tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
9struct tcf_ife_info {
10 struct tc_action common;
11 u8 eth_dst[ETH_ALEN];
12 u8 eth_src[ETH_ALEN];
13 u16 eth_type;
14 u16 flags;
15 /* list of metaids allowed */
16 struct list_head metalist;
17};
18#define to_ife(a) ((struct tcf_ife_info *)a)
19
20struct tcf_meta_info {
21 const struct tcf_meta_ops *ops;
22 void *metaval;
23 u16 metaid;
24 struct list_head metalist;
25};
26
27struct tcf_meta_ops {
28 u16 metaid; /*Maintainer provided ID */
29 u16 metatype; /*netlink attribute type (look at net/netlink.h) */
30 const char *name;
31 const char *synopsis;
32 struct list_head list;
33 int (*check_presence)(struct sk_buff *, struct tcf_meta_info *);
34 int (*encode)(struct sk_buff *, void *, struct tcf_meta_info *);
35 int (*decode)(struct sk_buff *, void *, u16 len);
36 int (*get)(struct sk_buff *skb, struct tcf_meta_info *mi);
37 int (*alloc)(struct tcf_meta_info *, void *, gfp_t);
38 void (*release)(struct tcf_meta_info *);
39 int (*validate)(void *val, int len);
40 struct module *owner;
41};
42
43#define MODULE_ALIAS_IFE_META(metan) MODULE_ALIAS("ifemeta" __stringify_1(metan))
44
45int ife_get_meta_u32(struct sk_buff *skb, struct tcf_meta_info *mi);
46int ife_get_meta_u16(struct sk_buff *skb, struct tcf_meta_info *mi);
47int ife_alloc_meta_u32(struct tcf_meta_info *mi, void *metaval, gfp_t gfp);
48int ife_alloc_meta_u16(struct tcf_meta_info *mi, void *metaval, gfp_t gfp);
49int ife_check_meta_u32(u32 metaval, struct tcf_meta_info *mi);
50int ife_check_meta_u16(u16 metaval, struct tcf_meta_info *mi);
51int ife_encode_meta_u32(u32 metaval, void *skbdata, struct tcf_meta_info *mi);
52int ife_validate_meta_u32(void *val, int len);
53int ife_validate_meta_u16(void *val, int len);
54int ife_encode_meta_u16(u16 metaval, void *skbdata, struct tcf_meta_info *mi);
55void ife_release_meta_gen(struct tcf_meta_info *mi);
56int register_ife_op(struct tcf_meta_ops *mops);
57int unregister_ife_op(struct tcf_meta_ops *mops);
58
59#endif /* __NET_TC_IFE_H */