From befebbb30af00386bb1579efcdf1bb2d0c574593 Mon Sep 17 00:00:00 2001 From: Gregory Greenman Date: Wed, 20 Feb 2019 11:31:10 +0200 Subject: iwlwifi: rs: consider LDPC capability in case of HE When building TLC configuration command, consider in case of HE, if LDPC support is turned on in our capabilities. Signed-off-by: Gregory Greenman Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c | 16 +++++++++++----- 1 file changed, 11 insertions(+), 5 deletions(-) (limited to 'drivers/net/wireless/intel/iwlwifi/mvm') diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c index 79f9eaf8dd1b..3ffdbfdb37c0 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c @@ -116,8 +116,9 @@ static u8 rs_fw_sgi_cw_support(struct ieee80211_sta *sta) return supp; } -static u16 rs_fw_set_config_flags(struct iwl_mvm *mvm, - 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_sta_ht_cap *ht_cap = &sta->ht_cap; struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap; @@ -147,6 +148,12 @@ static u16 rs_fw_set_config_flags(struct iwl_mvm *mvm, (vht_ena && (vht_cap->cap & IEEE80211_VHT_CAP_RXLDPC)))) flags |= IWL_TLC_MNG_CFG_FLAGS_LDPC_MSK; + /* consider our LDPC support in case of HE */ + 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 && he_cap->has_he && (he_cap->he_cap_elem.phy_cap_info[3] & IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK)) @@ -383,13 +390,13 @@ void rs_fw_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta, 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; + 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_set_config_flags(mvm, sta)), + .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), @@ -402,7 +409,6 @@ void rs_fw_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta, #ifdef CONFIG_IWLWIFI_DEBUGFS iwl_mvm_reset_frame_stats(mvm); #endif - sband = hw->wiphy->bands[band]; rs_fw_set_supp_rates(sta, sband, &cfg_cmd); /* -- cgit