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

From: Nicolas Dichtel <nicolas.dichtel-pdR9zngts4EAvxtiuMwx3w@public•gmane.org>
To: Jiri Pirko <jiri-rHqAuBHg3fBzbRFIqnYvSA@public•gmane.org>,
	netdev-u79uwXL29TY76Z2rM5mHXA@public•gmane.org
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	edumazet-hpIqsD4AKlfQT0dZR+AlfA@public•gmane.org,
	andy-QlMahl40kYEqcZcGjlUOXw@public•gmane.org,
	dev-yBygre7rU0TnMu66kgdUjQ@public•gmane.org,
	f.fainelli-Re5JQEeQqe8AvxtiuMwx3w@public•gmane.org,
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Subject: Re: [patch net-next RFC v2 2/6] skbuff: add "missed_flow" flag
Date: Thu, 27 Mar 2014 11:31:42 +0100	[thread overview]
Message-ID: <5333FE0E.2090008@6wind.com> (raw)
In-Reply-To: <1395851472-10524-3-git-send-email-jiri-rHqAuBHg3fBzbRFIqnYvSA@public.gmane.org>

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@resnulli•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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