#ifndef __BEN_VLAN_802_1Q_INC__ #define __BEN_VLAN_802_1Q_INC__ #include <linux/if_vlan.h> /** * struct vlan_priority_tci_mapping - vlan egress priority mappings * @priority: skb priority * @vlan_qos: vlan priority: (skb->priority << 13) & 0xE000 * @next: pointer to next struct */ struct vlan_priority_tci_mapping { u32 priority; u16 vlan_qos; struct vlan_priority_tci_mapping *next; }; /** * struct vlan_dev_info - VLAN private device data * @nr_ingress_mappings: number of ingress priority mappings * @ingress_priority_map: ingress priority mappings * @nr_egress_mappings: number of egress priority mappings * @egress_priority_map: hash of egress priority mappings * @vlan_id: VLAN identifier * @flags: device flags * @real_dev: underlying netdevice * @real_dev_addr: address of underlying netdevice * @dent: proc dir entry * @cnt_inc_headroom_on_tx: statistic - number of skb expansions on TX * @cnt_encap_on_xmit: statistic - number of skb encapsulations on TX */ struct vlan_dev_info { unsigned int nr_ingress_mappings; u32 ingress_priority_map[8]; unsigned int nr_egress_mappings; struct vlan_priority_tci_mapping *egress_priority_map[16]; u16 vlan_id; u16 flags; struct net_device *real_dev; unsigned char real_dev_addr[ETH_ALEN]; struct proc_dir_entry *dent; unsigned long cnt_inc_headroom_on_tx; unsigned long cnt_encap_on_xmit; }; static inline struct vlan_dev_info *vlan_dev_info(const struct net_device *dev) { return netdev_priv(dev); } #define VLAN_GRP_HASH_SHIFT 5 #define VLAN_GRP_HASH_SIZE (1 << VLAN_GRP_HASH_SHIFT) #define VLAN_GRP_HASH_MASK (VLAN_GRP_HASH_SIZE - 1) /* Find a VLAN device by the MAC address of its Ethernet device, and * it's VLAN ID. The default configuration is to have VLAN's scope * to be box-wide, so the MAC will be ignored. The mac will only be * looked at if we are configured to have a separate set of VLANs per * each MAC addressable interface. Note that this latter option does * NOT follow the spec for VLANs, but may be useful for doing very * large quantities of VLAN MUX/DEMUX onto FrameRelay or ATM PVCs. * * Must be invoked with rcu_read_lock (ie preempt disabled) * or with RTNL. */ struct net_device *__find_vlan_dev(struct net_device *real_dev, u16 vlan_id); /* found in vlan_dev.c */ int vlan_skb_recv(struct sk_buff *skb, struct net_device *dev, struct packet_type *ptype, struct net_device *orig_dev); void vlan_dev_set_ingress_priority(const struct net_device *dev, u32 skb_prio, u16 vlan_prio); int vlan_dev_set_egress_priority(const struct net_device *dev, u32 skb_prio, u16 vlan_prio); int vlan_dev_change_flags(const struct net_device *dev, u32 flag, u32 mask); void vlan_dev_get_realdev_name(const struct net_device *dev, char *result); int vlan_check_real_dev(struct net_device *real_dev, u16 vlan_id); void vlan_setup(struct net_device *dev); int register_vlan_dev(struct net_device *dev); void unregister_vlan_dev(struct net_device *dev); static inline u32 vlan_get_ingress_priority(struct net_device *dev, u16 vlan_tci) { struct vlan_dev_info *vip = vlan_dev_info(dev); return vip->ingress_priority_map[(vlan_tci >> 13) & 0x7]; } #ifdef CONFIG_VLAN_8021Q_GVRP extern int vlan_gvrp_request_join(const struct net_device *dev); extern void vlan_gvrp_request_leave(const struct net_device *dev); extern int vlan_gvrp_init_applicant(struct net_device *dev); extern void vlan_gvrp_uninit_applicant(struct net_device *dev); extern int vlan_gvrp_init(void); extern void vlan_gvrp_uninit(void); #else static inline int vlan_gvrp_request_join(const struct net_device *dev) { return 0; } static inline void vlan_gvrp_request_leave(const struct net_device *dev) {} static inline int vlan_gvrp_init_applicant(struct net_device *dev) { return 0; } static inline void vlan_gvrp_uninit_applicant(struct net_device *dev) {} static inline int vlan_gvrp_init(void) { return 0; } static inline void vlan_gvrp_uninit(void) {} #endif extern const char vlan_fullname[]; extern const char vlan_version[]; extern int vlan_netlink_init(void); extern void vlan_netlink_fini(void); extern struct rtnl_link_ops vlan_link_ops; static inline int is_vlan_dev(struct net_device *dev) { return dev->priv_flags & IFF_802_1Q_VLAN; } extern int vlan_net_id; struct proc_dir_entry; struct vlan_net { /* /proc/net/vlan */ struct proc_dir_entry *proc_vlan_dir; /* /proc/net/vlan/config */ struct proc_dir_entry *proc_vlan_conf; /* Determines interface naming scheme. */ unsigned short name_type; }; #endif /* !(__BEN_VLAN_802_1Q_INC__) */