net/vhost: retrieve vid for a given port

[dpdk.git] / drivers / net / vhost / rte_eth_vhost.c

diff --git a/drivers/net/vhost/rte_eth_vhost.c b/drivers/net/vhost/rte_eth_vhost.c
index 1c41613..1e80fd2 100644 (file)
--- a/drivers/net/vhost/rte_eth_vhost.c
+++ b/drivers/net/vhost/rte_eth_vhost.c
@@ -428,6 +428,35 @@ rte_eth_vhost_get_queue_event(uint8_t port_id,
        return -1;
 }
 
+int
+rte_eth_vhost_get_vid_from_port_id(uint8_t port_id)
+{
+       struct internal_list *list;
+       struct rte_eth_dev *eth_dev;
+       struct vhost_queue *vq;
+       int vid = -1;
+
+       if (!rte_eth_dev_is_valid_port(port_id))
+               return -1;
+
+       pthread_mutex_lock(&internal_list_lock);
+
+       TAILQ_FOREACH(list, &internal_list, next) {
+               eth_dev = list->eth_dev;
+               if (eth_dev->data->port_id == port_id) {
+                       vq = eth_dev->data->rx_queues[0];
+                       if (vq) {
+                               vid = vq->vid;
+                       }
+                       break;
+               }
+       }
+
+       pthread_mutex_unlock(&internal_list_lock);
+
+       return vid;
+}
+
 static void *
 vhost_driver_session(void *param __rte_unused)
 {