netdev - Re: [PATCH] [RFC] Add ip route {save,restore}

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Message-ID: <20100521082656.7deb05c7@nehalam>
Date:	Fri, 21 May 2010 08:26:56 -0700
From:	Stephen Hemminger <shemminger@...ux-foundation.org>
To:	Dan Smith <danms@...ibm.com>
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH] [RFC] Add ip route {save,restore}

On Fri, 21 May 2010 08:14:23 -0700
Dan Smith <danms@...ibm.com> wrote:

> This patch adds save and restore commands to "ip route". Save dumps
> the RTNL stream to stdout which can then be passed to restore later.
> This may be helpful in some normal situations, and will allow C/R to
> migrate the routing information in userspace.  Tweaking of the stream
> can be done by userspace helpers to convert between versions and adjust
> things like device indexes when restoring routes in a different
> environment.
> 
> By factoring out some of the common bits of print_route() into
> filter_nlmsg(), the "save" command can use the same selection logic
> as "list," allowing the caller to save only specific routes as
> necessary.
> 
> Signed-off-by: Dan Smith <danms@...ibm.com>

Looks good, please add man page and doc entry for this in final
version.
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