Skip site navigation (1)Skip section navigation (2)
Date:      Tue, 3 Apr 2012 20:30:41 +0200
From:      =?ISO-8859-1?Q?Ermal_Lu=E7i?= <eri@freebsd.org>
To:        Gleb Smirnoff <glebius@freebsd.org>
Cc:        svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org
Subject:   Re: svn commit: r233846 - head/sys/contrib/pf/net
Message-ID:  <CAPBZQG1RzqvZjhWcFkQ=zyNvbrx2BPaZEEC8HRKMVk0rRxL4HA@mail.gmail.com>
In-Reply-To: <20120403181245.GF13561@FreeBSD.org>
References:  <201204031809.q33I9LLn062165@svn.freebsd.org> <20120403181245.GF13561@FreeBSD.org>

next in thread | previous in thread | raw e-mail | index | archive | help
You are sure that the defer feature is linked only to active-active?

2012/4/3 Gleb Smirnoff <glebius@freebsd.org>:
> On Tue, Apr 03, 2012 at 06:09:21PM +0000, Gleb Smirnoff wrote:
> T> Author: glebius
> T> Date: Tue Apr =A03 18:09:20 2012
> T> New Revision: 233846
> T> URL: http://svn.freebsd.org/changeset/base/233846
> T>
> T> Log:
> T> =A0 Since pf 4.5 import pf(4) has a mechanism to defer
> T> =A0 forwarding a packet, that creates state, until
> T> =A0 pfsync(4) peer acks state addition (or 10 msec
> T> =A0 timeout passes).
> T>
> T> =A0 This is needed for active-active CARP configurations,
> T> =A0 which are poorly supported in FreeBSD and arguably
> T> =A0 a good idea at all.
> T>
> T> =A0 Unfortunately by the time of import this feature in
> T> =A0 OpenBSD was turned on, and did not have a switch to
> T> =A0 turn it off. This leaked to FreeBSD.
> T>
> T> =A0 This change make it possible to turn this feature
> T> =A0 off via ioctl() and turns it off by default.
>
> Fortunately, we got an unused field in struct pfsyncreq,
> so this commit doesn't break ioctl() ABI, and this is
> mergeable.
>
> --
> Totus tuus, Glebius.



--=20
Ermal



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CAPBZQG1RzqvZjhWcFkQ=zyNvbrx2BPaZEEC8HRKMVk0rRxL4HA>