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netdevsim: implement dev probe/remove skeleton with port initialization

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Implement netdevsim bus probing of netdevsim devices. For every probed
device create a devlink instance. According to the user-passed value,
create a number of ports represented by devlink port instances.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko
2019-04-25 15:59:53 +02:00
committed by David S. Miller
parent ab1d0cc004
commit 8320d14591
4 changed files with 160 additions and 30 deletions
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15
drivers/net/netdevsim/netdev.c
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@@ -74,7 +74,6 @@ static void nsim_free(struct net_device *dev)
{
struct netdevsim *ns = netdev_priv(dev);
nsim_dev_destroy(ns->nsim_dev);
nsim_bus_dev_del(ns->nsim_bus_dev);
/* netdev and vf state will be freed out of device_release() */
}
@@ -364,26 +363,20 @@ static int nsim_newlink(struct net *src_net, struct net_device *dev,
struct netdevsim *ns = netdev_priv(dev);
int err;
ns->nsim_bus_dev = nsim_bus_dev_new(~0, 0);
ns->netdev = dev;
ns->nsim_bus_dev = nsim_bus_dev_new_with_ns(ns);
if (IS_ERR(ns->nsim_bus_dev))
return PTR_ERR(ns->nsim_bus_dev);
SET_NETDEV_DEV(dev, &ns->nsim_bus_dev->dev);
ns->netdev = dev;
ns->nsim_dev = nsim_dev_create_with_ns(ns->nsim_bus_dev, ns);
if (IS_ERR(ns->nsim_dev)) {
err = PTR_ERR(ns->nsim_dev);
goto err_dev_del;
}
ns->nsim_dev = dev_get_drvdata(&ns->nsim_bus_dev->dev);
err = register_netdevice(dev);
if (err)
goto err_dev_destroy;
goto err_dev_del;
return 0;
err_dev_destroy:
nsim_dev_destroy(ns->nsim_dev);
err_dev_del:
nsim_bus_dev_del(ns->nsim_bus_dev);
return err;