[net-next-2.6.git] / net / 8021q / vlan.h

#ifndef __BEN_VLAN_802_1Q_INC__
#define __BEN_VLAN_802_1Q_INC__

#include <linux/if_vlan.h>
#include <linux/u64_stats_sync.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_rx_stats - VLAN percpu rx stats
 *	@rx_packets: number of received packets
 *	@rx_bytes: number of received bytes
 *	@rx_multicast: number of received multicast packets
 *	@syncp: synchronization point for 64bit counters
 *	@rx_errors: number of errors
 */
struct vlan_rx_stats {
	u64			rx_packets;
	u64			rx_bytes;
	u64			rx_multicast;
	struct u64_stats_sync	syncp;
	unsigned long		rx_errors;
};

/**
 *	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
 *	@vlan_rx_stats: ptr to percpu rx stats
 */
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;
	struct vlan_rx_stats __percpu		*vlan_rx_stats;
};

static inline struct vlan_dev_info *vlan_dev_info(const struct net_device *dev)
{
	return netdev_priv(dev);
}

/* 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, struct list_head *head);

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 >> VLAN_PRIO_SHIFT) & 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__) */
Commit	Line	Data
1da177e4 LT	1	#ifndef __BEN_VLAN_802_1Q_INC__
	2	#define __BEN_VLAN_802_1Q_INC__
	3
	4	#include <linux/if_vlan.h>
9618e2ff	5	#include <linux/u64_stats_sync.h>
1da177e4	6
22d1ba74 PM	7
	8	/**
	9	* struct vlan_priority_tci_mapping - vlan egress priority mappings
	10	* @priority: skb priority
	11	* @vlan_qos: vlan priority: (skb->priority << 13) & 0xE000
	12	* @next: pointer to next struct
	13	*/
	14	struct vlan_priority_tci_mapping {
	15	u32 priority;
9bb8582e	16	u16 vlan_qos;
22d1ba74 PM	17	struct vlan_priority_tci_mapping *next;
	18	};
	19
9793241f ED	20
	21	/**
	22	* struct vlan_rx_stats - VLAN percpu rx stats
	23	* @rx_packets: number of received packets
	24	* @rx_bytes: number of received bytes
9618e2ff ED	25	* @rx_multicast: number of received multicast packets
9618e2ff ED	26	* @syncp: synchronization point for 64bit counters
9793241f ED	27	* @rx_errors: number of errors
	28	*/
	29	struct vlan_rx_stats {
9618e2ff ED	30	u64 rx_packets;
	31	u64 rx_bytes;
	32	u64 rx_multicast;
	33	struct u64_stats_sync syncp;
	34	unsigned long rx_errors;
9793241f ED	35	};
9793241f ED	36
22d1ba74 PM	37	/**
	38	* struct vlan_dev_info - VLAN private device data
	39	* @nr_ingress_mappings: number of ingress priority mappings
	40	* @ingress_priority_map: ingress priority mappings
	41	* @nr_egress_mappings: number of egress priority mappings
	42	* @egress_priority_map: hash of egress priority mappings
	43	* @vlan_id: VLAN identifier
	44	* @flags: device flags
	45	* @real_dev: underlying netdevice
	46	* @real_dev_addr: address of underlying netdevice
	47	* @dent: proc dir entry
9793241f	48	* @vlan_rx_stats: ptr to percpu rx stats
22d1ba74 PM	49	*/
	50	struct vlan_dev_info {
	51	unsigned int nr_ingress_mappings;
	52	u32 ingress_priority_map[8];
	53	unsigned int nr_egress_mappings;
	54	struct vlan_priority_tci_mapping *egress_priority_map[16];
	55
9bb8582e PM	56	u16 vlan_id;
9bb8582e PM	57	u16 flags;
22d1ba74 PM	58
	59	struct net_device *real_dev;
	60	unsigned char real_dev_addr[ETH_ALEN];
	61
	62	struct proc_dir_entry *dent;
7d720c3e	63	struct vlan_rx_stats __percpu *vlan_rx_stats;
22d1ba74 PM	64	};
	65
	66	static inline struct vlan_dev_info vlan_dev_info(const struct net_device dev)
	67	{
	68	return netdev_priv(dev);
	69	}
	70
1da177e4	71	/* found in vlan_dev.c */
1da177e4	72	int vlan_skb_recv(struct sk_buff skb, struct net_device dev,
122952fc	73	struct packet_type ptype, struct net_device orig_dev);
c17d8874	74	void vlan_dev_set_ingress_priority(const struct net_device *dev,
9bb8582e	75	u32 skb_prio, u16 vlan_prio);
c17d8874	76	int vlan_dev_set_egress_priority(const struct net_device *dev,
9bb8582e	77	u32 skb_prio, u16 vlan_prio);
b3ce0325	78	int vlan_dev_change_flags(const struct net_device *dev, u32 flag, u32 mask);
c17d8874	79	void vlan_dev_get_realdev_name(const struct net_device dev, char result);
1da177e4	80
9bb8582e	81	int vlan_check_real_dev(struct net_device *real_dev, u16 vlan_id);
07b5b17e PM	82	void vlan_setup(struct net_device *dev);
07b5b17e PM	83	int register_vlan_dev(struct net_device *dev);
23289a37	84	void unregister_vlan_dev(struct net_device dev, struct list_head head);
07b5b17e	85
7750f403	86	static inline u32 vlan_get_ingress_priority(struct net_device *dev,
9bb8582e	87	u16 vlan_tci)
7750f403 PM	88	{
	89	struct vlan_dev_info *vip = vlan_dev_info(dev);
	90
05423b24	91	return vip->ingress_priority_map[(vlan_tci >> VLAN_PRIO_SHIFT) & 0x7];
7750f403 PM	92	}
7750f403 PM	93
70c03b49 PM	94	#ifdef CONFIG_VLAN_8021Q_GVRP
	95	extern int vlan_gvrp_request_join(const struct net_device *dev);
	96	extern void vlan_gvrp_request_leave(const struct net_device *dev);
	97	extern int vlan_gvrp_init_applicant(struct net_device *dev);
	98	extern void vlan_gvrp_uninit_applicant(struct net_device *dev);
	99	extern int vlan_gvrp_init(void);
	100	extern void vlan_gvrp_uninit(void);
	101	#else
	102	static inline int vlan_gvrp_request_join(const struct net_device *dev) { return 0; }
	103	static inline void vlan_gvrp_request_leave(const struct net_device *dev) {}
	104	static inline int vlan_gvrp_init_applicant(struct net_device *dev) { return 0; }
	105	static inline void vlan_gvrp_uninit_applicant(struct net_device *dev) {}
	106	static inline int vlan_gvrp_init(void) { return 0; }
	107	static inline void vlan_gvrp_uninit(void) {}
	108	#endif
	109
b3020061 SH	110	extern const char vlan_fullname[];
	111	extern const char vlan_version[];
	112	extern int vlan_netlink_init(void);
	113	extern void vlan_netlink_fini(void);
07b5b17e PM	114
	115	extern struct rtnl_link_ops vlan_link_ops;
	116
802fb176 PE	117	static inline int is_vlan_dev(struct net_device *dev)
	118	{
	119	return dev->priv_flags & IFF_802_1Q_VLAN;
	120	}
	121
d9ed0f0e PE	122	extern int vlan_net_id;
d9ed0f0e PE	123
a59a8c1c PE	124	struct proc_dir_entry;
a59a8c1c PE	125
d9ed0f0e	126	struct vlan_net {
a59a8c1c PE	127	/* /proc/net/vlan */
	128	struct proc_dir_entry *proc_vlan_dir;
	129	/* /proc/net/vlan/config */
	130	struct proc_dir_entry *proc_vlan_conf;
7a17a2f7 PE	131	/* Determines interface naming scheme. */
7a17a2f7 PE	132	unsigned short name_type;
d9ed0f0e PE	133	};
d9ed0f0e PE	134
1da177e4	135	#endif /* !(__BEN_VLAN_802_1Q_INC__) */