On Thu, 2011-05-26 at 22:55 +0200, Eric Dumazet wrote:
> Le jeudi 26 mai 2011 à 13:24 -0700, Shirley Ma a écrit :
>
> > I could reduce callback pointer by moving it to *arg, but not desc,
> this
> > indicates that which buffer DMA hasn't done yet in *arg.
>
>
> I guess you dont need to use skb i
Le jeudi 26 mai 2011 à 13:24 -0700, Shirley Ma a écrit :
> I could reduce callback pointer by moving it to *arg, but not desc, this
> indicates that which buffer DMA hasn't done yet in *arg.
I guess you dont need to use skb itself to hold all your states ?
I understand its convenient for you, b
On Thu, 2011-05-26 at 22:04 +0200, Eric Dumazet wrote:
> Le jeudi 26 mai 2011 à 12:36 -0700, Shirley Ma a écrit :
> > This patch adds userspace buffers support in skb shared info. A new
> > struct skb_ubuf_info is needed to maintain the userspace buffers
> > argument and index, a callback is used
Le jeudi 26 mai 2011 à 12:36 -0700, Shirley Ma a écrit :
> This patch adds userspace buffers support in skb shared info. A new
> struct skb_ubuf_info is needed to maintain the userspace buffers
> argument and index, a callback is used to notify userspace to release
> the buffers once lower device
This patch adds userspace buffers support in skb shared info. A new
struct skb_ubuf_info is needed to maintain the userspace buffers
argument and index, a callback is used to notify userspace to release
the buffers once lower device has done DMA (Last reference to that skb
has gone).
If there is
