From: Eyal Shapira <eyal@wizery.com>
Date: Sun, 14 Sep 2014 13:40:38 +0000 (+0300)
Subject: iwlwifi: mvm: limit aggregation size in low latency to 6
X-Git-Tag: firefly_0821_release~176^2~3001^2~75^2~82^2~7
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=ddfc1593737f36a04ec5e23e9cb0c6b2bad3f3a6;p=firefly-linux-kernel-4.4.55.git

iwlwifi: mvm: limit aggregation size in low latency to 6

This is a tradeoff between enabling better throughput for
bursty traffic and low latency. The number 6 was found to be
a good tradeoff for the Miracast use case which is the
major use case for low latency.

Signed-off-by: Eyal Shapira <eyalx.shapira@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
---

diff --git a/drivers/net/wireless/iwlwifi/mvm/ops.c b/drivers/net/wireless/iwlwifi/mvm/ops.c
index 9bf9de7927b9..15aa298ee79c 100644
--- a/drivers/net/wireless/iwlwifi/mvm/ops.c
+++ b/drivers/net/wireless/iwlwifi/mvm/ops.c
@@ -422,7 +422,7 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
 		mvm->first_agg_queue = 12;
 	}
 	mvm->sf_state = SF_UNINIT;
-	mvm->low_latency_agg_frame_limit = 1;
+	mvm->low_latency_agg_frame_limit = 6;
 
 	mutex_init(&mvm->mutex);
 	mutex_init(&mvm->d0i3_suspend_mutex);