Preview: nfnetlink_log.h
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/usr/include/linux/netfilter/nfnetlink_log.h
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _NFNETLINK_LOG_H
#define _NFNETLINK_LOG_H
/* This file describes the netlink messages (i.e. 'protocol packets'),
* and not any kind of function definitions. It is shared between kernel and
* userspace. Don't put kernel specific stuff in here */
#include <linux/types.h>
#include <linux/netfilter/nfnetlink.h>
enum nfulnl_msg_types {
NFULNL_MSG_PACKET, /* packet from kernel to userspace */
NFULNL_MSG_CONFIG, /* connect to a particular queue */
NFULNL_MSG_MAX
};
struct nfulnl_msg_packet_hdr {
__be16 hw_protocol; /* hw protocol (network order) */
__u8 hook; /* netfilter hook */
__u8 _pad;
};
struct nfulnl_msg_packet_hw {
__be16 hw_addrlen;
__u16 _pad;
__u8 hw_addr[8];
};
struct nfulnl_msg_packet_timestamp {
__aligned_be64 sec;
__aligned_be64 usec;
};
enum nfulnl_vlan_attr {
NFULA_VLAN_UNSPEC,
NFULA_VLAN_PROTO, /* __be16 skb vlan_proto */
NFULA_VLAN_TCI, /* __be16 skb htons(vlan_tci) */
__NFULA_VLAN_MAX,
};
#define NFULA_VLAN_MAX (__NFULA_VLAN_MAX + 1)
enum nfulnl_attr_type {
NFULA_UNSPEC,
NFULA_PACKET_HDR,
NFULA_MARK, /* __u32 nfmark */
NFULA_TIMESTAMP, /* nfulnl_msg_packet_timestamp */
NFULA_IFINDEX_INDEV, /* __u32 ifindex */
NFULA_IFINDEX_OUTDEV, /* __u32 ifindex */
NFULA_IFINDEX_PHYSINDEV, /* __u32 ifindex */
NFULA_IFINDEX_PHYSOUTDEV, /* __u32 ifindex */
NFULA_HWADDR, /* nfulnl_msg_packet_hw */
NFULA_PAYLOAD, /* opaque data payload */
NFULA_PREFIX, /* string prefix */
NFULA_UID, /* user id of socket */
NFULA_SEQ, /* instance-local sequence number */
NFULA_SEQ_GLOBAL, /* global sequence number */
NFULA_GID, /* group id of socket */
NFULA_HWTYPE, /* hardware type */
NFULA_HWHEADER, /* hardware header */
NFULA_HWLEN, /* hardware header length */
NFULA_CT, /* nfnetlink_conntrack.h */
NFULA_CT_INFO, /* enum ip_conntrack_info */
NFULA_VLAN, /* nested attribute: packet vlan info */
NFULA_L2HDR, /* full L2 header */
__NFULA_MAX
};
#define NFULA_MAX (__NFULA_MAX - 1)
enum nfulnl_msg_config_cmds {
NFULNL_CFG_CMD_NONE,
NFULNL_CFG_CMD_BIND,
NFULNL_CFG_CMD_UNBIND,
NFULNL_CFG_CMD_PF_BIND,
NFULNL_CFG_CMD_PF_UNBIND,
};
struct nfulnl_msg_config_cmd {
__u8 command; /* nfulnl_msg_config_cmds */
} __attribute__ ((packed));
struct nfulnl_msg_config_mode {
__be32 copy_range;
__u8 copy_mode;
__u8 _pad;
} __attribute__ ((packed));
enum nfulnl_attr_config {
NFULA_CFG_UNSPEC,
NFULA_CFG_CMD, /* nfulnl_msg_config_cmd */
NFULA_CFG_MODE, /* nfulnl_msg_config_mode */
NFULA_CFG_NLBUFSIZ, /* __u32 buffer size */
NFULA_CFG_TIMEOUT, /* __u32 in 1/100 s */
NFULA_CFG_QTHRESH, /* __u32 */
NFULA_CFG_FLAGS, /* __u16 */
__NFULA_CFG_MAX
};
#define NFULA_CFG_MAX (__NFULA_CFG_MAX -1)
#define NFULNL_COPY_NONE 0x00
#define NFULNL_COPY_META 0x01
#define NFULNL_COPY_PACKET 0x02
/* 0xff is reserved, don't use it for new copy modes. */
#define NFULNL_CFG_F_SEQ 0x0001
#define NFULNL_CFG_F_SEQ_GLOBAL 0x0002
#define NFULNL_CFG_F_CONNTRACK 0x0004
#endif /* _NFNETLINK_LOG_H */
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