From: "David S. Miller" <davem@davemloft.net>
To: Herbert Xu <herbert@gondor.apana.org.au>
Cc: netdev@oss.sgi.com
Subject: Re: design for TSO performance fix
Date: Thu, 27 Jan 2005 21:19:40 -0800 [thread overview]
Message-ID: <20050127211940.31f97ed3.davem@davemloft.net> (raw)
In-Reply-To: <E1CuKzJ-0001mY-00@gondolin.me.apana.org.au>
On Fri, 28 Jan 2005 12:31:53 +1100
Herbert Xu <herbert@gondor.apana.org.au> wrote:
> > 2) As a result of #1, all the pcount crap goes away.
> > The need for two MSS state variables (mss_cache,
> > and mss_cache_std) and assosciated complexity is
> > eliminated as well.
>
> Does this mean that we'll start counting bytes instead
> of packets?
>
> If not then please let me know on how you plan to do the
> packet counting.
Things will be same as what we have now, except multi-packet
SKBs will no longer exist in the retransmit queue.
> The other good thing about this is that if we do this for all
> packets including non-TSO ones, then the TCP stack doesn't have
> to own the TCP/IP headers at all. Then we can stop worrying
> about the TSO/COW mangling.
Hmmm, have to think about that some more.
next prev parent reply other threads:[~2005-01-28 5:19 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-28 0:31 design for TSO performance fix David S. Miller
2005-01-28 0:51 ` Rick Jones
2005-01-28 0:58 ` David S. Miller
2005-01-28 1:31 ` Herbert Xu
2005-01-28 5:19 ` David S. Miller [this message]
2005-01-28 5:44 ` Herbert Xu
2005-01-28 19:28 ` David S. Miller
2005-01-29 10:12 ` Herbert Xu
2005-01-28 1:57 ` Thomas Graf
2005-02-01 23:04 ` David S. Miller
2005-01-28 6:25 ` Andi Kleen
2005-01-28 6:44 ` Nivedita Singhvi
2005-01-28 19:30 ` David S. Miller
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