diff mbox

[dpdk-dev,v3,01/11] lib/librte_vhost: enable VIRTIO_NET_F_CTRL_RX VIRTIO_NET_F_CTRL_RX is dependant on VIRTIO_NET_F_CTRL_VQ. Observed that virtio-net driver in guest would crash with only CTRL_RX enabled.

Message ID 1424712993-73818-2-git-send-email-przemyslaw.czesnowicz@intel.com (mailing list archive)
State Accepted, archived
Headers

Commit Message

Czesnowicz, Przemyslaw Feb. 23, 2015, 5:36 p.m. UTC 
  From: "Xie, Huawei" <huawei.xie@intel.com>

In virtnet_send_command:

	/* Caller should know better */
	BUG_ON(!virtio_has_feature(vi->vdev, VIRTIO_NET_F_CTRL_VQ) ||
		(out + in > VIRTNET_SEND_COMMAND_SG_MAX));

Signed-off-by: Huawei Xie <huawei.xie@intel.com>
---
 lib/librte_vhost/virtio-net.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox

Patch

diff --git a/lib/librte_vhost/virtio-net.c b/lib/librte_vhost/virtio-net.c
index b041849..52b4957 100644
--- a/lib/librte_vhost/virtio-net.c
+++ b/lib/librte_vhost/virtio-net.c
@@ -73,7 +73,8 @@  static struct virtio_net_config_ll *ll_root;
 
 /* Features supported by this lib. */
 #define VHOST_SUPPORTED_FEATURES ((1ULL << VIRTIO_NET_F_MRG_RXBUF) | \
-				  (1ULL << VIRTIO_NET_F_CTRL_RX))
+				(1ULL << VIRTIO_NET_F_CTRL_VQ) | \
+				(1ULL << VIRTIO_NET_F_CTRL_RX))
 static uint64_t VHOST_FEATURES = VHOST_SUPPORTED_FEATURES;
 
 /* Line size for reading maps file. */