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iwlwifi: mvm: allow transport sleep when FW is operational
[mirror_ubuntu-artful-kernel.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.
8ca151b5
JB		 9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of version 2 of the GNU General Public License as
12 * published by the Free Software Foundation.
13 *
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
22 * USA
23 *
24 * The full GNU General Public License is included in this distribution
410dc5aa 25 * in the file called COPYING.
8ca151b5
JB		 26 *
27 * Contact Information:
28 * Intel Linux Wireless <ilw@linux.intel.com>
29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
30 *
31 * BSD LICENSE
32 *
51368bf7 33 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
8ca151b5
JB		 34 * All rights reserved.
35 *
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
38 * are met:
39 *
40 * * Redistributions of source code must retain the above copyright
41 * notice, this list of conditions and the following disclaimer.
42 * * Redistributions in binary form must reproduce the above copyright
43 * notice, this list of conditions and the following disclaimer in
44 * the documentation and/or other materials provided with the
45 * distribution.
46 * * Neither the name Intel Corporation nor the names of its
47 * contributors may be used to endorse or promote products derived
48 * from this software without specific prior written permission.
49 *
50 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
51 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
52 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
53 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
54 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
55 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
56 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
57 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
58 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
59 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
60 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
61 *
62 *****************************************************************************/
63#include <linux/kernel.h>
64#include <linux/slab.h>
65#include <linux/skbuff.h>
66#include <linux/netdevice.h>
67#include <linux/etherdevice.h>
f0c2646a 68#include <linux/ip.h>
2ee8f021 69#include <linux/if_arp.h>
8ca151b5 70#include <net/mac80211.h>
f0c2646a 71#include <net/tcp.h>
8ca151b5
JB		 72
73#include "iwl-op-mode.h"
74#include "iwl-io.h"
75#include "mvm.h"
76#include "sta.h"
77#include "time-event.h"
78#include "iwl-eeprom-parse.h"
79#include "fw-api-scan.h"
80#include "iwl-phy-db.h"
507cadf2 81#include "testmode.h"
8ca151b5
JB		 82
83static const struct ieee80211_iface_limit iwl_mvm_limits[] = {
84 {
85 .max = 1,
8eb38710 86 .types = BIT(NL80211_IFTYPE_STATION),
8ca151b5 87 },
3c15a0fb
JB		 88 {
89 .max = 1,
8eb38710
IP		 90 .types = BIT(NL80211_IFTYPE_AP) |
91 BIT(NL80211_IFTYPE_P2P_CLIENT) |
3c15a0fb
JB		 92 BIT(NL80211_IFTYPE_P2P_GO),
93 },
94 {
95 .max = 1,
96 .types = BIT(NL80211_IFTYPE_P2P_DEVICE),
97 },
8ca151b5
JB		 98};
99
100static const struct ieee80211_iface_combination iwl_mvm_iface_combinations[] = {
101 {
102 .num_different_channels = 1,
103 .max_interfaces = 3,
104 .limits = iwl_mvm_limits,
105 .n_limits = ARRAY_SIZE(iwl_mvm_limits),
106 },
107};
108
f0c2646a
JB		 109#ifdef CONFIG_PM_SLEEP
110static const struct nl80211_wowlan_tcp_data_token_feature
111iwl_mvm_wowlan_tcp_token_feature = {
112 .min_len = 0,
113 .max_len = 255,
114 .bufsize = IWL_WOWLAN_REMOTE_WAKE_MAX_TOKENS,
115};
116
117static const struct wiphy_wowlan_tcp_support iwl_mvm_wowlan_tcp_support = {
118 .tok = &iwl_mvm_wowlan_tcp_token_feature,
119 .data_payload_max = IWL_WOWLAN_TCP_MAX_PACKET_LEN -
120 sizeof(struct ethhdr) -
121 sizeof(struct iphdr) -
122 sizeof(struct tcphdr),
123 .data_interval_max = 65535, /* __le16 in API */
124 .wake_payload_max = IWL_WOWLAN_REMOTE_WAKE_MAX_PACKET_LEN -
125 sizeof(struct ethhdr) -
126 sizeof(struct iphdr) -
127 sizeof(struct tcphdr),
128 .seq = true,
129};
130#endif
131
77736923 132#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
2ee8f021
EP		 133/*
134 * Use the reserved field to indicate magic values.
135 * these values will only be used internally by the driver,
136 * and won't make it to the fw (reserved will be 0).
137 * BC_FILTER_MAGIC_IP - configure the val of this attribute to
138 * be the vif's ip address. in case there is not a single
139 * ip address (0, or more than 1), this attribute will
140 * be skipped.
141 * BC_FILTER_MAGIC_MAC - set the val of this attribute to
142 * the LSB bytes of the vif's mac address
143 */
144enum {
145 BC_FILTER_MAGIC_NONE = 0,
146 BC_FILTER_MAGIC_IP,
147 BC_FILTER_MAGIC_MAC,
148};
149
77736923
EP		 150static const struct iwl_fw_bcast_filter iwl_mvm_default_bcast_filters[] = {
151 {
152 /* arp */
153 .discard = 0,
154 .frame_type = BCAST_FILTER_FRAME_TYPE_ALL,
155 .attrs = {
156 {
157 /* frame type - arp, hw type - ethernet */
158 .offset_type =
159 BCAST_FILTER_OFFSET_PAYLOAD_START,
160 .offset = sizeof(rfc1042_header),
161 .val = cpu_to_be32(0x08060001),
162 .mask = cpu_to_be32(0xffffffff),
163 },
2ee8f021
EP		 164 {
165 /* arp dest ip */
166 .offset_type =
167 BCAST_FILTER_OFFSET_PAYLOAD_START,
168 .offset = sizeof(rfc1042_header) + 2 +
169 sizeof(struct arphdr) +
170 ETH_ALEN + sizeof(__be32) +
171 ETH_ALEN,
172 .mask = cpu_to_be32(0xffffffff),
173 /* mark it as special field */
174 .reserved1 = cpu_to_le16(BC_FILTER_MAGIC_IP),
175 },
176 },
177 },
178 {
179 /* dhcp offer bcast */
180 .discard = 0,
181 .frame_type = BCAST_FILTER_FRAME_TYPE_IPV4,
182 .attrs = {
183 {
184 /* udp dest port - 68 (bootp client)*/
185 .offset_type = BCAST_FILTER_OFFSET_IP_END,
186 .offset = offsetof(struct udphdr, dest),
187 .val = cpu_to_be32(0x00440000),
188 .mask = cpu_to_be32(0xffff0000),
189 },
190 {
191 /* dhcp - lsb bytes of client hw address */
192 .offset_type = BCAST_FILTER_OFFSET_IP_END,
193 .offset = 38,
194 .mask = cpu_to_be32(0xffffffff),
195 /* mark it as special field */
196 .reserved1 = cpu_to_le16(BC_FILTER_MAGIC_MAC),
197 },
77736923
EP		 198 },
199 },
200 /* last filter must be empty */
201 {},
202};
203#endif
204
7498cf4c
EP		 205void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type)
206{
207 if (!mvm->trans->cfg->d0i3)
208 return;
209
210 IWL_DEBUG_RPM(mvm, "Take mvm reference - type %d\n", ref_type);
211 WARN_ON(test_and_set_bit(ref_type, mvm->ref_bitmap));
212 iwl_trans_ref(mvm->trans);
213}
214
215void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type)
216{
217 if (!mvm->trans->cfg->d0i3)
218 return;
219
220 IWL_DEBUG_RPM(mvm, "Leave mvm reference - type %d\n", ref_type);
221 WARN_ON(!test_and_clear_bit(ref_type, mvm->ref_bitmap));
222 iwl_trans_unref(mvm->trans);
223}
224
225static void
226iwl_mvm_unref_all_except(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref)
227{
228 int i;
229
230 if (!mvm->trans->cfg->d0i3)
231 return;
232
233 for_each_set_bit(i, mvm->ref_bitmap, IWL_MVM_REF_COUNT) {
234 if (ref == i)
235 continue;
236
237 IWL_DEBUG_RPM(mvm, "Cleanup: remove mvm ref type %d\n", i);
238 clear_bit(i, mvm->ref_bitmap);
239 iwl_trans_unref(mvm->trans);
240 }
241}
242
fe0f2de3
IP		 243static void iwl_mvm_reset_phy_ctxts(struct iwl_mvm *mvm)
244{
245 int i;
246
247 memset(mvm->phy_ctxts, 0, sizeof(mvm->phy_ctxts));
248 for (i = 0; i < NUM_PHY_CTX; i++) {
249 mvm->phy_ctxts[i].id = i;
250 mvm->phy_ctxts[i].ref = 0;
251 }
252}
253
20f1a5de
DS		 254static int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm)
255{
256 /* we create the 802.11 header and SSID element */
257 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_NO_BASIC_SSID)
258 return mvm->fw->ucode_capa.max_probe_length - 24 - 2;
259 return mvm->fw->ucode_capa.max_probe_length - 24 - 34;
260}
261
8ca151b5
JB		 262int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
263{
264 struct ieee80211_hw *hw = mvm->hw;
831e85f3 265 int num_mac, ret, i;
8ca151b5
JB		 266
267 /* Tell mac80211 our characteristics */
268 hw->flags = IEEE80211_HW_SIGNAL_DBM |
269 IEEE80211_HW_SPECTRUM_MGMT |
270 IEEE80211_HW_REPORTS_TX_ACK_STATUS |
271 IEEE80211_HW_QUEUE_CONTROL |
272 IEEE80211_HW_WANT_MONITOR_VIF |
8ca151b5
JB		 273 IEEE80211_HW_SUPPORTS_PS |
274 IEEE80211_HW_SUPPORTS_DYNAMIC_PS |
d2931bbd 275 IEEE80211_HW_AMPDU_AGGREGATION |
d64048ed 276 IEEE80211_HW_TIMING_BEACON_ONLY |
147fc9be
EG		 277 IEEE80211_HW_CONNECTION_MONITOR |
278 IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS |
e8e626ad 279 IEEE80211_HW_SUPPORTS_STATIC_SMPS;
8ca151b5 280
19e737c9 281 hw->queues = mvm->first_agg_queue;
398e8c6c 282 hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE;
8ca151b5
JB		 283 hw->rate_control_algorithm = "iwl-mvm-rs";
284
285 /*
286 * Enable 11w if advertised by firmware and software crypto
287 * is not enabled (as the firmware will interpret some mgmt
288 * packets, so enabling it with software crypto isn't safe)
289 */
290 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_MFP &&
291 !iwlwifi_mod_params.sw_crypto)
292 hw->flags |= IEEE80211_HW_MFP_CAPABLE;
293
e8e626ad
AB		 294 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT) {
295 hw->flags |= IEEE80211_HW_SUPPORTS_UAPSD;
296 hw->uapsd_queues = IWL_UAPSD_AC_INFO;
297 hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP;
298 }
299
8ca151b5
JB		 300 hw->sta_data_size = sizeof(struct iwl_mvm_sta);
301 hw->vif_data_size = sizeof(struct iwl_mvm_vif);
fe0f2de3 302 hw->chanctx_data_size = sizeof(u16);
8ca151b5
JB		 303
304 hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
3c15a0fb
JB		 305 BIT(NL80211_IFTYPE_P2P_CLIENT) |
306 BIT(NL80211_IFTYPE_AP) |
307 BIT(NL80211_IFTYPE_P2P_GO) |
308 BIT(NL80211_IFTYPE_P2P_DEVICE);
8ca151b5 309
5023d966
JB		 310 /* IBSS has bugs in older versions */
311 if (IWL_UCODE_API(mvm->fw->ucode_ver) >= 8)
312 hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC);
313
a2f73b6c
LR		 314 hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
315 hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG |
316 REGULATORY_DISABLE_BEACON_HINTS;
8ca151b5 317
3e56eadf
JB		 318 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_GO_UAPSD)
319 hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD;
320
8ca151b5
JB		 321 hw->wiphy->iface_combinations = iwl_mvm_iface_combinations;
322 hw->wiphy->n_iface_combinations =
323 ARRAY_SIZE(iwl_mvm_iface_combinations);
324
c451e6d4 325 hw->wiphy->max_remain_on_channel_duration = 10000;
8ca151b5
JB		 326 hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL;
327
328 /* Extract MAC address */
329 memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN);
330 hw->wiphy->addresses = mvm->addresses;
331 hw->wiphy->n_addresses = 1;
831e85f3
IP		 332
333 /* Extract additional MAC addresses if available */
334 num_mac = (mvm->nvm_data->n_hw_addrs > 1) ?
335 min(IWL_MVM_MAX_ADDRESSES, mvm->nvm_data->n_hw_addrs) : 1;
336
337 for (i = 1; i < num_mac; i++) {
338 memcpy(mvm->addresses[i].addr, mvm->addresses[i-1].addr,
8ca151b5 339 ETH_ALEN);
831e85f3 340 mvm->addresses[i].addr[5]++;
8ca151b5
JB		 341 hw->wiphy->n_addresses++;
342 }
343
fe0f2de3
IP		 344 iwl_mvm_reset_phy_ctxts(mvm);
345
20f1a5de
DS		 346 hw->wiphy->max_scan_ie_len = iwl_mvm_max_scan_ie_len(mvm);
347
8ca151b5
JB		 348 hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX;
349
350 if (mvm->nvm_data->bands[IEEE80211_BAND_2GHZ].n_channels)
351 hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
352 &mvm->nvm_data->bands[IEEE80211_BAND_2GHZ];
353 if (mvm->nvm_data->bands[IEEE80211_BAND_5GHZ].n_channels)
354 hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
355 &mvm->nvm_data->bands[IEEE80211_BAND_5GHZ];
356
357 hw->wiphy->hw_version = mvm->trans->hw_id;
358
ade50652 359 if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM)
8ca151b5
JB		 360 hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT;
361 else
362 hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
363
35a000b7
DS		 364 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_SCHED_SCAN) {
365 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
366 hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX;
367 hw->wiphy->max_match_sets = IWL_SCAN_MAX_PROFILES;
368 /* we create the 802.11 header and zero length SSID IE. */
369 hw->wiphy->max_sched_scan_ie_len =
370 SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2;
371 }
372
8ca151b5 373 hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN |
61f6325d
HD		 374 NL80211_FEATURE_P2P_GO_OPPPS |
375 NL80211_FEATURE_LOW_PRIORITY_SCAN;
8ca151b5
JB		 376
377 mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
378
e36e5433 379 /* currently FW API supports only one optional cipher scheme */
9ddca860 380 if (mvm->fw->cs[0].cipher) {
e36e5433 381 mvm->hw->n_cipher_schemes = 1;
9ddca860 382 mvm->hw->cipher_schemes = &mvm->fw->cs[0];
e36e5433
MS		 383 }
384
8ca151b5
JB		 385#ifdef CONFIG_PM_SLEEP
386 if (mvm->fw->img[IWL_UCODE_WOWLAN].sec[0].len &&
387 mvm->trans->ops->d3_suspend &&
388 mvm->trans->ops->d3_resume &&
389 device_can_wakeup(mvm->trans->dev)) {
964dc9e2
JB		 390 mvm->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT |
391 WIPHY_WOWLAN_DISCONNECT |
392 WIPHY_WOWLAN_EAP_IDENTITY_REQ |
393 WIPHY_WOWLAN_RFKILL_RELEASE;
8ca151b5 394 if (!iwlwifi_mod_params.sw_crypto)
964dc9e2
JB		 395 mvm->wowlan.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
396 WIPHY_WOWLAN_GTK_REKEY_FAILURE |
397 WIPHY_WOWLAN_4WAY_HANDSHAKE;
398
399 mvm->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS;
400 mvm->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN;
401 mvm->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN;
402 mvm->wowlan.tcp = &iwl_mvm_wowlan_tcp_support;
403 hw->wiphy->wowlan = &mvm->wowlan;
8ca151b5
JB		 404 }
405#endif
406
77736923
EP		 407#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
408 /* assign default bcast filtering configuration */
409 mvm->bcast_filters = iwl_mvm_default_bcast_filters;
410#endif
411
8ca151b5
JB		 412 ret = iwl_mvm_leds_init(mvm);
413 if (ret)
414 return ret;
415
b7327d89
EG		 416 ret = ieee80211_register_hw(mvm->hw);
417 if (ret)
418 iwl_mvm_leds_exit(mvm);
419
420 return ret;
8ca151b5
JB		 421}
422
423static void iwl_mvm_mac_tx(struct ieee80211_hw *hw,
424 struct ieee80211_tx_control *control,
425 struct sk_buff *skb)
426{
427 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3e56eadf
JB		 428 struct ieee80211_sta *sta = control->sta;
429 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
430 struct ieee80211_hdr *hdr = (void *)skb->data;
8ca151b5 431
9ee718aa
EL		 432 if (iwl_mvm_is_radio_killed(mvm)) {
433 IWL_DEBUG_DROP(mvm, "Dropping - RF/CT KILL\n");
8ca151b5
JB		 434 goto drop;
435 }
436
398e8c6c 437 if (IEEE80211_SKB_CB(skb)->hw_queue == IWL_MVM_OFFCHANNEL_QUEUE &&
8ca151b5
JB		 438 !test_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status))
439 goto drop;
440
3e56eadf
JB		 441 /* treat non-bufferable MMPDUs as broadcast if sta is sleeping */
442 if (unlikely(info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER &&
443 ieee80211_is_mgmt(hdr->frame_control) &&
444 !ieee80211_is_deauth(hdr->frame_control) &&
445 !ieee80211_is_disassoc(hdr->frame_control) &&
446 !ieee80211_is_action(hdr->frame_control)))
447 sta = NULL;
448
449 if (sta) {
450 if (iwl_mvm_tx_skb(mvm, skb, sta))
8ca151b5
JB		 451 goto drop;
452 return;
453 }
454
455 if (iwl_mvm_tx_skb_non_sta(mvm, skb))
456 goto drop;
457 return;
458 drop:
459 ieee80211_free_txskb(hw, skb);
460}
461
462static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw,
463 struct ieee80211_vif *vif,
464 enum ieee80211_ampdu_mlme_action action,
465 struct ieee80211_sta *sta, u16 tid,
466 u16 *ssn, u8 buf_size)
467{
468 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
469 int ret;
470
471 IWL_DEBUG_HT(mvm, "A-MPDU action on addr %pM tid %d: action %d\n",
472 sta->addr, tid, action);
473
474 if (!(mvm->nvm_data->sku_cap_11n_enable))
475 return -EACCES;
476
477 mutex_lock(&mvm->mutex);
478
479 switch (action) {
480 case IEEE80211_AMPDU_RX_START:
481 if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_RXAGG) {
482 ret = -EINVAL;
483 break;
484 }
485 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true);
486 break;
487 case IEEE80211_AMPDU_RX_STOP:
488 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false);
489 break;
490 case IEEE80211_AMPDU_TX_START:
5d158efa
EG		 491 if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_TXAGG) {
492 ret = -EINVAL;
493 break;
494 }
8ca151b5
JB		 495 ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn);
496 break;
497 case IEEE80211_AMPDU_TX_STOP_CONT:
e3d9e7ce
EG		 498 ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid);
499 break;
8ca151b5
JB		 500 case IEEE80211_AMPDU_TX_STOP_FLUSH:
501 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
e3d9e7ce 502 ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid);
8ca151b5
JB		 503 break;
504 case IEEE80211_AMPDU_TX_OPERATIONAL:
505 ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid, buf_size);
506 break;
507 default:
508 WARN_ON_ONCE(1);
509 ret = -EINVAL;
510 break;
511 }
512 mutex_unlock(&mvm->mutex);
513
514 return ret;
515}
516
517static void iwl_mvm_cleanup_iterator(void *data, u8 *mac,
518 struct ieee80211_vif *vif)
519{
520 struct iwl_mvm *mvm = data;
521 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
522
523 mvmvif->uploaded = false;
524 mvmvif->ap_sta_id = IWL_MVM_STATION_COUNT;
525
526 /* does this make sense at all? */
527 mvmvif->color++;
528
529 spin_lock_bh(&mvm->time_event_lock);
530 iwl_mvm_te_clear_data(mvm, &mvmvif->time_event_data);
531 spin_unlock_bh(&mvm->time_event_lock);
532
fe0f2de3 533 mvmvif->phy_ctxt = NULL;
8ca151b5
JB		 534}
535
536static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm)
537{
538 iwl_trans_stop_device(mvm->trans);
8ca151b5
JB		 539
540 mvm->scan_status = IWL_MVM_SCAN_NONE;
541
542 /* just in case one was running */
543 ieee80211_remain_on_channel_expired(mvm->hw);
544
545 ieee80211_iterate_active_interfaces_atomic(
546 mvm->hw, IEEE80211_IFACE_ITER_RESUME_ALL,
547 iwl_mvm_cleanup_iterator, mvm);
548
fe0f2de3
IP		 549 mvm->p2p_device_vif = NULL;
550
551 iwl_mvm_reset_phy_ctxts(mvm);
8ca151b5
JB		 552 memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table));
553 memset(mvm->sta_drained, 0, sizeof(mvm->sta_drained));
554
555 ieee80211_wake_queues(mvm->hw);
556
7498cf4c
EP		 557 /* cleanup all stale references (scan, roc), but keep the
558 * ucode_down ref until reconfig is complete */
559 iwl_mvm_unref_all_except(mvm, IWL_MVM_REF_UCODE_DOWN);
560
8ca151b5 561 mvm->vif_count = 0;
113a0447 562 mvm->rx_ba_sessions = 0;
8ca151b5
JB		 563}
564
565static int iwl_mvm_mac_start(struct ieee80211_hw *hw)
566{
567 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
568 int ret;
569
570 mutex_lock(&mvm->mutex);
571
572 /* Clean up some internal and mac80211 state on restart */
573 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
574 iwl_mvm_restart_cleanup(mvm);
575
576 ret = iwl_mvm_up(mvm);
577 mutex_unlock(&mvm->mutex);
578
579 return ret;
580}
581
582static void iwl_mvm_mac_restart_complete(struct ieee80211_hw *hw)
583{
584 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
585 int ret;
586
587 mutex_lock(&mvm->mutex);
588
589 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
590 ret = iwl_mvm_update_quotas(mvm, NULL);
591 if (ret)
592 IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n",
593 ret);
594
7498cf4c
EP		 595 /* allow transport/FW low power modes */
596 iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN);
597
8ca151b5
JB		 598 mutex_unlock(&mvm->mutex);
599}
600
601static void iwl_mvm_mac_stop(struct ieee80211_hw *hw)
602{
603 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
604
605 flush_work(&mvm->async_handlers_wk);
606
607 mutex_lock(&mvm->mutex);
7498cf4c
EP		 608
609 /* disallow low power states when the FW is down */
610 iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN);
611
8ca151b5
JB		 612 /* async_handlers_wk is now blocked */
613
614 /*
615 * The work item could be running or queued if the
616 * ROC time event stops just as we get here.
617 */
618 cancel_work_sync(&mvm->roc_done_wk);
619
620 iwl_trans_stop_device(mvm->trans);
8ca151b5
JB		 621
622 iwl_mvm_async_handlers_purge(mvm);
623 /* async_handlers_list is empty and will stay empty: HW is stopped */
624
625 /* the fw is stopped, the aux sta is dead: clean up driver state */
626 iwl_mvm_dealloc_int_sta(mvm, &mvm->aux_sta);
627
628 mutex_unlock(&mvm->mutex);
629
630 /*
631 * The worker might have been waiting for the mutex, let it run and
632 * discover that its list is now empty.
633 */
634 cancel_work_sync(&mvm->async_handlers_wk);
635}
636
8ca151b5
JB		 637static void iwl_mvm_power_update_iterator(void *data, u8 *mac,
638 struct ieee80211_vif *vif)
639{
640 struct iwl_mvm *mvm = data;
641
642 iwl_mvm_power_update_mode(mvm, vif);
643}
644
fe0f2de3
IP		 645static struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm)
646{
647 u16 i;
648
649 lockdep_assert_held(&mvm->mutex);
650
651 for (i = 0; i < NUM_PHY_CTX; i++)
652 if (!mvm->phy_ctxts[i].ref)
653 return &mvm->phy_ctxts[i];
654
655 IWL_ERR(mvm, "No available PHY context\n");
656 return NULL;
657}
658
ee9c6cb0
EG		 659static int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
660 s8 tx_power)
661{
662 /* FW is in charge of regulatory enforcement */
663 struct iwl_reduce_tx_power_cmd reduce_txpwr_cmd = {
664 .mac_context_id = iwl_mvm_vif_from_mac80211(vif)->id,
665 .pwr_restriction = cpu_to_le16(tx_power),
666 };
667
668 return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, CMD_SYNC,
669 sizeof(reduce_txpwr_cmd),
670 &reduce_txpwr_cmd);
671}
672
8ca151b5
JB		 673static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw,
674 struct ieee80211_vif *vif)
675{
676 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
677 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
678 int ret;
679
680 /*
681 * Not much to do here. The stack will not allow interface
682 * types or combinations that we didn't advertise, so we
683 * don't really have to check the types.
684 */
685
686 mutex_lock(&mvm->mutex);
687
e89044d7 688 /* Allocate resources for the MAC context, and add it to the fw */
8ca151b5
JB		 689 ret = iwl_mvm_mac_ctxt_init(mvm, vif);
690 if (ret)
691 goto out_unlock;
692
1c2abf72 693 /* Counting number of interfaces is needed for legacy PM */
ea183d02
IP		 694 if (vif->type != NL80211_IFTYPE_P2P_DEVICE)
695 mvm->vif_count++;
ea183d02 696
8ca151b5
JB		 697 /*
698 * The AP binding flow can be done only after the beacon
699 * template is configured (which happens only in the mac80211
700 * start_ap() flow), and adding the broadcast station can happen
701 * only after the binding.
702 * In addition, since modifying the MAC before adding a bcast
703 * station is not allowed by the FW, delay the adding of MAC context to
704 * the point where we can also add the bcast station.
705 * In short: there's not much we can do at this point, other than
706 * allocating resources :)
707 */
5023d966
JB		 708 if (vif->type == NL80211_IFTYPE_AP ||
709 vif->type == NL80211_IFTYPE_ADHOC) {
8ca151b5
JB		 710 u32 qmask = iwl_mvm_mac_get_queues_mask(mvm, vif);
711 ret = iwl_mvm_allocate_int_sta(mvm, &mvmvif->bcast_sta,
712 qmask);
713 if (ret) {
714 IWL_ERR(mvm, "Failed to allocate bcast sta\n");
715 goto out_release;
716 }
717
77740cb4 718 iwl_mvm_vif_dbgfs_register(mvm, vif);
8ca151b5
JB		 719 goto out_unlock;
720 }
721
8ca151b5
JB		 722 ret = iwl_mvm_mac_ctxt_add(mvm, vif);
723 if (ret)
724 goto out_release;
725
1c2abf72 726 iwl_mvm_power_disable(mvm, vif);
8ca151b5 727
7df15b1e 728 /* beacon filtering */
3dd37d05 729 ret = iwl_mvm_disable_beacon_filter(mvm, vif, CMD_SYNC);
bd3351ba
EP		 730 if (ret)
731 goto out_remove_mac;
732
7df15b1e 733 if (!mvm->bf_allowed_vif &&
5dca7c24
HG		 734 vif->type == NL80211_IFTYPE_STATION && !vif->p2p &&
735 mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BF_UPDATED){
7df15b1e 736 mvm->bf_allowed_vif = mvmvif;
a20fd398
AO		 737 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER |
738 IEEE80211_VIF_SUPPORTS_CQM_RSSI;
7df15b1e
HG		 739 }
740
8ca151b5
JB		 741 /*
742 * P2P_DEVICE interface does not have a channel context assigned to it,
743 * so a dedicated PHY context is allocated to it and the corresponding
744 * MAC context is bound to it at this stage.
745 */
746 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
8ca151b5 747
fe0f2de3
IP		 748 mvmvif->phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
749 if (!mvmvif->phy_ctxt) {
750 ret = -ENOSPC;
bd3351ba 751 goto out_free_bf;
fe0f2de3 752 }
8ca151b5 753
53a9d61e 754 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
8ca151b5
JB		 755 ret = iwl_mvm_binding_add_vif(mvm, vif);
756 if (ret)
53a9d61e 757 goto out_unref_phy;
8ca151b5
JB		 758
759 ret = iwl_mvm_add_bcast_sta(mvm, vif, &mvmvif->bcast_sta);
760 if (ret)
761 goto out_unbind;
762
763 /* Save a pointer to p2p device vif, so it can later be used to
764 * update the p2p device MAC when a GO is started/stopped */
765 mvm->p2p_device_vif = vif;
766 }
767
63494374 768 iwl_mvm_vif_dbgfs_register(mvm, vif);
8ca151b5
JB		 769 goto out_unlock;
770
771 out_unbind:
772 iwl_mvm_binding_remove_vif(mvm, vif);
53a9d61e 773 out_unref_phy:
fe0f2de3 774 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
bd3351ba
EP		 775 out_free_bf:
776 if (mvm->bf_allowed_vif == mvmvif) {
777 mvm->bf_allowed_vif = NULL;
a20fd398
AO		 778 vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER |
779 IEEE80211_VIF_SUPPORTS_CQM_RSSI);
bd3351ba 780 }
8ca151b5
JB		 781 out_remove_mac:
782 mvmvif->phy_ctxt = NULL;
783 iwl_mvm_mac_ctxt_remove(mvm, vif);
784 out_release:
5ee2b215
AB		 785 if (vif->type != NL80211_IFTYPE_P2P_DEVICE)
786 mvm->vif_count--;
1c2abf72
AB		 787
788 /* TODO: remove this when legacy PM will be discarded */
4bf881f5
AB		 789 ieee80211_iterate_active_interfaces(
790 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
791 iwl_mvm_power_update_iterator, mvm);
1c2abf72 792
8ca151b5
JB		 793 iwl_mvm_mac_ctxt_release(mvm, vif);
794 out_unlock:
795 mutex_unlock(&mvm->mutex);
796
797 return ret;
798}
799
38a12b5b
JB		 800static void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm,
801 struct ieee80211_vif *vif)
8ca151b5 802{
8ca151b5
JB		 803 u32 tfd_msk = 0, ac;
804
805 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
806 if (vif->hw_queue[ac] != IEEE80211_INVAL_HW_QUEUE)
807 tfd_msk |= BIT(vif->hw_queue[ac]);
808
809 if (vif->cab_queue != IEEE80211_INVAL_HW_QUEUE)
810 tfd_msk |= BIT(vif->cab_queue);
811
812 if (tfd_msk) {
813 mutex_lock(&mvm->mutex);
814 iwl_mvm_flush_tx_path(mvm, tfd_msk, true);
815 mutex_unlock(&mvm->mutex);
816 }
817
818 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
819 /*
820 * Flush the ROC worker which will flush the OFFCHANNEL queue.
821 * We assume here that all the packets sent to the OFFCHANNEL
822 * queue are sent in ROC session.
823 */
824 flush_work(&mvm->roc_done_wk);
825 } else {
826 /*
827 * By now, all the AC queues are empty. The AGG queues are
828 * empty too. We already got all the Tx responses for all the
829 * packets in the queues. The drain work can have been
0742a75a 830 * triggered. Flush it.
8ca151b5
JB		 831 */
832 flush_work(&mvm->sta_drained_wk);
833 }
38a12b5b
JB		 834}
835
836static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw,
837 struct ieee80211_vif *vif)
838{
839 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
840 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
841
842 iwl_mvm_prepare_mac_removal(mvm, vif);
8ca151b5
JB		 843
844 mutex_lock(&mvm->mutex);
845
7df15b1e
HG		 846 if (mvm->bf_allowed_vif == mvmvif) {
847 mvm->bf_allowed_vif = NULL;
a20fd398
AO		 848 vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER |
849 IEEE80211_VIF_SUPPORTS_CQM_RSSI);
7df15b1e
HG		 850 }
851
63494374
JB		 852 iwl_mvm_vif_dbgfs_clean(mvm, vif);
853
8ca151b5
JB		 854 /*
855 * For AP/GO interface, the tear down of the resources allocated to the
38a12b5b 856 * interface is be handled as part of the stop_ap flow.
8ca151b5 857 */
5023d966
JB		 858 if (vif->type == NL80211_IFTYPE_AP ||
859 vif->type == NL80211_IFTYPE_ADHOC) {
507cadf2
DS		 860#ifdef CONFIG_NL80211_TESTMODE
861 if (vif == mvm->noa_vif) {
862 mvm->noa_vif = NULL;
863 mvm->noa_duration = 0;
864 }
865#endif
8ca151b5
JB		 866 iwl_mvm_dealloc_int_sta(mvm, &mvmvif->bcast_sta);
867 goto out_release;
868 }
869
870 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
871 mvm->p2p_device_vif = NULL;
872 iwl_mvm_rm_bcast_sta(mvm, &mvmvif->bcast_sta);
873 iwl_mvm_binding_remove_vif(mvm, vif);
fe0f2de3 874 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
8ca151b5
JB		 875 mvmvif->phy_ctxt = NULL;
876 }
877
5ee2b215 878 if (mvm->vif_count && vif->type != NL80211_IFTYPE_P2P_DEVICE)
8ca151b5 879 mvm->vif_count--;
1c2abf72
AB		 880
881 /* TODO: remove this when legacy PM will be discarded */
882 ieee80211_iterate_active_interfaces(
883 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
884 iwl_mvm_power_update_iterator, mvm);
8ca151b5
JB		 885
886 iwl_mvm_mac_ctxt_remove(mvm, vif);
887
888out_release:
889 iwl_mvm_mac_ctxt_release(mvm, vif);
890 mutex_unlock(&mvm->mutex);
891}
892
893static int iwl_mvm_mac_config(struct ieee80211_hw *hw, u32 changed)
88f2fd73 894{
8ca151b5
JB		 895 return 0;
896}
897
e59647ea
EP		 898struct iwl_mvm_mc_iter_data {
899 struct iwl_mvm *mvm;
900 int port_id;
901};
902
903static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac,
904 struct ieee80211_vif *vif)
905{
906 struct iwl_mvm_mc_iter_data *data = _data;
907 struct iwl_mvm *mvm = data->mvm;
908 struct iwl_mcast_filter_cmd *cmd = mvm->mcast_filter_cmd;
909 int ret, len;
910
911 /* if we don't have free ports, mcast frames will be dropped */
912 if (WARN_ON_ONCE(data->port_id >= MAX_PORT_ID_NUM))
913 return;
914
915 if (vif->type != NL80211_IFTYPE_STATION ||
916 !vif->bss_conf.assoc)
917 return;
918
919 cmd->port_id = data->port_id++;
920 memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN);
921 len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4);
922
923 ret = iwl_mvm_send_cmd_pdu(mvm, MCAST_FILTER_CMD, CMD_SYNC, len, cmd);
924 if (ret)
925 IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret);
926}
927
928static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm)
929{
930 struct iwl_mvm_mc_iter_data iter_data = {
931 .mvm = mvm,
88f2fd73
MG		 932 };
933
e59647ea
EP		 934 lockdep_assert_held(&mvm->mutex);
935
936 if (WARN_ON_ONCE(!mvm->mcast_filter_cmd))
937 return;
938
939 ieee80211_iterate_active_interfaces(
940 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
941 iwl_mvm_mc_iface_iterator, &iter_data);
88f2fd73
MG		 942}
943
e59647ea
EP		 944static u64 iwl_mvm_prepare_multicast(struct ieee80211_hw *hw,
945 struct netdev_hw_addr_list *mc_list)
8ca151b5 946{
e59647ea
EP		 947 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
948 struct iwl_mcast_filter_cmd *cmd;
949 struct netdev_hw_addr *addr;
950 int addr_count = netdev_hw_addr_list_count(mc_list);
951 bool pass_all = false;
952 int len;
953
954 if (addr_count > MAX_MCAST_FILTERING_ADDRESSES) {
955 pass_all = true;
956 addr_count = 0;
957 }
958
959 len = roundup(sizeof(*cmd) + addr_count * ETH_ALEN, 4);
960 cmd = kzalloc(len, GFP_ATOMIC);
961 if (!cmd)
962 return 0;
963
964 if (pass_all) {
965 cmd->pass_all = 1;
966 return (u64)(unsigned long)cmd;
967 }
968
969 netdev_hw_addr_list_for_each(addr, mc_list) {
970 IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %pM\n",
971 cmd->count, addr->addr);
972 memcpy(&cmd->addr_list[cmd->count * ETH_ALEN],
973 addr->addr, ETH_ALEN);
974 cmd->count++;
975 }
976
977 return (u64)(unsigned long)cmd;
8ca151b5
JB		 978}
979
980static void iwl_mvm_configure_filter(struct ieee80211_hw *hw,
981 unsigned int changed_flags,
982 unsigned int *total_flags,
983 u64 multicast)
984{
e59647ea
EP		 985 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
986 struct iwl_mcast_filter_cmd *cmd = (void *)(unsigned long)multicast;
8ca151b5 987
e59647ea 988 mutex_lock(&mvm->mutex);
51b6b9e0 989
e59647ea
EP		 990 /* replace previous configuration */
991 kfree(mvm->mcast_filter_cmd);
992 mvm->mcast_filter_cmd = cmd;
51b6b9e0 993
e59647ea
EP		 994 if (!cmd)
995 goto out;
51b6b9e0 996
e59647ea
EP		 997 iwl_mvm_recalc_multicast(mvm);
998out:
999 mutex_unlock(&mvm->mutex);
1000 *total_flags = 0;
51b6b9e0
EG		 1001}
1002
c87163b9
EP		 1003#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1004struct iwl_bcast_iter_data {
1005 struct iwl_mvm *mvm;
1006 struct iwl_bcast_filter_cmd *cmd;
1007 u8 current_filter;
1008};
1009
1010static void
1011iwl_mvm_set_bcast_filter(struct ieee80211_vif *vif,
1012 const struct iwl_fw_bcast_filter *in_filter,
1013 struct iwl_fw_bcast_filter *out_filter)
1014{
1015 struct iwl_fw_bcast_filter_attr *attr;
1016 int i;
1017
1018 memcpy(out_filter, in_filter, sizeof(*out_filter));
1019
1020 for (i = 0; i < ARRAY_SIZE(out_filter->attrs); i++) {
1021 attr = &out_filter->attrs[i];
1022
1023 if (!attr->mask)
1024 break;
1025
2ee8f021
EP		 1026 switch (attr->reserved1) {
1027 case cpu_to_le16(BC_FILTER_MAGIC_IP):
1028 if (vif->bss_conf.arp_addr_cnt != 1) {
1029 attr->mask = 0;
1030 continue;
1031 }
1032
1033 attr->val = vif->bss_conf.arp_addr_list[0];
1034 break;
1035 case cpu_to_le16(BC_FILTER_MAGIC_MAC):
1036 attr->val = *(__be32 *)&vif->addr[2];
1037 break;
1038 default:
1039 break;
1040 }
1041 attr->reserved1 = 0;
c87163b9
EP		 1042 out_filter->num_attrs++;
1043 }
1044}
1045
1046static void iwl_mvm_bcast_filter_iterator(void *_data, u8 *mac,
1047 struct ieee80211_vif *vif)
1048{
1049 struct iwl_bcast_iter_data *data = _data;
1050 struct iwl_mvm *mvm = data->mvm;
1051 struct iwl_bcast_filter_cmd *cmd = data->cmd;
1052 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1053 struct iwl_fw_bcast_mac *bcast_mac;
1054 int i;
1055
1056 if (WARN_ON(mvmvif->id >= ARRAY_SIZE(cmd->macs)))
1057 return;
1058
1059 bcast_mac = &cmd->macs[mvmvif->id];
1060
1061 /* enable filtering only for associated stations */
1062 if (vif->type != NL80211_IFTYPE_STATION || !vif->bss_conf.assoc)
1063 return;
1064
1065 bcast_mac->default_discard = 1;
1066
1067 /* copy all configured filters */
1068 for (i = 0; mvm->bcast_filters[i].attrs[0].mask; i++) {
1069 /*
1070 * Make sure we don't exceed our filters limit.
1071 * if there is still a valid filter to be configured,
1072 * be on the safe side and just allow bcast for this mac.
1073 */
1074 if (WARN_ON_ONCE(data->current_filter >=
1075 ARRAY_SIZE(cmd->filters))) {
1076 bcast_mac->default_discard = 0;
1077 bcast_mac->attached_filters = 0;
1078 break;
1079 }
1080
1081 iwl_mvm_set_bcast_filter(vif,
1082 &mvm->bcast_filters[i],
1083 &cmd->filters[data->current_filter]);
1084
1085 /* skip current filter if it contains no attributes */
1086 if (!cmd->filters[data->current_filter].num_attrs)
1087 continue;
1088
1089 /* attach the filter to current mac */
1090 bcast_mac->attached_filters |=
1091 cpu_to_le16(BIT(data->current_filter));
1092
1093 data->current_filter++;
1094 }
1095}
1096
de06a59e
EP		 1097bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
1098 struct iwl_bcast_filter_cmd *cmd)
c87163b9 1099{
c87163b9
EP		 1100 struct iwl_bcast_iter_data iter_data = {
1101 .mvm = mvm,
de06a59e 1102 .cmd = cmd,
c87163b9
EP		 1103 };
1104
de06a59e
EP		 1105 memset(cmd, 0, sizeof(*cmd));
1106 cmd->max_bcast_filters = ARRAY_SIZE(cmd->filters);
1107 cmd->max_macs = ARRAY_SIZE(cmd->macs);
1108
1109#ifdef CONFIG_IWLWIFI_DEBUGFS
1110 /* use debugfs filters/macs if override is configured */
1111 if (mvm->dbgfs_bcast_filtering.override) {
1112 memcpy(cmd->filters, &mvm->dbgfs_bcast_filtering.cmd.filters,
1113 sizeof(cmd->filters));
1114 memcpy(cmd->macs, &mvm->dbgfs_bcast_filtering.cmd.macs,
1115 sizeof(cmd->macs));
1116 return true;
1117 }
1118#endif
c87163b9
EP		 1119
1120 /* if no filters are configured, do nothing */
1121 if (!mvm->bcast_filters)
de06a59e 1122 return false;
c87163b9
EP		 1123
1124 /* configure and attach these filters for each associated sta vif */
1125 ieee80211_iterate_active_interfaces(
1126 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
1127 iwl_mvm_bcast_filter_iterator, &iter_data);
1128
de06a59e
EP		 1129 return true;
1130}
1131static int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm,
1132 struct ieee80211_vif *vif)
1133{
1134 struct iwl_bcast_filter_cmd cmd;
1135
1136 if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING))
1137 return 0;
1138
1139 if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd))
1140 return 0;
1141
c87163b9
EP		 1142 return iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, CMD_SYNC,
1143 sizeof(cmd), &cmd);
1144}
1145#else
1146static inline int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm,
1147 struct ieee80211_vif *vif)
1148{
1149 return 0;
1150}
1151#endif
1152
8ca151b5
JB		 1153static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm,
1154 struct ieee80211_vif *vif,
1155 struct ieee80211_bss_conf *bss_conf,
1156 u32 changes)
1157{
1158 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1159 int ret;
1160
6e97b0d2
IP		 1161 /*
1162 * Re-calculate the tsf id, as the master-slave relations depend on the
1163 * beacon interval, which was not known when the station interface was
1164 * added.
1165 */
1166 if (changes & BSS_CHANGED_ASSOC && bss_conf->assoc)
1167 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif);
1168
8ca151b5
JB		 1169 ret = iwl_mvm_mac_ctxt_changed(mvm, vif);
1170 if (ret)
1171 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr);
1172
1173 if (changes & BSS_CHANGED_ASSOC) {
1174 if (bss_conf->assoc) {
1175 /* add quota for this interface */
1176 ret = iwl_mvm_update_quotas(mvm, vif);
1177 if (ret) {
1178 IWL_ERR(mvm, "failed to update quotas\n");
1179 return;
1180 }
016d27e1
JB		 1181
1182 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART,
1183 &mvm->status)) {
1184 /*
1185 * If we're restarting then the firmware will
1186 * obviously have lost synchronisation with
1187 * the AP. It will attempt to synchronise by
1188 * itself, but we can make it more reliable by
1189 * scheduling a session protection time event.
1190 *
1191 * The firmware needs to receive a beacon to
1192 * catch up with synchronisation, use 110% of
1193 * the beacon interval.
1194 *
1195 * Set a large maximum delay to allow for more
1196 * than a single interface.
1197 */
1198 u32 dur = (11 * vif->bss_conf.beacon_int) / 10;
1199 iwl_mvm_protect_session(mvm, vif, dur, dur,
1200 5 * dur);
1201 }
1f3b0ff8
LE		 1202
1203 iwl_mvm_sf_update(mvm, vif, false);
175a70b7 1204 iwl_mvm_power_vif_assoc(mvm, vif);
8ca151b5 1205 } else if (mvmvif->ap_sta_id != IWL_MVM_STATION_COUNT) {
1f3b0ff8
LE		 1206 /*
1207 * If update fails - SF might be running in associated
1208 * mode while disassociated - which is forbidden.
1209 */
1210 WARN_ONCE(iwl_mvm_sf_update(mvm, vif, false),
1211 "Failed to update SF upon disassociation\n");
1212
8ca151b5
JB		 1213 /* remove AP station now that the MAC is unassoc */
1214 ret = iwl_mvm_rm_sta_id(mvm, vif, mvmvif->ap_sta_id);
1215 if (ret)
1216 IWL_ERR(mvm, "failed to remove AP station\n");
1217 mvmvif->ap_sta_id = IWL_MVM_STATION_COUNT;
1218 /* remove quota for this interface */
1219 ret = iwl_mvm_update_quotas(mvm, NULL);
1220 if (ret)
1221 IWL_ERR(mvm, "failed to update quotas\n");
1222 }
a20fd398 1223
e59647ea 1224 iwl_mvm_recalc_multicast(mvm);
c87163b9 1225 iwl_mvm_configure_bcast_filter(mvm, vif);
e59647ea 1226
a20fd398
AO		 1227 /* reset rssi values */
1228 mvmvif->bf_data.ave_beacon_signal = 0;
1229
e8e626ad
AB		 1230 if (!(mvm->fw->ucode_capa.flags &
1231 IWL_UCODE_TLV_FLAGS_PM_CMD_SUPPORT)) {
e811ada7
AB		 1232 /* Workaround for FW bug, otherwise FW disables device
1233 * power save upon disassociation
1234 */
1235 ret = iwl_mvm_power_update_mode(mvm, vif);
1236 if (ret)
1237 IWL_ERR(mvm, "failed to update power mode\n");
1238 }
8e484f0b 1239 iwl_mvm_bt_coex_vif_change(mvm);
f94045ed
EG		 1240 iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_TT,
1241 IEEE80211_SMPS_AUTOMATIC);
989c6505 1242 } else if (changes & BSS_CHANGED_BEACON_INFO) {
210a544e
JB		 1243 /*
1244 * We received a beacon _after_ association so
1245 * remove the session protection.
1246 */
1247 iwl_mvm_remove_time_event(mvm, mvmvif,
1248 &mvmvif->time_event_data);
51498cf6
AB		 1249 } else if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS |
1250 BSS_CHANGED_QOS)) {
4bf881f5
AB		 1251 ret = iwl_mvm_power_update_mode(mvm, vif);
1252 if (ret)
1253 IWL_ERR(mvm, "failed to update power mode\n");
8ca151b5 1254 }
88f2fd73
MG		 1255 if (changes & BSS_CHANGED_TXPOWER) {
1256 IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n",
1257 bss_conf->txpower);
1258 iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower);
1259 }
a20fd398
AO		 1260
1261 if (changes & BSS_CHANGED_CQM) {
1262 IWL_DEBUG_MAC80211(mvm, "cqm info_changed");
1263 /* reset cqm events tracking */
1264 mvmvif->bf_data.last_cqm_event = 0;
3dd37d05 1265 ret = iwl_mvm_update_beacon_filter(mvm, vif, false, CMD_SYNC);
a20fd398
AO		 1266 if (ret)
1267 IWL_ERR(mvm, "failed to update CQM thresholds\n");
1268 }
2ee8f021
EP		 1269
1270 if (changes & BSS_CHANGED_ARP_FILTER) {
1271 IWL_DEBUG_MAC80211(mvm, "arp filter changed");
1272 iwl_mvm_configure_bcast_filter(mvm, vif);
1273 }
8ca151b5
JB		 1274}
1275
5023d966
JB		 1276static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw,
1277 struct ieee80211_vif *vif)
8ca151b5
JB		 1278{
1279 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1280 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1281 int ret;
1282
1283 mutex_lock(&mvm->mutex);
1284
1285 /* Send the beacon template */
1286 ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif);
1287 if (ret)
1288 goto out_unlock;
1289
6e97b0d2
IP		 1290 /*
1291 * Re-calculate the tsf id, as the master-slave relations depend on the
1292 * beacon interval, which was not known when the AP interface was added.
1293 */
1294 if (vif->type == NL80211_IFTYPE_AP)
1295 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif);
1296
8ca151b5
JB		 1297 /* Add the mac context */
1298 ret = iwl_mvm_mac_ctxt_add(mvm, vif);
1299 if (ret)
1300 goto out_unlock;
1301
1302 /* Perform the binding */
1303 ret = iwl_mvm_binding_add_vif(mvm, vif);
1304 if (ret)
1305 goto out_remove;
1306
5023d966 1307 mvmvif->ap_ibss_active = true;
8ca151b5
JB		 1308
1309 /* Send the bcast station. At this stage the TBTT and DTIM time events
1310 * are added and applied to the scheduler */
1311 ret = iwl_mvm_send_bcast_sta(mvm, vif, &mvmvif->bcast_sta);
1312 if (ret)
1313 goto out_unbind;
1314
5691e218
IP		 1315 /* must be set before quota calculations */
1316 mvmvif->ap_ibss_active = true;
1317
a11e144e
IP		 1318 /* power updated needs to be done before quotas */
1319 mvm->bound_vif_cnt++;
1320 iwl_mvm_power_update_binding(mvm, vif, true);
1321
8ca151b5
JB		 1322 ret = iwl_mvm_update_quotas(mvm, vif);
1323 if (ret)
a11e144e 1324 goto out_quota_failed;
8ca151b5 1325
5023d966 1326 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
8ca151b5
JB		 1327 if (vif->p2p && mvm->p2p_device_vif)
1328 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif);
1329
8e484f0b 1330 iwl_mvm_bt_coex_vif_change(mvm);
dac94da8 1331
8ca151b5
JB		 1332 mutex_unlock(&mvm->mutex);
1333 return 0;
1334
a11e144e
IP		 1335out_quota_failed:
1336 mvm->bound_vif_cnt--;
1337 iwl_mvm_power_update_binding(mvm, vif, false);
5691e218 1338 mvmvif->ap_ibss_active = false;
8ca151b5
JB		 1339 iwl_mvm_send_rm_bcast_sta(mvm, &mvmvif->bcast_sta);
1340out_unbind:
1341 iwl_mvm_binding_remove_vif(mvm, vif);
1342out_remove:
1343 iwl_mvm_mac_ctxt_remove(mvm, vif);
1344out_unlock:
1345 mutex_unlock(&mvm->mutex);
1346 return ret;
1347}
1348
5023d966
JB		 1349static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw,
1350 struct ieee80211_vif *vif)
8ca151b5
JB		 1351{
1352 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1353 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1354
38a12b5b
JB		 1355 iwl_mvm_prepare_mac_removal(mvm, vif);
1356
8ca151b5
JB		 1357 mutex_lock(&mvm->mutex);
1358
5023d966 1359 mvmvif->ap_ibss_active = false;
8ca151b5 1360
8e484f0b 1361 iwl_mvm_bt_coex_vif_change(mvm);
dac94da8 1362
5023d966 1363 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
8ca151b5
JB		 1364 if (vif->p2p && mvm->p2p_device_vif)
1365 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif);
1366
1367 iwl_mvm_update_quotas(mvm, NULL);
1368 iwl_mvm_send_rm_bcast_sta(mvm, &mvmvif->bcast_sta);
1369 iwl_mvm_binding_remove_vif(mvm, vif);
a11e144e
IP		 1370
1371 mvm->bound_vif_cnt--;
1372 iwl_mvm_power_update_binding(mvm, vif, false);
1373
8ca151b5
JB		 1374 iwl_mvm_mac_ctxt_remove(mvm, vif);
1375
1376 mutex_unlock(&mvm->mutex);
1377}
1378
5023d966
JB		 1379static void
1380iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm,
1381 struct ieee80211_vif *vif,
1382 struct ieee80211_bss_conf *bss_conf,
1383 u32 changes)
8ca151b5 1384{
be2056fc 1385 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
8a5e3660
AA		 1386 enum ieee80211_bss_change ht_change = BSS_CHANGED_ERP_CTS_PROT |
1387 BSS_CHANGED_HT |
1388 BSS_CHANGED_BANDWIDTH;
1389 int ret;
1390
be2056fc
IP		 1391 /* Changes will be applied when the AP/IBSS is started */
1392 if (!mvmvif->ap_ibss_active)
1393 return;
1394
8a5e3660
AA		 1395 if (changes & ht_change) {
1396 ret = iwl_mvm_mac_ctxt_changed(mvm, vif);
1397 if (ret)
1398 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr);
1399 }
1400
8ca151b5
JB		 1401 /* Need to send a new beacon template to the FW */
1402 if (changes & BSS_CHANGED_BEACON) {
1403 if (iwl_mvm_mac_ctxt_beacon_changed(mvm, vif))
1404 IWL_WARN(mvm, "Failed updating beacon data\n");
1405 }
1406}
1407
1408static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw,
1409 struct ieee80211_vif *vif,
1410 struct ieee80211_bss_conf *bss_conf,
1411 u32 changes)
1412{
1413 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1414
1415 mutex_lock(&mvm->mutex);
1416
1417 switch (vif->type) {
1418 case NL80211_IFTYPE_STATION:
1419 iwl_mvm_bss_info_changed_station(mvm, vif, bss_conf, changes);
1420 break;
1421 case NL80211_IFTYPE_AP:
5023d966
JB		 1422 case NL80211_IFTYPE_ADHOC:
1423 iwl_mvm_bss_info_changed_ap_ibss(mvm, vif, bss_conf, changes);
8ca151b5
JB		 1424 break;
1425 default:
1426 /* shouldn't happen */
1427 WARN_ON_ONCE(1);
1428 }
1429
1430 mutex_unlock(&mvm->mutex);
1431}
1432
1433static int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw,
1434 struct ieee80211_vif *vif,
1435 struct cfg80211_scan_request *req)
1436{
1437 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1438 int ret;
1439
1440 if (req->n_channels == 0 || req->n_channels > MAX_NUM_SCAN_CHANNELS)
1441 return -EINVAL;
1442
1443 mutex_lock(&mvm->mutex);
1444
1445 if (mvm->scan_status == IWL_MVM_SCAN_NONE)
1446 ret = iwl_mvm_scan_request(mvm, vif, req);
1447 else
1448 ret = -EBUSY;
1449
1450 mutex_unlock(&mvm->mutex);
1451
1452 return ret;
1453}
1454
1455static void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw,
1456 struct ieee80211_vif *vif)
1457{
1458 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1459
1460 mutex_lock(&mvm->mutex);
1461
1462 iwl_mvm_cancel_scan(mvm);
1463
1464 mutex_unlock(&mvm->mutex);
1465}
1466
1467static void
1468iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw *hw,
3e56eadf 1469 struct ieee80211_sta *sta, u16 tids,
8ca151b5
JB		 1470 int num_frames,
1471 enum ieee80211_frame_release_type reason,
1472 bool more_data)
1473{
1474 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
8ca151b5 1475
3e56eadf 1476 /* Called when we need to transmit (a) frame(s) from mac80211 */
8ca151b5 1477
3e56eadf
JB		 1478 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames,
1479 tids, more_data, false);
1480}
1481
1482static void
1483iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw *hw,
1484 struct ieee80211_sta *sta, u16 tids,
1485 int num_frames,
1486 enum ieee80211_frame_release_type reason,
1487 bool more_data)
1488{
1489 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1490
1491 /* Called when we need to transmit (a) frame(s) from agg queue */
1492
1493 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames,
1494 tids, more_data, true);
8ca151b5
JB		 1495}
1496
1497static void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw,
1498 struct ieee80211_vif *vif,
1499 enum sta_notify_cmd cmd,
1500 struct ieee80211_sta *sta)
1501{
1502 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
5b577a90 1503 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
3e56eadf 1504 int tid;
8ca151b5
JB		 1505
1506 switch (cmd) {
1507 case STA_NOTIFY_SLEEP:
e3d4bc8c 1508 if (atomic_read(&mvm->pending_frames[mvmsta->sta_id]) > 0)
8ca151b5 1509 ieee80211_sta_block_awake(hw, sta, true);
3e56eadf
JB		 1510 spin_lock_bh(&mvmsta->lock);
1511 for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) {
1512 struct iwl_mvm_tid_data *tid_data;
1513
1514 tid_data = &mvmsta->tid_data[tid];
1515 if (tid_data->state != IWL_AGG_ON &&
1516 tid_data->state != IWL_EMPTYING_HW_QUEUE_DELBA)
1517 continue;
1518 if (iwl_mvm_tid_queued(tid_data) == 0)
1519 continue;
1520 ieee80211_sta_set_buffered(sta, tid, true);
1521 }
1522 spin_unlock_bh(&mvmsta->lock);
8ca151b5
JB		 1523 /*
1524 * The fw updates the STA to be asleep. Tx packets on the Tx
1525 * queues to this station will not be transmitted. The fw will
1526 * send a Tx response with TX_STATUS_FAIL_DEST_PS.
1527 */
1528 break;
1529 case STA_NOTIFY_AWAKE:
881acd89 1530 if (WARN_ON(mvmsta->sta_id == IWL_MVM_STATION_COUNT))
8ca151b5 1531 break;
9cc40712 1532 iwl_mvm_sta_modify_ps_wake(mvm, sta);
8ca151b5
JB		 1533 break;
1534 default:
1535 break;
1536 }
1537}
1538
1ddbbb0c
JB		 1539static void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw,
1540 struct ieee80211_vif *vif,
1541 struct ieee80211_sta *sta)
1542{
1543 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1544 struct iwl_mvm_sta *mvm_sta = (void *)sta->drv_priv;
1545
1546 /*
1547 * This is called before mac80211 does RCU synchronisation,
1548 * so here we already invalidate our internal RCU-protected
1549 * station pointer. The rest of the code will thus no longer
1550 * be able to find the station this way, and we don't rely
1551 * on further RCU synchronisation after the sta_state()
1552 * callback deleted the station.
1553 */
1554 mutex_lock(&mvm->mutex);
1555 if (sta == rcu_access_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id]))
1556 rcu_assign_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id],
1557 ERR_PTR(-ENOENT));
1558 mutex_unlock(&mvm->mutex);
1559}
1560
8ca151b5
JB		 1561static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw,
1562 struct ieee80211_vif *vif,
1563 struct ieee80211_sta *sta,
1564 enum ieee80211_sta_state old_state,
1565 enum ieee80211_sta_state new_state)
1566{
1567 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1568 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1569 int ret;
1570
1571 IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n",
1572 sta->addr, old_state, new_state);
1573
1574 /* this would be a mac80211 bug ... but don't crash */
1575 if (WARN_ON_ONCE(!mvmvif->phy_ctxt))
1576 return -EINVAL;
1577
1578 /* if a STA is being removed, reuse its ID */
1579 flush_work(&mvm->sta_drained_wk);
1580
1581 mutex_lock(&mvm->mutex);
1582 if (old_state == IEEE80211_STA_NOTEXIST &&
1583 new_state == IEEE80211_STA_NONE) {
48bc1307
JB		 1584 /*
1585 * Firmware bug - it'll crash if the beacon interval is less
1586 * than 16. We can't avoid connecting at all, so refuse the
1587 * station state change, this will cause mac80211 to abandon
1588 * attempts to connect to this AP, and eventually wpa_s will
1589 * blacklist the AP...
1590 */
1591 if (vif->type == NL80211_IFTYPE_STATION &&
1592 vif->bss_conf.beacon_int < 16) {
1593 IWL_ERR(mvm,
1594 "AP %pM beacon interval is %d, refusing due to firmware bug!\n",
1595 sta->addr, vif->bss_conf.beacon_int);
1596 ret = -EINVAL;
1597 goto out_unlock;
1598 }
8ca151b5
JB		 1599 ret = iwl_mvm_add_sta(mvm, vif, sta);
1600 } else if (old_state == IEEE80211_STA_NONE &&
1601 new_state == IEEE80211_STA_AUTH) {
1602 ret = 0;
1603 } else if (old_state == IEEE80211_STA_AUTH &&
1604 new_state == IEEE80211_STA_ASSOC) {
7a453973
JB		 1605 ret = iwl_mvm_update_sta(mvm, vif, sta);
1606 if (ret == 0)
1607 iwl_mvm_rs_rate_init(mvm, sta,
b87c2179
ES		 1608 mvmvif->phy_ctxt->channel->band,
1609 true);
8ca151b5
JB		 1610 } else if (old_state == IEEE80211_STA_ASSOC &&
1611 new_state == IEEE80211_STA_AUTHORIZED) {
7df15b1e 1612 /* enable beacon filtering */
3dd37d05 1613 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, CMD_SYNC));
8ca151b5
JB		 1614 ret = 0;
1615 } else if (old_state == IEEE80211_STA_AUTHORIZED &&
1616 new_state == IEEE80211_STA_ASSOC) {
7df15b1e 1617 /* disable beacon filtering */
3dd37d05 1618 WARN_ON(iwl_mvm_disable_beacon_filter(mvm, vif, CMD_SYNC));
8ca151b5
JB		 1619 ret = 0;
1620 } else if (old_state == IEEE80211_STA_ASSOC &&
1621 new_state == IEEE80211_STA_AUTH) {
1622 ret = 0;
1623 } else if (old_state == IEEE80211_STA_AUTH &&
1624 new_state == IEEE80211_STA_NONE) {
1625 ret = 0;
1626 } else if (old_state == IEEE80211_STA_NONE &&
1627 new_state == IEEE80211_STA_NOTEXIST) {
1628 ret = iwl_mvm_rm_sta(mvm, vif, sta);
1629 } else {
1630 ret = -EIO;
1631 }
48bc1307 1632 out_unlock:
8ca151b5
JB		 1633 mutex_unlock(&mvm->mutex);
1634
1635 return ret;
1636}
1637
1638static int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
1639{
1640 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1641
1642 mvm->rts_threshold = value;
1643
1644 return 0;
1645}
1646
1f3b0ff8
LE		 1647static void iwl_mvm_sta_rc_update(struct ieee80211_hw *hw,
1648 struct ieee80211_vif *vif,
1649 struct ieee80211_sta *sta, u32 changed)
1650{
1651 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1652
1653 if (vif->type == NL80211_IFTYPE_STATION &&
1654 changed & IEEE80211_RC_NSS_CHANGED)
1655 iwl_mvm_sf_update(mvm, vif, false);
1656}
1657
8ca151b5
JB		 1658static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw,
1659 struct ieee80211_vif *vif, u16 ac,
1660 const struct ieee80211_tx_queue_params *params)
1661{
1662 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1663 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1664
1665 mvmvif->queue_params[ac] = *params;
1666
1667 /*
1668 * No need to update right away, we'll get BSS_CHANGED_QOS
1669 * The exception is P2P_DEVICE interface which needs immediate update.
1670 */
1671 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
1672 int ret;
1673
1674 mutex_lock(&mvm->mutex);
1675 ret = iwl_mvm_mac_ctxt_changed(mvm, vif);
1676 mutex_unlock(&mvm->mutex);
1677 return ret;
1678 }
1679 return 0;
1680}
1681
1682static void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw,
1683 struct ieee80211_vif *vif)
1684{
1685 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1686 u32 duration = min(IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS,
1687 200 + vif->bss_conf.beacon_int);
1688 u32 min_duration = min(IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS,
1689 100 + vif->bss_conf.beacon_int);
1690
1691 if (WARN_ON_ONCE(vif->bss_conf.assoc))
1692 return;
1693
1694 mutex_lock(&mvm->mutex);
1695 /* Try really hard to protect the session and hear a beacon */
016d27e1 1696 iwl_mvm_protect_session(mvm, vif, duration, min_duration, 500);
8ca151b5
JB		 1697 mutex_unlock(&mvm->mutex);
1698}
1699
35a000b7
DS		 1700static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw,
1701 struct ieee80211_vif *vif,
1702 struct cfg80211_sched_scan_request *req,
1703 struct ieee80211_sched_scan_ies *ies)
1704{
1705 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1706 int ret;
1707
1708 mutex_lock(&mvm->mutex);
1709
1710 if (mvm->scan_status != IWL_MVM_SCAN_NONE) {
1711 IWL_DEBUG_SCAN(mvm,
1712 "SCHED SCAN request during internal scan - abort\n");
1713 ret = -EBUSY;
1714 goto out;
1715 }
1716
1717 mvm->scan_status = IWL_MVM_SCAN_SCHED;
1718
1719 ret = iwl_mvm_config_sched_scan(mvm, vif, req, ies);
1720 if (ret)
1721 goto err;
1722
1723 ret = iwl_mvm_config_sched_scan_profiles(mvm, req);
1724 if (ret)
1725 goto err;
1726
1727 ret = iwl_mvm_sched_scan_start(mvm, req);
1728 if (!ret)
1729 goto out;
1730err:
1731 mvm->scan_status = IWL_MVM_SCAN_NONE;
1732out:
1733 mutex_unlock(&mvm->mutex);
1734 return ret;
1735}
1736
1737static void iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw,
1738 struct ieee80211_vif *vif)
1739{
1740 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1741
1742 mutex_lock(&mvm->mutex);
1743 iwl_mvm_sched_scan_stop(mvm);
1744 mutex_unlock(&mvm->mutex);
1745}
1746
8ca151b5
JB		 1747static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw,
1748 enum set_key_cmd cmd,
1749 struct ieee80211_vif *vif,
1750 struct ieee80211_sta *sta,
1751 struct ieee80211_key_conf *key)
1752{
1753 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1754 int ret;
1755
1756 if (iwlwifi_mod_params.sw_crypto) {
1757 IWL_DEBUG_MAC80211(mvm, "leave - hwcrypto disabled\n");
1758 return -EOPNOTSUPP;
1759 }
1760
1761 switch (key->cipher) {
1762 case WLAN_CIPHER_SUITE_TKIP:
1763 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
1764 /* fall-through */
1765 case WLAN_CIPHER_SUITE_CCMP:
1766 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
1767 break;
1768 case WLAN_CIPHER_SUITE_AES_CMAC:
1769 WARN_ON_ONCE(!(hw->flags & IEEE80211_HW_MFP_CAPABLE));
1770 break;
1771 case WLAN_CIPHER_SUITE_WEP40:
1772 case WLAN_CIPHER_SUITE_WEP104:
1773 /*
1774 * Support for TX only, at least for now, so accept
1775 * the key and do nothing else. Then mac80211 will
1776 * pass it for TX but we don't have to use it for RX.
1777 */
1778 return 0;
1779 default:
e36e5433
MS		 1780 /* currently FW supports only one optional cipher scheme */
1781 if (hw->n_cipher_schemes &&
1782 hw->cipher_schemes->cipher == key->cipher)
1783 key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE;
1784 else
1785 return -EOPNOTSUPP;
8ca151b5
JB		 1786 }
1787
1788 mutex_lock(&mvm->mutex);
1789
1790 switch (cmd) {
1791 case SET_KEY:
5023d966
JB		 1792 if ((vif->type == NL80211_IFTYPE_ADHOC ||
1793 vif->type == NL80211_IFTYPE_AP) && !sta) {
1794 /*
1795 * GTK on AP interface is a TX-only key, return 0;
1796 * on IBSS they're per-station and because we're lazy
1797 * we don't support them for RX, so do the same.
1798 */
6caffd4f
JB		 1799 ret = 0;
1800 key->hw_key_idx = STA_KEY_IDX_INVALID;
1801 break;
1802 }
1803
8ca151b5
JB		 1804 IWL_DEBUG_MAC80211(mvm, "set hwcrypto key\n");
1805 ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, false);
1806 if (ret) {
1807 IWL_WARN(mvm, "set key failed\n");
1808 /*
1809 * can't add key for RX, but we don't need it
1810 * in the device for TX so still return 0
1811 */
6caffd4f 1812 key->hw_key_idx = STA_KEY_IDX_INVALID;
8ca151b5
JB		 1813 ret = 0;
1814 }
1815
1816 break;
1817 case DISABLE_KEY:
6caffd4f
JB		 1818 if (key->hw_key_idx == STA_KEY_IDX_INVALID) {
1819 ret = 0;
1820 break;
1821 }
1822
8ca151b5
JB		 1823 IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n");
1824 ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key);
1825 break;
1826 default:
1827 ret = -EINVAL;
1828 }
1829
1830 mutex_unlock(&mvm->mutex);
1831 return ret;
1832}
1833
1834static void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw,
1835 struct ieee80211_vif *vif,
1836 struct ieee80211_key_conf *keyconf,
1837 struct ieee80211_sta *sta,
1838 u32 iv32, u16 *phase1key)
1839{
1840 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1841
5023d966
JB		 1842 if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID)
1843 return;
1844
8ca151b5
JB		 1845 iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key);
1846}
1847
1848
1849static int iwl_mvm_roc(struct ieee80211_hw *hw,
1850 struct ieee80211_vif *vif,
1851 struct ieee80211_channel *channel,
d339d5ca
IP		 1852 int duration,
1853 enum ieee80211_roc_type type)
8ca151b5
JB		 1854{
1855 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
fe0f2de3 1856 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
8ca151b5 1857 struct cfg80211_chan_def chandef;
31d385ae
IP		 1858 struct iwl_mvm_phy_ctxt *phy_ctxt;
1859 int ret, i;
1860
1861 IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value,
1862 duration, type);
8ca151b5
JB		 1863
1864 if (vif->type != NL80211_IFTYPE_P2P_DEVICE) {
1865 IWL_ERR(mvm, "vif isn't a P2P_DEVICE: %d\n", vif->type);
1866 return -EINVAL;
1867 }
1868
8ca151b5
JB		 1869 mutex_lock(&mvm->mutex);
1870
31d385ae
IP		 1871 for (i = 0; i < NUM_PHY_CTX; i++) {
1872 phy_ctxt = &mvm->phy_ctxts[i];
1873 if (phy_ctxt->ref == 0 || mvmvif->phy_ctxt == phy_ctxt)
1874 continue;
1875
1876 if (phy_ctxt->ref && channel == phy_ctxt->channel) {
1877 /*
1878 * Unbind the P2P_DEVICE from the current PHY context,
1879 * and if the PHY context is not used remove it.
1880 */
1881 ret = iwl_mvm_binding_remove_vif(mvm, vif);
1882 if (WARN(ret, "Failed unbinding P2P_DEVICE\n"))
1883 goto out_unlock;
1884
1885 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
1886
1887 /* Bind the P2P_DEVICE to the current PHY Context */
1888 mvmvif->phy_ctxt = phy_ctxt;
1889
1890 ret = iwl_mvm_binding_add_vif(mvm, vif);
1891 if (WARN(ret, "Failed binding P2P_DEVICE\n"))
1892 goto out_unlock;
1893
1894 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
1895 goto schedule_time_event;
1896 }
1897 }
1898
1899 /* Need to update the PHY context only if the ROC channel changed */
1900 if (channel == mvmvif->phy_ctxt->channel)
1901 goto schedule_time_event;
1902
8ca151b5 1903 cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT);
8ca151b5 1904
31d385ae
IP		 1905 /*
1906 * Change the PHY context configuration as it is currently referenced
1907 * only by the P2P Device MAC
1908 */
1909 if (mvmvif->phy_ctxt->ref == 1) {
1910 ret = iwl_mvm_phy_ctxt_changed(mvm, mvmvif->phy_ctxt,
1911 &chandef, 1, 1);
1912 if (ret)
1913 goto out_unlock;
1914 } else {
1915 /*
1916 * The PHY context is shared with other MACs. Need to remove the
1917 * P2P Device from the binding, allocate an new PHY context and
1918 * create a new binding
1919 */
1920 phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
1921 if (!phy_ctxt) {
1922 ret = -ENOSPC;
1923 goto out_unlock;
1924 }
1925
1926 ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &chandef,
1927 1, 1);
1928 if (ret) {
1929 IWL_ERR(mvm, "Failed to change PHY context\n");
1930 goto out_unlock;
1931 }
1932
1933 /* Unbind the P2P_DEVICE from the current PHY context */
1934 ret = iwl_mvm_binding_remove_vif(mvm, vif);
1935 if (WARN(ret, "Failed unbinding P2P_DEVICE\n"))
1936 goto out_unlock;
1937
1938 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
1939
1940 /* Bind the P2P_DEVICE to the new allocated PHY context */
1941 mvmvif->phy_ctxt = phy_ctxt;
1942
1943 ret = iwl_mvm_binding_add_vif(mvm, vif);
1944 if (WARN(ret, "Failed binding P2P_DEVICE\n"))
1945 goto out_unlock;
1946
1947 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
1948 }
1949
1950schedule_time_event:
8ca151b5 1951 /* Schedule the time events */
e635c797 1952 ret = iwl_mvm_start_p2p_roc(mvm, vif, duration, type);
8ca151b5 1953
31d385ae 1954out_unlock:
8ca151b5
JB		 1955 mutex_unlock(&mvm->mutex);
1956 IWL_DEBUG_MAC80211(mvm, "leave\n");
8ca151b5
JB		 1957 return ret;
1958}
1959
1960static int iwl_mvm_cancel_roc(struct ieee80211_hw *hw)
1961{
1962 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1963
1964 IWL_DEBUG_MAC80211(mvm, "enter\n");
1965
1966 mutex_lock(&mvm->mutex);
1967 iwl_mvm_stop_p2p_roc(mvm);
1968 mutex_unlock(&mvm->mutex);
1969
1970 IWL_DEBUG_MAC80211(mvm, "leave\n");
1971 return 0;
1972}
1973
1974static int iwl_mvm_add_chanctx(struct ieee80211_hw *hw,
1975 struct ieee80211_chanctx_conf *ctx)
1976{
1977 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
fe0f2de3
IP		 1978 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
1979 struct iwl_mvm_phy_ctxt *phy_ctxt;
8ca151b5
JB		 1980 int ret;
1981
53a9d61e 1982 IWL_DEBUG_MAC80211(mvm, "Add channel context\n");
fe0f2de3 1983
8ca151b5 1984 mutex_lock(&mvm->mutex);
fe0f2de3
IP		 1985 phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
1986 if (!phy_ctxt) {
1987 ret = -ENOSPC;
1988 goto out;
1989 }
8ca151b5 1990
dcbc3e1a 1991 ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->min_def,
53a9d61e
IP		 1992 ctx->rx_chains_static,
1993 ctx->rx_chains_dynamic);
fe0f2de3
IP		 1994 if (ret) {
1995 IWL_ERR(mvm, "Failed to add PHY context\n");
1996 goto out;
1997 }
1998
53a9d61e 1999 iwl_mvm_phy_ctxt_ref(mvm, phy_ctxt);
fe0f2de3
IP		 2000 *phy_ctxt_id = phy_ctxt->id;
2001out:
8ca151b5
JB		 2002 mutex_unlock(&mvm->mutex);
2003 return ret;
2004}
2005
2006static void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw,
2007 struct ieee80211_chanctx_conf *ctx)
2008{
2009 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
fe0f2de3
IP		 2010 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
2011 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
8ca151b5
JB		 2012
2013 mutex_lock(&mvm->mutex);
fe0f2de3 2014 iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt);
8ca151b5
JB		 2015 mutex_unlock(&mvm->mutex);
2016}
2017
2018static void iwl_mvm_change_chanctx(struct ieee80211_hw *hw,
2019 struct ieee80211_chanctx_conf *ctx,
2020 u32 changed)
2021{
2022 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
fe0f2de3
IP		 2023 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
2024 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
8ca151b5 2025
31d385ae
IP		 2026 if (WARN_ONCE((phy_ctxt->ref > 1) &&
2027 (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH |
2028 IEEE80211_CHANCTX_CHANGE_RX_CHAINS |
2dceedae
AN		 2029 IEEE80211_CHANCTX_CHANGE_RADAR |
2030 IEEE80211_CHANCTX_CHANGE_MIN_WIDTH)),
31d385ae
IP		 2031 "Cannot change PHY. Ref=%d, changed=0x%X\n",
2032 phy_ctxt->ref, changed))
2033 return;
2034
8ca151b5 2035 mutex_lock(&mvm->mutex);
dcbc3e1a 2036 iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->min_def,
8ca151b5
JB		 2037 ctx->rx_chains_static,
2038 ctx->rx_chains_dynamic);
8e484f0b 2039 iwl_mvm_bt_coex_vif_change(mvm);
8ca151b5
JB		 2040 mutex_unlock(&mvm->mutex);
2041}
2042
2043static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw,
2044 struct ieee80211_vif *vif,
2045 struct ieee80211_chanctx_conf *ctx)
2046{
2047 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
fe0f2de3
IP		 2048 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
2049 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
8ca151b5
JB		 2050 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2051 int ret;
2052
2053 mutex_lock(&mvm->mutex);
2054
fe0f2de3 2055 mvmvif->phy_ctxt = phy_ctxt;
8ca151b5
JB		 2056
2057 switch (vif->type) {
2058 case NL80211_IFTYPE_AP:
5023d966 2059 case NL80211_IFTYPE_ADHOC:
8ca151b5
JB		 2060 /*
2061 * The AP binding flow is handled as part of the start_ap flow
5023d966 2062 * (in bss_info_changed), similarly for IBSS.
8ca151b5
JB		 2063 */
2064 ret = 0;
2065 goto out_unlock;
2066 case NL80211_IFTYPE_STATION:
8ca151b5
JB		 2067 case NL80211_IFTYPE_MONITOR:
2068 break;
2069 default:
2070 ret = -EINVAL;
2071 goto out_unlock;
2072 }
2073
2074 ret = iwl_mvm_binding_add_vif(mvm, vif);
2075 if (ret)
2076 goto out_unlock;
2077
2078 /*
92d85562
AB		 2079 * Power state must be updated before quotas,
2080 * otherwise fw will complain.
2081 */
2082 mvm->bound_vif_cnt++;
2083 iwl_mvm_power_update_binding(mvm, vif, true);
2084
2085 /* Setting the quota at this stage is only required for monitor
8ca151b5
JB		 2086 * interfaces. For the other types, the bss_info changed flow
2087 * will handle quota settings.
2088 */
2089 if (vif->type == NL80211_IFTYPE_MONITOR) {
1e1391ca 2090 mvmvif->monitor_active = true;
8ca151b5
JB		 2091 ret = iwl_mvm_update_quotas(mvm, vif);
2092 if (ret)
2093 goto out_remove_binding;
2094 }
2095
2096 goto out_unlock;
2097
2098 out_remove_binding:
2099 iwl_mvm_binding_remove_vif(mvm, vif);
92d85562
AB		 2100 mvm->bound_vif_cnt--;
2101 iwl_mvm_power_update_binding(mvm, vif, false);
8ca151b5
JB		 2102 out_unlock:
2103 mutex_unlock(&mvm->mutex);
2104 if (ret)
2105 mvmvif->phy_ctxt = NULL;
2106 return ret;
2107}
2108
2109static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw,
2110 struct ieee80211_vif *vif,
2111 struct ieee80211_chanctx_conf *ctx)
2112{
2113 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2114 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2115
2116 mutex_lock(&mvm->mutex);
2117
2118 iwl_mvm_remove_time_event(mvm, mvmvif, &mvmvif->time_event_data);
2119
8ca151b5 2120 switch (vif->type) {
5023d966
JB		 2121 case NL80211_IFTYPE_AP:
2122 case NL80211_IFTYPE_ADHOC:
2123 goto out_unlock;
8ca151b5 2124 case NL80211_IFTYPE_MONITOR:
1e1391ca
IP		 2125 mvmvif->monitor_active = false;
2126 iwl_mvm_update_quotas(mvm, NULL);
8ca151b5
JB		 2127 break;
2128 default:
2129 break;
2130 }
2131
1e1391ca 2132 iwl_mvm_binding_remove_vif(mvm, vif);
1c2abf72 2133 mvm->bound_vif_cnt--;
92d85562 2134 iwl_mvm_power_update_binding(mvm, vif, false);
1c2abf72 2135
a11e144e
IP		 2136out_unlock:
2137 mvmvif->phy_ctxt = NULL;
8ca151b5
JB		 2138 mutex_unlock(&mvm->mutex);
2139}
2140
2141static int iwl_mvm_set_tim(struct ieee80211_hw *hw,
2142 struct ieee80211_sta *sta,
2143 bool set)
2144{
2145 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2146 struct iwl_mvm_sta *mvm_sta = (void *)sta->drv_priv;
2147
2148 if (!mvm_sta || !mvm_sta->vif) {
2149 IWL_ERR(mvm, "Station is not associated to a vif\n");
2150 return -EINVAL;
2151 }
2152
2153 return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif);
2154}
2155
507cadf2
DS		 2156#ifdef CONFIG_NL80211_TESTMODE
2157static const struct nla_policy iwl_mvm_tm_policy[IWL_MVM_TM_ATTR_MAX + 1] = {
2158 [IWL_MVM_TM_ATTR_CMD] = { .type = NLA_U32 },
2159 [IWL_MVM_TM_ATTR_NOA_DURATION] = { .type = NLA_U32 },
f6c6ad42 2160 [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE] = { .type = NLA_U32 },
507cadf2
DS		 2161};
2162
2163static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm,
2164 struct ieee80211_vif *vif,
2165 void *data, int len)
2166{
2167 struct nlattr *tb[IWL_MVM_TM_ATTR_MAX + 1];
2168 int err;
2169 u32 noa_duration;
2170
2171 err = nla_parse(tb, IWL_MVM_TM_ATTR_MAX, data, len, iwl_mvm_tm_policy);
2172 if (err)
2173 return err;
2174
2175 if (!tb[IWL_MVM_TM_ATTR_CMD])
2176 return -EINVAL;
2177
2178 switch (nla_get_u32(tb[IWL_MVM_TM_ATTR_CMD])) {
2179 case IWL_MVM_TM_CMD_SET_NOA:
2180 if (!vif || vif->type != NL80211_IFTYPE_AP || !vif->p2p ||
2181 !vif->bss_conf.enable_beacon ||
2182 !tb[IWL_MVM_TM_ATTR_NOA_DURATION])
2183 return -EINVAL;
2184
2185 noa_duration = nla_get_u32(tb[IWL_MVM_TM_ATTR_NOA_DURATION]);
2186 if (noa_duration >= vif->bss_conf.beacon_int)
2187 return -EINVAL;
2188
2189 mvm->noa_duration = noa_duration;
2190 mvm->noa_vif = vif;
2191
2192 return iwl_mvm_update_quotas(mvm, NULL);
f6c6ad42
JB		 2193 case IWL_MVM_TM_CMD_SET_BEACON_FILTER:
2194 /* must be associated client vif - ignore authorized */
2195 if (!vif || vif->type != NL80211_IFTYPE_STATION ||
2196 !vif->bss_conf.assoc || !vif->bss_conf.dtim_period ||
2197 !tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE])
2198 return -EINVAL;
2199
2200 if (nla_get_u32(tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE]))
3dd37d05
EP		 2201 return iwl_mvm_enable_beacon_filter(mvm, vif,
2202 CMD_SYNC);
2203 return iwl_mvm_disable_beacon_filter(mvm, vif, CMD_SYNC);
507cadf2
DS		 2204 }
2205
2206 return -EOPNOTSUPP;
2207}
2208
2209static int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw *hw,
2210 struct ieee80211_vif *vif,
2211 void *data, int len)
2212{
2213 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2214 int err;
2215
2216 mutex_lock(&mvm->mutex);
2217 err = __iwl_mvm_mac_testmode_cmd(mvm, vif, data, len);
2218 mutex_unlock(&mvm->mutex);
2219
2220 return err;
2221}
2222#endif
2223
8ca151b5
JB		 2224struct ieee80211_ops iwl_mvm_hw_ops = {
2225 .tx = iwl_mvm_mac_tx,
2226 .ampdu_action = iwl_mvm_mac_ampdu_action,
2227 .start = iwl_mvm_mac_start,
2228 .restart_complete = iwl_mvm_mac_restart_complete,
2229 .stop = iwl_mvm_mac_stop,
2230 .add_interface = iwl_mvm_mac_add_interface,
2231 .remove_interface = iwl_mvm_mac_remove_interface,
2232 .config = iwl_mvm_mac_config,
e59647ea 2233 .prepare_multicast = iwl_mvm_prepare_multicast,
8ca151b5
JB		 2234 .configure_filter = iwl_mvm_configure_filter,
2235 .bss_info_changed = iwl_mvm_bss_info_changed,
2236 .hw_scan = iwl_mvm_mac_hw_scan,
2237 .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan,
1ddbbb0c 2238 .sta_pre_rcu_remove = iwl_mvm_sta_pre_rcu_remove,
8ca151b5
JB		 2239 .sta_state = iwl_mvm_mac_sta_state,
2240 .sta_notify = iwl_mvm_mac_sta_notify,
2241 .allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames,
3e56eadf 2242 .release_buffered_frames = iwl_mvm_mac_release_buffered_frames,
8ca151b5 2243 .set_rts_threshold = iwl_mvm_mac_set_rts_threshold,
1f3b0ff8 2244 .sta_rc_update = iwl_mvm_sta_rc_update,
8ca151b5
JB		 2245 .conf_tx = iwl_mvm_mac_conf_tx,
2246 .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx,
35a000b7
DS		 2247 .sched_scan_start = iwl_mvm_mac_sched_scan_start,
2248 .sched_scan_stop = iwl_mvm_mac_sched_scan_stop,
8ca151b5
JB		 2249 .set_key = iwl_mvm_mac_set_key,
2250 .update_tkip_key = iwl_mvm_mac_update_tkip_key,
2251 .remain_on_channel = iwl_mvm_roc,
2252 .cancel_remain_on_channel = iwl_mvm_cancel_roc,
8ca151b5
JB		 2253 .add_chanctx = iwl_mvm_add_chanctx,
2254 .remove_chanctx = iwl_mvm_remove_chanctx,
2255 .change_chanctx = iwl_mvm_change_chanctx,
2256 .assign_vif_chanctx = iwl_mvm_assign_vif_chanctx,
2257 .unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx,
2258
5023d966
JB		 2259 .start_ap = iwl_mvm_start_ap_ibss,
2260 .stop_ap = iwl_mvm_stop_ap_ibss,
2261 .join_ibss = iwl_mvm_start_ap_ibss,
2262 .leave_ibss = iwl_mvm_stop_ap_ibss,
8ca151b5
JB		 2263
2264 .set_tim = iwl_mvm_set_tim,
2265
507cadf2
DS		 2266 CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd)
2267
8ca151b5
JB		 2268#ifdef CONFIG_PM_SLEEP
2269 /* look at d3.c */
2270 .suspend = iwl_mvm_suspend,
2271 .resume = iwl_mvm_resume,
2272 .set_wakeup = iwl_mvm_set_wakeup,
2273 .set_rekey_data = iwl_mvm_set_rekey_data,
2274#if IS_ENABLED(CONFIG_IPV6)
2275 .ipv6_addr_change = iwl_mvm_ipv6_addr_change,
2276#endif
2277 .set_default_unicast_key = iwl_mvm_set_default_unicast_key,
2278#endif
2279};
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