This patch introduces support of DMA SG if the USB host controller
which usbnet device is attached to is capable of building packet from
discontinuous buffers.
The patch supports passing the skb fragment buffers to usb stack directly
via urb-sg.
Cc: Eric Dumazet eric.duma...@gmail.com
Cc: Ben
On Mon, 2013-08-05 at 16:47 +0800, Ming Lei wrote:
@@ -1268,10 +1298,14 @@ netdev_tx_t usbnet_start_xmit (struct sk_buff *skb,
entry = (struct skb_data *) skb-cb;
entry-urb = urb;
entry-dev = dev;
- entry-length = length;
usb_fill_bulk_urb (urb, dev-udev,
On Mon, Aug 5, 2013 at 5:14 PM, Oliver Neukum oneu...@suse.de wrote:
On Mon, 2013-08-05 at 16:47 +0800, Ming Lei wrote:
@@ -1268,10 +1298,14 @@ netdev_tx_t usbnet_start_xmit (struct sk_buff *skb,
entry = (struct skb_data *) skb-cb;
entry-urb = urb;
entry-dev = dev;
-
