Re: TSO not 10G friendly if peer is close enough

Eric Dumazet
2012-04-18T03:00:43Z

On Tue, 2012-04-17 at 17:47 -0400, David Miller wrote:
> From: Eric Dumazet <eric.dumazet@gmail.com>
> Date: Tue, 17 Apr 2012 23:38:42 +0200
>
> > Hmm... maybe tcp_trim_head should not trim but only update an offset in
> > skb... With some luck, offset can reach skb->len when all data is
> > ACKnowledged...
>
> This is definitely the way to fix this. Just essentially defer all
> the page operations until later when the entire SKB is consumed.

Yes, I'll implement this today.

Thanks