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Commit 32b01726 authored by Eyal Shapira's avatar Eyal Shapira Committed by Emmanuel Grumbach
Browse files

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: default avatarEyal Shapira <eyal@wizery.com>
Signed-off-by: default avatarEmmanuel Grumbach <emmanuel.grumbach@intel.com>
parent c48075d2

drivers/net/wireless/iwlwifi/mvm/rs.c

+3 −3
Original line number Diff line number Diff line
@@ -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.