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author | Eyal Shapira <eyal@wizery.com> | 2014-08-16 01:30:30 +0300 |
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committer | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2014-09-14 12:56:38 +0300 |
commit | f58220f6b9ba69c782eafbfe703be8c4bca6b33d (patch) | |
tree | 2b34f32766f85a1607d7a8ac7f5204c92230e8e4 /drivers/net/wireless/iwlwifi/mvm/rs.c | |
parent | f3bd58f486acd954ca8d90f8733d752dbd98eec6 (diff) | |
download | lwn-f58220f6b9ba69c782eafbfe703be8c4bca6b33d.tar.gz lwn-f58220f6b9ba69c782eafbfe703be8c4bca6b33d.zip |
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/net/wireless/iwlwifi/mvm/rs.c')
-rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/rs.c | 10 |
1 files changed, 6 insertions, 4 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; } |