[mirror_iproute2.git] / include / linux / rtnetlink.h

#ifndef __LINUX_RTNETLINK_H
#define __LINUX_RTNETLINK_H

#include <linux/types.h>
#include <linux/netlink.h>
#include <linux/if_link.h>
#include <linux/if_addr.h>
#include <linux/neighbour.h>

/****
 *		Routing/neighbour discovery messages.
 ****/

/* Types of messages */

enum {
	RTM_BASE	= 16,
#define RTM_BASE	RTM_BASE

	RTM_NEWLINK	= 16,
#define RTM_NEWLINK	RTM_NEWLINK
	RTM_DELLINK,
#define RTM_DELLINK	RTM_DELLINK
	RTM_GETLINK,
#define RTM_GETLINK	RTM_GETLINK
	RTM_SETLINK,
#define RTM_SETLINK	RTM_SETLINK

	RTM_NEWADDR	= 20,
#define RTM_NEWADDR	RTM_NEWADDR
	RTM_DELADDR,
#define RTM_DELADDR	RTM_DELADDR
	RTM_GETADDR,
#define RTM_GETADDR	RTM_GETADDR

	RTM_NEWROUTE	= 24,
#define RTM_NEWROUTE	RTM_NEWROUTE
	RTM_DELROUTE,
#define RTM_DELROUTE	RTM_DELROUTE
	RTM_GETROUTE,
#define RTM_GETROUTE	RTM_GETROUTE

	RTM_NEWNEIGH	= 28,
#define RTM_NEWNEIGH	RTM_NEWNEIGH
	RTM_DELNEIGH,
#define RTM_DELNEIGH	RTM_DELNEIGH
	RTM_GETNEIGH,
#define RTM_GETNEIGH	RTM_GETNEIGH

	RTM_NEWRULE	= 32,
#define RTM_NEWRULE	RTM_NEWRULE
	RTM_DELRULE,
#define RTM_DELRULE	RTM_DELRULE
	RTM_GETRULE,
#define RTM_GETRULE	RTM_GETRULE

	RTM_NEWQDISC	= 36,
#define RTM_NEWQDISC	RTM_NEWQDISC
	RTM_DELQDISC,
#define RTM_DELQDISC	RTM_DELQDISC
	RTM_GETQDISC,
#define RTM_GETQDISC	RTM_GETQDISC

	RTM_NEWTCLASS	= 40,
#define RTM_NEWTCLASS	RTM_NEWTCLASS
	RTM_DELTCLASS,
#define RTM_DELTCLASS	RTM_DELTCLASS
	RTM_GETTCLASS,
#define RTM_GETTCLASS	RTM_GETTCLASS

	RTM_NEWTFILTER	= 44,
#define RTM_NEWTFILTER	RTM_NEWTFILTER
	RTM_DELTFILTER,
#define RTM_DELTFILTER	RTM_DELTFILTER
	RTM_GETTFILTER,
#define RTM_GETTFILTER	RTM_GETTFILTER

	RTM_NEWACTION	= 48,
#define RTM_NEWACTION   RTM_NEWACTION
	RTM_DELACTION,
#define RTM_DELACTION   RTM_DELACTION
	RTM_GETACTION,
#define RTM_GETACTION   RTM_GETACTION

	RTM_NEWPREFIX	= 52,
#define RTM_NEWPREFIX	RTM_NEWPREFIX

	RTM_GETMULTICAST = 58,
#define RTM_GETMULTICAST RTM_GETMULTICAST

	RTM_GETANYCAST	= 62,
#define RTM_GETANYCAST	RTM_GETANYCAST

	RTM_NEWNEIGHTBL	= 64,
#define RTM_NEWNEIGHTBL	RTM_NEWNEIGHTBL
	RTM_GETNEIGHTBL	= 66,
#define RTM_GETNEIGHTBL	RTM_GETNEIGHTBL
	RTM_SETNEIGHTBL,
#define RTM_SETNEIGHTBL	RTM_SETNEIGHTBL

	RTM_NEWNDUSEROPT = 68,
#define RTM_NEWNDUSEROPT RTM_NEWNDUSEROPT

	RTM_NEWADDRLABEL = 72,
#define RTM_NEWADDRLABEL RTM_NEWADDRLABEL
	RTM_DELADDRLABEL,
#define RTM_DELADDRLABEL RTM_DELADDRLABEL
	RTM_GETADDRLABEL,
#define RTM_GETADDRLABEL RTM_GETADDRLABEL

	RTM_GETDCB = 78,
#define RTM_GETDCB RTM_GETDCB
	RTM_SETDCB,
#define RTM_SETDCB RTM_SETDCB

	__RTM_MAX,
#define RTM_MAX		(((__RTM_MAX + 3) & ~3) - 1)
};

#define RTM_NR_MSGTYPES	(RTM_MAX + 1 - RTM_BASE)
#define RTM_NR_FAMILIES	(RTM_NR_MSGTYPES >> 2)
#define RTM_FAM(cmd)	(((cmd) - RTM_BASE) >> 2)

/* 
   Generic structure for encapsulation of optional route information.
   It is reminiscent of sockaddr, but with sa_family replaced
   with attribute type.
 */

struct rtattr {
	unsigned short	rta_len;
	unsigned short	rta_type;
};

/* Macros to handle rtattributes */

#define RTA_ALIGNTO	4
#define RTA_ALIGN(len) ( ((len)+RTA_ALIGNTO-1) & ~(RTA_ALIGNTO-1) )
#define RTA_OK(rta,len) ((len) >= (int)sizeof(struct rtattr) && \
			 (rta)->rta_len >= sizeof(struct rtattr) && \
			 (rta)->rta_len <= (len))
#define RTA_NEXT(rta,attrlen)	((attrlen) -= RTA_ALIGN((rta)->rta_len), \
				 (struct rtattr*)(((char*)(rta)) + RTA_ALIGN((rta)->rta_len)))
#define RTA_LENGTH(len)	(RTA_ALIGN(sizeof(struct rtattr)) + (len))
#define RTA_SPACE(len)	RTA_ALIGN(RTA_LENGTH(len))
#define RTA_DATA(rta)   ((void*)(((char*)(rta)) + RTA_LENGTH(0)))
#define RTA_PAYLOAD(rta) ((int)((rta)->rta_len) - RTA_LENGTH(0))


/******************************************************************************
 *		Definitions used in routing table administration.
 ****/

struct rtmsg {
	unsigned char		rtm_family;
	unsigned char		rtm_dst_len;
	unsigned char		rtm_src_len;
	unsigned char		rtm_tos;

	unsigned char		rtm_table;	/* Routing table id */
	unsigned char		rtm_protocol;	/* Routing protocol; see below	*/
	unsigned char		rtm_scope;	/* See below */	
	unsigned char		rtm_type;	/* See below	*/

	unsigned		rtm_flags;
};

/* rtm_type */

enum {
	RTN_UNSPEC,
	RTN_UNICAST,		/* Gateway or direct route	*/
	RTN_LOCAL,		/* Accept locally		*/
	RTN_BROADCAST,		/* Accept locally as broadcast,
				   send as broadcast */
	RTN_ANYCAST,		/* Accept locally as broadcast,
				   but send as unicast */
	RTN_MULTICAST,		/* Multicast route		*/
	RTN_BLACKHOLE,		/* Drop				*/
	RTN_UNREACHABLE,	/* Destination is unreachable   */
	RTN_PROHIBIT,		/* Administratively prohibited	*/
	RTN_THROW,		/* Not in this table		*/
	RTN_NAT,		/* Translate this address	*/
	RTN_XRESOLVE,		/* Use external resolver	*/
	__RTN_MAX
};

#define RTN_MAX (__RTN_MAX - 1)


/* rtm_protocol */

#define RTPROT_UNSPEC	0
#define RTPROT_REDIRECT	1	/* Route installed by ICMP redirects;
				   not used by current IPv4 */
#define RTPROT_KERNEL	2	/* Route installed by kernel		*/
#define RTPROT_BOOT	3	/* Route installed during boot		*/
#define RTPROT_STATIC	4	/* Route installed by administrator	*/

/* Values of protocol >= RTPROT_STATIC are not interpreted by kernel;
   they are just passed from user and back as is.
   It will be used by hypothetical multiple routing daemons.
   Note that protocol values should be standardized in order to
   avoid conflicts.
 */

#define RTPROT_GATED	8	/* Apparently, GateD */
#define RTPROT_RA	9	/* RDISC/ND router advertisements */
#define RTPROT_MRT	10	/* Merit MRT */
#define RTPROT_ZEBRA	11	/* Zebra */
#define RTPROT_BIRD	12	/* BIRD */
#define RTPROT_DNROUTED	13	/* DECnet routing daemon */
#define RTPROT_XORP	14	/* XORP */
#define RTPROT_NTK	15	/* Netsukuku */
#define RTPROT_DHCP	16      /* DHCP client */

/* rtm_scope

   Really it is not scope, but sort of distance to the destination.
   NOWHERE are reserved for not existing destinations, HOST is our
   local addresses, LINK are destinations, located on directly attached
   link and UNIVERSE is everywhere in the Universe.

   Intermediate values are also possible f.e. interior routes
   could be assigned a value between UNIVERSE and LINK.
*/

enum rt_scope_t {
	RT_SCOPE_UNIVERSE=0,
/* User defined values  */
	RT_SCOPE_SITE=200,
	RT_SCOPE_LINK=253,
	RT_SCOPE_HOST=254,
	RT_SCOPE_NOWHERE=255
};

/* rtm_flags */

#define RTM_F_NOTIFY		0x100	/* Notify user of route change	*/
#define RTM_F_CLONED		0x200	/* This route is cloned		*/
#define RTM_F_EQUALIZE		0x400	/* Multipath equalizer: NI	*/
#define RTM_F_PREFIX		0x800	/* Prefix addresses		*/

/* Reserved table identifiers */

enum rt_class_t {
	RT_TABLE_UNSPEC=0,
/* User defined values */
	RT_TABLE_COMPAT=252,
	RT_TABLE_DEFAULT=253,
	RT_TABLE_MAIN=254,
	RT_TABLE_LOCAL=255,
	RT_TABLE_MAX=0xFFFFFFFF
};


/* Routing message attributes */

enum rtattr_type_t {
	RTA_UNSPEC,
	RTA_DST,
	RTA_SRC,
	RTA_IIF,
	RTA_OIF,
	RTA_GATEWAY,
	RTA_PRIORITY,
	RTA_PREFSRC,
	RTA_METRICS,
	RTA_MULTIPATH,
	RTA_PROTOINFO, /* no longer used */
	RTA_FLOW,
	RTA_CACHEINFO,
	RTA_SESSION, /* no longer used */
	RTA_MP_ALGO, /* no longer used */
	RTA_TABLE,
	__RTA_MAX
};

#define RTA_MAX (__RTA_MAX - 1)

#define RTM_RTA(r)  ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct rtmsg))))
#define RTM_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct rtmsg))

/* RTM_MULTIPATH --- array of struct rtnexthop.
 *
 * "struct rtnexthop" describes all necessary nexthop information,
 * i.e. parameters of path to a destination via this nexthop.
 *
 * At the moment it is impossible to set different prefsrc, mtu, window
 * and rtt for different paths from multipath.
 */

struct rtnexthop {
	unsigned short		rtnh_len;
	unsigned char		rtnh_flags;
	unsigned char		rtnh_hops;
	int			rtnh_ifindex;
};

/* rtnh_flags */

#define RTNH_F_DEAD		1	/* Nexthop is dead (used by multipath)	*/
#define RTNH_F_PERVASIVE	2	/* Do recursive gateway lookup	*/
#define RTNH_F_ONLINK		4	/* Gateway is forced on link	*/

/* Macros to handle hexthops */

#define RTNH_ALIGNTO	4
#define RTNH_ALIGN(len) ( ((len)+RTNH_ALIGNTO-1) & ~(RTNH_ALIGNTO-1) )
#define RTNH_OK(rtnh,len) ((rtnh)->rtnh_len >= sizeof(struct rtnexthop) && \
			   ((int)(rtnh)->rtnh_len) <= (len))
#define RTNH_NEXT(rtnh)	((struct rtnexthop*)(((char*)(rtnh)) + RTNH_ALIGN((rtnh)->rtnh_len)))
#define RTNH_LENGTH(len) (RTNH_ALIGN(sizeof(struct rtnexthop)) + (len))
#define RTNH_SPACE(len)	RTNH_ALIGN(RTNH_LENGTH(len))
#define RTNH_DATA(rtnh)   ((struct rtattr*)(((char*)(rtnh)) + RTNH_LENGTH(0)))

/* RTM_CACHEINFO */

struct rta_cacheinfo {
	__u32	rta_clntref;
	__u32	rta_lastuse;
	__s32	rta_expires;
	__u32	rta_error;
	__u32	rta_used;

#define RTNETLINK_HAVE_PEERINFO 1
	__u32	rta_id;
	__u32	rta_ts;
	__u32	rta_tsage;
};

/* RTM_METRICS --- array of struct rtattr with types of RTAX_* */

enum {
	RTAX_UNSPEC,
#define RTAX_UNSPEC RTAX_UNSPEC
	RTAX_LOCK,
#define RTAX_LOCK RTAX_LOCK
	RTAX_MTU,
#define RTAX_MTU RTAX_MTU
	RTAX_WINDOW,
#define RTAX_WINDOW RTAX_WINDOW
	RTAX_RTT,
#define RTAX_RTT RTAX_RTT
	RTAX_RTTVAR,
#define RTAX_RTTVAR RTAX_RTTVAR
	RTAX_SSTHRESH,
#define RTAX_SSTHRESH RTAX_SSTHRESH
	RTAX_CWND,
#define RTAX_CWND RTAX_CWND
	RTAX_ADVMSS,
#define RTAX_ADVMSS RTAX_ADVMSS
	RTAX_REORDERING,
#define RTAX_REORDERING RTAX_REORDERING
	RTAX_HOPLIMIT,
#define RTAX_HOPLIMIT RTAX_HOPLIMIT
	RTAX_INITCWND,
#define RTAX_INITCWND RTAX_INITCWND
	RTAX_FEATURES,
#define RTAX_FEATURES RTAX_FEATURES
	RTAX_RTO_MIN,
#define RTAX_RTO_MIN RTAX_RTO_MIN
	__RTAX_MAX
};

#define RTAX_MAX (__RTAX_MAX - 1)

#define RTAX_FEATURE_ECN	0x00000001
#define RTAX_FEATURE_SACK	0x00000002
#define RTAX_FEATURE_TIMESTAMP	0x00000004
#define RTAX_FEATURE_ALLFRAG	0x00000008

struct rta_session {
	__u8	proto;
	__u8	pad1;
	__u16	pad2;

	union {
		struct {
			__u16	sport;
			__u16	dport;
		} ports;

		struct {
			__u8	type;
			__u8	code;
			__u16	ident;
		} icmpt;

		__u32		spi;
	} u;
};

/****
 *		General form of address family dependent message.
 ****/

struct rtgenmsg {
	unsigned char		rtgen_family;
};

/*****************************************************************
 *		Link layer specific messages.
 ****/

/* struct ifinfomsg
 * passes link level specific information, not dependent
 * on network protocol.
 */

struct ifinfomsg {
	unsigned char	ifi_family;
	unsigned char	__ifi_pad;
	unsigned short	ifi_type;		/* ARPHRD_* */
	int		ifi_index;		/* Link index	*/
	unsigned	ifi_flags;		/* IFF_* flags	*/
	unsigned	ifi_change;		/* IFF_* change mask */
};

/********************************************************************
 *		prefix information 
 ****/

struct prefixmsg {
	unsigned char	prefix_family;
	unsigned char	prefix_pad1;
	unsigned short	prefix_pad2;
	int		prefix_ifindex;
	unsigned char	prefix_type;
	unsigned char	prefix_len;
	unsigned char	prefix_flags;
	unsigned char	prefix_pad3;
};

enum 
{
	PREFIX_UNSPEC,
	PREFIX_ADDRESS,
	PREFIX_CACHEINFO,
	__PREFIX_MAX
};

#define PREFIX_MAX	(__PREFIX_MAX - 1)

struct prefix_cacheinfo {
	__u32	preferred_time;
	__u32	valid_time;
};


/*****************************************************************
 *		Traffic control messages.
 ****/

struct tcmsg {
	unsigned char	tcm_family;
	unsigned char	tcm__pad1;
	unsigned short	tcm__pad2;
	int		tcm_ifindex;
	__u32		tcm_handle;
	__u32		tcm_parent;
	__u32		tcm_info;
};

enum {
	TCA_UNSPEC,
	TCA_KIND,
	TCA_OPTIONS,
	TCA_STATS,
	TCA_XSTATS,
	TCA_RATE,
	TCA_FCNT,
	TCA_STATS2,
	TCA_STAB,
	__TCA_MAX
};

#define TCA_MAX (__TCA_MAX - 1)

#define TCA_RTA(r)  ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct tcmsg))))
#define TCA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcmsg))

/********************************************************************
 *		Neighbor Discovery userland options
 ****/

struct nduseroptmsg {
	unsigned char	nduseropt_family;
	unsigned char	nduseropt_pad1;
	unsigned short	nduseropt_opts_len;	/* Total length of options */
	int		nduseropt_ifindex;
	__u8		nduseropt_icmp_type;
	__u8		nduseropt_icmp_code;
	unsigned short	nduseropt_pad2;
	unsigned int	nduseropt_pad3;
	/* Followed by one or more ND options */
};

enum {
	NDUSEROPT_UNSPEC,
	NDUSEROPT_SRCADDR,
	__NDUSEROPT_MAX
};

#define NDUSEROPT_MAX	(__NDUSEROPT_MAX - 1)

/* RTnetlink multicast groups - backwards compatibility for userspace */
#define RTMGRP_LINK		1
#define RTMGRP_NOTIFY		2
#define RTMGRP_NEIGH		4
#define RTMGRP_TC		8

#define RTMGRP_IPV4_IFADDR	0x10
#define RTMGRP_IPV4_MROUTE	0x20
#define RTMGRP_IPV4_ROUTE	0x40
#define RTMGRP_IPV4_RULE	0x80

#define RTMGRP_IPV6_IFADDR	0x100
#define RTMGRP_IPV6_MROUTE	0x200
#define RTMGRP_IPV6_ROUTE	0x400
#define RTMGRP_IPV6_IFINFO	0x800

#define RTMGRP_DECnet_IFADDR    0x1000
#define RTMGRP_DECnet_ROUTE     0x4000

#define RTMGRP_IPV6_PREFIX	0x20000

/* RTnetlink multicast groups */
enum rtnetlink_groups {
	RTNLGRP_NONE,
#define RTNLGRP_NONE		RTNLGRP_NONE
	RTNLGRP_LINK,
#define RTNLGRP_LINK		RTNLGRP_LINK
	RTNLGRP_NOTIFY,
#define RTNLGRP_NOTIFY		RTNLGRP_NOTIFY
	RTNLGRP_NEIGH,
#define RTNLGRP_NEIGH		RTNLGRP_NEIGH
	RTNLGRP_TC,
#define RTNLGRP_TC		RTNLGRP_TC
	RTNLGRP_IPV4_IFADDR,
#define RTNLGRP_IPV4_IFADDR	RTNLGRP_IPV4_IFADDR
	RTNLGRP_IPV4_MROUTE,
#define	RTNLGRP_IPV4_MROUTE	RTNLGRP_IPV4_MROUTE
	RTNLGRP_IPV4_ROUTE,
#define RTNLGRP_IPV4_ROUTE	RTNLGRP_IPV4_ROUTE
	RTNLGRP_IPV4_RULE,
#define RTNLGRP_IPV4_RULE	RTNLGRP_IPV4_RULE
	RTNLGRP_IPV6_IFADDR,
#define RTNLGRP_IPV6_IFADDR	RTNLGRP_IPV6_IFADDR
	RTNLGRP_IPV6_MROUTE,
#define RTNLGRP_IPV6_MROUTE	RTNLGRP_IPV6_MROUTE
	RTNLGRP_IPV6_ROUTE,
#define RTNLGRP_IPV6_ROUTE	RTNLGRP_IPV6_ROUTE
	RTNLGRP_IPV6_IFINFO,
#define RTNLGRP_IPV6_IFINFO	RTNLGRP_IPV6_IFINFO
	RTNLGRP_DECnet_IFADDR,
#define RTNLGRP_DECnet_IFADDR	RTNLGRP_DECnet_IFADDR
	RTNLGRP_NOP2,
	RTNLGRP_DECnet_ROUTE,
#define RTNLGRP_DECnet_ROUTE	RTNLGRP_DECnet_ROUTE
	RTNLGRP_DECnet_RULE,
#define RTNLGRP_DECnet_RULE	RTNLGRP_DECnet_RULE
	RTNLGRP_NOP4,
	RTNLGRP_IPV6_PREFIX,
#define RTNLGRP_IPV6_PREFIX	RTNLGRP_IPV6_PREFIX
	RTNLGRP_IPV6_RULE,
#define RTNLGRP_IPV6_RULE	RTNLGRP_IPV6_RULE
	RTNLGRP_ND_USEROPT,
#define RTNLGRP_ND_USEROPT	RTNLGRP_ND_USEROPT
	RTNLGRP_PHONET_IFADDR,
#define RTNLGRP_PHONET_IFADDR	RTNLGRP_PHONET_IFADDR
	RTNLGRP_PHONET_ROUTE,
#define RTNLGRP_PHONET_ROUTE	RTNLGRP_PHONET_ROUTE
	__RTNLGRP_MAX
};
#define RTNLGRP_MAX	(__RTNLGRP_MAX - 1)

/* TC action piece */
struct tcamsg {
	unsigned char	tca_family;
	unsigned char	tca__pad1;
	unsigned short	tca__pad2;
};
#define TA_RTA(r)  ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct tcamsg))))
#define TA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcamsg))
#define TCA_ACT_TAB 1 /* attr type must be >=1 */	
#define TCAA_MAX 1

/* End of information exported to user level */


#endif	/* __LINUX_RTNETLINK_H */
Commit	Line	Data
0633baa1 SH	1	#ifndef __LINUX_RTNETLINK_H
	2	#define __LINUX_RTNETLINK_H
	3
67881151	4	#include <linux/types.h>
0633baa1	5	#include <linux/netlink.h>
ead2ba70	6	#include <linux/if_link.h>
5a8ba228 SH	7	#include <linux/if_addr.h>
5a8ba228 SH	8	#include <linux/neighbour.h>
0633baa1 SH	9
	10	/****
	11	* Routing/neighbour discovery messages.
	12	****/
	13
	14	/* Types of messages */
	15
091ed219 SH	16	enum {
	17	RTM_BASE = 16,
	18	#define RTM_BASE RTM_BASE
	19
	20	RTM_NEWLINK = 16,
	21	#define RTM_NEWLINK RTM_NEWLINK
	22	RTM_DELLINK,
	23	#define RTM_DELLINK RTM_DELLINK
	24	RTM_GETLINK,
	25	#define RTM_GETLINK RTM_GETLINK
	26	RTM_SETLINK,
	27	#define RTM_SETLINK RTM_SETLINK
	28
	29	RTM_NEWADDR = 20,
	30	#define RTM_NEWADDR RTM_NEWADDR
	31	RTM_DELADDR,
	32	#define RTM_DELADDR RTM_DELADDR
	33	RTM_GETADDR,
	34	#define RTM_GETADDR RTM_GETADDR
	35
	36	RTM_NEWROUTE = 24,
	37	#define RTM_NEWROUTE RTM_NEWROUTE
	38	RTM_DELROUTE,
	39	#define RTM_DELROUTE RTM_DELROUTE
	40	RTM_GETROUTE,
	41	#define RTM_GETROUTE RTM_GETROUTE
	42
	43	RTM_NEWNEIGH = 28,
	44	#define RTM_NEWNEIGH RTM_NEWNEIGH
	45	RTM_DELNEIGH,
	46	#define RTM_DELNEIGH RTM_DELNEIGH
	47	RTM_GETNEIGH,
	48	#define RTM_GETNEIGH RTM_GETNEIGH
	49
	50	RTM_NEWRULE = 32,
	51	#define RTM_NEWRULE RTM_NEWRULE
	52	RTM_DELRULE,
	53	#define RTM_DELRULE RTM_DELRULE
	54	RTM_GETRULE,
	55	#define RTM_GETRULE RTM_GETRULE
	56
	57	RTM_NEWQDISC = 36,
	58	#define RTM_NEWQDISC RTM_NEWQDISC
	59	RTM_DELQDISC,
	60	#define RTM_DELQDISC RTM_DELQDISC
	61	RTM_GETQDISC,
	62	#define RTM_GETQDISC RTM_GETQDISC
	63
	64	RTM_NEWTCLASS = 40,
	65	#define RTM_NEWTCLASS RTM_NEWTCLASS
	66	RTM_DELTCLASS,
	67	#define RTM_DELTCLASS RTM_DELTCLASS
	68	RTM_GETTCLASS,
	69	#define RTM_GETTCLASS RTM_GETTCLASS
	70
	71	RTM_NEWTFILTER = 44,
	72	#define RTM_NEWTFILTER RTM_NEWTFILTER
	73	RTM_DELTFILTER,
	74	#define RTM_DELTFILTER RTM_DELTFILTER
	75	RTM_GETTFILTER,
	76	#define RTM_GETTFILTER RTM_GETTFILTER
	77
	78	RTM_NEWACTION = 48,
	79	#define RTM_NEWACTION RTM_NEWACTION
80	RTM_DELACTION,
81	#define RTM_DELACTION RTM_DELACTION
82	RTM_GETACTION,
83	#define RTM_GETACTION RTM_GETACTION
84
85	RTM_NEWPREFIX = 52,
86	#define RTM_NEWPREFIX RTM_NEWPREFIX
091ed219 SH	87
	88	RTM_GETMULTICAST = 58,
	89	#define RTM_GETMULTICAST RTM_GETMULTICAST
	90
	91	RTM_GETANYCAST = 62,
	92	#define RTM_GETANYCAST RTM_GETANYCAST
	93
ea8fc104 SH	94	RTM_NEWNEIGHTBL = 64,
	95	#define RTM_NEWNEIGHTBL RTM_NEWNEIGHTBL
	96	RTM_GETNEIGHTBL = 66,
	97	#define RTM_GETNEIGHTBL RTM_GETNEIGHTBL
	98	RTM_SETNEIGHTBL,
	99	#define RTM_SETNEIGHTBL RTM_SETNEIGHTBL
	100
5472ac6f SH	101	RTM_NEWNDUSEROPT = 68,
	102	#define RTM_NEWNDUSEROPT RTM_NEWNDUSEROPT
	103
70e6e38a SH	104	RTM_NEWADDRLABEL = 72,
	105	#define RTM_NEWADDRLABEL RTM_NEWADDRLABEL
	106	RTM_DELADDRLABEL,
8007bfb5	107	#define RTM_DELADDRLABEL RTM_DELADDRLABEL
70e6e38a SH	108	RTM_GETADDRLABEL,
	109	#define RTM_GETADDRLABEL RTM_GETADDRLABEL
	110
67881151 SH	111	RTM_GETDCB = 78,
	112	#define RTM_GETDCB RTM_GETDCB
	113	RTM_SETDCB,
	114	#define RTM_SETDCB RTM_SETDCB
	115
ea8fc104 SH	116	__RTM_MAX,
ea8fc104 SH	117	#define RTM_MAX (((__RTM_MAX + 3) & ~3) - 1)
091ed219	118	};
0633baa1	119
ea8fc104 SH	120	#define RTM_NR_MSGTYPES (RTM_MAX + 1 - RTM_BASE)
	121	#define RTM_NR_FAMILIES (RTM_NR_MSGTYPES >> 2)
	122	#define RTM_FAM(cmd) (((cmd) - RTM_BASE) >> 2)
	123
0633baa1 SH	124	/*
	125	Generic structure for encapsulation of optional route information.
	126	It is reminiscent of sockaddr, but with sa_family replaced
	127	with attribute type.
	128	*/
	129
ab322673	130	struct rtattr {
0633baa1 SH	131	unsigned short rta_len;
	132	unsigned short rta_type;
	133	};
	134
	135	/* Macros to handle rtattributes */
	136
	137	#define RTA_ALIGNTO 4
	138	#define RTA_ALIGN(len) ( ((len)+RTA_ALIGNTO-1) & ~(RTA_ALIGNTO-1) )
	139	#define RTA_OK(rta,len) ((len) >= (int)sizeof(struct rtattr) && \
	140	(rta)->rta_len >= sizeof(struct rtattr) && \
	141	(rta)->rta_len <= (len))
	142	#define RTA_NEXT(rta,attrlen) ((attrlen) -= RTA_ALIGN((rta)->rta_len), \
	143	(struct rtattr)(((char)(rta)) + RTA_ALIGN((rta)->rta_len)))
	144	#define RTA_LENGTH(len) (RTA_ALIGN(sizeof(struct rtattr)) + (len))
	145	#define RTA_SPACE(len) RTA_ALIGN(RTA_LENGTH(len))
	146	#define RTA_DATA(rta) ((void)(((char)(rta)) + RTA_LENGTH(0)))
	147	#define RTA_PAYLOAD(rta) ((int)((rta)->rta_len) - RTA_LENGTH(0))
	148
	149
	150
	151
	152	/******************************************************************************
	153	* Definitions used in routing table administration.
	154	****/
	155
ab322673	156	struct rtmsg {
0633baa1 SH	157	unsigned char rtm_family;
	158	unsigned char rtm_dst_len;
	159	unsigned char rtm_src_len;
	160	unsigned char rtm_tos;
	161
	162	unsigned char rtm_table; /* Routing table id */
	163	unsigned char rtm_protocol; /* Routing protocol; see below */
	164	unsigned char rtm_scope; /* See below */
	165	unsigned char rtm_type; /* See below */
	166
	167	unsigned rtm_flags;
	168	};
	169
	170	/* rtm_type */
	171
ab322673	172	enum {
0633baa1 SH	173	RTN_UNSPEC,
	174	RTN_UNICAST, /* Gateway or direct route */
	175	RTN_LOCAL, /* Accept locally */
	176	RTN_BROADCAST, /* Accept locally as broadcast,
	177	send as broadcast */
	178	RTN_ANYCAST, /* Accept locally as broadcast,
	179	but send as unicast */
	180	RTN_MULTICAST, /* Multicast route */
	181	RTN_BLACKHOLE, /* Drop */
	182	RTN_UNREACHABLE, /* Destination is unreachable */
	183	RTN_PROHIBIT, /* Administratively prohibited */
	184	RTN_THROW, /* Not in this table */
	185	RTN_NAT, /* Translate this address */
	186	RTN_XRESOLVE, /* Use external resolver */
	187	__RTN_MAX
	188	};
	189
	190	#define RTN_MAX (__RTN_MAX - 1)
	191
	192
	193	/* rtm_protocol */
	194
	195	#define RTPROT_UNSPEC 0
	196	#define RTPROT_REDIRECT 1 /* Route installed by ICMP redirects;
	197	not used by current IPv4 */
	198	#define RTPROT_KERNEL 2 /* Route installed by kernel */
	199	#define RTPROT_BOOT 3 /* Route installed during boot */
	200	#define RTPROT_STATIC 4 /* Route installed by administrator */
	201
	202	/* Values of protocol >= RTPROT_STATIC are not interpreted by kernel;
	203	they are just passed from user and back as is.
	204	It will be used by hypothetical multiple routing daemons.
	205	Note that protocol values should be standardized in order to
	206	avoid conflicts.
	207	*/
	208
	209	#define RTPROT_GATED 8 /* Apparently, GateD */
	210	#define RTPROT_RA 9 /* RDISC/ND router advertisements */
	211	#define RTPROT_MRT 10 /* Merit MRT */
	212	#define RTPROT_ZEBRA 11 /* Zebra */
	213	#define RTPROT_BIRD 12 /* BIRD */
	214	#define RTPROT_DNROUTED 13 /* DECnet routing daemon */
	215	#define RTPROT_XORP 14 /* XORP */
40b6c62c	216	#define RTPROT_NTK 15 /* Netsukuku */
67881151	217	#define RTPROT_DHCP 16 /* DHCP client */
0633baa1 SH	218
	219	/* rtm_scope
	220
	221	Really it is not scope, but sort of distance to the destination.
	222	NOWHERE are reserved for not existing destinations, HOST is our
	223	local addresses, LINK are destinations, located on directly attached
	224	link and UNIVERSE is everywhere in the Universe.
	225
	226	Intermediate values are also possible f.e. interior routes
	227	could be assigned a value between UNIVERSE and LINK.
	228	*/
	229
ab322673	230	enum rt_scope_t {
0633baa1 SH	231	RT_SCOPE_UNIVERSE=0,
	232	/* User defined values */
	233	RT_SCOPE_SITE=200,
	234	RT_SCOPE_LINK=253,
	235	RT_SCOPE_HOST=254,
	236	RT_SCOPE_NOWHERE=255
	237	};
	238
	239	/* rtm_flags */
	240
	241	#define RTM_F_NOTIFY 0x100 /* Notify user of route change */
	242	#define RTM_F_CLONED 0x200 /* This route is cloned */
	243	#define RTM_F_EQUALIZE 0x400 /* Multipath equalizer: NI */
	244	#define RTM_F_PREFIX 0x800 /* Prefix addresses */
	245
	246	/* Reserved table identifiers */
	247
ab322673	248	enum rt_class_t {
0633baa1 SH	249	RT_TABLE_UNSPEC=0,
0633baa1 SH	250	/* User defined values */
3ea2fb98	251	RT_TABLE_COMPAT=252,
0633baa1 SH	252	RT_TABLE_DEFAULT=253,
	253	RT_TABLE_MAIN=254,
	254	RT_TABLE_LOCAL=255,
ead2ba70	255	RT_TABLE_MAX=0xFFFFFFFF
0633baa1	256	};
0633baa1 SH	257
	258
	259	/* Routing message attributes */
	260
ab322673	261	enum rtattr_type_t {
0633baa1 SH	262	RTA_UNSPEC,
	263	RTA_DST,
	264	RTA_SRC,
	265	RTA_IIF,
	266	RTA_OIF,
	267	RTA_GATEWAY,
	268	RTA_PRIORITY,
	269	RTA_PREFSRC,
	270	RTA_METRICS,
	271	RTA_MULTIPATH,
3ea2fb98	272	RTA_PROTOINFO, /* no longer used */
0633baa1 SH	273	RTA_FLOW,
0633baa1 SH	274	RTA_CACHEINFO,
3ea2fb98	275	RTA_SESSION, /* no longer used */
a6ffa8b0	276	RTA_MP_ALGO, /* no longer used */
34e95647	277	RTA_TABLE,
0633baa1 SH	278	__RTA_MAX
	279	};
	280
	281	#define RTA_MAX (__RTA_MAX - 1)
	282
	283	#define RTM_RTA(r) ((struct rtattr)(((char)(r)) + NLMSG_ALIGN(sizeof(struct rtmsg))))
	284	#define RTM_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct rtmsg))
	285
	286	/* RTM_MULTIPATH --- array of struct rtnexthop.
	287	*
	288	* "struct rtnexthop" describes all necessary nexthop information,
	289	* i.e. parameters of path to a destination via this nexthop.
	290	*
	291	* At the moment it is impossible to set different prefsrc, mtu, window
	292	* and rtt for different paths from multipath.
	293	*/
	294
ab322673	295	struct rtnexthop {
0633baa1 SH	296	unsigned short rtnh_len;
	297	unsigned char rtnh_flags;
	298	unsigned char rtnh_hops;
	299	int rtnh_ifindex;
	300	};
	301
	302	/* rtnh_flags */
	303
	304	#define RTNH_F_DEAD 1 /* Nexthop is dead (used by multipath) */
	305	#define RTNH_F_PERVASIVE 2 /* Do recursive gateway lookup */
	306	#define RTNH_F_ONLINK 4 /* Gateway is forced on link */
	307
	308	/* Macros to handle hexthops */
	309
	310	#define RTNH_ALIGNTO 4
	311	#define RTNH_ALIGN(len) ( ((len)+RTNH_ALIGNTO-1) & ~(RTNH_ALIGNTO-1) )
	312	#define RTNH_OK(rtnh,len) ((rtnh)->rtnh_len >= sizeof(struct rtnexthop) && \
	313	((int)(rtnh)->rtnh_len) <= (len))
	314	#define RTNH_NEXT(rtnh) ((struct rtnexthop)(((char)(rtnh)) + RTNH_ALIGN((rtnh)->rtnh_len)))
	315	#define RTNH_LENGTH(len) (RTNH_ALIGN(sizeof(struct rtnexthop)) + (len))
	316	#define RTNH_SPACE(len) RTNH_ALIGN(RTNH_LENGTH(len))
	317	#define RTNH_DATA(rtnh) ((struct rtattr)(((char)(rtnh)) + RTNH_LENGTH(0)))
	318
	319	/* RTM_CACHEINFO */
	320
ab322673	321	struct rta_cacheinfo {
0633baa1 SH	322	__u32 rta_clntref;
	323	__u32 rta_lastuse;
	324	__s32 rta_expires;
	325	__u32 rta_error;
	326	__u32 rta_used;
	327
	328	#define RTNETLINK_HAVE_PEERINFO 1
	329	__u32 rta_id;
	330	__u32 rta_ts;
	331	__u32 rta_tsage;
	332	};
	333
	334	/* RTM_METRICS --- array of struct rtattr with types of RTAX_* */
	335
ab322673	336	enum {
0633baa1 SH	337	RTAX_UNSPEC,
	338	#define RTAX_UNSPEC RTAX_UNSPEC
	339	RTAX_LOCK,
	340	#define RTAX_LOCK RTAX_LOCK
	341	RTAX_MTU,
	342	#define RTAX_MTU RTAX_MTU
	343	RTAX_WINDOW,
	344	#define RTAX_WINDOW RTAX_WINDOW
	345	RTAX_RTT,
	346	#define RTAX_RTT RTAX_RTT
	347	RTAX_RTTVAR,
	348	#define RTAX_RTTVAR RTAX_RTTVAR
	349	RTAX_SSTHRESH,
	350	#define RTAX_SSTHRESH RTAX_SSTHRESH
	351	RTAX_CWND,
	352	#define RTAX_CWND RTAX_CWND
	353	RTAX_ADVMSS,
	354	#define RTAX_ADVMSS RTAX_ADVMSS
	355	RTAX_REORDERING,
	356	#define RTAX_REORDERING RTAX_REORDERING
	357	RTAX_HOPLIMIT,
	358	#define RTAX_HOPLIMIT RTAX_HOPLIMIT
	359	RTAX_INITCWND,
	360	#define RTAX_INITCWND RTAX_INITCWND
	361	RTAX_FEATURES,
	362	#define RTAX_FEATURES RTAX_FEATURES
dfd26e1c SH	363	RTAX_RTO_MIN,
dfd26e1c SH	364	#define RTAX_RTO_MIN RTAX_RTO_MIN
0633baa1 SH	365	__RTAX_MAX
	366	};
	367
	368	#define RTAX_MAX (__RTAX_MAX - 1)
	369
	370	#define RTAX_FEATURE_ECN 0x00000001
	371	#define RTAX_FEATURE_SACK 0x00000002
	372	#define RTAX_FEATURE_TIMESTAMP 0x00000004
206a0441	373	#define RTAX_FEATURE_ALLFRAG 0x00000008
0633baa1	374
ab322673	375	struct rta_session {
0633baa1	376	__u8 proto;
6864c1e7 SH	377	__u8 pad1;
6864c1e7 SH	378	__u16 pad2;
0633baa1 SH	379
	380	union {
	381	struct {
	382	__u16 sport;
	383	__u16 dport;
	384	} ports;
	385
	386	struct {
	387	__u8 type;
	388	__u8 code;
	389	__u16 ident;
	390	} icmpt;
	391
	392	__u32 spi;
	393	} u;
	394	};
	395
0633baa1 SH	396	/****
	397	* General form of address family dependent message.
	398	****/
	399
ab322673	400	struct rtgenmsg {
0633baa1 SH	401	unsigned char rtgen_family;
	402	};
	403
	404	/*****************************************************************
	405	* Link layer specific messages.
	406	****/
	407
	408	/* struct ifinfomsg
	409	* passes link level specific information, not dependent
	410	* on network protocol.
	411	*/
	412
ab322673	413	struct ifinfomsg {
0633baa1 SH	414	unsigned char ifi_family;
	415	unsigned char __ifi_pad;
	416	unsigned short ifi_type; /* ARPHRD_* */
	417	int ifi_index; /* Link index */
	418	unsigned ifi_flags; /* IFF_* flags */
	419	unsigned ifi_change; /* IFF_* change mask */
	420	};
	421
	422	/********************************************************************
	423	* prefix information
	424	****/
	425
ab322673	426	struct prefixmsg {
0633baa1	427	unsigned char prefix_family;
6864c1e7 SH	428	unsigned char prefix_pad1;
6864c1e7 SH	429	unsigned short prefix_pad2;
0633baa1 SH	430	int prefix_ifindex;
	431	unsigned char prefix_type;
	432	unsigned char prefix_len;
	433	unsigned char prefix_flags;
6864c1e7	434	unsigned char prefix_pad3;
0633baa1 SH	435	};
	436
	437	enum
	438	{
	439	PREFIX_UNSPEC,
	440	PREFIX_ADDRESS,
	441	PREFIX_CACHEINFO,
	442	__PREFIX_MAX
	443	};
	444
	445	#define PREFIX_MAX (__PREFIX_MAX - 1)
	446
ab322673	447	struct prefix_cacheinfo {
0633baa1 SH	448	__u32 preferred_time;
	449	__u32 valid_time;
	450	};
	451
0633baa1 SH	452
	453	/*****************************************************************
	454	* Traffic control messages.
	455	****/
	456
ab322673	457	struct tcmsg {
0633baa1 SH	458	unsigned char tcm_family;
	459	unsigned char tcm__pad1;
	460	unsigned short tcm__pad2;
	461	int tcm_ifindex;
	462	__u32 tcm_handle;
	463	__u32 tcm_parent;
	464	__u32 tcm_info;
	465	};
	466
ab322673	467	enum {
0633baa1 SH	468	TCA_UNSPEC,
	469	TCA_KIND,
	470	TCA_OPTIONS,
	471	TCA_STATS,
	472	TCA_XSTATS,
	473	TCA_RATE,
	474	TCA_FCNT,
e5879dc6	475	TCA_STATS2,
19ecc16d	476	TCA_STAB,
0633baa1 SH	477	__TCA_MAX
	478	};
	479
	480	#define TCA_MAX (__TCA_MAX - 1)
	481
	482	#define TCA_RTA(r) ((struct rtattr)(((char)(r)) + NLMSG_ALIGN(sizeof(struct tcmsg))))
	483	#define TCA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcmsg))
	484
5472ac6f SH	485	/********************************************************************
	486	* Neighbor Discovery userland options
	487	****/
	488
ab322673	489	struct nduseroptmsg {
5472ac6f SH	490	unsigned char nduseropt_family;
	491	unsigned char nduseropt_pad1;
	492	unsigned short nduseropt_opts_len; /* Total length of options */
	493	int nduseropt_ifindex;
	494	__u8 nduseropt_icmp_type;
	495	__u8 nduseropt_icmp_code;
	496	unsigned short nduseropt_pad2;
	497	unsigned int nduseropt_pad3;
	498	/* Followed by one or more ND options */
	499	};
	500
ab322673	501	enum {
5472ac6f SH	502	NDUSEROPT_UNSPEC,
	503	NDUSEROPT_SRCADDR,
	504	__NDUSEROPT_MAX
	505	};
	506
	507	#define NDUSEROPT_MAX (__NDUSEROPT_MAX - 1)
	508
351efcde	509	/* RTnetlink multicast groups - backwards compatibility for userspace */
0633baa1 SH	510	#define RTMGRP_LINK 1
	511	#define RTMGRP_NOTIFY 2
	512	#define RTMGRP_NEIGH 4
	513	#define RTMGRP_TC 8
	514
	515	#define RTMGRP_IPV4_IFADDR 0x10
	516	#define RTMGRP_IPV4_MROUTE 0x20
	517	#define RTMGRP_IPV4_ROUTE 0x40
8f8a3648	518	#define RTMGRP_IPV4_RULE 0x80
0633baa1 SH	519
	520	#define RTMGRP_IPV6_IFADDR 0x100
	521	#define RTMGRP_IPV6_MROUTE 0x200
	522	#define RTMGRP_IPV6_ROUTE 0x400
	523	#define RTMGRP_IPV6_IFINFO 0x800
	524
	525	#define RTMGRP_DECnet_IFADDR 0x1000
	526	#define RTMGRP_DECnet_ROUTE 0x4000
	527
	528	#define RTMGRP_IPV6_PREFIX 0x20000
	529
351efcde SH	530	/* RTnetlink multicast groups */
	531	enum rtnetlink_groups {
	532	RTNLGRP_NONE,
	533	#define RTNLGRP_NONE RTNLGRP_NONE
	534	RTNLGRP_LINK,
	535	#define RTNLGRP_LINK RTNLGRP_LINK
	536	RTNLGRP_NOTIFY,
	537	#define RTNLGRP_NOTIFY RTNLGRP_NOTIFY
	538	RTNLGRP_NEIGH,
	539	#define RTNLGRP_NEIGH RTNLGRP_NEIGH
	540	RTNLGRP_TC,
	541	#define RTNLGRP_TC RTNLGRP_TC
	542	RTNLGRP_IPV4_IFADDR,
	543	#define RTNLGRP_IPV4_IFADDR RTNLGRP_IPV4_IFADDR
	544	RTNLGRP_IPV4_MROUTE,
	545	#define RTNLGRP_IPV4_MROUTE RTNLGRP_IPV4_MROUTE
	546	RTNLGRP_IPV4_ROUTE,
	547	#define RTNLGRP_IPV4_ROUTE RTNLGRP_IPV4_ROUTE
8f8a3648 SH	548	RTNLGRP_IPV4_RULE,
8f8a3648 SH	549	#define RTNLGRP_IPV4_RULE RTNLGRP_IPV4_RULE
351efcde SH	550	RTNLGRP_IPV6_IFADDR,
	551	#define RTNLGRP_IPV6_IFADDR RTNLGRP_IPV6_IFADDR
	552	RTNLGRP_IPV6_MROUTE,
	553	#define RTNLGRP_IPV6_MROUTE RTNLGRP_IPV6_MROUTE
	554	RTNLGRP_IPV6_ROUTE,
	555	#define RTNLGRP_IPV6_ROUTE RTNLGRP_IPV6_ROUTE
	556	RTNLGRP_IPV6_IFINFO,
	557	#define RTNLGRP_IPV6_IFINFO RTNLGRP_IPV6_IFINFO
	558	RTNLGRP_DECnet_IFADDR,
	559	#define RTNLGRP_DECnet_IFADDR RTNLGRP_DECnet_IFADDR
09954dc6	560	RTNLGRP_NOP2,
351efcde SH	561	RTNLGRP_DECnet_ROUTE,
351efcde SH	562	#define RTNLGRP_DECnet_ROUTE RTNLGRP_DECnet_ROUTE
ead2ba70 SH	563	RTNLGRP_DECnet_RULE,
ead2ba70 SH	564	#define RTNLGRP_DECnet_RULE RTNLGRP_DECnet_RULE
09954dc6	565	RTNLGRP_NOP4,
351efcde SH	566	RTNLGRP_IPV6_PREFIX,
351efcde SH	567	#define RTNLGRP_IPV6_PREFIX RTNLGRP_IPV6_PREFIX
ead2ba70 SH	568	RTNLGRP_IPV6_RULE,
ead2ba70 SH	569	#define RTNLGRP_IPV6_RULE RTNLGRP_IPV6_RULE
5472ac6f SH	570	RTNLGRP_ND_USEROPT,
5472ac6f SH	571	#define RTNLGRP_ND_USEROPT RTNLGRP_ND_USEROPT
05bfd165 SH	572	RTNLGRP_PHONET_IFADDR,
	573	#define RTNLGRP_PHONET_IFADDR RTNLGRP_PHONET_IFADDR
	574	RTNLGRP_PHONET_ROUTE,
	575	#define RTNLGRP_PHONET_ROUTE RTNLGRP_PHONET_ROUTE
351efcde SH	576	__RTNLGRP_MAX
	577	};
	578	#define RTNLGRP_MAX (__RTNLGRP_MAX - 1)
	579
0633baa1	580	/* TC action piece */
ab322673	581	struct tcamsg {
0633baa1 SH	582	unsigned char tca_family;
	583	unsigned char tca__pad1;
	584	unsigned short tca__pad2;
	585	};
	586	#define TA_RTA(r) ((struct rtattr)(((char)(r)) + NLMSG_ALIGN(sizeof(struct tcamsg))))
	587	#define TA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcamsg))
	588	#define TCA_ACT_TAB 1 /* attr type must be >=1 */
	589	#define TCAA_MAX 1
	590
	591	/* End of information exported to user level */
	592
	593
	594
	595	#endif /* __LINUX_RTNETLINK_H */