18e99ea8dSJohannes Berg // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause 28e99ea8dSJohannes Berg /* 38e99ea8dSJohannes Berg * Copyright (C) 2012-2014, 2018-2020 Intel Corporation 48e99ea8dSJohannes Berg * Copyright (C) 2013-2015 Intel Mobile Communications GmbH 58e99ea8dSJohannes Berg * Copyright (C) 2016-2017 Intel Deutschland GmbH 68e99ea8dSJohannes Berg */ 7e705c121SKalle Valo #include <linux/kernel.h> 8e705c121SKalle Valo #include <linux/slab.h> 9e705c121SKalle Valo #include <linux/skbuff.h> 10e705c121SKalle Valo #include <linux/netdevice.h> 11e705c121SKalle Valo #include <linux/etherdevice.h> 12e705c121SKalle Valo #include <linux/ip.h> 13e705c121SKalle Valo #include <linux/if_arp.h> 142f89a5d7SGolan Ben-Ami #include <linux/time.h> 15e705c121SKalle Valo #include <net/mac80211.h> 16e705c121SKalle Valo #include <net/ieee80211_radiotap.h> 17e705c121SKalle Valo #include <net/tcp.h> 18e705c121SKalle Valo 19e705c121SKalle Valo #include "iwl-op-mode.h" 20e705c121SKalle Valo #include "iwl-io.h" 21e705c121SKalle Valo #include "mvm.h" 22e705c121SKalle Valo #include "sta.h" 23e705c121SKalle Valo #include "time-event.h" 24e705c121SKalle Valo #include "iwl-eeprom-parse.h" 25e705c121SKalle Valo #include "iwl-phy-db.h" 26e705c121SKalle Valo #include "testmode.h" 27d962f9b1SJohannes Berg #include "fw/error-dump.h" 28e705c121SKalle Valo #include "iwl-prph.h" 29e705c121SKalle Valo #include "iwl-nvm-parse.h" 30e705c121SKalle Valo 31e705c121SKalle Valo static const struct ieee80211_iface_limit iwl_mvm_limits[] = { 32e705c121SKalle Valo { 33e705c121SKalle Valo .max = 1, 34e705c121SKalle Valo .types = BIT(NL80211_IFTYPE_STATION), 35e705c121SKalle Valo }, 36e705c121SKalle Valo { 37e705c121SKalle Valo .max = 1, 38e705c121SKalle Valo .types = BIT(NL80211_IFTYPE_AP) | 39e705c121SKalle Valo BIT(NL80211_IFTYPE_P2P_CLIENT) | 40e705c121SKalle Valo BIT(NL80211_IFTYPE_P2P_GO), 41e705c121SKalle Valo }, 42e705c121SKalle Valo { 43e705c121SKalle Valo .max = 1, 44e705c121SKalle Valo .types = BIT(NL80211_IFTYPE_P2P_DEVICE), 45e705c121SKalle Valo }, 46e705c121SKalle Valo }; 47e705c121SKalle Valo 48e705c121SKalle Valo static const struct ieee80211_iface_combination iwl_mvm_iface_combinations[] = { 49e705c121SKalle Valo { 50e705c121SKalle Valo .num_different_channels = 2, 51e705c121SKalle Valo .max_interfaces = 3, 52e705c121SKalle Valo .limits = iwl_mvm_limits, 53e705c121SKalle Valo .n_limits = ARRAY_SIZE(iwl_mvm_limits), 54e705c121SKalle Valo }, 55e705c121SKalle Valo }; 56e705c121SKalle Valo 57e705c121SKalle Valo #ifdef CONFIG_IWLWIFI_BCAST_FILTERING 58e705c121SKalle Valo /* 59e705c121SKalle Valo * Use the reserved field to indicate magic values. 60e705c121SKalle Valo * these values will only be used internally by the driver, 61e705c121SKalle Valo * and won't make it to the fw (reserved will be 0). 62e705c121SKalle Valo * BC_FILTER_MAGIC_IP - configure the val of this attribute to 63e705c121SKalle Valo * be the vif's ip address. in case there is not a single 64e705c121SKalle Valo * ip address (0, or more than 1), this attribute will 65e705c121SKalle Valo * be skipped. 66e705c121SKalle Valo * BC_FILTER_MAGIC_MAC - set the val of this attribute to 67e705c121SKalle Valo * the LSB bytes of the vif's mac address 68e705c121SKalle Valo */ 69e705c121SKalle Valo enum { 70e705c121SKalle Valo BC_FILTER_MAGIC_NONE = 0, 71e705c121SKalle Valo BC_FILTER_MAGIC_IP, 72e705c121SKalle Valo BC_FILTER_MAGIC_MAC, 73e705c121SKalle Valo }; 74e705c121SKalle Valo 75e705c121SKalle Valo static const struct iwl_fw_bcast_filter iwl_mvm_default_bcast_filters[] = { 76e705c121SKalle Valo { 77e705c121SKalle Valo /* arp */ 78e705c121SKalle Valo .discard = 0, 79e705c121SKalle Valo .frame_type = BCAST_FILTER_FRAME_TYPE_ALL, 80e705c121SKalle Valo .attrs = { 81e705c121SKalle Valo { 82e705c121SKalle Valo /* frame type - arp, hw type - ethernet */ 83e705c121SKalle Valo .offset_type = 84e705c121SKalle Valo BCAST_FILTER_OFFSET_PAYLOAD_START, 85e705c121SKalle Valo .offset = sizeof(rfc1042_header), 86e705c121SKalle Valo .val = cpu_to_be32(0x08060001), 87e705c121SKalle Valo .mask = cpu_to_be32(0xffffffff), 88e705c121SKalle Valo }, 89e705c121SKalle Valo { 90e705c121SKalle Valo /* arp dest ip */ 91e705c121SKalle Valo .offset_type = 92e705c121SKalle Valo BCAST_FILTER_OFFSET_PAYLOAD_START, 93e705c121SKalle Valo .offset = sizeof(rfc1042_header) + 2 + 94e705c121SKalle Valo sizeof(struct arphdr) + 95e705c121SKalle Valo ETH_ALEN + sizeof(__be32) + 96e705c121SKalle Valo ETH_ALEN, 97e705c121SKalle Valo .mask = cpu_to_be32(0xffffffff), 98e705c121SKalle Valo /* mark it as special field */ 99e705c121SKalle Valo .reserved1 = cpu_to_le16(BC_FILTER_MAGIC_IP), 100e705c121SKalle Valo }, 101e705c121SKalle Valo }, 102e705c121SKalle Valo }, 103e705c121SKalle Valo { 104e705c121SKalle Valo /* dhcp offer bcast */ 105e705c121SKalle Valo .discard = 0, 106e705c121SKalle Valo .frame_type = BCAST_FILTER_FRAME_TYPE_IPV4, 107e705c121SKalle Valo .attrs = { 108e705c121SKalle Valo { 109e705c121SKalle Valo /* udp dest port - 68 (bootp client)*/ 110e705c121SKalle Valo .offset_type = BCAST_FILTER_OFFSET_IP_END, 111e705c121SKalle Valo .offset = offsetof(struct udphdr, dest), 112e705c121SKalle Valo .val = cpu_to_be32(0x00440000), 113e705c121SKalle Valo .mask = cpu_to_be32(0xffff0000), 114e705c121SKalle Valo }, 115e705c121SKalle Valo { 116e705c121SKalle Valo /* dhcp - lsb bytes of client hw address */ 117e705c121SKalle Valo .offset_type = BCAST_FILTER_OFFSET_IP_END, 118e705c121SKalle Valo .offset = 38, 119e705c121SKalle Valo .mask = cpu_to_be32(0xffffffff), 120e705c121SKalle Valo /* mark it as special field */ 121e705c121SKalle Valo .reserved1 = cpu_to_le16(BC_FILTER_MAGIC_MAC), 122e705c121SKalle Valo }, 123e705c121SKalle Valo }, 124e705c121SKalle Valo }, 125e705c121SKalle Valo /* last filter must be empty */ 126e705c121SKalle Valo {}, 127e705c121SKalle Valo }; 128e705c121SKalle Valo #endif 129e705c121SKalle Valo 130fc36ffdaSJohannes Berg static const struct cfg80211_pmsr_capabilities iwl_mvm_pmsr_capa = { 131fc36ffdaSJohannes Berg .max_peers = IWL_MVM_TOF_MAX_APS, 132fc36ffdaSJohannes Berg .report_ap_tsf = 1, 133fc36ffdaSJohannes Berg .randomize_mac_addr = 1, 134fc36ffdaSJohannes Berg 135fc36ffdaSJohannes Berg .ftm = { 136fc36ffdaSJohannes Berg .supported = 1, 137fc36ffdaSJohannes Berg .asap = 1, 138fc36ffdaSJohannes Berg .non_asap = 1, 139fc36ffdaSJohannes Berg .request_lci = 1, 140fc36ffdaSJohannes Berg .request_civicloc = 1, 1416815e3d0SAvraham Stern .trigger_based = 1, 1426815e3d0SAvraham Stern .non_trigger_based = 1, 143fc36ffdaSJohannes Berg .max_bursts_exponent = -1, /* all supported */ 144fc36ffdaSJohannes Berg .max_ftms_per_burst = 0, /* no limits */ 145fc36ffdaSJohannes Berg .bandwidths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | 146fc36ffdaSJohannes Berg BIT(NL80211_CHAN_WIDTH_20) | 147fc36ffdaSJohannes Berg BIT(NL80211_CHAN_WIDTH_40) | 148fc36ffdaSJohannes Berg BIT(NL80211_CHAN_WIDTH_80), 149fc36ffdaSJohannes Berg .preambles = BIT(NL80211_PREAMBLE_LEGACY) | 150fc36ffdaSJohannes Berg BIT(NL80211_PREAMBLE_HT) | 1516815e3d0SAvraham Stern BIT(NL80211_PREAMBLE_VHT) | 1526815e3d0SAvraham Stern BIT(NL80211_PREAMBLE_HE), 153fc36ffdaSJohannes Berg }, 154fc36ffdaSJohannes Berg }; 155fc36ffdaSJohannes Berg 1566569e7d3SJohannes Berg static int __iwl_mvm_mac_set_key(struct ieee80211_hw *hw, 157c56e00a3SJohannes Berg enum set_key_cmd cmd, 158c56e00a3SJohannes Berg struct ieee80211_vif *vif, 159c56e00a3SJohannes Berg struct ieee80211_sta *sta, 160c56e00a3SJohannes Berg struct ieee80211_key_conf *key); 161c56e00a3SJohannes Berg 162e705c121SKalle Valo static void iwl_mvm_reset_phy_ctxts(struct iwl_mvm *mvm) 163e705c121SKalle Valo { 164e705c121SKalle Valo int i; 165e705c121SKalle Valo 166e705c121SKalle Valo memset(mvm->phy_ctxts, 0, sizeof(mvm->phy_ctxts)); 167e705c121SKalle Valo for (i = 0; i < NUM_PHY_CTX; i++) { 168e705c121SKalle Valo mvm->phy_ctxts[i].id = i; 169e705c121SKalle Valo mvm->phy_ctxts[i].ref = 0; 170e705c121SKalle Valo } 171e705c121SKalle Valo } 172e705c121SKalle Valo 173e705c121SKalle Valo struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy, 174e705c121SKalle Valo const char *alpha2, 175e705c121SKalle Valo enum iwl_mcc_source src_id, 176e705c121SKalle Valo bool *changed) 177e705c121SKalle Valo { 178e705c121SKalle Valo struct ieee80211_regdomain *regd = NULL; 179e705c121SKalle Valo struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); 180e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 181e705c121SKalle Valo struct iwl_mcc_update_resp *resp; 182e27c506aSGil Adam u8 resp_ver; 183e705c121SKalle Valo 184e705c121SKalle Valo IWL_DEBUG_LAR(mvm, "Getting regdomain data for %s from FW\n", alpha2); 185e705c121SKalle Valo 186e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 187e705c121SKalle Valo 188e705c121SKalle Valo resp = iwl_mvm_update_mcc(mvm, alpha2, src_id); 189e705c121SKalle Valo if (IS_ERR_OR_NULL(resp)) { 190e705c121SKalle Valo IWL_DEBUG_LAR(mvm, "Could not get update from FW %d\n", 191e705c121SKalle Valo PTR_ERR_OR_ZERO(resp)); 192e705c121SKalle Valo goto out; 193e705c121SKalle Valo } 194e705c121SKalle Valo 19582715ac7SEmmanuel Grumbach if (changed) { 19682715ac7SEmmanuel Grumbach u32 status = le32_to_cpu(resp->status); 19782715ac7SEmmanuel Grumbach 19882715ac7SEmmanuel Grumbach *changed = (status == MCC_RESP_NEW_CHAN_PROFILE || 19982715ac7SEmmanuel Grumbach status == MCC_RESP_ILLEGAL); 20082715ac7SEmmanuel Grumbach } 201e27c506aSGil Adam resp_ver = iwl_fw_lookup_notif_ver(mvm->fw, IWL_ALWAYS_LONG_GROUP, 202e27c506aSGil Adam MCC_UPDATE_CMD, 0); 203e27c506aSGil Adam IWL_DEBUG_LAR(mvm, "MCC update response version: %d\n", resp_ver); 204e705c121SKalle Valo 205e705c121SKalle Valo regd = iwl_parse_nvm_mcc_info(mvm->trans->dev, mvm->cfg, 206e705c121SKalle Valo __le32_to_cpu(resp->n_channels), 207e705c121SKalle Valo resp->channels, 20877e30e10SHaim Dreyfuss __le16_to_cpu(resp->mcc), 2092763bba6SHaim Dreyfuss __le16_to_cpu(resp->geo_info), 210e27c506aSGil Adam __le16_to_cpu(resp->cap), resp_ver); 211e705c121SKalle Valo /* Store the return source id */ 212e705c121SKalle Valo src_id = resp->source_id; 213e705c121SKalle Valo kfree(resp); 214e705c121SKalle Valo if (IS_ERR_OR_NULL(regd)) { 215e705c121SKalle Valo IWL_DEBUG_LAR(mvm, "Could not get parse update from FW %d\n", 216e705c121SKalle Valo PTR_ERR_OR_ZERO(regd)); 217e705c121SKalle Valo goto out; 218e705c121SKalle Valo } 219e705c121SKalle Valo 220e705c121SKalle Valo IWL_DEBUG_LAR(mvm, "setting alpha2 from FW to %s (0x%x, 0x%x) src=%d\n", 221e705c121SKalle Valo regd->alpha2, regd->alpha2[0], regd->alpha2[1], src_id); 222e705c121SKalle Valo mvm->lar_regdom_set = true; 223e705c121SKalle Valo mvm->mcc_src = src_id; 224e705c121SKalle Valo 225e705c121SKalle Valo out: 226e705c121SKalle Valo return regd; 227e705c121SKalle Valo } 228e705c121SKalle Valo 229e705c121SKalle Valo void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm) 230e705c121SKalle Valo { 231e705c121SKalle Valo bool changed; 232e705c121SKalle Valo struct ieee80211_regdomain *regd; 233e705c121SKalle Valo 234e705c121SKalle Valo if (!iwl_mvm_is_lar_supported(mvm)) 235e705c121SKalle Valo return; 236e705c121SKalle Valo 237e705c121SKalle Valo regd = iwl_mvm_get_current_regdomain(mvm, &changed); 238e705c121SKalle Valo if (!IS_ERR_OR_NULL(regd)) { 239e705c121SKalle Valo /* only update the regulatory core if changed */ 240e705c121SKalle Valo if (changed) 241e705c121SKalle Valo regulatory_set_wiphy_regd(mvm->hw->wiphy, regd); 242e705c121SKalle Valo 243e705c121SKalle Valo kfree(regd); 244e705c121SKalle Valo } 245e705c121SKalle Valo } 246e705c121SKalle Valo 247e705c121SKalle Valo struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm, 248e705c121SKalle Valo bool *changed) 249e705c121SKalle Valo { 250e705c121SKalle Valo return iwl_mvm_get_regdomain(mvm->hw->wiphy, "ZZ", 251e705c121SKalle Valo iwl_mvm_is_wifi_mcc_supported(mvm) ? 252e705c121SKalle Valo MCC_SOURCE_GET_CURRENT : 253e705c121SKalle Valo MCC_SOURCE_OLD_FW, changed); 254e705c121SKalle Valo } 255e705c121SKalle Valo 256e705c121SKalle Valo int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm) 257e705c121SKalle Valo { 258e705c121SKalle Valo enum iwl_mcc_source used_src; 259e705c121SKalle Valo struct ieee80211_regdomain *regd; 260e705c121SKalle Valo int ret; 261e705c121SKalle Valo bool changed; 262e705c121SKalle Valo const struct ieee80211_regdomain *r = 263a05829a7SJohannes Berg wiphy_dereference(mvm->hw->wiphy, mvm->hw->wiphy->regd); 264e705c121SKalle Valo 265e705c121SKalle Valo if (!r) 266e705c121SKalle Valo return -ENOENT; 267e705c121SKalle Valo 268e705c121SKalle Valo /* save the last source in case we overwrite it below */ 269e705c121SKalle Valo used_src = mvm->mcc_src; 270e705c121SKalle Valo if (iwl_mvm_is_wifi_mcc_supported(mvm)) { 271e705c121SKalle Valo /* Notify the firmware we support wifi location updates */ 272e705c121SKalle Valo regd = iwl_mvm_get_current_regdomain(mvm, NULL); 273e705c121SKalle Valo if (!IS_ERR_OR_NULL(regd)) 274e705c121SKalle Valo kfree(regd); 275e705c121SKalle Valo } 276e705c121SKalle Valo 277e705c121SKalle Valo /* Now set our last stored MCC and source */ 278e705c121SKalle Valo regd = iwl_mvm_get_regdomain(mvm->hw->wiphy, r->alpha2, used_src, 279e705c121SKalle Valo &changed); 280e705c121SKalle Valo if (IS_ERR_OR_NULL(regd)) 281e705c121SKalle Valo return -EIO; 282e705c121SKalle Valo 283e705c121SKalle Valo /* update cfg80211 if the regdomain was changed */ 284e705c121SKalle Valo if (changed) 285a05829a7SJohannes Berg ret = regulatory_set_wiphy_regd_sync(mvm->hw->wiphy, regd); 286e705c121SKalle Valo else 287e705c121SKalle Valo ret = 0; 288e705c121SKalle Valo 289e705c121SKalle Valo kfree(regd); 290e705c121SKalle Valo return ret; 291e705c121SKalle Valo } 292e705c121SKalle Valo 2937f2ea521SYueHaibing static const u8 he_if_types_ext_capa_sta[] = { 2947360f99eSEmmanuel Grumbach [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING, 295918cbf39SSara Sharon [2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT, 2967360f99eSEmmanuel Grumbach [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF, 2977360f99eSEmmanuel Grumbach [9] = WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT, 2987360f99eSEmmanuel Grumbach }; 2997360f99eSEmmanuel Grumbach 3007f2ea521SYueHaibing static const struct wiphy_iftype_ext_capab he_iftypes_ext_capa[] = { 3017360f99eSEmmanuel Grumbach { 3027360f99eSEmmanuel Grumbach .iftype = NL80211_IFTYPE_STATION, 3037360f99eSEmmanuel Grumbach .extended_capabilities = he_if_types_ext_capa_sta, 3047360f99eSEmmanuel Grumbach .extended_capabilities_mask = he_if_types_ext_capa_sta, 3057360f99eSEmmanuel Grumbach .extended_capabilities_len = sizeof(he_if_types_ext_capa_sta), 3067360f99eSEmmanuel Grumbach }, 3077360f99eSEmmanuel Grumbach }; 3087360f99eSEmmanuel Grumbach 309e8503aecSBen Greear static int 310e8503aecSBen Greear iwl_mvm_op_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant) 311e8503aecSBen Greear { 312e8503aecSBen Greear struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 313e8503aecSBen Greear *tx_ant = iwl_mvm_get_valid_tx_ant(mvm); 314e8503aecSBen Greear *rx_ant = iwl_mvm_get_valid_rx_ant(mvm); 315e8503aecSBen Greear return 0; 316e8503aecSBen Greear } 317e8503aecSBen Greear 318e705c121SKalle Valo int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) 319e705c121SKalle Valo { 320e705c121SKalle Valo struct ieee80211_hw *hw = mvm->hw; 321e705c121SKalle Valo int num_mac, ret, i; 322e705c121SKalle Valo static const u32 mvm_ciphers[] = { 323e705c121SKalle Valo WLAN_CIPHER_SUITE_WEP40, 324e705c121SKalle Valo WLAN_CIPHER_SUITE_WEP104, 325e705c121SKalle Valo WLAN_CIPHER_SUITE_TKIP, 326e705c121SKalle Valo WLAN_CIPHER_SUITE_CCMP, 327e705c121SKalle Valo }; 3283f37c229SIdo Yariv #ifdef CONFIG_PM_SLEEP 3293f37c229SIdo Yariv bool unified = fw_has_capa(&mvm->fw->ucode_capa, 3303f37c229SIdo Yariv IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG); 3313f37c229SIdo Yariv #endif 332e705c121SKalle Valo 333e705c121SKalle Valo /* Tell mac80211 our characteristics */ 334e705c121SKalle Valo ieee80211_hw_set(hw, SIGNAL_DBM); 335e705c121SKalle Valo ieee80211_hw_set(hw, SPECTRUM_MGMT); 336e705c121SKalle Valo ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS); 337e705c121SKalle Valo ieee80211_hw_set(hw, WANT_MONITOR_VIF); 338e705c121SKalle Valo ieee80211_hw_set(hw, SUPPORTS_PS); 339e705c121SKalle Valo ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS); 340e705c121SKalle Valo ieee80211_hw_set(hw, AMPDU_AGGREGATION); 341e705c121SKalle Valo ieee80211_hw_set(hw, TIMING_BEACON_ONLY); 342e705c121SKalle Valo ieee80211_hw_set(hw, CONNECTION_MONITOR); 343e705c121SKalle Valo ieee80211_hw_set(hw, CHANCTX_STA_CSA); 344e705c121SKalle Valo ieee80211_hw_set(hw, SUPPORT_FAST_XMIT); 345e705c121SKalle Valo ieee80211_hw_set(hw, SUPPORTS_CLONED_SKBS); 346909ddf0bSJohannes Berg ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU); 34730433d3bSJohannes Berg ieee80211_hw_set(hw, NEEDS_UNIQUE_STA_ADDR); 348d270e7b8SIlan Peer ieee80211_hw_set(hw, DEAUTH_NEED_MGD_TX_PREP); 349520229e4SShaul Triebitz ieee80211_hw_set(hw, SUPPORTS_VHT_EXT_NSS_BW); 350cfbc6c4cSSara Sharon ieee80211_hw_set(hw, BUFF_MMPDU_TXQ); 351cfbc6c4cSSara Sharon ieee80211_hw_set(hw, STA_MMPDU_TXQ); 352cfb21b11SJohannes Berg /* 353cfb21b11SJohannes Berg * On older devices, enabling TX A-MSDU occasionally leads to 354cfb21b11SJohannes Berg * something getting messed up, the command read from the FIFO 355cfb21b11SJohannes Berg * gets out of sync and isn't a TX command, so that we have an 356cfb21b11SJohannes Berg * assert EDC. 357cfb21b11SJohannes Berg * 358cfb21b11SJohannes Berg * It's not clear where the bug is, but since we didn't used to 359cfb21b11SJohannes Berg * support A-MSDU until moving the mac80211 iTXQs, just leave it 360cfb21b11SJohannes Berg * for older devices. We also don't see this issue on any newer 361cfb21b11SJohannes Berg * devices. 362cfb21b11SJohannes Berg */ 3637d34a7d7SLuca Coelho if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_9000) 364438af969SSara Sharon ieee80211_hw_set(hw, TX_AMSDU); 365438af969SSara Sharon ieee80211_hw_set(hw, TX_FRAG_LIST); 366ecaf71deSGregory Greenman 3674243edb4SEmmanuel Grumbach if (iwl_mvm_has_tlc_offload(mvm)) { 368ecaf71deSGregory Greenman ieee80211_hw_set(hw, TX_AMPDU_SETUP_IN_HW); 369ecaf71deSGregory Greenman ieee80211_hw_set(hw, HAS_RATE_CONTROL); 370ecaf71deSGregory Greenman } 371ecaf71deSGregory Greenman 372b915c101SSara Sharon if (iwl_mvm_has_new_rx_api(mvm)) 373b915c101SSara Sharon ieee80211_hw_set(hw, SUPPORTS_REORDERING_BUFFER); 374960f864bSJohannes Berg 375960f864bSJohannes Berg if (fw_has_capa(&mvm->fw->ucode_capa, 376960f864bSJohannes Berg IWL_UCODE_TLV_CAPA_STA_PM_NOTIF)) { 37765e25482SJohannes Berg ieee80211_hw_set(hw, AP_LINK_PS); 378960f864bSJohannes Berg } else if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) { 379960f864bSJohannes Berg /* 380960f864bSJohannes Berg * we absolutely need this for the new TX API since that comes 381960f864bSJohannes Berg * with many more queues than the current code can deal with 382960f864bSJohannes Berg * for station powersave 383960f864bSJohannes Berg */ 384960f864bSJohannes Berg return -EINVAL; 385960f864bSJohannes Berg } 386e705c121SKalle Valo 38780938abcSJohannes Berg if (mvm->trans->num_rx_queues > 1) 38880938abcSJohannes Berg ieee80211_hw_set(hw, USES_RSS); 38980938abcSJohannes Berg 3902d7cf549SJohannes Berg if (mvm->trans->max_skb_frags) 3912d7cf549SJohannes Berg hw->netdev_features = NETIF_F_HIGHDMA | NETIF_F_SG; 3922d7cf549SJohannes Berg 393366fc672SJohannes Berg hw->queues = IEEE80211_NUM_ACS; 394e705c121SKalle Valo hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE; 395e705c121SKalle Valo hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FEC | 396e705c121SKalle Valo IEEE80211_RADIOTAP_MCS_HAVE_STBC; 397e705c121SKalle Valo hw->radiotap_vht_details |= IEEE80211_RADIOTAP_VHT_KNOWN_STBC | 398e705c121SKalle Valo IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED; 399371a17edSJohannes Berg 400371a17edSJohannes Berg hw->radiotap_timestamp.units_pos = 401371a17edSJohannes Berg IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US | 402371a17edSJohannes Berg IEEE80211_RADIOTAP_TIMESTAMP_SPOS_PLCP_SIG_ACQ; 403371a17edSJohannes Berg /* this is the case for CCK frames, it's better (only 8) for OFDM */ 404371a17edSJohannes Berg hw->radiotap_timestamp.accuracy = 22; 405371a17edSJohannes Berg 4064243edb4SEmmanuel Grumbach if (!iwl_mvm_has_tlc_offload(mvm)) 4079f66a397SGregory Greenman hw->rate_control_algorithm = RS_NAME; 4089f66a397SGregory Greenman 409e705c121SKalle Valo hw->uapsd_queues = IWL_MVM_UAPSD_QUEUES; 410e705c121SKalle Valo hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP; 411438af969SSara Sharon hw->max_tx_fragments = mvm->trans->max_skb_frags; 412e705c121SKalle Valo 4138e160ab8SAyala Beker BUILD_BUG_ON(ARRAY_SIZE(mvm->ciphers) < ARRAY_SIZE(mvm_ciphers) + 6); 414e705c121SKalle Valo memcpy(mvm->ciphers, mvm_ciphers, sizeof(mvm_ciphers)); 415e705c121SKalle Valo hw->wiphy->n_cipher_suites = ARRAY_SIZE(mvm_ciphers); 416e705c121SKalle Valo hw->wiphy->cipher_suites = mvm->ciphers; 417e705c121SKalle Valo 4182a53d166SAyala Beker if (iwl_mvm_has_new_rx_api(mvm)) { 4192a53d166SAyala Beker mvm->ciphers[hw->wiphy->n_cipher_suites] = 4202a53d166SAyala Beker WLAN_CIPHER_SUITE_GCMP; 4212a53d166SAyala Beker hw->wiphy->n_cipher_suites++; 4222a53d166SAyala Beker mvm->ciphers[hw->wiphy->n_cipher_suites] = 4232a53d166SAyala Beker WLAN_CIPHER_SUITE_GCMP_256; 4242a53d166SAyala Beker hw->wiphy->n_cipher_suites++; 4252a53d166SAyala Beker } 4262a53d166SAyala Beker 427f4bfdc5eSEmmanuel Grumbach if (iwlwifi_mod_params.swcrypto) 428f4bfdc5eSEmmanuel Grumbach IWL_ERR(mvm, 429f4bfdc5eSEmmanuel Grumbach "iwlmvm doesn't allow to disable HW crypto, check swcrypto module parameter\n"); 430f4bfdc5eSEmmanuel Grumbach if (!iwlwifi_mod_params.bt_coex_active) 431f4bfdc5eSEmmanuel Grumbach IWL_ERR(mvm, 432f4bfdc5eSEmmanuel Grumbach "iwlmvm doesn't allow to disable BT Coex, check bt_coex_active module parameter\n"); 433f4bfdc5eSEmmanuel Grumbach 434e705c121SKalle Valo ieee80211_hw_set(hw, MFP_CAPABLE); 435f4bfdc5eSEmmanuel Grumbach mvm->ciphers[hw->wiphy->n_cipher_suites] = WLAN_CIPHER_SUITE_AES_CMAC; 436e705c121SKalle Valo hw->wiphy->n_cipher_suites++; 4378e160ab8SAyala Beker if (iwl_mvm_has_new_rx_api(mvm)) { 4388e160ab8SAyala Beker mvm->ciphers[hw->wiphy->n_cipher_suites] = 4398e160ab8SAyala Beker WLAN_CIPHER_SUITE_BIP_GMAC_128; 4408e160ab8SAyala Beker hw->wiphy->n_cipher_suites++; 4418e160ab8SAyala Beker mvm->ciphers[hw->wiphy->n_cipher_suites] = 4428e160ab8SAyala Beker WLAN_CIPHER_SUITE_BIP_GMAC_256; 4438e160ab8SAyala Beker hw->wiphy->n_cipher_suites++; 4448e160ab8SAyala Beker } 445e705c121SKalle Valo 446e705c121SKalle Valo /* currently FW API supports only one optional cipher scheme */ 447e705c121SKalle Valo if (mvm->fw->cs[0].cipher) { 44824ddddf3SJohannes Berg const struct iwl_fw_cipher_scheme *fwcs = &mvm->fw->cs[0]; 44924ddddf3SJohannes Berg struct ieee80211_cipher_scheme *cs = &mvm->cs[0]; 45024ddddf3SJohannes Berg 451e705c121SKalle Valo mvm->hw->n_cipher_schemes = 1; 45224ddddf3SJohannes Berg 45324ddddf3SJohannes Berg cs->cipher = le32_to_cpu(fwcs->cipher); 45424ddddf3SJohannes Berg cs->iftype = BIT(NL80211_IFTYPE_STATION); 45524ddddf3SJohannes Berg cs->hdr_len = fwcs->hdr_len; 45624ddddf3SJohannes Berg cs->pn_len = fwcs->pn_len; 45724ddddf3SJohannes Berg cs->pn_off = fwcs->pn_off; 45824ddddf3SJohannes Berg cs->key_idx_off = fwcs->key_idx_off; 45924ddddf3SJohannes Berg cs->key_idx_mask = fwcs->key_idx_mask; 46024ddddf3SJohannes Berg cs->key_idx_shift = fwcs->key_idx_shift; 46124ddddf3SJohannes Berg cs->mic_len = fwcs->mic_len; 46224ddddf3SJohannes Berg 46324ddddf3SJohannes Berg mvm->hw->cipher_schemes = mvm->cs; 46424ddddf3SJohannes Berg mvm->ciphers[hw->wiphy->n_cipher_suites] = cs->cipher; 465e705c121SKalle Valo hw->wiphy->n_cipher_suites++; 466e705c121SKalle Valo } 467e705c121SKalle Valo 468b73f9a4aSJohannes Berg if (fw_has_capa(&mvm->fw->ucode_capa, 469fc36ffdaSJohannes Berg IWL_UCODE_TLV_CAPA_FTM_CALIBRATED)) { 470b73f9a4aSJohannes Berg wiphy_ext_feature_set(hw->wiphy, 471b73f9a4aSJohannes Berg NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER); 472fc36ffdaSJohannes Berg hw->wiphy->pmsr_capa = &iwl_mvm_pmsr_capa; 473fc36ffdaSJohannes Berg } 474b73f9a4aSJohannes Berg 475b1fdc250SJohannes Berg if (fw_has_capa(&mvm->fw->ucode_capa, 476b1fdc250SJohannes Berg IWL_UCODE_TLV_CAPA_BIGTK_SUPPORT)) 477b1fdc250SJohannes Berg wiphy_ext_feature_set(hw->wiphy, 478b1fdc250SJohannes Berg NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT); 479b1fdc250SJohannes Berg 480e705c121SKalle Valo ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS); 481e705c121SKalle Valo hw->wiphy->features |= 482e705c121SKalle Valo NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR | 483e705c121SKalle Valo NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR | 484e705c121SKalle Valo NL80211_FEATURE_ND_RANDOM_MAC_ADDR; 485e705c121SKalle Valo 486e705c121SKalle Valo hw->sta_data_size = sizeof(struct iwl_mvm_sta); 487e705c121SKalle Valo hw->vif_data_size = sizeof(struct iwl_mvm_vif); 488e705c121SKalle Valo hw->chanctx_data_size = sizeof(u16); 489cfbc6c4cSSara Sharon hw->txq_data_size = sizeof(struct iwl_mvm_txq); 490e705c121SKalle Valo 491e705c121SKalle Valo hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 492e705c121SKalle Valo BIT(NL80211_IFTYPE_P2P_CLIENT) | 493e705c121SKalle Valo BIT(NL80211_IFTYPE_AP) | 494e705c121SKalle Valo BIT(NL80211_IFTYPE_P2P_GO) | 495e705c121SKalle Valo BIT(NL80211_IFTYPE_P2P_DEVICE) | 496e705c121SKalle Valo BIT(NL80211_IFTYPE_ADHOC); 497e705c121SKalle Valo 498e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; 499e47df5bdSJohannes Berg wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_VHT_IBSS); 50033e3fd99SAlexander Wetzel 50133e3fd99SAlexander Wetzel /* The new Tx API does not allow to pass the key or keyid of a MPDU to 50233e3fd99SAlexander Wetzel * the hw, preventing us to control which key(id) to use per MPDU. 50333e3fd99SAlexander Wetzel * Till that's fixed we can't use Extended Key ID for the newer cards. 50433e3fd99SAlexander Wetzel */ 50533e3fd99SAlexander Wetzel if (!iwl_mvm_has_new_tx_api(mvm)) 50633e3fd99SAlexander Wetzel wiphy_ext_feature_set(hw->wiphy, 50733e3fd99SAlexander Wetzel NL80211_EXT_FEATURE_EXT_KEY_ID); 508e47df5bdSJohannes Berg hw->wiphy->features |= NL80211_FEATURE_HT_IBSS; 509e47df5bdSJohannes Berg 510e705c121SKalle Valo hw->wiphy->regulatory_flags |= REGULATORY_ENABLE_RELAX_NO_IR; 511e705c121SKalle Valo if (iwl_mvm_is_lar_supported(mvm)) 512e705c121SKalle Valo hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED; 513e705c121SKalle Valo else 514e705c121SKalle Valo hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG | 515e705c121SKalle Valo REGULATORY_DISABLE_BEACON_HINTS; 516e705c121SKalle Valo 517e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD; 518e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; 519eae94cf8SLuca Coelho hw->wiphy->flags |= WIPHY_FLAG_SPLIT_SCAN_6GHZ; 520e705c121SKalle Valo 521e705c121SKalle Valo hw->wiphy->iface_combinations = iwl_mvm_iface_combinations; 522e705c121SKalle Valo hw->wiphy->n_iface_combinations = 523e705c121SKalle Valo ARRAY_SIZE(iwl_mvm_iface_combinations); 524e705c121SKalle Valo 525e705c121SKalle Valo hw->wiphy->max_remain_on_channel_duration = 10000; 526e705c121SKalle Valo hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL; 527e705c121SKalle Valo 528e705c121SKalle Valo /* Extract MAC address */ 529e705c121SKalle Valo memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN); 530e705c121SKalle Valo hw->wiphy->addresses = mvm->addresses; 531e705c121SKalle Valo hw->wiphy->n_addresses = 1; 532e705c121SKalle Valo 533e705c121SKalle Valo /* Extract additional MAC addresses if available */ 534e705c121SKalle Valo num_mac = (mvm->nvm_data->n_hw_addrs > 1) ? 535e705c121SKalle Valo min(IWL_MVM_MAX_ADDRESSES, mvm->nvm_data->n_hw_addrs) : 1; 536e705c121SKalle Valo 537e705c121SKalle Valo for (i = 1; i < num_mac; i++) { 538e705c121SKalle Valo memcpy(mvm->addresses[i].addr, mvm->addresses[i-1].addr, 539e705c121SKalle Valo ETH_ALEN); 540e705c121SKalle Valo mvm->addresses[i].addr[5]++; 541e705c121SKalle Valo hw->wiphy->n_addresses++; 542e705c121SKalle Valo } 543e705c121SKalle Valo 544e705c121SKalle Valo iwl_mvm_reset_phy_ctxts(mvm); 545e705c121SKalle Valo 546e705c121SKalle Valo hw->wiphy->max_scan_ie_len = iwl_mvm_max_scan_ie_len(mvm); 547e705c121SKalle Valo 548e705c121SKalle Valo hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX; 549e705c121SKalle Valo 550e705c121SKalle Valo BUILD_BUG_ON(IWL_MVM_SCAN_STOPPING_MASK & IWL_MVM_SCAN_MASK); 551e705c121SKalle Valo BUILD_BUG_ON(IWL_MVM_MAX_UMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK) || 552e705c121SKalle Valo IWL_MVM_MAX_LMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK)); 553e705c121SKalle Valo 554e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 555e705c121SKalle Valo mvm->max_scans = IWL_MVM_MAX_UMAC_SCANS; 556e705c121SKalle Valo else 557e705c121SKalle Valo mvm->max_scans = IWL_MVM_MAX_LMAC_SCANS; 558e705c121SKalle Valo 55957fbcce3SJohannes Berg if (mvm->nvm_data->bands[NL80211_BAND_2GHZ].n_channels) 56057fbcce3SJohannes Berg hw->wiphy->bands[NL80211_BAND_2GHZ] = 56157fbcce3SJohannes Berg &mvm->nvm_data->bands[NL80211_BAND_2GHZ]; 56257fbcce3SJohannes Berg if (mvm->nvm_data->bands[NL80211_BAND_5GHZ].n_channels) { 56357fbcce3SJohannes Berg hw->wiphy->bands[NL80211_BAND_5GHZ] = 56457fbcce3SJohannes Berg &mvm->nvm_data->bands[NL80211_BAND_5GHZ]; 565e705c121SKalle Valo 566e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 567e705c121SKalle Valo IWL_UCODE_TLV_CAPA_BEAMFORMER) && 568e705c121SKalle Valo fw_has_api(&mvm->fw->ucode_capa, 569e705c121SKalle Valo IWL_UCODE_TLV_API_LQ_SS_PARAMS)) 57057fbcce3SJohannes Berg hw->wiphy->bands[NL80211_BAND_5GHZ]->vht_cap.cap |= 571e705c121SKalle Valo IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE; 572e705c121SKalle Valo } 573eae94cf8SLuca Coelho if (fw_has_capa(&mvm->fw->ucode_capa, 574eae94cf8SLuca Coelho IWL_UCODE_TLV_CAPA_PSC_CHAN_SUPPORT) && 575eae94cf8SLuca Coelho mvm->nvm_data->bands[NL80211_BAND_6GHZ].n_channels) 576eae94cf8SLuca Coelho hw->wiphy->bands[NL80211_BAND_6GHZ] = 577eae94cf8SLuca Coelho &mvm->nvm_data->bands[NL80211_BAND_6GHZ]; 578e705c121SKalle Valo 579e705c121SKalle Valo hw->wiphy->hw_version = mvm->trans->hw_id; 580e705c121SKalle Valo 581e705c121SKalle Valo if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM) 582e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; 583e705c121SKalle Valo else 584e705c121SKalle Valo hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; 585e705c121SKalle Valo 586ca986ad9SArend Van Spriel hw->wiphy->max_sched_scan_reqs = 1; 587e705c121SKalle Valo hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX; 5885d1234baSTova Mussai hw->wiphy->max_match_sets = iwl_umac_scan_get_max_profiles(mvm->fw); 589e705c121SKalle Valo /* we create the 802.11 header and zero length SSID IE. */ 590e705c121SKalle Valo hw->wiphy->max_sched_scan_ie_len = 591e705c121SKalle Valo SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2; 592e705c121SKalle Valo hw->wiphy->max_sched_scan_plans = IWL_MAX_SCHED_SCAN_PLANS; 593e705c121SKalle Valo hw->wiphy->max_sched_scan_plan_interval = U16_MAX; 594e705c121SKalle Valo 595e705c121SKalle Valo /* 596e705c121SKalle Valo * the firmware uses u8 for num of iterations, but 0xff is saved for 597e705c121SKalle Valo * infinite loop, so the maximum number of iterations is actually 254. 598e705c121SKalle Valo */ 599e705c121SKalle Valo hw->wiphy->max_sched_scan_plan_iterations = 254; 600e705c121SKalle Valo 601e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN | 602e705c121SKalle Valo NL80211_FEATURE_LOW_PRIORITY_SCAN | 603e705c121SKalle Valo NL80211_FEATURE_P2P_GO_OPPPS | 604a904a08bSPeer, Ilan NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE | 605e705c121SKalle Valo NL80211_FEATURE_DYNAMIC_SMPS | 606e705c121SKalle Valo NL80211_FEATURE_STATIC_SMPS | 607e705c121SKalle Valo NL80211_FEATURE_SUPPORTS_WMM_ADMISSION; 608e705c121SKalle Valo 609e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 610e705c121SKalle Valo IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT)) 611e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_TX_POWER_INSERTION; 612e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 613e705c121SKalle Valo IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT)) 614e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_QUIET; 615e705c121SKalle Valo 616e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 617e705c121SKalle Valo IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT)) 618e705c121SKalle Valo hw->wiphy->features |= 619e705c121SKalle Valo NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES; 620e705c121SKalle Valo 621e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 622e705c121SKalle Valo IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT)) 623e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_WFA_TPC_IE_IN_PROBES; 624e705c121SKalle Valo 6252a42aea7SNathan Errera if (iwl_fw_lookup_cmd_ver(mvm->fw, IWL_ALWAYS_LONG_GROUP, 6262a42aea7SNathan Errera WOWLAN_KEK_KCK_MATERIAL, 6272a42aea7SNathan Errera IWL_FW_CMD_VER_UNKNOWN) == 3) 6282a42aea7SNathan Errera hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK; 6292a42aea7SNathan Errera 630aacf8f18SAvrahams Stern if (fw_has_api(&mvm->fw->ucode_capa, 631aacf8f18SAvrahams Stern IWL_UCODE_TLV_API_SCAN_TSF_REPORT)) { 632aacf8f18SAvrahams Stern wiphy_ext_feature_set(hw->wiphy, 633aacf8f18SAvrahams Stern NL80211_EXT_FEATURE_SCAN_START_TIME); 634aacf8f18SAvrahams Stern wiphy_ext_feature_set(hw->wiphy, 635aacf8f18SAvrahams Stern NL80211_EXT_FEATURE_BSS_PARENT_TSF); 636aacf8f18SAvrahams Stern } 637aacf8f18SAvrahams Stern 6388f691af9SZamir, Roee if (iwl_mvm_is_oce_supported(mvm)) { 6398f691af9SZamir, Roee wiphy_ext_feature_set(hw->wiphy, 6408f691af9SZamir, Roee NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP); 6418f691af9SZamir, Roee wiphy_ext_feature_set(hw->wiphy, 6428f691af9SZamir, Roee NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME); 6438f691af9SZamir, Roee wiphy_ext_feature_set(hw->wiphy, 6448f691af9SZamir, Roee NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION); 6458f691af9SZamir, Roee wiphy_ext_feature_set(hw->wiphy, 6468f691af9SZamir, Roee NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE); 6478f691af9SZamir, Roee } 6488f691af9SZamir, Roee 6497360f99eSEmmanuel Grumbach if (mvm->nvm_data->sku_cap_11ax_enable && 6507360f99eSEmmanuel Grumbach !iwlwifi_mod_params.disable_11ax) { 6517360f99eSEmmanuel Grumbach hw->wiphy->iftype_ext_capab = he_iftypes_ext_capa; 6527360f99eSEmmanuel Grumbach hw->wiphy->num_iftype_ext_capab = 6537360f99eSEmmanuel Grumbach ARRAY_SIZE(he_iftypes_ext_capa); 654918cbf39SSara Sharon 655918cbf39SSara Sharon ieee80211_hw_set(hw, SUPPORTS_MULTI_BSSID); 656918cbf39SSara Sharon ieee80211_hw_set(hw, SUPPORTS_ONLY_HE_MULTI_BSSID); 6577360f99eSEmmanuel Grumbach } 6587360f99eSEmmanuel Grumbach 659e705c121SKalle Valo mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD; 660e705c121SKalle Valo 661e705c121SKalle Valo #ifdef CONFIG_PM_SLEEP 6623f37c229SIdo Yariv if ((unified || mvm->fw->img[IWL_UCODE_WOWLAN].num_sec) && 663e705c121SKalle Valo mvm->trans->ops->d3_suspend && 664e705c121SKalle Valo mvm->trans->ops->d3_resume && 665e705c121SKalle Valo device_can_wakeup(mvm->trans->dev)) { 666e705c121SKalle Valo mvm->wowlan.flags |= WIPHY_WOWLAN_MAGIC_PKT | 667e705c121SKalle Valo WIPHY_WOWLAN_DISCONNECT | 668e705c121SKalle Valo WIPHY_WOWLAN_EAP_IDENTITY_REQ | 669e705c121SKalle Valo WIPHY_WOWLAN_RFKILL_RELEASE | 670e705c121SKalle Valo WIPHY_WOWLAN_NET_DETECT; 671e705c121SKalle Valo mvm->wowlan.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | 672e705c121SKalle Valo WIPHY_WOWLAN_GTK_REKEY_FAILURE | 673e705c121SKalle Valo WIPHY_WOWLAN_4WAY_HANDSHAKE; 674e705c121SKalle Valo 675e705c121SKalle Valo mvm->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS; 676e705c121SKalle Valo mvm->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN; 677e705c121SKalle Valo mvm->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN; 6785d1234baSTova Mussai mvm->wowlan.max_nd_match_sets = 6795d1234baSTova Mussai iwl_umac_scan_get_max_profiles(mvm->fw); 680e705c121SKalle Valo hw->wiphy->wowlan = &mvm->wowlan; 681e705c121SKalle Valo } 682e705c121SKalle Valo #endif 683e705c121SKalle Valo 684e705c121SKalle Valo #ifdef CONFIG_IWLWIFI_BCAST_FILTERING 685e705c121SKalle Valo /* assign default bcast filtering configuration */ 686e705c121SKalle Valo mvm->bcast_filters = iwl_mvm_default_bcast_filters; 687e705c121SKalle Valo #endif 688e705c121SKalle Valo 689e705c121SKalle Valo ret = iwl_mvm_leds_init(mvm); 690e705c121SKalle Valo if (ret) 691e705c121SKalle Valo return ret; 692e705c121SKalle Valo 693e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 694e705c121SKalle Valo IWL_UCODE_TLV_CAPA_TDLS_SUPPORT)) { 695e705c121SKalle Valo IWL_DEBUG_TDLS(mvm, "TDLS supported\n"); 696e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS; 697e705c121SKalle Valo ieee80211_hw_set(hw, TDLS_WIDER_BW); 698e705c121SKalle Valo } 699e705c121SKalle Valo 700e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 701e705c121SKalle Valo IWL_UCODE_TLV_CAPA_TDLS_CHANNEL_SWITCH)) { 702e705c121SKalle Valo IWL_DEBUG_TDLS(mvm, "TDLS channel switch supported\n"); 703e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH; 704e705c121SKalle Valo } 705e705c121SKalle Valo 706e705c121SKalle Valo hw->netdev_features |= mvm->cfg->features; 70759fa61f3SEmmanuel Grumbach if (!iwl_mvm_is_csum_supported(mvm)) 7085e6a98dcSSara Sharon hw->netdev_features &= ~(IWL_TX_CSUM_NETIF_FLAGS | 7095e6a98dcSSara Sharon NETIF_F_RXCSUM); 71041837ca9SEmmanuel Grumbach 71191b08c2dSAviya Erenfeld if (mvm->cfg->vht_mu_mimo_supported) 71291b08c2dSAviya Erenfeld wiphy_ext_feature_set(hw->wiphy, 71391b08c2dSAviya Erenfeld NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER); 71491b08c2dSAviya Erenfeld 7159c11d8a9SShaul Triebitz if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_PROTECTED_TWT)) 7169c11d8a9SShaul Triebitz wiphy_ext_feature_set(hw->wiphy, 7179c11d8a9SShaul Triebitz NL80211_EXT_FEATURE_PROTECTED_TWT); 7189c11d8a9SShaul Triebitz 719e8503aecSBen Greear hw->wiphy->available_antennas_tx = iwl_mvm_get_valid_tx_ant(mvm); 720e8503aecSBen Greear hw->wiphy->available_antennas_rx = iwl_mvm_get_valid_rx_ant(mvm); 721e8503aecSBen Greear 722de645e89SJohannes Berg ret = ieee80211_register_hw(mvm->hw); 723de645e89SJohannes Berg if (ret) { 724de645e89SJohannes Berg iwl_mvm_leds_exit(mvm); 725e705c121SKalle Valo } 726e705c121SKalle Valo 727e705c121SKalle Valo return ret; 728e705c121SKalle Valo } 729e705c121SKalle Valo 730df2378abSJohannes Berg static void iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb, 731df2378abSJohannes Berg struct ieee80211_sta *sta) 732df2378abSJohannes Berg { 733df2378abSJohannes Berg if (likely(sta)) { 734df2378abSJohannes Berg if (likely(iwl_mvm_tx_skb_sta(mvm, skb, sta) == 0)) 735df2378abSJohannes Berg return; 736df2378abSJohannes Berg } else { 737df2378abSJohannes Berg if (likely(iwl_mvm_tx_skb_non_sta(mvm, skb) == 0)) 738df2378abSJohannes Berg return; 739df2378abSJohannes Berg } 740df2378abSJohannes Berg 741df2378abSJohannes Berg ieee80211_free_txskb(mvm->hw, skb); 742df2378abSJohannes Berg } 743df2378abSJohannes Berg 744e705c121SKalle Valo static void iwl_mvm_mac_tx(struct ieee80211_hw *hw, 745e705c121SKalle Valo struct ieee80211_tx_control *control, 746e705c121SKalle Valo struct sk_buff *skb) 747e705c121SKalle Valo { 748e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 749e705c121SKalle Valo struct ieee80211_sta *sta = control->sta; 750e705c121SKalle Valo struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 751e705c121SKalle Valo struct ieee80211_hdr *hdr = (void *)skb->data; 752cfbc6c4cSSara Sharon bool offchannel = IEEE80211_SKB_CB(skb)->flags & 753cfbc6c4cSSara Sharon IEEE80211_TX_CTL_TX_OFFCHAN; 754e705c121SKalle Valo 755e705c121SKalle Valo if (iwl_mvm_is_radio_killed(mvm)) { 756e705c121SKalle Valo IWL_DEBUG_DROP(mvm, "Dropping - RF/CT KILL\n"); 757e705c121SKalle Valo goto drop; 758e705c121SKalle Valo } 759e705c121SKalle Valo 760cfbc6c4cSSara Sharon if (offchannel && 761e705c121SKalle Valo !test_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status) && 762e705c121SKalle Valo !test_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status)) 763e705c121SKalle Valo goto drop; 764e705c121SKalle Valo 76510516783SJohannes Berg /* 76610516783SJohannes Berg * bufferable MMPDUs or MMPDUs on STA interfaces come via TXQs 76710516783SJohannes Berg * so we treat the others as broadcast 76810516783SJohannes Berg */ 76910516783SJohannes Berg if (ieee80211_is_mgmt(hdr->frame_control)) 770e705c121SKalle Valo sta = NULL; 771e705c121SKalle Valo 772dc1aca22SAndrei Otcheretianski /* If there is no sta, and it's not offchannel - send through AP */ 773cfbc6c4cSSara Sharon if (!sta && info->control.vif->type == NL80211_IFTYPE_STATION && 774cfbc6c4cSSara Sharon !offchannel) { 775dc1aca22SAndrei Otcheretianski struct iwl_mvm_vif *mvmvif = 776dc1aca22SAndrei Otcheretianski iwl_mvm_vif_from_mac80211(info->control.vif); 777dc1aca22SAndrei Otcheretianski u8 ap_sta_id = READ_ONCE(mvmvif->ap_sta_id); 778dc1aca22SAndrei Otcheretianski 779be9ae34eSNathan Errera if (ap_sta_id < mvm->fw->ucode_capa.num_stations) { 780dc1aca22SAndrei Otcheretianski /* mac80211 holds rcu read lock */ 781dc1aca22SAndrei Otcheretianski sta = rcu_dereference(mvm->fw_id_to_mac_id[ap_sta_id]); 782dc1aca22SAndrei Otcheretianski if (IS_ERR_OR_NULL(sta)) 783dc1aca22SAndrei Otcheretianski goto drop; 784dc1aca22SAndrei Otcheretianski } 785dc1aca22SAndrei Otcheretianski } 786dc1aca22SAndrei Otcheretianski 787df2378abSJohannes Berg iwl_mvm_tx_skb(mvm, skb, sta); 788e705c121SKalle Valo return; 789e705c121SKalle Valo drop: 790e705c121SKalle Valo ieee80211_free_txskb(hw, skb); 791e705c121SKalle Valo } 792e705c121SKalle Valo 793cfbc6c4cSSara Sharon void iwl_mvm_mac_itxq_xmit(struct ieee80211_hw *hw, struct ieee80211_txq *txq) 794e705c121SKalle Valo { 795cfbc6c4cSSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 796cfbc6c4cSSara Sharon struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq); 797cfbc6c4cSSara Sharon struct sk_buff *skb = NULL; 798cfbc6c4cSSara Sharon 799fba8248eSSara Sharon /* 800fba8248eSSara Sharon * No need for threads to be pending here, they can leave the first 801fba8248eSSara Sharon * taker all the work. 802fba8248eSSara Sharon * 803fba8248eSSara Sharon * mvmtxq->tx_request logic: 804fba8248eSSara Sharon * 805fba8248eSSara Sharon * If 0, no one is currently TXing, set to 1 to indicate current thread 806fba8248eSSara Sharon * will now start TX and other threads should quit. 807fba8248eSSara Sharon * 808fba8248eSSara Sharon * If 1, another thread is currently TXing, set to 2 to indicate to 809fba8248eSSara Sharon * that thread that there was another request. Since that request may 810fba8248eSSara Sharon * have raced with the check whether the queue is empty, the TXing 811fba8248eSSara Sharon * thread should check the queue's status one more time before leaving. 812fba8248eSSara Sharon * This check is done in order to not leave any TX hanging in the queue 813fba8248eSSara Sharon * until the next TX invocation (which may not even happen). 814fba8248eSSara Sharon * 815fba8248eSSara Sharon * If 2, another thread is currently TXing, and it will already double 816fba8248eSSara Sharon * check the queue, so do nothing. 817fba8248eSSara Sharon */ 818fba8248eSSara Sharon if (atomic_fetch_add_unless(&mvmtxq->tx_request, 1, 2)) 819fba8248eSSara Sharon return; 820cfbc6c4cSSara Sharon 821cfbc6c4cSSara Sharon rcu_read_lock(); 822fba8248eSSara Sharon do { 823cfbc6c4cSSara Sharon while (likely(!mvmtxq->stopped && 82400520b7aSEmmanuel Grumbach !test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status))) { 825cfbc6c4cSSara Sharon skb = ieee80211_tx_dequeue(hw, txq); 826cfbc6c4cSSara Sharon 827f50d693bSSara Sharon if (!skb) { 828f50d693bSSara Sharon if (txq->sta) 829f50d693bSSara Sharon IWL_DEBUG_TX(mvm, 830f50d693bSSara Sharon "TXQ of sta %pM tid %d is now empty\n", 831f50d693bSSara Sharon txq->sta->addr, 832f50d693bSSara Sharon txq->tid); 833cfbc6c4cSSara Sharon break; 834f50d693bSSara Sharon } 835cfbc6c4cSSara Sharon 836cfbc6c4cSSara Sharon iwl_mvm_tx_skb(mvm, skb, txq->sta); 837cfbc6c4cSSara Sharon } 838fba8248eSSara Sharon } while (atomic_dec_return(&mvmtxq->tx_request)); 839cfbc6c4cSSara Sharon rcu_read_unlock(); 840e705c121SKalle Valo } 841e705c121SKalle Valo 842cfbc6c4cSSara Sharon static void iwl_mvm_mac_wake_tx_queue(struct ieee80211_hw *hw, 843cfbc6c4cSSara Sharon struct ieee80211_txq *txq) 844e705c121SKalle Valo { 845cfbc6c4cSSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 846cfbc6c4cSSara Sharon struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq); 847e705c121SKalle Valo 848cfbc6c4cSSara Sharon /* 849cfbc6c4cSSara Sharon * Please note that racing is handled very carefully here: 850cfbc6c4cSSara Sharon * mvmtxq->txq_id is updated during allocation, and mvmtxq->list is 851cfbc6c4cSSara Sharon * deleted afterwards. 852cfbc6c4cSSara Sharon * This means that if: 853cfbc6c4cSSara Sharon * mvmtxq->txq_id != INVALID_QUEUE && list_empty(&mvmtxq->list): 854cfbc6c4cSSara Sharon * queue is allocated and we can TX. 855cfbc6c4cSSara Sharon * mvmtxq->txq_id != INVALID_QUEUE && !list_empty(&mvmtxq->list): 856cfbc6c4cSSara Sharon * a race, should defer the frame. 857cfbc6c4cSSara Sharon * mvmtxq->txq_id == INVALID_QUEUE && list_empty(&mvmtxq->list): 858cfbc6c4cSSara Sharon * need to allocate the queue and defer the frame. 859cfbc6c4cSSara Sharon * mvmtxq->txq_id == INVALID_QUEUE && !list_empty(&mvmtxq->list): 860cfbc6c4cSSara Sharon * queue is already scheduled for allocation, no need to allocate, 861cfbc6c4cSSara Sharon * should defer the frame. 862cfbc6c4cSSara Sharon */ 863cfbc6c4cSSara Sharon 864cfbc6c4cSSara Sharon /* If the queue is allocated TX and return. */ 865cfbc6c4cSSara Sharon if (!txq->sta || mvmtxq->txq_id != IWL_MVM_INVALID_QUEUE) { 866cfbc6c4cSSara Sharon /* 867cfbc6c4cSSara Sharon * Check that list is empty to avoid a race where txq_id is 868cfbc6c4cSSara Sharon * already updated, but the queue allocation work wasn't 869cfbc6c4cSSara Sharon * finished 870cfbc6c4cSSara Sharon */ 871cfbc6c4cSSara Sharon if (unlikely(txq->sta && !list_empty(&mvmtxq->list))) 872cfbc6c4cSSara Sharon return; 873cfbc6c4cSSara Sharon 874cfbc6c4cSSara Sharon iwl_mvm_mac_itxq_xmit(hw, txq); 875cfbc6c4cSSara Sharon return; 876cfbc6c4cSSara Sharon } 877cfbc6c4cSSara Sharon 878cfbc6c4cSSara Sharon /* The list is being deleted only after the queue is fully allocated. */ 879cfbc6c4cSSara Sharon if (!list_empty(&mvmtxq->list)) 880cfbc6c4cSSara Sharon return; 881cfbc6c4cSSara Sharon 882cfbc6c4cSSara Sharon list_add_tail(&mvmtxq->list, &mvm->add_stream_txqs); 883cfbc6c4cSSara Sharon schedule_work(&mvm->add_stream_wk); 884e705c121SKalle Valo } 885e705c121SKalle Valo 886e705c121SKalle Valo #define CHECK_BA_TRIGGER(_mvm, _trig, _tid_bm, _tid, _fmt...) \ 887e705c121SKalle Valo do { \ 888e705c121SKalle Valo if (!(le16_to_cpu(_tid_bm) & BIT(_tid))) \ 889e705c121SKalle Valo break; \ 8907174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&(_mvm)->fwrt, _trig, _fmt); \ 891e705c121SKalle Valo } while (0) 892e705c121SKalle Valo 893e705c121SKalle Valo static void 894e705c121SKalle Valo iwl_mvm_ampdu_check_trigger(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 895e705c121SKalle Valo struct ieee80211_sta *sta, u16 tid, u16 rx_ba_ssn, 896e705c121SKalle Valo enum ieee80211_ampdu_mlme_action action) 897e705c121SKalle Valo { 898e705c121SKalle Valo struct iwl_fw_dbg_trigger_tlv *trig; 899e705c121SKalle Valo struct iwl_fw_dbg_trigger_ba *ba_trig; 900e705c121SKalle Valo 9016c042d75SSara Sharon trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 9026c042d75SSara Sharon FW_DBG_TRIGGER_BA); 9036c042d75SSara Sharon if (!trig) 904e705c121SKalle Valo return; 905e705c121SKalle Valo 906e705c121SKalle Valo ba_trig = (void *)trig->data; 907e705c121SKalle Valo 908e705c121SKalle Valo switch (action) { 909e705c121SKalle Valo case IEEE80211_AMPDU_TX_OPERATIONAL: { 910e705c121SKalle Valo struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 911e705c121SKalle Valo struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 912e705c121SKalle Valo 913e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_start, tid, 914e705c121SKalle Valo "TX AGG START: MAC %pM tid %d ssn %d\n", 915e705c121SKalle Valo sta->addr, tid, tid_data->ssn); 916e705c121SKalle Valo break; 917e705c121SKalle Valo } 918e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_CONT: 919e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_stop, tid, 920e705c121SKalle Valo "TX AGG STOP: MAC %pM tid %d\n", 921e705c121SKalle Valo sta->addr, tid); 922e705c121SKalle Valo break; 923e705c121SKalle Valo case IEEE80211_AMPDU_RX_START: 924e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_start, tid, 925e705c121SKalle Valo "RX AGG START: MAC %pM tid %d ssn %d\n", 926e705c121SKalle Valo sta->addr, tid, rx_ba_ssn); 927e705c121SKalle Valo break; 928e705c121SKalle Valo case IEEE80211_AMPDU_RX_STOP: 929e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_stop, tid, 930e705c121SKalle Valo "RX AGG STOP: MAC %pM tid %d\n", 931e705c121SKalle Valo sta->addr, tid); 932e705c121SKalle Valo break; 933e705c121SKalle Valo default: 934e705c121SKalle Valo break; 935e705c121SKalle Valo } 936e705c121SKalle Valo } 937e705c121SKalle Valo 938e705c121SKalle Valo static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw, 939e705c121SKalle Valo struct ieee80211_vif *vif, 94050ea05efSSara Sharon struct ieee80211_ampdu_params *params) 941e705c121SKalle Valo { 942e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 943e705c121SKalle Valo int ret; 94450ea05efSSara Sharon struct ieee80211_sta *sta = params->sta; 94550ea05efSSara Sharon enum ieee80211_ampdu_mlme_action action = params->action; 94650ea05efSSara Sharon u16 tid = params->tid; 94750ea05efSSara Sharon u16 *ssn = ¶ms->ssn; 948514c3069SLuca Coelho u16 buf_size = params->buf_size; 949bb81bb68SEmmanuel Grumbach bool amsdu = params->amsdu; 95010b2b201SSara Sharon u16 timeout = params->timeout; 951e705c121SKalle Valo 952e705c121SKalle Valo IWL_DEBUG_HT(mvm, "A-MPDU action on addr %pM tid %d: action %d\n", 953e705c121SKalle Valo sta->addr, tid, action); 954e705c121SKalle Valo 955e705c121SKalle Valo if (!(mvm->nvm_data->sku_cap_11n_enable)) 956e705c121SKalle Valo return -EACCES; 957e705c121SKalle Valo 958e705c121SKalle Valo mutex_lock(&mvm->mutex); 959e705c121SKalle Valo 960e705c121SKalle Valo switch (action) { 961e705c121SKalle Valo case IEEE80211_AMPDU_RX_START: 962b0ffe455SJohannes Berg if (iwl_mvm_vif_from_mac80211(vif)->ap_sta_id == 963b0ffe455SJohannes Berg iwl_mvm_sta_from_mac80211(sta)->sta_id) { 964b0ffe455SJohannes Berg struct iwl_mvm_vif *mvmvif; 965b0ffe455SJohannes Berg u16 macid = iwl_mvm_vif_from_mac80211(vif)->id; 966b0ffe455SJohannes Berg struct iwl_mvm_tcm_mac *mdata = &mvm->tcm.data[macid]; 967b0ffe455SJohannes Berg 968b0ffe455SJohannes Berg mdata->opened_rx_ba_sessions = true; 969b0ffe455SJohannes Berg mvmvif = iwl_mvm_vif_from_mac80211(vif); 970b0ffe455SJohannes Berg cancel_delayed_work(&mvmvif->uapsd_nonagg_detected_wk); 971b0ffe455SJohannes Berg } 972e78da25eSJohannes Berg if (!iwl_enable_rx_ampdu()) { 973e705c121SKalle Valo ret = -EINVAL; 974e705c121SKalle Valo break; 975e705c121SKalle Valo } 97610b2b201SSara Sharon ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true, buf_size, 97710b2b201SSara Sharon timeout); 978e705c121SKalle Valo break; 979e705c121SKalle Valo case IEEE80211_AMPDU_RX_STOP: 98010b2b201SSara Sharon ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false, buf_size, 98110b2b201SSara Sharon timeout); 982e705c121SKalle Valo break; 983e705c121SKalle Valo case IEEE80211_AMPDU_TX_START: 984e78da25eSJohannes Berg if (!iwl_enable_tx_ampdu()) { 985e705c121SKalle Valo ret = -EINVAL; 986e705c121SKalle Valo break; 987e705c121SKalle Valo } 988e705c121SKalle Valo ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn); 989e705c121SKalle Valo break; 990e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_CONT: 991e705c121SKalle Valo ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid); 992e705c121SKalle Valo break; 993e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_FLUSH: 994e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 995e705c121SKalle Valo ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid); 996e705c121SKalle Valo break; 997e705c121SKalle Valo case IEEE80211_AMPDU_TX_OPERATIONAL: 998bb81bb68SEmmanuel Grumbach ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid, 999bb81bb68SEmmanuel Grumbach buf_size, amsdu); 1000e705c121SKalle Valo break; 1001e705c121SKalle Valo default: 1002e705c121SKalle Valo WARN_ON_ONCE(1); 1003e705c121SKalle Valo ret = -EINVAL; 1004e705c121SKalle Valo break; 1005e705c121SKalle Valo } 1006e705c121SKalle Valo 1007e705c121SKalle Valo if (!ret) { 1008e705c121SKalle Valo u16 rx_ba_ssn = 0; 1009e705c121SKalle Valo 1010e705c121SKalle Valo if (action == IEEE80211_AMPDU_RX_START) 1011e705c121SKalle Valo rx_ba_ssn = *ssn; 1012e705c121SKalle Valo 1013e705c121SKalle Valo iwl_mvm_ampdu_check_trigger(mvm, vif, sta, tid, 1014e705c121SKalle Valo rx_ba_ssn, action); 1015e705c121SKalle Valo } 1016e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1017e705c121SKalle Valo 1018e705c121SKalle Valo return ret; 1019e705c121SKalle Valo } 1020e705c121SKalle Valo 1021e705c121SKalle Valo static void iwl_mvm_cleanup_iterator(void *data, u8 *mac, 1022e705c121SKalle Valo struct ieee80211_vif *vif) 1023e705c121SKalle Valo { 1024e705c121SKalle Valo struct iwl_mvm *mvm = data; 1025e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1026e705c121SKalle Valo 1027e705c121SKalle Valo mvmvif->uploaded = false; 10280ae98812SSara Sharon mvmvif->ap_sta_id = IWL_MVM_INVALID_STA; 1029e705c121SKalle Valo 1030e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 1031e705c121SKalle Valo iwl_mvm_te_clear_data(mvm, &mvmvif->time_event_data); 1032e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 1033e705c121SKalle Valo 1034e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 1035e705c121SKalle Valo memset(&mvmvif->bf_data, 0, sizeof(mvmvif->bf_data)); 103686e177d8SGregory Greenman memset(&mvmvif->probe_resp_data, 0, sizeof(mvmvif->probe_resp_data)); 1037e705c121SKalle Valo } 1038e705c121SKalle Valo 1039e705c121SKalle Valo static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm) 1040e705c121SKalle Valo { 1041fcb6b92aSChaya Rachel Ivgi iwl_mvm_stop_device(mvm); 1042e705c121SKalle Valo 10439bf13beeSJohannes Berg mvm->cur_aid = 0; 10449bf13beeSJohannes Berg 1045e705c121SKalle Valo mvm->scan_status = 0; 1046e705c121SKalle Valo mvm->ps_disabled = false; 1047b3500b47SEmmanuel Grumbach mvm->rfkill_safe_init_done = false; 1048e705c121SKalle Valo 1049e705c121SKalle Valo /* just in case one was running */ 1050305d236eSEliad Peller iwl_mvm_cleanup_roc_te(mvm); 1051e705c121SKalle Valo ieee80211_remain_on_channel_expired(mvm->hw); 1052e705c121SKalle Valo 1053fc36ffdaSJohannes Berg iwl_mvm_ftm_restart(mvm); 1054fc36ffdaSJohannes Berg 1055e705c121SKalle Valo /* 1056e705c121SKalle Valo * cleanup all interfaces, even inactive ones, as some might have 1057e705c121SKalle Valo * gone down during the HW restart 1058e705c121SKalle Valo */ 1059e705c121SKalle Valo ieee80211_iterate_interfaces(mvm->hw, 0, iwl_mvm_cleanup_iterator, mvm); 1060e705c121SKalle Valo 1061e705c121SKalle Valo mvm->p2p_device_vif = NULL; 1062e705c121SKalle Valo 1063e705c121SKalle Valo iwl_mvm_reset_phy_ctxts(mvm); 10649c3deeb5SLuca Coelho memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table)); 1065e705c121SKalle Valo memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif)); 1066e705c121SKalle Valo memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd)); 1067e705c121SKalle Valo 1068e705c121SKalle Valo ieee80211_wake_queues(mvm->hw); 1069e705c121SKalle Valo 1070e705c121SKalle Valo mvm->vif_count = 0; 1071e705c121SKalle Valo mvm->rx_ba_sessions = 0; 10727174beb6SJohannes Berg mvm->fwrt.dump.conf = FW_DBG_INVALID; 1073baf41bc3SShaul Triebitz mvm->monitor_on = false; 1074e705c121SKalle Valo 1075e705c121SKalle Valo /* keep statistics ticking */ 1076e705c121SKalle Valo iwl_mvm_accu_radio_stats(mvm); 1077e705c121SKalle Valo } 1078e705c121SKalle Valo 1079e705c121SKalle Valo int __iwl_mvm_mac_start(struct iwl_mvm *mvm) 1080e705c121SKalle Valo { 1081e705c121SKalle Valo int ret; 1082e705c121SKalle Valo 1083e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1084e705c121SKalle Valo 1085bf8b286fSJohannes Berg if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status)) { 1086bf8b286fSJohannes Berg /* 1087bf8b286fSJohannes Berg * Now convert the HW_RESTART_REQUESTED flag to IN_HW_RESTART 1088bf8b286fSJohannes Berg * so later code will - from now on - see that we're doing it. 1089bf8b286fSJohannes Berg */ 1090bf8b286fSJohannes Berg set_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1091bf8b286fSJohannes Berg clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status); 1092e705c121SKalle Valo /* Clean up some internal and mac80211 state on restart */ 1093e705c121SKalle Valo iwl_mvm_restart_cleanup(mvm); 1094a42b2af3SLuca Coelho } 1095e705c121SKalle Valo ret = iwl_mvm_up(mvm); 1096e705c121SKalle Valo 1097b108d8c7SShahar S Matityahu iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_POST_INIT, 1098b108d8c7SShahar S Matityahu NULL); 1099b108d8c7SShahar S Matityahu iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_PERIODIC, 1100b108d8c7SShahar S Matityahu NULL); 1101da2eb669SSara Sharon 1102e8fe3b41SIlan Peer mvm->last_reset_or_resume_time_jiffies = jiffies; 1103e8fe3b41SIlan Peer 1104e705c121SKalle Valo if (ret && test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 1105e705c121SKalle Valo /* Something went wrong - we need to finish some cleanup 1106e705c121SKalle Valo * that normally iwl_mvm_mac_restart_complete() below 1107e705c121SKalle Valo * would do. 1108e705c121SKalle Valo */ 1109e705c121SKalle Valo clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1110e705c121SKalle Valo } 1111e705c121SKalle Valo 1112e705c121SKalle Valo return ret; 1113e705c121SKalle Valo } 1114e705c121SKalle Valo 1115e705c121SKalle Valo static int iwl_mvm_mac_start(struct ieee80211_hw *hw) 1116e705c121SKalle Valo { 1117e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1118e705c121SKalle Valo int ret; 1119e705c121SKalle Valo 1120e705c121SKalle Valo mutex_lock(&mvm->mutex); 1121e705c121SKalle Valo ret = __iwl_mvm_mac_start(mvm); 1122e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1123e705c121SKalle Valo 1124e705c121SKalle Valo return ret; 1125e705c121SKalle Valo } 1126e705c121SKalle Valo 1127e705c121SKalle Valo static void iwl_mvm_restart_complete(struct iwl_mvm *mvm) 1128e705c121SKalle Valo { 1129e705c121SKalle Valo int ret; 1130e705c121SKalle Valo 1131e705c121SKalle Valo mutex_lock(&mvm->mutex); 1132e705c121SKalle Valo 1133e705c121SKalle Valo clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 11344d4183c4SEmmanuel Grumbach 1135e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, true, NULL); 1136e705c121SKalle Valo if (ret) 1137e705c121SKalle Valo IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n", 1138e705c121SKalle Valo ret); 1139e705c121SKalle Valo 1140f130bb75SMordechay Goodstein iwl_mvm_send_recovery_cmd(mvm, ERROR_RECOVERY_END_OF_RECOVERY); 1141f130bb75SMordechay Goodstein 1142e705c121SKalle Valo /* 1143e705c121SKalle Valo * If we have TDLS peers, remove them. We don't know the last seqno/PN 1144e705c121SKalle Valo * of packets the FW sent out, so we must reconnect. 1145e705c121SKalle Valo */ 1146e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 1147e705c121SKalle Valo 1148e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1149e705c121SKalle Valo } 1150e705c121SKalle Valo 1151e705c121SKalle Valo static void 1152e705c121SKalle Valo iwl_mvm_mac_reconfig_complete(struct ieee80211_hw *hw, 1153e705c121SKalle Valo enum ieee80211_reconfig_type reconfig_type) 1154e705c121SKalle Valo { 1155e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1156e705c121SKalle Valo 1157e705c121SKalle Valo switch (reconfig_type) { 1158e705c121SKalle Valo case IEEE80211_RECONFIG_TYPE_RESTART: 1159e705c121SKalle Valo iwl_mvm_restart_complete(mvm); 1160e705c121SKalle Valo break; 1161e705c121SKalle Valo case IEEE80211_RECONFIG_TYPE_SUSPEND: 1162e705c121SKalle Valo break; 1163e705c121SKalle Valo } 1164e705c121SKalle Valo } 1165e705c121SKalle Valo 1166e705c121SKalle Valo void __iwl_mvm_mac_stop(struct iwl_mvm *mvm) 1167e705c121SKalle Valo { 1168e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1169e705c121SKalle Valo 1170b68bd2e3SIlan Peer iwl_mvm_ftm_initiator_smooth_stop(mvm); 1171b68bd2e3SIlan Peer 1172e705c121SKalle Valo /* firmware counters are obviously reset now, but we shouldn't 1173e705c121SKalle Valo * partially track so also clear the fw_reset_accu counters. 1174e705c121SKalle Valo */ 1175e705c121SKalle Valo memset(&mvm->accu_radio_stats, 0, sizeof(mvm->accu_radio_stats)); 1176e705c121SKalle Valo 1177e705c121SKalle Valo /* async_handlers_wk is now blocked */ 1178e705c121SKalle Valo 11792c2c3647SNathan Errera if (iwl_fw_lookup_cmd_ver(mvm->fw, LONG_GROUP, ADD_STA, 0) < 12) 1180f327236dSSharon iwl_mvm_rm_aux_sta(mvm); 1181f327236dSSharon 1182fcb6b92aSChaya Rachel Ivgi iwl_mvm_stop_device(mvm); 1183e705c121SKalle Valo 1184e705c121SKalle Valo iwl_mvm_async_handlers_purge(mvm); 1185e705c121SKalle Valo /* async_handlers_list is empty and will stay empty: HW is stopped */ 1186e705c121SKalle Valo 1187e705c121SKalle Valo /* 1188155f7e04SEmmanuel Grumbach * Clear IN_HW_RESTART and HW_RESTART_REQUESTED flag when stopping the 1189155f7e04SEmmanuel Grumbach * hw (as restart_complete() won't be called in this case) and mac80211 1190155f7e04SEmmanuel Grumbach * won't execute the restart. 1191e705c121SKalle Valo * But make sure to cleanup interfaces that have gone down before/during 1192e705c121SKalle Valo * HW restart was requested. 1193e705c121SKalle Valo */ 1194155f7e04SEmmanuel Grumbach if (test_and_clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) || 1195155f7e04SEmmanuel Grumbach test_and_clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 1196155f7e04SEmmanuel Grumbach &mvm->status)) 1197e705c121SKalle Valo ieee80211_iterate_interfaces(mvm->hw, 0, 1198e705c121SKalle Valo iwl_mvm_cleanup_iterator, mvm); 1199e705c121SKalle Valo 1200e705c121SKalle Valo /* We shouldn't have any UIDs still set. Loop over all the UIDs to 1201e705c121SKalle Valo * make sure there's nothing left there and warn if any is found. 1202e705c121SKalle Valo */ 1203e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { 1204e705c121SKalle Valo int i; 1205e705c121SKalle Valo 1206e705c121SKalle Valo for (i = 0; i < mvm->max_scans; i++) { 1207e705c121SKalle Valo if (WARN_ONCE(mvm->scan_uid_status[i], 1208e705c121SKalle Valo "UMAC scan UID %d status was not cleaned\n", 1209e705c121SKalle Valo i)) 1210e705c121SKalle Valo mvm->scan_uid_status[i] = 0; 1211e705c121SKalle Valo } 1212e705c121SKalle Valo } 1213e705c121SKalle Valo } 1214e705c121SKalle Valo 1215e705c121SKalle Valo static void iwl_mvm_mac_stop(struct ieee80211_hw *hw) 1216e705c121SKalle Valo { 1217e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1218e705c121SKalle Valo 1219e705c121SKalle Valo flush_work(&mvm->async_handlers_wk); 122024afba76SLiad Kaufman flush_work(&mvm->add_stream_wk); 1221771147b0SJohannes Berg 1222771147b0SJohannes Berg /* 1223771147b0SJohannes Berg * Lock and clear the firmware running bit here already, so that 1224771147b0SJohannes Berg * new commands coming in elsewhere, e.g. from debugfs, will not 1225771147b0SJohannes Berg * be able to proceed. This is important here because one of those 12267174beb6SJohannes Berg * debugfs files causes the firmware dump to be triggered, and if we 1227771147b0SJohannes Berg * don't stop debugfs accesses before canceling that it could be 1228771147b0SJohannes Berg * retriggered after we flush it but before we've cleared the bit. 1229771147b0SJohannes Berg */ 1230771147b0SJohannes Berg clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1231771147b0SJohannes Berg 1232d3a108a4SAndrei Otcheretianski cancel_delayed_work_sync(&mvm->cs_tx_unblock_dwork); 123369e04642SLuca Coelho cancel_delayed_work_sync(&mvm->scan_timeout_dwork); 1234e705c121SKalle Valo 1235f9084775SNathan Errera /* 1236f9084775SNathan Errera * The work item could be running or queued if the 1237f9084775SNathan Errera * ROC time event stops just as we get here. 1238f9084775SNathan Errera */ 1239f9084775SNathan Errera flush_work(&mvm->roc_done_wk); 1240f9084775SNathan Errera 1241e705c121SKalle Valo mutex_lock(&mvm->mutex); 1242e705c121SKalle Valo __iwl_mvm_mac_stop(mvm); 1243e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1244e705c121SKalle Valo 1245e705c121SKalle Valo /* 1246e705c121SKalle Valo * The worker might have been waiting for the mutex, let it run and 1247e705c121SKalle Valo * discover that its list is now empty. 1248e705c121SKalle Valo */ 1249e705c121SKalle Valo cancel_work_sync(&mvm->async_handlers_wk); 1250e705c121SKalle Valo } 1251e705c121SKalle Valo 1252e705c121SKalle Valo static struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm) 1253e705c121SKalle Valo { 1254e705c121SKalle Valo u16 i; 1255e705c121SKalle Valo 1256e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1257e705c121SKalle Valo 1258e705c121SKalle Valo for (i = 0; i < NUM_PHY_CTX; i++) 1259e705c121SKalle Valo if (!mvm->phy_ctxts[i].ref) 1260e705c121SKalle Valo return &mvm->phy_ctxts[i]; 1261e705c121SKalle Valo 1262e705c121SKalle Valo IWL_ERR(mvm, "No available PHY context\n"); 1263e705c121SKalle Valo return NULL; 1264e705c121SKalle Valo } 1265e705c121SKalle Valo 1266e705c121SKalle Valo static int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1267e705c121SKalle Valo s16 tx_power) 1268e705c121SKalle Valo { 12690791c2fcSHaim Dreyfuss int len; 1270216cdfb5SLuca Coelho struct iwl_dev_tx_power_cmd cmd = { 1271216cdfb5SLuca Coelho .common.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_MAC), 1272216cdfb5SLuca Coelho .common.mac_context_id = 1273e705c121SKalle Valo cpu_to_le32(iwl_mvm_vif_from_mac80211(vif)->id), 1274216cdfb5SLuca Coelho .common.pwr_restriction = cpu_to_le16(8 * tx_power), 1275e705c121SKalle Valo }; 1276fbb7957dSLuca Coelho u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, LONG_GROUP, 1277e80bfd11SMordechay Goodstein REDUCE_TX_POWER_CMD, 1278e80bfd11SMordechay Goodstein IWL_FW_CMD_VER_UNKNOWN); 1279e705c121SKalle Valo 1280e705c121SKalle Valo if (tx_power == IWL_DEFAULT_MAX_TX_POWER) 1281216cdfb5SLuca Coelho cmd.common.pwr_restriction = cpu_to_le16(IWL_DEV_MAX_TX_POWER); 1282e705c121SKalle Valo 1283fbb7957dSLuca Coelho if (cmd_ver == 6) 1284fbb7957dSLuca Coelho len = sizeof(cmd.v6); 1285fbb7957dSLuca Coelho else if (fw_has_api(&mvm->fw->ucode_capa, 12860791c2fcSHaim Dreyfuss IWL_UCODE_TLV_API_REDUCE_TX_POWER)) 12870791c2fcSHaim Dreyfuss len = sizeof(cmd.v5); 12880791c2fcSHaim Dreyfuss else if (fw_has_capa(&mvm->fw->ucode_capa, 12890791c2fcSHaim Dreyfuss IWL_UCODE_TLV_CAPA_TX_POWER_ACK)) 12900791c2fcSHaim Dreyfuss len = sizeof(cmd.v4); 12910791c2fcSHaim Dreyfuss else 1292216cdfb5SLuca Coelho len = sizeof(cmd.v3); 1293216cdfb5SLuca Coelho 1294216cdfb5SLuca Coelho /* all structs have the same common part, add it */ 1295216cdfb5SLuca Coelho len += sizeof(cmd.common); 1296e705c121SKalle Valo 1297e705c121SKalle Valo return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd); 1298e705c121SKalle Valo } 1299e705c121SKalle Valo 1300f6780614SSara Sharon static int iwl_mvm_post_channel_switch(struct ieee80211_hw *hw, 1301f6780614SSara Sharon struct ieee80211_vif *vif) 1302f6780614SSara Sharon { 1303f6780614SSara Sharon struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1304f6780614SSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1305f6780614SSara Sharon int ret; 1306f6780614SSara Sharon 1307f6780614SSara Sharon mutex_lock(&mvm->mutex); 1308f6780614SSara Sharon 1309f6780614SSara Sharon if (vif->type == NL80211_IFTYPE_STATION) { 1310f6780614SSara Sharon struct iwl_mvm_sta *mvmsta; 1311f6780614SSara Sharon 1312f6780614SSara Sharon mvmvif->csa_bcn_pending = false; 1313f6780614SSara Sharon mvmsta = iwl_mvm_sta_from_staid_protected(mvm, 1314f6780614SSara Sharon mvmvif->ap_sta_id); 1315f6780614SSara Sharon 1316f6780614SSara Sharon if (WARN_ON(!mvmsta)) { 1317f6780614SSara Sharon ret = -EIO; 1318f6780614SSara Sharon goto out_unlock; 1319f6780614SSara Sharon } 1320f6780614SSara Sharon 1321f6780614SSara Sharon iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false); 1322f6780614SSara Sharon 1323f6780614SSara Sharon iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 1324f6780614SSara Sharon 13250202bcf0SEmmanuel Grumbach if (!fw_has_capa(&mvm->fw->ucode_capa, 13260202bcf0SEmmanuel Grumbach IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 1327f6780614SSara Sharon ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0); 1328f6780614SSara Sharon if (ret) 1329f6780614SSara Sharon goto out_unlock; 1330f6780614SSara Sharon 1331f6780614SSara Sharon iwl_mvm_stop_session_protection(mvm, vif); 1332f6780614SSara Sharon } 13330202bcf0SEmmanuel Grumbach } 1334f6780614SSara Sharon 1335f6780614SSara Sharon mvmvif->ps_disabled = false; 1336f6780614SSara Sharon 1337f6780614SSara Sharon ret = iwl_mvm_power_update_ps(mvm); 1338f6780614SSara Sharon 1339f6780614SSara Sharon out_unlock: 1340caf46377SSara Sharon if (mvmvif->csa_failed) 1341caf46377SSara Sharon ret = -EIO; 1342f6780614SSara Sharon mutex_unlock(&mvm->mutex); 1343f6780614SSara Sharon 1344f6780614SSara Sharon return ret; 1345f6780614SSara Sharon } 1346f6780614SSara Sharon 1347f6780614SSara Sharon static void iwl_mvm_abort_channel_switch(struct ieee80211_hw *hw, 1348f6780614SSara Sharon struct ieee80211_vif *vif) 1349f6780614SSara Sharon { 1350f6780614SSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1351f6780614SSara Sharon struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1352f6780614SSara Sharon struct iwl_chan_switch_te_cmd cmd = { 1353f6780614SSara Sharon .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 1354f6780614SSara Sharon mvmvif->color)), 1355f6780614SSara Sharon .action = cpu_to_le32(FW_CTXT_ACTION_REMOVE), 1356f6780614SSara Sharon }; 1357f6780614SSara Sharon 1358f6780614SSara Sharon IWL_DEBUG_MAC80211(mvm, "Abort CSA on mac %d\n", mvmvif->id); 1359f6780614SSara Sharon 1360f6780614SSara Sharon mutex_lock(&mvm->mutex); 136158ddd9b6SEmmanuel Grumbach if (!fw_has_capa(&mvm->fw->ucode_capa, 136258ddd9b6SEmmanuel Grumbach IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) 136358ddd9b6SEmmanuel Grumbach iwl_mvm_remove_csa_period(mvm, vif); 136458ddd9b6SEmmanuel Grumbach else 1365f6780614SSara Sharon WARN_ON(iwl_mvm_send_cmd_pdu(mvm, 1366f6780614SSara Sharon WIDE_ID(MAC_CONF_GROUP, 1367f6780614SSara Sharon CHANNEL_SWITCH_TIME_EVENT_CMD), 1368f6780614SSara Sharon 0, sizeof(cmd), &cmd)); 1369caf46377SSara Sharon mvmvif->csa_failed = true; 1370f6780614SSara Sharon mutex_unlock(&mvm->mutex); 1371f6780614SSara Sharon 1372caf46377SSara Sharon iwl_mvm_post_channel_switch(hw, vif); 1373f6780614SSara Sharon } 1374f6780614SSara Sharon 1375f6780614SSara Sharon static void iwl_mvm_channel_switch_disconnect_wk(struct work_struct *wk) 1376f6780614SSara Sharon { 1377f6780614SSara Sharon struct iwl_mvm_vif *mvmvif; 1378f6780614SSara Sharon struct ieee80211_vif *vif; 1379f6780614SSara Sharon 1380f6780614SSara Sharon mvmvif = container_of(wk, struct iwl_mvm_vif, csa_work.work); 1381f6780614SSara Sharon vif = container_of((void *)mvmvif, struct ieee80211_vif, drv_priv); 1382f6780614SSara Sharon 138370162580SShaul Triebitz /* Trigger disconnect (should clear the CSA state) */ 1384f6780614SSara Sharon ieee80211_chswitch_done(vif, false); 1385f6780614SSara Sharon } 1386f6780614SSara Sharon 1387e705c121SKalle Valo static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, 1388e705c121SKalle Valo struct ieee80211_vif *vif) 1389e705c121SKalle Valo { 1390e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1391e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1392e705c121SKalle Valo int ret; 1393e705c121SKalle Valo 1394e705c121SKalle Valo mvmvif->mvm = mvm; 139586e177d8SGregory Greenman RCU_INIT_POINTER(mvmvif->probe_resp_data, NULL); 1396e705c121SKalle Valo 1397e705c121SKalle Valo /* 1398e705c121SKalle Valo * Not much to do here. The stack will not allow interface 1399e705c121SKalle Valo * types or combinations that we didn't advertise, so we 1400e705c121SKalle Valo * don't really have to check the types. 1401e705c121SKalle Valo */ 1402e705c121SKalle Valo 1403e705c121SKalle Valo mutex_lock(&mvm->mutex); 1404e705c121SKalle Valo 1405e705c121SKalle Valo /* make sure that beacon statistics don't go backwards with FW reset */ 1406e705c121SKalle Valo if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1407e705c121SKalle Valo mvmvif->beacon_stats.accu_num_beacons += 1408e705c121SKalle Valo mvmvif->beacon_stats.num_beacons; 1409e705c121SKalle Valo 1410e705c121SKalle Valo /* Allocate resources for the MAC context, and add it to the fw */ 1411e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_init(mvm, vif); 1412e705c121SKalle Valo if (ret) 1413e705c121SKalle Valo goto out_unlock; 1414e705c121SKalle Valo 1415698478c4SSara Sharon rcu_assign_pointer(mvm->vif_id_to_mac[mvmvif->id], vif); 1416698478c4SSara Sharon 1417e705c121SKalle Valo /* Counting number of interfaces is needed for legacy PM */ 1418e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_P2P_DEVICE) 1419e705c121SKalle Valo mvm->vif_count++; 1420e705c121SKalle Valo 1421e705c121SKalle Valo /* 1422e705c121SKalle Valo * The AP binding flow can be done only after the beacon 1423e705c121SKalle Valo * template is configured (which happens only in the mac80211 1424e705c121SKalle Valo * start_ap() flow), and adding the broadcast station can happen 1425e705c121SKalle Valo * only after the binding. 1426e705c121SKalle Valo * In addition, since modifying the MAC before adding a bcast 1427e705c121SKalle Valo * station is not allowed by the FW, delay the adding of MAC context to 1428e705c121SKalle Valo * the point where we can also add the bcast station. 1429e705c121SKalle Valo * In short: there's not much we can do at this point, other than 1430e705c121SKalle Valo * allocating resources :) 1431e705c121SKalle Valo */ 1432e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP || 1433e705c121SKalle Valo vif->type == NL80211_IFTYPE_ADHOC) { 1434e705c121SKalle Valo ret = iwl_mvm_alloc_bcast_sta(mvm, vif); 1435e705c121SKalle Valo if (ret) { 1436e705c121SKalle Valo IWL_ERR(mvm, "Failed to allocate bcast sta\n"); 1437e705c121SKalle Valo goto out_release; 1438e705c121SKalle Valo } 1439e705c121SKalle Valo 144026d6c16bSSara Sharon /* 144126d6c16bSSara Sharon * Only queue for this station is the mcast queue, 144226d6c16bSSara Sharon * which shouldn't be in TFD mask anyway 144326d6c16bSSara Sharon */ 144426d6c16bSSara Sharon ret = iwl_mvm_allocate_int_sta(mvm, &mvmvif->mcast_sta, 1445ced19f26SSara Sharon 0, vif->type, 1446ced19f26SSara Sharon IWL_STA_MULTICAST); 144726d6c16bSSara Sharon if (ret) 144826d6c16bSSara Sharon goto out_release; 144926d6c16bSSara Sharon 1450e705c121SKalle Valo iwl_mvm_vif_dbgfs_register(mvm, vif); 1451e705c121SKalle Valo goto out_unlock; 1452e705c121SKalle Valo } 1453e705c121SKalle Valo 1454e705c121SKalle Valo mvmvif->features |= hw->netdev_features; 1455e705c121SKalle Valo 1456e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_add(mvm, vif); 1457e705c121SKalle Valo if (ret) 1458e705c121SKalle Valo goto out_release; 1459e705c121SKalle Valo 1460e705c121SKalle Valo ret = iwl_mvm_power_update_mac(mvm); 1461e705c121SKalle Valo if (ret) 1462e705c121SKalle Valo goto out_remove_mac; 1463e705c121SKalle Valo 1464e705c121SKalle Valo /* beacon filtering */ 1465e705c121SKalle Valo ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); 1466e705c121SKalle Valo if (ret) 1467e705c121SKalle Valo goto out_remove_mac; 1468e705c121SKalle Valo 1469e705c121SKalle Valo if (!mvm->bf_allowed_vif && 1470e705c121SKalle Valo vif->type == NL80211_IFTYPE_STATION && !vif->p2p) { 1471e705c121SKalle Valo mvm->bf_allowed_vif = mvmvif; 1472e705c121SKalle Valo vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | 1473e705c121SKalle Valo IEEE80211_VIF_SUPPORTS_CQM_RSSI; 1474e705c121SKalle Valo } 1475e705c121SKalle Valo 1476e705c121SKalle Valo /* 1477e705c121SKalle Valo * P2P_DEVICE interface does not have a channel context assigned to it, 1478e705c121SKalle Valo * so a dedicated PHY context is allocated to it and the corresponding 1479e705c121SKalle Valo * MAC context is bound to it at this stage. 1480e705c121SKalle Valo */ 1481e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1482e705c121SKalle Valo 1483e705c121SKalle Valo mvmvif->phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 1484e705c121SKalle Valo if (!mvmvif->phy_ctxt) { 1485e705c121SKalle Valo ret = -ENOSPC; 1486e705c121SKalle Valo goto out_free_bf; 1487e705c121SKalle Valo } 1488e705c121SKalle Valo 1489e705c121SKalle Valo iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt); 1490e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 1491e705c121SKalle Valo if (ret) 1492e705c121SKalle Valo goto out_unref_phy; 1493e705c121SKalle Valo 1494d197358bSLuca Coelho ret = iwl_mvm_add_p2p_bcast_sta(mvm, vif); 1495e705c121SKalle Valo if (ret) 1496e705c121SKalle Valo goto out_unbind; 1497e705c121SKalle Valo 1498e705c121SKalle Valo /* Save a pointer to p2p device vif, so it can later be used to 1499e705c121SKalle Valo * update the p2p device MAC when a GO is started/stopped */ 1500e705c121SKalle Valo mvm->p2p_device_vif = vif; 1501e705c121SKalle Valo } 1502e705c121SKalle Valo 1503b0ffe455SJohannes Berg iwl_mvm_tcm_add_vif(mvm, vif); 1504f6780614SSara Sharon INIT_DELAYED_WORK(&mvmvif->csa_work, 1505f6780614SSara Sharon iwl_mvm_channel_switch_disconnect_wk); 1506b0ffe455SJohannes Berg 1507baf41bc3SShaul Triebitz if (vif->type == NL80211_IFTYPE_MONITOR) 1508baf41bc3SShaul Triebitz mvm->monitor_on = true; 1509baf41bc3SShaul Triebitz 1510e705c121SKalle Valo iwl_mvm_vif_dbgfs_register(mvm, vif); 1511e705c121SKalle Valo goto out_unlock; 1512e705c121SKalle Valo 1513e705c121SKalle Valo out_unbind: 1514e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 1515e705c121SKalle Valo out_unref_phy: 1516e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); 1517e705c121SKalle Valo out_free_bf: 1518e705c121SKalle Valo if (mvm->bf_allowed_vif == mvmvif) { 1519e705c121SKalle Valo mvm->bf_allowed_vif = NULL; 1520e705c121SKalle Valo vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | 1521e705c121SKalle Valo IEEE80211_VIF_SUPPORTS_CQM_RSSI); 1522e705c121SKalle Valo } 1523e705c121SKalle Valo out_remove_mac: 1524e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 1525e705c121SKalle Valo iwl_mvm_mac_ctxt_remove(mvm, vif); 1526e705c121SKalle Valo out_release: 1527e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_P2P_DEVICE) 1528e705c121SKalle Valo mvm->vif_count--; 1529e705c121SKalle Valo out_unlock: 1530e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1531e705c121SKalle Valo 1532e705c121SKalle Valo return ret; 1533e705c121SKalle Valo } 1534e705c121SKalle Valo 1535e705c121SKalle Valo static void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm, 1536e705c121SKalle Valo struct ieee80211_vif *vif) 1537e705c121SKalle Valo { 1538e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1539e705c121SKalle Valo /* 1540e705c121SKalle Valo * Flush the ROC worker which will flush the OFFCHANNEL queue. 1541e705c121SKalle Valo * We assume here that all the packets sent to the OFFCHANNEL 1542e705c121SKalle Valo * queue are sent in ROC session. 1543e705c121SKalle Valo */ 1544e705c121SKalle Valo flush_work(&mvm->roc_done_wk); 1545e705c121SKalle Valo } 1546e705c121SKalle Valo } 1547e705c121SKalle Valo 1548e705c121SKalle Valo static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw, 1549e705c121SKalle Valo struct ieee80211_vif *vif) 1550e705c121SKalle Valo { 1551e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1552e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 155386e177d8SGregory Greenman struct iwl_probe_resp_data *probe_data; 1554e705c121SKalle Valo 1555e705c121SKalle Valo iwl_mvm_prepare_mac_removal(mvm, vif); 1556e705c121SKalle Valo 1557b0ffe455SJohannes Berg if (!(vif->type == NL80211_IFTYPE_AP || 1558b0ffe455SJohannes Berg vif->type == NL80211_IFTYPE_ADHOC)) 1559b0ffe455SJohannes Berg iwl_mvm_tcm_rm_vif(mvm, vif); 1560b0ffe455SJohannes Berg 1561e705c121SKalle Valo mutex_lock(&mvm->mutex); 1562e705c121SKalle Valo 156386e177d8SGregory Greenman probe_data = rcu_dereference_protected(mvmvif->probe_resp_data, 156486e177d8SGregory Greenman lockdep_is_held(&mvm->mutex)); 156586e177d8SGregory Greenman RCU_INIT_POINTER(mvmvif->probe_resp_data, NULL); 156686e177d8SGregory Greenman if (probe_data) 156786e177d8SGregory Greenman kfree_rcu(probe_data, rcu_head); 156886e177d8SGregory Greenman 1569e705c121SKalle Valo if (mvm->bf_allowed_vif == mvmvif) { 1570e705c121SKalle Valo mvm->bf_allowed_vif = NULL; 1571e705c121SKalle Valo vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | 1572e705c121SKalle Valo IEEE80211_VIF_SUPPORTS_CQM_RSSI); 1573e705c121SKalle Valo } 1574e705c121SKalle Valo 1575b73f9a4aSJohannes Berg if (vif->bss_conf.ftm_responder) 1576b73f9a4aSJohannes Berg memset(&mvm->ftm_resp_stats, 0, sizeof(mvm->ftm_resp_stats)); 1577b73f9a4aSJohannes Berg 1578e705c121SKalle Valo iwl_mvm_vif_dbgfs_clean(mvm, vif); 1579e705c121SKalle Valo 1580e705c121SKalle Valo /* 1581e705c121SKalle Valo * For AP/GO interface, the tear down of the resources allocated to the 1582e705c121SKalle Valo * interface is be handled as part of the stop_ap flow. 1583e705c121SKalle Valo */ 1584e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP || 1585e705c121SKalle Valo vif->type == NL80211_IFTYPE_ADHOC) { 1586e705c121SKalle Valo #ifdef CONFIG_NL80211_TESTMODE 1587e705c121SKalle Valo if (vif == mvm->noa_vif) { 1588e705c121SKalle Valo mvm->noa_vif = NULL; 1589e705c121SKalle Valo mvm->noa_duration = 0; 1590e705c121SKalle Valo } 1591e705c121SKalle Valo #endif 159226d6c16bSSara Sharon iwl_mvm_dealloc_int_sta(mvm, &mvmvif->mcast_sta); 1593e705c121SKalle Valo iwl_mvm_dealloc_bcast_sta(mvm, vif); 1594e705c121SKalle Valo goto out_release; 1595e705c121SKalle Valo } 1596e705c121SKalle Valo 1597e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1598e705c121SKalle Valo mvm->p2p_device_vif = NULL; 1599d197358bSLuca Coelho iwl_mvm_rm_p2p_bcast_sta(mvm, vif); 1600e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 1601e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); 1602e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 1603e705c121SKalle Valo } 1604e705c121SKalle Valo 1605e705c121SKalle Valo if (mvm->vif_count && vif->type != NL80211_IFTYPE_P2P_DEVICE) 1606e705c121SKalle Valo mvm->vif_count--; 1607e705c121SKalle Valo 1608e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 1609e705c121SKalle Valo iwl_mvm_mac_ctxt_remove(mvm, vif); 1610e705c121SKalle Valo 1611698478c4SSara Sharon RCU_INIT_POINTER(mvm->vif_id_to_mac[mvmvif->id], NULL); 1612698478c4SSara Sharon 1613baf41bc3SShaul Triebitz if (vif->type == NL80211_IFTYPE_MONITOR) 1614baf41bc3SShaul Triebitz mvm->monitor_on = false; 1615baf41bc3SShaul Triebitz 1616e705c121SKalle Valo out_release: 1617e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1618e705c121SKalle Valo } 1619e705c121SKalle Valo 1620e705c121SKalle Valo static int iwl_mvm_mac_config(struct ieee80211_hw *hw, u32 changed) 1621e705c121SKalle Valo { 1622e705c121SKalle Valo return 0; 1623e705c121SKalle Valo } 1624e705c121SKalle Valo 1625e705c121SKalle Valo struct iwl_mvm_mc_iter_data { 1626e705c121SKalle Valo struct iwl_mvm *mvm; 1627e705c121SKalle Valo int port_id; 1628e705c121SKalle Valo }; 1629e705c121SKalle Valo 1630e705c121SKalle Valo static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac, 1631e705c121SKalle Valo struct ieee80211_vif *vif) 1632e705c121SKalle Valo { 1633e705c121SKalle Valo struct iwl_mvm_mc_iter_data *data = _data; 1634e705c121SKalle Valo struct iwl_mvm *mvm = data->mvm; 1635e705c121SKalle Valo struct iwl_mcast_filter_cmd *cmd = mvm->mcast_filter_cmd; 163697bce57bSLuca Coelho struct iwl_host_cmd hcmd = { 163797bce57bSLuca Coelho .id = MCAST_FILTER_CMD, 163897bce57bSLuca Coelho .flags = CMD_ASYNC, 163997bce57bSLuca Coelho .dataflags[0] = IWL_HCMD_DFL_NOCOPY, 164097bce57bSLuca Coelho }; 1641e705c121SKalle Valo int ret, len; 1642e705c121SKalle Valo 1643e705c121SKalle Valo /* if we don't have free ports, mcast frames will be dropped */ 1644e705c121SKalle Valo if (WARN_ON_ONCE(data->port_id >= MAX_PORT_ID_NUM)) 1645e705c121SKalle Valo return; 1646e705c121SKalle Valo 1647e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_STATION || 1648e705c121SKalle Valo !vif->bss_conf.assoc) 1649e705c121SKalle Valo return; 1650e705c121SKalle Valo 1651e705c121SKalle Valo cmd->port_id = data->port_id++; 1652e705c121SKalle Valo memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN); 1653e705c121SKalle Valo len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4); 1654e705c121SKalle Valo 165597bce57bSLuca Coelho hcmd.len[0] = len; 165697bce57bSLuca Coelho hcmd.data[0] = cmd; 165797bce57bSLuca Coelho 165897bce57bSLuca Coelho ret = iwl_mvm_send_cmd(mvm, &hcmd); 1659e705c121SKalle Valo if (ret) 1660e705c121SKalle Valo IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret); 1661e705c121SKalle Valo } 1662e705c121SKalle Valo 1663e705c121SKalle Valo static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm) 1664e705c121SKalle Valo { 1665e705c121SKalle Valo struct iwl_mvm_mc_iter_data iter_data = { 1666e705c121SKalle Valo .mvm = mvm, 1667e705c121SKalle Valo }; 1668e705c121SKalle Valo 1669e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1670e705c121SKalle Valo 1671e705c121SKalle Valo if (WARN_ON_ONCE(!mvm->mcast_filter_cmd)) 1672e705c121SKalle Valo return; 1673e705c121SKalle Valo 1674e705c121SKalle Valo ieee80211_iterate_active_interfaces_atomic( 1675e705c121SKalle Valo mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 1676e705c121SKalle Valo iwl_mvm_mc_iface_iterator, &iter_data); 1677e705c121SKalle Valo } 1678e705c121SKalle Valo 1679e705c121SKalle Valo static u64 iwl_mvm_prepare_multicast(struct ieee80211_hw *hw, 1680e705c121SKalle Valo struct netdev_hw_addr_list *mc_list) 1681e705c121SKalle Valo { 1682e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1683e705c121SKalle Valo struct iwl_mcast_filter_cmd *cmd; 1684e705c121SKalle Valo struct netdev_hw_addr *addr; 1685e705c121SKalle Valo int addr_count; 1686e705c121SKalle Valo bool pass_all; 1687e705c121SKalle Valo int len; 1688e705c121SKalle Valo 1689e705c121SKalle Valo addr_count = netdev_hw_addr_list_count(mc_list); 1690e705c121SKalle Valo pass_all = addr_count > MAX_MCAST_FILTERING_ADDRESSES || 1691e705c121SKalle Valo IWL_MVM_FW_MCAST_FILTER_PASS_ALL; 1692e705c121SKalle Valo if (pass_all) 1693e705c121SKalle Valo addr_count = 0; 1694e705c121SKalle Valo 1695e705c121SKalle Valo len = roundup(sizeof(*cmd) + addr_count * ETH_ALEN, 4); 1696e705c121SKalle Valo cmd = kzalloc(len, GFP_ATOMIC); 1697e705c121SKalle Valo if (!cmd) 1698e705c121SKalle Valo return 0; 1699e705c121SKalle Valo 1700e705c121SKalle Valo if (pass_all) { 1701e705c121SKalle Valo cmd->pass_all = 1; 1702e705c121SKalle Valo return (u64)(unsigned long)cmd; 1703e705c121SKalle Valo } 1704e705c121SKalle Valo 1705e705c121SKalle Valo netdev_hw_addr_list_for_each(addr, mc_list) { 1706e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %pM\n", 1707e705c121SKalle Valo cmd->count, addr->addr); 1708e705c121SKalle Valo memcpy(&cmd->addr_list[cmd->count * ETH_ALEN], 1709e705c121SKalle Valo addr->addr, ETH_ALEN); 1710e705c121SKalle Valo cmd->count++; 1711e705c121SKalle Valo } 1712e705c121SKalle Valo 1713e705c121SKalle Valo return (u64)(unsigned long)cmd; 1714e705c121SKalle Valo } 1715e705c121SKalle Valo 1716e705c121SKalle Valo static void iwl_mvm_configure_filter(struct ieee80211_hw *hw, 1717e705c121SKalle Valo unsigned int changed_flags, 1718e705c121SKalle Valo unsigned int *total_flags, 1719e705c121SKalle Valo u64 multicast) 1720e705c121SKalle Valo { 1721e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1722e705c121SKalle Valo struct iwl_mcast_filter_cmd *cmd = (void *)(unsigned long)multicast; 1723e705c121SKalle Valo 1724e705c121SKalle Valo mutex_lock(&mvm->mutex); 1725e705c121SKalle Valo 1726e705c121SKalle Valo /* replace previous configuration */ 1727e705c121SKalle Valo kfree(mvm->mcast_filter_cmd); 1728e705c121SKalle Valo mvm->mcast_filter_cmd = cmd; 1729e705c121SKalle Valo 1730e705c121SKalle Valo if (!cmd) 1731e705c121SKalle Valo goto out; 1732e705c121SKalle Valo 173361e7d91bSLuca Coelho if (changed_flags & FIF_ALLMULTI) 173461e7d91bSLuca Coelho cmd->pass_all = !!(*total_flags & FIF_ALLMULTI); 173561e7d91bSLuca Coelho 173661e7d91bSLuca Coelho if (cmd->pass_all) 173761e7d91bSLuca Coelho cmd->count = 0; 173861e7d91bSLuca Coelho 1739e705c121SKalle Valo iwl_mvm_recalc_multicast(mvm); 1740e705c121SKalle Valo out: 1741e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1742e705c121SKalle Valo *total_flags = 0; 1743e705c121SKalle Valo } 1744e705c121SKalle Valo 1745e705c121SKalle Valo static void iwl_mvm_config_iface_filter(struct ieee80211_hw *hw, 1746e705c121SKalle Valo struct ieee80211_vif *vif, 1747e705c121SKalle Valo unsigned int filter_flags, 1748e705c121SKalle Valo unsigned int changed_flags) 1749e705c121SKalle Valo { 1750e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1751e705c121SKalle Valo 1752e705c121SKalle Valo /* We support only filter for probe requests */ 1753e705c121SKalle Valo if (!(changed_flags & FIF_PROBE_REQ)) 1754e705c121SKalle Valo return; 1755e705c121SKalle Valo 1756e705c121SKalle Valo /* Supported only for p2p client interfaces */ 1757e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_STATION || !vif->bss_conf.assoc || 1758e705c121SKalle Valo !vif->p2p) 1759e705c121SKalle Valo return; 1760e705c121SKalle Valo 1761e705c121SKalle Valo mutex_lock(&mvm->mutex); 1762e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 1763e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1764e705c121SKalle Valo } 1765e705c121SKalle Valo 1766e705c121SKalle Valo #ifdef CONFIG_IWLWIFI_BCAST_FILTERING 1767e705c121SKalle Valo struct iwl_bcast_iter_data { 1768e705c121SKalle Valo struct iwl_mvm *mvm; 1769e705c121SKalle Valo struct iwl_bcast_filter_cmd *cmd; 1770e705c121SKalle Valo u8 current_filter; 1771e705c121SKalle Valo }; 1772e705c121SKalle Valo 1773e705c121SKalle Valo static void 1774e705c121SKalle Valo iwl_mvm_set_bcast_filter(struct ieee80211_vif *vif, 1775e705c121SKalle Valo const struct iwl_fw_bcast_filter *in_filter, 1776e705c121SKalle Valo struct iwl_fw_bcast_filter *out_filter) 1777e705c121SKalle Valo { 1778e705c121SKalle Valo struct iwl_fw_bcast_filter_attr *attr; 1779e705c121SKalle Valo int i; 1780e705c121SKalle Valo 1781e705c121SKalle Valo memcpy(out_filter, in_filter, sizeof(*out_filter)); 1782e705c121SKalle Valo 1783e705c121SKalle Valo for (i = 0; i < ARRAY_SIZE(out_filter->attrs); i++) { 1784e705c121SKalle Valo attr = &out_filter->attrs[i]; 1785e705c121SKalle Valo 1786e705c121SKalle Valo if (!attr->mask) 1787e705c121SKalle Valo break; 1788e705c121SKalle Valo 1789e705c121SKalle Valo switch (attr->reserved1) { 1790e705c121SKalle Valo case cpu_to_le16(BC_FILTER_MAGIC_IP): 1791e705c121SKalle Valo if (vif->bss_conf.arp_addr_cnt != 1) { 1792e705c121SKalle Valo attr->mask = 0; 1793e705c121SKalle Valo continue; 1794e705c121SKalle Valo } 1795e705c121SKalle Valo 1796e705c121SKalle Valo attr->val = vif->bss_conf.arp_addr_list[0]; 1797e705c121SKalle Valo break; 1798e705c121SKalle Valo case cpu_to_le16(BC_FILTER_MAGIC_MAC): 1799e705c121SKalle Valo attr->val = *(__be32 *)&vif->addr[2]; 1800e705c121SKalle Valo break; 1801e705c121SKalle Valo default: 1802e705c121SKalle Valo break; 1803e705c121SKalle Valo } 1804e705c121SKalle Valo attr->reserved1 = 0; 1805e705c121SKalle Valo out_filter->num_attrs++; 1806e705c121SKalle Valo } 1807e705c121SKalle Valo } 1808e705c121SKalle Valo 1809e705c121SKalle Valo static void iwl_mvm_bcast_filter_iterator(void *_data, u8 *mac, 1810e705c121SKalle Valo struct ieee80211_vif *vif) 1811e705c121SKalle Valo { 1812e705c121SKalle Valo struct iwl_bcast_iter_data *data = _data; 1813e705c121SKalle Valo struct iwl_mvm *mvm = data->mvm; 1814e705c121SKalle Valo struct iwl_bcast_filter_cmd *cmd = data->cmd; 1815e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1816e705c121SKalle Valo struct iwl_fw_bcast_mac *bcast_mac; 1817e705c121SKalle Valo int i; 1818e705c121SKalle Valo 1819e705c121SKalle Valo if (WARN_ON(mvmvif->id >= ARRAY_SIZE(cmd->macs))) 1820e705c121SKalle Valo return; 1821e705c121SKalle Valo 1822e705c121SKalle Valo bcast_mac = &cmd->macs[mvmvif->id]; 1823e705c121SKalle Valo 1824e705c121SKalle Valo /* 1825e705c121SKalle Valo * enable filtering only for associated stations, but not for P2P 1826e705c121SKalle Valo * Clients 1827e705c121SKalle Valo */ 1828e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_STATION || vif->p2p || 1829e705c121SKalle Valo !vif->bss_conf.assoc) 1830e705c121SKalle Valo return; 1831e705c121SKalle Valo 1832e705c121SKalle Valo bcast_mac->default_discard = 1; 1833e705c121SKalle Valo 1834e705c121SKalle Valo /* copy all configured filters */ 1835e705c121SKalle Valo for (i = 0; mvm->bcast_filters[i].attrs[0].mask; i++) { 1836e705c121SKalle Valo /* 1837e705c121SKalle Valo * Make sure we don't exceed our filters limit. 1838e705c121SKalle Valo * if there is still a valid filter to be configured, 1839e705c121SKalle Valo * be on the safe side and just allow bcast for this mac. 1840e705c121SKalle Valo */ 1841e705c121SKalle Valo if (WARN_ON_ONCE(data->current_filter >= 1842e705c121SKalle Valo ARRAY_SIZE(cmd->filters))) { 1843e705c121SKalle Valo bcast_mac->default_discard = 0; 1844e705c121SKalle Valo bcast_mac->attached_filters = 0; 1845e705c121SKalle Valo break; 1846e705c121SKalle Valo } 1847e705c121SKalle Valo 1848e705c121SKalle Valo iwl_mvm_set_bcast_filter(vif, 1849e705c121SKalle Valo &mvm->bcast_filters[i], 1850e705c121SKalle Valo &cmd->filters[data->current_filter]); 1851e705c121SKalle Valo 1852e705c121SKalle Valo /* skip current filter if it contains no attributes */ 1853e705c121SKalle Valo if (!cmd->filters[data->current_filter].num_attrs) 1854e705c121SKalle Valo continue; 1855e705c121SKalle Valo 1856e705c121SKalle Valo /* attach the filter to current mac */ 1857e705c121SKalle Valo bcast_mac->attached_filters |= 1858e705c121SKalle Valo cpu_to_le16(BIT(data->current_filter)); 1859e705c121SKalle Valo 1860e705c121SKalle Valo data->current_filter++; 1861e705c121SKalle Valo } 1862e705c121SKalle Valo } 1863e705c121SKalle Valo 1864e705c121SKalle Valo bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm, 1865e705c121SKalle Valo struct iwl_bcast_filter_cmd *cmd) 1866e705c121SKalle Valo { 1867e705c121SKalle Valo struct iwl_bcast_iter_data iter_data = { 1868e705c121SKalle Valo .mvm = mvm, 1869e705c121SKalle Valo .cmd = cmd, 1870e705c121SKalle Valo }; 1871e705c121SKalle Valo 1872e705c121SKalle Valo if (IWL_MVM_FW_BCAST_FILTER_PASS_ALL) 1873e705c121SKalle Valo return false; 1874e705c121SKalle Valo 1875e705c121SKalle Valo memset(cmd, 0, sizeof(*cmd)); 1876e705c121SKalle Valo cmd->max_bcast_filters = ARRAY_SIZE(cmd->filters); 1877e705c121SKalle Valo cmd->max_macs = ARRAY_SIZE(cmd->macs); 1878e705c121SKalle Valo 1879e705c121SKalle Valo #ifdef CONFIG_IWLWIFI_DEBUGFS 1880e705c121SKalle Valo /* use debugfs filters/macs if override is configured */ 1881e705c121SKalle Valo if (mvm->dbgfs_bcast_filtering.override) { 1882e705c121SKalle Valo memcpy(cmd->filters, &mvm->dbgfs_bcast_filtering.cmd.filters, 1883e705c121SKalle Valo sizeof(cmd->filters)); 1884e705c121SKalle Valo memcpy(cmd->macs, &mvm->dbgfs_bcast_filtering.cmd.macs, 1885e705c121SKalle Valo sizeof(cmd->macs)); 1886e705c121SKalle Valo return true; 1887e705c121SKalle Valo } 1888e705c121SKalle Valo #endif 1889e705c121SKalle Valo 1890e705c121SKalle Valo /* if no filters are configured, do nothing */ 1891e705c121SKalle Valo if (!mvm->bcast_filters) 1892e705c121SKalle Valo return false; 1893e705c121SKalle Valo 1894e705c121SKalle Valo /* configure and attach these filters for each associated sta vif */ 1895e705c121SKalle Valo ieee80211_iterate_active_interfaces( 1896e705c121SKalle Valo mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 1897e705c121SKalle Valo iwl_mvm_bcast_filter_iterator, &iter_data); 1898e705c121SKalle Valo 1899e705c121SKalle Valo return true; 1900e705c121SKalle Valo } 190134672bb3SEliad Peller 190234672bb3SEliad Peller static int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm) 1903e705c121SKalle Valo { 1904e705c121SKalle Valo struct iwl_bcast_filter_cmd cmd; 1905e705c121SKalle Valo 1906e705c121SKalle Valo if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING)) 1907e705c121SKalle Valo return 0; 1908e705c121SKalle Valo 1909e705c121SKalle Valo if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) 1910e705c121SKalle Valo return 0; 1911e705c121SKalle Valo 1912e705c121SKalle Valo return iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0, 1913e705c121SKalle Valo sizeof(cmd), &cmd); 1914e705c121SKalle Valo } 1915e705c121SKalle Valo #else 191634672bb3SEliad Peller static inline int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm) 1917e705c121SKalle Valo { 1918e705c121SKalle Valo return 0; 1919e705c121SKalle Valo } 1920e705c121SKalle Valo #endif 1921e705c121SKalle Valo 1922a07a8f37SSara Sharon static int iwl_mvm_update_mu_groups(struct iwl_mvm *mvm, 1923a07a8f37SSara Sharon struct ieee80211_vif *vif) 1924a07a8f37SSara Sharon { 1925a07a8f37SSara Sharon struct iwl_mu_group_mgmt_cmd cmd = {}; 1926a07a8f37SSara Sharon 1927a07a8f37SSara Sharon memcpy(cmd.membership_status, vif->bss_conf.mu_group.membership, 1928a07a8f37SSara Sharon WLAN_MEMBERSHIP_LEN); 1929a07a8f37SSara Sharon memcpy(cmd.user_position, vif->bss_conf.mu_group.position, 1930a07a8f37SSara Sharon WLAN_USER_POSITION_LEN); 1931a07a8f37SSara Sharon 1932a07a8f37SSara Sharon return iwl_mvm_send_cmd_pdu(mvm, 1933a07a8f37SSara Sharon WIDE_ID(DATA_PATH_GROUP, 1934a07a8f37SSara Sharon UPDATE_MU_GROUPS_CMD), 1935a07a8f37SSara Sharon 0, sizeof(cmd), &cmd); 1936a07a8f37SSara Sharon } 1937a07a8f37SSara Sharon 1938f92659a1SSara Sharon static void iwl_mvm_mu_mimo_iface_iterator(void *_data, u8 *mac, 1939f92659a1SSara Sharon struct ieee80211_vif *vif) 1940f92659a1SSara Sharon { 1941f92659a1SSara Sharon if (vif->mu_mimo_owner) { 1942f92659a1SSara Sharon struct iwl_mu_group_mgmt_notif *notif = _data; 1943f92659a1SSara Sharon 1944f92659a1SSara Sharon /* 1945f92659a1SSara Sharon * MU-MIMO Group Id action frame is little endian. We treat 1946f92659a1SSara Sharon * the data received from firmware as if it came from the 1947f92659a1SSara Sharon * action frame, so no conversion is needed. 1948f92659a1SSara Sharon */ 1949f92659a1SSara Sharon ieee80211_update_mu_groups(vif, 1950f92659a1SSara Sharon (u8 *)¬if->membership_status, 1951f92659a1SSara Sharon (u8 *)¬if->user_position); 1952f92659a1SSara Sharon } 1953f92659a1SSara Sharon } 1954f92659a1SSara Sharon 1955f92659a1SSara Sharon void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm, 1956f92659a1SSara Sharon struct iwl_rx_cmd_buffer *rxb) 1957f92659a1SSara Sharon { 1958f92659a1SSara Sharon struct iwl_rx_packet *pkt = rxb_addr(rxb); 1959f92659a1SSara Sharon struct iwl_mu_group_mgmt_notif *notif = (void *)pkt->data; 1960f92659a1SSara Sharon 1961f92659a1SSara Sharon ieee80211_iterate_active_interfaces_atomic( 1962f92659a1SSara Sharon mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 1963f92659a1SSara Sharon iwl_mvm_mu_mimo_iface_iterator, notif); 1964f92659a1SSara Sharon } 1965f92659a1SSara Sharon 1966514c3069SLuca Coelho static u8 iwl_mvm_he_get_ppe_val(u8 *ppe, u8 ppe_pos_bit) 1967514c3069SLuca Coelho { 1968514c3069SLuca Coelho u8 byte_num = ppe_pos_bit / 8; 1969514c3069SLuca Coelho u8 bit_num = ppe_pos_bit % 8; 1970514c3069SLuca Coelho u8 residue_bits; 1971514c3069SLuca Coelho u8 res; 1972514c3069SLuca Coelho 1973514c3069SLuca Coelho if (bit_num <= 5) 1974514c3069SLuca Coelho return (ppe[byte_num] >> bit_num) & 1975514c3069SLuca Coelho (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE) - 1); 1976514c3069SLuca Coelho 1977514c3069SLuca Coelho /* 1978514c3069SLuca Coelho * If bit_num > 5, we have to combine bits with next byte. 1979514c3069SLuca Coelho * Calculate how many bits we need to take from current byte (called 1980514c3069SLuca Coelho * here "residue_bits"), and add them to bits from next byte. 1981514c3069SLuca Coelho */ 1982514c3069SLuca Coelho 1983514c3069SLuca Coelho residue_bits = 8 - bit_num; 1984514c3069SLuca Coelho 1985514c3069SLuca Coelho res = (ppe[byte_num + 1] & 1986514c3069SLuca Coelho (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE - residue_bits) - 1)) << 1987514c3069SLuca Coelho residue_bits; 1988514c3069SLuca Coelho res += (ppe[byte_num] >> bit_num) & (BIT(residue_bits) - 1); 1989514c3069SLuca Coelho 1990514c3069SLuca Coelho return res; 1991514c3069SLuca Coelho } 1992514c3069SLuca Coelho 1993514c3069SLuca Coelho static void iwl_mvm_cfg_he_sta(struct iwl_mvm *mvm, 1994514c3069SLuca Coelho struct ieee80211_vif *vif, u8 sta_id) 1995514c3069SLuca Coelho { 1996514c3069SLuca Coelho struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1997514c3069SLuca Coelho struct iwl_he_sta_context_cmd sta_ctxt_cmd = { 1998514c3069SLuca Coelho .sta_id = sta_id, 1999514c3069SLuca Coelho .tid_limit = IWL_MAX_TID_COUNT, 2000dd56e902SJohn Crispin .bss_color = vif->bss_conf.he_bss_color.color, 2001514c3069SLuca Coelho .htc_trig_based_pkt_ext = vif->bss_conf.htc_trig_based_pkt_ext, 2002514c3069SLuca Coelho .frame_time_rts_th = 2003514c3069SLuca Coelho cpu_to_le16(vif->bss_conf.frame_time_rts_th), 2004514c3069SLuca Coelho }; 2005d14ae796SSara Sharon int size = fw_has_api(&mvm->fw->ucode_capa, 2006d14ae796SSara Sharon IWL_UCODE_TLV_API_MBSSID_HE) ? 2007d14ae796SSara Sharon sizeof(sta_ctxt_cmd) : 2008d14ae796SSara Sharon sizeof(struct iwl_he_sta_context_cmd_v1); 2009514c3069SLuca Coelho struct ieee80211_sta *sta; 2010514c3069SLuca Coelho u32 flags; 2011514c3069SLuca Coelho int i; 2012ee1a02d7SShaul Triebitz const struct ieee80211_sta_he_cap *own_he_cap = NULL; 2013ee1a02d7SShaul Triebitz struct ieee80211_chanctx_conf *chanctx_conf; 2014ee1a02d7SShaul Triebitz const struct ieee80211_supported_band *sband; 2015514c3069SLuca Coelho 2016514c3069SLuca Coelho rcu_read_lock(); 2017514c3069SLuca Coelho 2018ee1a02d7SShaul Triebitz chanctx_conf = rcu_dereference(vif->chanctx_conf); 2019ee1a02d7SShaul Triebitz if (WARN_ON(!chanctx_conf)) { 2020ee1a02d7SShaul Triebitz rcu_read_unlock(); 2021ee1a02d7SShaul Triebitz return; 2022ee1a02d7SShaul Triebitz } 2023ee1a02d7SShaul Triebitz 2024ee1a02d7SShaul Triebitz sband = mvm->hw->wiphy->bands[chanctx_conf->def.chan->band]; 2025*4e6b69ecSJohannes Berg own_he_cap = ieee80211_get_he_iftype_cap(sband, 2026*4e6b69ecSJohannes Berg ieee80211_vif_type_p2p(vif)); 2027ee1a02d7SShaul Triebitz 2028514c3069SLuca Coelho sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_ctxt_cmd.sta_id]); 202912d47f0eSAndrei Otcheretianski if (IS_ERR_OR_NULL(sta)) { 2030514c3069SLuca Coelho rcu_read_unlock(); 2031514c3069SLuca Coelho WARN(1, "Can't find STA to configure HE\n"); 2032514c3069SLuca Coelho return; 2033514c3069SLuca Coelho } 2034514c3069SLuca Coelho 2035514c3069SLuca Coelho if (!sta->he_cap.has_he) { 2036514c3069SLuca Coelho rcu_read_unlock(); 2037514c3069SLuca Coelho return; 2038514c3069SLuca Coelho } 2039514c3069SLuca Coelho 2040514c3069SLuca Coelho flags = 0; 2041514c3069SLuca Coelho 20424f58121dSIlan Peer /* Block 26-tone RU OFDMA transmissions */ 20434f58121dSIlan Peer if (mvmvif->he_ru_2mhz_block) 20444f58121dSIlan Peer flags |= STA_CTXT_HE_RU_2MHZ_BLOCK; 20454f58121dSIlan Peer 2046514c3069SLuca Coelho /* HTC flags */ 2047514c3069SLuca Coelho if (sta->he_cap.he_cap_elem.mac_cap_info[0] & 2048514c3069SLuca Coelho IEEE80211_HE_MAC_CAP0_HTC_HE) 2049514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_SUPPORT); 2050514c3069SLuca Coelho if ((sta->he_cap.he_cap_elem.mac_cap_info[1] & 2051514c3069SLuca Coelho IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION) || 2052514c3069SLuca Coelho (sta->he_cap.he_cap_elem.mac_cap_info[2] & 2053514c3069SLuca Coelho IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION)) { 2054514c3069SLuca Coelho u8 link_adap = 2055514c3069SLuca Coelho ((sta->he_cap.he_cap_elem.mac_cap_info[2] & 2056514c3069SLuca Coelho IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION) << 1) + 2057514c3069SLuca Coelho (sta->he_cap.he_cap_elem.mac_cap_info[1] & 2058514c3069SLuca Coelho IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION); 2059514c3069SLuca Coelho 2060514c3069SLuca Coelho if (link_adap == 2) 2061514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= 2062514c3069SLuca Coelho cpu_to_le32(IWL_HE_HTC_LINK_ADAP_UNSOLICITED); 2063514c3069SLuca Coelho else if (link_adap == 3) 2064514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= 2065514c3069SLuca Coelho cpu_to_le32(IWL_HE_HTC_LINK_ADAP_BOTH); 2066514c3069SLuca Coelho } 2067514c3069SLuca Coelho if (sta->he_cap.he_cap_elem.mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_BSR) 2068514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_BSR_SUPP); 2069514c3069SLuca Coelho if (sta->he_cap.he_cap_elem.mac_cap_info[3] & 2070514c3069SLuca Coelho IEEE80211_HE_MAC_CAP3_OMI_CONTROL) 2071514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_OMI_SUPP); 2072514c3069SLuca Coelho if (sta->he_cap.he_cap_elem.mac_cap_info[4] & IEEE80211_HE_MAC_CAP4_BQR) 2073514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_BQR_SUPP); 2074514c3069SLuca Coelho 2075189b8d44SNaftali Goldstein /* 2076189b8d44SNaftali Goldstein * Initialize the PPE thresholds to "None" (7), as described in Table 2077189b8d44SNaftali Goldstein * 9-262ac of 80211.ax/D3.0. 2078189b8d44SNaftali Goldstein */ 2079189b8d44SNaftali Goldstein memset(&sta_ctxt_cmd.pkt_ext, 7, sizeof(sta_ctxt_cmd.pkt_ext)); 2080189b8d44SNaftali Goldstein 2081189b8d44SNaftali Goldstein /* If PPE Thresholds exist, parse them into a FW-familiar format. */ 2082514c3069SLuca Coelho if (sta->he_cap.he_cap_elem.phy_cap_info[6] & 2083514c3069SLuca Coelho IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 2084514c3069SLuca Coelho u8 nss = (sta->he_cap.ppe_thres[0] & 2085514c3069SLuca Coelho IEEE80211_PPE_THRES_NSS_MASK) + 1; 2086514c3069SLuca Coelho u8 ru_index_bitmap = 2087514c3069SLuca Coelho (sta->he_cap.ppe_thres[0] & 2088514c3069SLuca Coelho IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK) >> 2089514c3069SLuca Coelho IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS; 2090514c3069SLuca Coelho u8 *ppe = &sta->he_cap.ppe_thres[0]; 2091514c3069SLuca Coelho u8 ppe_pos_bit = 7; /* Starting after PPE header */ 2092514c3069SLuca Coelho 2093514c3069SLuca Coelho /* 2094514c3069SLuca Coelho * FW currently supports only nss == MAX_HE_SUPP_NSS 2095514c3069SLuca Coelho * 2096514c3069SLuca Coelho * If nss > MAX: we can ignore values we don't support 2097514c3069SLuca Coelho * If nss < MAX: we can set zeros in other streams 2098514c3069SLuca Coelho */ 2099514c3069SLuca Coelho if (nss > MAX_HE_SUPP_NSS) { 2100514c3069SLuca Coelho IWL_INFO(mvm, "Got NSS = %d - trimming to %d\n", nss, 2101514c3069SLuca Coelho MAX_HE_SUPP_NSS); 2102514c3069SLuca Coelho nss = MAX_HE_SUPP_NSS; 2103514c3069SLuca Coelho } 2104514c3069SLuca Coelho 2105514c3069SLuca Coelho for (i = 0; i < nss; i++) { 2106514c3069SLuca Coelho u8 ru_index_tmp = ru_index_bitmap << 1; 2107514c3069SLuca Coelho u8 bw; 2108514c3069SLuca Coelho 2109514c3069SLuca Coelho for (bw = 0; bw < MAX_HE_CHANNEL_BW_INDX; bw++) { 2110514c3069SLuca Coelho ru_index_tmp >>= 1; 2111514c3069SLuca Coelho if (!(ru_index_tmp & 1)) 2112514c3069SLuca Coelho continue; 2113514c3069SLuca Coelho 2114514c3069SLuca Coelho sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw][1] = 2115514c3069SLuca Coelho iwl_mvm_he_get_ppe_val(ppe, 2116514c3069SLuca Coelho ppe_pos_bit); 2117514c3069SLuca Coelho ppe_pos_bit += 2118514c3069SLuca Coelho IEEE80211_PPE_THRES_INFO_PPET_SIZE; 2119514c3069SLuca Coelho sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw][0] = 2120514c3069SLuca Coelho iwl_mvm_he_get_ppe_val(ppe, 2121514c3069SLuca Coelho ppe_pos_bit); 2122514c3069SLuca Coelho ppe_pos_bit += 2123514c3069SLuca Coelho IEEE80211_PPE_THRES_INFO_PPET_SIZE; 2124514c3069SLuca Coelho } 2125514c3069SLuca Coelho } 2126514c3069SLuca Coelho 2127514c3069SLuca Coelho flags |= STA_CTXT_HE_PACKET_EXT; 212877ff2c6bSLiad Kaufman } else if ((sta->he_cap.he_cap_elem.phy_cap_info[9] & 212977ff2c6bSLiad Kaufman IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK) != 213077ff2c6bSLiad Kaufman IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_RESERVED) { 213177ff2c6bSLiad Kaufman int low_th = -1; 213277ff2c6bSLiad Kaufman int high_th = -1; 213377ff2c6bSLiad Kaufman 213477ff2c6bSLiad Kaufman /* Take the PPE thresholds from the nominal padding info */ 213577ff2c6bSLiad Kaufman switch (sta->he_cap.he_cap_elem.phy_cap_info[9] & 213677ff2c6bSLiad Kaufman IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK) { 213777ff2c6bSLiad Kaufman case IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_0US: 213877ff2c6bSLiad Kaufman low_th = IWL_HE_PKT_EXT_NONE; 213977ff2c6bSLiad Kaufman high_th = IWL_HE_PKT_EXT_NONE; 214077ff2c6bSLiad Kaufman break; 214177ff2c6bSLiad Kaufman case IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_8US: 214277ff2c6bSLiad Kaufman low_th = IWL_HE_PKT_EXT_BPSK; 214377ff2c6bSLiad Kaufman high_th = IWL_HE_PKT_EXT_NONE; 214477ff2c6bSLiad Kaufman break; 214577ff2c6bSLiad Kaufman case IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US: 214677ff2c6bSLiad Kaufman low_th = IWL_HE_PKT_EXT_NONE; 214777ff2c6bSLiad Kaufman high_th = IWL_HE_PKT_EXT_BPSK; 214877ff2c6bSLiad Kaufman break; 214977ff2c6bSLiad Kaufman } 215077ff2c6bSLiad Kaufman 215177ff2c6bSLiad Kaufman /* Set the PPE thresholds accordingly */ 215277ff2c6bSLiad Kaufman if (low_th >= 0 && high_th >= 0) { 21530bfefe2fSLiad Kaufman struct iwl_he_pkt_ext *pkt_ext = 21540bfefe2fSLiad Kaufman (struct iwl_he_pkt_ext *)&sta_ctxt_cmd.pkt_ext; 215577ff2c6bSLiad Kaufman 215677ff2c6bSLiad Kaufman for (i = 0; i < MAX_HE_SUPP_NSS; i++) { 215777ff2c6bSLiad Kaufman u8 bw; 215877ff2c6bSLiad Kaufman 215977ff2c6bSLiad Kaufman for (bw = 0; bw < MAX_HE_CHANNEL_BW_INDX; 216077ff2c6bSLiad Kaufman bw++) { 21610bfefe2fSLiad Kaufman pkt_ext->pkt_ext_qam_th[i][bw][0] = 21620bfefe2fSLiad Kaufman low_th; 21630bfefe2fSLiad Kaufman pkt_ext->pkt_ext_qam_th[i][bw][1] = 21640bfefe2fSLiad Kaufman high_th; 216577ff2c6bSLiad Kaufman } 216677ff2c6bSLiad Kaufman } 216777ff2c6bSLiad Kaufman 216877ff2c6bSLiad Kaufman flags |= STA_CTXT_HE_PACKET_EXT; 216977ff2c6bSLiad Kaufman } 2170514c3069SLuca Coelho } 217173f23d91SShaul Triebitz 217273f23d91SShaul Triebitz if (sta->he_cap.he_cap_elem.mac_cap_info[2] & 217373f23d91SShaul Triebitz IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP) 217473f23d91SShaul Triebitz flags |= STA_CTXT_HE_32BIT_BA_BITMAP; 217573f23d91SShaul Triebitz 217673f23d91SShaul Triebitz if (sta->he_cap.he_cap_elem.mac_cap_info[2] & 217773f23d91SShaul Triebitz IEEE80211_HE_MAC_CAP2_ACK_EN) 217873f23d91SShaul Triebitz flags |= STA_CTXT_HE_ACK_ENABLED; 217973f23d91SShaul Triebitz 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 2205514c3069SLuca Coelho if (vif->bss_conf.uora_exists) { 2206514c3069SLuca Coelho flags |= STA_CTXT_HE_TRIG_RND_ALLOC; 2207514c3069SLuca Coelho 2208514c3069SLuca Coelho sta_ctxt_cmd.rand_alloc_ecwmin = 2209514c3069SLuca Coelho vif->bss_conf.uora_ocw_range & 0x7; 2210514c3069SLuca Coelho sta_ctxt_cmd.rand_alloc_ecwmax = 2211514c3069SLuca Coelho (vif->bss_conf.uora_ocw_range >> 3) & 0x7; 2212514c3069SLuca Coelho } 2213514c3069SLuca Coelho 2214ee1a02d7SShaul Triebitz if (own_he_cap && !(own_he_cap->he_cap_elem.mac_cap_info[2] & 2215ee1a02d7SShaul Triebitz IEEE80211_HE_MAC_CAP2_ACK_EN)) 2216ee1a02d7SShaul Triebitz flags |= STA_CTXT_HE_NIC_NOT_ACK_ENABLED; 2217ee1a02d7SShaul Triebitz 2218918cbf39SSara Sharon if (vif->bss_conf.nontransmitted) { 2219918cbf39SSara Sharon flags |= STA_CTXT_HE_REF_BSSID_VALID; 2220918cbf39SSara Sharon ether_addr_copy(sta_ctxt_cmd.ref_bssid_addr, 2221918cbf39SSara Sharon vif->bss_conf.transmitter_bssid); 2222d14ae796SSara Sharon sta_ctxt_cmd.max_bssid_indicator = 2223d14ae796SSara Sharon vif->bss_conf.bssid_indicator; 2224d14ae796SSara Sharon sta_ctxt_cmd.bssid_index = vif->bss_conf.bssid_index; 2225d14ae796SSara Sharon sta_ctxt_cmd.ema_ap = vif->bss_conf.ema_ap; 2226d14ae796SSara Sharon sta_ctxt_cmd.profile_periodicity = 2227d14ae796SSara Sharon vif->bss_conf.profile_periodicity; 2228918cbf39SSara Sharon } 2229514c3069SLuca Coelho 2230514c3069SLuca Coelho sta_ctxt_cmd.flags = cpu_to_le32(flags); 2231514c3069SLuca Coelho 2232514c3069SLuca Coelho if (iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(STA_HE_CTXT_CMD, 2233514c3069SLuca Coelho DATA_PATH_GROUP, 0), 2234d14ae796SSara Sharon 0, size, &sta_ctxt_cmd)) 2235514c3069SLuca Coelho IWL_ERR(mvm, "Failed to config FW to work HE!\n"); 2236514c3069SLuca Coelho } 2237514c3069SLuca Coelho 2238e705c121SKalle Valo static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, 2239e705c121SKalle Valo struct ieee80211_vif *vif, 2240e705c121SKalle Valo struct ieee80211_bss_conf *bss_conf, 2241e705c121SKalle Valo u32 changes) 2242e705c121SKalle Valo { 2243e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2244e705c121SKalle Valo int ret; 2245e705c121SKalle Valo 2246e705c121SKalle Valo /* 2247cdaba917SEmmanuel Grumbach * Re-calculate the tsf id, as the leader-follower relations depend 2248cdaba917SEmmanuel Grumbach * on the beacon interval, which was not known when the station 2249cdaba917SEmmanuel Grumbach * interface was added. 2250e705c121SKalle Valo */ 2251514c3069SLuca Coelho if (changes & BSS_CHANGED_ASSOC && bss_conf->assoc) { 2252230ba6c5SLuca Coelho if (vif->bss_conf.he_support && 2253230ba6c5SLuca Coelho !iwlwifi_mod_params.disable_11ax) 2254514c3069SLuca Coelho iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->ap_sta_id); 2255514c3069SLuca Coelho 2256e705c121SKalle Valo iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); 2257514c3069SLuca Coelho } 2258e705c121SKalle Valo 225940ecdd01SShaul Triebitz /* Update MU EDCA params */ 226040ecdd01SShaul Triebitz if (changes & BSS_CHANGED_QOS && mvmvif->associated && 226140ecdd01SShaul Triebitz bss_conf->assoc && vif->bss_conf.he_support && 226240ecdd01SShaul Triebitz !iwlwifi_mod_params.disable_11ax) 226340ecdd01SShaul Triebitz iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->ap_sta_id); 226440ecdd01SShaul Triebitz 2265e705c121SKalle Valo /* 2266e705c121SKalle Valo * If we're not associated yet, take the (new) BSSID before associating 2267e705c121SKalle Valo * so the firmware knows. If we're already associated, then use the old 2268e705c121SKalle Valo * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC 2269e705c121SKalle Valo * branch for disassociation below. 2270e705c121SKalle Valo */ 2271e705c121SKalle Valo if (changes & BSS_CHANGED_BSSID && !mvmvif->associated) 2272e705c121SKalle Valo memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN); 2273e705c121SKalle Valo 2274e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, mvmvif->bssid); 2275e705c121SKalle Valo if (ret) 2276e705c121SKalle Valo IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); 2277e705c121SKalle Valo 2278e705c121SKalle Valo /* after sending it once, adopt mac80211 data */ 2279e705c121SKalle Valo memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN); 2280e705c121SKalle Valo mvmvif->associated = bss_conf->assoc; 2281e705c121SKalle Valo 2282e705c121SKalle Valo if (changes & BSS_CHANGED_ASSOC) { 2283e705c121SKalle Valo if (bss_conf->assoc) { 2284e705c121SKalle Valo /* clear statistics to get clean beacon counter */ 2285e705c121SKalle Valo iwl_mvm_request_statistics(mvm, true); 2286e705c121SKalle Valo memset(&mvmvif->beacon_stats, 0, 2287e705c121SKalle Valo sizeof(mvmvif->beacon_stats)); 2288e705c121SKalle Valo 2289e705c121SKalle Valo /* add quota for this interface */ 2290e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, true, NULL); 2291e705c121SKalle Valo if (ret) { 2292e705c121SKalle Valo IWL_ERR(mvm, "failed to update quotas\n"); 2293e705c121SKalle Valo return; 2294e705c121SKalle Valo } 2295e705c121SKalle Valo 2296e705c121SKalle Valo if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 2297fe959c7bSEmmanuel Grumbach &mvm->status) && 2298fe959c7bSEmmanuel Grumbach !fw_has_capa(&mvm->fw->ucode_capa, 2299fe959c7bSEmmanuel Grumbach IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) { 2300e705c121SKalle Valo /* 2301e705c121SKalle Valo * If we're restarting then the firmware will 2302e705c121SKalle Valo * obviously have lost synchronisation with 2303e705c121SKalle Valo * the AP. It will attempt to synchronise by 2304e705c121SKalle Valo * itself, but we can make it more reliable by 2305e705c121SKalle Valo * scheduling a session protection time event. 2306e705c121SKalle Valo * 2307e705c121SKalle Valo * The firmware needs to receive a beacon to 2308e705c121SKalle Valo * catch up with synchronisation, use 110% of 2309e705c121SKalle Valo * the beacon interval. 2310e705c121SKalle Valo * 2311e705c121SKalle Valo * Set a large maximum delay to allow for more 2312e705c121SKalle Valo * than a single interface. 2313fe959c7bSEmmanuel Grumbach * 2314fe959c7bSEmmanuel Grumbach * For new firmware versions, rely on the 2315fe959c7bSEmmanuel Grumbach * firmware. This is relevant for DCM scenarios 2316fe959c7bSEmmanuel Grumbach * only anyway. 2317e705c121SKalle Valo */ 2318e705c121SKalle Valo u32 dur = (11 * vif->bss_conf.beacon_int) / 10; 2319e705c121SKalle Valo iwl_mvm_protect_session(mvm, vif, dur, dur, 2320e705c121SKalle Valo 5 * dur, false); 2321e705c121SKalle Valo } 2322e705c121SKalle Valo 2323e705c121SKalle Valo iwl_mvm_sf_update(mvm, vif, false); 2324e705c121SKalle Valo iwl_mvm_power_vif_assoc(mvm, vif); 2325e705c121SKalle Valo if (vif->p2p) { 2326e705c121SKalle Valo iwl_mvm_update_smps(mvm, vif, 2327e705c121SKalle Valo IWL_MVM_SMPS_REQ_PROT, 2328e705c121SKalle Valo IEEE80211_SMPS_DYNAMIC); 2329e705c121SKalle Valo } 23300ae98812SSara Sharon } else if (mvmvif->ap_sta_id != IWL_MVM_INVALID_STA) { 2331e705c121SKalle Valo /* 2332e705c121SKalle Valo * If update fails - SF might be running in associated 2333e705c121SKalle Valo * mode while disassociated - which is forbidden. 2334e705c121SKalle Valo */ 233569e508b4SIlan Peer ret = iwl_mvm_sf_update(mvm, vif, false); 233669e508b4SIlan Peer WARN_ONCE(ret && 233769e508b4SIlan Peer !test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 233869e508b4SIlan Peer &mvm->status), 2339e705c121SKalle Valo "Failed to update SF upon disassociation\n"); 2340e705c121SKalle Valo 23416b28f978SEmmanuel Grumbach /* 23426b28f978SEmmanuel Grumbach * If we get an assert during the connection (after the 23436b28f978SEmmanuel Grumbach * station has been added, but before the vif is set 23446b28f978SEmmanuel Grumbach * to associated), mac80211 will re-add the station and 23456b28f978SEmmanuel Grumbach * then configure the vif. Since the vif is not 23466b28f978SEmmanuel Grumbach * associated, we would remove the station here and 23476b28f978SEmmanuel Grumbach * this would fail the recovery. 23486b28f978SEmmanuel Grumbach */ 23496b28f978SEmmanuel Grumbach if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 23506b28f978SEmmanuel Grumbach &mvm->status)) { 23516b28f978SEmmanuel Grumbach /* 23526b28f978SEmmanuel Grumbach * Remove AP station now that 23536b28f978SEmmanuel Grumbach * the MAC is unassoc 23546b28f978SEmmanuel Grumbach */ 23556b28f978SEmmanuel Grumbach ret = iwl_mvm_rm_sta_id(mvm, vif, 23566b28f978SEmmanuel Grumbach mvmvif->ap_sta_id); 2357e705c121SKalle Valo if (ret) 23586b28f978SEmmanuel Grumbach IWL_ERR(mvm, 23596b28f978SEmmanuel Grumbach "failed to remove AP station\n"); 2360e705c121SKalle Valo 23610ae98812SSara Sharon mvmvif->ap_sta_id = IWL_MVM_INVALID_STA; 23626b28f978SEmmanuel Grumbach } 23636b28f978SEmmanuel Grumbach 2364e705c121SKalle Valo /* remove quota for this interface */ 2365e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, false, NULL); 2366e705c121SKalle Valo if (ret) 2367e705c121SKalle Valo IWL_ERR(mvm, "failed to update quotas\n"); 2368e705c121SKalle Valo 2369e705c121SKalle Valo /* this will take the cleared BSSID from bss_conf */ 2370e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 2371e705c121SKalle Valo if (ret) 2372e705c121SKalle Valo IWL_ERR(mvm, 2373e705c121SKalle Valo "failed to update MAC %pM (clear after unassoc)\n", 2374e705c121SKalle Valo vif->addr); 2375e705c121SKalle Valo } 2376e705c121SKalle Valo 2377a07a8f37SSara Sharon /* 2378a07a8f37SSara Sharon * The firmware tracks the MU-MIMO group on its own. 2379f92659a1SSara Sharon * However, on HW restart we should restore this data. 2380a07a8f37SSara Sharon */ 2381a07a8f37SSara Sharon if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 2382f92659a1SSara Sharon (changes & BSS_CHANGED_MU_GROUPS) && vif->mu_mimo_owner) { 2383a07a8f37SSara Sharon ret = iwl_mvm_update_mu_groups(mvm, vif); 2384a07a8f37SSara Sharon if (ret) 2385a07a8f37SSara Sharon IWL_ERR(mvm, 2386a07a8f37SSara Sharon "failed to update VHT MU_MIMO groups\n"); 2387a07a8f37SSara Sharon } 2388a07a8f37SSara Sharon 2389e705c121SKalle Valo iwl_mvm_recalc_multicast(mvm); 239034672bb3SEliad Peller iwl_mvm_configure_bcast_filter(mvm); 2391e705c121SKalle Valo 2392e705c121SKalle Valo /* reset rssi values */ 2393e705c121SKalle Valo mvmvif->bf_data.ave_beacon_signal = 0; 2394e705c121SKalle Valo 2395e705c121SKalle Valo iwl_mvm_bt_coex_vif_change(mvm); 2396e705c121SKalle Valo iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_TT, 2397e705c121SKalle Valo IEEE80211_SMPS_AUTOMATIC); 2398355346baSAvraham Stern if (fw_has_capa(&mvm->fw->ucode_capa, 2399355346baSAvraham Stern IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 2400355346baSAvraham Stern iwl_mvm_config_scan(mvm); 2401b45242c9SAvraham Stern } 2402b45242c9SAvraham Stern 2403b45242c9SAvraham Stern if (changes & BSS_CHANGED_BEACON_INFO) { 2404e705c121SKalle Valo /* 2405b45242c9SAvraham Stern * We received a beacon from the associated AP so 2406e705c121SKalle Valo * remove the session protection. 2407fe959c7bSEmmanuel Grumbach * A firmware with the new API will remove it automatically. 2408e705c121SKalle Valo */ 2409fe959c7bSEmmanuel Grumbach if (!fw_has_capa(&mvm->fw->ucode_capa, 2410fe959c7bSEmmanuel Grumbach IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) 24113edfb5f4SAvraham Stern iwl_mvm_stop_session_protection(mvm, vif); 2412e705c121SKalle Valo 2413e705c121SKalle Valo iwl_mvm_sf_update(mvm, vif, false); 2414e705c121SKalle Valo WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0)); 2415e705c121SKalle Valo } 2416e705c121SKalle Valo 2417283115fbSAvri Altman if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS | 2418283115fbSAvri Altman /* 2419283115fbSAvri Altman * Send power command on every beacon change, 2420283115fbSAvri Altman * because we may have not enabled beacon abort yet. 2421283115fbSAvri Altman */ 2422283115fbSAvri Altman BSS_CHANGED_BEACON_INFO)) { 2423e705c121SKalle Valo ret = iwl_mvm_power_update_mac(mvm); 2424e705c121SKalle Valo if (ret) 2425e705c121SKalle Valo IWL_ERR(mvm, "failed to update power mode\n"); 2426e705c121SKalle Valo } 2427e705c121SKalle Valo 2428e705c121SKalle Valo if (changes & BSS_CHANGED_CQM) { 2429e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "cqm info_changed\n"); 2430e705c121SKalle Valo /* reset cqm events tracking */ 2431e705c121SKalle Valo mvmvif->bf_data.last_cqm_event = 0; 2432e705c121SKalle Valo if (mvmvif->bf_data.bf_enabled) { 2433e705c121SKalle Valo ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0); 2434e705c121SKalle Valo if (ret) 2435e705c121SKalle Valo IWL_ERR(mvm, 2436e705c121SKalle Valo "failed to update CQM thresholds\n"); 2437e705c121SKalle Valo } 2438e705c121SKalle Valo } 2439e705c121SKalle Valo 2440e705c121SKalle Valo if (changes & BSS_CHANGED_ARP_FILTER) { 2441e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "arp filter changed\n"); 244234672bb3SEliad Peller iwl_mvm_configure_bcast_filter(mvm); 2443e705c121SKalle Valo } 2444de34d1c1SJohannes Berg 2445de34d1c1SJohannes Berg if (changes & BSS_CHANGED_BANDWIDTH) 2446de34d1c1SJohannes Berg iwl_mvm_apply_fw_smps_request(vif); 2447e705c121SKalle Valo } 2448e705c121SKalle Valo 2449e705c121SKalle Valo static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw, 2450e705c121SKalle Valo struct ieee80211_vif *vif) 2451e705c121SKalle Valo { 2452e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2453e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2454c56e00a3SJohannes Berg int ret, i; 2455e705c121SKalle Valo 2456e705c121SKalle Valo mutex_lock(&mvm->mutex); 2457e705c121SKalle Valo 2458e705c121SKalle Valo /* Send the beacon template */ 2459e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif); 2460e705c121SKalle Valo if (ret) 2461e705c121SKalle Valo goto out_unlock; 2462e705c121SKalle Valo 2463e705c121SKalle Valo /* 2464cdaba917SEmmanuel Grumbach * Re-calculate the tsf id, as the leader-follower relations depend on 2465cdaba917SEmmanuel Grumbach * the beacon interval, which was not known when the AP interface 2466cdaba917SEmmanuel Grumbach * was added. 2467e705c121SKalle Valo */ 2468e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP) 2469e705c121SKalle Valo iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); 2470e705c121SKalle Valo 2471e705c121SKalle Valo mvmvif->ap_assoc_sta_count = 0; 2472e705c121SKalle Valo 2473e705c121SKalle Valo /* Add the mac context */ 2474e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_add(mvm, vif); 2475e705c121SKalle Valo if (ret) 2476e705c121SKalle Valo goto out_unlock; 2477e705c121SKalle Valo 2478e705c121SKalle Valo /* Perform the binding */ 2479e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 2480e705c121SKalle Valo if (ret) 2481e705c121SKalle Valo goto out_remove; 2482e705c121SKalle Valo 248363dd5d02SSara Sharon /* 248463dd5d02SSara Sharon * This is not very nice, but the simplest: 248563dd5d02SSara Sharon * For older FWs adding the mcast sta before the bcast station may 248663dd5d02SSara Sharon * cause assert 0x2b00. 248763dd5d02SSara Sharon * This is fixed in later FW so make the order of removal depend on 248863dd5d02SSara Sharon * the TLV 248963dd5d02SSara Sharon */ 249063dd5d02SSara Sharon if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) { 2491ced19f26SSara Sharon ret = iwl_mvm_add_mcast_sta(mvm, vif); 2492ced19f26SSara Sharon if (ret) 2493ced19f26SSara Sharon goto out_unbind; 249463dd5d02SSara Sharon /* 249563dd5d02SSara Sharon * Send the bcast station. At this stage the TBTT and DTIM time 249663dd5d02SSara Sharon * events are added and applied to the scheduler 249763dd5d02SSara Sharon */ 2498e705c121SKalle Valo ret = iwl_mvm_send_add_bcast_sta(mvm, vif); 249963dd5d02SSara Sharon if (ret) { 250063dd5d02SSara Sharon iwl_mvm_rm_mcast_sta(mvm, vif); 250163dd5d02SSara Sharon goto out_unbind; 250263dd5d02SSara Sharon } 250363dd5d02SSara Sharon } else { 250463dd5d02SSara Sharon /* 250563dd5d02SSara Sharon * Send the bcast station. At this stage the TBTT and DTIM time 250663dd5d02SSara Sharon * events are added and applied to the scheduler 250763dd5d02SSara Sharon */ 250875fd4fecSJohannes Berg ret = iwl_mvm_send_add_bcast_sta(mvm, vif); 2509e705c121SKalle Valo if (ret) 251063dd5d02SSara Sharon goto out_unbind; 251175fd4fecSJohannes Berg ret = iwl_mvm_add_mcast_sta(mvm, vif); 251263dd5d02SSara Sharon if (ret) { 251363dd5d02SSara Sharon iwl_mvm_send_rm_bcast_sta(mvm, vif); 251463dd5d02SSara Sharon goto out_unbind; 251563dd5d02SSara Sharon } 251663dd5d02SSara Sharon } 251726d6c16bSSara Sharon 2518e705c121SKalle Valo /* must be set before quota calculations */ 2519e705c121SKalle Valo mvmvif->ap_ibss_active = true; 2520e705c121SKalle Valo 2521c56e00a3SJohannes Berg /* send all the early keys to the device now */ 2522c56e00a3SJohannes Berg for (i = 0; i < ARRAY_SIZE(mvmvif->ap_early_keys); i++) { 2523c56e00a3SJohannes Berg struct ieee80211_key_conf *key = mvmvif->ap_early_keys[i]; 2524c56e00a3SJohannes Berg 2525c56e00a3SJohannes Berg if (!key) 2526c56e00a3SJohannes Berg continue; 2527c56e00a3SJohannes Berg 2528c56e00a3SJohannes Berg mvmvif->ap_early_keys[i] = NULL; 2529c56e00a3SJohannes Berg 25306569e7d3SJohannes Berg ret = __iwl_mvm_mac_set_key(hw, SET_KEY, vif, NULL, key); 2531c56e00a3SJohannes Berg if (ret) 2532c56e00a3SJohannes Berg goto out_quota_failed; 2533c56e00a3SJohannes Berg } 2534c56e00a3SJohannes Berg 253547242744STova Mussai if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { 253647242744STova Mussai iwl_mvm_vif_set_low_latency(mvmvif, true, 253747242744STova Mussai LOW_LATENCY_VIF_TYPE); 253847242744STova Mussai iwl_mvm_send_low_latency_cmd(mvm, true, mvmvif->id); 253947242744STova Mussai } 254047242744STova Mussai 2541e705c121SKalle Valo /* power updated needs to be done before quotas */ 2542e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 2543e705c121SKalle Valo 2544e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, false, NULL); 2545e705c121SKalle Valo if (ret) 2546e705c121SKalle Valo goto out_quota_failed; 2547e705c121SKalle Valo 2548e705c121SKalle Valo /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ 2549e705c121SKalle Valo if (vif->p2p && mvm->p2p_device_vif) 2550e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); 2551e705c121SKalle Valo 2552e705c121SKalle Valo iwl_mvm_bt_coex_vif_change(mvm); 2553e705c121SKalle Valo 2554e705c121SKalle Valo /* we don't support TDLS during DCM */ 2555e705c121SKalle Valo if (iwl_mvm_phy_ctx_count(mvm) > 1) 2556e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 2557e705c121SKalle Valo 2558b73f9a4aSJohannes Berg iwl_mvm_ftm_restart_responder(mvm, vif); 2559b73f9a4aSJohannes Berg 2560e705c121SKalle Valo goto out_unlock; 2561e705c121SKalle Valo 2562e705c121SKalle Valo out_quota_failed: 2563e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 2564e705c121SKalle Valo mvmvif->ap_ibss_active = false; 2565e705c121SKalle Valo iwl_mvm_send_rm_bcast_sta(mvm, vif); 2566ced19f26SSara Sharon iwl_mvm_rm_mcast_sta(mvm, vif); 2567e705c121SKalle Valo out_unbind: 2568e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 2569e705c121SKalle Valo out_remove: 2570e705c121SKalle Valo iwl_mvm_mac_ctxt_remove(mvm, vif); 2571e705c121SKalle Valo out_unlock: 2572e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2573e705c121SKalle Valo return ret; 2574e705c121SKalle Valo } 2575e705c121SKalle Valo 2576e705c121SKalle Valo static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw, 2577e705c121SKalle Valo struct ieee80211_vif *vif) 2578e705c121SKalle Valo { 2579e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2580e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2581e705c121SKalle Valo 2582e705c121SKalle Valo iwl_mvm_prepare_mac_removal(mvm, vif); 2583e705c121SKalle Valo 2584e705c121SKalle Valo mutex_lock(&mvm->mutex); 2585e705c121SKalle Valo 2586e705c121SKalle Valo /* Handle AP stop while in CSA */ 2587e705c121SKalle Valo if (rcu_access_pointer(mvm->csa_vif) == vif) { 2588e705c121SKalle Valo iwl_mvm_remove_time_event(mvm, mvmvif, 2589e705c121SKalle Valo &mvmvif->time_event_data); 2590e705c121SKalle Valo RCU_INIT_POINTER(mvm->csa_vif, NULL); 2591e705c121SKalle Valo mvmvif->csa_countdown = false; 2592e705c121SKalle Valo } 2593e705c121SKalle Valo 2594e705c121SKalle Valo if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) { 2595e705c121SKalle Valo RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); 2596e705c121SKalle Valo mvm->csa_tx_block_bcn_timeout = 0; 2597e705c121SKalle Valo } 2598e705c121SKalle Valo 2599e705c121SKalle Valo mvmvif->ap_ibss_active = false; 2600e705c121SKalle Valo mvm->ap_last_beacon_gp2 = 0; 2601e705c121SKalle Valo 260247242744STova Mussai if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { 260347242744STova Mussai iwl_mvm_vif_set_low_latency(mvmvif, false, 260447242744STova Mussai LOW_LATENCY_VIF_TYPE); 260547242744STova Mussai iwl_mvm_send_low_latency_cmd(mvm, false, mvmvif->id); 260647242744STova Mussai } 260747242744STova Mussai 2608e705c121SKalle Valo iwl_mvm_bt_coex_vif_change(mvm); 2609e705c121SKalle Valo 2610e705c121SKalle Valo /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ 2611e705c121SKalle Valo if (vif->p2p && mvm->p2p_device_vif) 2612e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); 2613e705c121SKalle Valo 2614e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, NULL); 2615ced19f26SSara Sharon 2616be82ecd3SAvraham Stern iwl_mvm_ftm_responder_clear(mvm, vif); 2617be82ecd3SAvraham Stern 2618ced19f26SSara Sharon /* 2619ced19f26SSara Sharon * This is not very nice, but the simplest: 2620ced19f26SSara Sharon * For older FWs removing the mcast sta before the bcast station may 2621ced19f26SSara Sharon * cause assert 0x2b00. 2622ced19f26SSara Sharon * This is fixed in later FW (which will stop beaconing when removing 2623ced19f26SSara Sharon * bcast station). 2624ced19f26SSara Sharon * So make the order of removal depend on the TLV 2625ced19f26SSara Sharon */ 2626ced19f26SSara Sharon if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) 262726d6c16bSSara Sharon iwl_mvm_rm_mcast_sta(mvm, vif); 2628e705c121SKalle Valo iwl_mvm_send_rm_bcast_sta(mvm, vif); 2629ced19f26SSara Sharon if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) 2630ced19f26SSara Sharon iwl_mvm_rm_mcast_sta(mvm, vif); 2631e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 2632e705c121SKalle Valo 2633e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 2634e705c121SKalle Valo 2635e705c121SKalle Valo iwl_mvm_mac_ctxt_remove(mvm, vif); 2636e705c121SKalle Valo 2637e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2638e705c121SKalle Valo } 2639e705c121SKalle Valo 2640e705c121SKalle Valo static void 2641e705c121SKalle Valo iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm, 2642e705c121SKalle Valo struct ieee80211_vif *vif, 2643e705c121SKalle Valo struct ieee80211_bss_conf *bss_conf, 2644e705c121SKalle Valo u32 changes) 2645e705c121SKalle Valo { 2646e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2647e705c121SKalle Valo 2648e705c121SKalle Valo /* Changes will be applied when the AP/IBSS is started */ 2649e705c121SKalle Valo if (!mvmvif->ap_ibss_active) 2650e705c121SKalle Valo return; 2651e705c121SKalle Valo 2652e705c121SKalle Valo if (changes & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT | 2653e705c121SKalle Valo BSS_CHANGED_BANDWIDTH | BSS_CHANGED_QOS) && 2654e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL)) 2655e705c121SKalle Valo IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); 2656e705c121SKalle Valo 2657e705c121SKalle Valo /* Need to send a new beacon template to the FW */ 2658e705c121SKalle Valo if (changes & BSS_CHANGED_BEACON && 2659e705c121SKalle Valo iwl_mvm_mac_ctxt_beacon_changed(mvm, vif)) 2660e705c121SKalle Valo IWL_WARN(mvm, "Failed updating beacon data\n"); 2661e705c121SKalle Valo 2662b73f9a4aSJohannes Berg if (changes & BSS_CHANGED_FTM_RESPONDER) { 2663b73f9a4aSJohannes Berg int ret = iwl_mvm_ftm_start_responder(mvm, vif); 2664b73f9a4aSJohannes Berg 2665b73f9a4aSJohannes Berg if (ret) 2666b73f9a4aSJohannes Berg IWL_WARN(mvm, "Failed to enable FTM responder (%d)\n", 2667b73f9a4aSJohannes Berg ret); 2668b73f9a4aSJohannes Berg } 2669b73f9a4aSJohannes Berg 2670e705c121SKalle Valo } 2671e705c121SKalle Valo 2672e705c121SKalle Valo static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw, 2673e705c121SKalle Valo struct ieee80211_vif *vif, 2674e705c121SKalle Valo struct ieee80211_bss_conf *bss_conf, 2675e705c121SKalle Valo u32 changes) 2676e705c121SKalle Valo { 2677e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2678e705c121SKalle Valo 2679e705c121SKalle Valo mutex_lock(&mvm->mutex); 2680e705c121SKalle Valo 2681e705c121SKalle Valo if (changes & BSS_CHANGED_IDLE && !bss_conf->idle) 2682e705c121SKalle Valo iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, true); 2683e705c121SKalle Valo 2684e705c121SKalle Valo switch (vif->type) { 2685e705c121SKalle Valo case NL80211_IFTYPE_STATION: 2686e705c121SKalle Valo iwl_mvm_bss_info_changed_station(mvm, vif, bss_conf, changes); 2687e705c121SKalle Valo break; 2688e705c121SKalle Valo case NL80211_IFTYPE_AP: 2689e705c121SKalle Valo case NL80211_IFTYPE_ADHOC: 2690e705c121SKalle Valo iwl_mvm_bss_info_changed_ap_ibss(mvm, vif, bss_conf, changes); 2691e705c121SKalle Valo break; 269291b08c2dSAviya Erenfeld case NL80211_IFTYPE_MONITOR: 269391b08c2dSAviya Erenfeld if (changes & BSS_CHANGED_MU_GROUPS) 269491b08c2dSAviya Erenfeld iwl_mvm_update_mu_groups(mvm, vif); 269591b08c2dSAviya Erenfeld break; 2696e705c121SKalle Valo default: 2697e705c121SKalle Valo /* shouldn't happen */ 2698e705c121SKalle Valo WARN_ON_ONCE(1); 2699e705c121SKalle Valo } 2700e705c121SKalle Valo 27019aae43a4SJohannes Berg if (changes & BSS_CHANGED_TXPOWER) { 27029aae43a4SJohannes Berg IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d dBm\n", 27039aae43a4SJohannes Berg bss_conf->txpower); 27049aae43a4SJohannes Berg iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower); 27059aae43a4SJohannes Berg } 27069aae43a4SJohannes Berg 2707e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2708e705c121SKalle Valo } 2709e705c121SKalle Valo 2710e705c121SKalle Valo static int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw, 2711e705c121SKalle Valo struct ieee80211_vif *vif, 2712e705c121SKalle Valo struct ieee80211_scan_request *hw_req) 2713e705c121SKalle Valo { 2714e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2715e705c121SKalle Valo int ret; 2716e705c121SKalle Valo 2717e705c121SKalle Valo if (hw_req->req.n_channels == 0 || 2718e705c121SKalle Valo hw_req->req.n_channels > mvm->fw->ucode_capa.n_scan_channels) 2719e705c121SKalle Valo return -EINVAL; 2720e705c121SKalle Valo 2721e705c121SKalle Valo mutex_lock(&mvm->mutex); 2722e705c121SKalle Valo ret = iwl_mvm_reg_scan_start(mvm, vif, &hw_req->req, &hw_req->ies); 2723e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2724e705c121SKalle Valo 2725e705c121SKalle Valo return ret; 2726e705c121SKalle Valo } 2727e705c121SKalle Valo 2728e705c121SKalle Valo static void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw, 2729e705c121SKalle Valo struct ieee80211_vif *vif) 2730e705c121SKalle Valo { 2731e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2732e705c121SKalle Valo 2733e705c121SKalle Valo mutex_lock(&mvm->mutex); 2734e705c121SKalle Valo 2735e705c121SKalle Valo /* Due to a race condition, it's possible that mac80211 asks 2736e705c121SKalle Valo * us to stop a hw_scan when it's already stopped. This can 2737e705c121SKalle Valo * happen, for instance, if we stopped the scan ourselves, 2738e705c121SKalle Valo * called ieee80211_scan_completed() and the userspace called 2739e705c121SKalle Valo * cancel scan scan before ieee80211_scan_work() could run. 2740e705c121SKalle Valo * To handle that, simply return if the scan is not running. 2741e705c121SKalle Valo */ 2742e705c121SKalle Valo if (mvm->scan_status & IWL_MVM_SCAN_REGULAR) 2743e705c121SKalle Valo iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_REGULAR, true); 2744e705c121SKalle Valo 2745e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2746e705c121SKalle Valo } 2747e705c121SKalle Valo 2748e705c121SKalle Valo static void 2749e705c121SKalle Valo iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw *hw, 2750e705c121SKalle Valo struct ieee80211_sta *sta, u16 tids, 2751e705c121SKalle Valo int num_frames, 2752e705c121SKalle Valo enum ieee80211_frame_release_type reason, 2753e705c121SKalle Valo bool more_data) 2754e705c121SKalle Valo { 2755e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2756e705c121SKalle Valo 2757e705c121SKalle Valo /* Called when we need to transmit (a) frame(s) from mac80211 */ 2758e705c121SKalle Valo 2759e705c121SKalle Valo iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, 2760e705c121SKalle Valo tids, more_data, false); 2761e705c121SKalle Valo } 2762e705c121SKalle Valo 2763e705c121SKalle Valo static void 2764e705c121SKalle Valo iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw *hw, 2765e705c121SKalle Valo struct ieee80211_sta *sta, u16 tids, 2766e705c121SKalle Valo int num_frames, 2767e705c121SKalle Valo enum ieee80211_frame_release_type reason, 2768e705c121SKalle Valo bool more_data) 2769e705c121SKalle Valo { 2770e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2771e705c121SKalle Valo 27729a3fcf91SSara Sharon /* Called when we need to transmit (a) frame(s) from agg or dqa queue */ 2773e705c121SKalle Valo 2774e705c121SKalle Valo iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, 2775e705c121SKalle Valo tids, more_data, true); 2776e705c121SKalle Valo } 2777e705c121SKalle Valo 277865e25482SJohannes Berg static void __iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, 2779e705c121SKalle Valo enum sta_notify_cmd cmd, 2780e705c121SKalle Valo struct ieee80211_sta *sta) 2781e705c121SKalle Valo { 2782e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2783e705c121SKalle Valo struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 2784e705c121SKalle Valo unsigned long txqs = 0, tids = 0; 2785e705c121SKalle Valo int tid; 2786e705c121SKalle Valo 2787960f864bSJohannes Berg /* 2788960f864bSJohannes Berg * If we have TVQM then we get too high queue numbers - luckily 2789960f864bSJohannes Berg * we really shouldn't get here with that because such hardware 2790960f864bSJohannes Berg * should have firmware supporting buffer station offload. 2791960f864bSJohannes Berg */ 2792960f864bSJohannes Berg if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) 2793960f864bSJohannes Berg return; 2794960f864bSJohannes Berg 2795e705c121SKalle Valo spin_lock_bh(&mvmsta->lock); 2796311590a3SEmmanuel Grumbach for (tid = 0; tid < ARRAY_SIZE(mvmsta->tid_data); tid++) { 2797e705c121SKalle Valo struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 2798e705c121SKalle Valo 27996862fceeSSara Sharon if (tid_data->txq_id == IWL_MVM_INVALID_QUEUE) 28001c17627bSSara Sharon continue; 28011c17627bSSara Sharon 2802e705c121SKalle Valo __set_bit(tid_data->txq_id, &txqs); 2803e705c121SKalle Valo 2804dd32162dSLiad Kaufman if (iwl_mvm_tid_queued(mvm, tid_data) == 0) 2805e705c121SKalle Valo continue; 2806e705c121SKalle Valo 2807e705c121SKalle Valo __set_bit(tid, &tids); 2808e705c121SKalle Valo } 2809e705c121SKalle Valo 2810e705c121SKalle Valo switch (cmd) { 2811e705c121SKalle Valo case STA_NOTIFY_SLEEP: 2812e705c121SKalle Valo for_each_set_bit(tid, &tids, IWL_MAX_TID_COUNT) 2813e705c121SKalle Valo ieee80211_sta_set_buffered(sta, tid, true); 2814e705c121SKalle Valo 2815e705c121SKalle Valo if (txqs) 2816e705c121SKalle Valo iwl_trans_freeze_txq_timer(mvm->trans, txqs, true); 2817e705c121SKalle Valo /* 2818e705c121SKalle Valo * The fw updates the STA to be asleep. Tx packets on the Tx 2819e705c121SKalle Valo * queues to this station will not be transmitted. The fw will 2820e705c121SKalle Valo * send a Tx response with TX_STATUS_FAIL_DEST_PS. 2821e705c121SKalle Valo */ 2822e705c121SKalle Valo break; 2823e705c121SKalle Valo case STA_NOTIFY_AWAKE: 28240ae98812SSara Sharon if (WARN_ON(mvmsta->sta_id == IWL_MVM_INVALID_STA)) 2825e705c121SKalle Valo break; 2826e705c121SKalle Valo 2827e705c121SKalle Valo if (txqs) 2828e705c121SKalle Valo iwl_trans_freeze_txq_timer(mvm->trans, txqs, false); 2829e705c121SKalle Valo iwl_mvm_sta_modify_ps_wake(mvm, sta); 2830e705c121SKalle Valo break; 2831e705c121SKalle Valo default: 2832e705c121SKalle Valo break; 2833e705c121SKalle Valo } 2834e705c121SKalle Valo spin_unlock_bh(&mvmsta->lock); 2835e705c121SKalle Valo } 2836e705c121SKalle Valo 283765e25482SJohannes Berg static void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, 283865e25482SJohannes Berg struct ieee80211_vif *vif, 283965e25482SJohannes Berg enum sta_notify_cmd cmd, 284065e25482SJohannes Berg struct ieee80211_sta *sta) 284165e25482SJohannes Berg { 284265e25482SJohannes Berg __iwl_mvm_mac_sta_notify(hw, cmd, sta); 284365e25482SJohannes Berg } 284465e25482SJohannes Berg 284565e25482SJohannes Berg void iwl_mvm_sta_pm_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) 284665e25482SJohannes Berg { 284765e25482SJohannes Berg struct iwl_rx_packet *pkt = rxb_addr(rxb); 284865e25482SJohannes Berg struct iwl_mvm_pm_state_notification *notif = (void *)pkt->data; 284965e25482SJohannes Berg struct ieee80211_sta *sta; 285065e25482SJohannes Berg struct iwl_mvm_sta *mvmsta; 285165e25482SJohannes Berg bool sleeping = (notif->type != IWL_MVM_PM_EVENT_AWAKE); 285265e25482SJohannes Berg 2853be9ae34eSNathan Errera if (WARN_ON(notif->sta_id >= mvm->fw->ucode_capa.num_stations)) 285465e25482SJohannes Berg return; 285565e25482SJohannes Berg 285665e25482SJohannes Berg rcu_read_lock(); 2857a9560029SSara Sharon sta = rcu_dereference(mvm->fw_id_to_mac_id[notif->sta_id]); 285865e25482SJohannes Berg if (WARN_ON(IS_ERR_OR_NULL(sta))) { 285965e25482SJohannes Berg rcu_read_unlock(); 286065e25482SJohannes Berg return; 286165e25482SJohannes Berg } 286265e25482SJohannes Berg 286365e25482SJohannes Berg mvmsta = iwl_mvm_sta_from_mac80211(sta); 286465e25482SJohannes Berg 286565e25482SJohannes Berg if (!mvmsta->vif || 286665e25482SJohannes Berg mvmsta->vif->type != NL80211_IFTYPE_AP) { 286765e25482SJohannes Berg rcu_read_unlock(); 286865e25482SJohannes Berg return; 286965e25482SJohannes Berg } 287065e25482SJohannes Berg 287165e25482SJohannes Berg if (mvmsta->sleeping != sleeping) { 287265e25482SJohannes Berg mvmsta->sleeping = sleeping; 287365e25482SJohannes Berg __iwl_mvm_mac_sta_notify(mvm->hw, 287465e25482SJohannes Berg sleeping ? STA_NOTIFY_SLEEP : STA_NOTIFY_AWAKE, 287565e25482SJohannes Berg sta); 287665e25482SJohannes Berg ieee80211_sta_ps_transition(sta, sleeping); 287765e25482SJohannes Berg } 287865e25482SJohannes Berg 287965e25482SJohannes Berg if (sleeping) { 288065e25482SJohannes Berg switch (notif->type) { 288165e25482SJohannes Berg case IWL_MVM_PM_EVENT_AWAKE: 288265e25482SJohannes Berg case IWL_MVM_PM_EVENT_ASLEEP: 288365e25482SJohannes Berg break; 288465e25482SJohannes Berg case IWL_MVM_PM_EVENT_UAPSD: 288565e25482SJohannes Berg ieee80211_sta_uapsd_trigger(sta, IEEE80211_NUM_TIDS); 288665e25482SJohannes Berg break; 288765e25482SJohannes Berg case IWL_MVM_PM_EVENT_PS_POLL: 288865e25482SJohannes Berg ieee80211_sta_pspoll(sta); 288965e25482SJohannes Berg break; 289065e25482SJohannes Berg default: 289165e25482SJohannes Berg break; 289265e25482SJohannes Berg } 289365e25482SJohannes Berg } 289465e25482SJohannes Berg 289565e25482SJohannes Berg rcu_read_unlock(); 289665e25482SJohannes Berg } 289765e25482SJohannes Berg 2898e705c121SKalle Valo static void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw, 2899e705c121SKalle Valo struct ieee80211_vif *vif, 2900e705c121SKalle Valo struct ieee80211_sta *sta) 2901e705c121SKalle Valo { 2902e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2903e705c121SKalle Valo struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 2904e705c121SKalle Valo 2905e705c121SKalle Valo /* 2906e705c121SKalle Valo * This is called before mac80211 does RCU synchronisation, 2907e705c121SKalle Valo * so here we already invalidate our internal RCU-protected 2908e705c121SKalle Valo * station pointer. The rest of the code will thus no longer 2909e705c121SKalle Valo * be able to find the station this way, and we don't rely 2910e705c121SKalle Valo * on further RCU synchronisation after the sta_state() 2911e705c121SKalle Valo * callback deleted the station. 2912e705c121SKalle Valo */ 2913e705c121SKalle Valo mutex_lock(&mvm->mutex); 2914e705c121SKalle Valo if (sta == rcu_access_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id])) 2915e705c121SKalle Valo rcu_assign_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id], 2916e705c121SKalle Valo ERR_PTR(-ENOENT)); 2917e705c121SKalle Valo 2918e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2919e705c121SKalle Valo } 2920e705c121SKalle Valo 2921e705c121SKalle Valo static void iwl_mvm_check_uapsd(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 2922e705c121SKalle Valo const u8 *bssid) 2923e705c121SKalle Valo { 2924b0ffe455SJohannes Berg int i; 2925b0ffe455SJohannes Berg 2926b0ffe455SJohannes Berg if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 2927b0ffe455SJohannes Berg struct iwl_mvm_tcm_mac *mdata; 2928b0ffe455SJohannes Berg 2929b0ffe455SJohannes Berg mdata = &mvm->tcm.data[iwl_mvm_vif_from_mac80211(vif)->id]; 2930b0ffe455SJohannes Berg ewma_rate_init(&mdata->uapsd_nonagg_detect.rate); 2931b0ffe455SJohannes Berg mdata->opened_rx_ba_sessions = false; 2932b0ffe455SJohannes Berg } 2933b0ffe455SJohannes Berg 2934e705c121SKalle Valo if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT)) 2935e705c121SKalle Valo return; 2936e705c121SKalle Valo 2937c5241b0cSAvraham Stern if (vif->p2p && !iwl_mvm_is_p2p_scm_uapsd_supported(mvm)) { 2938cee5a882SAvri Altman vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 2939cee5a882SAvri Altman return; 2940cee5a882SAvri Altman } 2941cee5a882SAvri Altman 294211dee0b4SEmmanuel Grumbach if (!vif->p2p && 294311dee0b4SEmmanuel Grumbach (iwlwifi_mod_params.uapsd_disable & IWL_DISABLE_UAPSD_BSS)) { 2944e705c121SKalle Valo vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 2945e705c121SKalle Valo return; 2946e705c121SKalle Valo } 2947e705c121SKalle Valo 2948b0ffe455SJohannes Berg for (i = 0; i < IWL_MVM_UAPSD_NOAGG_LIST_LEN; i++) { 2949b0ffe455SJohannes Berg if (ether_addr_equal(mvm->uapsd_noagg_bssids[i].addr, bssid)) { 2950b0ffe455SJohannes Berg vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 2951b0ffe455SJohannes Berg return; 2952b0ffe455SJohannes Berg } 2953b0ffe455SJohannes Berg } 2954b0ffe455SJohannes Berg 2955e705c121SKalle Valo vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD; 2956e705c121SKalle Valo } 2957e705c121SKalle Valo 29581e8f1329SGolan Ben-Ami static void 29591e8f1329SGolan Ben-Ami iwl_mvm_tdls_check_trigger(struct iwl_mvm *mvm, 29601e8f1329SGolan Ben-Ami struct ieee80211_vif *vif, u8 *peer_addr, 29611e8f1329SGolan Ben-Ami enum nl80211_tdls_operation action) 29621e8f1329SGolan Ben-Ami { 29631e8f1329SGolan Ben-Ami struct iwl_fw_dbg_trigger_tlv *trig; 29641e8f1329SGolan Ben-Ami struct iwl_fw_dbg_trigger_tdls *tdls_trig; 29651e8f1329SGolan Ben-Ami 29666c042d75SSara Sharon trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 29676c042d75SSara Sharon FW_DBG_TRIGGER_TDLS); 29686c042d75SSara Sharon if (!trig) 29691e8f1329SGolan Ben-Ami return; 29701e8f1329SGolan Ben-Ami 29711e8f1329SGolan Ben-Ami tdls_trig = (void *)trig->data; 29721e8f1329SGolan Ben-Ami 29731e8f1329SGolan Ben-Ami if (!(tdls_trig->action_bitmap & BIT(action))) 29741e8f1329SGolan Ben-Ami return; 29751e8f1329SGolan Ben-Ami 29761e8f1329SGolan Ben-Ami if (tdls_trig->peer_mode && 29771e8f1329SGolan Ben-Ami memcmp(tdls_trig->peer, peer_addr, ETH_ALEN) != 0) 29781e8f1329SGolan Ben-Ami return; 29791e8f1329SGolan Ben-Ami 29807174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 29811e8f1329SGolan Ben-Ami "TDLS event occurred, peer %pM, action %d", 29821e8f1329SGolan Ben-Ami peer_addr, action); 29831e8f1329SGolan Ben-Ami } 29841e8f1329SGolan Ben-Ami 29854f58121dSIlan Peer struct iwl_mvm_he_obss_narrow_bw_ru_data { 29864f58121dSIlan Peer bool tolerated; 29874f58121dSIlan Peer }; 29884f58121dSIlan Peer 29894f58121dSIlan Peer static void iwl_mvm_check_he_obss_narrow_bw_ru_iter(struct wiphy *wiphy, 29904f58121dSIlan Peer struct cfg80211_bss *bss, 29914f58121dSIlan Peer void *_data) 29924f58121dSIlan Peer { 29934f58121dSIlan Peer struct iwl_mvm_he_obss_narrow_bw_ru_data *data = _data; 29946c608cd6SJohannes Berg const struct cfg80211_bss_ies *ies; 29954f58121dSIlan Peer const struct element *elem; 29964f58121dSIlan Peer 29976c608cd6SJohannes Berg rcu_read_lock(); 29986c608cd6SJohannes Berg ies = rcu_dereference(bss->ies); 29996c608cd6SJohannes Berg elem = cfg80211_find_elem(WLAN_EID_EXT_CAPABILITY, ies->data, 30006c608cd6SJohannes Berg ies->len); 30014f58121dSIlan Peer 30024f58121dSIlan Peer if (!elem || elem->datalen < 10 || 30034f58121dSIlan Peer !(elem->data[10] & 30044f58121dSIlan Peer WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT)) { 30054f58121dSIlan Peer data->tolerated = false; 30064f58121dSIlan Peer } 30076c608cd6SJohannes Berg rcu_read_unlock(); 30084f58121dSIlan Peer } 30094f58121dSIlan Peer 30104f58121dSIlan Peer static void iwl_mvm_check_he_obss_narrow_bw_ru(struct ieee80211_hw *hw, 30114f58121dSIlan Peer struct ieee80211_vif *vif) 30124f58121dSIlan Peer { 30134f58121dSIlan Peer struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 30144f58121dSIlan Peer struct iwl_mvm_he_obss_narrow_bw_ru_data iter_data = { 30154f58121dSIlan Peer .tolerated = true, 30164f58121dSIlan Peer }; 30174f58121dSIlan Peer 30184f58121dSIlan Peer if (!(vif->bss_conf.chandef.chan->flags & IEEE80211_CHAN_RADAR)) { 30194f58121dSIlan Peer mvmvif->he_ru_2mhz_block = false; 30204f58121dSIlan Peer return; 30214f58121dSIlan Peer } 30224f58121dSIlan Peer 30234f58121dSIlan Peer cfg80211_bss_iter(hw->wiphy, &vif->bss_conf.chandef, 30244f58121dSIlan Peer iwl_mvm_check_he_obss_narrow_bw_ru_iter, 30254f58121dSIlan Peer &iter_data); 30264f58121dSIlan Peer 30274f58121dSIlan Peer /* 30284f58121dSIlan Peer * If there is at least one AP on radar channel that cannot 30294f58121dSIlan Peer * tolerate 26-tone RU UL OFDMA transmissions using HE TB PPDU. 30304f58121dSIlan Peer */ 30314f58121dSIlan Peer mvmvif->he_ru_2mhz_block = !iter_data.tolerated; 30324f58121dSIlan Peer } 30334f58121dSIlan Peer 3034f7d6ef33SJohannes Berg static void iwl_mvm_reset_cca_40mhz_workaround(struct iwl_mvm *mvm, 3035f7d6ef33SJohannes Berg struct ieee80211_vif *vif) 3036f7d6ef33SJohannes Berg { 3037f7d6ef33SJohannes Berg struct ieee80211_supported_band *sband; 3038f7d6ef33SJohannes Berg const struct ieee80211_sta_he_cap *he_cap; 3039f7d6ef33SJohannes Berg 3040f7d6ef33SJohannes Berg if (vif->type != NL80211_IFTYPE_STATION) 3041f7d6ef33SJohannes Berg return; 3042f7d6ef33SJohannes Berg 3043f7d6ef33SJohannes Berg if (!mvm->cca_40mhz_workaround) 3044f7d6ef33SJohannes Berg return; 3045f7d6ef33SJohannes Berg 3046f7d6ef33SJohannes Berg /* decrement and check that we reached zero */ 3047f7d6ef33SJohannes Berg mvm->cca_40mhz_workaround--; 3048f7d6ef33SJohannes Berg if (mvm->cca_40mhz_workaround) 3049f7d6ef33SJohannes Berg return; 3050f7d6ef33SJohannes Berg 3051f7d6ef33SJohannes Berg sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]; 3052f7d6ef33SJohannes Berg 3053f7d6ef33SJohannes Berg sband->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; 3054f7d6ef33SJohannes Berg 3055f7d6ef33SJohannes Berg he_cap = ieee80211_get_he_iftype_cap(sband, 3056f7d6ef33SJohannes Berg ieee80211_vif_type_p2p(vif)); 3057f7d6ef33SJohannes Berg 3058f7d6ef33SJohannes Berg if (he_cap) { 3059f7d6ef33SJohannes Berg /* we know that ours is writable */ 3060f7d6ef33SJohannes Berg struct ieee80211_sta_he_cap *he = (void *)he_cap; 3061f7d6ef33SJohannes Berg 3062f7d6ef33SJohannes Berg he->he_cap_elem.phy_cap_info[0] |= 3063f7d6ef33SJohannes Berg IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G; 3064f7d6ef33SJohannes Berg } 3065f7d6ef33SJohannes Berg } 3066f7d6ef33SJohannes Berg 3067e705c121SKalle Valo static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw, 3068e705c121SKalle Valo struct ieee80211_vif *vif, 3069e705c121SKalle Valo struct ieee80211_sta *sta, 3070e705c121SKalle Valo enum ieee80211_sta_state old_state, 3071e705c121SKalle Valo enum ieee80211_sta_state new_state) 3072e705c121SKalle Valo { 3073e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3074e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 30756ea29ce5SJohannes Berg struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 3076e705c121SKalle Valo int ret; 3077e705c121SKalle Valo 3078e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n", 3079e705c121SKalle Valo sta->addr, old_state, new_state); 3080e705c121SKalle Valo 3081e705c121SKalle Valo /* this would be a mac80211 bug ... but don't crash */ 3082e705c121SKalle Valo if (WARN_ON_ONCE(!mvmvif->phy_ctxt)) 3083fe56d05eSSara Sharon return test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status) ? 0 : -EINVAL; 3084e705c121SKalle Valo 308524afba76SLiad Kaufman /* 308624afba76SLiad Kaufman * If we are in a STA removal flow and in DQA mode: 308724afba76SLiad Kaufman * 308824afba76SLiad Kaufman * This is after the sync_rcu part, so the queues have already been 308924afba76SLiad Kaufman * flushed. No more TXs on their way in mac80211's path, and no more in 309024afba76SLiad Kaufman * the queues. 309124afba76SLiad Kaufman * Also, we won't be getting any new TX frames for this station. 309224afba76SLiad Kaufman * What we might have are deferred TX frames that need to be taken care 309324afba76SLiad Kaufman * of. 309424afba76SLiad Kaufman * 309524afba76SLiad Kaufman * Drop any still-queued deferred-frame before removing the STA, and 309624afba76SLiad Kaufman * make sure the worker is no longer handling frames for this STA. 309724afba76SLiad Kaufman */ 309824afba76SLiad Kaufman if (old_state == IEEE80211_STA_NONE && 3099c8f54701SJohannes Berg new_state == IEEE80211_STA_NOTEXIST) { 310024afba76SLiad Kaufman flush_work(&mvm->add_stream_wk); 310124afba76SLiad Kaufman 310224afba76SLiad Kaufman /* 310324afba76SLiad Kaufman * No need to make sure deferred TX indication is off since the 310424afba76SLiad Kaufman * worker will already remove it if it was on 310524afba76SLiad Kaufman */ 3106f7d6ef33SJohannes Berg 3107f7d6ef33SJohannes Berg /* 3108f7d6ef33SJohannes Berg * Additionally, reset the 40 MHz capability if we disconnected 3109f7d6ef33SJohannes Berg * from the AP now. 3110f7d6ef33SJohannes Berg */ 3111f7d6ef33SJohannes Berg iwl_mvm_reset_cca_40mhz_workaround(mvm, vif); 311224afba76SLiad Kaufman } 311324afba76SLiad Kaufman 3114e705c121SKalle Valo mutex_lock(&mvm->mutex); 31156ea29ce5SJohannes Berg /* track whether or not the station is associated */ 3116d94c5a82SGregory Greenman mvm_sta->sta_state = new_state; 31176ea29ce5SJohannes Berg 3118e705c121SKalle Valo if (old_state == IEEE80211_STA_NOTEXIST && 3119e705c121SKalle Valo new_state == IEEE80211_STA_NONE) { 3120e705c121SKalle Valo /* 3121e705c121SKalle Valo * Firmware bug - it'll crash if the beacon interval is less 3122e705c121SKalle Valo * than 16. We can't avoid connecting at all, so refuse the 3123e705c121SKalle Valo * station state change, this will cause mac80211 to abandon 3124e705c121SKalle Valo * attempts to connect to this AP, and eventually wpa_s will 3125cdaba917SEmmanuel Grumbach * blocklist the AP... 3126e705c121SKalle Valo */ 3127e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_STATION && 3128e705c121SKalle Valo vif->bss_conf.beacon_int < 16) { 3129e705c121SKalle Valo IWL_ERR(mvm, 3130e705c121SKalle Valo "AP %pM beacon interval is %d, refusing due to firmware bug!\n", 3131e705c121SKalle Valo sta->addr, vif->bss_conf.beacon_int); 3132e705c121SKalle Valo ret = -EINVAL; 3133e705c121SKalle Valo goto out_unlock; 3134e705c121SKalle Valo } 3135e705c121SKalle Valo 313697cc1694SAvraham Stern if (vif->type == NL80211_IFTYPE_STATION) 313797cc1694SAvraham Stern vif->bss_conf.he_support = sta->he_cap.has_he; 313897cc1694SAvraham Stern 3139e705c121SKalle Valo if (sta->tdls && 3140e705c121SKalle Valo (vif->p2p || 3141e705c121SKalle Valo iwl_mvm_tdls_sta_count(mvm, NULL) == 3142e705c121SKalle Valo IWL_MVM_TDLS_STA_COUNT || 3143e705c121SKalle Valo iwl_mvm_phy_ctx_count(mvm) > 1)) { 3144e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "refusing TDLS sta\n"); 3145e705c121SKalle Valo ret = -EBUSY; 3146e705c121SKalle Valo goto out_unlock; 3147e705c121SKalle Valo } 3148e705c121SKalle Valo 3149e705c121SKalle Valo ret = iwl_mvm_add_sta(mvm, vif, sta); 31501e8f1329SGolan Ben-Ami if (sta->tdls && ret == 0) { 3151e705c121SKalle Valo iwl_mvm_recalc_tdls_state(mvm, vif, true); 31521e8f1329SGolan Ben-Ami iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 31531e8f1329SGolan Ben-Ami NL80211_TDLS_SETUP); 31541e8f1329SGolan Ben-Ami } 3155438af969SSara Sharon 3156438af969SSara Sharon sta->max_rc_amsdu_len = 1; 3157e705c121SKalle Valo } else if (old_state == IEEE80211_STA_NONE && 3158e705c121SKalle Valo new_state == IEEE80211_STA_AUTH) { 3159e705c121SKalle Valo /* 3160e705c121SKalle Valo * EBS may be disabled due to previous failures reported by FW. 3161e705c121SKalle Valo * Reset EBS status here assuming environment has been changed. 3162e705c121SKalle Valo */ 3163e705c121SKalle Valo mvm->last_ebs_successful = true; 3164e705c121SKalle Valo iwl_mvm_check_uapsd(mvm, vif, sta->addr); 3165e705c121SKalle Valo ret = 0; 3166e705c121SKalle Valo } else if (old_state == IEEE80211_STA_AUTH && 3167e705c121SKalle Valo new_state == IEEE80211_STA_ASSOC) { 31688be30c13SAyala Beker if (vif->type == NL80211_IFTYPE_AP) { 31699394662aSLiad Kaufman vif->bss_conf.he_support = sta->he_cap.has_he; 31708be30c13SAyala Beker mvmvif->ap_assoc_sta_count++; 31718be30c13SAyala Beker iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 317202221a81SShaul Triebitz if (vif->bss_conf.he_support && 317302221a81SShaul Triebitz !iwlwifi_mod_params.disable_11ax) 317402221a81SShaul Triebitz iwl_mvm_cfg_he_sta(mvm, vif, mvm_sta->sta_id); 31759394662aSLiad Kaufman } else if (vif->type == NL80211_IFTYPE_STATION) { 31769394662aSLiad Kaufman vif->bss_conf.he_support = sta->he_cap.has_he; 31774f58121dSIlan Peer 31784f58121dSIlan Peer mvmvif->he_ru_2mhz_block = false; 31794f58121dSIlan Peer if (sta->he_cap.has_he) 31804f58121dSIlan Peer iwl_mvm_check_he_obss_narrow_bw_ru(hw, vif); 31814f58121dSIlan Peer 31829394662aSLiad Kaufman iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 31838be30c13SAyala Beker } 3184735a0045SGoodstein, Mordechay 31853baf7528SAvraham Stern iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band, 31863baf7528SAvraham Stern false); 3187735a0045SGoodstein, Mordechay ret = iwl_mvm_update_sta(mvm, vif, sta); 3188e705c121SKalle Valo } else if (old_state == IEEE80211_STA_ASSOC && 3189e705c121SKalle Valo new_state == IEEE80211_STA_AUTHORIZED) { 319028916a16SEmmanuel Grumbach ret = 0; 3191e705c121SKalle Valo 3192e705c121SKalle Valo /* we don't support TDLS during DCM */ 3193e705c121SKalle Valo if (iwl_mvm_phy_ctx_count(mvm) > 1) 3194e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 3195e705c121SKalle Valo 31961e8f1329SGolan Ben-Ami if (sta->tdls) 31971e8f1329SGolan Ben-Ami iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 31981e8f1329SGolan Ben-Ami NL80211_TDLS_ENABLE_LINK); 31991e8f1329SGolan Ben-Ami 3200e705c121SKalle Valo /* enable beacon filtering */ 3201e705c121SKalle Valo WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0)); 32026b7a5aeaSNaftali Goldstein 320350f56044SIlan Peer /* 320450f56044SIlan Peer * Now that the station is authorized, i.e., keys were already 320550f56044SIlan Peer * installed, need to indicate to the FW that 320650f56044SIlan Peer * multicast data frames can be forwarded to the driver 320750f56044SIlan Peer */ 320850f56044SIlan Peer iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 320950f56044SIlan Peer 32103baf7528SAvraham Stern iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band, 32113baf7528SAvraham Stern true); 3212e705c121SKalle Valo } else if (old_state == IEEE80211_STA_AUTHORIZED && 3213e705c121SKalle Valo new_state == IEEE80211_STA_ASSOC) { 321450f56044SIlan Peer /* Multicast data frames are no longer allowed */ 321550f56044SIlan Peer iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 321650f56044SIlan Peer 3217e705c121SKalle Valo /* disable beacon filtering */ 321869e508b4SIlan Peer ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); 321969e508b4SIlan Peer WARN_ON(ret && 322069e508b4SIlan Peer !test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 322169e508b4SIlan Peer &mvm->status)); 3222e705c121SKalle Valo ret = 0; 3223e705c121SKalle Valo } else if (old_state == IEEE80211_STA_ASSOC && 3224e705c121SKalle Valo new_state == IEEE80211_STA_AUTH) { 32258be30c13SAyala Beker if (vif->type == NL80211_IFTYPE_AP) { 32268be30c13SAyala Beker mvmvif->ap_assoc_sta_count--; 32278be30c13SAyala Beker iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 32288be30c13SAyala Beker } 3229e705c121SKalle Valo ret = 0; 3230e705c121SKalle Valo } else if (old_state == IEEE80211_STA_AUTH && 3231e705c121SKalle Valo new_state == IEEE80211_STA_NONE) { 3232e705c121SKalle Valo ret = 0; 3233e705c121SKalle Valo } else if (old_state == IEEE80211_STA_NONE && 3234e705c121SKalle Valo new_state == IEEE80211_STA_NOTEXIST) { 3235e705c121SKalle Valo ret = iwl_mvm_rm_sta(mvm, vif, sta); 32361e8f1329SGolan Ben-Ami if (sta->tdls) { 3237e705c121SKalle Valo iwl_mvm_recalc_tdls_state(mvm, vif, false); 32381e8f1329SGolan Ben-Ami iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 32391e8f1329SGolan Ben-Ami NL80211_TDLS_DISABLE_LINK); 32401e8f1329SGolan Ben-Ami } 324134a880d8SLiad Kaufman 324244135b7cSIlan Peer if (unlikely(ret && 324344135b7cSIlan Peer test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 324444135b7cSIlan Peer &mvm->status))) 324544135b7cSIlan Peer ret = 0; 3246e705c121SKalle Valo } else { 3247e705c121SKalle Valo ret = -EIO; 3248e705c121SKalle Valo } 3249e705c121SKalle Valo out_unlock: 3250e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3251e705c121SKalle Valo 3252e705c121SKalle Valo if (sta->tdls && ret == 0) { 3253e705c121SKalle Valo if (old_state == IEEE80211_STA_NOTEXIST && 3254e705c121SKalle Valo new_state == IEEE80211_STA_NONE) 3255e705c121SKalle Valo ieee80211_reserve_tid(sta, IWL_MVM_TDLS_FW_TID); 3256e705c121SKalle Valo else if (old_state == IEEE80211_STA_NONE && 3257e705c121SKalle Valo new_state == IEEE80211_STA_NOTEXIST) 3258e705c121SKalle Valo ieee80211_unreserve_tid(sta, IWL_MVM_TDLS_FW_TID); 3259e705c121SKalle Valo } 3260e705c121SKalle Valo 3261e705c121SKalle Valo return ret; 3262e705c121SKalle Valo } 3263e705c121SKalle Valo 3264e705c121SKalle Valo static int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 3265e705c121SKalle Valo { 3266e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3267e705c121SKalle Valo 3268e705c121SKalle Valo mvm->rts_threshold = value; 3269e705c121SKalle Valo 3270e705c121SKalle Valo return 0; 3271e705c121SKalle Valo } 3272e705c121SKalle Valo 3273e705c121SKalle Valo static void iwl_mvm_sta_rc_update(struct ieee80211_hw *hw, 3274e705c121SKalle Valo struct ieee80211_vif *vif, 3275e705c121SKalle Valo struct ieee80211_sta *sta, u32 changed) 3276e705c121SKalle Valo { 3277e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3278dcfe3b10SJohannes Berg struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3279dcfe3b10SJohannes Berg 3280dcfe3b10SJohannes Berg if (changed & (IEEE80211_RC_BW_CHANGED | 3281dcfe3b10SJohannes Berg IEEE80211_RC_SUPP_RATES_CHANGED | 3282dcfe3b10SJohannes Berg IEEE80211_RC_NSS_CHANGED)) 3283dcfe3b10SJohannes Berg iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band, 3284dcfe3b10SJohannes Berg true); 3285e705c121SKalle Valo 3286e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_STATION && 3287e705c121SKalle Valo changed & IEEE80211_RC_NSS_CHANGED) 3288e705c121SKalle Valo iwl_mvm_sf_update(mvm, vif, false); 3289e705c121SKalle Valo } 3290e705c121SKalle Valo 3291e705c121SKalle Valo static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw, 3292e705c121SKalle Valo struct ieee80211_vif *vif, u16 ac, 3293e705c121SKalle Valo const struct ieee80211_tx_queue_params *params) 3294e705c121SKalle Valo { 3295e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3296e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3297e705c121SKalle Valo 3298e705c121SKalle Valo mvmvif->queue_params[ac] = *params; 3299e705c121SKalle Valo 3300e705c121SKalle Valo /* 3301e705c121SKalle Valo * No need to update right away, we'll get BSS_CHANGED_QOS 3302e705c121SKalle Valo * The exception is P2P_DEVICE interface which needs immediate update. 3303e705c121SKalle Valo */ 3304e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 3305e705c121SKalle Valo int ret; 3306e705c121SKalle Valo 3307e705c121SKalle Valo mutex_lock(&mvm->mutex); 3308e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 3309e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3310e705c121SKalle Valo return ret; 3311e705c121SKalle Valo } 3312e705c121SKalle Valo return 0; 3313e705c121SKalle Valo } 3314e705c121SKalle Valo 3315e705c121SKalle Valo static void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw, 3316d4e36e55SIlan Peer struct ieee80211_vif *vif, 331715fae341SJohannes Berg struct ieee80211_prep_tx_info *info) 3318e705c121SKalle Valo { 3319e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 33207c70fee5SSara Sharon u32 duration = IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS; 33217c70fee5SSara Sharon u32 min_duration = IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS; 3322e705c121SKalle Valo 332315fae341SJohannes Berg if (info->duration > duration) 332415fae341SJohannes Berg duration = info->duration; 3325d4e36e55SIlan Peer 3326e705c121SKalle Valo mutex_lock(&mvm->mutex); 3327fe959c7bSEmmanuel Grumbach /* Try really hard to protect the session and hear a beacon 3328fe959c7bSEmmanuel Grumbach * The new session protection command allows us to protect the 3329fe959c7bSEmmanuel Grumbach * session for a much longer time since the firmware will internally 3330fe959c7bSEmmanuel Grumbach * create two events: a 300TU one with a very high priority that 3331fe959c7bSEmmanuel Grumbach * won't be fragmented which should be enough for 99% of the cases, 3332fe959c7bSEmmanuel Grumbach * and another one (which we configure here to be 900TU long) which 3333fe959c7bSEmmanuel Grumbach * will have a slightly lower priority, but more importantly, can be 3334fe959c7bSEmmanuel Grumbach * fragmented so that it'll allow other activities to run. 3335fe959c7bSEmmanuel Grumbach */ 3336fe959c7bSEmmanuel Grumbach if (fw_has_capa(&mvm->fw->ucode_capa, 3337fe959c7bSEmmanuel Grumbach IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) 3338fe959c7bSEmmanuel Grumbach iwl_mvm_schedule_session_protection(mvm, vif, 900, 3339b5b878e3SEmmanuel Grumbach min_duration, false); 3340fe959c7bSEmmanuel Grumbach else 3341fe959c7bSEmmanuel Grumbach iwl_mvm_protect_session(mvm, vif, duration, 3342fe959c7bSEmmanuel Grumbach min_duration, 500, false); 3343e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3344e705c121SKalle Valo } 3345e705c121SKalle Valo 3346e705c121SKalle Valo static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw, 3347e705c121SKalle Valo struct ieee80211_vif *vif, 3348e705c121SKalle Valo struct cfg80211_sched_scan_request *req, 3349e705c121SKalle Valo struct ieee80211_scan_ies *ies) 3350e705c121SKalle Valo { 3351e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3352e705c121SKalle Valo 3353e705c121SKalle Valo int ret; 3354e705c121SKalle Valo 3355e705c121SKalle Valo mutex_lock(&mvm->mutex); 3356e705c121SKalle Valo 3357e705c121SKalle Valo if (!vif->bss_conf.idle) { 3358e705c121SKalle Valo ret = -EBUSY; 3359e705c121SKalle Valo goto out; 3360e705c121SKalle Valo } 3361e705c121SKalle Valo 3362e705c121SKalle Valo ret = iwl_mvm_sched_scan_start(mvm, vif, req, ies, IWL_MVM_SCAN_SCHED); 3363e705c121SKalle Valo 3364e705c121SKalle Valo out: 3365e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3366e705c121SKalle Valo return ret; 3367e705c121SKalle Valo } 3368e705c121SKalle Valo 3369e705c121SKalle Valo static int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw, 3370e705c121SKalle Valo struct ieee80211_vif *vif) 3371e705c121SKalle Valo { 3372e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3373e705c121SKalle Valo int ret; 3374e705c121SKalle Valo 3375e705c121SKalle Valo mutex_lock(&mvm->mutex); 3376e705c121SKalle Valo 3377e705c121SKalle Valo /* Due to a race condition, it's possible that mac80211 asks 3378e705c121SKalle Valo * us to stop a sched_scan when it's already stopped. This 3379e705c121SKalle Valo * can happen, for instance, if we stopped the scan ourselves, 3380e705c121SKalle Valo * called ieee80211_sched_scan_stopped() and the userspace called 3381e705c121SKalle Valo * stop sched scan scan before ieee80211_sched_scan_stopped_work() 3382e705c121SKalle Valo * could run. To handle this, simply return if the scan is 3383e705c121SKalle Valo * not running. 3384e705c121SKalle Valo */ 3385e705c121SKalle Valo if (!(mvm->scan_status & IWL_MVM_SCAN_SCHED)) { 3386e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3387e705c121SKalle Valo return 0; 3388e705c121SKalle Valo } 3389e705c121SKalle Valo 3390e705c121SKalle Valo ret = iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, false); 3391e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3392e705c121SKalle Valo iwl_mvm_wait_for_async_handlers(mvm); 3393e705c121SKalle Valo 3394e705c121SKalle Valo return ret; 3395e705c121SKalle Valo } 3396e705c121SKalle Valo 33976569e7d3SJohannes Berg static int __iwl_mvm_mac_set_key(struct ieee80211_hw *hw, 3398e705c121SKalle Valo enum set_key_cmd cmd, 3399e705c121SKalle Valo struct ieee80211_vif *vif, 3400e705c121SKalle Valo struct ieee80211_sta *sta, 3401e705c121SKalle Valo struct ieee80211_key_conf *key) 3402e705c121SKalle Valo { 3403c56e00a3SJohannes Berg struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3404e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3405f5e28eacSJohannes Berg struct iwl_mvm_sta *mvmsta; 3406f5e28eacSJohannes Berg struct iwl_mvm_key_pn *ptk_pn; 3407f5e28eacSJohannes Berg int keyidx = key->keyidx; 3408c56e00a3SJohannes Berg int ret, i; 34094615fd15SEmmanuel Grumbach u8 key_offset; 3410e705c121SKalle Valo 3411e705c121SKalle Valo switch (key->cipher) { 3412e705c121SKalle Valo case WLAN_CIPHER_SUITE_TKIP: 3413286ca8ebSLuca Coelho if (!mvm->trans->trans_cfg->gen2) { 3414e705c121SKalle Valo key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 34151ad4f639SEliad Peller key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 34167f768ad5SDavid Spinadel } else if (vif->type == NL80211_IFTYPE_STATION) { 34177f768ad5SDavid Spinadel key->flags |= IEEE80211_KEY_FLAG_PUT_MIC_SPACE; 34187f768ad5SDavid Spinadel } else { 34197f768ad5SDavid Spinadel IWL_DEBUG_MAC80211(mvm, "Use SW encryption for TKIP\n"); 34207f768ad5SDavid Spinadel return -EOPNOTSUPP; 34217f768ad5SDavid Spinadel } 3422e705c121SKalle Valo break; 3423e705c121SKalle Valo case WLAN_CIPHER_SUITE_CCMP: 34242a53d166SAyala Beker case WLAN_CIPHER_SUITE_GCMP: 34252a53d166SAyala Beker case WLAN_CIPHER_SUITE_GCMP_256: 342685aeb58cSDavid Spinadel if (!iwl_mvm_has_new_tx_api(mvm)) 3427e705c121SKalle Valo key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 3428e705c121SKalle Valo break; 3429e705c121SKalle Valo case WLAN_CIPHER_SUITE_AES_CMAC: 34308e160ab8SAyala Beker case WLAN_CIPHER_SUITE_BIP_GMAC_128: 34318e160ab8SAyala Beker case WLAN_CIPHER_SUITE_BIP_GMAC_256: 3432e705c121SKalle Valo WARN_ON_ONCE(!ieee80211_hw_check(hw, MFP_CAPABLE)); 3433e705c121SKalle Valo break; 3434e705c121SKalle Valo case WLAN_CIPHER_SUITE_WEP40: 3435e705c121SKalle Valo case WLAN_CIPHER_SUITE_WEP104: 3436475c6bdeSJohannes Berg if (vif->type == NL80211_IFTYPE_STATION) 3437e705c121SKalle Valo break; 3438475c6bdeSJohannes Berg if (iwl_mvm_has_new_tx_api(mvm)) 3439475c6bdeSJohannes Berg return -EOPNOTSUPP; 3440475c6bdeSJohannes Berg /* support HW crypto on TX */ 3441475c6bdeSJohannes Berg return 0; 3442e705c121SKalle Valo default: 3443e705c121SKalle Valo /* currently FW supports only one optional cipher scheme */ 3444e705c121SKalle Valo if (hw->n_cipher_schemes && 3445e705c121SKalle Valo hw->cipher_schemes->cipher == key->cipher) 3446e705c121SKalle Valo key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 3447e705c121SKalle Valo else 3448e705c121SKalle Valo return -EOPNOTSUPP; 3449e705c121SKalle Valo } 3450e705c121SKalle Valo 3451e705c121SKalle Valo switch (cmd) { 3452e705c121SKalle Valo case SET_KEY: 3453b1fdc250SJohannes Berg if (keyidx == 6 || keyidx == 7) 3454b1fdc250SJohannes Berg rcu_assign_pointer(mvmvif->bcn_prot.keys[keyidx - 6], 3455b1fdc250SJohannes Berg key); 3456b1fdc250SJohannes Berg 3457e705c121SKalle Valo if ((vif->type == NL80211_IFTYPE_ADHOC || 3458e705c121SKalle Valo vif->type == NL80211_IFTYPE_AP) && !sta) { 3459e705c121SKalle Valo /* 3460e705c121SKalle Valo * GTK on AP interface is a TX-only key, return 0; 3461e705c121SKalle Valo * on IBSS they're per-station and because we're lazy 3462e705c121SKalle Valo * we don't support them for RX, so do the same. 34638e160ab8SAyala Beker * CMAC/GMAC in AP/IBSS modes must be done in software. 3464e705c121SKalle Valo */ 34658e160ab8SAyala Beker if (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC || 34668e160ab8SAyala Beker key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 || 3467a1c2ff30SAndrei Otcheretianski key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256) { 346881279c49SJohannes Berg ret = -EOPNOTSUPP; 3469a1c2ff30SAndrei Otcheretianski break; 3470a1c2ff30SAndrei Otcheretianski } 347185aeb58cSDavid Spinadel 347285aeb58cSDavid Spinadel if (key->cipher != WLAN_CIPHER_SUITE_GCMP && 347385aeb58cSDavid Spinadel key->cipher != WLAN_CIPHER_SUITE_GCMP_256 && 347485aeb58cSDavid Spinadel !iwl_mvm_has_new_tx_api(mvm)) { 3475e705c121SKalle Valo key->hw_key_idx = STA_KEY_IDX_INVALID; 3476a1c2ff30SAndrei Otcheretianski ret = 0; 3477e705c121SKalle Valo break; 3478e705c121SKalle Valo } 3479c56e00a3SJohannes Berg 3480c56e00a3SJohannes Berg if (!mvmvif->ap_ibss_active) { 3481c56e00a3SJohannes Berg for (i = 0; 3482c56e00a3SJohannes Berg i < ARRAY_SIZE(mvmvif->ap_early_keys); 3483c56e00a3SJohannes Berg i++) { 3484c56e00a3SJohannes Berg if (!mvmvif->ap_early_keys[i]) { 3485c56e00a3SJohannes Berg mvmvif->ap_early_keys[i] = key; 3486c56e00a3SJohannes Berg break; 3487c56e00a3SJohannes Berg } 3488c56e00a3SJohannes Berg } 3489c56e00a3SJohannes Berg 3490c56e00a3SJohannes Berg if (i >= ARRAY_SIZE(mvmvif->ap_early_keys)) 3491c56e00a3SJohannes Berg ret = -ENOSPC; 3492a1c2ff30SAndrei Otcheretianski else 3493a1c2ff30SAndrei Otcheretianski ret = 0; 3494c56e00a3SJohannes Berg 3495c56e00a3SJohannes Berg break; 3496c56e00a3SJohannes Berg } 349785aeb58cSDavid Spinadel } 3498e705c121SKalle Valo 3499e705c121SKalle Valo /* During FW restart, in order to restore the state as it was, 3500e705c121SKalle Valo * don't try to reprogram keys we previously failed for. 3501e705c121SKalle Valo */ 3502e705c121SKalle Valo if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 3503e705c121SKalle Valo key->hw_key_idx == STA_KEY_IDX_INVALID) { 3504e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, 3505e705c121SKalle Valo "skip invalid idx key programming during restart\n"); 3506e705c121SKalle Valo ret = 0; 3507e705c121SKalle Valo break; 3508e705c121SKalle Valo } 3509e705c121SKalle Valo 3510f5e28eacSJohannes Berg if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 3511f5e28eacSJohannes Berg sta && iwl_mvm_has_new_rx_api(mvm) && 3512f5e28eacSJohannes Berg key->flags & IEEE80211_KEY_FLAG_PAIRWISE && 3513f5e28eacSJohannes Berg (key->cipher == WLAN_CIPHER_SUITE_CCMP || 35142a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP || 35152a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { 3516f5e28eacSJohannes Berg struct ieee80211_key_seq seq; 3517f5e28eacSJohannes Berg int tid, q; 3518f5e28eacSJohannes Berg 3519f5e28eacSJohannes Berg mvmsta = iwl_mvm_sta_from_mac80211(sta); 3520f5e28eacSJohannes Berg WARN_ON(rcu_access_pointer(mvmsta->ptk_pn[keyidx])); 3521acafe7e3SKees Cook ptk_pn = kzalloc(struct_size(ptk_pn, q, 3522acafe7e3SKees Cook mvm->trans->num_rx_queues), 3523f5e28eacSJohannes Berg GFP_KERNEL); 3524f5e28eacSJohannes Berg if (!ptk_pn) { 3525f5e28eacSJohannes Berg ret = -ENOMEM; 3526f5e28eacSJohannes Berg break; 3527f5e28eacSJohannes Berg } 3528f5e28eacSJohannes Berg 3529f5e28eacSJohannes Berg for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { 3530f5e28eacSJohannes Berg ieee80211_get_key_rx_seq(key, tid, &seq); 3531f5e28eacSJohannes Berg for (q = 0; q < mvm->trans->num_rx_queues; q++) 3532f5e28eacSJohannes Berg memcpy(ptk_pn->q[q].pn[tid], 3533f5e28eacSJohannes Berg seq.ccmp.pn, 3534f5e28eacSJohannes Berg IEEE80211_CCMP_PN_LEN); 3535f5e28eacSJohannes Berg } 3536f5e28eacSJohannes Berg 3537f5e28eacSJohannes Berg rcu_assign_pointer(mvmsta->ptk_pn[keyidx], ptk_pn); 3538f5e28eacSJohannes Berg } 3539f5e28eacSJohannes Berg 35404615fd15SEmmanuel Grumbach /* in HW restart reuse the index, otherwise request a new one */ 35414615fd15SEmmanuel Grumbach if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 35424615fd15SEmmanuel Grumbach key_offset = key->hw_key_idx; 35434615fd15SEmmanuel Grumbach else 35444615fd15SEmmanuel Grumbach key_offset = STA_KEY_IDX_INVALID; 35454615fd15SEmmanuel Grumbach 3546e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "set hwcrypto key\n"); 35474615fd15SEmmanuel Grumbach ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, key_offset); 3548e705c121SKalle Valo if (ret) { 3549e705c121SKalle Valo IWL_WARN(mvm, "set key failed\n"); 3550475c6bdeSJohannes Berg key->hw_key_idx = STA_KEY_IDX_INVALID; 3551e705c121SKalle Valo /* 3552e705c121SKalle Valo * can't add key for RX, but we don't need it 3553475c6bdeSJohannes Berg * in the device for TX so still return 0, 3554475c6bdeSJohannes Berg * unless we have new TX API where we cannot 3555475c6bdeSJohannes Berg * put key material into the TX_CMD 3556e705c121SKalle Valo */ 3557475c6bdeSJohannes Berg if (iwl_mvm_has_new_tx_api(mvm)) 3558475c6bdeSJohannes Berg ret = -EOPNOTSUPP; 3559475c6bdeSJohannes Berg else 3560e705c121SKalle Valo ret = 0; 3561e705c121SKalle Valo } 3562e705c121SKalle Valo 3563e705c121SKalle Valo break; 3564e705c121SKalle Valo case DISABLE_KEY: 3565b1fdc250SJohannes Berg if (keyidx == 6 || keyidx == 7) 3566b1fdc250SJohannes Berg RCU_INIT_POINTER(mvmvif->bcn_prot.keys[keyidx - 6], 3567b1fdc250SJohannes Berg NULL); 3568b1fdc250SJohannes Berg 3569c56e00a3SJohannes Berg ret = -ENOENT; 3570c56e00a3SJohannes Berg for (i = 0; i < ARRAY_SIZE(mvmvif->ap_early_keys); i++) { 3571c56e00a3SJohannes Berg if (mvmvif->ap_early_keys[i] == key) { 3572c56e00a3SJohannes Berg mvmvif->ap_early_keys[i] = NULL; 3573c56e00a3SJohannes Berg ret = 0; 3574c56e00a3SJohannes Berg } 3575c56e00a3SJohannes Berg } 3576c56e00a3SJohannes Berg 3577c56e00a3SJohannes Berg /* found in pending list - don't do anything else */ 3578c56e00a3SJohannes Berg if (ret == 0) 3579c56e00a3SJohannes Berg break; 3580c56e00a3SJohannes Berg 3581e705c121SKalle Valo if (key->hw_key_idx == STA_KEY_IDX_INVALID) { 3582e705c121SKalle Valo ret = 0; 3583e705c121SKalle Valo break; 3584e705c121SKalle Valo } 3585e705c121SKalle Valo 3586f5e28eacSJohannes Berg if (sta && iwl_mvm_has_new_rx_api(mvm) && 3587f5e28eacSJohannes Berg key->flags & IEEE80211_KEY_FLAG_PAIRWISE && 3588f5e28eacSJohannes Berg (key->cipher == WLAN_CIPHER_SUITE_CCMP || 35892a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP || 35902a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { 3591f5e28eacSJohannes Berg mvmsta = iwl_mvm_sta_from_mac80211(sta); 3592f5e28eacSJohannes Berg ptk_pn = rcu_dereference_protected( 3593f5e28eacSJohannes Berg mvmsta->ptk_pn[keyidx], 3594f5e28eacSJohannes Berg lockdep_is_held(&mvm->mutex)); 3595f5e28eacSJohannes Berg RCU_INIT_POINTER(mvmsta->ptk_pn[keyidx], NULL); 3596f5e28eacSJohannes Berg if (ptk_pn) 3597f5e28eacSJohannes Berg kfree_rcu(ptk_pn, rcu_head); 3598f5e28eacSJohannes Berg } 3599f5e28eacSJohannes Berg 3600e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n"); 3601e705c121SKalle Valo ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key); 3602e705c121SKalle Valo break; 3603e705c121SKalle Valo default: 3604e705c121SKalle Valo ret = -EINVAL; 3605e705c121SKalle Valo } 3606e705c121SKalle Valo 36076569e7d3SJohannes Berg return ret; 36086569e7d3SJohannes Berg } 36096569e7d3SJohannes Berg 36106569e7d3SJohannes Berg static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, 36116569e7d3SJohannes Berg enum set_key_cmd cmd, 36126569e7d3SJohannes Berg struct ieee80211_vif *vif, 36136569e7d3SJohannes Berg struct ieee80211_sta *sta, 36146569e7d3SJohannes Berg struct ieee80211_key_conf *key) 36156569e7d3SJohannes Berg { 36166569e7d3SJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 36176569e7d3SJohannes Berg int ret; 36186569e7d3SJohannes Berg 36196569e7d3SJohannes Berg mutex_lock(&mvm->mutex); 36206569e7d3SJohannes Berg ret = __iwl_mvm_mac_set_key(hw, cmd, vif, sta, key); 3621e705c121SKalle Valo mutex_unlock(&mvm->mutex); 36226569e7d3SJohannes Berg 3623e705c121SKalle Valo return ret; 3624e705c121SKalle Valo } 3625e705c121SKalle Valo 3626e705c121SKalle Valo static void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw, 3627e705c121SKalle Valo struct ieee80211_vif *vif, 3628e705c121SKalle Valo struct ieee80211_key_conf *keyconf, 3629e705c121SKalle Valo struct ieee80211_sta *sta, 3630e705c121SKalle Valo u32 iv32, u16 *phase1key) 3631e705c121SKalle Valo { 3632e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3633e705c121SKalle Valo 3634e705c121SKalle Valo if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID) 3635e705c121SKalle Valo return; 3636e705c121SKalle Valo 3637e705c121SKalle Valo iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key); 3638e705c121SKalle Valo } 3639e705c121SKalle Valo 3640e705c121SKalle Valo 3641e705c121SKalle Valo static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data *notif_wait, 3642e705c121SKalle Valo struct iwl_rx_packet *pkt, void *data) 3643e705c121SKalle Valo { 3644e705c121SKalle Valo struct iwl_mvm *mvm = 3645e705c121SKalle Valo container_of(notif_wait, struct iwl_mvm, notif_wait); 3646e705c121SKalle Valo struct iwl_hs20_roc_res *resp; 3647e705c121SKalle Valo int resp_len = iwl_rx_packet_payload_len(pkt); 3648e705c121SKalle Valo struct iwl_mvm_time_event_data *te_data = data; 3649e705c121SKalle Valo 3650e705c121SKalle Valo if (WARN_ON(pkt->hdr.cmd != HOT_SPOT_CMD)) 3651e705c121SKalle Valo return true; 3652e705c121SKalle Valo 3653e705c121SKalle Valo if (WARN_ON_ONCE(resp_len != sizeof(*resp))) { 3654e705c121SKalle Valo IWL_ERR(mvm, "Invalid HOT_SPOT_CMD response\n"); 3655e705c121SKalle Valo return true; 3656e705c121SKalle Valo } 3657e705c121SKalle Valo 3658e705c121SKalle Valo resp = (void *)pkt->data; 3659e705c121SKalle Valo 3660e705c121SKalle Valo IWL_DEBUG_TE(mvm, 3661b71a9c35SColin Ian King "Aux ROC: Received response from ucode: status=%d uid=%d\n", 3662e705c121SKalle Valo resp->status, resp->event_unique_id); 3663e705c121SKalle Valo 3664e705c121SKalle Valo te_data->uid = le32_to_cpu(resp->event_unique_id); 3665e705c121SKalle Valo IWL_DEBUG_TE(mvm, "TIME_EVENT_CMD response - UID = 0x%x\n", 3666e705c121SKalle Valo te_data->uid); 3667e705c121SKalle Valo 3668e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 3669e705c121SKalle Valo list_add_tail(&te_data->list, &mvm->aux_roc_te_list); 3670e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 3671e705c121SKalle Valo 3672e705c121SKalle Valo return true; 3673e705c121SKalle Valo } 3674e705c121SKalle Valo 3675dc28e12fSMatti Gottlieb #define AUX_ROC_MIN_DURATION MSEC_TO_TU(100) 3676dc28e12fSMatti Gottlieb #define AUX_ROC_MIN_DELAY MSEC_TO_TU(200) 3677dc28e12fSMatti Gottlieb #define AUX_ROC_MAX_DELAY MSEC_TO_TU(600) 3678dc28e12fSMatti Gottlieb #define AUX_ROC_SAFETY_BUFFER MSEC_TO_TU(20) 3679dc28e12fSMatti Gottlieb #define AUX_ROC_MIN_SAFETY_BUFFER MSEC_TO_TU(10) 3680e705c121SKalle Valo static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm, 3681e705c121SKalle Valo struct ieee80211_channel *channel, 3682e705c121SKalle Valo struct ieee80211_vif *vif, 3683e705c121SKalle Valo int duration) 3684e705c121SKalle Valo { 3685afc1e3b4SAvraham Stern int res; 3686e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3687e705c121SKalle Valo struct iwl_mvm_time_event_data *te_data = &mvmvif->hs_time_event_data; 3688e705c121SKalle Valo static const u16 time_event_response[] = { HOT_SPOT_CMD }; 3689e705c121SKalle Valo struct iwl_notification_wait wait_time_event; 3690dc28e12fSMatti Gottlieb u32 dtim_interval = vif->bss_conf.dtim_period * 3691dc28e12fSMatti Gottlieb vif->bss_conf.beacon_int; 3692dc28e12fSMatti Gottlieb u32 req_dur, delay; 3693e705c121SKalle Valo struct iwl_hs20_roc_req aux_roc_req = { 3694e705c121SKalle Valo .action = cpu_to_le32(FW_CTXT_ACTION_ADD), 3695e705c121SKalle Valo .id_and_color = 3696e705c121SKalle Valo cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX, 0)), 3697e705c121SKalle Valo .sta_id_and_color = cpu_to_le32(mvm->aux_sta.sta_id), 3698e705c121SKalle Valo }; 369957e861d9SDavid Spinadel struct iwl_hs20_roc_req_tail *tail = iwl_mvm_chan_info_cmd_tail(mvm, 370057e861d9SDavid Spinadel &aux_roc_req.channel_info); 370157e861d9SDavid Spinadel u16 len = sizeof(aux_roc_req) - iwl_mvm_chan_info_padding(mvm); 370257e861d9SDavid Spinadel 370357e861d9SDavid Spinadel /* Set the channel info data */ 370457e861d9SDavid Spinadel iwl_mvm_set_chan_info(mvm, &aux_roc_req.channel_info, channel->hw_value, 37053717f91aSTova Mussai iwl_mvm_phy_band_from_nl80211(channel->band), 370657e861d9SDavid Spinadel PHY_VHT_CHANNEL_MODE20, 370757e861d9SDavid Spinadel 0); 370857e861d9SDavid Spinadel 370957e861d9SDavid Spinadel /* Set the time and duration */ 3710afc1e3b4SAvraham Stern tail->apply_time = cpu_to_le32(iwl_mvm_get_systime(mvm)); 3711e705c121SKalle Valo 3712dc28e12fSMatti Gottlieb delay = AUX_ROC_MIN_DELAY; 3713dc28e12fSMatti Gottlieb req_dur = MSEC_TO_TU(duration); 3714dc28e12fSMatti Gottlieb 3715dc28e12fSMatti Gottlieb /* 3716dc28e12fSMatti Gottlieb * If we are associated we want the delay time to be at least one 3717dc28e12fSMatti Gottlieb * dtim interval so that the FW can wait until after the DTIM and 3718dc28e12fSMatti Gottlieb * then start the time event, this will potentially allow us to 3719dc28e12fSMatti Gottlieb * remain off-channel for the max duration. 3720dc28e12fSMatti Gottlieb * Since we want to use almost a whole dtim interval we would also 3721dc28e12fSMatti Gottlieb * like the delay to be for 2-3 dtim intervals, in case there are 3722dc28e12fSMatti Gottlieb * other time events with higher priority. 3723dc28e12fSMatti Gottlieb */ 3724dc28e12fSMatti Gottlieb if (vif->bss_conf.assoc) { 3725dc28e12fSMatti Gottlieb delay = min_t(u32, dtim_interval * 3, AUX_ROC_MAX_DELAY); 3726dc28e12fSMatti Gottlieb /* We cannot remain off-channel longer than the DTIM interval */ 3727dc28e12fSMatti Gottlieb if (dtim_interval <= req_dur) { 3728dc28e12fSMatti Gottlieb req_dur = dtim_interval - AUX_ROC_SAFETY_BUFFER; 3729dc28e12fSMatti Gottlieb if (req_dur <= AUX_ROC_MIN_DURATION) 3730dc28e12fSMatti Gottlieb req_dur = dtim_interval - 3731dc28e12fSMatti Gottlieb AUX_ROC_MIN_SAFETY_BUFFER; 3732dc28e12fSMatti Gottlieb } 3733dc28e12fSMatti Gottlieb } 3734dc28e12fSMatti Gottlieb 373557e861d9SDavid Spinadel tail->duration = cpu_to_le32(req_dur); 373657e861d9SDavid Spinadel tail->apply_time_max_delay = cpu_to_le32(delay); 3737dc28e12fSMatti Gottlieb 3738dc28e12fSMatti Gottlieb IWL_DEBUG_TE(mvm, 3739903b3f9bSEmmanuel Grumbach "ROC: Requesting to remain on channel %u for %ums\n", 3740903b3f9bSEmmanuel Grumbach channel->hw_value, req_dur); 3741903b3f9bSEmmanuel Grumbach IWL_DEBUG_TE(mvm, 3742903b3f9bSEmmanuel Grumbach "\t(requested = %ums, max_delay = %ums, dtim_interval = %ums)\n", 3743903b3f9bSEmmanuel Grumbach duration, delay, dtim_interval); 3744903b3f9bSEmmanuel Grumbach 3745e705c121SKalle Valo /* Set the node address */ 374657e861d9SDavid Spinadel memcpy(tail->node_addr, vif->addr, ETH_ALEN); 3747e705c121SKalle Valo 3748e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 3749e705c121SKalle Valo 3750e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 3751e705c121SKalle Valo 3752e705c121SKalle Valo if (WARN_ON(te_data->id == HOT_SPOT_CMD)) { 3753e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 3754e705c121SKalle Valo return -EIO; 3755e705c121SKalle Valo } 3756e705c121SKalle Valo 3757e705c121SKalle Valo te_data->vif = vif; 3758e705c121SKalle Valo te_data->duration = duration; 3759e705c121SKalle Valo te_data->id = HOT_SPOT_CMD; 3760e705c121SKalle Valo 3761e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 3762e705c121SKalle Valo 3763e705c121SKalle Valo /* 3764e705c121SKalle Valo * Use a notification wait, which really just processes the 3765e705c121SKalle Valo * command response and doesn't wait for anything, in order 3766e705c121SKalle Valo * to be able to process the response and get the UID inside 3767e705c121SKalle Valo * the RX path. Using CMD_WANT_SKB doesn't work because it 3768e705c121SKalle Valo * stores the buffer and then wakes up this thread, by which 3769e705c121SKalle Valo * time another notification (that the time event started) 3770e705c121SKalle Valo * might already be processed unsuccessfully. 3771e705c121SKalle Valo */ 3772e705c121SKalle Valo iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event, 3773e705c121SKalle Valo time_event_response, 3774e705c121SKalle Valo ARRAY_SIZE(time_event_response), 3775e705c121SKalle Valo iwl_mvm_rx_aux_roc, te_data); 3776e705c121SKalle Valo 377757e861d9SDavid Spinadel res = iwl_mvm_send_cmd_pdu(mvm, HOT_SPOT_CMD, 0, len, 3778e705c121SKalle Valo &aux_roc_req); 3779e705c121SKalle Valo 3780e705c121SKalle Valo if (res) { 3781e705c121SKalle Valo IWL_ERR(mvm, "Couldn't send HOT_SPOT_CMD: %d\n", res); 3782e705c121SKalle Valo iwl_remove_notification(&mvm->notif_wait, &wait_time_event); 3783e705c121SKalle Valo goto out_clear_te; 3784e705c121SKalle Valo } 3785e705c121SKalle Valo 3786e705c121SKalle Valo /* No need to wait for anything, so just pass 1 (0 isn't valid) */ 3787e705c121SKalle Valo res = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1); 3788e705c121SKalle Valo /* should never fail */ 3789e705c121SKalle Valo WARN_ON_ONCE(res); 3790e705c121SKalle Valo 3791e705c121SKalle Valo if (res) { 3792e705c121SKalle Valo out_clear_te: 3793e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 3794e705c121SKalle Valo iwl_mvm_te_clear_data(mvm, te_data); 3795e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 3796e705c121SKalle Valo } 3797e705c121SKalle Valo 3798e705c121SKalle Valo return res; 3799e705c121SKalle Valo } 3800e705c121SKalle Valo 3801e705c121SKalle Valo static int iwl_mvm_roc(struct ieee80211_hw *hw, 3802e705c121SKalle Valo struct ieee80211_vif *vif, 3803e705c121SKalle Valo struct ieee80211_channel *channel, 3804e705c121SKalle Valo int duration, 3805e705c121SKalle Valo enum ieee80211_roc_type type) 3806e705c121SKalle Valo { 3807e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3808e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3809e705c121SKalle Valo struct cfg80211_chan_def chandef; 3810e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt; 38118835a64fSJohannes Berg bool band_change_removal; 3812e705c121SKalle Valo int ret, i; 3813e705c121SKalle Valo 3814e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value, 3815e705c121SKalle Valo duration, type); 3816e705c121SKalle Valo 38179834781cSJohannes Berg /* 38189834781cSJohannes Berg * Flush the done work, just in case it's still pending, so that 38199834781cSJohannes Berg * the work it does can complete and we can accept new frames. 38209834781cSJohannes Berg */ 3821e705c121SKalle Valo flush_work(&mvm->roc_done_wk); 3822e705c121SKalle Valo 3823e705c121SKalle Valo mutex_lock(&mvm->mutex); 3824e705c121SKalle Valo 3825e705c121SKalle Valo switch (vif->type) { 3826e705c121SKalle Valo case NL80211_IFTYPE_STATION: 3827e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 3828e705c121SKalle Valo IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT)) { 3829e705c121SKalle Valo /* Use aux roc framework (HS20) */ 38302c2c3647SNathan Errera if (iwl_fw_lookup_cmd_ver(mvm->fw, LONG_GROUP, 38312c2c3647SNathan Errera ADD_STA, 0) >= 12) { 38322c2c3647SNathan Errera u32 lmac_id; 38332c2c3647SNathan Errera 38342c2c3647SNathan Errera lmac_id = iwl_mvm_get_lmac_id(mvm->fw, 38352c2c3647SNathan Errera channel->band); 38362c2c3647SNathan Errera ret = iwl_mvm_add_aux_sta(mvm, lmac_id); 38372c2c3647SNathan Errera if (WARN(ret, 38382c2c3647SNathan Errera "Failed to allocate aux station")) 38392c2c3647SNathan Errera goto out_unlock; 38402c2c3647SNathan Errera } 3841e705c121SKalle Valo ret = iwl_mvm_send_aux_roc_cmd(mvm, channel, 3842e705c121SKalle Valo vif, duration); 3843e705c121SKalle Valo goto out_unlock; 3844e705c121SKalle Valo } 3845e705c121SKalle Valo IWL_ERR(mvm, "hotspot not supported\n"); 3846e705c121SKalle Valo ret = -EINVAL; 3847e705c121SKalle Valo goto out_unlock; 3848e705c121SKalle Valo case NL80211_IFTYPE_P2P_DEVICE: 3849e705c121SKalle Valo /* handle below */ 3850e705c121SKalle Valo break; 3851e705c121SKalle Valo default: 3852e705c121SKalle Valo IWL_ERR(mvm, "vif isn't P2P_DEVICE: %d\n", vif->type); 3853e705c121SKalle Valo ret = -EINVAL; 3854e705c121SKalle Valo goto out_unlock; 3855e705c121SKalle Valo } 3856e705c121SKalle Valo 3857e705c121SKalle Valo for (i = 0; i < NUM_PHY_CTX; i++) { 3858e705c121SKalle Valo phy_ctxt = &mvm->phy_ctxts[i]; 3859e705c121SKalle Valo if (phy_ctxt->ref == 0 || mvmvif->phy_ctxt == phy_ctxt) 3860e705c121SKalle Valo continue; 3861e705c121SKalle Valo 3862e705c121SKalle Valo if (phy_ctxt->ref && channel == phy_ctxt->channel) { 3863e705c121SKalle Valo /* 3864e705c121SKalle Valo * Unbind the P2P_DEVICE from the current PHY context, 3865e705c121SKalle Valo * and if the PHY context is not used remove it. 3866e705c121SKalle Valo */ 3867e705c121SKalle Valo ret = iwl_mvm_binding_remove_vif(mvm, vif); 3868e705c121SKalle Valo if (WARN(ret, "Failed unbinding P2P_DEVICE\n")) 3869e705c121SKalle Valo goto out_unlock; 3870e705c121SKalle Valo 3871e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); 3872e705c121SKalle Valo 3873e705c121SKalle Valo /* Bind the P2P_DEVICE to the current PHY Context */ 3874e705c121SKalle Valo mvmvif->phy_ctxt = phy_ctxt; 3875e705c121SKalle Valo 3876e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 3877e705c121SKalle Valo if (WARN(ret, "Failed binding P2P_DEVICE\n")) 3878e705c121SKalle Valo goto out_unlock; 3879e705c121SKalle Valo 3880e705c121SKalle Valo iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt); 3881e705c121SKalle Valo goto schedule_time_event; 3882e705c121SKalle Valo } 3883e705c121SKalle Valo } 3884e705c121SKalle Valo 3885e705c121SKalle Valo /* Need to update the PHY context only if the ROC channel changed */ 3886e705c121SKalle Valo if (channel == mvmvif->phy_ctxt->channel) 3887e705c121SKalle Valo goto schedule_time_event; 3888e705c121SKalle Valo 3889e705c121SKalle Valo cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT); 3890e705c121SKalle Valo 3891e705c121SKalle Valo /* 38928835a64fSJohannes Berg * Check if the remain-on-channel is on a different band and that 38938835a64fSJohannes Berg * requires context removal, see iwl_mvm_phy_ctxt_changed(). If 38948835a64fSJohannes Berg * so, we'll need to release and then re-configure here, since we 38958835a64fSJohannes Berg * must not remove a PHY context that's part of a binding. 3896e705c121SKalle Valo */ 38978835a64fSJohannes Berg band_change_removal = 38988835a64fSJohannes Berg fw_has_capa(&mvm->fw->ucode_capa, 38998835a64fSJohannes Berg IWL_UCODE_TLV_CAPA_BINDING_CDB_SUPPORT) && 39008835a64fSJohannes Berg mvmvif->phy_ctxt->channel->band != chandef.chan->band; 39018835a64fSJohannes Berg 39028835a64fSJohannes Berg if (mvmvif->phy_ctxt->ref == 1 && !band_change_removal) { 39038835a64fSJohannes Berg /* 39048835a64fSJohannes Berg * Change the PHY context configuration as it is currently 39058835a64fSJohannes Berg * referenced only by the P2P Device MAC (and we can modify it) 39068835a64fSJohannes Berg */ 3907e705c121SKalle Valo ret = iwl_mvm_phy_ctxt_changed(mvm, mvmvif->phy_ctxt, 3908e705c121SKalle Valo &chandef, 1, 1); 3909e705c121SKalle Valo if (ret) 3910e705c121SKalle Valo goto out_unlock; 3911e705c121SKalle Valo } else { 3912e705c121SKalle Valo /* 39138835a64fSJohannes Berg * The PHY context is shared with other MACs (or we're trying to 39148835a64fSJohannes Berg * switch bands), so remove the P2P Device from the binding, 39158835a64fSJohannes Berg * allocate an new PHY context and create a new binding. 3916e705c121SKalle Valo */ 3917e705c121SKalle Valo phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 3918e705c121SKalle Valo if (!phy_ctxt) { 3919e705c121SKalle Valo ret = -ENOSPC; 3920e705c121SKalle Valo goto out_unlock; 3921e705c121SKalle Valo } 3922e705c121SKalle Valo 3923e705c121SKalle Valo ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &chandef, 3924e705c121SKalle Valo 1, 1); 3925e705c121SKalle Valo if (ret) { 3926e705c121SKalle Valo IWL_ERR(mvm, "Failed to change PHY context\n"); 3927e705c121SKalle Valo goto out_unlock; 3928e705c121SKalle Valo } 3929e705c121SKalle Valo 3930e705c121SKalle Valo /* Unbind the P2P_DEVICE from the current PHY context */ 3931e705c121SKalle Valo ret = iwl_mvm_binding_remove_vif(mvm, vif); 3932e705c121SKalle Valo if (WARN(ret, "Failed unbinding P2P_DEVICE\n")) 3933e705c121SKalle Valo goto out_unlock; 3934e705c121SKalle Valo 3935e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); 3936e705c121SKalle Valo 3937e705c121SKalle Valo /* Bind the P2P_DEVICE to the new allocated PHY context */ 3938e705c121SKalle Valo mvmvif->phy_ctxt = phy_ctxt; 3939e705c121SKalle Valo 3940e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 3941e705c121SKalle Valo if (WARN(ret, "Failed binding P2P_DEVICE\n")) 3942e705c121SKalle Valo goto out_unlock; 3943e705c121SKalle Valo 3944e705c121SKalle Valo iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt); 3945e705c121SKalle Valo } 3946e705c121SKalle Valo 3947e705c121SKalle Valo schedule_time_event: 3948e705c121SKalle Valo /* Schedule the time events */ 3949e705c121SKalle Valo ret = iwl_mvm_start_p2p_roc(mvm, vif, duration, type); 3950e705c121SKalle Valo 3951e705c121SKalle Valo out_unlock: 3952e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3953e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "leave\n"); 3954e705c121SKalle Valo return ret; 3955e705c121SKalle Valo } 3956e705c121SKalle Valo 39575db4c4b9SEmmanuel Grumbach static int iwl_mvm_cancel_roc(struct ieee80211_hw *hw, 39585db4c4b9SEmmanuel Grumbach struct ieee80211_vif *vif) 3959e705c121SKalle Valo { 3960e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3961e705c121SKalle Valo 3962e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "enter\n"); 3963e705c121SKalle Valo 3964e705c121SKalle Valo mutex_lock(&mvm->mutex); 3965fe959c7bSEmmanuel Grumbach iwl_mvm_stop_roc(mvm, vif); 3966e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3967e705c121SKalle Valo 3968e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "leave\n"); 3969e705c121SKalle Valo return 0; 3970e705c121SKalle Valo } 3971e705c121SKalle Valo 3972b73f9a4aSJohannes Berg struct iwl_mvm_ftm_responder_iter_data { 3973b73f9a4aSJohannes Berg bool responder; 3974b73f9a4aSJohannes Berg struct ieee80211_chanctx_conf *ctx; 3975b73f9a4aSJohannes Berg }; 3976b73f9a4aSJohannes Berg 3977b73f9a4aSJohannes Berg static void iwl_mvm_ftm_responder_chanctx_iter(void *_data, u8 *mac, 3978b73f9a4aSJohannes Berg struct ieee80211_vif *vif) 3979b73f9a4aSJohannes Berg { 3980b73f9a4aSJohannes Berg struct iwl_mvm_ftm_responder_iter_data *data = _data; 3981b73f9a4aSJohannes Berg 3982b73f9a4aSJohannes Berg if (rcu_access_pointer(vif->chanctx_conf) == data->ctx && 3983b73f9a4aSJohannes Berg vif->type == NL80211_IFTYPE_AP && vif->bss_conf.ftmr_params) 3984b73f9a4aSJohannes Berg data->responder = true; 3985b73f9a4aSJohannes Berg } 3986b73f9a4aSJohannes Berg 3987b73f9a4aSJohannes Berg static bool iwl_mvm_is_ftm_responder_chanctx(struct iwl_mvm *mvm, 3988b73f9a4aSJohannes Berg struct ieee80211_chanctx_conf *ctx) 3989b73f9a4aSJohannes Berg { 3990b73f9a4aSJohannes Berg struct iwl_mvm_ftm_responder_iter_data data = { 3991b73f9a4aSJohannes Berg .responder = false, 3992b73f9a4aSJohannes Berg .ctx = ctx, 3993b73f9a4aSJohannes Berg }; 3994b73f9a4aSJohannes Berg 3995b73f9a4aSJohannes Berg ieee80211_iterate_active_interfaces_atomic(mvm->hw, 3996b73f9a4aSJohannes Berg IEEE80211_IFACE_ITER_NORMAL, 3997b73f9a4aSJohannes Berg iwl_mvm_ftm_responder_chanctx_iter, 3998b73f9a4aSJohannes Berg &data); 3999b73f9a4aSJohannes Berg return data.responder; 4000b73f9a4aSJohannes Berg } 4001b73f9a4aSJohannes Berg 4002e705c121SKalle Valo static int __iwl_mvm_add_chanctx(struct iwl_mvm *mvm, 4003e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 4004e705c121SKalle Valo { 4005e705c121SKalle Valo u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 4006e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt; 4007b73f9a4aSJohannes Berg bool responder = iwl_mvm_is_ftm_responder_chanctx(mvm, ctx); 4008b73f9a4aSJohannes Berg struct cfg80211_chan_def *def = responder ? &ctx->def : &ctx->min_def; 4009e705c121SKalle Valo int ret; 4010e705c121SKalle Valo 4011e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 4012e705c121SKalle Valo 4013e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "Add channel context\n"); 4014e705c121SKalle Valo 4015e705c121SKalle Valo phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 4016e705c121SKalle Valo if (!phy_ctxt) { 4017e705c121SKalle Valo ret = -ENOSPC; 4018e705c121SKalle Valo goto out; 4019e705c121SKalle Valo } 4020e705c121SKalle Valo 4021b73f9a4aSJohannes Berg ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, def, 4022e705c121SKalle Valo ctx->rx_chains_static, 4023e705c121SKalle Valo ctx->rx_chains_dynamic); 4024e705c121SKalle Valo if (ret) { 4025e705c121SKalle Valo IWL_ERR(mvm, "Failed to add PHY context\n"); 4026e705c121SKalle Valo goto out; 4027e705c121SKalle Valo } 4028e705c121SKalle Valo 4029e705c121SKalle Valo iwl_mvm_phy_ctxt_ref(mvm, phy_ctxt); 4030e705c121SKalle Valo *phy_ctxt_id = phy_ctxt->id; 4031e705c121SKalle Valo out: 4032e705c121SKalle Valo return ret; 4033e705c121SKalle Valo } 4034e705c121SKalle Valo 4035e705c121SKalle Valo static int iwl_mvm_add_chanctx(struct ieee80211_hw *hw, 4036e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 4037e705c121SKalle Valo { 4038e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4039e705c121SKalle Valo int ret; 4040e705c121SKalle Valo 4041e705c121SKalle Valo mutex_lock(&mvm->mutex); 4042e705c121SKalle Valo ret = __iwl_mvm_add_chanctx(mvm, ctx); 4043e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4044e705c121SKalle Valo 4045e705c121SKalle Valo return ret; 4046e705c121SKalle Valo } 4047e705c121SKalle Valo 4048e705c121SKalle Valo static void __iwl_mvm_remove_chanctx(struct iwl_mvm *mvm, 4049e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 4050e705c121SKalle Valo { 4051e705c121SKalle Valo u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 4052e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 4053e705c121SKalle Valo 4054e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 4055e705c121SKalle Valo 4056e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt); 4057e705c121SKalle Valo } 4058e705c121SKalle Valo 4059e705c121SKalle Valo static void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw, 4060e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 4061e705c121SKalle Valo { 4062e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4063e705c121SKalle Valo 4064e705c121SKalle Valo mutex_lock(&mvm->mutex); 4065e705c121SKalle Valo __iwl_mvm_remove_chanctx(mvm, ctx); 4066e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4067e705c121SKalle Valo } 4068e705c121SKalle Valo 4069e705c121SKalle Valo static void iwl_mvm_change_chanctx(struct ieee80211_hw *hw, 4070e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx, 4071e705c121SKalle Valo u32 changed) 4072e705c121SKalle Valo { 4073e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4074e705c121SKalle Valo u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 4075e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 4076b73f9a4aSJohannes Berg bool responder = iwl_mvm_is_ftm_responder_chanctx(mvm, ctx); 4077b73f9a4aSJohannes Berg struct cfg80211_chan_def *def = responder ? &ctx->def : &ctx->min_def; 4078e705c121SKalle Valo 4079e705c121SKalle Valo if (WARN_ONCE((phy_ctxt->ref > 1) && 4080e705c121SKalle Valo (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH | 4081e705c121SKalle Valo IEEE80211_CHANCTX_CHANGE_RX_CHAINS | 4082e705c121SKalle Valo IEEE80211_CHANCTX_CHANGE_RADAR | 4083e705c121SKalle Valo IEEE80211_CHANCTX_CHANGE_MIN_WIDTH)), 4084e705c121SKalle Valo "Cannot change PHY. Ref=%d, changed=0x%X\n", 4085e705c121SKalle Valo phy_ctxt->ref, changed)) 4086e705c121SKalle Valo return; 4087e705c121SKalle Valo 4088e705c121SKalle Valo mutex_lock(&mvm->mutex); 40897a20bcceSEmmanuel Grumbach 40907a20bcceSEmmanuel Grumbach /* we are only changing the min_width, may be a noop */ 40917a20bcceSEmmanuel Grumbach if (changed == IEEE80211_CHANCTX_CHANGE_MIN_WIDTH) { 4092b73f9a4aSJohannes Berg if (phy_ctxt->width == def->width) 40937a20bcceSEmmanuel Grumbach goto out_unlock; 40947a20bcceSEmmanuel Grumbach 40957a20bcceSEmmanuel Grumbach /* we are just toggling between 20_NOHT and 20 */ 40967a20bcceSEmmanuel Grumbach if (phy_ctxt->width <= NL80211_CHAN_WIDTH_20 && 4097b73f9a4aSJohannes Berg def->width <= NL80211_CHAN_WIDTH_20) 40987a20bcceSEmmanuel Grumbach goto out_unlock; 40997a20bcceSEmmanuel Grumbach } 41007a20bcceSEmmanuel Grumbach 4101e705c121SKalle Valo iwl_mvm_bt_coex_vif_change(mvm); 4102b73f9a4aSJohannes Berg iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, def, 4103e705c121SKalle Valo ctx->rx_chains_static, 4104e705c121SKalle Valo ctx->rx_chains_dynamic); 41057a20bcceSEmmanuel Grumbach 41067a20bcceSEmmanuel Grumbach out_unlock: 4107e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4108e705c121SKalle Valo } 4109e705c121SKalle Valo 4110e705c121SKalle Valo static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm, 4111e705c121SKalle Valo struct ieee80211_vif *vif, 4112e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx, 4113e705c121SKalle Valo bool switching_chanctx) 4114e705c121SKalle Valo { 4115e705c121SKalle Valo u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 4116e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 4117e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4118e705c121SKalle Valo int ret; 4119e705c121SKalle Valo 4120e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 4121e705c121SKalle Valo 4122e705c121SKalle Valo mvmvif->phy_ctxt = phy_ctxt; 4123e705c121SKalle Valo 4124e705c121SKalle Valo switch (vif->type) { 4125e705c121SKalle Valo case NL80211_IFTYPE_AP: 4126e705c121SKalle Valo /* only needed if we're switching chanctx (i.e. during CSA) */ 4127e705c121SKalle Valo if (switching_chanctx) { 4128e705c121SKalle Valo mvmvif->ap_ibss_active = true; 4129e705c121SKalle Valo break; 4130e705c121SKalle Valo } 41315a2abdcaSGustavo A. R. Silva fallthrough; 4132e705c121SKalle Valo case NL80211_IFTYPE_ADHOC: 4133e705c121SKalle Valo /* 4134e705c121SKalle Valo * The AP binding flow is handled as part of the start_ap flow 4135e705c121SKalle Valo * (in bss_info_changed), similarly for IBSS. 4136e705c121SKalle Valo */ 4137e705c121SKalle Valo ret = 0; 4138e705c121SKalle Valo goto out; 4139e705c121SKalle Valo case NL80211_IFTYPE_STATION: 414019125cb0SAndrei Otcheretianski mvmvif->csa_bcn_pending = false; 4141e705c121SKalle Valo break; 4142e705c121SKalle Valo case NL80211_IFTYPE_MONITOR: 4143e705c121SKalle Valo /* always disable PS when a monitor interface is active */ 4144e705c121SKalle Valo mvmvif->ps_disabled = true; 4145e705c121SKalle Valo break; 4146e705c121SKalle Valo default: 4147e705c121SKalle Valo ret = -EINVAL; 4148e705c121SKalle Valo goto out; 4149e705c121SKalle Valo } 4150e705c121SKalle Valo 4151e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 4152e705c121SKalle Valo if (ret) 4153e705c121SKalle Valo goto out; 4154e705c121SKalle Valo 4155e705c121SKalle Valo /* 4156e705c121SKalle Valo * Power state must be updated before quotas, 4157e705c121SKalle Valo * otherwise fw will complain. 4158e705c121SKalle Valo */ 4159e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 4160e705c121SKalle Valo 4161e705c121SKalle Valo /* Setting the quota at this stage is only required for monitor 4162e705c121SKalle Valo * interfaces. For the other types, the bss_info changed flow 4163e705c121SKalle Valo * will handle quota settings. 4164e705c121SKalle Valo */ 4165e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_MONITOR) { 4166e705c121SKalle Valo mvmvif->monitor_active = true; 4167e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, false, NULL); 4168e705c121SKalle Valo if (ret) 4169e705c121SKalle Valo goto out_remove_binding; 41700e39eb03SChaya Rachel Ivgi 41710e39eb03SChaya Rachel Ivgi ret = iwl_mvm_add_snif_sta(mvm, vif); 41720e39eb03SChaya Rachel Ivgi if (ret) 41730e39eb03SChaya Rachel Ivgi goto out_remove_binding; 41740e39eb03SChaya Rachel Ivgi 4175e705c121SKalle Valo } 4176e705c121SKalle Valo 4177e705c121SKalle Valo /* Handle binding during CSA */ 4178e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP) { 4179e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, NULL); 4180e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 4181e705c121SKalle Valo } 4182e705c121SKalle Valo 4183e705c121SKalle Valo if (switching_chanctx && vif->type == NL80211_IFTYPE_STATION) { 418474a10252SSara Sharon mvmvif->csa_bcn_pending = true; 418574a10252SSara Sharon 418674a10252SSara Sharon if (!fw_has_capa(&mvm->fw->ucode_capa, 418774a10252SSara Sharon IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 418819125cb0SAndrei Otcheretianski u32 duration = 3 * vif->bss_conf.beacon_int; 4189e705c121SKalle Valo 4190e705c121SKalle Valo /* Protect the session to make sure we hear the first 4191e705c121SKalle Valo * beacon on the new channel. 4192e705c121SKalle Valo */ 4193e705c121SKalle Valo iwl_mvm_protect_session(mvm, vif, duration, duration, 4194e705c121SKalle Valo vif->bss_conf.beacon_int / 2, 4195e705c121SKalle Valo true); 419674a10252SSara Sharon } 4197e705c121SKalle Valo 4198e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, NULL); 4199e705c121SKalle Valo } 4200e705c121SKalle Valo 4201e705c121SKalle Valo goto out; 4202e705c121SKalle Valo 4203e705c121SKalle Valo out_remove_binding: 4204e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 4205e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 4206e705c121SKalle Valo out: 4207e705c121SKalle Valo if (ret) 4208e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 4209e705c121SKalle Valo return ret; 4210e705c121SKalle Valo } 4211e705c121SKalle Valo static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw, 4212e705c121SKalle Valo struct ieee80211_vif *vif, 4213e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 4214e705c121SKalle Valo { 4215e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4216e705c121SKalle Valo int ret; 4217e705c121SKalle Valo 4218e705c121SKalle Valo mutex_lock(&mvm->mutex); 4219e705c121SKalle Valo ret = __iwl_mvm_assign_vif_chanctx(mvm, vif, ctx, false); 4220e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4221e705c121SKalle Valo 4222e705c121SKalle Valo return ret; 4223e705c121SKalle Valo } 4224e705c121SKalle Valo 4225e705c121SKalle Valo static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm, 4226e705c121SKalle Valo struct ieee80211_vif *vif, 4227e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx, 4228e705c121SKalle Valo bool switching_chanctx) 4229e705c121SKalle Valo { 4230e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4231e705c121SKalle Valo struct ieee80211_vif *disabled_vif = NULL; 4232e705c121SKalle Valo 4233e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 4234e705c121SKalle Valo iwl_mvm_remove_time_event(mvm, mvmvif, &mvmvif->time_event_data); 4235e705c121SKalle Valo 4236e705c121SKalle Valo switch (vif->type) { 4237e705c121SKalle Valo case NL80211_IFTYPE_ADHOC: 4238e705c121SKalle Valo goto out; 4239e705c121SKalle Valo case NL80211_IFTYPE_MONITOR: 4240e705c121SKalle Valo mvmvif->monitor_active = false; 4241e705c121SKalle Valo mvmvif->ps_disabled = false; 42420e39eb03SChaya Rachel Ivgi iwl_mvm_rm_snif_sta(mvm, vif); 4243e705c121SKalle Valo break; 4244e705c121SKalle Valo case NL80211_IFTYPE_AP: 4245e705c121SKalle Valo /* This part is triggered only during CSA */ 4246e705c121SKalle Valo if (!switching_chanctx || !mvmvif->ap_ibss_active) 4247e705c121SKalle Valo goto out; 4248e705c121SKalle Valo 4249e705c121SKalle Valo mvmvif->csa_countdown = false; 4250e705c121SKalle Valo 4251e705c121SKalle Valo /* Set CS bit on all the stations */ 4252e705c121SKalle Valo iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, true); 4253e705c121SKalle Valo 4254e705c121SKalle Valo /* Save blocked iface, the timeout is set on the next beacon */ 4255e705c121SKalle Valo rcu_assign_pointer(mvm->csa_tx_blocked_vif, vif); 4256e705c121SKalle Valo 4257e705c121SKalle Valo mvmvif->ap_ibss_active = false; 4258e705c121SKalle Valo break; 4259e705c121SKalle Valo case NL80211_IFTYPE_STATION: 4260e705c121SKalle Valo if (!switching_chanctx) 4261e705c121SKalle Valo break; 4262e705c121SKalle Valo 4263e705c121SKalle Valo disabled_vif = vif; 4264e705c121SKalle Valo 426574a10252SSara Sharon if (!fw_has_capa(&mvm->fw->ucode_capa, 426674a10252SSara Sharon IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) 4267e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, true, NULL); 4268e705c121SKalle Valo break; 4269e705c121SKalle Valo default: 4270e705c121SKalle Valo break; 4271e705c121SKalle Valo } 4272e705c121SKalle Valo 4273e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, disabled_vif); 4274e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 4275e705c121SKalle Valo 4276e705c121SKalle Valo out: 4277bf544e9aSSara Sharon if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD) && 4278bf544e9aSSara Sharon switching_chanctx) 4279bf544e9aSSara Sharon return; 4280e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 4281e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 4282e705c121SKalle Valo } 4283e705c121SKalle Valo 4284e705c121SKalle Valo static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw, 4285e705c121SKalle Valo struct ieee80211_vif *vif, 4286e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 4287e705c121SKalle Valo { 4288e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4289e705c121SKalle Valo 4290e705c121SKalle Valo mutex_lock(&mvm->mutex); 4291e705c121SKalle Valo __iwl_mvm_unassign_vif_chanctx(mvm, vif, ctx, false); 4292e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4293e705c121SKalle Valo } 4294e705c121SKalle Valo 4295e705c121SKalle Valo static int 4296e705c121SKalle Valo iwl_mvm_switch_vif_chanctx_swap(struct iwl_mvm *mvm, 4297e705c121SKalle Valo struct ieee80211_vif_chanctx_switch *vifs) 4298e705c121SKalle Valo { 4299e705c121SKalle Valo int ret; 4300e705c121SKalle Valo 4301e705c121SKalle Valo mutex_lock(&mvm->mutex); 4302e705c121SKalle Valo __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true); 4303e705c121SKalle Valo __iwl_mvm_remove_chanctx(mvm, vifs[0].old_ctx); 4304e705c121SKalle Valo 4305e705c121SKalle Valo ret = __iwl_mvm_add_chanctx(mvm, vifs[0].new_ctx); 4306e705c121SKalle Valo if (ret) { 4307e705c121SKalle Valo IWL_ERR(mvm, "failed to add new_ctx during channel switch\n"); 4308e705c121SKalle Valo goto out_reassign; 4309e705c121SKalle Valo } 4310e705c121SKalle Valo 4311e705c121SKalle Valo ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx, 4312e705c121SKalle Valo true); 4313e705c121SKalle Valo if (ret) { 4314e705c121SKalle Valo IWL_ERR(mvm, 4315e705c121SKalle Valo "failed to assign new_ctx during channel switch\n"); 4316e705c121SKalle Valo goto out_remove; 4317e705c121SKalle Valo } 4318e705c121SKalle Valo 4319e705c121SKalle Valo /* we don't support TDLS during DCM - can be caused by channel switch */ 4320e705c121SKalle Valo if (iwl_mvm_phy_ctx_count(mvm) > 1) 4321e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 4322e705c121SKalle Valo 4323e705c121SKalle Valo goto out; 4324e705c121SKalle Valo 4325e705c121SKalle Valo out_remove: 4326e705c121SKalle Valo __iwl_mvm_remove_chanctx(mvm, vifs[0].new_ctx); 4327e705c121SKalle Valo 4328e705c121SKalle Valo out_reassign: 4329e705c121SKalle Valo if (__iwl_mvm_add_chanctx(mvm, vifs[0].old_ctx)) { 4330e705c121SKalle Valo IWL_ERR(mvm, "failed to add old_ctx back after failure.\n"); 4331e705c121SKalle Valo goto out_restart; 4332e705c121SKalle Valo } 4333e705c121SKalle Valo 4334e705c121SKalle Valo if (__iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, 4335e705c121SKalle Valo true)) { 4336e705c121SKalle Valo IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); 4337e705c121SKalle Valo goto out_restart; 4338e705c121SKalle Valo } 4339e705c121SKalle Valo 4340e705c121SKalle Valo goto out; 4341e705c121SKalle Valo 4342e705c121SKalle Valo out_restart: 4343e705c121SKalle Valo /* things keep failing, better restart the hw */ 4344e705c121SKalle Valo iwl_mvm_nic_restart(mvm, false); 4345e705c121SKalle Valo 4346e705c121SKalle Valo out: 4347e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4348e705c121SKalle Valo 4349e705c121SKalle Valo return ret; 4350e705c121SKalle Valo } 4351e705c121SKalle Valo 4352e705c121SKalle Valo static int 4353e705c121SKalle Valo iwl_mvm_switch_vif_chanctx_reassign(struct iwl_mvm *mvm, 4354e705c121SKalle Valo struct ieee80211_vif_chanctx_switch *vifs) 4355e705c121SKalle Valo { 4356e705c121SKalle Valo int ret; 4357e705c121SKalle Valo 4358e705c121SKalle Valo mutex_lock(&mvm->mutex); 4359e705c121SKalle Valo __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true); 4360e705c121SKalle Valo 4361e705c121SKalle Valo ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx, 4362e705c121SKalle Valo true); 4363e705c121SKalle Valo if (ret) { 4364e705c121SKalle Valo IWL_ERR(mvm, 4365e705c121SKalle Valo "failed to assign new_ctx during channel switch\n"); 4366e705c121SKalle Valo goto out_reassign; 4367e705c121SKalle Valo } 4368e705c121SKalle Valo 4369e705c121SKalle Valo goto out; 4370e705c121SKalle Valo 4371e705c121SKalle Valo out_reassign: 4372e705c121SKalle Valo if (__iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, 4373e705c121SKalle Valo true)) { 4374e705c121SKalle Valo IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); 4375e705c121SKalle Valo goto out_restart; 4376e705c121SKalle Valo } 4377e705c121SKalle Valo 4378e705c121SKalle Valo goto out; 4379e705c121SKalle Valo 4380e705c121SKalle Valo out_restart: 4381e705c121SKalle Valo /* things keep failing, better restart the hw */ 4382e705c121SKalle Valo iwl_mvm_nic_restart(mvm, false); 4383e705c121SKalle Valo 4384e705c121SKalle Valo out: 4385e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4386e705c121SKalle Valo 4387e705c121SKalle Valo return ret; 4388e705c121SKalle Valo } 4389e705c121SKalle Valo 4390e705c121SKalle Valo static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw *hw, 4391e705c121SKalle Valo struct ieee80211_vif_chanctx_switch *vifs, 4392e705c121SKalle Valo int n_vifs, 4393e705c121SKalle Valo enum ieee80211_chanctx_switch_mode mode) 4394e705c121SKalle Valo { 4395e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4396e705c121SKalle Valo int ret; 4397e705c121SKalle Valo 4398e705c121SKalle Valo /* we only support a single-vif right now */ 4399e705c121SKalle Valo if (n_vifs > 1) 4400e705c121SKalle Valo return -EOPNOTSUPP; 4401e705c121SKalle Valo 4402e705c121SKalle Valo switch (mode) { 4403e705c121SKalle Valo case CHANCTX_SWMODE_SWAP_CONTEXTS: 4404e705c121SKalle Valo ret = iwl_mvm_switch_vif_chanctx_swap(mvm, vifs); 4405e705c121SKalle Valo break; 4406e705c121SKalle Valo case CHANCTX_SWMODE_REASSIGN_VIF: 4407e705c121SKalle Valo ret = iwl_mvm_switch_vif_chanctx_reassign(mvm, vifs); 4408e705c121SKalle Valo break; 4409e705c121SKalle Valo default: 4410e705c121SKalle Valo ret = -EOPNOTSUPP; 4411e705c121SKalle Valo break; 4412e705c121SKalle Valo } 4413e705c121SKalle Valo 4414e705c121SKalle Valo return ret; 4415e705c121SKalle Valo } 4416e705c121SKalle Valo 44172f0282dbSJohannes Berg static int iwl_mvm_tx_last_beacon(struct ieee80211_hw *hw) 44182f0282dbSJohannes Berg { 44192f0282dbSJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 44202f0282dbSJohannes Berg 44212f0282dbSJohannes Berg return mvm->ibss_manager; 44222f0282dbSJohannes Berg } 44232f0282dbSJohannes Berg 4424e705c121SKalle Valo static int iwl_mvm_set_tim(struct ieee80211_hw *hw, 4425e705c121SKalle Valo struct ieee80211_sta *sta, 4426e705c121SKalle Valo bool set) 4427e705c121SKalle Valo { 4428e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4429e705c121SKalle Valo struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 4430e705c121SKalle Valo 4431e705c121SKalle Valo if (!mvm_sta || !mvm_sta->vif) { 4432e705c121SKalle Valo IWL_ERR(mvm, "Station is not associated to a vif\n"); 4433e705c121SKalle Valo return -EINVAL; 4434e705c121SKalle Valo } 4435e705c121SKalle Valo 4436e705c121SKalle Valo return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif); 4437e705c121SKalle Valo } 4438e705c121SKalle Valo 4439e705c121SKalle Valo #ifdef CONFIG_NL80211_TESTMODE 4440e705c121SKalle Valo static const struct nla_policy iwl_mvm_tm_policy[IWL_MVM_TM_ATTR_MAX + 1] = { 4441e705c121SKalle Valo [IWL_MVM_TM_ATTR_CMD] = { .type = NLA_U32 }, 4442e705c121SKalle Valo [IWL_MVM_TM_ATTR_NOA_DURATION] = { .type = NLA_U32 }, 4443e705c121SKalle Valo [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE] = { .type = NLA_U32 }, 4444e705c121SKalle Valo }; 4445e705c121SKalle Valo 4446e705c121SKalle Valo static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm, 4447e705c121SKalle Valo struct ieee80211_vif *vif, 4448e705c121SKalle Valo void *data, int len) 4449e705c121SKalle Valo { 4450e705c121SKalle Valo struct nlattr *tb[IWL_MVM_TM_ATTR_MAX + 1]; 4451e705c121SKalle Valo int err; 4452e705c121SKalle Valo u32 noa_duration; 4453e705c121SKalle Valo 44548cb08174SJohannes Berg err = nla_parse_deprecated(tb, IWL_MVM_TM_ATTR_MAX, data, len, 44558cb08174SJohannes Berg iwl_mvm_tm_policy, NULL); 4456e705c121SKalle Valo if (err) 4457e705c121SKalle Valo return err; 4458e705c121SKalle Valo 4459e705c121SKalle Valo if (!tb[IWL_MVM_TM_ATTR_CMD]) 4460e705c121SKalle Valo return -EINVAL; 4461e705c121SKalle Valo 4462e705c121SKalle Valo switch (nla_get_u32(tb[IWL_MVM_TM_ATTR_CMD])) { 4463e705c121SKalle Valo case IWL_MVM_TM_CMD_SET_NOA: 4464e705c121SKalle Valo if (!vif || vif->type != NL80211_IFTYPE_AP || !vif->p2p || 4465e705c121SKalle Valo !vif->bss_conf.enable_beacon || 4466e705c121SKalle Valo !tb[IWL_MVM_TM_ATTR_NOA_DURATION]) 4467e705c121SKalle Valo return -EINVAL; 4468e705c121SKalle Valo 4469e705c121SKalle Valo noa_duration = nla_get_u32(tb[IWL_MVM_TM_ATTR_NOA_DURATION]); 4470e705c121SKalle Valo if (noa_duration >= vif->bss_conf.beacon_int) 4471e705c121SKalle Valo return -EINVAL; 4472e705c121SKalle Valo 4473e705c121SKalle Valo mvm->noa_duration = noa_duration; 4474e705c121SKalle Valo mvm->noa_vif = vif; 4475e705c121SKalle Valo 447622b21041SShaul Triebitz return iwl_mvm_update_quotas(mvm, true, NULL); 4477e705c121SKalle Valo case IWL_MVM_TM_CMD_SET_BEACON_FILTER: 4478e705c121SKalle Valo /* must be associated client vif - ignore authorized */ 4479e705c121SKalle Valo if (!vif || vif->type != NL80211_IFTYPE_STATION || 4480e705c121SKalle Valo !vif->bss_conf.assoc || !vif->bss_conf.dtim_period || 4481e705c121SKalle Valo !tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE]) 4482e705c121SKalle Valo return -EINVAL; 4483e705c121SKalle Valo 4484e705c121SKalle Valo if (nla_get_u32(tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE])) 4485e705c121SKalle Valo return iwl_mvm_enable_beacon_filter(mvm, vif, 0); 4486e705c121SKalle Valo return iwl_mvm_disable_beacon_filter(mvm, vif, 0); 4487e705c121SKalle Valo } 4488e705c121SKalle Valo 4489e705c121SKalle Valo return -EOPNOTSUPP; 4490e705c121SKalle Valo } 4491e705c121SKalle Valo 4492e705c121SKalle Valo static int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw *hw, 4493e705c121SKalle Valo struct ieee80211_vif *vif, 4494e705c121SKalle Valo void *data, int len) 4495e705c121SKalle Valo { 4496e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4497e705c121SKalle Valo int err; 4498e705c121SKalle Valo 4499e705c121SKalle Valo mutex_lock(&mvm->mutex); 4500e705c121SKalle Valo err = __iwl_mvm_mac_testmode_cmd(mvm, vif, data, len); 4501e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4502e705c121SKalle Valo 4503e705c121SKalle Valo return err; 4504e705c121SKalle Valo } 4505e705c121SKalle Valo #endif 4506e705c121SKalle Valo 4507e705c121SKalle Valo static void iwl_mvm_channel_switch(struct ieee80211_hw *hw, 4508e705c121SKalle Valo struct ieee80211_vif *vif, 4509e705c121SKalle Valo struct ieee80211_channel_switch *chsw) 4510e705c121SKalle Valo { 4511e705c121SKalle Valo /* By implementing this operation, we prevent mac80211 from 4512e705c121SKalle Valo * starting its own channel switch timer, so that we can call 4513e705c121SKalle Valo * ieee80211_chswitch_done() ourselves at the right time 4514e705c121SKalle Valo * (which is when the absence time event starts). 4515e705c121SKalle Valo */ 4516e705c121SKalle Valo 4517e705c121SKalle Valo IWL_DEBUG_MAC80211(IWL_MAC80211_GET_MVM(hw), 4518e705c121SKalle Valo "dummy channel switch op\n"); 4519e705c121SKalle Valo } 4520e705c121SKalle Valo 452174a10252SSara Sharon static int iwl_mvm_schedule_client_csa(struct iwl_mvm *mvm, 452274a10252SSara Sharon struct ieee80211_vif *vif, 452374a10252SSara Sharon struct ieee80211_channel_switch *chsw) 452474a10252SSara Sharon { 452574a10252SSara Sharon struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 452674a10252SSara Sharon struct iwl_chan_switch_te_cmd cmd = { 452774a10252SSara Sharon .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 452874a10252SSara Sharon mvmvif->color)), 452974a10252SSara Sharon .action = cpu_to_le32(FW_CTXT_ACTION_ADD), 453074a10252SSara Sharon .tsf = cpu_to_le32(chsw->timestamp), 453174a10252SSara Sharon .cs_count = chsw->count, 453277738865SSara Sharon .cs_mode = chsw->block_tx, 453374a10252SSara Sharon }; 453474a10252SSara Sharon 453574a10252SSara Sharon lockdep_assert_held(&mvm->mutex); 453674a10252SSara Sharon 45379cfcf71cSSara Sharon if (chsw->delay) 45389cfcf71cSSara Sharon cmd.cs_delayed_bcn_count = 45399cfcf71cSSara Sharon DIV_ROUND_UP(chsw->delay, vif->bss_conf.beacon_int); 45409cfcf71cSSara Sharon 454174a10252SSara Sharon return iwl_mvm_send_cmd_pdu(mvm, 454274a10252SSara Sharon WIDE_ID(MAC_CONF_GROUP, 454374a10252SSara Sharon CHANNEL_SWITCH_TIME_EVENT_CMD), 454474a10252SSara Sharon 0, sizeof(cmd), &cmd); 454574a10252SSara Sharon } 454674a10252SSara Sharon 45470202bcf0SEmmanuel Grumbach static int iwl_mvm_old_pre_chan_sw_sta(struct iwl_mvm *mvm, 45480202bcf0SEmmanuel Grumbach struct ieee80211_vif *vif, 45490202bcf0SEmmanuel Grumbach struct ieee80211_channel_switch *chsw) 45500202bcf0SEmmanuel Grumbach { 45510202bcf0SEmmanuel Grumbach struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 45520202bcf0SEmmanuel Grumbach u32 apply_time; 45530202bcf0SEmmanuel Grumbach 45540202bcf0SEmmanuel Grumbach /* Schedule the time event to a bit before beacon 1, 45550202bcf0SEmmanuel Grumbach * to make sure we're in the new channel when the 45560202bcf0SEmmanuel Grumbach * GO/AP arrives. In case count <= 1 immediately schedule the 45570202bcf0SEmmanuel Grumbach * TE (this might result with some packet loss or connection 45580202bcf0SEmmanuel Grumbach * loss). 45590202bcf0SEmmanuel Grumbach */ 45600202bcf0SEmmanuel Grumbach if (chsw->count <= 1) 45610202bcf0SEmmanuel Grumbach apply_time = 0; 45620202bcf0SEmmanuel Grumbach else 45630202bcf0SEmmanuel Grumbach apply_time = chsw->device_timestamp + 45640202bcf0SEmmanuel Grumbach ((vif->bss_conf.beacon_int * (chsw->count - 1) - 45650202bcf0SEmmanuel Grumbach IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT) * 1024); 45660202bcf0SEmmanuel Grumbach 45670202bcf0SEmmanuel Grumbach if (chsw->block_tx) 45680202bcf0SEmmanuel Grumbach iwl_mvm_csa_client_absent(mvm, vif); 45690202bcf0SEmmanuel Grumbach 45700202bcf0SEmmanuel Grumbach if (mvmvif->bf_data.bf_enabled) { 45710202bcf0SEmmanuel Grumbach int ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); 45720202bcf0SEmmanuel Grumbach 45730202bcf0SEmmanuel Grumbach if (ret) 45740202bcf0SEmmanuel Grumbach return ret; 45750202bcf0SEmmanuel Grumbach } 45760202bcf0SEmmanuel Grumbach 45770202bcf0SEmmanuel Grumbach iwl_mvm_schedule_csa_period(mvm, vif, vif->bss_conf.beacon_int, 45780202bcf0SEmmanuel Grumbach apply_time); 45790202bcf0SEmmanuel Grumbach 45800202bcf0SEmmanuel Grumbach return 0; 45810202bcf0SEmmanuel Grumbach } 45820202bcf0SEmmanuel Grumbach 4583f6780614SSara Sharon #define IWL_MAX_CSA_BLOCK_TX 1500 4584e705c121SKalle Valo static int iwl_mvm_pre_channel_switch(struct ieee80211_hw *hw, 4585e705c121SKalle Valo struct ieee80211_vif *vif, 4586e705c121SKalle Valo struct ieee80211_channel_switch *chsw) 4587e705c121SKalle Valo { 4588e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4589e705c121SKalle Valo struct ieee80211_vif *csa_vif; 4590e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4591e705c121SKalle Valo int ret; 4592e705c121SKalle Valo 4593e705c121SKalle Valo mutex_lock(&mvm->mutex); 4594e705c121SKalle Valo 4595e705c121SKalle Valo mvmvif->csa_failed = false; 4596e705c121SKalle Valo 4597e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "pre CSA to freq %d\n", 4598e705c121SKalle Valo chsw->chandef.center_freq1); 4599e705c121SKalle Valo 46007174beb6SJohannes Berg iwl_fw_dbg_trigger_simple_stop(&mvm->fwrt, 46017174beb6SJohannes Berg ieee80211_vif_to_wdev(vif), 46027174beb6SJohannes Berg FW_DBG_TRIGGER_CHANNEL_SWITCH); 4603e705c121SKalle Valo 4604e705c121SKalle Valo switch (vif->type) { 4605e705c121SKalle Valo case NL80211_IFTYPE_AP: 4606e705c121SKalle Valo csa_vif = 4607e705c121SKalle Valo rcu_dereference_protected(mvm->csa_vif, 4608e705c121SKalle Valo lockdep_is_held(&mvm->mutex)); 4609e705c121SKalle Valo if (WARN_ONCE(csa_vif && csa_vif->csa_active, 4610e705c121SKalle Valo "Another CSA is already in progress")) { 4611e705c121SKalle Valo ret = -EBUSY; 4612e705c121SKalle Valo goto out_unlock; 4613e705c121SKalle Valo } 4614e705c121SKalle Valo 4615d3a108a4SAndrei Otcheretianski /* we still didn't unblock tx. prevent new CS meanwhile */ 4616d3a108a4SAndrei Otcheretianski if (rcu_dereference_protected(mvm->csa_tx_blocked_vif, 4617d3a108a4SAndrei Otcheretianski lockdep_is_held(&mvm->mutex))) { 4618d3a108a4SAndrei Otcheretianski ret = -EBUSY; 4619d3a108a4SAndrei Otcheretianski goto out_unlock; 4620d3a108a4SAndrei Otcheretianski } 4621d3a108a4SAndrei Otcheretianski 4622e705c121SKalle Valo rcu_assign_pointer(mvm->csa_vif, vif); 4623e705c121SKalle Valo 4624e705c121SKalle Valo if (WARN_ONCE(mvmvif->csa_countdown, 4625e705c121SKalle Valo "Previous CSA countdown didn't complete")) { 4626e705c121SKalle Valo ret = -EBUSY; 4627e705c121SKalle Valo goto out_unlock; 4628e705c121SKalle Valo } 4629e705c121SKalle Valo 4630d3a108a4SAndrei Otcheretianski mvmvif->csa_target_freq = chsw->chandef.chan->center_freq; 4631d3a108a4SAndrei Otcheretianski 4632e705c121SKalle Valo break; 4633e705c121SKalle Valo case NL80211_IFTYPE_STATION: 46342360acbdSEmmanuel Grumbach /* 46352360acbdSEmmanuel Grumbach * We haven't configured the firmware to be associated yet since 46362360acbdSEmmanuel Grumbach * we don't know the dtim period. In this case, the firmware can't 46372360acbdSEmmanuel Grumbach * track the beacons. 46382360acbdSEmmanuel Grumbach */ 46392360acbdSEmmanuel Grumbach if (!vif->bss_conf.assoc || !vif->bss_conf.dtim_period) { 46402360acbdSEmmanuel Grumbach ret = -EBUSY; 46412360acbdSEmmanuel Grumbach goto out_unlock; 46422360acbdSEmmanuel Grumbach } 46432360acbdSEmmanuel Grumbach 464487d9564eSJohannes Berg if (chsw->delay > IWL_MAX_CSA_BLOCK_TX) 464587d9564eSJohannes Berg schedule_delayed_work(&mvmvif->csa_work, 0); 464687d9564eSJohannes Berg 4647f6780614SSara Sharon if (chsw->block_tx) { 4648f6780614SSara Sharon /* 4649f6780614SSara Sharon * In case of undetermined / long time with immediate 4650f6780614SSara Sharon * quiet monitor status to gracefully disconnect 4651f6780614SSara Sharon */ 4652f6780614SSara Sharon if (!chsw->count || 4653f6780614SSara Sharon chsw->count * vif->bss_conf.beacon_int > 4654f6780614SSara Sharon IWL_MAX_CSA_BLOCK_TX) 4655f6780614SSara Sharon schedule_delayed_work(&mvmvif->csa_work, 4656f6780614SSara Sharon msecs_to_jiffies(IWL_MAX_CSA_BLOCK_TX)); 4657f6780614SSara Sharon } 4658e705c121SKalle Valo 46590202bcf0SEmmanuel Grumbach if (!fw_has_capa(&mvm->fw->ucode_capa, 46600202bcf0SEmmanuel Grumbach IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 46610202bcf0SEmmanuel Grumbach ret = iwl_mvm_old_pre_chan_sw_sta(mvm, vif, chsw); 4662e705c121SKalle Valo if (ret) 4663e705c121SKalle Valo goto out_unlock; 46640202bcf0SEmmanuel Grumbach } else { 466574a10252SSara Sharon iwl_mvm_schedule_client_csa(mvm, vif, chsw); 46660202bcf0SEmmanuel Grumbach } 466781b4e44eSSara Sharon 466881b4e44eSSara Sharon mvmvif->csa_count = chsw->count; 466981b4e44eSSara Sharon mvmvif->csa_misbehave = false; 4670e705c121SKalle Valo break; 4671e705c121SKalle Valo default: 4672e705c121SKalle Valo break; 4673e705c121SKalle Valo } 4674e705c121SKalle Valo 4675e705c121SKalle Valo mvmvif->ps_disabled = true; 4676e705c121SKalle Valo 4677e705c121SKalle Valo ret = iwl_mvm_power_update_ps(mvm); 4678e705c121SKalle Valo if (ret) 4679e705c121SKalle Valo goto out_unlock; 4680e705c121SKalle Valo 4681e705c121SKalle Valo /* we won't be on this channel any longer */ 4682e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 4683e705c121SKalle Valo 4684e705c121SKalle Valo out_unlock: 4685e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4686e705c121SKalle Valo 4687e705c121SKalle Valo return ret; 4688e705c121SKalle Valo } 4689e705c121SKalle Valo 4690c37763d2SSara Sharon static void iwl_mvm_channel_switch_rx_beacon(struct ieee80211_hw *hw, 4691c37763d2SSara Sharon struct ieee80211_vif *vif, 4692c37763d2SSara Sharon struct ieee80211_channel_switch *chsw) 4693e705c121SKalle Valo { 4694e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4695c37763d2SSara Sharon struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4696c37763d2SSara Sharon struct iwl_chan_switch_te_cmd cmd = { 4697c37763d2SSara Sharon .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 4698c37763d2SSara Sharon mvmvif->color)), 4699c37763d2SSara Sharon .action = cpu_to_le32(FW_CTXT_ACTION_MODIFY), 4700c37763d2SSara Sharon .tsf = cpu_to_le32(chsw->timestamp), 4701c37763d2SSara Sharon .cs_count = chsw->count, 470277738865SSara Sharon .cs_mode = chsw->block_tx, 4703c37763d2SSara Sharon }; 4704e705c121SKalle Valo 4705c37763d2SSara Sharon if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CS_MODIFY)) 4706c37763d2SSara Sharon return; 4707e705c121SKalle Valo 470881b4e44eSSara Sharon if (chsw->count >= mvmvif->csa_count && chsw->block_tx) { 470981b4e44eSSara Sharon if (mvmvif->csa_misbehave) { 471081b4e44eSSara Sharon /* Second time, give up on this AP*/ 471181b4e44eSSara Sharon iwl_mvm_abort_channel_switch(hw, vif); 471281b4e44eSSara Sharon ieee80211_chswitch_done(vif, false); 471381b4e44eSSara Sharon mvmvif->csa_misbehave = false; 471481b4e44eSSara Sharon return; 4715e705c121SKalle Valo } 471681b4e44eSSara Sharon mvmvif->csa_misbehave = true; 4717e705c121SKalle Valo } 471881b4e44eSSara Sharon mvmvif->csa_count = chsw->count; 4719e705c121SKalle Valo 4720caf46377SSara Sharon mutex_lock(&mvm->mutex); 4721caf46377SSara Sharon if (mvmvif->csa_failed) 4722caf46377SSara Sharon goto out_unlock; 4723e705c121SKalle Valo 4724b06b5986SEmmanuel Grumbach IWL_DEBUG_MAC80211(mvm, "Modify CSA on mac %d count = %d mode = %d\n", 4725b06b5986SEmmanuel Grumbach mvmvif->id, chsw->count, chsw->block_tx); 4726c37763d2SSara Sharon WARN_ON(iwl_mvm_send_cmd_pdu(mvm, 4727c37763d2SSara Sharon WIDE_ID(MAC_CONF_GROUP, 4728c37763d2SSara Sharon CHANNEL_SWITCH_TIME_EVENT_CMD), 4729caf46377SSara Sharon 0, sizeof(cmd), &cmd)); 4730caf46377SSara Sharon out_unlock: 4731caf46377SSara Sharon mutex_unlock(&mvm->mutex); 4732e705c121SKalle Valo } 4733e705c121SKalle Valo 47346110d9e5SDavid Spinadel static void iwl_mvm_flush_no_vif(struct iwl_mvm *mvm, u32 queues, bool drop) 47356110d9e5SDavid Spinadel { 4736435d0827SSara Sharon int i; 4737435d0827SSara Sharon 473806195639SSara Sharon if (!iwl_mvm_has_new_tx_api(mvm)) { 4739309c4848SLuca Coelho if (drop) { 4740309c4848SLuca Coelho mutex_lock(&mvm->mutex); 47416110d9e5SDavid Spinadel iwl_mvm_flush_tx_path(mvm, 4742d4e3a341SMordechay Goodstein iwl_mvm_flushable_queues(mvm) & queues); 4743309c4848SLuca Coelho mutex_unlock(&mvm->mutex); 4744309c4848SLuca Coelho } else { 4745435d0827SSara Sharon iwl_trans_wait_tx_queues_empty(mvm->trans, queues); 4746309c4848SLuca Coelho } 4747435d0827SSara Sharon return; 4748435d0827SSara Sharon } 47496110d9e5SDavid Spinadel 47506110d9e5SDavid Spinadel mutex_lock(&mvm->mutex); 4751be9ae34eSNathan Errera for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) { 4752435d0827SSara Sharon struct ieee80211_sta *sta; 4753435d0827SSara Sharon 4754435d0827SSara Sharon sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], 47556110d9e5SDavid Spinadel lockdep_is_held(&mvm->mutex)); 47566110d9e5SDavid Spinadel if (IS_ERR_OR_NULL(sta)) 47576110d9e5SDavid Spinadel continue; 47586110d9e5SDavid Spinadel 475906195639SSara Sharon if (drop) 4760d4e3a341SMordechay Goodstein iwl_mvm_flush_sta_tids(mvm, i, 0xFFFF); 476106195639SSara Sharon else 47626110d9e5SDavid Spinadel iwl_mvm_wait_sta_queues_empty(mvm, 47636110d9e5SDavid Spinadel iwl_mvm_sta_from_mac80211(sta)); 47646110d9e5SDavid Spinadel } 47656110d9e5SDavid Spinadel mutex_unlock(&mvm->mutex); 47666110d9e5SDavid Spinadel } 47676110d9e5SDavid Spinadel 4768e705c121SKalle Valo static void iwl_mvm_mac_flush(struct ieee80211_hw *hw, 4769e705c121SKalle Valo struct ieee80211_vif *vif, u32 queues, bool drop) 4770e705c121SKalle Valo { 4771e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4772e705c121SKalle Valo struct iwl_mvm_vif *mvmvif; 4773e705c121SKalle Valo struct iwl_mvm_sta *mvmsta; 4774e705c121SKalle Valo struct ieee80211_sta *sta; 4775e705c121SKalle Valo int i; 4776e705c121SKalle Valo u32 msk = 0; 4777e705c121SKalle Valo 47786110d9e5SDavid Spinadel if (!vif) { 47796110d9e5SDavid Spinadel iwl_mvm_flush_no_vif(mvm, queues, drop); 47806110d9e5SDavid Spinadel return; 47816110d9e5SDavid Spinadel } 47826110d9e5SDavid Spinadel 47836110d9e5SDavid Spinadel if (vif->type != NL80211_IFTYPE_STATION) 4784e705c121SKalle Valo return; 4785e705c121SKalle Valo 478624afba76SLiad Kaufman /* Make sure we're done with the deferred traffic before flushing */ 478724afba76SLiad Kaufman flush_work(&mvm->add_stream_wk); 478824afba76SLiad Kaufman 4789e705c121SKalle Valo mutex_lock(&mvm->mutex); 4790e705c121SKalle Valo mvmvif = iwl_mvm_vif_from_mac80211(vif); 4791e705c121SKalle Valo 4792e705c121SKalle Valo /* flush the AP-station and all TDLS peers */ 4793be9ae34eSNathan Errera for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) { 4794e705c121SKalle Valo sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], 4795e705c121SKalle Valo lockdep_is_held(&mvm->mutex)); 4796e705c121SKalle Valo if (IS_ERR_OR_NULL(sta)) 4797e705c121SKalle Valo continue; 4798e705c121SKalle Valo 4799e705c121SKalle Valo mvmsta = iwl_mvm_sta_from_mac80211(sta); 4800e705c121SKalle Valo if (mvmsta->vif != vif) 4801e705c121SKalle Valo continue; 4802e705c121SKalle Valo 4803e705c121SKalle Valo /* make sure only TDLS peers or the AP are flushed */ 4804e705c121SKalle Valo WARN_ON(i != mvmvif->ap_sta_id && !sta->tdls); 4805e705c121SKalle Valo 4806d49394a1SSara Sharon if (drop) { 4807f9084775SNathan Errera if (iwl_mvm_flush_sta(mvm, mvmsta, false)) 4808d49394a1SSara Sharon IWL_ERR(mvm, "flush request fail\n"); 4809d49394a1SSara Sharon } else { 4810e705c121SKalle Valo msk |= mvmsta->tfd_queue_msk; 4811d6d517b7SSara Sharon if (iwl_mvm_has_new_tx_api(mvm)) 4812d6d517b7SSara Sharon iwl_mvm_wait_sta_queues_empty(mvm, mvmsta); 4813e705c121SKalle Valo } 4814d49394a1SSara Sharon } 4815e705c121SKalle Valo 4816e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4817e705c121SKalle Valo 4818e705c121SKalle Valo /* this can take a while, and we may need/want other operations 4819e705c121SKalle Valo * to succeed while doing this, so do it without the mutex held 4820e705c121SKalle Valo */ 4821d6d517b7SSara Sharon if (!drop && !iwl_mvm_has_new_tx_api(mvm)) 4822a1a57877SSara Sharon iwl_trans_wait_tx_queues_empty(mvm->trans, msk); 4823e705c121SKalle Valo } 4824e705c121SKalle Valo 4825e705c121SKalle Valo static int iwl_mvm_mac_get_survey(struct ieee80211_hw *hw, int idx, 4826e705c121SKalle Valo struct survey_info *survey) 4827e705c121SKalle Valo { 4828e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4829e705c121SKalle Valo int ret; 4830e705c121SKalle Valo 4831e705c121SKalle Valo memset(survey, 0, sizeof(*survey)); 4832e705c121SKalle Valo 4833e705c121SKalle Valo /* only support global statistics right now */ 4834e705c121SKalle Valo if (idx != 0) 4835e705c121SKalle Valo return -ENOENT; 4836e705c121SKalle Valo 4837280a3efaSJohannes Berg if (!fw_has_capa(&mvm->fw->ucode_capa, 4838e705c121SKalle Valo IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS)) 4839e705c121SKalle Valo return -ENOENT; 4840e705c121SKalle Valo 4841e705c121SKalle Valo mutex_lock(&mvm->mutex); 4842e705c121SKalle Valo 4843aab6930dSJohannes Berg if (iwl_mvm_firmware_running(mvm)) { 4844e705c121SKalle Valo ret = iwl_mvm_request_statistics(mvm, false); 4845e705c121SKalle Valo if (ret) 4846e705c121SKalle Valo goto out; 4847e705c121SKalle Valo } 4848e705c121SKalle Valo 4849e705c121SKalle Valo survey->filled = SURVEY_INFO_TIME | 4850e705c121SKalle Valo SURVEY_INFO_TIME_RX | 4851e705c121SKalle Valo SURVEY_INFO_TIME_TX | 4852e705c121SKalle Valo SURVEY_INFO_TIME_SCAN; 4853e705c121SKalle Valo survey->time = mvm->accu_radio_stats.on_time_rf + 4854e705c121SKalle Valo mvm->radio_stats.on_time_rf; 4855e705c121SKalle Valo do_div(survey->time, USEC_PER_MSEC); 4856e705c121SKalle Valo 4857e705c121SKalle Valo survey->time_rx = mvm->accu_radio_stats.rx_time + 4858e705c121SKalle Valo mvm->radio_stats.rx_time; 4859e705c121SKalle Valo do_div(survey->time_rx, USEC_PER_MSEC); 4860e705c121SKalle Valo 4861e705c121SKalle Valo survey->time_tx = mvm->accu_radio_stats.tx_time + 4862e705c121SKalle Valo mvm->radio_stats.tx_time; 4863e705c121SKalle Valo do_div(survey->time_tx, USEC_PER_MSEC); 4864e705c121SKalle Valo 4865e705c121SKalle Valo survey->time_scan = mvm->accu_radio_stats.on_time_scan + 4866e705c121SKalle Valo mvm->radio_stats.on_time_scan; 4867e705c121SKalle Valo do_div(survey->time_scan, USEC_PER_MSEC); 4868e705c121SKalle Valo 4869e705c121SKalle Valo ret = 0; 4870e705c121SKalle Valo out: 4871e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4872e705c121SKalle Valo return ret; 4873e705c121SKalle Valo } 4874e705c121SKalle Valo 4875ed780545SJohannes Berg static void iwl_mvm_set_sta_rate(u32 rate_n_flags, struct rate_info *rinfo) 4876ed780545SJohannes Berg { 4877ed780545SJohannes Berg switch (rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK) { 4878ed780545SJohannes Berg case RATE_MCS_CHAN_WIDTH_20: 4879ed780545SJohannes Berg rinfo->bw = RATE_INFO_BW_20; 4880ed780545SJohannes Berg break; 4881ed780545SJohannes Berg case RATE_MCS_CHAN_WIDTH_40: 4882ed780545SJohannes Berg rinfo->bw = RATE_INFO_BW_40; 4883ed780545SJohannes Berg break; 4884ed780545SJohannes Berg case RATE_MCS_CHAN_WIDTH_80: 4885ed780545SJohannes Berg rinfo->bw = RATE_INFO_BW_80; 4886ed780545SJohannes Berg break; 4887ed780545SJohannes Berg case RATE_MCS_CHAN_WIDTH_160: 4888ed780545SJohannes Berg rinfo->bw = RATE_INFO_BW_160; 4889ed780545SJohannes Berg break; 4890ed780545SJohannes Berg } 4891ed780545SJohannes Berg 4892ed780545SJohannes Berg if (rate_n_flags & RATE_MCS_HT_MSK) { 4893ed780545SJohannes Berg rinfo->flags |= RATE_INFO_FLAGS_MCS; 4894ed780545SJohannes Berg rinfo->mcs = u32_get_bits(rate_n_flags, RATE_HT_MCS_INDEX_MSK); 4895ed780545SJohannes Berg rinfo->nss = u32_get_bits(rate_n_flags, 4896ed780545SJohannes Berg RATE_HT_MCS_NSS_MSK) + 1; 4897ed780545SJohannes Berg if (rate_n_flags & RATE_MCS_SGI_MSK) 4898ed780545SJohannes Berg rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; 4899ed780545SJohannes Berg } else if (rate_n_flags & RATE_MCS_VHT_MSK) { 4900ed780545SJohannes Berg rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; 4901ed780545SJohannes Berg rinfo->mcs = u32_get_bits(rate_n_flags, 4902ed780545SJohannes Berg RATE_VHT_MCS_RATE_CODE_MSK); 4903ed780545SJohannes Berg rinfo->nss = u32_get_bits(rate_n_flags, 4904ed780545SJohannes Berg RATE_VHT_MCS_NSS_MSK) + 1; 4905ed780545SJohannes Berg if (rate_n_flags & RATE_MCS_SGI_MSK) 4906ed780545SJohannes Berg rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; 4907ed780545SJohannes Berg } else if (rate_n_flags & RATE_MCS_HE_MSK) { 4908ed780545SJohannes Berg u32 gi_ltf = u32_get_bits(rate_n_flags, 4909ed780545SJohannes Berg RATE_MCS_HE_GI_LTF_MSK); 4910ed780545SJohannes Berg 4911ed780545SJohannes Berg rinfo->flags |= RATE_INFO_FLAGS_HE_MCS; 4912ed780545SJohannes Berg rinfo->mcs = u32_get_bits(rate_n_flags, 4913ed780545SJohannes Berg RATE_VHT_MCS_RATE_CODE_MSK); 4914ed780545SJohannes Berg rinfo->nss = u32_get_bits(rate_n_flags, 4915ed780545SJohannes Berg RATE_VHT_MCS_NSS_MSK) + 1; 4916ed780545SJohannes Berg 4917ed780545SJohannes Berg if (rate_n_flags & RATE_MCS_HE_106T_MSK) { 4918ed780545SJohannes Berg rinfo->bw = RATE_INFO_BW_HE_RU; 4919ed780545SJohannes Berg rinfo->he_ru_alloc = NL80211_RATE_INFO_HE_RU_ALLOC_106; 4920ed780545SJohannes Berg } 4921ed780545SJohannes Berg 4922ed780545SJohannes Berg switch (rate_n_flags & RATE_MCS_HE_TYPE_MSK) { 4923ed780545SJohannes Berg case RATE_MCS_HE_TYPE_SU: 4924ed780545SJohannes Berg case RATE_MCS_HE_TYPE_EXT_SU: 4925ed780545SJohannes Berg if (gi_ltf == 0 || gi_ltf == 1) 4926ed780545SJohannes Berg rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 4927ed780545SJohannes Berg else if (gi_ltf == 2) 4928ed780545SJohannes Berg rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 4929ed780545SJohannes Berg else if (rate_n_flags & RATE_MCS_SGI_MSK) 4930ed780545SJohannes Berg rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 4931ed780545SJohannes Berg else 4932ed780545SJohannes Berg rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 4933ed780545SJohannes Berg break; 4934ed780545SJohannes Berg case RATE_MCS_HE_TYPE_MU: 4935ed780545SJohannes Berg if (gi_ltf == 0 || gi_ltf == 1) 4936ed780545SJohannes Berg rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 4937ed780545SJohannes Berg else if (gi_ltf == 2) 4938ed780545SJohannes Berg rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 4939ed780545SJohannes Berg else 4940ed780545SJohannes Berg rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 4941ed780545SJohannes Berg break; 4942ed780545SJohannes Berg case RATE_MCS_HE_TYPE_TRIG: 4943ed780545SJohannes Berg if (gi_ltf == 0 || gi_ltf == 1) 4944ed780545SJohannes Berg rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 4945ed780545SJohannes Berg else 4946ed780545SJohannes Berg rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 4947ed780545SJohannes Berg break; 4948ed780545SJohannes Berg } 4949ed780545SJohannes Berg 4950ed780545SJohannes Berg if (rate_n_flags & RATE_HE_DUAL_CARRIER_MODE_MSK) 4951ed780545SJohannes Berg rinfo->he_dcm = 1; 4952ed780545SJohannes Berg } else { 4953ed780545SJohannes Berg switch (u32_get_bits(rate_n_flags, RATE_LEGACY_RATE_MSK)) { 4954ed780545SJohannes Berg case IWL_RATE_1M_PLCP: 4955ed780545SJohannes Berg rinfo->legacy = 10; 4956ed780545SJohannes Berg break; 4957ed780545SJohannes Berg case IWL_RATE_2M_PLCP: 4958ed780545SJohannes Berg rinfo->legacy = 20; 4959ed780545SJohannes Berg break; 4960ed780545SJohannes Berg case IWL_RATE_5M_PLCP: 4961ed780545SJohannes Berg rinfo->legacy = 55; 4962ed780545SJohannes Berg break; 4963ed780545SJohannes Berg case IWL_RATE_11M_PLCP: 4964ed780545SJohannes Berg rinfo->legacy = 110; 4965ed780545SJohannes Berg break; 4966ed780545SJohannes Berg case IWL_RATE_6M_PLCP: 4967ed780545SJohannes Berg rinfo->legacy = 60; 4968ed780545SJohannes Berg break; 4969ed780545SJohannes Berg case IWL_RATE_9M_PLCP: 4970ed780545SJohannes Berg rinfo->legacy = 90; 4971ed780545SJohannes Berg break; 4972ed780545SJohannes Berg case IWL_RATE_12M_PLCP: 4973ed780545SJohannes Berg rinfo->legacy = 120; 4974ed780545SJohannes Berg break; 4975ed780545SJohannes Berg case IWL_RATE_18M_PLCP: 4976ed780545SJohannes Berg rinfo->legacy = 180; 4977ed780545SJohannes Berg break; 4978ed780545SJohannes Berg case IWL_RATE_24M_PLCP: 4979ed780545SJohannes Berg rinfo->legacy = 240; 4980ed780545SJohannes Berg break; 4981ed780545SJohannes Berg case IWL_RATE_36M_PLCP: 4982ed780545SJohannes Berg rinfo->legacy = 360; 4983ed780545SJohannes Berg break; 4984ed780545SJohannes Berg case IWL_RATE_48M_PLCP: 4985ed780545SJohannes Berg rinfo->legacy = 480; 4986ed780545SJohannes Berg break; 4987ed780545SJohannes Berg case IWL_RATE_54M_PLCP: 4988ed780545SJohannes Berg rinfo->legacy = 540; 4989ed780545SJohannes Berg break; 4990ed780545SJohannes Berg } 4991ed780545SJohannes Berg } 4992ed780545SJohannes Berg } 4993ed780545SJohannes Berg 4994e705c121SKalle Valo static void iwl_mvm_mac_sta_statistics(struct ieee80211_hw *hw, 4995e705c121SKalle Valo struct ieee80211_vif *vif, 4996e705c121SKalle Valo struct ieee80211_sta *sta, 4997e705c121SKalle Valo struct station_info *sinfo) 4998e705c121SKalle Valo { 4999e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5000e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5001e705c121SKalle Valo struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 5002e705c121SKalle Valo 5003988b5968SSara Sharon if (mvmsta->avg_energy) { 500488ad368aSBen Greear sinfo->signal_avg = -(s8)mvmsta->avg_energy; 500522d0d2faSOmer Efrat sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG); 5006988b5968SSara Sharon } 5007988b5968SSara Sharon 5008ed780545SJohannes Berg if (iwl_mvm_has_tlc_offload(mvm)) { 5009ed780545SJohannes Berg struct iwl_lq_sta_rs_fw *lq_sta = &mvmsta->lq_sta.rs_fw; 5010ed780545SJohannes Berg 5011ed780545SJohannes Berg iwl_mvm_set_sta_rate(lq_sta->last_rate_n_flags, &sinfo->txrate); 5012ed780545SJohannes Berg sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 5013ed780545SJohannes Berg } 5014ed780545SJohannes Berg 5015e705c121SKalle Valo /* if beacon filtering isn't on mac80211 does it anyway */ 5016e705c121SKalle Valo if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER)) 5017e705c121SKalle Valo return; 5018e705c121SKalle Valo 5019e705c121SKalle Valo if (!vif->bss_conf.assoc) 5020e705c121SKalle Valo return; 5021e705c121SKalle Valo 5022e705c121SKalle Valo mutex_lock(&mvm->mutex); 5023e705c121SKalle Valo 5024e705c121SKalle Valo if (mvmvif->ap_sta_id != mvmsta->sta_id) 5025e705c121SKalle Valo goto unlock; 5026e705c121SKalle Valo 5027e705c121SKalle Valo if (iwl_mvm_request_statistics(mvm, false)) 5028e705c121SKalle Valo goto unlock; 5029e705c121SKalle Valo 5030e705c121SKalle Valo sinfo->rx_beacon = mvmvif->beacon_stats.num_beacons + 5031e705c121SKalle Valo mvmvif->beacon_stats.accu_num_beacons; 503222d0d2faSOmer Efrat sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_RX); 5033e705c121SKalle Valo if (mvmvif->beacon_stats.avg_signal) { 5034e705c121SKalle Valo /* firmware only reports a value after RXing a few beacons */ 5035e705c121SKalle Valo sinfo->rx_beacon_signal_avg = mvmvif->beacon_stats.avg_signal; 503622d0d2faSOmer Efrat sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG); 5037e705c121SKalle Valo } 5038e705c121SKalle Valo unlock: 5039e705c121SKalle Valo mutex_unlock(&mvm->mutex); 5040e705c121SKalle Valo } 5041e705c121SKalle Valo 5042119c2a13SMordechay Goodstein static void iwl_mvm_event_mlme_callback_ini(struct iwl_mvm *mvm, 5043119c2a13SMordechay Goodstein struct ieee80211_vif *vif, 5044119c2a13SMordechay Goodstein const struct ieee80211_mlme_event *mlme) 5045119c2a13SMordechay Goodstein { 50461a81bddfSMordechay Goodstein if ((mlme->data == ASSOC_EVENT || mlme->data == AUTH_EVENT) && 50471a81bddfSMordechay Goodstein (mlme->status == MLME_DENIED || mlme->status == MLME_TIMEOUT)) { 5048119c2a13SMordechay Goodstein iwl_dbg_tlv_time_point(&mvm->fwrt, 5049119c2a13SMordechay Goodstein IWL_FW_INI_TIME_POINT_ASSOC_FAILED, 5050119c2a13SMordechay Goodstein NULL); 5051119c2a13SMordechay Goodstein return; 5052119c2a13SMordechay Goodstein } 5053119c2a13SMordechay Goodstein 5054119c2a13SMordechay Goodstein if (mlme->data == DEAUTH_RX_EVENT || mlme->data == DEAUTH_TX_EVENT) { 5055119c2a13SMordechay Goodstein iwl_dbg_tlv_time_point(&mvm->fwrt, 5056119c2a13SMordechay Goodstein IWL_FW_INI_TIME_POINT_DEASSOC, 5057119c2a13SMordechay Goodstein NULL); 5058119c2a13SMordechay Goodstein return; 5059119c2a13SMordechay Goodstein } 5060119c2a13SMordechay Goodstein } 5061119c2a13SMordechay Goodstein 5062e705c121SKalle Valo static void iwl_mvm_event_mlme_callback(struct iwl_mvm *mvm, 5063e705c121SKalle Valo struct ieee80211_vif *vif, 5064e705c121SKalle Valo const struct ieee80211_event *event) 5065e705c121SKalle Valo { 50664c324a51SLuca Coelho #define CHECK_MLME_TRIGGER(_cnt, _fmt...) \ 5067e705c121SKalle Valo do { \ 50684c324a51SLuca Coelho if ((trig_mlme->_cnt) && --(trig_mlme->_cnt)) \ 5069e705c121SKalle Valo break; \ 50707174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&(mvm)->fwrt, trig, _fmt); \ 5071e705c121SKalle Valo } while (0) 5072e705c121SKalle Valo 5073e705c121SKalle Valo struct iwl_fw_dbg_trigger_tlv *trig; 5074e705c121SKalle Valo struct iwl_fw_dbg_trigger_mlme *trig_mlme; 5075e705c121SKalle Valo 5076119c2a13SMordechay Goodstein if (iwl_trans_dbg_ini_valid(mvm->trans)) { 5077119c2a13SMordechay Goodstein iwl_mvm_event_mlme_callback_ini(mvm, vif, &event->u.mlme); 5078119c2a13SMordechay Goodstein return; 5079119c2a13SMordechay Goodstein } 5080119c2a13SMordechay Goodstein 50816c042d75SSara Sharon trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 50826c042d75SSara Sharon FW_DBG_TRIGGER_MLME); 50836c042d75SSara Sharon if (!trig) 5084e705c121SKalle Valo return; 5085e705c121SKalle Valo 5086e705c121SKalle Valo trig_mlme = (void *)trig->data; 5087e705c121SKalle Valo 5088e705c121SKalle Valo if (event->u.mlme.data == ASSOC_EVENT) { 5089e705c121SKalle Valo if (event->u.mlme.status == MLME_DENIED) 50904c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_assoc_denied, 5091e705c121SKalle Valo "DENIED ASSOC: reason %d", 5092e705c121SKalle Valo event->u.mlme.reason); 5093e705c121SKalle Valo else if (event->u.mlme.status == MLME_TIMEOUT) 50944c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_assoc_timeout, 5095e705c121SKalle Valo "ASSOC TIMEOUT"); 5096e705c121SKalle Valo } else if (event->u.mlme.data == AUTH_EVENT) { 5097e705c121SKalle Valo if (event->u.mlme.status == MLME_DENIED) 50984c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_auth_denied, 5099e705c121SKalle Valo "DENIED AUTH: reason %d", 5100e705c121SKalle Valo event->u.mlme.reason); 5101e705c121SKalle Valo else if (event->u.mlme.status == MLME_TIMEOUT) 51024c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_auth_timeout, 5103e705c121SKalle Valo "AUTH TIMEOUT"); 5104e705c121SKalle Valo } else if (event->u.mlme.data == DEAUTH_RX_EVENT) { 51054c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_rx_deauth, 5106e705c121SKalle Valo "DEAUTH RX %d", event->u.mlme.reason); 5107e705c121SKalle Valo } else if (event->u.mlme.data == DEAUTH_TX_EVENT) { 51084c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_tx_deauth, 5109e705c121SKalle Valo "DEAUTH TX %d", event->u.mlme.reason); 5110e705c121SKalle Valo } 5111e705c121SKalle Valo #undef CHECK_MLME_TRIGGER 5112e705c121SKalle Valo } 5113e705c121SKalle Valo 5114e705c121SKalle Valo static void iwl_mvm_event_bar_rx_callback(struct iwl_mvm *mvm, 5115e705c121SKalle Valo struct ieee80211_vif *vif, 5116e705c121SKalle Valo const struct ieee80211_event *event) 5117e705c121SKalle Valo { 5118e705c121SKalle Valo struct iwl_fw_dbg_trigger_tlv *trig; 5119e705c121SKalle Valo struct iwl_fw_dbg_trigger_ba *ba_trig; 5120e705c121SKalle Valo 51216c042d75SSara Sharon trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 51226c042d75SSara Sharon FW_DBG_TRIGGER_BA); 51236c042d75SSara Sharon if (!trig) 5124e705c121SKalle Valo return; 5125e705c121SKalle Valo 5126e705c121SKalle Valo ba_trig = (void *)trig->data; 5127e705c121SKalle Valo 5128e705c121SKalle Valo if (!(le16_to_cpu(ba_trig->rx_bar) & BIT(event->u.ba.tid))) 5129e705c121SKalle Valo return; 5130e705c121SKalle Valo 51317174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 5132e705c121SKalle Valo "BAR received from %pM, tid %d, ssn %d", 5133e705c121SKalle Valo event->u.ba.sta->addr, event->u.ba.tid, 5134e705c121SKalle Valo event->u.ba.ssn); 5135e705c121SKalle Valo } 5136e705c121SKalle Valo 5137e705c121SKalle Valo static void iwl_mvm_mac_event_callback(struct ieee80211_hw *hw, 5138e705c121SKalle Valo struct ieee80211_vif *vif, 5139e705c121SKalle Valo const struct ieee80211_event *event) 5140e705c121SKalle Valo { 5141e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5142e705c121SKalle Valo 5143e705c121SKalle Valo switch (event->type) { 5144e705c121SKalle Valo case MLME_EVENT: 5145e705c121SKalle Valo iwl_mvm_event_mlme_callback(mvm, vif, event); 5146e705c121SKalle Valo break; 5147e705c121SKalle Valo case BAR_RX_EVENT: 5148e705c121SKalle Valo iwl_mvm_event_bar_rx_callback(mvm, vif, event); 5149e705c121SKalle Valo break; 5150e705c121SKalle Valo case BA_FRAME_TIMEOUT: 5151528a542aSEmmanuel Grumbach iwl_mvm_event_frame_timeout_callback(mvm, vif, event->u.ba.sta, 5152528a542aSEmmanuel Grumbach event->u.ba.tid); 5153e705c121SKalle Valo break; 5154e705c121SKalle Valo default: 5155e705c121SKalle Valo break; 5156e705c121SKalle Valo } 5157e705c121SKalle Valo } 5158e705c121SKalle Valo 5159d0ff5d22SSara Sharon void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm, 51605e1688ceSJohannes Berg enum iwl_mvm_rxq_notif_type type, 51615e1688ceSJohannes Berg bool sync, 51625e1688ceSJohannes Berg const void *data, u32 size) 51630636b938SSara Sharon { 51645e1688ceSJohannes Berg struct { 51655e1688ceSJohannes Berg struct iwl_rxq_sync_cmd cmd; 51665e1688ceSJohannes Berg struct iwl_mvm_internal_rxq_notif notif; 51675e1688ceSJohannes Berg } __packed cmd = { 51685e1688ceSJohannes Berg .cmd.rxq_mask = cpu_to_le32(BIT(mvm->trans->num_rx_queues) - 1), 51695e1688ceSJohannes Berg .cmd.count = 51705e1688ceSJohannes Berg cpu_to_le32(sizeof(struct iwl_mvm_internal_rxq_notif) + 51715e1688ceSJohannes Berg size), 51725e1688ceSJohannes Berg .notif.type = type, 51735e1688ceSJohannes Berg .notif.sync = sync, 51745e1688ceSJohannes Berg }; 51755e1688ceSJohannes Berg struct iwl_host_cmd hcmd = { 51765e1688ceSJohannes Berg .id = WIDE_ID(DATA_PATH_GROUP, TRIGGER_RX_QUEUES_NOTIF_CMD), 51775e1688ceSJohannes Berg .data[0] = &cmd, 51785e1688ceSJohannes Berg .len[0] = sizeof(cmd), 51795e1688ceSJohannes Berg .data[1] = data, 51805e1688ceSJohannes Berg .len[1] = size, 51815e1688ceSJohannes Berg .flags = sync ? 0 : CMD_ASYNC, 51825e1688ceSJohannes Berg }; 51830636b938SSara Sharon int ret; 51840636b938SSara Sharon 51855e1688ceSJohannes Berg /* size must be a multiple of DWORD */ 51865e1688ceSJohannes Berg if (WARN_ON(cmd.cmd.count & cpu_to_le32(3))) 51875e1688ceSJohannes Berg return; 51880636b938SSara Sharon 5189cb8550e1SSara Sharon if (!iwl_mvm_has_new_rx_api(mvm)) 51900636b938SSara Sharon return; 51910636b938SSara Sharon 51925e1688ceSJohannes Berg if (sync) { 51935e1688ceSJohannes Berg cmd.notif.cookie = mvm->queue_sync_cookie; 51942f7a04c7SJohannes Berg mvm->queue_sync_state = (1 << mvm->trans->num_rx_queues) - 1; 5195a2113cc4SNaftali Goldstein } 5196d0ff5d22SSara Sharon 51975e1688ceSJohannes Berg ret = iwl_mvm_send_cmd(mvm, &hcmd); 51980636b938SSara Sharon if (ret) { 51990636b938SSara Sharon IWL_ERR(mvm, "Failed to trigger RX queues sync (%d)\n", ret); 52000636b938SSara Sharon goto out; 52010636b938SSara Sharon } 5202d0ff5d22SSara Sharon 52035e1688ceSJohannes Berg if (sync) { 52043c514bf8SEmmanuel Grumbach lockdep_assert_held(&mvm->mutex); 52053a732c65SSara Sharon ret = wait_event_timeout(mvm->rx_sync_waitq, 52062f7a04c7SJohannes Berg READ_ONCE(mvm->queue_sync_state) == 0 || 52076ad04359SJohannes Berg iwl_mvm_is_radio_killed(mvm), 52080636b938SSara Sharon HZ); 52092f7a04c7SJohannes Berg WARN_ONCE(!ret && !iwl_mvm_is_radio_killed(mvm), 52102f7a04c7SJohannes Berg "queue sync: failed to sync, state is 0x%lx\n", 52112f7a04c7SJohannes Berg mvm->queue_sync_state); 52126ad04359SJohannes Berg } 52130636b938SSara Sharon 52140636b938SSara Sharon out: 52155e1688ceSJohannes Berg if (sync) { 52162f7a04c7SJohannes Berg mvm->queue_sync_state = 0; 52170636b938SSara Sharon mvm->queue_sync_cookie++; 52180636b938SSara Sharon } 52195f8a3561SJohannes Berg } 52200636b938SSara Sharon 52210636b938SSara Sharon static void iwl_mvm_sync_rx_queues(struct ieee80211_hw *hw) 52220636b938SSara Sharon { 52230636b938SSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 52240636b938SSara Sharon 52250636b938SSara Sharon mutex_lock(&mvm->mutex); 52265e1688ceSJohannes Berg iwl_mvm_sync_rx_queues_internal(mvm, IWL_MVM_RXQ_EMPTY, true, NULL, 0); 52270636b938SSara Sharon mutex_unlock(&mvm->mutex); 52280636b938SSara Sharon } 52290636b938SSara Sharon 5230b73f9a4aSJohannes Berg static int 5231b73f9a4aSJohannes Berg iwl_mvm_mac_get_ftm_responder_stats(struct ieee80211_hw *hw, 5232b73f9a4aSJohannes Berg struct ieee80211_vif *vif, 5233b73f9a4aSJohannes Berg struct cfg80211_ftm_responder_stats *stats) 5234b73f9a4aSJohannes Berg { 5235b73f9a4aSJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5236b73f9a4aSJohannes Berg struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5237b73f9a4aSJohannes Berg 5238b73f9a4aSJohannes Berg if (vif->p2p || vif->type != NL80211_IFTYPE_AP || 5239b73f9a4aSJohannes Berg !mvmvif->ap_ibss_active || !vif->bss_conf.ftm_responder) 5240b73f9a4aSJohannes Berg return -EINVAL; 5241b73f9a4aSJohannes Berg 5242b73f9a4aSJohannes Berg mutex_lock(&mvm->mutex); 5243b73f9a4aSJohannes Berg *stats = mvm->ftm_resp_stats; 5244b73f9a4aSJohannes Berg mutex_unlock(&mvm->mutex); 5245b73f9a4aSJohannes Berg 5246b73f9a4aSJohannes Berg stats->filled = BIT(NL80211_FTM_STATS_SUCCESS_NUM) | 5247b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_PARTIAL_NUM) | 5248b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_FAILED_NUM) | 5249b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_ASAP_NUM) | 5250b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_NON_ASAP_NUM) | 5251b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_TOTAL_DURATION_MSEC) | 5252b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_UNKNOWN_TRIGGERS_NUM) | 5253b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_RESCHEDULE_REQUESTS_NUM) | 5254b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_OUT_OF_WINDOW_TRIGGERS_NUM); 5255b73f9a4aSJohannes Berg 5256b73f9a4aSJohannes Berg return 0; 5257b73f9a4aSJohannes Berg } 5258b73f9a4aSJohannes Berg 5259fc36ffdaSJohannes Berg static int iwl_mvm_start_pmsr(struct ieee80211_hw *hw, 5260fc36ffdaSJohannes Berg struct ieee80211_vif *vif, 5261fc36ffdaSJohannes Berg struct cfg80211_pmsr_request *request) 5262fc36ffdaSJohannes Berg { 5263fc36ffdaSJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5264fc36ffdaSJohannes Berg int ret; 5265fc36ffdaSJohannes Berg 5266fc36ffdaSJohannes Berg mutex_lock(&mvm->mutex); 5267fc36ffdaSJohannes Berg ret = iwl_mvm_ftm_start(mvm, vif, request); 5268fc36ffdaSJohannes Berg mutex_unlock(&mvm->mutex); 5269fc36ffdaSJohannes Berg 5270fc36ffdaSJohannes Berg return ret; 5271fc36ffdaSJohannes Berg } 5272fc36ffdaSJohannes Berg 5273fc36ffdaSJohannes Berg static void iwl_mvm_abort_pmsr(struct ieee80211_hw *hw, 5274fc36ffdaSJohannes Berg struct ieee80211_vif *vif, 5275fc36ffdaSJohannes Berg struct cfg80211_pmsr_request *request) 5276fc36ffdaSJohannes Berg { 5277fc36ffdaSJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5278fc36ffdaSJohannes Berg 5279fc36ffdaSJohannes Berg mutex_lock(&mvm->mutex); 5280fc36ffdaSJohannes Berg iwl_mvm_ftm_abort(mvm, request); 5281fc36ffdaSJohannes Berg mutex_unlock(&mvm->mutex); 5282fc36ffdaSJohannes Berg } 5283fc36ffdaSJohannes Berg 5284438af969SSara Sharon static bool iwl_mvm_can_hw_csum(struct sk_buff *skb) 5285438af969SSara Sharon { 5286438af969SSara Sharon u8 protocol = ip_hdr(skb)->protocol; 5287438af969SSara Sharon 5288438af969SSara Sharon if (!IS_ENABLED(CONFIG_INET)) 5289438af969SSara Sharon return false; 5290438af969SSara Sharon 5291438af969SSara Sharon return protocol == IPPROTO_TCP || protocol == IPPROTO_UDP; 5292438af969SSara Sharon } 5293438af969SSara Sharon 5294438af969SSara Sharon static bool iwl_mvm_mac_can_aggregate(struct ieee80211_hw *hw, 5295438af969SSara Sharon struct sk_buff *head, 5296438af969SSara Sharon struct sk_buff *skb) 5297438af969SSara Sharon { 5298438af969SSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5299438af969SSara Sharon 5300438af969SSara Sharon /* For now don't aggregate IPv6 in AMSDU */ 5301438af969SSara Sharon if (skb->protocol != htons(ETH_P_IP)) 5302438af969SSara Sharon return false; 5303438af969SSara Sharon 5304438af969SSara Sharon if (!iwl_mvm_is_csum_supported(mvm)) 5305438af969SSara Sharon return true; 5306438af969SSara Sharon 5307438af969SSara Sharon return iwl_mvm_can_hw_csum(skb) == iwl_mvm_can_hw_csum(head); 5308438af969SSara Sharon } 5309438af969SSara Sharon 5310e705c121SKalle Valo const struct ieee80211_ops iwl_mvm_hw_ops = { 5311e705c121SKalle Valo .tx = iwl_mvm_mac_tx, 5312cfbc6c4cSSara Sharon .wake_tx_queue = iwl_mvm_mac_wake_tx_queue, 5313e705c121SKalle Valo .ampdu_action = iwl_mvm_mac_ampdu_action, 5314e8503aecSBen Greear .get_antenna = iwl_mvm_op_get_antenna, 5315e705c121SKalle Valo .start = iwl_mvm_mac_start, 5316e705c121SKalle Valo .reconfig_complete = iwl_mvm_mac_reconfig_complete, 5317e705c121SKalle Valo .stop = iwl_mvm_mac_stop, 5318e705c121SKalle Valo .add_interface = iwl_mvm_mac_add_interface, 5319e705c121SKalle Valo .remove_interface = iwl_mvm_mac_remove_interface, 5320e705c121SKalle Valo .config = iwl_mvm_mac_config, 5321e705c121SKalle Valo .prepare_multicast = iwl_mvm_prepare_multicast, 5322e705c121SKalle Valo .configure_filter = iwl_mvm_configure_filter, 5323e705c121SKalle Valo .config_iface_filter = iwl_mvm_config_iface_filter, 5324e705c121SKalle Valo .bss_info_changed = iwl_mvm_bss_info_changed, 5325e705c121SKalle Valo .hw_scan = iwl_mvm_mac_hw_scan, 5326e705c121SKalle Valo .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan, 5327e705c121SKalle Valo .sta_pre_rcu_remove = iwl_mvm_sta_pre_rcu_remove, 5328e705c121SKalle Valo .sta_state = iwl_mvm_mac_sta_state, 5329e705c121SKalle Valo .sta_notify = iwl_mvm_mac_sta_notify, 5330e705c121SKalle Valo .allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames, 5331e705c121SKalle Valo .release_buffered_frames = iwl_mvm_mac_release_buffered_frames, 5332e705c121SKalle Valo .set_rts_threshold = iwl_mvm_mac_set_rts_threshold, 5333e705c121SKalle Valo .sta_rc_update = iwl_mvm_sta_rc_update, 5334e705c121SKalle Valo .conf_tx = iwl_mvm_mac_conf_tx, 5335e705c121SKalle Valo .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx, 5336e705c121SKalle Valo .mgd_protect_tdls_discover = iwl_mvm_mac_mgd_protect_tdls_discover, 5337e705c121SKalle Valo .flush = iwl_mvm_mac_flush, 5338e705c121SKalle Valo .sched_scan_start = iwl_mvm_mac_sched_scan_start, 5339e705c121SKalle Valo .sched_scan_stop = iwl_mvm_mac_sched_scan_stop, 5340e705c121SKalle Valo .set_key = iwl_mvm_mac_set_key, 5341e705c121SKalle Valo .update_tkip_key = iwl_mvm_mac_update_tkip_key, 5342e705c121SKalle Valo .remain_on_channel = iwl_mvm_roc, 5343e705c121SKalle Valo .cancel_remain_on_channel = iwl_mvm_cancel_roc, 5344e705c121SKalle Valo .add_chanctx = iwl_mvm_add_chanctx, 5345e705c121SKalle Valo .remove_chanctx = iwl_mvm_remove_chanctx, 5346e705c121SKalle Valo .change_chanctx = iwl_mvm_change_chanctx, 5347e705c121SKalle Valo .assign_vif_chanctx = iwl_mvm_assign_vif_chanctx, 5348e705c121SKalle Valo .unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx, 5349e705c121SKalle Valo .switch_vif_chanctx = iwl_mvm_switch_vif_chanctx, 5350e705c121SKalle Valo 5351e705c121SKalle Valo .start_ap = iwl_mvm_start_ap_ibss, 5352e705c121SKalle Valo .stop_ap = iwl_mvm_stop_ap_ibss, 5353e705c121SKalle Valo .join_ibss = iwl_mvm_start_ap_ibss, 5354e705c121SKalle Valo .leave_ibss = iwl_mvm_stop_ap_ibss, 5355e705c121SKalle Valo 53562f0282dbSJohannes Berg .tx_last_beacon = iwl_mvm_tx_last_beacon, 53572f0282dbSJohannes Berg 5358e705c121SKalle Valo .set_tim = iwl_mvm_set_tim, 5359e705c121SKalle Valo 5360e705c121SKalle Valo .channel_switch = iwl_mvm_channel_switch, 5361e705c121SKalle Valo .pre_channel_switch = iwl_mvm_pre_channel_switch, 5362e705c121SKalle Valo .post_channel_switch = iwl_mvm_post_channel_switch, 536379221126SSara Sharon .abort_channel_switch = iwl_mvm_abort_channel_switch, 5364c37763d2SSara Sharon .channel_switch_rx_beacon = iwl_mvm_channel_switch_rx_beacon, 5365e705c121SKalle Valo 5366e705c121SKalle Valo .tdls_channel_switch = iwl_mvm_tdls_channel_switch, 5367e705c121SKalle Valo .tdls_cancel_channel_switch = iwl_mvm_tdls_cancel_channel_switch, 5368e705c121SKalle Valo .tdls_recv_channel_switch = iwl_mvm_tdls_recv_channel_switch, 5369e705c121SKalle Valo 5370e705c121SKalle Valo .event_callback = iwl_mvm_mac_event_callback, 5371e705c121SKalle Valo 53720636b938SSara Sharon .sync_rx_queues = iwl_mvm_sync_rx_queues, 53730636b938SSara Sharon 5374e705c121SKalle Valo CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd) 5375e705c121SKalle Valo 5376e705c121SKalle Valo #ifdef CONFIG_PM_SLEEP 5377e705c121SKalle Valo /* look at d3.c */ 5378e705c121SKalle Valo .suspend = iwl_mvm_suspend, 5379e705c121SKalle Valo .resume = iwl_mvm_resume, 5380e705c121SKalle Valo .set_wakeup = iwl_mvm_set_wakeup, 5381e705c121SKalle Valo .set_rekey_data = iwl_mvm_set_rekey_data, 5382e705c121SKalle Valo #if IS_ENABLED(CONFIG_IPV6) 5383e705c121SKalle Valo .ipv6_addr_change = iwl_mvm_ipv6_addr_change, 5384e705c121SKalle Valo #endif 5385e705c121SKalle Valo .set_default_unicast_key = iwl_mvm_set_default_unicast_key, 5386e705c121SKalle Valo #endif 5387e705c121SKalle Valo .get_survey = iwl_mvm_mac_get_survey, 5388e705c121SKalle Valo .sta_statistics = iwl_mvm_mac_sta_statistics, 5389b73f9a4aSJohannes Berg .get_ftm_responder_stats = iwl_mvm_mac_get_ftm_responder_stats, 5390fc36ffdaSJohannes Berg .start_pmsr = iwl_mvm_start_pmsr, 5391fc36ffdaSJohannes Berg .abort_pmsr = iwl_mvm_abort_pmsr, 5392b73f9a4aSJohannes Berg 5393438af969SSara Sharon .can_aggregate_in_amsdu = iwl_mvm_mac_can_aggregate, 5394177a11cfSGregory Greenman #ifdef CONFIG_IWLWIFI_DEBUGFS 5395177a11cfSGregory Greenman .sta_add_debugfs = iwl_mvm_sta_add_debugfs, 5396177a11cfSGregory Greenman #endif 5397e705c121SKalle Valo }; 5398