1 #ifndef __BEN_VLAN_802_1Q_INC__ 2 #define __BEN_VLAN_802_1Q_INC__ 3 4 #include <linux/if_vlan.h> 5 6 #define VLAN_GRP_HASH_SHIFT 5 7 #define VLAN_GRP_HASH_SIZE (1 << VLAN_GRP_HASH_SHIFT) 8 #define VLAN_GRP_HASH_MASK (VLAN_GRP_HASH_SIZE - 1) 9 10 /* Find a VLAN device by the MAC address of its Ethernet device, and 11 * it's VLAN ID. The default configuration is to have VLAN's scope 12 * to be box-wide, so the MAC will be ignored. The mac will only be 13 * looked at if we are configured to have a separate set of VLANs per 14 * each MAC addressable interface. Note that this latter option does 15 * NOT follow the spec for VLANs, but may be useful for doing very 16 * large quantities of VLAN MUX/DEMUX onto FrameRelay or ATM PVCs. 17 * 18 * Must be invoked with rcu_read_lock (ie preempt disabled) 19 * or with RTNL. 20 */ 21 struct net_device *__find_vlan_dev(struct net_device *real_dev, 22 unsigned short VID); /* vlan.c */ 23 24 /* found in vlan_dev.c */ 25 int vlan_skb_recv(struct sk_buff *skb, struct net_device *dev, 26 struct packet_type *ptype, struct net_device *orig_dev); 27 void vlan_dev_set_ingress_priority(const struct net_device *dev, 28 u32 skb_prio, short vlan_prio); 29 int vlan_dev_set_egress_priority(const struct net_device *dev, 30 u32 skb_prio, short vlan_prio); 31 int vlan_dev_set_vlan_flag(const struct net_device *dev, 32 u32 flag, short flag_val); 33 void vlan_dev_get_realdev_name(const struct net_device *dev, char *result); 34 void vlan_dev_get_vid(const struct net_device *dev, unsigned short *result); 35 36 int vlan_check_real_dev(struct net_device *real_dev, unsigned short vlan_id); 37 void vlan_setup(struct net_device *dev); 38 int register_vlan_dev(struct net_device *dev); 39 void unregister_vlan_dev(struct net_device *dev); 40 41 int vlan_netlink_init(void); 42 void vlan_netlink_fini(void); 43 44 extern struct rtnl_link_ops vlan_link_ops; 45 46 static inline int is_vlan_dev(struct net_device *dev) 47 { 48 return dev->priv_flags & IFF_802_1Q_VLAN; 49 } 50 51 extern int vlan_net_id; 52 53 struct proc_dir_entry; 54 55 struct vlan_net { 56 /* /proc/net/vlan */ 57 struct proc_dir_entry *proc_vlan_dir; 58 /* /proc/net/vlan/config */ 59 struct proc_dir_entry *proc_vlan_conf; 60 /* Determines interface naming scheme. */ 61 unsigned short name_type; 62 }; 63 64 #endif /* !(__BEN_VLAN_802_1Q_INC__) */ 65