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From: ebiederm@xmission•com (Eric W. Biederman)
To: Stephen Hemminger <shemminger@vyatta•com>
Cc: jbohac@suse•cz, David Miller <davem@davemloft•net>,
	yoshfuji@linux-ipv6•org, netdev@vger•kernel.org,
	stable@kernel•org, stephen.hemminger@vyatta•com,
	maheshkelkar@gmail•com, brian.haley@hp•com,
	Willy Tarreau <w@1wt•eu>,
	lorenzo@google•com
Subject: Re: [RFC] ipv6: don't flush routes when setting loopback down
Date: Sun, 23 Jan 2011 11:21:29 -0800	[thread overview]
Message-ID: <m1k4hv5sue.fsf@fess.ebiederm.org> (raw)
In-Reply-To: <20110123213444.70d0b0f1@s6510> (Stephen Hemminger's message of "Sun, 23 Jan 2011 21:34:44 +1100")

Stephen Hemminger <shemminger@vyatta•com> writes:

> I think this fixes the issue with disable_ipv6

Somehow I doubt deleting the ipv6 state, and removing the per device
disable_ipv6 flag is going to be backwards compatible.

echo 0 > /proc/sys/net/ipv6/conf/disable_ipv6

Won't work.

What ever other good properties calling NETDEV_UNREGISTER for ipv6
devices may have.

Eric

> --- a/net/ipv6/addrconf.c	2011-01-23 20:30:25.897243002 +1100
> +++ b/net/ipv6/addrconf.c	2011-01-23 20:30:41.161243002 +1100
> @@ -4197,7 +4197,7 @@ static void dev_disable_change(struct in
>  		return;
>  
>  	if (idev->cnf.disable_ipv6)
> -		addrconf_notify(NULL, NETDEV_DOWN, idev->dev);
> +		addrconf_notify(NULL, NETDEV_UNREGISTER, idev->dev);
>  	else
>  		addrconf_notify(NULL, NETDEV_UP, idev->dev);
>  }

  reply	other threads:[~2011-01-23 19:21 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-12-06  0:24 echo > 0 .../disable_ipv6 broken in 2.6.37-rc4 Eric W. Biederman
2010-12-06  0:33 ` Lorenzo Colitti
2010-12-06  0:39   ` Eric W. Biederman
2010-12-06  5:51     ` Eric W. Biederman
2010-12-06 16:10 ` Brian Haley
2010-12-08 21:29   ` Eric W. Biederman
2010-12-08 22:49     ` Brian Haley
2010-12-08 23:13       ` Eric W. Biederman
2010-12-08 23:49         ` Stephen Hemminger
2010-12-09  2:42           ` Eric W. Biederman
2010-12-09  3:18             ` Eric W. Biederman
2010-12-09  4:16               ` [PATCH] Fix 2.6.34-rc1 regression in disable_ipv6 support Eric W. Biederman
2010-12-09 15:28                 ` Brian Haley
2010-12-09 16:27                   ` Stephen Hemminger
2010-12-09 19:22                     ` Eric W. Biederman
2010-12-09 19:09                   ` Eric W. Biederman
2010-12-09 19:16                     ` Stephen Hemminger
2010-12-09 19:31                       ` Eric W. Biederman
2010-12-09 20:20                         ` David Miller
2010-12-09 20:20                       ` David Miller
2010-12-09 22:51                         ` Stephen Hemminger
2010-12-16 21:28                         ` [RFC] ipv6: don't flush routes when setting loopback down Stephen Hemminger
2010-12-16 23:17                           ` Eric W. Biederman
2010-12-17  1:18                           ` Eric W. Biederman
2010-12-17  2:26                             ` David Miller
2011-01-19 19:18                               ` Jiri Bohac
2011-01-19 19:38                                 ` Stephen Hemminger
2011-01-19 19:56                                   ` Jiri Bohac
2011-01-19 20:01                                     ` Stephen Hemminger
2011-01-22  8:17                                       ` Eric W. Biederman
2011-01-22 22:39                                         ` Stephen Hemminger
2011-01-22 22:54                                           ` David Miller
2011-01-23  4:41                                             ` Stephen Hemminger
2011-01-23  5:42                                               ` David Miller
2011-01-23  8:24                                                 ` Stephen Hemminger
2011-01-23  8:26                                                   ` Stephen Hemminger
2011-01-23  9:15                                                     ` [stable] " Willy Tarreau
2011-01-23  9:21                                                       ` Stephen Hemminger
2011-01-23 10:34                                                       ` Stephen Hemminger
2011-01-23 19:21                                                         ` Eric W. Biederman [this message]
2011-01-23 19:57                                                           ` David Miller
2011-01-23 19:48                                                     ` David Miller
2011-01-23 19:47                                                   ` David Miller
2010-12-10  4:02                   ` [PATCH] Fix 2.6.34-rc1 regression in disable_ipv6 support Stephen Hemminger

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