diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c | 588 |
1 files changed, 411 insertions, 177 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c index 6f4d241d47e9..89ac4c6b3e54 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c @@ -1,71 +1,19 @@ -/****************************************************************************** - * - * 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. - * - *****************************************************************************/ +// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause +/* + * Copyright (C) 2017 Intel Deutschland GmbH + * Copyright (C) 2018-2025 Intel Corporation + */ #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) +static u8 rs_fw_bw_from_sta_bw(const struct ieee80211_link_sta *link_sta) { - switch (sta->bandwidth) { + switch (link_sta->bandwidth) { + case IEEE80211_STA_RX_BW_320: + return IWL_TLC_MNG_CH_WIDTH_320MHZ; case IEEE80211_STA_RX_BW_160: return IWL_TLC_MNG_CH_WIDTH_160MHZ; case IEEE80211_STA_RX_BW_80: @@ -86,19 +34,15 @@ static u8 rs_fw_set_active_chains(u8 chains) 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) +static u8 rs_fw_sgi_cw_support(struct ieee80211_link_sta *link_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; + struct ieee80211_sta_ht_cap *ht_cap = &link_sta->ht_cap; + struct ieee80211_sta_vht_cap *vht_cap = &link_sta->vht_cap; + struct ieee80211_sta_he_cap *he_cap = &link_sta->he_cap; u8 supp = 0; if (he_cap->has_he) @@ -117,32 +61,29 @@ static u8 rs_fw_sgi_cw_support(struct ieee80211_sta *sta) } static u16 rs_fw_get_config_flags(struct iwl_mvm *mvm, - struct ieee80211_sta *sta, - struct ieee80211_supported_band *sband) + struct ieee80211_vif *vif, + struct ieee80211_link_sta *link_sta, + const struct ieee80211_sta_he_cap *sband_he_cap) { - 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; + struct ieee80211_sta_ht_cap *ht_cap = &link_sta->ht_cap; + struct ieee80211_sta_vht_cap *vht_cap = &link_sta->vht_cap; + struct ieee80211_sta_he_cap *he_cap = &link_sta->he_cap; bool vht_ena = vht_cap->vht_supported; u16 flags = 0; - if (mvm->cfg->ht_params->stbc && + /* get STBC flags */ + 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))) + if (he_cap->has_he && 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; + else if (vht_cap->cap & IEEE80211_VHT_CAP_RXSTBC_MASK) + flags |= IWL_TLC_MNG_CFG_FLAGS_STBC_MSK; + else if (ht_cap->cap & IEEE80211_HT_CAP_RX_STBC) flags |= IWL_TLC_MNG_CFG_FLAGS_STBC_MSK; } - if (mvm->cfg->ht_params->ldpc && + 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; @@ -152,14 +93,17 @@ static u16 rs_fw_get_config_flags(struct iwl_mvm *mvm, 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)) + if (sband_he_cap && + !(sband_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)) + IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK && + sband_he_cap && + sband_he_cap->he_cap_elem.phy_cap_info[3] & + IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK)) flags |= IWL_TLC_MNG_CFG_FLAGS_HE_DCM_NSS_1_MSK; return flags; @@ -189,31 +133,45 @@ int rs_fw_vht_highest_rx_mcs_index(const struct ieee80211_sta_vht_cap *vht_cap, } static void -rs_fw_vht_set_enabled_rates(const struct ieee80211_sta *sta, +rs_fw_vht_set_enabled_rates(const struct ieee80211_link_sta *link_sta, const struct ieee80211_sta_vht_cap *vht_cap, - struct iwl_tlc_config_cmd *cmd) + struct iwl_tlc_config_cmd_v4 *cmd) { u16 supp; int i, highest_mcs; - u8 nss = sta->rx_nss; + u8 max_nss = link_sta->rx_nss; + struct ieee80211_vht_cap ieee_vht_cap = { + .vht_cap_info = cpu_to_le32(vht_cap->cap), + .supp_mcs = vht_cap->vht_mcs, + }; /* the station support only a single receive chain */ - if (sta->smps_mode == IEEE80211_SMPS_STATIC) - nss = 1; + if (link_sta->smps_mode == IEEE80211_SMPS_STATIC) + max_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); + for (i = 0; i < max_nss && i < IWL_TLC_NSS_MAX; i++) { + int nss = i + 1; + + highest_mcs = rs_fw_vht_highest_rx_mcs_index(vht_cap, nss); if (!highest_mcs) continue; supp = BIT(highest_mcs + 1) - 1; - if (sta->bandwidth == IEEE80211_STA_RX_BW_20) + if (link_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]; + cmd->ht_rates[i][IWL_TLC_MCS_PER_BW_80] = cpu_to_le16(supp); + /* + * Check if VHT extended NSS indicates that the bandwidth/NSS + * configuration is supported - only for MCS 0 since we already + * decoded the MCS bits anyway ourselves. + */ + if (link_sta->bandwidth == IEEE80211_STA_RX_BW_160 && + ieee80211_get_vht_max_nss(&ieee_vht_cap, + IEEE80211_VHT_CHANWIDTH_160MHZ, + 0, true, nss) >= nss) + cmd->ht_rates[i][IWL_TLC_MCS_PER_BW_160] = + cmd->ht_rates[i][IWL_TLC_MCS_PER_BW_80]; } } @@ -235,22 +193,20 @@ static u16 rs_fw_he_ieee80211_mcs_to_rs_mcs(u16 mcs) } static void -rs_fw_he_set_enabled_rates(const struct ieee80211_sta *sta, - struct ieee80211_supported_band *sband, - struct iwl_tlc_config_cmd *cmd) +rs_fw_he_set_enabled_rates(const struct ieee80211_link_sta *link_sta, + const struct ieee80211_sta_he_cap *sband_he_cap, + struct iwl_tlc_config_cmd_v4 *cmd) { - const struct ieee80211_sta_he_cap *he_cap = &sta->he_cap; + const struct ieee80211_sta_he_cap *he_cap = &link_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); + u16 tx_mcs_80 = le16_to_cpu(sband_he_cap->he_mcs_nss_supp.tx_mcs_80); + u16 tx_mcs_160 = le16_to_cpu(sband_he_cap->he_mcs_nss_supp.tx_mcs_160); int i; - u8 nss = sta->rx_nss; + u8 nss = link_sta->rx_nss; /* the station support only a single receive chain */ - if (sta->smps_mode == IEEE80211_SMPS_STATIC) + if (link_sta->smps_mode == IEEE80211_SMPS_STATIC) nss = 1; for (i = 0; i < nss && i < IWL_TLC_NSS_MAX; i++) { @@ -267,7 +223,7 @@ rs_fw_he_set_enabled_rates(const struct ieee80211_sta *sta, } if (_mcs_80 > _tx_mcs_80) _mcs_80 = _tx_mcs_80; - cmd->ht_rates[i][IWL_TLC_HT_BW_NONE_160] = + cmd->ht_rates[i][IWL_TLC_MCS_PER_BW_80] = cpu_to_le16(rs_fw_he_ieee80211_mcs_to_rs_mcs(_mcs_80)); /* If one side doesn't support - mark both as not supporting */ @@ -278,25 +234,151 @@ rs_fw_he_set_enabled_rates(const struct ieee80211_sta *sta, } if (_mcs_160 > _tx_mcs_160) _mcs_160 = _tx_mcs_160; - cmd->ht_rates[i][IWL_TLC_HT_BW_160] = + cmd->ht_rates[i][IWL_TLC_MCS_PER_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, +static u8 rs_fw_eht_max_nss(u8 rx_nss, u8 tx_nss) +{ + u8 tx = u8_get_bits(tx_nss, IEEE80211_EHT_MCS_NSS_TX); + u8 rx = u8_get_bits(rx_nss, IEEE80211_EHT_MCS_NSS_RX); + /* the max nss that can be used, + * is the min with our tx capa and the peer rx capa. + */ + return min(tx, rx); +} + +#define MAX_NSS_MCS(mcs_num, rx, tx) \ + rs_fw_eht_max_nss((rx)->rx_tx_mcs ##mcs_num## _max_nss, \ + (tx)->rx_tx_mcs ##mcs_num## _max_nss) + +static void rs_fw_set_eht_mcs_nss(__le16 ht_rates[][3], + enum IWL_TLC_MCS_PER_BW bw, + u8 max_nss, u16 mcs_msk) +{ + if (max_nss >= 2) + ht_rates[IWL_TLC_NSS_2][bw] |= cpu_to_le16(mcs_msk); + + if (max_nss >= 1) + ht_rates[IWL_TLC_NSS_1][bw] |= cpu_to_le16(mcs_msk); +} + +static const +struct ieee80211_eht_mcs_nss_supp_bw * +rs_fw_rs_mcs2eht_mcs(enum IWL_TLC_MCS_PER_BW bw, + const struct ieee80211_eht_mcs_nss_supp *eht_mcs) +{ + switch (bw) { + case IWL_TLC_MCS_PER_BW_80: + return &eht_mcs->bw._80; + case IWL_TLC_MCS_PER_BW_160: + return &eht_mcs->bw._160; + case IWL_TLC_MCS_PER_BW_320: + return &eht_mcs->bw._320; + default: + return NULL; + } +} + +static void +rs_fw_eht_set_enabled_rates(struct ieee80211_vif *vif, + const struct ieee80211_link_sta *link_sta, + const struct ieee80211_sta_he_cap *sband_he_cap, + const struct ieee80211_sta_eht_cap *sband_eht_cap, + struct iwl_tlc_config_cmd_v4 *cmd) +{ + /* peer RX mcs capa */ + const struct ieee80211_eht_mcs_nss_supp *eht_rx_mcs = + &link_sta->eht_cap.eht_mcs_nss_supp; + /* our TX mcs capa */ + const struct ieee80211_eht_mcs_nss_supp *eht_tx_mcs = + &sband_eht_cap->eht_mcs_nss_supp; + + enum IWL_TLC_MCS_PER_BW bw; + struct ieee80211_eht_mcs_nss_supp_20mhz_only mcs_rx_20; + struct ieee80211_eht_mcs_nss_supp_20mhz_only mcs_tx_20; + + /* peer is 20Mhz only */ + if (vif->type == NL80211_IFTYPE_AP && + !(link_sta->he_cap.he_cap_elem.phy_cap_info[0] & + IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK_ALL)) { + mcs_rx_20 = eht_rx_mcs->only_20mhz; + } else { + mcs_rx_20.rx_tx_mcs7_max_nss = eht_rx_mcs->bw._80.rx_tx_mcs9_max_nss; + mcs_rx_20.rx_tx_mcs9_max_nss = eht_rx_mcs->bw._80.rx_tx_mcs9_max_nss; + mcs_rx_20.rx_tx_mcs11_max_nss = eht_rx_mcs->bw._80.rx_tx_mcs11_max_nss; + mcs_rx_20.rx_tx_mcs13_max_nss = eht_rx_mcs->bw._80.rx_tx_mcs13_max_nss; + } + + /* nic is 20Mhz only */ + if (!(sband_he_cap->he_cap_elem.phy_cap_info[0] & + IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK_ALL)) { + mcs_tx_20 = eht_tx_mcs->only_20mhz; + } else { + mcs_tx_20.rx_tx_mcs7_max_nss = eht_tx_mcs->bw._80.rx_tx_mcs9_max_nss; + mcs_tx_20.rx_tx_mcs9_max_nss = eht_tx_mcs->bw._80.rx_tx_mcs9_max_nss; + mcs_tx_20.rx_tx_mcs11_max_nss = eht_tx_mcs->bw._80.rx_tx_mcs11_max_nss; + mcs_tx_20.rx_tx_mcs13_max_nss = eht_tx_mcs->bw._80.rx_tx_mcs13_max_nss; + } + + /* rates for 20/40/80 bw */ + bw = IWL_TLC_MCS_PER_BW_80; + rs_fw_set_eht_mcs_nss(cmd->ht_rates, bw, + MAX_NSS_MCS(7, &mcs_rx_20, &mcs_tx_20), GENMASK(7, 0)); + rs_fw_set_eht_mcs_nss(cmd->ht_rates, bw, + MAX_NSS_MCS(9, &mcs_rx_20, &mcs_tx_20), GENMASK(9, 8)); + rs_fw_set_eht_mcs_nss(cmd->ht_rates, bw, + MAX_NSS_MCS(11, &mcs_rx_20, &mcs_tx_20), GENMASK(11, 10)); + rs_fw_set_eht_mcs_nss(cmd->ht_rates, bw, + MAX_NSS_MCS(13, &mcs_rx_20, &mcs_tx_20), GENMASK(13, 12)); + + /* rate for 160/320 bw */ + for (bw = IWL_TLC_MCS_PER_BW_160; bw <= IWL_TLC_MCS_PER_BW_320; bw++) { + const struct ieee80211_eht_mcs_nss_supp_bw *mcs_rx = + rs_fw_rs_mcs2eht_mcs(bw, eht_rx_mcs); + const struct ieee80211_eht_mcs_nss_supp_bw *mcs_tx = + rs_fw_rs_mcs2eht_mcs(bw, eht_tx_mcs); + + /* got unsupported index for bw */ + if (!mcs_rx || !mcs_tx) + continue; + + /* break out if we don't support the bandwidth */ + if (cmd->max_ch_width < (bw + IWL_TLC_MNG_CH_WIDTH_80MHZ)) + break; + + rs_fw_set_eht_mcs_nss(cmd->ht_rates, bw, + MAX_NSS_MCS(9, mcs_rx, mcs_tx), GENMASK(9, 0)); + rs_fw_set_eht_mcs_nss(cmd->ht_rates, bw, + MAX_NSS_MCS(11, mcs_rx, mcs_tx), GENMASK(11, 10)); + rs_fw_set_eht_mcs_nss(cmd->ht_rates, bw, + MAX_NSS_MCS(13, mcs_rx, mcs_tx), GENMASK(13, 12)); + } + + /* the station support only a single receive chain */ + if (link_sta->smps_mode == IEEE80211_SMPS_STATIC || + link_sta->rx_nss < 2) + memset(cmd->ht_rates[IWL_TLC_NSS_2], 0, + sizeof(cmd->ht_rates[IWL_TLC_NSS_2])); +} + +static void rs_fw_set_supp_rates(struct ieee80211_vif *vif, + struct ieee80211_link_sta *link_sta, struct ieee80211_supported_band *sband, - struct iwl_tlc_config_cmd *cmd) + const struct ieee80211_sta_he_cap *sband_he_cap, + const struct ieee80211_sta_eht_cap *sband_eht_cap, + struct iwl_tlc_config_cmd_v4 *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; + u16 supp = 0; + unsigned long tmp; /* must be unsigned long for for_each_set_bit */ + const struct ieee80211_sta_ht_cap *ht_cap = &link_sta->ht_cap; + const struct ieee80211_sta_vht_cap *vht_cap = &link_sta->vht_cap; + const struct ieee80211_sta_he_cap *he_cap = &link_sta->he_cap; /* non HT rates */ - supp = 0; - tmp = sta->supp_rates[sband->band]; + tmp = link_sta->supp_rates[sband->band]; for_each_set_bit(i, &tmp, BITS_PER_LONG) supp |= BIT(sband->bitrates[i].hw_value); @@ -304,23 +386,27 @@ static void rs_fw_set_supp_rates(struct ieee80211_sta *sta, cmd->mode = IWL_TLC_MNG_MODE_NON_HT; /* HT/VHT rates */ - if (he_cap->has_he) { + if (link_sta->eht_cap.has_eht && sband_he_cap && sband_eht_cap) { + cmd->mode = IWL_TLC_MNG_MODE_EHT; + rs_fw_eht_set_enabled_rates(vif, link_sta, sband_he_cap, + sband_eht_cap, cmd); + } else if (he_cap->has_he && sband_he_cap) { cmd->mode = IWL_TLC_MNG_MODE_HE; - rs_fw_he_set_enabled_rates(sta, sband, cmd); + rs_fw_he_set_enabled_rates(link_sta, sband_he_cap, cmd); } else if (vht_cap->vht_supported) { cmd->mode = IWL_TLC_MNG_MODE_VHT; - rs_fw_vht_set_enabled_rates(sta, vht_cap, cmd); + rs_fw_vht_set_enabled_rates(link_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] = + cmd->ht_rates[IWL_TLC_NSS_1][IWL_TLC_MCS_PER_BW_80] = 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] = + if (link_sta->smps_mode == IEEE80211_SMPS_STATIC) + cmd->ht_rates[IWL_TLC_NSS_2][IWL_TLC_MCS_PER_BW_80] = 0; else - cmd->ht_rates[IWL_TLC_NSS_2][IWL_TLC_HT_BW_NONE_160] = + cmd->ht_rates[IWL_TLC_NSS_2][IWL_TLC_MCS_PER_BW_80] = cpu_to_le16(ht_cap->mcs.rx_mask[1]); } } @@ -331,70 +417,88 @@ void iwl_mvm_tlc_update_notif(struct iwl_mvm *mvm, struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_tlc_update_notif *notif; struct ieee80211_sta *sta; + struct ieee80211_link_sta *link_sta; struct iwl_mvm_sta *mvmsta; + struct iwl_mvm_link_sta *mvm_link_sta; struct iwl_lq_sta_rs_fw *lq_sta; u32 flags; rcu_read_lock(); notif = (void *)pkt->data; + link_sta = rcu_dereference(mvm->fw_id_to_link_sta[notif->sta_id]); 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); + if (IS_ERR_OR_NULL(sta) || !link_sta) { + /* can happen in remove station flow where mvm removed internally + * the station before removing from FW + */ + IWL_DEBUG_RATE(mvm, + "Invalid mvm RCU pointer for sta id (%d) in 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; + mvm_link_sta = rcu_dereference(mvmsta->link[link_sta->link_id]); + if (!mvm_link_sta) { + IWL_DEBUG_RATE(mvm, + "Invalid mvmsta RCU pointer for link (%d) of sta id (%d) in TLC notification\n", + link_sta->link_id, notif->sta_id); + goto out; + } + lq_sta = &mvm_link_sta->lq_sta.rs_fw; if (flags & IWL_TLC_NOTIF_FLAG_RATE) { char pretty_rate[100]; - lq_sta->last_rate_n_flags = le32_to_cpu(notif->rate); + + lq_sta->last_rate_n_flags = + iwl_mvm_v3_rate_from_fw(notif->rate, mvm->fw_rates_ver); rs_pretty_print_rate(pretty_rate, sizeof(pretty_rate), lq_sta->last_rate_n_flags); - IWL_DEBUG_RATE(mvm, "new rate: %s\n", pretty_rate); + IWL_DEBUG_RATE(mvm, "rate: %s\n", pretty_rate); } - if (flags & IWL_TLC_NOTIF_FLAG_AMSDU && !mvmsta->orig_amsdu_len) { + if (flags & IWL_TLC_NOTIF_FLAG_AMSDU && !mvm_link_sta->orig_amsdu_len) { + u32 enabled = le32_to_cpu(notif->amsdu_enabled); u16 size = le32_to_cpu(notif->amsdu_size); int i; - if (sta->max_amsdu_len < size) { + if (size < 2000) { + size = 0; + enabled = 0; + } + + if (link_sta->agg.max_amsdu_len < size) { /* - * In debug sta->max_amsdu_len < size + * In debug link_sta->agg.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); + WARN_ON(mvm_link_sta->orig_amsdu_len < size); goto out; } - mvmsta->amsdu_enabled = le32_to_cpu(notif->amsdu_enabled); + mvmsta->amsdu_enabled = enabled; mvmsta->max_amsdu_len = size; - sta->max_rc_amsdu_len = mvmsta->max_amsdu_len; + link_sta->agg.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] = + link_sta->agg.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; + link_sta->agg.max_tid_amsdu_len[i] = 1; } + ieee80211_sta_recalc_aggregates(sta); + 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, @@ -404,12 +508,39 @@ out: rcu_read_unlock(); } -u16 rs_fw_get_max_amsdu_len(struct ieee80211_sta *sta) +u16 rs_fw_get_max_amsdu_len(struct ieee80211_sta *sta, + struct ieee80211_bss_conf *link_conf, + struct ieee80211_link_sta *link_sta) { - const struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap; - const struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap; + const struct ieee80211_sta_vht_cap *vht_cap = &link_sta->vht_cap; + const struct ieee80211_sta_ht_cap *ht_cap = &link_sta->ht_cap; + const struct ieee80211_sta_eht_cap *eht_cap = &link_sta->eht_cap; + + if (WARN_ON_ONCE(!link_conf->chanreq.oper.chan)) + return IEEE80211_MAX_MPDU_LEN_VHT_3895; - if (vht_cap->vht_supported) { + if (link_conf->chanreq.oper.chan->band == NL80211_BAND_6GHZ) { + switch (le16_get_bits(link_sta->he_6ghz_capa.capa, + IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN)) { + 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 (link_conf->chanreq.oper.chan->band == NL80211_BAND_2GHZ && + eht_cap->has_eht) { + switch (u8_get_bits(eht_cap->eht_cap_elem.mac_cap_info[0], + IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_MASK)) { + case IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_11454: + return IEEE80211_MAX_MPDU_LEN_VHT_11454; + case IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_7991: + return IEEE80211_MAX_MPDU_LEN_VHT_7991; + default: + return IEEE80211_MAX_MPDU_LEN_VHT_3895; + } + } else 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; @@ -434,42 +565,126 @@ u16 rs_fw_get_max_amsdu_len(struct ieee80211_sta *sta) return 0; } -void rs_fw_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta, - enum nl80211_band band, bool update) +void iwl_mvm_rs_fw_rate_init(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct ieee80211_bss_conf *link_conf, + struct ieee80211_link_sta *link_sta, + enum nl80211_band band) { 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); + u32 cmd_id = WIDE_ID(DATA_PATH_GROUP, TLC_MNG_CONFIG_CMD); 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)), + u16 max_amsdu_len = rs_fw_get_max_amsdu_len(sta, link_conf, link_sta); + const struct ieee80211_sta_he_cap *sband_he_cap = + ieee80211_get_he_iftype_cap_vif(sband, vif); + const struct ieee80211_sta_eht_cap *sband_eht_cap = + ieee80211_get_eht_iftype_cap_vif(sband, vif); + struct iwl_mvm_link_sta *mvm_link_sta; + struct iwl_lq_sta_rs_fw *lq_sta; + struct iwl_tlc_config_cmd_v4 cfg_cmd = { + .max_ch_width = mvmsta->authorized ? + rs_fw_bw_from_sta_bw(link_sta) : IWL_TLC_MNG_CH_WIDTH_20MHZ, + .flags = cpu_to_le16(rs_fw_get_config_flags(mvm, vif, link_sta, + sband_he_cap)), .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), + .sgi_ch_width_supp = rs_fw_sgi_cw_support(link_sta), + .max_mpdu_len = iwl_mvm_is_csum_supported(mvm) ? + cpu_to_le16(max_amsdu_len) : 0, }; + unsigned int link_id = link_conf->link_id; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(mvmsta->vif); + int cmd_ver; int ret; + /* Enable extra EHT LTF if there's mutual support by AP and client */ + if (sband_eht_cap && + sband_eht_cap->eht_cap_elem.phy_cap_info[5] & + IEEE80211_EHT_PHY_CAP5_SUPP_EXTRA_EHT_LTF && + link_sta->eht_cap.has_eht && + link_sta->eht_cap.eht_cap_elem.phy_cap_info[5] & + IEEE80211_EHT_PHY_CAP5_SUPP_EXTRA_EHT_LTF) { + IWL_DEBUG_RATE(mvm, "Set support for Extra EHT LTF\n"); + cfg_cmd.flags |= + cpu_to_le16(IWL_TLC_MNG_CFG_FLAGS_EHT_EXTRA_LTF_MSK); + } + + rcu_read_lock(); + mvm_link_sta = rcu_dereference(mvmsta->link[link_id]); + if (WARN_ON_ONCE(!mvm_link_sta)) { + rcu_read_unlock(); + return; + } + + cfg_cmd.sta_id = mvm_link_sta->sta_id; + + lq_sta = &mvm_link_sta->lq_sta.rs_fw; memset(lq_sta, 0, offsetof(typeof(*lq_sta), pers)); + rcu_read_unlock(); + #ifdef CONFIG_IWLWIFI_DEBUGFS iwl_mvm_reset_frame_stats(mvm); #endif - rs_fw_set_supp_rates(sta, sband, &cfg_cmd); + rs_fw_set_supp_rates(vif, link_sta, sband, + sband_he_cap, sband_eht_cap, + &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; + link_sta->agg.max_amsdu_len = max_amsdu_len; + ieee80211_sta_recalc_aggregates(sta); + + cfg_cmd.max_tx_op = cpu_to_le16(mvmvif->max_tx_op); + + cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, 0); + IWL_DEBUG_RATE(mvm, "TLC CONFIG CMD, sta_id=%d, max_ch_width=%d, mode=%d\n", + cfg_cmd.sta_id, cfg_cmd.max_ch_width, cfg_cmd.mode); + IWL_DEBUG_RATE(mvm, "TLC CONFIG CMD, chains=0x%X, ch_wid_supp=%d, flags=0x%X\n", + cfg_cmd.chains, cfg_cmd.sgi_ch_width_supp, cfg_cmd.flags); + IWL_DEBUG_RATE(mvm, "TLC CONFIG CMD, mpdu_len=%d, no_ht_rate=0x%X, tx_op=%d\n", + cfg_cmd.max_mpdu_len, cfg_cmd.non_ht_rates, cfg_cmd.max_tx_op); + IWL_DEBUG_RATE(mvm, "TLC CONFIG CMD, ht_rate[0][0]=0x%X, ht_rate[1][0]=0x%X\n", + cfg_cmd.ht_rates[0][0], cfg_cmd.ht_rates[1][0]); + IWL_DEBUG_RATE(mvm, "TLC CONFIG CMD, ht_rate[0][1]=0x%X, ht_rate[1][1]=0x%X\n", + cfg_cmd.ht_rates[0][1], cfg_cmd.ht_rates[1][1]); + IWL_DEBUG_RATE(mvm, "TLC CONFIG CMD, ht_rate[0][2]=0x%X, ht_rate[1][2]=0x%X\n", + cfg_cmd.ht_rates[0][2], cfg_cmd.ht_rates[1][2]); + if (cmd_ver == 4) { + ret = iwl_mvm_send_cmd_pdu(mvm, cmd_id, CMD_ASYNC, + sizeof(cfg_cmd), &cfg_cmd); + } else if (cmd_ver < 4) { + struct iwl_tlc_config_cmd_v3 cfg_cmd_v3 = { + .sta_id = cfg_cmd.sta_id, + .max_ch_width = cfg_cmd.max_ch_width, + .mode = cfg_cmd.mode, + .chains = cfg_cmd.chains, + .amsdu = !!cfg_cmd.max_mpdu_len, + .flags = cfg_cmd.flags, + .non_ht_rates = cfg_cmd.non_ht_rates, + .ht_rates[0][0] = cfg_cmd.ht_rates[0][0], + .ht_rates[0][1] = cfg_cmd.ht_rates[0][1], + .ht_rates[1][0] = cfg_cmd.ht_rates[1][0], + .ht_rates[1][1] = cfg_cmd.ht_rates[1][1], + .sgi_ch_width_supp = cfg_cmd.sgi_ch_width_supp, + .max_mpdu_len = cfg_cmd.max_mpdu_len, + }; + + u16 cmd_size = sizeof(cfg_cmd_v3); + + /* In old versions of the API the struct is 4 bytes smaller */ + if (iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, 0) < 3) + cmd_size -= 4; + + ret = iwl_mvm_send_cmd_pdu(mvm, cmd_id, CMD_ASYNC, cmd_size, + &cfg_cmd_v3); + } else { + ret = -EINVAL; + } - 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); } @@ -482,16 +697,18 @@ int rs_fw_tx_protection(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta, return 0; } -void iwl_mvm_rs_add_sta(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta) +void iwl_mvm_rs_add_sta_link(struct iwl_mvm *mvm, + struct iwl_mvm_link_sta *link_sta) { - struct iwl_lq_sta_rs_fw *lq_sta = &mvmsta->lq_sta.rs_fw; + struct iwl_lq_sta_rs_fw *lq_sta; - IWL_DEBUG_RATE(mvm, "create station rate scale window\n"); + lq_sta = &link_sta->lq_sta.rs_fw; lq_sta->pers.drv = mvm; - lq_sta->pers.sta_id = mvmsta->sta_id; + lq_sta->pers.sta_id = link_sta->sta_id; lq_sta->pers.chains = 0; - memset(lq_sta->pers.chain_signal, 0, sizeof(lq_sta->pers.chain_signal)); + 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; @@ -499,3 +716,20 @@ void iwl_mvm_rs_add_sta(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta) lq_sta->pers.dbg_fixed_rate = 0; #endif } + +void iwl_mvm_rs_add_sta(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta) +{ + unsigned int link_id; + + IWL_DEBUG_RATE(mvm, "create station rate scale window\n"); + + for (link_id = 0; link_id < ARRAY_SIZE(mvmsta->link); link_id++) { + struct iwl_mvm_link_sta *link = + rcu_dereference_protected(mvmsta->link[link_id], + lockdep_is_held(&mvm->mutex)); + if (!link) + continue; + + iwl_mvm_rs_add_sta_link(mvm, link); + } +} |