[net-next-2.6.git] / include / net / garp.h

#ifndef _NET_GARP_H
#define _NET_GARP_H

#include <net/stp.h>

#define GARP_PROTOCOL_ID	0x1
#define GARP_END_MARK		0x0

struct garp_pdu_hdr {
	__be16	protocol;
};

struct garp_msg_hdr {
	u8	attrtype;
};

enum garp_attr_event {
	GARP_LEAVE_ALL,
	GARP_JOIN_EMPTY,
	GARP_JOIN_IN,
	GARP_LEAVE_EMPTY,
	GARP_LEAVE_IN,
	GARP_EMPTY,
};

struct garp_attr_hdr {
	u8	len;
	u8	event;
	u8	data[];
};

struct garp_skb_cb {
	u8	cur_type;
};

static inline struct garp_skb_cb *garp_cb(struct sk_buff *skb)
{
	BUILD_BUG_ON(sizeof(struct garp_skb_cb) >
		     FIELD_SIZEOF(struct sk_buff, cb));
	return (struct garp_skb_cb *)skb->cb;
}

enum garp_applicant_state {
	GARP_APPLICANT_INVALID,
	GARP_APPLICANT_VA,
	GARP_APPLICANT_AA,
	GARP_APPLICANT_QA,
	GARP_APPLICANT_LA,
	GARP_APPLICANT_VP,
	GARP_APPLICANT_AP,
	GARP_APPLICANT_QP,
	GARP_APPLICANT_VO,
	GARP_APPLICANT_AO,
	GARP_APPLICANT_QO,
	__GARP_APPLICANT_MAX
};
#define GARP_APPLICANT_MAX	(__GARP_APPLICANT_MAX - 1)

enum garp_event {
	GARP_EVENT_REQ_JOIN,
	GARP_EVENT_REQ_LEAVE,
	GARP_EVENT_R_JOIN_IN,
	GARP_EVENT_R_JOIN_EMPTY,
	GARP_EVENT_R_EMPTY,
	GARP_EVENT_R_LEAVE_IN,
	GARP_EVENT_R_LEAVE_EMPTY,
	GARP_EVENT_TRANSMIT_PDU,
	__GARP_EVENT_MAX
};
#define GARP_EVENT_MAX		(__GARP_EVENT_MAX - 1)

enum garp_action {
	GARP_ACTION_NONE,
	GARP_ACTION_S_JOIN_IN,
	GARP_ACTION_S_LEAVE_EMPTY,
};

struct garp_attr {
	struct rb_node			node;
	enum garp_applicant_state	state;
	u8				type;
	u8				dlen;
	unsigned char			data[];
};

enum garp_applications {
	GARP_APPLICATION_GVRP,
	__GARP_APPLICATION_MAX
};
#define GARP_APPLICATION_MAX	(__GARP_APPLICATION_MAX - 1)

struct garp_application {
	enum garp_applications	type;
	unsigned int		maxattr;
	struct stp_proto	proto;
};

struct garp_applicant {
	struct garp_application	*app;
	struct net_device	*dev;
	struct timer_list	join_timer;

	spinlock_t		lock;
	struct sk_buff_head	queue;
	struct sk_buff		*pdu;
	struct rb_root		gid;
};

struct garp_port {
	struct garp_applicant __rcu	*applicants[GARP_APPLICATION_MAX + 1];
};

extern int	garp_register_application(struct garp_application *app);
extern void	garp_unregister_application(struct garp_application *app);

extern int	garp_init_applicant(struct net_device *dev,
				    struct garp_application *app);
extern void	garp_uninit_applicant(struct net_device *dev,
				      struct garp_application *app);

extern int	garp_request_join(const struct net_device *dev,
				  const struct garp_application *app,
				  const void *data, u8 len, u8 type);
extern void	garp_request_leave(const struct net_device *dev,
				   const struct garp_application *app,
				   const void *data, u8 len, u8 type);

#endif /* _NET_GARP_H */
Commit	Line	Data
eca9ebac PM	1	#ifndef _NET_GARP_H
	2	#define _NET_GARP_H
	3
	4	#include <net/stp.h>
	5
	6	#define GARP_PROTOCOL_ID 0x1
	7	#define GARP_END_MARK 0x0
	8
	9	struct garp_pdu_hdr {
	10	__be16 protocol;
	11	};
	12
	13	struct garp_msg_hdr {
	14	u8 attrtype;
	15	};
	16
	17	enum garp_attr_event {
	18	GARP_LEAVE_ALL,
	19	GARP_JOIN_EMPTY,
	20	GARP_JOIN_IN,
	21	GARP_LEAVE_EMPTY,
	22	GARP_LEAVE_IN,
	23	GARP_EMPTY,
	24	};
	25
	26	struct garp_attr_hdr {
	27	u8 len;
	28	u8 event;
	29	u8 data[];
	30	};
	31
	32	struct garp_skb_cb {
	33	u8 cur_type;
	34	};
	35
	36	static inline struct garp_skb_cb garp_cb(struct sk_buff skb)
	37	{
	38	BUILD_BUG_ON(sizeof(struct garp_skb_cb) >
	39	FIELD_SIZEOF(struct sk_buff, cb));
	40	return (struct garp_skb_cb *)skb->cb;
	41	}
	42
	43	enum garp_applicant_state {
	44	GARP_APPLICANT_INVALID,
	45	GARP_APPLICANT_VA,
	46	GARP_APPLICANT_AA,
	47	GARP_APPLICANT_QA,
	48	GARP_APPLICANT_LA,
	49	GARP_APPLICANT_VP,
	50	GARP_APPLICANT_AP,
	51	GARP_APPLICANT_QP,
	52	GARP_APPLICANT_VO,
	53	GARP_APPLICANT_AO,
	54	GARP_APPLICANT_QO,
	55	__GARP_APPLICANT_MAX
	56	};
	57	#define GARP_APPLICANT_MAX (__GARP_APPLICANT_MAX - 1)
	58
	59	enum garp_event {
	60	GARP_EVENT_REQ_JOIN,
	61	GARP_EVENT_REQ_LEAVE,
	62	GARP_EVENT_R_JOIN_IN,
	63	GARP_EVENT_R_JOIN_EMPTY,
	64	GARP_EVENT_R_EMPTY,
65	GARP_EVENT_R_LEAVE_IN,
66	GARP_EVENT_R_LEAVE_EMPTY,
67	GARP_EVENT_TRANSMIT_PDU,
68	__GARP_EVENT_MAX
69	};
70	#define GARP_EVENT_MAX (__GARP_EVENT_MAX - 1)
71
72	enum garp_action {
73	GARP_ACTION_NONE,
74	GARP_ACTION_S_JOIN_IN,
75	GARP_ACTION_S_LEAVE_EMPTY,
76	};
77
78	struct garp_attr {
79	struct rb_node node;
80	enum garp_applicant_state state;
81	u8 type;
82	u8 dlen;
83	unsigned char data[];
84	};
85
86	enum garp_applications {
70c03b49	87	GARP_APPLICATION_GVRP,
eca9ebac PM	88	__GARP_APPLICATION_MAX
	89	};
	90	#define GARP_APPLICATION_MAX (__GARP_APPLICATION_MAX - 1)
	91
	92	struct garp_application {
	93	enum garp_applications type;
	94	unsigned int maxattr;
	95	struct stp_proto proto;
	96	};
	97
	98	struct garp_applicant {
	99	struct garp_application *app;
	100	struct net_device *dev;
	101	struct timer_list join_timer;
	102
	103	spinlock_t lock;
	104	struct sk_buff_head queue;
	105	struct sk_buff *pdu;
	106	struct rb_root gid;
	107	};
	108
	109	struct garp_port {
3cc77ec7	110	struct garp_applicant __rcu *applicants[GARP_APPLICATION_MAX + 1];
eca9ebac PM	111	};
	112
	113	extern int garp_register_application(struct garp_application *app);
	114	extern void garp_unregister_application(struct garp_application *app);
	115
	116	extern int garp_init_applicant(struct net_device *dev,
	117	struct garp_application *app);
	118	extern void garp_uninit_applicant(struct net_device *dev,
	119	struct garp_application *app);
	120
	121	extern int garp_request_join(const struct net_device *dev,
	122	const struct garp_application *app,
	123	const void *data, u8 len, u8 type);
	124	extern void garp_request_leave(const struct net_device *dev,
	125	const struct garp_application *app,
	126	const void *data, u8 len, u8 type);
	127
	128	#endif /* _NET_GARP_H */