| /****************************************************************************** |
| * |
| * This file is provided under a dual BSD/GPLv2 license. When using or |
| * redistributing this file, you may do so under either license. |
| * |
| * GPL LICENSE SUMMARY |
| * |
| * Copyright(c) 2017 Intel Deutschland GmbH |
| * Copyright(c) 2018 - 2020 Intel Corporation |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of version 2 of the GNU General Public License as |
| * published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * General Public License for more details. |
| * |
| * The full GNU General Public License is included in this distribution |
| * in the file called COPYING. |
| * |
| * Contact Information: |
| * Intel Linux Wireless <linuxwifi@intel.com> |
| * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
| * |
| * BSD LICENSE |
| * |
| * Copyright(c) 2017 Intel Deutschland GmbH |
| * Copyright(c) 2018 - 2020 Intel Corporation |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name Intel Corporation nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| *****************************************************************************/ |
| #include "rs.h" |
| #include "fw-api.h" |
| #include "sta.h" |
| #include "iwl-op-mode.h" |
| #include "mvm.h" |
| |
| static u8 rs_fw_bw_from_sta_bw(struct ieee80211_sta *sta) |
| { |
| switch (sta->bandwidth) { |
| case IEEE80211_STA_RX_BW_160: |
| return IWL_TLC_MNG_CH_WIDTH_160MHZ; |
| case IEEE80211_STA_RX_BW_80: |
| return IWL_TLC_MNG_CH_WIDTH_80MHZ; |
| case IEEE80211_STA_RX_BW_40: |
| return IWL_TLC_MNG_CH_WIDTH_40MHZ; |
| case IEEE80211_STA_RX_BW_20: |
| default: |
| return IWL_TLC_MNG_CH_WIDTH_20MHZ; |
| } |
| } |
| |
| static u8 rs_fw_set_active_chains(u8 chains) |
| { |
| u8 fw_chains = 0; |
| |
| if (chains & ANT_A) |
| fw_chains |= IWL_TLC_MNG_CHAIN_A_MSK; |
| if (chains & ANT_B) |
| fw_chains |= IWL_TLC_MNG_CHAIN_B_MSK; |
| if (chains & ANT_C) |
| WARN(false, |
| "tlc offload doesn't support antenna C. chains: 0x%x\n", |
| chains); |
| |
| return fw_chains; |
| } |
| |
| static u8 rs_fw_sgi_cw_support(struct ieee80211_sta *sta) |
| { |
| struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap; |
| struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap; |
| struct ieee80211_sta_he_cap *he_cap = &sta->he_cap; |
| u8 supp = 0; |
| |
| if (he_cap->has_he) |
| return 0; |
| |
| if (ht_cap->cap & IEEE80211_HT_CAP_SGI_20) |
| supp |= BIT(IWL_TLC_MNG_CH_WIDTH_20MHZ); |
| if (ht_cap->cap & IEEE80211_HT_CAP_SGI_40) |
| supp |= BIT(IWL_TLC_MNG_CH_WIDTH_40MHZ); |
| if (vht_cap->cap & IEEE80211_VHT_CAP_SHORT_GI_80) |
| supp |= BIT(IWL_TLC_MNG_CH_WIDTH_80MHZ); |
| if (vht_cap->cap & IEEE80211_VHT_CAP_SHORT_GI_160) |
| supp |= BIT(IWL_TLC_MNG_CH_WIDTH_160MHZ); |
| |
| return supp; |
| } |
| |
| static u16 rs_fw_get_config_flags(struct iwl_mvm *mvm, |
| struct ieee80211_sta *sta, |
| struct ieee80211_supported_band *sband) |
| { |
| struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap; |
| struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap; |
| struct ieee80211_sta_he_cap *he_cap = &sta->he_cap; |
| bool vht_ena = vht_cap->vht_supported; |
| u16 flags = 0; |
| |
| if (mvm->cfg->ht_params->stbc && |
| (num_of_ant(iwl_mvm_get_valid_tx_ant(mvm)) > 1)) { |
| if (he_cap->has_he) { |
| if (he_cap->he_cap_elem.phy_cap_info[2] & |
| IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ) |
| flags |= IWL_TLC_MNG_CFG_FLAGS_STBC_MSK; |
| |
| if (he_cap->he_cap_elem.phy_cap_info[7] & |
| IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ) |
| flags |= IWL_TLC_MNG_CFG_FLAGS_HE_STBC_160MHZ_MSK; |
| } else if ((ht_cap->cap & IEEE80211_HT_CAP_RX_STBC) || |
| (vht_ena && |
| (vht_cap->cap & IEEE80211_VHT_CAP_RXSTBC_MASK))) |
| flags |= IWL_TLC_MNG_CFG_FLAGS_STBC_MSK; |
| } |
| |
| if (mvm->cfg->ht_params->ldpc && |
| ((ht_cap->cap & IEEE80211_HT_CAP_LDPC_CODING) || |
| (vht_ena && (vht_cap->cap & IEEE80211_VHT_CAP_RXLDPC)))) |
| flags |= IWL_TLC_MNG_CFG_FLAGS_LDPC_MSK; |
| |
| /* consider LDPC support in case of HE */ |
| if (he_cap->has_he && (he_cap->he_cap_elem.phy_cap_info[1] & |
| IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD)) |
| flags |= IWL_TLC_MNG_CFG_FLAGS_LDPC_MSK; |
| |
| if (sband->iftype_data && sband->iftype_data->he_cap.has_he && |
| !(sband->iftype_data->he_cap.he_cap_elem.phy_cap_info[1] & |
| IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD)) |
| flags &= ~IWL_TLC_MNG_CFG_FLAGS_LDPC_MSK; |
| |
| if (he_cap->has_he && |
| (he_cap->he_cap_elem.phy_cap_info[3] & |
| IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK)) |
| flags |= IWL_TLC_MNG_CFG_FLAGS_HE_DCM_NSS_1_MSK; |
| |
| return flags; |
| } |
| |
| static |
| int rs_fw_vht_highest_rx_mcs_index(const struct ieee80211_sta_vht_cap *vht_cap, |
| int nss) |
| { |
| u16 rx_mcs = le16_to_cpu(vht_cap->vht_mcs.rx_mcs_map) & |
| (0x3 << (2 * (nss - 1))); |
| rx_mcs >>= (2 * (nss - 1)); |
| |
| switch (rx_mcs) { |
| case IEEE80211_VHT_MCS_SUPPORT_0_7: |
| return IWL_TLC_MNG_HT_RATE_MCS7; |
| case IEEE80211_VHT_MCS_SUPPORT_0_8: |
| return IWL_TLC_MNG_HT_RATE_MCS8; |
| case IEEE80211_VHT_MCS_SUPPORT_0_9: |
| return IWL_TLC_MNG_HT_RATE_MCS9; |
| default: |
| WARN_ON_ONCE(1); |
| break; |
| } |
| |
| return 0; |
| } |
| |
| static void |
| rs_fw_vht_set_enabled_rates(const struct ieee80211_sta *sta, |
| const struct ieee80211_sta_vht_cap *vht_cap, |
| struct iwl_tlc_config_cmd *cmd) |
| { |
| u16 supp; |
| int i, highest_mcs; |
| u8 nss = sta->rx_nss; |
| |
| /* the station support only a single receive chain */ |
| if (sta->smps_mode == IEEE80211_SMPS_STATIC) |
| nss = 1; |
| |
| for (i = 0; i < nss && i < IWL_TLC_NSS_MAX; i++) { |
| highest_mcs = rs_fw_vht_highest_rx_mcs_index(vht_cap, i + 1); |
| if (!highest_mcs) |
| continue; |
| |
| supp = BIT(highest_mcs + 1) - 1; |
| if (sta->bandwidth == IEEE80211_STA_RX_BW_20) |
| supp &= ~BIT(IWL_TLC_MNG_HT_RATE_MCS9); |
| |
| cmd->ht_rates[i][IWL_TLC_HT_BW_NONE_160] = cpu_to_le16(supp); |
| if (sta->bandwidth == IEEE80211_STA_RX_BW_160) |
| cmd->ht_rates[i][IWL_TLC_HT_BW_160] = |
| cmd->ht_rates[i][IWL_TLC_HT_BW_NONE_160]; |
| } |
| } |
| |
| static u16 rs_fw_he_ieee80211_mcs_to_rs_mcs(u16 mcs) |
| { |
| switch (mcs) { |
| case IEEE80211_HE_MCS_SUPPORT_0_7: |
| return BIT(IWL_TLC_MNG_HT_RATE_MCS7 + 1) - 1; |
| case IEEE80211_HE_MCS_SUPPORT_0_9: |
| return BIT(IWL_TLC_MNG_HT_RATE_MCS9 + 1) - 1; |
| case IEEE80211_HE_MCS_SUPPORT_0_11: |
| return BIT(IWL_TLC_MNG_HT_RATE_MCS11 + 1) - 1; |
| case IEEE80211_HE_MCS_NOT_SUPPORTED: |
| return 0; |
| } |
| |
| WARN(1, "invalid HE MCS %d\n", mcs); |
| return 0; |
| } |
| |
| static void |
| rs_fw_he_set_enabled_rates(const struct ieee80211_sta *sta, |
| struct ieee80211_supported_band *sband, |
| struct iwl_tlc_config_cmd *cmd) |
| { |
| const struct ieee80211_sta_he_cap *he_cap = &sta->he_cap; |
| u16 mcs_160 = le16_to_cpu(he_cap->he_mcs_nss_supp.rx_mcs_160); |
| u16 mcs_80 = le16_to_cpu(he_cap->he_mcs_nss_supp.rx_mcs_80); |
| u16 tx_mcs_80 = |
| le16_to_cpu(sband->iftype_data->he_cap.he_mcs_nss_supp.tx_mcs_80); |
| u16 tx_mcs_160 = |
| le16_to_cpu(sband->iftype_data->he_cap.he_mcs_nss_supp.tx_mcs_160); |
| int i; |
| u8 nss = sta->rx_nss; |
| |
| /* the station support only a single receive chain */ |
| if (sta->smps_mode == IEEE80211_SMPS_STATIC) |
| nss = 1; |
| |
| for (i = 0; i < nss && i < IWL_TLC_NSS_MAX; i++) { |
| u16 _mcs_160 = (mcs_160 >> (2 * i)) & 0x3; |
| u16 _mcs_80 = (mcs_80 >> (2 * i)) & 0x3; |
| u16 _tx_mcs_160 = (tx_mcs_160 >> (2 * i)) & 0x3; |
| u16 _tx_mcs_80 = (tx_mcs_80 >> (2 * i)) & 0x3; |
| |
| /* If one side doesn't support - mark both as not supporting */ |
| if (_mcs_80 == IEEE80211_HE_MCS_NOT_SUPPORTED || |
| _tx_mcs_80 == IEEE80211_HE_MCS_NOT_SUPPORTED) { |
| _mcs_80 = IEEE80211_HE_MCS_NOT_SUPPORTED; |
| _tx_mcs_80 = IEEE80211_HE_MCS_NOT_SUPPORTED; |
| } |
| if (_mcs_80 > _tx_mcs_80) |
| _mcs_80 = _tx_mcs_80; |
| cmd->ht_rates[i][IWL_TLC_HT_BW_NONE_160] = |
| cpu_to_le16(rs_fw_he_ieee80211_mcs_to_rs_mcs(_mcs_80)); |
| |
| /* If one side doesn't support - mark both as not supporting */ |
| if (_mcs_160 == IEEE80211_HE_MCS_NOT_SUPPORTED || |
| _tx_mcs_160 == IEEE80211_HE_MCS_NOT_SUPPORTED) { |
| _mcs_160 = IEEE80211_HE_MCS_NOT_SUPPORTED; |
| _tx_mcs_160 = IEEE80211_HE_MCS_NOT_SUPPORTED; |
| } |
| if (_mcs_160 > _tx_mcs_160) |
| _mcs_160 = _tx_mcs_160; |
| cmd->ht_rates[i][IWL_TLC_HT_BW_160] = |
| cpu_to_le16(rs_fw_he_ieee80211_mcs_to_rs_mcs(_mcs_160)); |
| } |
| } |
| |
| static void rs_fw_set_supp_rates(struct ieee80211_sta *sta, |
| struct ieee80211_supported_band *sband, |
| struct iwl_tlc_config_cmd *cmd) |
| { |
| int i; |
| unsigned long tmp; |
| unsigned long supp; /* must be unsigned long for for_each_set_bit */ |
| const struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap; |
| const struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap; |
| const struct ieee80211_sta_he_cap *he_cap = &sta->he_cap; |
| |
| /* non HT rates */ |
| supp = 0; |
| tmp = sta->supp_rates[sband->band]; |
| for_each_set_bit(i, &tmp, BITS_PER_LONG) |
| supp |= BIT(sband->bitrates[i].hw_value); |
| |
| cmd->non_ht_rates = cpu_to_le16(supp); |
| cmd->mode = IWL_TLC_MNG_MODE_NON_HT; |
| |
| /* HT/VHT rates */ |
| if (he_cap->has_he) { |
| cmd->mode = IWL_TLC_MNG_MODE_HE; |
| rs_fw_he_set_enabled_rates(sta, sband, cmd); |
| } else if (vht_cap->vht_supported) { |
| cmd->mode = IWL_TLC_MNG_MODE_VHT; |
| rs_fw_vht_set_enabled_rates(sta, vht_cap, cmd); |
| } else if (ht_cap->ht_supported) { |
| cmd->mode = IWL_TLC_MNG_MODE_HT; |
| cmd->ht_rates[IWL_TLC_NSS_1][IWL_TLC_HT_BW_NONE_160] = |
| cpu_to_le16(ht_cap->mcs.rx_mask[0]); |
| |
| /* the station support only a single receive chain */ |
| if (sta->smps_mode == IEEE80211_SMPS_STATIC) |
| cmd->ht_rates[IWL_TLC_NSS_2][IWL_TLC_HT_BW_NONE_160] = |
| 0; |
| else |
| cmd->ht_rates[IWL_TLC_NSS_2][IWL_TLC_HT_BW_NONE_160] = |
| cpu_to_le16(ht_cap->mcs.rx_mask[1]); |
| } |
| } |
| |
| void iwl_mvm_tlc_update_notif(struct iwl_mvm *mvm, |
| struct iwl_rx_cmd_buffer *rxb) |
| { |
| struct iwl_rx_packet *pkt = rxb_addr(rxb); |
| struct iwl_tlc_update_notif *notif; |
| struct ieee80211_sta *sta; |
| struct iwl_mvm_sta *mvmsta; |
| struct iwl_lq_sta_rs_fw *lq_sta; |
| u32 flags; |
| |
| rcu_read_lock(); |
| |
| notif = (void *)pkt->data; |
| sta = rcu_dereference(mvm->fw_id_to_mac_id[notif->sta_id]); |
| if (IS_ERR_OR_NULL(sta)) { |
| IWL_ERR(mvm, "Invalid sta id (%d) in FW TLC notification\n", |
| notif->sta_id); |
| goto out; |
| } |
| |
| mvmsta = iwl_mvm_sta_from_mac80211(sta); |
| |
| if (!mvmsta) { |
| IWL_ERR(mvm, "Invalid sta id (%d) in FW TLC notification\n", |
| notif->sta_id); |
| goto out; |
| } |
| |
| flags = le32_to_cpu(notif->flags); |
| |
| lq_sta = &mvmsta->lq_sta.rs_fw; |
| |
| if (flags & IWL_TLC_NOTIF_FLAG_RATE) { |
| lq_sta->last_rate_n_flags = le32_to_cpu(notif->rate); |
| IWL_DEBUG_RATE(mvm, "new rate_n_flags: 0x%X\n", |
| lq_sta->last_rate_n_flags); |
| } |
| |
| if (flags & IWL_TLC_NOTIF_FLAG_AMSDU && !mvmsta->orig_amsdu_len) { |
| u16 size = le32_to_cpu(notif->amsdu_size); |
| int i; |
| |
| if (sta->max_amsdu_len < size) { |
| /* |
| * In debug sta->max_amsdu_len < size |
| * so also check with orig_amsdu_len which holds the |
| * original data before debugfs changed the value |
| */ |
| WARN_ON(mvmsta->orig_amsdu_len < size); |
| goto out; |
| } |
| |
| mvmsta->amsdu_enabled = le32_to_cpu(notif->amsdu_enabled); |
| mvmsta->max_amsdu_len = size; |
| sta->max_rc_amsdu_len = mvmsta->max_amsdu_len; |
| |
| for (i = 0; i < IWL_MAX_TID_COUNT; i++) { |
| if (mvmsta->amsdu_enabled & BIT(i)) |
| sta->max_tid_amsdu_len[i] = |
| iwl_mvm_max_amsdu_size(mvm, sta, i); |
| else |
| /* |
| * Not so elegant, but this will effectively |
| * prevent AMSDU on this TID |
| */ |
| sta->max_tid_amsdu_len[i] = 1; |
| } |
| |
| IWL_DEBUG_RATE(mvm, |
| "AMSDU update. AMSDU size: %d, AMSDU selected size: %d, AMSDU TID bitmap 0x%X\n", |
| le32_to_cpu(notif->amsdu_size), size, |
| mvmsta->amsdu_enabled); |
| } |
| out: |
| rcu_read_unlock(); |
| } |
| |
| static u16 rs_fw_get_max_amsdu_len(struct ieee80211_sta *sta) |
| { |
| const struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap; |
| const struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap; |
| |
| if (vht_cap->vht_supported) { |
| switch (vht_cap->cap & IEEE80211_VHT_CAP_MAX_MPDU_MASK) { |
| case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454: |
| return IEEE80211_MAX_MPDU_LEN_VHT_11454; |
| case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991: |
| return IEEE80211_MAX_MPDU_LEN_VHT_7991; |
| default: |
| return IEEE80211_MAX_MPDU_LEN_VHT_3895; |
| } |
| |
| } else if (ht_cap->ht_supported) { |
| if (ht_cap->cap & IEEE80211_HT_CAP_MAX_AMSDU) |
| /* |
| * agg is offloaded so we need to assume that agg |
| * are enabled and max mpdu in ampdu is 4095 |
| * (spec 802.11-2016 9.3.2.1) |
| */ |
| return IEEE80211_MAX_MPDU_LEN_HT_BA; |
| else |
| return IEEE80211_MAX_MPDU_LEN_HT_3839; |
| } |
| |
| /* in legacy mode no amsdu is enabled so return zero */ |
| return 0; |
| } |
| |
| void rs_fw_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta, |
| enum nl80211_band band, bool update) |
| { |
| struct ieee80211_hw *hw = mvm->hw; |
| struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); |
| struct iwl_lq_sta_rs_fw *lq_sta = &mvmsta->lq_sta.rs_fw; |
| u32 cmd_id = iwl_cmd_id(TLC_MNG_CONFIG_CMD, DATA_PATH_GROUP, 0); |
| struct ieee80211_supported_band *sband = hw->wiphy->bands[band]; |
| u16 max_amsdu_len = rs_fw_get_max_amsdu_len(sta); |
| struct iwl_tlc_config_cmd cfg_cmd = { |
| .sta_id = mvmsta->sta_id, |
| .max_ch_width = update ? |
| rs_fw_bw_from_sta_bw(sta) : RATE_MCS_CHAN_WIDTH_20, |
| .flags = cpu_to_le16(rs_fw_get_config_flags(mvm, sta, sband)), |
| .chains = rs_fw_set_active_chains(iwl_mvm_get_valid_tx_ant(mvm)), |
| .sgi_ch_width_supp = rs_fw_sgi_cw_support(sta), |
| .max_mpdu_len = cpu_to_le16(max_amsdu_len), |
| .amsdu = iwl_mvm_is_csum_supported(mvm), |
| }; |
| int ret; |
| |
| memset(lq_sta, 0, offsetof(typeof(*lq_sta), pers)); |
| |
| #ifdef CONFIG_IWLWIFI_DEBUGFS |
| iwl_mvm_reset_frame_stats(mvm); |
| #endif |
| rs_fw_set_supp_rates(sta, sband, &cfg_cmd); |
| |
| /* |
| * since TLC offload works with one mode we can assume |
| * that only vht/ht is used and also set it as station max amsdu |
| */ |
| sta->max_amsdu_len = max_amsdu_len; |
| |
| ret = iwl_mvm_send_cmd_pdu(mvm, cmd_id, CMD_ASYNC, sizeof(cfg_cmd), |
| &cfg_cmd); |
| if (ret) |
| IWL_ERR(mvm, "Failed to send rate scale config (%d)\n", ret); |
| } |
| |
| int rs_fw_tx_protection(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta, |
| bool enable) |
| { |
| /* TODO: need to introduce a new FW cmd since LQ cmd is not relevant */ |
| IWL_DEBUG_RATE(mvm, "tx protection - not implemented yet.\n"); |
| return 0; |
| } |
| |
| void iwl_mvm_rs_add_sta(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta) |
| { |
| struct iwl_lq_sta_rs_fw *lq_sta = &mvmsta->lq_sta.rs_fw; |
| |
| IWL_DEBUG_RATE(mvm, "create station rate scale window\n"); |
| |
| lq_sta->pers.drv = mvm; |
| lq_sta->pers.sta_id = mvmsta->sta_id; |
| lq_sta->pers.chains = 0; |
| memset(lq_sta->pers.chain_signal, 0, sizeof(lq_sta->pers.chain_signal)); |
| lq_sta->pers.last_rssi = S8_MIN; |
| lq_sta->last_rate_n_flags = 0; |
| |
| #ifdef CONFIG_MAC80211_DEBUGFS |
| lq_sta->pers.dbg_fixed_rate = 0; |
| #endif |
| } |