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1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _NFT_FIB_H_
3#define _NFT_FIB_H_
4
5#include <net/netfilter/nf_tables.h>
6
7struct nft_fib {
8 u8 dreg;
9 u8 result;
10 u32 flags;
11};
12
13extern const struct nla_policy nft_fib_policy[];
14
15static inline bool
16nft_fib_is_loopback(const struct sk_buff *skb, const struct net_device *in)
17{
18 return skb->pkt_type == PACKET_LOOPBACK || in->flags & IFF_LOOPBACK;
19}
20
21int nft_fib_dump(struct sk_buff *skb, const struct nft_expr *expr, bool reset);
22int nft_fib_init(const struct nft_ctx *ctx, const struct nft_expr *expr,
23 const struct nlattr * const tb[]);
24int nft_fib_validate(const struct nft_ctx *ctx, const struct nft_expr *expr,
25 const struct nft_data **data);
26
27
28void nft_fib4_eval_type(const struct nft_expr *expr, struct nft_regs *regs,
29 const struct nft_pktinfo *pkt);
30void nft_fib4_eval(const struct nft_expr *expr, struct nft_regs *regs,
31 const struct nft_pktinfo *pkt);
32
33void nft_fib6_eval_type(const struct nft_expr *expr, struct nft_regs *regs,
34 const struct nft_pktinfo *pkt);
35void nft_fib6_eval(const struct nft_expr *expr, struct nft_regs *regs,
36 const struct nft_pktinfo *pkt);
37
38void nft_fib_store_result(void *reg, const struct nft_fib *priv,
39 const struct net_device *dev);
40
41bool nft_fib_reduce(struct nft_regs_track *track,
42 const struct nft_expr *expr);
43#endif
44

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source code of linux/include/net/netfilter/nft_fib.h