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Re: [PATCH] Super TSO v3

To: "David S. Miller" <davem@xxxxxxxxxxxxx>
Subject: Re: [PATCH] Super TSO v3
From: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Date: Tue, 24 May 2005 10:32:08 +1000
Cc: netdev@xxxxxxxxxxx
In-reply-to: <20050523.121943.78708600.davem@xxxxxxxxxxxxx>
References: <20050523.121943.78708600.davem@xxxxxxxxxxxxx>
Sender: netdev-bounce@xxxxxxxxxxx
User-agent: Mutt/1.5.9i
On Mon, May 23, 2005 at 07:19:43PM +0000, David S. Miller wrote:
> The guts of the logic is in tcp_tso_should_defer().  And
> when dealing with a TSO frame, tcp_write_xmit() calls
> this instead of tcp_nagle_test().  So you can view this
> deferral as a sort of "TSO Nagle".

Should we skip this step if the socket has Nagle turned off?

Also why are we doing this check in tcp_push_one? The only
way we can get there is if the TSO goal has been reached
or there is out-of-band stuff to send.

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