18e99ea8dSJohannes Berg // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause 28e99ea8dSJohannes Berg /* 3091296d3SMiri Korenblit * Copyright (C) 2012-2014, 2018-2022 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 195283dd67SMordechay Goodstein #include "iwl-drv.h" 20e705c121SKalle Valo #include "iwl-op-mode.h" 21e705c121SKalle Valo #include "iwl-io.h" 22e705c121SKalle Valo #include "mvm.h" 23e705c121SKalle Valo #include "sta.h" 24e705c121SKalle Valo #include "time-event.h" 25e705c121SKalle Valo #include "iwl-eeprom-parse.h" 26e705c121SKalle Valo #include "iwl-phy-db.h" 27e705c121SKalle Valo #include "testmode.h" 28d962f9b1SJohannes Berg #include "fw/error-dump.h" 29e705c121SKalle Valo #include "iwl-prph.h" 30e705c121SKalle Valo #include "iwl-nvm-parse.h" 31e705c121SKalle Valo 32e705c121SKalle Valo static const struct ieee80211_iface_limit iwl_mvm_limits[] = { 33e705c121SKalle Valo { 34e705c121SKalle Valo .max = 1, 35e705c121SKalle Valo .types = BIT(NL80211_IFTYPE_STATION), 36e705c121SKalle Valo }, 37e705c121SKalle Valo { 38e705c121SKalle Valo .max = 1, 39e705c121SKalle Valo .types = BIT(NL80211_IFTYPE_AP) | 40e705c121SKalle Valo BIT(NL80211_IFTYPE_P2P_CLIENT) | 41e705c121SKalle Valo BIT(NL80211_IFTYPE_P2P_GO), 42e705c121SKalle Valo }, 43e705c121SKalle Valo { 44e705c121SKalle Valo .max = 1, 45e705c121SKalle Valo .types = BIT(NL80211_IFTYPE_P2P_DEVICE), 46e705c121SKalle Valo }, 47e705c121SKalle Valo }; 48e705c121SKalle Valo 49e705c121SKalle Valo static const struct ieee80211_iface_combination iwl_mvm_iface_combinations[] = { 50e705c121SKalle Valo { 51e705c121SKalle Valo .num_different_channels = 2, 52e705c121SKalle Valo .max_interfaces = 3, 53e705c121SKalle Valo .limits = iwl_mvm_limits, 54e705c121SKalle Valo .n_limits = ARRAY_SIZE(iwl_mvm_limits), 55e705c121SKalle Valo }, 56e705c121SKalle Valo }; 57e705c121SKalle Valo 58fc36ffdaSJohannes Berg static const struct cfg80211_pmsr_capabilities iwl_mvm_pmsr_capa = { 59fc36ffdaSJohannes Berg .max_peers = IWL_MVM_TOF_MAX_APS, 60fc36ffdaSJohannes Berg .report_ap_tsf = 1, 61fc36ffdaSJohannes Berg .randomize_mac_addr = 1, 62fc36ffdaSJohannes Berg 63fc36ffdaSJohannes Berg .ftm = { 64fc36ffdaSJohannes Berg .supported = 1, 65fc36ffdaSJohannes Berg .asap = 1, 66fc36ffdaSJohannes Berg .non_asap = 1, 67fc36ffdaSJohannes Berg .request_lci = 1, 68fc36ffdaSJohannes Berg .request_civicloc = 1, 696815e3d0SAvraham Stern .trigger_based = 1, 706815e3d0SAvraham Stern .non_trigger_based = 1, 71fc36ffdaSJohannes Berg .max_bursts_exponent = -1, /* all supported */ 72fc36ffdaSJohannes Berg .max_ftms_per_burst = 0, /* no limits */ 73fc36ffdaSJohannes Berg .bandwidths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | 74fc36ffdaSJohannes Berg BIT(NL80211_CHAN_WIDTH_20) | 75fc36ffdaSJohannes Berg BIT(NL80211_CHAN_WIDTH_40) | 768a2c1516SAvraham Stern BIT(NL80211_CHAN_WIDTH_80) | 778a2c1516SAvraham Stern BIT(NL80211_CHAN_WIDTH_160), 78fc36ffdaSJohannes Berg .preambles = BIT(NL80211_PREAMBLE_LEGACY) | 79fc36ffdaSJohannes Berg BIT(NL80211_PREAMBLE_HT) | 806815e3d0SAvraham Stern BIT(NL80211_PREAMBLE_VHT) | 816815e3d0SAvraham Stern BIT(NL80211_PREAMBLE_HE), 82fc36ffdaSJohannes Berg }, 83fc36ffdaSJohannes Berg }; 84fc36ffdaSJohannes Berg 856569e7d3SJohannes Berg static int __iwl_mvm_mac_set_key(struct ieee80211_hw *hw, 86c56e00a3SJohannes Berg enum set_key_cmd cmd, 87c56e00a3SJohannes Berg struct ieee80211_vif *vif, 88c56e00a3SJohannes Berg struct ieee80211_sta *sta, 89c56e00a3SJohannes Berg struct ieee80211_key_conf *key); 90c56e00a3SJohannes Berg 91e705c121SKalle Valo static void iwl_mvm_reset_phy_ctxts(struct iwl_mvm *mvm) 92e705c121SKalle Valo { 93e705c121SKalle Valo int i; 94e705c121SKalle Valo 95e705c121SKalle Valo memset(mvm->phy_ctxts, 0, sizeof(mvm->phy_ctxts)); 96e705c121SKalle Valo for (i = 0; i < NUM_PHY_CTX; i++) { 97e705c121SKalle Valo mvm->phy_ctxts[i].id = i; 98e705c121SKalle Valo mvm->phy_ctxts[i].ref = 0; 99e705c121SKalle Valo } 100e705c121SKalle Valo } 101e705c121SKalle Valo 102e705c121SKalle Valo struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy, 103e705c121SKalle Valo const char *alpha2, 104e705c121SKalle Valo enum iwl_mcc_source src_id, 105e705c121SKalle Valo bool *changed) 106e705c121SKalle Valo { 107e705c121SKalle Valo struct ieee80211_regdomain *regd = NULL; 108e705c121SKalle Valo struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); 109e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 110e705c121SKalle Valo struct iwl_mcc_update_resp *resp; 111e27c506aSGil Adam u8 resp_ver; 112e705c121SKalle Valo 113e705c121SKalle Valo IWL_DEBUG_LAR(mvm, "Getting regdomain data for %s from FW\n", alpha2); 114e705c121SKalle Valo 115e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 116e705c121SKalle Valo 117e705c121SKalle Valo resp = iwl_mvm_update_mcc(mvm, alpha2, src_id); 118e705c121SKalle Valo if (IS_ERR_OR_NULL(resp)) { 119e705c121SKalle Valo IWL_DEBUG_LAR(mvm, "Could not get update from FW %d\n", 120e705c121SKalle Valo PTR_ERR_OR_ZERO(resp)); 1216d19a5ebSEmmanuel Grumbach resp = NULL; 122e705c121SKalle Valo goto out; 123e705c121SKalle Valo } 124e705c121SKalle Valo 12582715ac7SEmmanuel Grumbach if (changed) { 12682715ac7SEmmanuel Grumbach u32 status = le32_to_cpu(resp->status); 12782715ac7SEmmanuel Grumbach 12882715ac7SEmmanuel Grumbach *changed = (status == MCC_RESP_NEW_CHAN_PROFILE || 12982715ac7SEmmanuel Grumbach status == MCC_RESP_ILLEGAL); 13082715ac7SEmmanuel Grumbach } 131e27c506aSGil Adam resp_ver = iwl_fw_lookup_notif_ver(mvm->fw, IWL_ALWAYS_LONG_GROUP, 132e27c506aSGil Adam MCC_UPDATE_CMD, 0); 133e27c506aSGil Adam IWL_DEBUG_LAR(mvm, "MCC update response version: %d\n", resp_ver); 134e705c121SKalle Valo 135e705c121SKalle Valo regd = iwl_parse_nvm_mcc_info(mvm->trans->dev, mvm->cfg, 136e705c121SKalle Valo __le32_to_cpu(resp->n_channels), 137e705c121SKalle Valo resp->channels, 13877e30e10SHaim Dreyfuss __le16_to_cpu(resp->mcc), 1392763bba6SHaim Dreyfuss __le16_to_cpu(resp->geo_info), 140e27c506aSGil Adam __le16_to_cpu(resp->cap), resp_ver); 141e705c121SKalle Valo /* Store the return source id */ 142e705c121SKalle Valo src_id = resp->source_id; 143e705c121SKalle Valo if (IS_ERR_OR_NULL(regd)) { 144e705c121SKalle Valo IWL_DEBUG_LAR(mvm, "Could not get parse update from FW %d\n", 145e705c121SKalle Valo PTR_ERR_OR_ZERO(regd)); 146e705c121SKalle Valo goto out; 147e705c121SKalle Valo } 148e705c121SKalle Valo 149e705c121SKalle Valo IWL_DEBUG_LAR(mvm, "setting alpha2 from FW to %s (0x%x, 0x%x) src=%d\n", 150e705c121SKalle Valo regd->alpha2, regd->alpha2[0], regd->alpha2[1], src_id); 151e705c121SKalle Valo mvm->lar_regdom_set = true; 152e705c121SKalle Valo mvm->mcc_src = src_id; 153e705c121SKalle Valo 1546d19a5ebSEmmanuel Grumbach iwl_mei_set_country_code(__le16_to_cpu(resp->mcc)); 1556d19a5ebSEmmanuel Grumbach 156e705c121SKalle Valo out: 1576d19a5ebSEmmanuel Grumbach kfree(resp); 158e705c121SKalle Valo return regd; 159e705c121SKalle Valo } 160e705c121SKalle Valo 161e705c121SKalle Valo void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm) 162e705c121SKalle Valo { 163e705c121SKalle Valo bool changed; 164e705c121SKalle Valo struct ieee80211_regdomain *regd; 165e705c121SKalle Valo 166e705c121SKalle Valo if (!iwl_mvm_is_lar_supported(mvm)) 167e705c121SKalle Valo return; 168e705c121SKalle Valo 169e705c121SKalle Valo regd = iwl_mvm_get_current_regdomain(mvm, &changed); 170e705c121SKalle Valo if (!IS_ERR_OR_NULL(regd)) { 171e705c121SKalle Valo /* only update the regulatory core if changed */ 172e705c121SKalle Valo if (changed) 173e705c121SKalle Valo regulatory_set_wiphy_regd(mvm->hw->wiphy, regd); 174e705c121SKalle Valo 175e705c121SKalle Valo kfree(regd); 176e705c121SKalle Valo } 177e705c121SKalle Valo } 178e705c121SKalle Valo 179e705c121SKalle Valo struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm, 180e705c121SKalle Valo bool *changed) 181e705c121SKalle Valo { 182e705c121SKalle Valo return iwl_mvm_get_regdomain(mvm->hw->wiphy, "ZZ", 183e705c121SKalle Valo iwl_mvm_is_wifi_mcc_supported(mvm) ? 184e705c121SKalle Valo MCC_SOURCE_GET_CURRENT : 185e705c121SKalle Valo MCC_SOURCE_OLD_FW, changed); 186e705c121SKalle Valo } 187e705c121SKalle Valo 188e705c121SKalle Valo int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm) 189e705c121SKalle Valo { 190e705c121SKalle Valo enum iwl_mcc_source used_src; 191e705c121SKalle Valo struct ieee80211_regdomain *regd; 192e705c121SKalle Valo int ret; 193e705c121SKalle Valo bool changed; 194e705c121SKalle Valo const struct ieee80211_regdomain *r = 195a05829a7SJohannes Berg wiphy_dereference(mvm->hw->wiphy, mvm->hw->wiphy->regd); 196e705c121SKalle Valo 197e705c121SKalle Valo if (!r) 198e705c121SKalle Valo return -ENOENT; 199e705c121SKalle Valo 200e705c121SKalle Valo /* save the last source in case we overwrite it below */ 201e705c121SKalle Valo used_src = mvm->mcc_src; 202e705c121SKalle Valo if (iwl_mvm_is_wifi_mcc_supported(mvm)) { 203e705c121SKalle Valo /* Notify the firmware we support wifi location updates */ 204e705c121SKalle Valo regd = iwl_mvm_get_current_regdomain(mvm, NULL); 205e705c121SKalle Valo if (!IS_ERR_OR_NULL(regd)) 206e705c121SKalle Valo kfree(regd); 207e705c121SKalle Valo } 208e705c121SKalle Valo 209e705c121SKalle Valo /* Now set our last stored MCC and source */ 210e705c121SKalle Valo regd = iwl_mvm_get_regdomain(mvm->hw->wiphy, r->alpha2, used_src, 211e705c121SKalle Valo &changed); 212e705c121SKalle Valo if (IS_ERR_OR_NULL(regd)) 213e705c121SKalle Valo return -EIO; 214e705c121SKalle Valo 215e705c121SKalle Valo /* update cfg80211 if the regdomain was changed */ 216e705c121SKalle Valo if (changed) 217a05829a7SJohannes Berg ret = regulatory_set_wiphy_regd_sync(mvm->hw->wiphy, regd); 218e705c121SKalle Valo else 219e705c121SKalle Valo ret = 0; 220e705c121SKalle Valo 221e705c121SKalle Valo kfree(regd); 222e705c121SKalle Valo return ret; 223e705c121SKalle Valo } 224e705c121SKalle Valo 2257f2ea521SYueHaibing static const u8 he_if_types_ext_capa_sta[] = { 2267360f99eSEmmanuel Grumbach [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING, 227918cbf39SSara Sharon [2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT, 2287360f99eSEmmanuel Grumbach [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF, 2297360f99eSEmmanuel Grumbach }; 2307360f99eSEmmanuel Grumbach 2317f2ea521SYueHaibing static const struct wiphy_iftype_ext_capab he_iftypes_ext_capa[] = { 2327360f99eSEmmanuel Grumbach { 2337360f99eSEmmanuel Grumbach .iftype = NL80211_IFTYPE_STATION, 2347360f99eSEmmanuel Grumbach .extended_capabilities = he_if_types_ext_capa_sta, 2357360f99eSEmmanuel Grumbach .extended_capabilities_mask = he_if_types_ext_capa_sta, 2367360f99eSEmmanuel Grumbach .extended_capabilities_len = sizeof(he_if_types_ext_capa_sta), 2377360f99eSEmmanuel Grumbach }, 2387360f99eSEmmanuel Grumbach }; 2397360f99eSEmmanuel Grumbach 240e8503aecSBen Greear static int 241e8503aecSBen Greear iwl_mvm_op_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant) 242e8503aecSBen Greear { 243e8503aecSBen Greear struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 244e8503aecSBen Greear *tx_ant = iwl_mvm_get_valid_tx_ant(mvm); 245e8503aecSBen Greear *rx_ant = iwl_mvm_get_valid_rx_ant(mvm); 246e8503aecSBen Greear return 0; 247e8503aecSBen Greear } 248e8503aecSBen Greear 249e705c121SKalle Valo int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) 250e705c121SKalle Valo { 251e705c121SKalle Valo struct ieee80211_hw *hw = mvm->hw; 252e705c121SKalle Valo int num_mac, ret, i; 253e705c121SKalle Valo static const u32 mvm_ciphers[] = { 254e705c121SKalle Valo WLAN_CIPHER_SUITE_WEP40, 255e705c121SKalle Valo WLAN_CIPHER_SUITE_WEP104, 256e705c121SKalle Valo WLAN_CIPHER_SUITE_TKIP, 257e705c121SKalle Valo WLAN_CIPHER_SUITE_CCMP, 258e705c121SKalle Valo }; 2593f37c229SIdo Yariv #ifdef CONFIG_PM_SLEEP 2603f37c229SIdo Yariv bool unified = fw_has_capa(&mvm->fw->ucode_capa, 2613f37c229SIdo Yariv IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG); 2623f37c229SIdo Yariv #endif 263e705c121SKalle Valo 264e705c121SKalle Valo /* Tell mac80211 our characteristics */ 265e705c121SKalle Valo ieee80211_hw_set(hw, SIGNAL_DBM); 266e705c121SKalle Valo ieee80211_hw_set(hw, SPECTRUM_MGMT); 267e705c121SKalle Valo ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS); 268e705c121SKalle Valo ieee80211_hw_set(hw, WANT_MONITOR_VIF); 269e705c121SKalle Valo ieee80211_hw_set(hw, SUPPORTS_PS); 270e705c121SKalle Valo ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS); 271e705c121SKalle Valo ieee80211_hw_set(hw, AMPDU_AGGREGATION); 272e705c121SKalle Valo ieee80211_hw_set(hw, TIMING_BEACON_ONLY); 273e705c121SKalle Valo ieee80211_hw_set(hw, CONNECTION_MONITOR); 274e705c121SKalle Valo ieee80211_hw_set(hw, CHANCTX_STA_CSA); 275e705c121SKalle Valo ieee80211_hw_set(hw, SUPPORT_FAST_XMIT); 276e705c121SKalle Valo ieee80211_hw_set(hw, SUPPORTS_CLONED_SKBS); 277909ddf0bSJohannes Berg ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU); 27830433d3bSJohannes Berg ieee80211_hw_set(hw, NEEDS_UNIQUE_STA_ADDR); 279d270e7b8SIlan Peer ieee80211_hw_set(hw, DEAUTH_NEED_MGD_TX_PREP); 280520229e4SShaul Triebitz ieee80211_hw_set(hw, SUPPORTS_VHT_EXT_NSS_BW); 281cfbc6c4cSSara Sharon ieee80211_hw_set(hw, BUFF_MMPDU_TXQ); 282cfbc6c4cSSara Sharon ieee80211_hw_set(hw, STA_MMPDU_TXQ); 283cfb21b11SJohannes Berg /* 284cfb21b11SJohannes Berg * On older devices, enabling TX A-MSDU occasionally leads to 285cfb21b11SJohannes Berg * something getting messed up, the command read from the FIFO 286cfb21b11SJohannes Berg * gets out of sync and isn't a TX command, so that we have an 287cfb21b11SJohannes Berg * assert EDC. 288cfb21b11SJohannes Berg * 289cfb21b11SJohannes Berg * It's not clear where the bug is, but since we didn't used to 290cfb21b11SJohannes Berg * support A-MSDU until moving the mac80211 iTXQs, just leave it 291cfb21b11SJohannes Berg * for older devices. We also don't see this issue on any newer 292cfb21b11SJohannes Berg * devices. 293cfb21b11SJohannes Berg */ 2947d34a7d7SLuca Coelho if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_9000) 295438af969SSara Sharon ieee80211_hw_set(hw, TX_AMSDU); 296438af969SSara Sharon ieee80211_hw_set(hw, TX_FRAG_LIST); 297ecaf71deSGregory Greenman 2984243edb4SEmmanuel Grumbach if (iwl_mvm_has_tlc_offload(mvm)) { 299ecaf71deSGregory Greenman ieee80211_hw_set(hw, TX_AMPDU_SETUP_IN_HW); 300ecaf71deSGregory Greenman ieee80211_hw_set(hw, HAS_RATE_CONTROL); 301ecaf71deSGregory Greenman } 302ecaf71deSGregory Greenman 303b915c101SSara Sharon if (iwl_mvm_has_new_rx_api(mvm)) 304b915c101SSara Sharon ieee80211_hw_set(hw, SUPPORTS_REORDERING_BUFFER); 305960f864bSJohannes Berg 306960f864bSJohannes Berg if (fw_has_capa(&mvm->fw->ucode_capa, 307960f864bSJohannes Berg IWL_UCODE_TLV_CAPA_STA_PM_NOTIF)) { 30865e25482SJohannes Berg ieee80211_hw_set(hw, AP_LINK_PS); 309960f864bSJohannes Berg } else if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) { 310960f864bSJohannes Berg /* 311960f864bSJohannes Berg * we absolutely need this for the new TX API since that comes 312960f864bSJohannes Berg * with many more queues than the current code can deal with 313960f864bSJohannes Berg * for station powersave 314960f864bSJohannes Berg */ 315960f864bSJohannes Berg return -EINVAL; 316960f864bSJohannes Berg } 317e705c121SKalle Valo 31880938abcSJohannes Berg if (mvm->trans->num_rx_queues > 1) 31980938abcSJohannes Berg ieee80211_hw_set(hw, USES_RSS); 32080938abcSJohannes Berg 3212d7cf549SJohannes Berg if (mvm->trans->max_skb_frags) 3222d7cf549SJohannes Berg hw->netdev_features = NETIF_F_HIGHDMA | NETIF_F_SG; 3232d7cf549SJohannes Berg 324366fc672SJohannes Berg hw->queues = IEEE80211_NUM_ACS; 325e705c121SKalle Valo hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE; 326e705c121SKalle Valo hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FEC | 327e705c121SKalle Valo IEEE80211_RADIOTAP_MCS_HAVE_STBC; 328e705c121SKalle Valo hw->radiotap_vht_details |= IEEE80211_RADIOTAP_VHT_KNOWN_STBC | 329e705c121SKalle Valo IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED; 330371a17edSJohannes Berg 331371a17edSJohannes Berg hw->radiotap_timestamp.units_pos = 332371a17edSJohannes Berg IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US | 333371a17edSJohannes Berg IEEE80211_RADIOTAP_TIMESTAMP_SPOS_PLCP_SIG_ACQ; 334371a17edSJohannes Berg /* this is the case for CCK frames, it's better (only 8) for OFDM */ 335371a17edSJohannes Berg hw->radiotap_timestamp.accuracy = 22; 336371a17edSJohannes Berg 3374243edb4SEmmanuel Grumbach if (!iwl_mvm_has_tlc_offload(mvm)) 3389f66a397SGregory Greenman hw->rate_control_algorithm = RS_NAME; 3399f66a397SGregory Greenman 340e705c121SKalle Valo hw->uapsd_queues = IWL_MVM_UAPSD_QUEUES; 341e705c121SKalle Valo hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP; 342438af969SSara Sharon hw->max_tx_fragments = mvm->trans->max_skb_frags; 343e705c121SKalle Valo 3448e160ab8SAyala Beker BUILD_BUG_ON(ARRAY_SIZE(mvm->ciphers) < ARRAY_SIZE(mvm_ciphers) + 6); 345e705c121SKalle Valo memcpy(mvm->ciphers, mvm_ciphers, sizeof(mvm_ciphers)); 346e705c121SKalle Valo hw->wiphy->n_cipher_suites = ARRAY_SIZE(mvm_ciphers); 347e705c121SKalle Valo hw->wiphy->cipher_suites = mvm->ciphers; 348e705c121SKalle Valo 3492a53d166SAyala Beker if (iwl_mvm_has_new_rx_api(mvm)) { 3502a53d166SAyala Beker mvm->ciphers[hw->wiphy->n_cipher_suites] = 3512a53d166SAyala Beker WLAN_CIPHER_SUITE_GCMP; 3522a53d166SAyala Beker hw->wiphy->n_cipher_suites++; 3532a53d166SAyala Beker mvm->ciphers[hw->wiphy->n_cipher_suites] = 3542a53d166SAyala Beker WLAN_CIPHER_SUITE_GCMP_256; 3552a53d166SAyala Beker hw->wiphy->n_cipher_suites++; 3562a53d166SAyala Beker } 3572a53d166SAyala Beker 358f4bfdc5eSEmmanuel Grumbach if (iwlwifi_mod_params.swcrypto) 359f4bfdc5eSEmmanuel Grumbach IWL_ERR(mvm, 360f4bfdc5eSEmmanuel Grumbach "iwlmvm doesn't allow to disable HW crypto, check swcrypto module parameter\n"); 361f4bfdc5eSEmmanuel Grumbach if (!iwlwifi_mod_params.bt_coex_active) 362f4bfdc5eSEmmanuel Grumbach IWL_ERR(mvm, 363f4bfdc5eSEmmanuel Grumbach "iwlmvm doesn't allow to disable BT Coex, check bt_coex_active module parameter\n"); 364f4bfdc5eSEmmanuel Grumbach 365e705c121SKalle Valo ieee80211_hw_set(hw, MFP_CAPABLE); 366f4bfdc5eSEmmanuel Grumbach mvm->ciphers[hw->wiphy->n_cipher_suites] = WLAN_CIPHER_SUITE_AES_CMAC; 367e705c121SKalle Valo hw->wiphy->n_cipher_suites++; 3688e160ab8SAyala Beker if (iwl_mvm_has_new_rx_api(mvm)) { 3698e160ab8SAyala Beker mvm->ciphers[hw->wiphy->n_cipher_suites] = 3708e160ab8SAyala Beker WLAN_CIPHER_SUITE_BIP_GMAC_128; 3718e160ab8SAyala Beker hw->wiphy->n_cipher_suites++; 3728e160ab8SAyala Beker mvm->ciphers[hw->wiphy->n_cipher_suites] = 3738e160ab8SAyala Beker WLAN_CIPHER_SUITE_BIP_GMAC_256; 3748e160ab8SAyala Beker hw->wiphy->n_cipher_suites++; 3758e160ab8SAyala Beker } 376e705c121SKalle Valo 377ef2e7a51SIlan Peer wiphy_ext_feature_set(hw->wiphy, 378ef2e7a51SIlan Peer NL80211_EXT_FEATURE_BEACON_RATE_LEGACY); 379ef2e7a51SIlan Peer 380b73f9a4aSJohannes Berg if (fw_has_capa(&mvm->fw->ucode_capa, 381fc36ffdaSJohannes Berg IWL_UCODE_TLV_CAPA_FTM_CALIBRATED)) { 382b73f9a4aSJohannes Berg wiphy_ext_feature_set(hw->wiphy, 383b73f9a4aSJohannes Berg NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER); 384fc36ffdaSJohannes Berg hw->wiphy->pmsr_capa = &iwl_mvm_pmsr_capa; 385fc36ffdaSJohannes Berg } 386b73f9a4aSJohannes Berg 387b1fdc250SJohannes Berg if (fw_has_capa(&mvm->fw->ucode_capa, 388b1fdc250SJohannes Berg IWL_UCODE_TLV_CAPA_BIGTK_SUPPORT)) 389b1fdc250SJohannes Berg wiphy_ext_feature_set(hw->wiphy, 390b1fdc250SJohannes Berg NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT); 391b1fdc250SJohannes Berg 392e705c121SKalle Valo ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS); 393e705c121SKalle Valo hw->wiphy->features |= 394e705c121SKalle Valo NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR | 395e705c121SKalle Valo NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR | 396e705c121SKalle Valo NL80211_FEATURE_ND_RANDOM_MAC_ADDR; 397e705c121SKalle Valo 398e705c121SKalle Valo hw->sta_data_size = sizeof(struct iwl_mvm_sta); 399e705c121SKalle Valo hw->vif_data_size = sizeof(struct iwl_mvm_vif); 400e705c121SKalle Valo hw->chanctx_data_size = sizeof(u16); 401cfbc6c4cSSara Sharon hw->txq_data_size = sizeof(struct iwl_mvm_txq); 402e705c121SKalle Valo 403e705c121SKalle Valo hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 404e705c121SKalle Valo BIT(NL80211_IFTYPE_P2P_CLIENT) | 405e705c121SKalle Valo BIT(NL80211_IFTYPE_AP) | 406e705c121SKalle Valo BIT(NL80211_IFTYPE_P2P_GO) | 407e705c121SKalle Valo BIT(NL80211_IFTYPE_P2P_DEVICE) | 408e705c121SKalle Valo BIT(NL80211_IFTYPE_ADHOC); 409e705c121SKalle Valo 410e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; 411e47df5bdSJohannes Berg wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_VHT_IBSS); 41233e3fd99SAlexander Wetzel 41333e3fd99SAlexander Wetzel /* The new Tx API does not allow to pass the key or keyid of a MPDU to 41433e3fd99SAlexander Wetzel * the hw, preventing us to control which key(id) to use per MPDU. 41533e3fd99SAlexander Wetzel * Till that's fixed we can't use Extended Key ID for the newer cards. 41633e3fd99SAlexander Wetzel */ 41733e3fd99SAlexander Wetzel if (!iwl_mvm_has_new_tx_api(mvm)) 41833e3fd99SAlexander Wetzel wiphy_ext_feature_set(hw->wiphy, 41933e3fd99SAlexander Wetzel NL80211_EXT_FEATURE_EXT_KEY_ID); 420e47df5bdSJohannes Berg hw->wiphy->features |= NL80211_FEATURE_HT_IBSS; 421e47df5bdSJohannes Berg 422e705c121SKalle Valo hw->wiphy->regulatory_flags |= REGULATORY_ENABLE_RELAX_NO_IR; 423e705c121SKalle Valo if (iwl_mvm_is_lar_supported(mvm)) 424e705c121SKalle Valo hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED; 425e705c121SKalle Valo else 426e705c121SKalle Valo hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG | 427e705c121SKalle Valo REGULATORY_DISABLE_BEACON_HINTS; 428e705c121SKalle Valo 429e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD; 430e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; 431eae94cf8SLuca Coelho hw->wiphy->flags |= WIPHY_FLAG_SPLIT_SCAN_6GHZ; 432e705c121SKalle Valo 433e705c121SKalle Valo hw->wiphy->iface_combinations = iwl_mvm_iface_combinations; 434e705c121SKalle Valo hw->wiphy->n_iface_combinations = 435e705c121SKalle Valo ARRAY_SIZE(iwl_mvm_iface_combinations); 436e705c121SKalle Valo 437e705c121SKalle Valo hw->wiphy->max_remain_on_channel_duration = 10000; 438e705c121SKalle Valo hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL; 439e705c121SKalle Valo 440e705c121SKalle Valo /* Extract MAC address */ 441e705c121SKalle Valo memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN); 442e705c121SKalle Valo hw->wiphy->addresses = mvm->addresses; 443e705c121SKalle Valo hw->wiphy->n_addresses = 1; 444e705c121SKalle Valo 445e705c121SKalle Valo /* Extract additional MAC addresses if available */ 446e705c121SKalle Valo num_mac = (mvm->nvm_data->n_hw_addrs > 1) ? 447e705c121SKalle Valo min(IWL_MVM_MAX_ADDRESSES, mvm->nvm_data->n_hw_addrs) : 1; 448e705c121SKalle Valo 449e705c121SKalle Valo for (i = 1; i < num_mac; i++) { 450e705c121SKalle Valo memcpy(mvm->addresses[i].addr, mvm->addresses[i-1].addr, 451e705c121SKalle Valo ETH_ALEN); 452e705c121SKalle Valo mvm->addresses[i].addr[5]++; 453e705c121SKalle Valo hw->wiphy->n_addresses++; 454e705c121SKalle Valo } 455e705c121SKalle Valo 456e705c121SKalle Valo iwl_mvm_reset_phy_ctxts(mvm); 457e705c121SKalle Valo 458e705c121SKalle Valo hw->wiphy->max_scan_ie_len = iwl_mvm_max_scan_ie_len(mvm); 459e705c121SKalle Valo 460e705c121SKalle Valo hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX; 461e705c121SKalle Valo 462e705c121SKalle Valo BUILD_BUG_ON(IWL_MVM_SCAN_STOPPING_MASK & IWL_MVM_SCAN_MASK); 463e705c121SKalle Valo BUILD_BUG_ON(IWL_MVM_MAX_UMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK) || 464e705c121SKalle Valo IWL_MVM_MAX_LMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK)); 465e705c121SKalle Valo 466e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 467e705c121SKalle Valo mvm->max_scans = IWL_MVM_MAX_UMAC_SCANS; 468e705c121SKalle Valo else 469e705c121SKalle Valo mvm->max_scans = IWL_MVM_MAX_LMAC_SCANS; 470e705c121SKalle Valo 47157fbcce3SJohannes Berg if (mvm->nvm_data->bands[NL80211_BAND_2GHZ].n_channels) 47257fbcce3SJohannes Berg hw->wiphy->bands[NL80211_BAND_2GHZ] = 47357fbcce3SJohannes Berg &mvm->nvm_data->bands[NL80211_BAND_2GHZ]; 47457fbcce3SJohannes Berg if (mvm->nvm_data->bands[NL80211_BAND_5GHZ].n_channels) { 47557fbcce3SJohannes Berg hw->wiphy->bands[NL80211_BAND_5GHZ] = 47657fbcce3SJohannes Berg &mvm->nvm_data->bands[NL80211_BAND_5GHZ]; 477e705c121SKalle Valo 478e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 479e705c121SKalle Valo IWL_UCODE_TLV_CAPA_BEAMFORMER) && 480e705c121SKalle Valo fw_has_api(&mvm->fw->ucode_capa, 481e705c121SKalle Valo IWL_UCODE_TLV_API_LQ_SS_PARAMS)) 48257fbcce3SJohannes Berg hw->wiphy->bands[NL80211_BAND_5GHZ]->vht_cap.cap |= 483e705c121SKalle Valo IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE; 484e705c121SKalle Valo } 485eae94cf8SLuca Coelho if (fw_has_capa(&mvm->fw->ucode_capa, 486eae94cf8SLuca Coelho IWL_UCODE_TLV_CAPA_PSC_CHAN_SUPPORT) && 487eae94cf8SLuca Coelho mvm->nvm_data->bands[NL80211_BAND_6GHZ].n_channels) 488eae94cf8SLuca Coelho hw->wiphy->bands[NL80211_BAND_6GHZ] = 489eae94cf8SLuca Coelho &mvm->nvm_data->bands[NL80211_BAND_6GHZ]; 490e705c121SKalle Valo 491e705c121SKalle Valo hw->wiphy->hw_version = mvm->trans->hw_id; 492e705c121SKalle Valo 493e705c121SKalle Valo if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM) 494e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; 495e705c121SKalle Valo else 496e705c121SKalle Valo hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; 497e705c121SKalle Valo 498ca986ad9SArend Van Spriel hw->wiphy->max_sched_scan_reqs = 1; 499e705c121SKalle Valo hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX; 5005d1234baSTova Mussai hw->wiphy->max_match_sets = iwl_umac_scan_get_max_profiles(mvm->fw); 501e705c121SKalle Valo /* we create the 802.11 header and zero length SSID IE. */ 502e705c121SKalle Valo hw->wiphy->max_sched_scan_ie_len = 503e705c121SKalle Valo SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2; 504e705c121SKalle Valo hw->wiphy->max_sched_scan_plans = IWL_MAX_SCHED_SCAN_PLANS; 505e705c121SKalle Valo hw->wiphy->max_sched_scan_plan_interval = U16_MAX; 506e705c121SKalle Valo 507e705c121SKalle Valo /* 508e705c121SKalle Valo * the firmware uses u8 for num of iterations, but 0xff is saved for 509e705c121SKalle Valo * infinite loop, so the maximum number of iterations is actually 254. 510e705c121SKalle Valo */ 511e705c121SKalle Valo hw->wiphy->max_sched_scan_plan_iterations = 254; 512e705c121SKalle Valo 513e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN | 514e705c121SKalle Valo NL80211_FEATURE_LOW_PRIORITY_SCAN | 515e705c121SKalle Valo NL80211_FEATURE_P2P_GO_OPPPS | 516a904a08bSPeer, Ilan NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE | 517e705c121SKalle Valo NL80211_FEATURE_DYNAMIC_SMPS | 518e705c121SKalle Valo NL80211_FEATURE_STATIC_SMPS | 519e705c121SKalle Valo NL80211_FEATURE_SUPPORTS_WMM_ADMISSION; 520e705c121SKalle Valo 521e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 522e705c121SKalle Valo IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT)) 523e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_TX_POWER_INSERTION; 524e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 525e705c121SKalle Valo IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT)) 526e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_QUIET; 527e705c121SKalle Valo 528e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 529e705c121SKalle Valo IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT)) 530e705c121SKalle Valo hw->wiphy->features |= 531e705c121SKalle Valo NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES; 532e705c121SKalle Valo 533e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 534e705c121SKalle Valo IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT)) 535e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_WFA_TPC_IE_IN_PROBES; 536e705c121SKalle Valo 537971cbe50SJohannes Berg if (iwl_fw_lookup_cmd_ver(mvm->fw, WOWLAN_KEK_KCK_MATERIAL, 5382a42aea7SNathan Errera IWL_FW_CMD_VER_UNKNOWN) == 3) 5392a42aea7SNathan Errera hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK; 5402a42aea7SNathan Errera 541aacf8f18SAvrahams Stern if (fw_has_api(&mvm->fw->ucode_capa, 542aacf8f18SAvrahams Stern IWL_UCODE_TLV_API_SCAN_TSF_REPORT)) { 543aacf8f18SAvrahams Stern wiphy_ext_feature_set(hw->wiphy, 544aacf8f18SAvrahams Stern NL80211_EXT_FEATURE_SCAN_START_TIME); 545aacf8f18SAvrahams Stern wiphy_ext_feature_set(hw->wiphy, 546aacf8f18SAvrahams Stern NL80211_EXT_FEATURE_BSS_PARENT_TSF); 547aacf8f18SAvrahams Stern } 548aacf8f18SAvrahams Stern 5498f691af9SZamir, Roee if (iwl_mvm_is_oce_supported(mvm)) { 550971cbe50SJohannes Berg u8 scan_ver = iwl_fw_lookup_cmd_ver(mvm->fw, SCAN_REQ_UMAC, 0); 551773a042fSAvraham Stern 5528f691af9SZamir, Roee wiphy_ext_feature_set(hw->wiphy, 5538f691af9SZamir, Roee NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP); 5548f691af9SZamir, Roee wiphy_ext_feature_set(hw->wiphy, 5558f691af9SZamir, Roee NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME); 5568f691af9SZamir, Roee wiphy_ext_feature_set(hw->wiphy, 5578f691af9SZamir, Roee NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE); 558773a042fSAvraham Stern 559773a042fSAvraham Stern /* Old firmware also supports probe deferral and suppression */ 560773a042fSAvraham Stern if (scan_ver < 15) 561773a042fSAvraham Stern wiphy_ext_feature_set(hw->wiphy, 562773a042fSAvraham Stern NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION); 5638f691af9SZamir, Roee } 5648f691af9SZamir, Roee 5657360f99eSEmmanuel Grumbach if (mvm->nvm_data->sku_cap_11ax_enable && 5667360f99eSEmmanuel Grumbach !iwlwifi_mod_params.disable_11ax) { 5677360f99eSEmmanuel Grumbach hw->wiphy->iftype_ext_capab = he_iftypes_ext_capa; 5687360f99eSEmmanuel Grumbach hw->wiphy->num_iftype_ext_capab = 5697360f99eSEmmanuel Grumbach ARRAY_SIZE(he_iftypes_ext_capa); 570918cbf39SSara Sharon 571918cbf39SSara Sharon ieee80211_hw_set(hw, SUPPORTS_MULTI_BSSID); 572918cbf39SSara Sharon ieee80211_hw_set(hw, SUPPORTS_ONLY_HE_MULTI_BSSID); 5737360f99eSEmmanuel Grumbach } 5747360f99eSEmmanuel Grumbach 575e705c121SKalle Valo mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD; 576e705c121SKalle Valo 577e705c121SKalle Valo #ifdef CONFIG_PM_SLEEP 5783f37c229SIdo Yariv if ((unified || mvm->fw->img[IWL_UCODE_WOWLAN].num_sec) && 579e705c121SKalle Valo mvm->trans->ops->d3_suspend && 580e705c121SKalle Valo mvm->trans->ops->d3_resume && 581e705c121SKalle Valo device_can_wakeup(mvm->trans->dev)) { 582e705c121SKalle Valo mvm->wowlan.flags |= WIPHY_WOWLAN_MAGIC_PKT | 583e705c121SKalle Valo WIPHY_WOWLAN_DISCONNECT | 584e705c121SKalle Valo WIPHY_WOWLAN_EAP_IDENTITY_REQ | 585e705c121SKalle Valo WIPHY_WOWLAN_RFKILL_RELEASE | 586e705c121SKalle Valo WIPHY_WOWLAN_NET_DETECT; 587e705c121SKalle Valo mvm->wowlan.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | 588e705c121SKalle Valo WIPHY_WOWLAN_GTK_REKEY_FAILURE | 589e705c121SKalle Valo WIPHY_WOWLAN_4WAY_HANDSHAKE; 590e705c121SKalle Valo 591e705c121SKalle Valo mvm->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS; 592e705c121SKalle Valo mvm->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN; 593e705c121SKalle Valo mvm->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN; 5945d1234baSTova Mussai mvm->wowlan.max_nd_match_sets = 5955d1234baSTova Mussai iwl_umac_scan_get_max_profiles(mvm->fw); 596e705c121SKalle Valo hw->wiphy->wowlan = &mvm->wowlan; 597e705c121SKalle Valo } 598e705c121SKalle Valo #endif 599e705c121SKalle Valo 600e705c121SKalle Valo ret = iwl_mvm_leds_init(mvm); 601e705c121SKalle Valo if (ret) 602e705c121SKalle Valo return ret; 603e705c121SKalle Valo 604e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 605e705c121SKalle Valo IWL_UCODE_TLV_CAPA_TDLS_SUPPORT)) { 606e705c121SKalle Valo IWL_DEBUG_TDLS(mvm, "TDLS supported\n"); 607e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS; 608e705c121SKalle Valo ieee80211_hw_set(hw, TDLS_WIDER_BW); 609e705c121SKalle Valo } 610e705c121SKalle Valo 611e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 612e705c121SKalle Valo IWL_UCODE_TLV_CAPA_TDLS_CHANNEL_SWITCH)) { 613e705c121SKalle Valo IWL_DEBUG_TDLS(mvm, "TDLS channel switch supported\n"); 614e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH; 615e705c121SKalle Valo } 616e705c121SKalle Valo 617e705c121SKalle Valo hw->netdev_features |= mvm->cfg->features; 61859fa61f3SEmmanuel Grumbach if (!iwl_mvm_is_csum_supported(mvm)) 6196772aab7SJohannes Berg hw->netdev_features &= ~IWL_CSUM_NETIF_FLAGS_MASK; 62041837ca9SEmmanuel Grumbach 62191b08c2dSAviya Erenfeld if (mvm->cfg->vht_mu_mimo_supported) 62291b08c2dSAviya Erenfeld wiphy_ext_feature_set(hw->wiphy, 62391b08c2dSAviya Erenfeld NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER); 62491b08c2dSAviya Erenfeld 6259c11d8a9SShaul Triebitz if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_PROTECTED_TWT)) 6269c11d8a9SShaul Triebitz wiphy_ext_feature_set(hw->wiphy, 6279c11d8a9SShaul Triebitz NL80211_EXT_FEATURE_PROTECTED_TWT); 6289c11d8a9SShaul Triebitz 629bfcfdb59SEmmanuel Grumbach iwl_mvm_vendor_cmds_register(mvm); 630bfcfdb59SEmmanuel Grumbach 631e8503aecSBen Greear hw->wiphy->available_antennas_tx = iwl_mvm_get_valid_tx_ant(mvm); 632e8503aecSBen Greear hw->wiphy->available_antennas_rx = iwl_mvm_get_valid_rx_ant(mvm); 633e8503aecSBen Greear 634de645e89SJohannes Berg ret = ieee80211_register_hw(mvm->hw); 635de645e89SJohannes Berg if (ret) { 636de645e89SJohannes Berg iwl_mvm_leds_exit(mvm); 637e705c121SKalle Valo } 638e705c121SKalle Valo 639e705c121SKalle Valo return ret; 640e705c121SKalle Valo } 641e705c121SKalle Valo 642df2378abSJohannes Berg static void iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb, 643df2378abSJohannes Berg struct ieee80211_sta *sta) 644df2378abSJohannes Berg { 645df2378abSJohannes Berg if (likely(sta)) { 646df2378abSJohannes Berg if (likely(iwl_mvm_tx_skb_sta(mvm, skb, sta) == 0)) 647df2378abSJohannes Berg return; 648df2378abSJohannes Berg } else { 649df2378abSJohannes Berg if (likely(iwl_mvm_tx_skb_non_sta(mvm, skb) == 0)) 650df2378abSJohannes Berg return; 651df2378abSJohannes Berg } 652df2378abSJohannes Berg 653df2378abSJohannes Berg ieee80211_free_txskb(mvm->hw, skb); 654df2378abSJohannes Berg } 655df2378abSJohannes Berg 656e705c121SKalle Valo static void iwl_mvm_mac_tx(struct ieee80211_hw *hw, 657e705c121SKalle Valo struct ieee80211_tx_control *control, 658e705c121SKalle Valo struct sk_buff *skb) 659e705c121SKalle Valo { 660e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 661e705c121SKalle Valo struct ieee80211_sta *sta = control->sta; 662e705c121SKalle Valo struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 663e705c121SKalle Valo struct ieee80211_hdr *hdr = (void *)skb->data; 664cfbc6c4cSSara Sharon bool offchannel = IEEE80211_SKB_CB(skb)->flags & 665cfbc6c4cSSara Sharon IEEE80211_TX_CTL_TX_OFFCHAN; 666e705c121SKalle Valo 667e705c121SKalle Valo if (iwl_mvm_is_radio_killed(mvm)) { 668e705c121SKalle Valo IWL_DEBUG_DROP(mvm, "Dropping - RF/CT KILL\n"); 669e705c121SKalle Valo goto drop; 670e705c121SKalle Valo } 671e705c121SKalle Valo 672cfbc6c4cSSara Sharon if (offchannel && 673e705c121SKalle Valo !test_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status) && 674e705c121SKalle Valo !test_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status)) 675e705c121SKalle Valo goto drop; 676e705c121SKalle Valo 67710516783SJohannes Berg /* 67810516783SJohannes Berg * bufferable MMPDUs or MMPDUs on STA interfaces come via TXQs 67910516783SJohannes Berg * so we treat the others as broadcast 68010516783SJohannes Berg */ 68110516783SJohannes Berg if (ieee80211_is_mgmt(hdr->frame_control)) 682e705c121SKalle Valo sta = NULL; 683e705c121SKalle Valo 684dc1aca22SAndrei Otcheretianski /* If there is no sta, and it's not offchannel - send through AP */ 685cfbc6c4cSSara Sharon if (!sta && info->control.vif->type == NL80211_IFTYPE_STATION && 686cfbc6c4cSSara Sharon !offchannel) { 687dc1aca22SAndrei Otcheretianski struct iwl_mvm_vif *mvmvif = 688dc1aca22SAndrei Otcheretianski iwl_mvm_vif_from_mac80211(info->control.vif); 689dc1aca22SAndrei Otcheretianski u8 ap_sta_id = READ_ONCE(mvmvif->ap_sta_id); 690dc1aca22SAndrei Otcheretianski 691be9ae34eSNathan Errera if (ap_sta_id < mvm->fw->ucode_capa.num_stations) { 692dc1aca22SAndrei Otcheretianski /* mac80211 holds rcu read lock */ 693dc1aca22SAndrei Otcheretianski sta = rcu_dereference(mvm->fw_id_to_mac_id[ap_sta_id]); 694dc1aca22SAndrei Otcheretianski if (IS_ERR_OR_NULL(sta)) 695dc1aca22SAndrei Otcheretianski goto drop; 696dc1aca22SAndrei Otcheretianski } 697dc1aca22SAndrei Otcheretianski } 698dc1aca22SAndrei Otcheretianski 699df2378abSJohannes Berg iwl_mvm_tx_skb(mvm, skb, sta); 700e705c121SKalle Valo return; 701e705c121SKalle Valo drop: 702e705c121SKalle Valo ieee80211_free_txskb(hw, skb); 703e705c121SKalle Valo } 704e705c121SKalle Valo 705cfbc6c4cSSara Sharon void iwl_mvm_mac_itxq_xmit(struct ieee80211_hw *hw, struct ieee80211_txq *txq) 706e705c121SKalle Valo { 707cfbc6c4cSSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 708cfbc6c4cSSara Sharon struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq); 709cfbc6c4cSSara Sharon struct sk_buff *skb = NULL; 710cfbc6c4cSSara Sharon 711fba8248eSSara Sharon /* 712fba8248eSSara Sharon * No need for threads to be pending here, they can leave the first 713fba8248eSSara Sharon * taker all the work. 714fba8248eSSara Sharon * 715fba8248eSSara Sharon * mvmtxq->tx_request logic: 716fba8248eSSara Sharon * 717fba8248eSSara Sharon * If 0, no one is currently TXing, set to 1 to indicate current thread 718fba8248eSSara Sharon * will now start TX and other threads should quit. 719fba8248eSSara Sharon * 720fba8248eSSara Sharon * If 1, another thread is currently TXing, set to 2 to indicate to 721fba8248eSSara Sharon * that thread that there was another request. Since that request may 722fba8248eSSara Sharon * have raced with the check whether the queue is empty, the TXing 723fba8248eSSara Sharon * thread should check the queue's status one more time before leaving. 724fba8248eSSara Sharon * This check is done in order to not leave any TX hanging in the queue 725fba8248eSSara Sharon * until the next TX invocation (which may not even happen). 726fba8248eSSara Sharon * 727fba8248eSSara Sharon * If 2, another thread is currently TXing, and it will already double 728fba8248eSSara Sharon * check the queue, so do nothing. 729fba8248eSSara Sharon */ 730fba8248eSSara Sharon if (atomic_fetch_add_unless(&mvmtxq->tx_request, 1, 2)) 731fba8248eSSara Sharon return; 732cfbc6c4cSSara Sharon 733cfbc6c4cSSara Sharon rcu_read_lock(); 734fba8248eSSara Sharon do { 735cfbc6c4cSSara Sharon while (likely(!mvmtxq->stopped && 73600520b7aSEmmanuel Grumbach !test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status))) { 737cfbc6c4cSSara Sharon skb = ieee80211_tx_dequeue(hw, txq); 738cfbc6c4cSSara Sharon 739f50d693bSSara Sharon if (!skb) { 740f50d693bSSara Sharon if (txq->sta) 741f50d693bSSara Sharon IWL_DEBUG_TX(mvm, 742f50d693bSSara Sharon "TXQ of sta %pM tid %d is now empty\n", 743f50d693bSSara Sharon txq->sta->addr, 744f50d693bSSara Sharon txq->tid); 745cfbc6c4cSSara Sharon break; 746f50d693bSSara Sharon } 747cfbc6c4cSSara Sharon 748cfbc6c4cSSara Sharon iwl_mvm_tx_skb(mvm, skb, txq->sta); 749cfbc6c4cSSara Sharon } 750fba8248eSSara Sharon } while (atomic_dec_return(&mvmtxq->tx_request)); 751cfbc6c4cSSara Sharon rcu_read_unlock(); 752e705c121SKalle Valo } 753e705c121SKalle Valo 754cfbc6c4cSSara Sharon static void iwl_mvm_mac_wake_tx_queue(struct ieee80211_hw *hw, 755cfbc6c4cSSara Sharon struct ieee80211_txq *txq) 756e705c121SKalle Valo { 757cfbc6c4cSSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 758cfbc6c4cSSara Sharon struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq); 759e705c121SKalle Valo 760cfbc6c4cSSara Sharon /* 761cfbc6c4cSSara Sharon * Please note that racing is handled very carefully here: 762cfbc6c4cSSara Sharon * mvmtxq->txq_id is updated during allocation, and mvmtxq->list is 763cfbc6c4cSSara Sharon * deleted afterwards. 764cfbc6c4cSSara Sharon * This means that if: 765cfbc6c4cSSara Sharon * mvmtxq->txq_id != INVALID_QUEUE && list_empty(&mvmtxq->list): 766cfbc6c4cSSara Sharon * queue is allocated and we can TX. 767cfbc6c4cSSara Sharon * mvmtxq->txq_id != INVALID_QUEUE && !list_empty(&mvmtxq->list): 768cfbc6c4cSSara Sharon * a race, should defer the frame. 769cfbc6c4cSSara Sharon * mvmtxq->txq_id == INVALID_QUEUE && list_empty(&mvmtxq->list): 770cfbc6c4cSSara Sharon * need to allocate the queue and defer the frame. 771cfbc6c4cSSara Sharon * mvmtxq->txq_id == INVALID_QUEUE && !list_empty(&mvmtxq->list): 772cfbc6c4cSSara Sharon * queue is already scheduled for allocation, no need to allocate, 773cfbc6c4cSSara Sharon * should defer the frame. 774cfbc6c4cSSara Sharon */ 775cfbc6c4cSSara Sharon 776cfbc6c4cSSara Sharon /* If the queue is allocated TX and return. */ 777cfbc6c4cSSara Sharon if (!txq->sta || mvmtxq->txq_id != IWL_MVM_INVALID_QUEUE) { 778cfbc6c4cSSara Sharon /* 779cfbc6c4cSSara Sharon * Check that list is empty to avoid a race where txq_id is 780cfbc6c4cSSara Sharon * already updated, but the queue allocation work wasn't 781cfbc6c4cSSara Sharon * finished 782cfbc6c4cSSara Sharon */ 783cfbc6c4cSSara Sharon if (unlikely(txq->sta && !list_empty(&mvmtxq->list))) 784cfbc6c4cSSara Sharon return; 785cfbc6c4cSSara Sharon 786cfbc6c4cSSara Sharon iwl_mvm_mac_itxq_xmit(hw, txq); 787cfbc6c4cSSara Sharon return; 788cfbc6c4cSSara Sharon } 789cfbc6c4cSSara Sharon 790cfbc6c4cSSara Sharon /* The list is being deleted only after the queue is fully allocated. */ 791cfbc6c4cSSara Sharon if (!list_empty(&mvmtxq->list)) 792cfbc6c4cSSara Sharon return; 793cfbc6c4cSSara Sharon 794cfbc6c4cSSara Sharon list_add_tail(&mvmtxq->list, &mvm->add_stream_txqs); 795cfbc6c4cSSara Sharon schedule_work(&mvm->add_stream_wk); 796e705c121SKalle Valo } 797e705c121SKalle Valo 798e705c121SKalle Valo #define CHECK_BA_TRIGGER(_mvm, _trig, _tid_bm, _tid, _fmt...) \ 799e705c121SKalle Valo do { \ 800e705c121SKalle Valo if (!(le16_to_cpu(_tid_bm) & BIT(_tid))) \ 801e705c121SKalle Valo break; \ 8027174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&(_mvm)->fwrt, _trig, _fmt); \ 803e705c121SKalle Valo } while (0) 804e705c121SKalle Valo 805e705c121SKalle Valo static void 806e705c121SKalle Valo iwl_mvm_ampdu_check_trigger(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 807e705c121SKalle Valo struct ieee80211_sta *sta, u16 tid, u16 rx_ba_ssn, 808e705c121SKalle Valo enum ieee80211_ampdu_mlme_action action) 809e705c121SKalle Valo { 810e705c121SKalle Valo struct iwl_fw_dbg_trigger_tlv *trig; 811e705c121SKalle Valo struct iwl_fw_dbg_trigger_ba *ba_trig; 812e705c121SKalle Valo 8136c042d75SSara Sharon trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 8146c042d75SSara Sharon FW_DBG_TRIGGER_BA); 8156c042d75SSara Sharon if (!trig) 816e705c121SKalle Valo return; 817e705c121SKalle Valo 818e705c121SKalle Valo ba_trig = (void *)trig->data; 819e705c121SKalle Valo 820e705c121SKalle Valo switch (action) { 821e705c121SKalle Valo case IEEE80211_AMPDU_TX_OPERATIONAL: { 822e705c121SKalle Valo struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 823e705c121SKalle Valo struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 824e705c121SKalle Valo 825e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_start, tid, 826e705c121SKalle Valo "TX AGG START: MAC %pM tid %d ssn %d\n", 827e705c121SKalle Valo sta->addr, tid, tid_data->ssn); 828e705c121SKalle Valo break; 829e705c121SKalle Valo } 830e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_CONT: 831e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_stop, tid, 832e705c121SKalle Valo "TX AGG STOP: MAC %pM tid %d\n", 833e705c121SKalle Valo sta->addr, tid); 834e705c121SKalle Valo break; 835e705c121SKalle Valo case IEEE80211_AMPDU_RX_START: 836e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_start, tid, 837e705c121SKalle Valo "RX AGG START: MAC %pM tid %d ssn %d\n", 838e705c121SKalle Valo sta->addr, tid, rx_ba_ssn); 839e705c121SKalle Valo break; 840e705c121SKalle Valo case IEEE80211_AMPDU_RX_STOP: 841e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_stop, tid, 842e705c121SKalle Valo "RX AGG STOP: MAC %pM tid %d\n", 843e705c121SKalle Valo sta->addr, tid); 844e705c121SKalle Valo break; 845e705c121SKalle Valo default: 846e705c121SKalle Valo break; 847e705c121SKalle Valo } 848e705c121SKalle Valo } 849e705c121SKalle Valo 850e705c121SKalle Valo static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw, 851e705c121SKalle Valo struct ieee80211_vif *vif, 85250ea05efSSara Sharon struct ieee80211_ampdu_params *params) 853e705c121SKalle Valo { 854e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 855e705c121SKalle Valo int ret; 85650ea05efSSara Sharon struct ieee80211_sta *sta = params->sta; 85750ea05efSSara Sharon enum ieee80211_ampdu_mlme_action action = params->action; 85850ea05efSSara Sharon u16 tid = params->tid; 85950ea05efSSara Sharon u16 *ssn = ¶ms->ssn; 860514c3069SLuca Coelho u16 buf_size = params->buf_size; 861bb81bb68SEmmanuel Grumbach bool amsdu = params->amsdu; 86210b2b201SSara Sharon u16 timeout = params->timeout; 863e705c121SKalle Valo 864e705c121SKalle Valo IWL_DEBUG_HT(mvm, "A-MPDU action on addr %pM tid %d: action %d\n", 865e705c121SKalle Valo sta->addr, tid, action); 866e705c121SKalle Valo 867e705c121SKalle Valo if (!(mvm->nvm_data->sku_cap_11n_enable)) 868e705c121SKalle Valo return -EACCES; 869e705c121SKalle Valo 870e705c121SKalle Valo mutex_lock(&mvm->mutex); 871e705c121SKalle Valo 872e705c121SKalle Valo switch (action) { 873e705c121SKalle Valo case IEEE80211_AMPDU_RX_START: 874b0ffe455SJohannes Berg if (iwl_mvm_vif_from_mac80211(vif)->ap_sta_id == 875b0ffe455SJohannes Berg iwl_mvm_sta_from_mac80211(sta)->sta_id) { 876b0ffe455SJohannes Berg struct iwl_mvm_vif *mvmvif; 877b0ffe455SJohannes Berg u16 macid = iwl_mvm_vif_from_mac80211(vif)->id; 878b0ffe455SJohannes Berg struct iwl_mvm_tcm_mac *mdata = &mvm->tcm.data[macid]; 879b0ffe455SJohannes Berg 880b0ffe455SJohannes Berg mdata->opened_rx_ba_sessions = true; 881b0ffe455SJohannes Berg mvmvif = iwl_mvm_vif_from_mac80211(vif); 882b0ffe455SJohannes Berg cancel_delayed_work(&mvmvif->uapsd_nonagg_detected_wk); 883b0ffe455SJohannes Berg } 884e78da25eSJohannes Berg if (!iwl_enable_rx_ampdu()) { 885e705c121SKalle Valo ret = -EINVAL; 886e705c121SKalle Valo break; 887e705c121SKalle Valo } 88810b2b201SSara Sharon ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true, buf_size, 88910b2b201SSara Sharon timeout); 890e705c121SKalle Valo break; 891e705c121SKalle Valo case IEEE80211_AMPDU_RX_STOP: 89210b2b201SSara Sharon ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false, buf_size, 89310b2b201SSara Sharon timeout); 894e705c121SKalle Valo break; 895e705c121SKalle Valo case IEEE80211_AMPDU_TX_START: 896e78da25eSJohannes Berg if (!iwl_enable_tx_ampdu()) { 897e705c121SKalle Valo ret = -EINVAL; 898e705c121SKalle Valo break; 899e705c121SKalle Valo } 900e705c121SKalle Valo ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn); 901e705c121SKalle Valo break; 902e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_CONT: 903e705c121SKalle Valo ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid); 904e705c121SKalle Valo break; 905e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_FLUSH: 906e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 907e705c121SKalle Valo ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid); 908e705c121SKalle Valo break; 909e705c121SKalle Valo case IEEE80211_AMPDU_TX_OPERATIONAL: 910bb81bb68SEmmanuel Grumbach ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid, 911bb81bb68SEmmanuel Grumbach buf_size, amsdu); 912e705c121SKalle Valo break; 913e705c121SKalle Valo default: 914e705c121SKalle Valo WARN_ON_ONCE(1); 915e705c121SKalle Valo ret = -EINVAL; 916e705c121SKalle Valo break; 917e705c121SKalle Valo } 918e705c121SKalle Valo 919e705c121SKalle Valo if (!ret) { 920e705c121SKalle Valo u16 rx_ba_ssn = 0; 921e705c121SKalle Valo 922e705c121SKalle Valo if (action == IEEE80211_AMPDU_RX_START) 923e705c121SKalle Valo rx_ba_ssn = *ssn; 924e705c121SKalle Valo 925e705c121SKalle Valo iwl_mvm_ampdu_check_trigger(mvm, vif, sta, tid, 926e705c121SKalle Valo rx_ba_ssn, action); 927e705c121SKalle Valo } 928e705c121SKalle Valo mutex_unlock(&mvm->mutex); 929e705c121SKalle Valo 930e705c121SKalle Valo return ret; 931e705c121SKalle Valo } 932e705c121SKalle Valo 933e705c121SKalle Valo static void iwl_mvm_cleanup_iterator(void *data, u8 *mac, 934e705c121SKalle Valo struct ieee80211_vif *vif) 935e705c121SKalle Valo { 936e705c121SKalle Valo struct iwl_mvm *mvm = data; 937e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 938e705c121SKalle Valo 939e705c121SKalle Valo mvmvif->uploaded = false; 9400ae98812SSara Sharon mvmvif->ap_sta_id = IWL_MVM_INVALID_STA; 941e705c121SKalle Valo 942e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 943e705c121SKalle Valo iwl_mvm_te_clear_data(mvm, &mvmvif->time_event_data); 944e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 945e705c121SKalle Valo 946e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 947e705c121SKalle Valo memset(&mvmvif->bf_data, 0, sizeof(mvmvif->bf_data)); 94886e177d8SGregory Greenman memset(&mvmvif->probe_resp_data, 0, sizeof(mvmvif->probe_resp_data)); 949e705c121SKalle Valo } 950e705c121SKalle Valo 951e705c121SKalle Valo static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm) 952e705c121SKalle Valo { 953fcb6b92aSChaya Rachel Ivgi iwl_mvm_stop_device(mvm); 954e705c121SKalle Valo 9559bf13beeSJohannes Berg mvm->cur_aid = 0; 9569bf13beeSJohannes Berg 957e705c121SKalle Valo mvm->scan_status = 0; 958e705c121SKalle Valo mvm->ps_disabled = false; 959b3500b47SEmmanuel Grumbach mvm->rfkill_safe_init_done = false; 960e705c121SKalle Valo 961e705c121SKalle Valo /* just in case one was running */ 962305d236eSEliad Peller iwl_mvm_cleanup_roc_te(mvm); 963e705c121SKalle Valo ieee80211_remain_on_channel_expired(mvm->hw); 964e705c121SKalle Valo 965fc36ffdaSJohannes Berg iwl_mvm_ftm_restart(mvm); 966fc36ffdaSJohannes Berg 967e705c121SKalle Valo /* 968e705c121SKalle Valo * cleanup all interfaces, even inactive ones, as some might have 969e705c121SKalle Valo * gone down during the HW restart 970e705c121SKalle Valo */ 971e705c121SKalle Valo ieee80211_iterate_interfaces(mvm->hw, 0, iwl_mvm_cleanup_iterator, mvm); 972e705c121SKalle Valo 973e705c121SKalle Valo mvm->p2p_device_vif = NULL; 974e705c121SKalle Valo 975e705c121SKalle Valo iwl_mvm_reset_phy_ctxts(mvm); 9769c3deeb5SLuca Coelho memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table)); 977e705c121SKalle Valo memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif)); 978e705c121SKalle Valo memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd)); 979e705c121SKalle Valo 980e705c121SKalle Valo ieee80211_wake_queues(mvm->hw); 981e705c121SKalle Valo 982e705c121SKalle Valo mvm->rx_ba_sessions = 0; 9837174beb6SJohannes Berg mvm->fwrt.dump.conf = FW_DBG_INVALID; 984baf41bc3SShaul Triebitz mvm->monitor_on = false; 985e705c121SKalle Valo 986e705c121SKalle Valo /* keep statistics ticking */ 987e705c121SKalle Valo iwl_mvm_accu_radio_stats(mvm); 988e705c121SKalle Valo } 989e705c121SKalle Valo 990e705c121SKalle Valo int __iwl_mvm_mac_start(struct iwl_mvm *mvm) 991e705c121SKalle Valo { 992e705c121SKalle Valo int ret; 993e705c121SKalle Valo 994e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 995e705c121SKalle Valo 9966d19a5ebSEmmanuel Grumbach ret = iwl_mvm_mei_get_ownership(mvm); 9976d19a5ebSEmmanuel Grumbach if (ret) 9986d19a5ebSEmmanuel Grumbach return ret; 9996d19a5ebSEmmanuel Grumbach 10006d19a5ebSEmmanuel Grumbach if (mvm->mei_nvm_data) { 10016d19a5ebSEmmanuel Grumbach /* We got the NIC, we can now free the MEI NVM data */ 10026d19a5ebSEmmanuel Grumbach kfree(mvm->mei_nvm_data); 10036d19a5ebSEmmanuel Grumbach mvm->mei_nvm_data = NULL; 10046d19a5ebSEmmanuel Grumbach 10056d19a5ebSEmmanuel Grumbach /* 10066d19a5ebSEmmanuel Grumbach * We can't free the nvm_data we allocated based on the SAP 10076d19a5ebSEmmanuel Grumbach * data because we registered to cfg80211 with the channels 10086d19a5ebSEmmanuel Grumbach * allocated on mvm->nvm_data. Keep a pointer in temp_nvm_data 10096d19a5ebSEmmanuel Grumbach * just in order to be able free it later. 10106d19a5ebSEmmanuel Grumbach * NULLify nvm_data so that we will read the NVM from the 10116d19a5ebSEmmanuel Grumbach * firmware this time. 10126d19a5ebSEmmanuel Grumbach */ 10136d19a5ebSEmmanuel Grumbach mvm->temp_nvm_data = mvm->nvm_data; 10146d19a5ebSEmmanuel Grumbach mvm->nvm_data = NULL; 10156d19a5ebSEmmanuel Grumbach } 10166d19a5ebSEmmanuel Grumbach 1017bf8b286fSJohannes Berg if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status)) { 1018bf8b286fSJohannes Berg /* 1019bf8b286fSJohannes Berg * Now convert the HW_RESTART_REQUESTED flag to IN_HW_RESTART 1020bf8b286fSJohannes Berg * so later code will - from now on - see that we're doing it. 1021bf8b286fSJohannes Berg */ 1022bf8b286fSJohannes Berg set_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1023bf8b286fSJohannes Berg clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status); 1024e705c121SKalle Valo /* Clean up some internal and mac80211 state on restart */ 1025e705c121SKalle Valo iwl_mvm_restart_cleanup(mvm); 1026a42b2af3SLuca Coelho } 1027e705c121SKalle Valo ret = iwl_mvm_up(mvm); 1028e705c121SKalle Valo 1029b108d8c7SShahar S Matityahu iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_POST_INIT, 1030b108d8c7SShahar S Matityahu NULL); 1031b108d8c7SShahar S Matityahu iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_PERIODIC, 1032b108d8c7SShahar S Matityahu NULL); 1033da2eb669SSara Sharon 1034e8fe3b41SIlan Peer mvm->last_reset_or_resume_time_jiffies = jiffies; 1035e8fe3b41SIlan Peer 1036e705c121SKalle Valo if (ret && test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 1037e705c121SKalle Valo /* Something went wrong - we need to finish some cleanup 1038e705c121SKalle Valo * that normally iwl_mvm_mac_restart_complete() below 1039e705c121SKalle Valo * would do. 1040e705c121SKalle Valo */ 1041e705c121SKalle Valo clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1042e705c121SKalle Valo } 1043e705c121SKalle Valo 1044e705c121SKalle Valo return ret; 1045e705c121SKalle Valo } 1046e705c121SKalle Valo 1047e705c121SKalle Valo static int iwl_mvm_mac_start(struct ieee80211_hw *hw) 1048e705c121SKalle Valo { 1049e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1050e705c121SKalle Valo int ret; 10515283dd67SMordechay Goodstein int retry, max_retry = 0; 1052e705c121SKalle Valo 1053e705c121SKalle Valo mutex_lock(&mvm->mutex); 10545283dd67SMordechay Goodstein 10555283dd67SMordechay Goodstein /* we are starting the mac not in error flow, and restart is enabled */ 10565283dd67SMordechay Goodstein if (!test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status) && 10575283dd67SMordechay Goodstein iwlwifi_mod_params.fw_restart) { 10585283dd67SMordechay Goodstein max_retry = IWL_MAX_INIT_RETRY; 10595283dd67SMordechay Goodstein /* 10605283dd67SMordechay Goodstein * This will prevent mac80211 recovery flows to trigger during 10615283dd67SMordechay Goodstein * init failures 10625283dd67SMordechay Goodstein */ 10635283dd67SMordechay Goodstein set_bit(IWL_MVM_STATUS_STARTING, &mvm->status); 10645283dd67SMordechay Goodstein } 10655283dd67SMordechay Goodstein 10665283dd67SMordechay Goodstein for (retry = 0; retry <= max_retry; retry++) { 1067e705c121SKalle Valo ret = __iwl_mvm_mac_start(mvm); 10685283dd67SMordechay Goodstein if (!ret) 10695283dd67SMordechay Goodstein break; 10705283dd67SMordechay Goodstein 1071b8133439SAvraham Stern /* 1072b8133439SAvraham Stern * In PLDR sync PCI re-enumeration is needed. no point to retry 1073b8133439SAvraham Stern * mac start before that. 1074b8133439SAvraham Stern */ 1075b8133439SAvraham Stern if (mvm->pldr_sync) { 1076b8133439SAvraham Stern iwl_mei_alive_notif(false); 1077b8133439SAvraham Stern iwl_trans_pcie_remove(mvm->trans, true); 1078b8133439SAvraham Stern break; 1079b8133439SAvraham Stern } 1080b8133439SAvraham Stern 10815283dd67SMordechay Goodstein IWL_ERR(mvm, "mac start retry %d\n", retry); 10825283dd67SMordechay Goodstein } 10835283dd67SMordechay Goodstein clear_bit(IWL_MVM_STATUS_STARTING, &mvm->status); 10845283dd67SMordechay Goodstein 1085e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1086e705c121SKalle Valo 10877ce1f215SEmmanuel Grumbach iwl_mvm_mei_set_sw_rfkill_state(mvm); 10887ce1f215SEmmanuel Grumbach 1089e705c121SKalle Valo return ret; 1090e705c121SKalle Valo } 1091e705c121SKalle Valo 1092e705c121SKalle Valo static void iwl_mvm_restart_complete(struct iwl_mvm *mvm) 1093e705c121SKalle Valo { 1094e705c121SKalle Valo int ret; 1095e705c121SKalle Valo 1096e705c121SKalle Valo mutex_lock(&mvm->mutex); 1097e705c121SKalle Valo 1098e705c121SKalle Valo clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 10994d4183c4SEmmanuel Grumbach 1100e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, true, NULL); 1101e705c121SKalle Valo if (ret) 1102e705c121SKalle Valo IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n", 1103e705c121SKalle Valo ret); 1104e705c121SKalle Valo 1105f130bb75SMordechay Goodstein iwl_mvm_send_recovery_cmd(mvm, ERROR_RECOVERY_END_OF_RECOVERY); 1106f130bb75SMordechay Goodstein 1107e705c121SKalle Valo /* 1108e705c121SKalle Valo * If we have TDLS peers, remove them. We don't know the last seqno/PN 1109e705c121SKalle Valo * of packets the FW sent out, so we must reconnect. 1110e705c121SKalle Valo */ 1111e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 1112e705c121SKalle Valo 1113e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1114e705c121SKalle Valo } 1115e705c121SKalle Valo 1116e705c121SKalle Valo static void 1117e705c121SKalle Valo iwl_mvm_mac_reconfig_complete(struct ieee80211_hw *hw, 1118e705c121SKalle Valo enum ieee80211_reconfig_type reconfig_type) 1119e705c121SKalle Valo { 1120e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1121e705c121SKalle Valo 1122e705c121SKalle Valo switch (reconfig_type) { 1123e705c121SKalle Valo case IEEE80211_RECONFIG_TYPE_RESTART: 1124e705c121SKalle Valo iwl_mvm_restart_complete(mvm); 1125e705c121SKalle Valo break; 1126e705c121SKalle Valo case IEEE80211_RECONFIG_TYPE_SUSPEND: 1127e705c121SKalle Valo break; 1128e705c121SKalle Valo } 1129e705c121SKalle Valo } 1130e705c121SKalle Valo 1131e705c121SKalle Valo void __iwl_mvm_mac_stop(struct iwl_mvm *mvm) 1132e705c121SKalle Valo { 1133e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1134e705c121SKalle Valo 1135b68bd2e3SIlan Peer iwl_mvm_ftm_initiator_smooth_stop(mvm); 1136b68bd2e3SIlan Peer 1137e705c121SKalle Valo /* firmware counters are obviously reset now, but we shouldn't 1138e705c121SKalle Valo * partially track so also clear the fw_reset_accu counters. 1139e705c121SKalle Valo */ 1140e705c121SKalle Valo memset(&mvm->accu_radio_stats, 0, sizeof(mvm->accu_radio_stats)); 1141e705c121SKalle Valo 1142e705c121SKalle Valo /* async_handlers_wk is now blocked */ 1143e705c121SKalle Valo 1144971cbe50SJohannes Berg if (iwl_fw_lookup_cmd_ver(mvm->fw, ADD_STA, 0) < 12) 1145f327236dSSharon iwl_mvm_rm_aux_sta(mvm); 1146f327236dSSharon 1147fcb6b92aSChaya Rachel Ivgi iwl_mvm_stop_device(mvm); 1148e705c121SKalle Valo 1149e705c121SKalle Valo iwl_mvm_async_handlers_purge(mvm); 1150e705c121SKalle Valo /* async_handlers_list is empty and will stay empty: HW is stopped */ 1151e705c121SKalle Valo 1152e705c121SKalle Valo /* 1153155f7e04SEmmanuel Grumbach * Clear IN_HW_RESTART and HW_RESTART_REQUESTED flag when stopping the 1154155f7e04SEmmanuel Grumbach * hw (as restart_complete() won't be called in this case) and mac80211 1155155f7e04SEmmanuel Grumbach * won't execute the restart. 1156e705c121SKalle Valo * But make sure to cleanup interfaces that have gone down before/during 1157e705c121SKalle Valo * HW restart was requested. 1158e705c121SKalle Valo */ 1159155f7e04SEmmanuel Grumbach if (test_and_clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) || 1160155f7e04SEmmanuel Grumbach test_and_clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 1161155f7e04SEmmanuel Grumbach &mvm->status)) 1162e705c121SKalle Valo ieee80211_iterate_interfaces(mvm->hw, 0, 1163e705c121SKalle Valo iwl_mvm_cleanup_iterator, mvm); 1164e705c121SKalle Valo 1165e705c121SKalle Valo /* We shouldn't have any UIDs still set. Loop over all the UIDs to 1166e705c121SKalle Valo * make sure there's nothing left there and warn if any is found. 1167e705c121SKalle Valo */ 1168e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { 1169e705c121SKalle Valo int i; 1170e705c121SKalle Valo 1171e705c121SKalle Valo for (i = 0; i < mvm->max_scans; i++) { 1172e705c121SKalle Valo if (WARN_ONCE(mvm->scan_uid_status[i], 1173e705c121SKalle Valo "UMAC scan UID %d status was not cleaned\n", 1174e705c121SKalle Valo i)) 1175e705c121SKalle Valo mvm->scan_uid_status[i] = 0; 1176e705c121SKalle Valo } 1177e705c121SKalle Valo } 1178e705c121SKalle Valo } 1179e705c121SKalle Valo 1180e705c121SKalle Valo static void iwl_mvm_mac_stop(struct ieee80211_hw *hw) 1181e705c121SKalle Valo { 1182e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1183e705c121SKalle Valo 1184e705c121SKalle Valo flush_work(&mvm->async_handlers_wk); 118524afba76SLiad Kaufman flush_work(&mvm->add_stream_wk); 1186771147b0SJohannes Berg 1187771147b0SJohannes Berg /* 1188771147b0SJohannes Berg * Lock and clear the firmware running bit here already, so that 1189771147b0SJohannes Berg * new commands coming in elsewhere, e.g. from debugfs, will not 1190771147b0SJohannes Berg * be able to proceed. This is important here because one of those 11917174beb6SJohannes Berg * debugfs files causes the firmware dump to be triggered, and if we 1192771147b0SJohannes Berg * don't stop debugfs accesses before canceling that it could be 1193771147b0SJohannes Berg * retriggered after we flush it but before we've cleared the bit. 1194771147b0SJohannes Berg */ 1195771147b0SJohannes Berg clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1196771147b0SJohannes Berg 1197d3a108a4SAndrei Otcheretianski cancel_delayed_work_sync(&mvm->cs_tx_unblock_dwork); 119869e04642SLuca Coelho cancel_delayed_work_sync(&mvm->scan_timeout_dwork); 1199e705c121SKalle Valo 1200f9084775SNathan Errera /* 1201f9084775SNathan Errera * The work item could be running or queued if the 1202f9084775SNathan Errera * ROC time event stops just as we get here. 1203f9084775SNathan Errera */ 1204f9084775SNathan Errera flush_work(&mvm->roc_done_wk); 1205f9084775SNathan Errera 12067ce1f215SEmmanuel Grumbach iwl_mvm_mei_set_sw_rfkill_state(mvm); 12077ce1f215SEmmanuel Grumbach 1208e705c121SKalle Valo mutex_lock(&mvm->mutex); 1209e705c121SKalle Valo __iwl_mvm_mac_stop(mvm); 1210e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1211e705c121SKalle Valo 1212e705c121SKalle Valo /* 1213e705c121SKalle Valo * The worker might have been waiting for the mutex, let it run and 1214e705c121SKalle Valo * discover that its list is now empty. 1215e705c121SKalle Valo */ 1216e705c121SKalle Valo cancel_work_sync(&mvm->async_handlers_wk); 1217e705c121SKalle Valo } 1218e705c121SKalle Valo 12191ab26632SMiri Korenblit struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm) 1220e705c121SKalle Valo { 1221e705c121SKalle Valo u16 i; 1222e705c121SKalle Valo 1223e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1224e705c121SKalle Valo 1225e705c121SKalle Valo for (i = 0; i < NUM_PHY_CTX; i++) 1226e705c121SKalle Valo if (!mvm->phy_ctxts[i].ref) 1227e705c121SKalle Valo return &mvm->phy_ctxts[i]; 1228e705c121SKalle Valo 1229e705c121SKalle Valo IWL_ERR(mvm, "No available PHY context\n"); 1230e705c121SKalle Valo return NULL; 1231e705c121SKalle Valo } 1232e705c121SKalle Valo 1233e705c121SKalle Valo static int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1234e705c121SKalle Valo s16 tx_power) 1235e705c121SKalle Valo { 1236971cbe50SJohannes Berg u32 cmd_id = REDUCE_TX_POWER_CMD; 12370791c2fcSHaim Dreyfuss int len; 1238216cdfb5SLuca Coelho struct iwl_dev_tx_power_cmd cmd = { 1239216cdfb5SLuca Coelho .common.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_MAC), 1240216cdfb5SLuca Coelho .common.mac_context_id = 1241e705c121SKalle Valo cpu_to_le32(iwl_mvm_vif_from_mac80211(vif)->id), 1242216cdfb5SLuca Coelho .common.pwr_restriction = cpu_to_le16(8 * tx_power), 1243e705c121SKalle Valo }; 1244971cbe50SJohannes Berg u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, 1245e80bfd11SMordechay Goodstein IWL_FW_CMD_VER_UNKNOWN); 1246e705c121SKalle Valo 1247e705c121SKalle Valo if (tx_power == IWL_DEFAULT_MAX_TX_POWER) 1248216cdfb5SLuca Coelho cmd.common.pwr_restriction = cpu_to_le16(IWL_DEV_MAX_TX_POWER); 1249e705c121SKalle Valo 1250b0aa02b3SAyala Barazani if (cmd_ver == 7) 1251b0aa02b3SAyala Barazani len = sizeof(cmd.v7); 1252b0aa02b3SAyala Barazani else if (cmd_ver == 6) 1253fbb7957dSLuca Coelho len = sizeof(cmd.v6); 1254fbb7957dSLuca Coelho else if (fw_has_api(&mvm->fw->ucode_capa, 12550791c2fcSHaim Dreyfuss IWL_UCODE_TLV_API_REDUCE_TX_POWER)) 12560791c2fcSHaim Dreyfuss len = sizeof(cmd.v5); 12570791c2fcSHaim Dreyfuss else if (fw_has_capa(&mvm->fw->ucode_capa, 12580791c2fcSHaim Dreyfuss IWL_UCODE_TLV_CAPA_TX_POWER_ACK)) 12590791c2fcSHaim Dreyfuss len = sizeof(cmd.v4); 12600791c2fcSHaim Dreyfuss else 1261216cdfb5SLuca Coelho len = sizeof(cmd.v3); 1262216cdfb5SLuca Coelho 1263216cdfb5SLuca Coelho /* all structs have the same common part, add it */ 1264216cdfb5SLuca Coelho len += sizeof(cmd.common); 1265e705c121SKalle Valo 1266971cbe50SJohannes Berg return iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, len, &cmd); 1267e705c121SKalle Valo } 1268e705c121SKalle Valo 1269f6780614SSara Sharon static int iwl_mvm_post_channel_switch(struct ieee80211_hw *hw, 1270f6780614SSara Sharon struct ieee80211_vif *vif) 1271f6780614SSara Sharon { 1272f6780614SSara Sharon struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1273f6780614SSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1274f6780614SSara Sharon int ret; 1275f6780614SSara Sharon 1276f6780614SSara Sharon mutex_lock(&mvm->mutex); 1277f6780614SSara Sharon 1278f6780614SSara Sharon if (vif->type == NL80211_IFTYPE_STATION) { 1279f6780614SSara Sharon struct iwl_mvm_sta *mvmsta; 1280f6780614SSara Sharon 1281f6780614SSara Sharon mvmvif->csa_bcn_pending = false; 1282f6780614SSara Sharon mvmsta = iwl_mvm_sta_from_staid_protected(mvm, 1283f6780614SSara Sharon mvmvif->ap_sta_id); 1284f6780614SSara Sharon 1285f6780614SSara Sharon if (WARN_ON(!mvmsta)) { 1286f6780614SSara Sharon ret = -EIO; 1287f6780614SSara Sharon goto out_unlock; 1288f6780614SSara Sharon } 1289f6780614SSara Sharon 1290f6780614SSara Sharon iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false); 1291f6780614SSara Sharon 1292f6780614SSara Sharon iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 1293f6780614SSara Sharon 12940202bcf0SEmmanuel Grumbach if (!fw_has_capa(&mvm->fw->ucode_capa, 12950202bcf0SEmmanuel Grumbach IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 1296f6780614SSara Sharon ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0); 1297f6780614SSara Sharon if (ret) 1298f6780614SSara Sharon goto out_unlock; 1299f6780614SSara Sharon 1300f6780614SSara Sharon iwl_mvm_stop_session_protection(mvm, vif); 1301f6780614SSara Sharon } 13020202bcf0SEmmanuel Grumbach } 1303f6780614SSara Sharon 1304f6780614SSara Sharon mvmvif->ps_disabled = false; 1305f6780614SSara Sharon 1306f6780614SSara Sharon ret = iwl_mvm_power_update_ps(mvm); 1307f6780614SSara Sharon 1308f6780614SSara Sharon out_unlock: 1309caf46377SSara Sharon if (mvmvif->csa_failed) 1310caf46377SSara Sharon ret = -EIO; 1311f6780614SSara Sharon mutex_unlock(&mvm->mutex); 1312f6780614SSara Sharon 1313f6780614SSara Sharon return ret; 1314f6780614SSara Sharon } 1315f6780614SSara Sharon 1316f6780614SSara Sharon static void iwl_mvm_abort_channel_switch(struct ieee80211_hw *hw, 1317f6780614SSara Sharon struct ieee80211_vif *vif) 1318f6780614SSara Sharon { 1319f6780614SSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1320f6780614SSara Sharon struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1321f6780614SSara Sharon struct iwl_chan_switch_te_cmd cmd = { 1322f6780614SSara Sharon .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 1323f6780614SSara Sharon mvmvif->color)), 1324f6780614SSara Sharon .action = cpu_to_le32(FW_CTXT_ACTION_REMOVE), 1325f6780614SSara Sharon }; 1326f6780614SSara Sharon 1327ad12b231SNathan Errera /* 1328ad12b231SNathan Errera * In the new flow since FW is in charge of the timing, 1329ad12b231SNathan Errera * if driver has canceled the channel switch he will receive the 1330ad12b231SNathan Errera * CHANNEL_SWITCH_START_NOTIF notification from FW and then cancel it 1331ad12b231SNathan Errera */ 1332ad12b231SNathan Errera if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP, 1333ad12b231SNathan Errera CHANNEL_SWITCH_ERROR_NOTIF, 0)) 1334ad12b231SNathan Errera return; 1335ad12b231SNathan Errera 1336f6780614SSara Sharon IWL_DEBUG_MAC80211(mvm, "Abort CSA on mac %d\n", mvmvif->id); 1337f6780614SSara Sharon 1338f6780614SSara Sharon mutex_lock(&mvm->mutex); 133958ddd9b6SEmmanuel Grumbach if (!fw_has_capa(&mvm->fw->ucode_capa, 134058ddd9b6SEmmanuel Grumbach IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) 134158ddd9b6SEmmanuel Grumbach iwl_mvm_remove_csa_period(mvm, vif); 134258ddd9b6SEmmanuel Grumbach else 1343f6780614SSara Sharon WARN_ON(iwl_mvm_send_cmd_pdu(mvm, 1344f6780614SSara Sharon WIDE_ID(MAC_CONF_GROUP, 1345f6780614SSara Sharon CHANNEL_SWITCH_TIME_EVENT_CMD), 1346f6780614SSara Sharon 0, sizeof(cmd), &cmd)); 1347caf46377SSara Sharon mvmvif->csa_failed = true; 1348f6780614SSara Sharon mutex_unlock(&mvm->mutex); 1349f6780614SSara Sharon 1350caf46377SSara Sharon iwl_mvm_post_channel_switch(hw, vif); 1351f6780614SSara Sharon } 1352f6780614SSara Sharon 13531ab26632SMiri Korenblit void iwl_mvm_channel_switch_disconnect_wk(struct work_struct *wk) 1354f6780614SSara Sharon { 1355f6780614SSara Sharon struct iwl_mvm_vif *mvmvif; 1356f6780614SSara Sharon struct ieee80211_vif *vif; 1357f6780614SSara Sharon 1358f6780614SSara Sharon mvmvif = container_of(wk, struct iwl_mvm_vif, csa_work.work); 1359f6780614SSara Sharon vif = container_of((void *)mvmvif, struct ieee80211_vif, drv_priv); 1360f6780614SSara Sharon 136170162580SShaul Triebitz /* Trigger disconnect (should clear the CSA state) */ 1362f6780614SSara Sharon ieee80211_chswitch_done(vif, false); 1363f6780614SSara Sharon } 1364f6780614SSara Sharon 13655abf3154SMordechay Goodstein static u8 13665abf3154SMordechay Goodstein iwl_mvm_chandef_get_primary_80(struct cfg80211_chan_def *chandef) 13675abf3154SMordechay Goodstein { 13685abf3154SMordechay Goodstein int data_start; 13695abf3154SMordechay Goodstein int control_start; 13705abf3154SMordechay Goodstein int bw; 13715abf3154SMordechay Goodstein 13725abf3154SMordechay Goodstein if (chandef->width == NL80211_CHAN_WIDTH_320) 13735abf3154SMordechay Goodstein bw = 320; 13745abf3154SMordechay Goodstein else if (chandef->width == NL80211_CHAN_WIDTH_160) 13755abf3154SMordechay Goodstein bw = 160; 13765abf3154SMordechay Goodstein else 13775abf3154SMordechay Goodstein return 0; 13785abf3154SMordechay Goodstein 13795abf3154SMordechay Goodstein /* data is bw wide so the start is half the width */ 13805abf3154SMordechay Goodstein data_start = chandef->center_freq1 - bw / 2; 13815abf3154SMordechay Goodstein /* control is 20Mhz width */ 13825abf3154SMordechay Goodstein control_start = chandef->chan->center_freq - 10; 13835abf3154SMordechay Goodstein 13845abf3154SMordechay Goodstein return (control_start - data_start) / 80; 13855abf3154SMordechay Goodstein } 13865abf3154SMordechay Goodstein 13871ab26632SMiri Korenblit /* 13881ab26632SMiri Korenblit * Returns true if addding the interface is done 13891ab26632SMiri Korenblit * (either with success or failure) 13901ab26632SMiri Korenblit */ 13911ab26632SMiri Korenblit bool iwl_mvm_mac_add_interface_common(struct iwl_mvm *mvm, 13921ab26632SMiri Korenblit struct ieee80211_hw *hw, 13931ab26632SMiri Korenblit struct ieee80211_vif *vif, int *ret) 1394e705c121SKalle Valo { 1395e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 13961ab26632SMiri Korenblit 13971ab26632SMiri Korenblit lockdep_assert_held(&mvm->mutex); 1398e705c121SKalle Valo 1399e705c121SKalle Valo mvmvif->mvm = mvm; 140086e177d8SGregory Greenman RCU_INIT_POINTER(mvmvif->probe_resp_data, NULL); 1401e705c121SKalle Valo 1402e705c121SKalle Valo /* 1403e705c121SKalle Valo * Not much to do here. The stack will not allow interface 1404e705c121SKalle Valo * types or combinations that we didn't advertise, so we 1405e705c121SKalle Valo * don't really have to check the types. 1406e705c121SKalle Valo */ 1407e705c121SKalle Valo 1408e705c121SKalle Valo /* make sure that beacon statistics don't go backwards with FW reset */ 1409e705c121SKalle Valo if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1410e705c121SKalle Valo mvmvif->beacon_stats.accu_num_beacons += 1411e705c121SKalle Valo mvmvif->beacon_stats.num_beacons; 1412e705c121SKalle Valo 1413e705c121SKalle Valo /* Allocate resources for the MAC context, and add it to the fw */ 14141ab26632SMiri Korenblit *ret = iwl_mvm_mac_ctxt_init(mvm, vif); 14151ab26632SMiri Korenblit if (*ret) 14161ab26632SMiri Korenblit return true; 1417e705c121SKalle Valo 1418698478c4SSara Sharon rcu_assign_pointer(mvm->vif_id_to_mac[mvmvif->id], vif); 1419698478c4SSara Sharon 1420e705c121SKalle Valo /* 1421e705c121SKalle Valo * The AP binding flow can be done only after the beacon 1422e705c121SKalle Valo * template is configured (which happens only in the mac80211 1423e705c121SKalle Valo * start_ap() flow), and adding the broadcast station can happen 1424e705c121SKalle Valo * only after the binding. 1425e705c121SKalle Valo * In addition, since modifying the MAC before adding a bcast 1426e705c121SKalle Valo * station is not allowed by the FW, delay the adding of MAC context to 1427e705c121SKalle Valo * the point where we can also add the bcast station. 1428e705c121SKalle Valo * In short: there's not much we can do at this point, other than 1429e705c121SKalle Valo * allocating resources :) 1430e705c121SKalle Valo */ 1431e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP || 1432e705c121SKalle Valo vif->type == NL80211_IFTYPE_ADHOC) { 14331ab26632SMiri Korenblit iwl_mvm_vif_dbgfs_register(mvm, vif); 14341ab26632SMiri Korenblit return true; 14351ab26632SMiri Korenblit } 14361ab26632SMiri Korenblit 14371ab26632SMiri Korenblit mvmvif->features |= hw->netdev_features; 14381ab26632SMiri Korenblit return false; 14391ab26632SMiri Korenblit } 14401ab26632SMiri Korenblit 14411ab26632SMiri Korenblit static int iwl_mvm_alloc_bcast_mcast_sta(struct iwl_mvm *mvm, 14421ab26632SMiri Korenblit struct ieee80211_vif *vif) 14431ab26632SMiri Korenblit { 14441ab26632SMiri Korenblit struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 14451ab26632SMiri Korenblit int ret; 14461ab26632SMiri Korenblit 14471ab26632SMiri Korenblit lockdep_assert_held(&mvm->mutex); 14481ab26632SMiri Korenblit 1449e705c121SKalle Valo ret = iwl_mvm_alloc_bcast_sta(mvm, vif); 1450e705c121SKalle Valo if (ret) { 1451e705c121SKalle Valo IWL_ERR(mvm, "Failed to allocate bcast sta\n"); 14521ab26632SMiri Korenblit return ret; 1453e705c121SKalle Valo } 1454e705c121SKalle Valo 145526d6c16bSSara Sharon /* 145626d6c16bSSara Sharon * Only queue for this station is the mcast queue, 145726d6c16bSSara Sharon * which shouldn't be in TFD mask anyway 145826d6c16bSSara Sharon */ 14591ab26632SMiri Korenblit return iwl_mvm_allocate_int_sta(mvm, &mvmvif->mcast_sta, 0, vif->type, 1460ced19f26SSara Sharon IWL_STA_MULTICAST); 1461e705c121SKalle Valo } 1462e705c121SKalle Valo 14631ab26632SMiri Korenblit static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, 14641ab26632SMiri Korenblit struct ieee80211_vif *vif) 14651ab26632SMiri Korenblit { 14661ab26632SMiri Korenblit struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 14671ab26632SMiri Korenblit struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 14681ab26632SMiri Korenblit int ret; 14691ab26632SMiri Korenblit 14701ab26632SMiri Korenblit mutex_lock(&mvm->mutex); 14711ab26632SMiri Korenblit 14721ab26632SMiri Korenblit /* Common for MLD and non-MLD API */ 14731ab26632SMiri Korenblit if (iwl_mvm_mac_add_interface_common(mvm, hw, vif, &ret)) 14741ab26632SMiri Korenblit goto out; 1475e705c121SKalle Valo 1476e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_add(mvm, vif); 1477e705c121SKalle Valo if (ret) 147898c0de7bSMiri Korenblit goto out_unlock; 1479e705c121SKalle Valo 1480e705c121SKalle Valo ret = iwl_mvm_power_update_mac(mvm); 1481e705c121SKalle Valo if (ret) 1482e705c121SKalle Valo goto out_remove_mac; 1483e705c121SKalle Valo 1484e705c121SKalle Valo /* beacon filtering */ 1485e705c121SKalle Valo ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); 1486e705c121SKalle Valo if (ret) 1487e705c121SKalle Valo goto out_remove_mac; 1488e705c121SKalle Valo 1489e705c121SKalle Valo if (!mvm->bf_allowed_vif && 1490e705c121SKalle Valo vif->type == NL80211_IFTYPE_STATION && !vif->p2p) { 1491e705c121SKalle Valo mvm->bf_allowed_vif = mvmvif; 1492e705c121SKalle Valo vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | 1493e705c121SKalle Valo IEEE80211_VIF_SUPPORTS_CQM_RSSI; 1494e705c121SKalle Valo } 1495e705c121SKalle Valo 1496e705c121SKalle Valo /* 1497e705c121SKalle Valo * P2P_DEVICE interface does not have a channel context assigned to it, 1498e705c121SKalle Valo * so a dedicated PHY context is allocated to it and the corresponding 1499e705c121SKalle Valo * MAC context is bound to it at this stage. 1500e705c121SKalle Valo */ 1501e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1502e705c121SKalle Valo 1503e705c121SKalle Valo mvmvif->phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 1504e705c121SKalle Valo if (!mvmvif->phy_ctxt) { 1505e705c121SKalle Valo ret = -ENOSPC; 1506e705c121SKalle Valo goto out_free_bf; 1507e705c121SKalle Valo } 1508e705c121SKalle Valo 1509e705c121SKalle Valo iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt); 1510e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 1511e705c121SKalle Valo if (ret) 1512e705c121SKalle Valo goto out_unref_phy; 1513e705c121SKalle Valo 1514d197358bSLuca Coelho ret = iwl_mvm_add_p2p_bcast_sta(mvm, vif); 1515e705c121SKalle Valo if (ret) 1516e705c121SKalle Valo goto out_unbind; 1517e705c121SKalle Valo 1518e705c121SKalle Valo /* Save a pointer to p2p device vif, so it can later be used to 1519e705c121SKalle Valo * update the p2p device MAC when a GO is started/stopped */ 1520e705c121SKalle Valo mvm->p2p_device_vif = vif; 1521e705c121SKalle Valo } 1522e705c121SKalle Valo 1523b0ffe455SJohannes Berg iwl_mvm_tcm_add_vif(mvm, vif); 1524f6780614SSara Sharon INIT_DELAYED_WORK(&mvmvif->csa_work, 1525f6780614SSara Sharon iwl_mvm_channel_switch_disconnect_wk); 1526b0ffe455SJohannes Berg 15275abf3154SMordechay Goodstein if (vif->type == NL80211_IFTYPE_MONITOR) { 1528baf41bc3SShaul Triebitz mvm->monitor_on = true; 15295abf3154SMordechay Goodstein mvm->monitor_p80 = 15305abf3154SMordechay Goodstein iwl_mvm_chandef_get_primary_80(&vif->bss_conf.chandef); 15315abf3154SMordechay Goodstein } 1532baf41bc3SShaul Triebitz 1533e705c121SKalle Valo iwl_mvm_vif_dbgfs_register(mvm, vif); 15346d19a5ebSEmmanuel Grumbach 15356d19a5ebSEmmanuel Grumbach if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 15366d19a5ebSEmmanuel Grumbach vif->type == NL80211_IFTYPE_STATION && !vif->p2p && 15376d19a5ebSEmmanuel Grumbach !mvm->csme_vif && mvm->mei_registered) { 15386d19a5ebSEmmanuel Grumbach iwl_mei_set_nic_info(vif->addr, mvm->nvm_data->hw_addr); 15396d19a5ebSEmmanuel Grumbach iwl_mei_set_netdev(ieee80211_vif_to_wdev(vif)->netdev); 15406d19a5ebSEmmanuel Grumbach mvm->csme_vif = vif; 15416d19a5ebSEmmanuel Grumbach } 15426d19a5ebSEmmanuel Grumbach 15431ab26632SMiri Korenblit out: 15441ab26632SMiri Korenblit if (!ret && (vif->type == NL80211_IFTYPE_AP || 15451ab26632SMiri Korenblit vif->type == NL80211_IFTYPE_ADHOC)) 15461ab26632SMiri Korenblit ret = iwl_mvm_alloc_bcast_mcast_sta(mvm, vif); 15471ab26632SMiri Korenblit 1548e705c121SKalle Valo goto out_unlock; 1549e705c121SKalle Valo 1550e705c121SKalle Valo out_unbind: 1551e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 1552e705c121SKalle Valo out_unref_phy: 1553e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); 1554e705c121SKalle Valo out_free_bf: 1555e705c121SKalle Valo if (mvm->bf_allowed_vif == mvmvif) { 1556e705c121SKalle Valo mvm->bf_allowed_vif = NULL; 1557e705c121SKalle Valo vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | 1558e705c121SKalle Valo IEEE80211_VIF_SUPPORTS_CQM_RSSI); 1559e705c121SKalle Valo } 1560e705c121SKalle Valo out_remove_mac: 1561e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 1562e705c121SKalle Valo iwl_mvm_mac_ctxt_remove(mvm, vif); 1563e705c121SKalle Valo out_unlock: 1564e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1565e705c121SKalle Valo 1566e705c121SKalle Valo return ret; 1567e705c121SKalle Valo } 1568e705c121SKalle Valo 1569e705c121SKalle Valo static void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm, 1570e705c121SKalle Valo struct ieee80211_vif *vif) 1571e705c121SKalle Valo { 1572e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1573e705c121SKalle Valo /* 1574e705c121SKalle Valo * Flush the ROC worker which will flush the OFFCHANNEL queue. 1575e705c121SKalle Valo * We assume here that all the packets sent to the OFFCHANNEL 1576e705c121SKalle Valo * queue are sent in ROC session. 1577e705c121SKalle Valo */ 1578e705c121SKalle Valo flush_work(&mvm->roc_done_wk); 1579e705c121SKalle Valo } 1580e705c121SKalle Valo } 1581e705c121SKalle Valo 158260efeca1SMiri Korenblit /* This function is doing the common part of removing the interface for 158360efeca1SMiri Korenblit * both - MLD and non-MLD modes. Returns true if removing the interface 158460efeca1SMiri Korenblit * is done 158560efeca1SMiri Korenblit */ 158660efeca1SMiri Korenblit bool iwl_mvm_mac_remove_interface_common(struct ieee80211_hw *hw, 1587e705c121SKalle Valo struct ieee80211_vif *vif) 1588e705c121SKalle Valo { 1589e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1590e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 159186e177d8SGregory Greenman struct iwl_probe_resp_data *probe_data; 1592e705c121SKalle Valo 1593e705c121SKalle Valo iwl_mvm_prepare_mac_removal(mvm, vif); 1594e705c121SKalle Valo 1595b0ffe455SJohannes Berg if (!(vif->type == NL80211_IFTYPE_AP || 1596b0ffe455SJohannes Berg vif->type == NL80211_IFTYPE_ADHOC)) 1597b0ffe455SJohannes Berg iwl_mvm_tcm_rm_vif(mvm, vif); 1598b0ffe455SJohannes Berg 1599e705c121SKalle Valo mutex_lock(&mvm->mutex); 1600e705c121SKalle Valo 16016d19a5ebSEmmanuel Grumbach if (vif == mvm->csme_vif) { 16026d19a5ebSEmmanuel Grumbach iwl_mei_set_netdev(NULL); 16036d19a5ebSEmmanuel Grumbach mvm->csme_vif = NULL; 16046d19a5ebSEmmanuel Grumbach } 16056d19a5ebSEmmanuel Grumbach 160686e177d8SGregory Greenman probe_data = rcu_dereference_protected(mvmvif->probe_resp_data, 160786e177d8SGregory Greenman lockdep_is_held(&mvm->mutex)); 160886e177d8SGregory Greenman RCU_INIT_POINTER(mvmvif->probe_resp_data, NULL); 160986e177d8SGregory Greenman if (probe_data) 161086e177d8SGregory Greenman kfree_rcu(probe_data, rcu_head); 161186e177d8SGregory Greenman 1612e705c121SKalle Valo if (mvm->bf_allowed_vif == mvmvif) { 1613e705c121SKalle Valo mvm->bf_allowed_vif = NULL; 1614e705c121SKalle Valo vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | 1615e705c121SKalle Valo IEEE80211_VIF_SUPPORTS_CQM_RSSI); 1616e705c121SKalle Valo } 1617e705c121SKalle Valo 1618b73f9a4aSJohannes Berg if (vif->bss_conf.ftm_responder) 1619b73f9a4aSJohannes Berg memset(&mvm->ftm_resp_stats, 0, sizeof(mvm->ftm_resp_stats)); 1620b73f9a4aSJohannes Berg 1621e705c121SKalle Valo iwl_mvm_vif_dbgfs_clean(mvm, vif); 1622e705c121SKalle Valo 1623e705c121SKalle Valo /* 1624e705c121SKalle Valo * For AP/GO interface, the tear down of the resources allocated to the 1625e705c121SKalle Valo * interface is be handled as part of the stop_ap flow. 1626e705c121SKalle Valo */ 1627e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP || 1628e705c121SKalle Valo vif->type == NL80211_IFTYPE_ADHOC) { 1629e705c121SKalle Valo #ifdef CONFIG_NL80211_TESTMODE 1630e705c121SKalle Valo if (vif == mvm->noa_vif) { 1631e705c121SKalle Valo mvm->noa_vif = NULL; 1632e705c121SKalle Valo mvm->noa_duration = 0; 1633e705c121SKalle Valo } 1634e705c121SKalle Valo #endif 163560efeca1SMiri Korenblit return true; 1636e705c121SKalle Valo } 1637e705c121SKalle Valo 163860efeca1SMiri Korenblit iwl_mvm_power_update_mac(mvm); 163960efeca1SMiri Korenblit return false; 164060efeca1SMiri Korenblit } 164160efeca1SMiri Korenblit 164260efeca1SMiri Korenblit static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw, 164360efeca1SMiri Korenblit struct ieee80211_vif *vif) 164460efeca1SMiri Korenblit { 164560efeca1SMiri Korenblit struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 164660efeca1SMiri Korenblit struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 164760efeca1SMiri Korenblit 164860efeca1SMiri Korenblit if (iwl_mvm_mac_remove_interface_common(hw, vif)) 164960efeca1SMiri Korenblit goto out; 165060efeca1SMiri Korenblit 1651e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1652e705c121SKalle Valo mvm->p2p_device_vif = NULL; 1653d197358bSLuca Coelho iwl_mvm_rm_p2p_bcast_sta(mvm, vif); 1654e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 1655e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); 1656e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 1657e705c121SKalle Valo } 1658e705c121SKalle Valo 1659e705c121SKalle Valo iwl_mvm_mac_ctxt_remove(mvm, vif); 1660e705c121SKalle Valo 1661698478c4SSara Sharon RCU_INIT_POINTER(mvm->vif_id_to_mac[mvmvif->id], NULL); 1662698478c4SSara Sharon 1663baf41bc3SShaul Triebitz if (vif->type == NL80211_IFTYPE_MONITOR) 1664baf41bc3SShaul Triebitz mvm->monitor_on = false; 1665baf41bc3SShaul Triebitz 166660efeca1SMiri Korenblit out: 166760efeca1SMiri Korenblit if (vif->type == NL80211_IFTYPE_AP || 166860efeca1SMiri Korenblit vif->type == NL80211_IFTYPE_ADHOC) { 166960efeca1SMiri Korenblit iwl_mvm_dealloc_int_sta(mvm, &mvmvif->mcast_sta); 167060efeca1SMiri Korenblit iwl_mvm_dealloc_bcast_sta(mvm, vif); 167160efeca1SMiri Korenblit } 167260efeca1SMiri Korenblit 1673e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1674e705c121SKalle Valo } 1675e705c121SKalle Valo 1676e705c121SKalle Valo static int iwl_mvm_mac_config(struct ieee80211_hw *hw, u32 changed) 1677e705c121SKalle Valo { 1678e705c121SKalle Valo return 0; 1679e705c121SKalle Valo } 1680e705c121SKalle Valo 1681e705c121SKalle Valo struct iwl_mvm_mc_iter_data { 1682e705c121SKalle Valo struct iwl_mvm *mvm; 1683e705c121SKalle Valo int port_id; 1684e705c121SKalle Valo }; 1685e705c121SKalle Valo 1686e705c121SKalle Valo static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac, 1687e705c121SKalle Valo struct ieee80211_vif *vif) 1688e705c121SKalle Valo { 1689e705c121SKalle Valo struct iwl_mvm_mc_iter_data *data = _data; 1690e705c121SKalle Valo struct iwl_mvm *mvm = data->mvm; 1691e705c121SKalle Valo struct iwl_mcast_filter_cmd *cmd = mvm->mcast_filter_cmd; 169297bce57bSLuca Coelho struct iwl_host_cmd hcmd = { 169397bce57bSLuca Coelho .id = MCAST_FILTER_CMD, 169497bce57bSLuca Coelho .flags = CMD_ASYNC, 169597bce57bSLuca Coelho .dataflags[0] = IWL_HCMD_DFL_NOCOPY, 169697bce57bSLuca Coelho }; 1697e705c121SKalle Valo int ret, len; 1698e705c121SKalle Valo 1699e705c121SKalle Valo /* if we don't have free ports, mcast frames will be dropped */ 1700e705c121SKalle Valo if (WARN_ON_ONCE(data->port_id >= MAX_PORT_ID_NUM)) 1701e705c121SKalle Valo return; 1702e705c121SKalle Valo 1703e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_STATION || 1704f276e20bSJohannes Berg !vif->cfg.assoc) 1705e705c121SKalle Valo return; 1706e705c121SKalle Valo 1707e705c121SKalle Valo cmd->port_id = data->port_id++; 1708e705c121SKalle Valo memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN); 1709e705c121SKalle Valo len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4); 1710e705c121SKalle Valo 171197bce57bSLuca Coelho hcmd.len[0] = len; 171297bce57bSLuca Coelho hcmd.data[0] = cmd; 171397bce57bSLuca Coelho 171497bce57bSLuca Coelho ret = iwl_mvm_send_cmd(mvm, &hcmd); 1715e705c121SKalle Valo if (ret) 1716e705c121SKalle Valo IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret); 1717e705c121SKalle Valo } 1718e705c121SKalle Valo 1719e705c121SKalle Valo static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm) 1720e705c121SKalle Valo { 1721e705c121SKalle Valo struct iwl_mvm_mc_iter_data iter_data = { 1722e705c121SKalle Valo .mvm = mvm, 1723e705c121SKalle Valo }; 1724db66abeeSJohannes Berg int ret; 1725e705c121SKalle Valo 1726e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1727e705c121SKalle Valo 1728e705c121SKalle Valo if (WARN_ON_ONCE(!mvm->mcast_filter_cmd)) 1729e705c121SKalle Valo return; 1730e705c121SKalle Valo 1731e705c121SKalle Valo ieee80211_iterate_active_interfaces_atomic( 1732e705c121SKalle Valo mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 1733e705c121SKalle Valo iwl_mvm_mc_iface_iterator, &iter_data); 1734db66abeeSJohannes Berg 1735db66abeeSJohannes Berg /* 1736db66abeeSJohannes Berg * Send a (synchronous) ech command so that we wait for the 1737db66abeeSJohannes Berg * multiple asynchronous MCAST_FILTER_CMD commands sent by 1738db66abeeSJohannes Berg * the interface iterator. Otherwise, we might get here over 1739db66abeeSJohannes Berg * and over again (by userspace just sending a lot of these) 1740db66abeeSJohannes Berg * and the CPU can send them faster than the firmware can 1741db66abeeSJohannes Berg * process them. 1742db66abeeSJohannes Berg * Note that the CPU is still faster - but with this we'll 1743db66abeeSJohannes Berg * actually send fewer commands overall because the CPU will 1744db66abeeSJohannes Berg * not schedule the work in mac80211 as frequently if it's 1745db66abeeSJohannes Berg * still running when rescheduled (possibly multiple times). 1746db66abeeSJohannes Berg */ 1747db66abeeSJohannes Berg ret = iwl_mvm_send_cmd_pdu(mvm, ECHO_CMD, 0, 0, NULL); 1748db66abeeSJohannes Berg if (ret) 1749db66abeeSJohannes Berg IWL_ERR(mvm, "Failed to synchronize multicast groups update\n"); 1750e705c121SKalle Valo } 1751e705c121SKalle Valo 1752e705c121SKalle Valo static u64 iwl_mvm_prepare_multicast(struct ieee80211_hw *hw, 1753e705c121SKalle Valo struct netdev_hw_addr_list *mc_list) 1754e705c121SKalle Valo { 1755e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1756e705c121SKalle Valo struct iwl_mcast_filter_cmd *cmd; 1757e705c121SKalle Valo struct netdev_hw_addr *addr; 1758e705c121SKalle Valo int addr_count; 1759e705c121SKalle Valo bool pass_all; 1760e705c121SKalle Valo int len; 1761e705c121SKalle Valo 1762e705c121SKalle Valo addr_count = netdev_hw_addr_list_count(mc_list); 1763e705c121SKalle Valo pass_all = addr_count > MAX_MCAST_FILTERING_ADDRESSES || 1764e705c121SKalle Valo IWL_MVM_FW_MCAST_FILTER_PASS_ALL; 1765e705c121SKalle Valo if (pass_all) 1766e705c121SKalle Valo addr_count = 0; 1767e705c121SKalle Valo 1768e705c121SKalle Valo len = roundup(sizeof(*cmd) + addr_count * ETH_ALEN, 4); 1769e705c121SKalle Valo cmd = kzalloc(len, GFP_ATOMIC); 1770e705c121SKalle Valo if (!cmd) 1771e705c121SKalle Valo return 0; 1772e705c121SKalle Valo 1773e705c121SKalle Valo if (pass_all) { 1774e705c121SKalle Valo cmd->pass_all = 1; 1775e705c121SKalle Valo return (u64)(unsigned long)cmd; 1776e705c121SKalle Valo } 1777e705c121SKalle Valo 1778e705c121SKalle Valo netdev_hw_addr_list_for_each(addr, mc_list) { 1779e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %pM\n", 1780e705c121SKalle Valo cmd->count, addr->addr); 1781e705c121SKalle Valo memcpy(&cmd->addr_list[cmd->count * ETH_ALEN], 1782e705c121SKalle Valo addr->addr, ETH_ALEN); 1783e705c121SKalle Valo cmd->count++; 1784e705c121SKalle Valo } 1785e705c121SKalle Valo 1786e705c121SKalle Valo return (u64)(unsigned long)cmd; 1787e705c121SKalle Valo } 1788e705c121SKalle Valo 1789e705c121SKalle Valo static void iwl_mvm_configure_filter(struct ieee80211_hw *hw, 1790e705c121SKalle Valo unsigned int changed_flags, 1791e705c121SKalle Valo unsigned int *total_flags, 1792e705c121SKalle Valo u64 multicast) 1793e705c121SKalle Valo { 1794e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1795e705c121SKalle Valo struct iwl_mcast_filter_cmd *cmd = (void *)(unsigned long)multicast; 1796e705c121SKalle Valo 1797e705c121SKalle Valo mutex_lock(&mvm->mutex); 1798e705c121SKalle Valo 1799e705c121SKalle Valo /* replace previous configuration */ 1800e705c121SKalle Valo kfree(mvm->mcast_filter_cmd); 1801e705c121SKalle Valo mvm->mcast_filter_cmd = cmd; 1802e705c121SKalle Valo 1803e705c121SKalle Valo if (!cmd) 1804e705c121SKalle Valo goto out; 1805e705c121SKalle Valo 180661e7d91bSLuca Coelho if (changed_flags & FIF_ALLMULTI) 180761e7d91bSLuca Coelho cmd->pass_all = !!(*total_flags & FIF_ALLMULTI); 180861e7d91bSLuca Coelho 180961e7d91bSLuca Coelho if (cmd->pass_all) 181061e7d91bSLuca Coelho cmd->count = 0; 181161e7d91bSLuca Coelho 1812e705c121SKalle Valo iwl_mvm_recalc_multicast(mvm); 1813e705c121SKalle Valo out: 1814e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1815e705c121SKalle Valo *total_flags = 0; 1816e705c121SKalle Valo } 1817e705c121SKalle Valo 1818e705c121SKalle Valo static void iwl_mvm_config_iface_filter(struct ieee80211_hw *hw, 1819e705c121SKalle Valo struct ieee80211_vif *vif, 1820e705c121SKalle Valo unsigned int filter_flags, 1821e705c121SKalle Valo unsigned int changed_flags) 1822e705c121SKalle Valo { 1823e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1824e705c121SKalle Valo 1825e705c121SKalle Valo /* We support only filter for probe requests */ 1826e705c121SKalle Valo if (!(changed_flags & FIF_PROBE_REQ)) 1827e705c121SKalle Valo return; 1828e705c121SKalle Valo 1829e705c121SKalle Valo /* Supported only for p2p client interfaces */ 1830f276e20bSJohannes Berg if (vif->type != NL80211_IFTYPE_STATION || !vif->cfg.assoc || 1831e705c121SKalle Valo !vif->p2p) 1832e705c121SKalle Valo return; 1833e705c121SKalle Valo 1834e705c121SKalle Valo mutex_lock(&mvm->mutex); 1835e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 1836e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1837e705c121SKalle Valo } 1838e705c121SKalle Valo 1839a07a8f37SSara Sharon static int iwl_mvm_update_mu_groups(struct iwl_mvm *mvm, 1840a07a8f37SSara Sharon struct ieee80211_vif *vif) 1841a07a8f37SSara Sharon { 1842a07a8f37SSara Sharon struct iwl_mu_group_mgmt_cmd cmd = {}; 1843a07a8f37SSara Sharon 1844a07a8f37SSara Sharon memcpy(cmd.membership_status, vif->bss_conf.mu_group.membership, 1845a07a8f37SSara Sharon WLAN_MEMBERSHIP_LEN); 1846a07a8f37SSara Sharon memcpy(cmd.user_position, vif->bss_conf.mu_group.position, 1847a07a8f37SSara Sharon WLAN_USER_POSITION_LEN); 1848a07a8f37SSara Sharon 1849a07a8f37SSara Sharon return iwl_mvm_send_cmd_pdu(mvm, 1850a07a8f37SSara Sharon WIDE_ID(DATA_PATH_GROUP, 1851a07a8f37SSara Sharon UPDATE_MU_GROUPS_CMD), 1852a07a8f37SSara Sharon 0, sizeof(cmd), &cmd); 1853a07a8f37SSara Sharon } 1854a07a8f37SSara Sharon 1855f92659a1SSara Sharon static void iwl_mvm_mu_mimo_iface_iterator(void *_data, u8 *mac, 1856f92659a1SSara Sharon struct ieee80211_vif *vif) 1857f92659a1SSara Sharon { 1858d0a9123eSJohannes Berg if (vif->bss_conf.mu_mimo_owner) { 1859f92659a1SSara Sharon struct iwl_mu_group_mgmt_notif *notif = _data; 1860f92659a1SSara Sharon 1861f92659a1SSara Sharon /* 1862f92659a1SSara Sharon * MU-MIMO Group Id action frame is little endian. We treat 1863f92659a1SSara Sharon * the data received from firmware as if it came from the 1864f92659a1SSara Sharon * action frame, so no conversion is needed. 1865f92659a1SSara Sharon */ 1866afe0d181SJohannes Berg ieee80211_update_mu_groups(vif, 0, 1867f92659a1SSara Sharon (u8 *)¬if->membership_status, 1868f92659a1SSara Sharon (u8 *)¬if->user_position); 1869f92659a1SSara Sharon } 1870f92659a1SSara Sharon } 1871f92659a1SSara Sharon 1872f92659a1SSara Sharon void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm, 1873f92659a1SSara Sharon struct iwl_rx_cmd_buffer *rxb) 1874f92659a1SSara Sharon { 1875f92659a1SSara Sharon struct iwl_rx_packet *pkt = rxb_addr(rxb); 1876f92659a1SSara Sharon struct iwl_mu_group_mgmt_notif *notif = (void *)pkt->data; 1877f92659a1SSara Sharon 1878f92659a1SSara Sharon ieee80211_iterate_active_interfaces_atomic( 1879f92659a1SSara Sharon mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 1880f92659a1SSara Sharon iwl_mvm_mu_mimo_iface_iterator, notif); 1881f92659a1SSara Sharon } 1882f92659a1SSara Sharon 1883514c3069SLuca Coelho static u8 iwl_mvm_he_get_ppe_val(u8 *ppe, u8 ppe_pos_bit) 1884514c3069SLuca Coelho { 1885514c3069SLuca Coelho u8 byte_num = ppe_pos_bit / 8; 1886514c3069SLuca Coelho u8 bit_num = ppe_pos_bit % 8; 1887514c3069SLuca Coelho u8 residue_bits; 1888514c3069SLuca Coelho u8 res; 1889514c3069SLuca Coelho 1890514c3069SLuca Coelho if (bit_num <= 5) 1891514c3069SLuca Coelho return (ppe[byte_num] >> bit_num) & 1892514c3069SLuca Coelho (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE) - 1); 1893514c3069SLuca Coelho 1894514c3069SLuca Coelho /* 1895514c3069SLuca Coelho * If bit_num > 5, we have to combine bits with next byte. 1896514c3069SLuca Coelho * Calculate how many bits we need to take from current byte (called 1897514c3069SLuca Coelho * here "residue_bits"), and add them to bits from next byte. 1898514c3069SLuca Coelho */ 1899514c3069SLuca Coelho 1900514c3069SLuca Coelho residue_bits = 8 - bit_num; 1901514c3069SLuca Coelho 1902514c3069SLuca Coelho res = (ppe[byte_num + 1] & 1903514c3069SLuca Coelho (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE - residue_bits) - 1)) << 1904514c3069SLuca Coelho residue_bits; 1905514c3069SLuca Coelho res += (ppe[byte_num] >> bit_num) & (BIT(residue_bits) - 1); 1906514c3069SLuca Coelho 1907514c3069SLuca Coelho return res; 1908514c3069SLuca Coelho } 1909514c3069SLuca Coelho 1910091296d3SMiri Korenblit static void iwl_mvm_parse_ppe(struct iwl_mvm *mvm, 1911091296d3SMiri Korenblit struct iwl_he_pkt_ext_v2 *pkt_ext, u8 nss, 1912cb63eb43SMiri Korenblit u8 ru_index_bitmap, u8 *ppe, u8 ppe_pos_bit, 1913cb63eb43SMiri Korenblit bool inheritance) 1914091296d3SMiri Korenblit { 1915091296d3SMiri Korenblit int i; 1916091296d3SMiri Korenblit 1917091296d3SMiri Korenblit /* 1918091296d3SMiri Korenblit * FW currently supports only nss == MAX_HE_SUPP_NSS 1919091296d3SMiri Korenblit * 1920091296d3SMiri Korenblit * If nss > MAX: we can ignore values we don't support 1921091296d3SMiri Korenblit * If nss < MAX: we can set zeros in other streams 1922091296d3SMiri Korenblit */ 1923091296d3SMiri Korenblit if (nss > MAX_HE_SUPP_NSS) { 19244d8421f2SJason A. Donenfeld IWL_DEBUG_INFO(mvm, "Got NSS = %d - trimming to %d\n", nss, 1925091296d3SMiri Korenblit MAX_HE_SUPP_NSS); 1926091296d3SMiri Korenblit nss = MAX_HE_SUPP_NSS; 1927091296d3SMiri Korenblit } 1928091296d3SMiri Korenblit 1929091296d3SMiri Korenblit for (i = 0; i < nss; i++) { 1930091296d3SMiri Korenblit u8 ru_index_tmp = ru_index_bitmap << 1; 1931091296d3SMiri Korenblit u8 low_th = IWL_HE_PKT_EXT_NONE, high_th = IWL_HE_PKT_EXT_NONE; 1932091296d3SMiri Korenblit u8 bw; 1933091296d3SMiri Korenblit 1934091296d3SMiri Korenblit for (bw = 0; 1935091296d3SMiri Korenblit bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]); 1936091296d3SMiri Korenblit bw++) { 1937091296d3SMiri Korenblit ru_index_tmp >>= 1; 1938091296d3SMiri Korenblit 1939cb63eb43SMiri Korenblit /* 1940cb63eb43SMiri Korenblit * According to the 11be spec, if for a specific BW the PPE Thresholds 1941cb63eb43SMiri Korenblit * isn't present - it should inherit the thresholds from the last 1942cb63eb43SMiri Korenblit * BW for which we had PPE Thresholds. In 11ax though, we don't have 1943cb63eb43SMiri Korenblit * this inheritance - continue in this case 1944cb63eb43SMiri Korenblit */ 1945cb63eb43SMiri Korenblit if (!(ru_index_tmp & 1)) { 1946cb63eb43SMiri Korenblit if (inheritance) 1947cb63eb43SMiri Korenblit goto set_thresholds; 1948cb63eb43SMiri Korenblit else 1949091296d3SMiri Korenblit continue; 1950cb63eb43SMiri Korenblit } 1951091296d3SMiri Korenblit 1952091296d3SMiri Korenblit high_th = iwl_mvm_he_get_ppe_val(ppe, ppe_pos_bit); 1953091296d3SMiri Korenblit ppe_pos_bit += IEEE80211_PPE_THRES_INFO_PPET_SIZE; 1954091296d3SMiri Korenblit low_th = iwl_mvm_he_get_ppe_val(ppe, ppe_pos_bit); 1955091296d3SMiri Korenblit ppe_pos_bit += IEEE80211_PPE_THRES_INFO_PPET_SIZE; 1956091296d3SMiri Korenblit 1957cb63eb43SMiri Korenblit set_thresholds: 1958091296d3SMiri Korenblit pkt_ext->pkt_ext_qam_th[i][bw][0] = low_th; 1959091296d3SMiri Korenblit pkt_ext->pkt_ext_qam_th[i][bw][1] = high_th; 1960091296d3SMiri Korenblit } 1961091296d3SMiri Korenblit } 1962091296d3SMiri Korenblit } 1963091296d3SMiri Korenblit 1964091296d3SMiri Korenblit static void iwl_mvm_set_pkt_ext_from_he_ppe(struct iwl_mvm *mvm, 1965091296d3SMiri Korenblit struct ieee80211_sta *sta, 1966cb63eb43SMiri Korenblit struct iwl_he_pkt_ext_v2 *pkt_ext, 1967cb63eb43SMiri Korenblit bool inheritance) 1968091296d3SMiri Korenblit { 1969046d2e7cSSriram R u8 nss = (sta->deflink.he_cap.ppe_thres[0] & IEEE80211_PPE_THRES_NSS_MASK) + 1; 1970046d2e7cSSriram R u8 *ppe = &sta->deflink.he_cap.ppe_thres[0]; 1971091296d3SMiri Korenblit u8 ru_index_bitmap = 1972091296d3SMiri Korenblit u8_get_bits(*ppe, 1973091296d3SMiri Korenblit IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK); 1974091296d3SMiri Korenblit /* Starting after PPE header */ 1975091296d3SMiri Korenblit u8 ppe_pos_bit = IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE; 1976091296d3SMiri Korenblit 1977cb63eb43SMiri Korenblit iwl_mvm_parse_ppe(mvm, pkt_ext, nss, ru_index_bitmap, ppe, ppe_pos_bit, 1978cb63eb43SMiri Korenblit inheritance); 1979091296d3SMiri Korenblit } 1980091296d3SMiri Korenblit 1981091296d3SMiri Korenblit static void iwl_mvm_set_pkt_ext_from_nominal_padding(struct iwl_he_pkt_ext_v2 *pkt_ext, 1982091296d3SMiri Korenblit u8 nominal_padding, 1983091296d3SMiri Korenblit u32 *flags) 1984091296d3SMiri Korenblit { 1985091296d3SMiri Korenblit int low_th = -1; 1986091296d3SMiri Korenblit int high_th = -1; 1987091296d3SMiri Korenblit int i; 1988091296d3SMiri Korenblit 1989cb63eb43SMiri Korenblit /* all the macros are the same for EHT and HE */ 1990091296d3SMiri Korenblit switch (nominal_padding) { 1991cb63eb43SMiri Korenblit case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_0US: 1992091296d3SMiri Korenblit low_th = IWL_HE_PKT_EXT_NONE; 1993091296d3SMiri Korenblit high_th = IWL_HE_PKT_EXT_NONE; 1994091296d3SMiri Korenblit break; 1995cb63eb43SMiri Korenblit case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US: 1996091296d3SMiri Korenblit low_th = IWL_HE_PKT_EXT_BPSK; 1997091296d3SMiri Korenblit high_th = IWL_HE_PKT_EXT_NONE; 1998091296d3SMiri Korenblit break; 1999cb63eb43SMiri Korenblit case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US: 2000cb63eb43SMiri Korenblit case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US: 2001091296d3SMiri Korenblit low_th = IWL_HE_PKT_EXT_NONE; 2002091296d3SMiri Korenblit high_th = IWL_HE_PKT_EXT_BPSK; 2003091296d3SMiri Korenblit break; 2004091296d3SMiri Korenblit } 2005091296d3SMiri Korenblit 2006091296d3SMiri Korenblit /* Set the PPE thresholds accordingly */ 2007091296d3SMiri Korenblit if (low_th >= 0 && high_th >= 0) { 2008091296d3SMiri Korenblit for (i = 0; i < MAX_HE_SUPP_NSS; i++) { 2009091296d3SMiri Korenblit u8 bw; 2010091296d3SMiri Korenblit 2011091296d3SMiri Korenblit for (bw = 0; 2012091296d3SMiri Korenblit bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]); 2013091296d3SMiri Korenblit bw++) { 2014091296d3SMiri Korenblit pkt_ext->pkt_ext_qam_th[i][bw][0] = low_th; 2015091296d3SMiri Korenblit pkt_ext->pkt_ext_qam_th[i][bw][1] = high_th; 2016091296d3SMiri Korenblit } 2017091296d3SMiri Korenblit } 2018091296d3SMiri Korenblit 2019091296d3SMiri Korenblit *flags |= STA_CTXT_HE_PACKET_EXT; 2020091296d3SMiri Korenblit } 2021091296d3SMiri Korenblit } 2022091296d3SMiri Korenblit 2023cb63eb43SMiri Korenblit static void iwl_mvm_get_optimal_ppe_info(struct iwl_he_pkt_ext_v2 *pkt_ext, 2024cb63eb43SMiri Korenblit u8 nominal_padding) 2025cb63eb43SMiri Korenblit { 2026cb63eb43SMiri Korenblit int i; 2027cb63eb43SMiri Korenblit 2028cb63eb43SMiri Korenblit for (i = 0; i < MAX_HE_SUPP_NSS; i++) { 2029cb63eb43SMiri Korenblit u8 bw; 2030cb63eb43SMiri Korenblit 2031cb63eb43SMiri Korenblit for (bw = 0; bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]); 2032cb63eb43SMiri Korenblit bw++) { 2033cb63eb43SMiri Korenblit u8 *qam_th = &pkt_ext->pkt_ext_qam_th[i][bw][0]; 2034cb63eb43SMiri Korenblit 2035cb63eb43SMiri Korenblit if (nominal_padding > 2036cb63eb43SMiri Korenblit IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US && 2037cb63eb43SMiri Korenblit qam_th[1] == IWL_HE_PKT_EXT_NONE) 2038cb63eb43SMiri Korenblit qam_th[1] = IWL_HE_PKT_EXT_4096QAM; 2039cb63eb43SMiri Korenblit else if (nominal_padding == 2040cb63eb43SMiri Korenblit IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US && 2041cb63eb43SMiri Korenblit qam_th[0] == IWL_HE_PKT_EXT_NONE && 2042cb63eb43SMiri Korenblit qam_th[1] == IWL_HE_PKT_EXT_NONE) 2043cb63eb43SMiri Korenblit qam_th[0] = IWL_HE_PKT_EXT_4096QAM; 2044cb63eb43SMiri Korenblit } 2045cb63eb43SMiri Korenblit } 2046cb63eb43SMiri Korenblit } 2047cb63eb43SMiri Korenblit 20489c4f15caSMiri Korenblit /* 20499c4f15caSMiri Korenblit * This function sets the MU EDCA parameters ans returns whether MU EDCA 20509c4f15caSMiri Korenblit * is enabled or not 20519c4f15caSMiri Korenblit */ 205255eb1c5fSMiri Korenblit bool iwl_mvm_set_fw_mu_edca_params(struct iwl_mvm *mvm, 20539c4f15caSMiri Korenblit struct iwl_mvm_vif *mvmvif, 205455eb1c5fSMiri Korenblit struct iwl_he_backoff_conf *trig_based_txf) 20559c4f15caSMiri Korenblit { 20569c4f15caSMiri Korenblit int i; 20579c4f15caSMiri Korenblit /* Mark MU EDCA as enabled, unless none detected on some AC */ 20589c4f15caSMiri Korenblit bool mu_edca_enabled = true; 20599c4f15caSMiri Korenblit 20609c4f15caSMiri Korenblit for (i = 0; i < IEEE80211_NUM_ACS; i++) { 20619c4f15caSMiri Korenblit struct ieee80211_he_mu_edca_param_ac_rec *mu_edca = 20629c4f15caSMiri Korenblit &mvmvif->queue_params[i].mu_edca_param_rec; 20639c4f15caSMiri Korenblit u8 ac = iwl_mvm_mac80211_ac_to_ucode_ac(i); 20649c4f15caSMiri Korenblit 20659c4f15caSMiri Korenblit if (!mvmvif->queue_params[i].mu_edca) { 20669c4f15caSMiri Korenblit mu_edca_enabled = false; 20679c4f15caSMiri Korenblit break; 20689c4f15caSMiri Korenblit } 20699c4f15caSMiri Korenblit 20709c4f15caSMiri Korenblit trig_based_txf[ac].cwmin = 20719c4f15caSMiri Korenblit cpu_to_le16(mu_edca->ecw_min_max & 0xf); 20729c4f15caSMiri Korenblit trig_based_txf[ac].cwmax = 20739c4f15caSMiri Korenblit cpu_to_le16((mu_edca->ecw_min_max & 0xf0) >> 4); 20749c4f15caSMiri Korenblit trig_based_txf[ac].aifsn = 20759c4f15caSMiri Korenblit cpu_to_le16(mu_edca->aifsn & 0xf); 20769c4f15caSMiri Korenblit trig_based_txf[ac].mu_time = 20779c4f15caSMiri Korenblit cpu_to_le16(mu_edca->mu_edca_timer); 20789c4f15caSMiri Korenblit } 20799c4f15caSMiri Korenblit 20809c4f15caSMiri Korenblit return mu_edca_enabled; 20819c4f15caSMiri Korenblit } 20829c4f15caSMiri Korenblit 20839be162a7SMiri Korenblit bool iwl_mvm_is_nic_ack_enabled(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 20849c4f15caSMiri Korenblit { 20859c4f15caSMiri Korenblit const struct ieee80211_supported_band *sband; 20869c4f15caSMiri Korenblit const struct ieee80211_sta_he_cap *own_he_cap = NULL; 20879c4f15caSMiri Korenblit 20889c4f15caSMiri Korenblit /* This capability is the same for all bands, 20899c4f15caSMiri Korenblit * so take it from one of them. 20909c4f15caSMiri Korenblit */ 20919c4f15caSMiri Korenblit sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]; 20929c4f15caSMiri Korenblit own_he_cap = ieee80211_get_he_iftype_cap(sband, 20939c4f15caSMiri Korenblit ieee80211_vif_type_p2p(vif)); 20949c4f15caSMiri Korenblit 20959c4f15caSMiri Korenblit return (own_he_cap && (own_he_cap->he_cap_elem.mac_cap_info[2] & 20969c4f15caSMiri Korenblit IEEE80211_HE_MAC_CAP2_ACK_EN)); 20979c4f15caSMiri Korenblit } 20989c4f15caSMiri Korenblit 2099514c3069SLuca Coelho static void iwl_mvm_cfg_he_sta(struct iwl_mvm *mvm, 2100514c3069SLuca Coelho struct ieee80211_vif *vif, u8 sta_id) 2101514c3069SLuca Coelho { 2102514c3069SLuca Coelho struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 210342506dd2SJohannes Berg struct iwl_he_sta_context_cmd_v3 sta_ctxt_cmd = { 2104514c3069SLuca Coelho .sta_id = sta_id, 2105514c3069SLuca Coelho .tid_limit = IWL_MAX_TID_COUNT, 2106dd56e902SJohn Crispin .bss_color = vif->bss_conf.he_bss_color.color, 2107514c3069SLuca Coelho .htc_trig_based_pkt_ext = vif->bss_conf.htc_trig_based_pkt_ext, 2108514c3069SLuca Coelho .frame_time_rts_th = 2109514c3069SLuca Coelho cpu_to_le16(vif->bss_conf.frame_time_rts_th), 2110514c3069SLuca Coelho }; 211142506dd2SJohannes Berg struct iwl_he_sta_context_cmd_v2 sta_ctxt_cmd_v2 = {}; 211242506dd2SJohannes Berg u32 cmd_id = WIDE_ID(DATA_PATH_GROUP, STA_HE_CTXT_CMD); 211342506dd2SJohannes Berg u8 ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, 2); 211442506dd2SJohannes Berg int size; 2115514c3069SLuca Coelho struct ieee80211_sta *sta; 2116514c3069SLuca Coelho u32 flags; 2117514c3069SLuca Coelho int i; 211842506dd2SJohannes Berg void *cmd; 2119cb63eb43SMiri Korenblit u8 nominal_padding; 212042506dd2SJohannes Berg 212142506dd2SJohannes Berg if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_MBSSID_HE)) 212242506dd2SJohannes Berg ver = 1; 212342506dd2SJohannes Berg 212442506dd2SJohannes Berg switch (ver) { 212542506dd2SJohannes Berg case 1: 212642506dd2SJohannes Berg /* same layout as v2 except some data at the end */ 212742506dd2SJohannes Berg cmd = &sta_ctxt_cmd_v2; 212842506dd2SJohannes Berg size = sizeof(struct iwl_he_sta_context_cmd_v1); 212942506dd2SJohannes Berg break; 213042506dd2SJohannes Berg case 2: 213142506dd2SJohannes Berg cmd = &sta_ctxt_cmd_v2; 213242506dd2SJohannes Berg size = sizeof(struct iwl_he_sta_context_cmd_v2); 213342506dd2SJohannes Berg break; 213442506dd2SJohannes Berg case 3: 213542506dd2SJohannes Berg cmd = &sta_ctxt_cmd; 213642506dd2SJohannes Berg size = sizeof(struct iwl_he_sta_context_cmd_v3); 213742506dd2SJohannes Berg break; 213842506dd2SJohannes Berg default: 213942506dd2SJohannes Berg IWL_ERR(mvm, "bad STA_HE_CTXT_CMD version %d\n", ver); 214042506dd2SJohannes Berg return; 214142506dd2SJohannes Berg } 2142514c3069SLuca Coelho 2143514c3069SLuca Coelho rcu_read_lock(); 2144514c3069SLuca Coelho 2145514c3069SLuca Coelho sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_ctxt_cmd.sta_id]); 214612d47f0eSAndrei Otcheretianski if (IS_ERR_OR_NULL(sta)) { 2147514c3069SLuca Coelho rcu_read_unlock(); 2148514c3069SLuca Coelho WARN(1, "Can't find STA to configure HE\n"); 2149514c3069SLuca Coelho return; 2150514c3069SLuca Coelho } 2151514c3069SLuca Coelho 2152046d2e7cSSriram R if (!sta->deflink.he_cap.has_he) { 2153514c3069SLuca Coelho rcu_read_unlock(); 2154514c3069SLuca Coelho return; 2155514c3069SLuca Coelho } 2156514c3069SLuca Coelho 2157514c3069SLuca Coelho flags = 0; 2158514c3069SLuca Coelho 21594f58121dSIlan Peer /* Block 26-tone RU OFDMA transmissions */ 21604f58121dSIlan Peer if (mvmvif->he_ru_2mhz_block) 21614f58121dSIlan Peer flags |= STA_CTXT_HE_RU_2MHZ_BLOCK; 21624f58121dSIlan Peer 2163514c3069SLuca Coelho /* HTC flags */ 2164046d2e7cSSriram R if (sta->deflink.he_cap.he_cap_elem.mac_cap_info[0] & 2165514c3069SLuca Coelho IEEE80211_HE_MAC_CAP0_HTC_HE) 2166514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_SUPPORT); 2167046d2e7cSSriram R if ((sta->deflink.he_cap.he_cap_elem.mac_cap_info[1] & 2168514c3069SLuca Coelho IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION) || 2169046d2e7cSSriram R (sta->deflink.he_cap.he_cap_elem.mac_cap_info[2] & 2170514c3069SLuca Coelho IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION)) { 2171514c3069SLuca Coelho u8 link_adap = 2172046d2e7cSSriram R ((sta->deflink.he_cap.he_cap_elem.mac_cap_info[2] & 2173514c3069SLuca Coelho IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION) << 1) + 2174046d2e7cSSriram R (sta->deflink.he_cap.he_cap_elem.mac_cap_info[1] & 2175514c3069SLuca Coelho IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION); 2176514c3069SLuca Coelho 2177514c3069SLuca Coelho if (link_adap == 2) 2178514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= 2179514c3069SLuca Coelho cpu_to_le32(IWL_HE_HTC_LINK_ADAP_UNSOLICITED); 2180514c3069SLuca Coelho else if (link_adap == 3) 2181514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= 2182514c3069SLuca Coelho cpu_to_le32(IWL_HE_HTC_LINK_ADAP_BOTH); 2183514c3069SLuca Coelho } 2184046d2e7cSSriram R if (sta->deflink.he_cap.he_cap_elem.mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_BSR) 2185514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_BSR_SUPP); 2186046d2e7cSSriram R if (sta->deflink.he_cap.he_cap_elem.mac_cap_info[3] & 2187514c3069SLuca Coelho IEEE80211_HE_MAC_CAP3_OMI_CONTROL) 2188514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_OMI_SUPP); 2189046d2e7cSSriram R if (sta->deflink.he_cap.he_cap_elem.mac_cap_info[4] & IEEE80211_HE_MAC_CAP4_BQR) 2190514c3069SLuca Coelho sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_BQR_SUPP); 2191514c3069SLuca Coelho 2192189b8d44SNaftali Goldstein /* 2193189b8d44SNaftali Goldstein * Initialize the PPE thresholds to "None" (7), as described in Table 2194189b8d44SNaftali Goldstein * 9-262ac of 80211.ax/D3.0. 2195189b8d44SNaftali Goldstein */ 2196091296d3SMiri Korenblit memset(&sta_ctxt_cmd.pkt_ext, IWL_HE_PKT_EXT_NONE, 2197091296d3SMiri Korenblit sizeof(sta_ctxt_cmd.pkt_ext)); 2198189b8d44SNaftali Goldstein 2199cb63eb43SMiri Korenblit if (sta->deflink.eht_cap.has_eht) { 2200cb63eb43SMiri Korenblit nominal_padding = 2201cb63eb43SMiri Korenblit u8_get_bits(sta->deflink.eht_cap.eht_cap_elem.phy_cap_info[5], 2202cb63eb43SMiri Korenblit IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK); 2203cb63eb43SMiri Korenblit 2204cb63eb43SMiri Korenblit /* If PPE Thresholds exists, parse them into a FW-familiar format. */ 2205cb63eb43SMiri Korenblit if (sta->deflink.eht_cap.eht_cap_elem.phy_cap_info[5] & 2206cb63eb43SMiri Korenblit IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) { 2207cb63eb43SMiri Korenblit u8 nss = (sta->deflink.eht_cap.eht_ppe_thres[0] & 2208cb63eb43SMiri Korenblit IEEE80211_EHT_PPE_THRES_NSS_MASK) + 1; 2209cb63eb43SMiri Korenblit u8 *ppe = &sta->deflink.eht_cap.eht_ppe_thres[0]; 2210cb63eb43SMiri Korenblit u8 ru_index_bitmap = 2211cb63eb43SMiri Korenblit u16_get_bits(*ppe, 2212cb63eb43SMiri Korenblit IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK); 2213cb63eb43SMiri Korenblit /* Starting after PPE header */ 2214cb63eb43SMiri Korenblit u8 ppe_pos_bit = IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE; 2215cb63eb43SMiri Korenblit 2216cb63eb43SMiri Korenblit iwl_mvm_parse_ppe(mvm, 2217cb63eb43SMiri Korenblit &sta_ctxt_cmd.pkt_ext, 2218cb63eb43SMiri Korenblit nss, ru_index_bitmap, ppe, 2219cb63eb43SMiri Korenblit ppe_pos_bit, true); 2220cb63eb43SMiri Korenblit flags |= STA_CTXT_HE_PACKET_EXT; 2221cb63eb43SMiri Korenblit /* EHT PPE Thresholds doesn't exist - set the API according to HE PPE Tresholds*/ 2222cb63eb43SMiri Korenblit } else if (sta->deflink.he_cap.he_cap_elem.phy_cap_info[6] & 2223cb63eb43SMiri Korenblit IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 2224cb63eb43SMiri Korenblit struct iwl_he_pkt_ext_v2 *pkt_ext = 2225cb63eb43SMiri Korenblit &sta_ctxt_cmd.pkt_ext; 2226cb63eb43SMiri Korenblit 2227cb63eb43SMiri Korenblit /* 2228cb63eb43SMiri Korenblit * Even though HE Capabilities IE doesn't contain PPE 2229cb63eb43SMiri Korenblit * Thresholds for BW 320Mhz, thresholds for this BW will 2230cb63eb43SMiri Korenblit * be filled in with the same values as 160Mhz, due to 2231cb63eb43SMiri Korenblit * the inheritance, as required. 2232cb63eb43SMiri Korenblit */ 2233cb63eb43SMiri Korenblit iwl_mvm_set_pkt_ext_from_he_ppe(mvm, sta, pkt_ext, 2234cb63eb43SMiri Korenblit true); 2235cb63eb43SMiri Korenblit 2236cb63eb43SMiri Korenblit /* 2237cb63eb43SMiri Korenblit * According to the requirements, for MCSs 12-13 the maximum value between 2238cb63eb43SMiri Korenblit * HE PPE Threshold and Common Nominal Packet Padding needs to be taken 2239cb63eb43SMiri Korenblit */ 2240cb63eb43SMiri Korenblit iwl_mvm_get_optimal_ppe_info(pkt_ext, nominal_padding); 2241cb63eb43SMiri Korenblit 2242cb63eb43SMiri Korenblit flags |= STA_CTXT_HE_PACKET_EXT; 2243cb63eb43SMiri Korenblit 2244cb63eb43SMiri Korenblit /* 2245cb63eb43SMiri Korenblit * if PPE Thresholds doesn't present in both EHT IE and HE IE - 2246cb63eb43SMiri Korenblit * take the Thresholds from Common Nominal Packet Padding field 2247cb63eb43SMiri Korenblit */ 2248cb63eb43SMiri Korenblit } else { 2249cb63eb43SMiri Korenblit iwl_mvm_set_pkt_ext_from_nominal_padding(&sta_ctxt_cmd.pkt_ext, 2250cb63eb43SMiri Korenblit nominal_padding, 2251cb63eb43SMiri Korenblit &flags); 2252cb63eb43SMiri Korenblit } 2253cb63eb43SMiri Korenblit } else if (sta->deflink.he_cap.has_he) { 2254189b8d44SNaftali Goldstein /* If PPE Thresholds exist, parse them into a FW-familiar format. */ 2255046d2e7cSSriram R if (sta->deflink.he_cap.he_cap_elem.phy_cap_info[6] & 2256514c3069SLuca Coelho IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 2257091296d3SMiri Korenblit iwl_mvm_set_pkt_ext_from_he_ppe(mvm, sta, 2258cb63eb43SMiri Korenblit &sta_ctxt_cmd.pkt_ext, 2259cb63eb43SMiri Korenblit false); 2260514c3069SLuca Coelho flags |= STA_CTXT_HE_PACKET_EXT; 2261cb63eb43SMiri Korenblit /* 2262cb63eb43SMiri Korenblit * PPE Thresholds doesn't exist - set the API PPE values 2263cb63eb43SMiri Korenblit * according to Common Nominal Packet Padding field. 2264cb63eb43SMiri Korenblit */ 2265091296d3SMiri Korenblit } else { 2266cb63eb43SMiri Korenblit nominal_padding = 2267046d2e7cSSriram R u8_get_bits(sta->deflink.he_cap.he_cap_elem.phy_cap_info[9], 2268091296d3SMiri Korenblit IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK); 2269091296d3SMiri Korenblit if (nominal_padding != IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_RESERVED) 2270091296d3SMiri Korenblit iwl_mvm_set_pkt_ext_from_nominal_padding(&sta_ctxt_cmd.pkt_ext, 2271091296d3SMiri Korenblit nominal_padding, 2272091296d3SMiri Korenblit &flags); 2273514c3069SLuca Coelho } 2274cb63eb43SMiri Korenblit } 2275cb63eb43SMiri Korenblit 2276cb63eb43SMiri Korenblit for (i = 0; i < MAX_HE_SUPP_NSS; i++) { 2277cb63eb43SMiri Korenblit int bw; 2278cb63eb43SMiri Korenblit 2279cb63eb43SMiri Korenblit for (bw = 0; 2280cb63eb43SMiri Korenblit bw < ARRAY_SIZE(sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i]); 2281cb63eb43SMiri Korenblit bw++) { 2282cb63eb43SMiri Korenblit u8 *qam_th = 2283cb63eb43SMiri Korenblit &sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw][0]; 2284cb63eb43SMiri Korenblit 2285cb63eb43SMiri Korenblit IWL_DEBUG_HT(mvm, 2286cb63eb43SMiri Korenblit "PPE table: nss[%d] bw[%d] PPET8 = %d, PPET16 = %d\n", 2287cb63eb43SMiri Korenblit i, bw, qam_th[0], qam_th[1]); 2288cb63eb43SMiri Korenblit } 2289cb63eb43SMiri Korenblit } 229073f23d91SShaul Triebitz 2291046d2e7cSSriram R if (sta->deflink.he_cap.he_cap_elem.mac_cap_info[2] & 229273f23d91SShaul Triebitz IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP) 229373f23d91SShaul Triebitz flags |= STA_CTXT_HE_32BIT_BA_BITMAP; 229473f23d91SShaul Triebitz 2295046d2e7cSSriram R if (sta->deflink.he_cap.he_cap_elem.mac_cap_info[2] & 229673f23d91SShaul Triebitz IEEE80211_HE_MAC_CAP2_ACK_EN) 229773f23d91SShaul Triebitz flags |= STA_CTXT_HE_ACK_ENABLED; 229873f23d91SShaul Triebitz 2299514c3069SLuca Coelho rcu_read_unlock(); 2300514c3069SLuca Coelho 23019c4f15caSMiri Korenblit if (iwl_mvm_set_fw_mu_edca_params(mvm, mvmvif, 23029c4f15caSMiri Korenblit &sta_ctxt_cmd.trig_based_txf[0])) 2303514c3069SLuca Coelho flags |= STA_CTXT_HE_MU_EDCA_CW; 2304514c3069SLuca Coelho 2305514c3069SLuca Coelho if (vif->bss_conf.uora_exists) { 2306514c3069SLuca Coelho flags |= STA_CTXT_HE_TRIG_RND_ALLOC; 2307514c3069SLuca Coelho 2308514c3069SLuca Coelho sta_ctxt_cmd.rand_alloc_ecwmin = 2309514c3069SLuca Coelho vif->bss_conf.uora_ocw_range & 0x7; 2310514c3069SLuca Coelho sta_ctxt_cmd.rand_alloc_ecwmax = 2311514c3069SLuca Coelho (vif->bss_conf.uora_ocw_range >> 3) & 0x7; 2312514c3069SLuca Coelho } 2313514c3069SLuca Coelho 23149c4f15caSMiri Korenblit if (!iwl_mvm_is_nic_ack_enabled(mvm, vif)) 2315ee1a02d7SShaul Triebitz flags |= STA_CTXT_HE_NIC_NOT_ACK_ENABLED; 2316ee1a02d7SShaul Triebitz 2317918cbf39SSara Sharon if (vif->bss_conf.nontransmitted) { 2318918cbf39SSara Sharon flags |= STA_CTXT_HE_REF_BSSID_VALID; 2319918cbf39SSara Sharon ether_addr_copy(sta_ctxt_cmd.ref_bssid_addr, 2320918cbf39SSara Sharon vif->bss_conf.transmitter_bssid); 2321d14ae796SSara Sharon sta_ctxt_cmd.max_bssid_indicator = 2322d14ae796SSara Sharon vif->bss_conf.bssid_indicator; 2323d14ae796SSara Sharon sta_ctxt_cmd.bssid_index = vif->bss_conf.bssid_index; 2324d14ae796SSara Sharon sta_ctxt_cmd.ema_ap = vif->bss_conf.ema_ap; 2325d14ae796SSara Sharon sta_ctxt_cmd.profile_periodicity = 2326d14ae796SSara Sharon vif->bss_conf.profile_periodicity; 2327918cbf39SSara Sharon } 2328514c3069SLuca Coelho 2329514c3069SLuca Coelho sta_ctxt_cmd.flags = cpu_to_le32(flags); 2330514c3069SLuca Coelho 233142506dd2SJohannes Berg if (ver < 3) { 233242506dd2SJohannes Berg /* fields before pkt_ext */ 233342506dd2SJohannes Berg BUILD_BUG_ON(offsetof(typeof(sta_ctxt_cmd), pkt_ext) != 233442506dd2SJohannes Berg offsetof(typeof(sta_ctxt_cmd_v2), pkt_ext)); 233542506dd2SJohannes Berg memcpy(&sta_ctxt_cmd_v2, &sta_ctxt_cmd, 233642506dd2SJohannes Berg offsetof(typeof(sta_ctxt_cmd), pkt_ext)); 233742506dd2SJohannes Berg 233842506dd2SJohannes Berg /* pkt_ext */ 233942506dd2SJohannes Berg for (i = 0; 234042506dd2SJohannes Berg i < ARRAY_SIZE(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th); 234142506dd2SJohannes Berg i++) { 234242506dd2SJohannes Berg u8 bw; 234342506dd2SJohannes Berg 234442506dd2SJohannes Berg for (bw = 0; 234542506dd2SJohannes Berg bw < ARRAY_SIZE(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i]); 234642506dd2SJohannes Berg bw++) { 234742506dd2SJohannes Berg BUILD_BUG_ON(sizeof(sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw]) != 234842506dd2SJohannes Berg sizeof(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i][bw])); 234942506dd2SJohannes Berg 235042506dd2SJohannes Berg memcpy(&sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i][bw], 235142506dd2SJohannes Berg &sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw], 235242506dd2SJohannes Berg sizeof(sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw])); 235342506dd2SJohannes Berg } 235442506dd2SJohannes Berg } 235542506dd2SJohannes Berg 235642506dd2SJohannes Berg /* fields after pkt_ext */ 235742506dd2SJohannes Berg BUILD_BUG_ON(sizeof(sta_ctxt_cmd) - 235842506dd2SJohannes Berg offsetofend(typeof(sta_ctxt_cmd), pkt_ext) != 235942506dd2SJohannes Berg sizeof(sta_ctxt_cmd_v2) - 236042506dd2SJohannes Berg offsetofend(typeof(sta_ctxt_cmd_v2), pkt_ext)); 236142506dd2SJohannes Berg memcpy((u8 *)&sta_ctxt_cmd_v2 + 236242506dd2SJohannes Berg offsetofend(typeof(sta_ctxt_cmd_v2), pkt_ext), 236342506dd2SJohannes Berg (u8 *)&sta_ctxt_cmd + 236442506dd2SJohannes Berg offsetofend(typeof(sta_ctxt_cmd), pkt_ext), 236542506dd2SJohannes Berg sizeof(sta_ctxt_cmd) - 236642506dd2SJohannes Berg offsetofend(typeof(sta_ctxt_cmd), pkt_ext)); 236742506dd2SJohannes Berg sta_ctxt_cmd_v2.reserved3 = 0; 236842506dd2SJohannes Berg } 236942506dd2SJohannes Berg 237042506dd2SJohannes Berg if (iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, size, cmd)) 2371514c3069SLuca Coelho IWL_ERR(mvm, "Failed to config FW to work HE!\n"); 2372514c3069SLuca Coelho } 2373514c3069SLuca Coelho 2374af84ac57SJohannes Berg static void iwl_mvm_protect_assoc(struct iwl_mvm *mvm, 2375af84ac57SJohannes Berg struct ieee80211_vif *vif, 2376af84ac57SJohannes Berg u32 duration_override) 2377af84ac57SJohannes Berg { 2378af84ac57SJohannes Berg u32 duration = IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS; 2379af84ac57SJohannes Berg u32 min_duration = IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS; 2380af84ac57SJohannes Berg 2381af84ac57SJohannes Berg if (duration_override > duration) 2382af84ac57SJohannes Berg duration = duration_override; 2383af84ac57SJohannes Berg 2384af84ac57SJohannes Berg /* Try really hard to protect the session and hear a beacon 2385af84ac57SJohannes Berg * The new session protection command allows us to protect the 2386af84ac57SJohannes Berg * session for a much longer time since the firmware will internally 2387af84ac57SJohannes Berg * create two events: a 300TU one with a very high priority that 2388af84ac57SJohannes Berg * won't be fragmented which should be enough for 99% of the cases, 2389af84ac57SJohannes Berg * and another one (which we configure here to be 900TU long) which 2390af84ac57SJohannes Berg * will have a slightly lower priority, but more importantly, can be 2391af84ac57SJohannes Berg * fragmented so that it'll allow other activities to run. 2392af84ac57SJohannes Berg */ 2393af84ac57SJohannes Berg if (fw_has_capa(&mvm->fw->ucode_capa, 2394af84ac57SJohannes Berg IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) 2395af84ac57SJohannes Berg iwl_mvm_schedule_session_protection(mvm, vif, 900, 2396af84ac57SJohannes Berg min_duration, false); 2397af84ac57SJohannes Berg else 2398af84ac57SJohannes Berg iwl_mvm_protect_session(mvm, vif, duration, 2399af84ac57SJohannes Berg min_duration, 500, false); 2400af84ac57SJohannes Berg } 2401af84ac57SJohannes Berg 2402e705c121SKalle Valo static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, 2403e705c121SKalle Valo struct ieee80211_vif *vif, 2404e705c121SKalle Valo struct ieee80211_bss_conf *bss_conf, 24057b7090b4SJohannes Berg u64 changes) 2406e705c121SKalle Valo { 2407e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2408e705c121SKalle Valo int ret; 2409e705c121SKalle Valo 2410e705c121SKalle Valo /* 2411cdaba917SEmmanuel Grumbach * Re-calculate the tsf id, as the leader-follower relations depend 2412cdaba917SEmmanuel Grumbach * on the beacon interval, which was not known when the station 2413cdaba917SEmmanuel Grumbach * interface was added. 2414e705c121SKalle Valo */ 2415f276e20bSJohannes Berg if (changes & BSS_CHANGED_ASSOC && vif->cfg.assoc) { 2416cb63eb43SMiri Korenblit if ((vif->bss_conf.he_support && 2417cb63eb43SMiri Korenblit !iwlwifi_mod_params.disable_11ax) || 2418cb63eb43SMiri Korenblit (vif->bss_conf.eht_support && 2419cb63eb43SMiri Korenblit !iwlwifi_mod_params.disable_11be)) 2420514c3069SLuca Coelho iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->ap_sta_id); 2421514c3069SLuca Coelho 2422e705c121SKalle Valo iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); 2423514c3069SLuca Coelho } 2424e705c121SKalle Valo 242540ecdd01SShaul Triebitz /* Update MU EDCA params */ 242640ecdd01SShaul Triebitz if (changes & BSS_CHANGED_QOS && mvmvif->associated && 2427cb63eb43SMiri Korenblit vif->cfg.assoc && 2428cb63eb43SMiri Korenblit ((vif->bss_conf.he_support && 2429cb63eb43SMiri Korenblit !iwlwifi_mod_params.disable_11ax) || 2430cb63eb43SMiri Korenblit (vif->bss_conf.eht_support && 2431cb63eb43SMiri Korenblit !iwlwifi_mod_params.disable_11be))) 243240ecdd01SShaul Triebitz iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->ap_sta_id); 243340ecdd01SShaul Triebitz 2434e705c121SKalle Valo /* 2435e705c121SKalle Valo * If we're not associated yet, take the (new) BSSID before associating 2436e705c121SKalle Valo * so the firmware knows. If we're already associated, then use the old 2437e705c121SKalle Valo * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC 2438e705c121SKalle Valo * branch for disassociation below. 2439e705c121SKalle Valo */ 2440e705c121SKalle Valo if (changes & BSS_CHANGED_BSSID && !mvmvif->associated) 2441e705c121SKalle Valo memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN); 2442e705c121SKalle Valo 2443e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, mvmvif->bssid); 2444e705c121SKalle Valo if (ret) 2445e705c121SKalle Valo IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); 2446e705c121SKalle Valo 2447e705c121SKalle Valo /* after sending it once, adopt mac80211 data */ 2448e705c121SKalle Valo memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN); 2449f276e20bSJohannes Berg mvmvif->associated = vif->cfg.assoc; 2450e705c121SKalle Valo 2451e705c121SKalle Valo if (changes & BSS_CHANGED_ASSOC) { 2452f276e20bSJohannes Berg if (vif->cfg.assoc) { 2453e705c121SKalle Valo /* clear statistics to get clean beacon counter */ 2454e705c121SKalle Valo iwl_mvm_request_statistics(mvm, true); 2455e705c121SKalle Valo memset(&mvmvif->beacon_stats, 0, 2456e705c121SKalle Valo sizeof(mvmvif->beacon_stats)); 2457e705c121SKalle Valo 2458e705c121SKalle Valo /* add quota for this interface */ 2459e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, true, NULL); 2460e705c121SKalle Valo if (ret) { 2461e705c121SKalle Valo IWL_ERR(mvm, "failed to update quotas\n"); 2462e705c121SKalle Valo return; 2463e705c121SKalle Valo } 2464e705c121SKalle Valo 2465e705c121SKalle Valo if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 2466fe959c7bSEmmanuel Grumbach &mvm->status) && 2467fe959c7bSEmmanuel Grumbach !fw_has_capa(&mvm->fw->ucode_capa, 2468fe959c7bSEmmanuel Grumbach IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) { 2469e705c121SKalle Valo /* 2470e705c121SKalle Valo * If we're restarting then the firmware will 2471e705c121SKalle Valo * obviously have lost synchronisation with 2472e705c121SKalle Valo * the AP. It will attempt to synchronise by 2473e705c121SKalle Valo * itself, but we can make it more reliable by 2474e705c121SKalle Valo * scheduling a session protection time event. 2475e705c121SKalle Valo * 2476e705c121SKalle Valo * The firmware needs to receive a beacon to 2477e705c121SKalle Valo * catch up with synchronisation, use 110% of 2478e705c121SKalle Valo * the beacon interval. 2479e705c121SKalle Valo * 2480e705c121SKalle Valo * Set a large maximum delay to allow for more 2481e705c121SKalle Valo * than a single interface. 2482fe959c7bSEmmanuel Grumbach * 2483fe959c7bSEmmanuel Grumbach * For new firmware versions, rely on the 2484fe959c7bSEmmanuel Grumbach * firmware. This is relevant for DCM scenarios 2485fe959c7bSEmmanuel Grumbach * only anyway. 2486e705c121SKalle Valo */ 2487e705c121SKalle Valo u32 dur = (11 * vif->bss_conf.beacon_int) / 10; 2488e705c121SKalle Valo iwl_mvm_protect_session(mvm, vif, dur, dur, 2489e705c121SKalle Valo 5 * dur, false); 2490af84ac57SJohannes Berg } else if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 2491af84ac57SJohannes Berg &mvm->status) && 2492af84ac57SJohannes Berg !vif->bss_conf.dtim_period) { 2493af84ac57SJohannes Berg /* 2494af84ac57SJohannes Berg * If we're not restarting and still haven't 2495af84ac57SJohannes Berg * heard a beacon (dtim period unknown) then 2496af84ac57SJohannes Berg * make sure we still have enough minimum time 2497af84ac57SJohannes Berg * remaining in the time event, since the auth 2498af84ac57SJohannes Berg * might actually have taken quite a while 2499af84ac57SJohannes Berg * (especially for SAE) and so the remaining 2500af84ac57SJohannes Berg * time could be small without us having heard 2501af84ac57SJohannes Berg * a beacon yet. 2502af84ac57SJohannes Berg */ 2503af84ac57SJohannes Berg iwl_mvm_protect_assoc(mvm, vif, 0); 2504e705c121SKalle Valo } 2505e705c121SKalle Valo 2506e705c121SKalle Valo iwl_mvm_sf_update(mvm, vif, false); 2507e705c121SKalle Valo iwl_mvm_power_vif_assoc(mvm, vif); 2508e705c121SKalle Valo if (vif->p2p) { 2509e705c121SKalle Valo iwl_mvm_update_smps(mvm, vif, 2510e705c121SKalle Valo IWL_MVM_SMPS_REQ_PROT, 2511e705c121SKalle Valo IEEE80211_SMPS_DYNAMIC); 2512e705c121SKalle Valo } 25130ae98812SSara Sharon } else if (mvmvif->ap_sta_id != IWL_MVM_INVALID_STA) { 25146d19a5ebSEmmanuel Grumbach iwl_mvm_mei_host_disassociated(mvm); 2515e705c121SKalle Valo /* 2516e705c121SKalle Valo * If update fails - SF might be running in associated 2517e705c121SKalle Valo * mode while disassociated - which is forbidden. 2518e705c121SKalle Valo */ 251969e508b4SIlan Peer ret = iwl_mvm_sf_update(mvm, vif, false); 252069e508b4SIlan Peer WARN_ONCE(ret && 252169e508b4SIlan Peer !test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 252269e508b4SIlan Peer &mvm->status), 2523e705c121SKalle Valo "Failed to update SF upon disassociation\n"); 2524e705c121SKalle Valo 25256b28f978SEmmanuel Grumbach /* 25266b28f978SEmmanuel Grumbach * If we get an assert during the connection (after the 25276b28f978SEmmanuel Grumbach * station has been added, but before the vif is set 25286b28f978SEmmanuel Grumbach * to associated), mac80211 will re-add the station and 25296b28f978SEmmanuel Grumbach * then configure the vif. Since the vif is not 25306b28f978SEmmanuel Grumbach * associated, we would remove the station here and 25316b28f978SEmmanuel Grumbach * this would fail the recovery. 25326b28f978SEmmanuel Grumbach */ 25336b28f978SEmmanuel Grumbach if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 25346b28f978SEmmanuel Grumbach &mvm->status)) { 25355c75a208SJohannes Berg /* first remove remaining keys */ 25365c75a208SJohannes Berg iwl_mvm_sec_key_remove_ap(mvm, vif); 25375c75a208SJohannes Berg 25386b28f978SEmmanuel Grumbach /* 25396b28f978SEmmanuel Grumbach * Remove AP station now that 25406b28f978SEmmanuel Grumbach * the MAC is unassoc 25416b28f978SEmmanuel Grumbach */ 25426b28f978SEmmanuel Grumbach ret = iwl_mvm_rm_sta_id(mvm, vif, 25436b28f978SEmmanuel Grumbach mvmvif->ap_sta_id); 2544e705c121SKalle Valo if (ret) 25456b28f978SEmmanuel Grumbach IWL_ERR(mvm, 25466b28f978SEmmanuel Grumbach "failed to remove AP station\n"); 2547e705c121SKalle Valo 25480ae98812SSara Sharon mvmvif->ap_sta_id = IWL_MVM_INVALID_STA; 25496b28f978SEmmanuel Grumbach } 25506b28f978SEmmanuel Grumbach 2551e705c121SKalle Valo /* remove quota for this interface */ 2552e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, false, NULL); 2553e705c121SKalle Valo if (ret) 2554e705c121SKalle Valo IWL_ERR(mvm, "failed to update quotas\n"); 2555e705c121SKalle Valo 2556e705c121SKalle Valo /* this will take the cleared BSSID from bss_conf */ 2557e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 2558e705c121SKalle Valo if (ret) 2559e705c121SKalle Valo IWL_ERR(mvm, 2560e705c121SKalle Valo "failed to update MAC %pM (clear after unassoc)\n", 2561e705c121SKalle Valo vif->addr); 2562e705c121SKalle Valo } 2563e705c121SKalle Valo 2564a07a8f37SSara Sharon /* 2565a07a8f37SSara Sharon * The firmware tracks the MU-MIMO group on its own. 2566f92659a1SSara Sharon * However, on HW restart we should restore this data. 2567a07a8f37SSara Sharon */ 2568a07a8f37SSara Sharon if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 2569d0a9123eSJohannes Berg (changes & BSS_CHANGED_MU_GROUPS) && vif->bss_conf.mu_mimo_owner) { 2570a07a8f37SSara Sharon ret = iwl_mvm_update_mu_groups(mvm, vif); 2571a07a8f37SSara Sharon if (ret) 2572a07a8f37SSara Sharon IWL_ERR(mvm, 2573a07a8f37SSara Sharon "failed to update VHT MU_MIMO groups\n"); 2574a07a8f37SSara Sharon } 2575a07a8f37SSara Sharon 2576e705c121SKalle Valo iwl_mvm_recalc_multicast(mvm); 2577e705c121SKalle Valo 2578e705c121SKalle Valo /* reset rssi values */ 2579e705c121SKalle Valo mvmvif->bf_data.ave_beacon_signal = 0; 2580e705c121SKalle Valo 2581e705c121SKalle Valo iwl_mvm_bt_coex_vif_change(mvm); 2582e705c121SKalle Valo iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_TT, 2583e705c121SKalle Valo IEEE80211_SMPS_AUTOMATIC); 2584355346baSAvraham Stern if (fw_has_capa(&mvm->fw->ucode_capa, 2585355346baSAvraham Stern IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 2586355346baSAvraham Stern iwl_mvm_config_scan(mvm); 2587b45242c9SAvraham Stern } 2588b45242c9SAvraham Stern 2589b45242c9SAvraham Stern if (changes & BSS_CHANGED_BEACON_INFO) { 2590e705c121SKalle Valo /* 2591b45242c9SAvraham Stern * We received a beacon from the associated AP so 2592e705c121SKalle Valo * remove the session protection. 2593e705c121SKalle Valo */ 25943edfb5f4SAvraham Stern iwl_mvm_stop_session_protection(mvm, vif); 2595e705c121SKalle Valo 2596e705c121SKalle Valo iwl_mvm_sf_update(mvm, vif, false); 2597e705c121SKalle Valo WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0)); 2598e705c121SKalle Valo } 2599e705c121SKalle Valo 2600283115fbSAvri Altman if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS | 2601283115fbSAvri Altman /* 2602283115fbSAvri Altman * Send power command on every beacon change, 2603283115fbSAvri Altman * because we may have not enabled beacon abort yet. 2604283115fbSAvri Altman */ 2605283115fbSAvri Altman BSS_CHANGED_BEACON_INFO)) { 2606e705c121SKalle Valo ret = iwl_mvm_power_update_mac(mvm); 2607e705c121SKalle Valo if (ret) 2608e705c121SKalle Valo IWL_ERR(mvm, "failed to update power mode\n"); 2609e705c121SKalle Valo } 2610e705c121SKalle Valo 2611e705c121SKalle Valo if (changes & BSS_CHANGED_CQM) { 2612e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "cqm info_changed\n"); 2613e705c121SKalle Valo /* reset cqm events tracking */ 2614e705c121SKalle Valo mvmvif->bf_data.last_cqm_event = 0; 2615e705c121SKalle Valo if (mvmvif->bf_data.bf_enabled) { 2616e705c121SKalle Valo ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0); 2617e705c121SKalle Valo if (ret) 2618e705c121SKalle Valo IWL_ERR(mvm, 2619e705c121SKalle Valo "failed to update CQM thresholds\n"); 2620e705c121SKalle Valo } 2621e705c121SKalle Valo } 2622e705c121SKalle Valo 2623de34d1c1SJohannes Berg if (changes & BSS_CHANGED_BANDWIDTH) 2624de34d1c1SJohannes Berg iwl_mvm_apply_fw_smps_request(vif); 2625e705c121SKalle Valo } 2626e705c121SKalle Valo 2627e705c121SKalle Valo static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw, 2628ae7ba17bSShaul Triebitz struct ieee80211_vif *vif, 2629b327c84cSGregory Greenman struct ieee80211_bss_conf *link_conf) 2630e705c121SKalle Valo { 2631e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2632e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2633c56e00a3SJohannes Berg int ret, i; 2634e705c121SKalle Valo 2635e705c121SKalle Valo mutex_lock(&mvm->mutex); 2636e705c121SKalle Valo 2637e705c121SKalle Valo /* Send the beacon template */ 2638e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif); 2639e705c121SKalle Valo if (ret) 2640e705c121SKalle Valo goto out_unlock; 2641e705c121SKalle Valo 2642e705c121SKalle Valo /* 2643cdaba917SEmmanuel Grumbach * Re-calculate the tsf id, as the leader-follower relations depend on 2644cdaba917SEmmanuel Grumbach * the beacon interval, which was not known when the AP interface 2645cdaba917SEmmanuel Grumbach * was added. 2646e705c121SKalle Valo */ 2647e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP) 2648e705c121SKalle Valo iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); 2649e705c121SKalle Valo 2650e705c121SKalle Valo mvmvif->ap_assoc_sta_count = 0; 2651e705c121SKalle Valo 2652e705c121SKalle Valo /* Add the mac context */ 2653e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_add(mvm, vif); 2654e705c121SKalle Valo if (ret) 2655e705c121SKalle Valo goto out_unlock; 2656e705c121SKalle Valo 2657e705c121SKalle Valo /* Perform the binding */ 2658e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 2659e705c121SKalle Valo if (ret) 2660e705c121SKalle Valo goto out_remove; 2661e705c121SKalle Valo 266263dd5d02SSara Sharon /* 266363dd5d02SSara Sharon * This is not very nice, but the simplest: 266463dd5d02SSara Sharon * For older FWs adding the mcast sta before the bcast station may 266563dd5d02SSara Sharon * cause assert 0x2b00. 266663dd5d02SSara Sharon * This is fixed in later FW so make the order of removal depend on 266763dd5d02SSara Sharon * the TLV 266863dd5d02SSara Sharon */ 266963dd5d02SSara Sharon if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) { 2670ced19f26SSara Sharon ret = iwl_mvm_add_mcast_sta(mvm, vif); 2671ced19f26SSara Sharon if (ret) 2672ced19f26SSara Sharon goto out_unbind; 267363dd5d02SSara Sharon /* 267463dd5d02SSara Sharon * Send the bcast station. At this stage the TBTT and DTIM time 267563dd5d02SSara Sharon * events are added and applied to the scheduler 267663dd5d02SSara Sharon */ 2677e705c121SKalle Valo ret = iwl_mvm_send_add_bcast_sta(mvm, vif); 267863dd5d02SSara Sharon if (ret) { 267963dd5d02SSara Sharon iwl_mvm_rm_mcast_sta(mvm, vif); 268063dd5d02SSara Sharon goto out_unbind; 268163dd5d02SSara Sharon } 268263dd5d02SSara Sharon } else { 268363dd5d02SSara Sharon /* 268463dd5d02SSara Sharon * Send the bcast station. At this stage the TBTT and DTIM time 268563dd5d02SSara Sharon * events are added and applied to the scheduler 268663dd5d02SSara Sharon */ 268775fd4fecSJohannes Berg ret = iwl_mvm_send_add_bcast_sta(mvm, vif); 2688e705c121SKalle Valo if (ret) 268963dd5d02SSara Sharon goto out_unbind; 269075fd4fecSJohannes Berg ret = iwl_mvm_add_mcast_sta(mvm, vif); 269163dd5d02SSara Sharon if (ret) { 269263dd5d02SSara Sharon iwl_mvm_send_rm_bcast_sta(mvm, vif); 269363dd5d02SSara Sharon goto out_unbind; 269463dd5d02SSara Sharon } 269563dd5d02SSara Sharon } 269626d6c16bSSara Sharon 2697e705c121SKalle Valo /* must be set before quota calculations */ 2698e705c121SKalle Valo mvmvif->ap_ibss_active = true; 2699e705c121SKalle Valo 2700c56e00a3SJohannes Berg /* send all the early keys to the device now */ 2701c56e00a3SJohannes Berg for (i = 0; i < ARRAY_SIZE(mvmvif->ap_early_keys); i++) { 2702c56e00a3SJohannes Berg struct ieee80211_key_conf *key = mvmvif->ap_early_keys[i]; 2703c56e00a3SJohannes Berg 2704c56e00a3SJohannes Berg if (!key) 2705c56e00a3SJohannes Berg continue; 2706c56e00a3SJohannes Berg 2707c56e00a3SJohannes Berg mvmvif->ap_early_keys[i] = NULL; 2708c56e00a3SJohannes Berg 27096569e7d3SJohannes Berg ret = __iwl_mvm_mac_set_key(hw, SET_KEY, vif, NULL, key); 2710c56e00a3SJohannes Berg if (ret) 2711c56e00a3SJohannes Berg goto out_quota_failed; 2712c56e00a3SJohannes Berg } 2713c56e00a3SJohannes Berg 271447242744STova Mussai if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { 271547242744STova Mussai iwl_mvm_vif_set_low_latency(mvmvif, true, 271647242744STova Mussai LOW_LATENCY_VIF_TYPE); 271747242744STova Mussai iwl_mvm_send_low_latency_cmd(mvm, true, mvmvif->id); 271847242744STova Mussai } 271947242744STova Mussai 2720e705c121SKalle Valo /* power updated needs to be done before quotas */ 2721e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 2722e705c121SKalle Valo 2723e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, false, NULL); 2724e705c121SKalle Valo if (ret) 2725e705c121SKalle Valo goto out_quota_failed; 2726e705c121SKalle Valo 2727e705c121SKalle Valo /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ 2728e705c121SKalle Valo if (vif->p2p && mvm->p2p_device_vif) 2729e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); 2730e705c121SKalle Valo 2731e705c121SKalle Valo iwl_mvm_bt_coex_vif_change(mvm); 2732e705c121SKalle Valo 2733e705c121SKalle Valo /* we don't support TDLS during DCM */ 2734e705c121SKalle Valo if (iwl_mvm_phy_ctx_count(mvm) > 1) 2735e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 2736e705c121SKalle Valo 2737b73f9a4aSJohannes Berg iwl_mvm_ftm_restart_responder(mvm, vif); 2738b73f9a4aSJohannes Berg 2739e705c121SKalle Valo goto out_unlock; 2740e705c121SKalle Valo 2741e705c121SKalle Valo out_quota_failed: 2742e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 2743e705c121SKalle Valo mvmvif->ap_ibss_active = false; 2744e705c121SKalle Valo iwl_mvm_send_rm_bcast_sta(mvm, vif); 2745ced19f26SSara Sharon iwl_mvm_rm_mcast_sta(mvm, vif); 2746e705c121SKalle Valo out_unbind: 2747e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 2748e705c121SKalle Valo out_remove: 2749e705c121SKalle Valo iwl_mvm_mac_ctxt_remove(mvm, vif); 2750e705c121SKalle Valo out_unlock: 2751e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2752e705c121SKalle Valo return ret; 2753e705c121SKalle Valo } 2754e705c121SKalle Valo 2755ae7ba17bSShaul Triebitz static int iwl_mvm_start_ap(struct ieee80211_hw *hw, 2756ae7ba17bSShaul Triebitz struct ieee80211_vif *vif, 2757b327c84cSGregory Greenman struct ieee80211_bss_conf *link_conf) 2758ae7ba17bSShaul Triebitz { 2759b327c84cSGregory Greenman return iwl_mvm_start_ap_ibss(hw, vif, link_conf); 2760ae7ba17bSShaul Triebitz } 2761ae7ba17bSShaul Triebitz 2762ae7ba17bSShaul Triebitz static int iwl_mvm_start_ibss(struct ieee80211_hw *hw, 2763e705c121SKalle Valo struct ieee80211_vif *vif) 2764e705c121SKalle Valo { 2765b327c84cSGregory Greenman return iwl_mvm_start_ap_ibss(hw, vif, &vif->bss_conf); 2766ae7ba17bSShaul Triebitz } 2767ae7ba17bSShaul Triebitz 2768ae7ba17bSShaul Triebitz static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw, 2769ae7ba17bSShaul Triebitz struct ieee80211_vif *vif, 2770b327c84cSGregory Greenman struct ieee80211_bss_conf *link_conf) 2771ae7ba17bSShaul Triebitz { 2772e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2773e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2774e705c121SKalle Valo 2775e705c121SKalle Valo iwl_mvm_prepare_mac_removal(mvm, vif); 2776e705c121SKalle Valo 2777e705c121SKalle Valo mutex_lock(&mvm->mutex); 2778e705c121SKalle Valo 2779e705c121SKalle Valo /* Handle AP stop while in CSA */ 2780e705c121SKalle Valo if (rcu_access_pointer(mvm->csa_vif) == vif) { 2781e705c121SKalle Valo iwl_mvm_remove_time_event(mvm, mvmvif, 2782e705c121SKalle Valo &mvmvif->time_event_data); 2783e705c121SKalle Valo RCU_INIT_POINTER(mvm->csa_vif, NULL); 2784e705c121SKalle Valo mvmvif->csa_countdown = false; 2785e705c121SKalle Valo } 2786e705c121SKalle Valo 2787e705c121SKalle Valo if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) { 2788e705c121SKalle Valo RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); 2789e705c121SKalle Valo mvm->csa_tx_block_bcn_timeout = 0; 2790e705c121SKalle Valo } 2791e705c121SKalle Valo 2792e705c121SKalle Valo mvmvif->ap_ibss_active = false; 2793e705c121SKalle Valo mvm->ap_last_beacon_gp2 = 0; 2794e705c121SKalle Valo 279547242744STova Mussai if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { 279647242744STova Mussai iwl_mvm_vif_set_low_latency(mvmvif, false, 279747242744STova Mussai LOW_LATENCY_VIF_TYPE); 279847242744STova Mussai iwl_mvm_send_low_latency_cmd(mvm, false, mvmvif->id); 279947242744STova Mussai } 280047242744STova Mussai 2801e705c121SKalle Valo iwl_mvm_bt_coex_vif_change(mvm); 2802e705c121SKalle Valo 2803e705c121SKalle Valo /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ 2804e705c121SKalle Valo if (vif->p2p && mvm->p2p_device_vif) 2805e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); 2806e705c121SKalle Valo 2807e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, NULL); 2808ced19f26SSara Sharon 2809be82ecd3SAvraham Stern iwl_mvm_ftm_responder_clear(mvm, vif); 2810be82ecd3SAvraham Stern 2811ced19f26SSara Sharon /* 2812ced19f26SSara Sharon * This is not very nice, but the simplest: 2813ced19f26SSara Sharon * For older FWs removing the mcast sta before the bcast station may 2814ced19f26SSara Sharon * cause assert 0x2b00. 2815ced19f26SSara Sharon * This is fixed in later FW (which will stop beaconing when removing 2816ced19f26SSara Sharon * bcast station). 2817ced19f26SSara Sharon * So make the order of removal depend on the TLV 2818ced19f26SSara Sharon */ 2819ced19f26SSara Sharon if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) 282026d6c16bSSara Sharon iwl_mvm_rm_mcast_sta(mvm, vif); 2821e705c121SKalle Valo iwl_mvm_send_rm_bcast_sta(mvm, vif); 2822ced19f26SSara Sharon if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) 2823ced19f26SSara Sharon iwl_mvm_rm_mcast_sta(mvm, vif); 2824e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 2825e705c121SKalle Valo 2826e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 2827e705c121SKalle Valo 2828e705c121SKalle Valo iwl_mvm_mac_ctxt_remove(mvm, vif); 2829e705c121SKalle Valo 2830e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2831e705c121SKalle Valo } 2832e705c121SKalle Valo 2833ae7ba17bSShaul Triebitz static void iwl_mvm_stop_ap(struct ieee80211_hw *hw, 2834ae7ba17bSShaul Triebitz struct ieee80211_vif *vif, 2835b327c84cSGregory Greenman struct ieee80211_bss_conf *link_conf) 2836ae7ba17bSShaul Triebitz { 2837b327c84cSGregory Greenman iwl_mvm_stop_ap_ibss(hw, vif, link_conf); 2838ae7ba17bSShaul Triebitz } 2839ae7ba17bSShaul Triebitz 2840ae7ba17bSShaul Triebitz static void iwl_mvm_stop_ibss(struct ieee80211_hw *hw, 2841ae7ba17bSShaul Triebitz struct ieee80211_vif *vif) 2842ae7ba17bSShaul Triebitz { 2843b327c84cSGregory Greenman iwl_mvm_stop_ap_ibss(hw, vif, &vif->bss_conf); 2844ae7ba17bSShaul Triebitz } 2845ae7ba17bSShaul Triebitz 2846e705c121SKalle Valo static void 2847e705c121SKalle Valo iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm, 2848e705c121SKalle Valo struct ieee80211_vif *vif, 2849e705c121SKalle Valo struct ieee80211_bss_conf *bss_conf, 28507b7090b4SJohannes Berg u64 changes) 2851e705c121SKalle Valo { 2852e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2853e705c121SKalle Valo 2854e705c121SKalle Valo /* Changes will be applied when the AP/IBSS is started */ 2855e705c121SKalle Valo if (!mvmvif->ap_ibss_active) 2856e705c121SKalle Valo return; 2857e705c121SKalle Valo 2858e705c121SKalle Valo if (changes & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT | 2859e705c121SKalle Valo BSS_CHANGED_BANDWIDTH | BSS_CHANGED_QOS) && 2860e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL)) 2861e705c121SKalle Valo IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); 2862e705c121SKalle Valo 2863e705c121SKalle Valo /* Need to send a new beacon template to the FW */ 2864e705c121SKalle Valo if (changes & BSS_CHANGED_BEACON && 2865e705c121SKalle Valo iwl_mvm_mac_ctxt_beacon_changed(mvm, vif)) 2866e705c121SKalle Valo IWL_WARN(mvm, "Failed updating beacon data\n"); 2867e705c121SKalle Valo 2868b73f9a4aSJohannes Berg if (changes & BSS_CHANGED_FTM_RESPONDER) { 2869b73f9a4aSJohannes Berg int ret = iwl_mvm_ftm_start_responder(mvm, vif); 2870b73f9a4aSJohannes Berg 2871b73f9a4aSJohannes Berg if (ret) 2872b73f9a4aSJohannes Berg IWL_WARN(mvm, "Failed to enable FTM responder (%d)\n", 2873b73f9a4aSJohannes Berg ret); 2874b73f9a4aSJohannes Berg } 2875b73f9a4aSJohannes Berg 2876e705c121SKalle Valo } 2877e705c121SKalle Valo 2878e705c121SKalle Valo static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw, 2879e705c121SKalle Valo struct ieee80211_vif *vif, 2880e705c121SKalle Valo struct ieee80211_bss_conf *bss_conf, 28817b7090b4SJohannes Berg u64 changes) 2882e705c121SKalle Valo { 2883e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2884e705c121SKalle Valo 2885e705c121SKalle Valo mutex_lock(&mvm->mutex); 2886e705c121SKalle Valo 2887f276e20bSJohannes Berg if (changes & BSS_CHANGED_IDLE && !vif->cfg.idle) 2888e705c121SKalle Valo iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, true); 2889e705c121SKalle Valo 2890e705c121SKalle Valo switch (vif->type) { 2891e705c121SKalle Valo case NL80211_IFTYPE_STATION: 2892e705c121SKalle Valo iwl_mvm_bss_info_changed_station(mvm, vif, bss_conf, changes); 2893e705c121SKalle Valo break; 2894e705c121SKalle Valo case NL80211_IFTYPE_AP: 2895e705c121SKalle Valo case NL80211_IFTYPE_ADHOC: 2896e705c121SKalle Valo iwl_mvm_bss_info_changed_ap_ibss(mvm, vif, bss_conf, changes); 2897e705c121SKalle Valo break; 289891b08c2dSAviya Erenfeld case NL80211_IFTYPE_MONITOR: 289991b08c2dSAviya Erenfeld if (changes & BSS_CHANGED_MU_GROUPS) 290091b08c2dSAviya Erenfeld iwl_mvm_update_mu_groups(mvm, vif); 290191b08c2dSAviya Erenfeld break; 2902e705c121SKalle Valo default: 2903e705c121SKalle Valo /* shouldn't happen */ 2904e705c121SKalle Valo WARN_ON_ONCE(1); 2905e705c121SKalle Valo } 2906e705c121SKalle Valo 29079aae43a4SJohannes Berg if (changes & BSS_CHANGED_TXPOWER) { 29089aae43a4SJohannes Berg IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d dBm\n", 29099aae43a4SJohannes Berg bss_conf->txpower); 29109aae43a4SJohannes Berg iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower); 29119aae43a4SJohannes Berg } 29129aae43a4SJohannes Berg 2913e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2914e705c121SKalle Valo } 2915e705c121SKalle Valo 2916e705c121SKalle Valo static int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw, 2917e705c121SKalle Valo struct ieee80211_vif *vif, 2918e705c121SKalle Valo struct ieee80211_scan_request *hw_req) 2919e705c121SKalle Valo { 2920e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2921e705c121SKalle Valo int ret; 2922e705c121SKalle Valo 2923e705c121SKalle Valo if (hw_req->req.n_channels == 0 || 2924e705c121SKalle Valo hw_req->req.n_channels > mvm->fw->ucode_capa.n_scan_channels) 2925e705c121SKalle Valo return -EINVAL; 2926e705c121SKalle Valo 2927e705c121SKalle Valo mutex_lock(&mvm->mutex); 2928e705c121SKalle Valo ret = iwl_mvm_reg_scan_start(mvm, vif, &hw_req->req, &hw_req->ies); 2929e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2930e705c121SKalle Valo 2931e705c121SKalle Valo return ret; 2932e705c121SKalle Valo } 2933e705c121SKalle Valo 2934e705c121SKalle Valo static void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw, 2935e705c121SKalle Valo struct ieee80211_vif *vif) 2936e705c121SKalle Valo { 2937e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2938e705c121SKalle Valo 2939e705c121SKalle Valo mutex_lock(&mvm->mutex); 2940e705c121SKalle Valo 2941e705c121SKalle Valo /* Due to a race condition, it's possible that mac80211 asks 2942e705c121SKalle Valo * us to stop a hw_scan when it's already stopped. This can 2943e705c121SKalle Valo * happen, for instance, if we stopped the scan ourselves, 2944e705c121SKalle Valo * called ieee80211_scan_completed() and the userspace called 2945e705c121SKalle Valo * cancel scan scan before ieee80211_scan_work() could run. 2946e705c121SKalle Valo * To handle that, simply return if the scan is not running. 2947e705c121SKalle Valo */ 2948e705c121SKalle Valo if (mvm->scan_status & IWL_MVM_SCAN_REGULAR) 2949e705c121SKalle Valo iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_REGULAR, true); 2950e705c121SKalle Valo 2951e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2952e705c121SKalle Valo } 2953e705c121SKalle Valo 2954e705c121SKalle Valo static void 2955e705c121SKalle Valo iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw *hw, 2956e705c121SKalle Valo struct ieee80211_sta *sta, u16 tids, 2957e705c121SKalle Valo int num_frames, 2958e705c121SKalle Valo enum ieee80211_frame_release_type reason, 2959e705c121SKalle Valo bool more_data) 2960e705c121SKalle Valo { 2961e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2962e705c121SKalle Valo 2963e705c121SKalle Valo /* Called when we need to transmit (a) frame(s) from mac80211 */ 2964e705c121SKalle Valo 2965e705c121SKalle Valo iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, 2966e705c121SKalle Valo tids, more_data, false); 2967e705c121SKalle Valo } 2968e705c121SKalle Valo 2969e705c121SKalle Valo static void 2970e705c121SKalle Valo iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw *hw, 2971e705c121SKalle Valo struct ieee80211_sta *sta, u16 tids, 2972e705c121SKalle Valo int num_frames, 2973e705c121SKalle Valo enum ieee80211_frame_release_type reason, 2974e705c121SKalle Valo bool more_data) 2975e705c121SKalle Valo { 2976e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2977e705c121SKalle Valo 29789a3fcf91SSara Sharon /* Called when we need to transmit (a) frame(s) from agg or dqa queue */ 2979e705c121SKalle Valo 2980e705c121SKalle Valo iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, 2981e705c121SKalle Valo tids, more_data, true); 2982e705c121SKalle Valo } 2983e705c121SKalle Valo 298465e25482SJohannes Berg static void __iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, 2985e705c121SKalle Valo enum sta_notify_cmd cmd, 2986e705c121SKalle Valo struct ieee80211_sta *sta) 2987e705c121SKalle Valo { 2988e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2989e705c121SKalle Valo struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 2990e705c121SKalle Valo unsigned long txqs = 0, tids = 0; 2991e705c121SKalle Valo int tid; 2992e705c121SKalle Valo 2993960f864bSJohannes Berg /* 2994960f864bSJohannes Berg * If we have TVQM then we get too high queue numbers - luckily 2995960f864bSJohannes Berg * we really shouldn't get here with that because such hardware 2996960f864bSJohannes Berg * should have firmware supporting buffer station offload. 2997960f864bSJohannes Berg */ 2998960f864bSJohannes Berg if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) 2999960f864bSJohannes Berg return; 3000960f864bSJohannes Berg 3001e705c121SKalle Valo spin_lock_bh(&mvmsta->lock); 3002311590a3SEmmanuel Grumbach for (tid = 0; tid < ARRAY_SIZE(mvmsta->tid_data); tid++) { 3003e705c121SKalle Valo struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 3004e705c121SKalle Valo 30056862fceeSSara Sharon if (tid_data->txq_id == IWL_MVM_INVALID_QUEUE) 30061c17627bSSara Sharon continue; 30071c17627bSSara Sharon 3008e705c121SKalle Valo __set_bit(tid_data->txq_id, &txqs); 3009e705c121SKalle Valo 3010dd32162dSLiad Kaufman if (iwl_mvm_tid_queued(mvm, tid_data) == 0) 3011e705c121SKalle Valo continue; 3012e705c121SKalle Valo 3013e705c121SKalle Valo __set_bit(tid, &tids); 3014e705c121SKalle Valo } 3015e705c121SKalle Valo 3016e705c121SKalle Valo switch (cmd) { 3017e705c121SKalle Valo case STA_NOTIFY_SLEEP: 3018e705c121SKalle Valo for_each_set_bit(tid, &tids, IWL_MAX_TID_COUNT) 3019e705c121SKalle Valo ieee80211_sta_set_buffered(sta, tid, true); 3020e705c121SKalle Valo 3021e705c121SKalle Valo if (txqs) 3022e705c121SKalle Valo iwl_trans_freeze_txq_timer(mvm->trans, txqs, true); 3023e705c121SKalle Valo /* 3024e705c121SKalle Valo * The fw updates the STA to be asleep. Tx packets on the Tx 3025e705c121SKalle Valo * queues to this station will not be transmitted. The fw will 3026e705c121SKalle Valo * send a Tx response with TX_STATUS_FAIL_DEST_PS. 3027e705c121SKalle Valo */ 3028e705c121SKalle Valo break; 3029e705c121SKalle Valo case STA_NOTIFY_AWAKE: 30300ae98812SSara Sharon if (WARN_ON(mvmsta->sta_id == IWL_MVM_INVALID_STA)) 3031e705c121SKalle Valo break; 3032e705c121SKalle Valo 3033e705c121SKalle Valo if (txqs) 3034e705c121SKalle Valo iwl_trans_freeze_txq_timer(mvm->trans, txqs, false); 3035e705c121SKalle Valo iwl_mvm_sta_modify_ps_wake(mvm, sta); 3036e705c121SKalle Valo break; 3037e705c121SKalle Valo default: 3038e705c121SKalle Valo break; 3039e705c121SKalle Valo } 3040e705c121SKalle Valo spin_unlock_bh(&mvmsta->lock); 3041e705c121SKalle Valo } 3042e705c121SKalle Valo 304365e25482SJohannes Berg static void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, 304465e25482SJohannes Berg struct ieee80211_vif *vif, 304565e25482SJohannes Berg enum sta_notify_cmd cmd, 304665e25482SJohannes Berg struct ieee80211_sta *sta) 304765e25482SJohannes Berg { 304865e25482SJohannes Berg __iwl_mvm_mac_sta_notify(hw, cmd, sta); 304965e25482SJohannes Berg } 305065e25482SJohannes Berg 305165e25482SJohannes Berg void iwl_mvm_sta_pm_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) 305265e25482SJohannes Berg { 305365e25482SJohannes Berg struct iwl_rx_packet *pkt = rxb_addr(rxb); 305465e25482SJohannes Berg struct iwl_mvm_pm_state_notification *notif = (void *)pkt->data; 305565e25482SJohannes Berg struct ieee80211_sta *sta; 305665e25482SJohannes Berg struct iwl_mvm_sta *mvmsta; 305765e25482SJohannes Berg bool sleeping = (notif->type != IWL_MVM_PM_EVENT_AWAKE); 305865e25482SJohannes Berg 3059be9ae34eSNathan Errera if (WARN_ON(notif->sta_id >= mvm->fw->ucode_capa.num_stations)) 306065e25482SJohannes Berg return; 306165e25482SJohannes Berg 306265e25482SJohannes Berg rcu_read_lock(); 3063a9560029SSara Sharon sta = rcu_dereference(mvm->fw_id_to_mac_id[notif->sta_id]); 306465e25482SJohannes Berg if (WARN_ON(IS_ERR_OR_NULL(sta))) { 306565e25482SJohannes Berg rcu_read_unlock(); 306665e25482SJohannes Berg return; 306765e25482SJohannes Berg } 306865e25482SJohannes Berg 306965e25482SJohannes Berg mvmsta = iwl_mvm_sta_from_mac80211(sta); 307065e25482SJohannes Berg 307165e25482SJohannes Berg if (!mvmsta->vif || 307265e25482SJohannes Berg mvmsta->vif->type != NL80211_IFTYPE_AP) { 307365e25482SJohannes Berg rcu_read_unlock(); 307465e25482SJohannes Berg return; 307565e25482SJohannes Berg } 307665e25482SJohannes Berg 307765e25482SJohannes Berg if (mvmsta->sleeping != sleeping) { 307865e25482SJohannes Berg mvmsta->sleeping = sleeping; 307965e25482SJohannes Berg __iwl_mvm_mac_sta_notify(mvm->hw, 308065e25482SJohannes Berg sleeping ? STA_NOTIFY_SLEEP : STA_NOTIFY_AWAKE, 308165e25482SJohannes Berg sta); 308265e25482SJohannes Berg ieee80211_sta_ps_transition(sta, sleeping); 308365e25482SJohannes Berg } 308465e25482SJohannes Berg 308565e25482SJohannes Berg if (sleeping) { 308665e25482SJohannes Berg switch (notif->type) { 308765e25482SJohannes Berg case IWL_MVM_PM_EVENT_AWAKE: 308865e25482SJohannes Berg case IWL_MVM_PM_EVENT_ASLEEP: 308965e25482SJohannes Berg break; 309065e25482SJohannes Berg case IWL_MVM_PM_EVENT_UAPSD: 309165e25482SJohannes Berg ieee80211_sta_uapsd_trigger(sta, IEEE80211_NUM_TIDS); 309265e25482SJohannes Berg break; 309365e25482SJohannes Berg case IWL_MVM_PM_EVENT_PS_POLL: 309465e25482SJohannes Berg ieee80211_sta_pspoll(sta); 309565e25482SJohannes Berg break; 309665e25482SJohannes Berg default: 309765e25482SJohannes Berg break; 309865e25482SJohannes Berg } 309965e25482SJohannes Berg } 310065e25482SJohannes Berg 310165e25482SJohannes Berg rcu_read_unlock(); 310265e25482SJohannes Berg } 310365e25482SJohannes Berg 3104e705c121SKalle Valo static void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw, 3105e705c121SKalle Valo struct ieee80211_vif *vif, 3106e705c121SKalle Valo struct ieee80211_sta *sta) 3107e705c121SKalle Valo { 3108e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3109e705c121SKalle Valo struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 3110e705c121SKalle Valo 3111e705c121SKalle Valo /* 3112e705c121SKalle Valo * This is called before mac80211 does RCU synchronisation, 3113e705c121SKalle Valo * so here we already invalidate our internal RCU-protected 3114e705c121SKalle Valo * station pointer. The rest of the code will thus no longer 3115e705c121SKalle Valo * be able to find the station this way, and we don't rely 3116e705c121SKalle Valo * on further RCU synchronisation after the sta_state() 3117e705c121SKalle Valo * callback deleted the station. 3118e705c121SKalle Valo */ 3119e705c121SKalle Valo mutex_lock(&mvm->mutex); 3120e705c121SKalle Valo if (sta == rcu_access_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id])) 3121e705c121SKalle Valo rcu_assign_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id], 3122e705c121SKalle Valo ERR_PTR(-ENOENT)); 3123e705c121SKalle Valo 3124e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3125e705c121SKalle Valo } 3126e705c121SKalle Valo 3127e705c121SKalle Valo static void iwl_mvm_check_uapsd(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 3128e705c121SKalle Valo const u8 *bssid) 3129e705c121SKalle Valo { 3130b0ffe455SJohannes Berg int i; 3131b0ffe455SJohannes Berg 3132b0ffe455SJohannes Berg if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 3133b0ffe455SJohannes Berg struct iwl_mvm_tcm_mac *mdata; 3134b0ffe455SJohannes Berg 3135b0ffe455SJohannes Berg mdata = &mvm->tcm.data[iwl_mvm_vif_from_mac80211(vif)->id]; 3136b0ffe455SJohannes Berg ewma_rate_init(&mdata->uapsd_nonagg_detect.rate); 3137b0ffe455SJohannes Berg mdata->opened_rx_ba_sessions = false; 3138b0ffe455SJohannes Berg } 3139b0ffe455SJohannes Berg 3140e705c121SKalle Valo if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT)) 3141e705c121SKalle Valo return; 3142e705c121SKalle Valo 3143c5241b0cSAvraham Stern if (vif->p2p && !iwl_mvm_is_p2p_scm_uapsd_supported(mvm)) { 3144cee5a882SAvri Altman vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3145cee5a882SAvri Altman return; 3146cee5a882SAvri Altman } 3147cee5a882SAvri Altman 314811dee0b4SEmmanuel Grumbach if (!vif->p2p && 314911dee0b4SEmmanuel Grumbach (iwlwifi_mod_params.uapsd_disable & IWL_DISABLE_UAPSD_BSS)) { 3150e705c121SKalle Valo vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3151e705c121SKalle Valo return; 3152e705c121SKalle Valo } 3153e705c121SKalle Valo 3154b0ffe455SJohannes Berg for (i = 0; i < IWL_MVM_UAPSD_NOAGG_LIST_LEN; i++) { 3155b0ffe455SJohannes Berg if (ether_addr_equal(mvm->uapsd_noagg_bssids[i].addr, bssid)) { 3156b0ffe455SJohannes Berg vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3157b0ffe455SJohannes Berg return; 3158b0ffe455SJohannes Berg } 3159b0ffe455SJohannes Berg } 3160b0ffe455SJohannes Berg 3161e705c121SKalle Valo vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD; 3162e705c121SKalle Valo } 3163e705c121SKalle Valo 31641e8f1329SGolan Ben-Ami static void 31651e8f1329SGolan Ben-Ami iwl_mvm_tdls_check_trigger(struct iwl_mvm *mvm, 31661e8f1329SGolan Ben-Ami struct ieee80211_vif *vif, u8 *peer_addr, 31671e8f1329SGolan Ben-Ami enum nl80211_tdls_operation action) 31681e8f1329SGolan Ben-Ami { 31691e8f1329SGolan Ben-Ami struct iwl_fw_dbg_trigger_tlv *trig; 31701e8f1329SGolan Ben-Ami struct iwl_fw_dbg_trigger_tdls *tdls_trig; 31711e8f1329SGolan Ben-Ami 31726c042d75SSara Sharon trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 31736c042d75SSara Sharon FW_DBG_TRIGGER_TDLS); 31746c042d75SSara Sharon if (!trig) 31751e8f1329SGolan Ben-Ami return; 31761e8f1329SGolan Ben-Ami 31771e8f1329SGolan Ben-Ami tdls_trig = (void *)trig->data; 31781e8f1329SGolan Ben-Ami 31791e8f1329SGolan Ben-Ami if (!(tdls_trig->action_bitmap & BIT(action))) 31801e8f1329SGolan Ben-Ami return; 31811e8f1329SGolan Ben-Ami 31821e8f1329SGolan Ben-Ami if (tdls_trig->peer_mode && 31831e8f1329SGolan Ben-Ami memcmp(tdls_trig->peer, peer_addr, ETH_ALEN) != 0) 31841e8f1329SGolan Ben-Ami return; 31851e8f1329SGolan Ben-Ami 31867174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 31871e8f1329SGolan Ben-Ami "TDLS event occurred, peer %pM, action %d", 31881e8f1329SGolan Ben-Ami peer_addr, action); 31891e8f1329SGolan Ben-Ami } 31901e8f1329SGolan Ben-Ami 31914f58121dSIlan Peer struct iwl_mvm_he_obss_narrow_bw_ru_data { 31924f58121dSIlan Peer bool tolerated; 31934f58121dSIlan Peer }; 31944f58121dSIlan Peer 31954f58121dSIlan Peer static void iwl_mvm_check_he_obss_narrow_bw_ru_iter(struct wiphy *wiphy, 31964f58121dSIlan Peer struct cfg80211_bss *bss, 31974f58121dSIlan Peer void *_data) 31984f58121dSIlan Peer { 31994f58121dSIlan Peer struct iwl_mvm_he_obss_narrow_bw_ru_data *data = _data; 32006c608cd6SJohannes Berg const struct cfg80211_bss_ies *ies; 32014f58121dSIlan Peer const struct element *elem; 32024f58121dSIlan Peer 32036c608cd6SJohannes Berg rcu_read_lock(); 32046c608cd6SJohannes Berg ies = rcu_dereference(bss->ies); 32056c608cd6SJohannes Berg elem = cfg80211_find_elem(WLAN_EID_EXT_CAPABILITY, ies->data, 32066c608cd6SJohannes Berg ies->len); 32074f58121dSIlan Peer 32084f58121dSIlan Peer if (!elem || elem->datalen < 10 || 32094f58121dSIlan Peer !(elem->data[10] & 32104f58121dSIlan Peer WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT)) { 32114f58121dSIlan Peer data->tolerated = false; 32124f58121dSIlan Peer } 32136c608cd6SJohannes Berg rcu_read_unlock(); 32144f58121dSIlan Peer } 32154f58121dSIlan Peer 32164f58121dSIlan Peer static void iwl_mvm_check_he_obss_narrow_bw_ru(struct ieee80211_hw *hw, 32174f58121dSIlan Peer struct ieee80211_vif *vif) 32184f58121dSIlan Peer { 32194f58121dSIlan Peer struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 32204f58121dSIlan Peer struct iwl_mvm_he_obss_narrow_bw_ru_data iter_data = { 32214f58121dSIlan Peer .tolerated = true, 32224f58121dSIlan Peer }; 32234f58121dSIlan Peer 32244f58121dSIlan Peer if (!(vif->bss_conf.chandef.chan->flags & IEEE80211_CHAN_RADAR)) { 32254f58121dSIlan Peer mvmvif->he_ru_2mhz_block = false; 32264f58121dSIlan Peer return; 32274f58121dSIlan Peer } 32284f58121dSIlan Peer 32294f58121dSIlan Peer cfg80211_bss_iter(hw->wiphy, &vif->bss_conf.chandef, 32304f58121dSIlan Peer iwl_mvm_check_he_obss_narrow_bw_ru_iter, 32314f58121dSIlan Peer &iter_data); 32324f58121dSIlan Peer 32334f58121dSIlan Peer /* 32344f58121dSIlan Peer * If there is at least one AP on radar channel that cannot 32354f58121dSIlan Peer * tolerate 26-tone RU UL OFDMA transmissions using HE TB PPDU. 32364f58121dSIlan Peer */ 32374f58121dSIlan Peer mvmvif->he_ru_2mhz_block = !iter_data.tolerated; 32384f58121dSIlan Peer } 32394f58121dSIlan Peer 3240f7d6ef33SJohannes Berg static void iwl_mvm_reset_cca_40mhz_workaround(struct iwl_mvm *mvm, 3241f7d6ef33SJohannes Berg struct ieee80211_vif *vif) 3242f7d6ef33SJohannes Berg { 3243f7d6ef33SJohannes Berg struct ieee80211_supported_band *sband; 3244f7d6ef33SJohannes Berg const struct ieee80211_sta_he_cap *he_cap; 3245f7d6ef33SJohannes Berg 3246f7d6ef33SJohannes Berg if (vif->type != NL80211_IFTYPE_STATION) 3247f7d6ef33SJohannes Berg return; 3248f7d6ef33SJohannes Berg 3249f7d6ef33SJohannes Berg if (!mvm->cca_40mhz_workaround) 3250f7d6ef33SJohannes Berg return; 3251f7d6ef33SJohannes Berg 3252f7d6ef33SJohannes Berg /* decrement and check that we reached zero */ 3253f7d6ef33SJohannes Berg mvm->cca_40mhz_workaround--; 3254f7d6ef33SJohannes Berg if (mvm->cca_40mhz_workaround) 3255f7d6ef33SJohannes Berg return; 3256f7d6ef33SJohannes Berg 3257f7d6ef33SJohannes Berg sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]; 3258f7d6ef33SJohannes Berg 3259f7d6ef33SJohannes Berg sband->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; 3260f7d6ef33SJohannes Berg 3261f7d6ef33SJohannes Berg he_cap = ieee80211_get_he_iftype_cap(sband, 3262f7d6ef33SJohannes Berg ieee80211_vif_type_p2p(vif)); 3263f7d6ef33SJohannes Berg 3264f7d6ef33SJohannes Berg if (he_cap) { 3265f7d6ef33SJohannes Berg /* we know that ours is writable */ 32660301bcd5SBjoern A. Zeeb struct ieee80211_sta_he_cap *he = (void *)(uintptr_t)he_cap; 3267f7d6ef33SJohannes Berg 3268f7d6ef33SJohannes Berg he->he_cap_elem.phy_cap_info[0] |= 3269f7d6ef33SJohannes Berg IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G; 3270f7d6ef33SJohannes Berg } 3271f7d6ef33SJohannes Berg } 3272f7d6ef33SJohannes Berg 32736d19a5ebSEmmanuel Grumbach static void iwl_mvm_mei_host_associated(struct iwl_mvm *mvm, 32746d19a5ebSEmmanuel Grumbach struct ieee80211_vif *vif, 32756d19a5ebSEmmanuel Grumbach struct iwl_mvm_sta *mvm_sta) 32766d19a5ebSEmmanuel Grumbach { 32776d19a5ebSEmmanuel Grumbach #if IS_ENABLED(CONFIG_IWLMEI) 32786d19a5ebSEmmanuel Grumbach struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 32796d19a5ebSEmmanuel Grumbach struct iwl_mei_conn_info conn_info = { 3280f276e20bSJohannes Berg .ssid_len = vif->cfg.ssid_len, 32816d19a5ebSEmmanuel Grumbach .channel = vif->bss_conf.chandef.chan->hw_value, 32826d19a5ebSEmmanuel Grumbach }; 32836d19a5ebSEmmanuel Grumbach 32846d19a5ebSEmmanuel Grumbach if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 32856d19a5ebSEmmanuel Grumbach return; 32866d19a5ebSEmmanuel Grumbach 32876d19a5ebSEmmanuel Grumbach if (!mvm->mei_registered) 32886d19a5ebSEmmanuel Grumbach return; 32896d19a5ebSEmmanuel Grumbach 32906d19a5ebSEmmanuel Grumbach switch (mvm_sta->pairwise_cipher) { 3291e5d3a64eSAvraham Stern case WLAN_CIPHER_SUITE_TKIP: 3292e5d3a64eSAvraham Stern conn_info.pairwise_cipher = IWL_MEI_CIPHER_TKIP; 3293e5d3a64eSAvraham Stern break; 32946d19a5ebSEmmanuel Grumbach case WLAN_CIPHER_SUITE_CCMP: 32956d19a5ebSEmmanuel Grumbach conn_info.pairwise_cipher = IWL_MEI_CIPHER_CCMP; 32966d19a5ebSEmmanuel Grumbach break; 32976d19a5ebSEmmanuel Grumbach case WLAN_CIPHER_SUITE_GCMP: 32986d19a5ebSEmmanuel Grumbach conn_info.pairwise_cipher = IWL_MEI_CIPHER_GCMP; 32996d19a5ebSEmmanuel Grumbach break; 33006d19a5ebSEmmanuel Grumbach case WLAN_CIPHER_SUITE_GCMP_256: 33016d19a5ebSEmmanuel Grumbach conn_info.pairwise_cipher = IWL_MEI_CIPHER_GCMP_256; 33026d19a5ebSEmmanuel Grumbach break; 33036d19a5ebSEmmanuel Grumbach case 0: 33046d19a5ebSEmmanuel Grumbach /* open profile */ 33056d19a5ebSEmmanuel Grumbach break; 33066d19a5ebSEmmanuel Grumbach default: 33076d19a5ebSEmmanuel Grumbach /* cipher not supported, don't send anything to iwlmei */ 33086d19a5ebSEmmanuel Grumbach return; 33096d19a5ebSEmmanuel Grumbach } 33106d19a5ebSEmmanuel Grumbach 33116d19a5ebSEmmanuel Grumbach switch (mvmvif->rekey_data.akm) { 33126d19a5ebSEmmanuel Grumbach case WLAN_AKM_SUITE_SAE & 0xff: 33136d19a5ebSEmmanuel Grumbach conn_info.auth_mode = IWL_MEI_AKM_AUTH_SAE; 33146d19a5ebSEmmanuel Grumbach break; 33156d19a5ebSEmmanuel Grumbach case WLAN_AKM_SUITE_PSK & 0xff: 33166d19a5ebSEmmanuel Grumbach conn_info.auth_mode = IWL_MEI_AKM_AUTH_RSNA_PSK; 33176d19a5ebSEmmanuel Grumbach break; 33186d19a5ebSEmmanuel Grumbach case WLAN_AKM_SUITE_8021X & 0xff: 33196d19a5ebSEmmanuel Grumbach conn_info.auth_mode = IWL_MEI_AKM_AUTH_RSNA; 33206d19a5ebSEmmanuel Grumbach break; 33216d19a5ebSEmmanuel Grumbach case 0: 33226d19a5ebSEmmanuel Grumbach /* open profile */ 33236d19a5ebSEmmanuel Grumbach conn_info.auth_mode = IWL_MEI_AKM_AUTH_OPEN; 33246d19a5ebSEmmanuel Grumbach break; 33256d19a5ebSEmmanuel Grumbach default: 33266d19a5ebSEmmanuel Grumbach /* auth method / AKM not supported */ 33276d19a5ebSEmmanuel Grumbach /* TODO: All the FT vesions of these? */ 33286d19a5ebSEmmanuel Grumbach return; 33296d19a5ebSEmmanuel Grumbach } 33306d19a5ebSEmmanuel Grumbach 3331f276e20bSJohannes Berg memcpy(conn_info.ssid, vif->cfg.ssid, vif->cfg.ssid_len); 33326d19a5ebSEmmanuel Grumbach memcpy(conn_info.bssid, vif->bss_conf.bssid, ETH_ALEN); 33336d19a5ebSEmmanuel Grumbach 33346d19a5ebSEmmanuel Grumbach /* TODO: add support for collocated AP data */ 33356d19a5ebSEmmanuel Grumbach iwl_mei_host_associated(&conn_info, NULL); 33366d19a5ebSEmmanuel Grumbach #endif 33376d19a5ebSEmmanuel Grumbach } 33386d19a5ebSEmmanuel Grumbach 3339e705c121SKalle Valo static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw, 3340e705c121SKalle Valo struct ieee80211_vif *vif, 3341e705c121SKalle Valo struct ieee80211_sta *sta, 3342e705c121SKalle Valo enum ieee80211_sta_state old_state, 3343e705c121SKalle Valo enum ieee80211_sta_state new_state) 3344e705c121SKalle Valo { 3345e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3346e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 33476ea29ce5SJohannes Berg struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 3348e705c121SKalle Valo int ret; 3349e705c121SKalle Valo 3350e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n", 3351e705c121SKalle Valo sta->addr, old_state, new_state); 3352e705c121SKalle Valo 3353e705c121SKalle Valo /* this would be a mac80211 bug ... but don't crash */ 3354e705c121SKalle Valo if (WARN_ON_ONCE(!mvmvif->phy_ctxt)) 3355fe56d05eSSara Sharon return test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status) ? 0 : -EINVAL; 3356e705c121SKalle Valo 335724afba76SLiad Kaufman /* 335824afba76SLiad Kaufman * If we are in a STA removal flow and in DQA mode: 335924afba76SLiad Kaufman * 336024afba76SLiad Kaufman * This is after the sync_rcu part, so the queues have already been 336124afba76SLiad Kaufman * flushed. No more TXs on their way in mac80211's path, and no more in 336224afba76SLiad Kaufman * the queues. 336324afba76SLiad Kaufman * Also, we won't be getting any new TX frames for this station. 336424afba76SLiad Kaufman * What we might have are deferred TX frames that need to be taken care 336524afba76SLiad Kaufman * of. 336624afba76SLiad Kaufman * 336724afba76SLiad Kaufman * Drop any still-queued deferred-frame before removing the STA, and 336824afba76SLiad Kaufman * make sure the worker is no longer handling frames for this STA. 336924afba76SLiad Kaufman */ 337024afba76SLiad Kaufman if (old_state == IEEE80211_STA_NONE && 3371c8f54701SJohannes Berg new_state == IEEE80211_STA_NOTEXIST) { 337224afba76SLiad Kaufman flush_work(&mvm->add_stream_wk); 337324afba76SLiad Kaufman 337424afba76SLiad Kaufman /* 337524afba76SLiad Kaufman * No need to make sure deferred TX indication is off since the 337624afba76SLiad Kaufman * worker will already remove it if it was on 337724afba76SLiad Kaufman */ 3378f7d6ef33SJohannes Berg 3379f7d6ef33SJohannes Berg /* 3380f7d6ef33SJohannes Berg * Additionally, reset the 40 MHz capability if we disconnected 3381f7d6ef33SJohannes Berg * from the AP now. 3382f7d6ef33SJohannes Berg */ 3383f7d6ef33SJohannes Berg iwl_mvm_reset_cca_40mhz_workaround(mvm, vif); 338424afba76SLiad Kaufman } 338524afba76SLiad Kaufman 3386e705c121SKalle Valo mutex_lock(&mvm->mutex); 33876ea29ce5SJohannes Berg /* track whether or not the station is associated */ 3388d94c5a82SGregory Greenman mvm_sta->sta_state = new_state; 33896ea29ce5SJohannes Berg 3390e705c121SKalle Valo if (old_state == IEEE80211_STA_NOTEXIST && 3391e705c121SKalle Valo new_state == IEEE80211_STA_NONE) { 3392e705c121SKalle Valo /* 3393e705c121SKalle Valo * Firmware bug - it'll crash if the beacon interval is less 3394e705c121SKalle Valo * than 16. We can't avoid connecting at all, so refuse the 3395e705c121SKalle Valo * station state change, this will cause mac80211 to abandon 3396e705c121SKalle Valo * attempts to connect to this AP, and eventually wpa_s will 3397cdaba917SEmmanuel Grumbach * blocklist the AP... 3398e705c121SKalle Valo */ 3399e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_STATION && 3400e705c121SKalle Valo vif->bss_conf.beacon_int < 16) { 3401e705c121SKalle Valo IWL_ERR(mvm, 3402e705c121SKalle Valo "AP %pM beacon interval is %d, refusing due to firmware bug!\n", 3403e705c121SKalle Valo sta->addr, vif->bss_conf.beacon_int); 3404e705c121SKalle Valo ret = -EINVAL; 3405e705c121SKalle Valo goto out_unlock; 3406e705c121SKalle Valo } 3407e705c121SKalle Valo 340897cc1694SAvraham Stern if (vif->type == NL80211_IFTYPE_STATION) 3409046d2e7cSSriram R vif->bss_conf.he_support = sta->deflink.he_cap.has_he; 341097cc1694SAvraham Stern 3411e705c121SKalle Valo if (sta->tdls && 3412e705c121SKalle Valo (vif->p2p || 3413e705c121SKalle Valo iwl_mvm_tdls_sta_count(mvm, NULL) == 3414e705c121SKalle Valo IWL_MVM_TDLS_STA_COUNT || 3415e705c121SKalle Valo iwl_mvm_phy_ctx_count(mvm) > 1)) { 3416e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "refusing TDLS sta\n"); 3417e705c121SKalle Valo ret = -EBUSY; 3418e705c121SKalle Valo goto out_unlock; 3419e705c121SKalle Valo } 3420e705c121SKalle Valo 3421e705c121SKalle Valo ret = iwl_mvm_add_sta(mvm, vif, sta); 34221e8f1329SGolan Ben-Ami if (sta->tdls && ret == 0) { 3423e705c121SKalle Valo iwl_mvm_recalc_tdls_state(mvm, vif, true); 34241e8f1329SGolan Ben-Ami iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 34251e8f1329SGolan Ben-Ami NL80211_TDLS_SETUP); 34261e8f1329SGolan Ben-Ami } 3427438af969SSara Sharon 34284c51541dSBenjamin Berg sta->deflink.agg.max_rc_amsdu_len = 1; 3429e705c121SKalle Valo } else if (old_state == IEEE80211_STA_NONE && 3430e705c121SKalle Valo new_state == IEEE80211_STA_AUTH) { 3431e705c121SKalle Valo /* 3432e705c121SKalle Valo * EBS may be disabled due to previous failures reported by FW. 3433e705c121SKalle Valo * Reset EBS status here assuming environment has been changed. 3434e705c121SKalle Valo */ 3435e705c121SKalle Valo mvm->last_ebs_successful = true; 3436e705c121SKalle Valo iwl_mvm_check_uapsd(mvm, vif, sta->addr); 3437e705c121SKalle Valo ret = 0; 3438e705c121SKalle Valo } else if (old_state == IEEE80211_STA_AUTH && 3439e705c121SKalle Valo new_state == IEEE80211_STA_ASSOC) { 34408be30c13SAyala Beker if (vif->type == NL80211_IFTYPE_AP) { 3441046d2e7cSSriram R vif->bss_conf.he_support = sta->deflink.he_cap.has_he; 34428be30c13SAyala Beker mvmvif->ap_assoc_sta_count++; 34438be30c13SAyala Beker iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 3444cb63eb43SMiri Korenblit if ((vif->bss_conf.he_support && 3445cb63eb43SMiri Korenblit !iwlwifi_mod_params.disable_11ax) || 3446cb63eb43SMiri Korenblit (vif->bss_conf.eht_support && 3447cb63eb43SMiri Korenblit !iwlwifi_mod_params.disable_11be)) 344802221a81SShaul Triebitz iwl_mvm_cfg_he_sta(mvm, vif, mvm_sta->sta_id); 34499394662aSLiad Kaufman } else if (vif->type == NL80211_IFTYPE_STATION) { 3450046d2e7cSSriram R vif->bss_conf.he_support = sta->deflink.he_cap.has_he; 34514f58121dSIlan Peer 34524f58121dSIlan Peer mvmvif->he_ru_2mhz_block = false; 3453046d2e7cSSriram R if (sta->deflink.he_cap.has_he) 34544f58121dSIlan Peer iwl_mvm_check_he_obss_narrow_bw_ru(hw, vif); 34554f58121dSIlan Peer 34569394662aSLiad Kaufman iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 34578be30c13SAyala Beker } 3458735a0045SGoodstein, Mordechay 34593baf7528SAvraham Stern iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band, 34603baf7528SAvraham Stern false); 3461735a0045SGoodstein, Mordechay ret = iwl_mvm_update_sta(mvm, vif, sta); 3462e705c121SKalle Valo } else if (old_state == IEEE80211_STA_ASSOC && 3463e705c121SKalle Valo new_state == IEEE80211_STA_AUTHORIZED) { 346428916a16SEmmanuel Grumbach ret = 0; 3465e705c121SKalle Valo 3466e705c121SKalle Valo /* we don't support TDLS during DCM */ 3467e705c121SKalle Valo if (iwl_mvm_phy_ctx_count(mvm) > 1) 3468e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 3469e705c121SKalle Valo 34704634b176SJohannes Berg if (sta->tdls) { 34711e8f1329SGolan Ben-Ami iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 34721e8f1329SGolan Ben-Ami NL80211_TDLS_ENABLE_LINK); 34734634b176SJohannes Berg } else { 3474e705c121SKalle Valo /* enable beacon filtering */ 3475e705c121SKalle Valo WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0)); 34766b7a5aeaSNaftali Goldstein 34778b75858cSJohannes Berg mvmvif->authorized = 1; 34788b75858cSJohannes Berg 347950f56044SIlan Peer /* 348050f56044SIlan Peer * Now that the station is authorized, i.e., keys were already 348150f56044SIlan Peer * installed, need to indicate to the FW that 348250f56044SIlan Peer * multicast data frames can be forwarded to the driver 348350f56044SIlan Peer */ 348450f56044SIlan Peer iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 34856d19a5ebSEmmanuel Grumbach iwl_mvm_mei_host_associated(mvm, vif, mvm_sta); 34864634b176SJohannes Berg } 348750f56044SIlan Peer 34883baf7528SAvraham Stern iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band, 34893baf7528SAvraham Stern true); 3490e705c121SKalle Valo } else if (old_state == IEEE80211_STA_AUTHORIZED && 3491e705c121SKalle Valo new_state == IEEE80211_STA_ASSOC) { 3492d9e95e35SMordechay Goodstein /* once we move into assoc state, need to update rate scale to 3493d9e95e35SMordechay Goodstein * disable using wide bandwidth 3494d9e95e35SMordechay Goodstein */ 3495d9e95e35SMordechay Goodstein iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band, 3496d9e95e35SMordechay Goodstein false); 34974634b176SJohannes Berg if (!sta->tdls) { 349850f56044SIlan Peer /* Multicast data frames are no longer allowed */ 349950f56044SIlan Peer iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 350050f56044SIlan Peer 35018b75858cSJohannes Berg /* 35028b75858cSJohannes Berg * Set this after the above iwl_mvm_mac_ctxt_changed() 35038b75858cSJohannes Berg * to avoid sending high prio again for a little time. 35048b75858cSJohannes Berg */ 35058b75858cSJohannes Berg mvmvif->authorized = 0; 35068b75858cSJohannes Berg 3507e705c121SKalle Valo /* disable beacon filtering */ 350869e508b4SIlan Peer ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); 350969e508b4SIlan Peer WARN_ON(ret && 351069e508b4SIlan Peer !test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 351169e508b4SIlan Peer &mvm->status)); 35124634b176SJohannes Berg } 3513e705c121SKalle Valo ret = 0; 3514e705c121SKalle Valo } else if (old_state == IEEE80211_STA_ASSOC && 3515e705c121SKalle Valo new_state == IEEE80211_STA_AUTH) { 35168be30c13SAyala Beker if (vif->type == NL80211_IFTYPE_AP) { 35178be30c13SAyala Beker mvmvif->ap_assoc_sta_count--; 35188be30c13SAyala Beker iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 3519d5d8ee52SEmmanuel Grumbach } else if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 3520cf7a7457SJohannes Berg iwl_mvm_stop_session_protection(mvm, vif); 3521e705c121SKalle Valo ret = 0; 3522e705c121SKalle Valo } else if (old_state == IEEE80211_STA_AUTH && 3523e705c121SKalle Valo new_state == IEEE80211_STA_NONE) { 3524e705c121SKalle Valo ret = 0; 3525e705c121SKalle Valo } else if (old_state == IEEE80211_STA_NONE && 3526e705c121SKalle Valo new_state == IEEE80211_STA_NOTEXIST) { 3527d5d8ee52SEmmanuel Grumbach if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 3528d5d8ee52SEmmanuel Grumbach iwl_mvm_stop_session_protection(mvm, vif); 3529e705c121SKalle Valo ret = iwl_mvm_rm_sta(mvm, vif, sta); 35301e8f1329SGolan Ben-Ami if (sta->tdls) { 3531e705c121SKalle Valo iwl_mvm_recalc_tdls_state(mvm, vif, false); 35321e8f1329SGolan Ben-Ami iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 35331e8f1329SGolan Ben-Ami NL80211_TDLS_DISABLE_LINK); 35341e8f1329SGolan Ben-Ami } 353534a880d8SLiad Kaufman 353644135b7cSIlan Peer if (unlikely(ret && 353744135b7cSIlan Peer test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 353844135b7cSIlan Peer &mvm->status))) 353944135b7cSIlan Peer ret = 0; 3540e705c121SKalle Valo } else { 3541e705c121SKalle Valo ret = -EIO; 3542e705c121SKalle Valo } 3543e705c121SKalle Valo out_unlock: 3544e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3545e705c121SKalle Valo 3546e705c121SKalle Valo if (sta->tdls && ret == 0) { 3547e705c121SKalle Valo if (old_state == IEEE80211_STA_NOTEXIST && 3548e705c121SKalle Valo new_state == IEEE80211_STA_NONE) 3549e705c121SKalle Valo ieee80211_reserve_tid(sta, IWL_MVM_TDLS_FW_TID); 3550e705c121SKalle Valo else if (old_state == IEEE80211_STA_NONE && 3551e705c121SKalle Valo new_state == IEEE80211_STA_NOTEXIST) 3552e705c121SKalle Valo ieee80211_unreserve_tid(sta, IWL_MVM_TDLS_FW_TID); 3553e705c121SKalle Valo } 3554e705c121SKalle Valo 3555e705c121SKalle Valo return ret; 3556e705c121SKalle Valo } 3557e705c121SKalle Valo 3558e705c121SKalle Valo static int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 3559e705c121SKalle Valo { 3560e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3561e705c121SKalle Valo 3562e705c121SKalle Valo mvm->rts_threshold = value; 3563e705c121SKalle Valo 3564e705c121SKalle Valo return 0; 3565e705c121SKalle Valo } 3566e705c121SKalle Valo 3567e705c121SKalle Valo static void iwl_mvm_sta_rc_update(struct ieee80211_hw *hw, 3568e705c121SKalle Valo struct ieee80211_vif *vif, 3569e705c121SKalle Valo struct ieee80211_sta *sta, u32 changed) 3570e705c121SKalle Valo { 3571e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3572dcfe3b10SJohannes Berg struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3573dcfe3b10SJohannes Berg 3574dcfe3b10SJohannes Berg if (changed & (IEEE80211_RC_BW_CHANGED | 3575dcfe3b10SJohannes Berg IEEE80211_RC_SUPP_RATES_CHANGED | 3576dcfe3b10SJohannes Berg IEEE80211_RC_NSS_CHANGED)) 3577dcfe3b10SJohannes Berg iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band, 3578dcfe3b10SJohannes Berg true); 3579e705c121SKalle Valo 3580e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_STATION && 3581e705c121SKalle Valo changed & IEEE80211_RC_NSS_CHANGED) 3582e705c121SKalle Valo iwl_mvm_sf_update(mvm, vif, false); 3583e705c121SKalle Valo } 3584e705c121SKalle Valo 3585e705c121SKalle Valo static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw, 3586b3e2130bSJohannes Berg struct ieee80211_vif *vif, 3587b3e2130bSJohannes Berg unsigned int link_id, u16 ac, 3588e705c121SKalle Valo const struct ieee80211_tx_queue_params *params) 3589e705c121SKalle Valo { 3590e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3591e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3592e705c121SKalle Valo 3593e705c121SKalle Valo mvmvif->queue_params[ac] = *params; 3594e705c121SKalle Valo 3595e705c121SKalle Valo /* 3596e705c121SKalle Valo * No need to update right away, we'll get BSS_CHANGED_QOS 3597e705c121SKalle Valo * The exception is P2P_DEVICE interface which needs immediate update. 3598e705c121SKalle Valo */ 3599e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 3600e705c121SKalle Valo int ret; 3601e705c121SKalle Valo 3602e705c121SKalle Valo mutex_lock(&mvm->mutex); 3603e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 3604e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3605e705c121SKalle Valo return ret; 3606e705c121SKalle Valo } 3607e705c121SKalle Valo return 0; 3608e705c121SKalle Valo } 3609e705c121SKalle Valo 3610e705c121SKalle Valo static void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw, 3611d4e36e55SIlan Peer struct ieee80211_vif *vif, 361215fae341SJohannes Berg struct ieee80211_prep_tx_info *info) 3613e705c121SKalle Valo { 3614e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3615d4e36e55SIlan Peer 3616e705c121SKalle Valo mutex_lock(&mvm->mutex); 3617af84ac57SJohannes Berg iwl_mvm_protect_assoc(mvm, vif, info->duration); 3618e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3619e705c121SKalle Valo } 3620e705c121SKalle Valo 36216b1259d1SJohannes Berg static void iwl_mvm_mac_mgd_complete_tx(struct ieee80211_hw *hw, 36226b1259d1SJohannes Berg struct ieee80211_vif *vif, 36236b1259d1SJohannes Berg struct ieee80211_prep_tx_info *info) 36246b1259d1SJohannes Berg { 36256b1259d1SJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 36266b1259d1SJohannes Berg 36276b1259d1SJohannes Berg /* for successful cases (auth/assoc), don't cancel session protection */ 36286b1259d1SJohannes Berg if (info->success) 36296b1259d1SJohannes Berg return; 36306b1259d1SJohannes Berg 36316b1259d1SJohannes Berg mutex_lock(&mvm->mutex); 36326b1259d1SJohannes Berg iwl_mvm_stop_session_protection(mvm, vif); 36336b1259d1SJohannes Berg mutex_unlock(&mvm->mutex); 36346b1259d1SJohannes Berg } 36356b1259d1SJohannes Berg 3636e705c121SKalle Valo static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw, 3637e705c121SKalle Valo struct ieee80211_vif *vif, 3638e705c121SKalle Valo struct cfg80211_sched_scan_request *req, 3639e705c121SKalle Valo struct ieee80211_scan_ies *ies) 3640e705c121SKalle Valo { 3641e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3642e705c121SKalle Valo 3643e705c121SKalle Valo int ret; 3644e705c121SKalle Valo 3645e705c121SKalle Valo mutex_lock(&mvm->mutex); 3646e705c121SKalle Valo 3647f276e20bSJohannes Berg if (!vif->cfg.idle) { 3648e705c121SKalle Valo ret = -EBUSY; 3649e705c121SKalle Valo goto out; 3650e705c121SKalle Valo } 3651e705c121SKalle Valo 3652e705c121SKalle Valo ret = iwl_mvm_sched_scan_start(mvm, vif, req, ies, IWL_MVM_SCAN_SCHED); 3653e705c121SKalle Valo 3654e705c121SKalle Valo out: 3655e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3656e705c121SKalle Valo return ret; 3657e705c121SKalle Valo } 3658e705c121SKalle Valo 3659e705c121SKalle Valo static int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw, 3660e705c121SKalle Valo struct ieee80211_vif *vif) 3661e705c121SKalle Valo { 3662e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3663e705c121SKalle Valo int ret; 3664e705c121SKalle Valo 3665e705c121SKalle Valo mutex_lock(&mvm->mutex); 3666e705c121SKalle Valo 3667e705c121SKalle Valo /* Due to a race condition, it's possible that mac80211 asks 3668e705c121SKalle Valo * us to stop a sched_scan when it's already stopped. This 3669e705c121SKalle Valo * can happen, for instance, if we stopped the scan ourselves, 3670e705c121SKalle Valo * called ieee80211_sched_scan_stopped() and the userspace called 3671e705c121SKalle Valo * stop sched scan scan before ieee80211_sched_scan_stopped_work() 3672e705c121SKalle Valo * could run. To handle this, simply return if the scan is 3673e705c121SKalle Valo * not running. 3674e705c121SKalle Valo */ 3675e705c121SKalle Valo if (!(mvm->scan_status & IWL_MVM_SCAN_SCHED)) { 3676e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3677e705c121SKalle Valo return 0; 3678e705c121SKalle Valo } 3679e705c121SKalle Valo 3680e705c121SKalle Valo ret = iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, false); 3681e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3682e705c121SKalle Valo iwl_mvm_wait_for_async_handlers(mvm); 3683e705c121SKalle Valo 3684e705c121SKalle Valo return ret; 3685e705c121SKalle Valo } 3686e705c121SKalle Valo 36876569e7d3SJohannes Berg static int __iwl_mvm_mac_set_key(struct ieee80211_hw *hw, 3688e705c121SKalle Valo enum set_key_cmd cmd, 3689e705c121SKalle Valo struct ieee80211_vif *vif, 3690e705c121SKalle Valo struct ieee80211_sta *sta, 3691e705c121SKalle Valo struct ieee80211_key_conf *key) 3692e705c121SKalle Valo { 3693c56e00a3SJohannes Berg struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3694e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 369546c7b05aSEmmanuel Grumbach struct iwl_mvm_sta *mvmsta = NULL; 3696f5e28eacSJohannes Berg struct iwl_mvm_key_pn *ptk_pn; 3697f5e28eacSJohannes Berg int keyidx = key->keyidx; 36985c75a208SJohannes Berg u32 sec_key_id = WIDE_ID(DATA_PATH_GROUP, SEC_KEY_CMD); 36995c75a208SJohannes Berg u8 sec_key_ver = iwl_fw_lookup_cmd_ver(mvm->fw, sec_key_id, 0); 3700c56e00a3SJohannes Berg int ret, i; 37014615fd15SEmmanuel Grumbach u8 key_offset; 3702e705c121SKalle Valo 370346c7b05aSEmmanuel Grumbach if (sta) 37046d19a5ebSEmmanuel Grumbach mvmsta = iwl_mvm_sta_from_mac80211(sta); 37056d19a5ebSEmmanuel Grumbach 3706e705c121SKalle Valo switch (key->cipher) { 3707e705c121SKalle Valo case WLAN_CIPHER_SUITE_TKIP: 3708286ca8ebSLuca Coelho if (!mvm->trans->trans_cfg->gen2) { 3709e705c121SKalle Valo key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 37101ad4f639SEliad Peller key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 37117f768ad5SDavid Spinadel } else if (vif->type == NL80211_IFTYPE_STATION) { 37127f768ad5SDavid Spinadel key->flags |= IEEE80211_KEY_FLAG_PUT_MIC_SPACE; 37137f768ad5SDavid Spinadel } else { 37147f768ad5SDavid Spinadel IWL_DEBUG_MAC80211(mvm, "Use SW encryption for TKIP\n"); 37157f768ad5SDavid Spinadel return -EOPNOTSUPP; 37167f768ad5SDavid Spinadel } 3717e705c121SKalle Valo break; 3718e705c121SKalle Valo case WLAN_CIPHER_SUITE_CCMP: 37192a53d166SAyala Beker case WLAN_CIPHER_SUITE_GCMP: 37202a53d166SAyala Beker case WLAN_CIPHER_SUITE_GCMP_256: 372185aeb58cSDavid Spinadel if (!iwl_mvm_has_new_tx_api(mvm)) 3722e705c121SKalle Valo key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 3723e705c121SKalle Valo break; 3724e705c121SKalle Valo case WLAN_CIPHER_SUITE_AES_CMAC: 37258e160ab8SAyala Beker case WLAN_CIPHER_SUITE_BIP_GMAC_128: 37268e160ab8SAyala Beker case WLAN_CIPHER_SUITE_BIP_GMAC_256: 3727e705c121SKalle Valo WARN_ON_ONCE(!ieee80211_hw_check(hw, MFP_CAPABLE)); 3728e705c121SKalle Valo break; 3729e705c121SKalle Valo case WLAN_CIPHER_SUITE_WEP40: 3730e705c121SKalle Valo case WLAN_CIPHER_SUITE_WEP104: 3731475c6bdeSJohannes Berg if (vif->type == NL80211_IFTYPE_STATION) 3732e705c121SKalle Valo break; 3733475c6bdeSJohannes Berg if (iwl_mvm_has_new_tx_api(mvm)) 3734475c6bdeSJohannes Berg return -EOPNOTSUPP; 3735475c6bdeSJohannes Berg /* support HW crypto on TX */ 3736475c6bdeSJohannes Berg return 0; 3737e705c121SKalle Valo default: 3738e705c121SKalle Valo return -EOPNOTSUPP; 3739e705c121SKalle Valo } 3740e705c121SKalle Valo 3741e705c121SKalle Valo switch (cmd) { 3742e705c121SKalle Valo case SET_KEY: 3743b1fdc250SJohannes Berg if (keyidx == 6 || keyidx == 7) 3744b1fdc250SJohannes Berg rcu_assign_pointer(mvmvif->bcn_prot.keys[keyidx - 6], 3745b1fdc250SJohannes Berg key); 3746b1fdc250SJohannes Berg 3747e705c121SKalle Valo if ((vif->type == NL80211_IFTYPE_ADHOC || 3748e705c121SKalle Valo vif->type == NL80211_IFTYPE_AP) && !sta) { 3749e705c121SKalle Valo /* 3750e705c121SKalle Valo * GTK on AP interface is a TX-only key, return 0; 3751e705c121SKalle Valo * on IBSS they're per-station and because we're lazy 3752e705c121SKalle Valo * we don't support them for RX, so do the same. 37538e160ab8SAyala Beker * CMAC/GMAC in AP/IBSS modes must be done in software. 3754e705c121SKalle Valo */ 37558e160ab8SAyala Beker if (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC || 37568e160ab8SAyala Beker key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 || 3757a1c2ff30SAndrei Otcheretianski key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256) { 375881279c49SJohannes Berg ret = -EOPNOTSUPP; 3759a1c2ff30SAndrei Otcheretianski break; 3760a1c2ff30SAndrei Otcheretianski } 376185aeb58cSDavid Spinadel 376285aeb58cSDavid Spinadel if (key->cipher != WLAN_CIPHER_SUITE_GCMP && 376385aeb58cSDavid Spinadel key->cipher != WLAN_CIPHER_SUITE_GCMP_256 && 376485aeb58cSDavid Spinadel !iwl_mvm_has_new_tx_api(mvm)) { 3765e705c121SKalle Valo key->hw_key_idx = STA_KEY_IDX_INVALID; 3766a1c2ff30SAndrei Otcheretianski ret = 0; 3767e705c121SKalle Valo break; 3768e705c121SKalle Valo } 3769c56e00a3SJohannes Berg 3770c56e00a3SJohannes Berg if (!mvmvif->ap_ibss_active) { 3771c56e00a3SJohannes Berg for (i = 0; 3772c56e00a3SJohannes Berg i < ARRAY_SIZE(mvmvif->ap_early_keys); 3773c56e00a3SJohannes Berg i++) { 3774c56e00a3SJohannes Berg if (!mvmvif->ap_early_keys[i]) { 3775c56e00a3SJohannes Berg mvmvif->ap_early_keys[i] = key; 3776c56e00a3SJohannes Berg break; 3777c56e00a3SJohannes Berg } 3778c56e00a3SJohannes Berg } 3779c56e00a3SJohannes Berg 3780c56e00a3SJohannes Berg if (i >= ARRAY_SIZE(mvmvif->ap_early_keys)) 3781c56e00a3SJohannes Berg ret = -ENOSPC; 3782a1c2ff30SAndrei Otcheretianski else 3783a1c2ff30SAndrei Otcheretianski ret = 0; 3784c56e00a3SJohannes Berg 3785c56e00a3SJohannes Berg break; 3786c56e00a3SJohannes Berg } 378785aeb58cSDavid Spinadel } 3788e705c121SKalle Valo 3789e705c121SKalle Valo /* During FW restart, in order to restore the state as it was, 3790e705c121SKalle Valo * don't try to reprogram keys we previously failed for. 3791e705c121SKalle Valo */ 3792e705c121SKalle Valo if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 3793e705c121SKalle Valo key->hw_key_idx == STA_KEY_IDX_INVALID) { 3794e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, 3795e705c121SKalle Valo "skip invalid idx key programming during restart\n"); 3796e705c121SKalle Valo ret = 0; 3797e705c121SKalle Valo break; 3798e705c121SKalle Valo } 3799e705c121SKalle Valo 3800f5e28eacSJohannes Berg if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 380146c7b05aSEmmanuel Grumbach mvmsta && iwl_mvm_has_new_rx_api(mvm) && 3802f5e28eacSJohannes Berg key->flags & IEEE80211_KEY_FLAG_PAIRWISE && 3803f5e28eacSJohannes Berg (key->cipher == WLAN_CIPHER_SUITE_CCMP || 38042a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP || 38052a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { 3806f5e28eacSJohannes Berg struct ieee80211_key_seq seq; 3807f5e28eacSJohannes Berg int tid, q; 3808f5e28eacSJohannes Berg 3809f5e28eacSJohannes Berg WARN_ON(rcu_access_pointer(mvmsta->ptk_pn[keyidx])); 3810acafe7e3SKees Cook ptk_pn = kzalloc(struct_size(ptk_pn, q, 3811acafe7e3SKees Cook mvm->trans->num_rx_queues), 3812f5e28eacSJohannes Berg GFP_KERNEL); 3813f5e28eacSJohannes Berg if (!ptk_pn) { 3814f5e28eacSJohannes Berg ret = -ENOMEM; 3815f5e28eacSJohannes Berg break; 3816f5e28eacSJohannes Berg } 3817f5e28eacSJohannes Berg 3818f5e28eacSJohannes Berg for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { 3819f5e28eacSJohannes Berg ieee80211_get_key_rx_seq(key, tid, &seq); 3820f5e28eacSJohannes Berg for (q = 0; q < mvm->trans->num_rx_queues; q++) 3821f5e28eacSJohannes Berg memcpy(ptk_pn->q[q].pn[tid], 3822f5e28eacSJohannes Berg seq.ccmp.pn, 3823f5e28eacSJohannes Berg IEEE80211_CCMP_PN_LEN); 3824f5e28eacSJohannes Berg } 3825f5e28eacSJohannes Berg 3826f5e28eacSJohannes Berg rcu_assign_pointer(mvmsta->ptk_pn[keyidx], ptk_pn); 3827f5e28eacSJohannes Berg } 3828f5e28eacSJohannes Berg 38294615fd15SEmmanuel Grumbach /* in HW restart reuse the index, otherwise request a new one */ 38304615fd15SEmmanuel Grumbach if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 38314615fd15SEmmanuel Grumbach key_offset = key->hw_key_idx; 38324615fd15SEmmanuel Grumbach else 38334615fd15SEmmanuel Grumbach key_offset = STA_KEY_IDX_INVALID; 38344615fd15SEmmanuel Grumbach 383546c7b05aSEmmanuel Grumbach if (mvmsta && key->flags & IEEE80211_KEY_FLAG_PAIRWISE) 38366d19a5ebSEmmanuel Grumbach mvmsta->pairwise_cipher = key->cipher; 38376d19a5ebSEmmanuel Grumbach 3838e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "set hwcrypto key\n"); 38395c75a208SJohannes Berg 38405c75a208SJohannes Berg if (sec_key_ver) 38415c75a208SJohannes Berg ret = iwl_mvm_sec_key_add(mvm, vif, sta, key); 38425c75a208SJohannes Berg else 38434615fd15SEmmanuel Grumbach ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, key_offset); 38445c75a208SJohannes Berg 3845e705c121SKalle Valo if (ret) { 3846e705c121SKalle Valo IWL_WARN(mvm, "set key failed\n"); 3847475c6bdeSJohannes Berg key->hw_key_idx = STA_KEY_IDX_INVALID; 3848e705c121SKalle Valo /* 3849e705c121SKalle Valo * can't add key for RX, but we don't need it 3850475c6bdeSJohannes Berg * in the device for TX so still return 0, 3851475c6bdeSJohannes Berg * unless we have new TX API where we cannot 3852475c6bdeSJohannes Berg * put key material into the TX_CMD 3853e705c121SKalle Valo */ 3854475c6bdeSJohannes Berg if (iwl_mvm_has_new_tx_api(mvm)) 3855475c6bdeSJohannes Berg ret = -EOPNOTSUPP; 3856475c6bdeSJohannes Berg else 3857e705c121SKalle Valo ret = 0; 3858e705c121SKalle Valo } 3859e705c121SKalle Valo 3860e705c121SKalle Valo break; 3861e705c121SKalle Valo case DISABLE_KEY: 3862b1fdc250SJohannes Berg if (keyidx == 6 || keyidx == 7) 3863b1fdc250SJohannes Berg RCU_INIT_POINTER(mvmvif->bcn_prot.keys[keyidx - 6], 3864b1fdc250SJohannes Berg NULL); 3865b1fdc250SJohannes Berg 3866c56e00a3SJohannes Berg ret = -ENOENT; 3867c56e00a3SJohannes Berg for (i = 0; i < ARRAY_SIZE(mvmvif->ap_early_keys); i++) { 3868c56e00a3SJohannes Berg if (mvmvif->ap_early_keys[i] == key) { 3869c56e00a3SJohannes Berg mvmvif->ap_early_keys[i] = NULL; 3870c56e00a3SJohannes Berg ret = 0; 3871c56e00a3SJohannes Berg } 3872c56e00a3SJohannes Berg } 3873c56e00a3SJohannes Berg 3874c56e00a3SJohannes Berg /* found in pending list - don't do anything else */ 3875c56e00a3SJohannes Berg if (ret == 0) 3876c56e00a3SJohannes Berg break; 3877c56e00a3SJohannes Berg 3878e705c121SKalle Valo if (key->hw_key_idx == STA_KEY_IDX_INVALID) { 3879e705c121SKalle Valo ret = 0; 3880e705c121SKalle Valo break; 3881e705c121SKalle Valo } 3882e705c121SKalle Valo 388346c7b05aSEmmanuel Grumbach if (mvmsta && iwl_mvm_has_new_rx_api(mvm) && 3884f5e28eacSJohannes Berg key->flags & IEEE80211_KEY_FLAG_PAIRWISE && 3885f5e28eacSJohannes Berg (key->cipher == WLAN_CIPHER_SUITE_CCMP || 38862a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP || 38872a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { 3888f5e28eacSJohannes Berg ptk_pn = rcu_dereference_protected( 3889f5e28eacSJohannes Berg mvmsta->ptk_pn[keyidx], 3890f5e28eacSJohannes Berg lockdep_is_held(&mvm->mutex)); 3891f5e28eacSJohannes Berg RCU_INIT_POINTER(mvmsta->ptk_pn[keyidx], NULL); 3892f5e28eacSJohannes Berg if (ptk_pn) 3893f5e28eacSJohannes Berg kfree_rcu(ptk_pn, rcu_head); 3894f5e28eacSJohannes Berg } 3895f5e28eacSJohannes Berg 3896e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n"); 38975c75a208SJohannes Berg if (sec_key_ver) 38985c75a208SJohannes Berg ret = iwl_mvm_sec_key_del(mvm, vif, sta, key); 38995c75a208SJohannes Berg else 3900e705c121SKalle Valo ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key); 3901e705c121SKalle Valo break; 3902e705c121SKalle Valo default: 3903e705c121SKalle Valo ret = -EINVAL; 3904e705c121SKalle Valo } 3905e705c121SKalle Valo 39066569e7d3SJohannes Berg return ret; 39076569e7d3SJohannes Berg } 39086569e7d3SJohannes Berg 39096569e7d3SJohannes Berg static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, 39106569e7d3SJohannes Berg enum set_key_cmd cmd, 39116569e7d3SJohannes Berg struct ieee80211_vif *vif, 39126569e7d3SJohannes Berg struct ieee80211_sta *sta, 39136569e7d3SJohannes Berg struct ieee80211_key_conf *key) 39146569e7d3SJohannes Berg { 39156569e7d3SJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 39166569e7d3SJohannes Berg int ret; 39176569e7d3SJohannes Berg 39186569e7d3SJohannes Berg mutex_lock(&mvm->mutex); 39196569e7d3SJohannes Berg ret = __iwl_mvm_mac_set_key(hw, cmd, vif, sta, key); 3920e705c121SKalle Valo mutex_unlock(&mvm->mutex); 39216569e7d3SJohannes Berg 3922e705c121SKalle Valo return ret; 3923e705c121SKalle Valo } 3924e705c121SKalle Valo 3925e705c121SKalle Valo static void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw, 3926e705c121SKalle Valo struct ieee80211_vif *vif, 3927e705c121SKalle Valo struct ieee80211_key_conf *keyconf, 3928e705c121SKalle Valo struct ieee80211_sta *sta, 3929e705c121SKalle Valo u32 iv32, u16 *phase1key) 3930e705c121SKalle Valo { 3931e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3932e705c121SKalle Valo 3933e705c121SKalle Valo if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID) 3934e705c121SKalle Valo return; 3935e705c121SKalle Valo 3936e705c121SKalle Valo iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key); 3937e705c121SKalle Valo } 3938e705c121SKalle Valo 3939e705c121SKalle Valo 3940e705c121SKalle Valo static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data *notif_wait, 3941e705c121SKalle Valo struct iwl_rx_packet *pkt, void *data) 3942e705c121SKalle Valo { 3943e705c121SKalle Valo struct iwl_mvm *mvm = 3944e705c121SKalle Valo container_of(notif_wait, struct iwl_mvm, notif_wait); 3945e705c121SKalle Valo struct iwl_hs20_roc_res *resp; 3946e705c121SKalle Valo int resp_len = iwl_rx_packet_payload_len(pkt); 3947e705c121SKalle Valo struct iwl_mvm_time_event_data *te_data = data; 3948e705c121SKalle Valo 3949e705c121SKalle Valo if (WARN_ON(pkt->hdr.cmd != HOT_SPOT_CMD)) 3950e705c121SKalle Valo return true; 3951e705c121SKalle Valo 3952e705c121SKalle Valo if (WARN_ON_ONCE(resp_len != sizeof(*resp))) { 3953e705c121SKalle Valo IWL_ERR(mvm, "Invalid HOT_SPOT_CMD response\n"); 3954e705c121SKalle Valo return true; 3955e705c121SKalle Valo } 3956e705c121SKalle Valo 3957e705c121SKalle Valo resp = (void *)pkt->data; 3958e705c121SKalle Valo 3959e705c121SKalle Valo IWL_DEBUG_TE(mvm, 3960b71a9c35SColin Ian King "Aux ROC: Received response from ucode: status=%d uid=%d\n", 3961e705c121SKalle Valo resp->status, resp->event_unique_id); 3962e705c121SKalle Valo 3963e705c121SKalle Valo te_data->uid = le32_to_cpu(resp->event_unique_id); 3964e705c121SKalle Valo IWL_DEBUG_TE(mvm, "TIME_EVENT_CMD response - UID = 0x%x\n", 3965e705c121SKalle Valo te_data->uid); 3966e705c121SKalle Valo 3967e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 3968e705c121SKalle Valo list_add_tail(&te_data->list, &mvm->aux_roc_te_list); 3969e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 3970e705c121SKalle Valo 3971e705c121SKalle Valo return true; 3972e705c121SKalle Valo } 3973e705c121SKalle Valo 3974dc28e12fSMatti Gottlieb #define AUX_ROC_MIN_DURATION MSEC_TO_TU(100) 3975dc28e12fSMatti Gottlieb #define AUX_ROC_MIN_DELAY MSEC_TO_TU(200) 3976dc28e12fSMatti Gottlieb #define AUX_ROC_MAX_DELAY MSEC_TO_TU(600) 3977dc28e12fSMatti Gottlieb #define AUX_ROC_SAFETY_BUFFER MSEC_TO_TU(20) 3978dc28e12fSMatti Gottlieb #define AUX_ROC_MIN_SAFETY_BUFFER MSEC_TO_TU(10) 3979e705c121SKalle Valo static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm, 3980e705c121SKalle Valo struct ieee80211_channel *channel, 3981e705c121SKalle Valo struct ieee80211_vif *vif, 3982e705c121SKalle Valo int duration) 3983e705c121SKalle Valo { 3984afc1e3b4SAvraham Stern int res; 3985e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3986e705c121SKalle Valo struct iwl_mvm_time_event_data *te_data = &mvmvif->hs_time_event_data; 3987e705c121SKalle Valo static const u16 time_event_response[] = { HOT_SPOT_CMD }; 3988e705c121SKalle Valo struct iwl_notification_wait wait_time_event; 3989dc28e12fSMatti Gottlieb u32 dtim_interval = vif->bss_conf.dtim_period * 3990dc28e12fSMatti Gottlieb vif->bss_conf.beacon_int; 3991dc28e12fSMatti Gottlieb u32 req_dur, delay; 3992e705c121SKalle Valo struct iwl_hs20_roc_req aux_roc_req = { 3993e705c121SKalle Valo .action = cpu_to_le32(FW_CTXT_ACTION_ADD), 3994e705c121SKalle Valo .id_and_color = 3995e705c121SKalle Valo cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX, 0)), 3996e705c121SKalle Valo .sta_id_and_color = cpu_to_le32(mvm->aux_sta.sta_id), 3997e705c121SKalle Valo }; 399857e861d9SDavid Spinadel struct iwl_hs20_roc_req_tail *tail = iwl_mvm_chan_info_cmd_tail(mvm, 399957e861d9SDavid Spinadel &aux_roc_req.channel_info); 400057e861d9SDavid Spinadel u16 len = sizeof(aux_roc_req) - iwl_mvm_chan_info_padding(mvm); 400157e861d9SDavid Spinadel 400257e861d9SDavid Spinadel /* Set the channel info data */ 400357e861d9SDavid Spinadel iwl_mvm_set_chan_info(mvm, &aux_roc_req.channel_info, channel->hw_value, 40043717f91aSTova Mussai iwl_mvm_phy_band_from_nl80211(channel->band), 40057ac87575SJohannes Berg IWL_PHY_CHANNEL_MODE20, 400657e861d9SDavid Spinadel 0); 400757e861d9SDavid Spinadel 400857e861d9SDavid Spinadel /* Set the time and duration */ 4009afc1e3b4SAvraham Stern tail->apply_time = cpu_to_le32(iwl_mvm_get_systime(mvm)); 4010e705c121SKalle Valo 4011dc28e12fSMatti Gottlieb delay = AUX_ROC_MIN_DELAY; 4012dc28e12fSMatti Gottlieb req_dur = MSEC_TO_TU(duration); 4013dc28e12fSMatti Gottlieb 4014dc28e12fSMatti Gottlieb /* 4015dc28e12fSMatti Gottlieb * If we are associated we want the delay time to be at least one 4016dc28e12fSMatti Gottlieb * dtim interval so that the FW can wait until after the DTIM and 4017dc28e12fSMatti Gottlieb * then start the time event, this will potentially allow us to 4018dc28e12fSMatti Gottlieb * remain off-channel for the max duration. 4019dc28e12fSMatti Gottlieb * Since we want to use almost a whole dtim interval we would also 4020dc28e12fSMatti Gottlieb * like the delay to be for 2-3 dtim intervals, in case there are 4021dc28e12fSMatti Gottlieb * other time events with higher priority. 4022dc28e12fSMatti Gottlieb */ 4023f276e20bSJohannes Berg if (vif->cfg.assoc) { 4024dc28e12fSMatti Gottlieb delay = min_t(u32, dtim_interval * 3, AUX_ROC_MAX_DELAY); 4025dc28e12fSMatti Gottlieb /* We cannot remain off-channel longer than the DTIM interval */ 4026dc28e12fSMatti Gottlieb if (dtim_interval <= req_dur) { 4027dc28e12fSMatti Gottlieb req_dur = dtim_interval - AUX_ROC_SAFETY_BUFFER; 4028dc28e12fSMatti Gottlieb if (req_dur <= AUX_ROC_MIN_DURATION) 4029dc28e12fSMatti Gottlieb req_dur = dtim_interval - 4030dc28e12fSMatti Gottlieb AUX_ROC_MIN_SAFETY_BUFFER; 4031dc28e12fSMatti Gottlieb } 4032dc28e12fSMatti Gottlieb } 4033dc28e12fSMatti Gottlieb 403457e861d9SDavid Spinadel tail->duration = cpu_to_le32(req_dur); 403557e861d9SDavid Spinadel tail->apply_time_max_delay = cpu_to_le32(delay); 4036dc28e12fSMatti Gottlieb 4037dc28e12fSMatti Gottlieb IWL_DEBUG_TE(mvm, 4038903b3f9bSEmmanuel Grumbach "ROC: Requesting to remain on channel %u for %ums\n", 4039903b3f9bSEmmanuel Grumbach channel->hw_value, req_dur); 4040903b3f9bSEmmanuel Grumbach IWL_DEBUG_TE(mvm, 4041903b3f9bSEmmanuel Grumbach "\t(requested = %ums, max_delay = %ums, dtim_interval = %ums)\n", 4042903b3f9bSEmmanuel Grumbach duration, delay, dtim_interval); 4043903b3f9bSEmmanuel Grumbach 4044e705c121SKalle Valo /* Set the node address */ 404557e861d9SDavid Spinadel memcpy(tail->node_addr, vif->addr, ETH_ALEN); 4046e705c121SKalle Valo 4047e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 4048e705c121SKalle Valo 4049e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 4050e705c121SKalle Valo 4051e705c121SKalle Valo if (WARN_ON(te_data->id == HOT_SPOT_CMD)) { 4052e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 4053e705c121SKalle Valo return -EIO; 4054e705c121SKalle Valo } 4055e705c121SKalle Valo 4056e705c121SKalle Valo te_data->vif = vif; 4057e705c121SKalle Valo te_data->duration = duration; 4058e705c121SKalle Valo te_data->id = HOT_SPOT_CMD; 4059e705c121SKalle Valo 4060e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 4061e705c121SKalle Valo 4062e705c121SKalle Valo /* 4063e705c121SKalle Valo * Use a notification wait, which really just processes the 4064e705c121SKalle Valo * command response and doesn't wait for anything, in order 4065e705c121SKalle Valo * to be able to process the response and get the UID inside 4066e705c121SKalle Valo * the RX path. Using CMD_WANT_SKB doesn't work because it 4067e705c121SKalle Valo * stores the buffer and then wakes up this thread, by which 4068e705c121SKalle Valo * time another notification (that the time event started) 4069e705c121SKalle Valo * might already be processed unsuccessfully. 4070e705c121SKalle Valo */ 4071e705c121SKalle Valo iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event, 4072e705c121SKalle Valo time_event_response, 4073e705c121SKalle Valo ARRAY_SIZE(time_event_response), 4074e705c121SKalle Valo iwl_mvm_rx_aux_roc, te_data); 4075e705c121SKalle Valo 407657e861d9SDavid Spinadel res = iwl_mvm_send_cmd_pdu(mvm, HOT_SPOT_CMD, 0, len, 4077e705c121SKalle Valo &aux_roc_req); 4078e705c121SKalle Valo 4079e705c121SKalle Valo if (res) { 4080e705c121SKalle Valo IWL_ERR(mvm, "Couldn't send HOT_SPOT_CMD: %d\n", res); 4081e705c121SKalle Valo iwl_remove_notification(&mvm->notif_wait, &wait_time_event); 4082e705c121SKalle Valo goto out_clear_te; 4083e705c121SKalle Valo } 4084e705c121SKalle Valo 4085e705c121SKalle Valo /* No need to wait for anything, so just pass 1 (0 isn't valid) */ 4086e705c121SKalle Valo res = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1); 4087e705c121SKalle Valo /* should never fail */ 4088e705c121SKalle Valo WARN_ON_ONCE(res); 4089e705c121SKalle Valo 4090e705c121SKalle Valo if (res) { 4091e705c121SKalle Valo out_clear_te: 4092e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 4093e705c121SKalle Valo iwl_mvm_te_clear_data(mvm, te_data); 4094e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 4095e705c121SKalle Valo } 4096e705c121SKalle Valo 4097e705c121SKalle Valo return res; 4098e705c121SKalle Valo } 4099e705c121SKalle Valo 4100e705c121SKalle Valo static int iwl_mvm_roc(struct ieee80211_hw *hw, 4101e705c121SKalle Valo struct ieee80211_vif *vif, 4102e705c121SKalle Valo struct ieee80211_channel *channel, 4103e705c121SKalle Valo int duration, 4104e705c121SKalle Valo enum ieee80211_roc_type type) 4105e705c121SKalle Valo { 4106e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4107e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4108e705c121SKalle Valo struct cfg80211_chan_def chandef; 4109e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt; 41108835a64fSJohannes Berg bool band_change_removal; 4111e705c121SKalle Valo int ret, i; 4112e705c121SKalle Valo 4113e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value, 4114e705c121SKalle Valo duration, type); 4115e705c121SKalle Valo 41169834781cSJohannes Berg /* 41179834781cSJohannes Berg * Flush the done work, just in case it's still pending, so that 41189834781cSJohannes Berg * the work it does can complete and we can accept new frames. 41199834781cSJohannes Berg */ 4120e705c121SKalle Valo flush_work(&mvm->roc_done_wk); 4121e705c121SKalle Valo 4122e705c121SKalle Valo mutex_lock(&mvm->mutex); 4123e705c121SKalle Valo 4124e705c121SKalle Valo switch (vif->type) { 4125e705c121SKalle Valo case NL80211_IFTYPE_STATION: 4126e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 4127e705c121SKalle Valo IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT)) { 4128e705c121SKalle Valo /* Use aux roc framework (HS20) */ 4129971cbe50SJohannes Berg if (iwl_fw_lookup_cmd_ver(mvm->fw, ADD_STA, 0) >= 12) { 41302c2c3647SNathan Errera u32 lmac_id; 41312c2c3647SNathan Errera 41322c2c3647SNathan Errera lmac_id = iwl_mvm_get_lmac_id(mvm->fw, 41332c2c3647SNathan Errera channel->band); 41342c2c3647SNathan Errera ret = iwl_mvm_add_aux_sta(mvm, lmac_id); 41352c2c3647SNathan Errera if (WARN(ret, 41362c2c3647SNathan Errera "Failed to allocate aux station")) 41372c2c3647SNathan Errera goto out_unlock; 41382c2c3647SNathan Errera } 4139e705c121SKalle Valo ret = iwl_mvm_send_aux_roc_cmd(mvm, channel, 4140e705c121SKalle Valo vif, duration); 4141e705c121SKalle Valo goto out_unlock; 4142e705c121SKalle Valo } 4143e705c121SKalle Valo IWL_ERR(mvm, "hotspot not supported\n"); 4144e705c121SKalle Valo ret = -EINVAL; 4145e705c121SKalle Valo goto out_unlock; 4146e705c121SKalle Valo case NL80211_IFTYPE_P2P_DEVICE: 4147e705c121SKalle Valo /* handle below */ 4148e705c121SKalle Valo break; 4149e705c121SKalle Valo default: 4150e705c121SKalle Valo IWL_ERR(mvm, "vif isn't P2P_DEVICE: %d\n", vif->type); 4151e705c121SKalle Valo ret = -EINVAL; 4152e705c121SKalle Valo goto out_unlock; 4153e705c121SKalle Valo } 4154e705c121SKalle Valo 4155e705c121SKalle Valo for (i = 0; i < NUM_PHY_CTX; i++) { 4156e705c121SKalle Valo phy_ctxt = &mvm->phy_ctxts[i]; 4157e705c121SKalle Valo if (phy_ctxt->ref == 0 || mvmvif->phy_ctxt == phy_ctxt) 4158e705c121SKalle Valo continue; 4159e705c121SKalle Valo 4160e705c121SKalle Valo if (phy_ctxt->ref && channel == phy_ctxt->channel) { 4161e705c121SKalle Valo /* 4162e705c121SKalle Valo * Unbind the P2P_DEVICE from the current PHY context, 4163e705c121SKalle Valo * and if the PHY context is not used remove it. 4164e705c121SKalle Valo */ 4165e705c121SKalle Valo ret = iwl_mvm_binding_remove_vif(mvm, vif); 4166e705c121SKalle Valo if (WARN(ret, "Failed unbinding P2P_DEVICE\n")) 4167e705c121SKalle Valo goto out_unlock; 4168e705c121SKalle Valo 4169e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); 4170e705c121SKalle Valo 4171e705c121SKalle Valo /* Bind the P2P_DEVICE to the current PHY Context */ 4172e705c121SKalle Valo mvmvif->phy_ctxt = phy_ctxt; 4173e705c121SKalle Valo 4174e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 4175e705c121SKalle Valo if (WARN(ret, "Failed binding P2P_DEVICE\n")) 4176e705c121SKalle Valo goto out_unlock; 4177e705c121SKalle Valo 4178e705c121SKalle Valo iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt); 4179e705c121SKalle Valo goto schedule_time_event; 4180e705c121SKalle Valo } 4181e705c121SKalle Valo } 4182e705c121SKalle Valo 4183e705c121SKalle Valo /* Need to update the PHY context only if the ROC channel changed */ 4184e705c121SKalle Valo if (channel == mvmvif->phy_ctxt->channel) 4185e705c121SKalle Valo goto schedule_time_event; 4186e705c121SKalle Valo 4187e705c121SKalle Valo cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT); 4188e705c121SKalle Valo 4189e705c121SKalle Valo /* 41908835a64fSJohannes Berg * Check if the remain-on-channel is on a different band and that 41918835a64fSJohannes Berg * requires context removal, see iwl_mvm_phy_ctxt_changed(). If 41928835a64fSJohannes Berg * so, we'll need to release and then re-configure here, since we 41938835a64fSJohannes Berg * must not remove a PHY context that's part of a binding. 4194e705c121SKalle Valo */ 41958835a64fSJohannes Berg band_change_removal = 41968835a64fSJohannes Berg fw_has_capa(&mvm->fw->ucode_capa, 41978835a64fSJohannes Berg IWL_UCODE_TLV_CAPA_BINDING_CDB_SUPPORT) && 41988835a64fSJohannes Berg mvmvif->phy_ctxt->channel->band != chandef.chan->band; 41998835a64fSJohannes Berg 42008835a64fSJohannes Berg if (mvmvif->phy_ctxt->ref == 1 && !band_change_removal) { 42018835a64fSJohannes Berg /* 42028835a64fSJohannes Berg * Change the PHY context configuration as it is currently 42038835a64fSJohannes Berg * referenced only by the P2P Device MAC (and we can modify it) 42048835a64fSJohannes Berg */ 4205e705c121SKalle Valo ret = iwl_mvm_phy_ctxt_changed(mvm, mvmvif->phy_ctxt, 4206e705c121SKalle Valo &chandef, 1, 1); 4207e705c121SKalle Valo if (ret) 4208e705c121SKalle Valo goto out_unlock; 4209e705c121SKalle Valo } else { 4210e705c121SKalle Valo /* 42118835a64fSJohannes Berg * The PHY context is shared with other MACs (or we're trying to 42128835a64fSJohannes Berg * switch bands), so remove the P2P Device from the binding, 42138835a64fSJohannes Berg * allocate an new PHY context and create a new binding. 4214e705c121SKalle Valo */ 4215e705c121SKalle Valo phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 4216e705c121SKalle Valo if (!phy_ctxt) { 4217e705c121SKalle Valo ret = -ENOSPC; 4218e705c121SKalle Valo goto out_unlock; 4219e705c121SKalle Valo } 4220e705c121SKalle Valo 4221e705c121SKalle Valo ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &chandef, 4222e705c121SKalle Valo 1, 1); 4223e705c121SKalle Valo if (ret) { 4224e705c121SKalle Valo IWL_ERR(mvm, "Failed to change PHY context\n"); 4225e705c121SKalle Valo goto out_unlock; 4226e705c121SKalle Valo } 4227e705c121SKalle Valo 4228e705c121SKalle Valo /* Unbind the P2P_DEVICE from the current PHY context */ 4229e705c121SKalle Valo ret = iwl_mvm_binding_remove_vif(mvm, vif); 4230e705c121SKalle Valo if (WARN(ret, "Failed unbinding P2P_DEVICE\n")) 4231e705c121SKalle Valo goto out_unlock; 4232e705c121SKalle Valo 4233e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); 4234e705c121SKalle Valo 4235e705c121SKalle Valo /* Bind the P2P_DEVICE to the new allocated PHY context */ 4236e705c121SKalle Valo mvmvif->phy_ctxt = phy_ctxt; 4237e705c121SKalle Valo 4238e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 4239e705c121SKalle Valo if (WARN(ret, "Failed binding P2P_DEVICE\n")) 4240e705c121SKalle Valo goto out_unlock; 4241e705c121SKalle Valo 4242e705c121SKalle Valo iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt); 4243e705c121SKalle Valo } 4244e705c121SKalle Valo 4245e705c121SKalle Valo schedule_time_event: 4246e705c121SKalle Valo /* Schedule the time events */ 4247e705c121SKalle Valo ret = iwl_mvm_start_p2p_roc(mvm, vif, duration, type); 4248e705c121SKalle Valo 4249e705c121SKalle Valo out_unlock: 4250e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4251e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "leave\n"); 4252e705c121SKalle Valo return ret; 4253e705c121SKalle Valo } 4254e705c121SKalle Valo 42555db4c4b9SEmmanuel Grumbach static int iwl_mvm_cancel_roc(struct ieee80211_hw *hw, 42565db4c4b9SEmmanuel Grumbach struct ieee80211_vif *vif) 4257e705c121SKalle Valo { 4258e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4259e705c121SKalle Valo 4260e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "enter\n"); 4261e705c121SKalle Valo 4262e705c121SKalle Valo mutex_lock(&mvm->mutex); 4263fe959c7bSEmmanuel Grumbach iwl_mvm_stop_roc(mvm, vif); 4264e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4265e705c121SKalle Valo 4266e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "leave\n"); 4267e705c121SKalle Valo return 0; 4268e705c121SKalle Valo } 4269e705c121SKalle Valo 4270b73f9a4aSJohannes Berg struct iwl_mvm_ftm_responder_iter_data { 4271b73f9a4aSJohannes Berg bool responder; 4272b73f9a4aSJohannes Berg struct ieee80211_chanctx_conf *ctx; 4273b73f9a4aSJohannes Berg }; 4274b73f9a4aSJohannes Berg 4275b73f9a4aSJohannes Berg static void iwl_mvm_ftm_responder_chanctx_iter(void *_data, u8 *mac, 4276b73f9a4aSJohannes Berg struct ieee80211_vif *vif) 4277b73f9a4aSJohannes Berg { 4278b73f9a4aSJohannes Berg struct iwl_mvm_ftm_responder_iter_data *data = _data; 4279b73f9a4aSJohannes Berg 4280d0a9123eSJohannes Berg if (rcu_access_pointer(vif->bss_conf.chanctx_conf) == data->ctx && 4281b73f9a4aSJohannes Berg vif->type == NL80211_IFTYPE_AP && vif->bss_conf.ftmr_params) 4282b73f9a4aSJohannes Berg data->responder = true; 4283b73f9a4aSJohannes Berg } 4284b73f9a4aSJohannes Berg 4285b73f9a4aSJohannes Berg static bool iwl_mvm_is_ftm_responder_chanctx(struct iwl_mvm *mvm, 4286b73f9a4aSJohannes Berg struct ieee80211_chanctx_conf *ctx) 4287b73f9a4aSJohannes Berg { 4288b73f9a4aSJohannes Berg struct iwl_mvm_ftm_responder_iter_data data = { 4289b73f9a4aSJohannes Berg .responder = false, 4290b73f9a4aSJohannes Berg .ctx = ctx, 4291b73f9a4aSJohannes Berg }; 4292b73f9a4aSJohannes Berg 4293b73f9a4aSJohannes Berg ieee80211_iterate_active_interfaces_atomic(mvm->hw, 4294b73f9a4aSJohannes Berg IEEE80211_IFACE_ITER_NORMAL, 4295b73f9a4aSJohannes Berg iwl_mvm_ftm_responder_chanctx_iter, 4296b73f9a4aSJohannes Berg &data); 4297b73f9a4aSJohannes Berg return data.responder; 4298b73f9a4aSJohannes Berg } 4299b73f9a4aSJohannes Berg 4300e705c121SKalle Valo static int __iwl_mvm_add_chanctx(struct iwl_mvm *mvm, 4301e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 4302e705c121SKalle Valo { 4303e705c121SKalle Valo u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 4304e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt; 4305b73f9a4aSJohannes Berg bool responder = iwl_mvm_is_ftm_responder_chanctx(mvm, ctx); 4306b73f9a4aSJohannes Berg struct cfg80211_chan_def *def = responder ? &ctx->def : &ctx->min_def; 4307e705c121SKalle Valo int ret; 4308e705c121SKalle Valo 4309e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 4310e705c121SKalle Valo 4311e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "Add channel context\n"); 4312e705c121SKalle Valo 4313e705c121SKalle Valo phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 4314e705c121SKalle Valo if (!phy_ctxt) { 4315e705c121SKalle Valo ret = -ENOSPC; 4316e705c121SKalle Valo goto out; 4317e705c121SKalle Valo } 4318e705c121SKalle Valo 4319b73f9a4aSJohannes Berg ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, def, 4320e705c121SKalle Valo ctx->rx_chains_static, 4321e705c121SKalle Valo ctx->rx_chains_dynamic); 4322e705c121SKalle Valo if (ret) { 4323e705c121SKalle Valo IWL_ERR(mvm, "Failed to add PHY context\n"); 4324e705c121SKalle Valo goto out; 4325e705c121SKalle Valo } 4326e705c121SKalle Valo 4327e705c121SKalle Valo iwl_mvm_phy_ctxt_ref(mvm, phy_ctxt); 4328e705c121SKalle Valo *phy_ctxt_id = phy_ctxt->id; 4329e705c121SKalle Valo out: 4330e705c121SKalle Valo return ret; 4331e705c121SKalle Valo } 4332e705c121SKalle Valo 4333e705c121SKalle Valo static int iwl_mvm_add_chanctx(struct ieee80211_hw *hw, 4334e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 4335e705c121SKalle Valo { 4336e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4337e705c121SKalle Valo int ret; 4338e705c121SKalle Valo 4339e705c121SKalle Valo mutex_lock(&mvm->mutex); 4340e705c121SKalle Valo ret = __iwl_mvm_add_chanctx(mvm, ctx); 4341e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4342e705c121SKalle Valo 4343e705c121SKalle Valo return ret; 4344e705c121SKalle Valo } 4345e705c121SKalle Valo 4346e705c121SKalle Valo static void __iwl_mvm_remove_chanctx(struct iwl_mvm *mvm, 4347e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 4348e705c121SKalle Valo { 4349e705c121SKalle Valo u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 4350e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 4351e705c121SKalle Valo 4352e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 4353e705c121SKalle Valo 4354e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt); 4355e705c121SKalle Valo } 4356e705c121SKalle Valo 4357e705c121SKalle Valo static void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw, 4358e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 4359e705c121SKalle Valo { 4360e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4361e705c121SKalle Valo 4362e705c121SKalle Valo mutex_lock(&mvm->mutex); 4363e705c121SKalle Valo __iwl_mvm_remove_chanctx(mvm, ctx); 4364e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4365e705c121SKalle Valo } 4366e705c121SKalle Valo 4367e705c121SKalle Valo static void iwl_mvm_change_chanctx(struct ieee80211_hw *hw, 4368e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx, 4369e705c121SKalle Valo u32 changed) 4370e705c121SKalle Valo { 4371e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4372e705c121SKalle Valo u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 4373e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 4374b73f9a4aSJohannes Berg bool responder = iwl_mvm_is_ftm_responder_chanctx(mvm, ctx); 4375b73f9a4aSJohannes Berg struct cfg80211_chan_def *def = responder ? &ctx->def : &ctx->min_def; 4376e705c121SKalle Valo 4377e705c121SKalle Valo if (WARN_ONCE((phy_ctxt->ref > 1) && 4378e705c121SKalle Valo (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH | 4379e705c121SKalle Valo IEEE80211_CHANCTX_CHANGE_RX_CHAINS | 4380e705c121SKalle Valo IEEE80211_CHANCTX_CHANGE_RADAR | 4381e705c121SKalle Valo IEEE80211_CHANCTX_CHANGE_MIN_WIDTH)), 4382e705c121SKalle Valo "Cannot change PHY. Ref=%d, changed=0x%X\n", 4383e705c121SKalle Valo phy_ctxt->ref, changed)) 4384e705c121SKalle Valo return; 4385e705c121SKalle Valo 4386e705c121SKalle Valo mutex_lock(&mvm->mutex); 43877a20bcceSEmmanuel Grumbach 43887a20bcceSEmmanuel Grumbach /* we are only changing the min_width, may be a noop */ 43897a20bcceSEmmanuel Grumbach if (changed == IEEE80211_CHANCTX_CHANGE_MIN_WIDTH) { 4390b73f9a4aSJohannes Berg if (phy_ctxt->width == def->width) 43917a20bcceSEmmanuel Grumbach goto out_unlock; 43927a20bcceSEmmanuel Grumbach 43937a20bcceSEmmanuel Grumbach /* we are just toggling between 20_NOHT and 20 */ 43947a20bcceSEmmanuel Grumbach if (phy_ctxt->width <= NL80211_CHAN_WIDTH_20 && 4395b73f9a4aSJohannes Berg def->width <= NL80211_CHAN_WIDTH_20) 43967a20bcceSEmmanuel Grumbach goto out_unlock; 43977a20bcceSEmmanuel Grumbach } 43987a20bcceSEmmanuel Grumbach 4399e705c121SKalle Valo iwl_mvm_bt_coex_vif_change(mvm); 4400b73f9a4aSJohannes Berg iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, def, 4401e705c121SKalle Valo ctx->rx_chains_static, 4402e705c121SKalle Valo ctx->rx_chains_dynamic); 44037a20bcceSEmmanuel Grumbach 44047a20bcceSEmmanuel Grumbach out_unlock: 4405e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4406e705c121SKalle Valo } 4407e705c121SKalle Valo 4408*8a919a78SMiri Korenblit /* 4409*8a919a78SMiri Korenblit * This function executes the common part for MLD and non-MLD modes. 4410*8a919a78SMiri Korenblit * 4411*8a919a78SMiri Korenblit * Returns true if we're done assigning the chanctx 4412*8a919a78SMiri Korenblit * (either on failure or success) 4413*8a919a78SMiri Korenblit */ 4414*8a919a78SMiri Korenblit static bool __iwl_mvm_assign_vif_chanctx_common(struct iwl_mvm *mvm, 4415e705c121SKalle Valo struct ieee80211_vif *vif, 4416e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx, 4417*8a919a78SMiri Korenblit bool switching_chanctx, 4418*8a919a78SMiri Korenblit int *ret) 4419e705c121SKalle Valo { 4420e705c121SKalle Valo u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 4421e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 4422e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4423e705c121SKalle Valo 4424e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 4425e705c121SKalle Valo 4426e705c121SKalle Valo mvmvif->phy_ctxt = phy_ctxt; 4427e705c121SKalle Valo 4428e705c121SKalle Valo switch (vif->type) { 4429e705c121SKalle Valo case NL80211_IFTYPE_AP: 4430e705c121SKalle Valo /* only needed if we're switching chanctx (i.e. during CSA) */ 4431e705c121SKalle Valo if (switching_chanctx) { 4432e705c121SKalle Valo mvmvif->ap_ibss_active = true; 4433e705c121SKalle Valo break; 4434e705c121SKalle Valo } 44355a2abdcaSGustavo A. R. Silva fallthrough; 4436e705c121SKalle Valo case NL80211_IFTYPE_ADHOC: 4437e705c121SKalle Valo /* 4438e705c121SKalle Valo * The AP binding flow is handled as part of the start_ap flow 4439e705c121SKalle Valo * (in bss_info_changed), similarly for IBSS. 4440e705c121SKalle Valo */ 4441*8a919a78SMiri Korenblit *ret = 0; 4442*8a919a78SMiri Korenblit return true; 4443e705c121SKalle Valo case NL80211_IFTYPE_STATION: 4444e705c121SKalle Valo break; 4445e705c121SKalle Valo case NL80211_IFTYPE_MONITOR: 4446e705c121SKalle Valo /* always disable PS when a monitor interface is active */ 4447e705c121SKalle Valo mvmvif->ps_disabled = true; 4448e705c121SKalle Valo break; 4449e705c121SKalle Valo default: 4450*8a919a78SMiri Korenblit *ret = -EINVAL; 4451*8a919a78SMiri Korenblit return true; 4452e705c121SKalle Valo } 4453*8a919a78SMiri Korenblit return false; 4454*8a919a78SMiri Korenblit } 4455*8a919a78SMiri Korenblit 4456*8a919a78SMiri Korenblit static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm, 4457*8a919a78SMiri Korenblit struct ieee80211_vif *vif, 4458*8a919a78SMiri Korenblit struct ieee80211_chanctx_conf *ctx, 4459*8a919a78SMiri Korenblit bool switching_chanctx) 4460*8a919a78SMiri Korenblit { 4461*8a919a78SMiri Korenblit struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4462*8a919a78SMiri Korenblit int ret; 4463*8a919a78SMiri Korenblit 4464*8a919a78SMiri Korenblit if (__iwl_mvm_assign_vif_chanctx_common(mvm, vif, ctx, 4465*8a919a78SMiri Korenblit switching_chanctx, &ret)) 4466*8a919a78SMiri Korenblit goto out; 4467e705c121SKalle Valo 4468e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 4469e705c121SKalle Valo if (ret) 4470e705c121SKalle Valo goto out; 4471e705c121SKalle Valo 4472e705c121SKalle Valo /* 4473e705c121SKalle Valo * Power state must be updated before quotas, 4474e705c121SKalle Valo * otherwise fw will complain. 4475e705c121SKalle Valo */ 4476e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 4477e705c121SKalle Valo 4478e705c121SKalle Valo /* Setting the quota at this stage is only required for monitor 4479e705c121SKalle Valo * interfaces. For the other types, the bss_info changed flow 4480e705c121SKalle Valo * will handle quota settings. 4481e705c121SKalle Valo */ 4482e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_MONITOR) { 4483e705c121SKalle Valo mvmvif->monitor_active = true; 4484e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, false, NULL); 4485e705c121SKalle Valo if (ret) 4486e705c121SKalle Valo goto out_remove_binding; 44870e39eb03SChaya Rachel Ivgi 44880e39eb03SChaya Rachel Ivgi ret = iwl_mvm_add_snif_sta(mvm, vif); 44890e39eb03SChaya Rachel Ivgi if (ret) 44900e39eb03SChaya Rachel Ivgi goto out_remove_binding; 44910e39eb03SChaya Rachel Ivgi 4492e705c121SKalle Valo } 4493e705c121SKalle Valo 4494e705c121SKalle Valo /* Handle binding during CSA */ 4495e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP) { 4496e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, NULL); 4497e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 4498e705c121SKalle Valo } 4499e705c121SKalle Valo 4500*8a919a78SMiri Korenblit if (vif->type == NL80211_IFTYPE_STATION) { 4501*8a919a78SMiri Korenblit if (!switching_chanctx) { 4502*8a919a78SMiri Korenblit mvmvif->csa_bcn_pending = false; 4503*8a919a78SMiri Korenblit goto out; 4504*8a919a78SMiri Korenblit } 4505*8a919a78SMiri Korenblit 450674a10252SSara Sharon mvmvif->csa_bcn_pending = true; 450774a10252SSara Sharon 450874a10252SSara Sharon if (!fw_has_capa(&mvm->fw->ucode_capa, 450974a10252SSara Sharon IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 451019125cb0SAndrei Otcheretianski u32 duration = 3 * vif->bss_conf.beacon_int; 4511e705c121SKalle Valo 4512e705c121SKalle Valo /* Protect the session to make sure we hear the first 4513e705c121SKalle Valo * beacon on the new channel. 4514e705c121SKalle Valo */ 4515e705c121SKalle Valo iwl_mvm_protect_session(mvm, vif, duration, duration, 4516e705c121SKalle Valo vif->bss_conf.beacon_int / 2, 4517e705c121SKalle Valo true); 451874a10252SSara Sharon } 4519e705c121SKalle Valo 4520e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, NULL); 4521e705c121SKalle Valo } 4522e705c121SKalle Valo 4523e705c121SKalle Valo goto out; 4524e705c121SKalle Valo 4525e705c121SKalle Valo out_remove_binding: 4526e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 4527e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 4528e705c121SKalle Valo out: 4529e705c121SKalle Valo if (ret) 4530e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 4531e705c121SKalle Valo return ret; 4532e705c121SKalle Valo } 4533*8a919a78SMiri Korenblit 4534e705c121SKalle Valo static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw, 4535e705c121SKalle Valo struct ieee80211_vif *vif, 4536727eff4dSGregory Greenman struct ieee80211_bss_conf *link_conf, 4537e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 4538e705c121SKalle Valo { 4539e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4540e705c121SKalle Valo int ret; 4541e705c121SKalle Valo 4542e705c121SKalle Valo mutex_lock(&mvm->mutex); 4543e705c121SKalle Valo ret = __iwl_mvm_assign_vif_chanctx(mvm, vif, ctx, false); 4544e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4545e705c121SKalle Valo 4546e705c121SKalle Valo return ret; 4547e705c121SKalle Valo } 4548e705c121SKalle Valo 4549e705c121SKalle Valo static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm, 4550e705c121SKalle Valo struct ieee80211_vif *vif, 4551e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx, 4552e705c121SKalle Valo bool switching_chanctx) 4553e705c121SKalle Valo { 4554e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4555e705c121SKalle Valo struct ieee80211_vif *disabled_vif = NULL; 4556e705c121SKalle Valo 4557e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 4558e705c121SKalle Valo iwl_mvm_remove_time_event(mvm, mvmvif, &mvmvif->time_event_data); 4559e705c121SKalle Valo 4560e705c121SKalle Valo switch (vif->type) { 4561e705c121SKalle Valo case NL80211_IFTYPE_ADHOC: 4562e705c121SKalle Valo goto out; 4563e705c121SKalle Valo case NL80211_IFTYPE_MONITOR: 4564e705c121SKalle Valo mvmvif->monitor_active = false; 4565e705c121SKalle Valo mvmvif->ps_disabled = false; 45660e39eb03SChaya Rachel Ivgi iwl_mvm_rm_snif_sta(mvm, vif); 4567e705c121SKalle Valo break; 4568e705c121SKalle Valo case NL80211_IFTYPE_AP: 4569e705c121SKalle Valo /* This part is triggered only during CSA */ 4570e705c121SKalle Valo if (!switching_chanctx || !mvmvif->ap_ibss_active) 4571e705c121SKalle Valo goto out; 4572e705c121SKalle Valo 4573e705c121SKalle Valo mvmvif->csa_countdown = false; 4574e705c121SKalle Valo 4575e705c121SKalle Valo /* Set CS bit on all the stations */ 4576e705c121SKalle Valo iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, true); 4577e705c121SKalle Valo 4578e705c121SKalle Valo /* Save blocked iface, the timeout is set on the next beacon */ 4579e705c121SKalle Valo rcu_assign_pointer(mvm->csa_tx_blocked_vif, vif); 4580e705c121SKalle Valo 4581e705c121SKalle Valo mvmvif->ap_ibss_active = false; 4582e705c121SKalle Valo break; 4583e705c121SKalle Valo case NL80211_IFTYPE_STATION: 4584e705c121SKalle Valo if (!switching_chanctx) 4585e705c121SKalle Valo break; 4586e705c121SKalle Valo 4587e705c121SKalle Valo disabled_vif = vif; 4588e705c121SKalle Valo 458974a10252SSara Sharon if (!fw_has_capa(&mvm->fw->ucode_capa, 459074a10252SSara Sharon IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) 4591e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, true, NULL); 4592e705c121SKalle Valo break; 4593e705c121SKalle Valo default: 4594e705c121SKalle Valo break; 4595e705c121SKalle Valo } 4596e705c121SKalle Valo 4597e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, disabled_vif); 4598e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 4599e705c121SKalle Valo 4600e705c121SKalle Valo out: 4601bf544e9aSSara Sharon if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD) && 4602bf544e9aSSara Sharon switching_chanctx) 4603bf544e9aSSara Sharon return; 4604e705c121SKalle Valo mvmvif->phy_ctxt = NULL; 4605e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 4606e705c121SKalle Valo } 4607e705c121SKalle Valo 4608e705c121SKalle Valo static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw, 4609e705c121SKalle Valo struct ieee80211_vif *vif, 4610727eff4dSGregory Greenman struct ieee80211_bss_conf *link_conf, 4611e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 4612e705c121SKalle Valo { 4613e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4614e705c121SKalle Valo 4615e705c121SKalle Valo mutex_lock(&mvm->mutex); 4616e705c121SKalle Valo __iwl_mvm_unassign_vif_chanctx(mvm, vif, ctx, false); 4617e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4618e705c121SKalle Valo } 4619e705c121SKalle Valo 4620e705c121SKalle Valo static int 4621e705c121SKalle Valo iwl_mvm_switch_vif_chanctx_swap(struct iwl_mvm *mvm, 4622e705c121SKalle Valo struct ieee80211_vif_chanctx_switch *vifs) 4623e705c121SKalle Valo { 4624e705c121SKalle Valo int ret; 4625e705c121SKalle Valo 4626e705c121SKalle Valo mutex_lock(&mvm->mutex); 4627e705c121SKalle Valo __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true); 4628e705c121SKalle Valo __iwl_mvm_remove_chanctx(mvm, vifs[0].old_ctx); 4629e705c121SKalle Valo 4630e705c121SKalle Valo ret = __iwl_mvm_add_chanctx(mvm, vifs[0].new_ctx); 4631e705c121SKalle Valo if (ret) { 4632e705c121SKalle Valo IWL_ERR(mvm, "failed to add new_ctx during channel switch\n"); 4633e705c121SKalle Valo goto out_reassign; 4634e705c121SKalle Valo } 4635e705c121SKalle Valo 4636e705c121SKalle Valo ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx, 4637e705c121SKalle Valo true); 4638e705c121SKalle Valo if (ret) { 4639e705c121SKalle Valo IWL_ERR(mvm, 4640e705c121SKalle Valo "failed to assign new_ctx during channel switch\n"); 4641e705c121SKalle Valo goto out_remove; 4642e705c121SKalle Valo } 4643e705c121SKalle Valo 4644e705c121SKalle Valo /* we don't support TDLS during DCM - can be caused by channel switch */ 4645e705c121SKalle Valo if (iwl_mvm_phy_ctx_count(mvm) > 1) 4646e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 4647e705c121SKalle Valo 4648e705c121SKalle Valo goto out; 4649e705c121SKalle Valo 4650e705c121SKalle Valo out_remove: 4651e705c121SKalle Valo __iwl_mvm_remove_chanctx(mvm, vifs[0].new_ctx); 4652e705c121SKalle Valo 4653e705c121SKalle Valo out_reassign: 4654e705c121SKalle Valo if (__iwl_mvm_add_chanctx(mvm, vifs[0].old_ctx)) { 4655e705c121SKalle Valo IWL_ERR(mvm, "failed to add old_ctx back after failure.\n"); 4656e705c121SKalle Valo goto out_restart; 4657e705c121SKalle Valo } 4658e705c121SKalle Valo 4659e705c121SKalle Valo if (__iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, 4660e705c121SKalle Valo true)) { 4661e705c121SKalle Valo IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); 4662e705c121SKalle Valo goto out_restart; 4663e705c121SKalle Valo } 4664e705c121SKalle Valo 4665e705c121SKalle Valo goto out; 4666e705c121SKalle Valo 4667e705c121SKalle Valo out_restart: 4668e705c121SKalle Valo /* things keep failing, better restart the hw */ 4669e705c121SKalle Valo iwl_mvm_nic_restart(mvm, false); 4670e705c121SKalle Valo 4671e705c121SKalle Valo out: 4672e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4673e705c121SKalle Valo 4674e705c121SKalle Valo return ret; 4675e705c121SKalle Valo } 4676e705c121SKalle Valo 4677e705c121SKalle Valo static int 4678e705c121SKalle Valo iwl_mvm_switch_vif_chanctx_reassign(struct iwl_mvm *mvm, 4679e705c121SKalle Valo struct ieee80211_vif_chanctx_switch *vifs) 4680e705c121SKalle Valo { 4681e705c121SKalle Valo int ret; 4682e705c121SKalle Valo 4683e705c121SKalle Valo mutex_lock(&mvm->mutex); 4684e705c121SKalle Valo __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true); 4685e705c121SKalle Valo 4686e705c121SKalle Valo ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx, 4687e705c121SKalle Valo true); 4688e705c121SKalle Valo if (ret) { 4689e705c121SKalle Valo IWL_ERR(mvm, 4690e705c121SKalle Valo "failed to assign new_ctx during channel switch\n"); 4691e705c121SKalle Valo goto out_reassign; 4692e705c121SKalle Valo } 4693e705c121SKalle Valo 4694e705c121SKalle Valo goto out; 4695e705c121SKalle Valo 4696e705c121SKalle Valo out_reassign: 4697e705c121SKalle Valo if (__iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, 4698e705c121SKalle Valo true)) { 4699e705c121SKalle Valo IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); 4700e705c121SKalle Valo goto out_restart; 4701e705c121SKalle Valo } 4702e705c121SKalle Valo 4703e705c121SKalle Valo goto out; 4704e705c121SKalle Valo 4705e705c121SKalle Valo out_restart: 4706e705c121SKalle Valo /* things keep failing, better restart the hw */ 4707e705c121SKalle Valo iwl_mvm_nic_restart(mvm, false); 4708e705c121SKalle Valo 4709e705c121SKalle Valo out: 4710e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4711e705c121SKalle Valo 4712e705c121SKalle Valo return ret; 4713e705c121SKalle Valo } 4714e705c121SKalle Valo 4715e705c121SKalle Valo static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw *hw, 4716e705c121SKalle Valo struct ieee80211_vif_chanctx_switch *vifs, 4717e705c121SKalle Valo int n_vifs, 4718e705c121SKalle Valo enum ieee80211_chanctx_switch_mode mode) 4719e705c121SKalle Valo { 4720e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4721e705c121SKalle Valo int ret; 4722e705c121SKalle Valo 4723e705c121SKalle Valo /* we only support a single-vif right now */ 4724e705c121SKalle Valo if (n_vifs > 1) 4725e705c121SKalle Valo return -EOPNOTSUPP; 4726e705c121SKalle Valo 4727e705c121SKalle Valo switch (mode) { 4728e705c121SKalle Valo case CHANCTX_SWMODE_SWAP_CONTEXTS: 4729e705c121SKalle Valo ret = iwl_mvm_switch_vif_chanctx_swap(mvm, vifs); 4730e705c121SKalle Valo break; 4731e705c121SKalle Valo case CHANCTX_SWMODE_REASSIGN_VIF: 4732e705c121SKalle Valo ret = iwl_mvm_switch_vif_chanctx_reassign(mvm, vifs); 4733e705c121SKalle Valo break; 4734e705c121SKalle Valo default: 4735e705c121SKalle Valo ret = -EOPNOTSUPP; 4736e705c121SKalle Valo break; 4737e705c121SKalle Valo } 4738e705c121SKalle Valo 4739e705c121SKalle Valo return ret; 4740e705c121SKalle Valo } 4741e705c121SKalle Valo 47422f0282dbSJohannes Berg static int iwl_mvm_tx_last_beacon(struct ieee80211_hw *hw) 47432f0282dbSJohannes Berg { 47442f0282dbSJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 47452f0282dbSJohannes Berg 47462f0282dbSJohannes Berg return mvm->ibss_manager; 47472f0282dbSJohannes Berg } 47482f0282dbSJohannes Berg 4749e705c121SKalle Valo static int iwl_mvm_set_tim(struct ieee80211_hw *hw, 4750e705c121SKalle Valo struct ieee80211_sta *sta, 4751e705c121SKalle Valo bool set) 4752e705c121SKalle Valo { 4753e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4754e705c121SKalle Valo struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 4755e705c121SKalle Valo 4756e705c121SKalle Valo if (!mvm_sta || !mvm_sta->vif) { 4757e705c121SKalle Valo IWL_ERR(mvm, "Station is not associated to a vif\n"); 4758e705c121SKalle Valo return -EINVAL; 4759e705c121SKalle Valo } 4760e705c121SKalle Valo 4761e705c121SKalle Valo return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif); 4762e705c121SKalle Valo } 4763e705c121SKalle Valo 4764e705c121SKalle Valo #ifdef CONFIG_NL80211_TESTMODE 4765e705c121SKalle Valo static const struct nla_policy iwl_mvm_tm_policy[IWL_MVM_TM_ATTR_MAX + 1] = { 4766e705c121SKalle Valo [IWL_MVM_TM_ATTR_CMD] = { .type = NLA_U32 }, 4767e705c121SKalle Valo [IWL_MVM_TM_ATTR_NOA_DURATION] = { .type = NLA_U32 }, 4768e705c121SKalle Valo [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE] = { .type = NLA_U32 }, 4769e705c121SKalle Valo }; 4770e705c121SKalle Valo 4771e705c121SKalle Valo static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm, 4772e705c121SKalle Valo struct ieee80211_vif *vif, 4773e705c121SKalle Valo void *data, int len) 4774e705c121SKalle Valo { 4775e705c121SKalle Valo struct nlattr *tb[IWL_MVM_TM_ATTR_MAX + 1]; 4776e705c121SKalle Valo int err; 4777e705c121SKalle Valo u32 noa_duration; 4778e705c121SKalle Valo 47798cb08174SJohannes Berg err = nla_parse_deprecated(tb, IWL_MVM_TM_ATTR_MAX, data, len, 47808cb08174SJohannes Berg iwl_mvm_tm_policy, NULL); 4781e705c121SKalle Valo if (err) 4782e705c121SKalle Valo return err; 4783e705c121SKalle Valo 4784e705c121SKalle Valo if (!tb[IWL_MVM_TM_ATTR_CMD]) 4785e705c121SKalle Valo return -EINVAL; 4786e705c121SKalle Valo 4787e705c121SKalle Valo switch (nla_get_u32(tb[IWL_MVM_TM_ATTR_CMD])) { 4788e705c121SKalle Valo case IWL_MVM_TM_CMD_SET_NOA: 4789e705c121SKalle Valo if (!vif || vif->type != NL80211_IFTYPE_AP || !vif->p2p || 4790e705c121SKalle Valo !vif->bss_conf.enable_beacon || 4791e705c121SKalle Valo !tb[IWL_MVM_TM_ATTR_NOA_DURATION]) 4792e705c121SKalle Valo return -EINVAL; 4793e705c121SKalle Valo 4794e705c121SKalle Valo noa_duration = nla_get_u32(tb[IWL_MVM_TM_ATTR_NOA_DURATION]); 4795e705c121SKalle Valo if (noa_duration >= vif->bss_conf.beacon_int) 4796e705c121SKalle Valo return -EINVAL; 4797e705c121SKalle Valo 4798e705c121SKalle Valo mvm->noa_duration = noa_duration; 4799e705c121SKalle Valo mvm->noa_vif = vif; 4800e705c121SKalle Valo 480122b21041SShaul Triebitz return iwl_mvm_update_quotas(mvm, true, NULL); 4802e705c121SKalle Valo case IWL_MVM_TM_CMD_SET_BEACON_FILTER: 4803e705c121SKalle Valo /* must be associated client vif - ignore authorized */ 4804e705c121SKalle Valo if (!vif || vif->type != NL80211_IFTYPE_STATION || 4805f276e20bSJohannes Berg !vif->cfg.assoc || !vif->bss_conf.dtim_period || 4806e705c121SKalle Valo !tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE]) 4807e705c121SKalle Valo return -EINVAL; 4808e705c121SKalle Valo 4809e705c121SKalle Valo if (nla_get_u32(tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE])) 4810e705c121SKalle Valo return iwl_mvm_enable_beacon_filter(mvm, vif, 0); 4811e705c121SKalle Valo return iwl_mvm_disable_beacon_filter(mvm, vif, 0); 4812e705c121SKalle Valo } 4813e705c121SKalle Valo 4814e705c121SKalle Valo return -EOPNOTSUPP; 4815e705c121SKalle Valo } 4816e705c121SKalle Valo 4817e705c121SKalle Valo static int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw *hw, 4818e705c121SKalle Valo struct ieee80211_vif *vif, 4819e705c121SKalle Valo void *data, int len) 4820e705c121SKalle Valo { 4821e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4822e705c121SKalle Valo int err; 4823e705c121SKalle Valo 4824e705c121SKalle Valo mutex_lock(&mvm->mutex); 4825e705c121SKalle Valo err = __iwl_mvm_mac_testmode_cmd(mvm, vif, data, len); 4826e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4827e705c121SKalle Valo 4828e705c121SKalle Valo return err; 4829e705c121SKalle Valo } 4830e705c121SKalle Valo #endif 4831e705c121SKalle Valo 4832e705c121SKalle Valo static void iwl_mvm_channel_switch(struct ieee80211_hw *hw, 4833e705c121SKalle Valo struct ieee80211_vif *vif, 4834e705c121SKalle Valo struct ieee80211_channel_switch *chsw) 4835e705c121SKalle Valo { 4836e705c121SKalle Valo /* By implementing this operation, we prevent mac80211 from 4837e705c121SKalle Valo * starting its own channel switch timer, so that we can call 4838e705c121SKalle Valo * ieee80211_chswitch_done() ourselves at the right time 4839e705c121SKalle Valo * (which is when the absence time event starts). 4840e705c121SKalle Valo */ 4841e705c121SKalle Valo 4842e705c121SKalle Valo IWL_DEBUG_MAC80211(IWL_MAC80211_GET_MVM(hw), 4843e705c121SKalle Valo "dummy channel switch op\n"); 4844e705c121SKalle Valo } 4845e705c121SKalle Valo 484674a10252SSara Sharon static int iwl_mvm_schedule_client_csa(struct iwl_mvm *mvm, 484774a10252SSara Sharon struct ieee80211_vif *vif, 484874a10252SSara Sharon struct ieee80211_channel_switch *chsw) 484974a10252SSara Sharon { 485074a10252SSara Sharon struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 485174a10252SSara Sharon struct iwl_chan_switch_te_cmd cmd = { 485274a10252SSara Sharon .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 485374a10252SSara Sharon mvmvif->color)), 485474a10252SSara Sharon .action = cpu_to_le32(FW_CTXT_ACTION_ADD), 485574a10252SSara Sharon .tsf = cpu_to_le32(chsw->timestamp), 485674a10252SSara Sharon .cs_count = chsw->count, 485777738865SSara Sharon .cs_mode = chsw->block_tx, 485874a10252SSara Sharon }; 485974a10252SSara Sharon 486074a10252SSara Sharon lockdep_assert_held(&mvm->mutex); 486174a10252SSara Sharon 48629cfcf71cSSara Sharon if (chsw->delay) 48639cfcf71cSSara Sharon cmd.cs_delayed_bcn_count = 48649cfcf71cSSara Sharon DIV_ROUND_UP(chsw->delay, vif->bss_conf.beacon_int); 48659cfcf71cSSara Sharon 486674a10252SSara Sharon return iwl_mvm_send_cmd_pdu(mvm, 486774a10252SSara Sharon WIDE_ID(MAC_CONF_GROUP, 486874a10252SSara Sharon CHANNEL_SWITCH_TIME_EVENT_CMD), 486974a10252SSara Sharon 0, sizeof(cmd), &cmd); 487074a10252SSara Sharon } 487174a10252SSara Sharon 48720202bcf0SEmmanuel Grumbach static int iwl_mvm_old_pre_chan_sw_sta(struct iwl_mvm *mvm, 48730202bcf0SEmmanuel Grumbach struct ieee80211_vif *vif, 48740202bcf0SEmmanuel Grumbach struct ieee80211_channel_switch *chsw) 48750202bcf0SEmmanuel Grumbach { 48760202bcf0SEmmanuel Grumbach struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 48770202bcf0SEmmanuel Grumbach u32 apply_time; 48780202bcf0SEmmanuel Grumbach 48790202bcf0SEmmanuel Grumbach /* Schedule the time event to a bit before beacon 1, 48800202bcf0SEmmanuel Grumbach * to make sure we're in the new channel when the 48810202bcf0SEmmanuel Grumbach * GO/AP arrives. In case count <= 1 immediately schedule the 48820202bcf0SEmmanuel Grumbach * TE (this might result with some packet loss or connection 48830202bcf0SEmmanuel Grumbach * loss). 48840202bcf0SEmmanuel Grumbach */ 48850202bcf0SEmmanuel Grumbach if (chsw->count <= 1) 48860202bcf0SEmmanuel Grumbach apply_time = 0; 48870202bcf0SEmmanuel Grumbach else 48880202bcf0SEmmanuel Grumbach apply_time = chsw->device_timestamp + 48890202bcf0SEmmanuel Grumbach ((vif->bss_conf.beacon_int * (chsw->count - 1) - 48900202bcf0SEmmanuel Grumbach IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT) * 1024); 48910202bcf0SEmmanuel Grumbach 48920202bcf0SEmmanuel Grumbach if (chsw->block_tx) 48930202bcf0SEmmanuel Grumbach iwl_mvm_csa_client_absent(mvm, vif); 48940202bcf0SEmmanuel Grumbach 48950202bcf0SEmmanuel Grumbach if (mvmvif->bf_data.bf_enabled) { 48960202bcf0SEmmanuel Grumbach int ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); 48970202bcf0SEmmanuel Grumbach 48980202bcf0SEmmanuel Grumbach if (ret) 48990202bcf0SEmmanuel Grumbach return ret; 49000202bcf0SEmmanuel Grumbach } 49010202bcf0SEmmanuel Grumbach 49020202bcf0SEmmanuel Grumbach iwl_mvm_schedule_csa_period(mvm, vif, vif->bss_conf.beacon_int, 49030202bcf0SEmmanuel Grumbach apply_time); 49040202bcf0SEmmanuel Grumbach 49050202bcf0SEmmanuel Grumbach return 0; 49060202bcf0SEmmanuel Grumbach } 49070202bcf0SEmmanuel Grumbach 4908f6780614SSara Sharon #define IWL_MAX_CSA_BLOCK_TX 1500 4909e705c121SKalle Valo static int iwl_mvm_pre_channel_switch(struct ieee80211_hw *hw, 4910e705c121SKalle Valo struct ieee80211_vif *vif, 4911e705c121SKalle Valo struct ieee80211_channel_switch *chsw) 4912e705c121SKalle Valo { 4913e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4914e705c121SKalle Valo struct ieee80211_vif *csa_vif; 4915e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4916e705c121SKalle Valo int ret; 4917e705c121SKalle Valo 4918e705c121SKalle Valo mutex_lock(&mvm->mutex); 4919e705c121SKalle Valo 4920e705c121SKalle Valo mvmvif->csa_failed = false; 4921e705c121SKalle Valo 4922e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "pre CSA to freq %d\n", 4923e705c121SKalle Valo chsw->chandef.center_freq1); 4924e705c121SKalle Valo 49257174beb6SJohannes Berg iwl_fw_dbg_trigger_simple_stop(&mvm->fwrt, 49267174beb6SJohannes Berg ieee80211_vif_to_wdev(vif), 49277174beb6SJohannes Berg FW_DBG_TRIGGER_CHANNEL_SWITCH); 4928e705c121SKalle Valo 4929e705c121SKalle Valo switch (vif->type) { 4930e705c121SKalle Valo case NL80211_IFTYPE_AP: 4931e705c121SKalle Valo csa_vif = 4932e705c121SKalle Valo rcu_dereference_protected(mvm->csa_vif, 4933e705c121SKalle Valo lockdep_is_held(&mvm->mutex)); 4934d0a9123eSJohannes Berg if (WARN_ONCE(csa_vif && csa_vif->bss_conf.csa_active, 4935e705c121SKalle Valo "Another CSA is already in progress")) { 4936e705c121SKalle Valo ret = -EBUSY; 4937e705c121SKalle Valo goto out_unlock; 4938e705c121SKalle Valo } 4939e705c121SKalle Valo 4940d3a108a4SAndrei Otcheretianski /* we still didn't unblock tx. prevent new CS meanwhile */ 4941d3a108a4SAndrei Otcheretianski if (rcu_dereference_protected(mvm->csa_tx_blocked_vif, 4942d3a108a4SAndrei Otcheretianski lockdep_is_held(&mvm->mutex))) { 4943d3a108a4SAndrei Otcheretianski ret = -EBUSY; 4944d3a108a4SAndrei Otcheretianski goto out_unlock; 4945d3a108a4SAndrei Otcheretianski } 4946d3a108a4SAndrei Otcheretianski 4947e705c121SKalle Valo rcu_assign_pointer(mvm->csa_vif, vif); 4948e705c121SKalle Valo 4949e705c121SKalle Valo if (WARN_ONCE(mvmvif->csa_countdown, 4950e705c121SKalle Valo "Previous CSA countdown didn't complete")) { 4951e705c121SKalle Valo ret = -EBUSY; 4952e705c121SKalle Valo goto out_unlock; 4953e705c121SKalle Valo } 4954e705c121SKalle Valo 4955d3a108a4SAndrei Otcheretianski mvmvif->csa_target_freq = chsw->chandef.chan->center_freq; 4956d3a108a4SAndrei Otcheretianski 4957e705c121SKalle Valo break; 4958e705c121SKalle Valo case NL80211_IFTYPE_STATION: 49592360acbdSEmmanuel Grumbach /* 4960ad12b231SNathan Errera * In the new flow FW is in charge of timing the switch so there 4961ad12b231SNathan Errera * is no need for all of this 4962ad12b231SNathan Errera */ 4963ad12b231SNathan Errera if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP, 4964ad12b231SNathan Errera CHANNEL_SWITCH_ERROR_NOTIF, 4965ad12b231SNathan Errera 0)) 4966ad12b231SNathan Errera break; 4967ad12b231SNathan Errera 4968ad12b231SNathan Errera /* 49692360acbdSEmmanuel Grumbach * We haven't configured the firmware to be associated yet since 49702360acbdSEmmanuel Grumbach * we don't know the dtim period. In this case, the firmware can't 49712360acbdSEmmanuel Grumbach * track the beacons. 49722360acbdSEmmanuel Grumbach */ 4973f276e20bSJohannes Berg if (!vif->cfg.assoc || !vif->bss_conf.dtim_period) { 49742360acbdSEmmanuel Grumbach ret = -EBUSY; 49752360acbdSEmmanuel Grumbach goto out_unlock; 49762360acbdSEmmanuel Grumbach } 49772360acbdSEmmanuel Grumbach 497887d9564eSJohannes Berg if (chsw->delay > IWL_MAX_CSA_BLOCK_TX) 497987d9564eSJohannes Berg schedule_delayed_work(&mvmvif->csa_work, 0); 498087d9564eSJohannes Berg 4981f6780614SSara Sharon if (chsw->block_tx) { 4982f6780614SSara Sharon /* 4983f6780614SSara Sharon * In case of undetermined / long time with immediate 4984f6780614SSara Sharon * quiet monitor status to gracefully disconnect 4985f6780614SSara Sharon */ 4986f6780614SSara Sharon if (!chsw->count || 4987f6780614SSara Sharon chsw->count * vif->bss_conf.beacon_int > 4988f6780614SSara Sharon IWL_MAX_CSA_BLOCK_TX) 4989f6780614SSara Sharon schedule_delayed_work(&mvmvif->csa_work, 4990f6780614SSara Sharon msecs_to_jiffies(IWL_MAX_CSA_BLOCK_TX)); 4991f6780614SSara Sharon } 4992e705c121SKalle Valo 49930202bcf0SEmmanuel Grumbach if (!fw_has_capa(&mvm->fw->ucode_capa, 49940202bcf0SEmmanuel Grumbach IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 49950202bcf0SEmmanuel Grumbach ret = iwl_mvm_old_pre_chan_sw_sta(mvm, vif, chsw); 4996e705c121SKalle Valo if (ret) 4997e705c121SKalle Valo goto out_unlock; 49980202bcf0SEmmanuel Grumbach } else { 499974a10252SSara Sharon iwl_mvm_schedule_client_csa(mvm, vif, chsw); 50000202bcf0SEmmanuel Grumbach } 500181b4e44eSSara Sharon 500281b4e44eSSara Sharon mvmvif->csa_count = chsw->count; 500381b4e44eSSara Sharon mvmvif->csa_misbehave = false; 5004e705c121SKalle Valo break; 5005e705c121SKalle Valo default: 5006e705c121SKalle Valo break; 5007e705c121SKalle Valo } 5008e705c121SKalle Valo 5009e705c121SKalle Valo mvmvif->ps_disabled = true; 5010e705c121SKalle Valo 5011e705c121SKalle Valo ret = iwl_mvm_power_update_ps(mvm); 5012e705c121SKalle Valo if (ret) 5013e705c121SKalle Valo goto out_unlock; 5014e705c121SKalle Valo 5015e705c121SKalle Valo /* we won't be on this channel any longer */ 5016e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 5017e705c121SKalle Valo 5018e705c121SKalle Valo out_unlock: 5019e705c121SKalle Valo mutex_unlock(&mvm->mutex); 5020e705c121SKalle Valo 5021e705c121SKalle Valo return ret; 5022e705c121SKalle Valo } 5023e705c121SKalle Valo 5024c37763d2SSara Sharon static void iwl_mvm_channel_switch_rx_beacon(struct ieee80211_hw *hw, 5025c37763d2SSara Sharon struct ieee80211_vif *vif, 5026c37763d2SSara Sharon struct ieee80211_channel_switch *chsw) 5027e705c121SKalle Valo { 5028e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5029c37763d2SSara Sharon struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5030c37763d2SSara Sharon struct iwl_chan_switch_te_cmd cmd = { 5031c37763d2SSara Sharon .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 5032c37763d2SSara Sharon mvmvif->color)), 5033c37763d2SSara Sharon .action = cpu_to_le32(FW_CTXT_ACTION_MODIFY), 5034c37763d2SSara Sharon .tsf = cpu_to_le32(chsw->timestamp), 5035c37763d2SSara Sharon .cs_count = chsw->count, 503677738865SSara Sharon .cs_mode = chsw->block_tx, 5037c37763d2SSara Sharon }; 5038e705c121SKalle Valo 5039ad12b231SNathan Errera /* 5040ad12b231SNathan Errera * In the new flow FW is in charge of timing the switch so there is no 5041ad12b231SNathan Errera * need for all of this 5042ad12b231SNathan Errera */ 5043ad12b231SNathan Errera if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP, 5044ad12b231SNathan Errera CHANNEL_SWITCH_ERROR_NOTIF, 0)) 5045ad12b231SNathan Errera return; 5046ad12b231SNathan Errera 5047c37763d2SSara Sharon if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CS_MODIFY)) 5048c37763d2SSara Sharon return; 5049e705c121SKalle Valo 5050c3eae059SGregory Greenman IWL_DEBUG_MAC80211(mvm, "Modify CSA on mac %d count = %d (old %d) mode = %d\n", 5051c3eae059SGregory Greenman mvmvif->id, chsw->count, mvmvif->csa_count, chsw->block_tx); 5052c3eae059SGregory Greenman 505381b4e44eSSara Sharon if (chsw->count >= mvmvif->csa_count && chsw->block_tx) { 505481b4e44eSSara Sharon if (mvmvif->csa_misbehave) { 505581b4e44eSSara Sharon /* Second time, give up on this AP*/ 505681b4e44eSSara Sharon iwl_mvm_abort_channel_switch(hw, vif); 505781b4e44eSSara Sharon ieee80211_chswitch_done(vif, false); 505881b4e44eSSara Sharon mvmvif->csa_misbehave = false; 505981b4e44eSSara Sharon return; 5060e705c121SKalle Valo } 506181b4e44eSSara Sharon mvmvif->csa_misbehave = true; 5062e705c121SKalle Valo } 506381b4e44eSSara Sharon mvmvif->csa_count = chsw->count; 5064e705c121SKalle Valo 5065caf46377SSara Sharon mutex_lock(&mvm->mutex); 5066caf46377SSara Sharon if (mvmvif->csa_failed) 5067caf46377SSara Sharon goto out_unlock; 5068e705c121SKalle Valo 5069c37763d2SSara Sharon WARN_ON(iwl_mvm_send_cmd_pdu(mvm, 5070c37763d2SSara Sharon WIDE_ID(MAC_CONF_GROUP, 5071c37763d2SSara Sharon CHANNEL_SWITCH_TIME_EVENT_CMD), 5072caf46377SSara Sharon 0, sizeof(cmd), &cmd)); 5073caf46377SSara Sharon out_unlock: 5074caf46377SSara Sharon mutex_unlock(&mvm->mutex); 5075e705c121SKalle Valo } 5076e705c121SKalle Valo 50776110d9e5SDavid Spinadel static void iwl_mvm_flush_no_vif(struct iwl_mvm *mvm, u32 queues, bool drop) 50786110d9e5SDavid Spinadel { 5079435d0827SSara Sharon int i; 5080435d0827SSara Sharon 508106195639SSara Sharon if (!iwl_mvm_has_new_tx_api(mvm)) { 5082309c4848SLuca Coelho if (drop) { 5083309c4848SLuca Coelho mutex_lock(&mvm->mutex); 50846110d9e5SDavid Spinadel iwl_mvm_flush_tx_path(mvm, 5085d4e3a341SMordechay Goodstein iwl_mvm_flushable_queues(mvm) & queues); 5086309c4848SLuca Coelho mutex_unlock(&mvm->mutex); 5087309c4848SLuca Coelho } else { 5088435d0827SSara Sharon iwl_trans_wait_tx_queues_empty(mvm->trans, queues); 5089309c4848SLuca Coelho } 5090435d0827SSara Sharon return; 5091435d0827SSara Sharon } 50926110d9e5SDavid Spinadel 50936110d9e5SDavid Spinadel mutex_lock(&mvm->mutex); 5094be9ae34eSNathan Errera for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) { 5095435d0827SSara Sharon struct ieee80211_sta *sta; 5096435d0827SSara Sharon 5097435d0827SSara Sharon sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], 50986110d9e5SDavid Spinadel lockdep_is_held(&mvm->mutex)); 50996110d9e5SDavid Spinadel if (IS_ERR_OR_NULL(sta)) 51006110d9e5SDavid Spinadel continue; 51016110d9e5SDavid Spinadel 510206195639SSara Sharon if (drop) 5103d4e3a341SMordechay Goodstein iwl_mvm_flush_sta_tids(mvm, i, 0xFFFF); 510406195639SSara Sharon else 51056110d9e5SDavid Spinadel iwl_mvm_wait_sta_queues_empty(mvm, 51066110d9e5SDavid Spinadel iwl_mvm_sta_from_mac80211(sta)); 51076110d9e5SDavid Spinadel } 51086110d9e5SDavid Spinadel mutex_unlock(&mvm->mutex); 51096110d9e5SDavid Spinadel } 51106110d9e5SDavid Spinadel 5111e705c121SKalle Valo static void iwl_mvm_mac_flush(struct ieee80211_hw *hw, 5112e705c121SKalle Valo struct ieee80211_vif *vif, u32 queues, bool drop) 5113e705c121SKalle Valo { 5114e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5115e705c121SKalle Valo struct iwl_mvm_vif *mvmvif; 5116e705c121SKalle Valo struct iwl_mvm_sta *mvmsta; 5117e705c121SKalle Valo struct ieee80211_sta *sta; 5118e705c121SKalle Valo int i; 5119e705c121SKalle Valo u32 msk = 0; 5120e705c121SKalle Valo 51216110d9e5SDavid Spinadel if (!vif) { 51226110d9e5SDavid Spinadel iwl_mvm_flush_no_vif(mvm, queues, drop); 51236110d9e5SDavid Spinadel return; 51246110d9e5SDavid Spinadel } 51256110d9e5SDavid Spinadel 51266110d9e5SDavid Spinadel if (vif->type != NL80211_IFTYPE_STATION) 5127e705c121SKalle Valo return; 5128e705c121SKalle Valo 512924afba76SLiad Kaufman /* Make sure we're done with the deferred traffic before flushing */ 513024afba76SLiad Kaufman flush_work(&mvm->add_stream_wk); 513124afba76SLiad Kaufman 5132e705c121SKalle Valo mutex_lock(&mvm->mutex); 5133e705c121SKalle Valo mvmvif = iwl_mvm_vif_from_mac80211(vif); 5134e705c121SKalle Valo 5135e705c121SKalle Valo /* flush the AP-station and all TDLS peers */ 5136be9ae34eSNathan Errera for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) { 5137e705c121SKalle Valo sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], 5138e705c121SKalle Valo lockdep_is_held(&mvm->mutex)); 5139e705c121SKalle Valo if (IS_ERR_OR_NULL(sta)) 5140e705c121SKalle Valo continue; 5141e705c121SKalle Valo 5142e705c121SKalle Valo mvmsta = iwl_mvm_sta_from_mac80211(sta); 5143e705c121SKalle Valo if (mvmsta->vif != vif) 5144e705c121SKalle Valo continue; 5145e705c121SKalle Valo 5146e705c121SKalle Valo /* make sure only TDLS peers or the AP are flushed */ 5147e705c121SKalle Valo WARN_ON(i != mvmvif->ap_sta_id && !sta->tdls); 5148e705c121SKalle Valo 5149d49394a1SSara Sharon if (drop) { 5150f9084775SNathan Errera if (iwl_mvm_flush_sta(mvm, mvmsta, false)) 5151d49394a1SSara Sharon IWL_ERR(mvm, "flush request fail\n"); 5152d49394a1SSara Sharon } else { 5153d6d517b7SSara Sharon if (iwl_mvm_has_new_tx_api(mvm)) 5154d6d517b7SSara Sharon iwl_mvm_wait_sta_queues_empty(mvm, mvmsta); 5155f7bd883bSJohannes Berg else /* only used for !iwl_mvm_has_new_tx_api() below */ 5156f7bd883bSJohannes Berg msk |= mvmsta->tfd_queue_msk; 5157e705c121SKalle Valo } 5158d49394a1SSara Sharon } 5159e705c121SKalle Valo 5160e705c121SKalle Valo mutex_unlock(&mvm->mutex); 5161e705c121SKalle Valo 5162e705c121SKalle Valo /* this can take a while, and we may need/want other operations 5163e705c121SKalle Valo * to succeed while doing this, so do it without the mutex held 5164e705c121SKalle Valo */ 5165d6d517b7SSara Sharon if (!drop && !iwl_mvm_has_new_tx_api(mvm)) 5166a1a57877SSara Sharon iwl_trans_wait_tx_queues_empty(mvm->trans, msk); 5167e705c121SKalle Valo } 5168e705c121SKalle Valo 5169e705c121SKalle Valo static int iwl_mvm_mac_get_survey(struct ieee80211_hw *hw, int idx, 5170e705c121SKalle Valo struct survey_info *survey) 5171e705c121SKalle Valo { 5172e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5173e705c121SKalle Valo int ret; 5174e705c121SKalle Valo 5175e705c121SKalle Valo memset(survey, 0, sizeof(*survey)); 5176e705c121SKalle Valo 5177e705c121SKalle Valo /* only support global statistics right now */ 5178e705c121SKalle Valo if (idx != 0) 5179e705c121SKalle Valo return -ENOENT; 5180e705c121SKalle Valo 5181280a3efaSJohannes Berg if (!fw_has_capa(&mvm->fw->ucode_capa, 5182e705c121SKalle Valo IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS)) 5183e705c121SKalle Valo return -ENOENT; 5184e705c121SKalle Valo 5185e705c121SKalle Valo mutex_lock(&mvm->mutex); 5186e705c121SKalle Valo 5187aab6930dSJohannes Berg if (iwl_mvm_firmware_running(mvm)) { 5188e705c121SKalle Valo ret = iwl_mvm_request_statistics(mvm, false); 5189e705c121SKalle Valo if (ret) 5190e705c121SKalle Valo goto out; 5191e705c121SKalle Valo } 5192e705c121SKalle Valo 5193e705c121SKalle Valo survey->filled = SURVEY_INFO_TIME | 5194e705c121SKalle Valo SURVEY_INFO_TIME_RX | 5195e705c121SKalle Valo SURVEY_INFO_TIME_TX | 5196e705c121SKalle Valo SURVEY_INFO_TIME_SCAN; 5197e705c121SKalle Valo survey->time = mvm->accu_radio_stats.on_time_rf + 5198e705c121SKalle Valo mvm->radio_stats.on_time_rf; 5199e705c121SKalle Valo do_div(survey->time, USEC_PER_MSEC); 5200e705c121SKalle Valo 5201e705c121SKalle Valo survey->time_rx = mvm->accu_radio_stats.rx_time + 5202e705c121SKalle Valo mvm->radio_stats.rx_time; 5203e705c121SKalle Valo do_div(survey->time_rx, USEC_PER_MSEC); 5204e705c121SKalle Valo 5205e705c121SKalle Valo survey->time_tx = mvm->accu_radio_stats.tx_time + 5206e705c121SKalle Valo mvm->radio_stats.tx_time; 5207e705c121SKalle Valo do_div(survey->time_tx, USEC_PER_MSEC); 5208e705c121SKalle Valo 5209e705c121SKalle Valo survey->time_scan = mvm->accu_radio_stats.on_time_scan + 5210e705c121SKalle Valo mvm->radio_stats.on_time_scan; 5211e705c121SKalle Valo do_div(survey->time_scan, USEC_PER_MSEC); 5212e705c121SKalle Valo 5213e705c121SKalle Valo ret = 0; 5214e705c121SKalle Valo out: 5215e705c121SKalle Valo mutex_unlock(&mvm->mutex); 5216e705c121SKalle Valo return ret; 5217e705c121SKalle Valo } 5218e705c121SKalle Valo 5219ed780545SJohannes Berg static void iwl_mvm_set_sta_rate(u32 rate_n_flags, struct rate_info *rinfo) 5220ed780545SJohannes Berg { 522182cdbd11SMiri Korenblit u32 format = rate_n_flags & RATE_MCS_MOD_TYPE_MSK; 52227138763eSJohannes Berg u32 gi_ltf; 522382cdbd11SMiri Korenblit 522482cdbd11SMiri Korenblit switch (rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK) { 5225ed780545SJohannes Berg case RATE_MCS_CHAN_WIDTH_20: 5226ed780545SJohannes Berg rinfo->bw = RATE_INFO_BW_20; 5227ed780545SJohannes Berg break; 5228ed780545SJohannes Berg case RATE_MCS_CHAN_WIDTH_40: 5229ed780545SJohannes Berg rinfo->bw = RATE_INFO_BW_40; 5230ed780545SJohannes Berg break; 5231ed780545SJohannes Berg case RATE_MCS_CHAN_WIDTH_80: 5232ed780545SJohannes Berg rinfo->bw = RATE_INFO_BW_80; 5233ed780545SJohannes Berg break; 5234ed780545SJohannes Berg case RATE_MCS_CHAN_WIDTH_160: 5235ed780545SJohannes Berg rinfo->bw = RATE_INFO_BW_160; 5236ed780545SJohannes Berg break; 523723dcee94SJohannes Berg case RATE_MCS_CHAN_WIDTH_320: 523823dcee94SJohannes Berg rinfo->bw = RATE_INFO_BW_320; 523923dcee94SJohannes Berg break; 5240ed780545SJohannes Berg } 5241ed780545SJohannes Berg 524282cdbd11SMiri Korenblit if (format == RATE_MCS_CCK_MSK || 524382cdbd11SMiri Korenblit format == RATE_MCS_LEGACY_OFDM_MSK) { 524482cdbd11SMiri Korenblit int rate = u32_get_bits(rate_n_flags, RATE_LEGACY_RATE_MSK); 524582cdbd11SMiri Korenblit 524682cdbd11SMiri Korenblit /* add the offset needed to get to the legacy ofdm indices */ 524782cdbd11SMiri Korenblit if (format == RATE_MCS_LEGACY_OFDM_MSK) 524882cdbd11SMiri Korenblit rate += IWL_FIRST_OFDM_RATE; 524982cdbd11SMiri Korenblit 525082cdbd11SMiri Korenblit switch (rate) { 525182cdbd11SMiri Korenblit case IWL_RATE_1M_INDEX: 525282cdbd11SMiri Korenblit rinfo->legacy = 10; 525382cdbd11SMiri Korenblit break; 525482cdbd11SMiri Korenblit case IWL_RATE_2M_INDEX: 525582cdbd11SMiri Korenblit rinfo->legacy = 20; 525682cdbd11SMiri Korenblit break; 525782cdbd11SMiri Korenblit case IWL_RATE_5M_INDEX: 525882cdbd11SMiri Korenblit rinfo->legacy = 55; 525982cdbd11SMiri Korenblit break; 526082cdbd11SMiri Korenblit case IWL_RATE_11M_INDEX: 526182cdbd11SMiri Korenblit rinfo->legacy = 110; 526282cdbd11SMiri Korenblit break; 526382cdbd11SMiri Korenblit case IWL_RATE_6M_INDEX: 526482cdbd11SMiri Korenblit rinfo->legacy = 60; 526582cdbd11SMiri Korenblit break; 526682cdbd11SMiri Korenblit case IWL_RATE_9M_INDEX: 526782cdbd11SMiri Korenblit rinfo->legacy = 90; 526882cdbd11SMiri Korenblit break; 526982cdbd11SMiri Korenblit case IWL_RATE_12M_INDEX: 527082cdbd11SMiri Korenblit rinfo->legacy = 120; 527182cdbd11SMiri Korenblit break; 527282cdbd11SMiri Korenblit case IWL_RATE_18M_INDEX: 527382cdbd11SMiri Korenblit rinfo->legacy = 180; 527482cdbd11SMiri Korenblit break; 527582cdbd11SMiri Korenblit case IWL_RATE_24M_INDEX: 527682cdbd11SMiri Korenblit rinfo->legacy = 240; 527782cdbd11SMiri Korenblit break; 527882cdbd11SMiri Korenblit case IWL_RATE_36M_INDEX: 527982cdbd11SMiri Korenblit rinfo->legacy = 360; 528082cdbd11SMiri Korenblit break; 528182cdbd11SMiri Korenblit case IWL_RATE_48M_INDEX: 528282cdbd11SMiri Korenblit rinfo->legacy = 480; 528382cdbd11SMiri Korenblit break; 528482cdbd11SMiri Korenblit case IWL_RATE_54M_INDEX: 528582cdbd11SMiri Korenblit rinfo->legacy = 540; 528682cdbd11SMiri Korenblit } 528782cdbd11SMiri Korenblit return; 528882cdbd11SMiri Korenblit } 528982cdbd11SMiri Korenblit 5290ed780545SJohannes Berg rinfo->nss = u32_get_bits(rate_n_flags, 529182cdbd11SMiri Korenblit RATE_MCS_NSS_MSK) + 1; 529282cdbd11SMiri Korenblit rinfo->mcs = format == RATE_MCS_HT_MSK ? 529382cdbd11SMiri Korenblit RATE_HT_MCS_INDEX(rate_n_flags) : 529482cdbd11SMiri Korenblit u32_get_bits(rate_n_flags, RATE_MCS_CODE_MSK); 529582cdbd11SMiri Korenblit 52967138763eSJohannes Berg if (rate_n_flags & RATE_MCS_SGI_MSK) 52977138763eSJohannes Berg rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; 52987138763eSJohannes Berg 52997138763eSJohannes Berg switch (format) { 530023dcee94SJohannes Berg case RATE_MCS_EHT_MSK: 530123dcee94SJohannes Berg /* TODO: GI/LTF/RU. How does the firmware encode them? */ 530223dcee94SJohannes Berg rinfo->flags |= RATE_INFO_FLAGS_EHT_MCS; 530323dcee94SJohannes Berg break; 53047138763eSJohannes Berg case RATE_MCS_HE_MSK: 53057138763eSJohannes Berg gi_ltf = u32_get_bits(rate_n_flags, RATE_MCS_HE_GI_LTF_MSK); 5306ed780545SJohannes Berg 5307ed780545SJohannes Berg rinfo->flags |= RATE_INFO_FLAGS_HE_MCS; 5308ed780545SJohannes Berg 530982cdbd11SMiri Korenblit if (rate_n_flags & RATE_MCS_HE_106T_MSK) { 5310ed780545SJohannes Berg rinfo->bw = RATE_INFO_BW_HE_RU; 5311ed780545SJohannes Berg rinfo->he_ru_alloc = NL80211_RATE_INFO_HE_RU_ALLOC_106; 5312ed780545SJohannes Berg } 5313ed780545SJohannes Berg 531482cdbd11SMiri Korenblit switch (rate_n_flags & RATE_MCS_HE_TYPE_MSK) { 531582cdbd11SMiri Korenblit case RATE_MCS_HE_TYPE_SU: 531682cdbd11SMiri Korenblit case RATE_MCS_HE_TYPE_EXT_SU: 5317ed780545SJohannes Berg if (gi_ltf == 0 || gi_ltf == 1) 5318ed780545SJohannes Berg rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 5319ed780545SJohannes Berg else if (gi_ltf == 2) 5320ed780545SJohannes Berg rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 532182cdbd11SMiri Korenblit else if (gi_ltf == 3) 5322ed780545SJohannes Berg rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 532382cdbd11SMiri Korenblit else 532482cdbd11SMiri Korenblit rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 5325ed780545SJohannes Berg break; 532682cdbd11SMiri Korenblit case RATE_MCS_HE_TYPE_MU: 5327ed780545SJohannes Berg if (gi_ltf == 0 || gi_ltf == 1) 5328ed780545SJohannes Berg rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 5329ed780545SJohannes Berg else if (gi_ltf == 2) 5330ed780545SJohannes Berg rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 5331ed780545SJohannes Berg else 5332ed780545SJohannes Berg rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 5333ed780545SJohannes Berg break; 533482cdbd11SMiri Korenblit case RATE_MCS_HE_TYPE_TRIG: 5335ed780545SJohannes Berg if (gi_ltf == 0 || gi_ltf == 1) 5336ed780545SJohannes Berg rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 5337ed780545SJohannes Berg else 5338ed780545SJohannes Berg rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 5339ed780545SJohannes Berg break; 5340ed780545SJohannes Berg } 5341ed780545SJohannes Berg 5342ed780545SJohannes Berg if (rate_n_flags & RATE_HE_DUAL_CARRIER_MODE_MSK) 5343ed780545SJohannes Berg rinfo->he_dcm = 1; 53447138763eSJohannes Berg break; 53457138763eSJohannes Berg case RATE_MCS_HT_MSK: 534682cdbd11SMiri Korenblit rinfo->flags |= RATE_INFO_FLAGS_MCS; 53477138763eSJohannes Berg break; 53487138763eSJohannes Berg case RATE_MCS_VHT_MSK: 534982cdbd11SMiri Korenblit rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; 53507138763eSJohannes Berg break; 5351ed780545SJohannes Berg } 5352ed780545SJohannes Berg } 5353ed780545SJohannes Berg 5354e705c121SKalle Valo static void iwl_mvm_mac_sta_statistics(struct ieee80211_hw *hw, 5355e705c121SKalle Valo struct ieee80211_vif *vif, 5356e705c121SKalle Valo struct ieee80211_sta *sta, 5357e705c121SKalle Valo struct station_info *sinfo) 5358e705c121SKalle Valo { 5359e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5360e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5361e705c121SKalle Valo struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 5362e705c121SKalle Valo 5363988b5968SSara Sharon if (mvmsta->avg_energy) { 536488ad368aSBen Greear sinfo->signal_avg = -(s8)mvmsta->avg_energy; 536522d0d2faSOmer Efrat sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG); 5366988b5968SSara Sharon } 5367988b5968SSara Sharon 5368ed780545SJohannes Berg if (iwl_mvm_has_tlc_offload(mvm)) { 5369ed780545SJohannes Berg struct iwl_lq_sta_rs_fw *lq_sta = &mvmsta->lq_sta.rs_fw; 5370ed780545SJohannes Berg 5371ed780545SJohannes Berg iwl_mvm_set_sta_rate(lq_sta->last_rate_n_flags, &sinfo->txrate); 5372ed780545SJohannes Berg sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 5373ed780545SJohannes Berg } 5374ed780545SJohannes Berg 5375e705c121SKalle Valo /* if beacon filtering isn't on mac80211 does it anyway */ 5376e705c121SKalle Valo if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER)) 5377e705c121SKalle Valo return; 5378e705c121SKalle Valo 5379f276e20bSJohannes Berg if (!vif->cfg.assoc) 5380e705c121SKalle Valo return; 5381e705c121SKalle Valo 5382e705c121SKalle Valo mutex_lock(&mvm->mutex); 5383e705c121SKalle Valo 5384e705c121SKalle Valo if (mvmvif->ap_sta_id != mvmsta->sta_id) 5385e705c121SKalle Valo goto unlock; 5386e705c121SKalle Valo 5387e705c121SKalle Valo if (iwl_mvm_request_statistics(mvm, false)) 5388e705c121SKalle Valo goto unlock; 5389e705c121SKalle Valo 5390e705c121SKalle Valo sinfo->rx_beacon = mvmvif->beacon_stats.num_beacons + 5391e705c121SKalle Valo mvmvif->beacon_stats.accu_num_beacons; 539222d0d2faSOmer Efrat sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_RX); 5393e705c121SKalle Valo if (mvmvif->beacon_stats.avg_signal) { 5394e705c121SKalle Valo /* firmware only reports a value after RXing a few beacons */ 5395e705c121SKalle Valo sinfo->rx_beacon_signal_avg = mvmvif->beacon_stats.avg_signal; 539622d0d2faSOmer Efrat sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG); 5397e705c121SKalle Valo } 5398e705c121SKalle Valo unlock: 5399e705c121SKalle Valo mutex_unlock(&mvm->mutex); 5400e705c121SKalle Valo } 5401e705c121SKalle Valo 5402119c2a13SMordechay Goodstein static void iwl_mvm_event_mlme_callback_ini(struct iwl_mvm *mvm, 5403119c2a13SMordechay Goodstein struct ieee80211_vif *vif, 5404119c2a13SMordechay Goodstein const struct ieee80211_mlme_event *mlme) 5405119c2a13SMordechay Goodstein { 54061a81bddfSMordechay Goodstein if ((mlme->data == ASSOC_EVENT || mlme->data == AUTH_EVENT) && 54071a81bddfSMordechay Goodstein (mlme->status == MLME_DENIED || mlme->status == MLME_TIMEOUT)) { 5408119c2a13SMordechay Goodstein iwl_dbg_tlv_time_point(&mvm->fwrt, 5409119c2a13SMordechay Goodstein IWL_FW_INI_TIME_POINT_ASSOC_FAILED, 5410119c2a13SMordechay Goodstein NULL); 5411119c2a13SMordechay Goodstein return; 5412119c2a13SMordechay Goodstein } 5413119c2a13SMordechay Goodstein 5414119c2a13SMordechay Goodstein if (mlme->data == DEAUTH_RX_EVENT || mlme->data == DEAUTH_TX_EVENT) { 5415119c2a13SMordechay Goodstein iwl_dbg_tlv_time_point(&mvm->fwrt, 5416119c2a13SMordechay Goodstein IWL_FW_INI_TIME_POINT_DEASSOC, 5417119c2a13SMordechay Goodstein NULL); 5418119c2a13SMordechay Goodstein return; 5419119c2a13SMordechay Goodstein } 5420119c2a13SMordechay Goodstein } 5421119c2a13SMordechay Goodstein 5422e705c121SKalle Valo static void iwl_mvm_event_mlme_callback(struct iwl_mvm *mvm, 5423e705c121SKalle Valo struct ieee80211_vif *vif, 5424e705c121SKalle Valo const struct ieee80211_event *event) 5425e705c121SKalle Valo { 54264c324a51SLuca Coelho #define CHECK_MLME_TRIGGER(_cnt, _fmt...) \ 5427e705c121SKalle Valo do { \ 54284c324a51SLuca Coelho if ((trig_mlme->_cnt) && --(trig_mlme->_cnt)) \ 5429e705c121SKalle Valo break; \ 54307174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&(mvm)->fwrt, trig, _fmt); \ 5431e705c121SKalle Valo } while (0) 5432e705c121SKalle Valo 5433e705c121SKalle Valo struct iwl_fw_dbg_trigger_tlv *trig; 5434e705c121SKalle Valo struct iwl_fw_dbg_trigger_mlme *trig_mlme; 5435e705c121SKalle Valo 5436119c2a13SMordechay Goodstein if (iwl_trans_dbg_ini_valid(mvm->trans)) { 5437119c2a13SMordechay Goodstein iwl_mvm_event_mlme_callback_ini(mvm, vif, &event->u.mlme); 5438119c2a13SMordechay Goodstein return; 5439119c2a13SMordechay Goodstein } 5440119c2a13SMordechay Goodstein 54416c042d75SSara Sharon trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 54426c042d75SSara Sharon FW_DBG_TRIGGER_MLME); 54436c042d75SSara Sharon if (!trig) 5444e705c121SKalle Valo return; 5445e705c121SKalle Valo 5446e705c121SKalle Valo trig_mlme = (void *)trig->data; 5447e705c121SKalle Valo 5448e705c121SKalle Valo if (event->u.mlme.data == ASSOC_EVENT) { 5449e705c121SKalle Valo if (event->u.mlme.status == MLME_DENIED) 54504c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_assoc_denied, 5451e705c121SKalle Valo "DENIED ASSOC: reason %d", 5452e705c121SKalle Valo event->u.mlme.reason); 5453e705c121SKalle Valo else if (event->u.mlme.status == MLME_TIMEOUT) 54544c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_assoc_timeout, 5455e705c121SKalle Valo "ASSOC TIMEOUT"); 5456e705c121SKalle Valo } else if (event->u.mlme.data == AUTH_EVENT) { 5457e705c121SKalle Valo if (event->u.mlme.status == MLME_DENIED) 54584c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_auth_denied, 5459e705c121SKalle Valo "DENIED AUTH: reason %d", 5460e705c121SKalle Valo event->u.mlme.reason); 5461e705c121SKalle Valo else if (event->u.mlme.status == MLME_TIMEOUT) 54624c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_auth_timeout, 5463e705c121SKalle Valo "AUTH TIMEOUT"); 5464e705c121SKalle Valo } else if (event->u.mlme.data == DEAUTH_RX_EVENT) { 54654c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_rx_deauth, 5466e705c121SKalle Valo "DEAUTH RX %d", event->u.mlme.reason); 5467e705c121SKalle Valo } else if (event->u.mlme.data == DEAUTH_TX_EVENT) { 54684c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_tx_deauth, 5469e705c121SKalle Valo "DEAUTH TX %d", event->u.mlme.reason); 5470e705c121SKalle Valo } 5471e705c121SKalle Valo #undef CHECK_MLME_TRIGGER 5472e705c121SKalle Valo } 5473e705c121SKalle Valo 5474e705c121SKalle Valo static void iwl_mvm_event_bar_rx_callback(struct iwl_mvm *mvm, 5475e705c121SKalle Valo struct ieee80211_vif *vif, 5476e705c121SKalle Valo const struct ieee80211_event *event) 5477e705c121SKalle Valo { 5478e705c121SKalle Valo struct iwl_fw_dbg_trigger_tlv *trig; 5479e705c121SKalle Valo struct iwl_fw_dbg_trigger_ba *ba_trig; 5480e705c121SKalle Valo 54816c042d75SSara Sharon trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 54826c042d75SSara Sharon FW_DBG_TRIGGER_BA); 54836c042d75SSara Sharon if (!trig) 5484e705c121SKalle Valo return; 5485e705c121SKalle Valo 5486e705c121SKalle Valo ba_trig = (void *)trig->data; 5487e705c121SKalle Valo 5488e705c121SKalle Valo if (!(le16_to_cpu(ba_trig->rx_bar) & BIT(event->u.ba.tid))) 5489e705c121SKalle Valo return; 5490e705c121SKalle Valo 54917174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 5492e705c121SKalle Valo "BAR received from %pM, tid %d, ssn %d", 5493e705c121SKalle Valo event->u.ba.sta->addr, event->u.ba.tid, 5494e705c121SKalle Valo event->u.ba.ssn); 5495e705c121SKalle Valo } 5496e705c121SKalle Valo 5497e705c121SKalle Valo static void iwl_mvm_mac_event_callback(struct ieee80211_hw *hw, 5498e705c121SKalle Valo struct ieee80211_vif *vif, 5499e705c121SKalle Valo const struct ieee80211_event *event) 5500e705c121SKalle Valo { 5501e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5502e705c121SKalle Valo 5503e705c121SKalle Valo switch (event->type) { 5504e705c121SKalle Valo case MLME_EVENT: 5505e705c121SKalle Valo iwl_mvm_event_mlme_callback(mvm, vif, event); 5506e705c121SKalle Valo break; 5507e705c121SKalle Valo case BAR_RX_EVENT: 5508e705c121SKalle Valo iwl_mvm_event_bar_rx_callback(mvm, vif, event); 5509e705c121SKalle Valo break; 5510e705c121SKalle Valo case BA_FRAME_TIMEOUT: 5511528a542aSEmmanuel Grumbach iwl_mvm_event_frame_timeout_callback(mvm, vif, event->u.ba.sta, 5512528a542aSEmmanuel Grumbach event->u.ba.tid); 5513e705c121SKalle Valo break; 5514e705c121SKalle Valo default: 5515e705c121SKalle Valo break; 5516e705c121SKalle Valo } 5517e705c121SKalle Valo } 5518e705c121SKalle Valo 5519d0ff5d22SSara Sharon void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm, 55205e1688ceSJohannes Berg enum iwl_mvm_rxq_notif_type type, 55215e1688ceSJohannes Berg bool sync, 55225e1688ceSJohannes Berg const void *data, u32 size) 55230636b938SSara Sharon { 55245e1688ceSJohannes Berg struct { 55255e1688ceSJohannes Berg struct iwl_rxq_sync_cmd cmd; 55265e1688ceSJohannes Berg struct iwl_mvm_internal_rxq_notif notif; 55275e1688ceSJohannes Berg } __packed cmd = { 55285e1688ceSJohannes Berg .cmd.rxq_mask = cpu_to_le32(BIT(mvm->trans->num_rx_queues) - 1), 55295e1688ceSJohannes Berg .cmd.count = 55305e1688ceSJohannes Berg cpu_to_le32(sizeof(struct iwl_mvm_internal_rxq_notif) + 55315e1688ceSJohannes Berg size), 55325e1688ceSJohannes Berg .notif.type = type, 55335e1688ceSJohannes Berg .notif.sync = sync, 55345e1688ceSJohannes Berg }; 55355e1688ceSJohannes Berg struct iwl_host_cmd hcmd = { 55365e1688ceSJohannes Berg .id = WIDE_ID(DATA_PATH_GROUP, TRIGGER_RX_QUEUES_NOTIF_CMD), 55375e1688ceSJohannes Berg .data[0] = &cmd, 55385e1688ceSJohannes Berg .len[0] = sizeof(cmd), 55395e1688ceSJohannes Berg .data[1] = data, 55405e1688ceSJohannes Berg .len[1] = size, 55415e1688ceSJohannes Berg .flags = sync ? 0 : CMD_ASYNC, 55425e1688ceSJohannes Berg }; 55430636b938SSara Sharon int ret; 55440636b938SSara Sharon 55455e1688ceSJohannes Berg /* size must be a multiple of DWORD */ 55465e1688ceSJohannes Berg if (WARN_ON(cmd.cmd.count & cpu_to_le32(3))) 55475e1688ceSJohannes Berg return; 55480636b938SSara Sharon 5549cb8550e1SSara Sharon if (!iwl_mvm_has_new_rx_api(mvm)) 55500636b938SSara Sharon return; 55510636b938SSara Sharon 55525e1688ceSJohannes Berg if (sync) { 55535e1688ceSJohannes Berg cmd.notif.cookie = mvm->queue_sync_cookie; 55542f7a04c7SJohannes Berg mvm->queue_sync_state = (1 << mvm->trans->num_rx_queues) - 1; 5555a2113cc4SNaftali Goldstein } 5556d0ff5d22SSara Sharon 55575e1688ceSJohannes Berg ret = iwl_mvm_send_cmd(mvm, &hcmd); 55580636b938SSara Sharon if (ret) { 55590636b938SSara Sharon IWL_ERR(mvm, "Failed to trigger RX queues sync (%d)\n", ret); 55600636b938SSara Sharon goto out; 55610636b938SSara Sharon } 5562d0ff5d22SSara Sharon 55635e1688ceSJohannes Berg if (sync) { 55643c514bf8SEmmanuel Grumbach lockdep_assert_held(&mvm->mutex); 55653a732c65SSara Sharon ret = wait_event_timeout(mvm->rx_sync_waitq, 55662f7a04c7SJohannes Berg READ_ONCE(mvm->queue_sync_state) == 0 || 55676ad04359SJohannes Berg iwl_mvm_is_radio_killed(mvm), 55680636b938SSara Sharon HZ); 55692f7a04c7SJohannes Berg WARN_ONCE(!ret && !iwl_mvm_is_radio_killed(mvm), 55702f7a04c7SJohannes Berg "queue sync: failed to sync, state is 0x%lx\n", 55712f7a04c7SJohannes Berg mvm->queue_sync_state); 55726ad04359SJohannes Berg } 55730636b938SSara Sharon 55740636b938SSara Sharon out: 55755e1688ceSJohannes Berg if (sync) { 55762f7a04c7SJohannes Berg mvm->queue_sync_state = 0; 55770636b938SSara Sharon mvm->queue_sync_cookie++; 55780636b938SSara Sharon } 55795f8a3561SJohannes Berg } 55800636b938SSara Sharon 55810636b938SSara Sharon static void iwl_mvm_sync_rx_queues(struct ieee80211_hw *hw) 55820636b938SSara Sharon { 55830636b938SSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 55840636b938SSara Sharon 55850636b938SSara Sharon mutex_lock(&mvm->mutex); 55865e1688ceSJohannes Berg iwl_mvm_sync_rx_queues_internal(mvm, IWL_MVM_RXQ_EMPTY, true, NULL, 0); 55870636b938SSara Sharon mutex_unlock(&mvm->mutex); 55880636b938SSara Sharon } 55890636b938SSara Sharon 5590b73f9a4aSJohannes Berg static int 5591b73f9a4aSJohannes Berg iwl_mvm_mac_get_ftm_responder_stats(struct ieee80211_hw *hw, 5592b73f9a4aSJohannes Berg struct ieee80211_vif *vif, 5593b73f9a4aSJohannes Berg struct cfg80211_ftm_responder_stats *stats) 5594b73f9a4aSJohannes Berg { 5595b73f9a4aSJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5596b73f9a4aSJohannes Berg struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5597b73f9a4aSJohannes Berg 5598b73f9a4aSJohannes Berg if (vif->p2p || vif->type != NL80211_IFTYPE_AP || 5599b73f9a4aSJohannes Berg !mvmvif->ap_ibss_active || !vif->bss_conf.ftm_responder) 5600b73f9a4aSJohannes Berg return -EINVAL; 5601b73f9a4aSJohannes Berg 5602b73f9a4aSJohannes Berg mutex_lock(&mvm->mutex); 5603b73f9a4aSJohannes Berg *stats = mvm->ftm_resp_stats; 5604b73f9a4aSJohannes Berg mutex_unlock(&mvm->mutex); 5605b73f9a4aSJohannes Berg 5606b73f9a4aSJohannes Berg stats->filled = BIT(NL80211_FTM_STATS_SUCCESS_NUM) | 5607b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_PARTIAL_NUM) | 5608b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_FAILED_NUM) | 5609b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_ASAP_NUM) | 5610b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_NON_ASAP_NUM) | 5611b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_TOTAL_DURATION_MSEC) | 5612b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_UNKNOWN_TRIGGERS_NUM) | 5613b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_RESCHEDULE_REQUESTS_NUM) | 5614b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_OUT_OF_WINDOW_TRIGGERS_NUM); 5615b73f9a4aSJohannes Berg 5616b73f9a4aSJohannes Berg return 0; 5617b73f9a4aSJohannes Berg } 5618b73f9a4aSJohannes Berg 5619fc36ffdaSJohannes Berg static int iwl_mvm_start_pmsr(struct ieee80211_hw *hw, 5620fc36ffdaSJohannes Berg struct ieee80211_vif *vif, 5621fc36ffdaSJohannes Berg struct cfg80211_pmsr_request *request) 5622fc36ffdaSJohannes Berg { 5623fc36ffdaSJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5624fc36ffdaSJohannes Berg int ret; 5625fc36ffdaSJohannes Berg 5626fc36ffdaSJohannes Berg mutex_lock(&mvm->mutex); 5627fc36ffdaSJohannes Berg ret = iwl_mvm_ftm_start(mvm, vif, request); 5628fc36ffdaSJohannes Berg mutex_unlock(&mvm->mutex); 5629fc36ffdaSJohannes Berg 5630fc36ffdaSJohannes Berg return ret; 5631fc36ffdaSJohannes Berg } 5632fc36ffdaSJohannes Berg 5633fc36ffdaSJohannes Berg static void iwl_mvm_abort_pmsr(struct ieee80211_hw *hw, 5634fc36ffdaSJohannes Berg struct ieee80211_vif *vif, 5635fc36ffdaSJohannes Berg struct cfg80211_pmsr_request *request) 5636fc36ffdaSJohannes Berg { 5637fc36ffdaSJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5638fc36ffdaSJohannes Berg 5639fc36ffdaSJohannes Berg mutex_lock(&mvm->mutex); 5640fc36ffdaSJohannes Berg iwl_mvm_ftm_abort(mvm, request); 5641fc36ffdaSJohannes Berg mutex_unlock(&mvm->mutex); 5642fc36ffdaSJohannes Berg } 5643fc36ffdaSJohannes Berg 5644438af969SSara Sharon static bool iwl_mvm_can_hw_csum(struct sk_buff *skb) 5645438af969SSara Sharon { 5646438af969SSara Sharon u8 protocol = ip_hdr(skb)->protocol; 5647438af969SSara Sharon 5648438af969SSara Sharon if (!IS_ENABLED(CONFIG_INET)) 5649438af969SSara Sharon return false; 5650438af969SSara Sharon 5651438af969SSara Sharon return protocol == IPPROTO_TCP || protocol == IPPROTO_UDP; 5652438af969SSara Sharon } 5653438af969SSara Sharon 5654438af969SSara Sharon static bool iwl_mvm_mac_can_aggregate(struct ieee80211_hw *hw, 5655438af969SSara Sharon struct sk_buff *head, 5656438af969SSara Sharon struct sk_buff *skb) 5657438af969SSara Sharon { 5658438af969SSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5659438af969SSara Sharon 56600792df68SJohannes Berg if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_BZ) 56610792df68SJohannes Berg return iwl_mvm_tx_csum_bz(mvm, head, true) == 56620792df68SJohannes Berg iwl_mvm_tx_csum_bz(mvm, skb, true); 56630792df68SJohannes Berg 5664438af969SSara Sharon /* For now don't aggregate IPv6 in AMSDU */ 5665438af969SSara Sharon if (skb->protocol != htons(ETH_P_IP)) 5666438af969SSara Sharon return false; 5667438af969SSara Sharon 5668438af969SSara Sharon if (!iwl_mvm_is_csum_supported(mvm)) 5669438af969SSara Sharon return true; 5670438af969SSara Sharon 5671438af969SSara Sharon return iwl_mvm_can_hw_csum(skb) == iwl_mvm_can_hw_csum(head); 5672438af969SSara Sharon } 5673438af969SSara Sharon 5674e705c121SKalle Valo const struct ieee80211_ops iwl_mvm_hw_ops = { 5675e705c121SKalle Valo .tx = iwl_mvm_mac_tx, 5676cfbc6c4cSSara Sharon .wake_tx_queue = iwl_mvm_mac_wake_tx_queue, 5677e705c121SKalle Valo .ampdu_action = iwl_mvm_mac_ampdu_action, 5678e8503aecSBen Greear .get_antenna = iwl_mvm_op_get_antenna, 5679e705c121SKalle Valo .start = iwl_mvm_mac_start, 5680e705c121SKalle Valo .reconfig_complete = iwl_mvm_mac_reconfig_complete, 5681e705c121SKalle Valo .stop = iwl_mvm_mac_stop, 5682e705c121SKalle Valo .add_interface = iwl_mvm_mac_add_interface, 5683e705c121SKalle Valo .remove_interface = iwl_mvm_mac_remove_interface, 5684e705c121SKalle Valo .config = iwl_mvm_mac_config, 5685e705c121SKalle Valo .prepare_multicast = iwl_mvm_prepare_multicast, 5686e705c121SKalle Valo .configure_filter = iwl_mvm_configure_filter, 5687e705c121SKalle Valo .config_iface_filter = iwl_mvm_config_iface_filter, 5688e705c121SKalle Valo .bss_info_changed = iwl_mvm_bss_info_changed, 5689e705c121SKalle Valo .hw_scan = iwl_mvm_mac_hw_scan, 5690e705c121SKalle Valo .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan, 5691e705c121SKalle Valo .sta_pre_rcu_remove = iwl_mvm_sta_pre_rcu_remove, 5692e705c121SKalle Valo .sta_state = iwl_mvm_mac_sta_state, 5693e705c121SKalle Valo .sta_notify = iwl_mvm_mac_sta_notify, 5694e705c121SKalle Valo .allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames, 5695e705c121SKalle Valo .release_buffered_frames = iwl_mvm_mac_release_buffered_frames, 5696e705c121SKalle Valo .set_rts_threshold = iwl_mvm_mac_set_rts_threshold, 5697e705c121SKalle Valo .sta_rc_update = iwl_mvm_sta_rc_update, 5698e705c121SKalle Valo .conf_tx = iwl_mvm_mac_conf_tx, 5699e705c121SKalle Valo .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx, 57006b1259d1SJohannes Berg .mgd_complete_tx = iwl_mvm_mac_mgd_complete_tx, 5701e705c121SKalle Valo .mgd_protect_tdls_discover = iwl_mvm_mac_mgd_protect_tdls_discover, 5702e705c121SKalle Valo .flush = iwl_mvm_mac_flush, 5703e705c121SKalle Valo .sched_scan_start = iwl_mvm_mac_sched_scan_start, 5704e705c121SKalle Valo .sched_scan_stop = iwl_mvm_mac_sched_scan_stop, 5705e705c121SKalle Valo .set_key = iwl_mvm_mac_set_key, 5706e705c121SKalle Valo .update_tkip_key = iwl_mvm_mac_update_tkip_key, 5707e705c121SKalle Valo .remain_on_channel = iwl_mvm_roc, 5708e705c121SKalle Valo .cancel_remain_on_channel = iwl_mvm_cancel_roc, 5709e705c121SKalle Valo .add_chanctx = iwl_mvm_add_chanctx, 5710e705c121SKalle Valo .remove_chanctx = iwl_mvm_remove_chanctx, 5711e705c121SKalle Valo .change_chanctx = iwl_mvm_change_chanctx, 5712e705c121SKalle Valo .assign_vif_chanctx = iwl_mvm_assign_vif_chanctx, 5713e705c121SKalle Valo .unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx, 5714e705c121SKalle Valo .switch_vif_chanctx = iwl_mvm_switch_vif_chanctx, 5715e705c121SKalle Valo 5716ae7ba17bSShaul Triebitz .start_ap = iwl_mvm_start_ap, 5717ae7ba17bSShaul Triebitz .stop_ap = iwl_mvm_stop_ap, 5718ae7ba17bSShaul Triebitz .join_ibss = iwl_mvm_start_ibss, 5719ae7ba17bSShaul Triebitz .leave_ibss = iwl_mvm_stop_ibss, 5720e705c121SKalle Valo 57212f0282dbSJohannes Berg .tx_last_beacon = iwl_mvm_tx_last_beacon, 57222f0282dbSJohannes Berg 5723e705c121SKalle Valo .set_tim = iwl_mvm_set_tim, 5724e705c121SKalle Valo 5725e705c121SKalle Valo .channel_switch = iwl_mvm_channel_switch, 5726e705c121SKalle Valo .pre_channel_switch = iwl_mvm_pre_channel_switch, 5727e705c121SKalle Valo .post_channel_switch = iwl_mvm_post_channel_switch, 572879221126SSara Sharon .abort_channel_switch = iwl_mvm_abort_channel_switch, 5729c37763d2SSara Sharon .channel_switch_rx_beacon = iwl_mvm_channel_switch_rx_beacon, 5730e705c121SKalle Valo 5731e705c121SKalle Valo .tdls_channel_switch = iwl_mvm_tdls_channel_switch, 5732e705c121SKalle Valo .tdls_cancel_channel_switch = iwl_mvm_tdls_cancel_channel_switch, 5733e705c121SKalle Valo .tdls_recv_channel_switch = iwl_mvm_tdls_recv_channel_switch, 5734e705c121SKalle Valo 5735e705c121SKalle Valo .event_callback = iwl_mvm_mac_event_callback, 5736e705c121SKalle Valo 57370636b938SSara Sharon .sync_rx_queues = iwl_mvm_sync_rx_queues, 57380636b938SSara Sharon 5739e705c121SKalle Valo CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd) 5740e705c121SKalle Valo 5741e705c121SKalle Valo #ifdef CONFIG_PM_SLEEP 5742e705c121SKalle Valo /* look at d3.c */ 5743e705c121SKalle Valo .suspend = iwl_mvm_suspend, 5744e705c121SKalle Valo .resume = iwl_mvm_resume, 5745e705c121SKalle Valo .set_wakeup = iwl_mvm_set_wakeup, 5746e705c121SKalle Valo .set_rekey_data = iwl_mvm_set_rekey_data, 5747e705c121SKalle Valo #if IS_ENABLED(CONFIG_IPV6) 5748e705c121SKalle Valo .ipv6_addr_change = iwl_mvm_ipv6_addr_change, 5749e705c121SKalle Valo #endif 5750e705c121SKalle Valo .set_default_unicast_key = iwl_mvm_set_default_unicast_key, 5751e705c121SKalle Valo #endif 5752e705c121SKalle Valo .get_survey = iwl_mvm_mac_get_survey, 5753e705c121SKalle Valo .sta_statistics = iwl_mvm_mac_sta_statistics, 5754b73f9a4aSJohannes Berg .get_ftm_responder_stats = iwl_mvm_mac_get_ftm_responder_stats, 5755fc36ffdaSJohannes Berg .start_pmsr = iwl_mvm_start_pmsr, 5756fc36ffdaSJohannes Berg .abort_pmsr = iwl_mvm_abort_pmsr, 5757b73f9a4aSJohannes Berg 5758438af969SSara Sharon .can_aggregate_in_amsdu = iwl_mvm_mac_can_aggregate, 5759177a11cfSGregory Greenman #ifdef CONFIG_IWLWIFI_DEBUGFS 5760177a11cfSGregory Greenman .sta_add_debugfs = iwl_mvm_sta_add_debugfs, 5761177a11cfSGregory Greenman #endif 5762e705c121SKalle Valo }; 5763