diff options
| -rw-r--r-- | include/net/dsa.h | 1 | ||||
| -rw-r--r-- | net/dsa/dsa.c | 9 |
2 files changed, 10 insertions, 0 deletions
diff --git a/include/net/dsa.h b/include/net/dsa.h index fb3f9222f2a1..6dfc8c2f68b8 100644 --- a/include/net/dsa.h +++ b/include/net/dsa.h @@ -637,6 +637,7 @@ void dsa_devlink_resource_occ_get_register(struct dsa_switch *ds, void *occ_get_priv); void dsa_devlink_resource_occ_get_unregister(struct dsa_switch *ds, u64 resource_id); +struct dsa_port *dsa_port_from_netdev(struct net_device *netdev); struct dsa_devlink_priv { struct dsa_switch *ds; diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c index 0384a911779e..1ce9ba8cf545 100644 --- a/net/dsa/dsa.c +++ b/net/dsa/dsa.c @@ -412,6 +412,15 @@ void dsa_devlink_resource_occ_get_unregister(struct dsa_switch *ds, } EXPORT_SYMBOL_GPL(dsa_devlink_resource_occ_get_unregister); +struct dsa_port *dsa_port_from_netdev(struct net_device *netdev) +{ + if (!netdev || !dsa_slave_dev_check(netdev)) + return ERR_PTR(-ENODEV); + + return dsa_slave_to_port(netdev); +} +EXPORT_SYMBOL_GPL(dsa_port_from_netdev); + static int __init dsa_init_module(void) { int rc; |