1 /* SPDX-License-Identifier: GPL-2.0 */
5 #include <net/act_api.h>
6 #include <linux/etherdevice.h>
7 #include <linux/rtnetlink.h>
8 #include <linux/module.h>
11 struct tc_action common;
16 /* list of metaids allowed */
17 struct list_head metalist;
19 #define to_ife(a) ((struct tcf_ife_info *)a)
21 struct tcf_meta_info {
22 const struct tcf_meta_ops *ops;
25 struct list_head metalist;
29 u16 metaid; /*Maintainer provided ID */
30 u16 metatype; /*netlink attribute type (look at net/netlink.h) */
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);
44 #define MODULE_ALIAS_IFE_META(metan) MODULE_ALIAS("ifemeta" __stringify_1(metan))
46 int ife_get_meta_u32(struct sk_buff *skb, struct tcf_meta_info *mi);
47 int ife_get_meta_u16(struct sk_buff *skb, struct tcf_meta_info *mi);
48 int ife_alloc_meta_u32(struct tcf_meta_info *mi, void *metaval, gfp_t gfp);
49 int ife_alloc_meta_u16(struct tcf_meta_info *mi, void *metaval, gfp_t gfp);
50 int ife_check_meta_u32(u32 metaval, struct tcf_meta_info *mi);
51 int ife_check_meta_u16(u16 metaval, struct tcf_meta_info *mi);
52 int ife_encode_meta_u32(u32 metaval, void *skbdata, struct tcf_meta_info *mi);
53 int ife_validate_meta_u32(void *val, int len);
54 int ife_validate_meta_u16(void *val, int len);
55 int ife_encode_meta_u16(u16 metaval, void *skbdata, struct tcf_meta_info *mi);
56 void ife_release_meta_gen(struct tcf_meta_info *mi);
57 int register_ife_op(struct tcf_meta_ops *mops);
58 int unregister_ife_op(struct tcf_meta_ops *mops);
60 #endif /* __NET_TC_IFE_H */