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
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_encode_meta_u32(u32 metaval, void *skbdata, struct tcf_meta_info *mi);
54int ife_validate_meta_u32(void *val, int len);
55int ife_validate_meta_u16(void *val, int len);
56void ife_release_meta_gen(struct tcf_meta_info *mi);
57int register_ife_op(struct tcf_meta_ops *mops);
58int unregister_ife_op(struct tcf_meta_ops *mops);
59
60#endif /* __NET_TC_IFE_H */