1e705c121SKalle Valo /****************************************************************************** 2e705c121SKalle Valo * 3e705c121SKalle Valo * This file is provided under a dual BSD/GPLv2 license. When using or 4e705c121SKalle Valo * redistributing this file, you may do so under either license. 5e705c121SKalle Valo * 6e705c121SKalle Valo * GPL LICENSE SUMMARY 7e705c121SKalle Valo * 826d6c16bSSara Sharon * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH 926d6c16bSSara Sharon * Copyright(c) 2016 - 2017 Intel Deutschland GmbH 10*12d47f0eSAndrei Otcheretianski * Copyright(c) 2012 - 2014, 2018 - 2020 Intel Corporation 11e705c121SKalle Valo * 12e705c121SKalle Valo * This program is free software; you can redistribute it and/or modify 13e705c121SKalle Valo * it under the terms of version 2 of the GNU General Public License as 14e705c121SKalle Valo * published by the Free Software Foundation. 15e705c121SKalle Valo * 16e705c121SKalle Valo * This program is distributed in the hope that it will be useful, but 17e705c121SKalle Valo * WITHOUT ANY WARRANTY; without even the implied warranty of 18e705c121SKalle Valo * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 19e705c121SKalle Valo * General Public License for more details. 20e705c121SKalle Valo * 21e705c121SKalle Valo * The full GNU General Public License is included in this distribution 22e705c121SKalle Valo * in the file called COPYING. 23e705c121SKalle Valo * 24e705c121SKalle Valo * Contact Information: 25cb2f8277SEmmanuel Grumbach * Intel Linux Wireless <linuxwifi@intel.com> 26e705c121SKalle Valo * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 27e705c121SKalle Valo * 28e705c121SKalle Valo * BSD LICENSE 29e705c121SKalle Valo * 3026d6c16bSSara Sharon * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH 3126d6c16bSSara Sharon * Copyright(c) 2016 - 2017 Intel Deutschland GmbH 32*12d47f0eSAndrei Otcheretianski * Copyright(c) 2012 - 2014, 2018 - 2020 Intel Corporation 33e705c121SKalle Valo * All rights reserved. 34e705c121SKalle Valo * 35e705c121SKalle Valo * Redistribution and use in source and binary forms, with or without 36e705c121SKalle Valo * modification, are permitted provided that the following conditions 37e705c121SKalle Valo * are met: 38e705c121SKalle Valo * 39e705c121SKalle Valo * * Redistributions of source code must retain the above copyright 40e705c121SKalle Valo * notice, this list of conditions and the following disclaimer. 41e705c121SKalle Valo * * Redistributions in binary form must reproduce the above copyright 42e705c121SKalle Valo * notice, this list of conditions and the following disclaimer in 43e705c121SKalle Valo * the documentation and/or other materials provided with the 44e705c121SKalle Valo * distribution. 45e705c121SKalle Valo * * Neither the name Intel Corporation nor the names of its 46e705c121SKalle Valo * contributors may be used to endorse or promote products derived 47e705c121SKalle Valo * from this software without specific prior written permission. 48e705c121SKalle Valo * 49e705c121SKalle Valo * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 50e705c121SKalle Valo * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 51e705c121SKalle Valo * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 52e705c121SKalle Valo * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 53e705c121SKalle Valo * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 54e705c121SKalle Valo * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 55e705c121SKalle Valo * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 56e705c121SKalle Valo * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 57e705c121SKalle Valo * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 58e705c121SKalle Valo * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 59e705c121SKalle Valo * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 60e705c121SKalle Valo * 61e705c121SKalle Valo *****************************************************************************/ 62e705c121SKalle Valo #include <linux/kernel.h> 63e705c121SKalle Valo #include <linux/slab.h> 64e705c121SKalle Valo #include <linux/skbuff.h> 65e705c121SKalle Valo #include <linux/netdevice.h> 66e705c121SKalle Valo #include <linux/etherdevice.h> 67e705c121SKalle Valo #include <linux/ip.h> 68e705c121SKalle Valo #include <linux/if_arp.h> 692f89a5d7SGolan Ben-Ami #include <linux/time.h> 70e705c121SKalle Valo #include <net/mac80211.h> 71e705c121SKalle Valo #include <net/ieee80211_radiotap.h> 72e705c121SKalle Valo #include <net/tcp.h> 73e705c121SKalle Valo 74e705c121SKalle Valo #include "iwl-op-mode.h" 75e705c121SKalle Valo #include "iwl-io.h" 76e705c121SKalle Valo #include "mvm.h" 77e705c121SKalle Valo #include "sta.h" 78e705c121SKalle Valo #include "time-event.h" 79e705c121SKalle Valo #include "iwl-eeprom-parse.h" 80e705c121SKalle Valo #include "iwl-phy-db.h" 81e705c121SKalle Valo #include "testmode.h" 82d962f9b1SJohannes Berg #include "fw/error-dump.h" 83e705c121SKalle Valo #include "iwl-prph.h" 84e705c121SKalle Valo #include "iwl-nvm-parse.h" 85e705c121SKalle Valo 86e705c121SKalle Valo static const struct ieee80211_iface_limit iwl_mvm_limits[] = { 87e705c121SKalle Valo { 88e705c121SKalle Valo .max = 1, 89e705c121SKalle Valo .types = BIT(NL80211_IFTYPE_STATION), 90e705c121SKalle Valo }, 91e705c121SKalle Valo { 92e705c121SKalle Valo .max = 1, 93e705c121SKalle Valo .types = BIT(NL80211_IFTYPE_AP) | 94e705c121SKalle Valo BIT(NL80211_IFTYPE_P2P_CLIENT) | 95e705c121SKalle Valo BIT(NL80211_IFTYPE_P2P_GO), 96e705c121SKalle Valo }, 97e705c121SKalle Valo { 98e705c121SKalle Valo .max = 1, 99e705c121SKalle Valo .types = BIT(NL80211_IFTYPE_P2P_DEVICE), 100e705c121SKalle Valo }, 101e705c121SKalle Valo }; 102e705c121SKalle Valo 103e705c121SKalle Valo static const struct ieee80211_iface_combination iwl_mvm_iface_combinations[] = { 104e705c121SKalle Valo { 105e705c121SKalle Valo .num_different_channels = 2, 106e705c121SKalle Valo .max_interfaces = 3, 107e705c121SKalle Valo .limits = iwl_mvm_limits, 108e705c121SKalle Valo .n_limits = ARRAY_SIZE(iwl_mvm_limits), 109e705c121SKalle Valo }, 110e705c121SKalle Valo }; 111e705c121SKalle Valo 112e705c121SKalle Valo #ifdef CONFIG_IWLWIFI_BCAST_FILTERING 113e705c121SKalle Valo /* 114e705c121SKalle Valo * Use the reserved field to indicate magic values. 115e705c121SKalle Valo * these values will only be used internally by the driver, 116e705c121SKalle Valo * and won't make it to the fw (reserved will be 0). 117e705c121SKalle Valo * BC_FILTER_MAGIC_IP - configure the val of this attribute to 118e705c121SKalle Valo * be the vif's ip address. in case there is not a single 119e705c121SKalle Valo * ip address (0, or more than 1), this attribute will 120e705c121SKalle Valo * be skipped. 121e705c121SKalle Valo * BC_FILTER_MAGIC_MAC - set the val of this attribute to 122e705c121SKalle Valo * the LSB bytes of the vif's mac address 123e705c121SKalle Valo */ 124e705c121SKalle Valo enum { 125e705c121SKalle Valo BC_FILTER_MAGIC_NONE = 0, 126e705c121SKalle Valo BC_FILTER_MAGIC_IP, 127e705c121SKalle Valo BC_FILTER_MAGIC_MAC, 128e705c121SKalle Valo }; 129e705c121SKalle Valo 130e705c121SKalle Valo static const struct iwl_fw_bcast_filter iwl_mvm_default_bcast_filters[] = { 131e705c121SKalle Valo { 132e705c121SKalle Valo /* arp */ 133e705c121SKalle Valo .discard = 0, 134e705c121SKalle Valo .frame_type = BCAST_FILTER_FRAME_TYPE_ALL, 135e705c121SKalle Valo .attrs = { 136e705c121SKalle Valo { 137e705c121SKalle Valo /* frame type - arp, hw type - ethernet */ 138e705c121SKalle Valo .offset_type = 139e705c121SKalle Valo BCAST_FILTER_OFFSET_PAYLOAD_START, 140e705c121SKalle Valo .offset = sizeof(rfc1042_header), 141e705c121SKalle Valo .val = cpu_to_be32(0x08060001), 142e705c121SKalle Valo .mask = cpu_to_be32(0xffffffff), 143e705c121SKalle Valo }, 144e705c121SKalle Valo { 145e705c121SKalle Valo /* arp dest ip */ 146e705c121SKalle Valo .offset_type = 147e705c121SKalle Valo BCAST_FILTER_OFFSET_PAYLOAD_START, 148e705c121SKalle Valo .offset = sizeof(rfc1042_header) + 2 + 149e705c121SKalle Valo sizeof(struct arphdr) + 150e705c121SKalle Valo ETH_ALEN + sizeof(__be32) + 151e705c121SKalle Valo ETH_ALEN, 152e705c121SKalle Valo .mask = cpu_to_be32(0xffffffff), 153e705c121SKalle Valo /* mark it as special field */ 154e705c121SKalle Valo .reserved1 = cpu_to_le16(BC_FILTER_MAGIC_IP), 155e705c121SKalle Valo }, 156e705c121SKalle Valo }, 157e705c121SKalle Valo }, 158e705c121SKalle Valo { 159e705c121SKalle Valo /* dhcp offer bcast */ 160e705c121SKalle Valo .discard = 0, 161e705c121SKalle Valo .frame_type = BCAST_FILTER_FRAME_TYPE_IPV4, 162e705c121SKalle Valo .attrs = { 163e705c121SKalle Valo { 164e705c121SKalle Valo /* udp dest port - 68 (bootp client)*/ 165e705c121SKalle Valo .offset_type = BCAST_FILTER_OFFSET_IP_END, 166e705c121SKalle Valo .offset = offsetof(struct udphdr, dest), 167e705c121SKalle Valo .val = cpu_to_be32(0x00440000), 168e705c121SKalle Valo .mask = cpu_to_be32(0xffff0000), 169e705c121SKalle Valo }, 170e705c121SKalle Valo { 171e705c121SKalle Valo /* dhcp - lsb bytes of client hw address */ 172e705c121SKalle Valo .offset_type = BCAST_FILTER_OFFSET_IP_END, 173e705c121SKalle Valo .offset = 38, 174e705c121SKalle Valo .mask = cpu_to_be32(0xffffffff), 175e705c121SKalle Valo /* mark it as special field */ 176e705c121SKalle Valo .reserved1 = cpu_to_le16(BC_FILTER_MAGIC_MAC), 177e705c121SKalle Valo }, 178e705c121SKalle Valo }, 179e705c121SKalle Valo }, 180e705c121SKalle Valo /* last filter must be empty */ 181e705c121SKalle Valo {}, 182e705c121SKalle Valo }; 183e705c121SKalle Valo #endif 184e705c121SKalle Valo 185fc36ffdaSJohannes Berg static const struct cfg80211_pmsr_capabilities iwl_mvm_pmsr_capa = { 186fc36ffdaSJohannes Berg .max_peers = IWL_MVM_TOF_MAX_APS, 187fc36ffdaSJohannes Berg .report_ap_tsf = 1, 188fc36ffdaSJohannes Berg .randomize_mac_addr = 1, 189fc36ffdaSJohannes Berg 190fc36ffdaSJohannes Berg .ftm = { 191fc36ffdaSJohannes Berg .supported = 1, 192fc36ffdaSJohannes Berg .asap = 1, 193fc36ffdaSJohannes Berg .non_asap = 1, 194fc36ffdaSJohannes Berg .request_lci = 1, 195fc36ffdaSJohannes Berg .request_civicloc = 1, 196fc36ffdaSJohannes Berg .max_bursts_exponent = -1, /* all supported */ 197fc36ffdaSJohannes Berg .max_ftms_per_burst = 0, /* no limits */ 198fc36ffdaSJohannes Berg .bandwidths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | 199fc36ffdaSJohannes Berg BIT(NL80211_CHAN_WIDTH_20) | 200fc36ffdaSJohannes Berg BIT(NL80211_CHAN_WIDTH_40) | 201fc36ffdaSJohannes Berg BIT(NL80211_CHAN_WIDTH_80), 202fc36ffdaSJohannes Berg .preambles = BIT(NL80211_PREAMBLE_LEGACY) | 203fc36ffdaSJohannes Berg BIT(NL80211_PREAMBLE_HT) | 204fc36ffdaSJohannes Berg BIT(NL80211_PREAMBLE_VHT), 205fc36ffdaSJohannes Berg }, 206fc36ffdaSJohannes Berg }; 207fc36ffdaSJohannes Berg 2086569e7d3SJohannes Berg static int __iwl_mvm_mac_set_key(struct ieee80211_hw *hw, 209c56e00a3SJohannes Berg enum set_key_cmd cmd, 210c56e00a3SJohannes Berg struct ieee80211_vif *vif, 211c56e00a3SJohannes Berg struct ieee80211_sta *sta, 212c56e00a3SJohannes Berg struct ieee80211_key_conf *key); 213c56e00a3SJohannes Berg 214e705c121SKalle Valo static void iwl_mvm_reset_phy_ctxts(struct iwl_mvm *mvm) 215e705c121SKalle Valo { 216e705c121SKalle Valo int i; 217e705c121SKalle Valo 218e705c121SKalle Valo memset(mvm->phy_ctxts, 0, sizeof(mvm->phy_ctxts)); 219e705c121SKalle Valo for (i = 0; i < NUM_PHY_CTX; i++) { 220e705c121SKalle Valo mvm->phy_ctxts[i].id = i; 221e705c121SKalle Valo mvm->phy_ctxts[i].ref = 0; 222e705c121SKalle Valo } 223e705c121SKalle Valo } 224e705c121SKalle Valo 225e705c121SKalle Valo struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy, 226e705c121SKalle Valo const char *alpha2, 227e705c121SKalle Valo enum iwl_mcc_source src_id, 228e705c121SKalle Valo bool *changed) 229e705c121SKalle Valo { 230e705c121SKalle Valo struct ieee80211_regdomain *regd = NULL; 231e705c121SKalle Valo struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); 232e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 233e705c121SKalle Valo struct iwl_mcc_update_resp *resp; 234e705c121SKalle Valo 235e705c121SKalle Valo IWL_DEBUG_LAR(mvm, "Getting regdomain data for %s from FW\n", alpha2); 236e705c121SKalle Valo 237e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 238e705c121SKalle Valo 239e705c121SKalle Valo resp = iwl_mvm_update_mcc(mvm, alpha2, src_id); 240e705c121SKalle Valo if (IS_ERR_OR_NULL(resp)) { 241e705c121SKalle Valo IWL_DEBUG_LAR(mvm, "Could not get update from FW %d\n", 242e705c121SKalle Valo PTR_ERR_OR_ZERO(resp)); 243e705c121SKalle Valo goto out; 244e705c121SKalle Valo } 245e705c121SKalle Valo 24682715ac7SEmmanuel Grumbach if (changed) { 24782715ac7SEmmanuel Grumbach u32 status = le32_to_cpu(resp->status); 24882715ac7SEmmanuel Grumbach 24982715ac7SEmmanuel Grumbach *changed = (status == MCC_RESP_NEW_CHAN_PROFILE || 25082715ac7SEmmanuel Grumbach status == MCC_RESP_ILLEGAL); 25182715ac7SEmmanuel Grumbach } 252e705c121SKalle Valo 253e705c121SKalle Valo regd = iwl_parse_nvm_mcc_info(mvm->trans->dev, mvm->cfg, 254e705c121SKalle Valo __le32_to_cpu(resp->n_channels), 255e705c121SKalle Valo resp->channels, 25677e30e10SHaim Dreyfuss __le16_to_cpu(resp->mcc), 2572763bba6SHaim Dreyfuss __le16_to_cpu(resp->geo_info), 2582763bba6SHaim Dreyfuss __le16_to_cpu(resp->cap)); 259e705c121SKalle Valo /* Store the return source id */ 260e705c121SKalle Valo src_id = resp->source_id; 261e705c121SKalle Valo kfree(resp); 262e705c121SKalle Valo if (IS_ERR_OR_NULL(regd)) { 263e705c121SKalle Valo IWL_DEBUG_LAR(mvm, "Could not get parse update from FW %d\n", 264e705c121SKalle Valo PTR_ERR_OR_ZERO(regd)); 265e705c121SKalle Valo goto out; 266e705c121SKalle Valo } 267e705c121SKalle Valo 268e705c121SKalle Valo IWL_DEBUG_LAR(mvm, "setting alpha2 from FW to %s (0x%x, 0x%x) src=%d\n", 269e705c121SKalle Valo regd->alpha2, regd->alpha2[0], regd->alpha2[1], src_id); 270e705c121SKalle Valo mvm->lar_regdom_set = true; 271e705c121SKalle Valo mvm->mcc_src = src_id; 272e705c121SKalle Valo 273e705c121SKalle Valo out: 274e705c121SKalle Valo return regd; 275e705c121SKalle Valo } 276e705c121SKalle Valo 277e705c121SKalle Valo void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm) 278e705c121SKalle Valo { 279e705c121SKalle Valo bool changed; 280e705c121SKalle Valo struct ieee80211_regdomain *regd; 281e705c121SKalle Valo 282e705c121SKalle Valo if (!iwl_mvm_is_lar_supported(mvm)) 283e705c121SKalle Valo return; 284e705c121SKalle Valo 285e705c121SKalle Valo regd = iwl_mvm_get_current_regdomain(mvm, &changed); 286e705c121SKalle Valo if (!IS_ERR_OR_NULL(regd)) { 287e705c121SKalle Valo /* only update the regulatory core if changed */ 288e705c121SKalle Valo if (changed) 289e705c121SKalle Valo regulatory_set_wiphy_regd(mvm->hw->wiphy, regd); 290e705c121SKalle Valo 291e705c121SKalle Valo kfree(regd); 292e705c121SKalle Valo } 293e705c121SKalle Valo } 294e705c121SKalle Valo 295e705c121SKalle Valo struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm, 296e705c121SKalle Valo bool *changed) 297e705c121SKalle Valo { 298e705c121SKalle Valo return iwl_mvm_get_regdomain(mvm->hw->wiphy, "ZZ", 299e705c121SKalle Valo iwl_mvm_is_wifi_mcc_supported(mvm) ? 300e705c121SKalle Valo MCC_SOURCE_GET_CURRENT : 301e705c121SKalle Valo MCC_SOURCE_OLD_FW, changed); 302e705c121SKalle Valo } 303e705c121SKalle Valo 304e705c121SKalle Valo int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm) 305e705c121SKalle Valo { 306e705c121SKalle Valo enum iwl_mcc_source used_src; 307e705c121SKalle Valo struct ieee80211_regdomain *regd; 308e705c121SKalle Valo int ret; 309e705c121SKalle Valo bool changed; 310e705c121SKalle Valo const struct ieee80211_regdomain *r = 311e705c121SKalle Valo rtnl_dereference(mvm->hw->wiphy->regd); 312e705c121SKalle Valo 313e705c121SKalle Valo if (!r) 314e705c121SKalle Valo return -ENOENT; 315e705c121SKalle Valo 316e705c121SKalle Valo /* save the last source in case we overwrite it below */ 317e705c121SKalle Valo used_src = mvm->mcc_src; 318e705c121SKalle Valo if (iwl_mvm_is_wifi_mcc_supported(mvm)) { 319e705c121SKalle Valo /* Notify the firmware we support wifi location updates */ 320e705c121SKalle Valo regd = iwl_mvm_get_current_regdomain(mvm, NULL); 321e705c121SKalle Valo if (!IS_ERR_OR_NULL(regd)) 322e705c121SKalle Valo kfree(regd); 323e705c121SKalle Valo } 324e705c121SKalle Valo 325e705c121SKalle Valo /* Now set our last stored MCC and source */ 326e705c121SKalle Valo regd = iwl_mvm_get_regdomain(mvm->hw->wiphy, r->alpha2, used_src, 327e705c121SKalle Valo &changed); 328e705c121SKalle Valo if (IS_ERR_OR_NULL(regd)) 329e705c121SKalle Valo return -EIO; 330e705c121SKalle Valo 331e705c121SKalle Valo /* update cfg80211 if the regdomain was changed */ 332e705c121SKalle Valo if (changed) 333e705c121SKalle Valo ret = regulatory_set_wiphy_regd_sync_rtnl(mvm->hw->wiphy, regd); 334e705c121SKalle Valo else 335e705c121SKalle Valo ret = 0; 336e705c121SKalle Valo 337e705c121SKalle Valo kfree(regd); 338e705c121SKalle Valo return ret; 339e705c121SKalle Valo } 340e705c121SKalle Valo 3417f2ea521SYueHaibing static const u8 he_if_types_ext_capa_sta[] = { 3427360f99eSEmmanuel Grumbach [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING, 343918cbf39SSara Sharon [2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT, 3447360f99eSEmmanuel Grumbach [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF, 3457360f99eSEmmanuel Grumbach [9] = WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT, 3467360f99eSEmmanuel Grumbach }; 3477360f99eSEmmanuel Grumbach 3487f2ea521SYueHaibing static const struct wiphy_iftype_ext_capab he_iftypes_ext_capa[] = { 3497360f99eSEmmanuel Grumbach { 3507360f99eSEmmanuel Grumbach .iftype = NL80211_IFTYPE_STATION, 3517360f99eSEmmanuel Grumbach .extended_capabilities = he_if_types_ext_capa_sta, 3527360f99eSEmmanuel Grumbach .extended_capabilities_mask = he_if_types_ext_capa_sta, 3537360f99eSEmmanuel Grumbach .extended_capabilities_len = sizeof(he_if_types_ext_capa_sta), 3547360f99eSEmmanuel Grumbach }, 3557360f99eSEmmanuel Grumbach }; 3567360f99eSEmmanuel Grumbach 357e8503aecSBen Greear static int 358e8503aecSBen Greear iwl_mvm_op_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant) 359e8503aecSBen Greear { 360e8503aecSBen Greear struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 361e8503aecSBen Greear *tx_ant = iwl_mvm_get_valid_tx_ant(mvm); 362e8503aecSBen Greear *rx_ant = iwl_mvm_get_valid_rx_ant(mvm); 363e8503aecSBen Greear return 0; 364e8503aecSBen Greear } 365e8503aecSBen Greear 366e705c121SKalle Valo int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) 367e705c121SKalle Valo { 368e705c121SKalle Valo struct ieee80211_hw *hw = mvm->hw; 369e705c121SKalle Valo int num_mac, ret, i; 370e705c121SKalle Valo static const u32 mvm_ciphers[] = { 371e705c121SKalle Valo WLAN_CIPHER_SUITE_WEP40, 372e705c121SKalle Valo WLAN_CIPHER_SUITE_WEP104, 373e705c121SKalle Valo WLAN_CIPHER_SUITE_TKIP, 374e705c121SKalle Valo WLAN_CIPHER_SUITE_CCMP, 375e705c121SKalle Valo }; 3763f37c229SIdo Yariv #ifdef CONFIG_PM_SLEEP 3773f37c229SIdo Yariv bool unified = fw_has_capa(&mvm->fw->ucode_capa, 3783f37c229SIdo Yariv IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG); 3793f37c229SIdo Yariv #endif 380e705c121SKalle Valo 381e705c121SKalle Valo /* Tell mac80211 our characteristics */ 382e705c121SKalle Valo ieee80211_hw_set(hw, SIGNAL_DBM); 383e705c121SKalle Valo ieee80211_hw_set(hw, SPECTRUM_MGMT); 384e705c121SKalle Valo ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS); 385e705c121SKalle Valo ieee80211_hw_set(hw, WANT_MONITOR_VIF); 386e705c121SKalle Valo ieee80211_hw_set(hw, SUPPORTS_PS); 387e705c121SKalle Valo ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS); 388e705c121SKalle Valo ieee80211_hw_set(hw, AMPDU_AGGREGATION); 389e705c121SKalle Valo ieee80211_hw_set(hw, TIMING_BEACON_ONLY); 390e705c121SKalle Valo ieee80211_hw_set(hw, CONNECTION_MONITOR); 391e705c121SKalle Valo ieee80211_hw_set(hw, CHANCTX_STA_CSA); 392e705c121SKalle Valo ieee80211_hw_set(hw, SUPPORT_FAST_XMIT); 393e705c121SKalle Valo ieee80211_hw_set(hw, SUPPORTS_CLONED_SKBS); 394909ddf0bSJohannes Berg ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU); 39530433d3bSJohannes Berg ieee80211_hw_set(hw, NEEDS_UNIQUE_STA_ADDR); 396d270e7b8SIlan Peer ieee80211_hw_set(hw, DEAUTH_NEED_MGD_TX_PREP); 397520229e4SShaul Triebitz ieee80211_hw_set(hw, SUPPORTS_VHT_EXT_NSS_BW); 398cfbc6c4cSSara Sharon ieee80211_hw_set(hw, BUFF_MMPDU_TXQ); 399cfbc6c4cSSara Sharon ieee80211_hw_set(hw, STA_MMPDU_TXQ); 400cfb21b11SJohannes Berg /* 401cfb21b11SJohannes Berg * On older devices, enabling TX A-MSDU occasionally leads to 402cfb21b11SJohannes Berg * something getting messed up, the command read from the FIFO 403cfb21b11SJohannes Berg * gets out of sync and isn't a TX command, so that we have an 404cfb21b11SJohannes Berg * assert EDC. 405cfb21b11SJohannes Berg * 406cfb21b11SJohannes Berg * It's not clear where the bug is, but since we didn't used to 407cfb21b11SJohannes Berg * support A-MSDU until moving the mac80211 iTXQs, just leave it 408cfb21b11SJohannes Berg * for older devices. We also don't see this issue on any newer 409cfb21b11SJohannes Berg * devices. 410cfb21b11SJohannes Berg */ 4117d34a7d7SLuca Coelho if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_9000) 412438af969SSara Sharon ieee80211_hw_set(hw, TX_AMSDU); 413438af969SSara Sharon ieee80211_hw_set(hw, TX_FRAG_LIST); 414ecaf71deSGregory Greenman 4154243edb4SEmmanuel Grumbach if (iwl_mvm_has_tlc_offload(mvm)) { 416ecaf71deSGregory Greenman ieee80211_hw_set(hw, TX_AMPDU_SETUP_IN_HW); 417ecaf71deSGregory Greenman ieee80211_hw_set(hw, HAS_RATE_CONTROL); 418ecaf71deSGregory Greenman } 419ecaf71deSGregory Greenman 420b915c101SSara Sharon if (iwl_mvm_has_new_rx_api(mvm)) 421b915c101SSara Sharon ieee80211_hw_set(hw, SUPPORTS_REORDERING_BUFFER); 422960f864bSJohannes Berg 423960f864bSJohannes Berg if (fw_has_capa(&mvm->fw->ucode_capa, 424960f864bSJohannes Berg IWL_UCODE_TLV_CAPA_STA_PM_NOTIF)) { 42565e25482SJohannes Berg ieee80211_hw_set(hw, AP_LINK_PS); 426960f864bSJohannes Berg } else if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) { 427960f864bSJohannes Berg /* 428960f864bSJohannes Berg * we absolutely need this for the new TX API since that comes 429960f864bSJohannes Berg * with many more queues than the current code can deal with 430960f864bSJohannes Berg * for station powersave 431960f864bSJohannes Berg */ 432960f864bSJohannes Berg return -EINVAL; 433960f864bSJohannes Berg } 434e705c121SKalle Valo 43580938abcSJohannes Berg if (mvm->trans->num_rx_queues > 1) 43680938abcSJohannes Berg ieee80211_hw_set(hw, USES_RSS); 43780938abcSJohannes Berg 4382d7cf549SJohannes Berg if (mvm->trans->max_skb_frags) 4392d7cf549SJohannes Berg hw->netdev_features = NETIF_F_HIGHDMA | NETIF_F_SG; 4402d7cf549SJohannes Berg 441cf961e16SLiad Kaufman hw->queues = IEEE80211_MAX_QUEUES; 442e705c121SKalle Valo hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE; 443e705c121SKalle Valo hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FEC | 444e705c121SKalle Valo IEEE80211_RADIOTAP_MCS_HAVE_STBC; 445e705c121SKalle Valo hw->radiotap_vht_details |= IEEE80211_RADIOTAP_VHT_KNOWN_STBC | 446e705c121SKalle Valo IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED; 447371a17edSJohannes Berg 448371a17edSJohannes Berg hw->radiotap_timestamp.units_pos = 449371a17edSJohannes Berg IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US | 450371a17edSJohannes Berg IEEE80211_RADIOTAP_TIMESTAMP_SPOS_PLCP_SIG_ACQ; 451371a17edSJohannes Berg /* this is the case for CCK frames, it's better (only 8) for OFDM */ 452371a17edSJohannes Berg hw->radiotap_timestamp.accuracy = 22; 453371a17edSJohannes Berg 4544243edb4SEmmanuel Grumbach if (!iwl_mvm_has_tlc_offload(mvm)) 4559f66a397SGregory Greenman hw->rate_control_algorithm = RS_NAME; 4569f66a397SGregory Greenman 457e705c121SKalle Valo hw->uapsd_queues = IWL_MVM_UAPSD_QUEUES; 458e705c121SKalle Valo hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP; 459438af969SSara Sharon hw->max_tx_fragments = mvm->trans->max_skb_frags; 460e705c121SKalle Valo 4618e160ab8SAyala Beker BUILD_BUG_ON(ARRAY_SIZE(mvm->ciphers) < ARRAY_SIZE(mvm_ciphers) + 6); 462e705c121SKalle Valo memcpy(mvm->ciphers, mvm_ciphers, sizeof(mvm_ciphers)); 463e705c121SKalle Valo hw->wiphy->n_cipher_suites = ARRAY_SIZE(mvm_ciphers); 464e705c121SKalle Valo hw->wiphy->cipher_suites = mvm->ciphers; 465e705c121SKalle Valo 4662a53d166SAyala Beker if (iwl_mvm_has_new_rx_api(mvm)) { 4672a53d166SAyala Beker mvm->ciphers[hw->wiphy->n_cipher_suites] = 4682a53d166SAyala Beker WLAN_CIPHER_SUITE_GCMP; 4692a53d166SAyala Beker hw->wiphy->n_cipher_suites++; 4702a53d166SAyala Beker mvm->ciphers[hw->wiphy->n_cipher_suites] = 4712a53d166SAyala Beker WLAN_CIPHER_SUITE_GCMP_256; 4722a53d166SAyala Beker hw->wiphy->n_cipher_suites++; 4732a53d166SAyala Beker } 4742a53d166SAyala Beker 4754b87e5afSLuca Coelho /* Enable 11w if software crypto is not enabled (as the 4764b87e5afSLuca Coelho * firmware will interpret some mgmt packets, so enabling it 4774b87e5afSLuca Coelho * with software crypto isn't safe). 478e705c121SKalle Valo */ 4793b37f4c9SJohannes Berg if (!iwlwifi_mod_params.swcrypto) { 480e705c121SKalle Valo ieee80211_hw_set(hw, MFP_CAPABLE); 481e705c121SKalle Valo mvm->ciphers[hw->wiphy->n_cipher_suites] = 482e705c121SKalle Valo WLAN_CIPHER_SUITE_AES_CMAC; 483e705c121SKalle Valo hw->wiphy->n_cipher_suites++; 4848e160ab8SAyala Beker if (iwl_mvm_has_new_rx_api(mvm)) { 4858e160ab8SAyala Beker mvm->ciphers[hw->wiphy->n_cipher_suites] = 4868e160ab8SAyala Beker WLAN_CIPHER_SUITE_BIP_GMAC_128; 4878e160ab8SAyala Beker hw->wiphy->n_cipher_suites++; 4888e160ab8SAyala Beker mvm->ciphers[hw->wiphy->n_cipher_suites] = 4898e160ab8SAyala Beker WLAN_CIPHER_SUITE_BIP_GMAC_256; 4908e160ab8SAyala Beker hw->wiphy->n_cipher_suites++; 4918e160ab8SAyala Beker } 492e705c121SKalle Valo } 493e705c121SKalle Valo 494e705c121SKalle Valo /* currently FW API supports only one optional cipher scheme */ 495e705c121SKalle Valo if (mvm->fw->cs[0].cipher) { 49624ddddf3SJohannes Berg const struct iwl_fw_cipher_scheme *fwcs = &mvm->fw->cs[0]; 49724ddddf3SJohannes Berg struct ieee80211_cipher_scheme *cs = &mvm->cs[0]; 49824ddddf3SJohannes Berg 499e705c121SKalle Valo mvm->hw->n_cipher_schemes = 1; 50024ddddf3SJohannes Berg 50124ddddf3SJohannes Berg cs->cipher = le32_to_cpu(fwcs->cipher); 50224ddddf3SJohannes Berg cs->iftype = BIT(NL80211_IFTYPE_STATION); 50324ddddf3SJohannes Berg cs->hdr_len = fwcs->hdr_len; 50424ddddf3SJohannes Berg cs->pn_len = fwcs->pn_len; 50524ddddf3SJohannes Berg cs->pn_off = fwcs->pn_off; 50624ddddf3SJohannes Berg cs->key_idx_off = fwcs->key_idx_off; 50724ddddf3SJohannes Berg cs->key_idx_mask = fwcs->key_idx_mask; 50824ddddf3SJohannes Berg cs->key_idx_shift = fwcs->key_idx_shift; 50924ddddf3SJohannes Berg cs->mic_len = fwcs->mic_len; 51024ddddf3SJohannes Berg 51124ddddf3SJohannes Berg mvm->hw->cipher_schemes = mvm->cs; 51224ddddf3SJohannes Berg mvm->ciphers[hw->wiphy->n_cipher_suites] = cs->cipher; 513e705c121SKalle Valo hw->wiphy->n_cipher_suites++; 514e705c121SKalle Valo } 515e705c121SKalle Valo 516b73f9a4aSJohannes Berg if (fw_has_capa(&mvm->fw->ucode_capa, 517fc36ffdaSJohannes Berg IWL_UCODE_TLV_CAPA_FTM_CALIBRATED)) { 518b73f9a4aSJohannes Berg wiphy_ext_feature_set(hw->wiphy, 519b73f9a4aSJohannes Berg NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER); 520fc36ffdaSJohannes Berg hw->wiphy->pmsr_capa = &iwl_mvm_pmsr_capa; 521fc36ffdaSJohannes Berg } 522b73f9a4aSJohannes Berg 523e705c121SKalle Valo ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS); 524e705c121SKalle Valo hw->wiphy->features |= 525e705c121SKalle Valo NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR | 526e705c121SKalle Valo NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR | 527e705c121SKalle Valo NL80211_FEATURE_ND_RANDOM_MAC_ADDR; 528e705c121SKalle Valo 529e705c121SKalle Valo hw->sta_data_size = sizeof(struct iwl_mvm_sta); 530e705c121SKalle Valo hw->vif_data_size = sizeof(struct iwl_mvm_vif); 531e705c121SKalle Valo hw->chanctx_data_size = sizeof(u16); 532cfbc6c4cSSara Sharon hw->txq_data_size = sizeof(struct iwl_mvm_txq); 533e705c121SKalle Valo 534e705c121SKalle Valo hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 535e705c121SKalle Valo BIT(NL80211_IFTYPE_P2P_CLIENT) | 536e705c121SKalle Valo BIT(NL80211_IFTYPE_AP) | 537e705c121SKalle Valo BIT(NL80211_IFTYPE_P2P_GO) | 538e705c121SKalle Valo BIT(NL80211_IFTYPE_P2P_DEVICE) | 539e705c121SKalle Valo BIT(NL80211_IFTYPE_ADHOC); 540e705c121SKalle Valo 541e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; 542e47df5bdSJohannes Berg wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_VHT_IBSS); 543e47df5bdSJohannes Berg hw->wiphy->features |= NL80211_FEATURE_HT_IBSS; 544e47df5bdSJohannes Berg 545e705c121SKalle Valo hw->wiphy->regulatory_flags |= REGULATORY_ENABLE_RELAX_NO_IR; 546e705c121SKalle Valo if (iwl_mvm_is_lar_supported(mvm)) 547e705c121SKalle Valo hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED; 548e705c121SKalle Valo else 549e705c121SKalle Valo hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG | 550e705c121SKalle Valo REGULATORY_DISABLE_BEACON_HINTS; 551e705c121SKalle Valo 552e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD; 553e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; 554e705c121SKalle Valo 555e705c121SKalle Valo hw->wiphy->iface_combinations = iwl_mvm_iface_combinations; 556e705c121SKalle Valo hw->wiphy->n_iface_combinations = 557e705c121SKalle Valo ARRAY_SIZE(iwl_mvm_iface_combinations); 558e705c121SKalle Valo 559e705c121SKalle Valo hw->wiphy->max_remain_on_channel_duration = 10000; 560e705c121SKalle Valo hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL; 561e705c121SKalle Valo 562e705c121SKalle Valo /* Extract MAC address */ 563e705c121SKalle Valo memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN); 564e705c121SKalle Valo hw->wiphy->addresses = mvm->addresses; 565e705c121SKalle Valo hw->wiphy->n_addresses = 1; 566e705c121SKalle Valo 567e705c121SKalle Valo /* Extract additional MAC addresses if available */ 568e705c121SKalle Valo num_mac = (mvm->nvm_data->n_hw_addrs > 1) ? 569e705c121SKalle Valo min(IWL_MVM_MAX_ADDRESSES, mvm->nvm_data->n_hw_addrs) : 1; 570e705c121SKalle Valo 571e705c121SKalle Valo for (i = 1; i < num_mac; i++) { 572e705c121SKalle Valo memcpy(mvm->addresses[i].addr, mvm->addresses[i-1].addr, 573e705c121SKalle Valo ETH_ALEN); 574e705c121SKalle Valo mvm->addresses[i].addr[5]++; 575e705c121SKalle Valo hw->wiphy->n_addresses++; 576e705c121SKalle Valo } 577e705c121SKalle Valo 578e705c121SKalle Valo iwl_mvm_reset_phy_ctxts(mvm); 579e705c121SKalle Valo 580e705c121SKalle Valo hw->wiphy->max_scan_ie_len = iwl_mvm_max_scan_ie_len(mvm); 581e705c121SKalle Valo 582e705c121SKalle Valo hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX; 583e705c121SKalle Valo 584e705c121SKalle Valo BUILD_BUG_ON(IWL_MVM_SCAN_STOPPING_MASK & IWL_MVM_SCAN_MASK); 585e705c121SKalle Valo BUILD_BUG_ON(IWL_MVM_MAX_UMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK) || 586e705c121SKalle Valo IWL_MVM_MAX_LMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK)); 587e705c121SKalle Valo 588e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 589e705c121SKalle Valo mvm->max_scans = IWL_MVM_MAX_UMAC_SCANS; 590e705c121SKalle Valo else 591e705c121SKalle Valo mvm->max_scans = IWL_MVM_MAX_LMAC_SCANS; 592e705c121SKalle Valo 59357fbcce3SJohannes Berg if (mvm->nvm_data->bands[NL80211_BAND_2GHZ].n_channels) 59457fbcce3SJohannes Berg hw->wiphy->bands[NL80211_BAND_2GHZ] = 59557fbcce3SJohannes Berg &mvm->nvm_data->bands[NL80211_BAND_2GHZ]; 59657fbcce3SJohannes Berg if (mvm->nvm_data->bands[NL80211_BAND_5GHZ].n_channels) { 59757fbcce3SJohannes Berg hw->wiphy->bands[NL80211_BAND_5GHZ] = 59857fbcce3SJohannes Berg &mvm->nvm_data->bands[NL80211_BAND_5GHZ]; 599e705c121SKalle Valo 600e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 601e705c121SKalle Valo IWL_UCODE_TLV_CAPA_BEAMFORMER) && 602e705c121SKalle Valo fw_has_api(&mvm->fw->ucode_capa, 603e705c121SKalle Valo IWL_UCODE_TLV_API_LQ_SS_PARAMS)) 60457fbcce3SJohannes Berg hw->wiphy->bands[NL80211_BAND_5GHZ]->vht_cap.cap |= 605e705c121SKalle Valo IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE; 606e705c121SKalle Valo } 607e705c121SKalle Valo 608e705c121SKalle Valo hw->wiphy->hw_version = mvm->trans->hw_id; 609e705c121SKalle Valo 610e705c121SKalle Valo if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM) 611e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; 612e705c121SKalle Valo else 613e705c121SKalle Valo hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; 614e705c121SKalle Valo 615ca986ad9SArend Van Spriel hw->wiphy->max_sched_scan_reqs = 1; 616e705c121SKalle Valo hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX; 617e705c121SKalle Valo hw->wiphy->max_match_sets = IWL_SCAN_MAX_PROFILES; 618e705c121SKalle Valo /* we create the 802.11 header and zero length SSID IE. */ 619e705c121SKalle Valo hw->wiphy->max_sched_scan_ie_len = 620e705c121SKalle Valo SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2; 621e705c121SKalle Valo hw->wiphy->max_sched_scan_plans = IWL_MAX_SCHED_SCAN_PLANS; 622e705c121SKalle Valo hw->wiphy->max_sched_scan_plan_interval = U16_MAX; 623e705c121SKalle Valo 624e705c121SKalle Valo /* 625e705c121SKalle Valo * the firmware uses u8 for num of iterations, but 0xff is saved for 626e705c121SKalle Valo * infinite loop, so the maximum number of iterations is actually 254. 627e705c121SKalle Valo */ 628e705c121SKalle Valo hw->wiphy->max_sched_scan_plan_iterations = 254; 629e705c121SKalle Valo 630e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN | 631e705c121SKalle Valo NL80211_FEATURE_LOW_PRIORITY_SCAN | 632e705c121SKalle Valo NL80211_FEATURE_P2P_GO_OPPPS | 633a904a08bSPeer, Ilan NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE | 634e705c121SKalle Valo NL80211_FEATURE_DYNAMIC_SMPS | 635e705c121SKalle Valo NL80211_FEATURE_STATIC_SMPS | 636e705c121SKalle Valo NL80211_FEATURE_SUPPORTS_WMM_ADMISSION; 637e705c121SKalle Valo 638e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 639e705c121SKalle Valo IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT)) 640e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_TX_POWER_INSERTION; 641e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 642e705c121SKalle Valo IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT)) 643e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_QUIET; 644e705c121SKalle Valo 645e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 646e705c121SKalle Valo IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT)) 647e705c121SKalle Valo hw->wiphy->features |= 648e705c121SKalle Valo NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES; 649e705c121SKalle Valo 650e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 651e705c121SKalle Valo IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT)) 652e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_WFA_TPC_IE_IN_PROBES; 653e705c121SKalle Valo 654aacf8f18SAvrahams Stern if (fw_has_api(&mvm->fw->ucode_capa, 655aacf8f18SAvrahams Stern IWL_UCODE_TLV_API_SCAN_TSF_REPORT)) { 656aacf8f18SAvrahams Stern wiphy_ext_feature_set(hw->wiphy, 657aacf8f18SAvrahams Stern NL80211_EXT_FEATURE_SCAN_START_TIME); 658aacf8f18SAvrahams Stern wiphy_ext_feature_set(hw->wiphy, 659aacf8f18SAvrahams Stern NL80211_EXT_FEATURE_BSS_PARENT_TSF); 660aacf8f18SAvrahams Stern wiphy_ext_feature_set(hw->wiphy, 661aacf8f18SAvrahams Stern NL80211_EXT_FEATURE_SET_SCAN_DWELL); 662aacf8f18SAvrahams Stern } 663aacf8f18SAvrahams Stern 6648f691af9SZamir, Roee if (iwl_mvm_is_oce_supported(mvm)) { 6658f691af9SZamir, Roee wiphy_ext_feature_set(hw->wiphy, 6668f691af9SZamir, Roee NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP); 6678f691af9SZamir, Roee wiphy_ext_feature_set(hw->wiphy, 6688f691af9SZamir, Roee NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME); 6698f691af9SZamir, Roee wiphy_ext_feature_set(hw->wiphy, 6708f691af9SZamir, Roee NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION); 6718f691af9SZamir, Roee wiphy_ext_feature_set(hw->wiphy, 6728f691af9SZamir, Roee NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE); 6738f691af9SZamir, Roee } 6748f691af9SZamir, Roee 6757360f99eSEmmanuel Grumbach if (mvm->nvm_data->sku_cap_11ax_enable && 6767360f99eSEmmanuel Grumbach !iwlwifi_mod_params.disable_11ax) { 6777360f99eSEmmanuel Grumbach hw->wiphy->iftype_ext_capab = he_iftypes_ext_capa; 6787360f99eSEmmanuel Grumbach hw->wiphy->num_iftype_ext_capab = 6797360f99eSEmmanuel Grumbach ARRAY_SIZE(he_iftypes_ext_capa); 680918cbf39SSara Sharon 681918cbf39SSara Sharon ieee80211_hw_set(hw, SUPPORTS_MULTI_BSSID); 682918cbf39SSara Sharon ieee80211_hw_set(hw, SUPPORTS_ONLY_HE_MULTI_BSSID); 6837360f99eSEmmanuel Grumbach } 6847360f99eSEmmanuel Grumbach 685e705c121SKalle Valo mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD; 686e705c121SKalle Valo 687e705c121SKalle Valo #ifdef CONFIG_PM_SLEEP 6883f37c229SIdo Yariv if ((unified || mvm->fw->img[IWL_UCODE_WOWLAN].num_sec) && 689e705c121SKalle Valo mvm->trans->ops->d3_suspend && 690e705c121SKalle Valo mvm->trans->ops->d3_resume && 691e705c121SKalle Valo device_can_wakeup(mvm->trans->dev)) { 692e705c121SKalle Valo mvm->wowlan.flags |= WIPHY_WOWLAN_MAGIC_PKT | 693e705c121SKalle Valo WIPHY_WOWLAN_DISCONNECT | 694e705c121SKalle Valo WIPHY_WOWLAN_EAP_IDENTITY_REQ | 695e705c121SKalle Valo WIPHY_WOWLAN_RFKILL_RELEASE | 696e705c121SKalle Valo WIPHY_WOWLAN_NET_DETECT; 6973b37f4c9SJohannes Berg if (!iwlwifi_mod_params.swcrypto) 698e705c121SKalle Valo mvm->wowlan.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | 699e705c121SKalle Valo WIPHY_WOWLAN_GTK_REKEY_FAILURE | 700e705c121SKalle Valo WIPHY_WOWLAN_4WAY_HANDSHAKE; 701e705c121SKalle Valo 702e705c121SKalle Valo mvm->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS; 703e705c121SKalle Valo mvm->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN; 704e705c121SKalle Valo mvm->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN; 705e705c121SKalle Valo mvm->wowlan.max_nd_match_sets = IWL_SCAN_MAX_PROFILES; 706e705c121SKalle Valo hw->wiphy->wowlan = &mvm->wowlan; 707e705c121SKalle Valo } 708e705c121SKalle Valo #endif 709e705c121SKalle Valo 710e705c121SKalle Valo #ifdef CONFIG_IWLWIFI_BCAST_FILTERING 711e705c121SKalle Valo /* assign default bcast filtering configuration */ 712e705c121SKalle Valo mvm->bcast_filters = iwl_mvm_default_bcast_filters; 713e705c121SKalle Valo #endif 714e705c121SKalle Valo 715e705c121SKalle Valo ret = iwl_mvm_leds_init(mvm); 716e705c121SKalle Valo if (ret) 717e705c121SKalle Valo return ret; 718e705c121SKalle Valo 719e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 720e705c121SKalle Valo IWL_UCODE_TLV_CAPA_TDLS_SUPPORT)) { 721e705c121SKalle Valo IWL_DEBUG_TDLS(mvm, "TDLS supported\n"); 722e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS; 723e705c121SKalle Valo ieee80211_hw_set(hw, TDLS_WIDER_BW); 724e705c121SKalle Valo } 725e705c121SKalle Valo 726e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 727e705c121SKalle Valo IWL_UCODE_TLV_CAPA_TDLS_CHANNEL_SWITCH)) { 728e705c121SKalle Valo IWL_DEBUG_TDLS(mvm, "TDLS channel switch supported\n"); 729e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH; 730e705c121SKalle Valo } 731e705c121SKalle Valo 732e705c121SKalle Valo hw->netdev_features |= mvm->cfg->features; 7335e6a98dcSSara Sharon if (!iwl_mvm_is_csum_supported(mvm)) { 7345e6a98dcSSara Sharon hw->netdev_features &= ~(IWL_TX_CSUM_NETIF_FLAGS | 7355e6a98dcSSara Sharon NETIF_F_RXCSUM); 7365e6a98dcSSara Sharon /* We may support SW TX CSUM */ 73741837ca9SEmmanuel Grumbach if (IWL_MVM_SW_TX_CSUM_OFFLOAD) 7385e6a98dcSSara Sharon hw->netdev_features |= IWL_TX_CSUM_NETIF_FLAGS; 7395e6a98dcSSara Sharon } 74041837ca9SEmmanuel Grumbach 74191b08c2dSAviya Erenfeld if (mvm->cfg->vht_mu_mimo_supported) 74291b08c2dSAviya Erenfeld wiphy_ext_feature_set(hw->wiphy, 74391b08c2dSAviya Erenfeld NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER); 74491b08c2dSAviya Erenfeld 745e8503aecSBen Greear hw->wiphy->available_antennas_tx = iwl_mvm_get_valid_tx_ant(mvm); 746e8503aecSBen Greear hw->wiphy->available_antennas_rx = iwl_mvm_get_valid_rx_ant(mvm); 747e8503aecSBen Greear 748de645e89SJohannes Berg ret = ieee80211_register_hw(mvm->hw); 749de645e89SJohannes Berg if (ret) { 750de645e89SJohannes Berg iwl_mvm_leds_exit(mvm); 751e705c121SKalle Valo } 752e705c121SKalle Valo 753e705c121SKalle Valo return ret; 754e705c121SKalle Valo } 755e705c121SKalle Valo 756df2378abSJohannes Berg static void iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb, 757df2378abSJohannes Berg struct ieee80211_sta *sta) 758df2378abSJohannes Berg { 759df2378abSJohannes Berg if (likely(sta)) { 760df2378abSJohannes Berg if (likely(iwl_mvm_tx_skb_sta(mvm, skb, sta) == 0)) 761df2378abSJohannes Berg return; 762df2378abSJohannes Berg } else { 763df2378abSJohannes Berg if (likely(iwl_mvm_tx_skb_non_sta(mvm, skb) == 0)) 764df2378abSJohannes Berg return; 765df2378abSJohannes Berg } 766df2378abSJohannes Berg 767df2378abSJohannes Berg ieee80211_free_txskb(mvm->hw, skb); 768df2378abSJohannes Berg } 769df2378abSJohannes Berg 770e705c121SKalle Valo static void iwl_mvm_mac_tx(struct ieee80211_hw *hw, 771e705c121SKalle Valo struct ieee80211_tx_control *control, 772e705c121SKalle Valo struct sk_buff *skb) 773e705c121SKalle Valo { 774e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 775e705c121SKalle Valo struct ieee80211_sta *sta = control->sta; 776e705c121SKalle Valo struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 777e705c121SKalle Valo struct ieee80211_hdr *hdr = (void *)skb->data; 778cfbc6c4cSSara Sharon bool offchannel = IEEE80211_SKB_CB(skb)->flags & 779cfbc6c4cSSara Sharon IEEE80211_TX_CTL_TX_OFFCHAN; 780e705c121SKalle Valo 781e705c121SKalle Valo if (iwl_mvm_is_radio_killed(mvm)) { 782e705c121SKalle Valo IWL_DEBUG_DROP(mvm, "Dropping - RF/CT KILL\n"); 783e705c121SKalle Valo goto drop; 784e705c121SKalle Valo } 785e705c121SKalle Valo 786cfbc6c4cSSara Sharon if (offchannel && 787e705c121SKalle Valo !test_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status) && 788e705c121SKalle Valo !test_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status)) 789e705c121SKalle Valo goto drop; 790e705c121SKalle Valo 791eb045e6eSDavid Spinadel /* treat non-bufferable MMPDUs on AP interfaces as broadcast */ 792eb045e6eSDavid Spinadel if ((info->control.vif->type == NL80211_IFTYPE_AP || 793eb045e6eSDavid Spinadel info->control.vif->type == NL80211_IFTYPE_ADHOC) && 794e705c121SKalle Valo ieee80211_is_mgmt(hdr->frame_control) && 795eb045e6eSDavid Spinadel !ieee80211_is_bufferable_mmpdu(hdr->frame_control)) 796e705c121SKalle Valo sta = NULL; 797e705c121SKalle Valo 798dc1aca22SAndrei Otcheretianski /* If there is no sta, and it's not offchannel - send through AP */ 799cfbc6c4cSSara Sharon if (!sta && info->control.vif->type == NL80211_IFTYPE_STATION && 800cfbc6c4cSSara Sharon !offchannel) { 801dc1aca22SAndrei Otcheretianski struct iwl_mvm_vif *mvmvif = 802dc1aca22SAndrei Otcheretianski iwl_mvm_vif_from_mac80211(info->control.vif); 803dc1aca22SAndrei Otcheretianski u8 ap_sta_id = READ_ONCE(mvmvif->ap_sta_id); 804dc1aca22SAndrei Otcheretianski 805dc1aca22SAndrei Otcheretianski if (ap_sta_id < IWL_MVM_STATION_COUNT) { 806dc1aca22SAndrei Otcheretianski /* mac80211 holds rcu read lock */ 807dc1aca22SAndrei Otcheretianski sta = rcu_dereference(mvm->fw_id_to_mac_id[ap_sta_id]); 808dc1aca22SAndrei Otcheretianski if (IS_ERR_OR_NULL(sta)) 809dc1aca22SAndrei Otcheretianski goto drop; 810dc1aca22SAndrei Otcheretianski } 811dc1aca22SAndrei Otcheretianski } 812dc1aca22SAndrei Otcheretianski 813df2378abSJohannes Berg iwl_mvm_tx_skb(mvm, skb, sta); 814e705c121SKalle Valo return; 815e705c121SKalle Valo drop: 816e705c121SKalle Valo ieee80211_free_txskb(hw, skb); 817e705c121SKalle Valo } 818e705c121SKalle Valo 819cfbc6c4cSSara Sharon void iwl_mvm_mac_itxq_xmit(struct ieee80211_hw *hw, struct ieee80211_txq *txq) 820e705c121SKalle Valo { 821cfbc6c4cSSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 822cfbc6c4cSSara Sharon struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq); 823cfbc6c4cSSara Sharon struct sk_buff *skb = NULL; 824cfbc6c4cSSara Sharon 825fba8248eSSara Sharon /* 826fba8248eSSara Sharon * No need for threads to be pending here, they can leave the first 827fba8248eSSara Sharon * taker all the work. 828fba8248eSSara Sharon * 829fba8248eSSara Sharon * mvmtxq->tx_request logic: 830fba8248eSSara Sharon * 831fba8248eSSara Sharon * If 0, no one is currently TXing, set to 1 to indicate current thread 832fba8248eSSara Sharon * will now start TX and other threads should quit. 833fba8248eSSara Sharon * 834fba8248eSSara Sharon * If 1, another thread is currently TXing, set to 2 to indicate to 835fba8248eSSara Sharon * that thread that there was another request. Since that request may 836fba8248eSSara Sharon * have raced with the check whether the queue is empty, the TXing 837fba8248eSSara Sharon * thread should check the queue's status one more time before leaving. 838fba8248eSSara Sharon * This check is done in order to not leave any TX hanging in the queue 839fba8248eSSara Sharon * until the next TX invocation (which may not even happen). 840fba8248eSSara Sharon * 841fba8248eSSara Sharon * If 2, another thread is currently TXing, and it will already double 842fba8248eSSara Sharon * check the queue, so do nothing. 843fba8248eSSara Sharon */ 844fba8248eSSara Sharon if (atomic_fetch_add_unless(&mvmtxq->tx_request, 1, 2)) 845fba8248eSSara Sharon return; 846cfbc6c4cSSara Sharon 847cfbc6c4cSSara Sharon rcu_read_lock(); 848fba8248eSSara Sharon do { 849cfbc6c4cSSara Sharon while (likely(!mvmtxq->stopped && 850cfbc6c4cSSara Sharon (mvm->trans->system_pm_mode == 851cfbc6c4cSSara Sharon IWL_PLAT_PM_MODE_DISABLED))) { 852cfbc6c4cSSara Sharon skb = ieee80211_tx_dequeue(hw, txq); 853cfbc6c4cSSara Sharon 854f50d693bSSara Sharon if (!skb) { 855f50d693bSSara Sharon if (txq->sta) 856f50d693bSSara Sharon IWL_DEBUG_TX(mvm, 857f50d693bSSara Sharon "TXQ of sta %pM tid %d is now empty\n", 858f50d693bSSara Sharon txq->sta->addr, 859f50d693bSSara Sharon txq->tid); 860cfbc6c4cSSara Sharon break; 861f50d693bSSara Sharon } 862cfbc6c4cSSara Sharon 863cfbc6c4cSSara Sharon iwl_mvm_tx_skb(mvm, skb, txq->sta); 864cfbc6c4cSSara Sharon } 865fba8248eSSara Sharon } while (atomic_dec_return(&mvmtxq->tx_request)); 866cfbc6c4cSSara Sharon rcu_read_unlock(); 867e705c121SKalle Valo } 868e705c121SKalle Valo 869cfbc6c4cSSara Sharon static void iwl_mvm_mac_wake_tx_queue(struct ieee80211_hw *hw, 870cfbc6c4cSSara Sharon struct ieee80211_txq *txq) 871e705c121SKalle Valo { 872cfbc6c4cSSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 873cfbc6c4cSSara Sharon struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq); 874e705c121SKalle Valo 875cfbc6c4cSSara Sharon /* 876cfbc6c4cSSara Sharon * Please note that racing is handled very carefully here: 877cfbc6c4cSSara Sharon * mvmtxq->txq_id is updated during allocation, and mvmtxq->list is 878cfbc6c4cSSara Sharon * deleted afterwards. 879cfbc6c4cSSara Sharon * This means that if: 880cfbc6c4cSSara Sharon * mvmtxq->txq_id != INVALID_QUEUE && list_empty(&mvmtxq->list): 881cfbc6c4cSSara Sharon * queue is allocated and we can TX. 882cfbc6c4cSSara Sharon * mvmtxq->txq_id != INVALID_QUEUE && !list_empty(&mvmtxq->list): 883cfbc6c4cSSara Sharon * a race, should defer the frame. 884cfbc6c4cSSara Sharon * mvmtxq->txq_id == INVALID_QUEUE && list_empty(&mvmtxq->list): 885cfbc6c4cSSara Sharon * need to allocate the queue and defer the frame. 886cfbc6c4cSSara Sharon * mvmtxq->txq_id == INVALID_QUEUE && !list_empty(&mvmtxq->list): 887cfbc6c4cSSara Sharon * queue is already scheduled for allocation, no need to allocate, 888cfbc6c4cSSara Sharon * should defer the frame. 889cfbc6c4cSSara Sharon */ 890cfbc6c4cSSara Sharon 891cfbc6c4cSSara Sharon /* If the queue is allocated TX and return. */ 892cfbc6c4cSSara Sharon if (!txq->sta || mvmtxq->txq_id != IWL_MVM_INVALID_QUEUE) { 893cfbc6c4cSSara Sharon /* 894cfbc6c4cSSara Sharon * Check that list is empty to avoid a race where txq_id is 895cfbc6c4cSSara Sharon * already updated, but the queue allocation work wasn't 896cfbc6c4cSSara Sharon * finished 897cfbc6c4cSSara Sharon */ 898cfbc6c4cSSara Sharon if (unlikely(txq->sta && !list_empty(&mvmtxq->list))) 899cfbc6c4cSSara Sharon return; 900cfbc6c4cSSara Sharon 901cfbc6c4cSSara Sharon iwl_mvm_mac_itxq_xmit(hw, txq); 902cfbc6c4cSSara Sharon return; 903cfbc6c4cSSara Sharon } 904cfbc6c4cSSara Sharon 905cfbc6c4cSSara Sharon /* The list is being deleted only after the queue is fully allocated. */ 906cfbc6c4cSSara Sharon if (!list_empty(&mvmtxq->list)) 907cfbc6c4cSSara Sharon return; 908cfbc6c4cSSara Sharon 909cfbc6c4cSSara Sharon list_add_tail(&mvmtxq->list, &mvm->add_stream_txqs); 910cfbc6c4cSSara Sharon schedule_work(&mvm->add_stream_wk); 911e705c121SKalle Valo } 912e705c121SKalle Valo 913e705c121SKalle Valo #define CHECK_BA_TRIGGER(_mvm, _trig, _tid_bm, _tid, _fmt...) \ 914e705c121SKalle Valo do { \ 915e705c121SKalle Valo if (!(le16_to_cpu(_tid_bm) & BIT(_tid))) \ 916e705c121SKalle Valo break; \ 9177174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&(_mvm)->fwrt, _trig, _fmt); \ 918e705c121SKalle Valo } while (0) 919e705c121SKalle Valo 920e705c121SKalle Valo static void 921e705c121SKalle Valo iwl_mvm_ampdu_check_trigger(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 922e705c121SKalle Valo struct ieee80211_sta *sta, u16 tid, u16 rx_ba_ssn, 923e705c121SKalle Valo enum ieee80211_ampdu_mlme_action action) 924e705c121SKalle Valo { 925e705c121SKalle Valo struct iwl_fw_dbg_trigger_tlv *trig; 926e705c121SKalle Valo struct iwl_fw_dbg_trigger_ba *ba_trig; 927e705c121SKalle Valo 9286c042d75SSara Sharon trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 9296c042d75SSara Sharon FW_DBG_TRIGGER_BA); 9306c042d75SSara Sharon if (!trig) 931e705c121SKalle Valo return; 932e705c121SKalle Valo 933e705c121SKalle Valo ba_trig = (void *)trig->data; 934e705c121SKalle Valo 935e705c121SKalle Valo switch (action) { 936e705c121SKalle Valo case IEEE80211_AMPDU_TX_OPERATIONAL: { 937e705c121SKalle Valo struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 938e705c121SKalle Valo struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 939e705c121SKalle Valo 940e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_start, tid, 941e705c121SKalle Valo "TX AGG START: MAC %pM tid %d ssn %d\n", 942e705c121SKalle Valo sta->addr, tid, tid_data->ssn); 943e705c121SKalle Valo break; 944e705c121SKalle Valo } 945e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_CONT: 946e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_stop, tid, 947e705c121SKalle Valo "TX AGG STOP: MAC %pM tid %d\n", 948e705c121SKalle Valo sta->addr, tid); 949e705c121SKalle Valo break; 950e705c121SKalle Valo case IEEE80211_AMPDU_RX_START: 951e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_start, tid, 952e705c121SKalle Valo "RX AGG START: MAC %pM tid %d ssn %d\n", 953e705c121SKalle Valo sta->addr, tid, rx_ba_ssn); 954e705c121SKalle Valo break; 955e705c121SKalle Valo case IEEE80211_AMPDU_RX_STOP: 956e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_stop, tid, 957e705c121SKalle Valo "RX AGG STOP: MAC %pM tid %d\n", 958e705c121SKalle Valo sta->addr, tid); 959e705c121SKalle Valo break; 960e705c121SKalle Valo default: 961e705c121SKalle Valo break; 962e705c121SKalle Valo } 963e705c121SKalle Valo } 964e705c121SKalle Valo 965e705c121SKalle Valo static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw, 966e705c121SKalle Valo struct ieee80211_vif *vif, 96750ea05efSSara Sharon struct ieee80211_ampdu_params *params) 968e705c121SKalle Valo { 969e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 970e705c121SKalle Valo int ret; 97150ea05efSSara Sharon struct ieee80211_sta *sta = params->sta; 97250ea05efSSara Sharon enum ieee80211_ampdu_mlme_action action = params->action; 97350ea05efSSara Sharon u16 tid = params->tid; 97450ea05efSSara Sharon u16 *ssn = ¶ms->ssn; 975514c3069SLuca Coelho u16 buf_size = params->buf_size; 976bb81bb68SEmmanuel Grumbach bool amsdu = params->amsdu; 97710b2b201SSara Sharon u16 timeout = params->timeout; 978e705c121SKalle Valo 979e705c121SKalle Valo IWL_DEBUG_HT(mvm, "A-MPDU action on addr %pM tid %d: action %d\n", 980e705c121SKalle Valo sta->addr, tid, action); 981e705c121SKalle Valo 982e705c121SKalle Valo if (!(mvm->nvm_data->sku_cap_11n_enable)) 983e705c121SKalle Valo return -EACCES; 984e705c121SKalle Valo 985e705c121SKalle Valo mutex_lock(&mvm->mutex); 986e705c121SKalle Valo 987e705c121SKalle Valo switch (action) { 988e705c121SKalle Valo case IEEE80211_AMPDU_RX_START: 989b0ffe455SJohannes Berg if (iwl_mvm_vif_from_mac80211(vif)->ap_sta_id == 990b0ffe455SJohannes Berg iwl_mvm_sta_from_mac80211(sta)->sta_id) { 991b0ffe455SJohannes Berg struct iwl_mvm_vif *mvmvif; 992b0ffe455SJohannes Berg u16 macid = iwl_mvm_vif_from_mac80211(vif)->id; 993b0ffe455SJohannes Berg struct iwl_mvm_tcm_mac *mdata = &mvm->tcm.data[macid]; 994b0ffe455SJohannes Berg 995b0ffe455SJohannes Berg mdata->opened_rx_ba_sessions = true; 996b0ffe455SJohannes Berg mvmvif = iwl_mvm_vif_from_mac80211(vif); 997b0ffe455SJohannes Berg cancel_delayed_work(&mvmvif->uapsd_nonagg_detected_wk); 998b0ffe455SJohannes Berg } 999e78da25eSJohannes Berg if (!iwl_enable_rx_ampdu()) { 1000e705c121SKalle Valo ret = -EINVAL; 1001e705c121SKalle Valo break; 1002e705c121SKalle Valo } 100310b2b201SSara Sharon ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true, buf_size, 100410b2b201SSara Sharon timeout); 1005e705c121SKalle Valo break; 1006e705c121SKalle Valo case IEEE80211_AMPDU_RX_STOP: 100710b2b201SSara Sharon ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false, buf_size, 100810b2b201SSara Sharon timeout); 1009e705c121SKalle Valo break; 1010e705c121SKalle Valo case IEEE80211_AMPDU_TX_START: 1011e78da25eSJohannes Berg if (!iwl_enable_tx_ampdu()) { 1012e705c121SKalle Valo ret = -EINVAL; 1013e705c121SKalle Valo break; 1014e705c121SKalle Valo } 1015e705c121SKalle Valo ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn); 1016e705c121SKalle Valo break; 1017e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_CONT: 1018e705c121SKalle Valo ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid); 1019e705c121SKalle Valo break; 1020e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_FLUSH: 1021e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 1022e705c121SKalle Valo ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid); 1023e705c121SKalle Valo break; 1024e705c121SKalle Valo case IEEE80211_AMPDU_TX_OPERATIONAL: 1025bb81bb68SEmmanuel Grumbach ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid, 1026bb81bb68SEmmanuel Grumbach buf_size, amsdu); 1027e705c121SKalle Valo break; 1028e705c121SKalle Valo default: 1029e705c121SKalle Valo WARN_ON_ONCE(1); 1030e705c121SKalle Valo ret = -EINVAL; 1031e705c121SKalle Valo break; 1032e705c121SKalle Valo } 1033e705c121SKalle Valo 1034e705c121SKalle Valo if (!ret) { 1035e705c121SKalle Valo u16 rx_ba_ssn = 0; 1036e705c121SKalle Valo 1037e705c121SKalle Valo if (action == IEEE80211_AMPDU_RX_START) 1038e705c121SKalle Valo rx_ba_ssn = *ssn; 1039e705c121SKalle Valo 1040e705c121SKalle Valo iwl_mvm_ampdu_check_trigger(mvm, vif, sta, tid, 1041e705c121SKalle Valo rx_ba_ssn, action); 1042e705c121SKalle Valo } 1043e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1044e705c121SKalle Valo 1045e705c121SKalle Valo return ret; 1046e705c121SKalle Valo } 1047e705c121SKalle Valo 1048e705c121SKalle Valo static void iwl_mvm_cleanup_iterator(void *data, u8 *mac, 1049e705c121SKalle Valo struct ieee80211_vif *vif) 1050e705c121SKalle Valo { 1051e705c121SKalle Valo struct iwl_mvm *mvm = data; 1052e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1053e705c121SKalle Valo 1054e705c121SKalle Valo mvmvif->uploaded = false; 10550ae98812SSara Sharon mvmvif->ap_sta_id = IWL_MVM_INVALID_STA; 1056e705c121SKalle Valo 1057e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 1058e705c121SKalle Valo iwl_mvm_te_clear_data(mvm, &mvmvif->time_event_data); 1059e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 1060e705c121SKalle Valo 1061e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 1062e705c121SKalle Valo memset(&mvmvif->bf_data, 0, sizeof(mvmvif->bf_data)); 106386e177d8SGregory Greenman memset(&mvmvif->probe_resp_data, 0, sizeof(mvmvif->probe_resp_data)); 1064e705c121SKalle Valo } 1065e705c121SKalle Valo 1066e705c121SKalle Valo static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm) 1067e705c121SKalle Valo { 1068fcb6b92aSChaya Rachel Ivgi iwl_mvm_stop_device(mvm); 1069e705c121SKalle Valo 10709bf13beeSJohannes Berg mvm->cur_aid = 0; 10719bf13beeSJohannes Berg 1072e705c121SKalle Valo mvm->scan_status = 0; 1073e705c121SKalle Valo mvm->ps_disabled = false; 1074b3500b47SEmmanuel Grumbach mvm->rfkill_safe_init_done = false; 1075e705c121SKalle Valo 1076e705c121SKalle Valo /* just in case one was running */ 1077305d236eSEliad Peller iwl_mvm_cleanup_roc_te(mvm); 1078e705c121SKalle Valo ieee80211_remain_on_channel_expired(mvm->hw); 1079e705c121SKalle Valo 1080fc36ffdaSJohannes Berg iwl_mvm_ftm_restart(mvm); 1081fc36ffdaSJohannes Berg 1082e705c121SKalle Valo /* 1083e705c121SKalle Valo * cleanup all interfaces, even inactive ones, as some might have 1084e705c121SKalle Valo * gone down during the HW restart 1085e705c121SKalle Valo */ 1086e705c121SKalle Valo ieee80211_iterate_interfaces(mvm->hw, 0, iwl_mvm_cleanup_iterator, mvm); 1087e705c121SKalle Valo 1088e705c121SKalle Valo mvm->p2p_device_vif = NULL; 1089e705c121SKalle Valo 1090e705c121SKalle Valo iwl_mvm_reset_phy_ctxts(mvm); 10919c3deeb5SLuca Coelho memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table)); 1092e705c121SKalle Valo memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif)); 1093e705c121SKalle Valo memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd)); 1094e705c121SKalle Valo 1095e705c121SKalle Valo ieee80211_wake_queues(mvm->hw); 1096e705c121SKalle Valo 1097e705c121SKalle Valo mvm->vif_count = 0; 1098e705c121SKalle Valo mvm->rx_ba_sessions = 0; 10997174beb6SJohannes Berg mvm->fwrt.dump.conf = FW_DBG_INVALID; 1100baf41bc3SShaul Triebitz mvm->monitor_on = false; 1101e705c121SKalle Valo 1102e705c121SKalle Valo /* keep statistics ticking */ 1103e705c121SKalle Valo iwl_mvm_accu_radio_stats(mvm); 1104e705c121SKalle Valo } 1105e705c121SKalle Valo 1106e705c121SKalle Valo int __iwl_mvm_mac_start(struct iwl_mvm *mvm) 1107e705c121SKalle Valo { 1108e705c121SKalle Valo int ret; 1109e705c121SKalle Valo 1110e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1111e705c121SKalle Valo 1112bf8b286fSJohannes Berg if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status)) { 1113bf8b286fSJohannes Berg /* 1114bf8b286fSJohannes Berg * Now convert the HW_RESTART_REQUESTED flag to IN_HW_RESTART 1115bf8b286fSJohannes Berg * so later code will - from now on - see that we're doing it. 1116bf8b286fSJohannes Berg */ 1117bf8b286fSJohannes Berg set_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1118bf8b286fSJohannes Berg clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status); 1119e705c121SKalle Valo /* Clean up some internal and mac80211 state on restart */ 1120e705c121SKalle Valo iwl_mvm_restart_cleanup(mvm); 1121a42b2af3SLuca Coelho } 1122e705c121SKalle Valo ret = iwl_mvm_up(mvm); 1123e705c121SKalle Valo 1124b108d8c7SShahar S Matityahu iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_POST_INIT, 1125b108d8c7SShahar S Matityahu NULL); 1126b108d8c7SShahar S Matityahu iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_PERIODIC, 1127b108d8c7SShahar S Matityahu NULL); 1128da2eb669SSara Sharon 1129e705c121SKalle Valo if (ret && test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 1130e705c121SKalle Valo /* Something went wrong - we need to finish some cleanup 1131e705c121SKalle Valo * that normally iwl_mvm_mac_restart_complete() below 1132e705c121SKalle Valo * would do. 1133e705c121SKalle Valo */ 1134e705c121SKalle Valo clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1135e705c121SKalle Valo } 1136e705c121SKalle Valo 1137e705c121SKalle Valo return ret; 1138e705c121SKalle Valo } 1139e705c121SKalle Valo 1140e705c121SKalle Valo static int iwl_mvm_mac_start(struct ieee80211_hw *hw) 1141e705c121SKalle Valo { 1142e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1143e705c121SKalle Valo int ret; 1144e705c121SKalle Valo 1145e705c121SKalle Valo mutex_lock(&mvm->mutex); 1146e705c121SKalle Valo ret = __iwl_mvm_mac_start(mvm); 1147e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1148e705c121SKalle Valo 1149e705c121SKalle Valo return ret; 1150e705c121SKalle Valo } 1151e705c121SKalle Valo 1152e705c121SKalle Valo static void iwl_mvm_restart_complete(struct iwl_mvm *mvm) 1153e705c121SKalle Valo { 1154e705c121SKalle Valo int ret; 1155e705c121SKalle Valo 1156e705c121SKalle Valo mutex_lock(&mvm->mutex); 1157e705c121SKalle Valo 1158e705c121SKalle Valo clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 11594d4183c4SEmmanuel Grumbach 1160e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, true, NULL); 1161e705c121SKalle Valo if (ret) 1162e705c121SKalle Valo IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n", 1163e705c121SKalle Valo ret); 1164e705c121SKalle Valo 1165f130bb75SMordechay Goodstein iwl_mvm_send_recovery_cmd(mvm, ERROR_RECOVERY_END_OF_RECOVERY); 1166f130bb75SMordechay Goodstein 1167e705c121SKalle Valo /* 1168e705c121SKalle Valo * If we have TDLS peers, remove them. We don't know the last seqno/PN 1169e705c121SKalle Valo * of packets the FW sent out, so we must reconnect. 1170e705c121SKalle Valo */ 1171e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 1172e705c121SKalle Valo 1173e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1174e705c121SKalle Valo } 1175e705c121SKalle Valo 1176e705c121SKalle Valo static void 1177e705c121SKalle Valo iwl_mvm_mac_reconfig_complete(struct ieee80211_hw *hw, 1178e705c121SKalle Valo enum ieee80211_reconfig_type reconfig_type) 1179e705c121SKalle Valo { 1180e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1181e705c121SKalle Valo 1182e705c121SKalle Valo switch (reconfig_type) { 1183e705c121SKalle Valo case IEEE80211_RECONFIG_TYPE_RESTART: 1184e705c121SKalle Valo iwl_mvm_restart_complete(mvm); 1185e705c121SKalle Valo break; 1186e705c121SKalle Valo case IEEE80211_RECONFIG_TYPE_SUSPEND: 1187e705c121SKalle Valo break; 1188e705c121SKalle Valo } 1189e705c121SKalle Valo } 1190e705c121SKalle Valo 1191e705c121SKalle Valo void __iwl_mvm_mac_stop(struct iwl_mvm *mvm) 1192e705c121SKalle Valo { 1193e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1194e705c121SKalle Valo 1195e705c121SKalle Valo /* firmware counters are obviously reset now, but we shouldn't 1196e705c121SKalle Valo * partially track so also clear the fw_reset_accu counters. 1197e705c121SKalle Valo */ 1198e705c121SKalle Valo memset(&mvm->accu_radio_stats, 0, sizeof(mvm->accu_radio_stats)); 1199e705c121SKalle Valo 1200e705c121SKalle Valo /* async_handlers_wk is now blocked */ 1201e705c121SKalle Valo 1202e705c121SKalle Valo /* 1203e705c121SKalle Valo * The work item could be running or queued if the 1204e705c121SKalle Valo * ROC time event stops just as we get here. 1205e705c121SKalle Valo */ 1206e705c121SKalle Valo flush_work(&mvm->roc_done_wk); 1207e705c121SKalle Valo 1208fcb6b92aSChaya Rachel Ivgi iwl_mvm_stop_device(mvm); 1209e705c121SKalle Valo 1210e705c121SKalle Valo iwl_mvm_async_handlers_purge(mvm); 1211e705c121SKalle Valo /* async_handlers_list is empty and will stay empty: HW is stopped */ 1212e705c121SKalle Valo 1213e705c121SKalle Valo /* the fw is stopped, the aux sta is dead: clean up driver state */ 1214e705c121SKalle Valo iwl_mvm_del_aux_sta(mvm); 1215e705c121SKalle Valo 1216e705c121SKalle Valo /* 1217155f7e04SEmmanuel Grumbach * Clear IN_HW_RESTART and HW_RESTART_REQUESTED flag when stopping the 1218155f7e04SEmmanuel Grumbach * hw (as restart_complete() won't be called in this case) and mac80211 1219155f7e04SEmmanuel Grumbach * won't execute the restart. 1220e705c121SKalle Valo * But make sure to cleanup interfaces that have gone down before/during 1221e705c121SKalle Valo * HW restart was requested. 1222e705c121SKalle Valo */ 1223155f7e04SEmmanuel Grumbach if (test_and_clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) || 1224155f7e04SEmmanuel Grumbach test_and_clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 1225155f7e04SEmmanuel Grumbach &mvm->status)) 1226e705c121SKalle Valo ieee80211_iterate_interfaces(mvm->hw, 0, 1227e705c121SKalle Valo iwl_mvm_cleanup_iterator, mvm); 1228e705c121SKalle Valo 1229e705c121SKalle Valo /* We shouldn't have any UIDs still set. Loop over all the UIDs to 1230e705c121SKalle Valo * make sure there's nothing left there and warn if any is found. 1231e705c121SKalle Valo */ 1232e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { 1233e705c121SKalle Valo int i; 1234e705c121SKalle Valo 1235e705c121SKalle Valo for (i = 0; i < mvm->max_scans; i++) { 1236e705c121SKalle Valo if (WARN_ONCE(mvm->scan_uid_status[i], 1237e705c121SKalle Valo "UMAC scan UID %d status was not cleaned\n", 1238e705c121SKalle Valo i)) 1239e705c121SKalle Valo mvm->scan_uid_status[i] = 0; 1240e705c121SKalle Valo } 1241e705c121SKalle Valo } 1242e705c121SKalle Valo } 1243e705c121SKalle Valo 1244e705c121SKalle Valo static void iwl_mvm_mac_stop(struct ieee80211_hw *hw) 1245e705c121SKalle Valo { 1246e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1247e705c121SKalle Valo 1248e705c121SKalle Valo flush_work(&mvm->async_handlers_wk); 124924afba76SLiad Kaufman flush_work(&mvm->add_stream_wk); 1250771147b0SJohannes Berg 1251771147b0SJohannes Berg /* 1252771147b0SJohannes Berg * Lock and clear the firmware running bit here already, so that 1253771147b0SJohannes Berg * new commands coming in elsewhere, e.g. from debugfs, will not 1254771147b0SJohannes Berg * be able to proceed. This is important here because one of those 12557174beb6SJohannes Berg * debugfs files causes the firmware dump to be triggered, and if we 1256771147b0SJohannes Berg * don't stop debugfs accesses before canceling that it could be 1257771147b0SJohannes Berg * retriggered after we flush it but before we've cleared the bit. 1258771147b0SJohannes Berg */ 1259771147b0SJohannes Berg clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1260771147b0SJohannes Berg 1261d3a108a4SAndrei Otcheretianski cancel_delayed_work_sync(&mvm->cs_tx_unblock_dwork); 126269e04642SLuca Coelho cancel_delayed_work_sync(&mvm->scan_timeout_dwork); 12637174beb6SJohannes Berg iwl_fw_free_dump_desc(&mvm->fwrt); 1264e705c121SKalle Valo 1265e705c121SKalle Valo mutex_lock(&mvm->mutex); 1266e705c121SKalle Valo __iwl_mvm_mac_stop(mvm); 1267e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1268e705c121SKalle Valo 1269e705c121SKalle Valo /* 1270e705c121SKalle Valo * The worker might have been waiting for the mutex, let it run and 1271e705c121SKalle Valo * discover that its list is now empty. 1272e705c121SKalle Valo */ 1273e705c121SKalle Valo cancel_work_sync(&mvm->async_handlers_wk); 1274e705c121SKalle Valo } 1275e705c121SKalle Valo 1276e705c121SKalle Valo static struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm) 1277e705c121SKalle Valo { 1278e705c121SKalle Valo u16 i; 1279e705c121SKalle Valo 1280e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1281e705c121SKalle Valo 1282e705c121SKalle Valo for (i = 0; i < NUM_PHY_CTX; i++) 1283e705c121SKalle Valo if (!mvm->phy_ctxts[i].ref) 1284e705c121SKalle Valo return &mvm->phy_ctxts[i]; 1285e705c121SKalle Valo 1286e705c121SKalle Valo IWL_ERR(mvm, "No available PHY context\n"); 1287e705c121SKalle Valo return NULL; 1288e705c121SKalle Valo } 1289e705c121SKalle Valo 1290e705c121SKalle Valo static int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1291e705c121SKalle Valo s16 tx_power) 1292e705c121SKalle Valo { 12930791c2fcSHaim Dreyfuss int len; 12940791c2fcSHaim Dreyfuss union { 12950791c2fcSHaim Dreyfuss struct iwl_dev_tx_power_cmd v5; 12960791c2fcSHaim Dreyfuss struct iwl_dev_tx_power_cmd_v4 v4; 12970791c2fcSHaim Dreyfuss } cmd = { 12980791c2fcSHaim Dreyfuss .v5.v3.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_MAC), 12990791c2fcSHaim Dreyfuss .v5.v3.mac_context_id = 1300e705c121SKalle Valo cpu_to_le32(iwl_mvm_vif_from_mac80211(vif)->id), 13010791c2fcSHaim Dreyfuss .v5.v3.pwr_restriction = cpu_to_le16(8 * tx_power), 1302e705c121SKalle Valo }; 1303e705c121SKalle Valo 1304e705c121SKalle Valo if (tx_power == IWL_DEFAULT_MAX_TX_POWER) 13050791c2fcSHaim Dreyfuss cmd.v5.v3.pwr_restriction = cpu_to_le16(IWL_DEV_MAX_TX_POWER); 1306e705c121SKalle Valo 13070791c2fcSHaim Dreyfuss if (fw_has_api(&mvm->fw->ucode_capa, 13080791c2fcSHaim Dreyfuss IWL_UCODE_TLV_API_REDUCE_TX_POWER)) 13090791c2fcSHaim Dreyfuss len = sizeof(cmd.v5); 13100791c2fcSHaim Dreyfuss else if (fw_has_capa(&mvm->fw->ucode_capa, 13110791c2fcSHaim Dreyfuss IWL_UCODE_TLV_CAPA_TX_POWER_ACK)) 13120791c2fcSHaim Dreyfuss len = sizeof(cmd.v4); 13130791c2fcSHaim Dreyfuss else 13140791c2fcSHaim Dreyfuss len = sizeof(cmd.v4.v3); 1315e705c121SKalle Valo 1316e705c121SKalle Valo return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd); 1317e705c121SKalle Valo } 1318e705c121SKalle Valo 1319f6780614SSara Sharon static int iwl_mvm_post_channel_switch(struct ieee80211_hw *hw, 1320f6780614SSara Sharon struct ieee80211_vif *vif) 1321f6780614SSara Sharon { 1322f6780614SSara Sharon struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1323f6780614SSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1324f6780614SSara Sharon int ret; 1325f6780614SSara Sharon 1326f6780614SSara Sharon mutex_lock(&mvm->mutex); 1327f6780614SSara Sharon 1328f6780614SSara Sharon if (mvmvif->csa_failed) { 1329f6780614SSara Sharon mvmvif->csa_failed = false; 1330f6780614SSara Sharon ret = -EIO; 1331f6780614SSara Sharon goto out_unlock; 1332f6780614SSara Sharon } 1333f6780614SSara Sharon 1334f6780614SSara Sharon if (vif->type == NL80211_IFTYPE_STATION) { 1335f6780614SSara Sharon struct iwl_mvm_sta *mvmsta; 1336f6780614SSara Sharon 1337f6780614SSara Sharon mvmvif->csa_bcn_pending = false; 1338f6780614SSara Sharon mvmsta = iwl_mvm_sta_from_staid_protected(mvm, 1339f6780614SSara Sharon mvmvif->ap_sta_id); 1340f6780614SSara Sharon 1341f6780614SSara Sharon if (WARN_ON(!mvmsta)) { 1342f6780614SSara Sharon ret = -EIO; 1343f6780614SSara Sharon goto out_unlock; 1344f6780614SSara Sharon } 1345f6780614SSara Sharon 13460202bcf0SEmmanuel Grumbach if (!fw_has_capa(&mvm->fw->ucode_capa, 13470202bcf0SEmmanuel Grumbach IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) 1348f6780614SSara Sharon iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false); 1349f6780614SSara Sharon 1350f6780614SSara Sharon iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 1351f6780614SSara Sharon 13520202bcf0SEmmanuel Grumbach if (!fw_has_capa(&mvm->fw->ucode_capa, 13530202bcf0SEmmanuel Grumbach IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 1354f6780614SSara Sharon ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0); 1355f6780614SSara Sharon if (ret) 1356f6780614SSara Sharon goto out_unlock; 1357f6780614SSara Sharon 1358f6780614SSara Sharon iwl_mvm_stop_session_protection(mvm, vif); 1359f6780614SSara Sharon } 13600202bcf0SEmmanuel Grumbach } 1361f6780614SSara Sharon 1362f6780614SSara Sharon mvmvif->ps_disabled = false; 1363f6780614SSara Sharon 1364f6780614SSara Sharon ret = iwl_mvm_power_update_ps(mvm); 1365f6780614SSara Sharon 1366f6780614SSara Sharon out_unlock: 1367f6780614SSara Sharon mutex_unlock(&mvm->mutex); 1368f6780614SSara Sharon 1369f6780614SSara Sharon return ret; 1370f6780614SSara Sharon } 1371f6780614SSara Sharon 1372f6780614SSara Sharon static void iwl_mvm_abort_channel_switch(struct ieee80211_hw *hw, 1373f6780614SSara Sharon struct ieee80211_vif *vif) 1374f6780614SSara Sharon { 1375f6780614SSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1376f6780614SSara Sharon struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1377f6780614SSara Sharon struct iwl_chan_switch_te_cmd cmd = { 1378f6780614SSara Sharon .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 1379f6780614SSara Sharon mvmvif->color)), 1380f6780614SSara Sharon .action = cpu_to_le32(FW_CTXT_ACTION_REMOVE), 1381f6780614SSara Sharon }; 1382f6780614SSara Sharon 1383f6780614SSara Sharon IWL_DEBUG_MAC80211(mvm, "Abort CSA on mac %d\n", mvmvif->id); 1384f6780614SSara Sharon 1385f6780614SSara Sharon mutex_lock(&mvm->mutex); 1386f6780614SSara Sharon WARN_ON(iwl_mvm_send_cmd_pdu(mvm, 1387f6780614SSara Sharon WIDE_ID(MAC_CONF_GROUP, 1388f6780614SSara Sharon CHANNEL_SWITCH_TIME_EVENT_CMD), 1389f6780614SSara Sharon 0, sizeof(cmd), &cmd)); 1390f6780614SSara Sharon mutex_unlock(&mvm->mutex); 1391f6780614SSara Sharon 1392f6780614SSara Sharon WARN_ON(iwl_mvm_post_channel_switch(hw, vif)); 1393f6780614SSara Sharon } 1394f6780614SSara Sharon 1395f6780614SSara Sharon static void iwl_mvm_channel_switch_disconnect_wk(struct work_struct *wk) 1396f6780614SSara Sharon { 1397f6780614SSara Sharon struct iwl_mvm *mvm; 1398f6780614SSara Sharon struct iwl_mvm_vif *mvmvif; 1399f6780614SSara Sharon struct ieee80211_vif *vif; 1400f6780614SSara Sharon 1401f6780614SSara Sharon mvmvif = container_of(wk, struct iwl_mvm_vif, csa_work.work); 1402f6780614SSara Sharon vif = container_of((void *)mvmvif, struct ieee80211_vif, drv_priv); 1403f6780614SSara Sharon mvm = mvmvif->mvm; 1404f6780614SSara Sharon 1405f6780614SSara Sharon iwl_mvm_abort_channel_switch(mvm->hw, vif); 1406f6780614SSara Sharon ieee80211_chswitch_done(vif, false); 1407f6780614SSara Sharon } 1408f6780614SSara Sharon 1409e705c121SKalle Valo static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, 1410e705c121SKalle Valo struct ieee80211_vif *vif) 1411e705c121SKalle Valo { 1412e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1413e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1414e705c121SKalle Valo int ret; 1415e705c121SKalle Valo 1416e705c121SKalle Valo mvmvif->mvm = mvm; 141786e177d8SGregory Greenman RCU_INIT_POINTER(mvmvif->probe_resp_data, NULL); 1418e705c121SKalle Valo 1419e705c121SKalle Valo /* 1420e705c121SKalle Valo * Not much to do here. The stack will not allow interface 1421e705c121SKalle Valo * types or combinations that we didn't advertise, so we 1422e705c121SKalle Valo * don't really have to check the types. 1423e705c121SKalle Valo */ 1424e705c121SKalle Valo 1425e705c121SKalle Valo mutex_lock(&mvm->mutex); 1426e705c121SKalle Valo 1427e705c121SKalle Valo /* make sure that beacon statistics don't go backwards with FW reset */ 1428e705c121SKalle Valo if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1429e705c121SKalle Valo mvmvif->beacon_stats.accu_num_beacons += 1430e705c121SKalle Valo mvmvif->beacon_stats.num_beacons; 1431e705c121SKalle Valo 1432e705c121SKalle Valo /* Allocate resources for the MAC context, and add it to the fw */ 1433e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_init(mvm, vif); 1434e705c121SKalle Valo if (ret) 1435e705c121SKalle Valo goto out_unlock; 1436e705c121SKalle Valo 1437698478c4SSara Sharon rcu_assign_pointer(mvm->vif_id_to_mac[mvmvif->id], vif); 1438698478c4SSara Sharon 1439e705c121SKalle Valo /* Counting number of interfaces is needed for legacy PM */ 1440e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_P2P_DEVICE) 1441e705c121SKalle Valo mvm->vif_count++; 1442e705c121SKalle Valo 1443e705c121SKalle Valo /* 1444e705c121SKalle Valo * The AP binding flow can be done only after the beacon 1445e705c121SKalle Valo * template is configured (which happens only in the mac80211 1446e705c121SKalle Valo * start_ap() flow), and adding the broadcast station can happen 1447e705c121SKalle Valo * only after the binding. 1448e705c121SKalle Valo * In addition, since modifying the MAC before adding a bcast 1449e705c121SKalle Valo * station is not allowed by the FW, delay the adding of MAC context to 1450e705c121SKalle Valo * the point where we can also add the bcast station. 1451e705c121SKalle Valo * In short: there's not much we can do at this point, other than 1452e705c121SKalle Valo * allocating resources :) 1453e705c121SKalle Valo */ 1454e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP || 1455e705c121SKalle Valo vif->type == NL80211_IFTYPE_ADHOC) { 1456e705c121SKalle Valo ret = iwl_mvm_alloc_bcast_sta(mvm, vif); 1457e705c121SKalle Valo if (ret) { 1458e705c121SKalle Valo IWL_ERR(mvm, "Failed to allocate bcast sta\n"); 1459e705c121SKalle Valo goto out_release; 1460e705c121SKalle Valo } 1461e705c121SKalle Valo 146226d6c16bSSara Sharon /* 146326d6c16bSSara Sharon * Only queue for this station is the mcast queue, 146426d6c16bSSara Sharon * which shouldn't be in TFD mask anyway 146526d6c16bSSara Sharon */ 146626d6c16bSSara Sharon ret = iwl_mvm_allocate_int_sta(mvm, &mvmvif->mcast_sta, 1467ced19f26SSara Sharon 0, vif->type, 1468ced19f26SSara Sharon IWL_STA_MULTICAST); 146926d6c16bSSara Sharon if (ret) 147026d6c16bSSara Sharon goto out_release; 147126d6c16bSSara Sharon 1472e705c121SKalle Valo iwl_mvm_vif_dbgfs_register(mvm, vif); 1473e705c121SKalle Valo goto out_unlock; 1474e705c121SKalle Valo } 1475e705c121SKalle Valo 1476e705c121SKalle Valo mvmvif->features |= hw->netdev_features; 1477e705c121SKalle Valo 1478e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_add(mvm, vif); 1479e705c121SKalle Valo if (ret) 1480e705c121SKalle Valo goto out_release; 1481e705c121SKalle Valo 1482e705c121SKalle Valo ret = iwl_mvm_power_update_mac(mvm); 1483e705c121SKalle Valo if (ret) 1484e705c121SKalle Valo goto out_remove_mac; 1485e705c121SKalle Valo 1486e705c121SKalle Valo /* beacon filtering */ 1487e705c121SKalle Valo ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); 1488e705c121SKalle Valo if (ret) 1489e705c121SKalle Valo goto out_remove_mac; 1490e705c121SKalle Valo 1491e705c121SKalle Valo if (!mvm->bf_allowed_vif && 1492e705c121SKalle Valo vif->type == NL80211_IFTYPE_STATION && !vif->p2p) { 1493e705c121SKalle Valo mvm->bf_allowed_vif = mvmvif; 1494e705c121SKalle Valo vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | 1495e705c121SKalle Valo IEEE80211_VIF_SUPPORTS_CQM_RSSI; 1496e705c121SKalle Valo } 1497e705c121SKalle Valo 1498e705c121SKalle Valo /* 1499e705c121SKalle Valo * P2P_DEVICE interface does not have a channel context assigned to it, 1500e705c121SKalle Valo * so a dedicated PHY context is allocated to it and the corresponding 1501e705c121SKalle Valo * MAC context is bound to it at this stage. 1502e705c121SKalle Valo */ 1503e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1504e705c121SKalle Valo 1505e705c121SKalle Valo mvmvif->phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 1506e705c121SKalle Valo if (!mvmvif->phy_ctxt) { 1507e705c121SKalle Valo ret = -ENOSPC; 1508e705c121SKalle Valo goto out_free_bf; 1509e705c121SKalle Valo } 1510e705c121SKalle Valo 1511e705c121SKalle Valo iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt); 1512e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 1513e705c121SKalle Valo if (ret) 1514e705c121SKalle Valo goto out_unref_phy; 1515e705c121SKalle Valo 1516d197358bSLuca Coelho ret = iwl_mvm_add_p2p_bcast_sta(mvm, vif); 1517e705c121SKalle Valo if (ret) 1518e705c121SKalle Valo goto out_unbind; 1519e705c121SKalle Valo 1520e705c121SKalle Valo /* Save a pointer to p2p device vif, so it can later be used to 1521e705c121SKalle Valo * update the p2p device MAC when a GO is started/stopped */ 1522e705c121SKalle Valo mvm->p2p_device_vif = vif; 1523e705c121SKalle Valo } 1524e705c121SKalle Valo 1525b0ffe455SJohannes Berg iwl_mvm_tcm_add_vif(mvm, vif); 1526f6780614SSara Sharon INIT_DELAYED_WORK(&mvmvif->csa_work, 1527f6780614SSara Sharon iwl_mvm_channel_switch_disconnect_wk); 1528b0ffe455SJohannes Berg 1529baf41bc3SShaul Triebitz if (vif->type == NL80211_IFTYPE_MONITOR) 1530baf41bc3SShaul Triebitz mvm->monitor_on = true; 1531baf41bc3SShaul Triebitz 1532e705c121SKalle Valo iwl_mvm_vif_dbgfs_register(mvm, vif); 1533e705c121SKalle Valo goto out_unlock; 1534e705c121SKalle Valo 1535e705c121SKalle Valo out_unbind: 1536e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 1537e705c121SKalle Valo out_unref_phy: 1538e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); 1539e705c121SKalle Valo out_free_bf: 1540e705c121SKalle Valo if (mvm->bf_allowed_vif == mvmvif) { 1541e705c121SKalle Valo mvm->bf_allowed_vif = NULL; 1542e705c121SKalle Valo vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | 1543e705c121SKalle Valo IEEE80211_VIF_SUPPORTS_CQM_RSSI); 1544e705c121SKalle Valo } 1545e705c121SKalle Valo out_remove_mac: 1546e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 1547e705c121SKalle Valo iwl_mvm_mac_ctxt_remove(mvm, vif); 1548e705c121SKalle Valo out_release: 1549e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_P2P_DEVICE) 1550e705c121SKalle Valo mvm->vif_count--; 1551e705c121SKalle Valo out_unlock: 1552e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1553e705c121SKalle Valo 1554e705c121SKalle Valo return ret; 1555e705c121SKalle Valo } 1556e705c121SKalle Valo 1557e705c121SKalle Valo static void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm, 1558e705c121SKalle Valo struct ieee80211_vif *vif) 1559e705c121SKalle Valo { 1560e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1561e705c121SKalle Valo /* 1562e705c121SKalle Valo * Flush the ROC worker which will flush the OFFCHANNEL queue. 1563e705c121SKalle Valo * We assume here that all the packets sent to the OFFCHANNEL 1564e705c121SKalle Valo * queue are sent in ROC session. 1565e705c121SKalle Valo */ 1566e705c121SKalle Valo flush_work(&mvm->roc_done_wk); 1567e705c121SKalle Valo } 1568e705c121SKalle Valo } 1569e705c121SKalle Valo 1570e705c121SKalle Valo static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw, 1571e705c121SKalle Valo struct ieee80211_vif *vif) 1572e705c121SKalle Valo { 1573e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1574e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 157586e177d8SGregory Greenman struct iwl_probe_resp_data *probe_data; 1576e705c121SKalle Valo 1577e705c121SKalle Valo iwl_mvm_prepare_mac_removal(mvm, vif); 1578e705c121SKalle Valo 1579b0ffe455SJohannes Berg if (!(vif->type == NL80211_IFTYPE_AP || 1580b0ffe455SJohannes Berg vif->type == NL80211_IFTYPE_ADHOC)) 1581b0ffe455SJohannes Berg iwl_mvm_tcm_rm_vif(mvm, vif); 1582b0ffe455SJohannes Berg 1583e705c121SKalle Valo mutex_lock(&mvm->mutex); 1584e705c121SKalle Valo 158586e177d8SGregory Greenman probe_data = rcu_dereference_protected(mvmvif->probe_resp_data, 158686e177d8SGregory Greenman lockdep_is_held(&mvm->mutex)); 158786e177d8SGregory Greenman RCU_INIT_POINTER(mvmvif->probe_resp_data, NULL); 158886e177d8SGregory Greenman if (probe_data) 158986e177d8SGregory Greenman kfree_rcu(probe_data, rcu_head); 159086e177d8SGregory Greenman 1591e705c121SKalle Valo if (mvm->bf_allowed_vif == mvmvif) { 1592e705c121SKalle Valo mvm->bf_allowed_vif = NULL; 1593e705c121SKalle Valo vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | 1594e705c121SKalle Valo IEEE80211_VIF_SUPPORTS_CQM_RSSI); 1595e705c121SKalle Valo } 1596e705c121SKalle Valo 1597b73f9a4aSJohannes Berg if (vif->bss_conf.ftm_responder) 1598b73f9a4aSJohannes Berg memset(&mvm->ftm_resp_stats, 0, sizeof(mvm->ftm_resp_stats)); 1599b73f9a4aSJohannes Berg 1600e705c121SKalle Valo iwl_mvm_vif_dbgfs_clean(mvm, vif); 1601e705c121SKalle Valo 1602e705c121SKalle Valo /* 1603e705c121SKalle Valo * For AP/GO interface, the tear down of the resources allocated to the 1604e705c121SKalle Valo * interface is be handled as part of the stop_ap flow. 1605e705c121SKalle Valo */ 1606e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP || 1607e705c121SKalle Valo vif->type == NL80211_IFTYPE_ADHOC) { 1608e705c121SKalle Valo #ifdef CONFIG_NL80211_TESTMODE 1609e705c121SKalle Valo if (vif == mvm->noa_vif) { 1610e705c121SKalle Valo mvm->noa_vif = NULL; 1611e705c121SKalle Valo mvm->noa_duration = 0; 1612e705c121SKalle Valo } 1613e705c121SKalle Valo #endif 161426d6c16bSSara Sharon iwl_mvm_dealloc_int_sta(mvm, &mvmvif->mcast_sta); 1615e705c121SKalle Valo iwl_mvm_dealloc_bcast_sta(mvm, vif); 1616e705c121SKalle Valo goto out_release; 1617e705c121SKalle Valo } 1618e705c121SKalle Valo 1619e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1620e705c121SKalle Valo mvm->p2p_device_vif = NULL; 1621d197358bSLuca Coelho iwl_mvm_rm_p2p_bcast_sta(mvm, vif); 1622e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 1623e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); 1624e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 1625e705c121SKalle Valo } 1626e705c121SKalle Valo 1627e705c121SKalle Valo if (mvm->vif_count && vif->type != NL80211_IFTYPE_P2P_DEVICE) 1628e705c121SKalle Valo mvm->vif_count--; 1629e705c121SKalle Valo 1630e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 1631e705c121SKalle Valo iwl_mvm_mac_ctxt_remove(mvm, vif); 1632e705c121SKalle Valo 1633698478c4SSara Sharon RCU_INIT_POINTER(mvm->vif_id_to_mac[mvmvif->id], NULL); 1634698478c4SSara Sharon 1635baf41bc3SShaul Triebitz if (vif->type == NL80211_IFTYPE_MONITOR) 1636baf41bc3SShaul Triebitz mvm->monitor_on = false; 1637baf41bc3SShaul Triebitz 1638e705c121SKalle Valo out_release: 1639e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1640e705c121SKalle Valo } 1641e705c121SKalle Valo 1642e705c121SKalle Valo static int iwl_mvm_mac_config(struct ieee80211_hw *hw, u32 changed) 1643e705c121SKalle Valo { 1644e705c121SKalle Valo return 0; 1645e705c121SKalle Valo } 1646e705c121SKalle Valo 1647e705c121SKalle Valo struct iwl_mvm_mc_iter_data { 1648e705c121SKalle Valo struct iwl_mvm *mvm; 1649e705c121SKalle Valo int port_id; 1650e705c121SKalle Valo }; 1651e705c121SKalle Valo 1652e705c121SKalle Valo static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac, 1653e705c121SKalle Valo struct ieee80211_vif *vif) 1654e705c121SKalle Valo { 1655e705c121SKalle Valo struct iwl_mvm_mc_iter_data *data = _data; 1656e705c121SKalle Valo struct iwl_mvm *mvm = data->mvm; 1657e705c121SKalle Valo struct iwl_mcast_filter_cmd *cmd = mvm->mcast_filter_cmd; 165897bce57bSLuca Coelho struct iwl_host_cmd hcmd = { 165997bce57bSLuca Coelho .id = MCAST_FILTER_CMD, 166097bce57bSLuca Coelho .flags = CMD_ASYNC, 166197bce57bSLuca Coelho .dataflags[0] = IWL_HCMD_DFL_NOCOPY, 166297bce57bSLuca Coelho }; 1663e705c121SKalle Valo int ret, len; 1664e705c121SKalle Valo 1665e705c121SKalle Valo /* if we don't have free ports, mcast frames will be dropped */ 1666e705c121SKalle Valo if (WARN_ON_ONCE(data->port_id >= MAX_PORT_ID_NUM)) 1667e705c121SKalle Valo return; 1668e705c121SKalle Valo 1669e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_STATION || 1670e705c121SKalle Valo !vif->bss_conf.assoc) 1671e705c121SKalle Valo return; 1672e705c121SKalle Valo 1673e705c121SKalle Valo cmd->port_id = data->port_id++; 1674e705c121SKalle Valo memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN); 1675e705c121SKalle Valo len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4); 1676e705c121SKalle Valo 167797bce57bSLuca Coelho hcmd.len[0] = len; 167897bce57bSLuca Coelho hcmd.data[0] = cmd; 167997bce57bSLuca Coelho 168097bce57bSLuca Coelho ret = iwl_mvm_send_cmd(mvm, &hcmd); 1681e705c121SKalle Valo if (ret) 1682e705c121SKalle Valo IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret); 1683e705c121SKalle Valo } 1684e705c121SKalle Valo 1685e705c121SKalle Valo static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm) 1686e705c121SKalle Valo { 1687e705c121SKalle Valo struct iwl_mvm_mc_iter_data iter_data = { 1688e705c121SKalle Valo .mvm = mvm, 1689e705c121SKalle Valo }; 1690e705c121SKalle Valo 1691e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1692e705c121SKalle Valo 1693e705c121SKalle Valo if (WARN_ON_ONCE(!mvm->mcast_filter_cmd)) 1694e705c121SKalle Valo return; 1695e705c121SKalle Valo 1696e705c121SKalle Valo ieee80211_iterate_active_interfaces_atomic( 1697e705c121SKalle Valo mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 1698e705c121SKalle Valo iwl_mvm_mc_iface_iterator, &iter_data); 1699e705c121SKalle Valo } 1700e705c121SKalle Valo 1701e705c121SKalle Valo static u64 iwl_mvm_prepare_multicast(struct ieee80211_hw *hw, 1702e705c121SKalle Valo struct netdev_hw_addr_list *mc_list) 1703e705c121SKalle Valo { 1704e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1705e705c121SKalle Valo struct iwl_mcast_filter_cmd *cmd; 1706e705c121SKalle Valo struct netdev_hw_addr *addr; 1707e705c121SKalle Valo int addr_count; 1708e705c121SKalle Valo bool pass_all; 1709e705c121SKalle Valo int len; 1710e705c121SKalle Valo 1711e705c121SKalle Valo addr_count = netdev_hw_addr_list_count(mc_list); 1712e705c121SKalle Valo pass_all = addr_count > MAX_MCAST_FILTERING_ADDRESSES || 1713e705c121SKalle Valo IWL_MVM_FW_MCAST_FILTER_PASS_ALL; 1714e705c121SKalle Valo if (pass_all) 1715e705c121SKalle Valo addr_count = 0; 1716e705c121SKalle Valo 1717e705c121SKalle Valo len = roundup(sizeof(*cmd) + addr_count * ETH_ALEN, 4); 1718e705c121SKalle Valo cmd = kzalloc(len, GFP_ATOMIC); 1719e705c121SKalle Valo if (!cmd) 1720e705c121SKalle Valo return 0; 1721e705c121SKalle Valo 1722e705c121SKalle Valo if (pass_all) { 1723e705c121SKalle Valo cmd->pass_all = 1; 1724e705c121SKalle Valo return (u64)(unsigned long)cmd; 1725e705c121SKalle Valo } 1726e705c121SKalle Valo 1727e705c121SKalle Valo netdev_hw_addr_list_for_each(addr, mc_list) { 1728e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %pM\n", 1729e705c121SKalle Valo cmd->count, addr->addr); 1730e705c121SKalle Valo memcpy(&cmd->addr_list[cmd->count * ETH_ALEN], 1731e705c121SKalle Valo addr->addr, ETH_ALEN); 1732e705c121SKalle Valo cmd->count++; 1733e705c121SKalle Valo } 1734e705c121SKalle Valo 1735e705c121SKalle Valo return (u64)(unsigned long)cmd; 1736e705c121SKalle Valo } 1737e705c121SKalle Valo 1738e705c121SKalle Valo static void iwl_mvm_configure_filter(struct ieee80211_hw *hw, 1739e705c121SKalle Valo unsigned int changed_flags, 1740e705c121SKalle Valo unsigned int *total_flags, 1741e705c121SKalle Valo u64 multicast) 1742e705c121SKalle Valo { 1743e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1744e705c121SKalle Valo struct iwl_mcast_filter_cmd *cmd = (void *)(unsigned long)multicast; 1745e705c121SKalle Valo 1746e705c121SKalle Valo mutex_lock(&mvm->mutex); 1747e705c121SKalle Valo 1748e705c121SKalle Valo /* replace previous configuration */ 1749e705c121SKalle Valo kfree(mvm->mcast_filter_cmd); 1750e705c121SKalle Valo mvm->mcast_filter_cmd = cmd; 1751e705c121SKalle Valo 1752e705c121SKalle Valo if (!cmd) 1753e705c121SKalle Valo goto out; 1754e705c121SKalle Valo 175561e7d91bSLuca Coelho if (changed_flags & FIF_ALLMULTI) 175661e7d91bSLuca Coelho cmd->pass_all = !!(*total_flags & FIF_ALLMULTI); 175761e7d91bSLuca Coelho 175861e7d91bSLuca Coelho if (cmd->pass_all) 175961e7d91bSLuca Coelho cmd->count = 0; 176061e7d91bSLuca Coelho 1761e705c121SKalle Valo iwl_mvm_recalc_multicast(mvm); 1762e705c121SKalle Valo out: 1763e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1764e705c121SKalle Valo *total_flags = 0; 1765e705c121SKalle Valo } 1766e705c121SKalle Valo 1767e705c121SKalle Valo static void iwl_mvm_config_iface_filter(struct ieee80211_hw *hw, 1768e705c121SKalle Valo struct ieee80211_vif *vif, 1769e705c121SKalle Valo unsigned int filter_flags, 1770e705c121SKalle Valo unsigned int changed_flags) 1771e705c121SKalle Valo { 1772e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1773e705c121SKalle Valo 1774e705c121SKalle Valo /* We support only filter for probe requests */ 1775e705c121SKalle Valo if (!(changed_flags & FIF_PROBE_REQ)) 1776e705c121SKalle Valo return; 1777e705c121SKalle Valo 1778e705c121SKalle Valo /* Supported only for p2p client interfaces */ 1779e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_STATION || !vif->bss_conf.assoc || 1780e705c121SKalle Valo !vif->p2p) 1781e705c121SKalle Valo return; 1782e705c121SKalle Valo 1783e705c121SKalle Valo mutex_lock(&mvm->mutex); 1784e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 1785e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1786e705c121SKalle Valo } 1787e705c121SKalle Valo 1788e705c121SKalle Valo #ifdef CONFIG_IWLWIFI_BCAST_FILTERING 1789e705c121SKalle Valo struct iwl_bcast_iter_data { 1790e705c121SKalle Valo struct iwl_mvm *mvm; 1791e705c121SKalle Valo struct iwl_bcast_filter_cmd *cmd; 1792e705c121SKalle Valo u8 current_filter; 1793e705c121SKalle Valo }; 1794e705c121SKalle Valo 1795e705c121SKalle Valo static void 1796e705c121SKalle Valo iwl_mvm_set_bcast_filter(struct ieee80211_vif *vif, 1797e705c121SKalle Valo const struct iwl_fw_bcast_filter *in_filter, 1798e705c121SKalle Valo struct iwl_fw_bcast_filter *out_filter) 1799e705c121SKalle Valo { 1800e705c121SKalle Valo struct iwl_fw_bcast_filter_attr *attr; 1801e705c121SKalle Valo int i; 1802e705c121SKalle Valo 1803e705c121SKalle Valo memcpy(out_filter, in_filter, sizeof(*out_filter)); 1804e705c121SKalle Valo 1805e705c121SKalle Valo for (i = 0; i < ARRAY_SIZE(out_filter->attrs); i++) { 1806e705c121SKalle Valo attr = &out_filter->attrs[i]; 1807e705c121SKalle Valo 1808e705c121SKalle Valo if (!attr->mask) 1809e705c121SKalle Valo break; 1810e705c121SKalle Valo 1811e705c121SKalle Valo switch (attr->reserved1) { 1812e705c121SKalle Valo case cpu_to_le16(BC_FILTER_MAGIC_IP): 1813e705c121SKalle Valo if (vif->bss_conf.arp_addr_cnt != 1) { 1814e705c121SKalle Valo attr->mask = 0; 1815e705c121SKalle Valo continue; 1816e705c121SKalle Valo } 1817e705c121SKalle Valo 1818e705c121SKalle Valo attr->val = vif->bss_conf.arp_addr_list[0]; 1819e705c121SKalle Valo break; 1820e705c121SKalle Valo case cpu_to_le16(BC_FILTER_MAGIC_MAC): 1821e705c121SKalle Valo attr->val = *(__be32 *)&vif->addr[2]; 1822e705c121SKalle Valo break; 1823e705c121SKalle Valo default: 1824e705c121SKalle Valo break; 1825e705c121SKalle Valo } 1826e705c121SKalle Valo attr->reserved1 = 0; 1827e705c121SKalle Valo out_filter->num_attrs++; 1828e705c121SKalle Valo } 1829e705c121SKalle Valo } 1830e705c121SKalle Valo 1831e705c121SKalle Valo static void iwl_mvm_bcast_filter_iterator(void *_data, u8 *mac, 1832e705c121SKalle Valo struct ieee80211_vif *vif) 1833e705c121SKalle Valo { 1834e705c121SKalle Valo struct iwl_bcast_iter_data *data = _data; 1835e705c121SKalle Valo struct iwl_mvm *mvm = data->mvm; 1836e705c121SKalle Valo struct iwl_bcast_filter_cmd *cmd = data->cmd; 1837e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1838e705c121SKalle Valo struct iwl_fw_bcast_mac *bcast_mac; 1839e705c121SKalle Valo int i; 1840e705c121SKalle Valo 1841e705c121SKalle Valo if (WARN_ON(mvmvif->id >= ARRAY_SIZE(cmd->macs))) 1842e705c121SKalle Valo return; 1843e705c121SKalle Valo 1844e705c121SKalle Valo bcast_mac = &cmd->macs[mvmvif->id]; 1845e705c121SKalle Valo 1846e705c121SKalle Valo /* 1847e705c121SKalle Valo * enable filtering only for associated stations, but not for P2P 1848e705c121SKalle Valo * Clients 1849e705c121SKalle Valo */ 1850e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_STATION || vif->p2p || 1851e705c121SKalle Valo !vif->bss_conf.assoc) 1852e705c121SKalle Valo return; 1853e705c121SKalle Valo 1854e705c121SKalle Valo bcast_mac->default_discard = 1; 1855e705c121SKalle Valo 1856e705c121SKalle Valo /* copy all configured filters */ 1857e705c121SKalle Valo for (i = 0; mvm->bcast_filters[i].attrs[0].mask; i++) { 1858e705c121SKalle Valo /* 1859e705c121SKalle Valo * Make sure we don't exceed our filters limit. 1860e705c121SKalle Valo * if there is still a valid filter to be configured, 1861e705c121SKalle Valo * be on the safe side and just allow bcast for this mac. 1862e705c121SKalle Valo */ 1863e705c121SKalle Valo if (WARN_ON_ONCE(data->current_filter >= 1864e705c121SKalle Valo ARRAY_SIZE(cmd->filters))) { 1865e705c121SKalle Valo bcast_mac->default_discard = 0; 1866e705c121SKalle Valo bcast_mac->attached_filters = 0; 1867e705c121SKalle Valo break; 1868e705c121SKalle Valo } 1869e705c121SKalle Valo 1870e705c121SKalle Valo iwl_mvm_set_bcast_filter(vif, 1871e705c121SKalle Valo &mvm->bcast_filters[i], 1872e705c121SKalle Valo &cmd->filters[data->current_filter]); 1873e705c121SKalle Valo 1874e705c121SKalle Valo /* skip current filter if it contains no attributes */ 1875e705c121SKalle Valo if (!cmd->filters[data->current_filter].num_attrs) 1876e705c121SKalle Valo continue; 1877e705c121SKalle Valo 1878e705c121SKalle Valo /* attach the filter to current mac */ 1879e705c121SKalle Valo bcast_mac->attached_filters |= 1880e705c121SKalle Valo cpu_to_le16(BIT(data->current_filter)); 1881e705c121SKalle Valo 1882e705c121SKalle Valo data->current_filter++; 1883e705c121SKalle Valo } 1884e705c121SKalle Valo } 1885e705c121SKalle Valo 1886e705c121SKalle Valo bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm, 1887e705c121SKalle Valo struct iwl_bcast_filter_cmd *cmd) 1888e705c121SKalle Valo { 1889e705c121SKalle Valo struct iwl_bcast_iter_data iter_data = { 1890e705c121SKalle Valo .mvm = mvm, 1891e705c121SKalle Valo .cmd = cmd, 1892e705c121SKalle Valo }; 1893e705c121SKalle Valo 1894e705c121SKalle Valo if (IWL_MVM_FW_BCAST_FILTER_PASS_ALL) 1895e705c121SKalle Valo return false; 1896e705c121SKalle Valo 1897e705c121SKalle Valo memset(cmd, 0, sizeof(*cmd)); 1898e705c121SKalle Valo cmd->max_bcast_filters = ARRAY_SIZE(cmd->filters); 1899e705c121SKalle Valo cmd->max_macs = ARRAY_SIZE(cmd->macs); 1900e705c121SKalle Valo 1901e705c121SKalle Valo #ifdef CONFIG_IWLWIFI_DEBUGFS 1902e705c121SKalle Valo /* use debugfs filters/macs if override is configured */ 1903e705c121SKalle Valo if (mvm->dbgfs_bcast_filtering.override) { 1904e705c121SKalle Valo memcpy(cmd->filters, &mvm->dbgfs_bcast_filtering.cmd.filters, 1905e705c121SKalle Valo sizeof(cmd->filters)); 1906e705c121SKalle Valo memcpy(cmd->macs, &mvm->dbgfs_bcast_filtering.cmd.macs, 1907e705c121SKalle Valo sizeof(cmd->macs)); 1908e705c121SKalle Valo return true; 1909e705c121SKalle Valo } 1910e705c121SKalle Valo #endif 1911e705c121SKalle Valo 1912e705c121SKalle Valo /* if no filters are configured, do nothing */ 1913e705c121SKalle Valo if (!mvm->bcast_filters) 1914e705c121SKalle Valo return false; 1915e705c121SKalle Valo 1916e705c121SKalle Valo /* configure and attach these filters for each associated sta vif */ 1917e705c121SKalle Valo ieee80211_iterate_active_interfaces( 1918e705c121SKalle Valo mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 1919e705c121SKalle Valo iwl_mvm_bcast_filter_iterator, &iter_data); 1920e705c121SKalle Valo 1921e705c121SKalle Valo return true; 1922e705c121SKalle Valo } 192334672bb3SEliad Peller 192434672bb3SEliad Peller static int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm) 1925e705c121SKalle Valo { 1926e705c121SKalle Valo struct iwl_bcast_filter_cmd cmd; 1927e705c121SKalle Valo 1928e705c121SKalle Valo if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING)) 1929e705c121SKalle Valo return 0; 1930e705c121SKalle Valo 1931e705c121SKalle Valo if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) 1932e705c121SKalle Valo return 0; 1933e705c121SKalle Valo 1934e705c121SKalle Valo return iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0, 1935e705c121SKalle Valo sizeof(cmd), &cmd); 1936e705c121SKalle Valo } 1937e705c121SKalle Valo #else 193834672bb3SEliad Peller static inline int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm) 1939e705c121SKalle Valo { 1940e705c121SKalle Valo return 0; 1941e705c121SKalle Valo } 1942e705c121SKalle Valo #endif 1943e705c121SKalle Valo 1944a07a8f37SSara Sharon static int iwl_mvm_update_mu_groups(struct iwl_mvm *mvm, 1945a07a8f37SSara Sharon struct ieee80211_vif *vif) 1946a07a8f37SSara Sharon { 1947a07a8f37SSara Sharon struct iwl_mu_group_mgmt_cmd cmd = {}; 1948a07a8f37SSara Sharon 1949a07a8f37SSara Sharon memcpy(cmd.membership_status, vif->bss_conf.mu_group.membership, 1950a07a8f37SSara Sharon WLAN_MEMBERSHIP_LEN); 1951a07a8f37SSara Sharon memcpy(cmd.user_position, vif->bss_conf.mu_group.position, 1952a07a8f37SSara Sharon WLAN_USER_POSITION_LEN); 1953a07a8f37SSara Sharon 1954a07a8f37SSara Sharon return iwl_mvm_send_cmd_pdu(mvm, 1955a07a8f37SSara Sharon WIDE_ID(DATA_PATH_GROUP, 1956a07a8f37SSara Sharon UPDATE_MU_GROUPS_CMD), 1957a07a8f37SSara Sharon 0, sizeof(cmd), &cmd); 1958a07a8f37SSara Sharon } 1959a07a8f37SSara Sharon 1960f92659a1SSara Sharon static void iwl_mvm_mu_mimo_iface_iterator(void *_data, u8 *mac, 1961f92659a1SSara Sharon struct ieee80211_vif *vif) 1962f92659a1SSara Sharon { 1963f92659a1SSara Sharon if (vif->mu_mimo_owner) { 1964f92659a1SSara Sharon struct iwl_mu_group_mgmt_notif *notif = _data; 1965f92659a1SSara Sharon 1966f92659a1SSara Sharon /* 1967f92659a1SSara Sharon * MU-MIMO Group Id action frame is little endian. We treat 1968f92659a1SSara Sharon * the data received from firmware as if it came from the 1969f92659a1SSara Sharon * action frame, so no conversion is needed. 1970f92659a1SSara Sharon */ 1971f92659a1SSara Sharon ieee80211_update_mu_groups(vif, 1972f92659a1SSara Sharon (u8 *)¬if->membership_status, 1973f92659a1SSara Sharon (u8 *)¬if->user_position); 1974f92659a1SSara Sharon } 1975f92659a1SSara Sharon } 1976f92659a1SSara Sharon 1977f92659a1SSara Sharon void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm, 1978f92659a1SSara Sharon struct iwl_rx_cmd_buffer *rxb) 1979f92659a1SSara Sharon { 1980f92659a1SSara Sharon struct iwl_rx_packet *pkt = rxb_addr(rxb); 1981f92659a1SSara Sharon struct iwl_mu_group_mgmt_notif *notif = (void *)pkt->data; 1982f92659a1SSara Sharon 1983f92659a1SSara Sharon ieee80211_iterate_active_interfaces_atomic( 1984f92659a1SSara Sharon mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 1985f92659a1SSara Sharon iwl_mvm_mu_mimo_iface_iterator, notif); 1986f92659a1SSara Sharon } 1987f92659a1SSara Sharon 1988514c3069SLuca Coelho static u8 iwl_mvm_he_get_ppe_val(u8 *ppe, u8 ppe_pos_bit) 1989514c3069SLuca Coelho { 1990514c3069SLuca Coelho u8 byte_num = ppe_pos_bit / 8; 1991514c3069SLuca Coelho u8 bit_num = ppe_pos_bit % 8; 1992514c3069SLuca Coelho u8 residue_bits; 1993514c3069SLuca Coelho u8 res; 1994514c3069SLuca Coelho 1995514c3069SLuca Coelho if (bit_num <= 5) 1996514c3069SLuca Coelho return (ppe[byte_num] >> bit_num) & 1997514c3069SLuca Coelho (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE) - 1); 1998514c3069SLuca Coelho 1999514c3069SLuca Coelho /* 2000514c3069SLuca Coelho * If bit_num > 5, we have to combine bits with next byte. 2001514c3069SLuca Coelho * Calculate how many bits we need to take from current byte (called 2002514c3069SLuca Coelho * here "residue_bits"), and add them to bits from next byte. 2003514c3069SLuca Coelho */ 2004514c3069SLuca Coelho 2005514c3069SLuca Coelho residue_bits = 8 - bit_num; 2006514c3069SLuca Coelho 2007514c3069SLuca Coelho res = (ppe[byte_num + 1] & 2008514c3069SLuca Coelho (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE - residue_bits) - 1)) << 2009514c3069SLuca Coelho residue_bits; 2010514c3069SLuca Coelho res += (ppe[byte_num] >> bit_num) & (BIT(residue_bits) - 1); 2011514c3069SLuca Coelho 2012514c3069SLuca Coelho return res; 2013514c3069SLuca Coelho } 2014514c3069SLuca Coelho 2015514c3069SLuca Coelho static void iwl_mvm_cfg_he_sta(struct iwl_mvm *mvm, 2016514c3069SLuca Coelho struct ieee80211_vif *vif, u8 sta_id) 2017514c3069SLuca Coelho { 2018514c3069SLuca Coelho struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2019514c3069SLuca Coelho struct iwl_he_sta_context_cmd sta_ctxt_cmd = { 2020514c3069SLuca Coelho .sta_id = sta_id, 2021514c3069SLuca Coelho .tid_limit = IWL_MAX_TID_COUNT, 2022514c3069SLuca Coelho .bss_color = vif->bss_conf.bss_color, 2023514c3069SLuca Coelho .htc_trig_based_pkt_ext = vif->bss_conf.htc_trig_based_pkt_ext, 2024514c3069SLuca Coelho .frame_time_rts_th = 2025514c3069SLuca Coelho cpu_to_le16(vif->bss_conf.frame_time_rts_th), 2026514c3069SLuca Coelho }; 2027d14ae796SSara Sharon int size = fw_has_api(&mvm->fw->ucode_capa, 2028d14ae796SSara Sharon IWL_UCODE_TLV_API_MBSSID_HE) ? 2029d14ae796SSara Sharon sizeof(sta_ctxt_cmd) : 2030d14ae796SSara Sharon sizeof(struct iwl_he_sta_context_cmd_v1); 2031514c3069SLuca Coelho struct ieee80211_sta *sta; 2032514c3069SLuca Coelho u32 flags; 2033514c3069SLuca Coelho int i; 2034514c3069SLuca Coelho 2035514c3069SLuca Coelho rcu_read_lock(); 2036514c3069SLuca Coelho 2037514c3069SLuca Coelho sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_ctxt_cmd.sta_id]); 2038*12d47f0eSAndrei Otcheretianski if (IS_ERR_OR_NULL(sta)) { 2039514c3069SLuca Coelho rcu_read_unlock(); 2040514c3069SLuca Coelho WARN(1, "Can't find STA to configure HE\n"); 2041514c3069SLuca Coelho return; 2042514c3069SLuca Coelho } 2043514c3069SLuca Coelho 2044514c3069SLuca Coelho if (!sta->he_cap.has_he) { 2045514c3069SLuca Coelho rcu_read_unlock(); 2046514c3069SLuca Coelho return; 2047514c3069SLuca Coelho } 2048514c3069SLuca Coelho 2049514c3069SLuca Coelho flags = 0; 2050514c3069SLuca Coelho 20514f58121dSIlan Peer /* Block 26-tone RU OFDMA transmissions */ 20524f58121dSIlan Peer if (mvmvif->he_ru_2mhz_block) 20534f58121dSIlan Peer flags |= STA_CTXT_HE_RU_2MHZ_BLOCK; 20544f58121dSIlan Peer 2055514c3069SLuca Coelho /* HTC flags */ 2056514c3069SLuca Coelho if (sta->he_cap.he_cap_elem.mac_cap_info[0] & 2057514c3069SLuca Coelho IEEE80211_HE_MAC_CAP0_HTC_HE) 2058514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_SUPPORT); 2059514c3069SLuca Coelho if ((sta->he_cap.he_cap_elem.mac_cap_info[1] & 2060514c3069SLuca Coelho IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION) || 2061514c3069SLuca Coelho (sta->he_cap.he_cap_elem.mac_cap_info[2] & 2062514c3069SLuca Coelho IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION)) { 2063514c3069SLuca Coelho u8 link_adap = 2064514c3069SLuca Coelho ((sta->he_cap.he_cap_elem.mac_cap_info[2] & 2065514c3069SLuca Coelho IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION) << 1) + 2066514c3069SLuca Coelho (sta->he_cap.he_cap_elem.mac_cap_info[1] & 2067514c3069SLuca Coelho IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION); 2068514c3069SLuca Coelho 2069514c3069SLuca Coelho if (link_adap == 2) 2070514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= 2071514c3069SLuca Coelho cpu_to_le32(IWL_HE_HTC_LINK_ADAP_UNSOLICITED); 2072514c3069SLuca Coelho else if (link_adap == 3) 2073514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= 2074514c3069SLuca Coelho cpu_to_le32(IWL_HE_HTC_LINK_ADAP_BOTH); 2075514c3069SLuca Coelho } 2076514c3069SLuca Coelho if (sta->he_cap.he_cap_elem.mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_BSR) 2077514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_BSR_SUPP); 2078514c3069SLuca Coelho if (sta->he_cap.he_cap_elem.mac_cap_info[3] & 2079514c3069SLuca Coelho IEEE80211_HE_MAC_CAP3_OMI_CONTROL) 2080514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_OMI_SUPP); 2081514c3069SLuca Coelho if (sta->he_cap.he_cap_elem.mac_cap_info[4] & IEEE80211_HE_MAC_CAP4_BQR) 2082514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_BQR_SUPP); 2083514c3069SLuca Coelho 2084189b8d44SNaftali Goldstein /* 2085189b8d44SNaftali Goldstein * Initialize the PPE thresholds to "None" (7), as described in Table 2086189b8d44SNaftali Goldstein * 9-262ac of 80211.ax/D3.0. 2087189b8d44SNaftali Goldstein */ 2088189b8d44SNaftali Goldstein memset(&sta_ctxt_cmd.pkt_ext, 7, sizeof(sta_ctxt_cmd.pkt_ext)); 2089189b8d44SNaftali Goldstein 2090189b8d44SNaftali Goldstein /* If PPE Thresholds exist, parse them into a FW-familiar format. */ 2091514c3069SLuca Coelho if (sta->he_cap.he_cap_elem.phy_cap_info[6] & 2092514c3069SLuca Coelho IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 2093514c3069SLuca Coelho u8 nss = (sta->he_cap.ppe_thres[0] & 2094514c3069SLuca Coelho IEEE80211_PPE_THRES_NSS_MASK) + 1; 2095514c3069SLuca Coelho u8 ru_index_bitmap = 2096514c3069SLuca Coelho (sta->he_cap.ppe_thres[0] & 2097514c3069SLuca Coelho IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK) >> 2098514c3069SLuca Coelho IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS; 2099514c3069SLuca Coelho u8 *ppe = &sta->he_cap.ppe_thres[0]; 2100514c3069SLuca Coelho u8 ppe_pos_bit = 7; /* Starting after PPE header */ 2101514c3069SLuca Coelho 2102514c3069SLuca Coelho /* 2103514c3069SLuca Coelho * FW currently supports only nss == MAX_HE_SUPP_NSS 2104514c3069SLuca Coelho * 2105514c3069SLuca Coelho * If nss > MAX: we can ignore values we don't support 2106514c3069SLuca Coelho * If nss < MAX: we can set zeros in other streams 2107514c3069SLuca Coelho */ 2108514c3069SLuca Coelho if (nss > MAX_HE_SUPP_NSS) { 2109514c3069SLuca Coelho IWL_INFO(mvm, "Got NSS = %d - trimming to %d\n", nss, 2110514c3069SLuca Coelho MAX_HE_SUPP_NSS); 2111514c3069SLuca Coelho nss = MAX_HE_SUPP_NSS; 2112514c3069SLuca Coelho } 2113514c3069SLuca Coelho 2114514c3069SLuca Coelho for (i = 0; i < nss; i++) { 2115514c3069SLuca Coelho u8 ru_index_tmp = ru_index_bitmap << 1; 2116514c3069SLuca Coelho u8 bw; 2117514c3069SLuca Coelho 2118514c3069SLuca Coelho for (bw = 0; bw < MAX_HE_CHANNEL_BW_INDX; bw++) { 2119514c3069SLuca Coelho ru_index_tmp >>= 1; 2120514c3069SLuca Coelho if (!(ru_index_tmp & 1)) 2121514c3069SLuca Coelho continue; 2122514c3069SLuca Coelho 2123514c3069SLuca Coelho sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw][1] = 2124514c3069SLuca Coelho iwl_mvm_he_get_ppe_val(ppe, 2125514c3069SLuca Coelho ppe_pos_bit); 2126514c3069SLuca Coelho ppe_pos_bit += 2127514c3069SLuca Coelho IEEE80211_PPE_THRES_INFO_PPET_SIZE; 2128514c3069SLuca Coelho sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw][0] = 2129514c3069SLuca Coelho iwl_mvm_he_get_ppe_val(ppe, 2130514c3069SLuca Coelho ppe_pos_bit); 2131514c3069SLuca Coelho ppe_pos_bit += 2132514c3069SLuca Coelho IEEE80211_PPE_THRES_INFO_PPET_SIZE; 2133514c3069SLuca Coelho } 2134514c3069SLuca Coelho } 2135514c3069SLuca Coelho 2136514c3069SLuca Coelho flags |= STA_CTXT_HE_PACKET_EXT; 213777ff2c6bSLiad Kaufman } else if ((sta->he_cap.he_cap_elem.phy_cap_info[9] & 213877ff2c6bSLiad Kaufman IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK) != 213977ff2c6bSLiad Kaufman IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_RESERVED) { 214077ff2c6bSLiad Kaufman int low_th = -1; 214177ff2c6bSLiad Kaufman int high_th = -1; 214277ff2c6bSLiad Kaufman 214377ff2c6bSLiad Kaufman /* Take the PPE thresholds from the nominal padding info */ 214477ff2c6bSLiad Kaufman switch (sta->he_cap.he_cap_elem.phy_cap_info[9] & 214577ff2c6bSLiad Kaufman IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK) { 214677ff2c6bSLiad Kaufman case IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_0US: 214777ff2c6bSLiad Kaufman low_th = IWL_HE_PKT_EXT_NONE; 214877ff2c6bSLiad Kaufman high_th = IWL_HE_PKT_EXT_NONE; 214977ff2c6bSLiad Kaufman break; 215077ff2c6bSLiad Kaufman case IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_8US: 215177ff2c6bSLiad Kaufman low_th = IWL_HE_PKT_EXT_BPSK; 215277ff2c6bSLiad Kaufman high_th = IWL_HE_PKT_EXT_NONE; 215377ff2c6bSLiad Kaufman break; 215477ff2c6bSLiad Kaufman case IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US: 215577ff2c6bSLiad Kaufman low_th = IWL_HE_PKT_EXT_NONE; 215677ff2c6bSLiad Kaufman high_th = IWL_HE_PKT_EXT_BPSK; 215777ff2c6bSLiad Kaufman break; 215877ff2c6bSLiad Kaufman } 215977ff2c6bSLiad Kaufman 216077ff2c6bSLiad Kaufman /* Set the PPE thresholds accordingly */ 216177ff2c6bSLiad Kaufman if (low_th >= 0 && high_th >= 0) { 21620bfefe2fSLiad Kaufman struct iwl_he_pkt_ext *pkt_ext = 21630bfefe2fSLiad Kaufman (struct iwl_he_pkt_ext *)&sta_ctxt_cmd.pkt_ext; 216477ff2c6bSLiad Kaufman 216577ff2c6bSLiad Kaufman for (i = 0; i < MAX_HE_SUPP_NSS; i++) { 216677ff2c6bSLiad Kaufman u8 bw; 216777ff2c6bSLiad Kaufman 216877ff2c6bSLiad Kaufman for (bw = 0; bw < MAX_HE_CHANNEL_BW_INDX; 216977ff2c6bSLiad Kaufman bw++) { 21700bfefe2fSLiad Kaufman pkt_ext->pkt_ext_qam_th[i][bw][0] = 21710bfefe2fSLiad Kaufman low_th; 21720bfefe2fSLiad Kaufman pkt_ext->pkt_ext_qam_th[i][bw][1] = 21730bfefe2fSLiad Kaufman high_th; 217477ff2c6bSLiad Kaufman } 217577ff2c6bSLiad Kaufman } 217677ff2c6bSLiad Kaufman 217777ff2c6bSLiad Kaufman flags |= STA_CTXT_HE_PACKET_EXT; 217877ff2c6bSLiad Kaufman } 2179514c3069SLuca Coelho } 2180514c3069SLuca Coelho rcu_read_unlock(); 2181514c3069SLuca Coelho 2182514c3069SLuca Coelho /* Mark MU EDCA as enabled, unless none detected on some AC */ 2183514c3069SLuca Coelho flags |= STA_CTXT_HE_MU_EDCA_CW; 21845cc74f65SShaul Triebitz for (i = 0; i < IEEE80211_NUM_ACS; i++) { 2185514c3069SLuca Coelho struct ieee80211_he_mu_edca_param_ac_rec *mu_edca = 2186514c3069SLuca Coelho &mvmvif->queue_params[i].mu_edca_param_rec; 21875cc74f65SShaul Triebitz u8 ac = iwl_mvm_mac80211_ac_to_ucode_ac(i); 2188514c3069SLuca Coelho 2189514c3069SLuca Coelho if (!mvmvif->queue_params[i].mu_edca) { 2190514c3069SLuca Coelho flags &= ~STA_CTXT_HE_MU_EDCA_CW; 2191514c3069SLuca Coelho break; 2192514c3069SLuca Coelho } 2193514c3069SLuca Coelho 21945cc74f65SShaul Triebitz sta_ctxt_cmd.trig_based_txf[ac].cwmin = 2195514c3069SLuca Coelho cpu_to_le16(mu_edca->ecw_min_max & 0xf); 21965cc74f65SShaul Triebitz sta_ctxt_cmd.trig_based_txf[ac].cwmax = 2197514c3069SLuca Coelho cpu_to_le16((mu_edca->ecw_min_max & 0xf0) >> 4); 21985cc74f65SShaul Triebitz sta_ctxt_cmd.trig_based_txf[ac].aifsn = 2199514c3069SLuca Coelho cpu_to_le16(mu_edca->aifsn); 22005cc74f65SShaul Triebitz sta_ctxt_cmd.trig_based_txf[ac].mu_time = 2201514c3069SLuca Coelho cpu_to_le16(mu_edca->mu_edca_timer); 2202514c3069SLuca Coelho } 2203514c3069SLuca Coelho 2204514c3069SLuca Coelho if (vif->bss_conf.multi_sta_back_32bit) 2205514c3069SLuca Coelho flags |= STA_CTXT_HE_32BIT_BA_BITMAP; 2206514c3069SLuca Coelho 2207514c3069SLuca Coelho if (vif->bss_conf.ack_enabled) 2208514c3069SLuca Coelho flags |= STA_CTXT_HE_ACK_ENABLED; 2209514c3069SLuca Coelho 2210514c3069SLuca Coelho if (vif->bss_conf.uora_exists) { 2211514c3069SLuca Coelho flags |= STA_CTXT_HE_TRIG_RND_ALLOC; 2212514c3069SLuca Coelho 2213514c3069SLuca Coelho sta_ctxt_cmd.rand_alloc_ecwmin = 2214514c3069SLuca Coelho vif->bss_conf.uora_ocw_range & 0x7; 2215514c3069SLuca Coelho sta_ctxt_cmd.rand_alloc_ecwmax = 2216514c3069SLuca Coelho (vif->bss_conf.uora_ocw_range >> 3) & 0x7; 2217514c3069SLuca Coelho } 2218514c3069SLuca Coelho 2219918cbf39SSara Sharon if (vif->bss_conf.nontransmitted) { 2220918cbf39SSara Sharon flags |= STA_CTXT_HE_REF_BSSID_VALID; 2221918cbf39SSara Sharon ether_addr_copy(sta_ctxt_cmd.ref_bssid_addr, 2222918cbf39SSara Sharon vif->bss_conf.transmitter_bssid); 2223d14ae796SSara Sharon sta_ctxt_cmd.max_bssid_indicator = 2224d14ae796SSara Sharon vif->bss_conf.bssid_indicator; 2225d14ae796SSara Sharon sta_ctxt_cmd.bssid_index = vif->bss_conf.bssid_index; 2226d14ae796SSara Sharon sta_ctxt_cmd.ema_ap = vif->bss_conf.ema_ap; 2227d14ae796SSara Sharon sta_ctxt_cmd.profile_periodicity = 2228d14ae796SSara Sharon vif->bss_conf.profile_periodicity; 2229918cbf39SSara Sharon } 2230514c3069SLuca Coelho 2231514c3069SLuca Coelho sta_ctxt_cmd.flags = cpu_to_le32(flags); 2232514c3069SLuca Coelho 2233514c3069SLuca Coelho if (iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(STA_HE_CTXT_CMD, 2234514c3069SLuca Coelho DATA_PATH_GROUP, 0), 2235d14ae796SSara Sharon 0, size, &sta_ctxt_cmd)) 2236514c3069SLuca Coelho IWL_ERR(mvm, "Failed to config FW to work HE!\n"); 2237514c3069SLuca Coelho } 2238514c3069SLuca Coelho 2239e705c121SKalle Valo static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, 2240e705c121SKalle Valo struct ieee80211_vif *vif, 2241e705c121SKalle Valo struct ieee80211_bss_conf *bss_conf, 2242e705c121SKalle Valo u32 changes) 2243e705c121SKalle Valo { 2244e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2245e705c121SKalle Valo int ret; 2246e705c121SKalle Valo 2247e705c121SKalle Valo /* 2248e705c121SKalle Valo * Re-calculate the tsf id, as the master-slave relations depend on the 2249e705c121SKalle Valo * beacon interval, which was not known when the station interface was 2250e705c121SKalle Valo * added. 2251e705c121SKalle Valo */ 2252514c3069SLuca Coelho if (changes & BSS_CHANGED_ASSOC && bss_conf->assoc) { 2253230ba6c5SLuca Coelho if (vif->bss_conf.he_support && 2254230ba6c5SLuca Coelho !iwlwifi_mod_params.disable_11ax) 2255514c3069SLuca Coelho iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->ap_sta_id); 2256514c3069SLuca Coelho 2257e705c121SKalle Valo iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); 2258514c3069SLuca Coelho } 2259e705c121SKalle Valo 226040ecdd01SShaul Triebitz /* Update MU EDCA params */ 226140ecdd01SShaul Triebitz if (changes & BSS_CHANGED_QOS && mvmvif->associated && 226240ecdd01SShaul Triebitz bss_conf->assoc && vif->bss_conf.he_support && 226340ecdd01SShaul Triebitz !iwlwifi_mod_params.disable_11ax) 226440ecdd01SShaul Triebitz iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->ap_sta_id); 226540ecdd01SShaul Triebitz 2266e705c121SKalle Valo /* 2267e705c121SKalle Valo * If we're not associated yet, take the (new) BSSID before associating 2268e705c121SKalle Valo * so the firmware knows. If we're already associated, then use the old 2269e705c121SKalle Valo * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC 2270e705c121SKalle Valo * branch for disassociation below. 2271e705c121SKalle Valo */ 2272e705c121SKalle Valo if (changes & BSS_CHANGED_BSSID && !mvmvif->associated) 2273e705c121SKalle Valo memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN); 2274e705c121SKalle Valo 2275e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, mvmvif->bssid); 2276e705c121SKalle Valo if (ret) 2277e705c121SKalle Valo IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); 2278e705c121SKalle Valo 2279e705c121SKalle Valo /* after sending it once, adopt mac80211 data */ 2280e705c121SKalle Valo memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN); 2281e705c121SKalle Valo mvmvif->associated = bss_conf->assoc; 2282e705c121SKalle Valo 2283e705c121SKalle Valo if (changes & BSS_CHANGED_ASSOC) { 2284e705c121SKalle Valo if (bss_conf->assoc) { 2285e705c121SKalle Valo /* clear statistics to get clean beacon counter */ 2286e705c121SKalle Valo iwl_mvm_request_statistics(mvm, true); 2287e705c121SKalle Valo memset(&mvmvif->beacon_stats, 0, 2288e705c121SKalle Valo sizeof(mvmvif->beacon_stats)); 2289e705c121SKalle Valo 2290e705c121SKalle Valo /* add quota for this interface */ 2291e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, true, NULL); 2292e705c121SKalle Valo if (ret) { 2293e705c121SKalle Valo IWL_ERR(mvm, "failed to update quotas\n"); 2294e705c121SKalle Valo return; 2295e705c121SKalle Valo } 2296e705c121SKalle Valo 2297e705c121SKalle Valo if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 2298fe959c7bSEmmanuel Grumbach &mvm->status) && 2299fe959c7bSEmmanuel Grumbach !fw_has_capa(&mvm->fw->ucode_capa, 2300fe959c7bSEmmanuel Grumbach IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) { 2301e705c121SKalle Valo /* 2302e705c121SKalle Valo * If we're restarting then the firmware will 2303e705c121SKalle Valo * obviously have lost synchronisation with 2304e705c121SKalle Valo * the AP. It will attempt to synchronise by 2305e705c121SKalle Valo * itself, but we can make it more reliable by 2306e705c121SKalle Valo * scheduling a session protection time event. 2307e705c121SKalle Valo * 2308e705c121SKalle Valo * The firmware needs to receive a beacon to 2309e705c121SKalle Valo * catch up with synchronisation, use 110% of 2310e705c121SKalle Valo * the beacon interval. 2311e705c121SKalle Valo * 2312e705c121SKalle Valo * Set a large maximum delay to allow for more 2313e705c121SKalle Valo * than a single interface. 2314fe959c7bSEmmanuel Grumbach * 2315fe959c7bSEmmanuel Grumbach * For new firmware versions, rely on the 2316fe959c7bSEmmanuel Grumbach * firmware. This is relevant for DCM scenarios 2317fe959c7bSEmmanuel Grumbach * only anyway. 2318e705c121SKalle Valo */ 2319e705c121SKalle Valo u32 dur = (11 * vif->bss_conf.beacon_int) / 10; 2320e705c121SKalle Valo iwl_mvm_protect_session(mvm, vif, dur, dur, 2321e705c121SKalle Valo 5 * dur, false); 2322e705c121SKalle Valo } 2323e705c121SKalle Valo 2324e705c121SKalle Valo iwl_mvm_sf_update(mvm, vif, false); 2325e705c121SKalle Valo iwl_mvm_power_vif_assoc(mvm, vif); 2326e705c121SKalle Valo if (vif->p2p) { 2327e705c121SKalle Valo iwl_mvm_update_smps(mvm, vif, 2328e705c121SKalle Valo IWL_MVM_SMPS_REQ_PROT, 2329e705c121SKalle Valo IEEE80211_SMPS_DYNAMIC); 2330e705c121SKalle Valo } 23310ae98812SSara Sharon } else if (mvmvif->ap_sta_id != IWL_MVM_INVALID_STA) { 2332e705c121SKalle Valo /* 2333e705c121SKalle Valo * If update fails - SF might be running in associated 2334e705c121SKalle Valo * mode while disassociated - which is forbidden. 2335e705c121SKalle Valo */ 233669e508b4SIlan Peer ret = iwl_mvm_sf_update(mvm, vif, false); 233769e508b4SIlan Peer WARN_ONCE(ret && 233869e508b4SIlan Peer !test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 233969e508b4SIlan Peer &mvm->status), 2340e705c121SKalle Valo "Failed to update SF upon disassociation\n"); 2341e705c121SKalle Valo 23426b28f978SEmmanuel Grumbach /* 23436b28f978SEmmanuel Grumbach * If we get an assert during the connection (after the 23446b28f978SEmmanuel Grumbach * station has been added, but before the vif is set 23456b28f978SEmmanuel Grumbach * to associated), mac80211 will re-add the station and 23466b28f978SEmmanuel Grumbach * then configure the vif. Since the vif is not 23476b28f978SEmmanuel Grumbach * associated, we would remove the station here and 23486b28f978SEmmanuel Grumbach * this would fail the recovery. 23496b28f978SEmmanuel Grumbach */ 23506b28f978SEmmanuel Grumbach if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 23516b28f978SEmmanuel Grumbach &mvm->status)) { 23526b28f978SEmmanuel Grumbach /* 23536b28f978SEmmanuel Grumbach * Remove AP station now that 23546b28f978SEmmanuel Grumbach * the MAC is unassoc 23556b28f978SEmmanuel Grumbach */ 23566b28f978SEmmanuel Grumbach ret = iwl_mvm_rm_sta_id(mvm, vif, 23576b28f978SEmmanuel Grumbach mvmvif->ap_sta_id); 2358e705c121SKalle Valo if (ret) 23596b28f978SEmmanuel Grumbach IWL_ERR(mvm, 23606b28f978SEmmanuel Grumbach "failed to remove AP station\n"); 2361e705c121SKalle Valo 23620ae98812SSara Sharon mvmvif->ap_sta_id = IWL_MVM_INVALID_STA; 23636b28f978SEmmanuel Grumbach } 23646b28f978SEmmanuel Grumbach 2365e705c121SKalle Valo /* remove quota for this interface */ 2366e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, false, NULL); 2367e705c121SKalle Valo if (ret) 2368e705c121SKalle Valo IWL_ERR(mvm, "failed to update quotas\n"); 2369e705c121SKalle Valo 2370e705c121SKalle Valo /* this will take the cleared BSSID from bss_conf */ 2371e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 2372e705c121SKalle Valo if (ret) 2373e705c121SKalle Valo IWL_ERR(mvm, 2374e705c121SKalle Valo "failed to update MAC %pM (clear after unassoc)\n", 2375e705c121SKalle Valo vif->addr); 2376e705c121SKalle Valo } 2377e705c121SKalle Valo 2378a07a8f37SSara Sharon /* 2379a07a8f37SSara Sharon * The firmware tracks the MU-MIMO group on its own. 2380f92659a1SSara Sharon * However, on HW restart we should restore this data. 2381a07a8f37SSara Sharon */ 2382a07a8f37SSara Sharon if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 2383f92659a1SSara Sharon (changes & BSS_CHANGED_MU_GROUPS) && vif->mu_mimo_owner) { 2384a07a8f37SSara Sharon ret = iwl_mvm_update_mu_groups(mvm, vif); 2385a07a8f37SSara Sharon if (ret) 2386a07a8f37SSara Sharon IWL_ERR(mvm, 2387a07a8f37SSara Sharon "failed to update VHT MU_MIMO groups\n"); 2388a07a8f37SSara Sharon } 2389a07a8f37SSara Sharon 2390e705c121SKalle Valo iwl_mvm_recalc_multicast(mvm); 239134672bb3SEliad Peller iwl_mvm_configure_bcast_filter(mvm); 2392e705c121SKalle Valo 2393e705c121SKalle Valo /* reset rssi values */ 2394e705c121SKalle Valo mvmvif->bf_data.ave_beacon_signal = 0; 2395e705c121SKalle Valo 2396e705c121SKalle Valo iwl_mvm_bt_coex_vif_change(mvm); 2397e705c121SKalle Valo iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_TT, 2398e705c121SKalle Valo IEEE80211_SMPS_AUTOMATIC); 2399355346baSAvraham Stern if (fw_has_capa(&mvm->fw->ucode_capa, 2400355346baSAvraham Stern IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 2401355346baSAvraham Stern iwl_mvm_config_scan(mvm); 2402b45242c9SAvraham Stern } 2403b45242c9SAvraham Stern 2404b45242c9SAvraham Stern if (changes & BSS_CHANGED_BEACON_INFO) { 2405e705c121SKalle Valo /* 2406b45242c9SAvraham Stern * We received a beacon from the associated AP so 2407e705c121SKalle Valo * remove the session protection. 2408fe959c7bSEmmanuel Grumbach * A firmware with the new API will remove it automatically. 2409e705c121SKalle Valo */ 2410fe959c7bSEmmanuel Grumbach if (!fw_has_capa(&mvm->fw->ucode_capa, 2411fe959c7bSEmmanuel Grumbach IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) 24123edfb5f4SAvraham Stern iwl_mvm_stop_session_protection(mvm, vif); 2413e705c121SKalle Valo 2414e705c121SKalle Valo iwl_mvm_sf_update(mvm, vif, false); 2415e705c121SKalle Valo WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0)); 2416e705c121SKalle Valo } 2417e705c121SKalle Valo 2418283115fbSAvri Altman if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS | 2419283115fbSAvri Altman /* 2420283115fbSAvri Altman * Send power command on every beacon change, 2421283115fbSAvri Altman * because we may have not enabled beacon abort yet. 2422283115fbSAvri Altman */ 2423283115fbSAvri Altman BSS_CHANGED_BEACON_INFO)) { 2424e705c121SKalle Valo ret = iwl_mvm_power_update_mac(mvm); 2425e705c121SKalle Valo if (ret) 2426e705c121SKalle Valo IWL_ERR(mvm, "failed to update power mode\n"); 2427e705c121SKalle Valo } 2428e705c121SKalle Valo 2429e705c121SKalle Valo if (changes & BSS_CHANGED_TXPOWER) { 2430e705c121SKalle Valo IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n", 2431e705c121SKalle Valo bss_conf->txpower); 2432e705c121SKalle Valo iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower); 2433e705c121SKalle Valo } 2434e705c121SKalle Valo 2435e705c121SKalle Valo if (changes & BSS_CHANGED_CQM) { 2436e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "cqm info_changed\n"); 2437e705c121SKalle Valo /* reset cqm events tracking */ 2438e705c121SKalle Valo mvmvif->bf_data.last_cqm_event = 0; 2439e705c121SKalle Valo if (mvmvif->bf_data.bf_enabled) { 2440e705c121SKalle Valo ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0); 2441e705c121SKalle Valo if (ret) 2442e705c121SKalle Valo IWL_ERR(mvm, 2443e705c121SKalle Valo "failed to update CQM thresholds\n"); 2444e705c121SKalle Valo } 2445e705c121SKalle Valo } 2446e705c121SKalle Valo 2447e705c121SKalle Valo if (changes & BSS_CHANGED_ARP_FILTER) { 2448e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "arp filter changed\n"); 244934672bb3SEliad Peller iwl_mvm_configure_bcast_filter(mvm); 2450e705c121SKalle Valo } 2451e705c121SKalle Valo } 2452e705c121SKalle Valo 2453e705c121SKalle Valo static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw, 2454e705c121SKalle Valo struct ieee80211_vif *vif) 2455e705c121SKalle Valo { 2456e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2457e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2458c56e00a3SJohannes Berg int ret, i; 2459e705c121SKalle Valo 2460e705c121SKalle Valo mutex_lock(&mvm->mutex); 2461e705c121SKalle Valo 2462e705c121SKalle Valo /* Send the beacon template */ 2463e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif); 2464e705c121SKalle Valo if (ret) 2465e705c121SKalle Valo goto out_unlock; 2466e705c121SKalle Valo 2467e705c121SKalle Valo /* 2468e705c121SKalle Valo * Re-calculate the tsf id, as the master-slave relations depend on the 2469e705c121SKalle Valo * beacon interval, which was not known when the AP interface was added. 2470e705c121SKalle Valo */ 2471e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP) 2472e705c121SKalle Valo iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); 2473e705c121SKalle Valo 2474e705c121SKalle Valo mvmvif->ap_assoc_sta_count = 0; 2475e705c121SKalle Valo 2476e705c121SKalle Valo /* Add the mac context */ 2477e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_add(mvm, vif); 2478e705c121SKalle Valo if (ret) 2479e705c121SKalle Valo goto out_unlock; 2480e705c121SKalle Valo 2481e705c121SKalle Valo /* Perform the binding */ 2482e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 2483e705c121SKalle Valo if (ret) 2484e705c121SKalle Valo goto out_remove; 2485e705c121SKalle Valo 248663dd5d02SSara Sharon /* 248763dd5d02SSara Sharon * This is not very nice, but the simplest: 248863dd5d02SSara Sharon * For older FWs adding the mcast sta before the bcast station may 248963dd5d02SSara Sharon * cause assert 0x2b00. 249063dd5d02SSara Sharon * This is fixed in later FW so make the order of removal depend on 249163dd5d02SSara Sharon * the TLV 249263dd5d02SSara Sharon */ 249363dd5d02SSara Sharon if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) { 2494ced19f26SSara Sharon ret = iwl_mvm_add_mcast_sta(mvm, vif); 2495ced19f26SSara Sharon if (ret) 2496ced19f26SSara Sharon goto out_unbind; 249763dd5d02SSara Sharon /* 249863dd5d02SSara Sharon * Send the bcast station. At this stage the TBTT and DTIM time 249963dd5d02SSara Sharon * events are added and applied to the scheduler 250063dd5d02SSara Sharon */ 2501e705c121SKalle Valo ret = iwl_mvm_send_add_bcast_sta(mvm, vif); 250263dd5d02SSara Sharon if (ret) { 250363dd5d02SSara Sharon iwl_mvm_rm_mcast_sta(mvm, vif); 250463dd5d02SSara Sharon goto out_unbind; 250563dd5d02SSara Sharon } 250663dd5d02SSara Sharon } else { 250763dd5d02SSara Sharon /* 250863dd5d02SSara Sharon * Send the bcast station. At this stage the TBTT and DTIM time 250963dd5d02SSara Sharon * events are added and applied to the scheduler 251063dd5d02SSara Sharon */ 251175fd4fecSJohannes Berg ret = iwl_mvm_send_add_bcast_sta(mvm, vif); 2512e705c121SKalle Valo if (ret) 251363dd5d02SSara Sharon goto out_unbind; 251475fd4fecSJohannes Berg ret = iwl_mvm_add_mcast_sta(mvm, vif); 251563dd5d02SSara Sharon if (ret) { 251663dd5d02SSara Sharon iwl_mvm_send_rm_bcast_sta(mvm, vif); 251763dd5d02SSara Sharon goto out_unbind; 251863dd5d02SSara Sharon } 251963dd5d02SSara Sharon } 252026d6c16bSSara Sharon 2521e705c121SKalle Valo /* must be set before quota calculations */ 2522e705c121SKalle Valo mvmvif->ap_ibss_active = true; 2523e705c121SKalle Valo 2524c56e00a3SJohannes Berg /* send all the early keys to the device now */ 2525c56e00a3SJohannes Berg for (i = 0; i < ARRAY_SIZE(mvmvif->ap_early_keys); i++) { 2526c56e00a3SJohannes Berg struct ieee80211_key_conf *key = mvmvif->ap_early_keys[i]; 2527c56e00a3SJohannes Berg 2528c56e00a3SJohannes Berg if (!key) 2529c56e00a3SJohannes Berg continue; 2530c56e00a3SJohannes Berg 2531c56e00a3SJohannes Berg mvmvif->ap_early_keys[i] = NULL; 2532c56e00a3SJohannes Berg 25336569e7d3SJohannes Berg ret = __iwl_mvm_mac_set_key(hw, SET_KEY, vif, NULL, key); 2534c56e00a3SJohannes Berg if (ret) 2535c56e00a3SJohannes Berg goto out_quota_failed; 2536c56e00a3SJohannes Berg } 2537c56e00a3SJohannes Berg 253847242744STova Mussai if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { 253947242744STova Mussai iwl_mvm_vif_set_low_latency(mvmvif, true, 254047242744STova Mussai LOW_LATENCY_VIF_TYPE); 254147242744STova Mussai iwl_mvm_send_low_latency_cmd(mvm, true, mvmvif->id); 254247242744STova Mussai } 254347242744STova Mussai 2544e705c121SKalle Valo /* power updated needs to be done before quotas */ 2545e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 2546e705c121SKalle Valo 2547e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, false, NULL); 2548e705c121SKalle Valo if (ret) 2549e705c121SKalle Valo goto out_quota_failed; 2550e705c121SKalle Valo 2551e705c121SKalle Valo /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ 2552e705c121SKalle Valo if (vif->p2p && mvm->p2p_device_vif) 2553e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); 2554e705c121SKalle Valo 2555e705c121SKalle Valo iwl_mvm_bt_coex_vif_change(mvm); 2556e705c121SKalle Valo 2557e705c121SKalle Valo /* we don't support TDLS during DCM */ 2558e705c121SKalle Valo if (iwl_mvm_phy_ctx_count(mvm) > 1) 2559e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 2560e705c121SKalle Valo 2561b73f9a4aSJohannes Berg iwl_mvm_ftm_restart_responder(mvm, vif); 2562b73f9a4aSJohannes Berg 2563e705c121SKalle Valo goto out_unlock; 2564e705c121SKalle Valo 2565e705c121SKalle Valo out_quota_failed: 2566e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 2567e705c121SKalle Valo mvmvif->ap_ibss_active = false; 2568e705c121SKalle Valo iwl_mvm_send_rm_bcast_sta(mvm, vif); 2569ced19f26SSara Sharon iwl_mvm_rm_mcast_sta(mvm, vif); 2570e705c121SKalle Valo out_unbind: 2571e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 2572e705c121SKalle Valo out_remove: 2573e705c121SKalle Valo iwl_mvm_mac_ctxt_remove(mvm, vif); 2574e705c121SKalle Valo out_unlock: 2575e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2576e705c121SKalle Valo return ret; 2577e705c121SKalle Valo } 2578e705c121SKalle Valo 2579e705c121SKalle Valo static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw, 2580e705c121SKalle Valo struct ieee80211_vif *vif) 2581e705c121SKalle Valo { 2582e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2583e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2584e705c121SKalle Valo 2585e705c121SKalle Valo iwl_mvm_prepare_mac_removal(mvm, vif); 2586e705c121SKalle Valo 2587e705c121SKalle Valo mutex_lock(&mvm->mutex); 2588e705c121SKalle Valo 2589e705c121SKalle Valo /* Handle AP stop while in CSA */ 2590e705c121SKalle Valo if (rcu_access_pointer(mvm->csa_vif) == vif) { 2591e705c121SKalle Valo iwl_mvm_remove_time_event(mvm, mvmvif, 2592e705c121SKalle Valo &mvmvif->time_event_data); 2593e705c121SKalle Valo RCU_INIT_POINTER(mvm->csa_vif, NULL); 2594e705c121SKalle Valo mvmvif->csa_countdown = false; 2595e705c121SKalle Valo } 2596e705c121SKalle Valo 2597e705c121SKalle Valo if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) { 2598e705c121SKalle Valo RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); 2599e705c121SKalle Valo mvm->csa_tx_block_bcn_timeout = 0; 2600e705c121SKalle Valo } 2601e705c121SKalle Valo 2602e705c121SKalle Valo mvmvif->ap_ibss_active = false; 2603e705c121SKalle Valo mvm->ap_last_beacon_gp2 = 0; 2604e705c121SKalle Valo 260547242744STova Mussai if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { 260647242744STova Mussai iwl_mvm_vif_set_low_latency(mvmvif, false, 260747242744STova Mussai LOW_LATENCY_VIF_TYPE); 260847242744STova Mussai iwl_mvm_send_low_latency_cmd(mvm, false, mvmvif->id); 260947242744STova Mussai } 261047242744STova Mussai 2611e705c121SKalle Valo iwl_mvm_bt_coex_vif_change(mvm); 2612e705c121SKalle Valo 2613e705c121SKalle Valo /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ 2614e705c121SKalle Valo if (vif->p2p && mvm->p2p_device_vif) 2615e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); 2616e705c121SKalle Valo 2617e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, NULL); 2618ced19f26SSara Sharon 2619ced19f26SSara Sharon /* 2620ced19f26SSara Sharon * This is not very nice, but the simplest: 2621ced19f26SSara Sharon * For older FWs removing the mcast sta before the bcast station may 2622ced19f26SSara Sharon * cause assert 0x2b00. 2623ced19f26SSara Sharon * This is fixed in later FW (which will stop beaconing when removing 2624ced19f26SSara Sharon * bcast station). 2625ced19f26SSara Sharon * So make the order of removal depend on the TLV 2626ced19f26SSara Sharon */ 2627ced19f26SSara Sharon if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) 262826d6c16bSSara Sharon iwl_mvm_rm_mcast_sta(mvm, vif); 2629e705c121SKalle Valo iwl_mvm_send_rm_bcast_sta(mvm, vif); 2630ced19f26SSara Sharon if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) 2631ced19f26SSara Sharon iwl_mvm_rm_mcast_sta(mvm, vif); 2632e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 2633e705c121SKalle Valo 2634e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 2635e705c121SKalle Valo 2636e705c121SKalle Valo iwl_mvm_mac_ctxt_remove(mvm, vif); 2637e705c121SKalle Valo 2638e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2639e705c121SKalle Valo } 2640e705c121SKalle Valo 2641e705c121SKalle Valo static void 2642e705c121SKalle Valo iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm, 2643e705c121SKalle Valo struct ieee80211_vif *vif, 2644e705c121SKalle Valo struct ieee80211_bss_conf *bss_conf, 2645e705c121SKalle Valo u32 changes) 2646e705c121SKalle Valo { 2647e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2648e705c121SKalle Valo 2649e705c121SKalle Valo /* Changes will be applied when the AP/IBSS is started */ 2650e705c121SKalle Valo if (!mvmvif->ap_ibss_active) 2651e705c121SKalle Valo return; 2652e705c121SKalle Valo 2653e705c121SKalle Valo if (changes & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT | 2654e705c121SKalle Valo BSS_CHANGED_BANDWIDTH | BSS_CHANGED_QOS) && 2655e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL)) 2656e705c121SKalle Valo IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); 2657e705c121SKalle Valo 2658e705c121SKalle Valo /* Need to send a new beacon template to the FW */ 2659e705c121SKalle Valo if (changes & BSS_CHANGED_BEACON && 2660e705c121SKalle Valo iwl_mvm_mac_ctxt_beacon_changed(mvm, vif)) 2661e705c121SKalle Valo IWL_WARN(mvm, "Failed updating beacon data\n"); 2662e705c121SKalle Valo 2663e705c121SKalle Valo if (changes & BSS_CHANGED_TXPOWER) { 2664e705c121SKalle Valo IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n", 2665e705c121SKalle Valo bss_conf->txpower); 2666e705c121SKalle Valo iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower); 2667e705c121SKalle Valo } 2668b73f9a4aSJohannes Berg 2669b73f9a4aSJohannes Berg if (changes & BSS_CHANGED_FTM_RESPONDER) { 2670b73f9a4aSJohannes Berg int ret = iwl_mvm_ftm_start_responder(mvm, vif); 2671b73f9a4aSJohannes Berg 2672b73f9a4aSJohannes Berg if (ret) 2673b73f9a4aSJohannes Berg IWL_WARN(mvm, "Failed to enable FTM responder (%d)\n", 2674b73f9a4aSJohannes Berg ret); 2675b73f9a4aSJohannes Berg } 2676b73f9a4aSJohannes Berg 2677e705c121SKalle Valo } 2678e705c121SKalle Valo 2679e705c121SKalle Valo static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw, 2680e705c121SKalle Valo struct ieee80211_vif *vif, 2681e705c121SKalle Valo struct ieee80211_bss_conf *bss_conf, 2682e705c121SKalle Valo u32 changes) 2683e705c121SKalle Valo { 2684e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2685e705c121SKalle Valo 2686e705c121SKalle Valo mutex_lock(&mvm->mutex); 2687e705c121SKalle Valo 2688e705c121SKalle Valo if (changes & BSS_CHANGED_IDLE && !bss_conf->idle) 2689e705c121SKalle Valo iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, true); 2690e705c121SKalle Valo 2691e705c121SKalle Valo switch (vif->type) { 2692e705c121SKalle Valo case NL80211_IFTYPE_STATION: 2693e705c121SKalle Valo iwl_mvm_bss_info_changed_station(mvm, vif, bss_conf, changes); 2694e705c121SKalle Valo break; 2695e705c121SKalle Valo case NL80211_IFTYPE_AP: 2696e705c121SKalle Valo case NL80211_IFTYPE_ADHOC: 2697e705c121SKalle Valo iwl_mvm_bss_info_changed_ap_ibss(mvm, vif, bss_conf, changes); 2698e705c121SKalle Valo break; 269991b08c2dSAviya Erenfeld case NL80211_IFTYPE_MONITOR: 270091b08c2dSAviya Erenfeld if (changes & BSS_CHANGED_MU_GROUPS) 270191b08c2dSAviya Erenfeld iwl_mvm_update_mu_groups(mvm, vif); 270291b08c2dSAviya Erenfeld break; 2703e705c121SKalle Valo default: 2704e705c121SKalle Valo /* shouldn't happen */ 2705e705c121SKalle Valo WARN_ON_ONCE(1); 2706e705c121SKalle Valo } 2707e705c121SKalle Valo 2708e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2709e705c121SKalle Valo } 2710e705c121SKalle Valo 2711e705c121SKalle Valo static int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw, 2712e705c121SKalle Valo struct ieee80211_vif *vif, 2713e705c121SKalle Valo struct ieee80211_scan_request *hw_req) 2714e705c121SKalle Valo { 2715e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2716e705c121SKalle Valo int ret; 2717e705c121SKalle Valo 2718e705c121SKalle Valo if (hw_req->req.n_channels == 0 || 2719e705c121SKalle Valo hw_req->req.n_channels > mvm->fw->ucode_capa.n_scan_channels) 2720e705c121SKalle Valo return -EINVAL; 2721e705c121SKalle Valo 2722e705c121SKalle Valo mutex_lock(&mvm->mutex); 2723e705c121SKalle Valo ret = iwl_mvm_reg_scan_start(mvm, vif, &hw_req->req, &hw_req->ies); 2724e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2725e705c121SKalle Valo 2726e705c121SKalle Valo return ret; 2727e705c121SKalle Valo } 2728e705c121SKalle Valo 2729e705c121SKalle Valo static void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw, 2730e705c121SKalle Valo struct ieee80211_vif *vif) 2731e705c121SKalle Valo { 2732e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2733e705c121SKalle Valo 2734e705c121SKalle Valo mutex_lock(&mvm->mutex); 2735e705c121SKalle Valo 2736e705c121SKalle Valo /* Due to a race condition, it's possible that mac80211 asks 2737e705c121SKalle Valo * us to stop a hw_scan when it's already stopped. This can 2738e705c121SKalle Valo * happen, for instance, if we stopped the scan ourselves, 2739e705c121SKalle Valo * called ieee80211_scan_completed() and the userspace called 2740e705c121SKalle Valo * cancel scan scan before ieee80211_scan_work() could run. 2741e705c121SKalle Valo * To handle that, simply return if the scan is not running. 2742e705c121SKalle Valo */ 2743e705c121SKalle Valo if (mvm->scan_status & IWL_MVM_SCAN_REGULAR) 2744e705c121SKalle Valo iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_REGULAR, true); 2745e705c121SKalle Valo 2746e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2747e705c121SKalle Valo } 2748e705c121SKalle Valo 2749e705c121SKalle Valo static void 2750e705c121SKalle Valo iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw *hw, 2751e705c121SKalle Valo struct ieee80211_sta *sta, u16 tids, 2752e705c121SKalle Valo int num_frames, 2753e705c121SKalle Valo enum ieee80211_frame_release_type reason, 2754e705c121SKalle Valo bool more_data) 2755e705c121SKalle Valo { 2756e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2757e705c121SKalle Valo 2758e705c121SKalle Valo /* Called when we need to transmit (a) frame(s) from mac80211 */ 2759e705c121SKalle Valo 2760e705c121SKalle Valo iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, 2761e705c121SKalle Valo tids, more_data, false); 2762e705c121SKalle Valo } 2763e705c121SKalle Valo 2764e705c121SKalle Valo static void 2765e705c121SKalle Valo iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw *hw, 2766e705c121SKalle Valo struct ieee80211_sta *sta, u16 tids, 2767e705c121SKalle Valo int num_frames, 2768e705c121SKalle Valo enum ieee80211_frame_release_type reason, 2769e705c121SKalle Valo bool more_data) 2770e705c121SKalle Valo { 2771e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2772e705c121SKalle Valo 27739a3fcf91SSara Sharon /* Called when we need to transmit (a) frame(s) from agg or dqa queue */ 2774e705c121SKalle Valo 2775e705c121SKalle Valo iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, 2776e705c121SKalle Valo tids, more_data, true); 2777e705c121SKalle Valo } 2778e705c121SKalle Valo 277965e25482SJohannes Berg static void __iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, 2780e705c121SKalle Valo enum sta_notify_cmd cmd, 2781e705c121SKalle Valo struct ieee80211_sta *sta) 2782e705c121SKalle Valo { 2783e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2784e705c121SKalle Valo struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 2785e705c121SKalle Valo unsigned long txqs = 0, tids = 0; 2786e705c121SKalle Valo int tid; 2787e705c121SKalle Valo 2788960f864bSJohannes Berg /* 2789960f864bSJohannes Berg * If we have TVQM then we get too high queue numbers - luckily 2790960f864bSJohannes Berg * we really shouldn't get here with that because such hardware 2791960f864bSJohannes Berg * should have firmware supporting buffer station offload. 2792960f864bSJohannes Berg */ 2793960f864bSJohannes Berg if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) 2794960f864bSJohannes Berg return; 2795960f864bSJohannes Berg 2796e705c121SKalle Valo spin_lock_bh(&mvmsta->lock); 2797311590a3SEmmanuel Grumbach for (tid = 0; tid < ARRAY_SIZE(mvmsta->tid_data); tid++) { 2798e705c121SKalle Valo struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 2799e705c121SKalle Valo 28006862fceeSSara Sharon if (tid_data->txq_id == IWL_MVM_INVALID_QUEUE) 28011c17627bSSara Sharon continue; 28021c17627bSSara Sharon 2803e705c121SKalle Valo __set_bit(tid_data->txq_id, &txqs); 2804e705c121SKalle Valo 2805dd32162dSLiad Kaufman if (iwl_mvm_tid_queued(mvm, tid_data) == 0) 2806e705c121SKalle Valo continue; 2807e705c121SKalle Valo 2808e705c121SKalle Valo __set_bit(tid, &tids); 2809e705c121SKalle Valo } 2810e705c121SKalle Valo 2811e705c121SKalle Valo switch (cmd) { 2812e705c121SKalle Valo case STA_NOTIFY_SLEEP: 2813e705c121SKalle Valo for_each_set_bit(tid, &tids, IWL_MAX_TID_COUNT) 2814e705c121SKalle Valo ieee80211_sta_set_buffered(sta, tid, true); 2815e705c121SKalle Valo 2816e705c121SKalle Valo if (txqs) 2817e705c121SKalle Valo iwl_trans_freeze_txq_timer(mvm->trans, txqs, true); 2818e705c121SKalle Valo /* 2819e705c121SKalle Valo * The fw updates the STA to be asleep. Tx packets on the Tx 2820e705c121SKalle Valo * queues to this station will not be transmitted. The fw will 2821e705c121SKalle Valo * send a Tx response with TX_STATUS_FAIL_DEST_PS. 2822e705c121SKalle Valo */ 2823e705c121SKalle Valo break; 2824e705c121SKalle Valo case STA_NOTIFY_AWAKE: 28250ae98812SSara Sharon if (WARN_ON(mvmsta->sta_id == IWL_MVM_INVALID_STA)) 2826e705c121SKalle Valo break; 2827e705c121SKalle Valo 2828e705c121SKalle Valo if (txqs) 2829e705c121SKalle Valo iwl_trans_freeze_txq_timer(mvm->trans, txqs, false); 2830e705c121SKalle Valo iwl_mvm_sta_modify_ps_wake(mvm, sta); 2831e705c121SKalle Valo break; 2832e705c121SKalle Valo default: 2833e705c121SKalle Valo break; 2834e705c121SKalle Valo } 2835e705c121SKalle Valo spin_unlock_bh(&mvmsta->lock); 2836e705c121SKalle Valo } 2837e705c121SKalle Valo 283865e25482SJohannes Berg static void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, 283965e25482SJohannes Berg struct ieee80211_vif *vif, 284065e25482SJohannes Berg enum sta_notify_cmd cmd, 284165e25482SJohannes Berg struct ieee80211_sta *sta) 284265e25482SJohannes Berg { 284365e25482SJohannes Berg __iwl_mvm_mac_sta_notify(hw, cmd, sta); 284465e25482SJohannes Berg } 284565e25482SJohannes Berg 284665e25482SJohannes Berg void iwl_mvm_sta_pm_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) 284765e25482SJohannes Berg { 284865e25482SJohannes Berg struct iwl_rx_packet *pkt = rxb_addr(rxb); 284965e25482SJohannes Berg struct iwl_mvm_pm_state_notification *notif = (void *)pkt->data; 285065e25482SJohannes Berg struct ieee80211_sta *sta; 285165e25482SJohannes Berg struct iwl_mvm_sta *mvmsta; 285265e25482SJohannes Berg bool sleeping = (notif->type != IWL_MVM_PM_EVENT_AWAKE); 285365e25482SJohannes Berg 285465e25482SJohannes Berg if (WARN_ON(notif->sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))) 285565e25482SJohannes Berg return; 285665e25482SJohannes Berg 285765e25482SJohannes Berg rcu_read_lock(); 2858a9560029SSara Sharon sta = rcu_dereference(mvm->fw_id_to_mac_id[notif->sta_id]); 285965e25482SJohannes Berg if (WARN_ON(IS_ERR_OR_NULL(sta))) { 286065e25482SJohannes Berg rcu_read_unlock(); 286165e25482SJohannes Berg return; 286265e25482SJohannes Berg } 286365e25482SJohannes Berg 286465e25482SJohannes Berg mvmsta = iwl_mvm_sta_from_mac80211(sta); 286565e25482SJohannes Berg 286665e25482SJohannes Berg if (!mvmsta->vif || 286765e25482SJohannes Berg mvmsta->vif->type != NL80211_IFTYPE_AP) { 286865e25482SJohannes Berg rcu_read_unlock(); 286965e25482SJohannes Berg return; 287065e25482SJohannes Berg } 287165e25482SJohannes Berg 287265e25482SJohannes Berg if (mvmsta->sleeping != sleeping) { 287365e25482SJohannes Berg mvmsta->sleeping = sleeping; 287465e25482SJohannes Berg __iwl_mvm_mac_sta_notify(mvm->hw, 287565e25482SJohannes Berg sleeping ? STA_NOTIFY_SLEEP : STA_NOTIFY_AWAKE, 287665e25482SJohannes Berg sta); 287765e25482SJohannes Berg ieee80211_sta_ps_transition(sta, sleeping); 287865e25482SJohannes Berg } 287965e25482SJohannes Berg 288065e25482SJohannes Berg if (sleeping) { 288165e25482SJohannes Berg switch (notif->type) { 288265e25482SJohannes Berg case IWL_MVM_PM_EVENT_AWAKE: 288365e25482SJohannes Berg case IWL_MVM_PM_EVENT_ASLEEP: 288465e25482SJohannes Berg break; 288565e25482SJohannes Berg case IWL_MVM_PM_EVENT_UAPSD: 288665e25482SJohannes Berg ieee80211_sta_uapsd_trigger(sta, IEEE80211_NUM_TIDS); 288765e25482SJohannes Berg break; 288865e25482SJohannes Berg case IWL_MVM_PM_EVENT_PS_POLL: 288965e25482SJohannes Berg ieee80211_sta_pspoll(sta); 289065e25482SJohannes Berg break; 289165e25482SJohannes Berg default: 289265e25482SJohannes Berg break; 289365e25482SJohannes Berg } 289465e25482SJohannes Berg } 289565e25482SJohannes Berg 289665e25482SJohannes Berg rcu_read_unlock(); 289765e25482SJohannes Berg } 289865e25482SJohannes Berg 2899e705c121SKalle Valo static void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw, 2900e705c121SKalle Valo struct ieee80211_vif *vif, 2901e705c121SKalle Valo struct ieee80211_sta *sta) 2902e705c121SKalle Valo { 2903e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2904e705c121SKalle Valo struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 2905e705c121SKalle Valo 2906e705c121SKalle Valo /* 2907e705c121SKalle Valo * This is called before mac80211 does RCU synchronisation, 2908e705c121SKalle Valo * so here we already invalidate our internal RCU-protected 2909e705c121SKalle Valo * station pointer. The rest of the code will thus no longer 2910e705c121SKalle Valo * be able to find the station this way, and we don't rely 2911e705c121SKalle Valo * on further RCU synchronisation after the sta_state() 2912e705c121SKalle Valo * callback deleted the station. 2913e705c121SKalle Valo */ 2914e705c121SKalle Valo mutex_lock(&mvm->mutex); 2915e705c121SKalle Valo if (sta == rcu_access_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id])) 2916e705c121SKalle Valo rcu_assign_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id], 2917e705c121SKalle Valo ERR_PTR(-ENOENT)); 2918e705c121SKalle Valo 2919e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2920e705c121SKalle Valo } 2921e705c121SKalle Valo 2922e705c121SKalle Valo static void iwl_mvm_check_uapsd(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 2923e705c121SKalle Valo const u8 *bssid) 2924e705c121SKalle Valo { 2925b0ffe455SJohannes Berg int i; 2926b0ffe455SJohannes Berg 2927b0ffe455SJohannes Berg if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 2928b0ffe455SJohannes Berg struct iwl_mvm_tcm_mac *mdata; 2929b0ffe455SJohannes Berg 2930b0ffe455SJohannes Berg mdata = &mvm->tcm.data[iwl_mvm_vif_from_mac80211(vif)->id]; 2931b0ffe455SJohannes Berg ewma_rate_init(&mdata->uapsd_nonagg_detect.rate); 2932b0ffe455SJohannes Berg mdata->opened_rx_ba_sessions = false; 2933b0ffe455SJohannes Berg } 2934b0ffe455SJohannes Berg 2935e705c121SKalle Valo if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT)) 2936e705c121SKalle Valo return; 2937e705c121SKalle Valo 2938c5241b0cSAvraham Stern if (vif->p2p && !iwl_mvm_is_p2p_scm_uapsd_supported(mvm)) { 2939cee5a882SAvri Altman vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 2940cee5a882SAvri Altman return; 2941cee5a882SAvri Altman } 2942cee5a882SAvri Altman 294311dee0b4SEmmanuel Grumbach if (!vif->p2p && 294411dee0b4SEmmanuel Grumbach (iwlwifi_mod_params.uapsd_disable & IWL_DISABLE_UAPSD_BSS)) { 2945e705c121SKalle Valo vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 2946e705c121SKalle Valo return; 2947e705c121SKalle Valo } 2948e705c121SKalle Valo 2949b0ffe455SJohannes Berg for (i = 0; i < IWL_MVM_UAPSD_NOAGG_LIST_LEN; i++) { 2950b0ffe455SJohannes Berg if (ether_addr_equal(mvm->uapsd_noagg_bssids[i].addr, bssid)) { 2951b0ffe455SJohannes Berg vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 2952b0ffe455SJohannes Berg return; 2953b0ffe455SJohannes Berg } 2954b0ffe455SJohannes Berg } 2955b0ffe455SJohannes Berg 2956e705c121SKalle Valo vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD; 2957e705c121SKalle Valo } 2958e705c121SKalle Valo 29591e8f1329SGolan Ben-Ami static void 29601e8f1329SGolan Ben-Ami iwl_mvm_tdls_check_trigger(struct iwl_mvm *mvm, 29611e8f1329SGolan Ben-Ami struct ieee80211_vif *vif, u8 *peer_addr, 29621e8f1329SGolan Ben-Ami enum nl80211_tdls_operation action) 29631e8f1329SGolan Ben-Ami { 29641e8f1329SGolan Ben-Ami struct iwl_fw_dbg_trigger_tlv *trig; 29651e8f1329SGolan Ben-Ami struct iwl_fw_dbg_trigger_tdls *tdls_trig; 29661e8f1329SGolan Ben-Ami 29676c042d75SSara Sharon trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 29686c042d75SSara Sharon FW_DBG_TRIGGER_TDLS); 29696c042d75SSara Sharon if (!trig) 29701e8f1329SGolan Ben-Ami return; 29711e8f1329SGolan Ben-Ami 29721e8f1329SGolan Ben-Ami tdls_trig = (void *)trig->data; 29731e8f1329SGolan Ben-Ami 29741e8f1329SGolan Ben-Ami if (!(tdls_trig->action_bitmap & BIT(action))) 29751e8f1329SGolan Ben-Ami return; 29761e8f1329SGolan Ben-Ami 29771e8f1329SGolan Ben-Ami if (tdls_trig->peer_mode && 29781e8f1329SGolan Ben-Ami memcmp(tdls_trig->peer, peer_addr, ETH_ALEN) != 0) 29791e8f1329SGolan Ben-Ami return; 29801e8f1329SGolan Ben-Ami 29817174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 29821e8f1329SGolan Ben-Ami "TDLS event occurred, peer %pM, action %d", 29831e8f1329SGolan Ben-Ami peer_addr, action); 29841e8f1329SGolan Ben-Ami } 29851e8f1329SGolan Ben-Ami 29864f58121dSIlan Peer struct iwl_mvm_he_obss_narrow_bw_ru_data { 29874f58121dSIlan Peer bool tolerated; 29884f58121dSIlan Peer }; 29894f58121dSIlan Peer 29904f58121dSIlan Peer static void iwl_mvm_check_he_obss_narrow_bw_ru_iter(struct wiphy *wiphy, 29914f58121dSIlan Peer struct cfg80211_bss *bss, 29924f58121dSIlan Peer void *_data) 29934f58121dSIlan Peer { 29944f58121dSIlan Peer struct iwl_mvm_he_obss_narrow_bw_ru_data *data = _data; 29954f58121dSIlan Peer const struct element *elem; 29964f58121dSIlan Peer 29974f58121dSIlan Peer elem = cfg80211_find_elem(WLAN_EID_EXT_CAPABILITY, bss->ies->data, 29984f58121dSIlan Peer bss->ies->len); 29994f58121dSIlan Peer 30004f58121dSIlan Peer if (!elem || elem->datalen < 10 || 30014f58121dSIlan Peer !(elem->data[10] & 30024f58121dSIlan Peer WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT)) { 30034f58121dSIlan Peer data->tolerated = false; 30044f58121dSIlan Peer } 30054f58121dSIlan Peer } 30064f58121dSIlan Peer 30074f58121dSIlan Peer static void iwl_mvm_check_he_obss_narrow_bw_ru(struct ieee80211_hw *hw, 30084f58121dSIlan Peer struct ieee80211_vif *vif) 30094f58121dSIlan Peer { 30104f58121dSIlan Peer struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 30114f58121dSIlan Peer struct iwl_mvm_he_obss_narrow_bw_ru_data iter_data = { 30124f58121dSIlan Peer .tolerated = true, 30134f58121dSIlan Peer }; 30144f58121dSIlan Peer 30154f58121dSIlan Peer if (!(vif->bss_conf.chandef.chan->flags & IEEE80211_CHAN_RADAR)) { 30164f58121dSIlan Peer mvmvif->he_ru_2mhz_block = false; 30174f58121dSIlan Peer return; 30184f58121dSIlan Peer } 30194f58121dSIlan Peer 30204f58121dSIlan Peer cfg80211_bss_iter(hw->wiphy, &vif->bss_conf.chandef, 30214f58121dSIlan Peer iwl_mvm_check_he_obss_narrow_bw_ru_iter, 30224f58121dSIlan Peer &iter_data); 30234f58121dSIlan Peer 30244f58121dSIlan Peer /* 30254f58121dSIlan Peer * If there is at least one AP on radar channel that cannot 30264f58121dSIlan Peer * tolerate 26-tone RU UL OFDMA transmissions using HE TB PPDU. 30274f58121dSIlan Peer */ 30284f58121dSIlan Peer mvmvif->he_ru_2mhz_block = !iter_data.tolerated; 30294f58121dSIlan Peer } 30304f58121dSIlan Peer 3031e705c121SKalle Valo static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw, 3032e705c121SKalle Valo struct ieee80211_vif *vif, 3033e705c121SKalle Valo struct ieee80211_sta *sta, 3034e705c121SKalle Valo enum ieee80211_sta_state old_state, 3035e705c121SKalle Valo enum ieee80211_sta_state new_state) 3036e705c121SKalle Valo { 3037e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3038e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 30396ea29ce5SJohannes Berg struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 3040e705c121SKalle Valo int ret; 3041e705c121SKalle Valo 3042e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n", 3043e705c121SKalle Valo sta->addr, old_state, new_state); 3044e705c121SKalle Valo 3045e705c121SKalle Valo /* this would be a mac80211 bug ... but don't crash */ 3046e705c121SKalle Valo if (WARN_ON_ONCE(!mvmvif->phy_ctxt)) 3047e705c121SKalle Valo return -EINVAL; 3048e705c121SKalle Valo 304924afba76SLiad Kaufman /* 305024afba76SLiad Kaufman * If we are in a STA removal flow and in DQA mode: 305124afba76SLiad Kaufman * 305224afba76SLiad Kaufman * This is after the sync_rcu part, so the queues have already been 305324afba76SLiad Kaufman * flushed. No more TXs on their way in mac80211's path, and no more in 305424afba76SLiad Kaufman * the queues. 305524afba76SLiad Kaufman * Also, we won't be getting any new TX frames for this station. 305624afba76SLiad Kaufman * What we might have are deferred TX frames that need to be taken care 305724afba76SLiad Kaufman * of. 305824afba76SLiad Kaufman * 305924afba76SLiad Kaufman * Drop any still-queued deferred-frame before removing the STA, and 306024afba76SLiad Kaufman * make sure the worker is no longer handling frames for this STA. 306124afba76SLiad Kaufman */ 306224afba76SLiad Kaufman if (old_state == IEEE80211_STA_NONE && 3063c8f54701SJohannes Berg new_state == IEEE80211_STA_NOTEXIST) { 306424afba76SLiad Kaufman flush_work(&mvm->add_stream_wk); 306524afba76SLiad Kaufman 306624afba76SLiad Kaufman /* 306724afba76SLiad Kaufman * No need to make sure deferred TX indication is off since the 306824afba76SLiad Kaufman * worker will already remove it if it was on 306924afba76SLiad Kaufman */ 307024afba76SLiad Kaufman } 307124afba76SLiad Kaufman 3072e705c121SKalle Valo mutex_lock(&mvm->mutex); 30736ea29ce5SJohannes Berg /* track whether or not the station is associated */ 3074d94c5a82SGregory Greenman mvm_sta->sta_state = new_state; 30756ea29ce5SJohannes Berg 3076e705c121SKalle Valo if (old_state == IEEE80211_STA_NOTEXIST && 3077e705c121SKalle Valo new_state == IEEE80211_STA_NONE) { 3078e705c121SKalle Valo /* 3079e705c121SKalle Valo * Firmware bug - it'll crash if the beacon interval is less 3080e705c121SKalle Valo * than 16. We can't avoid connecting at all, so refuse the 3081e705c121SKalle Valo * station state change, this will cause mac80211 to abandon 3082e705c121SKalle Valo * attempts to connect to this AP, and eventually wpa_s will 3083e705c121SKalle Valo * blacklist the AP... 3084e705c121SKalle Valo */ 3085e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_STATION && 3086e705c121SKalle Valo vif->bss_conf.beacon_int < 16) { 3087e705c121SKalle Valo IWL_ERR(mvm, 3088e705c121SKalle Valo "AP %pM beacon interval is %d, refusing due to firmware bug!\n", 3089e705c121SKalle Valo sta->addr, vif->bss_conf.beacon_int); 3090e705c121SKalle Valo ret = -EINVAL; 3091e705c121SKalle Valo goto out_unlock; 3092e705c121SKalle Valo } 3093e705c121SKalle Valo 3094e705c121SKalle Valo if (sta->tdls && 3095e705c121SKalle Valo (vif->p2p || 3096e705c121SKalle Valo iwl_mvm_tdls_sta_count(mvm, NULL) == 3097e705c121SKalle Valo IWL_MVM_TDLS_STA_COUNT || 3098e705c121SKalle Valo iwl_mvm_phy_ctx_count(mvm) > 1)) { 3099e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "refusing TDLS sta\n"); 3100e705c121SKalle Valo ret = -EBUSY; 3101e705c121SKalle Valo goto out_unlock; 3102e705c121SKalle Valo } 3103e705c121SKalle Valo 3104e705c121SKalle Valo ret = iwl_mvm_add_sta(mvm, vif, sta); 31051e8f1329SGolan Ben-Ami if (sta->tdls && ret == 0) { 3106e705c121SKalle Valo iwl_mvm_recalc_tdls_state(mvm, vif, true); 31071e8f1329SGolan Ben-Ami iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 31081e8f1329SGolan Ben-Ami NL80211_TDLS_SETUP); 31091e8f1329SGolan Ben-Ami } 3110438af969SSara Sharon 3111438af969SSara Sharon sta->max_rc_amsdu_len = 1; 3112e705c121SKalle Valo } else if (old_state == IEEE80211_STA_NONE && 3113e705c121SKalle Valo new_state == IEEE80211_STA_AUTH) { 3114e705c121SKalle Valo /* 3115e705c121SKalle Valo * EBS may be disabled due to previous failures reported by FW. 3116e705c121SKalle Valo * Reset EBS status here assuming environment has been changed. 3117e705c121SKalle Valo */ 3118e705c121SKalle Valo mvm->last_ebs_successful = true; 3119e705c121SKalle Valo iwl_mvm_check_uapsd(mvm, vif, sta->addr); 3120e705c121SKalle Valo ret = 0; 3121e705c121SKalle Valo } else if (old_state == IEEE80211_STA_AUTH && 3122e705c121SKalle Valo new_state == IEEE80211_STA_ASSOC) { 31238be30c13SAyala Beker if (vif->type == NL80211_IFTYPE_AP) { 31249394662aSLiad Kaufman vif->bss_conf.he_support = sta->he_cap.has_he; 31258be30c13SAyala Beker mvmvif->ap_assoc_sta_count++; 31268be30c13SAyala Beker iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 312702221a81SShaul Triebitz if (vif->bss_conf.he_support && 312802221a81SShaul Triebitz !iwlwifi_mod_params.disable_11ax) 312902221a81SShaul Triebitz iwl_mvm_cfg_he_sta(mvm, vif, mvm_sta->sta_id); 31309394662aSLiad Kaufman } else if (vif->type == NL80211_IFTYPE_STATION) { 31319394662aSLiad Kaufman vif->bss_conf.he_support = sta->he_cap.has_he; 31324f58121dSIlan Peer 31334f58121dSIlan Peer mvmvif->he_ru_2mhz_block = false; 31344f58121dSIlan Peer if (sta->he_cap.has_he) 31354f58121dSIlan Peer iwl_mvm_check_he_obss_narrow_bw_ru(hw, vif); 31364f58121dSIlan Peer 31379394662aSLiad Kaufman iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 31388be30c13SAyala Beker } 3139735a0045SGoodstein, Mordechay 31403baf7528SAvraham Stern iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band, 31413baf7528SAvraham Stern false); 3142735a0045SGoodstein, Mordechay ret = iwl_mvm_update_sta(mvm, vif, sta); 3143e705c121SKalle Valo } else if (old_state == IEEE80211_STA_ASSOC && 3144e705c121SKalle Valo new_state == IEEE80211_STA_AUTHORIZED) { 314528916a16SEmmanuel Grumbach ret = 0; 3146e705c121SKalle Valo 3147e705c121SKalle Valo /* we don't support TDLS during DCM */ 3148e705c121SKalle Valo if (iwl_mvm_phy_ctx_count(mvm) > 1) 3149e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 3150e705c121SKalle Valo 31511e8f1329SGolan Ben-Ami if (sta->tdls) 31521e8f1329SGolan Ben-Ami iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 31531e8f1329SGolan Ben-Ami NL80211_TDLS_ENABLE_LINK); 31541e8f1329SGolan Ben-Ami 3155e705c121SKalle Valo /* enable beacon filtering */ 3156e705c121SKalle Valo WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0)); 31576b7a5aeaSNaftali Goldstein 315850f56044SIlan Peer /* 315950f56044SIlan Peer * Now that the station is authorized, i.e., keys were already 316050f56044SIlan Peer * installed, need to indicate to the FW that 316150f56044SIlan Peer * multicast data frames can be forwarded to the driver 316250f56044SIlan Peer */ 316350f56044SIlan Peer iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 316450f56044SIlan Peer 31653baf7528SAvraham Stern iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band, 31663baf7528SAvraham Stern true); 3167e705c121SKalle Valo } else if (old_state == IEEE80211_STA_AUTHORIZED && 3168e705c121SKalle Valo new_state == IEEE80211_STA_ASSOC) { 316950f56044SIlan Peer /* Multicast data frames are no longer allowed */ 317050f56044SIlan Peer iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 317150f56044SIlan Peer 3172e705c121SKalle Valo /* disable beacon filtering */ 317369e508b4SIlan Peer ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); 317469e508b4SIlan Peer WARN_ON(ret && 317569e508b4SIlan Peer !test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 317669e508b4SIlan Peer &mvm->status)); 3177e705c121SKalle Valo ret = 0; 3178e705c121SKalle Valo } else if (old_state == IEEE80211_STA_ASSOC && 3179e705c121SKalle Valo new_state == IEEE80211_STA_AUTH) { 31808be30c13SAyala Beker if (vif->type == NL80211_IFTYPE_AP) { 31818be30c13SAyala Beker mvmvif->ap_assoc_sta_count--; 31828be30c13SAyala Beker iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 31838be30c13SAyala Beker } 3184e705c121SKalle Valo ret = 0; 3185e705c121SKalle Valo } else if (old_state == IEEE80211_STA_AUTH && 3186e705c121SKalle Valo new_state == IEEE80211_STA_NONE) { 3187e705c121SKalle Valo ret = 0; 3188e705c121SKalle Valo } else if (old_state == IEEE80211_STA_NONE && 3189e705c121SKalle Valo new_state == IEEE80211_STA_NOTEXIST) { 3190e705c121SKalle Valo ret = iwl_mvm_rm_sta(mvm, vif, sta); 31911e8f1329SGolan Ben-Ami if (sta->tdls) { 3192e705c121SKalle Valo iwl_mvm_recalc_tdls_state(mvm, vif, false); 31931e8f1329SGolan Ben-Ami iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 31941e8f1329SGolan Ben-Ami NL80211_TDLS_DISABLE_LINK); 31951e8f1329SGolan Ben-Ami } 319634a880d8SLiad Kaufman 319744135b7cSIlan Peer if (unlikely(ret && 319844135b7cSIlan Peer test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 319944135b7cSIlan Peer &mvm->status))) 320044135b7cSIlan Peer ret = 0; 3201e705c121SKalle Valo } else { 3202e705c121SKalle Valo ret = -EIO; 3203e705c121SKalle Valo } 3204e705c121SKalle Valo out_unlock: 3205e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3206e705c121SKalle Valo 3207e705c121SKalle Valo if (sta->tdls && ret == 0) { 3208e705c121SKalle Valo if (old_state == IEEE80211_STA_NOTEXIST && 3209e705c121SKalle Valo new_state == IEEE80211_STA_NONE) 3210e705c121SKalle Valo ieee80211_reserve_tid(sta, IWL_MVM_TDLS_FW_TID); 3211e705c121SKalle Valo else if (old_state == IEEE80211_STA_NONE && 3212e705c121SKalle Valo new_state == IEEE80211_STA_NOTEXIST) 3213e705c121SKalle Valo ieee80211_unreserve_tid(sta, IWL_MVM_TDLS_FW_TID); 3214e705c121SKalle Valo } 3215e705c121SKalle Valo 3216e705c121SKalle Valo return ret; 3217e705c121SKalle Valo } 3218e705c121SKalle Valo 3219e705c121SKalle Valo static int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 3220e705c121SKalle Valo { 3221e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3222e705c121SKalle Valo 3223e705c121SKalle Valo mvm->rts_threshold = value; 3224e705c121SKalle Valo 3225e705c121SKalle Valo return 0; 3226e705c121SKalle Valo } 3227e705c121SKalle Valo 3228e705c121SKalle Valo static void iwl_mvm_sta_rc_update(struct ieee80211_hw *hw, 3229e705c121SKalle Valo struct ieee80211_vif *vif, 3230e705c121SKalle Valo struct ieee80211_sta *sta, u32 changed) 3231e705c121SKalle Valo { 3232e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3233dcfe3b10SJohannes Berg struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3234dcfe3b10SJohannes Berg 3235dcfe3b10SJohannes Berg if (changed & (IEEE80211_RC_BW_CHANGED | 3236dcfe3b10SJohannes Berg IEEE80211_RC_SUPP_RATES_CHANGED | 3237dcfe3b10SJohannes Berg IEEE80211_RC_NSS_CHANGED)) 3238dcfe3b10SJohannes Berg iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band, 3239dcfe3b10SJohannes Berg true); 3240e705c121SKalle Valo 3241e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_STATION && 3242e705c121SKalle Valo changed & IEEE80211_RC_NSS_CHANGED) 3243e705c121SKalle Valo iwl_mvm_sf_update(mvm, vif, false); 3244e705c121SKalle Valo } 3245e705c121SKalle Valo 3246e705c121SKalle Valo static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw, 3247e705c121SKalle Valo struct ieee80211_vif *vif, u16 ac, 3248e705c121SKalle Valo const struct ieee80211_tx_queue_params *params) 3249e705c121SKalle Valo { 3250e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3251e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3252e705c121SKalle Valo 3253e705c121SKalle Valo mvmvif->queue_params[ac] = *params; 3254e705c121SKalle Valo 3255e705c121SKalle Valo /* 3256e705c121SKalle Valo * No need to update right away, we'll get BSS_CHANGED_QOS 3257e705c121SKalle Valo * The exception is P2P_DEVICE interface which needs immediate update. 3258e705c121SKalle Valo */ 3259e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 3260e705c121SKalle Valo int ret; 3261e705c121SKalle Valo 3262e705c121SKalle Valo mutex_lock(&mvm->mutex); 3263e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 3264e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3265e705c121SKalle Valo return ret; 3266e705c121SKalle Valo } 3267e705c121SKalle Valo return 0; 3268e705c121SKalle Valo } 3269e705c121SKalle Valo 3270e705c121SKalle Valo static void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw, 3271d4e36e55SIlan Peer struct ieee80211_vif *vif, 3272d4e36e55SIlan Peer u16 req_duration) 3273e705c121SKalle Valo { 3274e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 32757c70fee5SSara Sharon u32 duration = IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS; 32767c70fee5SSara Sharon u32 min_duration = IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS; 3277e705c121SKalle Valo 3278d4e36e55SIlan Peer if (req_duration > duration) 3279d4e36e55SIlan Peer duration = req_duration; 3280d4e36e55SIlan Peer 3281e705c121SKalle Valo mutex_lock(&mvm->mutex); 3282fe959c7bSEmmanuel Grumbach /* Try really hard to protect the session and hear a beacon 3283fe959c7bSEmmanuel Grumbach * The new session protection command allows us to protect the 3284fe959c7bSEmmanuel Grumbach * session for a much longer time since the firmware will internally 3285fe959c7bSEmmanuel Grumbach * create two events: a 300TU one with a very high priority that 3286fe959c7bSEmmanuel Grumbach * won't be fragmented which should be enough for 99% of the cases, 3287fe959c7bSEmmanuel Grumbach * and another one (which we configure here to be 900TU long) which 3288fe959c7bSEmmanuel Grumbach * will have a slightly lower priority, but more importantly, can be 3289fe959c7bSEmmanuel Grumbach * fragmented so that it'll allow other activities to run. 3290fe959c7bSEmmanuel Grumbach */ 3291fe959c7bSEmmanuel Grumbach if (fw_has_capa(&mvm->fw->ucode_capa, 3292fe959c7bSEmmanuel Grumbach IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) 3293fe959c7bSEmmanuel Grumbach iwl_mvm_schedule_session_protection(mvm, vif, 900, 3294fe959c7bSEmmanuel Grumbach min_duration); 3295fe959c7bSEmmanuel Grumbach else 3296fe959c7bSEmmanuel Grumbach iwl_mvm_protect_session(mvm, vif, duration, 3297fe959c7bSEmmanuel Grumbach min_duration, 500, false); 3298e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3299e705c121SKalle Valo } 3300e705c121SKalle Valo 3301e705c121SKalle Valo static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw, 3302e705c121SKalle Valo struct ieee80211_vif *vif, 3303e705c121SKalle Valo struct cfg80211_sched_scan_request *req, 3304e705c121SKalle Valo struct ieee80211_scan_ies *ies) 3305e705c121SKalle Valo { 3306e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3307e705c121SKalle Valo 3308e705c121SKalle Valo int ret; 3309e705c121SKalle Valo 3310e705c121SKalle Valo mutex_lock(&mvm->mutex); 3311e705c121SKalle Valo 3312e705c121SKalle Valo if (!vif->bss_conf.idle) { 3313e705c121SKalle Valo ret = -EBUSY; 3314e705c121SKalle Valo goto out; 3315e705c121SKalle Valo } 3316e705c121SKalle Valo 3317e705c121SKalle Valo ret = iwl_mvm_sched_scan_start(mvm, vif, req, ies, IWL_MVM_SCAN_SCHED); 3318e705c121SKalle Valo 3319e705c121SKalle Valo out: 3320e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3321e705c121SKalle Valo return ret; 3322e705c121SKalle Valo } 3323e705c121SKalle Valo 3324e705c121SKalle Valo static int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw, 3325e705c121SKalle Valo struct ieee80211_vif *vif) 3326e705c121SKalle Valo { 3327e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3328e705c121SKalle Valo int ret; 3329e705c121SKalle Valo 3330e705c121SKalle Valo mutex_lock(&mvm->mutex); 3331e705c121SKalle Valo 3332e705c121SKalle Valo /* Due to a race condition, it's possible that mac80211 asks 3333e705c121SKalle Valo * us to stop a sched_scan when it's already stopped. This 3334e705c121SKalle Valo * can happen, for instance, if we stopped the scan ourselves, 3335e705c121SKalle Valo * called ieee80211_sched_scan_stopped() and the userspace called 3336e705c121SKalle Valo * stop sched scan scan before ieee80211_sched_scan_stopped_work() 3337e705c121SKalle Valo * could run. To handle this, simply return if the scan is 3338e705c121SKalle Valo * not running. 3339e705c121SKalle Valo */ 3340e705c121SKalle Valo if (!(mvm->scan_status & IWL_MVM_SCAN_SCHED)) { 3341e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3342e705c121SKalle Valo return 0; 3343e705c121SKalle Valo } 3344e705c121SKalle Valo 3345e705c121SKalle Valo ret = iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, false); 3346e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3347e705c121SKalle Valo iwl_mvm_wait_for_async_handlers(mvm); 3348e705c121SKalle Valo 3349e705c121SKalle Valo return ret; 3350e705c121SKalle Valo } 3351e705c121SKalle Valo 33526569e7d3SJohannes Berg static int __iwl_mvm_mac_set_key(struct ieee80211_hw *hw, 3353e705c121SKalle Valo enum set_key_cmd cmd, 3354e705c121SKalle Valo struct ieee80211_vif *vif, 3355e705c121SKalle Valo struct ieee80211_sta *sta, 3356e705c121SKalle Valo struct ieee80211_key_conf *key) 3357e705c121SKalle Valo { 3358c56e00a3SJohannes Berg struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3359e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3360f5e28eacSJohannes Berg struct iwl_mvm_sta *mvmsta; 3361f5e28eacSJohannes Berg struct iwl_mvm_key_pn *ptk_pn; 3362f5e28eacSJohannes Berg int keyidx = key->keyidx; 3363c56e00a3SJohannes Berg int ret, i; 33644615fd15SEmmanuel Grumbach u8 key_offset; 3365e705c121SKalle Valo 33663b37f4c9SJohannes Berg if (iwlwifi_mod_params.swcrypto) { 3367e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "leave - hwcrypto disabled\n"); 3368e705c121SKalle Valo return -EOPNOTSUPP; 3369e705c121SKalle Valo } 3370e705c121SKalle Valo 3371e705c121SKalle Valo switch (key->cipher) { 3372e705c121SKalle Valo case WLAN_CIPHER_SUITE_TKIP: 3373286ca8ebSLuca Coelho if (!mvm->trans->trans_cfg->gen2) { 3374e705c121SKalle Valo key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 33751ad4f639SEliad Peller key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 33767f768ad5SDavid Spinadel } else if (vif->type == NL80211_IFTYPE_STATION) { 33777f768ad5SDavid Spinadel key->flags |= IEEE80211_KEY_FLAG_PUT_MIC_SPACE; 33787f768ad5SDavid Spinadel } else { 33797f768ad5SDavid Spinadel IWL_DEBUG_MAC80211(mvm, "Use SW encryption for TKIP\n"); 33807f768ad5SDavid Spinadel return -EOPNOTSUPP; 33817f768ad5SDavid Spinadel } 3382e705c121SKalle Valo break; 3383e705c121SKalle Valo case WLAN_CIPHER_SUITE_CCMP: 33842a53d166SAyala Beker case WLAN_CIPHER_SUITE_GCMP: 33852a53d166SAyala Beker case WLAN_CIPHER_SUITE_GCMP_256: 338685aeb58cSDavid Spinadel if (!iwl_mvm_has_new_tx_api(mvm)) 3387e705c121SKalle Valo key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 3388e705c121SKalle Valo break; 3389e705c121SKalle Valo case WLAN_CIPHER_SUITE_AES_CMAC: 33908e160ab8SAyala Beker case WLAN_CIPHER_SUITE_BIP_GMAC_128: 33918e160ab8SAyala Beker case WLAN_CIPHER_SUITE_BIP_GMAC_256: 3392e705c121SKalle Valo WARN_ON_ONCE(!ieee80211_hw_check(hw, MFP_CAPABLE)); 3393e705c121SKalle Valo break; 3394e705c121SKalle Valo case WLAN_CIPHER_SUITE_WEP40: 3395e705c121SKalle Valo case WLAN_CIPHER_SUITE_WEP104: 3396475c6bdeSJohannes Berg if (vif->type == NL80211_IFTYPE_STATION) 3397e705c121SKalle Valo break; 3398475c6bdeSJohannes Berg if (iwl_mvm_has_new_tx_api(mvm)) 3399475c6bdeSJohannes Berg return -EOPNOTSUPP; 3400475c6bdeSJohannes Berg /* support HW crypto on TX */ 3401475c6bdeSJohannes Berg return 0; 3402e705c121SKalle Valo default: 3403e705c121SKalle Valo /* currently FW supports only one optional cipher scheme */ 3404e705c121SKalle Valo if (hw->n_cipher_schemes && 3405e705c121SKalle Valo hw->cipher_schemes->cipher == key->cipher) 3406e705c121SKalle Valo key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 3407e705c121SKalle Valo else 3408e705c121SKalle Valo return -EOPNOTSUPP; 3409e705c121SKalle Valo } 3410e705c121SKalle Valo 3411e705c121SKalle Valo switch (cmd) { 3412e705c121SKalle Valo case SET_KEY: 3413e705c121SKalle Valo if ((vif->type == NL80211_IFTYPE_ADHOC || 3414e705c121SKalle Valo vif->type == NL80211_IFTYPE_AP) && !sta) { 3415e705c121SKalle Valo /* 3416e705c121SKalle Valo * GTK on AP interface is a TX-only key, return 0; 3417e705c121SKalle Valo * on IBSS they're per-station and because we're lazy 3418e705c121SKalle Valo * we don't support them for RX, so do the same. 34198e160ab8SAyala Beker * CMAC/GMAC in AP/IBSS modes must be done in software. 3420e705c121SKalle Valo */ 34218e160ab8SAyala Beker if (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC || 34228e160ab8SAyala Beker key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 || 34238e160ab8SAyala Beker key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256) 342481279c49SJohannes Berg ret = -EOPNOTSUPP; 342581279c49SJohannes Berg else 3426e705c121SKalle Valo ret = 0; 342785aeb58cSDavid Spinadel 342885aeb58cSDavid Spinadel if (key->cipher != WLAN_CIPHER_SUITE_GCMP && 342985aeb58cSDavid Spinadel key->cipher != WLAN_CIPHER_SUITE_GCMP_256 && 343085aeb58cSDavid Spinadel !iwl_mvm_has_new_tx_api(mvm)) { 3431e705c121SKalle Valo key->hw_key_idx = STA_KEY_IDX_INVALID; 3432e705c121SKalle Valo break; 3433e705c121SKalle Valo } 3434c56e00a3SJohannes Berg 3435c56e00a3SJohannes Berg if (!mvmvif->ap_ibss_active) { 3436c56e00a3SJohannes Berg for (i = 0; 3437c56e00a3SJohannes Berg i < ARRAY_SIZE(mvmvif->ap_early_keys); 3438c56e00a3SJohannes Berg i++) { 3439c56e00a3SJohannes Berg if (!mvmvif->ap_early_keys[i]) { 3440c56e00a3SJohannes Berg mvmvif->ap_early_keys[i] = key; 3441c56e00a3SJohannes Berg break; 3442c56e00a3SJohannes Berg } 3443c56e00a3SJohannes Berg } 3444c56e00a3SJohannes Berg 3445c56e00a3SJohannes Berg if (i >= ARRAY_SIZE(mvmvif->ap_early_keys)) 3446c56e00a3SJohannes Berg ret = -ENOSPC; 3447c56e00a3SJohannes Berg 3448c56e00a3SJohannes Berg break; 3449c56e00a3SJohannes Berg } 345085aeb58cSDavid Spinadel } 3451e705c121SKalle Valo 3452e705c121SKalle Valo /* During FW restart, in order to restore the state as it was, 3453e705c121SKalle Valo * don't try to reprogram keys we previously failed for. 3454e705c121SKalle Valo */ 3455e705c121SKalle Valo if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 3456e705c121SKalle Valo key->hw_key_idx == STA_KEY_IDX_INVALID) { 3457e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, 3458e705c121SKalle Valo "skip invalid idx key programming during restart\n"); 3459e705c121SKalle Valo ret = 0; 3460e705c121SKalle Valo break; 3461e705c121SKalle Valo } 3462e705c121SKalle Valo 3463f5e28eacSJohannes Berg if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 3464f5e28eacSJohannes Berg sta && iwl_mvm_has_new_rx_api(mvm) && 3465f5e28eacSJohannes Berg key->flags & IEEE80211_KEY_FLAG_PAIRWISE && 3466f5e28eacSJohannes Berg (key->cipher == WLAN_CIPHER_SUITE_CCMP || 34672a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP || 34682a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { 3469f5e28eacSJohannes Berg struct ieee80211_key_seq seq; 3470f5e28eacSJohannes Berg int tid, q; 3471f5e28eacSJohannes Berg 3472f5e28eacSJohannes Berg mvmsta = iwl_mvm_sta_from_mac80211(sta); 3473f5e28eacSJohannes Berg WARN_ON(rcu_access_pointer(mvmsta->ptk_pn[keyidx])); 3474acafe7e3SKees Cook ptk_pn = kzalloc(struct_size(ptk_pn, q, 3475acafe7e3SKees Cook mvm->trans->num_rx_queues), 3476f5e28eacSJohannes Berg GFP_KERNEL); 3477f5e28eacSJohannes Berg if (!ptk_pn) { 3478f5e28eacSJohannes Berg ret = -ENOMEM; 3479f5e28eacSJohannes Berg break; 3480f5e28eacSJohannes Berg } 3481f5e28eacSJohannes Berg 3482f5e28eacSJohannes Berg for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { 3483f5e28eacSJohannes Berg ieee80211_get_key_rx_seq(key, tid, &seq); 3484f5e28eacSJohannes Berg for (q = 0; q < mvm->trans->num_rx_queues; q++) 3485f5e28eacSJohannes Berg memcpy(ptk_pn->q[q].pn[tid], 3486f5e28eacSJohannes Berg seq.ccmp.pn, 3487f5e28eacSJohannes Berg IEEE80211_CCMP_PN_LEN); 3488f5e28eacSJohannes Berg } 3489f5e28eacSJohannes Berg 3490f5e28eacSJohannes Berg rcu_assign_pointer(mvmsta->ptk_pn[keyidx], ptk_pn); 3491f5e28eacSJohannes Berg } 3492f5e28eacSJohannes Berg 34934615fd15SEmmanuel Grumbach /* in HW restart reuse the index, otherwise request a new one */ 34944615fd15SEmmanuel Grumbach if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 34954615fd15SEmmanuel Grumbach key_offset = key->hw_key_idx; 34964615fd15SEmmanuel Grumbach else 34974615fd15SEmmanuel Grumbach key_offset = STA_KEY_IDX_INVALID; 34984615fd15SEmmanuel Grumbach 3499e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "set hwcrypto key\n"); 35004615fd15SEmmanuel Grumbach ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, key_offset); 3501e705c121SKalle Valo if (ret) { 3502e705c121SKalle Valo IWL_WARN(mvm, "set key failed\n"); 3503475c6bdeSJohannes Berg key->hw_key_idx = STA_KEY_IDX_INVALID; 3504e705c121SKalle Valo /* 3505e705c121SKalle Valo * can't add key for RX, but we don't need it 3506475c6bdeSJohannes Berg * in the device for TX so still return 0, 3507475c6bdeSJohannes Berg * unless we have new TX API where we cannot 3508475c6bdeSJohannes Berg * put key material into the TX_CMD 3509e705c121SKalle Valo */ 3510475c6bdeSJohannes Berg if (iwl_mvm_has_new_tx_api(mvm)) 3511475c6bdeSJohannes Berg ret = -EOPNOTSUPP; 3512475c6bdeSJohannes Berg else 3513e705c121SKalle Valo ret = 0; 3514e705c121SKalle Valo } 3515e705c121SKalle Valo 3516e705c121SKalle Valo break; 3517e705c121SKalle Valo case DISABLE_KEY: 3518c56e00a3SJohannes Berg ret = -ENOENT; 3519c56e00a3SJohannes Berg for (i = 0; i < ARRAY_SIZE(mvmvif->ap_early_keys); i++) { 3520c56e00a3SJohannes Berg if (mvmvif->ap_early_keys[i] == key) { 3521c56e00a3SJohannes Berg mvmvif->ap_early_keys[i] = NULL; 3522c56e00a3SJohannes Berg ret = 0; 3523c56e00a3SJohannes Berg } 3524c56e00a3SJohannes Berg } 3525c56e00a3SJohannes Berg 3526c56e00a3SJohannes Berg /* found in pending list - don't do anything else */ 3527c56e00a3SJohannes Berg if (ret == 0) 3528c56e00a3SJohannes Berg break; 3529c56e00a3SJohannes Berg 3530e705c121SKalle Valo if (key->hw_key_idx == STA_KEY_IDX_INVALID) { 3531e705c121SKalle Valo ret = 0; 3532e705c121SKalle Valo break; 3533e705c121SKalle Valo } 3534e705c121SKalle Valo 3535f5e28eacSJohannes Berg if (sta && iwl_mvm_has_new_rx_api(mvm) && 3536f5e28eacSJohannes Berg key->flags & IEEE80211_KEY_FLAG_PAIRWISE && 3537f5e28eacSJohannes Berg (key->cipher == WLAN_CIPHER_SUITE_CCMP || 35382a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP || 35392a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { 3540f5e28eacSJohannes Berg mvmsta = iwl_mvm_sta_from_mac80211(sta); 3541f5e28eacSJohannes Berg ptk_pn = rcu_dereference_protected( 3542f5e28eacSJohannes Berg mvmsta->ptk_pn[keyidx], 3543f5e28eacSJohannes Berg lockdep_is_held(&mvm->mutex)); 3544f5e28eacSJohannes Berg RCU_INIT_POINTER(mvmsta->ptk_pn[keyidx], NULL); 3545f5e28eacSJohannes Berg if (ptk_pn) 3546f5e28eacSJohannes Berg kfree_rcu(ptk_pn, rcu_head); 3547f5e28eacSJohannes Berg } 3548f5e28eacSJohannes Berg 3549e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n"); 3550e705c121SKalle Valo ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key); 3551e705c121SKalle Valo break; 3552e705c121SKalle Valo default: 3553e705c121SKalle Valo ret = -EINVAL; 3554e705c121SKalle Valo } 3555e705c121SKalle Valo 35566569e7d3SJohannes Berg return ret; 35576569e7d3SJohannes Berg } 35586569e7d3SJohannes Berg 35596569e7d3SJohannes Berg static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, 35606569e7d3SJohannes Berg enum set_key_cmd cmd, 35616569e7d3SJohannes Berg struct ieee80211_vif *vif, 35626569e7d3SJohannes Berg struct ieee80211_sta *sta, 35636569e7d3SJohannes Berg struct ieee80211_key_conf *key) 35646569e7d3SJohannes Berg { 35656569e7d3SJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 35666569e7d3SJohannes Berg int ret; 35676569e7d3SJohannes Berg 35686569e7d3SJohannes Berg mutex_lock(&mvm->mutex); 35696569e7d3SJohannes Berg ret = __iwl_mvm_mac_set_key(hw, cmd, vif, sta, key); 3570e705c121SKalle Valo mutex_unlock(&mvm->mutex); 35716569e7d3SJohannes Berg 3572e705c121SKalle Valo return ret; 3573e705c121SKalle Valo } 3574e705c121SKalle Valo 3575e705c121SKalle Valo static void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw, 3576e705c121SKalle Valo struct ieee80211_vif *vif, 3577e705c121SKalle Valo struct ieee80211_key_conf *keyconf, 3578e705c121SKalle Valo struct ieee80211_sta *sta, 3579e705c121SKalle Valo u32 iv32, u16 *phase1key) 3580e705c121SKalle Valo { 3581e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3582e705c121SKalle Valo 3583e705c121SKalle Valo if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID) 3584e705c121SKalle Valo return; 3585e705c121SKalle Valo 3586e705c121SKalle Valo iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key); 3587e705c121SKalle Valo } 3588e705c121SKalle Valo 3589e705c121SKalle Valo 3590e705c121SKalle Valo static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data *notif_wait, 3591e705c121SKalle Valo struct iwl_rx_packet *pkt, void *data) 3592e705c121SKalle Valo { 3593e705c121SKalle Valo struct iwl_mvm *mvm = 3594e705c121SKalle Valo container_of(notif_wait, struct iwl_mvm, notif_wait); 3595e705c121SKalle Valo struct iwl_hs20_roc_res *resp; 3596e705c121SKalle Valo int resp_len = iwl_rx_packet_payload_len(pkt); 3597e705c121SKalle Valo struct iwl_mvm_time_event_data *te_data = data; 3598e705c121SKalle Valo 3599e705c121SKalle Valo if (WARN_ON(pkt->hdr.cmd != HOT_SPOT_CMD)) 3600e705c121SKalle Valo return true; 3601e705c121SKalle Valo 3602e705c121SKalle Valo if (WARN_ON_ONCE(resp_len != sizeof(*resp))) { 3603e705c121SKalle Valo IWL_ERR(mvm, "Invalid HOT_SPOT_CMD response\n"); 3604e705c121SKalle Valo return true; 3605e705c121SKalle Valo } 3606e705c121SKalle Valo 3607e705c121SKalle Valo resp = (void *)pkt->data; 3608e705c121SKalle Valo 3609e705c121SKalle Valo IWL_DEBUG_TE(mvm, 3610b71a9c35SColin Ian King "Aux ROC: Received response from ucode: status=%d uid=%d\n", 3611e705c121SKalle Valo resp->status, resp->event_unique_id); 3612e705c121SKalle Valo 3613e705c121SKalle Valo te_data->uid = le32_to_cpu(resp->event_unique_id); 3614e705c121SKalle Valo IWL_DEBUG_TE(mvm, "TIME_EVENT_CMD response - UID = 0x%x\n", 3615e705c121SKalle Valo te_data->uid); 3616e705c121SKalle Valo 3617e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 3618e705c121SKalle Valo list_add_tail(&te_data->list, &mvm->aux_roc_te_list); 3619e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 3620e705c121SKalle Valo 3621e705c121SKalle Valo return true; 3622e705c121SKalle Valo } 3623e705c121SKalle Valo 3624dc28e12fSMatti Gottlieb #define AUX_ROC_MIN_DURATION MSEC_TO_TU(100) 3625dc28e12fSMatti Gottlieb #define AUX_ROC_MIN_DELAY MSEC_TO_TU(200) 3626dc28e12fSMatti Gottlieb #define AUX_ROC_MAX_DELAY MSEC_TO_TU(600) 3627dc28e12fSMatti Gottlieb #define AUX_ROC_SAFETY_BUFFER MSEC_TO_TU(20) 3628dc28e12fSMatti Gottlieb #define AUX_ROC_MIN_SAFETY_BUFFER MSEC_TO_TU(10) 3629e705c121SKalle Valo static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm, 3630e705c121SKalle Valo struct ieee80211_channel *channel, 3631e705c121SKalle Valo struct ieee80211_vif *vif, 3632e705c121SKalle Valo int duration) 3633e705c121SKalle Valo { 3634afc1e3b4SAvraham Stern int res; 3635e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3636e705c121SKalle Valo struct iwl_mvm_time_event_data *te_data = &mvmvif->hs_time_event_data; 3637e705c121SKalle Valo static const u16 time_event_response[] = { HOT_SPOT_CMD }; 3638e705c121SKalle Valo struct iwl_notification_wait wait_time_event; 3639dc28e12fSMatti Gottlieb u32 dtim_interval = vif->bss_conf.dtim_period * 3640dc28e12fSMatti Gottlieb vif->bss_conf.beacon_int; 3641dc28e12fSMatti Gottlieb u32 req_dur, delay; 3642e705c121SKalle Valo struct iwl_hs20_roc_req aux_roc_req = { 3643e705c121SKalle Valo .action = cpu_to_le32(FW_CTXT_ACTION_ADD), 3644e705c121SKalle Valo .id_and_color = 3645e705c121SKalle Valo cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX, 0)), 3646e705c121SKalle Valo .sta_id_and_color = cpu_to_le32(mvm->aux_sta.sta_id), 3647e705c121SKalle Valo }; 364857e861d9SDavid Spinadel struct iwl_hs20_roc_req_tail *tail = iwl_mvm_chan_info_cmd_tail(mvm, 364957e861d9SDavid Spinadel &aux_roc_req.channel_info); 365057e861d9SDavid Spinadel u16 len = sizeof(aux_roc_req) - iwl_mvm_chan_info_padding(mvm); 365157e861d9SDavid Spinadel 365257e861d9SDavid Spinadel /* Set the channel info data */ 365357e861d9SDavid Spinadel iwl_mvm_set_chan_info(mvm, &aux_roc_req.channel_info, channel->hw_value, 36543717f91aSTova Mussai iwl_mvm_phy_band_from_nl80211(channel->band), 365557e861d9SDavid Spinadel PHY_VHT_CHANNEL_MODE20, 365657e861d9SDavid Spinadel 0); 365757e861d9SDavid Spinadel 365857e861d9SDavid Spinadel /* Set the time and duration */ 3659afc1e3b4SAvraham Stern tail->apply_time = cpu_to_le32(iwl_mvm_get_systime(mvm)); 3660e705c121SKalle Valo 3661dc28e12fSMatti Gottlieb delay = AUX_ROC_MIN_DELAY; 3662dc28e12fSMatti Gottlieb req_dur = MSEC_TO_TU(duration); 3663dc28e12fSMatti Gottlieb 3664dc28e12fSMatti Gottlieb /* 3665dc28e12fSMatti Gottlieb * If we are associated we want the delay time to be at least one 3666dc28e12fSMatti Gottlieb * dtim interval so that the FW can wait until after the DTIM and 3667dc28e12fSMatti Gottlieb * then start the time event, this will potentially allow us to 3668dc28e12fSMatti Gottlieb * remain off-channel for the max duration. 3669dc28e12fSMatti Gottlieb * Since we want to use almost a whole dtim interval we would also 3670dc28e12fSMatti Gottlieb * like the delay to be for 2-3 dtim intervals, in case there are 3671dc28e12fSMatti Gottlieb * other time events with higher priority. 3672dc28e12fSMatti Gottlieb */ 3673dc28e12fSMatti Gottlieb if (vif->bss_conf.assoc) { 3674dc28e12fSMatti Gottlieb delay = min_t(u32, dtim_interval * 3, AUX_ROC_MAX_DELAY); 3675dc28e12fSMatti Gottlieb /* We cannot remain off-channel longer than the DTIM interval */ 3676dc28e12fSMatti Gottlieb if (dtim_interval <= req_dur) { 3677dc28e12fSMatti Gottlieb req_dur = dtim_interval - AUX_ROC_SAFETY_BUFFER; 3678dc28e12fSMatti Gottlieb if (req_dur <= AUX_ROC_MIN_DURATION) 3679dc28e12fSMatti Gottlieb req_dur = dtim_interval - 3680dc28e12fSMatti Gottlieb AUX_ROC_MIN_SAFETY_BUFFER; 3681dc28e12fSMatti Gottlieb } 3682dc28e12fSMatti Gottlieb } 3683dc28e12fSMatti Gottlieb 368457e861d9SDavid Spinadel tail->duration = cpu_to_le32(req_dur); 368557e861d9SDavid Spinadel tail->apply_time_max_delay = cpu_to_le32(delay); 3686dc28e12fSMatti Gottlieb 3687dc28e12fSMatti Gottlieb IWL_DEBUG_TE(mvm, 3688dc28e12fSMatti Gottlieb "ROC: Requesting to remain on channel %u for %ums (requested = %ums, max_delay = %ums, dtim_interval = %ums)\n", 3689dc28e12fSMatti Gottlieb channel->hw_value, req_dur, duration, delay, 3690dc28e12fSMatti Gottlieb dtim_interval); 3691e705c121SKalle Valo /* Set the node address */ 369257e861d9SDavid Spinadel memcpy(tail->node_addr, vif->addr, ETH_ALEN); 3693e705c121SKalle Valo 3694e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 3695e705c121SKalle Valo 3696e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 3697e705c121SKalle Valo 3698e705c121SKalle Valo if (WARN_ON(te_data->id == HOT_SPOT_CMD)) { 3699e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 3700e705c121SKalle Valo return -EIO; 3701e705c121SKalle Valo } 3702e705c121SKalle Valo 3703e705c121SKalle Valo te_data->vif = vif; 3704e705c121SKalle Valo te_data->duration = duration; 3705e705c121SKalle Valo te_data->id = HOT_SPOT_CMD; 3706e705c121SKalle Valo 3707e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 3708e705c121SKalle Valo 3709e705c121SKalle Valo /* 3710e705c121SKalle Valo * Use a notification wait, which really just processes the 3711e705c121SKalle Valo * command response and doesn't wait for anything, in order 3712e705c121SKalle Valo * to be able to process the response and get the UID inside 3713e705c121SKalle Valo * the RX path. Using CMD_WANT_SKB doesn't work because it 3714e705c121SKalle Valo * stores the buffer and then wakes up this thread, by which 3715e705c121SKalle Valo * time another notification (that the time event started) 3716e705c121SKalle Valo * might already be processed unsuccessfully. 3717e705c121SKalle Valo */ 3718e705c121SKalle Valo iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event, 3719e705c121SKalle Valo time_event_response, 3720e705c121SKalle Valo ARRAY_SIZE(time_event_response), 3721e705c121SKalle Valo iwl_mvm_rx_aux_roc, te_data); 3722e705c121SKalle Valo 372357e861d9SDavid Spinadel res = iwl_mvm_send_cmd_pdu(mvm, HOT_SPOT_CMD, 0, len, 3724e705c121SKalle Valo &aux_roc_req); 3725e705c121SKalle Valo 3726e705c121SKalle Valo if (res) { 3727e705c121SKalle Valo IWL_ERR(mvm, "Couldn't send HOT_SPOT_CMD: %d\n", res); 3728e705c121SKalle Valo iwl_remove_notification(&mvm->notif_wait, &wait_time_event); 3729e705c121SKalle Valo goto out_clear_te; 3730e705c121SKalle Valo } 3731e705c121SKalle Valo 3732e705c121SKalle Valo /* No need to wait for anything, so just pass 1 (0 isn't valid) */ 3733e705c121SKalle Valo res = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1); 3734e705c121SKalle Valo /* should never fail */ 3735e705c121SKalle Valo WARN_ON_ONCE(res); 3736e705c121SKalle Valo 3737e705c121SKalle Valo if (res) { 3738e705c121SKalle Valo out_clear_te: 3739e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 3740e705c121SKalle Valo iwl_mvm_te_clear_data(mvm, te_data); 3741e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 3742e705c121SKalle Valo } 3743e705c121SKalle Valo 3744e705c121SKalle Valo return res; 3745e705c121SKalle Valo } 3746e705c121SKalle Valo 3747e705c121SKalle Valo static int iwl_mvm_roc(struct ieee80211_hw *hw, 3748e705c121SKalle Valo struct ieee80211_vif *vif, 3749e705c121SKalle Valo struct ieee80211_channel *channel, 3750e705c121SKalle Valo int duration, 3751e705c121SKalle Valo enum ieee80211_roc_type type) 3752e705c121SKalle Valo { 3753e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3754e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3755e705c121SKalle Valo struct cfg80211_chan_def chandef; 3756e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt; 3757e705c121SKalle Valo int ret, i; 3758e705c121SKalle Valo 3759e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value, 3760e705c121SKalle Valo duration, type); 3761e705c121SKalle Valo 37629834781cSJohannes Berg /* 37639834781cSJohannes Berg * Flush the done work, just in case it's still pending, so that 37649834781cSJohannes Berg * the work it does can complete and we can accept new frames. 37659834781cSJohannes Berg */ 3766e705c121SKalle Valo flush_work(&mvm->roc_done_wk); 3767e705c121SKalle Valo 3768e705c121SKalle Valo mutex_lock(&mvm->mutex); 3769e705c121SKalle Valo 3770e705c121SKalle Valo switch (vif->type) { 3771e705c121SKalle Valo case NL80211_IFTYPE_STATION: 3772e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 3773e705c121SKalle Valo IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT)) { 3774e705c121SKalle Valo /* Use aux roc framework (HS20) */ 3775e705c121SKalle Valo ret = iwl_mvm_send_aux_roc_cmd(mvm, channel, 3776e705c121SKalle Valo vif, duration); 3777e705c121SKalle Valo goto out_unlock; 3778e705c121SKalle Valo } 3779e705c121SKalle Valo IWL_ERR(mvm, "hotspot not supported\n"); 3780e705c121SKalle Valo ret = -EINVAL; 3781e705c121SKalle Valo goto out_unlock; 3782e705c121SKalle Valo case NL80211_IFTYPE_P2P_DEVICE: 3783e705c121SKalle Valo /* handle below */ 3784e705c121SKalle Valo break; 3785e705c121SKalle Valo default: 3786e705c121SKalle Valo IWL_ERR(mvm, "vif isn't P2P_DEVICE: %d\n", vif->type); 3787e705c121SKalle Valo ret = -EINVAL; 3788e705c121SKalle Valo goto out_unlock; 3789e705c121SKalle Valo } 3790e705c121SKalle Valo 3791e705c121SKalle Valo for (i = 0; i < NUM_PHY_CTX; i++) { 3792e705c121SKalle Valo phy_ctxt = &mvm->phy_ctxts[i]; 3793e705c121SKalle Valo if (phy_ctxt->ref == 0 || mvmvif->phy_ctxt == phy_ctxt) 3794e705c121SKalle Valo continue; 3795e705c121SKalle Valo 3796e705c121SKalle Valo if (phy_ctxt->ref && channel == phy_ctxt->channel) { 3797e705c121SKalle Valo /* 3798e705c121SKalle Valo * Unbind the P2P_DEVICE from the current PHY context, 3799e705c121SKalle Valo * and if the PHY context is not used remove it. 3800e705c121SKalle Valo */ 3801e705c121SKalle Valo ret = iwl_mvm_binding_remove_vif(mvm, vif); 3802e705c121SKalle Valo if (WARN(ret, "Failed unbinding P2P_DEVICE\n")) 3803e705c121SKalle Valo goto out_unlock; 3804e705c121SKalle Valo 3805e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); 3806e705c121SKalle Valo 3807e705c121SKalle Valo /* Bind the P2P_DEVICE to the current PHY Context */ 3808e705c121SKalle Valo mvmvif->phy_ctxt = phy_ctxt; 3809e705c121SKalle Valo 3810e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 3811e705c121SKalle Valo if (WARN(ret, "Failed binding P2P_DEVICE\n")) 3812e705c121SKalle Valo goto out_unlock; 3813e705c121SKalle Valo 3814e705c121SKalle Valo iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt); 3815e705c121SKalle Valo goto schedule_time_event; 3816e705c121SKalle Valo } 3817e705c121SKalle Valo } 3818e705c121SKalle Valo 3819e705c121SKalle Valo /* Need to update the PHY context only if the ROC channel changed */ 3820e705c121SKalle Valo if (channel == mvmvif->phy_ctxt->channel) 3821e705c121SKalle Valo goto schedule_time_event; 3822e705c121SKalle Valo 3823e705c121SKalle Valo cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT); 3824e705c121SKalle Valo 3825e705c121SKalle Valo /* 3826e705c121SKalle Valo * Change the PHY context configuration as it is currently referenced 3827e705c121SKalle Valo * only by the P2P Device MAC 3828e705c121SKalle Valo */ 3829e705c121SKalle Valo if (mvmvif->phy_ctxt->ref == 1) { 3830e705c121SKalle Valo ret = iwl_mvm_phy_ctxt_changed(mvm, mvmvif->phy_ctxt, 3831e705c121SKalle Valo &chandef, 1, 1); 3832e705c121SKalle Valo if (ret) 3833e705c121SKalle Valo goto out_unlock; 3834e705c121SKalle Valo } else { 3835e705c121SKalle Valo /* 3836e705c121SKalle Valo * The PHY context is shared with other MACs. Need to remove the 3837e705c121SKalle Valo * P2P Device from the binding, allocate an new PHY context and 3838e705c121SKalle Valo * create a new binding 3839e705c121SKalle Valo */ 3840e705c121SKalle Valo phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 3841e705c121SKalle Valo if (!phy_ctxt) { 3842e705c121SKalle Valo ret = -ENOSPC; 3843e705c121SKalle Valo goto out_unlock; 3844e705c121SKalle Valo } 3845e705c121SKalle Valo 3846e705c121SKalle Valo ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &chandef, 3847e705c121SKalle Valo 1, 1); 3848e705c121SKalle Valo if (ret) { 3849e705c121SKalle Valo IWL_ERR(mvm, "Failed to change PHY context\n"); 3850e705c121SKalle Valo goto out_unlock; 3851e705c121SKalle Valo } 3852e705c121SKalle Valo 3853e705c121SKalle Valo /* Unbind the P2P_DEVICE from the current PHY context */ 3854e705c121SKalle Valo ret = iwl_mvm_binding_remove_vif(mvm, vif); 3855e705c121SKalle Valo if (WARN(ret, "Failed unbinding P2P_DEVICE\n")) 3856e705c121SKalle Valo goto out_unlock; 3857e705c121SKalle Valo 3858e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); 3859e705c121SKalle Valo 3860e705c121SKalle Valo /* Bind the P2P_DEVICE to the new allocated PHY context */ 3861e705c121SKalle Valo mvmvif->phy_ctxt = phy_ctxt; 3862e705c121SKalle Valo 3863e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 3864e705c121SKalle Valo if (WARN(ret, "Failed binding P2P_DEVICE\n")) 3865e705c121SKalle Valo goto out_unlock; 3866e705c121SKalle Valo 3867e705c121SKalle Valo iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt); 3868e705c121SKalle Valo } 3869e705c121SKalle Valo 3870e705c121SKalle Valo schedule_time_event: 3871e705c121SKalle Valo /* Schedule the time events */ 3872e705c121SKalle Valo ret = iwl_mvm_start_p2p_roc(mvm, vif, duration, type); 3873e705c121SKalle Valo 3874e705c121SKalle Valo out_unlock: 3875e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3876e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "leave\n"); 3877e705c121SKalle Valo return ret; 3878e705c121SKalle Valo } 3879e705c121SKalle Valo 38805db4c4b9SEmmanuel Grumbach static int iwl_mvm_cancel_roc(struct ieee80211_hw *hw, 38815db4c4b9SEmmanuel Grumbach struct ieee80211_vif *vif) 3882e705c121SKalle Valo { 3883e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3884e705c121SKalle Valo 3885e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "enter\n"); 3886e705c121SKalle Valo 3887e705c121SKalle Valo mutex_lock(&mvm->mutex); 3888fe959c7bSEmmanuel Grumbach iwl_mvm_stop_roc(mvm, vif); 3889e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3890e705c121SKalle Valo 3891e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "leave\n"); 3892e705c121SKalle Valo return 0; 3893e705c121SKalle Valo } 3894e705c121SKalle Valo 3895b73f9a4aSJohannes Berg struct iwl_mvm_ftm_responder_iter_data { 3896b73f9a4aSJohannes Berg bool responder; 3897b73f9a4aSJohannes Berg struct ieee80211_chanctx_conf *ctx; 3898b73f9a4aSJohannes Berg }; 3899b73f9a4aSJohannes Berg 3900b73f9a4aSJohannes Berg static void iwl_mvm_ftm_responder_chanctx_iter(void *_data, u8 *mac, 3901b73f9a4aSJohannes Berg struct ieee80211_vif *vif) 3902b73f9a4aSJohannes Berg { 3903b73f9a4aSJohannes Berg struct iwl_mvm_ftm_responder_iter_data *data = _data; 3904b73f9a4aSJohannes Berg 3905b73f9a4aSJohannes Berg if (rcu_access_pointer(vif->chanctx_conf) == data->ctx && 3906b73f9a4aSJohannes Berg vif->type == NL80211_IFTYPE_AP && vif->bss_conf.ftmr_params) 3907b73f9a4aSJohannes Berg data->responder = true; 3908b73f9a4aSJohannes Berg } 3909b73f9a4aSJohannes Berg 3910b73f9a4aSJohannes Berg static bool iwl_mvm_is_ftm_responder_chanctx(struct iwl_mvm *mvm, 3911b73f9a4aSJohannes Berg struct ieee80211_chanctx_conf *ctx) 3912b73f9a4aSJohannes Berg { 3913b73f9a4aSJohannes Berg struct iwl_mvm_ftm_responder_iter_data data = { 3914b73f9a4aSJohannes Berg .responder = false, 3915b73f9a4aSJohannes Berg .ctx = ctx, 3916b73f9a4aSJohannes Berg }; 3917b73f9a4aSJohannes Berg 3918b73f9a4aSJohannes Berg ieee80211_iterate_active_interfaces_atomic(mvm->hw, 3919b73f9a4aSJohannes Berg IEEE80211_IFACE_ITER_NORMAL, 3920b73f9a4aSJohannes Berg iwl_mvm_ftm_responder_chanctx_iter, 3921b73f9a4aSJohannes Berg &data); 3922b73f9a4aSJohannes Berg return data.responder; 3923b73f9a4aSJohannes Berg } 3924b73f9a4aSJohannes Berg 3925e705c121SKalle Valo static int __iwl_mvm_add_chanctx(struct iwl_mvm *mvm, 3926e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 3927e705c121SKalle Valo { 3928e705c121SKalle Valo u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 3929e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt; 3930b73f9a4aSJohannes Berg bool responder = iwl_mvm_is_ftm_responder_chanctx(mvm, ctx); 3931b73f9a4aSJohannes Berg struct cfg80211_chan_def *def = responder ? &ctx->def : &ctx->min_def; 3932e705c121SKalle Valo int ret; 3933e705c121SKalle Valo 3934e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 3935e705c121SKalle Valo 3936e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "Add channel context\n"); 3937e705c121SKalle Valo 3938e705c121SKalle Valo phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 3939e705c121SKalle Valo if (!phy_ctxt) { 3940e705c121SKalle Valo ret = -ENOSPC; 3941e705c121SKalle Valo goto out; 3942e705c121SKalle Valo } 3943e705c121SKalle Valo 3944b73f9a4aSJohannes Berg ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, def, 3945e705c121SKalle Valo ctx->rx_chains_static, 3946e705c121SKalle Valo ctx->rx_chains_dynamic); 3947e705c121SKalle Valo if (ret) { 3948e705c121SKalle Valo IWL_ERR(mvm, "Failed to add PHY context\n"); 3949e705c121SKalle Valo goto out; 3950e705c121SKalle Valo } 3951e705c121SKalle Valo 3952e705c121SKalle Valo iwl_mvm_phy_ctxt_ref(mvm, phy_ctxt); 3953e705c121SKalle Valo *phy_ctxt_id = phy_ctxt->id; 3954e705c121SKalle Valo out: 3955e705c121SKalle Valo return ret; 3956e705c121SKalle Valo } 3957e705c121SKalle Valo 3958e705c121SKalle Valo static int iwl_mvm_add_chanctx(struct ieee80211_hw *hw, 3959e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 3960e705c121SKalle Valo { 3961e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3962e705c121SKalle Valo int ret; 3963e705c121SKalle Valo 3964e705c121SKalle Valo mutex_lock(&mvm->mutex); 3965e705c121SKalle Valo ret = __iwl_mvm_add_chanctx(mvm, ctx); 3966e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3967e705c121SKalle Valo 3968e705c121SKalle Valo return ret; 3969e705c121SKalle Valo } 3970e705c121SKalle Valo 3971e705c121SKalle Valo static void __iwl_mvm_remove_chanctx(struct iwl_mvm *mvm, 3972e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 3973e705c121SKalle Valo { 3974e705c121SKalle Valo u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 3975e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 3976e705c121SKalle Valo 3977e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 3978e705c121SKalle Valo 3979e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt); 3980e705c121SKalle Valo } 3981e705c121SKalle Valo 3982e705c121SKalle Valo static void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw, 3983e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 3984e705c121SKalle Valo { 3985e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3986e705c121SKalle Valo 3987e705c121SKalle Valo mutex_lock(&mvm->mutex); 3988e705c121SKalle Valo __iwl_mvm_remove_chanctx(mvm, ctx); 3989e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3990e705c121SKalle Valo } 3991e705c121SKalle Valo 3992e705c121SKalle Valo static void iwl_mvm_change_chanctx(struct ieee80211_hw *hw, 3993e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx, 3994e705c121SKalle Valo u32 changed) 3995e705c121SKalle Valo { 3996e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3997e705c121SKalle Valo u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 3998e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 3999b73f9a4aSJohannes Berg bool responder = iwl_mvm_is_ftm_responder_chanctx(mvm, ctx); 4000b73f9a4aSJohannes Berg struct cfg80211_chan_def *def = responder ? &ctx->def : &ctx->min_def; 4001e705c121SKalle Valo 4002e705c121SKalle Valo if (WARN_ONCE((phy_ctxt->ref > 1) && 4003e705c121SKalle Valo (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH | 4004e705c121SKalle Valo IEEE80211_CHANCTX_CHANGE_RX_CHAINS | 4005e705c121SKalle Valo IEEE80211_CHANCTX_CHANGE_RADAR | 4006e705c121SKalle Valo IEEE80211_CHANCTX_CHANGE_MIN_WIDTH)), 4007e705c121SKalle Valo "Cannot change PHY. Ref=%d, changed=0x%X\n", 4008e705c121SKalle Valo phy_ctxt->ref, changed)) 4009e705c121SKalle Valo return; 4010e705c121SKalle Valo 4011e705c121SKalle Valo mutex_lock(&mvm->mutex); 40127a20bcceSEmmanuel Grumbach 40137a20bcceSEmmanuel Grumbach /* we are only changing the min_width, may be a noop */ 40147a20bcceSEmmanuel Grumbach if (changed == IEEE80211_CHANCTX_CHANGE_MIN_WIDTH) { 4015b73f9a4aSJohannes Berg if (phy_ctxt->width == def->width) 40167a20bcceSEmmanuel Grumbach goto out_unlock; 40177a20bcceSEmmanuel Grumbach 40187a20bcceSEmmanuel Grumbach /* we are just toggling between 20_NOHT and 20 */ 40197a20bcceSEmmanuel Grumbach if (phy_ctxt->width <= NL80211_CHAN_WIDTH_20 && 4020b73f9a4aSJohannes Berg def->width <= NL80211_CHAN_WIDTH_20) 40217a20bcceSEmmanuel Grumbach goto out_unlock; 40227a20bcceSEmmanuel Grumbach } 40237a20bcceSEmmanuel Grumbach 4024e705c121SKalle Valo iwl_mvm_bt_coex_vif_change(mvm); 4025b73f9a4aSJohannes Berg iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, def, 4026e705c121SKalle Valo ctx->rx_chains_static, 4027e705c121SKalle Valo ctx->rx_chains_dynamic); 40287a20bcceSEmmanuel Grumbach 40297a20bcceSEmmanuel Grumbach out_unlock: 4030e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4031e705c121SKalle Valo } 4032e705c121SKalle Valo 4033e705c121SKalle Valo static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm, 4034e705c121SKalle Valo struct ieee80211_vif *vif, 4035e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx, 4036e705c121SKalle Valo bool switching_chanctx) 4037e705c121SKalle Valo { 4038e705c121SKalle Valo u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 4039e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 4040e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4041e705c121SKalle Valo int ret; 4042e705c121SKalle Valo 4043e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 4044e705c121SKalle Valo 4045e705c121SKalle Valo mvmvif->phy_ctxt = phy_ctxt; 4046e705c121SKalle Valo 4047e705c121SKalle Valo switch (vif->type) { 4048e705c121SKalle Valo case NL80211_IFTYPE_AP: 4049e705c121SKalle Valo /* only needed if we're switching chanctx (i.e. during CSA) */ 4050e705c121SKalle Valo if (switching_chanctx) { 4051e705c121SKalle Valo mvmvif->ap_ibss_active = true; 4052e705c121SKalle Valo break; 4053e705c121SKalle Valo } 4054244726ecSLuca Coelho /* fall through */ 4055e705c121SKalle Valo case NL80211_IFTYPE_ADHOC: 4056e705c121SKalle Valo /* 4057e705c121SKalle Valo * The AP binding flow is handled as part of the start_ap flow 4058e705c121SKalle Valo * (in bss_info_changed), similarly for IBSS. 4059e705c121SKalle Valo */ 4060e705c121SKalle Valo ret = 0; 4061e705c121SKalle Valo goto out; 4062e705c121SKalle Valo case NL80211_IFTYPE_STATION: 406319125cb0SAndrei Otcheretianski mvmvif->csa_bcn_pending = false; 4064e705c121SKalle Valo break; 4065e705c121SKalle Valo case NL80211_IFTYPE_MONITOR: 4066e705c121SKalle Valo /* always disable PS when a monitor interface is active */ 4067e705c121SKalle Valo mvmvif->ps_disabled = true; 4068e705c121SKalle Valo break; 4069e705c121SKalle Valo default: 4070e705c121SKalle Valo ret = -EINVAL; 4071e705c121SKalle Valo goto out; 4072e705c121SKalle Valo } 4073e705c121SKalle Valo 4074e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 4075e705c121SKalle Valo if (ret) 4076e705c121SKalle Valo goto out; 4077e705c121SKalle Valo 4078e705c121SKalle Valo /* 4079e705c121SKalle Valo * Power state must be updated before quotas, 4080e705c121SKalle Valo * otherwise fw will complain. 4081e705c121SKalle Valo */ 4082e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 4083e705c121SKalle Valo 4084e705c121SKalle Valo /* Setting the quota at this stage is only required for monitor 4085e705c121SKalle Valo * interfaces. For the other types, the bss_info changed flow 4086e705c121SKalle Valo * will handle quota settings. 4087e705c121SKalle Valo */ 4088e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_MONITOR) { 4089e705c121SKalle Valo mvmvif->monitor_active = true; 4090e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, false, NULL); 4091e705c121SKalle Valo if (ret) 4092e705c121SKalle Valo goto out_remove_binding; 40930e39eb03SChaya Rachel Ivgi 40940e39eb03SChaya Rachel Ivgi ret = iwl_mvm_add_snif_sta(mvm, vif); 40950e39eb03SChaya Rachel Ivgi if (ret) 40960e39eb03SChaya Rachel Ivgi goto out_remove_binding; 40970e39eb03SChaya Rachel Ivgi 4098e705c121SKalle Valo } 4099e705c121SKalle Valo 4100e705c121SKalle Valo /* Handle binding during CSA */ 4101e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP) { 4102e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, NULL); 4103e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 4104e705c121SKalle Valo } 4105e705c121SKalle Valo 4106e705c121SKalle Valo if (switching_chanctx && vif->type == NL80211_IFTYPE_STATION) { 410774a10252SSara Sharon mvmvif->csa_bcn_pending = true; 410874a10252SSara Sharon 410974a10252SSara Sharon if (!fw_has_capa(&mvm->fw->ucode_capa, 411074a10252SSara Sharon IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 411119125cb0SAndrei Otcheretianski u32 duration = 3 * vif->bss_conf.beacon_int; 4112e705c121SKalle Valo 4113e705c121SKalle Valo /* Protect the session to make sure we hear the first 4114e705c121SKalle Valo * beacon on the new channel. 4115e705c121SKalle Valo */ 4116e705c121SKalle Valo iwl_mvm_protect_session(mvm, vif, duration, duration, 4117e705c121SKalle Valo vif->bss_conf.beacon_int / 2, 4118e705c121SKalle Valo true); 411974a10252SSara Sharon } 4120e705c121SKalle Valo 4121e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, NULL); 4122e705c121SKalle Valo } 4123e705c121SKalle Valo 4124e705c121SKalle Valo goto out; 4125e705c121SKalle Valo 4126e705c121SKalle Valo out_remove_binding: 4127e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 4128e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 4129e705c121SKalle Valo out: 4130e705c121SKalle Valo if (ret) 4131e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 4132e705c121SKalle Valo return ret; 4133e705c121SKalle Valo } 4134e705c121SKalle Valo static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw, 4135e705c121SKalle Valo struct ieee80211_vif *vif, 4136e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 4137e705c121SKalle Valo { 4138e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4139e705c121SKalle Valo int ret; 4140e705c121SKalle Valo 4141e705c121SKalle Valo mutex_lock(&mvm->mutex); 4142e705c121SKalle Valo ret = __iwl_mvm_assign_vif_chanctx(mvm, vif, ctx, false); 4143e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4144e705c121SKalle Valo 4145e705c121SKalle Valo return ret; 4146e705c121SKalle Valo } 4147e705c121SKalle Valo 4148e705c121SKalle Valo static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm, 4149e705c121SKalle Valo struct ieee80211_vif *vif, 4150e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx, 4151e705c121SKalle Valo bool switching_chanctx) 4152e705c121SKalle Valo { 4153e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4154e705c121SKalle Valo struct ieee80211_vif *disabled_vif = NULL; 4155e705c121SKalle Valo 4156e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 4157e705c121SKalle Valo 4158e705c121SKalle Valo iwl_mvm_remove_time_event(mvm, mvmvif, &mvmvif->time_event_data); 4159e705c121SKalle Valo 4160e705c121SKalle Valo switch (vif->type) { 4161e705c121SKalle Valo case NL80211_IFTYPE_ADHOC: 4162e705c121SKalle Valo goto out; 4163e705c121SKalle Valo case NL80211_IFTYPE_MONITOR: 4164e705c121SKalle Valo mvmvif->monitor_active = false; 4165e705c121SKalle Valo mvmvif->ps_disabled = false; 41660e39eb03SChaya Rachel Ivgi iwl_mvm_rm_snif_sta(mvm, vif); 4167e705c121SKalle Valo break; 4168e705c121SKalle Valo case NL80211_IFTYPE_AP: 4169e705c121SKalle Valo /* This part is triggered only during CSA */ 4170e705c121SKalle Valo if (!switching_chanctx || !mvmvif->ap_ibss_active) 4171e705c121SKalle Valo goto out; 4172e705c121SKalle Valo 4173e705c121SKalle Valo mvmvif->csa_countdown = false; 4174e705c121SKalle Valo 4175e705c121SKalle Valo /* Set CS bit on all the stations */ 4176e705c121SKalle Valo iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, true); 4177e705c121SKalle Valo 4178e705c121SKalle Valo /* Save blocked iface, the timeout is set on the next beacon */ 4179e705c121SKalle Valo rcu_assign_pointer(mvm->csa_tx_blocked_vif, vif); 4180e705c121SKalle Valo 4181e705c121SKalle Valo mvmvif->ap_ibss_active = false; 4182e705c121SKalle Valo break; 4183e705c121SKalle Valo case NL80211_IFTYPE_STATION: 4184e705c121SKalle Valo if (!switching_chanctx) 4185e705c121SKalle Valo break; 4186e705c121SKalle Valo 4187e705c121SKalle Valo disabled_vif = vif; 4188e705c121SKalle Valo 418974a10252SSara Sharon if (!fw_has_capa(&mvm->fw->ucode_capa, 419074a10252SSara Sharon IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) 4191e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, true, NULL); 4192e705c121SKalle Valo break; 4193e705c121SKalle Valo default: 4194e705c121SKalle Valo break; 4195e705c121SKalle Valo } 4196e705c121SKalle Valo 4197e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, disabled_vif); 4198e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 4199e705c121SKalle Valo 4200e705c121SKalle Valo out: 4201e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 4202e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 4203e705c121SKalle Valo } 4204e705c121SKalle Valo 4205e705c121SKalle Valo static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw, 4206e705c121SKalle Valo struct ieee80211_vif *vif, 4207e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 4208e705c121SKalle Valo { 4209e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4210e705c121SKalle Valo 4211e705c121SKalle Valo mutex_lock(&mvm->mutex); 4212e705c121SKalle Valo __iwl_mvm_unassign_vif_chanctx(mvm, vif, ctx, false); 4213e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4214e705c121SKalle Valo } 4215e705c121SKalle Valo 4216e705c121SKalle Valo static int 4217e705c121SKalle Valo iwl_mvm_switch_vif_chanctx_swap(struct iwl_mvm *mvm, 4218e705c121SKalle Valo struct ieee80211_vif_chanctx_switch *vifs) 4219e705c121SKalle Valo { 4220e705c121SKalle Valo int ret; 4221e705c121SKalle Valo 4222e705c121SKalle Valo mutex_lock(&mvm->mutex); 4223e705c121SKalle Valo __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true); 4224e705c121SKalle Valo __iwl_mvm_remove_chanctx(mvm, vifs[0].old_ctx); 4225e705c121SKalle Valo 4226e705c121SKalle Valo ret = __iwl_mvm_add_chanctx(mvm, vifs[0].new_ctx); 4227e705c121SKalle Valo if (ret) { 4228e705c121SKalle Valo IWL_ERR(mvm, "failed to add new_ctx during channel switch\n"); 4229e705c121SKalle Valo goto out_reassign; 4230e705c121SKalle Valo } 4231e705c121SKalle Valo 4232e705c121SKalle Valo ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx, 4233e705c121SKalle Valo true); 4234e705c121SKalle Valo if (ret) { 4235e705c121SKalle Valo IWL_ERR(mvm, 4236e705c121SKalle Valo "failed to assign new_ctx during channel switch\n"); 4237e705c121SKalle Valo goto out_remove; 4238e705c121SKalle Valo } 4239e705c121SKalle Valo 4240e705c121SKalle Valo /* we don't support TDLS during DCM - can be caused by channel switch */ 4241e705c121SKalle Valo if (iwl_mvm_phy_ctx_count(mvm) > 1) 4242e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 4243e705c121SKalle Valo 4244e705c121SKalle Valo goto out; 4245e705c121SKalle Valo 4246e705c121SKalle Valo out_remove: 4247e705c121SKalle Valo __iwl_mvm_remove_chanctx(mvm, vifs[0].new_ctx); 4248e705c121SKalle Valo 4249e705c121SKalle Valo out_reassign: 4250e705c121SKalle Valo if (__iwl_mvm_add_chanctx(mvm, vifs[0].old_ctx)) { 4251e705c121SKalle Valo IWL_ERR(mvm, "failed to add old_ctx back after failure.\n"); 4252e705c121SKalle Valo goto out_restart; 4253e705c121SKalle Valo } 4254e705c121SKalle Valo 4255e705c121SKalle Valo if (__iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, 4256e705c121SKalle Valo true)) { 4257e705c121SKalle Valo IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); 4258e705c121SKalle Valo goto out_restart; 4259e705c121SKalle Valo } 4260e705c121SKalle Valo 4261e705c121SKalle Valo goto out; 4262e705c121SKalle Valo 4263e705c121SKalle Valo out_restart: 4264e705c121SKalle Valo /* things keep failing, better restart the hw */ 4265e705c121SKalle Valo iwl_mvm_nic_restart(mvm, false); 4266e705c121SKalle Valo 4267e705c121SKalle Valo out: 4268e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4269e705c121SKalle Valo 4270e705c121SKalle Valo return ret; 4271e705c121SKalle Valo } 4272e705c121SKalle Valo 4273e705c121SKalle Valo static int 4274e705c121SKalle Valo iwl_mvm_switch_vif_chanctx_reassign(struct iwl_mvm *mvm, 4275e705c121SKalle Valo struct ieee80211_vif_chanctx_switch *vifs) 4276e705c121SKalle Valo { 4277e705c121SKalle Valo int ret; 4278e705c121SKalle Valo 4279e705c121SKalle Valo mutex_lock(&mvm->mutex); 4280e705c121SKalle Valo __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true); 4281e705c121SKalle Valo 4282e705c121SKalle Valo ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx, 4283e705c121SKalle Valo true); 4284e705c121SKalle Valo if (ret) { 4285e705c121SKalle Valo IWL_ERR(mvm, 4286e705c121SKalle Valo "failed to assign new_ctx during channel switch\n"); 4287e705c121SKalle Valo goto out_reassign; 4288e705c121SKalle Valo } 4289e705c121SKalle Valo 4290e705c121SKalle Valo goto out; 4291e705c121SKalle Valo 4292e705c121SKalle Valo out_reassign: 4293e705c121SKalle Valo if (__iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, 4294e705c121SKalle Valo true)) { 4295e705c121SKalle Valo IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); 4296e705c121SKalle Valo goto out_restart; 4297e705c121SKalle Valo } 4298e705c121SKalle Valo 4299e705c121SKalle Valo goto out; 4300e705c121SKalle Valo 4301e705c121SKalle Valo out_restart: 4302e705c121SKalle Valo /* things keep failing, better restart the hw */ 4303e705c121SKalle Valo iwl_mvm_nic_restart(mvm, false); 4304e705c121SKalle Valo 4305e705c121SKalle Valo out: 4306e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4307e705c121SKalle Valo 4308e705c121SKalle Valo return ret; 4309e705c121SKalle Valo } 4310e705c121SKalle Valo 4311e705c121SKalle Valo static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw *hw, 4312e705c121SKalle Valo struct ieee80211_vif_chanctx_switch *vifs, 4313e705c121SKalle Valo int n_vifs, 4314e705c121SKalle Valo enum ieee80211_chanctx_switch_mode mode) 4315e705c121SKalle Valo { 4316e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4317e705c121SKalle Valo int ret; 4318e705c121SKalle Valo 4319e705c121SKalle Valo /* we only support a single-vif right now */ 4320e705c121SKalle Valo if (n_vifs > 1) 4321e705c121SKalle Valo return -EOPNOTSUPP; 4322e705c121SKalle Valo 4323e705c121SKalle Valo switch (mode) { 4324e705c121SKalle Valo case CHANCTX_SWMODE_SWAP_CONTEXTS: 4325e705c121SKalle Valo ret = iwl_mvm_switch_vif_chanctx_swap(mvm, vifs); 4326e705c121SKalle Valo break; 4327e705c121SKalle Valo case CHANCTX_SWMODE_REASSIGN_VIF: 4328e705c121SKalle Valo ret = iwl_mvm_switch_vif_chanctx_reassign(mvm, vifs); 4329e705c121SKalle Valo break; 4330e705c121SKalle Valo default: 4331e705c121SKalle Valo ret = -EOPNOTSUPP; 4332e705c121SKalle Valo break; 4333e705c121SKalle Valo } 4334e705c121SKalle Valo 4335e705c121SKalle Valo return ret; 4336e705c121SKalle Valo } 4337e705c121SKalle Valo 43382f0282dbSJohannes Berg static int iwl_mvm_tx_last_beacon(struct ieee80211_hw *hw) 43392f0282dbSJohannes Berg { 43402f0282dbSJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 43412f0282dbSJohannes Berg 43422f0282dbSJohannes Berg return mvm->ibss_manager; 43432f0282dbSJohannes Berg } 43442f0282dbSJohannes Berg 4345e705c121SKalle Valo static int iwl_mvm_set_tim(struct ieee80211_hw *hw, 4346e705c121SKalle Valo struct ieee80211_sta *sta, 4347e705c121SKalle Valo bool set) 4348e705c121SKalle Valo { 4349e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4350e705c121SKalle Valo struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 4351e705c121SKalle Valo 4352e705c121SKalle Valo if (!mvm_sta || !mvm_sta->vif) { 4353e705c121SKalle Valo IWL_ERR(mvm, "Station is not associated to a vif\n"); 4354e705c121SKalle Valo return -EINVAL; 4355e705c121SKalle Valo } 4356e705c121SKalle Valo 4357e705c121SKalle Valo return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif); 4358e705c121SKalle Valo } 4359e705c121SKalle Valo 4360e705c121SKalle Valo #ifdef CONFIG_NL80211_TESTMODE 4361e705c121SKalle Valo static const struct nla_policy iwl_mvm_tm_policy[IWL_MVM_TM_ATTR_MAX + 1] = { 4362e705c121SKalle Valo [IWL_MVM_TM_ATTR_CMD] = { .type = NLA_U32 }, 4363e705c121SKalle Valo [IWL_MVM_TM_ATTR_NOA_DURATION] = { .type = NLA_U32 }, 4364e705c121SKalle Valo [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE] = { .type = NLA_U32 }, 4365e705c121SKalle Valo }; 4366e705c121SKalle Valo 4367e705c121SKalle Valo static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm, 4368e705c121SKalle Valo struct ieee80211_vif *vif, 4369e705c121SKalle Valo void *data, int len) 4370e705c121SKalle Valo { 4371e705c121SKalle Valo struct nlattr *tb[IWL_MVM_TM_ATTR_MAX + 1]; 4372e705c121SKalle Valo int err; 4373e705c121SKalle Valo u32 noa_duration; 4374e705c121SKalle Valo 43758cb08174SJohannes Berg err = nla_parse_deprecated(tb, IWL_MVM_TM_ATTR_MAX, data, len, 43768cb08174SJohannes Berg iwl_mvm_tm_policy, NULL); 4377e705c121SKalle Valo if (err) 4378e705c121SKalle Valo return err; 4379e705c121SKalle Valo 4380e705c121SKalle Valo if (!tb[IWL_MVM_TM_ATTR_CMD]) 4381e705c121SKalle Valo return -EINVAL; 4382e705c121SKalle Valo 4383e705c121SKalle Valo switch (nla_get_u32(tb[IWL_MVM_TM_ATTR_CMD])) { 4384e705c121SKalle Valo case IWL_MVM_TM_CMD_SET_NOA: 4385e705c121SKalle Valo if (!vif || vif->type != NL80211_IFTYPE_AP || !vif->p2p || 4386e705c121SKalle Valo !vif->bss_conf.enable_beacon || 4387e705c121SKalle Valo !tb[IWL_MVM_TM_ATTR_NOA_DURATION]) 4388e705c121SKalle Valo return -EINVAL; 4389e705c121SKalle Valo 4390e705c121SKalle Valo noa_duration = nla_get_u32(tb[IWL_MVM_TM_ATTR_NOA_DURATION]); 4391e705c121SKalle Valo if (noa_duration >= vif->bss_conf.beacon_int) 4392e705c121SKalle Valo return -EINVAL; 4393e705c121SKalle Valo 4394e705c121SKalle Valo mvm->noa_duration = noa_duration; 4395e705c121SKalle Valo mvm->noa_vif = vif; 4396e705c121SKalle Valo 439722b21041SShaul Triebitz return iwl_mvm_update_quotas(mvm, true, NULL); 4398e705c121SKalle Valo case IWL_MVM_TM_CMD_SET_BEACON_FILTER: 4399e705c121SKalle Valo /* must be associated client vif - ignore authorized */ 4400e705c121SKalle Valo if (!vif || vif->type != NL80211_IFTYPE_STATION || 4401e705c121SKalle Valo !vif->bss_conf.assoc || !vif->bss_conf.dtim_period || 4402e705c121SKalle Valo !tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE]) 4403e705c121SKalle Valo return -EINVAL; 4404e705c121SKalle Valo 4405e705c121SKalle Valo if (nla_get_u32(tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE])) 4406e705c121SKalle Valo return iwl_mvm_enable_beacon_filter(mvm, vif, 0); 4407e705c121SKalle Valo return iwl_mvm_disable_beacon_filter(mvm, vif, 0); 4408e705c121SKalle Valo } 4409e705c121SKalle Valo 4410e705c121SKalle Valo return -EOPNOTSUPP; 4411e705c121SKalle Valo } 4412e705c121SKalle Valo 4413e705c121SKalle Valo static int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw *hw, 4414e705c121SKalle Valo struct ieee80211_vif *vif, 4415e705c121SKalle Valo void *data, int len) 4416e705c121SKalle Valo { 4417e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4418e705c121SKalle Valo int err; 4419e705c121SKalle Valo 4420e705c121SKalle Valo mutex_lock(&mvm->mutex); 4421e705c121SKalle Valo err = __iwl_mvm_mac_testmode_cmd(mvm, vif, data, len); 4422e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4423e705c121SKalle Valo 4424e705c121SKalle Valo return err; 4425e705c121SKalle Valo } 4426e705c121SKalle Valo #endif 4427e705c121SKalle Valo 4428e705c121SKalle Valo static void iwl_mvm_channel_switch(struct ieee80211_hw *hw, 4429e705c121SKalle Valo struct ieee80211_vif *vif, 4430e705c121SKalle Valo struct ieee80211_channel_switch *chsw) 4431e705c121SKalle Valo { 4432e705c121SKalle Valo /* By implementing this operation, we prevent mac80211 from 4433e705c121SKalle Valo * starting its own channel switch timer, so that we can call 4434e705c121SKalle Valo * ieee80211_chswitch_done() ourselves at the right time 4435e705c121SKalle Valo * (which is when the absence time event starts). 4436e705c121SKalle Valo */ 4437e705c121SKalle Valo 4438e705c121SKalle Valo IWL_DEBUG_MAC80211(IWL_MAC80211_GET_MVM(hw), 4439e705c121SKalle Valo "dummy channel switch op\n"); 4440e705c121SKalle Valo } 4441e705c121SKalle Valo 444274a10252SSara Sharon static int iwl_mvm_schedule_client_csa(struct iwl_mvm *mvm, 444374a10252SSara Sharon struct ieee80211_vif *vif, 444474a10252SSara Sharon struct ieee80211_channel_switch *chsw) 444574a10252SSara Sharon { 444674a10252SSara Sharon struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 444774a10252SSara Sharon struct iwl_chan_switch_te_cmd cmd = { 444874a10252SSara Sharon .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 444974a10252SSara Sharon mvmvif->color)), 445074a10252SSara Sharon .action = cpu_to_le32(FW_CTXT_ACTION_ADD), 445174a10252SSara Sharon .tsf = cpu_to_le32(chsw->timestamp), 445274a10252SSara Sharon .cs_count = chsw->count, 445377738865SSara Sharon .cs_mode = chsw->block_tx, 445474a10252SSara Sharon }; 445574a10252SSara Sharon 445674a10252SSara Sharon lockdep_assert_held(&mvm->mutex); 445774a10252SSara Sharon 44589cfcf71cSSara Sharon if (chsw->delay) 44599cfcf71cSSara Sharon cmd.cs_delayed_bcn_count = 44609cfcf71cSSara Sharon DIV_ROUND_UP(chsw->delay, vif->bss_conf.beacon_int); 44619cfcf71cSSara Sharon 446274a10252SSara Sharon return iwl_mvm_send_cmd_pdu(mvm, 446374a10252SSara Sharon WIDE_ID(MAC_CONF_GROUP, 446474a10252SSara Sharon CHANNEL_SWITCH_TIME_EVENT_CMD), 446574a10252SSara Sharon 0, sizeof(cmd), &cmd); 446674a10252SSara Sharon } 446774a10252SSara Sharon 44680202bcf0SEmmanuel Grumbach static int iwl_mvm_old_pre_chan_sw_sta(struct iwl_mvm *mvm, 44690202bcf0SEmmanuel Grumbach struct ieee80211_vif *vif, 44700202bcf0SEmmanuel Grumbach struct ieee80211_channel_switch *chsw) 44710202bcf0SEmmanuel Grumbach { 44720202bcf0SEmmanuel Grumbach struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 44730202bcf0SEmmanuel Grumbach u32 apply_time; 44740202bcf0SEmmanuel Grumbach 44750202bcf0SEmmanuel Grumbach /* Schedule the time event to a bit before beacon 1, 44760202bcf0SEmmanuel Grumbach * to make sure we're in the new channel when the 44770202bcf0SEmmanuel Grumbach * GO/AP arrives. In case count <= 1 immediately schedule the 44780202bcf0SEmmanuel Grumbach * TE (this might result with some packet loss or connection 44790202bcf0SEmmanuel Grumbach * loss). 44800202bcf0SEmmanuel Grumbach */ 44810202bcf0SEmmanuel Grumbach if (chsw->count <= 1) 44820202bcf0SEmmanuel Grumbach apply_time = 0; 44830202bcf0SEmmanuel Grumbach else 44840202bcf0SEmmanuel Grumbach apply_time = chsw->device_timestamp + 44850202bcf0SEmmanuel Grumbach ((vif->bss_conf.beacon_int * (chsw->count - 1) - 44860202bcf0SEmmanuel Grumbach IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT) * 1024); 44870202bcf0SEmmanuel Grumbach 44880202bcf0SEmmanuel Grumbach if (chsw->block_tx) 44890202bcf0SEmmanuel Grumbach iwl_mvm_csa_client_absent(mvm, vif); 44900202bcf0SEmmanuel Grumbach 44910202bcf0SEmmanuel Grumbach if (mvmvif->bf_data.bf_enabled) { 44920202bcf0SEmmanuel Grumbach int ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); 44930202bcf0SEmmanuel Grumbach 44940202bcf0SEmmanuel Grumbach if (ret) 44950202bcf0SEmmanuel Grumbach return ret; 44960202bcf0SEmmanuel Grumbach } 44970202bcf0SEmmanuel Grumbach 44980202bcf0SEmmanuel Grumbach iwl_mvm_schedule_csa_period(mvm, vif, vif->bss_conf.beacon_int, 44990202bcf0SEmmanuel Grumbach apply_time); 45000202bcf0SEmmanuel Grumbach 45010202bcf0SEmmanuel Grumbach return 0; 45020202bcf0SEmmanuel Grumbach } 45030202bcf0SEmmanuel Grumbach 4504f6780614SSara Sharon #define IWL_MAX_CSA_BLOCK_TX 1500 4505e705c121SKalle Valo static int iwl_mvm_pre_channel_switch(struct ieee80211_hw *hw, 4506e705c121SKalle Valo struct ieee80211_vif *vif, 4507e705c121SKalle Valo struct ieee80211_channel_switch *chsw) 4508e705c121SKalle Valo { 4509e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4510e705c121SKalle Valo struct ieee80211_vif *csa_vif; 4511e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4512e705c121SKalle Valo int ret; 4513e705c121SKalle Valo 4514e705c121SKalle Valo mutex_lock(&mvm->mutex); 4515e705c121SKalle Valo 4516e705c121SKalle Valo mvmvif->csa_failed = false; 4517e705c121SKalle Valo 4518e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "pre CSA to freq %d\n", 4519e705c121SKalle Valo chsw->chandef.center_freq1); 4520e705c121SKalle Valo 45217174beb6SJohannes Berg iwl_fw_dbg_trigger_simple_stop(&mvm->fwrt, 45227174beb6SJohannes Berg ieee80211_vif_to_wdev(vif), 45237174beb6SJohannes Berg FW_DBG_TRIGGER_CHANNEL_SWITCH); 4524e705c121SKalle Valo 4525e705c121SKalle Valo switch (vif->type) { 4526e705c121SKalle Valo case NL80211_IFTYPE_AP: 4527e705c121SKalle Valo csa_vif = 4528e705c121SKalle Valo rcu_dereference_protected(mvm->csa_vif, 4529e705c121SKalle Valo lockdep_is_held(&mvm->mutex)); 4530e705c121SKalle Valo if (WARN_ONCE(csa_vif && csa_vif->csa_active, 4531e705c121SKalle Valo "Another CSA is already in progress")) { 4532e705c121SKalle Valo ret = -EBUSY; 4533e705c121SKalle Valo goto out_unlock; 4534e705c121SKalle Valo } 4535e705c121SKalle Valo 4536d3a108a4SAndrei Otcheretianski /* we still didn't unblock tx. prevent new CS meanwhile */ 4537d3a108a4SAndrei Otcheretianski if (rcu_dereference_protected(mvm->csa_tx_blocked_vif, 4538d3a108a4SAndrei Otcheretianski lockdep_is_held(&mvm->mutex))) { 4539d3a108a4SAndrei Otcheretianski ret = -EBUSY; 4540d3a108a4SAndrei Otcheretianski goto out_unlock; 4541d3a108a4SAndrei Otcheretianski } 4542d3a108a4SAndrei Otcheretianski 4543e705c121SKalle Valo rcu_assign_pointer(mvm->csa_vif, vif); 4544e705c121SKalle Valo 4545e705c121SKalle Valo if (WARN_ONCE(mvmvif->csa_countdown, 4546e705c121SKalle Valo "Previous CSA countdown didn't complete")) { 4547e705c121SKalle Valo ret = -EBUSY; 4548e705c121SKalle Valo goto out_unlock; 4549e705c121SKalle Valo } 4550e705c121SKalle Valo 4551d3a108a4SAndrei Otcheretianski mvmvif->csa_target_freq = chsw->chandef.chan->center_freq; 4552d3a108a4SAndrei Otcheretianski 4553e705c121SKalle Valo break; 4554e705c121SKalle Valo case NL80211_IFTYPE_STATION: 4555f6780614SSara Sharon if (chsw->block_tx) { 4556f6780614SSara Sharon /* 4557f6780614SSara Sharon * In case of undetermined / long time with immediate 4558f6780614SSara Sharon * quiet monitor status to gracefully disconnect 4559f6780614SSara Sharon */ 4560f6780614SSara Sharon if (!chsw->count || 4561f6780614SSara Sharon chsw->count * vif->bss_conf.beacon_int > 4562f6780614SSara Sharon IWL_MAX_CSA_BLOCK_TX) 4563f6780614SSara Sharon schedule_delayed_work(&mvmvif->csa_work, 4564f6780614SSara Sharon msecs_to_jiffies(IWL_MAX_CSA_BLOCK_TX)); 4565f6780614SSara Sharon } 4566e705c121SKalle Valo 45670202bcf0SEmmanuel Grumbach if (!fw_has_capa(&mvm->fw->ucode_capa, 45680202bcf0SEmmanuel Grumbach IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 45690202bcf0SEmmanuel Grumbach ret = iwl_mvm_old_pre_chan_sw_sta(mvm, vif, chsw); 4570e705c121SKalle Valo if (ret) 4571e705c121SKalle Valo goto out_unlock; 45720202bcf0SEmmanuel Grumbach } else { 457374a10252SSara Sharon iwl_mvm_schedule_client_csa(mvm, vif, chsw); 45740202bcf0SEmmanuel Grumbach } 457581b4e44eSSara Sharon 457681b4e44eSSara Sharon mvmvif->csa_count = chsw->count; 457781b4e44eSSara Sharon mvmvif->csa_misbehave = false; 4578e705c121SKalle Valo break; 4579e705c121SKalle Valo default: 4580e705c121SKalle Valo break; 4581e705c121SKalle Valo } 4582e705c121SKalle Valo 4583e705c121SKalle Valo mvmvif->ps_disabled = true; 4584e705c121SKalle Valo 4585e705c121SKalle Valo ret = iwl_mvm_power_update_ps(mvm); 4586e705c121SKalle Valo if (ret) 4587e705c121SKalle Valo goto out_unlock; 4588e705c121SKalle Valo 4589e705c121SKalle Valo /* we won't be on this channel any longer */ 4590e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 4591e705c121SKalle Valo 4592e705c121SKalle Valo out_unlock: 4593e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4594e705c121SKalle Valo 4595e705c121SKalle Valo return ret; 4596e705c121SKalle Valo } 4597e705c121SKalle Valo 4598c37763d2SSara Sharon static void iwl_mvm_channel_switch_rx_beacon(struct ieee80211_hw *hw, 4599c37763d2SSara Sharon struct ieee80211_vif *vif, 4600c37763d2SSara Sharon struct ieee80211_channel_switch *chsw) 4601e705c121SKalle Valo { 4602e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4603c37763d2SSara Sharon struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4604c37763d2SSara Sharon struct iwl_chan_switch_te_cmd cmd = { 4605c37763d2SSara Sharon .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 4606c37763d2SSara Sharon mvmvif->color)), 4607c37763d2SSara Sharon .action = cpu_to_le32(FW_CTXT_ACTION_MODIFY), 4608c37763d2SSara Sharon .tsf = cpu_to_le32(chsw->timestamp), 4609c37763d2SSara Sharon .cs_count = chsw->count, 461077738865SSara Sharon .cs_mode = chsw->block_tx, 4611c37763d2SSara Sharon }; 4612e705c121SKalle Valo 4613c37763d2SSara Sharon if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CS_MODIFY)) 4614c37763d2SSara Sharon return; 4615e705c121SKalle Valo 461681b4e44eSSara Sharon if (chsw->count >= mvmvif->csa_count && chsw->block_tx) { 461781b4e44eSSara Sharon if (mvmvif->csa_misbehave) { 461881b4e44eSSara Sharon /* Second time, give up on this AP*/ 461981b4e44eSSara Sharon iwl_mvm_abort_channel_switch(hw, vif); 462081b4e44eSSara Sharon ieee80211_chswitch_done(vif, false); 462181b4e44eSSara Sharon mvmvif->csa_misbehave = false; 462281b4e44eSSara Sharon return; 4623e705c121SKalle Valo } 462481b4e44eSSara Sharon mvmvif->csa_misbehave = true; 4625e705c121SKalle Valo } 462681b4e44eSSara Sharon mvmvif->csa_count = chsw->count; 4627e705c121SKalle Valo 4628c37763d2SSara Sharon IWL_DEBUG_MAC80211(mvm, "Modify CSA on mac %d\n", mvmvif->id); 4629e705c121SKalle Valo 4630c37763d2SSara Sharon WARN_ON(iwl_mvm_send_cmd_pdu(mvm, 4631c37763d2SSara Sharon WIDE_ID(MAC_CONF_GROUP, 4632c37763d2SSara Sharon CHANNEL_SWITCH_TIME_EVENT_CMD), 4633c37763d2SSara Sharon CMD_ASYNC, sizeof(cmd), &cmd)); 4634e705c121SKalle Valo } 4635e705c121SKalle Valo 46366110d9e5SDavid Spinadel static void iwl_mvm_flush_no_vif(struct iwl_mvm *mvm, u32 queues, bool drop) 46376110d9e5SDavid Spinadel { 4638435d0827SSara Sharon int i; 4639435d0827SSara Sharon 464006195639SSara Sharon if (!iwl_mvm_has_new_tx_api(mvm)) { 4641309c4848SLuca Coelho if (drop) { 4642309c4848SLuca Coelho mutex_lock(&mvm->mutex); 46436110d9e5SDavid Spinadel iwl_mvm_flush_tx_path(mvm, 4644435d0827SSara Sharon iwl_mvm_flushable_queues(mvm) & queues, 0); 4645309c4848SLuca Coelho mutex_unlock(&mvm->mutex); 4646309c4848SLuca Coelho } else { 4647435d0827SSara Sharon iwl_trans_wait_tx_queues_empty(mvm->trans, queues); 4648309c4848SLuca Coelho } 4649435d0827SSara Sharon return; 4650435d0827SSara Sharon } 46516110d9e5SDavid Spinadel 46526110d9e5SDavid Spinadel mutex_lock(&mvm->mutex); 46536110d9e5SDavid Spinadel for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++) { 4654435d0827SSara Sharon struct ieee80211_sta *sta; 4655435d0827SSara Sharon 4656435d0827SSara Sharon sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], 46576110d9e5SDavid Spinadel lockdep_is_held(&mvm->mutex)); 46586110d9e5SDavid Spinadel if (IS_ERR_OR_NULL(sta)) 46596110d9e5SDavid Spinadel continue; 46606110d9e5SDavid Spinadel 466106195639SSara Sharon if (drop) 4662d66bd0c4SHaim Dreyfuss iwl_mvm_flush_sta_tids(mvm, i, 0xFFFF, 0); 466306195639SSara Sharon else 46646110d9e5SDavid Spinadel iwl_mvm_wait_sta_queues_empty(mvm, 46656110d9e5SDavid Spinadel iwl_mvm_sta_from_mac80211(sta)); 46666110d9e5SDavid Spinadel } 46676110d9e5SDavid Spinadel mutex_unlock(&mvm->mutex); 46686110d9e5SDavid Spinadel } 46696110d9e5SDavid Spinadel 4670e705c121SKalle Valo static void iwl_mvm_mac_flush(struct ieee80211_hw *hw, 4671e705c121SKalle Valo struct ieee80211_vif *vif, u32 queues, bool drop) 4672e705c121SKalle Valo { 4673e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4674e705c121SKalle Valo struct iwl_mvm_vif *mvmvif; 4675e705c121SKalle Valo struct iwl_mvm_sta *mvmsta; 4676e705c121SKalle Valo struct ieee80211_sta *sta; 4677e705c121SKalle Valo int i; 4678e705c121SKalle Valo u32 msk = 0; 4679e705c121SKalle Valo 46806110d9e5SDavid Spinadel if (!vif) { 46816110d9e5SDavid Spinadel iwl_mvm_flush_no_vif(mvm, queues, drop); 46826110d9e5SDavid Spinadel return; 46836110d9e5SDavid Spinadel } 46846110d9e5SDavid Spinadel 46856110d9e5SDavid Spinadel if (vif->type != NL80211_IFTYPE_STATION) 4686e705c121SKalle Valo return; 4687e705c121SKalle Valo 468824afba76SLiad Kaufman /* Make sure we're done with the deferred traffic before flushing */ 468924afba76SLiad Kaufman flush_work(&mvm->add_stream_wk); 469024afba76SLiad Kaufman 4691e705c121SKalle Valo mutex_lock(&mvm->mutex); 4692e705c121SKalle Valo mvmvif = iwl_mvm_vif_from_mac80211(vif); 4693e705c121SKalle Valo 4694e705c121SKalle Valo /* flush the AP-station and all TDLS peers */ 46950ae98812SSara Sharon for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++) { 4696e705c121SKalle Valo sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], 4697e705c121SKalle Valo lockdep_is_held(&mvm->mutex)); 4698e705c121SKalle Valo if (IS_ERR_OR_NULL(sta)) 4699e705c121SKalle Valo continue; 4700e705c121SKalle Valo 4701e705c121SKalle Valo mvmsta = iwl_mvm_sta_from_mac80211(sta); 4702e705c121SKalle Valo if (mvmsta->vif != vif) 4703e705c121SKalle Valo continue; 4704e705c121SKalle Valo 4705e705c121SKalle Valo /* make sure only TDLS peers or the AP are flushed */ 4706e705c121SKalle Valo WARN_ON(i != mvmvif->ap_sta_id && !sta->tdls); 4707e705c121SKalle Valo 4708d49394a1SSara Sharon if (drop) { 4709d49394a1SSara Sharon if (iwl_mvm_flush_sta(mvm, mvmsta, false, 0)) 4710d49394a1SSara Sharon IWL_ERR(mvm, "flush request fail\n"); 4711d49394a1SSara Sharon } else { 4712e705c121SKalle Valo msk |= mvmsta->tfd_queue_msk; 4713d6d517b7SSara Sharon if (iwl_mvm_has_new_tx_api(mvm)) 4714d6d517b7SSara Sharon iwl_mvm_wait_sta_queues_empty(mvm, mvmsta); 4715e705c121SKalle Valo } 4716d49394a1SSara Sharon } 4717e705c121SKalle Valo 4718e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4719e705c121SKalle Valo 4720e705c121SKalle Valo /* this can take a while, and we may need/want other operations 4721e705c121SKalle Valo * to succeed while doing this, so do it without the mutex held 4722e705c121SKalle Valo */ 4723d6d517b7SSara Sharon if (!drop && !iwl_mvm_has_new_tx_api(mvm)) 4724a1a57877SSara Sharon iwl_trans_wait_tx_queues_empty(mvm->trans, msk); 4725e705c121SKalle Valo } 4726e705c121SKalle Valo 4727e705c121SKalle Valo static int iwl_mvm_mac_get_survey(struct ieee80211_hw *hw, int idx, 4728e705c121SKalle Valo struct survey_info *survey) 4729e705c121SKalle Valo { 4730e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4731e705c121SKalle Valo int ret; 4732e705c121SKalle Valo 4733e705c121SKalle Valo memset(survey, 0, sizeof(*survey)); 4734e705c121SKalle Valo 4735e705c121SKalle Valo /* only support global statistics right now */ 4736e705c121SKalle Valo if (idx != 0) 4737e705c121SKalle Valo return -ENOENT; 4738e705c121SKalle Valo 4739280a3efaSJohannes Berg if (!fw_has_capa(&mvm->fw->ucode_capa, 4740e705c121SKalle Valo IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS)) 4741e705c121SKalle Valo return -ENOENT; 4742e705c121SKalle Valo 4743e705c121SKalle Valo mutex_lock(&mvm->mutex); 4744e705c121SKalle Valo 4745aab6930dSJohannes Berg if (iwl_mvm_firmware_running(mvm)) { 4746e705c121SKalle Valo ret = iwl_mvm_request_statistics(mvm, false); 4747e705c121SKalle Valo if (ret) 4748e705c121SKalle Valo goto out; 4749e705c121SKalle Valo } 4750e705c121SKalle Valo 4751e705c121SKalle Valo survey->filled = SURVEY_INFO_TIME | 4752e705c121SKalle Valo SURVEY_INFO_TIME_RX | 4753e705c121SKalle Valo SURVEY_INFO_TIME_TX | 4754e705c121SKalle Valo SURVEY_INFO_TIME_SCAN; 4755e705c121SKalle Valo survey->time = mvm->accu_radio_stats.on_time_rf + 4756e705c121SKalle Valo mvm->radio_stats.on_time_rf; 4757e705c121SKalle Valo do_div(survey->time, USEC_PER_MSEC); 4758e705c121SKalle Valo 4759e705c121SKalle Valo survey->time_rx = mvm->accu_radio_stats.rx_time + 4760e705c121SKalle Valo mvm->radio_stats.rx_time; 4761e705c121SKalle Valo do_div(survey->time_rx, USEC_PER_MSEC); 4762e705c121SKalle Valo 4763e705c121SKalle Valo survey->time_tx = mvm->accu_radio_stats.tx_time + 4764e705c121SKalle Valo mvm->radio_stats.tx_time; 4765e705c121SKalle Valo do_div(survey->time_tx, USEC_PER_MSEC); 4766e705c121SKalle Valo 4767e705c121SKalle Valo survey->time_scan = mvm->accu_radio_stats.on_time_scan + 4768e705c121SKalle Valo mvm->radio_stats.on_time_scan; 4769e705c121SKalle Valo do_div(survey->time_scan, USEC_PER_MSEC); 4770e705c121SKalle Valo 4771e705c121SKalle Valo ret = 0; 4772e705c121SKalle Valo out: 4773e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4774e705c121SKalle Valo return ret; 4775e705c121SKalle Valo } 4776e705c121SKalle Valo 4777ed780545SJohannes Berg static void iwl_mvm_set_sta_rate(u32 rate_n_flags, struct rate_info *rinfo) 4778ed780545SJohannes Berg { 4779ed780545SJohannes Berg switch (rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK) { 4780ed780545SJohannes Berg case RATE_MCS_CHAN_WIDTH_20: 4781ed780545SJohannes Berg rinfo->bw = RATE_INFO_BW_20; 4782ed780545SJohannes Berg break; 4783ed780545SJohannes Berg case RATE_MCS_CHAN_WIDTH_40: 4784ed780545SJohannes Berg rinfo->bw = RATE_INFO_BW_40; 4785ed780545SJohannes Berg break; 4786ed780545SJohannes Berg case RATE_MCS_CHAN_WIDTH_80: 4787ed780545SJohannes Berg rinfo->bw = RATE_INFO_BW_80; 4788ed780545SJohannes Berg break; 4789ed780545SJohannes Berg case RATE_MCS_CHAN_WIDTH_160: 4790ed780545SJohannes Berg rinfo->bw = RATE_INFO_BW_160; 4791ed780545SJohannes Berg break; 4792ed780545SJohannes Berg } 4793ed780545SJohannes Berg 4794ed780545SJohannes Berg if (rate_n_flags & RATE_MCS_HT_MSK) { 4795ed780545SJohannes Berg rinfo->flags |= RATE_INFO_FLAGS_MCS; 4796ed780545SJohannes Berg rinfo->mcs = u32_get_bits(rate_n_flags, RATE_HT_MCS_INDEX_MSK); 4797ed780545SJohannes Berg rinfo->nss = u32_get_bits(rate_n_flags, 4798ed780545SJohannes Berg RATE_HT_MCS_NSS_MSK) + 1; 4799ed780545SJohannes Berg if (rate_n_flags & RATE_MCS_SGI_MSK) 4800ed780545SJohannes Berg rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; 4801ed780545SJohannes Berg } else if (rate_n_flags & RATE_MCS_VHT_MSK) { 4802ed780545SJohannes Berg rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; 4803ed780545SJohannes Berg rinfo->mcs = u32_get_bits(rate_n_flags, 4804ed780545SJohannes Berg RATE_VHT_MCS_RATE_CODE_MSK); 4805ed780545SJohannes Berg rinfo->nss = u32_get_bits(rate_n_flags, 4806ed780545SJohannes Berg RATE_VHT_MCS_NSS_MSK) + 1; 4807ed780545SJohannes Berg if (rate_n_flags & RATE_MCS_SGI_MSK) 4808ed780545SJohannes Berg rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; 4809ed780545SJohannes Berg } else if (rate_n_flags & RATE_MCS_HE_MSK) { 4810ed780545SJohannes Berg u32 gi_ltf = u32_get_bits(rate_n_flags, 4811ed780545SJohannes Berg RATE_MCS_HE_GI_LTF_MSK); 4812ed780545SJohannes Berg 4813ed780545SJohannes Berg rinfo->flags |= RATE_INFO_FLAGS_HE_MCS; 4814ed780545SJohannes Berg rinfo->mcs = u32_get_bits(rate_n_flags, 4815ed780545SJohannes Berg RATE_VHT_MCS_RATE_CODE_MSK); 4816ed780545SJohannes Berg rinfo->nss = u32_get_bits(rate_n_flags, 4817ed780545SJohannes Berg RATE_VHT_MCS_NSS_MSK) + 1; 4818ed780545SJohannes Berg 4819ed780545SJohannes Berg if (rate_n_flags & RATE_MCS_HE_106T_MSK) { 4820ed780545SJohannes Berg rinfo->bw = RATE_INFO_BW_HE_RU; 4821ed780545SJohannes Berg rinfo->he_ru_alloc = NL80211_RATE_INFO_HE_RU_ALLOC_106; 4822ed780545SJohannes Berg } 4823ed780545SJohannes Berg 4824ed780545SJohannes Berg switch (rate_n_flags & RATE_MCS_HE_TYPE_MSK) { 4825ed780545SJohannes Berg case RATE_MCS_HE_TYPE_SU: 4826ed780545SJohannes Berg case RATE_MCS_HE_TYPE_EXT_SU: 4827ed780545SJohannes Berg if (gi_ltf == 0 || gi_ltf == 1) 4828ed780545SJohannes Berg rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 4829ed780545SJohannes Berg else if (gi_ltf == 2) 4830ed780545SJohannes Berg rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 4831ed780545SJohannes Berg else if (rate_n_flags & RATE_MCS_SGI_MSK) 4832ed780545SJohannes Berg rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 4833ed780545SJohannes Berg else 4834ed780545SJohannes Berg rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 4835ed780545SJohannes Berg break; 4836ed780545SJohannes Berg case RATE_MCS_HE_TYPE_MU: 4837ed780545SJohannes Berg if (gi_ltf == 0 || gi_ltf == 1) 4838ed780545SJohannes Berg rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 4839ed780545SJohannes Berg else if (gi_ltf == 2) 4840ed780545SJohannes Berg rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 4841ed780545SJohannes Berg else 4842ed780545SJohannes Berg rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 4843ed780545SJohannes Berg break; 4844ed780545SJohannes Berg case RATE_MCS_HE_TYPE_TRIG: 4845ed780545SJohannes Berg if (gi_ltf == 0 || gi_ltf == 1) 4846ed780545SJohannes Berg rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 4847ed780545SJohannes Berg else 4848ed780545SJohannes Berg rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 4849ed780545SJohannes Berg break; 4850ed780545SJohannes Berg } 4851ed780545SJohannes Berg 4852ed780545SJohannes Berg if (rate_n_flags & RATE_HE_DUAL_CARRIER_MODE_MSK) 4853ed780545SJohannes Berg rinfo->he_dcm = 1; 4854ed780545SJohannes Berg } else { 4855ed780545SJohannes Berg switch (u32_get_bits(rate_n_flags, RATE_LEGACY_RATE_MSK)) { 4856ed780545SJohannes Berg case IWL_RATE_1M_PLCP: 4857ed780545SJohannes Berg rinfo->legacy = 10; 4858ed780545SJohannes Berg break; 4859ed780545SJohannes Berg case IWL_RATE_2M_PLCP: 4860ed780545SJohannes Berg rinfo->legacy = 20; 4861ed780545SJohannes Berg break; 4862ed780545SJohannes Berg case IWL_RATE_5M_PLCP: 4863ed780545SJohannes Berg rinfo->legacy = 55; 4864ed780545SJohannes Berg break; 4865ed780545SJohannes Berg case IWL_RATE_11M_PLCP: 4866ed780545SJohannes Berg rinfo->legacy = 110; 4867ed780545SJohannes Berg break; 4868ed780545SJohannes Berg case IWL_RATE_6M_PLCP: 4869ed780545SJohannes Berg rinfo->legacy = 60; 4870ed780545SJohannes Berg break; 4871ed780545SJohannes Berg case IWL_RATE_9M_PLCP: 4872ed780545SJohannes Berg rinfo->legacy = 90; 4873ed780545SJohannes Berg break; 4874ed780545SJohannes Berg case IWL_RATE_12M_PLCP: 4875ed780545SJohannes Berg rinfo->legacy = 120; 4876ed780545SJohannes Berg break; 4877ed780545SJohannes Berg case IWL_RATE_18M_PLCP: 4878ed780545SJohannes Berg rinfo->legacy = 180; 4879ed780545SJohannes Berg break; 4880ed780545SJohannes Berg case IWL_RATE_24M_PLCP: 4881ed780545SJohannes Berg rinfo->legacy = 240; 4882ed780545SJohannes Berg break; 4883ed780545SJohannes Berg case IWL_RATE_36M_PLCP: 4884ed780545SJohannes Berg rinfo->legacy = 360; 4885ed780545SJohannes Berg break; 4886ed780545SJohannes Berg case IWL_RATE_48M_PLCP: 4887ed780545SJohannes Berg rinfo->legacy = 480; 4888ed780545SJohannes Berg break; 4889ed780545SJohannes Berg case IWL_RATE_54M_PLCP: 4890ed780545SJohannes Berg rinfo->legacy = 540; 4891ed780545SJohannes Berg break; 4892ed780545SJohannes Berg } 4893ed780545SJohannes Berg } 4894ed780545SJohannes Berg } 4895ed780545SJohannes Berg 4896e705c121SKalle Valo static void iwl_mvm_mac_sta_statistics(struct ieee80211_hw *hw, 4897e705c121SKalle Valo struct ieee80211_vif *vif, 4898e705c121SKalle Valo struct ieee80211_sta *sta, 4899e705c121SKalle Valo struct station_info *sinfo) 4900e705c121SKalle Valo { 4901e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4902e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4903e705c121SKalle Valo struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 4904e705c121SKalle Valo 4905988b5968SSara Sharon if (mvmsta->avg_energy) { 4906988b5968SSara Sharon sinfo->signal_avg = mvmsta->avg_energy; 490722d0d2faSOmer Efrat sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG); 4908988b5968SSara Sharon } 4909988b5968SSara Sharon 4910ed780545SJohannes Berg if (iwl_mvm_has_tlc_offload(mvm)) { 4911ed780545SJohannes Berg struct iwl_lq_sta_rs_fw *lq_sta = &mvmsta->lq_sta.rs_fw; 4912ed780545SJohannes Berg 4913ed780545SJohannes Berg iwl_mvm_set_sta_rate(lq_sta->last_rate_n_flags, &sinfo->txrate); 4914ed780545SJohannes Berg sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 4915ed780545SJohannes Berg } 4916ed780545SJohannes Berg 4917e705c121SKalle Valo /* if beacon filtering isn't on mac80211 does it anyway */ 4918e705c121SKalle Valo if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER)) 4919e705c121SKalle Valo return; 4920e705c121SKalle Valo 4921e705c121SKalle Valo if (!vif->bss_conf.assoc) 4922e705c121SKalle Valo return; 4923e705c121SKalle Valo 4924e705c121SKalle Valo mutex_lock(&mvm->mutex); 4925e705c121SKalle Valo 4926e705c121SKalle Valo if (mvmvif->ap_sta_id != mvmsta->sta_id) 4927e705c121SKalle Valo goto unlock; 4928e705c121SKalle Valo 4929e705c121SKalle Valo if (iwl_mvm_request_statistics(mvm, false)) 4930e705c121SKalle Valo goto unlock; 4931e705c121SKalle Valo 4932e705c121SKalle Valo sinfo->rx_beacon = mvmvif->beacon_stats.num_beacons + 4933e705c121SKalle Valo mvmvif->beacon_stats.accu_num_beacons; 493422d0d2faSOmer Efrat sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_RX); 4935e705c121SKalle Valo if (mvmvif->beacon_stats.avg_signal) { 4936e705c121SKalle Valo /* firmware only reports a value after RXing a few beacons */ 4937e705c121SKalle Valo sinfo->rx_beacon_signal_avg = mvmvif->beacon_stats.avg_signal; 493822d0d2faSOmer Efrat sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG); 4939e705c121SKalle Valo } 4940e705c121SKalle Valo unlock: 4941e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4942e705c121SKalle Valo } 4943e705c121SKalle Valo 4944e705c121SKalle Valo static void iwl_mvm_event_mlme_callback(struct iwl_mvm *mvm, 4945e705c121SKalle Valo struct ieee80211_vif *vif, 4946e705c121SKalle Valo const struct ieee80211_event *event) 4947e705c121SKalle Valo { 49484c324a51SLuca Coelho #define CHECK_MLME_TRIGGER(_cnt, _fmt...) \ 4949e705c121SKalle Valo do { \ 49504c324a51SLuca Coelho if ((trig_mlme->_cnt) && --(trig_mlme->_cnt)) \ 4951e705c121SKalle Valo break; \ 49527174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&(mvm)->fwrt, trig, _fmt); \ 4953e705c121SKalle Valo } while (0) 4954e705c121SKalle Valo 4955e705c121SKalle Valo struct iwl_fw_dbg_trigger_tlv *trig; 4956e705c121SKalle Valo struct iwl_fw_dbg_trigger_mlme *trig_mlme; 4957e705c121SKalle Valo 49586c042d75SSara Sharon trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 49596c042d75SSara Sharon FW_DBG_TRIGGER_MLME); 49606c042d75SSara Sharon if (!trig) 4961e705c121SKalle Valo return; 4962e705c121SKalle Valo 4963e705c121SKalle Valo trig_mlme = (void *)trig->data; 4964e705c121SKalle Valo 4965e705c121SKalle Valo if (event->u.mlme.data == ASSOC_EVENT) { 4966e705c121SKalle Valo if (event->u.mlme.status == MLME_DENIED) 49674c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_assoc_denied, 4968e705c121SKalle Valo "DENIED ASSOC: reason %d", 4969e705c121SKalle Valo event->u.mlme.reason); 4970e705c121SKalle Valo else if (event->u.mlme.status == MLME_TIMEOUT) 49714c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_assoc_timeout, 4972e705c121SKalle Valo "ASSOC TIMEOUT"); 4973e705c121SKalle Valo } else if (event->u.mlme.data == AUTH_EVENT) { 4974e705c121SKalle Valo if (event->u.mlme.status == MLME_DENIED) 49754c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_auth_denied, 4976e705c121SKalle Valo "DENIED AUTH: reason %d", 4977e705c121SKalle Valo event->u.mlme.reason); 4978e705c121SKalle Valo else if (event->u.mlme.status == MLME_TIMEOUT) 49794c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_auth_timeout, 4980e705c121SKalle Valo "AUTH TIMEOUT"); 4981e705c121SKalle Valo } else if (event->u.mlme.data == DEAUTH_RX_EVENT) { 49824c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_rx_deauth, 4983e705c121SKalle Valo "DEAUTH RX %d", event->u.mlme.reason); 4984e705c121SKalle Valo } else if (event->u.mlme.data == DEAUTH_TX_EVENT) { 49854c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_tx_deauth, 4986e705c121SKalle Valo "DEAUTH TX %d", event->u.mlme.reason); 4987e705c121SKalle Valo } 4988e705c121SKalle Valo #undef CHECK_MLME_TRIGGER 4989e705c121SKalle Valo } 4990e705c121SKalle Valo 4991e705c121SKalle Valo static void iwl_mvm_event_bar_rx_callback(struct iwl_mvm *mvm, 4992e705c121SKalle Valo struct ieee80211_vif *vif, 4993e705c121SKalle Valo const struct ieee80211_event *event) 4994e705c121SKalle Valo { 4995e705c121SKalle Valo struct iwl_fw_dbg_trigger_tlv *trig; 4996e705c121SKalle Valo struct iwl_fw_dbg_trigger_ba *ba_trig; 4997e705c121SKalle Valo 49986c042d75SSara Sharon trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 49996c042d75SSara Sharon FW_DBG_TRIGGER_BA); 50006c042d75SSara Sharon if (!trig) 5001e705c121SKalle Valo return; 5002e705c121SKalle Valo 5003e705c121SKalle Valo ba_trig = (void *)trig->data; 5004e705c121SKalle Valo 5005e705c121SKalle Valo if (!(le16_to_cpu(ba_trig->rx_bar) & BIT(event->u.ba.tid))) 5006e705c121SKalle Valo return; 5007e705c121SKalle Valo 50087174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 5009e705c121SKalle Valo "BAR received from %pM, tid %d, ssn %d", 5010e705c121SKalle Valo event->u.ba.sta->addr, event->u.ba.tid, 5011e705c121SKalle Valo event->u.ba.ssn); 5012e705c121SKalle Valo } 5013e705c121SKalle Valo 5014e705c121SKalle Valo static void iwl_mvm_mac_event_callback(struct ieee80211_hw *hw, 5015e705c121SKalle Valo struct ieee80211_vif *vif, 5016e705c121SKalle Valo const struct ieee80211_event *event) 5017e705c121SKalle Valo { 5018e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5019e705c121SKalle Valo 5020e705c121SKalle Valo switch (event->type) { 5021e705c121SKalle Valo case MLME_EVENT: 5022e705c121SKalle Valo iwl_mvm_event_mlme_callback(mvm, vif, event); 5023e705c121SKalle Valo break; 5024e705c121SKalle Valo case BAR_RX_EVENT: 5025e705c121SKalle Valo iwl_mvm_event_bar_rx_callback(mvm, vif, event); 5026e705c121SKalle Valo break; 5027e705c121SKalle Valo case BA_FRAME_TIMEOUT: 5028528a542aSEmmanuel Grumbach iwl_mvm_event_frame_timeout_callback(mvm, vif, event->u.ba.sta, 5029528a542aSEmmanuel Grumbach event->u.ba.tid); 5030e705c121SKalle Valo break; 5031e705c121SKalle Valo default: 5032e705c121SKalle Valo break; 5033e705c121SKalle Valo } 5034e705c121SKalle Valo } 5035e705c121SKalle Valo 5036d0ff5d22SSara Sharon void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm, 5037d0ff5d22SSara Sharon struct iwl_mvm_internal_rxq_notif *notif, 5038d0ff5d22SSara Sharon u32 size) 50390636b938SSara Sharon { 50400636b938SSara Sharon u32 qmask = BIT(mvm->trans->num_rx_queues) - 1; 50410636b938SSara Sharon int ret; 50420636b938SSara Sharon 50430636b938SSara Sharon 5044cb8550e1SSara Sharon if (!iwl_mvm_has_new_rx_api(mvm)) 50450636b938SSara Sharon return; 50460636b938SSara Sharon 5047a2113cc4SNaftali Goldstein if (notif->sync) { 5048d0ff5d22SSara Sharon notif->cookie = mvm->queue_sync_cookie; 5049d0ff5d22SSara Sharon atomic_set(&mvm->queue_sync_counter, 5050d0ff5d22SSara Sharon mvm->trans->num_rx_queues); 5051a2113cc4SNaftali Goldstein } 5052d0ff5d22SSara Sharon 50533c514bf8SEmmanuel Grumbach ret = iwl_mvm_notify_rx_queue(mvm, qmask, (u8 *)notif, 50543c514bf8SEmmanuel Grumbach size, !notif->sync); 50550636b938SSara Sharon if (ret) { 50560636b938SSara Sharon IWL_ERR(mvm, "Failed to trigger RX queues sync (%d)\n", ret); 50570636b938SSara Sharon goto out; 50580636b938SSara Sharon } 5059d0ff5d22SSara Sharon 50606ad04359SJohannes Berg if (notif->sync) { 50613c514bf8SEmmanuel Grumbach lockdep_assert_held(&mvm->mutex); 50623a732c65SSara Sharon ret = wait_event_timeout(mvm->rx_sync_waitq, 50636ad04359SJohannes Berg atomic_read(&mvm->queue_sync_counter) == 0 || 50646ad04359SJohannes Berg iwl_mvm_is_radio_killed(mvm), 50650636b938SSara Sharon HZ); 50666ad04359SJohannes Berg WARN_ON_ONCE(!ret && !iwl_mvm_is_radio_killed(mvm)); 50676ad04359SJohannes Berg } 50680636b938SSara Sharon 50690636b938SSara Sharon out: 50700636b938SSara Sharon atomic_set(&mvm->queue_sync_counter, 0); 5071a2113cc4SNaftali Goldstein if (notif->sync) 50720636b938SSara Sharon mvm->queue_sync_cookie++; 50730636b938SSara Sharon } 50740636b938SSara Sharon 50750636b938SSara Sharon static void iwl_mvm_sync_rx_queues(struct ieee80211_hw *hw) 50760636b938SSara Sharon { 50770636b938SSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5078d0ff5d22SSara Sharon struct iwl_mvm_internal_rxq_notif data = { 5079d0ff5d22SSara Sharon .type = IWL_MVM_RXQ_EMPTY, 5080d0ff5d22SSara Sharon .sync = 1, 5081d0ff5d22SSara Sharon }; 50820636b938SSara Sharon 50830636b938SSara Sharon mutex_lock(&mvm->mutex); 5084d0ff5d22SSara Sharon iwl_mvm_sync_rx_queues_internal(mvm, &data, sizeof(data)); 50850636b938SSara Sharon mutex_unlock(&mvm->mutex); 50860636b938SSara Sharon } 50870636b938SSara Sharon 5088b73f9a4aSJohannes Berg static int 5089b73f9a4aSJohannes Berg iwl_mvm_mac_get_ftm_responder_stats(struct ieee80211_hw *hw, 5090b73f9a4aSJohannes Berg struct ieee80211_vif *vif, 5091b73f9a4aSJohannes Berg struct cfg80211_ftm_responder_stats *stats) 5092b73f9a4aSJohannes Berg { 5093b73f9a4aSJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5094b73f9a4aSJohannes Berg struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5095b73f9a4aSJohannes Berg 5096b73f9a4aSJohannes Berg if (vif->p2p || vif->type != NL80211_IFTYPE_AP || 5097b73f9a4aSJohannes Berg !mvmvif->ap_ibss_active || !vif->bss_conf.ftm_responder) 5098b73f9a4aSJohannes Berg return -EINVAL; 5099b73f9a4aSJohannes Berg 5100b73f9a4aSJohannes Berg mutex_lock(&mvm->mutex); 5101b73f9a4aSJohannes Berg *stats = mvm->ftm_resp_stats; 5102b73f9a4aSJohannes Berg mutex_unlock(&mvm->mutex); 5103b73f9a4aSJohannes Berg 5104b73f9a4aSJohannes Berg stats->filled = BIT(NL80211_FTM_STATS_SUCCESS_NUM) | 5105b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_PARTIAL_NUM) | 5106b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_FAILED_NUM) | 5107b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_ASAP_NUM) | 5108b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_NON_ASAP_NUM) | 5109b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_TOTAL_DURATION_MSEC) | 5110b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_UNKNOWN_TRIGGERS_NUM) | 5111b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_RESCHEDULE_REQUESTS_NUM) | 5112b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_OUT_OF_WINDOW_TRIGGERS_NUM); 5113b73f9a4aSJohannes Berg 5114b73f9a4aSJohannes Berg return 0; 5115b73f9a4aSJohannes Berg } 5116b73f9a4aSJohannes Berg 5117fc36ffdaSJohannes Berg static int iwl_mvm_start_pmsr(struct ieee80211_hw *hw, 5118fc36ffdaSJohannes Berg struct ieee80211_vif *vif, 5119fc36ffdaSJohannes Berg struct cfg80211_pmsr_request *request) 5120fc36ffdaSJohannes Berg { 5121fc36ffdaSJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5122fc36ffdaSJohannes Berg int ret; 5123fc36ffdaSJohannes Berg 5124fc36ffdaSJohannes Berg mutex_lock(&mvm->mutex); 5125fc36ffdaSJohannes Berg ret = iwl_mvm_ftm_start(mvm, vif, request); 5126fc36ffdaSJohannes Berg mutex_unlock(&mvm->mutex); 5127fc36ffdaSJohannes Berg 5128fc36ffdaSJohannes Berg return ret; 5129fc36ffdaSJohannes Berg } 5130fc36ffdaSJohannes Berg 5131fc36ffdaSJohannes Berg static void iwl_mvm_abort_pmsr(struct ieee80211_hw *hw, 5132fc36ffdaSJohannes Berg struct ieee80211_vif *vif, 5133fc36ffdaSJohannes Berg struct cfg80211_pmsr_request *request) 5134fc36ffdaSJohannes Berg { 5135fc36ffdaSJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5136fc36ffdaSJohannes Berg 5137fc36ffdaSJohannes Berg mutex_lock(&mvm->mutex); 5138fc36ffdaSJohannes Berg iwl_mvm_ftm_abort(mvm, request); 5139fc36ffdaSJohannes Berg mutex_unlock(&mvm->mutex); 5140fc36ffdaSJohannes Berg } 5141fc36ffdaSJohannes Berg 5142438af969SSara Sharon static bool iwl_mvm_can_hw_csum(struct sk_buff *skb) 5143438af969SSara Sharon { 5144438af969SSara Sharon u8 protocol = ip_hdr(skb)->protocol; 5145438af969SSara Sharon 5146438af969SSara Sharon if (!IS_ENABLED(CONFIG_INET)) 5147438af969SSara Sharon return false; 5148438af969SSara Sharon 5149438af969SSara Sharon return protocol == IPPROTO_TCP || protocol == IPPROTO_UDP; 5150438af969SSara Sharon } 5151438af969SSara Sharon 5152438af969SSara Sharon static bool iwl_mvm_mac_can_aggregate(struct ieee80211_hw *hw, 5153438af969SSara Sharon struct sk_buff *head, 5154438af969SSara Sharon struct sk_buff *skb) 5155438af969SSara Sharon { 5156438af969SSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5157438af969SSara Sharon 5158438af969SSara Sharon /* For now don't aggregate IPv6 in AMSDU */ 5159438af969SSara Sharon if (skb->protocol != htons(ETH_P_IP)) 5160438af969SSara Sharon return false; 5161438af969SSara Sharon 5162438af969SSara Sharon if (!iwl_mvm_is_csum_supported(mvm)) 5163438af969SSara Sharon return true; 5164438af969SSara Sharon 5165438af969SSara Sharon return iwl_mvm_can_hw_csum(skb) == iwl_mvm_can_hw_csum(head); 5166438af969SSara Sharon } 5167438af969SSara Sharon 5168e705c121SKalle Valo const struct ieee80211_ops iwl_mvm_hw_ops = { 5169e705c121SKalle Valo .tx = iwl_mvm_mac_tx, 5170cfbc6c4cSSara Sharon .wake_tx_queue = iwl_mvm_mac_wake_tx_queue, 5171e705c121SKalle Valo .ampdu_action = iwl_mvm_mac_ampdu_action, 5172e8503aecSBen Greear .get_antenna = iwl_mvm_op_get_antenna, 5173e705c121SKalle Valo .start = iwl_mvm_mac_start, 5174e705c121SKalle Valo .reconfig_complete = iwl_mvm_mac_reconfig_complete, 5175e705c121SKalle Valo .stop = iwl_mvm_mac_stop, 5176e705c121SKalle Valo .add_interface = iwl_mvm_mac_add_interface, 5177e705c121SKalle Valo .remove_interface = iwl_mvm_mac_remove_interface, 5178e705c121SKalle Valo .config = iwl_mvm_mac_config, 5179e705c121SKalle Valo .prepare_multicast = iwl_mvm_prepare_multicast, 5180e705c121SKalle Valo .configure_filter = iwl_mvm_configure_filter, 5181e705c121SKalle Valo .config_iface_filter = iwl_mvm_config_iface_filter, 5182e705c121SKalle Valo .bss_info_changed = iwl_mvm_bss_info_changed, 5183e705c121SKalle Valo .hw_scan = iwl_mvm_mac_hw_scan, 5184e705c121SKalle Valo .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan, 5185e705c121SKalle Valo .sta_pre_rcu_remove = iwl_mvm_sta_pre_rcu_remove, 5186e705c121SKalle Valo .sta_state = iwl_mvm_mac_sta_state, 5187e705c121SKalle Valo .sta_notify = iwl_mvm_mac_sta_notify, 5188e705c121SKalle Valo .allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames, 5189e705c121SKalle Valo .release_buffered_frames = iwl_mvm_mac_release_buffered_frames, 5190e705c121SKalle Valo .set_rts_threshold = iwl_mvm_mac_set_rts_threshold, 5191e705c121SKalle Valo .sta_rc_update = iwl_mvm_sta_rc_update, 5192e705c121SKalle Valo .conf_tx = iwl_mvm_mac_conf_tx, 5193e705c121SKalle Valo .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx, 5194e705c121SKalle Valo .mgd_protect_tdls_discover = iwl_mvm_mac_mgd_protect_tdls_discover, 5195e705c121SKalle Valo .flush = iwl_mvm_mac_flush, 5196e705c121SKalle Valo .sched_scan_start = iwl_mvm_mac_sched_scan_start, 5197e705c121SKalle Valo .sched_scan_stop = iwl_mvm_mac_sched_scan_stop, 5198e705c121SKalle Valo .set_key = iwl_mvm_mac_set_key, 5199e705c121SKalle Valo .update_tkip_key = iwl_mvm_mac_update_tkip_key, 5200e705c121SKalle Valo .remain_on_channel = iwl_mvm_roc, 5201e705c121SKalle Valo .cancel_remain_on_channel = iwl_mvm_cancel_roc, 5202e705c121SKalle Valo .add_chanctx = iwl_mvm_add_chanctx, 5203e705c121SKalle Valo .remove_chanctx = iwl_mvm_remove_chanctx, 5204e705c121SKalle Valo .change_chanctx = iwl_mvm_change_chanctx, 5205e705c121SKalle Valo .assign_vif_chanctx = iwl_mvm_assign_vif_chanctx, 5206e705c121SKalle Valo .unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx, 5207e705c121SKalle Valo .switch_vif_chanctx = iwl_mvm_switch_vif_chanctx, 5208e705c121SKalle Valo 5209e705c121SKalle Valo .start_ap = iwl_mvm_start_ap_ibss, 5210e705c121SKalle Valo .stop_ap = iwl_mvm_stop_ap_ibss, 5211e705c121SKalle Valo .join_ibss = iwl_mvm_start_ap_ibss, 5212e705c121SKalle Valo .leave_ibss = iwl_mvm_stop_ap_ibss, 5213e705c121SKalle Valo 52142f0282dbSJohannes Berg .tx_last_beacon = iwl_mvm_tx_last_beacon, 52152f0282dbSJohannes Berg 5216e705c121SKalle Valo .set_tim = iwl_mvm_set_tim, 5217e705c121SKalle Valo 5218e705c121SKalle Valo .channel_switch = iwl_mvm_channel_switch, 5219e705c121SKalle Valo .pre_channel_switch = iwl_mvm_pre_channel_switch, 5220e705c121SKalle Valo .post_channel_switch = iwl_mvm_post_channel_switch, 522179221126SSara Sharon .abort_channel_switch = iwl_mvm_abort_channel_switch, 5222c37763d2SSara Sharon .channel_switch_rx_beacon = iwl_mvm_channel_switch_rx_beacon, 5223e705c121SKalle Valo 5224e705c121SKalle Valo .tdls_channel_switch = iwl_mvm_tdls_channel_switch, 5225e705c121SKalle Valo .tdls_cancel_channel_switch = iwl_mvm_tdls_cancel_channel_switch, 5226e705c121SKalle Valo .tdls_recv_channel_switch = iwl_mvm_tdls_recv_channel_switch, 5227e705c121SKalle Valo 5228e705c121SKalle Valo .event_callback = iwl_mvm_mac_event_callback, 5229e705c121SKalle Valo 52300636b938SSara Sharon .sync_rx_queues = iwl_mvm_sync_rx_queues, 52310636b938SSara Sharon 5232e705c121SKalle Valo CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd) 5233e705c121SKalle Valo 5234e705c121SKalle Valo #ifdef CONFIG_PM_SLEEP 5235e705c121SKalle Valo /* look at d3.c */ 5236e705c121SKalle Valo .suspend = iwl_mvm_suspend, 5237e705c121SKalle Valo .resume = iwl_mvm_resume, 5238e705c121SKalle Valo .set_wakeup = iwl_mvm_set_wakeup, 5239e705c121SKalle Valo .set_rekey_data = iwl_mvm_set_rekey_data, 5240e705c121SKalle Valo #if IS_ENABLED(CONFIG_IPV6) 5241e705c121SKalle Valo .ipv6_addr_change = iwl_mvm_ipv6_addr_change, 5242e705c121SKalle Valo #endif 5243e705c121SKalle Valo .set_default_unicast_key = iwl_mvm_set_default_unicast_key, 5244e705c121SKalle Valo #endif 5245e705c121SKalle Valo .get_survey = iwl_mvm_mac_get_survey, 5246e705c121SKalle Valo .sta_statistics = iwl_mvm_mac_sta_statistics, 5247b73f9a4aSJohannes Berg .get_ftm_responder_stats = iwl_mvm_mac_get_ftm_responder_stats, 5248fc36ffdaSJohannes Berg .start_pmsr = iwl_mvm_start_pmsr, 5249fc36ffdaSJohannes Berg .abort_pmsr = iwl_mvm_abort_pmsr, 5250b73f9a4aSJohannes Berg 5251438af969SSara Sharon .can_aggregate_in_amsdu = iwl_mvm_mac_can_aggregate, 5252177a11cfSGregory Greenman #ifdef CONFIG_IWLWIFI_DEBUGFS 5253177a11cfSGregory Greenman .sta_add_debugfs = iwl_mvm_sta_add_debugfs, 5254177a11cfSGregory Greenman #endif 5255e705c121SKalle Valo }; 5256