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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
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7d34aa3e03
Add a 'reset' flag just like with nft_object_ops::dump. This will be useful to reset "anonymous stateful objects", e.g. simple rule counters. No functional change intended. Signed-off-by: Phil Sutter <phil@nwl.cc> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
55 lines
1.4 KiB
C
55 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _NFT_META_H_
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#define _NFT_META_H_
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#include <net/netfilter/nf_tables.h>
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struct nft_meta {
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enum nft_meta_keys key:8;
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u8 len;
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union {
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u8 dreg;
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u8 sreg;
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};
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};
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extern const struct nla_policy nft_meta_policy[];
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int nft_meta_get_init(const struct nft_ctx *ctx,
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const struct nft_expr *expr,
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const struct nlattr * const tb[]);
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int nft_meta_set_init(const struct nft_ctx *ctx,
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const struct nft_expr *expr,
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const struct nlattr * const tb[]);
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int nft_meta_get_dump(struct sk_buff *skb,
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const struct nft_expr *expr, bool reset);
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int nft_meta_set_dump(struct sk_buff *skb,
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const struct nft_expr *expr, bool reset);
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void nft_meta_get_eval(const struct nft_expr *expr,
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struct nft_regs *regs,
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const struct nft_pktinfo *pkt);
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void nft_meta_set_eval(const struct nft_expr *expr,
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struct nft_regs *regs,
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const struct nft_pktinfo *pkt);
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void nft_meta_set_destroy(const struct nft_ctx *ctx,
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const struct nft_expr *expr);
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int nft_meta_set_validate(const struct nft_ctx *ctx,
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const struct nft_expr *expr,
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const struct nft_data **data);
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bool nft_meta_get_reduce(struct nft_regs_track *track,
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const struct nft_expr *expr);
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struct nft_inner_tun_ctx;
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void nft_meta_inner_eval(const struct nft_expr *expr,
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struct nft_regs *regs, const struct nft_pktinfo *pkt,
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struct nft_inner_tun_ctx *tun_ctx);
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#endif
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