Previously, detach port on secondary process will mess primary
process and cause same device can't be attached again, by take
advantage of rte_eth_release_port_private, we can support this
with minor change.

Signed-off-by: Qi Zhang <qi.z.zh...@intel.com>
---
 drivers/net/vhost/rte_eth_vhost.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/drivers/net/vhost/rte_eth_vhost.c 
b/drivers/net/vhost/rte_eth_vhost.c
index ba9d768a0..f773711b4 100644
--- a/drivers/net/vhost/rte_eth_vhost.c
+++ b/drivers/net/vhost/rte_eth_vhost.c
@@ -1353,6 +1353,7 @@ rte_pmd_vhost_probe(struct rte_vdev_device *dev)
                }
                /* TODO: request info from primary to set up Rx and Tx */
                eth_dev->dev_ops = &ops;
+               eth_dev->device = &dev->device;
                rte_eth_dev_probing_finish(eth_dev);
                return 0;
        }
@@ -1435,6 +1436,16 @@ rte_pmd_vhost_remove(struct rte_vdev_device *dev)
        if (eth_dev == NULL)
                return -ENODEV;
 
+       if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
+               /* detach device on local pprocess only */
+               if (strlen(rte_vdev_device_args(dev)) == 0)
+                       return rte_eth_dev_release_port_private(eth_dev);
+               /**
+                * else this is a private device for current process
+                * so continue with normal detach scenario
+                */
+       }
+
        eth_dev_close(eth_dev);
 
        rte_free(vring_states[eth_dev->data->port_id]);
-- 
2.13.6

Reply via email to