1 // SPDX-License-Identifier: GPL-2.0-only
2 #if IS_ENABLED(CONFIG_NFT_CT)
3 #include <linux/netfilter/nf_tables.h>
4 #include <net/netfilter/nf_tables_core.h>
5 #include <net/netfilter/nf_conntrack.h>
7 void nft_ct_get_fast_eval(const struct nft_expr *expr,
9 const struct nft_pktinfo *pkt)
11 const struct nft_ct *priv = nft_expr_priv(expr);
12 u32 *dest = ®s->data[priv->dreg];
13 enum ip_conntrack_info ctinfo;
14 const struct nf_conn *ct;
17 ct = nf_ct_get(pkt->skb, &ctinfo);
22 state = NF_CT_STATE_BIT(ctinfo);
23 else if (ctinfo == IP_CT_UNTRACKED)
24 state = NF_CT_STATE_UNTRACKED_BIT;
26 state = NF_CT_STATE_INVALID_BIT;
34 regs->verdict.code = NFT_BREAK;
39 case NFT_CT_DIRECTION:
40 nft_reg_store8(dest, CTINFO2DIR(ctinfo));
45 #ifdef CONFIG_NF_CONNTRACK_MARK
50 #ifdef CONFIG_NF_CONNTRACK_SECMARK
57 regs->verdict.code = NFT_BREAK;
61 EXPORT_SYMBOL_GPL(nft_ct_get_fast_eval);