From: David Ahern <d...@cumulusnetworks.com> Date: Tue, 10 May 2016 11:19:49 -0700
> Applications such as OSPF and BFD need the original ingress device not > the VRF device; the latter can be derived from the former. To that end > move the packet intercept from an rx handler that is invoked by > __netif_receive_skb_core to the ipv4 and ipv6 receive processing. > > IPv6 already saves the skb_iif to the control buffer in ipv6_rcv. Since > the skb->dev has not been switched the cb has the enslaved device. Make > the same happen for IPv4 by adding the skb_iif to inet_skb_parm and set > it in ipv4 code after clearing the skb control buffer similar to IPv6. > From there the pktinfo can just pull it from cb with the PKTINFO_SKB_CB > cast. Series applied.
