From: arno@natisbad.org (Arnaud Ebalard)
To: David Miller <davem@davemloft.net>
Cc: eric.dumazet@gmail.com, herbert@gondor.apana.org.au,
yoshfuji@linux-ipv6.org, netdev@vger.kernel.org
Subject: Re: [PATCHv2 net-next-2.6 0/5] XFRM,IPv6: Removal of RH2/HAO from IPsec-protected MIPv6 traffic
Date: Wed, 29 Sep 2010 11:04:24 +0200 [thread overview]
Message-ID: <87ocbgkjjb.fsf@small.ssi.corp> (raw)
In-Reply-To: <20100928.144005.260072379.davem@davemloft.net> (David Miller's message of "Tue, 28 Sep 2010 14:40:05 -0700 (PDT)")
Hi,
David Miller <davem@davemloft.net> writes:
> From: arno@natisbad.org (Arnaud Ebalard)
> Date: Tue, 28 Sep 2010 23:33:16 +0200
>
>> Before following the (dumb) #ifdef path, I was about to do that but
>> worried about the penalty of the additional xfrm_state_get/put_afinfo()
>> calls on each packet I was about to add. Should I just reduce my amount
>> of coffee or is it a valid concern?
>
> Indeed, it is.
>
> Even without the concern of afinfo refcounting, this test is very
> heavy handed for the packet path.
>
> Can you make it small enough that it can reasonably be inlined?
I came up with an idea. A v3 follows; the cover letter details that.
Cheers,
a+
prev parent reply other threads:[~2010-09-29 9:03 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-28 15:53 [PATCHv2 net-next-2.6 0/5] XFRM,IPv6: Removal of RH2/HAO from IPsec-protected MIPv6 traffic Arnaud Ebalard
2010-09-28 15:54 ` [PATCHv2 net-next-2.6 1/5] XFRM,IPv6: Remove xfrm_spi_hash() dependency on destination address Arnaud Ebalard
2010-09-28 15:54 ` [PATCHv2 net-next-2.6 2/5] XFRM,IPv6: Introduce receive sockopts to access IRO remapped src/dst addresses Arnaud Ebalard
2010-09-28 15:54 ` [PATCHv2 net-next-2.6 3/5] XFRM,IPv6: Add IRO src/dst address remapping XFRM types and i/o handlers Arnaud Ebalard
2010-09-28 15:54 ` [PATCHv2 net-next-2.6 4/5] XFRM,IPv6: Add IRO remapping hook in xfrm_input() Arnaud Ebalard
2010-09-28 15:54 ` [PATCHv2 net-next-2.6 5/5] XFRM,IPv6: Add IRO remapping capability via socket ancillary data path Arnaud Ebalard
2010-09-28 20:38 ` [PATCHv2 net-next-2.6 0/5] XFRM,IPv6: Removal of RH2/HAO from IPsec-protected MIPv6 traffic David Miller
2010-09-28 21:33 ` Arnaud Ebalard
2010-09-28 21:40 ` David Miller
2010-09-29 9:04 ` Arnaud Ebalard [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=87ocbgkjjb.fsf@small.ssi.corp \
--to=arno@natisbad.org \
--cc=davem@davemloft.net \
--cc=eric.dumazet@gmail.com \
--cc=herbert@gondor.apana.org.au \
--cc=netdev@vger.kernel.org \
--cc=yoshfuji@linux-ipv6.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.