netdev - Re: [PATCH net-next 4/4] net/sched: act_mirred: Implement ingress actions

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Date:   Thu, 22 Sep 2016 07:54:13 -0700
From:   Eric Dumazet <eric.dumazet@...il.com>
To:     Shmulik Ladkani <shmulik.ladkani@...ellosystems.com>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Jamal Hadi Salim <jhs@...atatu.com>,
        WANG Cong <xiyou.wangcong@...il.com>,
        Eric Dumazet <edumazet@...gle.com>, netdev@...r.kernel.org,
        Shmulik Ladkani <shmulik.ladkani@...il.com>
Subject: Re: [PATCH net-next 4/4] net/sched: act_mirred: Implement ingress
 actions

On Thu, 2016-09-22 at 16:21 +0300, Shmulik Ladkani wrote:
> From: Shmulik Ladkani <shmulik.ladkani@...il.com>
> 
> Up until now, 'action mirred' supported only egress actions (either
> TCA_EGRESS_REDIR or TCA_EGRESS_MIRROR).
> 
> This patch implements the corresponding ingress actions
> TCA_INGRESS_REDIR and TCA_INGRESS_MIRROR.
> 
> This allows attaching filters whose target is to hand matching skbs into
> the rx processing of a specified device.
> 
> Signed-off-by: Shmulik Ladkani <shmulik.ladkani@...il.com>
> Cc: Jamal Hadi Salim <jhs@...atatu.com>
> ---
>  Was wondering, whether netif_receive_skb or dev_forward_skb should be
>  used for the rx bouncing. Used netif_receive_skb as in ifb device.

Hmm... we probably need to apply the full rcu protection before this
patch.

https://patchwork.ozlabs.org/patch/667680/