From 47411a06c0c44b3c9dc2feffb0d97785ec9aaa68 Mon Sep 17 00:00:00 2001 From: Avinash Patil Date: Thu, 1 Nov 2012 18:44:16 -0700 Subject: mwifiex: add multi-queue support This patch adds support for multiple TX queues inside mwifiex driver. Four different queues according to WMM access categories are defined for each virtual interface. When a packet is received from netdev for transmission, tx pending count for particular queue is incremented and if tx pending count has reached upper water-mark, this queue is stopped instead of stopping all queues. Similarly when a packet is successfully transmitted from device, tx pending count is decremented per queue and if pending count falls below lower water-mark, queue operations are again resumed. This ensures that not all tranmission is blocked if traffic with particular TOS value suddenly increases. Also wake all queues after association/IBSS_join/uAP_BSS_start to enable traffic on all queues. Signed-off-by: Avinash Patil Signed-off-by: Bing Zhao Signed-off-by: John W. Linville --- drivers/net/wireless/mwifiex/sta_ioctl.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'drivers/net/wireless/mwifiex/sta_ioctl.c') diff --git a/drivers/net/wireless/mwifiex/sta_ioctl.c b/drivers/net/wireless/mwifiex/sta_ioctl.c index 552d72ed055a..c8b50c70a03d 100644 --- a/drivers/net/wireless/mwifiex/sta_ioctl.c +++ b/drivers/net/wireless/mwifiex/sta_ioctl.c @@ -276,8 +276,7 @@ int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss, dev_dbg(adapter->dev, "info: SSID found in scan list ... " "associating...\n"); - if (!netif_queue_stopped(priv->netdev)) - mwifiex_stop_net_dev_queue(priv->netdev, adapter); + mwifiex_stop_net_dev_queue(priv->netdev, adapter); if (netif_carrier_ok(priv->netdev)) netif_carrier_off(priv->netdev); @@ -318,8 +317,7 @@ int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss, ret = mwifiex_check_network_compatibility(priv, bss_desc); - if (!netif_queue_stopped(priv->netdev)) - mwifiex_stop_net_dev_queue(priv->netdev, adapter); + mwifiex_stop_net_dev_queue(priv->netdev, adapter); if (netif_carrier_ok(priv->netdev)) netif_carrier_off(priv->netdev); -- cgit v1.2.3-55-g7522