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      1 #ifndef __LINUX_RTNETLINK_H
      2 #define __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_NEWNETCONF = 80,
    124 #define RTM_NEWNETCONF RTM_NEWNETCONF
    125 	RTM_GETNETCONF = 82,
    126 #define RTM_GETNETCONF RTM_GETNETCONF
    127 
    128 	RTM_NEWMDB = 84,
    129 #define RTM_NEWMDB RTM_NEWMDB
    130 	RTM_DELMDB = 85,
    131 #define RTM_DELMDB RTM_DELMDB
    132 	RTM_GETMDB = 86,
    133 #define RTM_GETMDB RTM_GETMDB
    134 
    135 	RTM_NEWNSID = 88,
    136 #define RTM_NEWNSID RTM_NEWNSID
    137 	RTM_DELNSID = 89,
    138 #define RTM_DELNSID RTM_DELNSID
    139 	RTM_GETNSID = 90,
    140 #define RTM_GETNSID RTM_GETNSID
    141 
    142 	__RTM_MAX,
    143 #define RTM_MAX		(((__RTM_MAX + 3) & ~3) - 1)
    144 };
    145 
    146 #define RTM_NR_MSGTYPES	(RTM_MAX + 1 - RTM_BASE)
    147 #define RTM_NR_FAMILIES	(RTM_NR_MSGTYPES >> 2)
    148 #define RTM_FAM(cmd)	(((cmd) - RTM_BASE) >> 2)
    149 
    150 /*
    151    Generic structure for encapsulation of optional route information.
    152    It is reminiscent of sockaddr, but with sa_family replaced
    153    with attribute type.
    154  */
    155 
    156 struct rtattr {
    157 	unsigned short	rta_len;
    158 	unsigned short	rta_type;
    159 };
    160 
    161 /* Macros to handle rtattributes */
    162 
    163 #define RTA_ALIGNTO	4U
    164 #define RTA_ALIGN(len) ( ((len)+RTA_ALIGNTO-1) & ~(RTA_ALIGNTO-1) )
    165 #define RTA_OK(rta,len) ((len) >= (int)sizeof(struct rtattr) && \
    166 			 (rta)->rta_len >= sizeof(struct rtattr) && \
    167 			 (rta)->rta_len <= (len))
    168 #define RTA_NEXT(rta,attrlen)	((attrlen) -= RTA_ALIGN((rta)->rta_len), \
    169 				 (struct rtattr*)(((char*)(rta)) + RTA_ALIGN((rta)->rta_len)))
    170 #define RTA_LENGTH(len)	(RTA_ALIGN(sizeof(struct rtattr)) + (len))
    171 #define RTA_SPACE(len)	RTA_ALIGN(RTA_LENGTH(len))
    172 #define RTA_DATA(rta)   ((void*)(((char*)(rta)) + RTA_LENGTH(0)))
    173 #define RTA_PAYLOAD(rta) ((int)((rta)->rta_len) - RTA_LENGTH(0))
    174 
    175 
    176 
    177 
    178 /******************************************************************************
    179  *		Definitions used in routing table administration.
    180  ****/
    181 
    182 struct rtmsg {
    183 	unsigned char		rtm_family;
    184 	unsigned char		rtm_dst_len;
    185 	unsigned char		rtm_src_len;
    186 	unsigned char		rtm_tos;
    187 
    188 	unsigned char		rtm_table;	/* Routing table id */
    189 	unsigned char		rtm_protocol;	/* Routing protocol; see below	*/
    190 	unsigned char		rtm_scope;	/* See below */
    191 	unsigned char		rtm_type;	/* See below	*/
    192 
    193 	unsigned		rtm_flags;
    194 };
    195 
    196 /* rtm_type */
    197 
    198 enum {
    199 	RTN_UNSPEC,
    200 	RTN_UNICAST,		/* Gateway or direct route	*/
    201 	RTN_LOCAL,		/* Accept locally		*/
    202 	RTN_BROADCAST,		/* Accept locally as broadcast,
    203 				   send as broadcast */
    204 	RTN_ANYCAST,		/* Accept locally as broadcast,
    205 				   but send as unicast */
    206 	RTN_MULTICAST,		/* Multicast route		*/
    207 	RTN_BLACKHOLE,		/* Drop				*/
    208 	RTN_UNREACHABLE,	/* Destination is unreachable   */
    209 	RTN_PROHIBIT,		/* Administratively prohibited	*/
    210 	RTN_THROW,		/* Not in this table		*/
    211 	RTN_NAT,		/* Translate this address	*/
    212 	RTN_XRESOLVE,		/* Use external resolver	*/
    213 	__RTN_MAX
    214 };
    215 
    216 #define RTN_MAX (__RTN_MAX - 1)
    217 
    218 
    219 /* rtm_protocol */
    220 
    221 #define RTPROT_UNSPEC	0
    222 #define RTPROT_REDIRECT	1	/* Route installed by ICMP redirects;
    223 				   not used by current IPv4 */
    224 #define RTPROT_KERNEL	2	/* Route installed by kernel		*/
    225 #define RTPROT_BOOT	3	/* Route installed during boot		*/
    226 #define RTPROT_STATIC	4	/* Route installed by administrator	*/
    227 
    228 /* Values of protocol >= RTPROT_STATIC are not interpreted by kernel;
    229    they are just passed from user and back as is.
    230    It will be used by hypothetical multiple routing daemons.
    231    Note that protocol values should be standardized in order to
    232    avoid conflicts.
    233  */
    234 
    235 #define RTPROT_GATED	8	/* Apparently, GateD */
    236 #define RTPROT_RA	9	/* RDISC/ND router advertisements */
    237 #define RTPROT_MRT	10	/* Merit MRT */
    238 #define RTPROT_ZEBRA	11	/* Zebra */
    239 #define RTPROT_BIRD	12	/* BIRD */
    240 #define RTPROT_DNROUTED	13	/* DECnet routing daemon */
    241 #define RTPROT_XORP	14	/* XORP */
    242 #define RTPROT_NTK	15	/* Netsukuku */
    243 #define RTPROT_DHCP	16      /* DHCP client */
    244 #define RTPROT_MROUTED	17      /* Multicast daemon */
    245 #define RTPROT_BABEL	42      /* Babel daemon */
    246 
    247 /* rtm_scope
    248 
    249    Really it is not scope, but sort of distance to the destination.
    250    NOWHERE are reserved for not existing destinations, HOST is our
    251    local addresses, LINK are destinations, located on directly attached
    252    link and UNIVERSE is everywhere in the Universe.
    253 
    254    Intermediate values are also possible f.e. interior routes
    255    could be assigned a value between UNIVERSE and LINK.
    256 */
    257 
    258 enum rt_scope_t {
    259 	RT_SCOPE_UNIVERSE=0,
    260 /* User defined values  */
    261 	RT_SCOPE_SITE=200,
    262 	RT_SCOPE_LINK=253,
    263 	RT_SCOPE_HOST=254,
    264 	RT_SCOPE_NOWHERE=255
    265 };
    266 
    267 /* rtm_flags */
    268 
    269 #define RTM_F_NOTIFY		0x100	/* Notify user of route change	*/
    270 #define RTM_F_CLONED		0x200	/* This route is cloned		*/
    271 #define RTM_F_EQUALIZE		0x400	/* Multipath equalizer: NI	*/
    272 #define RTM_F_PREFIX		0x800	/* Prefix addresses		*/
    273 #define RTM_F_LOOKUP_TABLE	0x1000	/* set rtm_table to FIB lookup result */
    274 
    275 /* Reserved table identifiers */
    276 
    277 enum rt_class_t {
    278 	RT_TABLE_UNSPEC=0,
    279 /* User defined values */
    280 	RT_TABLE_COMPAT=252,
    281 	RT_TABLE_DEFAULT=253,
    282 	RT_TABLE_MAIN=254,
    283 	RT_TABLE_LOCAL=255,
    284 	RT_TABLE_MAX=0xFFFFFFFF
    285 };
    286 
    287 
    288 /* Routing message attributes */
    289 
    290 enum rtattr_type_t {
    291 	RTA_UNSPEC,
    292 	RTA_DST,
    293 	RTA_SRC,
    294 	RTA_IIF,
    295 	RTA_OIF,
    296 	RTA_GATEWAY,
    297 	RTA_PRIORITY,
    298 	RTA_PREFSRC,
    299 	RTA_METRICS,
    300 	RTA_MULTIPATH,
    301 	RTA_PROTOINFO, /* no longer used */
    302 	RTA_FLOW,
    303 	RTA_CACHEINFO,
    304 	RTA_SESSION, /* no longer used */
    305 	RTA_MP_ALGO, /* no longer used */
    306 	RTA_TABLE,
    307 	RTA_MARK,
    308 	RTA_MFC_STATS,
    309 	RTA_VIA,
    310 	RTA_NEWDST,
    311 	RTA_PREF,
    312 	RTA_ENCAP_TYPE,
    313 	RTA_ENCAP,
    314 	RTA_EXPIRES,
    315 	RTA_PAD,
    316 	RTA_UID,
    317 	__RTA_MAX
    318 };
    319 
    320 #define RTA_MAX (__RTA_MAX - 1)
    321 
    322 #define RTM_RTA(r)  ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct rtmsg))))
    323 #define RTM_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct rtmsg))
    324 
    325 /* RTM_MULTIPATH --- array of struct rtnexthop.
    326  *
    327  * "struct rtnexthop" describes all necessary nexthop information,
    328  * i.e. parameters of path to a destination via this nexthop.
    329  *
    330  * At the moment it is impossible to set different prefsrc, mtu, window
    331  * and rtt for different paths from multipath.
    332  */
    333 
    334 struct rtnexthop {
    335 	unsigned short		rtnh_len;
    336 	unsigned char		rtnh_flags;
    337 	unsigned char		rtnh_hops;
    338 	int			rtnh_ifindex;
    339 };
    340 
    341 /* rtnh_flags */
    342 
    343 #define RTNH_F_DEAD		1	/* Nexthop is dead (used by multipath)	*/
    344 #define RTNH_F_PERVASIVE	2	/* Do recursive gateway lookup	*/
    345 #define RTNH_F_ONLINK		4	/* Gateway is forced on link	*/
    346 #define RTNH_F_OFFLOAD		8	/* offloaded route */
    347 #define RTNH_F_LINKDOWN		16	/* carrier-down on nexthop */
    348 
    349 #define RTNH_COMPARE_MASK	(RTNH_F_DEAD | RTNH_F_LINKDOWN)
    350 
    351 /* Macros to handle hexthops */
    352 
    353 #define RTNH_ALIGNTO	4
    354 #define RTNH_ALIGN(len) ( ((len)+RTNH_ALIGNTO-1) & ~(RTNH_ALIGNTO-1) )
    355 #define RTNH_OK(rtnh,len) ((rtnh)->rtnh_len >= sizeof(struct rtnexthop) && \
    356 			   ((int)(rtnh)->rtnh_len) <= (len))
    357 #define RTNH_NEXT(rtnh)	((struct rtnexthop*)(((char*)(rtnh)) + RTNH_ALIGN((rtnh)->rtnh_len)))
    358 #define RTNH_LENGTH(len) (RTNH_ALIGN(sizeof(struct rtnexthop)) + (len))
    359 #define RTNH_SPACE(len)	RTNH_ALIGN(RTNH_LENGTH(len))
    360 #define RTNH_DATA(rtnh)   ((struct rtattr*)(((char*)(rtnh)) + RTNH_LENGTH(0)))
    361 
    362 /* RTA_VIA */
    363 struct rtvia {
    364 	__kernel_sa_family_t	rtvia_family;
    365 	__u8			rtvia_addr[0];
    366 };
    367 
    368 /* RTM_CACHEINFO */
    369 
    370 struct rta_cacheinfo {
    371 	__u32	rta_clntref;
    372 	__u32	rta_lastuse;
    373 	__s32	rta_expires;
    374 	__u32	rta_error;
    375 	__u32	rta_used;
    376 
    377 #define RTNETLINK_HAVE_PEERINFO 1
    378 	__u32	rta_id;
    379 	__u32	rta_ts;
    380 	__u32	rta_tsage;
    381 };
    382 
    383 /* RTM_METRICS --- array of struct rtattr with types of RTAX_* */
    384 
    385 enum {
    386 	RTAX_UNSPEC,
    387 #define RTAX_UNSPEC RTAX_UNSPEC
    388 	RTAX_LOCK,
    389 #define RTAX_LOCK RTAX_LOCK
    390 	RTAX_MTU,
    391 #define RTAX_MTU RTAX_MTU
    392 	RTAX_WINDOW,
    393 #define RTAX_WINDOW RTAX_WINDOW
    394 	RTAX_RTT,
    395 #define RTAX_RTT RTAX_RTT
    396 	RTAX_RTTVAR,
    397 #define RTAX_RTTVAR RTAX_RTTVAR
    398 	RTAX_SSTHRESH,
    399 #define RTAX_SSTHRESH RTAX_SSTHRESH
    400 	RTAX_CWND,
    401 #define RTAX_CWND RTAX_CWND
    402 	RTAX_ADVMSS,
    403 #define RTAX_ADVMSS RTAX_ADVMSS
    404 	RTAX_REORDERING,
    405 #define RTAX_REORDERING RTAX_REORDERING
    406 	RTAX_HOPLIMIT,
    407 #define RTAX_HOPLIMIT RTAX_HOPLIMIT
    408 	RTAX_INITCWND,
    409 #define RTAX_INITCWND RTAX_INITCWND
    410 	RTAX_FEATURES,
    411 #define RTAX_FEATURES RTAX_FEATURES
    412 	RTAX_RTO_MIN,
    413 #define RTAX_RTO_MIN RTAX_RTO_MIN
    414 	RTAX_INITRWND,
    415 #define RTAX_INITRWND RTAX_INITRWND
    416 	RTAX_QUICKACK,
    417 #define RTAX_QUICKACK RTAX_QUICKACK
    418 	RTAX_CC_ALGO,
    419 #define RTAX_CC_ALGO RTAX_CC_ALGO
    420 	__RTAX_MAX
    421 };
    422 
    423 #define RTAX_MAX (__RTAX_MAX - 1)
    424 
    425 #define RTAX_FEATURE_ECN	(1 << 0)
    426 #define RTAX_FEATURE_SACK	(1 << 1)
    427 #define RTAX_FEATURE_TIMESTAMP	(1 << 2)
    428 #define RTAX_FEATURE_ALLFRAG	(1 << 3)
    429 
    430 #define RTAX_FEATURE_MASK	(RTAX_FEATURE_ECN | RTAX_FEATURE_SACK | \
    431 				 RTAX_FEATURE_TIMESTAMP | RTAX_FEATURE_ALLFRAG)
    432 
    433 struct rta_session {
    434 	__u8	proto;
    435 	__u8	pad1;
    436 	__u16	pad2;
    437 
    438 	union {
    439 		struct {
    440 			__u16	sport;
    441 			__u16	dport;
    442 		} ports;
    443 
    444 		struct {
    445 			__u8	type;
    446 			__u8	code;
    447 			__u16	ident;
    448 		} icmpt;
    449 
    450 		__u32		spi;
    451 	} u;
    452 };
    453 
    454 struct rta_mfc_stats {
    455 	__u64	mfcs_packets;
    456 	__u64	mfcs_bytes;
    457 	__u64	mfcs_wrong_if;
    458 };
    459 
    460 /****
    461  *		General form of address family dependent message.
    462  ****/
    463 
    464 struct rtgenmsg {
    465 	unsigned char		rtgen_family;
    466 };
    467 
    468 /*****************************************************************
    469  *		Link layer specific messages.
    470  ****/
    471 
    472 /* struct ifinfomsg
    473  * passes link level specific information, not dependent
    474  * on network protocol.
    475  */
    476 
    477 struct ifinfomsg {
    478 	unsigned char	ifi_family;
    479 	unsigned char	__ifi_pad;
    480 	unsigned short	ifi_type;		/* ARPHRD_* */
    481 	int		ifi_index;		/* Link index	*/
    482 	unsigned	ifi_flags;		/* IFF_* flags	*/
    483 	unsigned	ifi_change;		/* IFF_* change mask */
    484 };
    485 
    486 /********************************************************************
    487  *		prefix information
    488  ****/
    489 
    490 struct prefixmsg {
    491 	unsigned char	prefix_family;
    492 	unsigned char	prefix_pad1;
    493 	unsigned short	prefix_pad2;
    494 	int		prefix_ifindex;
    495 	unsigned char	prefix_type;
    496 	unsigned char	prefix_len;
    497 	unsigned char	prefix_flags;
    498 	unsigned char	prefix_pad3;
    499 };
    500 
    501 enum
    502 {
    503 	PREFIX_UNSPEC,
    504 	PREFIX_ADDRESS,
    505 	PREFIX_CACHEINFO,
    506 	__PREFIX_MAX
    507 };
    508 
    509 #define PREFIX_MAX	(__PREFIX_MAX - 1)
    510 
    511 struct prefix_cacheinfo {
    512 	__u32	preferred_time;
    513 	__u32	valid_time;
    514 };
    515 
    516 
    517 /*****************************************************************
    518  *		Traffic control messages.
    519  ****/
    520 
    521 struct tcmsg {
    522 	unsigned char	tcm_family;
    523 	unsigned char	tcm__pad1;
    524 	unsigned short	tcm__pad2;
    525 	int		tcm_ifindex;
    526 	__u32		tcm_handle;
    527 	__u32		tcm_parent;
    528 	__u32		tcm_info;
    529 };
    530 
    531 enum {
    532 	TCA_UNSPEC,
    533 	TCA_KIND,
    534 	TCA_OPTIONS,
    535 	TCA_STATS,
    536 	TCA_XSTATS,
    537 	TCA_RATE,
    538 	TCA_FCNT,
    539 	TCA_STATS2,
    540 	TCA_STAB,
    541 	__TCA_MAX
    542 };
    543 
    544 #define TCA_MAX (__TCA_MAX - 1)
    545 
    546 #define TCA_RTA(r)  ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct tcmsg))))
    547 #define TCA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcmsg))
    548 
    549 /********************************************************************
    550  *		Neighbor Discovery userland options
    551  ****/
    552 
    553 struct nduseroptmsg {
    554 	unsigned char	nduseropt_family;
    555 	unsigned char	nduseropt_pad1;
    556 	unsigned short	nduseropt_opts_len;	/* Total length of options */
    557 	int		nduseropt_ifindex;
    558 	__u8		nduseropt_icmp_type;
    559 	__u8		nduseropt_icmp_code;
    560 	unsigned short	nduseropt_pad2;
    561 	unsigned int	nduseropt_pad3;
    562 	/* Followed by one or more ND options */
    563 };
    564 
    565 enum {
    566 	NDUSEROPT_UNSPEC,
    567 	NDUSEROPT_SRCADDR,
    568 	__NDUSEROPT_MAX
    569 };
    570 
    571 #define NDUSEROPT_MAX	(__NDUSEROPT_MAX - 1)
    572 
    573 /* RTnetlink multicast groups - backwards compatibility for userspace */
    574 #define RTMGRP_LINK		1
    575 #define RTMGRP_NOTIFY		2
    576 #define RTMGRP_NEIGH		4
    577 #define RTMGRP_TC		8
    578 
    579 #define RTMGRP_IPV4_IFADDR	0x10
    580 #define RTMGRP_IPV4_MROUTE	0x20
    581 #define RTMGRP_IPV4_ROUTE	0x40
    582 #define RTMGRP_IPV4_RULE	0x80
    583 
    584 #define RTMGRP_IPV6_IFADDR	0x100
    585 #define RTMGRP_IPV6_MROUTE	0x200
    586 #define RTMGRP_IPV6_ROUTE	0x400
    587 #define RTMGRP_IPV6_IFINFO	0x800
    588 
    589 #define RTMGRP_DECnet_IFADDR    0x1000
    590 #define RTMGRP_DECnet_ROUTE     0x4000
    591 
    592 #define RTMGRP_IPV6_PREFIX	0x20000
    593 
    594 /* RTnetlink multicast groups */
    595 enum rtnetlink_groups {
    596 	RTNLGRP_NONE,
    597 #define RTNLGRP_NONE		RTNLGRP_NONE
    598 	RTNLGRP_LINK,
    599 #define RTNLGRP_LINK		RTNLGRP_LINK
    600 	RTNLGRP_NOTIFY,
    601 #define RTNLGRP_NOTIFY		RTNLGRP_NOTIFY
    602 	RTNLGRP_NEIGH,
    603 #define RTNLGRP_NEIGH		RTNLGRP_NEIGH
    604 	RTNLGRP_TC,
    605 #define RTNLGRP_TC		RTNLGRP_TC
    606 	RTNLGRP_IPV4_IFADDR,
    607 #define RTNLGRP_IPV4_IFADDR	RTNLGRP_IPV4_IFADDR
    608 	RTNLGRP_IPV4_MROUTE,
    609 #define	RTNLGRP_IPV4_MROUTE	RTNLGRP_IPV4_MROUTE
    610 	RTNLGRP_IPV4_ROUTE,
    611 #define RTNLGRP_IPV4_ROUTE	RTNLGRP_IPV4_ROUTE
    612 	RTNLGRP_IPV4_RULE,
    613 #define RTNLGRP_IPV4_RULE	RTNLGRP_IPV4_RULE
    614 	RTNLGRP_IPV6_IFADDR,
    615 #define RTNLGRP_IPV6_IFADDR	RTNLGRP_IPV6_IFADDR
    616 	RTNLGRP_IPV6_MROUTE,
    617 #define RTNLGRP_IPV6_MROUTE	RTNLGRP_IPV6_MROUTE
    618 	RTNLGRP_IPV6_ROUTE,
    619 #define RTNLGRP_IPV6_ROUTE	RTNLGRP_IPV6_ROUTE
    620 	RTNLGRP_IPV6_IFINFO,
    621 #define RTNLGRP_IPV6_IFINFO	RTNLGRP_IPV6_IFINFO
    622 	RTNLGRP_DECnet_IFADDR,
    623 #define RTNLGRP_DECnet_IFADDR	RTNLGRP_DECnet_IFADDR
    624 	RTNLGRP_NOP2,
    625 	RTNLGRP_DECnet_ROUTE,
    626 #define RTNLGRP_DECnet_ROUTE	RTNLGRP_DECnet_ROUTE
    627 	RTNLGRP_DECnet_RULE,
    628 #define RTNLGRP_DECnet_RULE	RTNLGRP_DECnet_RULE
    629 	RTNLGRP_NOP4,
    630 	RTNLGRP_IPV6_PREFIX,
    631 #define RTNLGRP_IPV6_PREFIX	RTNLGRP_IPV6_PREFIX
    632 	RTNLGRP_IPV6_RULE,
    633 #define RTNLGRP_IPV6_RULE	RTNLGRP_IPV6_RULE
    634 	RTNLGRP_ND_USEROPT,
    635 #define RTNLGRP_ND_USEROPT	RTNLGRP_ND_USEROPT
    636 	RTNLGRP_PHONET_IFADDR,
    637 #define RTNLGRP_PHONET_IFADDR	RTNLGRP_PHONET_IFADDR
    638 	RTNLGRP_PHONET_ROUTE,
    639 #define RTNLGRP_PHONET_ROUTE	RTNLGRP_PHONET_ROUTE
    640 	RTNLGRP_DCB,
    641 #define RTNLGRP_DCB		RTNLGRP_DCB
    642 	RTNLGRP_IPV4_NETCONF,
    643 #define RTNLGRP_IPV4_NETCONF	RTNLGRP_IPV4_NETCONF
    644 	RTNLGRP_IPV6_NETCONF,
    645 #define RTNLGRP_IPV6_NETCONF	RTNLGRP_IPV6_NETCONF
    646 	RTNLGRP_MDB,
    647 #define RTNLGRP_MDB		RTNLGRP_MDB
    648 	RTNLGRP_MPLS_ROUTE,
    649 #define RTNLGRP_MPLS_ROUTE	RTNLGRP_MPLS_ROUTE
    650 	RTNLGRP_NSID,
    651 #define RTNLGRP_NSID		RTNLGRP_NSID
    652 	__RTNLGRP_MAX
    653 };
    654 #define RTNLGRP_MAX	(__RTNLGRP_MAX - 1)
    655 
    656 /* TC action piece */
    657 struct tcamsg {
    658 	unsigned char	tca_family;
    659 	unsigned char	tca__pad1;
    660 	unsigned short	tca__pad2;
    661 };
    662 #define TA_RTA(r)  ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct tcamsg))))
    663 #define TA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcamsg))
    664 #define TCA_ACT_TAB 1 /* attr type must be >=1 */
    665 #define TCAA_MAX 1
    666 
    667 /* New extended info filters for IFLA_EXT_MASK */
    668 #define RTEXT_FILTER_VF		(1 << 0)
    669 #define RTEXT_FILTER_BRVLAN	(1 << 1)
    670 #define RTEXT_FILTER_BRVLAN_COMPRESSED	(1 << 2)
    671 #define	RTEXT_FILTER_SKIP_STATS	(1 << 3)
    672 
    673 /* End of information exported to user level */
    674 
    675 
    676 
    677 #endif /* __LINUX_RTNETLINK_H */
    678