Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[pandora-kernel.git] / drivers / infiniband / ulp / ipoib / ipoib_main.c

diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index 86addca..43f89ba 100644 (file)
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -560,9 +560,11 @@ static void neigh_add_path(struct sk_buff *skb, struct net_device *dev)
        struct ipoib_dev_priv *priv = netdev_priv(dev);
        struct ipoib_path *path;
        struct ipoib_neigh *neigh;
+       struct neighbour *n;
        unsigned long flags;
 
-       neigh = ipoib_neigh_alloc(skb_dst(skb)->neighbour, skb->dev);
+       n = dst_get_neighbour(skb_dst(skb));
+       neigh = ipoib_neigh_alloc(n, skb->dev);
        if (!neigh) {
                ++dev->stats.tx_dropped;
                dev_kfree_skb_any(skb);
@@ -571,9 +573,9 @@ static void neigh_add_path(struct sk_buff *skb, struct net_device *dev)
 
        spin_lock_irqsave(&priv->lock, flags);
 
-       path = __path_find(dev, skb_dst(skb)->neighbour->ha + 4);
+       path = __path_find(dev, n->ha + 4);
        if (!path) {
-               path = path_rec_create(dev, skb_dst(skb)->neighbour->ha + 4);
+               path = path_rec_create(dev, n->ha + 4);
                if (!path)
                        goto err_path;
 
@@ -607,7 +609,7 @@ static void neigh_add_path(struct sk_buff *skb, struct net_device *dev)
                        }
                } else {
                        spin_unlock_irqrestore(&priv->lock, flags);
-                       ipoib_send(dev, skb, path->ah, IPOIB_QPN(skb_dst(skb)->neighbour->ha));
+                       ipoib_send(dev, skb, path->ah, IPOIB_QPN(n->ha));
                        return;
                }
        } else {
@@ -637,17 +639,20 @@ err_drop:
 static void ipoib_path_lookup(struct sk_buff *skb, struct net_device *dev)
 {
        struct ipoib_dev_priv *priv = netdev_priv(skb->dev);
+       struct dst_entry *dst = skb_dst(skb);
+       struct neighbour *n;
 
        /* Look up path record for unicasts */
-       if (skb_dst(skb)->neighbour->ha[4] != 0xff) {
+       n = dst_get_neighbour(dst);
+       if (n->ha[4] != 0xff) {
                neigh_add_path(skb, dev);
                return;
        }
 
        /* Add in the P_Key for multicasts */
-       skb_dst(skb)->neighbour->ha[8] = (priv->pkey >> 8) & 0xff;
-       skb_dst(skb)->neighbour->ha[9] = priv->pkey & 0xff;
-       ipoib_mcast_send(dev, skb_dst(skb)->neighbour->ha + 4, skb);
+       n->ha[8] = (priv->pkey >> 8) & 0xff;
+       n->ha[9] = priv->pkey & 0xff;
+       ipoib_mcast_send(dev, n->ha + 4, skb);
 }
 
 static void unicast_arp_send(struct sk_buff *skb, struct net_device *dev,
@@ -712,18 +717,20 @@ static int ipoib_start_xmit(struct sk_buff *skb, struct net_device *dev)
 {
        struct ipoib_dev_priv *priv = netdev_priv(dev);
        struct ipoib_neigh *neigh;
+       struct neighbour *n;
        unsigned long flags;
 
-       if (likely(skb_dst(skb) && skb_dst(skb)->neighbour)) {
-               if (unlikely(!*to_ipoib_neigh(skb_dst(skb)->neighbour))) {
+       n = dst_get_neighbour(skb_dst(skb));
+       if (likely(skb_dst(skb) && n)) {
+               if (unlikely(!*to_ipoib_neigh(n))) {
                        ipoib_path_lookup(skb, dev);
                        return NETDEV_TX_OK;
                }
 
-               neigh = *to_ipoib_neigh(skb_dst(skb)->neighbour);
+               neigh = *to_ipoib_neigh(n);
 
                if (unlikely((memcmp(&neigh->dgid.raw,
-                                    skb_dst(skb)->neighbour->ha + 4,
+                                    n->ha + 4,
                                     sizeof(union ib_gid))) ||
                             (neigh->dev != dev))) {
                        spin_lock_irqsave(&priv->lock, flags);
@@ -749,7 +756,7 @@ static int ipoib_start_xmit(struct sk_buff *skb, struct net_device *dev)
                                return NETDEV_TX_OK;
                        }
                } else if (neigh->ah) {
-                       ipoib_send(dev, skb, neigh->ah, IPOIB_QPN(skb_dst(skb)->neighbour->ha));
+                       ipoib_send(dev, skb, neigh->ah, IPOIB_QPN(n->ha));
                        return NETDEV_TX_OK;
                }
 
@@ -812,6 +819,8 @@ static int ipoib_hard_header(struct sk_buff *skb,
                             const void *daddr, const void *saddr, unsigned len)
 {
        struct ipoib_header *header;
+       struct dst_entry *dst;
+       struct neighbour *n;
 
        header = (struct ipoib_header *) skb_push(skb, sizeof *header);
 
@@ -823,7 +832,11 @@ static int ipoib_hard_header(struct sk_buff *skb,
         * destination address onto the front of the skb so we can
         * figure out where to send the packet later.
         */
-       if ((!skb_dst(skb) || !skb_dst(skb)->neighbour) && daddr) {
+       dst = skb_dst(skb);
+       n = NULL;
+       if (dst)
+               n = dst_get_neighbour(dst);
+       if ((!dst || !n) && daddr) {
                struct ipoib_pseudoheader *phdr =
                        (struct ipoib_pseudoheader *) skb_push(skb, sizeof *phdr);
                memcpy(phdr->hwaddr, daddr, INFINIBAND_ALEN);