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