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| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
|---|---|
| 2 | #ifndef _NFT_META_H_ |
| 3 | #define _NFT_META_H_ |
| 4 | |
| 5 | #include <net/netfilter/nf_tables.h> |
| 6 | |
| 7 | struct nft_meta { |
| 8 | enum nft_meta_keys key:8; |
| 9 | u8 len; |
| 10 | union { |
| 11 | u8 dreg; |
| 12 | u8 sreg; |
| 13 | }; |
| 14 | }; |
| 15 | |
| 16 | extern const struct nla_policy nft_meta_policy[]; |
| 17 | |
| 18 | int nft_meta_get_init(const struct nft_ctx *ctx, |
| 19 | const struct nft_expr *expr, |
| 20 | const struct nlattr * const tb[]); |
| 21 | |
| 22 | int nft_meta_set_init(const struct nft_ctx *ctx, |
| 23 | const struct nft_expr *expr, |
| 24 | const struct nlattr * const tb[]); |
| 25 | |
| 26 | int nft_meta_get_dump(struct sk_buff *skb, |
| 27 | const struct nft_expr *expr, bool reset); |
| 28 | |
| 29 | int nft_meta_set_dump(struct sk_buff *skb, |
| 30 | const struct nft_expr *expr, bool reset); |
| 31 | |
| 32 | void nft_meta_get_eval(const struct nft_expr *expr, |
| 33 | struct nft_regs *regs, |
| 34 | const struct nft_pktinfo *pkt); |
| 35 | |
| 36 | void nft_meta_set_eval(const struct nft_expr *expr, |
| 37 | struct nft_regs *regs, |
| 38 | const struct nft_pktinfo *pkt); |
| 39 | |
| 40 | void nft_meta_set_destroy(const struct nft_ctx *ctx, |
| 41 | const struct nft_expr *expr); |
| 42 | |
| 43 | int nft_meta_set_validate(const struct nft_ctx *ctx, |
| 44 | const struct nft_expr *expr, |
| 45 | const struct nft_data **data); |
| 46 | |
| 47 | bool nft_meta_get_reduce(struct nft_regs_track *track, |
| 48 | const struct nft_expr *expr); |
| 49 | |
| 50 | struct nft_inner_tun_ctx; |
| 51 | void nft_meta_inner_eval(const struct nft_expr *expr, |
| 52 | struct nft_regs *regs, const struct nft_pktinfo *pkt, |
| 53 | struct nft_inner_tun_ctx *tun_ctx); |
| 54 | |
| 55 | #endif |
| 56 |
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