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authorLinus Torvalds <torvalds@woody.osdl.org>2006-11-20 10:48:23 -0800
committerLinus Torvalds <torvalds@woody.osdl.org>2006-11-20 10:48:23 -0800
commitf44ea623443ee0bec266d62f1cd346881224d47d (patch)
tree6fc50fb77a463af11b45c7161ad382712e62a7bb
parentace5f1d425beaa272b6e91cecc87b2c075d7feb2 (diff)
parent073ae841d6a5098f7c6e17fc1f329350d950d1ce (diff)
Merge branch 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband: IPoIB: Clear high octet in QP number
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_main.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index 1eaf00e9862..85522daeb94 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -49,6 +49,8 @@
#include <net/dst.h>
+#define IPOIB_QPN(ha) (be32_to_cpup((__be32 *) ha) & 0xffffff)
+
MODULE_AUTHOR("Roland Dreier");
MODULE_DESCRIPTION("IP-over-InfiniBand net driver");
MODULE_LICENSE("Dual BSD/GPL");
@@ -520,8 +522,7 @@ static void neigh_add_path(struct sk_buff *skb, struct net_device *dev)
memcpy(&neigh->dgid.raw, &path->pathrec.dgid.raw,
sizeof(union ib_gid));
- ipoib_send(dev, skb, path->ah,
- be32_to_cpup((__be32 *) skb->dst->neighbour->ha));
+ ipoib_send(dev, skb, path->ah, IPOIB_QPN(skb->dst->neighbour->ha));
} else {
neigh->ah = NULL;
__skb_queue_tail(&neigh->queue, skb);
@@ -599,8 +600,7 @@ static void unicast_arp_send(struct sk_buff *skb, struct net_device *dev,
ipoib_dbg(priv, "Send unicast ARP to %04x\n",
be16_to_cpu(path->pathrec.dlid));
- ipoib_send(dev, skb, path->ah,
- be32_to_cpup((__be32 *) phdr->hwaddr));
+ ipoib_send(dev, skb, path->ah, IPOIB_QPN(phdr->hwaddr));
} else if ((path->query || !path_rec_start(dev, path)) &&
skb_queue_len(&path->queue) < IPOIB_MAX_PATH_REC_QUEUE) {
/* put pseudoheader back on for next time */
@@ -661,8 +661,7 @@ static int ipoib_start_xmit(struct sk_buff *skb, struct net_device *dev)
goto out;
}
- ipoib_send(dev, skb, neigh->ah,
- be32_to_cpup((__be32 *) skb->dst->neighbour->ha));
+ ipoib_send(dev, skb, neigh->ah, IPOIB_QPN(skb->dst->neighbour->ha));
goto out;
}
@@ -694,7 +693,7 @@ static int ipoib_start_xmit(struct sk_buff *skb, struct net_device *dev)
IPOIB_GID_FMT "\n",
skb->dst ? "neigh" : "dst",
be16_to_cpup((__be16 *) skb->data),
- be32_to_cpup((__be32 *) phdr->hwaddr),
+ IPOIB_QPN(phdr->hwaddr),
IPOIB_GID_RAW_ARG(phdr->hwaddr + 4));
dev_kfree_skb_any(skb);
++priv->stats.tx_dropped;
@@ -777,7 +776,7 @@ static void ipoib_neigh_destructor(struct neighbour *n)
ipoib_dbg(priv,
"neigh_destructor for %06x " IPOIB_GID_FMT "\n",
- be32_to_cpup((__be32 *) n->ha),
+ IPOIB_QPN(n->ha),
IPOIB_GID_RAW_ARG(n->ha + 4));
spin_lock_irqsave(&priv->lock, flags);