The C and C++ Include Header Files

/usr/include/linux/netfilter/nfnetlink_log.h


$ cat -n /usr/include/linux/netfilter/nfnetlink_log.h

     1	/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
     2	#ifndef _NFNETLINK_LOG_H
     3	#define _NFNETLINK_LOG_H
     4	
     5	/* This file describes the netlink messages (i.e. 'protocol packets'),
     6	 * and not any kind of function definitions.  It is shared between kernel and
     7	 * userspace.  Don't put kernel specific stuff in here */
     8	
     9	#include <linux/types.h>
    10	#include <linux/netfilter/nfnetlink.h>
    11	
    12	enum nfulnl_msg_types {
    13		NFULNL_MSG_PACKET,		/* packet from kernel to userspace */
    14		NFULNL_MSG_CONFIG,		/* connect to a particular queue */
    15	
    16		NFULNL_MSG_MAX
    17	};
    18	
    19	struct nfulnl_msg_packet_hdr {
    20		__be16		hw_protocol;	/* hw protocol (network order) */
    21		__u8	hook;		/* netfilter hook */
    22		__u8	_pad;
    23	};
    24	
    25	struct nfulnl_msg_packet_hw {
    26		__be16		hw_addrlen;
    27		__u16	_pad;
    28		__u8	hw_addr[8];
    29	};
    30	
    31	struct nfulnl_msg_packet_timestamp {
    32		__aligned_be64	sec;
    33		__aligned_be64	usec;
    34	};
    35	
    36	enum nfulnl_vlan_attr {
    37		NFULA_VLAN_UNSPEC,
    38		NFULA_VLAN_PROTO,		/* __be16 skb vlan_proto */
    39		NFULA_VLAN_TCI,			/* __be16 skb htons(vlan_tci) */
    40		__NFULA_VLAN_MAX,
    41	};
    42	
    43	#define NFULA_VLAN_MAX (__NFULA_VLAN_MAX + 1)
    44	
    45	enum nfulnl_attr_type {
    46		NFULA_UNSPEC,
    47		NFULA_PACKET_HDR,
    48		NFULA_MARK,			/* __u32 nfmark */
    49		NFULA_TIMESTAMP,		/* nfulnl_msg_packet_timestamp */
    50		NFULA_IFINDEX_INDEV,		/* __u32 ifindex */
    51		NFULA_IFINDEX_OUTDEV,		/* __u32 ifindex */
    52		NFULA_IFINDEX_PHYSINDEV,	/* __u32 ifindex */
    53		NFULA_IFINDEX_PHYSOUTDEV,	/* __u32 ifindex */
    54		NFULA_HWADDR,			/* nfulnl_msg_packet_hw */
    55		NFULA_PAYLOAD,			/* opaque data payload */
    56		NFULA_PREFIX,			/* string prefix */
    57		NFULA_UID,			/* user id of socket */
    58		NFULA_SEQ,			/* instance-local sequence number */
    59		NFULA_SEQ_GLOBAL,		/* global sequence number */
    60		NFULA_GID,			/* group id of socket */
    61		NFULA_HWTYPE,			/* hardware type */
    62		NFULA_HWHEADER,			/* hardware header */
    63		NFULA_HWLEN,			/* hardware header length */
    64		NFULA_CT,                       /* nfnetlink_conntrack.h */
    65		NFULA_CT_INFO,                  /* enum ip_conntrack_info */
    66		NFULA_VLAN,			/* nested attribute: packet vlan info */
    67		NFULA_L2HDR,			/* full L2 header */
    68	
    69		__NFULA_MAX
    70	};
    71	#define NFULA_MAX (__NFULA_MAX - 1)
    72	
    73	enum nfulnl_msg_config_cmds {
    74		NFULNL_CFG_CMD_NONE,
    75		NFULNL_CFG_CMD_BIND,
    76		NFULNL_CFG_CMD_UNBIND,
    77		NFULNL_CFG_CMD_PF_BIND,
    78		NFULNL_CFG_CMD_PF_UNBIND,
    79	};
    80	
    81	struct nfulnl_msg_config_cmd {
    82		__u8	command;	/* nfulnl_msg_config_cmds */
    83	} __attribute__ ((packed));
    84	
    85	struct nfulnl_msg_config_mode {
    86		__be32		copy_range;
    87		__u8	copy_mode;
    88		__u8	_pad;
    89	} __attribute__ ((packed));
    90	
    91	enum nfulnl_attr_config {
    92		NFULA_CFG_UNSPEC,
    93		NFULA_CFG_CMD,			/* nfulnl_msg_config_cmd */
    94		NFULA_CFG_MODE,			/* nfulnl_msg_config_mode */
    95		NFULA_CFG_NLBUFSIZ,		/* __u32 buffer size */
    96		NFULA_CFG_TIMEOUT,		/* __u32 in 1/100 s */
    97		NFULA_CFG_QTHRESH,		/* __u32 */
    98		NFULA_CFG_FLAGS,		/* __u16 */
    99		__NFULA_CFG_MAX
   100	};
   101	#define NFULA_CFG_MAX (__NFULA_CFG_MAX -1)
   102	
   103	#define NFULNL_COPY_NONE	0x00
   104	#define NFULNL_COPY_META	0x01
   105	#define NFULNL_COPY_PACKET	0x02
   106	/* 0xff is reserved, don't use it for new copy modes. */
   107	
   108	#define NFULNL_CFG_F_SEQ	0x0001
   109	#define NFULNL_CFG_F_SEQ_GLOBAL	0x0002
   110	#define NFULNL_CFG_F_CONNTRACK	0x0004
   111	
   112	#endif /* _NFNETLINK_LOG_H */