From: Sabrina Dubroca
Date: Mon, 16 Nov 2015 22:34:26 +0100
> Pass a **skb to ipvlan_rcv_frame so that if skb_share_check returns a
> new skb, we actually use it during further processing.
>
> It's safe to ignore the new skb in the ipvlan_xmit_* functions, because
> they
Pass a **skb to ipvlan_rcv_frame so that if skb_share_check returns a
new skb, we actually use it during further processing.
It's safe to ignore the new skb in the ipvlan_xmit_* functions, because
they call ipvlan_rcv_frame with local == true, so that dev_forward_skb
is called and always takes