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bridge: Prepare for 802.1ad vlan filtering support

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This enables a bridge to have vlan protocol informantion and allows vlan
tag manipulation (retrieve, insert and remove tags) according to the vlan
protocol.

Signed-off-by: Toshiaki Makita <makita.toshiaki@lab.ntt.co.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Toshiaki Makita
2014-06-10 20:59:23 +09:00
committed by David S. Miller
parent 1c5abb6c77
commit 8580e2117c
3 changed files with 51 additions and 12 deletions
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6
net/bridge/br_private.h
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@@ -294,6 +294,7 @@ struct net_bridge
u32 auto_cnt;
#ifdef CONFIG_BRIDGE_VLAN_FILTERING
u8 vlan_enabled;
__be16 vlan_proto;
struct net_port_vlans __rcu *vlan_info;
#endif
};
@@ -594,6 +595,7 @@ int br_vlan_delete(struct net_bridge *br, u16 vid);
void br_vlan_flush(struct net_bridge *br);
bool br_vlan_find(struct net_bridge *br, u16 vid);
int br_vlan_filter_toggle(struct net_bridge *br, unsigned long val);
void br_vlan_init(struct net_bridge *br);
int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags);
int nbp_vlan_delete(struct net_bridge_port *port, u16 vid);
void nbp_vlan_flush(struct net_bridge_port *port);
@@ -689,6 +691,10 @@ static inline bool br_vlan_find(struct net_bridge *br, u16 vid)
return false;
}
static inline void br_vlan_init(struct net_bridge *br)
{
}
static inline int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags)
{
return -EOPNOTSUPP;