[dpdk-dev] [PATCH v2] examples/vhost: fix sending arp packet to self

Junjie Chen junjie.j.chen at intel.com
Fri Dec 29 15:33:19 CET 2017


ARP packets are not dropped when dest vdev is itself, which breaks
RX ring inconspicuously.

Fixes: 9c5ef51207c6 ("examples/vhost: handle broadcast packet")

Signed-off-by: Junjie Chen <junjie.j.chen at intel.com>
---
v2: 
 - Add fixline in commit message.

 examples/vhost/main.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/examples/vhost/main.c b/examples/vhost/main.c
index 89a61f0..10a7f5d 100644
--- a/examples/vhost/main.c
+++ b/examples/vhost/main.c
@@ -964,7 +964,8 @@ virtio_tx_route(struct vhost_dev *vdev, struct rte_mbuf *m, uint16_t vlan_tag)
 		struct vhost_dev *vdev2;
 
 		TAILQ_FOREACH(vdev2, &vhost_dev_list, global_vdev_entry) {
-			virtio_xmit(vdev2, vdev, m);
+			if (vdev2 != vdev)
+				virtio_xmit(vdev2, vdev, m);
 		}
 		goto queue2nic;
 	}
-- 
2.0.1



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