130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#ifndef _UAPI__LINUX_NETLINK_H 230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define _UAPI__LINUX_NETLINK_H 330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#include <linux/kernel.h> 530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#include <linux/socket.h> /* for __kernel_sa_family_t */ 630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#include <linux/types.h> 730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NETLINK_ROUTE 0 /* Routing/device hook */ 930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NETLINK_UNUSED 1 /* Unused number */ 1030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NETLINK_USERSOCK 2 /* Reserved for user mode socket protocols */ 1130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NETLINK_FIREWALL 3 /* Unused number, formerly ip_queue */ 1230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NETLINK_SOCK_DIAG 4 /* socket monitoring */ 1330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NETLINK_NFLOG 5 /* netfilter/iptables ULOG */ 1430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NETLINK_XFRM 6 /* ipsec */ 1530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NETLINK_SELINUX 7 /* SELinux event notifications */ 1630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NETLINK_ISCSI 8 /* Open-iSCSI */ 1730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NETLINK_AUDIT 9 /* auditing */ 1830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NETLINK_FIB_LOOKUP 10 1930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NETLINK_CONNECTOR 11 2030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NETLINK_NETFILTER 12 /* netfilter subsystem */ 2130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NETLINK_IP6_FW 13 2230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NETLINK_DNRTMSG 14 /* DECnet routing messages */ 2330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NETLINK_KOBJECT_UEVENT 15 /* Kernel messages to userspace */ 2430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NETLINK_GENERIC 16 2530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* leave room for NETLINK_DM (DM Events) */ 2630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NETLINK_SCSITRANSPORT 18 /* SCSI Transports */ 2730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NETLINK_ECRYPTFS 19 2830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NETLINK_RDMA 20 2930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NETLINK_CRYPTO 21 /* Crypto layer */ 3030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 3130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NETLINK_INET_DIAG NETLINK_SOCK_DIAG 3230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 3330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define MAX_LINKS 32 3430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 3530692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct sockaddr_nl { 3630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __kernel_sa_family_t nl_family; /* AF_NETLINK */ 3730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned short nl_pad; /* zero */ 3830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 nl_pid; /* port ID */ 3930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 nl_groups; /* multicast groups mask */ 4030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 4130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 4230692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct nlmsghdr { 4330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 nlmsg_len; /* Length of message including header */ 4430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 nlmsg_type; /* Message content */ 4530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 nlmsg_flags; /* Additional flags */ 4630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 nlmsg_seq; /* Sequence number */ 4730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 nlmsg_pid; /* Sending process port ID */ 4830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 4930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 5030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* Flags values */ 5130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 5230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NLM_F_REQUEST 1 /* It is request message. */ 5330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NLM_F_MULTI 2 /* Multipart message, terminated by NLMSG_DONE */ 5430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NLM_F_ACK 4 /* Reply with ack, with zero or error code */ 5530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NLM_F_ECHO 8 /* Echo this request */ 5630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NLM_F_DUMP_INTR 16 /* Dump was inconsistent due to sequence change */ 5712e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define NLM_F_DUMP_FILTERED 32 /* Dump was filtered as requested */ 5830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 5930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* Modifiers to GET request */ 6030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NLM_F_ROOT 0x100 /* specify tree root */ 6130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NLM_F_MATCH 0x200 /* return all matching */ 6230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NLM_F_ATOMIC 0x400 /* atomic GET */ 6330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NLM_F_DUMP (NLM_F_ROOT|NLM_F_MATCH) 6430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 6530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* Modifiers to NEW request */ 6630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NLM_F_REPLACE 0x100 /* Override existing */ 6730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NLM_F_EXCL 0x200 /* Do not touch, if it exists */ 6830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NLM_F_CREATE 0x400 /* Create, if it does not exist */ 6930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NLM_F_APPEND 0x800 /* Add to end of list */ 7030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 7130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 7230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 4.4BSD ADD NLM_F_CREATE|NLM_F_EXCL 7330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 4.4BSD CHANGE NLM_F_REPLACE 7430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 7530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng True CHANGE NLM_F_CREATE|NLM_F_REPLACE 7630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng Append NLM_F_CREATE 7730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng Check NLM_F_EXCL 7830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 7930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 8030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NLMSG_ALIGNTO 4U 8130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NLMSG_ALIGN(len) ( ((len)+NLMSG_ALIGNTO-1) & ~(NLMSG_ALIGNTO-1) ) 8230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NLMSG_HDRLEN ((int) NLMSG_ALIGN(sizeof(struct nlmsghdr))) 8330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NLMSG_LENGTH(len) ((len) + NLMSG_HDRLEN) 8430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NLMSG_SPACE(len) NLMSG_ALIGN(NLMSG_LENGTH(len)) 8530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NLMSG_DATA(nlh) ((void*)(((char*)nlh) + NLMSG_LENGTH(0))) 8630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NLMSG_NEXT(nlh,len) ((len) -= NLMSG_ALIGN((nlh)->nlmsg_len), \ 8730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng (struct nlmsghdr*)(((char*)(nlh)) + NLMSG_ALIGN((nlh)->nlmsg_len))) 8830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NLMSG_OK(nlh,len) ((len) >= (int)sizeof(struct nlmsghdr) && \ 8930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng (nlh)->nlmsg_len >= sizeof(struct nlmsghdr) && \ 9030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng (nlh)->nlmsg_len <= (len)) 9130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NLMSG_PAYLOAD(nlh,len) ((nlh)->nlmsg_len - NLMSG_SPACE((len))) 9230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 9330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NLMSG_NOOP 0x1 /* Nothing. */ 9430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NLMSG_ERROR 0x2 /* Error */ 9530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NLMSG_DONE 0x3 /* End of a dump */ 9630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NLMSG_OVERRUN 0x4 /* Data lost */ 9730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 9830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NLMSG_MIN_TYPE 0x10 /* < 0x10: reserved control messages */ 9930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 10030692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct nlmsgerr { 10130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng int error; 10230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng struct nlmsghdr msg; 10330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 10430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 10512e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define NETLINK_ADD_MEMBERSHIP 1 10612e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define NETLINK_DROP_MEMBERSHIP 2 10712e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define NETLINK_PKTINFO 3 10812e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define NETLINK_BROADCAST_ERROR 4 10912e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define NETLINK_NO_ENOBUFS 5 11012e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define NETLINK_RX_RING 6 11112e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define NETLINK_TX_RING 7 11212e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define NETLINK_LISTEN_ALL_NSID 8 11312e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define NETLINK_LIST_MEMBERSHIPS 9 11412e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define NETLINK_CAP_ACK 10 11530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 11630692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct nl_pktinfo { 11730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 group; 11830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 11930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 12030692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct nl_mmap_req { 12130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int nm_block_size; 12230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int nm_block_nr; 12330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int nm_frame_size; 12430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int nm_frame_nr; 12530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 12630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 12730692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct nl_mmap_hdr { 12830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int nm_status; 12930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng unsigned int nm_len; 13030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 nm_group; 13130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng /* credentials */ 13230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 nm_pid; 13330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 nm_uid; 13430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 nm_gid; 13530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 13630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 13730692c65c4174412c90e79489e98ab85c1a7412fBen Chengenum nl_mmap_status { 13830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng NL_MMAP_STATUS_UNUSED, 13930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng NL_MMAP_STATUS_RESERVED, 14030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng NL_MMAP_STATUS_VALID, 14130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng NL_MMAP_STATUS_COPY, 14230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng NL_MMAP_STATUS_SKIP, 14330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 14430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 14530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NL_MMAP_MSG_ALIGNMENT NLMSG_ALIGNTO 14630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NL_MMAP_MSG_ALIGN(sz) __ALIGN_KERNEL(sz, NL_MMAP_MSG_ALIGNMENT) 14730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NL_MMAP_HDRLEN NL_MMAP_MSG_ALIGN(sizeof(struct nl_mmap_hdr)) 14830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 14930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NET_MAJOR 36 /* Major 36 is reserved for networking */ 15030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 15130692c65c4174412c90e79489e98ab85c1a7412fBen Chengenum { 15230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng NETLINK_UNCONNECTED = 0, 15330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng NETLINK_CONNECTED, 15430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 15530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 15630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 15730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * <------- NLA_HDRLEN ------> <-- NLA_ALIGN(payload)--> 15830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * +---------------------+- - -+- - - - - - - - - -+- - -+ 15930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * | Header | Pad | Payload | Pad | 16030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * | (struct nlattr) | ing | | ing | 16130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * +---------------------+- - -+- - - - - - - - - -+- - -+ 16230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * <-------------- nlattr->nla_len --------------> 16330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 16430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 16530692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct nlattr { 16630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 nla_len; 16730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 nla_type; 16830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 16930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 17030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 17130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * nla_type (16 bits) 17230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * +---+---+-------------------------------+ 17330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * | N | O | Attribute Type | 17430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * +---+---+-------------------------------+ 17530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * N := Carries nested attributes 17630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * O := Payload stored in network byte order 17730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 17830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Note: The N and O flag are mutually exclusive. 17930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 18030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NLA_F_NESTED (1 << 15) 18130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NLA_F_NET_BYTEORDER (1 << 14) 18230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NLA_TYPE_MASK ~(NLA_F_NESTED | NLA_F_NET_BYTEORDER) 18330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 18430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NLA_ALIGNTO 4 18530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NLA_ALIGN(len) (((len) + NLA_ALIGNTO - 1) & ~(NLA_ALIGNTO - 1)) 18630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define NLA_HDRLEN ((int) NLA_ALIGN(sizeof(struct nlattr))) 18730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 18830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 18930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#endif /* _UAPI__LINUX_NETLINK_H */ 190