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authorEyal Shapira <eyal@wizery.com>2013-11-22 09:41:38 +0200
committerEmmanuel Grumbach <emmanuel.grumbach@intel.com>2013-12-09 22:29:47 +0200
commit32b01726b944ea21e9c9dacfb34753a8e63ba877 (patch)
treed4d13c3dcb4015246237bdb1e50eb5d642f4653e
parentc48075d27db571ff1deeb6a0fda7bf1f0abeee4c (diff)
downloadlinux-32b01726b944ea21e9c9dacfb34753a8e63ba877.tar.bz2
iwlwifi: mvm: rs: increase stay in column timeout
Remain in the same Tx modulation (i.e. column) for a longer time before starting a search cycle for a better modulation. This has been shown to give better results. Also change the name of the timeout define to better match its description. Signed-off-by: Eyal Shapira <eyal@wizery.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
-rw-r--r--drivers/net/wireless/iwlwifi/mvm/rs.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/rs.c b/drivers/net/wireless/iwlwifi/mvm/rs.c
index a289b774ba6b..9249e52dafc9 100644
--- a/drivers/net/wireless/iwlwifi/mvm/rs.c
+++ b/drivers/net/wireless/iwlwifi/mvm/rs.c
@@ -52,8 +52,8 @@
/* max allowed rate miss before sync LQ cmd */
#define IWL_MISSED_RATE_MAX 15
-/* max time to accum history 2 seconds */
-#define IWL_RATE_SCALE_FLUSH_INTVL (3*HZ)
+#define RS_STAY_IN_COLUMN_TIMEOUT (5*HZ)
+
static u8 rs_ht_to_legacy[] = {
[IWL_RATE_1M_INDEX] = IWL_RATE_6M_INDEX,
@@ -1599,7 +1599,7 @@ static void rs_stay_in_table(struct iwl_lq_sta *lq_sta, bool force_search)
flush_interval_passed =
time_after(jiffies,
(unsigned long)(lq_sta->flush_timer +
- IWL_RATE_SCALE_FLUSH_INTVL));
+ RS_STAY_IN_COLUMN_TIMEOUT));
/*
* Check if we should allow search for new modulation mode.