netdev - Re: [PATCH] fib_rules: add route suppression based on ifgroup

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Date:	Thu, 01 Aug 2013 09:06:34 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Stefan Tomanek <stefan.tomanek@...tarbyte.de>
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH] fib_rules: add route suppression based on ifgroup

On Thu, 2013-08-01 at 17:18 +0200, Stefan Tomanek wrote:
> This change adds the ability to suppress a routing decision based upon the
> interface group the selected interface belongs to.
> 
> Signed-off-by: Stefan Tomanek <stefan.tomanek@...tarbyte.de>
> ---
>  include/net/fib_rules.h        |    2 ++
>  include/uapi/linux/fib_rules.h |    2 +-
>  net/core/fib_rules.c           |   10 ++++++++++
>  net/ipv4/fib_rules.c           |   23 +++++++++++++++++------
>  net/ipv6/fib6_rules.c          |   16 +++++++++++++---
>  5 files changed, 43 insertions(+), 10 deletions(-)
> 
> diff --git a/include/net/fib_rules.h b/include/net/fib_rules.h
> index 2f286dc..4d32ecc 100644
> --- a/include/net/fib_rules.h
> +++ b/include/net/fib_rules.h
> @@ -19,6 +19,7 @@ struct fib_rule {
>  	u32			flags;
>  	u32			table;
>  	u8			table_prefixlen_min;
> +	int			suppress_ifgroup;
>  	u8			action;
>  	u32			target;
>  	struct fib_rule __rcu	*ctarget;

Why adding holes in this structure ?


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