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>
10 struct tcf_ife_params {
20 struct tc_action common;
21 struct tcf_ife_params __rcu *params;
22 /* list of metaids allowed */
23 struct list_head metalist;
25 #define to_ife(a) ((struct tcf_ife_info *)a)
27 struct tcf_meta_info {
28 const struct tcf_meta_ops *ops;
31 struct list_head metalist;
35 u16 metaid; /*Maintainer provided ID */
36 u16 metatype; /*netlink attribute type (look at net/netlink.h) */
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);
50 #define MODULE_ALIAS_IFE_META(metan) MODULE_ALIAS("ife-meta-" metan)
52 int ife_get_meta_u32(struct sk_buff *skb, struct tcf_meta_info *mi);
53 int ife_get_meta_u16(struct sk_buff *skb, struct tcf_meta_info *mi);
54 int ife_alloc_meta_u32(struct tcf_meta_info *mi, void *metaval, gfp_t gfp);
55 int ife_alloc_meta_u16(struct tcf_meta_info *mi, void *metaval, gfp_t gfp);
56 int ife_check_meta_u32(u32 metaval, struct tcf_meta_info *mi);
57 int ife_check_meta_u16(u16 metaval, struct tcf_meta_info *mi);
58 int ife_encode_meta_u32(u32 metaval, void *skbdata, struct tcf_meta_info *mi);
59 int ife_validate_meta_u32(void *val, int len);
60 int ife_validate_meta_u16(void *val, int len);
61 int ife_encode_meta_u16(u16 metaval, void *skbdata, struct tcf_meta_info *mi);
62 void ife_release_meta_gen(struct tcf_meta_info *mi);
63 int register_ife_op(struct tcf_meta_ops *mops);
64 int unregister_ife_op(struct tcf_meta_ops *mops);
66 #endif /* __NET_TC_IFE_H */