netdev - RE: TCP performance regression

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Date:	Mon, 11 Nov 2013 15:43:35 -0000
From:	"David Laight" <David.Laight@...LAB.COM>
To:	"Eric Dumazet" <eric.dumazet@...il.com>
Cc:	"Sujith Manoharan" <sujith@...jith.org>, <netdev@...r.kernel.org>,
	"Dave Taht" <dave.taht@...il.com>
Subject: RE: TCP performance regression

> > Or, maybe:
> > 5) call skb_orphan() (I think that is the correct function) when transmit
> >    packets are given to the hardware.
> 
> This is the worth possible solution, as it basically re-enables
              ^^^^^ worst ?
> bufferbloat again.

It should be ok if the mac driver only gives the hardware a small
number of bytes/packets - or one appropriate for the link speed.

	David