From mboxrd@z Thu Jan  1 00:00:00 1970
From: Patrick McHardy <kaber@trash.net>
Subject: Re: [PATCH 1/2] Specify nf_queue max length from userspace
Date: Mon, 19 Jun 2006 18:26:24 +0200
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To: Eric Leblond <eric@inl.fr>
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Eric Leblond wrote:
> Attach patch is against current git kernel tree.
> 
> 
> 
> ------------------------------------------------------------------------
> 
> Signed-off-by: Eric Leblond <eric@inl.fr>
> 
> 
> ---
> 
>  include/linux/netfilter/nfnetlink_queue.h |    2 ++
>  net/netfilter/nfnetlink_queue.c           |    7 ++++++-
>  2 files changed, 8 insertions(+), 1 deletions(-)
> 
> 1fb988dc51e2465500df50ff4e085f80acb7b6a3
> diff --git a/include/linux/netfilter/nfnetlink_queue.h b/include/linux/netfilter/nfnetlink_queue.h
> index 9e77437..ce32c54 100644
> --- a/include/linux/netfilter/nfnetlink_queue.h
> +++ b/include/linux/netfilter/nfnetlink_queue.h
> @@ -67,6 +67,7 @@ struct nfqnl_msg_config_cmd {
>  } __attribute__ ((packed));
>  
>  enum nfqnl_config_mode {
> +	NFQNL_COPY_UNSPEC,
>  	NFQNL_COPY_NONE,
>  	NFQNL_COPY_META,
>  	NFQNL_COPY_PACKET,

Looks like an ABI breaker.

> @@ -75,6 +76,7 @@ enum nfqnl_config_mode {
>  struct nfqnl_msg_config_params {
>  	u_int32_t	copy_range;
>  	u_int8_t	copy_mode;	/* enum nfqnl_config_mode */
> +	u_int32_t   queue_maxlen;
>  } __attribute__ ((packed));

This too. Why not just use a new attribute?