netdev - Re: [patch net-next RFC v2 2/6] skbuff: add "missed

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Date:	Thu, 27 Mar 2014 11:31:42 +0100
From:	Nicolas Dichtel <nicolas.dichtel@...nd.com>
To:	Jiri Pirko <jiri@...nulli.us>, netdev@...r.kernel.org
CC:	davem@...emloft.net, nhorman@...driver.com, andy@...yhouse.net,
	tgraf@...g.ch, dborkman@...hat.com, ogerlitz@...lanox.com,
	jesse@...ira.com, pshelar@...ira.com, azhou@...ira.com,
	ben@...adent.org.uk, stephen@...workplumber.org,
	jeffrey.t.kirsher@...el.com, vyasevic@...hat.com,
	xiyou.wangcong@...il.com, john.r.fastabend@...el.com,
	edumazet@...gle.com, jhs@...atatu.com, sfeldma@...ulusnetworks.com,
	f.fainelli@...il.com, roopa@...ulusnetworks.com,
	linville@...driver.com, dev@...nvswitch.org
Subject: Re: [patch net-next RFC v2 2/6] skbuff: add "missed_flow" flag

Le 26/03/2014 17:31, Jiri Pirko a écrit :
> This flag sets incoming switch device in order to let know that the flow
> which the skb is part of is missed. Listener may react to it
> appropriately,
>
> Signed-off-by: Jiri Pirko <jiri@...nulli.us>
> ---
>   include/linux/filter.h |  1 +
>   include/linux/skbuff.h | 13 +++++++++++++
>   net/core/filter.c      |  3 +++
>   3 files changed, 17 insertions(+)
>
> diff --git a/include/linux/filter.h b/include/linux/filter.h
> index e568c8e..38c7c04 100644
> --- a/include/linux/filter.h
> +++ b/include/linux/filter.h
> @@ -154,6 +154,7 @@ enum {
>   	BPF_S_ANC_VLAN_TAG,
>   	BPF_S_ANC_VLAN_TAG_PRESENT,
>   	BPF_S_ANC_PAY_OFFSET,
> +	BPF_S_ANC_MISSED_FLOW,
>   };
>
>   #endif /* __LINUX_FILTER_H__ */
> diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
> index 03db95a..0100c2f 100644
> --- a/include/linux/skbuff.h
> +++ b/include/linux/skbuff.h
> @@ -567,6 +567,7 @@ struct sk_buff {
>   	 * headers if needed
>   	 */
>   	__u8			encapsulation:1;
> +	__u8			missed_flow:1;
>   	/* 6/8 bit hole (depending on ndisc_nodetype presence) */
Please fix also the comment.
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