The mediated vring's index should be set as initial value before enabling
HW datapath.
Fixes: 4bb531e152d3 ("net/ifc: support SW assisted VDPA live migration")
Signed-off-by: Xiao Wang <xiao.w.w...@intel.com>
---
drivers/net/ifc/ifcvf_vdpa.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/drivers/net/ifc/ifcvf_vdpa.c b/drivers/net/ifc/ifcvf_vdpa.c
index 619cdc245..9e729ff72 100644
--- a/drivers/net/ifc/ifcvf_vdpa.c
+++ b/drivers/net/ifc/ifcvf_vdpa.c
@@ -631,6 +631,10 @@ m_ifcvf_start(struct ifcvf_internal *internal)
hw->vring[i].size = vq.size;
+ rte_vhost_get_vring_base(vid, i,
+ &internal->m_vring[i].avail->idx,
+ &internal->m_vring[i].used->idx);
+
rte_vhost_get_vring_base(vid, i, &hw->vring[i].last_avail_idx,
&hw->vring[i].last_used_idx);
@@ -702,11 +706,6 @@ vring_relay(void *arg)
vid = internal->vid;
q_num = rte_vhost_get_vring_num(vid);
- /* prepare the mediated vring */
- for (qid = 0; qid < q_num; qid++)
- rte_vhost_get_vring_base(vid, qid,
- &internal->m_vring[qid].avail->idx,
- &internal->m_vring[qid].used->idx);
/* add notify fd and interrupt fd to epoll */
epfd = epoll_create(IFCVF_MAX_QUEUES * 2);
--
2.15.1
