netdev - Re: [PATCH v2] net: deliver skbs on inactive slaves to exact matches

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Message-ID: <1276522708.2478.89.camel@edumazet-laptop>
Date:	Mon, 14 Jun 2010 15:38:28 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	"Michael S. Tsirkin" <mst@...hat.com>
Cc:	John Fastabend <john.r.fastabend@...el.com>, fubar@...ibm.com,
	davem@...emloft.net, nhorman@...driver.com,
	bonding-devel@...ts.sourceforge.net, netdev@...r.kernel.org
Subject: Re: [PATCH v2] net: deliver skbs on inactive slaves to exact
 matches

Le lundi 14 juin 2010 à 15:34 +0200, Eric Dumazet a écrit :

> [PATCH] net: fix deliver_no_wcard regression on loopback device
> 
> deliver_no_wcard is not being set in skb_copy_header.
> In the skb_cloned case it is not being cleared and
> may cause the skb to be dropped when the loopback device
> pushes it back up the stack.
> 
> Signed-off-by: John Fastabend <john.r.fastabend@...el.com>
> Acked-by: Eric Dumazet <eric.dumazet@...il.com>

Oh I forgot :

Tested-by: Markus Trippelsdorf <markus@...ppelsdorf.de>

> ---
> diff --git a/net/core/skbuff.c b/net/core/skbuff.c
> index 9f07e74..bcf2fa3 100644
> --- a/net/core/skbuff.c
> +++ b/net/core/skbuff.c
> @@ -532,6 +532,7 @@ static void __copy_skb_header(struct sk_buff *new, const struct sk_buff *old)
>  	new->ip_summed		= old->ip_summed;
>  	skb_copy_queue_mapping(new, old);
>  	new->priority		= old->priority;
> +	new->deliver_no_wcard	= old->deliver_no_wcard;
>  #if defined(CONFIG_IP_VS) || defined(CONFIG_IP_VS_MODULE)
>  	new->ipvs_property	= old->ipvs_property;
>  #endif
> 


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