diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm/rs.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/rs.c | 96 |
1 files changed, 76 insertions, 20 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/rs.c b/drivers/net/wireless/iwlwifi/mvm/rs.c index 6578498dd5af..dd457df9601e 100644 --- a/drivers/net/wireless/iwlwifi/mvm/rs.c +++ b/drivers/net/wireless/iwlwifi/mvm/rs.c @@ -1065,6 +1065,37 @@ static inline bool rs_rate_column_match(struct rs_rate *a, && ant_match; } +static inline enum rs_column rs_get_column_from_rate(struct rs_rate *rate) +{ + if (is_legacy(rate)) { + if (rate->ant == ANT_A) + return RS_COLUMN_LEGACY_ANT_A; + + if (rate->ant == ANT_B) + return RS_COLUMN_LEGACY_ANT_B; + + goto err; + } + + if (is_siso(rate)) { + if (rate->ant == ANT_A || rate->stbc || rate->bfer) + return rate->sgi ? RS_COLUMN_SISO_ANT_A_SGI : + RS_COLUMN_SISO_ANT_A; + + if (rate->ant == ANT_B) + return rate->sgi ? RS_COLUMN_SISO_ANT_B_SGI : + RS_COLUMN_SISO_ANT_B; + + goto err; + } + + if (is_mimo(rate)) + return rate->sgi ? RS_COLUMN_MIMO2_SGI : RS_COLUMN_MIMO2; + +err: + return RS_COLUMN_INVALID; +} + static u8 rs_get_tid(struct ieee80211_hdr *hdr) { u8 tid = IWL_MAX_TID_COUNT; @@ -1106,17 +1137,43 @@ void iwl_mvm_rs_tx_status(struct iwl_mvm *mvm, struct ieee80211_sta *sta, return; } + /* This packet was aggregated but doesn't carry status info */ + if ((info->flags & IEEE80211_TX_CTL_AMPDU) && + !(info->flags & IEEE80211_TX_STAT_AMPDU)) + return; + + rs_rate_from_ucode_rate(tx_resp_hwrate, info->band, &tx_resp_rate); + #ifdef CONFIG_MAC80211_DEBUGFS - /* Disable last tx check if we are debugging with fixed rate */ + /* Disable last tx check if we are debugging with fixed rate but + * update tx stats */ if (lq_sta->pers.dbg_fixed_rate) { - IWL_DEBUG_RATE(mvm, "Fixed rate. avoid rate scaling\n"); + int index = tx_resp_rate.index; + enum rs_column column; + int attempts, success; + + column = rs_get_column_from_rate(&tx_resp_rate); + if (WARN_ONCE(column == RS_COLUMN_INVALID, + "Can't map rate 0x%x to column", + tx_resp_hwrate)) + return; + + if (info->flags & IEEE80211_TX_STAT_AMPDU) { + attempts = info->status.ampdu_len; + success = info->status.ampdu_ack_len; + } else { + attempts = info->status.rates[0].count; + success = !!(info->flags & IEEE80211_TX_STAT_ACK); + } + + lq_sta->pers.tx_stats[column][index].total += attempts; + lq_sta->pers.tx_stats[column][index].success += success; + + IWL_DEBUG_RATE(mvm, "Fixed rate 0x%x success %d attempts %d\n", + tx_resp_hwrate, success, attempts); return; } #endif - /* This packet was aggregated but doesn't carry status info */ - if ((info->flags & IEEE80211_TX_CTL_AMPDU) && - !(info->flags & IEEE80211_TX_STAT_AMPDU)) - return; if (time_after(jiffies, (unsigned long)(lq_sta->last_tx + @@ -1142,7 +1199,6 @@ void iwl_mvm_rs_tx_status(struct iwl_mvm *mvm, struct ieee80211_sta *sta, table = &lq_sta->lq; lq_hwrate = le32_to_cpu(table->rs_table[0]); rs_rate_from_ucode_rate(lq_hwrate, info->band, &lq_rate); - rs_rate_from_ucode_rate(tx_resp_hwrate, info->band, &tx_resp_rate); /* Here we actually compare this rate to the latest LQ command */ if (!rs_rate_equal(&tx_resp_rate, &lq_rate, allow_ant_mismatch)) { @@ -3343,16 +3399,16 @@ static ssize_t rs_sta_dbgfs_scale_table_read(struct file *file, (is_legacy(rate)) ? "legacy" : is_vht(rate) ? "VHT" : "HT"); if (!is_legacy(rate)) { - desc += sprintf(buff+desc, " %s", + desc += sprintf(buff + desc, " %s", (is_siso(rate)) ? "SISO" : "MIMO2"); - desc += sprintf(buff+desc, " %s", - (is_ht20(rate)) ? "20MHz" : - (is_ht40(rate)) ? "40MHz" : - (is_ht80(rate)) ? "80Mhz" : "BAD BW"); - desc += sprintf(buff+desc, " %s %s %s\n", - (rate->sgi) ? "SGI" : "NGI", - (rate->ldpc) ? "LDPC" : "BCC", - (lq_sta->is_agg) ? "AGG on" : ""); + desc += sprintf(buff + desc, " %s", + (is_ht20(rate)) ? "20MHz" : + (is_ht40(rate)) ? "40MHz" : + (is_ht80(rate)) ? "80Mhz" : "BAD BW"); + desc += sprintf(buff + desc, " %s %s %s\n", + (rate->sgi) ? "SGI" : "NGI", + (rate->ldpc) ? "LDPC" : "BCC", + (lq_sta->is_agg) ? "AGG on" : ""); } desc += sprintf(buff+desc, "last tx rate=0x%X\n", lq_sta->last_rate_n_flags); @@ -3373,13 +3429,13 @@ static ssize_t rs_sta_dbgfs_scale_table_read(struct file *file, ss_params = le32_to_cpu(lq_sta->lq.ss_params); desc += sprintf(buff+desc, "single stream params: %s%s%s%s\n", (ss_params & LQ_SS_PARAMS_VALID) ? - "VALID," : "INVALID", + "VALID" : "INVALID", (ss_params & LQ_SS_BFER_ALLOWED) ? - "BFER," : "", + ", BFER" : "", (ss_params & LQ_SS_STBC_1SS_ALLOWED) ? - "STBC," : "", + ", STBC" : "", (ss_params & LQ_SS_FORCE) ? - "FORCE" : ""); + ", FORCE" : ""); desc += sprintf(buff+desc, "Start idx [0]=0x%x [1]=0x%x [2]=0x%x [3]=0x%x\n", lq_sta->lq.initial_rate_index[0], |