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authorAvinash Patil2012-11-02 02:44:16 +0100
committerJohn W. Linville2012-11-14 20:55:37 +0100
commit47411a06c0c44b3c9dc2feffb0d97785ec9aaa68 (patch)
tree4464ca983493e93fb688eb471d7c28ec0be78fa6 /drivers/net/wireless/mwifiex/sta_ioctl.c
parentmwifiex: add support for SDIO card reset (diff)
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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 <patila@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/mwifiex/sta_ioctl.c')
-rw-r--r--drivers/net/wireless/mwifiex/sta_ioctl.c6
1 files changed, 2 insertions, 4 deletions
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);