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>
diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h
index 68f3646..db57dd4 100644
--- a/drivers/net/wireless/mwifiex/main.h
+++ b/drivers/net/wireless/mwifiex/main.h
@@ -440,6 +440,7 @@
u8 wmm_enabled;
u8 wmm_qosinfo;
struct mwifiex_wmm_desc wmm;
+ atomic_t wmm_tx_pending[IEEE80211_NUM_ACS];
struct list_head sta_list;
/* spin lock for associated station list */
spinlock_t sta_list_spinlock;
@@ -789,7 +790,7 @@
struct mwifiex_tx_param *tx_param);
int mwifiex_send_null_packet(struct mwifiex_private *priv, u8 flags);
int mwifiex_write_data_complete(struct mwifiex_adapter *adapter,
- struct sk_buff *skb, int status);
+ struct sk_buff *skb, int aggr, int status);
void mwifiex_clean_txrx(struct mwifiex_private *priv);
u8 mwifiex_check_last_packet_indication(struct mwifiex_private *priv);
void mwifiex_check_ps_cond(struct mwifiex_adapter *adapter);