From e5fd91f1ef340da553f7a79da9540c3db711c937 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Tue, 8 Sep 2015 01:01:14 -0300 Subject: Linux-libre 4.2-gnu --- drivers/net/wireless/iwlwifi/mvm/rs.c | 44 ++++++++++++----------------------- 1 file changed, 15 insertions(+), 29 deletions(-) (limited to 'drivers/net/wireless/iwlwifi/mvm/rs.c') diff --git a/drivers/net/wireless/iwlwifi/mvm/rs.c b/drivers/net/wireless/iwlwifi/mvm/rs.c index 33cd68ae7..daff1d0a8 100644 --- a/drivers/net/wireless/iwlwifi/mvm/rs.c +++ b/drivers/net/wireless/iwlwifi/mvm/rs.c @@ -1,7 +1,7 @@ /****************************************************************************** * * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved. - * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH + * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * * 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 @@ -138,7 +138,7 @@ struct rs_tx_column; typedef bool (*allow_column_func_t) (struct iwl_mvm *mvm, struct ieee80211_sta *sta, - struct iwl_scale_tbl_info *tbl, + struct rs_rate *rate, const struct rs_tx_column *next_col); struct rs_tx_column { @@ -150,14 +150,14 @@ struct rs_tx_column { }; static bool rs_ant_allow(struct iwl_mvm *mvm, struct ieee80211_sta *sta, - struct iwl_scale_tbl_info *tbl, + struct rs_rate *rate, const struct rs_tx_column *next_col) { return iwl_mvm_bt_coex_is_ant_avail(mvm, next_col->ant); } static bool rs_mimo_allow(struct iwl_mvm *mvm, struct ieee80211_sta *sta, - struct iwl_scale_tbl_info *tbl, + struct rs_rate *rate, const struct rs_tx_column *next_col) { struct iwl_mvm_sta *mvmsta; @@ -187,7 +187,7 @@ static bool rs_mimo_allow(struct iwl_mvm *mvm, struct ieee80211_sta *sta, } static bool rs_siso_allow(struct iwl_mvm *mvm, struct ieee80211_sta *sta, - struct iwl_scale_tbl_info *tbl, + struct rs_rate *rate, const struct rs_tx_column *next_col) { if (!sta->ht_cap.ht_supported) @@ -197,10 +197,9 @@ static bool rs_siso_allow(struct iwl_mvm *mvm, struct ieee80211_sta *sta, } static bool rs_sgi_allow(struct iwl_mvm *mvm, struct ieee80211_sta *sta, - struct iwl_scale_tbl_info *tbl, + struct rs_rate *rate, const struct rs_tx_column *next_col) { - struct rs_rate *rate = &tbl->rate; struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap; struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap; @@ -1128,8 +1127,8 @@ void iwl_mvm_rs_tx_status(struct iwl_mvm *mvm, struct ieee80211_sta *sta, u32 tx_resp_hwrate = (uintptr_t)info->status.status_driver_data[1]; struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); struct iwl_lq_sta *lq_sta = &mvmsta->lq_sta; - bool allow_ant_mismatch = mvm->fw->ucode_capa.api[0] & - IWL_UCODE_TLV_API_LQ_SS_PARAMS; + bool allow_ant_mismatch = fw_has_api(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_API_LQ_SS_PARAMS); /* Treat uninitialized rate scaling data same as non-existing. */ if (!lq_sta) { @@ -1659,7 +1658,8 @@ static enum rs_column rs_get_next_column(struct iwl_mvm *mvm, for (j = 0; j < MAX_COLUMN_CHECKS; j++) { allow_func = next_col->checks[j]; - if (allow_func && !allow_func(mvm, sta, tbl, next_col)) + if (allow_func && !allow_func(mvm, sta, &tbl->rate, + next_col)) break; } @@ -2136,7 +2136,7 @@ static void rs_rate_scale_perform(struct iwl_mvm *mvm, } /* current tx rate */ - index = lq_sta->last_txrate_idx; + index = rate->index; /* rates available for this association, and for modulation mode */ rate_mask = rs_get_supported_rates(lq_sta, rate); @@ -2184,14 +2184,7 @@ static void rs_rate_scale_perform(struct iwl_mvm *mvm, * or search for a new one? */ rs_stay_in_table(lq_sta, false); - goto out; - } - /* Else we have enough samples; calculate estimate of - * actual average throughput */ - if (window->average_tpt != ((window->success_ratio * - tbl->expected_tpt[index] + 64) / 128)) { - window->average_tpt = ((window->success_ratio * - tbl->expected_tpt[index] + 64) / 128); + return; } /* If we are searching for better modulation mode, check success. */ @@ -2403,9 +2396,6 @@ lq_update: rs_set_stay_in_table(mvm, 0, lq_sta); } } - -out: - lq_sta->last_txrate_idx = index; } struct rs_init_rate_info { @@ -2548,7 +2538,6 @@ static void rs_initialize_lq(struct iwl_mvm *mvm, rate = &tbl->rate; rs_get_initial_rate(mvm, lq_sta, band, rate); - lq_sta->last_txrate_idx = rate->index; WARN_ON_ONCE(rate->ant != ANT_A && rate->ant != ANT_B); if (rate->ant == ANT_A) @@ -2725,7 +2714,7 @@ static void rs_vht_init(struct iwl_mvm *mvm, (vht_cap->cap & IEEE80211_VHT_CAP_RXSTBC_MASK)) lq_sta->stbc_capable = true; - if ((mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_BEAMFORMER) && + if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_BEAMFORMER) && (num_of_ant(iwl_mvm_get_valid_tx_ant(mvm)) > 1) && (vht_cap->cap & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE)) lq_sta->bfer_capable = true; @@ -3009,7 +2998,7 @@ static void rs_build_rates_table(struct iwl_mvm *mvm, valid_tx_ant = iwl_mvm_get_valid_tx_ant(mvm); /* TODO: remove old API when min FW API hits 14 */ - if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LQ_SS_PARAMS) && + if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_LQ_SS_PARAMS) && rs_stbc_allow(mvm, sta, lq_sta)) rate.stbc = true; @@ -3223,12 +3212,9 @@ static void rs_fill_lq_cmd(struct iwl_mvm *mvm, rs_build_rates_table(mvm, sta, lq_sta, initial_rate); - if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LQ_SS_PARAMS) + if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_LQ_SS_PARAMS)) rs_set_lq_ss_params(mvm, sta, lq_sta, initial_rate); - if (num_of_ant(initial_rate->ant) == 1) - lq_cmd->single_stream_ant_msk = initial_rate->ant; - mvmsta = iwl_mvm_sta_from_mac80211(sta); mvmvif = iwl_mvm_vif_from_mac80211(mvmsta->vif); -- cgit v1.2.3-54-g00ecf