[dpdk-dev,13/22] net/bonding: enable port detach on secondary process
diff mbox series

Message ID 20180607123849.14439-14-qi.z.zhang@intel.com
State Superseded, archived
Delegated to: Thomas Monjalon
Headers show
Series
  • enable hotplug on multi-process
Related show

Checks

Context Check Description
ci/Intel-compilation fail Compilation issues
ci/checkpatch success coding style OK

Commit Message

Qi Zhang June 7, 2018, 12:38 p.m. UTC
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_local, we can support this with
minor change.

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

Comments

Chas Williams June 7, 2018, 2:21 p.m. UTC | #1
On Thu, Jun 7, 2018 at 8:38 AM, Qi Zhang <qi.z.zhang@intel.com> wrote:

> 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_local, we can support this with
> minor change.
>

This commit message needs some work.  Otherwise, I think this particular
patch is fine.


>
> Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
> ---
>  drivers/net/bonding/rte_eth_bond_pmd.c | 11 +++++++++++
>  1 file changed, 11 insertions(+)
>
> diff --git a/drivers/net/bonding/rte_eth_bond_pmd.c
> b/drivers/net/bonding/rte_eth_bond_pmd.c
> index 02d94b1b1..1221f62b2 100644
> --- a/drivers/net/bonding/rte_eth_bond_pmd.c
> +++ b/drivers/net/bonding/rte_eth_bond_pmd.c
> @@ -3065,6 +3065,7 @@ bond_probe(struct rte_vdev_device *dev)
>                 }
>                 /* TODO: request info from primary to set up Rx and Tx */
>                 eth_dev->dev_ops = &default_dev_ops;
> +               eth_dev->device = &dev->device;
>                 rte_eth_dev_probing_finish(eth_dev);
>                 return 0;
>         }
> @@ -3171,6 +3172,16 @@ bond_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 */
>

process?


> +               if (strlen(rte_vdev_device_args(dev)) == 0)
> +                       return rte_eth_dev_release_port_local(eth_dev);
> +               /**
> +                * else this is a private device for current process
> +                * so continue with normal detach scenario
> +                */
> +       }
> +
>         RTE_ASSERT(eth_dev->device == &dev->device);
>
>         internals = eth_dev->data->dev_private;
> --
> 2.13.6
>
>

Patch
diff mbox series

diff --git a/drivers/net/bonding/rte_eth_bond_pmd.c b/drivers/net/bonding/rte_eth_bond_pmd.c
index 02d94b1b1..1221f62b2 100644
--- a/drivers/net/bonding/rte_eth_bond_pmd.c
+++ b/drivers/net/bonding/rte_eth_bond_pmd.c
@@ -3065,6 +3065,7 @@  bond_probe(struct rte_vdev_device *dev)
 		}
 		/* TODO: request info from primary to set up Rx and Tx */
 		eth_dev->dev_ops = &default_dev_ops;
+		eth_dev->device = &dev->device;
 		rte_eth_dev_probing_finish(eth_dev);
 		return 0;
 	}
@@ -3171,6 +3172,16 @@  bond_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_local(eth_dev);
+		/**
+		 * else this is a private device for current process
+		 * so continue with normal detach scenario
+		 */
+	}
+
 	RTE_ASSERT(eth_dev->device == &dev->device);
 
 	internals = eth_dev->data->dev_private;