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: nfnetlink_queue.h

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _NFNETLINK_QUEUE_H
#define _NFNETLINK_QUEUE_H

#include <linux/types.h>
#include <linux/netfilter/nfnetlink.h>

enum nfqnl_msg_types {
	NFQNL_MSG_PACKET,		/* packet from kernel to userspace */
	NFQNL_MSG_VERDICT,		/* verdict from userspace to kernel */
	NFQNL_MSG_CONFIG,		/* connect to a particular queue */
	NFQNL_MSG_VERDICT_BATCH,	/* batchv from userspace to kernel */

NFQNL_MSG_MAX
};

struct nfqnl_msg_packet_hdr {
	__be32		packet_id;	/* unique ID of packet in queue */
	__be16		hw_protocol;	/* hw protocol (network order) */
	__u8	hook;		/* netfilter hook */
} __attribute__ ((packed));

struct nfqnl_msg_packet_hw {
	__be16		hw_addrlen;
	__u16	_pad;
	__u8	hw_addr[8];
};

struct nfqnl_msg_packet_timestamp {
	__aligned_be64	sec;
	__aligned_be64	usec;
};

enum nfqnl_vlan_attr {
	NFQA_VLAN_UNSPEC,
	NFQA_VLAN_PROTO,		/* __be16 skb vlan_proto */
	NFQA_VLAN_TCI,			/* __be16 skb htons(vlan_tci) */
	__NFQA_VLAN_MAX,
};
#define NFQA_VLAN_MAX (__NFQA_VLAN_MAX - 1)

enum nfqnl_attr_type {
	NFQA_UNSPEC,
	NFQA_PACKET_HDR,
	NFQA_VERDICT_HDR,		/* nfqnl_msg_verdict_hrd */
	NFQA_MARK,			/* __u32 nfmark */
	NFQA_TIMESTAMP,			/* nfqnl_msg_packet_timestamp */
	NFQA_IFINDEX_INDEV,		/* __u32 ifindex */
	NFQA_IFINDEX_OUTDEV,		/* __u32 ifindex */
	NFQA_IFINDEX_PHYSINDEV,		/* __u32 ifindex */
	NFQA_IFINDEX_PHYSOUTDEV,	/* __u32 ifindex */
	NFQA_HWADDR,			/* nfqnl_msg_packet_hw */
	NFQA_PAYLOAD,			/* opaque data payload */
	NFQA_CT,			/* nfnetlink_conntrack.h */
	NFQA_CT_INFO,			/* enum ip_conntrack_info */
	NFQA_CAP_LEN,			/* __u32 length of captured packet */
	NFQA_SKB_INFO,			/* __u32 skb meta information */
	NFQA_EXP,			/* nfnetlink_conntrack.h */
	NFQA_UID,			/* __u32 sk uid */
	NFQA_GID,			/* __u32 sk gid */
	NFQA_SECCTX,			/* security context string */
	NFQA_VLAN,			/* nested attribute: packet vlan info */
	NFQA_L2HDR,			/* full L2 header */

__NFQA_MAX
};
#define NFQA_MAX (__NFQA_MAX - 1)

struct nfqnl_msg_verdict_hdr {
	__be32 verdict;
	__be32 id;
};

enum nfqnl_msg_config_cmds {
	NFQNL_CFG_CMD_NONE,
	NFQNL_CFG_CMD_BIND,
	NFQNL_CFG_CMD_UNBIND,
	NFQNL_CFG_CMD_PF_BIND,
	NFQNL_CFG_CMD_PF_UNBIND,
};

struct nfqnl_msg_config_cmd {
	__u8	command;	/* nfqnl_msg_config_cmds */
	__u8	_pad;
	__be16		pf;		/* AF_xxx for PF_[UN]BIND */
};

enum nfqnl_config_mode {
	NFQNL_COPY_NONE,
	NFQNL_COPY_META,
	NFQNL_COPY_PACKET,
};

struct nfqnl_msg_config_params {
	__be32		copy_range;
	__u8	copy_mode;	/* enum nfqnl_config_mode */
} __attribute__ ((packed));

enum nfqnl_attr_config {
	NFQA_CFG_UNSPEC,
	NFQA_CFG_CMD,			/* nfqnl_msg_config_cmd */
	NFQA_CFG_PARAMS,		/* nfqnl_msg_config_params */
	NFQA_CFG_QUEUE_MAXLEN,		/* __u32 */
	NFQA_CFG_MASK,			/* identify which flags to change */
	NFQA_CFG_FLAGS,			/* value of these flags (__u32) */
	__NFQA_CFG_MAX
};
#define NFQA_CFG_MAX (__NFQA_CFG_MAX-1)

/* Flags for NFQA_CFG_FLAGS */
#define NFQA_CFG_F_FAIL_OPEN			(1 << 0)
#define NFQA_CFG_F_CONNTRACK			(1 << 1)
#define NFQA_CFG_F_GSO				(1 << 2)
#define NFQA_CFG_F_UID_GID			(1 << 3)
#define NFQA_CFG_F_SECCTX			(1 << 4)
#define NFQA_CFG_F_MAX				(1 << 5)

/* flags for NFQA_SKB_INFO */
/* packet appears to have wrong checksums, but they are ok */
#define NFQA_SKB_CSUMNOTREADY (1 << 0)
/* packet is GSO (i.e., exceeds device mtu) */
#define NFQA_SKB_GSO (1 << 1)
/* csum not validated (incoming device doesn't support hw checksum, etc.) */
#define NFQA_SKB_CSUM_NOTVERIFIED (1 << 2)

#endif /* _NFNETLINK_QUEUE_H */

NAME	TYPE	LAST MODIFIED	SIZE	OWNER / GROUP	PERMISSIONS	ACTION
..
nf_conntrack_common.h	f!le	2024-12-18 17:19	4.48 KB	root / root	-rw-r--r--
nf_conntrack_ftp.h	f!le	2024-12-18 17:19	438 B	root / root	-rw-r--r--
nf_conntrack_sctp.h	f!le	2024-12-18 17:19	597 B	root / root	-rw-r--r--
nf_conntrack_tcp.h	f!le	2024-12-18 17:19	1.38 KB	root / root	-rw-r--r--
nf_conntrack_tuple_common...-.	f!le	2024-12-18 17:19	896 B	root / root	-rw-r--r--
nf_log.h	f!le	2024-12-18 17:19	538 B	root / root	-rw-r--r--
nf_nat.h	f!le	2024-12-18 17:19	1.55 KB	root / root	-rw-r--r--
nf_synproxy.h	f!le	2024-12-18 17:19	576 B	root / root	-rw-r--r--
nf_tables.h	f!le	2024-12-18 17:19	55.11 KB	root / root	-rw-r--r--
nf_tables_compat.h	f!le	2024-12-18 17:19	731 B	root / root	-rw-r--r--
nfnetlink.h	f!le	2024-12-18 17:19	2.4 KB	root / root	-rw-r--r--
nfnetlink_acct.h	f!le	2024-12-18 17:19	900 B	root / root	-rw-r--r--
nfnetlink_compat.h	f!le	2024-12-18 17:19	2.39 KB	root / root	-rw-r--r--
nfnetlink_conntrack.h	f!le	2024-12-18 17:19	6.04 KB	root / root	-rw-r--r--
nfnetlink_cthelper.h	f!le	2024-12-18 17:19	1.18 KB	root / root	-rw-r--r--
nfnetlink_cttimeout.h	f!le	2024-12-18 17:19	2.88 KB	root / root	-rw-r--r--
nfnetlink_hook.h	f!le	2024-12-18 17:19	1.65 KB	root / root	-rw-r--r--
nfnetlink_log.h	f!le	2024-12-18 17:19	3.03 KB	root / root	-rw-r--r--
nfnetlink_osf.h	f!le	2024-12-18 17:19	2.6 KB	root / root	-rw-r--r--
nfnetlink_queue.h	f!le	2024-12-18 17:19	3.42 KB	root / root	-rw-r--r--
x_tables.h	f!le	2024-12-18 17:19	4.36 KB	root / root	-rw-r--r--
xt_AUDIT.h	f!le	2024-12-18 17:19	718 B	root / root	-rw-r--r--
xt_CHECKSUM.h	f!le	2024-12-18 17:19	563 B	root / root	-rw-r--r--
xt_CLASSIFY.h	f!le	2024-12-18 17:19	217 B	root / root	-rw-r--r--
xt_CONNMARK.h	f!le	2024-12-18 17:19	199 B	root / root	-rw-r--r--
xt_CONNSECMARK.h	f!le	2024-12-18 17:19	301 B	root / root	-rw-r--r--
xt_CT.h	f!le	2024-12-18 17:19	853 B	root / root	-rw-r--r--
xt_DSCP.h	f!le	2024-12-18 17:19	697 B	root / root	-rw-r--r--
xt_HMARK.h	f!le	2024-12-18 17:19	933 B	root / root	-rw-r--r--
xt_IDLETIMER.h	f!le	2024-12-18 17:19	1001 B	root / root	-rw-r--r--
xt_LED.h	f!le	2024-12-18 17:19	470 B	root / root	-rw-r--r--
xt_LOG.h	f!le	2024-12-18 17:19	642 B	root / root	-rw-r--r--
xt_MARK.h	f!le	2024-12-18 17:19	184 B	root / root	-rw-r--r--
xt_NFLOG.h	f!le	2024-12-18 17:19	556 B	root / root	-rw-r--r--
xt_NFQUEUE.h	f!le	2024-12-18 17:19	779 B	root / root	-rw-r--r--
xt_RATEEST.h	f!le	2024-12-18 17:19	390 B	root / root	-rw-r--r--
xt_SECMARK.h	f!le	2024-12-18 17:19	648 B	root / root	-rw-r--r--
xt_SYNPROXY.h	f!le	2024-12-18 17:19	498 B	root / root	-rw-r--r--
xt_TCPMSS.h	f!le	2024-12-18 17:19	235 B	root / root	-rw-r--r--
xt_TCPOPTSTRIP.h	f!le	2024-12-18 17:19	407 B	root / root	-rw-r--r--
xt_TEE.h	f!le	2024-12-18 17:19	333 B	root / root	-rw-r--r--
xt_TPROXY.h	f!le	2024-12-18 17:19	575 B	root / root	-rw-r--r--
xt_addrtype.h	f!le	2024-12-18 17:19	1.06 KB	root / root	-rw-r--r--
xt_bpf.h	f!le	2024-12-18 17:19	935 B	root / root	-rw-r--r--
xt_cgroup.h	f!le	2024-12-18 17:19	740 B	root / root	-rw-r--r--
xt_cluster.h	f!le	2024-12-18 17:19	374 B	root / root	-rw-r--r--
xt_comment.h	f!le	2024-12-18 17:19	230 B	root / root	-rw-r--r--
xt_connbytes.h	f!le	2024-12-18 17:19	577 B	root / root	-rw-r--r--
xt_connlabel.h	f!le	2024-12-18 17:19	360 B	root / root	-rw-r--r--
xt_connlimit.h	f!le	2024-12-18 17:19	575 B	root / root	-rw-r--r--
xt_connmark.h	f!le	2024-12-18 17:19	901 B	root / root	-rw-r--r--
xt_conntrack.h	f!le	2024-12-18 17:19	2.5 KB	root / root	-rw-r--r--
xt_cpu.h	f!le	2024-12-18 17:19	199 B	root / root	-rw-r--r--
xt_dccp.h	f!le	2024-12-18 17:19	483 B	root / root	-rw-r--r--
xt_devgroup.h	f!le	2024-12-18 17:19	429 B	root / root	-rw-r--r--
xt_dscp.h	f!le	2024-12-18 17:19	701 B	root / root	-rw-r--r--
xt_ecn.h	f!le	2024-12-18 17:19	736 B	root / root	-rw-r--r--
xt_esp.h	f!le	2024-12-18 17:19	418 B	root / root	-rw-r--r--
xt_hashlimit.h	f!le	2024-12-18 17:19	3.18 KB	root / root	-rw-r--r--
xt_helper.h	f!le	2024-12-18 17:19	188 B	root / root	-rw-r--r--
xt_ipcomp.h	f!le	2024-12-18 17:19	485 B	root / root	-rw-r--r--
xt_iprange.h	f!le	2024-12-18 17:19	581 B	root / root	-rw-r--r--
xt_ipvs.h	f!le	2024-12-18 17:19	680 B	root / root	-rw-r--r--
xt_l2tp.h	f!le	2024-12-18 17:19	739 B	root / root	-rw-r--r--
xt_length.h	f!le	2024-12-18 17:19	221 B	root / root	-rw-r--r--
xt_limit.h	f!le	2024-12-18 17:19	673 B	root / root	-rw-r--r--
xt_mac.h	f!le	2024-12-18 17:19	227 B	root / root	-rw-r--r--
xt_mark.h	f!le	2024-12-18 17:19	260 B	root / root	-rw-r--r--
xt_multiport.h	f!le	2024-12-18 17:19	721 B	root / root	-rw-r--r--
xt_nfacct.h	f!le	2024-12-18 17:19	421 B	root / root	-rw-r--r--
xt_osf.h	f!le	2024-12-18 17:19	1.66 KB	root / root	-rw-r--r--
xt_owner.h	f!le	2024-12-18 17:19	535 B	root / root	-rw-r--r--
xt_physdev.h	f!le	2024-12-18 17:19	553 B	root / root	-rw-r--r--
xt_pkttype.h	f!le	2024-12-18 17:19	188 B	root / root	-rw-r--r--
xt_policy.h	f!le	2024-12-18 17:19	1.03 KB	root / root	-rw-r--r--
xt_quota.h	f!le	2024-12-18 17:19	400 B	root / root	-rw-r--r--
xt_rateest.h	f!le	2024-12-18 17:19	859 B	root / root	-rw-r--r--
xt_realm.h	f!le	2024-12-18 17:19	220 B	root / root	-rw-r--r--
xt_recent.h	f!le	2024-12-18 17:19	1.03 KB	root / root	-rw-r--r--
xt_rpfilter.h	f!le	2024-12-18 17:19	320 B	root / root	-rw-r--r--
xt_sctp.h	f!le	2024-12-18 17:19	2.27 KB	root / root	-rw-r--r--
xt_set.h	f!le	2024-12-18 17:19	1.78 KB	root / root	-rw-r--r--
xt_socket.h	f!le	2024-12-18 17:19	640 B	root / root	-rw-r--r--
xt_state.h	f!le	2024-12-18 17:19	331 B	root / root	-rw-r--r--
xt_statistic.h	f!le	2024-12-18 17:19	716 B	root / root	-rw-r--r--
xt_string.h	f!le	2024-12-18 17:19	664 B	root / root	-rw-r--r--
xt_tcpmss.h	f!le	2024-12-18 17:19	253 B	root / root	-rw-r--r--
xt_tcpudp.h	f!le	2024-12-18 17:19	1.22 KB	root / root	-rw-r--r--
xt_time.h	f!le	2024-12-18 17:19	730 B	root / root	-rw-r--r--
xt_u32.h	f!le	2024-12-18 17:19	752 B	root / root	-rw-r--r--