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Message-Id: <20070912100025.3190.89259.stgit@dell3.ogc.int> Date: Wed, 12 Sep 2007 05:00:25 -0500 From: Steve Wise <swise@...ngridcomputing.com> To: rdreier@...co.com, sean.hefty@...el.com Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org, general@...ts.openfabrics.org Subject: [PATCH] RDMA/CMA: Use neigh_event_send() to initiate neighbour discovery. RDMA/CMA: Use neigh_event_send() to initiate 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 bcast packets. Signed-off-by: Steve Wise <swise@...ngridcomputing.com> --- 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 c5c33d3..5381c80 100644 --- a/drivers/infiniband/core/addr.c +++ b/drivers/infiniband/core/addr.c @@ -161,8 +161,7 @@ static void addr_send_arp(struct sockadd 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); } - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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