From b74e31a9bc1013e69b85b139072485dc153453dd Mon Sep 17 00:00:00 2001 From: Wey-Yi Guy Date: Mon, 1 Mar 2010 17:23:50 -0800 Subject: iwlwifi: Recover TX flow stall due to stuck queue Monitors the internal TX queues periodically. When a queue is stuck for some unknown conditions causing the throughput to drop and the transfer is stop, the driver will force firmware reload and bring the system back to normal operational state. The iwlwifi devices behave differently in this regard so this feature is made part of the ops infrastructure so we can have more control on how to monitor and recover from tx queue stall case per device. Signed-off-by: Trieu 'Andrew' Nguyen Signed-off-by: Wey-Yi Guy Signed-off-by: Reinette Chatre --- drivers/net/wireless/iwlwifi/iwl-tx.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/net/wireless/iwlwifi/iwl-tx.c') diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c index 045e4a67344..34c983833a8 100644 --- a/drivers/net/wireless/iwlwifi/iwl-tx.c +++ b/drivers/net/wireless/iwlwifi/iwl-tx.c @@ -322,6 +322,8 @@ static int iwl_queue_init(struct iwl_priv *priv, struct iwl_queue *q, q->high_mark = 2; q->write_ptr = q->read_ptr = 0; + q->last_read_ptr = 0; + q->repeat_same_read_ptr = 0; return 0; } -- cgit v1.2.3-70-g09d2