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path: root/drivers/infiniband/sw/rxe/rxe_net.c
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Diffstat (limited to 'drivers/infiniband/sw/rxe/rxe_net.c')
-rw-r--r--drivers/infiniband/sw/rxe/rxe_net.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/infiniband/sw/rxe/rxe_net.c b/drivers/infiniband/sw/rxe/rxe_net.c
index 0701bd1ffd1a..01662727dca0 100644
--- a/drivers/infiniband/sw/rxe/rxe_net.c
+++ b/drivers/infiniband/sw/rxe/rxe_net.c
@@ -407,14 +407,22 @@ int rxe_send(struct rxe_pkt_info *pkt, struct sk_buff *skb)
return 0;
}
+/* fix up a send packet to match the packets
+ * received from UDP before looping them back
+ */
void rxe_loopback(struct sk_buff *skb)
{
+ struct rxe_pkt_info *pkt = SKB_TO_PKT(skb);
+
if (skb->protocol == htons(ETH_P_IP))
skb_pull(skb, sizeof(struct iphdr));
else
skb_pull(skb, sizeof(struct ipv6hdr));
- rxe_rcv(skb);
+ if (WARN_ON(!ib_device_try_get(&pkt->rxe->ib_dev)))
+ kfree_skb(skb);
+ else
+ rxe_rcv(skb);
}
struct sk_buff *rxe_init_packet(struct rxe_dev *rxe, struct rxe_av *av,