include/uapi/linux/rtnetlink.h

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