[dpdk-dev] [PATCH v2 19/22] net/softnic: enable port detach on secondary process

[Qi Zhang]

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/softnic/rte_eth_softnic.c | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/drivers/net/softnic/rte_eth_softnic.c 
b/drivers/net/softnic/rte_eth_softnic.c
index 6b3c13e5c..a45a7b0dd 100644
--- a/drivers/net/softnic/rte_eth_softnic.c
+++ b/drivers/net/softnic/rte_eth_softnic.c
@@ -750,6 +750,7 @@ pmd_probe(struct rte_vdev_device *vdev)
                }
                /* TODO: request info from primary to set up Rx and Tx */
                eth_dev->dev_ops = &pmd_ops;
+               eth_dev->device = &vdev->device;
                rte_eth_dev_probing_finish(eth_dev);
                return 0;
        }
@@ -803,17 +804,29 @@ pmd_remove(struct rte_vdev_device *vdev)
 {
        struct rte_eth_dev *dev = NULL;
        struct pmd_internals *p;
+       const char *name;
 
        if (!vdev)
                return -EINVAL;
 
-       PMD_LOG(INFO, "Removing device \"%s\"",
-               rte_vdev_device_name(vdev));
+       name = rte_vdev_device_name(vdev);
+       PMD_LOG(INFO, "Removing device \"%s\"", name);
 
        /* Find the ethdev entry */
-       dev = rte_eth_dev_allocated(rte_vdev_device_name(vdev));
+       dev = rte_eth_dev_allocated(name);
        if (dev == NULL)
                return -ENODEV;
+
+       if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
+               /* detach device on local pprocess only */
+               if (strlen(rte_vdev_device_args(vdev)) == 0)
+                       return rte_eth_dev_release_port_private(dev);
+               /**
+                * else this is a private device for current process
+                * so continue with normal detach scenario
+                */
+       }
+
        p = dev->data->dev_private;
 
        /* Free device data structures*/
-- 
2.13.6