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path: root/drivers/infiniband/ulp/ipoib/ipoib_main.c
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Diffstat (limited to 'drivers/infiniband/ulp/ipoib/ipoib_main.c')
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_main.c30
1 files changed, 17 insertions, 13 deletions
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index e3bfa8a99ad2..259c59f67394 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -721,6 +721,14 @@ int ipoib_check_sm_sendonly_fullmember_support(struct ipoib_dev_priv *priv)
return ret;
}
+static void push_pseudo_header(struct sk_buff *skb, const char *daddr)
+{
+ struct ipoib_pseudo_header *phdr;
+
+ phdr = (struct ipoib_pseudo_header *)skb_push(skb, sizeof(*phdr));
+ memcpy(phdr->hwaddr, daddr, INFINIBAND_ALEN);
+}
+
void ipoib_flush_paths(struct net_device *dev)
{
struct ipoib_dev_priv *priv = netdev_priv(dev);
@@ -947,8 +955,7 @@ static void neigh_add_path(struct sk_buff *skb, u8 *daddr,
}
if (skb_queue_len(&neigh->queue) <
IPOIB_MAX_PATH_REC_QUEUE) {
- /* put pseudoheader back on for next time */
- skb_push(skb, IPOIB_PSEUDO_LEN);
+ push_pseudo_header(skb, neigh->daddr);
__skb_queue_tail(&neigh->queue, skb);
} else {
ipoib_warn(priv, "queue length limit %d. Packet drop.\n",
@@ -966,10 +973,12 @@ static void neigh_add_path(struct sk_buff *skb, u8 *daddr,
if (!path->query && path_rec_start(dev, path))
goto err_path;
- if (skb_queue_len(&neigh->queue) < IPOIB_MAX_PATH_REC_QUEUE)
+ if (skb_queue_len(&neigh->queue) < IPOIB_MAX_PATH_REC_QUEUE) {
+ push_pseudo_header(skb, neigh->daddr);
__skb_queue_tail(&neigh->queue, skb);
- else
+ } else {
goto err_drop;
+ }
}
spin_unlock_irqrestore(&priv->lock, flags);
@@ -1005,8 +1014,7 @@ static void unicast_arp_send(struct sk_buff *skb, struct net_device *dev,
}
if (path) {
if (skb_queue_len(&path->queue) < IPOIB_MAX_PATH_REC_QUEUE) {
- /* put pseudoheader back on for next time */
- skb_push(skb, IPOIB_PSEUDO_LEN);
+ push_pseudo_header(skb, phdr->hwaddr);
__skb_queue_tail(&path->queue, skb);
} else {
++dev->stats.tx_dropped;
@@ -1038,8 +1046,7 @@ static void unicast_arp_send(struct sk_buff *skb, struct net_device *dev,
return;
} 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 */
- skb_push(skb, IPOIB_PSEUDO_LEN);
+ push_pseudo_header(skb, phdr->hwaddr);
__skb_queue_tail(&path->queue, skb);
} else {
++dev->stats.tx_dropped;
@@ -1120,8 +1127,7 @@ send_using_neigh:
}
if (skb_queue_len(&neigh->queue) < IPOIB_MAX_PATH_REC_QUEUE) {
- /* put pseudoheader back on for next time */
- skb_push(skb, sizeof(*phdr));
+ push_pseudo_header(skb, phdr->hwaddr);
spin_lock_irqsave(&priv->lock, flags);
__skb_queue_tail(&neigh->queue, skb);
spin_unlock_irqrestore(&priv->lock, flags);
@@ -1153,7 +1159,6 @@ static int ipoib_hard_header(struct sk_buff *skb,
unsigned short type,
const void *daddr, const void *saddr, unsigned len)
{
- struct ipoib_pseudo_header *phdr;
struct ipoib_header *header;
header = (struct ipoib_header *) skb_push(skb, sizeof *header);
@@ -1166,8 +1171,7 @@ static int ipoib_hard_header(struct sk_buff *skb,
* destination address into skb hard header so we can figure out where
* to send the packet later.
*/
- phdr = (struct ipoib_pseudo_header *) skb_push(skb, sizeof(*phdr));
- memcpy(phdr->hwaddr, daddr, INFINIBAND_ALEN);
+ push_pseudo_header(skb, daddr);
return IPOIB_HARD_LEN;
}