netdev - Re: [PATCH] fib_rules: add minimum prefix length

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Message-ID: <20130723153829.3b6cb3df@nehalam.linuxnetplumber.net>
Date:	Tue, 23 Jul 2013 15:38:29 -0700
From:	Stephen Hemminger <stephen@...workplumber.org>
To:	Stefan Tomanek <stefan.tomanek@...tarbyte.de>
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH] fib_rules: add minimum prefix length

On Wed, 24 Jul 2013 00:02:21 +0200
Stefan Tomanek <stefan.tomanek@...tarbyte.de> wrote:

> diff --git a/include/uapi/linux/fib_rules.h b/include/uapi/linux/fib_rules.h
> index 51da65b..59cd31b 100644
> --- a/include/uapi/linux/fib_rules.h
> +++ b/include/uapi/linux/fib_rules.h
> @@ -45,7 +45,7 @@ enum {
>  	FRA_FLOW,	/* flow/class id */
>  	FRA_UNUSED6,
>  	FRA_UNUSED7,
> -	FRA_UNUSED8,
> +	FRA_TABLE_PREFIXLEN_MIN,
>  	FRA_TABLE,	/* Extended table id */
>  	FRA_FWMASK,	/* mask for netfilter mark */
>  	FRA_OIFNAME,

Not sure if reusing an entry or adding a new value is better
to retain compatibility. Also don't you have to update FRA_GENERIC_POLICY?
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