18e99ea8dSJohannes Berg // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause 28e99ea8dSJohannes Berg /* 3207be64fSMiri Korenblit * Copyright (C) 2012-2014, 2018-2023 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" 31cf85123aSAvraham Stern #include "time-sync.h" 32e705c121SKalle Valo 33e705c121SKalle Valo static const struct ieee80211_iface_limit iwl_mvm_limits[] = { 34e705c121SKalle Valo { 35e705c121SKalle Valo .max = 1, 36e705c121SKalle Valo .types = BIT(NL80211_IFTYPE_STATION), 37e705c121SKalle Valo }, 38e705c121SKalle Valo { 39e705c121SKalle Valo .max = 1, 40e705c121SKalle Valo .types = BIT(NL80211_IFTYPE_AP) | 41e705c121SKalle Valo BIT(NL80211_IFTYPE_P2P_CLIENT) | 42e705c121SKalle Valo BIT(NL80211_IFTYPE_P2P_GO), 43e705c121SKalle Valo }, 44e705c121SKalle Valo { 45e705c121SKalle Valo .max = 1, 46e705c121SKalle Valo .types = BIT(NL80211_IFTYPE_P2P_DEVICE), 47e705c121SKalle Valo }, 48e705c121SKalle Valo }; 49e705c121SKalle Valo 50e705c121SKalle Valo static const struct ieee80211_iface_combination iwl_mvm_iface_combinations[] = { 51e705c121SKalle Valo { 52e705c121SKalle Valo .num_different_channels = 2, 53e705c121SKalle Valo .max_interfaces = 3, 54e705c121SKalle Valo .limits = iwl_mvm_limits, 55e705c121SKalle Valo .n_limits = ARRAY_SIZE(iwl_mvm_limits), 56e705c121SKalle Valo }, 57e705c121SKalle Valo }; 58e705c121SKalle Valo 59fc36ffdaSJohannes Berg static const struct cfg80211_pmsr_capabilities iwl_mvm_pmsr_capa = { 60fc36ffdaSJohannes Berg .max_peers = IWL_MVM_TOF_MAX_APS, 61fc36ffdaSJohannes Berg .report_ap_tsf = 1, 62fc36ffdaSJohannes Berg .randomize_mac_addr = 1, 63fc36ffdaSJohannes Berg 64fc36ffdaSJohannes Berg .ftm = { 65fc36ffdaSJohannes Berg .supported = 1, 66fc36ffdaSJohannes Berg .asap = 1, 67fc36ffdaSJohannes Berg .non_asap = 1, 68fc36ffdaSJohannes Berg .request_lci = 1, 69fc36ffdaSJohannes Berg .request_civicloc = 1, 706815e3d0SAvraham Stern .trigger_based = 1, 716815e3d0SAvraham Stern .non_trigger_based = 1, 72fc36ffdaSJohannes Berg .max_bursts_exponent = -1, /* all supported */ 73fc36ffdaSJohannes Berg .max_ftms_per_burst = 0, /* no limits */ 74fc36ffdaSJohannes Berg .bandwidths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | 75fc36ffdaSJohannes Berg BIT(NL80211_CHAN_WIDTH_20) | 76fc36ffdaSJohannes Berg BIT(NL80211_CHAN_WIDTH_40) | 778a2c1516SAvraham Stern BIT(NL80211_CHAN_WIDTH_80) | 788a2c1516SAvraham Stern BIT(NL80211_CHAN_WIDTH_160), 79fc36ffdaSJohannes Berg .preambles = BIT(NL80211_PREAMBLE_LEGACY) | 80fc36ffdaSJohannes Berg BIT(NL80211_PREAMBLE_HT) | 816815e3d0SAvraham Stern BIT(NL80211_PREAMBLE_VHT) | 826815e3d0SAvraham Stern BIT(NL80211_PREAMBLE_HE), 83fc36ffdaSJohannes Berg }, 84fc36ffdaSJohannes Berg }; 85fc36ffdaSJohannes Berg 866569e7d3SJohannes Berg static int __iwl_mvm_mac_set_key(struct ieee80211_hw *hw, 87c56e00a3SJohannes Berg enum set_key_cmd cmd, 88c56e00a3SJohannes Berg struct ieee80211_vif *vif, 89c56e00a3SJohannes Berg struct ieee80211_sta *sta, 90c56e00a3SJohannes Berg struct ieee80211_key_conf *key); 91c56e00a3SJohannes Berg 92e705c121SKalle Valo static void iwl_mvm_reset_phy_ctxts(struct iwl_mvm *mvm) 93e705c121SKalle Valo { 94e705c121SKalle Valo int i; 95e705c121SKalle Valo 96e705c121SKalle Valo memset(mvm->phy_ctxts, 0, sizeof(mvm->phy_ctxts)); 97e705c121SKalle Valo for (i = 0; i < NUM_PHY_CTX; i++) { 98e705c121SKalle Valo mvm->phy_ctxts[i].id = i; 99e705c121SKalle Valo mvm->phy_ctxts[i].ref = 0; 100e705c121SKalle Valo } 101e705c121SKalle Valo } 102e705c121SKalle Valo 103e705c121SKalle Valo struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy, 104e705c121SKalle Valo const char *alpha2, 105e705c121SKalle Valo enum iwl_mcc_source src_id, 106e705c121SKalle Valo bool *changed) 107e705c121SKalle Valo { 108e705c121SKalle Valo struct ieee80211_regdomain *regd = NULL; 109e705c121SKalle Valo struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); 110e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 111e9b63341SAbhishek Naik struct iwl_mcc_update_resp_v8 *resp; 112e27c506aSGil Adam u8 resp_ver; 113e705c121SKalle Valo 114e705c121SKalle Valo IWL_DEBUG_LAR(mvm, "Getting regdomain data for %s from FW\n", alpha2); 115e705c121SKalle Valo 116e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 117e705c121SKalle Valo 118e705c121SKalle Valo resp = iwl_mvm_update_mcc(mvm, alpha2, src_id); 119e705c121SKalle Valo if (IS_ERR_OR_NULL(resp)) { 120e705c121SKalle Valo IWL_DEBUG_LAR(mvm, "Could not get update from FW %d\n", 121e705c121SKalle Valo PTR_ERR_OR_ZERO(resp)); 1226d19a5ebSEmmanuel Grumbach resp = NULL; 123e705c121SKalle Valo goto out; 124e705c121SKalle Valo } 125e705c121SKalle Valo 12682715ac7SEmmanuel Grumbach if (changed) { 12782715ac7SEmmanuel Grumbach u32 status = le32_to_cpu(resp->status); 12882715ac7SEmmanuel Grumbach 12982715ac7SEmmanuel Grumbach *changed = (status == MCC_RESP_NEW_CHAN_PROFILE || 13082715ac7SEmmanuel Grumbach status == MCC_RESP_ILLEGAL); 13182715ac7SEmmanuel Grumbach } 132e27c506aSGil Adam resp_ver = iwl_fw_lookup_notif_ver(mvm->fw, IWL_ALWAYS_LONG_GROUP, 133e27c506aSGil Adam MCC_UPDATE_CMD, 0); 134e27c506aSGil Adam IWL_DEBUG_LAR(mvm, "MCC update response version: %d\n", resp_ver); 135e705c121SKalle Valo 136e705c121SKalle Valo regd = iwl_parse_nvm_mcc_info(mvm->trans->dev, mvm->cfg, 137e705c121SKalle Valo __le32_to_cpu(resp->n_channels), 138e705c121SKalle Valo resp->channels, 13977e30e10SHaim Dreyfuss __le16_to_cpu(resp->mcc), 1402763bba6SHaim Dreyfuss __le16_to_cpu(resp->geo_info), 141e9b63341SAbhishek Naik le32_to_cpu(resp->cap), resp_ver); 142e705c121SKalle Valo /* Store the return source id */ 143e705c121SKalle Valo src_id = resp->source_id; 144e705c121SKalle Valo if (IS_ERR_OR_NULL(regd)) { 145e705c121SKalle Valo IWL_DEBUG_LAR(mvm, "Could not get parse update from FW %d\n", 146e705c121SKalle Valo PTR_ERR_OR_ZERO(regd)); 147e705c121SKalle Valo goto out; 148e705c121SKalle Valo } 149e705c121SKalle Valo 150e705c121SKalle Valo IWL_DEBUG_LAR(mvm, "setting alpha2 from FW to %s (0x%x, 0x%x) src=%d\n", 151e705c121SKalle Valo regd->alpha2, regd->alpha2[0], regd->alpha2[1], src_id); 152e705c121SKalle Valo mvm->lar_regdom_set = true; 153e705c121SKalle Valo mvm->mcc_src = src_id; 154e705c121SKalle Valo 1556d19a5ebSEmmanuel Grumbach iwl_mei_set_country_code(__le16_to_cpu(resp->mcc)); 1566d19a5ebSEmmanuel Grumbach 157e705c121SKalle Valo out: 1586d19a5ebSEmmanuel Grumbach kfree(resp); 159e705c121SKalle Valo return regd; 160e705c121SKalle Valo } 161e705c121SKalle Valo 162e705c121SKalle Valo void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm) 163e705c121SKalle Valo { 164e705c121SKalle Valo bool changed; 165e705c121SKalle Valo struct ieee80211_regdomain *regd; 166e705c121SKalle Valo 167e705c121SKalle Valo if (!iwl_mvm_is_lar_supported(mvm)) 168e705c121SKalle Valo return; 169e705c121SKalle Valo 170e705c121SKalle Valo regd = iwl_mvm_get_current_regdomain(mvm, &changed); 171e705c121SKalle Valo if (!IS_ERR_OR_NULL(regd)) { 172e705c121SKalle Valo /* only update the regulatory core if changed */ 173e705c121SKalle Valo if (changed) 174e705c121SKalle Valo regulatory_set_wiphy_regd(mvm->hw->wiphy, regd); 175e705c121SKalle Valo 176e705c121SKalle Valo kfree(regd); 177e705c121SKalle Valo } 178e705c121SKalle Valo } 179e705c121SKalle Valo 180e705c121SKalle Valo struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm, 181e705c121SKalle Valo bool *changed) 182e705c121SKalle Valo { 183e705c121SKalle Valo return iwl_mvm_get_regdomain(mvm->hw->wiphy, "ZZ", 184e705c121SKalle Valo iwl_mvm_is_wifi_mcc_supported(mvm) ? 185e705c121SKalle Valo MCC_SOURCE_GET_CURRENT : 186e705c121SKalle Valo MCC_SOURCE_OLD_FW, changed); 187e705c121SKalle Valo } 188e705c121SKalle Valo 189e705c121SKalle Valo int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm) 190e705c121SKalle Valo { 191e705c121SKalle Valo enum iwl_mcc_source used_src; 192e705c121SKalle Valo struct ieee80211_regdomain *regd; 193e705c121SKalle Valo int ret; 194e705c121SKalle Valo bool changed; 195e705c121SKalle Valo const struct ieee80211_regdomain *r = 196a05829a7SJohannes Berg wiphy_dereference(mvm->hw->wiphy, mvm->hw->wiphy->regd); 197e705c121SKalle Valo 198e705c121SKalle Valo if (!r) 199e705c121SKalle Valo return -ENOENT; 200e705c121SKalle Valo 201e705c121SKalle Valo /* save the last source in case we overwrite it below */ 202e705c121SKalle Valo used_src = mvm->mcc_src; 203e705c121SKalle Valo if (iwl_mvm_is_wifi_mcc_supported(mvm)) { 204e705c121SKalle Valo /* Notify the firmware we support wifi location updates */ 205e705c121SKalle Valo regd = iwl_mvm_get_current_regdomain(mvm, NULL); 206e705c121SKalle Valo if (!IS_ERR_OR_NULL(regd)) 207e705c121SKalle Valo kfree(regd); 208e705c121SKalle Valo } 209e705c121SKalle Valo 210e705c121SKalle Valo /* Now set our last stored MCC and source */ 211e705c121SKalle Valo regd = iwl_mvm_get_regdomain(mvm->hw->wiphy, r->alpha2, used_src, 212e705c121SKalle Valo &changed); 213e705c121SKalle Valo if (IS_ERR_OR_NULL(regd)) 214e705c121SKalle Valo return -EIO; 215e705c121SKalle Valo 216e705c121SKalle Valo /* update cfg80211 if the regdomain was changed */ 217e705c121SKalle Valo if (changed) 218a05829a7SJohannes Berg ret = regulatory_set_wiphy_regd_sync(mvm->hw->wiphy, regd); 219e705c121SKalle Valo else 220e705c121SKalle Valo ret = 0; 221e705c121SKalle Valo 222e705c121SKalle Valo kfree(regd); 223e705c121SKalle Valo return ret; 224e705c121SKalle Valo } 225e705c121SKalle Valo 2268e33f046SKrishnanand Prabhu /* Each capability added here should also be add to tm_if_types_ext_capa_sta */ 2277f2ea521SYueHaibing static const u8 he_if_types_ext_capa_sta[] = { 2287360f99eSEmmanuel Grumbach [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING, 229918cbf39SSara Sharon [2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT, 230784d4a42SJohannes Berg [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF | 231784d4a42SJohannes Berg WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB, 232784d4a42SJohannes Berg [8] = WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB, 2337360f99eSEmmanuel Grumbach }; 2347360f99eSEmmanuel Grumbach 2358e33f046SKrishnanand Prabhu static const u8 tm_if_types_ext_capa_sta[] = { 2368e33f046SKrishnanand Prabhu [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING, 2378e33f046SKrishnanand Prabhu [2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT | 2388e33f046SKrishnanand Prabhu WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT, 239784d4a42SJohannes Berg [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF | 240784d4a42SJohannes Berg WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB, 241784d4a42SJohannes Berg [8] = WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB, 2428e33f046SKrishnanand Prabhu [9] = WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT, 2438e33f046SKrishnanand Prabhu }; 2448e33f046SKrishnanand Prabhu 2458e33f046SKrishnanand Prabhu /* Additional interface types for which extended capabilities are 2468e33f046SKrishnanand Prabhu * specified separately 2478e33f046SKrishnanand Prabhu */ 2486107f300SEmmanuel Grumbach 2496107f300SEmmanuel Grumbach #define IWL_MVM_EMLSR_CAPA (IEEE80211_EML_CAP_EMLSR_SUPP | \ 2506107f300SEmmanuel Grumbach IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_32US << \ 2516107f300SEmmanuel Grumbach __bf_shf(IEEE80211_EML_CAP_EMLSR_PADDING_DELAY) | \ 2526107f300SEmmanuel Grumbach IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_64US << \ 2536107f300SEmmanuel Grumbach __bf_shf(IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY)) 2546107f300SEmmanuel Grumbach 2558e33f046SKrishnanand Prabhu static const struct wiphy_iftype_ext_capab add_iftypes_ext_capa[] = { 2567360f99eSEmmanuel Grumbach { 2577360f99eSEmmanuel Grumbach .iftype = NL80211_IFTYPE_STATION, 2587360f99eSEmmanuel Grumbach .extended_capabilities = he_if_types_ext_capa_sta, 2597360f99eSEmmanuel Grumbach .extended_capabilities_mask = he_if_types_ext_capa_sta, 2607360f99eSEmmanuel Grumbach .extended_capabilities_len = sizeof(he_if_types_ext_capa_sta), 2616107f300SEmmanuel Grumbach /* relevant only if EHT is supported */ 2626107f300SEmmanuel Grumbach .eml_capabilities = IWL_MVM_EMLSR_CAPA, 2637360f99eSEmmanuel Grumbach }, 2648e33f046SKrishnanand Prabhu { 2658e33f046SKrishnanand Prabhu .iftype = NL80211_IFTYPE_STATION, 2668e33f046SKrishnanand Prabhu .extended_capabilities = tm_if_types_ext_capa_sta, 2678e33f046SKrishnanand Prabhu .extended_capabilities_mask = tm_if_types_ext_capa_sta, 2688e33f046SKrishnanand Prabhu .extended_capabilities_len = sizeof(tm_if_types_ext_capa_sta), 2698e33f046SKrishnanand Prabhu /* relevant only if EHT is supported */ 2706107f300SEmmanuel Grumbach .eml_capabilities = IWL_MVM_EMLSR_CAPA, 2718e33f046SKrishnanand Prabhu }, 2727360f99eSEmmanuel Grumbach }; 2737360f99eSEmmanuel Grumbach 274cbce62a3SMiri Korenblit int iwl_mvm_op_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant) 275e8503aecSBen Greear { 276e8503aecSBen Greear struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 277e8503aecSBen Greear *tx_ant = iwl_mvm_get_valid_tx_ant(mvm); 278e8503aecSBen Greear *rx_ant = iwl_mvm_get_valid_rx_ant(mvm); 279e8503aecSBen Greear return 0; 280e8503aecSBen Greear } 281e8503aecSBen Greear 282e705c121SKalle Valo int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) 283e705c121SKalle Valo { 284e705c121SKalle Valo struct ieee80211_hw *hw = mvm->hw; 285e705c121SKalle Valo int num_mac, ret, i; 286e705c121SKalle Valo static const u32 mvm_ciphers[] = { 287e705c121SKalle Valo WLAN_CIPHER_SUITE_WEP40, 288e705c121SKalle Valo WLAN_CIPHER_SUITE_WEP104, 289e705c121SKalle Valo WLAN_CIPHER_SUITE_TKIP, 290e705c121SKalle Valo WLAN_CIPHER_SUITE_CCMP, 291e705c121SKalle Valo }; 2923f37c229SIdo Yariv #ifdef CONFIG_PM_SLEEP 2933f37c229SIdo Yariv bool unified = fw_has_capa(&mvm->fw->ucode_capa, 2943f37c229SIdo Yariv IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG); 2953f37c229SIdo Yariv #endif 296a5de7de7SJohannes Berg u32 sec_key_id = WIDE_ID(DATA_PATH_GROUP, SEC_KEY_CMD); 297a5de7de7SJohannes Berg u8 sec_key_ver = iwl_fw_lookup_cmd_ver(mvm->fw, sec_key_id, 0); 298e705c121SKalle Valo 299e705c121SKalle Valo /* Tell mac80211 our characteristics */ 300e705c121SKalle Valo ieee80211_hw_set(hw, SIGNAL_DBM); 301e705c121SKalle Valo ieee80211_hw_set(hw, SPECTRUM_MGMT); 302e705c121SKalle Valo ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS); 303e705c121SKalle Valo ieee80211_hw_set(hw, WANT_MONITOR_VIF); 304e705c121SKalle Valo ieee80211_hw_set(hw, SUPPORTS_PS); 305e705c121SKalle Valo ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS); 306e705c121SKalle Valo ieee80211_hw_set(hw, AMPDU_AGGREGATION); 307e705c121SKalle Valo ieee80211_hw_set(hw, CONNECTION_MONITOR); 308e705c121SKalle Valo ieee80211_hw_set(hw, CHANCTX_STA_CSA); 309e705c121SKalle Valo ieee80211_hw_set(hw, SUPPORT_FAST_XMIT); 310e705c121SKalle Valo ieee80211_hw_set(hw, SUPPORTS_CLONED_SKBS); 311909ddf0bSJohannes Berg ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU); 31230433d3bSJohannes Berg ieee80211_hw_set(hw, NEEDS_UNIQUE_STA_ADDR); 313520229e4SShaul Triebitz ieee80211_hw_set(hw, SUPPORTS_VHT_EXT_NSS_BW); 314cfbc6c4cSSara Sharon ieee80211_hw_set(hw, BUFF_MMPDU_TXQ); 315cfbc6c4cSSara Sharon ieee80211_hw_set(hw, STA_MMPDU_TXQ); 316ef2b47b8SJohannes Berg 3170120e6b3SGregory Greenman /* Set this early since we need to have it for the check below */ 3180120e6b3SGregory Greenman if (mvm->mld_api_is_used && 3190120e6b3SGregory Greenman mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_BZ) 3200120e6b3SGregory Greenman hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_MLO; 3210120e6b3SGregory Greenman 322ef2b47b8SJohannes Berg /* With MLD FW API, it tracks timing by itself, 323ef2b47b8SJohannes Berg * no need for any timing from the host 324ef2b47b8SJohannes Berg */ 325ef2b47b8SJohannes Berg if (!mvm->mld_api_is_used) 326ef2b47b8SJohannes Berg ieee80211_hw_set(hw, TIMING_BEACON_ONLY); 327ef2b47b8SJohannes Berg 328ef2b47b8SJohannes Berg /* We should probably have this, but mac80211 329ef2b47b8SJohannes Berg * currently doesn't support it for MLO. 330ef2b47b8SJohannes Berg */ 331ef2b47b8SJohannes Berg if (!(hw->wiphy->flags & WIPHY_FLAG_SUPPORTS_MLO)) 332ef2b47b8SJohannes Berg ieee80211_hw_set(hw, DEAUTH_NEED_MGD_TX_PREP); 333ef2b47b8SJohannes Berg 334cfb21b11SJohannes Berg /* 335cfb21b11SJohannes Berg * On older devices, enabling TX A-MSDU occasionally leads to 336cfb21b11SJohannes Berg * something getting messed up, the command read from the FIFO 337cfb21b11SJohannes Berg * gets out of sync and isn't a TX command, so that we have an 338cfb21b11SJohannes Berg * assert EDC. 339cfb21b11SJohannes Berg * 340cfb21b11SJohannes Berg * It's not clear where the bug is, but since we didn't used to 341cfb21b11SJohannes Berg * support A-MSDU until moving the mac80211 iTXQs, just leave it 342cfb21b11SJohannes Berg * for older devices. We also don't see this issue on any newer 343cfb21b11SJohannes Berg * devices. 344cfb21b11SJohannes Berg */ 3457d34a7d7SLuca Coelho if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_9000) 346438af969SSara Sharon ieee80211_hw_set(hw, TX_AMSDU); 347438af969SSara Sharon ieee80211_hw_set(hw, TX_FRAG_LIST); 348ecaf71deSGregory Greenman 3494243edb4SEmmanuel Grumbach if (iwl_mvm_has_tlc_offload(mvm)) { 350ecaf71deSGregory Greenman ieee80211_hw_set(hw, TX_AMPDU_SETUP_IN_HW); 351ecaf71deSGregory Greenman ieee80211_hw_set(hw, HAS_RATE_CONTROL); 352ecaf71deSGregory Greenman } 353ecaf71deSGregory Greenman 354b915c101SSara Sharon if (iwl_mvm_has_new_rx_api(mvm)) 355b915c101SSara Sharon ieee80211_hw_set(hw, SUPPORTS_REORDERING_BUFFER); 356960f864bSJohannes Berg 357960f864bSJohannes Berg if (fw_has_capa(&mvm->fw->ucode_capa, 358960f864bSJohannes Berg IWL_UCODE_TLV_CAPA_STA_PM_NOTIF)) { 35965e25482SJohannes Berg ieee80211_hw_set(hw, AP_LINK_PS); 360960f864bSJohannes Berg } else if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) { 361960f864bSJohannes Berg /* 362960f864bSJohannes Berg * we absolutely need this for the new TX API since that comes 363960f864bSJohannes Berg * with many more queues than the current code can deal with 364960f864bSJohannes Berg * for station powersave 365960f864bSJohannes Berg */ 366960f864bSJohannes Berg return -EINVAL; 367960f864bSJohannes Berg } 368e705c121SKalle Valo 36980938abcSJohannes Berg if (mvm->trans->num_rx_queues > 1) 37080938abcSJohannes Berg ieee80211_hw_set(hw, USES_RSS); 37180938abcSJohannes Berg 3722d7cf549SJohannes Berg if (mvm->trans->max_skb_frags) 3732d7cf549SJohannes Berg hw->netdev_features = NETIF_F_HIGHDMA | NETIF_F_SG; 3742d7cf549SJohannes Berg 375366fc672SJohannes Berg hw->queues = IEEE80211_NUM_ACS; 376e705c121SKalle Valo hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE; 377e705c121SKalle Valo hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FEC | 378e705c121SKalle Valo IEEE80211_RADIOTAP_MCS_HAVE_STBC; 379e705c121SKalle Valo hw->radiotap_vht_details |= IEEE80211_RADIOTAP_VHT_KNOWN_STBC | 380e705c121SKalle Valo IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED; 381371a17edSJohannes Berg 382371a17edSJohannes Berg hw->radiotap_timestamp.units_pos = 383371a17edSJohannes Berg IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US | 384371a17edSJohannes Berg IEEE80211_RADIOTAP_TIMESTAMP_SPOS_PLCP_SIG_ACQ; 385371a17edSJohannes Berg /* this is the case for CCK frames, it's better (only 8) for OFDM */ 386371a17edSJohannes Berg hw->radiotap_timestamp.accuracy = 22; 387371a17edSJohannes Berg 3884243edb4SEmmanuel Grumbach if (!iwl_mvm_has_tlc_offload(mvm)) 3899f66a397SGregory Greenman hw->rate_control_algorithm = RS_NAME; 3909f66a397SGregory Greenman 391e705c121SKalle Valo hw->uapsd_queues = IWL_MVM_UAPSD_QUEUES; 392e705c121SKalle Valo hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP; 393438af969SSara Sharon hw->max_tx_fragments = mvm->trans->max_skb_frags; 394e705c121SKalle Valo 3958e160ab8SAyala Beker BUILD_BUG_ON(ARRAY_SIZE(mvm->ciphers) < ARRAY_SIZE(mvm_ciphers) + 6); 396e705c121SKalle Valo memcpy(mvm->ciphers, mvm_ciphers, sizeof(mvm_ciphers)); 397e705c121SKalle Valo hw->wiphy->n_cipher_suites = ARRAY_SIZE(mvm_ciphers); 398e705c121SKalle Valo hw->wiphy->cipher_suites = mvm->ciphers; 399e705c121SKalle Valo 4002a53d166SAyala Beker if (iwl_mvm_has_new_rx_api(mvm)) { 4012a53d166SAyala Beker mvm->ciphers[hw->wiphy->n_cipher_suites] = 4022a53d166SAyala Beker WLAN_CIPHER_SUITE_GCMP; 4032a53d166SAyala Beker hw->wiphy->n_cipher_suites++; 4042a53d166SAyala Beker mvm->ciphers[hw->wiphy->n_cipher_suites] = 4052a53d166SAyala Beker WLAN_CIPHER_SUITE_GCMP_256; 4062a53d166SAyala Beker hw->wiphy->n_cipher_suites++; 4072a53d166SAyala Beker } 4082a53d166SAyala Beker 409f4bfdc5eSEmmanuel Grumbach if (iwlwifi_mod_params.swcrypto) 410f4bfdc5eSEmmanuel Grumbach IWL_ERR(mvm, 411f4bfdc5eSEmmanuel Grumbach "iwlmvm doesn't allow to disable HW crypto, check swcrypto module parameter\n"); 412f4bfdc5eSEmmanuel Grumbach if (!iwlwifi_mod_params.bt_coex_active) 413f4bfdc5eSEmmanuel Grumbach IWL_ERR(mvm, 414f4bfdc5eSEmmanuel Grumbach "iwlmvm doesn't allow to disable BT Coex, check bt_coex_active module parameter\n"); 415f4bfdc5eSEmmanuel Grumbach 416e705c121SKalle Valo ieee80211_hw_set(hw, MFP_CAPABLE); 417f4bfdc5eSEmmanuel Grumbach mvm->ciphers[hw->wiphy->n_cipher_suites] = WLAN_CIPHER_SUITE_AES_CMAC; 418e705c121SKalle Valo hw->wiphy->n_cipher_suites++; 4198e160ab8SAyala Beker if (iwl_mvm_has_new_rx_api(mvm)) { 4208e160ab8SAyala Beker mvm->ciphers[hw->wiphy->n_cipher_suites] = 4218e160ab8SAyala Beker WLAN_CIPHER_SUITE_BIP_GMAC_128; 4228e160ab8SAyala Beker hw->wiphy->n_cipher_suites++; 4238e160ab8SAyala Beker mvm->ciphers[hw->wiphy->n_cipher_suites] = 4248e160ab8SAyala Beker WLAN_CIPHER_SUITE_BIP_GMAC_256; 4258e160ab8SAyala Beker hw->wiphy->n_cipher_suites++; 4268e160ab8SAyala Beker } 427e705c121SKalle Valo 428ef2e7a51SIlan Peer wiphy_ext_feature_set(hw->wiphy, 429ef2e7a51SIlan Peer NL80211_EXT_FEATURE_BEACON_RATE_LEGACY); 430d16b96b5SJohannes Berg wiphy_ext_feature_set(hw->wiphy, 431d16b96b5SJohannes Berg NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT); 432ef2e7a51SIlan Peer 433b73f9a4aSJohannes Berg if (fw_has_capa(&mvm->fw->ucode_capa, 434fc36ffdaSJohannes Berg IWL_UCODE_TLV_CAPA_FTM_CALIBRATED)) { 435b73f9a4aSJohannes Berg wiphy_ext_feature_set(hw->wiphy, 436b73f9a4aSJohannes Berg NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER); 437fc36ffdaSJohannes Berg hw->wiphy->pmsr_capa = &iwl_mvm_pmsr_capa; 438fc36ffdaSJohannes Berg } 439b73f9a4aSJohannes Berg 440a5de7de7SJohannes Berg if (sec_key_ver && 441a5de7de7SJohannes Berg fw_has_capa(&mvm->fw->ucode_capa, 442a5de7de7SJohannes Berg IWL_UCODE_TLV_CAPA_BIGTK_TX_SUPPORT)) 443a5de7de7SJohannes Berg wiphy_ext_feature_set(hw->wiphy, 444a5de7de7SJohannes Berg NL80211_EXT_FEATURE_BEACON_PROTECTION); 445a5de7de7SJohannes Berg else if (fw_has_capa(&mvm->fw->ucode_capa, 446b1fdc250SJohannes Berg IWL_UCODE_TLV_CAPA_BIGTK_SUPPORT)) 447b1fdc250SJohannes Berg wiphy_ext_feature_set(hw->wiphy, 448b1fdc250SJohannes Berg NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT); 449b1fdc250SJohannes Berg 450cf85123aSAvraham Stern if (fw_has_capa(&mvm->fw->ucode_capa, 451cf85123aSAvraham Stern IWL_UCODE_TLV_CAPA_TIME_SYNC_BOTH_FTM_TM)) 452cf85123aSAvraham Stern hw->wiphy->hw_timestamp_max_peers = 1; 453cf85123aSAvraham Stern 454e705c121SKalle Valo ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS); 455e705c121SKalle Valo hw->wiphy->features |= 456e705c121SKalle Valo NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR | 457e705c121SKalle Valo NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR | 458e705c121SKalle Valo NL80211_FEATURE_ND_RANDOM_MAC_ADDR; 459e705c121SKalle Valo 460e705c121SKalle Valo hw->sta_data_size = sizeof(struct iwl_mvm_sta); 461e705c121SKalle Valo hw->vif_data_size = sizeof(struct iwl_mvm_vif); 462e705c121SKalle Valo hw->chanctx_data_size = sizeof(u16); 463cfbc6c4cSSara Sharon hw->txq_data_size = sizeof(struct iwl_mvm_txq); 464e705c121SKalle Valo 465e705c121SKalle Valo hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 466e705c121SKalle Valo BIT(NL80211_IFTYPE_P2P_CLIENT) | 467e705c121SKalle Valo BIT(NL80211_IFTYPE_AP) | 468e705c121SKalle Valo BIT(NL80211_IFTYPE_P2P_GO) | 469e705c121SKalle Valo BIT(NL80211_IFTYPE_P2P_DEVICE) | 470e705c121SKalle Valo BIT(NL80211_IFTYPE_ADHOC); 471e705c121SKalle Valo 472e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; 473e47df5bdSJohannes Berg wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_VHT_IBSS); 47433e3fd99SAlexander Wetzel 47533e3fd99SAlexander Wetzel /* The new Tx API does not allow to pass the key or keyid of a MPDU to 47633e3fd99SAlexander Wetzel * the hw, preventing us to control which key(id) to use per MPDU. 47733e3fd99SAlexander Wetzel * Till that's fixed we can't use Extended Key ID for the newer cards. 47833e3fd99SAlexander Wetzel */ 47933e3fd99SAlexander Wetzel if (!iwl_mvm_has_new_tx_api(mvm)) 48033e3fd99SAlexander Wetzel wiphy_ext_feature_set(hw->wiphy, 48133e3fd99SAlexander Wetzel NL80211_EXT_FEATURE_EXT_KEY_ID); 482e47df5bdSJohannes Berg hw->wiphy->features |= NL80211_FEATURE_HT_IBSS; 483e47df5bdSJohannes Berg 484e705c121SKalle Valo hw->wiphy->regulatory_flags |= REGULATORY_ENABLE_RELAX_NO_IR; 485e705c121SKalle Valo if (iwl_mvm_is_lar_supported(mvm)) 486e705c121SKalle Valo hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED; 487e705c121SKalle Valo else 488e705c121SKalle Valo hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG | 489e705c121SKalle Valo REGULATORY_DISABLE_BEACON_HINTS; 490e705c121SKalle Valo 491e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD; 492e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; 493eae94cf8SLuca Coelho hw->wiphy->flags |= WIPHY_FLAG_SPLIT_SCAN_6GHZ; 494e705c121SKalle Valo 495e705c121SKalle Valo hw->wiphy->iface_combinations = iwl_mvm_iface_combinations; 496e705c121SKalle Valo hw->wiphy->n_iface_combinations = 497e705c121SKalle Valo ARRAY_SIZE(iwl_mvm_iface_combinations); 498e705c121SKalle Valo 499e705c121SKalle Valo hw->wiphy->max_remain_on_channel_duration = 10000; 500e705c121SKalle Valo hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL; 501e705c121SKalle Valo 502e705c121SKalle Valo /* Extract MAC address */ 503e705c121SKalle Valo memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN); 504e705c121SKalle Valo hw->wiphy->addresses = mvm->addresses; 505e705c121SKalle Valo hw->wiphy->n_addresses = 1; 506e705c121SKalle Valo 507e705c121SKalle Valo /* Extract additional MAC addresses if available */ 508e705c121SKalle Valo num_mac = (mvm->nvm_data->n_hw_addrs > 1) ? 509e705c121SKalle Valo min(IWL_MVM_MAX_ADDRESSES, mvm->nvm_data->n_hw_addrs) : 1; 510e705c121SKalle Valo 511e705c121SKalle Valo for (i = 1; i < num_mac; i++) { 512e705c121SKalle Valo memcpy(mvm->addresses[i].addr, mvm->addresses[i-1].addr, 513e705c121SKalle Valo ETH_ALEN); 514e705c121SKalle Valo mvm->addresses[i].addr[5]++; 515e705c121SKalle Valo hw->wiphy->n_addresses++; 516e705c121SKalle Valo } 517e705c121SKalle Valo 518e705c121SKalle Valo iwl_mvm_reset_phy_ctxts(mvm); 519e705c121SKalle Valo 520e705c121SKalle Valo hw->wiphy->max_scan_ie_len = iwl_mvm_max_scan_ie_len(mvm); 521e705c121SKalle Valo 522e705c121SKalle Valo hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX; 523e705c121SKalle Valo 524e705c121SKalle Valo BUILD_BUG_ON(IWL_MVM_SCAN_STOPPING_MASK & IWL_MVM_SCAN_MASK); 525e705c121SKalle Valo BUILD_BUG_ON(IWL_MVM_MAX_UMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK) || 526e705c121SKalle Valo IWL_MVM_MAX_LMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK)); 527e705c121SKalle Valo 528e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 529e705c121SKalle Valo mvm->max_scans = IWL_MVM_MAX_UMAC_SCANS; 530e705c121SKalle Valo else 531e705c121SKalle Valo mvm->max_scans = IWL_MVM_MAX_LMAC_SCANS; 532e705c121SKalle Valo 53357fbcce3SJohannes Berg if (mvm->nvm_data->bands[NL80211_BAND_2GHZ].n_channels) 53457fbcce3SJohannes Berg hw->wiphy->bands[NL80211_BAND_2GHZ] = 53557fbcce3SJohannes Berg &mvm->nvm_data->bands[NL80211_BAND_2GHZ]; 53657fbcce3SJohannes Berg if (mvm->nvm_data->bands[NL80211_BAND_5GHZ].n_channels) { 53757fbcce3SJohannes Berg hw->wiphy->bands[NL80211_BAND_5GHZ] = 53857fbcce3SJohannes Berg &mvm->nvm_data->bands[NL80211_BAND_5GHZ]; 539e705c121SKalle Valo 540e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 541e705c121SKalle Valo IWL_UCODE_TLV_CAPA_BEAMFORMER) && 542e705c121SKalle Valo fw_has_api(&mvm->fw->ucode_capa, 543e705c121SKalle Valo IWL_UCODE_TLV_API_LQ_SS_PARAMS)) 54457fbcce3SJohannes Berg hw->wiphy->bands[NL80211_BAND_5GHZ]->vht_cap.cap |= 545e705c121SKalle Valo IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE; 546e705c121SKalle Valo } 547eae94cf8SLuca Coelho if (fw_has_capa(&mvm->fw->ucode_capa, 548eae94cf8SLuca Coelho IWL_UCODE_TLV_CAPA_PSC_CHAN_SUPPORT) && 549eae94cf8SLuca Coelho mvm->nvm_data->bands[NL80211_BAND_6GHZ].n_channels) 550eae94cf8SLuca Coelho hw->wiphy->bands[NL80211_BAND_6GHZ] = 551eae94cf8SLuca Coelho &mvm->nvm_data->bands[NL80211_BAND_6GHZ]; 552e705c121SKalle Valo 553e705c121SKalle Valo hw->wiphy->hw_version = mvm->trans->hw_id; 554e705c121SKalle Valo 555e705c121SKalle Valo if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM) 556e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; 557e705c121SKalle Valo else 558e705c121SKalle Valo hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; 559e705c121SKalle Valo 560ca986ad9SArend Van Spriel hw->wiphy->max_sched_scan_reqs = 1; 561e705c121SKalle Valo hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX; 5625d1234baSTova Mussai hw->wiphy->max_match_sets = iwl_umac_scan_get_max_profiles(mvm->fw); 563e705c121SKalle Valo /* we create the 802.11 header and zero length SSID IE. */ 564e705c121SKalle Valo hw->wiphy->max_sched_scan_ie_len = 565e705c121SKalle Valo SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2; 566e705c121SKalle Valo hw->wiphy->max_sched_scan_plans = IWL_MAX_SCHED_SCAN_PLANS; 567e705c121SKalle Valo hw->wiphy->max_sched_scan_plan_interval = U16_MAX; 568e705c121SKalle Valo 569e705c121SKalle Valo /* 570e705c121SKalle Valo * the firmware uses u8 for num of iterations, but 0xff is saved for 571e705c121SKalle Valo * infinite loop, so the maximum number of iterations is actually 254. 572e705c121SKalle Valo */ 573e705c121SKalle Valo hw->wiphy->max_sched_scan_plan_iterations = 254; 574e705c121SKalle Valo 575e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN | 576e705c121SKalle Valo NL80211_FEATURE_LOW_PRIORITY_SCAN | 577e705c121SKalle Valo NL80211_FEATURE_P2P_GO_OPPPS | 578a904a08bSPeer, Ilan NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE | 579e705c121SKalle Valo NL80211_FEATURE_DYNAMIC_SMPS | 580e705c121SKalle Valo NL80211_FEATURE_STATIC_SMPS | 581e705c121SKalle Valo NL80211_FEATURE_SUPPORTS_WMM_ADMISSION; 582e705c121SKalle Valo 583e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 584e705c121SKalle Valo IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT)) 585e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_TX_POWER_INSERTION; 586e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 587e705c121SKalle Valo IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT)) 588e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_QUIET; 589e705c121SKalle Valo 590e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 591e705c121SKalle Valo IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT)) 592e705c121SKalle Valo hw->wiphy->features |= 593e705c121SKalle Valo NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES; 594e705c121SKalle Valo 595e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 596e705c121SKalle Valo IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT)) 597e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_WFA_TPC_IE_IN_PROBES; 598e705c121SKalle Valo 599971cbe50SJohannes Berg if (iwl_fw_lookup_cmd_ver(mvm->fw, WOWLAN_KEK_KCK_MATERIAL, 6002a42aea7SNathan Errera IWL_FW_CMD_VER_UNKNOWN) == 3) 6012a42aea7SNathan Errera hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK; 6022a42aea7SNathan Errera 603aacf8f18SAvrahams Stern if (fw_has_api(&mvm->fw->ucode_capa, 604aacf8f18SAvrahams Stern IWL_UCODE_TLV_API_SCAN_TSF_REPORT)) { 605aacf8f18SAvrahams Stern wiphy_ext_feature_set(hw->wiphy, 606aacf8f18SAvrahams Stern NL80211_EXT_FEATURE_SCAN_START_TIME); 607aacf8f18SAvrahams Stern wiphy_ext_feature_set(hw->wiphy, 608aacf8f18SAvrahams Stern NL80211_EXT_FEATURE_BSS_PARENT_TSF); 609aacf8f18SAvrahams Stern } 610aacf8f18SAvrahams Stern 6118f691af9SZamir, Roee if (iwl_mvm_is_oce_supported(mvm)) { 612971cbe50SJohannes Berg u8 scan_ver = iwl_fw_lookup_cmd_ver(mvm->fw, SCAN_REQ_UMAC, 0); 613773a042fSAvraham Stern 6148f691af9SZamir, Roee wiphy_ext_feature_set(hw->wiphy, 6158f691af9SZamir, Roee NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP); 6168f691af9SZamir, Roee wiphy_ext_feature_set(hw->wiphy, 6178f691af9SZamir, Roee NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME); 6188f691af9SZamir, Roee wiphy_ext_feature_set(hw->wiphy, 6198f691af9SZamir, Roee NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE); 620773a042fSAvraham Stern 621773a042fSAvraham Stern /* Old firmware also supports probe deferral and suppression */ 622773a042fSAvraham Stern if (scan_ver < 15) 623773a042fSAvraham Stern wiphy_ext_feature_set(hw->wiphy, 624773a042fSAvraham Stern NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION); 6258f691af9SZamir, Roee } 6268f691af9SZamir, Roee 6278e33f046SKrishnanand Prabhu hw->wiphy->iftype_ext_capab = NULL; 6288e33f046SKrishnanand Prabhu hw->wiphy->num_iftype_ext_capab = 0; 6298e33f046SKrishnanand Prabhu 6307360f99eSEmmanuel Grumbach if (mvm->nvm_data->sku_cap_11ax_enable && 6317360f99eSEmmanuel Grumbach !iwlwifi_mod_params.disable_11ax) { 6328e33f046SKrishnanand Prabhu hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa; 6337360f99eSEmmanuel Grumbach hw->wiphy->num_iftype_ext_capab = 6348e33f046SKrishnanand Prabhu ARRAY_SIZE(add_iftypes_ext_capa) - 1; 635918cbf39SSara Sharon 636918cbf39SSara Sharon ieee80211_hw_set(hw, SUPPORTS_MULTI_BSSID); 637918cbf39SSara Sharon ieee80211_hw_set(hw, SUPPORTS_ONLY_HE_MULTI_BSSID); 6387360f99eSEmmanuel Grumbach } 6397360f99eSEmmanuel Grumbach 6408e33f046SKrishnanand Prabhu if (iwl_fw_lookup_cmd_ver(mvm->fw, 6418e33f046SKrishnanand Prabhu WIDE_ID(DATA_PATH_GROUP, 6428e33f046SKrishnanand Prabhu WNM_80211V_TIMING_MEASUREMENT_CONFIG_CMD), 6438e33f046SKrishnanand Prabhu IWL_FW_CMD_VER_UNKNOWN) >= 1) { 6448e33f046SKrishnanand Prabhu IWL_DEBUG_INFO(mvm->trans, "Timing measurement supported\n"); 6458e33f046SKrishnanand Prabhu 6468e33f046SKrishnanand Prabhu if (!hw->wiphy->iftype_ext_capab) { 6478e33f046SKrishnanand Prabhu hw->wiphy->num_iftype_ext_capab = 1; 6488e33f046SKrishnanand Prabhu hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa + 6498e33f046SKrishnanand Prabhu ARRAY_SIZE(add_iftypes_ext_capa) - 1; 6508e33f046SKrishnanand Prabhu } else { 6518e33f046SKrishnanand Prabhu hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa + 1; 6528e33f046SKrishnanand Prabhu } 6538e33f046SKrishnanand Prabhu } 6548e33f046SKrishnanand Prabhu 655e705c121SKalle Valo mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD; 656e705c121SKalle Valo 657e705c121SKalle Valo #ifdef CONFIG_PM_SLEEP 6583f37c229SIdo Yariv if ((unified || mvm->fw->img[IWL_UCODE_WOWLAN].num_sec) && 659e705c121SKalle Valo mvm->trans->ops->d3_suspend && 660e705c121SKalle Valo mvm->trans->ops->d3_resume && 661e705c121SKalle Valo device_can_wakeup(mvm->trans->dev)) { 662e705c121SKalle Valo mvm->wowlan.flags |= WIPHY_WOWLAN_MAGIC_PKT | 663e705c121SKalle Valo WIPHY_WOWLAN_DISCONNECT | 664e705c121SKalle Valo WIPHY_WOWLAN_EAP_IDENTITY_REQ | 665e705c121SKalle Valo WIPHY_WOWLAN_RFKILL_RELEASE | 666e705c121SKalle Valo WIPHY_WOWLAN_NET_DETECT; 667e705c121SKalle Valo mvm->wowlan.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | 668e705c121SKalle Valo WIPHY_WOWLAN_GTK_REKEY_FAILURE | 669e705c121SKalle Valo WIPHY_WOWLAN_4WAY_HANDSHAKE; 670e705c121SKalle Valo 671e705c121SKalle Valo mvm->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS; 672e705c121SKalle Valo mvm->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN; 673e705c121SKalle Valo mvm->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN; 6745d1234baSTova Mussai mvm->wowlan.max_nd_match_sets = 6755d1234baSTova Mussai iwl_umac_scan_get_max_profiles(mvm->fw); 676e705c121SKalle Valo hw->wiphy->wowlan = &mvm->wowlan; 677e705c121SKalle Valo } 678e705c121SKalle Valo #endif 679e705c121SKalle Valo 680e705c121SKalle Valo ret = iwl_mvm_leds_init(mvm); 681e705c121SKalle Valo if (ret) 682e705c121SKalle Valo return ret; 683e705c121SKalle Valo 684e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 685e705c121SKalle Valo IWL_UCODE_TLV_CAPA_TDLS_SUPPORT)) { 686e705c121SKalle Valo IWL_DEBUG_TDLS(mvm, "TDLS supported\n"); 687e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS; 688e705c121SKalle Valo ieee80211_hw_set(hw, TDLS_WIDER_BW); 689e705c121SKalle Valo } 690e705c121SKalle Valo 691e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 692e705c121SKalle Valo IWL_UCODE_TLV_CAPA_TDLS_CHANNEL_SWITCH)) { 693e705c121SKalle Valo IWL_DEBUG_TDLS(mvm, "TDLS channel switch supported\n"); 694e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH; 695e705c121SKalle Valo } 696e705c121SKalle Valo 697e705c121SKalle Valo hw->netdev_features |= mvm->cfg->features; 69859fa61f3SEmmanuel Grumbach if (!iwl_mvm_is_csum_supported(mvm)) 6996772aab7SJohannes Berg hw->netdev_features &= ~IWL_CSUM_NETIF_FLAGS_MASK; 70041837ca9SEmmanuel Grumbach 70191b08c2dSAviya Erenfeld if (mvm->cfg->vht_mu_mimo_supported) 70291b08c2dSAviya Erenfeld wiphy_ext_feature_set(hw->wiphy, 70391b08c2dSAviya Erenfeld NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER); 70491b08c2dSAviya Erenfeld 7059c11d8a9SShaul Triebitz if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_PROTECTED_TWT)) 7069c11d8a9SShaul Triebitz wiphy_ext_feature_set(hw->wiphy, 7079c11d8a9SShaul Triebitz NL80211_EXT_FEATURE_PROTECTED_TWT); 7089c11d8a9SShaul Triebitz 709bfcfdb59SEmmanuel Grumbach iwl_mvm_vendor_cmds_register(mvm); 710bfcfdb59SEmmanuel Grumbach 711e8503aecSBen Greear hw->wiphy->available_antennas_tx = iwl_mvm_get_valid_tx_ant(mvm); 712e8503aecSBen Greear hw->wiphy->available_antennas_rx = iwl_mvm_get_valid_rx_ant(mvm); 713e8503aecSBen Greear 714de645e89SJohannes Berg ret = ieee80211_register_hw(mvm->hw); 715de645e89SJohannes Berg if (ret) { 716de645e89SJohannes Berg iwl_mvm_leds_exit(mvm); 717e705c121SKalle Valo } 718e705c121SKalle Valo 719e705c121SKalle Valo return ret; 720e705c121SKalle Valo } 721e705c121SKalle Valo 722df2378abSJohannes Berg static void iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb, 723df2378abSJohannes Berg struct ieee80211_sta *sta) 724df2378abSJohannes Berg { 725df2378abSJohannes Berg if (likely(sta)) { 726df2378abSJohannes Berg if (likely(iwl_mvm_tx_skb_sta(mvm, skb, sta) == 0)) 727df2378abSJohannes Berg return; 728df2378abSJohannes Berg } else { 729df2378abSJohannes Berg if (likely(iwl_mvm_tx_skb_non_sta(mvm, skb) == 0)) 730df2378abSJohannes Berg return; 731df2378abSJohannes Berg } 732df2378abSJohannes Berg 733df2378abSJohannes Berg ieee80211_free_txskb(mvm->hw, skb); 734df2378abSJohannes Berg } 735df2378abSJohannes Berg 736cbce62a3SMiri Korenblit void iwl_mvm_mac_tx(struct ieee80211_hw *hw, 737cbce62a3SMiri Korenblit struct ieee80211_tx_control *control, struct sk_buff *skb) 738e705c121SKalle Valo { 739e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 740e705c121SKalle Valo struct ieee80211_sta *sta = control->sta; 741e705c121SKalle Valo struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 742e705c121SKalle Valo struct ieee80211_hdr *hdr = (void *)skb->data; 743cfbc6c4cSSara Sharon bool offchannel = IEEE80211_SKB_CB(skb)->flags & 744cfbc6c4cSSara Sharon IEEE80211_TX_CTL_TX_OFFCHAN; 74590723da6SShaul Triebitz u32 link_id = u32_get_bits(info->control.flags, 74690723da6SShaul Triebitz IEEE80211_TX_CTRL_MLO_LINK); 74790723da6SShaul Triebitz struct ieee80211_sta *tmp_sta = sta; 748e705c121SKalle Valo 749e705c121SKalle Valo if (iwl_mvm_is_radio_killed(mvm)) { 750e705c121SKalle Valo IWL_DEBUG_DROP(mvm, "Dropping - RF/CT KILL\n"); 751e705c121SKalle Valo goto drop; 752e705c121SKalle Valo } 753e705c121SKalle Valo 754cfbc6c4cSSara Sharon if (offchannel && 755e705c121SKalle Valo !test_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status) && 756e705c121SKalle Valo !test_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status)) 757e705c121SKalle Valo goto drop; 758e705c121SKalle Valo 75910516783SJohannes Berg /* 76010516783SJohannes Berg * bufferable MMPDUs or MMPDUs on STA interfaces come via TXQs 76110516783SJohannes Berg * so we treat the others as broadcast 76210516783SJohannes Berg */ 76310516783SJohannes Berg if (ieee80211_is_mgmt(hdr->frame_control)) 764e705c121SKalle Valo sta = NULL; 765e705c121SKalle Valo 766dc1aca22SAndrei Otcheretianski /* If there is no sta, and it's not offchannel - send through AP */ 767cfbc6c4cSSara Sharon if (!sta && info->control.vif->type == NL80211_IFTYPE_STATION && 768cfbc6c4cSSara Sharon !offchannel) { 769dc1aca22SAndrei Otcheretianski struct iwl_mvm_vif *mvmvif = 770dc1aca22SAndrei Otcheretianski iwl_mvm_vif_from_mac80211(info->control.vif); 771650cadb7SGregory Greenman u8 ap_sta_id = READ_ONCE(mvmvif->deflink.ap_sta_id); 772dc1aca22SAndrei Otcheretianski 773be9ae34eSNathan Errera if (ap_sta_id < mvm->fw->ucode_capa.num_stations) { 774dc1aca22SAndrei Otcheretianski /* mac80211 holds rcu read lock */ 775dc1aca22SAndrei Otcheretianski sta = rcu_dereference(mvm->fw_id_to_mac_id[ap_sta_id]); 776dc1aca22SAndrei Otcheretianski if (IS_ERR_OR_NULL(sta)) 777dc1aca22SAndrei Otcheretianski goto drop; 778dc1aca22SAndrei Otcheretianski } 779dc1aca22SAndrei Otcheretianski } 780dc1aca22SAndrei Otcheretianski 78190723da6SShaul Triebitz if (tmp_sta && !sta && link_id != IEEE80211_LINK_UNSPECIFIED && 78290723da6SShaul Triebitz !ieee80211_is_probe_resp(hdr->frame_control)) { 78390723da6SShaul Triebitz /* translate MLD addresses to LINK addresses */ 78490723da6SShaul Triebitz struct ieee80211_link_sta *link_sta = 78590723da6SShaul Triebitz rcu_dereference(tmp_sta->link[link_id]); 78690723da6SShaul Triebitz struct ieee80211_bss_conf *link_conf = 78790723da6SShaul Triebitz rcu_dereference(info->control.vif->link_conf[link_id]); 78890723da6SShaul Triebitz struct ieee80211_mgmt *mgmt; 78990723da6SShaul Triebitz 79090723da6SShaul Triebitz if (WARN_ON(!link_sta || !link_conf)) 79190723da6SShaul Triebitz goto drop; 79290723da6SShaul Triebitz 79390723da6SShaul Triebitz /* if sta is NULL, the frame is a management frame */ 79490723da6SShaul Triebitz mgmt = (void *)hdr; 79590723da6SShaul Triebitz memcpy(mgmt->da, link_sta->addr, ETH_ALEN); 79690723da6SShaul Triebitz memcpy(mgmt->sa, link_conf->addr, ETH_ALEN); 79790723da6SShaul Triebitz memcpy(mgmt->bssid, link_conf->bssid, ETH_ALEN); 79890723da6SShaul Triebitz } 79990723da6SShaul Triebitz 800df2378abSJohannes Berg iwl_mvm_tx_skb(mvm, skb, sta); 801e705c121SKalle Valo return; 802e705c121SKalle Valo drop: 803e705c121SKalle Valo ieee80211_free_txskb(hw, skb); 804e705c121SKalle Valo } 805e705c121SKalle Valo 806cfbc6c4cSSara Sharon void iwl_mvm_mac_itxq_xmit(struct ieee80211_hw *hw, struct ieee80211_txq *txq) 807e705c121SKalle Valo { 808cfbc6c4cSSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 809cfbc6c4cSSara Sharon struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq); 810cfbc6c4cSSara Sharon struct sk_buff *skb = NULL; 811cfbc6c4cSSara Sharon 812fba8248eSSara Sharon /* 813fba8248eSSara Sharon * No need for threads to be pending here, they can leave the first 814fba8248eSSara Sharon * taker all the work. 815fba8248eSSara Sharon * 816fba8248eSSara Sharon * mvmtxq->tx_request logic: 817fba8248eSSara Sharon * 818fba8248eSSara Sharon * If 0, no one is currently TXing, set to 1 to indicate current thread 819fba8248eSSara Sharon * will now start TX and other threads should quit. 820fba8248eSSara Sharon * 821fba8248eSSara Sharon * If 1, another thread is currently TXing, set to 2 to indicate to 822fba8248eSSara Sharon * that thread that there was another request. Since that request may 823fba8248eSSara Sharon * have raced with the check whether the queue is empty, the TXing 824fba8248eSSara Sharon * thread should check the queue's status one more time before leaving. 825fba8248eSSara Sharon * This check is done in order to not leave any TX hanging in the queue 826fba8248eSSara Sharon * until the next TX invocation (which may not even happen). 827fba8248eSSara Sharon * 828fba8248eSSara Sharon * If 2, another thread is currently TXing, and it will already double 829fba8248eSSara Sharon * check the queue, so do nothing. 830fba8248eSSara Sharon */ 831fba8248eSSara Sharon if (atomic_fetch_add_unless(&mvmtxq->tx_request, 1, 2)) 832fba8248eSSara Sharon return; 833cfbc6c4cSSara Sharon 834cfbc6c4cSSara Sharon rcu_read_lock(); 835fba8248eSSara Sharon do { 836b58e3d43SJohannes Berg while (likely(!test_bit(IWL_MVM_TXQ_STATE_STOP_FULL, 837b58e3d43SJohannes Berg &mvmtxq->state) && 838b58e3d43SJohannes Berg !test_bit(IWL_MVM_TXQ_STATE_STOP_REDIRECT, 839b58e3d43SJohannes Berg &mvmtxq->state) && 84000520b7aSEmmanuel Grumbach !test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status))) { 841cfbc6c4cSSara Sharon skb = ieee80211_tx_dequeue(hw, txq); 842cfbc6c4cSSara Sharon 843f50d693bSSara Sharon if (!skb) { 844f50d693bSSara Sharon if (txq->sta) 845f50d693bSSara Sharon IWL_DEBUG_TX(mvm, 846f50d693bSSara Sharon "TXQ of sta %pM tid %d is now empty\n", 847f50d693bSSara Sharon txq->sta->addr, 848f50d693bSSara Sharon txq->tid); 849cfbc6c4cSSara Sharon break; 850f50d693bSSara Sharon } 851cfbc6c4cSSara Sharon 852cfbc6c4cSSara Sharon iwl_mvm_tx_skb(mvm, skb, txq->sta); 853cfbc6c4cSSara Sharon } 854fba8248eSSara Sharon } while (atomic_dec_return(&mvmtxq->tx_request)); 855cfbc6c4cSSara Sharon rcu_read_unlock(); 856e705c121SKalle Valo } 857e705c121SKalle Valo 858cbce62a3SMiri Korenblit void iwl_mvm_mac_wake_tx_queue(struct ieee80211_hw *hw, 859cfbc6c4cSSara Sharon struct ieee80211_txq *txq) 860e705c121SKalle Valo { 861cfbc6c4cSSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 862cfbc6c4cSSara Sharon struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq); 863e705c121SKalle Valo 864923bf981SJohannes Berg if (likely(test_bit(IWL_MVM_TXQ_STATE_READY, &mvmtxq->state)) || 865923bf981SJohannes Berg !txq->sta) { 866cfbc6c4cSSara Sharon iwl_mvm_mac_itxq_xmit(hw, txq); 867cfbc6c4cSSara Sharon return; 868cfbc6c4cSSara Sharon } 869cfbc6c4cSSara Sharon 870923bf981SJohannes Berg /* iwl_mvm_mac_itxq_xmit() will later be called by the worker 871923bf981SJohannes Berg * to handle any packets we leave on the txq now 872923bf981SJohannes Berg */ 873cfbc6c4cSSara Sharon 874923bf981SJohannes Berg spin_lock_bh(&mvm->add_stream_lock); 875923bf981SJohannes Berg /* The list is being deleted only after the queue is fully allocated. */ 876923bf981SJohannes Berg if (list_empty(&mvmtxq->list) && 877923bf981SJohannes Berg /* recheck under lock */ 878923bf981SJohannes Berg !test_bit(IWL_MVM_TXQ_STATE_READY, &mvmtxq->state)) { 879cfbc6c4cSSara Sharon list_add_tail(&mvmtxq->list, &mvm->add_stream_txqs); 880cfbc6c4cSSara Sharon schedule_work(&mvm->add_stream_wk); 881e705c121SKalle Valo } 882923bf981SJohannes Berg spin_unlock_bh(&mvm->add_stream_lock); 883923bf981SJohannes Berg } 884e705c121SKalle Valo 885e705c121SKalle Valo #define CHECK_BA_TRIGGER(_mvm, _trig, _tid_bm, _tid, _fmt...) \ 886e705c121SKalle Valo do { \ 887e705c121SKalle Valo if (!(le16_to_cpu(_tid_bm) & BIT(_tid))) \ 888e705c121SKalle Valo break; \ 8897174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&(_mvm)->fwrt, _trig, _fmt); \ 890e705c121SKalle Valo } while (0) 891e705c121SKalle Valo 892e705c121SKalle Valo static void 893e705c121SKalle Valo iwl_mvm_ampdu_check_trigger(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 894e705c121SKalle Valo struct ieee80211_sta *sta, u16 tid, u16 rx_ba_ssn, 895e705c121SKalle Valo enum ieee80211_ampdu_mlme_action action) 896e705c121SKalle Valo { 897e705c121SKalle Valo struct iwl_fw_dbg_trigger_tlv *trig; 898e705c121SKalle Valo struct iwl_fw_dbg_trigger_ba *ba_trig; 899e705c121SKalle Valo 9006c042d75SSara Sharon trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 9016c042d75SSara Sharon FW_DBG_TRIGGER_BA); 9026c042d75SSara Sharon if (!trig) 903e705c121SKalle Valo return; 904e705c121SKalle Valo 905e705c121SKalle Valo ba_trig = (void *)trig->data; 906e705c121SKalle Valo 907e705c121SKalle Valo switch (action) { 908e705c121SKalle Valo case IEEE80211_AMPDU_TX_OPERATIONAL: { 909e705c121SKalle Valo struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 910e705c121SKalle Valo struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 911e705c121SKalle Valo 912e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_start, tid, 913e705c121SKalle Valo "TX AGG START: MAC %pM tid %d ssn %d\n", 914e705c121SKalle Valo sta->addr, tid, tid_data->ssn); 915e705c121SKalle Valo break; 916e705c121SKalle Valo } 917e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_CONT: 918e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_stop, tid, 919e705c121SKalle Valo "TX AGG STOP: MAC %pM tid %d\n", 920e705c121SKalle Valo sta->addr, tid); 921e705c121SKalle Valo break; 922e705c121SKalle Valo case IEEE80211_AMPDU_RX_START: 923e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_start, tid, 924e705c121SKalle Valo "RX AGG START: MAC %pM tid %d ssn %d\n", 925e705c121SKalle Valo sta->addr, tid, rx_ba_ssn); 926e705c121SKalle Valo break; 927e705c121SKalle Valo case IEEE80211_AMPDU_RX_STOP: 928e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_stop, tid, 929e705c121SKalle Valo "RX AGG STOP: MAC %pM tid %d\n", 930e705c121SKalle Valo sta->addr, tid); 931e705c121SKalle Valo break; 932e705c121SKalle Valo default: 933e705c121SKalle Valo break; 934e705c121SKalle Valo } 935e705c121SKalle Valo } 936e705c121SKalle Valo 937cbce62a3SMiri Korenblit int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw, 938e705c121SKalle Valo struct ieee80211_vif *vif, 93950ea05efSSara Sharon struct ieee80211_ampdu_params *params) 940e705c121SKalle Valo { 941e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 942e705c121SKalle Valo int ret; 94350ea05efSSara Sharon struct ieee80211_sta *sta = params->sta; 94450ea05efSSara Sharon enum ieee80211_ampdu_mlme_action action = params->action; 94550ea05efSSara Sharon u16 tid = params->tid; 94650ea05efSSara Sharon u16 *ssn = ¶ms->ssn; 947514c3069SLuca Coelho u16 buf_size = params->buf_size; 948bb81bb68SEmmanuel Grumbach bool amsdu = params->amsdu; 94910b2b201SSara Sharon u16 timeout = params->timeout; 950e705c121SKalle Valo 951e705c121SKalle Valo IWL_DEBUG_HT(mvm, "A-MPDU action on addr %pM tid %d: action %d\n", 952e705c121SKalle Valo sta->addr, tid, action); 953e705c121SKalle Valo 954e705c121SKalle Valo if (!(mvm->nvm_data->sku_cap_11n_enable)) 955e705c121SKalle Valo return -EACCES; 956e705c121SKalle Valo 957e705c121SKalle Valo mutex_lock(&mvm->mutex); 958e705c121SKalle Valo 959e705c121SKalle Valo switch (action) { 960e705c121SKalle Valo case IEEE80211_AMPDU_RX_START: 961650cadb7SGregory Greenman if (iwl_mvm_vif_from_mac80211(vif)->deflink.ap_sta_id == 962c8ee33e1SGregory Greenman iwl_mvm_sta_from_mac80211(sta)->deflink.sta_id) { 963b0ffe455SJohannes Berg struct iwl_mvm_vif *mvmvif; 964b0ffe455SJohannes Berg u16 macid = iwl_mvm_vif_from_mac80211(vif)->id; 965b0ffe455SJohannes Berg struct iwl_mvm_tcm_mac *mdata = &mvm->tcm.data[macid]; 966b0ffe455SJohannes Berg 967b0ffe455SJohannes Berg mdata->opened_rx_ba_sessions = true; 968b0ffe455SJohannes Berg mvmvif = iwl_mvm_vif_from_mac80211(vif); 969b0ffe455SJohannes Berg cancel_delayed_work(&mvmvif->uapsd_nonagg_detected_wk); 970b0ffe455SJohannes Berg } 971e78da25eSJohannes Berg if (!iwl_enable_rx_ampdu()) { 972e705c121SKalle Valo ret = -EINVAL; 973e705c121SKalle Valo break; 974e705c121SKalle Valo } 97510b2b201SSara Sharon ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true, buf_size, 97610b2b201SSara Sharon timeout); 977e705c121SKalle Valo break; 978e705c121SKalle Valo case IEEE80211_AMPDU_RX_STOP: 97910b2b201SSara Sharon ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false, buf_size, 98010b2b201SSara Sharon timeout); 981e705c121SKalle Valo break; 982e705c121SKalle Valo case IEEE80211_AMPDU_TX_START: 983e78da25eSJohannes Berg if (!iwl_enable_tx_ampdu()) { 984e705c121SKalle Valo ret = -EINVAL; 985e705c121SKalle Valo break; 986e705c121SKalle Valo } 987e705c121SKalle Valo ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn); 988e705c121SKalle Valo break; 989e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_CONT: 990e705c121SKalle Valo ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid); 991e705c121SKalle Valo break; 992e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_FLUSH: 993e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 994e705c121SKalle Valo ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid); 995e705c121SKalle Valo break; 996e705c121SKalle Valo case IEEE80211_AMPDU_TX_OPERATIONAL: 997bb81bb68SEmmanuel Grumbach ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid, 998bb81bb68SEmmanuel Grumbach buf_size, amsdu); 999e705c121SKalle Valo break; 1000e705c121SKalle Valo default: 1001e705c121SKalle Valo WARN_ON_ONCE(1); 1002e705c121SKalle Valo ret = -EINVAL; 1003e705c121SKalle Valo break; 1004e705c121SKalle Valo } 1005e705c121SKalle Valo 1006e705c121SKalle Valo if (!ret) { 1007e705c121SKalle Valo u16 rx_ba_ssn = 0; 1008e705c121SKalle Valo 1009e705c121SKalle Valo if (action == IEEE80211_AMPDU_RX_START) 1010e705c121SKalle Valo rx_ba_ssn = *ssn; 1011e705c121SKalle Valo 1012e705c121SKalle Valo iwl_mvm_ampdu_check_trigger(mvm, vif, sta, tid, 1013e705c121SKalle Valo rx_ba_ssn, action); 1014e705c121SKalle Valo } 1015e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1016e705c121SKalle Valo 1017e705c121SKalle Valo return ret; 1018e705c121SKalle Valo } 1019e705c121SKalle Valo 1020e705c121SKalle Valo static void iwl_mvm_cleanup_iterator(void *data, u8 *mac, 1021e705c121SKalle Valo struct ieee80211_vif *vif) 1022e705c121SKalle Valo { 1023e705c121SKalle Valo struct iwl_mvm *mvm = data; 1024e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1025bf976c81SJohannes Berg struct iwl_probe_resp_data *probe_data; 102679faae3aSGregory Greenman unsigned int link_id; 1027e705c121SKalle Valo 1028e705c121SKalle Valo mvmvif->uploaded = false; 1029e705c121SKalle Valo 1030e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 1031e705c121SKalle Valo iwl_mvm_te_clear_data(mvm, &mvmvif->time_event_data); 1032e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 1033e705c121SKalle Valo 1034e705c121SKalle Valo memset(&mvmvif->bf_data, 0, sizeof(mvmvif->bf_data)); 103579faae3aSGregory Greenman 103679faae3aSGregory Greenman for_each_mvm_vif_valid_link(mvmvif, link_id) { 103779faae3aSGregory Greenman mvmvif->link[link_id]->ap_sta_id = IWL_MVM_INVALID_STA; 103879faae3aSGregory Greenman mvmvif->link[link_id]->fw_link_id = IWL_MVM_FW_LINK_ID_INVALID; 103979faae3aSGregory Greenman mvmvif->link[link_id]->phy_ctxt = NULL; 1040bf976c81SJohannes Berg mvmvif->link[link_id]->active = 0; 104179faae3aSGregory Greenman } 1042bf976c81SJohannes Berg 1043bf976c81SJohannes Berg probe_data = rcu_dereference_protected(mvmvif->deflink.probe_resp_data, 1044bf976c81SJohannes Berg lockdep_is_held(&mvm->mutex)); 1045bf976c81SJohannes Berg if (probe_data) 1046bf976c81SJohannes Berg kfree_rcu(probe_data, rcu_head); 1047bf976c81SJohannes Berg RCU_INIT_POINTER(mvmvif->deflink.probe_resp_data, NULL); 1048e705c121SKalle Valo } 1049e705c121SKalle Valo 1050e705c121SKalle Valo static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm) 1051e705c121SKalle Valo { 1052fcb6b92aSChaya Rachel Ivgi iwl_mvm_stop_device(mvm); 1053e705c121SKalle Valo 10549bf13beeSJohannes Berg mvm->cur_aid = 0; 10559bf13beeSJohannes Berg 1056e705c121SKalle Valo mvm->scan_status = 0; 1057e705c121SKalle Valo mvm->ps_disabled = false; 1058b3500b47SEmmanuel Grumbach mvm->rfkill_safe_init_done = false; 1059e705c121SKalle Valo 1060e705c121SKalle Valo /* just in case one was running */ 1061305d236eSEliad Peller iwl_mvm_cleanup_roc_te(mvm); 1062e705c121SKalle Valo ieee80211_remain_on_channel_expired(mvm->hw); 1063e705c121SKalle Valo 1064fc36ffdaSJohannes Berg iwl_mvm_ftm_restart(mvm); 1065fc36ffdaSJohannes Berg 1066e705c121SKalle Valo /* 1067e705c121SKalle Valo * cleanup all interfaces, even inactive ones, as some might have 1068e705c121SKalle Valo * gone down during the HW restart 1069e705c121SKalle Valo */ 1070e705c121SKalle Valo ieee80211_iterate_interfaces(mvm->hw, 0, iwl_mvm_cleanup_iterator, mvm); 1071e705c121SKalle Valo 1072e705c121SKalle Valo mvm->p2p_device_vif = NULL; 1073e705c121SKalle Valo 1074e705c121SKalle Valo iwl_mvm_reset_phy_ctxts(mvm); 10759c3deeb5SLuca Coelho memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table)); 1076e705c121SKalle Valo memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif)); 1077e705c121SKalle Valo memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd)); 1078e705c121SKalle Valo 1079e705c121SKalle Valo ieee80211_wake_queues(mvm->hw); 1080e705c121SKalle Valo 1081e705c121SKalle Valo mvm->rx_ba_sessions = 0; 10827174beb6SJohannes Berg mvm->fwrt.dump.conf = FW_DBG_INVALID; 1083baf41bc3SShaul Triebitz mvm->monitor_on = false; 1084fb40cd9dSMiri Korenblit #ifdef CONFIG_IWLWIFI_DEBUGFS 1085fb40cd9dSMiri Korenblit mvm->beacon_inject_active = false; 1086fb40cd9dSMiri Korenblit #endif 1087e705c121SKalle Valo 1088e705c121SKalle Valo /* keep statistics ticking */ 1089e705c121SKalle Valo iwl_mvm_accu_radio_stats(mvm); 1090e705c121SKalle Valo } 1091e705c121SKalle Valo 1092e705c121SKalle Valo int __iwl_mvm_mac_start(struct iwl_mvm *mvm) 1093e705c121SKalle Valo { 1094e705c121SKalle Valo int ret; 1095e705c121SKalle Valo 1096e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1097e705c121SKalle Valo 10986d19a5ebSEmmanuel Grumbach ret = iwl_mvm_mei_get_ownership(mvm); 10996d19a5ebSEmmanuel Grumbach if (ret) 11006d19a5ebSEmmanuel Grumbach return ret; 11016d19a5ebSEmmanuel Grumbach 11026d19a5ebSEmmanuel Grumbach if (mvm->mei_nvm_data) { 11036d19a5ebSEmmanuel Grumbach /* We got the NIC, we can now free the MEI NVM data */ 11046d19a5ebSEmmanuel Grumbach kfree(mvm->mei_nvm_data); 11056d19a5ebSEmmanuel Grumbach mvm->mei_nvm_data = NULL; 11066d19a5ebSEmmanuel Grumbach 11076d19a5ebSEmmanuel Grumbach /* 11086d19a5ebSEmmanuel Grumbach * We can't free the nvm_data we allocated based on the SAP 11096d19a5ebSEmmanuel Grumbach * data because we registered to cfg80211 with the channels 11106d19a5ebSEmmanuel Grumbach * allocated on mvm->nvm_data. Keep a pointer in temp_nvm_data 11116d19a5ebSEmmanuel Grumbach * just in order to be able free it later. 11126d19a5ebSEmmanuel Grumbach * NULLify nvm_data so that we will read the NVM from the 11136d19a5ebSEmmanuel Grumbach * firmware this time. 11146d19a5ebSEmmanuel Grumbach */ 11156d19a5ebSEmmanuel Grumbach mvm->temp_nvm_data = mvm->nvm_data; 11166d19a5ebSEmmanuel Grumbach mvm->nvm_data = NULL; 11176d19a5ebSEmmanuel Grumbach } 11186d19a5ebSEmmanuel Grumbach 1119bf8b286fSJohannes Berg if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status)) { 1120bf8b286fSJohannes Berg /* 1121bf8b286fSJohannes Berg * Now convert the HW_RESTART_REQUESTED flag to IN_HW_RESTART 1122bf8b286fSJohannes Berg * so later code will - from now on - see that we're doing it. 1123bf8b286fSJohannes Berg */ 1124bf8b286fSJohannes Berg set_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1125bf8b286fSJohannes Berg clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status); 1126e705c121SKalle Valo /* Clean up some internal and mac80211 state on restart */ 1127e705c121SKalle Valo iwl_mvm_restart_cleanup(mvm); 1128a42b2af3SLuca Coelho } 1129e705c121SKalle Valo ret = iwl_mvm_up(mvm); 1130e705c121SKalle Valo 1131b108d8c7SShahar S Matityahu iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_POST_INIT, 1132b108d8c7SShahar S Matityahu NULL); 1133b108d8c7SShahar S Matityahu iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_PERIODIC, 1134b108d8c7SShahar S Matityahu NULL); 1135da2eb669SSara Sharon 1136e8fe3b41SIlan Peer mvm->last_reset_or_resume_time_jiffies = jiffies; 1137e8fe3b41SIlan Peer 1138e705c121SKalle Valo if (ret && test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 1139e705c121SKalle Valo /* Something went wrong - we need to finish some cleanup 1140e705c121SKalle Valo * that normally iwl_mvm_mac_restart_complete() below 1141e705c121SKalle Valo * would do. 1142e705c121SKalle Valo */ 1143e705c121SKalle Valo clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1144e705c121SKalle Valo } 1145e705c121SKalle Valo 1146e705c121SKalle Valo return ret; 1147e705c121SKalle Valo } 1148e705c121SKalle Valo 1149cbce62a3SMiri Korenblit int iwl_mvm_mac_start(struct ieee80211_hw *hw) 1150e705c121SKalle Valo { 1151e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1152e705c121SKalle Valo int ret; 11535283dd67SMordechay Goodstein int retry, max_retry = 0; 1154e705c121SKalle Valo 1155e705c121SKalle Valo mutex_lock(&mvm->mutex); 11565283dd67SMordechay Goodstein 11575283dd67SMordechay Goodstein /* we are starting the mac not in error flow, and restart is enabled */ 11585283dd67SMordechay Goodstein if (!test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status) && 11595283dd67SMordechay Goodstein iwlwifi_mod_params.fw_restart) { 11605283dd67SMordechay Goodstein max_retry = IWL_MAX_INIT_RETRY; 11615283dd67SMordechay Goodstein /* 11625283dd67SMordechay Goodstein * This will prevent mac80211 recovery flows to trigger during 11635283dd67SMordechay Goodstein * init failures 11645283dd67SMordechay Goodstein */ 11655283dd67SMordechay Goodstein set_bit(IWL_MVM_STATUS_STARTING, &mvm->status); 11665283dd67SMordechay Goodstein } 11675283dd67SMordechay Goodstein 11685283dd67SMordechay Goodstein for (retry = 0; retry <= max_retry; retry++) { 1169e705c121SKalle Valo ret = __iwl_mvm_mac_start(mvm); 11705283dd67SMordechay Goodstein if (!ret) 11715283dd67SMordechay Goodstein break; 11725283dd67SMordechay Goodstein 1173b8133439SAvraham Stern /* 1174b8133439SAvraham Stern * In PLDR sync PCI re-enumeration is needed. no point to retry 1175b8133439SAvraham Stern * mac start before that. 1176b8133439SAvraham Stern */ 1177b8133439SAvraham Stern if (mvm->pldr_sync) { 1178b8133439SAvraham Stern iwl_mei_alive_notif(false); 1179b8133439SAvraham Stern iwl_trans_pcie_remove(mvm->trans, true); 1180b8133439SAvraham Stern break; 1181b8133439SAvraham Stern } 1182b8133439SAvraham Stern 11835283dd67SMordechay Goodstein IWL_ERR(mvm, "mac start retry %d\n", retry); 11845283dd67SMordechay Goodstein } 11855283dd67SMordechay Goodstein clear_bit(IWL_MVM_STATUS_STARTING, &mvm->status); 11865283dd67SMordechay Goodstein 1187e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1188e705c121SKalle Valo 11897ce1f215SEmmanuel Grumbach iwl_mvm_mei_set_sw_rfkill_state(mvm); 11907ce1f215SEmmanuel Grumbach 1191e705c121SKalle Valo return ret; 1192e705c121SKalle Valo } 1193e705c121SKalle Valo 1194e705c121SKalle Valo static void iwl_mvm_restart_complete(struct iwl_mvm *mvm) 1195e705c121SKalle Valo { 1196e705c121SKalle Valo int ret; 1197e705c121SKalle Valo 1198e705c121SKalle Valo mutex_lock(&mvm->mutex); 1199e705c121SKalle Valo 1200e705c121SKalle Valo clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 12014d4183c4SEmmanuel Grumbach 1202e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, true, NULL); 1203e705c121SKalle Valo if (ret) 1204e705c121SKalle Valo IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n", 1205e705c121SKalle Valo ret); 1206e705c121SKalle Valo 1207f130bb75SMordechay Goodstein iwl_mvm_send_recovery_cmd(mvm, ERROR_RECOVERY_END_OF_RECOVERY); 1208f130bb75SMordechay Goodstein 1209e705c121SKalle Valo /* 1210e705c121SKalle Valo * If we have TDLS peers, remove them. We don't know the last seqno/PN 1211e705c121SKalle Valo * of packets the FW sent out, so we must reconnect. 1212e705c121SKalle Valo */ 1213e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 1214e705c121SKalle Valo 1215e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1216e705c121SKalle Valo } 1217e705c121SKalle Valo 1218cbce62a3SMiri Korenblit void iwl_mvm_mac_reconfig_complete(struct ieee80211_hw *hw, 1219e705c121SKalle Valo enum ieee80211_reconfig_type reconfig_type) 1220e705c121SKalle Valo { 1221e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1222e705c121SKalle Valo 1223e705c121SKalle Valo switch (reconfig_type) { 1224e705c121SKalle Valo case IEEE80211_RECONFIG_TYPE_RESTART: 1225e705c121SKalle Valo iwl_mvm_restart_complete(mvm); 1226e705c121SKalle Valo break; 1227e705c121SKalle Valo case IEEE80211_RECONFIG_TYPE_SUSPEND: 1228e705c121SKalle Valo break; 1229e705c121SKalle Valo } 1230e705c121SKalle Valo } 1231e705c121SKalle Valo 1232e705c121SKalle Valo void __iwl_mvm_mac_stop(struct iwl_mvm *mvm) 1233e705c121SKalle Valo { 1234e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1235e705c121SKalle Valo 1236b68bd2e3SIlan Peer iwl_mvm_ftm_initiator_smooth_stop(mvm); 1237b68bd2e3SIlan Peer 1238e705c121SKalle Valo /* firmware counters are obviously reset now, but we shouldn't 1239e705c121SKalle Valo * partially track so also clear the fw_reset_accu counters. 1240e705c121SKalle Valo */ 1241e705c121SKalle Valo memset(&mvm->accu_radio_stats, 0, sizeof(mvm->accu_radio_stats)); 1242e705c121SKalle Valo 1243e705c121SKalle Valo /* async_handlers_wk is now blocked */ 1244e705c121SKalle Valo 1245971cbe50SJohannes Berg if (iwl_fw_lookup_cmd_ver(mvm->fw, ADD_STA, 0) < 12) 1246f327236dSSharon iwl_mvm_rm_aux_sta(mvm); 1247f327236dSSharon 1248fcb6b92aSChaya Rachel Ivgi iwl_mvm_stop_device(mvm); 1249e705c121SKalle Valo 1250e705c121SKalle Valo iwl_mvm_async_handlers_purge(mvm); 1251e705c121SKalle Valo /* async_handlers_list is empty and will stay empty: HW is stopped */ 1252e705c121SKalle Valo 1253e705c121SKalle Valo /* 1254155f7e04SEmmanuel Grumbach * Clear IN_HW_RESTART and HW_RESTART_REQUESTED flag when stopping the 1255155f7e04SEmmanuel Grumbach * hw (as restart_complete() won't be called in this case) and mac80211 1256155f7e04SEmmanuel Grumbach * won't execute the restart. 1257e705c121SKalle Valo * But make sure to cleanup interfaces that have gone down before/during 1258e705c121SKalle Valo * HW restart was requested. 1259e705c121SKalle Valo */ 1260155f7e04SEmmanuel Grumbach if (test_and_clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) || 1261155f7e04SEmmanuel Grumbach test_and_clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 1262155f7e04SEmmanuel Grumbach &mvm->status)) 1263e705c121SKalle Valo ieee80211_iterate_interfaces(mvm->hw, 0, 1264e705c121SKalle Valo iwl_mvm_cleanup_iterator, mvm); 1265e705c121SKalle Valo 1266e705c121SKalle Valo /* We shouldn't have any UIDs still set. Loop over all the UIDs to 1267e705c121SKalle Valo * make sure there's nothing left there and warn if any is found. 1268e705c121SKalle Valo */ 1269e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { 1270e705c121SKalle Valo int i; 1271e705c121SKalle Valo 1272e705c121SKalle Valo for (i = 0; i < mvm->max_scans; i++) { 1273e705c121SKalle Valo if (WARN_ONCE(mvm->scan_uid_status[i], 1274e705c121SKalle Valo "UMAC scan UID %d status was not cleaned\n", 1275e705c121SKalle Valo i)) 1276e705c121SKalle Valo mvm->scan_uid_status[i] = 0; 1277e705c121SKalle Valo } 1278e705c121SKalle Valo } 1279e705c121SKalle Valo } 1280e705c121SKalle Valo 1281cbce62a3SMiri Korenblit void iwl_mvm_mac_stop(struct ieee80211_hw *hw) 1282e705c121SKalle Valo { 1283e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1284e705c121SKalle Valo 1285e705c121SKalle Valo flush_work(&mvm->async_handlers_wk); 128624afba76SLiad Kaufman flush_work(&mvm->add_stream_wk); 1287771147b0SJohannes Berg 1288771147b0SJohannes Berg /* 1289771147b0SJohannes Berg * Lock and clear the firmware running bit here already, so that 1290771147b0SJohannes Berg * new commands coming in elsewhere, e.g. from debugfs, will not 1291771147b0SJohannes Berg * be able to proceed. This is important here because one of those 12927174beb6SJohannes Berg * debugfs files causes the firmware dump to be triggered, and if we 1293771147b0SJohannes Berg * don't stop debugfs accesses before canceling that it could be 1294771147b0SJohannes Berg * retriggered after we flush it but before we've cleared the bit. 1295771147b0SJohannes Berg */ 1296771147b0SJohannes Berg clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1297771147b0SJohannes Berg 1298d3a108a4SAndrei Otcheretianski cancel_delayed_work_sync(&mvm->cs_tx_unblock_dwork); 129969e04642SLuca Coelho cancel_delayed_work_sync(&mvm->scan_timeout_dwork); 1300e705c121SKalle Valo 1301f9084775SNathan Errera /* 1302f9084775SNathan Errera * The work item could be running or queued if the 1303f9084775SNathan Errera * ROC time event stops just as we get here. 1304f9084775SNathan Errera */ 1305f9084775SNathan Errera flush_work(&mvm->roc_done_wk); 1306f9084775SNathan Errera 13077ce1f215SEmmanuel Grumbach iwl_mvm_mei_set_sw_rfkill_state(mvm); 13087ce1f215SEmmanuel Grumbach 1309e705c121SKalle Valo mutex_lock(&mvm->mutex); 1310e705c121SKalle Valo __iwl_mvm_mac_stop(mvm); 1311e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1312e705c121SKalle Valo 1313e705c121SKalle Valo /* 1314e705c121SKalle Valo * The worker might have been waiting for the mutex, let it run and 1315e705c121SKalle Valo * discover that its list is now empty. 1316e705c121SKalle Valo */ 1317e705c121SKalle Valo cancel_work_sync(&mvm->async_handlers_wk); 1318e705c121SKalle Valo } 1319e705c121SKalle Valo 13201ab26632SMiri Korenblit struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm) 1321e705c121SKalle Valo { 1322e705c121SKalle Valo u16 i; 1323e705c121SKalle Valo 1324e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1325e705c121SKalle Valo 1326e705c121SKalle Valo for (i = 0; i < NUM_PHY_CTX; i++) 1327e705c121SKalle Valo if (!mvm->phy_ctxts[i].ref) 1328e705c121SKalle Valo return &mvm->phy_ctxts[i]; 1329e705c121SKalle Valo 1330e705c121SKalle Valo IWL_ERR(mvm, "No available PHY context\n"); 1331e705c121SKalle Valo return NULL; 1332e705c121SKalle Valo } 1333e705c121SKalle Valo 1334f551d013SGregory Greenman int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1335e705c121SKalle Valo s16 tx_power) 1336e705c121SKalle Valo { 1337971cbe50SJohannes Berg u32 cmd_id = REDUCE_TX_POWER_CMD; 13380791c2fcSHaim Dreyfuss int len; 1339216cdfb5SLuca Coelho struct iwl_dev_tx_power_cmd cmd = { 1340216cdfb5SLuca Coelho .common.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_MAC), 1341216cdfb5SLuca Coelho .common.mac_context_id = 1342e705c121SKalle Valo cpu_to_le32(iwl_mvm_vif_from_mac80211(vif)->id), 1343216cdfb5SLuca Coelho .common.pwr_restriction = cpu_to_le16(8 * tx_power), 1344e705c121SKalle Valo }; 1345971cbe50SJohannes Berg u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, 1346e80bfd11SMordechay Goodstein IWL_FW_CMD_VER_UNKNOWN); 1347e705c121SKalle Valo 1348e705c121SKalle Valo if (tx_power == IWL_DEFAULT_MAX_TX_POWER) 1349216cdfb5SLuca Coelho cmd.common.pwr_restriction = cpu_to_le16(IWL_DEV_MAX_TX_POWER); 1350e705c121SKalle Valo 1351b0aa02b3SAyala Barazani if (cmd_ver == 7) 1352b0aa02b3SAyala Barazani len = sizeof(cmd.v7); 1353b0aa02b3SAyala Barazani else if (cmd_ver == 6) 1354fbb7957dSLuca Coelho len = sizeof(cmd.v6); 1355fbb7957dSLuca Coelho else if (fw_has_api(&mvm->fw->ucode_capa, 13560791c2fcSHaim Dreyfuss IWL_UCODE_TLV_API_REDUCE_TX_POWER)) 13570791c2fcSHaim Dreyfuss len = sizeof(cmd.v5); 13580791c2fcSHaim Dreyfuss else if (fw_has_capa(&mvm->fw->ucode_capa, 13590791c2fcSHaim Dreyfuss IWL_UCODE_TLV_CAPA_TX_POWER_ACK)) 13600791c2fcSHaim Dreyfuss len = sizeof(cmd.v4); 13610791c2fcSHaim Dreyfuss else 1362216cdfb5SLuca Coelho len = sizeof(cmd.v3); 1363216cdfb5SLuca Coelho 1364216cdfb5SLuca Coelho /* all structs have the same common part, add it */ 1365216cdfb5SLuca Coelho len += sizeof(cmd.common); 1366e705c121SKalle Valo 1367971cbe50SJohannes Berg return iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, len, &cmd); 1368e705c121SKalle Valo } 1369e705c121SKalle Valo 137003117f30SMiri Korenblit int iwl_mvm_post_channel_switch(struct ieee80211_hw *hw, 1371f6780614SSara Sharon struct ieee80211_vif *vif) 1372f6780614SSara Sharon { 1373f6780614SSara Sharon struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1374f6780614SSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1375f6780614SSara Sharon int ret; 1376f6780614SSara Sharon 1377f6780614SSara Sharon mutex_lock(&mvm->mutex); 1378f6780614SSara Sharon 1379f6780614SSara Sharon if (vif->type == NL80211_IFTYPE_STATION) { 1380f6780614SSara Sharon struct iwl_mvm_sta *mvmsta; 1381f6780614SSara Sharon 1382f6780614SSara Sharon mvmvif->csa_bcn_pending = false; 1383f6780614SSara Sharon mvmsta = iwl_mvm_sta_from_staid_protected(mvm, 1384650cadb7SGregory Greenman mvmvif->deflink.ap_sta_id); 1385f6780614SSara Sharon 1386f6780614SSara Sharon if (WARN_ON(!mvmsta)) { 1387f6780614SSara Sharon ret = -EIO; 1388f6780614SSara Sharon goto out_unlock; 1389f6780614SSara Sharon } 1390f6780614SSara Sharon 1391f6780614SSara Sharon iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false); 139203117f30SMiri Korenblit if (mvm->mld_api_is_used) 139303117f30SMiri Korenblit iwl_mvm_mld_mac_ctxt_changed(mvm, vif, false); 139403117f30SMiri Korenblit else 1395f6780614SSara Sharon iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 1396f6780614SSara Sharon 13970202bcf0SEmmanuel Grumbach if (!fw_has_capa(&mvm->fw->ucode_capa, 13980202bcf0SEmmanuel Grumbach IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 1399f6780614SSara Sharon ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0); 1400f6780614SSara Sharon if (ret) 1401f6780614SSara Sharon goto out_unlock; 1402f6780614SSara Sharon 1403f6780614SSara Sharon iwl_mvm_stop_session_protection(mvm, vif); 1404f6780614SSara Sharon } 14050202bcf0SEmmanuel Grumbach } 1406f6780614SSara Sharon 1407f6780614SSara Sharon mvmvif->ps_disabled = false; 1408f6780614SSara Sharon 1409f6780614SSara Sharon ret = iwl_mvm_power_update_ps(mvm); 1410f6780614SSara Sharon 1411f6780614SSara Sharon out_unlock: 1412caf46377SSara Sharon if (mvmvif->csa_failed) 1413caf46377SSara Sharon ret = -EIO; 1414f6780614SSara Sharon mutex_unlock(&mvm->mutex); 1415f6780614SSara Sharon 1416f6780614SSara Sharon return ret; 1417f6780614SSara Sharon } 1418f6780614SSara Sharon 1419cbce62a3SMiri Korenblit void iwl_mvm_abort_channel_switch(struct ieee80211_hw *hw, 1420f6780614SSara Sharon struct ieee80211_vif *vif) 1421f6780614SSara Sharon { 1422f6780614SSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1423f6780614SSara Sharon struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1424f6780614SSara Sharon struct iwl_chan_switch_te_cmd cmd = { 1425f6780614SSara Sharon .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 1426f6780614SSara Sharon mvmvif->color)), 1427f6780614SSara Sharon .action = cpu_to_le32(FW_CTXT_ACTION_REMOVE), 1428f6780614SSara Sharon }; 1429f6780614SSara Sharon 1430ad12b231SNathan Errera /* 1431ad12b231SNathan Errera * In the new flow since FW is in charge of the timing, 1432ad12b231SNathan Errera * if driver has canceled the channel switch he will receive the 1433ad12b231SNathan Errera * CHANNEL_SWITCH_START_NOTIF notification from FW and then cancel it 1434ad12b231SNathan Errera */ 1435ad12b231SNathan Errera if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP, 1436ad12b231SNathan Errera CHANNEL_SWITCH_ERROR_NOTIF, 0)) 1437ad12b231SNathan Errera return; 1438ad12b231SNathan Errera 1439f6780614SSara Sharon IWL_DEBUG_MAC80211(mvm, "Abort CSA on mac %d\n", mvmvif->id); 1440f6780614SSara Sharon 1441f6780614SSara Sharon mutex_lock(&mvm->mutex); 144258ddd9b6SEmmanuel Grumbach if (!fw_has_capa(&mvm->fw->ucode_capa, 144358ddd9b6SEmmanuel Grumbach IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) 144458ddd9b6SEmmanuel Grumbach iwl_mvm_remove_csa_period(mvm, vif); 144558ddd9b6SEmmanuel Grumbach else 1446f6780614SSara Sharon WARN_ON(iwl_mvm_send_cmd_pdu(mvm, 1447f6780614SSara Sharon WIDE_ID(MAC_CONF_GROUP, 1448f6780614SSara Sharon CHANNEL_SWITCH_TIME_EVENT_CMD), 1449f6780614SSara Sharon 0, sizeof(cmd), &cmd)); 1450caf46377SSara Sharon mvmvif->csa_failed = true; 1451f6780614SSara Sharon mutex_unlock(&mvm->mutex); 1452f6780614SSara Sharon 1453caf46377SSara Sharon iwl_mvm_post_channel_switch(hw, vif); 1454f6780614SSara Sharon } 1455f6780614SSara Sharon 14561ab26632SMiri Korenblit void iwl_mvm_channel_switch_disconnect_wk(struct work_struct *wk) 1457f6780614SSara Sharon { 1458f6780614SSara Sharon struct iwl_mvm_vif *mvmvif; 1459f6780614SSara Sharon struct ieee80211_vif *vif; 1460f6780614SSara Sharon 1461f6780614SSara Sharon mvmvif = container_of(wk, struct iwl_mvm_vif, csa_work.work); 1462f6780614SSara Sharon vif = container_of((void *)mvmvif, struct ieee80211_vif, drv_priv); 1463f6780614SSara Sharon 146470162580SShaul Triebitz /* Trigger disconnect (should clear the CSA state) */ 1465f6780614SSara Sharon ieee80211_chswitch_done(vif, false); 1466f6780614SSara Sharon } 1467f6780614SSara Sharon 14685abf3154SMordechay Goodstein static u8 14695abf3154SMordechay Goodstein iwl_mvm_chandef_get_primary_80(struct cfg80211_chan_def *chandef) 14705abf3154SMordechay Goodstein { 14715abf3154SMordechay Goodstein int data_start; 14725abf3154SMordechay Goodstein int control_start; 14735abf3154SMordechay Goodstein int bw; 14745abf3154SMordechay Goodstein 14755abf3154SMordechay Goodstein if (chandef->width == NL80211_CHAN_WIDTH_320) 14765abf3154SMordechay Goodstein bw = 320; 14775abf3154SMordechay Goodstein else if (chandef->width == NL80211_CHAN_WIDTH_160) 14785abf3154SMordechay Goodstein bw = 160; 14795abf3154SMordechay Goodstein else 14805abf3154SMordechay Goodstein return 0; 14815abf3154SMordechay Goodstein 14825abf3154SMordechay Goodstein /* data is bw wide so the start is half the width */ 14835abf3154SMordechay Goodstein data_start = chandef->center_freq1 - bw / 2; 14845abf3154SMordechay Goodstein /* control is 20Mhz width */ 14855abf3154SMordechay Goodstein control_start = chandef->chan->center_freq - 10; 14865abf3154SMordechay Goodstein 14875abf3154SMordechay Goodstein return (control_start - data_start) / 80; 14885abf3154SMordechay Goodstein } 14895abf3154SMordechay Goodstein 14901be4858eSJohannes Berg static int iwl_mvm_alloc_bcast_mcast_sta(struct iwl_mvm *mvm, 14911be4858eSJohannes Berg struct ieee80211_vif *vif) 1492e705c121SKalle Valo { 1493e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 14941be4858eSJohannes Berg int ret; 14951ab26632SMiri Korenblit 14961ab26632SMiri Korenblit lockdep_assert_held(&mvm->mutex); 1497e705c121SKalle Valo 14981be4858eSJohannes Berg ret = iwl_mvm_alloc_bcast_sta(mvm, vif); 14991be4858eSJohannes Berg if (ret) { 15001be4858eSJohannes Berg IWL_ERR(mvm, "Failed to allocate bcast sta\n"); 15011be4858eSJohannes Berg return ret; 15021be4858eSJohannes Berg } 15031be4858eSJohannes Berg 15041be4858eSJohannes Berg /* Only queue for this station is the mcast queue, 15051be4858eSJohannes Berg * which shouldn't be in TFD mask anyway 15061be4858eSJohannes Berg */ 15071be4858eSJohannes Berg return iwl_mvm_allocate_int_sta(mvm, &mvmvif->deflink.mcast_sta, 0, 15081be4858eSJohannes Berg vif->type, 15091be4858eSJohannes Berg IWL_STA_MULTICAST); 15101be4858eSJohannes Berg } 15111be4858eSJohannes Berg 15121be4858eSJohannes Berg static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, 15131be4858eSJohannes Berg struct ieee80211_vif *vif) 15141be4858eSJohannes Berg { 15151be4858eSJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 15161be4858eSJohannes Berg struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 15171be4858eSJohannes Berg int ret; 15181be4858eSJohannes Berg 15191be4858eSJohannes Berg mutex_lock(&mvm->mutex); 15201be4858eSJohannes Berg 1521e705c121SKalle Valo mvmvif->mvm = mvm; 1522650cadb7SGregory Greenman 1523650cadb7SGregory Greenman /* the first link always points to the default one */ 1524650cadb7SGregory Greenman mvmvif->link[0] = &mvmvif->deflink; 1525e705c121SKalle Valo 1526e705c121SKalle Valo /* 1527e705c121SKalle Valo * Not much to do here. The stack will not allow interface 1528e705c121SKalle Valo * types or combinations that we didn't advertise, so we 1529e705c121SKalle Valo * don't really have to check the types. 1530e705c121SKalle Valo */ 1531e705c121SKalle Valo 1532e705c121SKalle Valo /* make sure that beacon statistics don't go backwards with FW reset */ 1533e705c121SKalle Valo if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1534650cadb7SGregory Greenman mvmvif->deflink.beacon_stats.accu_num_beacons += 1535650cadb7SGregory Greenman mvmvif->deflink.beacon_stats.num_beacons; 1536e705c121SKalle Valo 1537e705c121SKalle Valo /* Allocate resources for the MAC context, and add it to the fw */ 15381be4858eSJohannes Berg ret = iwl_mvm_mac_ctxt_init(mvm, vif); 15391be4858eSJohannes Berg if (ret) 15401be4858eSJohannes Berg goto out; 1541e705c121SKalle Valo 1542698478c4SSara Sharon rcu_assign_pointer(mvm->vif_id_to_mac[mvmvif->id], vif); 1543698478c4SSara Sharon 15441be4858eSJohannes Berg /* Currently not much to do for NAN */ 15451be4858eSJohannes Berg if (vif->type == NL80211_IFTYPE_NAN) { 15461be4858eSJohannes Berg ret = 0; 15471be4858eSJohannes Berg goto out; 15481be4858eSJohannes Berg } 15491be4858eSJohannes Berg 1550e705c121SKalle Valo /* 1551e705c121SKalle Valo * The AP binding flow can be done only after the beacon 1552e705c121SKalle Valo * template is configured (which happens only in the mac80211 1553e705c121SKalle Valo * start_ap() flow), and adding the broadcast station can happen 1554e705c121SKalle Valo * only after the binding. 1555e705c121SKalle Valo * In addition, since modifying the MAC before adding a bcast 1556e705c121SKalle Valo * station is not allowed by the FW, delay the adding of MAC context to 1557e705c121SKalle Valo * the point where we can also add the bcast station. 1558e705c121SKalle Valo * In short: there's not much we can do at this point, other than 1559e705c121SKalle Valo * allocating resources :) 1560e705c121SKalle Valo */ 1561e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP || 1562e705c121SKalle Valo vif->type == NL80211_IFTYPE_ADHOC) { 15631ab26632SMiri Korenblit iwl_mvm_vif_dbgfs_register(mvm, vif); 15641be4858eSJohannes Berg ret = 0; 15651be4858eSJohannes Berg goto out; 15661ab26632SMiri Korenblit } 15671ab26632SMiri Korenblit 15681ab26632SMiri Korenblit mvmvif->features |= hw->netdev_features; 1569650cadb7SGregory Greenman 1570e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_add(mvm, vif); 1571e705c121SKalle Valo if (ret) 157298c0de7bSMiri Korenblit goto out_unlock; 1573e705c121SKalle Valo 1574e705c121SKalle Valo ret = iwl_mvm_power_update_mac(mvm); 1575e705c121SKalle Valo if (ret) 1576e705c121SKalle Valo goto out_remove_mac; 1577e705c121SKalle Valo 1578e705c121SKalle Valo /* beacon filtering */ 1579e705c121SKalle Valo ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); 1580e705c121SKalle Valo if (ret) 1581e705c121SKalle Valo goto out_remove_mac; 1582e705c121SKalle Valo 1583e705c121SKalle Valo if (!mvm->bf_allowed_vif && 1584e705c121SKalle Valo vif->type == NL80211_IFTYPE_STATION && !vif->p2p) { 1585e705c121SKalle Valo mvm->bf_allowed_vif = mvmvif; 1586e705c121SKalle Valo vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | 1587e705c121SKalle Valo IEEE80211_VIF_SUPPORTS_CQM_RSSI; 1588e705c121SKalle Valo } 1589e705c121SKalle Valo 1590e705c121SKalle Valo /* 1591e705c121SKalle Valo * P2P_DEVICE interface does not have a channel context assigned to it, 1592e705c121SKalle Valo * so a dedicated PHY context is allocated to it and the corresponding 1593e705c121SKalle Valo * MAC context is bound to it at this stage. 1594e705c121SKalle Valo */ 1595e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1596e705c121SKalle Valo 1597650cadb7SGregory Greenman mvmvif->deflink.phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 1598650cadb7SGregory Greenman if (!mvmvif->deflink.phy_ctxt) { 1599e705c121SKalle Valo ret = -ENOSPC; 1600e705c121SKalle Valo goto out_free_bf; 1601e705c121SKalle Valo } 1602e705c121SKalle Valo 1603650cadb7SGregory Greenman iwl_mvm_phy_ctxt_ref(mvm, mvmvif->deflink.phy_ctxt); 1604e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 1605e705c121SKalle Valo if (ret) 1606e705c121SKalle Valo goto out_unref_phy; 1607e705c121SKalle Valo 1608d197358bSLuca Coelho ret = iwl_mvm_add_p2p_bcast_sta(mvm, vif); 1609e705c121SKalle Valo if (ret) 1610e705c121SKalle Valo goto out_unbind; 1611e705c121SKalle Valo 1612e705c121SKalle Valo /* Save a pointer to p2p device vif, so it can later be used to 1613e705c121SKalle Valo * update the p2p device MAC when a GO is started/stopped */ 1614e705c121SKalle Valo mvm->p2p_device_vif = vif; 1615e705c121SKalle Valo } 1616e705c121SKalle Valo 1617b0ffe455SJohannes Berg iwl_mvm_tcm_add_vif(mvm, vif); 1618f6780614SSara Sharon INIT_DELAYED_WORK(&mvmvif->csa_work, 1619f6780614SSara Sharon iwl_mvm_channel_switch_disconnect_wk); 1620b0ffe455SJohannes Berg 16215abf3154SMordechay Goodstein if (vif->type == NL80211_IFTYPE_MONITOR) { 1622baf41bc3SShaul Triebitz mvm->monitor_on = true; 16235abf3154SMordechay Goodstein mvm->monitor_p80 = 16245abf3154SMordechay Goodstein iwl_mvm_chandef_get_primary_80(&vif->bss_conf.chandef); 16255abf3154SMordechay Goodstein } 1626baf41bc3SShaul Triebitz 1627e705c121SKalle Valo iwl_mvm_vif_dbgfs_register(mvm, vif); 16286d19a5ebSEmmanuel Grumbach 16296d19a5ebSEmmanuel Grumbach if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 16306d19a5ebSEmmanuel Grumbach vif->type == NL80211_IFTYPE_STATION && !vif->p2p && 16316d19a5ebSEmmanuel Grumbach !mvm->csme_vif && mvm->mei_registered) { 16326d19a5ebSEmmanuel Grumbach iwl_mei_set_nic_info(vif->addr, mvm->nvm_data->hw_addr); 16336d19a5ebSEmmanuel Grumbach iwl_mei_set_netdev(ieee80211_vif_to_wdev(vif)->netdev); 16346d19a5ebSEmmanuel Grumbach mvm->csme_vif = vif; 16356d19a5ebSEmmanuel Grumbach } 16366d19a5ebSEmmanuel Grumbach 16371ab26632SMiri Korenblit out: 16381ab26632SMiri Korenblit if (!ret && (vif->type == NL80211_IFTYPE_AP || 16391ab26632SMiri Korenblit vif->type == NL80211_IFTYPE_ADHOC)) 16401ab26632SMiri Korenblit ret = iwl_mvm_alloc_bcast_mcast_sta(mvm, vif); 16411ab26632SMiri Korenblit 1642e705c121SKalle Valo goto out_unlock; 1643e705c121SKalle Valo 1644e705c121SKalle Valo out_unbind: 1645e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 1646e705c121SKalle Valo out_unref_phy: 1647650cadb7SGregory Greenman iwl_mvm_phy_ctxt_unref(mvm, mvmvif->deflink.phy_ctxt); 1648e705c121SKalle Valo out_free_bf: 1649e705c121SKalle Valo if (mvm->bf_allowed_vif == mvmvif) { 1650e705c121SKalle Valo mvm->bf_allowed_vif = NULL; 1651e705c121SKalle Valo vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | 1652e705c121SKalle Valo IEEE80211_VIF_SUPPORTS_CQM_RSSI); 1653e705c121SKalle Valo } 1654e705c121SKalle Valo out_remove_mac: 1655650cadb7SGregory Greenman mvmvif->deflink.phy_ctxt = NULL; 1656e705c121SKalle Valo iwl_mvm_mac_ctxt_remove(mvm, vif); 1657e705c121SKalle Valo out_unlock: 1658e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1659e705c121SKalle Valo 1660e705c121SKalle Valo return ret; 1661e705c121SKalle Valo } 1662e705c121SKalle Valo 1663cb145863SJohannes Berg void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm, 1664e705c121SKalle Valo struct ieee80211_vif *vif) 1665e705c121SKalle Valo { 1666e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1667e705c121SKalle Valo /* 1668e705c121SKalle Valo * Flush the ROC worker which will flush the OFFCHANNEL queue. 1669e705c121SKalle Valo * We assume here that all the packets sent to the OFFCHANNEL 1670e705c121SKalle Valo * queue are sent in ROC session. 1671e705c121SKalle Valo */ 1672e705c121SKalle Valo flush_work(&mvm->roc_done_wk); 1673e705c121SKalle Valo } 1674e705c121SKalle Valo } 1675e705c121SKalle Valo 167660efeca1SMiri Korenblit /* This function is doing the common part of removing the interface for 167760efeca1SMiri Korenblit * both - MLD and non-MLD modes. Returns true if removing the interface 167860efeca1SMiri Korenblit * is done 167960efeca1SMiri Korenblit */ 1680cb145863SJohannes Berg static bool iwl_mvm_mac_remove_interface_common(struct ieee80211_hw *hw, 1681e705c121SKalle Valo struct ieee80211_vif *vif) 1682e705c121SKalle Valo { 1683e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1684e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 168586e177d8SGregory Greenman struct iwl_probe_resp_data *probe_data; 1686e705c121SKalle Valo 1687e705c121SKalle Valo iwl_mvm_prepare_mac_removal(mvm, vif); 1688e705c121SKalle Valo 1689b0ffe455SJohannes Berg if (!(vif->type == NL80211_IFTYPE_AP || 1690b0ffe455SJohannes Berg vif->type == NL80211_IFTYPE_ADHOC)) 1691b0ffe455SJohannes Berg iwl_mvm_tcm_rm_vif(mvm, vif); 1692b0ffe455SJohannes Berg 1693e705c121SKalle Valo mutex_lock(&mvm->mutex); 1694e705c121SKalle Valo 16956d19a5ebSEmmanuel Grumbach if (vif == mvm->csme_vif) { 16966d19a5ebSEmmanuel Grumbach iwl_mei_set_netdev(NULL); 16976d19a5ebSEmmanuel Grumbach mvm->csme_vif = NULL; 16986d19a5ebSEmmanuel Grumbach } 16996d19a5ebSEmmanuel Grumbach 1700650cadb7SGregory Greenman probe_data = rcu_dereference_protected(mvmvif->deflink.probe_resp_data, 170186e177d8SGregory Greenman lockdep_is_held(&mvm->mutex)); 1702650cadb7SGregory Greenman RCU_INIT_POINTER(mvmvif->deflink.probe_resp_data, NULL); 170386e177d8SGregory Greenman if (probe_data) 170486e177d8SGregory Greenman kfree_rcu(probe_data, rcu_head); 170586e177d8SGregory Greenman 1706e705c121SKalle Valo if (mvm->bf_allowed_vif == mvmvif) { 1707e705c121SKalle Valo mvm->bf_allowed_vif = NULL; 1708e705c121SKalle Valo vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | 1709e705c121SKalle Valo IEEE80211_VIF_SUPPORTS_CQM_RSSI); 1710e705c121SKalle Valo } 1711e705c121SKalle Valo 1712b73f9a4aSJohannes Berg if (vif->bss_conf.ftm_responder) 1713b73f9a4aSJohannes Berg memset(&mvm->ftm_resp_stats, 0, sizeof(mvm->ftm_resp_stats)); 1714b73f9a4aSJohannes Berg 1715e705c121SKalle Valo iwl_mvm_vif_dbgfs_clean(mvm, vif); 1716e705c121SKalle Valo 1717e705c121SKalle Valo /* 1718e705c121SKalle Valo * For AP/GO interface, the tear down of the resources allocated to the 1719e705c121SKalle Valo * interface is be handled as part of the stop_ap flow. 1720e705c121SKalle Valo */ 1721e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP || 1722e705c121SKalle Valo vif->type == NL80211_IFTYPE_ADHOC) { 1723e705c121SKalle Valo #ifdef CONFIG_NL80211_TESTMODE 1724e705c121SKalle Valo if (vif == mvm->noa_vif) { 1725e705c121SKalle Valo mvm->noa_vif = NULL; 1726e705c121SKalle Valo mvm->noa_duration = 0; 1727e705c121SKalle Valo } 1728e705c121SKalle Valo #endif 172960efeca1SMiri Korenblit return true; 1730e705c121SKalle Valo } 1731e705c121SKalle Valo 173260efeca1SMiri Korenblit iwl_mvm_power_update_mac(mvm); 173360efeca1SMiri Korenblit return false; 173460efeca1SMiri Korenblit } 173560efeca1SMiri Korenblit 173660efeca1SMiri Korenblit static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw, 173760efeca1SMiri Korenblit struct ieee80211_vif *vif) 173860efeca1SMiri Korenblit { 173960efeca1SMiri Korenblit struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 174060efeca1SMiri Korenblit struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 174160efeca1SMiri Korenblit 174260efeca1SMiri Korenblit if (iwl_mvm_mac_remove_interface_common(hw, vif)) 174360efeca1SMiri Korenblit goto out; 174460efeca1SMiri Korenblit 1745e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1746e705c121SKalle Valo mvm->p2p_device_vif = NULL; 1747d197358bSLuca Coelho iwl_mvm_rm_p2p_bcast_sta(mvm, vif); 1748e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 1749650cadb7SGregory Greenman iwl_mvm_phy_ctxt_unref(mvm, mvmvif->deflink.phy_ctxt); 1750650cadb7SGregory Greenman mvmvif->deflink.phy_ctxt = NULL; 1751e705c121SKalle Valo } 1752e705c121SKalle Valo 1753e705c121SKalle Valo iwl_mvm_mac_ctxt_remove(mvm, vif); 1754e705c121SKalle Valo 1755698478c4SSara Sharon RCU_INIT_POINTER(mvm->vif_id_to_mac[mvmvif->id], NULL); 1756698478c4SSara Sharon 1757baf41bc3SShaul Triebitz if (vif->type == NL80211_IFTYPE_MONITOR) 1758baf41bc3SShaul Triebitz mvm->monitor_on = false; 1759baf41bc3SShaul Triebitz 176060efeca1SMiri Korenblit out: 176160efeca1SMiri Korenblit if (vif->type == NL80211_IFTYPE_AP || 176260efeca1SMiri Korenblit vif->type == NL80211_IFTYPE_ADHOC) { 1763650cadb7SGregory Greenman iwl_mvm_dealloc_int_sta(mvm, &mvmvif->deflink.mcast_sta); 176460efeca1SMiri Korenblit iwl_mvm_dealloc_bcast_sta(mvm, vif); 1765e705c121SKalle Valo } 1766e705c121SKalle Valo 1767e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1768e705c121SKalle Valo } 1769e705c121SKalle Valo 1770e705c121SKalle Valo struct iwl_mvm_mc_iter_data { 1771e705c121SKalle Valo struct iwl_mvm *mvm; 1772e705c121SKalle Valo int port_id; 1773e705c121SKalle Valo }; 1774e705c121SKalle Valo 1775e705c121SKalle Valo static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac, 1776e705c121SKalle Valo struct ieee80211_vif *vif) 1777e705c121SKalle Valo { 1778e705c121SKalle Valo struct iwl_mvm_mc_iter_data *data = _data; 1779e705c121SKalle Valo struct iwl_mvm *mvm = data->mvm; 1780e705c121SKalle Valo struct iwl_mcast_filter_cmd *cmd = mvm->mcast_filter_cmd; 178197bce57bSLuca Coelho struct iwl_host_cmd hcmd = { 178297bce57bSLuca Coelho .id = MCAST_FILTER_CMD, 178397bce57bSLuca Coelho .flags = CMD_ASYNC, 178497bce57bSLuca Coelho .dataflags[0] = IWL_HCMD_DFL_NOCOPY, 178597bce57bSLuca Coelho }; 1786e705c121SKalle Valo int ret, len; 1787e705c121SKalle Valo 1788e705c121SKalle Valo /* if we don't have free ports, mcast frames will be dropped */ 1789e705c121SKalle Valo if (WARN_ON_ONCE(data->port_id >= MAX_PORT_ID_NUM)) 1790e705c121SKalle Valo return; 1791e705c121SKalle Valo 1792e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_STATION || 1793f276e20bSJohannes Berg !vif->cfg.assoc) 1794e705c121SKalle Valo return; 1795e705c121SKalle Valo 1796e705c121SKalle Valo cmd->port_id = data->port_id++; 1797e705c121SKalle Valo memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN); 1798e705c121SKalle Valo len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4); 1799e705c121SKalle Valo 180097bce57bSLuca Coelho hcmd.len[0] = len; 180197bce57bSLuca Coelho hcmd.data[0] = cmd; 180297bce57bSLuca Coelho 180397bce57bSLuca Coelho ret = iwl_mvm_send_cmd(mvm, &hcmd); 1804e705c121SKalle Valo if (ret) 1805e705c121SKalle Valo IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret); 1806e705c121SKalle Valo } 1807e705c121SKalle Valo 1808e705c121SKalle Valo static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm) 1809e705c121SKalle Valo { 1810e705c121SKalle Valo struct iwl_mvm_mc_iter_data iter_data = { 1811e705c121SKalle Valo .mvm = mvm, 1812e705c121SKalle Valo }; 1813db66abeeSJohannes Berg int ret; 1814e705c121SKalle Valo 1815e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1816e705c121SKalle Valo 1817e705c121SKalle Valo if (WARN_ON_ONCE(!mvm->mcast_filter_cmd)) 1818e705c121SKalle Valo return; 1819e705c121SKalle Valo 1820e705c121SKalle Valo ieee80211_iterate_active_interfaces_atomic( 1821e705c121SKalle Valo mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 1822e705c121SKalle Valo iwl_mvm_mc_iface_iterator, &iter_data); 1823db66abeeSJohannes Berg 1824db66abeeSJohannes Berg /* 1825db66abeeSJohannes Berg * Send a (synchronous) ech command so that we wait for the 1826db66abeeSJohannes Berg * multiple asynchronous MCAST_FILTER_CMD commands sent by 1827db66abeeSJohannes Berg * the interface iterator. Otherwise, we might get here over 1828db66abeeSJohannes Berg * and over again (by userspace just sending a lot of these) 1829db66abeeSJohannes Berg * and the CPU can send them faster than the firmware can 1830db66abeeSJohannes Berg * process them. 1831db66abeeSJohannes Berg * Note that the CPU is still faster - but with this we'll 1832db66abeeSJohannes Berg * actually send fewer commands overall because the CPU will 1833db66abeeSJohannes Berg * not schedule the work in mac80211 as frequently if it's 1834db66abeeSJohannes Berg * still running when rescheduled (possibly multiple times). 1835db66abeeSJohannes Berg */ 1836db66abeeSJohannes Berg ret = iwl_mvm_send_cmd_pdu(mvm, ECHO_CMD, 0, 0, NULL); 1837db66abeeSJohannes Berg if (ret) 1838db66abeeSJohannes Berg IWL_ERR(mvm, "Failed to synchronize multicast groups update\n"); 1839e705c121SKalle Valo } 1840e705c121SKalle Valo 1841cbce62a3SMiri Korenblit u64 iwl_mvm_prepare_multicast(struct ieee80211_hw *hw, 1842e705c121SKalle Valo struct netdev_hw_addr_list *mc_list) 1843e705c121SKalle Valo { 1844e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1845e705c121SKalle Valo struct iwl_mcast_filter_cmd *cmd; 1846e705c121SKalle Valo struct netdev_hw_addr *addr; 1847e705c121SKalle Valo int addr_count; 1848e705c121SKalle Valo bool pass_all; 1849e705c121SKalle Valo int len; 1850e705c121SKalle Valo 1851e705c121SKalle Valo addr_count = netdev_hw_addr_list_count(mc_list); 1852e705c121SKalle Valo pass_all = addr_count > MAX_MCAST_FILTERING_ADDRESSES || 1853e705c121SKalle Valo IWL_MVM_FW_MCAST_FILTER_PASS_ALL; 1854e705c121SKalle Valo if (pass_all) 1855e705c121SKalle Valo addr_count = 0; 1856e705c121SKalle Valo 1857e705c121SKalle Valo len = roundup(sizeof(*cmd) + addr_count * ETH_ALEN, 4); 1858e705c121SKalle Valo cmd = kzalloc(len, GFP_ATOMIC); 1859e705c121SKalle Valo if (!cmd) 1860e705c121SKalle Valo return 0; 1861e705c121SKalle Valo 1862e705c121SKalle Valo if (pass_all) { 1863e705c121SKalle Valo cmd->pass_all = 1; 1864e705c121SKalle Valo return (u64)(unsigned long)cmd; 1865e705c121SKalle Valo } 1866e705c121SKalle Valo 1867e705c121SKalle Valo netdev_hw_addr_list_for_each(addr, mc_list) { 1868e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %pM\n", 1869e705c121SKalle Valo cmd->count, addr->addr); 1870e705c121SKalle Valo memcpy(&cmd->addr_list[cmd->count * ETH_ALEN], 1871e705c121SKalle Valo addr->addr, ETH_ALEN); 1872e705c121SKalle Valo cmd->count++; 1873e705c121SKalle Valo } 1874e705c121SKalle Valo 1875e705c121SKalle Valo return (u64)(unsigned long)cmd; 1876e705c121SKalle Valo } 1877e705c121SKalle Valo 1878cbce62a3SMiri Korenblit void iwl_mvm_configure_filter(struct ieee80211_hw *hw, 1879e705c121SKalle Valo unsigned int changed_flags, 1880cbce62a3SMiri Korenblit unsigned int *total_flags, u64 multicast) 1881e705c121SKalle Valo { 1882e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1883e705c121SKalle Valo struct iwl_mcast_filter_cmd *cmd = (void *)(unsigned long)multicast; 1884e705c121SKalle Valo 1885e705c121SKalle Valo mutex_lock(&mvm->mutex); 1886e705c121SKalle Valo 1887e705c121SKalle Valo /* replace previous configuration */ 1888e705c121SKalle Valo kfree(mvm->mcast_filter_cmd); 1889e705c121SKalle Valo mvm->mcast_filter_cmd = cmd; 1890e705c121SKalle Valo 1891e705c121SKalle Valo if (!cmd) 1892e705c121SKalle Valo goto out; 1893e705c121SKalle Valo 189461e7d91bSLuca Coelho if (changed_flags & FIF_ALLMULTI) 189561e7d91bSLuca Coelho cmd->pass_all = !!(*total_flags & FIF_ALLMULTI); 189661e7d91bSLuca Coelho 189761e7d91bSLuca Coelho if (cmd->pass_all) 189861e7d91bSLuca Coelho cmd->count = 0; 189961e7d91bSLuca Coelho 1900e705c121SKalle Valo iwl_mvm_recalc_multicast(mvm); 1901e705c121SKalle Valo out: 1902e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1903e705c121SKalle Valo *total_flags = 0; 1904e705c121SKalle Valo } 1905e705c121SKalle Valo 1906e705c121SKalle Valo static void iwl_mvm_config_iface_filter(struct ieee80211_hw *hw, 1907e705c121SKalle Valo struct ieee80211_vif *vif, 1908e705c121SKalle Valo unsigned int filter_flags, 1909e705c121SKalle Valo unsigned int changed_flags) 1910e705c121SKalle Valo { 1911e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1912e705c121SKalle Valo 1913e705c121SKalle Valo /* We support only filter for probe requests */ 1914e705c121SKalle Valo if (!(changed_flags & FIF_PROBE_REQ)) 1915e705c121SKalle Valo return; 1916e705c121SKalle Valo 1917e705c121SKalle Valo /* Supported only for p2p client interfaces */ 1918f276e20bSJohannes Berg if (vif->type != NL80211_IFTYPE_STATION || !vif->cfg.assoc || 1919e705c121SKalle Valo !vif->p2p) 1920e705c121SKalle Valo return; 1921e705c121SKalle Valo 1922e705c121SKalle Valo mutex_lock(&mvm->mutex); 1923e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 1924e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1925e705c121SKalle Valo } 1926e705c121SKalle Valo 192722c58834SGregory Greenman int iwl_mvm_update_mu_groups(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 1928a07a8f37SSara Sharon { 1929a07a8f37SSara Sharon struct iwl_mu_group_mgmt_cmd cmd = {}; 1930a07a8f37SSara Sharon 1931a07a8f37SSara Sharon memcpy(cmd.membership_status, vif->bss_conf.mu_group.membership, 1932a07a8f37SSara Sharon WLAN_MEMBERSHIP_LEN); 1933a07a8f37SSara Sharon memcpy(cmd.user_position, vif->bss_conf.mu_group.position, 1934a07a8f37SSara Sharon WLAN_USER_POSITION_LEN); 1935a07a8f37SSara Sharon 1936a07a8f37SSara Sharon return iwl_mvm_send_cmd_pdu(mvm, 1937a07a8f37SSara Sharon WIDE_ID(DATA_PATH_GROUP, 1938a07a8f37SSara Sharon UPDATE_MU_GROUPS_CMD), 1939a07a8f37SSara Sharon 0, sizeof(cmd), &cmd); 1940a07a8f37SSara Sharon } 1941a07a8f37SSara Sharon 1942f92659a1SSara Sharon static void iwl_mvm_mu_mimo_iface_iterator(void *_data, u8 *mac, 1943f92659a1SSara Sharon struct ieee80211_vif *vif) 1944f92659a1SSara Sharon { 1945d0a9123eSJohannes Berg if (vif->bss_conf.mu_mimo_owner) { 1946f92659a1SSara Sharon struct iwl_mu_group_mgmt_notif *notif = _data; 1947f92659a1SSara Sharon 1948f92659a1SSara Sharon /* 1949f92659a1SSara Sharon * MU-MIMO Group Id action frame is little endian. We treat 1950f92659a1SSara Sharon * the data received from firmware as if it came from the 1951f92659a1SSara Sharon * action frame, so no conversion is needed. 1952f92659a1SSara Sharon */ 1953afe0d181SJohannes Berg ieee80211_update_mu_groups(vif, 0, 1954f92659a1SSara Sharon (u8 *)¬if->membership_status, 1955f92659a1SSara Sharon (u8 *)¬if->user_position); 1956f92659a1SSara Sharon } 1957f92659a1SSara Sharon } 1958f92659a1SSara Sharon 1959f92659a1SSara Sharon void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm, 1960f92659a1SSara Sharon struct iwl_rx_cmd_buffer *rxb) 1961f92659a1SSara Sharon { 1962f92659a1SSara Sharon struct iwl_rx_packet *pkt = rxb_addr(rxb); 1963f92659a1SSara Sharon struct iwl_mu_group_mgmt_notif *notif = (void *)pkt->data; 1964f92659a1SSara Sharon 1965f92659a1SSara Sharon ieee80211_iterate_active_interfaces_atomic( 1966f92659a1SSara Sharon mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 1967f92659a1SSara Sharon iwl_mvm_mu_mimo_iface_iterator, notif); 1968f92659a1SSara Sharon } 1969f92659a1SSara Sharon 1970514c3069SLuca Coelho static u8 iwl_mvm_he_get_ppe_val(u8 *ppe, u8 ppe_pos_bit) 1971514c3069SLuca Coelho { 1972514c3069SLuca Coelho u8 byte_num = ppe_pos_bit / 8; 1973514c3069SLuca Coelho u8 bit_num = ppe_pos_bit % 8; 1974514c3069SLuca Coelho u8 residue_bits; 1975514c3069SLuca Coelho u8 res; 1976514c3069SLuca Coelho 1977514c3069SLuca Coelho if (bit_num <= 5) 1978514c3069SLuca Coelho return (ppe[byte_num] >> bit_num) & 1979514c3069SLuca Coelho (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE) - 1); 1980514c3069SLuca Coelho 1981514c3069SLuca Coelho /* 1982514c3069SLuca Coelho * If bit_num > 5, we have to combine bits with next byte. 1983514c3069SLuca Coelho * Calculate how many bits we need to take from current byte (called 1984514c3069SLuca Coelho * here "residue_bits"), and add them to bits from next byte. 1985514c3069SLuca Coelho */ 1986514c3069SLuca Coelho 1987514c3069SLuca Coelho residue_bits = 8 - bit_num; 1988514c3069SLuca Coelho 1989514c3069SLuca Coelho res = (ppe[byte_num + 1] & 1990514c3069SLuca Coelho (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE - residue_bits) - 1)) << 1991514c3069SLuca Coelho residue_bits; 1992514c3069SLuca Coelho res += (ppe[byte_num] >> bit_num) & (BIT(residue_bits) - 1); 1993514c3069SLuca Coelho 1994514c3069SLuca Coelho return res; 1995514c3069SLuca Coelho } 1996514c3069SLuca Coelho 1997091296d3SMiri Korenblit static void iwl_mvm_parse_ppe(struct iwl_mvm *mvm, 1998091296d3SMiri Korenblit struct iwl_he_pkt_ext_v2 *pkt_ext, u8 nss, 1999cb63eb43SMiri Korenblit u8 ru_index_bitmap, u8 *ppe, u8 ppe_pos_bit, 2000cb63eb43SMiri Korenblit bool inheritance) 2001091296d3SMiri Korenblit { 2002091296d3SMiri Korenblit int i; 2003091296d3SMiri Korenblit 2004091296d3SMiri Korenblit /* 2005091296d3SMiri Korenblit * FW currently supports only nss == MAX_HE_SUPP_NSS 2006091296d3SMiri Korenblit * 2007091296d3SMiri Korenblit * If nss > MAX: we can ignore values we don't support 2008091296d3SMiri Korenblit * If nss < MAX: we can set zeros in other streams 2009091296d3SMiri Korenblit */ 2010091296d3SMiri Korenblit if (nss > MAX_HE_SUPP_NSS) { 20114d8421f2SJason A. Donenfeld IWL_DEBUG_INFO(mvm, "Got NSS = %d - trimming to %d\n", nss, 2012091296d3SMiri Korenblit MAX_HE_SUPP_NSS); 2013091296d3SMiri Korenblit nss = MAX_HE_SUPP_NSS; 2014091296d3SMiri Korenblit } 2015091296d3SMiri Korenblit 2016091296d3SMiri Korenblit for (i = 0; i < nss; i++) { 2017091296d3SMiri Korenblit u8 ru_index_tmp = ru_index_bitmap << 1; 2018091296d3SMiri Korenblit u8 low_th = IWL_HE_PKT_EXT_NONE, high_th = IWL_HE_PKT_EXT_NONE; 2019091296d3SMiri Korenblit u8 bw; 2020091296d3SMiri Korenblit 2021091296d3SMiri Korenblit for (bw = 0; 2022091296d3SMiri Korenblit bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]); 2023091296d3SMiri Korenblit bw++) { 2024091296d3SMiri Korenblit ru_index_tmp >>= 1; 2025091296d3SMiri Korenblit 2026cb63eb43SMiri Korenblit /* 2027cb63eb43SMiri Korenblit * According to the 11be spec, if for a specific BW the PPE Thresholds 2028cb63eb43SMiri Korenblit * isn't present - it should inherit the thresholds from the last 2029cb63eb43SMiri Korenblit * BW for which we had PPE Thresholds. In 11ax though, we don't have 2030cb63eb43SMiri Korenblit * this inheritance - continue in this case 2031cb63eb43SMiri Korenblit */ 2032cb63eb43SMiri Korenblit if (!(ru_index_tmp & 1)) { 2033cb63eb43SMiri Korenblit if (inheritance) 2034cb63eb43SMiri Korenblit goto set_thresholds; 2035cb63eb43SMiri Korenblit else 2036091296d3SMiri Korenblit continue; 2037cb63eb43SMiri Korenblit } 2038091296d3SMiri Korenblit 2039091296d3SMiri Korenblit high_th = iwl_mvm_he_get_ppe_val(ppe, ppe_pos_bit); 2040091296d3SMiri Korenblit ppe_pos_bit += IEEE80211_PPE_THRES_INFO_PPET_SIZE; 2041091296d3SMiri Korenblit low_th = iwl_mvm_he_get_ppe_val(ppe, ppe_pos_bit); 2042091296d3SMiri Korenblit ppe_pos_bit += IEEE80211_PPE_THRES_INFO_PPET_SIZE; 2043091296d3SMiri Korenblit 2044cb63eb43SMiri Korenblit set_thresholds: 2045091296d3SMiri Korenblit pkt_ext->pkt_ext_qam_th[i][bw][0] = low_th; 2046091296d3SMiri Korenblit pkt_ext->pkt_ext_qam_th[i][bw][1] = high_th; 2047091296d3SMiri Korenblit } 2048091296d3SMiri Korenblit } 2049091296d3SMiri Korenblit } 2050091296d3SMiri Korenblit 2051091296d3SMiri Korenblit static void iwl_mvm_set_pkt_ext_from_he_ppe(struct iwl_mvm *mvm, 205257974a55SGregory Greenman struct ieee80211_link_sta *link_sta, 2053cb63eb43SMiri Korenblit struct iwl_he_pkt_ext_v2 *pkt_ext, 2054cb63eb43SMiri Korenblit bool inheritance) 2055091296d3SMiri Korenblit { 205657974a55SGregory Greenman u8 nss = (link_sta->he_cap.ppe_thres[0] & 205757974a55SGregory Greenman IEEE80211_PPE_THRES_NSS_MASK) + 1; 205857974a55SGregory Greenman u8 *ppe = &link_sta->he_cap.ppe_thres[0]; 2059091296d3SMiri Korenblit u8 ru_index_bitmap = 2060091296d3SMiri Korenblit u8_get_bits(*ppe, 2061091296d3SMiri Korenblit IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK); 2062091296d3SMiri Korenblit /* Starting after PPE header */ 2063091296d3SMiri Korenblit u8 ppe_pos_bit = IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE; 2064091296d3SMiri Korenblit 2065cb63eb43SMiri Korenblit iwl_mvm_parse_ppe(mvm, pkt_ext, nss, ru_index_bitmap, ppe, ppe_pos_bit, 2066cb63eb43SMiri Korenblit inheritance); 2067091296d3SMiri Korenblit } 2068091296d3SMiri Korenblit 20694df6a075SMiri Korenblit static int 20704df6a075SMiri Korenblit iwl_mvm_set_pkt_ext_from_nominal_padding(struct iwl_he_pkt_ext_v2 *pkt_ext, 20714df6a075SMiri Korenblit u8 nominal_padding) 2072091296d3SMiri Korenblit { 2073091296d3SMiri Korenblit int low_th = -1; 2074091296d3SMiri Korenblit int high_th = -1; 2075091296d3SMiri Korenblit int i; 2076091296d3SMiri Korenblit 2077cb63eb43SMiri Korenblit /* all the macros are the same for EHT and HE */ 2078091296d3SMiri Korenblit switch (nominal_padding) { 2079cb63eb43SMiri Korenblit case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_0US: 2080091296d3SMiri Korenblit low_th = IWL_HE_PKT_EXT_NONE; 2081091296d3SMiri Korenblit high_th = IWL_HE_PKT_EXT_NONE; 2082091296d3SMiri Korenblit break; 2083cb63eb43SMiri Korenblit case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US: 2084091296d3SMiri Korenblit low_th = IWL_HE_PKT_EXT_BPSK; 2085091296d3SMiri Korenblit high_th = IWL_HE_PKT_EXT_NONE; 2086091296d3SMiri Korenblit break; 2087cb63eb43SMiri Korenblit case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US: 2088cb63eb43SMiri Korenblit case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US: 2089091296d3SMiri Korenblit low_th = IWL_HE_PKT_EXT_NONE; 2090091296d3SMiri Korenblit high_th = IWL_HE_PKT_EXT_BPSK; 2091091296d3SMiri Korenblit break; 2092091296d3SMiri Korenblit } 2093091296d3SMiri Korenblit 20944df6a075SMiri Korenblit if (low_th < 0 || high_th < 0) 20954df6a075SMiri Korenblit return -EINVAL; 20964df6a075SMiri Korenblit 2097091296d3SMiri Korenblit /* Set the PPE thresholds accordingly */ 2098091296d3SMiri Korenblit for (i = 0; i < MAX_HE_SUPP_NSS; i++) { 2099091296d3SMiri Korenblit u8 bw; 2100091296d3SMiri Korenblit 2101091296d3SMiri Korenblit for (bw = 0; 2102091296d3SMiri Korenblit bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]); 2103091296d3SMiri Korenblit bw++) { 2104091296d3SMiri Korenblit pkt_ext->pkt_ext_qam_th[i][bw][0] = low_th; 2105091296d3SMiri Korenblit pkt_ext->pkt_ext_qam_th[i][bw][1] = high_th; 2106091296d3SMiri Korenblit } 2107091296d3SMiri Korenblit } 2108091296d3SMiri Korenblit 21094df6a075SMiri Korenblit return 0; 2110091296d3SMiri Korenblit } 2111091296d3SMiri Korenblit 2112cb63eb43SMiri Korenblit static void iwl_mvm_get_optimal_ppe_info(struct iwl_he_pkt_ext_v2 *pkt_ext, 2113cb63eb43SMiri Korenblit u8 nominal_padding) 2114cb63eb43SMiri Korenblit { 2115cb63eb43SMiri Korenblit int i; 2116cb63eb43SMiri Korenblit 2117cb63eb43SMiri Korenblit for (i = 0; i < MAX_HE_SUPP_NSS; i++) { 2118cb63eb43SMiri Korenblit u8 bw; 2119cb63eb43SMiri Korenblit 2120cb63eb43SMiri Korenblit for (bw = 0; bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]); 2121cb63eb43SMiri Korenblit bw++) { 2122cb63eb43SMiri Korenblit u8 *qam_th = &pkt_ext->pkt_ext_qam_th[i][bw][0]; 2123cb63eb43SMiri Korenblit 2124cb63eb43SMiri Korenblit if (nominal_padding > 2125cb63eb43SMiri Korenblit IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US && 2126cb63eb43SMiri Korenblit qam_th[1] == IWL_HE_PKT_EXT_NONE) 2127cb63eb43SMiri Korenblit qam_th[1] = IWL_HE_PKT_EXT_4096QAM; 2128cb63eb43SMiri Korenblit else if (nominal_padding == 2129cb63eb43SMiri Korenblit IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US && 2130cb63eb43SMiri Korenblit qam_th[0] == IWL_HE_PKT_EXT_NONE && 2131cb63eb43SMiri Korenblit qam_th[1] == IWL_HE_PKT_EXT_NONE) 2132cb63eb43SMiri Korenblit qam_th[0] = IWL_HE_PKT_EXT_4096QAM; 2133cb63eb43SMiri Korenblit } 2134cb63eb43SMiri Korenblit } 2135cb63eb43SMiri Korenblit } 2136cb63eb43SMiri Korenblit 21374df6a075SMiri Korenblit /* Set the pkt_ext field according to PPE Thresholds element */ 213857974a55SGregory Greenman int iwl_mvm_set_sta_pkt_ext(struct iwl_mvm *mvm, 213957974a55SGregory Greenman struct ieee80211_link_sta *link_sta, 21404df6a075SMiri Korenblit struct iwl_he_pkt_ext_v2 *pkt_ext) 21414df6a075SMiri Korenblit { 21424df6a075SMiri Korenblit u8 nominal_padding; 21434df6a075SMiri Korenblit int i, ret = 0; 21444df6a075SMiri Korenblit 214557974a55SGregory Greenman if (WARN_ON(!link_sta)) 214657974a55SGregory Greenman return -EINVAL; 214757974a55SGregory Greenman 21484df6a075SMiri Korenblit /* Initialize the PPE thresholds to "None" (7), as described in Table 21494df6a075SMiri Korenblit * 9-262ac of 80211.ax/D3.0. 21504df6a075SMiri Korenblit */ 21514df6a075SMiri Korenblit memset(pkt_ext, IWL_HE_PKT_EXT_NONE, 21524df6a075SMiri Korenblit sizeof(struct iwl_he_pkt_ext_v2)); 21534df6a075SMiri Korenblit 215457974a55SGregory Greenman if (link_sta->eht_cap.has_eht) { 21554df6a075SMiri Korenblit nominal_padding = 215657974a55SGregory Greenman u8_get_bits(link_sta->eht_cap.eht_cap_elem.phy_cap_info[5], 21574df6a075SMiri Korenblit IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK); 21584df6a075SMiri Korenblit 21594df6a075SMiri Korenblit /* If PPE Thresholds exists, parse them into a FW-familiar 21604df6a075SMiri Korenblit * format. 21614df6a075SMiri Korenblit */ 216257974a55SGregory Greenman if (link_sta->eht_cap.eht_cap_elem.phy_cap_info[5] & 21634df6a075SMiri Korenblit IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) { 216457974a55SGregory Greenman u8 nss = (link_sta->eht_cap.eht_ppe_thres[0] & 21654df6a075SMiri Korenblit IEEE80211_EHT_PPE_THRES_NSS_MASK) + 1; 216657974a55SGregory Greenman u8 *ppe = &link_sta->eht_cap.eht_ppe_thres[0]; 21674df6a075SMiri Korenblit u8 ru_index_bitmap = 21684df6a075SMiri Korenblit u16_get_bits(*ppe, 21694df6a075SMiri Korenblit IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK); 21704df6a075SMiri Korenblit /* Starting after PPE header */ 21714df6a075SMiri Korenblit u8 ppe_pos_bit = IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE; 21724df6a075SMiri Korenblit 21734df6a075SMiri Korenblit iwl_mvm_parse_ppe(mvm, pkt_ext, nss, ru_index_bitmap, 21744df6a075SMiri Korenblit ppe, ppe_pos_bit, true); 217557974a55SGregory Greenman /* EHT PPE Thresholds doesn't exist - set the API according to 217657974a55SGregory Greenman * HE PPE Tresholds 21774df6a075SMiri Korenblit */ 217857974a55SGregory Greenman } else if (link_sta->he_cap.he_cap_elem.phy_cap_info[6] & 21794df6a075SMiri Korenblit IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 21804df6a075SMiri Korenblit /* Even though HE Capabilities IE doesn't contain PPE 21814df6a075SMiri Korenblit * Thresholds for BW 320Mhz, thresholds for this BW will 21824df6a075SMiri Korenblit * be filled in with the same values as 160Mhz, due to 21834df6a075SMiri Korenblit * the inheritance, as required. 21844df6a075SMiri Korenblit */ 218557974a55SGregory Greenman iwl_mvm_set_pkt_ext_from_he_ppe(mvm, link_sta, pkt_ext, 21864df6a075SMiri Korenblit true); 21874df6a075SMiri Korenblit 21884df6a075SMiri Korenblit /* According to the requirements, for MCSs 12-13 the 21894df6a075SMiri Korenblit * maximum value between HE PPE Threshold and Common 21904df6a075SMiri Korenblit * Nominal Packet Padding needs to be taken 21914df6a075SMiri Korenblit */ 21924df6a075SMiri Korenblit iwl_mvm_get_optimal_ppe_info(pkt_ext, nominal_padding); 21934df6a075SMiri Korenblit 21944df6a075SMiri Korenblit /* if PPE Thresholds doesn't present in both EHT IE and HE IE - 21954df6a075SMiri Korenblit * take the Thresholds from Common Nominal Packet Padding field 21964df6a075SMiri Korenblit */ 21974df6a075SMiri Korenblit } else { 21984df6a075SMiri Korenblit ret = iwl_mvm_set_pkt_ext_from_nominal_padding(pkt_ext, 21994df6a075SMiri Korenblit nominal_padding); 22004df6a075SMiri Korenblit } 220157974a55SGregory Greenman } else if (link_sta->he_cap.has_he) { 22024df6a075SMiri Korenblit /* If PPE Thresholds exist, parse them into a FW-familiar format. */ 220357974a55SGregory Greenman if (link_sta->he_cap.he_cap_elem.phy_cap_info[6] & 22044df6a075SMiri Korenblit IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 220557974a55SGregory Greenman iwl_mvm_set_pkt_ext_from_he_ppe(mvm, link_sta, pkt_ext, 22064df6a075SMiri Korenblit false); 22074df6a075SMiri Korenblit /* PPE Thresholds doesn't exist - set the API PPE values 22084df6a075SMiri Korenblit * according to Common Nominal Packet Padding field. 22094df6a075SMiri Korenblit */ 22104df6a075SMiri Korenblit } else { 22114df6a075SMiri Korenblit nominal_padding = 221257974a55SGregory Greenman u8_get_bits(link_sta->he_cap.he_cap_elem.phy_cap_info[9], 22134df6a075SMiri Korenblit IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK); 22144df6a075SMiri Korenblit if (nominal_padding != IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_RESERVED) 22154df6a075SMiri Korenblit ret = iwl_mvm_set_pkt_ext_from_nominal_padding(pkt_ext, 22164df6a075SMiri Korenblit nominal_padding); 22174df6a075SMiri Korenblit } 22184df6a075SMiri Korenblit } 22194df6a075SMiri Korenblit 22204df6a075SMiri Korenblit for (i = 0; i < MAX_HE_SUPP_NSS; i++) { 22214df6a075SMiri Korenblit int bw; 22224df6a075SMiri Korenblit 22234df6a075SMiri Korenblit for (bw = 0; 22244df6a075SMiri Korenblit bw < ARRAY_SIZE(*pkt_ext->pkt_ext_qam_th[i]); 22254df6a075SMiri Korenblit bw++) { 22264df6a075SMiri Korenblit u8 *qam_th = 22274df6a075SMiri Korenblit &pkt_ext->pkt_ext_qam_th[i][bw][0]; 22284df6a075SMiri Korenblit 22294df6a075SMiri Korenblit IWL_DEBUG_HT(mvm, 22304df6a075SMiri Korenblit "PPE table: nss[%d] bw[%d] PPET8 = %d, PPET16 = %d\n", 22314df6a075SMiri Korenblit i, bw, qam_th[0], qam_th[1]); 22324df6a075SMiri Korenblit } 22334df6a075SMiri Korenblit } 22344df6a075SMiri Korenblit return ret; 22354df6a075SMiri Korenblit } 22364df6a075SMiri Korenblit 22379c4f15caSMiri Korenblit /* 22389c4f15caSMiri Korenblit * This function sets the MU EDCA parameters ans returns whether MU EDCA 22399c4f15caSMiri Korenblit * is enabled or not 22409c4f15caSMiri Korenblit */ 224155eb1c5fSMiri Korenblit bool iwl_mvm_set_fw_mu_edca_params(struct iwl_mvm *mvm, 22429c4f15caSMiri Korenblit struct iwl_mvm_vif *mvmvif, 224355eb1c5fSMiri Korenblit struct iwl_he_backoff_conf *trig_based_txf) 22449c4f15caSMiri Korenblit { 22459c4f15caSMiri Korenblit int i; 22469c4f15caSMiri Korenblit /* Mark MU EDCA as enabled, unless none detected on some AC */ 22479c4f15caSMiri Korenblit bool mu_edca_enabled = true; 22489c4f15caSMiri Korenblit 22499c4f15caSMiri Korenblit for (i = 0; i < IEEE80211_NUM_ACS; i++) { 22509c4f15caSMiri Korenblit struct ieee80211_he_mu_edca_param_ac_rec *mu_edca = 2251650cadb7SGregory Greenman &mvmvif->deflink.queue_params[i].mu_edca_param_rec; 22529c4f15caSMiri Korenblit u8 ac = iwl_mvm_mac80211_ac_to_ucode_ac(i); 22539c4f15caSMiri Korenblit 2254650cadb7SGregory Greenman if (!mvmvif->deflink.queue_params[i].mu_edca) { 22559c4f15caSMiri Korenblit mu_edca_enabled = false; 22569c4f15caSMiri Korenblit break; 22579c4f15caSMiri Korenblit } 22589c4f15caSMiri Korenblit 22599c4f15caSMiri Korenblit trig_based_txf[ac].cwmin = 22609c4f15caSMiri Korenblit cpu_to_le16(mu_edca->ecw_min_max & 0xf); 22619c4f15caSMiri Korenblit trig_based_txf[ac].cwmax = 22629c4f15caSMiri Korenblit cpu_to_le16((mu_edca->ecw_min_max & 0xf0) >> 4); 22639c4f15caSMiri Korenblit trig_based_txf[ac].aifsn = 22649c4f15caSMiri Korenblit cpu_to_le16(mu_edca->aifsn & 0xf); 22659c4f15caSMiri Korenblit trig_based_txf[ac].mu_time = 22669c4f15caSMiri Korenblit cpu_to_le16(mu_edca->mu_edca_timer); 22679c4f15caSMiri Korenblit } 22689c4f15caSMiri Korenblit 22699c4f15caSMiri Korenblit return mu_edca_enabled; 22709c4f15caSMiri Korenblit } 22719c4f15caSMiri Korenblit 22729be162a7SMiri Korenblit bool iwl_mvm_is_nic_ack_enabled(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 22739c4f15caSMiri Korenblit { 22749c4f15caSMiri Korenblit const struct ieee80211_supported_band *sband; 22759c4f15caSMiri Korenblit const struct ieee80211_sta_he_cap *own_he_cap = NULL; 22769c4f15caSMiri Korenblit 22779c4f15caSMiri Korenblit /* This capability is the same for all bands, 22789c4f15caSMiri Korenblit * so take it from one of them. 22799c4f15caSMiri Korenblit */ 22809c4f15caSMiri Korenblit sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]; 22811ec7291eSJohannes Berg own_he_cap = ieee80211_get_he_iftype_cap_vif(sband, vif); 22829c4f15caSMiri Korenblit 22839c4f15caSMiri Korenblit return (own_he_cap && (own_he_cap->he_cap_elem.mac_cap_info[2] & 22849c4f15caSMiri Korenblit IEEE80211_HE_MAC_CAP2_ACK_EN)); 22859c4f15caSMiri Korenblit } 22869c4f15caSMiri Korenblit 228757974a55SGregory Greenman __le32 iwl_mvm_get_sta_htc_flags(struct ieee80211_sta *sta, 228857974a55SGregory Greenman struct ieee80211_link_sta *link_sta) 22894df6a075SMiri Korenblit { 229057974a55SGregory Greenman u8 *mac_cap_info = 229157974a55SGregory Greenman &link_sta->he_cap.he_cap_elem.mac_cap_info[0]; 22924df6a075SMiri Korenblit __le32 htc_flags = 0; 22934df6a075SMiri Korenblit 22944df6a075SMiri Korenblit if (mac_cap_info[0] & IEEE80211_HE_MAC_CAP0_HTC_HE) 22954df6a075SMiri Korenblit htc_flags |= cpu_to_le32(IWL_HE_HTC_SUPPORT); 22964df6a075SMiri Korenblit if ((mac_cap_info[1] & IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION) || 22974df6a075SMiri Korenblit (mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION)) { 22984df6a075SMiri Korenblit u8 link_adap = 22994df6a075SMiri Korenblit ((mac_cap_info[2] & 23004df6a075SMiri Korenblit IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION) << 1) + 23014df6a075SMiri Korenblit (mac_cap_info[1] & 23024df6a075SMiri Korenblit IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION); 23034df6a075SMiri Korenblit 23044df6a075SMiri Korenblit if (link_adap == 2) 23054df6a075SMiri Korenblit htc_flags |= 23064df6a075SMiri Korenblit cpu_to_le32(IWL_HE_HTC_LINK_ADAP_UNSOLICITED); 23074df6a075SMiri Korenblit else if (link_adap == 3) 23084df6a075SMiri Korenblit htc_flags |= cpu_to_le32(IWL_HE_HTC_LINK_ADAP_BOTH); 23094df6a075SMiri Korenblit } 23104df6a075SMiri Korenblit if (mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_BSR) 23114df6a075SMiri Korenblit htc_flags |= cpu_to_le32(IWL_HE_HTC_BSR_SUPP); 23124df6a075SMiri Korenblit if (mac_cap_info[3] & IEEE80211_HE_MAC_CAP3_OMI_CONTROL) 23134df6a075SMiri Korenblit htc_flags |= cpu_to_le32(IWL_HE_HTC_OMI_SUPP); 23144df6a075SMiri Korenblit if (mac_cap_info[4] & IEEE80211_HE_MAC_CAP4_BQR) 23154df6a075SMiri Korenblit htc_flags |= cpu_to_le32(IWL_HE_HTC_BQR_SUPP); 23164df6a075SMiri Korenblit 23174df6a075SMiri Korenblit return htc_flags; 23184df6a075SMiri Korenblit } 23194df6a075SMiri Korenblit 2320514c3069SLuca Coelho static void iwl_mvm_cfg_he_sta(struct iwl_mvm *mvm, 2321514c3069SLuca Coelho struct ieee80211_vif *vif, u8 sta_id) 2322514c3069SLuca Coelho { 2323514c3069SLuca Coelho struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 232442506dd2SJohannes Berg struct iwl_he_sta_context_cmd_v3 sta_ctxt_cmd = { 2325514c3069SLuca Coelho .sta_id = sta_id, 2326514c3069SLuca Coelho .tid_limit = IWL_MAX_TID_COUNT, 2327dd56e902SJohn Crispin .bss_color = vif->bss_conf.he_bss_color.color, 2328514c3069SLuca Coelho .htc_trig_based_pkt_ext = vif->bss_conf.htc_trig_based_pkt_ext, 2329514c3069SLuca Coelho .frame_time_rts_th = 2330514c3069SLuca Coelho cpu_to_le16(vif->bss_conf.frame_time_rts_th), 2331514c3069SLuca Coelho }; 233242506dd2SJohannes Berg struct iwl_he_sta_context_cmd_v2 sta_ctxt_cmd_v2 = {}; 233342506dd2SJohannes Berg u32 cmd_id = WIDE_ID(DATA_PATH_GROUP, STA_HE_CTXT_CMD); 233442506dd2SJohannes Berg u8 ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, 2); 233542506dd2SJohannes Berg int size; 2336514c3069SLuca Coelho struct ieee80211_sta *sta; 2337514c3069SLuca Coelho u32 flags; 2338514c3069SLuca Coelho int i; 233942506dd2SJohannes Berg void *cmd; 234042506dd2SJohannes Berg 234142506dd2SJohannes Berg if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_MBSSID_HE)) 234242506dd2SJohannes Berg ver = 1; 234342506dd2SJohannes Berg 234442506dd2SJohannes Berg switch (ver) { 234542506dd2SJohannes Berg case 1: 234642506dd2SJohannes Berg /* same layout as v2 except some data at the end */ 234742506dd2SJohannes Berg cmd = &sta_ctxt_cmd_v2; 234842506dd2SJohannes Berg size = sizeof(struct iwl_he_sta_context_cmd_v1); 234942506dd2SJohannes Berg break; 235042506dd2SJohannes Berg case 2: 235142506dd2SJohannes Berg cmd = &sta_ctxt_cmd_v2; 235242506dd2SJohannes Berg size = sizeof(struct iwl_he_sta_context_cmd_v2); 235342506dd2SJohannes Berg break; 235442506dd2SJohannes Berg case 3: 235542506dd2SJohannes Berg cmd = &sta_ctxt_cmd; 235642506dd2SJohannes Berg size = sizeof(struct iwl_he_sta_context_cmd_v3); 235742506dd2SJohannes Berg break; 235842506dd2SJohannes Berg default: 235942506dd2SJohannes Berg IWL_ERR(mvm, "bad STA_HE_CTXT_CMD version %d\n", ver); 236042506dd2SJohannes Berg return; 236142506dd2SJohannes Berg } 2362514c3069SLuca Coelho 2363514c3069SLuca Coelho rcu_read_lock(); 2364514c3069SLuca Coelho 2365514c3069SLuca Coelho sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_ctxt_cmd.sta_id]); 236612d47f0eSAndrei Otcheretianski if (IS_ERR_OR_NULL(sta)) { 2367514c3069SLuca Coelho rcu_read_unlock(); 2368514c3069SLuca Coelho WARN(1, "Can't find STA to configure HE\n"); 2369514c3069SLuca Coelho return; 2370514c3069SLuca Coelho } 2371514c3069SLuca Coelho 2372046d2e7cSSriram R if (!sta->deflink.he_cap.has_he) { 2373514c3069SLuca Coelho rcu_read_unlock(); 2374514c3069SLuca Coelho return; 2375514c3069SLuca Coelho } 2376514c3069SLuca Coelho 2377514c3069SLuca Coelho flags = 0; 2378514c3069SLuca Coelho 23794f58121dSIlan Peer /* Block 26-tone RU OFDMA transmissions */ 2380650cadb7SGregory Greenman if (mvmvif->deflink.he_ru_2mhz_block) 23814f58121dSIlan Peer flags |= STA_CTXT_HE_RU_2MHZ_BLOCK; 23824f58121dSIlan Peer 2383514c3069SLuca Coelho /* HTC flags */ 238457974a55SGregory Greenman sta_ctxt_cmd.htc_flags = iwl_mvm_get_sta_htc_flags(sta, &sta->deflink); 2385514c3069SLuca Coelho 23864df6a075SMiri Korenblit /* PPE Thresholds */ 238757974a55SGregory Greenman if (!iwl_mvm_set_sta_pkt_ext(mvm, &sta->deflink, &sta_ctxt_cmd.pkt_ext)) 2388cb63eb43SMiri Korenblit flags |= STA_CTXT_HE_PACKET_EXT; 238973f23d91SShaul Triebitz 2390046d2e7cSSriram R if (sta->deflink.he_cap.he_cap_elem.mac_cap_info[2] & 239173f23d91SShaul Triebitz IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP) 239273f23d91SShaul Triebitz flags |= STA_CTXT_HE_32BIT_BA_BITMAP; 239373f23d91SShaul Triebitz 2394046d2e7cSSriram R if (sta->deflink.he_cap.he_cap_elem.mac_cap_info[2] & 239573f23d91SShaul Triebitz IEEE80211_HE_MAC_CAP2_ACK_EN) 239673f23d91SShaul Triebitz flags |= STA_CTXT_HE_ACK_ENABLED; 239773f23d91SShaul Triebitz 2398514c3069SLuca Coelho rcu_read_unlock(); 2399514c3069SLuca Coelho 24009c4f15caSMiri Korenblit if (iwl_mvm_set_fw_mu_edca_params(mvm, mvmvif, 24019c4f15caSMiri Korenblit &sta_ctxt_cmd.trig_based_txf[0])) 2402514c3069SLuca Coelho flags |= STA_CTXT_HE_MU_EDCA_CW; 2403514c3069SLuca Coelho 2404514c3069SLuca Coelho if (vif->bss_conf.uora_exists) { 2405514c3069SLuca Coelho flags |= STA_CTXT_HE_TRIG_RND_ALLOC; 2406514c3069SLuca Coelho 2407514c3069SLuca Coelho sta_ctxt_cmd.rand_alloc_ecwmin = 2408514c3069SLuca Coelho vif->bss_conf.uora_ocw_range & 0x7; 2409514c3069SLuca Coelho sta_ctxt_cmd.rand_alloc_ecwmax = 2410514c3069SLuca Coelho (vif->bss_conf.uora_ocw_range >> 3) & 0x7; 2411514c3069SLuca Coelho } 2412514c3069SLuca Coelho 24139c4f15caSMiri Korenblit if (!iwl_mvm_is_nic_ack_enabled(mvm, vif)) 2414ee1a02d7SShaul Triebitz flags |= STA_CTXT_HE_NIC_NOT_ACK_ENABLED; 2415ee1a02d7SShaul Triebitz 2416918cbf39SSara Sharon if (vif->bss_conf.nontransmitted) { 2417918cbf39SSara Sharon flags |= STA_CTXT_HE_REF_BSSID_VALID; 2418918cbf39SSara Sharon ether_addr_copy(sta_ctxt_cmd.ref_bssid_addr, 2419918cbf39SSara Sharon vif->bss_conf.transmitter_bssid); 2420d14ae796SSara Sharon sta_ctxt_cmd.max_bssid_indicator = 2421d14ae796SSara Sharon vif->bss_conf.bssid_indicator; 2422d14ae796SSara Sharon sta_ctxt_cmd.bssid_index = vif->bss_conf.bssid_index; 2423d14ae796SSara Sharon sta_ctxt_cmd.ema_ap = vif->bss_conf.ema_ap; 2424d14ae796SSara Sharon sta_ctxt_cmd.profile_periodicity = 2425d14ae796SSara Sharon vif->bss_conf.profile_periodicity; 2426918cbf39SSara Sharon } 2427514c3069SLuca Coelho 2428514c3069SLuca Coelho sta_ctxt_cmd.flags = cpu_to_le32(flags); 2429514c3069SLuca Coelho 243042506dd2SJohannes Berg if (ver < 3) { 243142506dd2SJohannes Berg /* fields before pkt_ext */ 243242506dd2SJohannes Berg BUILD_BUG_ON(offsetof(typeof(sta_ctxt_cmd), pkt_ext) != 243342506dd2SJohannes Berg offsetof(typeof(sta_ctxt_cmd_v2), pkt_ext)); 243442506dd2SJohannes Berg memcpy(&sta_ctxt_cmd_v2, &sta_ctxt_cmd, 243542506dd2SJohannes Berg offsetof(typeof(sta_ctxt_cmd), pkt_ext)); 243642506dd2SJohannes Berg 243742506dd2SJohannes Berg /* pkt_ext */ 243842506dd2SJohannes Berg for (i = 0; 243942506dd2SJohannes Berg i < ARRAY_SIZE(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th); 244042506dd2SJohannes Berg i++) { 244142506dd2SJohannes Berg u8 bw; 244242506dd2SJohannes Berg 244342506dd2SJohannes Berg for (bw = 0; 244442506dd2SJohannes Berg bw < ARRAY_SIZE(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i]); 244542506dd2SJohannes Berg bw++) { 244642506dd2SJohannes Berg BUILD_BUG_ON(sizeof(sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw]) != 244742506dd2SJohannes Berg sizeof(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i][bw])); 244842506dd2SJohannes Berg 244942506dd2SJohannes Berg memcpy(&sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i][bw], 245042506dd2SJohannes Berg &sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw], 245142506dd2SJohannes Berg sizeof(sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw])); 245242506dd2SJohannes Berg } 245342506dd2SJohannes Berg } 245442506dd2SJohannes Berg 245542506dd2SJohannes Berg /* fields after pkt_ext */ 245642506dd2SJohannes Berg BUILD_BUG_ON(sizeof(sta_ctxt_cmd) - 245742506dd2SJohannes Berg offsetofend(typeof(sta_ctxt_cmd), pkt_ext) != 245842506dd2SJohannes Berg sizeof(sta_ctxt_cmd_v2) - 245942506dd2SJohannes Berg offsetofend(typeof(sta_ctxt_cmd_v2), pkt_ext)); 246042506dd2SJohannes Berg memcpy((u8 *)&sta_ctxt_cmd_v2 + 246142506dd2SJohannes Berg offsetofend(typeof(sta_ctxt_cmd_v2), pkt_ext), 246242506dd2SJohannes Berg (u8 *)&sta_ctxt_cmd + 246342506dd2SJohannes Berg offsetofend(typeof(sta_ctxt_cmd), pkt_ext), 246442506dd2SJohannes Berg sizeof(sta_ctxt_cmd) - 246542506dd2SJohannes Berg offsetofend(typeof(sta_ctxt_cmd), pkt_ext)); 246642506dd2SJohannes Berg sta_ctxt_cmd_v2.reserved3 = 0; 246742506dd2SJohannes Berg } 246842506dd2SJohannes Berg 246942506dd2SJohannes Berg if (iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, size, cmd)) 2470514c3069SLuca Coelho IWL_ERR(mvm, "Failed to config FW to work HE!\n"); 2471514c3069SLuca Coelho } 2472514c3069SLuca Coelho 2473660eba5aSMiri Korenblit void iwl_mvm_protect_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 2474af84ac57SJohannes Berg u32 duration_override) 2475af84ac57SJohannes Berg { 2476af84ac57SJohannes Berg u32 duration = IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS; 2477af84ac57SJohannes Berg u32 min_duration = IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS; 2478af84ac57SJohannes Berg 2479af84ac57SJohannes Berg if (duration_override > duration) 2480af84ac57SJohannes Berg duration = duration_override; 2481af84ac57SJohannes Berg 2482af84ac57SJohannes Berg /* Try really hard to protect the session and hear a beacon 2483af84ac57SJohannes Berg * The new session protection command allows us to protect the 2484af84ac57SJohannes Berg * session for a much longer time since the firmware will internally 2485af84ac57SJohannes Berg * create two events: a 300TU one with a very high priority that 2486af84ac57SJohannes Berg * won't be fragmented which should be enough for 99% of the cases, 2487af84ac57SJohannes Berg * and another one (which we configure here to be 900TU long) which 2488af84ac57SJohannes Berg * will have a slightly lower priority, but more importantly, can be 2489af84ac57SJohannes Berg * fragmented so that it'll allow other activities to run. 2490af84ac57SJohannes Berg */ 2491af84ac57SJohannes Berg if (fw_has_capa(&mvm->fw->ucode_capa, 2492af84ac57SJohannes Berg IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) 2493af84ac57SJohannes Berg iwl_mvm_schedule_session_protection(mvm, vif, 900, 2494af84ac57SJohannes Berg min_duration, false); 2495af84ac57SJohannes Berg else 2496af84ac57SJohannes Berg iwl_mvm_protect_session(mvm, vif, duration, 2497af84ac57SJohannes Berg min_duration, 500, false); 2498af84ac57SJohannes Berg } 2499af84ac57SJohannes Berg 2500660eba5aSMiri Korenblit /* Handle association common part to MLD and non-MLD modes */ 2501660eba5aSMiri Korenblit void iwl_mvm_bss_info_changed_station_assoc(struct iwl_mvm *mvm, 2502660eba5aSMiri Korenblit struct ieee80211_vif *vif, 2503660eba5aSMiri Korenblit u64 changes) 2504660eba5aSMiri Korenblit { 2505660eba5aSMiri Korenblit struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2506660eba5aSMiri Korenblit int ret; 2507660eba5aSMiri Korenblit 2508660eba5aSMiri Korenblit /* The firmware tracks the MU-MIMO group on its own. 2509660eba5aSMiri Korenblit * However, on HW restart we should restore this data. 2510660eba5aSMiri Korenblit */ 2511660eba5aSMiri Korenblit if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 2512660eba5aSMiri Korenblit (changes & BSS_CHANGED_MU_GROUPS) && vif->bss_conf.mu_mimo_owner) { 2513660eba5aSMiri Korenblit ret = iwl_mvm_update_mu_groups(mvm, vif); 2514660eba5aSMiri Korenblit if (ret) 2515660eba5aSMiri Korenblit IWL_ERR(mvm, 2516660eba5aSMiri Korenblit "failed to update VHT MU_MIMO groups\n"); 2517660eba5aSMiri Korenblit } 2518660eba5aSMiri Korenblit 2519660eba5aSMiri Korenblit iwl_mvm_recalc_multicast(mvm); 2520660eba5aSMiri Korenblit 2521660eba5aSMiri Korenblit /* reset rssi values */ 2522660eba5aSMiri Korenblit mvmvif->bf_data.ave_beacon_signal = 0; 2523660eba5aSMiri Korenblit 2524660eba5aSMiri Korenblit iwl_mvm_bt_coex_vif_change(mvm); 25251a3e7039SGregory Greenman iwl_mvm_update_smps_on_active_links(mvm, vif, IWL_MVM_SMPS_REQ_TT, 2526660eba5aSMiri Korenblit IEEE80211_SMPS_AUTOMATIC); 2527660eba5aSMiri Korenblit if (fw_has_capa(&mvm->fw->ucode_capa, 2528660eba5aSMiri Korenblit IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 2529660eba5aSMiri Korenblit iwl_mvm_config_scan(mvm); 2530660eba5aSMiri Korenblit } 2531660eba5aSMiri Korenblit 2532660eba5aSMiri Korenblit /* Execute the common part for MLD and non-MLD modes */ 25331a3e7039SGregory Greenman void 25341a3e7039SGregory Greenman iwl_mvm_bss_info_changed_station_common(struct iwl_mvm *mvm, 2535660eba5aSMiri Korenblit struct ieee80211_vif *vif, 25361a3e7039SGregory Greenman struct ieee80211_bss_conf *link_conf, 2537660eba5aSMiri Korenblit u64 changes) 2538660eba5aSMiri Korenblit { 2539660eba5aSMiri Korenblit struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2540660eba5aSMiri Korenblit int ret; 2541660eba5aSMiri Korenblit 2542660eba5aSMiri Korenblit if (changes & BSS_CHANGED_BEACON_INFO) { 2543660eba5aSMiri Korenblit /* We received a beacon from the associated AP so 2544660eba5aSMiri Korenblit * remove the session protection. 2545660eba5aSMiri Korenblit */ 2546660eba5aSMiri Korenblit iwl_mvm_stop_session_protection(mvm, vif); 2547660eba5aSMiri Korenblit 2548660eba5aSMiri Korenblit iwl_mvm_sf_update(mvm, vif, false); 2549660eba5aSMiri Korenblit WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0)); 2550660eba5aSMiri Korenblit } 2551660eba5aSMiri Korenblit 2552660eba5aSMiri Korenblit if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS | 2553660eba5aSMiri Korenblit /* Send power command on every beacon change, 2554660eba5aSMiri Korenblit * because we may have not enabled beacon abort yet. 2555660eba5aSMiri Korenblit */ 2556660eba5aSMiri Korenblit BSS_CHANGED_BEACON_INFO)) { 2557660eba5aSMiri Korenblit ret = iwl_mvm_power_update_mac(mvm); 2558660eba5aSMiri Korenblit if (ret) 2559660eba5aSMiri Korenblit IWL_ERR(mvm, "failed to update power mode\n"); 2560660eba5aSMiri Korenblit } 2561660eba5aSMiri Korenblit 2562660eba5aSMiri Korenblit if (changes & BSS_CHANGED_CQM) { 2563660eba5aSMiri Korenblit IWL_DEBUG_MAC80211(mvm, "cqm info_changed\n"); 2564660eba5aSMiri Korenblit /* reset cqm events tracking */ 2565660eba5aSMiri Korenblit mvmvif->bf_data.last_cqm_event = 0; 2566660eba5aSMiri Korenblit if (mvmvif->bf_data.bf_enabled) { 256722c58834SGregory Greenman /* FIXME: need to update per link when FW API will 256822c58834SGregory Greenman * support it 256922c58834SGregory Greenman */ 2570660eba5aSMiri Korenblit ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0); 2571660eba5aSMiri Korenblit if (ret) 2572660eba5aSMiri Korenblit IWL_ERR(mvm, 2573660eba5aSMiri Korenblit "failed to update CQM thresholds\n"); 2574660eba5aSMiri Korenblit } 2575660eba5aSMiri Korenblit } 2576660eba5aSMiri Korenblit 2577660eba5aSMiri Korenblit if (changes & BSS_CHANGED_BANDWIDTH) 25781a3e7039SGregory Greenman iwl_mvm_update_link_smps(vif, link_conf); 2579660eba5aSMiri Korenblit } 2580660eba5aSMiri Korenblit 2581e705c121SKalle Valo static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, 2582e705c121SKalle Valo struct ieee80211_vif *vif, 2583e705c121SKalle Valo struct ieee80211_bss_conf *bss_conf, 25847b7090b4SJohannes Berg u64 changes) 2585e705c121SKalle Valo { 2586e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2587e705c121SKalle Valo int ret; 2588e705c121SKalle Valo 2589e705c121SKalle Valo /* 2590cdaba917SEmmanuel Grumbach * Re-calculate the tsf id, as the leader-follower relations depend 2591cdaba917SEmmanuel Grumbach * on the beacon interval, which was not known when the station 2592cdaba917SEmmanuel Grumbach * interface was added. 2593e705c121SKalle Valo */ 2594f276e20bSJohannes Berg if (changes & BSS_CHANGED_ASSOC && vif->cfg.assoc) { 2595cb63eb43SMiri Korenblit if ((vif->bss_conf.he_support && 2596cb63eb43SMiri Korenblit !iwlwifi_mod_params.disable_11ax) || 2597cb63eb43SMiri Korenblit (vif->bss_conf.eht_support && 2598cb63eb43SMiri Korenblit !iwlwifi_mod_params.disable_11be)) 2599650cadb7SGregory Greenman iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->deflink.ap_sta_id); 2600514c3069SLuca Coelho 2601e705c121SKalle Valo iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); 2602514c3069SLuca Coelho } 2603e705c121SKalle Valo 260440ecdd01SShaul Triebitz /* Update MU EDCA params */ 260540ecdd01SShaul Triebitz if (changes & BSS_CHANGED_QOS && mvmvif->associated && 2606cb63eb43SMiri Korenblit vif->cfg.assoc && 2607cb63eb43SMiri Korenblit ((vif->bss_conf.he_support && 2608cb63eb43SMiri Korenblit !iwlwifi_mod_params.disable_11ax) || 2609cb63eb43SMiri Korenblit (vif->bss_conf.eht_support && 2610cb63eb43SMiri Korenblit !iwlwifi_mod_params.disable_11be))) 2611650cadb7SGregory Greenman iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->deflink.ap_sta_id); 261240ecdd01SShaul Triebitz 2613e705c121SKalle Valo /* 2614e705c121SKalle Valo * If we're not associated yet, take the (new) BSSID before associating 2615e705c121SKalle Valo * so the firmware knows. If we're already associated, then use the old 2616e705c121SKalle Valo * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC 2617e705c121SKalle Valo * branch for disassociation below. 2618e705c121SKalle Valo */ 2619e705c121SKalle Valo if (changes & BSS_CHANGED_BSSID && !mvmvif->associated) 2620650cadb7SGregory Greenman memcpy(mvmvif->deflink.bssid, bss_conf->bssid, ETH_ALEN); 2621e705c121SKalle Valo 2622650cadb7SGregory Greenman ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, mvmvif->deflink.bssid); 2623e705c121SKalle Valo if (ret) 2624e705c121SKalle Valo IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); 2625e705c121SKalle Valo 2626e705c121SKalle Valo /* after sending it once, adopt mac80211 data */ 2627650cadb7SGregory Greenman memcpy(mvmvif->deflink.bssid, bss_conf->bssid, ETH_ALEN); 2628f276e20bSJohannes Berg mvmvif->associated = vif->cfg.assoc; 2629e705c121SKalle Valo 2630e705c121SKalle Valo if (changes & BSS_CHANGED_ASSOC) { 2631f276e20bSJohannes Berg if (vif->cfg.assoc) { 2632e705c121SKalle Valo /* clear statistics to get clean beacon counter */ 2633e705c121SKalle Valo iwl_mvm_request_statistics(mvm, true); 2634650cadb7SGregory Greenman memset(&mvmvif->deflink.beacon_stats, 0, 2635650cadb7SGregory Greenman sizeof(mvmvif->deflink.beacon_stats)); 2636e705c121SKalle Valo 2637e705c121SKalle Valo /* add quota for this interface */ 2638e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, true, NULL); 2639e705c121SKalle Valo if (ret) { 2640e705c121SKalle Valo IWL_ERR(mvm, "failed to update quotas\n"); 2641e705c121SKalle Valo return; 2642e705c121SKalle Valo } 2643e705c121SKalle Valo 2644e705c121SKalle Valo if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 2645fe959c7bSEmmanuel Grumbach &mvm->status) && 2646fe959c7bSEmmanuel Grumbach !fw_has_capa(&mvm->fw->ucode_capa, 2647fe959c7bSEmmanuel Grumbach IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) { 2648e705c121SKalle Valo /* 2649e705c121SKalle Valo * If we're restarting then the firmware will 2650e705c121SKalle Valo * obviously have lost synchronisation with 2651e705c121SKalle Valo * the AP. It will attempt to synchronise by 2652e705c121SKalle Valo * itself, but we can make it more reliable by 2653e705c121SKalle Valo * scheduling a session protection time event. 2654e705c121SKalle Valo * 2655e705c121SKalle Valo * The firmware needs to receive a beacon to 2656e705c121SKalle Valo * catch up with synchronisation, use 110% of 2657e705c121SKalle Valo * the beacon interval. 2658e705c121SKalle Valo * 2659e705c121SKalle Valo * Set a large maximum delay to allow for more 2660e705c121SKalle Valo * than a single interface. 2661fe959c7bSEmmanuel Grumbach * 2662fe959c7bSEmmanuel Grumbach * For new firmware versions, rely on the 2663fe959c7bSEmmanuel Grumbach * firmware. This is relevant for DCM scenarios 2664fe959c7bSEmmanuel Grumbach * only anyway. 2665e705c121SKalle Valo */ 2666e705c121SKalle Valo u32 dur = (11 * vif->bss_conf.beacon_int) / 10; 2667e705c121SKalle Valo iwl_mvm_protect_session(mvm, vif, dur, dur, 2668e705c121SKalle Valo 5 * dur, false); 2669af84ac57SJohannes Berg } else if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 2670af84ac57SJohannes Berg &mvm->status) && 2671af84ac57SJohannes Berg !vif->bss_conf.dtim_period) { 2672af84ac57SJohannes Berg /* 2673af84ac57SJohannes Berg * If we're not restarting and still haven't 2674af84ac57SJohannes Berg * heard a beacon (dtim period unknown) then 2675af84ac57SJohannes Berg * make sure we still have enough minimum time 2676af84ac57SJohannes Berg * remaining in the time event, since the auth 2677af84ac57SJohannes Berg * might actually have taken quite a while 2678af84ac57SJohannes Berg * (especially for SAE) and so the remaining 2679af84ac57SJohannes Berg * time could be small without us having heard 2680af84ac57SJohannes Berg * a beacon yet. 2681af84ac57SJohannes Berg */ 2682af84ac57SJohannes Berg iwl_mvm_protect_assoc(mvm, vif, 0); 2683e705c121SKalle Valo } 2684e705c121SKalle Valo 2685e705c121SKalle Valo iwl_mvm_sf_update(mvm, vif, false); 2686e705c121SKalle Valo iwl_mvm_power_vif_assoc(mvm, vif); 2687e705c121SKalle Valo if (vif->p2p) { 2688e705c121SKalle Valo iwl_mvm_update_smps(mvm, vif, 2689e705c121SKalle Valo IWL_MVM_SMPS_REQ_PROT, 26901a3e7039SGregory Greenman IEEE80211_SMPS_DYNAMIC, 0); 2691e705c121SKalle Valo } 2692650cadb7SGregory Greenman } else if (mvmvif->deflink.ap_sta_id != IWL_MVM_INVALID_STA) { 26936d19a5ebSEmmanuel Grumbach iwl_mvm_mei_host_disassociated(mvm); 2694e705c121SKalle Valo /* 2695e705c121SKalle Valo * If update fails - SF might be running in associated 2696e705c121SKalle Valo * mode while disassociated - which is forbidden. 2697e705c121SKalle Valo */ 269869e508b4SIlan Peer ret = iwl_mvm_sf_update(mvm, vif, false); 269969e508b4SIlan Peer WARN_ONCE(ret && 270069e508b4SIlan Peer !test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 270169e508b4SIlan Peer &mvm->status), 2702e705c121SKalle Valo "Failed to update SF upon disassociation\n"); 2703e705c121SKalle Valo 27046b28f978SEmmanuel Grumbach /* 27056b28f978SEmmanuel Grumbach * If we get an assert during the connection (after the 27066b28f978SEmmanuel Grumbach * station has been added, but before the vif is set 27076b28f978SEmmanuel Grumbach * to associated), mac80211 will re-add the station and 27086b28f978SEmmanuel Grumbach * then configure the vif. Since the vif is not 27096b28f978SEmmanuel Grumbach * associated, we would remove the station here and 27106b28f978SEmmanuel Grumbach * this would fail the recovery. 27116b28f978SEmmanuel Grumbach */ 27126b28f978SEmmanuel Grumbach if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 27136b28f978SEmmanuel Grumbach &mvm->status)) { 27145c75a208SJohannes Berg /* first remove remaining keys */ 2715ba9eef6bSGregory Greenman iwl_mvm_sec_key_remove_ap(mvm, vif, 2716072573f6SJohannes Berg &mvmvif->deflink, 0); 27175c75a208SJohannes Berg 27186b28f978SEmmanuel Grumbach /* 27196b28f978SEmmanuel Grumbach * Remove AP station now that 27206b28f978SEmmanuel Grumbach * the MAC is unassoc 27216b28f978SEmmanuel Grumbach */ 27226b28f978SEmmanuel Grumbach ret = iwl_mvm_rm_sta_id(mvm, vif, 2723650cadb7SGregory Greenman mvmvif->deflink.ap_sta_id); 2724e705c121SKalle Valo if (ret) 27256b28f978SEmmanuel Grumbach IWL_ERR(mvm, 27266b28f978SEmmanuel Grumbach "failed to remove AP station\n"); 2727e705c121SKalle Valo 2728650cadb7SGregory Greenman mvmvif->deflink.ap_sta_id = IWL_MVM_INVALID_STA; 27296b28f978SEmmanuel Grumbach } 27306b28f978SEmmanuel Grumbach 2731e705c121SKalle Valo /* remove quota for this interface */ 2732e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, false, NULL); 2733e705c121SKalle Valo if (ret) 2734e705c121SKalle Valo IWL_ERR(mvm, "failed to update quotas\n"); 2735e705c121SKalle Valo 2736e705c121SKalle Valo /* this will take the cleared BSSID from bss_conf */ 2737e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 2738e705c121SKalle Valo if (ret) 2739e705c121SKalle Valo IWL_ERR(mvm, 2740e705c121SKalle Valo "failed to update MAC %pM (clear after unassoc)\n", 2741e705c121SKalle Valo vif->addr); 2742e705c121SKalle Valo } 2743e705c121SKalle Valo 2744660eba5aSMiri Korenblit iwl_mvm_bss_info_changed_station_assoc(mvm, vif, changes); 2745a07a8f37SSara Sharon } 2746a07a8f37SSara Sharon 27471a3e7039SGregory Greenman iwl_mvm_bss_info_changed_station_common(mvm, vif, &vif->bss_conf, 27481a3e7039SGregory Greenman changes); 2749b45242c9SAvraham Stern } 2750b45242c9SAvraham Stern 2751f947b62cSMiri Korenblit bool iwl_mvm_start_ap_ibss_common(struct ieee80211_hw *hw, 2752f947b62cSMiri Korenblit struct ieee80211_vif *vif, 2753f947b62cSMiri Korenblit int *ret) 2754f947b62cSMiri Korenblit { 2755f947b62cSMiri Korenblit struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2756f947b62cSMiri Korenblit struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2757f947b62cSMiri Korenblit int i; 2758e705c121SKalle Valo 2759f947b62cSMiri Korenblit lockdep_assert_held(&mvm->mutex); 2760f947b62cSMiri Korenblit 2761f947b62cSMiri Korenblit mvmvif->ap_assoc_sta_count = 0; 2762f947b62cSMiri Korenblit 2763f947b62cSMiri Korenblit /* must be set before quota calculations */ 2764f947b62cSMiri Korenblit mvmvif->ap_ibss_active = true; 2765f947b62cSMiri Korenblit 2766f947b62cSMiri Korenblit /* send all the early keys to the device now */ 2767f947b62cSMiri Korenblit for (i = 0; i < ARRAY_SIZE(mvmvif->ap_early_keys); i++) { 2768f947b62cSMiri Korenblit struct ieee80211_key_conf *key = mvmvif->ap_early_keys[i]; 2769f947b62cSMiri Korenblit 2770f947b62cSMiri Korenblit if (!key) 2771f947b62cSMiri Korenblit continue; 2772f947b62cSMiri Korenblit 2773f947b62cSMiri Korenblit mvmvif->ap_early_keys[i] = NULL; 2774f947b62cSMiri Korenblit 2775f947b62cSMiri Korenblit *ret = __iwl_mvm_mac_set_key(hw, SET_KEY, vif, NULL, key); 2776f947b62cSMiri Korenblit if (*ret) 2777f947b62cSMiri Korenblit return true; 2778e705c121SKalle Valo } 2779e705c121SKalle Valo 2780f947b62cSMiri Korenblit if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { 2781f947b62cSMiri Korenblit iwl_mvm_vif_set_low_latency(mvmvif, true, 2782f947b62cSMiri Korenblit LOW_LATENCY_VIF_TYPE); 2783f947b62cSMiri Korenblit iwl_mvm_send_low_latency_cmd(mvm, true, mvmvif->id); 2784e705c121SKalle Valo } 2785e705c121SKalle Valo 2786f947b62cSMiri Korenblit /* power updated needs to be done before quotas */ 2787f947b62cSMiri Korenblit iwl_mvm_power_update_mac(mvm); 2788e705c121SKalle Valo 2789f947b62cSMiri Korenblit return false; 2790e705c121SKalle Valo } 2791e705c121SKalle Valo 2792e705c121SKalle Valo static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw, 2793ae7ba17bSShaul Triebitz struct ieee80211_vif *vif, 2794b327c84cSGregory Greenman struct ieee80211_bss_conf *link_conf) 2795e705c121SKalle Valo { 2796e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2797e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2798f947b62cSMiri Korenblit int ret; 2799e705c121SKalle Valo 2800e705c121SKalle Valo mutex_lock(&mvm->mutex); 2801e705c121SKalle Valo 2802e705c121SKalle Valo /* 2803cdaba917SEmmanuel Grumbach * Re-calculate the tsf id, as the leader-follower relations depend on 2804cdaba917SEmmanuel Grumbach * the beacon interval, which was not known when the AP interface 2805cdaba917SEmmanuel Grumbach * was added. 2806e705c121SKalle Valo */ 2807e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP) 2808e705c121SKalle Valo iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); 2809e705c121SKalle Valo 281036cf5377SGregory Greenman /* For older devices need to send beacon template before adding mac 281136cf5377SGregory Greenman * context. For the newer, the beacon is a resource that belongs to a 281236cf5377SGregory Greenman * MAC, so need to send beacon template after adding the mac. 281336cf5377SGregory Greenman */ 281436cf5377SGregory Greenman if (mvm->trans->trans_cfg->device_family > IWL_DEVICE_FAMILY_22000) { 2815e705c121SKalle Valo /* Add the mac context */ 2816e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_add(mvm, vif); 2817e705c121SKalle Valo if (ret) 2818e705c121SKalle Valo goto out_unlock; 2819e705c121SKalle Valo 282036cf5377SGregory Greenman /* Send the beacon template */ 282136cf5377SGregory Greenman ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, link_conf); 282236cf5377SGregory Greenman if (ret) 282336cf5377SGregory Greenman goto out_unlock; 282436cf5377SGregory Greenman } else { 282536cf5377SGregory Greenman /* Send the beacon template */ 282636cf5377SGregory Greenman ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, link_conf); 282736cf5377SGregory Greenman if (ret) 282836cf5377SGregory Greenman goto out_unlock; 2829e705c121SKalle Valo 2830e705c121SKalle Valo /* Add the mac context */ 2831e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_add(mvm, vif); 2832e705c121SKalle Valo if (ret) 2833e705c121SKalle Valo goto out_unlock; 283436cf5377SGregory Greenman } 2835e705c121SKalle Valo 2836e705c121SKalle Valo /* Perform the binding */ 2837e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 2838e705c121SKalle Valo if (ret) 2839e705c121SKalle Valo goto out_remove; 2840e705c121SKalle Valo 284163dd5d02SSara Sharon /* 284263dd5d02SSara Sharon * This is not very nice, but the simplest: 284363dd5d02SSara Sharon * For older FWs adding the mcast sta before the bcast station may 284463dd5d02SSara Sharon * cause assert 0x2b00. 284563dd5d02SSara Sharon * This is fixed in later FW so make the order of removal depend on 284663dd5d02SSara Sharon * the TLV 284763dd5d02SSara Sharon */ 284863dd5d02SSara Sharon if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) { 2849ced19f26SSara Sharon ret = iwl_mvm_add_mcast_sta(mvm, vif); 2850ced19f26SSara Sharon if (ret) 2851ced19f26SSara Sharon goto out_unbind; 285263dd5d02SSara Sharon /* 285363dd5d02SSara Sharon * Send the bcast station. At this stage the TBTT and DTIM time 285463dd5d02SSara Sharon * events are added and applied to the scheduler 285563dd5d02SSara Sharon */ 2856e705c121SKalle Valo ret = iwl_mvm_send_add_bcast_sta(mvm, vif); 285763dd5d02SSara Sharon if (ret) { 285863dd5d02SSara Sharon iwl_mvm_rm_mcast_sta(mvm, vif); 285963dd5d02SSara Sharon goto out_unbind; 286063dd5d02SSara Sharon } 286163dd5d02SSara Sharon } else { 286263dd5d02SSara Sharon /* 286363dd5d02SSara Sharon * Send the bcast station. At this stage the TBTT and DTIM time 286463dd5d02SSara Sharon * events are added and applied to the scheduler 286563dd5d02SSara Sharon */ 286675fd4fecSJohannes Berg ret = iwl_mvm_send_add_bcast_sta(mvm, vif); 2867e705c121SKalle Valo if (ret) 286863dd5d02SSara Sharon goto out_unbind; 286975fd4fecSJohannes Berg ret = iwl_mvm_add_mcast_sta(mvm, vif); 287063dd5d02SSara Sharon if (ret) { 287163dd5d02SSara Sharon iwl_mvm_send_rm_bcast_sta(mvm, vif); 287263dd5d02SSara Sharon goto out_unbind; 287363dd5d02SSara Sharon } 287463dd5d02SSara Sharon } 287526d6c16bSSara Sharon 2876f947b62cSMiri Korenblit if (iwl_mvm_start_ap_ibss_common(hw, vif, &ret)) 2877f947b62cSMiri Korenblit goto out_failed; 2878e705c121SKalle Valo 2879e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, false, NULL); 2880e705c121SKalle Valo if (ret) 2881f947b62cSMiri Korenblit goto out_failed; 2882e705c121SKalle Valo 2883e705c121SKalle Valo /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ 2884e705c121SKalle Valo if (vif->p2p && mvm->p2p_device_vif) 2885e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); 2886e705c121SKalle Valo 2887e705c121SKalle Valo iwl_mvm_bt_coex_vif_change(mvm); 2888e705c121SKalle Valo 2889e705c121SKalle Valo /* we don't support TDLS during DCM */ 2890e705c121SKalle Valo if (iwl_mvm_phy_ctx_count(mvm) > 1) 2891e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 2892e705c121SKalle Valo 2893fd940de7SAvraham Stern iwl_mvm_ftm_restart_responder(mvm, vif, &vif->bss_conf); 2894b73f9a4aSJohannes Berg 2895e705c121SKalle Valo goto out_unlock; 2896e705c121SKalle Valo 2897f947b62cSMiri Korenblit out_failed: 2898e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 2899e705c121SKalle Valo mvmvif->ap_ibss_active = false; 2900e705c121SKalle Valo iwl_mvm_send_rm_bcast_sta(mvm, vif); 2901ced19f26SSara Sharon iwl_mvm_rm_mcast_sta(mvm, vif); 2902e705c121SKalle Valo out_unbind: 2903e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 2904e705c121SKalle Valo out_remove: 2905e705c121SKalle Valo iwl_mvm_mac_ctxt_remove(mvm, vif); 2906e705c121SKalle Valo out_unlock: 2907e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2908e705c121SKalle Valo return ret; 2909e705c121SKalle Valo } 2910e705c121SKalle Valo 2911ae7ba17bSShaul Triebitz static int iwl_mvm_start_ap(struct ieee80211_hw *hw, 2912ae7ba17bSShaul Triebitz struct ieee80211_vif *vif, 2913b327c84cSGregory Greenman struct ieee80211_bss_conf *link_conf) 2914ae7ba17bSShaul Triebitz { 2915b327c84cSGregory Greenman return iwl_mvm_start_ap_ibss(hw, vif, link_conf); 2916ae7ba17bSShaul Triebitz } 2917ae7ba17bSShaul Triebitz 2918ae7ba17bSShaul Triebitz static int iwl_mvm_start_ibss(struct ieee80211_hw *hw, 2919e705c121SKalle Valo struct ieee80211_vif *vif) 2920e705c121SKalle Valo { 2921b327c84cSGregory Greenman return iwl_mvm_start_ap_ibss(hw, vif, &vif->bss_conf); 2922ae7ba17bSShaul Triebitz } 2923ae7ba17bSShaul Triebitz 2924fd1a54c1SMiri Korenblit /* Common part for MLD and non-MLD ops */ 2925fd1a54c1SMiri Korenblit void iwl_mvm_stop_ap_ibss_common(struct iwl_mvm *mvm, 2926fd1a54c1SMiri Korenblit struct ieee80211_vif *vif) 2927ae7ba17bSShaul Triebitz { 2928e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2929e705c121SKalle Valo 2930fd1a54c1SMiri Korenblit lockdep_assert_held(&mvm->mutex); 2931e705c121SKalle Valo 2932fd1a54c1SMiri Korenblit iwl_mvm_prepare_mac_removal(mvm, vif); 2933e705c121SKalle Valo 2934e705c121SKalle Valo /* Handle AP stop while in CSA */ 2935e705c121SKalle Valo if (rcu_access_pointer(mvm->csa_vif) == vif) { 2936e705c121SKalle Valo iwl_mvm_remove_time_event(mvm, mvmvif, 2937e705c121SKalle Valo &mvmvif->time_event_data); 2938e705c121SKalle Valo RCU_INIT_POINTER(mvm->csa_vif, NULL); 2939e705c121SKalle Valo mvmvif->csa_countdown = false; 2940e705c121SKalle Valo } 2941e705c121SKalle Valo 2942e705c121SKalle Valo if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) { 2943e705c121SKalle Valo RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); 2944e705c121SKalle Valo mvm->csa_tx_block_bcn_timeout = 0; 2945e705c121SKalle Valo } 2946e705c121SKalle Valo 2947e705c121SKalle Valo mvmvif->ap_ibss_active = false; 2948e705c121SKalle Valo mvm->ap_last_beacon_gp2 = 0; 2949e705c121SKalle Valo 295047242744STova Mussai if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { 295147242744STova Mussai iwl_mvm_vif_set_low_latency(mvmvif, false, 295247242744STova Mussai LOW_LATENCY_VIF_TYPE); 295347242744STova Mussai iwl_mvm_send_low_latency_cmd(mvm, false, mvmvif->id); 295447242744STova Mussai } 295547242744STova Mussai 2956e705c121SKalle Valo iwl_mvm_bt_coex_vif_change(mvm); 2957fd1a54c1SMiri Korenblit } 2958fd1a54c1SMiri Korenblit 2959fd1a54c1SMiri Korenblit static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw, 2960fd1a54c1SMiri Korenblit struct ieee80211_vif *vif, 2961fd1a54c1SMiri Korenblit struct ieee80211_bss_conf *link_conf) 2962fd1a54c1SMiri Korenblit { 2963fd1a54c1SMiri Korenblit struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2964fd1a54c1SMiri Korenblit 2965fd1a54c1SMiri Korenblit mutex_lock(&mvm->mutex); 2966fd1a54c1SMiri Korenblit 2967fd1a54c1SMiri Korenblit iwl_mvm_stop_ap_ibss_common(mvm, vif); 2968e705c121SKalle Valo 2969e705c121SKalle Valo /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ 2970e705c121SKalle Valo if (vif->p2p && mvm->p2p_device_vif) 2971e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); 2972e705c121SKalle Valo 2973e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, NULL); 2974ced19f26SSara Sharon 2975be82ecd3SAvraham Stern iwl_mvm_ftm_responder_clear(mvm, vif); 2976be82ecd3SAvraham Stern 2977ced19f26SSara Sharon /* 2978ced19f26SSara Sharon * This is not very nice, but the simplest: 2979ced19f26SSara Sharon * For older FWs removing the mcast sta before the bcast station may 2980ced19f26SSara Sharon * cause assert 0x2b00. 2981ced19f26SSara Sharon * This is fixed in later FW (which will stop beaconing when removing 2982ced19f26SSara Sharon * bcast station). 2983ced19f26SSara Sharon * So make the order of removal depend on the TLV 2984ced19f26SSara Sharon */ 2985ced19f26SSara Sharon if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) 298626d6c16bSSara Sharon iwl_mvm_rm_mcast_sta(mvm, vif); 2987e705c121SKalle Valo iwl_mvm_send_rm_bcast_sta(mvm, vif); 2988ced19f26SSara Sharon if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) 2989ced19f26SSara Sharon iwl_mvm_rm_mcast_sta(mvm, vif); 2990e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 2991e705c121SKalle Valo 2992e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 2993e705c121SKalle Valo 2994e705c121SKalle Valo iwl_mvm_mac_ctxt_remove(mvm, vif); 2995e705c121SKalle Valo 2996e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2997e705c121SKalle Valo } 2998e705c121SKalle Valo 2999ae7ba17bSShaul Triebitz static void iwl_mvm_stop_ap(struct ieee80211_hw *hw, 3000ae7ba17bSShaul Triebitz struct ieee80211_vif *vif, 3001b327c84cSGregory Greenman struct ieee80211_bss_conf *link_conf) 3002ae7ba17bSShaul Triebitz { 3003b327c84cSGregory Greenman iwl_mvm_stop_ap_ibss(hw, vif, link_conf); 3004ae7ba17bSShaul Triebitz } 3005ae7ba17bSShaul Triebitz 3006ae7ba17bSShaul Triebitz static void iwl_mvm_stop_ibss(struct ieee80211_hw *hw, 3007ae7ba17bSShaul Triebitz struct ieee80211_vif *vif) 3008ae7ba17bSShaul Triebitz { 3009b327c84cSGregory Greenman iwl_mvm_stop_ap_ibss(hw, vif, &vif->bss_conf); 3010ae7ba17bSShaul Triebitz } 3011ae7ba17bSShaul Triebitz 3012e705c121SKalle Valo static void 3013e705c121SKalle Valo iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm, 3014e705c121SKalle Valo struct ieee80211_vif *vif, 3015e705c121SKalle Valo struct ieee80211_bss_conf *bss_conf, 30167b7090b4SJohannes Berg u64 changes) 3017e705c121SKalle Valo { 3018e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3019e705c121SKalle Valo 3020e705c121SKalle Valo /* Changes will be applied when the AP/IBSS is started */ 3021e705c121SKalle Valo if (!mvmvif->ap_ibss_active) 3022e705c121SKalle Valo return; 3023e705c121SKalle Valo 3024e705c121SKalle Valo if (changes & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT | 3025e705c121SKalle Valo BSS_CHANGED_BANDWIDTH | BSS_CHANGED_QOS) && 3026e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL)) 3027e705c121SKalle Valo IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); 3028e705c121SKalle Valo 3029e705c121SKalle Valo /* Need to send a new beacon template to the FW */ 3030e705c121SKalle Valo if (changes & BSS_CHANGED_BEACON && 303136cf5377SGregory Greenman iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, &vif->bss_conf)) 3032e705c121SKalle Valo IWL_WARN(mvm, "Failed updating beacon data\n"); 3033e705c121SKalle Valo 3034b73f9a4aSJohannes Berg if (changes & BSS_CHANGED_FTM_RESPONDER) { 3035fd940de7SAvraham Stern int ret = iwl_mvm_ftm_start_responder(mvm, vif, &vif->bss_conf); 3036b73f9a4aSJohannes Berg 3037b73f9a4aSJohannes Berg if (ret) 3038b73f9a4aSJohannes Berg IWL_WARN(mvm, "Failed to enable FTM responder (%d)\n", 3039b73f9a4aSJohannes Berg ret); 3040b73f9a4aSJohannes Berg } 3041b73f9a4aSJohannes Berg 3042e705c121SKalle Valo } 3043e705c121SKalle Valo 3044e705c121SKalle Valo static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw, 3045e705c121SKalle Valo struct ieee80211_vif *vif, 3046e705c121SKalle Valo struct ieee80211_bss_conf *bss_conf, 30477b7090b4SJohannes Berg u64 changes) 3048e705c121SKalle Valo { 3049a2906ea6SJohannes Berg static const struct iwl_mvm_bss_info_changed_ops callbacks = { 3050660eba5aSMiri Korenblit .bss_info_changed_sta = iwl_mvm_bss_info_changed_station, 3051660eba5aSMiri Korenblit .bss_info_changed_ap_ibss = iwl_mvm_bss_info_changed_ap_ibss, 3052660eba5aSMiri Korenblit }; 3053660eba5aSMiri Korenblit 3054660eba5aSMiri Korenblit iwl_mvm_bss_info_changed_common(hw, vif, bss_conf, &callbacks, 3055660eba5aSMiri Korenblit changes); 3056660eba5aSMiri Korenblit } 3057660eba5aSMiri Korenblit 3058660eba5aSMiri Korenblit void 3059660eba5aSMiri Korenblit iwl_mvm_bss_info_changed_common(struct ieee80211_hw *hw, 3060660eba5aSMiri Korenblit struct ieee80211_vif *vif, 3061660eba5aSMiri Korenblit struct ieee80211_bss_conf *bss_conf, 3062a2906ea6SJohannes Berg const struct iwl_mvm_bss_info_changed_ops *callbacks, 3063660eba5aSMiri Korenblit u64 changes) 3064660eba5aSMiri Korenblit { 3065e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3066e705c121SKalle Valo 3067e705c121SKalle Valo mutex_lock(&mvm->mutex); 3068e705c121SKalle Valo 3069f276e20bSJohannes Berg if (changes & BSS_CHANGED_IDLE && !vif->cfg.idle) 3070e705c121SKalle Valo iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, true); 3071e705c121SKalle Valo 3072e705c121SKalle Valo switch (vif->type) { 3073e705c121SKalle Valo case NL80211_IFTYPE_STATION: 3074660eba5aSMiri Korenblit callbacks->bss_info_changed_sta(mvm, vif, bss_conf, changes); 3075e705c121SKalle Valo break; 3076e705c121SKalle Valo case NL80211_IFTYPE_AP: 3077e705c121SKalle Valo case NL80211_IFTYPE_ADHOC: 3078660eba5aSMiri Korenblit callbacks->bss_info_changed_ap_ibss(mvm, vif, bss_conf, 3079660eba5aSMiri Korenblit changes); 3080e705c121SKalle Valo break; 308191b08c2dSAviya Erenfeld case NL80211_IFTYPE_MONITOR: 308291b08c2dSAviya Erenfeld if (changes & BSS_CHANGED_MU_GROUPS) 308391b08c2dSAviya Erenfeld iwl_mvm_update_mu_groups(mvm, vif); 308491b08c2dSAviya Erenfeld break; 3085e705c121SKalle Valo default: 3086e705c121SKalle Valo /* shouldn't happen */ 3087e705c121SKalle Valo WARN_ON_ONCE(1); 3088e705c121SKalle Valo } 3089e705c121SKalle Valo 30909aae43a4SJohannes Berg if (changes & BSS_CHANGED_TXPOWER) { 30919aae43a4SJohannes Berg IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d dBm\n", 30929aae43a4SJohannes Berg bss_conf->txpower); 30939aae43a4SJohannes Berg iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower); 30949aae43a4SJohannes Berg } 30959aae43a4SJohannes Berg 3096e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3097e705c121SKalle Valo } 3098e705c121SKalle Valo 3099cbce62a3SMiri Korenblit int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 3100e705c121SKalle Valo struct ieee80211_scan_request *hw_req) 3101e705c121SKalle Valo { 3102e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3103e705c121SKalle Valo int ret; 3104e705c121SKalle Valo 3105e705c121SKalle Valo if (hw_req->req.n_channels == 0 || 3106e705c121SKalle Valo hw_req->req.n_channels > mvm->fw->ucode_capa.n_scan_channels) 3107e705c121SKalle Valo return -EINVAL; 3108e705c121SKalle Valo 3109e705c121SKalle Valo mutex_lock(&mvm->mutex); 3110e705c121SKalle Valo ret = iwl_mvm_reg_scan_start(mvm, vif, &hw_req->req, &hw_req->ies); 3111e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3112e705c121SKalle Valo 3113e705c121SKalle Valo return ret; 3114e705c121SKalle Valo } 3115e705c121SKalle Valo 3116cbce62a3SMiri Korenblit void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw, 3117e705c121SKalle Valo struct ieee80211_vif *vif) 3118e705c121SKalle Valo { 3119e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3120e705c121SKalle Valo 3121e705c121SKalle Valo mutex_lock(&mvm->mutex); 3122e705c121SKalle Valo 3123e705c121SKalle Valo /* Due to a race condition, it's possible that mac80211 asks 3124e705c121SKalle Valo * us to stop a hw_scan when it's already stopped. This can 3125e705c121SKalle Valo * happen, for instance, if we stopped the scan ourselves, 3126e705c121SKalle Valo * called ieee80211_scan_completed() and the userspace called 3127e705c121SKalle Valo * cancel scan scan before ieee80211_scan_work() could run. 3128e705c121SKalle Valo * To handle that, simply return if the scan is not running. 3129e705c121SKalle Valo */ 3130e705c121SKalle Valo if (mvm->scan_status & IWL_MVM_SCAN_REGULAR) 3131e705c121SKalle Valo iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_REGULAR, true); 3132e705c121SKalle Valo 3133e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3134e705c121SKalle Valo } 3135e705c121SKalle Valo 3136cbce62a3SMiri Korenblit void 3137e705c121SKalle Valo iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw *hw, 3138e705c121SKalle Valo struct ieee80211_sta *sta, u16 tids, 3139e705c121SKalle Valo int num_frames, 3140e705c121SKalle Valo enum ieee80211_frame_release_type reason, 3141e705c121SKalle Valo bool more_data) 3142e705c121SKalle Valo { 3143e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3144e705c121SKalle Valo 3145e705c121SKalle Valo /* Called when we need to transmit (a) frame(s) from mac80211 */ 3146e705c121SKalle Valo 3147e705c121SKalle Valo iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, 3148e705c121SKalle Valo tids, more_data, false); 3149e705c121SKalle Valo } 3150e705c121SKalle Valo 3151cbce62a3SMiri Korenblit void 3152e705c121SKalle Valo iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw *hw, 3153e705c121SKalle Valo struct ieee80211_sta *sta, u16 tids, 3154e705c121SKalle Valo int num_frames, 3155e705c121SKalle Valo enum ieee80211_frame_release_type reason, 3156e705c121SKalle Valo bool more_data) 3157e705c121SKalle Valo { 3158e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3159e705c121SKalle Valo 31609a3fcf91SSara Sharon /* Called when we need to transmit (a) frame(s) from agg or dqa queue */ 3161e705c121SKalle Valo 3162e705c121SKalle Valo iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, 3163e705c121SKalle Valo tids, more_data, true); 3164e705c121SKalle Valo } 3165e705c121SKalle Valo 316665e25482SJohannes Berg static void __iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, 3167e705c121SKalle Valo enum sta_notify_cmd cmd, 3168e705c121SKalle Valo struct ieee80211_sta *sta) 3169e705c121SKalle Valo { 3170e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3171e705c121SKalle Valo struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 3172e705c121SKalle Valo unsigned long txqs = 0, tids = 0; 3173e705c121SKalle Valo int tid; 3174e705c121SKalle Valo 3175960f864bSJohannes Berg /* 3176960f864bSJohannes Berg * If we have TVQM then we get too high queue numbers - luckily 3177960f864bSJohannes Berg * we really shouldn't get here with that because such hardware 3178960f864bSJohannes Berg * should have firmware supporting buffer station offload. 3179960f864bSJohannes Berg */ 3180960f864bSJohannes Berg if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) 3181960f864bSJohannes Berg return; 3182960f864bSJohannes Berg 3183e705c121SKalle Valo spin_lock_bh(&mvmsta->lock); 3184311590a3SEmmanuel Grumbach for (tid = 0; tid < ARRAY_SIZE(mvmsta->tid_data); tid++) { 3185e705c121SKalle Valo struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 3186e705c121SKalle Valo 31876862fceeSSara Sharon if (tid_data->txq_id == IWL_MVM_INVALID_QUEUE) 31881c17627bSSara Sharon continue; 31891c17627bSSara Sharon 3190e705c121SKalle Valo __set_bit(tid_data->txq_id, &txqs); 3191e705c121SKalle Valo 3192dd32162dSLiad Kaufman if (iwl_mvm_tid_queued(mvm, tid_data) == 0) 3193e705c121SKalle Valo continue; 3194e705c121SKalle Valo 3195e705c121SKalle Valo __set_bit(tid, &tids); 3196e705c121SKalle Valo } 3197e705c121SKalle Valo 3198e705c121SKalle Valo switch (cmd) { 3199e705c121SKalle Valo case STA_NOTIFY_SLEEP: 3200e705c121SKalle Valo for_each_set_bit(tid, &tids, IWL_MAX_TID_COUNT) 3201e705c121SKalle Valo ieee80211_sta_set_buffered(sta, tid, true); 3202e705c121SKalle Valo 3203e705c121SKalle Valo if (txqs) 3204e705c121SKalle Valo iwl_trans_freeze_txq_timer(mvm->trans, txqs, true); 3205e705c121SKalle Valo /* 3206e705c121SKalle Valo * The fw updates the STA to be asleep. Tx packets on the Tx 3207e705c121SKalle Valo * queues to this station will not be transmitted. The fw will 3208e705c121SKalle Valo * send a Tx response with TX_STATUS_FAIL_DEST_PS. 3209e705c121SKalle Valo */ 3210e705c121SKalle Valo break; 3211e705c121SKalle Valo case STA_NOTIFY_AWAKE: 3212c8ee33e1SGregory Greenman if (WARN_ON(mvmsta->deflink.sta_id == IWL_MVM_INVALID_STA)) 3213e705c121SKalle Valo break; 3214e705c121SKalle Valo 3215e705c121SKalle Valo if (txqs) 3216e705c121SKalle Valo iwl_trans_freeze_txq_timer(mvm->trans, txqs, false); 3217e705c121SKalle Valo iwl_mvm_sta_modify_ps_wake(mvm, sta); 3218e705c121SKalle Valo break; 3219e705c121SKalle Valo default: 3220e705c121SKalle Valo break; 3221e705c121SKalle Valo } 3222e705c121SKalle Valo spin_unlock_bh(&mvmsta->lock); 3223e705c121SKalle Valo } 3224e705c121SKalle Valo 3225cbce62a3SMiri Korenblit void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 3226cbce62a3SMiri Korenblit enum sta_notify_cmd cmd, struct ieee80211_sta *sta) 322765e25482SJohannes Berg { 322865e25482SJohannes Berg __iwl_mvm_mac_sta_notify(hw, cmd, sta); 322965e25482SJohannes Berg } 323065e25482SJohannes Berg 323165e25482SJohannes Berg void iwl_mvm_sta_pm_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) 323265e25482SJohannes Berg { 323365e25482SJohannes Berg struct iwl_rx_packet *pkt = rxb_addr(rxb); 323465e25482SJohannes Berg struct iwl_mvm_pm_state_notification *notif = (void *)pkt->data; 323565e25482SJohannes Berg struct ieee80211_sta *sta; 323665e25482SJohannes Berg struct iwl_mvm_sta *mvmsta; 323765e25482SJohannes Berg bool sleeping = (notif->type != IWL_MVM_PM_EVENT_AWAKE); 323865e25482SJohannes Berg 3239be9ae34eSNathan Errera if (WARN_ON(notif->sta_id >= mvm->fw->ucode_capa.num_stations)) 324065e25482SJohannes Berg return; 324165e25482SJohannes Berg 324265e25482SJohannes Berg rcu_read_lock(); 3243a9560029SSara Sharon sta = rcu_dereference(mvm->fw_id_to_mac_id[notif->sta_id]); 324465e25482SJohannes Berg if (WARN_ON(IS_ERR_OR_NULL(sta))) { 324565e25482SJohannes Berg rcu_read_unlock(); 324665e25482SJohannes Berg return; 324765e25482SJohannes Berg } 324865e25482SJohannes Berg 324965e25482SJohannes Berg mvmsta = iwl_mvm_sta_from_mac80211(sta); 325065e25482SJohannes Berg 325165e25482SJohannes Berg if (!mvmsta->vif || 325265e25482SJohannes Berg mvmsta->vif->type != NL80211_IFTYPE_AP) { 325365e25482SJohannes Berg rcu_read_unlock(); 325465e25482SJohannes Berg return; 325565e25482SJohannes Berg } 325665e25482SJohannes Berg 325765e25482SJohannes Berg if (mvmsta->sleeping != sleeping) { 325865e25482SJohannes Berg mvmsta->sleeping = sleeping; 325965e25482SJohannes Berg __iwl_mvm_mac_sta_notify(mvm->hw, 326065e25482SJohannes Berg sleeping ? STA_NOTIFY_SLEEP : STA_NOTIFY_AWAKE, 326165e25482SJohannes Berg sta); 326265e25482SJohannes Berg ieee80211_sta_ps_transition(sta, sleeping); 326365e25482SJohannes Berg } 326465e25482SJohannes Berg 326565e25482SJohannes Berg if (sleeping) { 326665e25482SJohannes Berg switch (notif->type) { 326765e25482SJohannes Berg case IWL_MVM_PM_EVENT_AWAKE: 326865e25482SJohannes Berg case IWL_MVM_PM_EVENT_ASLEEP: 326965e25482SJohannes Berg break; 327065e25482SJohannes Berg case IWL_MVM_PM_EVENT_UAPSD: 327165e25482SJohannes Berg ieee80211_sta_uapsd_trigger(sta, IEEE80211_NUM_TIDS); 327265e25482SJohannes Berg break; 327365e25482SJohannes Berg case IWL_MVM_PM_EVENT_PS_POLL: 327465e25482SJohannes Berg ieee80211_sta_pspoll(sta); 327565e25482SJohannes Berg break; 327665e25482SJohannes Berg default: 327765e25482SJohannes Berg break; 327865e25482SJohannes Berg } 327965e25482SJohannes Berg } 328065e25482SJohannes Berg 328165e25482SJohannes Berg rcu_read_unlock(); 328265e25482SJohannes Berg } 328365e25482SJohannes Berg 3284cbce62a3SMiri Korenblit void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw, 3285e705c121SKalle Valo struct ieee80211_vif *vif, 3286e705c121SKalle Valo struct ieee80211_sta *sta) 3287e705c121SKalle Valo { 3288e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3289e705c121SKalle Valo struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 329079faae3aSGregory Greenman unsigned int link_id; 3291e705c121SKalle Valo 3292e705c121SKalle Valo /* 3293e705c121SKalle Valo * This is called before mac80211 does RCU synchronisation, 3294e705c121SKalle Valo * so here we already invalidate our internal RCU-protected 3295e705c121SKalle Valo * station pointer. The rest of the code will thus no longer 3296e705c121SKalle Valo * be able to find the station this way, and we don't rely 3297e705c121SKalle Valo * on further RCU synchronisation after the sta_state() 3298e705c121SKalle Valo * callback deleted the station. 329979faae3aSGregory Greenman * Since there's mvm->mutex here, no need to have RCU lock for 330079faae3aSGregory Greenman * mvm_sta->link access. 3301e705c121SKalle Valo */ 3302e705c121SKalle Valo mutex_lock(&mvm->mutex); 330379faae3aSGregory Greenman for (link_id = 0; link_id < ARRAY_SIZE(mvm_sta->link); link_id++) { 330479faae3aSGregory Greenman struct iwl_mvm_link_sta *link_sta; 330579faae3aSGregory Greenman u32 sta_id; 3306e705c121SKalle Valo 330779faae3aSGregory Greenman if (!mvm_sta->link[link_id]) 330879faae3aSGregory Greenman continue; 330979faae3aSGregory Greenman 331079faae3aSGregory Greenman link_sta = rcu_dereference_protected(mvm_sta->link[link_id], 331179faae3aSGregory Greenman lockdep_is_held(&mvm->mutex)); 331279faae3aSGregory Greenman sta_id = link_sta->sta_id; 3313b8a85a1dSJohannes Berg if (sta == rcu_access_pointer(mvm->fw_id_to_mac_id[sta_id])) { 33143e75668bSJohannes Berg RCU_INIT_POINTER(mvm->fw_id_to_mac_id[sta_id], 331579faae3aSGregory Greenman ERR_PTR(-ENOENT)); 3316b8a85a1dSJohannes Berg RCU_INIT_POINTER(mvm->fw_id_to_link_sta[sta_id], NULL); 3317b8a85a1dSJohannes Berg } 331879faae3aSGregory Greenman } 3319e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3320e705c121SKalle Valo } 3321e705c121SKalle Valo 3322e705c121SKalle Valo static void iwl_mvm_check_uapsd(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 3323e705c121SKalle Valo const u8 *bssid) 3324e705c121SKalle Valo { 3325b0ffe455SJohannes Berg int i; 3326b0ffe455SJohannes Berg 3327b0ffe455SJohannes Berg if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 3328b0ffe455SJohannes Berg struct iwl_mvm_tcm_mac *mdata; 3329b0ffe455SJohannes Berg 3330b0ffe455SJohannes Berg mdata = &mvm->tcm.data[iwl_mvm_vif_from_mac80211(vif)->id]; 3331b0ffe455SJohannes Berg ewma_rate_init(&mdata->uapsd_nonagg_detect.rate); 3332b0ffe455SJohannes Berg mdata->opened_rx_ba_sessions = false; 3333b0ffe455SJohannes Berg } 3334b0ffe455SJohannes Berg 3335e705c121SKalle Valo if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT)) 3336e705c121SKalle Valo return; 3337e705c121SKalle Valo 3338c5241b0cSAvraham Stern if (vif->p2p && !iwl_mvm_is_p2p_scm_uapsd_supported(mvm)) { 3339cee5a882SAvri Altman vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3340cee5a882SAvri Altman return; 3341cee5a882SAvri Altman } 3342cee5a882SAvri Altman 334311dee0b4SEmmanuel Grumbach if (!vif->p2p && 334411dee0b4SEmmanuel Grumbach (iwlwifi_mod_params.uapsd_disable & IWL_DISABLE_UAPSD_BSS)) { 3345e705c121SKalle Valo vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3346e705c121SKalle Valo return; 3347e705c121SKalle Valo } 3348e705c121SKalle Valo 3349b0ffe455SJohannes Berg for (i = 0; i < IWL_MVM_UAPSD_NOAGG_LIST_LEN; i++) { 3350b0ffe455SJohannes Berg if (ether_addr_equal(mvm->uapsd_noagg_bssids[i].addr, bssid)) { 3351b0ffe455SJohannes Berg vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3352b0ffe455SJohannes Berg return; 3353b0ffe455SJohannes Berg } 3354b0ffe455SJohannes Berg } 3355b0ffe455SJohannes Berg 3356e705c121SKalle Valo vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD; 3357e705c121SKalle Valo } 3358e705c121SKalle Valo 33591e8f1329SGolan Ben-Ami static void 33601e8f1329SGolan Ben-Ami iwl_mvm_tdls_check_trigger(struct iwl_mvm *mvm, 33611e8f1329SGolan Ben-Ami struct ieee80211_vif *vif, u8 *peer_addr, 33621e8f1329SGolan Ben-Ami enum nl80211_tdls_operation action) 33631e8f1329SGolan Ben-Ami { 33641e8f1329SGolan Ben-Ami struct iwl_fw_dbg_trigger_tlv *trig; 33651e8f1329SGolan Ben-Ami struct iwl_fw_dbg_trigger_tdls *tdls_trig; 33661e8f1329SGolan Ben-Ami 33676c042d75SSara Sharon trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 33686c042d75SSara Sharon FW_DBG_TRIGGER_TDLS); 33696c042d75SSara Sharon if (!trig) 33701e8f1329SGolan Ben-Ami return; 33711e8f1329SGolan Ben-Ami 33721e8f1329SGolan Ben-Ami tdls_trig = (void *)trig->data; 33731e8f1329SGolan Ben-Ami 33741e8f1329SGolan Ben-Ami if (!(tdls_trig->action_bitmap & BIT(action))) 33751e8f1329SGolan Ben-Ami return; 33761e8f1329SGolan Ben-Ami 33771e8f1329SGolan Ben-Ami if (tdls_trig->peer_mode && 33781e8f1329SGolan Ben-Ami memcmp(tdls_trig->peer, peer_addr, ETH_ALEN) != 0) 33791e8f1329SGolan Ben-Ami return; 33801e8f1329SGolan Ben-Ami 33817174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 33821e8f1329SGolan Ben-Ami "TDLS event occurred, peer %pM, action %d", 33831e8f1329SGolan Ben-Ami peer_addr, action); 33841e8f1329SGolan Ben-Ami } 33851e8f1329SGolan Ben-Ami 33864f58121dSIlan Peer struct iwl_mvm_he_obss_narrow_bw_ru_data { 33874f58121dSIlan Peer bool tolerated; 33884f58121dSIlan Peer }; 33894f58121dSIlan Peer 33904f58121dSIlan Peer static void iwl_mvm_check_he_obss_narrow_bw_ru_iter(struct wiphy *wiphy, 33914f58121dSIlan Peer struct cfg80211_bss *bss, 33924f58121dSIlan Peer void *_data) 33934f58121dSIlan Peer { 33944f58121dSIlan Peer struct iwl_mvm_he_obss_narrow_bw_ru_data *data = _data; 33956c608cd6SJohannes Berg const struct cfg80211_bss_ies *ies; 33964f58121dSIlan Peer const struct element *elem; 33974f58121dSIlan Peer 33986c608cd6SJohannes Berg rcu_read_lock(); 33996c608cd6SJohannes Berg ies = rcu_dereference(bss->ies); 34006c608cd6SJohannes Berg elem = cfg80211_find_elem(WLAN_EID_EXT_CAPABILITY, ies->data, 34016c608cd6SJohannes Berg ies->len); 34024f58121dSIlan Peer 34034f58121dSIlan Peer if (!elem || elem->datalen < 10 || 34044f58121dSIlan Peer !(elem->data[10] & 34054f58121dSIlan Peer WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT)) { 34064f58121dSIlan Peer data->tolerated = false; 34074f58121dSIlan Peer } 34086c608cd6SJohannes Berg rcu_read_unlock(); 34094f58121dSIlan Peer } 34104f58121dSIlan Peer 34116e1b5956SJohannes Berg static void 34126e1b5956SJohannes Berg iwl_mvm_check_he_obss_narrow_bw_ru(struct ieee80211_hw *hw, 34136e1b5956SJohannes Berg struct ieee80211_vif *vif, 34146e1b5956SJohannes Berg unsigned int link_id, 34156e1b5956SJohannes Berg struct ieee80211_bss_conf *link_conf) 34164f58121dSIlan Peer { 34174f58121dSIlan Peer struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 34184f58121dSIlan Peer struct iwl_mvm_he_obss_narrow_bw_ru_data iter_data = { 34194f58121dSIlan Peer .tolerated = true, 34204f58121dSIlan Peer }; 34214f58121dSIlan Peer 34226e1b5956SJohannes Berg if (WARN_ON_ONCE(!link_conf->chandef.chan || 34236e1b5956SJohannes Berg !mvmvif->link[link_id])) 34246e1b5956SJohannes Berg return; 34256e1b5956SJohannes Berg 34266e1b5956SJohannes Berg if (!(link_conf->chandef.chan->flags & IEEE80211_CHAN_RADAR)) { 34276e1b5956SJohannes Berg mvmvif->link[link_id]->he_ru_2mhz_block = false; 34284f58121dSIlan Peer return; 34294f58121dSIlan Peer } 34304f58121dSIlan Peer 34316e1b5956SJohannes Berg cfg80211_bss_iter(hw->wiphy, &link_conf->chandef, 34324f58121dSIlan Peer iwl_mvm_check_he_obss_narrow_bw_ru_iter, 34334f58121dSIlan Peer &iter_data); 34344f58121dSIlan Peer 34354f58121dSIlan Peer /* 34364f58121dSIlan Peer * If there is at least one AP on radar channel that cannot 34374f58121dSIlan Peer * tolerate 26-tone RU UL OFDMA transmissions using HE TB PPDU. 34384f58121dSIlan Peer */ 34396e1b5956SJohannes Berg mvmvif->link[link_id]->he_ru_2mhz_block = !iter_data.tolerated; 34404f58121dSIlan Peer } 34414f58121dSIlan Peer 3442f7d6ef33SJohannes Berg static void iwl_mvm_reset_cca_40mhz_workaround(struct iwl_mvm *mvm, 3443f7d6ef33SJohannes Berg struct ieee80211_vif *vif) 3444f7d6ef33SJohannes Berg { 3445f7d6ef33SJohannes Berg struct ieee80211_supported_band *sband; 3446f7d6ef33SJohannes Berg const struct ieee80211_sta_he_cap *he_cap; 3447f7d6ef33SJohannes Berg 3448f7d6ef33SJohannes Berg if (vif->type != NL80211_IFTYPE_STATION) 3449f7d6ef33SJohannes Berg return; 3450f7d6ef33SJohannes Berg 3451f7d6ef33SJohannes Berg if (!mvm->cca_40mhz_workaround) 3452f7d6ef33SJohannes Berg return; 3453f7d6ef33SJohannes Berg 3454f7d6ef33SJohannes Berg /* decrement and check that we reached zero */ 3455f7d6ef33SJohannes Berg mvm->cca_40mhz_workaround--; 3456f7d6ef33SJohannes Berg if (mvm->cca_40mhz_workaround) 3457f7d6ef33SJohannes Berg return; 3458f7d6ef33SJohannes Berg 3459f7d6ef33SJohannes Berg sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]; 3460f7d6ef33SJohannes Berg 3461f7d6ef33SJohannes Berg sband->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; 3462f7d6ef33SJohannes Berg 34631ec7291eSJohannes Berg he_cap = ieee80211_get_he_iftype_cap_vif(sband, vif); 3464f7d6ef33SJohannes Berg 3465f7d6ef33SJohannes Berg if (he_cap) { 3466f7d6ef33SJohannes Berg /* we know that ours is writable */ 34670301bcd5SBjoern A. Zeeb struct ieee80211_sta_he_cap *he = (void *)(uintptr_t)he_cap; 3468f7d6ef33SJohannes Berg 3469f7d6ef33SJohannes Berg he->he_cap_elem.phy_cap_info[0] |= 3470f7d6ef33SJohannes Berg IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G; 3471f7d6ef33SJohannes Berg } 3472f7d6ef33SJohannes Berg } 3473f7d6ef33SJohannes Berg 34746d19a5ebSEmmanuel Grumbach static void iwl_mvm_mei_host_associated(struct iwl_mvm *mvm, 34756d19a5ebSEmmanuel Grumbach struct ieee80211_vif *vif, 34766d19a5ebSEmmanuel Grumbach struct iwl_mvm_sta *mvm_sta) 34776d19a5ebSEmmanuel Grumbach { 34786d19a5ebSEmmanuel Grumbach #if IS_ENABLED(CONFIG_IWLMEI) 34796d19a5ebSEmmanuel Grumbach struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 34806d19a5ebSEmmanuel Grumbach struct iwl_mei_conn_info conn_info = { 3481f276e20bSJohannes Berg .ssid_len = vif->cfg.ssid_len, 34826d19a5ebSEmmanuel Grumbach }; 34836d19a5ebSEmmanuel Grumbach 34846d19a5ebSEmmanuel Grumbach if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 34856d19a5ebSEmmanuel Grumbach return; 34866d19a5ebSEmmanuel Grumbach 34876d19a5ebSEmmanuel Grumbach if (!mvm->mei_registered) 34886d19a5ebSEmmanuel Grumbach return; 34896d19a5ebSEmmanuel Grumbach 34906c07b73eSJohannes Berg /* FIXME: MEI needs to be updated for MLO */ 34916c07b73eSJohannes Berg if (!vif->bss_conf.chandef.chan) 34926c07b73eSJohannes Berg return; 34936c07b73eSJohannes Berg 34946c07b73eSJohannes Berg conn_info.channel = vif->bss_conf.chandef.chan->hw_value; 34956c07b73eSJohannes Berg 34966d19a5ebSEmmanuel Grumbach switch (mvm_sta->pairwise_cipher) { 3497e5d3a64eSAvraham Stern case WLAN_CIPHER_SUITE_TKIP: 3498e5d3a64eSAvraham Stern conn_info.pairwise_cipher = IWL_MEI_CIPHER_TKIP; 3499e5d3a64eSAvraham Stern break; 35006d19a5ebSEmmanuel Grumbach case WLAN_CIPHER_SUITE_CCMP: 35016d19a5ebSEmmanuel Grumbach conn_info.pairwise_cipher = IWL_MEI_CIPHER_CCMP; 35026d19a5ebSEmmanuel Grumbach break; 35036d19a5ebSEmmanuel Grumbach case WLAN_CIPHER_SUITE_GCMP: 35046d19a5ebSEmmanuel Grumbach conn_info.pairwise_cipher = IWL_MEI_CIPHER_GCMP; 35056d19a5ebSEmmanuel Grumbach break; 35066d19a5ebSEmmanuel Grumbach case WLAN_CIPHER_SUITE_GCMP_256: 35076d19a5ebSEmmanuel Grumbach conn_info.pairwise_cipher = IWL_MEI_CIPHER_GCMP_256; 35086d19a5ebSEmmanuel Grumbach break; 35096d19a5ebSEmmanuel Grumbach case 0: 35106d19a5ebSEmmanuel Grumbach /* open profile */ 35116d19a5ebSEmmanuel Grumbach break; 35126d19a5ebSEmmanuel Grumbach default: 35136d19a5ebSEmmanuel Grumbach /* cipher not supported, don't send anything to iwlmei */ 35146d19a5ebSEmmanuel Grumbach return; 35156d19a5ebSEmmanuel Grumbach } 35166d19a5ebSEmmanuel Grumbach 35176d19a5ebSEmmanuel Grumbach switch (mvmvif->rekey_data.akm) { 35186d19a5ebSEmmanuel Grumbach case WLAN_AKM_SUITE_SAE & 0xff: 35196d19a5ebSEmmanuel Grumbach conn_info.auth_mode = IWL_MEI_AKM_AUTH_SAE; 35206d19a5ebSEmmanuel Grumbach break; 35216d19a5ebSEmmanuel Grumbach case WLAN_AKM_SUITE_PSK & 0xff: 35226d19a5ebSEmmanuel Grumbach conn_info.auth_mode = IWL_MEI_AKM_AUTH_RSNA_PSK; 35236d19a5ebSEmmanuel Grumbach break; 35246d19a5ebSEmmanuel Grumbach case WLAN_AKM_SUITE_8021X & 0xff: 35256d19a5ebSEmmanuel Grumbach conn_info.auth_mode = IWL_MEI_AKM_AUTH_RSNA; 35266d19a5ebSEmmanuel Grumbach break; 35276d19a5ebSEmmanuel Grumbach case 0: 35286d19a5ebSEmmanuel Grumbach /* open profile */ 35296d19a5ebSEmmanuel Grumbach conn_info.auth_mode = IWL_MEI_AKM_AUTH_OPEN; 35306d19a5ebSEmmanuel Grumbach break; 35316d19a5ebSEmmanuel Grumbach default: 35326d19a5ebSEmmanuel Grumbach /* auth method / AKM not supported */ 35336d19a5ebSEmmanuel Grumbach /* TODO: All the FT vesions of these? */ 35346d19a5ebSEmmanuel Grumbach return; 35356d19a5ebSEmmanuel Grumbach } 35366d19a5ebSEmmanuel Grumbach 3537f276e20bSJohannes Berg memcpy(conn_info.ssid, vif->cfg.ssid, vif->cfg.ssid_len); 35386d19a5ebSEmmanuel Grumbach memcpy(conn_info.bssid, vif->bss_conf.bssid, ETH_ALEN); 35396d19a5ebSEmmanuel Grumbach 35406d19a5ebSEmmanuel Grumbach /* TODO: add support for collocated AP data */ 35416d19a5ebSEmmanuel Grumbach iwl_mei_host_associated(&conn_info, NULL); 35426d19a5ebSEmmanuel Grumbach #endif 35436d19a5ebSEmmanuel Grumbach } 35446d19a5ebSEmmanuel Grumbach 354587f7e243SMiri Korenblit static int iwl_mvm_mac_ctxt_changed_wrapper(struct iwl_mvm *mvm, 354687f7e243SMiri Korenblit struct ieee80211_vif *vif, 354787f7e243SMiri Korenblit bool force_assoc_off) 354887f7e243SMiri Korenblit { 354987f7e243SMiri Korenblit return iwl_mvm_mac_ctxt_changed(mvm, vif, force_assoc_off, NULL); 355087f7e243SMiri Korenblit } 355187f7e243SMiri Korenblit 3552e705c121SKalle Valo static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw, 3553e705c121SKalle Valo struct ieee80211_vif *vif, 3554e705c121SKalle Valo struct ieee80211_sta *sta, 3555e705c121SKalle Valo enum ieee80211_sta_state old_state, 3556e705c121SKalle Valo enum ieee80211_sta_state new_state) 3557e705c121SKalle Valo { 3558a2906ea6SJohannes Berg static const struct iwl_mvm_sta_state_ops callbacks = { 355987f7e243SMiri Korenblit .add_sta = iwl_mvm_add_sta, 356087f7e243SMiri Korenblit .update_sta = iwl_mvm_update_sta, 356187f7e243SMiri Korenblit .rm_sta = iwl_mvm_rm_sta, 356287f7e243SMiri Korenblit .mac_ctxt_changed = iwl_mvm_mac_ctxt_changed_wrapper, 356387f7e243SMiri Korenblit }; 356487f7e243SMiri Korenblit 356587f7e243SMiri Korenblit return iwl_mvm_mac_sta_state_common(hw, vif, sta, old_state, new_state, 356687f7e243SMiri Korenblit &callbacks); 356787f7e243SMiri Korenblit } 356887f7e243SMiri Korenblit 356957974a55SGregory Greenman /* FIXME: temporary making two assumptions in all sta handling functions: 357057974a55SGregory Greenman * (1) when setting sta state, the link exists and protected 357157974a55SGregory Greenman * (2) if a link is valid in sta then it's valid in vif (can 357257974a55SGregory Greenman * use same index in the link array) 357357974a55SGregory Greenman */ 3574f53be9c4SGregory Greenman static void iwl_mvm_rs_rate_init_all_links(struct iwl_mvm *mvm, 3575f53be9c4SGregory Greenman struct ieee80211_vif *vif, 357615d41834SJohannes Berg struct ieee80211_sta *sta) 3577f53be9c4SGregory Greenman { 3578f53be9c4SGregory Greenman struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3579f53be9c4SGregory Greenman unsigned int link_id; 358057974a55SGregory Greenman 3581f53be9c4SGregory Greenman for_each_mvm_vif_valid_link(mvmvif, link_id) { 3582f53be9c4SGregory Greenman struct ieee80211_bss_conf *conf = 3583a705a782SJohannes Berg link_conf_dereference_check(vif, link_id); 3584f53be9c4SGregory Greenman struct ieee80211_link_sta *link_sta = 3585a705a782SJohannes Berg link_sta_dereference_check(sta, link_id); 3586f53be9c4SGregory Greenman 3587f53be9c4SGregory Greenman if (!conf || !link_sta || !mvmvif->link[link_id]->phy_ctxt) 3588f53be9c4SGregory Greenman continue; 3589f53be9c4SGregory Greenman 3590c45217bdSJohannes Berg iwl_mvm_rs_rate_init(mvm, vif, sta, conf, link_sta, 359115d41834SJohannes Berg mvmvif->link[link_id]->phy_ctxt->channel->band); 3592f53be9c4SGregory Greenman } 3593f53be9c4SGregory Greenman } 359457974a55SGregory Greenman 359557974a55SGregory Greenman #define IWL_MVM_MIN_BEACON_INTERVAL_TU 16 359657974a55SGregory Greenman 359757974a55SGregory Greenman static bool iwl_mvm_vif_conf_from_sta(struct iwl_mvm *mvm, 359857974a55SGregory Greenman struct ieee80211_vif *vif, 359957974a55SGregory Greenman struct ieee80211_sta *sta) 360057974a55SGregory Greenman { 3601207be64fSMiri Korenblit struct ieee80211_link_sta *link_sta; 3602207be64fSMiri Korenblit unsigned int link_id; 360357974a55SGregory Greenman 360457974a55SGregory Greenman /* Beacon interval check - firmware will crash if the beacon 360557974a55SGregory Greenman * interval is less than 16. We can't avoid connecting at all, 360657974a55SGregory Greenman * so refuse the station state change, this will cause mac80211 360757974a55SGregory Greenman * to abandon attempts to connect to this AP, and eventually 360857974a55SGregory Greenman * wpa_s will blocklist the AP... 360957974a55SGregory Greenman */ 361057974a55SGregory Greenman 3611207be64fSMiri Korenblit for_each_sta_active_link(vif, sta, link_sta, link_id) { 361257974a55SGregory Greenman struct ieee80211_bss_conf *link_conf = 3613207be64fSMiri Korenblit link_conf_dereference_protected(vif, link_id); 361457974a55SGregory Greenman 3615207be64fSMiri Korenblit if (!link_conf) 361657974a55SGregory Greenman continue; 361757974a55SGregory Greenman 361857974a55SGregory Greenman if (link_conf->beacon_int < IWL_MVM_MIN_BEACON_INTERVAL_TU) { 361957974a55SGregory Greenman IWL_ERR(mvm, 362057974a55SGregory Greenman "Beacon interval %d for AP %pM is too small\n", 362157974a55SGregory Greenman link_conf->beacon_int, link_sta->addr); 362257974a55SGregory Greenman return false; 362357974a55SGregory Greenman } 362457974a55SGregory Greenman 362557974a55SGregory Greenman link_conf->he_support = link_sta->he_cap.has_he; 362657974a55SGregory Greenman } 362757974a55SGregory Greenman 362857974a55SGregory Greenman return true; 362957974a55SGregory Greenman } 363057974a55SGregory Greenman 363157974a55SGregory Greenman static void iwl_mvm_vif_set_he_support(struct ieee80211_hw *hw, 363257974a55SGregory Greenman struct ieee80211_vif *vif, 363357974a55SGregory Greenman struct ieee80211_sta *sta, 363457974a55SGregory Greenman bool is_sta) 363557974a55SGregory Greenman { 363657974a55SGregory Greenman struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3637207be64fSMiri Korenblit struct ieee80211_link_sta *link_sta; 3638207be64fSMiri Korenblit unsigned int link_id; 363957974a55SGregory Greenman 3640207be64fSMiri Korenblit for_each_sta_active_link(vif, sta, link_sta, link_id) { 364157974a55SGregory Greenman struct ieee80211_bss_conf *link_conf = 3642207be64fSMiri Korenblit link_conf_dereference_protected(vif, link_id); 364357974a55SGregory Greenman 3644207be64fSMiri Korenblit if (!link_conf || !mvmvif->link[link_id]) 364557974a55SGregory Greenman continue; 364657974a55SGregory Greenman 364757974a55SGregory Greenman link_conf->he_support = link_sta->he_cap.has_he; 364857974a55SGregory Greenman 364957974a55SGregory Greenman if (is_sta) { 3650207be64fSMiri Korenblit mvmvif->link[link_id]->he_ru_2mhz_block = false; 365157974a55SGregory Greenman if (link_sta->he_cap.has_he) 3652207be64fSMiri Korenblit iwl_mvm_check_he_obss_narrow_bw_ru(hw, vif, 3653207be64fSMiri Korenblit link_id, 36546e1b5956SJohannes Berg link_conf); 365557974a55SGregory Greenman } 365657974a55SGregory Greenman } 365757974a55SGregory Greenman } 365857974a55SGregory Greenman 365957974a55SGregory Greenman static int 366057974a55SGregory Greenman iwl_mvm_sta_state_notexist_to_none(struct iwl_mvm *mvm, 366157974a55SGregory Greenman struct ieee80211_vif *vif, 366257974a55SGregory Greenman struct ieee80211_sta *sta, 3663a2906ea6SJohannes Berg const struct iwl_mvm_sta_state_ops *callbacks) 366457974a55SGregory Greenman { 36650c9a8f90SJohannes Berg struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3666207be64fSMiri Korenblit struct ieee80211_link_sta *link_sta; 366757974a55SGregory Greenman unsigned int i; 366857974a55SGregory Greenman int ret; 366957974a55SGregory Greenman 367057974a55SGregory Greenman lockdep_assert_held(&mvm->mutex); 367157974a55SGregory Greenman 367257974a55SGregory Greenman if (vif->type == NL80211_IFTYPE_STATION && 367357974a55SGregory Greenman !iwl_mvm_vif_conf_from_sta(mvm, vif, sta)) 367457974a55SGregory Greenman return -EINVAL; 367557974a55SGregory Greenman 367657974a55SGregory Greenman if (sta->tdls && 367757974a55SGregory Greenman (vif->p2p || 367857974a55SGregory Greenman iwl_mvm_tdls_sta_count(mvm, NULL) == IWL_MVM_TDLS_STA_COUNT || 367957974a55SGregory Greenman iwl_mvm_phy_ctx_count(mvm) > 1)) { 368057974a55SGregory Greenman IWL_DEBUG_MAC80211(mvm, "refusing TDLS sta\n"); 368157974a55SGregory Greenman return -EBUSY; 368257974a55SGregory Greenman } 368357974a55SGregory Greenman 368457974a55SGregory Greenman ret = callbacks->add_sta(mvm, vif, sta); 368557974a55SGregory Greenman if (sta->tdls && ret == 0) { 368657974a55SGregory Greenman iwl_mvm_recalc_tdls_state(mvm, vif, true); 368757974a55SGregory Greenman iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 368857974a55SGregory Greenman NL80211_TDLS_SETUP); 368957974a55SGregory Greenman } 369057974a55SGregory Greenman 3691207be64fSMiri Korenblit for_each_sta_active_link(vif, sta, link_sta, i) 369257974a55SGregory Greenman link_sta->agg.max_rc_amsdu_len = 1; 3693207be64fSMiri Korenblit 369457974a55SGregory Greenman ieee80211_sta_recalc_aggregates(sta); 369557974a55SGregory Greenman 36960c9a8f90SJohannes Berg if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 36970c9a8f90SJohannes Berg mvmvif->ap_sta = sta; 36980c9a8f90SJohannes Berg 369957974a55SGregory Greenman return 0; 370057974a55SGregory Greenman } 370157974a55SGregory Greenman 370257974a55SGregory Greenman static int 370357974a55SGregory Greenman iwl_mvm_sta_state_auth_to_assoc(struct ieee80211_hw *hw, 370457974a55SGregory Greenman struct iwl_mvm *mvm, 370557974a55SGregory Greenman struct ieee80211_vif *vif, 370657974a55SGregory Greenman struct ieee80211_sta *sta, 3707a2906ea6SJohannes Berg const struct iwl_mvm_sta_state_ops *callbacks) 370857974a55SGregory Greenman { 370957974a55SGregory Greenman struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 371057974a55SGregory Greenman struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 3711207be64fSMiri Korenblit struct ieee80211_link_sta *link_sta; 3712207be64fSMiri Korenblit unsigned int link_id; 371357974a55SGregory Greenman 371457974a55SGregory Greenman lockdep_assert_held(&mvm->mutex); 371557974a55SGregory Greenman 371657974a55SGregory Greenman if (vif->type == NL80211_IFTYPE_AP) { 371757974a55SGregory Greenman iwl_mvm_vif_set_he_support(hw, vif, sta, false); 371857974a55SGregory Greenman mvmvif->ap_assoc_sta_count++; 371957974a55SGregory Greenman callbacks->mac_ctxt_changed(mvm, vif, false); 372057974a55SGregory Greenman 372157974a55SGregory Greenman /* since the below is not for MLD API, it's ok to use 372257974a55SGregory Greenman * the default bss_conf 372357974a55SGregory Greenman */ 372457974a55SGregory Greenman if (!mvm->mld_api_is_used && 372557974a55SGregory Greenman ((vif->bss_conf.he_support && 372657974a55SGregory Greenman !iwlwifi_mod_params.disable_11ax) || 372757974a55SGregory Greenman (vif->bss_conf.eht_support && 372857974a55SGregory Greenman !iwlwifi_mod_params.disable_11be))) 372957974a55SGregory Greenman iwl_mvm_cfg_he_sta(mvm, vif, mvm_sta->deflink.sta_id); 373057974a55SGregory Greenman } else if (vif->type == NL80211_IFTYPE_STATION) { 373157974a55SGregory Greenman iwl_mvm_vif_set_he_support(hw, vif, sta, true); 373257974a55SGregory Greenman 373357974a55SGregory Greenman callbacks->mac_ctxt_changed(mvm, vif, false); 373457974a55SGregory Greenman 373557974a55SGregory Greenman if (!mvm->mld_api_is_used) 373657974a55SGregory Greenman goto out; 373757974a55SGregory Greenman 3738207be64fSMiri Korenblit for_each_sta_active_link(vif, sta, link_sta, link_id) { 373957974a55SGregory Greenman struct ieee80211_bss_conf *link_conf = 3740207be64fSMiri Korenblit link_conf_dereference_protected(vif, link_id); 374157974a55SGregory Greenman 374257974a55SGregory Greenman if (WARN_ON(!link_conf)) 374357974a55SGregory Greenman return -EINVAL; 3744207be64fSMiri Korenblit if (!mvmvif->link[link_id]) 3745f14ad95aSJohannes Berg continue; 374657974a55SGregory Greenman 374757974a55SGregory Greenman iwl_mvm_link_changed(mvm, vif, link_conf, 374857974a55SGregory Greenman LINK_CONTEXT_MODIFY_ALL & 374957974a55SGregory Greenman ~LINK_CONTEXT_MODIFY_ACTIVE, 375057974a55SGregory Greenman true); 375157974a55SGregory Greenman } 375257974a55SGregory Greenman } 375357974a55SGregory Greenman 375457974a55SGregory Greenman out: 375515d41834SJohannes Berg iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 375657974a55SGregory Greenman 375757974a55SGregory Greenman return callbacks->update_sta(mvm, vif, sta); 375857974a55SGregory Greenman } 375957974a55SGregory Greenman 376057974a55SGregory Greenman static int 376157974a55SGregory Greenman iwl_mvm_sta_state_assoc_to_authorized(struct iwl_mvm *mvm, 376257974a55SGregory Greenman struct ieee80211_vif *vif, 376357974a55SGregory Greenman struct ieee80211_sta *sta, 3764a2906ea6SJohannes Berg const struct iwl_mvm_sta_state_ops *callbacks) 376557974a55SGregory Greenman { 376657974a55SGregory Greenman struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 376757974a55SGregory Greenman struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 376857974a55SGregory Greenman 376957974a55SGregory Greenman lockdep_assert_held(&mvm->mutex); 377057974a55SGregory Greenman 377157974a55SGregory Greenman /* we don't support TDLS during DCM */ 377257974a55SGregory Greenman if (iwl_mvm_phy_ctx_count(mvm) > 1) 377357974a55SGregory Greenman iwl_mvm_teardown_tdls_peers(mvm); 377457974a55SGregory Greenman 377557974a55SGregory Greenman if (sta->tdls) { 377657974a55SGregory Greenman iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 377757974a55SGregory Greenman NL80211_TDLS_ENABLE_LINK); 377857974a55SGregory Greenman } else { 377957974a55SGregory Greenman /* enable beacon filtering */ 378057974a55SGregory Greenman WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0)); 378157974a55SGregory Greenman 378257974a55SGregory Greenman mvmvif->authorized = 1; 378357974a55SGregory Greenman 378457974a55SGregory Greenman callbacks->mac_ctxt_changed(mvm, vif, false); 378557974a55SGregory Greenman iwl_mvm_mei_host_associated(mvm, vif, mvm_sta); 378657974a55SGregory Greenman } 378757974a55SGregory Greenman 378815d41834SJohannes Berg mvm_sta->authorized = true; 378915d41834SJohannes Berg 379015d41834SJohannes Berg iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 379157974a55SGregory Greenman 379257974a55SGregory Greenman return 0; 379357974a55SGregory Greenman } 379457974a55SGregory Greenman 379557974a55SGregory Greenman static int 379657974a55SGregory Greenman iwl_mvm_sta_state_authorized_to_assoc(struct iwl_mvm *mvm, 379757974a55SGregory Greenman struct ieee80211_vif *vif, 379857974a55SGregory Greenman struct ieee80211_sta *sta, 3799a2906ea6SJohannes Berg const struct iwl_mvm_sta_state_ops *callbacks) 380057974a55SGregory Greenman { 380157974a55SGregory Greenman struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 380215d41834SJohannes Berg struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 380357974a55SGregory Greenman 380457974a55SGregory Greenman lockdep_assert_held(&mvm->mutex); 380557974a55SGregory Greenman 380615d41834SJohannes Berg mvmsta->authorized = false; 380715d41834SJohannes Berg 380857974a55SGregory Greenman /* once we move into assoc state, need to update rate scale to 380957974a55SGregory Greenman * disable using wide bandwidth 381057974a55SGregory Greenman */ 381115d41834SJohannes Berg iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 381257974a55SGregory Greenman 381357974a55SGregory Greenman if (!sta->tdls) { 381457974a55SGregory Greenman /* Set this but don't call iwl_mvm_mac_ctxt_changed() 381557974a55SGregory Greenman * yet to avoid sending high prio again for a little 381657974a55SGregory Greenman * time. 381757974a55SGregory Greenman */ 381857974a55SGregory Greenman mvmvif->authorized = 0; 381957974a55SGregory Greenman 382057974a55SGregory Greenman /* disable beacon filtering */ 3821fccf5ff1SJohannes Berg iwl_mvm_disable_beacon_filter(mvm, vif, 0); 382257974a55SGregory Greenman } 382357974a55SGregory Greenman 382457974a55SGregory Greenman return 0; 382557974a55SGregory Greenman } 382657974a55SGregory Greenman 382787f7e243SMiri Korenblit /* Common part for MLD and non-MLD modes */ 382887f7e243SMiri Korenblit int iwl_mvm_mac_sta_state_common(struct ieee80211_hw *hw, 382987f7e243SMiri Korenblit struct ieee80211_vif *vif, 383087f7e243SMiri Korenblit struct ieee80211_sta *sta, 383187f7e243SMiri Korenblit enum ieee80211_sta_state old_state, 383287f7e243SMiri Korenblit enum ieee80211_sta_state new_state, 3833a2906ea6SJohannes Berg const struct iwl_mvm_sta_state_ops *callbacks) 383487f7e243SMiri Korenblit { 3835e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3836e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 38376ea29ce5SJohannes Berg struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 383857974a55SGregory Greenman unsigned int link_id; 3839e705c121SKalle Valo int ret; 3840e705c121SKalle Valo 3841e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n", 3842e705c121SKalle Valo sta->addr, old_state, new_state); 3843e705c121SKalle Valo 384424afba76SLiad Kaufman /* 384524afba76SLiad Kaufman * If we are in a STA removal flow and in DQA mode: 384624afba76SLiad Kaufman * 384724afba76SLiad Kaufman * This is after the sync_rcu part, so the queues have already been 384824afba76SLiad Kaufman * flushed. No more TXs on their way in mac80211's path, and no more in 384924afba76SLiad Kaufman * the queues. 385024afba76SLiad Kaufman * Also, we won't be getting any new TX frames for this station. 385124afba76SLiad Kaufman * What we might have are deferred TX frames that need to be taken care 385224afba76SLiad Kaufman * of. 385324afba76SLiad Kaufman * 385424afba76SLiad Kaufman * Drop any still-queued deferred-frame before removing the STA, and 385524afba76SLiad Kaufman * make sure the worker is no longer handling frames for this STA. 385624afba76SLiad Kaufman */ 385724afba76SLiad Kaufman if (old_state == IEEE80211_STA_NONE && 3858c8f54701SJohannes Berg new_state == IEEE80211_STA_NOTEXIST) { 385924afba76SLiad Kaufman flush_work(&mvm->add_stream_wk); 386024afba76SLiad Kaufman 386124afba76SLiad Kaufman /* 386224afba76SLiad Kaufman * No need to make sure deferred TX indication is off since the 386324afba76SLiad Kaufman * worker will already remove it if it was on 386424afba76SLiad Kaufman */ 3865f7d6ef33SJohannes Berg 3866f7d6ef33SJohannes Berg /* 3867f7d6ef33SJohannes Berg * Additionally, reset the 40 MHz capability if we disconnected 3868f7d6ef33SJohannes Berg * from the AP now. 3869f7d6ef33SJohannes Berg */ 3870f7d6ef33SJohannes Berg iwl_mvm_reset_cca_40mhz_workaround(mvm, vif); 3871783336b0SJohannes Berg 3872783336b0SJohannes Berg /* Also free dup data just in case any assertions below fail */ 3873783336b0SJohannes Berg kfree(mvm_sta->dup_data); 387424afba76SLiad Kaufman } 387524afba76SLiad Kaufman 3876e705c121SKalle Valo mutex_lock(&mvm->mutex); 387757974a55SGregory Greenman 387857974a55SGregory Greenman /* this would be a mac80211 bug ... but don't crash */ 387957974a55SGregory Greenman for_each_mvm_vif_valid_link(mvmvif, link_id) { 388057974a55SGregory Greenman if (WARN_ON_ONCE(!mvmvif->link[link_id]->phy_ctxt)) { 388157974a55SGregory Greenman mutex_unlock(&mvm->mutex); 388257974a55SGregory Greenman return test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 388357974a55SGregory Greenman &mvm->status) ? 0 : -EINVAL; 388457974a55SGregory Greenman } 388557974a55SGregory Greenman } 388657974a55SGregory Greenman 38876ea29ce5SJohannes Berg /* track whether or not the station is associated */ 3888d94c5a82SGregory Greenman mvm_sta->sta_state = new_state; 38896ea29ce5SJohannes Berg 3890e705c121SKalle Valo if (old_state == IEEE80211_STA_NOTEXIST && 3891e705c121SKalle Valo new_state == IEEE80211_STA_NONE) { 389257974a55SGregory Greenman ret = iwl_mvm_sta_state_notexist_to_none(mvm, vif, sta, 389357974a55SGregory Greenman callbacks); 389457974a55SGregory Greenman if (ret < 0) 3895e705c121SKalle Valo goto out_unlock; 3896e705c121SKalle Valo } else if (old_state == IEEE80211_STA_NONE && 3897e705c121SKalle Valo new_state == IEEE80211_STA_AUTH) { 3898e705c121SKalle Valo /* 3899e705c121SKalle Valo * EBS may be disabled due to previous failures reported by FW. 3900e705c121SKalle Valo * Reset EBS status here assuming environment has been changed. 3901e705c121SKalle Valo */ 3902e705c121SKalle Valo mvm->last_ebs_successful = true; 3903e705c121SKalle Valo iwl_mvm_check_uapsd(mvm, vif, sta->addr); 3904e705c121SKalle Valo ret = 0; 3905e705c121SKalle Valo } else if (old_state == IEEE80211_STA_AUTH && 3906e705c121SKalle Valo new_state == IEEE80211_STA_ASSOC) { 390757974a55SGregory Greenman ret = iwl_mvm_sta_state_auth_to_assoc(hw, mvm, vif, sta, 390857974a55SGregory Greenman callbacks); 3909e705c121SKalle Valo } else if (old_state == IEEE80211_STA_ASSOC && 3910e705c121SKalle Valo new_state == IEEE80211_STA_AUTHORIZED) { 391157974a55SGregory Greenman ret = iwl_mvm_sta_state_assoc_to_authorized(mvm, vif, sta, 391257974a55SGregory Greenman callbacks); 3913e705c121SKalle Valo } else if (old_state == IEEE80211_STA_AUTHORIZED && 3914e705c121SKalle Valo new_state == IEEE80211_STA_ASSOC) { 391557974a55SGregory Greenman ret = iwl_mvm_sta_state_authorized_to_assoc(mvm, vif, sta, 391657974a55SGregory Greenman callbacks); 3917e705c121SKalle Valo } else if (old_state == IEEE80211_STA_ASSOC && 3918e705c121SKalle Valo new_state == IEEE80211_STA_AUTH) { 39198be30c13SAyala Beker if (vif->type == NL80211_IFTYPE_AP) { 39208be30c13SAyala Beker mvmvif->ap_assoc_sta_count--; 392187f7e243SMiri Korenblit callbacks->mac_ctxt_changed(mvm, vif, false); 3922d5d8ee52SEmmanuel Grumbach } else if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 3923cf7a7457SJohannes Berg iwl_mvm_stop_session_protection(mvm, vif); 3924e705c121SKalle Valo ret = 0; 3925e705c121SKalle Valo } else if (old_state == IEEE80211_STA_AUTH && 3926e705c121SKalle Valo new_state == IEEE80211_STA_NONE) { 3927e705c121SKalle Valo ret = 0; 3928e705c121SKalle Valo } else if (old_state == IEEE80211_STA_NONE && 3929e705c121SKalle Valo new_state == IEEE80211_STA_NOTEXIST) { 39300c9a8f90SJohannes Berg if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) { 3931d5d8ee52SEmmanuel Grumbach iwl_mvm_stop_session_protection(mvm, vif); 39320c9a8f90SJohannes Berg mvmvif->ap_sta = NULL; 39330c9a8f90SJohannes Berg } 393487f7e243SMiri Korenblit ret = callbacks->rm_sta(mvm, vif, sta); 39351e8f1329SGolan Ben-Ami if (sta->tdls) { 3936e705c121SKalle Valo iwl_mvm_recalc_tdls_state(mvm, vif, false); 39371e8f1329SGolan Ben-Ami iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 39381e8f1329SGolan Ben-Ami NL80211_TDLS_DISABLE_LINK); 39391e8f1329SGolan Ben-Ami } 394034a880d8SLiad Kaufman 394144135b7cSIlan Peer if (unlikely(ret && 394244135b7cSIlan Peer test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 394344135b7cSIlan Peer &mvm->status))) 394444135b7cSIlan Peer ret = 0; 3945e705c121SKalle Valo } else { 3946e705c121SKalle Valo ret = -EIO; 3947e705c121SKalle Valo } 3948e705c121SKalle Valo out_unlock: 3949e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3950e705c121SKalle Valo 3951e705c121SKalle Valo if (sta->tdls && ret == 0) { 3952e705c121SKalle Valo if (old_state == IEEE80211_STA_NOTEXIST && 3953e705c121SKalle Valo new_state == IEEE80211_STA_NONE) 3954e705c121SKalle Valo ieee80211_reserve_tid(sta, IWL_MVM_TDLS_FW_TID); 3955e705c121SKalle Valo else if (old_state == IEEE80211_STA_NONE && 3956e705c121SKalle Valo new_state == IEEE80211_STA_NOTEXIST) 3957e705c121SKalle Valo ieee80211_unreserve_tid(sta, IWL_MVM_TDLS_FW_TID); 3958e705c121SKalle Valo } 3959e705c121SKalle Valo 3960e705c121SKalle Valo return ret; 3961e705c121SKalle Valo } 3962e705c121SKalle Valo 3963cbce62a3SMiri Korenblit int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 3964e705c121SKalle Valo { 3965e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3966e705c121SKalle Valo 3967e705c121SKalle Valo mvm->rts_threshold = value; 3968e705c121SKalle Valo 3969e705c121SKalle Valo return 0; 3970e705c121SKalle Valo } 3971e705c121SKalle Valo 3972cbce62a3SMiri Korenblit void iwl_mvm_sta_rc_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 3973e705c121SKalle Valo struct ieee80211_sta *sta, u32 changed) 3974e705c121SKalle Valo { 3975e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3976dcfe3b10SJohannes Berg 3977dcfe3b10SJohannes Berg if (changed & (IEEE80211_RC_BW_CHANGED | 3978dcfe3b10SJohannes Berg IEEE80211_RC_SUPP_RATES_CHANGED | 3979dcfe3b10SJohannes Berg IEEE80211_RC_NSS_CHANGED)) 398015d41834SJohannes Berg iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 3981e705c121SKalle Valo 3982e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_STATION && 3983e705c121SKalle Valo changed & IEEE80211_RC_NSS_CHANGED) 3984e705c121SKalle Valo iwl_mvm_sf_update(mvm, vif, false); 3985e705c121SKalle Valo } 3986e705c121SKalle Valo 3987e705c121SKalle Valo static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw, 3988b3e2130bSJohannes Berg struct ieee80211_vif *vif, 3989b3e2130bSJohannes Berg unsigned int link_id, u16 ac, 3990e705c121SKalle Valo const struct ieee80211_tx_queue_params *params) 3991e705c121SKalle Valo { 3992e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3993e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3994e705c121SKalle Valo 3995650cadb7SGregory Greenman mvmvif->deflink.queue_params[ac] = *params; 3996e705c121SKalle Valo 3997e705c121SKalle Valo /* 3998e705c121SKalle Valo * No need to update right away, we'll get BSS_CHANGED_QOS 3999e705c121SKalle Valo * The exception is P2P_DEVICE interface which needs immediate update. 4000e705c121SKalle Valo */ 4001e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 4002e705c121SKalle Valo int ret; 4003e705c121SKalle Valo 4004e705c121SKalle Valo mutex_lock(&mvm->mutex); 4005e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 4006e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4007e705c121SKalle Valo return ret; 4008e705c121SKalle Valo } 4009e705c121SKalle Valo return 0; 4010e705c121SKalle Valo } 4011e705c121SKalle Valo 4012cbce62a3SMiri Korenblit void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw, 4013d4e36e55SIlan Peer struct ieee80211_vif *vif, 401415fae341SJohannes Berg struct ieee80211_prep_tx_info *info) 4015e705c121SKalle Valo { 4016e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4017d4e36e55SIlan Peer 4018e705c121SKalle Valo mutex_lock(&mvm->mutex); 4019af84ac57SJohannes Berg iwl_mvm_protect_assoc(mvm, vif, info->duration); 4020e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4021e705c121SKalle Valo } 4022e705c121SKalle Valo 4023cbce62a3SMiri Korenblit void iwl_mvm_mac_mgd_complete_tx(struct ieee80211_hw *hw, 40246b1259d1SJohannes Berg struct ieee80211_vif *vif, 40256b1259d1SJohannes Berg struct ieee80211_prep_tx_info *info) 40266b1259d1SJohannes Berg { 40276b1259d1SJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 40286b1259d1SJohannes Berg 40296b1259d1SJohannes Berg /* for successful cases (auth/assoc), don't cancel session protection */ 40306b1259d1SJohannes Berg if (info->success) 40316b1259d1SJohannes Berg return; 40326b1259d1SJohannes Berg 40336b1259d1SJohannes Berg mutex_lock(&mvm->mutex); 40346b1259d1SJohannes Berg iwl_mvm_stop_session_protection(mvm, vif); 40356b1259d1SJohannes Berg mutex_unlock(&mvm->mutex); 40366b1259d1SJohannes Berg } 40376b1259d1SJohannes Berg 4038cbce62a3SMiri Korenblit int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw, 4039e705c121SKalle Valo struct ieee80211_vif *vif, 4040e705c121SKalle Valo struct cfg80211_sched_scan_request *req, 4041e705c121SKalle Valo struct ieee80211_scan_ies *ies) 4042e705c121SKalle Valo { 4043e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4044e705c121SKalle Valo 4045e705c121SKalle Valo int ret; 4046e705c121SKalle Valo 4047e705c121SKalle Valo mutex_lock(&mvm->mutex); 4048e705c121SKalle Valo 4049f276e20bSJohannes Berg if (!vif->cfg.idle) { 4050e705c121SKalle Valo ret = -EBUSY; 4051e705c121SKalle Valo goto out; 4052e705c121SKalle Valo } 4053e705c121SKalle Valo 4054e705c121SKalle Valo ret = iwl_mvm_sched_scan_start(mvm, vif, req, ies, IWL_MVM_SCAN_SCHED); 4055e705c121SKalle Valo 4056e705c121SKalle Valo out: 4057e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4058e705c121SKalle Valo return ret; 4059e705c121SKalle Valo } 4060e705c121SKalle Valo 4061cbce62a3SMiri Korenblit int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw, 4062e705c121SKalle Valo struct ieee80211_vif *vif) 4063e705c121SKalle Valo { 4064e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4065e705c121SKalle Valo int ret; 4066e705c121SKalle Valo 4067e705c121SKalle Valo mutex_lock(&mvm->mutex); 4068e705c121SKalle Valo 4069e705c121SKalle Valo /* Due to a race condition, it's possible that mac80211 asks 4070e705c121SKalle Valo * us to stop a sched_scan when it's already stopped. This 4071e705c121SKalle Valo * can happen, for instance, if we stopped the scan ourselves, 4072e705c121SKalle Valo * called ieee80211_sched_scan_stopped() and the userspace called 4073e705c121SKalle Valo * stop sched scan scan before ieee80211_sched_scan_stopped_work() 4074e705c121SKalle Valo * could run. To handle this, simply return if the scan is 4075e705c121SKalle Valo * not running. 4076e705c121SKalle Valo */ 4077e705c121SKalle Valo if (!(mvm->scan_status & IWL_MVM_SCAN_SCHED)) { 4078e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4079e705c121SKalle Valo return 0; 4080e705c121SKalle Valo } 4081e705c121SKalle Valo 4082e705c121SKalle Valo ret = iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, false); 4083e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4084e705c121SKalle Valo iwl_mvm_wait_for_async_handlers(mvm); 4085e705c121SKalle Valo 4086e705c121SKalle Valo return ret; 4087e705c121SKalle Valo } 4088e705c121SKalle Valo 40896569e7d3SJohannes Berg static int __iwl_mvm_mac_set_key(struct ieee80211_hw *hw, 4090e705c121SKalle Valo enum set_key_cmd cmd, 4091e705c121SKalle Valo struct ieee80211_vif *vif, 4092e705c121SKalle Valo struct ieee80211_sta *sta, 4093e705c121SKalle Valo struct ieee80211_key_conf *key) 4094e705c121SKalle Valo { 4095c56e00a3SJohannes Berg struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4096e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 409746c7b05aSEmmanuel Grumbach struct iwl_mvm_sta *mvmsta = NULL; 4098d066a530SJohannes Berg struct iwl_mvm_key_pn *ptk_pn = NULL; 4099f5e28eacSJohannes Berg int keyidx = key->keyidx; 41005c75a208SJohannes Berg u32 sec_key_id = WIDE_ID(DATA_PATH_GROUP, SEC_KEY_CMD); 41015c75a208SJohannes Berg u8 sec_key_ver = iwl_fw_lookup_cmd_ver(mvm->fw, sec_key_id, 0); 4102c56e00a3SJohannes Berg int ret, i; 41034615fd15SEmmanuel Grumbach u8 key_offset; 4104e705c121SKalle Valo 410546c7b05aSEmmanuel Grumbach if (sta) 41066d19a5ebSEmmanuel Grumbach mvmsta = iwl_mvm_sta_from_mac80211(sta); 41076d19a5ebSEmmanuel Grumbach 4108e705c121SKalle Valo switch (key->cipher) { 4109e705c121SKalle Valo case WLAN_CIPHER_SUITE_TKIP: 4110286ca8ebSLuca Coelho if (!mvm->trans->trans_cfg->gen2) { 4111e705c121SKalle Valo key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 41121ad4f639SEliad Peller key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 41137f768ad5SDavid Spinadel } else if (vif->type == NL80211_IFTYPE_STATION) { 41147f768ad5SDavid Spinadel key->flags |= IEEE80211_KEY_FLAG_PUT_MIC_SPACE; 41157f768ad5SDavid Spinadel } else { 41167f768ad5SDavid Spinadel IWL_DEBUG_MAC80211(mvm, "Use SW encryption for TKIP\n"); 41177f768ad5SDavid Spinadel return -EOPNOTSUPP; 41187f768ad5SDavid Spinadel } 4119e705c121SKalle Valo break; 4120e705c121SKalle Valo case WLAN_CIPHER_SUITE_CCMP: 41212a53d166SAyala Beker case WLAN_CIPHER_SUITE_GCMP: 41222a53d166SAyala Beker case WLAN_CIPHER_SUITE_GCMP_256: 412385aeb58cSDavid Spinadel if (!iwl_mvm_has_new_tx_api(mvm)) 4124e705c121SKalle Valo key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 4125e705c121SKalle Valo break; 4126e705c121SKalle Valo case WLAN_CIPHER_SUITE_AES_CMAC: 41278e160ab8SAyala Beker case WLAN_CIPHER_SUITE_BIP_GMAC_128: 41288e160ab8SAyala Beker case WLAN_CIPHER_SUITE_BIP_GMAC_256: 4129e705c121SKalle Valo WARN_ON_ONCE(!ieee80211_hw_check(hw, MFP_CAPABLE)); 4130e705c121SKalle Valo break; 4131e705c121SKalle Valo case WLAN_CIPHER_SUITE_WEP40: 4132e705c121SKalle Valo case WLAN_CIPHER_SUITE_WEP104: 4133475c6bdeSJohannes Berg if (vif->type == NL80211_IFTYPE_STATION) 4134e705c121SKalle Valo break; 4135475c6bdeSJohannes Berg if (iwl_mvm_has_new_tx_api(mvm)) 4136475c6bdeSJohannes Berg return -EOPNOTSUPP; 4137475c6bdeSJohannes Berg /* support HW crypto on TX */ 4138475c6bdeSJohannes Berg return 0; 4139e705c121SKalle Valo default: 4140e705c121SKalle Valo return -EOPNOTSUPP; 4141e705c121SKalle Valo } 4142e705c121SKalle Valo 4143e705c121SKalle Valo switch (cmd) { 4144e705c121SKalle Valo case SET_KEY: 4145a5de7de7SJohannes Berg if (vif->type == NL80211_IFTYPE_STATION && 4146a5de7de7SJohannes Berg (keyidx == 6 || keyidx == 7)) 4147b1fdc250SJohannes Berg rcu_assign_pointer(mvmvif->bcn_prot.keys[keyidx - 6], 4148b1fdc250SJohannes Berg key); 4149b1fdc250SJohannes Berg 4150e705c121SKalle Valo if ((vif->type == NL80211_IFTYPE_ADHOC || 4151e705c121SKalle Valo vif->type == NL80211_IFTYPE_AP) && !sta) { 4152e705c121SKalle Valo /* 4153e705c121SKalle Valo * GTK on AP interface is a TX-only key, return 0; 4154e705c121SKalle Valo * on IBSS they're per-station and because we're lazy 4155e705c121SKalle Valo * we don't support them for RX, so do the same. 41568e160ab8SAyala Beker * CMAC/GMAC in AP/IBSS modes must be done in software. 4157a5de7de7SJohannes Berg * 4158a5de7de7SJohannes Berg * Except, of course, beacon protection - it must be 4159a5de7de7SJohannes Berg * offloaded since we just set a beacon template. 4160e705c121SKalle Valo */ 4161a5de7de7SJohannes Berg if (keyidx < 6 && 4162a5de7de7SJohannes Berg (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC || 41638e160ab8SAyala Beker key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 || 4164a5de7de7SJohannes Berg key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256)) { 416581279c49SJohannes Berg ret = -EOPNOTSUPP; 4166a1c2ff30SAndrei Otcheretianski break; 4167a1c2ff30SAndrei Otcheretianski } 416885aeb58cSDavid Spinadel 416985aeb58cSDavid Spinadel if (key->cipher != WLAN_CIPHER_SUITE_GCMP && 417085aeb58cSDavid Spinadel key->cipher != WLAN_CIPHER_SUITE_GCMP_256 && 417185aeb58cSDavid Spinadel !iwl_mvm_has_new_tx_api(mvm)) { 4172e705c121SKalle Valo key->hw_key_idx = STA_KEY_IDX_INVALID; 4173a1c2ff30SAndrei Otcheretianski ret = 0; 4174e705c121SKalle Valo break; 4175e705c121SKalle Valo } 4176c56e00a3SJohannes Berg 4177c56e00a3SJohannes Berg if (!mvmvif->ap_ibss_active) { 4178c56e00a3SJohannes Berg for (i = 0; 4179c56e00a3SJohannes Berg i < ARRAY_SIZE(mvmvif->ap_early_keys); 4180c56e00a3SJohannes Berg i++) { 4181c56e00a3SJohannes Berg if (!mvmvif->ap_early_keys[i]) { 4182c56e00a3SJohannes Berg mvmvif->ap_early_keys[i] = key; 4183c56e00a3SJohannes Berg break; 4184c56e00a3SJohannes Berg } 4185c56e00a3SJohannes Berg } 4186c56e00a3SJohannes Berg 4187c56e00a3SJohannes Berg if (i >= ARRAY_SIZE(mvmvif->ap_early_keys)) 4188c56e00a3SJohannes Berg ret = -ENOSPC; 4189a1c2ff30SAndrei Otcheretianski else 4190a1c2ff30SAndrei Otcheretianski ret = 0; 4191c56e00a3SJohannes Berg 4192c56e00a3SJohannes Berg break; 4193c56e00a3SJohannes Berg } 419485aeb58cSDavid Spinadel } 4195e705c121SKalle Valo 4196e705c121SKalle Valo /* During FW restart, in order to restore the state as it was, 4197e705c121SKalle Valo * don't try to reprogram keys we previously failed for. 4198e705c121SKalle Valo */ 4199e705c121SKalle Valo if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 4200e705c121SKalle Valo key->hw_key_idx == STA_KEY_IDX_INVALID) { 4201e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, 4202e705c121SKalle Valo "skip invalid idx key programming during restart\n"); 4203e705c121SKalle Valo ret = 0; 4204e705c121SKalle Valo break; 4205e705c121SKalle Valo } 4206e705c121SKalle Valo 4207f5e28eacSJohannes Berg if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 420846c7b05aSEmmanuel Grumbach mvmsta && iwl_mvm_has_new_rx_api(mvm) && 4209f5e28eacSJohannes Berg key->flags & IEEE80211_KEY_FLAG_PAIRWISE && 4210f5e28eacSJohannes Berg (key->cipher == WLAN_CIPHER_SUITE_CCMP || 42112a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP || 42122a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { 4213f5e28eacSJohannes Berg struct ieee80211_key_seq seq; 4214f5e28eacSJohannes Berg int tid, q; 4215f5e28eacSJohannes Berg 4216f5e28eacSJohannes Berg WARN_ON(rcu_access_pointer(mvmsta->ptk_pn[keyidx])); 4217acafe7e3SKees Cook ptk_pn = kzalloc(struct_size(ptk_pn, q, 4218acafe7e3SKees Cook mvm->trans->num_rx_queues), 4219f5e28eacSJohannes Berg GFP_KERNEL); 4220f5e28eacSJohannes Berg if (!ptk_pn) { 4221f5e28eacSJohannes Berg ret = -ENOMEM; 4222f5e28eacSJohannes Berg break; 4223f5e28eacSJohannes Berg } 4224f5e28eacSJohannes Berg 4225f5e28eacSJohannes Berg for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { 4226f5e28eacSJohannes Berg ieee80211_get_key_rx_seq(key, tid, &seq); 4227f5e28eacSJohannes Berg for (q = 0; q < mvm->trans->num_rx_queues; q++) 4228f5e28eacSJohannes Berg memcpy(ptk_pn->q[q].pn[tid], 4229f5e28eacSJohannes Berg seq.ccmp.pn, 4230f5e28eacSJohannes Berg IEEE80211_CCMP_PN_LEN); 4231f5e28eacSJohannes Berg } 4232f5e28eacSJohannes Berg 4233f5e28eacSJohannes Berg rcu_assign_pointer(mvmsta->ptk_pn[keyidx], ptk_pn); 4234f5e28eacSJohannes Berg } 4235f5e28eacSJohannes Berg 42364615fd15SEmmanuel Grumbach /* in HW restart reuse the index, otherwise request a new one */ 42374615fd15SEmmanuel Grumbach if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 42384615fd15SEmmanuel Grumbach key_offset = key->hw_key_idx; 42394615fd15SEmmanuel Grumbach else 42404615fd15SEmmanuel Grumbach key_offset = STA_KEY_IDX_INVALID; 42414615fd15SEmmanuel Grumbach 424246c7b05aSEmmanuel Grumbach if (mvmsta && key->flags & IEEE80211_KEY_FLAG_PAIRWISE) 42436d19a5ebSEmmanuel Grumbach mvmsta->pairwise_cipher = key->cipher; 42446d19a5ebSEmmanuel Grumbach 4245a5de7de7SJohannes Berg IWL_DEBUG_MAC80211(mvm, "set hwcrypto key (sta:%pM, id:%d)\n", 4246a5de7de7SJohannes Berg sta ? sta->addr : NULL, key->keyidx); 42475c75a208SJohannes Berg 42485c75a208SJohannes Berg if (sec_key_ver) 42495c75a208SJohannes Berg ret = iwl_mvm_sec_key_add(mvm, vif, sta, key); 42505c75a208SJohannes Berg else 42514615fd15SEmmanuel Grumbach ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, key_offset); 42525c75a208SJohannes Berg 4253e705c121SKalle Valo if (ret) { 4254e705c121SKalle Valo IWL_WARN(mvm, "set key failed\n"); 4255475c6bdeSJohannes Berg key->hw_key_idx = STA_KEY_IDX_INVALID; 4256d066a530SJohannes Berg if (ptk_pn) { 4257d066a530SJohannes Berg RCU_INIT_POINTER(mvmsta->ptk_pn[keyidx], NULL); 4258d066a530SJohannes Berg kfree(ptk_pn); 4259d066a530SJohannes Berg } 4260e705c121SKalle Valo /* 4261e705c121SKalle Valo * can't add key for RX, but we don't need it 4262475c6bdeSJohannes Berg * in the device for TX so still return 0, 4263475c6bdeSJohannes Berg * unless we have new TX API where we cannot 4264475c6bdeSJohannes Berg * put key material into the TX_CMD 4265e705c121SKalle Valo */ 4266475c6bdeSJohannes Berg if (iwl_mvm_has_new_tx_api(mvm)) 4267475c6bdeSJohannes Berg ret = -EOPNOTSUPP; 4268475c6bdeSJohannes Berg else 4269e705c121SKalle Valo ret = 0; 4270e705c121SKalle Valo } 4271e705c121SKalle Valo 4272e705c121SKalle Valo break; 4273e705c121SKalle Valo case DISABLE_KEY: 4274a5de7de7SJohannes Berg if (vif->type == NL80211_IFTYPE_STATION && 4275a5de7de7SJohannes Berg (keyidx == 6 || keyidx == 7)) 4276b1fdc250SJohannes Berg RCU_INIT_POINTER(mvmvif->bcn_prot.keys[keyidx - 6], 4277b1fdc250SJohannes Berg NULL); 4278b1fdc250SJohannes Berg 4279c56e00a3SJohannes Berg ret = -ENOENT; 4280c56e00a3SJohannes Berg for (i = 0; i < ARRAY_SIZE(mvmvif->ap_early_keys); i++) { 4281c56e00a3SJohannes Berg if (mvmvif->ap_early_keys[i] == key) { 4282c56e00a3SJohannes Berg mvmvif->ap_early_keys[i] = NULL; 4283c56e00a3SJohannes Berg ret = 0; 4284c56e00a3SJohannes Berg } 4285c56e00a3SJohannes Berg } 4286c56e00a3SJohannes Berg 4287c56e00a3SJohannes Berg /* found in pending list - don't do anything else */ 4288c56e00a3SJohannes Berg if (ret == 0) 4289c56e00a3SJohannes Berg break; 4290c56e00a3SJohannes Berg 4291e705c121SKalle Valo if (key->hw_key_idx == STA_KEY_IDX_INVALID) { 4292e705c121SKalle Valo ret = 0; 4293e705c121SKalle Valo break; 4294e705c121SKalle Valo } 4295e705c121SKalle Valo 429646c7b05aSEmmanuel Grumbach if (mvmsta && iwl_mvm_has_new_rx_api(mvm) && 4297f5e28eacSJohannes Berg key->flags & IEEE80211_KEY_FLAG_PAIRWISE && 4298f5e28eacSJohannes Berg (key->cipher == WLAN_CIPHER_SUITE_CCMP || 42992a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP || 43002a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { 4301f5e28eacSJohannes Berg ptk_pn = rcu_dereference_protected( 4302f5e28eacSJohannes Berg mvmsta->ptk_pn[keyidx], 4303f5e28eacSJohannes Berg lockdep_is_held(&mvm->mutex)); 4304f5e28eacSJohannes Berg RCU_INIT_POINTER(mvmsta->ptk_pn[keyidx], NULL); 4305f5e28eacSJohannes Berg if (ptk_pn) 4306f5e28eacSJohannes Berg kfree_rcu(ptk_pn, rcu_head); 4307f5e28eacSJohannes Berg } 4308f5e28eacSJohannes Berg 4309e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n"); 43105c75a208SJohannes Berg if (sec_key_ver) 43115c75a208SJohannes Berg ret = iwl_mvm_sec_key_del(mvm, vif, sta, key); 43125c75a208SJohannes Berg else 4313e705c121SKalle Valo ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key); 4314e705c121SKalle Valo break; 4315e705c121SKalle Valo default: 4316e705c121SKalle Valo ret = -EINVAL; 4317e705c121SKalle Valo } 4318e705c121SKalle Valo 43196569e7d3SJohannes Berg return ret; 43206569e7d3SJohannes Berg } 43216569e7d3SJohannes Berg 4322cbce62a3SMiri Korenblit int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 4323cbce62a3SMiri Korenblit struct ieee80211_vif *vif, struct ieee80211_sta *sta, 43246569e7d3SJohannes Berg struct ieee80211_key_conf *key) 43256569e7d3SJohannes Berg { 43266569e7d3SJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 43276569e7d3SJohannes Berg int ret; 43286569e7d3SJohannes Berg 43296569e7d3SJohannes Berg mutex_lock(&mvm->mutex); 43306569e7d3SJohannes Berg ret = __iwl_mvm_mac_set_key(hw, cmd, vif, sta, key); 4331e705c121SKalle Valo mutex_unlock(&mvm->mutex); 43326569e7d3SJohannes Berg 4333e705c121SKalle Valo return ret; 4334e705c121SKalle Valo } 4335e705c121SKalle Valo 4336cbce62a3SMiri Korenblit void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw, 4337e705c121SKalle Valo struct ieee80211_vif *vif, 4338e705c121SKalle Valo struct ieee80211_key_conf *keyconf, 4339e705c121SKalle Valo struct ieee80211_sta *sta, 4340e705c121SKalle Valo u32 iv32, u16 *phase1key) 4341e705c121SKalle Valo { 4342e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4343e705c121SKalle Valo 4344e705c121SKalle Valo if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID) 4345e705c121SKalle Valo return; 4346e705c121SKalle Valo 4347e705c121SKalle Valo iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key); 4348e705c121SKalle Valo } 4349e705c121SKalle Valo 4350e705c121SKalle Valo 4351e705c121SKalle Valo static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data *notif_wait, 4352e705c121SKalle Valo struct iwl_rx_packet *pkt, void *data) 4353e705c121SKalle Valo { 4354e705c121SKalle Valo struct iwl_mvm *mvm = 4355e705c121SKalle Valo container_of(notif_wait, struct iwl_mvm, notif_wait); 4356e705c121SKalle Valo struct iwl_hs20_roc_res *resp; 4357e705c121SKalle Valo int resp_len = iwl_rx_packet_payload_len(pkt); 4358e705c121SKalle Valo struct iwl_mvm_time_event_data *te_data = data; 4359e705c121SKalle Valo 4360e705c121SKalle Valo if (WARN_ON(pkt->hdr.cmd != HOT_SPOT_CMD)) 4361e705c121SKalle Valo return true; 4362e705c121SKalle Valo 4363e705c121SKalle Valo if (WARN_ON_ONCE(resp_len != sizeof(*resp))) { 4364e705c121SKalle Valo IWL_ERR(mvm, "Invalid HOT_SPOT_CMD response\n"); 4365e705c121SKalle Valo return true; 4366e705c121SKalle Valo } 4367e705c121SKalle Valo 4368e705c121SKalle Valo resp = (void *)pkt->data; 4369e705c121SKalle Valo 4370e705c121SKalle Valo IWL_DEBUG_TE(mvm, 4371b71a9c35SColin Ian King "Aux ROC: Received response from ucode: status=%d uid=%d\n", 4372e705c121SKalle Valo resp->status, resp->event_unique_id); 4373e705c121SKalle Valo 4374e705c121SKalle Valo te_data->uid = le32_to_cpu(resp->event_unique_id); 4375e705c121SKalle Valo IWL_DEBUG_TE(mvm, "TIME_EVENT_CMD response - UID = 0x%x\n", 4376e705c121SKalle Valo te_data->uid); 4377e705c121SKalle Valo 4378e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 4379e705c121SKalle Valo list_add_tail(&te_data->list, &mvm->aux_roc_te_list); 4380e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 4381e705c121SKalle Valo 4382e705c121SKalle Valo return true; 4383e705c121SKalle Valo } 4384e705c121SKalle Valo 4385dc28e12fSMatti Gottlieb #define AUX_ROC_MIN_DURATION MSEC_TO_TU(100) 4386dc28e12fSMatti Gottlieb #define AUX_ROC_MIN_DELAY MSEC_TO_TU(200) 4387dc28e12fSMatti Gottlieb #define AUX_ROC_MAX_DELAY MSEC_TO_TU(600) 4388dc28e12fSMatti Gottlieb #define AUX_ROC_SAFETY_BUFFER MSEC_TO_TU(20) 4389dc28e12fSMatti Gottlieb #define AUX_ROC_MIN_SAFETY_BUFFER MSEC_TO_TU(10) 4390e705c121SKalle Valo static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm, 4391e705c121SKalle Valo struct ieee80211_channel *channel, 4392e705c121SKalle Valo struct ieee80211_vif *vif, 4393e705c121SKalle Valo int duration) 4394e705c121SKalle Valo { 4395afc1e3b4SAvraham Stern int res; 4396e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4397e705c121SKalle Valo struct iwl_mvm_time_event_data *te_data = &mvmvif->hs_time_event_data; 4398e705c121SKalle Valo static const u16 time_event_response[] = { HOT_SPOT_CMD }; 4399e705c121SKalle Valo struct iwl_notification_wait wait_time_event; 4400dc28e12fSMatti Gottlieb u32 dtim_interval = vif->bss_conf.dtim_period * 4401dc28e12fSMatti Gottlieb vif->bss_conf.beacon_int; 4402dc28e12fSMatti Gottlieb u32 req_dur, delay; 4403e705c121SKalle Valo struct iwl_hs20_roc_req aux_roc_req = { 4404e705c121SKalle Valo .action = cpu_to_le32(FW_CTXT_ACTION_ADD), 4405e705c121SKalle Valo .id_and_color = 4406e705c121SKalle Valo cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX, 0)), 4407e705c121SKalle Valo .sta_id_and_color = cpu_to_le32(mvm->aux_sta.sta_id), 4408e705c121SKalle Valo }; 440957e861d9SDavid Spinadel struct iwl_hs20_roc_req_tail *tail = iwl_mvm_chan_info_cmd_tail(mvm, 441057e861d9SDavid Spinadel &aux_roc_req.channel_info); 441157e861d9SDavid Spinadel u16 len = sizeof(aux_roc_req) - iwl_mvm_chan_info_padding(mvm); 441257e861d9SDavid Spinadel 441357e861d9SDavid Spinadel /* Set the channel info data */ 441457e861d9SDavid Spinadel iwl_mvm_set_chan_info(mvm, &aux_roc_req.channel_info, channel->hw_value, 44153717f91aSTova Mussai iwl_mvm_phy_band_from_nl80211(channel->band), 44167ac87575SJohannes Berg IWL_PHY_CHANNEL_MODE20, 441757e861d9SDavid Spinadel 0); 441857e861d9SDavid Spinadel 441957e861d9SDavid Spinadel /* Set the time and duration */ 4420afc1e3b4SAvraham Stern tail->apply_time = cpu_to_le32(iwl_mvm_get_systime(mvm)); 4421e705c121SKalle Valo 4422dc28e12fSMatti Gottlieb delay = AUX_ROC_MIN_DELAY; 4423dc28e12fSMatti Gottlieb req_dur = MSEC_TO_TU(duration); 4424dc28e12fSMatti Gottlieb 4425dc28e12fSMatti Gottlieb /* 4426dc28e12fSMatti Gottlieb * If we are associated we want the delay time to be at least one 4427dc28e12fSMatti Gottlieb * dtim interval so that the FW can wait until after the DTIM and 4428dc28e12fSMatti Gottlieb * then start the time event, this will potentially allow us to 4429dc28e12fSMatti Gottlieb * remain off-channel for the max duration. 4430dc28e12fSMatti Gottlieb * Since we want to use almost a whole dtim interval we would also 4431dc28e12fSMatti Gottlieb * like the delay to be for 2-3 dtim intervals, in case there are 4432dc28e12fSMatti Gottlieb * other time events with higher priority. 4433dc28e12fSMatti Gottlieb */ 4434f276e20bSJohannes Berg if (vif->cfg.assoc) { 4435dc28e12fSMatti Gottlieb delay = min_t(u32, dtim_interval * 3, AUX_ROC_MAX_DELAY); 4436dc28e12fSMatti Gottlieb /* We cannot remain off-channel longer than the DTIM interval */ 4437dc28e12fSMatti Gottlieb if (dtim_interval <= req_dur) { 4438dc28e12fSMatti Gottlieb req_dur = dtim_interval - AUX_ROC_SAFETY_BUFFER; 4439dc28e12fSMatti Gottlieb if (req_dur <= AUX_ROC_MIN_DURATION) 4440dc28e12fSMatti Gottlieb req_dur = dtim_interval - 4441dc28e12fSMatti Gottlieb AUX_ROC_MIN_SAFETY_BUFFER; 4442dc28e12fSMatti Gottlieb } 4443dc28e12fSMatti Gottlieb } 4444dc28e12fSMatti Gottlieb 444557e861d9SDavid Spinadel tail->duration = cpu_to_le32(req_dur); 444657e861d9SDavid Spinadel tail->apply_time_max_delay = cpu_to_le32(delay); 4447dc28e12fSMatti Gottlieb 4448dc28e12fSMatti Gottlieb IWL_DEBUG_TE(mvm, 4449903b3f9bSEmmanuel Grumbach "ROC: Requesting to remain on channel %u for %ums\n", 4450903b3f9bSEmmanuel Grumbach channel->hw_value, req_dur); 4451903b3f9bSEmmanuel Grumbach IWL_DEBUG_TE(mvm, 4452903b3f9bSEmmanuel Grumbach "\t(requested = %ums, max_delay = %ums, dtim_interval = %ums)\n", 4453903b3f9bSEmmanuel Grumbach duration, delay, dtim_interval); 4454903b3f9bSEmmanuel Grumbach 4455e705c121SKalle Valo /* Set the node address */ 445657e861d9SDavid Spinadel memcpy(tail->node_addr, vif->addr, ETH_ALEN); 4457e705c121SKalle Valo 4458e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 4459e705c121SKalle Valo 4460e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 4461e705c121SKalle Valo 4462e705c121SKalle Valo if (WARN_ON(te_data->id == HOT_SPOT_CMD)) { 4463e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 4464e705c121SKalle Valo return -EIO; 4465e705c121SKalle Valo } 4466e705c121SKalle Valo 4467e705c121SKalle Valo te_data->vif = vif; 4468e705c121SKalle Valo te_data->duration = duration; 4469e705c121SKalle Valo te_data->id = HOT_SPOT_CMD; 4470e705c121SKalle Valo 4471e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 4472e705c121SKalle Valo 4473e705c121SKalle Valo /* 4474e705c121SKalle Valo * Use a notification wait, which really just processes the 4475e705c121SKalle Valo * command response and doesn't wait for anything, in order 4476e705c121SKalle Valo * to be able to process the response and get the UID inside 4477e705c121SKalle Valo * the RX path. Using CMD_WANT_SKB doesn't work because it 4478e705c121SKalle Valo * stores the buffer and then wakes up this thread, by which 4479e705c121SKalle Valo * time another notification (that the time event started) 4480e705c121SKalle Valo * might already be processed unsuccessfully. 4481e705c121SKalle Valo */ 4482e705c121SKalle Valo iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event, 4483e705c121SKalle Valo time_event_response, 4484e705c121SKalle Valo ARRAY_SIZE(time_event_response), 4485e705c121SKalle Valo iwl_mvm_rx_aux_roc, te_data); 4486e705c121SKalle Valo 448757e861d9SDavid Spinadel res = iwl_mvm_send_cmd_pdu(mvm, HOT_SPOT_CMD, 0, len, 4488e705c121SKalle Valo &aux_roc_req); 4489e705c121SKalle Valo 4490e705c121SKalle Valo if (res) { 4491e705c121SKalle Valo IWL_ERR(mvm, "Couldn't send HOT_SPOT_CMD: %d\n", res); 4492e705c121SKalle Valo iwl_remove_notification(&mvm->notif_wait, &wait_time_event); 4493e705c121SKalle Valo goto out_clear_te; 4494e705c121SKalle Valo } 4495e705c121SKalle Valo 4496e705c121SKalle Valo /* No need to wait for anything, so just pass 1 (0 isn't valid) */ 4497e705c121SKalle Valo res = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1); 4498e705c121SKalle Valo /* should never fail */ 4499e705c121SKalle Valo WARN_ON_ONCE(res); 4500e705c121SKalle Valo 4501e705c121SKalle Valo if (res) { 4502e705c121SKalle Valo out_clear_te: 4503e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 4504e705c121SKalle Valo iwl_mvm_te_clear_data(mvm, te_data); 4505e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 4506e705c121SKalle Valo } 4507e705c121SKalle Valo 4508e705c121SKalle Valo return res; 4509e705c121SKalle Valo } 4510e705c121SKalle Valo 4511feebebaeSMiri Korenblit static int iwl_mvm_add_aux_sta_for_hs20(struct iwl_mvm *mvm, u32 lmac_id) 4512feebebaeSMiri Korenblit { 4513feebebaeSMiri Korenblit int ret = 0; 4514feebebaeSMiri Korenblit 4515feebebaeSMiri Korenblit lockdep_assert_held(&mvm->mutex); 4516feebebaeSMiri Korenblit 4517feebebaeSMiri Korenblit if (!fw_has_capa(&mvm->fw->ucode_capa, 4518feebebaeSMiri Korenblit IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT)) { 4519feebebaeSMiri Korenblit IWL_ERR(mvm, "hotspot not supported\n"); 4520feebebaeSMiri Korenblit return -EINVAL; 4521feebebaeSMiri Korenblit } 4522feebebaeSMiri Korenblit 4523feebebaeSMiri Korenblit if (iwl_fw_lookup_cmd_ver(mvm->fw, ADD_STA, 0) >= 12) { 4524feebebaeSMiri Korenblit ret = iwl_mvm_add_aux_sta(mvm, lmac_id); 4525feebebaeSMiri Korenblit WARN(ret, "Failed to allocate aux station"); 4526feebebaeSMiri Korenblit } 4527feebebaeSMiri Korenblit 4528feebebaeSMiri Korenblit return ret; 4529feebebaeSMiri Korenblit } 4530feebebaeSMiri Korenblit 4531feebebaeSMiri Korenblit static int iwl_mvm_roc_switch_binding(struct iwl_mvm *mvm, 4532feebebaeSMiri Korenblit struct ieee80211_vif *vif, 4533feebebaeSMiri Korenblit struct iwl_mvm_phy_ctxt *new_phy_ctxt) 4534feebebaeSMiri Korenblit { 4535feebebaeSMiri Korenblit struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4536feebebaeSMiri Korenblit int ret = 0; 4537feebebaeSMiri Korenblit 4538feebebaeSMiri Korenblit lockdep_assert_held(&mvm->mutex); 4539feebebaeSMiri Korenblit 4540feebebaeSMiri Korenblit /* Unbind the P2P_DEVICE from the current PHY context, 4541feebebaeSMiri Korenblit * and if the PHY context is not used remove it. 4542feebebaeSMiri Korenblit */ 4543feebebaeSMiri Korenblit ret = iwl_mvm_binding_remove_vif(mvm, vif); 4544feebebaeSMiri Korenblit if (WARN(ret, "Failed unbinding P2P_DEVICE\n")) 4545feebebaeSMiri Korenblit return ret; 4546feebebaeSMiri Korenblit 4547feebebaeSMiri Korenblit iwl_mvm_phy_ctxt_unref(mvm, mvmvif->deflink.phy_ctxt); 4548feebebaeSMiri Korenblit 4549feebebaeSMiri Korenblit /* Bind the P2P_DEVICE to the current PHY Context */ 4550feebebaeSMiri Korenblit mvmvif->deflink.phy_ctxt = new_phy_ctxt; 4551feebebaeSMiri Korenblit 4552feebebaeSMiri Korenblit ret = iwl_mvm_binding_add_vif(mvm, vif); 4553feebebaeSMiri Korenblit WARN(ret, "Failed binding P2P_DEVICE\n"); 4554feebebaeSMiri Korenblit return ret; 4555feebebaeSMiri Korenblit } 4556feebebaeSMiri Korenblit 4557e705c121SKalle Valo static int iwl_mvm_roc(struct ieee80211_hw *hw, 4558e705c121SKalle Valo struct ieee80211_vif *vif, 4559e705c121SKalle Valo struct ieee80211_channel *channel, 4560e705c121SKalle Valo int duration, 4561e705c121SKalle Valo enum ieee80211_roc_type type) 4562e705c121SKalle Valo { 4563a2906ea6SJohannes Berg static const struct iwl_mvm_roc_ops ops = { 4564fe8b2ad3SMiri Korenblit .add_aux_sta_for_hs20 = iwl_mvm_add_aux_sta_for_hs20, 4565fe8b2ad3SMiri Korenblit .switch_phy_ctxt = iwl_mvm_roc_switch_binding, 4566fe8b2ad3SMiri Korenblit }; 4567fe8b2ad3SMiri Korenblit 4568fe8b2ad3SMiri Korenblit return iwl_mvm_roc_common(hw, vif, channel, duration, type, &ops); 4569fe8b2ad3SMiri Korenblit } 4570fe8b2ad3SMiri Korenblit 4571fe8b2ad3SMiri Korenblit /* Execute the common part for MLD and non-MLD modes */ 4572fe8b2ad3SMiri Korenblit int iwl_mvm_roc_common(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 4573fe8b2ad3SMiri Korenblit struct ieee80211_channel *channel, int duration, 4574fe8b2ad3SMiri Korenblit enum ieee80211_roc_type type, 4575a2906ea6SJohannes Berg const struct iwl_mvm_roc_ops *ops) 4576fe8b2ad3SMiri Korenblit { 4577e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4578e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4579e705c121SKalle Valo struct cfg80211_chan_def chandef; 4580e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt; 45818835a64fSJohannes Berg bool band_change_removal; 4582e705c121SKalle Valo int ret, i; 4583feebebaeSMiri Korenblit u32 lmac_id; 4584e705c121SKalle Valo 4585e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value, 4586e705c121SKalle Valo duration, type); 4587e705c121SKalle Valo 45889834781cSJohannes Berg /* 45899834781cSJohannes Berg * Flush the done work, just in case it's still pending, so that 45909834781cSJohannes Berg * the work it does can complete and we can accept new frames. 45919834781cSJohannes Berg */ 4592e705c121SKalle Valo flush_work(&mvm->roc_done_wk); 4593e705c121SKalle Valo 4594e705c121SKalle Valo mutex_lock(&mvm->mutex); 4595e705c121SKalle Valo 4596e705c121SKalle Valo switch (vif->type) { 4597e705c121SKalle Valo case NL80211_IFTYPE_STATION: 4598*d51439a6SAriel Malamud lmac_id = iwl_mvm_get_lmac_id(mvm, channel->band); 45992c2c3647SNathan Errera 4600feebebaeSMiri Korenblit /* Use aux roc framework (HS20) */ 4601fe8b2ad3SMiri Korenblit ret = ops->add_aux_sta_for_hs20(mvm, lmac_id); 4602feebebaeSMiri Korenblit if (!ret) 4603e705c121SKalle Valo ret = iwl_mvm_send_aux_roc_cmd(mvm, channel, 4604e705c121SKalle Valo vif, duration); 4605e705c121SKalle Valo goto out_unlock; 4606e705c121SKalle Valo case NL80211_IFTYPE_P2P_DEVICE: 4607e705c121SKalle Valo /* handle below */ 4608e705c121SKalle Valo break; 4609e705c121SKalle Valo default: 4610e705c121SKalle Valo IWL_ERR(mvm, "vif isn't P2P_DEVICE: %d\n", vif->type); 4611e705c121SKalle Valo ret = -EINVAL; 4612e705c121SKalle Valo goto out_unlock; 4613e705c121SKalle Valo } 4614e705c121SKalle Valo 4615e705c121SKalle Valo for (i = 0; i < NUM_PHY_CTX; i++) { 4616e705c121SKalle Valo phy_ctxt = &mvm->phy_ctxts[i]; 4617650cadb7SGregory Greenman if (phy_ctxt->ref == 0 || mvmvif->deflink.phy_ctxt == phy_ctxt) 4618e705c121SKalle Valo continue; 4619e705c121SKalle Valo 4620e705c121SKalle Valo if (phy_ctxt->ref && channel == phy_ctxt->channel) { 4621fe8b2ad3SMiri Korenblit ret = ops->switch_phy_ctxt(mvm, vif, phy_ctxt); 4622feebebaeSMiri Korenblit if (ret) 4623e705c121SKalle Valo goto out_unlock; 4624e705c121SKalle Valo 4625650cadb7SGregory Greenman iwl_mvm_phy_ctxt_ref(mvm, mvmvif->deflink.phy_ctxt); 4626e705c121SKalle Valo goto schedule_time_event; 4627e705c121SKalle Valo } 4628e705c121SKalle Valo } 4629e705c121SKalle Valo 4630e705c121SKalle Valo /* Need to update the PHY context only if the ROC channel changed */ 4631650cadb7SGregory Greenman if (channel == mvmvif->deflink.phy_ctxt->channel) 4632e705c121SKalle Valo goto schedule_time_event; 4633e705c121SKalle Valo 4634e705c121SKalle Valo cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT); 4635e705c121SKalle Valo 4636e705c121SKalle Valo /* 46378835a64fSJohannes Berg * Check if the remain-on-channel is on a different band and that 46388835a64fSJohannes Berg * requires context removal, see iwl_mvm_phy_ctxt_changed(). If 46398835a64fSJohannes Berg * so, we'll need to release and then re-configure here, since we 46408835a64fSJohannes Berg * must not remove a PHY context that's part of a binding. 4641e705c121SKalle Valo */ 46428835a64fSJohannes Berg band_change_removal = 46438835a64fSJohannes Berg fw_has_capa(&mvm->fw->ucode_capa, 46448835a64fSJohannes Berg IWL_UCODE_TLV_CAPA_BINDING_CDB_SUPPORT) && 4645650cadb7SGregory Greenman mvmvif->deflink.phy_ctxt->channel->band != chandef.chan->band; 46468835a64fSJohannes Berg 4647650cadb7SGregory Greenman if (mvmvif->deflink.phy_ctxt->ref == 1 && !band_change_removal) { 46488835a64fSJohannes Berg /* 46498835a64fSJohannes Berg * Change the PHY context configuration as it is currently 46508835a64fSJohannes Berg * referenced only by the P2P Device MAC (and we can modify it) 46518835a64fSJohannes Berg */ 4652650cadb7SGregory Greenman ret = iwl_mvm_phy_ctxt_changed(mvm, mvmvif->deflink.phy_ctxt, 4653e705c121SKalle Valo &chandef, 1, 1); 4654e705c121SKalle Valo if (ret) 4655e705c121SKalle Valo goto out_unlock; 4656e705c121SKalle Valo } else { 4657e705c121SKalle Valo /* 46588835a64fSJohannes Berg * The PHY context is shared with other MACs (or we're trying to 46598835a64fSJohannes Berg * switch bands), so remove the P2P Device from the binding, 46608835a64fSJohannes Berg * allocate an new PHY context and create a new binding. 4661e705c121SKalle Valo */ 4662e705c121SKalle Valo phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 4663e705c121SKalle Valo if (!phy_ctxt) { 4664e705c121SKalle Valo ret = -ENOSPC; 4665e705c121SKalle Valo goto out_unlock; 4666e705c121SKalle Valo } 4667e705c121SKalle Valo 4668e705c121SKalle Valo ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &chandef, 4669e705c121SKalle Valo 1, 1); 4670e705c121SKalle Valo if (ret) { 4671e705c121SKalle Valo IWL_ERR(mvm, "Failed to change PHY context\n"); 4672e705c121SKalle Valo goto out_unlock; 4673e705c121SKalle Valo } 4674e705c121SKalle Valo 4675fe8b2ad3SMiri Korenblit ret = ops->switch_phy_ctxt(mvm, vif, phy_ctxt); 4676feebebaeSMiri Korenblit if (ret) 4677e705c121SKalle Valo goto out_unlock; 4678e705c121SKalle Valo 4679650cadb7SGregory Greenman iwl_mvm_phy_ctxt_ref(mvm, mvmvif->deflink.phy_ctxt); 4680e705c121SKalle Valo } 4681e705c121SKalle Valo 4682e705c121SKalle Valo schedule_time_event: 4683e705c121SKalle Valo /* Schedule the time events */ 4684e705c121SKalle Valo ret = iwl_mvm_start_p2p_roc(mvm, vif, duration, type); 4685e705c121SKalle Valo 4686e705c121SKalle Valo out_unlock: 4687e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4688e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "leave\n"); 4689e705c121SKalle Valo return ret; 4690e705c121SKalle Valo } 4691e705c121SKalle Valo 4692fe8b2ad3SMiri Korenblit int iwl_mvm_cancel_roc(struct ieee80211_hw *hw, 46935db4c4b9SEmmanuel Grumbach struct ieee80211_vif *vif) 4694e705c121SKalle Valo { 4695e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4696e705c121SKalle Valo 4697e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "enter\n"); 4698e705c121SKalle Valo 4699e705c121SKalle Valo mutex_lock(&mvm->mutex); 4700fe959c7bSEmmanuel Grumbach iwl_mvm_stop_roc(mvm, vif); 4701e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4702e705c121SKalle Valo 4703e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "leave\n"); 4704e705c121SKalle Valo return 0; 4705e705c121SKalle Valo } 4706e705c121SKalle Valo 4707b73f9a4aSJohannes Berg struct iwl_mvm_ftm_responder_iter_data { 4708b73f9a4aSJohannes Berg bool responder; 4709b73f9a4aSJohannes Berg struct ieee80211_chanctx_conf *ctx; 4710b73f9a4aSJohannes Berg }; 4711b73f9a4aSJohannes Berg 4712b73f9a4aSJohannes Berg static void iwl_mvm_ftm_responder_chanctx_iter(void *_data, u8 *mac, 4713b73f9a4aSJohannes Berg struct ieee80211_vif *vif) 4714b73f9a4aSJohannes Berg { 4715b73f9a4aSJohannes Berg struct iwl_mvm_ftm_responder_iter_data *data = _data; 4716b73f9a4aSJohannes Berg 4717d0a9123eSJohannes Berg if (rcu_access_pointer(vif->bss_conf.chanctx_conf) == data->ctx && 4718b73f9a4aSJohannes Berg vif->type == NL80211_IFTYPE_AP && vif->bss_conf.ftmr_params) 4719b73f9a4aSJohannes Berg data->responder = true; 4720b73f9a4aSJohannes Berg } 4721b73f9a4aSJohannes Berg 4722b73f9a4aSJohannes Berg static bool iwl_mvm_is_ftm_responder_chanctx(struct iwl_mvm *mvm, 4723b73f9a4aSJohannes Berg struct ieee80211_chanctx_conf *ctx) 4724b73f9a4aSJohannes Berg { 4725b73f9a4aSJohannes Berg struct iwl_mvm_ftm_responder_iter_data data = { 4726b73f9a4aSJohannes Berg .responder = false, 4727b73f9a4aSJohannes Berg .ctx = ctx, 4728b73f9a4aSJohannes Berg }; 4729b73f9a4aSJohannes Berg 4730b73f9a4aSJohannes Berg ieee80211_iterate_active_interfaces_atomic(mvm->hw, 4731b73f9a4aSJohannes Berg IEEE80211_IFACE_ITER_NORMAL, 4732b73f9a4aSJohannes Berg iwl_mvm_ftm_responder_chanctx_iter, 4733b73f9a4aSJohannes Berg &data); 4734b73f9a4aSJohannes Berg return data.responder; 4735b73f9a4aSJohannes Berg } 4736b73f9a4aSJohannes Berg 4737e705c121SKalle Valo static int __iwl_mvm_add_chanctx(struct iwl_mvm *mvm, 4738e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 4739e705c121SKalle Valo { 4740e705c121SKalle Valo u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 4741e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt; 4742b73f9a4aSJohannes Berg bool responder = iwl_mvm_is_ftm_responder_chanctx(mvm, ctx); 4743b73f9a4aSJohannes Berg struct cfg80211_chan_def *def = responder ? &ctx->def : &ctx->min_def; 4744e705c121SKalle Valo int ret; 4745e705c121SKalle Valo 4746e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 4747e705c121SKalle Valo 4748e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "Add channel context\n"); 4749e705c121SKalle Valo 4750e705c121SKalle Valo phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 4751e705c121SKalle Valo if (!phy_ctxt) { 4752e705c121SKalle Valo ret = -ENOSPC; 4753e705c121SKalle Valo goto out; 4754e705c121SKalle Valo } 4755e705c121SKalle Valo 4756b73f9a4aSJohannes Berg ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, def, 4757e705c121SKalle Valo ctx->rx_chains_static, 4758e705c121SKalle Valo ctx->rx_chains_dynamic); 4759e705c121SKalle Valo if (ret) { 4760e705c121SKalle Valo IWL_ERR(mvm, "Failed to add PHY context\n"); 4761e705c121SKalle Valo goto out; 4762e705c121SKalle Valo } 4763e705c121SKalle Valo 4764e705c121SKalle Valo iwl_mvm_phy_ctxt_ref(mvm, phy_ctxt); 4765e705c121SKalle Valo *phy_ctxt_id = phy_ctxt->id; 4766e705c121SKalle Valo out: 4767e705c121SKalle Valo return ret; 4768e705c121SKalle Valo } 4769e705c121SKalle Valo 4770cbce62a3SMiri Korenblit int iwl_mvm_add_chanctx(struct ieee80211_hw *hw, 4771e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 4772e705c121SKalle Valo { 4773e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4774e705c121SKalle Valo int ret; 4775e705c121SKalle Valo 4776e705c121SKalle Valo mutex_lock(&mvm->mutex); 4777e705c121SKalle Valo ret = __iwl_mvm_add_chanctx(mvm, ctx); 4778e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4779e705c121SKalle Valo 4780e705c121SKalle Valo return ret; 4781e705c121SKalle Valo } 4782e705c121SKalle Valo 4783e705c121SKalle Valo static void __iwl_mvm_remove_chanctx(struct iwl_mvm *mvm, 4784e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 4785e705c121SKalle Valo { 4786e705c121SKalle Valo u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 4787e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 4788e705c121SKalle Valo 4789e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 4790e705c121SKalle Valo 4791e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt); 4792e705c121SKalle Valo } 4793e705c121SKalle Valo 4794cbce62a3SMiri Korenblit void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw, 4795e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 4796e705c121SKalle Valo { 4797e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4798e705c121SKalle Valo 4799e705c121SKalle Valo mutex_lock(&mvm->mutex); 4800e705c121SKalle Valo __iwl_mvm_remove_chanctx(mvm, ctx); 4801e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4802e705c121SKalle Valo } 4803e705c121SKalle Valo 4804cbce62a3SMiri Korenblit void iwl_mvm_change_chanctx(struct ieee80211_hw *hw, 4805cbce62a3SMiri Korenblit struct ieee80211_chanctx_conf *ctx, u32 changed) 4806e705c121SKalle Valo { 4807e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4808e705c121SKalle Valo u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 4809e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 4810b73f9a4aSJohannes Berg bool responder = iwl_mvm_is_ftm_responder_chanctx(mvm, ctx); 4811b73f9a4aSJohannes Berg struct cfg80211_chan_def *def = responder ? &ctx->def : &ctx->min_def; 4812e705c121SKalle Valo 4813e705c121SKalle Valo if (WARN_ONCE((phy_ctxt->ref > 1) && 4814e705c121SKalle Valo (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH | 4815e705c121SKalle Valo IEEE80211_CHANCTX_CHANGE_RX_CHAINS | 4816e705c121SKalle Valo IEEE80211_CHANCTX_CHANGE_RADAR | 4817e705c121SKalle Valo IEEE80211_CHANCTX_CHANGE_MIN_WIDTH)), 4818e705c121SKalle Valo "Cannot change PHY. Ref=%d, changed=0x%X\n", 4819e705c121SKalle Valo phy_ctxt->ref, changed)) 4820e705c121SKalle Valo return; 4821e705c121SKalle Valo 4822e705c121SKalle Valo mutex_lock(&mvm->mutex); 48237a20bcceSEmmanuel Grumbach 48247a20bcceSEmmanuel Grumbach /* we are only changing the min_width, may be a noop */ 48257a20bcceSEmmanuel Grumbach if (changed == IEEE80211_CHANCTX_CHANGE_MIN_WIDTH) { 4826b73f9a4aSJohannes Berg if (phy_ctxt->width == def->width) 48277a20bcceSEmmanuel Grumbach goto out_unlock; 48287a20bcceSEmmanuel Grumbach 48297a20bcceSEmmanuel Grumbach /* we are just toggling between 20_NOHT and 20 */ 48307a20bcceSEmmanuel Grumbach if (phy_ctxt->width <= NL80211_CHAN_WIDTH_20 && 4831b73f9a4aSJohannes Berg def->width <= NL80211_CHAN_WIDTH_20) 48327a20bcceSEmmanuel Grumbach goto out_unlock; 48337a20bcceSEmmanuel Grumbach } 48347a20bcceSEmmanuel Grumbach 4835e705c121SKalle Valo iwl_mvm_bt_coex_vif_change(mvm); 4836b73f9a4aSJohannes Berg iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, def, 4837e705c121SKalle Valo ctx->rx_chains_static, 4838e705c121SKalle Valo ctx->rx_chains_dynamic); 48397a20bcceSEmmanuel Grumbach 48407a20bcceSEmmanuel Grumbach out_unlock: 4841e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4842e705c121SKalle Valo } 4843e705c121SKalle Valo 48448a919a78SMiri Korenblit /* 48458a919a78SMiri Korenblit * This function executes the common part for MLD and non-MLD modes. 48468a919a78SMiri Korenblit * 48478a919a78SMiri Korenblit * Returns true if we're done assigning the chanctx 48488a919a78SMiri Korenblit * (either on failure or success) 48498a919a78SMiri Korenblit */ 48504263ac7fSGregory Greenman static bool 48514263ac7fSGregory Greenman __iwl_mvm_assign_vif_chanctx_common(struct iwl_mvm *mvm, 4852e705c121SKalle Valo struct ieee80211_vif *vif, 4853e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx, 485450e81437SMiri Korenblit bool switching_chanctx, int *ret) 4855e705c121SKalle Valo { 4856e705c121SKalle Valo u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 4857e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 4858e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4859e705c121SKalle Valo 4860e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 4861e705c121SKalle Valo 4862650cadb7SGregory Greenman mvmvif->deflink.phy_ctxt = phy_ctxt; 4863e705c121SKalle Valo 4864e705c121SKalle Valo switch (vif->type) { 4865e705c121SKalle Valo case NL80211_IFTYPE_AP: 4866e705c121SKalle Valo /* only needed if we're switching chanctx (i.e. during CSA) */ 4867e705c121SKalle Valo if (switching_chanctx) { 4868e705c121SKalle Valo mvmvif->ap_ibss_active = true; 4869e705c121SKalle Valo break; 4870e705c121SKalle Valo } 48715a2abdcaSGustavo A. R. Silva fallthrough; 4872e705c121SKalle Valo case NL80211_IFTYPE_ADHOC: 4873e705c121SKalle Valo /* 4874e705c121SKalle Valo * The AP binding flow is handled as part of the start_ap flow 4875e705c121SKalle Valo * (in bss_info_changed), similarly for IBSS. 4876e705c121SKalle Valo */ 48778a919a78SMiri Korenblit *ret = 0; 48788a919a78SMiri Korenblit return true; 4879e705c121SKalle Valo case NL80211_IFTYPE_STATION: 4880e705c121SKalle Valo break; 4881e705c121SKalle Valo case NL80211_IFTYPE_MONITOR: 4882e705c121SKalle Valo /* always disable PS when a monitor interface is active */ 4883e705c121SKalle Valo mvmvif->ps_disabled = true; 4884e705c121SKalle Valo break; 4885e705c121SKalle Valo default: 48868a919a78SMiri Korenblit *ret = -EINVAL; 48878a919a78SMiri Korenblit return true; 4888e705c121SKalle Valo } 48898a919a78SMiri Korenblit return false; 48908a919a78SMiri Korenblit } 48918a919a78SMiri Korenblit 48928a919a78SMiri Korenblit static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm, 48938a919a78SMiri Korenblit struct ieee80211_vif *vif, 48944263ac7fSGregory Greenman struct ieee80211_bss_conf *link_conf, 48958a919a78SMiri Korenblit struct ieee80211_chanctx_conf *ctx, 48968a919a78SMiri Korenblit bool switching_chanctx) 48978a919a78SMiri Korenblit { 48988a919a78SMiri Korenblit struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 48998a919a78SMiri Korenblit int ret; 49008a919a78SMiri Korenblit 49014263ac7fSGregory Greenman if (WARN_ON(!link_conf)) 49024263ac7fSGregory Greenman return -EINVAL; 49034263ac7fSGregory Greenman 49048a919a78SMiri Korenblit if (__iwl_mvm_assign_vif_chanctx_common(mvm, vif, ctx, 49058a919a78SMiri Korenblit switching_chanctx, &ret)) 49068a919a78SMiri Korenblit goto out; 4907e705c121SKalle Valo 4908e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 4909e705c121SKalle Valo if (ret) 4910e705c121SKalle Valo goto out; 4911e705c121SKalle Valo 4912e705c121SKalle Valo /* 4913e705c121SKalle Valo * Power state must be updated before quotas, 4914e705c121SKalle Valo * otherwise fw will complain. 4915e705c121SKalle Valo */ 4916e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 4917e705c121SKalle Valo 4918e705c121SKalle Valo /* Setting the quota at this stage is only required for monitor 4919e705c121SKalle Valo * interfaces. For the other types, the bss_info changed flow 4920e705c121SKalle Valo * will handle quota settings. 4921e705c121SKalle Valo */ 4922e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_MONITOR) { 4923e705c121SKalle Valo mvmvif->monitor_active = true; 4924e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, false, NULL); 4925e705c121SKalle Valo if (ret) 4926e705c121SKalle Valo goto out_remove_binding; 49270e39eb03SChaya Rachel Ivgi 49280e39eb03SChaya Rachel Ivgi ret = iwl_mvm_add_snif_sta(mvm, vif); 49290e39eb03SChaya Rachel Ivgi if (ret) 49300e39eb03SChaya Rachel Ivgi goto out_remove_binding; 49310e39eb03SChaya Rachel Ivgi 4932e705c121SKalle Valo } 4933e705c121SKalle Valo 4934e705c121SKalle Valo /* Handle binding during CSA */ 4935e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP) { 4936e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, NULL); 4937e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 4938e705c121SKalle Valo } 4939e705c121SKalle Valo 49408a919a78SMiri Korenblit if (vif->type == NL80211_IFTYPE_STATION) { 49418a919a78SMiri Korenblit if (!switching_chanctx) { 49428a919a78SMiri Korenblit mvmvif->csa_bcn_pending = false; 49438a919a78SMiri Korenblit goto out; 49448a919a78SMiri Korenblit } 49458a919a78SMiri Korenblit 494674a10252SSara Sharon mvmvif->csa_bcn_pending = true; 494774a10252SSara Sharon 494874a10252SSara Sharon if (!fw_has_capa(&mvm->fw->ucode_capa, 494974a10252SSara Sharon IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 495019125cb0SAndrei Otcheretianski u32 duration = 3 * vif->bss_conf.beacon_int; 4951e705c121SKalle Valo 4952e705c121SKalle Valo /* Protect the session to make sure we hear the first 4953e705c121SKalle Valo * beacon on the new channel. 4954e705c121SKalle Valo */ 4955e705c121SKalle Valo iwl_mvm_protect_session(mvm, vif, duration, duration, 4956e705c121SKalle Valo vif->bss_conf.beacon_int / 2, 4957e705c121SKalle Valo true); 495874a10252SSara Sharon } 4959e705c121SKalle Valo 4960e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, NULL); 4961e705c121SKalle Valo } 4962e705c121SKalle Valo 4963e705c121SKalle Valo goto out; 4964e705c121SKalle Valo 4965e705c121SKalle Valo out_remove_binding: 4966e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 4967e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 4968e705c121SKalle Valo out: 4969e705c121SKalle Valo if (ret) 4970650cadb7SGregory Greenman mvmvif->deflink.phy_ctxt = NULL; 4971e705c121SKalle Valo return ret; 4972e705c121SKalle Valo } 49738a919a78SMiri Korenblit 4974e705c121SKalle Valo static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw, 4975e705c121SKalle Valo struct ieee80211_vif *vif, 4976727eff4dSGregory Greenman struct ieee80211_bss_conf *link_conf, 4977e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 4978e705c121SKalle Valo { 4979e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4980e705c121SKalle Valo int ret; 4981e705c121SKalle Valo 4982e705c121SKalle Valo mutex_lock(&mvm->mutex); 49834263ac7fSGregory Greenman ret = __iwl_mvm_assign_vif_chanctx(mvm, vif, link_conf, ctx, false); 4984e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4985e705c121SKalle Valo 4986e705c121SKalle Valo return ret; 4987e705c121SKalle Valo } 4988e705c121SKalle Valo 4989daddfae5SMiri Korenblit /* 4990daddfae5SMiri Korenblit * This function executes the common part for MLD and non-MLD modes. 4991daddfae5SMiri Korenblit * 4992daddfae5SMiri Korenblit * Returns if chanctx unassign chanctx is done 4993daddfae5SMiri Korenblit * (either on failure or success) 4994daddfae5SMiri Korenblit */ 49954263ac7fSGregory Greenman static bool __iwl_mvm_unassign_vif_chanctx_common(struct iwl_mvm *mvm, 4996e705c121SKalle Valo struct ieee80211_vif *vif, 4997e705c121SKalle Valo bool switching_chanctx) 4998e705c121SKalle Valo { 4999e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5000e705c121SKalle Valo 5001e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 5002650cadb7SGregory Greenman iwl_mvm_remove_time_event(mvm, mvmvif, 5003650cadb7SGregory Greenman &mvmvif->time_event_data); 5004e705c121SKalle Valo 5005e705c121SKalle Valo switch (vif->type) { 5006e705c121SKalle Valo case NL80211_IFTYPE_ADHOC: 5007daddfae5SMiri Korenblit return true; 5008e705c121SKalle Valo case NL80211_IFTYPE_MONITOR: 5009e705c121SKalle Valo mvmvif->monitor_active = false; 5010e705c121SKalle Valo mvmvif->ps_disabled = false; 5011e705c121SKalle Valo break; 5012e705c121SKalle Valo case NL80211_IFTYPE_AP: 5013e705c121SKalle Valo /* This part is triggered only during CSA */ 5014e705c121SKalle Valo if (!switching_chanctx || !mvmvif->ap_ibss_active) 5015daddfae5SMiri Korenblit return true; 5016e705c121SKalle Valo 5017e705c121SKalle Valo mvmvif->csa_countdown = false; 5018e705c121SKalle Valo 5019e705c121SKalle Valo /* Set CS bit on all the stations */ 5020e705c121SKalle Valo iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, true); 5021e705c121SKalle Valo 5022e705c121SKalle Valo /* Save blocked iface, the timeout is set on the next beacon */ 5023e705c121SKalle Valo rcu_assign_pointer(mvm->csa_tx_blocked_vif, vif); 5024e705c121SKalle Valo 5025e705c121SKalle Valo mvmvif->ap_ibss_active = false; 5026e705c121SKalle Valo break; 5027daddfae5SMiri Korenblit default: 5028e705c121SKalle Valo break; 5029daddfae5SMiri Korenblit } 5030daddfae5SMiri Korenblit return false; 5031daddfae5SMiri Korenblit } 5032e705c121SKalle Valo 5033e705c121SKalle Valo static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm, 5034e705c121SKalle Valo struct ieee80211_vif *vif, 50354263ac7fSGregory Greenman struct ieee80211_bss_conf *link_conf, 5036e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx, 5037e705c121SKalle Valo bool switching_chanctx) 5038e705c121SKalle Valo { 5039e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5040e705c121SKalle Valo struct ieee80211_vif *disabled_vif = NULL; 5041e705c121SKalle Valo 5042daddfae5SMiri Korenblit if (__iwl_mvm_unassign_vif_chanctx_common(mvm, vif, switching_chanctx)) 5043e705c121SKalle Valo goto out; 5044daddfae5SMiri Korenblit 5045daddfae5SMiri Korenblit if (vif->type == NL80211_IFTYPE_MONITOR) 5046e705c121SKalle Valo iwl_mvm_rm_snif_sta(mvm, vif); 5047e705c121SKalle Valo 5048e705c121SKalle Valo 5049daddfae5SMiri Korenblit if (vif->type == NL80211_IFTYPE_STATION && switching_chanctx) { 5050e705c121SKalle Valo disabled_vif = vif; 505174a10252SSara Sharon if (!fw_has_capa(&mvm->fw->ucode_capa, 505274a10252SSara Sharon IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) 5053e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, true, NULL); 5054e705c121SKalle Valo } 5055e705c121SKalle Valo 5056e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, disabled_vif); 5057e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 5058e705c121SKalle Valo 5059e705c121SKalle Valo out: 5060bf544e9aSSara Sharon if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD) && 5061bf544e9aSSara Sharon switching_chanctx) 5062bf544e9aSSara Sharon return; 5063650cadb7SGregory Greenman mvmvif->deflink.phy_ctxt = NULL; 5064e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 5065e705c121SKalle Valo } 5066e705c121SKalle Valo 5067e705c121SKalle Valo static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw, 5068e705c121SKalle Valo struct ieee80211_vif *vif, 5069727eff4dSGregory Greenman struct ieee80211_bss_conf *link_conf, 5070e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 5071e705c121SKalle Valo { 5072e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5073e705c121SKalle Valo 5074e705c121SKalle Valo mutex_lock(&mvm->mutex); 50754263ac7fSGregory Greenman __iwl_mvm_unassign_vif_chanctx(mvm, vif, link_conf, ctx, false); 5076e705c121SKalle Valo mutex_unlock(&mvm->mutex); 5077e705c121SKalle Valo } 5078e705c121SKalle Valo 5079e705c121SKalle Valo static int 5080e705c121SKalle Valo iwl_mvm_switch_vif_chanctx_swap(struct iwl_mvm *mvm, 5081660eba5aSMiri Korenblit struct ieee80211_vif_chanctx_switch *vifs, 5082a2906ea6SJohannes Berg const struct iwl_mvm_switch_vif_chanctx_ops *ops) 5083e705c121SKalle Valo { 5084e705c121SKalle Valo int ret; 5085e705c121SKalle Valo 5086e705c121SKalle Valo mutex_lock(&mvm->mutex); 50874263ac7fSGregory Greenman ops->__unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 50884263ac7fSGregory Greenman vifs[0].old_ctx, true); 5089e705c121SKalle Valo __iwl_mvm_remove_chanctx(mvm, vifs[0].old_ctx); 5090e705c121SKalle Valo 5091e705c121SKalle Valo ret = __iwl_mvm_add_chanctx(mvm, vifs[0].new_ctx); 5092e705c121SKalle Valo if (ret) { 5093e705c121SKalle Valo IWL_ERR(mvm, "failed to add new_ctx during channel switch\n"); 5094e705c121SKalle Valo goto out_reassign; 5095e705c121SKalle Valo } 5096e705c121SKalle Valo 50974263ac7fSGregory Greenman ret = ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 50984263ac7fSGregory Greenman vifs[0].new_ctx, true); 5099e705c121SKalle Valo if (ret) { 5100e705c121SKalle Valo IWL_ERR(mvm, 5101e705c121SKalle Valo "failed to assign new_ctx during channel switch\n"); 5102e705c121SKalle Valo goto out_remove; 5103e705c121SKalle Valo } 5104e705c121SKalle Valo 5105e705c121SKalle Valo /* we don't support TDLS during DCM - can be caused by channel switch */ 5106e705c121SKalle Valo if (iwl_mvm_phy_ctx_count(mvm) > 1) 5107e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 5108e705c121SKalle Valo 5109e705c121SKalle Valo goto out; 5110e705c121SKalle Valo 5111e705c121SKalle Valo out_remove: 5112e705c121SKalle Valo __iwl_mvm_remove_chanctx(mvm, vifs[0].new_ctx); 5113e705c121SKalle Valo 5114e705c121SKalle Valo out_reassign: 5115e705c121SKalle Valo if (__iwl_mvm_add_chanctx(mvm, vifs[0].old_ctx)) { 5116e705c121SKalle Valo IWL_ERR(mvm, "failed to add old_ctx back after failure.\n"); 5117e705c121SKalle Valo goto out_restart; 5118e705c121SKalle Valo } 5119e705c121SKalle Valo 51204263ac7fSGregory Greenman if (ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 51214263ac7fSGregory Greenman vifs[0].old_ctx, true)) { 5122e705c121SKalle Valo IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); 5123e705c121SKalle Valo goto out_restart; 5124e705c121SKalle Valo } 5125e705c121SKalle Valo 5126e705c121SKalle Valo goto out; 5127e705c121SKalle Valo 5128e705c121SKalle Valo out_restart: 5129e705c121SKalle Valo /* things keep failing, better restart the hw */ 5130e705c121SKalle Valo iwl_mvm_nic_restart(mvm, false); 5131e705c121SKalle Valo 5132e705c121SKalle Valo out: 5133e705c121SKalle Valo mutex_unlock(&mvm->mutex); 5134e705c121SKalle Valo 5135e705c121SKalle Valo return ret; 5136e705c121SKalle Valo } 5137e705c121SKalle Valo 5138e705c121SKalle Valo static int 5139e705c121SKalle Valo iwl_mvm_switch_vif_chanctx_reassign(struct iwl_mvm *mvm, 5140660eba5aSMiri Korenblit struct ieee80211_vif_chanctx_switch *vifs, 5141a2906ea6SJohannes Berg const struct iwl_mvm_switch_vif_chanctx_ops *ops) 5142e705c121SKalle Valo { 5143e705c121SKalle Valo int ret; 5144e705c121SKalle Valo 5145e705c121SKalle Valo mutex_lock(&mvm->mutex); 51464263ac7fSGregory Greenman ops->__unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 51474263ac7fSGregory Greenman vifs[0].old_ctx, true); 5148e705c121SKalle Valo 51494263ac7fSGregory Greenman ret = ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 51504263ac7fSGregory Greenman vifs[0].new_ctx, true); 5151e705c121SKalle Valo if (ret) { 5152e705c121SKalle Valo IWL_ERR(mvm, 5153e705c121SKalle Valo "failed to assign new_ctx during channel switch\n"); 5154e705c121SKalle Valo goto out_reassign; 5155e705c121SKalle Valo } 5156e705c121SKalle Valo 5157e705c121SKalle Valo goto out; 5158e705c121SKalle Valo 5159e705c121SKalle Valo out_reassign: 51604263ac7fSGregory Greenman if (ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 51614263ac7fSGregory Greenman vifs[0].old_ctx, true)) { 5162e705c121SKalle Valo IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); 5163e705c121SKalle Valo goto out_restart; 5164e705c121SKalle Valo } 5165e705c121SKalle Valo 5166e705c121SKalle Valo goto out; 5167e705c121SKalle Valo 5168e705c121SKalle Valo out_restart: 5169e705c121SKalle Valo /* things keep failing, better restart the hw */ 5170e705c121SKalle Valo iwl_mvm_nic_restart(mvm, false); 5171e705c121SKalle Valo 5172e705c121SKalle Valo out: 5173e705c121SKalle Valo mutex_unlock(&mvm->mutex); 5174e705c121SKalle Valo 5175e705c121SKalle Valo return ret; 5176e705c121SKalle Valo } 5177e705c121SKalle Valo 5178660eba5aSMiri Korenblit /* Execute the common part for both MLD and non-MLD modes */ 5179660eba5aSMiri Korenblit int 5180660eba5aSMiri Korenblit iwl_mvm_switch_vif_chanctx_common(struct ieee80211_hw *hw, 5181e705c121SKalle Valo struct ieee80211_vif_chanctx_switch *vifs, 5182e705c121SKalle Valo int n_vifs, 5183660eba5aSMiri Korenblit enum ieee80211_chanctx_switch_mode mode, 5184a2906ea6SJohannes Berg const struct iwl_mvm_switch_vif_chanctx_ops *ops) 5185e705c121SKalle Valo { 5186e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5187e705c121SKalle Valo int ret; 5188e705c121SKalle Valo 5189e705c121SKalle Valo /* we only support a single-vif right now */ 5190e705c121SKalle Valo if (n_vifs > 1) 5191e705c121SKalle Valo return -EOPNOTSUPP; 5192e705c121SKalle Valo 5193e705c121SKalle Valo switch (mode) { 5194e705c121SKalle Valo case CHANCTX_SWMODE_SWAP_CONTEXTS: 5195660eba5aSMiri Korenblit ret = iwl_mvm_switch_vif_chanctx_swap(mvm, vifs, ops); 5196e705c121SKalle Valo break; 5197e705c121SKalle Valo case CHANCTX_SWMODE_REASSIGN_VIF: 5198660eba5aSMiri Korenblit ret = iwl_mvm_switch_vif_chanctx_reassign(mvm, vifs, ops); 5199e705c121SKalle Valo break; 5200e705c121SKalle Valo default: 5201e705c121SKalle Valo ret = -EOPNOTSUPP; 5202e705c121SKalle Valo break; 5203e705c121SKalle Valo } 5204e705c121SKalle Valo 5205e705c121SKalle Valo return ret; 5206e705c121SKalle Valo } 5207e705c121SKalle Valo 5208660eba5aSMiri Korenblit static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw *hw, 5209660eba5aSMiri Korenblit struct ieee80211_vif_chanctx_switch *vifs, 5210660eba5aSMiri Korenblit int n_vifs, 5211660eba5aSMiri Korenblit enum ieee80211_chanctx_switch_mode mode) 5212660eba5aSMiri Korenblit { 5213a2906ea6SJohannes Berg static const struct iwl_mvm_switch_vif_chanctx_ops ops = { 5214660eba5aSMiri Korenblit .__assign_vif_chanctx = __iwl_mvm_assign_vif_chanctx, 5215660eba5aSMiri Korenblit .__unassign_vif_chanctx = __iwl_mvm_unassign_vif_chanctx, 5216660eba5aSMiri Korenblit }; 5217660eba5aSMiri Korenblit 5218660eba5aSMiri Korenblit return iwl_mvm_switch_vif_chanctx_common(hw, vifs, n_vifs, mode, &ops); 5219660eba5aSMiri Korenblit } 5220660eba5aSMiri Korenblit 5221cbce62a3SMiri Korenblit int iwl_mvm_tx_last_beacon(struct ieee80211_hw *hw) 52222f0282dbSJohannes Berg { 52232f0282dbSJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 52242f0282dbSJohannes Berg 52252f0282dbSJohannes Berg return mvm->ibss_manager; 52262f0282dbSJohannes Berg } 52272f0282dbSJohannes Berg 5228cbce62a3SMiri Korenblit int iwl_mvm_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, 5229e705c121SKalle Valo bool set) 5230e705c121SKalle Valo { 5231e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5232e705c121SKalle Valo struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 5233e705c121SKalle Valo 5234e705c121SKalle Valo if (!mvm_sta || !mvm_sta->vif) { 5235e705c121SKalle Valo IWL_ERR(mvm, "Station is not associated to a vif\n"); 5236e705c121SKalle Valo return -EINVAL; 5237e705c121SKalle Valo } 5238e705c121SKalle Valo 523936cf5377SGregory Greenman return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif, 524036cf5377SGregory Greenman &mvm_sta->vif->bss_conf); 5241e705c121SKalle Valo } 5242e705c121SKalle Valo 5243e705c121SKalle Valo #ifdef CONFIG_NL80211_TESTMODE 5244e705c121SKalle Valo static const struct nla_policy iwl_mvm_tm_policy[IWL_MVM_TM_ATTR_MAX + 1] = { 5245e705c121SKalle Valo [IWL_MVM_TM_ATTR_CMD] = { .type = NLA_U32 }, 5246e705c121SKalle Valo [IWL_MVM_TM_ATTR_NOA_DURATION] = { .type = NLA_U32 }, 5247e705c121SKalle Valo [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE] = { .type = NLA_U32 }, 5248e705c121SKalle Valo }; 5249e705c121SKalle Valo 5250e705c121SKalle Valo static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm, 5251e705c121SKalle Valo struct ieee80211_vif *vif, 5252e705c121SKalle Valo void *data, int len) 5253e705c121SKalle Valo { 5254e705c121SKalle Valo struct nlattr *tb[IWL_MVM_TM_ATTR_MAX + 1]; 5255e705c121SKalle Valo int err; 5256e705c121SKalle Valo u32 noa_duration; 5257e705c121SKalle Valo 52588cb08174SJohannes Berg err = nla_parse_deprecated(tb, IWL_MVM_TM_ATTR_MAX, data, len, 52598cb08174SJohannes Berg iwl_mvm_tm_policy, NULL); 5260e705c121SKalle Valo if (err) 5261e705c121SKalle Valo return err; 5262e705c121SKalle Valo 5263e705c121SKalle Valo if (!tb[IWL_MVM_TM_ATTR_CMD]) 5264e705c121SKalle Valo return -EINVAL; 5265e705c121SKalle Valo 5266e705c121SKalle Valo switch (nla_get_u32(tb[IWL_MVM_TM_ATTR_CMD])) { 5267e705c121SKalle Valo case IWL_MVM_TM_CMD_SET_NOA: 5268e705c121SKalle Valo if (!vif || vif->type != NL80211_IFTYPE_AP || !vif->p2p || 5269e705c121SKalle Valo !vif->bss_conf.enable_beacon || 5270e705c121SKalle Valo !tb[IWL_MVM_TM_ATTR_NOA_DURATION]) 5271e705c121SKalle Valo return -EINVAL; 5272e705c121SKalle Valo 5273e705c121SKalle Valo noa_duration = nla_get_u32(tb[IWL_MVM_TM_ATTR_NOA_DURATION]); 5274e705c121SKalle Valo if (noa_duration >= vif->bss_conf.beacon_int) 5275e705c121SKalle Valo return -EINVAL; 5276e705c121SKalle Valo 5277e705c121SKalle Valo mvm->noa_duration = noa_duration; 5278e705c121SKalle Valo mvm->noa_vif = vif; 5279e705c121SKalle Valo 528022b21041SShaul Triebitz return iwl_mvm_update_quotas(mvm, true, NULL); 5281e705c121SKalle Valo case IWL_MVM_TM_CMD_SET_BEACON_FILTER: 5282e705c121SKalle Valo /* must be associated client vif - ignore authorized */ 5283e705c121SKalle Valo if (!vif || vif->type != NL80211_IFTYPE_STATION || 5284f276e20bSJohannes Berg !vif->cfg.assoc || !vif->bss_conf.dtim_period || 5285e705c121SKalle Valo !tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE]) 5286e705c121SKalle Valo return -EINVAL; 5287e705c121SKalle Valo 5288e705c121SKalle Valo if (nla_get_u32(tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE])) 5289e705c121SKalle Valo return iwl_mvm_enable_beacon_filter(mvm, vif, 0); 5290e705c121SKalle Valo return iwl_mvm_disable_beacon_filter(mvm, vif, 0); 5291e705c121SKalle Valo } 5292e705c121SKalle Valo 5293e705c121SKalle Valo return -EOPNOTSUPP; 5294e705c121SKalle Valo } 5295e705c121SKalle Valo 5296cbce62a3SMiri Korenblit int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw *hw, 5297e705c121SKalle Valo struct ieee80211_vif *vif, 5298e705c121SKalle Valo void *data, int len) 5299e705c121SKalle Valo { 5300e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5301e705c121SKalle Valo int err; 5302e705c121SKalle Valo 5303e705c121SKalle Valo mutex_lock(&mvm->mutex); 5304e705c121SKalle Valo err = __iwl_mvm_mac_testmode_cmd(mvm, vif, data, len); 5305e705c121SKalle Valo mutex_unlock(&mvm->mutex); 5306e705c121SKalle Valo 5307e705c121SKalle Valo return err; 5308e705c121SKalle Valo } 5309e705c121SKalle Valo #endif 5310e705c121SKalle Valo 5311cbce62a3SMiri Korenblit void iwl_mvm_channel_switch(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 5312e705c121SKalle Valo struct ieee80211_channel_switch *chsw) 5313e705c121SKalle Valo { 5314e705c121SKalle Valo /* By implementing this operation, we prevent mac80211 from 5315e705c121SKalle Valo * starting its own channel switch timer, so that we can call 5316e705c121SKalle Valo * ieee80211_chswitch_done() ourselves at the right time 5317e705c121SKalle Valo * (which is when the absence time event starts). 5318e705c121SKalle Valo */ 5319e705c121SKalle Valo 5320e705c121SKalle Valo IWL_DEBUG_MAC80211(IWL_MAC80211_GET_MVM(hw), 5321e705c121SKalle Valo "dummy channel switch op\n"); 5322e705c121SKalle Valo } 5323e705c121SKalle Valo 532474a10252SSara Sharon static int iwl_mvm_schedule_client_csa(struct iwl_mvm *mvm, 532574a10252SSara Sharon struct ieee80211_vif *vif, 532674a10252SSara Sharon struct ieee80211_channel_switch *chsw) 532774a10252SSara Sharon { 532874a10252SSara Sharon struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 532974a10252SSara Sharon struct iwl_chan_switch_te_cmd cmd = { 533074a10252SSara Sharon .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 533174a10252SSara Sharon mvmvif->color)), 533274a10252SSara Sharon .action = cpu_to_le32(FW_CTXT_ACTION_ADD), 533374a10252SSara Sharon .tsf = cpu_to_le32(chsw->timestamp), 533474a10252SSara Sharon .cs_count = chsw->count, 533577738865SSara Sharon .cs_mode = chsw->block_tx, 533674a10252SSara Sharon }; 533774a10252SSara Sharon 533874a10252SSara Sharon lockdep_assert_held(&mvm->mutex); 533974a10252SSara Sharon 53409cfcf71cSSara Sharon if (chsw->delay) 53419cfcf71cSSara Sharon cmd.cs_delayed_bcn_count = 53429cfcf71cSSara Sharon DIV_ROUND_UP(chsw->delay, vif->bss_conf.beacon_int); 53439cfcf71cSSara Sharon 534474a10252SSara Sharon return iwl_mvm_send_cmd_pdu(mvm, 534574a10252SSara Sharon WIDE_ID(MAC_CONF_GROUP, 534674a10252SSara Sharon CHANNEL_SWITCH_TIME_EVENT_CMD), 534774a10252SSara Sharon 0, sizeof(cmd), &cmd); 534874a10252SSara Sharon } 534974a10252SSara Sharon 53500202bcf0SEmmanuel Grumbach static int iwl_mvm_old_pre_chan_sw_sta(struct iwl_mvm *mvm, 53510202bcf0SEmmanuel Grumbach struct ieee80211_vif *vif, 53520202bcf0SEmmanuel Grumbach struct ieee80211_channel_switch *chsw) 53530202bcf0SEmmanuel Grumbach { 53540202bcf0SEmmanuel Grumbach struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 53550202bcf0SEmmanuel Grumbach u32 apply_time; 53560202bcf0SEmmanuel Grumbach 53570202bcf0SEmmanuel Grumbach /* Schedule the time event to a bit before beacon 1, 53580202bcf0SEmmanuel Grumbach * to make sure we're in the new channel when the 53590202bcf0SEmmanuel Grumbach * GO/AP arrives. In case count <= 1 immediately schedule the 53600202bcf0SEmmanuel Grumbach * TE (this might result with some packet loss or connection 53610202bcf0SEmmanuel Grumbach * loss). 53620202bcf0SEmmanuel Grumbach */ 53630202bcf0SEmmanuel Grumbach if (chsw->count <= 1) 53640202bcf0SEmmanuel Grumbach apply_time = 0; 53650202bcf0SEmmanuel Grumbach else 53660202bcf0SEmmanuel Grumbach apply_time = chsw->device_timestamp + 53670202bcf0SEmmanuel Grumbach ((vif->bss_conf.beacon_int * (chsw->count - 1) - 53680202bcf0SEmmanuel Grumbach IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT) * 1024); 53690202bcf0SEmmanuel Grumbach 53700202bcf0SEmmanuel Grumbach if (chsw->block_tx) 53710202bcf0SEmmanuel Grumbach iwl_mvm_csa_client_absent(mvm, vif); 53720202bcf0SEmmanuel Grumbach 53730202bcf0SEmmanuel Grumbach if (mvmvif->bf_data.bf_enabled) { 53740202bcf0SEmmanuel Grumbach int ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); 53750202bcf0SEmmanuel Grumbach 53760202bcf0SEmmanuel Grumbach if (ret) 53770202bcf0SEmmanuel Grumbach return ret; 53780202bcf0SEmmanuel Grumbach } 53790202bcf0SEmmanuel Grumbach 53800202bcf0SEmmanuel Grumbach iwl_mvm_schedule_csa_period(mvm, vif, vif->bss_conf.beacon_int, 53810202bcf0SEmmanuel Grumbach apply_time); 53820202bcf0SEmmanuel Grumbach 53830202bcf0SEmmanuel Grumbach return 0; 53840202bcf0SEmmanuel Grumbach } 53850202bcf0SEmmanuel Grumbach 5386f6780614SSara Sharon #define IWL_MAX_CSA_BLOCK_TX 1500 5387cbce62a3SMiri Korenblit int iwl_mvm_pre_channel_switch(struct ieee80211_hw *hw, 5388e705c121SKalle Valo struct ieee80211_vif *vif, 5389e705c121SKalle Valo struct ieee80211_channel_switch *chsw) 5390e705c121SKalle Valo { 5391e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5392e705c121SKalle Valo struct ieee80211_vif *csa_vif; 5393e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5394e705c121SKalle Valo int ret; 5395e705c121SKalle Valo 5396e705c121SKalle Valo mutex_lock(&mvm->mutex); 5397e705c121SKalle Valo 5398e705c121SKalle Valo mvmvif->csa_failed = false; 5399e705c121SKalle Valo 5400e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "pre CSA to freq %d\n", 5401e705c121SKalle Valo chsw->chandef.center_freq1); 5402e705c121SKalle Valo 54037174beb6SJohannes Berg iwl_fw_dbg_trigger_simple_stop(&mvm->fwrt, 54047174beb6SJohannes Berg ieee80211_vif_to_wdev(vif), 54057174beb6SJohannes Berg FW_DBG_TRIGGER_CHANNEL_SWITCH); 5406e705c121SKalle Valo 5407e705c121SKalle Valo switch (vif->type) { 5408e705c121SKalle Valo case NL80211_IFTYPE_AP: 5409e705c121SKalle Valo csa_vif = 5410e705c121SKalle Valo rcu_dereference_protected(mvm->csa_vif, 5411e705c121SKalle Valo lockdep_is_held(&mvm->mutex)); 5412d0a9123eSJohannes Berg if (WARN_ONCE(csa_vif && csa_vif->bss_conf.csa_active, 5413e705c121SKalle Valo "Another CSA is already in progress")) { 5414e705c121SKalle Valo ret = -EBUSY; 5415e705c121SKalle Valo goto out_unlock; 5416e705c121SKalle Valo } 5417e705c121SKalle Valo 5418d3a108a4SAndrei Otcheretianski /* we still didn't unblock tx. prevent new CS meanwhile */ 5419d3a108a4SAndrei Otcheretianski if (rcu_dereference_protected(mvm->csa_tx_blocked_vif, 5420d3a108a4SAndrei Otcheretianski lockdep_is_held(&mvm->mutex))) { 5421d3a108a4SAndrei Otcheretianski ret = -EBUSY; 5422d3a108a4SAndrei Otcheretianski goto out_unlock; 5423d3a108a4SAndrei Otcheretianski } 5424d3a108a4SAndrei Otcheretianski 5425e705c121SKalle Valo rcu_assign_pointer(mvm->csa_vif, vif); 5426e705c121SKalle Valo 5427e705c121SKalle Valo if (WARN_ONCE(mvmvif->csa_countdown, 5428e705c121SKalle Valo "Previous CSA countdown didn't complete")) { 5429e705c121SKalle Valo ret = -EBUSY; 5430e705c121SKalle Valo goto out_unlock; 5431e705c121SKalle Valo } 5432e705c121SKalle Valo 5433d3a108a4SAndrei Otcheretianski mvmvif->csa_target_freq = chsw->chandef.chan->center_freq; 5434d3a108a4SAndrei Otcheretianski 5435e705c121SKalle Valo break; 5436e705c121SKalle Valo case NL80211_IFTYPE_STATION: 54372360acbdSEmmanuel Grumbach /* 5438ad12b231SNathan Errera * In the new flow FW is in charge of timing the switch so there 5439ad12b231SNathan Errera * is no need for all of this 5440ad12b231SNathan Errera */ 5441ad12b231SNathan Errera if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP, 5442ad12b231SNathan Errera CHANNEL_SWITCH_ERROR_NOTIF, 5443ad12b231SNathan Errera 0)) 5444ad12b231SNathan Errera break; 5445ad12b231SNathan Errera 5446ad12b231SNathan Errera /* 54472360acbdSEmmanuel Grumbach * We haven't configured the firmware to be associated yet since 54482360acbdSEmmanuel Grumbach * we don't know the dtim period. In this case, the firmware can't 54492360acbdSEmmanuel Grumbach * track the beacons. 54502360acbdSEmmanuel Grumbach */ 5451f276e20bSJohannes Berg if (!vif->cfg.assoc || !vif->bss_conf.dtim_period) { 54522360acbdSEmmanuel Grumbach ret = -EBUSY; 54532360acbdSEmmanuel Grumbach goto out_unlock; 54542360acbdSEmmanuel Grumbach } 54552360acbdSEmmanuel Grumbach 545687d9564eSJohannes Berg if (chsw->delay > IWL_MAX_CSA_BLOCK_TX) 545787d9564eSJohannes Berg schedule_delayed_work(&mvmvif->csa_work, 0); 545887d9564eSJohannes Berg 5459f6780614SSara Sharon if (chsw->block_tx) { 5460f6780614SSara Sharon /* 5461f6780614SSara Sharon * In case of undetermined / long time with immediate 5462f6780614SSara Sharon * quiet monitor status to gracefully disconnect 5463f6780614SSara Sharon */ 5464f6780614SSara Sharon if (!chsw->count || 5465f6780614SSara Sharon chsw->count * vif->bss_conf.beacon_int > 5466f6780614SSara Sharon IWL_MAX_CSA_BLOCK_TX) 5467f6780614SSara Sharon schedule_delayed_work(&mvmvif->csa_work, 5468f6780614SSara Sharon msecs_to_jiffies(IWL_MAX_CSA_BLOCK_TX)); 5469f6780614SSara Sharon } 5470e705c121SKalle Valo 54710202bcf0SEmmanuel Grumbach if (!fw_has_capa(&mvm->fw->ucode_capa, 54720202bcf0SEmmanuel Grumbach IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 54730202bcf0SEmmanuel Grumbach ret = iwl_mvm_old_pre_chan_sw_sta(mvm, vif, chsw); 5474e705c121SKalle Valo if (ret) 5475e705c121SKalle Valo goto out_unlock; 54760202bcf0SEmmanuel Grumbach } else { 547774a10252SSara Sharon iwl_mvm_schedule_client_csa(mvm, vif, chsw); 54780202bcf0SEmmanuel Grumbach } 547981b4e44eSSara Sharon 548081b4e44eSSara Sharon mvmvif->csa_count = chsw->count; 548181b4e44eSSara Sharon mvmvif->csa_misbehave = false; 5482e705c121SKalle Valo break; 5483e705c121SKalle Valo default: 5484e705c121SKalle Valo break; 5485e705c121SKalle Valo } 5486e705c121SKalle Valo 5487e705c121SKalle Valo mvmvif->ps_disabled = true; 5488e705c121SKalle Valo 5489e705c121SKalle Valo ret = iwl_mvm_power_update_ps(mvm); 5490e705c121SKalle Valo if (ret) 5491e705c121SKalle Valo goto out_unlock; 5492e705c121SKalle Valo 5493e705c121SKalle Valo /* we won't be on this channel any longer */ 5494e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 5495e705c121SKalle Valo 5496e705c121SKalle Valo out_unlock: 5497e705c121SKalle Valo mutex_unlock(&mvm->mutex); 5498e705c121SKalle Valo 5499e705c121SKalle Valo return ret; 5500e705c121SKalle Valo } 5501e705c121SKalle Valo 5502cbce62a3SMiri Korenblit void iwl_mvm_channel_switch_rx_beacon(struct ieee80211_hw *hw, 5503c37763d2SSara Sharon struct ieee80211_vif *vif, 5504c37763d2SSara Sharon struct ieee80211_channel_switch *chsw) 5505e705c121SKalle Valo { 5506e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5507c37763d2SSara Sharon struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5508c37763d2SSara Sharon struct iwl_chan_switch_te_cmd cmd = { 5509c37763d2SSara Sharon .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 5510c37763d2SSara Sharon mvmvif->color)), 5511c37763d2SSara Sharon .action = cpu_to_le32(FW_CTXT_ACTION_MODIFY), 5512c37763d2SSara Sharon .tsf = cpu_to_le32(chsw->timestamp), 5513c37763d2SSara Sharon .cs_count = chsw->count, 551477738865SSara Sharon .cs_mode = chsw->block_tx, 5515c37763d2SSara Sharon }; 5516e705c121SKalle Valo 5517ad12b231SNathan Errera /* 5518ad12b231SNathan Errera * In the new flow FW is in charge of timing the switch so there is no 5519ad12b231SNathan Errera * need for all of this 5520ad12b231SNathan Errera */ 5521ad12b231SNathan Errera if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP, 5522ad12b231SNathan Errera CHANNEL_SWITCH_ERROR_NOTIF, 0)) 5523ad12b231SNathan Errera return; 5524ad12b231SNathan Errera 5525c37763d2SSara Sharon if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CS_MODIFY)) 5526c37763d2SSara Sharon return; 5527e705c121SKalle Valo 5528c3eae059SGregory Greenman IWL_DEBUG_MAC80211(mvm, "Modify CSA on mac %d count = %d (old %d) mode = %d\n", 5529c3eae059SGregory Greenman mvmvif->id, chsw->count, mvmvif->csa_count, chsw->block_tx); 5530c3eae059SGregory Greenman 553181b4e44eSSara Sharon if (chsw->count >= mvmvif->csa_count && chsw->block_tx) { 553281b4e44eSSara Sharon if (mvmvif->csa_misbehave) { 553381b4e44eSSara Sharon /* Second time, give up on this AP*/ 553481b4e44eSSara Sharon iwl_mvm_abort_channel_switch(hw, vif); 553581b4e44eSSara Sharon ieee80211_chswitch_done(vif, false); 553681b4e44eSSara Sharon mvmvif->csa_misbehave = false; 553781b4e44eSSara Sharon return; 5538e705c121SKalle Valo } 553981b4e44eSSara Sharon mvmvif->csa_misbehave = true; 5540e705c121SKalle Valo } 554181b4e44eSSara Sharon mvmvif->csa_count = chsw->count; 5542e705c121SKalle Valo 5543caf46377SSara Sharon mutex_lock(&mvm->mutex); 5544caf46377SSara Sharon if (mvmvif->csa_failed) 5545caf46377SSara Sharon goto out_unlock; 5546e705c121SKalle Valo 5547c37763d2SSara Sharon WARN_ON(iwl_mvm_send_cmd_pdu(mvm, 5548c37763d2SSara Sharon WIDE_ID(MAC_CONF_GROUP, 5549c37763d2SSara Sharon CHANNEL_SWITCH_TIME_EVENT_CMD), 5550caf46377SSara Sharon 0, sizeof(cmd), &cmd)); 5551caf46377SSara Sharon out_unlock: 5552caf46377SSara Sharon mutex_unlock(&mvm->mutex); 5553e705c121SKalle Valo } 5554e705c121SKalle Valo 55556110d9e5SDavid Spinadel static void iwl_mvm_flush_no_vif(struct iwl_mvm *mvm, u32 queues, bool drop) 55566110d9e5SDavid Spinadel { 5557435d0827SSara Sharon int i; 5558435d0827SSara Sharon 555906195639SSara Sharon if (!iwl_mvm_has_new_tx_api(mvm)) { 5560309c4848SLuca Coelho if (drop) { 5561309c4848SLuca Coelho mutex_lock(&mvm->mutex); 55626110d9e5SDavid Spinadel iwl_mvm_flush_tx_path(mvm, 5563d4e3a341SMordechay Goodstein iwl_mvm_flushable_queues(mvm) & queues); 5564309c4848SLuca Coelho mutex_unlock(&mvm->mutex); 5565309c4848SLuca Coelho } else { 5566435d0827SSara Sharon iwl_trans_wait_tx_queues_empty(mvm->trans, queues); 5567309c4848SLuca Coelho } 5568435d0827SSara Sharon return; 5569435d0827SSara Sharon } 55706110d9e5SDavid Spinadel 55716110d9e5SDavid Spinadel mutex_lock(&mvm->mutex); 5572be9ae34eSNathan Errera for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) { 5573435d0827SSara Sharon struct ieee80211_sta *sta; 5574435d0827SSara Sharon 5575435d0827SSara Sharon sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], 55766110d9e5SDavid Spinadel lockdep_is_held(&mvm->mutex)); 55776110d9e5SDavid Spinadel if (IS_ERR_OR_NULL(sta)) 55786110d9e5SDavid Spinadel continue; 55796110d9e5SDavid Spinadel 558006195639SSara Sharon if (drop) 5581d4e3a341SMordechay Goodstein iwl_mvm_flush_sta_tids(mvm, i, 0xFFFF); 558206195639SSara Sharon else 55836110d9e5SDavid Spinadel iwl_mvm_wait_sta_queues_empty(mvm, 55846110d9e5SDavid Spinadel iwl_mvm_sta_from_mac80211(sta)); 55856110d9e5SDavid Spinadel } 55866110d9e5SDavid Spinadel mutex_unlock(&mvm->mutex); 55876110d9e5SDavid Spinadel } 55886110d9e5SDavid Spinadel 5589cbce62a3SMiri Korenblit void iwl_mvm_mac_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 5590cbce62a3SMiri Korenblit u32 queues, bool drop) 5591e705c121SKalle Valo { 5592e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5593e705c121SKalle Valo struct iwl_mvm_vif *mvmvif; 5594e705c121SKalle Valo struct iwl_mvm_sta *mvmsta; 5595e705c121SKalle Valo struct ieee80211_sta *sta; 5596d3f9cd61SJohannes Berg bool ap_sta_done = false; 5597e705c121SKalle Valo int i; 5598e705c121SKalle Valo u32 msk = 0; 5599e705c121SKalle Valo 56006110d9e5SDavid Spinadel if (!vif) { 56016110d9e5SDavid Spinadel iwl_mvm_flush_no_vif(mvm, queues, drop); 56026110d9e5SDavid Spinadel return; 56036110d9e5SDavid Spinadel } 56046110d9e5SDavid Spinadel 56056110d9e5SDavid Spinadel if (vif->type != NL80211_IFTYPE_STATION) 5606e705c121SKalle Valo return; 5607e705c121SKalle Valo 560824afba76SLiad Kaufman /* Make sure we're done with the deferred traffic before flushing */ 560924afba76SLiad Kaufman flush_work(&mvm->add_stream_wk); 561024afba76SLiad Kaufman 5611e705c121SKalle Valo mutex_lock(&mvm->mutex); 5612e705c121SKalle Valo mvmvif = iwl_mvm_vif_from_mac80211(vif); 5613e705c121SKalle Valo 5614e705c121SKalle Valo /* flush the AP-station and all TDLS peers */ 5615be9ae34eSNathan Errera for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) { 5616e705c121SKalle Valo sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], 5617e705c121SKalle Valo lockdep_is_held(&mvm->mutex)); 5618e705c121SKalle Valo if (IS_ERR_OR_NULL(sta)) 5619e705c121SKalle Valo continue; 5620e705c121SKalle Valo 5621e705c121SKalle Valo mvmsta = iwl_mvm_sta_from_mac80211(sta); 5622e705c121SKalle Valo if (mvmsta->vif != vif) 5623e705c121SKalle Valo continue; 5624e705c121SKalle Valo 5625d3f9cd61SJohannes Berg if (sta == mvmvif->ap_sta) { 5626d3f9cd61SJohannes Berg if (ap_sta_done) 5627d3f9cd61SJohannes Berg continue; 5628d3f9cd61SJohannes Berg ap_sta_done = true; 5629d3f9cd61SJohannes Berg } 5630d3f9cd61SJohannes Berg 5631e705c121SKalle Valo /* make sure only TDLS peers or the AP are flushed */ 5632d3f9cd61SJohannes Berg WARN_ON_ONCE(sta != mvmvif->ap_sta && !sta->tdls); 5633e705c121SKalle Valo 5634d49394a1SSara Sharon if (drop) { 5635f9084775SNathan Errera if (iwl_mvm_flush_sta(mvm, mvmsta, false)) 5636d49394a1SSara Sharon IWL_ERR(mvm, "flush request fail\n"); 5637d49394a1SSara Sharon } else { 5638d6d517b7SSara Sharon if (iwl_mvm_has_new_tx_api(mvm)) 5639d6d517b7SSara Sharon iwl_mvm_wait_sta_queues_empty(mvm, mvmsta); 5640f7bd883bSJohannes Berg else /* only used for !iwl_mvm_has_new_tx_api() below */ 5641f7bd883bSJohannes Berg msk |= mvmsta->tfd_queue_msk; 5642e705c121SKalle Valo } 5643d49394a1SSara Sharon } 5644e705c121SKalle Valo 5645e705c121SKalle Valo mutex_unlock(&mvm->mutex); 5646e705c121SKalle Valo 5647e705c121SKalle Valo /* this can take a while, and we may need/want other operations 5648e705c121SKalle Valo * to succeed while doing this, so do it without the mutex held 5649e705c121SKalle Valo */ 5650d6d517b7SSara Sharon if (!drop && !iwl_mvm_has_new_tx_api(mvm)) 5651a1a57877SSara Sharon iwl_trans_wait_tx_queues_empty(mvm->trans, msk); 5652e705c121SKalle Valo } 5653e705c121SKalle Valo 5654cbce62a3SMiri Korenblit int iwl_mvm_mac_get_survey(struct ieee80211_hw *hw, int idx, 5655e705c121SKalle Valo struct survey_info *survey) 5656e705c121SKalle Valo { 5657e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5658e705c121SKalle Valo int ret; 5659e705c121SKalle Valo 5660e705c121SKalle Valo memset(survey, 0, sizeof(*survey)); 5661e705c121SKalle Valo 5662e705c121SKalle Valo /* only support global statistics right now */ 5663e705c121SKalle Valo if (idx != 0) 5664e705c121SKalle Valo return -ENOENT; 5665e705c121SKalle Valo 5666280a3efaSJohannes Berg if (!fw_has_capa(&mvm->fw->ucode_capa, 5667e705c121SKalle Valo IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS)) 5668e705c121SKalle Valo return -ENOENT; 5669e705c121SKalle Valo 5670e705c121SKalle Valo mutex_lock(&mvm->mutex); 5671e705c121SKalle Valo 5672aab6930dSJohannes Berg if (iwl_mvm_firmware_running(mvm)) { 5673e705c121SKalle Valo ret = iwl_mvm_request_statistics(mvm, false); 5674e705c121SKalle Valo if (ret) 5675e705c121SKalle Valo goto out; 5676e705c121SKalle Valo } 5677e705c121SKalle Valo 5678e705c121SKalle Valo survey->filled = SURVEY_INFO_TIME | 5679e705c121SKalle Valo SURVEY_INFO_TIME_RX | 5680e705c121SKalle Valo SURVEY_INFO_TIME_TX | 5681e705c121SKalle Valo SURVEY_INFO_TIME_SCAN; 5682e705c121SKalle Valo survey->time = mvm->accu_radio_stats.on_time_rf + 5683e705c121SKalle Valo mvm->radio_stats.on_time_rf; 5684e705c121SKalle Valo do_div(survey->time, USEC_PER_MSEC); 5685e705c121SKalle Valo 5686e705c121SKalle Valo survey->time_rx = mvm->accu_radio_stats.rx_time + 5687e705c121SKalle Valo mvm->radio_stats.rx_time; 5688e705c121SKalle Valo do_div(survey->time_rx, USEC_PER_MSEC); 5689e705c121SKalle Valo 5690e705c121SKalle Valo survey->time_tx = mvm->accu_radio_stats.tx_time + 5691e705c121SKalle Valo mvm->radio_stats.tx_time; 5692e705c121SKalle Valo do_div(survey->time_tx, USEC_PER_MSEC); 5693e705c121SKalle Valo 5694e705c121SKalle Valo survey->time_scan = mvm->accu_radio_stats.on_time_scan + 5695e705c121SKalle Valo mvm->radio_stats.on_time_scan; 5696e705c121SKalle Valo do_div(survey->time_scan, USEC_PER_MSEC); 5697e705c121SKalle Valo 5698e705c121SKalle Valo ret = 0; 5699e705c121SKalle Valo out: 5700e705c121SKalle Valo mutex_unlock(&mvm->mutex); 5701e705c121SKalle Valo return ret; 5702e705c121SKalle Valo } 5703e705c121SKalle Valo 5704ed780545SJohannes Berg static void iwl_mvm_set_sta_rate(u32 rate_n_flags, struct rate_info *rinfo) 5705ed780545SJohannes Berg { 570682cdbd11SMiri Korenblit u32 format = rate_n_flags & RATE_MCS_MOD_TYPE_MSK; 57077138763eSJohannes Berg u32 gi_ltf; 570882cdbd11SMiri Korenblit 570982cdbd11SMiri Korenblit switch (rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK) { 5710ed780545SJohannes Berg case RATE_MCS_CHAN_WIDTH_20: 5711ed780545SJohannes Berg rinfo->bw = RATE_INFO_BW_20; 5712ed780545SJohannes Berg break; 5713ed780545SJohannes Berg case RATE_MCS_CHAN_WIDTH_40: 5714ed780545SJohannes Berg rinfo->bw = RATE_INFO_BW_40; 5715ed780545SJohannes Berg break; 5716ed780545SJohannes Berg case RATE_MCS_CHAN_WIDTH_80: 5717ed780545SJohannes Berg rinfo->bw = RATE_INFO_BW_80; 5718ed780545SJohannes Berg break; 5719ed780545SJohannes Berg case RATE_MCS_CHAN_WIDTH_160: 5720ed780545SJohannes Berg rinfo->bw = RATE_INFO_BW_160; 5721ed780545SJohannes Berg break; 572223dcee94SJohannes Berg case RATE_MCS_CHAN_WIDTH_320: 572323dcee94SJohannes Berg rinfo->bw = RATE_INFO_BW_320; 572423dcee94SJohannes Berg break; 5725ed780545SJohannes Berg } 5726ed780545SJohannes Berg 572782cdbd11SMiri Korenblit if (format == RATE_MCS_CCK_MSK || 572882cdbd11SMiri Korenblit format == RATE_MCS_LEGACY_OFDM_MSK) { 572982cdbd11SMiri Korenblit int rate = u32_get_bits(rate_n_flags, RATE_LEGACY_RATE_MSK); 573082cdbd11SMiri Korenblit 573182cdbd11SMiri Korenblit /* add the offset needed to get to the legacy ofdm indices */ 573282cdbd11SMiri Korenblit if (format == RATE_MCS_LEGACY_OFDM_MSK) 573382cdbd11SMiri Korenblit rate += IWL_FIRST_OFDM_RATE; 573482cdbd11SMiri Korenblit 573582cdbd11SMiri Korenblit switch (rate) { 573682cdbd11SMiri Korenblit case IWL_RATE_1M_INDEX: 573782cdbd11SMiri Korenblit rinfo->legacy = 10; 573882cdbd11SMiri Korenblit break; 573982cdbd11SMiri Korenblit case IWL_RATE_2M_INDEX: 574082cdbd11SMiri Korenblit rinfo->legacy = 20; 574182cdbd11SMiri Korenblit break; 574282cdbd11SMiri Korenblit case IWL_RATE_5M_INDEX: 574382cdbd11SMiri Korenblit rinfo->legacy = 55; 574482cdbd11SMiri Korenblit break; 574582cdbd11SMiri Korenblit case IWL_RATE_11M_INDEX: 574682cdbd11SMiri Korenblit rinfo->legacy = 110; 574782cdbd11SMiri Korenblit break; 574882cdbd11SMiri Korenblit case IWL_RATE_6M_INDEX: 574982cdbd11SMiri Korenblit rinfo->legacy = 60; 575082cdbd11SMiri Korenblit break; 575182cdbd11SMiri Korenblit case IWL_RATE_9M_INDEX: 575282cdbd11SMiri Korenblit rinfo->legacy = 90; 575382cdbd11SMiri Korenblit break; 575482cdbd11SMiri Korenblit case IWL_RATE_12M_INDEX: 575582cdbd11SMiri Korenblit rinfo->legacy = 120; 575682cdbd11SMiri Korenblit break; 575782cdbd11SMiri Korenblit case IWL_RATE_18M_INDEX: 575882cdbd11SMiri Korenblit rinfo->legacy = 180; 575982cdbd11SMiri Korenblit break; 576082cdbd11SMiri Korenblit case IWL_RATE_24M_INDEX: 576182cdbd11SMiri Korenblit rinfo->legacy = 240; 576282cdbd11SMiri Korenblit break; 576382cdbd11SMiri Korenblit case IWL_RATE_36M_INDEX: 576482cdbd11SMiri Korenblit rinfo->legacy = 360; 576582cdbd11SMiri Korenblit break; 576682cdbd11SMiri Korenblit case IWL_RATE_48M_INDEX: 576782cdbd11SMiri Korenblit rinfo->legacy = 480; 576882cdbd11SMiri Korenblit break; 576982cdbd11SMiri Korenblit case IWL_RATE_54M_INDEX: 577082cdbd11SMiri Korenblit rinfo->legacy = 540; 577182cdbd11SMiri Korenblit } 577282cdbd11SMiri Korenblit return; 577382cdbd11SMiri Korenblit } 577482cdbd11SMiri Korenblit 5775ed780545SJohannes Berg rinfo->nss = u32_get_bits(rate_n_flags, 577682cdbd11SMiri Korenblit RATE_MCS_NSS_MSK) + 1; 577782cdbd11SMiri Korenblit rinfo->mcs = format == RATE_MCS_HT_MSK ? 577882cdbd11SMiri Korenblit RATE_HT_MCS_INDEX(rate_n_flags) : 577982cdbd11SMiri Korenblit u32_get_bits(rate_n_flags, RATE_MCS_CODE_MSK); 578082cdbd11SMiri Korenblit 57817138763eSJohannes Berg if (rate_n_flags & RATE_MCS_SGI_MSK) 57827138763eSJohannes Berg rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; 57837138763eSJohannes Berg 57847138763eSJohannes Berg switch (format) { 578523dcee94SJohannes Berg case RATE_MCS_EHT_MSK: 578623dcee94SJohannes Berg /* TODO: GI/LTF/RU. How does the firmware encode them? */ 578723dcee94SJohannes Berg rinfo->flags |= RATE_INFO_FLAGS_EHT_MCS; 578823dcee94SJohannes Berg break; 57897138763eSJohannes Berg case RATE_MCS_HE_MSK: 57907138763eSJohannes Berg gi_ltf = u32_get_bits(rate_n_flags, RATE_MCS_HE_GI_LTF_MSK); 5791ed780545SJohannes Berg 5792ed780545SJohannes Berg rinfo->flags |= RATE_INFO_FLAGS_HE_MCS; 5793ed780545SJohannes Berg 579482cdbd11SMiri Korenblit if (rate_n_flags & RATE_MCS_HE_106T_MSK) { 5795ed780545SJohannes Berg rinfo->bw = RATE_INFO_BW_HE_RU; 5796ed780545SJohannes Berg rinfo->he_ru_alloc = NL80211_RATE_INFO_HE_RU_ALLOC_106; 5797ed780545SJohannes Berg } 5798ed780545SJohannes Berg 579982cdbd11SMiri Korenblit switch (rate_n_flags & RATE_MCS_HE_TYPE_MSK) { 580082cdbd11SMiri Korenblit case RATE_MCS_HE_TYPE_SU: 580182cdbd11SMiri Korenblit case RATE_MCS_HE_TYPE_EXT_SU: 5802ed780545SJohannes Berg if (gi_ltf == 0 || gi_ltf == 1) 5803ed780545SJohannes Berg rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 5804ed780545SJohannes Berg else if (gi_ltf == 2) 5805ed780545SJohannes Berg rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 580682cdbd11SMiri Korenblit else if (gi_ltf == 3) 5807ed780545SJohannes Berg rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 580882cdbd11SMiri Korenblit else 580982cdbd11SMiri Korenblit rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 5810ed780545SJohannes Berg break; 581182cdbd11SMiri Korenblit case RATE_MCS_HE_TYPE_MU: 5812ed780545SJohannes Berg if (gi_ltf == 0 || gi_ltf == 1) 5813ed780545SJohannes Berg rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 5814ed780545SJohannes Berg else if (gi_ltf == 2) 5815ed780545SJohannes Berg rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 5816ed780545SJohannes Berg else 5817ed780545SJohannes Berg rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 5818ed780545SJohannes Berg break; 581982cdbd11SMiri Korenblit case RATE_MCS_HE_TYPE_TRIG: 5820ed780545SJohannes Berg if (gi_ltf == 0 || gi_ltf == 1) 5821ed780545SJohannes Berg rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 5822ed780545SJohannes Berg else 5823ed780545SJohannes Berg rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 5824ed780545SJohannes Berg break; 5825ed780545SJohannes Berg } 5826ed780545SJohannes Berg 5827ed780545SJohannes Berg if (rate_n_flags & RATE_HE_DUAL_CARRIER_MODE_MSK) 5828ed780545SJohannes Berg rinfo->he_dcm = 1; 58297138763eSJohannes Berg break; 58307138763eSJohannes Berg case RATE_MCS_HT_MSK: 583182cdbd11SMiri Korenblit rinfo->flags |= RATE_INFO_FLAGS_MCS; 58327138763eSJohannes Berg break; 58337138763eSJohannes Berg case RATE_MCS_VHT_MSK: 583482cdbd11SMiri Korenblit rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; 58357138763eSJohannes Berg break; 5836ed780545SJohannes Berg } 5837ed780545SJohannes Berg } 5838ed780545SJohannes Berg 5839cbce62a3SMiri Korenblit void iwl_mvm_mac_sta_statistics(struct ieee80211_hw *hw, 5840e705c121SKalle Valo struct ieee80211_vif *vif, 5841e705c121SKalle Valo struct ieee80211_sta *sta, 5842e705c121SKalle Valo struct station_info *sinfo) 5843e705c121SKalle Valo { 5844e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5845e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5846e705c121SKalle Valo struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 5847e705c121SKalle Valo 5848c8ee33e1SGregory Greenman if (mvmsta->deflink.avg_energy) { 5849c8ee33e1SGregory Greenman sinfo->signal_avg = -(s8)mvmsta->deflink.avg_energy; 585022d0d2faSOmer Efrat sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG); 5851988b5968SSara Sharon } 5852988b5968SSara Sharon 5853ed780545SJohannes Berg if (iwl_mvm_has_tlc_offload(mvm)) { 5854c8ee33e1SGregory Greenman struct iwl_lq_sta_rs_fw *lq_sta = &mvmsta->deflink.lq_sta.rs_fw; 5855ed780545SJohannes Berg 5856ed780545SJohannes Berg iwl_mvm_set_sta_rate(lq_sta->last_rate_n_flags, &sinfo->txrate); 5857ed780545SJohannes Berg sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 5858ed780545SJohannes Berg } 5859ed780545SJohannes Berg 5860e705c121SKalle Valo /* if beacon filtering isn't on mac80211 does it anyway */ 5861e705c121SKalle Valo if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER)) 5862e705c121SKalle Valo return; 5863e705c121SKalle Valo 5864f276e20bSJohannes Berg if (!vif->cfg.assoc) 5865e705c121SKalle Valo return; 5866e705c121SKalle Valo 5867e705c121SKalle Valo mutex_lock(&mvm->mutex); 5868e705c121SKalle Valo 5869c8ee33e1SGregory Greenman if (mvmvif->deflink.ap_sta_id != mvmsta->deflink.sta_id) 5870e705c121SKalle Valo goto unlock; 5871e705c121SKalle Valo 5872e705c121SKalle Valo if (iwl_mvm_request_statistics(mvm, false)) 5873e705c121SKalle Valo goto unlock; 5874e705c121SKalle Valo 5875650cadb7SGregory Greenman sinfo->rx_beacon = mvmvif->deflink.beacon_stats.num_beacons + 5876650cadb7SGregory Greenman mvmvif->deflink.beacon_stats.accu_num_beacons; 587722d0d2faSOmer Efrat sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_RX); 5878650cadb7SGregory Greenman if (mvmvif->deflink.beacon_stats.avg_signal) { 5879e705c121SKalle Valo /* firmware only reports a value after RXing a few beacons */ 5880650cadb7SGregory Greenman sinfo->rx_beacon_signal_avg = 5881650cadb7SGregory Greenman mvmvif->deflink.beacon_stats.avg_signal; 588222d0d2faSOmer Efrat sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG); 5883e705c121SKalle Valo } 5884e705c121SKalle Valo unlock: 5885e705c121SKalle Valo mutex_unlock(&mvm->mutex); 5886e705c121SKalle Valo } 5887e705c121SKalle Valo 5888119c2a13SMordechay Goodstein static void iwl_mvm_event_mlme_callback_ini(struct iwl_mvm *mvm, 5889119c2a13SMordechay Goodstein struct ieee80211_vif *vif, 5890119c2a13SMordechay Goodstein const struct ieee80211_mlme_event *mlme) 5891119c2a13SMordechay Goodstein { 58921a81bddfSMordechay Goodstein if ((mlme->data == ASSOC_EVENT || mlme->data == AUTH_EVENT) && 58931a81bddfSMordechay Goodstein (mlme->status == MLME_DENIED || mlme->status == MLME_TIMEOUT)) { 5894119c2a13SMordechay Goodstein iwl_dbg_tlv_time_point(&mvm->fwrt, 5895119c2a13SMordechay Goodstein IWL_FW_INI_TIME_POINT_ASSOC_FAILED, 5896119c2a13SMordechay Goodstein NULL); 5897119c2a13SMordechay Goodstein return; 5898119c2a13SMordechay Goodstein } 5899119c2a13SMordechay Goodstein 5900119c2a13SMordechay Goodstein if (mlme->data == DEAUTH_RX_EVENT || mlme->data == DEAUTH_TX_EVENT) { 5901119c2a13SMordechay Goodstein iwl_dbg_tlv_time_point(&mvm->fwrt, 5902119c2a13SMordechay Goodstein IWL_FW_INI_TIME_POINT_DEASSOC, 5903119c2a13SMordechay Goodstein NULL); 5904119c2a13SMordechay Goodstein return; 5905119c2a13SMordechay Goodstein } 5906119c2a13SMordechay Goodstein } 5907119c2a13SMordechay Goodstein 5908e705c121SKalle Valo static void iwl_mvm_event_mlme_callback(struct iwl_mvm *mvm, 5909e705c121SKalle Valo struct ieee80211_vif *vif, 5910e705c121SKalle Valo const struct ieee80211_event *event) 5911e705c121SKalle Valo { 59124c324a51SLuca Coelho #define CHECK_MLME_TRIGGER(_cnt, _fmt...) \ 5913e705c121SKalle Valo do { \ 59144c324a51SLuca Coelho if ((trig_mlme->_cnt) && --(trig_mlme->_cnt)) \ 5915e705c121SKalle Valo break; \ 59167174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&(mvm)->fwrt, trig, _fmt); \ 5917e705c121SKalle Valo } while (0) 5918e705c121SKalle Valo 5919e705c121SKalle Valo struct iwl_fw_dbg_trigger_tlv *trig; 5920e705c121SKalle Valo struct iwl_fw_dbg_trigger_mlme *trig_mlme; 5921e705c121SKalle Valo 5922119c2a13SMordechay Goodstein if (iwl_trans_dbg_ini_valid(mvm->trans)) { 5923119c2a13SMordechay Goodstein iwl_mvm_event_mlme_callback_ini(mvm, vif, &event->u.mlme); 5924119c2a13SMordechay Goodstein return; 5925119c2a13SMordechay Goodstein } 5926119c2a13SMordechay Goodstein 59276c042d75SSara Sharon trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 59286c042d75SSara Sharon FW_DBG_TRIGGER_MLME); 59296c042d75SSara Sharon if (!trig) 5930e705c121SKalle Valo return; 5931e705c121SKalle Valo 5932e705c121SKalle Valo trig_mlme = (void *)trig->data; 5933e705c121SKalle Valo 5934e705c121SKalle Valo if (event->u.mlme.data == ASSOC_EVENT) { 5935e705c121SKalle Valo if (event->u.mlme.status == MLME_DENIED) 59364c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_assoc_denied, 5937e705c121SKalle Valo "DENIED ASSOC: reason %d", 5938e705c121SKalle Valo event->u.mlme.reason); 5939e705c121SKalle Valo else if (event->u.mlme.status == MLME_TIMEOUT) 59404c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_assoc_timeout, 5941e705c121SKalle Valo "ASSOC TIMEOUT"); 5942e705c121SKalle Valo } else if (event->u.mlme.data == AUTH_EVENT) { 5943e705c121SKalle Valo if (event->u.mlme.status == MLME_DENIED) 59444c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_auth_denied, 5945e705c121SKalle Valo "DENIED AUTH: reason %d", 5946e705c121SKalle Valo event->u.mlme.reason); 5947e705c121SKalle Valo else if (event->u.mlme.status == MLME_TIMEOUT) 59484c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_auth_timeout, 5949e705c121SKalle Valo "AUTH TIMEOUT"); 5950e705c121SKalle Valo } else if (event->u.mlme.data == DEAUTH_RX_EVENT) { 59514c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_rx_deauth, 5952e705c121SKalle Valo "DEAUTH RX %d", event->u.mlme.reason); 5953e705c121SKalle Valo } else if (event->u.mlme.data == DEAUTH_TX_EVENT) { 59544c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_tx_deauth, 5955e705c121SKalle Valo "DEAUTH TX %d", event->u.mlme.reason); 5956e705c121SKalle Valo } 5957e705c121SKalle Valo #undef CHECK_MLME_TRIGGER 5958e705c121SKalle Valo } 5959e705c121SKalle Valo 5960e705c121SKalle Valo static void iwl_mvm_event_bar_rx_callback(struct iwl_mvm *mvm, 5961e705c121SKalle Valo struct ieee80211_vif *vif, 5962e705c121SKalle Valo const struct ieee80211_event *event) 5963e705c121SKalle Valo { 5964e705c121SKalle Valo struct iwl_fw_dbg_trigger_tlv *trig; 5965e705c121SKalle Valo struct iwl_fw_dbg_trigger_ba *ba_trig; 5966e705c121SKalle Valo 59676c042d75SSara Sharon trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 59686c042d75SSara Sharon FW_DBG_TRIGGER_BA); 59696c042d75SSara Sharon if (!trig) 5970e705c121SKalle Valo return; 5971e705c121SKalle Valo 5972e705c121SKalle Valo ba_trig = (void *)trig->data; 5973e705c121SKalle Valo 5974e705c121SKalle Valo if (!(le16_to_cpu(ba_trig->rx_bar) & BIT(event->u.ba.tid))) 5975e705c121SKalle Valo return; 5976e705c121SKalle Valo 59777174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 5978e705c121SKalle Valo "BAR received from %pM, tid %d, ssn %d", 5979e705c121SKalle Valo event->u.ba.sta->addr, event->u.ba.tid, 5980e705c121SKalle Valo event->u.ba.ssn); 5981e705c121SKalle Valo } 5982e705c121SKalle Valo 5983cbce62a3SMiri Korenblit void iwl_mvm_mac_event_callback(struct ieee80211_hw *hw, 5984e705c121SKalle Valo struct ieee80211_vif *vif, 5985e705c121SKalle Valo const struct ieee80211_event *event) 5986e705c121SKalle Valo { 5987e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5988e705c121SKalle Valo 5989e705c121SKalle Valo switch (event->type) { 5990e705c121SKalle Valo case MLME_EVENT: 5991e705c121SKalle Valo iwl_mvm_event_mlme_callback(mvm, vif, event); 5992e705c121SKalle Valo break; 5993e705c121SKalle Valo case BAR_RX_EVENT: 5994e705c121SKalle Valo iwl_mvm_event_bar_rx_callback(mvm, vif, event); 5995e705c121SKalle Valo break; 5996e705c121SKalle Valo case BA_FRAME_TIMEOUT: 5997528a542aSEmmanuel Grumbach iwl_mvm_event_frame_timeout_callback(mvm, vif, event->u.ba.sta, 5998528a542aSEmmanuel Grumbach event->u.ba.tid); 5999e705c121SKalle Valo break; 6000e705c121SKalle Valo default: 6001e705c121SKalle Valo break; 6002e705c121SKalle Valo } 6003e705c121SKalle Valo } 6004e705c121SKalle Valo 6005d0ff5d22SSara Sharon void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm, 60065e1688ceSJohannes Berg enum iwl_mvm_rxq_notif_type type, 60075e1688ceSJohannes Berg bool sync, 60085e1688ceSJohannes Berg const void *data, u32 size) 60090636b938SSara Sharon { 60105e1688ceSJohannes Berg struct { 60115e1688ceSJohannes Berg struct iwl_rxq_sync_cmd cmd; 60125e1688ceSJohannes Berg struct iwl_mvm_internal_rxq_notif notif; 60135e1688ceSJohannes Berg } __packed cmd = { 60145e1688ceSJohannes Berg .cmd.rxq_mask = cpu_to_le32(BIT(mvm->trans->num_rx_queues) - 1), 60155e1688ceSJohannes Berg .cmd.count = 60165e1688ceSJohannes Berg cpu_to_le32(sizeof(struct iwl_mvm_internal_rxq_notif) + 60175e1688ceSJohannes Berg size), 60185e1688ceSJohannes Berg .notif.type = type, 60195e1688ceSJohannes Berg .notif.sync = sync, 60205e1688ceSJohannes Berg }; 60215e1688ceSJohannes Berg struct iwl_host_cmd hcmd = { 60225e1688ceSJohannes Berg .id = WIDE_ID(DATA_PATH_GROUP, TRIGGER_RX_QUEUES_NOTIF_CMD), 60235e1688ceSJohannes Berg .data[0] = &cmd, 60245e1688ceSJohannes Berg .len[0] = sizeof(cmd), 60255e1688ceSJohannes Berg .data[1] = data, 60265e1688ceSJohannes Berg .len[1] = size, 60275e1688ceSJohannes Berg .flags = sync ? 0 : CMD_ASYNC, 60285e1688ceSJohannes Berg }; 60290636b938SSara Sharon int ret; 60300636b938SSara Sharon 60315e1688ceSJohannes Berg /* size must be a multiple of DWORD */ 60325e1688ceSJohannes Berg if (WARN_ON(cmd.cmd.count & cpu_to_le32(3))) 60335e1688ceSJohannes Berg return; 60340636b938SSara Sharon 6035cb8550e1SSara Sharon if (!iwl_mvm_has_new_rx_api(mvm)) 60360636b938SSara Sharon return; 60370636b938SSara Sharon 60385e1688ceSJohannes Berg if (sync) { 60395e1688ceSJohannes Berg cmd.notif.cookie = mvm->queue_sync_cookie; 60402f7a04c7SJohannes Berg mvm->queue_sync_state = (1 << mvm->trans->num_rx_queues) - 1; 6041a2113cc4SNaftali Goldstein } 6042d0ff5d22SSara Sharon 60435e1688ceSJohannes Berg ret = iwl_mvm_send_cmd(mvm, &hcmd); 60440636b938SSara Sharon if (ret) { 60450636b938SSara Sharon IWL_ERR(mvm, "Failed to trigger RX queues sync (%d)\n", ret); 60460636b938SSara Sharon goto out; 60470636b938SSara Sharon } 6048d0ff5d22SSara Sharon 60495e1688ceSJohannes Berg if (sync) { 60503c514bf8SEmmanuel Grumbach lockdep_assert_held(&mvm->mutex); 60513a732c65SSara Sharon ret = wait_event_timeout(mvm->rx_sync_waitq, 60522f7a04c7SJohannes Berg READ_ONCE(mvm->queue_sync_state) == 0 || 60536ad04359SJohannes Berg iwl_mvm_is_radio_killed(mvm), 60540636b938SSara Sharon HZ); 60552f7a04c7SJohannes Berg WARN_ONCE(!ret && !iwl_mvm_is_radio_killed(mvm), 60562f7a04c7SJohannes Berg "queue sync: failed to sync, state is 0x%lx\n", 60572f7a04c7SJohannes Berg mvm->queue_sync_state); 60586ad04359SJohannes Berg } 60590636b938SSara Sharon 60600636b938SSara Sharon out: 60615e1688ceSJohannes Berg if (sync) { 60622f7a04c7SJohannes Berg mvm->queue_sync_state = 0; 60630636b938SSara Sharon mvm->queue_sync_cookie++; 60640636b938SSara Sharon } 60655f8a3561SJohannes Berg } 60660636b938SSara Sharon 6067cbce62a3SMiri Korenblit void iwl_mvm_sync_rx_queues(struct ieee80211_hw *hw) 60680636b938SSara Sharon { 60690636b938SSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 60700636b938SSara Sharon 60710636b938SSara Sharon mutex_lock(&mvm->mutex); 60725e1688ceSJohannes Berg iwl_mvm_sync_rx_queues_internal(mvm, IWL_MVM_RXQ_EMPTY, true, NULL, 0); 60730636b938SSara Sharon mutex_unlock(&mvm->mutex); 60740636b938SSara Sharon } 60750636b938SSara Sharon 6076cbce62a3SMiri Korenblit int 6077b73f9a4aSJohannes Berg iwl_mvm_mac_get_ftm_responder_stats(struct ieee80211_hw *hw, 6078b73f9a4aSJohannes Berg struct ieee80211_vif *vif, 6079b73f9a4aSJohannes Berg struct cfg80211_ftm_responder_stats *stats) 6080b73f9a4aSJohannes Berg { 6081b73f9a4aSJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6082b73f9a4aSJohannes Berg struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 6083b73f9a4aSJohannes Berg 6084b73f9a4aSJohannes Berg if (vif->p2p || vif->type != NL80211_IFTYPE_AP || 6085b73f9a4aSJohannes Berg !mvmvif->ap_ibss_active || !vif->bss_conf.ftm_responder) 6086b73f9a4aSJohannes Berg return -EINVAL; 6087b73f9a4aSJohannes Berg 6088b73f9a4aSJohannes Berg mutex_lock(&mvm->mutex); 6089b73f9a4aSJohannes Berg *stats = mvm->ftm_resp_stats; 6090b73f9a4aSJohannes Berg mutex_unlock(&mvm->mutex); 6091b73f9a4aSJohannes Berg 6092b73f9a4aSJohannes Berg stats->filled = BIT(NL80211_FTM_STATS_SUCCESS_NUM) | 6093b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_PARTIAL_NUM) | 6094b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_FAILED_NUM) | 6095b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_ASAP_NUM) | 6096b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_NON_ASAP_NUM) | 6097b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_TOTAL_DURATION_MSEC) | 6098b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_UNKNOWN_TRIGGERS_NUM) | 6099b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_RESCHEDULE_REQUESTS_NUM) | 6100b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_OUT_OF_WINDOW_TRIGGERS_NUM); 6101b73f9a4aSJohannes Berg 6102b73f9a4aSJohannes Berg return 0; 6103b73f9a4aSJohannes Berg } 6104b73f9a4aSJohannes Berg 6105cbce62a3SMiri Korenblit int iwl_mvm_start_pmsr(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 6106fc36ffdaSJohannes Berg struct cfg80211_pmsr_request *request) 6107fc36ffdaSJohannes Berg { 6108fc36ffdaSJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6109fc36ffdaSJohannes Berg int ret; 6110fc36ffdaSJohannes Berg 6111fc36ffdaSJohannes Berg mutex_lock(&mvm->mutex); 6112fc36ffdaSJohannes Berg ret = iwl_mvm_ftm_start(mvm, vif, request); 6113fc36ffdaSJohannes Berg mutex_unlock(&mvm->mutex); 6114fc36ffdaSJohannes Berg 6115fc36ffdaSJohannes Berg return ret; 6116fc36ffdaSJohannes Berg } 6117fc36ffdaSJohannes Berg 6118cbce62a3SMiri Korenblit void iwl_mvm_abort_pmsr(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 6119fc36ffdaSJohannes Berg struct cfg80211_pmsr_request *request) 6120fc36ffdaSJohannes Berg { 6121fc36ffdaSJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6122fc36ffdaSJohannes Berg 6123fc36ffdaSJohannes Berg mutex_lock(&mvm->mutex); 6124fc36ffdaSJohannes Berg iwl_mvm_ftm_abort(mvm, request); 6125fc36ffdaSJohannes Berg mutex_unlock(&mvm->mutex); 6126fc36ffdaSJohannes Berg } 6127fc36ffdaSJohannes Berg 6128438af969SSara Sharon static bool iwl_mvm_can_hw_csum(struct sk_buff *skb) 6129438af969SSara Sharon { 6130438af969SSara Sharon u8 protocol = ip_hdr(skb)->protocol; 6131438af969SSara Sharon 6132438af969SSara Sharon if (!IS_ENABLED(CONFIG_INET)) 6133438af969SSara Sharon return false; 6134438af969SSara Sharon 6135438af969SSara Sharon return protocol == IPPROTO_TCP || protocol == IPPROTO_UDP; 6136438af969SSara Sharon } 6137438af969SSara Sharon 6138438af969SSara Sharon static bool iwl_mvm_mac_can_aggregate(struct ieee80211_hw *hw, 6139438af969SSara Sharon struct sk_buff *head, 6140438af969SSara Sharon struct sk_buff *skb) 6141438af969SSara Sharon { 6142438af969SSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6143438af969SSara Sharon 6144a0c8ab93SJohannes Berg if (iwl_mvm_has_new_tx_csum(mvm)) 61450792df68SJohannes Berg return iwl_mvm_tx_csum_bz(mvm, head, true) == 61460792df68SJohannes Berg iwl_mvm_tx_csum_bz(mvm, skb, true); 61470792df68SJohannes Berg 6148438af969SSara Sharon /* For now don't aggregate IPv6 in AMSDU */ 6149438af969SSara Sharon if (skb->protocol != htons(ETH_P_IP)) 6150438af969SSara Sharon return false; 6151438af969SSara Sharon 6152438af969SSara Sharon if (!iwl_mvm_is_csum_supported(mvm)) 6153438af969SSara Sharon return true; 6154438af969SSara Sharon 6155438af969SSara Sharon return iwl_mvm_can_hw_csum(skb) == iwl_mvm_can_hw_csum(head); 6156438af969SSara Sharon } 6157438af969SSara Sharon 6158be8897e2SAvraham Stern int iwl_mvm_set_hw_timestamp(struct ieee80211_hw *hw, 6159cf85123aSAvraham Stern struct ieee80211_vif *vif, 6160cf85123aSAvraham Stern struct cfg80211_set_hw_timestamp *hwts) 6161cf85123aSAvraham Stern { 6162cf85123aSAvraham Stern struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6163cf85123aSAvraham Stern u32 protocols = 0; 6164cf85123aSAvraham Stern int ret; 6165cf85123aSAvraham Stern 6166cf85123aSAvraham Stern /* HW timestamping is only supported for a specific station */ 6167cf85123aSAvraham Stern if (!hwts->macaddr) 6168cf85123aSAvraham Stern return -EOPNOTSUPP; 6169cf85123aSAvraham Stern 6170cf85123aSAvraham Stern if (hwts->enable) 6171cf85123aSAvraham Stern protocols = 6172cf85123aSAvraham Stern IWL_TIME_SYNC_PROTOCOL_TM | IWL_TIME_SYNC_PROTOCOL_FTM; 6173cf85123aSAvraham Stern 6174cf85123aSAvraham Stern mutex_lock(&mvm->mutex); 6175cf85123aSAvraham Stern ret = iwl_mvm_time_sync_config(mvm, hwts->macaddr, protocols); 6176cf85123aSAvraham Stern mutex_unlock(&mvm->mutex); 6177cf85123aSAvraham Stern 6178cf85123aSAvraham Stern return ret; 6179cf85123aSAvraham Stern } 6180cf85123aSAvraham Stern 6181e705c121SKalle Valo const struct ieee80211_ops iwl_mvm_hw_ops = { 6182e705c121SKalle Valo .tx = iwl_mvm_mac_tx, 6183cfbc6c4cSSara Sharon .wake_tx_queue = iwl_mvm_mac_wake_tx_queue, 6184e705c121SKalle Valo .ampdu_action = iwl_mvm_mac_ampdu_action, 6185e8503aecSBen Greear .get_antenna = iwl_mvm_op_get_antenna, 6186e705c121SKalle Valo .start = iwl_mvm_mac_start, 6187e705c121SKalle Valo .reconfig_complete = iwl_mvm_mac_reconfig_complete, 6188e705c121SKalle Valo .stop = iwl_mvm_mac_stop, 6189e705c121SKalle Valo .add_interface = iwl_mvm_mac_add_interface, 6190e705c121SKalle Valo .remove_interface = iwl_mvm_mac_remove_interface, 6191e705c121SKalle Valo .config = iwl_mvm_mac_config, 6192e705c121SKalle Valo .prepare_multicast = iwl_mvm_prepare_multicast, 6193e705c121SKalle Valo .configure_filter = iwl_mvm_configure_filter, 6194e705c121SKalle Valo .config_iface_filter = iwl_mvm_config_iface_filter, 6195e705c121SKalle Valo .bss_info_changed = iwl_mvm_bss_info_changed, 6196e705c121SKalle Valo .hw_scan = iwl_mvm_mac_hw_scan, 6197e705c121SKalle Valo .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan, 6198e705c121SKalle Valo .sta_pre_rcu_remove = iwl_mvm_sta_pre_rcu_remove, 6199e705c121SKalle Valo .sta_state = iwl_mvm_mac_sta_state, 6200e705c121SKalle Valo .sta_notify = iwl_mvm_mac_sta_notify, 6201e705c121SKalle Valo .allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames, 6202e705c121SKalle Valo .release_buffered_frames = iwl_mvm_mac_release_buffered_frames, 6203e705c121SKalle Valo .set_rts_threshold = iwl_mvm_mac_set_rts_threshold, 6204e705c121SKalle Valo .sta_rc_update = iwl_mvm_sta_rc_update, 6205e705c121SKalle Valo .conf_tx = iwl_mvm_mac_conf_tx, 6206e705c121SKalle Valo .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx, 62076b1259d1SJohannes Berg .mgd_complete_tx = iwl_mvm_mac_mgd_complete_tx, 6208e705c121SKalle Valo .mgd_protect_tdls_discover = iwl_mvm_mac_mgd_protect_tdls_discover, 6209e705c121SKalle Valo .flush = iwl_mvm_mac_flush, 6210e705c121SKalle Valo .sched_scan_start = iwl_mvm_mac_sched_scan_start, 6211e705c121SKalle Valo .sched_scan_stop = iwl_mvm_mac_sched_scan_stop, 6212e705c121SKalle Valo .set_key = iwl_mvm_mac_set_key, 6213e705c121SKalle Valo .update_tkip_key = iwl_mvm_mac_update_tkip_key, 6214e705c121SKalle Valo .remain_on_channel = iwl_mvm_roc, 6215e705c121SKalle Valo .cancel_remain_on_channel = iwl_mvm_cancel_roc, 6216e705c121SKalle Valo .add_chanctx = iwl_mvm_add_chanctx, 6217e705c121SKalle Valo .remove_chanctx = iwl_mvm_remove_chanctx, 6218e705c121SKalle Valo .change_chanctx = iwl_mvm_change_chanctx, 6219e705c121SKalle Valo .assign_vif_chanctx = iwl_mvm_assign_vif_chanctx, 6220e705c121SKalle Valo .unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx, 6221e705c121SKalle Valo .switch_vif_chanctx = iwl_mvm_switch_vif_chanctx, 6222e705c121SKalle Valo 6223ae7ba17bSShaul Triebitz .start_ap = iwl_mvm_start_ap, 6224ae7ba17bSShaul Triebitz .stop_ap = iwl_mvm_stop_ap, 6225ae7ba17bSShaul Triebitz .join_ibss = iwl_mvm_start_ibss, 6226ae7ba17bSShaul Triebitz .leave_ibss = iwl_mvm_stop_ibss, 6227e705c121SKalle Valo 62282f0282dbSJohannes Berg .tx_last_beacon = iwl_mvm_tx_last_beacon, 62292f0282dbSJohannes Berg 6230e705c121SKalle Valo .set_tim = iwl_mvm_set_tim, 6231e705c121SKalle Valo 6232e705c121SKalle Valo .channel_switch = iwl_mvm_channel_switch, 6233e705c121SKalle Valo .pre_channel_switch = iwl_mvm_pre_channel_switch, 6234e705c121SKalle Valo .post_channel_switch = iwl_mvm_post_channel_switch, 623579221126SSara Sharon .abort_channel_switch = iwl_mvm_abort_channel_switch, 6236c37763d2SSara Sharon .channel_switch_rx_beacon = iwl_mvm_channel_switch_rx_beacon, 6237e705c121SKalle Valo 6238e705c121SKalle Valo .tdls_channel_switch = iwl_mvm_tdls_channel_switch, 6239e705c121SKalle Valo .tdls_cancel_channel_switch = iwl_mvm_tdls_cancel_channel_switch, 6240e705c121SKalle Valo .tdls_recv_channel_switch = iwl_mvm_tdls_recv_channel_switch, 6241e705c121SKalle Valo 6242e705c121SKalle Valo .event_callback = iwl_mvm_mac_event_callback, 6243e705c121SKalle Valo 62440636b938SSara Sharon .sync_rx_queues = iwl_mvm_sync_rx_queues, 62450636b938SSara Sharon 6246e705c121SKalle Valo CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd) 6247e705c121SKalle Valo 6248e705c121SKalle Valo #ifdef CONFIG_PM_SLEEP 6249e705c121SKalle Valo /* look at d3.c */ 6250e705c121SKalle Valo .suspend = iwl_mvm_suspend, 6251e705c121SKalle Valo .resume = iwl_mvm_resume, 6252e705c121SKalle Valo .set_wakeup = iwl_mvm_set_wakeup, 6253e705c121SKalle Valo .set_rekey_data = iwl_mvm_set_rekey_data, 6254e705c121SKalle Valo #if IS_ENABLED(CONFIG_IPV6) 6255e705c121SKalle Valo .ipv6_addr_change = iwl_mvm_ipv6_addr_change, 6256e705c121SKalle Valo #endif 6257e705c121SKalle Valo .set_default_unicast_key = iwl_mvm_set_default_unicast_key, 6258e705c121SKalle Valo #endif 6259e705c121SKalle Valo .get_survey = iwl_mvm_mac_get_survey, 6260e705c121SKalle Valo .sta_statistics = iwl_mvm_mac_sta_statistics, 6261b73f9a4aSJohannes Berg .get_ftm_responder_stats = iwl_mvm_mac_get_ftm_responder_stats, 6262fc36ffdaSJohannes Berg .start_pmsr = iwl_mvm_start_pmsr, 6263fc36ffdaSJohannes Berg .abort_pmsr = iwl_mvm_abort_pmsr, 6264b73f9a4aSJohannes Berg 6265438af969SSara Sharon .can_aggregate_in_amsdu = iwl_mvm_mac_can_aggregate, 6266177a11cfSGregory Greenman #ifdef CONFIG_IWLWIFI_DEBUGFS 62673f244876SBenjamin Berg .link_sta_add_debugfs = iwl_mvm_link_sta_add_debugfs, 6268177a11cfSGregory Greenman #endif 6269cf85123aSAvraham Stern .set_hw_timestamp = iwl_mvm_set_hw_timestamp, 6270e705c121SKalle Valo }; 6271