rtlwifi: usb: use usb_alloc_coherent for RX buffers
Use dedicated DMA coherent buffers for RX urbs, to avoid allocation of large
skbuffs in hard-irq context and improve performance.
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/rtlwifi/usb.h b/drivers/net/wireless/rtlwifi/usb.h
index fb986f9..22d7c68 100644
--- a/drivers/net/wireless/rtlwifi/usb.h
+++ b/drivers/net/wireless/rtlwifi/usb.h
@@ -141,6 +141,7 @@
u32 rx_max_size; /* Bulk IN max buffer size */
u32 rx_urb_num; /* How many Bulk INs are submitted to host. */
struct usb_anchor rx_submitted;
+ struct usb_anchor rx_cleanup_urbs;
void (*usb_rx_segregate_hdl)(struct ieee80211_hw *, struct sk_buff *,
struct sk_buff_head *);
void (*usb_rx_hdl)(struct ieee80211_hw *, struct sk_buff *);