4 #include <net/act_api.h>
5 #include <linux/etherdevice.h>
6 #include <linux/rtnetlink.h>
7 #include <linux/module.h>
9 #define IFE_METAHDRLEN 2
11 struct tcf_common common;
16 /* list of metaids allowed */
17 struct list_head metalist;
20 container_of(a->priv, struct tcf_ife_info, common)
22 struct tcf_meta_info {
23 const struct tcf_meta_ops *ops;
26 struct list_head metalist;
30 u16 metaid; /*Maintainer provided ID */
31 u16 metatype; /*netlink attribute type (look at net/netlink.h) */
34 struct list_head list;
35 int (*check_presence)(struct sk_buff *, struct tcf_meta_info *);
36 int (*encode)(struct sk_buff *, void *, struct tcf_meta_info *);
37 int (*decode)(struct sk_buff *, void *, u16 len);
38 int (*get)(struct sk_buff *skb, struct tcf_meta_info *mi);
39 int (*alloc)(struct tcf_meta_info *, void *, gfp_t);
40 void (*release)(struct tcf_meta_info *);
41 int (*validate)(void *val, int len);
45 #define MODULE_ALIAS_IFE_META(metan) MODULE_ALIAS("ifemeta" __stringify_1(metan))
47 int ife_get_meta_u32(struct sk_buff *skb, struct tcf_meta_info *mi);
48 int ife_get_meta_u16(struct sk_buff *skb, struct tcf_meta_info *mi);
49 int ife_tlv_meta_encode(void *skbdata, u16 attrtype, u16 dlen,
51 int ife_alloc_meta_u32(struct tcf_meta_info *mi, void *metaval, gfp_t gfp);
52 int ife_alloc_meta_u16(struct tcf_meta_info *mi, void *metaval, gfp_t gfp);
53 int ife_check_meta_u32(u32 metaval, struct tcf_meta_info *mi);
54 int ife_encode_meta_u32(u32 metaval, void *skbdata, struct tcf_meta_info *mi);
55 int ife_validate_meta_u32(void *val, int len);
56 int ife_validate_meta_u16(void *val, int len);
57 void ife_release_meta_gen(struct tcf_meta_info *mi);
58 int register_ife_op(struct tcf_meta_ops *mops);
59 int unregister_ife_op(struct tcf_meta_ops *mops);
61 #endif /* __NET_TC_IFE_H */