Commit 470ab2a2 authored Apr 29, 2011 by Rajkumar Manoharan Committed by John W. Linville May 05, 2011

mac80211: use wake_queue to restart trasmit



netif_tx_start_all_queues is used to allow the upper layer
to transmit frames but it does not restart transmission.
To restart the trasmission use netif_tx_wake_all_queues.
Not doing so, sometimes stalls the transmission and the
application has to be restarted to proceed further.

This issue was originally found while sending udp traffic
in higer bandwidth in open environment without bgscan.

Cc: stable@kernel.org
Signed-off-by: Rajkumar Manoharan <rmanoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

parent 2f6fc351

net/mac80211/mlme.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -781,7 +781,7 @@ void ieee80211_dynamic_ps_enable_work(struct work_struct *work)
		ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
		}

		netif_tx_start_all_queues(sdata->dev);
		netif_tx_wake_all_queues(sdata->dev);
		}

		void ieee80211_dynamic_ps_timer(unsigned long data)

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