From 0dca0f7bf82face7b700890318d5550fd542cabf Mon Sep 17 00:00:00 2001
From: Hal Rosenstock <halr@voltaire.com>
Date: Thu, 28 Jul 2005 13:17:26 -0700
Subject: [PATCH] [IPoIB] Handle sending of unicast RARP responses
RARP replies are another valid case where IPoIB may need to send a
unicast packet with no neighbour structure.
Signed-off-by: Hal Rosenstock <halr@voltaire.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
drivers/infiniband/ulp/ipoib/ipoib_main.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
(limited to 'drivers')
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index 6f60abbaeb..fa00816a3c 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -600,9 +600,10 @@ static int ipoib_start_xmit(struct sk_buff *skb, struct net_device *dev)
ipoib_mcast_send(dev, (union ib_gid *) (phdr->hwaddr + 4), skb);
} else {
- /* unicast GID -- should be ARP reply */
+ /* unicast GID -- should be ARP or RARP reply */
- if (be16_to_cpup((u16 *) skb->data) != ETH_P_ARP) {
+ if ((be16_to_cpup((__be16 *) skb->data) != ETH_P_ARP) &&
+ (be16_to_cpup((__be16 *) skb->data) != ETH_P_RARP)) {
ipoib_warn(priv, "Unicast, no %s: type %04x, QPN %06x "
IPOIB_GID_FMT "\n",
skb->dst ? "neigh" : "dst",
--
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