[deliverable/linux.git] / include / net / tc_act / tc_ife.h

#ifndef __NET_TC_IFE_H
#define __NET_TC_IFE_H

#include <net/act_api.h>
#include <linux/etherdevice.h>
#include <linux/rtnetlink.h>
#include <linux/module.h>

#define IFE_METAHDRLEN 2
struct tcf_ife_info {
	struct tc_action common;
	u8 eth_dst[ETH_ALEN];
	u8 eth_src[ETH_ALEN];
	u16 eth_type;
	u16 flags;
	/* list of metaids allowed */
	struct list_head metalist;
};
#define to_ife(a) ((struct tcf_ife_info *)a)

struct tcf_meta_info {
	const struct tcf_meta_ops *ops;
	void *metaval;
	u16 metaid;
	struct list_head metalist;
};

struct tcf_meta_ops {
	u16 metaid; /*Maintainer provided ID */
	u16 metatype; /*netlink attribute type (look at net/netlink.h) */
	const char *name;
	const char *synopsis;
	struct list_head list;
	int	(*check_presence)(struct sk_buff *, struct tcf_meta_info *);
	int	(*encode)(struct sk_buff *, void *, struct tcf_meta_info *);
	int	(*decode)(struct sk_buff *, void *, u16 len);
	int	(*get)(struct sk_buff *skb, struct tcf_meta_info *mi);
	int	(*alloc)(struct tcf_meta_info *, void *, gfp_t);
	void	(*release)(struct tcf_meta_info *);
	int	(*validate)(void *val, int len);
	struct module	*owner;
};

#define MODULE_ALIAS_IFE_META(metan)   MODULE_ALIAS("ifemeta" __stringify_1(metan))

int ife_get_meta_u32(struct sk_buff *skb, struct tcf_meta_info *mi);
int ife_get_meta_u16(struct sk_buff *skb, struct tcf_meta_info *mi);
int ife_tlv_meta_encode(void *skbdata, u16 attrtype, u16 dlen,
			const void *dval);
int ife_alloc_meta_u32(struct tcf_meta_info *mi, void *metaval, gfp_t gfp);
int ife_alloc_meta_u16(struct tcf_meta_info *mi, void *metaval, gfp_t gfp);
int ife_check_meta_u32(u32 metaval, struct tcf_meta_info *mi);
int ife_encode_meta_u32(u32 metaval, void *skbdata, struct tcf_meta_info *mi);
int ife_validate_meta_u32(void *val, int len);
int ife_validate_meta_u16(void *val, int len);
void ife_release_meta_gen(struct tcf_meta_info *mi);
int register_ife_op(struct tcf_meta_ops *mops);
int unregister_ife_op(struct tcf_meta_ops *mops);

#endif /* __NET_TC_IFE_H */
Commit	Line	Data
ef6980b6 JHS	1	#ifndef __NET_TC_IFE_H
	2	#define __NET_TC_IFE_H
	3
	4	#include <net/act_api.h>
	5	#include <linux/etherdevice.h>
	6	#include <linux/rtnetlink.h>
	7	#include <linux/module.h>
	8
	9	#define IFE_METAHDRLEN 2
	10	struct tcf_ife_info {
ec0595cc	11	struct tc_action common;
ef6980b6 JHS	12	u8 eth_dst[ETH_ALEN];
	13	u8 eth_src[ETH_ALEN];
	14	u16 eth_type;
	15	u16 flags;
	16	/* list of metaids allowed */
	17	struct list_head metalist;
	18	};
a85a970a	19	#define to_ife(a) ((struct tcf_ife_info *)a)
ef6980b6 JHS	20
	21	struct tcf_meta_info {
	22	const struct tcf_meta_ops *ops;
	23	void *metaval;
	24	u16 metaid;
	25	struct list_head metalist;
	26	};
	27
	28	struct tcf_meta_ops {
	29	u16 metaid; /Maintainer provided ID /
	30	u16 metatype; /netlink attribute type (look at net/netlink.h) /
	31	const char *name;
	32	const char *synopsis;
	33	struct list_head list;
	34	int (check_presence)(struct sk_buff , struct tcf_meta_info *);
	35	int (encode)(struct sk_buff , void , struct tcf_meta_info );
	36	int (decode)(struct sk_buff , void *, u16 len);
	37	int (get)(struct sk_buff skb, struct tcf_meta_info *mi);
067a7cd0	38	int (alloc)(struct tcf_meta_info , void *, gfp_t);
ef6980b6 JHS	39	void (release)(struct tcf_meta_info );
	40	int (validate)(void val, int len);
	41	struct module *owner;
	42	};
	43
	44	#define MODULE_ALIAS_IFE_META(metan) MODULE_ALIAS("ifemeta" __stringify_1(metan))
	45
	46	int ife_get_meta_u32(struct sk_buff skb, struct tcf_meta_info mi);
	47	int ife_get_meta_u16(struct sk_buff skb, struct tcf_meta_info mi);
	48	int ife_tlv_meta_encode(void *skbdata, u16 attrtype, u16 dlen,
	49	const void *dval);
067a7cd0 WC	50	int ife_alloc_meta_u32(struct tcf_meta_info mi, void metaval, gfp_t gfp);
067a7cd0 WC	51	int ife_alloc_meta_u16(struct tcf_meta_info mi, void metaval, gfp_t gfp);
ef6980b6 JHS	52	int ife_check_meta_u32(u32 metaval, struct tcf_meta_info *mi);
	53	int ife_encode_meta_u32(u32 metaval, void skbdata, struct tcf_meta_info mi);
	54	int ife_validate_meta_u32(void *val, int len);
	55	int ife_validate_meta_u16(void *val, int len);
	56	void ife_release_meta_gen(struct tcf_meta_info *mi);
	57	int register_ife_op(struct tcf_meta_ops *mops);
	58	int unregister_ife_op(struct tcf_meta_ops *mops);
	59
	60	#endif /* __NET_TC_IFE_H */