On Monday, November 28, 2016 4:14:04 PM EST Alex Sidorenko wrote:
> On Monday, November 28, 2016 3:54:59 PM EST David Miller wrote:
> > From: Alex Sidorenko
> > Date: Mon, 28 Nov 2016 15:49:26 -0500
> >
> > > Now the question is whether is is OK to have icsk->icsk_ack.rcv_mss
> > > larger than MT
On Mon, Nov 28, 2016 at 03:54:59PM -0500, David Miller wrote:
> From: Alex Sidorenko
> Date: Mon, 28 Nov 2016 15:49:26 -0500
>
> > Now the question is whether is is OK to have icsk->icsk_ack.rcv_mss
> > larger than MTU.
>
> It absolutely is not OK.
>
Would it make sense to add a pr_warn_once()
On Monday, November 28, 2016 3:54:59 PM EST David Miller wrote:
> From: Alex Sidorenko
> Date: Mon, 28 Nov 2016 15:49:26 -0500
>
> > Now the question is whether is is OK to have icsk->icsk_ack.rcv_mss
> > larger than MTU.
>
> It absolutely is not OK.
>
> If VMWare wants to receive large frames
From: Alex Sidorenko
Date: Mon, 28 Nov 2016 15:49:26 -0500
> Now the question is whether is is OK to have icsk->icsk_ack.rcv_mss
> larger than MTU.
It absolutely is not OK.
If VMWare wants to receive large frames for batching purposes it must
use GRO or similar to achieve that, not just send va
One of our customers has met a problem: TCP window closes and stays closed
forever even though receive buffer is empty. This problem has been reported for
RHEL6.8 and I think that the issue is in __tcp_select_window() subroutine.
Comparing sources of RHEL6.8 kernel and the latest upstream kernel