diff options
| -rw-r--r-- | include/linux/if_bridge.h | 6 | ||||
| -rw-r--r-- | net/bridge/br_if.c | 12 |
2 files changed, 18 insertions, 0 deletions
diff --git a/include/linux/if_bridge.h b/include/linux/if_bridge.h index c20c7e197d07..ef7c3d376b21 100644 --- a/include/linux/if_bridge.h +++ b/include/linux/if_bridge.h @@ -119,6 +119,7 @@ static inline int br_vlan_get_info(const struct net_device *dev, u16 vid, struct net_device *br_fdb_find_port(const struct net_device *br_dev, const unsigned char *addr, __u16 vid); +bool br_port_flag_is_set(const struct net_device *dev, unsigned long flag); #else static inline struct net_device * br_fdb_find_port(const struct net_device *br_dev, @@ -127,6 +128,11 @@ br_fdb_find_port(const struct net_device *br_dev, { return NULL; } +static inline bool +br_port_flag_is_set(const struct net_device *dev, unsigned long flag) +{ + return false; +} #endif #endif diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c index 9b46d2dc4c22..d4863f5679ac 100644 --- a/net/bridge/br_if.c +++ b/net/bridge/br_if.c @@ -741,3 +741,15 @@ void br_port_flags_change(struct net_bridge_port *p, unsigned long mask) if (mask & BR_NEIGH_SUPPRESS) br_recalculate_neigh_suppress_enabled(br); } + +bool br_port_flag_is_set(const struct net_device *dev, unsigned long flag) +{ + struct net_bridge_port *p; + + p = br_port_get_rtnl_rcu(dev); + if (!p) + return false; + + return p->flags & flag; +} +EXPORT_SYMBOL_GPL(br_port_flag_is_set); |