Re: [Xen-devel] [PATCH V3] xen/netfront: handle compound page fragments on transmit

[Eric Dumazet <eric.dumazet@xxxxxxxxx>]

On Wed, 2012-11-21 at 12:02 +0000, Ian Campbell wrote:
> An SKB paged fragment can consist of a compound page with order > 0.
> However the netchannel protocol deals only in PAGE_SIZE frames.
> 
> Handle this in xennet_make_frags by iterating over the frames which
> make up the page.
> 
> This is the netfront equivalent to 6a8ed462f16b for netback.
> 
> Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
> Cc: netdev@xxxxxxxxxxxxxxx
> Cc: xen-devel@xxxxxxxxxxxxx
> Cc: Eric Dumazet <edumazet@xxxxxxxxxx>
> Cc: Konrad Rzeszutek Wilk <konrad@xxxxxxxxxx>
> Cc: ANNIE LI <annie.li@xxxxxxxxxx>
> Cc: Sander Eikelenboom <linux@xxxxxxxxxxxxxx>
> Cc: Stefan Bader <stefan.bader@xxxxxxxxxxxxx>
> ---
> v3: limit to 80-characters. Use net_alert_ratelimited.
> v2: check we have enough room in the ring and that the other end can
>     cope with the number of slots in a single frame
> ---

Acked-by: Eric Dumazet <edumazet@xxxxxxxxxx>




_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel