[ovs-dev] [PATCH dpdk-latest v2 2/4] vhost: Disable multi-segmented buffers
Flavio Leitner
fbl at sysclose.org
Tue Dec 31 20:14:09 UTC 2019
There is no support for multi-segmented buffers, so flag
that to vhost library.
Signed-off-by: Flavio Leitner <fbl at sysclose.org>
---
lib/netdev-dpdk.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/lib/netdev-dpdk.c b/lib/netdev-dpdk.c
index 2423d26ee..57bff5e58 100644
--- a/lib/netdev-dpdk.c
+++ b/lib/netdev-dpdk.c
@@ -1288,6 +1288,9 @@ netdev_dpdk_vhost_construct(struct netdev *netdev)
dev->vhost_id = xasprintf("%s/%s", dpdk_get_vhost_sock_dir(), name);
dev->vhost_driver_flags &= ~RTE_VHOST_USER_CLIENT;
+
+ /* There is no support for multi-segments buffers */
+ dev->vhost_driver_flags |= RTE_VHOST_USER_LINEARBUF_SUPPORT;
err = rte_vhost_driver_register(dev->vhost_id, dev->vhost_driver_flags);
if (err) {
VLOG_ERR("vhost-user socket device setup failure for socket %s\n",
@@ -4355,6 +4358,9 @@ netdev_dpdk_vhost_client_reconfigure(struct netdev *netdev)
/* Register client-mode device. */
vhost_flags |= RTE_VHOST_USER_CLIENT;
+ /* There is no support for multi-segments buffers */
+ vhost_flags |= RTE_VHOST_USER_LINEARBUF_SUPPORT;
+
/* Enable IOMMU support, if explicitly requested. */
if (dpdk_vhost_iommu_enabled()) {
vhost_flags |= RTE_VHOST_USER_IOMMU_SUPPORT;
--
2.24.1
More information about the dev
mailing list