bridge: add br_vlan_get_pvid_rcu()

This new function allows you to fetch bridge pvid from packet path.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
This commit is contained in:
Pablo Neira Ayuso
2019-07-05 21:16:34 +08:00
parent 9d6a1ecdc9
commit 7582f5b70f
2 changed files with 21 additions and 4 deletions

View File

@@ -88,6 +88,7 @@ static inline bool br_multicast_router(const struct net_device *dev)
#if IS_ENABLED(CONFIG_BRIDGE) && IS_ENABLED(CONFIG_BRIDGE_VLAN_FILTERING)
bool br_vlan_enabled(const struct net_device *dev);
int br_vlan_get_pvid(const struct net_device *dev, u16 *p_pvid);
int br_vlan_get_pvid_rcu(const struct net_device *dev, u16 *p_pvid);
int br_vlan_get_info(const struct net_device *dev, u16 vid,
struct bridge_vlan_info *p_vinfo);
#else
@@ -101,6 +102,11 @@ static inline int br_vlan_get_pvid(const struct net_device *dev, u16 *p_pvid)
return -EINVAL;
}
static inline int br_vlan_get_pvid_rcu(const struct net_device *dev, u16 *p_pvid)
{
return -EINVAL;
}
static inline int br_vlan_get_info(const struct net_device *dev, u16 vid,
struct bridge_vlan_info *p_vinfo)
{