Re: [PATCH RFC] tun: experimental zero copy tx support
From: Michael S. Tsirkin
Date: Mon May 14 2012 - 13:04:14 EST
On Mon, May 14, 2012 at 09:54:46AM -0700, Stephen Hemminger wrote:
> On Sun, 13 May 2012 18:52:06 +0300
> "Michael S. Tsirkin" <mst@xxxxxxxxxx> wrote:
> > + /* Userspace may produce vectors with count greater than
> > + * MAX_SKB_FRAGS, so we need to linearize parts of the skb
> > + * to let the rest of data to be fit in the frags.
> > + */
> Rather than complex partial code, just go through slow path for
> requests with too many frags (or for really small requests).
> Creating mixed skb's seems too easy to get wrong.
I don't object in principle but macvtap has same code
so seems better to stay consistent.
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