On 12/31/2019 8:14 PM, Flavio Leitner wrote:
There is no support for multi-segmented buffers, so flag
that to vhost library.
Signed-off-by: Flavio Leitner <[email protected]>
---
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 */
Minor nit, missing period at end of comment here and the comment below.
Other than that looks good to me.
Acked-by: Ian Stokes <[email protected]>
+ 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;
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