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1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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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 | |
9 | struct module; |
10 | |
11 | struct tcf_ife_params { |
12 | u8 eth_dst[ETH_ALEN]; |
13 | u8 eth_src[ETH_ALEN]; |
14 | u16 eth_type; |
15 | u16 flags; |
16 | |
17 | struct rcu_head rcu; |
18 | }; |
19 | |
20 | struct tcf_ife_info { |
21 | struct tc_action common; |
22 | struct tcf_ife_params __rcu *params; |
23 | /* list of metaids allowed */ |
24 | struct list_head metalist; |
25 | }; |
26 | #define to_ife(a) ((struct tcf_ife_info *)a) |
27 | |
28 | struct tcf_meta_info { |
29 | const struct tcf_meta_ops *ops; |
30 | void *metaval; |
31 | u16 metaid; |
32 | struct list_head metalist; |
33 | }; |
34 | |
35 | struct tcf_meta_ops { |
36 | u16 metaid; /*Maintainer provided ID */ |
37 | u16 metatype; /*netlink attribute type (look at net/netlink.h) */ |
38 | const char *name; |
39 | const char *synopsis; |
40 | struct list_head list; |
41 | int (*check_presence)(struct sk_buff *, struct tcf_meta_info *); |
42 | int (*encode)(struct sk_buff *, void *, struct tcf_meta_info *); |
43 | int (*decode)(struct sk_buff *, void *, u16 len); |
44 | int (*get)(struct sk_buff *skb, struct tcf_meta_info *mi); |
45 | int (*alloc)(struct tcf_meta_info *, void *, gfp_t); |
46 | void (*release)(struct tcf_meta_info *); |
47 | int (*validate)(void *val, int len); |
48 | struct module *owner; |
49 | }; |
50 | |
51 | #define MODULE_ALIAS_IFE_META(metan) MODULE_ALIAS("ife-meta-" metan) |
52 | |
53 | int ife_get_meta_u32(struct sk_buff *skb, struct tcf_meta_info *mi); |
54 | int ife_get_meta_u16(struct sk_buff *skb, struct tcf_meta_info *mi); |
55 | int ife_alloc_meta_u32(struct tcf_meta_info *mi, void *metaval, gfp_t gfp); |
56 | int ife_alloc_meta_u16(struct tcf_meta_info *mi, void *metaval, gfp_t gfp); |
57 | int ife_check_meta_u32(u32 metaval, struct tcf_meta_info *mi); |
58 | int ife_check_meta_u16(u16 metaval, struct tcf_meta_info *mi); |
59 | int ife_encode_meta_u32(u32 metaval, void *skbdata, struct tcf_meta_info *mi); |
60 | int ife_validate_meta_u32(void *val, int len); |
61 | int ife_validate_meta_u16(void *val, int len); |
62 | int ife_encode_meta_u16(u16 metaval, void *skbdata, struct tcf_meta_info *mi); |
63 | void ife_release_meta_gen(struct tcf_meta_info *mi); |
64 | int register_ife_op(struct tcf_meta_ops *mops); |
65 | int unregister_ife_op(struct tcf_meta_ops *mops); |
66 | |
67 | #endif /* __NET_TC_IFE_H */ |
68 |
Warning: This file is not a C or C++ file. It does not have highlighting.