drivers/net/wireless/iwlwifi/mvm/mac80211.c

   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  *
   8  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
   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
  25  * in the file called COPYING.
  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  *
  33  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
  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>
  68 #include <linux/ip.h>
  69 #include <linux/if_arp.h>
  70 #include <net/mac80211.h>
  71 #include <net/tcp.h>
  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"
  81 #include "testmode.h"
  82
  83 static const struct ieee80211_iface_limit iwl_mvm_limits[] = {
  84         {
  85                 .max = 1,
  86                 .types = BIT(NL80211_IFTYPE_STATION),
  87         },
  88         {
  89                 .max = 1,
  90                 .types = BIT(NL80211_IFTYPE_AP) |
  91                         BIT(NL80211_IFTYPE_P2P_CLIENT) |
  92                         BIT(NL80211_IFTYPE_P2P_GO),
  93         },
  94         {
  95                 .max = 1,
  96                 .types = BIT(NL80211_IFTYPE_P2P_DEVICE),
  97         },
  98 };
  99
 100 static 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
 109 #ifdef CONFIG_PM_SLEEP
 110 static const struct nl80211_wowlan_tcp_data_token_feature
 111 iwl_mvm_wowlan_tcp_token_feature = {
 112         .min_len = 0,
 113         .max_len = 255,
 114         .bufsize = IWL_WOWLAN_REMOTE_WAKE_MAX_TOKENS,
 115 };
 116
 117 static 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
 132 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
 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  */
 144 enum {
 145         BC_FILTER_MAGIC_NONE = 0,
 146         BC_FILTER_MAGIC_IP,
 147         BC_FILTER_MAGIC_MAC,
 148 };
 149
 150 static 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                         },
 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                         },
 198                 },
 199         },
 200         /* last filter must be empty */
 201         {},
 202 };
 203 #endif
 204
 205 void 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
 215 void 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
 225 static void
 226 iwl_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
 243 static 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
 254 static 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
 262 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
 263 {
 264         struct ieee80211_hw *hw = mvm->hw;
 265         int num_mac, ret, i;
 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 |
 273                     IEEE80211_HW_SUPPORTS_PS |
 274                     IEEE80211_HW_SUPPORTS_DYNAMIC_PS |
 275                     IEEE80211_HW_AMPDU_AGGREGATION |
 276                     IEEE80211_HW_TIMING_BEACON_ONLY |
 277                     IEEE80211_HW_CONNECTION_MONITOR |
 278                     IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS |
 279                     IEEE80211_HW_SUPPORTS_STATIC_SMPS;
 280
 281         hw->queues = mvm->first_agg_queue;
 282         hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE;
 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
 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
 300         hw->sta_data_size = sizeof(struct iwl_mvm_sta);
 301         hw->vif_data_size = sizeof(struct iwl_mvm_vif);
 302         hw->chanctx_data_size = sizeof(u16);
 303
 304         hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
 305                 BIT(NL80211_IFTYPE_P2P_CLIENT) |
 306                 BIT(NL80211_IFTYPE_AP) |
 307                 BIT(NL80211_IFTYPE_P2P_GO) |
 308                 BIT(NL80211_IFTYPE_P2P_DEVICE);
 309
 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
 314         hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
 315         hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG |
 316                                        REGULATORY_DISABLE_BEACON_HINTS;
 317
 318         if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_GO_UAPSD)
 319                 hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD;
 320
 321         hw->wiphy->iface_combinations = iwl_mvm_iface_combinations;
 322         hw->wiphy->n_iface_combinations =
 323                 ARRAY_SIZE(iwl_mvm_iface_combinations);
 324
 325         hw->wiphy->max_remain_on_channel_duration = 10000;
 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;
 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,
 339                        ETH_ALEN);
 340                 mvm->addresses[i].addr[5]++;
 341                 hw->wiphy->n_addresses++;
 342         }
 343
 344         iwl_mvm_reset_phy_ctxts(mvm);
 345
 346         hw->wiphy->max_scan_ie_len = iwl_mvm_max_scan_ie_len(mvm);
 347
 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
 359         if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM)
 360                 hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT;
 361         else
 362                 hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
 363
 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
 373         hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN |
 374                                NL80211_FEATURE_P2P_GO_OPPPS |
 375                                NL80211_FEATURE_LOW_PRIORITY_SCAN;
 376
 377         mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
 378
 379         /* currently FW API supports only one optional cipher scheme */
 380         if (mvm->fw->cs[0].cipher) {
 381                 mvm->hw->n_cipher_schemes = 1;
 382                 mvm->hw->cipher_schemes = &mvm->fw->cs[0];
 383         }
 384
 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)) {
 390                 mvm->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT |
 391                                     WIPHY_WOWLAN_DISCONNECT |
 392                                     WIPHY_WOWLAN_EAP_IDENTITY_REQ |
 393                                     WIPHY_WOWLAN_RFKILL_RELEASE;
 394                 if (!iwlwifi_mod_params.sw_crypto)
 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;
 404         }
 405 #endif
 406
 407 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
 408         /* assign default bcast filtering configuration */
 409         mvm->bcast_filters = iwl_mvm_default_bcast_filters;
 410 #endif
 411
 412         ret = iwl_mvm_leds_init(mvm);
 413         if (ret)
 414                 return ret;
 415
 416         ret = ieee80211_register_hw(mvm->hw);
 417         if (ret)
 418                 iwl_mvm_leds_exit(mvm);
 419
 420         return ret;
 421 }
 422
 423 static 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);
 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;
 431
 432         if (iwl_mvm_is_radio_killed(mvm)) {
 433                 IWL_DEBUG_DROP(mvm, "Dropping - RF/CT KILL\n");
 434                 goto drop;
 435         }
 436
 437         if (IEEE80211_SKB_CB(skb)->hw_queue == IWL_MVM_OFFCHANNEL_QUEUE &&
 438             !test_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status))
 439                 goto drop;
 440
 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))
 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
 462 static 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:
 491                 if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_TXAGG) {
 492                         ret = -EINVAL;
 493                         break;
 494                 }
 495                 ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn);
 496                 break;
 497         case IEEE80211_AMPDU_TX_STOP_CONT:
 498                 ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid);
 499                 break;
 500         case IEEE80211_AMPDU_TX_STOP_FLUSH:
 501         case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
 502                 ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid);
 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
 517 static 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
 533         mvmvif->phy_ctxt = NULL;
 534 }
 535
 536 static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm)
 537 {
 538         iwl_trans_stop_device(mvm->trans);
 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
 549         mvm->p2p_device_vif = NULL;
 550         mvm->d0i3_ap_sta_id = IWL_MVM_STATION_COUNT;
 551
 552         iwl_mvm_reset_phy_ctxts(mvm);
 553         memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table));
 554         memset(mvm->sta_drained, 0, sizeof(mvm->sta_drained));
 555
 556         ieee80211_wake_queues(mvm->hw);
 557
 558         /* cleanup all stale references (scan, roc), but keep the
 559          * ucode_down ref until reconfig is complete */
 560         iwl_mvm_unref_all_except(mvm, IWL_MVM_REF_UCODE_DOWN);
 561
 562         mvm->vif_count = 0;
 563         mvm->rx_ba_sessions = 0;
 564 }
 565
 566 static int iwl_mvm_mac_start(struct ieee80211_hw *hw)
 567 {
 568         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
 569         int ret;
 570
 571         mutex_lock(&mvm->mutex);
 572
 573         /* Clean up some internal and mac80211 state on restart */
 574         if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
 575                 iwl_mvm_restart_cleanup(mvm);
 576
 577         ret = iwl_mvm_up(mvm);
 578         mutex_unlock(&mvm->mutex);
 579
 580         return ret;
 581 }
 582
 583 static void iwl_mvm_mac_restart_complete(struct ieee80211_hw *hw)
 584 {
 585         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
 586         int ret;
 587
 588         mutex_lock(&mvm->mutex);
 589
 590         clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
 591         ret = iwl_mvm_update_quotas(mvm, NULL);
 592         if (ret)
 593                 IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n",
 594                         ret);
 595
 596         /* allow transport/FW low power modes */
 597         iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN);
 598
 599         mutex_unlock(&mvm->mutex);
 600 }
 601
 602 static void iwl_mvm_mac_stop(struct ieee80211_hw *hw)
 603 {
 604         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
 605
 606         flush_work(&mvm->d0i3_exit_work);
 607         flush_work(&mvm->async_handlers_wk);
 608
 609         mutex_lock(&mvm->mutex);
 610
 611         /* disallow low power states when the FW is down */
 612         iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN);
 613
 614         /* async_handlers_wk is now blocked */
 615
 616         /*
 617          * The work item could be running or queued if the
 618          * ROC time event stops just as we get here.
 619          */
 620         cancel_work_sync(&mvm->roc_done_wk);
 621
 622         iwl_trans_stop_device(mvm->trans);
 623
 624         iwl_mvm_async_handlers_purge(mvm);
 625         /* async_handlers_list is empty and will stay empty: HW is stopped */
 626
 627         /* the fw is stopped, the aux sta is dead: clean up driver state */
 628         iwl_mvm_dealloc_int_sta(mvm, &mvm->aux_sta);
 629
 630         mutex_unlock(&mvm->mutex);
 631
 632         /*
 633          * The worker might have been waiting for the mutex, let it run and
 634          * discover that its list is now empty.
 635          */
 636         cancel_work_sync(&mvm->async_handlers_wk);
 637 }
 638
 639 static void iwl_mvm_power_update_iterator(void *data, u8 *mac,
 640                                           struct ieee80211_vif *vif)
 641 {
 642         struct iwl_mvm *mvm = data;
 643
 644         iwl_mvm_power_update_mode(mvm, vif);
 645 }
 646
 647 static struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm)
 648 {
 649         u16 i;
 650
 651         lockdep_assert_held(&mvm->mutex);
 652
 653         for (i = 0; i < NUM_PHY_CTX; i++)
 654                 if (!mvm->phy_ctxts[i].ref)
 655                         return &mvm->phy_ctxts[i];
 656
 657         IWL_ERR(mvm, "No available PHY context\n");
 658         return NULL;
 659 }
 660
 661 static int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 662                                 s8 tx_power)
 663 {
 664         /* FW is in charge of regulatory enforcement */
 665         struct iwl_reduce_tx_power_cmd reduce_txpwr_cmd = {
 666                 .mac_context_id = iwl_mvm_vif_from_mac80211(vif)->id,
 667                 .pwr_restriction = cpu_to_le16(tx_power),
 668         };
 669
 670         return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, CMD_SYNC,
 671                                     sizeof(reduce_txpwr_cmd),
 672                                     &reduce_txpwr_cmd);
 673 }
 674
 675 static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw,
 676                                      struct ieee80211_vif *vif)
 677 {
 678         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
 679         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 680         int ret;
 681
 682         /*
 683          * Not much to do here. The stack will not allow interface
 684          * types or combinations that we didn't advertise, so we
 685          * don't really have to check the types.
 686          */
 687
 688         mutex_lock(&mvm->mutex);
 689
 690         /* Allocate resources for the MAC context, and add it to the fw  */
 691         ret = iwl_mvm_mac_ctxt_init(mvm, vif);
 692         if (ret)
 693                 goto out_unlock;
 694
 695         /* Counting number of interfaces is needed for legacy PM */
 696         if (vif->type != NL80211_IFTYPE_P2P_DEVICE)
 697                 mvm->vif_count++;
 698
 699         /*
 700          * The AP binding flow can be done only after the beacon
 701          * template is configured (which happens only in the mac80211
 702          * start_ap() flow), and adding the broadcast station can happen
 703          * only after the binding.
 704          * In addition, since modifying the MAC before adding a bcast
 705          * station is not allowed by the FW, delay the adding of MAC context to
 706          * the point where we can also add the bcast station.
 707          * In short: there's not much we can do at this point, other than
 708          * allocating resources :)
 709          */
 710         if (vif->type == NL80211_IFTYPE_AP ||
 711             vif->type == NL80211_IFTYPE_ADHOC) {
 712                 u32 qmask = iwl_mvm_mac_get_queues_mask(mvm, vif);
 713                 ret = iwl_mvm_allocate_int_sta(mvm, &mvmvif->bcast_sta,
 714                                                qmask);
 715                 if (ret) {
 716                         IWL_ERR(mvm, "Failed to allocate bcast sta\n");
 717                         goto out_release;
 718                 }
 719
 720                 iwl_mvm_vif_dbgfs_register(mvm, vif);
 721                 goto out_unlock;
 722         }
 723
 724         ret = iwl_mvm_mac_ctxt_add(mvm, vif);
 725         if (ret)
 726                 goto out_release;
 727
 728         iwl_mvm_power_disable(mvm, vif);
 729
 730         /* beacon filtering */
 731         ret = iwl_mvm_disable_beacon_filter(mvm, vif, CMD_SYNC);
 732         if (ret)
 733                 goto out_remove_mac;
 734
 735         if (!mvm->bf_allowed_vif &&
 736             vif->type == NL80211_IFTYPE_STATION && !vif->p2p &&
 737             mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BF_UPDATED){
 738                 mvm->bf_allowed_vif = mvmvif;
 739                 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER |
 740                                      IEEE80211_VIF_SUPPORTS_CQM_RSSI;
 741         }
 742
 743         /*
 744          * P2P_DEVICE interface does not have a channel context assigned to it,
 745          * so a dedicated PHY context is allocated to it and the corresponding
 746          * MAC context is bound to it at this stage.
 747          */
 748         if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
 749
 750                 mvmvif->phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
 751                 if (!mvmvif->phy_ctxt) {
 752                         ret = -ENOSPC;
 753                         goto out_free_bf;
 754                 }
 755
 756                 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
 757                 ret = iwl_mvm_binding_add_vif(mvm, vif);
 758                 if (ret)
 759                         goto out_unref_phy;
 760
 761                 ret = iwl_mvm_add_bcast_sta(mvm, vif, &mvmvif->bcast_sta);
 762                 if (ret)
 763                         goto out_unbind;
 764
 765                 /* Save a pointer to p2p device vif, so it can later be used to
 766                  * update the p2p device MAC when a GO is started/stopped */
 767                 mvm->p2p_device_vif = vif;
 768         }
 769
 770         iwl_mvm_vif_dbgfs_register(mvm, vif);
 771         goto out_unlock;
 772
 773  out_unbind:
 774         iwl_mvm_binding_remove_vif(mvm, vif);
 775  out_unref_phy:
 776         iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
 777  out_free_bf:
 778         if (mvm->bf_allowed_vif == mvmvif) {
 779                 mvm->bf_allowed_vif = NULL;
 780                 vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER |
 781                                        IEEE80211_VIF_SUPPORTS_CQM_RSSI);
 782         }
 783  out_remove_mac:
 784         mvmvif->phy_ctxt = NULL;
 785         iwl_mvm_mac_ctxt_remove(mvm, vif);
 786  out_release:
 787         if (vif->type != NL80211_IFTYPE_P2P_DEVICE)
 788                 mvm->vif_count--;
 789
 790         /* TODO: remove this when legacy PM will be discarded */
 791         ieee80211_iterate_active_interfaces(
 792                 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
 793                 iwl_mvm_power_update_iterator, mvm);
 794
 795         iwl_mvm_mac_ctxt_release(mvm, vif);
 796  out_unlock:
 797         mutex_unlock(&mvm->mutex);
 798
 799         return ret;
 800 }
 801
 802 static void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm,
 803                                         struct ieee80211_vif *vif)
 804 {
 805         u32 tfd_msk = 0, ac;
 806
 807         for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
 808                 if (vif->hw_queue[ac] != IEEE80211_INVAL_HW_QUEUE)
 809                         tfd_msk |= BIT(vif->hw_queue[ac]);
 810
 811         if (vif->cab_queue != IEEE80211_INVAL_HW_QUEUE)
 812                 tfd_msk |= BIT(vif->cab_queue);
 813
 814         if (tfd_msk) {
 815                 mutex_lock(&mvm->mutex);
 816                 iwl_mvm_flush_tx_path(mvm, tfd_msk, true);
 817                 mutex_unlock(&mvm->mutex);
 818         }
 819
 820         if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
 821                 /*
 822                  * Flush the ROC worker which will flush the OFFCHANNEL queue.
 823                  * We assume here that all the packets sent to the OFFCHANNEL
 824                  * queue are sent in ROC session.
 825                  */
 826                 flush_work(&mvm->roc_done_wk);
 827         } else {
 828                 /*
 829                  * By now, all the AC queues are empty. The AGG queues are
 830                  * empty too. We already got all the Tx responses for all the
 831                  * packets in the queues. The drain work can have been
 832                  * triggered. Flush it.
 833                  */
 834                 flush_work(&mvm->sta_drained_wk);
 835         }
 836 }
 837
 838 static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw,
 839                                          struct ieee80211_vif *vif)
 840 {
 841         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
 842         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 843
 844         iwl_mvm_prepare_mac_removal(mvm, vif);
 845
 846         mutex_lock(&mvm->mutex);
 847
 848         if (mvm->bf_allowed_vif == mvmvif) {
 849                 mvm->bf_allowed_vif = NULL;
 850                 vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER |
 851                                        IEEE80211_VIF_SUPPORTS_CQM_RSSI);
 852         }
 853
 854         iwl_mvm_vif_dbgfs_clean(mvm, vif);
 855
 856         /*
 857          * For AP/GO interface, the tear down of the resources allocated to the
 858          * interface is be handled as part of the stop_ap flow.
 859          */
 860         if (vif->type == NL80211_IFTYPE_AP ||
 861             vif->type == NL80211_IFTYPE_ADHOC) {
 862 #ifdef CONFIG_NL80211_TESTMODE
 863                 if (vif == mvm->noa_vif) {
 864                         mvm->noa_vif = NULL;
 865                         mvm->noa_duration = 0;
 866                 }
 867 #endif
 868                 iwl_mvm_dealloc_int_sta(mvm, &mvmvif->bcast_sta);
 869                 goto out_release;
 870         }
 871
 872         if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
 873                 mvm->p2p_device_vif = NULL;
 874                 iwl_mvm_rm_bcast_sta(mvm, &mvmvif->bcast_sta);
 875                 iwl_mvm_binding_remove_vif(mvm, vif);
 876                 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
 877                 mvmvif->phy_ctxt = NULL;
 878         }
 879
 880         if (mvm->vif_count && vif->type != NL80211_IFTYPE_P2P_DEVICE)
 881                 mvm->vif_count--;
 882
 883         /* TODO: remove this when legacy PM will be discarded */
 884         ieee80211_iterate_active_interfaces(
 885                 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
 886                 iwl_mvm_power_update_iterator, mvm);
 887
 888         iwl_mvm_mac_ctxt_remove(mvm, vif);
 889
 890 out_release:
 891         iwl_mvm_mac_ctxt_release(mvm, vif);
 892         mutex_unlock(&mvm->mutex);
 893 }
 894
 895 static int iwl_mvm_mac_config(struct ieee80211_hw *hw, u32 changed)
 896 {
 897         return 0;
 898 }
 899
 900 struct iwl_mvm_mc_iter_data {
 901         struct iwl_mvm *mvm;
 902         int port_id;
 903 };
 904
 905 static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac,
 906                                       struct ieee80211_vif *vif)
 907 {
 908         struct iwl_mvm_mc_iter_data *data = _data;
 909         struct iwl_mvm *mvm = data->mvm;
 910         struct iwl_mcast_filter_cmd *cmd = mvm->mcast_filter_cmd;
 911         int ret, len;
 912
 913         /* if we don't have free ports, mcast frames will be dropped */
 914         if (WARN_ON_ONCE(data->port_id >= MAX_PORT_ID_NUM))
 915                 return;
 916
 917         if (vif->type != NL80211_IFTYPE_STATION ||
 918             !vif->bss_conf.assoc)
 919                 return;
 920
 921         cmd->port_id = data->port_id++;
 922         memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN);
 923         len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4);
 924
 925         ret = iwl_mvm_send_cmd_pdu(mvm, MCAST_FILTER_CMD, CMD_SYNC, len, cmd);
 926         if (ret)
 927                 IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret);
 928 }
 929
 930 static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm)
 931 {
 932         struct iwl_mvm_mc_iter_data iter_data = {
 933                 .mvm = mvm,
 934         };
 935
 936         lockdep_assert_held(&mvm->mutex);
 937
 938         if (WARN_ON_ONCE(!mvm->mcast_filter_cmd))
 939                 return;
 940
 941         ieee80211_iterate_active_interfaces(
 942                 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
 943                 iwl_mvm_mc_iface_iterator, &iter_data);
 944 }
 945
 946 static u64 iwl_mvm_prepare_multicast(struct ieee80211_hw *hw,
 947                                      struct netdev_hw_addr_list *mc_list)
 948 {
 949         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
 950         struct iwl_mcast_filter_cmd *cmd;
 951         struct netdev_hw_addr *addr;
 952         int addr_count = netdev_hw_addr_list_count(mc_list);
 953         bool pass_all = false;
 954         int len;
 955
 956         if (addr_count > MAX_MCAST_FILTERING_ADDRESSES) {
 957                 pass_all = true;
 958                 addr_count = 0;
 959         }
 960
 961         len = roundup(sizeof(*cmd) + addr_count * ETH_ALEN, 4);
 962         cmd = kzalloc(len, GFP_ATOMIC);
 963         if (!cmd)
 964                 return 0;
 965
 966         if (pass_all) {
 967                 cmd->pass_all = 1;
 968                 return (u64)(unsigned long)cmd;
 969         }
 970
 971         netdev_hw_addr_list_for_each(addr, mc_list) {
 972                 IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %pM\n",
 973                                    cmd->count, addr->addr);
 974                 memcpy(&cmd->addr_list[cmd->count * ETH_ALEN],
 975                        addr->addr, ETH_ALEN);
 976                 cmd->count++;
 977         }
 978
 979         return (u64)(unsigned long)cmd;
 980 }
 981
 982 static void iwl_mvm_configure_filter(struct ieee80211_hw *hw,
 983                                      unsigned int changed_flags,
 984                                      unsigned int *total_flags,
 985                                      u64 multicast)
 986 {
 987         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
 988         struct iwl_mcast_filter_cmd *cmd = (void *)(unsigned long)multicast;
 989
 990         mutex_lock(&mvm->mutex);
 991
 992         /* replace previous configuration */
 993         kfree(mvm->mcast_filter_cmd);
 994         mvm->mcast_filter_cmd = cmd;
 995
 996         if (!cmd)
 997                 goto out;
 998
 999         iwl_mvm_recalc_multicast(mvm);
1000 out:
1001         mutex_unlock(&mvm->mutex);
1002         *total_flags = 0;
1003 }
1004
1005 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1006 struct iwl_bcast_iter_data {
1007         struct iwl_mvm *mvm;
1008         struct iwl_bcast_filter_cmd *cmd;
1009         u8 current_filter;
1010 };
1011
1012 static void
1013 iwl_mvm_set_bcast_filter(struct ieee80211_vif *vif,
1014                          const struct iwl_fw_bcast_filter *in_filter,
1015                          struct iwl_fw_bcast_filter *out_filter)
1016 {
1017         struct iwl_fw_bcast_filter_attr *attr;
1018         int i;
1019
1020         memcpy(out_filter, in_filter, sizeof(*out_filter));
1021
1022         for (i = 0; i < ARRAY_SIZE(out_filter->attrs); i++) {
1023                 attr = &out_filter->attrs[i];
1024
1025                 if (!attr->mask)
1026                         break;
1027
1028                 switch (attr->reserved1) {
1029                 case cpu_to_le16(BC_FILTER_MAGIC_IP):
1030                         if (vif->bss_conf.arp_addr_cnt != 1) {
1031                                 attr->mask = 0;
1032                                 continue;
1033                         }
1034
1035                         attr->val = vif->bss_conf.arp_addr_list[0];
1036                         break;
1037                 case cpu_to_le16(BC_FILTER_MAGIC_MAC):
1038                         attr->val = *(__be32 *)&vif->addr[2];
1039                         break;
1040                 default:
1041                         break;
1042                 }
1043                 attr->reserved1 = 0;
1044                 out_filter->num_attrs++;
1045         }
1046 }
1047
1048 static void iwl_mvm_bcast_filter_iterator(void *_data, u8 *mac,
1049                                           struct ieee80211_vif *vif)
1050 {
1051         struct iwl_bcast_iter_data *data = _data;
1052         struct iwl_mvm *mvm = data->mvm;
1053         struct iwl_bcast_filter_cmd *cmd = data->cmd;
1054         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1055         struct iwl_fw_bcast_mac *bcast_mac;
1056         int i;
1057
1058         if (WARN_ON(mvmvif->id >= ARRAY_SIZE(cmd->macs)))
1059                 return;
1060
1061         bcast_mac = &cmd->macs[mvmvif->id];
1062
1063         /* enable filtering only for associated stations */
1064         if (vif->type != NL80211_IFTYPE_STATION || !vif->bss_conf.assoc)
1065                 return;
1066
1067         bcast_mac->default_discard = 1;
1068
1069         /* copy all configured filters */
1070         for (i = 0; mvm->bcast_filters[i].attrs[0].mask; i++) {
1071                 /*
1072                  * Make sure we don't exceed our filters limit.
1073                  * if there is still a valid filter to be configured,
1074                  * be on the safe side and just allow bcast for this mac.
1075                  */
1076                 if (WARN_ON_ONCE(data->current_filter >=
1077                                  ARRAY_SIZE(cmd->filters))) {
1078                         bcast_mac->default_discard = 0;
1079                         bcast_mac->attached_filters = 0;
1080                         break;
1081                 }
1082
1083                 iwl_mvm_set_bcast_filter(vif,
1084                                          &mvm->bcast_filters[i],
1085                                          &cmd->filters[data->current_filter]);
1086
1087                 /* skip current filter if it contains no attributes */
1088                 if (!cmd->filters[data->current_filter].num_attrs)
1089                         continue;
1090
1091                 /* attach the filter to current mac */
1092                 bcast_mac->attached_filters |=
1093                                 cpu_to_le16(BIT(data->current_filter));
1094
1095                 data->current_filter++;
1096         }
1097 }
1098
1099 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
1100                                     struct iwl_bcast_filter_cmd *cmd)
1101 {
1102         struct iwl_bcast_iter_data iter_data = {
1103                 .mvm = mvm,
1104                 .cmd = cmd,
1105         };
1106
1107         memset(cmd, 0, sizeof(*cmd));
1108         cmd->max_bcast_filters = ARRAY_SIZE(cmd->filters);
1109         cmd->max_macs = ARRAY_SIZE(cmd->macs);
1110
1111 #ifdef CONFIG_IWLWIFI_DEBUGFS
1112         /* use debugfs filters/macs if override is configured */
1113         if (mvm->dbgfs_bcast_filtering.override) {
1114                 memcpy(cmd->filters, &mvm->dbgfs_bcast_filtering.cmd.filters,
1115                        sizeof(cmd->filters));
1116                 memcpy(cmd->macs, &mvm->dbgfs_bcast_filtering.cmd.macs,
1117                        sizeof(cmd->macs));
1118                 return true;
1119         }
1120 #endif
1121
1122         /* if no filters are configured, do nothing */
1123         if (!mvm->bcast_filters)
1124                 return false;
1125
1126         /* configure and attach these filters for each associated sta vif */
1127         ieee80211_iterate_active_interfaces(
1128                 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
1129                 iwl_mvm_bcast_filter_iterator, &iter_data);
1130
1131         return true;
1132 }
1133 static int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm,
1134                                           struct ieee80211_vif *vif)
1135 {
1136         struct iwl_bcast_filter_cmd cmd;
1137
1138         if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING))
1139                 return 0;
1140
1141         if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd))
1142                 return 0;
1143
1144         return iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, CMD_SYNC,
1145                                     sizeof(cmd), &cmd);
1146 }
1147 #else
1148 static inline int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm,
1149                                                  struct ieee80211_vif *vif)
1150 {
1151         return 0;
1152 }
1153 #endif
1154
1155 static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm,
1156                                              struct ieee80211_vif *vif,
1157                                              struct ieee80211_bss_conf *bss_conf,
1158                                              u32 changes)
1159 {
1160         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1161         int ret;
1162
1163         /*
1164          * Re-calculate the tsf id, as the master-slave relations depend on the
1165          * beacon interval, which was not known when the station interface was
1166          * added.
1167          */
1168         if (changes & BSS_CHANGED_ASSOC && bss_conf->assoc)
1169                 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif);
1170
1171         ret = iwl_mvm_mac_ctxt_changed(mvm, vif);
1172         if (ret)
1173                 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr);
1174
1175         if (changes & BSS_CHANGED_ASSOC) {
1176                 if (bss_conf->assoc) {
1177                         /* add quota for this interface */
1178                         ret = iwl_mvm_update_quotas(mvm, vif);
1179                         if (ret) {
1180                                 IWL_ERR(mvm, "failed to update quotas\n");
1181                                 return;
1182                         }
1183
1184                         if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART,
1185                                      &mvm->status)) {
1186                                 /*
1187                                  * If we're restarting then the firmware will
1188                                  * obviously have lost synchronisation with
1189                                  * the AP. It will attempt to synchronise by
1190                                  * itself, but we can make it more reliable by
1191                                  * scheduling a session protection time event.
1192                                  *
1193                                  * The firmware needs to receive a beacon to
1194                                  * catch up with synchronisation, use 110% of
1195                                  * the beacon interval.
1196                                  *
1197                                  * Set a large maximum delay to allow for more
1198                                  * than a single interface.
1199                                  */
1200                                 u32 dur = (11 * vif->bss_conf.beacon_int) / 10;
1201                                 iwl_mvm_protect_session(mvm, vif, dur, dur,
1202                                                         5 * dur);
1203                         }
1204
1205                         iwl_mvm_sf_update(mvm, vif, false);
1206                         iwl_mvm_power_vif_assoc(mvm, vif);
1207                         if (vif->p2p)
1208                                 iwl_mvm_ref(mvm, IWL_MVM_REF_P2P_CLIENT);
1209                 } else if (mvmvif->ap_sta_id != IWL_MVM_STATION_COUNT) {
1210                         /*
1211                          * If update fails - SF might be running in associated
1212                          * mode while disassociated - which is forbidden.
1213                          */
1214                         WARN_ONCE(iwl_mvm_sf_update(mvm, vif, false),
1215                                   "Failed to update SF upon disassociation\n");
1216
1217                         /* remove AP station now that the MAC is unassoc */
1218                         ret = iwl_mvm_rm_sta_id(mvm, vif, mvmvif->ap_sta_id);
1219                         if (ret)
1220                                 IWL_ERR(mvm, "failed to remove AP station\n");
1221
1222                         if (mvm->d0i3_ap_sta_id == mvmvif->ap_sta_id)
1223                                 mvm->d0i3_ap_sta_id = IWL_MVM_STATION_COUNT;
1224                         mvmvif->ap_sta_id = IWL_MVM_STATION_COUNT;
1225                         /* remove quota for this interface */
1226                         ret = iwl_mvm_update_quotas(mvm, NULL);
1227                         if (ret)
1228                                 IWL_ERR(mvm, "failed to update quotas\n");
1229
1230                         if (vif->p2p)
1231                                 iwl_mvm_unref(mvm, IWL_MVM_REF_P2P_CLIENT);
1232                 }
1233
1234                 iwl_mvm_recalc_multicast(mvm);
1235                 iwl_mvm_configure_bcast_filter(mvm, vif);
1236
1237                 /* reset rssi values */
1238                 mvmvif->bf_data.ave_beacon_signal = 0;
1239
1240                 if (!(mvm->fw->ucode_capa.flags &
1241                                         IWL_UCODE_TLV_FLAGS_PM_CMD_SUPPORT)) {
1242                         /* Workaround for FW bug, otherwise FW disables device
1243                          * power save upon disassociation
1244                          */
1245                         ret = iwl_mvm_power_update_mode(mvm, vif);
1246                         if (ret)
1247                                 IWL_ERR(mvm, "failed to update power mode\n");
1248                 }
1249                 iwl_mvm_bt_coex_vif_change(mvm);
1250                 iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_TT,
1251                                     IEEE80211_SMPS_AUTOMATIC);
1252         } else if (changes & BSS_CHANGED_BEACON_INFO) {
1253                 /*
1254                  * We received a beacon _after_ association so
1255                  * remove the session protection.
1256                  */
1257                 iwl_mvm_remove_time_event(mvm, mvmvif,
1258                                           &mvmvif->time_event_data);
1259         } else if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS |
1260                               BSS_CHANGED_QOS)) {
1261                 ret = iwl_mvm_power_update_mode(mvm, vif);
1262                 if (ret)
1263                         IWL_ERR(mvm, "failed to update power mode\n");
1264         }
1265         if (changes & BSS_CHANGED_TXPOWER) {
1266                 IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n",
1267                                 bss_conf->txpower);
1268                 iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower);
1269         }
1270
1271         if (changes & BSS_CHANGED_CQM) {
1272                 IWL_DEBUG_MAC80211(mvm, "cqm info_changed");
1273                 /* reset cqm events tracking */
1274                 mvmvif->bf_data.last_cqm_event = 0;
1275                 ret = iwl_mvm_update_beacon_filter(mvm, vif, false, CMD_SYNC);
1276                 if (ret)
1277                         IWL_ERR(mvm, "failed to update CQM thresholds\n");
1278         }
1279
1280         if (changes & BSS_CHANGED_ARP_FILTER) {
1281                 IWL_DEBUG_MAC80211(mvm, "arp filter changed");
1282                 iwl_mvm_configure_bcast_filter(mvm, vif);
1283         }
1284 }
1285
1286 static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw,
1287                                  struct ieee80211_vif *vif)
1288 {
1289         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1290         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1291         int ret;
1292
1293         mutex_lock(&mvm->mutex);
1294
1295         /* Send the beacon template */
1296         ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif);
1297         if (ret)
1298                 goto out_unlock;
1299
1300         /*
1301          * Re-calculate the tsf id, as the master-slave relations depend on the
1302          * beacon interval, which was not known when the AP interface was added.
1303          */
1304         if (vif->type == NL80211_IFTYPE_AP)
1305                 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif);
1306
1307         /* Add the mac context */
1308         ret = iwl_mvm_mac_ctxt_add(mvm, vif);
1309         if (ret)
1310                 goto out_unlock;
1311
1312         /* Perform the binding */
1313         ret = iwl_mvm_binding_add_vif(mvm, vif);
1314         if (ret)
1315                 goto out_remove;
1316
1317         mvmvif->ap_ibss_active = true;
1318
1319         /* Send the bcast station. At this stage the TBTT and DTIM time events
1320          * are added and applied to the scheduler */
1321         ret = iwl_mvm_send_bcast_sta(mvm, vif, &mvmvif->bcast_sta);
1322         if (ret)
1323                 goto out_unbind;
1324
1325         /* must be set before quota calculations */
1326         mvmvif->ap_ibss_active = true;
1327
1328         /* power updated needs to be done before quotas */
1329         mvm->bound_vif_cnt++;
1330         iwl_mvm_power_update_binding(mvm, vif, true);
1331
1332         ret = iwl_mvm_update_quotas(mvm, vif);
1333         if (ret)
1334                 goto out_quota_failed;
1335
1336         /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
1337         if (vif->p2p && mvm->p2p_device_vif)
1338                 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif);
1339
1340         iwl_mvm_ref(mvm, IWL_MVM_REF_AP_IBSS);
1341
1342         iwl_mvm_bt_coex_vif_change(mvm);
1343
1344         mutex_unlock(&mvm->mutex);
1345         return 0;
1346
1347 out_quota_failed:
1348         mvm->bound_vif_cnt--;
1349         iwl_mvm_power_update_binding(mvm, vif, false);
1350         mvmvif->ap_ibss_active = false;
1351         iwl_mvm_send_rm_bcast_sta(mvm, &mvmvif->bcast_sta);
1352 out_unbind:
1353         iwl_mvm_binding_remove_vif(mvm, vif);
1354 out_remove:
1355         iwl_mvm_mac_ctxt_remove(mvm, vif);
1356 out_unlock:
1357         mutex_unlock(&mvm->mutex);
1358         return ret;
1359 }
1360
1361 static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw,
1362                                  struct ieee80211_vif *vif)
1363 {
1364         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1365         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1366
1367         iwl_mvm_prepare_mac_removal(mvm, vif);
1368
1369         mutex_lock(&mvm->mutex);
1370
1371         mvmvif->ap_ibss_active = false;
1372
1373         iwl_mvm_bt_coex_vif_change(mvm);
1374
1375         iwl_mvm_unref(mvm, IWL_MVM_REF_AP_IBSS);
1376
1377         /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
1378         if (vif->p2p && mvm->p2p_device_vif)
1379                 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif);
1380
1381         iwl_mvm_update_quotas(mvm, NULL);
1382         iwl_mvm_send_rm_bcast_sta(mvm, &mvmvif->bcast_sta);
1383         iwl_mvm_binding_remove_vif(mvm, vif);
1384
1385         mvm->bound_vif_cnt--;
1386         iwl_mvm_power_update_binding(mvm, vif, false);
1387
1388         iwl_mvm_mac_ctxt_remove(mvm, vif);
1389
1390         mutex_unlock(&mvm->mutex);
1391 }
1392
1393 static void
1394 iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm,
1395                                  struct ieee80211_vif *vif,
1396                                  struct ieee80211_bss_conf *bss_conf,
1397                                  u32 changes)
1398 {
1399         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1400         enum ieee80211_bss_change ht_change = BSS_CHANGED_ERP_CTS_PROT |
1401                                               BSS_CHANGED_HT |
1402                                               BSS_CHANGED_BANDWIDTH;
1403         int ret;
1404
1405         /* Changes will be applied when the AP/IBSS is started */
1406         if (!mvmvif->ap_ibss_active)
1407                 return;
1408
1409         if (changes & ht_change) {
1410                 ret = iwl_mvm_mac_ctxt_changed(mvm, vif);
1411                 if (ret)
1412                         IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr);
1413         }
1414
1415         /* Need to send a new beacon template to the FW */
1416         if (changes & BSS_CHANGED_BEACON) {
1417                 if (iwl_mvm_mac_ctxt_beacon_changed(mvm, vif))
1418                         IWL_WARN(mvm, "Failed updating beacon data\n");
1419         }
1420 }
1421
1422 static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw,
1423                                      struct ieee80211_vif *vif,
1424                                      struct ieee80211_bss_conf *bss_conf,
1425                                      u32 changes)
1426 {
1427         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1428
1429         mutex_lock(&mvm->mutex);
1430
1431         switch (vif->type) {
1432         case NL80211_IFTYPE_STATION:
1433                 iwl_mvm_bss_info_changed_station(mvm, vif, bss_conf, changes);
1434                 break;
1435         case NL80211_IFTYPE_AP:
1436         case NL80211_IFTYPE_ADHOC:
1437                 iwl_mvm_bss_info_changed_ap_ibss(mvm, vif, bss_conf, changes);
1438                 break;
1439         default:
1440                 /* shouldn't happen */
1441                 WARN_ON_ONCE(1);
1442         }
1443
1444         mutex_unlock(&mvm->mutex);
1445 }
1446
1447 static int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw,
1448                                struct ieee80211_vif *vif,
1449                                struct cfg80211_scan_request *req)
1450 {
1451         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1452         int ret;
1453
1454         if (req->n_channels == 0 || req->n_channels > MAX_NUM_SCAN_CHANNELS)
1455                 return -EINVAL;
1456
1457         mutex_lock(&mvm->mutex);
1458
1459         if (mvm->scan_status != IWL_MVM_SCAN_NONE) {
1460                 ret = -EBUSY;
1461                 goto out;
1462         }
1463
1464         iwl_mvm_ref(mvm, IWL_MVM_REF_SCAN);
1465
1466         ret = iwl_mvm_scan_request(mvm, vif, req);
1467         if (ret)
1468                 iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN);
1469 out:
1470         mutex_unlock(&mvm->mutex);
1471
1472         return ret;
1473 }
1474
1475 static void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw,
1476                                        struct ieee80211_vif *vif)
1477 {
1478         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1479
1480         mutex_lock(&mvm->mutex);
1481
1482         iwl_mvm_cancel_scan(mvm);
1483
1484         mutex_unlock(&mvm->mutex);
1485 }
1486
1487 static void
1488 iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw *hw,
1489                                   struct ieee80211_sta *sta, u16 tids,
1490                                   int num_frames,
1491                                   enum ieee80211_frame_release_type reason,
1492                                   bool more_data)
1493 {
1494         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1495
1496         /* Called when we need to transmit (a) frame(s) from mac80211 */
1497
1498         iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames,
1499                                           tids, more_data, false);
1500 }
1501
1502 static void
1503 iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw *hw,
1504                                     struct ieee80211_sta *sta, u16 tids,
1505                                     int num_frames,
1506                                     enum ieee80211_frame_release_type reason,
1507                                     bool more_data)
1508 {
1509         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1510
1511         /* Called when we need to transmit (a) frame(s) from agg queue */
1512
1513         iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames,
1514                                           tids, more_data, true);
1515 }
1516
1517 static void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw,
1518                                    struct ieee80211_vif *vif,
1519                                    enum sta_notify_cmd cmd,
1520                                    struct ieee80211_sta *sta)
1521 {
1522         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1523         struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
1524         int tid;
1525
1526         switch (cmd) {
1527         case STA_NOTIFY_SLEEP:
1528                 if (atomic_read(&mvm->pending_frames[mvmsta->sta_id]) > 0)
1529                         ieee80211_sta_block_awake(hw, sta, true);
1530                 spin_lock_bh(&mvmsta->lock);
1531                 for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) {
1532                         struct iwl_mvm_tid_data *tid_data;
1533
1534                         tid_data = &mvmsta->tid_data[tid];
1535                         if (tid_data->state != IWL_AGG_ON &&
1536                             tid_data->state != IWL_EMPTYING_HW_QUEUE_DELBA)
1537                                 continue;
1538                         if (iwl_mvm_tid_queued(tid_data) == 0)
1539                                 continue;
1540                         ieee80211_sta_set_buffered(sta, tid, true);
1541                 }
1542                 spin_unlock_bh(&mvmsta->lock);
1543                 /*
1544                  * The fw updates the STA to be asleep. Tx packets on the Tx
1545                  * queues to this station will not be transmitted. The fw will
1546                  * send a Tx response with TX_STATUS_FAIL_DEST_PS.
1547                  */
1548                 break;
1549         case STA_NOTIFY_AWAKE:
1550                 if (WARN_ON(mvmsta->sta_id == IWL_MVM_STATION_COUNT))
1551                         break;
1552                 iwl_mvm_sta_modify_ps_wake(mvm, sta);
1553                 break;
1554         default:
1555                 break;
1556         }
1557 }
1558
1559 static void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw,
1560                                        struct ieee80211_vif *vif,
1561                                        struct ieee80211_sta *sta)
1562 {
1563         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1564         struct iwl_mvm_sta *mvm_sta = (void *)sta->drv_priv;
1565
1566         /*
1567          * This is called before mac80211 does RCU synchronisation,
1568          * so here we already invalidate our internal RCU-protected
1569          * station pointer. The rest of the code will thus no longer
1570          * be able to find the station this way, and we don't rely
1571          * on further RCU synchronisation after the sta_state()
1572          * callback deleted the station.
1573          */
1574         mutex_lock(&mvm->mutex);
1575         if (sta == rcu_access_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id]))
1576                 rcu_assign_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id],
1577                                    ERR_PTR(-ENOENT));
1578         mutex_unlock(&mvm->mutex);
1579 }
1580
1581 static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw,
1582                                  struct ieee80211_vif *vif,
1583                                  struct ieee80211_sta *sta,
1584                                  enum ieee80211_sta_state old_state,
1585                                  enum ieee80211_sta_state new_state)
1586 {
1587         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1588         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1589         int ret;
1590
1591         IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n",
1592                            sta->addr, old_state, new_state);
1593
1594         /* this would be a mac80211 bug ... but don't crash */
1595         if (WARN_ON_ONCE(!mvmvif->phy_ctxt))
1596                 return -EINVAL;
1597
1598         /* if a STA is being removed, reuse its ID */
1599         flush_work(&mvm->sta_drained_wk);
1600
1601         mutex_lock(&mvm->mutex);
1602         if (old_state == IEEE80211_STA_NOTEXIST &&
1603             new_state == IEEE80211_STA_NONE) {
1604                 /*
1605                  * Firmware bug - it'll crash if the beacon interval is less
1606                  * than 16. We can't avoid connecting at all, so refuse the
1607                  * station state change, this will cause mac80211 to abandon
1608                  * attempts to connect to this AP, and eventually wpa_s will
1609                  * blacklist the AP...
1610                  */
1611                 if (vif->type == NL80211_IFTYPE_STATION &&
1612                     vif->bss_conf.beacon_int < 16) {
1613                         IWL_ERR(mvm,
1614                                 "AP %pM beacon interval is %d, refusing due to firmware bug!\n",
1615                                 sta->addr, vif->bss_conf.beacon_int);
1616                         ret = -EINVAL;
1617                         goto out_unlock;
1618                 }
1619                 ret = iwl_mvm_add_sta(mvm, vif, sta);
1620         } else if (old_state == IEEE80211_STA_NONE &&
1621                    new_state == IEEE80211_STA_AUTH) {
1622                 ret = 0;
1623         } else if (old_state == IEEE80211_STA_AUTH &&
1624                    new_state == IEEE80211_STA_ASSOC) {
1625                 ret = iwl_mvm_update_sta(mvm, vif, sta);
1626                 if (ret == 0)
1627                         iwl_mvm_rs_rate_init(mvm, sta,
1628                                              mvmvif->phy_ctxt->channel->band,
1629                                              true);
1630         } else if (old_state == IEEE80211_STA_ASSOC &&
1631                    new_state == IEEE80211_STA_AUTHORIZED) {
1632                 /* enable beacon filtering */
1633                 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, CMD_SYNC));
1634                 ret = 0;
1635         } else if (old_state == IEEE80211_STA_AUTHORIZED &&
1636                    new_state == IEEE80211_STA_ASSOC) {
1637                 /* disable beacon filtering */
1638                 WARN_ON(iwl_mvm_disable_beacon_filter(mvm, vif, CMD_SYNC));
1639                 ret = 0;
1640         } else if (old_state == IEEE80211_STA_ASSOC &&
1641                    new_state == IEEE80211_STA_AUTH) {
1642                 ret = 0;
1643         } else if (old_state == IEEE80211_STA_AUTH &&
1644                    new_state == IEEE80211_STA_NONE) {
1645                 ret = 0;
1646         } else if (old_state == IEEE80211_STA_NONE &&
1647                    new_state == IEEE80211_STA_NOTEXIST) {
1648                 ret = iwl_mvm_rm_sta(mvm, vif, sta);
1649         } else {
1650                 ret = -EIO;
1651         }
1652  out_unlock:
1653         mutex_unlock(&mvm->mutex);
1654
1655         return ret;
1656 }
1657
1658 static int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
1659 {
1660         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1661
1662         mvm->rts_threshold = value;
1663
1664         return 0;
1665 }
1666
1667 static void iwl_mvm_sta_rc_update(struct ieee80211_hw *hw,
1668                                   struct ieee80211_vif *vif,
1669                                   struct ieee80211_sta *sta, u32 changed)
1670 {
1671         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1672
1673         if (vif->type == NL80211_IFTYPE_STATION &&
1674             changed & IEEE80211_RC_NSS_CHANGED)
1675                 iwl_mvm_sf_update(mvm, vif, false);
1676 }
1677
1678 static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw,
1679                                struct ieee80211_vif *vif, u16 ac,
1680                                const struct ieee80211_tx_queue_params *params)
1681 {
1682         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1683         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1684
1685         mvmvif->queue_params[ac] = *params;
1686
1687         /*
1688          * No need to update right away, we'll get BSS_CHANGED_QOS
1689          * The exception is P2P_DEVICE interface which needs immediate update.
1690          */
1691         if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
1692                 int ret;
1693
1694                 mutex_lock(&mvm->mutex);
1695                 ret = iwl_mvm_mac_ctxt_changed(mvm, vif);
1696                 mutex_unlock(&mvm->mutex);
1697                 return ret;
1698         }
1699         return 0;
1700 }
1701
1702 static void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw,
1703                                       struct ieee80211_vif *vif)
1704 {
1705         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1706         u32 duration = min(IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS,
1707                            200 + vif->bss_conf.beacon_int);
1708         u32 min_duration = min(IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS,
1709                                100 + vif->bss_conf.beacon_int);
1710
1711         if (WARN_ON_ONCE(vif->bss_conf.assoc))
1712                 return;
1713
1714         mutex_lock(&mvm->mutex);
1715         /* Try really hard to protect the session and hear a beacon */
1716         iwl_mvm_protect_session(mvm, vif, duration, min_duration, 500);
1717         mutex_unlock(&mvm->mutex);
1718 }
1719
1720 static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw,
1721                                         struct ieee80211_vif *vif,
1722                                         struct cfg80211_sched_scan_request *req,
1723                                         struct ieee80211_sched_scan_ies *ies)
1724 {
1725         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1726         int ret;
1727
1728         mutex_lock(&mvm->mutex);
1729
1730         if (mvm->scan_status != IWL_MVM_SCAN_NONE) {
1731                 IWL_DEBUG_SCAN(mvm,
1732                                "SCHED SCAN request during internal scan - abort\n");
1733                 ret = -EBUSY;
1734                 goto out;
1735         }
1736
1737         mvm->scan_status = IWL_MVM_SCAN_SCHED;
1738
1739         ret = iwl_mvm_config_sched_scan(mvm, vif, req, ies);
1740         if (ret)
1741                 goto err;
1742
1743         ret = iwl_mvm_config_sched_scan_profiles(mvm, req);
1744         if (ret)
1745                 goto err;
1746
1747         ret = iwl_mvm_sched_scan_start(mvm, req);
1748         if (!ret)
1749                 goto out;
1750 err:
1751         mvm->scan_status = IWL_MVM_SCAN_NONE;
1752 out:
1753         mutex_unlock(&mvm->mutex);
1754         return ret;
1755 }
1756
1757 static void iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw,
1758                                         struct ieee80211_vif *vif)
1759 {
1760         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1761
1762         mutex_lock(&mvm->mutex);
1763         iwl_mvm_sched_scan_stop(mvm);
1764         mutex_unlock(&mvm->mutex);
1765 }
1766
1767 static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw,
1768                                enum set_key_cmd cmd,
1769                                struct ieee80211_vif *vif,
1770                                struct ieee80211_sta *sta,
1771                                struct ieee80211_key_conf *key)
1772 {
1773         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1774         int ret;
1775
1776         if (iwlwifi_mod_params.sw_crypto) {
1777                 IWL_DEBUG_MAC80211(mvm, "leave - hwcrypto disabled\n");
1778                 return -EOPNOTSUPP;
1779         }
1780
1781         switch (key->cipher) {
1782         case WLAN_CIPHER_SUITE_TKIP:
1783                 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
1784                 /* fall-through */
1785         case WLAN_CIPHER_SUITE_CCMP:
1786                 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
1787                 break;
1788         case WLAN_CIPHER_SUITE_AES_CMAC:
1789                 WARN_ON_ONCE(!(hw->flags & IEEE80211_HW_MFP_CAPABLE));
1790                 break;
1791         case WLAN_CIPHER_SUITE_WEP40:
1792         case WLAN_CIPHER_SUITE_WEP104:
1793                 /*
1794                  * Support for TX only, at least for now, so accept
1795                  * the key and do nothing else. Then mac80211 will
1796                  * pass it for TX but we don't have to use it for RX.
1797                  */
1798                 return 0;
1799         default:
1800                 /* currently FW supports only one optional cipher scheme */
1801                 if (hw->n_cipher_schemes &&
1802                     hw->cipher_schemes->cipher == key->cipher)
1803                         key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE;
1804                 else
1805                         return -EOPNOTSUPP;
1806         }
1807
1808         mutex_lock(&mvm->mutex);
1809
1810         switch (cmd) {
1811         case SET_KEY:
1812                 if ((vif->type == NL80211_IFTYPE_ADHOC ||
1813                      vif->type == NL80211_IFTYPE_AP) && !sta) {
1814                         /*
1815                          * GTK on AP interface is a TX-only key, return 0;
1816                          * on IBSS they're per-station and because we're lazy
1817                          * we don't support them for RX, so do the same.
1818                          */
1819                         ret = 0;
1820                         key->hw_key_idx = STA_KEY_IDX_INVALID;
1821                         break;
1822                 }
1823
1824                 IWL_DEBUG_MAC80211(mvm, "set hwcrypto key\n");
1825                 ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, false);
1826                 if (ret) {
1827                         IWL_WARN(mvm, "set key failed\n");
1828                         /*
1829                          * can't add key for RX, but we don't need it
1830                          * in the device for TX so still return 0
1831                          */
1832                         key->hw_key_idx = STA_KEY_IDX_INVALID;
1833                         ret = 0;
1834                 }
1835
1836                 break;
1837         case DISABLE_KEY:
1838                 if (key->hw_key_idx == STA_KEY_IDX_INVALID) {
1839                         ret = 0;
1840                         break;
1841                 }
1842
1843                 IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n");
1844                 ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key);
1845                 break;
1846         default:
1847                 ret = -EINVAL;
1848         }
1849
1850         mutex_unlock(&mvm->mutex);
1851         return ret;
1852 }
1853
1854 static void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw,
1855                                         struct ieee80211_vif *vif,
1856                                         struct ieee80211_key_conf *keyconf,
1857                                         struct ieee80211_sta *sta,
1858                                         u32 iv32, u16 *phase1key)
1859 {
1860         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1861
1862         if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID)
1863                 return;
1864
1865         iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key);
1866 }
1867
1868
1869 static int iwl_mvm_roc(struct ieee80211_hw *hw,
1870                        struct ieee80211_vif *vif,
1871                        struct ieee80211_channel *channel,
1872                        int duration,
1873                        enum ieee80211_roc_type type)
1874 {
1875         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1876         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1877         struct cfg80211_chan_def chandef;
1878         struct iwl_mvm_phy_ctxt *phy_ctxt;
1879         int ret, i;
1880
1881         IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value,
1882                            duration, type);
1883
1884         if (vif->type != NL80211_IFTYPE_P2P_DEVICE) {
1885                 IWL_ERR(mvm, "vif isn't a P2P_DEVICE: %d\n", vif->type);
1886                 return -EINVAL;
1887         }
1888
1889         mutex_lock(&mvm->mutex);
1890
1891         for (i = 0; i < NUM_PHY_CTX; i++) {
1892                 phy_ctxt = &mvm->phy_ctxts[i];
1893                 if (phy_ctxt->ref == 0 || mvmvif->phy_ctxt == phy_ctxt)
1894                         continue;
1895
1896                 if (phy_ctxt->ref && channel == phy_ctxt->channel) {
1897                         /*
1898                          * Unbind the P2P_DEVICE from the current PHY context,
1899                          * and if the PHY context is not used remove it.
1900                          */
1901                         ret = iwl_mvm_binding_remove_vif(mvm, vif);
1902                         if (WARN(ret, "Failed unbinding P2P_DEVICE\n"))
1903                                 goto out_unlock;
1904
1905                         iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
1906
1907                         /* Bind the P2P_DEVICE to the current PHY Context */
1908                         mvmvif->phy_ctxt = phy_ctxt;
1909
1910                         ret = iwl_mvm_binding_add_vif(mvm, vif);
1911                         if (WARN(ret, "Failed binding P2P_DEVICE\n"))
1912                                 goto out_unlock;
1913
1914                         iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
1915                         goto schedule_time_event;
1916                 }
1917         }
1918
1919         /* Need to update the PHY context only if the ROC channel changed */
1920         if (channel == mvmvif->phy_ctxt->channel)
1921                 goto schedule_time_event;
1922
1923         cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT);
1924
1925         /*
1926          * Change the PHY context configuration as it is currently referenced
1927          * only by the P2P Device MAC
1928          */
1929         if (mvmvif->phy_ctxt->ref == 1) {
1930                 ret = iwl_mvm_phy_ctxt_changed(mvm, mvmvif->phy_ctxt,
1931                                                &chandef, 1, 1);
1932                 if (ret)
1933                         goto out_unlock;
1934         } else {
1935                 /*
1936                  * The PHY context is shared with other MACs. Need to remove the
1937                  * P2P Device from the binding, allocate an new PHY context and
1938                  * create a new binding
1939                  */
1940                 phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
1941                 if (!phy_ctxt) {
1942                         ret = -ENOSPC;
1943                         goto out_unlock;
1944                 }
1945
1946                 ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &chandef,
1947                                                1, 1);
1948                 if (ret) {
1949                         IWL_ERR(mvm, "Failed to change PHY context\n");
1950                         goto out_unlock;
1951                 }
1952
1953                 /* Unbind the P2P_DEVICE from the current PHY context */
1954                 ret = iwl_mvm_binding_remove_vif(mvm, vif);
1955                 if (WARN(ret, "Failed unbinding P2P_DEVICE\n"))
1956                         goto out_unlock;
1957
1958                 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
1959
1960                 /* Bind the P2P_DEVICE to the new allocated PHY context */
1961                 mvmvif->phy_ctxt = phy_ctxt;
1962
1963                 ret = iwl_mvm_binding_add_vif(mvm, vif);
1964                 if (WARN(ret, "Failed binding P2P_DEVICE\n"))
1965                         goto out_unlock;
1966
1967                 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
1968         }
1969
1970 schedule_time_event:
1971         /* Schedule the time events */
1972         ret = iwl_mvm_start_p2p_roc(mvm, vif, duration, type);
1973
1974 out_unlock:
1975         mutex_unlock(&mvm->mutex);
1976         IWL_DEBUG_MAC80211(mvm, "leave\n");
1977         return ret;
1978 }
1979
1980 static int iwl_mvm_cancel_roc(struct ieee80211_hw *hw)
1981 {
1982         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1983
1984         IWL_DEBUG_MAC80211(mvm, "enter\n");
1985
1986         mutex_lock(&mvm->mutex);
1987         iwl_mvm_stop_p2p_roc(mvm);
1988         mutex_unlock(&mvm->mutex);
1989
1990         IWL_DEBUG_MAC80211(mvm, "leave\n");
1991         return 0;
1992 }
1993
1994 static int iwl_mvm_add_chanctx(struct ieee80211_hw *hw,
1995                                struct ieee80211_chanctx_conf *ctx)
1996 {
1997         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1998         u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
1999         struct iwl_mvm_phy_ctxt *phy_ctxt;
2000         int ret;
2001
2002         IWL_DEBUG_MAC80211(mvm, "Add channel context\n");
2003
2004         mutex_lock(&mvm->mutex);
2005         phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
2006         if (!phy_ctxt) {
2007                 ret = -ENOSPC;
2008                 goto out;
2009         }
2010
2011         ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->min_def,
2012                                        ctx->rx_chains_static,
2013                                        ctx->rx_chains_dynamic);
2014         if (ret) {
2015                 IWL_ERR(mvm, "Failed to add PHY context\n");
2016                 goto out;
2017         }
2018
2019         iwl_mvm_phy_ctxt_ref(mvm, phy_ctxt);
2020         *phy_ctxt_id = phy_ctxt->id;
2021 out:
2022         mutex_unlock(&mvm->mutex);
2023         return ret;
2024 }
2025
2026 static void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw,
2027                                    struct ieee80211_chanctx_conf *ctx)
2028 {
2029         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2030         u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
2031         struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
2032
2033         mutex_lock(&mvm->mutex);
2034         iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt);
2035         mutex_unlock(&mvm->mutex);
2036 }
2037
2038 static void iwl_mvm_change_chanctx(struct ieee80211_hw *hw,
2039                                    struct ieee80211_chanctx_conf *ctx,
2040                                    u32 changed)
2041 {
2042         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2043         u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
2044         struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
2045
2046         if (WARN_ONCE((phy_ctxt->ref > 1) &&
2047                       (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH |
2048                                    IEEE80211_CHANCTX_CHANGE_RX_CHAINS |
2049                                    IEEE80211_CHANCTX_CHANGE_RADAR |
2050                                    IEEE80211_CHANCTX_CHANGE_MIN_WIDTH)),
2051                       "Cannot change PHY. Ref=%d, changed=0x%X\n",
2052                       phy_ctxt->ref, changed))
2053                 return;
2054
2055         mutex_lock(&mvm->mutex);
2056         iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->min_def,
2057                                  ctx->rx_chains_static,
2058                                  ctx->rx_chains_dynamic);
2059         iwl_mvm_bt_coex_vif_change(mvm);
2060         mutex_unlock(&mvm->mutex);
2061 }
2062
2063 static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw,
2064                                       struct ieee80211_vif *vif,
2065                                       struct ieee80211_chanctx_conf *ctx)
2066 {
2067         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2068         u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
2069         struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
2070         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2071         int ret;
2072
2073         mutex_lock(&mvm->mutex);
2074
2075         mvmvif->phy_ctxt = phy_ctxt;
2076
2077         switch (vif->type) {
2078         case NL80211_IFTYPE_AP:
2079         case NL80211_IFTYPE_ADHOC:
2080                 /*
2081                  * The AP binding flow is handled as part of the start_ap flow
2082                  * (in bss_info_changed), similarly for IBSS.
2083                  */
2084                 ret = 0;
2085                 goto out_unlock;
2086         case NL80211_IFTYPE_STATION:
2087         case NL80211_IFTYPE_MONITOR:
2088                 break;
2089         default:
2090                 ret = -EINVAL;
2091                 goto out_unlock;
2092         }
2093
2094         ret = iwl_mvm_binding_add_vif(mvm, vif);
2095         if (ret)
2096                 goto out_unlock;
2097
2098         /*
2099          * Power state must be updated before quotas,
2100          * otherwise fw will complain.
2101          */
2102         mvm->bound_vif_cnt++;
2103         iwl_mvm_power_update_binding(mvm, vif, true);
2104
2105         /* Setting the quota at this stage is only required for monitor
2106          * interfaces. For the other types, the bss_info changed flow
2107          * will handle quota settings.
2108          */
2109         if (vif->type == NL80211_IFTYPE_MONITOR) {
2110                 mvmvif->monitor_active = true;
2111                 ret = iwl_mvm_update_quotas(mvm, vif);
2112                 if (ret)
2113                         goto out_remove_binding;
2114         }
2115
2116         goto out_unlock;
2117
2118  out_remove_binding:
2119         iwl_mvm_binding_remove_vif(mvm, vif);
2120         mvm->bound_vif_cnt--;
2121         iwl_mvm_power_update_binding(mvm, vif, false);
2122  out_unlock:
2123         mutex_unlock(&mvm->mutex);
2124         if (ret)
2125                 mvmvif->phy_ctxt = NULL;
2126         return ret;
2127 }
2128
2129 static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw,
2130                                          struct ieee80211_vif *vif,
2131                                          struct ieee80211_chanctx_conf *ctx)
2132 {
2133         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2134         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2135
2136         mutex_lock(&mvm->mutex);
2137
2138         iwl_mvm_remove_time_event(mvm, mvmvif, &mvmvif->time_event_data);
2139
2140         switch (vif->type) {
2141         case NL80211_IFTYPE_AP:
2142         case NL80211_IFTYPE_ADHOC:
2143                 goto out_unlock;
2144         case NL80211_IFTYPE_MONITOR:
2145                 mvmvif->monitor_active = false;
2146                 iwl_mvm_update_quotas(mvm, NULL);
2147                 break;
2148         default:
2149                 break;
2150         }
2151
2152         iwl_mvm_binding_remove_vif(mvm, vif);
2153         mvm->bound_vif_cnt--;
2154         iwl_mvm_power_update_binding(mvm, vif, false);
2155
2156 out_unlock:
2157         mvmvif->phy_ctxt = NULL;
2158         mutex_unlock(&mvm->mutex);
2159 }
2160
2161 static int iwl_mvm_set_tim(struct ieee80211_hw *hw,
2162                            struct ieee80211_sta *sta,
2163                            bool set)
2164 {
2165         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2166         struct iwl_mvm_sta *mvm_sta = (void *)sta->drv_priv;
2167
2168         if (!mvm_sta || !mvm_sta->vif) {
2169                 IWL_ERR(mvm, "Station is not associated to a vif\n");
2170                 return -EINVAL;
2171         }
2172
2173         return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif);
2174 }
2175
2176 #ifdef CONFIG_NL80211_TESTMODE
2177 static const struct nla_policy iwl_mvm_tm_policy[IWL_MVM_TM_ATTR_MAX + 1] = {
2178         [IWL_MVM_TM_ATTR_CMD] = { .type = NLA_U32 },
2179         [IWL_MVM_TM_ATTR_NOA_DURATION] = { .type = NLA_U32 },
2180         [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE] = { .type = NLA_U32 },
2181 };
2182
2183 static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm,
2184                                       struct ieee80211_vif *vif,
2185                                       void *data, int len)
2186 {
2187         struct nlattr *tb[IWL_MVM_TM_ATTR_MAX + 1];
2188         int err;
2189         u32 noa_duration;
2190
2191         err = nla_parse(tb, IWL_MVM_TM_ATTR_MAX, data, len, iwl_mvm_tm_policy);
2192         if (err)
2193                 return err;
2194
2195         if (!tb[IWL_MVM_TM_ATTR_CMD])
2196                 return -EINVAL;
2197
2198         switch (nla_get_u32(tb[IWL_MVM_TM_ATTR_CMD])) {
2199         case IWL_MVM_TM_CMD_SET_NOA:
2200                 if (!vif || vif->type != NL80211_IFTYPE_AP || !vif->p2p ||
2201                     !vif->bss_conf.enable_beacon ||
2202                     !tb[IWL_MVM_TM_ATTR_NOA_DURATION])
2203                         return -EINVAL;
2204
2205                 noa_duration = nla_get_u32(tb[IWL_MVM_TM_ATTR_NOA_DURATION]);
2206                 if (noa_duration >= vif->bss_conf.beacon_int)
2207                         return -EINVAL;
2208
2209                 mvm->noa_duration = noa_duration;
2210                 mvm->noa_vif = vif;
2211
2212                 return iwl_mvm_update_quotas(mvm, NULL);
2213         case IWL_MVM_TM_CMD_SET_BEACON_FILTER:
2214                 /* must be associated client vif - ignore authorized */
2215                 if (!vif || vif->type != NL80211_IFTYPE_STATION ||
2216                     !vif->bss_conf.assoc || !vif->bss_conf.dtim_period ||
2217                     !tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE])
2218                         return -EINVAL;
2219
2220                 if (nla_get_u32(tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE]))
2221                         return iwl_mvm_enable_beacon_filter(mvm, vif,
2222                                                             CMD_SYNC);
2223                 return iwl_mvm_disable_beacon_filter(mvm, vif, CMD_SYNC);
2224         }
2225
2226         return -EOPNOTSUPP;
2227 }
2228
2229 static int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw *hw,
2230                                     struct ieee80211_vif *vif,
2231                                     void *data, int len)
2232 {
2233         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2234         int err;
2235
2236         mutex_lock(&mvm->mutex);
2237         err = __iwl_mvm_mac_testmode_cmd(mvm, vif, data, len);
2238         mutex_unlock(&mvm->mutex);
2239
2240         return err;
2241 }
2242 #endif
2243
2244 struct ieee80211_ops iwl_mvm_hw_ops = {
2245         .tx = iwl_mvm_mac_tx,
2246         .ampdu_action = iwl_mvm_mac_ampdu_action,
2247         .start = iwl_mvm_mac_start,
2248         .restart_complete = iwl_mvm_mac_restart_complete,
2249         .stop = iwl_mvm_mac_stop,
2250         .add_interface = iwl_mvm_mac_add_interface,
2251         .remove_interface = iwl_mvm_mac_remove_interface,
2252         .config = iwl_mvm_mac_config,
2253         .prepare_multicast = iwl_mvm_prepare_multicast,
2254         .configure_filter = iwl_mvm_configure_filter,
2255         .bss_info_changed = iwl_mvm_bss_info_changed,
2256         .hw_scan = iwl_mvm_mac_hw_scan,
2257         .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan,
2258         .sta_pre_rcu_remove = iwl_mvm_sta_pre_rcu_remove,
2259         .sta_state = iwl_mvm_mac_sta_state,
2260         .sta_notify = iwl_mvm_mac_sta_notify,
2261         .allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames,
2262         .release_buffered_frames = iwl_mvm_mac_release_buffered_frames,
2263         .set_rts_threshold = iwl_mvm_mac_set_rts_threshold,
2264         .sta_rc_update = iwl_mvm_sta_rc_update,
2265         .conf_tx = iwl_mvm_mac_conf_tx,
2266         .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx,
2267         .sched_scan_start = iwl_mvm_mac_sched_scan_start,
2268         .sched_scan_stop = iwl_mvm_mac_sched_scan_stop,
2269         .set_key = iwl_mvm_mac_set_key,
2270         .update_tkip_key = iwl_mvm_mac_update_tkip_key,
2271         .remain_on_channel = iwl_mvm_roc,
2272         .cancel_remain_on_channel = iwl_mvm_cancel_roc,
2273         .add_chanctx = iwl_mvm_add_chanctx,
2274         .remove_chanctx = iwl_mvm_remove_chanctx,
2275         .change_chanctx = iwl_mvm_change_chanctx,
2276         .assign_vif_chanctx = iwl_mvm_assign_vif_chanctx,
2277         .unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx,
2278
2279         .start_ap = iwl_mvm_start_ap_ibss,
2280         .stop_ap = iwl_mvm_stop_ap_ibss,
2281         .join_ibss = iwl_mvm_start_ap_ibss,
2282         .leave_ibss = iwl_mvm_stop_ap_ibss,
2283
2284         .set_tim = iwl_mvm_set_tim,
2285
2286         CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd)
2287
2288 #ifdef CONFIG_PM_SLEEP
2289         /* look at d3.c */
2290         .suspend = iwl_mvm_suspend,
2291         .resume = iwl_mvm_resume,
2292         .set_wakeup = iwl_mvm_set_wakeup,
2293         .set_rekey_data = iwl_mvm_set_rekey_data,
2294 #if IS_ENABLED(CONFIG_IPV6)
2295         .ipv6_addr_change = iwl_mvm_ipv6_addr_change,
2296 #endif
2297         .set_default_unicast_key = iwl_mvm_set_default_unicast_key,
2298 #endif
2299 };