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