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| author | Steve Wise <swise@opengridcomputing.com> | 2007-09-12 05:00:25 -0500 |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2007-10-09 19:59:13 -0700 |
| commit | 935ef2d7a2910ca810fce57511f4d06a0cf00b5e (patch) | |
| tree | b0b3c6d6dd646e31100ca1d11fa5f18bc9014c38 | |
| parent | 3a31c41901b6bd3937ec36e0e4a930849e270df6 (diff) | |
| download | linux-3.10-935ef2d7a2910ca810fce57511f4d06a0cf00b5e.tar.gz linux-3.10-935ef2d7a2910ca810fce57511f4d06a0cf00b5e.tar.bz2 linux-3.10-935ef2d7a2910ca810fce57511f4d06a0cf00b5e.zip | |
RDMA/cma: Use neigh_event_send() to start neighbour discovery
Calling arp_send() to initiate neighbour discovery (ND) doesn't do the
full ND protocol. Namely, it doesn't handle retransmitting the arp
request if it is dropped. The function neigh_event_send() does all
this. Without doing full ND, RDMA address resolution fails in the
presence of dropped ARP broadcast packets.
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Acked-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
| -rw-r--r-- | drivers/infiniband/core/addr.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c index c5c33d35f87..5381c80de10 100644 --- a/drivers/infiniband/core/addr.c +++ b/drivers/infiniband/core/addr.c @@ -161,8 +161,7 @@ static void addr_send_arp(struct sockaddr_in *dst_in) if (ip_route_output_key(&rt, &fl)) return; - arp_send(ARPOP_REQUEST, ETH_P_ARP, rt->rt_gateway, rt->idev->dev, - rt->rt_src, NULL, rt->idev->dev->dev_addr, NULL); + neigh_event_send(rt->u.dst.neighbour, NULL); ip_rt_put(rt); } |