diff options
| author | Eyal Shapira <eyal@wizery.com> | 2014-08-16 02:30:30 +0400 |
|---|---|---|
| committer | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2014-09-14 13:56:38 +0400 |
| commit | f58220f6b9ba69c782eafbfe703be8c4bca6b33d (patch) | |
| tree | 2b34f32766f85a1607d7a8ac7f5204c92230e8e4 /drivers | |
| parent | f3bd58f486acd954ca8d90f8733d752dbd98eec6 (diff) | |
| download | linux-f58220f6b9ba69c782eafbfe703be8c4bca6b33d.tar.xz | |
iwlwifi: mvm: rs: don't zero tx stats after idle
Move the tx stats to the persistent area of lq_sta to
avoid them being zeroed out every time rs reinitializes
which happens after tx idle for 5 secs for example.
The automatic zeroing out made them difficult to use.
Signed-off-by: Eyal Shapira <eyalx.shapira@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/rs.c | 10 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/rs.h | 7 |
2 files changed, 10 insertions, 7 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/rs.c b/drivers/net/wireless/iwlwifi/mvm/rs.c index 94c5299e823a..f77dfe4df074 100644 --- a/drivers/net/wireless/iwlwifi/mvm/rs.c +++ b/drivers/net/wireless/iwlwifi/mvm/rs.c @@ -672,8 +672,10 @@ static int rs_collect_tx_data(struct iwl_lq_sta *lq_sta, return -EINVAL; if (tbl->column != RS_COLUMN_INVALID) { - lq_sta->tx_stats[tbl->column][scale_index].total += attempts; - lq_sta->tx_stats[tbl->column][scale_index].success += successes; + struct lq_sta_pers *pers = &lq_sta->pers; + + pers->tx_stats[tbl->column][scale_index].total += attempts; + pers->tx_stats[tbl->column][scale_index].success += successes; } /* Select window for current tx bit rate */ @@ -3171,7 +3173,7 @@ static ssize_t rs_sta_dbgfs_drv_tx_stats_read(struct file *file, "%s,", column_name[col]); for (rate = 0; rate < IWL_RATE_COUNT; rate++) { - stats = &(lq_sta->tx_stats[col][rate]); + stats = &(lq_sta->pers.tx_stats[col][rate]); pos += scnprintf(pos, endpos - pos, "%llu/%llu,", stats->success, @@ -3190,7 +3192,7 @@ static ssize_t rs_sta_dbgfs_drv_tx_stats_write(struct file *file, size_t count, loff_t *ppos) { struct iwl_lq_sta *lq_sta = file->private_data; - memset(lq_sta->tx_stats, 0, sizeof(lq_sta->tx_stats)); + memset(lq_sta->pers.tx_stats, 0, sizeof(lq_sta->pers.tx_stats)); return count; } diff --git a/drivers/net/wireless/iwlwifi/mvm/rs.h b/drivers/net/wireless/iwlwifi/mvm/rs.h index 98bb9b7d69be..95c4b960fd71 100644 --- a/drivers/net/wireless/iwlwifi/mvm/rs.h +++ b/drivers/net/wireless/iwlwifi/mvm/rs.h @@ -333,8 +333,6 @@ struct iwl_lq_sta { bool ldpc; /* LDPC Rx is supported by the STA */ enum ieee80211_band band; - struct rs_rate_stats tx_stats[RS_COLUMN_COUNT][IWL_RATE_COUNT]; - /* The following are bitmaps of rates; IWL_RATE_6M_MASK, etc. */ unsigned long active_legacy_rate; unsigned long active_siso_rate; @@ -362,11 +360,14 @@ struct iwl_lq_sta { int tpc_reduce; /* persistent fields - initialized only once - keep last! */ - struct { + struct lq_sta_pers { #ifdef CONFIG_MAC80211_DEBUGFS u32 dbg_fixed_rate; u8 dbg_fixed_txp_reduction; #endif + u8 chains; + s8 chain_signal[IEEE80211_MAX_CHAINS]; + struct rs_rate_stats tx_stats[RS_COLUMN_COUNT][IWL_RATE_COUNT]; struct iwl_mvm *drv; } pers; }; |