1d9ec20e66310e5fa84a1de1c3303748f6b690542Patrick Tjin#ifndef _UAPI__LINUX_NETLINK_H 2d9ec20e66310e5fa84a1de1c3303748f6b690542Patrick Tjin#define _UAPI__LINUX_NETLINK_H 35d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin 45d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#include <linux/socket.h> /* for __kernel_sa_family_t */ 55d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#include <linux/types.h> 65d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin 75d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NETLINK_ROUTE 0 /* Routing/device hook */ 85d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NETLINK_UNUSED 1 /* Unused number */ 95d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NETLINK_USERSOCK 2 /* Reserved for user mode socket protocols */ 105d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NETLINK_FIREWALL 3 /* Unused number, formerly ip_queue */ 115d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NETLINK_SOCK_DIAG 4 /* socket monitoring */ 125d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NETLINK_NFLOG 5 /* netfilter/iptables ULOG */ 135d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NETLINK_XFRM 6 /* ipsec */ 145d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NETLINK_SELINUX 7 /* SELinux event notifications */ 155d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NETLINK_ISCSI 8 /* Open-iSCSI */ 165d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NETLINK_AUDIT 9 /* auditing */ 175d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NETLINK_FIB_LOOKUP 10 185d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NETLINK_CONNECTOR 11 195d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NETLINK_NETFILTER 12 /* netfilter subsystem */ 205d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NETLINK_IP6_FW 13 215d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NETLINK_DNRTMSG 14 /* DECnet routing messages */ 225d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NETLINK_KOBJECT_UEVENT 15 /* Kernel messages to userspace */ 235d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NETLINK_GENERIC 16 245d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin/* leave room for NETLINK_DM (DM Events) */ 255d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NETLINK_SCSITRANSPORT 18 /* SCSI Transports */ 265d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NETLINK_ECRYPTFS 19 275d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NETLINK_RDMA 20 285d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NETLINK_CRYPTO 21 /* Crypto layer */ 295d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NETLINK_SOCKEV 22 /* Socket Administrative Events */ 305d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NETLINK_INET_DIAG NETLINK_SOCK_DIAG 315d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin 325d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define MAX_LINKS 32 335d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin 345d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjinstruct sockaddr_nl { 355d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin __kernel_sa_family_t nl_family; /* AF_NETLINK */ 365d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin unsigned short nl_pad; /* zero */ 375d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin __u32 nl_pid; /* port ID */ 385d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin __u32 nl_groups; /* multicast groups mask */ 395d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin}; 405d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin 415d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjinstruct nlmsghdr { 425d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin __u32 nlmsg_len; /* Length of message including header */ 435d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin __u16 nlmsg_type; /* Message content */ 445d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin __u16 nlmsg_flags; /* Additional flags */ 455d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin __u32 nlmsg_seq; /* Sequence number */ 465d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin __u32 nlmsg_pid; /* Sending process port ID */ 475d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin}; 485d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin 495d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin/* Flags values */ 505d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin 515d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NLM_F_REQUEST 1 /* It is request message. */ 525d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NLM_F_MULTI 2 /* Multipart message, terminated by NLMSG_DONE */ 535d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NLM_F_ACK 4 /* Reply with ack, with zero or error code */ 545d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NLM_F_ECHO 8 /* Echo this request */ 555d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NLM_F_DUMP_INTR 16 /* Dump was inconsistent due to sequence change */ 565d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin 575d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin/* Modifiers to GET request */ 585d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NLM_F_ROOT 0x100 /* specify tree root */ 595d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NLM_F_MATCH 0x200 /* return all matching */ 605d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NLM_F_ATOMIC 0x400 /* atomic GET */ 615d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NLM_F_DUMP (NLM_F_ROOT|NLM_F_MATCH) 625d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin 635d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin/* Modifiers to NEW request */ 645d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NLM_F_REPLACE 0x100 /* Override existing */ 655d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NLM_F_EXCL 0x200 /* Do not touch, if it exists */ 665d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NLM_F_CREATE 0x400 /* Create, if it does not exist */ 675d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NLM_F_APPEND 0x800 /* Add to end of list */ 685d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin 695d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin/* 705d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin 4.4BSD ADD NLM_F_CREATE|NLM_F_EXCL 715d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin 4.4BSD CHANGE NLM_F_REPLACE 725d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin 735d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin True CHANGE NLM_F_CREATE|NLM_F_REPLACE 745d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin Append NLM_F_CREATE 755d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin Check NLM_F_EXCL 765d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin */ 775d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin 785d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NLMSG_ALIGNTO 4U 795d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NLMSG_ALIGN(len) ( ((len)+NLMSG_ALIGNTO-1) & ~(NLMSG_ALIGNTO-1) ) 805d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NLMSG_HDRLEN ((int) NLMSG_ALIGN(sizeof(struct nlmsghdr))) 815d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NLMSG_LENGTH(len) ((len) + NLMSG_HDRLEN) 825d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NLMSG_SPACE(len) NLMSG_ALIGN(NLMSG_LENGTH(len)) 835d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NLMSG_DATA(nlh) ((void*)(((char*)nlh) + NLMSG_LENGTH(0))) 845d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NLMSG_NEXT(nlh,len) ((len) -= NLMSG_ALIGN((nlh)->nlmsg_len), \ 855d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin (struct nlmsghdr*)(((char*)(nlh)) + NLMSG_ALIGN((nlh)->nlmsg_len))) 865d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NLMSG_OK(nlh,len) ((len) >= (int)sizeof(struct nlmsghdr) && \ 875d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin (nlh)->nlmsg_len >= sizeof(struct nlmsghdr) && \ 885d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin (nlh)->nlmsg_len <= (len)) 895d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NLMSG_PAYLOAD(nlh,len) ((nlh)->nlmsg_len - NLMSG_SPACE((len))) 905d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin 915d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NLMSG_NOOP 0x1 /* Nothing. */ 925d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NLMSG_ERROR 0x2 /* Error */ 935d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NLMSG_DONE 0x3 /* End of a dump */ 945d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NLMSG_OVERRUN 0x4 /* Data lost */ 955d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin 965d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NLMSG_MIN_TYPE 0x10 /* < 0x10: reserved control messages */ 975d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin 985d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjinstruct nlmsgerr { 995d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin int error; 1005d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin struct nlmsghdr msg; 1015d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin}; 1025d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin 1035d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NETLINK_ADD_MEMBERSHIP 1 1045d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NETLINK_DROP_MEMBERSHIP 2 1055d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NETLINK_PKTINFO 3 1065d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NETLINK_BROADCAST_ERROR 4 1075d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NETLINK_NO_ENOBUFS 5 1085d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NETLINK_RX_RING 6 1095d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NETLINK_TX_RING 7 1105d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin 1115d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjinstruct nl_pktinfo { 1125d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin __u32 group; 1135d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin}; 1145d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin 1155d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjinstruct nl_mmap_req { 1165d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin unsigned int nm_block_size; 1175d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin unsigned int nm_block_nr; 1185d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin unsigned int nm_frame_size; 1195d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin unsigned int nm_frame_nr; 1205d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin}; 1215d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin 1225d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjinstruct nl_mmap_hdr { 1235d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin unsigned int nm_status; 1245d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin unsigned int nm_len; 1255d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin __u32 nm_group; 1265d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin /* credentials */ 1275d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin __u32 nm_pid; 1285d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin __u32 nm_uid; 1295d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin __u32 nm_gid; 1305d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin}; 1315d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin 1325d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjinenum nl_mmap_status { 1335d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin NL_MMAP_STATUS_UNUSED, 1345d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin NL_MMAP_STATUS_RESERVED, 1355d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin NL_MMAP_STATUS_VALID, 1365d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin NL_MMAP_STATUS_COPY, 1375d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin NL_MMAP_STATUS_SKIP, 1385d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin}; 1395d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin 1405d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NL_MMAP_MSG_ALIGNMENT NLMSG_ALIGNTO 1415d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NL_MMAP_MSG_ALIGN(sz) __ALIGN_KERNEL(sz, NL_MMAP_MSG_ALIGNMENT) 1425d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NL_MMAP_HDRLEN NL_MMAP_MSG_ALIGN(sizeof(struct nl_mmap_hdr)) 1435d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin 1445d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NET_MAJOR 36 /* Major 36 is reserved for networking */ 1455d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin 1465d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjinenum { 1475d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin NETLINK_UNCONNECTED = 0, 1485d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin NETLINK_CONNECTED, 1495d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin}; 1505d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin 1515d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin/* 1525d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin * <------- NLA_HDRLEN ------> <-- NLA_ALIGN(payload)--> 1535d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin * +---------------------+- - -+- - - - - - - - - -+- - -+ 1545d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin * | Header | Pad | Payload | Pad | 1555d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin * | (struct nlattr) | ing | | ing | 1565d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin * +---------------------+- - -+- - - - - - - - - -+- - -+ 1575d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin * <-------------- nlattr->nla_len --------------> 1585d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin */ 1595d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin 1605d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjinstruct nlattr { 1615d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin __u16 nla_len; 1625d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin __u16 nla_type; 1635d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin}; 1645d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin 1655d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin/* 1665d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin * nla_type (16 bits) 1675d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin * +---+---+-------------------------------+ 1685d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin * | N | O | Attribute Type | 1695d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin * +---+---+-------------------------------+ 1705d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin * N := Carries nested attributes 1715d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin * O := Payload stored in network byte order 1725d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin * 1735d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin * Note: The N and O flag are mutually exclusive. 1745d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin */ 1755d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NLA_F_NESTED (1 << 15) 1765d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NLA_F_NET_BYTEORDER (1 << 14) 1775d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NLA_TYPE_MASK ~(NLA_F_NESTED | NLA_F_NET_BYTEORDER) 1785d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin 1795d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NLA_ALIGNTO 4 1805d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NLA_ALIGN(len) (((len) + NLA_ALIGNTO - 1) & ~(NLA_ALIGNTO - 1)) 1815d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin#define NLA_HDRLEN ((int) NLA_ALIGN(sizeof(struct nlattr))) 1825d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin 1835d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229Patrick Tjin 184d9ec20e66310e5fa84a1de1c3303748f6b690542Patrick Tjin#endif /* _UAPI__LINUX_NETLINK_H */ 185