From: Or Gerlitz <[email protected]> Date: Mon, 6 Feb 2012 18:44:03 +0200
> As I wrote earlier on this thread, the reason is that in order to be > able to xmit skb's for which the stack doesn't provide a neighbour, > IPoIB makes sure to have extra INFINIBAND_ALEN bytes headroom on > skbs. Such that the ipoib hard_header functions writes a > "ipoib_pseudoheader" (= hw address) on the skb and the xmit function > grabs it from there and use that pseudoheader to search for the actual > IB L2 address handle kept for that dest. Example such skbs are unicast > ARP replies and multicast. see below some relevant code sections from > ipoib_main.c Then IPoIB is broken and must be fixed, see my other reply. We're not adding a bogus member to the netdevice just because IPoIB tries to do path resolution and neighbour validation behind the neighbour cache's back. -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
