diff --git a/drivers/net/ifc/ifcvf_vdpa.c b/drivers/net/ifc/ifcvf_vdpa.c index 9e729ff723..e590840345 100644 --- a/drivers/net/ifc/ifcvf_vdpa.c +++ b/drivers/net/ifc/ifcvf_vdpa.c @@ -81,6 +81,8 @@ static struct internal_list_head internal_list = static pthread_mutex_t internal_list_lock = PTHREAD_MUTEX_INITIALIZER; +static void update_used_ring(struct ifcvf_internal *internal, uint16_t qid); + static struct internal_list * find_internal_resource_by_did(int did) { @@ -666,6 +668,10 @@ m_ifcvf_stop(struct ifcvf_internal *internal) ifcvf_stop_hw(hw); for (i = 0; i < hw->nr_vring; i++) { + /* synchronize remaining new used entries if any */ + if ((i & 1) == 0) + update_used_ring(internal, i); + rte_vhost_get_vhost_vring(vid, i, &vq); len = IFCVF_USED_RING_LEN(vq.size); rte_vhost_log_used_vring(vid, i, 0, len); @@ -735,6 +741,7 @@ vring_relay(void *arg) DRV_LOG(ERR, "epoll add error: %s", strerror(errno)); return NULL; } + update_used_ring(internal, qid); } /* start relay with a first kick */