1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
/* SPDX-License-Identifier: GPL-2.0 */
#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>
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_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_check_meta_u16(u16 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);
int ife_encode_meta_u16(u16 metaval, void *skbdata, struct tcf_meta_info *mi);
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 */
|
