[PATCH] ath10k: disable burst mode

* [PATCH] ath10k: disable burst mode
@ 2015-03-25  8:14 ` Janusz Dziedzic
  0 siblings, 0 replies; 8+ messages in thread
From: Janusz Dziedzic @ 2015-03-25  8:14 UTC (permalink / raw)
  To: ath10k; +Cc: linux-wireless, Janusz Dziedzic

Firmwares that indicate BURST_SERVICE as enabled
could overwrite some wmm parameters (eg. txop).
This could lead IOT and balancing issues.
Hence disable this by default.

Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
---
 drivers/net/wireless/ath/ath10k/mac.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index 75dcd3a..b0d550b 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -3079,6 +3079,7 @@ static int ath10k_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
 static int ath10k_start(struct ieee80211_hw *hw)
 {
 	struct ath10k *ar = hw->priv;
+	u32 burst_enable;
 	int ret = 0;
 
 	/*
@@ -3133,6 +3134,15 @@ static int ath10k_start(struct ieee80211_hw *hw)
 		goto err_core_stop;
 	}
 
+	if (test_bit(WMI_SERVICE_BURST, ar->wmi.svc_map)) {
+		burst_enable = ar->wmi.pdev_param->burst_enable;
+		ret = ath10k_wmi_pdev_set_param(ar, burst_enable, 0);
+		if (ret) {
+			ath10k_warn(ar, "failed to disable burst: %d\n", ret);
+			goto err_core_stop;
+		}
+	}
+
 	if (ar->cfg_tx_chainmask)
 		__ath10k_set_antenna(ar, ar->cfg_tx_chainmask,
 				     ar->cfg_rx_chainmask);
-- 
1.9.1


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