From: Stephen Hemminger <shemminger@vyatta.com>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: David Miller <davem@davemloft.net>,
bhaskie@gmail.com, bhutchings@solarflare.com,
netdev@vger.kernel.org
Subject: Re: TCP-MD5 checksum failure on x86_64 SMP
Date: Fri, 7 May 2010 10:36:39 -0700 [thread overview]
Message-ID: <20100507103639.4f1a51fa@nehalam> (raw)
In-Reply-To: <1273252893.2261.84.camel@edumazet-laptop>
On Fri, 07 May 2010 19:21:33 +0200
Eric Dumazet <eric.dumazet@gmail.com> wrote:
> Le vendredi 07 mai 2010 à 10:14 -0700, Stephen Hemminger a écrit :
>
> > Forget the per cpu data; the pool should just be scrapped.
> >
> > The only reason the pool exists is that the crypto hash state which
> > should just be moved into the md5_info (88 bytes). The pseudo
> > header can just be generated on the stack before passing to the crypto
> > code.
>
>
> Sure, but I'm afraid there is no generic API do do that (if we want to
> reuse crypto/md5.c code).
It looks like the pool is just an optimization to avoid opening too
many crypto API connections. This should only be an issue if offloading
MD5.
next prev parent reply other threads:[~2010-05-07 17:36 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <i2h571fb4001005031027y4a58c4dtfd28ddcdc08d8401@mail.gmail.com>
2010-05-04 3:30 ` TCP-MD5 checksum failure on x86_64 SMP Bhaskar Dutta
2010-05-04 11:32 ` Ben Hutchings
2010-05-04 14:28 ` Bhaskar Dutta
2010-05-04 16:12 ` Stephen Hemminger
2010-05-04 17:08 ` Bhaskar Dutta
2010-05-04 17:13 ` Stephen Hemminger
2010-05-05 18:03 ` Bhaskar Dutta
2010-05-05 18:53 ` Eric Dumazet
2010-05-06 11:55 ` Bhaskar Dutta
2010-05-06 12:06 ` Eric Dumazet
2010-05-07 5:04 ` David Miller
2010-05-07 5:32 ` Eric Dumazet
2010-05-07 17:14 ` Stephen Hemminger
2010-05-07 17:21 ` Eric Dumazet
2010-05-07 17:36 ` Stephen Hemminger [this message]
2010-05-07 21:40 ` Eric Dumazet
2010-05-10 14:55 ` Bijay Singh
2010-05-10 15:18 ` Eric Dumazet
2010-05-10 17:27 ` Bijay Singh
2010-05-11 4:08 ` Bijay Singh
2010-05-11 6:27 ` Eric Dumazet
2010-05-11 8:23 ` Bijay Singh
2010-05-11 20:50 ` Eric Dumazet
2010-05-12 3:20 ` Eric Dumazet
2010-05-12 22:22 ` Stephen Hemminger
2010-05-12 22:24 ` David Miller
2010-05-16 19:53 ` Eric Dumazet
2010-05-16 20:48 ` Eric Dumazet
2010-05-17 3:49 ` Bijay Singh
2010-05-17 5:03 ` Eric Dumazet
2010-05-17 17:22 ` Stephen Hemminger
2010-05-17 20:42 ` Stephen Hemminger
2010-05-17 21:04 ` [PATCH] tcp: tcp_synack_options() fix Eric Dumazet
2010-05-18 5:35 ` David Miller
2010-05-16 7:30 ` TCP-MD5 checksum failure on x86_64 SMP David Miller
2010-05-07 8:46 ` Lars Eggert
2010-05-07 8:55 ` Eric Dumazet
2010-05-07 9:12 ` David Miller
2010-05-07 5:39 ` Eric Dumazet
2010-05-07 8:00 ` Eric Dumazet
2010-05-07 8:59 ` Bhaskar Dutta
2010-05-07 9:37 ` Eric Dumazet
2010-05-07 10:50 ` Bhaskar Dutta
2010-05-07 15:18 ` Eric Dumazet
2010-05-07 15:44 ` Eric Dumazet
2010-05-07 21:18 ` Eric Dumazet
2010-05-16 7:37 ` David Miller
2010-05-16 7:35 ` David Miller
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