[mirror_ubuntu-eoan-kernel.git] / include / uapi / linux / rtnetlink.h

#ifndef _UAPI__LINUX_RTNETLINK_H
#define _UAPI__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>

/* rtnetlink families. Values up to 127 are reserved for real address
 * families, values above 128 may be used arbitrarily.
 */
#define RTNL_FAMILY_IPMR		128
#define RTNL_FAMILY_IP6MR		129
#define RTNL_FAMILY_MAX			129

/****
 *		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_MARK,
	__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_INITRWND,
#define RTAX_INITRWND RTAX_INITRWND
	__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)

#ifndef __KERNEL__
/* 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
#endif

/* 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_DCB,
#define RTNLGRP_DCB		RTNLGRP_DCB
	__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

/* New extended info filters for IFLA_EXT_MASK */
#define RTEXT_FILTER_VF		(1 << 0)

/* End of information exported to user level */


#endif /* _UAPI__LINUX_RTNETLINK_H */
Commit	Line	Data
607ca46e DH	1	#ifndef _UAPI__LINUX_RTNETLINK_H
	2	#define _UAPI__LINUX_RTNETLINK_H
	3
	4	#include <linux/types.h>
	5	#include <linux/netlink.h>
	6	#include <linux/if_link.h>
	7	#include <linux/if_addr.h>
	8	#include <linux/neighbour.h>
	9
	10	/* rtnetlink families. Values up to 127 are reserved for real address
	11	* families, values above 128 may be used arbitrarily.
	12	*/
	13	#define RTNL_FAMILY_IPMR 128
	14	#define RTNL_FAMILY_IP6MR 129
	15	#define RTNL_FAMILY_MAX 129
	16
	17	/****
	18	* Routing/neighbour discovery messages.
	19	****/
	20
	21	/* Types of messages */
	22
	23	enum {
	24	RTM_BASE = 16,
	25	#define RTM_BASE RTM_BASE
	26
	27	RTM_NEWLINK = 16,
	28	#define RTM_NEWLINK RTM_NEWLINK
	29	RTM_DELLINK,
	30	#define RTM_DELLINK RTM_DELLINK
	31	RTM_GETLINK,
	32	#define RTM_GETLINK RTM_GETLINK
	33	RTM_SETLINK,
	34	#define RTM_SETLINK RTM_SETLINK
	35
	36	RTM_NEWADDR = 20,
	37	#define RTM_NEWADDR RTM_NEWADDR
	38	RTM_DELADDR,
	39	#define RTM_DELADDR RTM_DELADDR
	40	RTM_GETADDR,
	41	#define RTM_GETADDR RTM_GETADDR
	42
	43	RTM_NEWROUTE = 24,
	44	#define RTM_NEWROUTE RTM_NEWROUTE
	45	RTM_DELROUTE,
	46	#define RTM_DELROUTE RTM_DELROUTE
	47	RTM_GETROUTE,
	48	#define RTM_GETROUTE RTM_GETROUTE
	49
	50	RTM_NEWNEIGH = 28,
	51	#define RTM_NEWNEIGH RTM_NEWNEIGH
	52	RTM_DELNEIGH,
	53	#define RTM_DELNEIGH RTM_DELNEIGH
	54	RTM_GETNEIGH,
	55	#define RTM_GETNEIGH RTM_GETNEIGH
	56
	57	RTM_NEWRULE = 32,
	58	#define RTM_NEWRULE RTM_NEWRULE
	59	RTM_DELRULE,
	60	#define RTM_DELRULE RTM_DELRULE
	61	RTM_GETRULE,
	62	#define RTM_GETRULE RTM_GETRULE
	63
	64	RTM_NEWQDISC = 36,
65	#define RTM_NEWQDISC RTM_NEWQDISC
66	RTM_DELQDISC,
67	#define RTM_DELQDISC RTM_DELQDISC
68	RTM_GETQDISC,
69	#define RTM_GETQDISC RTM_GETQDISC
70
71	RTM_NEWTCLASS = 40,
72	#define RTM_NEWTCLASS RTM_NEWTCLASS
73	RTM_DELTCLASS,
74	#define RTM_DELTCLASS RTM_DELTCLASS
75	RTM_GETTCLASS,
76	#define RTM_GETTCLASS RTM_GETTCLASS
77
78	RTM_NEWTFILTER = 44,
79	#define RTM_NEWTFILTER RTM_NEWTFILTER
80	RTM_DELTFILTER,
81	#define RTM_DELTFILTER RTM_DELTFILTER
82	RTM_GETTFILTER,
83	#define RTM_GETTFILTER RTM_GETTFILTER
84
85	RTM_NEWACTION = 48,
86	#define RTM_NEWACTION RTM_NEWACTION
87	RTM_DELACTION,
88	#define RTM_DELACTION RTM_DELACTION
89	RTM_GETACTION,
90	#define RTM_GETACTION RTM_GETACTION
91
92	RTM_NEWPREFIX = 52,
93	#define RTM_NEWPREFIX RTM_NEWPREFIX
94
95	RTM_GETMULTICAST = 58,
96	#define RTM_GETMULTICAST RTM_GETMULTICAST
97
98	RTM_GETANYCAST = 62,
99	#define RTM_GETANYCAST RTM_GETANYCAST
100
101	RTM_NEWNEIGHTBL = 64,
102	#define RTM_NEWNEIGHTBL RTM_NEWNEIGHTBL
103	RTM_GETNEIGHTBL = 66,
104	#define RTM_GETNEIGHTBL RTM_GETNEIGHTBL
105	RTM_SETNEIGHTBL,
106	#define RTM_SETNEIGHTBL RTM_SETNEIGHTBL
107
108	RTM_NEWNDUSEROPT = 68,
109	#define RTM_NEWNDUSEROPT RTM_NEWNDUSEROPT
110
111	RTM_NEWADDRLABEL = 72,
112	#define RTM_NEWADDRLABEL RTM_NEWADDRLABEL
113	RTM_DELADDRLABEL,
114	#define RTM_DELADDRLABEL RTM_DELADDRLABEL
115	RTM_GETADDRLABEL,
116	#define RTM_GETADDRLABEL RTM_GETADDRLABEL
117
118	RTM_GETDCB = 78,
119	#define RTM_GETDCB RTM_GETDCB
120	RTM_SETDCB,
121	#define RTM_SETDCB RTM_SETDCB
122
123	__RTM_MAX,
124	#define RTM_MAX (((__RTM_MAX + 3) & ~3) - 1)
125	};
126
127	#define RTM_NR_MSGTYPES (RTM_MAX + 1 - RTM_BASE)
128	#define RTM_NR_FAMILIES (RTM_NR_MSGTYPES >> 2)
129	#define RTM_FAM(cmd) (((cmd) - RTM_BASE) >> 2)
130
131	/*
132	Generic structure for encapsulation of optional route information.
133	It is reminiscent of sockaddr, but with sa_family replaced
134	with attribute type.
135	*/
136
137	struct rtattr {
138	unsigned short rta_len;
139	unsigned short rta_type;
140	};
141
142	/* Macros to handle rtattributes */
143
144	#define RTA_ALIGNTO 4
145	#define RTA_ALIGN(len) ( ((len)+RTA_ALIGNTO-1) & ~(RTA_ALIGNTO-1) )
146	#define RTA_OK(rta,len) ((len) >= (int)sizeof(struct rtattr) && \
147	(rta)->rta_len >= sizeof(struct rtattr) && \
148	(rta)->rta_len <= (len))
149	#define RTA_NEXT(rta,attrlen) ((attrlen) -= RTA_ALIGN((rta)->rta_len), \
150	(struct rtattr)(((char)(rta)) + RTA_ALIGN((rta)->rta_len)))
151	#define RTA_LENGTH(len) (RTA_ALIGN(sizeof(struct rtattr)) + (len))
152	#define RTA_SPACE(len) RTA_ALIGN(RTA_LENGTH(len))
153	#define RTA_DATA(rta) ((void)(((char)(rta)) + RTA_LENGTH(0)))
154	#define RTA_PAYLOAD(rta) ((int)((rta)->rta_len) - RTA_LENGTH(0))
155
156
157
158
159	/******************************************************************************
160	* Definitions used in routing table administration.
161	****/
162
163	struct rtmsg {
164	unsigned char rtm_family;
165	unsigned char rtm_dst_len;
166	unsigned char rtm_src_len;
167	unsigned char rtm_tos;
168
169	unsigned char rtm_table; /* Routing table id */
170	unsigned char rtm_protocol; /* Routing protocol; see below */
171	unsigned char rtm_scope; /* See below */
172	unsigned char rtm_type; /* See below */
173
174	unsigned rtm_flags;
175	};
176
177	/* rtm_type */
178
179	enum {
180	RTN_UNSPEC,
181	RTN_UNICAST, /* Gateway or direct route */
182	RTN_LOCAL, /* Accept locally */
183	RTN_BROADCAST, /* Accept locally as broadcast,
184	send as broadcast */
185	RTN_ANYCAST, /* Accept locally as broadcast,
186	but send as unicast */
187	RTN_MULTICAST, /* Multicast route */
188	RTN_BLACKHOLE, /* Drop */
189	RTN_UNREACHABLE, /* Destination is unreachable */
190	RTN_PROHIBIT, /* Administratively prohibited */
191	RTN_THROW, /* Not in this table */
192	RTN_NAT, /* Translate this address */
193	RTN_XRESOLVE, /* Use external resolver */
194	__RTN_MAX
195	};
196
197	#define RTN_MAX (__RTN_MAX - 1)
198
199
200	/* rtm_protocol */
201
202	#define RTPROT_UNSPEC 0
203	#define RTPROT_REDIRECT 1 /* Route installed by ICMP redirects;
204	not used by current IPv4 */
205	#define RTPROT_KERNEL 2 /* Route installed by kernel */
206	#define RTPROT_BOOT 3 /* Route installed during boot */
207	#define RTPROT_STATIC 4 /* Route installed by administrator */
208
209	/* Values of protocol >= RTPROT_STATIC are not interpreted by kernel;
210	they are just passed from user and back as is.
211	It will be used by hypothetical multiple routing daemons.
212	Note that protocol values should be standardized in order to
213	avoid conflicts.
214	*/
215
216	#define RTPROT_GATED 8 /* Apparently, GateD */
217	#define RTPROT_RA 9 /* RDISC/ND router advertisements */
218	#define RTPROT_MRT 10 /* Merit MRT */
219	#define RTPROT_ZEBRA 11 /* Zebra */
220	#define RTPROT_BIRD 12 /* BIRD */
221	#define RTPROT_DNROUTED 13 /* DECnet routing daemon */
222	#define RTPROT_XORP 14 /* XORP */
223	#define RTPROT_NTK 15 /* Netsukuku */
224	#define RTPROT_DHCP 16 /* DHCP client */
225
226	/* rtm_scope
227
228	Really it is not scope, but sort of distance to the destination.
229	NOWHERE are reserved for not existing destinations, HOST is our
230	local addresses, LINK are destinations, located on directly attached
231	link and UNIVERSE is everywhere in the Universe.
232
233	Intermediate values are also possible f.e. interior routes
234	could be assigned a value between UNIVERSE and LINK.
235	*/
236
237	enum rt_scope_t {
238	RT_SCOPE_UNIVERSE=0,
239	/* User defined values */
240	RT_SCOPE_SITE=200,
241	RT_SCOPE_LINK=253,
242	RT_SCOPE_HOST=254,
243	RT_SCOPE_NOWHERE=255
244	};
245
246	/* rtm_flags */
247
248	#define RTM_F_NOTIFY 0x100 /* Notify user of route change */
249	#define RTM_F_CLONED 0x200 /* This route is cloned */
250	#define RTM_F_EQUALIZE 0x400 /* Multipath equalizer: NI */
251	#define RTM_F_PREFIX 0x800 /* Prefix addresses */
252
253	/* Reserved table identifiers */
254
255	enum rt_class_t {
256	RT_TABLE_UNSPEC=0,
257	/* User defined values */
258	RT_TABLE_COMPAT=252,
259	RT_TABLE_DEFAULT=253,
260	RT_TABLE_MAIN=254,
261	RT_TABLE_LOCAL=255,
262	RT_TABLE_MAX=0xFFFFFFFF
263	};
264
265
266	/* Routing message attributes */
267
268	enum rtattr_type_t {
269	RTA_UNSPEC,
270	RTA_DST,
271	RTA_SRC,
272	RTA_IIF,
273	RTA_OIF,
274	RTA_GATEWAY,
275	RTA_PRIORITY,
276	RTA_PREFSRC,
277	RTA_METRICS,
278	RTA_MULTIPATH,
279	RTA_PROTOINFO, /* no longer used */
280	RTA_FLOW,
281	RTA_CACHEINFO,
282	RTA_SESSION, /* no longer used */
283	RTA_MP_ALGO, /* no longer used */
284	RTA_TABLE,
285	RTA_MARK,
286	__RTA_MAX
287	};
288
289	#define RTA_MAX (__RTA_MAX - 1)
290
291	#define RTM_RTA(r) ((struct rtattr)(((char)(r)) + NLMSG_ALIGN(sizeof(struct rtmsg))))
292	#define RTM_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct rtmsg))
293
294	/* RTM_MULTIPATH --- array of struct rtnexthop.
295	*
296	* "struct rtnexthop" describes all necessary nexthop information,
297	* i.e. parameters of path to a destination via this nexthop.
298	*
299	* At the moment it is impossible to set different prefsrc, mtu, window
300	* and rtt for different paths from multipath.
301	*/
302
303	struct rtnexthop {
304	unsigned short rtnh_len;
305	unsigned char rtnh_flags;
306	unsigned char rtnh_hops;
307	int rtnh_ifindex;
308	};
309
310	/* rtnh_flags */
311
312	#define RTNH_F_DEAD 1 /* Nexthop is dead (used by multipath) */
313	#define RTNH_F_PERVASIVE 2 /* Do recursive gateway lookup */
314	#define RTNH_F_ONLINK 4 /* Gateway is forced on link */
315
316	/* Macros to handle hexthops */
317
318	#define RTNH_ALIGNTO 4
319	#define RTNH_ALIGN(len) ( ((len)+RTNH_ALIGNTO-1) & ~(RTNH_ALIGNTO-1) )
320	#define RTNH_OK(rtnh,len) ((rtnh)->rtnh_len >= sizeof(struct rtnexthop) && \
321	((int)(rtnh)->rtnh_len) <= (len))
322	#define RTNH_NEXT(rtnh) ((struct rtnexthop)(((char)(rtnh)) + RTNH_ALIGN((rtnh)->rtnh_len)))
323	#define RTNH_LENGTH(len) (RTNH_ALIGN(sizeof(struct rtnexthop)) + (len))
324	#define RTNH_SPACE(len) RTNH_ALIGN(RTNH_LENGTH(len))
325	#define RTNH_DATA(rtnh) ((struct rtattr)(((char)(rtnh)) + RTNH_LENGTH(0)))
326
327	/* RTM_CACHEINFO */
328
329	struct rta_cacheinfo {
330	__u32 rta_clntref;
331	__u32 rta_lastuse;
332	__s32 rta_expires;
333	__u32 rta_error;
334	__u32 rta_used;
335
336	#define RTNETLINK_HAVE_PEERINFO 1
337	__u32 rta_id;
338	__u32 rta_ts;
339	__u32 rta_tsage;
340	};
341
342	/* RTM_METRICS --- array of struct rtattr with types of RTAX_* */
343
344	enum {
345	RTAX_UNSPEC,
346	#define RTAX_UNSPEC RTAX_UNSPEC
347	RTAX_LOCK,
348	#define RTAX_LOCK RTAX_LOCK
349	RTAX_MTU,
350	#define RTAX_MTU RTAX_MTU
351	RTAX_WINDOW,
352	#define RTAX_WINDOW RTAX_WINDOW
353	RTAX_RTT,
354	#define RTAX_RTT RTAX_RTT
355	RTAX_RTTVAR,
356	#define RTAX_RTTVAR RTAX_RTTVAR
357	RTAX_SSTHRESH,
358	#define RTAX_SSTHRESH RTAX_SSTHRESH
359	RTAX_CWND,
360	#define RTAX_CWND RTAX_CWND
361	RTAX_ADVMSS,
362	#define RTAX_ADVMSS RTAX_ADVMSS
363	RTAX_REORDERING,
364	#define RTAX_REORDERING RTAX_REORDERING
365	RTAX_HOPLIMIT,
366	#define RTAX_HOPLIMIT RTAX_HOPLIMIT
367	RTAX_INITCWND,
368	#define RTAX_INITCWND RTAX_INITCWND
369	RTAX_FEATURES,
370	#define RTAX_FEATURES RTAX_FEATURES
371	RTAX_RTO_MIN,
372	#define RTAX_RTO_MIN RTAX_RTO_MIN
373	RTAX_INITRWND,
374	#define RTAX_INITRWND RTAX_INITRWND
375	__RTAX_MAX
376	};
377
378	#define RTAX_MAX (__RTAX_MAX - 1)
379
380	#define RTAX_FEATURE_ECN 0x00000001
381	#define RTAX_FEATURE_SACK 0x00000002
382	#define RTAX_FEATURE_TIMESTAMP 0x00000004
383	#define RTAX_FEATURE_ALLFRAG 0x00000008
384
385	struct rta_session {
386	__u8 proto;
387	__u8 pad1;
388	__u16 pad2;
389
390	union {
391	struct {
392	__u16 sport;
393	__u16 dport;
394	} ports;
395
396	struct {
397	__u8 type;
398	__u8 code;
399	__u16 ident;
400	} icmpt;
401
402	__u32 spi;
403	} u;
404	};
405
406	/****
407	* General form of address family dependent message.
408	****/
409
410	struct rtgenmsg {
411	unsigned char rtgen_family;
412	};
413
414	/*****************************************************************
415	* Link layer specific messages.
416	****/
417
418	/* struct ifinfomsg
419	* passes link level specific information, not dependent
420	* on network protocol.
421	*/
422
423	struct ifinfomsg {
424	unsigned char ifi_family;
425	unsigned char __ifi_pad;
426	unsigned short ifi_type; /* ARPHRD_* */
427	int ifi_index; /* Link index */
428	unsigned ifi_flags; /* IFF_* flags */
429	unsigned ifi_change; /* IFF_* change mask */
430	};
431
432	/********************************************************************
433	* prefix information
434	****/
435
436	struct prefixmsg {
437	unsigned char prefix_family;
438	unsigned char prefix_pad1;
439	unsigned short prefix_pad2;
440	int prefix_ifindex;
441	unsigned char prefix_type;
442	unsigned char prefix_len;
443	unsigned char prefix_flags;
444	unsigned char prefix_pad3;
445	};
446
447	enum
448	{
449	PREFIX_UNSPEC,
450	PREFIX_ADDRESS,
451	PREFIX_CACHEINFO,
452	__PREFIX_MAX
453	};
454
455	#define PREFIX_MAX (__PREFIX_MAX - 1)
456
457	struct prefix_cacheinfo {
458	__u32 preferred_time;
459	__u32 valid_time;
460	};
461
462
463	/*****************************************************************
464	* Traffic control messages.
465	****/
466
467	struct tcmsg {
468	unsigned char tcm_family;
469	unsigned char tcm__pad1;
470	unsigned short tcm__pad2;
471	int tcm_ifindex;
472	__u32 tcm_handle;
473	__u32 tcm_parent;
474	__u32 tcm_info;
475	};
476
477	enum {
478	TCA_UNSPEC,
479	TCA_KIND,
480	TCA_OPTIONS,
481	TCA_STATS,
482	TCA_XSTATS,
483	TCA_RATE,
484	TCA_FCNT,
485	TCA_STATS2,
486	TCA_STAB,
487	__TCA_MAX
488	};
489
490	#define TCA_MAX (__TCA_MAX - 1)
491
492	#define TCA_RTA(r) ((struct rtattr)(((char)(r)) + NLMSG_ALIGN(sizeof(struct tcmsg))))
493	#define TCA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcmsg))
494
495	/********************************************************************
496	* Neighbor Discovery userland options
497	****/
498
499	struct nduseroptmsg {
500	unsigned char nduseropt_family;
501	unsigned char nduseropt_pad1;
502	unsigned short nduseropt_opts_len; /* Total length of options */
503	int nduseropt_ifindex;
504	__u8 nduseropt_icmp_type;
505	__u8 nduseropt_icmp_code;
506	unsigned short nduseropt_pad2;
507	unsigned int nduseropt_pad3;
508	/* Followed by one or more ND options */
509	};
510
511	enum {
512	NDUSEROPT_UNSPEC,
513	NDUSEROPT_SRCADDR,
514	__NDUSEROPT_MAX
515	};
516
517	#define NDUSEROPT_MAX (__NDUSEROPT_MAX - 1)
518
519	#ifndef __KERNEL__
520	/* RTnetlink multicast groups - backwards compatibility for userspace */
521	#define RTMGRP_LINK 1
522	#define RTMGRP_NOTIFY 2
523	#define RTMGRP_NEIGH 4
524	#define RTMGRP_TC 8
525
526	#define RTMGRP_IPV4_IFADDR 0x10
527	#define RTMGRP_IPV4_MROUTE 0x20
528	#define RTMGRP_IPV4_ROUTE 0x40
529	#define RTMGRP_IPV4_RULE 0x80
530
531	#define RTMGRP_IPV6_IFADDR 0x100
532	#define RTMGRP_IPV6_MROUTE 0x200
533	#define RTMGRP_IPV6_ROUTE 0x400
534	#define RTMGRP_IPV6_IFINFO 0x800
535
536	#define RTMGRP_DECnet_IFADDR 0x1000
537	#define RTMGRP_DECnet_ROUTE 0x4000
538
539	#define RTMGRP_IPV6_PREFIX 0x20000
540	#endif
541
542	/* RTnetlink multicast groups */
543	enum rtnetlink_groups {
544	RTNLGRP_NONE,
545	#define RTNLGRP_NONE RTNLGRP_NONE
546	RTNLGRP_LINK,
547	#define RTNLGRP_LINK RTNLGRP_LINK
548	RTNLGRP_NOTIFY,
549	#define RTNLGRP_NOTIFY RTNLGRP_NOTIFY
550	RTNLGRP_NEIGH,
551	#define RTNLGRP_NEIGH RTNLGRP_NEIGH
552	RTNLGRP_TC,
553	#define RTNLGRP_TC RTNLGRP_TC
554	RTNLGRP_IPV4_IFADDR,
555	#define RTNLGRP_IPV4_IFADDR RTNLGRP_IPV4_IFADDR
556	RTNLGRP_IPV4_MROUTE,
557	#define RTNLGRP_IPV4_MROUTE RTNLGRP_IPV4_MROUTE
558	RTNLGRP_IPV4_ROUTE,
559	#define RTNLGRP_IPV4_ROUTE RTNLGRP_IPV4_ROUTE
560	RTNLGRP_IPV4_RULE,
561	#define RTNLGRP_IPV4_RULE RTNLGRP_IPV4_RULE
562	RTNLGRP_IPV6_IFADDR,
563	#define RTNLGRP_IPV6_IFADDR RTNLGRP_IPV6_IFADDR
564	RTNLGRP_IPV6_MROUTE,
565	#define RTNLGRP_IPV6_MROUTE RTNLGRP_IPV6_MROUTE
566	RTNLGRP_IPV6_ROUTE,
567	#define RTNLGRP_IPV6_ROUTE RTNLGRP_IPV6_ROUTE
568	RTNLGRP_IPV6_IFINFO,
569	#define RTNLGRP_IPV6_IFINFO RTNLGRP_IPV6_IFINFO
570	RTNLGRP_DECnet_IFADDR,
571	#define RTNLGRP_DECnet_IFADDR RTNLGRP_DECnet_IFADDR
572	RTNLGRP_NOP2,
573	RTNLGRP_DECnet_ROUTE,
574	#define RTNLGRP_DECnet_ROUTE RTNLGRP_DECnet_ROUTE
575	RTNLGRP_DECnet_RULE,
576	#define RTNLGRP_DECnet_RULE RTNLGRP_DECnet_RULE
577	RTNLGRP_NOP4,
578	RTNLGRP_IPV6_PREFIX,
579	#define RTNLGRP_IPV6_PREFIX RTNLGRP_IPV6_PREFIX
580	RTNLGRP_IPV6_RULE,
581	#define RTNLGRP_IPV6_RULE RTNLGRP_IPV6_RULE
582	RTNLGRP_ND_USEROPT,
583	#define RTNLGRP_ND_USEROPT RTNLGRP_ND_USEROPT
584	RTNLGRP_PHONET_IFADDR,
585	#define RTNLGRP_PHONET_IFADDR RTNLGRP_PHONET_IFADDR
586	RTNLGRP_PHONET_ROUTE,
587	#define RTNLGRP_PHONET_ROUTE RTNLGRP_PHONET_ROUTE
588	RTNLGRP_DCB,
589	#define RTNLGRP_DCB RTNLGRP_DCB
590	__RTNLGRP_MAX
591	};
592	#define RTNLGRP_MAX (__RTNLGRP_MAX - 1)
593
594	/* TC action piece */
595	struct tcamsg {
596	unsigned char tca_family;
597	unsigned char tca__pad1;
598	unsigned short tca__pad2;
599	};
600	#define TA_RTA(r) ((struct rtattr)(((char)(r)) + NLMSG_ALIGN(sizeof(struct tcamsg))))
601	#define TA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcamsg))
602	#define TCA_ACT_TAB 1 /* attr type must be >=1 */
603	#define TCAA_MAX 1
604
605	/* New extended info filters for IFLA_EXT_MASK */
606	#define RTEXT_FILTER_VF (1 << 0)
607
608	/* End of information exported to user level */
609
610
611
612	#endif /* _UAPI__LINUX_RTNETLINK_H */