841 }
1842
1843 iwl_mvm_set_bcast_filter(vif,
1844 &mvm->bcast_filters[i],
1845 &cmd->filters[data->current_filter]);
1846
1847 /* skip current filter if it contains no attributes */
1848 if (!cmd->filters[data->current_filter].num_attrs)
1849 continue;
1850
1851 /* attach the filter to current mac */
1852 bcast_mac->attached_filters |=
1853 cpu_to_le16(BIT(data->current_filter));
1854
1855 data->current_filter++;
1856 }
1857}
1858
de06a59e
EP		 1859bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
1860 struct iwl_bcast_filter_cmd *cmd)
c87163b9 1861{
c87163b9
EP		 1862 struct iwl_bcast_iter_data iter_data = {
1863 .mvm = mvm,
de06a59e 1864 .cmd = cmd,
c87163b9
EP		 1865 };
1866
3b8983b1
MS		 1867 if (IWL_MVM_FW_BCAST_FILTER_PASS_ALL)
1868 return false;
1869
de06a59e
EP		 1870 memset(cmd, 0, sizeof(*cmd));
1871 cmd->max_bcast_filters = ARRAY_SIZE(cmd->filters);
1872 cmd->max_macs = ARRAY_SIZE(cmd->macs);
1873
1874#ifdef CONFIG_IWLWIFI_DEBUGFS
1875 /* use debugfs filters/macs if override is configured */
1876 if (mvm->dbgfs_bcast_filtering.override) {
1877 memcpy(cmd->filters, &mvm->dbgfs_bcast_filtering.cmd.filters,
1878 sizeof(cmd->filters));
1879 memcpy(cmd->macs, &mvm->dbgfs_bcast_filtering.cmd.macs,
1880 sizeof(cmd->macs));
1881 return true;
1882 }
1883#endif
c87163b9
EP		 1884
1885 /* if no filters are configured, do nothing */
1886 if (!mvm->bcast_filters)
de06a59e 1887 return false;
c87163b9
EP		 1888
1889 /* configure and attach these filters for each associated sta vif */
1890 ieee80211_iterate_active_interfaces(
1891 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
1892 iwl_mvm_bcast_filter_iterator, &iter_data);
1893
de06a59e
EP		 1894 return true;
1895}
34672bb3
EP		 1896
1897static int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm)
de06a59e
EP		 1898{
1899 struct iwl_bcast_filter_cmd cmd;
1900
1901 if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING))
1902 return 0;
1903
1904 if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd))
1905 return 0;
1906
a1022927 1907 return iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0,
c87163b9
EP		 1908 sizeof(cmd), &cmd);
1909}
1910#else
34672bb3 1911static inline int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm)
c87163b9
EP		 1912{
1913 return 0;
1914}
1915#endif
1916
a07a8f37
SS		 1917static int iwl_mvm_update_mu_groups(struct iwl_mvm *mvm,
1918 struct ieee80211_vif *vif)
1919{
1920 struct iwl_mu_group_mgmt_cmd cmd = {};
1921
1922 memcpy(cmd.membership_status, vif->bss_conf.mu_group.membership,
1923 WLAN_MEMBERSHIP_LEN);
1924 memcpy(cmd.user_position, vif->bss_conf.mu_group.position,
1925 WLAN_USER_POSITION_LEN);
1926
1927 return iwl_mvm_send_cmd_pdu(mvm,
1928 WIDE_ID(DATA_PATH_GROUP,
1929 UPDATE_MU_GROUPS_CMD),
1930 0, sizeof(cmd), &cmd);
1931}
1932
f92659a1
SS		 1933static void iwl_mvm_mu_mimo_iface_iterator(void *_data, u8 *mac,
1934 struct ieee80211_vif *vif)
1935{
1936 if (vif->mu_mimo_owner) {
1937 struct iwl_mu_group_mgmt_notif *notif = _data;
1938
1939 /*
1940 * MU-MIMO Group Id action frame is little endian. We treat
1941 * the data received from firmware as if it came from the
1942 * action frame, so no conversion is needed.
1943 */
1944 ieee80211_update_mu_groups(vif,
1945 (u8 *)&notif->membership_status,
1946 (u8 *)&notif->user_position);
1947 }
1948}
1949
1950void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm,
1951 struct iwl_rx_cmd_buffer *rxb)
1952{
1953 struct iwl_rx_packet *pkt = rxb_addr(rxb);
1954 struct iwl_mu_group_mgmt_notif *notif = (void *)pkt->data;
1955
1956 ieee80211_iterate_active_interfaces_atomic(
1957 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
1958 iwl_mvm_mu_mimo_iface_iterator, notif);
1959}
1960
514c3069
LC		 1961static u8 iwl_mvm_he_get_ppe_val(u8 *ppe, u8 ppe_pos_bit)
1962{
1963 u8 byte_num = ppe_pos_bit / 8;
1964 u8 bit_num = ppe_pos_bit % 8;
1965 u8 residue_bits;
1966 u8 res;
1967
1968 if (bit_num <= 5)
1969 return (ppe[byte_num] >> bit_num) &
1970 (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE) - 1);
1971
1972 /*
1973 * If bit_num > 5, we have to combine bits with next byte.
1974 * Calculate how many bits we need to take from current byte (called
1975 * here "residue_bits"), and add them to bits from next byte.
1976 */
1977
1978 residue_bits = 8 - bit_num;
1979
1980 res = (ppe[byte_num + 1] &
1981 (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE - residue_bits) - 1)) <<
1982 residue_bits;
1983 res += (ppe[byte_num] >> bit_num) & (BIT(residue_bits) - 1);
1984
1985 return res;
1986}
1987
1988static void iwl_mvm_cfg_he_sta(struct iwl_mvm *mvm,
1989 struct ieee80211_vif *vif, u8 sta_id)
1990{
1991 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1992 struct iwl_he_sta_context_cmd sta_ctxt_cmd = {
1993 .sta_id = sta_id,
1994 .tid_limit = IWL_MAX_TID_COUNT,
dd56e902 1995 .bss_color = vif->bss_conf.he_bss_color.color,
514c3069
LC		 1996 .htc_trig_based_pkt_ext = vif->bss_conf.htc_trig_based_pkt_ext,
1997 .frame_time_rts_th =
1998 cpu_to_le16(vif->bss_conf.frame_time_rts_th),
1999 };
d14ae796
SS		 2000 int size = fw_has_api(&mvm->fw->ucode_capa,
2001 IWL_UCODE_TLV_API_MBSSID_HE) ?
2002 sizeof(sta_ctxt_cmd) :
2003 sizeof(struct iwl_he_sta_context_cmd_v1);
514c3069
LC		 2004 struct ieee80211_sta *sta;
2005 u32 flags;
2006 int i;
2007
2008 rcu_read_lock();
2009
2010 sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_ctxt_cmd.sta_id]);
12d47f0e 2011 if (IS_ERR_OR_NULL(sta)) {
514c3069
LC		 2012 rcu_read_unlock();
2013 WARN(1, "Can't find STA to configure HE\n");
2014 return;
2015 }
2016
2017 if (!sta->he_cap.has_he) {
2018 rcu_read_unlock();
2019 return;
2020 }
2021
2022 flags = 0;
2023
4f58121d
IP		 2024 /* Block 26-tone RU OFDMA transmissions */
2025 if (mvmvif->he_ru_2mhz_block)
2026 flags |= STA_CTXT_HE_RU_2MHZ_BLOCK;
2027
514c3069
LC		 2028 /* HTC flags */
2029 if (sta->he_cap.he_cap_elem.mac_cap_info[0] &
2030 IEEE80211_HE_MAC_CAP0_HTC_HE)
2031 sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_SUPPORT);
2032 if ((sta->he_cap.he_cap_elem.mac_cap_info[1] &
2033 IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION) ||
2034 (sta->he_cap.he_cap_elem.mac_cap_info[2] &
2035 IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION)) {
2036 u8 link_adap =
2037 ((sta->he_cap.he_cap_elem.mac_cap_info[2] &
2038 IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION) << 1) +
2039 (sta->he_cap.he_cap_elem.mac_cap_info[1] &
2040 IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION);
2041
2042 if (link_adap == 2)
2043 sta_ctxt_cmd.htc_flags |=
2044 cpu_to_le32(IWL_HE_HTC_LINK_ADAP_UNSOLICITED);
2045 else if (link_adap == 3)
2046 sta_ctxt_cmd.htc_flags |=
2047 cpu_to_le32(IWL_HE_HTC_LINK_ADAP_BOTH);
2048 }
514c3069
LC		 2049 if (sta->he_cap.he_cap_elem.mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_BSR)
2050 sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_BSR_SUPP);
2051 if (sta->he_cap.he_cap_elem.mac_cap_info[3] &
2052 IEEE80211_HE_MAC_CAP3_OMI_CONTROL)
2053 sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_OMI_SUPP);
2054 if (sta->he_cap.he_cap_elem.mac_cap_info[4] & IEEE80211_HE_MAC_CAP4_BQR)
2055 sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_BQR_SUPP);
2056
189b8d44
NG		 2057 /*
2058 * Initialize the PPE thresholds to "None" (7), as described in Table
2059 * 9-262ac of 80211.ax/D3.0.
2060 */
2061 memset(&sta_ctxt_cmd.pkt_ext, 7, sizeof(sta_ctxt_cmd.pkt_ext));
2062
2063 /* If PPE Thresholds exist, parse them into a FW-familiar format. */
514c3069
LC		 2064 if (sta->he_cap.he_cap_elem.phy_cap_info[6] &
2065 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
2066 u8 nss = (sta->he_cap.ppe_thres[0] &
2067 IEEE80211_PPE_THRES_NSS_MASK) + 1;
2068 u8 ru_index_bitmap =
2069 (sta->he_cap.ppe_thres[0] &
2070 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK) >>
2071 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS;
2072 u8 *ppe = &sta->he_cap.ppe_thres[0];
2073 u8 ppe_pos_bit = 7; /* Starting after PPE header */
2074
2075 /*
2076 * FW currently supports only nss == MAX_HE_SUPP_NSS
2077 *
2078 * If nss > MAX: we can ignore values we don't support
2079 * If nss < MAX: we can set zeros in other streams
2080 */
2081 if (nss > MAX_HE_SUPP_NSS) {
2082 IWL_INFO(mvm, "Got NSS = %d - trimming to %d\n", nss,
2083 MAX_HE_SUPP_NSS);
2084 nss = MAX_HE_SUPP_NSS;
2085 }
2086
2087 for (i = 0; i < nss; i++) {
2088 u8 ru_index_tmp = ru_index_bitmap << 1;
2089 u8 bw;
2090
2091 for (bw = 0; bw < MAX_HE_CHANNEL_BW_INDX; bw++) {
2092 ru_index_tmp >>= 1;
2093 if (!(ru_index_tmp & 1))
2094 continue;
2095
2096 sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw][1] =
2097 iwl_mvm_he_get_ppe_val(ppe,
2098 ppe_pos_bit);
2099 ppe_pos_bit +=
2100 IEEE80211_PPE_THRES_INFO_PPET_SIZE;
2101 sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw][0] =
2102 iwl_mvm_he_get_ppe_val(ppe,
2103 ppe_pos_bit);
2104 ppe_pos_bit +=
2105 IEEE80211_PPE_THRES_INFO_PPET_SIZE;
2106 }
2107 }
2108
2109 flags |= STA_CTXT_HE_PACKET_EXT;
77ff2c6b
LK		 2110 } else if ((sta->he_cap.he_cap_elem.phy_cap_info[9] &
2111 IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK) !=
2112 IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_RESERVED) {
2113 int low_th = -1;
2114 int high_th = -1;
2115
2116 /* Take the PPE thresholds from the nominal padding info */
2117 switch (sta->he_cap.he_cap_elem.phy_cap_info[9] &
2118 IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK) {
2119 case IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_0US:
2120 low_th = IWL_HE_PKT_EXT_NONE;
2121 high_th = IWL_HE_PKT_EXT_NONE;
2122 break;
2123 case IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_8US:
2124 low_th = IWL_HE_PKT_EXT_BPSK;
2125 high_th = IWL_HE_PKT_EXT_NONE;
2126 break;
2127 case IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US:
2128 low_th = IWL_HE_PKT_EXT_NONE;
2129 high_th = IWL_HE_PKT_EXT_BPSK;
2130 break;
2131 }
2132
2133 /* Set the PPE thresholds accordingly */
2134 if (low_th >= 0 && high_th >= 0) {
0bfefe2f
LK		 2135 struct iwl_he_pkt_ext *pkt_ext =
2136 (struct iwl_he_pkt_ext *)&sta_ctxt_cmd.pkt_ext;
77ff2c6b
LK		 2137
2138 for (i = 0; i < MAX_HE_SUPP_NSS; i++) {
2139 u8 bw;
2140
2141 for (bw = 0; bw < MAX_HE_CHANNEL_BW_INDX;
2142 bw++) {
0bfefe2f
LK		 2143 pkt_ext->pkt_ext_qam_th[i][bw][0] =
2144 low_th;
2145 pkt_ext->pkt_ext_qam_th[i][bw][1] =
2146 high_th;
77ff2c6b
LK		 2147 }
2148 }
2149
2150 flags |= STA_CTXT_HE_PACKET_EXT;
2151 }
514c3069 2152 }
73f23d91
ST		 2153
2154 if (sta->he_cap.he_cap_elem.mac_cap_info[2] &
2155 IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP)
2156 flags |= STA_CTXT_HE_32BIT_BA_BITMAP;
2157
2158 if (sta->he_cap.he_cap_elem.mac_cap_info[2] &
2159 IEEE80211_HE_MAC_CAP2_ACK_EN)
2160 flags |= STA_CTXT_HE_ACK_ENABLED;
2161
514c3069
LC		 2162 rcu_read_unlock();
2163
2164 /* Mark MU EDCA as enabled, unless none detected on some AC */
2165 flags |= STA_CTXT_HE_MU_EDCA_CW;
5cc74f65 2166 for (i = 0; i < IEEE80211_NUM_ACS; i++) {
514c3069
LC		 2167 struct ieee80211_he_mu_edca_param_ac_rec *mu_edca =
2168 &mvmvif->queue_params[i].mu_edca_param_rec;
5cc74f65 2169 u8 ac = iwl_mvm_mac80211_ac_to_ucode_ac(i);
514c3069
LC		 2170
2171 if (!mvmvif->queue_params[i].mu_edca) {
2172 flags &= ~STA_CTXT_HE_MU_EDCA_CW;
2173 break;
2174 }
2175
5cc74f65 2176 sta_ctxt_cmd.trig_based_txf[ac].cwmin =
514c3069 2177 cpu_to_le16(mu_edca->ecw_min_max & 0xf);
5cc74f65 2178 sta_ctxt_cmd.trig_based_txf[ac].cwmax =
514c3069 2179 cpu_to_le16((mu_edca->ecw_min_max & 0xf0) >> 4);
5cc74f65 2180 sta_ctxt_cmd.trig_based_txf[ac].aifsn =
514c3069 2181 cpu_to_le16(mu_edca->aifsn);
5cc74f65 2182 sta_ctxt_cmd.trig_based_txf[ac].mu_time =
514c3069
LC		 2183 cpu_to_le16(mu_edca->mu_edca_timer);
2184 }
2185
514c3069
LC		 2186
2187 if (vif->bss_conf.uora_exists) {
2188 flags |= STA_CTXT_HE_TRIG_RND_ALLOC;
2189
2190 sta_ctxt_cmd.rand_alloc_ecwmin =
2191 vif->bss_conf.uora_ocw_range & 0x7;
2192 sta_ctxt_cmd.rand_alloc_ecwmax =
2193 (vif->bss_conf.uora_ocw_range >> 3) & 0x7;
2194 }
2195
918cbf39
SS		 2196 if (vif->bss_conf.nontransmitted) {
2197 flags |= STA_CTXT_HE_REF_BSSID_VALID;
2198 ether_addr_copy(sta_ctxt_cmd.ref_bssid_addr,
2199 vif->bss_conf.transmitter_bssid);
d14ae796
SS		 2200 sta_ctxt_cmd.max_bssid_indicator =
2201 vif->bss_conf.bssid_indicator;
2202 sta_ctxt_cmd.bssid_index = vif->bss_conf.bssid_index;
2203 sta_ctxt_cmd.ema_ap = vif->bss_conf.ema_ap;
2204 sta_ctxt_cmd.profile_periodicity =
2205 vif->bss_conf.profile_periodicity;
918cbf39 2206 }
514c3069
LC		 2207
2208 sta_ctxt_cmd.flags = cpu_to_le32(flags);
2209
2210 if (iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(STA_HE_CTXT_CMD,
2211 DATA_PATH_GROUP, 0),
d14ae796 2212 0, size, &sta_ctxt_cmd))
514c3069
LC		 2213 IWL_ERR(mvm, "Failed to config FW to work HE!\n");
2214}
2215
8ca151b5
JB		 2216static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm,
2217 struct ieee80211_vif *vif,
2218 struct ieee80211_bss_conf *bss_conf,
2219 u32 changes)
2220{
2221 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2222 int ret;
2223
6e97b0d2 2224 /*
cdaba917
EG		 2225 * Re-calculate the tsf id, as the leader-follower relations depend
2226 * on the beacon interval, which was not known when the station
2227 * interface was added.
6e97b0d2 2228 */
514c3069 2229 if (changes & BSS_CHANGED_ASSOC && bss_conf->assoc) {
230ba6c5
LC		 2230 if (vif->bss_conf.he_support &&
2231 !iwlwifi_mod_params.disable_11ax)
514c3069
LC		 2232 iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->ap_sta_id);
2233
6e97b0d2 2234 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif);
514c3069 2235 }
6e97b0d2 2236
40ecdd01
ST		 2237 /* Update MU EDCA params */
2238 if (changes & BSS_CHANGED_QOS && mvmvif->associated &&
2239 bss_conf->assoc && vif->bss_conf.he_support &&
2240 !iwlwifi_mod_params.disable_11ax)
2241 iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->ap_sta_id);
2242
3dfd3a97
JB		 2243 /*
2244 * If we're not associated yet, take the (new) BSSID before associating
2245 * so the firmware knows. If we're already associated, then use the old
2246 * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC
2247 * branch for disassociation below.
2248 */
2249 if (changes & BSS_CHANGED_BSSID && !mvmvif->associated)
2250 memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN);
2251
2252 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, mvmvif->bssid);
8ca151b5
JB		 2253 if (ret)
2254 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr);
2255
3dfd3a97
JB		 2256 /* after sending it once, adopt mac80211 data */
2257 memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN);
2258 mvmvif->associated = bss_conf->assoc;
2259
8ca151b5
JB		 2260 if (changes & BSS_CHANGED_ASSOC) {
2261 if (bss_conf->assoc) {
33cef925
JB		 2262 /* clear statistics to get clean beacon counter */
2263 iwl_mvm_request_statistics(mvm, true);
2264 memset(&mvmvif->beacon_stats, 0,
2265 sizeof(mvmvif->beacon_stats));
2266
8ca151b5 2267 /* add quota for this interface */
7754ae79 2268 ret = iwl_mvm_update_quotas(mvm, true, NULL);
8ca151b5
JB		 2269 if (ret) {
2270 IWL_ERR(mvm, "failed to update quotas\n");
2271 return;
2272 }
016d27e1
JB		 2273
2274 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART,
fe959c7b
EG		 2275 &mvm->status) &&
2276 !fw_has_capa(&mvm->fw->ucode_capa,
2277 IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) {
016d27e1
JB		 2278 /*
2279 * If we're restarting then the firmware will
2280 * obviously have lost synchronisation with
2281 * the AP. It will attempt to synchronise by
2282 * itself, but we can make it more reliable by
2283 * scheduling a session protection time event.
2284 *
2285 * The firmware needs to receive a beacon to
2286 * catch up with synchronisation, use 110% of
2287 * the beacon interval.
2288 *
2289 * Set a large maximum delay to allow for more
2290 * than a single interface.
fe959c7b
EG		 2291 *
2292 * For new firmware versions, rely on the
2293 * firmware. This is relevant for DCM scenarios
2294 * only anyway.
016d27e1
JB		 2295 */
2296 u32 dur = (11 * vif->bss_conf.beacon_int) / 10;
2297 iwl_mvm_protect_session(mvm, vif, dur, dur,
d20d37bc 2298 5 * dur, false);
016d27e1 2299 }
1f3b0ff8
LE		 2300
2301 iwl_mvm_sf_update(mvm, vif, false);
175a70b7 2302 iwl_mvm_power_vif_assoc(mvm, vif);
697162a1 2303 if (vif->p2p) {
697162a1
EG		 2304 iwl_mvm_update_smps(mvm, vif,
2305 IWL_MVM_SMPS_REQ_PROT,
2306 IEEE80211_SMPS_DYNAMIC);
2307 }
0ae98812 2308 } else if (mvmvif->ap_sta_id != IWL_MVM_INVALID_STA) {
1f3b0ff8
LE		 2309 /*
2310 * If update fails - SF might be running in associated
2311 * mode while disassociated - which is forbidden.
2312 */
69e508b4
IP		 2313 ret = iwl_mvm_sf_update(mvm, vif, false);
2314 WARN_ONCE(ret &&
2315 !test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED,
2316 &mvm->status),
1f3b0ff8
LE		 2317 "Failed to update SF upon disassociation\n");
2318
6b28f978
EG		 2319 /*
2320 * If we get an assert during the connection (after the
2321 * station has been added, but before the vif is set
2322 * to associated), mac80211 will re-add the station and
2323 * then configure the vif. Since the vif is not
2324 * associated, we would remove the station here and
2325 * this would fail the recovery.
2326 */
2327 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART,
2328 &mvm->status)) {
2329 /*
2330 * Remove AP station now that
2331 * the MAC is unassoc
2332 */
2333 ret = iwl_mvm_rm_sta_id(mvm, vif,
2334 mvmvif->ap_sta_id);
2335 if (ret)
2336 IWL_ERR(mvm,
2337 "failed to remove AP station\n");
2338
6b28f978
EG		 2339 mvmvif->ap_sta_id = IWL_MVM_INVALID_STA;
2340 }
37577fe2 2341
8ca151b5 2342 /* remove quota for this interface */
7754ae79 2343 ret = iwl_mvm_update_quotas(mvm, false, NULL);
8ca151b5
JB		 2344 if (ret)
2345 IWL_ERR(mvm, "failed to update quotas\n");
29a90a49 2346
3dfd3a97
JB		 2347 /* this will take the cleared BSSID from bss_conf */
2348 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
2349 if (ret)
2350 IWL_ERR(mvm,
2351 "failed to update MAC %pM (clear after unassoc)\n",
2352 vif->addr);
8ca151b5 2353 }
a20fd398 2354
a07a8f37
SS		 2355 /*
2356 * The firmware tracks the MU-MIMO group on its own.
f92659a1 2357 * However, on HW restart we should restore this data.
a07a8f37
SS		 2358 */
2359 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) &&
f92659a1 2360 (changes & BSS_CHANGED_MU_GROUPS) && vif->mu_mimo_owner) {
a07a8f37
SS		 2361 ret = iwl_mvm_update_mu_groups(mvm, vif);
2362 if (ret)
2363 IWL_ERR(mvm,
2364 "failed to update VHT MU_MIMO groups\n");
2365 }
2366
e59647ea 2367 iwl_mvm_recalc_multicast(mvm);
34672bb3 2368 iwl_mvm_configure_bcast_filter(mvm);
e59647ea 2369
a20fd398
AO		 2370 /* reset rssi values */
2371 mvmvif->bf_data.ave_beacon_signal = 0;
2372
8e484f0b 2373 iwl_mvm_bt_coex_vif_change(mvm);
f94045ed
EG		 2374 iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_TT,
2375 IEEE80211_SMPS_AUTOMATIC);
355346ba
AS		 2376 if (fw_has_capa(&mvm->fw->ucode_capa,
2377 IWL_UCODE_TLV_CAPA_UMAC_SCAN))
2378 iwl_mvm_config_scan(mvm);
b45242c9
AS		 2379 }
2380
2381 if (changes & BSS_CHANGED_BEACON_INFO) {
210a544e 2382 /*
b45242c9 2383 * We received a beacon from the associated AP so
210a544e 2384 * remove the session protection.
fe959c7b 2385 * A firmware with the new API will remove it automatically.
210a544e 2386 */
fe959c7b
EG		 2387 if (!fw_has_capa(&mvm->fw->ucode_capa,
2388 IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD))
2389 iwl_mvm_stop_session_protection(mvm, vif);
cc87d322 2390
cc87d322
EH		 2391 iwl_mvm_sf_update(mvm, vif, false);
2392 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0));
2393 }
2394
283115fb
AA		 2395 if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS |
2396 /*
2397 * Send power command on every beacon change,
2398 * because we may have not enabled beacon abort yet.
2399 */
2400 BSS_CHANGED_BEACON_INFO)) {
1bc10d3b
JB		 2401 ret = iwl_mvm_power_update_mac(mvm);
2402 if (ret)
2403 IWL_ERR(mvm, "failed to update power mode\n");
2404 }
2405
88f2fd73
MG		 2406 if (changes & BSS_CHANGED_TXPOWER) {
2407 IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n",
2408 bss_conf->txpower);
2409 iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower);
2410 }
a20fd398
AO		 2411
2412 if (changes & BSS_CHANGED_CQM) {
3c6acb61 2413 IWL_DEBUG_MAC80211(mvm, "cqm info_changed\n");
a20fd398
AO		 2414 /* reset cqm events tracking */
2415 mvmvif->bf_data.last_cqm_event = 0;
fa7b2e7f
AA		 2416 if (mvmvif->bf_data.bf_enabled) {
2417 ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0);
2418 if (ret)
2419 IWL_ERR(mvm,
2420 "failed to update CQM thresholds\n");
2421 }
a20fd398 2422 }
2ee8f021
EP		 2423
2424 if (changes & BSS_CHANGED_ARP_FILTER) {
3c6acb61 2425 IWL_DEBUG_MAC80211(mvm, "arp filter changed\n");
34672bb3 2426 iwl_mvm_configure_bcast_filter(mvm);
2ee8f021 2427 }
8ca151b5
JB		 2428}
2429
5023d966
JB		 2430static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw,
2431 struct ieee80211_vif *vif)
8ca151b5
JB		 2432{
2433 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2434 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
c56e00a3 2435 int ret, i;
8ca151b5
JB		 2436
2437 mutex_lock(&mvm->mutex);
2438
2439 /* Send the beacon template */
2440 ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif);
2441 if (ret)
2442 goto out_unlock;
2443
6e97b0d2 2444 /*
cdaba917
EG		 2445 * Re-calculate the tsf id, as the leader-follower relations depend on
2446 * the beacon interval, which was not known when the AP interface
2447 * was added.
6e97b0d2
IP		 2448 */
2449 if (vif->type == NL80211_IFTYPE_AP)
2450 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif);
2451
94939080
GG		 2452 mvmvif->ap_assoc_sta_count = 0;
2453
8ca151b5
JB		 2454 /* Add the mac context */
2455 ret = iwl_mvm_mac_ctxt_add(mvm, vif);
2456 if (ret)
2457 goto out_unlock;
2458
2459 /* Perform the binding */
2460 ret = iwl_mvm_binding_add_vif(mvm, vif);
2461 if (ret)
2462 goto out_remove;
2463
63dd5d02
SS		 2464 /*
2465 * This is not very nice, but the simplest:
2466 * For older FWs adding the mcast sta before the bcast station may
2467 * cause assert 0x2b00.
2468 * This is fixed in later FW so make the order of removal depend on
2469 * the TLV
2470 */
2471 if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) {
2472 ret = iwl_mvm_add_mcast_sta(mvm, vif);
2473 if (ret)
2474 goto out_unbind;
2475 /*
2476 * Send the bcast station. At this stage the TBTT and DTIM time
2477 * events are added and applied to the scheduler
2478 */
2479 ret = iwl_mvm_send_add_bcast_sta(mvm, vif);
2480 if (ret) {
2481 iwl_mvm_rm_mcast_sta(mvm, vif);
2482 goto out_unbind;
2483 }
2484 } else {
2485 /*
2486 * Send the bcast station. At this stage the TBTT and DTIM time
2487 * events are added and applied to the scheduler
2488 */
75fd4fec 2489 ret = iwl_mvm_send_add_bcast_sta(mvm, vif);
63dd5d02
SS		 2490 if (ret)
2491 goto out_unbind;
75fd4fec 2492 ret = iwl_mvm_add_mcast_sta(mvm, vif);
63dd5d02
SS		 2493 if (ret) {
2494 iwl_mvm_send_rm_bcast_sta(mvm, vif);
2495 goto out_unbind;
2496 }
2497 }
26d6c16b 2498
5691e218
IP		 2499 /* must be set before quota calculations */
2500 mvmvif->ap_ibss_active = true;
2501
c56e00a3
JB		 2502 /* send all the early keys to the device now */
2503 for (i = 0; i < ARRAY_SIZE(mvmvif->ap_early_keys); i++) {
2504 struct ieee80211_key_conf *key = mvmvif->ap_early_keys[i];
2505
2506 if (!key)
2507 continue;
2508
2509 mvmvif->ap_early_keys[i] = NULL;
2510
6569e7d3 2511 ret = __iwl_mvm_mac_set_key(hw, SET_KEY, vif, NULL, key);
c56e00a3
JB		 2512 if (ret)
2513 goto out_quota_failed;
2514 }
2515
47242744
TM		 2516 if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) {
2517 iwl_mvm_vif_set_low_latency(mvmvif, true,
2518 LOW_LATENCY_VIF_TYPE);
2519 iwl_mvm_send_low_latency_cmd(mvm, true, mvmvif->id);
2520 }
2521
a11e144e 2522 /* power updated needs to be done before quotas */
999609f1 2523 iwl_mvm_power_update_mac(mvm);
a11e144e 2524
7754ae79 2525 ret = iwl_mvm_update_quotas(mvm, false, NULL);
8ca151b5 2526 if (ret)
a11e144e 2527 goto out_quota_failed;
8ca151b5 2528
5023d966 2529 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
8ca151b5 2530 if (vif->p2p && mvm->p2p_device_vif)
3dfd3a97 2531 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL);
8ca151b5 2532
8e484f0b 2533 iwl_mvm_bt_coex_vif_change(mvm);
dac94da8 2534
f697267f
AN		 2535 /* we don't support TDLS during DCM */
2536 if (iwl_mvm_phy_ctx_count(mvm) > 1)
2537 iwl_mvm_teardown_tdls_peers(mvm);
2538
b73f9a4a
JB		 2539 iwl_mvm_ftm_restart_responder(mvm, vif);
2540
939e4904 2541 goto out_unlock;
8ca151b5 2542
a11e144e 2543out_quota_failed:
999609f1 2544 iwl_mvm_power_update_mac(mvm);
5691e218 2545 mvmvif->ap_ibss_active = false;
013290aa 2546 iwl_mvm_send_rm_bcast_sta(mvm, vif);
ced19f26 2547 iwl_mvm_rm_mcast_sta(mvm, vif);
8ca151b5
JB		 2548out_unbind:
2549 iwl_mvm_binding_remove_vif(mvm, vif);
2550out_remove:
2551 iwl_mvm_mac_ctxt_remove(mvm, vif);
2552out_unlock:
2553 mutex_unlock(&mvm->mutex);
2554 return ret;
2555}
2556
5023d966
JB		 2557static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw,
2558 struct ieee80211_vif *vif)
8ca151b5
JB		 2559{
2560 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2561 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2562
38a12b5b
JB		 2563 iwl_mvm_prepare_mac_removal(mvm, vif);
2564
8ca151b5
JB		 2565 mutex_lock(&mvm->mutex);
2566
664322fa 2567 /* Handle AP stop while in CSA */
7f0a7c67
AO		 2568 if (rcu_access_pointer(mvm->csa_vif) == vif) {
2569 iwl_mvm_remove_time_event(mvm, mvmvif,
2570 &mvmvif->time_event_data);
664322fa 2571 RCU_INIT_POINTER(mvm->csa_vif, NULL);
e9cb0327 2572 mvmvif->csa_countdown = false;
7f0a7c67 2573 }
664322fa 2574
003e5236
AO		 2575 if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) {
2576 RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL);
2577 mvm->csa_tx_block_bcn_timeout = 0;
2578 }
2579
5023d966 2580 mvmvif->ap_ibss_active = false;
1c87bbad 2581 mvm->ap_last_beacon_gp2 = 0;
8ca151b5 2582
47242744
TM		 2583 if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) {
2584 iwl_mvm_vif_set_low_latency(mvmvif, false,
2585 LOW_LATENCY_VIF_TYPE);
2586 iwl_mvm_send_low_latency_cmd(mvm, false, mvmvif->id);
2587 }
2588
8e484f0b 2589 iwl_mvm_bt_coex_vif_change(mvm);
dac94da8 2590
5023d966 2591 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
8ca151b5 2592 if (vif->p2p && mvm->p2p_device_vif)
3dfd3a97 2593 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL);
8ca151b5 2594
7754ae79 2595 iwl_mvm_update_quotas(mvm, false, NULL);
ced19f26 2596
be82ecd3
AS		 2597 iwl_mvm_ftm_responder_clear(mvm, vif);
2598
ced19f26
SS		 2599 /*
2600 * This is not very nice, but the simplest:
2601 * For older FWs removing the mcast sta before the bcast station may
2602 * cause assert 0x2b00.
2603 * This is fixed in later FW (which will stop beaconing when removing
2604 * bcast station).
2605 * So make the order of removal depend on the TLV
2606 */
2607 if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE))
2608 iwl_mvm_rm_mcast_sta(mvm, vif);
013290aa 2609 iwl_mvm_send_rm_bcast_sta(mvm, vif);
ced19f26
SS		 2610 if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE))
2611 iwl_mvm_rm_mcast_sta(mvm, vif);
8ca151b5 2612 iwl_mvm_binding_remove_vif(mvm, vif);
a11e144e 2613
999609f1 2614 iwl_mvm_power_update_mac(mvm);
a11e144e 2615
8ca151b5
JB		 2616 iwl_mvm_mac_ctxt_remove(mvm, vif);
2617
2618 mutex_unlock(&mvm->mutex);
2619}
2620
5023d966
JB		 2621static void
2622iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm,
2623 struct ieee80211_vif *vif,
2624 struct ieee80211_bss_conf *bss_conf,
2625 u32 changes)
8ca151b5 2626{
be2056fc 2627 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
8a5e3660 2628
be2056fc
IP		 2629 /* Changes will be applied when the AP/IBSS is started */
2630 if (!mvmvif->ap_ibss_active)
2631 return;
2632
863230da 2633 if (changes & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT |
f7d8b702 2634 BSS_CHANGED_BANDWIDTH | BSS_CHANGED_QOS) &&
3dfd3a97 2635 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL))
863230da 2636 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr);
8a5e3660 2637
8ca151b5 2638 /* Need to send a new beacon template to the FW */
863230da
JB		 2639 if (changes & BSS_CHANGED_BEACON &&
2640 iwl_mvm_mac_ctxt_beacon_changed(mvm, vif))
2641 IWL_WARN(mvm, "Failed updating beacon data\n");
79b7a69d
HD		 2642
2643 if (changes & BSS_CHANGED_TXPOWER) {
2644 IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n",
2645 bss_conf->txpower);
2646 iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower);
2647 }
b73f9a4a
JB		 2648
2649 if (changes & BSS_CHANGED_FTM_RESPONDER) {
2650 int ret = iwl_mvm_ftm_start_responder(mvm, vif);
2651
2652 if (ret)
2653 IWL_WARN(mvm, "Failed to enable FTM responder (%d)\n",
2654 ret);
2655 }
2656
8ca151b5
JB		 2657}
2658
2659static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw,
2660 struct ieee80211_vif *vif,
2661 struct ieee80211_bss_conf *bss_conf,
2662 u32 changes)
2663{
2664 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2665
2666 mutex_lock(&mvm->mutex);
2667
723f02ed 2668 if (changes & BSS_CHANGED_IDLE && !bss_conf->idle)
c7d42480 2669 iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, true);
723f02ed 2670
8ca151b5
JB		 2671 switch (vif->type) {
2672 case NL80211_IFTYPE_STATION:
2673 iwl_mvm_bss_info_changed_station(mvm, vif, bss_conf, changes);
2674 break;
2675 case NL80211_IFTYPE_AP:
5023d966
JB		 2676 case NL80211_IFTYPE_ADHOC:
2677 iwl_mvm_bss_info_changed_ap_ibss(mvm, vif, bss_conf, changes);
8ca151b5 2678 break;
91b08c2d
AE		 2679 case NL80211_IFTYPE_MONITOR:
2680 if (changes & BSS_CHANGED_MU_GROUPS)
2681 iwl_mvm_update_mu_groups(mvm, vif);
2682 break;
8ca151b5
JB		 2683 default:
2684 /* shouldn't happen */
2685 WARN_ON_ONCE(1);
2686 }
2687
2688 mutex_unlock(&mvm->mutex);
2689}
2690
2691static int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw,
2692 struct ieee80211_vif *vif,
c56ef672 2693 struct ieee80211_scan_request *hw_req)
8ca151b5
JB		 2694{
2695 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2696 int ret;
2697
6749dd80
LC		 2698 if (hw_req->req.n_channels == 0 ||
2699 hw_req->req.n_channels > mvm->fw->ucode_capa.n_scan_channels)
8ca151b5
JB		 2700 return -EINVAL;
2701
2702 mutex_lock(&mvm->mutex);
6749dd80 2703 ret = iwl_mvm_reg_scan_start(mvm, vif, &hw_req->req, &hw_req->ies);
8ca151b5 2704 mutex_unlock(&mvm->mutex);
6749dd80 2705
8ca151b5
JB		 2706 return ret;
2707}
2708
2709static void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw,
2710 struct ieee80211_vif *vif)
2711{
2712 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2713
2714 mutex_lock(&mvm->mutex);
2715
e7d3abab
LC		 2716 /* Due to a race condition, it's possible that mac80211 asks
2717 * us to stop a hw_scan when it's already stopped. This can
2718 * happen, for instance, if we stopped the scan ourselves,
2719 * called ieee80211_scan_completed() and the userspace called
2720 * cancel scan scan before ieee80211_scan_work() could run.
2721 * To handle that, simply return if the scan is not running.
2722 */
262888fc 2723 if (mvm->scan_status & IWL_MVM_SCAN_REGULAR)
c7d42480 2724 iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_REGULAR, true);
8ca151b5
JB		 2725
2726 mutex_unlock(&mvm->mutex);
2727}
2728
2729static void
2730iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw *hw,
3e56eadf 2731 struct ieee80211_sta *sta, u16 tids,
8ca151b5
JB		 2732 int num_frames,
2733 enum ieee80211_frame_release_type reason,
2734 bool more_data)
2735{
2736 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
8ca151b5 2737
3e56eadf 2738 /* Called when we need to transmit (a) frame(s) from mac80211 */
8ca151b5 2739
3e56eadf
JB		 2740 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames,
2741 tids, more_data, false);
2742}
2743
2744static void
2745iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw *hw,
2746 struct ieee80211_sta *sta, u16 tids,
2747 int num_frames,
2748 enum ieee80211_frame_release_type reason,
2749 bool more_data)
2750{
2751 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2752
9a3fcf91 2753 /* Called when we need to transmit (a) frame(s) from agg or dqa queue */
3e56eadf
JB		 2754
2755 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames,
2756 tids, more_data, true);
8ca151b5
JB		 2757}
2758
65e25482
JB		 2759static void __iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw,
2760 enum sta_notify_cmd cmd,
2761 struct ieee80211_sta *sta)
8ca151b5
JB		 2762{
2763 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
5b577a90 2764 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
c22b0ff5 2765 unsigned long txqs = 0, tids = 0;
3e56eadf 2766 int tid;
8ca151b5 2767
960f864b
JB		 2768 /*
2769 * If we have TVQM then we get too high queue numbers - luckily
2770 * we really shouldn't get here with that because such hardware
2771 * should have firmware supporting buffer station offload.
2772 */
2773 if (WARN_ON(iwl_mvm_has_new_tx_api(mvm)))
2774 return;
2775
c22b0ff5 2776 spin_lock_bh(&mvmsta->lock);
311590a3 2777 for (tid = 0; tid < ARRAY_SIZE(mvmsta->tid_data); tid++) {
c22b0ff5
EG		 2778 struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid];
2779
6862fcee 2780 if (tid_data->txq_id == IWL_MVM_INVALID_QUEUE)
1c17627b
SS		 2781 continue;
2782
c22b0ff5
EG		 2783 __set_bit(tid_data->txq_id, &txqs);
2784
dd32162d 2785 if (iwl_mvm_tid_queued(mvm, tid_data) == 0)
c22b0ff5
EG		 2786 continue;
2787
2788 __set_bit(tid, &tids);
2789 }
2790
8ca151b5
JB		 2791 switch (cmd) {
2792 case STA_NOTIFY_SLEEP:
c22b0ff5 2793 for_each_set_bit(tid, &tids, IWL_MAX_TID_COUNT)
3e56eadf 2794 ieee80211_sta_set_buffered(sta, tid, true);
c22b0ff5
EG		 2795
2796 if (txqs)
2797 iwl_trans_freeze_txq_timer(mvm->trans, txqs, true);
8ca151b5
JB		 2798 /*
2799 * The fw updates the STA to be asleep. Tx packets on the Tx
2800 * queues to this station will not be transmitted. The fw will
2801 * send a Tx response with TX_STATUS_FAIL_DEST_PS.
2802 */
2803 break;
2804 case STA_NOTIFY_AWAKE:
0ae98812 2805 if (WARN_ON(mvmsta->sta_id == IWL_MVM_INVALID_STA))
8ca151b5 2806 break;
c22b0ff5
EG		 2807
2808 if (txqs)
2809 iwl_trans_freeze_txq_timer(mvm->trans, txqs, false);
9cc40712 2810 iwl_mvm_sta_modify_ps_wake(mvm, sta);
8ca151b5
JB		 2811 break;
2812 default:
2813 break;
2814 }
c22b0ff5 2815 spin_unlock_bh(&mvmsta->lock);
8ca151b5
JB		 2816}
2817
65e25482
JB		 2818static void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw,
2819 struct ieee80211_vif *vif,
2820 enum sta_notify_cmd cmd,
2821 struct ieee80211_sta *sta)
2822{
2823 __iwl_mvm_mac_sta_notify(hw, cmd, sta);
2824}
2825
2826void iwl_mvm_sta_pm_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb)
2827{
2828 struct iwl_rx_packet *pkt = rxb_addr(rxb);
2829 struct iwl_mvm_pm_state_notification *notif = (void *)pkt->data;
2830 struct ieee80211_sta *sta;
2831 struct iwl_mvm_sta *mvmsta;
2832 bool sleeping = (notif->type != IWL_MVM_PM_EVENT_AWAKE);
2833
be9ae34e 2834 if (WARN_ON(notif->sta_id >= mvm->fw->ucode_capa.num_stations))
65e25482
JB		 2835 return;
2836
2837 rcu_read_lock();
a9560029 2838 sta = rcu_dereference(mvm->fw_id_to_mac_id[notif->sta_id]);
65e25482
JB		 2839 if (WARN_ON(IS_ERR_OR_NULL(sta))) {
2840 rcu_read_unlock();
2841 return;
2842 }
2843
2844 mvmsta = iwl_mvm_sta_from_mac80211(sta);
2845
2846 if (!mvmsta->vif ||
2847 mvmsta->vif->type != NL80211_IFTYPE_AP) {
2848 rcu_read_unlock();
2849 return;
2850 }
2851
2852 if (mvmsta->sleeping != sleeping) {
2853 mvmsta->sleeping = sleeping;
2854 __iwl_mvm_mac_sta_notify(mvm->hw,
2855 sleeping ? STA_NOTIFY_SLEEP : STA_NOTIFY_AWAKE,
2856 sta);
2857 ieee80211_sta_ps_transition(sta, sleeping);
2858 }
2859
2860 if (sleeping) {
2861 switch (notif->type) {
2862 case IWL_MVM_PM_EVENT_AWAKE:
2863 case IWL_MVM_PM_EVENT_ASLEEP:
2864 break;
2865 case IWL_MVM_PM_EVENT_UAPSD:
2866 ieee80211_sta_uapsd_trigger(sta, IEEE80211_NUM_TIDS);
2867 break;
2868 case IWL_MVM_PM_EVENT_PS_POLL:
2869 ieee80211_sta_pspoll(sta);
2870 break;
2871 default:
2872 break;
2873 }
2874 }
2875
2876 rcu_read_unlock();
2877}
2878
1ddbbb0c
JB		 2879static void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw,
2880 struct ieee80211_vif *vif,
2881 struct ieee80211_sta *sta)
2882{
2883 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
9d8ce6af 2884 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta);
1ddbbb0c
JB		 2885
2886 /*
2887 * This is called before mac80211 does RCU synchronisation,
2888 * so here we already invalidate our internal RCU-protected
2889 * station pointer. The rest of the code will thus no longer
2890 * be able to find the station this way, and we don't rely
2891 * on further RCU synchronisation after the sta_state()
2892 * callback deleted the station.
2893 */
2894 mutex_lock(&mvm->mutex);
2895 if (sta == rcu_access_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id]))
2896 rcu_assign_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id],
2897 ERR_PTR(-ENOENT));
94939080 2898
1ddbbb0c
JB		 2899 mutex_unlock(&mvm->mutex);
2900}
2901
bd1ba664
JB		 2902static void iwl_mvm_check_uapsd(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
2903 const u8 *bssid)
2904{
b0ffe455
JB		 2905 int i;
2906
2907 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
2908 struct iwl_mvm_tcm_mac *mdata;
2909
2910 mdata = &mvm->tcm.data[iwl_mvm_vif_from_mac80211(vif)->id];
2911 ewma_rate_init(&mdata->uapsd_nonagg_detect.rate);
2912 mdata->opened_rx_ba_sessions = false;
2913 }
2914
bd1ba664
JB		 2915 if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT))
2916 return;
2917
c5241b0c 2918 if (vif->p2p && !iwl_mvm_is_p2p_scm_uapsd_supported(mvm)) {
cee5a882
AA		 2919 vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD;
2920 return;
2921 }
2922
11dee0b4
EG		 2923 if (!vif->p2p &&
2924 (iwlwifi_mod_params.uapsd_disable & IWL_DISABLE_UAPSD_BSS)) {
bd1ba664
JB		 2925 vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD;
2926 return;
2927 }
2928
b0ffe455
JB		 2929 for (i = 0; i < IWL_MVM_UAPSD_NOAGG_LIST_LEN; i++) {
2930 if (ether_addr_equal(mvm->uapsd_noagg_bssids[i].addr, bssid)) {
2931 vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD;
2932 return;
2933 }
2934 }
2935
bd1ba664
JB		 2936 vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD;
2937}
2938
1e8f1329
GBA		 2939static void
2940iwl_mvm_tdls_check_trigger(struct iwl_mvm *mvm,
2941 struct ieee80211_vif *vif, u8 *peer_addr,
2942 enum nl80211_tdls_operation action)
2943{
2944 struct iwl_fw_dbg_trigger_tlv *trig;
2945 struct iwl_fw_dbg_trigger_tdls *tdls_trig;
2946
6c042d75
SS		 2947 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif),
2948 FW_DBG_TRIGGER_TDLS);
2949 if (!trig)
1e8f1329
GBA		 2950 return;
2951
1e8f1329 2952 tdls_trig = (void *)trig->data;
1e8f1329
GBA		 2953
2954 if (!(tdls_trig->action_bitmap & BIT(action)))
2955 return;
2956
2957 if (tdls_trig->peer_mode &&
2958 memcmp(tdls_trig->peer, peer_addr, ETH_ALEN) != 0)
2959 return;
2960
7174beb6
JB		 2961 iwl_fw_dbg_collect_trig(&mvm->fwrt, trig,
2962 "TDLS event occurred, peer %pM, action %d",
2963 peer_addr, action);
1e8f1329
GBA		 2964}
2965
4f58121d
IP		 2966struct iwl_mvm_he_obss_narrow_bw_ru_data {
2967 bool tolerated;
2968};
2969
2970static void iwl_mvm_check_he_obss_narrow_bw_ru_iter(struct wiphy *wiphy,
2971 struct cfg80211_bss *bss,
2972 void *_data)
2973{
2974 struct iwl_mvm_he_obss_narrow_bw_ru_data *data = _data;
2975 const struct element *elem;
2976
2977 elem = cfg80211_find_elem(WLAN_EID_EXT_CAPABILITY, bss->ies->data,
2978 bss->ies->len);
2979
2980 if (!elem || elem->datalen < 10 ||
2981 !(elem->data[10] &
2982 WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT)) {
2983 data->tolerated = false;
2984 }
2985}
2986
2987static void iwl_mvm_check_he_obss_narrow_bw_ru(struct ieee80211_hw *hw,
2988 struct ieee80211_vif *vif)
2989{
2990 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2991 struct iwl_mvm_he_obss_narrow_bw_ru_data iter_data = {
2992 .tolerated = true,
2993 };
2994
2995 if (!(vif->bss_conf.chandef.chan->flags & IEEE80211_CHAN_RADAR)) {
2996 mvmvif->he_ru_2mhz_block = false;
2997 return;
2998 }
2999
3000 cfg80211_bss_iter(hw->wiphy, &vif->bss_conf.chandef,
3001 iwl_mvm_check_he_obss_narrow_bw_ru_iter,
3002 &iter_data);
3003
3004 /*
3005 * If there is at least one AP on radar channel that cannot
3006 * tolerate 26-tone RU UL OFDMA transmissions using HE TB PPDU.
3007 */
3008 mvmvif->he_ru_2mhz_block = !iter_data.tolerated;
3009}
3010
f7d6ef33
JB		 3011static void iwl_mvm_reset_cca_40mhz_workaround(struct iwl_mvm *mvm,
3012 struct ieee80211_vif *vif)
3013{
3014 struct ieee80211_supported_band *sband;
3015 const struct ieee80211_sta_he_cap *he_cap;
3016
3017 if (vif->type != NL80211_IFTYPE_STATION)
3018 return;
3019
3020 if (!mvm->cca_40mhz_workaround)
3021 return;
3022
3023 /* decrement and check that we reached zero */
3024 mvm->cca_40mhz_workaround--;
3025 if (mvm->cca_40mhz_workaround)
3026 return;
3027
3028 sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ];
3029
3030 sband->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
3031
3032 he_cap = ieee80211_get_he_iftype_cap(sband,
3033 ieee80211_vif_type_p2p(vif));
3034
3035 if (he_cap) {
3036 /* we know that ours is writable */
3037 struct ieee80211_sta_he_cap *he = (void *)he_cap;
3038
3039 he->he_cap_elem.phy_cap_info[0] |=
3040 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G;
3041 }
3042}
3043
8ca151b5
JB		 3044static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw,
3045 struct ieee80211_vif *vif,
3046 struct ieee80211_sta *sta,
3047 enum ieee80211_sta_state old_state,
3048 enum ieee80211_sta_state new_state)
3049{
3050 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3051 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
6ea29ce5 3052 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta);
8ca151b5
JB		 3053 int ret;
3054
3055 IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n",
3056 sta->addr, old_state, new_state);
3057
3058 /* this would be a mac80211 bug ... but don't crash */
3059 if (WARN_ON_ONCE(!mvmvif->phy_ctxt))
fe56d05e 3060 return test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status) ? 0 : -EINVAL;
8ca151b5 3061
24afba76
LK		 3062 /*
3063 * If we are in a STA removal flow and in DQA mode:
3064 *
3065 * This is after the sync_rcu part, so the queues have already been
3066 * flushed. No more TXs on their way in mac80211's path, and no more in
3067 * the queues.
3068 * Also, we won't be getting any new TX frames for this station.
3069 * What we might have are deferred TX frames that need to be taken care
3070 * of.
3071 *
3072 * Drop any still-queued deferred-frame before removing the STA, and
3073 * make sure the worker is no longer handling frames for this STA.
3074 */
3075 if (old_state == IEEE80211_STA_NONE &&
c8f54701 3076 new_state == IEEE80211_STA_NOTEXIST) {
24afba76
LK		 3077 flush_work(&mvm->add_stream_wk);
3078
3079 /*
3080 * No need to make sure deferred TX indication is off since the
3081 * worker will already remove it if it was on
3082 */
f7d6ef33
JB		 3083
3084 /*
3085 * Additionally, reset the 40 MHz capability if we disconnected
3086 * from the AP now.
3087 */
3088 iwl_mvm_reset_cca_40mhz_workaround(mvm, vif);
24afba76
LK		 3089 }
3090
8ca151b5 3091 mutex_lock(&mvm->mutex);
6ea29ce5 3092 /* track whether or not the station is associated */
d94c5a82 3093 mvm_sta->sta_state = new_state;
6ea29ce5 3094
8ca151b5
JB		 3095 if (old_state == IEEE80211_STA_NOTEXIST &&
3096 new_state == IEEE80211_STA_NONE) {
48bc1307
JB		 3097 /*
3098 * Firmware bug - it'll crash if the beacon interval is less
3099 * than 16. We can't avoid connecting at all, so refuse the
3100 * station state change, this will cause mac80211 to abandon
3101 * attempts to connect to this AP, and eventually wpa_s will
cdaba917 3102 * blocklist the AP...
48bc1307
JB		 3103 */
3104 if (vif->type == NL80211_IFTYPE_STATION &&
3105 vif->bss_conf.beacon_int < 16) {
3106 IWL_ERR(mvm,
3107 "AP %pM beacon interval is %d, refusing due to firmware bug!\n",
3108 sta->addr, vif->bss_conf.beacon_int);
3109 ret = -EINVAL;
3110 goto out_unlock;
3111 }
cf7b491d 3112
97cc1694
AS		 3113 if (vif->type == NL80211_IFTYPE_STATION)
3114 vif->bss_conf.he_support = sta->he_cap.has_he;
3115
cf7b491d
AN		 3116 if (sta->tdls &&
3117 (vif->p2p ||
fa3d07e4
AN		 3118 iwl_mvm_tdls_sta_count(mvm, NULL) ==
3119 IWL_MVM_TDLS_STA_COUNT ||
cf7b491d
AN		 3120 iwl_mvm_phy_ctx_count(mvm) > 1)) {
3121 IWL_DEBUG_MAC80211(mvm, "refusing TDLS sta\n");
3122 ret = -EBUSY;
3123 goto out_unlock;
3124 }
3125
8ca151b5 3126 ret = iwl_mvm_add_sta(mvm, vif, sta);
1e8f1329 3127 if (sta->tdls && ret == 0) {
fa3d07e4 3128 iwl_mvm_recalc_tdls_state(mvm, vif, true);
1e8f1329
GBA		 3129 iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr,
3130 NL80211_TDLS_SETUP);
3131 }
438af969
SS		 3132
3133 sta->max_rc_amsdu_len = 1;
8ca151b5
JB		 3134 } else if (old_state == IEEE80211_STA_NONE &&
3135 new_state == IEEE80211_STA_AUTH) {
e820c2da
HD		 3136 /*
3137 * EBS may be disabled due to previous failures reported by FW.
3138 * Reset EBS status here assuming environment has been changed.
3139 */
3140 mvm->last_ebs_successful = true;
bd1ba664 3141 iwl_mvm_check_uapsd(mvm, vif, sta->addr);
8ca151b5
JB		 3142 ret = 0;
3143 } else if (old_state == IEEE80211_STA_AUTH &&
3144 new_state == IEEE80211_STA_ASSOC) {
8be30c13 3145 if (vif->type == NL80211_IFTYPE_AP) {
9394662a 3146 vif->bss_conf.he_support = sta->he_cap.has_he;
8be30c13
AB		 3147 mvmvif->ap_assoc_sta_count++;
3148 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
02221a81
ST		 3149 if (vif->bss_conf.he_support &&
3150 !iwlwifi_mod_params.disable_11ax)
3151 iwl_mvm_cfg_he_sta(mvm, vif, mvm_sta->sta_id);
9394662a
LK		 3152 } else if (vif->type == NL80211_IFTYPE_STATION) {
3153 vif->bss_conf.he_support = sta->he_cap.has_he;
4f58121d
IP		 3154
3155 mvmvif->he_ru_2mhz_block = false;
3156 if (sta->he_cap.has_he)
3157 iwl_mvm_check_he_obss_narrow_bw_ru(hw, vif);
3158
9394662a 3159 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
8be30c13 3160 }
735a0045 3161
3baf7528
AS		 3162 iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band,
3163 false);
7a453973 3164 ret = iwl_mvm_update_sta(mvm, vif, sta);
8ca151b5
JB		 3165 } else if (old_state == IEEE80211_STA_ASSOC &&
3166 new_state == IEEE80211_STA_AUTHORIZED) {
475c6bde 3167 ret = 0;
f59e0e3c
AN		 3168
3169 /* we don't support TDLS during DCM */
3170 if (iwl_mvm_phy_ctx_count(mvm) > 1)
3171 iwl_mvm_teardown_tdls_peers(mvm);
3172
1e8f1329
GBA		 3173 if (sta->tdls)
3174 iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr,
3175 NL80211_TDLS_ENABLE_LINK);
3176
7df15b1e 3177 /* enable beacon filtering */
fa7b2e7f 3178 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0));
6b7a5aea 3179
50f56044
IP		 3180 /*
3181 * Now that the station is authorized, i.e., keys were already
3182 * installed, need to indicate to the FW that
3183 * multicast data frames can be forwarded to the driver
3184 */
3185 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
3186
3baf7528
AS		 3187 iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band,
3188 true);
8ca151b5
JB		 3189 } else if (old_state == IEEE80211_STA_AUTHORIZED &&
3190 new_state == IEEE80211_STA_ASSOC) {
50f56044
IP		 3191 /* Multicast data frames are no longer allowed */
3192 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
3193
7df15b1e 3194 /* disable beacon filtering */
69e508b4
IP		 3195 ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0);
3196 WARN_ON(ret &&
3197 !test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED,
3198 &mvm->status));
8ca151b5
JB		 3199 ret = 0;
3200 } else if (old_state == IEEE80211_STA_ASSOC &&
3201 new_state == IEEE80211_STA_AUTH) {
8be30c13
AB		 3202 if (vif->type == NL80211_IFTYPE_AP) {
3203 mvmvif->ap_assoc_sta_count--;
3204 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
3205 }
8ca151b5
JB		 3206 ret = 0;
3207 } else if (old_state == IEEE80211_STA_AUTH &&
3208 new_state == IEEE80211_STA_NONE) {
3209 ret = 0;
3210 } else if (old_state == IEEE80211_STA_NONE &&
3211 new_state == IEEE80211_STA_NOTEXIST) {
3212 ret = iwl_mvm_rm_sta(mvm, vif, sta);
1e8f1329 3213 if (sta->tdls) {
fa3d07e4 3214 iwl_mvm_recalc_tdls_state(mvm, vif, false);
1e8f1329
GBA		 3215 iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr,
3216 NL80211_TDLS_DISABLE_LINK);
3217 }
34a880d8 3218
44135b7c
IP		 3219 if (unlikely(ret &&
3220 test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED,
3221 &mvm->status)))
3222 ret = 0;
8ca151b5
JB		 3223 } else {
3224 ret = -EIO;
3225 }
48bc1307 3226 out_unlock:
8ca151b5
JB		 3227 mutex_unlock(&mvm->mutex);
3228
9c126cd6
LK		 3229 if (sta->tdls && ret == 0) {
3230 if (old_state == IEEE80211_STA_NOTEXIST &&
3231 new_state == IEEE80211_STA_NONE)
3232 ieee80211_reserve_tid(sta, IWL_MVM_TDLS_FW_TID);
3233 else if (old_state == IEEE80211_STA_NONE &&
3234 new_state == IEEE80211_STA_NOTEXIST)
3235 ieee80211_unreserve_tid(sta, IWL_MVM_TDLS_FW_TID);
3236 }
3237
8ca151b5
JB		 3238 return ret;
3239}
3240
3241static int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
3242{
3243 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3244
3245 mvm->rts_threshold = value;
3246
3247 return 0;
3248}
3249
1f3b0ff8
LE		 3250static void iwl_mvm_sta_rc_update(struct ieee80211_hw *hw,
3251 struct ieee80211_vif *vif,
3252 struct ieee80211_sta *sta, u32 changed)
3253{
3254 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
dcfe3b10
JB		 3255 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
3256
3257 if (changed & (IEEE80211_RC_BW_CHANGED |
3258 IEEE80211_RC_SUPP_RATES_CHANGED |
3259 IEEE80211_RC_NSS_CHANGED))
3260 iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band,
3261 true);
1f3b0ff8
LE		 3262
3263 if (vif->type == NL80211_IFTYPE_STATION &&
3264 changed & IEEE80211_RC_NSS_CHANGED)
3265 iwl_mvm_sf_update(mvm, vif, false);
3266}
3267
8ca151b5
JB		 3268static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw,
3269 struct ieee80211_vif *vif, u16 ac,
3270 const struct ieee80211_tx_queue_params *params)
3271{
3272 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3273 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
3274
3275 mvmvif->queue_params[ac] = *params;
3276
3277 /*
3278 * No need to update right away, we'll get BSS_CHANGED_QOS
3279 * The exception is P2P_DEVICE interface which needs immediate update.
3280 */
3281 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
3282 int ret;
3283
3284 mutex_lock(&mvm->mutex);
3dfd3a97 3285 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
8ca151b5
JB		 3286 mutex_unlock(&mvm->mutex);
3287 return ret;
3288 }
3289 return 0;
3290}
3291
3292static void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw,
d4e36e55
IP		 3293 struct ieee80211_vif *vif,
3294 u16 req_duration)
8ca151b5
JB		 3295{
3296 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
7c70fee5
SS		 3297 u32 duration = IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS;
3298 u32 min_duration = IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS;
8ca151b5 3299
d4e36e55
IP		 3300 if (req_duration > duration)
3301 duration = req_duration;
3302
8ca151b5 3303 mutex_lock(&mvm->mutex);
fe959c7b
EG		 3304 /* Try really hard to protect the session and hear a beacon
3305 * The new session protection command allows us to protect the
3306 * session for a much longer time since the firmware will internally
3307 * create two events: a 300TU one with a very high priority that
3308 * won't be fragmented which should be enough for 99% of the cases,
3309 * and another one (which we configure here to be 900TU long) which
3310 * will have a slightly lower priority, but more importantly, can be
3311 * fragmented so that it'll allow other activities to run.
3312 */
3313 if (fw_has_capa(&mvm->fw->ucode_capa,
3314 IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD))
3315 iwl_mvm_schedule_session_protection(mvm, vif, 900,
b5b878e3 3316 min_duration, false);
fe959c7b
EG		 3317 else
3318 iwl_mvm_protect_session(mvm, vif, duration,
3319 min_duration, 500, false);
8ca151b5
JB		 3320 mutex_unlock(&mvm->mutex);
3321}
3322
35a000b7
DS		 3323static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw,
3324 struct ieee80211_vif *vif,
3325 struct cfg80211_sched_scan_request *req,
633e2713 3326 struct ieee80211_scan_ies *ies)
35a000b7
DS		 3327{
3328 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
35a000b7 3329
35a000b7 3330 int ret;
4660dfbb 3331
35a000b7
DS		 3332 mutex_lock(&mvm->mutex);
3333
1f940386 3334 if (!vif->bss_conf.idle) {
bd5e4744
DS		 3335 ret = -EBUSY;
3336 goto out;
3337 }
3338
19945dfb 3339 ret = iwl_mvm_sched_scan_start(mvm, vif, req, ies, IWL_MVM_SCAN_SCHED);
d2496221 3340
35a000b7
DS		 3341out:
3342 mutex_unlock(&mvm->mutex);
3343 return ret;
3344}
3345
37e3308c
JB		 3346static int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw,
3347 struct ieee80211_vif *vif)
35a000b7
DS		 3348{
3349 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
33ea27f6 3350 int ret;
35a000b7
DS		 3351
3352 mutex_lock(&mvm->mutex);
e7d3abab
LC		 3353
3354 /* Due to a race condition, it's possible that mac80211 asks
3355 * us to stop a sched_scan when it's already stopped. This
3356 * can happen, for instance, if we stopped the scan ourselves,
3357 * called ieee80211_sched_scan_stopped() and the userspace called
3358 * stop sched scan scan before ieee80211_sched_scan_stopped_work()
3359 * could run. To handle this, simply return if the scan is
3360 * not running.
3361 */
262888fc 3362 if (!(mvm->scan_status & IWL_MVM_SCAN_SCHED)) {
e7d3abab
LC		 3363 mutex_unlock(&mvm->mutex);
3364 return 0;
3365 }
3366
c7d42480 3367 ret = iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, false);
35a000b7 3368 mutex_unlock(&mvm->mutex);
33ea27f6 3369 iwl_mvm_wait_for_async_handlers(mvm);
37e3308c 3370
33ea27f6 3371 return ret;
35a000b7
DS		 3372}
3373
6569e7d3
JB		 3374static int __iwl_mvm_mac_set_key(struct ieee80211_hw *hw,
3375 enum set_key_cmd cmd,
3376 struct ieee80211_vif *vif,
3377 struct ieee80211_sta *sta,
3378 struct ieee80211_key_conf *key)
8ca151b5 3379{
c56e00a3 3380 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
8ca151b5 3381 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
f5e28eac
JB		 3382 struct iwl_mvm_sta *mvmsta;
3383 struct iwl_mvm_key_pn *ptk_pn;
3384 int keyidx = key->keyidx;
c56e00a3 3385 int ret, i;
d6ee54a9 3386 u8 key_offset;
8ca151b5 3387
8ca151b5
JB		 3388 switch (key->cipher) {
3389 case WLAN_CIPHER_SUITE_TKIP:
286ca8eb 3390 if (!mvm->trans->trans_cfg->gen2) {
7f768ad5
DS		 3391 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
3392 key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE;
3393 } else if (vif->type == NL80211_IFTYPE_STATION) {
3394 key->flags |= IEEE80211_KEY_FLAG_PUT_MIC_SPACE;
3395 } else {
3396 IWL_DEBUG_MAC80211(mvm, "Use SW encryption for TKIP\n");
3397 return -EOPNOTSUPP;
3398 }
8ca151b5 3399 break;
ca8c0f4b 3400 case WLAN_CIPHER_SUITE_CCMP:
2a53d166
AB		 3401 case WLAN_CIPHER_SUITE_GCMP:
3402 case WLAN_CIPHER_SUITE_GCMP_256:
85aeb58c
DS		 3403 if (!iwl_mvm_has_new_tx_api(mvm))
3404 key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE;
ca8c0f4b 3405 break;
8ca151b5 3406 case WLAN_CIPHER_SUITE_AES_CMAC:
8e160ab8
AB		 3407 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
3408 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
30686bf7 3409 WARN_ON_ONCE(!ieee80211_hw_check(hw, MFP_CAPABLE));
8ca151b5
JB		 3410 break;
3411 case WLAN_CIPHER_SUITE_WEP40:
3412 case WLAN_CIPHER_SUITE_WEP104:
475c6bde
JB		 3413 if (vif->type == NL80211_IFTYPE_STATION)
3414 break;
3415 if (iwl_mvm_has_new_tx_api(mvm))
3416 return -EOPNOTSUPP;
3417 /* support HW crypto on TX */
3418 return 0;
8ca151b5 3419 default:
e36e5433
MS		 3420 /* currently FW supports only one optional cipher scheme */
3421 if (hw->n_cipher_schemes &&
3422 hw->cipher_schemes->cipher == key->cipher)
3423 key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE;
3424 else
3425 return -EOPNOTSUPP;
8ca151b5
JB		 3426 }
3427
8ca151b5
JB		 3428 switch (cmd) {
3429 case SET_KEY:
5023d966
JB		 3430 if ((vif->type == NL80211_IFTYPE_ADHOC ||
3431 vif->type == NL80211_IFTYPE_AP) && !sta) {
3432 /*
3433 * GTK on AP interface is a TX-only key, return 0;
3434 * on IBSS they're per-station and because we're lazy
3435 * we don't support them for RX, so do the same.
8e160ab8 3436 * CMAC/GMAC in AP/IBSS modes must be done in software.
5023d966 3437 */
8e160ab8
AB		 3438 if (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC ||
3439 key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 ||
a1c2ff30 3440 key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256) {
81279c49 3441 ret = -EOPNOTSUPP;
a1c2ff30
AO		 3442 break;
3443 }
85aeb58c
DS		 3444
3445 if (key->cipher != WLAN_CIPHER_SUITE_GCMP &&
3446 key->cipher != WLAN_CIPHER_SUITE_GCMP_256 &&
3447 !iwl_mvm_has_new_tx_api(mvm)) {
3448 key->hw_key_idx = STA_KEY_IDX_INVALID;
a1c2ff30 3449 ret = 0;
85aeb58c
DS		 3450 break;
3451 }
c56e00a3
JB		 3452
3453 if (!mvmvif->ap_ibss_active) {
3454 for (i = 0;
3455 i < ARRAY_SIZE(mvmvif->ap_early_keys);
3456 i++) {
3457 if (!mvmvif->ap_early_keys[i]) {
3458 mvmvif->ap_early_keys[i] = key;
3459 break;
3460 }
3461 }
3462
3463 if (i >= ARRAY_SIZE(mvmvif->ap_early_keys))
3464 ret = -ENOSPC;
a1c2ff30
AO		 3465 else
3466 ret = 0;
c56e00a3
JB		 3467
3468 break;
3469 }
6caffd4f
JB		 3470 }
3471
b546dcd6
JB		 3472 /* During FW restart, in order to restore the state as it was,
3473 * don't try to reprogram keys we previously failed for.
3474 */
3475 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) &&
3476 key->hw_key_idx == STA_KEY_IDX_INVALID) {
3477 IWL_DEBUG_MAC80211(mvm,
3478 "skip invalid idx key programming during restart\n");
3479 ret = 0;
3480 break;
3481 }
3482
f5e28eac
JB		 3483 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) &&
3484 sta && iwl_mvm_has_new_rx_api(mvm) &&
3485 key->flags & IEEE80211_KEY_FLAG_PAIRWISE &&
3486 (key->cipher == WLAN_CIPHER_SUITE_CCMP ||
2a53d166
AB		 3487 key->cipher == WLAN_CIPHER_SUITE_GCMP ||
3488 key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) {
f5e28eac
JB		 3489 struct ieee80211_key_seq seq;
3490 int tid, q;
3491
3492 mvmsta = iwl_mvm_sta_from_mac80211(sta);
3493 WARN_ON(rcu_access_pointer(mvmsta->ptk_pn[keyidx]));
acafe7e3
KC		 3494 ptk_pn = kzalloc(struct_size(ptk_pn, q,
3495 mvm->trans->num_rx_queues),
f5e28eac
JB		 3496 GFP_KERNEL);
3497 if (!ptk_pn) {
3498 ret = -ENOMEM;
3499 break;
3500 }
3501
3502 for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) {
3503 ieee80211_get_key_rx_seq(key, tid, &seq);
3504 for (q = 0; q < mvm->trans->num_rx_queues; q++)
3505 memcpy(ptk_pn->q[q].pn[tid],
3506 seq.ccmp.pn,
3507 IEEE80211_CCMP_PN_LEN);
3508 }
3509
3510 rcu_assign_pointer(mvmsta->ptk_pn[keyidx], ptk_pn);
3511 }
3512
d6ee54a9
LC		 3513 /* in HW restart reuse the index, otherwise request a new one */
3514 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
3515 key_offset = key->hw_key_idx;
3516 else
3517 key_offset = STA_KEY_IDX_INVALID;
3518
8ca151b5 3519 IWL_DEBUG_MAC80211(mvm, "set hwcrypto key\n");
d6ee54a9 3520 ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, key_offset);
8ca151b5
JB		 3521 if (ret) {
3522 IWL_WARN(mvm, "set key failed\n");
475c6bde 3523 key->hw_key_idx = STA_KEY_IDX_INVALID;
8ca151b5
JB		 3524 /*
3525 * can't add key for RX, but we don't need it
475c6bde
JB		 3526 * in the device for TX so still return 0,
3527 * unless we have new TX API where we cannot
3528 * put key material into the TX_CMD
8ca151b5 3529 */
475c6bde
JB		 3530 if (iwl_mvm_has_new_tx_api(mvm))
3531 ret = -EOPNOTSUPP;
3532 else
3533 ret = 0;
8ca151b5
JB		 3534 }
3535
3536 break;
3537 case DISABLE_KEY:
c56e00a3
JB		 3538 ret = -ENOENT;
3539 for (i = 0; i < ARRAY_SIZE(mvmvif->ap_early_keys); i++) {
3540 if (mvmvif->ap_early_keys[i] == key) {
3541 mvmvif->ap_early_keys[i] = NULL;
3542 ret = 0;
3543 }
3544 }
3545
3546 /* found in pending list - don't do anything else */
3547 if (ret == 0)
3548 break;
3549
6caffd4f
JB		 3550 if (key->hw_key_idx == STA_KEY_IDX_INVALID) {
3551 ret = 0;
3552 break;
3553 }
3554
f5e28eac
JB		 3555 if (sta && iwl_mvm_has_new_rx_api(mvm) &&
3556 key->flags & IEEE80211_KEY_FLAG_PAIRWISE &&
3557 (key->cipher == WLAN_CIPHER_SUITE_CCMP ||
2a53d166
AB		 3558 key->cipher == WLAN_CIPHER_SUITE_GCMP ||
3559 key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) {
f5e28eac
JB		 3560 mvmsta = iwl_mvm_sta_from_mac80211(sta);
3561 ptk_pn = rcu_dereference_protected(
3562 mvmsta->ptk_pn[keyidx],
3563 lockdep_is_held(&mvm->mutex));
3564 RCU_INIT_POINTER(mvmsta->ptk_pn[keyidx], NULL);
3565 if (ptk_pn)
3566 kfree_rcu(ptk_pn, rcu_head);
3567 }
3568
8ca151b5
JB		 3569 IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n");
3570 ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key);
3571 break;
3572 default:
3573 ret = -EINVAL;
3574 }
3575
6569e7d3
JB		 3576 return ret;
3577}
3578
3579static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw,
3580 enum set_key_cmd cmd,
3581 struct ieee80211_vif *vif,
3582 struct ieee80211_sta *sta,
3583 struct ieee80211_key_conf *key)
3584{
3585 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3586 int ret;
3587
3588 mutex_lock(&mvm->mutex);
3589 ret = __iwl_mvm_mac_set_key(hw, cmd, vif, sta, key);
8ca151b5 3590 mutex_unlock(&mvm->mutex);
6569e7d3 3591
8ca151b5
JB		 3592 return ret;
3593}
3594
3595static void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw,
3596 struct ieee80211_vif *vif,
3597 struct ieee80211_key_conf *keyconf,
3598 struct ieee80211_sta *sta,
3599 u32 iv32, u16 *phase1key)
3600{
3601 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3602
5023d966
JB		 3603 if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID)
3604 return;
3605
8ca151b5
JB		 3606 iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key);
3607}
3608
3609
b112889c
AM		 3610static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data *notif_wait,
3611 struct iwl_rx_packet *pkt, void *data)
3612{
3613 struct iwl_mvm *mvm =
3614 container_of(notif_wait, struct iwl_mvm, notif_wait);
3615 struct iwl_hs20_roc_res *resp;
3616 int resp_len = iwl_rx_packet_payload_len(pkt);
3617 struct iwl_mvm_time_event_data *te_data = data;
3618
3619 if (WARN_ON(pkt->hdr.cmd != HOT_SPOT_CMD))
3620 return true;
3621
3622 if (WARN_ON_ONCE(resp_len != sizeof(*resp))) {
3623 IWL_ERR(mvm, "Invalid HOT_SPOT_CMD response\n");
3624 return true;
3625 }
3626
3627 resp = (void *)pkt->data;
3628
3629 IWL_DEBUG_TE(mvm,
b71a9c35 3630 "Aux ROC: Received response from ucode: status=%d uid=%d\n",
b112889c
AM		 3631 resp->status, resp->event_unique_id);
3632
3633 te_data->uid = le32_to_cpu(resp->event_unique_id);
3634 IWL_DEBUG_TE(mvm, "TIME_EVENT_CMD response - UID = 0x%x\n",
3635 te_data->uid);
3636
3637 spin_lock_bh(&mvm->time_event_lock);
3638 list_add_tail(&te_data->list, &mvm->aux_roc_te_list);
3639 spin_unlock_bh(&mvm->time_event_lock);
3640
3641 return true;
3642}
3643
dc28e12f
MG		 3644#define AUX_ROC_MIN_DURATION MSEC_TO_TU(100)
3645#define AUX_ROC_MIN_DELAY MSEC_TO_TU(200)
3646#define AUX_ROC_MAX_DELAY MSEC_TO_TU(600)
3647#define AUX_ROC_SAFETY_BUFFER MSEC_TO_TU(20)
3648#define AUX_ROC_MIN_SAFETY_BUFFER MSEC_TO_TU(10)
b112889c
AM		 3649static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm,
3650 struct ieee80211_channel *channel,
3651 struct ieee80211_vif *vif,
3652 int duration)
3653{
afc1e3b4 3654 int res;
b112889c
AM		 3655 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
3656 struct iwl_mvm_time_event_data *te_data = &mvmvif->hs_time_event_data;
6eb031d2 3657 static const u16 time_event_response[] = { HOT_SPOT_CMD };
b112889c 3658 struct iwl_notification_wait wait_time_event;
dc28e12f
MG		 3659 u32 dtim_interval = vif->bss_conf.dtim_period *
3660 vif->bss_conf.beacon_int;
3661 u32 req_dur, delay;
b112889c
AM		 3662 struct iwl_hs20_roc_req aux_roc_req = {
3663 .action = cpu_to_le32(FW_CTXT_ACTION_ADD),
3664 .id_and_color =
3665 cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX, 0)),
3666 .sta_id_and_color = cpu_to_le32(mvm->aux_sta.sta_id),
57e861d9
DS		 3667 };
3668 struct iwl_hs20_roc_req_tail *tail = iwl_mvm_chan_info_cmd_tail(mvm,
3669 &aux_roc_req.channel_info);
3670 u16 len = sizeof(aux_roc_req) - iwl_mvm_chan_info_padding(mvm);
3671
3672 /* Set the channel info data */
3673 iwl_mvm_set_chan_info(mvm, &aux_roc_req.channel_info, channel->hw_value,
3717f91a 3674 iwl_mvm_phy_band_from_nl80211(channel->band),
57e861d9
DS		 3675 PHY_VHT_CHANNEL_MODE20,
3676 0);
3677
3678 /* Set the time and duration */
afc1e3b4 3679 tail->apply_time = cpu_to_le32(iwl_mvm_get_systime(mvm));
b112889c 3680
dc28e12f
MG		 3681 delay = AUX_ROC_MIN_DELAY;
3682 req_dur = MSEC_TO_TU(duration);
3683
3684 /*
3685 * If we are associated we want the delay time to be at least one
3686 * dtim interval so that the FW can wait until after the DTIM and
3687 * then start the time event, this will potentially allow us to
3688 * remain off-channel for the max duration.
3689 * Since we want to use almost a whole dtim interval we would also
3690 * like the delay to be for 2-3 dtim intervals, in case there are
3691 * other time events with higher priority.
3692 */
3693 if (vif->bss_conf.assoc) {
3694 delay = min_t(u32, dtim_interval * 3, AUX_ROC_MAX_DELAY);
3695 /* We cannot remain off-channel longer than the DTIM interval */
3696 if (dtim_interval <= req_dur) {
3697 req_dur = dtim_interval - AUX_ROC_SAFETY_BUFFER;
3698 if (req_dur <= AUX_ROC_MIN_DURATION)
3699 req_dur = dtim_interval -
3700 AUX_ROC_MIN_SAFETY_BUFFER;
3701 }
3702 }
3703
57e861d9
DS		 3704 tail->duration = cpu_to_le32(req_dur);
3705 tail->apply_time_max_delay = cpu_to_le32(delay);
dc28e12f
MG		 3706
3707 IWL_DEBUG_TE(mvm,
903b3f9b
EG		 3708 "ROC: Requesting to remain on channel %u for %ums\n",
3709 channel->hw_value, req_dur);
3710 IWL_DEBUG_TE(mvm,
3711 "\t(requested = %ums, max_delay = %ums, dtim_interval = %ums)\n",
3712 duration, delay, dtim_interval);
3713
b112889c 3714 /* Set the node address */
57e861d9 3715 memcpy(tail->node_addr, vif->addr, ETH_ALEN);
b112889c 3716
a6cc5163
MG		 3717 lockdep_assert_held(&mvm->mutex);
3718
3719 spin_lock_bh(&mvm->time_event_lock);
3720
3721 if (WARN_ON(te_data->id == HOT_SPOT_CMD)) {
3722 spin_unlock_bh(&mvm->time_event_lock);
3723 return -EIO;
3724 }
3725
b112889c
AM		 3726 te_data->vif = vif;
3727 te_data->duration = duration;
3728 te_data->id = HOT_SPOT_CMD;
3729
b112889c
AM		 3730 spin_unlock_bh(&mvm->time_event_lock);
3731
3732 /*
3733 * Use a notification wait, which really just processes the
3734 * command response and doesn't wait for anything, in order
3735 * to be able to process the response and get the UID inside
3736 * the RX path. Using CMD_WANT_SKB doesn't work because it
3737 * stores the buffer and then wakes up this thread, by which
3738 * time another notification (that the time event started)
3739 * might already be processed unsuccessfully.
3740 */
3741 iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event,
3742 time_event_response,
3743 ARRAY_SIZE(time_event_response),
3744 iwl_mvm_rx_aux_roc, te_data);
3745
57e861d9 3746 res = iwl_mvm_send_cmd_pdu(mvm, HOT_SPOT_CMD, 0, len,
b112889c
AM		 3747 &aux_roc_req);
3748
3749 if (res) {
3750 IWL_ERR(mvm, "Couldn't send HOT_SPOT_CMD: %d\n", res);
3751 iwl_remove_notification(&mvm->notif_wait, &wait_time_event);
3752 goto out_clear_te;
3753 }
3754
3755 /* No need to wait for anything, so just pass 1 (0 isn't valid) */
3756 res = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1);
3757 /* should never fail */
3758 WARN_ON_ONCE(res);
3759
3760 if (res) {
3761 out_clear_te:
3762 spin_lock_bh(&mvm->time_event_lock);
3763 iwl_mvm_te_clear_data(mvm, te_data);
3764 spin_unlock_bh(&mvm->time_event_lock);
3765 }
3766
3767 return res;
3768}
3769
8ca151b5
JB		 3770static int iwl_mvm_roc(struct ieee80211_hw *hw,
3771 struct ieee80211_vif *vif,
3772 struct ieee80211_channel *channel,
d339d5ca
IP		 3773 int duration,
3774 enum ieee80211_roc_type type)
8ca151b5
JB		 3775{
3776 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
fe0f2de3 3777 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
8ca151b5 3778 struct cfg80211_chan_def chandef;
31d385ae
IP		 3779 struct iwl_mvm_phy_ctxt *phy_ctxt;
3780 int ret, i;
3781
3782 IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value,
3783 duration, type);
8ca151b5 3784
9834781c
JB		 3785 /*
3786 * Flush the done work, just in case it's still pending, so that
3787 * the work it does can complete and we can accept new frames.
3788 */
6ed13164
MG		 3789 flush_work(&mvm->roc_done_wk);
3790
a6cc5163
MG		 3791 mutex_lock(&mvm->mutex);
3792
b112889c
AM		 3793 switch (vif->type) {
3794 case NL80211_IFTYPE_STATION:
859d914c
JB		 3795 if (fw_has_capa(&mvm->fw->ucode_capa,
3796 IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT)) {
5ac6c72e 3797 /* Use aux roc framework (HS20) */
2c2c3647
NE		 3798 if (iwl_fw_lookup_cmd_ver(mvm->fw, LONG_GROUP,
3799 ADD_STA, 0) >= 12) {
3800 u32 lmac_id;
3801
3802 lmac_id = iwl_mvm_get_lmac_id(mvm->fw,
3803 channel->band);
3804 ret = iwl_mvm_add_aux_sta(mvm, lmac_id);
3805 if (WARN(ret,
3806 "Failed to allocate aux station"))
3807 goto out_unlock;
3808 }
5ac6c72e
LC		 3809 ret = iwl_mvm_send_aux_roc_cmd(mvm, channel,
3810 vif, duration);
3811 goto out_unlock;
3812 }
3813 IWL_ERR(mvm, "hotspot not supported\n");
3814 ret = -EINVAL;
a6cc5163 3815 goto out_unlock;
b112889c
AM		 3816 case NL80211_IFTYPE_P2P_DEVICE:
3817 /* handle below */
3818 break;
3819 default:
3820 IWL_ERR(mvm, "vif isn't P2P_DEVICE: %d\n", vif->type);
a6cc5163
MG		 3821 ret = -EINVAL;
3822 goto out_unlock;
8ca151b5
JB		 3823 }
3824
31d385ae
IP		 3825 for (i = 0; i < NUM_PHY_CTX; i++) {
3826 phy_ctxt = &mvm->phy_ctxts[i];
3827 if (phy_ctxt->ref == 0 || mvmvif->phy_ctxt == phy_ctxt)
3828 continue;
3829
3830 if (phy_ctxt->ref && channel == phy_ctxt->channel) {
3831 /*
3832 * Unbind the P2P_DEVICE from the current PHY context,
3833 * and if the PHY context is not used remove it.
3834 */
3835 ret = iwl_mvm_binding_remove_vif(mvm, vif);
3836 if (WARN(ret, "Failed unbinding P2P_DEVICE\n"))
3837 goto out_unlock;
3838
3839 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
3840
3841 /* Bind the P2P_DEVICE to the current PHY Context */
3842 mvmvif->phy_ctxt = phy_ctxt;
3843
3844 ret = iwl_mvm_binding_add_vif(mvm, vif);
3845 if (WARN(ret, "Failed binding P2P_DEVICE\n"))
3846 goto out_unlock;
3847
3848 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
3849 goto schedule_time_event;
3850 }
3851 }
3852
3853 /* Need to update the PHY context only if the ROC channel changed */
3854 if (channel == mvmvif->phy_ctxt->channel)
3855 goto schedule_time_event;
3856
8ca151b5 3857 cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT);
8ca151b5 3858
31d385ae
IP		 3859 /*
3860 * Change the PHY context configuration as it is currently referenced
3861 * only by the P2P Device MAC
3862 */
3863 if (mvmvif->phy_ctxt->ref == 1) {
3864 ret = iwl_mvm_phy_ctxt_changed(mvm, mvmvif->phy_ctxt,
3865 &chandef, 1, 1);
3866 if (ret)
3867 goto out_unlock;
3868 } else {
3869 /*
3870 * The PHY context is shared with other MACs. Need to remove the
3871 * P2P Device from the binding, allocate an new PHY context and
3872 * create a new binding
3873 */
3874 phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
3875 if (!phy_ctxt) {
3876 ret = -ENOSPC;
3877 goto out_unlock;
3878 }
3879
3880 ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &chandef,
3881 1, 1);
3882 if (ret) {
3883 IWL_ERR(mvm, "Failed to change PHY context\n");
3884 goto out_unlock;
3885 }
3886
3887 /* Unbind the P2P_DEVICE from the current PHY context */
3888 ret = iwl_mvm_binding_remove_vif(mvm, vif);
3889 if (WARN(ret, "Failed unbinding P2P_DEVICE\n"))
3890 goto out_unlock;
3891
3892 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
3893
3894 /* Bind the P2P_DEVICE to the new allocated PHY context */
3895 mvmvif->phy_ctxt = phy_ctxt;
3896
3897 ret = iwl_mvm_binding_add_vif(mvm, vif);
3898 if (WARN(ret, "Failed binding P2P_DEVICE\n"))
3899 goto out_unlock;
3900
3901 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
3902 }
3903
3904schedule_time_event:
8ca151b5 3905 /* Schedule the time events */
e635c797 3906 ret = iwl_mvm_start_p2p_roc(mvm, vif, duration, type);
8ca151b5 3907
31d385ae 3908out_unlock:
8ca151b5
JB		 3909 mutex_unlock(&mvm->mutex);
3910 IWL_DEBUG_MAC80211(mvm, "leave\n");
8ca151b5
JB		 3911 return ret;
3912}
3913
5db4c4b9
EG		 3914static int iwl_mvm_cancel_roc(struct ieee80211_hw *hw,
3915 struct ieee80211_vif *vif)
8ca151b5
JB		 3916{
3917 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3918
3919 IWL_DEBUG_MAC80211(mvm, "enter\n");
3920
3921 mutex_lock(&mvm->mutex);
fe959c7b 3922 iwl_mvm_stop_roc(mvm, vif);
8ca151b5
JB		 3923 mutex_unlock(&mvm->mutex);
3924
3925 IWL_DEBUG_MAC80211(mvm, "leave\n");
3926 return 0;
3927}
3928
b73f9a4a
JB		 3929struct iwl_mvm_ftm_responder_iter_data {
3930 bool responder;
3931 struct ieee80211_chanctx_conf *ctx;
3932};
3933
3934static void iwl_mvm_ftm_responder_chanctx_iter(void *_data, u8 *mac,
3935 struct ieee80211_vif *vif)
3936{
3937 struct iwl_mvm_ftm_responder_iter_data *data = _data;
3938
3939 if (rcu_access_pointer(vif->chanctx_conf) == data->ctx &&
3940 vif->type == NL80211_IFTYPE_AP && vif->bss_conf.ftmr_params)
3941 data->responder = true;
3942}
3943
3944static bool iwl_mvm_is_ftm_responder_chanctx(struct iwl_mvm *mvm,
3945 struct ieee80211_chanctx_conf *ctx)
3946{
3947 struct iwl_mvm_ftm_responder_iter_data data = {
3948 .responder = false,
3949 .ctx = ctx,
3950 };
3951
3952 ieee80211_iterate_active_interfaces_atomic(mvm->hw,
3953 IEEE80211_IFACE_ITER_NORMAL,
3954 iwl_mvm_ftm_responder_chanctx_iter,
3955 &data);
3956 return data.responder;
3957}
3958
b08c1d97
LC		 3959static int __iwl_mvm_add_chanctx(struct iwl_mvm *mvm,
3960 struct ieee80211_chanctx_conf *ctx)
8ca151b5 3961{
fe0f2de3
IP		 3962 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
3963 struct iwl_mvm_phy_ctxt *phy_ctxt;
b73f9a4a
JB		 3964 bool responder = iwl_mvm_is_ftm_responder_chanctx(mvm, ctx);
3965 struct cfg80211_chan_def *def = responder ? &ctx->def : &ctx->min_def;
8ca151b5
JB		 3966 int ret;
3967
b08c1d97
LC		 3968 lockdep_assert_held(&mvm->mutex);
3969
53a9d61e 3970 IWL_DEBUG_MAC80211(mvm, "Add channel context\n");
fe0f2de3 3971
fe0f2de3
IP		 3972 phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
3973 if (!phy_ctxt) {
3974 ret = -ENOSPC;
3975 goto out;
3976 }
8ca151b5 3977
b73f9a4a 3978 ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, def,
53a9d61e
IP		 3979 ctx->rx_chains_static,
3980 ctx->rx_chains_dynamic);
fe0f2de3
IP		 3981 if (ret) {
3982 IWL_ERR(mvm, "Failed to add PHY context\n");
3983 goto out;
3984 }
3985
53a9d61e 3986 iwl_mvm_phy_ctxt_ref(mvm, phy_ctxt);
fe0f2de3
IP		 3987 *phy_ctxt_id = phy_ctxt->id;
3988out:
b08c1d97
LC		 3989 return ret;
3990}
3991
3992static int iwl_mvm_add_chanctx(struct ieee80211_hw *hw,
3993 struct ieee80211_chanctx_conf *ctx)
3994{
3995 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3996 int ret;
3997
3998 mutex_lock(&mvm->mutex);
3999 ret = __iwl_mvm_add_chanctx(mvm, ctx);
8ca151b5 4000 mutex_unlock(&mvm->mutex);
b08c1d97 4001
8ca151b5
JB		 4002 return ret;
4003}
4004
b08c1d97
LC		 4005static void __iwl_mvm_remove_chanctx(struct iwl_mvm *mvm,
4006 struct ieee80211_chanctx_conf *ctx)
4007{
4008 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
4009 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
4010
4011 lockdep_assert_held(&mvm->mutex);
4012
4013 iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt);
4014}
4015
8ca151b5
JB		 4016static void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw,
4017 struct ieee80211_chanctx_conf *ctx)
4018{
4019 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
8ca151b5
JB		 4020
4021 mutex_lock(&mvm->mutex);
b08c1d97 4022 __iwl_mvm_remove_chanctx(mvm, ctx);
8ca151b5
JB		 4023 mutex_unlock(&mvm->mutex);
4024}
4025
4026static void iwl_mvm_change_chanctx(struct ieee80211_hw *hw,
4027 struct ieee80211_chanctx_conf *ctx,
4028 u32 changed)
4029{
4030 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
fe0f2de3
IP		 4031 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
4032 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
b73f9a4a
JB		 4033 bool responder = iwl_mvm_is_ftm_responder_chanctx(mvm, ctx);
4034 struct cfg80211_chan_def *def = responder ? &ctx->def : &ctx->min_def;
8ca151b5 4035
31d385ae
IP		 4036 if (WARN_ONCE((phy_ctxt->ref > 1) &&
4037 (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH |
4038 IEEE80211_CHANCTX_CHANGE_RX_CHAINS |
2dceedae
AN		 4039 IEEE80211_CHANCTX_CHANGE_RADAR |
4040 IEEE80211_CHANCTX_CHANGE_MIN_WIDTH)),
31d385ae
IP		 4041 "Cannot change PHY. Ref=%d, changed=0x%X\n",
4042 phy_ctxt->ref, changed))
4043 return;
4044
8ca151b5 4045 mutex_lock(&mvm->mutex);
7a20bcce
EG		 4046
4047 /* we are only changing the min_width, may be a noop */
4048 if (changed == IEEE80211_CHANCTX_CHANGE_MIN_WIDTH) {
b73f9a4a 4049 if (phy_ctxt->width == def->width)
7a20bcce
EG		 4050 goto out_unlock;
4051
4052 /* we are just toggling between 20_NOHT and 20 */
4053 if (phy_ctxt->width <= NL80211_CHAN_WIDTH_20 &&
b73f9a4a 4054 def->width <= NL80211_CHAN_WIDTH_20)
7a20bcce
EG		 4055 goto out_unlock;
4056 }
4057
4d66449a 4058 iwl_mvm_bt_coex_vif_change(mvm);
b73f9a4a 4059 iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, def,
8ca151b5
JB		 4060 ctx->rx_chains_static,
4061 ctx->rx_chains_dynamic);
7a20bcce
EG		 4062
4063out_unlock:
8ca151b5
JB		 4064 mutex_unlock(&mvm->mutex);
4065}
4066
b08c1d97
LC		 4067static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm,
4068 struct ieee80211_vif *vif,
f0c97783
LC		 4069 struct ieee80211_chanctx_conf *ctx,
4070 bool switching_chanctx)
8ca151b5 4071{
fe0f2de3
IP		 4072 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
4073 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
8ca151b5
JB		 4074 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
4075 int ret;
4076
b08c1d97 4077 lockdep_assert_held(&mvm->mutex);
8ca151b5 4078
fe0f2de3 4079 mvmvif->phy_ctxt = phy_ctxt;
8ca151b5
JB		 4080
4081 switch (vif->type) {
4082 case NL80211_IFTYPE_AP:
4741dd04
LC		 4083 /* only needed if we're switching chanctx (i.e. during CSA) */
4084 if (switching_chanctx) {
bd3398e2
AO		 4085 mvmvif->ap_ibss_active = true;
4086 break;
4087 }
5a2abdca 4088 fallthrough;
5023d966 4089 case NL80211_IFTYPE_ADHOC:
8ca151b5
JB		 4090 /*
4091 * The AP binding flow is handled as part of the start_ap flow
5023d966 4092 * (in bss_info_changed), similarly for IBSS.
8ca151b5
JB		 4093 */
4094 ret = 0;
b08c1d97 4095 goto out;
8ca151b5 4096 case NL80211_IFTYPE_STATION:
19125cb0 4097 mvmvif->csa_bcn_pending = false;
2533edce 4098 break;
8ca151b5 4099 case NL80211_IFTYPE_MONITOR:
2533edce
LC		 4100 /* always disable PS when a monitor interface is active */
4101 mvmvif->ps_disabled = true;
8ca151b5
JB		 4102 break;
4103 default:
4104 ret = -EINVAL;
b08c1d97 4105 goto out;
8ca151b5
JB		 4106 }
4107
4108 ret = iwl_mvm_binding_add_vif(mvm, vif);
4109 if (ret)
b08c1d97 4110 goto out;
8ca151b5
JB		 4111
4112 /*
92d85562
AB		 4113 * Power state must be updated before quotas,
4114 * otherwise fw will complain.
4115 */
999609f1 4116 iwl_mvm_power_update_mac(mvm);
92d85562
AB		 4117
4118 /* Setting the quota at this stage is only required for monitor
8ca151b5
JB		 4119 * interfaces. For the other types, the bss_info changed flow
4120 * will handle quota settings.
4121 */
4122 if (vif->type == NL80211_IFTYPE_MONITOR) {
1e1391ca 4123 mvmvif->monitor_active = true;
7754ae79 4124 ret = iwl_mvm_update_quotas(mvm, false, NULL);
8ca151b5
JB		 4125 if (ret)
4126 goto out_remove_binding;
0e39eb03
CRI		 4127
4128 ret = iwl_mvm_add_snif_sta(mvm, vif);
4129 if (ret)
4130 goto out_remove_binding;
4131
8ca151b5
JB		 4132 }
4133
bd3398e2 4134 /* Handle binding during CSA */
a57c688d 4135 if (vif->type == NL80211_IFTYPE_AP) {
7754ae79 4136 iwl_mvm_update_quotas(mvm, false, NULL);
3dfd3a97 4137 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
bd3398e2
AO		 4138 }
4139
4741dd04 4140 if (switching_chanctx && vif->type == NL80211_IFTYPE_STATION) {
74a10252 4141 mvmvif->csa_bcn_pending = true;
686e7fe1 4142
74a10252
SS		 4143 if (!fw_has_capa(&mvm->fw->ucode_capa,
4144 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) {
4145 u32 duration = 3 * vif->bss_conf.beacon_int;
686e7fe1 4146
74a10252
SS		 4147 /* Protect the session to make sure we hear the first
4148 * beacon on the new channel.
4149 */
4150 iwl_mvm_protect_session(mvm, vif, duration, duration,
4151 vif->bss_conf.beacon_int / 2,
4152 true);
74a10252 4153 }
686e7fe1 4154
7754ae79 4155 iwl_mvm_update_quotas(mvm, false, NULL);
0ce04ce7
LC		 4156 }
4157
b08c1d97 4158 goto out;
8ca151b5 4159
b08c1d97 4160out_remove_binding:
8ca151b5 4161 iwl_mvm_binding_remove_vif(mvm, vif);
999609f1 4162 iwl_mvm_power_update_mac(mvm);
b08c1d97 4163out:
8ca151b5
JB		 4164 if (ret)
4165 mvmvif->phy_ctxt = NULL;
4166 return ret;
4167}
b08c1d97
LC		 4168static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw,
4169 struct ieee80211_vif *vif,
4170 struct ieee80211_chanctx_conf *ctx)
8ca151b5
JB		 4171{
4172 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
b08c1d97 4173 int ret;
8ca151b5
JB		 4174
4175 mutex_lock(&mvm->mutex);
f0c97783 4176 ret = __iwl_mvm_assign_vif_chanctx(mvm, vif, ctx, false);
b08c1d97
LC		 4177 mutex_unlock(&mvm->mutex);
4178
4179 return ret;
4180}
4181
4182static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm,
4183 struct ieee80211_vif *vif,
f0c97783
LC		 4184 struct ieee80211_chanctx_conf *ctx,
4185 bool switching_chanctx)
b08c1d97
LC		 4186{
4187 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
f0c97783 4188 struct ieee80211_vif *disabled_vif = NULL;
b08c1d97
LC		 4189
4190 lockdep_assert_held(&mvm->mutex);
8ca151b5
JB		 4191
4192 iwl_mvm_remove_time_event(mvm, mvmvif, &mvmvif->time_event_data);
4193
8ca151b5 4194 switch (vif->type) {
5023d966 4195 case NL80211_IFTYPE_ADHOC:
b08c1d97 4196 goto out;
8ca151b5 4197 case NL80211_IFTYPE_MONITOR:
1e1391ca 4198 mvmvif->monitor_active = false;
2533edce 4199 mvmvif->ps_disabled = false;
0e39eb03 4200 iwl_mvm_rm_snif_sta(mvm, vif);
8ca151b5 4201 break;
bd3398e2
AO		 4202 case NL80211_IFTYPE_AP:
4203 /* This part is triggered only during CSA */
4741dd04 4204 if (!switching_chanctx || !mvmvif->ap_ibss_active)
b08c1d97 4205 goto out;
bd3398e2 4206
7ef0aab6
AO		 4207 mvmvif->csa_countdown = false;
4208
003e5236
AO		 4209 /* Set CS bit on all the stations */
4210 iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, true);
4211
4212 /* Save blocked iface, the timeout is set on the next beacon */
4213 rcu_assign_pointer(mvm->csa_tx_blocked_vif, vif);
4214
bd3398e2 4215 mvmvif->ap_ibss_active = false;
f0c97783
LC		 4216 break;
4217 case NL80211_IFTYPE_STATION:
4218 if (!switching_chanctx)
4219 break;
4220
4221 disabled_vif = vif;
4222
74a10252
SS		 4223 if (!fw_has_capa(&mvm->fw->ucode_capa,
4224 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD))
4225 iwl_mvm_mac_ctxt_changed(mvm, vif, true, NULL);
f0c97783 4226 break;
8ca151b5
JB		 4227 default:
4228 break;
4229 }
4230
7754ae79 4231 iwl_mvm_update_quotas(mvm, false, disabled_vif);
1e1391ca 4232 iwl_mvm_binding_remove_vif(mvm, vif);
1c2abf72 4233
b08c1d97 4234out:
a11e144e 4235 mvmvif->phy_ctxt = NULL;
999609f1 4236 iwl_mvm_power_update_mac(mvm);
b08c1d97
LC		 4237}
4238
4239static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw,
4240 struct ieee80211_vif *vif,
4241 struct ieee80211_chanctx_conf *ctx)
4242{
4243 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
4244
4245 mutex_lock(&mvm->mutex);
f0c97783 4246 __iwl_mvm_unassign_vif_chanctx(mvm, vif, ctx, false);
8ca151b5
JB		 4247 mutex_unlock(&mvm->mutex);
4248}
4249
50cc9574
LC		 4250static int
4251iwl_mvm_switch_vif_chanctx_swap(struct iwl_mvm *mvm,
4252 struct ieee80211_vif_chanctx_switch *vifs)
b08c1d97 4253{
b08c1d97
LC		 4254 int ret;
4255
b08c1d97 4256 mutex_lock(&mvm->mutex);
f0c97783 4257 __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true);
b08c1d97
LC		 4258 __iwl_mvm_remove_chanctx(mvm, vifs[0].old_ctx);
4259
4260 ret = __iwl_mvm_add_chanctx(mvm, vifs[0].new_ctx);
4261 if (ret) {
4262 IWL_ERR(mvm, "failed to add new_ctx during channel switch\n");
4263 goto out_reassign;
4264 }
4265
f0c97783
LC		 4266 ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx,
4267 true);
b08c1d97
LC		 4268 if (ret) {
4269 IWL_ERR(mvm,
4270 "failed to assign new_ctx during channel switch\n");
4271 goto out_remove;
4272 }
4273
f697267f
AN		 4274 /* we don't support TDLS during DCM - can be caused by channel switch */
4275 if (iwl_mvm_phy_ctx_count(mvm) > 1)
4276 iwl_mvm_teardown_tdls_peers(mvm);
4277
b08c1d97
LC		 4278 goto out;
4279
4280out_remove:
4281 __iwl_mvm_remove_chanctx(mvm, vifs[0].new_ctx);
4282
4283out_reassign:
6fd1fb63 4284 if (__iwl_mvm_add_chanctx(mvm, vifs[0].old_ctx)) {
b08c1d97
LC		 4285 IWL_ERR(mvm, "failed to add old_ctx back after failure.\n");
4286 goto out_restart;
4287 }
4288
6fd1fb63
LC		 4289 if (__iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx,
4290 true)) {
b08c1d97
LC		 4291 IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n");
4292 goto out_restart;
4293 }
4294
4295 goto out;
4296
4297out_restart:
4298 /* things keep failing, better restart the hw */
4299 iwl_mvm_nic_restart(mvm, false);
4300
4301out:
4302 mutex_unlock(&mvm->mutex);
50cc9574
LC		 4303
4304 return ret;
4305}
4306
48a256e8
LC		 4307static int
4308iwl_mvm_switch_vif_chanctx_reassign(struct iwl_mvm *mvm,
4309 struct ieee80211_vif_chanctx_switch *vifs)
4310{
4311 int ret;
4312
4313 mutex_lock(&mvm->mutex);
4314 __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true);
4315
4316 ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx,
4317 true);
4318 if (ret) {
4319 IWL_ERR(mvm,
4320 "failed to assign new_ctx during channel switch\n");
4321 goto out_reassign;
4322 }
4323
4324 goto out;
4325
4326out_reassign:
4327 if (__iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx,
4328 true)) {
4329 IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n");
4330 goto out_restart;
4331 }
4332
4333 goto out;
4334
4335out_restart:
4336 /* things keep failing, better restart the hw */
4337 iwl_mvm_nic_restart(mvm, false);
4338
4339out:
4340 mutex_unlock(&mvm->mutex);
4341
4342 return ret;
4343}
4344
50cc9574
LC		 4345static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw *hw,
4346 struct ieee80211_vif_chanctx_switch *vifs,
4347 int n_vifs,
4348 enum ieee80211_chanctx_switch_mode mode)
4349{
4350 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
4351 int ret;
4352
4353 /* we only support a single-vif right now */
4354 if (n_vifs > 1)
4355 return -EOPNOTSUPP;
4356
4357 switch (mode) {
4358 case CHANCTX_SWMODE_SWAP_CONTEXTS:
4359 ret = iwl_mvm_switch_vif_chanctx_swap(mvm, vifs);
4360 break;
4361 case CHANCTX_SWMODE_REASSIGN_VIF:
48a256e8 4362 ret = iwl_mvm_switch_vif_chanctx_reassign(mvm, vifs);
50cc9574
LC		 4363 break;
4364 default:
4365 ret = -EOPNOTSUPP;
4366 break;
4367 }
4368
b08c1d97
LC		 4369 return ret;
4370}
4371
2f0282db
JB		 4372static int iwl_mvm_tx_last_beacon(struct ieee80211_hw *hw)
4373{
4374 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
4375
4376 return mvm->ibss_manager;
4377}
4378
8ca151b5
JB		 4379static int iwl_mvm_set_tim(struct ieee80211_hw *hw,
4380 struct ieee80211_sta *sta,
4381 bool set)
4382{
4383 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
9d8ce6af 4384 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta);
8ca151b5
JB		 4385
4386 if (!mvm_sta || !mvm_sta->vif) {
4387 IWL_ERR(mvm, "Station is not associated to a vif\n");
4388 return -EINVAL;
4389 }
4390
4391 return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif);
4392}
4393
507cadf2
DS		 4394#ifdef CONFIG_NL80211_TESTMODE
4395static const struct nla_policy iwl_mvm_tm_policy[IWL_MVM_TM_ATTR_MAX + 1] = {
4396 [IWL_MVM_TM_ATTR_CMD] = { .type = NLA_U32 },
4397 [IWL_MVM_TM_ATTR_NOA_DURATION] = { .type = NLA_U32 },
f6c6ad42 4398 [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE] = { .type = NLA_U32 },
507cadf2
DS		 4399};
4400
4401static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm,
4402 struct ieee80211_vif *vif,
4403 void *data, int len)
4404{
4405 struct nlattr *tb[IWL_MVM_TM_ATTR_MAX + 1];
4406 int err;
4407 u32 noa_duration;
4408
8cb08174
JB		 4409 err = nla_parse_deprecated(tb, IWL_MVM_TM_ATTR_MAX, data, len,
4410 iwl_mvm_tm_policy, NULL);
507cadf2
DS		 4411 if (err)
4412 return err;
4413
4414 if (!tb[IWL_MVM_TM_ATTR_CMD])
4415 return -EINVAL;
4416
4417 switch (nla_get_u32(tb[IWL_MVM_TM_ATTR_CMD])) {
4418 case IWL_MVM_TM_CMD_SET_NOA:
4419 if (!vif || vif->type != NL80211_IFTYPE_AP || !vif->p2p ||
4420 !vif->bss_conf.enable_beacon ||
4421 !tb[IWL_MVM_TM_ATTR_NOA_DURATION])
4422 return -EINVAL;
4423
4424 noa_duration = nla_get_u32(tb[IWL_MVM_TM_ATTR_NOA_DURATION]);
4425 if (noa_duration >= vif->bss_conf.beacon_int)
4426 return -EINVAL;
4427
4428 mvm->noa_duration = noa_duration;
4429 mvm->noa_vif = vif;
4430
22b21041 4431 return iwl_mvm_update_quotas(mvm, true, NULL);
f6c6ad42
JB		 4432 case IWL_MVM_TM_CMD_SET_BEACON_FILTER:
4433 /* must be associated client vif - ignore authorized */
4434 if (!vif || vif->type != NL80211_IFTYPE_STATION ||
4435 !vif->bss_conf.assoc || !vif->bss_conf.dtim_period ||
4436 !tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE])
4437 return -EINVAL;
4438
4439 if (nla_get_u32(tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE]))
a1022927
EG		 4440 return iwl_mvm_enable_beacon_filter(mvm, vif, 0);
4441 return iwl_mvm_disable_beacon_filter(mvm, vif, 0);
507cadf2
DS		 4442 }
4443
4444 return -EOPNOTSUPP;
4445}
4446
4447static int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw *hw,
4448 struct ieee80211_vif *vif,
4449 void *data, int len)
4450{
4451 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
4452 int err;
4453
4454 mutex_lock(&mvm->mutex);
4455 err = __iwl_mvm_mac_testmode_cmd(mvm, vif, data, len);
4456 mutex_unlock(&mvm->mutex);
4457
4458 return err;
4459}
4460#endif
4461
622e3f9b
LC		 4462static void iwl_mvm_channel_switch(struct ieee80211_hw *hw,
4463 struct ieee80211_vif *vif,
4464 struct ieee80211_channel_switch *chsw)
4465{
4466 /* By implementing this operation, we prevent mac80211 from
4467 * starting its own channel switch timer, so that we can call
4468 * ieee80211_chswitch_done() ourselves at the right time
4469 * (which is when the absence time event starts).
4470 */
4471
4472 IWL_DEBUG_MAC80211(IWL_MAC80211_GET_MVM(hw),
4473 "dummy channel switch op\n");
4474}
4475
74a10252
SS		 4476static int iwl_mvm_schedule_client_csa(struct iwl_mvm *mvm,
4477 struct ieee80211_vif *vif,
4478 struct ieee80211_channel_switch *chsw)
4479{
4480 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
4481 struct iwl_chan_switch_te_cmd cmd = {
4482 .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id,
4483 mvmvif->color)),
4484 .action = cpu_to_le32(FW_CTXT_ACTION_ADD),
4485 .tsf = cpu_to_le32(chsw->timestamp),
4486 .cs_count = chsw->count,
77738865 4487 .cs_mode = chsw->block_tx,
74a10252
SS		 4488 };
4489
4490 lockdep_assert_held(&mvm->mutex);
4491
9cfcf71c
SS		 4492 if (chsw->delay)
4493 cmd.cs_delayed_bcn_count =
4494 DIV_ROUND_UP(chsw->delay, vif->bss_conf.beacon_int);
4495
74a10252
SS		 4496 return iwl_mvm_send_cmd_pdu(mvm,
4497 WIDE_ID(MAC_CONF_GROUP,
4498 CHANNEL_SWITCH_TIME_EVENT_CMD),
4499 0, sizeof(cmd), &cmd);
4500}
4501
0202bcf0
EG		 4502static int iwl_mvm_old_pre_chan_sw_sta(struct iwl_mvm *mvm,
4503 struct ieee80211_vif *vif,
4504 struct ieee80211_channel_switch *chsw)
4505{
4506 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
4507 u32 apply_time;
4508
4509 /* Schedule the time event to a bit before beacon 1,
4510 * to make sure we're in the new channel when the
4511 * GO/AP arrives. In case count <= 1 immediately schedule the
4512 * TE (this might result with some packet loss or connection
4513 * loss).
4514 */
4515 if (chsw->count <= 1)
4516 apply_time = 0;
4517 else
4518 apply_time = chsw->device_timestamp +
4519 ((vif->bss_conf.beacon_int * (chsw->count - 1) -
4520 IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT) * 1024);
4521
4522 if (chsw->block_tx)
4523 iwl_mvm_csa_client_absent(mvm, vif);
4524
4525 if (mvmvif->bf_data.bf_enabled) {
4526 int ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0);
4527
4528 if (ret)
4529 return ret;
4530 }
4531
4532 iwl_mvm_schedule_csa_period(mvm, vif, vif->bss_conf.beacon_int,
4533 apply_time);
4534
4535 return 0;
4536}
4537
f6780614 4538#define IWL_MAX_CSA_BLOCK_TX 1500
f028905c
LC		 4539static int iwl_mvm_pre_channel_switch(struct ieee80211_hw *hw,
4540 struct ieee80211_vif *vif,
4541 struct ieee80211_channel_switch *chsw)
bd3398e2
AO		 4542{
4543 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
664322fa 4544 struct ieee80211_vif *csa_vif;
f6c34820 4545 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
f028905c 4546 int ret;
bd3398e2
AO		 4547
4548 mutex_lock(&mvm->mutex);
664322fa 4549
81d62d5a
JB		 4550 mvmvif->csa_failed = false;
4551
6b20d774 4552 IWL_DEBUG_MAC80211(mvm, "pre CSA to freq %d\n",
f028905c 4553 chsw->chandef.center_freq1);
6b20d774 4554
7174beb6
JB		 4555 iwl_fw_dbg_trigger_simple_stop(&mvm->fwrt,
4556 ieee80211_vif_to_wdev(vif),
4557 FW_DBG_TRIGGER_CHANNEL_SWITCH);
f35d9c55 4558
6b20d774
LC		 4559 switch (vif->type) {
4560 case NL80211_IFTYPE_AP:
4561 csa_vif =
4562 rcu_dereference_protected(mvm->csa_vif,
4563 lockdep_is_held(&mvm->mutex));
4564 if (WARN_ONCE(csa_vif && csa_vif->csa_active,
4565 "Another CSA is already in progress")) {
4566 ret = -EBUSY;
4567 goto out_unlock;
4568 }
4569
d3a108a4
AO		 4570 /* we still didn't unblock tx. prevent new CS meanwhile */
4571 if (rcu_dereference_protected(mvm->csa_tx_blocked_vif,
4572 lockdep_is_held(&mvm->mutex))) {
4573 ret = -EBUSY;
4574 goto out_unlock;
4575 }
4576
6b20d774 4577 rcu_assign_pointer(mvm->csa_vif, vif);
7ef0aab6 4578
7ef0aab6
AO		 4579 if (WARN_ONCE(mvmvif->csa_countdown,
4580 "Previous CSA countdown didn't complete")) {
4581 ret = -EBUSY;
4582 goto out_unlock;
4583 }
4584
d3a108a4
AO		 4585 mvmvif->csa_target_freq = chsw->chandef.chan->center_freq;
4586
6b20d774 4587 break;
dc88b4ba 4588 case NL80211_IFTYPE_STATION:
87d9564e
JB		 4589 if (chsw->delay > IWL_MAX_CSA_BLOCK_TX)
4590 schedule_delayed_work(&mvmvif->csa_work, 0);
4591
f6780614 4592 if (chsw->block_tx) {
f6780614
SS		 4593 /*
4594 * In case of undetermined / long time with immediate
4595 * quiet monitor status to gracefully disconnect
4596 */
4597 if (!chsw->count ||
4598 chsw->count * vif->bss_conf.beacon_int >
4599 IWL_MAX_CSA_BLOCK_TX)
4600 schedule_delayed_work(&mvmvif->csa_work,
4601 msecs_to_jiffies(IWL_MAX_CSA_BLOCK_TX));
4602 }
dc88b4ba 4603
0202bcf0
EG		 4604 if (!fw_has_capa(&mvm->fw->ucode_capa,
4605 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) {
4606 ret = iwl_mvm_old_pre_chan_sw_sta(mvm, vif, chsw);
c6e0a3e0
LC		 4607 if (ret)
4608 goto out_unlock;
0202bcf0 4609 } else {
74a10252 4610 iwl_mvm_schedule_client_csa(mvm, vif, chsw);
0202bcf0 4611 }
81b4e44e
SS		 4612
4613 mvmvif->csa_count = chsw->count;
4614 mvmvif->csa_misbehave = false;
dc88b4ba 4615 break;
6b20d774
LC		 4616 default:
4617 break;
4618 }
bd3398e2 4619
f6c34820
LC		 4620 mvmvif->ps_disabled = true;
4621
4622 ret = iwl_mvm_power_update_ps(mvm);
4623 if (ret)
4624 goto out_unlock;
f028905c 4625
e198f5e7
AN		 4626 /* we won't be on this channel any longer */
4627 iwl_mvm_teardown_tdls_peers(mvm);
4628
bd3398e2
AO		 4629out_unlock:
4630 mutex_unlock(&mvm->mutex);
f028905c
LC		 4631
4632 return ret;
bd3398e2
AO		 4633}
4634
c37763d2
SS		 4635static void iwl_mvm_channel_switch_rx_beacon(struct ieee80211_hw *hw,
4636 struct ieee80211_vif *vif,
4637 struct ieee80211_channel_switch *chsw)
f6c34820 4638{
f6c34820 4639 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
c37763d2
SS		 4640 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
4641 struct iwl_chan_switch_te_cmd cmd = {
4642 .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id,
4643 mvmvif->color)),
4644 .action = cpu_to_le32(FW_CTXT_ACTION_MODIFY),
4645 .tsf = cpu_to_le32(chsw->timestamp),
4646 .cs_count = chsw->count,
77738865 4647 .cs_mode = chsw->block_tx,
c37763d2 4648 };
a57c688d 4649
c37763d2
SS		 4650 if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CS_MODIFY))
4651 return;
a57c688d 4652
81b4e44e
SS		 4653 if (chsw->count >= mvmvif->csa_count && chsw->block_tx) {
4654 if (mvmvif->csa_misbehave) {
4655 /* Second time, give up on this AP*/
4656 iwl_mvm_abort_channel_switch(hw, vif);
4657 ieee80211_chswitch_done(vif, false);
4658 mvmvif->csa_misbehave = false;
4659 return;
a57c688d 4660 }
81b4e44e 4661 mvmvif->csa_misbehave = true;
a57c688d 4662 }
81b4e44e 4663 mvmvif->csa_count = chsw->count;
a57c688d 4664
caf46377
SS		 4665 mutex_lock(&mvm->mutex);
4666 if (mvmvif->csa_failed)
4667 goto out_unlock;
f6c34820 4668
caf46377 4669 IWL_DEBUG_MAC80211(mvm, "Modify CSA on mac %d\n", mvmvif->id);
c37763d2
SS		 4670 WARN_ON(iwl_mvm_send_cmd_pdu(mvm,
4671 WIDE_ID(MAC_CONF_GROUP,
4672 CHANNEL_SWITCH_TIME_EVENT_CMD),
caf46377
SS		 4673 0, sizeof(cmd), &cmd));
4674out_unlock:
4675 mutex_unlock(&mvm->mutex);
f6c34820
LC		 4676}
4677
6110d9e5
DS		 4678static void iwl_mvm_flush_no_vif(struct iwl_mvm *mvm, u32 queues, bool drop)
4679{
435d0827
SS		 4680 int i;
4681
06195639 4682 if (!iwl_mvm_has_new_tx_api(mvm)) {
309c4848
LC		 4683 if (drop) {
4684 mutex_lock(&mvm->mutex);
6110d9e5 4685 iwl_mvm_flush_tx_path(mvm,
d4e3a341 4686 iwl_mvm_flushable_queues(mvm) & queues);
309c4848
LC		 4687 mutex_unlock(&mvm->mutex);
4688 } else {
06195639 4689 iwl_trans_wait_tx_queues_empty(mvm->trans, queues);
309c4848 4690 }
435d0827
SS		 4691 return;
4692 }
6110d9e5 4693
435d0827 4694 mutex_lock(&mvm->mutex);
be9ae34e 4695 for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) {
435d0827 4696 struct ieee80211_sta *sta;
6110d9e5 4697
435d0827
SS		 4698 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],
4699 lockdep_is_held(&mvm->mutex));
4700 if (IS_ERR_OR_NULL(sta))
4701 continue;
6110d9e5 4702
06195639 4703 if (drop)
d4e3a341 4704 iwl_mvm_flush_sta_tids(mvm, i, 0xFFFF);
06195639
SS		 4705 else
4706 iwl_mvm_wait_sta_queues_empty(mvm,
4707 iwl_mvm_sta_from_mac80211(sta));
6110d9e5 4708 }
435d0827 4709 mutex_unlock(&mvm->mutex);
6110d9e5
DS		 4710}
4711
c5b0e7c0
EG		 4712static void iwl_mvm_mac_flush(struct ieee80211_hw *hw,
4713 struct ieee80211_vif *vif, u32 queues, bool drop)
4714{
4715 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
4716 struct iwl_mvm_vif *mvmvif;
4717 struct iwl_mvm_sta *mvmsta;
a0f6bf2a
AN		 4718 struct ieee80211_sta *sta;
4719 int i;
4720 u32 msk = 0;
c5b0e7c0 4721
6110d9e5
DS		 4722 if (!vif) {
4723 iwl_mvm_flush_no_vif(mvm, queues, drop);
4724 return;
4725 }
4726
4727 if (vif->type != NL80211_IFTYPE_STATION)
c5b0e7c0
EG		 4728 return;
4729
24afba76 4730 /* Make sure we're done with the deferred traffic before flushing */
c8f54701 4731 flush_work(&mvm->add_stream_wk);
24afba76 4732
c5b0e7c0
EG		 4733 mutex_lock(&mvm->mutex);
4734 mvmvif = iwl_mvm_vif_from_mac80211(vif);
c5b0e7c0 4735
a0f6bf2a 4736 /* flush the AP-station and all TDLS peers */
be9ae34e 4737 for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) {
a0f6bf2a
AN		 4738 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],
4739 lockdep_is_held(&mvm->mutex));
4740 if (IS_ERR_OR_NULL(sta))
4741 continue;
4742
4743 mvmsta = iwl_mvm_sta_from_mac80211(sta);
4744 if (mvmsta->vif != vif)
4745 continue;
4746
4747 /* make sure only TDLS peers or the AP are flushed */
4748 WARN_ON(i != mvmvif->ap_sta_id && !sta->tdls);
4749
d49394a1 4750 if (drop) {
f9084775 4751 if (iwl_mvm_flush_sta(mvm, mvmsta, false))
d49394a1
SS		 4752 IWL_ERR(mvm, "flush request fail\n");
4753 } else {
4754 msk |= mvmsta->tfd_queue_msk;
d6d517b7
SS		 4755 if (iwl_mvm_has_new_tx_api(mvm))
4756 iwl_mvm_wait_sta_queues_empty(mvm, mvmsta);
d49394a1 4757 }
480acbce 4758 }
c5b0e7c0 4759
d49394a1 4760 mutex_unlock(&mvm->mutex);
4e6c48e0 4761
d49394a1
SS		 4762 /* this can take a while, and we may need/want other operations
4763 * to succeed while doing this, so do it without the mutex held
4764 */
d6d517b7 4765 if (!drop && !iwl_mvm_has_new_tx_api(mvm))
a1a57877 4766 iwl_trans_wait_tx_queues_empty(mvm->trans, msk);
c5b0e7c0
EG		 4767}
4768
91a8bcde
JB		 4769static int iwl_mvm_mac_get_survey(struct ieee80211_hw *hw, int idx,
4770 struct survey_info *survey)
4771{
4772 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
4773 int ret;
4774
4775 memset(survey, 0, sizeof(*survey));
4776
4777 /* only support global statistics right now */
4778 if (idx != 0)
4779 return -ENOENT;
4780
280a3efa
JB		 4781 if (!fw_has_capa(&mvm->fw->ucode_capa,
4782 IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS))
91a8bcde
JB		 4783 return -ENOENT;
4784
4785 mutex_lock(&mvm->mutex);
4786
aab6930d 4787 if (iwl_mvm_firmware_running(mvm)) {
33cef925 4788 ret = iwl_mvm_request_statistics(mvm, false);
91a8bcde
JB		 4789 if (ret)
4790 goto out;
4791 }
4792
4793 survey->filled = SURVEY_INFO_TIME |
4794 SURVEY_INFO_TIME_RX |
4795 SURVEY_INFO_TIME_TX |
4796 SURVEY_INFO_TIME_SCAN;
4797 survey->time = mvm->accu_radio_stats.on_time_rf +
4798 mvm->radio_stats.on_time_rf;
4799 do_div(survey->time, USEC_PER_MSEC);
4800
4801 survey->time_rx = mvm->accu_radio_stats.rx_time +
4802 mvm->radio_stats.rx_time;
4803 do_div(survey->time_rx, USEC_PER_MSEC);
4804
4805 survey->time_tx = mvm->accu_radio_stats.tx_time +
4806 mvm->radio_stats.tx_time;
4807 do_div(survey->time_tx, USEC_PER_MSEC);
4808
4809 survey->time_scan = mvm->accu_radio_stats.on_time_scan +
4810 mvm->radio_stats.on_time_scan;
4811 do_div(survey->time_scan, USEC_PER_MSEC);
4812
10a7c028 4813 ret = 0;
91a8bcde
JB		 4814 out:
4815 mutex_unlock(&mvm->mutex);
4816 return ret;
4817}
4818
ed780545
JB		 4819static void iwl_mvm_set_sta_rate(u32 rate_n_flags, struct rate_info *rinfo)
4820{
4821 switch (rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK) {
4822 case RATE_MCS_CHAN_WIDTH_20:
4823 rinfo->bw = RATE_INFO_BW_20;
4824 break;
4825 case RATE_MCS_CHAN_WIDTH_40:
4826 rinfo->bw = RATE_INFO_BW_40;
4827 break;
4828 case RATE_MCS_CHAN_WIDTH_80:
4829 rinfo->bw = RATE_INFO_BW_80;
4830 break;
4831 case RATE_MCS_CHAN_WIDTH_160:
4832 rinfo->bw = RATE_INFO_BW_160;
4833 break;
4834 }
4835
4836 if (rate_n_flags & RATE_MCS_HT_MSK) {
4837 rinfo->flags |= RATE_INFO_FLAGS_MCS;
4838 rinfo->mcs = u32_get_bits(rate_n_flags, RATE_HT_MCS_INDEX_MSK);
4839 rinfo->nss = u32_get_bits(rate_n_flags,
4840 RATE_HT_MCS_NSS_MSK) + 1;
4841 if (rate_n_flags & RATE_MCS_SGI_MSK)
4842 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
4843 } else if (rate_n_flags & RATE_MCS_VHT_MSK) {
4844 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
4845 rinfo->mcs = u32_get_bits(rate_n_flags,
4846 RATE_VHT_MCS_RATE_CODE_MSK);
4847 rinfo->nss = u32_get_bits(rate_n_flags,
4848 RATE_VHT_MCS_NSS_MSK) + 1;
4849 if (rate_n_flags & RATE_MCS_SGI_MSK)
4850 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
4851 } else if (rate_n_flags & RATE_MCS_HE_MSK) {
4852 u32 gi_ltf = u32_get_bits(rate_n_flags,
4853 RATE_MCS_HE_GI_LTF_MSK);
4854
4855 rinfo->flags |= RATE_INFO_FLAGS_HE_MCS;
4856 rinfo->mcs = u32_get_bits(rate_n_flags,
4857 RATE_VHT_MCS_RATE_CODE_MSK);
4858 rinfo->nss = u32_get_bits(rate_n_flags,
4859 RATE_VHT_MCS_NSS_MSK) + 1;
4860
4861 if (rate_n_flags & RATE_MCS_HE_106T_MSK) {
4862 rinfo->bw = RATE_INFO_BW_HE_RU;
4863 rinfo->he_ru_alloc = NL80211_RATE_INFO_HE_RU_ALLOC_106;
4864 }
4865
4866 switch (rate_n_flags & RATE_MCS_HE_TYPE_MSK) {
4867 case RATE_MCS_HE_TYPE_SU:
4868 case RATE_MCS_HE_TYPE_EXT_SU:
4869 if (gi_ltf == 0 || gi_ltf == 1)
4870 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8;
4871 else if (gi_ltf == 2)
4872 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6;
4873 else if (rate_n_flags & RATE_MCS_SGI_MSK)
4874 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8;
4875 else
4876 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2;
4877 break;
4878 case RATE_MCS_HE_TYPE_MU:
4879 if (gi_ltf == 0 || gi_ltf == 1)
4880 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8;
4881 else if (gi_ltf == 2)
4882 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6;
4883 else
4884 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2;
4885 break;
4886 case RATE_MCS_HE_TYPE_TRIG:
4887 if (gi_ltf == 0 || gi_ltf == 1)
4888 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6;
4889 else
4890 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2;
4891 break;
4892 }
4893
4894 if (rate_n_flags & RATE_HE_DUAL_CARRIER_MODE_MSK)
4895 rinfo->he_dcm = 1;
4896 } else {
4897 switch (u32_get_bits(rate_n_flags, RATE_LEGACY_RATE_MSK)) {
4898 case IWL_RATE_1M_PLCP:
4899 rinfo->legacy = 10;
4900 break;
4901 case IWL_RATE_2M_PLCP:
4902 rinfo->legacy = 20;
4903 break;
4904 case IWL_RATE_5M_PLCP:
4905 rinfo->legacy = 55;
4906 break;
4907 case IWL_RATE_11M_PLCP:
4908 rinfo->legacy = 110;
4909 break;
4910 case IWL_RATE_6M_PLCP:
4911 rinfo->legacy = 60;
4912 break;
4913 case IWL_RATE_9M_PLCP:
4914 rinfo->legacy = 90;
4915 break;
4916 case IWL_RATE_12M_PLCP:
4917 rinfo->legacy = 120;
4918 break;
4919 case IWL_RATE_18M_PLCP:
4920 rinfo->legacy = 180;
4921 break;
4922 case IWL_RATE_24M_PLCP:
4923 rinfo->legacy = 240;
4924 break;
4925 case IWL_RATE_36M_PLCP:
4926 rinfo->legacy = 360;
4927 break;
4928 case IWL_RATE_48M_PLCP:
4929 rinfo->legacy = 480;
4930 break;
4931 case IWL_RATE_54M_PLCP:
4932 rinfo->legacy = 540;
4933 break;
4934 }
4935 }
4936}
4937
33cef925
JB		 4938static void iwl_mvm_mac_sta_statistics(struct ieee80211_hw *hw,
4939 struct ieee80211_vif *vif,
4940 struct ieee80211_sta *sta,
4941 struct station_info *sinfo)
4942{
4943 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
4944 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
4945 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
4946
988b5968 4947 if (mvmsta->avg_energy) {
88ad368a 4948 sinfo->signal_avg = -(s8)mvmsta->avg_energy;
22d0d2fa 4949 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG);
988b5968
SS		 4950 }
4951
ed780545
JB		 4952 if (iwl_mvm_has_tlc_offload(mvm)) {
4953 struct iwl_lq_sta_rs_fw *lq_sta = &mvmsta->lq_sta.rs_fw;
4954
4955 iwl_mvm_set_sta_rate(lq_sta->last_rate_n_flags, &sinfo->txrate);
4956 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
4957 }
4958
33cef925
JB		 4959 /* if beacon filtering isn't on mac80211 does it anyway */
4960 if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER))
4961 return;
4962
4963 if (!vif->bss_conf.assoc)
4964 return;
4965
4966 mutex_lock(&mvm->mutex);
4967
4968 if (mvmvif->ap_sta_id != mvmsta->sta_id)
4969 goto unlock;
4970
4971 if (iwl_mvm_request_statistics(mvm, false))
4972 goto unlock;
4973
4974 sinfo->rx_beacon = mvmvif->beacon_stats.num_beacons +
4975 mvmvif->beacon_stats.accu_num_beacons;
22d0d2fa 4976 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_RX);
33cef925
JB		 4977 if (mvmvif->beacon_stats.avg_signal) {
4978 /* firmware only reports a value after RXing a few beacons */
4979 sinfo->rx_beacon_signal_avg = mvmvif->beacon_stats.avg_signal;
22d0d2fa 4980 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG);
33cef925
JB		 4981 }
4982 unlock:
4983 mutex_unlock(&mvm->mutex);
4984}
4985
4203263d
EG		 4986static void iwl_mvm_event_mlme_callback(struct iwl_mvm *mvm,
4987 struct ieee80211_vif *vif,
4988 const struct ieee80211_event *event)
d42f5350 4989{
7174beb6
JB		 4990#define CHECK_MLME_TRIGGER(_cnt, _fmt...) \
4991 do { \
4992 if ((trig_mlme->_cnt) && --(trig_mlme->_cnt)) \
4993 break; \
4994 iwl_fw_dbg_collect_trig(&(mvm)->fwrt, trig, _fmt); \
d42f5350
EG		 4995 } while (0)
4996
d42f5350
EG		 4997 struct iwl_fw_dbg_trigger_tlv *trig;
4998 struct iwl_fw_dbg_trigger_mlme *trig_mlme;
d42f5350 4999
6c042d75
SS		 5000 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif),
5001 FW_DBG_TRIGGER_MLME);
5002 if (!trig)
d42f5350
EG		 5003 return;
5004
d42f5350 5005 trig_mlme = (void *)trig->data;
d42f5350 5006
d42f5350
EG		 5007 if (event->u.mlme.data == ASSOC_EVENT) {
5008 if (event->u.mlme.status == MLME_DENIED)
4c324a51 5009 CHECK_MLME_TRIGGER(stop_assoc_denied,
d42f5350
EG		 5010 "DENIED ASSOC: reason %d",
5011 event->u.mlme.reason);
5012 else if (event->u.mlme.status == MLME_TIMEOUT)
4c324a51 5013 CHECK_MLME_TRIGGER(stop_assoc_timeout,
d42f5350
EG		 5014 "ASSOC TIMEOUT");
5015 } else if (event->u.mlme.data == AUTH_EVENT) {
5016 if (event->u.mlme.status == MLME_DENIED)
4c324a51 5017 CHECK_MLME_TRIGGER(stop_auth_denied,
d42f5350
EG		 5018 "DENIED AUTH: reason %d",
5019 event->u.mlme.reason);
5020 else if (event->u.mlme.status == MLME_TIMEOUT)
4c324a51 5021 CHECK_MLME_TRIGGER(stop_auth_timeout,
d42f5350
EG		 5022 "AUTH TIMEOUT");
5023 } else if (event->u.mlme.data == DEAUTH_RX_EVENT) {
4c324a51 5024 CHECK_MLME_TRIGGER(stop_rx_deauth,
d42f5350
EG		 5025 "DEAUTH RX %d", event->u.mlme.reason);
5026 } else if (event->u.mlme.data == DEAUTH_TX_EVENT) {
4c324a51 5027 CHECK_MLME_TRIGGER(stop_tx_deauth,
d42f5350
EG		 5028 "DEAUTH TX %d", event->u.mlme.reason);
5029 }
5030#undef CHECK_MLME_TRIGGER
5031}
5032
4203263d
EG		 5033static void iwl_mvm_event_bar_rx_callback(struct iwl_mvm *mvm,
5034 struct ieee80211_vif *vif,
5035 const struct ieee80211_event *event)
5036{
5037 struct iwl_fw_dbg_trigger_tlv *trig;
5038 struct iwl_fw_dbg_trigger_ba *ba_trig;
5039
6c042d75
SS		 5040 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif),
5041 FW_DBG_TRIGGER_BA);
5042 if (!trig)
4203263d
EG		 5043 return;
5044
4203263d 5045 ba_trig = (void *)trig->data;
4203263d
EG		 5046
5047 if (!(le16_to_cpu(ba_trig->rx_bar) & BIT(event->u.ba.tid)))
5048 return;
5049
7174beb6
JB		 5050 iwl_fw_dbg_collect_trig(&mvm->fwrt, trig,
5051 "BAR received from %pM, tid %d, ssn %d",
5052 event->u.ba.sta->addr, event->u.ba.tid,
5053 event->u.ba.ssn);
4203263d
EG		 5054}
5055
4203263d
EG		 5056static void iwl_mvm_mac_event_callback(struct ieee80211_hw *hw,
5057 struct ieee80211_vif *vif,
5058 const struct ieee80211_event *event)
5059{
5060 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
5061
5062 switch (event->type) {
5063 case MLME_EVENT:
5064 iwl_mvm_event_mlme_callback(mvm, vif, event);
5065 break;
5066 case BAR_RX_EVENT:
5067 iwl_mvm_event_bar_rx_callback(mvm, vif, event);
5068 break;
5069 case BA_FRAME_TIMEOUT:
528a542a
EG		 5070 iwl_mvm_event_frame_timeout_callback(mvm, vif, event->u.ba.sta,
5071 event->u.ba.tid);
4203263d
EG		 5072 break;
5073 default:
5074 break;
5075 }
5076}
5077
d0ff5d22
SS		 5078void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm,
5079 struct iwl_mvm_internal_rxq_notif *notif,
5080 u32 size)
0636b938 5081{
0636b938
SS		 5082 u32 qmask = BIT(mvm->trans->num_rx_queues) - 1;
5083 int ret;
5084
0636b938 5085
cb8550e1 5086 if (!iwl_mvm_has_new_rx_api(mvm))
0636b938
SS		 5087 return;
5088
a2113cc4
NG		 5089 if (notif->sync) {
5090 notif->cookie = mvm->queue_sync_cookie;
2f7a04c7 5091 mvm->queue_sync_state = (1 << mvm->trans->num_rx_queues) - 1;
a2113cc4 5092 }
0636b938 5093
e20a5c9f 5094 ret = iwl_mvm_notify_rx_queue(mvm, qmask, notif, size, !notif->sync);
0636b938
SS		 5095 if (ret) {
5096 IWL_ERR(mvm, "Failed to trigger RX queues sync (%d)\n", ret);
5097 goto out;
5098 }
d0ff5d22 5099
6ad04359 5100 if (notif->sync) {
3c514bf8 5101 lockdep_assert_held(&mvm->mutex);
3a732c65 5102 ret = wait_event_timeout(mvm->rx_sync_waitq,
2f7a04c7 5103 READ_ONCE(mvm->queue_sync_state) == 0 ||
6ad04359 5104 iwl_mvm_is_radio_killed(mvm),
d0ff5d22 5105 HZ);
2f7a04c7
JB		 5106 WARN_ONCE(!ret && !iwl_mvm_is_radio_killed(mvm),
5107 "queue sync: failed to sync, state is 0x%lx\n",
5108 mvm->queue_sync_state);
6ad04359 5109 }
0636b938
SS		 5110
5111out:
2f7a04c7 5112 mvm->queue_sync_state = 0;
a2113cc4
NG		 5113 if (notif->sync)
5114 mvm->queue_sync_cookie++;
0636b938
SS		 5115}
5116
5117static void iwl_mvm_sync_rx_queues(struct ieee80211_hw *hw)
5118{
5119 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
d0ff5d22
SS		 5120 struct iwl_mvm_internal_rxq_notif data = {
5121 .type = IWL_MVM_RXQ_EMPTY,
5122 .sync = 1,
5123 };
0636b938
SS		 5124
5125 mutex_lock(&mvm->mutex);
d0ff5d22 5126 iwl_mvm_sync_rx_queues_internal(mvm, &data, sizeof(data));
0636b938
SS		 5127 mutex_unlock(&mvm->mutex);
5128}
5129
b73f9a4a
JB		 5130static int
5131iwl_mvm_mac_get_ftm_responder_stats(struct ieee80211_hw *hw,
5132 struct ieee80211_vif *vif,
5133 struct cfg80211_ftm_responder_stats *stats)
5134{
5135 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
5136 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
5137
5138 if (vif->p2p || vif->type != NL80211_IFTYPE_AP ||
5139 !mvmvif->ap_ibss_active || !vif->bss_conf.ftm_responder)
5140 return -EINVAL;
5141
5142 mutex_lock(&mvm->mutex);
5143 *stats = mvm->ftm_resp_stats;
5144 mutex_unlock(&mvm->mutex);
5145
5146 stats->filled = BIT(NL80211_FTM_STATS_SUCCESS_NUM) |
5147 BIT(NL80211_FTM_STATS_PARTIAL_NUM) |
5148 BIT(NL80211_FTM_STATS_FAILED_NUM) |
5149 BIT(NL80211_FTM_STATS_ASAP_NUM) |
5150 BIT(NL80211_FTM_STATS_NON_ASAP_NUM) |
5151 BIT(NL80211_FTM_STATS_TOTAL_DURATION_MSEC) |
5152 BIT(NL80211_FTM_STATS_UNKNOWN_TRIGGERS_NUM) |
5153 BIT(NL80211_FTM_STATS_RESCHEDULE_REQUESTS_NUM) |
5154 BIT(NL80211_FTM_STATS_OUT_OF_WINDOW_TRIGGERS_NUM);
5155
5156 return 0;
5157}
5158
fc36ffda
JB		 5159static int iwl_mvm_start_pmsr(struct ieee80211_hw *hw,
5160 struct ieee80211_vif *vif,
5161 struct cfg80211_pmsr_request *request)
5162{
5163 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
5164 int ret;
5165
5166 mutex_lock(&mvm->mutex);
5167 ret = iwl_mvm_ftm_start(mvm, vif, request);
5168 mutex_unlock(&mvm->mutex);
5169
5170 return ret;
5171}
5172
5173static void iwl_mvm_abort_pmsr(struct ieee80211_hw *hw,
5174 struct ieee80211_vif *vif,
5175 struct cfg80211_pmsr_request *request)
5176{
5177 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
5178
5179 mutex_lock(&mvm->mutex);
5180 iwl_mvm_ftm_abort(mvm, request);
5181 mutex_unlock(&mvm->mutex);
5182}
5183
438af969
SS		 5184static bool iwl_mvm_can_hw_csum(struct sk_buff *skb)
5185{
5186 u8 protocol = ip_hdr(skb)->protocol;
5187
5188 if (!IS_ENABLED(CONFIG_INET))
5189 return false;
5190
5191 return protocol == IPPROTO_TCP || protocol == IPPROTO_UDP;
5192}
5193
5194static bool iwl_mvm_mac_can_aggregate(struct ieee80211_hw *hw,
5195 struct sk_buff *head,
5196 struct sk_buff *skb)
5197{
5198 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
5199
5200 /* For now don't aggregate IPv6 in AMSDU */
5201 if (skb->protocol != htons(ETH_P_IP))
5202 return false;
5203
5204 if (!iwl_mvm_is_csum_supported(mvm))
5205 return true;
5206
5207 return iwl_mvm_can_hw_csum(skb) == iwl_mvm_can_hw_csum(head);
5208}
5209
e5209263 5210const struct ieee80211_ops iwl_mvm_hw_ops = {
8ca151b5 5211 .tx = iwl_mvm_mac_tx,
cfbc6c4c 5212 .wake_tx_queue = iwl_mvm_mac_wake_tx_queue,
8ca151b5 5213 .ampdu_action = iwl_mvm_mac_ampdu_action,
e8503aec 5214 .get_antenna = iwl_mvm_op_get_antenna,
8ca151b5 5215 .start = iwl_mvm_mac_start,
cf2c92d8 5216 .reconfig_complete = iwl_mvm_mac_reconfig_complete,
8ca151b5
JB		 5217 .stop = iwl_mvm_mac_stop,
5218 .add_interface = iwl_mvm_mac_add_interface,
5219 .remove_interface = iwl_mvm_mac_remove_interface,
5220 .config = iwl_mvm_mac_config,
e59647ea 5221 .prepare_multicast = iwl_mvm_prepare_multicast,
8ca151b5 5222 .configure_filter = iwl_mvm_configure_filter,
effd1929 5223 .config_iface_filter = iwl_mvm_config_iface_filter,
8ca151b5
JB		 5224 .bss_info_changed = iwl_mvm_bss_info_changed,
5225 .hw_scan = iwl_mvm_mac_hw_scan,
5226 .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan,
1ddbbb0c 5227 .sta_pre_rcu_remove = iwl_mvm_sta_pre_rcu_remove,
8ca151b5
JB		 5228 .sta_state = iwl_mvm_mac_sta_state,
5229 .sta_notify = iwl_mvm_mac_sta_notify,
5230 .allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames,
3e56eadf 5231 .release_buffered_frames = iwl_mvm_mac_release_buffered_frames,
8ca151b5 5232 .set_rts_threshold = iwl_mvm_mac_set_rts_threshold,
1f3b0ff8 5233 .sta_rc_update = iwl_mvm_sta_rc_update,
8ca151b5
JB		 5234 .conf_tx = iwl_mvm_mac_conf_tx,
5235 .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx,
07ecd897 5236 .mgd_protect_tdls_discover = iwl_mvm_mac_mgd_protect_tdls_discover,
c5b0e7c0 5237 .flush = iwl_mvm_mac_flush,
35a000b7
DS		 5238 .sched_scan_start = iwl_mvm_mac_sched_scan_start,
5239 .sched_scan_stop = iwl_mvm_mac_sched_scan_stop,
8ca151b5
JB		 5240 .set_key = iwl_mvm_mac_set_key,
5241 .update_tkip_key = iwl_mvm_mac_update_tkip_key,
5242 .remain_on_channel = iwl_mvm_roc,
5243 .cancel_remain_on_channel = iwl_mvm_cancel_roc,
8ca151b5
JB		 5244 .add_chanctx = iwl_mvm_add_chanctx,
5245 .remove_chanctx = iwl_mvm_remove_chanctx,
5246 .change_chanctx = iwl_mvm_change_chanctx,
5247 .assign_vif_chanctx = iwl_mvm_assign_vif_chanctx,
5248 .unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx,
b08c1d97 5249 .switch_vif_chanctx = iwl_mvm_switch_vif_chanctx,
8ca151b5 5250
5023d966
JB		 5251 .start_ap = iwl_mvm_start_ap_ibss,
5252 .stop_ap = iwl_mvm_stop_ap_ibss,
5253 .join_ibss = iwl_mvm_start_ap_ibss,
5254 .leave_ibss = iwl_mvm_stop_ap_ibss,
8ca151b5 5255
2f0282db
JB		 5256 .tx_last_beacon = iwl_mvm_tx_last_beacon,
5257
8ca151b5
JB		 5258 .set_tim = iwl_mvm_set_tim,
5259
622e3f9b 5260 .channel_switch = iwl_mvm_channel_switch,
f028905c 5261 .pre_channel_switch = iwl_mvm_pre_channel_switch,
f6c34820 5262 .post_channel_switch = iwl_mvm_post_channel_switch,
79221126 5263 .abort_channel_switch = iwl_mvm_abort_channel_switch,
c37763d2 5264 .channel_switch_rx_beacon = iwl_mvm_channel_switch_rx_beacon,
bd3398e2 5265
1d3c3f63
AN		 5266 .tdls_channel_switch = iwl_mvm_tdls_channel_switch,
5267 .tdls_cancel_channel_switch = iwl_mvm_tdls_cancel_channel_switch,
5268 .tdls_recv_channel_switch = iwl_mvm_tdls_recv_channel_switch,
5269
d42f5350
EG		 5270 .event_callback = iwl_mvm_mac_event_callback,
5271
0636b938
SS		 5272 .sync_rx_queues = iwl_mvm_sync_rx_queues,
5273
507cadf2
DS		 5274 CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd)
5275
8ca151b5
JB		 5276#ifdef CONFIG_PM_SLEEP
5277 /* look at d3.c */
5278 .suspend = iwl_mvm_suspend,
5279 .resume = iwl_mvm_resume,
5280 .set_wakeup = iwl_mvm_set_wakeup,
5281 .set_rekey_data = iwl_mvm_set_rekey_data,
5282#if IS_ENABLED(CONFIG_IPV6)
5283 .ipv6_addr_change = iwl_mvm_ipv6_addr_change,
5284#endif
5285 .set_default_unicast_key = iwl_mvm_set_default_unicast_key,
5286#endif
91a8bcde 5287 .get_survey = iwl_mvm_mac_get_survey,
33cef925 5288 .sta_statistics = iwl_mvm_mac_sta_statistics,
b73f9a4a 5289 .get_ftm_responder_stats = iwl_mvm_mac_get_ftm_responder_stats,
fc36ffda
JB		 5290 .start_pmsr = iwl_mvm_start_pmsr,
5291 .abort_pmsr = iwl_mvm_abort_pmsr,
b73f9a4a 5292
438af969 5293 .can_aggregate_in_amsdu = iwl_mvm_mac_can_aggregate,
177a11cf
GG		 5294#ifdef CONFIG_IWLWIFI_DEBUGFS
5295 .sta_add_debugfs = iwl_mvm_sta_add_debugfs,
5296#endif
8ca151b5 5297};
Linux 6.x block layer and io_uring tree(s)