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ef6980b6 JHS |
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 | |
10 | struct tcf_ife_info { | |
11 | struct tcf_common 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) \ | |
20 | container_of(a->priv, struct tcf_ife_info, common) | |
21 | ||
22 | struct tcf_meta_info { | |
23 | const struct tcf_meta_ops *ops; | |
24 | void *metaval; | |
25 | u16 metaid; | |
26 | struct list_head metalist; | |
27 | }; | |
28 | ||
29 | struct tcf_meta_ops { | |
30 | u16 metaid; /*Maintainer provided ID */ | |
31 | u16 metatype; /*netlink attribute type (look at net/netlink.h) */ | |
32 | const char *name; | |
33 | const char *synopsis; | |
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 *); | |
40 | void (*release)(struct tcf_meta_info *); | |
41 | int (*validate)(void *val, int len); | |
42 | struct module *owner; | |
43 | }; | |
44 | ||
45 | #define MODULE_ALIAS_IFE_META(metan) MODULE_ALIAS("ifemeta" __stringify_1(metan)) | |
46 | ||
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, | |
50 | const void *dval); | |
51 | int ife_alloc_meta_u32(struct tcf_meta_info *mi, void *metaval); | |
52 | int ife_alloc_meta_u16(struct tcf_meta_info *mi, void *metaval); | |
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); | |
60 | ||
61 | #endif /* __NET_TC_IFE_H */ |