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iwlwifi: mvm: update d0i3 debugfs
[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
20f1a5de
DS		 282static int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm)
283{
284 /* we create the 802.11 header and SSID element */
285 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_NO_BASIC_SSID)
286 return mvm->fw->ucode_capa.max_probe_length - 24 - 2;
287 return mvm->fw->ucode_capa.max_probe_length - 24 - 34;
288}
289
8ca151b5
JB		 290int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
291{
292 struct ieee80211_hw *hw = mvm->hw;
831e85f3 293 int num_mac, ret, i;
8ca151b5
JB		 294
295 /* Tell mac80211 our characteristics */
296 hw->flags = IEEE80211_HW_SIGNAL_DBM |
297 IEEE80211_HW_SPECTRUM_MGMT |
298 IEEE80211_HW_REPORTS_TX_ACK_STATUS |
299 IEEE80211_HW_QUEUE_CONTROL |
300 IEEE80211_HW_WANT_MONITOR_VIF |
8ca151b5
JB		 301 IEEE80211_HW_SUPPORTS_PS |
302 IEEE80211_HW_SUPPORTS_DYNAMIC_PS |
d2931bbd 303 IEEE80211_HW_AMPDU_AGGREGATION |
d64048ed 304 IEEE80211_HW_TIMING_BEACON_ONLY |
147fc9be 305 IEEE80211_HW_CONNECTION_MONITOR |
f0c97783 306 IEEE80211_HW_CHANCTX_STA_CSA |
147fc9be 307 IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS |
e8e626ad 308 IEEE80211_HW_SUPPORTS_STATIC_SMPS;
8ca151b5 309
19e737c9 310 hw->queues = mvm->first_agg_queue;
398e8c6c 311 hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE;
7b1dd048
EG		 312 hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FEC |
313 IEEE80211_RADIOTAP_MCS_HAVE_STBC;
314 hw->radiotap_vht_details |= IEEE80211_RADIOTAP_VHT_KNOWN_STBC;
8ca151b5
JB		 315 hw->rate_control_algorithm = "iwl-mvm-rs";
316
317 /*
318 * Enable 11w if advertised by firmware and software crypto
319 * is not enabled (as the firmware will interpret some mgmt
320 * packets, so enabling it with software crypto isn't safe)
321 */
322 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_MFP &&
323 !iwlwifi_mod_params.sw_crypto)
324 hw->flags |= IEEE80211_HW_MFP_CAPABLE;
325
1504f48d
MC		 326 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT &&
327 IWL_UCODE_API(mvm->fw->ucode_ver) >= 9 &&
328 !iwlwifi_mod_params.uapsd_disable) {
329 hw->flags |= IEEE80211_HW_SUPPORTS_UAPSD;
330 hw->uapsd_queues = IWL_UAPSD_AC_INFO;
331 hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP;
332 }
e8e626ad 333
fb98be5e
DS		 334 if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN)
335 hw->flags |= IEEE80211_SINGLE_HW_SCAN_ON_ALL_BANDS;
336
8ca151b5
JB		 337 hw->sta_data_size = sizeof(struct iwl_mvm_sta);
338 hw->vif_data_size = sizeof(struct iwl_mvm_vif);
fe0f2de3 339 hw->chanctx_data_size = sizeof(u16);
8ca151b5
JB		 340
341 hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
3c15a0fb
JB		 342 BIT(NL80211_IFTYPE_P2P_CLIENT) |
343 BIT(NL80211_IFTYPE_AP) |
344 BIT(NL80211_IFTYPE_P2P_GO) |
c13b1725
EG		 345 BIT(NL80211_IFTYPE_P2P_DEVICE) |
346 BIT(NL80211_IFTYPE_ADHOC);
5023d966 347
a2f73b6c
LR		 348 hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
349 hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG |
350 REGULATORY_DISABLE_BEACON_HINTS;
8ca151b5 351
3e56eadf
JB		 352 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_GO_UAPSD)
353 hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD;
354
bd3398e2
AO		 355 if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_CSA_FLOW)
356 hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
357
8ca151b5
JB		 358 hw->wiphy->iface_combinations = iwl_mvm_iface_combinations;
359 hw->wiphy->n_iface_combinations =
360 ARRAY_SIZE(iwl_mvm_iface_combinations);
361
c451e6d4 362 hw->wiphy->max_remain_on_channel_duration = 10000;
8ca151b5
JB		 363 hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL;
364
365 /* Extract MAC address */
366 memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN);
367 hw->wiphy->addresses = mvm->addresses;
368 hw->wiphy->n_addresses = 1;
831e85f3
IP		 369
370 /* Extract additional MAC addresses if available */
371 num_mac = (mvm->nvm_data->n_hw_addrs > 1) ?
372 min(IWL_MVM_MAX_ADDRESSES, mvm->nvm_data->n_hw_addrs) : 1;
373
374 for (i = 1; i < num_mac; i++) {
375 memcpy(mvm->addresses[i].addr, mvm->addresses[i-1].addr,
8ca151b5 376 ETH_ALEN);
831e85f3 377 mvm->addresses[i].addr[5]++;
8ca151b5
JB		 378 hw->wiphy->n_addresses++;
379 }
380
fe0f2de3
IP		 381 iwl_mvm_reset_phy_ctxts(mvm);
382
20f1a5de
DS		 383 hw->wiphy->max_scan_ie_len = iwl_mvm_max_scan_ie_len(mvm);
384
8ca151b5
JB		 385 hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX;
386
387 if (mvm->nvm_data->bands[IEEE80211_BAND_2GHZ].n_channels)
388 hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
389 &mvm->nvm_data->bands[IEEE80211_BAND_2GHZ];
390 if (mvm->nvm_data->bands[IEEE80211_BAND_5GHZ].n_channels)
391 hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
392 &mvm->nvm_data->bands[IEEE80211_BAND_5GHZ];
393
394 hw->wiphy->hw_version = mvm->trans->hw_id;
395
ade50652 396 if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM)
8ca151b5
JB		 397 hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT;
398 else
399 hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
400
6efaaf33
EG		 401 if (IWL_UCODE_API(mvm->fw->ucode_ver) >= 10) {
402 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
403 hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX;
404 hw->wiphy->max_match_sets = IWL_SCAN_MAX_PROFILES;
405 /* we create the 802.11 header and zero length SSID IE. */
406 hw->wiphy->max_sched_scan_ie_len =
407 SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2;
408 }
35a000b7 409
8ca151b5 410 hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN |
ab480030 411 NL80211_FEATURE_LOW_PRIORITY_SCAN |
8a110d9b 412 NL80211_FEATURE_P2P_GO_OPPPS;
8ca151b5
JB		 413
414 mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
415
e36e5433 416 /* currently FW API supports only one optional cipher scheme */
9ddca860 417 if (mvm->fw->cs[0].cipher) {
e36e5433 418 mvm->hw->n_cipher_schemes = 1;
9ddca860 419 mvm->hw->cipher_schemes = &mvm->fw->cs[0];
e36e5433
MS		 420 }
421
8ca151b5 422#ifdef CONFIG_PM_SLEEP
d15a747f
EP		 423 if (iwl_mvm_is_d0i3_supported(mvm) &&
424 device_can_wakeup(mvm->trans->dev)) {
425 mvm->wowlan.flags = WIPHY_WOWLAN_ANY;
426 hw->wiphy->wowlan = &mvm->wowlan;
427 } else if (mvm->fw->img[IWL_UCODE_WOWLAN].sec[0].len &&
8ca151b5
JB		 428 mvm->trans->ops->d3_suspend &&
429 mvm->trans->ops->d3_resume &&
430 device_can_wakeup(mvm->trans->dev)) {
964dc9e2
JB		 431 mvm->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT |
432 WIPHY_WOWLAN_DISCONNECT |
433 WIPHY_WOWLAN_EAP_IDENTITY_REQ |
434 WIPHY_WOWLAN_RFKILL_RELEASE;
8ca151b5 435 if (!iwlwifi_mod_params.sw_crypto)
964dc9e2
JB		 436 mvm->wowlan.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
437 WIPHY_WOWLAN_GTK_REKEY_FAILURE |
438 WIPHY_WOWLAN_4WAY_HANDSHAKE;
439
440 mvm->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS;
441 mvm->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN;
442 mvm->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN;
443 mvm->wowlan.tcp = &iwl_mvm_wowlan_tcp_support;
444 hw->wiphy->wowlan = &mvm->wowlan;
8ca151b5
JB		 445 }
446#endif
447
77736923
EP		 448#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
449 /* assign default bcast filtering configuration */
450 mvm->bcast_filters = iwl_mvm_default_bcast_filters;
451#endif
452
8ca151b5
JB		 453 ret = iwl_mvm_leds_init(mvm);
454 if (ret)
455 return ret;
456
b7327d89
EG		 457 ret = ieee80211_register_hw(mvm->hw);
458 if (ret)
459 iwl_mvm_leds_exit(mvm);
460
461 return ret;
8ca151b5
JB		 462}
463
b2492501
AN		 464static bool iwl_mvm_defer_tx(struct iwl_mvm *mvm,
465 struct ieee80211_sta *sta,
466 struct sk_buff *skb)
467{
468 struct iwl_mvm_sta *mvmsta;
469 bool defer = false;
470
471 /*
472 * double check the IN_D0I3 flag both before and after
473 * taking the spinlock, in order to prevent taking
474 * the spinlock when not needed.
475 */
476 if (likely(!test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status)))
477 return false;
478
479 spin_lock(&mvm->d0i3_tx_lock);
480 /*
481 * testing the flag again ensures the skb dequeue
482 * loop (on d0i3 exit) hasn't run yet.
483 */
484 if (!test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status))
485 goto out;
486
487 mvmsta = iwl_mvm_sta_from_mac80211(sta);
488 if (mvmsta->sta_id == IWL_MVM_STATION_COUNT ||
489 mvmsta->sta_id != mvm->d0i3_ap_sta_id)
490 goto out;
491
492 __skb_queue_tail(&mvm->d0i3_tx, skb);
493 ieee80211_stop_queues(mvm->hw);
494
495 /* trigger wakeup */
496 iwl_mvm_ref(mvm, IWL_MVM_REF_TX);
497 iwl_mvm_unref(mvm, IWL_MVM_REF_TX);
498
499 defer = true;
500out:
501 spin_unlock(&mvm->d0i3_tx_lock);
502 return defer;
503}
504
8ca151b5
JB		 505static void iwl_mvm_mac_tx(struct ieee80211_hw *hw,
506 struct ieee80211_tx_control *control,
507 struct sk_buff *skb)
508{
509 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3e56eadf
JB		 510 struct ieee80211_sta *sta = control->sta;
511 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
512 struct ieee80211_hdr *hdr = (void *)skb->data;
8ca151b5 513
9ee718aa
EL		 514 if (iwl_mvm_is_radio_killed(mvm)) {
515 IWL_DEBUG_DROP(mvm, "Dropping - RF/CT KILL\n");
8ca151b5
JB		 516 goto drop;
517 }
518
398e8c6c 519 if (IEEE80211_SKB_CB(skb)->hw_queue == IWL_MVM_OFFCHANNEL_QUEUE &&
8ca151b5
JB		 520 !test_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status))
521 goto drop;
522
3e56eadf
JB		 523 /* treat non-bufferable MMPDUs as broadcast if sta is sleeping */
524 if (unlikely(info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER &&
525 ieee80211_is_mgmt(hdr->frame_control) &&
526 !ieee80211_is_deauth(hdr->frame_control) &&
527 !ieee80211_is_disassoc(hdr->frame_control) &&
528 !ieee80211_is_action(hdr->frame_control)))
529 sta = NULL;
530
531 if (sta) {
b2492501
AN		 532 if (iwl_mvm_defer_tx(mvm, sta, skb))
533 return;
3e56eadf 534 if (iwl_mvm_tx_skb(mvm, skb, sta))
8ca151b5
JB		 535 goto drop;
536 return;
537 }
538
539 if (iwl_mvm_tx_skb_non_sta(mvm, skb))
540 goto drop;
541 return;
542 drop:
543 ieee80211_free_txskb(hw, skb);
544}
545
205e2210
EG		 546static inline bool iwl_enable_rx_ampdu(const struct iwl_cfg *cfg)
547{
548 if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_RXAGG)
549 return false;
550 return true;
551}
552
553static inline bool iwl_enable_tx_ampdu(const struct iwl_cfg *cfg)
554{
555 if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_TXAGG)
556 return false;
557 if (iwlwifi_mod_params.disable_11n & IWL_ENABLE_HT_TXAGG)
558 return true;
559
560 /* enabled by default */
561 return true;
562}
563
8ca151b5
JB		 564static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw,
565 struct ieee80211_vif *vif,
566 enum ieee80211_ampdu_mlme_action action,
567 struct ieee80211_sta *sta, u16 tid,
568 u16 *ssn, u8 buf_size)
569{
570 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
571 int ret;
b2492501 572 bool tx_agg_ref = false;
8ca151b5
JB		 573
574 IWL_DEBUG_HT(mvm, "A-MPDU action on addr %pM tid %d: action %d\n",
575 sta->addr, tid, action);
576
577 if (!(mvm->nvm_data->sku_cap_11n_enable))
578 return -EACCES;
579
b2492501 580 /* return from D0i3 before starting a new Tx aggregation */
9256c205
EP		 581 switch (action) {
582 case IEEE80211_AMPDU_TX_START:
583 case IEEE80211_AMPDU_TX_STOP_CONT:
584 case IEEE80211_AMPDU_TX_STOP_FLUSH:
585 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
586 case IEEE80211_AMPDU_TX_OPERATIONAL:
b2492501 587 /*
9256c205
EP		 588 * for tx start, wait synchronously until D0i3 exit to
589 * get the correct sequence number for the tid.
590 * additionally, some other ampdu actions use direct
591 * target access, which is not handled automatically
592 * by the trans layer (unlike commands), so wait for
593 * d0i3 exit in these cases as well.
b2492501 594 */
d40fc489
GG		 595 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_TX_AGG);
596 if (ret)
597 return ret;
598
599 tx_agg_ref = true;
9256c205
EP		 600 break;
601 default:
602 break;
b2492501
AN		 603 }
604
8ca151b5
JB		 605 mutex_lock(&mvm->mutex);
606
607 switch (action) {
608 case IEEE80211_AMPDU_RX_START:
205e2210 609 if (!iwl_enable_rx_ampdu(mvm->cfg)) {
8ca151b5
JB		 610 ret = -EINVAL;
611 break;
612 }
613 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true);
614 break;
615 case IEEE80211_AMPDU_RX_STOP:
616 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false);
617 break;
618 case IEEE80211_AMPDU_TX_START:
205e2210 619 if (!iwl_enable_tx_ampdu(mvm->cfg)) {
5d158efa
EG		 620 ret = -EINVAL;
621 break;
622 }
8ca151b5
JB		 623 ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn);
624 break;
625 case IEEE80211_AMPDU_TX_STOP_CONT:
e3d9e7ce
EG		 626 ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid);
627 break;
8ca151b5
JB		 628 case IEEE80211_AMPDU_TX_STOP_FLUSH:
629 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
e3d9e7ce 630 ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid);
8ca151b5
JB		 631 break;
632 case IEEE80211_AMPDU_TX_OPERATIONAL:
633 ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid, buf_size);
634 break;
635 default:
636 WARN_ON_ONCE(1);
637 ret = -EINVAL;
638 break;
639 }
640 mutex_unlock(&mvm->mutex);
641
b2492501
AN		 642 /*
643 * If the tid is marked as started, we won't use it for offloaded
644 * traffic on the next D0i3 entry. It's safe to unref.
645 */
646 if (tx_agg_ref)
647 iwl_mvm_unref(mvm, IWL_MVM_REF_TX_AGG);
648
8ca151b5
JB		 649 return ret;
650}
651
652static void iwl_mvm_cleanup_iterator(void *data, u8 *mac,
653 struct ieee80211_vif *vif)
654{
655 struct iwl_mvm *mvm = data;
656 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
657
658 mvmvif->uploaded = false;
659 mvmvif->ap_sta_id = IWL_MVM_STATION_COUNT;
660
661 /* does this make sense at all? */
662 mvmvif->color++;
663
664 spin_lock_bh(&mvm->time_event_lock);
665 iwl_mvm_te_clear_data(mvm, &mvmvif->time_event_data);
666 spin_unlock_bh(&mvm->time_event_lock);
667
fe0f2de3 668 mvmvif->phy_ctxt = NULL;
8a275bad 669 memset(&mvmvif->bf_data, 0, sizeof(mvmvif->bf_data));
8ca151b5
JB		 670}
671
655e6d6d
EG		 672#ifdef CONFIG_IWLWIFI_DEBUGFS
673static void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm)
674{
675 struct iwl_fw_error_dump_file *dump_file;
676 struct iwl_fw_error_dump_data *dump_data;
677 struct iwl_fw_error_dump_info *dump_info;
48eb7b34 678 struct iwl_mvm_dump_ptrs *fw_error_dump;
655e6d6d
EG		 679 const struct fw_img *img;
680 u32 sram_len, sram_ofs;
681 u32 file_len, rxf_len;
682 unsigned long flags;
655e6d6d
EG		 683 int reg_val;
684
685 lockdep_assert_held(&mvm->mutex);
686
687 if (mvm->fw_error_dump)
688 return;
689
48eb7b34
EG		 690 fw_error_dump = kzalloc(sizeof(*mvm->fw_error_dump), GFP_KERNEL);
691 if (!fw_error_dump)
692 return;
693
655e6d6d
EG		 694 img = &mvm->fw->img[mvm->cur_ucode];
695 sram_ofs = img->sec[IWL_UCODE_SECTION_DATA].offset;
696 sram_len = img->sec[IWL_UCODE_SECTION_DATA].len;
697
698 /* reading buffer size */
699 reg_val = iwl_trans_read_prph(mvm->trans, RXF_SIZE_ADDR);
700 rxf_len = (reg_val & RXF_SIZE_BYTE_CNT_MSK) >> RXF_SIZE_BYTE_CND_POS;
701
702 /* the register holds the value divided by 128 */
703 rxf_len = rxf_len << 7;
704
705 file_len = sizeof(*dump_file) +
706 sizeof(*dump_data) * 3 +
707 sram_len +
708 rxf_len +
709 sizeof(*dump_info);
710
5bfe6f53 711 dump_file = vzalloc(file_len);
48eb7b34
EG		 712 if (!dump_file) {
713 kfree(fw_error_dump);
655e6d6d 714 return;
48eb7b34 715 }
655e6d6d 716
48eb7b34 717 fw_error_dump->op_mode_ptr = dump_file;
655e6d6d
EG		 718
719 dump_file->barker = cpu_to_le32(IWL_FW_ERROR_DUMP_BARKER);
655e6d6d
EG		 720 dump_data = (void *)dump_file->data;
721
722 dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_DEV_FW_INFO);
723 dump_data->len = cpu_to_le32(sizeof(*dump_info));
724 dump_info = (void *) dump_data->data;
725 dump_info->device_family =
726 mvm->cfg->device_family == IWL_DEVICE_FAMILY_7000 ?
727 cpu_to_le32(IWL_FW_ERROR_DUMP_FAMILY_7) :
728 cpu_to_le32(IWL_FW_ERROR_DUMP_FAMILY_8);
729 memcpy(dump_info->fw_human_readable, mvm->fw->human_readable,
730 sizeof(dump_info->fw_human_readable));
731 strncpy(dump_info->dev_human_readable, mvm->cfg->name,
732 sizeof(dump_info->dev_human_readable));
733 strncpy(dump_info->bus_human_readable, mvm->dev->bus->name,
734 sizeof(dump_info->bus_human_readable));
735
736 dump_data = iwl_fw_error_next_data(dump_data);
737 dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_RXF);
738 dump_data->len = cpu_to_le32(rxf_len);
739
740 if (iwl_trans_grab_nic_access(mvm->trans, false, &flags)) {
741 u32 *rxf = (void *)dump_data->data;
742 int i;
743
744 for (i = 0; i < (rxf_len / sizeof(u32)); i++) {
745 iwl_trans_write_prph(mvm->trans,
746 RXF_LD_FENCE_OFFSET_ADDR,
747 i * sizeof(u32));
748 rxf[i] = iwl_trans_read_prph(mvm->trans,
749 RXF_FIFO_RD_FENCE_ADDR);
750 }
751 iwl_trans_release_nic_access(mvm->trans, &flags);
752 }
753
754 dump_data = iwl_fw_error_next_data(dump_data);
755 dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_SRAM);
756 dump_data->len = cpu_to_le32(sram_len);
757 iwl_trans_read_mem_bytes(mvm->trans, sram_ofs, dump_data->data,
758 sram_len);
759
48eb7b34
EG		 760 fw_error_dump->trans_ptr = iwl_trans_dump_data(mvm->trans);
761 fw_error_dump->op_mode_len = file_len;
762 if (fw_error_dump->trans_ptr)
763 file_len += fw_error_dump->trans_ptr->len;
764 dump_file->file_len = cpu_to_le32(file_len);
765 mvm->fw_error_dump = fw_error_dump;
655e6d6d
EG		 766}
767#endif
768
8ca151b5
JB		 769static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm)
770{
1bd3cbc1
EG		 771#ifdef CONFIG_IWLWIFI_DEBUGFS
772 static char *env[] = { "DRIVER=iwlwifi", "EVENT=error_dump", NULL };
773
774 iwl_mvm_fw_error_dump(mvm);
775
776 /* notify the userspace about the error we had */
777 kobject_uevent_env(&mvm->hw->wiphy->dev.kobj, KOBJ_CHANGE, env);
778#endif
779
8ca151b5 780 iwl_trans_stop_device(mvm->trans);
8ca151b5
JB		 781
782 mvm->scan_status = IWL_MVM_SCAN_NONE;
b1873300 783 mvm->ps_disabled = false;
8ca151b5
JB		 784
785 /* just in case one was running */
786 ieee80211_remain_on_channel_expired(mvm->hw);
787
788 ieee80211_iterate_active_interfaces_atomic(
789 mvm->hw, IEEE80211_IFACE_ITER_RESUME_ALL,
790 iwl_mvm_cleanup_iterator, mvm);
791
fe0f2de3 792 mvm->p2p_device_vif = NULL;
37577fe2 793 mvm->d0i3_ap_sta_id = IWL_MVM_STATION_COUNT;
fe0f2de3
IP		 794
795 iwl_mvm_reset_phy_ctxts(mvm);
8ca151b5
JB		 796 memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table));
797 memset(mvm->sta_drained, 0, sizeof(mvm->sta_drained));
8a275bad
EG		 798 memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif));
799 memset(&mvm->last_bt_notif_old, 0, sizeof(mvm->last_bt_notif_old));
800 memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd));
801 memset(&mvm->last_bt_ci_cmd_old, 0, sizeof(mvm->last_bt_ci_cmd_old));
802 memset(&mvm->bt_ack_kill_msk, 0, sizeof(mvm->bt_ack_kill_msk));
803 memset(&mvm->bt_cts_kill_msk, 0, sizeof(mvm->bt_cts_kill_msk));
8ca151b5
JB		 804
805 ieee80211_wake_queues(mvm->hw);
806
7498cf4c
EP		 807 /* cleanup all stale references (scan, roc), but keep the
808 * ucode_down ref until reconfig is complete */
809 iwl_mvm_unref_all_except(mvm, IWL_MVM_REF_UCODE_DOWN);
810
228670b2
EP		 811 /* clear any stale d0i3 state */
812 clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status);
813
8ca151b5 814 mvm->vif_count = 0;
113a0447 815 mvm->rx_ba_sessions = 0;
8ca151b5
JB		 816}
817
818static int iwl_mvm_mac_start(struct ieee80211_hw *hw)
819{
820 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
821 int ret;
822
823 mutex_lock(&mvm->mutex);
824
825 /* Clean up some internal and mac80211 state on restart */
826 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
827 iwl_mvm_restart_cleanup(mvm);
828
829 ret = iwl_mvm_up(mvm);
c47af22a
JB		 830
831 if (ret && test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
832 /* Something went wrong - we need to finish some cleanup
833 * that normally iwl_mvm_mac_restart_complete() below
834 * would do.
835 */
836 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
837 iwl_mvm_d0i3_enable_tx(mvm, NULL);
838 }
839
8ca151b5
JB		 840 mutex_unlock(&mvm->mutex);
841
842 return ret;
843}
844
845static void iwl_mvm_mac_restart_complete(struct ieee80211_hw *hw)
846{
847 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
848 int ret;
849
850 mutex_lock(&mvm->mutex);
851
852 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
b2492501 853 iwl_mvm_d0i3_enable_tx(mvm, NULL);
0166230c 854 ret = iwl_mvm_update_quotas(mvm, NULL);
8ca151b5
JB		 855 if (ret)
856 IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n",
857 ret);
858
7498cf4c
EP		 859 /* allow transport/FW low power modes */
860 iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN);
861
8ca151b5
JB		 862 mutex_unlock(&mvm->mutex);
863}
864
865static void iwl_mvm_mac_stop(struct ieee80211_hw *hw)
866{
867 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
868
37577fe2 869 flush_work(&mvm->d0i3_exit_work);
8ca151b5
JB		 870 flush_work(&mvm->async_handlers_wk);
871
872 mutex_lock(&mvm->mutex);
7498cf4c
EP		 873
874 /* disallow low power states when the FW is down */
875 iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN);
876
8ca151b5
JB		 877 /* async_handlers_wk is now blocked */
878
879 /*
880 * The work item could be running or queued if the
881 * ROC time event stops just as we get here.
882 */
883 cancel_work_sync(&mvm->roc_done_wk);
884
885 iwl_trans_stop_device(mvm->trans);
8ca151b5
JB		 886
887 iwl_mvm_async_handlers_purge(mvm);
888 /* async_handlers_list is empty and will stay empty: HW is stopped */
889
890 /* the fw is stopped, the aux sta is dead: clean up driver state */
712b24ad 891 iwl_mvm_del_aux_sta(mvm);
8ca151b5 892
bc44886d
LC		 893 mvm->ucode_loaded = false;
894
8ca151b5
JB		 895 mutex_unlock(&mvm->mutex);
896
897 /*
898 * The worker might have been waiting for the mutex, let it run and
899 * discover that its list is now empty.
900 */
901 cancel_work_sync(&mvm->async_handlers_wk);
902}
903
fe0f2de3
IP		 904static struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm)
905{
906 u16 i;
907
908 lockdep_assert_held(&mvm->mutex);
909
910 for (i = 0; i < NUM_PHY_CTX; i++)
911 if (!mvm->phy_ctxts[i].ref)
912 return &mvm->phy_ctxts[i];
913
914 IWL_ERR(mvm, "No available PHY context\n");
915 return NULL;
916}
917
ee9c6cb0
EG		 918static int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
919 s8 tx_power)
920{
921 /* FW is in charge of regulatory enforcement */
922 struct iwl_reduce_tx_power_cmd reduce_txpwr_cmd = {
923 .mac_context_id = iwl_mvm_vif_from_mac80211(vif)->id,
924 .pwr_restriction = cpu_to_le16(tx_power),
925 };
926
a1022927 927 return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0,
ee9c6cb0
EG		 928 sizeof(reduce_txpwr_cmd),
929 &reduce_txpwr_cmd);
930}
931
8ca151b5
JB		 932static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw,
933 struct ieee80211_vif *vif)
934{
935 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
936 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
937 int ret;
938
d40fc489
GG		 939 /*
940 * make sure D0i3 exit is completed, otherwise a target access
941 * during tx queue configuration could be done when still in
942 * D0i3 state.
943 */
944 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_ADD_IF);
945 if (ret)
946 return ret;
947
8ca151b5
JB		 948 /*
949 * Not much to do here. The stack will not allow interface
950 * types or combinations that we didn't advertise, so we
951 * don't really have to check the types.
952 */
953
954 mutex_lock(&mvm->mutex);
955
e89044d7 956 /* Allocate resources for the MAC context, and add it to the fw */
8ca151b5
JB		 957 ret = iwl_mvm_mac_ctxt_init(mvm, vif);
958 if (ret)
959 goto out_unlock;
960
1c2abf72 961 /* Counting number of interfaces is needed for legacy PM */
ea183d02
IP		 962 if (vif->type != NL80211_IFTYPE_P2P_DEVICE)
963 mvm->vif_count++;
ea183d02 964
8ca151b5
JB		 965 /*
966 * The AP binding flow can be done only after the beacon
967 * template is configured (which happens only in the mac80211
968 * start_ap() flow), and adding the broadcast station can happen
969 * only after the binding.
970 * In addition, since modifying the MAC before adding a bcast
971 * station is not allowed by the FW, delay the adding of MAC context to
972 * the point where we can also add the bcast station.
973 * In short: there's not much we can do at this point, other than
974 * allocating resources :)
975 */
5023d966
JB		 976 if (vif->type == NL80211_IFTYPE_AP ||
977 vif->type == NL80211_IFTYPE_ADHOC) {
013290aa 978 ret = iwl_mvm_alloc_bcast_sta(mvm, vif);
8ca151b5
JB		 979 if (ret) {
980 IWL_ERR(mvm, "Failed to allocate bcast sta\n");
981 goto out_release;
982 }
983
77740cb4 984 iwl_mvm_vif_dbgfs_register(mvm, vif);
8ca151b5
JB		 985 goto out_unlock;
986 }
987
8ca151b5
JB		 988 ret = iwl_mvm_mac_ctxt_add(mvm, vif);
989 if (ret)
990 goto out_release;
991
999609f1 992 ret = iwl_mvm_power_update_mac(mvm);
e5e7aa8e
EG		 993 if (ret)
994 goto out_release;
8ca151b5 995
7df15b1e 996 /* beacon filtering */
a1022927 997 ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0);
bd3351ba
EP		 998 if (ret)
999 goto out_remove_mac;
1000
7df15b1e 1001 if (!mvm->bf_allowed_vif &&
73e5f2c5 1002 vif->type == NL80211_IFTYPE_STATION && !vif->p2p) {
7df15b1e 1003 mvm->bf_allowed_vif = mvmvif;
a20fd398
AO		 1004 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER |
1005 IEEE80211_VIF_SUPPORTS_CQM_RSSI;
7df15b1e
HG		 1006 }
1007
8ca151b5
JB		 1008 /*
1009 * P2P_DEVICE interface does not have a channel context assigned to it,
1010 * so a dedicated PHY context is allocated to it and the corresponding
1011 * MAC context is bound to it at this stage.
1012 */
1013 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
8ca151b5 1014
fe0f2de3
IP		 1015 mvmvif->phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
1016 if (!mvmvif->phy_ctxt) {
1017 ret = -ENOSPC;
bd3351ba 1018 goto out_free_bf;
fe0f2de3 1019 }
8ca151b5 1020
53a9d61e 1021 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
8ca151b5
JB		 1022 ret = iwl_mvm_binding_add_vif(mvm, vif);
1023 if (ret)
53a9d61e 1024 goto out_unref_phy;
8ca151b5 1025
013290aa 1026 ret = iwl_mvm_add_bcast_sta(mvm, vif);
8ca151b5
JB		 1027 if (ret)
1028 goto out_unbind;
1029
1030 /* Save a pointer to p2p device vif, so it can later be used to
1031 * update the p2p device MAC when a GO is started/stopped */
1032 mvm->p2p_device_vif = vif;
1033 }
1034
63494374 1035 iwl_mvm_vif_dbgfs_register(mvm, vif);
8ca151b5
JB		 1036 goto out_unlock;
1037
1038 out_unbind:
1039 iwl_mvm_binding_remove_vif(mvm, vif);
53a9d61e 1040 out_unref_phy:
fe0f2de3 1041 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
bd3351ba
EP		 1042 out_free_bf:
1043 if (mvm->bf_allowed_vif == mvmvif) {
1044 mvm->bf_allowed_vif = NULL;
a20fd398
AO		 1045 vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER |
1046 IEEE80211_VIF_SUPPORTS_CQM_RSSI);
bd3351ba 1047 }
8ca151b5
JB		 1048 out_remove_mac:
1049 mvmvif->phy_ctxt = NULL;
1050 iwl_mvm_mac_ctxt_remove(mvm, vif);
1051 out_release:
5ee2b215
AB		 1052 if (vif->type != NL80211_IFTYPE_P2P_DEVICE)
1053 mvm->vif_count--;
1c2abf72 1054
8ca151b5
JB		 1055 iwl_mvm_mac_ctxt_release(mvm, vif);
1056 out_unlock:
1057 mutex_unlock(&mvm->mutex);
1058
d40fc489
GG		 1059 iwl_mvm_unref(mvm, IWL_MVM_REF_ADD_IF);
1060
8ca151b5
JB		 1061 return ret;
1062}
1063
38a12b5b
JB		 1064static void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm,
1065 struct ieee80211_vif *vif)
8ca151b5 1066{
110cf810 1067 u32 tfd_msk = iwl_mvm_mac_get_queues_mask(mvm, vif);
8ca151b5
JB		 1068
1069 if (tfd_msk) {
1070 mutex_lock(&mvm->mutex);
1071 iwl_mvm_flush_tx_path(mvm, tfd_msk, true);
1072 mutex_unlock(&mvm->mutex);
1073 }
1074
1075 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
1076 /*
1077 * Flush the ROC worker which will flush the OFFCHANNEL queue.
1078 * We assume here that all the packets sent to the OFFCHANNEL
1079 * queue are sent in ROC session.
1080 */
1081 flush_work(&mvm->roc_done_wk);
1082 } else {
1083 /*
1084 * By now, all the AC queues are empty. The AGG queues are
1085 * empty too. We already got all the Tx responses for all the
1086 * packets in the queues. The drain work can have been
0742a75a 1087 * triggered. Flush it.
8ca151b5
JB		 1088 */
1089 flush_work(&mvm->sta_drained_wk);
1090 }
38a12b5b
JB		 1091}
1092
1093static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw,
1094 struct ieee80211_vif *vif)
1095{
1096 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1097 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1098
1099 iwl_mvm_prepare_mac_removal(mvm, vif);
8ca151b5
JB		 1100
1101 mutex_lock(&mvm->mutex);
1102
7df15b1e
HG		 1103 if (mvm->bf_allowed_vif == mvmvif) {
1104 mvm->bf_allowed_vif = NULL;
a20fd398
AO		 1105 vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER |
1106 IEEE80211_VIF_SUPPORTS_CQM_RSSI);
7df15b1e
HG		 1107 }
1108
63494374
JB		 1109 iwl_mvm_vif_dbgfs_clean(mvm, vif);
1110
8ca151b5
JB		 1111 /*
1112 * For AP/GO interface, the tear down of the resources allocated to the
38a12b5b 1113 * interface is be handled as part of the stop_ap flow.
8ca151b5 1114 */
5023d966
JB		 1115 if (vif->type == NL80211_IFTYPE_AP ||
1116 vif->type == NL80211_IFTYPE_ADHOC) {
507cadf2
DS		 1117#ifdef CONFIG_NL80211_TESTMODE
1118 if (vif == mvm->noa_vif) {
1119 mvm->noa_vif = NULL;
1120 mvm->noa_duration = 0;
1121 }
1122#endif
013290aa 1123 iwl_mvm_dealloc_bcast_sta(mvm, vif);
8ca151b5
JB		 1124 goto out_release;
1125 }
1126
1127 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
1128 mvm->p2p_device_vif = NULL;
013290aa 1129 iwl_mvm_rm_bcast_sta(mvm, vif);
8ca151b5 1130 iwl_mvm_binding_remove_vif(mvm, vif);
fe0f2de3 1131 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
8ca151b5
JB		 1132 mvmvif->phy_ctxt = NULL;
1133 }
1134
5ee2b215 1135 if (mvm->vif_count && vif->type != NL80211_IFTYPE_P2P_DEVICE)
8ca151b5 1136 mvm->vif_count--;
1c2abf72 1137
999609f1 1138 iwl_mvm_power_update_mac(mvm);
8ca151b5
JB		 1139 iwl_mvm_mac_ctxt_remove(mvm, vif);
1140
1141out_release:
1142 iwl_mvm_mac_ctxt_release(mvm, vif);
1143 mutex_unlock(&mvm->mutex);
1144}
1145
1146static int iwl_mvm_mac_config(struct ieee80211_hw *hw, u32 changed)
88f2fd73 1147{
8ca151b5
JB		 1148 return 0;
1149}
1150
e59647ea
EP		 1151struct iwl_mvm_mc_iter_data {
1152 struct iwl_mvm *mvm;
1153 int port_id;
1154};
1155
1156static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac,
1157 struct ieee80211_vif *vif)
1158{
1159 struct iwl_mvm_mc_iter_data *data = _data;
1160 struct iwl_mvm *mvm = data->mvm;
1161 struct iwl_mcast_filter_cmd *cmd = mvm->mcast_filter_cmd;
1162 int ret, len;
1163
1164 /* if we don't have free ports, mcast frames will be dropped */
1165 if (WARN_ON_ONCE(data->port_id >= MAX_PORT_ID_NUM))
1166 return;
1167
1168 if (vif->type != NL80211_IFTYPE_STATION ||
1169 !vif->bss_conf.assoc)
1170 return;
1171
1172 cmd->port_id = data->port_id++;
1173 memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN);
1174 len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4);
1175
1c4abec0 1176 ret = iwl_mvm_send_cmd_pdu(mvm, MCAST_FILTER_CMD, CMD_ASYNC, len, cmd);
e59647ea
EP		 1177 if (ret)
1178 IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret);
1179}
1180
1181static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm)
1182{
1183 struct iwl_mvm_mc_iter_data iter_data = {
1184 .mvm = mvm,
88f2fd73
MG		 1185 };
1186
e59647ea
EP		 1187 lockdep_assert_held(&mvm->mutex);
1188
1189 if (WARN_ON_ONCE(!mvm->mcast_filter_cmd))
1190 return;
1191
1c4abec0 1192 ieee80211_iterate_active_interfaces_atomic(
e59647ea
EP		 1193 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
1194 iwl_mvm_mc_iface_iterator, &iter_data);
88f2fd73
MG		 1195}
1196
e59647ea
EP		 1197static u64 iwl_mvm_prepare_multicast(struct ieee80211_hw *hw,
1198 struct netdev_hw_addr_list *mc_list)
8ca151b5 1199{
e59647ea
EP		 1200 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1201 struct iwl_mcast_filter_cmd *cmd;
1202 struct netdev_hw_addr *addr;
f3bd58f4
MS		 1203 int addr_count;
1204 bool pass_all;
e59647ea
EP		 1205 int len;
1206
f3bd58f4
MS		 1207 addr_count = netdev_hw_addr_list_count(mc_list);
1208 pass_all = addr_count > MAX_MCAST_FILTERING_ADDRESSES ||
1209 IWL_MVM_FW_MCAST_FILTER_PASS_ALL;
1210 if (pass_all)
e59647ea 1211 addr_count = 0;
e59647ea
EP		 1212
1213 len = roundup(sizeof(*cmd) + addr_count * ETH_ALEN, 4);
1214 cmd = kzalloc(len, GFP_ATOMIC);
1215 if (!cmd)
1216 return 0;
1217
1218 if (pass_all) {
1219 cmd->pass_all = 1;
1220 return (u64)(unsigned long)cmd;
1221 }
1222
1223 netdev_hw_addr_list_for_each(addr, mc_list) {
1224 IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %pM\n",
1225 cmd->count, addr->addr);
1226 memcpy(&cmd->addr_list[cmd->count * ETH_ALEN],
1227 addr->addr, ETH_ALEN);
1228 cmd->count++;
1229 }
1230
1231 return (u64)(unsigned long)cmd;
8ca151b5
JB		 1232}
1233
1234static void iwl_mvm_configure_filter(struct ieee80211_hw *hw,
1235 unsigned int changed_flags,
1236 unsigned int *total_flags,
1237 u64 multicast)
1238{
e59647ea
EP		 1239 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1240 struct iwl_mcast_filter_cmd *cmd = (void *)(unsigned long)multicast;
8ca151b5 1241
e59647ea 1242 mutex_lock(&mvm->mutex);
51b6b9e0 1243
e59647ea
EP		 1244 /* replace previous configuration */
1245 kfree(mvm->mcast_filter_cmd);
1246 mvm->mcast_filter_cmd = cmd;
51b6b9e0 1247
e59647ea
EP		 1248 if (!cmd)
1249 goto out;
51b6b9e0 1250
e59647ea
EP		 1251 iwl_mvm_recalc_multicast(mvm);
1252out:
1253 mutex_unlock(&mvm->mutex);
1254 *total_flags = 0;
51b6b9e0
EG		 1255}
1256
c87163b9
EP		 1257#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1258struct iwl_bcast_iter_data {
1259 struct iwl_mvm *mvm;
1260 struct iwl_bcast_filter_cmd *cmd;
1261 u8 current_filter;
1262};
1263
1264static void
1265iwl_mvm_set_bcast_filter(struct ieee80211_vif *vif,
1266 const struct iwl_fw_bcast_filter *in_filter,
1267 struct iwl_fw_bcast_filter *out_filter)
1268{
1269 struct iwl_fw_bcast_filter_attr *attr;
1270 int i;
1271
1272 memcpy(out_filter, in_filter, sizeof(*out_filter));
1273
1274 for (i = 0; i < ARRAY_SIZE(out_filter->attrs); i++) {
1275 attr = &out_filter->attrs[i];
1276
1277 if (!attr->mask)
1278 break;
1279
2ee8f021
EP		 1280 switch (attr->reserved1) {
1281 case cpu_to_le16(BC_FILTER_MAGIC_IP):
1282 if (vif->bss_conf.arp_addr_cnt != 1) {
1283 attr->mask = 0;
1284 continue;
1285 }
1286
1287 attr->val = vif->bss_conf.arp_addr_list[0];
1288 break;
1289 case cpu_to_le16(BC_FILTER_MAGIC_MAC):
1290 attr->val = *(__be32 *)&vif->addr[2];
1291 break;
1292 default:
1293 break;
1294 }
1295 attr->reserved1 = 0;
c87163b9
EP		 1296 out_filter->num_attrs++;
1297 }
1298}
1299
1300static void iwl_mvm_bcast_filter_iterator(void *_data, u8 *mac,
1301 struct ieee80211_vif *vif)
1302{
1303 struct iwl_bcast_iter_data *data = _data;
1304 struct iwl_mvm *mvm = data->mvm;
1305 struct iwl_bcast_filter_cmd *cmd = data->cmd;
1306 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1307 struct iwl_fw_bcast_mac *bcast_mac;
1308 int i;
1309
1310 if (WARN_ON(mvmvif->id >= ARRAY_SIZE(cmd->macs)))
1311 return;
1312
1313 bcast_mac = &cmd->macs[mvmvif->id];
1314
e48393e8
IP		 1315 /*
1316 * enable filtering only for associated stations, but not for P2P
1317 * Clients
1318 */
1319 if (vif->type != NL80211_IFTYPE_STATION || vif->p2p ||
1320 !vif->bss_conf.assoc)
c87163b9
EP		 1321 return;
1322
1323 bcast_mac->default_discard = 1;
1324
1325 /* copy all configured filters */
1326 for (i = 0; mvm->bcast_filters[i].attrs[0].mask; i++) {
1327 /*
1328 * Make sure we don't exceed our filters limit.
1329 * if there is still a valid filter to be configured,
1330 * be on the safe side and just allow bcast for this mac.
1331 */
1332 if (WARN_ON_ONCE(data->current_filter >=
1333 ARRAY_SIZE(cmd->filters))) {
1334 bcast_mac->default_discard = 0;
1335 bcast_mac->attached_filters = 0;
1336 break;
1337 }
1338
1339 iwl_mvm_set_bcast_filter(vif,
1340 &mvm->bcast_filters[i],
1341 &cmd->filters[data->current_filter]);
1342
1343 /* skip current filter if it contains no attributes */
1344 if (!cmd->filters[data->current_filter].num_attrs)
1345 continue;
1346
1347 /* attach the filter to current mac */
1348 bcast_mac->attached_filters |=
1349 cpu_to_le16(BIT(data->current_filter));
1350
1351 data->current_filter++;
1352 }
1353}
1354
de06a59e
EP		 1355bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
1356 struct iwl_bcast_filter_cmd *cmd)
c87163b9 1357{
c87163b9
EP		 1358 struct iwl_bcast_iter_data iter_data = {
1359 .mvm = mvm,
de06a59e 1360 .cmd = cmd,
c87163b9
EP		 1361 };
1362
de06a59e
EP		 1363 memset(cmd, 0, sizeof(*cmd));
1364 cmd->max_bcast_filters = ARRAY_SIZE(cmd->filters);
1365 cmd->max_macs = ARRAY_SIZE(cmd->macs);
1366
1367#ifdef CONFIG_IWLWIFI_DEBUGFS
1368 /* use debugfs filters/macs if override is configured */
1369 if (mvm->dbgfs_bcast_filtering.override) {
1370 memcpy(cmd->filters, &mvm->dbgfs_bcast_filtering.cmd.filters,
1371 sizeof(cmd->filters));
1372 memcpy(cmd->macs, &mvm->dbgfs_bcast_filtering.cmd.macs,
1373 sizeof(cmd->macs));
1374 return true;
1375 }
1376#endif
c87163b9
EP		 1377
1378 /* if no filters are configured, do nothing */
1379 if (!mvm->bcast_filters)
de06a59e 1380 return false;
c87163b9
EP		 1381
1382 /* configure and attach these filters for each associated sta vif */
1383 ieee80211_iterate_active_interfaces(
1384 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
1385 iwl_mvm_bcast_filter_iterator, &iter_data);
1386
de06a59e
EP		 1387 return true;
1388}
1389static int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm,
1390 struct ieee80211_vif *vif)
1391{
1392 struct iwl_bcast_filter_cmd cmd;
1393
1394 if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING))
1395 return 0;
1396
1397 if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd))
1398 return 0;
1399
a1022927 1400 return iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0,
c87163b9
EP		 1401 sizeof(cmd), &cmd);
1402}
1403#else
1404static inline int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm,
1405 struct ieee80211_vif *vif)
1406{
1407 return 0;
1408}
1409#endif
1410
f697267f
AN		 1411static void iwl_mvm_teardown_tdls_peers(struct iwl_mvm *mvm)
1412{
1413 struct ieee80211_sta *sta;
1414 struct iwl_mvm_sta *mvmsta;
1415 int i;
1416
1417 lockdep_assert_held(&mvm->mutex);
1418
1419 for (i = 0; i < IWL_MVM_STATION_COUNT; i++) {
1420 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],
1421 lockdep_is_held(&mvm->mutex));
1422 if (!sta || IS_ERR(sta) || !sta->tdls)
1423 continue;
1424
1425 mvmsta = iwl_mvm_sta_from_mac80211(sta);
1426 ieee80211_tdls_oper_request(mvmsta->vif, sta->addr,
1427 NL80211_TDLS_TEARDOWN,
1428 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED,
1429 GFP_KERNEL);
1430 }
1431}
1432
8ca151b5
JB		 1433static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm,
1434 struct ieee80211_vif *vif,
1435 struct ieee80211_bss_conf *bss_conf,
1436 u32 changes)
1437{
1438 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1439 int ret;
1440
6e97b0d2
IP		 1441 /*
1442 * Re-calculate the tsf id, as the master-slave relations depend on the
1443 * beacon interval, which was not known when the station interface was
1444 * added.
1445 */
1446 if (changes & BSS_CHANGED_ASSOC && bss_conf->assoc)
1447 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif);
1448
3dfd3a97
JB		 1449 /*
1450 * If we're not associated yet, take the (new) BSSID before associating
1451 * so the firmware knows. If we're already associated, then use the old
1452 * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC
1453 * branch for disassociation below.
1454 */
1455 if (changes & BSS_CHANGED_BSSID && !mvmvif->associated)
1456 memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN);
1457
1458 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, mvmvif->bssid);
8ca151b5
JB		 1459 if (ret)
1460 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr);
1461
3dfd3a97
JB		 1462 /* after sending it once, adopt mac80211 data */
1463 memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN);
1464 mvmvif->associated = bss_conf->assoc;
1465
8ca151b5
JB		 1466 if (changes & BSS_CHANGED_ASSOC) {
1467 if (bss_conf->assoc) {
1468 /* add quota for this interface */
0166230c 1469 ret = iwl_mvm_update_quotas(mvm, NULL);
8ca151b5
JB		 1470 if (ret) {
1471 IWL_ERR(mvm, "failed to update quotas\n");
1472 return;
1473 }
016d27e1
JB		 1474
1475 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART,
1476 &mvm->status)) {
1477 /*
1478 * If we're restarting then the firmware will
1479 * obviously have lost synchronisation with
1480 * the AP. It will attempt to synchronise by
1481 * itself, but we can make it more reliable by
1482 * scheduling a session protection time event.
1483 *
1484 * The firmware needs to receive a beacon to
1485 * catch up with synchronisation, use 110% of
1486 * the beacon interval.
1487 *
1488 * Set a large maximum delay to allow for more
1489 * than a single interface.
1490 */
1491 u32 dur = (11 * vif->bss_conf.beacon_int) / 10;
1492 iwl_mvm_protect_session(mvm, vif, dur, dur,
d20d37bc 1493 5 * dur, false);
016d27e1 1494 }
1f3b0ff8
LE		 1495
1496 iwl_mvm_sf_update(mvm, vif, false);
175a70b7 1497 iwl_mvm_power_vif_assoc(mvm, vif);
697162a1 1498 if (vif->p2p) {
29a90a49 1499 iwl_mvm_ref(mvm, IWL_MVM_REF_P2P_CLIENT);
697162a1
EG		 1500 iwl_mvm_update_smps(mvm, vif,
1501 IWL_MVM_SMPS_REQ_PROT,
1502 IEEE80211_SMPS_DYNAMIC);
1503 }
8ca151b5 1504 } else if (mvmvif->ap_sta_id != IWL_MVM_STATION_COUNT) {
1f3b0ff8
LE		 1505 /*
1506 * If update fails - SF might be running in associated
1507 * mode while disassociated - which is forbidden.
1508 */
1509 WARN_ONCE(iwl_mvm_sf_update(mvm, vif, false),
1510 "Failed to update SF upon disassociation\n");
1511
8ca151b5
JB		 1512 /* remove AP station now that the MAC is unassoc */
1513 ret = iwl_mvm_rm_sta_id(mvm, vif, mvmvif->ap_sta_id);
1514 if (ret)
1515 IWL_ERR(mvm, "failed to remove AP station\n");
37577fe2
EP		 1516
1517 if (mvm->d0i3_ap_sta_id == mvmvif->ap_sta_id)
1518 mvm->d0i3_ap_sta_id = IWL_MVM_STATION_COUNT;
8ca151b5
JB		 1519 mvmvif->ap_sta_id = IWL_MVM_STATION_COUNT;
1520 /* remove quota for this interface */
0166230c 1521 ret = iwl_mvm_update_quotas(mvm, NULL);
8ca151b5
JB		 1522 if (ret)
1523 IWL_ERR(mvm, "failed to update quotas\n");
29a90a49
EP		 1524
1525 if (vif->p2p)
1526 iwl_mvm_unref(mvm, IWL_MVM_REF_P2P_CLIENT);
3dfd3a97
JB		 1527
1528 /* this will take the cleared BSSID from bss_conf */
1529 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
1530 if (ret)
1531 IWL_ERR(mvm,
1532 "failed to update MAC %pM (clear after unassoc)\n",
1533 vif->addr);
8ca151b5 1534 }
a20fd398 1535
e59647ea 1536 iwl_mvm_recalc_multicast(mvm);
c87163b9 1537 iwl_mvm_configure_bcast_filter(mvm, vif);
e59647ea 1538
a20fd398
AO		 1539 /* reset rssi values */
1540 mvmvif->bf_data.ave_beacon_signal = 0;
1541
8e484f0b 1542 iwl_mvm_bt_coex_vif_change(mvm);
f94045ed
EG		 1543 iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_TT,
1544 IEEE80211_SMPS_AUTOMATIC);
989c6505 1545 } else if (changes & BSS_CHANGED_BEACON_INFO) {
210a544e
JB		 1546 /*
1547 * We received a beacon _after_ association so
1548 * remove the session protection.
1549 */
1550 iwl_mvm_remove_time_event(mvm, mvmvif,
1551 &mvmvif->time_event_data);
8ca151b5 1552 }
cc87d322
EH		 1553
1554 if (changes & BSS_CHANGED_BEACON_INFO) {
1555 iwl_mvm_sf_update(mvm, vif, false);
1556 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0));
1557 }
1558
1bc10d3b
JB		 1559 if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS)) {
1560 ret = iwl_mvm_power_update_mac(mvm);
1561 if (ret)
1562 IWL_ERR(mvm, "failed to update power mode\n");
1563 }
1564
88f2fd73
MG		 1565 if (changes & BSS_CHANGED_TXPOWER) {
1566 IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n",
1567 bss_conf->txpower);
1568 iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower);
1569 }
a20fd398
AO		 1570
1571 if (changes & BSS_CHANGED_CQM) {
3c6acb61 1572 IWL_DEBUG_MAC80211(mvm, "cqm info_changed\n");
a20fd398
AO		 1573 /* reset cqm events tracking */
1574 mvmvif->bf_data.last_cqm_event = 0;
fa7b2e7f
AA		 1575 if (mvmvif->bf_data.bf_enabled) {
1576 ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0);
1577 if (ret)
1578 IWL_ERR(mvm,
1579 "failed to update CQM thresholds\n");
1580 }
a20fd398 1581 }
2ee8f021
EP		 1582
1583 if (changes & BSS_CHANGED_ARP_FILTER) {
3c6acb61 1584 IWL_DEBUG_MAC80211(mvm, "arp filter changed\n");
2ee8f021
EP		 1585 iwl_mvm_configure_bcast_filter(mvm, vif);
1586 }
8ca151b5
JB		 1587}
1588
5023d966
JB		 1589static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw,
1590 struct ieee80211_vif *vif)
8ca151b5
JB		 1591{
1592 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1593 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1594 int ret;
1595
576eeee9
EP		 1596 /*
1597 * iwl_mvm_mac_ctxt_add() might read directly from the device
1598 * (the system time), so make sure it is available.
1599 */
1600 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_START_AP);
1601 if (ret)
1602 return ret;
1603
8ca151b5
JB		 1604 mutex_lock(&mvm->mutex);
1605
1606 /* Send the beacon template */
1607 ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif);
1608 if (ret)
1609 goto out_unlock;
1610
6e97b0d2
IP		 1611 /*
1612 * Re-calculate the tsf id, as the master-slave relations depend on the
1613 * beacon interval, which was not known when the AP interface was added.
1614 */
1615 if (vif->type == NL80211_IFTYPE_AP)
1616 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif);
1617
8ca151b5
JB		 1618 /* Add the mac context */
1619 ret = iwl_mvm_mac_ctxt_add(mvm, vif);
1620 if (ret)
1621 goto out_unlock;
1622
1623 /* Perform the binding */
1624 ret = iwl_mvm_binding_add_vif(mvm, vif);
1625 if (ret)
1626 goto out_remove;
1627
8ca151b5
JB		 1628 /* Send the bcast station. At this stage the TBTT and DTIM time events
1629 * are added and applied to the scheduler */
013290aa 1630 ret = iwl_mvm_send_add_bcast_sta(mvm, vif);
8ca151b5
JB		 1631 if (ret)
1632 goto out_unbind;
1633
5691e218
IP		 1634 /* must be set before quota calculations */
1635 mvmvif->ap_ibss_active = true;
1636
a11e144e 1637 /* power updated needs to be done before quotas */
999609f1 1638 iwl_mvm_power_update_mac(mvm);
a11e144e 1639
0166230c 1640 ret = iwl_mvm_update_quotas(mvm, NULL);
8ca151b5 1641 if (ret)
a11e144e 1642 goto out_quota_failed;
8ca151b5 1643
5023d966 1644 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
8ca151b5 1645 if (vif->p2p && mvm->p2p_device_vif)
3dfd3a97 1646 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL);
8ca151b5 1647
29a90a49
EP		 1648 iwl_mvm_ref(mvm, IWL_MVM_REF_AP_IBSS);
1649
8e484f0b 1650 iwl_mvm_bt_coex_vif_change(mvm);
dac94da8 1651
f697267f
AN		 1652 /* we don't support TDLS during DCM */
1653 if (iwl_mvm_phy_ctx_count(mvm) > 1)
1654 iwl_mvm_teardown_tdls_peers(mvm);
1655
8ca151b5
JB		 1656 mutex_unlock(&mvm->mutex);
1657 return 0;
1658
a11e144e 1659out_quota_failed:
999609f1 1660 iwl_mvm_power_update_mac(mvm);
5691e218 1661 mvmvif->ap_ibss_active = false;
013290aa 1662 iwl_mvm_send_rm_bcast_sta(mvm, vif);
8ca151b5
JB		 1663out_unbind:
1664 iwl_mvm_binding_remove_vif(mvm, vif);
1665out_remove:
1666 iwl_mvm_mac_ctxt_remove(mvm, vif);
1667out_unlock:
1668 mutex_unlock(&mvm->mutex);
576eeee9 1669 iwl_mvm_unref(mvm, IWL_MVM_REF_START_AP);
8ca151b5
JB		 1670 return ret;
1671}
1672
5023d966
JB		 1673static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw,
1674 struct ieee80211_vif *vif)
8ca151b5
JB		 1675{
1676 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1677 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1678
38a12b5b
JB		 1679 iwl_mvm_prepare_mac_removal(mvm, vif);
1680
8ca151b5
JB		 1681 mutex_lock(&mvm->mutex);
1682
664322fa 1683 /* Handle AP stop while in CSA */
7f0a7c67
AO		 1684 if (rcu_access_pointer(mvm->csa_vif) == vif) {
1685 iwl_mvm_remove_time_event(mvm, mvmvif,
1686 &mvmvif->time_event_data);
664322fa 1687 RCU_INIT_POINTER(mvm->csa_vif, NULL);
7f0a7c67 1688 }
664322fa 1689
003e5236
AO		 1690 if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) {
1691 RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL);
1692 mvm->csa_tx_block_bcn_timeout = 0;
1693 }
1694
5023d966 1695 mvmvif->ap_ibss_active = false;
1c87bbad 1696 mvm->ap_last_beacon_gp2 = 0;
8ca151b5 1697
8e484f0b 1698 iwl_mvm_bt_coex_vif_change(mvm);
dac94da8 1699
29a90a49
EP		 1700 iwl_mvm_unref(mvm, IWL_MVM_REF_AP_IBSS);
1701
5023d966 1702 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
8ca151b5 1703 if (vif->p2p && mvm->p2p_device_vif)
3dfd3a97 1704 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL);
8ca151b5 1705
0166230c 1706 iwl_mvm_update_quotas(mvm, NULL);
013290aa 1707 iwl_mvm_send_rm_bcast_sta(mvm, vif);
8ca151b5 1708 iwl_mvm_binding_remove_vif(mvm, vif);
a11e144e 1709
999609f1 1710 iwl_mvm_power_update_mac(mvm);
a11e144e 1711
8ca151b5
JB		 1712 iwl_mvm_mac_ctxt_remove(mvm, vif);
1713
1714 mutex_unlock(&mvm->mutex);
1715}
1716
5023d966
JB		 1717static void
1718iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm,
1719 struct ieee80211_vif *vif,
1720 struct ieee80211_bss_conf *bss_conf,
1721 u32 changes)
8ca151b5 1722{
be2056fc 1723 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
8a5e3660 1724
be2056fc
IP		 1725 /* Changes will be applied when the AP/IBSS is started */
1726 if (!mvmvif->ap_ibss_active)
1727 return;
1728
863230da
JB		 1729 if (changes & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT |
1730 BSS_CHANGED_BANDWIDTH) &&
3dfd3a97 1731 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL))
863230da 1732 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr);
8a5e3660 1733
8ca151b5 1734 /* Need to send a new beacon template to the FW */
863230da
JB		 1735 if (changes & BSS_CHANGED_BEACON &&
1736 iwl_mvm_mac_ctxt_beacon_changed(mvm, vif))
1737 IWL_WARN(mvm, "Failed updating beacon data\n");
8ca151b5
JB		 1738}
1739
1740static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw,
1741 struct ieee80211_vif *vif,
1742 struct ieee80211_bss_conf *bss_conf,
1743 u32 changes)
1744{
1745 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1746
576eeee9
EP		 1747 /*
1748 * iwl_mvm_bss_info_changed_station() might call
1749 * iwl_mvm_protect_session(), which reads directly from
1750 * the device (the system time), so make sure it is available.
1751 */
1752 if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_BSS_CHANGED))
1753 return;
1754
8ca151b5
JB		 1755 mutex_lock(&mvm->mutex);
1756
723f02ed 1757 if (changes & BSS_CHANGED_IDLE && !bss_conf->idle)
fb98be5e 1758 iwl_mvm_scan_offload_stop(mvm, true);
723f02ed 1759
8ca151b5
JB		 1760 switch (vif->type) {
1761 case NL80211_IFTYPE_STATION:
1762 iwl_mvm_bss_info_changed_station(mvm, vif, bss_conf, changes);
1763 break;
1764 case NL80211_IFTYPE_AP:
5023d966
JB		 1765 case NL80211_IFTYPE_ADHOC:
1766 iwl_mvm_bss_info_changed_ap_ibss(mvm, vif, bss_conf, changes);
8ca151b5
JB		 1767 break;
1768 default:
1769 /* shouldn't happen */
1770 WARN_ON_ONCE(1);
1771 }
1772
1773 mutex_unlock(&mvm->mutex);
576eeee9 1774 iwl_mvm_unref(mvm, IWL_MVM_REF_BSS_CHANGED);
8ca151b5
JB		 1775}
1776
4660dfbb
EP		 1777static int iwl_mvm_cancel_scan_wait_notif(struct iwl_mvm *mvm,
1778 enum iwl_scan_status scan_type)
1779{
1780 int ret;
1781 bool wait_for_handlers = false;
1782
1783 mutex_lock(&mvm->mutex);
1784
1785 if (mvm->scan_status != scan_type) {
1786 ret = 0;
1787 /* make sure there are no pending notifications */
1788 wait_for_handlers = true;
1789 goto out;
1790 }
1791
1792 switch (scan_type) {
1793 case IWL_MVM_SCAN_SCHED:
1794 ret = iwl_mvm_scan_offload_stop(mvm, true);
1795 break;
1796 case IWL_MVM_SCAN_OS:
1797 ret = iwl_mvm_cancel_scan(mvm);
1798 break;
1799 case IWL_MVM_SCAN_NONE:
1800 default:
1801 WARN_ON_ONCE(1);
1802 ret = -EINVAL;
1803 break;
1804 }
1805 if (ret)
1806 goto out;
1807
1808 wait_for_handlers = true;
1809out:
1810 mutex_unlock(&mvm->mutex);
1811
1812 /* make sure we consume the completion notification */
1813 if (wait_for_handlers)
1814 iwl_mvm_wait_for_async_handlers(mvm);
1815
1816 return ret;
1817}
8ca151b5
JB		 1818static int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw,
1819 struct ieee80211_vif *vif,
c56ef672 1820 struct ieee80211_scan_request *hw_req)
8ca151b5
JB		 1821{
1822 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
c56ef672 1823 struct cfg80211_scan_request *req = &hw_req->req;
8ca151b5
JB		 1824 int ret;
1825
762533ba
DS		 1826 if (req->n_channels == 0 ||
1827 req->n_channels > mvm->fw->ucode_capa.n_scan_channels)
8ca151b5
JB		 1828 return -EINVAL;
1829
4660dfbb
EP		 1830 ret = iwl_mvm_cancel_scan_wait_notif(mvm, IWL_MVM_SCAN_SCHED);
1831 if (ret)
1832 return ret;
1833
8ca151b5
JB		 1834 mutex_lock(&mvm->mutex);
1835
4660dfbb 1836 if (mvm->scan_status != IWL_MVM_SCAN_NONE) {
8ca151b5 1837 ret = -EBUSY;
519e2026
AN		 1838 goto out;
1839 }
8ca151b5 1840
519e2026
AN		 1841 iwl_mvm_ref(mvm, IWL_MVM_REF_SCAN);
1842
fb98be5e
DS		 1843 if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN)
1844 ret = iwl_mvm_unified_scan_lmac(mvm, vif, hw_req);
1845 else
1846 ret = iwl_mvm_scan_request(mvm, vif, req);
1847
519e2026
AN		 1848 if (ret)
1849 iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN);
1850out:
8ca151b5 1851 mutex_unlock(&mvm->mutex);
8ca151b5
JB		 1852 return ret;
1853}
1854
1855static void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw,
1856 struct ieee80211_vif *vif)
1857{
1858 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1859
1860 mutex_lock(&mvm->mutex);
1861
1862 iwl_mvm_cancel_scan(mvm);
1863
1864 mutex_unlock(&mvm->mutex);
1865}
1866
1867static void
1868iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw *hw,
3e56eadf 1869 struct ieee80211_sta *sta, u16 tids,
8ca151b5
JB		 1870 int num_frames,
1871 enum ieee80211_frame_release_type reason,
1872 bool more_data)
1873{
1874 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
8ca151b5 1875
3e56eadf 1876 /* Called when we need to transmit (a) frame(s) from mac80211 */
8ca151b5 1877
3e56eadf
JB		 1878 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames,
1879 tids, more_data, false);
1880}
1881
1882static void
1883iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw *hw,
1884 struct ieee80211_sta *sta, u16 tids,
1885 int num_frames,
1886 enum ieee80211_frame_release_type reason,
1887 bool more_data)
1888{
1889 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1890
1891 /* Called when we need to transmit (a) frame(s) from agg queue */
1892
1893 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames,
1894 tids, more_data, true);
8ca151b5
JB		 1895}
1896
1897static void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw,
1898 struct ieee80211_vif *vif,
1899 enum sta_notify_cmd cmd,
1900 struct ieee80211_sta *sta)
1901{
1902 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
5b577a90 1903 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
3e56eadf 1904 int tid;
8ca151b5
JB		 1905
1906 switch (cmd) {
1907 case STA_NOTIFY_SLEEP:
e3d4bc8c 1908 if (atomic_read(&mvm->pending_frames[mvmsta->sta_id]) > 0)
8ca151b5 1909 ieee80211_sta_block_awake(hw, sta, true);
3e56eadf
JB		 1910 spin_lock_bh(&mvmsta->lock);
1911 for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) {
1912 struct iwl_mvm_tid_data *tid_data;
1913
1914 tid_data = &mvmsta->tid_data[tid];
1915 if (tid_data->state != IWL_AGG_ON &&
1916 tid_data->state != IWL_EMPTYING_HW_QUEUE_DELBA)
1917 continue;
1918 if (iwl_mvm_tid_queued(tid_data) == 0)
1919 continue;
1920 ieee80211_sta_set_buffered(sta, tid, true);
1921 }
1922 spin_unlock_bh(&mvmsta->lock);
8ca151b5
JB		 1923 /*
1924 * The fw updates the STA to be asleep. Tx packets on the Tx
1925 * queues to this station will not be transmitted. The fw will
1926 * send a Tx response with TX_STATUS_FAIL_DEST_PS.
1927 */
1928 break;
1929 case STA_NOTIFY_AWAKE:
881acd89 1930 if (WARN_ON(mvmsta->sta_id == IWL_MVM_STATION_COUNT))
8ca151b5 1931 break;
9cc40712 1932 iwl_mvm_sta_modify_ps_wake(mvm, sta);
8ca151b5
JB		 1933 break;
1934 default:
1935 break;
1936 }
1937}
1938
1ddbbb0c
JB		 1939static void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw,
1940 struct ieee80211_vif *vif,
1941 struct ieee80211_sta *sta)
1942{
1943 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1944 struct iwl_mvm_sta *mvm_sta = (void *)sta->drv_priv;
1945
1946 /*
1947 * This is called before mac80211 does RCU synchronisation,
1948 * so here we already invalidate our internal RCU-protected
1949 * station pointer. The rest of the code will thus no longer
1950 * be able to find the station this way, and we don't rely
1951 * on further RCU synchronisation after the sta_state()
1952 * callback deleted the station.
1953 */
1954 mutex_lock(&mvm->mutex);
1955 if (sta == rcu_access_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id]))
1956 rcu_assign_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id],
1957 ERR_PTR(-ENOENT));
1958 mutex_unlock(&mvm->mutex);
1959}
1960
fa3d07e4 1961int iwl_mvm_tdls_sta_count(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
cf7b491d
AN		 1962{
1963 struct ieee80211_sta *sta;
fa3d07e4 1964 struct iwl_mvm_sta *mvmsta;
cf7b491d
AN		 1965 int count = 0;
1966 int i;
1967
1968 lockdep_assert_held(&mvm->mutex);
1969
1970 for (i = 0; i < IWL_MVM_STATION_COUNT; i++) {
1971 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],
1972 lockdep_is_held(&mvm->mutex));
1973 if (!sta || IS_ERR(sta) || !sta->tdls)
1974 continue;
1975
fa3d07e4
AN		 1976 if (vif) {
1977 mvmsta = iwl_mvm_sta_from_mac80211(sta);
1978 if (mvmsta->vif != vif)
1979 continue;
1980 }
1981
cf7b491d
AN		 1982 count++;
1983 }
1984
1985 return count;
1986}
1987
fa3d07e4
AN		 1988static void iwl_mvm_recalc_tdls_state(struct iwl_mvm *mvm,
1989 struct ieee80211_vif *vif,
1990 bool sta_added)
1991{
1992 int tdls_sta_cnt = iwl_mvm_tdls_sta_count(mvm, vif);
1993
1994 /*
1995 * Disable ps when the first TDLS sta is added and re-enable it
1996 * when the last TDLS sta is removed
1997 */
1998 if ((tdls_sta_cnt == 1 && sta_added) ||
1999 (tdls_sta_cnt == 0 && !sta_added))
2000 iwl_mvm_power_update_mac(mvm);
2001}
2002
8ca151b5
JB		 2003static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw,
2004 struct ieee80211_vif *vif,
2005 struct ieee80211_sta *sta,
2006 enum ieee80211_sta_state old_state,
2007 enum ieee80211_sta_state new_state)
2008{
2009 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2010 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2011 int ret;
2012
2013 IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n",
2014 sta->addr, old_state, new_state);
2015
2016 /* this would be a mac80211 bug ... but don't crash */
2017 if (WARN_ON_ONCE(!mvmvif->phy_ctxt))
2018 return -EINVAL;
2019
2020 /* if a STA is being removed, reuse its ID */
2021 flush_work(&mvm->sta_drained_wk);
2022
2023 mutex_lock(&mvm->mutex);
2024 if (old_state == IEEE80211_STA_NOTEXIST &&
2025 new_state == IEEE80211_STA_NONE) {
48bc1307
JB		 2026 /*
2027 * Firmware bug - it'll crash if the beacon interval is less
2028 * than 16. We can't avoid connecting at all, so refuse the
2029 * station state change, this will cause mac80211 to abandon
2030 * attempts to connect to this AP, and eventually wpa_s will
2031 * blacklist the AP...
2032 */
2033 if (vif->type == NL80211_IFTYPE_STATION &&
2034 vif->bss_conf.beacon_int < 16) {
2035 IWL_ERR(mvm,
2036 "AP %pM beacon interval is %d, refusing due to firmware bug!\n",
2037 sta->addr, vif->bss_conf.beacon_int);
2038 ret = -EINVAL;
2039 goto out_unlock;
2040 }
cf7b491d
AN		 2041
2042 if (sta->tdls &&
2043 (vif->p2p ||
fa3d07e4
AN		 2044 iwl_mvm_tdls_sta_count(mvm, NULL) ==
2045 IWL_MVM_TDLS_STA_COUNT ||
cf7b491d
AN		 2046 iwl_mvm_phy_ctx_count(mvm) > 1)) {
2047 IWL_DEBUG_MAC80211(mvm, "refusing TDLS sta\n");
2048 ret = -EBUSY;
2049 goto out_unlock;
2050 }
2051
8ca151b5 2052 ret = iwl_mvm_add_sta(mvm, vif, sta);
fa3d07e4
AN		 2053 if (sta->tdls && ret == 0)
2054 iwl_mvm_recalc_tdls_state(mvm, vif, true);
8ca151b5
JB		 2055 } else if (old_state == IEEE80211_STA_NONE &&
2056 new_state == IEEE80211_STA_AUTH) {
e820c2da
HD		 2057 /*
2058 * EBS may be disabled due to previous failures reported by FW.
2059 * Reset EBS status here assuming environment has been changed.
2060 */
2061 mvm->last_ebs_successful = true;
8ca151b5
JB		 2062 ret = 0;
2063 } else if (old_state == IEEE80211_STA_AUTH &&
2064 new_state == IEEE80211_STA_ASSOC) {
7a453973
JB		 2065 ret = iwl_mvm_update_sta(mvm, vif, sta);
2066 if (ret == 0)
2067 iwl_mvm_rs_rate_init(mvm, sta,
b87c2179
ES		 2068 mvmvif->phy_ctxt->channel->band,
2069 true);
8ca151b5
JB		 2070 } else if (old_state == IEEE80211_STA_ASSOC &&
2071 new_state == IEEE80211_STA_AUTHORIZED) {
f59e0e3c
AN		 2072
2073 /* we don't support TDLS during DCM */
2074 if (iwl_mvm_phy_ctx_count(mvm) > 1)
2075 iwl_mvm_teardown_tdls_peers(mvm);
2076
7df15b1e 2077 /* enable beacon filtering */
fa7b2e7f 2078 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0));
8ca151b5
JB		 2079 ret = 0;
2080 } else if (old_state == IEEE80211_STA_AUTHORIZED &&
2081 new_state == IEEE80211_STA_ASSOC) {
7df15b1e 2082 /* disable beacon filtering */
a1022927 2083 WARN_ON(iwl_mvm_disable_beacon_filter(mvm, vif, 0));
8ca151b5
JB		 2084 ret = 0;
2085 } else if (old_state == IEEE80211_STA_ASSOC &&
2086 new_state == IEEE80211_STA_AUTH) {
2087 ret = 0;
2088 } else if (old_state == IEEE80211_STA_AUTH &&
2089 new_state == IEEE80211_STA_NONE) {
2090 ret = 0;
2091 } else if (old_state == IEEE80211_STA_NONE &&
2092 new_state == IEEE80211_STA_NOTEXIST) {
2093 ret = iwl_mvm_rm_sta(mvm, vif, sta);
fa3d07e4
AN		 2094 if (sta->tdls)
2095 iwl_mvm_recalc_tdls_state(mvm, vif, false);
8ca151b5
JB		 2096 } else {
2097 ret = -EIO;
2098 }
48bc1307 2099 out_unlock:
8ca151b5
JB		 2100 mutex_unlock(&mvm->mutex);
2101
2102 return ret;
2103}
2104
2105static int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
2106{
2107 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2108
2109 mvm->rts_threshold = value;
2110
2111 return 0;
2112}
2113
1f3b0ff8
LE		 2114static void iwl_mvm_sta_rc_update(struct ieee80211_hw *hw,
2115 struct ieee80211_vif *vif,
2116 struct ieee80211_sta *sta, u32 changed)
2117{
2118 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2119
2120 if (vif->type == NL80211_IFTYPE_STATION &&
2121 changed & IEEE80211_RC_NSS_CHANGED)
2122 iwl_mvm_sf_update(mvm, vif, false);
2123}
2124
8ca151b5
JB		 2125static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw,
2126 struct ieee80211_vif *vif, u16 ac,
2127 const struct ieee80211_tx_queue_params *params)
2128{
2129 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2130 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2131
2132 mvmvif->queue_params[ac] = *params;
2133
2134 /*
2135 * No need to update right away, we'll get BSS_CHANGED_QOS
2136 * The exception is P2P_DEVICE interface which needs immediate update.
2137 */
2138 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
2139 int ret;
2140
2141 mutex_lock(&mvm->mutex);
3dfd3a97 2142 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
8ca151b5
JB		 2143 mutex_unlock(&mvm->mutex);
2144 return ret;
2145 }
2146 return 0;
2147}
2148
2149static void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw,
2150 struct ieee80211_vif *vif)
2151{
2152 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2153 u32 duration = min(IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS,
2154 200 + vif->bss_conf.beacon_int);
2155 u32 min_duration = min(IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS,
2156 100 + vif->bss_conf.beacon_int);
2157
2158 if (WARN_ON_ONCE(vif->bss_conf.assoc))
2159 return;
2160
576eeee9
EP		 2161 /*
2162 * iwl_mvm_protect_session() reads directly from the device
2163 * (the system time), so make sure it is available.
2164 */
2165 if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PREPARE_TX))
2166 return;
2167
8ca151b5
JB		 2168 mutex_lock(&mvm->mutex);
2169 /* Try really hard to protect the session and hear a beacon */
d20d37bc 2170 iwl_mvm_protect_session(mvm, vif, duration, min_duration, 500, false);
8ca151b5 2171 mutex_unlock(&mvm->mutex);
576eeee9
EP		 2172
2173 iwl_mvm_unref(mvm, IWL_MVM_REF_PREPARE_TX);
8ca151b5
JB		 2174}
2175
07ecd897
AN		 2176static void iwl_mvm_mac_mgd_protect_tdls_discover(struct ieee80211_hw *hw,
2177 struct ieee80211_vif *vif)
2178{
2179 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2180 u32 duration = 2 * vif->bss_conf.dtim_period * vif->bss_conf.beacon_int;
2181
576eeee9
EP		 2182 /*
2183 * iwl_mvm_protect_session() reads directly from the device
2184 * (the system time), so make sure it is available.
2185 */
2186 if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PROTECT_TDLS))
2187 return;
2188
07ecd897
AN		 2189 mutex_lock(&mvm->mutex);
2190 /* Protect the session to hear the TDLS setup response on the channel */
d20d37bc 2191 iwl_mvm_protect_session(mvm, vif, duration, duration, 100, true);
07ecd897 2192 mutex_unlock(&mvm->mutex);
576eeee9
EP		 2193
2194 iwl_mvm_unref(mvm, IWL_MVM_REF_PROTECT_TDLS);
07ecd897
AN		 2195}
2196
35a000b7
DS		 2197static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw,
2198 struct ieee80211_vif *vif,
2199 struct cfg80211_sched_scan_request *req,
633e2713 2200 struct ieee80211_scan_ies *ies)
35a000b7
DS		 2201{
2202 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2203 int ret;
2204
4660dfbb
EP		 2205 ret = iwl_mvm_cancel_scan_wait_notif(mvm, IWL_MVM_SCAN_OS);
2206 if (ret)
2207 return ret;
2208
35a000b7
DS		 2209 mutex_lock(&mvm->mutex);
2210
b538b8ce 2211 if (!iwl_mvm_is_idle(mvm)) {
bd5e4744
DS		 2212 ret = -EBUSY;
2213 goto out;
2214 }
2215
4660dfbb 2216 if (mvm->scan_status != IWL_MVM_SCAN_NONE) {
35a000b7
DS		 2217 ret = -EBUSY;
2218 goto out;
2219 }
2220
2221 mvm->scan_status = IWL_MVM_SCAN_SCHED;
2222
fb98be5e
DS		 2223 if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN)) {
2224 ret = iwl_mvm_config_sched_scan(mvm, vif, req, ies);
2225 if (ret)
2226 goto err;
2227 }
35a000b7
DS		 2228
2229 ret = iwl_mvm_config_sched_scan_profiles(mvm, req);
2230 if (ret)
2231 goto err;
2232
fb98be5e
DS		 2233 if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN)
2234 ret = iwl_mvm_unified_sched_scan_lmac(mvm, vif, req, ies);
2235 else
2236 ret = iwl_mvm_sched_scan_start(mvm, req);
2237
35a000b7
DS		 2238 if (!ret)
2239 goto out;
2240err:
2241 mvm->scan_status = IWL_MVM_SCAN_NONE;
2242out:
2243 mutex_unlock(&mvm->mutex);
2244 return ret;
2245}
2246
37e3308c
JB		 2247static int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw,
2248 struct ieee80211_vif *vif)
35a000b7
DS		 2249{
2250 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
33ea27f6 2251 int ret;
35a000b7
DS		 2252
2253 mutex_lock(&mvm->mutex);
fb98be5e 2254 ret = iwl_mvm_scan_offload_stop(mvm, false);
35a000b7 2255 mutex_unlock(&mvm->mutex);
33ea27f6 2256 iwl_mvm_wait_for_async_handlers(mvm);
37e3308c 2257
33ea27f6 2258 return ret;
35a000b7
DS		 2259}
2260
8ca151b5
JB		 2261static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw,
2262 enum set_key_cmd cmd,
2263 struct ieee80211_vif *vif,
2264 struct ieee80211_sta *sta,
2265 struct ieee80211_key_conf *key)
2266{
2267 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2268 int ret;
2269
2270 if (iwlwifi_mod_params.sw_crypto) {
2271 IWL_DEBUG_MAC80211(mvm, "leave - hwcrypto disabled\n");
2272 return -EOPNOTSUPP;
2273 }
2274
2275 switch (key->cipher) {
2276 case WLAN_CIPHER_SUITE_TKIP:
2277 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
2278 /* fall-through */
2279 case WLAN_CIPHER_SUITE_CCMP:
2280 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
2281 break;
2282 case WLAN_CIPHER_SUITE_AES_CMAC:
2283 WARN_ON_ONCE(!(hw->flags & IEEE80211_HW_MFP_CAPABLE));
2284 break;
2285 case WLAN_CIPHER_SUITE_WEP40:
2286 case WLAN_CIPHER_SUITE_WEP104:
2287 /*
2288 * Support for TX only, at least for now, so accept
2289 * the key and do nothing else. Then mac80211 will
2290 * pass it for TX but we don't have to use it for RX.
2291 */
2292 return 0;
2293 default:
e36e5433
MS		 2294 /* currently FW supports only one optional cipher scheme */
2295 if (hw->n_cipher_schemes &&
2296 hw->cipher_schemes->cipher == key->cipher)
2297 key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE;
2298 else
2299 return -EOPNOTSUPP;
8ca151b5
JB		 2300 }
2301
2302 mutex_lock(&mvm->mutex);
2303
2304 switch (cmd) {
2305 case SET_KEY:
5023d966
JB		 2306 if ((vif->type == NL80211_IFTYPE_ADHOC ||
2307 vif->type == NL80211_IFTYPE_AP) && !sta) {
2308 /*
2309 * GTK on AP interface is a TX-only key, return 0;
2310 * on IBSS they're per-station and because we're lazy
2311 * we don't support them for RX, so do the same.
2312 */
6caffd4f
JB		 2313 ret = 0;
2314 key->hw_key_idx = STA_KEY_IDX_INVALID;
2315 break;
2316 }
2317
8ca151b5
JB		 2318 IWL_DEBUG_MAC80211(mvm, "set hwcrypto key\n");
2319 ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, false);
2320 if (ret) {
2321 IWL_WARN(mvm, "set key failed\n");
2322 /*
2323 * can't add key for RX, but we don't need it
2324 * in the device for TX so still return 0
2325 */
6caffd4f 2326 key->hw_key_idx = STA_KEY_IDX_INVALID;
8ca151b5
JB		 2327 ret = 0;
2328 }
2329
2330 break;
2331 case DISABLE_KEY:
6caffd4f
JB		 2332 if (key->hw_key_idx == STA_KEY_IDX_INVALID) {
2333 ret = 0;
2334 break;
2335 }
2336
8ca151b5
JB		 2337 IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n");
2338 ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key);
2339 break;
2340 default:
2341 ret = -EINVAL;
2342 }
2343
2344 mutex_unlock(&mvm->mutex);
2345 return ret;
2346}
2347
2348static void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw,
2349 struct ieee80211_vif *vif,
2350 struct ieee80211_key_conf *keyconf,
2351 struct ieee80211_sta *sta,
2352 u32 iv32, u16 *phase1key)
2353{
2354 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2355
5023d966
JB		 2356 if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID)
2357 return;
2358
8ca151b5
JB		 2359 iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key);
2360}
2361
2362
b112889c
AM		 2363static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data *notif_wait,
2364 struct iwl_rx_packet *pkt, void *data)
2365{
2366 struct iwl_mvm *mvm =
2367 container_of(notif_wait, struct iwl_mvm, notif_wait);
2368 struct iwl_hs20_roc_res *resp;
2369 int resp_len = iwl_rx_packet_payload_len(pkt);
2370 struct iwl_mvm_time_event_data *te_data = data;
2371
2372 if (WARN_ON(pkt->hdr.cmd != HOT_SPOT_CMD))
2373 return true;
2374
2375 if (WARN_ON_ONCE(resp_len != sizeof(*resp))) {
2376 IWL_ERR(mvm, "Invalid HOT_SPOT_CMD response\n");
2377 return true;
2378 }
2379
2380 resp = (void *)pkt->data;
2381
2382 IWL_DEBUG_TE(mvm,
2383 "Aux ROC: Recieved response from ucode: status=%d uid=%d\n",
2384 resp->status, resp->event_unique_id);
2385
2386 te_data->uid = le32_to_cpu(resp->event_unique_id);
2387 IWL_DEBUG_TE(mvm, "TIME_EVENT_CMD response - UID = 0x%x\n",
2388 te_data->uid);
2389
2390 spin_lock_bh(&mvm->time_event_lock);
2391 list_add_tail(&te_data->list, &mvm->aux_roc_te_list);
2392 spin_unlock_bh(&mvm->time_event_lock);
2393
2394 return true;
2395}
2396
2397#define AUX_ROC_MAX_DELAY_ON_CHANNEL 5000
2398static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm,
2399 struct ieee80211_channel *channel,
2400 struct ieee80211_vif *vif,
2401 int duration)
2402{
2403 int res, time_reg = DEVICE_SYSTEM_TIME_REG;
2404 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2405 struct iwl_mvm_time_event_data *te_data = &mvmvif->hs_time_event_data;
2406 static const u8 time_event_response[] = { HOT_SPOT_CMD };
2407 struct iwl_notification_wait wait_time_event;
2408 struct iwl_hs20_roc_req aux_roc_req = {
2409 .action = cpu_to_le32(FW_CTXT_ACTION_ADD),
2410 .id_and_color =
2411 cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX, 0)),
2412 .sta_id_and_color = cpu_to_le32(mvm->aux_sta.sta_id),
2413 /* Set the channel info data */
2414 .channel_info.band = (channel->band == IEEE80211_BAND_2GHZ) ?
2415 PHY_BAND_24 : PHY_BAND_5,
2416 .channel_info.channel = channel->hw_value,
2417 .channel_info.width = PHY_VHT_CHANNEL_MODE20,
2418 /* Set the time and duration */
2419 .apply_time = cpu_to_le32(iwl_read_prph(mvm->trans, time_reg)),
2420 .apply_time_max_delay =
2421 cpu_to_le32(MSEC_TO_TU(AUX_ROC_MAX_DELAY_ON_CHANNEL)),
2422 .duration = cpu_to_le32(MSEC_TO_TU(duration)),
2423 };
2424
2425 /* Set the node address */
2426 memcpy(aux_roc_req.node_addr, vif->addr, ETH_ALEN);
2427
2428 te_data->vif = vif;
2429 te_data->duration = duration;
2430 te_data->id = HOT_SPOT_CMD;
2431
2432 lockdep_assert_held(&mvm->mutex);
2433
2434 spin_lock_bh(&mvm->time_event_lock);
2435 list_add_tail(&te_data->list, &mvm->time_event_list);
2436 spin_unlock_bh(&mvm->time_event_lock);
2437
2438 /*
2439 * Use a notification wait, which really just processes the
2440 * command response and doesn't wait for anything, in order
2441 * to be able to process the response and get the UID inside
2442 * the RX path. Using CMD_WANT_SKB doesn't work because it
2443 * stores the buffer and then wakes up this thread, by which
2444 * time another notification (that the time event started)
2445 * might already be processed unsuccessfully.
2446 */
2447 iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event,
2448 time_event_response,
2449 ARRAY_SIZE(time_event_response),
2450 iwl_mvm_rx_aux_roc, te_data);
2451
2452 res = iwl_mvm_send_cmd_pdu(mvm, HOT_SPOT_CMD, 0, sizeof(aux_roc_req),
2453 &aux_roc_req);
2454
2455 if (res) {
2456 IWL_ERR(mvm, "Couldn't send HOT_SPOT_CMD: %d\n", res);
2457 iwl_remove_notification(&mvm->notif_wait, &wait_time_event);
2458 goto out_clear_te;
2459 }
2460
2461 /* No need to wait for anything, so just pass 1 (0 isn't valid) */
2462 res = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1);
2463 /* should never fail */
2464 WARN_ON_ONCE(res);
2465
2466 if (res) {
2467 out_clear_te:
2468 spin_lock_bh(&mvm->time_event_lock);
2469 iwl_mvm_te_clear_data(mvm, te_data);
2470 spin_unlock_bh(&mvm->time_event_lock);
2471 }
2472
2473 return res;
2474}
2475
8ca151b5
JB		 2476static int iwl_mvm_roc(struct ieee80211_hw *hw,
2477 struct ieee80211_vif *vif,
2478 struct ieee80211_channel *channel,
d339d5ca
IP		 2479 int duration,
2480 enum ieee80211_roc_type type)
8ca151b5
JB		 2481{
2482 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
fe0f2de3 2483 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
8ca151b5 2484 struct cfg80211_chan_def chandef;
31d385ae
IP		 2485 struct iwl_mvm_phy_ctxt *phy_ctxt;
2486 int ret, i;
2487
2488 IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value,
2489 duration, type);
8ca151b5 2490
b112889c
AM		 2491 switch (vif->type) {
2492 case NL80211_IFTYPE_STATION:
2493 /* Use aux roc framework (HS20) */
2494 ret = iwl_mvm_send_aux_roc_cmd(mvm, channel,
2495 vif, duration);
2496 return ret;
2497 case NL80211_IFTYPE_P2P_DEVICE:
2498 /* handle below */
2499 break;
2500 default:
2501 IWL_ERR(mvm, "vif isn't P2P_DEVICE: %d\n", vif->type);
8ca151b5
JB		 2502 return -EINVAL;
2503 }
2504
8ca151b5
JB		 2505 mutex_lock(&mvm->mutex);
2506
31d385ae
IP		 2507 for (i = 0; i < NUM_PHY_CTX; i++) {
2508 phy_ctxt = &mvm->phy_ctxts[i];
2509 if (phy_ctxt->ref == 0 || mvmvif->phy_ctxt == phy_ctxt)
2510 continue;
2511
2512 if (phy_ctxt->ref && channel == phy_ctxt->channel) {
2513 /*
2514 * Unbind the P2P_DEVICE from the current PHY context,
2515 * and if the PHY context is not used remove it.
2516 */
2517 ret = iwl_mvm_binding_remove_vif(mvm, vif);
2518 if (WARN(ret, "Failed unbinding P2P_DEVICE\n"))
2519 goto out_unlock;
2520
2521 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
2522
2523 /* Bind the P2P_DEVICE to the current PHY Context */
2524 mvmvif->phy_ctxt = phy_ctxt;
2525
2526 ret = iwl_mvm_binding_add_vif(mvm, vif);
2527 if (WARN(ret, "Failed binding P2P_DEVICE\n"))
2528 goto out_unlock;
2529
2530 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
2531 goto schedule_time_event;
2532 }
2533 }
2534
2535 /* Need to update the PHY context only if the ROC channel changed */
2536 if (channel == mvmvif->phy_ctxt->channel)
2537 goto schedule_time_event;
2538
8ca151b5 2539 cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT);
8ca151b5 2540
31d385ae
IP		 2541 /*
2542 * Change the PHY context configuration as it is currently referenced
2543 * only by the P2P Device MAC
2544 */
2545 if (mvmvif->phy_ctxt->ref == 1) {
2546 ret = iwl_mvm_phy_ctxt_changed(mvm, mvmvif->phy_ctxt,
2547 &chandef, 1, 1);
2548 if (ret)
2549 goto out_unlock;
2550 } else {
2551 /*
2552 * The PHY context is shared with other MACs. Need to remove the
2553 * P2P Device from the binding, allocate an new PHY context and
2554 * create a new binding
2555 */
2556 phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
2557 if (!phy_ctxt) {
2558 ret = -ENOSPC;
2559 goto out_unlock;
2560 }
2561
2562 ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &chandef,
2563 1, 1);
2564 if (ret) {
2565 IWL_ERR(mvm, "Failed to change PHY context\n");
2566 goto out_unlock;
2567 }
2568
2569 /* Unbind the P2P_DEVICE from the current PHY context */
2570 ret = iwl_mvm_binding_remove_vif(mvm, vif);
2571 if (WARN(ret, "Failed unbinding P2P_DEVICE\n"))
2572 goto out_unlock;
2573
2574 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
2575
2576 /* Bind the P2P_DEVICE to the new allocated PHY context */
2577 mvmvif->phy_ctxt = phy_ctxt;
2578
2579 ret = iwl_mvm_binding_add_vif(mvm, vif);
2580 if (WARN(ret, "Failed binding P2P_DEVICE\n"))
2581 goto out_unlock;
2582
2583 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
2584 }
2585
2586schedule_time_event:
8ca151b5 2587 /* Schedule the time events */
e635c797 2588 ret = iwl_mvm_start_p2p_roc(mvm, vif, duration, type);
8ca151b5 2589
31d385ae 2590out_unlock:
8ca151b5
JB		 2591 mutex_unlock(&mvm->mutex);
2592 IWL_DEBUG_MAC80211(mvm, "leave\n");
8ca151b5
JB		 2593 return ret;
2594}
2595
2596static int iwl_mvm_cancel_roc(struct ieee80211_hw *hw)
2597{
2598 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2599
2600 IWL_DEBUG_MAC80211(mvm, "enter\n");
2601
2602 mutex_lock(&mvm->mutex);
2603 iwl_mvm_stop_p2p_roc(mvm);
2604 mutex_unlock(&mvm->mutex);
2605
2606 IWL_DEBUG_MAC80211(mvm, "leave\n");
2607 return 0;
2608}
2609
b08c1d97
LC		 2610static int __iwl_mvm_add_chanctx(struct iwl_mvm *mvm,
2611 struct ieee80211_chanctx_conf *ctx)
8ca151b5 2612{
fe0f2de3
IP		 2613 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
2614 struct iwl_mvm_phy_ctxt *phy_ctxt;
8ca151b5
JB		 2615 int ret;
2616
b08c1d97
LC		 2617 lockdep_assert_held(&mvm->mutex);
2618
53a9d61e 2619 IWL_DEBUG_MAC80211(mvm, "Add channel context\n");
fe0f2de3 2620
fe0f2de3
IP		 2621 phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
2622 if (!phy_ctxt) {
2623 ret = -ENOSPC;
2624 goto out;
2625 }
8ca151b5 2626
dcbc3e1a 2627 ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->min_def,
53a9d61e
IP		 2628 ctx->rx_chains_static,
2629 ctx->rx_chains_dynamic);
fe0f2de3
IP		 2630 if (ret) {
2631 IWL_ERR(mvm, "Failed to add PHY context\n");
2632 goto out;
2633 }
2634
53a9d61e 2635 iwl_mvm_phy_ctxt_ref(mvm, phy_ctxt);
fe0f2de3
IP		 2636 *phy_ctxt_id = phy_ctxt->id;
2637out:
b08c1d97
LC		 2638 return ret;
2639}
2640
2641static int iwl_mvm_add_chanctx(struct ieee80211_hw *hw,
2642 struct ieee80211_chanctx_conf *ctx)
2643{
2644 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2645 int ret;
2646
2647 mutex_lock(&mvm->mutex);
2648 ret = __iwl_mvm_add_chanctx(mvm, ctx);
8ca151b5 2649 mutex_unlock(&mvm->mutex);
b08c1d97 2650
8ca151b5
JB		 2651 return ret;
2652}
2653
b08c1d97
LC		 2654static void __iwl_mvm_remove_chanctx(struct iwl_mvm *mvm,
2655 struct ieee80211_chanctx_conf *ctx)
2656{
2657 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
2658 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
2659
2660 lockdep_assert_held(&mvm->mutex);
2661
2662 iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt);
2663}
2664
8ca151b5
JB		 2665static void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw,
2666 struct ieee80211_chanctx_conf *ctx)
2667{
2668 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
8ca151b5
JB		 2669
2670 mutex_lock(&mvm->mutex);
b08c1d97 2671 __iwl_mvm_remove_chanctx(mvm, ctx);
8ca151b5
JB		 2672 mutex_unlock(&mvm->mutex);
2673}
2674
2675static void iwl_mvm_change_chanctx(struct ieee80211_hw *hw,
2676 struct ieee80211_chanctx_conf *ctx,
2677 u32 changed)
2678{
2679 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
fe0f2de3
IP		 2680 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
2681 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
8ca151b5 2682
31d385ae
IP		 2683 if (WARN_ONCE((phy_ctxt->ref > 1) &&
2684 (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH |
2685 IEEE80211_CHANCTX_CHANGE_RX_CHAINS |
2dceedae
AN		 2686 IEEE80211_CHANCTX_CHANGE_RADAR |
2687 IEEE80211_CHANCTX_CHANGE_MIN_WIDTH)),
31d385ae
IP		 2688 "Cannot change PHY. Ref=%d, changed=0x%X\n",
2689 phy_ctxt->ref, changed))
2690 return;
2691
8ca151b5 2692 mutex_lock(&mvm->mutex);
4d66449a 2693 iwl_mvm_bt_coex_vif_change(mvm);
dcbc3e1a 2694 iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->min_def,
8ca151b5
JB		 2695 ctx->rx_chains_static,
2696 ctx->rx_chains_dynamic);
2697 mutex_unlock(&mvm->mutex);
2698}
2699
b08c1d97
LC		 2700static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm,
2701 struct ieee80211_vif *vif,
f0c97783
LC		 2702 struct ieee80211_chanctx_conf *ctx,
2703 bool switching_chanctx)
8ca151b5 2704{
fe0f2de3
IP		 2705 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
2706 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
8ca151b5
JB		 2707 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2708 int ret;
2709
b08c1d97 2710 lockdep_assert_held(&mvm->mutex);
8ca151b5 2711
fe0f2de3 2712 mvmvif->phy_ctxt = phy_ctxt;
8ca151b5
JB		 2713
2714 switch (vif->type) {
2715 case NL80211_IFTYPE_AP:
bd3398e2
AO		 2716 /* Unless it's a CSA flow we have nothing to do here */
2717 if (vif->csa_active) {
2718 mvmvif->ap_ibss_active = true;
2719 break;
2720 }
5023d966 2721 case NL80211_IFTYPE_ADHOC:
8ca151b5
JB		 2722 /*
2723 * The AP binding flow is handled as part of the start_ap flow
5023d966 2724 * (in bss_info_changed), similarly for IBSS.
8ca151b5
JB		 2725 */
2726 ret = 0;
b08c1d97 2727 goto out;
8ca151b5 2728 case NL80211_IFTYPE_STATION:
2533edce 2729 break;
8ca151b5 2730 case NL80211_IFTYPE_MONITOR:
2533edce
LC		 2731 /* always disable PS when a monitor interface is active */
2732 mvmvif->ps_disabled = true;
8ca151b5
JB		 2733 break;
2734 default:
2735 ret = -EINVAL;
b08c1d97 2736 goto out;
8ca151b5
JB		 2737 }
2738
2739 ret = iwl_mvm_binding_add_vif(mvm, vif);
2740 if (ret)
b08c1d97 2741 goto out;
8ca151b5
JB		 2742
2743 /*
92d85562
AB		 2744 * Power state must be updated before quotas,
2745 * otherwise fw will complain.
2746 */
999609f1 2747 iwl_mvm_power_update_mac(mvm);
92d85562
AB		 2748
2749 /* Setting the quota at this stage is only required for monitor
8ca151b5
JB		 2750 * interfaces. For the other types, the bss_info changed flow
2751 * will handle quota settings.
2752 */
2753 if (vif->type == NL80211_IFTYPE_MONITOR) {
1e1391ca 2754 mvmvif->monitor_active = true;
0166230c 2755 ret = iwl_mvm_update_quotas(mvm, NULL);
8ca151b5
JB		 2756 if (ret)
2757 goto out_remove_binding;
2758 }
2759
bd3398e2 2760 /* Handle binding during CSA */
f0c97783
LC		 2761 if ((vif->type == NL80211_IFTYPE_AP) ||
2762 (switching_chanctx && (vif->type == NL80211_IFTYPE_STATION))) {
0166230c 2763 iwl_mvm_update_quotas(mvm, NULL);
3dfd3a97 2764 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
bd3398e2
AO		 2765 }
2766
0ce04ce7
LC		 2767 if (vif->csa_active && vif->type == NL80211_IFTYPE_STATION) {
2768 struct iwl_mvm_sta *mvmsta;
2769
2770 mvmsta = iwl_mvm_sta_from_staid_protected(mvm,
2771 mvmvif->ap_sta_id);
2772
2773 if (WARN_ON(!mvmsta))
2774 goto out;
2775
2776 /* TODO: only re-enable after the first beacon */
2777 iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false);
2778 }
2779
b08c1d97 2780 goto out;
8ca151b5 2781
b08c1d97 2782out_remove_binding:
8ca151b5 2783 iwl_mvm_binding_remove_vif(mvm, vif);
999609f1 2784 iwl_mvm_power_update_mac(mvm);
b08c1d97 2785out:
8ca151b5
JB		 2786 if (ret)
2787 mvmvif->phy_ctxt = NULL;
2788 return ret;
2789}
b08c1d97
LC		 2790static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw,
2791 struct ieee80211_vif *vif,
2792 struct ieee80211_chanctx_conf *ctx)
8ca151b5
JB		 2793{
2794 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
b08c1d97 2795 int ret;
8ca151b5
JB		 2796
2797 mutex_lock(&mvm->mutex);
f0c97783 2798 ret = __iwl_mvm_assign_vif_chanctx(mvm, vif, ctx, false);
b08c1d97
LC		 2799 mutex_unlock(&mvm->mutex);
2800
2801 return ret;
2802}
2803
2804static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm,
2805 struct ieee80211_vif *vif,
f0c97783
LC		 2806 struct ieee80211_chanctx_conf *ctx,
2807 bool switching_chanctx)
b08c1d97
LC		 2808{
2809 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
f0c97783 2810 struct ieee80211_vif *disabled_vif = NULL;
0ce04ce7 2811 struct iwl_mvm_sta *mvmsta;
b08c1d97
LC		 2812
2813 lockdep_assert_held(&mvm->mutex);
8ca151b5
JB		 2814
2815 iwl_mvm_remove_time_event(mvm, mvmvif, &mvmvif->time_event_data);
2816
8ca151b5 2817 switch (vif->type) {
5023d966 2818 case NL80211_IFTYPE_ADHOC:
b08c1d97 2819 goto out;
8ca151b5 2820 case NL80211_IFTYPE_MONITOR:
1e1391ca 2821 mvmvif->monitor_active = false;
2533edce 2822 mvmvif->ps_disabled = false;
8ca151b5 2823 break;
bd3398e2
AO		 2824 case NL80211_IFTYPE_AP:
2825 /* This part is triggered only during CSA */
2826 if (!vif->csa_active || !mvmvif->ap_ibss_active)
b08c1d97 2827 goto out;
bd3398e2 2828
003e5236
AO		 2829 /* Set CS bit on all the stations */
2830 iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, true);
2831
2832 /* Save blocked iface, the timeout is set on the next beacon */
2833 rcu_assign_pointer(mvm->csa_tx_blocked_vif, vif);
2834
bd3398e2 2835 mvmvif->ap_ibss_active = false;
f0c97783
LC		 2836 break;
2837 case NL80211_IFTYPE_STATION:
2838 if (!switching_chanctx)
2839 break;
2840
2841 disabled_vif = vif;
2842
0ce04ce7
LC		 2843 mvmsta = iwl_mvm_sta_from_staid_protected(mvm,
2844 mvmvif->ap_sta_id);
2845
2846 if (!WARN_ON(!mvmsta))
2847 iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, true);
2848
3dfd3a97 2849 iwl_mvm_mac_ctxt_changed(mvm, vif, true, NULL);
f0c97783 2850 break;
8ca151b5
JB		 2851 default:
2852 break;
2853 }
2854
f0c97783 2855 iwl_mvm_update_quotas(mvm, disabled_vif);
1e1391ca 2856 iwl_mvm_binding_remove_vif(mvm, vif);
1c2abf72 2857
b08c1d97 2858out:
a11e144e 2859 mvmvif->phy_ctxt = NULL;
999609f1 2860 iwl_mvm_power_update_mac(mvm);
b08c1d97
LC		 2861}
2862
2863static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw,
2864 struct ieee80211_vif *vif,
2865 struct ieee80211_chanctx_conf *ctx)
2866{
2867 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2868
2869 mutex_lock(&mvm->mutex);
f0c97783 2870 __iwl_mvm_unassign_vif_chanctx(mvm, vif, ctx, false);
8ca151b5
JB		 2871 mutex_unlock(&mvm->mutex);
2872}
2873
b08c1d97
LC		 2874static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw *hw,
2875 struct ieee80211_vif_chanctx_switch *vifs,
2876 int n_vifs,
2877 enum ieee80211_chanctx_switch_mode mode)
2878{
2879 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2880 int ret;
2881
2882 /* we only support SWAP_CONTEXTS and with a single-vif right now */
2883 if (mode != CHANCTX_SWMODE_SWAP_CONTEXTS || n_vifs > 1)
2884 return -EOPNOTSUPP;
2885
2886 mutex_lock(&mvm->mutex);
f0c97783 2887 __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true);
b08c1d97
LC		 2888 __iwl_mvm_remove_chanctx(mvm, vifs[0].old_ctx);
2889
2890 ret = __iwl_mvm_add_chanctx(mvm, vifs[0].new_ctx);
2891 if (ret) {
2892 IWL_ERR(mvm, "failed to add new_ctx during channel switch\n");
2893 goto out_reassign;
2894 }
2895
f0c97783
LC		 2896 ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx,
2897 true);
b08c1d97
LC		 2898 if (ret) {
2899 IWL_ERR(mvm,
2900 "failed to assign new_ctx during channel switch\n");
2901 goto out_remove;
2902 }
2903
f697267f
AN		 2904 /* we don't support TDLS during DCM - can be caused by channel switch */
2905 if (iwl_mvm_phy_ctx_count(mvm) > 1)
2906 iwl_mvm_teardown_tdls_peers(mvm);
2907
b08c1d97
LC		 2908 goto out;
2909
2910out_remove:
2911 __iwl_mvm_remove_chanctx(mvm, vifs[0].new_ctx);
2912
2913out_reassign:
2914 ret = __iwl_mvm_add_chanctx(mvm, vifs[0].old_ctx);
2915 if (ret) {
2916 IWL_ERR(mvm, "failed to add old_ctx back after failure.\n");
2917 goto out_restart;
2918 }
2919
f0c97783
LC		 2920 ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx,
2921 true);
b08c1d97
LC		 2922 if (ret) {
2923 IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n");
2924 goto out_restart;
2925 }
2926
2927 goto out;
2928
2929out_restart:
2930 /* things keep failing, better restart the hw */
2931 iwl_mvm_nic_restart(mvm, false);
2932
2933out:
2934 mutex_unlock(&mvm->mutex);
2935 return ret;
2936}
2937
8ca151b5
JB		 2938static int iwl_mvm_set_tim(struct ieee80211_hw *hw,
2939 struct ieee80211_sta *sta,
2940 bool set)
2941{
2942 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2943 struct iwl_mvm_sta *mvm_sta = (void *)sta->drv_priv;
2944
2945 if (!mvm_sta || !mvm_sta->vif) {
2946 IWL_ERR(mvm, "Station is not associated to a vif\n");
2947 return -EINVAL;
2948 }
2949
2950 return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif);
2951}
2952
507cadf2
DS		 2953#ifdef CONFIG_NL80211_TESTMODE
2954static const struct nla_policy iwl_mvm_tm_policy[IWL_MVM_TM_ATTR_MAX + 1] = {
2955 [IWL_MVM_TM_ATTR_CMD] = { .type = NLA_U32 },
2956 [IWL_MVM_TM_ATTR_NOA_DURATION] = { .type = NLA_U32 },
f6c6ad42 2957 [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE] = { .type = NLA_U32 },
507cadf2
DS		 2958};
2959
2960static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm,
2961 struct ieee80211_vif *vif,
2962 void *data, int len)
2963{
2964 struct nlattr *tb[IWL_MVM_TM_ATTR_MAX + 1];
2965 int err;
2966 u32 noa_duration;
2967
2968 err = nla_parse(tb, IWL_MVM_TM_ATTR_MAX, data, len, iwl_mvm_tm_policy);
2969 if (err)
2970 return err;
2971
2972 if (!tb[IWL_MVM_TM_ATTR_CMD])
2973 return -EINVAL;
2974
2975 switch (nla_get_u32(tb[IWL_MVM_TM_ATTR_CMD])) {
2976 case IWL_MVM_TM_CMD_SET_NOA:
2977 if (!vif || vif->type != NL80211_IFTYPE_AP || !vif->p2p ||
2978 !vif->bss_conf.enable_beacon ||
2979 !tb[IWL_MVM_TM_ATTR_NOA_DURATION])
2980 return -EINVAL;
2981
2982 noa_duration = nla_get_u32(tb[IWL_MVM_TM_ATTR_NOA_DURATION]);
2983 if (noa_duration >= vif->bss_conf.beacon_int)
2984 return -EINVAL;
2985
2986 mvm->noa_duration = noa_duration;
2987 mvm->noa_vif = vif;
2988
0166230c 2989 return iwl_mvm_update_quotas(mvm, NULL);
f6c6ad42
JB		 2990 case IWL_MVM_TM_CMD_SET_BEACON_FILTER:
2991 /* must be associated client vif - ignore authorized */
2992 if (!vif || vif->type != NL80211_IFTYPE_STATION ||
2993 !vif->bss_conf.assoc || !vif->bss_conf.dtim_period ||
2994 !tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE])
2995 return -EINVAL;
2996
2997 if (nla_get_u32(tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE]))
a1022927
EG		 2998 return iwl_mvm_enable_beacon_filter(mvm, vif, 0);
2999 return iwl_mvm_disable_beacon_filter(mvm, vif, 0);
507cadf2
DS		 3000 }
3001
3002 return -EOPNOTSUPP;
3003}
3004
3005static int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw *hw,
3006 struct ieee80211_vif *vif,
3007 void *data, int len)
3008{
3009 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3010 int err;
3011
3012 mutex_lock(&mvm->mutex);
3013 err = __iwl_mvm_mac_testmode_cmd(mvm, vif, data, len);
3014 mutex_unlock(&mvm->mutex);
3015
3016 return err;
3017}
3018#endif
3019
bd3398e2
AO		 3020static void iwl_mvm_channel_switch_beacon(struct ieee80211_hw *hw,
3021 struct ieee80211_vif *vif,
3022 struct cfg80211_chan_def *chandef)
3023{
3024 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
664322fa 3025 struct ieee80211_vif *csa_vif;
bd3398e2
AO		 3026
3027 mutex_lock(&mvm->mutex);
664322fa
AO		 3028
3029 csa_vif = rcu_dereference_protected(mvm->csa_vif,
3030 lockdep_is_held(&mvm->mutex));
3031 if (WARN(csa_vif && csa_vif->csa_active,
bd3398e2
AO		 3032 "Another CSA is already in progress"))
3033 goto out_unlock;
3034
3035 IWL_DEBUG_MAC80211(mvm, "CSA started to freq %d\n",
3036 chandef->center_freq1);
664322fa 3037 rcu_assign_pointer(mvm->csa_vif, vif);
bd3398e2
AO		 3038
3039out_unlock:
3040 mutex_unlock(&mvm->mutex);
3041}
3042
c5b0e7c0
EG		 3043static void iwl_mvm_mac_flush(struct ieee80211_hw *hw,
3044 struct ieee80211_vif *vif, u32 queues, bool drop)
3045{
3046 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3047 struct iwl_mvm_vif *mvmvif;
3048 struct iwl_mvm_sta *mvmsta;
3049
3050 if (!vif || vif->type != NL80211_IFTYPE_STATION)
3051 return;
3052
3053 mutex_lock(&mvm->mutex);
3054 mvmvif = iwl_mvm_vif_from_mac80211(vif);
3055 mvmsta = iwl_mvm_sta_from_staid_protected(mvm, mvmvif->ap_sta_id);
3056
3057 if (WARN_ON_ONCE(!mvmsta))
3058 goto done;
3059
3060 if (drop) {
3061 if (iwl_mvm_flush_tx_path(mvm, mvmsta->tfd_queue_msk, true))
3062 IWL_ERR(mvm, "flush request fail\n");
3063 } else {
3064 iwl_trans_wait_tx_queue_empty(mvm->trans,
3065 mvmsta->tfd_queue_msk);
3066 }
3067done:
3068 mutex_unlock(&mvm->mutex);
3069}
3070
e5209263 3071const struct ieee80211_ops iwl_mvm_hw_ops = {
8ca151b5
JB		 3072 .tx = iwl_mvm_mac_tx,
3073 .ampdu_action = iwl_mvm_mac_ampdu_action,
3074 .start = iwl_mvm_mac_start,
3075 .restart_complete = iwl_mvm_mac_restart_complete,
3076 .stop = iwl_mvm_mac_stop,
3077 .add_interface = iwl_mvm_mac_add_interface,
3078 .remove_interface = iwl_mvm_mac_remove_interface,
3079 .config = iwl_mvm_mac_config,
e59647ea 3080 .prepare_multicast = iwl_mvm_prepare_multicast,
8ca151b5
JB		 3081 .configure_filter = iwl_mvm_configure_filter,
3082 .bss_info_changed = iwl_mvm_bss_info_changed,
3083 .hw_scan = iwl_mvm_mac_hw_scan,
3084 .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan,
1ddbbb0c 3085 .sta_pre_rcu_remove = iwl_mvm_sta_pre_rcu_remove,
8ca151b5
JB		 3086 .sta_state = iwl_mvm_mac_sta_state,
3087 .sta_notify = iwl_mvm_mac_sta_notify,
3088 .allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames,
3e56eadf 3089 .release_buffered_frames = iwl_mvm_mac_release_buffered_frames,
8ca151b5 3090 .set_rts_threshold = iwl_mvm_mac_set_rts_threshold,
1f3b0ff8 3091 .sta_rc_update = iwl_mvm_sta_rc_update,
8ca151b5
JB		 3092 .conf_tx = iwl_mvm_mac_conf_tx,
3093 .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx,
07ecd897 3094 .mgd_protect_tdls_discover = iwl_mvm_mac_mgd_protect_tdls_discover,
c5b0e7c0 3095 .flush = iwl_mvm_mac_flush,
35a000b7
DS		 3096 .sched_scan_start = iwl_mvm_mac_sched_scan_start,
3097 .sched_scan_stop = iwl_mvm_mac_sched_scan_stop,
8ca151b5
JB		 3098 .set_key = iwl_mvm_mac_set_key,
3099 .update_tkip_key = iwl_mvm_mac_update_tkip_key,
3100 .remain_on_channel = iwl_mvm_roc,
3101 .cancel_remain_on_channel = iwl_mvm_cancel_roc,
8ca151b5
JB		 3102 .add_chanctx = iwl_mvm_add_chanctx,
3103 .remove_chanctx = iwl_mvm_remove_chanctx,
3104 .change_chanctx = iwl_mvm_change_chanctx,
3105 .assign_vif_chanctx = iwl_mvm_assign_vif_chanctx,
3106 .unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx,
b08c1d97 3107 .switch_vif_chanctx = iwl_mvm_switch_vif_chanctx,
8ca151b5 3108
5023d966
JB		 3109 .start_ap = iwl_mvm_start_ap_ibss,
3110 .stop_ap = iwl_mvm_stop_ap_ibss,
3111 .join_ibss = iwl_mvm_start_ap_ibss,
3112 .leave_ibss = iwl_mvm_stop_ap_ibss,
8ca151b5
JB		 3113
3114 .set_tim = iwl_mvm_set_tim,
3115
bd3398e2
AO		 3116 .channel_switch_beacon = iwl_mvm_channel_switch_beacon,
3117
507cadf2
DS		 3118 CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd)
3119
8ca151b5
JB		 3120#ifdef CONFIG_PM_SLEEP
3121 /* look at d3.c */
3122 .suspend = iwl_mvm_suspend,
3123 .resume = iwl_mvm_resume,
3124 .set_wakeup = iwl_mvm_set_wakeup,
3125 .set_rekey_data = iwl_mvm_set_rekey_data,
3126#if IS_ENABLED(CONFIG_IPV6)
3127 .ipv6_addr_change = iwl_mvm_ipv6_addr_change,
3128#endif
3129 .set_default_unicast_key = iwl_mvm_set_default_unicast_key,
3130#endif
3131};
Linux kernel - Deliverables
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