18e99ea8dSJohannes Berg // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause 28e99ea8dSJohannes Berg /* 3091296d3SMiri Korenblit * Copyright (C) 2012-2014, 2018-2022 Intel Corporation 48e99ea8dSJohannes Berg * Copyright (C) 2013-2015 Intel Mobile Communications GmbH 58e99ea8dSJohannes Berg * Copyright (C) 2016-2017 Intel Deutschland GmbH 68e99ea8dSJohannes Berg */ 7e705c121SKalle Valo #include <linux/kernel.h> 8e705c121SKalle Valo #include <linux/slab.h> 9e705c121SKalle Valo #include <linux/skbuff.h> 10e705c121SKalle Valo #include <linux/netdevice.h> 11e705c121SKalle Valo #include <linux/etherdevice.h> 12e705c121SKalle Valo #include <linux/ip.h> 13e705c121SKalle Valo #include <linux/if_arp.h> 142f89a5d7SGolan Ben-Ami #include <linux/time.h> 15e705c121SKalle Valo #include <net/mac80211.h> 16e705c121SKalle Valo #include <net/ieee80211_radiotap.h> 17e705c121SKalle Valo #include <net/tcp.h> 18e705c121SKalle Valo 195283dd67SMordechay Goodstein #include "iwl-drv.h" 20e705c121SKalle Valo #include "iwl-op-mode.h" 21e705c121SKalle Valo #include "iwl-io.h" 22e705c121SKalle Valo #include "mvm.h" 23e705c121SKalle Valo #include "sta.h" 24e705c121SKalle Valo #include "time-event.h" 25e705c121SKalle Valo #include "iwl-eeprom-parse.h" 26e705c121SKalle Valo #include "iwl-phy-db.h" 27e705c121SKalle Valo #include "testmode.h" 28d962f9b1SJohannes Berg #include "fw/error-dump.h" 29e705c121SKalle Valo #include "iwl-prph.h" 30e705c121SKalle Valo #include "iwl-nvm-parse.h" 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); 111e705c121SKalle Valo struct iwl_mcc_update_resp *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), 141e27c506aSGil Adam __le16_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, 2307360f99eSEmmanuel Grumbach [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF, 2317360f99eSEmmanuel Grumbach }; 2327360f99eSEmmanuel Grumbach 2338e33f046SKrishnanand Prabhu static const u8 tm_if_types_ext_capa_sta[] = { 2348e33f046SKrishnanand Prabhu [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING, 2358e33f046SKrishnanand Prabhu [2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT | 2368e33f046SKrishnanand Prabhu WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT, 2378e33f046SKrishnanand Prabhu [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF, 2388e33f046SKrishnanand Prabhu [9] = WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT, 2398e33f046SKrishnanand Prabhu }; 2408e33f046SKrishnanand Prabhu 2418e33f046SKrishnanand Prabhu /* Additional interface types for which extended capabilities are 2428e33f046SKrishnanand Prabhu * specified separately 2438e33f046SKrishnanand Prabhu */ 2448e33f046SKrishnanand Prabhu static const struct wiphy_iftype_ext_capab add_iftypes_ext_capa[] = { 2457360f99eSEmmanuel Grumbach { 2467360f99eSEmmanuel Grumbach .iftype = NL80211_IFTYPE_STATION, 2477360f99eSEmmanuel Grumbach .extended_capabilities = he_if_types_ext_capa_sta, 2487360f99eSEmmanuel Grumbach .extended_capabilities_mask = he_if_types_ext_capa_sta, 2497360f99eSEmmanuel Grumbach .extended_capabilities_len = sizeof(he_if_types_ext_capa_sta), 2507360f99eSEmmanuel Grumbach }, 2518e33f046SKrishnanand Prabhu { 2528e33f046SKrishnanand Prabhu .iftype = NL80211_IFTYPE_STATION, 2538e33f046SKrishnanand Prabhu .extended_capabilities = tm_if_types_ext_capa_sta, 2548e33f046SKrishnanand Prabhu .extended_capabilities_mask = tm_if_types_ext_capa_sta, 2558e33f046SKrishnanand Prabhu .extended_capabilities_len = sizeof(tm_if_types_ext_capa_sta), 2568e33f046SKrishnanand Prabhu /* relevant only if EHT is supported */ 2578e33f046SKrishnanand Prabhu .eml_capabilities = IEEE80211_EML_CAP_EMLSR_SUPP, 2588e33f046SKrishnanand Prabhu }, 2597360f99eSEmmanuel Grumbach }; 2607360f99eSEmmanuel Grumbach 261cbce62a3SMiri Korenblit int iwl_mvm_op_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant) 262e8503aecSBen Greear { 263e8503aecSBen Greear struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 264e8503aecSBen Greear *tx_ant = iwl_mvm_get_valid_tx_ant(mvm); 265e8503aecSBen Greear *rx_ant = iwl_mvm_get_valid_rx_ant(mvm); 266e8503aecSBen Greear return 0; 267e8503aecSBen Greear } 268e8503aecSBen Greear 269e705c121SKalle Valo int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) 270e705c121SKalle Valo { 271e705c121SKalle Valo struct ieee80211_hw *hw = mvm->hw; 272e705c121SKalle Valo int num_mac, ret, i; 273e705c121SKalle Valo static const u32 mvm_ciphers[] = { 274e705c121SKalle Valo WLAN_CIPHER_SUITE_WEP40, 275e705c121SKalle Valo WLAN_CIPHER_SUITE_WEP104, 276e705c121SKalle Valo WLAN_CIPHER_SUITE_TKIP, 277e705c121SKalle Valo WLAN_CIPHER_SUITE_CCMP, 278e705c121SKalle Valo }; 2793f37c229SIdo Yariv #ifdef CONFIG_PM_SLEEP 2803f37c229SIdo Yariv bool unified = fw_has_capa(&mvm->fw->ucode_capa, 2813f37c229SIdo Yariv IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG); 2823f37c229SIdo Yariv #endif 283a5de7de7SJohannes Berg u32 sec_key_id = WIDE_ID(DATA_PATH_GROUP, SEC_KEY_CMD); 284a5de7de7SJohannes Berg u8 sec_key_ver = iwl_fw_lookup_cmd_ver(mvm->fw, sec_key_id, 0); 285e705c121SKalle Valo 286e705c121SKalle Valo /* Tell mac80211 our characteristics */ 287e705c121SKalle Valo ieee80211_hw_set(hw, SIGNAL_DBM); 288e705c121SKalle Valo ieee80211_hw_set(hw, SPECTRUM_MGMT); 289e705c121SKalle Valo ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS); 290e705c121SKalle Valo ieee80211_hw_set(hw, WANT_MONITOR_VIF); 291e705c121SKalle Valo ieee80211_hw_set(hw, SUPPORTS_PS); 292e705c121SKalle Valo ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS); 293e705c121SKalle Valo ieee80211_hw_set(hw, AMPDU_AGGREGATION); 294e705c121SKalle Valo ieee80211_hw_set(hw, CONNECTION_MONITOR); 295e705c121SKalle Valo ieee80211_hw_set(hw, CHANCTX_STA_CSA); 296e705c121SKalle Valo ieee80211_hw_set(hw, SUPPORT_FAST_XMIT); 297e705c121SKalle Valo ieee80211_hw_set(hw, SUPPORTS_CLONED_SKBS); 298909ddf0bSJohannes Berg ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU); 29930433d3bSJohannes Berg ieee80211_hw_set(hw, NEEDS_UNIQUE_STA_ADDR); 300520229e4SShaul Triebitz ieee80211_hw_set(hw, SUPPORTS_VHT_EXT_NSS_BW); 301cfbc6c4cSSara Sharon ieee80211_hw_set(hw, BUFF_MMPDU_TXQ); 302cfbc6c4cSSara Sharon ieee80211_hw_set(hw, STA_MMPDU_TXQ); 303ef2b47b8SJohannes Berg 304ef2b47b8SJohannes Berg /* With MLD FW API, it tracks timing by itself, 305ef2b47b8SJohannes Berg * no need for any timing from the host 306ef2b47b8SJohannes Berg */ 307ef2b47b8SJohannes Berg if (!mvm->mld_api_is_used) 308ef2b47b8SJohannes Berg ieee80211_hw_set(hw, TIMING_BEACON_ONLY); 309ef2b47b8SJohannes Berg 310ef2b47b8SJohannes Berg /* We should probably have this, but mac80211 311ef2b47b8SJohannes Berg * currently doesn't support it for MLO. 312ef2b47b8SJohannes Berg */ 313ef2b47b8SJohannes Berg if (!(hw->wiphy->flags & WIPHY_FLAG_SUPPORTS_MLO)) 314ef2b47b8SJohannes Berg ieee80211_hw_set(hw, DEAUTH_NEED_MGD_TX_PREP); 315ef2b47b8SJohannes Berg 316cfb21b11SJohannes Berg /* 317cfb21b11SJohannes Berg * On older devices, enabling TX A-MSDU occasionally leads to 318cfb21b11SJohannes Berg * something getting messed up, the command read from the FIFO 319cfb21b11SJohannes Berg * gets out of sync and isn't a TX command, so that we have an 320cfb21b11SJohannes Berg * assert EDC. 321cfb21b11SJohannes Berg * 322cfb21b11SJohannes Berg * It's not clear where the bug is, but since we didn't used to 323cfb21b11SJohannes Berg * support A-MSDU until moving the mac80211 iTXQs, just leave it 324cfb21b11SJohannes Berg * for older devices. We also don't see this issue on any newer 325cfb21b11SJohannes Berg * devices. 326cfb21b11SJohannes Berg */ 3277d34a7d7SLuca Coelho if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_9000) 328438af969SSara Sharon ieee80211_hw_set(hw, TX_AMSDU); 329438af969SSara Sharon ieee80211_hw_set(hw, TX_FRAG_LIST); 330ecaf71deSGregory Greenman 3314243edb4SEmmanuel Grumbach if (iwl_mvm_has_tlc_offload(mvm)) { 332ecaf71deSGregory Greenman ieee80211_hw_set(hw, TX_AMPDU_SETUP_IN_HW); 333ecaf71deSGregory Greenman ieee80211_hw_set(hw, HAS_RATE_CONTROL); 334ecaf71deSGregory Greenman } 335ecaf71deSGregory Greenman 336b915c101SSara Sharon if (iwl_mvm_has_new_rx_api(mvm)) 337b915c101SSara Sharon ieee80211_hw_set(hw, SUPPORTS_REORDERING_BUFFER); 338960f864bSJohannes Berg 339960f864bSJohannes Berg if (fw_has_capa(&mvm->fw->ucode_capa, 340960f864bSJohannes Berg IWL_UCODE_TLV_CAPA_STA_PM_NOTIF)) { 34165e25482SJohannes Berg ieee80211_hw_set(hw, AP_LINK_PS); 342960f864bSJohannes Berg } else if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) { 343960f864bSJohannes Berg /* 344960f864bSJohannes Berg * we absolutely need this for the new TX API since that comes 345960f864bSJohannes Berg * with many more queues than the current code can deal with 346960f864bSJohannes Berg * for station powersave 347960f864bSJohannes Berg */ 348960f864bSJohannes Berg return -EINVAL; 349960f864bSJohannes Berg } 350e705c121SKalle Valo 35180938abcSJohannes Berg if (mvm->trans->num_rx_queues > 1) 35280938abcSJohannes Berg ieee80211_hw_set(hw, USES_RSS); 35380938abcSJohannes Berg 3542d7cf549SJohannes Berg if (mvm->trans->max_skb_frags) 3552d7cf549SJohannes Berg hw->netdev_features = NETIF_F_HIGHDMA | NETIF_F_SG; 3562d7cf549SJohannes Berg 357366fc672SJohannes Berg hw->queues = IEEE80211_NUM_ACS; 358e705c121SKalle Valo hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE; 359e705c121SKalle Valo hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FEC | 360e705c121SKalle Valo IEEE80211_RADIOTAP_MCS_HAVE_STBC; 361e705c121SKalle Valo hw->radiotap_vht_details |= IEEE80211_RADIOTAP_VHT_KNOWN_STBC | 362e705c121SKalle Valo IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED; 363371a17edSJohannes Berg 364371a17edSJohannes Berg hw->radiotap_timestamp.units_pos = 365371a17edSJohannes Berg IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US | 366371a17edSJohannes Berg IEEE80211_RADIOTAP_TIMESTAMP_SPOS_PLCP_SIG_ACQ; 367371a17edSJohannes Berg /* this is the case for CCK frames, it's better (only 8) for OFDM */ 368371a17edSJohannes Berg hw->radiotap_timestamp.accuracy = 22; 369371a17edSJohannes Berg 3704243edb4SEmmanuel Grumbach if (!iwl_mvm_has_tlc_offload(mvm)) 3719f66a397SGregory Greenman hw->rate_control_algorithm = RS_NAME; 3729f66a397SGregory Greenman 373e705c121SKalle Valo hw->uapsd_queues = IWL_MVM_UAPSD_QUEUES; 374e705c121SKalle Valo hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP; 375438af969SSara Sharon hw->max_tx_fragments = mvm->trans->max_skb_frags; 376e705c121SKalle Valo 3778e160ab8SAyala Beker BUILD_BUG_ON(ARRAY_SIZE(mvm->ciphers) < ARRAY_SIZE(mvm_ciphers) + 6); 378e705c121SKalle Valo memcpy(mvm->ciphers, mvm_ciphers, sizeof(mvm_ciphers)); 379e705c121SKalle Valo hw->wiphy->n_cipher_suites = ARRAY_SIZE(mvm_ciphers); 380e705c121SKalle Valo hw->wiphy->cipher_suites = mvm->ciphers; 381e705c121SKalle Valo 3822a53d166SAyala Beker if (iwl_mvm_has_new_rx_api(mvm)) { 3832a53d166SAyala Beker mvm->ciphers[hw->wiphy->n_cipher_suites] = 3842a53d166SAyala Beker WLAN_CIPHER_SUITE_GCMP; 3852a53d166SAyala Beker hw->wiphy->n_cipher_suites++; 3862a53d166SAyala Beker mvm->ciphers[hw->wiphy->n_cipher_suites] = 3872a53d166SAyala Beker WLAN_CIPHER_SUITE_GCMP_256; 3882a53d166SAyala Beker hw->wiphy->n_cipher_suites++; 3892a53d166SAyala Beker } 3902a53d166SAyala Beker 391f4bfdc5eSEmmanuel Grumbach if (iwlwifi_mod_params.swcrypto) 392f4bfdc5eSEmmanuel Grumbach IWL_ERR(mvm, 393f4bfdc5eSEmmanuel Grumbach "iwlmvm doesn't allow to disable HW crypto, check swcrypto module parameter\n"); 394f4bfdc5eSEmmanuel Grumbach if (!iwlwifi_mod_params.bt_coex_active) 395f4bfdc5eSEmmanuel Grumbach IWL_ERR(mvm, 396f4bfdc5eSEmmanuel Grumbach "iwlmvm doesn't allow to disable BT Coex, check bt_coex_active module parameter\n"); 397f4bfdc5eSEmmanuel Grumbach 398e705c121SKalle Valo ieee80211_hw_set(hw, MFP_CAPABLE); 399f4bfdc5eSEmmanuel Grumbach mvm->ciphers[hw->wiphy->n_cipher_suites] = WLAN_CIPHER_SUITE_AES_CMAC; 400e705c121SKalle Valo hw->wiphy->n_cipher_suites++; 4018e160ab8SAyala Beker if (iwl_mvm_has_new_rx_api(mvm)) { 4028e160ab8SAyala Beker mvm->ciphers[hw->wiphy->n_cipher_suites] = 4038e160ab8SAyala Beker WLAN_CIPHER_SUITE_BIP_GMAC_128; 4048e160ab8SAyala Beker hw->wiphy->n_cipher_suites++; 4058e160ab8SAyala Beker mvm->ciphers[hw->wiphy->n_cipher_suites] = 4068e160ab8SAyala Beker WLAN_CIPHER_SUITE_BIP_GMAC_256; 4078e160ab8SAyala Beker hw->wiphy->n_cipher_suites++; 4088e160ab8SAyala Beker } 409e705c121SKalle Valo 410ef2e7a51SIlan Peer wiphy_ext_feature_set(hw->wiphy, 411ef2e7a51SIlan Peer NL80211_EXT_FEATURE_BEACON_RATE_LEGACY); 412ef2e7a51SIlan Peer 413b73f9a4aSJohannes Berg if (fw_has_capa(&mvm->fw->ucode_capa, 414fc36ffdaSJohannes Berg IWL_UCODE_TLV_CAPA_FTM_CALIBRATED)) { 415b73f9a4aSJohannes Berg wiphy_ext_feature_set(hw->wiphy, 416b73f9a4aSJohannes Berg NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER); 417fc36ffdaSJohannes Berg hw->wiphy->pmsr_capa = &iwl_mvm_pmsr_capa; 418fc36ffdaSJohannes Berg } 419b73f9a4aSJohannes Berg 420a5de7de7SJohannes Berg if (sec_key_ver && 421a5de7de7SJohannes Berg fw_has_capa(&mvm->fw->ucode_capa, 422a5de7de7SJohannes Berg IWL_UCODE_TLV_CAPA_BIGTK_TX_SUPPORT)) 423a5de7de7SJohannes Berg wiphy_ext_feature_set(hw->wiphy, 424a5de7de7SJohannes Berg NL80211_EXT_FEATURE_BEACON_PROTECTION); 425a5de7de7SJohannes Berg else if (fw_has_capa(&mvm->fw->ucode_capa, 426b1fdc250SJohannes Berg IWL_UCODE_TLV_CAPA_BIGTK_SUPPORT)) 427b1fdc250SJohannes Berg wiphy_ext_feature_set(hw->wiphy, 428b1fdc250SJohannes Berg NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT); 429b1fdc250SJohannes Berg 430cf85123aSAvraham Stern if (fw_has_capa(&mvm->fw->ucode_capa, 431cf85123aSAvraham Stern IWL_UCODE_TLV_CAPA_TIME_SYNC_BOTH_FTM_TM)) 432cf85123aSAvraham Stern hw->wiphy->hw_timestamp_max_peers = 1; 433cf85123aSAvraham Stern 434e705c121SKalle Valo ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS); 435e705c121SKalle Valo hw->wiphy->features |= 436e705c121SKalle Valo NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR | 437e705c121SKalle Valo NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR | 438e705c121SKalle Valo NL80211_FEATURE_ND_RANDOM_MAC_ADDR; 439e705c121SKalle Valo 440e705c121SKalle Valo hw->sta_data_size = sizeof(struct iwl_mvm_sta); 441e705c121SKalle Valo hw->vif_data_size = sizeof(struct iwl_mvm_vif); 442e705c121SKalle Valo hw->chanctx_data_size = sizeof(u16); 443cfbc6c4cSSara Sharon hw->txq_data_size = sizeof(struct iwl_mvm_txq); 444e705c121SKalle Valo 445e705c121SKalle Valo hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 446e705c121SKalle Valo BIT(NL80211_IFTYPE_P2P_CLIENT) | 447e705c121SKalle Valo BIT(NL80211_IFTYPE_AP) | 448e705c121SKalle Valo BIT(NL80211_IFTYPE_P2P_GO) | 449e705c121SKalle Valo BIT(NL80211_IFTYPE_P2P_DEVICE) | 450e705c121SKalle Valo BIT(NL80211_IFTYPE_ADHOC); 451e705c121SKalle Valo 452e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; 453e47df5bdSJohannes Berg wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_VHT_IBSS); 45433e3fd99SAlexander Wetzel 45533e3fd99SAlexander Wetzel /* The new Tx API does not allow to pass the key or keyid of a MPDU to 45633e3fd99SAlexander Wetzel * the hw, preventing us to control which key(id) to use per MPDU. 45733e3fd99SAlexander Wetzel * Till that's fixed we can't use Extended Key ID for the newer cards. 45833e3fd99SAlexander Wetzel */ 45933e3fd99SAlexander Wetzel if (!iwl_mvm_has_new_tx_api(mvm)) 46033e3fd99SAlexander Wetzel wiphy_ext_feature_set(hw->wiphy, 46133e3fd99SAlexander Wetzel NL80211_EXT_FEATURE_EXT_KEY_ID); 462e47df5bdSJohannes Berg hw->wiphy->features |= NL80211_FEATURE_HT_IBSS; 463e47df5bdSJohannes Berg 464e705c121SKalle Valo hw->wiphy->regulatory_flags |= REGULATORY_ENABLE_RELAX_NO_IR; 465e705c121SKalle Valo if (iwl_mvm_is_lar_supported(mvm)) 466e705c121SKalle Valo hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED; 467e705c121SKalle Valo else 468e705c121SKalle Valo hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG | 469e705c121SKalle Valo REGULATORY_DISABLE_BEACON_HINTS; 470e705c121SKalle Valo 471e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD; 472e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; 473eae94cf8SLuca Coelho hw->wiphy->flags |= WIPHY_FLAG_SPLIT_SCAN_6GHZ; 474e705c121SKalle Valo 475e705c121SKalle Valo hw->wiphy->iface_combinations = iwl_mvm_iface_combinations; 476e705c121SKalle Valo hw->wiphy->n_iface_combinations = 477e705c121SKalle Valo ARRAY_SIZE(iwl_mvm_iface_combinations); 478e705c121SKalle Valo 479e705c121SKalle Valo hw->wiphy->max_remain_on_channel_duration = 10000; 480e705c121SKalle Valo hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL; 481e705c121SKalle Valo 482e705c121SKalle Valo /* Extract MAC address */ 483e705c121SKalle Valo memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN); 484e705c121SKalle Valo hw->wiphy->addresses = mvm->addresses; 485e705c121SKalle Valo hw->wiphy->n_addresses = 1; 486e705c121SKalle Valo 487e705c121SKalle Valo /* Extract additional MAC addresses if available */ 488e705c121SKalle Valo num_mac = (mvm->nvm_data->n_hw_addrs > 1) ? 489e705c121SKalle Valo min(IWL_MVM_MAX_ADDRESSES, mvm->nvm_data->n_hw_addrs) : 1; 490e705c121SKalle Valo 491e705c121SKalle Valo for (i = 1; i < num_mac; i++) { 492e705c121SKalle Valo memcpy(mvm->addresses[i].addr, mvm->addresses[i-1].addr, 493e705c121SKalle Valo ETH_ALEN); 494e705c121SKalle Valo mvm->addresses[i].addr[5]++; 495e705c121SKalle Valo hw->wiphy->n_addresses++; 496e705c121SKalle Valo } 497e705c121SKalle Valo 498e705c121SKalle Valo iwl_mvm_reset_phy_ctxts(mvm); 499e705c121SKalle Valo 500e705c121SKalle Valo hw->wiphy->max_scan_ie_len = iwl_mvm_max_scan_ie_len(mvm); 501e705c121SKalle Valo 502e705c121SKalle Valo hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX; 503e705c121SKalle Valo 504e705c121SKalle Valo BUILD_BUG_ON(IWL_MVM_SCAN_STOPPING_MASK & IWL_MVM_SCAN_MASK); 505e705c121SKalle Valo BUILD_BUG_ON(IWL_MVM_MAX_UMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK) || 506e705c121SKalle Valo IWL_MVM_MAX_LMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK)); 507e705c121SKalle Valo 508e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 509e705c121SKalle Valo mvm->max_scans = IWL_MVM_MAX_UMAC_SCANS; 510e705c121SKalle Valo else 511e705c121SKalle Valo mvm->max_scans = IWL_MVM_MAX_LMAC_SCANS; 512e705c121SKalle Valo 51357fbcce3SJohannes Berg if (mvm->nvm_data->bands[NL80211_BAND_2GHZ].n_channels) 51457fbcce3SJohannes Berg hw->wiphy->bands[NL80211_BAND_2GHZ] = 51557fbcce3SJohannes Berg &mvm->nvm_data->bands[NL80211_BAND_2GHZ]; 51657fbcce3SJohannes Berg if (mvm->nvm_data->bands[NL80211_BAND_5GHZ].n_channels) { 51757fbcce3SJohannes Berg hw->wiphy->bands[NL80211_BAND_5GHZ] = 51857fbcce3SJohannes Berg &mvm->nvm_data->bands[NL80211_BAND_5GHZ]; 519e705c121SKalle Valo 520e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 521e705c121SKalle Valo IWL_UCODE_TLV_CAPA_BEAMFORMER) && 522e705c121SKalle Valo fw_has_api(&mvm->fw->ucode_capa, 523e705c121SKalle Valo IWL_UCODE_TLV_API_LQ_SS_PARAMS)) 52457fbcce3SJohannes Berg hw->wiphy->bands[NL80211_BAND_5GHZ]->vht_cap.cap |= 525e705c121SKalle Valo IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE; 526e705c121SKalle Valo } 527eae94cf8SLuca Coelho if (fw_has_capa(&mvm->fw->ucode_capa, 528eae94cf8SLuca Coelho IWL_UCODE_TLV_CAPA_PSC_CHAN_SUPPORT) && 529eae94cf8SLuca Coelho mvm->nvm_data->bands[NL80211_BAND_6GHZ].n_channels) 530eae94cf8SLuca Coelho hw->wiphy->bands[NL80211_BAND_6GHZ] = 531eae94cf8SLuca Coelho &mvm->nvm_data->bands[NL80211_BAND_6GHZ]; 532e705c121SKalle Valo 533e705c121SKalle Valo hw->wiphy->hw_version = mvm->trans->hw_id; 534e705c121SKalle Valo 535e705c121SKalle Valo if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM) 536e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; 537e705c121SKalle Valo else 538e705c121SKalle Valo hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; 539e705c121SKalle Valo 540ca986ad9SArend Van Spriel hw->wiphy->max_sched_scan_reqs = 1; 541e705c121SKalle Valo hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX; 5425d1234baSTova Mussai hw->wiphy->max_match_sets = iwl_umac_scan_get_max_profiles(mvm->fw); 543e705c121SKalle Valo /* we create the 802.11 header and zero length SSID IE. */ 544e705c121SKalle Valo hw->wiphy->max_sched_scan_ie_len = 545e705c121SKalle Valo SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2; 546e705c121SKalle Valo hw->wiphy->max_sched_scan_plans = IWL_MAX_SCHED_SCAN_PLANS; 547e705c121SKalle Valo hw->wiphy->max_sched_scan_plan_interval = U16_MAX; 548e705c121SKalle Valo 549e705c121SKalle Valo /* 550e705c121SKalle Valo * the firmware uses u8 for num of iterations, but 0xff is saved for 551e705c121SKalle Valo * infinite loop, so the maximum number of iterations is actually 254. 552e705c121SKalle Valo */ 553e705c121SKalle Valo hw->wiphy->max_sched_scan_plan_iterations = 254; 554e705c121SKalle Valo 555e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN | 556e705c121SKalle Valo NL80211_FEATURE_LOW_PRIORITY_SCAN | 557e705c121SKalle Valo NL80211_FEATURE_P2P_GO_OPPPS | 558a904a08bSPeer, Ilan NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE | 559e705c121SKalle Valo NL80211_FEATURE_DYNAMIC_SMPS | 560e705c121SKalle Valo NL80211_FEATURE_STATIC_SMPS | 561e705c121SKalle Valo NL80211_FEATURE_SUPPORTS_WMM_ADMISSION; 562e705c121SKalle Valo 563e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 564e705c121SKalle Valo IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT)) 565e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_TX_POWER_INSERTION; 566e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 567e705c121SKalle Valo IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT)) 568e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_QUIET; 569e705c121SKalle Valo 570e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 571e705c121SKalle Valo IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT)) 572e705c121SKalle Valo hw->wiphy->features |= 573e705c121SKalle Valo NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES; 574e705c121SKalle Valo 575e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 576e705c121SKalle Valo IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT)) 577e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_WFA_TPC_IE_IN_PROBES; 578e705c121SKalle Valo 579971cbe50SJohannes Berg if (iwl_fw_lookup_cmd_ver(mvm->fw, WOWLAN_KEK_KCK_MATERIAL, 5802a42aea7SNathan Errera IWL_FW_CMD_VER_UNKNOWN) == 3) 5812a42aea7SNathan Errera hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK; 5822a42aea7SNathan Errera 583aacf8f18SAvrahams Stern if (fw_has_api(&mvm->fw->ucode_capa, 584aacf8f18SAvrahams Stern IWL_UCODE_TLV_API_SCAN_TSF_REPORT)) { 585aacf8f18SAvrahams Stern wiphy_ext_feature_set(hw->wiphy, 586aacf8f18SAvrahams Stern NL80211_EXT_FEATURE_SCAN_START_TIME); 587aacf8f18SAvrahams Stern wiphy_ext_feature_set(hw->wiphy, 588aacf8f18SAvrahams Stern NL80211_EXT_FEATURE_BSS_PARENT_TSF); 589aacf8f18SAvrahams Stern } 590aacf8f18SAvrahams Stern 5918f691af9SZamir, Roee if (iwl_mvm_is_oce_supported(mvm)) { 592971cbe50SJohannes Berg u8 scan_ver = iwl_fw_lookup_cmd_ver(mvm->fw, SCAN_REQ_UMAC, 0); 593773a042fSAvraham Stern 5948f691af9SZamir, Roee wiphy_ext_feature_set(hw->wiphy, 5958f691af9SZamir, Roee NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP); 5968f691af9SZamir, Roee wiphy_ext_feature_set(hw->wiphy, 5978f691af9SZamir, Roee NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME); 5988f691af9SZamir, Roee wiphy_ext_feature_set(hw->wiphy, 5998f691af9SZamir, Roee NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE); 600773a042fSAvraham Stern 601773a042fSAvraham Stern /* Old firmware also supports probe deferral and suppression */ 602773a042fSAvraham Stern if (scan_ver < 15) 603773a042fSAvraham Stern wiphy_ext_feature_set(hw->wiphy, 604773a042fSAvraham Stern NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION); 6058f691af9SZamir, Roee } 6068f691af9SZamir, Roee 6078e33f046SKrishnanand Prabhu hw->wiphy->iftype_ext_capab = NULL; 6088e33f046SKrishnanand Prabhu hw->wiphy->num_iftype_ext_capab = 0; 6098e33f046SKrishnanand Prabhu 6107360f99eSEmmanuel Grumbach if (mvm->nvm_data->sku_cap_11ax_enable && 6117360f99eSEmmanuel Grumbach !iwlwifi_mod_params.disable_11ax) { 6128e33f046SKrishnanand Prabhu hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa; 6137360f99eSEmmanuel Grumbach hw->wiphy->num_iftype_ext_capab = 6148e33f046SKrishnanand Prabhu ARRAY_SIZE(add_iftypes_ext_capa) - 1; 615918cbf39SSara Sharon 616918cbf39SSara Sharon ieee80211_hw_set(hw, SUPPORTS_MULTI_BSSID); 617918cbf39SSara Sharon ieee80211_hw_set(hw, SUPPORTS_ONLY_HE_MULTI_BSSID); 6187360f99eSEmmanuel Grumbach } 6197360f99eSEmmanuel Grumbach 6208e33f046SKrishnanand Prabhu if (iwl_fw_lookup_cmd_ver(mvm->fw, 6218e33f046SKrishnanand Prabhu WIDE_ID(DATA_PATH_GROUP, 6228e33f046SKrishnanand Prabhu WNM_80211V_TIMING_MEASUREMENT_CONFIG_CMD), 6238e33f046SKrishnanand Prabhu IWL_FW_CMD_VER_UNKNOWN) >= 1) { 6248e33f046SKrishnanand Prabhu IWL_DEBUG_INFO(mvm->trans, "Timing measurement supported\n"); 6258e33f046SKrishnanand Prabhu 6268e33f046SKrishnanand Prabhu if (!hw->wiphy->iftype_ext_capab) { 6278e33f046SKrishnanand Prabhu hw->wiphy->num_iftype_ext_capab = 1; 6288e33f046SKrishnanand Prabhu hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa + 6298e33f046SKrishnanand Prabhu ARRAY_SIZE(add_iftypes_ext_capa) - 1; 6308e33f046SKrishnanand Prabhu } else { 6318e33f046SKrishnanand Prabhu hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa + 1; 6328e33f046SKrishnanand Prabhu } 6338e33f046SKrishnanand Prabhu } 6348e33f046SKrishnanand Prabhu 635e705c121SKalle Valo mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD; 636e705c121SKalle Valo 637e705c121SKalle Valo #ifdef CONFIG_PM_SLEEP 6383f37c229SIdo Yariv if ((unified || mvm->fw->img[IWL_UCODE_WOWLAN].num_sec) && 639e705c121SKalle Valo mvm->trans->ops->d3_suspend && 640e705c121SKalle Valo mvm->trans->ops->d3_resume && 641e705c121SKalle Valo device_can_wakeup(mvm->trans->dev)) { 642e705c121SKalle Valo mvm->wowlan.flags |= WIPHY_WOWLAN_MAGIC_PKT | 643e705c121SKalle Valo WIPHY_WOWLAN_DISCONNECT | 644e705c121SKalle Valo WIPHY_WOWLAN_EAP_IDENTITY_REQ | 645e705c121SKalle Valo WIPHY_WOWLAN_RFKILL_RELEASE | 646e705c121SKalle Valo WIPHY_WOWLAN_NET_DETECT; 647e705c121SKalle Valo mvm->wowlan.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | 648e705c121SKalle Valo WIPHY_WOWLAN_GTK_REKEY_FAILURE | 649e705c121SKalle Valo WIPHY_WOWLAN_4WAY_HANDSHAKE; 650e705c121SKalle Valo 651e705c121SKalle Valo mvm->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS; 652e705c121SKalle Valo mvm->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN; 653e705c121SKalle Valo mvm->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN; 6545d1234baSTova Mussai mvm->wowlan.max_nd_match_sets = 6555d1234baSTova Mussai iwl_umac_scan_get_max_profiles(mvm->fw); 656e705c121SKalle Valo hw->wiphy->wowlan = &mvm->wowlan; 657e705c121SKalle Valo } 658e705c121SKalle Valo #endif 659e705c121SKalle Valo 660e705c121SKalle Valo ret = iwl_mvm_leds_init(mvm); 661e705c121SKalle Valo if (ret) 662e705c121SKalle Valo return ret; 663e705c121SKalle Valo 664e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 665e705c121SKalle Valo IWL_UCODE_TLV_CAPA_TDLS_SUPPORT)) { 666e705c121SKalle Valo IWL_DEBUG_TDLS(mvm, "TDLS supported\n"); 667e705c121SKalle Valo hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS; 668e705c121SKalle Valo ieee80211_hw_set(hw, TDLS_WIDER_BW); 669e705c121SKalle Valo } 670e705c121SKalle Valo 671e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, 672e705c121SKalle Valo IWL_UCODE_TLV_CAPA_TDLS_CHANNEL_SWITCH)) { 673e705c121SKalle Valo IWL_DEBUG_TDLS(mvm, "TDLS channel switch supported\n"); 674e705c121SKalle Valo hw->wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH; 675e705c121SKalle Valo } 676e705c121SKalle Valo 677e705c121SKalle Valo hw->netdev_features |= mvm->cfg->features; 67859fa61f3SEmmanuel Grumbach if (!iwl_mvm_is_csum_supported(mvm)) 6796772aab7SJohannes Berg hw->netdev_features &= ~IWL_CSUM_NETIF_FLAGS_MASK; 68041837ca9SEmmanuel Grumbach 68191b08c2dSAviya Erenfeld if (mvm->cfg->vht_mu_mimo_supported) 68291b08c2dSAviya Erenfeld wiphy_ext_feature_set(hw->wiphy, 68391b08c2dSAviya Erenfeld NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER); 68491b08c2dSAviya Erenfeld 6859c11d8a9SShaul Triebitz if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_PROTECTED_TWT)) 6869c11d8a9SShaul Triebitz wiphy_ext_feature_set(hw->wiphy, 6879c11d8a9SShaul Triebitz NL80211_EXT_FEATURE_PROTECTED_TWT); 6889c11d8a9SShaul Triebitz 689bfcfdb59SEmmanuel Grumbach iwl_mvm_vendor_cmds_register(mvm); 690bfcfdb59SEmmanuel Grumbach 691e8503aecSBen Greear hw->wiphy->available_antennas_tx = iwl_mvm_get_valid_tx_ant(mvm); 692e8503aecSBen Greear hw->wiphy->available_antennas_rx = iwl_mvm_get_valid_rx_ant(mvm); 693e8503aecSBen Greear 694de645e89SJohannes Berg ret = ieee80211_register_hw(mvm->hw); 695de645e89SJohannes Berg if (ret) { 696de645e89SJohannes Berg iwl_mvm_leds_exit(mvm); 697e705c121SKalle Valo } 698e705c121SKalle Valo 699e705c121SKalle Valo return ret; 700e705c121SKalle Valo } 701e705c121SKalle Valo 702df2378abSJohannes Berg static void iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb, 703df2378abSJohannes Berg struct ieee80211_sta *sta) 704df2378abSJohannes Berg { 705df2378abSJohannes Berg if (likely(sta)) { 706df2378abSJohannes Berg if (likely(iwl_mvm_tx_skb_sta(mvm, skb, sta) == 0)) 707df2378abSJohannes Berg return; 708df2378abSJohannes Berg } else { 709df2378abSJohannes Berg if (likely(iwl_mvm_tx_skb_non_sta(mvm, skb) == 0)) 710df2378abSJohannes Berg return; 711df2378abSJohannes Berg } 712df2378abSJohannes Berg 713df2378abSJohannes Berg ieee80211_free_txskb(mvm->hw, skb); 714df2378abSJohannes Berg } 715df2378abSJohannes Berg 716cbce62a3SMiri Korenblit void iwl_mvm_mac_tx(struct ieee80211_hw *hw, 717cbce62a3SMiri Korenblit struct ieee80211_tx_control *control, struct sk_buff *skb) 718e705c121SKalle Valo { 719e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 720e705c121SKalle Valo struct ieee80211_sta *sta = control->sta; 721e705c121SKalle Valo struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 722e705c121SKalle Valo struct ieee80211_hdr *hdr = (void *)skb->data; 723cfbc6c4cSSara Sharon bool offchannel = IEEE80211_SKB_CB(skb)->flags & 724cfbc6c4cSSara Sharon IEEE80211_TX_CTL_TX_OFFCHAN; 725e705c121SKalle Valo 726e705c121SKalle Valo if (iwl_mvm_is_radio_killed(mvm)) { 727e705c121SKalle Valo IWL_DEBUG_DROP(mvm, "Dropping - RF/CT KILL\n"); 728e705c121SKalle Valo goto drop; 729e705c121SKalle Valo } 730e705c121SKalle Valo 731cfbc6c4cSSara Sharon if (offchannel && 732e705c121SKalle Valo !test_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status) && 733e705c121SKalle Valo !test_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status)) 734e705c121SKalle Valo goto drop; 735e705c121SKalle Valo 73610516783SJohannes Berg /* 73710516783SJohannes Berg * bufferable MMPDUs or MMPDUs on STA interfaces come via TXQs 73810516783SJohannes Berg * so we treat the others as broadcast 73910516783SJohannes Berg */ 74010516783SJohannes Berg if (ieee80211_is_mgmt(hdr->frame_control)) 741e705c121SKalle Valo sta = NULL; 742e705c121SKalle Valo 743dc1aca22SAndrei Otcheretianski /* If there is no sta, and it's not offchannel - send through AP */ 744cfbc6c4cSSara Sharon if (!sta && info->control.vif->type == NL80211_IFTYPE_STATION && 745cfbc6c4cSSara Sharon !offchannel) { 746dc1aca22SAndrei Otcheretianski struct iwl_mvm_vif *mvmvif = 747dc1aca22SAndrei Otcheretianski iwl_mvm_vif_from_mac80211(info->control.vif); 748650cadb7SGregory Greenman u8 ap_sta_id = READ_ONCE(mvmvif->deflink.ap_sta_id); 749dc1aca22SAndrei Otcheretianski 750be9ae34eSNathan Errera if (ap_sta_id < mvm->fw->ucode_capa.num_stations) { 751dc1aca22SAndrei Otcheretianski /* mac80211 holds rcu read lock */ 752dc1aca22SAndrei Otcheretianski sta = rcu_dereference(mvm->fw_id_to_mac_id[ap_sta_id]); 753dc1aca22SAndrei Otcheretianski if (IS_ERR_OR_NULL(sta)) 754dc1aca22SAndrei Otcheretianski goto drop; 755dc1aca22SAndrei Otcheretianski } 756dc1aca22SAndrei Otcheretianski } 757dc1aca22SAndrei Otcheretianski 758df2378abSJohannes Berg iwl_mvm_tx_skb(mvm, skb, sta); 759e705c121SKalle Valo return; 760e705c121SKalle Valo drop: 761e705c121SKalle Valo ieee80211_free_txskb(hw, skb); 762e705c121SKalle Valo } 763e705c121SKalle Valo 764cfbc6c4cSSara Sharon void iwl_mvm_mac_itxq_xmit(struct ieee80211_hw *hw, struct ieee80211_txq *txq) 765e705c121SKalle Valo { 766cfbc6c4cSSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 767cfbc6c4cSSara Sharon struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq); 768cfbc6c4cSSara Sharon struct sk_buff *skb = NULL; 769cfbc6c4cSSara Sharon 770fba8248eSSara Sharon /* 771fba8248eSSara Sharon * No need for threads to be pending here, they can leave the first 772fba8248eSSara Sharon * taker all the work. 773fba8248eSSara Sharon * 774fba8248eSSara Sharon * mvmtxq->tx_request logic: 775fba8248eSSara Sharon * 776fba8248eSSara Sharon * If 0, no one is currently TXing, set to 1 to indicate current thread 777fba8248eSSara Sharon * will now start TX and other threads should quit. 778fba8248eSSara Sharon * 779fba8248eSSara Sharon * If 1, another thread is currently TXing, set to 2 to indicate to 780fba8248eSSara Sharon * that thread that there was another request. Since that request may 781fba8248eSSara Sharon * have raced with the check whether the queue is empty, the TXing 782fba8248eSSara Sharon * thread should check the queue's status one more time before leaving. 783fba8248eSSara Sharon * This check is done in order to not leave any TX hanging in the queue 784fba8248eSSara Sharon * until the next TX invocation (which may not even happen). 785fba8248eSSara Sharon * 786fba8248eSSara Sharon * If 2, another thread is currently TXing, and it will already double 787fba8248eSSara Sharon * check the queue, so do nothing. 788fba8248eSSara Sharon */ 789fba8248eSSara Sharon if (atomic_fetch_add_unless(&mvmtxq->tx_request, 1, 2)) 790fba8248eSSara Sharon return; 791cfbc6c4cSSara Sharon 792cfbc6c4cSSara Sharon rcu_read_lock(); 793fba8248eSSara Sharon do { 794cfbc6c4cSSara Sharon while (likely(!mvmtxq->stopped && 79500520b7aSEmmanuel Grumbach !test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status))) { 796cfbc6c4cSSara Sharon skb = ieee80211_tx_dequeue(hw, txq); 797cfbc6c4cSSara Sharon 798f50d693bSSara Sharon if (!skb) { 799f50d693bSSara Sharon if (txq->sta) 800f50d693bSSara Sharon IWL_DEBUG_TX(mvm, 801f50d693bSSara Sharon "TXQ of sta %pM tid %d is now empty\n", 802f50d693bSSara Sharon txq->sta->addr, 803f50d693bSSara Sharon txq->tid); 804cfbc6c4cSSara Sharon break; 805f50d693bSSara Sharon } 806cfbc6c4cSSara Sharon 807cfbc6c4cSSara Sharon iwl_mvm_tx_skb(mvm, skb, txq->sta); 808cfbc6c4cSSara Sharon } 809fba8248eSSara Sharon } while (atomic_dec_return(&mvmtxq->tx_request)); 810cfbc6c4cSSara Sharon rcu_read_unlock(); 811e705c121SKalle Valo } 812e705c121SKalle Valo 813cbce62a3SMiri Korenblit void iwl_mvm_mac_wake_tx_queue(struct ieee80211_hw *hw, 814cfbc6c4cSSara Sharon struct ieee80211_txq *txq) 815e705c121SKalle Valo { 816cfbc6c4cSSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 817cfbc6c4cSSara Sharon struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq); 818e705c121SKalle Valo 819cfbc6c4cSSara Sharon /* 820cfbc6c4cSSara Sharon * Please note that racing is handled very carefully here: 821cfbc6c4cSSara Sharon * mvmtxq->txq_id is updated during allocation, and mvmtxq->list is 822cfbc6c4cSSara Sharon * deleted afterwards. 823cfbc6c4cSSara Sharon * This means that if: 824cfbc6c4cSSara Sharon * mvmtxq->txq_id != INVALID_QUEUE && list_empty(&mvmtxq->list): 825cfbc6c4cSSara Sharon * queue is allocated and we can TX. 826cfbc6c4cSSara Sharon * mvmtxq->txq_id != INVALID_QUEUE && !list_empty(&mvmtxq->list): 827cfbc6c4cSSara Sharon * a race, should defer the frame. 828cfbc6c4cSSara Sharon * mvmtxq->txq_id == INVALID_QUEUE && list_empty(&mvmtxq->list): 829cfbc6c4cSSara Sharon * need to allocate the queue and defer the frame. 830cfbc6c4cSSara Sharon * mvmtxq->txq_id == INVALID_QUEUE && !list_empty(&mvmtxq->list): 831cfbc6c4cSSara Sharon * queue is already scheduled for allocation, no need to allocate, 832cfbc6c4cSSara Sharon * should defer the frame. 833cfbc6c4cSSara Sharon */ 834cfbc6c4cSSara Sharon 835cfbc6c4cSSara Sharon /* If the queue is allocated TX and return. */ 836cfbc6c4cSSara Sharon if (!txq->sta || mvmtxq->txq_id != IWL_MVM_INVALID_QUEUE) { 837cfbc6c4cSSara Sharon /* 838cfbc6c4cSSara Sharon * Check that list is empty to avoid a race where txq_id is 839cfbc6c4cSSara Sharon * already updated, but the queue allocation work wasn't 840cfbc6c4cSSara Sharon * finished 841cfbc6c4cSSara Sharon */ 842cfbc6c4cSSara Sharon if (unlikely(txq->sta && !list_empty(&mvmtxq->list))) 843cfbc6c4cSSara Sharon return; 844cfbc6c4cSSara Sharon 845cfbc6c4cSSara Sharon iwl_mvm_mac_itxq_xmit(hw, txq); 846cfbc6c4cSSara Sharon return; 847cfbc6c4cSSara Sharon } 848cfbc6c4cSSara Sharon 849cfbc6c4cSSara Sharon /* The list is being deleted only after the queue is fully allocated. */ 850cfbc6c4cSSara Sharon if (!list_empty(&mvmtxq->list)) 851cfbc6c4cSSara Sharon return; 852cfbc6c4cSSara Sharon 853cfbc6c4cSSara Sharon list_add_tail(&mvmtxq->list, &mvm->add_stream_txqs); 854cfbc6c4cSSara Sharon schedule_work(&mvm->add_stream_wk); 855e705c121SKalle Valo } 856e705c121SKalle Valo 857e705c121SKalle Valo #define CHECK_BA_TRIGGER(_mvm, _trig, _tid_bm, _tid, _fmt...) \ 858e705c121SKalle Valo do { \ 859e705c121SKalle Valo if (!(le16_to_cpu(_tid_bm) & BIT(_tid))) \ 860e705c121SKalle Valo break; \ 8617174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&(_mvm)->fwrt, _trig, _fmt); \ 862e705c121SKalle Valo } while (0) 863e705c121SKalle Valo 864e705c121SKalle Valo static void 865e705c121SKalle Valo iwl_mvm_ampdu_check_trigger(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 866e705c121SKalle Valo struct ieee80211_sta *sta, u16 tid, u16 rx_ba_ssn, 867e705c121SKalle Valo enum ieee80211_ampdu_mlme_action action) 868e705c121SKalle Valo { 869e705c121SKalle Valo struct iwl_fw_dbg_trigger_tlv *trig; 870e705c121SKalle Valo struct iwl_fw_dbg_trigger_ba *ba_trig; 871e705c121SKalle Valo 8726c042d75SSara Sharon trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 8736c042d75SSara Sharon FW_DBG_TRIGGER_BA); 8746c042d75SSara Sharon if (!trig) 875e705c121SKalle Valo return; 876e705c121SKalle Valo 877e705c121SKalle Valo ba_trig = (void *)trig->data; 878e705c121SKalle Valo 879e705c121SKalle Valo switch (action) { 880e705c121SKalle Valo case IEEE80211_AMPDU_TX_OPERATIONAL: { 881e705c121SKalle Valo struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 882e705c121SKalle Valo struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 883e705c121SKalle Valo 884e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_start, tid, 885e705c121SKalle Valo "TX AGG START: MAC %pM tid %d ssn %d\n", 886e705c121SKalle Valo sta->addr, tid, tid_data->ssn); 887e705c121SKalle Valo break; 888e705c121SKalle Valo } 889e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_CONT: 890e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_stop, tid, 891e705c121SKalle Valo "TX AGG STOP: MAC %pM tid %d\n", 892e705c121SKalle Valo sta->addr, tid); 893e705c121SKalle Valo break; 894e705c121SKalle Valo case IEEE80211_AMPDU_RX_START: 895e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_start, tid, 896e705c121SKalle Valo "RX AGG START: MAC %pM tid %d ssn %d\n", 897e705c121SKalle Valo sta->addr, tid, rx_ba_ssn); 898e705c121SKalle Valo break; 899e705c121SKalle Valo case IEEE80211_AMPDU_RX_STOP: 900e705c121SKalle Valo CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_stop, tid, 901e705c121SKalle Valo "RX AGG STOP: MAC %pM tid %d\n", 902e705c121SKalle Valo sta->addr, tid); 903e705c121SKalle Valo break; 904e705c121SKalle Valo default: 905e705c121SKalle Valo break; 906e705c121SKalle Valo } 907e705c121SKalle Valo } 908e705c121SKalle Valo 909cbce62a3SMiri Korenblit int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw, 910e705c121SKalle Valo struct ieee80211_vif *vif, 91150ea05efSSara Sharon struct ieee80211_ampdu_params *params) 912e705c121SKalle Valo { 913e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 914e705c121SKalle Valo int ret; 91550ea05efSSara Sharon struct ieee80211_sta *sta = params->sta; 91650ea05efSSara Sharon enum ieee80211_ampdu_mlme_action action = params->action; 91750ea05efSSara Sharon u16 tid = params->tid; 91850ea05efSSara Sharon u16 *ssn = ¶ms->ssn; 919514c3069SLuca Coelho u16 buf_size = params->buf_size; 920bb81bb68SEmmanuel Grumbach bool amsdu = params->amsdu; 92110b2b201SSara Sharon u16 timeout = params->timeout; 922e705c121SKalle Valo 923e705c121SKalle Valo IWL_DEBUG_HT(mvm, "A-MPDU action on addr %pM tid %d: action %d\n", 924e705c121SKalle Valo sta->addr, tid, action); 925e705c121SKalle Valo 926e705c121SKalle Valo if (!(mvm->nvm_data->sku_cap_11n_enable)) 927e705c121SKalle Valo return -EACCES; 928e705c121SKalle Valo 929e705c121SKalle Valo mutex_lock(&mvm->mutex); 930e705c121SKalle Valo 931e705c121SKalle Valo switch (action) { 932e705c121SKalle Valo case IEEE80211_AMPDU_RX_START: 933650cadb7SGregory Greenman if (iwl_mvm_vif_from_mac80211(vif)->deflink.ap_sta_id == 934c8ee33e1SGregory Greenman iwl_mvm_sta_from_mac80211(sta)->deflink.sta_id) { 935b0ffe455SJohannes Berg struct iwl_mvm_vif *mvmvif; 936b0ffe455SJohannes Berg u16 macid = iwl_mvm_vif_from_mac80211(vif)->id; 937b0ffe455SJohannes Berg struct iwl_mvm_tcm_mac *mdata = &mvm->tcm.data[macid]; 938b0ffe455SJohannes Berg 939b0ffe455SJohannes Berg mdata->opened_rx_ba_sessions = true; 940b0ffe455SJohannes Berg mvmvif = iwl_mvm_vif_from_mac80211(vif); 941b0ffe455SJohannes Berg cancel_delayed_work(&mvmvif->uapsd_nonagg_detected_wk); 942b0ffe455SJohannes Berg } 943e78da25eSJohannes Berg if (!iwl_enable_rx_ampdu()) { 944e705c121SKalle Valo ret = -EINVAL; 945e705c121SKalle Valo break; 946e705c121SKalle Valo } 94710b2b201SSara Sharon ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true, buf_size, 94810b2b201SSara Sharon timeout); 949e705c121SKalle Valo break; 950e705c121SKalle Valo case IEEE80211_AMPDU_RX_STOP: 95110b2b201SSara Sharon ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false, buf_size, 95210b2b201SSara Sharon timeout); 953e705c121SKalle Valo break; 954e705c121SKalle Valo case IEEE80211_AMPDU_TX_START: 955e78da25eSJohannes Berg if (!iwl_enable_tx_ampdu()) { 956e705c121SKalle Valo ret = -EINVAL; 957e705c121SKalle Valo break; 958e705c121SKalle Valo } 959e705c121SKalle Valo ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn); 960e705c121SKalle Valo break; 961e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_CONT: 962e705c121SKalle Valo ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid); 963e705c121SKalle Valo break; 964e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_FLUSH: 965e705c121SKalle Valo case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 966e705c121SKalle Valo ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid); 967e705c121SKalle Valo break; 968e705c121SKalle Valo case IEEE80211_AMPDU_TX_OPERATIONAL: 969bb81bb68SEmmanuel Grumbach ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid, 970bb81bb68SEmmanuel Grumbach buf_size, amsdu); 971e705c121SKalle Valo break; 972e705c121SKalle Valo default: 973e705c121SKalle Valo WARN_ON_ONCE(1); 974e705c121SKalle Valo ret = -EINVAL; 975e705c121SKalle Valo break; 976e705c121SKalle Valo } 977e705c121SKalle Valo 978e705c121SKalle Valo if (!ret) { 979e705c121SKalle Valo u16 rx_ba_ssn = 0; 980e705c121SKalle Valo 981e705c121SKalle Valo if (action == IEEE80211_AMPDU_RX_START) 982e705c121SKalle Valo rx_ba_ssn = *ssn; 983e705c121SKalle Valo 984e705c121SKalle Valo iwl_mvm_ampdu_check_trigger(mvm, vif, sta, tid, 985e705c121SKalle Valo rx_ba_ssn, action); 986e705c121SKalle Valo } 987e705c121SKalle Valo mutex_unlock(&mvm->mutex); 988e705c121SKalle Valo 989e705c121SKalle Valo return ret; 990e705c121SKalle Valo } 991e705c121SKalle Valo 992e705c121SKalle Valo static void iwl_mvm_cleanup_iterator(void *data, u8 *mac, 993e705c121SKalle Valo struct ieee80211_vif *vif) 994e705c121SKalle Valo { 995e705c121SKalle Valo struct iwl_mvm *mvm = data; 996e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 997bf976c81SJohannes Berg struct iwl_probe_resp_data *probe_data; 99879faae3aSGregory Greenman unsigned int link_id; 999e705c121SKalle Valo 1000e705c121SKalle Valo mvmvif->uploaded = false; 1001e705c121SKalle Valo 1002e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 1003e705c121SKalle Valo iwl_mvm_te_clear_data(mvm, &mvmvif->time_event_data); 1004e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 1005e705c121SKalle Valo 1006e705c121SKalle Valo memset(&mvmvif->bf_data, 0, sizeof(mvmvif->bf_data)); 100779faae3aSGregory Greenman 1008bf976c81SJohannes Berg mvmvif->fw_active_links_num = 0; 100979faae3aSGregory Greenman for_each_mvm_vif_valid_link(mvmvif, link_id) { 101079faae3aSGregory Greenman mvmvif->link[link_id]->ap_sta_id = IWL_MVM_INVALID_STA; 101179faae3aSGregory Greenman mvmvif->link[link_id]->fw_link_id = IWL_MVM_FW_LINK_ID_INVALID; 101279faae3aSGregory Greenman mvmvif->link[link_id]->phy_ctxt = NULL; 1013bf976c81SJohannes Berg mvmvif->link[link_id]->active = 0; 101479faae3aSGregory Greenman } 1015bf976c81SJohannes Berg 1016bf976c81SJohannes Berg probe_data = rcu_dereference_protected(mvmvif->deflink.probe_resp_data, 1017bf976c81SJohannes Berg lockdep_is_held(&mvm->mutex)); 1018bf976c81SJohannes Berg if (probe_data) 1019bf976c81SJohannes Berg kfree_rcu(probe_data, rcu_head); 1020bf976c81SJohannes Berg RCU_INIT_POINTER(mvmvif->deflink.probe_resp_data, NULL); 1021e705c121SKalle Valo } 1022e705c121SKalle Valo 1023e705c121SKalle Valo static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm) 1024e705c121SKalle Valo { 1025fcb6b92aSChaya Rachel Ivgi iwl_mvm_stop_device(mvm); 1026e705c121SKalle Valo 10279bf13beeSJohannes Berg mvm->cur_aid = 0; 10289bf13beeSJohannes Berg 1029e705c121SKalle Valo mvm->scan_status = 0; 1030e705c121SKalle Valo mvm->ps_disabled = false; 1031b3500b47SEmmanuel Grumbach mvm->rfkill_safe_init_done = false; 1032e705c121SKalle Valo 1033e705c121SKalle Valo /* just in case one was running */ 1034305d236eSEliad Peller iwl_mvm_cleanup_roc_te(mvm); 1035e705c121SKalle Valo ieee80211_remain_on_channel_expired(mvm->hw); 1036e705c121SKalle Valo 1037fc36ffdaSJohannes Berg iwl_mvm_ftm_restart(mvm); 1038fc36ffdaSJohannes Berg 1039e705c121SKalle Valo /* 1040e705c121SKalle Valo * cleanup all interfaces, even inactive ones, as some might have 1041e705c121SKalle Valo * gone down during the HW restart 1042e705c121SKalle Valo */ 1043e705c121SKalle Valo ieee80211_iterate_interfaces(mvm->hw, 0, iwl_mvm_cleanup_iterator, mvm); 1044e705c121SKalle Valo 1045e705c121SKalle Valo mvm->p2p_device_vif = NULL; 1046e705c121SKalle Valo 1047e705c121SKalle Valo iwl_mvm_reset_phy_ctxts(mvm); 10489c3deeb5SLuca Coelho memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table)); 1049e705c121SKalle Valo memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif)); 1050e705c121SKalle Valo memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd)); 1051e705c121SKalle Valo 1052e705c121SKalle Valo ieee80211_wake_queues(mvm->hw); 1053e705c121SKalle Valo 1054e705c121SKalle Valo mvm->rx_ba_sessions = 0; 10557174beb6SJohannes Berg mvm->fwrt.dump.conf = FW_DBG_INVALID; 1056baf41bc3SShaul Triebitz mvm->monitor_on = false; 1057e705c121SKalle Valo 1058e705c121SKalle Valo /* keep statistics ticking */ 1059e705c121SKalle Valo iwl_mvm_accu_radio_stats(mvm); 1060e705c121SKalle Valo } 1061e705c121SKalle Valo 1062e705c121SKalle Valo int __iwl_mvm_mac_start(struct iwl_mvm *mvm) 1063e705c121SKalle Valo { 1064e705c121SKalle Valo int ret; 1065e705c121SKalle Valo 1066e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1067e705c121SKalle Valo 10686d19a5ebSEmmanuel Grumbach ret = iwl_mvm_mei_get_ownership(mvm); 10696d19a5ebSEmmanuel Grumbach if (ret) 10706d19a5ebSEmmanuel Grumbach return ret; 10716d19a5ebSEmmanuel Grumbach 10726d19a5ebSEmmanuel Grumbach if (mvm->mei_nvm_data) { 10736d19a5ebSEmmanuel Grumbach /* We got the NIC, we can now free the MEI NVM data */ 10746d19a5ebSEmmanuel Grumbach kfree(mvm->mei_nvm_data); 10756d19a5ebSEmmanuel Grumbach mvm->mei_nvm_data = NULL; 10766d19a5ebSEmmanuel Grumbach 10776d19a5ebSEmmanuel Grumbach /* 10786d19a5ebSEmmanuel Grumbach * We can't free the nvm_data we allocated based on the SAP 10796d19a5ebSEmmanuel Grumbach * data because we registered to cfg80211 with the channels 10806d19a5ebSEmmanuel Grumbach * allocated on mvm->nvm_data. Keep a pointer in temp_nvm_data 10816d19a5ebSEmmanuel Grumbach * just in order to be able free it later. 10826d19a5ebSEmmanuel Grumbach * NULLify nvm_data so that we will read the NVM from the 10836d19a5ebSEmmanuel Grumbach * firmware this time. 10846d19a5ebSEmmanuel Grumbach */ 10856d19a5ebSEmmanuel Grumbach mvm->temp_nvm_data = mvm->nvm_data; 10866d19a5ebSEmmanuel Grumbach mvm->nvm_data = NULL; 10876d19a5ebSEmmanuel Grumbach } 10886d19a5ebSEmmanuel Grumbach 1089bf8b286fSJohannes Berg if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status)) { 1090bf8b286fSJohannes Berg /* 1091bf8b286fSJohannes Berg * Now convert the HW_RESTART_REQUESTED flag to IN_HW_RESTART 1092bf8b286fSJohannes Berg * so later code will - from now on - see that we're doing it. 1093bf8b286fSJohannes Berg */ 1094bf8b286fSJohannes Berg set_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1095bf8b286fSJohannes Berg clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status); 1096e705c121SKalle Valo /* Clean up some internal and mac80211 state on restart */ 1097e705c121SKalle Valo iwl_mvm_restart_cleanup(mvm); 1098a42b2af3SLuca Coelho } 1099e705c121SKalle Valo ret = iwl_mvm_up(mvm); 1100e705c121SKalle Valo 1101b108d8c7SShahar S Matityahu iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_POST_INIT, 1102b108d8c7SShahar S Matityahu NULL); 1103b108d8c7SShahar S Matityahu iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_PERIODIC, 1104b108d8c7SShahar S Matityahu NULL); 1105da2eb669SSara Sharon 1106e8fe3b41SIlan Peer mvm->last_reset_or_resume_time_jiffies = jiffies; 1107e8fe3b41SIlan Peer 1108e705c121SKalle Valo if (ret && test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 1109e705c121SKalle Valo /* Something went wrong - we need to finish some cleanup 1110e705c121SKalle Valo * that normally iwl_mvm_mac_restart_complete() below 1111e705c121SKalle Valo * would do. 1112e705c121SKalle Valo */ 1113e705c121SKalle Valo clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1114e705c121SKalle Valo } 1115e705c121SKalle Valo 1116e705c121SKalle Valo return ret; 1117e705c121SKalle Valo } 1118e705c121SKalle Valo 1119cbce62a3SMiri Korenblit int iwl_mvm_mac_start(struct ieee80211_hw *hw) 1120e705c121SKalle Valo { 1121e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1122e705c121SKalle Valo int ret; 11235283dd67SMordechay Goodstein int retry, max_retry = 0; 1124e705c121SKalle Valo 1125e705c121SKalle Valo mutex_lock(&mvm->mutex); 11265283dd67SMordechay Goodstein 11275283dd67SMordechay Goodstein /* we are starting the mac not in error flow, and restart is enabled */ 11285283dd67SMordechay Goodstein if (!test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status) && 11295283dd67SMordechay Goodstein iwlwifi_mod_params.fw_restart) { 11305283dd67SMordechay Goodstein max_retry = IWL_MAX_INIT_RETRY; 11315283dd67SMordechay Goodstein /* 11325283dd67SMordechay Goodstein * This will prevent mac80211 recovery flows to trigger during 11335283dd67SMordechay Goodstein * init failures 11345283dd67SMordechay Goodstein */ 11355283dd67SMordechay Goodstein set_bit(IWL_MVM_STATUS_STARTING, &mvm->status); 11365283dd67SMordechay Goodstein } 11375283dd67SMordechay Goodstein 11385283dd67SMordechay Goodstein for (retry = 0; retry <= max_retry; retry++) { 1139e705c121SKalle Valo ret = __iwl_mvm_mac_start(mvm); 11405283dd67SMordechay Goodstein if (!ret) 11415283dd67SMordechay Goodstein break; 11425283dd67SMordechay Goodstein 1143b8133439SAvraham Stern /* 1144b8133439SAvraham Stern * In PLDR sync PCI re-enumeration is needed. no point to retry 1145b8133439SAvraham Stern * mac start before that. 1146b8133439SAvraham Stern */ 1147b8133439SAvraham Stern if (mvm->pldr_sync) { 1148b8133439SAvraham Stern iwl_mei_alive_notif(false); 1149b8133439SAvraham Stern iwl_trans_pcie_remove(mvm->trans, true); 1150b8133439SAvraham Stern break; 1151b8133439SAvraham Stern } 1152b8133439SAvraham Stern 11535283dd67SMordechay Goodstein IWL_ERR(mvm, "mac start retry %d\n", retry); 11545283dd67SMordechay Goodstein } 11555283dd67SMordechay Goodstein clear_bit(IWL_MVM_STATUS_STARTING, &mvm->status); 11565283dd67SMordechay Goodstein 1157e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1158e705c121SKalle Valo 11597ce1f215SEmmanuel Grumbach iwl_mvm_mei_set_sw_rfkill_state(mvm); 11607ce1f215SEmmanuel Grumbach 1161e705c121SKalle Valo return ret; 1162e705c121SKalle Valo } 1163e705c121SKalle Valo 1164e705c121SKalle Valo static void iwl_mvm_restart_complete(struct iwl_mvm *mvm) 1165e705c121SKalle Valo { 1166e705c121SKalle Valo int ret; 1167e705c121SKalle Valo 1168e705c121SKalle Valo mutex_lock(&mvm->mutex); 1169e705c121SKalle Valo 1170e705c121SKalle Valo clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 11714d4183c4SEmmanuel Grumbach 1172e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, true, NULL); 1173e705c121SKalle Valo if (ret) 1174e705c121SKalle Valo IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n", 1175e705c121SKalle Valo ret); 1176e705c121SKalle Valo 1177f130bb75SMordechay Goodstein iwl_mvm_send_recovery_cmd(mvm, ERROR_RECOVERY_END_OF_RECOVERY); 1178f130bb75SMordechay Goodstein 1179e705c121SKalle Valo /* 1180e705c121SKalle Valo * If we have TDLS peers, remove them. We don't know the last seqno/PN 1181e705c121SKalle Valo * of packets the FW sent out, so we must reconnect. 1182e705c121SKalle Valo */ 1183e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 1184e705c121SKalle Valo 1185e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1186e705c121SKalle Valo } 1187e705c121SKalle Valo 1188cbce62a3SMiri Korenblit void iwl_mvm_mac_reconfig_complete(struct ieee80211_hw *hw, 1189e705c121SKalle Valo enum ieee80211_reconfig_type reconfig_type) 1190e705c121SKalle Valo { 1191e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1192e705c121SKalle Valo 1193e705c121SKalle Valo switch (reconfig_type) { 1194e705c121SKalle Valo case IEEE80211_RECONFIG_TYPE_RESTART: 1195e705c121SKalle Valo iwl_mvm_restart_complete(mvm); 1196e705c121SKalle Valo break; 1197e705c121SKalle Valo case IEEE80211_RECONFIG_TYPE_SUSPEND: 1198e705c121SKalle Valo break; 1199e705c121SKalle Valo } 1200e705c121SKalle Valo } 1201e705c121SKalle Valo 1202e705c121SKalle Valo void __iwl_mvm_mac_stop(struct iwl_mvm *mvm) 1203e705c121SKalle Valo { 1204e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1205e705c121SKalle Valo 1206b68bd2e3SIlan Peer iwl_mvm_ftm_initiator_smooth_stop(mvm); 1207b68bd2e3SIlan Peer 1208e705c121SKalle Valo /* firmware counters are obviously reset now, but we shouldn't 1209e705c121SKalle Valo * partially track so also clear the fw_reset_accu counters. 1210e705c121SKalle Valo */ 1211e705c121SKalle Valo memset(&mvm->accu_radio_stats, 0, sizeof(mvm->accu_radio_stats)); 1212e705c121SKalle Valo 1213e705c121SKalle Valo /* async_handlers_wk is now blocked */ 1214e705c121SKalle Valo 1215971cbe50SJohannes Berg if (iwl_fw_lookup_cmd_ver(mvm->fw, ADD_STA, 0) < 12) 1216f327236dSSharon iwl_mvm_rm_aux_sta(mvm); 1217f327236dSSharon 1218fcb6b92aSChaya Rachel Ivgi iwl_mvm_stop_device(mvm); 1219e705c121SKalle Valo 1220e705c121SKalle Valo iwl_mvm_async_handlers_purge(mvm); 1221e705c121SKalle Valo /* async_handlers_list is empty and will stay empty: HW is stopped */ 1222e705c121SKalle Valo 1223e705c121SKalle Valo /* 1224155f7e04SEmmanuel Grumbach * Clear IN_HW_RESTART and HW_RESTART_REQUESTED flag when stopping the 1225155f7e04SEmmanuel Grumbach * hw (as restart_complete() won't be called in this case) and mac80211 1226155f7e04SEmmanuel Grumbach * won't execute the restart. 1227e705c121SKalle Valo * But make sure to cleanup interfaces that have gone down before/during 1228e705c121SKalle Valo * HW restart was requested. 1229e705c121SKalle Valo */ 1230155f7e04SEmmanuel Grumbach if (test_and_clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) || 1231155f7e04SEmmanuel Grumbach test_and_clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 1232155f7e04SEmmanuel Grumbach &mvm->status)) 1233e705c121SKalle Valo ieee80211_iterate_interfaces(mvm->hw, 0, 1234e705c121SKalle Valo iwl_mvm_cleanup_iterator, mvm); 1235e705c121SKalle Valo 1236e705c121SKalle Valo /* We shouldn't have any UIDs still set. Loop over all the UIDs to 1237e705c121SKalle Valo * make sure there's nothing left there and warn if any is found. 1238e705c121SKalle Valo */ 1239e705c121SKalle Valo if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { 1240e705c121SKalle Valo int i; 1241e705c121SKalle Valo 1242e705c121SKalle Valo for (i = 0; i < mvm->max_scans; i++) { 1243e705c121SKalle Valo if (WARN_ONCE(mvm->scan_uid_status[i], 1244e705c121SKalle Valo "UMAC scan UID %d status was not cleaned\n", 1245e705c121SKalle Valo i)) 1246e705c121SKalle Valo mvm->scan_uid_status[i] = 0; 1247e705c121SKalle Valo } 1248e705c121SKalle Valo } 1249e705c121SKalle Valo } 1250e705c121SKalle Valo 1251cbce62a3SMiri Korenblit void iwl_mvm_mac_stop(struct ieee80211_hw *hw) 1252e705c121SKalle Valo { 1253e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1254e705c121SKalle Valo 1255e705c121SKalle Valo flush_work(&mvm->async_handlers_wk); 125624afba76SLiad Kaufman flush_work(&mvm->add_stream_wk); 1257771147b0SJohannes Berg 1258771147b0SJohannes Berg /* 1259771147b0SJohannes Berg * Lock and clear the firmware running bit here already, so that 1260771147b0SJohannes Berg * new commands coming in elsewhere, e.g. from debugfs, will not 1261771147b0SJohannes Berg * be able to proceed. This is important here because one of those 12627174beb6SJohannes Berg * debugfs files causes the firmware dump to be triggered, and if we 1263771147b0SJohannes Berg * don't stop debugfs accesses before canceling that it could be 1264771147b0SJohannes Berg * retriggered after we flush it but before we've cleared the bit. 1265771147b0SJohannes Berg */ 1266771147b0SJohannes Berg clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1267771147b0SJohannes Berg 1268d3a108a4SAndrei Otcheretianski cancel_delayed_work_sync(&mvm->cs_tx_unblock_dwork); 126969e04642SLuca Coelho cancel_delayed_work_sync(&mvm->scan_timeout_dwork); 1270e705c121SKalle Valo 1271f9084775SNathan Errera /* 1272f9084775SNathan Errera * The work item could be running or queued if the 1273f9084775SNathan Errera * ROC time event stops just as we get here. 1274f9084775SNathan Errera */ 1275f9084775SNathan Errera flush_work(&mvm->roc_done_wk); 1276f9084775SNathan Errera 12777ce1f215SEmmanuel Grumbach iwl_mvm_mei_set_sw_rfkill_state(mvm); 12787ce1f215SEmmanuel Grumbach 1279e705c121SKalle Valo mutex_lock(&mvm->mutex); 1280e705c121SKalle Valo __iwl_mvm_mac_stop(mvm); 1281e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1282e705c121SKalle Valo 1283e705c121SKalle Valo /* 1284e705c121SKalle Valo * The worker might have been waiting for the mutex, let it run and 1285e705c121SKalle Valo * discover that its list is now empty. 1286e705c121SKalle Valo */ 1287e705c121SKalle Valo cancel_work_sync(&mvm->async_handlers_wk); 1288e705c121SKalle Valo } 1289e705c121SKalle Valo 12901ab26632SMiri Korenblit struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm) 1291e705c121SKalle Valo { 1292e705c121SKalle Valo u16 i; 1293e705c121SKalle Valo 1294e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1295e705c121SKalle Valo 1296e705c121SKalle Valo for (i = 0; i < NUM_PHY_CTX; i++) 1297e705c121SKalle Valo if (!mvm->phy_ctxts[i].ref) 1298e705c121SKalle Valo return &mvm->phy_ctxts[i]; 1299e705c121SKalle Valo 1300e705c121SKalle Valo IWL_ERR(mvm, "No available PHY context\n"); 1301e705c121SKalle Valo return NULL; 1302e705c121SKalle Valo } 1303e705c121SKalle Valo 1304f551d013SGregory Greenman int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1305e705c121SKalle Valo s16 tx_power) 1306e705c121SKalle Valo { 1307971cbe50SJohannes Berg u32 cmd_id = REDUCE_TX_POWER_CMD; 13080791c2fcSHaim Dreyfuss int len; 1309216cdfb5SLuca Coelho struct iwl_dev_tx_power_cmd cmd = { 1310216cdfb5SLuca Coelho .common.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_MAC), 1311216cdfb5SLuca Coelho .common.mac_context_id = 1312e705c121SKalle Valo cpu_to_le32(iwl_mvm_vif_from_mac80211(vif)->id), 1313216cdfb5SLuca Coelho .common.pwr_restriction = cpu_to_le16(8 * tx_power), 1314e705c121SKalle Valo }; 1315971cbe50SJohannes Berg u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, 1316e80bfd11SMordechay Goodstein IWL_FW_CMD_VER_UNKNOWN); 1317e705c121SKalle Valo 1318e705c121SKalle Valo if (tx_power == IWL_DEFAULT_MAX_TX_POWER) 1319216cdfb5SLuca Coelho cmd.common.pwr_restriction = cpu_to_le16(IWL_DEV_MAX_TX_POWER); 1320e705c121SKalle Valo 1321b0aa02b3SAyala Barazani if (cmd_ver == 7) 1322b0aa02b3SAyala Barazani len = sizeof(cmd.v7); 1323b0aa02b3SAyala Barazani else if (cmd_ver == 6) 1324fbb7957dSLuca Coelho len = sizeof(cmd.v6); 1325fbb7957dSLuca Coelho else if (fw_has_api(&mvm->fw->ucode_capa, 13260791c2fcSHaim Dreyfuss IWL_UCODE_TLV_API_REDUCE_TX_POWER)) 13270791c2fcSHaim Dreyfuss len = sizeof(cmd.v5); 13280791c2fcSHaim Dreyfuss else if (fw_has_capa(&mvm->fw->ucode_capa, 13290791c2fcSHaim Dreyfuss IWL_UCODE_TLV_CAPA_TX_POWER_ACK)) 13300791c2fcSHaim Dreyfuss len = sizeof(cmd.v4); 13310791c2fcSHaim Dreyfuss else 1332216cdfb5SLuca Coelho len = sizeof(cmd.v3); 1333216cdfb5SLuca Coelho 1334216cdfb5SLuca Coelho /* all structs have the same common part, add it */ 1335216cdfb5SLuca Coelho len += sizeof(cmd.common); 1336e705c121SKalle Valo 1337971cbe50SJohannes Berg return iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, len, &cmd); 1338e705c121SKalle Valo } 1339e705c121SKalle Valo 134003117f30SMiri Korenblit int iwl_mvm_post_channel_switch(struct ieee80211_hw *hw, 1341f6780614SSara Sharon struct ieee80211_vif *vif) 1342f6780614SSara Sharon { 1343f6780614SSara Sharon struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1344f6780614SSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1345f6780614SSara Sharon int ret; 1346f6780614SSara Sharon 1347f6780614SSara Sharon mutex_lock(&mvm->mutex); 1348f6780614SSara Sharon 1349f6780614SSara Sharon if (vif->type == NL80211_IFTYPE_STATION) { 1350f6780614SSara Sharon struct iwl_mvm_sta *mvmsta; 1351f6780614SSara Sharon 1352f6780614SSara Sharon mvmvif->csa_bcn_pending = false; 1353f6780614SSara Sharon mvmsta = iwl_mvm_sta_from_staid_protected(mvm, 1354650cadb7SGregory Greenman mvmvif->deflink.ap_sta_id); 1355f6780614SSara Sharon 1356f6780614SSara Sharon if (WARN_ON(!mvmsta)) { 1357f6780614SSara Sharon ret = -EIO; 1358f6780614SSara Sharon goto out_unlock; 1359f6780614SSara Sharon } 1360f6780614SSara Sharon 1361f6780614SSara Sharon iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false); 136203117f30SMiri Korenblit if (mvm->mld_api_is_used) 136303117f30SMiri Korenblit iwl_mvm_mld_mac_ctxt_changed(mvm, vif, false); 136403117f30SMiri Korenblit else 1365f6780614SSara Sharon iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 1366f6780614SSara Sharon 13670202bcf0SEmmanuel Grumbach if (!fw_has_capa(&mvm->fw->ucode_capa, 13680202bcf0SEmmanuel Grumbach IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 1369f6780614SSara Sharon ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0); 1370f6780614SSara Sharon if (ret) 1371f6780614SSara Sharon goto out_unlock; 1372f6780614SSara Sharon 1373f6780614SSara Sharon iwl_mvm_stop_session_protection(mvm, vif); 1374f6780614SSara Sharon } 13750202bcf0SEmmanuel Grumbach } 1376f6780614SSara Sharon 1377f6780614SSara Sharon mvmvif->ps_disabled = false; 1378f6780614SSara Sharon 1379f6780614SSara Sharon ret = iwl_mvm_power_update_ps(mvm); 1380f6780614SSara Sharon 1381f6780614SSara Sharon out_unlock: 1382caf46377SSara Sharon if (mvmvif->csa_failed) 1383caf46377SSara Sharon ret = -EIO; 1384f6780614SSara Sharon mutex_unlock(&mvm->mutex); 1385f6780614SSara Sharon 1386f6780614SSara Sharon return ret; 1387f6780614SSara Sharon } 1388f6780614SSara Sharon 1389cbce62a3SMiri Korenblit void iwl_mvm_abort_channel_switch(struct ieee80211_hw *hw, 1390f6780614SSara Sharon struct ieee80211_vif *vif) 1391f6780614SSara Sharon { 1392f6780614SSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1393f6780614SSara Sharon struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1394f6780614SSara Sharon struct iwl_chan_switch_te_cmd cmd = { 1395f6780614SSara Sharon .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 1396f6780614SSara Sharon mvmvif->color)), 1397f6780614SSara Sharon .action = cpu_to_le32(FW_CTXT_ACTION_REMOVE), 1398f6780614SSara Sharon }; 1399f6780614SSara Sharon 1400ad12b231SNathan Errera /* 1401ad12b231SNathan Errera * In the new flow since FW is in charge of the timing, 1402ad12b231SNathan Errera * if driver has canceled the channel switch he will receive the 1403ad12b231SNathan Errera * CHANNEL_SWITCH_START_NOTIF notification from FW and then cancel it 1404ad12b231SNathan Errera */ 1405ad12b231SNathan Errera if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP, 1406ad12b231SNathan Errera CHANNEL_SWITCH_ERROR_NOTIF, 0)) 1407ad12b231SNathan Errera return; 1408ad12b231SNathan Errera 1409f6780614SSara Sharon IWL_DEBUG_MAC80211(mvm, "Abort CSA on mac %d\n", mvmvif->id); 1410f6780614SSara Sharon 1411f6780614SSara Sharon mutex_lock(&mvm->mutex); 141258ddd9b6SEmmanuel Grumbach if (!fw_has_capa(&mvm->fw->ucode_capa, 141358ddd9b6SEmmanuel Grumbach IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) 141458ddd9b6SEmmanuel Grumbach iwl_mvm_remove_csa_period(mvm, vif); 141558ddd9b6SEmmanuel Grumbach else 1416f6780614SSara Sharon WARN_ON(iwl_mvm_send_cmd_pdu(mvm, 1417f6780614SSara Sharon WIDE_ID(MAC_CONF_GROUP, 1418f6780614SSara Sharon CHANNEL_SWITCH_TIME_EVENT_CMD), 1419f6780614SSara Sharon 0, sizeof(cmd), &cmd)); 1420caf46377SSara Sharon mvmvif->csa_failed = true; 1421f6780614SSara Sharon mutex_unlock(&mvm->mutex); 1422f6780614SSara Sharon 1423caf46377SSara Sharon iwl_mvm_post_channel_switch(hw, vif); 1424f6780614SSara Sharon } 1425f6780614SSara Sharon 14261ab26632SMiri Korenblit void iwl_mvm_channel_switch_disconnect_wk(struct work_struct *wk) 1427f6780614SSara Sharon { 1428f6780614SSara Sharon struct iwl_mvm_vif *mvmvif; 1429f6780614SSara Sharon struct ieee80211_vif *vif; 1430f6780614SSara Sharon 1431f6780614SSara Sharon mvmvif = container_of(wk, struct iwl_mvm_vif, csa_work.work); 1432f6780614SSara Sharon vif = container_of((void *)mvmvif, struct ieee80211_vif, drv_priv); 1433f6780614SSara Sharon 143470162580SShaul Triebitz /* Trigger disconnect (should clear the CSA state) */ 1435f6780614SSara Sharon ieee80211_chswitch_done(vif, false); 1436f6780614SSara Sharon } 1437f6780614SSara Sharon 14385abf3154SMordechay Goodstein static u8 14395abf3154SMordechay Goodstein iwl_mvm_chandef_get_primary_80(struct cfg80211_chan_def *chandef) 14405abf3154SMordechay Goodstein { 14415abf3154SMordechay Goodstein int data_start; 14425abf3154SMordechay Goodstein int control_start; 14435abf3154SMordechay Goodstein int bw; 14445abf3154SMordechay Goodstein 14455abf3154SMordechay Goodstein if (chandef->width == NL80211_CHAN_WIDTH_320) 14465abf3154SMordechay Goodstein bw = 320; 14475abf3154SMordechay Goodstein else if (chandef->width == NL80211_CHAN_WIDTH_160) 14485abf3154SMordechay Goodstein bw = 160; 14495abf3154SMordechay Goodstein else 14505abf3154SMordechay Goodstein return 0; 14515abf3154SMordechay Goodstein 14525abf3154SMordechay Goodstein /* data is bw wide so the start is half the width */ 14535abf3154SMordechay Goodstein data_start = chandef->center_freq1 - bw / 2; 14545abf3154SMordechay Goodstein /* control is 20Mhz width */ 14555abf3154SMordechay Goodstein control_start = chandef->chan->center_freq - 10; 14565abf3154SMordechay Goodstein 14575abf3154SMordechay Goodstein return (control_start - data_start) / 80; 14585abf3154SMordechay Goodstein } 14595abf3154SMordechay Goodstein 14601ab26632SMiri Korenblit /* 14611ab26632SMiri Korenblit * Returns true if addding the interface is done 14621ab26632SMiri Korenblit * (either with success or failure) 1463cb145863SJohannes Berg * 1464cb145863SJohannes Berg * FIXME: remove this again and merge it in 14651ab26632SMiri Korenblit */ 1466cb145863SJohannes Berg static bool iwl_mvm_mac_add_interface_common(struct iwl_mvm *mvm, 14671ab26632SMiri Korenblit struct ieee80211_hw *hw, 1468cb145863SJohannes Berg struct ieee80211_vif *vif, 1469cb145863SJohannes Berg int *ret) 1470e705c121SKalle Valo { 1471e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 14721ab26632SMiri Korenblit 14731ab26632SMiri Korenblit lockdep_assert_held(&mvm->mutex); 1474e705c121SKalle Valo 1475e705c121SKalle Valo mvmvif->mvm = mvm; 1476650cadb7SGregory Greenman 1477650cadb7SGregory Greenman /* the first link always points to the default one */ 1478650cadb7SGregory Greenman mvmvif->link[0] = &mvmvif->deflink; 1479e705c121SKalle Valo 1480e705c121SKalle Valo /* 1481e705c121SKalle Valo * Not much to do here. The stack will not allow interface 1482e705c121SKalle Valo * types or combinations that we didn't advertise, so we 1483e705c121SKalle Valo * don't really have to check the types. 1484e705c121SKalle Valo */ 1485e705c121SKalle Valo 1486e705c121SKalle Valo /* make sure that beacon statistics don't go backwards with FW reset */ 1487e705c121SKalle Valo if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1488650cadb7SGregory Greenman mvmvif->deflink.beacon_stats.accu_num_beacons += 1489650cadb7SGregory Greenman mvmvif->deflink.beacon_stats.num_beacons; 1490e705c121SKalle Valo 1491e705c121SKalle Valo /* Allocate resources for the MAC context, and add it to the fw */ 14921ab26632SMiri Korenblit *ret = iwl_mvm_mac_ctxt_init(mvm, vif); 14931ab26632SMiri Korenblit if (*ret) 14941ab26632SMiri Korenblit return true; 1495e705c121SKalle Valo 1496698478c4SSara Sharon rcu_assign_pointer(mvm->vif_id_to_mac[mvmvif->id], vif); 1497698478c4SSara Sharon 1498e705c121SKalle Valo /* 1499e705c121SKalle Valo * The AP binding flow can be done only after the beacon 1500e705c121SKalle Valo * template is configured (which happens only in the mac80211 1501e705c121SKalle Valo * start_ap() flow), and adding the broadcast station can happen 1502e705c121SKalle Valo * only after the binding. 1503e705c121SKalle Valo * In addition, since modifying the MAC before adding a bcast 1504e705c121SKalle Valo * station is not allowed by the FW, delay the adding of MAC context to 1505e705c121SKalle Valo * the point where we can also add the bcast station. 1506e705c121SKalle Valo * In short: there's not much we can do at this point, other than 1507e705c121SKalle Valo * allocating resources :) 1508e705c121SKalle Valo */ 1509e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP || 1510e705c121SKalle Valo vif->type == NL80211_IFTYPE_ADHOC) { 15111ab26632SMiri Korenblit iwl_mvm_vif_dbgfs_register(mvm, vif); 15121ab26632SMiri Korenblit return true; 15131ab26632SMiri Korenblit } 15141ab26632SMiri Korenblit 15151ab26632SMiri Korenblit mvmvif->features |= hw->netdev_features; 1516650cadb7SGregory Greenman 15171ab26632SMiri Korenblit return false; 15181ab26632SMiri Korenblit } 15191ab26632SMiri Korenblit 15201ab26632SMiri Korenblit static int iwl_mvm_alloc_bcast_mcast_sta(struct iwl_mvm *mvm, 15211ab26632SMiri Korenblit struct ieee80211_vif *vif) 15221ab26632SMiri Korenblit { 15231ab26632SMiri Korenblit struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 15241ab26632SMiri Korenblit int ret; 15251ab26632SMiri Korenblit 15261ab26632SMiri Korenblit lockdep_assert_held(&mvm->mutex); 15271ab26632SMiri Korenblit 1528e705c121SKalle Valo ret = iwl_mvm_alloc_bcast_sta(mvm, vif); 1529e705c121SKalle Valo if (ret) { 1530e705c121SKalle Valo IWL_ERR(mvm, "Failed to allocate bcast sta\n"); 15311ab26632SMiri Korenblit return ret; 1532e705c121SKalle Valo } 1533e705c121SKalle Valo 153426d6c16bSSara Sharon /* 153526d6c16bSSara Sharon * Only queue for this station is the mcast queue, 153626d6c16bSSara Sharon * which shouldn't be in TFD mask anyway 153726d6c16bSSara Sharon */ 1538650cadb7SGregory Greenman return iwl_mvm_allocate_int_sta(mvm, &mvmvif->deflink.mcast_sta, 0, 1539650cadb7SGregory Greenman vif->type, 1540ced19f26SSara Sharon IWL_STA_MULTICAST); 1541e705c121SKalle Valo } 1542e705c121SKalle Valo 15431ab26632SMiri Korenblit static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, 15441ab26632SMiri Korenblit struct ieee80211_vif *vif) 15451ab26632SMiri Korenblit { 15461ab26632SMiri Korenblit struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 15471ab26632SMiri Korenblit struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 15481ab26632SMiri Korenblit int ret; 15491ab26632SMiri Korenblit 15501ab26632SMiri Korenblit mutex_lock(&mvm->mutex); 15511ab26632SMiri Korenblit 15521ab26632SMiri Korenblit /* Common for MLD and non-MLD API */ 15531ab26632SMiri Korenblit if (iwl_mvm_mac_add_interface_common(mvm, hw, vif, &ret)) 15541ab26632SMiri Korenblit goto out; 1555e705c121SKalle Valo 1556e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_add(mvm, vif); 1557e705c121SKalle Valo if (ret) 155898c0de7bSMiri Korenblit goto out_unlock; 1559e705c121SKalle Valo 1560e705c121SKalle Valo ret = iwl_mvm_power_update_mac(mvm); 1561e705c121SKalle Valo if (ret) 1562e705c121SKalle Valo goto out_remove_mac; 1563e705c121SKalle Valo 1564e705c121SKalle Valo /* beacon filtering */ 1565e705c121SKalle Valo ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); 1566e705c121SKalle Valo if (ret) 1567e705c121SKalle Valo goto out_remove_mac; 1568e705c121SKalle Valo 1569e705c121SKalle Valo if (!mvm->bf_allowed_vif && 1570e705c121SKalle Valo vif->type == NL80211_IFTYPE_STATION && !vif->p2p) { 1571e705c121SKalle Valo mvm->bf_allowed_vif = mvmvif; 1572e705c121SKalle Valo vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | 1573e705c121SKalle Valo IEEE80211_VIF_SUPPORTS_CQM_RSSI; 1574e705c121SKalle Valo } 1575e705c121SKalle Valo 1576e705c121SKalle Valo /* 1577e705c121SKalle Valo * P2P_DEVICE interface does not have a channel context assigned to it, 1578e705c121SKalle Valo * so a dedicated PHY context is allocated to it and the corresponding 1579e705c121SKalle Valo * MAC context is bound to it at this stage. 1580e705c121SKalle Valo */ 1581e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1582e705c121SKalle Valo 1583650cadb7SGregory Greenman mvmvif->deflink.phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 1584650cadb7SGregory Greenman if (!mvmvif->deflink.phy_ctxt) { 1585e705c121SKalle Valo ret = -ENOSPC; 1586e705c121SKalle Valo goto out_free_bf; 1587e705c121SKalle Valo } 1588e705c121SKalle Valo 1589650cadb7SGregory Greenman iwl_mvm_phy_ctxt_ref(mvm, mvmvif->deflink.phy_ctxt); 1590e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 1591e705c121SKalle Valo if (ret) 1592e705c121SKalle Valo goto out_unref_phy; 1593e705c121SKalle Valo 1594d197358bSLuca Coelho ret = iwl_mvm_add_p2p_bcast_sta(mvm, vif); 1595e705c121SKalle Valo if (ret) 1596e705c121SKalle Valo goto out_unbind; 1597e705c121SKalle Valo 1598e705c121SKalle Valo /* Save a pointer to p2p device vif, so it can later be used to 1599e705c121SKalle Valo * update the p2p device MAC when a GO is started/stopped */ 1600e705c121SKalle Valo mvm->p2p_device_vif = vif; 1601e705c121SKalle Valo } 1602e705c121SKalle Valo 1603b0ffe455SJohannes Berg iwl_mvm_tcm_add_vif(mvm, vif); 1604f6780614SSara Sharon INIT_DELAYED_WORK(&mvmvif->csa_work, 1605f6780614SSara Sharon iwl_mvm_channel_switch_disconnect_wk); 1606b0ffe455SJohannes Berg 16075abf3154SMordechay Goodstein if (vif->type == NL80211_IFTYPE_MONITOR) { 1608baf41bc3SShaul Triebitz mvm->monitor_on = true; 16095abf3154SMordechay Goodstein mvm->monitor_p80 = 16105abf3154SMordechay Goodstein iwl_mvm_chandef_get_primary_80(&vif->bss_conf.chandef); 16115abf3154SMordechay Goodstein } 1612baf41bc3SShaul Triebitz 1613e705c121SKalle Valo iwl_mvm_vif_dbgfs_register(mvm, vif); 16146d19a5ebSEmmanuel Grumbach 16156d19a5ebSEmmanuel Grumbach if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 16166d19a5ebSEmmanuel Grumbach vif->type == NL80211_IFTYPE_STATION && !vif->p2p && 16176d19a5ebSEmmanuel Grumbach !mvm->csme_vif && mvm->mei_registered) { 16186d19a5ebSEmmanuel Grumbach iwl_mei_set_nic_info(vif->addr, mvm->nvm_data->hw_addr); 16196d19a5ebSEmmanuel Grumbach iwl_mei_set_netdev(ieee80211_vif_to_wdev(vif)->netdev); 16206d19a5ebSEmmanuel Grumbach mvm->csme_vif = vif; 16216d19a5ebSEmmanuel Grumbach } 16226d19a5ebSEmmanuel Grumbach 16231ab26632SMiri Korenblit out: 16241ab26632SMiri Korenblit if (!ret && (vif->type == NL80211_IFTYPE_AP || 16251ab26632SMiri Korenblit vif->type == NL80211_IFTYPE_ADHOC)) 16261ab26632SMiri Korenblit ret = iwl_mvm_alloc_bcast_mcast_sta(mvm, vif); 16271ab26632SMiri Korenblit 1628e705c121SKalle Valo goto out_unlock; 1629e705c121SKalle Valo 1630e705c121SKalle Valo out_unbind: 1631e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 1632e705c121SKalle Valo out_unref_phy: 1633650cadb7SGregory Greenman iwl_mvm_phy_ctxt_unref(mvm, mvmvif->deflink.phy_ctxt); 1634e705c121SKalle Valo out_free_bf: 1635e705c121SKalle Valo if (mvm->bf_allowed_vif == mvmvif) { 1636e705c121SKalle Valo mvm->bf_allowed_vif = NULL; 1637e705c121SKalle Valo vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | 1638e705c121SKalle Valo IEEE80211_VIF_SUPPORTS_CQM_RSSI); 1639e705c121SKalle Valo } 1640e705c121SKalle Valo out_remove_mac: 1641650cadb7SGregory Greenman mvmvif->deflink.phy_ctxt = NULL; 1642e705c121SKalle Valo iwl_mvm_mac_ctxt_remove(mvm, vif); 1643e705c121SKalle Valo out_unlock: 1644e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1645e705c121SKalle Valo 1646e705c121SKalle Valo return ret; 1647e705c121SKalle Valo } 1648e705c121SKalle Valo 1649cb145863SJohannes Berg void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm, 1650e705c121SKalle Valo struct ieee80211_vif *vif) 1651e705c121SKalle Valo { 1652e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1653e705c121SKalle Valo /* 1654e705c121SKalle Valo * Flush the ROC worker which will flush the OFFCHANNEL queue. 1655e705c121SKalle Valo * We assume here that all the packets sent to the OFFCHANNEL 1656e705c121SKalle Valo * queue are sent in ROC session. 1657e705c121SKalle Valo */ 1658e705c121SKalle Valo flush_work(&mvm->roc_done_wk); 1659e705c121SKalle Valo } 1660e705c121SKalle Valo } 1661e705c121SKalle Valo 166260efeca1SMiri Korenblit /* This function is doing the common part of removing the interface for 166360efeca1SMiri Korenblit * both - MLD and non-MLD modes. Returns true if removing the interface 166460efeca1SMiri Korenblit * is done 166560efeca1SMiri Korenblit */ 1666cb145863SJohannes Berg static bool iwl_mvm_mac_remove_interface_common(struct ieee80211_hw *hw, 1667e705c121SKalle Valo struct ieee80211_vif *vif) 1668e705c121SKalle Valo { 1669e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1670e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 167186e177d8SGregory Greenman struct iwl_probe_resp_data *probe_data; 1672e705c121SKalle Valo 1673e705c121SKalle Valo iwl_mvm_prepare_mac_removal(mvm, vif); 1674e705c121SKalle Valo 1675b0ffe455SJohannes Berg if (!(vif->type == NL80211_IFTYPE_AP || 1676b0ffe455SJohannes Berg vif->type == NL80211_IFTYPE_ADHOC)) 1677b0ffe455SJohannes Berg iwl_mvm_tcm_rm_vif(mvm, vif); 1678b0ffe455SJohannes Berg 1679e705c121SKalle Valo mutex_lock(&mvm->mutex); 1680e705c121SKalle Valo 16816d19a5ebSEmmanuel Grumbach if (vif == mvm->csme_vif) { 16826d19a5ebSEmmanuel Grumbach iwl_mei_set_netdev(NULL); 16836d19a5ebSEmmanuel Grumbach mvm->csme_vif = NULL; 16846d19a5ebSEmmanuel Grumbach } 16856d19a5ebSEmmanuel Grumbach 1686650cadb7SGregory Greenman probe_data = rcu_dereference_protected(mvmvif->deflink.probe_resp_data, 168786e177d8SGregory Greenman lockdep_is_held(&mvm->mutex)); 1688650cadb7SGregory Greenman RCU_INIT_POINTER(mvmvif->deflink.probe_resp_data, NULL); 168986e177d8SGregory Greenman if (probe_data) 169086e177d8SGregory Greenman kfree_rcu(probe_data, rcu_head); 169186e177d8SGregory Greenman 1692e705c121SKalle Valo if (mvm->bf_allowed_vif == mvmvif) { 1693e705c121SKalle Valo mvm->bf_allowed_vif = NULL; 1694e705c121SKalle Valo vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | 1695e705c121SKalle Valo IEEE80211_VIF_SUPPORTS_CQM_RSSI); 1696e705c121SKalle Valo } 1697e705c121SKalle Valo 1698b73f9a4aSJohannes Berg if (vif->bss_conf.ftm_responder) 1699b73f9a4aSJohannes Berg memset(&mvm->ftm_resp_stats, 0, sizeof(mvm->ftm_resp_stats)); 1700b73f9a4aSJohannes Berg 1701e705c121SKalle Valo iwl_mvm_vif_dbgfs_clean(mvm, vif); 1702e705c121SKalle Valo 1703e705c121SKalle Valo /* 1704e705c121SKalle Valo * For AP/GO interface, the tear down of the resources allocated to the 1705e705c121SKalle Valo * interface is be handled as part of the stop_ap flow. 1706e705c121SKalle Valo */ 1707e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP || 1708e705c121SKalle Valo vif->type == NL80211_IFTYPE_ADHOC) { 1709e705c121SKalle Valo #ifdef CONFIG_NL80211_TESTMODE 1710e705c121SKalle Valo if (vif == mvm->noa_vif) { 1711e705c121SKalle Valo mvm->noa_vif = NULL; 1712e705c121SKalle Valo mvm->noa_duration = 0; 1713e705c121SKalle Valo } 1714e705c121SKalle Valo #endif 171560efeca1SMiri Korenblit return true; 1716e705c121SKalle Valo } 1717e705c121SKalle Valo 171860efeca1SMiri Korenblit iwl_mvm_power_update_mac(mvm); 171960efeca1SMiri Korenblit return false; 172060efeca1SMiri Korenblit } 172160efeca1SMiri Korenblit 172260efeca1SMiri Korenblit static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw, 172360efeca1SMiri Korenblit struct ieee80211_vif *vif) 172460efeca1SMiri Korenblit { 172560efeca1SMiri Korenblit struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 172660efeca1SMiri Korenblit struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 172760efeca1SMiri Korenblit 172860efeca1SMiri Korenblit if (iwl_mvm_mac_remove_interface_common(hw, vif)) 172960efeca1SMiri Korenblit goto out; 173060efeca1SMiri Korenblit 1731e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1732e705c121SKalle Valo mvm->p2p_device_vif = NULL; 1733d197358bSLuca Coelho iwl_mvm_rm_p2p_bcast_sta(mvm, vif); 1734e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 1735650cadb7SGregory Greenman iwl_mvm_phy_ctxt_unref(mvm, mvmvif->deflink.phy_ctxt); 1736650cadb7SGregory Greenman mvmvif->deflink.phy_ctxt = NULL; 1737e705c121SKalle Valo } 1738e705c121SKalle Valo 1739e705c121SKalle Valo iwl_mvm_mac_ctxt_remove(mvm, vif); 1740e705c121SKalle Valo 1741698478c4SSara Sharon RCU_INIT_POINTER(mvm->vif_id_to_mac[mvmvif->id], NULL); 1742698478c4SSara Sharon 1743baf41bc3SShaul Triebitz if (vif->type == NL80211_IFTYPE_MONITOR) 1744baf41bc3SShaul Triebitz mvm->monitor_on = false; 1745baf41bc3SShaul Triebitz 174660efeca1SMiri Korenblit out: 174760efeca1SMiri Korenblit if (vif->type == NL80211_IFTYPE_AP || 174860efeca1SMiri Korenblit vif->type == NL80211_IFTYPE_ADHOC) { 1749650cadb7SGregory Greenman iwl_mvm_dealloc_int_sta(mvm, &mvmvif->deflink.mcast_sta); 175060efeca1SMiri Korenblit iwl_mvm_dealloc_bcast_sta(mvm, vif); 175160efeca1SMiri Korenblit } 175260efeca1SMiri Korenblit 1753e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1754e705c121SKalle Valo } 1755e705c121SKalle Valo 1756e705c121SKalle Valo struct iwl_mvm_mc_iter_data { 1757e705c121SKalle Valo struct iwl_mvm *mvm; 1758e705c121SKalle Valo int port_id; 1759e705c121SKalle Valo }; 1760e705c121SKalle Valo 1761e705c121SKalle Valo static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac, 1762e705c121SKalle Valo struct ieee80211_vif *vif) 1763e705c121SKalle Valo { 1764e705c121SKalle Valo struct iwl_mvm_mc_iter_data *data = _data; 1765e705c121SKalle Valo struct iwl_mvm *mvm = data->mvm; 1766e705c121SKalle Valo struct iwl_mcast_filter_cmd *cmd = mvm->mcast_filter_cmd; 176797bce57bSLuca Coelho struct iwl_host_cmd hcmd = { 176897bce57bSLuca Coelho .id = MCAST_FILTER_CMD, 176997bce57bSLuca Coelho .flags = CMD_ASYNC, 177097bce57bSLuca Coelho .dataflags[0] = IWL_HCMD_DFL_NOCOPY, 177197bce57bSLuca Coelho }; 1772e705c121SKalle Valo int ret, len; 1773e705c121SKalle Valo 1774e705c121SKalle Valo /* if we don't have free ports, mcast frames will be dropped */ 1775e705c121SKalle Valo if (WARN_ON_ONCE(data->port_id >= MAX_PORT_ID_NUM)) 1776e705c121SKalle Valo return; 1777e705c121SKalle Valo 1778e705c121SKalle Valo if (vif->type != NL80211_IFTYPE_STATION || 1779f276e20bSJohannes Berg !vif->cfg.assoc) 1780e705c121SKalle Valo return; 1781e705c121SKalle Valo 1782e705c121SKalle Valo cmd->port_id = data->port_id++; 1783e705c121SKalle Valo memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN); 1784e705c121SKalle Valo len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4); 1785e705c121SKalle Valo 178697bce57bSLuca Coelho hcmd.len[0] = len; 178797bce57bSLuca Coelho hcmd.data[0] = cmd; 178897bce57bSLuca Coelho 178997bce57bSLuca Coelho ret = iwl_mvm_send_cmd(mvm, &hcmd); 1790e705c121SKalle Valo if (ret) 1791e705c121SKalle Valo IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret); 1792e705c121SKalle Valo } 1793e705c121SKalle Valo 1794e705c121SKalle Valo static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm) 1795e705c121SKalle Valo { 1796e705c121SKalle Valo struct iwl_mvm_mc_iter_data iter_data = { 1797e705c121SKalle Valo .mvm = mvm, 1798e705c121SKalle Valo }; 1799db66abeeSJohannes Berg int ret; 1800e705c121SKalle Valo 1801e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 1802e705c121SKalle Valo 1803e705c121SKalle Valo if (WARN_ON_ONCE(!mvm->mcast_filter_cmd)) 1804e705c121SKalle Valo return; 1805e705c121SKalle Valo 1806e705c121SKalle Valo ieee80211_iterate_active_interfaces_atomic( 1807e705c121SKalle Valo mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 1808e705c121SKalle Valo iwl_mvm_mc_iface_iterator, &iter_data); 1809db66abeeSJohannes Berg 1810db66abeeSJohannes Berg /* 1811db66abeeSJohannes Berg * Send a (synchronous) ech command so that we wait for the 1812db66abeeSJohannes Berg * multiple asynchronous MCAST_FILTER_CMD commands sent by 1813db66abeeSJohannes Berg * the interface iterator. Otherwise, we might get here over 1814db66abeeSJohannes Berg * and over again (by userspace just sending a lot of these) 1815db66abeeSJohannes Berg * and the CPU can send them faster than the firmware can 1816db66abeeSJohannes Berg * process them. 1817db66abeeSJohannes Berg * Note that the CPU is still faster - but with this we'll 1818db66abeeSJohannes Berg * actually send fewer commands overall because the CPU will 1819db66abeeSJohannes Berg * not schedule the work in mac80211 as frequently if it's 1820db66abeeSJohannes Berg * still running when rescheduled (possibly multiple times). 1821db66abeeSJohannes Berg */ 1822db66abeeSJohannes Berg ret = iwl_mvm_send_cmd_pdu(mvm, ECHO_CMD, 0, 0, NULL); 1823db66abeeSJohannes Berg if (ret) 1824db66abeeSJohannes Berg IWL_ERR(mvm, "Failed to synchronize multicast groups update\n"); 1825e705c121SKalle Valo } 1826e705c121SKalle Valo 1827cbce62a3SMiri Korenblit u64 iwl_mvm_prepare_multicast(struct ieee80211_hw *hw, 1828e705c121SKalle Valo struct netdev_hw_addr_list *mc_list) 1829e705c121SKalle Valo { 1830e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1831e705c121SKalle Valo struct iwl_mcast_filter_cmd *cmd; 1832e705c121SKalle Valo struct netdev_hw_addr *addr; 1833e705c121SKalle Valo int addr_count; 1834e705c121SKalle Valo bool pass_all; 1835e705c121SKalle Valo int len; 1836e705c121SKalle Valo 1837e705c121SKalle Valo addr_count = netdev_hw_addr_list_count(mc_list); 1838e705c121SKalle Valo pass_all = addr_count > MAX_MCAST_FILTERING_ADDRESSES || 1839e705c121SKalle Valo IWL_MVM_FW_MCAST_FILTER_PASS_ALL; 1840e705c121SKalle Valo if (pass_all) 1841e705c121SKalle Valo addr_count = 0; 1842e705c121SKalle Valo 1843e705c121SKalle Valo len = roundup(sizeof(*cmd) + addr_count * ETH_ALEN, 4); 1844e705c121SKalle Valo cmd = kzalloc(len, GFP_ATOMIC); 1845e705c121SKalle Valo if (!cmd) 1846e705c121SKalle Valo return 0; 1847e705c121SKalle Valo 1848e705c121SKalle Valo if (pass_all) { 1849e705c121SKalle Valo cmd->pass_all = 1; 1850e705c121SKalle Valo return (u64)(unsigned long)cmd; 1851e705c121SKalle Valo } 1852e705c121SKalle Valo 1853e705c121SKalle Valo netdev_hw_addr_list_for_each(addr, mc_list) { 1854e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %pM\n", 1855e705c121SKalle Valo cmd->count, addr->addr); 1856e705c121SKalle Valo memcpy(&cmd->addr_list[cmd->count * ETH_ALEN], 1857e705c121SKalle Valo addr->addr, ETH_ALEN); 1858e705c121SKalle Valo cmd->count++; 1859e705c121SKalle Valo } 1860e705c121SKalle Valo 1861e705c121SKalle Valo return (u64)(unsigned long)cmd; 1862e705c121SKalle Valo } 1863e705c121SKalle Valo 1864cbce62a3SMiri Korenblit void iwl_mvm_configure_filter(struct ieee80211_hw *hw, 1865e705c121SKalle Valo unsigned int changed_flags, 1866cbce62a3SMiri Korenblit unsigned int *total_flags, u64 multicast) 1867e705c121SKalle Valo { 1868e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1869e705c121SKalle Valo struct iwl_mcast_filter_cmd *cmd = (void *)(unsigned long)multicast; 1870e705c121SKalle Valo 1871e705c121SKalle Valo mutex_lock(&mvm->mutex); 1872e705c121SKalle Valo 1873e705c121SKalle Valo /* replace previous configuration */ 1874e705c121SKalle Valo kfree(mvm->mcast_filter_cmd); 1875e705c121SKalle Valo mvm->mcast_filter_cmd = cmd; 1876e705c121SKalle Valo 1877e705c121SKalle Valo if (!cmd) 1878e705c121SKalle Valo goto out; 1879e705c121SKalle Valo 188061e7d91bSLuca Coelho if (changed_flags & FIF_ALLMULTI) 188161e7d91bSLuca Coelho cmd->pass_all = !!(*total_flags & FIF_ALLMULTI); 188261e7d91bSLuca Coelho 188361e7d91bSLuca Coelho if (cmd->pass_all) 188461e7d91bSLuca Coelho cmd->count = 0; 188561e7d91bSLuca Coelho 1886e705c121SKalle Valo iwl_mvm_recalc_multicast(mvm); 1887e705c121SKalle Valo out: 1888e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1889e705c121SKalle Valo *total_flags = 0; 1890e705c121SKalle Valo } 1891e705c121SKalle Valo 1892e705c121SKalle Valo static void iwl_mvm_config_iface_filter(struct ieee80211_hw *hw, 1893e705c121SKalle Valo struct ieee80211_vif *vif, 1894e705c121SKalle Valo unsigned int filter_flags, 1895e705c121SKalle Valo unsigned int changed_flags) 1896e705c121SKalle Valo { 1897e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1898e705c121SKalle Valo 1899e705c121SKalle Valo /* We support only filter for probe requests */ 1900e705c121SKalle Valo if (!(changed_flags & FIF_PROBE_REQ)) 1901e705c121SKalle Valo return; 1902e705c121SKalle Valo 1903e705c121SKalle Valo /* Supported only for p2p client interfaces */ 1904f276e20bSJohannes Berg if (vif->type != NL80211_IFTYPE_STATION || !vif->cfg.assoc || 1905e705c121SKalle Valo !vif->p2p) 1906e705c121SKalle Valo return; 1907e705c121SKalle Valo 1908e705c121SKalle Valo mutex_lock(&mvm->mutex); 1909e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 1910e705c121SKalle Valo mutex_unlock(&mvm->mutex); 1911e705c121SKalle Valo } 1912e705c121SKalle Valo 191322c58834SGregory Greenman int iwl_mvm_update_mu_groups(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 1914a07a8f37SSara Sharon { 1915a07a8f37SSara Sharon struct iwl_mu_group_mgmt_cmd cmd = {}; 1916a07a8f37SSara Sharon 1917a07a8f37SSara Sharon memcpy(cmd.membership_status, vif->bss_conf.mu_group.membership, 1918a07a8f37SSara Sharon WLAN_MEMBERSHIP_LEN); 1919a07a8f37SSara Sharon memcpy(cmd.user_position, vif->bss_conf.mu_group.position, 1920a07a8f37SSara Sharon WLAN_USER_POSITION_LEN); 1921a07a8f37SSara Sharon 1922a07a8f37SSara Sharon return iwl_mvm_send_cmd_pdu(mvm, 1923a07a8f37SSara Sharon WIDE_ID(DATA_PATH_GROUP, 1924a07a8f37SSara Sharon UPDATE_MU_GROUPS_CMD), 1925a07a8f37SSara Sharon 0, sizeof(cmd), &cmd); 1926a07a8f37SSara Sharon } 1927a07a8f37SSara Sharon 1928f92659a1SSara Sharon static void iwl_mvm_mu_mimo_iface_iterator(void *_data, u8 *mac, 1929f92659a1SSara Sharon struct ieee80211_vif *vif) 1930f92659a1SSara Sharon { 1931d0a9123eSJohannes Berg if (vif->bss_conf.mu_mimo_owner) { 1932f92659a1SSara Sharon struct iwl_mu_group_mgmt_notif *notif = _data; 1933f92659a1SSara Sharon 1934f92659a1SSara Sharon /* 1935f92659a1SSara Sharon * MU-MIMO Group Id action frame is little endian. We treat 1936f92659a1SSara Sharon * the data received from firmware as if it came from the 1937f92659a1SSara Sharon * action frame, so no conversion is needed. 1938f92659a1SSara Sharon */ 1939afe0d181SJohannes Berg ieee80211_update_mu_groups(vif, 0, 1940f92659a1SSara Sharon (u8 *)¬if->membership_status, 1941f92659a1SSara Sharon (u8 *)¬if->user_position); 1942f92659a1SSara Sharon } 1943f92659a1SSara Sharon } 1944f92659a1SSara Sharon 1945f92659a1SSara Sharon void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm, 1946f92659a1SSara Sharon struct iwl_rx_cmd_buffer *rxb) 1947f92659a1SSara Sharon { 1948f92659a1SSara Sharon struct iwl_rx_packet *pkt = rxb_addr(rxb); 1949f92659a1SSara Sharon struct iwl_mu_group_mgmt_notif *notif = (void *)pkt->data; 1950f92659a1SSara Sharon 1951f92659a1SSara Sharon ieee80211_iterate_active_interfaces_atomic( 1952f92659a1SSara Sharon mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 1953f92659a1SSara Sharon iwl_mvm_mu_mimo_iface_iterator, notif); 1954f92659a1SSara Sharon } 1955f92659a1SSara Sharon 1956514c3069SLuca Coelho static u8 iwl_mvm_he_get_ppe_val(u8 *ppe, u8 ppe_pos_bit) 1957514c3069SLuca Coelho { 1958514c3069SLuca Coelho u8 byte_num = ppe_pos_bit / 8; 1959514c3069SLuca Coelho u8 bit_num = ppe_pos_bit % 8; 1960514c3069SLuca Coelho u8 residue_bits; 1961514c3069SLuca Coelho u8 res; 1962514c3069SLuca Coelho 1963514c3069SLuca Coelho if (bit_num <= 5) 1964514c3069SLuca Coelho return (ppe[byte_num] >> bit_num) & 1965514c3069SLuca Coelho (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE) - 1); 1966514c3069SLuca Coelho 1967514c3069SLuca Coelho /* 1968514c3069SLuca Coelho * If bit_num > 5, we have to combine bits with next byte. 1969514c3069SLuca Coelho * Calculate how many bits we need to take from current byte (called 1970514c3069SLuca Coelho * here "residue_bits"), and add them to bits from next byte. 1971514c3069SLuca Coelho */ 1972514c3069SLuca Coelho 1973514c3069SLuca Coelho residue_bits = 8 - bit_num; 1974514c3069SLuca Coelho 1975514c3069SLuca Coelho res = (ppe[byte_num + 1] & 1976514c3069SLuca Coelho (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE - residue_bits) - 1)) << 1977514c3069SLuca Coelho residue_bits; 1978514c3069SLuca Coelho res += (ppe[byte_num] >> bit_num) & (BIT(residue_bits) - 1); 1979514c3069SLuca Coelho 1980514c3069SLuca Coelho return res; 1981514c3069SLuca Coelho } 1982514c3069SLuca Coelho 1983091296d3SMiri Korenblit static void iwl_mvm_parse_ppe(struct iwl_mvm *mvm, 1984091296d3SMiri Korenblit struct iwl_he_pkt_ext_v2 *pkt_ext, u8 nss, 1985cb63eb43SMiri Korenblit u8 ru_index_bitmap, u8 *ppe, u8 ppe_pos_bit, 1986cb63eb43SMiri Korenblit bool inheritance) 1987091296d3SMiri Korenblit { 1988091296d3SMiri Korenblit int i; 1989091296d3SMiri Korenblit 1990091296d3SMiri Korenblit /* 1991091296d3SMiri Korenblit * FW currently supports only nss == MAX_HE_SUPP_NSS 1992091296d3SMiri Korenblit * 1993091296d3SMiri Korenblit * If nss > MAX: we can ignore values we don't support 1994091296d3SMiri Korenblit * If nss < MAX: we can set zeros in other streams 1995091296d3SMiri Korenblit */ 1996091296d3SMiri Korenblit if (nss > MAX_HE_SUPP_NSS) { 19974d8421f2SJason A. Donenfeld IWL_DEBUG_INFO(mvm, "Got NSS = %d - trimming to %d\n", nss, 1998091296d3SMiri Korenblit MAX_HE_SUPP_NSS); 1999091296d3SMiri Korenblit nss = MAX_HE_SUPP_NSS; 2000091296d3SMiri Korenblit } 2001091296d3SMiri Korenblit 2002091296d3SMiri Korenblit for (i = 0; i < nss; i++) { 2003091296d3SMiri Korenblit u8 ru_index_tmp = ru_index_bitmap << 1; 2004091296d3SMiri Korenblit u8 low_th = IWL_HE_PKT_EXT_NONE, high_th = IWL_HE_PKT_EXT_NONE; 2005091296d3SMiri Korenblit u8 bw; 2006091296d3SMiri Korenblit 2007091296d3SMiri Korenblit for (bw = 0; 2008091296d3SMiri Korenblit bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]); 2009091296d3SMiri Korenblit bw++) { 2010091296d3SMiri Korenblit ru_index_tmp >>= 1; 2011091296d3SMiri Korenblit 2012cb63eb43SMiri Korenblit /* 2013cb63eb43SMiri Korenblit * According to the 11be spec, if for a specific BW the PPE Thresholds 2014cb63eb43SMiri Korenblit * isn't present - it should inherit the thresholds from the last 2015cb63eb43SMiri Korenblit * BW for which we had PPE Thresholds. In 11ax though, we don't have 2016cb63eb43SMiri Korenblit * this inheritance - continue in this case 2017cb63eb43SMiri Korenblit */ 2018cb63eb43SMiri Korenblit if (!(ru_index_tmp & 1)) { 2019cb63eb43SMiri Korenblit if (inheritance) 2020cb63eb43SMiri Korenblit goto set_thresholds; 2021cb63eb43SMiri Korenblit else 2022091296d3SMiri Korenblit continue; 2023cb63eb43SMiri Korenblit } 2024091296d3SMiri Korenblit 2025091296d3SMiri Korenblit high_th = iwl_mvm_he_get_ppe_val(ppe, ppe_pos_bit); 2026091296d3SMiri Korenblit ppe_pos_bit += IEEE80211_PPE_THRES_INFO_PPET_SIZE; 2027091296d3SMiri Korenblit low_th = iwl_mvm_he_get_ppe_val(ppe, ppe_pos_bit); 2028091296d3SMiri Korenblit ppe_pos_bit += IEEE80211_PPE_THRES_INFO_PPET_SIZE; 2029091296d3SMiri Korenblit 2030cb63eb43SMiri Korenblit set_thresholds: 2031091296d3SMiri Korenblit pkt_ext->pkt_ext_qam_th[i][bw][0] = low_th; 2032091296d3SMiri Korenblit pkt_ext->pkt_ext_qam_th[i][bw][1] = high_th; 2033091296d3SMiri Korenblit } 2034091296d3SMiri Korenblit } 2035091296d3SMiri Korenblit } 2036091296d3SMiri Korenblit 2037091296d3SMiri Korenblit static void iwl_mvm_set_pkt_ext_from_he_ppe(struct iwl_mvm *mvm, 203857974a55SGregory Greenman struct ieee80211_link_sta *link_sta, 2039cb63eb43SMiri Korenblit struct iwl_he_pkt_ext_v2 *pkt_ext, 2040cb63eb43SMiri Korenblit bool inheritance) 2041091296d3SMiri Korenblit { 204257974a55SGregory Greenman u8 nss = (link_sta->he_cap.ppe_thres[0] & 204357974a55SGregory Greenman IEEE80211_PPE_THRES_NSS_MASK) + 1; 204457974a55SGregory Greenman u8 *ppe = &link_sta->he_cap.ppe_thres[0]; 2045091296d3SMiri Korenblit u8 ru_index_bitmap = 2046091296d3SMiri Korenblit u8_get_bits(*ppe, 2047091296d3SMiri Korenblit IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK); 2048091296d3SMiri Korenblit /* Starting after PPE header */ 2049091296d3SMiri Korenblit u8 ppe_pos_bit = IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE; 2050091296d3SMiri Korenblit 2051cb63eb43SMiri Korenblit iwl_mvm_parse_ppe(mvm, pkt_ext, nss, ru_index_bitmap, ppe, ppe_pos_bit, 2052cb63eb43SMiri Korenblit inheritance); 2053091296d3SMiri Korenblit } 2054091296d3SMiri Korenblit 20554df6a075SMiri Korenblit static int 20564df6a075SMiri Korenblit iwl_mvm_set_pkt_ext_from_nominal_padding(struct iwl_he_pkt_ext_v2 *pkt_ext, 20574df6a075SMiri Korenblit u8 nominal_padding) 2058091296d3SMiri Korenblit { 2059091296d3SMiri Korenblit int low_th = -1; 2060091296d3SMiri Korenblit int high_th = -1; 2061091296d3SMiri Korenblit int i; 2062091296d3SMiri Korenblit 2063cb63eb43SMiri Korenblit /* all the macros are the same for EHT and HE */ 2064091296d3SMiri Korenblit switch (nominal_padding) { 2065cb63eb43SMiri Korenblit case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_0US: 2066091296d3SMiri Korenblit low_th = IWL_HE_PKT_EXT_NONE; 2067091296d3SMiri Korenblit high_th = IWL_HE_PKT_EXT_NONE; 2068091296d3SMiri Korenblit break; 2069cb63eb43SMiri Korenblit case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US: 2070091296d3SMiri Korenblit low_th = IWL_HE_PKT_EXT_BPSK; 2071091296d3SMiri Korenblit high_th = IWL_HE_PKT_EXT_NONE; 2072091296d3SMiri Korenblit break; 2073cb63eb43SMiri Korenblit case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US: 2074cb63eb43SMiri Korenblit case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US: 2075091296d3SMiri Korenblit low_th = IWL_HE_PKT_EXT_NONE; 2076091296d3SMiri Korenblit high_th = IWL_HE_PKT_EXT_BPSK; 2077091296d3SMiri Korenblit break; 2078091296d3SMiri Korenblit } 2079091296d3SMiri Korenblit 20804df6a075SMiri Korenblit if (low_th < 0 || high_th < 0) 20814df6a075SMiri Korenblit return -EINVAL; 20824df6a075SMiri Korenblit 2083091296d3SMiri Korenblit /* Set the PPE thresholds accordingly */ 2084091296d3SMiri Korenblit for (i = 0; i < MAX_HE_SUPP_NSS; i++) { 2085091296d3SMiri Korenblit u8 bw; 2086091296d3SMiri Korenblit 2087091296d3SMiri Korenblit for (bw = 0; 2088091296d3SMiri Korenblit bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]); 2089091296d3SMiri Korenblit bw++) { 2090091296d3SMiri Korenblit pkt_ext->pkt_ext_qam_th[i][bw][0] = low_th; 2091091296d3SMiri Korenblit pkt_ext->pkt_ext_qam_th[i][bw][1] = high_th; 2092091296d3SMiri Korenblit } 2093091296d3SMiri Korenblit } 2094091296d3SMiri Korenblit 20954df6a075SMiri Korenblit return 0; 2096091296d3SMiri Korenblit } 2097091296d3SMiri Korenblit 2098cb63eb43SMiri Korenblit static void iwl_mvm_get_optimal_ppe_info(struct iwl_he_pkt_ext_v2 *pkt_ext, 2099cb63eb43SMiri Korenblit u8 nominal_padding) 2100cb63eb43SMiri Korenblit { 2101cb63eb43SMiri Korenblit int i; 2102cb63eb43SMiri Korenblit 2103cb63eb43SMiri Korenblit for (i = 0; i < MAX_HE_SUPP_NSS; i++) { 2104cb63eb43SMiri Korenblit u8 bw; 2105cb63eb43SMiri Korenblit 2106cb63eb43SMiri Korenblit for (bw = 0; bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]); 2107cb63eb43SMiri Korenblit bw++) { 2108cb63eb43SMiri Korenblit u8 *qam_th = &pkt_ext->pkt_ext_qam_th[i][bw][0]; 2109cb63eb43SMiri Korenblit 2110cb63eb43SMiri Korenblit if (nominal_padding > 2111cb63eb43SMiri Korenblit IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US && 2112cb63eb43SMiri Korenblit qam_th[1] == IWL_HE_PKT_EXT_NONE) 2113cb63eb43SMiri Korenblit qam_th[1] = IWL_HE_PKT_EXT_4096QAM; 2114cb63eb43SMiri Korenblit else if (nominal_padding == 2115cb63eb43SMiri Korenblit IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US && 2116cb63eb43SMiri Korenblit qam_th[0] == IWL_HE_PKT_EXT_NONE && 2117cb63eb43SMiri Korenblit qam_th[1] == IWL_HE_PKT_EXT_NONE) 2118cb63eb43SMiri Korenblit qam_th[0] = IWL_HE_PKT_EXT_4096QAM; 2119cb63eb43SMiri Korenblit } 2120cb63eb43SMiri Korenblit } 2121cb63eb43SMiri Korenblit } 2122cb63eb43SMiri Korenblit 21234df6a075SMiri Korenblit /* Set the pkt_ext field according to PPE Thresholds element */ 212457974a55SGregory Greenman int iwl_mvm_set_sta_pkt_ext(struct iwl_mvm *mvm, 212557974a55SGregory Greenman struct ieee80211_link_sta *link_sta, 21264df6a075SMiri Korenblit struct iwl_he_pkt_ext_v2 *pkt_ext) 21274df6a075SMiri Korenblit { 21284df6a075SMiri Korenblit u8 nominal_padding; 21294df6a075SMiri Korenblit int i, ret = 0; 21304df6a075SMiri Korenblit 213157974a55SGregory Greenman if (WARN_ON(!link_sta)) 213257974a55SGregory Greenman return -EINVAL; 213357974a55SGregory Greenman 21344df6a075SMiri Korenblit /* Initialize the PPE thresholds to "None" (7), as described in Table 21354df6a075SMiri Korenblit * 9-262ac of 80211.ax/D3.0. 21364df6a075SMiri Korenblit */ 21374df6a075SMiri Korenblit memset(pkt_ext, IWL_HE_PKT_EXT_NONE, 21384df6a075SMiri Korenblit sizeof(struct iwl_he_pkt_ext_v2)); 21394df6a075SMiri Korenblit 214057974a55SGregory Greenman if (link_sta->eht_cap.has_eht) { 21414df6a075SMiri Korenblit nominal_padding = 214257974a55SGregory Greenman u8_get_bits(link_sta->eht_cap.eht_cap_elem.phy_cap_info[5], 21434df6a075SMiri Korenblit IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK); 21444df6a075SMiri Korenblit 21454df6a075SMiri Korenblit /* If PPE Thresholds exists, parse them into a FW-familiar 21464df6a075SMiri Korenblit * format. 21474df6a075SMiri Korenblit */ 214857974a55SGregory Greenman if (link_sta->eht_cap.eht_cap_elem.phy_cap_info[5] & 21494df6a075SMiri Korenblit IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) { 215057974a55SGregory Greenman u8 nss = (link_sta->eht_cap.eht_ppe_thres[0] & 21514df6a075SMiri Korenblit IEEE80211_EHT_PPE_THRES_NSS_MASK) + 1; 215257974a55SGregory Greenman u8 *ppe = &link_sta->eht_cap.eht_ppe_thres[0]; 21534df6a075SMiri Korenblit u8 ru_index_bitmap = 21544df6a075SMiri Korenblit u16_get_bits(*ppe, 21554df6a075SMiri Korenblit IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK); 21564df6a075SMiri Korenblit /* Starting after PPE header */ 21574df6a075SMiri Korenblit u8 ppe_pos_bit = IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE; 21584df6a075SMiri Korenblit 21594df6a075SMiri Korenblit iwl_mvm_parse_ppe(mvm, pkt_ext, nss, ru_index_bitmap, 21604df6a075SMiri Korenblit ppe, ppe_pos_bit, true); 216157974a55SGregory Greenman /* EHT PPE Thresholds doesn't exist - set the API according to 216257974a55SGregory Greenman * HE PPE Tresholds 21634df6a075SMiri Korenblit */ 216457974a55SGregory Greenman } else if (link_sta->he_cap.he_cap_elem.phy_cap_info[6] & 21654df6a075SMiri Korenblit IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 21664df6a075SMiri Korenblit /* Even though HE Capabilities IE doesn't contain PPE 21674df6a075SMiri Korenblit * Thresholds for BW 320Mhz, thresholds for this BW will 21684df6a075SMiri Korenblit * be filled in with the same values as 160Mhz, due to 21694df6a075SMiri Korenblit * the inheritance, as required. 21704df6a075SMiri Korenblit */ 217157974a55SGregory Greenman iwl_mvm_set_pkt_ext_from_he_ppe(mvm, link_sta, pkt_ext, 21724df6a075SMiri Korenblit true); 21734df6a075SMiri Korenblit 21744df6a075SMiri Korenblit /* According to the requirements, for MCSs 12-13 the 21754df6a075SMiri Korenblit * maximum value between HE PPE Threshold and Common 21764df6a075SMiri Korenblit * Nominal Packet Padding needs to be taken 21774df6a075SMiri Korenblit */ 21784df6a075SMiri Korenblit iwl_mvm_get_optimal_ppe_info(pkt_ext, nominal_padding); 21794df6a075SMiri Korenblit 21804df6a075SMiri Korenblit /* if PPE Thresholds doesn't present in both EHT IE and HE IE - 21814df6a075SMiri Korenblit * take the Thresholds from Common Nominal Packet Padding field 21824df6a075SMiri Korenblit */ 21834df6a075SMiri Korenblit } else { 21844df6a075SMiri Korenblit ret = iwl_mvm_set_pkt_ext_from_nominal_padding(pkt_ext, 21854df6a075SMiri Korenblit nominal_padding); 21864df6a075SMiri Korenblit } 218757974a55SGregory Greenman } else if (link_sta->he_cap.has_he) { 21884df6a075SMiri Korenblit /* If PPE Thresholds exist, parse them into a FW-familiar format. */ 218957974a55SGregory Greenman if (link_sta->he_cap.he_cap_elem.phy_cap_info[6] & 21904df6a075SMiri Korenblit IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 219157974a55SGregory Greenman iwl_mvm_set_pkt_ext_from_he_ppe(mvm, link_sta, pkt_ext, 21924df6a075SMiri Korenblit false); 21934df6a075SMiri Korenblit /* PPE Thresholds doesn't exist - set the API PPE values 21944df6a075SMiri Korenblit * according to Common Nominal Packet Padding field. 21954df6a075SMiri Korenblit */ 21964df6a075SMiri Korenblit } else { 21974df6a075SMiri Korenblit nominal_padding = 219857974a55SGregory Greenman u8_get_bits(link_sta->he_cap.he_cap_elem.phy_cap_info[9], 21994df6a075SMiri Korenblit IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK); 22004df6a075SMiri Korenblit if (nominal_padding != IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_RESERVED) 22014df6a075SMiri Korenblit ret = iwl_mvm_set_pkt_ext_from_nominal_padding(pkt_ext, 22024df6a075SMiri Korenblit nominal_padding); 22034df6a075SMiri Korenblit } 22044df6a075SMiri Korenblit } 22054df6a075SMiri Korenblit 22064df6a075SMiri Korenblit for (i = 0; i < MAX_HE_SUPP_NSS; i++) { 22074df6a075SMiri Korenblit int bw; 22084df6a075SMiri Korenblit 22094df6a075SMiri Korenblit for (bw = 0; 22104df6a075SMiri Korenblit bw < ARRAY_SIZE(*pkt_ext->pkt_ext_qam_th[i]); 22114df6a075SMiri Korenblit bw++) { 22124df6a075SMiri Korenblit u8 *qam_th = 22134df6a075SMiri Korenblit &pkt_ext->pkt_ext_qam_th[i][bw][0]; 22144df6a075SMiri Korenblit 22154df6a075SMiri Korenblit IWL_DEBUG_HT(mvm, 22164df6a075SMiri Korenblit "PPE table: nss[%d] bw[%d] PPET8 = %d, PPET16 = %d\n", 22174df6a075SMiri Korenblit i, bw, qam_th[0], qam_th[1]); 22184df6a075SMiri Korenblit } 22194df6a075SMiri Korenblit } 22204df6a075SMiri Korenblit return ret; 22214df6a075SMiri Korenblit } 22224df6a075SMiri Korenblit 22239c4f15caSMiri Korenblit /* 22249c4f15caSMiri Korenblit * This function sets the MU EDCA parameters ans returns whether MU EDCA 22259c4f15caSMiri Korenblit * is enabled or not 22269c4f15caSMiri Korenblit */ 222755eb1c5fSMiri Korenblit bool iwl_mvm_set_fw_mu_edca_params(struct iwl_mvm *mvm, 22289c4f15caSMiri Korenblit struct iwl_mvm_vif *mvmvif, 222955eb1c5fSMiri Korenblit struct iwl_he_backoff_conf *trig_based_txf) 22309c4f15caSMiri Korenblit { 22319c4f15caSMiri Korenblit int i; 22329c4f15caSMiri Korenblit /* Mark MU EDCA as enabled, unless none detected on some AC */ 22339c4f15caSMiri Korenblit bool mu_edca_enabled = true; 22349c4f15caSMiri Korenblit 22359c4f15caSMiri Korenblit for (i = 0; i < IEEE80211_NUM_ACS; i++) { 22369c4f15caSMiri Korenblit struct ieee80211_he_mu_edca_param_ac_rec *mu_edca = 2237650cadb7SGregory Greenman &mvmvif->deflink.queue_params[i].mu_edca_param_rec; 22389c4f15caSMiri Korenblit u8 ac = iwl_mvm_mac80211_ac_to_ucode_ac(i); 22399c4f15caSMiri Korenblit 2240650cadb7SGregory Greenman if (!mvmvif->deflink.queue_params[i].mu_edca) { 22419c4f15caSMiri Korenblit mu_edca_enabled = false; 22429c4f15caSMiri Korenblit break; 22439c4f15caSMiri Korenblit } 22449c4f15caSMiri Korenblit 22459c4f15caSMiri Korenblit trig_based_txf[ac].cwmin = 22469c4f15caSMiri Korenblit cpu_to_le16(mu_edca->ecw_min_max & 0xf); 22479c4f15caSMiri Korenblit trig_based_txf[ac].cwmax = 22489c4f15caSMiri Korenblit cpu_to_le16((mu_edca->ecw_min_max & 0xf0) >> 4); 22499c4f15caSMiri Korenblit trig_based_txf[ac].aifsn = 22509c4f15caSMiri Korenblit cpu_to_le16(mu_edca->aifsn & 0xf); 22519c4f15caSMiri Korenblit trig_based_txf[ac].mu_time = 22529c4f15caSMiri Korenblit cpu_to_le16(mu_edca->mu_edca_timer); 22539c4f15caSMiri Korenblit } 22549c4f15caSMiri Korenblit 22559c4f15caSMiri Korenblit return mu_edca_enabled; 22569c4f15caSMiri Korenblit } 22579c4f15caSMiri Korenblit 22589be162a7SMiri Korenblit bool iwl_mvm_is_nic_ack_enabled(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 22599c4f15caSMiri Korenblit { 22609c4f15caSMiri Korenblit const struct ieee80211_supported_band *sband; 22619c4f15caSMiri Korenblit const struct ieee80211_sta_he_cap *own_he_cap = NULL; 22629c4f15caSMiri Korenblit 22639c4f15caSMiri Korenblit /* This capability is the same for all bands, 22649c4f15caSMiri Korenblit * so take it from one of them. 22659c4f15caSMiri Korenblit */ 22669c4f15caSMiri Korenblit sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]; 22679c4f15caSMiri Korenblit own_he_cap = ieee80211_get_he_iftype_cap(sband, 22689c4f15caSMiri Korenblit ieee80211_vif_type_p2p(vif)); 22699c4f15caSMiri Korenblit 22709c4f15caSMiri Korenblit return (own_he_cap && (own_he_cap->he_cap_elem.mac_cap_info[2] & 22719c4f15caSMiri Korenblit IEEE80211_HE_MAC_CAP2_ACK_EN)); 22729c4f15caSMiri Korenblit } 22739c4f15caSMiri Korenblit 227457974a55SGregory Greenman __le32 iwl_mvm_get_sta_htc_flags(struct ieee80211_sta *sta, 227557974a55SGregory Greenman struct ieee80211_link_sta *link_sta) 22764df6a075SMiri Korenblit { 227757974a55SGregory Greenman u8 *mac_cap_info = 227857974a55SGregory Greenman &link_sta->he_cap.he_cap_elem.mac_cap_info[0]; 22794df6a075SMiri Korenblit __le32 htc_flags = 0; 22804df6a075SMiri Korenblit 22814df6a075SMiri Korenblit if (mac_cap_info[0] & IEEE80211_HE_MAC_CAP0_HTC_HE) 22824df6a075SMiri Korenblit htc_flags |= cpu_to_le32(IWL_HE_HTC_SUPPORT); 22834df6a075SMiri Korenblit if ((mac_cap_info[1] & IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION) || 22844df6a075SMiri Korenblit (mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION)) { 22854df6a075SMiri Korenblit u8 link_adap = 22864df6a075SMiri Korenblit ((mac_cap_info[2] & 22874df6a075SMiri Korenblit IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION) << 1) + 22884df6a075SMiri Korenblit (mac_cap_info[1] & 22894df6a075SMiri Korenblit IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION); 22904df6a075SMiri Korenblit 22914df6a075SMiri Korenblit if (link_adap == 2) 22924df6a075SMiri Korenblit htc_flags |= 22934df6a075SMiri Korenblit cpu_to_le32(IWL_HE_HTC_LINK_ADAP_UNSOLICITED); 22944df6a075SMiri Korenblit else if (link_adap == 3) 22954df6a075SMiri Korenblit htc_flags |= cpu_to_le32(IWL_HE_HTC_LINK_ADAP_BOTH); 22964df6a075SMiri Korenblit } 22974df6a075SMiri Korenblit if (mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_BSR) 22984df6a075SMiri Korenblit htc_flags |= cpu_to_le32(IWL_HE_HTC_BSR_SUPP); 22994df6a075SMiri Korenblit if (mac_cap_info[3] & IEEE80211_HE_MAC_CAP3_OMI_CONTROL) 23004df6a075SMiri Korenblit htc_flags |= cpu_to_le32(IWL_HE_HTC_OMI_SUPP); 23014df6a075SMiri Korenblit if (mac_cap_info[4] & IEEE80211_HE_MAC_CAP4_BQR) 23024df6a075SMiri Korenblit htc_flags |= cpu_to_le32(IWL_HE_HTC_BQR_SUPP); 23034df6a075SMiri Korenblit 23044df6a075SMiri Korenblit return htc_flags; 23054df6a075SMiri Korenblit } 23064df6a075SMiri Korenblit 2307514c3069SLuca Coelho static void iwl_mvm_cfg_he_sta(struct iwl_mvm *mvm, 2308514c3069SLuca Coelho struct ieee80211_vif *vif, u8 sta_id) 2309514c3069SLuca Coelho { 2310514c3069SLuca Coelho struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 231142506dd2SJohannes Berg struct iwl_he_sta_context_cmd_v3 sta_ctxt_cmd = { 2312514c3069SLuca Coelho .sta_id = sta_id, 2313514c3069SLuca Coelho .tid_limit = IWL_MAX_TID_COUNT, 2314dd56e902SJohn Crispin .bss_color = vif->bss_conf.he_bss_color.color, 2315514c3069SLuca Coelho .htc_trig_based_pkt_ext = vif->bss_conf.htc_trig_based_pkt_ext, 2316514c3069SLuca Coelho .frame_time_rts_th = 2317514c3069SLuca Coelho cpu_to_le16(vif->bss_conf.frame_time_rts_th), 2318514c3069SLuca Coelho }; 231942506dd2SJohannes Berg struct iwl_he_sta_context_cmd_v2 sta_ctxt_cmd_v2 = {}; 232042506dd2SJohannes Berg u32 cmd_id = WIDE_ID(DATA_PATH_GROUP, STA_HE_CTXT_CMD); 232142506dd2SJohannes Berg u8 ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, 2); 232242506dd2SJohannes Berg int size; 2323514c3069SLuca Coelho struct ieee80211_sta *sta; 2324514c3069SLuca Coelho u32 flags; 2325514c3069SLuca Coelho int i; 232642506dd2SJohannes Berg void *cmd; 232742506dd2SJohannes Berg 232842506dd2SJohannes Berg if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_MBSSID_HE)) 232942506dd2SJohannes Berg ver = 1; 233042506dd2SJohannes Berg 233142506dd2SJohannes Berg switch (ver) { 233242506dd2SJohannes Berg case 1: 233342506dd2SJohannes Berg /* same layout as v2 except some data at the end */ 233442506dd2SJohannes Berg cmd = &sta_ctxt_cmd_v2; 233542506dd2SJohannes Berg size = sizeof(struct iwl_he_sta_context_cmd_v1); 233642506dd2SJohannes Berg break; 233742506dd2SJohannes Berg case 2: 233842506dd2SJohannes Berg cmd = &sta_ctxt_cmd_v2; 233942506dd2SJohannes Berg size = sizeof(struct iwl_he_sta_context_cmd_v2); 234042506dd2SJohannes Berg break; 234142506dd2SJohannes Berg case 3: 234242506dd2SJohannes Berg cmd = &sta_ctxt_cmd; 234342506dd2SJohannes Berg size = sizeof(struct iwl_he_sta_context_cmd_v3); 234442506dd2SJohannes Berg break; 234542506dd2SJohannes Berg default: 234642506dd2SJohannes Berg IWL_ERR(mvm, "bad STA_HE_CTXT_CMD version %d\n", ver); 234742506dd2SJohannes Berg return; 234842506dd2SJohannes Berg } 2349514c3069SLuca Coelho 2350514c3069SLuca Coelho rcu_read_lock(); 2351514c3069SLuca Coelho 2352514c3069SLuca Coelho sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_ctxt_cmd.sta_id]); 235312d47f0eSAndrei Otcheretianski if (IS_ERR_OR_NULL(sta)) { 2354514c3069SLuca Coelho rcu_read_unlock(); 2355514c3069SLuca Coelho WARN(1, "Can't find STA to configure HE\n"); 2356514c3069SLuca Coelho return; 2357514c3069SLuca Coelho } 2358514c3069SLuca Coelho 2359046d2e7cSSriram R if (!sta->deflink.he_cap.has_he) { 2360514c3069SLuca Coelho rcu_read_unlock(); 2361514c3069SLuca Coelho return; 2362514c3069SLuca Coelho } 2363514c3069SLuca Coelho 2364514c3069SLuca Coelho flags = 0; 2365514c3069SLuca Coelho 23664f58121dSIlan Peer /* Block 26-tone RU OFDMA transmissions */ 2367650cadb7SGregory Greenman if (mvmvif->deflink.he_ru_2mhz_block) 23684f58121dSIlan Peer flags |= STA_CTXT_HE_RU_2MHZ_BLOCK; 23694f58121dSIlan Peer 2370514c3069SLuca Coelho /* HTC flags */ 237157974a55SGregory Greenman sta_ctxt_cmd.htc_flags = iwl_mvm_get_sta_htc_flags(sta, &sta->deflink); 2372514c3069SLuca Coelho 23734df6a075SMiri Korenblit /* PPE Thresholds */ 237457974a55SGregory Greenman if (!iwl_mvm_set_sta_pkt_ext(mvm, &sta->deflink, &sta_ctxt_cmd.pkt_ext)) 2375cb63eb43SMiri Korenblit flags |= STA_CTXT_HE_PACKET_EXT; 237673f23d91SShaul Triebitz 2377046d2e7cSSriram R if (sta->deflink.he_cap.he_cap_elem.mac_cap_info[2] & 237873f23d91SShaul Triebitz IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP) 237973f23d91SShaul Triebitz flags |= STA_CTXT_HE_32BIT_BA_BITMAP; 238073f23d91SShaul Triebitz 2381046d2e7cSSriram R if (sta->deflink.he_cap.he_cap_elem.mac_cap_info[2] & 238273f23d91SShaul Triebitz IEEE80211_HE_MAC_CAP2_ACK_EN) 238373f23d91SShaul Triebitz flags |= STA_CTXT_HE_ACK_ENABLED; 238473f23d91SShaul Triebitz 2385514c3069SLuca Coelho rcu_read_unlock(); 2386514c3069SLuca Coelho 23879c4f15caSMiri Korenblit if (iwl_mvm_set_fw_mu_edca_params(mvm, mvmvif, 23889c4f15caSMiri Korenblit &sta_ctxt_cmd.trig_based_txf[0])) 2389514c3069SLuca Coelho flags |= STA_CTXT_HE_MU_EDCA_CW; 2390514c3069SLuca Coelho 2391514c3069SLuca Coelho if (vif->bss_conf.uora_exists) { 2392514c3069SLuca Coelho flags |= STA_CTXT_HE_TRIG_RND_ALLOC; 2393514c3069SLuca Coelho 2394514c3069SLuca Coelho sta_ctxt_cmd.rand_alloc_ecwmin = 2395514c3069SLuca Coelho vif->bss_conf.uora_ocw_range & 0x7; 2396514c3069SLuca Coelho sta_ctxt_cmd.rand_alloc_ecwmax = 2397514c3069SLuca Coelho (vif->bss_conf.uora_ocw_range >> 3) & 0x7; 2398514c3069SLuca Coelho } 2399514c3069SLuca Coelho 24009c4f15caSMiri Korenblit if (!iwl_mvm_is_nic_ack_enabled(mvm, vif)) 2401ee1a02d7SShaul Triebitz flags |= STA_CTXT_HE_NIC_NOT_ACK_ENABLED; 2402ee1a02d7SShaul Triebitz 2403918cbf39SSara Sharon if (vif->bss_conf.nontransmitted) { 2404918cbf39SSara Sharon flags |= STA_CTXT_HE_REF_BSSID_VALID; 2405918cbf39SSara Sharon ether_addr_copy(sta_ctxt_cmd.ref_bssid_addr, 2406918cbf39SSara Sharon vif->bss_conf.transmitter_bssid); 2407d14ae796SSara Sharon sta_ctxt_cmd.max_bssid_indicator = 2408d14ae796SSara Sharon vif->bss_conf.bssid_indicator; 2409d14ae796SSara Sharon sta_ctxt_cmd.bssid_index = vif->bss_conf.bssid_index; 2410d14ae796SSara Sharon sta_ctxt_cmd.ema_ap = vif->bss_conf.ema_ap; 2411d14ae796SSara Sharon sta_ctxt_cmd.profile_periodicity = 2412d14ae796SSara Sharon vif->bss_conf.profile_periodicity; 2413918cbf39SSara Sharon } 2414514c3069SLuca Coelho 2415514c3069SLuca Coelho sta_ctxt_cmd.flags = cpu_to_le32(flags); 2416514c3069SLuca Coelho 241742506dd2SJohannes Berg if (ver < 3) { 241842506dd2SJohannes Berg /* fields before pkt_ext */ 241942506dd2SJohannes Berg BUILD_BUG_ON(offsetof(typeof(sta_ctxt_cmd), pkt_ext) != 242042506dd2SJohannes Berg offsetof(typeof(sta_ctxt_cmd_v2), pkt_ext)); 242142506dd2SJohannes Berg memcpy(&sta_ctxt_cmd_v2, &sta_ctxt_cmd, 242242506dd2SJohannes Berg offsetof(typeof(sta_ctxt_cmd), pkt_ext)); 242342506dd2SJohannes Berg 242442506dd2SJohannes Berg /* pkt_ext */ 242542506dd2SJohannes Berg for (i = 0; 242642506dd2SJohannes Berg i < ARRAY_SIZE(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th); 242742506dd2SJohannes Berg i++) { 242842506dd2SJohannes Berg u8 bw; 242942506dd2SJohannes Berg 243042506dd2SJohannes Berg for (bw = 0; 243142506dd2SJohannes Berg bw < ARRAY_SIZE(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i]); 243242506dd2SJohannes Berg bw++) { 243342506dd2SJohannes Berg BUILD_BUG_ON(sizeof(sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw]) != 243442506dd2SJohannes Berg sizeof(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i][bw])); 243542506dd2SJohannes Berg 243642506dd2SJohannes Berg memcpy(&sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i][bw], 243742506dd2SJohannes Berg &sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw], 243842506dd2SJohannes Berg sizeof(sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw])); 243942506dd2SJohannes Berg } 244042506dd2SJohannes Berg } 244142506dd2SJohannes Berg 244242506dd2SJohannes Berg /* fields after pkt_ext */ 244342506dd2SJohannes Berg BUILD_BUG_ON(sizeof(sta_ctxt_cmd) - 244442506dd2SJohannes Berg offsetofend(typeof(sta_ctxt_cmd), pkt_ext) != 244542506dd2SJohannes Berg sizeof(sta_ctxt_cmd_v2) - 244642506dd2SJohannes Berg offsetofend(typeof(sta_ctxt_cmd_v2), pkt_ext)); 244742506dd2SJohannes Berg memcpy((u8 *)&sta_ctxt_cmd_v2 + 244842506dd2SJohannes Berg offsetofend(typeof(sta_ctxt_cmd_v2), pkt_ext), 244942506dd2SJohannes Berg (u8 *)&sta_ctxt_cmd + 245042506dd2SJohannes Berg offsetofend(typeof(sta_ctxt_cmd), pkt_ext), 245142506dd2SJohannes Berg sizeof(sta_ctxt_cmd) - 245242506dd2SJohannes Berg offsetofend(typeof(sta_ctxt_cmd), pkt_ext)); 245342506dd2SJohannes Berg sta_ctxt_cmd_v2.reserved3 = 0; 245442506dd2SJohannes Berg } 245542506dd2SJohannes Berg 245642506dd2SJohannes Berg if (iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, size, cmd)) 2457514c3069SLuca Coelho IWL_ERR(mvm, "Failed to config FW to work HE!\n"); 2458514c3069SLuca Coelho } 2459514c3069SLuca Coelho 2460660eba5aSMiri Korenblit void iwl_mvm_protect_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 2461af84ac57SJohannes Berg u32 duration_override) 2462af84ac57SJohannes Berg { 2463af84ac57SJohannes Berg u32 duration = IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS; 2464af84ac57SJohannes Berg u32 min_duration = IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS; 2465af84ac57SJohannes Berg 2466af84ac57SJohannes Berg if (duration_override > duration) 2467af84ac57SJohannes Berg duration = duration_override; 2468af84ac57SJohannes Berg 2469af84ac57SJohannes Berg /* Try really hard to protect the session and hear a beacon 2470af84ac57SJohannes Berg * The new session protection command allows us to protect the 2471af84ac57SJohannes Berg * session for a much longer time since the firmware will internally 2472af84ac57SJohannes Berg * create two events: a 300TU one with a very high priority that 2473af84ac57SJohannes Berg * won't be fragmented which should be enough for 99% of the cases, 2474af84ac57SJohannes Berg * and another one (which we configure here to be 900TU long) which 2475af84ac57SJohannes Berg * will have a slightly lower priority, but more importantly, can be 2476af84ac57SJohannes Berg * fragmented so that it'll allow other activities to run. 2477af84ac57SJohannes Berg */ 2478af84ac57SJohannes Berg if (fw_has_capa(&mvm->fw->ucode_capa, 2479af84ac57SJohannes Berg IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) 2480af84ac57SJohannes Berg iwl_mvm_schedule_session_protection(mvm, vif, 900, 2481af84ac57SJohannes Berg min_duration, false); 2482af84ac57SJohannes Berg else 2483af84ac57SJohannes Berg iwl_mvm_protect_session(mvm, vif, duration, 2484af84ac57SJohannes Berg min_duration, 500, false); 2485af84ac57SJohannes Berg } 2486af84ac57SJohannes Berg 2487660eba5aSMiri Korenblit /* Handle association common part to MLD and non-MLD modes */ 2488660eba5aSMiri Korenblit void iwl_mvm_bss_info_changed_station_assoc(struct iwl_mvm *mvm, 2489660eba5aSMiri Korenblit struct ieee80211_vif *vif, 2490660eba5aSMiri Korenblit u64 changes) 2491660eba5aSMiri Korenblit { 2492660eba5aSMiri Korenblit struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2493660eba5aSMiri Korenblit int ret; 2494660eba5aSMiri Korenblit 2495660eba5aSMiri Korenblit /* The firmware tracks the MU-MIMO group on its own. 2496660eba5aSMiri Korenblit * However, on HW restart we should restore this data. 2497660eba5aSMiri Korenblit */ 2498660eba5aSMiri Korenblit if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 2499660eba5aSMiri Korenblit (changes & BSS_CHANGED_MU_GROUPS) && vif->bss_conf.mu_mimo_owner) { 2500660eba5aSMiri Korenblit ret = iwl_mvm_update_mu_groups(mvm, vif); 2501660eba5aSMiri Korenblit if (ret) 2502660eba5aSMiri Korenblit IWL_ERR(mvm, 2503660eba5aSMiri Korenblit "failed to update VHT MU_MIMO groups\n"); 2504660eba5aSMiri Korenblit } 2505660eba5aSMiri Korenblit 2506660eba5aSMiri Korenblit iwl_mvm_recalc_multicast(mvm); 2507660eba5aSMiri Korenblit 2508660eba5aSMiri Korenblit /* reset rssi values */ 2509660eba5aSMiri Korenblit mvmvif->bf_data.ave_beacon_signal = 0; 2510660eba5aSMiri Korenblit 2511660eba5aSMiri Korenblit iwl_mvm_bt_coex_vif_change(mvm); 25121a3e7039SGregory Greenman iwl_mvm_update_smps_on_active_links(mvm, vif, IWL_MVM_SMPS_REQ_TT, 2513660eba5aSMiri Korenblit IEEE80211_SMPS_AUTOMATIC); 2514660eba5aSMiri Korenblit if (fw_has_capa(&mvm->fw->ucode_capa, 2515660eba5aSMiri Korenblit IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 2516660eba5aSMiri Korenblit iwl_mvm_config_scan(mvm); 2517660eba5aSMiri Korenblit } 2518660eba5aSMiri Korenblit 2519660eba5aSMiri Korenblit /* Execute the common part for MLD and non-MLD modes */ 25201a3e7039SGregory Greenman void 25211a3e7039SGregory Greenman iwl_mvm_bss_info_changed_station_common(struct iwl_mvm *mvm, 2522660eba5aSMiri Korenblit struct ieee80211_vif *vif, 25231a3e7039SGregory Greenman struct ieee80211_bss_conf *link_conf, 2524660eba5aSMiri Korenblit u64 changes) 2525660eba5aSMiri Korenblit { 2526660eba5aSMiri Korenblit struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2527660eba5aSMiri Korenblit int ret; 2528660eba5aSMiri Korenblit 2529660eba5aSMiri Korenblit if (changes & BSS_CHANGED_BEACON_INFO) { 2530660eba5aSMiri Korenblit /* We received a beacon from the associated AP so 2531660eba5aSMiri Korenblit * remove the session protection. 2532660eba5aSMiri Korenblit */ 2533660eba5aSMiri Korenblit iwl_mvm_stop_session_protection(mvm, vif); 2534660eba5aSMiri Korenblit 2535660eba5aSMiri Korenblit iwl_mvm_sf_update(mvm, vif, false); 2536660eba5aSMiri Korenblit WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0)); 2537660eba5aSMiri Korenblit } 2538660eba5aSMiri Korenblit 2539660eba5aSMiri Korenblit if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS | 2540660eba5aSMiri Korenblit /* Send power command on every beacon change, 2541660eba5aSMiri Korenblit * because we may have not enabled beacon abort yet. 2542660eba5aSMiri Korenblit */ 2543660eba5aSMiri Korenblit BSS_CHANGED_BEACON_INFO)) { 2544660eba5aSMiri Korenblit ret = iwl_mvm_power_update_mac(mvm); 2545660eba5aSMiri Korenblit if (ret) 2546660eba5aSMiri Korenblit IWL_ERR(mvm, "failed to update power mode\n"); 2547660eba5aSMiri Korenblit } 2548660eba5aSMiri Korenblit 2549660eba5aSMiri Korenblit if (changes & BSS_CHANGED_CQM) { 2550660eba5aSMiri Korenblit IWL_DEBUG_MAC80211(mvm, "cqm info_changed\n"); 2551660eba5aSMiri Korenblit /* reset cqm events tracking */ 2552660eba5aSMiri Korenblit mvmvif->bf_data.last_cqm_event = 0; 2553660eba5aSMiri Korenblit if (mvmvif->bf_data.bf_enabled) { 255422c58834SGregory Greenman /* FIXME: need to update per link when FW API will 255522c58834SGregory Greenman * support it 255622c58834SGregory Greenman */ 2557660eba5aSMiri Korenblit ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0); 2558660eba5aSMiri Korenblit if (ret) 2559660eba5aSMiri Korenblit IWL_ERR(mvm, 2560660eba5aSMiri Korenblit "failed to update CQM thresholds\n"); 2561660eba5aSMiri Korenblit } 2562660eba5aSMiri Korenblit } 2563660eba5aSMiri Korenblit 2564660eba5aSMiri Korenblit if (changes & BSS_CHANGED_BANDWIDTH) 25651a3e7039SGregory Greenman iwl_mvm_update_link_smps(vif, link_conf); 2566660eba5aSMiri Korenblit } 2567660eba5aSMiri Korenblit 2568e705c121SKalle Valo static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, 2569e705c121SKalle Valo struct ieee80211_vif *vif, 2570e705c121SKalle Valo struct ieee80211_bss_conf *bss_conf, 25717b7090b4SJohannes Berg u64 changes) 2572e705c121SKalle Valo { 2573e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2574e705c121SKalle Valo int ret; 2575e705c121SKalle Valo 2576e705c121SKalle Valo /* 2577cdaba917SEmmanuel Grumbach * Re-calculate the tsf id, as the leader-follower relations depend 2578cdaba917SEmmanuel Grumbach * on the beacon interval, which was not known when the station 2579cdaba917SEmmanuel Grumbach * interface was added. 2580e705c121SKalle Valo */ 2581f276e20bSJohannes Berg if (changes & BSS_CHANGED_ASSOC && vif->cfg.assoc) { 2582cb63eb43SMiri Korenblit if ((vif->bss_conf.he_support && 2583cb63eb43SMiri Korenblit !iwlwifi_mod_params.disable_11ax) || 2584cb63eb43SMiri Korenblit (vif->bss_conf.eht_support && 2585cb63eb43SMiri Korenblit !iwlwifi_mod_params.disable_11be)) 2586650cadb7SGregory Greenman iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->deflink.ap_sta_id); 2587514c3069SLuca Coelho 2588e705c121SKalle Valo iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); 2589514c3069SLuca Coelho } 2590e705c121SKalle Valo 259140ecdd01SShaul Triebitz /* Update MU EDCA params */ 259240ecdd01SShaul Triebitz if (changes & BSS_CHANGED_QOS && mvmvif->associated && 2593cb63eb43SMiri Korenblit vif->cfg.assoc && 2594cb63eb43SMiri Korenblit ((vif->bss_conf.he_support && 2595cb63eb43SMiri Korenblit !iwlwifi_mod_params.disable_11ax) || 2596cb63eb43SMiri Korenblit (vif->bss_conf.eht_support && 2597cb63eb43SMiri Korenblit !iwlwifi_mod_params.disable_11be))) 2598650cadb7SGregory Greenman iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->deflink.ap_sta_id); 259940ecdd01SShaul Triebitz 2600e705c121SKalle Valo /* 2601e705c121SKalle Valo * If we're not associated yet, take the (new) BSSID before associating 2602e705c121SKalle Valo * so the firmware knows. If we're already associated, then use the old 2603e705c121SKalle Valo * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC 2604e705c121SKalle Valo * branch for disassociation below. 2605e705c121SKalle Valo */ 2606e705c121SKalle Valo if (changes & BSS_CHANGED_BSSID && !mvmvif->associated) 2607650cadb7SGregory Greenman memcpy(mvmvif->deflink.bssid, bss_conf->bssid, ETH_ALEN); 2608e705c121SKalle Valo 2609650cadb7SGregory Greenman ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, mvmvif->deflink.bssid); 2610e705c121SKalle Valo if (ret) 2611e705c121SKalle Valo IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); 2612e705c121SKalle Valo 2613e705c121SKalle Valo /* after sending it once, adopt mac80211 data */ 2614650cadb7SGregory Greenman memcpy(mvmvif->deflink.bssid, bss_conf->bssid, ETH_ALEN); 2615f276e20bSJohannes Berg mvmvif->associated = vif->cfg.assoc; 2616e705c121SKalle Valo 2617e705c121SKalle Valo if (changes & BSS_CHANGED_ASSOC) { 2618f276e20bSJohannes Berg if (vif->cfg.assoc) { 2619e705c121SKalle Valo /* clear statistics to get clean beacon counter */ 2620e705c121SKalle Valo iwl_mvm_request_statistics(mvm, true); 2621650cadb7SGregory Greenman memset(&mvmvif->deflink.beacon_stats, 0, 2622650cadb7SGregory Greenman sizeof(mvmvif->deflink.beacon_stats)); 2623e705c121SKalle Valo 2624e705c121SKalle Valo /* add quota for this interface */ 2625e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, true, NULL); 2626e705c121SKalle Valo if (ret) { 2627e705c121SKalle Valo IWL_ERR(mvm, "failed to update quotas\n"); 2628e705c121SKalle Valo return; 2629e705c121SKalle Valo } 2630e705c121SKalle Valo 2631e705c121SKalle Valo if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 2632fe959c7bSEmmanuel Grumbach &mvm->status) && 2633fe959c7bSEmmanuel Grumbach !fw_has_capa(&mvm->fw->ucode_capa, 2634fe959c7bSEmmanuel Grumbach IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) { 2635e705c121SKalle Valo /* 2636e705c121SKalle Valo * If we're restarting then the firmware will 2637e705c121SKalle Valo * obviously have lost synchronisation with 2638e705c121SKalle Valo * the AP. It will attempt to synchronise by 2639e705c121SKalle Valo * itself, but we can make it more reliable by 2640e705c121SKalle Valo * scheduling a session protection time event. 2641e705c121SKalle Valo * 2642e705c121SKalle Valo * The firmware needs to receive a beacon to 2643e705c121SKalle Valo * catch up with synchronisation, use 110% of 2644e705c121SKalle Valo * the beacon interval. 2645e705c121SKalle Valo * 2646e705c121SKalle Valo * Set a large maximum delay to allow for more 2647e705c121SKalle Valo * than a single interface. 2648fe959c7bSEmmanuel Grumbach * 2649fe959c7bSEmmanuel Grumbach * For new firmware versions, rely on the 2650fe959c7bSEmmanuel Grumbach * firmware. This is relevant for DCM scenarios 2651fe959c7bSEmmanuel Grumbach * only anyway. 2652e705c121SKalle Valo */ 2653e705c121SKalle Valo u32 dur = (11 * vif->bss_conf.beacon_int) / 10; 2654e705c121SKalle Valo iwl_mvm_protect_session(mvm, vif, dur, dur, 2655e705c121SKalle Valo 5 * dur, false); 2656af84ac57SJohannes Berg } else if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 2657af84ac57SJohannes Berg &mvm->status) && 2658af84ac57SJohannes Berg !vif->bss_conf.dtim_period) { 2659af84ac57SJohannes Berg /* 2660af84ac57SJohannes Berg * If we're not restarting and still haven't 2661af84ac57SJohannes Berg * heard a beacon (dtim period unknown) then 2662af84ac57SJohannes Berg * make sure we still have enough minimum time 2663af84ac57SJohannes Berg * remaining in the time event, since the auth 2664af84ac57SJohannes Berg * might actually have taken quite a while 2665af84ac57SJohannes Berg * (especially for SAE) and so the remaining 2666af84ac57SJohannes Berg * time could be small without us having heard 2667af84ac57SJohannes Berg * a beacon yet. 2668af84ac57SJohannes Berg */ 2669af84ac57SJohannes Berg iwl_mvm_protect_assoc(mvm, vif, 0); 2670e705c121SKalle Valo } 2671e705c121SKalle Valo 2672e705c121SKalle Valo iwl_mvm_sf_update(mvm, vif, false); 2673e705c121SKalle Valo iwl_mvm_power_vif_assoc(mvm, vif); 2674e705c121SKalle Valo if (vif->p2p) { 2675e705c121SKalle Valo iwl_mvm_update_smps(mvm, vif, 2676e705c121SKalle Valo IWL_MVM_SMPS_REQ_PROT, 26771a3e7039SGregory Greenman IEEE80211_SMPS_DYNAMIC, 0); 2678e705c121SKalle Valo } 2679650cadb7SGregory Greenman } else if (mvmvif->deflink.ap_sta_id != IWL_MVM_INVALID_STA) { 26806d19a5ebSEmmanuel Grumbach iwl_mvm_mei_host_disassociated(mvm); 2681e705c121SKalle Valo /* 2682e705c121SKalle Valo * If update fails - SF might be running in associated 2683e705c121SKalle Valo * mode while disassociated - which is forbidden. 2684e705c121SKalle Valo */ 268569e508b4SIlan Peer ret = iwl_mvm_sf_update(mvm, vif, false); 268669e508b4SIlan Peer WARN_ONCE(ret && 268769e508b4SIlan Peer !test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 268869e508b4SIlan Peer &mvm->status), 2689e705c121SKalle Valo "Failed to update SF upon disassociation\n"); 2690e705c121SKalle Valo 26916b28f978SEmmanuel Grumbach /* 26926b28f978SEmmanuel Grumbach * If we get an assert during the connection (after the 26936b28f978SEmmanuel Grumbach * station has been added, but before the vif is set 26946b28f978SEmmanuel Grumbach * to associated), mac80211 will re-add the station and 26956b28f978SEmmanuel Grumbach * then configure the vif. Since the vif is not 26966b28f978SEmmanuel Grumbach * associated, we would remove the station here and 26976b28f978SEmmanuel Grumbach * this would fail the recovery. 26986b28f978SEmmanuel Grumbach */ 26996b28f978SEmmanuel Grumbach if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 27006b28f978SEmmanuel Grumbach &mvm->status)) { 27015c75a208SJohannes Berg /* first remove remaining keys */ 2702ba9eef6bSGregory Greenman iwl_mvm_sec_key_remove_ap(mvm, vif, 2703ba9eef6bSGregory Greenman &mvmvif->deflink); 27045c75a208SJohannes Berg 27056b28f978SEmmanuel Grumbach /* 27066b28f978SEmmanuel Grumbach * Remove AP station now that 27076b28f978SEmmanuel Grumbach * the MAC is unassoc 27086b28f978SEmmanuel Grumbach */ 27096b28f978SEmmanuel Grumbach ret = iwl_mvm_rm_sta_id(mvm, vif, 2710650cadb7SGregory Greenman mvmvif->deflink.ap_sta_id); 2711e705c121SKalle Valo if (ret) 27126b28f978SEmmanuel Grumbach IWL_ERR(mvm, 27136b28f978SEmmanuel Grumbach "failed to remove AP station\n"); 2714e705c121SKalle Valo 2715650cadb7SGregory Greenman mvmvif->deflink.ap_sta_id = IWL_MVM_INVALID_STA; 27166b28f978SEmmanuel Grumbach } 27176b28f978SEmmanuel Grumbach 2718e705c121SKalle Valo /* remove quota for this interface */ 2719e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, false, NULL); 2720e705c121SKalle Valo if (ret) 2721e705c121SKalle Valo IWL_ERR(mvm, "failed to update quotas\n"); 2722e705c121SKalle Valo 2723e705c121SKalle Valo /* this will take the cleared BSSID from bss_conf */ 2724e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 2725e705c121SKalle Valo if (ret) 2726e705c121SKalle Valo IWL_ERR(mvm, 2727e705c121SKalle Valo "failed to update MAC %pM (clear after unassoc)\n", 2728e705c121SKalle Valo vif->addr); 2729e705c121SKalle Valo } 2730e705c121SKalle Valo 2731660eba5aSMiri Korenblit iwl_mvm_bss_info_changed_station_assoc(mvm, vif, changes); 2732a07a8f37SSara Sharon } 2733a07a8f37SSara Sharon 27341a3e7039SGregory Greenman iwl_mvm_bss_info_changed_station_common(mvm, vif, &vif->bss_conf, 27351a3e7039SGregory Greenman changes); 2736e705c121SKalle Valo } 2737e705c121SKalle Valo 2738f947b62cSMiri Korenblit bool iwl_mvm_start_ap_ibss_common(struct ieee80211_hw *hw, 2739f947b62cSMiri Korenblit struct ieee80211_vif *vif, 2740f947b62cSMiri Korenblit int *ret) 2741f947b62cSMiri Korenblit { 2742f947b62cSMiri Korenblit struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2743f947b62cSMiri Korenblit struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2744f947b62cSMiri Korenblit int i; 2745f947b62cSMiri Korenblit 2746f947b62cSMiri Korenblit lockdep_assert_held(&mvm->mutex); 2747f947b62cSMiri Korenblit 2748f947b62cSMiri Korenblit mvmvif->ap_assoc_sta_count = 0; 2749f947b62cSMiri Korenblit 2750f947b62cSMiri Korenblit /* must be set before quota calculations */ 2751f947b62cSMiri Korenblit mvmvif->ap_ibss_active = true; 2752f947b62cSMiri Korenblit 2753f947b62cSMiri Korenblit /* send all the early keys to the device now */ 2754f947b62cSMiri Korenblit for (i = 0; i < ARRAY_SIZE(mvmvif->ap_early_keys); i++) { 2755f947b62cSMiri Korenblit struct ieee80211_key_conf *key = mvmvif->ap_early_keys[i]; 2756f947b62cSMiri Korenblit 2757f947b62cSMiri Korenblit if (!key) 2758f947b62cSMiri Korenblit continue; 2759f947b62cSMiri Korenblit 2760f947b62cSMiri Korenblit mvmvif->ap_early_keys[i] = NULL; 2761f947b62cSMiri Korenblit 2762f947b62cSMiri Korenblit *ret = __iwl_mvm_mac_set_key(hw, SET_KEY, vif, NULL, key); 2763f947b62cSMiri Korenblit if (*ret) 2764f947b62cSMiri Korenblit return true; 2765f947b62cSMiri Korenblit } 2766f947b62cSMiri Korenblit 2767f947b62cSMiri Korenblit if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { 2768f947b62cSMiri Korenblit iwl_mvm_vif_set_low_latency(mvmvif, true, 2769f947b62cSMiri Korenblit LOW_LATENCY_VIF_TYPE); 2770f947b62cSMiri Korenblit iwl_mvm_send_low_latency_cmd(mvm, true, mvmvif->id); 2771f947b62cSMiri Korenblit } 2772f947b62cSMiri Korenblit 2773f947b62cSMiri Korenblit /* power updated needs to be done before quotas */ 2774f947b62cSMiri Korenblit iwl_mvm_power_update_mac(mvm); 2775f947b62cSMiri Korenblit 2776f947b62cSMiri Korenblit return false; 2777f947b62cSMiri Korenblit } 2778f947b62cSMiri Korenblit 2779e705c121SKalle Valo static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw, 2780ae7ba17bSShaul Triebitz struct ieee80211_vif *vif, 2781b327c84cSGregory Greenman struct ieee80211_bss_conf *link_conf) 2782e705c121SKalle Valo { 2783e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2784e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2785f947b62cSMiri Korenblit int ret; 2786e705c121SKalle Valo 2787e705c121SKalle Valo mutex_lock(&mvm->mutex); 2788e705c121SKalle Valo 2789e705c121SKalle Valo /* 2790cdaba917SEmmanuel Grumbach * Re-calculate the tsf id, as the leader-follower relations depend on 2791cdaba917SEmmanuel Grumbach * the beacon interval, which was not known when the AP interface 2792cdaba917SEmmanuel Grumbach * was added. 2793e705c121SKalle Valo */ 2794e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP) 2795e705c121SKalle Valo iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); 2796e705c121SKalle Valo 279736cf5377SGregory Greenman /* For older devices need to send beacon template before adding mac 279836cf5377SGregory Greenman * context. For the newer, the beacon is a resource that belongs to a 279936cf5377SGregory Greenman * MAC, so need to send beacon template after adding the mac. 280036cf5377SGregory Greenman */ 280136cf5377SGregory Greenman if (mvm->trans->trans_cfg->device_family > IWL_DEVICE_FAMILY_22000) { 2802e705c121SKalle Valo /* Add the mac context */ 2803e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_add(mvm, vif); 2804e705c121SKalle Valo if (ret) 2805e705c121SKalle Valo goto out_unlock; 2806e705c121SKalle Valo 280736cf5377SGregory Greenman /* Send the beacon template */ 280836cf5377SGregory Greenman ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, link_conf); 280936cf5377SGregory Greenman if (ret) 281036cf5377SGregory Greenman goto out_unlock; 281136cf5377SGregory Greenman } else { 281236cf5377SGregory Greenman /* Send the beacon template */ 281336cf5377SGregory Greenman ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, link_conf); 281436cf5377SGregory Greenman if (ret) 281536cf5377SGregory Greenman goto out_unlock; 281636cf5377SGregory Greenman 281736cf5377SGregory Greenman /* Add the mac context */ 281836cf5377SGregory Greenman ret = iwl_mvm_mac_ctxt_add(mvm, vif); 281936cf5377SGregory Greenman if (ret) 282036cf5377SGregory Greenman goto out_unlock; 282136cf5377SGregory Greenman } 282236cf5377SGregory Greenman 2823e705c121SKalle Valo /* Perform the binding */ 2824e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 2825e705c121SKalle Valo if (ret) 2826e705c121SKalle Valo goto out_remove; 2827e705c121SKalle Valo 282863dd5d02SSara Sharon /* 282963dd5d02SSara Sharon * This is not very nice, but the simplest: 283063dd5d02SSara Sharon * For older FWs adding the mcast sta before the bcast station may 283163dd5d02SSara Sharon * cause assert 0x2b00. 283263dd5d02SSara Sharon * This is fixed in later FW so make the order of removal depend on 283363dd5d02SSara Sharon * the TLV 283463dd5d02SSara Sharon */ 283563dd5d02SSara Sharon if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) { 2836ced19f26SSara Sharon ret = iwl_mvm_add_mcast_sta(mvm, vif); 2837ced19f26SSara Sharon if (ret) 2838ced19f26SSara Sharon goto out_unbind; 283963dd5d02SSara Sharon /* 284063dd5d02SSara Sharon * Send the bcast station. At this stage the TBTT and DTIM time 284163dd5d02SSara Sharon * events are added and applied to the scheduler 284263dd5d02SSara Sharon */ 2843e705c121SKalle Valo ret = iwl_mvm_send_add_bcast_sta(mvm, vif); 284463dd5d02SSara Sharon if (ret) { 284563dd5d02SSara Sharon iwl_mvm_rm_mcast_sta(mvm, vif); 284663dd5d02SSara Sharon goto out_unbind; 284763dd5d02SSara Sharon } 284863dd5d02SSara Sharon } else { 284963dd5d02SSara Sharon /* 285063dd5d02SSara Sharon * Send the bcast station. At this stage the TBTT and DTIM time 285163dd5d02SSara Sharon * events are added and applied to the scheduler 285263dd5d02SSara Sharon */ 285375fd4fecSJohannes Berg ret = iwl_mvm_send_add_bcast_sta(mvm, vif); 2854e705c121SKalle Valo if (ret) 285563dd5d02SSara Sharon goto out_unbind; 285675fd4fecSJohannes Berg ret = iwl_mvm_add_mcast_sta(mvm, vif); 285763dd5d02SSara Sharon if (ret) { 285863dd5d02SSara Sharon iwl_mvm_send_rm_bcast_sta(mvm, vif); 285963dd5d02SSara Sharon goto out_unbind; 286063dd5d02SSara Sharon } 286163dd5d02SSara Sharon } 286226d6c16bSSara Sharon 2863f947b62cSMiri Korenblit if (iwl_mvm_start_ap_ibss_common(hw, vif, &ret)) 2864f947b62cSMiri Korenblit goto out_failed; 2865e705c121SKalle Valo 2866e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, false, NULL); 2867e705c121SKalle Valo if (ret) 2868f947b62cSMiri Korenblit goto out_failed; 2869e705c121SKalle Valo 2870e705c121SKalle Valo /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ 2871e705c121SKalle Valo if (vif->p2p && mvm->p2p_device_vif) 2872e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); 2873e705c121SKalle Valo 2874e705c121SKalle Valo iwl_mvm_bt_coex_vif_change(mvm); 2875e705c121SKalle Valo 2876e705c121SKalle Valo /* we don't support TDLS during DCM */ 2877e705c121SKalle Valo if (iwl_mvm_phy_ctx_count(mvm) > 1) 2878e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 2879e705c121SKalle Valo 2880b73f9a4aSJohannes Berg iwl_mvm_ftm_restart_responder(mvm, vif); 2881b73f9a4aSJohannes Berg 2882e705c121SKalle Valo goto out_unlock; 2883e705c121SKalle Valo 2884f947b62cSMiri Korenblit out_failed: 2885e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 2886e705c121SKalle Valo mvmvif->ap_ibss_active = false; 2887e705c121SKalle Valo iwl_mvm_send_rm_bcast_sta(mvm, vif); 2888ced19f26SSara Sharon iwl_mvm_rm_mcast_sta(mvm, vif); 2889e705c121SKalle Valo out_unbind: 2890e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 2891e705c121SKalle Valo out_remove: 2892e705c121SKalle Valo iwl_mvm_mac_ctxt_remove(mvm, vif); 2893e705c121SKalle Valo out_unlock: 2894e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2895e705c121SKalle Valo return ret; 2896e705c121SKalle Valo } 2897e705c121SKalle Valo 2898ae7ba17bSShaul Triebitz static int iwl_mvm_start_ap(struct ieee80211_hw *hw, 2899ae7ba17bSShaul Triebitz struct ieee80211_vif *vif, 2900b327c84cSGregory Greenman struct ieee80211_bss_conf *link_conf) 2901ae7ba17bSShaul Triebitz { 2902b327c84cSGregory Greenman return iwl_mvm_start_ap_ibss(hw, vif, link_conf); 2903ae7ba17bSShaul Triebitz } 2904ae7ba17bSShaul Triebitz 2905ae7ba17bSShaul Triebitz static int iwl_mvm_start_ibss(struct ieee80211_hw *hw, 2906e705c121SKalle Valo struct ieee80211_vif *vif) 2907e705c121SKalle Valo { 2908b327c84cSGregory Greenman return iwl_mvm_start_ap_ibss(hw, vif, &vif->bss_conf); 2909ae7ba17bSShaul Triebitz } 2910ae7ba17bSShaul Triebitz 2911fd1a54c1SMiri Korenblit /* Common part for MLD and non-MLD ops */ 2912fd1a54c1SMiri Korenblit void iwl_mvm_stop_ap_ibss_common(struct iwl_mvm *mvm, 2913fd1a54c1SMiri Korenblit struct ieee80211_vif *vif) 2914ae7ba17bSShaul Triebitz { 2915e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2916e705c121SKalle Valo 2917fd1a54c1SMiri Korenblit lockdep_assert_held(&mvm->mutex); 2918e705c121SKalle Valo 2919fd1a54c1SMiri Korenblit iwl_mvm_prepare_mac_removal(mvm, vif); 2920e705c121SKalle Valo 2921e705c121SKalle Valo /* Handle AP stop while in CSA */ 2922e705c121SKalle Valo if (rcu_access_pointer(mvm->csa_vif) == vif) { 2923e705c121SKalle Valo iwl_mvm_remove_time_event(mvm, mvmvif, 2924e705c121SKalle Valo &mvmvif->time_event_data); 2925e705c121SKalle Valo RCU_INIT_POINTER(mvm->csa_vif, NULL); 2926e705c121SKalle Valo mvmvif->csa_countdown = false; 2927e705c121SKalle Valo } 2928e705c121SKalle Valo 2929e705c121SKalle Valo if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) { 2930e705c121SKalle Valo RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); 2931e705c121SKalle Valo mvm->csa_tx_block_bcn_timeout = 0; 2932e705c121SKalle Valo } 2933e705c121SKalle Valo 2934e705c121SKalle Valo mvmvif->ap_ibss_active = false; 2935e705c121SKalle Valo mvm->ap_last_beacon_gp2 = 0; 2936e705c121SKalle Valo 293747242744STova Mussai if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { 293847242744STova Mussai iwl_mvm_vif_set_low_latency(mvmvif, false, 293947242744STova Mussai LOW_LATENCY_VIF_TYPE); 294047242744STova Mussai iwl_mvm_send_low_latency_cmd(mvm, false, mvmvif->id); 294147242744STova Mussai } 294247242744STova Mussai 2943e705c121SKalle Valo iwl_mvm_bt_coex_vif_change(mvm); 2944fd1a54c1SMiri Korenblit } 2945fd1a54c1SMiri Korenblit 2946fd1a54c1SMiri Korenblit static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw, 2947fd1a54c1SMiri Korenblit struct ieee80211_vif *vif, 2948fd1a54c1SMiri Korenblit struct ieee80211_bss_conf *link_conf) 2949fd1a54c1SMiri Korenblit { 2950fd1a54c1SMiri Korenblit struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2951fd1a54c1SMiri Korenblit 2952fd1a54c1SMiri Korenblit mutex_lock(&mvm->mutex); 2953fd1a54c1SMiri Korenblit 2954fd1a54c1SMiri Korenblit iwl_mvm_stop_ap_ibss_common(mvm, vif); 2955e705c121SKalle Valo 2956e705c121SKalle Valo /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ 2957e705c121SKalle Valo if (vif->p2p && mvm->p2p_device_vif) 2958e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); 2959e705c121SKalle Valo 2960e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, NULL); 2961ced19f26SSara Sharon 2962be82ecd3SAvraham Stern iwl_mvm_ftm_responder_clear(mvm, vif); 2963be82ecd3SAvraham Stern 2964ced19f26SSara Sharon /* 2965ced19f26SSara Sharon * This is not very nice, but the simplest: 2966ced19f26SSara Sharon * For older FWs removing the mcast sta before the bcast station may 2967ced19f26SSara Sharon * cause assert 0x2b00. 2968ced19f26SSara Sharon * This is fixed in later FW (which will stop beaconing when removing 2969ced19f26SSara Sharon * bcast station). 2970ced19f26SSara Sharon * So make the order of removal depend on the TLV 2971ced19f26SSara Sharon */ 2972ced19f26SSara Sharon if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) 297326d6c16bSSara Sharon iwl_mvm_rm_mcast_sta(mvm, vif); 2974e705c121SKalle Valo iwl_mvm_send_rm_bcast_sta(mvm, vif); 2975ced19f26SSara Sharon if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) 2976ced19f26SSara Sharon iwl_mvm_rm_mcast_sta(mvm, vif); 2977e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 2978e705c121SKalle Valo 2979e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 2980e705c121SKalle Valo 2981e705c121SKalle Valo iwl_mvm_mac_ctxt_remove(mvm, vif); 2982e705c121SKalle Valo 2983e705c121SKalle Valo mutex_unlock(&mvm->mutex); 2984e705c121SKalle Valo } 2985e705c121SKalle Valo 2986ae7ba17bSShaul Triebitz static void iwl_mvm_stop_ap(struct ieee80211_hw *hw, 2987ae7ba17bSShaul Triebitz struct ieee80211_vif *vif, 2988b327c84cSGregory Greenman struct ieee80211_bss_conf *link_conf) 2989ae7ba17bSShaul Triebitz { 2990b327c84cSGregory Greenman iwl_mvm_stop_ap_ibss(hw, vif, link_conf); 2991ae7ba17bSShaul Triebitz } 2992ae7ba17bSShaul Triebitz 2993ae7ba17bSShaul Triebitz static void iwl_mvm_stop_ibss(struct ieee80211_hw *hw, 2994ae7ba17bSShaul Triebitz struct ieee80211_vif *vif) 2995ae7ba17bSShaul Triebitz { 2996b327c84cSGregory Greenman iwl_mvm_stop_ap_ibss(hw, vif, &vif->bss_conf); 2997ae7ba17bSShaul Triebitz } 2998ae7ba17bSShaul Triebitz 2999e705c121SKalle Valo static void 3000e705c121SKalle Valo iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm, 3001e705c121SKalle Valo struct ieee80211_vif *vif, 3002e705c121SKalle Valo struct ieee80211_bss_conf *bss_conf, 30037b7090b4SJohannes Berg u64 changes) 3004e705c121SKalle Valo { 3005e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3006e705c121SKalle Valo 3007e705c121SKalle Valo /* Changes will be applied when the AP/IBSS is started */ 3008e705c121SKalle Valo if (!mvmvif->ap_ibss_active) 3009e705c121SKalle Valo return; 3010e705c121SKalle Valo 3011e705c121SKalle Valo if (changes & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT | 3012e705c121SKalle Valo BSS_CHANGED_BANDWIDTH | BSS_CHANGED_QOS) && 3013e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL)) 3014e705c121SKalle Valo IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); 3015e705c121SKalle Valo 3016e705c121SKalle Valo /* Need to send a new beacon template to the FW */ 3017e705c121SKalle Valo if (changes & BSS_CHANGED_BEACON && 301836cf5377SGregory Greenman iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, &vif->bss_conf)) 3019e705c121SKalle Valo IWL_WARN(mvm, "Failed updating beacon data\n"); 3020e705c121SKalle Valo 3021b73f9a4aSJohannes Berg if (changes & BSS_CHANGED_FTM_RESPONDER) { 3022b73f9a4aSJohannes Berg int ret = iwl_mvm_ftm_start_responder(mvm, vif); 3023b73f9a4aSJohannes Berg 3024b73f9a4aSJohannes Berg if (ret) 3025b73f9a4aSJohannes Berg IWL_WARN(mvm, "Failed to enable FTM responder (%d)\n", 3026b73f9a4aSJohannes Berg ret); 3027b73f9a4aSJohannes Berg } 3028b73f9a4aSJohannes Berg 3029e705c121SKalle Valo } 3030e705c121SKalle Valo 3031e705c121SKalle Valo static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw, 3032e705c121SKalle Valo struct ieee80211_vif *vif, 3033e705c121SKalle Valo struct ieee80211_bss_conf *bss_conf, 30347b7090b4SJohannes Berg u64 changes) 3035e705c121SKalle Valo { 3036660eba5aSMiri Korenblit struct iwl_mvm_bss_info_changed_ops callbacks = { 3037660eba5aSMiri Korenblit .bss_info_changed_sta = iwl_mvm_bss_info_changed_station, 3038660eba5aSMiri Korenblit .bss_info_changed_ap_ibss = iwl_mvm_bss_info_changed_ap_ibss, 3039660eba5aSMiri Korenblit }; 3040660eba5aSMiri Korenblit 3041660eba5aSMiri Korenblit iwl_mvm_bss_info_changed_common(hw, vif, bss_conf, &callbacks, 3042660eba5aSMiri Korenblit changes); 3043660eba5aSMiri Korenblit } 3044660eba5aSMiri Korenblit 3045660eba5aSMiri Korenblit void 3046660eba5aSMiri Korenblit iwl_mvm_bss_info_changed_common(struct ieee80211_hw *hw, 3047660eba5aSMiri Korenblit struct ieee80211_vif *vif, 3048660eba5aSMiri Korenblit struct ieee80211_bss_conf *bss_conf, 3049660eba5aSMiri Korenblit struct iwl_mvm_bss_info_changed_ops *callbacks, 3050660eba5aSMiri Korenblit u64 changes) 3051660eba5aSMiri Korenblit { 3052e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3053e705c121SKalle Valo 3054e705c121SKalle Valo mutex_lock(&mvm->mutex); 3055e705c121SKalle Valo 3056f276e20bSJohannes Berg if (changes & BSS_CHANGED_IDLE && !vif->cfg.idle) 3057e705c121SKalle Valo iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, true); 3058e705c121SKalle Valo 3059e705c121SKalle Valo switch (vif->type) { 3060e705c121SKalle Valo case NL80211_IFTYPE_STATION: 3061660eba5aSMiri Korenblit callbacks->bss_info_changed_sta(mvm, vif, bss_conf, changes); 3062e705c121SKalle Valo break; 3063e705c121SKalle Valo case NL80211_IFTYPE_AP: 3064e705c121SKalle Valo case NL80211_IFTYPE_ADHOC: 3065660eba5aSMiri Korenblit callbacks->bss_info_changed_ap_ibss(mvm, vif, bss_conf, 3066660eba5aSMiri Korenblit changes); 3067e705c121SKalle Valo break; 306891b08c2dSAviya Erenfeld case NL80211_IFTYPE_MONITOR: 306991b08c2dSAviya Erenfeld if (changes & BSS_CHANGED_MU_GROUPS) 307091b08c2dSAviya Erenfeld iwl_mvm_update_mu_groups(mvm, vif); 307191b08c2dSAviya Erenfeld break; 3072e705c121SKalle Valo default: 3073e705c121SKalle Valo /* shouldn't happen */ 3074e705c121SKalle Valo WARN_ON_ONCE(1); 3075e705c121SKalle Valo } 3076e705c121SKalle Valo 30779aae43a4SJohannes Berg if (changes & BSS_CHANGED_TXPOWER) { 30789aae43a4SJohannes Berg IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d dBm\n", 30799aae43a4SJohannes Berg bss_conf->txpower); 30809aae43a4SJohannes Berg iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower); 30819aae43a4SJohannes Berg } 30829aae43a4SJohannes Berg 3083e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3084e705c121SKalle Valo } 3085e705c121SKalle Valo 3086cbce62a3SMiri Korenblit int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 3087e705c121SKalle Valo struct ieee80211_scan_request *hw_req) 3088e705c121SKalle Valo { 3089e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3090e705c121SKalle Valo int ret; 3091e705c121SKalle Valo 3092e705c121SKalle Valo if (hw_req->req.n_channels == 0 || 3093e705c121SKalle Valo hw_req->req.n_channels > mvm->fw->ucode_capa.n_scan_channels) 3094e705c121SKalle Valo return -EINVAL; 3095e705c121SKalle Valo 3096e705c121SKalle Valo mutex_lock(&mvm->mutex); 3097e705c121SKalle Valo ret = iwl_mvm_reg_scan_start(mvm, vif, &hw_req->req, &hw_req->ies); 3098e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3099e705c121SKalle Valo 3100e705c121SKalle Valo return ret; 3101e705c121SKalle Valo } 3102e705c121SKalle Valo 3103cbce62a3SMiri Korenblit void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw, 3104e705c121SKalle Valo struct ieee80211_vif *vif) 3105e705c121SKalle Valo { 3106e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3107e705c121SKalle Valo 3108e705c121SKalle Valo mutex_lock(&mvm->mutex); 3109e705c121SKalle Valo 3110e705c121SKalle Valo /* Due to a race condition, it's possible that mac80211 asks 3111e705c121SKalle Valo * us to stop a hw_scan when it's already stopped. This can 3112e705c121SKalle Valo * happen, for instance, if we stopped the scan ourselves, 3113e705c121SKalle Valo * called ieee80211_scan_completed() and the userspace called 3114e705c121SKalle Valo * cancel scan scan before ieee80211_scan_work() could run. 3115e705c121SKalle Valo * To handle that, simply return if the scan is not running. 3116e705c121SKalle Valo */ 3117e705c121SKalle Valo if (mvm->scan_status & IWL_MVM_SCAN_REGULAR) 3118e705c121SKalle Valo iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_REGULAR, true); 3119e705c121SKalle Valo 3120e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3121e705c121SKalle Valo } 3122e705c121SKalle Valo 3123cbce62a3SMiri Korenblit void 3124e705c121SKalle Valo iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw *hw, 3125e705c121SKalle Valo struct ieee80211_sta *sta, u16 tids, 3126e705c121SKalle Valo int num_frames, 3127e705c121SKalle Valo enum ieee80211_frame_release_type reason, 3128e705c121SKalle Valo bool more_data) 3129e705c121SKalle Valo { 3130e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3131e705c121SKalle Valo 3132e705c121SKalle Valo /* Called when we need to transmit (a) frame(s) from mac80211 */ 3133e705c121SKalle Valo 3134e705c121SKalle Valo iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, 3135e705c121SKalle Valo tids, more_data, false); 3136e705c121SKalle Valo } 3137e705c121SKalle Valo 3138cbce62a3SMiri Korenblit void 3139e705c121SKalle Valo iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw *hw, 3140e705c121SKalle Valo struct ieee80211_sta *sta, u16 tids, 3141e705c121SKalle Valo int num_frames, 3142e705c121SKalle Valo enum ieee80211_frame_release_type reason, 3143e705c121SKalle Valo bool more_data) 3144e705c121SKalle Valo { 3145e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3146e705c121SKalle Valo 31479a3fcf91SSara Sharon /* Called when we need to transmit (a) frame(s) from agg or dqa queue */ 3148e705c121SKalle Valo 3149e705c121SKalle Valo iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, 3150e705c121SKalle Valo tids, more_data, true); 3151e705c121SKalle Valo } 3152e705c121SKalle Valo 315365e25482SJohannes Berg static void __iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, 3154e705c121SKalle Valo enum sta_notify_cmd cmd, 3155e705c121SKalle Valo struct ieee80211_sta *sta) 3156e705c121SKalle Valo { 3157e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3158e705c121SKalle Valo struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 3159e705c121SKalle Valo unsigned long txqs = 0, tids = 0; 3160e705c121SKalle Valo int tid; 3161e705c121SKalle Valo 3162960f864bSJohannes Berg /* 3163960f864bSJohannes Berg * If we have TVQM then we get too high queue numbers - luckily 3164960f864bSJohannes Berg * we really shouldn't get here with that because such hardware 3165960f864bSJohannes Berg * should have firmware supporting buffer station offload. 3166960f864bSJohannes Berg */ 3167960f864bSJohannes Berg if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) 3168960f864bSJohannes Berg return; 3169960f864bSJohannes Berg 3170e705c121SKalle Valo spin_lock_bh(&mvmsta->lock); 3171311590a3SEmmanuel Grumbach for (tid = 0; tid < ARRAY_SIZE(mvmsta->tid_data); tid++) { 3172e705c121SKalle Valo struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 3173e705c121SKalle Valo 31746862fceeSSara Sharon if (tid_data->txq_id == IWL_MVM_INVALID_QUEUE) 31751c17627bSSara Sharon continue; 31761c17627bSSara Sharon 3177e705c121SKalle Valo __set_bit(tid_data->txq_id, &txqs); 3178e705c121SKalle Valo 3179dd32162dSLiad Kaufman if (iwl_mvm_tid_queued(mvm, tid_data) == 0) 3180e705c121SKalle Valo continue; 3181e705c121SKalle Valo 3182e705c121SKalle Valo __set_bit(tid, &tids); 3183e705c121SKalle Valo } 3184e705c121SKalle Valo 3185e705c121SKalle Valo switch (cmd) { 3186e705c121SKalle Valo case STA_NOTIFY_SLEEP: 3187e705c121SKalle Valo for_each_set_bit(tid, &tids, IWL_MAX_TID_COUNT) 3188e705c121SKalle Valo ieee80211_sta_set_buffered(sta, tid, true); 3189e705c121SKalle Valo 3190e705c121SKalle Valo if (txqs) 3191e705c121SKalle Valo iwl_trans_freeze_txq_timer(mvm->trans, txqs, true); 3192e705c121SKalle Valo /* 3193e705c121SKalle Valo * The fw updates the STA to be asleep. Tx packets on the Tx 3194e705c121SKalle Valo * queues to this station will not be transmitted. The fw will 3195e705c121SKalle Valo * send a Tx response with TX_STATUS_FAIL_DEST_PS. 3196e705c121SKalle Valo */ 3197e705c121SKalle Valo break; 3198e705c121SKalle Valo case STA_NOTIFY_AWAKE: 3199c8ee33e1SGregory Greenman if (WARN_ON(mvmsta->deflink.sta_id == IWL_MVM_INVALID_STA)) 3200e705c121SKalle Valo break; 3201e705c121SKalle Valo 3202e705c121SKalle Valo if (txqs) 3203e705c121SKalle Valo iwl_trans_freeze_txq_timer(mvm->trans, txqs, false); 3204e705c121SKalle Valo iwl_mvm_sta_modify_ps_wake(mvm, sta); 3205e705c121SKalle Valo break; 3206e705c121SKalle Valo default: 3207e705c121SKalle Valo break; 3208e705c121SKalle Valo } 3209e705c121SKalle Valo spin_unlock_bh(&mvmsta->lock); 3210e705c121SKalle Valo } 3211e705c121SKalle Valo 3212cbce62a3SMiri Korenblit void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 3213cbce62a3SMiri Korenblit enum sta_notify_cmd cmd, struct ieee80211_sta *sta) 321465e25482SJohannes Berg { 321565e25482SJohannes Berg __iwl_mvm_mac_sta_notify(hw, cmd, sta); 321665e25482SJohannes Berg } 321765e25482SJohannes Berg 321865e25482SJohannes Berg void iwl_mvm_sta_pm_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) 321965e25482SJohannes Berg { 322065e25482SJohannes Berg struct iwl_rx_packet *pkt = rxb_addr(rxb); 322165e25482SJohannes Berg struct iwl_mvm_pm_state_notification *notif = (void *)pkt->data; 322265e25482SJohannes Berg struct ieee80211_sta *sta; 322365e25482SJohannes Berg struct iwl_mvm_sta *mvmsta; 322465e25482SJohannes Berg bool sleeping = (notif->type != IWL_MVM_PM_EVENT_AWAKE); 322565e25482SJohannes Berg 3226be9ae34eSNathan Errera if (WARN_ON(notif->sta_id >= mvm->fw->ucode_capa.num_stations)) 322765e25482SJohannes Berg return; 322865e25482SJohannes Berg 322965e25482SJohannes Berg rcu_read_lock(); 3230a9560029SSara Sharon sta = rcu_dereference(mvm->fw_id_to_mac_id[notif->sta_id]); 323165e25482SJohannes Berg if (WARN_ON(IS_ERR_OR_NULL(sta))) { 323265e25482SJohannes Berg rcu_read_unlock(); 323365e25482SJohannes Berg return; 323465e25482SJohannes Berg } 323565e25482SJohannes Berg 323665e25482SJohannes Berg mvmsta = iwl_mvm_sta_from_mac80211(sta); 323765e25482SJohannes Berg 323865e25482SJohannes Berg if (!mvmsta->vif || 323965e25482SJohannes Berg mvmsta->vif->type != NL80211_IFTYPE_AP) { 324065e25482SJohannes Berg rcu_read_unlock(); 324165e25482SJohannes Berg return; 324265e25482SJohannes Berg } 324365e25482SJohannes Berg 324465e25482SJohannes Berg if (mvmsta->sleeping != sleeping) { 324565e25482SJohannes Berg mvmsta->sleeping = sleeping; 324665e25482SJohannes Berg __iwl_mvm_mac_sta_notify(mvm->hw, 324765e25482SJohannes Berg sleeping ? STA_NOTIFY_SLEEP : STA_NOTIFY_AWAKE, 324865e25482SJohannes Berg sta); 324965e25482SJohannes Berg ieee80211_sta_ps_transition(sta, sleeping); 325065e25482SJohannes Berg } 325165e25482SJohannes Berg 325265e25482SJohannes Berg if (sleeping) { 325365e25482SJohannes Berg switch (notif->type) { 325465e25482SJohannes Berg case IWL_MVM_PM_EVENT_AWAKE: 325565e25482SJohannes Berg case IWL_MVM_PM_EVENT_ASLEEP: 325665e25482SJohannes Berg break; 325765e25482SJohannes Berg case IWL_MVM_PM_EVENT_UAPSD: 325865e25482SJohannes Berg ieee80211_sta_uapsd_trigger(sta, IEEE80211_NUM_TIDS); 325965e25482SJohannes Berg break; 326065e25482SJohannes Berg case IWL_MVM_PM_EVENT_PS_POLL: 326165e25482SJohannes Berg ieee80211_sta_pspoll(sta); 326265e25482SJohannes Berg break; 326365e25482SJohannes Berg default: 326465e25482SJohannes Berg break; 326565e25482SJohannes Berg } 326665e25482SJohannes Berg } 326765e25482SJohannes Berg 326865e25482SJohannes Berg rcu_read_unlock(); 326965e25482SJohannes Berg } 327065e25482SJohannes Berg 3271cbce62a3SMiri Korenblit void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw, 3272e705c121SKalle Valo struct ieee80211_vif *vif, 3273e705c121SKalle Valo struct ieee80211_sta *sta) 3274e705c121SKalle Valo { 3275e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3276e705c121SKalle Valo struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 327779faae3aSGregory Greenman unsigned int link_id; 3278e705c121SKalle Valo 3279e705c121SKalle Valo /* 3280e705c121SKalle Valo * This is called before mac80211 does RCU synchronisation, 3281e705c121SKalle Valo * so here we already invalidate our internal RCU-protected 3282e705c121SKalle Valo * station pointer. The rest of the code will thus no longer 3283e705c121SKalle Valo * be able to find the station this way, and we don't rely 3284e705c121SKalle Valo * on further RCU synchronisation after the sta_state() 3285e705c121SKalle Valo * callback deleted the station. 328679faae3aSGregory Greenman * Since there's mvm->mutex here, no need to have RCU lock for 328779faae3aSGregory Greenman * mvm_sta->link access. 3288e705c121SKalle Valo */ 3289e705c121SKalle Valo mutex_lock(&mvm->mutex); 329079faae3aSGregory Greenman for (link_id = 0; link_id < ARRAY_SIZE(mvm_sta->link); link_id++) { 329179faae3aSGregory Greenman struct iwl_mvm_link_sta *link_sta; 329279faae3aSGregory Greenman u32 sta_id; 3293e705c121SKalle Valo 329479faae3aSGregory Greenman if (!mvm_sta->link[link_id]) 329579faae3aSGregory Greenman continue; 329679faae3aSGregory Greenman 329779faae3aSGregory Greenman link_sta = rcu_dereference_protected(mvm_sta->link[link_id], 329879faae3aSGregory Greenman lockdep_is_held(&mvm->mutex)); 329979faae3aSGregory Greenman sta_id = link_sta->sta_id; 330079faae3aSGregory Greenman if (sta == rcu_access_pointer(mvm->fw_id_to_mac_id[sta_id])) 330179faae3aSGregory Greenman rcu_assign_pointer(mvm->fw_id_to_mac_id[sta_id], 330279faae3aSGregory Greenman ERR_PTR(-ENOENT)); 330379faae3aSGregory Greenman } 3304e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3305e705c121SKalle Valo } 3306e705c121SKalle Valo 3307e705c121SKalle Valo static void iwl_mvm_check_uapsd(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 3308e705c121SKalle Valo const u8 *bssid) 3309e705c121SKalle Valo { 3310b0ffe455SJohannes Berg int i; 3311b0ffe455SJohannes Berg 3312b0ffe455SJohannes Berg if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 3313b0ffe455SJohannes Berg struct iwl_mvm_tcm_mac *mdata; 3314b0ffe455SJohannes Berg 3315b0ffe455SJohannes Berg mdata = &mvm->tcm.data[iwl_mvm_vif_from_mac80211(vif)->id]; 3316b0ffe455SJohannes Berg ewma_rate_init(&mdata->uapsd_nonagg_detect.rate); 3317b0ffe455SJohannes Berg mdata->opened_rx_ba_sessions = false; 3318b0ffe455SJohannes Berg } 3319b0ffe455SJohannes Berg 3320e705c121SKalle Valo if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT)) 3321e705c121SKalle Valo return; 3322e705c121SKalle Valo 3323c5241b0cSAvraham Stern if (vif->p2p && !iwl_mvm_is_p2p_scm_uapsd_supported(mvm)) { 3324cee5a882SAvri Altman vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3325cee5a882SAvri Altman return; 3326cee5a882SAvri Altman } 3327cee5a882SAvri Altman 332811dee0b4SEmmanuel Grumbach if (!vif->p2p && 332911dee0b4SEmmanuel Grumbach (iwlwifi_mod_params.uapsd_disable & IWL_DISABLE_UAPSD_BSS)) { 3330e705c121SKalle Valo vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3331e705c121SKalle Valo return; 3332e705c121SKalle Valo } 3333e705c121SKalle Valo 3334b0ffe455SJohannes Berg for (i = 0; i < IWL_MVM_UAPSD_NOAGG_LIST_LEN; i++) { 3335b0ffe455SJohannes Berg if (ether_addr_equal(mvm->uapsd_noagg_bssids[i].addr, bssid)) { 3336b0ffe455SJohannes Berg vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3337b0ffe455SJohannes Berg return; 3338b0ffe455SJohannes Berg } 3339b0ffe455SJohannes Berg } 3340b0ffe455SJohannes Berg 3341e705c121SKalle Valo vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD; 3342e705c121SKalle Valo } 3343e705c121SKalle Valo 33441e8f1329SGolan Ben-Ami static void 33451e8f1329SGolan Ben-Ami iwl_mvm_tdls_check_trigger(struct iwl_mvm *mvm, 33461e8f1329SGolan Ben-Ami struct ieee80211_vif *vif, u8 *peer_addr, 33471e8f1329SGolan Ben-Ami enum nl80211_tdls_operation action) 33481e8f1329SGolan Ben-Ami { 33491e8f1329SGolan Ben-Ami struct iwl_fw_dbg_trigger_tlv *trig; 33501e8f1329SGolan Ben-Ami struct iwl_fw_dbg_trigger_tdls *tdls_trig; 33511e8f1329SGolan Ben-Ami 33526c042d75SSara Sharon trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 33536c042d75SSara Sharon FW_DBG_TRIGGER_TDLS); 33546c042d75SSara Sharon if (!trig) 33551e8f1329SGolan Ben-Ami return; 33561e8f1329SGolan Ben-Ami 33571e8f1329SGolan Ben-Ami tdls_trig = (void *)trig->data; 33581e8f1329SGolan Ben-Ami 33591e8f1329SGolan Ben-Ami if (!(tdls_trig->action_bitmap & BIT(action))) 33601e8f1329SGolan Ben-Ami return; 33611e8f1329SGolan Ben-Ami 33621e8f1329SGolan Ben-Ami if (tdls_trig->peer_mode && 33631e8f1329SGolan Ben-Ami memcmp(tdls_trig->peer, peer_addr, ETH_ALEN) != 0) 33641e8f1329SGolan Ben-Ami return; 33651e8f1329SGolan Ben-Ami 33667174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 33671e8f1329SGolan Ben-Ami "TDLS event occurred, peer %pM, action %d", 33681e8f1329SGolan Ben-Ami peer_addr, action); 33691e8f1329SGolan Ben-Ami } 33701e8f1329SGolan Ben-Ami 33714f58121dSIlan Peer struct iwl_mvm_he_obss_narrow_bw_ru_data { 33724f58121dSIlan Peer bool tolerated; 33734f58121dSIlan Peer }; 33744f58121dSIlan Peer 33754f58121dSIlan Peer static void iwl_mvm_check_he_obss_narrow_bw_ru_iter(struct wiphy *wiphy, 33764f58121dSIlan Peer struct cfg80211_bss *bss, 33774f58121dSIlan Peer void *_data) 33784f58121dSIlan Peer { 33794f58121dSIlan Peer struct iwl_mvm_he_obss_narrow_bw_ru_data *data = _data; 33806c608cd6SJohannes Berg const struct cfg80211_bss_ies *ies; 33814f58121dSIlan Peer const struct element *elem; 33824f58121dSIlan Peer 33836c608cd6SJohannes Berg rcu_read_lock(); 33846c608cd6SJohannes Berg ies = rcu_dereference(bss->ies); 33856c608cd6SJohannes Berg elem = cfg80211_find_elem(WLAN_EID_EXT_CAPABILITY, ies->data, 33866c608cd6SJohannes Berg ies->len); 33874f58121dSIlan Peer 33884f58121dSIlan Peer if (!elem || elem->datalen < 10 || 33894f58121dSIlan Peer !(elem->data[10] & 33904f58121dSIlan Peer WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT)) { 33914f58121dSIlan Peer data->tolerated = false; 33924f58121dSIlan Peer } 33936c608cd6SJohannes Berg rcu_read_unlock(); 33944f58121dSIlan Peer } 33954f58121dSIlan Peer 33966e1b5956SJohannes Berg static void 33976e1b5956SJohannes Berg iwl_mvm_check_he_obss_narrow_bw_ru(struct ieee80211_hw *hw, 33986e1b5956SJohannes Berg struct ieee80211_vif *vif, 33996e1b5956SJohannes Berg unsigned int link_id, 34006e1b5956SJohannes Berg struct ieee80211_bss_conf *link_conf) 34014f58121dSIlan Peer { 34024f58121dSIlan Peer struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 34034f58121dSIlan Peer struct iwl_mvm_he_obss_narrow_bw_ru_data iter_data = { 34044f58121dSIlan Peer .tolerated = true, 34054f58121dSIlan Peer }; 34064f58121dSIlan Peer 34076e1b5956SJohannes Berg if (WARN_ON_ONCE(!link_conf->chandef.chan || 34086e1b5956SJohannes Berg !mvmvif->link[link_id])) 34096e1b5956SJohannes Berg return; 34106e1b5956SJohannes Berg 34116e1b5956SJohannes Berg if (!(link_conf->chandef.chan->flags & IEEE80211_CHAN_RADAR)) { 34126e1b5956SJohannes Berg mvmvif->link[link_id]->he_ru_2mhz_block = false; 34134f58121dSIlan Peer return; 34144f58121dSIlan Peer } 34154f58121dSIlan Peer 34166e1b5956SJohannes Berg cfg80211_bss_iter(hw->wiphy, &link_conf->chandef, 34174f58121dSIlan Peer iwl_mvm_check_he_obss_narrow_bw_ru_iter, 34184f58121dSIlan Peer &iter_data); 34194f58121dSIlan Peer 34204f58121dSIlan Peer /* 34214f58121dSIlan Peer * If there is at least one AP on radar channel that cannot 34224f58121dSIlan Peer * tolerate 26-tone RU UL OFDMA transmissions using HE TB PPDU. 34234f58121dSIlan Peer */ 34246e1b5956SJohannes Berg mvmvif->link[link_id]->he_ru_2mhz_block = !iter_data.tolerated; 34254f58121dSIlan Peer } 34264f58121dSIlan Peer 3427f7d6ef33SJohannes Berg static void iwl_mvm_reset_cca_40mhz_workaround(struct iwl_mvm *mvm, 3428f7d6ef33SJohannes Berg struct ieee80211_vif *vif) 3429f7d6ef33SJohannes Berg { 3430f7d6ef33SJohannes Berg struct ieee80211_supported_band *sband; 3431f7d6ef33SJohannes Berg const struct ieee80211_sta_he_cap *he_cap; 3432f7d6ef33SJohannes Berg 3433f7d6ef33SJohannes Berg if (vif->type != NL80211_IFTYPE_STATION) 3434f7d6ef33SJohannes Berg return; 3435f7d6ef33SJohannes Berg 3436f7d6ef33SJohannes Berg if (!mvm->cca_40mhz_workaround) 3437f7d6ef33SJohannes Berg return; 3438f7d6ef33SJohannes Berg 3439f7d6ef33SJohannes Berg /* decrement and check that we reached zero */ 3440f7d6ef33SJohannes Berg mvm->cca_40mhz_workaround--; 3441f7d6ef33SJohannes Berg if (mvm->cca_40mhz_workaround) 3442f7d6ef33SJohannes Berg return; 3443f7d6ef33SJohannes Berg 3444f7d6ef33SJohannes Berg sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]; 3445f7d6ef33SJohannes Berg 3446f7d6ef33SJohannes Berg sband->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; 3447f7d6ef33SJohannes Berg 3448f7d6ef33SJohannes Berg he_cap = ieee80211_get_he_iftype_cap(sband, 3449f7d6ef33SJohannes Berg ieee80211_vif_type_p2p(vif)); 3450f7d6ef33SJohannes Berg 3451f7d6ef33SJohannes Berg if (he_cap) { 3452f7d6ef33SJohannes Berg /* we know that ours is writable */ 34530301bcd5SBjoern A. Zeeb struct ieee80211_sta_he_cap *he = (void *)(uintptr_t)he_cap; 3454f7d6ef33SJohannes Berg 3455f7d6ef33SJohannes Berg he->he_cap_elem.phy_cap_info[0] |= 3456f7d6ef33SJohannes Berg IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G; 3457f7d6ef33SJohannes Berg } 3458f7d6ef33SJohannes Berg } 3459f7d6ef33SJohannes Berg 34606d19a5ebSEmmanuel Grumbach static void iwl_mvm_mei_host_associated(struct iwl_mvm *mvm, 34616d19a5ebSEmmanuel Grumbach struct ieee80211_vif *vif, 34626d19a5ebSEmmanuel Grumbach struct iwl_mvm_sta *mvm_sta) 34636d19a5ebSEmmanuel Grumbach { 34646d19a5ebSEmmanuel Grumbach #if IS_ENABLED(CONFIG_IWLMEI) 34656d19a5ebSEmmanuel Grumbach struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 34666d19a5ebSEmmanuel Grumbach struct iwl_mei_conn_info conn_info = { 3467f276e20bSJohannes Berg .ssid_len = vif->cfg.ssid_len, 34686d19a5ebSEmmanuel Grumbach }; 34696d19a5ebSEmmanuel Grumbach 34706d19a5ebSEmmanuel Grumbach if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 34716d19a5ebSEmmanuel Grumbach return; 34726d19a5ebSEmmanuel Grumbach 34736d19a5ebSEmmanuel Grumbach if (!mvm->mei_registered) 34746d19a5ebSEmmanuel Grumbach return; 34756d19a5ebSEmmanuel Grumbach 34766c07b73eSJohannes Berg /* FIXME: MEI needs to be updated for MLO */ 34776c07b73eSJohannes Berg if (!vif->bss_conf.chandef.chan) 34786c07b73eSJohannes Berg return; 34796c07b73eSJohannes Berg 34806c07b73eSJohannes Berg conn_info.channel = vif->bss_conf.chandef.chan->hw_value; 34816c07b73eSJohannes Berg 34826d19a5ebSEmmanuel Grumbach switch (mvm_sta->pairwise_cipher) { 3483e5d3a64eSAvraham Stern case WLAN_CIPHER_SUITE_TKIP: 3484e5d3a64eSAvraham Stern conn_info.pairwise_cipher = IWL_MEI_CIPHER_TKIP; 3485e5d3a64eSAvraham Stern break; 34866d19a5ebSEmmanuel Grumbach case WLAN_CIPHER_SUITE_CCMP: 34876d19a5ebSEmmanuel Grumbach conn_info.pairwise_cipher = IWL_MEI_CIPHER_CCMP; 34886d19a5ebSEmmanuel Grumbach break; 34896d19a5ebSEmmanuel Grumbach case WLAN_CIPHER_SUITE_GCMP: 34906d19a5ebSEmmanuel Grumbach conn_info.pairwise_cipher = IWL_MEI_CIPHER_GCMP; 34916d19a5ebSEmmanuel Grumbach break; 34926d19a5ebSEmmanuel Grumbach case WLAN_CIPHER_SUITE_GCMP_256: 34936d19a5ebSEmmanuel Grumbach conn_info.pairwise_cipher = IWL_MEI_CIPHER_GCMP_256; 34946d19a5ebSEmmanuel Grumbach break; 34956d19a5ebSEmmanuel Grumbach case 0: 34966d19a5ebSEmmanuel Grumbach /* open profile */ 34976d19a5ebSEmmanuel Grumbach break; 34986d19a5ebSEmmanuel Grumbach default: 34996d19a5ebSEmmanuel Grumbach /* cipher not supported, don't send anything to iwlmei */ 35006d19a5ebSEmmanuel Grumbach return; 35016d19a5ebSEmmanuel Grumbach } 35026d19a5ebSEmmanuel Grumbach 35036d19a5ebSEmmanuel Grumbach switch (mvmvif->rekey_data.akm) { 35046d19a5ebSEmmanuel Grumbach case WLAN_AKM_SUITE_SAE & 0xff: 35056d19a5ebSEmmanuel Grumbach conn_info.auth_mode = IWL_MEI_AKM_AUTH_SAE; 35066d19a5ebSEmmanuel Grumbach break; 35076d19a5ebSEmmanuel Grumbach case WLAN_AKM_SUITE_PSK & 0xff: 35086d19a5ebSEmmanuel Grumbach conn_info.auth_mode = IWL_MEI_AKM_AUTH_RSNA_PSK; 35096d19a5ebSEmmanuel Grumbach break; 35106d19a5ebSEmmanuel Grumbach case WLAN_AKM_SUITE_8021X & 0xff: 35116d19a5ebSEmmanuel Grumbach conn_info.auth_mode = IWL_MEI_AKM_AUTH_RSNA; 35126d19a5ebSEmmanuel Grumbach break; 35136d19a5ebSEmmanuel Grumbach case 0: 35146d19a5ebSEmmanuel Grumbach /* open profile */ 35156d19a5ebSEmmanuel Grumbach conn_info.auth_mode = IWL_MEI_AKM_AUTH_OPEN; 35166d19a5ebSEmmanuel Grumbach break; 35176d19a5ebSEmmanuel Grumbach default: 35186d19a5ebSEmmanuel Grumbach /* auth method / AKM not supported */ 35196d19a5ebSEmmanuel Grumbach /* TODO: All the FT vesions of these? */ 35206d19a5ebSEmmanuel Grumbach return; 35216d19a5ebSEmmanuel Grumbach } 35226d19a5ebSEmmanuel Grumbach 3523f276e20bSJohannes Berg memcpy(conn_info.ssid, vif->cfg.ssid, vif->cfg.ssid_len); 35246d19a5ebSEmmanuel Grumbach memcpy(conn_info.bssid, vif->bss_conf.bssid, ETH_ALEN); 35256d19a5ebSEmmanuel Grumbach 35266d19a5ebSEmmanuel Grumbach /* TODO: add support for collocated AP data */ 35276d19a5ebSEmmanuel Grumbach iwl_mei_host_associated(&conn_info, NULL); 35286d19a5ebSEmmanuel Grumbach #endif 35296d19a5ebSEmmanuel Grumbach } 35306d19a5ebSEmmanuel Grumbach 353187f7e243SMiri Korenblit static int iwl_mvm_mac_ctxt_changed_wrapper(struct iwl_mvm *mvm, 353287f7e243SMiri Korenblit struct ieee80211_vif *vif, 353387f7e243SMiri Korenblit bool force_assoc_off) 353487f7e243SMiri Korenblit { 353587f7e243SMiri Korenblit return iwl_mvm_mac_ctxt_changed(mvm, vif, force_assoc_off, NULL); 353687f7e243SMiri Korenblit } 353787f7e243SMiri Korenblit 3538e705c121SKalle Valo static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw, 3539e705c121SKalle Valo struct ieee80211_vif *vif, 3540e705c121SKalle Valo struct ieee80211_sta *sta, 3541e705c121SKalle Valo enum ieee80211_sta_state old_state, 3542e705c121SKalle Valo enum ieee80211_sta_state new_state) 3543e705c121SKalle Valo { 354487f7e243SMiri Korenblit struct iwl_mvm_sta_state_ops callbacks = { 354587f7e243SMiri Korenblit .add_sta = iwl_mvm_add_sta, 354687f7e243SMiri Korenblit .update_sta = iwl_mvm_update_sta, 354787f7e243SMiri Korenblit .rm_sta = iwl_mvm_rm_sta, 354887f7e243SMiri Korenblit .mac_ctxt_changed = iwl_mvm_mac_ctxt_changed_wrapper, 354987f7e243SMiri Korenblit }; 355087f7e243SMiri Korenblit 355187f7e243SMiri Korenblit return iwl_mvm_mac_sta_state_common(hw, vif, sta, old_state, new_state, 355287f7e243SMiri Korenblit &callbacks); 355387f7e243SMiri Korenblit } 355487f7e243SMiri Korenblit 355557974a55SGregory Greenman /* FIXME: temporary making two assumptions in all sta handling functions: 355657974a55SGregory Greenman * (1) when setting sta state, the link exists and protected 355757974a55SGregory Greenman * (2) if a link is valid in sta then it's valid in vif (can 355857974a55SGregory Greenman * use same index in the link array) 355957974a55SGregory Greenman */ 3560*f53be9c4SGregory Greenman static void iwl_mvm_rs_rate_init_all_links(struct iwl_mvm *mvm, 3561*f53be9c4SGregory Greenman struct ieee80211_vif *vif, 3562*f53be9c4SGregory Greenman struct ieee80211_sta *sta, 3563*f53be9c4SGregory Greenman bool update) 3564*f53be9c4SGregory Greenman { 3565*f53be9c4SGregory Greenman struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3566*f53be9c4SGregory Greenman unsigned int link_id; 356757974a55SGregory Greenman 3568*f53be9c4SGregory Greenman for_each_mvm_vif_valid_link(mvmvif, link_id) { 3569*f53be9c4SGregory Greenman struct ieee80211_bss_conf *conf = 3570*f53be9c4SGregory Greenman rcu_dereference_protected(vif->link_conf[link_id], 1); 3571*f53be9c4SGregory Greenman struct ieee80211_link_sta *link_sta = 3572*f53be9c4SGregory Greenman rcu_dereference_protected(sta->link[link_id], 1); 3573*f53be9c4SGregory Greenman 3574*f53be9c4SGregory Greenman if (!conf || !link_sta || !mvmvif->link[link_id]->phy_ctxt) 3575*f53be9c4SGregory Greenman continue; 3576*f53be9c4SGregory Greenman 3577*f53be9c4SGregory Greenman iwl_mvm_rs_rate_init(mvm, sta, conf, link_sta, 3578*f53be9c4SGregory Greenman mvmvif->link[link_id]->phy_ctxt->channel->band, 3579*f53be9c4SGregory Greenman update); 3580*f53be9c4SGregory Greenman } 3581*f53be9c4SGregory Greenman } 358257974a55SGregory Greenman 358357974a55SGregory Greenman #define IWL_MVM_MIN_BEACON_INTERVAL_TU 16 358457974a55SGregory Greenman 358557974a55SGregory Greenman static bool iwl_mvm_vif_conf_from_sta(struct iwl_mvm *mvm, 358657974a55SGregory Greenman struct ieee80211_vif *vif, 358757974a55SGregory Greenman struct ieee80211_sta *sta) 358857974a55SGregory Greenman { 358957974a55SGregory Greenman unsigned int i; 359057974a55SGregory Greenman 359157974a55SGregory Greenman /* Beacon interval check - firmware will crash if the beacon 359257974a55SGregory Greenman * interval is less than 16. We can't avoid connecting at all, 359357974a55SGregory Greenman * so refuse the station state change, this will cause mac80211 359457974a55SGregory Greenman * to abandon attempts to connect to this AP, and eventually 359557974a55SGregory Greenman * wpa_s will blocklist the AP... 359657974a55SGregory Greenman */ 359757974a55SGregory Greenman 359857974a55SGregory Greenman for_each_set_bit(i, (unsigned long *)&sta->valid_links, 359957974a55SGregory Greenman IEEE80211_MLD_MAX_NUM_LINKS) { 360057974a55SGregory Greenman struct ieee80211_link_sta *link_sta = 360157974a55SGregory Greenman rcu_dereference_protected(sta->link[i], 1); 360257974a55SGregory Greenman struct ieee80211_bss_conf *link_conf = 360357974a55SGregory Greenman rcu_dereference_protected(vif->link_conf[i], 1); 360457974a55SGregory Greenman 360557974a55SGregory Greenman if (!link_conf || !link_sta) 360657974a55SGregory Greenman continue; 360757974a55SGregory Greenman 360857974a55SGregory Greenman if (link_conf->beacon_int < IWL_MVM_MIN_BEACON_INTERVAL_TU) { 360957974a55SGregory Greenman IWL_ERR(mvm, 361057974a55SGregory Greenman "Beacon interval %d for AP %pM is too small\n", 361157974a55SGregory Greenman link_conf->beacon_int, link_sta->addr); 361257974a55SGregory Greenman return false; 361357974a55SGregory Greenman } 361457974a55SGregory Greenman 361557974a55SGregory Greenman link_conf->he_support = link_sta->he_cap.has_he; 361657974a55SGregory Greenman } 361757974a55SGregory Greenman 361857974a55SGregory Greenman return true; 361957974a55SGregory Greenman } 362057974a55SGregory Greenman 362157974a55SGregory Greenman static void iwl_mvm_vif_set_he_support(struct ieee80211_hw *hw, 362257974a55SGregory Greenman struct ieee80211_vif *vif, 362357974a55SGregory Greenman struct ieee80211_sta *sta, 362457974a55SGregory Greenman bool is_sta) 362557974a55SGregory Greenman { 362657974a55SGregory Greenman struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 362757974a55SGregory Greenman unsigned int i; 362857974a55SGregory Greenman 362957974a55SGregory Greenman for_each_set_bit(i, (unsigned long *)&sta->valid_links, 363057974a55SGregory Greenman IEEE80211_MLD_MAX_NUM_LINKS) { 363157974a55SGregory Greenman struct ieee80211_link_sta *link_sta = 363257974a55SGregory Greenman rcu_dereference_protected(sta->link[i], 1); 363357974a55SGregory Greenman struct ieee80211_bss_conf *link_conf = 363457974a55SGregory Greenman rcu_dereference_protected(vif->link_conf[i], 1); 363557974a55SGregory Greenman 363657974a55SGregory Greenman if (!link_conf || !link_sta) 363757974a55SGregory Greenman continue; 363857974a55SGregory Greenman 363957974a55SGregory Greenman link_conf->he_support = link_sta->he_cap.has_he; 364057974a55SGregory Greenman 364157974a55SGregory Greenman if (is_sta) { 364257974a55SGregory Greenman mvmvif->link[i]->he_ru_2mhz_block = false; 364357974a55SGregory Greenman if (link_sta->he_cap.has_he) 36446e1b5956SJohannes Berg iwl_mvm_check_he_obss_narrow_bw_ru(hw, vif, i, 36456e1b5956SJohannes Berg link_conf); 364657974a55SGregory Greenman } 364757974a55SGregory Greenman } 364857974a55SGregory Greenman } 364957974a55SGregory Greenman 365057974a55SGregory Greenman static int 365157974a55SGregory Greenman iwl_mvm_sta_state_notexist_to_none(struct iwl_mvm *mvm, 365257974a55SGregory Greenman struct ieee80211_vif *vif, 365357974a55SGregory Greenman struct ieee80211_sta *sta, 365457974a55SGregory Greenman struct iwl_mvm_sta_state_ops *callbacks) 365557974a55SGregory Greenman { 365657974a55SGregory Greenman unsigned int i; 365757974a55SGregory Greenman int ret; 365857974a55SGregory Greenman 365957974a55SGregory Greenman lockdep_assert_held(&mvm->mutex); 366057974a55SGregory Greenman 366157974a55SGregory Greenman if (vif->type == NL80211_IFTYPE_STATION && 366257974a55SGregory Greenman !iwl_mvm_vif_conf_from_sta(mvm, vif, sta)) 366357974a55SGregory Greenman return -EINVAL; 366457974a55SGregory Greenman 366557974a55SGregory Greenman if (sta->tdls && 366657974a55SGregory Greenman (vif->p2p || 366757974a55SGregory Greenman iwl_mvm_tdls_sta_count(mvm, NULL) == IWL_MVM_TDLS_STA_COUNT || 366857974a55SGregory Greenman iwl_mvm_phy_ctx_count(mvm) > 1)) { 366957974a55SGregory Greenman IWL_DEBUG_MAC80211(mvm, "refusing TDLS sta\n"); 367057974a55SGregory Greenman return -EBUSY; 367157974a55SGregory Greenman } 367257974a55SGregory Greenman 367357974a55SGregory Greenman ret = callbacks->add_sta(mvm, vif, sta); 367457974a55SGregory Greenman if (sta->tdls && ret == 0) { 367557974a55SGregory Greenman iwl_mvm_recalc_tdls_state(mvm, vif, true); 367657974a55SGregory Greenman iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 367757974a55SGregory Greenman NL80211_TDLS_SETUP); 367857974a55SGregory Greenman } 367957974a55SGregory Greenman 368057974a55SGregory Greenman for (i = 0; i < ARRAY_SIZE(sta->link); i++) { 368157974a55SGregory Greenman struct ieee80211_link_sta *link_sta; 368257974a55SGregory Greenman 368357974a55SGregory Greenman link_sta = link_sta_dereference_protected(sta, i); 368457974a55SGregory Greenman if (!link_sta) 368557974a55SGregory Greenman continue; 368657974a55SGregory Greenman 368757974a55SGregory Greenman link_sta->agg.max_rc_amsdu_len = 1; 368857974a55SGregory Greenman } 368957974a55SGregory Greenman ieee80211_sta_recalc_aggregates(sta); 369057974a55SGregory Greenman 369157974a55SGregory Greenman return 0; 369257974a55SGregory Greenman } 369357974a55SGregory Greenman 369457974a55SGregory Greenman static int 369557974a55SGregory Greenman iwl_mvm_sta_state_auth_to_assoc(struct ieee80211_hw *hw, 369657974a55SGregory Greenman struct iwl_mvm *mvm, 369757974a55SGregory Greenman struct ieee80211_vif *vif, 369857974a55SGregory Greenman struct ieee80211_sta *sta, 369957974a55SGregory Greenman struct iwl_mvm_sta_state_ops *callbacks) 370057974a55SGregory Greenman { 370157974a55SGregory Greenman struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 370257974a55SGregory Greenman struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 370357974a55SGregory Greenman unsigned int i; 370457974a55SGregory Greenman 370557974a55SGregory Greenman lockdep_assert_held(&mvm->mutex); 370657974a55SGregory Greenman 370757974a55SGregory Greenman if (vif->type == NL80211_IFTYPE_AP) { 370857974a55SGregory Greenman iwl_mvm_vif_set_he_support(hw, vif, sta, false); 370957974a55SGregory Greenman mvmvif->ap_assoc_sta_count++; 371057974a55SGregory Greenman callbacks->mac_ctxt_changed(mvm, vif, false); 371157974a55SGregory Greenman 371257974a55SGregory Greenman /* since the below is not for MLD API, it's ok to use 371357974a55SGregory Greenman * the default bss_conf 371457974a55SGregory Greenman */ 371557974a55SGregory Greenman if (!mvm->mld_api_is_used && 371657974a55SGregory Greenman ((vif->bss_conf.he_support && 371757974a55SGregory Greenman !iwlwifi_mod_params.disable_11ax) || 371857974a55SGregory Greenman (vif->bss_conf.eht_support && 371957974a55SGregory Greenman !iwlwifi_mod_params.disable_11be))) 372057974a55SGregory Greenman iwl_mvm_cfg_he_sta(mvm, vif, mvm_sta->deflink.sta_id); 372157974a55SGregory Greenman } else if (vif->type == NL80211_IFTYPE_STATION) { 372257974a55SGregory Greenman iwl_mvm_vif_set_he_support(hw, vif, sta, true); 372357974a55SGregory Greenman 372457974a55SGregory Greenman callbacks->mac_ctxt_changed(mvm, vif, false); 372557974a55SGregory Greenman 372657974a55SGregory Greenman if (!mvm->mld_api_is_used) 372757974a55SGregory Greenman goto out; 372857974a55SGregory Greenman 372957974a55SGregory Greenman for_each_set_bit(i, (unsigned long *)&sta->valid_links, 373057974a55SGregory Greenman IEEE80211_MLD_MAX_NUM_LINKS) { 373157974a55SGregory Greenman struct ieee80211_bss_conf *link_conf = 373257974a55SGregory Greenman rcu_dereference_protected(vif->link_conf[i], 1); 373357974a55SGregory Greenman 373457974a55SGregory Greenman if (WARN_ON(!link_conf)) 373557974a55SGregory Greenman return -EINVAL; 373657974a55SGregory Greenman 373757974a55SGregory Greenman iwl_mvm_link_changed(mvm, vif, link_conf, 373857974a55SGregory Greenman LINK_CONTEXT_MODIFY_ALL & 373957974a55SGregory Greenman ~LINK_CONTEXT_MODIFY_ACTIVE, 374057974a55SGregory Greenman true); 374157974a55SGregory Greenman } 374257974a55SGregory Greenman } 374357974a55SGregory Greenman 374457974a55SGregory Greenman out: 3745*f53be9c4SGregory Greenman iwl_mvm_rs_rate_init_all_links(mvm, vif, sta, false); 374657974a55SGregory Greenman 374757974a55SGregory Greenman return callbacks->update_sta(mvm, vif, sta); 374857974a55SGregory Greenman } 374957974a55SGregory Greenman 375057974a55SGregory Greenman static int 375157974a55SGregory Greenman iwl_mvm_sta_state_assoc_to_authorized(struct iwl_mvm *mvm, 375257974a55SGregory Greenman struct ieee80211_vif *vif, 375357974a55SGregory Greenman struct ieee80211_sta *sta, 375457974a55SGregory Greenman struct iwl_mvm_sta_state_ops *callbacks) 375557974a55SGregory Greenman { 375657974a55SGregory Greenman struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 375757974a55SGregory Greenman struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 375857974a55SGregory Greenman 375957974a55SGregory Greenman lockdep_assert_held(&mvm->mutex); 376057974a55SGregory Greenman 376157974a55SGregory Greenman /* we don't support TDLS during DCM */ 376257974a55SGregory Greenman if (iwl_mvm_phy_ctx_count(mvm) > 1) 376357974a55SGregory Greenman iwl_mvm_teardown_tdls_peers(mvm); 376457974a55SGregory Greenman 376557974a55SGregory Greenman if (sta->tdls) { 376657974a55SGregory Greenman iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 376757974a55SGregory Greenman NL80211_TDLS_ENABLE_LINK); 376857974a55SGregory Greenman } else { 376957974a55SGregory Greenman /* enable beacon filtering */ 377057974a55SGregory Greenman WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0)); 377157974a55SGregory Greenman 377257974a55SGregory Greenman mvmvif->authorized = 1; 377357974a55SGregory Greenman 377457974a55SGregory Greenman callbacks->mac_ctxt_changed(mvm, vif, false); 377557974a55SGregory Greenman iwl_mvm_mei_host_associated(mvm, vif, mvm_sta); 377657974a55SGregory Greenman } 377757974a55SGregory Greenman 3778*f53be9c4SGregory Greenman iwl_mvm_rs_rate_init_all_links(mvm, vif, sta, true); 377957974a55SGregory Greenman 378057974a55SGregory Greenman return 0; 378157974a55SGregory Greenman } 378257974a55SGregory Greenman 378357974a55SGregory Greenman static int 378457974a55SGregory Greenman iwl_mvm_sta_state_authorized_to_assoc(struct iwl_mvm *mvm, 378557974a55SGregory Greenman struct ieee80211_vif *vif, 378657974a55SGregory Greenman struct ieee80211_sta *sta, 378757974a55SGregory Greenman struct iwl_mvm_sta_state_ops *callbacks) 378857974a55SGregory Greenman { 378957974a55SGregory Greenman struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 379057974a55SGregory Greenman int ret; 379157974a55SGregory Greenman 379257974a55SGregory Greenman lockdep_assert_held(&mvm->mutex); 379357974a55SGregory Greenman 379457974a55SGregory Greenman /* once we move into assoc state, need to update rate scale to 379557974a55SGregory Greenman * disable using wide bandwidth 379657974a55SGregory Greenman */ 3797*f53be9c4SGregory Greenman iwl_mvm_rs_rate_init_all_links(mvm, vif, sta, false); 379857974a55SGregory Greenman 379957974a55SGregory Greenman if (!sta->tdls) { 380057974a55SGregory Greenman /* Set this but don't call iwl_mvm_mac_ctxt_changed() 380157974a55SGregory Greenman * yet to avoid sending high prio again for a little 380257974a55SGregory Greenman * time. 380357974a55SGregory Greenman */ 380457974a55SGregory Greenman mvmvif->authorized = 0; 380557974a55SGregory Greenman 380657974a55SGregory Greenman /* disable beacon filtering */ 380757974a55SGregory Greenman ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); 380857974a55SGregory Greenman WARN_ON(ret && 380957974a55SGregory Greenman !test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 381057974a55SGregory Greenman &mvm->status)); 381157974a55SGregory Greenman } 381257974a55SGregory Greenman 381357974a55SGregory Greenman return 0; 381457974a55SGregory Greenman } 381557974a55SGregory Greenman 381687f7e243SMiri Korenblit /* Common part for MLD and non-MLD modes */ 381787f7e243SMiri Korenblit int iwl_mvm_mac_sta_state_common(struct ieee80211_hw *hw, 381887f7e243SMiri Korenblit struct ieee80211_vif *vif, 381987f7e243SMiri Korenblit struct ieee80211_sta *sta, 382087f7e243SMiri Korenblit enum ieee80211_sta_state old_state, 382187f7e243SMiri Korenblit enum ieee80211_sta_state new_state, 382287f7e243SMiri Korenblit struct iwl_mvm_sta_state_ops *callbacks) 382387f7e243SMiri Korenblit { 3824e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3825e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 38266ea29ce5SJohannes Berg struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 382757974a55SGregory Greenman unsigned int link_id; 3828e705c121SKalle Valo int ret; 3829e705c121SKalle Valo 3830e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n", 3831e705c121SKalle Valo sta->addr, old_state, new_state); 3832e705c121SKalle Valo 383324afba76SLiad Kaufman /* 383424afba76SLiad Kaufman * If we are in a STA removal flow and in DQA mode: 383524afba76SLiad Kaufman * 383624afba76SLiad Kaufman * This is after the sync_rcu part, so the queues have already been 383724afba76SLiad Kaufman * flushed. No more TXs on their way in mac80211's path, and no more in 383824afba76SLiad Kaufman * the queues. 383924afba76SLiad Kaufman * Also, we won't be getting any new TX frames for this station. 384024afba76SLiad Kaufman * What we might have are deferred TX frames that need to be taken care 384124afba76SLiad Kaufman * of. 384224afba76SLiad Kaufman * 384324afba76SLiad Kaufman * Drop any still-queued deferred-frame before removing the STA, and 384424afba76SLiad Kaufman * make sure the worker is no longer handling frames for this STA. 384524afba76SLiad Kaufman */ 384624afba76SLiad Kaufman if (old_state == IEEE80211_STA_NONE && 3847c8f54701SJohannes Berg new_state == IEEE80211_STA_NOTEXIST) { 384824afba76SLiad Kaufman flush_work(&mvm->add_stream_wk); 384924afba76SLiad Kaufman 385024afba76SLiad Kaufman /* 385124afba76SLiad Kaufman * No need to make sure deferred TX indication is off since the 385224afba76SLiad Kaufman * worker will already remove it if it was on 385324afba76SLiad Kaufman */ 3854f7d6ef33SJohannes Berg 3855f7d6ef33SJohannes Berg /* 3856f7d6ef33SJohannes Berg * Additionally, reset the 40 MHz capability if we disconnected 3857f7d6ef33SJohannes Berg * from the AP now. 3858f7d6ef33SJohannes Berg */ 3859f7d6ef33SJohannes Berg iwl_mvm_reset_cca_40mhz_workaround(mvm, vif); 386024afba76SLiad Kaufman } 386124afba76SLiad Kaufman 3862e705c121SKalle Valo mutex_lock(&mvm->mutex); 386357974a55SGregory Greenman 386457974a55SGregory Greenman /* this would be a mac80211 bug ... but don't crash */ 386557974a55SGregory Greenman for_each_mvm_vif_valid_link(mvmvif, link_id) { 386657974a55SGregory Greenman if (WARN_ON_ONCE(!mvmvif->link[link_id]->phy_ctxt)) { 386757974a55SGregory Greenman mutex_unlock(&mvm->mutex); 386857974a55SGregory Greenman return test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 386957974a55SGregory Greenman &mvm->status) ? 0 : -EINVAL; 387057974a55SGregory Greenman } 387157974a55SGregory Greenman } 387257974a55SGregory Greenman 38736ea29ce5SJohannes Berg /* track whether or not the station is associated */ 3874d94c5a82SGregory Greenman mvm_sta->sta_state = new_state; 38756ea29ce5SJohannes Berg 3876e705c121SKalle Valo if (old_state == IEEE80211_STA_NOTEXIST && 3877e705c121SKalle Valo new_state == IEEE80211_STA_NONE) { 387857974a55SGregory Greenman ret = iwl_mvm_sta_state_notexist_to_none(mvm, vif, sta, 387957974a55SGregory Greenman callbacks); 388057974a55SGregory Greenman if (ret < 0) 3881e705c121SKalle Valo goto out_unlock; 3882e705c121SKalle Valo } else if (old_state == IEEE80211_STA_NONE && 3883e705c121SKalle Valo new_state == IEEE80211_STA_AUTH) { 3884e705c121SKalle Valo /* 3885e705c121SKalle Valo * EBS may be disabled due to previous failures reported by FW. 3886e705c121SKalle Valo * Reset EBS status here assuming environment has been changed. 3887e705c121SKalle Valo */ 3888e705c121SKalle Valo mvm->last_ebs_successful = true; 3889e705c121SKalle Valo iwl_mvm_check_uapsd(mvm, vif, sta->addr); 3890e705c121SKalle Valo ret = 0; 3891e705c121SKalle Valo } else if (old_state == IEEE80211_STA_AUTH && 3892e705c121SKalle Valo new_state == IEEE80211_STA_ASSOC) { 389357974a55SGregory Greenman ret = iwl_mvm_sta_state_auth_to_assoc(hw, mvm, vif, sta, 389457974a55SGregory Greenman callbacks); 3895e705c121SKalle Valo } else if (old_state == IEEE80211_STA_ASSOC && 3896e705c121SKalle Valo new_state == IEEE80211_STA_AUTHORIZED) { 389757974a55SGregory Greenman ret = iwl_mvm_sta_state_assoc_to_authorized(mvm, vif, sta, 389857974a55SGregory Greenman callbacks); 3899e705c121SKalle Valo } else if (old_state == IEEE80211_STA_AUTHORIZED && 3900e705c121SKalle Valo new_state == IEEE80211_STA_ASSOC) { 390157974a55SGregory Greenman ret = iwl_mvm_sta_state_authorized_to_assoc(mvm, vif, sta, 390257974a55SGregory Greenman callbacks); 3903e705c121SKalle Valo } else if (old_state == IEEE80211_STA_ASSOC && 3904e705c121SKalle Valo new_state == IEEE80211_STA_AUTH) { 39058be30c13SAyala Beker if (vif->type == NL80211_IFTYPE_AP) { 39068be30c13SAyala Beker mvmvif->ap_assoc_sta_count--; 390787f7e243SMiri Korenblit callbacks->mac_ctxt_changed(mvm, vif, false); 3908d5d8ee52SEmmanuel Grumbach } else if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 3909cf7a7457SJohannes Berg iwl_mvm_stop_session_protection(mvm, vif); 3910e705c121SKalle Valo ret = 0; 3911e705c121SKalle Valo } else if (old_state == IEEE80211_STA_AUTH && 3912e705c121SKalle Valo new_state == IEEE80211_STA_NONE) { 3913e705c121SKalle Valo ret = 0; 3914e705c121SKalle Valo } else if (old_state == IEEE80211_STA_NONE && 3915e705c121SKalle Valo new_state == IEEE80211_STA_NOTEXIST) { 3916d5d8ee52SEmmanuel Grumbach if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 3917d5d8ee52SEmmanuel Grumbach iwl_mvm_stop_session_protection(mvm, vif); 391887f7e243SMiri Korenblit ret = callbacks->rm_sta(mvm, vif, sta); 39191e8f1329SGolan Ben-Ami if (sta->tdls) { 3920e705c121SKalle Valo iwl_mvm_recalc_tdls_state(mvm, vif, false); 39211e8f1329SGolan Ben-Ami iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 39221e8f1329SGolan Ben-Ami NL80211_TDLS_DISABLE_LINK); 39231e8f1329SGolan Ben-Ami } 392434a880d8SLiad Kaufman 392544135b7cSIlan Peer if (unlikely(ret && 392644135b7cSIlan Peer test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 392744135b7cSIlan Peer &mvm->status))) 392844135b7cSIlan Peer ret = 0; 3929e705c121SKalle Valo } else { 3930e705c121SKalle Valo ret = -EIO; 3931e705c121SKalle Valo } 3932e705c121SKalle Valo out_unlock: 3933e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3934e705c121SKalle Valo 3935e705c121SKalle Valo if (sta->tdls && ret == 0) { 3936e705c121SKalle Valo if (old_state == IEEE80211_STA_NOTEXIST && 3937e705c121SKalle Valo new_state == IEEE80211_STA_NONE) 3938e705c121SKalle Valo ieee80211_reserve_tid(sta, IWL_MVM_TDLS_FW_TID); 3939e705c121SKalle Valo else if (old_state == IEEE80211_STA_NONE && 3940e705c121SKalle Valo new_state == IEEE80211_STA_NOTEXIST) 3941e705c121SKalle Valo ieee80211_unreserve_tid(sta, IWL_MVM_TDLS_FW_TID); 3942e705c121SKalle Valo } 3943e705c121SKalle Valo 3944e705c121SKalle Valo return ret; 3945e705c121SKalle Valo } 3946e705c121SKalle Valo 3947cbce62a3SMiri Korenblit int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 3948e705c121SKalle Valo { 3949e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3950e705c121SKalle Valo 3951e705c121SKalle Valo mvm->rts_threshold = value; 3952e705c121SKalle Valo 3953e705c121SKalle Valo return 0; 3954e705c121SKalle Valo } 3955e705c121SKalle Valo 3956cbce62a3SMiri Korenblit void iwl_mvm_sta_rc_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 3957e705c121SKalle Valo struct ieee80211_sta *sta, u32 changed) 3958e705c121SKalle Valo { 3959e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3960dcfe3b10SJohannes Berg struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3961dcfe3b10SJohannes Berg 3962dcfe3b10SJohannes Berg if (changed & (IEEE80211_RC_BW_CHANGED | 3963dcfe3b10SJohannes Berg IEEE80211_RC_SUPP_RATES_CHANGED | 3964dcfe3b10SJohannes Berg IEEE80211_RC_NSS_CHANGED)) 3965650cadb7SGregory Greenman iwl_mvm_rs_rate_init(mvm, sta, 3966*f53be9c4SGregory Greenman &vif->bss_conf, &sta->deflink, 3967650cadb7SGregory Greenman mvmvif->deflink.phy_ctxt->channel->band, 3968dcfe3b10SJohannes Berg true); 3969e705c121SKalle Valo 3970e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_STATION && 3971e705c121SKalle Valo changed & IEEE80211_RC_NSS_CHANGED) 3972e705c121SKalle Valo iwl_mvm_sf_update(mvm, vif, false); 3973e705c121SKalle Valo } 3974e705c121SKalle Valo 3975e705c121SKalle Valo static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw, 3976b3e2130bSJohannes Berg struct ieee80211_vif *vif, 3977b3e2130bSJohannes Berg unsigned int link_id, u16 ac, 3978e705c121SKalle Valo const struct ieee80211_tx_queue_params *params) 3979e705c121SKalle Valo { 3980e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3981e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3982e705c121SKalle Valo 3983650cadb7SGregory Greenman mvmvif->deflink.queue_params[ac] = *params; 3984e705c121SKalle Valo 3985e705c121SKalle Valo /* 3986e705c121SKalle Valo * No need to update right away, we'll get BSS_CHANGED_QOS 3987e705c121SKalle Valo * The exception is P2P_DEVICE interface which needs immediate update. 3988e705c121SKalle Valo */ 3989e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 3990e705c121SKalle Valo int ret; 3991e705c121SKalle Valo 3992e705c121SKalle Valo mutex_lock(&mvm->mutex); 3993e705c121SKalle Valo ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 3994e705c121SKalle Valo mutex_unlock(&mvm->mutex); 3995e705c121SKalle Valo return ret; 3996e705c121SKalle Valo } 3997e705c121SKalle Valo return 0; 3998e705c121SKalle Valo } 3999e705c121SKalle Valo 4000cbce62a3SMiri Korenblit void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw, 4001d4e36e55SIlan Peer struct ieee80211_vif *vif, 400215fae341SJohannes Berg struct ieee80211_prep_tx_info *info) 4003e705c121SKalle Valo { 4004e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4005d4e36e55SIlan Peer 4006e705c121SKalle Valo mutex_lock(&mvm->mutex); 4007af84ac57SJohannes Berg iwl_mvm_protect_assoc(mvm, vif, info->duration); 4008e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4009e705c121SKalle Valo } 4010e705c121SKalle Valo 4011cbce62a3SMiri Korenblit void iwl_mvm_mac_mgd_complete_tx(struct ieee80211_hw *hw, 40126b1259d1SJohannes Berg struct ieee80211_vif *vif, 40136b1259d1SJohannes Berg struct ieee80211_prep_tx_info *info) 40146b1259d1SJohannes Berg { 40156b1259d1SJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 40166b1259d1SJohannes Berg 40176b1259d1SJohannes Berg /* for successful cases (auth/assoc), don't cancel session protection */ 40186b1259d1SJohannes Berg if (info->success) 40196b1259d1SJohannes Berg return; 40206b1259d1SJohannes Berg 40216b1259d1SJohannes Berg mutex_lock(&mvm->mutex); 40226b1259d1SJohannes Berg iwl_mvm_stop_session_protection(mvm, vif); 40236b1259d1SJohannes Berg mutex_unlock(&mvm->mutex); 40246b1259d1SJohannes Berg } 40256b1259d1SJohannes Berg 4026cbce62a3SMiri Korenblit int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw, 4027e705c121SKalle Valo struct ieee80211_vif *vif, 4028e705c121SKalle Valo struct cfg80211_sched_scan_request *req, 4029e705c121SKalle Valo struct ieee80211_scan_ies *ies) 4030e705c121SKalle Valo { 4031e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4032e705c121SKalle Valo 4033e705c121SKalle Valo int ret; 4034e705c121SKalle Valo 4035e705c121SKalle Valo mutex_lock(&mvm->mutex); 4036e705c121SKalle Valo 4037f276e20bSJohannes Berg if (!vif->cfg.idle) { 4038e705c121SKalle Valo ret = -EBUSY; 4039e705c121SKalle Valo goto out; 4040e705c121SKalle Valo } 4041e705c121SKalle Valo 4042e705c121SKalle Valo ret = iwl_mvm_sched_scan_start(mvm, vif, req, ies, IWL_MVM_SCAN_SCHED); 4043e705c121SKalle Valo 4044e705c121SKalle Valo out: 4045e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4046e705c121SKalle Valo return ret; 4047e705c121SKalle Valo } 4048e705c121SKalle Valo 4049cbce62a3SMiri Korenblit int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw, 4050e705c121SKalle Valo struct ieee80211_vif *vif) 4051e705c121SKalle Valo { 4052e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4053e705c121SKalle Valo int ret; 4054e705c121SKalle Valo 4055e705c121SKalle Valo mutex_lock(&mvm->mutex); 4056e705c121SKalle Valo 4057e705c121SKalle Valo /* Due to a race condition, it's possible that mac80211 asks 4058e705c121SKalle Valo * us to stop a sched_scan when it's already stopped. This 4059e705c121SKalle Valo * can happen, for instance, if we stopped the scan ourselves, 4060e705c121SKalle Valo * called ieee80211_sched_scan_stopped() and the userspace called 4061e705c121SKalle Valo * stop sched scan scan before ieee80211_sched_scan_stopped_work() 4062e705c121SKalle Valo * could run. To handle this, simply return if the scan is 4063e705c121SKalle Valo * not running. 4064e705c121SKalle Valo */ 4065e705c121SKalle Valo if (!(mvm->scan_status & IWL_MVM_SCAN_SCHED)) { 4066e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4067e705c121SKalle Valo return 0; 4068e705c121SKalle Valo } 4069e705c121SKalle Valo 4070e705c121SKalle Valo ret = iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, false); 4071e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4072e705c121SKalle Valo iwl_mvm_wait_for_async_handlers(mvm); 4073e705c121SKalle Valo 4074e705c121SKalle Valo return ret; 4075e705c121SKalle Valo } 4076e705c121SKalle Valo 40776569e7d3SJohannes Berg static int __iwl_mvm_mac_set_key(struct ieee80211_hw *hw, 4078e705c121SKalle Valo enum set_key_cmd cmd, 4079e705c121SKalle Valo struct ieee80211_vif *vif, 4080e705c121SKalle Valo struct ieee80211_sta *sta, 4081e705c121SKalle Valo struct ieee80211_key_conf *key) 4082e705c121SKalle Valo { 4083c56e00a3SJohannes Berg struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4084e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 408546c7b05aSEmmanuel Grumbach struct iwl_mvm_sta *mvmsta = NULL; 4086f5e28eacSJohannes Berg struct iwl_mvm_key_pn *ptk_pn; 4087f5e28eacSJohannes Berg int keyidx = key->keyidx; 40885c75a208SJohannes Berg u32 sec_key_id = WIDE_ID(DATA_PATH_GROUP, SEC_KEY_CMD); 40895c75a208SJohannes Berg u8 sec_key_ver = iwl_fw_lookup_cmd_ver(mvm->fw, sec_key_id, 0); 4090c56e00a3SJohannes Berg int ret, i; 40914615fd15SEmmanuel Grumbach u8 key_offset; 4092e705c121SKalle Valo 409346c7b05aSEmmanuel Grumbach if (sta) 40946d19a5ebSEmmanuel Grumbach mvmsta = iwl_mvm_sta_from_mac80211(sta); 40956d19a5ebSEmmanuel Grumbach 4096e705c121SKalle Valo switch (key->cipher) { 4097e705c121SKalle Valo case WLAN_CIPHER_SUITE_TKIP: 4098286ca8ebSLuca Coelho if (!mvm->trans->trans_cfg->gen2) { 4099e705c121SKalle Valo key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 41001ad4f639SEliad Peller key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 41017f768ad5SDavid Spinadel } else if (vif->type == NL80211_IFTYPE_STATION) { 41027f768ad5SDavid Spinadel key->flags |= IEEE80211_KEY_FLAG_PUT_MIC_SPACE; 41037f768ad5SDavid Spinadel } else { 41047f768ad5SDavid Spinadel IWL_DEBUG_MAC80211(mvm, "Use SW encryption for TKIP\n"); 41057f768ad5SDavid Spinadel return -EOPNOTSUPP; 41067f768ad5SDavid Spinadel } 4107e705c121SKalle Valo break; 4108e705c121SKalle Valo case WLAN_CIPHER_SUITE_CCMP: 41092a53d166SAyala Beker case WLAN_CIPHER_SUITE_GCMP: 41102a53d166SAyala Beker case WLAN_CIPHER_SUITE_GCMP_256: 411185aeb58cSDavid Spinadel if (!iwl_mvm_has_new_tx_api(mvm)) 4112e705c121SKalle Valo key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 4113e705c121SKalle Valo break; 4114e705c121SKalle Valo case WLAN_CIPHER_SUITE_AES_CMAC: 41158e160ab8SAyala Beker case WLAN_CIPHER_SUITE_BIP_GMAC_128: 41168e160ab8SAyala Beker case WLAN_CIPHER_SUITE_BIP_GMAC_256: 4117e705c121SKalle Valo WARN_ON_ONCE(!ieee80211_hw_check(hw, MFP_CAPABLE)); 4118e705c121SKalle Valo break; 4119e705c121SKalle Valo case WLAN_CIPHER_SUITE_WEP40: 4120e705c121SKalle Valo case WLAN_CIPHER_SUITE_WEP104: 4121475c6bdeSJohannes Berg if (vif->type == NL80211_IFTYPE_STATION) 4122e705c121SKalle Valo break; 4123475c6bdeSJohannes Berg if (iwl_mvm_has_new_tx_api(mvm)) 4124475c6bdeSJohannes Berg return -EOPNOTSUPP; 4125475c6bdeSJohannes Berg /* support HW crypto on TX */ 4126475c6bdeSJohannes Berg return 0; 4127e705c121SKalle Valo default: 4128e705c121SKalle Valo return -EOPNOTSUPP; 4129e705c121SKalle Valo } 4130e705c121SKalle Valo 4131e705c121SKalle Valo switch (cmd) { 4132e705c121SKalle Valo case SET_KEY: 4133a5de7de7SJohannes Berg if (vif->type == NL80211_IFTYPE_STATION && 4134a5de7de7SJohannes Berg (keyidx == 6 || keyidx == 7)) 4135b1fdc250SJohannes Berg rcu_assign_pointer(mvmvif->bcn_prot.keys[keyidx - 6], 4136b1fdc250SJohannes Berg key); 4137b1fdc250SJohannes Berg 4138e705c121SKalle Valo if ((vif->type == NL80211_IFTYPE_ADHOC || 4139e705c121SKalle Valo vif->type == NL80211_IFTYPE_AP) && !sta) { 4140e705c121SKalle Valo /* 4141e705c121SKalle Valo * GTK on AP interface is a TX-only key, return 0; 4142e705c121SKalle Valo * on IBSS they're per-station and because we're lazy 4143e705c121SKalle Valo * we don't support them for RX, so do the same. 41448e160ab8SAyala Beker * CMAC/GMAC in AP/IBSS modes must be done in software. 4145a5de7de7SJohannes Berg * 4146a5de7de7SJohannes Berg * Except, of course, beacon protection - it must be 4147a5de7de7SJohannes Berg * offloaded since we just set a beacon template. 4148e705c121SKalle Valo */ 4149a5de7de7SJohannes Berg if (keyidx < 6 && 4150a5de7de7SJohannes Berg (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC || 41518e160ab8SAyala Beker key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 || 4152a5de7de7SJohannes Berg key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256)) { 415381279c49SJohannes Berg ret = -EOPNOTSUPP; 4154a1c2ff30SAndrei Otcheretianski break; 4155a1c2ff30SAndrei Otcheretianski } 415685aeb58cSDavid Spinadel 415785aeb58cSDavid Spinadel if (key->cipher != WLAN_CIPHER_SUITE_GCMP && 415885aeb58cSDavid Spinadel key->cipher != WLAN_CIPHER_SUITE_GCMP_256 && 415985aeb58cSDavid Spinadel !iwl_mvm_has_new_tx_api(mvm)) { 4160e705c121SKalle Valo key->hw_key_idx = STA_KEY_IDX_INVALID; 4161a1c2ff30SAndrei Otcheretianski ret = 0; 4162e705c121SKalle Valo break; 4163e705c121SKalle Valo } 4164c56e00a3SJohannes Berg 4165c56e00a3SJohannes Berg if (!mvmvif->ap_ibss_active) { 4166c56e00a3SJohannes Berg for (i = 0; 4167c56e00a3SJohannes Berg i < ARRAY_SIZE(mvmvif->ap_early_keys); 4168c56e00a3SJohannes Berg i++) { 4169c56e00a3SJohannes Berg if (!mvmvif->ap_early_keys[i]) { 4170c56e00a3SJohannes Berg mvmvif->ap_early_keys[i] = key; 4171c56e00a3SJohannes Berg break; 4172c56e00a3SJohannes Berg } 4173c56e00a3SJohannes Berg } 4174c56e00a3SJohannes Berg 4175c56e00a3SJohannes Berg if (i >= ARRAY_SIZE(mvmvif->ap_early_keys)) 4176c56e00a3SJohannes Berg ret = -ENOSPC; 4177a1c2ff30SAndrei Otcheretianski else 4178a1c2ff30SAndrei Otcheretianski ret = 0; 4179c56e00a3SJohannes Berg 4180c56e00a3SJohannes Berg break; 4181c56e00a3SJohannes Berg } 418285aeb58cSDavid Spinadel } 4183e705c121SKalle Valo 4184e705c121SKalle Valo /* During FW restart, in order to restore the state as it was, 4185e705c121SKalle Valo * don't try to reprogram keys we previously failed for. 4186e705c121SKalle Valo */ 4187e705c121SKalle Valo if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 4188e705c121SKalle Valo key->hw_key_idx == STA_KEY_IDX_INVALID) { 4189e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, 4190e705c121SKalle Valo "skip invalid idx key programming during restart\n"); 4191e705c121SKalle Valo ret = 0; 4192e705c121SKalle Valo break; 4193e705c121SKalle Valo } 4194e705c121SKalle Valo 4195f5e28eacSJohannes Berg if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 419646c7b05aSEmmanuel Grumbach mvmsta && iwl_mvm_has_new_rx_api(mvm) && 4197f5e28eacSJohannes Berg key->flags & IEEE80211_KEY_FLAG_PAIRWISE && 4198f5e28eacSJohannes Berg (key->cipher == WLAN_CIPHER_SUITE_CCMP || 41992a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP || 42002a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { 4201f5e28eacSJohannes Berg struct ieee80211_key_seq seq; 4202f5e28eacSJohannes Berg int tid, q; 4203f5e28eacSJohannes Berg 4204f5e28eacSJohannes Berg WARN_ON(rcu_access_pointer(mvmsta->ptk_pn[keyidx])); 4205acafe7e3SKees Cook ptk_pn = kzalloc(struct_size(ptk_pn, q, 4206acafe7e3SKees Cook mvm->trans->num_rx_queues), 4207f5e28eacSJohannes Berg GFP_KERNEL); 4208f5e28eacSJohannes Berg if (!ptk_pn) { 4209f5e28eacSJohannes Berg ret = -ENOMEM; 4210f5e28eacSJohannes Berg break; 4211f5e28eacSJohannes Berg } 4212f5e28eacSJohannes Berg 4213f5e28eacSJohannes Berg for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { 4214f5e28eacSJohannes Berg ieee80211_get_key_rx_seq(key, tid, &seq); 4215f5e28eacSJohannes Berg for (q = 0; q < mvm->trans->num_rx_queues; q++) 4216f5e28eacSJohannes Berg memcpy(ptk_pn->q[q].pn[tid], 4217f5e28eacSJohannes Berg seq.ccmp.pn, 4218f5e28eacSJohannes Berg IEEE80211_CCMP_PN_LEN); 4219f5e28eacSJohannes Berg } 4220f5e28eacSJohannes Berg 4221f5e28eacSJohannes Berg rcu_assign_pointer(mvmsta->ptk_pn[keyidx], ptk_pn); 4222f5e28eacSJohannes Berg } 4223f5e28eacSJohannes Berg 42244615fd15SEmmanuel Grumbach /* in HW restart reuse the index, otherwise request a new one */ 42254615fd15SEmmanuel Grumbach if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 42264615fd15SEmmanuel Grumbach key_offset = key->hw_key_idx; 42274615fd15SEmmanuel Grumbach else 42284615fd15SEmmanuel Grumbach key_offset = STA_KEY_IDX_INVALID; 42294615fd15SEmmanuel Grumbach 423046c7b05aSEmmanuel Grumbach if (mvmsta && key->flags & IEEE80211_KEY_FLAG_PAIRWISE) 42316d19a5ebSEmmanuel Grumbach mvmsta->pairwise_cipher = key->cipher; 42326d19a5ebSEmmanuel Grumbach 4233a5de7de7SJohannes Berg IWL_DEBUG_MAC80211(mvm, "set hwcrypto key (sta:%pM, id:%d)\n", 4234a5de7de7SJohannes Berg sta ? sta->addr : NULL, key->keyidx); 42355c75a208SJohannes Berg 42365c75a208SJohannes Berg if (sec_key_ver) 42375c75a208SJohannes Berg ret = iwl_mvm_sec_key_add(mvm, vif, sta, key); 42385c75a208SJohannes Berg else 42394615fd15SEmmanuel Grumbach ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, key_offset); 42405c75a208SJohannes Berg 4241e705c121SKalle Valo if (ret) { 4242e705c121SKalle Valo IWL_WARN(mvm, "set key failed\n"); 4243475c6bdeSJohannes Berg key->hw_key_idx = STA_KEY_IDX_INVALID; 4244e705c121SKalle Valo /* 4245e705c121SKalle Valo * can't add key for RX, but we don't need it 4246475c6bdeSJohannes Berg * in the device for TX so still return 0, 4247475c6bdeSJohannes Berg * unless we have new TX API where we cannot 4248475c6bdeSJohannes Berg * put key material into the TX_CMD 4249e705c121SKalle Valo */ 4250475c6bdeSJohannes Berg if (iwl_mvm_has_new_tx_api(mvm)) 4251475c6bdeSJohannes Berg ret = -EOPNOTSUPP; 4252475c6bdeSJohannes Berg else 4253e705c121SKalle Valo ret = 0; 4254e705c121SKalle Valo } 4255e705c121SKalle Valo 4256e705c121SKalle Valo break; 4257e705c121SKalle Valo case DISABLE_KEY: 4258a5de7de7SJohannes Berg if (vif->type == NL80211_IFTYPE_STATION && 4259a5de7de7SJohannes Berg (keyidx == 6 || keyidx == 7)) 4260b1fdc250SJohannes Berg RCU_INIT_POINTER(mvmvif->bcn_prot.keys[keyidx - 6], 4261b1fdc250SJohannes Berg NULL); 4262b1fdc250SJohannes Berg 4263c56e00a3SJohannes Berg ret = -ENOENT; 4264c56e00a3SJohannes Berg for (i = 0; i < ARRAY_SIZE(mvmvif->ap_early_keys); i++) { 4265c56e00a3SJohannes Berg if (mvmvif->ap_early_keys[i] == key) { 4266c56e00a3SJohannes Berg mvmvif->ap_early_keys[i] = NULL; 4267c56e00a3SJohannes Berg ret = 0; 4268c56e00a3SJohannes Berg } 4269c56e00a3SJohannes Berg } 4270c56e00a3SJohannes Berg 4271c56e00a3SJohannes Berg /* found in pending list - don't do anything else */ 4272c56e00a3SJohannes Berg if (ret == 0) 4273c56e00a3SJohannes Berg break; 4274c56e00a3SJohannes Berg 4275e705c121SKalle Valo if (key->hw_key_idx == STA_KEY_IDX_INVALID) { 4276e705c121SKalle Valo ret = 0; 4277e705c121SKalle Valo break; 4278e705c121SKalle Valo } 4279e705c121SKalle Valo 428046c7b05aSEmmanuel Grumbach if (mvmsta && iwl_mvm_has_new_rx_api(mvm) && 4281f5e28eacSJohannes Berg key->flags & IEEE80211_KEY_FLAG_PAIRWISE && 4282f5e28eacSJohannes Berg (key->cipher == WLAN_CIPHER_SUITE_CCMP || 42832a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP || 42842a53d166SAyala Beker key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { 4285f5e28eacSJohannes Berg ptk_pn = rcu_dereference_protected( 4286f5e28eacSJohannes Berg mvmsta->ptk_pn[keyidx], 4287f5e28eacSJohannes Berg lockdep_is_held(&mvm->mutex)); 4288f5e28eacSJohannes Berg RCU_INIT_POINTER(mvmsta->ptk_pn[keyidx], NULL); 4289f5e28eacSJohannes Berg if (ptk_pn) 4290f5e28eacSJohannes Berg kfree_rcu(ptk_pn, rcu_head); 4291f5e28eacSJohannes Berg } 4292f5e28eacSJohannes Berg 4293e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n"); 42945c75a208SJohannes Berg if (sec_key_ver) 42955c75a208SJohannes Berg ret = iwl_mvm_sec_key_del(mvm, vif, sta, key); 42965c75a208SJohannes Berg else 4297e705c121SKalle Valo ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key); 4298e705c121SKalle Valo break; 4299e705c121SKalle Valo default: 4300e705c121SKalle Valo ret = -EINVAL; 4301e705c121SKalle Valo } 4302e705c121SKalle Valo 43036569e7d3SJohannes Berg return ret; 43046569e7d3SJohannes Berg } 43056569e7d3SJohannes Berg 4306cbce62a3SMiri Korenblit int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 4307cbce62a3SMiri Korenblit struct ieee80211_vif *vif, struct ieee80211_sta *sta, 43086569e7d3SJohannes Berg struct ieee80211_key_conf *key) 43096569e7d3SJohannes Berg { 43106569e7d3SJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 43116569e7d3SJohannes Berg int ret; 43126569e7d3SJohannes Berg 43136569e7d3SJohannes Berg mutex_lock(&mvm->mutex); 43146569e7d3SJohannes Berg ret = __iwl_mvm_mac_set_key(hw, cmd, vif, sta, key); 4315e705c121SKalle Valo mutex_unlock(&mvm->mutex); 43166569e7d3SJohannes Berg 4317e705c121SKalle Valo return ret; 4318e705c121SKalle Valo } 4319e705c121SKalle Valo 4320cbce62a3SMiri Korenblit void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw, 4321e705c121SKalle Valo struct ieee80211_vif *vif, 4322e705c121SKalle Valo struct ieee80211_key_conf *keyconf, 4323e705c121SKalle Valo struct ieee80211_sta *sta, 4324e705c121SKalle Valo u32 iv32, u16 *phase1key) 4325e705c121SKalle Valo { 4326e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4327e705c121SKalle Valo 4328e705c121SKalle Valo if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID) 4329e705c121SKalle Valo return; 4330e705c121SKalle Valo 4331e705c121SKalle Valo iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key); 4332e705c121SKalle Valo } 4333e705c121SKalle Valo 4334e705c121SKalle Valo 4335e705c121SKalle Valo static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data *notif_wait, 4336e705c121SKalle Valo struct iwl_rx_packet *pkt, void *data) 4337e705c121SKalle Valo { 4338e705c121SKalle Valo struct iwl_mvm *mvm = 4339e705c121SKalle Valo container_of(notif_wait, struct iwl_mvm, notif_wait); 4340e705c121SKalle Valo struct iwl_hs20_roc_res *resp; 4341e705c121SKalle Valo int resp_len = iwl_rx_packet_payload_len(pkt); 4342e705c121SKalle Valo struct iwl_mvm_time_event_data *te_data = data; 4343e705c121SKalle Valo 4344e705c121SKalle Valo if (WARN_ON(pkt->hdr.cmd != HOT_SPOT_CMD)) 4345e705c121SKalle Valo return true; 4346e705c121SKalle Valo 4347e705c121SKalle Valo if (WARN_ON_ONCE(resp_len != sizeof(*resp))) { 4348e705c121SKalle Valo IWL_ERR(mvm, "Invalid HOT_SPOT_CMD response\n"); 4349e705c121SKalle Valo return true; 4350e705c121SKalle Valo } 4351e705c121SKalle Valo 4352e705c121SKalle Valo resp = (void *)pkt->data; 4353e705c121SKalle Valo 4354e705c121SKalle Valo IWL_DEBUG_TE(mvm, 4355b71a9c35SColin Ian King "Aux ROC: Received response from ucode: status=%d uid=%d\n", 4356e705c121SKalle Valo resp->status, resp->event_unique_id); 4357e705c121SKalle Valo 4358e705c121SKalle Valo te_data->uid = le32_to_cpu(resp->event_unique_id); 4359e705c121SKalle Valo IWL_DEBUG_TE(mvm, "TIME_EVENT_CMD response - UID = 0x%x\n", 4360e705c121SKalle Valo te_data->uid); 4361e705c121SKalle Valo 4362e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 4363e705c121SKalle Valo list_add_tail(&te_data->list, &mvm->aux_roc_te_list); 4364e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 4365e705c121SKalle Valo 4366e705c121SKalle Valo return true; 4367e705c121SKalle Valo } 4368e705c121SKalle Valo 4369dc28e12fSMatti Gottlieb #define AUX_ROC_MIN_DURATION MSEC_TO_TU(100) 4370dc28e12fSMatti Gottlieb #define AUX_ROC_MIN_DELAY MSEC_TO_TU(200) 4371dc28e12fSMatti Gottlieb #define AUX_ROC_MAX_DELAY MSEC_TO_TU(600) 4372dc28e12fSMatti Gottlieb #define AUX_ROC_SAFETY_BUFFER MSEC_TO_TU(20) 4373dc28e12fSMatti Gottlieb #define AUX_ROC_MIN_SAFETY_BUFFER MSEC_TO_TU(10) 4374e705c121SKalle Valo static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm, 4375e705c121SKalle Valo struct ieee80211_channel *channel, 4376e705c121SKalle Valo struct ieee80211_vif *vif, 4377e705c121SKalle Valo int duration) 4378e705c121SKalle Valo { 4379afc1e3b4SAvraham Stern int res; 4380e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4381e705c121SKalle Valo struct iwl_mvm_time_event_data *te_data = &mvmvif->hs_time_event_data; 4382e705c121SKalle Valo static const u16 time_event_response[] = { HOT_SPOT_CMD }; 4383e705c121SKalle Valo struct iwl_notification_wait wait_time_event; 4384dc28e12fSMatti Gottlieb u32 dtim_interval = vif->bss_conf.dtim_period * 4385dc28e12fSMatti Gottlieb vif->bss_conf.beacon_int; 4386dc28e12fSMatti Gottlieb u32 req_dur, delay; 4387e705c121SKalle Valo struct iwl_hs20_roc_req aux_roc_req = { 4388e705c121SKalle Valo .action = cpu_to_le32(FW_CTXT_ACTION_ADD), 4389e705c121SKalle Valo .id_and_color = 4390e705c121SKalle Valo cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX, 0)), 4391e705c121SKalle Valo .sta_id_and_color = cpu_to_le32(mvm->aux_sta.sta_id), 4392e705c121SKalle Valo }; 439357e861d9SDavid Spinadel struct iwl_hs20_roc_req_tail *tail = iwl_mvm_chan_info_cmd_tail(mvm, 439457e861d9SDavid Spinadel &aux_roc_req.channel_info); 439557e861d9SDavid Spinadel u16 len = sizeof(aux_roc_req) - iwl_mvm_chan_info_padding(mvm); 439657e861d9SDavid Spinadel 439757e861d9SDavid Spinadel /* Set the channel info data */ 439857e861d9SDavid Spinadel iwl_mvm_set_chan_info(mvm, &aux_roc_req.channel_info, channel->hw_value, 43993717f91aSTova Mussai iwl_mvm_phy_band_from_nl80211(channel->band), 44007ac87575SJohannes Berg IWL_PHY_CHANNEL_MODE20, 440157e861d9SDavid Spinadel 0); 440257e861d9SDavid Spinadel 440357e861d9SDavid Spinadel /* Set the time and duration */ 4404afc1e3b4SAvraham Stern tail->apply_time = cpu_to_le32(iwl_mvm_get_systime(mvm)); 4405e705c121SKalle Valo 4406dc28e12fSMatti Gottlieb delay = AUX_ROC_MIN_DELAY; 4407dc28e12fSMatti Gottlieb req_dur = MSEC_TO_TU(duration); 4408dc28e12fSMatti Gottlieb 4409dc28e12fSMatti Gottlieb /* 4410dc28e12fSMatti Gottlieb * If we are associated we want the delay time to be at least one 4411dc28e12fSMatti Gottlieb * dtim interval so that the FW can wait until after the DTIM and 4412dc28e12fSMatti Gottlieb * then start the time event, this will potentially allow us to 4413dc28e12fSMatti Gottlieb * remain off-channel for the max duration. 4414dc28e12fSMatti Gottlieb * Since we want to use almost a whole dtim interval we would also 4415dc28e12fSMatti Gottlieb * like the delay to be for 2-3 dtim intervals, in case there are 4416dc28e12fSMatti Gottlieb * other time events with higher priority. 4417dc28e12fSMatti Gottlieb */ 4418f276e20bSJohannes Berg if (vif->cfg.assoc) { 4419dc28e12fSMatti Gottlieb delay = min_t(u32, dtim_interval * 3, AUX_ROC_MAX_DELAY); 4420dc28e12fSMatti Gottlieb /* We cannot remain off-channel longer than the DTIM interval */ 4421dc28e12fSMatti Gottlieb if (dtim_interval <= req_dur) { 4422dc28e12fSMatti Gottlieb req_dur = dtim_interval - AUX_ROC_SAFETY_BUFFER; 4423dc28e12fSMatti Gottlieb if (req_dur <= AUX_ROC_MIN_DURATION) 4424dc28e12fSMatti Gottlieb req_dur = dtim_interval - 4425dc28e12fSMatti Gottlieb AUX_ROC_MIN_SAFETY_BUFFER; 4426dc28e12fSMatti Gottlieb } 4427dc28e12fSMatti Gottlieb } 4428dc28e12fSMatti Gottlieb 442957e861d9SDavid Spinadel tail->duration = cpu_to_le32(req_dur); 443057e861d9SDavid Spinadel tail->apply_time_max_delay = cpu_to_le32(delay); 4431dc28e12fSMatti Gottlieb 4432dc28e12fSMatti Gottlieb IWL_DEBUG_TE(mvm, 4433903b3f9bSEmmanuel Grumbach "ROC: Requesting to remain on channel %u for %ums\n", 4434903b3f9bSEmmanuel Grumbach channel->hw_value, req_dur); 4435903b3f9bSEmmanuel Grumbach IWL_DEBUG_TE(mvm, 4436903b3f9bSEmmanuel Grumbach "\t(requested = %ums, max_delay = %ums, dtim_interval = %ums)\n", 4437903b3f9bSEmmanuel Grumbach duration, delay, dtim_interval); 4438903b3f9bSEmmanuel Grumbach 4439e705c121SKalle Valo /* Set the node address */ 444057e861d9SDavid Spinadel memcpy(tail->node_addr, vif->addr, ETH_ALEN); 4441e705c121SKalle Valo 4442e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 4443e705c121SKalle Valo 4444e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 4445e705c121SKalle Valo 4446e705c121SKalle Valo if (WARN_ON(te_data->id == HOT_SPOT_CMD)) { 4447e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 4448e705c121SKalle Valo return -EIO; 4449e705c121SKalle Valo } 4450e705c121SKalle Valo 4451e705c121SKalle Valo te_data->vif = vif; 4452e705c121SKalle Valo te_data->duration = duration; 4453e705c121SKalle Valo te_data->id = HOT_SPOT_CMD; 4454e705c121SKalle Valo 4455e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 4456e705c121SKalle Valo 4457e705c121SKalle Valo /* 4458e705c121SKalle Valo * Use a notification wait, which really just processes the 4459e705c121SKalle Valo * command response and doesn't wait for anything, in order 4460e705c121SKalle Valo * to be able to process the response and get the UID inside 4461e705c121SKalle Valo * the RX path. Using CMD_WANT_SKB doesn't work because it 4462e705c121SKalle Valo * stores the buffer and then wakes up this thread, by which 4463e705c121SKalle Valo * time another notification (that the time event started) 4464e705c121SKalle Valo * might already be processed unsuccessfully. 4465e705c121SKalle Valo */ 4466e705c121SKalle Valo iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event, 4467e705c121SKalle Valo time_event_response, 4468e705c121SKalle Valo ARRAY_SIZE(time_event_response), 4469e705c121SKalle Valo iwl_mvm_rx_aux_roc, te_data); 4470e705c121SKalle Valo 447157e861d9SDavid Spinadel res = iwl_mvm_send_cmd_pdu(mvm, HOT_SPOT_CMD, 0, len, 4472e705c121SKalle Valo &aux_roc_req); 4473e705c121SKalle Valo 4474e705c121SKalle Valo if (res) { 4475e705c121SKalle Valo IWL_ERR(mvm, "Couldn't send HOT_SPOT_CMD: %d\n", res); 4476e705c121SKalle Valo iwl_remove_notification(&mvm->notif_wait, &wait_time_event); 4477e705c121SKalle Valo goto out_clear_te; 4478e705c121SKalle Valo } 4479e705c121SKalle Valo 4480e705c121SKalle Valo /* No need to wait for anything, so just pass 1 (0 isn't valid) */ 4481e705c121SKalle Valo res = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1); 4482e705c121SKalle Valo /* should never fail */ 4483e705c121SKalle Valo WARN_ON_ONCE(res); 4484e705c121SKalle Valo 4485e705c121SKalle Valo if (res) { 4486e705c121SKalle Valo out_clear_te: 4487e705c121SKalle Valo spin_lock_bh(&mvm->time_event_lock); 4488e705c121SKalle Valo iwl_mvm_te_clear_data(mvm, te_data); 4489e705c121SKalle Valo spin_unlock_bh(&mvm->time_event_lock); 4490e705c121SKalle Valo } 4491e705c121SKalle Valo 4492e705c121SKalle Valo return res; 4493e705c121SKalle Valo } 4494e705c121SKalle Valo 4495feebebaeSMiri Korenblit static int iwl_mvm_add_aux_sta_for_hs20(struct iwl_mvm *mvm, u32 lmac_id) 4496feebebaeSMiri Korenblit { 4497feebebaeSMiri Korenblit int ret = 0; 4498feebebaeSMiri Korenblit 4499feebebaeSMiri Korenblit lockdep_assert_held(&mvm->mutex); 4500feebebaeSMiri Korenblit 4501feebebaeSMiri Korenblit if (!fw_has_capa(&mvm->fw->ucode_capa, 4502feebebaeSMiri Korenblit IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT)) { 4503feebebaeSMiri Korenblit IWL_ERR(mvm, "hotspot not supported\n"); 4504feebebaeSMiri Korenblit return -EINVAL; 4505feebebaeSMiri Korenblit } 4506feebebaeSMiri Korenblit 4507feebebaeSMiri Korenblit if (iwl_fw_lookup_cmd_ver(mvm->fw, ADD_STA, 0) >= 12) { 4508feebebaeSMiri Korenblit ret = iwl_mvm_add_aux_sta(mvm, lmac_id); 4509feebebaeSMiri Korenblit WARN(ret, "Failed to allocate aux station"); 4510feebebaeSMiri Korenblit } 4511feebebaeSMiri Korenblit 4512feebebaeSMiri Korenblit return ret; 4513feebebaeSMiri Korenblit } 4514feebebaeSMiri Korenblit 4515feebebaeSMiri Korenblit static int iwl_mvm_roc_switch_binding(struct iwl_mvm *mvm, 4516feebebaeSMiri Korenblit struct ieee80211_vif *vif, 4517feebebaeSMiri Korenblit struct iwl_mvm_phy_ctxt *new_phy_ctxt) 4518feebebaeSMiri Korenblit { 4519feebebaeSMiri Korenblit struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4520feebebaeSMiri Korenblit int ret = 0; 4521feebebaeSMiri Korenblit 4522feebebaeSMiri Korenblit lockdep_assert_held(&mvm->mutex); 4523feebebaeSMiri Korenblit 4524feebebaeSMiri Korenblit /* Unbind the P2P_DEVICE from the current PHY context, 4525feebebaeSMiri Korenblit * and if the PHY context is not used remove it. 4526feebebaeSMiri Korenblit */ 4527feebebaeSMiri Korenblit ret = iwl_mvm_binding_remove_vif(mvm, vif); 4528feebebaeSMiri Korenblit if (WARN(ret, "Failed unbinding P2P_DEVICE\n")) 4529feebebaeSMiri Korenblit return ret; 4530feebebaeSMiri Korenblit 4531feebebaeSMiri Korenblit iwl_mvm_phy_ctxt_unref(mvm, mvmvif->deflink.phy_ctxt); 4532feebebaeSMiri Korenblit 4533feebebaeSMiri Korenblit /* Bind the P2P_DEVICE to the current PHY Context */ 4534feebebaeSMiri Korenblit mvmvif->deflink.phy_ctxt = new_phy_ctxt; 4535feebebaeSMiri Korenblit 4536feebebaeSMiri Korenblit ret = iwl_mvm_binding_add_vif(mvm, vif); 4537feebebaeSMiri Korenblit WARN(ret, "Failed binding P2P_DEVICE\n"); 4538feebebaeSMiri Korenblit return ret; 4539feebebaeSMiri Korenblit } 4540feebebaeSMiri Korenblit 4541e705c121SKalle Valo static int iwl_mvm_roc(struct ieee80211_hw *hw, 4542e705c121SKalle Valo struct ieee80211_vif *vif, 4543e705c121SKalle Valo struct ieee80211_channel *channel, 4544e705c121SKalle Valo int duration, 4545e705c121SKalle Valo enum ieee80211_roc_type type) 4546e705c121SKalle Valo { 4547fe8b2ad3SMiri Korenblit struct iwl_mvm_roc_ops ops = { 4548fe8b2ad3SMiri Korenblit .add_aux_sta_for_hs20 = iwl_mvm_add_aux_sta_for_hs20, 4549fe8b2ad3SMiri Korenblit .switch_phy_ctxt = iwl_mvm_roc_switch_binding, 4550fe8b2ad3SMiri Korenblit }; 4551fe8b2ad3SMiri Korenblit 4552fe8b2ad3SMiri Korenblit return iwl_mvm_roc_common(hw, vif, channel, duration, type, &ops); 4553fe8b2ad3SMiri Korenblit } 4554fe8b2ad3SMiri Korenblit 4555fe8b2ad3SMiri Korenblit /* Execute the common part for MLD and non-MLD modes */ 4556fe8b2ad3SMiri Korenblit int iwl_mvm_roc_common(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 4557fe8b2ad3SMiri Korenblit struct ieee80211_channel *channel, int duration, 4558fe8b2ad3SMiri Korenblit enum ieee80211_roc_type type, 4559fe8b2ad3SMiri Korenblit struct iwl_mvm_roc_ops *ops) 4560fe8b2ad3SMiri Korenblit { 4561e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4562e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4563e705c121SKalle Valo struct cfg80211_chan_def chandef; 4564e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt; 45658835a64fSJohannes Berg bool band_change_removal; 4566e705c121SKalle Valo int ret, i; 4567feebebaeSMiri Korenblit u32 lmac_id; 4568e705c121SKalle Valo 4569e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value, 4570e705c121SKalle Valo duration, type); 4571e705c121SKalle Valo 45729834781cSJohannes Berg /* 45739834781cSJohannes Berg * Flush the done work, just in case it's still pending, so that 45749834781cSJohannes Berg * the work it does can complete and we can accept new frames. 45759834781cSJohannes Berg */ 4576e705c121SKalle Valo flush_work(&mvm->roc_done_wk); 4577e705c121SKalle Valo 4578e705c121SKalle Valo mutex_lock(&mvm->mutex); 4579e705c121SKalle Valo 4580e705c121SKalle Valo switch (vif->type) { 4581e705c121SKalle Valo case NL80211_IFTYPE_STATION: 4582feebebaeSMiri Korenblit lmac_id = iwl_mvm_get_lmac_id(mvm->fw, channel->band); 45832c2c3647SNathan Errera 4584feebebaeSMiri Korenblit /* Use aux roc framework (HS20) */ 4585fe8b2ad3SMiri Korenblit ret = ops->add_aux_sta_for_hs20(mvm, lmac_id); 4586feebebaeSMiri Korenblit if (!ret) 4587e705c121SKalle Valo ret = iwl_mvm_send_aux_roc_cmd(mvm, channel, 4588e705c121SKalle Valo vif, duration); 4589e705c121SKalle Valo goto out_unlock; 4590e705c121SKalle Valo case NL80211_IFTYPE_P2P_DEVICE: 4591e705c121SKalle Valo /* handle below */ 4592e705c121SKalle Valo break; 4593e705c121SKalle Valo default: 4594e705c121SKalle Valo IWL_ERR(mvm, "vif isn't P2P_DEVICE: %d\n", vif->type); 4595e705c121SKalle Valo ret = -EINVAL; 4596e705c121SKalle Valo goto out_unlock; 4597e705c121SKalle Valo } 4598e705c121SKalle Valo 4599e705c121SKalle Valo for (i = 0; i < NUM_PHY_CTX; i++) { 4600e705c121SKalle Valo phy_ctxt = &mvm->phy_ctxts[i]; 4601650cadb7SGregory Greenman if (phy_ctxt->ref == 0 || mvmvif->deflink.phy_ctxt == phy_ctxt) 4602e705c121SKalle Valo continue; 4603e705c121SKalle Valo 4604e705c121SKalle Valo if (phy_ctxt->ref && channel == phy_ctxt->channel) { 4605fe8b2ad3SMiri Korenblit ret = ops->switch_phy_ctxt(mvm, vif, phy_ctxt); 4606feebebaeSMiri Korenblit if (ret) 4607e705c121SKalle Valo goto out_unlock; 4608e705c121SKalle Valo 4609650cadb7SGregory Greenman iwl_mvm_phy_ctxt_ref(mvm, mvmvif->deflink.phy_ctxt); 4610e705c121SKalle Valo goto schedule_time_event; 4611e705c121SKalle Valo } 4612e705c121SKalle Valo } 4613e705c121SKalle Valo 4614e705c121SKalle Valo /* Need to update the PHY context only if the ROC channel changed */ 4615650cadb7SGregory Greenman if (channel == mvmvif->deflink.phy_ctxt->channel) 4616e705c121SKalle Valo goto schedule_time_event; 4617e705c121SKalle Valo 4618e705c121SKalle Valo cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT); 4619e705c121SKalle Valo 4620e705c121SKalle Valo /* 46218835a64fSJohannes Berg * Check if the remain-on-channel is on a different band and that 46228835a64fSJohannes Berg * requires context removal, see iwl_mvm_phy_ctxt_changed(). If 46238835a64fSJohannes Berg * so, we'll need to release and then re-configure here, since we 46248835a64fSJohannes Berg * must not remove a PHY context that's part of a binding. 4625e705c121SKalle Valo */ 46268835a64fSJohannes Berg band_change_removal = 46278835a64fSJohannes Berg fw_has_capa(&mvm->fw->ucode_capa, 46288835a64fSJohannes Berg IWL_UCODE_TLV_CAPA_BINDING_CDB_SUPPORT) && 4629650cadb7SGregory Greenman mvmvif->deflink.phy_ctxt->channel->band != chandef.chan->band; 46308835a64fSJohannes Berg 4631650cadb7SGregory Greenman if (mvmvif->deflink.phy_ctxt->ref == 1 && !band_change_removal) { 46328835a64fSJohannes Berg /* 46338835a64fSJohannes Berg * Change the PHY context configuration as it is currently 46348835a64fSJohannes Berg * referenced only by the P2P Device MAC (and we can modify it) 46358835a64fSJohannes Berg */ 4636650cadb7SGregory Greenman ret = iwl_mvm_phy_ctxt_changed(mvm, mvmvif->deflink.phy_ctxt, 4637e705c121SKalle Valo &chandef, 1, 1); 4638e705c121SKalle Valo if (ret) 4639e705c121SKalle Valo goto out_unlock; 4640e705c121SKalle Valo } else { 4641e705c121SKalle Valo /* 46428835a64fSJohannes Berg * The PHY context is shared with other MACs (or we're trying to 46438835a64fSJohannes Berg * switch bands), so remove the P2P Device from the binding, 46448835a64fSJohannes Berg * allocate an new PHY context and create a new binding. 4645e705c121SKalle Valo */ 4646e705c121SKalle Valo phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 4647e705c121SKalle Valo if (!phy_ctxt) { 4648e705c121SKalle Valo ret = -ENOSPC; 4649e705c121SKalle Valo goto out_unlock; 4650e705c121SKalle Valo } 4651e705c121SKalle Valo 4652e705c121SKalle Valo ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &chandef, 4653e705c121SKalle Valo 1, 1); 4654e705c121SKalle Valo if (ret) { 4655e705c121SKalle Valo IWL_ERR(mvm, "Failed to change PHY context\n"); 4656e705c121SKalle Valo goto out_unlock; 4657e705c121SKalle Valo } 4658e705c121SKalle Valo 4659fe8b2ad3SMiri Korenblit ret = ops->switch_phy_ctxt(mvm, vif, phy_ctxt); 4660feebebaeSMiri Korenblit if (ret) 4661e705c121SKalle Valo goto out_unlock; 4662e705c121SKalle Valo 4663650cadb7SGregory Greenman iwl_mvm_phy_ctxt_ref(mvm, mvmvif->deflink.phy_ctxt); 4664e705c121SKalle Valo } 4665e705c121SKalle Valo 4666e705c121SKalle Valo schedule_time_event: 4667e705c121SKalle Valo /* Schedule the time events */ 4668e705c121SKalle Valo ret = iwl_mvm_start_p2p_roc(mvm, vif, duration, type); 4669e705c121SKalle Valo 4670e705c121SKalle Valo out_unlock: 4671e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4672e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "leave\n"); 4673e705c121SKalle Valo return ret; 4674e705c121SKalle Valo } 4675e705c121SKalle Valo 4676fe8b2ad3SMiri Korenblit int iwl_mvm_cancel_roc(struct ieee80211_hw *hw, 46775db4c4b9SEmmanuel Grumbach struct ieee80211_vif *vif) 4678e705c121SKalle Valo { 4679e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4680e705c121SKalle Valo 4681e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "enter\n"); 4682e705c121SKalle Valo 4683e705c121SKalle Valo mutex_lock(&mvm->mutex); 4684fe959c7bSEmmanuel Grumbach iwl_mvm_stop_roc(mvm, vif); 4685e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4686e705c121SKalle Valo 4687e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "leave\n"); 4688e705c121SKalle Valo return 0; 4689e705c121SKalle Valo } 4690e705c121SKalle Valo 4691b73f9a4aSJohannes Berg struct iwl_mvm_ftm_responder_iter_data { 4692b73f9a4aSJohannes Berg bool responder; 4693b73f9a4aSJohannes Berg struct ieee80211_chanctx_conf *ctx; 4694b73f9a4aSJohannes Berg }; 4695b73f9a4aSJohannes Berg 4696b73f9a4aSJohannes Berg static void iwl_mvm_ftm_responder_chanctx_iter(void *_data, u8 *mac, 4697b73f9a4aSJohannes Berg struct ieee80211_vif *vif) 4698b73f9a4aSJohannes Berg { 4699b73f9a4aSJohannes Berg struct iwl_mvm_ftm_responder_iter_data *data = _data; 4700b73f9a4aSJohannes Berg 4701d0a9123eSJohannes Berg if (rcu_access_pointer(vif->bss_conf.chanctx_conf) == data->ctx && 4702b73f9a4aSJohannes Berg vif->type == NL80211_IFTYPE_AP && vif->bss_conf.ftmr_params) 4703b73f9a4aSJohannes Berg data->responder = true; 4704b73f9a4aSJohannes Berg } 4705b73f9a4aSJohannes Berg 4706b73f9a4aSJohannes Berg static bool iwl_mvm_is_ftm_responder_chanctx(struct iwl_mvm *mvm, 4707b73f9a4aSJohannes Berg struct ieee80211_chanctx_conf *ctx) 4708b73f9a4aSJohannes Berg { 4709b73f9a4aSJohannes Berg struct iwl_mvm_ftm_responder_iter_data data = { 4710b73f9a4aSJohannes Berg .responder = false, 4711b73f9a4aSJohannes Berg .ctx = ctx, 4712b73f9a4aSJohannes Berg }; 4713b73f9a4aSJohannes Berg 4714b73f9a4aSJohannes Berg ieee80211_iterate_active_interfaces_atomic(mvm->hw, 4715b73f9a4aSJohannes Berg IEEE80211_IFACE_ITER_NORMAL, 4716b73f9a4aSJohannes Berg iwl_mvm_ftm_responder_chanctx_iter, 4717b73f9a4aSJohannes Berg &data); 4718b73f9a4aSJohannes Berg return data.responder; 4719b73f9a4aSJohannes Berg } 4720b73f9a4aSJohannes Berg 4721e705c121SKalle Valo static int __iwl_mvm_add_chanctx(struct iwl_mvm *mvm, 4722e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 4723e705c121SKalle Valo { 4724e705c121SKalle Valo u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 4725e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt; 4726b73f9a4aSJohannes Berg bool responder = iwl_mvm_is_ftm_responder_chanctx(mvm, ctx); 4727b73f9a4aSJohannes Berg struct cfg80211_chan_def *def = responder ? &ctx->def : &ctx->min_def; 4728e705c121SKalle Valo int ret; 4729e705c121SKalle Valo 4730e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 4731e705c121SKalle Valo 4732e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "Add channel context\n"); 4733e705c121SKalle Valo 4734e705c121SKalle Valo phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 4735e705c121SKalle Valo if (!phy_ctxt) { 4736e705c121SKalle Valo ret = -ENOSPC; 4737e705c121SKalle Valo goto out; 4738e705c121SKalle Valo } 4739e705c121SKalle Valo 4740b73f9a4aSJohannes Berg ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, def, 4741e705c121SKalle Valo ctx->rx_chains_static, 4742e705c121SKalle Valo ctx->rx_chains_dynamic); 4743e705c121SKalle Valo if (ret) { 4744e705c121SKalle Valo IWL_ERR(mvm, "Failed to add PHY context\n"); 4745e705c121SKalle Valo goto out; 4746e705c121SKalle Valo } 4747e705c121SKalle Valo 4748e705c121SKalle Valo iwl_mvm_phy_ctxt_ref(mvm, phy_ctxt); 4749e705c121SKalle Valo *phy_ctxt_id = phy_ctxt->id; 4750e705c121SKalle Valo out: 4751e705c121SKalle Valo return ret; 4752e705c121SKalle Valo } 4753e705c121SKalle Valo 4754cbce62a3SMiri Korenblit int iwl_mvm_add_chanctx(struct ieee80211_hw *hw, 4755e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 4756e705c121SKalle Valo { 4757e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4758e705c121SKalle Valo int ret; 4759e705c121SKalle Valo 4760e705c121SKalle Valo mutex_lock(&mvm->mutex); 4761e705c121SKalle Valo ret = __iwl_mvm_add_chanctx(mvm, ctx); 4762e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4763e705c121SKalle Valo 4764e705c121SKalle Valo return ret; 4765e705c121SKalle Valo } 4766e705c121SKalle Valo 4767e705c121SKalle Valo static void __iwl_mvm_remove_chanctx(struct iwl_mvm *mvm, 4768e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 4769e705c121SKalle Valo { 4770e705c121SKalle Valo u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 4771e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 4772e705c121SKalle Valo 4773e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 4774e705c121SKalle Valo 4775e705c121SKalle Valo iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt); 4776e705c121SKalle Valo } 4777e705c121SKalle Valo 4778cbce62a3SMiri Korenblit void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw, 4779e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 4780e705c121SKalle Valo { 4781e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4782e705c121SKalle Valo 4783e705c121SKalle Valo mutex_lock(&mvm->mutex); 4784e705c121SKalle Valo __iwl_mvm_remove_chanctx(mvm, ctx); 4785e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4786e705c121SKalle Valo } 4787e705c121SKalle Valo 4788cbce62a3SMiri Korenblit void iwl_mvm_change_chanctx(struct ieee80211_hw *hw, 4789cbce62a3SMiri Korenblit struct ieee80211_chanctx_conf *ctx, u32 changed) 4790e705c121SKalle Valo { 4791e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4792e705c121SKalle Valo u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 4793e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 4794b73f9a4aSJohannes Berg bool responder = iwl_mvm_is_ftm_responder_chanctx(mvm, ctx); 4795b73f9a4aSJohannes Berg struct cfg80211_chan_def *def = responder ? &ctx->def : &ctx->min_def; 4796e705c121SKalle Valo 4797e705c121SKalle Valo if (WARN_ONCE((phy_ctxt->ref > 1) && 4798e705c121SKalle Valo (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH | 4799e705c121SKalle Valo IEEE80211_CHANCTX_CHANGE_RX_CHAINS | 4800e705c121SKalle Valo IEEE80211_CHANCTX_CHANGE_RADAR | 4801e705c121SKalle Valo IEEE80211_CHANCTX_CHANGE_MIN_WIDTH)), 4802e705c121SKalle Valo "Cannot change PHY. Ref=%d, changed=0x%X\n", 4803e705c121SKalle Valo phy_ctxt->ref, changed)) 4804e705c121SKalle Valo return; 4805e705c121SKalle Valo 4806e705c121SKalle Valo mutex_lock(&mvm->mutex); 48077a20bcceSEmmanuel Grumbach 48087a20bcceSEmmanuel Grumbach /* we are only changing the min_width, may be a noop */ 48097a20bcceSEmmanuel Grumbach if (changed == IEEE80211_CHANCTX_CHANGE_MIN_WIDTH) { 4810b73f9a4aSJohannes Berg if (phy_ctxt->width == def->width) 48117a20bcceSEmmanuel Grumbach goto out_unlock; 48127a20bcceSEmmanuel Grumbach 48137a20bcceSEmmanuel Grumbach /* we are just toggling between 20_NOHT and 20 */ 48147a20bcceSEmmanuel Grumbach if (phy_ctxt->width <= NL80211_CHAN_WIDTH_20 && 4815b73f9a4aSJohannes Berg def->width <= NL80211_CHAN_WIDTH_20) 48167a20bcceSEmmanuel Grumbach goto out_unlock; 48177a20bcceSEmmanuel Grumbach } 48187a20bcceSEmmanuel Grumbach 4819e705c121SKalle Valo iwl_mvm_bt_coex_vif_change(mvm); 4820b73f9a4aSJohannes Berg iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, def, 4821e705c121SKalle Valo ctx->rx_chains_static, 4822e705c121SKalle Valo ctx->rx_chains_dynamic); 48237a20bcceSEmmanuel Grumbach 48247a20bcceSEmmanuel Grumbach out_unlock: 4825e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4826e705c121SKalle Valo } 4827e705c121SKalle Valo 48288a919a78SMiri Korenblit /* 48298a919a78SMiri Korenblit * This function executes the common part for MLD and non-MLD modes. 48308a919a78SMiri Korenblit * 48318a919a78SMiri Korenblit * Returns true if we're done assigning the chanctx 48328a919a78SMiri Korenblit * (either on failure or success) 48338a919a78SMiri Korenblit */ 48344263ac7fSGregory Greenman static bool 48354263ac7fSGregory Greenman __iwl_mvm_assign_vif_chanctx_common(struct iwl_mvm *mvm, 4836e705c121SKalle Valo struct ieee80211_vif *vif, 4837e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx, 483850e81437SMiri Korenblit bool switching_chanctx, int *ret) 4839e705c121SKalle Valo { 4840e705c121SKalle Valo u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 4841e705c121SKalle Valo struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 4842e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4843e705c121SKalle Valo 4844e705c121SKalle Valo lockdep_assert_held(&mvm->mutex); 4845e705c121SKalle Valo 4846650cadb7SGregory Greenman mvmvif->deflink.phy_ctxt = phy_ctxt; 4847e705c121SKalle Valo 4848e705c121SKalle Valo switch (vif->type) { 4849e705c121SKalle Valo case NL80211_IFTYPE_AP: 4850e705c121SKalle Valo /* only needed if we're switching chanctx (i.e. during CSA) */ 4851e705c121SKalle Valo if (switching_chanctx) { 4852e705c121SKalle Valo mvmvif->ap_ibss_active = true; 4853e705c121SKalle Valo break; 4854e705c121SKalle Valo } 48555a2abdcaSGustavo A. R. Silva fallthrough; 4856e705c121SKalle Valo case NL80211_IFTYPE_ADHOC: 4857e705c121SKalle Valo /* 4858e705c121SKalle Valo * The AP binding flow is handled as part of the start_ap flow 4859e705c121SKalle Valo * (in bss_info_changed), similarly for IBSS. 4860e705c121SKalle Valo */ 48618a919a78SMiri Korenblit *ret = 0; 48628a919a78SMiri Korenblit return true; 4863e705c121SKalle Valo case NL80211_IFTYPE_STATION: 4864e705c121SKalle Valo break; 4865e705c121SKalle Valo case NL80211_IFTYPE_MONITOR: 4866e705c121SKalle Valo /* always disable PS when a monitor interface is active */ 4867e705c121SKalle Valo mvmvif->ps_disabled = true; 4868e705c121SKalle Valo break; 4869e705c121SKalle Valo default: 48708a919a78SMiri Korenblit *ret = -EINVAL; 48718a919a78SMiri Korenblit return true; 4872e705c121SKalle Valo } 48738a919a78SMiri Korenblit return false; 48748a919a78SMiri Korenblit } 48758a919a78SMiri Korenblit 48768a919a78SMiri Korenblit static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm, 48778a919a78SMiri Korenblit struct ieee80211_vif *vif, 48784263ac7fSGregory Greenman struct ieee80211_bss_conf *link_conf, 48798a919a78SMiri Korenblit struct ieee80211_chanctx_conf *ctx, 48808a919a78SMiri Korenblit bool switching_chanctx) 48818a919a78SMiri Korenblit { 48828a919a78SMiri Korenblit struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 48838a919a78SMiri Korenblit int ret; 48848a919a78SMiri Korenblit 48854263ac7fSGregory Greenman if (WARN_ON(!link_conf)) 48864263ac7fSGregory Greenman return -EINVAL; 48874263ac7fSGregory Greenman 48888a919a78SMiri Korenblit if (__iwl_mvm_assign_vif_chanctx_common(mvm, vif, ctx, 48898a919a78SMiri Korenblit switching_chanctx, &ret)) 48908a919a78SMiri Korenblit goto out; 4891e705c121SKalle Valo 4892e705c121SKalle Valo ret = iwl_mvm_binding_add_vif(mvm, vif); 4893e705c121SKalle Valo if (ret) 4894e705c121SKalle Valo goto out; 4895e705c121SKalle Valo 4896e705c121SKalle Valo /* 4897e705c121SKalle Valo * Power state must be updated before quotas, 4898e705c121SKalle Valo * otherwise fw will complain. 4899e705c121SKalle Valo */ 4900e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 4901e705c121SKalle Valo 4902e705c121SKalle Valo /* Setting the quota at this stage is only required for monitor 4903e705c121SKalle Valo * interfaces. For the other types, the bss_info changed flow 4904e705c121SKalle Valo * will handle quota settings. 4905e705c121SKalle Valo */ 4906e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_MONITOR) { 4907e705c121SKalle Valo mvmvif->monitor_active = true; 4908e705c121SKalle Valo ret = iwl_mvm_update_quotas(mvm, false, NULL); 4909e705c121SKalle Valo if (ret) 4910e705c121SKalle Valo goto out_remove_binding; 49110e39eb03SChaya Rachel Ivgi 49120e39eb03SChaya Rachel Ivgi ret = iwl_mvm_add_snif_sta(mvm, vif); 49130e39eb03SChaya Rachel Ivgi if (ret) 49140e39eb03SChaya Rachel Ivgi goto out_remove_binding; 49150e39eb03SChaya Rachel Ivgi 4916e705c121SKalle Valo } 4917e705c121SKalle Valo 4918e705c121SKalle Valo /* Handle binding during CSA */ 4919e705c121SKalle Valo if (vif->type == NL80211_IFTYPE_AP) { 4920e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, NULL); 4921e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 4922e705c121SKalle Valo } 4923e705c121SKalle Valo 49248a919a78SMiri Korenblit if (vif->type == NL80211_IFTYPE_STATION) { 49258a919a78SMiri Korenblit if (!switching_chanctx) { 49268a919a78SMiri Korenblit mvmvif->csa_bcn_pending = false; 49278a919a78SMiri Korenblit goto out; 49288a919a78SMiri Korenblit } 49298a919a78SMiri Korenblit 493074a10252SSara Sharon mvmvif->csa_bcn_pending = true; 493174a10252SSara Sharon 493274a10252SSara Sharon if (!fw_has_capa(&mvm->fw->ucode_capa, 493374a10252SSara Sharon IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 493419125cb0SAndrei Otcheretianski u32 duration = 3 * vif->bss_conf.beacon_int; 4935e705c121SKalle Valo 4936e705c121SKalle Valo /* Protect the session to make sure we hear the first 4937e705c121SKalle Valo * beacon on the new channel. 4938e705c121SKalle Valo */ 4939e705c121SKalle Valo iwl_mvm_protect_session(mvm, vif, duration, duration, 4940e705c121SKalle Valo vif->bss_conf.beacon_int / 2, 4941e705c121SKalle Valo true); 494274a10252SSara Sharon } 4943e705c121SKalle Valo 4944e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, NULL); 4945e705c121SKalle Valo } 4946e705c121SKalle Valo 4947e705c121SKalle Valo goto out; 4948e705c121SKalle Valo 4949e705c121SKalle Valo out_remove_binding: 4950e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 4951e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 4952e705c121SKalle Valo out: 4953e705c121SKalle Valo if (ret) 4954650cadb7SGregory Greenman mvmvif->deflink.phy_ctxt = NULL; 4955e705c121SKalle Valo return ret; 4956e705c121SKalle Valo } 49578a919a78SMiri Korenblit 4958e705c121SKalle Valo static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw, 4959e705c121SKalle Valo struct ieee80211_vif *vif, 4960727eff4dSGregory Greenman struct ieee80211_bss_conf *link_conf, 4961e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 4962e705c121SKalle Valo { 4963e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4964e705c121SKalle Valo int ret; 4965e705c121SKalle Valo 4966e705c121SKalle Valo mutex_lock(&mvm->mutex); 49674263ac7fSGregory Greenman ret = __iwl_mvm_assign_vif_chanctx(mvm, vif, link_conf, ctx, false); 4968e705c121SKalle Valo mutex_unlock(&mvm->mutex); 4969e705c121SKalle Valo 4970e705c121SKalle Valo return ret; 4971e705c121SKalle Valo } 4972e705c121SKalle Valo 4973daddfae5SMiri Korenblit /* 4974daddfae5SMiri Korenblit * This function executes the common part for MLD and non-MLD modes. 4975daddfae5SMiri Korenblit * 4976daddfae5SMiri Korenblit * Returns if chanctx unassign chanctx is done 4977daddfae5SMiri Korenblit * (either on failure or success) 4978daddfae5SMiri Korenblit */ 49794263ac7fSGregory Greenman static bool __iwl_mvm_unassign_vif_chanctx_common(struct iwl_mvm *mvm, 4980daddfae5SMiri Korenblit struct ieee80211_vif *vif, 4981daddfae5SMiri Korenblit bool switching_chanctx) 4982daddfae5SMiri Korenblit { 4983daddfae5SMiri Korenblit struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4984daddfae5SMiri Korenblit 4985daddfae5SMiri Korenblit lockdep_assert_held(&mvm->mutex); 4986650cadb7SGregory Greenman iwl_mvm_remove_time_event(mvm, mvmvif, 4987650cadb7SGregory Greenman &mvmvif->time_event_data); 4988daddfae5SMiri Korenblit 4989daddfae5SMiri Korenblit switch (vif->type) { 4990daddfae5SMiri Korenblit case NL80211_IFTYPE_ADHOC: 4991daddfae5SMiri Korenblit return true; 4992daddfae5SMiri Korenblit case NL80211_IFTYPE_MONITOR: 4993daddfae5SMiri Korenblit mvmvif->monitor_active = false; 4994daddfae5SMiri Korenblit mvmvif->ps_disabled = false; 4995daddfae5SMiri Korenblit break; 4996daddfae5SMiri Korenblit case NL80211_IFTYPE_AP: 4997daddfae5SMiri Korenblit /* This part is triggered only during CSA */ 4998daddfae5SMiri Korenblit if (!switching_chanctx || !mvmvif->ap_ibss_active) 4999daddfae5SMiri Korenblit return true; 5000daddfae5SMiri Korenblit 5001daddfae5SMiri Korenblit mvmvif->csa_countdown = false; 5002daddfae5SMiri Korenblit 500356f4f12bSMiri Korenblit /* Set CS bit on all the stations */ 500456f4f12bSMiri Korenblit iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, true); 500556f4f12bSMiri Korenblit 5006daddfae5SMiri Korenblit /* Save blocked iface, the timeout is set on the next beacon */ 5007daddfae5SMiri Korenblit rcu_assign_pointer(mvm->csa_tx_blocked_vif, vif); 5008daddfae5SMiri Korenblit 5009daddfae5SMiri Korenblit mvmvif->ap_ibss_active = false; 5010daddfae5SMiri Korenblit break; 5011daddfae5SMiri Korenblit default: 5012daddfae5SMiri Korenblit break; 5013daddfae5SMiri Korenblit } 5014daddfae5SMiri Korenblit return false; 5015daddfae5SMiri Korenblit } 5016daddfae5SMiri Korenblit 5017e705c121SKalle Valo static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm, 5018e705c121SKalle Valo struct ieee80211_vif *vif, 50194263ac7fSGregory Greenman struct ieee80211_bss_conf *link_conf, 5020e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx, 5021e705c121SKalle Valo bool switching_chanctx) 5022e705c121SKalle Valo { 5023e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5024e705c121SKalle Valo struct ieee80211_vif *disabled_vif = NULL; 5025e705c121SKalle Valo 5026daddfae5SMiri Korenblit if (__iwl_mvm_unassign_vif_chanctx_common(mvm, vif, switching_chanctx)) 5027e705c121SKalle Valo goto out; 5028daddfae5SMiri Korenblit 5029daddfae5SMiri Korenblit if (vif->type == NL80211_IFTYPE_MONITOR) 50300e39eb03SChaya Rachel Ivgi iwl_mvm_rm_snif_sta(mvm, vif); 5031e705c121SKalle Valo 5032e705c121SKalle Valo 5033daddfae5SMiri Korenblit if (vif->type == NL80211_IFTYPE_STATION && switching_chanctx) { 5034e705c121SKalle Valo disabled_vif = vif; 503574a10252SSara Sharon if (!fw_has_capa(&mvm->fw->ucode_capa, 503674a10252SSara Sharon IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) 5037e705c121SKalle Valo iwl_mvm_mac_ctxt_changed(mvm, vif, true, NULL); 5038e705c121SKalle Valo } 5039e705c121SKalle Valo 5040e705c121SKalle Valo iwl_mvm_update_quotas(mvm, false, disabled_vif); 5041e705c121SKalle Valo iwl_mvm_binding_remove_vif(mvm, vif); 5042e705c121SKalle Valo 5043e705c121SKalle Valo out: 5044bf544e9aSSara Sharon if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD) && 5045bf544e9aSSara Sharon switching_chanctx) 5046bf544e9aSSara Sharon return; 5047650cadb7SGregory Greenman mvmvif->deflink.phy_ctxt = NULL; 5048e705c121SKalle Valo iwl_mvm_power_update_mac(mvm); 5049e705c121SKalle Valo } 5050e705c121SKalle Valo 5051e705c121SKalle Valo static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw, 5052e705c121SKalle Valo struct ieee80211_vif *vif, 5053727eff4dSGregory Greenman struct ieee80211_bss_conf *link_conf, 5054e705c121SKalle Valo struct ieee80211_chanctx_conf *ctx) 5055e705c121SKalle Valo { 5056e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5057e705c121SKalle Valo 5058e705c121SKalle Valo mutex_lock(&mvm->mutex); 50594263ac7fSGregory Greenman __iwl_mvm_unassign_vif_chanctx(mvm, vif, link_conf, ctx, false); 5060e705c121SKalle Valo mutex_unlock(&mvm->mutex); 5061e705c121SKalle Valo } 5062e705c121SKalle Valo 5063e705c121SKalle Valo static int 5064e705c121SKalle Valo iwl_mvm_switch_vif_chanctx_swap(struct iwl_mvm *mvm, 5065660eba5aSMiri Korenblit struct ieee80211_vif_chanctx_switch *vifs, 5066660eba5aSMiri Korenblit struct iwl_mvm_switch_vif_chanctx_ops *ops) 5067e705c121SKalle Valo { 5068e705c121SKalle Valo int ret; 5069e705c121SKalle Valo 5070e705c121SKalle Valo mutex_lock(&mvm->mutex); 50714263ac7fSGregory Greenman ops->__unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 50724263ac7fSGregory Greenman vifs[0].old_ctx, true); 5073e705c121SKalle Valo __iwl_mvm_remove_chanctx(mvm, vifs[0].old_ctx); 5074e705c121SKalle Valo 5075e705c121SKalle Valo ret = __iwl_mvm_add_chanctx(mvm, vifs[0].new_ctx); 5076e705c121SKalle Valo if (ret) { 5077e705c121SKalle Valo IWL_ERR(mvm, "failed to add new_ctx during channel switch\n"); 5078e705c121SKalle Valo goto out_reassign; 5079e705c121SKalle Valo } 5080e705c121SKalle Valo 50814263ac7fSGregory Greenman ret = ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 50824263ac7fSGregory Greenman vifs[0].new_ctx, true); 5083e705c121SKalle Valo if (ret) { 5084e705c121SKalle Valo IWL_ERR(mvm, 5085e705c121SKalle Valo "failed to assign new_ctx during channel switch\n"); 5086e705c121SKalle Valo goto out_remove; 5087e705c121SKalle Valo } 5088e705c121SKalle Valo 5089e705c121SKalle Valo /* we don't support TDLS during DCM - can be caused by channel switch */ 5090e705c121SKalle Valo if (iwl_mvm_phy_ctx_count(mvm) > 1) 5091e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 5092e705c121SKalle Valo 5093e705c121SKalle Valo goto out; 5094e705c121SKalle Valo 5095e705c121SKalle Valo out_remove: 5096e705c121SKalle Valo __iwl_mvm_remove_chanctx(mvm, vifs[0].new_ctx); 5097e705c121SKalle Valo 5098e705c121SKalle Valo out_reassign: 5099e705c121SKalle Valo if (__iwl_mvm_add_chanctx(mvm, vifs[0].old_ctx)) { 5100e705c121SKalle Valo IWL_ERR(mvm, "failed to add old_ctx back after failure.\n"); 5101e705c121SKalle Valo goto out_restart; 5102e705c121SKalle Valo } 5103e705c121SKalle Valo 51044263ac7fSGregory Greenman if (ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 51054263ac7fSGregory Greenman vifs[0].old_ctx, true)) { 5106e705c121SKalle Valo IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); 5107e705c121SKalle Valo goto out_restart; 5108e705c121SKalle Valo } 5109e705c121SKalle Valo 5110e705c121SKalle Valo goto out; 5111e705c121SKalle Valo 5112e705c121SKalle Valo out_restart: 5113e705c121SKalle Valo /* things keep failing, better restart the hw */ 5114e705c121SKalle Valo iwl_mvm_nic_restart(mvm, false); 5115e705c121SKalle Valo 5116e705c121SKalle Valo out: 5117e705c121SKalle Valo mutex_unlock(&mvm->mutex); 5118e705c121SKalle Valo 5119e705c121SKalle Valo return ret; 5120e705c121SKalle Valo } 5121e705c121SKalle Valo 5122e705c121SKalle Valo static int 5123e705c121SKalle Valo iwl_mvm_switch_vif_chanctx_reassign(struct iwl_mvm *mvm, 5124660eba5aSMiri Korenblit struct ieee80211_vif_chanctx_switch *vifs, 5125660eba5aSMiri Korenblit struct iwl_mvm_switch_vif_chanctx_ops *ops) 5126e705c121SKalle Valo { 5127e705c121SKalle Valo int ret; 5128e705c121SKalle Valo 5129e705c121SKalle Valo mutex_lock(&mvm->mutex); 51304263ac7fSGregory Greenman ops->__unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 51314263ac7fSGregory Greenman vifs[0].old_ctx, true); 5132e705c121SKalle Valo 51334263ac7fSGregory Greenman ret = ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 51344263ac7fSGregory Greenman vifs[0].new_ctx, true); 5135e705c121SKalle Valo if (ret) { 5136e705c121SKalle Valo IWL_ERR(mvm, 5137e705c121SKalle Valo "failed to assign new_ctx during channel switch\n"); 5138e705c121SKalle Valo goto out_reassign; 5139e705c121SKalle Valo } 5140e705c121SKalle Valo 5141e705c121SKalle Valo goto out; 5142e705c121SKalle Valo 5143e705c121SKalle Valo out_reassign: 51444263ac7fSGregory Greenman if (ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 51454263ac7fSGregory Greenman vifs[0].old_ctx, true)) { 5146e705c121SKalle Valo IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); 5147e705c121SKalle Valo goto out_restart; 5148e705c121SKalle Valo } 5149e705c121SKalle Valo 5150e705c121SKalle Valo goto out; 5151e705c121SKalle Valo 5152e705c121SKalle Valo out_restart: 5153e705c121SKalle Valo /* things keep failing, better restart the hw */ 5154e705c121SKalle Valo iwl_mvm_nic_restart(mvm, false); 5155e705c121SKalle Valo 5156e705c121SKalle Valo out: 5157e705c121SKalle Valo mutex_unlock(&mvm->mutex); 5158e705c121SKalle Valo 5159e705c121SKalle Valo return ret; 5160e705c121SKalle Valo } 5161e705c121SKalle Valo 5162660eba5aSMiri Korenblit /* Execute the common part for both MLD and non-MLD modes */ 5163660eba5aSMiri Korenblit int 5164660eba5aSMiri Korenblit iwl_mvm_switch_vif_chanctx_common(struct ieee80211_hw *hw, 5165e705c121SKalle Valo struct ieee80211_vif_chanctx_switch *vifs, 5166e705c121SKalle Valo int n_vifs, 5167660eba5aSMiri Korenblit enum ieee80211_chanctx_switch_mode mode, 5168660eba5aSMiri Korenblit struct iwl_mvm_switch_vif_chanctx_ops *ops) 5169e705c121SKalle Valo { 5170e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5171e705c121SKalle Valo int ret; 5172e705c121SKalle Valo 5173e705c121SKalle Valo /* we only support a single-vif right now */ 5174e705c121SKalle Valo if (n_vifs > 1) 5175e705c121SKalle Valo return -EOPNOTSUPP; 5176e705c121SKalle Valo 5177e705c121SKalle Valo switch (mode) { 5178e705c121SKalle Valo case CHANCTX_SWMODE_SWAP_CONTEXTS: 5179660eba5aSMiri Korenblit ret = iwl_mvm_switch_vif_chanctx_swap(mvm, vifs, ops); 5180e705c121SKalle Valo break; 5181e705c121SKalle Valo case CHANCTX_SWMODE_REASSIGN_VIF: 5182660eba5aSMiri Korenblit ret = iwl_mvm_switch_vif_chanctx_reassign(mvm, vifs, ops); 5183e705c121SKalle Valo break; 5184e705c121SKalle Valo default: 5185e705c121SKalle Valo ret = -EOPNOTSUPP; 5186e705c121SKalle Valo break; 5187e705c121SKalle Valo } 5188e705c121SKalle Valo 5189e705c121SKalle Valo return ret; 5190e705c121SKalle Valo } 5191e705c121SKalle Valo 5192660eba5aSMiri Korenblit static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw *hw, 5193660eba5aSMiri Korenblit struct ieee80211_vif_chanctx_switch *vifs, 5194660eba5aSMiri Korenblit int n_vifs, 5195660eba5aSMiri Korenblit enum ieee80211_chanctx_switch_mode mode) 5196660eba5aSMiri Korenblit { 5197660eba5aSMiri Korenblit struct iwl_mvm_switch_vif_chanctx_ops ops = { 5198660eba5aSMiri Korenblit .__assign_vif_chanctx = __iwl_mvm_assign_vif_chanctx, 5199660eba5aSMiri Korenblit .__unassign_vif_chanctx = __iwl_mvm_unassign_vif_chanctx, 5200660eba5aSMiri Korenblit }; 5201660eba5aSMiri Korenblit 5202660eba5aSMiri Korenblit return iwl_mvm_switch_vif_chanctx_common(hw, vifs, n_vifs, mode, &ops); 5203660eba5aSMiri Korenblit } 5204660eba5aSMiri Korenblit 5205cbce62a3SMiri Korenblit int iwl_mvm_tx_last_beacon(struct ieee80211_hw *hw) 52062f0282dbSJohannes Berg { 52072f0282dbSJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 52082f0282dbSJohannes Berg 52092f0282dbSJohannes Berg return mvm->ibss_manager; 52102f0282dbSJohannes Berg } 52112f0282dbSJohannes Berg 5212cbce62a3SMiri Korenblit int iwl_mvm_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, 5213e705c121SKalle Valo bool set) 5214e705c121SKalle Valo { 5215e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5216e705c121SKalle Valo struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 5217e705c121SKalle Valo 5218e705c121SKalle Valo if (!mvm_sta || !mvm_sta->vif) { 5219e705c121SKalle Valo IWL_ERR(mvm, "Station is not associated to a vif\n"); 5220e705c121SKalle Valo return -EINVAL; 5221e705c121SKalle Valo } 5222e705c121SKalle Valo 522336cf5377SGregory Greenman return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif, 522436cf5377SGregory Greenman &mvm_sta->vif->bss_conf); 5225e705c121SKalle Valo } 5226e705c121SKalle Valo 5227e705c121SKalle Valo #ifdef CONFIG_NL80211_TESTMODE 5228e705c121SKalle Valo static const struct nla_policy iwl_mvm_tm_policy[IWL_MVM_TM_ATTR_MAX + 1] = { 5229e705c121SKalle Valo [IWL_MVM_TM_ATTR_CMD] = { .type = NLA_U32 }, 5230e705c121SKalle Valo [IWL_MVM_TM_ATTR_NOA_DURATION] = { .type = NLA_U32 }, 5231e705c121SKalle Valo [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE] = { .type = NLA_U32 }, 5232e705c121SKalle Valo }; 5233e705c121SKalle Valo 5234e705c121SKalle Valo static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm, 5235e705c121SKalle Valo struct ieee80211_vif *vif, 5236e705c121SKalle Valo void *data, int len) 5237e705c121SKalle Valo { 5238e705c121SKalle Valo struct nlattr *tb[IWL_MVM_TM_ATTR_MAX + 1]; 5239e705c121SKalle Valo int err; 5240e705c121SKalle Valo u32 noa_duration; 5241e705c121SKalle Valo 52428cb08174SJohannes Berg err = nla_parse_deprecated(tb, IWL_MVM_TM_ATTR_MAX, data, len, 52438cb08174SJohannes Berg iwl_mvm_tm_policy, NULL); 5244e705c121SKalle Valo if (err) 5245e705c121SKalle Valo return err; 5246e705c121SKalle Valo 5247e705c121SKalle Valo if (!tb[IWL_MVM_TM_ATTR_CMD]) 5248e705c121SKalle Valo return -EINVAL; 5249e705c121SKalle Valo 5250e705c121SKalle Valo switch (nla_get_u32(tb[IWL_MVM_TM_ATTR_CMD])) { 5251e705c121SKalle Valo case IWL_MVM_TM_CMD_SET_NOA: 5252e705c121SKalle Valo if (!vif || vif->type != NL80211_IFTYPE_AP || !vif->p2p || 5253e705c121SKalle Valo !vif->bss_conf.enable_beacon || 5254e705c121SKalle Valo !tb[IWL_MVM_TM_ATTR_NOA_DURATION]) 5255e705c121SKalle Valo return -EINVAL; 5256e705c121SKalle Valo 5257e705c121SKalle Valo noa_duration = nla_get_u32(tb[IWL_MVM_TM_ATTR_NOA_DURATION]); 5258e705c121SKalle Valo if (noa_duration >= vif->bss_conf.beacon_int) 5259e705c121SKalle Valo return -EINVAL; 5260e705c121SKalle Valo 5261e705c121SKalle Valo mvm->noa_duration = noa_duration; 5262e705c121SKalle Valo mvm->noa_vif = vif; 5263e705c121SKalle Valo 526422b21041SShaul Triebitz return iwl_mvm_update_quotas(mvm, true, NULL); 5265e705c121SKalle Valo case IWL_MVM_TM_CMD_SET_BEACON_FILTER: 5266e705c121SKalle Valo /* must be associated client vif - ignore authorized */ 5267e705c121SKalle Valo if (!vif || vif->type != NL80211_IFTYPE_STATION || 5268f276e20bSJohannes Berg !vif->cfg.assoc || !vif->bss_conf.dtim_period || 5269e705c121SKalle Valo !tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE]) 5270e705c121SKalle Valo return -EINVAL; 5271e705c121SKalle Valo 5272e705c121SKalle Valo if (nla_get_u32(tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE])) 5273e705c121SKalle Valo return iwl_mvm_enable_beacon_filter(mvm, vif, 0); 5274e705c121SKalle Valo return iwl_mvm_disable_beacon_filter(mvm, vif, 0); 5275e705c121SKalle Valo } 5276e705c121SKalle Valo 5277e705c121SKalle Valo return -EOPNOTSUPP; 5278e705c121SKalle Valo } 5279e705c121SKalle Valo 5280cbce62a3SMiri Korenblit int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw *hw, 5281e705c121SKalle Valo struct ieee80211_vif *vif, 5282e705c121SKalle Valo void *data, int len) 5283e705c121SKalle Valo { 5284e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5285e705c121SKalle Valo int err; 5286e705c121SKalle Valo 5287e705c121SKalle Valo mutex_lock(&mvm->mutex); 5288e705c121SKalle Valo err = __iwl_mvm_mac_testmode_cmd(mvm, vif, data, len); 5289e705c121SKalle Valo mutex_unlock(&mvm->mutex); 5290e705c121SKalle Valo 5291e705c121SKalle Valo return err; 5292e705c121SKalle Valo } 5293e705c121SKalle Valo #endif 5294e705c121SKalle Valo 5295cbce62a3SMiri Korenblit void iwl_mvm_channel_switch(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 5296e705c121SKalle Valo struct ieee80211_channel_switch *chsw) 5297e705c121SKalle Valo { 5298e705c121SKalle Valo /* By implementing this operation, we prevent mac80211 from 5299e705c121SKalle Valo * starting its own channel switch timer, so that we can call 5300e705c121SKalle Valo * ieee80211_chswitch_done() ourselves at the right time 5301e705c121SKalle Valo * (which is when the absence time event starts). 5302e705c121SKalle Valo */ 5303e705c121SKalle Valo 5304e705c121SKalle Valo IWL_DEBUG_MAC80211(IWL_MAC80211_GET_MVM(hw), 5305e705c121SKalle Valo "dummy channel switch op\n"); 5306e705c121SKalle Valo } 5307e705c121SKalle Valo 530874a10252SSara Sharon static int iwl_mvm_schedule_client_csa(struct iwl_mvm *mvm, 530974a10252SSara Sharon struct ieee80211_vif *vif, 531074a10252SSara Sharon struct ieee80211_channel_switch *chsw) 531174a10252SSara Sharon { 531274a10252SSara Sharon struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 531374a10252SSara Sharon struct iwl_chan_switch_te_cmd cmd = { 531474a10252SSara Sharon .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 531574a10252SSara Sharon mvmvif->color)), 531674a10252SSara Sharon .action = cpu_to_le32(FW_CTXT_ACTION_ADD), 531774a10252SSara Sharon .tsf = cpu_to_le32(chsw->timestamp), 531874a10252SSara Sharon .cs_count = chsw->count, 531977738865SSara Sharon .cs_mode = chsw->block_tx, 532074a10252SSara Sharon }; 532174a10252SSara Sharon 532274a10252SSara Sharon lockdep_assert_held(&mvm->mutex); 532374a10252SSara Sharon 53249cfcf71cSSara Sharon if (chsw->delay) 53259cfcf71cSSara Sharon cmd.cs_delayed_bcn_count = 53269cfcf71cSSara Sharon DIV_ROUND_UP(chsw->delay, vif->bss_conf.beacon_int); 53279cfcf71cSSara Sharon 532874a10252SSara Sharon return iwl_mvm_send_cmd_pdu(mvm, 532974a10252SSara Sharon WIDE_ID(MAC_CONF_GROUP, 533074a10252SSara Sharon CHANNEL_SWITCH_TIME_EVENT_CMD), 533174a10252SSara Sharon 0, sizeof(cmd), &cmd); 533274a10252SSara Sharon } 533374a10252SSara Sharon 53340202bcf0SEmmanuel Grumbach static int iwl_mvm_old_pre_chan_sw_sta(struct iwl_mvm *mvm, 53350202bcf0SEmmanuel Grumbach struct ieee80211_vif *vif, 53360202bcf0SEmmanuel Grumbach struct ieee80211_channel_switch *chsw) 53370202bcf0SEmmanuel Grumbach { 53380202bcf0SEmmanuel Grumbach struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 53390202bcf0SEmmanuel Grumbach u32 apply_time; 53400202bcf0SEmmanuel Grumbach 53410202bcf0SEmmanuel Grumbach /* Schedule the time event to a bit before beacon 1, 53420202bcf0SEmmanuel Grumbach * to make sure we're in the new channel when the 53430202bcf0SEmmanuel Grumbach * GO/AP arrives. In case count <= 1 immediately schedule the 53440202bcf0SEmmanuel Grumbach * TE (this might result with some packet loss or connection 53450202bcf0SEmmanuel Grumbach * loss). 53460202bcf0SEmmanuel Grumbach */ 53470202bcf0SEmmanuel Grumbach if (chsw->count <= 1) 53480202bcf0SEmmanuel Grumbach apply_time = 0; 53490202bcf0SEmmanuel Grumbach else 53500202bcf0SEmmanuel Grumbach apply_time = chsw->device_timestamp + 53510202bcf0SEmmanuel Grumbach ((vif->bss_conf.beacon_int * (chsw->count - 1) - 53520202bcf0SEmmanuel Grumbach IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT) * 1024); 53530202bcf0SEmmanuel Grumbach 53540202bcf0SEmmanuel Grumbach if (chsw->block_tx) 53550202bcf0SEmmanuel Grumbach iwl_mvm_csa_client_absent(mvm, vif); 53560202bcf0SEmmanuel Grumbach 53570202bcf0SEmmanuel Grumbach if (mvmvif->bf_data.bf_enabled) { 53580202bcf0SEmmanuel Grumbach int ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0); 53590202bcf0SEmmanuel Grumbach 53600202bcf0SEmmanuel Grumbach if (ret) 53610202bcf0SEmmanuel Grumbach return ret; 53620202bcf0SEmmanuel Grumbach } 53630202bcf0SEmmanuel Grumbach 53640202bcf0SEmmanuel Grumbach iwl_mvm_schedule_csa_period(mvm, vif, vif->bss_conf.beacon_int, 53650202bcf0SEmmanuel Grumbach apply_time); 53660202bcf0SEmmanuel Grumbach 53670202bcf0SEmmanuel Grumbach return 0; 53680202bcf0SEmmanuel Grumbach } 53690202bcf0SEmmanuel Grumbach 5370f6780614SSara Sharon #define IWL_MAX_CSA_BLOCK_TX 1500 5371cbce62a3SMiri Korenblit int iwl_mvm_pre_channel_switch(struct ieee80211_hw *hw, 5372e705c121SKalle Valo struct ieee80211_vif *vif, 5373e705c121SKalle Valo struct ieee80211_channel_switch *chsw) 5374e705c121SKalle Valo { 5375e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5376e705c121SKalle Valo struct ieee80211_vif *csa_vif; 5377e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5378e705c121SKalle Valo int ret; 5379e705c121SKalle Valo 5380e705c121SKalle Valo mutex_lock(&mvm->mutex); 5381e705c121SKalle Valo 5382e705c121SKalle Valo mvmvif->csa_failed = false; 5383e705c121SKalle Valo 5384e705c121SKalle Valo IWL_DEBUG_MAC80211(mvm, "pre CSA to freq %d\n", 5385e705c121SKalle Valo chsw->chandef.center_freq1); 5386e705c121SKalle Valo 53877174beb6SJohannes Berg iwl_fw_dbg_trigger_simple_stop(&mvm->fwrt, 53887174beb6SJohannes Berg ieee80211_vif_to_wdev(vif), 53897174beb6SJohannes Berg FW_DBG_TRIGGER_CHANNEL_SWITCH); 5390e705c121SKalle Valo 5391e705c121SKalle Valo switch (vif->type) { 5392e705c121SKalle Valo case NL80211_IFTYPE_AP: 5393e705c121SKalle Valo csa_vif = 5394e705c121SKalle Valo rcu_dereference_protected(mvm->csa_vif, 5395e705c121SKalle Valo lockdep_is_held(&mvm->mutex)); 5396d0a9123eSJohannes Berg if (WARN_ONCE(csa_vif && csa_vif->bss_conf.csa_active, 5397e705c121SKalle Valo "Another CSA is already in progress")) { 5398e705c121SKalle Valo ret = -EBUSY; 5399e705c121SKalle Valo goto out_unlock; 5400e705c121SKalle Valo } 5401e705c121SKalle Valo 5402d3a108a4SAndrei Otcheretianski /* we still didn't unblock tx. prevent new CS meanwhile */ 5403d3a108a4SAndrei Otcheretianski if (rcu_dereference_protected(mvm->csa_tx_blocked_vif, 5404d3a108a4SAndrei Otcheretianski lockdep_is_held(&mvm->mutex))) { 5405d3a108a4SAndrei Otcheretianski ret = -EBUSY; 5406d3a108a4SAndrei Otcheretianski goto out_unlock; 5407d3a108a4SAndrei Otcheretianski } 5408d3a108a4SAndrei Otcheretianski 5409e705c121SKalle Valo rcu_assign_pointer(mvm->csa_vif, vif); 5410e705c121SKalle Valo 5411e705c121SKalle Valo if (WARN_ONCE(mvmvif->csa_countdown, 5412e705c121SKalle Valo "Previous CSA countdown didn't complete")) { 5413e705c121SKalle Valo ret = -EBUSY; 5414e705c121SKalle Valo goto out_unlock; 5415e705c121SKalle Valo } 5416e705c121SKalle Valo 5417d3a108a4SAndrei Otcheretianski mvmvif->csa_target_freq = chsw->chandef.chan->center_freq; 5418d3a108a4SAndrei Otcheretianski 5419e705c121SKalle Valo break; 5420e705c121SKalle Valo case NL80211_IFTYPE_STATION: 54212360acbdSEmmanuel Grumbach /* 5422ad12b231SNathan Errera * In the new flow FW is in charge of timing the switch so there 5423ad12b231SNathan Errera * is no need for all of this 5424ad12b231SNathan Errera */ 5425ad12b231SNathan Errera if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP, 5426ad12b231SNathan Errera CHANNEL_SWITCH_ERROR_NOTIF, 5427ad12b231SNathan Errera 0)) 5428ad12b231SNathan Errera break; 5429ad12b231SNathan Errera 5430ad12b231SNathan Errera /* 54312360acbdSEmmanuel Grumbach * We haven't configured the firmware to be associated yet since 54322360acbdSEmmanuel Grumbach * we don't know the dtim period. In this case, the firmware can't 54332360acbdSEmmanuel Grumbach * track the beacons. 54342360acbdSEmmanuel Grumbach */ 5435f276e20bSJohannes Berg if (!vif->cfg.assoc || !vif->bss_conf.dtim_period) { 54362360acbdSEmmanuel Grumbach ret = -EBUSY; 54372360acbdSEmmanuel Grumbach goto out_unlock; 54382360acbdSEmmanuel Grumbach } 54392360acbdSEmmanuel Grumbach 544087d9564eSJohannes Berg if (chsw->delay > IWL_MAX_CSA_BLOCK_TX) 544187d9564eSJohannes Berg schedule_delayed_work(&mvmvif->csa_work, 0); 544287d9564eSJohannes Berg 5443f6780614SSara Sharon if (chsw->block_tx) { 5444f6780614SSara Sharon /* 5445f6780614SSara Sharon * In case of undetermined / long time with immediate 5446f6780614SSara Sharon * quiet monitor status to gracefully disconnect 5447f6780614SSara Sharon */ 5448f6780614SSara Sharon if (!chsw->count || 5449f6780614SSara Sharon chsw->count * vif->bss_conf.beacon_int > 5450f6780614SSara Sharon IWL_MAX_CSA_BLOCK_TX) 5451f6780614SSara Sharon schedule_delayed_work(&mvmvif->csa_work, 5452f6780614SSara Sharon msecs_to_jiffies(IWL_MAX_CSA_BLOCK_TX)); 5453f6780614SSara Sharon } 5454e705c121SKalle Valo 54550202bcf0SEmmanuel Grumbach if (!fw_has_capa(&mvm->fw->ucode_capa, 54560202bcf0SEmmanuel Grumbach IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 54570202bcf0SEmmanuel Grumbach ret = iwl_mvm_old_pre_chan_sw_sta(mvm, vif, chsw); 5458e705c121SKalle Valo if (ret) 5459e705c121SKalle Valo goto out_unlock; 54600202bcf0SEmmanuel Grumbach } else { 546174a10252SSara Sharon iwl_mvm_schedule_client_csa(mvm, vif, chsw); 54620202bcf0SEmmanuel Grumbach } 546381b4e44eSSara Sharon 546481b4e44eSSara Sharon mvmvif->csa_count = chsw->count; 546581b4e44eSSara Sharon mvmvif->csa_misbehave = false; 5466e705c121SKalle Valo break; 5467e705c121SKalle Valo default: 5468e705c121SKalle Valo break; 5469e705c121SKalle Valo } 5470e705c121SKalle Valo 5471e705c121SKalle Valo mvmvif->ps_disabled = true; 5472e705c121SKalle Valo 5473e705c121SKalle Valo ret = iwl_mvm_power_update_ps(mvm); 5474e705c121SKalle Valo if (ret) 5475e705c121SKalle Valo goto out_unlock; 5476e705c121SKalle Valo 5477e705c121SKalle Valo /* we won't be on this channel any longer */ 5478e705c121SKalle Valo iwl_mvm_teardown_tdls_peers(mvm); 5479e705c121SKalle Valo 5480e705c121SKalle Valo out_unlock: 5481e705c121SKalle Valo mutex_unlock(&mvm->mutex); 5482e705c121SKalle Valo 5483e705c121SKalle Valo return ret; 5484e705c121SKalle Valo } 5485e705c121SKalle Valo 5486cbce62a3SMiri Korenblit void iwl_mvm_channel_switch_rx_beacon(struct ieee80211_hw *hw, 5487c37763d2SSara Sharon struct ieee80211_vif *vif, 5488c37763d2SSara Sharon struct ieee80211_channel_switch *chsw) 5489e705c121SKalle Valo { 5490e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5491c37763d2SSara Sharon struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5492c37763d2SSara Sharon struct iwl_chan_switch_te_cmd cmd = { 5493c37763d2SSara Sharon .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 5494c37763d2SSara Sharon mvmvif->color)), 5495c37763d2SSara Sharon .action = cpu_to_le32(FW_CTXT_ACTION_MODIFY), 5496c37763d2SSara Sharon .tsf = cpu_to_le32(chsw->timestamp), 5497c37763d2SSara Sharon .cs_count = chsw->count, 549877738865SSara Sharon .cs_mode = chsw->block_tx, 5499c37763d2SSara Sharon }; 5500e705c121SKalle Valo 5501ad12b231SNathan Errera /* 5502ad12b231SNathan Errera * In the new flow FW is in charge of timing the switch so there is no 5503ad12b231SNathan Errera * need for all of this 5504ad12b231SNathan Errera */ 5505ad12b231SNathan Errera if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP, 5506ad12b231SNathan Errera CHANNEL_SWITCH_ERROR_NOTIF, 0)) 5507ad12b231SNathan Errera return; 5508ad12b231SNathan Errera 5509c37763d2SSara Sharon if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CS_MODIFY)) 5510c37763d2SSara Sharon return; 5511e705c121SKalle Valo 5512c3eae059SGregory Greenman IWL_DEBUG_MAC80211(mvm, "Modify CSA on mac %d count = %d (old %d) mode = %d\n", 5513c3eae059SGregory Greenman mvmvif->id, chsw->count, mvmvif->csa_count, chsw->block_tx); 5514c3eae059SGregory Greenman 551581b4e44eSSara Sharon if (chsw->count >= mvmvif->csa_count && chsw->block_tx) { 551681b4e44eSSara Sharon if (mvmvif->csa_misbehave) { 551781b4e44eSSara Sharon /* Second time, give up on this AP*/ 551881b4e44eSSara Sharon iwl_mvm_abort_channel_switch(hw, vif); 551981b4e44eSSara Sharon ieee80211_chswitch_done(vif, false); 552081b4e44eSSara Sharon mvmvif->csa_misbehave = false; 552181b4e44eSSara Sharon return; 5522e705c121SKalle Valo } 552381b4e44eSSara Sharon mvmvif->csa_misbehave = true; 5524e705c121SKalle Valo } 552581b4e44eSSara Sharon mvmvif->csa_count = chsw->count; 5526e705c121SKalle Valo 5527caf46377SSara Sharon mutex_lock(&mvm->mutex); 5528caf46377SSara Sharon if (mvmvif->csa_failed) 5529caf46377SSara Sharon goto out_unlock; 5530e705c121SKalle Valo 5531c37763d2SSara Sharon WARN_ON(iwl_mvm_send_cmd_pdu(mvm, 5532c37763d2SSara Sharon WIDE_ID(MAC_CONF_GROUP, 5533c37763d2SSara Sharon CHANNEL_SWITCH_TIME_EVENT_CMD), 5534caf46377SSara Sharon 0, sizeof(cmd), &cmd)); 5535caf46377SSara Sharon out_unlock: 5536caf46377SSara Sharon mutex_unlock(&mvm->mutex); 5537e705c121SKalle Valo } 5538e705c121SKalle Valo 55396110d9e5SDavid Spinadel static void iwl_mvm_flush_no_vif(struct iwl_mvm *mvm, u32 queues, bool drop) 55406110d9e5SDavid Spinadel { 5541435d0827SSara Sharon int i; 5542435d0827SSara Sharon 554306195639SSara Sharon if (!iwl_mvm_has_new_tx_api(mvm)) { 5544309c4848SLuca Coelho if (drop) { 5545309c4848SLuca Coelho mutex_lock(&mvm->mutex); 55466110d9e5SDavid Spinadel iwl_mvm_flush_tx_path(mvm, 5547d4e3a341SMordechay Goodstein iwl_mvm_flushable_queues(mvm) & queues); 5548309c4848SLuca Coelho mutex_unlock(&mvm->mutex); 5549309c4848SLuca Coelho } else { 5550435d0827SSara Sharon iwl_trans_wait_tx_queues_empty(mvm->trans, queues); 5551309c4848SLuca Coelho } 5552435d0827SSara Sharon return; 5553435d0827SSara Sharon } 55546110d9e5SDavid Spinadel 55556110d9e5SDavid Spinadel mutex_lock(&mvm->mutex); 5556be9ae34eSNathan Errera for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) { 5557435d0827SSara Sharon struct ieee80211_sta *sta; 5558435d0827SSara Sharon 5559435d0827SSara Sharon sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], 55606110d9e5SDavid Spinadel lockdep_is_held(&mvm->mutex)); 55616110d9e5SDavid Spinadel if (IS_ERR_OR_NULL(sta)) 55626110d9e5SDavid Spinadel continue; 55636110d9e5SDavid Spinadel 556406195639SSara Sharon if (drop) 5565d4e3a341SMordechay Goodstein iwl_mvm_flush_sta_tids(mvm, i, 0xFFFF); 556606195639SSara Sharon else 55676110d9e5SDavid Spinadel iwl_mvm_wait_sta_queues_empty(mvm, 55686110d9e5SDavid Spinadel iwl_mvm_sta_from_mac80211(sta)); 55696110d9e5SDavid Spinadel } 55706110d9e5SDavid Spinadel mutex_unlock(&mvm->mutex); 55716110d9e5SDavid Spinadel } 55726110d9e5SDavid Spinadel 5573cbce62a3SMiri Korenblit void iwl_mvm_mac_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 5574cbce62a3SMiri Korenblit u32 queues, bool drop) 5575e705c121SKalle Valo { 5576e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5577e705c121SKalle Valo struct iwl_mvm_vif *mvmvif; 5578e705c121SKalle Valo struct iwl_mvm_sta *mvmsta; 5579e705c121SKalle Valo struct ieee80211_sta *sta; 5580e705c121SKalle Valo int i; 5581e705c121SKalle Valo u32 msk = 0; 5582e705c121SKalle Valo 55836110d9e5SDavid Spinadel if (!vif) { 55846110d9e5SDavid Spinadel iwl_mvm_flush_no_vif(mvm, queues, drop); 55856110d9e5SDavid Spinadel return; 55866110d9e5SDavid Spinadel } 55876110d9e5SDavid Spinadel 55886110d9e5SDavid Spinadel if (vif->type != NL80211_IFTYPE_STATION) 5589e705c121SKalle Valo return; 5590e705c121SKalle Valo 559124afba76SLiad Kaufman /* Make sure we're done with the deferred traffic before flushing */ 559224afba76SLiad Kaufman flush_work(&mvm->add_stream_wk); 559324afba76SLiad Kaufman 5594e705c121SKalle Valo mutex_lock(&mvm->mutex); 5595e705c121SKalle Valo mvmvif = iwl_mvm_vif_from_mac80211(vif); 5596e705c121SKalle Valo 5597e705c121SKalle Valo /* flush the AP-station and all TDLS peers */ 5598be9ae34eSNathan Errera for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) { 5599e705c121SKalle Valo sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], 5600e705c121SKalle Valo lockdep_is_held(&mvm->mutex)); 5601e705c121SKalle Valo if (IS_ERR_OR_NULL(sta)) 5602e705c121SKalle Valo continue; 5603e705c121SKalle Valo 5604e705c121SKalle Valo mvmsta = iwl_mvm_sta_from_mac80211(sta); 5605e705c121SKalle Valo if (mvmsta->vif != vif) 5606e705c121SKalle Valo continue; 5607e705c121SKalle Valo 5608e705c121SKalle Valo /* make sure only TDLS peers or the AP are flushed */ 56096a2a71e5SJohannes Berg WARN_ON_ONCE(i != mvmvif->deflink.ap_sta_id && !sta->tdls); 5610e705c121SKalle Valo 5611d49394a1SSara Sharon if (drop) { 5612f9084775SNathan Errera if (iwl_mvm_flush_sta(mvm, mvmsta, false)) 5613d49394a1SSara Sharon IWL_ERR(mvm, "flush request fail\n"); 5614d49394a1SSara Sharon } else { 5615d6d517b7SSara Sharon if (iwl_mvm_has_new_tx_api(mvm)) 5616d6d517b7SSara Sharon iwl_mvm_wait_sta_queues_empty(mvm, mvmsta); 5617f7bd883bSJohannes Berg else /* only used for !iwl_mvm_has_new_tx_api() below */ 5618f7bd883bSJohannes Berg msk |= mvmsta->tfd_queue_msk; 5619e705c121SKalle Valo } 5620d49394a1SSara Sharon } 5621e705c121SKalle Valo 5622e705c121SKalle Valo mutex_unlock(&mvm->mutex); 5623e705c121SKalle Valo 5624e705c121SKalle Valo /* this can take a while, and we may need/want other operations 5625e705c121SKalle Valo * to succeed while doing this, so do it without the mutex held 5626e705c121SKalle Valo */ 5627d6d517b7SSara Sharon if (!drop && !iwl_mvm_has_new_tx_api(mvm)) 5628a1a57877SSara Sharon iwl_trans_wait_tx_queues_empty(mvm->trans, msk); 5629e705c121SKalle Valo } 5630e705c121SKalle Valo 5631cbce62a3SMiri Korenblit int iwl_mvm_mac_get_survey(struct ieee80211_hw *hw, int idx, 5632e705c121SKalle Valo struct survey_info *survey) 5633e705c121SKalle Valo { 5634e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5635e705c121SKalle Valo int ret; 5636e705c121SKalle Valo 5637e705c121SKalle Valo memset(survey, 0, sizeof(*survey)); 5638e705c121SKalle Valo 5639e705c121SKalle Valo /* only support global statistics right now */ 5640e705c121SKalle Valo if (idx != 0) 5641e705c121SKalle Valo return -ENOENT; 5642e705c121SKalle Valo 5643280a3efaSJohannes Berg if (!fw_has_capa(&mvm->fw->ucode_capa, 5644e705c121SKalle Valo IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS)) 5645e705c121SKalle Valo return -ENOENT; 5646e705c121SKalle Valo 5647e705c121SKalle Valo mutex_lock(&mvm->mutex); 5648e705c121SKalle Valo 5649aab6930dSJohannes Berg if (iwl_mvm_firmware_running(mvm)) { 5650e705c121SKalle Valo ret = iwl_mvm_request_statistics(mvm, false); 5651e705c121SKalle Valo if (ret) 5652e705c121SKalle Valo goto out; 5653e705c121SKalle Valo } 5654e705c121SKalle Valo 5655e705c121SKalle Valo survey->filled = SURVEY_INFO_TIME | 5656e705c121SKalle Valo SURVEY_INFO_TIME_RX | 5657e705c121SKalle Valo SURVEY_INFO_TIME_TX | 5658e705c121SKalle Valo SURVEY_INFO_TIME_SCAN; 5659e705c121SKalle Valo survey->time = mvm->accu_radio_stats.on_time_rf + 5660e705c121SKalle Valo mvm->radio_stats.on_time_rf; 5661e705c121SKalle Valo do_div(survey->time, USEC_PER_MSEC); 5662e705c121SKalle Valo 5663e705c121SKalle Valo survey->time_rx = mvm->accu_radio_stats.rx_time + 5664e705c121SKalle Valo mvm->radio_stats.rx_time; 5665e705c121SKalle Valo do_div(survey->time_rx, USEC_PER_MSEC); 5666e705c121SKalle Valo 5667e705c121SKalle Valo survey->time_tx = mvm->accu_radio_stats.tx_time + 5668e705c121SKalle Valo mvm->radio_stats.tx_time; 5669e705c121SKalle Valo do_div(survey->time_tx, USEC_PER_MSEC); 5670e705c121SKalle Valo 5671e705c121SKalle Valo survey->time_scan = mvm->accu_radio_stats.on_time_scan + 5672e705c121SKalle Valo mvm->radio_stats.on_time_scan; 5673e705c121SKalle Valo do_div(survey->time_scan, USEC_PER_MSEC); 5674e705c121SKalle Valo 5675e705c121SKalle Valo ret = 0; 5676e705c121SKalle Valo out: 5677e705c121SKalle Valo mutex_unlock(&mvm->mutex); 5678e705c121SKalle Valo return ret; 5679e705c121SKalle Valo } 5680e705c121SKalle Valo 5681ed780545SJohannes Berg static void iwl_mvm_set_sta_rate(u32 rate_n_flags, struct rate_info *rinfo) 5682ed780545SJohannes Berg { 568382cdbd11SMiri Korenblit u32 format = rate_n_flags & RATE_MCS_MOD_TYPE_MSK; 56847138763eSJohannes Berg u32 gi_ltf; 568582cdbd11SMiri Korenblit 568682cdbd11SMiri Korenblit switch (rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK) { 5687ed780545SJohannes Berg case RATE_MCS_CHAN_WIDTH_20: 5688ed780545SJohannes Berg rinfo->bw = RATE_INFO_BW_20; 5689ed780545SJohannes Berg break; 5690ed780545SJohannes Berg case RATE_MCS_CHAN_WIDTH_40: 5691ed780545SJohannes Berg rinfo->bw = RATE_INFO_BW_40; 5692ed780545SJohannes Berg break; 5693ed780545SJohannes Berg case RATE_MCS_CHAN_WIDTH_80: 5694ed780545SJohannes Berg rinfo->bw = RATE_INFO_BW_80; 5695ed780545SJohannes Berg break; 5696ed780545SJohannes Berg case RATE_MCS_CHAN_WIDTH_160: 5697ed780545SJohannes Berg rinfo->bw = RATE_INFO_BW_160; 5698ed780545SJohannes Berg break; 569923dcee94SJohannes Berg case RATE_MCS_CHAN_WIDTH_320: 570023dcee94SJohannes Berg rinfo->bw = RATE_INFO_BW_320; 570123dcee94SJohannes Berg break; 5702ed780545SJohannes Berg } 5703ed780545SJohannes Berg 570482cdbd11SMiri Korenblit if (format == RATE_MCS_CCK_MSK || 570582cdbd11SMiri Korenblit format == RATE_MCS_LEGACY_OFDM_MSK) { 570682cdbd11SMiri Korenblit int rate = u32_get_bits(rate_n_flags, RATE_LEGACY_RATE_MSK); 570782cdbd11SMiri Korenblit 570882cdbd11SMiri Korenblit /* add the offset needed to get to the legacy ofdm indices */ 570982cdbd11SMiri Korenblit if (format == RATE_MCS_LEGACY_OFDM_MSK) 571082cdbd11SMiri Korenblit rate += IWL_FIRST_OFDM_RATE; 571182cdbd11SMiri Korenblit 571282cdbd11SMiri Korenblit switch (rate) { 571382cdbd11SMiri Korenblit case IWL_RATE_1M_INDEX: 571482cdbd11SMiri Korenblit rinfo->legacy = 10; 571582cdbd11SMiri Korenblit break; 571682cdbd11SMiri Korenblit case IWL_RATE_2M_INDEX: 571782cdbd11SMiri Korenblit rinfo->legacy = 20; 571882cdbd11SMiri Korenblit break; 571982cdbd11SMiri Korenblit case IWL_RATE_5M_INDEX: 572082cdbd11SMiri Korenblit rinfo->legacy = 55; 572182cdbd11SMiri Korenblit break; 572282cdbd11SMiri Korenblit case IWL_RATE_11M_INDEX: 572382cdbd11SMiri Korenblit rinfo->legacy = 110; 572482cdbd11SMiri Korenblit break; 572582cdbd11SMiri Korenblit case IWL_RATE_6M_INDEX: 572682cdbd11SMiri Korenblit rinfo->legacy = 60; 572782cdbd11SMiri Korenblit break; 572882cdbd11SMiri Korenblit case IWL_RATE_9M_INDEX: 572982cdbd11SMiri Korenblit rinfo->legacy = 90; 573082cdbd11SMiri Korenblit break; 573182cdbd11SMiri Korenblit case IWL_RATE_12M_INDEX: 573282cdbd11SMiri Korenblit rinfo->legacy = 120; 573382cdbd11SMiri Korenblit break; 573482cdbd11SMiri Korenblit case IWL_RATE_18M_INDEX: 573582cdbd11SMiri Korenblit rinfo->legacy = 180; 573682cdbd11SMiri Korenblit break; 573782cdbd11SMiri Korenblit case IWL_RATE_24M_INDEX: 573882cdbd11SMiri Korenblit rinfo->legacy = 240; 573982cdbd11SMiri Korenblit break; 574082cdbd11SMiri Korenblit case IWL_RATE_36M_INDEX: 574182cdbd11SMiri Korenblit rinfo->legacy = 360; 574282cdbd11SMiri Korenblit break; 574382cdbd11SMiri Korenblit case IWL_RATE_48M_INDEX: 574482cdbd11SMiri Korenblit rinfo->legacy = 480; 574582cdbd11SMiri Korenblit break; 574682cdbd11SMiri Korenblit case IWL_RATE_54M_INDEX: 574782cdbd11SMiri Korenblit rinfo->legacy = 540; 574882cdbd11SMiri Korenblit } 574982cdbd11SMiri Korenblit return; 575082cdbd11SMiri Korenblit } 575182cdbd11SMiri Korenblit 5752ed780545SJohannes Berg rinfo->nss = u32_get_bits(rate_n_flags, 575382cdbd11SMiri Korenblit RATE_MCS_NSS_MSK) + 1; 575482cdbd11SMiri Korenblit rinfo->mcs = format == RATE_MCS_HT_MSK ? 575582cdbd11SMiri Korenblit RATE_HT_MCS_INDEX(rate_n_flags) : 575682cdbd11SMiri Korenblit u32_get_bits(rate_n_flags, RATE_MCS_CODE_MSK); 575782cdbd11SMiri Korenblit 57587138763eSJohannes Berg if (rate_n_flags & RATE_MCS_SGI_MSK) 57597138763eSJohannes Berg rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; 57607138763eSJohannes Berg 57617138763eSJohannes Berg switch (format) { 576223dcee94SJohannes Berg case RATE_MCS_EHT_MSK: 576323dcee94SJohannes Berg /* TODO: GI/LTF/RU. How does the firmware encode them? */ 576423dcee94SJohannes Berg rinfo->flags |= RATE_INFO_FLAGS_EHT_MCS; 576523dcee94SJohannes Berg break; 57667138763eSJohannes Berg case RATE_MCS_HE_MSK: 57677138763eSJohannes Berg gi_ltf = u32_get_bits(rate_n_flags, RATE_MCS_HE_GI_LTF_MSK); 5768ed780545SJohannes Berg 5769ed780545SJohannes Berg rinfo->flags |= RATE_INFO_FLAGS_HE_MCS; 5770ed780545SJohannes Berg 577182cdbd11SMiri Korenblit if (rate_n_flags & RATE_MCS_HE_106T_MSK) { 5772ed780545SJohannes Berg rinfo->bw = RATE_INFO_BW_HE_RU; 5773ed780545SJohannes Berg rinfo->he_ru_alloc = NL80211_RATE_INFO_HE_RU_ALLOC_106; 5774ed780545SJohannes Berg } 5775ed780545SJohannes Berg 577682cdbd11SMiri Korenblit switch (rate_n_flags & RATE_MCS_HE_TYPE_MSK) { 577782cdbd11SMiri Korenblit case RATE_MCS_HE_TYPE_SU: 577882cdbd11SMiri Korenblit case RATE_MCS_HE_TYPE_EXT_SU: 5779ed780545SJohannes Berg if (gi_ltf == 0 || gi_ltf == 1) 5780ed780545SJohannes Berg rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 5781ed780545SJohannes Berg else if (gi_ltf == 2) 5782ed780545SJohannes Berg rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 578382cdbd11SMiri Korenblit else if (gi_ltf == 3) 5784ed780545SJohannes Berg rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 578582cdbd11SMiri Korenblit else 578682cdbd11SMiri Korenblit rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 5787ed780545SJohannes Berg break; 578882cdbd11SMiri Korenblit case RATE_MCS_HE_TYPE_MU: 5789ed780545SJohannes Berg if (gi_ltf == 0 || gi_ltf == 1) 5790ed780545SJohannes Berg rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 5791ed780545SJohannes Berg else if (gi_ltf == 2) 5792ed780545SJohannes Berg rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 5793ed780545SJohannes Berg else 5794ed780545SJohannes Berg rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 5795ed780545SJohannes Berg break; 579682cdbd11SMiri Korenblit case RATE_MCS_HE_TYPE_TRIG: 5797ed780545SJohannes Berg if (gi_ltf == 0 || gi_ltf == 1) 5798ed780545SJohannes Berg rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 5799ed780545SJohannes Berg else 5800ed780545SJohannes Berg rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 5801ed780545SJohannes Berg break; 5802ed780545SJohannes Berg } 5803ed780545SJohannes Berg 5804ed780545SJohannes Berg if (rate_n_flags & RATE_HE_DUAL_CARRIER_MODE_MSK) 5805ed780545SJohannes Berg rinfo->he_dcm = 1; 58067138763eSJohannes Berg break; 58077138763eSJohannes Berg case RATE_MCS_HT_MSK: 580882cdbd11SMiri Korenblit rinfo->flags |= RATE_INFO_FLAGS_MCS; 58097138763eSJohannes Berg break; 58107138763eSJohannes Berg case RATE_MCS_VHT_MSK: 581182cdbd11SMiri Korenblit rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; 58127138763eSJohannes Berg break; 5813ed780545SJohannes Berg } 5814ed780545SJohannes Berg } 5815ed780545SJohannes Berg 5816cbce62a3SMiri Korenblit void iwl_mvm_mac_sta_statistics(struct ieee80211_hw *hw, 5817e705c121SKalle Valo struct ieee80211_vif *vif, 5818e705c121SKalle Valo struct ieee80211_sta *sta, 5819e705c121SKalle Valo struct station_info *sinfo) 5820e705c121SKalle Valo { 5821e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5822e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5823e705c121SKalle Valo struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 5824e705c121SKalle Valo 5825c8ee33e1SGregory Greenman if (mvmsta->deflink.avg_energy) { 5826c8ee33e1SGregory Greenman sinfo->signal_avg = -(s8)mvmsta->deflink.avg_energy; 582722d0d2faSOmer Efrat sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG); 5828988b5968SSara Sharon } 5829988b5968SSara Sharon 5830ed780545SJohannes Berg if (iwl_mvm_has_tlc_offload(mvm)) { 5831c8ee33e1SGregory Greenman struct iwl_lq_sta_rs_fw *lq_sta = &mvmsta->deflink.lq_sta.rs_fw; 5832ed780545SJohannes Berg 5833ed780545SJohannes Berg iwl_mvm_set_sta_rate(lq_sta->last_rate_n_flags, &sinfo->txrate); 5834ed780545SJohannes Berg sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 5835ed780545SJohannes Berg } 5836ed780545SJohannes Berg 5837e705c121SKalle Valo /* if beacon filtering isn't on mac80211 does it anyway */ 5838e705c121SKalle Valo if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER)) 5839e705c121SKalle Valo return; 5840e705c121SKalle Valo 5841f276e20bSJohannes Berg if (!vif->cfg.assoc) 5842e705c121SKalle Valo return; 5843e705c121SKalle Valo 5844e705c121SKalle Valo mutex_lock(&mvm->mutex); 5845e705c121SKalle Valo 5846c8ee33e1SGregory Greenman if (mvmvif->deflink.ap_sta_id != mvmsta->deflink.sta_id) 5847e705c121SKalle Valo goto unlock; 5848e705c121SKalle Valo 5849e705c121SKalle Valo if (iwl_mvm_request_statistics(mvm, false)) 5850e705c121SKalle Valo goto unlock; 5851e705c121SKalle Valo 5852650cadb7SGregory Greenman sinfo->rx_beacon = mvmvif->deflink.beacon_stats.num_beacons + 5853650cadb7SGregory Greenman mvmvif->deflink.beacon_stats.accu_num_beacons; 585422d0d2faSOmer Efrat sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_RX); 5855650cadb7SGregory Greenman if (mvmvif->deflink.beacon_stats.avg_signal) { 5856e705c121SKalle Valo /* firmware only reports a value after RXing a few beacons */ 5857650cadb7SGregory Greenman sinfo->rx_beacon_signal_avg = 5858650cadb7SGregory Greenman mvmvif->deflink.beacon_stats.avg_signal; 585922d0d2faSOmer Efrat sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG); 5860e705c121SKalle Valo } 5861e705c121SKalle Valo unlock: 5862e705c121SKalle Valo mutex_unlock(&mvm->mutex); 5863e705c121SKalle Valo } 5864e705c121SKalle Valo 5865119c2a13SMordechay Goodstein static void iwl_mvm_event_mlme_callback_ini(struct iwl_mvm *mvm, 5866119c2a13SMordechay Goodstein struct ieee80211_vif *vif, 5867119c2a13SMordechay Goodstein const struct ieee80211_mlme_event *mlme) 5868119c2a13SMordechay Goodstein { 58691a81bddfSMordechay Goodstein if ((mlme->data == ASSOC_EVENT || mlme->data == AUTH_EVENT) && 58701a81bddfSMordechay Goodstein (mlme->status == MLME_DENIED || mlme->status == MLME_TIMEOUT)) { 5871119c2a13SMordechay Goodstein iwl_dbg_tlv_time_point(&mvm->fwrt, 5872119c2a13SMordechay Goodstein IWL_FW_INI_TIME_POINT_ASSOC_FAILED, 5873119c2a13SMordechay Goodstein NULL); 5874119c2a13SMordechay Goodstein return; 5875119c2a13SMordechay Goodstein } 5876119c2a13SMordechay Goodstein 5877119c2a13SMordechay Goodstein if (mlme->data == DEAUTH_RX_EVENT || mlme->data == DEAUTH_TX_EVENT) { 5878119c2a13SMordechay Goodstein iwl_dbg_tlv_time_point(&mvm->fwrt, 5879119c2a13SMordechay Goodstein IWL_FW_INI_TIME_POINT_DEASSOC, 5880119c2a13SMordechay Goodstein NULL); 5881119c2a13SMordechay Goodstein return; 5882119c2a13SMordechay Goodstein } 5883119c2a13SMordechay Goodstein } 5884119c2a13SMordechay Goodstein 5885e705c121SKalle Valo static void iwl_mvm_event_mlme_callback(struct iwl_mvm *mvm, 5886e705c121SKalle Valo struct ieee80211_vif *vif, 5887e705c121SKalle Valo const struct ieee80211_event *event) 5888e705c121SKalle Valo { 58894c324a51SLuca Coelho #define CHECK_MLME_TRIGGER(_cnt, _fmt...) \ 5890e705c121SKalle Valo do { \ 58914c324a51SLuca Coelho if ((trig_mlme->_cnt) && --(trig_mlme->_cnt)) \ 5892e705c121SKalle Valo break; \ 58937174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&(mvm)->fwrt, trig, _fmt); \ 5894e705c121SKalle Valo } while (0) 5895e705c121SKalle Valo 5896e705c121SKalle Valo struct iwl_fw_dbg_trigger_tlv *trig; 5897e705c121SKalle Valo struct iwl_fw_dbg_trigger_mlme *trig_mlme; 5898e705c121SKalle Valo 5899119c2a13SMordechay Goodstein if (iwl_trans_dbg_ini_valid(mvm->trans)) { 5900119c2a13SMordechay Goodstein iwl_mvm_event_mlme_callback_ini(mvm, vif, &event->u.mlme); 5901119c2a13SMordechay Goodstein return; 5902119c2a13SMordechay Goodstein } 5903119c2a13SMordechay Goodstein 59046c042d75SSara Sharon trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 59056c042d75SSara Sharon FW_DBG_TRIGGER_MLME); 59066c042d75SSara Sharon if (!trig) 5907e705c121SKalle Valo return; 5908e705c121SKalle Valo 5909e705c121SKalle Valo trig_mlme = (void *)trig->data; 5910e705c121SKalle Valo 5911e705c121SKalle Valo if (event->u.mlme.data == ASSOC_EVENT) { 5912e705c121SKalle Valo if (event->u.mlme.status == MLME_DENIED) 59134c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_assoc_denied, 5914e705c121SKalle Valo "DENIED ASSOC: reason %d", 5915e705c121SKalle Valo event->u.mlme.reason); 5916e705c121SKalle Valo else if (event->u.mlme.status == MLME_TIMEOUT) 59174c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_assoc_timeout, 5918e705c121SKalle Valo "ASSOC TIMEOUT"); 5919e705c121SKalle Valo } else if (event->u.mlme.data == AUTH_EVENT) { 5920e705c121SKalle Valo if (event->u.mlme.status == MLME_DENIED) 59214c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_auth_denied, 5922e705c121SKalle Valo "DENIED AUTH: reason %d", 5923e705c121SKalle Valo event->u.mlme.reason); 5924e705c121SKalle Valo else if (event->u.mlme.status == MLME_TIMEOUT) 59254c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_auth_timeout, 5926e705c121SKalle Valo "AUTH TIMEOUT"); 5927e705c121SKalle Valo } else if (event->u.mlme.data == DEAUTH_RX_EVENT) { 59284c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_rx_deauth, 5929e705c121SKalle Valo "DEAUTH RX %d", event->u.mlme.reason); 5930e705c121SKalle Valo } else if (event->u.mlme.data == DEAUTH_TX_EVENT) { 59314c324a51SLuca Coelho CHECK_MLME_TRIGGER(stop_tx_deauth, 5932e705c121SKalle Valo "DEAUTH TX %d", event->u.mlme.reason); 5933e705c121SKalle Valo } 5934e705c121SKalle Valo #undef CHECK_MLME_TRIGGER 5935e705c121SKalle Valo } 5936e705c121SKalle Valo 5937e705c121SKalle Valo static void iwl_mvm_event_bar_rx_callback(struct iwl_mvm *mvm, 5938e705c121SKalle Valo struct ieee80211_vif *vif, 5939e705c121SKalle Valo const struct ieee80211_event *event) 5940e705c121SKalle Valo { 5941e705c121SKalle Valo struct iwl_fw_dbg_trigger_tlv *trig; 5942e705c121SKalle Valo struct iwl_fw_dbg_trigger_ba *ba_trig; 5943e705c121SKalle Valo 59446c042d75SSara Sharon trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 59456c042d75SSara Sharon FW_DBG_TRIGGER_BA); 59466c042d75SSara Sharon if (!trig) 5947e705c121SKalle Valo return; 5948e705c121SKalle Valo 5949e705c121SKalle Valo ba_trig = (void *)trig->data; 5950e705c121SKalle Valo 5951e705c121SKalle Valo if (!(le16_to_cpu(ba_trig->rx_bar) & BIT(event->u.ba.tid))) 5952e705c121SKalle Valo return; 5953e705c121SKalle Valo 59547174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 5955e705c121SKalle Valo "BAR received from %pM, tid %d, ssn %d", 5956e705c121SKalle Valo event->u.ba.sta->addr, event->u.ba.tid, 5957e705c121SKalle Valo event->u.ba.ssn); 5958e705c121SKalle Valo } 5959e705c121SKalle Valo 5960cbce62a3SMiri Korenblit void iwl_mvm_mac_event_callback(struct ieee80211_hw *hw, 5961e705c121SKalle Valo struct ieee80211_vif *vif, 5962e705c121SKalle Valo const struct ieee80211_event *event) 5963e705c121SKalle Valo { 5964e705c121SKalle Valo struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5965e705c121SKalle Valo 5966e705c121SKalle Valo switch (event->type) { 5967e705c121SKalle Valo case MLME_EVENT: 5968e705c121SKalle Valo iwl_mvm_event_mlme_callback(mvm, vif, event); 5969e705c121SKalle Valo break; 5970e705c121SKalle Valo case BAR_RX_EVENT: 5971e705c121SKalle Valo iwl_mvm_event_bar_rx_callback(mvm, vif, event); 5972e705c121SKalle Valo break; 5973e705c121SKalle Valo case BA_FRAME_TIMEOUT: 5974528a542aSEmmanuel Grumbach iwl_mvm_event_frame_timeout_callback(mvm, vif, event->u.ba.sta, 5975528a542aSEmmanuel Grumbach event->u.ba.tid); 5976e705c121SKalle Valo break; 5977e705c121SKalle Valo default: 5978e705c121SKalle Valo break; 5979e705c121SKalle Valo } 5980e705c121SKalle Valo } 5981e705c121SKalle Valo 5982d0ff5d22SSara Sharon void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm, 59835e1688ceSJohannes Berg enum iwl_mvm_rxq_notif_type type, 59845e1688ceSJohannes Berg bool sync, 59855e1688ceSJohannes Berg const void *data, u32 size) 59860636b938SSara Sharon { 59875e1688ceSJohannes Berg struct { 59885e1688ceSJohannes Berg struct iwl_rxq_sync_cmd cmd; 59895e1688ceSJohannes Berg struct iwl_mvm_internal_rxq_notif notif; 59905e1688ceSJohannes Berg } __packed cmd = { 59915e1688ceSJohannes Berg .cmd.rxq_mask = cpu_to_le32(BIT(mvm->trans->num_rx_queues) - 1), 59925e1688ceSJohannes Berg .cmd.count = 59935e1688ceSJohannes Berg cpu_to_le32(sizeof(struct iwl_mvm_internal_rxq_notif) + 59945e1688ceSJohannes Berg size), 59955e1688ceSJohannes Berg .notif.type = type, 59965e1688ceSJohannes Berg .notif.sync = sync, 59975e1688ceSJohannes Berg }; 59985e1688ceSJohannes Berg struct iwl_host_cmd hcmd = { 59995e1688ceSJohannes Berg .id = WIDE_ID(DATA_PATH_GROUP, TRIGGER_RX_QUEUES_NOTIF_CMD), 60005e1688ceSJohannes Berg .data[0] = &cmd, 60015e1688ceSJohannes Berg .len[0] = sizeof(cmd), 60025e1688ceSJohannes Berg .data[1] = data, 60035e1688ceSJohannes Berg .len[1] = size, 60045e1688ceSJohannes Berg .flags = sync ? 0 : CMD_ASYNC, 60055e1688ceSJohannes Berg }; 60060636b938SSara Sharon int ret; 60070636b938SSara Sharon 60085e1688ceSJohannes Berg /* size must be a multiple of DWORD */ 60095e1688ceSJohannes Berg if (WARN_ON(cmd.cmd.count & cpu_to_le32(3))) 60105e1688ceSJohannes Berg return; 60110636b938SSara Sharon 6012cb8550e1SSara Sharon if (!iwl_mvm_has_new_rx_api(mvm)) 60130636b938SSara Sharon return; 60140636b938SSara Sharon 60155e1688ceSJohannes Berg if (sync) { 60165e1688ceSJohannes Berg cmd.notif.cookie = mvm->queue_sync_cookie; 60172f7a04c7SJohannes Berg mvm->queue_sync_state = (1 << mvm->trans->num_rx_queues) - 1; 6018a2113cc4SNaftali Goldstein } 6019d0ff5d22SSara Sharon 60205e1688ceSJohannes Berg ret = iwl_mvm_send_cmd(mvm, &hcmd); 60210636b938SSara Sharon if (ret) { 60220636b938SSara Sharon IWL_ERR(mvm, "Failed to trigger RX queues sync (%d)\n", ret); 60230636b938SSara Sharon goto out; 60240636b938SSara Sharon } 6025d0ff5d22SSara Sharon 60265e1688ceSJohannes Berg if (sync) { 60273c514bf8SEmmanuel Grumbach lockdep_assert_held(&mvm->mutex); 60283a732c65SSara Sharon ret = wait_event_timeout(mvm->rx_sync_waitq, 60292f7a04c7SJohannes Berg READ_ONCE(mvm->queue_sync_state) == 0 || 60306ad04359SJohannes Berg iwl_mvm_is_radio_killed(mvm), 60310636b938SSara Sharon HZ); 60322f7a04c7SJohannes Berg WARN_ONCE(!ret && !iwl_mvm_is_radio_killed(mvm), 60332f7a04c7SJohannes Berg "queue sync: failed to sync, state is 0x%lx\n", 60342f7a04c7SJohannes Berg mvm->queue_sync_state); 60356ad04359SJohannes Berg } 60360636b938SSara Sharon 60370636b938SSara Sharon out: 60385e1688ceSJohannes Berg if (sync) { 60392f7a04c7SJohannes Berg mvm->queue_sync_state = 0; 60400636b938SSara Sharon mvm->queue_sync_cookie++; 60410636b938SSara Sharon } 60425f8a3561SJohannes Berg } 60430636b938SSara Sharon 6044cbce62a3SMiri Korenblit void iwl_mvm_sync_rx_queues(struct ieee80211_hw *hw) 60450636b938SSara Sharon { 60460636b938SSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 60470636b938SSara Sharon 60480636b938SSara Sharon mutex_lock(&mvm->mutex); 60495e1688ceSJohannes Berg iwl_mvm_sync_rx_queues_internal(mvm, IWL_MVM_RXQ_EMPTY, true, NULL, 0); 60500636b938SSara Sharon mutex_unlock(&mvm->mutex); 60510636b938SSara Sharon } 60520636b938SSara Sharon 6053cbce62a3SMiri Korenblit int 6054b73f9a4aSJohannes Berg iwl_mvm_mac_get_ftm_responder_stats(struct ieee80211_hw *hw, 6055b73f9a4aSJohannes Berg struct ieee80211_vif *vif, 6056b73f9a4aSJohannes Berg struct cfg80211_ftm_responder_stats *stats) 6057b73f9a4aSJohannes Berg { 6058b73f9a4aSJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6059b73f9a4aSJohannes Berg struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 6060b73f9a4aSJohannes Berg 6061b73f9a4aSJohannes Berg if (vif->p2p || vif->type != NL80211_IFTYPE_AP || 6062b73f9a4aSJohannes Berg !mvmvif->ap_ibss_active || !vif->bss_conf.ftm_responder) 6063b73f9a4aSJohannes Berg return -EINVAL; 6064b73f9a4aSJohannes Berg 6065b73f9a4aSJohannes Berg mutex_lock(&mvm->mutex); 6066b73f9a4aSJohannes Berg *stats = mvm->ftm_resp_stats; 6067b73f9a4aSJohannes Berg mutex_unlock(&mvm->mutex); 6068b73f9a4aSJohannes Berg 6069b73f9a4aSJohannes Berg stats->filled = BIT(NL80211_FTM_STATS_SUCCESS_NUM) | 6070b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_PARTIAL_NUM) | 6071b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_FAILED_NUM) | 6072b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_ASAP_NUM) | 6073b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_NON_ASAP_NUM) | 6074b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_TOTAL_DURATION_MSEC) | 6075b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_UNKNOWN_TRIGGERS_NUM) | 6076b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_RESCHEDULE_REQUESTS_NUM) | 6077b73f9a4aSJohannes Berg BIT(NL80211_FTM_STATS_OUT_OF_WINDOW_TRIGGERS_NUM); 6078b73f9a4aSJohannes Berg 6079b73f9a4aSJohannes Berg return 0; 6080b73f9a4aSJohannes Berg } 6081b73f9a4aSJohannes Berg 6082cbce62a3SMiri Korenblit int iwl_mvm_start_pmsr(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 6083fc36ffdaSJohannes Berg struct cfg80211_pmsr_request *request) 6084fc36ffdaSJohannes Berg { 6085fc36ffdaSJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6086fc36ffdaSJohannes Berg int ret; 6087fc36ffdaSJohannes Berg 6088fc36ffdaSJohannes Berg mutex_lock(&mvm->mutex); 6089fc36ffdaSJohannes Berg ret = iwl_mvm_ftm_start(mvm, vif, request); 6090fc36ffdaSJohannes Berg mutex_unlock(&mvm->mutex); 6091fc36ffdaSJohannes Berg 6092fc36ffdaSJohannes Berg return ret; 6093fc36ffdaSJohannes Berg } 6094fc36ffdaSJohannes Berg 6095cbce62a3SMiri Korenblit void iwl_mvm_abort_pmsr(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 6096fc36ffdaSJohannes Berg struct cfg80211_pmsr_request *request) 6097fc36ffdaSJohannes Berg { 6098fc36ffdaSJohannes Berg struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6099fc36ffdaSJohannes Berg 6100fc36ffdaSJohannes Berg mutex_lock(&mvm->mutex); 6101fc36ffdaSJohannes Berg iwl_mvm_ftm_abort(mvm, request); 6102fc36ffdaSJohannes Berg mutex_unlock(&mvm->mutex); 6103fc36ffdaSJohannes Berg } 6104fc36ffdaSJohannes Berg 6105438af969SSara Sharon static bool iwl_mvm_can_hw_csum(struct sk_buff *skb) 6106438af969SSara Sharon { 6107438af969SSara Sharon u8 protocol = ip_hdr(skb)->protocol; 6108438af969SSara Sharon 6109438af969SSara Sharon if (!IS_ENABLED(CONFIG_INET)) 6110438af969SSara Sharon return false; 6111438af969SSara Sharon 6112438af969SSara Sharon return protocol == IPPROTO_TCP || protocol == IPPROTO_UDP; 6113438af969SSara Sharon } 6114438af969SSara Sharon 6115438af969SSara Sharon static bool iwl_mvm_mac_can_aggregate(struct ieee80211_hw *hw, 6116438af969SSara Sharon struct sk_buff *head, 6117438af969SSara Sharon struct sk_buff *skb) 6118438af969SSara Sharon { 6119438af969SSara Sharon struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6120438af969SSara Sharon 61210792df68SJohannes Berg if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_BZ) 61220792df68SJohannes Berg return iwl_mvm_tx_csum_bz(mvm, head, true) == 61230792df68SJohannes Berg iwl_mvm_tx_csum_bz(mvm, skb, true); 61240792df68SJohannes Berg 6125438af969SSara Sharon /* For now don't aggregate IPv6 in AMSDU */ 6126438af969SSara Sharon if (skb->protocol != htons(ETH_P_IP)) 6127438af969SSara Sharon return false; 6128438af969SSara Sharon 6129438af969SSara Sharon if (!iwl_mvm_is_csum_supported(mvm)) 6130438af969SSara Sharon return true; 6131438af969SSara Sharon 6132438af969SSara Sharon return iwl_mvm_can_hw_csum(skb) == iwl_mvm_can_hw_csum(head); 6133438af969SSara Sharon } 6134438af969SSara Sharon 6135be8897e2SAvraham Stern int iwl_mvm_set_hw_timestamp(struct ieee80211_hw *hw, 6136cf85123aSAvraham Stern struct ieee80211_vif *vif, 6137cf85123aSAvraham Stern struct cfg80211_set_hw_timestamp *hwts) 6138cf85123aSAvraham Stern { 6139cf85123aSAvraham Stern struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6140cf85123aSAvraham Stern u32 protocols = 0; 6141cf85123aSAvraham Stern int ret; 6142cf85123aSAvraham Stern 6143cf85123aSAvraham Stern /* HW timestamping is only supported for a specific station */ 6144cf85123aSAvraham Stern if (!hwts->macaddr) 6145cf85123aSAvraham Stern return -EOPNOTSUPP; 6146cf85123aSAvraham Stern 6147cf85123aSAvraham Stern if (hwts->enable) 6148cf85123aSAvraham Stern protocols = 6149cf85123aSAvraham Stern IWL_TIME_SYNC_PROTOCOL_TM | IWL_TIME_SYNC_PROTOCOL_FTM; 6150cf85123aSAvraham Stern 6151cf85123aSAvraham Stern mutex_lock(&mvm->mutex); 6152cf85123aSAvraham Stern ret = iwl_mvm_time_sync_config(mvm, hwts->macaddr, protocols); 6153cf85123aSAvraham Stern mutex_unlock(&mvm->mutex); 6154cf85123aSAvraham Stern 6155cf85123aSAvraham Stern return ret; 6156cf85123aSAvraham Stern } 6157cf85123aSAvraham Stern 6158e705c121SKalle Valo const struct ieee80211_ops iwl_mvm_hw_ops = { 6159e705c121SKalle Valo .tx = iwl_mvm_mac_tx, 6160cfbc6c4cSSara Sharon .wake_tx_queue = iwl_mvm_mac_wake_tx_queue, 6161e705c121SKalle Valo .ampdu_action = iwl_mvm_mac_ampdu_action, 6162e8503aecSBen Greear .get_antenna = iwl_mvm_op_get_antenna, 6163e705c121SKalle Valo .start = iwl_mvm_mac_start, 6164e705c121SKalle Valo .reconfig_complete = iwl_mvm_mac_reconfig_complete, 6165e705c121SKalle Valo .stop = iwl_mvm_mac_stop, 6166e705c121SKalle Valo .add_interface = iwl_mvm_mac_add_interface, 6167e705c121SKalle Valo .remove_interface = iwl_mvm_mac_remove_interface, 6168e705c121SKalle Valo .config = iwl_mvm_mac_config, 6169e705c121SKalle Valo .prepare_multicast = iwl_mvm_prepare_multicast, 6170e705c121SKalle Valo .configure_filter = iwl_mvm_configure_filter, 6171e705c121SKalle Valo .config_iface_filter = iwl_mvm_config_iface_filter, 6172e705c121SKalle Valo .bss_info_changed = iwl_mvm_bss_info_changed, 6173e705c121SKalle Valo .hw_scan = iwl_mvm_mac_hw_scan, 6174e705c121SKalle Valo .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan, 6175e705c121SKalle Valo .sta_pre_rcu_remove = iwl_mvm_sta_pre_rcu_remove, 6176e705c121SKalle Valo .sta_state = iwl_mvm_mac_sta_state, 6177e705c121SKalle Valo .sta_notify = iwl_mvm_mac_sta_notify, 6178e705c121SKalle Valo .allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames, 6179e705c121SKalle Valo .release_buffered_frames = iwl_mvm_mac_release_buffered_frames, 6180e705c121SKalle Valo .set_rts_threshold = iwl_mvm_mac_set_rts_threshold, 6181e705c121SKalle Valo .sta_rc_update = iwl_mvm_sta_rc_update, 6182e705c121SKalle Valo .conf_tx = iwl_mvm_mac_conf_tx, 6183e705c121SKalle Valo .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx, 61846b1259d1SJohannes Berg .mgd_complete_tx = iwl_mvm_mac_mgd_complete_tx, 6185e705c121SKalle Valo .mgd_protect_tdls_discover = iwl_mvm_mac_mgd_protect_tdls_discover, 6186e705c121SKalle Valo .flush = iwl_mvm_mac_flush, 6187e705c121SKalle Valo .sched_scan_start = iwl_mvm_mac_sched_scan_start, 6188e705c121SKalle Valo .sched_scan_stop = iwl_mvm_mac_sched_scan_stop, 6189e705c121SKalle Valo .set_key = iwl_mvm_mac_set_key, 6190e705c121SKalle Valo .update_tkip_key = iwl_mvm_mac_update_tkip_key, 6191e705c121SKalle Valo .remain_on_channel = iwl_mvm_roc, 6192e705c121SKalle Valo .cancel_remain_on_channel = iwl_mvm_cancel_roc, 6193e705c121SKalle Valo .add_chanctx = iwl_mvm_add_chanctx, 6194e705c121SKalle Valo .remove_chanctx = iwl_mvm_remove_chanctx, 6195e705c121SKalle Valo .change_chanctx = iwl_mvm_change_chanctx, 6196e705c121SKalle Valo .assign_vif_chanctx = iwl_mvm_assign_vif_chanctx, 6197e705c121SKalle Valo .unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx, 6198e705c121SKalle Valo .switch_vif_chanctx = iwl_mvm_switch_vif_chanctx, 6199e705c121SKalle Valo 6200ae7ba17bSShaul Triebitz .start_ap = iwl_mvm_start_ap, 6201ae7ba17bSShaul Triebitz .stop_ap = iwl_mvm_stop_ap, 6202ae7ba17bSShaul Triebitz .join_ibss = iwl_mvm_start_ibss, 6203ae7ba17bSShaul Triebitz .leave_ibss = iwl_mvm_stop_ibss, 6204e705c121SKalle Valo 62052f0282dbSJohannes Berg .tx_last_beacon = iwl_mvm_tx_last_beacon, 62062f0282dbSJohannes Berg 6207e705c121SKalle Valo .set_tim = iwl_mvm_set_tim, 6208e705c121SKalle Valo 6209e705c121SKalle Valo .channel_switch = iwl_mvm_channel_switch, 6210e705c121SKalle Valo .pre_channel_switch = iwl_mvm_pre_channel_switch, 6211e705c121SKalle Valo .post_channel_switch = iwl_mvm_post_channel_switch, 621279221126SSara Sharon .abort_channel_switch = iwl_mvm_abort_channel_switch, 6213c37763d2SSara Sharon .channel_switch_rx_beacon = iwl_mvm_channel_switch_rx_beacon, 6214e705c121SKalle Valo 6215e705c121SKalle Valo .tdls_channel_switch = iwl_mvm_tdls_channel_switch, 6216e705c121SKalle Valo .tdls_cancel_channel_switch = iwl_mvm_tdls_cancel_channel_switch, 6217e705c121SKalle Valo .tdls_recv_channel_switch = iwl_mvm_tdls_recv_channel_switch, 6218e705c121SKalle Valo 6219e705c121SKalle Valo .event_callback = iwl_mvm_mac_event_callback, 6220e705c121SKalle Valo 62210636b938SSara Sharon .sync_rx_queues = iwl_mvm_sync_rx_queues, 62220636b938SSara Sharon 6223e705c121SKalle Valo CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd) 6224e705c121SKalle Valo 6225e705c121SKalle Valo #ifdef CONFIG_PM_SLEEP 6226e705c121SKalle Valo /* look at d3.c */ 6227e705c121SKalle Valo .suspend = iwl_mvm_suspend, 6228e705c121SKalle Valo .resume = iwl_mvm_resume, 6229e705c121SKalle Valo .set_wakeup = iwl_mvm_set_wakeup, 6230e705c121SKalle Valo .set_rekey_data = iwl_mvm_set_rekey_data, 6231e705c121SKalle Valo #if IS_ENABLED(CONFIG_IPV6) 6232e705c121SKalle Valo .ipv6_addr_change = iwl_mvm_ipv6_addr_change, 6233e705c121SKalle Valo #endif 6234e705c121SKalle Valo .set_default_unicast_key = iwl_mvm_set_default_unicast_key, 6235e705c121SKalle Valo #endif 6236e705c121SKalle Valo .get_survey = iwl_mvm_mac_get_survey, 6237e705c121SKalle Valo .sta_statistics = iwl_mvm_mac_sta_statistics, 6238b73f9a4aSJohannes Berg .get_ftm_responder_stats = iwl_mvm_mac_get_ftm_responder_stats, 6239fc36ffdaSJohannes Berg .start_pmsr = iwl_mvm_start_pmsr, 6240fc36ffdaSJohannes Berg .abort_pmsr = iwl_mvm_abort_pmsr, 6241b73f9a4aSJohannes Berg 6242438af969SSara Sharon .can_aggregate_in_amsdu = iwl_mvm_mac_can_aggregate, 6243177a11cfSGregory Greenman #ifdef CONFIG_IWLWIFI_DEBUGFS 6244177a11cfSGregory Greenman .sta_add_debugfs = iwl_mvm_sta_add_debugfs, 6245177a11cfSGregory Greenman #endif 6246cf85123aSAvraham Stern .set_hw_timestamp = iwl_mvm_set_hw_timestamp, 6247e705c121SKalle Valo }; 6248