diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm/rs.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/rs.c | 50 |
1 files changed, 26 insertions, 24 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/rs.c b/drivers/net/wireless/iwlwifi/mvm/rs.c index 56b636d9ab30..55334d542e26 100644 --- a/drivers/net/wireless/iwlwifi/mvm/rs.c +++ b/drivers/net/wireless/iwlwifi/mvm/rs.c @@ -680,12 +680,14 @@ static int rs_toggle_antenna(u32 valid_ant, u32 *rate_n_flags, */ static bool rs_use_green(struct ieee80211_sta *sta) { - struct iwl_mvm_sta *sta_priv = (void *)sta->drv_priv; - - bool use_green = !(sta_priv->vif->bss_conf.ht_operation_mode & - IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT); - - return (sta->ht_cap.cap & IEEE80211_HT_CAP_GRN_FLD) && use_green; + /* + * There's a bug somewhere in this code that causes the + * scaling to get stuck because GF+SGI can't be combined + * in SISO rates. Until we find that bug, disable GF, it + * has only limited benefit and we still interoperate with + * GF APs since we can always receive GF transmissions. + */ + return false; } /** @@ -791,7 +793,7 @@ static u32 rs_get_lower_rate(struct iwl_lq_sta *lq_sta, if (num_of_ant(tbl->ant_type) > 1) tbl->ant_type = - first_antenna(mvm->nvm_data->valid_tx_ant); + first_antenna(iwl_fw_valid_tx_ant(mvm->fw)); tbl->is_ht40 = 0; tbl->is_SGI = 0; @@ -1233,7 +1235,7 @@ static int rs_switch_to_mimo2(struct iwl_mvm *mvm, return -1; /* Need both Tx chains/antennas to support MIMO */ - if (num_of_ant(mvm->nvm_data->valid_tx_ant) < 2) + if (num_of_ant(iwl_fw_valid_tx_ant(mvm->fw)) < 2) return -1; IWL_DEBUG_RATE(mvm, "LQ: try to switch to MIMO2\n"); @@ -1285,7 +1287,7 @@ static int rs_switch_to_mimo3(struct iwl_mvm *mvm, return -1; /* Need both Tx chains/antennas to support MIMO */ - if (num_of_ant(mvm->nvm_data->valid_tx_ant) < 3) + if (num_of_ant(iwl_fw_valid_tx_ant(mvm->fw)) < 3) return -1; IWL_DEBUG_RATE(mvm, "LQ: try to switch to MIMO3\n"); @@ -1379,7 +1381,7 @@ static int rs_move_legacy_other(struct iwl_mvm *mvm, u32 sz = (sizeof(struct iwl_scale_tbl_info) - (sizeof(struct iwl_rate_scale_data) * IWL_RATE_COUNT)); u8 start_action; - u8 valid_tx_ant = mvm->nvm_data->valid_tx_ant; + u8 valid_tx_ant = iwl_fw_valid_tx_ant(mvm->fw); u8 tx_chains_num = num_of_ant(valid_tx_ant); int ret; u8 update_search_tbl_counter = 0; @@ -1512,7 +1514,7 @@ static int rs_move_siso_to_other(struct iwl_mvm *mvm, u32 sz = (sizeof(struct iwl_scale_tbl_info) - (sizeof(struct iwl_rate_scale_data) * IWL_RATE_COUNT)); u8 start_action; - u8 valid_tx_ant = mvm->nvm_data->valid_tx_ant; + u8 valid_tx_ant = iwl_fw_valid_tx_ant(mvm->fw); u8 tx_chains_num = num_of_ant(valid_tx_ant); u8 update_search_tbl_counter = 0; int ret; @@ -1647,7 +1649,7 @@ static int rs_move_mimo2_to_other(struct iwl_mvm *mvm, u32 sz = (sizeof(struct iwl_scale_tbl_info) - (sizeof(struct iwl_rate_scale_data) * IWL_RATE_COUNT)); u8 start_action; - u8 valid_tx_ant = mvm->nvm_data->valid_tx_ant; + u8 valid_tx_ant = iwl_fw_valid_tx_ant(mvm->fw); u8 tx_chains_num = num_of_ant(valid_tx_ant); u8 update_search_tbl_counter = 0; int ret; @@ -1784,7 +1786,7 @@ static int rs_move_mimo3_to_other(struct iwl_mvm *mvm, u32 sz = (sizeof(struct iwl_scale_tbl_info) - (sizeof(struct iwl_rate_scale_data) * IWL_RATE_COUNT)); u8 start_action; - u8 valid_tx_ant = mvm->nvm_data->valid_tx_ant; + u8 valid_tx_ant = iwl_fw_valid_tx_ant(mvm->fw); u8 tx_chains_num = num_of_ant(valid_tx_ant); int ret; u8 update_search_tbl_counter = 0; @@ -2447,7 +2449,7 @@ static void rs_initialize_lq(struct iwl_mvm *mvm, i = lq_sta->last_txrate_idx; - valid_tx_ant = mvm->nvm_data->valid_tx_ant; + valid_tx_ant = iwl_fw_valid_tx_ant(mvm->fw); if (!lq_sta->search_better_tbl) active_tbl = lq_sta->active_tbl; @@ -2637,15 +2639,15 @@ void iwl_mvm_rs_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta, /* These values will be overridden later */ lq_sta->lq.single_stream_ant_msk = - first_antenna(mvm->nvm_data->valid_tx_ant); + first_antenna(iwl_fw_valid_tx_ant(mvm->fw)); lq_sta->lq.dual_stream_ant_msk = - mvm->nvm_data->valid_tx_ant & - ~first_antenna(mvm->nvm_data->valid_tx_ant); + iwl_fw_valid_tx_ant(mvm->fw) & + ~first_antenna(iwl_fw_valid_tx_ant(mvm->fw)); if (!lq_sta->lq.dual_stream_ant_msk) { lq_sta->lq.dual_stream_ant_msk = ANT_AB; - } else if (num_of_ant(mvm->nvm_data->valid_tx_ant) == 2) { + } else if (num_of_ant(iwl_fw_valid_tx_ant(mvm->fw)) == 2) { lq_sta->lq.dual_stream_ant_msk = - mvm->nvm_data->valid_tx_ant; + iwl_fw_valid_tx_ant(mvm->fw); } /* as default allow aggregation for all tids */ @@ -2706,7 +2708,7 @@ static void rs_fill_link_cmd(struct iwl_mvm *mvm, index++; repeat_rate--; if (mvm) - valid_tx_ant = mvm->nvm_data->valid_tx_ant; + valid_tx_ant = iwl_fw_valid_tx_ant(mvm->fw); /* Fill rest of rate table */ while (index < LINK_QUAL_MAX_RETRY_NUM) { @@ -2811,7 +2813,7 @@ static void rs_dbgfs_set_mcs(struct iwl_lq_sta *lq_sta, u8 ant_sel_tx; mvm = lq_sta->drv; - valid_tx_ant = mvm->nvm_data->valid_tx_ant; + valid_tx_ant = iwl_fw_valid_tx_ant(mvm->fw); if (lq_sta->dbg_fixed_rate) { ant_sel_tx = ((lq_sta->dbg_fixed_rate & RATE_MCS_ANT_ABC_MSK) @@ -2882,9 +2884,9 @@ static ssize_t rs_sta_dbgfs_scale_table_read(struct file *file, desc += sprintf(buff+desc, "fixed rate 0x%X\n", lq_sta->dbg_fixed_rate); desc += sprintf(buff+desc, "valid_tx_ant %s%s%s\n", - (mvm->nvm_data->valid_tx_ant & ANT_A) ? "ANT_A," : "", - (mvm->nvm_data->valid_tx_ant & ANT_B) ? "ANT_B," : "", - (mvm->nvm_data->valid_tx_ant & ANT_C) ? "ANT_C" : ""); + (iwl_fw_valid_tx_ant(mvm->fw) & ANT_A) ? "ANT_A," : "", + (iwl_fw_valid_tx_ant(mvm->fw) & ANT_B) ? "ANT_B," : "", + (iwl_fw_valid_tx_ant(mvm->fw) & ANT_C) ? "ANT_C" : ""); desc += sprintf(buff+desc, "lq type %s\n", (is_legacy(tbl->lq_type)) ? "legacy" : "HT"); if (is_Ht(tbl->lq_type)) { |