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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
ef6980b6 JHS |
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 | ||
ef6980b6 | 10 | struct tcf_ife_info { |
ec0595cc | 11 | struct tc_action common; |
ef6980b6 JHS |
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 | }; | |
a85a970a | 19 | #define to_ife(a) ((struct tcf_ife_info *)a) |
ef6980b6 JHS |
20 | |
21 | struct tcf_meta_info { | |
22 | const struct tcf_meta_ops *ops; | |
23 | void *metaval; | |
24 | u16 metaid; | |
25 | struct list_head metalist; | |
26 | }; | |
27 | ||
28 | struct tcf_meta_ops { | |
29 | u16 metaid; /*Maintainer provided ID */ | |
30 | u16 metatype; /*netlink attribute type (look at net/netlink.h) */ | |
31 | const char *name; | |
32 | const char *synopsis; | |
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); | |
067a7cd0 | 38 | int (*alloc)(struct tcf_meta_info *, void *, gfp_t); |
ef6980b6 JHS |
39 | void (*release)(struct tcf_meta_info *); |
40 | int (*validate)(void *val, int len); | |
41 | struct module *owner; | |
42 | }; | |
43 | ||
44 | #define MODULE_ALIAS_IFE_META(metan) MODULE_ALIAS("ifemeta" __stringify_1(metan)) | |
45 | ||
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); | |
067a7cd0 WC |
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); | |
ef6980b6 | 50 | int ife_check_meta_u32(u32 metaval, struct tcf_meta_info *mi); |
6a5d58b6 | 51 | int ife_check_meta_u16(u16 metaval, struct tcf_meta_info *mi); |
ef6980b6 JHS |
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); | |
6a5d58b6 | 55 | int ife_encode_meta_u16(u16 metaval, void *skbdata, struct tcf_meta_info *mi); |
ef6980b6 JHS |
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); | |
59 | ||
60 | #endif /* __NET_TC_IFE_H */ |