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Date: Wed, 11 Jul 2012 01:19:12 -0700 (PDT) From: David Miller <davem@...emloft.net> To: ogerlitz@...lanox.com Cc: eric.dumazet@...il.com, roland@...nel.org, netdev@...r.kernel.org, ali@...lanox.com, sean.hefty@...el.com, erezsh@...lanox.co.il Subject: Re: [PATCH net-next 3/9] IB/ipoib: Add support for acting as VIF From: Or Gerlitz <ogerlitz@...lanox.com> Date: Wed, 11 Jul 2012 11:05:12 +0300 > On 7/10/2012 3:26 PM, Eric Dumazet wrote: >> On Tue, 2012-07-10 at 15:16 +0300, Or Gerlitz wrote: >>> The IPoIB code checks the VIF private flag on the RX path, and >>> accoriding >>> to the value of the flag prepares the skb CB data, etc. >>> >> >> skb->cb[] can be destroyed in netif_receive_skb() / >> __netif_receive_skb() >> >> #ifdef CONFIG_NET_CLS_ACT >> skb = handle_ing(skb, &pt_prev, &ret, orig_dev); >> ... >> #endif > > Eric, > > Can you elaborate a little further? we're not sure to see where > skb->cb[] is touched on the flow > you pointed to. handle_ing() goes into the packet scheduler and qdisc layer, the qdisc layer uses skb->cb[] via struct qdisc_skb_cb. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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