[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
	130	struct rtattr
	131	{
	132	unsigned short rta_len;
	133	unsigned short rta_type;
	134	};
	135
	136	/* Macros to handle rtattributes */
	137
	138	#define RTA_ALIGNTO 4
	139	#define RTA_ALIGN(len) ( ((len)+RTA_ALIGNTO-1) & ~(RTA_ALIGNTO-1) )
	140	#define RTA_OK(rta,len) ((len) >= (int)sizeof(struct rtattr) && \
	141	(rta)->rta_len >= sizeof(struct rtattr) && \
	142	(rta)->rta_len <= (len))
	143	#define RTA_NEXT(rta,attrlen) ((attrlen) -= RTA_ALIGN((rta)->rta_len), \
	144	(struct rtattr)(((char)(rta)) + RTA_ALIGN((rta)->rta_len)))
	145	#define RTA_LENGTH(len) (RTA_ALIGN(sizeof(struct rtattr)) + (len))
	146	#define RTA_SPACE(len) RTA_ALIGN(RTA_LENGTH(len))
	147	#define RTA_DATA(rta) ((void)(((char)(rta)) + RTA_LENGTH(0)))
	148	#define RTA_PAYLOAD(rta) ((int)((rta)->rta_len) - RTA_LENGTH(0))
	149
	150
	151
	152
	153	/******************************************************************************
	154	* Definitions used in routing table administration.
	155	****/
	156
	157	struct rtmsg
	158	{
	159	unsigned char rtm_family;
	160	unsigned char rtm_dst_len;
	161	unsigned char rtm_src_len;
	162	unsigned char rtm_tos;
	163
	164	unsigned char rtm_table; /* Routing table id */
	165	unsigned char rtm_protocol; /* Routing protocol; see below */
	166	unsigned char rtm_scope; /* See below */
	167	unsigned char rtm_type; /* See below */
	168
	169	unsigned rtm_flags;
	170	};
	171
	172	/* rtm_type */
	173
	174	enum
	175	{
	176	RTN_UNSPEC,
	177	RTN_UNICAST, /* Gateway or direct route */
	178	RTN_LOCAL, /* Accept locally */
	179	RTN_BROADCAST, /* Accept locally as broadcast,
	180	send as broadcast */
	181	RTN_ANYCAST, /* Accept locally as broadcast,
	182	but send as unicast */
	183	RTN_MULTICAST, /* Multicast route */
	184	RTN_BLACKHOLE, /* Drop */
	185	RTN_UNREACHABLE, /* Destination is unreachable */
	186	RTN_PROHIBIT, /* Administratively prohibited */
	187	RTN_THROW, /* Not in this table */
188	RTN_NAT, /* Translate this address */
189	RTN_XRESOLVE, /* Use external resolver */
190	__RTN_MAX
191	};
192
193	#define RTN_MAX (__RTN_MAX - 1)
194
195
196	/* rtm_protocol */
197
198	#define RTPROT_UNSPEC 0
199	#define RTPROT_REDIRECT 1 /* Route installed by ICMP redirects;
200	not used by current IPv4 */
201	#define RTPROT_KERNEL 2 /* Route installed by kernel */
202	#define RTPROT_BOOT 3 /* Route installed during boot */
203	#define RTPROT_STATIC 4 /* Route installed by administrator */
204
205	/* Values of protocol >= RTPROT_STATIC are not interpreted by kernel;
206	they are just passed from user and back as is.
207	It will be used by hypothetical multiple routing daemons.
208	Note that protocol values should be standardized in order to
209	avoid conflicts.
210	*/
211
212	#define RTPROT_GATED 8 /* Apparently, GateD */
213	#define RTPROT_RA 9 /* RDISC/ND router advertisements */
214	#define RTPROT_MRT 10 /* Merit MRT */
215	#define RTPROT_ZEBRA 11 /* Zebra */
216	#define RTPROT_BIRD 12 /* BIRD */
217	#define RTPROT_DNROUTED 13 /* DECnet routing daemon */
218	#define RTPROT_XORP 14 /* XORP */
40b6c62c	219	#define RTPROT_NTK 15 /* Netsukuku */
67881151	220	#define RTPROT_DHCP 16 /* DHCP client */
0633baa1 SH	221
	222	/* rtm_scope
	223
	224	Really it is not scope, but sort of distance to the destination.
	225	NOWHERE are reserved for not existing destinations, HOST is our
	226	local addresses, LINK are destinations, located on directly attached
	227	link and UNIVERSE is everywhere in the Universe.
	228
	229	Intermediate values are also possible f.e. interior routes
	230	could be assigned a value between UNIVERSE and LINK.
	231	*/
	232
	233	enum rt_scope_t
	234	{
	235	RT_SCOPE_UNIVERSE=0,
	236	/* User defined values */
	237	RT_SCOPE_SITE=200,
	238	RT_SCOPE_LINK=253,
	239	RT_SCOPE_HOST=254,
	240	RT_SCOPE_NOWHERE=255
	241	};
	242
	243	/* rtm_flags */
	244
	245	#define RTM_F_NOTIFY 0x100 /* Notify user of route change */
	246	#define RTM_F_CLONED 0x200 /* This route is cloned */
	247	#define RTM_F_EQUALIZE 0x400 /* Multipath equalizer: NI */
	248	#define RTM_F_PREFIX 0x800 /* Prefix addresses */
	249
	250	/* Reserved table identifiers */
	251
	252	enum rt_class_t
	253	{
	254	RT_TABLE_UNSPEC=0,
	255	/* User defined values */
3ea2fb98	256	RT_TABLE_COMPAT=252,
0633baa1 SH	257	RT_TABLE_DEFAULT=253,
	258	RT_TABLE_MAIN=254,
	259	RT_TABLE_LOCAL=255,
ead2ba70	260	RT_TABLE_MAX=0xFFFFFFFF
0633baa1	261	};
0633baa1 SH	262
	263
	264	/* Routing message attributes */
	265
	266	enum rtattr_type_t
	267	{
	268	RTA_UNSPEC,
	269	RTA_DST,
	270	RTA_SRC,
	271	RTA_IIF,
	272	RTA_OIF,
	273	RTA_GATEWAY,
	274	RTA_PRIORITY,
	275	RTA_PREFSRC,
	276	RTA_METRICS,
	277	RTA_MULTIPATH,
3ea2fb98	278	RTA_PROTOINFO, /* no longer used */
0633baa1 SH	279	RTA_FLOW,
0633baa1 SH	280	RTA_CACHEINFO,
3ea2fb98	281	RTA_SESSION, /* no longer used */
a6ffa8b0	282	RTA_MP_ALGO, /* no longer used */
34e95647	283	RTA_TABLE,
0633baa1 SH	284	__RTA_MAX
	285	};
	286
	287	#define RTA_MAX (__RTA_MAX - 1)
	288
	289	#define RTM_RTA(r) ((struct rtattr)(((char)(r)) + NLMSG_ALIGN(sizeof(struct rtmsg))))
	290	#define RTM_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct rtmsg))
	291
	292	/* RTM_MULTIPATH --- array of struct rtnexthop.
	293	*
	294	* "struct rtnexthop" describes all necessary nexthop information,
	295	* i.e. parameters of path to a destination via this nexthop.
	296	*
	297	* At the moment it is impossible to set different prefsrc, mtu, window
	298	* and rtt for different paths from multipath.
	299	*/
	300
	301	struct rtnexthop
	302	{
	303	unsigned short rtnh_len;
	304	unsigned char rtnh_flags;
	305	unsigned char rtnh_hops;
	306	int rtnh_ifindex;
	307	};
	308
	309	/* rtnh_flags */
	310
	311	#define RTNH_F_DEAD 1 /* Nexthop is dead (used by multipath) */
	312	#define RTNH_F_PERVASIVE 2 /* Do recursive gateway lookup */
	313	#define RTNH_F_ONLINK 4 /* Gateway is forced on link */
	314
	315	/* Macros to handle hexthops */
	316
	317	#define RTNH_ALIGNTO 4
	318	#define RTNH_ALIGN(len) ( ((len)+RTNH_ALIGNTO-1) & ~(RTNH_ALIGNTO-1) )
	319	#define RTNH_OK(rtnh,len) ((rtnh)->rtnh_len >= sizeof(struct rtnexthop) && \
	320	((int)(rtnh)->rtnh_len) <= (len))
	321	#define RTNH_NEXT(rtnh) ((struct rtnexthop)(((char)(rtnh)) + RTNH_ALIGN((rtnh)->rtnh_len)))
	322	#define RTNH_LENGTH(len) (RTNH_ALIGN(sizeof(struct rtnexthop)) + (len))
	323	#define RTNH_SPACE(len) RTNH_ALIGN(RTNH_LENGTH(len))
	324	#define RTNH_DATA(rtnh) ((struct rtattr)(((char)(rtnh)) + RTNH_LENGTH(0)))
	325
	326	/* RTM_CACHEINFO */
	327
	328	struct rta_cacheinfo
	329	{
	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	{
	346	RTAX_UNSPEC,
	347	#define RTAX_UNSPEC RTAX_UNSPEC
348	RTAX_LOCK,
349	#define RTAX_LOCK RTAX_LOCK
350	RTAX_MTU,
351	#define RTAX_MTU RTAX_MTU
352	RTAX_WINDOW,
353	#define RTAX_WINDOW RTAX_WINDOW
354	RTAX_RTT,
355	#define RTAX_RTT RTAX_RTT
356	RTAX_RTTVAR,
357	#define RTAX_RTTVAR RTAX_RTTVAR
358	RTAX_SSTHRESH,
359	#define RTAX_SSTHRESH RTAX_SSTHRESH
360	RTAX_CWND,
361	#define RTAX_CWND RTAX_CWND
362	RTAX_ADVMSS,
363	#define RTAX_ADVMSS RTAX_ADVMSS
364	RTAX_REORDERING,
365	#define RTAX_REORDERING RTAX_REORDERING
366	RTAX_HOPLIMIT,
367	#define RTAX_HOPLIMIT RTAX_HOPLIMIT
368	RTAX_INITCWND,
369	#define RTAX_INITCWND RTAX_INITCWND
370	RTAX_FEATURES,
371	#define RTAX_FEATURES RTAX_FEATURES
dfd26e1c SH	372	RTAX_RTO_MIN,
dfd26e1c SH	373	#define RTAX_RTO_MIN RTAX_RTO_MIN
0633baa1 SH	374	__RTAX_MAX
	375	};
	376
	377	#define RTAX_MAX (__RTAX_MAX - 1)
	378
	379	#define RTAX_FEATURE_ECN 0x00000001
	380	#define RTAX_FEATURE_SACK 0x00000002
	381	#define RTAX_FEATURE_TIMESTAMP 0x00000004
206a0441	382	#define RTAX_FEATURE_ALLFRAG 0x00000008
0633baa1 SH	383
	384	struct rta_session
	385	{
	386	__u8 proto;
6864c1e7 SH	387	__u8 pad1;
6864c1e7 SH	388	__u16 pad2;
0633baa1 SH	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
0633baa1 SH	406	/****
	407	* General form of address family dependent message.
	408	****/
	409
	410	struct rtgenmsg
	411	{
	412	unsigned char rtgen_family;
	413	};
	414
	415	/*****************************************************************
	416	* Link layer specific messages.
	417	****/
	418
	419	/* struct ifinfomsg
	420	* passes link level specific information, not dependent
	421	* on network protocol.
	422	*/
	423
	424	struct ifinfomsg
	425	{
	426	unsigned char ifi_family;
	427	unsigned char __ifi_pad;
	428	unsigned short ifi_type; /* ARPHRD_* */
	429	int ifi_index; /* Link index */
	430	unsigned ifi_flags; /* IFF_* flags */
	431	unsigned ifi_change; /* IFF_* change mask */
	432	};
	433
	434	/********************************************************************
	435	* prefix information
	436	****/
	437
	438	struct prefixmsg
	439	{
	440	unsigned char prefix_family;
6864c1e7 SH	441	unsigned char prefix_pad1;
6864c1e7 SH	442	unsigned short prefix_pad2;
0633baa1 SH	443	int prefix_ifindex;
	444	unsigned char prefix_type;
	445	unsigned char prefix_len;
	446	unsigned char prefix_flags;
6864c1e7	447	unsigned char prefix_pad3;
0633baa1 SH	448	};
	449
	450	enum
	451	{
	452	PREFIX_UNSPEC,
	453	PREFIX_ADDRESS,
	454	PREFIX_CACHEINFO,
	455	__PREFIX_MAX
	456	};
	457
	458	#define PREFIX_MAX (__PREFIX_MAX - 1)
	459
	460	struct prefix_cacheinfo
	461	{
	462	__u32 preferred_time;
	463	__u32 valid_time;
	464	};
	465
0633baa1 SH	466
	467	/*****************************************************************
	468	* Traffic control messages.
	469	****/
	470
	471	struct tcmsg
	472	{
	473	unsigned char tcm_family;
	474	unsigned char tcm__pad1;
	475	unsigned short tcm__pad2;
	476	int tcm_ifindex;
	477	__u32 tcm_handle;
	478	__u32 tcm_parent;
	479	__u32 tcm_info;
	480	};
	481
	482	enum
	483	{
	484	TCA_UNSPEC,
	485	TCA_KIND,
	486	TCA_OPTIONS,
	487	TCA_STATS,
	488	TCA_XSTATS,
	489	TCA_RATE,
	490	TCA_FCNT,
e5879dc6	491	TCA_STATS2,
19ecc16d	492	TCA_STAB,
0633baa1 SH	493	__TCA_MAX
	494	};
	495
	496	#define TCA_MAX (__TCA_MAX - 1)
	497
	498	#define TCA_RTA(r) ((struct rtattr)(((char)(r)) + NLMSG_ALIGN(sizeof(struct tcmsg))))
	499	#define TCA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcmsg))
	500
5472ac6f SH	501	/********************************************************************
	502	* Neighbor Discovery userland options
	503	****/
	504
	505	struct nduseroptmsg
	506	{
	507	unsigned char nduseropt_family;
	508	unsigned char nduseropt_pad1;
	509	unsigned short nduseropt_opts_len; /* Total length of options */
	510	int nduseropt_ifindex;
	511	__u8 nduseropt_icmp_type;
	512	__u8 nduseropt_icmp_code;
	513	unsigned short nduseropt_pad2;
	514	unsigned int nduseropt_pad3;
	515	/* Followed by one or more ND options */
	516	};
	517
	518	enum
	519	{
	520	NDUSEROPT_UNSPEC,
	521	NDUSEROPT_SRCADDR,
	522	__NDUSEROPT_MAX
	523	};
	524
	525	#define NDUSEROPT_MAX (__NDUSEROPT_MAX - 1)
	526
351efcde	527	/* RTnetlink multicast groups - backwards compatibility for userspace */
0633baa1 SH	528	#define RTMGRP_LINK 1
	529	#define RTMGRP_NOTIFY 2
	530	#define RTMGRP_NEIGH 4
	531	#define RTMGRP_TC 8
	532
	533	#define RTMGRP_IPV4_IFADDR 0x10
	534	#define RTMGRP_IPV4_MROUTE 0x20
	535	#define RTMGRP_IPV4_ROUTE 0x40
8f8a3648	536	#define RTMGRP_IPV4_RULE 0x80
0633baa1 SH	537
	538	#define RTMGRP_IPV6_IFADDR 0x100
	539	#define RTMGRP_IPV6_MROUTE 0x200
	540	#define RTMGRP_IPV6_ROUTE 0x400
	541	#define RTMGRP_IPV6_IFINFO 0x800
	542
	543	#define RTMGRP_DECnet_IFADDR 0x1000
	544	#define RTMGRP_DECnet_ROUTE 0x4000
	545
	546	#define RTMGRP_IPV6_PREFIX 0x20000
	547
351efcde SH	548	/* RTnetlink multicast groups */
	549	enum rtnetlink_groups {
	550	RTNLGRP_NONE,
	551	#define RTNLGRP_NONE RTNLGRP_NONE
	552	RTNLGRP_LINK,
	553	#define RTNLGRP_LINK RTNLGRP_LINK
	554	RTNLGRP_NOTIFY,
	555	#define RTNLGRP_NOTIFY RTNLGRP_NOTIFY
	556	RTNLGRP_NEIGH,
	557	#define RTNLGRP_NEIGH RTNLGRP_NEIGH
	558	RTNLGRP_TC,
	559	#define RTNLGRP_TC RTNLGRP_TC
	560	RTNLGRP_IPV4_IFADDR,
	561	#define RTNLGRP_IPV4_IFADDR RTNLGRP_IPV4_IFADDR
	562	RTNLGRP_IPV4_MROUTE,
	563	#define RTNLGRP_IPV4_MROUTE RTNLGRP_IPV4_MROUTE
	564	RTNLGRP_IPV4_ROUTE,
	565	#define RTNLGRP_IPV4_ROUTE RTNLGRP_IPV4_ROUTE
8f8a3648 SH	566	RTNLGRP_IPV4_RULE,
8f8a3648 SH	567	#define RTNLGRP_IPV4_RULE RTNLGRP_IPV4_RULE
351efcde SH	568	RTNLGRP_IPV6_IFADDR,
	569	#define RTNLGRP_IPV6_IFADDR RTNLGRP_IPV6_IFADDR
	570	RTNLGRP_IPV6_MROUTE,
	571	#define RTNLGRP_IPV6_MROUTE RTNLGRP_IPV6_MROUTE
	572	RTNLGRP_IPV6_ROUTE,
	573	#define RTNLGRP_IPV6_ROUTE RTNLGRP_IPV6_ROUTE
	574	RTNLGRP_IPV6_IFINFO,
	575	#define RTNLGRP_IPV6_IFINFO RTNLGRP_IPV6_IFINFO
	576	RTNLGRP_DECnet_IFADDR,
	577	#define RTNLGRP_DECnet_IFADDR RTNLGRP_DECnet_IFADDR
09954dc6	578	RTNLGRP_NOP2,
351efcde SH	579	RTNLGRP_DECnet_ROUTE,
351efcde SH	580	#define RTNLGRP_DECnet_ROUTE RTNLGRP_DECnet_ROUTE
ead2ba70 SH	581	RTNLGRP_DECnet_RULE,
ead2ba70 SH	582	#define RTNLGRP_DECnet_RULE RTNLGRP_DECnet_RULE
09954dc6	583	RTNLGRP_NOP4,
351efcde SH	584	RTNLGRP_IPV6_PREFIX,
351efcde SH	585	#define RTNLGRP_IPV6_PREFIX RTNLGRP_IPV6_PREFIX
ead2ba70 SH	586	RTNLGRP_IPV6_RULE,
ead2ba70 SH	587	#define RTNLGRP_IPV6_RULE RTNLGRP_IPV6_RULE
5472ac6f SH	588	RTNLGRP_ND_USEROPT,
5472ac6f SH	589	#define RTNLGRP_ND_USEROPT RTNLGRP_ND_USEROPT
05bfd165 SH	590	RTNLGRP_PHONET_IFADDR,
	591	#define RTNLGRP_PHONET_IFADDR RTNLGRP_PHONET_IFADDR
	592	RTNLGRP_PHONET_ROUTE,
	593	#define RTNLGRP_PHONET_ROUTE RTNLGRP_PHONET_ROUTE
351efcde SH	594	__RTNLGRP_MAX
	595	};
	596	#define RTNLGRP_MAX (__RTNLGRP_MAX - 1)
	597
0633baa1 SH	598	/* TC action piece */
	599	struct tcamsg
	600	{
	601	unsigned char tca_family;
	602	unsigned char tca__pad1;
	603	unsigned short tca__pad2;
	604	};
	605	#define TA_RTA(r) ((struct rtattr)(((char)(r)) + NLMSG_ALIGN(sizeof(struct tcamsg))))
	606	#define TA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcamsg))
	607	#define TCA_ACT_TAB 1 /* attr type must be >=1 */
	608	#define TCAA_MAX 1
	609
	610	/* End of information exported to user level */
	611
	612
	613
	614	#endif /* __LINUX_RTNETLINK_H */