Re: [PATCH 01/01] ipv6: RFC4214 Support (v2.4)

[David Miller <davem@davemloft.net>]

From: "Templin, Fred L" <Fred.L.Templin@boeing.com>
Date: Tue, 20 Nov 2007 09:36:26 -0800

> From: Fred L. Templin <fred.l.templin@boeing.com>
> 
> This patch includes support for the Intra-Site Automatic Tunnel
> Addressing Protocol (ISATAP) per RFC4214. It uses the SIT
> module, and is configured using extensions to the "iproute2"
> utility. The diffs are specific to the Linux 2.6.24-rc2 kernel
> distribution.
> 
> This version reflects changes based on netdev list discussions
> on 11/14/07 thru 11/15/07. It does away with in-the-kernel RS/RA
> pinging and now asks that the task be performed by an application.
> The application will essentially entail a port of the FreeBSD 'rtsold'
> daemon, and will use the standard socket API.
> 
> Signed-off-by: Fred L. Templin <fred.l.templin@boeing.com>

I think we've made Fred jump through enough hoops :-)
I've added this to net-2.6.25, any fixups should be
sent relative to this, thanks.

Although that default router lookup on every packet doesn't
look so cheap, I wonder if there is a less expensive way to
implement that bit.