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| author |   David S. Miller <davem@davemloft.net> | 2019-10-05 16:34:15 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-10-05 16:34:15 -0700 |
| commit | fbe3d0c77c83722d7f1c00924e0ed39df2d1d041 (patch) | |
| tree | 8c274ecbd446bcc180a98dc3d0f30e7417d3aacd /net | |
| parent | Merge branch 'net-tls-add-ctrl-path-tracing-and-statistics' (diff) | |
| parent | selftests: test creating netdevsim inside network namespace (diff) | |
| download | linux-dev-fbe3d0c77c83722d7f1c00924e0ed39df2d1d041.tar.xz linux-dev-fbe3d0c77c83722d7f1c00924e0ed39df2d1d041.zip | |
Merge branch 'create-netdevsim-instances-in-namespace'
Jiri Pirko says:
====================
create netdevsim instances in namespace
Allow user to create netdevsim devlink and netdevice instances in a
network namespace according to the namespace where the user resides in.
Add a selftest to test this.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/core/devlink.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/net/core/devlink.c b/net/core/devlink.c index 0e464d071172..76d835581687 100644 --- a/net/core/devlink.c +++ b/net/core/devlink.c @@ -101,11 +101,19 @@ struct net *devlink_net(const struct devlink *devlink) } EXPORT_SYMBOL_GPL(devlink_net); -static void devlink_net_set(struct devlink *devlink, struct net *net) +static void __devlink_net_set(struct devlink *devlink, struct net *net) { write_pnet(&devlink->_net, net); } +void devlink_net_set(struct devlink *devlink, struct net *net) +{ + if (WARN_ON(devlink->registered)) + return; + __devlink_net_set(devlink, net); +} +EXPORT_SYMBOL_GPL(devlink_net_set); + static struct devlink *devlink_get_from_attrs(struct net *net, struct nlattr **attrs) { @@ -2750,7 +2758,7 @@ static void devlink_reload_netns_change(struct devlink *devlink, DEVLINK_CMD_PARAM_DEL); devlink_notify(devlink, DEVLINK_CMD_DEL); - devlink_net_set(devlink, dest_net); + __devlink_net_set(devlink, dest_net); devlink_notify(devlink, DEVLINK_CMD_NEW); list_for_each_entry(param_item, &devlink->param_list, list) @@ -6278,7 +6286,7 @@ struct devlink *devlink_alloc(const struct devlink_ops *ops, size_t priv_size) if (!devlink) return NULL; devlink->ops = ops; - devlink_net_set(devlink, &init_net); + __devlink_net_set(devlink, &init_net); INIT_LIST_HEAD(&devlink->port_list); INIT_LIST_HEAD(&devlink->sb_list); INIT_LIST_HEAD_RCU(&devlink->dpipe_table_list); @@ -6304,6 +6312,7 @@ int devlink_register(struct devlink *devlink, struct device *dev) { mutex_lock(&devlink_mutex); devlink->dev = dev; + devlink->registered = true; list_add_tail(&devlink->list, &devlink_list); devlink_notify(devlink, DEVLINK_CMD_NEW); mutex_unlock(&devlink_mutex); |