diff options
| author | Jiri Pirko <jiri@resnulli.us> | 2012-08-23 05:26:52 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-08-24 19:46:39 +0200 |
| commit | 9b361c13ceeae872161175d39f4798ee345ed10c (patch) | |
| tree | 47431fc1e7c22695ce8b0128d34b70af79a90f02 | |
| parent | team: don't print warn message on -ESRCH during event send (diff) | |
| download | linux-9b361c13ceeae872161175d39f4798ee345ed10c.tar.xz linux-9b361c13ceeae872161175d39f4798ee345ed10c.zip | |
vlan: add helper which can be called to see if device is used by vlan
also, remove unused vlan_info definition from header
CC: Patrick McHardy <kaber@trash.net>
Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | include/linux/if_vlan.h | 9 | ||||
| -rw-r--r-- | net/8021q/vlan_core.c | 6 |
2 files changed, 13 insertions, 2 deletions
diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h index a810987cb80e..e6ff12dd717b 100644 --- a/include/linux/if_vlan.h +++ b/include/linux/if_vlan.h @@ -74,8 +74,6 @@ static inline struct vlan_ethhdr *vlan_eth_hdr(const struct sk_buff *skb) /* found in socket.c */ extern void vlan_ioctl_set(int (*hook)(struct net *, void __user *)); -struct vlan_info; - static inline int is_vlan_dev(struct net_device *dev) { return dev->priv_flags & IFF_802_1Q_VLAN; @@ -101,6 +99,8 @@ extern int vlan_vids_add_by_dev(struct net_device *dev, const struct net_device *by_dev); extern void vlan_vids_del_by_dev(struct net_device *dev, const struct net_device *by_dev); + +extern bool vlan_uses_dev(const struct net_device *dev); #else static inline struct net_device * __vlan_find_dev_deep(struct net_device *real_dev, u16 vlan_id) @@ -151,6 +151,11 @@ static inline void vlan_vids_del_by_dev(struct net_device *dev, const struct net_device *by_dev) { } + +static inline bool vlan_uses_dev(const struct net_device *dev) +{ + return false; +} #endif /** diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c index 8ca533c95de0..b258da88f675 100644 --- a/net/8021q/vlan_core.c +++ b/net/8021q/vlan_core.c @@ -368,3 +368,9 @@ void vlan_vids_del_by_dev(struct net_device *dev, vlan_vid_del(dev, vid_info->vid); } EXPORT_SYMBOL(vlan_vids_del_by_dev); + +bool vlan_uses_dev(const struct net_device *dev) +{ + return rtnl_dereference(dev->vlan_info) ? true : false; +} +EXPORT_SYMBOL(vlan_uses_dev); |