netdev - Re: [PATCH 01/05] ipv6: RFC4214 Support

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Message-ID: <20071107093128.4985c446@freepuppy.rosehill>
Date:	Wed, 7 Nov 2007 09:31:27 -0800
From:	Stephen Hemminger <shemminger@...ux-foundation.org>
To:	"Templin, Fred L" <Fred.L.Templin@...ing.com>
Cc:	<netdev@...r.kernel.org>
Subject: Re: [PATCH 01/05] ipv6: RFC4214 Support

On Tue, 6 Nov 2007 17:16:01 -0800
"Templin, Fred L" <Fred.L.Templin@...ing.com> wrote:

> From: Fred L. Templin <fred.l.templin@...ing.com>
> 
> This is experimental support for the Intra-Site Automatic
> Tunnel Addressing Protocol (ISATAP) per RFC4214. It uses
> the SIT module, and is configured using the unmodified
> "ip" utility with device names beginning with: "isatap".
> 
> The following diffs are specific to the Linux 2.6.23
> kernel distribution.
> 
> Signed-off-by: Fred L. Templin <fred.l.templin@...ing.com>
> 
> ---
> 
> --- linux-2.6.23/include/linux/if.h.orig	2007-10-29
> 09:22:26.000000000 -0700
> +++ linux-2.6.23/include/linux/if.h	2007-10-26 11:00:06.000000000
> -0700
> @@ -61,6 +61,9 @@
>  #define IFF_MASTER_ALB	0x10		/* bonding master, balance-alb.
> */
>  #define IFF_BONDING	0x20		/* bonding master or slave
> */
>  #define IFF_SLAVE_NEEDARP 0x40		/* need ARPs for validation
> */
> +#if defined(CONFIG_IPV6_ISATAP)
> +#define IFF_ISATAP	0x80		/* ISATAP interface (RFC4214)
> */
> +#endif
>  

Don't make this conditional.. You always want the number assigned
and available, plus this file is used from user space where kernel
configuration is unknown or irrelevant.

-- 
Stephen Hemminger <shemminger@...ux-foundation.org>
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