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xen-devel
[Xen-devel] Re: SKB paged fragment lifecycle on receive
From: Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>
Date: Mon, 27 Jun 2011 15:42:04 +0100
> However it seems like this might still have a problem if your SKBs are
> ever cloned. What happens in this case, e.g if a user of AF_PACKET sends
> a broadcast via a device associated with a bridge[1] (where it would be
> flooded)?
You don't need a bridge to get a clone on transmit, the packet
scheduler can do clones. Just grep for skb_clone in the packet
action handlers net/sched/act_*.c
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