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iwlwifi: mvm: rs - don't use the shared antenna when BT load is high
[deliverable/linux.git] / drivers / net / wireless / iwlwifi / mvm / mac80211.c
CommitLineData
8ca151b5
JB		 1/******************************************************************************
2 *
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
5 *
6 * GPL LICENSE SUMMARY
7 *
51368bf7 8 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
8b4139dc 9 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
8ca151b5
JB		 10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of version 2 of the GNU General Public License as
13 * published by the Free Software Foundation.
14 *
15 * This program is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
23 * USA
24 *
25 * The full GNU General Public License is included in this distribution
410dc5aa 26 * in the file called COPYING.
8ca151b5
JB		 27 *
28 * Contact Information:
29 * Intel Linux Wireless <ilw@linux.intel.com>
30 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
31 *
32 * BSD LICENSE
33 *
51368bf7 34 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
8b4139dc 35 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
8ca151b5
JB		 36 * All rights reserved.
37 *
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions
40 * are met:
41 *
42 * * Redistributions of source code must retain the above copyright
43 * notice, this list of conditions and the following disclaimer.
44 * * Redistributions in binary form must reproduce the above copyright
45 * notice, this list of conditions and the following disclaimer in
46 * the documentation and/or other materials provided with the
47 * distribution.
48 * * Neither the name Intel Corporation nor the names of its
49 * contributors may be used to endorse or promote products derived
50 * from this software without specific prior written permission.
51 *
52 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
53 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
54 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
55 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
56 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
57 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
58 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
59 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
60 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
61 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
62 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
63 *
64 *****************************************************************************/
65#include <linux/kernel.h>
66#include <linux/slab.h>
67#include <linux/skbuff.h>
68#include <linux/netdevice.h>
69#include <linux/etherdevice.h>
f0c2646a 70#include <linux/ip.h>
2ee8f021 71#include <linux/if_arp.h>
aadede6e 72#include <linux/devcoredump.h>
8ca151b5 73#include <net/mac80211.h>
7b1dd048 74#include <net/ieee80211_radiotap.h>
f0c2646a 75#include <net/tcp.h>
8ca151b5
JB		 76
77#include "iwl-op-mode.h"
78#include "iwl-io.h"
79#include "mvm.h"
80#include "sta.h"
81#include "time-event.h"
82#include "iwl-eeprom-parse.h"
83#include "fw-api-scan.h"
84#include "iwl-phy-db.h"
507cadf2 85#include "testmode.h"
655e6d6d
EG		 86#include "iwl-fw-error-dump.h"
87#include "iwl-prph.h"
8ca151b5
JB		 88
89static const struct ieee80211_iface_limit iwl_mvm_limits[] = {
90 {
91 .max = 1,
8eb38710 92 .types = BIT(NL80211_IFTYPE_STATION),
8ca151b5 93 },
3c15a0fb
JB		 94 {
95 .max = 1,
8eb38710
IP		 96 .types = BIT(NL80211_IFTYPE_AP) |
97 BIT(NL80211_IFTYPE_P2P_CLIENT) |
3c15a0fb
JB		 98 BIT(NL80211_IFTYPE_P2P_GO),
99 },
100 {
101 .max = 1,
102 .types = BIT(NL80211_IFTYPE_P2P_DEVICE),
103 },
8ca151b5
JB		 104};
105
106static const struct ieee80211_iface_combination iwl_mvm_iface_combinations[] = {
107 {
108 .num_different_channels = 1,
109 .max_interfaces = 3,
110 .limits = iwl_mvm_limits,
111 .n_limits = ARRAY_SIZE(iwl_mvm_limits),
112 },
113};
114
f0c2646a
JB		 115#ifdef CONFIG_PM_SLEEP
116static const struct nl80211_wowlan_tcp_data_token_feature
117iwl_mvm_wowlan_tcp_token_feature = {
118 .min_len = 0,
119 .max_len = 255,
120 .bufsize = IWL_WOWLAN_REMOTE_WAKE_MAX_TOKENS,
121};
122
123static const struct wiphy_wowlan_tcp_support iwl_mvm_wowlan_tcp_support = {
124 .tok = &iwl_mvm_wowlan_tcp_token_feature,
125 .data_payload_max = IWL_WOWLAN_TCP_MAX_PACKET_LEN -
126 sizeof(struct ethhdr) -
127 sizeof(struct iphdr) -
128 sizeof(struct tcphdr),
129 .data_interval_max = 65535, /* __le16 in API */
130 .wake_payload_max = IWL_WOWLAN_REMOTE_WAKE_MAX_PACKET_LEN -
131 sizeof(struct ethhdr) -
132 sizeof(struct iphdr) -
133 sizeof(struct tcphdr),
134 .seq = true,
135};
136#endif
137
77736923 138#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
2ee8f021
EP		 139/*
140 * Use the reserved field to indicate magic values.
141 * these values will only be used internally by the driver,
142 * and won't make it to the fw (reserved will be 0).
143 * BC_FILTER_MAGIC_IP - configure the val of this attribute to
144 * be the vif's ip address. in case there is not a single
145 * ip address (0, or more than 1), this attribute will
146 * be skipped.
147 * BC_FILTER_MAGIC_MAC - set the val of this attribute to
148 * the LSB bytes of the vif's mac address
149 */
150enum {
151 BC_FILTER_MAGIC_NONE = 0,
152 BC_FILTER_MAGIC_IP,
153 BC_FILTER_MAGIC_MAC,
154};
155
77736923
EP		 156static const struct iwl_fw_bcast_filter iwl_mvm_default_bcast_filters[] = {
157 {
158 /* arp */
159 .discard = 0,
160 .frame_type = BCAST_FILTER_FRAME_TYPE_ALL,
161 .attrs = {
162 {
163 /* frame type - arp, hw type - ethernet */
164 .offset_type =
165 BCAST_FILTER_OFFSET_PAYLOAD_START,
166 .offset = sizeof(rfc1042_header),
167 .val = cpu_to_be32(0x08060001),
168 .mask = cpu_to_be32(0xffffffff),
169 },
2ee8f021
EP		 170 {
171 /* arp dest ip */
172 .offset_type =
173 BCAST_FILTER_OFFSET_PAYLOAD_START,
174 .offset = sizeof(rfc1042_header) + 2 +
175 sizeof(struct arphdr) +
176 ETH_ALEN + sizeof(__be32) +
177 ETH_ALEN,
178 .mask = cpu_to_be32(0xffffffff),
179 /* mark it as special field */
180 .reserved1 = cpu_to_le16(BC_FILTER_MAGIC_IP),
181 },
182 },
183 },
184 {
185 /* dhcp offer bcast */
186 .discard = 0,
187 .frame_type = BCAST_FILTER_FRAME_TYPE_IPV4,
188 .attrs = {
189 {
190 /* udp dest port - 68 (bootp client)*/
191 .offset_type = BCAST_FILTER_OFFSET_IP_END,
192 .offset = offsetof(struct udphdr, dest),
193 .val = cpu_to_be32(0x00440000),
194 .mask = cpu_to_be32(0xffff0000),
195 },
196 {
197 /* dhcp - lsb bytes of client hw address */
198 .offset_type = BCAST_FILTER_OFFSET_IP_END,
199 .offset = 38,
200 .mask = cpu_to_be32(0xffffffff),
201 /* mark it as special field */
202 .reserved1 = cpu_to_le16(BC_FILTER_MAGIC_MAC),
203 },
77736923
EP		 204 },
205 },
206 /* last filter must be empty */
207 {},
208};
209#endif
210
7498cf4c
EP		 211void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type)
212{
7bb426ea 213 if (!iwl_mvm_is_d0i3_supported(mvm))
7498cf4c
EP		 214 return;
215
216 IWL_DEBUG_RPM(mvm, "Take mvm reference - type %d\n", ref_type);
576eeee9
EP		 217 spin_lock_bh(&mvm->refs_lock);
218 mvm->refs[ref_type]++;
219 spin_unlock_bh(&mvm->refs_lock);
7498cf4c
EP		 220 iwl_trans_ref(mvm->trans);
221}
222
223void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type)
224{
7bb426ea 225 if (!iwl_mvm_is_d0i3_supported(mvm))
7498cf4c
EP		 226 return;
227
228 IWL_DEBUG_RPM(mvm, "Leave mvm reference - type %d\n", ref_type);
576eeee9
EP		 229 spin_lock_bh(&mvm->refs_lock);
230 WARN_ON(!mvm->refs[ref_type]--);
231 spin_unlock_bh(&mvm->refs_lock);
7498cf4c
EP		 232 iwl_trans_unref(mvm->trans);
233}
234
576eeee9
EP		 235static void iwl_mvm_unref_all_except(struct iwl_mvm *mvm,
236 enum iwl_mvm_ref_type except_ref)
7498cf4c 237{
576eeee9 238 int i, j;
7498cf4c 239
7bb426ea 240 if (!iwl_mvm_is_d0i3_supported(mvm))
7498cf4c
EP		 241 return;
242
576eeee9
EP		 243 spin_lock_bh(&mvm->refs_lock);
244 for (i = 0; i < IWL_MVM_REF_COUNT; i++) {
245 if (except_ref == i || !mvm->refs[i])
7498cf4c
EP		 246 continue;
247
576eeee9
EP		 248 IWL_DEBUG_RPM(mvm, "Cleanup: remove mvm ref type %d (%d)\n",
249 i, mvm->refs[i]);
250 for (j = 0; j < mvm->refs[i]; j++)
251 iwl_trans_unref(mvm->trans);
252 mvm->refs[i] = 0;
7498cf4c 253 }
576eeee9 254 spin_unlock_bh(&mvm->refs_lock);
7498cf4c
EP		 255}
256
f4cf8680
EP		 257bool iwl_mvm_ref_taken(struct iwl_mvm *mvm)
258{
259 int i;
260 bool taken = false;
261
262 if (!iwl_mvm_is_d0i3_supported(mvm))
263 return true;
264
265 spin_lock_bh(&mvm->refs_lock);
266 for (i = 0; i < IWL_MVM_REF_COUNT; i++) {
267 if (mvm->refs[i]) {
268 taken = true;
269 break;
270 }
271 }
272 spin_unlock_bh(&mvm->refs_lock);
273
274 return taken;
275}
276
576eeee9 277int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type)
d40fc489
GG		 278{
279 iwl_mvm_ref(mvm, ref_type);
280
281 if (!wait_event_timeout(mvm->d0i3_exit_waitq,
282 !test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status),
283 HZ)) {
284 WARN_ON_ONCE(1);
285 iwl_mvm_unref(mvm, ref_type);
286 return -EIO;
287 }
288
289 return 0;
290}
291
fe0f2de3
IP		 292static void iwl_mvm_reset_phy_ctxts(struct iwl_mvm *mvm)
293{
294 int i;
295
296 memset(mvm->phy_ctxts, 0, sizeof(mvm->phy_ctxts));
297 for (i = 0; i < NUM_PHY_CTX; i++) {
298 mvm->phy_ctxts[i].id = i;
299 mvm->phy_ctxts[i].ref = 0;
300 }
301}
302
8ca151b5
JB		 303int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
304{
305 struct ieee80211_hw *hw = mvm->hw;
831e85f3 306 int num_mac, ret, i;
8ca151b5
JB		 307
308 /* Tell mac80211 our characteristics */
309 hw->flags = IEEE80211_HW_SIGNAL_DBM |
310 IEEE80211_HW_SPECTRUM_MGMT |
311 IEEE80211_HW_REPORTS_TX_ACK_STATUS |
312 IEEE80211_HW_QUEUE_CONTROL |
313 IEEE80211_HW_WANT_MONITOR_VIF |
8ca151b5
JB		 314 IEEE80211_HW_SUPPORTS_PS |
315 IEEE80211_HW_SUPPORTS_DYNAMIC_PS |
d2931bbd 316 IEEE80211_HW_AMPDU_AGGREGATION |
d64048ed 317 IEEE80211_HW_TIMING_BEACON_ONLY |
147fc9be 318 IEEE80211_HW_CONNECTION_MONITOR |
b71d9c8a
IY		 319 IEEE80211_HW_CHANCTX_STA_CSA |
320 IEEE80211_HW_SUPPORTS_CLONED_SKBS;
8ca151b5 321
19e737c9 322 hw->queues = mvm->first_agg_queue;
398e8c6c 323 hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE;
7b1dd048
EG		 324 hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FEC |
325 IEEE80211_RADIOTAP_MCS_HAVE_STBC;
326 hw->radiotap_vht_details |= IEEE80211_RADIOTAP_VHT_KNOWN_STBC;
8ca151b5
JB		 327 hw->rate_control_algorithm = "iwl-mvm-rs";
328
329 /*
330 * Enable 11w if advertised by firmware and software crypto
331 * is not enabled (as the firmware will interpret some mgmt
332 * packets, so enabling it with software crypto isn't safe)
333 */
334 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_MFP &&
335 !iwlwifi_mod_params.sw_crypto)
336 hw->flags |= IEEE80211_HW_MFP_CAPABLE;
337
1504f48d
MC		 338 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT &&
339 IWL_UCODE_API(mvm->fw->ucode_ver) >= 9 &&
340 !iwlwifi_mod_params.uapsd_disable) {
341 hw->flags |= IEEE80211_HW_SUPPORTS_UAPSD;
4cb832d5 342 hw->uapsd_queues = IWL_MVM_UAPSD_QUEUES;
1504f48d
MC		 343 hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP;
344 }
e8e626ad 345
fb98be5e
DS		 346 if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN)
347 hw->flags |= IEEE80211_SINGLE_HW_SCAN_ON_ALL_BANDS;
348
8ca151b5
JB		 349 hw->sta_data_size = sizeof(struct iwl_mvm_sta);
350 hw->vif_data_size = sizeof(struct iwl_mvm_vif);
fe0f2de3 351 hw->chanctx_data_size = sizeof(u16);
8ca151b5
JB		 352
353 hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
3c15a0fb
JB		 354 BIT(NL80211_IFTYPE_P2P_CLIENT) |
355 BIT(NL80211_IFTYPE_AP) |
356 BIT(NL80211_IFTYPE_P2P_GO) |
c13b1725
EG		 357 BIT(NL80211_IFTYPE_P2P_DEVICE) |
358 BIT(NL80211_IFTYPE_ADHOC);
5023d966 359
a2f73b6c
LR		 360 hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
361 hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG |
362 REGULATORY_DISABLE_BEACON_HINTS;
8ca151b5 363
3e56eadf
JB		 364 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_GO_UAPSD)
365 hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD;
366
bd3398e2
AO		 367 if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_CSA_FLOW)
368 hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
369
8ca151b5
JB		 370 hw->wiphy->iface_combinations = iwl_mvm_iface_combinations;
371 hw->wiphy->n_iface_combinations =
372 ARRAY_SIZE(iwl_mvm_iface_combinations);
373
c451e6d4 374 hw->wiphy->max_remain_on_channel_duration = 10000;
8ca151b5
JB		 375 hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL;
376
377 /* Extract MAC address */
378 memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN);
379 hw->wiphy->addresses = mvm->addresses;
380 hw->wiphy->n_addresses = 1;
831e85f3
IP		 381
382 /* Extract additional MAC addresses if available */
383 num_mac = (mvm->nvm_data->n_hw_addrs > 1) ?
384 min(IWL_MVM_MAX_ADDRESSES, mvm->nvm_data->n_hw_addrs) : 1;
385
386 for (i = 1; i < num_mac; i++) {
387 memcpy(mvm->addresses[i].addr, mvm->addresses[i-1].addr,
8ca151b5 388 ETH_ALEN);
831e85f3 389 mvm->addresses[i].addr[5]++;
8ca151b5
JB		 390 hw->wiphy->n_addresses++;
391 }
392
fe0f2de3
IP		 393 iwl_mvm_reset_phy_ctxts(mvm);
394
48849a41 395 hw->wiphy->max_scan_ie_len = iwl_mvm_max_scan_ie_len(mvm, false);
20f1a5de 396
8ca151b5
JB		 397 hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX;
398
399 if (mvm->nvm_data->bands[IEEE80211_BAND_2GHZ].n_channels)
400 hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
401 &mvm->nvm_data->bands[IEEE80211_BAND_2GHZ];
402 if (mvm->nvm_data->bands[IEEE80211_BAND_5GHZ].n_channels)
403 hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
404 &mvm->nvm_data->bands[IEEE80211_BAND_5GHZ];
405
406 hw->wiphy->hw_version = mvm->trans->hw_id;
407
ade50652 408 if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM)
8ca151b5
JB		 409 hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT;
410 else
411 hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
412
6efaaf33
EG		 413 if (IWL_UCODE_API(mvm->fw->ucode_ver) >= 10) {
414 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
415 hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX;
416 hw->wiphy->max_match_sets = IWL_SCAN_MAX_PROFILES;
417 /* we create the 802.11 header and zero length SSID IE. */
418 hw->wiphy->max_sched_scan_ie_len =
419 SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2;
420 }
35a000b7 421
8ca151b5 422 hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN |
ab480030 423 NL80211_FEATURE_LOW_PRIORITY_SCAN |
0d8614b4
EP		 424 NL80211_FEATURE_P2P_GO_OPPPS |
425 NL80211_FEATURE_DYNAMIC_SMPS |
426 NL80211_FEATURE_STATIC_SMPS;
8ca151b5 427
f1daa00e
AO		 428 if (mvm->fw->ucode_capa.capa[0] &
429 IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT)
430 hw->wiphy->features |= NL80211_FEATURE_TX_POWER_INSERTION;
226bcd48
AK		 431 if (mvm->fw->ucode_capa.capa[0] &
432 IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT)
433 hw->wiphy->features |= NL80211_FEATURE_QUIET;
f1daa00e 434
73897bd1
AO		 435 if (mvm->fw->ucode_capa.capa[0] &
436 IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT)
437 hw->wiphy->features |=
438 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES;
439
440 if (mvm->fw->ucode_capa.capa[0] &
441 IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT)
442 hw->wiphy->features |= NL80211_FEATURE_WFA_TPC_IE_IN_PROBES;
443
8ca151b5
JB		 444 mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
445
e36e5433 446 /* currently FW API supports only one optional cipher scheme */
9ddca860 447 if (mvm->fw->cs[0].cipher) {
e36e5433 448 mvm->hw->n_cipher_schemes = 1;
9ddca860 449 mvm->hw->cipher_schemes = &mvm->fw->cs[0];
e36e5433
MS		 450 }
451
8ca151b5 452#ifdef CONFIG_PM_SLEEP
d15a747f
EP		 453 if (iwl_mvm_is_d0i3_supported(mvm) &&
454 device_can_wakeup(mvm->trans->dev)) {
455 mvm->wowlan.flags = WIPHY_WOWLAN_ANY;
456 hw->wiphy->wowlan = &mvm->wowlan;
457 } else if (mvm->fw->img[IWL_UCODE_WOWLAN].sec[0].len &&
8ca151b5
JB		 458 mvm->trans->ops->d3_suspend &&
459 mvm->trans->ops->d3_resume &&
460 device_can_wakeup(mvm->trans->dev)) {
964dc9e2
JB		 461 mvm->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT |
462 WIPHY_WOWLAN_DISCONNECT |
463 WIPHY_WOWLAN_EAP_IDENTITY_REQ |
464 WIPHY_WOWLAN_RFKILL_RELEASE;
8ca151b5 465 if (!iwlwifi_mod_params.sw_crypto)
964dc9e2
JB		 466 mvm->wowlan.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
467 WIPHY_WOWLAN_GTK_REKEY_FAILURE |
468 WIPHY_WOWLAN_4WAY_HANDSHAKE;
469
470 mvm->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS;
471 mvm->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN;
472 mvm->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN;
473 mvm->wowlan.tcp = &iwl_mvm_wowlan_tcp_support;
474 hw->wiphy->wowlan = &mvm->wowlan;
8ca151b5
JB		 475 }
476#endif
477
77736923
EP		 478#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
479 /* assign default bcast filtering configuration */
480 mvm->bcast_filters = iwl_mvm_default_bcast_filters;
481#endif
482
8ca151b5
JB		 483 ret = iwl_mvm_leds_init(mvm);
484 if (ret)
485 return ret;
486
b7327d89
EG		 487 ret = ieee80211_register_hw(mvm->hw);
488 if (ret)
489 iwl_mvm_leds_exit(mvm);
490
491 return ret;
8ca151b5
JB		 492}
493
b2492501
AN		 494static bool iwl_mvm_defer_tx(struct iwl_mvm *mvm,
495 struct ieee80211_sta *sta,
496 struct sk_buff *skb)
497{
498 struct iwl_mvm_sta *mvmsta;
499 bool defer = false;
500
501 /*
502 * double check the IN_D0I3 flag both before and after
503 * taking the spinlock, in order to prevent taking
504 * the spinlock when not needed.
505 */
506 if (likely(!test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status)))
507 return false;
508
509 spin_lock(&mvm->d0i3_tx_lock);
510 /*
511 * testing the flag again ensures the skb dequeue
512 * loop (on d0i3 exit) hasn't run yet.
513 */
514 if (!test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status))
515 goto out;
516
517 mvmsta = iwl_mvm_sta_from_mac80211(sta);
518 if (mvmsta->sta_id == IWL_MVM_STATION_COUNT ||
519 mvmsta->sta_id != mvm->d0i3_ap_sta_id)
520 goto out;
521
522 __skb_queue_tail(&mvm->d0i3_tx, skb);
523 ieee80211_stop_queues(mvm->hw);
524
525 /* trigger wakeup */
526 iwl_mvm_ref(mvm, IWL_MVM_REF_TX);
527 iwl_mvm_unref(mvm, IWL_MVM_REF_TX);
528
529 defer = true;
530out:
531 spin_unlock(&mvm->d0i3_tx_lock);
532 return defer;
533}
534
8ca151b5
JB		 535static void iwl_mvm_mac_tx(struct ieee80211_hw *hw,
536 struct ieee80211_tx_control *control,
537 struct sk_buff *skb)
538{
539 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3e56eadf
JB		 540 struct ieee80211_sta *sta = control->sta;
541 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
542 struct ieee80211_hdr *hdr = (void *)skb->data;
8ca151b5 543
9ee718aa
EL		 544 if (iwl_mvm_is_radio_killed(mvm)) {
545 IWL_DEBUG_DROP(mvm, "Dropping - RF/CT KILL\n");
8ca151b5
JB		 546 goto drop;
547 }
548
398e8c6c 549 if (IEEE80211_SKB_CB(skb)->hw_queue == IWL_MVM_OFFCHANNEL_QUEUE &&
a6cc5163
MG		 550 !test_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status) &&
551 !test_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status))
8ca151b5
JB		 552 goto drop;
553
3e56eadf
JB		 554 /* treat non-bufferable MMPDUs as broadcast if sta is sleeping */
555 if (unlikely(info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER &&
556 ieee80211_is_mgmt(hdr->frame_control) &&
557 !ieee80211_is_deauth(hdr->frame_control) &&
558 !ieee80211_is_disassoc(hdr->frame_control) &&
559 !ieee80211_is_action(hdr->frame_control)))
560 sta = NULL;
561
562 if (sta) {
b2492501
AN		 563 if (iwl_mvm_defer_tx(mvm, sta, skb))
564 return;
3e56eadf 565 if (iwl_mvm_tx_skb(mvm, skb, sta))
8ca151b5
JB		 566 goto drop;
567 return;
568 }
569
570 if (iwl_mvm_tx_skb_non_sta(mvm, skb))
571 goto drop;
572 return;
573 drop:
574 ieee80211_free_txskb(hw, skb);
575}
576
205e2210
EG		 577static inline bool iwl_enable_rx_ampdu(const struct iwl_cfg *cfg)
578{
579 if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_RXAGG)
580 return false;
581 return true;
582}
583
584static inline bool iwl_enable_tx_ampdu(const struct iwl_cfg *cfg)
585{
586 if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_TXAGG)
587 return false;
588 if (iwlwifi_mod_params.disable_11n & IWL_ENABLE_HT_TXAGG)
589 return true;
590
591 /* enabled by default */
592 return true;
593}
594
8ca151b5
JB		 595static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw,
596 struct ieee80211_vif *vif,
597 enum ieee80211_ampdu_mlme_action action,
598 struct ieee80211_sta *sta, u16 tid,
599 u16 *ssn, u8 buf_size)
600{
601 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
602 int ret;
b2492501 603 bool tx_agg_ref = false;
8ca151b5
JB		 604
605 IWL_DEBUG_HT(mvm, "A-MPDU action on addr %pM tid %d: action %d\n",
606 sta->addr, tid, action);
607
608 if (!(mvm->nvm_data->sku_cap_11n_enable))
609 return -EACCES;
610
b2492501 611 /* return from D0i3 before starting a new Tx aggregation */
9256c205
EP		 612 switch (action) {
613 case IEEE80211_AMPDU_TX_START:
614 case IEEE80211_AMPDU_TX_STOP_CONT:
615 case IEEE80211_AMPDU_TX_STOP_FLUSH:
616 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
617 case IEEE80211_AMPDU_TX_OPERATIONAL:
b2492501 618 /*
9256c205
EP		 619 * for tx start, wait synchronously until D0i3 exit to
620 * get the correct sequence number for the tid.
621 * additionally, some other ampdu actions use direct
622 * target access, which is not handled automatically
623 * by the trans layer (unlike commands), so wait for
624 * d0i3 exit in these cases as well.
b2492501 625 */
d40fc489
GG		 626 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_TX_AGG);
627 if (ret)
628 return ret;
629
630 tx_agg_ref = true;
9256c205
EP		 631 break;
632 default:
633 break;
b2492501
AN		 634 }
635
8ca151b5
JB		 636 mutex_lock(&mvm->mutex);
637
638 switch (action) {
639 case IEEE80211_AMPDU_RX_START:
205e2210 640 if (!iwl_enable_rx_ampdu(mvm->cfg)) {
8ca151b5
JB		 641 ret = -EINVAL;
642 break;
643 }
644 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true);
645 break;
646 case IEEE80211_AMPDU_RX_STOP:
647 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false);
648 break;
649 case IEEE80211_AMPDU_TX_START:
205e2210 650 if (!iwl_enable_tx_ampdu(mvm->cfg)) {
5d158efa
EG		 651 ret = -EINVAL;
652 break;
653 }
8ca151b5
JB		 654 ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn);
655 break;
656 case IEEE80211_AMPDU_TX_STOP_CONT:
e3d9e7ce
EG		 657 ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid);
658 break;
8ca151b5
JB		 659 case IEEE80211_AMPDU_TX_STOP_FLUSH:
660 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
e3d9e7ce 661 ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid);
8ca151b5
JB		 662 break;
663 case IEEE80211_AMPDU_TX_OPERATIONAL:
664 ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid, buf_size);
665 break;
666 default:
667 WARN_ON_ONCE(1);
668 ret = -EINVAL;
669 break;
670 }
671 mutex_unlock(&mvm->mutex);
672
b2492501
AN		 673 /*
674 * If the tid is marked as started, we won't use it for offloaded
675 * traffic on the next D0i3 entry. It's safe to unref.
676 */
677 if (tx_agg_ref)
678 iwl_mvm_unref(mvm, IWL_MVM_REF_TX_AGG);
679
8ca151b5
JB		 680 return ret;
681}
682
683static void iwl_mvm_cleanup_iterator(void *data, u8 *mac,
684 struct ieee80211_vif *vif)
685{
686 struct iwl_mvm *mvm = data;
687 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
688
689 mvmvif->uploaded = false;
690 mvmvif->ap_sta_id = IWL_MVM_STATION_COUNT;
691
692 /* does this make sense at all? */
693 mvmvif->color++;
694
695 spin_lock_bh(&mvm->time_event_lock);
696 iwl_mvm_te_clear_data(mvm, &mvmvif->time_event_data);
697 spin_unlock_bh(&mvm->time_event_lock);
698
fe0f2de3 699 mvmvif->phy_ctxt = NULL;
8a275bad 700 memset(&mvmvif->bf_data, 0, sizeof(mvmvif->bf_data));
8ca151b5
JB		 701}
702
aadede6e
JB		 703static ssize_t iwl_mvm_read_coredump(char *buffer, loff_t offset, size_t count,
704 const void *data, size_t datalen)
705{
706 const struct iwl_mvm_dump_ptrs *dump_ptrs = data;
707 ssize_t bytes_read;
708 ssize_t bytes_read_trans;
709
710 if (offset < dump_ptrs->op_mode_len) {
711 bytes_read = min_t(ssize_t, count,
712 dump_ptrs->op_mode_len - offset);
713 memcpy(buffer, (u8 *)dump_ptrs->op_mode_ptr + offset,
714 bytes_read);
715 offset += bytes_read;
716 count -= bytes_read;
717
718 if (count == 0)
719 return bytes_read;
720 } else {
721 bytes_read = 0;
722 }
723
724 if (!dump_ptrs->trans_ptr)
725 return bytes_read;
726
727 offset -= dump_ptrs->op_mode_len;
728 bytes_read_trans = min_t(ssize_t, count,
729 dump_ptrs->trans_ptr->len - offset);
730 memcpy(buffer + bytes_read,
731 (u8 *)dump_ptrs->trans_ptr->data + offset,
732 bytes_read_trans);
733
734 return bytes_read + bytes_read_trans;
735}
736
737static void iwl_mvm_free_coredump(const void *data)
738{
739 const struct iwl_mvm_dump_ptrs *fw_error_dump = data;
740
741 vfree(fw_error_dump->op_mode_ptr);
742 vfree(fw_error_dump->trans_ptr);
743 kfree(fw_error_dump);
744}
745
4bfa47f3 746void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm)
655e6d6d
EG		 747{
748 struct iwl_fw_error_dump_file *dump_file;
749 struct iwl_fw_error_dump_data *dump_data;
750 struct iwl_fw_error_dump_info *dump_info;
48eb7b34 751 struct iwl_mvm_dump_ptrs *fw_error_dump;
655e6d6d
EG		 752 const struct fw_img *img;
753 u32 sram_len, sram_ofs;
754 u32 file_len, rxf_len;
755 unsigned long flags;
655e6d6d
EG		 756 int reg_val;
757
758 lockdep_assert_held(&mvm->mutex);
759
aadede6e 760 fw_error_dump = kzalloc(sizeof(*fw_error_dump), GFP_KERNEL);
48eb7b34
EG		 761 if (!fw_error_dump)
762 return;
763
655e6d6d
EG		 764 img = &mvm->fw->img[mvm->cur_ucode];
765 sram_ofs = img->sec[IWL_UCODE_SECTION_DATA].offset;
766 sram_len = img->sec[IWL_UCODE_SECTION_DATA].len;
767
768 /* reading buffer size */
769 reg_val = iwl_trans_read_prph(mvm->trans, RXF_SIZE_ADDR);
770 rxf_len = (reg_val & RXF_SIZE_BYTE_CNT_MSK) >> RXF_SIZE_BYTE_CND_POS;
771
772 /* the register holds the value divided by 128 */
773 rxf_len = rxf_len << 7;
774
775 file_len = sizeof(*dump_file) +
776 sizeof(*dump_data) * 3 +
777 sram_len +
778 rxf_len +
779 sizeof(*dump_info);
780
5bfe6f53 781 dump_file = vzalloc(file_len);
48eb7b34
EG		 782 if (!dump_file) {
783 kfree(fw_error_dump);
655e6d6d 784 return;
48eb7b34 785 }
655e6d6d 786
48eb7b34 787 fw_error_dump->op_mode_ptr = dump_file;
655e6d6d
EG		 788
789 dump_file->barker = cpu_to_le32(IWL_FW_ERROR_DUMP_BARKER);
655e6d6d
EG		 790 dump_data = (void *)dump_file->data;
791
792 dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_DEV_FW_INFO);
793 dump_data->len = cpu_to_le32(sizeof(*dump_info));
794 dump_info = (void *) dump_data->data;
795 dump_info->device_family =
796 mvm->cfg->device_family == IWL_DEVICE_FAMILY_7000 ?
797 cpu_to_le32(IWL_FW_ERROR_DUMP_FAMILY_7) :
798 cpu_to_le32(IWL_FW_ERROR_DUMP_FAMILY_8);
799 memcpy(dump_info->fw_human_readable, mvm->fw->human_readable,
800 sizeof(dump_info->fw_human_readable));
801 strncpy(dump_info->dev_human_readable, mvm->cfg->name,
802 sizeof(dump_info->dev_human_readable));
803 strncpy(dump_info->bus_human_readable, mvm->dev->bus->name,
804 sizeof(dump_info->bus_human_readable));
805
806 dump_data = iwl_fw_error_next_data(dump_data);
807 dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_RXF);
808 dump_data->len = cpu_to_le32(rxf_len);
809
810 if (iwl_trans_grab_nic_access(mvm->trans, false, &flags)) {
811 u32 *rxf = (void *)dump_data->data;
812 int i;
813
814 for (i = 0; i < (rxf_len / sizeof(u32)); i++) {
815 iwl_trans_write_prph(mvm->trans,
816 RXF_LD_FENCE_OFFSET_ADDR,
817 i * sizeof(u32));
818 rxf[i] = iwl_trans_read_prph(mvm->trans,
819 RXF_FIFO_RD_FENCE_ADDR);
820 }
821 iwl_trans_release_nic_access(mvm->trans, &flags);
822 }
823
824 dump_data = iwl_fw_error_next_data(dump_data);
825 dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_SRAM);
826 dump_data->len = cpu_to_le32(sram_len);
827 iwl_trans_read_mem_bytes(mvm->trans, sram_ofs, dump_data->data,
828 sram_len);
829
48eb7b34
EG		 830 fw_error_dump->trans_ptr = iwl_trans_dump_data(mvm->trans);
831 fw_error_dump->op_mode_len = file_len;
832 if (fw_error_dump->trans_ptr)
833 file_len += fw_error_dump->trans_ptr->len;
834 dump_file->file_len = cpu_to_le32(file_len);
4bfa47f3 835
aadede6e
JB		 836 dev_coredumpm(mvm->trans->dev, THIS_MODULE, fw_error_dump, 0,
837 GFP_KERNEL, iwl_mvm_read_coredump, iwl_mvm_free_coredump);
655e6d6d 838}
655e6d6d 839
8ca151b5
JB		 840static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm)
841{
1bd3cbc1
EG		 842 iwl_mvm_fw_error_dump(mvm);
843
8ca151b5 844 iwl_trans_stop_device(mvm->trans);
8ca151b5
JB		 845
846 mvm->scan_status = IWL_MVM_SCAN_NONE;
b1873300 847 mvm->ps_disabled = false;
8ca151b5
JB		 848
849 /* just in case one was running */
850 ieee80211_remain_on_channel_expired(mvm->hw);
851
852 ieee80211_iterate_active_interfaces_atomic(
853 mvm->hw, IEEE80211_IFACE_ITER_RESUME_ALL,
854 iwl_mvm_cleanup_iterator, mvm);
855
fe0f2de3 856 mvm->p2p_device_vif = NULL;
37577fe2 857 mvm->d0i3_ap_sta_id = IWL_MVM_STATION_COUNT;
fe0f2de3
IP		 858
859 iwl_mvm_reset_phy_ctxts(mvm);
8ca151b5
JB		 860 memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table));
861 memset(mvm->sta_drained, 0, sizeof(mvm->sta_drained));
8a275bad
EG		 862 memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif));
863 memset(&mvm->last_bt_notif_old, 0, sizeof(mvm->last_bt_notif_old));
864 memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd));
865 memset(&mvm->last_bt_ci_cmd_old, 0, sizeof(mvm->last_bt_ci_cmd_old));
866 memset(&mvm->bt_ack_kill_msk, 0, sizeof(mvm->bt_ack_kill_msk));
867 memset(&mvm->bt_cts_kill_msk, 0, sizeof(mvm->bt_cts_kill_msk));
8ca151b5
JB		 868
869 ieee80211_wake_queues(mvm->hw);
870
7498cf4c
EP		 871 /* cleanup all stale references (scan, roc), but keep the
872 * ucode_down ref until reconfig is complete */
873 iwl_mvm_unref_all_except(mvm, IWL_MVM_REF_UCODE_DOWN);
874
228670b2
EP		 875 /* clear any stale d0i3 state */
876 clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status);
877
8ca151b5 878 mvm->vif_count = 0;
113a0447 879 mvm->rx_ba_sessions = 0;
8ca151b5
JB		 880}
881
a0a09243 882int __iwl_mvm_mac_start(struct iwl_mvm *mvm)
8ca151b5 883{
8ca151b5
JB		 884 int ret;
885
a0a09243 886 lockdep_assert_held(&mvm->mutex);
8ca151b5
JB		 887
888 /* Clean up some internal and mac80211 state on restart */
889 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
890 iwl_mvm_restart_cleanup(mvm);
891
892 ret = iwl_mvm_up(mvm);
c47af22a
JB		 893
894 if (ret && test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
895 /* Something went wrong - we need to finish some cleanup
896 * that normally iwl_mvm_mac_restart_complete() below
897 * would do.
898 */
899 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
900 iwl_mvm_d0i3_enable_tx(mvm, NULL);
901 }
902
a0a09243
LC		 903 return ret;
904}
905
906static int iwl_mvm_mac_start(struct ieee80211_hw *hw)
907{
908 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
909 int ret;
910
911 mutex_lock(&mvm->mutex);
912 ret = __iwl_mvm_mac_start(mvm);
8ca151b5
JB		 913 mutex_unlock(&mvm->mutex);
914
915 return ret;
916}
917
918static void iwl_mvm_mac_restart_complete(struct ieee80211_hw *hw)
919{
920 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
921 int ret;
922
923 mutex_lock(&mvm->mutex);
924
925 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
b2492501 926 iwl_mvm_d0i3_enable_tx(mvm, NULL);
0166230c 927 ret = iwl_mvm_update_quotas(mvm, NULL);
8ca151b5
JB		 928 if (ret)
929 IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n",
930 ret);
931
7498cf4c
EP		 932 /* allow transport/FW low power modes */
933 iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN);
934
8ca151b5
JB		 935 mutex_unlock(&mvm->mutex);
936}
937
a0a09243 938void __iwl_mvm_mac_stop(struct iwl_mvm *mvm)
8ca151b5 939{
a0a09243 940 lockdep_assert_held(&mvm->mutex);
7498cf4c
EP		 941
942 /* disallow low power states when the FW is down */
943 iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN);
944
8ca151b5
JB		 945 /* async_handlers_wk is now blocked */
946
947 /*
948 * The work item could be running or queued if the
949 * ROC time event stops just as we get here.
950 */
951 cancel_work_sync(&mvm->roc_done_wk);
952
953 iwl_trans_stop_device(mvm->trans);
8ca151b5
JB		 954
955 iwl_mvm_async_handlers_purge(mvm);
956 /* async_handlers_list is empty and will stay empty: HW is stopped */
957
958 /* the fw is stopped, the aux sta is dead: clean up driver state */
712b24ad 959 iwl_mvm_del_aux_sta(mvm);
8ca151b5 960
bc44886d 961 mvm->ucode_loaded = false;
a0a09243 962}
bc44886d 963
a0a09243
LC		 964static void iwl_mvm_mac_stop(struct ieee80211_hw *hw)
965{
966 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
967
968 flush_work(&mvm->d0i3_exit_work);
969 flush_work(&mvm->async_handlers_wk);
4bfa47f3 970 flush_work(&mvm->fw_error_dump_wk);
a0a09243
LC		 971
972 mutex_lock(&mvm->mutex);
973 __iwl_mvm_mac_stop(mvm);
8ca151b5
JB		 974 mutex_unlock(&mvm->mutex);
975
976 /*
977 * The worker might have been waiting for the mutex, let it run and
978 * discover that its list is now empty.
979 */
980 cancel_work_sync(&mvm->async_handlers_wk);
981}
982
fe0f2de3
IP		 983static struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm)
984{
985 u16 i;
986
987 lockdep_assert_held(&mvm->mutex);
988
989 for (i = 0; i < NUM_PHY_CTX; i++)
990 if (!mvm->phy_ctxts[i].ref)
991 return &mvm->phy_ctxts[i];
992
993 IWL_ERR(mvm, "No available PHY context\n");
994 return NULL;
995}
996
ee9c6cb0
EG		 997static int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
998 s8 tx_power)
999{
1000 /* FW is in charge of regulatory enforcement */
1001 struct iwl_reduce_tx_power_cmd reduce_txpwr_cmd = {
1002 .mac_context_id = iwl_mvm_vif_from_mac80211(vif)->id,
1003 .pwr_restriction = cpu_to_le16(tx_power),
1004 };
1005
a1022927 1006 return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0,
ee9c6cb0
EG		 1007 sizeof(reduce_txpwr_cmd),
1008 &reduce_txpwr_cmd);
1009}
1010
8ca151b5
JB		 1011static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw,
1012 struct ieee80211_vif *vif)
1013{
1014 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1015 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1016 int ret;
1017
d40fc489
GG		 1018 /*
1019 * make sure D0i3 exit is completed, otherwise a target access
1020 * during tx queue configuration could be done when still in
1021 * D0i3 state.
1022 */
1023 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_ADD_IF);
1024 if (ret)
1025 return ret;
1026
8ca151b5
JB		 1027 /*
1028 * Not much to do here. The stack will not allow interface
1029 * types or combinations that we didn't advertise, so we
1030 * don't really have to check the types.
1031 */
1032
1033 mutex_lock(&mvm->mutex);
1034
e89044d7 1035 /* Allocate resources for the MAC context, and add it to the fw */
8ca151b5
JB		 1036 ret = iwl_mvm_mac_ctxt_init(mvm, vif);
1037 if (ret)
1038 goto out_unlock;
1039
1c2abf72 1040 /* Counting number of interfaces is needed for legacy PM */
ea183d02
IP		 1041 if (vif->type != NL80211_IFTYPE_P2P_DEVICE)
1042 mvm->vif_count++;
ea183d02 1043
8ca151b5
JB		 1044 /*
1045 * The AP binding flow can be done only after the beacon
1046 * template is configured (which happens only in the mac80211
1047 * start_ap() flow), and adding the broadcast station can happen
1048 * only after the binding.
1049 * In addition, since modifying the MAC before adding a bcast
1050 * station is not allowed by the FW, delay the adding of MAC context to
1051 * the point where we can also add the bcast station.
1052 * In short: there's not much we can do at this point, other than
1053 * allocating resources :)
1054 */
5023d966
JB		 1055 if (vif->type == NL80211_IFTYPE_AP ||
1056 vif->type == NL80211_IFTYPE_ADHOC) {
013290aa 1057 ret = iwl_mvm_alloc_bcast_sta(mvm, vif);
8ca151b5
JB		 1058 if (ret) {
1059 IWL_ERR(mvm, "Failed to allocate bcast sta\n");
1060 goto out_release;
1061 }
1062
77740cb4 1063 iwl_mvm_vif_dbgfs_register(mvm, vif);
8ca151b5
JB		 1064 goto out_unlock;
1065 }
1066
8ca151b5
JB		 1067 ret = iwl_mvm_mac_ctxt_add(mvm, vif);
1068 if (ret)
1069 goto out_release;
1070
999609f1 1071 ret = iwl_mvm_power_update_mac(mvm);
e5e7aa8e
EG		 1072 if (ret)
1073 goto out_release;
8ca151b5 1074
7df15b1e 1075 /* beacon filtering */
a1022927 1076 ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0);
bd3351ba
EP		 1077 if (ret)
1078 goto out_remove_mac;
1079
7df15b1e 1080 if (!mvm->bf_allowed_vif &&
73e5f2c5 1081 vif->type == NL80211_IFTYPE_STATION && !vif->p2p) {
7df15b1e 1082 mvm->bf_allowed_vif = mvmvif;
a20fd398
AO		 1083 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER |
1084 IEEE80211_VIF_SUPPORTS_CQM_RSSI;
7df15b1e
HG		 1085 }
1086
8ca151b5
JB		 1087 /*
1088 * P2P_DEVICE interface does not have a channel context assigned to it,
1089 * so a dedicated PHY context is allocated to it and the corresponding
1090 * MAC context is bound to it at this stage.
1091 */
1092 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
8ca151b5 1093
fe0f2de3
IP		 1094 mvmvif->phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
1095 if (!mvmvif->phy_ctxt) {
1096 ret = -ENOSPC;
bd3351ba 1097 goto out_free_bf;
fe0f2de3 1098 }
8ca151b5 1099
53a9d61e 1100 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
8ca151b5
JB		 1101 ret = iwl_mvm_binding_add_vif(mvm, vif);
1102 if (ret)
53a9d61e 1103 goto out_unref_phy;
8ca151b5 1104
013290aa 1105 ret = iwl_mvm_add_bcast_sta(mvm, vif);
8ca151b5
JB		 1106 if (ret)
1107 goto out_unbind;
1108
1109 /* Save a pointer to p2p device vif, so it can later be used to
1110 * update the p2p device MAC when a GO is started/stopped */
1111 mvm->p2p_device_vif = vif;
1112 }
1113
63494374 1114 iwl_mvm_vif_dbgfs_register(mvm, vif);
8ca151b5
JB		 1115 goto out_unlock;
1116
1117 out_unbind:
1118 iwl_mvm_binding_remove_vif(mvm, vif);
53a9d61e 1119 out_unref_phy:
fe0f2de3 1120 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
bd3351ba
EP		 1121 out_free_bf:
1122 if (mvm->bf_allowed_vif == mvmvif) {
1123 mvm->bf_allowed_vif = NULL;
a20fd398
AO		 1124 vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER |
1125 IEEE80211_VIF_SUPPORTS_CQM_RSSI);
bd3351ba 1126 }
8ca151b5
JB		 1127 out_remove_mac:
1128 mvmvif->phy_ctxt = NULL;
1129 iwl_mvm_mac_ctxt_remove(mvm, vif);
1130 out_release:
5ee2b215
AB		 1131 if (vif->type != NL80211_IFTYPE_P2P_DEVICE)
1132 mvm->vif_count--;
1c2abf72 1133
8ca151b5
JB		 1134 iwl_mvm_mac_ctxt_release(mvm, vif);
1135 out_unlock:
1136 mutex_unlock(&mvm->mutex);
1137
d40fc489
GG		 1138 iwl_mvm_unref(mvm, IWL_MVM_REF_ADD_IF);
1139
8ca151b5
JB		 1140 return ret;
1141}
1142
38a12b5b
JB		 1143static void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm,
1144 struct ieee80211_vif *vif)
8ca151b5 1145{
d92b732e 1146 u32 tfd_msk = iwl_mvm_mac_get_queues_mask(vif);
8ca151b5
JB		 1147
1148 if (tfd_msk) {
1149 mutex_lock(&mvm->mutex);
1150 iwl_mvm_flush_tx_path(mvm, tfd_msk, true);
1151 mutex_unlock(&mvm->mutex);
1152 }
1153
1154 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
1155 /*
1156 * Flush the ROC worker which will flush the OFFCHANNEL queue.
1157 * We assume here that all the packets sent to the OFFCHANNEL
1158 * queue are sent in ROC session.
1159 */
1160 flush_work(&mvm->roc_done_wk);
1161 } else {
1162 /*
1163 * By now, all the AC queues are empty. The AGG queues are
1164 * empty too. We already got all the Tx responses for all the
1165 * packets in the queues. The drain work can have been
0742a75a 1166 * triggered. Flush it.
8ca151b5
JB		 1167 */
1168 flush_work(&mvm->sta_drained_wk);
1169 }
38a12b5b
JB		 1170}
1171
1172static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw,
1173 struct ieee80211_vif *vif)
1174{
1175 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1176 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1177
1178 iwl_mvm_prepare_mac_removal(mvm, vif);
8ca151b5
JB		 1179
1180 mutex_lock(&mvm->mutex);
1181
7df15b1e
HG		 1182 if (mvm->bf_allowed_vif == mvmvif) {
1183 mvm->bf_allowed_vif = NULL;
a20fd398
AO		 1184 vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER |
1185 IEEE80211_VIF_SUPPORTS_CQM_RSSI);
7df15b1e
HG		 1186 }
1187
63494374
JB		 1188 iwl_mvm_vif_dbgfs_clean(mvm, vif);
1189
8ca151b5
JB		 1190 /*
1191 * For AP/GO interface, the tear down of the resources allocated to the
38a12b5b 1192 * interface is be handled as part of the stop_ap flow.
8ca151b5 1193 */
5023d966
JB		 1194 if (vif->type == NL80211_IFTYPE_AP ||
1195 vif->type == NL80211_IFTYPE_ADHOC) {
507cadf2
DS		 1196#ifdef CONFIG_NL80211_TESTMODE
1197 if (vif == mvm->noa_vif) {
1198 mvm->noa_vif = NULL;
1199 mvm->noa_duration = 0;
1200 }
1201#endif
013290aa 1202 iwl_mvm_dealloc_bcast_sta(mvm, vif);
8ca151b5
JB		 1203 goto out_release;
1204 }
1205
1206 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
1207 mvm->p2p_device_vif = NULL;
013290aa 1208 iwl_mvm_rm_bcast_sta(mvm, vif);
8ca151b5 1209 iwl_mvm_binding_remove_vif(mvm, vif);
fe0f2de3 1210 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
8ca151b5
JB		 1211 mvmvif->phy_ctxt = NULL;
1212 }
1213
5ee2b215 1214 if (mvm->vif_count && vif->type != NL80211_IFTYPE_P2P_DEVICE)
8ca151b5 1215 mvm->vif_count--;
1c2abf72 1216
999609f1 1217 iwl_mvm_power_update_mac(mvm);
8ca151b5
JB		 1218 iwl_mvm_mac_ctxt_remove(mvm, vif);
1219
1220out_release:
1221 iwl_mvm_mac_ctxt_release(mvm, vif);
1222 mutex_unlock(&mvm->mutex);
1223}
1224
1225static int iwl_mvm_mac_config(struct ieee80211_hw *hw, u32 changed)
88f2fd73 1226{
8ca151b5
JB		 1227 return 0;
1228}
1229
e59647ea
EP		 1230struct iwl_mvm_mc_iter_data {
1231 struct iwl_mvm *mvm;
1232 int port_id;
1233};
1234
1235static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac,
1236 struct ieee80211_vif *vif)
1237{
1238 struct iwl_mvm_mc_iter_data *data = _data;
1239 struct iwl_mvm *mvm = data->mvm;
1240 struct iwl_mcast_filter_cmd *cmd = mvm->mcast_filter_cmd;
1241 int ret, len;
1242
1243 /* if we don't have free ports, mcast frames will be dropped */
1244 if (WARN_ON_ONCE(data->port_id >= MAX_PORT_ID_NUM))
1245 return;
1246
1247 if (vif->type != NL80211_IFTYPE_STATION ||
1248 !vif->bss_conf.assoc)
1249 return;
1250
1251 cmd->port_id = data->port_id++;
1252 memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN);
1253 len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4);
1254
1c4abec0 1255 ret = iwl_mvm_send_cmd_pdu(mvm, MCAST_FILTER_CMD, CMD_ASYNC, len, cmd);
e59647ea
EP		 1256 if (ret)
1257 IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret);
1258}
1259
1260static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm)
1261{
1262 struct iwl_mvm_mc_iter_data iter_data = {
1263 .mvm = mvm,
88f2fd73
MG		 1264 };
1265
e59647ea
EP		 1266 lockdep_assert_held(&mvm->mutex);
1267
1268 if (WARN_ON_ONCE(!mvm->mcast_filter_cmd))
1269 return;
1270
1c4abec0 1271 ieee80211_iterate_active_interfaces_atomic(
e59647ea
EP		 1272 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
1273 iwl_mvm_mc_iface_iterator, &iter_data);
88f2fd73
MG		 1274}
1275
e59647ea
EP		 1276static u64 iwl_mvm_prepare_multicast(struct ieee80211_hw *hw,
1277 struct netdev_hw_addr_list *mc_list)
8ca151b5 1278{
e59647ea
EP		 1279 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1280 struct iwl_mcast_filter_cmd *cmd;
1281 struct netdev_hw_addr *addr;
f3bd58f4
MS		 1282 int addr_count;
1283 bool pass_all;
e59647ea
EP		 1284 int len;
1285
f3bd58f4
MS		 1286 addr_count = netdev_hw_addr_list_count(mc_list);
1287 pass_all = addr_count > MAX_MCAST_FILTERING_ADDRESSES ||
1288 IWL_MVM_FW_MCAST_FILTER_PASS_ALL;
1289 if (pass_all)
e59647ea 1290 addr_count = 0;
e59647ea
EP		 1291
1292 len = roundup(sizeof(*cmd) + addr_count * ETH_ALEN, 4);
1293 cmd = kzalloc(len, GFP_ATOMIC);
1294 if (!cmd)
1295 return 0;
1296
1297 if (pass_all) {
1298 cmd->pass_all = 1;
1299 return (u64)(unsigned long)cmd;
1300 }
1301
1302 netdev_hw_addr_list_for_each(addr, mc_list) {
1303 IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %pM\n",
1304 cmd->count, addr->addr);
1305 memcpy(&cmd->addr_list[cmd->count * ETH_ALEN],
1306 addr->addr, ETH_ALEN);
1307 cmd->count++;
1308 }
1309
1310 return (u64)(unsigned long)cmd;
8ca151b5
JB		 1311}
1312
1313static void iwl_mvm_configure_filter(struct ieee80211_hw *hw,
1314 unsigned int changed_flags,
1315 unsigned int *total_flags,
1316 u64 multicast)
1317{
e59647ea
EP		 1318 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1319 struct iwl_mcast_filter_cmd *cmd = (void *)(unsigned long)multicast;
8ca151b5 1320
e59647ea 1321 mutex_lock(&mvm->mutex);
51b6b9e0 1322
e59647ea
EP		 1323 /* replace previous configuration */
1324 kfree(mvm->mcast_filter_cmd);
1325 mvm->mcast_filter_cmd = cmd;
51b6b9e0 1326
e59647ea
EP		 1327 if (!cmd)
1328 goto out;
51b6b9e0 1329
e59647ea
EP		 1330 iwl_mvm_recalc_multicast(mvm);
1331out:
1332 mutex_unlock(&mvm->mutex);
1333 *total_flags = 0;
51b6b9e0
EG		 1334}
1335
c87163b9
EP		 1336#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1337struct iwl_bcast_iter_data {
1338 struct iwl_mvm *mvm;
1339 struct iwl_bcast_filter_cmd *cmd;
1340 u8 current_filter;
1341};
1342
1343static void
1344iwl_mvm_set_bcast_filter(struct ieee80211_vif *vif,
1345 const struct iwl_fw_bcast_filter *in_filter,
1346 struct iwl_fw_bcast_filter *out_filter)
1347{
1348 struct iwl_fw_bcast_filter_attr *attr;
1349 int i;
1350
1351 memcpy(out_filter, in_filter, sizeof(*out_filter));
1352
1353 for (i = 0; i < ARRAY_SIZE(out_filter->attrs); i++) {
1354 attr = &out_filter->attrs[i];
1355
1356 if (!attr->mask)
1357 break;
1358
2ee8f021
EP		 1359 switch (attr->reserved1) {
1360 case cpu_to_le16(BC_FILTER_MAGIC_IP):
1361 if (vif->bss_conf.arp_addr_cnt != 1) {
1362 attr->mask = 0;
1363 continue;
1364 }
1365
1366 attr->val = vif->bss_conf.arp_addr_list[0];
1367 break;
1368 case cpu_to_le16(BC_FILTER_MAGIC_MAC):
1369 attr->val = *(__be32 *)&vif->addr[2];
1370 break;
1371 default:
1372 break;
1373 }
1374 attr->reserved1 = 0;
c87163b9
EP		 1375 out_filter->num_attrs++;
1376 }
1377}
1378
1379static void iwl_mvm_bcast_filter_iterator(void *_data, u8 *mac,
1380 struct ieee80211_vif *vif)
1381{
1382 struct iwl_bcast_iter_data *data = _data;
1383 struct iwl_mvm *mvm = data->mvm;
1384 struct iwl_bcast_filter_cmd *cmd = data->cmd;
1385 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1386 struct iwl_fw_bcast_mac *bcast_mac;
1387 int i;
1388
1389 if (WARN_ON(mvmvif->id >= ARRAY_SIZE(cmd->macs)))
1390 return;
1391
1392 bcast_mac = &cmd->macs[mvmvif->id];
1393
e48393e8
IP		 1394 /*
1395 * enable filtering only for associated stations, but not for P2P
1396 * Clients
1397 */
1398 if (vif->type != NL80211_IFTYPE_STATION || vif->p2p ||
1399 !vif->bss_conf.assoc)
c87163b9
EP		 1400 return;
1401
1402 bcast_mac->default_discard = 1;
1403
1404 /* copy all configured filters */
1405 for (i = 0; mvm->bcast_filters[i].attrs[0].mask; i++) {
1406 /*
1407 * Make sure we don't exceed our filters limit.
1408 * if there is still a valid filter to be configured,
1409 * be on the safe side and just allow bcast for this mac.
1410 */
1411 if (WARN_ON_ONCE(data->current_filter >=
1412 ARRAY_SIZE(cmd->filters))) {
1413 bcast_mac->default_discard = 0;
1414 bcast_mac->attached_filters = 0;
1415 break;
1416 }
1417
1418 iwl_mvm_set_bcast_filter(vif,
1419 &mvm->bcast_filters[i],
1420 &cmd->filters[data->current_filter]);
1421
1422 /* skip current filter if it contains no attributes */
1423 if (!cmd->filters[data->current_filter].num_attrs)
1424 continue;
1425
1426 /* attach the filter to current mac */
1427 bcast_mac->attached_filters |=
1428 cpu_to_le16(BIT(data->current_filter));
1429
1430 data->current_filter++;
1431 }
1432}
1433
de06a59e
EP		 1434bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
1435 struct iwl_bcast_filter_cmd *cmd)
c87163b9 1436{
c87163b9
EP		 1437 struct iwl_bcast_iter_data iter_data = {
1438 .mvm = mvm,
de06a59e 1439 .cmd = cmd,
c87163b9
EP		 1440 };
1441
3b8983b1
MS		 1442 if (IWL_MVM_FW_BCAST_FILTER_PASS_ALL)
1443 return false;
1444
de06a59e
EP		 1445 memset(cmd, 0, sizeof(*cmd));
1446 cmd->max_bcast_filters = ARRAY_SIZE(cmd->filters);
1447 cmd->max_macs = ARRAY_SIZE(cmd->macs);
1448
1449#ifdef CONFIG_IWLWIFI_DEBUGFS
1450 /* use debugfs filters/macs if override is configured */
1451 if (mvm->dbgfs_bcast_filtering.override) {
1452 memcpy(cmd->filters, &mvm->dbgfs_bcast_filtering.cmd.filters,
1453 sizeof(cmd->filters));
1454 memcpy(cmd->macs, &mvm->dbgfs_bcast_filtering.cmd.macs,
1455 sizeof(cmd->macs));
1456 return true;
1457 }
1458#endif
c87163b9
EP		 1459
1460 /* if no filters are configured, do nothing */
1461 if (!mvm->bcast_filters)
de06a59e 1462 return false;
c87163b9
EP		 1463
1464 /* configure and attach these filters for each associated sta vif */
1465 ieee80211_iterate_active_interfaces(
1466 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
1467 iwl_mvm_bcast_filter_iterator, &iter_data);
1468
de06a59e
EP		 1469 return true;
1470}
1471static int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm,
1472 struct ieee80211_vif *vif)
1473{
1474 struct iwl_bcast_filter_cmd cmd;
1475
1476 if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING))
1477 return 0;
1478
1479 if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd))
1480 return 0;
1481
a1022927 1482 return iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0,
c87163b9
EP		 1483 sizeof(cmd), &cmd);
1484}
1485#else
1486static inline int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm,
1487 struct ieee80211_vif *vif)
1488{
1489 return 0;
1490}
1491#endif
1492
8ca151b5
JB		 1493static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm,
1494 struct ieee80211_vif *vif,
1495 struct ieee80211_bss_conf *bss_conf,
1496 u32 changes)
1497{
1498 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1499 int ret;
1500
6e97b0d2
IP		 1501 /*
1502 * Re-calculate the tsf id, as the master-slave relations depend on the
1503 * beacon interval, which was not known when the station interface was
1504 * added.
1505 */
1506 if (changes & BSS_CHANGED_ASSOC && bss_conf->assoc)
1507 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif);
1508
3dfd3a97
JB		 1509 /*
1510 * If we're not associated yet, take the (new) BSSID before associating
1511 * so the firmware knows. If we're already associated, then use the old
1512 * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC
1513 * branch for disassociation below.
1514 */
1515 if (changes & BSS_CHANGED_BSSID && !mvmvif->associated)
1516 memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN);
1517
1518 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, mvmvif->bssid);
8ca151b5
JB		 1519 if (ret)
1520 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr);
1521
3dfd3a97
JB		 1522 /* after sending it once, adopt mac80211 data */
1523 memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN);
1524 mvmvif->associated = bss_conf->assoc;
1525
8ca151b5
JB		 1526 if (changes & BSS_CHANGED_ASSOC) {
1527 if (bss_conf->assoc) {
1528 /* add quota for this interface */
0166230c 1529 ret = iwl_mvm_update_quotas(mvm, NULL);
8ca151b5
JB		 1530 if (ret) {
1531 IWL_ERR(mvm, "failed to update quotas\n");
1532 return;
1533 }
016d27e1
JB		 1534
1535 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART,
1536 &mvm->status)) {
1537 /*
1538 * If we're restarting then the firmware will
1539 * obviously have lost synchronisation with
1540 * the AP. It will attempt to synchronise by
1541 * itself, but we can make it more reliable by
1542 * scheduling a session protection time event.
1543 *
1544 * The firmware needs to receive a beacon to
1545 * catch up with synchronisation, use 110% of
1546 * the beacon interval.
1547 *
1548 * Set a large maximum delay to allow for more
1549 * than a single interface.
1550 */
1551 u32 dur = (11 * vif->bss_conf.beacon_int) / 10;
1552 iwl_mvm_protect_session(mvm, vif, dur, dur,
d20d37bc 1553 5 * dur, false);
016d27e1 1554 }
1f3b0ff8
LE		 1555
1556 iwl_mvm_sf_update(mvm, vif, false);
175a70b7 1557 iwl_mvm_power_vif_assoc(mvm, vif);
697162a1 1558 if (vif->p2p) {
29a90a49 1559 iwl_mvm_ref(mvm, IWL_MVM_REF_P2P_CLIENT);
697162a1
EG		 1560 iwl_mvm_update_smps(mvm, vif,
1561 IWL_MVM_SMPS_REQ_PROT,
1562 IEEE80211_SMPS_DYNAMIC);
1563 }
8ca151b5 1564 } else if (mvmvif->ap_sta_id != IWL_MVM_STATION_COUNT) {
1f3b0ff8
LE		 1565 /*
1566 * If update fails - SF might be running in associated
1567 * mode while disassociated - which is forbidden.
1568 */
1569 WARN_ONCE(iwl_mvm_sf_update(mvm, vif, false),
1570 "Failed to update SF upon disassociation\n");
1571
8ca151b5
JB		 1572 /* remove AP station now that the MAC is unassoc */
1573 ret = iwl_mvm_rm_sta_id(mvm, vif, mvmvif->ap_sta_id);
1574 if (ret)
1575 IWL_ERR(mvm, "failed to remove AP station\n");
37577fe2
EP		 1576
1577 if (mvm->d0i3_ap_sta_id == mvmvif->ap_sta_id)
1578 mvm->d0i3_ap_sta_id = IWL_MVM_STATION_COUNT;
8ca151b5
JB		 1579 mvmvif->ap_sta_id = IWL_MVM_STATION_COUNT;
1580 /* remove quota for this interface */
0166230c 1581 ret = iwl_mvm_update_quotas(mvm, NULL);
8ca151b5
JB		 1582 if (ret)
1583 IWL_ERR(mvm, "failed to update quotas\n");
29a90a49
EP		 1584
1585 if (vif->p2p)
1586 iwl_mvm_unref(mvm, IWL_MVM_REF_P2P_CLIENT);
3dfd3a97
JB		 1587
1588 /* this will take the cleared BSSID from bss_conf */
1589 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
1590 if (ret)
1591 IWL_ERR(mvm,
1592 "failed to update MAC %pM (clear after unassoc)\n",
1593 vif->addr);
8ca151b5 1594 }
a20fd398 1595
e59647ea 1596 iwl_mvm_recalc_multicast(mvm);
c87163b9 1597 iwl_mvm_configure_bcast_filter(mvm, vif);
e59647ea 1598
a20fd398
AO		 1599 /* reset rssi values */
1600 mvmvif->bf_data.ave_beacon_signal = 0;
1601
8e484f0b 1602 iwl_mvm_bt_coex_vif_change(mvm);
f94045ed
EG		 1603 iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_TT,
1604 IEEE80211_SMPS_AUTOMATIC);
989c6505 1605 } else if (changes & BSS_CHANGED_BEACON_INFO) {
210a544e
JB		 1606 /*
1607 * We received a beacon _after_ association so
1608 * remove the session protection.
1609 */
1610 iwl_mvm_remove_time_event(mvm, mvmvif,
1611 &mvmvif->time_event_data);
8ca151b5 1612 }
cc87d322
EH		 1613
1614 if (changes & BSS_CHANGED_BEACON_INFO) {
1615 iwl_mvm_sf_update(mvm, vif, false);
1616 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0));
1617 }
1618
1bc10d3b
JB		 1619 if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS)) {
1620 ret = iwl_mvm_power_update_mac(mvm);
1621 if (ret)
1622 IWL_ERR(mvm, "failed to update power mode\n");
1623 }
1624
88f2fd73
MG		 1625 if (changes & BSS_CHANGED_TXPOWER) {
1626 IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n",
1627 bss_conf->txpower);
1628 iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower);
1629 }
a20fd398
AO		 1630
1631 if (changes & BSS_CHANGED_CQM) {
3c6acb61 1632 IWL_DEBUG_MAC80211(mvm, "cqm info_changed\n");
a20fd398
AO		 1633 /* reset cqm events tracking */
1634 mvmvif->bf_data.last_cqm_event = 0;
fa7b2e7f
AA		 1635 if (mvmvif->bf_data.bf_enabled) {
1636 ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0);
1637 if (ret)
1638 IWL_ERR(mvm,
1639 "failed to update CQM thresholds\n");
1640 }
a20fd398 1641 }
2ee8f021
EP		 1642
1643 if (changes & BSS_CHANGED_ARP_FILTER) {
3c6acb61 1644 IWL_DEBUG_MAC80211(mvm, "arp filter changed\n");
2ee8f021
EP		 1645 iwl_mvm_configure_bcast_filter(mvm, vif);
1646 }
8ca151b5
JB		 1647}
1648
5023d966
JB		 1649static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw,
1650 struct ieee80211_vif *vif)
8ca151b5
JB		 1651{
1652 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1653 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1654 int ret;
1655
576eeee9
EP		 1656 /*
1657 * iwl_mvm_mac_ctxt_add() might read directly from the device
1658 * (the system time), so make sure it is available.
1659 */
1660 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_START_AP);
1661 if (ret)
1662 return ret;
1663
8ca151b5
JB		 1664 mutex_lock(&mvm->mutex);
1665
1666 /* Send the beacon template */
1667 ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif);
1668 if (ret)
1669 goto out_unlock;
1670
6e97b0d2
IP		 1671 /*
1672 * Re-calculate the tsf id, as the master-slave relations depend on the
1673 * beacon interval, which was not known when the AP interface was added.
1674 */
1675 if (vif->type == NL80211_IFTYPE_AP)
1676 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif);
1677
8ca151b5
JB		 1678 /* Add the mac context */
1679 ret = iwl_mvm_mac_ctxt_add(mvm, vif);
1680 if (ret)
1681 goto out_unlock;
1682
1683 /* Perform the binding */
1684 ret = iwl_mvm_binding_add_vif(mvm, vif);
1685 if (ret)
1686 goto out_remove;
1687
8ca151b5
JB		 1688 /* Send the bcast station. At this stage the TBTT and DTIM time events
1689 * are added and applied to the scheduler */
013290aa 1690 ret = iwl_mvm_send_add_bcast_sta(mvm, vif);
8ca151b5
JB		 1691 if (ret)
1692 goto out_unbind;
1693
5691e218
IP		 1694 /* must be set before quota calculations */
1695 mvmvif->ap_ibss_active = true;
1696
a11e144e 1697 /* power updated needs to be done before quotas */
999609f1 1698 iwl_mvm_power_update_mac(mvm);
a11e144e 1699
0166230c 1700 ret = iwl_mvm_update_quotas(mvm, NULL);
8ca151b5 1701 if (ret)
a11e144e 1702 goto out_quota_failed;
8ca151b5 1703
5023d966 1704 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
8ca151b5 1705 if (vif->p2p && mvm->p2p_device_vif)
3dfd3a97 1706 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL);
8ca151b5 1707
29a90a49
EP		 1708 iwl_mvm_ref(mvm, IWL_MVM_REF_AP_IBSS);
1709
8e484f0b 1710 iwl_mvm_bt_coex_vif_change(mvm);
dac94da8 1711
f697267f
AN		 1712 /* we don't support TDLS during DCM */
1713 if (iwl_mvm_phy_ctx_count(mvm) > 1)
1714 iwl_mvm_teardown_tdls_peers(mvm);
1715
8ca151b5
JB		 1716 mutex_unlock(&mvm->mutex);
1717 return 0;
1718
a11e144e 1719out_quota_failed:
999609f1 1720 iwl_mvm_power_update_mac(mvm);
5691e218 1721 mvmvif->ap_ibss_active = false;
013290aa 1722 iwl_mvm_send_rm_bcast_sta(mvm, vif);
8ca151b5
JB		 1723out_unbind:
1724 iwl_mvm_binding_remove_vif(mvm, vif);
1725out_remove:
1726 iwl_mvm_mac_ctxt_remove(mvm, vif);
1727out_unlock:
1728 mutex_unlock(&mvm->mutex);
576eeee9 1729 iwl_mvm_unref(mvm, IWL_MVM_REF_START_AP);
8ca151b5
JB		 1730 return ret;
1731}
1732
5023d966
JB		 1733static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw,
1734 struct ieee80211_vif *vif)
8ca151b5
JB		 1735{
1736 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1737 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1738
38a12b5b
JB		 1739 iwl_mvm_prepare_mac_removal(mvm, vif);
1740
8ca151b5
JB		 1741 mutex_lock(&mvm->mutex);
1742
664322fa 1743 /* Handle AP stop while in CSA */
7f0a7c67
AO		 1744 if (rcu_access_pointer(mvm->csa_vif) == vif) {
1745 iwl_mvm_remove_time_event(mvm, mvmvif,
1746 &mvmvif->time_event_data);
664322fa 1747 RCU_INIT_POINTER(mvm->csa_vif, NULL);
7f0a7c67 1748 }
664322fa 1749
003e5236
AO		 1750 if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) {
1751 RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL);
1752 mvm->csa_tx_block_bcn_timeout = 0;
1753 }
1754
5023d966 1755 mvmvif->ap_ibss_active = false;
1c87bbad 1756 mvm->ap_last_beacon_gp2 = 0;
8ca151b5 1757
8e484f0b 1758 iwl_mvm_bt_coex_vif_change(mvm);
dac94da8 1759
29a90a49
EP		 1760 iwl_mvm_unref(mvm, IWL_MVM_REF_AP_IBSS);
1761
5023d966 1762 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
8ca151b5 1763 if (vif->p2p && mvm->p2p_device_vif)
3dfd3a97 1764 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL);
8ca151b5 1765
0166230c 1766 iwl_mvm_update_quotas(mvm, NULL);
013290aa 1767 iwl_mvm_send_rm_bcast_sta(mvm, vif);
8ca151b5 1768 iwl_mvm_binding_remove_vif(mvm, vif);
a11e144e 1769
999609f1 1770 iwl_mvm_power_update_mac(mvm);
a11e144e 1771
8ca151b5
JB		 1772 iwl_mvm_mac_ctxt_remove(mvm, vif);
1773
1774 mutex_unlock(&mvm->mutex);
1775}
1776
5023d966
JB		 1777static void
1778iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm,
1779 struct ieee80211_vif *vif,
1780 struct ieee80211_bss_conf *bss_conf,
1781 u32 changes)
8ca151b5 1782{
be2056fc 1783 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
8a5e3660 1784
be2056fc
IP		 1785 /* Changes will be applied when the AP/IBSS is started */
1786 if (!mvmvif->ap_ibss_active)
1787 return;
1788
863230da 1789 if (changes & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT |
f7d8b702 1790 BSS_CHANGED_BANDWIDTH | BSS_CHANGED_QOS) &&
3dfd3a97 1791 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL))
863230da 1792 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr);
8a5e3660 1793
8ca151b5 1794 /* Need to send a new beacon template to the FW */
863230da
JB		 1795 if (changes & BSS_CHANGED_BEACON &&
1796 iwl_mvm_mac_ctxt_beacon_changed(mvm, vif))
1797 IWL_WARN(mvm, "Failed updating beacon data\n");
79b7a69d
HD		 1798
1799 if (changes & BSS_CHANGED_TXPOWER) {
1800 IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n",
1801 bss_conf->txpower);
1802 iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower);
1803 }
1804
8ca151b5
JB		 1805}
1806
1807static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw,
1808 struct ieee80211_vif *vif,
1809 struct ieee80211_bss_conf *bss_conf,
1810 u32 changes)
1811{
1812 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1813
576eeee9
EP		 1814 /*
1815 * iwl_mvm_bss_info_changed_station() might call
1816 * iwl_mvm_protect_session(), which reads directly from
1817 * the device (the system time), so make sure it is available.
1818 */
1819 if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_BSS_CHANGED))
1820 return;
1821
8ca151b5
JB		 1822 mutex_lock(&mvm->mutex);
1823
723f02ed 1824 if (changes & BSS_CHANGED_IDLE && !bss_conf->idle)
fb98be5e 1825 iwl_mvm_scan_offload_stop(mvm, true);
723f02ed 1826
8ca151b5
JB		 1827 switch (vif->type) {
1828 case NL80211_IFTYPE_STATION:
1829 iwl_mvm_bss_info_changed_station(mvm, vif, bss_conf, changes);
1830 break;
1831 case NL80211_IFTYPE_AP:
5023d966
JB		 1832 case NL80211_IFTYPE_ADHOC:
1833 iwl_mvm_bss_info_changed_ap_ibss(mvm, vif, bss_conf, changes);
8ca151b5
JB		 1834 break;
1835 default:
1836 /* shouldn't happen */
1837 WARN_ON_ONCE(1);
1838 }
1839
1840 mutex_unlock(&mvm->mutex);
576eeee9 1841 iwl_mvm_unref(mvm, IWL_MVM_REF_BSS_CHANGED);
8ca151b5
JB		 1842}
1843
4660dfbb
EP		 1844static int iwl_mvm_cancel_scan_wait_notif(struct iwl_mvm *mvm,
1845 enum iwl_scan_status scan_type)
1846{
1847 int ret;
1848 bool wait_for_handlers = false;
1849
1850 mutex_lock(&mvm->mutex);
1851
1852 if (mvm->scan_status != scan_type) {
1853 ret = 0;
1854 /* make sure there are no pending notifications */
1855 wait_for_handlers = true;
1856 goto out;
1857 }
1858
1859 switch (scan_type) {
1860 case IWL_MVM_SCAN_SCHED:
1861 ret = iwl_mvm_scan_offload_stop(mvm, true);
1862 break;
1863 case IWL_MVM_SCAN_OS:
1864 ret = iwl_mvm_cancel_scan(mvm);
1865 break;
1866 case IWL_MVM_SCAN_NONE:
1867 default:
1868 WARN_ON_ONCE(1);
1869 ret = -EINVAL;
1870 break;
1871 }
1872 if (ret)
1873 goto out;
1874
1875 wait_for_handlers = true;
1876out:
1877 mutex_unlock(&mvm->mutex);
1878
1879 /* make sure we consume the completion notification */
1880 if (wait_for_handlers)
1881 iwl_mvm_wait_for_async_handlers(mvm);
1882
1883 return ret;
1884}
8ca151b5
JB		 1885static int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw,
1886 struct ieee80211_vif *vif,
c56ef672 1887 struct ieee80211_scan_request *hw_req)
8ca151b5
JB		 1888{
1889 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
c56ef672 1890 struct cfg80211_scan_request *req = &hw_req->req;
8ca151b5
JB		 1891 int ret;
1892
762533ba
DS		 1893 if (req->n_channels == 0 ||
1894 req->n_channels > mvm->fw->ucode_capa.n_scan_channels)
8ca151b5
JB		 1895 return -EINVAL;
1896
4660dfbb
EP		 1897 ret = iwl_mvm_cancel_scan_wait_notif(mvm, IWL_MVM_SCAN_SCHED);
1898 if (ret)
1899 return ret;
1900
8ca151b5
JB		 1901 mutex_lock(&mvm->mutex);
1902
4660dfbb 1903 if (mvm->scan_status != IWL_MVM_SCAN_NONE) {
8ca151b5 1904 ret = -EBUSY;
519e2026
AN		 1905 goto out;
1906 }
8ca151b5 1907
519e2026
AN		 1908 iwl_mvm_ref(mvm, IWL_MVM_REF_SCAN);
1909
fb98be5e
DS		 1910 if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN)
1911 ret = iwl_mvm_unified_scan_lmac(mvm, vif, hw_req);
1912 else
1913 ret = iwl_mvm_scan_request(mvm, vif, req);
1914
519e2026
AN		 1915 if (ret)
1916 iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN);
1917out:
8ca151b5 1918 mutex_unlock(&mvm->mutex);
8ca151b5
JB		 1919 return ret;
1920}
1921
1922static void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw,
1923 struct ieee80211_vif *vif)
1924{
1925 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1926
1927 mutex_lock(&mvm->mutex);
1928
1929 iwl_mvm_cancel_scan(mvm);
1930
1931 mutex_unlock(&mvm->mutex);
1932}
1933
1934static void
1935iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw *hw,
3e56eadf 1936 struct ieee80211_sta *sta, u16 tids,
8ca151b5
JB		 1937 int num_frames,
1938 enum ieee80211_frame_release_type reason,
1939 bool more_data)
1940{
1941 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
8ca151b5 1942
3e56eadf 1943 /* Called when we need to transmit (a) frame(s) from mac80211 */
8ca151b5 1944
3e56eadf
JB		 1945 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames,
1946 tids, more_data, false);
1947}
1948
1949static void
1950iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw *hw,
1951 struct ieee80211_sta *sta, u16 tids,
1952 int num_frames,
1953 enum ieee80211_frame_release_type reason,
1954 bool more_data)
1955{
1956 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1957
1958 /* Called when we need to transmit (a) frame(s) from agg queue */
1959
1960 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames,
1961 tids, more_data, true);
8ca151b5
JB		 1962}
1963
1964static void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw,
1965 struct ieee80211_vif *vif,
1966 enum sta_notify_cmd cmd,
1967 struct ieee80211_sta *sta)
1968{
1969 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
5b577a90 1970 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
3e56eadf 1971 int tid;
8ca151b5
JB		 1972
1973 switch (cmd) {
1974 case STA_NOTIFY_SLEEP:
e3d4bc8c 1975 if (atomic_read(&mvm->pending_frames[mvmsta->sta_id]) > 0)
8ca151b5 1976 ieee80211_sta_block_awake(hw, sta, true);
3e56eadf
JB		 1977 spin_lock_bh(&mvmsta->lock);
1978 for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) {
1979 struct iwl_mvm_tid_data *tid_data;
1980
1981 tid_data = &mvmsta->tid_data[tid];
1982 if (tid_data->state != IWL_AGG_ON &&
1983 tid_data->state != IWL_EMPTYING_HW_QUEUE_DELBA)
1984 continue;
1985 if (iwl_mvm_tid_queued(tid_data) == 0)
1986 continue;
1987 ieee80211_sta_set_buffered(sta, tid, true);
1988 }
1989 spin_unlock_bh(&mvmsta->lock);
8ca151b5
JB		 1990 /*
1991 * The fw updates the STA to be asleep. Tx packets on the Tx
1992 * queues to this station will not be transmitted. The fw will
1993 * send a Tx response with TX_STATUS_FAIL_DEST_PS.
1994 */
1995 break;
1996 case STA_NOTIFY_AWAKE:
881acd89 1997 if (WARN_ON(mvmsta->sta_id == IWL_MVM_STATION_COUNT))
8ca151b5 1998 break;
9cc40712 1999 iwl_mvm_sta_modify_ps_wake(mvm, sta);
8ca151b5
JB		 2000 break;
2001 default:
2002 break;
2003 }
2004}
2005
1ddbbb0c
JB		 2006static void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw,
2007 struct ieee80211_vif *vif,
2008 struct ieee80211_sta *sta)
2009{
2010 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2011 struct iwl_mvm_sta *mvm_sta = (void *)sta->drv_priv;
2012
2013 /*
2014 * This is called before mac80211 does RCU synchronisation,
2015 * so here we already invalidate our internal RCU-protected
2016 * station pointer. The rest of the code will thus no longer
2017 * be able to find the station this way, and we don't rely
2018 * on further RCU synchronisation after the sta_state()
2019 * callback deleted the station.
2020 */
2021 mutex_lock(&mvm->mutex);
2022 if (sta == rcu_access_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id]))
2023 rcu_assign_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id],
2024 ERR_PTR(-ENOENT));
2025 mutex_unlock(&mvm->mutex);
2026}
2027
8ca151b5
JB		 2028static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw,
2029 struct ieee80211_vif *vif,
2030 struct ieee80211_sta *sta,
2031 enum ieee80211_sta_state old_state,
2032 enum ieee80211_sta_state new_state)
2033{
2034 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2035 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2036 int ret;
2037
2038 IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n",
2039 sta->addr, old_state, new_state);
2040
2041 /* this would be a mac80211 bug ... but don't crash */
2042 if (WARN_ON_ONCE(!mvmvif->phy_ctxt))
2043 return -EINVAL;
2044
2045 /* if a STA is being removed, reuse its ID */
2046 flush_work(&mvm->sta_drained_wk);
2047
2048 mutex_lock(&mvm->mutex);
2049 if (old_state == IEEE80211_STA_NOTEXIST &&
2050 new_state == IEEE80211_STA_NONE) {
48bc1307
JB		 2051 /*
2052 * Firmware bug - it'll crash if the beacon interval is less
2053 * than 16. We can't avoid connecting at all, so refuse the
2054 * station state change, this will cause mac80211 to abandon
2055 * attempts to connect to this AP, and eventually wpa_s will
2056 * blacklist the AP...
2057 */
2058 if (vif->type == NL80211_IFTYPE_STATION &&
2059 vif->bss_conf.beacon_int < 16) {
2060 IWL_ERR(mvm,
2061 "AP %pM beacon interval is %d, refusing due to firmware bug!\n",
2062 sta->addr, vif->bss_conf.beacon_int);
2063 ret = -EINVAL;
2064 goto out_unlock;
2065 }
cf7b491d
AN		 2066
2067 if (sta->tdls &&
2068 (vif->p2p ||
fa3d07e4
AN		 2069 iwl_mvm_tdls_sta_count(mvm, NULL) ==
2070 IWL_MVM_TDLS_STA_COUNT ||
cf7b491d
AN		 2071 iwl_mvm_phy_ctx_count(mvm) > 1)) {
2072 IWL_DEBUG_MAC80211(mvm, "refusing TDLS sta\n");
2073 ret = -EBUSY;
2074 goto out_unlock;
2075 }
2076
8ca151b5 2077 ret = iwl_mvm_add_sta(mvm, vif, sta);
fa3d07e4
AN		 2078 if (sta->tdls && ret == 0)
2079 iwl_mvm_recalc_tdls_state(mvm, vif, true);
8ca151b5
JB		 2080 } else if (old_state == IEEE80211_STA_NONE &&
2081 new_state == IEEE80211_STA_AUTH) {
e820c2da
HD		 2082 /*
2083 * EBS may be disabled due to previous failures reported by FW.
2084 * Reset EBS status here assuming environment has been changed.
2085 */
2086 mvm->last_ebs_successful = true;
8ca151b5
JB		 2087 ret = 0;
2088 } else if (old_state == IEEE80211_STA_AUTH &&
2089 new_state == IEEE80211_STA_ASSOC) {
7a453973
JB		 2090 ret = iwl_mvm_update_sta(mvm, vif, sta);
2091 if (ret == 0)
2092 iwl_mvm_rs_rate_init(mvm, sta,
b87c2179
ES		 2093 mvmvif->phy_ctxt->channel->band,
2094 true);
8ca151b5
JB		 2095 } else if (old_state == IEEE80211_STA_ASSOC &&
2096 new_state == IEEE80211_STA_AUTHORIZED) {
f59e0e3c
AN		 2097
2098 /* we don't support TDLS during DCM */
2099 if (iwl_mvm_phy_ctx_count(mvm) > 1)
2100 iwl_mvm_teardown_tdls_peers(mvm);
2101
7df15b1e 2102 /* enable beacon filtering */
fa7b2e7f 2103 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0));
8ca151b5
JB		 2104 ret = 0;
2105 } else if (old_state == IEEE80211_STA_AUTHORIZED &&
2106 new_state == IEEE80211_STA_ASSOC) {
7df15b1e 2107 /* disable beacon filtering */
a1022927 2108 WARN_ON(iwl_mvm_disable_beacon_filter(mvm, vif, 0));
8ca151b5
JB		 2109 ret = 0;
2110 } else if (old_state == IEEE80211_STA_ASSOC &&
2111 new_state == IEEE80211_STA_AUTH) {
2112 ret = 0;
2113 } else if (old_state == IEEE80211_STA_AUTH &&
2114 new_state == IEEE80211_STA_NONE) {
2115 ret = 0;
2116 } else if (old_state == IEEE80211_STA_NONE &&
2117 new_state == IEEE80211_STA_NOTEXIST) {
2118 ret = iwl_mvm_rm_sta(mvm, vif, sta);
fa3d07e4
AN		 2119 if (sta->tdls)
2120 iwl_mvm_recalc_tdls_state(mvm, vif, false);
8ca151b5
JB		 2121 } else {
2122 ret = -EIO;
2123 }
48bc1307 2124 out_unlock:
8ca151b5
JB		 2125 mutex_unlock(&mvm->mutex);
2126
2127 return ret;
2128}
2129
2130static int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
2131{
2132 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2133
2134 mvm->rts_threshold = value;
2135
2136 return 0;
2137}
2138
1f3b0ff8
LE		 2139static void iwl_mvm_sta_rc_update(struct ieee80211_hw *hw,
2140 struct ieee80211_vif *vif,
2141 struct ieee80211_sta *sta, u32 changed)
2142{
2143 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2144
2145 if (vif->type == NL80211_IFTYPE_STATION &&
2146 changed & IEEE80211_RC_NSS_CHANGED)
2147 iwl_mvm_sf_update(mvm, vif, false);
2148}
2149
8ca151b5
JB		 2150static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw,
2151 struct ieee80211_vif *vif, u16 ac,
2152 const struct ieee80211_tx_queue_params *params)
2153{
2154 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2155 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2156
2157 mvmvif->queue_params[ac] = *params;
2158
2159 /*
2160 * No need to update right away, we'll get BSS_CHANGED_QOS
2161 * The exception is P2P_DEVICE interface which needs immediate update.
2162 */
2163 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
2164 int ret;
2165
2166 mutex_lock(&mvm->mutex);
3dfd3a97 2167 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
8ca151b5
JB		 2168 mutex_unlock(&mvm->mutex);
2169 return ret;
2170 }
2171 return 0;
2172}
2173
2174static void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw,
2175 struct ieee80211_vif *vif)
2176{
2177 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2178 u32 duration = min(IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS,
2179 200 + vif->bss_conf.beacon_int);
2180 u32 min_duration = min(IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS,
2181 100 + vif->bss_conf.beacon_int);
2182
2183 if (WARN_ON_ONCE(vif->bss_conf.assoc))
2184 return;
2185
576eeee9
EP		 2186 /*
2187 * iwl_mvm_protect_session() reads directly from the device
2188 * (the system time), so make sure it is available.
2189 */
2190 if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PREPARE_TX))
2191 return;
2192
8ca151b5
JB		 2193 mutex_lock(&mvm->mutex);
2194 /* Try really hard to protect the session and hear a beacon */
d20d37bc 2195 iwl_mvm_protect_session(mvm, vif, duration, min_duration, 500, false);
8ca151b5 2196 mutex_unlock(&mvm->mutex);
576eeee9
EP		 2197
2198 iwl_mvm_unref(mvm, IWL_MVM_REF_PREPARE_TX);
8ca151b5
JB		 2199}
2200
35a000b7
DS		 2201static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw,
2202 struct ieee80211_vif *vif,
2203 struct cfg80211_sched_scan_request *req,
633e2713 2204 struct ieee80211_scan_ies *ies)
35a000b7
DS		 2205{
2206 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2207 int ret;
2208
4660dfbb
EP		 2209 ret = iwl_mvm_cancel_scan_wait_notif(mvm, IWL_MVM_SCAN_OS);
2210 if (ret)
2211 return ret;
2212
35a000b7
DS		 2213 mutex_lock(&mvm->mutex);
2214
59ecb128
AB		 2215 /* Newest FW fixes sched scan while connected on another interface */
2216 if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN) {
2217 if (!vif->bss_conf.idle) {
2218 ret = -EBUSY;
2219 goto out;
2220 }
2221 } else if (!iwl_mvm_is_idle(mvm)) {
bd5e4744
DS		 2222 ret = -EBUSY;
2223 goto out;
2224 }
2225
4660dfbb 2226 if (mvm->scan_status != IWL_MVM_SCAN_NONE) {
35a000b7
DS		 2227 ret = -EBUSY;
2228 goto out;
2229 }
2230
2231 mvm->scan_status = IWL_MVM_SCAN_SCHED;
2232
b141c235 2233 ret = iwl_mvm_scan_offload_start(mvm, vif, req, ies);
35a000b7 2234 if (ret)
b141c235 2235 mvm->scan_status = IWL_MVM_SCAN_NONE;
35a000b7
DS		 2236out:
2237 mutex_unlock(&mvm->mutex);
2238 return ret;
2239}
2240
37e3308c
JB		 2241static int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw,
2242 struct ieee80211_vif *vif)
35a000b7
DS		 2243{
2244 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
33ea27f6 2245 int ret;
35a000b7
DS		 2246
2247 mutex_lock(&mvm->mutex);
fb98be5e 2248 ret = iwl_mvm_scan_offload_stop(mvm, false);
35a000b7 2249 mutex_unlock(&mvm->mutex);
33ea27f6 2250 iwl_mvm_wait_for_async_handlers(mvm);
37e3308c 2251
33ea27f6 2252 return ret;
35a000b7
DS		 2253}
2254
8ca151b5
JB		 2255static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw,
2256 enum set_key_cmd cmd,
2257 struct ieee80211_vif *vif,
2258 struct ieee80211_sta *sta,
2259 struct ieee80211_key_conf *key)
2260{
2261 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2262 int ret;
2263
2264 if (iwlwifi_mod_params.sw_crypto) {
2265 IWL_DEBUG_MAC80211(mvm, "leave - hwcrypto disabled\n");
2266 return -EOPNOTSUPP;
2267 }
2268
2269 switch (key->cipher) {
2270 case WLAN_CIPHER_SUITE_TKIP:
2271 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
2272 /* fall-through */
2273 case WLAN_CIPHER_SUITE_CCMP:
2274 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
2275 break;
2276 case WLAN_CIPHER_SUITE_AES_CMAC:
2277 WARN_ON_ONCE(!(hw->flags & IEEE80211_HW_MFP_CAPABLE));
2278 break;
2279 case WLAN_CIPHER_SUITE_WEP40:
2280 case WLAN_CIPHER_SUITE_WEP104:
2281 /*
2282 * Support for TX only, at least for now, so accept
2283 * the key and do nothing else. Then mac80211 will
2284 * pass it for TX but we don't have to use it for RX.
2285 */
2286 return 0;
2287 default:
e36e5433
MS		 2288 /* currently FW supports only one optional cipher scheme */
2289 if (hw->n_cipher_schemes &&
2290 hw->cipher_schemes->cipher == key->cipher)
2291 key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE;
2292 else
2293 return -EOPNOTSUPP;
8ca151b5
JB		 2294 }
2295
2296 mutex_lock(&mvm->mutex);
2297
2298 switch (cmd) {
2299 case SET_KEY:
5023d966
JB		 2300 if ((vif->type == NL80211_IFTYPE_ADHOC ||
2301 vif->type == NL80211_IFTYPE_AP) && !sta) {
2302 /*
2303 * GTK on AP interface is a TX-only key, return 0;
2304 * on IBSS they're per-station and because we're lazy
2305 * we don't support them for RX, so do the same.
2306 */
6caffd4f
JB		 2307 ret = 0;
2308 key->hw_key_idx = STA_KEY_IDX_INVALID;
2309 break;
2310 }
2311
8ca151b5
JB		 2312 IWL_DEBUG_MAC80211(mvm, "set hwcrypto key\n");
2313 ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, false);
2314 if (ret) {
2315 IWL_WARN(mvm, "set key failed\n");
2316 /*
2317 * can't add key for RX, but we don't need it
2318 * in the device for TX so still return 0
2319 */
6caffd4f 2320 key->hw_key_idx = STA_KEY_IDX_INVALID;
8ca151b5
JB		 2321 ret = 0;
2322 }
2323
2324 break;
2325 case DISABLE_KEY:
6caffd4f
JB		 2326 if (key->hw_key_idx == STA_KEY_IDX_INVALID) {
2327 ret = 0;
2328 break;
2329 }
2330
8ca151b5
JB		 2331 IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n");
2332 ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key);
2333 break;
2334 default:
2335 ret = -EINVAL;
2336 }
2337
2338 mutex_unlock(&mvm->mutex);
2339 return ret;
2340}
2341
2342static void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw,
2343 struct ieee80211_vif *vif,
2344 struct ieee80211_key_conf *keyconf,
2345 struct ieee80211_sta *sta,
2346 u32 iv32, u16 *phase1key)
2347{
2348 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2349
5023d966
JB		 2350 if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID)
2351 return;
2352
8ca151b5
JB		 2353 iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key);
2354}
2355
2356
b112889c
AM		 2357static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data *notif_wait,
2358 struct iwl_rx_packet *pkt, void *data)
2359{
2360 struct iwl_mvm *mvm =
2361 container_of(notif_wait, struct iwl_mvm, notif_wait);
2362 struct iwl_hs20_roc_res *resp;
2363 int resp_len = iwl_rx_packet_payload_len(pkt);
2364 struct iwl_mvm_time_event_data *te_data = data;
2365
2366 if (WARN_ON(pkt->hdr.cmd != HOT_SPOT_CMD))
2367 return true;
2368
2369 if (WARN_ON_ONCE(resp_len != sizeof(*resp))) {
2370 IWL_ERR(mvm, "Invalid HOT_SPOT_CMD response\n");
2371 return true;
2372 }
2373
2374 resp = (void *)pkt->data;
2375
2376 IWL_DEBUG_TE(mvm,
2377 "Aux ROC: Recieved response from ucode: status=%d uid=%d\n",
2378 resp->status, resp->event_unique_id);
2379
2380 te_data->uid = le32_to_cpu(resp->event_unique_id);
2381 IWL_DEBUG_TE(mvm, "TIME_EVENT_CMD response - UID = 0x%x\n",
2382 te_data->uid);
2383
2384 spin_lock_bh(&mvm->time_event_lock);
2385 list_add_tail(&te_data->list, &mvm->aux_roc_te_list);
2386 spin_unlock_bh(&mvm->time_event_lock);
2387
2388 return true;
2389}
2390
2391#define AUX_ROC_MAX_DELAY_ON_CHANNEL 5000
2392static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm,
2393 struct ieee80211_channel *channel,
2394 struct ieee80211_vif *vif,
2395 int duration)
2396{
2397 int res, time_reg = DEVICE_SYSTEM_TIME_REG;
2398 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2399 struct iwl_mvm_time_event_data *te_data = &mvmvif->hs_time_event_data;
2400 static const u8 time_event_response[] = { HOT_SPOT_CMD };
2401 struct iwl_notification_wait wait_time_event;
2402 struct iwl_hs20_roc_req aux_roc_req = {
2403 .action = cpu_to_le32(FW_CTXT_ACTION_ADD),
2404 .id_and_color =
2405 cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX, 0)),
2406 .sta_id_and_color = cpu_to_le32(mvm->aux_sta.sta_id),
2407 /* Set the channel info data */
2408 .channel_info.band = (channel->band == IEEE80211_BAND_2GHZ) ?
2409 PHY_BAND_24 : PHY_BAND_5,
2410 .channel_info.channel = channel->hw_value,
2411 .channel_info.width = PHY_VHT_CHANNEL_MODE20,
2412 /* Set the time and duration */
2413 .apply_time = cpu_to_le32(iwl_read_prph(mvm->trans, time_reg)),
2414 .apply_time_max_delay =
2415 cpu_to_le32(MSEC_TO_TU(AUX_ROC_MAX_DELAY_ON_CHANNEL)),
2416 .duration = cpu_to_le32(MSEC_TO_TU(duration)),
2417 };
2418
2419 /* Set the node address */
2420 memcpy(aux_roc_req.node_addr, vif->addr, ETH_ALEN);
2421
a6cc5163
MG		 2422 lockdep_assert_held(&mvm->mutex);
2423
2424 spin_lock_bh(&mvm->time_event_lock);
2425
2426 if (WARN_ON(te_data->id == HOT_SPOT_CMD)) {
2427 spin_unlock_bh(&mvm->time_event_lock);
2428 return -EIO;
2429 }
2430
b112889c
AM		 2431 te_data->vif = vif;
2432 te_data->duration = duration;
2433 te_data->id = HOT_SPOT_CMD;
2434
b112889c
AM		 2435 spin_unlock_bh(&mvm->time_event_lock);
2436
2437 /*
2438 * Use a notification wait, which really just processes the
2439 * command response and doesn't wait for anything, in order
2440 * to be able to process the response and get the UID inside
2441 * the RX path. Using CMD_WANT_SKB doesn't work because it
2442 * stores the buffer and then wakes up this thread, by which
2443 * time another notification (that the time event started)
2444 * might already be processed unsuccessfully.
2445 */
2446 iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event,
2447 time_event_response,
2448 ARRAY_SIZE(time_event_response),
2449 iwl_mvm_rx_aux_roc, te_data);
2450
2451 res = iwl_mvm_send_cmd_pdu(mvm, HOT_SPOT_CMD, 0, sizeof(aux_roc_req),
2452 &aux_roc_req);
2453
2454 if (res) {
2455 IWL_ERR(mvm, "Couldn't send HOT_SPOT_CMD: %d\n", res);
2456 iwl_remove_notification(&mvm->notif_wait, &wait_time_event);
2457 goto out_clear_te;
2458 }
2459
2460 /* No need to wait for anything, so just pass 1 (0 isn't valid) */
2461 res = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1);
2462 /* should never fail */
2463 WARN_ON_ONCE(res);
2464
2465 if (res) {
2466 out_clear_te:
2467 spin_lock_bh(&mvm->time_event_lock);
2468 iwl_mvm_te_clear_data(mvm, te_data);
2469 spin_unlock_bh(&mvm->time_event_lock);
2470 }
2471
2472 return res;
2473}
2474
8ca151b5
JB		 2475static int iwl_mvm_roc(struct ieee80211_hw *hw,
2476 struct ieee80211_vif *vif,
2477 struct ieee80211_channel *channel,
d339d5ca
IP		 2478 int duration,
2479 enum ieee80211_roc_type type)
8ca151b5
JB		 2480{
2481 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
fe0f2de3 2482 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
8ca151b5 2483 struct cfg80211_chan_def chandef;
31d385ae
IP		 2484 struct iwl_mvm_phy_ctxt *phy_ctxt;
2485 int ret, i;
2486
2487 IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value,
2488 duration, type);
8ca151b5 2489
a6cc5163
MG		 2490 mutex_lock(&mvm->mutex);
2491
b112889c
AM		 2492 switch (vif->type) {
2493 case NL80211_IFTYPE_STATION:
2494 /* Use aux roc framework (HS20) */
2495 ret = iwl_mvm_send_aux_roc_cmd(mvm, channel,
2496 vif, duration);
a6cc5163 2497 goto out_unlock;
b112889c
AM		 2498 case NL80211_IFTYPE_P2P_DEVICE:
2499 /* handle below */
2500 break;
2501 default:
2502 IWL_ERR(mvm, "vif isn't P2P_DEVICE: %d\n", vif->type);
a6cc5163
MG		 2503 ret = -EINVAL;
2504 goto out_unlock;
8ca151b5
JB		 2505 }
2506
31d385ae
IP		 2507 for (i = 0; i < NUM_PHY_CTX; i++) {
2508 phy_ctxt = &mvm->phy_ctxts[i];
2509 if (phy_ctxt->ref == 0 || mvmvif->phy_ctxt == phy_ctxt)
2510 continue;
2511
2512 if (phy_ctxt->ref && channel == phy_ctxt->channel) {
2513 /*
2514 * Unbind the P2P_DEVICE from the current PHY context,
2515 * and if the PHY context is not used remove it.
2516 */
2517 ret = iwl_mvm_binding_remove_vif(mvm, vif);
2518 if (WARN(ret, "Failed unbinding P2P_DEVICE\n"))
2519 goto out_unlock;
2520
2521 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
2522
2523 /* Bind the P2P_DEVICE to the current PHY Context */
2524 mvmvif->phy_ctxt = phy_ctxt;
2525
2526 ret = iwl_mvm_binding_add_vif(mvm, vif);
2527 if (WARN(ret, "Failed binding P2P_DEVICE\n"))
2528 goto out_unlock;
2529
2530 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
2531 goto schedule_time_event;
2532 }
2533 }
2534
2535 /* Need to update the PHY context only if the ROC channel changed */
2536 if (channel == mvmvif->phy_ctxt->channel)
2537 goto schedule_time_event;
2538
8ca151b5 2539 cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT);
8ca151b5 2540
31d385ae
IP		 2541 /*
2542 * Change the PHY context configuration as it is currently referenced
2543 * only by the P2P Device MAC
2544 */
2545 if (mvmvif->phy_ctxt->ref == 1) {
2546 ret = iwl_mvm_phy_ctxt_changed(mvm, mvmvif->phy_ctxt,
2547 &chandef, 1, 1);
2548 if (ret)
2549 goto out_unlock;
2550 } else {
2551 /*
2552 * The PHY context is shared with other MACs. Need to remove the
2553 * P2P Device from the binding, allocate an new PHY context and
2554 * create a new binding
2555 */
2556 phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
2557 if (!phy_ctxt) {
2558 ret = -ENOSPC;
2559 goto out_unlock;
2560 }
2561
2562 ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &chandef,
2563 1, 1);
2564 if (ret) {
2565 IWL_ERR(mvm, "Failed to change PHY context\n");
2566 goto out_unlock;
2567 }
2568
2569 /* Unbind the P2P_DEVICE from the current PHY context */
2570 ret = iwl_mvm_binding_remove_vif(mvm, vif);
2571 if (WARN(ret, "Failed unbinding P2P_DEVICE\n"))
2572 goto out_unlock;
2573
2574 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
2575
2576 /* Bind the P2P_DEVICE to the new allocated PHY context */
2577 mvmvif->phy_ctxt = phy_ctxt;
2578
2579 ret = iwl_mvm_binding_add_vif(mvm, vif);
2580 if (WARN(ret, "Failed binding P2P_DEVICE\n"))
2581 goto out_unlock;
2582
2583 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
2584 }
2585
2586schedule_time_event:
8ca151b5 2587 /* Schedule the time events */
e635c797 2588 ret = iwl_mvm_start_p2p_roc(mvm, vif, duration, type);
8ca151b5 2589
31d385ae 2590out_unlock:
8ca151b5
JB		 2591 mutex_unlock(&mvm->mutex);
2592 IWL_DEBUG_MAC80211(mvm, "leave\n");
8ca151b5
JB		 2593 return ret;
2594}
2595
2596static int iwl_mvm_cancel_roc(struct ieee80211_hw *hw)
2597{
2598 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2599
2600 IWL_DEBUG_MAC80211(mvm, "enter\n");
2601
2602 mutex_lock(&mvm->mutex);
2603 iwl_mvm_stop_p2p_roc(mvm);
2604 mutex_unlock(&mvm->mutex);
2605
2606 IWL_DEBUG_MAC80211(mvm, "leave\n");
2607 return 0;
2608}
2609
b08c1d97
LC		 2610static int __iwl_mvm_add_chanctx(struct iwl_mvm *mvm,
2611 struct ieee80211_chanctx_conf *ctx)
8ca151b5 2612{
fe0f2de3
IP		 2613 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
2614 struct iwl_mvm_phy_ctxt *phy_ctxt;
8ca151b5
JB		 2615 int ret;
2616
b08c1d97
LC		 2617 lockdep_assert_held(&mvm->mutex);
2618
53a9d61e 2619 IWL_DEBUG_MAC80211(mvm, "Add channel context\n");
fe0f2de3 2620
fe0f2de3
IP		 2621 phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
2622 if (!phy_ctxt) {
2623 ret = -ENOSPC;
2624 goto out;
2625 }
8ca151b5 2626
dcbc3e1a 2627 ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->min_def,
53a9d61e
IP		 2628 ctx->rx_chains_static,
2629 ctx->rx_chains_dynamic);
fe0f2de3
IP		 2630 if (ret) {
2631 IWL_ERR(mvm, "Failed to add PHY context\n");
2632 goto out;
2633 }
2634
53a9d61e 2635 iwl_mvm_phy_ctxt_ref(mvm, phy_ctxt);
fe0f2de3
IP		 2636 *phy_ctxt_id = phy_ctxt->id;
2637out:
b08c1d97
LC		 2638 return ret;
2639}
2640
2641static int iwl_mvm_add_chanctx(struct ieee80211_hw *hw,
2642 struct ieee80211_chanctx_conf *ctx)
2643{
2644 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2645 int ret;
2646
2647 mutex_lock(&mvm->mutex);
2648 ret = __iwl_mvm_add_chanctx(mvm, ctx);
8ca151b5 2649 mutex_unlock(&mvm->mutex);
b08c1d97 2650
8ca151b5
JB		 2651 return ret;
2652}
2653
b08c1d97
LC		 2654static void __iwl_mvm_remove_chanctx(struct iwl_mvm *mvm,
2655 struct ieee80211_chanctx_conf *ctx)
2656{
2657 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
2658 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
2659
2660 lockdep_assert_held(&mvm->mutex);
2661
2662 iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt);
2663}
2664
8ca151b5
JB		 2665static void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw,
2666 struct ieee80211_chanctx_conf *ctx)
2667{
2668 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
8ca151b5
JB		 2669
2670 mutex_lock(&mvm->mutex);
b08c1d97 2671 __iwl_mvm_remove_chanctx(mvm, ctx);
8ca151b5
JB		 2672 mutex_unlock(&mvm->mutex);
2673}
2674
2675static void iwl_mvm_change_chanctx(struct ieee80211_hw *hw,
2676 struct ieee80211_chanctx_conf *ctx,
2677 u32 changed)
2678{
2679 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
fe0f2de3
IP		 2680 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
2681 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
8ca151b5 2682
31d385ae
IP		 2683 if (WARN_ONCE((phy_ctxt->ref > 1) &&
2684 (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH |
2685 IEEE80211_CHANCTX_CHANGE_RX_CHAINS |
2dceedae
AN		 2686 IEEE80211_CHANCTX_CHANGE_RADAR |
2687 IEEE80211_CHANCTX_CHANGE_MIN_WIDTH)),
31d385ae
IP		 2688 "Cannot change PHY. Ref=%d, changed=0x%X\n",
2689 phy_ctxt->ref, changed))
2690 return;
2691
8ca151b5 2692 mutex_lock(&mvm->mutex);
4d66449a 2693 iwl_mvm_bt_coex_vif_change(mvm);
dcbc3e1a 2694 iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->min_def,
8ca151b5
JB		 2695 ctx->rx_chains_static,
2696 ctx->rx_chains_dynamic);
2697 mutex_unlock(&mvm->mutex);
2698}
2699
b08c1d97
LC		 2700static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm,
2701 struct ieee80211_vif *vif,
f0c97783
LC		 2702 struct ieee80211_chanctx_conf *ctx,
2703 bool switching_chanctx)
8ca151b5 2704{
fe0f2de3
IP		 2705 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
2706 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
8ca151b5
JB		 2707 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2708 int ret;
2709
b08c1d97 2710 lockdep_assert_held(&mvm->mutex);
8ca151b5 2711
fe0f2de3 2712 mvmvif->phy_ctxt = phy_ctxt;
8ca151b5
JB		 2713
2714 switch (vif->type) {
2715 case NL80211_IFTYPE_AP:
bd3398e2
AO		 2716 /* Unless it's a CSA flow we have nothing to do here */
2717 if (vif->csa_active) {
2718 mvmvif->ap_ibss_active = true;
2719 break;
2720 }
5023d966 2721 case NL80211_IFTYPE_ADHOC:
8ca151b5
JB		 2722 /*
2723 * The AP binding flow is handled as part of the start_ap flow
5023d966 2724 * (in bss_info_changed), similarly for IBSS.
8ca151b5
JB		 2725 */
2726 ret = 0;
b08c1d97 2727 goto out;
8ca151b5 2728 case NL80211_IFTYPE_STATION:
2533edce 2729 break;
8ca151b5 2730 case NL80211_IFTYPE_MONITOR:
2533edce
LC		 2731 /* always disable PS when a monitor interface is active */
2732 mvmvif->ps_disabled = true;
8ca151b5
JB		 2733 break;
2734 default:
2735 ret = -EINVAL;
b08c1d97 2736 goto out;
8ca151b5
JB		 2737 }
2738
2739 ret = iwl_mvm_binding_add_vif(mvm, vif);
2740 if (ret)
b08c1d97 2741 goto out;
8ca151b5
JB		 2742
2743 /*
92d85562
AB		 2744 * Power state must be updated before quotas,
2745 * otherwise fw will complain.
2746 */
999609f1 2747 iwl_mvm_power_update_mac(mvm);
92d85562
AB		 2748
2749 /* Setting the quota at this stage is only required for monitor
8ca151b5
JB		 2750 * interfaces. For the other types, the bss_info changed flow
2751 * will handle quota settings.
2752 */
2753 if (vif->type == NL80211_IFTYPE_MONITOR) {
1e1391ca 2754 mvmvif->monitor_active = true;
0166230c 2755 ret = iwl_mvm_update_quotas(mvm, NULL);
8ca151b5
JB		 2756 if (ret)
2757 goto out_remove_binding;
2758 }
2759
bd3398e2 2760 /* Handle binding during CSA */
f0c97783
LC		 2761 if ((vif->type == NL80211_IFTYPE_AP) ||
2762 (switching_chanctx && (vif->type == NL80211_IFTYPE_STATION))) {
0166230c 2763 iwl_mvm_update_quotas(mvm, NULL);
3dfd3a97 2764 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
bd3398e2
AO		 2765 }
2766
0ce04ce7
LC		 2767 if (vif->csa_active && vif->type == NL80211_IFTYPE_STATION) {
2768 struct iwl_mvm_sta *mvmsta;
2769
2770 mvmsta = iwl_mvm_sta_from_staid_protected(mvm,
2771 mvmvif->ap_sta_id);
2772
2773 if (WARN_ON(!mvmsta))
2774 goto out;
2775
2776 /* TODO: only re-enable after the first beacon */
2777 iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false);
2778 }
2779
b08c1d97 2780 goto out;
8ca151b5 2781
b08c1d97 2782out_remove_binding:
8ca151b5 2783 iwl_mvm_binding_remove_vif(mvm, vif);
999609f1 2784 iwl_mvm_power_update_mac(mvm);
b08c1d97 2785out:
8ca151b5
JB		 2786 if (ret)
2787 mvmvif->phy_ctxt = NULL;
2788 return ret;
2789}
b08c1d97
LC		 2790static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw,
2791 struct ieee80211_vif *vif,
2792 struct ieee80211_chanctx_conf *ctx)
8ca151b5
JB		 2793{
2794 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
b08c1d97 2795 int ret;
8ca151b5
JB		 2796
2797 mutex_lock(&mvm->mutex);
f0c97783 2798 ret = __iwl_mvm_assign_vif_chanctx(mvm, vif, ctx, false);
b08c1d97
LC		 2799 mutex_unlock(&mvm->mutex);
2800
2801 return ret;
2802}
2803
2804static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm,
2805 struct ieee80211_vif *vif,
f0c97783
LC		 2806 struct ieee80211_chanctx_conf *ctx,
2807 bool switching_chanctx)
b08c1d97
LC		 2808{
2809 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
f0c97783 2810 struct ieee80211_vif *disabled_vif = NULL;
0ce04ce7 2811 struct iwl_mvm_sta *mvmsta;
b08c1d97
LC		 2812
2813 lockdep_assert_held(&mvm->mutex);
8ca151b5
JB		 2814
2815 iwl_mvm_remove_time_event(mvm, mvmvif, &mvmvif->time_event_data);
2816
8ca151b5 2817 switch (vif->type) {
5023d966 2818 case NL80211_IFTYPE_ADHOC:
b08c1d97 2819 goto out;
8ca151b5 2820 case NL80211_IFTYPE_MONITOR:
1e1391ca 2821 mvmvif->monitor_active = false;
2533edce 2822 mvmvif->ps_disabled = false;
8ca151b5 2823 break;
bd3398e2
AO		 2824 case NL80211_IFTYPE_AP:
2825 /* This part is triggered only during CSA */
2826 if (!vif->csa_active || !mvmvif->ap_ibss_active)
b08c1d97 2827 goto out;
bd3398e2 2828
003e5236
AO		 2829 /* Set CS bit on all the stations */
2830 iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, true);
2831
2832 /* Save blocked iface, the timeout is set on the next beacon */
2833 rcu_assign_pointer(mvm->csa_tx_blocked_vif, vif);
2834
bd3398e2 2835 mvmvif->ap_ibss_active = false;
f0c97783
LC		 2836 break;
2837 case NL80211_IFTYPE_STATION:
2838 if (!switching_chanctx)
2839 break;
2840
2841 disabled_vif = vif;
2842
0ce04ce7
LC		 2843 mvmsta = iwl_mvm_sta_from_staid_protected(mvm,
2844 mvmvif->ap_sta_id);
2845
2846 if (!WARN_ON(!mvmsta))
2847 iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, true);
2848
3dfd3a97 2849 iwl_mvm_mac_ctxt_changed(mvm, vif, true, NULL);
f0c97783 2850 break;
8ca151b5
JB		 2851 default:
2852 break;
2853 }
2854
f0c97783 2855 iwl_mvm_update_quotas(mvm, disabled_vif);
1e1391ca 2856 iwl_mvm_binding_remove_vif(mvm, vif);
1c2abf72 2857
b08c1d97 2858out:
a11e144e 2859 mvmvif->phy_ctxt = NULL;
999609f1 2860 iwl_mvm_power_update_mac(mvm);
b08c1d97
LC		 2861}
2862
2863static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw,
2864 struct ieee80211_vif *vif,
2865 struct ieee80211_chanctx_conf *ctx)
2866{
2867 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2868
2869 mutex_lock(&mvm->mutex);
f0c97783 2870 __iwl_mvm_unassign_vif_chanctx(mvm, vif, ctx, false);
8ca151b5
JB		 2871 mutex_unlock(&mvm->mutex);
2872}
2873
b08c1d97
LC		 2874static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw *hw,
2875 struct ieee80211_vif_chanctx_switch *vifs,
2876 int n_vifs,
2877 enum ieee80211_chanctx_switch_mode mode)
2878{
2879 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2880 int ret;
2881
2882 /* we only support SWAP_CONTEXTS and with a single-vif right now */
2883 if (mode != CHANCTX_SWMODE_SWAP_CONTEXTS || n_vifs > 1)
2884 return -EOPNOTSUPP;
2885
2886 mutex_lock(&mvm->mutex);
f0c97783 2887 __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true);
b08c1d97
LC		 2888 __iwl_mvm_remove_chanctx(mvm, vifs[0].old_ctx);
2889
2890 ret = __iwl_mvm_add_chanctx(mvm, vifs[0].new_ctx);
2891 if (ret) {
2892 IWL_ERR(mvm, "failed to add new_ctx during channel switch\n");
2893 goto out_reassign;
2894 }
2895
f0c97783
LC		 2896 ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx,
2897 true);
b08c1d97
LC		 2898 if (ret) {
2899 IWL_ERR(mvm,
2900 "failed to assign new_ctx during channel switch\n");
2901 goto out_remove;
2902 }
2903
f697267f
AN		 2904 /* we don't support TDLS during DCM - can be caused by channel switch */
2905 if (iwl_mvm_phy_ctx_count(mvm) > 1)
2906 iwl_mvm_teardown_tdls_peers(mvm);
2907
b08c1d97
LC		 2908 goto out;
2909
2910out_remove:
2911 __iwl_mvm_remove_chanctx(mvm, vifs[0].new_ctx);
2912
2913out_reassign:
2914 ret = __iwl_mvm_add_chanctx(mvm, vifs[0].old_ctx);
2915 if (ret) {
2916 IWL_ERR(mvm, "failed to add old_ctx back after failure.\n");
2917 goto out_restart;
2918 }
2919
f0c97783
LC		 2920 ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx,
2921 true);
b08c1d97
LC		 2922 if (ret) {
2923 IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n");
2924 goto out_restart;
2925 }
2926
2927 goto out;
2928
2929out_restart:
2930 /* things keep failing, better restart the hw */
2931 iwl_mvm_nic_restart(mvm, false);
2932
2933out:
2934 mutex_unlock(&mvm->mutex);
2935 return ret;
2936}
2937
8ca151b5
JB		 2938static int iwl_mvm_set_tim(struct ieee80211_hw *hw,
2939 struct ieee80211_sta *sta,
2940 bool set)
2941{
2942 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2943 struct iwl_mvm_sta *mvm_sta = (void *)sta->drv_priv;
2944
2945 if (!mvm_sta || !mvm_sta->vif) {
2946 IWL_ERR(mvm, "Station is not associated to a vif\n");
2947 return -EINVAL;
2948 }
2949
2950 return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif);
2951}
2952
507cadf2
DS		 2953#ifdef CONFIG_NL80211_TESTMODE
2954static const struct nla_policy iwl_mvm_tm_policy[IWL_MVM_TM_ATTR_MAX + 1] = {
2955 [IWL_MVM_TM_ATTR_CMD] = { .type = NLA_U32 },
2956 [IWL_MVM_TM_ATTR_NOA_DURATION] = { .type = NLA_U32 },
f6c6ad42 2957 [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE] = { .type = NLA_U32 },
507cadf2
DS		 2958};
2959
2960static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm,
2961 struct ieee80211_vif *vif,
2962 void *data, int len)
2963{
2964 struct nlattr *tb[IWL_MVM_TM_ATTR_MAX + 1];
2965 int err;
2966 u32 noa_duration;
2967
2968 err = nla_parse(tb, IWL_MVM_TM_ATTR_MAX, data, len, iwl_mvm_tm_policy);
2969 if (err)
2970 return err;
2971
2972 if (!tb[IWL_MVM_TM_ATTR_CMD])
2973 return -EINVAL;
2974
2975 switch (nla_get_u32(tb[IWL_MVM_TM_ATTR_CMD])) {
2976 case IWL_MVM_TM_CMD_SET_NOA:
2977 if (!vif || vif->type != NL80211_IFTYPE_AP || !vif->p2p ||
2978 !vif->bss_conf.enable_beacon ||
2979 !tb[IWL_MVM_TM_ATTR_NOA_DURATION])
2980 return -EINVAL;
2981
2982 noa_duration = nla_get_u32(tb[IWL_MVM_TM_ATTR_NOA_DURATION]);
2983 if (noa_duration >= vif->bss_conf.beacon_int)
2984 return -EINVAL;
2985
2986 mvm->noa_duration = noa_duration;
2987 mvm->noa_vif = vif;
2988
0166230c 2989 return iwl_mvm_update_quotas(mvm, NULL);
f6c6ad42
JB		 2990 case IWL_MVM_TM_CMD_SET_BEACON_FILTER:
2991 /* must be associated client vif - ignore authorized */
2992 if (!vif || vif->type != NL80211_IFTYPE_STATION ||
2993 !vif->bss_conf.assoc || !vif->bss_conf.dtim_period ||
2994 !tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE])
2995 return -EINVAL;
2996
2997 if (nla_get_u32(tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE]))
a1022927
EG		 2998 return iwl_mvm_enable_beacon_filter(mvm, vif, 0);
2999 return iwl_mvm_disable_beacon_filter(mvm, vif, 0);
507cadf2
DS		 3000 }
3001
3002 return -EOPNOTSUPP;
3003}
3004
3005static int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw *hw,
3006 struct ieee80211_vif *vif,
3007 void *data, int len)
3008{
3009 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3010 int err;
3011
3012 mutex_lock(&mvm->mutex);
3013 err = __iwl_mvm_mac_testmode_cmd(mvm, vif, data, len);
3014 mutex_unlock(&mvm->mutex);
3015
3016 return err;
3017}
3018#endif
3019
bd3398e2
AO		 3020static void iwl_mvm_channel_switch_beacon(struct ieee80211_hw *hw,
3021 struct ieee80211_vif *vif,
3022 struct cfg80211_chan_def *chandef)
3023{
3024 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
664322fa 3025 struct ieee80211_vif *csa_vif;
bd3398e2
AO		 3026
3027 mutex_lock(&mvm->mutex);
664322fa
AO		 3028
3029 csa_vif = rcu_dereference_protected(mvm->csa_vif,
3030 lockdep_is_held(&mvm->mutex));
3031 if (WARN(csa_vif && csa_vif->csa_active,
bd3398e2
AO		 3032 "Another CSA is already in progress"))
3033 goto out_unlock;
3034
3035 IWL_DEBUG_MAC80211(mvm, "CSA started to freq %d\n",
3036 chandef->center_freq1);
664322fa 3037 rcu_assign_pointer(mvm->csa_vif, vif);
bd3398e2
AO		 3038
3039out_unlock:
3040 mutex_unlock(&mvm->mutex);
3041}
3042
c5b0e7c0
EG		 3043static void iwl_mvm_mac_flush(struct ieee80211_hw *hw,
3044 struct ieee80211_vif *vif, u32 queues, bool drop)
3045{
3046 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3047 struct iwl_mvm_vif *mvmvif;
3048 struct iwl_mvm_sta *mvmsta;
3049
3050 if (!vif || vif->type != NL80211_IFTYPE_STATION)
3051 return;
3052
3053 mutex_lock(&mvm->mutex);
3054 mvmvif = iwl_mvm_vif_from_mac80211(vif);
3055 mvmsta = iwl_mvm_sta_from_staid_protected(mvm, mvmvif->ap_sta_id);
3056
480acbce
JB		 3057 if (WARN_ON_ONCE(!mvmsta)) {
3058 mutex_unlock(&mvm->mutex);
3059 return;
3060 }
c5b0e7c0
EG		 3061
3062 if (drop) {
3063 if (iwl_mvm_flush_tx_path(mvm, mvmsta->tfd_queue_msk, true))
3064 IWL_ERR(mvm, "flush request fail\n");
480acbce 3065 mutex_unlock(&mvm->mutex);
c5b0e7c0 3066 } else {
480acbce
JB		 3067 u32 tfd_queue_msk = mvmsta->tfd_queue_msk;
3068 mutex_unlock(&mvm->mutex);
3069
3070 /* this can take a while, and we may need/want other operations
3071 * to succeed while doing this, so do it without the mutex held
3072 */
3073 iwl_trans_wait_tx_queue_empty(mvm->trans, tfd_queue_msk);
c5b0e7c0 3074 }
c5b0e7c0
EG		 3075}
3076
e5209263 3077const struct ieee80211_ops iwl_mvm_hw_ops = {
8ca151b5
JB		 3078 .tx = iwl_mvm_mac_tx,
3079 .ampdu_action = iwl_mvm_mac_ampdu_action,
3080 .start = iwl_mvm_mac_start,
3081 .restart_complete = iwl_mvm_mac_restart_complete,
3082 .stop = iwl_mvm_mac_stop,
3083 .add_interface = iwl_mvm_mac_add_interface,
3084 .remove_interface = iwl_mvm_mac_remove_interface,
3085 .config = iwl_mvm_mac_config,
e59647ea 3086 .prepare_multicast = iwl_mvm_prepare_multicast,
8ca151b5
JB		 3087 .configure_filter = iwl_mvm_configure_filter,
3088 .bss_info_changed = iwl_mvm_bss_info_changed,
3089 .hw_scan = iwl_mvm_mac_hw_scan,
3090 .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan,
1ddbbb0c 3091 .sta_pre_rcu_remove = iwl_mvm_sta_pre_rcu_remove,
8ca151b5
JB		 3092 .sta_state = iwl_mvm_mac_sta_state,
3093 .sta_notify = iwl_mvm_mac_sta_notify,
3094 .allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames,
3e56eadf 3095 .release_buffered_frames = iwl_mvm_mac_release_buffered_frames,
8ca151b5 3096 .set_rts_threshold = iwl_mvm_mac_set_rts_threshold,
1f3b0ff8 3097 .sta_rc_update = iwl_mvm_sta_rc_update,
8ca151b5
JB		 3098 .conf_tx = iwl_mvm_mac_conf_tx,
3099 .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx,
07ecd897 3100 .mgd_protect_tdls_discover = iwl_mvm_mac_mgd_protect_tdls_discover,
c5b0e7c0 3101 .flush = iwl_mvm_mac_flush,
35a000b7
DS		 3102 .sched_scan_start = iwl_mvm_mac_sched_scan_start,
3103 .sched_scan_stop = iwl_mvm_mac_sched_scan_stop,
8ca151b5
JB		 3104 .set_key = iwl_mvm_mac_set_key,
3105 .update_tkip_key = iwl_mvm_mac_update_tkip_key,
3106 .remain_on_channel = iwl_mvm_roc,
3107 .cancel_remain_on_channel = iwl_mvm_cancel_roc,
8ca151b5
JB		 3108 .add_chanctx = iwl_mvm_add_chanctx,
3109 .remove_chanctx = iwl_mvm_remove_chanctx,
3110 .change_chanctx = iwl_mvm_change_chanctx,
3111 .assign_vif_chanctx = iwl_mvm_assign_vif_chanctx,
3112 .unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx,
b08c1d97 3113 .switch_vif_chanctx = iwl_mvm_switch_vif_chanctx,
8ca151b5 3114
5023d966
JB		 3115 .start_ap = iwl_mvm_start_ap_ibss,
3116 .stop_ap = iwl_mvm_stop_ap_ibss,
3117 .join_ibss = iwl_mvm_start_ap_ibss,
3118 .leave_ibss = iwl_mvm_stop_ap_ibss,
8ca151b5
JB		 3119
3120 .set_tim = iwl_mvm_set_tim,
3121
bd3398e2
AO		 3122 .channel_switch_beacon = iwl_mvm_channel_switch_beacon,
3123
507cadf2
DS		 3124 CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd)
3125
8ca151b5
JB		 3126#ifdef CONFIG_PM_SLEEP
3127 /* look at d3.c */
3128 .suspend = iwl_mvm_suspend,
3129 .resume = iwl_mvm_resume,
3130 .set_wakeup = iwl_mvm_set_wakeup,
3131 .set_rekey_data = iwl_mvm_set_rekey_data,
3132#if IS_ENABLED(CONFIG_IPV6)
3133 .ipv6_addr_change = iwl_mvm_ipv6_addr_change,
3134#endif
3135 .set_default_unicast_key = iwl_mvm_set_default_unicast_key,
3136#endif
3137};
Linux kernel - Deliverables
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