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
10struct tcf_ife_info {
11	struct tc_action common;
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};
19#define to_ife(a) ((struct tcf_ife_info *)a)
20
21struct tcf_meta_info {
22	const struct tcf_meta_ops *ops;
23	void *metaval;
24	u16 metaid;
25	struct list_head metalist;
26};
27
28struct 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);
38	int	(*alloc)(struct tcf_meta_info *, void *, gfp_t);
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
46int ife_get_meta_u32(struct sk_buff *skb, struct tcf_meta_info *mi);
47int ife_get_meta_u16(struct sk_buff *skb, struct tcf_meta_info *mi);
48int ife_tlv_meta_encode(void *skbdata, u16 attrtype, u16 dlen,
49			const void *dval);
50int ife_alloc_meta_u32(struct tcf_meta_info *mi, void *metaval, gfp_t gfp);
51int ife_alloc_meta_u16(struct tcf_meta_info *mi, void *metaval, gfp_t gfp);
52int ife_check_meta_u32(u32 metaval, struct tcf_meta_info *mi);
53int ife_check_meta_u16(u16 metaval, struct tcf_meta_info *mi);
54int ife_encode_meta_u32(u32 metaval, void *skbdata, struct tcf_meta_info *mi);
55int ife_validate_meta_u32(void *val, int len);
56int ife_validate_meta_u16(void *val, int len);
57int ife_encode_meta_u16(u16 metaval, void *skbdata, struct tcf_meta_info *mi);
58void ife_release_meta_gen(struct tcf_meta_info *mi);
59int register_ife_op(struct tcf_meta_ops *mops);
60int unregister_ife_op(struct tcf_meta_ops *mops);
61
62#endif /* __NET_TC_IFE_H */

 1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef __NET_TC_IFE_H
 3#define __NET_TC_IFE_H
 4
 5#include <net/act_api.h>
 6#include <linux/etherdevice.h>
 7#include <linux/rtnetlink.h>
 
 8
 9struct module;
10
11struct tcf_ife_params {
12	u8 eth_dst[ETH_ALEN];
13	u8 eth_src[ETH_ALEN];
14	u16 eth_type;
15	u16 flags;
16
17	struct rcu_head rcu;
18};
19
20struct tcf_ife_info {
21	struct tc_action common;
22	struct tcf_ife_params __rcu *params;
23	/* list of metaids allowed */
24	struct list_head metalist;
25};
26#define to_ife(a) ((struct tcf_ife_info *)a)
27
28struct tcf_meta_info {
29	const struct tcf_meta_ops *ops;
30	void *metaval;
31	u16 metaid;
32	struct list_head metalist;
33};
34
35struct tcf_meta_ops {
36	u16 metaid; /*Maintainer provided ID */
37	u16 metatype; /*netlink attribute type (look at net/netlink.h) */
38	const char *name;
39	const char *synopsis;
40	struct list_head list;
41	int	(*check_presence)(struct sk_buff *, struct tcf_meta_info *);
42	int	(*encode)(struct sk_buff *, void *, struct tcf_meta_info *);
43	int	(*decode)(struct sk_buff *, void *, u16 len);
44	int	(*get)(struct sk_buff *skb, struct tcf_meta_info *mi);
45	int	(*alloc)(struct tcf_meta_info *, void *, gfp_t);
46	void	(*release)(struct tcf_meta_info *);
47	int	(*validate)(void *val, int len);
48	struct module	*owner;
49};
50
51#define MODULE_ALIAS_IFE_META(metan)   MODULE_ALIAS("ife-meta-" metan)
52
53int ife_get_meta_u32(struct sk_buff *skb, struct tcf_meta_info *mi);
54int ife_get_meta_u16(struct sk_buff *skb, struct tcf_meta_info *mi);
 
 
55int ife_alloc_meta_u32(struct tcf_meta_info *mi, void *metaval, gfp_t gfp);
56int ife_alloc_meta_u16(struct tcf_meta_info *mi, void *metaval, gfp_t gfp);
57int ife_check_meta_u32(u32 metaval, struct tcf_meta_info *mi);
58int ife_check_meta_u16(u16 metaval, struct tcf_meta_info *mi);
59int ife_encode_meta_u32(u32 metaval, void *skbdata, struct tcf_meta_info *mi);
60int ife_validate_meta_u32(void *val, int len);
61int ife_validate_meta_u16(void *val, int len);
62int ife_encode_meta_u16(u16 metaval, void *skbdata, struct tcf_meta_info *mi);
63void ife_release_meta_gen(struct tcf_meta_info *mi);
64int register_ife_op(struct tcf_meta_ops *mops);
65int unregister_ife_op(struct tcf_meta_ops *mops);
66
67#endif /* __NET_TC_IFE_H */