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authorEyal Shapira <eyal@wizery.com>2014-08-16 01:30:30 +0300
committerEmmanuel Grumbach <emmanuel.grumbach@intel.com>2014-09-14 12:56:38 +0300
commitf58220f6b9ba69c782eafbfe703be8c4bca6b33d (patch)
tree2b34f32766f85a1607d7a8ac7f5204c92230e8e4 /drivers/net/wireless/iwlwifi/mvm/rs.c
parentf3bd58f486acd954ca8d90f8733d752dbd98eec6 (diff)
downloadlwn-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.c10
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;
}