netdev - Re: [V4 PATCH 3/3] bond: service netpoll arp queue on master device

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Date:	Wed, 23 Feb 2011 23:24:45 +0800
From:	Cong Wang <amwang@...hat.com>
To:	Amerigo Wang <amwang@...hat.com>
CC:	linux-kernel@...r.kernel.org, Neil Horman <nhorman@...hat.com>,
	Herbert Xu <herbert@...dor.hengli.com.au>,
	"David S. Miller" <davem@...emloft.net>,
	Neil Horman <nhorman@...driver.com>,
	Eric Dumazet <eric.dumazet@...il.com>, netdev@...r.kernel.org
Subject: Re: [V4 PATCH 3/3] bond: service netpoll arp queue on master device

Neil, ping. :)

于 2011年02月18日 17:43, Amerigo Wang 写道:
> Neil pointed out that we can't send ARP reply on behalf of slaves,
> we need to move the arp queue to their bond device.
>
> Signed-off-by: WANG Cong<amwang@...hat.com>
> Cc: Neil Horman<nhorman@...hat.com>
>
> ---
>   net/core/netpoll.c |    9 +++++++++
>   1 files changed, 9 insertions(+), 0 deletions(-)
>
> diff --git a/net/core/netpoll.c b/net/core/netpoll.c
> index f68e694..013e04a 100644
> --- a/net/core/netpoll.c
> +++ b/net/core/netpoll.c
> @@ -193,6 +193,15 @@ void netpoll_poll_dev(struct net_device *dev)
>
>   	poll_napi(dev);
>
> +	if (dev->priv_flags&  IFF_SLAVE) {
> +		if (dev->npinfo) {
> +			struct net_device *bond_dev = dev->master;
> +			struct sk_buff *skb;
> +			while ((skb = skb_dequeue(&dev->npinfo->arp_tx)))
> +				skb_queue_tail(&bond_dev->npinfo->arp_tx, skb);
> +		}
> +	}
> +
>   	service_arp_queue(dev->npinfo);
>
>   	zap_completion_queue();


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