On Monday 07 April 2008 17:35:28 David Miller wrote:
> From: Rusty Russell <[EMAIL PROTECTED]>
> Date: Mon, 7 Apr 2008 17:24:51 +1000
>
> > On Monday 07 April 2008 15:13:44 Herbert Xu wrote:
> > > On second thought, this is not going to work. The network stack
> > > can clone individual pages out
From: Rusty Russell <[EMAIL PROTECTED]>
Date: Mon, 7 Apr 2008 17:24:51 +1000
> On Monday 07 April 2008 15:13:44 Herbert Xu wrote:
> > On second thought, this is not going to work. The network stack
> > can clone individual pages out of this skb and put it into a new
> > skb. Therefore whatever s
On Monday 07 April 2008 15:13:44 Herbert Xu wrote:
> Rusty Russell <[EMAIL PROTECTED]> wrote:
> > +/* We are done with this skb: put it in the used pile. */
> > +static void skb_finished(struct skb_shared_info *sinfo)
> > +{
> > + struct skb_shinfo_tun *sht = (void *)(sinfo + 1);
> > +
> > +
Rusty Russell <[EMAIL PROTECTED]> wrote:
>
> +/* We are done with this skb: put it in the used pile. */
> +static void skb_finished(struct skb_shared_info *sinfo)
> +{
> + struct skb_shinfo_tun *sht = (void *)(sinfo + 1);
> +
> + /* FIXME: Race prevention */
> + vring_used_buffer_
This patch modifies tun to allow a vringfd to specify the send
buffer. The user does a write to push out packets from the buffer.
Again, more thought needs to be put into the possible races with ring
registration.
Again we use the 'struct virtio_net_hdr' to allow userspace to send
GSO packets.
