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![Harald Welte](/assets/img/avatar_default.png)
As proposed by Andi Kleen, this is required esp. for x86_64 architecture, where 64bit code needs 8byte aligned 64bit data types, but 32bit userspace apps will only align to 4bytes. Signed-off-by: Harald Welte <laforge@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
88 lines
2.3 KiB
C
88 lines
2.3 KiB
C
#ifndef _NFNETLINK_LOG_H
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#define _NFNETLINK_LOG_H
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/* This file describes the netlink messages (i.e. 'protocol packets'),
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* and not any kind of function definitions. It is shared between kernel and
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* userspace. Don't put kernel specific stuff in here */
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#include <linux/types.h>
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#include <linux/netfilter/nfnetlink.h>
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enum nfulnl_msg_types {
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NFULNL_MSG_PACKET, /* packet from kernel to userspace */
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NFULNL_MSG_CONFIG, /* connect to a particular queue */
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NFULNL_MSG_MAX
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};
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struct nfulnl_msg_packet_hdr {
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u_int16_t hw_protocol; /* hw protocol (network order) */
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u_int8_t hook; /* netfilter hook */
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u_int8_t _pad;
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} __attribute__ ((packed));
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struct nfulnl_msg_packet_hw {
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u_int16_t hw_addrlen;
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u_int16_t _pad;
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u_int8_t hw_addr[8];
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} __attribute__ ((packed));
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struct nfulnl_msg_packet_timestamp {
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aligned_u64 sec;
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aligned_u64 usec;
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} __attribute__ ((packed));
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#define NFULNL_PREFIXLEN 30 /* just like old log target */
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enum nfulnl_attr_type {
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NFULA_UNSPEC,
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NFULA_PACKET_HDR,
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NFULA_MARK, /* u_int32_t nfmark */
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NFULA_TIMESTAMP, /* nfulnl_msg_packet_timestamp */
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NFULA_IFINDEX_INDEV, /* u_int32_t ifindex */
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NFULA_IFINDEX_OUTDEV, /* u_int32_t ifindex */
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NFULA_IFINDEX_PHYSINDEV, /* u_int32_t ifindex */
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NFULA_IFINDEX_PHYSOUTDEV, /* u_int32_t ifindex */
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NFULA_HWADDR, /* nfulnl_msg_packet_hw */
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NFULA_PAYLOAD, /* opaque data payload */
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NFULA_PREFIX, /* string prefix */
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NFULA_UID, /* user id of socket */
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__NFULA_MAX
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};
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#define NFULA_MAX (__NFULA_MAX - 1)
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enum nfulnl_msg_config_cmds {
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NFULNL_CFG_CMD_NONE,
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NFULNL_CFG_CMD_BIND,
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NFULNL_CFG_CMD_UNBIND,
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NFULNL_CFG_CMD_PF_BIND,
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NFULNL_CFG_CMD_PF_UNBIND,
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};
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struct nfulnl_msg_config_cmd {
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u_int8_t command; /* nfulnl_msg_config_cmds */
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} __attribute__ ((packed));
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struct nfulnl_msg_config_mode {
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u_int32_t copy_range;
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u_int8_t copy_mode;
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u_int8_t _pad;
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} __attribute__ ((packed));
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enum nfulnl_attr_config {
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NFULA_CFG_UNSPEC,
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NFULA_CFG_CMD, /* nfulnl_msg_config_cmd */
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NFULA_CFG_MODE, /* nfulnl_msg_config_mode */
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NFULA_CFG_NLBUFSIZ, /* u_int32_t buffer size */
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NFULA_CFG_TIMEOUT, /* u_int32_t in 1/100 s */
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NFULA_CFG_QTHRESH, /* u_int32_t */
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__NFULA_CFG_MAX
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};
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#define NFULA_CFG_MAX (__NFULA_CFG_MAX -1)
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#define NFULNL_COPY_NONE 0x00
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#define NFULNL_COPY_META 0x01
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#define NFULNL_COPY_PACKET 0x02
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#endif /* _NFNETLINK_LOG_H */
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