Hi Qi
From: 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>
Failsafe doesn't support secondary process,
I don't think we need this adjustment for drivers which don't support secondary
process.
> ---
> drivers/net/failsafe/failsafe.c | 16 ++++++++++++++++
> 1 file changed, 16 insertions(+)
>
> diff --git a/drivers/net/failsafe/failsafe.c
> b/drivers/net/failsafe/failsafe.c index
> eafbb75df..c5e8651f6 100644
> --- a/drivers/net/failsafe/failsafe.c
> +++ b/drivers/net/failsafe/failsafe.c
> @@ -328,6 +328,7 @@ rte_pmd_failsafe_probe(struct rte_vdev_device *vdev)
> }
> /* TODO: request info from primary to set up Rx and Tx */
> eth_dev->dev_ops = &failsafe_ops;
> + eth_dev->device = &vdev->device;
> rte_eth_dev_probing_finish(eth_dev);
> return 0;
> }
> @@ -338,10 +339,25 @@ rte_pmd_failsafe_probe(struct rte_vdev_device
> *vdev) static int rte_pmd_failsafe_remove(struct rte_vdev_device *vdev) {
> + struct rte_eth_dev *eth_dev;
> const char *name;
>
> name = rte_vdev_device_name(vdev);
> INFO("Uninitializing " FAILSAFE_DRIVER_NAME " for %s", name);
> +
> + eth_dev = rte_eth_dev_allocated(name);
> + if (!eth_dev)
> + 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(eth_dev);
> + /**
> + * else this is a private device for current process
> + * so continue with normal detach scenario.
> + */
> + }
> +
> return fs_rte_eth_free(name);
> }
>
> --
> 2.13.6
