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[1/2] ath10k: fix rts profile for second rate series

Message ID 1425385230-25308-1-git-send-email-rmanohar@qti.qualcomm.com (mailing list archive)
State Changes Requested
Headers show

Commit Message

Rajkumar Manoharan March 3, 2015, 12:20 p.m. UTC 
By default rts protection is enabled in firmware for the second
rateset. Currently ath10k selects RTS profile (only for software
retries), when legacy stations are associated or asked by mac80211.
On congested environment, when AP is running in HT/VHT mode and
there are no legacy clients associated, this will impact the
robustness. Also enabling RTS protection only for second rateset will
not impact performance on clear environment. Fix that.

Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/mac.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
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Patch

diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index 84a243e..37141b3 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -798,12 +798,14 @@  static int ath10k_recalc_rtscts_prot(struct ath10k_vif *arvif)
 
 	vdev_param = ar->wmi.vdev_param->enable_rtscts;
 
-	if (arvif->use_cts_prot || arvif->num_legacy_stations > 0)
-		rts_cts |= SM(WMI_RTSCTS_ENABLED, WMI_RTSCTS_SET);
+	rts_cts |= SM(WMI_RTSCTS_ENABLED, WMI_RTSCTS_SET);
 
 	if (arvif->num_legacy_stations > 0)
 		rts_cts |= SM(WMI_RTSCTS_ACROSS_SW_RETRIES,
 			      WMI_RTSCTS_PROFILE);
+	else
+		rts_cts |= SM(WMI_RTSCTS_FOR_SECOND_RATESERIES,
+			      WMI_RTSCTS_PROFILE);
 
 	return ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
 					 rts_cts);