The C and C++ Include Header Files

/usr/include/linux/rtnetlink.h


$ cat -n /usr/include/linux/rtnetlink.h

     1	/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
     2	#ifndef __LINUX_RTNETLINK_H
     3	#define __LINUX_RTNETLINK_H
     4	
     5	#include <linux/types.h>
     6	#include <linux/netlink.h>
     7	#include <linux/if_link.h>
     8	#include <linux/if_addr.h>
     9	#include <linux/neighbour.h>
    10	
    11	/* rtnetlink families. Values up to 127 are reserved for real address
    12	 * families, values above 128 may be used arbitrarily.
    13	 */
    14	#define RTNL_FAMILY_IPMR		128
    15	#define RTNL_FAMILY_IP6MR		129
    16	#define RTNL_FAMILY_MAX			129
    17	
    18	/****
    19	 *		Routing/neighbour discovery messages.
    20	 ****/
    21	
    22	/* Types of messages */
    23	
    24	enum {
    25		RTM_BASE	= 16,
    26	#define RTM_BASE	RTM_BASE
    27	
    28		RTM_NEWLINK	= 16,
    29	#define RTM_NEWLINK	RTM_NEWLINK
    30		RTM_DELLINK,
    31	#define RTM_DELLINK	RTM_DELLINK
    32		RTM_GETLINK,
    33	#define RTM_GETLINK	RTM_GETLINK
    34		RTM_SETLINK,
    35	#define RTM_SETLINK	RTM_SETLINK
    36	
    37		RTM_NEWADDR	= 20,
    38	#define RTM_NEWADDR	RTM_NEWADDR
    39		RTM_DELADDR,
    40	#define RTM_DELADDR	RTM_DELADDR
    41		RTM_GETADDR,
    42	#define RTM_GETADDR	RTM_GETADDR
    43	
    44		RTM_NEWROUTE	= 24,
    45	#define RTM_NEWROUTE	RTM_NEWROUTE
    46		RTM_DELROUTE,
    47	#define RTM_DELROUTE	RTM_DELROUTE
    48		RTM_GETROUTE,
    49	#define RTM_GETROUTE	RTM_GETROUTE
    50	
    51		RTM_NEWNEIGH	= 28,
    52	#define RTM_NEWNEIGH	RTM_NEWNEIGH
    53		RTM_DELNEIGH,
    54	#define RTM_DELNEIGH	RTM_DELNEIGH
    55		RTM_GETNEIGH,
    56	#define RTM_GETNEIGH	RTM_GETNEIGH
    57	
    58		RTM_NEWRULE	= 32,
    59	#define RTM_NEWRULE	RTM_NEWRULE
    60		RTM_DELRULE,
    61	#define RTM_DELRULE	RTM_DELRULE
    62		RTM_GETRULE,
    63	#define RTM_GETRULE	RTM_GETRULE
    64	
    65		RTM_NEWQDISC	= 36,
    66	#define RTM_NEWQDISC	RTM_NEWQDISC
    67		RTM_DELQDISC,
    68	#define RTM_DELQDISC	RTM_DELQDISC
    69		RTM_GETQDISC,
    70	#define RTM_GETQDISC	RTM_GETQDISC
    71	
    72		RTM_NEWTCLASS	= 40,
    73	#define RTM_NEWTCLASS	RTM_NEWTCLASS
    74		RTM_DELTCLASS,
    75	#define RTM_DELTCLASS	RTM_DELTCLASS
    76		RTM_GETTCLASS,
    77	#define RTM_GETTCLASS	RTM_GETTCLASS
    78	
    79		RTM_NEWTFILTER	= 44,
    80	#define RTM_NEWTFILTER	RTM_NEWTFILTER
    81		RTM_DELTFILTER,
    82	#define RTM_DELTFILTER	RTM_DELTFILTER
    83		RTM_GETTFILTER,
    84	#define RTM_GETTFILTER	RTM_GETTFILTER
    85	
    86		RTM_NEWACTION	= 48,
    87	#define RTM_NEWACTION   RTM_NEWACTION
    88		RTM_DELACTION,
    89	#define RTM_DELACTION   RTM_DELACTION
    90		RTM_GETACTION,
    91	#define RTM_GETACTION   RTM_GETACTION
    92	
    93		RTM_NEWPREFIX	= 52,
    94	#define RTM_NEWPREFIX	RTM_NEWPREFIX
    95	
    96		RTM_GETMULTICAST = 58,
    97	#define RTM_GETMULTICAST RTM_GETMULTICAST
    98	
    99		RTM_GETANYCAST	= 62,
   100	#define RTM_GETANYCAST	RTM_GETANYCAST
   101	
   102		RTM_NEWNEIGHTBL	= 64,
   103	#define RTM_NEWNEIGHTBL	RTM_NEWNEIGHTBL
   104		RTM_GETNEIGHTBL	= 66,
   105	#define RTM_GETNEIGHTBL	RTM_GETNEIGHTBL
   106		RTM_SETNEIGHTBL,
   107	#define RTM_SETNEIGHTBL	RTM_SETNEIGHTBL
   108	
   109		RTM_NEWNDUSEROPT = 68,
   110	#define RTM_NEWNDUSEROPT RTM_NEWNDUSEROPT
   111	
   112		RTM_NEWADDRLABEL = 72,
   113	#define RTM_NEWADDRLABEL RTM_NEWADDRLABEL
   114		RTM_DELADDRLABEL,
   115	#define RTM_DELADDRLABEL RTM_DELADDRLABEL
   116		RTM_GETADDRLABEL,
   117	#define RTM_GETADDRLABEL RTM_GETADDRLABEL
   118	
   119		RTM_GETDCB = 78,
   120	#define RTM_GETDCB RTM_GETDCB
   121		RTM_SETDCB,
   122	#define RTM_SETDCB RTM_SETDCB
   123	
   124		RTM_NEWNETCONF = 80,
   125	#define RTM_NEWNETCONF RTM_NEWNETCONF
   126		RTM_DELNETCONF,
   127	#define RTM_DELNETCONF RTM_DELNETCONF
   128		RTM_GETNETCONF = 82,
   129	#define RTM_GETNETCONF RTM_GETNETCONF
   130	
   131		RTM_NEWMDB = 84,
   132	#define RTM_NEWMDB RTM_NEWMDB
   133		RTM_DELMDB = 85,
   134	#define RTM_DELMDB RTM_DELMDB
   135		RTM_GETMDB = 86,
   136	#define RTM_GETMDB RTM_GETMDB
   137	
   138		RTM_NEWNSID = 88,
   139	#define RTM_NEWNSID RTM_NEWNSID
   140		RTM_DELNSID = 89,
   141	#define RTM_DELNSID RTM_DELNSID
   142		RTM_GETNSID = 90,
   143	#define RTM_GETNSID RTM_GETNSID
   144	
   145		RTM_NEWSTATS = 92,
   146	#define RTM_NEWSTATS RTM_NEWSTATS
   147		RTM_GETSTATS = 94,
   148	#define RTM_GETSTATS RTM_GETSTATS
   149		RTM_SETSTATS,
   150	#define RTM_SETSTATS RTM_SETSTATS
   151	
   152		RTM_NEWCACHEREPORT = 96,
   153	#define RTM_NEWCACHEREPORT RTM_NEWCACHEREPORT
   154	
   155		RTM_NEWCHAIN = 100,
   156	#define RTM_NEWCHAIN RTM_NEWCHAIN
   157		RTM_DELCHAIN,
   158	#define RTM_DELCHAIN RTM_DELCHAIN
   159		RTM_GETCHAIN,
   160	#define RTM_GETCHAIN RTM_GETCHAIN
   161	
   162		RTM_NEWNEXTHOP = 104,
   163	#define RTM_NEWNEXTHOP	RTM_NEWNEXTHOP
   164		RTM_DELNEXTHOP,
   165	#define RTM_DELNEXTHOP	RTM_DELNEXTHOP
   166		RTM_GETNEXTHOP,
   167	#define RTM_GETNEXTHOP	RTM_GETNEXTHOP
   168	
   169		RTM_NEWLINKPROP = 108,
   170	#define RTM_NEWLINKPROP	RTM_NEWLINKPROP
   171		RTM_DELLINKPROP,
   172	#define RTM_DELLINKPROP	RTM_DELLINKPROP
   173		RTM_GETLINKPROP,
   174	#define RTM_GETLINKPROP	RTM_GETLINKPROP
   175	
   176		RTM_NEWVLAN = 112,
   177	#define RTM_NEWNVLAN	RTM_NEWVLAN
   178		RTM_DELVLAN,
   179	#define RTM_DELVLAN	RTM_DELVLAN
   180		RTM_GETVLAN,
   181	#define RTM_GETVLAN	RTM_GETVLAN
   182	
   183		RTM_NEWNEXTHOPBUCKET = 116,
   184	#define RTM_NEWNEXTHOPBUCKET	RTM_NEWNEXTHOPBUCKET
   185		RTM_DELNEXTHOPBUCKET,
   186	#define RTM_DELNEXTHOPBUCKET	RTM_DELNEXTHOPBUCKET
   187		RTM_GETNEXTHOPBUCKET,
   188	#define RTM_GETNEXTHOPBUCKET	RTM_GETNEXTHOPBUCKET
   189	
   190		RTM_NEWTUNNEL = 120,
   191	#define RTM_NEWTUNNEL	RTM_NEWTUNNEL
   192		RTM_DELTUNNEL,
   193	#define RTM_DELTUNNEL	RTM_DELTUNNEL
   194		RTM_GETTUNNEL,
   195	#define RTM_GETTUNNEL	RTM_GETTUNNEL
   196	
   197		__RTM_MAX,
   198	#define RTM_MAX		(((__RTM_MAX + 3) & ~3) - 1)
   199	};
   200	
   201	#define RTM_NR_MSGTYPES	(RTM_MAX + 1 - RTM_BASE)
   202	#define RTM_NR_FAMILIES	(RTM_NR_MSGTYPES >> 2)
   203	#define RTM_FAM(cmd)	(((cmd) - RTM_BASE) >> 2)
   204	
   205	/* 
   206	   Generic structure for encapsulation of optional route information.
   207	   It is reminiscent of sockaddr, but with sa_family replaced
   208	   with attribute type.
   209	 */
   210	
   211	struct rtattr {
   212		unsigned short	rta_len;
   213		unsigned short	rta_type;
   214	};
   215	
   216	/* Macros to handle rtattributes */
   217	
   218	#define RTA_ALIGNTO	4U
   219	#define RTA_ALIGN(len) ( ((len)+RTA_ALIGNTO-1) & ~(RTA_ALIGNTO-1) )
   220	#define RTA_OK(rta,len) ((len) >= (int)sizeof(struct rtattr) && \
   221				 (rta)->rta_len >= sizeof(struct rtattr) && \
   222				 (rta)->rta_len <= (len))
   223	#define RTA_NEXT(rta,attrlen)	((attrlen) -= RTA_ALIGN((rta)->rta_len), \
   224					 (struct rtattr*)(((char*)(rta)) + RTA_ALIGN((rta)->rta_len)))
   225	#define RTA_LENGTH(len)	(RTA_ALIGN(sizeof(struct rtattr)) + (len))
   226	#define RTA_SPACE(len)	RTA_ALIGN(RTA_LENGTH(len))
   227	#define RTA_DATA(rta)   ((void*)(((char*)(rta)) + RTA_LENGTH(0)))
   228	#define RTA_PAYLOAD(rta) ((int)((rta)->rta_len) - RTA_LENGTH(0))
   229	
   230	
   231	
   232	
   233	/******************************************************************************
   234	 *		Definitions used in routing table administration.
   235	 ****/
   236	
   237	struct rtmsg {
   238		unsigned char		rtm_family;
   239		unsigned char		rtm_dst_len;
   240		unsigned char		rtm_src_len;
   241		unsigned char		rtm_tos;
   242	
   243		unsigned char		rtm_table;	/* Routing table id */
   244		unsigned char		rtm_protocol;	/* Routing protocol; see below	*/
   245		unsigned char		rtm_scope;	/* See below */	
   246		unsigned char		rtm_type;	/* See below	*/
   247	
   248		unsigned		rtm_flags;
   249	};
   250	
   251	/* rtm_type */
   252	
   253	enum {
   254		RTN_UNSPEC,
   255		RTN_UNICAST,		/* Gateway or direct route	*/
   256		RTN_LOCAL,		/* Accept locally		*/
   257		RTN_BROADCAST,		/* Accept locally as broadcast,
   258					   send as broadcast */
   259		RTN_ANYCAST,		/* Accept locally as broadcast,
   260					   but send as unicast */
   261		RTN_MULTICAST,		/* Multicast route		*/
   262		RTN_BLACKHOLE,		/* Drop				*/
   263		RTN_UNREACHABLE,	/* Destination is unreachable   */
   264		RTN_PROHIBIT,		/* Administratively prohibited	*/
   265		RTN_THROW,		/* Not in this table		*/
   266		RTN_NAT,		/* Translate this address	*/
   267		RTN_XRESOLVE,		/* Use external resolver	*/
   268		__RTN_MAX
   269	};
   270	
   271	#define RTN_MAX (__RTN_MAX - 1)
   272	
   273	
   274	/* rtm_protocol */
   275	
   276	#define RTPROT_UNSPEC		0
   277	#define RTPROT_REDIRECT		1	/* Route installed by ICMP redirects;
   278						   not used by current IPv4 */
   279	#define RTPROT_KERNEL		2	/* Route installed by kernel		*/
   280	#define RTPROT_BOOT		3	/* Route installed during boot		*/
   281	#define RTPROT_STATIC		4	/* Route installed by administrator	*/
   282	
   283	/* Values of protocol >= RTPROT_STATIC are not interpreted by kernel;
   284	   they are just passed from user and back as is.
   285	   It will be used by hypothetical multiple routing daemons.
   286	   Note that protocol values should be standardized in order to
   287	   avoid conflicts.
   288	 */
   289	
   290	#define RTPROT_GATED		8	/* Apparently, GateD */
   291	#define RTPROT_RA		9	/* RDISC/ND router advertisements */
   292	#define RTPROT_MRT		10	/* Merit MRT */
   293	#define RTPROT_ZEBRA		11	/* Zebra */
   294	#define RTPROT_BIRD		12	/* BIRD */
   295	#define RTPROT_DNROUTED		13	/* DECnet routing daemon */
   296	#define RTPROT_XORP		14	/* XORP */
   297	#define RTPROT_NTK		15	/* Netsukuku */
   298	#define RTPROT_DHCP		16	/* DHCP client */
   299	#define RTPROT_MROUTED		17	/* Multicast daemon */
   300	#define RTPROT_KEEPALIVED	18	/* Keepalived daemon */
   301	#define RTPROT_BABEL		42	/* Babel daemon */
   302	#define RTPROT_OPENR		99	/* Open Routing (Open/R) Routes */
   303	#define RTPROT_BGP		186	/* BGP Routes */
   304	#define RTPROT_ISIS		187	/* ISIS Routes */
   305	#define RTPROT_OSPF		188	/* OSPF Routes */
   306	#define RTPROT_RIP		189	/* RIP Routes */
   307	#define RTPROT_EIGRP		192	/* EIGRP Routes */
   308	
   309	/* rtm_scope
   310	
   311	   Really it is not scope, but sort of distance to the destination.
   312	   NOWHERE are reserved for not existing destinations, HOST is our
   313	   local addresses, LINK are destinations, located on directly attached
   314	   link and UNIVERSE is everywhere in the Universe.
   315	
   316	   Intermediate values are also possible f.e. interior routes
   317	   could be assigned a value between UNIVERSE and LINK.
   318	*/
   319	
   320	enum rt_scope_t {
   321		RT_SCOPE_UNIVERSE=0,
   322	/* User defined values  */
   323		RT_SCOPE_SITE=200,
   324		RT_SCOPE_LINK=253,
   325		RT_SCOPE_HOST=254,
   326		RT_SCOPE_NOWHERE=255
   327	};
   328	
   329	/* rtm_flags */
   330	
   331	#define RTM_F_NOTIFY		0x100	/* Notify user of route change	*/
   332	#define RTM_F_CLONED		0x200	/* This route is cloned		*/
   333	#define RTM_F_EQUALIZE		0x400	/* Multipath equalizer: NI	*/
   334	#define RTM_F_PREFIX		0x800	/* Prefix addresses		*/
   335	#define RTM_F_LOOKUP_TABLE	0x1000	/* set rtm_table to FIB lookup result */
   336	#define RTM_F_FIB_MATCH	        0x2000	/* return full fib lookup match */
   337	#define RTM_F_OFFLOAD		0x4000	/* route is offloaded */
   338	#define RTM_F_TRAP		0x8000	/* route is trapping packets */
   339	#define RTM_F_OFFLOAD_FAILED	0x20000000 /* route offload failed, this value
   340						    * is chosen to avoid conflicts with
   341						    * other flags defined in
   342						    * include/uapi/linux/ipv6_route.h
   343						    */
   344	
   345	/* Reserved table identifiers */
   346	
   347	enum rt_class_t {
   348		RT_TABLE_UNSPEC=0,
   349	/* User defined values */
   350		RT_TABLE_COMPAT=252,
   351		RT_TABLE_DEFAULT=253,
   352		RT_TABLE_MAIN=254,
   353		RT_TABLE_LOCAL=255,
   354		RT_TABLE_MAX=0xFFFFFFFF
   355	};
   356	
   357	
   358	/* Routing message attributes */
   359	
   360	enum rtattr_type_t {
   361		RTA_UNSPEC,
   362		RTA_DST,
   363		RTA_SRC,
   364		RTA_IIF,
   365		RTA_OIF,
   366		RTA_GATEWAY,
   367		RTA_PRIORITY,
   368		RTA_PREFSRC,
   369		RTA_METRICS,
   370		RTA_MULTIPATH,
   371		RTA_PROTOINFO, /* no longer used */
   372		RTA_FLOW,
   373		RTA_CACHEINFO,
   374		RTA_SESSION, /* no longer used */
   375		RTA_MP_ALGO, /* no longer used */
   376		RTA_TABLE,
   377		RTA_MARK,
   378		RTA_MFC_STATS,
   379		RTA_VIA,
   380		RTA_NEWDST,
   381		RTA_PREF,
   382		RTA_ENCAP_TYPE,
   383		RTA_ENCAP,
   384		RTA_EXPIRES,
   385		RTA_PAD,
   386		RTA_UID,
   387		RTA_TTL_PROPAGATE,
   388		RTA_IP_PROTO,
   389		RTA_SPORT,
   390		RTA_DPORT,
   391		RTA_NH_ID,
   392		__RTA_MAX
   393	};
   394	
   395	#define RTA_MAX (__RTA_MAX - 1)
   396	
   397	#define RTM_RTA(r)  ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct rtmsg))))
   398	#define RTM_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct rtmsg))
   399	
   400	/* RTM_MULTIPATH --- array of struct rtnexthop.
   401	 *
   402	 * "struct rtnexthop" describes all necessary nexthop information,
   403	 * i.e. parameters of path to a destination via this nexthop.
   404	 *
   405	 * At the moment it is impossible to set different prefsrc, mtu, window
   406	 * and rtt for different paths from multipath.
   407	 */
   408	
   409	struct rtnexthop {
   410		unsigned short		rtnh_len;
   411		unsigned char		rtnh_flags;
   412		unsigned char		rtnh_hops;
   413		int			rtnh_ifindex;
   414	};
   415	
   416	/* rtnh_flags */
   417	
   418	#define RTNH_F_DEAD		1	/* Nexthop is dead (used by multipath)	*/
   419	#define RTNH_F_PERVASIVE	2	/* Do recursive gateway lookup	*/
   420	#define RTNH_F_ONLINK		4	/* Gateway is forced on link	*/
   421	#define RTNH_F_OFFLOAD		8	/* Nexthop is offloaded */
   422	#define RTNH_F_LINKDOWN		16	/* carrier-down on nexthop */
   423	#define RTNH_F_UNRESOLVED	32	/* The entry is unresolved (ipmr) */
   424	#define RTNH_F_TRAP		64	/* Nexthop is trapping packets */
   425	
   426	#define RTNH_COMPARE_MASK	(RTNH_F_DEAD | RTNH_F_LINKDOWN | \
   427					 RTNH_F_OFFLOAD | RTNH_F_TRAP)
   428	
   429	/* Macros to handle hexthops */
   430	
   431	#define RTNH_ALIGNTO	4
   432	#define RTNH_ALIGN(len) ( ((len)+RTNH_ALIGNTO-1) & ~(RTNH_ALIGNTO-1) )
   433	#define RTNH_OK(rtnh,len) ((rtnh)->rtnh_len >= sizeof(struct rtnexthop) && \
   434				   ((int)(rtnh)->rtnh_len) <= (len))
   435	#define RTNH_NEXT(rtnh)	((struct rtnexthop*)(((char*)(rtnh)) + RTNH_ALIGN((rtnh)->rtnh_len)))
   436	#define RTNH_LENGTH(len) (RTNH_ALIGN(sizeof(struct rtnexthop)) + (len))
   437	#define RTNH_SPACE(len)	RTNH_ALIGN(RTNH_LENGTH(len))
   438	#define RTNH_DATA(rtnh)   ((struct rtattr*)(((char*)(rtnh)) + RTNH_LENGTH(0)))
   439	
   440	/* RTA_VIA */
   441	struct rtvia {
   442		__kernel_sa_family_t	rtvia_family;
   443		__u8			rtvia_addr[];
   444	};
   445	
   446	/* RTM_CACHEINFO */
   447	
   448	struct rta_cacheinfo {
   449		__u32	rta_clntref;
   450		__u32	rta_lastuse;
   451		__s32	rta_expires;
   452		__u32	rta_error;
   453		__u32	rta_used;
   454	
   455	#define RTNETLINK_HAVE_PEERINFO 1
   456		__u32	rta_id;
   457		__u32	rta_ts;
   458		__u32	rta_tsage;
   459	};
   460	
   461	/* RTM_METRICS --- array of struct rtattr with types of RTAX_* */
   462	
   463	enum {
   464		RTAX_UNSPEC,
   465	#define RTAX_UNSPEC RTAX_UNSPEC
   466		RTAX_LOCK,
   467	#define RTAX_LOCK RTAX_LOCK
   468		RTAX_MTU,
   469	#define RTAX_MTU RTAX_MTU
   470		RTAX_WINDOW,
   471	#define RTAX_WINDOW RTAX_WINDOW
   472		RTAX_RTT,
   473	#define RTAX_RTT RTAX_RTT
   474		RTAX_RTTVAR,
   475	#define RTAX_RTTVAR RTAX_RTTVAR
   476		RTAX_SSTHRESH,
   477	#define RTAX_SSTHRESH RTAX_SSTHRESH
   478		RTAX_CWND,
   479	#define RTAX_CWND RTAX_CWND
   480		RTAX_ADVMSS,
   481	#define RTAX_ADVMSS RTAX_ADVMSS
   482		RTAX_REORDERING,
   483	#define RTAX_REORDERING RTAX_REORDERING
   484		RTAX_HOPLIMIT,
   485	#define RTAX_HOPLIMIT RTAX_HOPLIMIT
   486		RTAX_INITCWND,
   487	#define RTAX_INITCWND RTAX_INITCWND
   488		RTAX_FEATURES,
   489	#define RTAX_FEATURES RTAX_FEATURES
   490		RTAX_RTO_MIN,
   491	#define RTAX_RTO_MIN RTAX_RTO_MIN
   492		RTAX_INITRWND,
   493	#define RTAX_INITRWND RTAX_INITRWND
   494		RTAX_QUICKACK,
   495	#define RTAX_QUICKACK RTAX_QUICKACK
   496		RTAX_CC_ALGO,
   497	#define RTAX_CC_ALGO RTAX_CC_ALGO
   498		RTAX_FASTOPEN_NO_COOKIE,
   499	#define RTAX_FASTOPEN_NO_COOKIE RTAX_FASTOPEN_NO_COOKIE
   500		__RTAX_MAX
   501	};
   502	
   503	#define RTAX_MAX (__RTAX_MAX - 1)
   504	
   505	#define RTAX_FEATURE_ECN		(1 << 0)
   506	#define RTAX_FEATURE_SACK		(1 << 1) /* unused */
   507	#define RTAX_FEATURE_TIMESTAMP		(1 << 2) /* unused */
   508	#define RTAX_FEATURE_ALLFRAG		(1 << 3) /* unused */
   509	#define RTAX_FEATURE_TCP_USEC_TS	(1 << 4)
   510	
   511	#define RTAX_FEATURE_MASK	(RTAX_FEATURE_ECN |		\
   512					 RTAX_FEATURE_SACK |		\
   513					 RTAX_FEATURE_TIMESTAMP |	\
   514					 RTAX_FEATURE_ALLFRAG |		\
   515					 RTAX_FEATURE_TCP_USEC_TS)
   516	
   517	struct rta_session {
   518		__u8	proto;
   519		__u8	pad1;
   520		__u16	pad2;
   521	
   522		union {
   523			struct {
   524				__u16	sport;
   525				__u16	dport;
   526			} ports;
   527	
   528			struct {
   529				__u8	type;
   530				__u8	code;
   531				__u16	ident;
   532			} icmpt;
   533	
   534			__u32		spi;
   535		} u;
   536	};
   537	
   538	struct rta_mfc_stats {
   539		__u64	mfcs_packets;
   540		__u64	mfcs_bytes;
   541		__u64	mfcs_wrong_if;
   542	};
   543	
   544	/****
   545	 *		General form of address family dependent message.
   546	 ****/
   547	
   548	struct rtgenmsg {
   549		unsigned char		rtgen_family;
   550	};
   551	
   552	/*****************************************************************
   553	 *		Link layer specific messages.
   554	 ****/
   555	
   556	/* struct ifinfomsg
   557	 * passes link level specific information, not dependent
   558	 * on network protocol.
   559	 */
   560	
   561	struct ifinfomsg {
   562		unsigned char	ifi_family;
   563		unsigned char	__ifi_pad;
   564		unsigned short	ifi_type;		/* ARPHRD_* */
   565		int		ifi_index;		/* Link index	*/
   566		unsigned	ifi_flags;		/* IFF_* flags	*/
   567		unsigned	ifi_change;		/* IFF_* change mask */
   568	};
   569	
   570	/********************************************************************
   571	 *		prefix information 
   572	 ****/
   573	
   574	struct prefixmsg {
   575		unsigned char	prefix_family;
   576		unsigned char	prefix_pad1;
   577		unsigned short	prefix_pad2;
   578		int		prefix_ifindex;
   579		unsigned char	prefix_type;
   580		unsigned char	prefix_len;
   581		unsigned char	prefix_flags;
   582		unsigned char	prefix_pad3;
   583	};
   584	
   585	enum 
   586	{
   587		PREFIX_UNSPEC,
   588		PREFIX_ADDRESS,
   589		PREFIX_CACHEINFO,
   590		__PREFIX_MAX
   591	};
   592	
   593	#define PREFIX_MAX	(__PREFIX_MAX - 1)
   594	
   595	struct prefix_cacheinfo {
   596		__u32	preferred_time;
   597		__u32	valid_time;
   598	};
   599	
   600	
   601	/*****************************************************************
   602	 *		Traffic control messages.
   603	 ****/
   604	
   605	struct tcmsg {
   606		unsigned char	tcm_family;
   607		unsigned char	tcm__pad1;
   608		unsigned short	tcm__pad2;
   609		int		tcm_ifindex;
   610		__u32		tcm_handle;
   611		__u32		tcm_parent;
   612	/* tcm_block_index is used instead of tcm_parent
   613	 * in case tcm_ifindex == TCM_IFINDEX_MAGIC_BLOCK
   614	 */
   615	#define tcm_block_index tcm_parent
   616		__u32		tcm_info;
   617	};
   618	
   619	/* For manipulation of filters in shared block, tcm_ifindex is set to
   620	 * TCM_IFINDEX_MAGIC_BLOCK, and tcm_parent is aliased to tcm_block_index
   621	 * which is the block index.
   622	 */
   623	#define TCM_IFINDEX_MAGIC_BLOCK (0xFFFFFFFFU)
   624	
   625	enum {
   626		TCA_UNSPEC,
   627		TCA_KIND,
   628		TCA_OPTIONS,
   629		TCA_STATS,
   630		TCA_XSTATS,
   631		TCA_RATE,
   632		TCA_FCNT,
   633		TCA_STATS2,
   634		TCA_STAB,
   635		TCA_PAD,
   636		TCA_DUMP_INVISIBLE,
   637		TCA_CHAIN,
   638		TCA_HW_OFFLOAD,
   639		TCA_INGRESS_BLOCK,
   640		TCA_EGRESS_BLOCK,
   641		TCA_DUMP_FLAGS,
   642		TCA_EXT_WARN_MSG,
   643		__TCA_MAX
   644	};
   645	
   646	#define TCA_MAX (__TCA_MAX - 1)
   647	
   648	#define TCA_DUMP_FLAGS_TERSE (1 << 0) /* Means that in dump user gets only basic
   649					       * data necessary to identify the objects
   650					       * (handle, cookie, etc.) and stats.
   651					       */
   652	
   653	#define TCA_RTA(r)  ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct tcmsg))))
   654	#define TCA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcmsg))
   655	
   656	/********************************************************************
   657	 *		Neighbor Discovery userland options
   658	 ****/
   659	
   660	struct nduseroptmsg {
   661		unsigned char	nduseropt_family;
   662		unsigned char	nduseropt_pad1;
   663		unsigned short	nduseropt_opts_len;	/* Total length of options */
   664		int		nduseropt_ifindex;
   665		__u8		nduseropt_icmp_type;
   666		__u8		nduseropt_icmp_code;
   667		unsigned short	nduseropt_pad2;
   668		unsigned int	nduseropt_pad3;
   669		/* Followed by one or more ND options */
   670	};
   671	
   672	enum {
   673		NDUSEROPT_UNSPEC,
   674		NDUSEROPT_SRCADDR,
   675		__NDUSEROPT_MAX
   676	};
   677	
   678	#define NDUSEROPT_MAX	(__NDUSEROPT_MAX - 1)
   679	
   680	/* RTnetlink multicast groups - backwards compatibility for userspace */
   681	#define RTMGRP_LINK		1
   682	#define RTMGRP_NOTIFY		2
   683	#define RTMGRP_NEIGH		4
   684	#define RTMGRP_TC		8
   685	
   686	#define RTMGRP_IPV4_IFADDR	0x10
   687	#define RTMGRP_IPV4_MROUTE	0x20
   688	#define RTMGRP_IPV4_ROUTE	0x40
   689	#define RTMGRP_IPV4_RULE	0x80
   690	
   691	#define RTMGRP_IPV6_IFADDR	0x100
   692	#define RTMGRP_IPV6_MROUTE	0x200
   693	#define RTMGRP_IPV6_ROUTE	0x400
   694	#define RTMGRP_IPV6_IFINFO	0x800
   695	
   696	#define RTMGRP_DECnet_IFADDR    0x1000
   697	#define RTMGRP_DECnet_ROUTE     0x4000
   698	
   699	#define RTMGRP_IPV6_PREFIX	0x20000
   700	
   701	/* RTnetlink multicast groups */
   702	enum rtnetlink_groups {
   703		RTNLGRP_NONE,
   704	#define RTNLGRP_NONE		RTNLGRP_NONE
   705		RTNLGRP_LINK,
   706	#define RTNLGRP_LINK		RTNLGRP_LINK
   707		RTNLGRP_NOTIFY,
   708	#define RTNLGRP_NOTIFY		RTNLGRP_NOTIFY
   709		RTNLGRP_NEIGH,
   710	#define RTNLGRP_NEIGH		RTNLGRP_NEIGH
   711		RTNLGRP_TC,
   712	#define RTNLGRP_TC		RTNLGRP_TC
   713		RTNLGRP_IPV4_IFADDR,
   714	#define RTNLGRP_IPV4_IFADDR	RTNLGRP_IPV4_IFADDR
   715		RTNLGRP_IPV4_MROUTE,
   716	#define	RTNLGRP_IPV4_MROUTE	RTNLGRP_IPV4_MROUTE
   717		RTNLGRP_IPV4_ROUTE,
   718	#define RTNLGRP_IPV4_ROUTE	RTNLGRP_IPV4_ROUTE
   719		RTNLGRP_IPV4_RULE,
   720	#define RTNLGRP_IPV4_RULE	RTNLGRP_IPV4_RULE
   721		RTNLGRP_IPV6_IFADDR,
   722	#define RTNLGRP_IPV6_IFADDR	RTNLGRP_IPV6_IFADDR
   723		RTNLGRP_IPV6_MROUTE,
   724	#define RTNLGRP_IPV6_MROUTE	RTNLGRP_IPV6_MROUTE
   725		RTNLGRP_IPV6_ROUTE,
   726	#define RTNLGRP_IPV6_ROUTE	RTNLGRP_IPV6_ROUTE
   727		RTNLGRP_IPV6_IFINFO,
   728	#define RTNLGRP_IPV6_IFINFO	RTNLGRP_IPV6_IFINFO
   729		RTNLGRP_DECnet_IFADDR,
   730	#define RTNLGRP_DECnet_IFADDR	RTNLGRP_DECnet_IFADDR
   731		RTNLGRP_NOP2,
   732		RTNLGRP_DECnet_ROUTE,
   733	#define RTNLGRP_DECnet_ROUTE	RTNLGRP_DECnet_ROUTE
   734		RTNLGRP_DECnet_RULE,
   735	#define RTNLGRP_DECnet_RULE	RTNLGRP_DECnet_RULE
   736		RTNLGRP_NOP4,
   737		RTNLGRP_IPV6_PREFIX,
   738	#define RTNLGRP_IPV6_PREFIX	RTNLGRP_IPV6_PREFIX
   739		RTNLGRP_IPV6_RULE,
   740	#define RTNLGRP_IPV6_RULE	RTNLGRP_IPV6_RULE
   741		RTNLGRP_ND_USEROPT,
   742	#define RTNLGRP_ND_USEROPT	RTNLGRP_ND_USEROPT
   743		RTNLGRP_PHONET_IFADDR,
   744	#define RTNLGRP_PHONET_IFADDR	RTNLGRP_PHONET_IFADDR
   745		RTNLGRP_PHONET_ROUTE,
   746	#define RTNLGRP_PHONET_ROUTE	RTNLGRP_PHONET_ROUTE
   747		RTNLGRP_DCB,
   748	#define RTNLGRP_DCB		RTNLGRP_DCB
   749		RTNLGRP_IPV4_NETCONF,
   750	#define RTNLGRP_IPV4_NETCONF	RTNLGRP_IPV4_NETCONF
   751		RTNLGRP_IPV6_NETCONF,
   752	#define RTNLGRP_IPV6_NETCONF	RTNLGRP_IPV6_NETCONF
   753		RTNLGRP_MDB,
   754	#define RTNLGRP_MDB		RTNLGRP_MDB
   755		RTNLGRP_MPLS_ROUTE,
   756	#define RTNLGRP_MPLS_ROUTE	RTNLGRP_MPLS_ROUTE
   757		RTNLGRP_NSID,
   758	#define RTNLGRP_NSID		RTNLGRP_NSID
   759		RTNLGRP_MPLS_NETCONF,
   760	#define RTNLGRP_MPLS_NETCONF	RTNLGRP_MPLS_NETCONF
   761		RTNLGRP_IPV4_MROUTE_R,
   762	#define RTNLGRP_IPV4_MROUTE_R	RTNLGRP_IPV4_MROUTE_R
   763		RTNLGRP_IPV6_MROUTE_R,
   764	#define RTNLGRP_IPV6_MROUTE_R	RTNLGRP_IPV6_MROUTE_R
   765		RTNLGRP_NEXTHOP,
   766	#define RTNLGRP_NEXTHOP		RTNLGRP_NEXTHOP
   767		RTNLGRP_BRVLAN,
   768	#define RTNLGRP_BRVLAN		RTNLGRP_BRVLAN
   769		RTNLGRP_MCTP_IFADDR,
   770	#define RTNLGRP_MCTP_IFADDR	RTNLGRP_MCTP_IFADDR
   771		RTNLGRP_TUNNEL,
   772	#define RTNLGRP_TUNNEL		RTNLGRP_TUNNEL
   773		RTNLGRP_STATS,
   774	#define RTNLGRP_STATS		RTNLGRP_STATS
   775		__RTNLGRP_MAX
   776	};
   777	#define RTNLGRP_MAX	(__RTNLGRP_MAX - 1)
   778	
   779	/* TC action piece */
   780	struct tcamsg {
   781		unsigned char	tca_family;
   782		unsigned char	tca__pad1;
   783		unsigned short	tca__pad2;
   784	};
   785	
   786	enum {
   787		TCA_ROOT_UNSPEC,
   788		TCA_ROOT_TAB,
   789	#define TCA_ACT_TAB TCA_ROOT_TAB
   790	#define TCAA_MAX TCA_ROOT_TAB
   791		TCA_ROOT_FLAGS,
   792		TCA_ROOT_COUNT,
   793		TCA_ROOT_TIME_DELTA, /* in msecs */
   794		TCA_ROOT_EXT_WARN_MSG,
   795		__TCA_ROOT_MAX,
   796	#define	TCA_ROOT_MAX (__TCA_ROOT_MAX - 1)
   797	};
   798	
   799	#define TA_RTA(r)  ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct tcamsg))))
   800	#define TA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcamsg))
   801	/* tcamsg flags stored in attribute TCA_ROOT_FLAGS
   802	 *
   803	 * TCA_ACT_FLAG_LARGE_DUMP_ON user->kernel to request for larger than
   804	 * TCA_ACT_MAX_PRIO actions in a dump. All dump responses will contain the
   805	 * number of actions being dumped stored in for user app's consumption in
   806	 * TCA_ROOT_COUNT
   807	 *
   808	 * TCA_ACT_FLAG_TERSE_DUMP user->kernel to request terse (brief) dump that only
   809	 * includes essential action info (kind, index, etc.)
   810	 *
   811	 */
   812	#define TCA_FLAG_LARGE_DUMP_ON		(1 << 0)
   813	#define TCA_ACT_FLAG_LARGE_DUMP_ON	TCA_FLAG_LARGE_DUMP_ON
   814	#define TCA_ACT_FLAG_TERSE_DUMP		(1 << 1)
   815	
   816	/* New extended info filters for IFLA_EXT_MASK */
   817	#define RTEXT_FILTER_VF		(1 << 0)
   818	#define RTEXT_FILTER_BRVLAN	(1 << 1)
   819	#define RTEXT_FILTER_BRVLAN_COMPRESSED	(1 << 2)
   820	#define	RTEXT_FILTER_SKIP_STATS	(1 << 3)
   821	#define RTEXT_FILTER_MRP	(1 << 4)
   822	#define RTEXT_FILTER_CFM_CONFIG	(1 << 5)
   823	#define RTEXT_FILTER_CFM_STATUS	(1 << 6)
   824	#define RTEXT_FILTER_MST	(1 << 7)
   825	
   826	/* End of information exported to user level */
   827	
   828	
   829	
   830	#endif /* __LINUX_RTNETLINK_H */