linux/include/uapi/linux/rtnetlink.h
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   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
  24enum {
  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_MAX,
 182#define RTM_MAX         (((__RTM_MAX + 3) & ~3) - 1)
 183};
 184
 185#define RTM_NR_MSGTYPES (RTM_MAX + 1 - RTM_BASE)
 186#define RTM_NR_FAMILIES (RTM_NR_MSGTYPES >> 2)
 187#define RTM_FAM(cmd)    (((cmd) - RTM_BASE) >> 2)
 188
 189/* 
 190   Generic structure for encapsulation of optional route information.
 191   It is reminiscent of sockaddr, but with sa_family replaced
 192   with attribute type.
 193 */
 194
 195struct rtattr {
 196        unsigned short  rta_len;
 197        unsigned short  rta_type;
 198};
 199
 200/* Macros to handle rtattributes */
 201
 202#define RTA_ALIGNTO     4U
 203#define RTA_ALIGN(len) ( ((len)+RTA_ALIGNTO-1) & ~(RTA_ALIGNTO-1) )
 204#define RTA_OK(rta,len) ((len) >= (int)sizeof(struct rtattr) && \
 205                         (rta)->rta_len >= sizeof(struct rtattr) && \
 206                         (rta)->rta_len <= (len))
 207#define RTA_NEXT(rta,attrlen)   ((attrlen) -= RTA_ALIGN((rta)->rta_len), \
 208                                 (struct rtattr*)(((char*)(rta)) + RTA_ALIGN((rta)->rta_len)))
 209#define RTA_LENGTH(len) (RTA_ALIGN(sizeof(struct rtattr)) + (len))
 210#define RTA_SPACE(len)  RTA_ALIGN(RTA_LENGTH(len))
 211#define RTA_DATA(rta)   ((void*)(((char*)(rta)) + RTA_LENGTH(0)))
 212#define RTA_PAYLOAD(rta) ((int)((rta)->rta_len) - RTA_LENGTH(0))
 213
 214
 215
 216
 217/******************************************************************************
 218 *              Definitions used in routing table administration.
 219 ****/
 220
 221struct rtmsg {
 222        unsigned char           rtm_family;
 223        unsigned char           rtm_dst_len;
 224        unsigned char           rtm_src_len;
 225        unsigned char           rtm_tos;
 226
 227        unsigned char           rtm_table;      /* Routing table id */
 228        unsigned char           rtm_protocol;   /* Routing protocol; see below  */
 229        unsigned char           rtm_scope;      /* See below */ 
 230        unsigned char           rtm_type;       /* See below    */
 231
 232        unsigned                rtm_flags;
 233};
 234
 235/* rtm_type */
 236
 237enum {
 238        RTN_UNSPEC,
 239        RTN_UNICAST,            /* Gateway or direct route      */
 240        RTN_LOCAL,              /* Accept locally               */
 241        RTN_BROADCAST,          /* Accept locally as broadcast,
 242                                   send as broadcast */
 243        RTN_ANYCAST,            /* Accept locally as broadcast,
 244                                   but send as unicast */
 245        RTN_MULTICAST,          /* Multicast route              */
 246        RTN_BLACKHOLE,          /* Drop                         */
 247        RTN_UNREACHABLE,        /* Destination is unreachable   */
 248        RTN_PROHIBIT,           /* Administratively prohibited  */
 249        RTN_THROW,              /* Not in this table            */
 250        RTN_NAT,                /* Translate this address       */
 251        RTN_XRESOLVE,           /* Use external resolver        */
 252        __RTN_MAX
 253};
 254
 255#define RTN_MAX (__RTN_MAX - 1)
 256
 257
 258/* rtm_protocol */
 259
 260#define RTPROT_UNSPEC           0
 261#define RTPROT_REDIRECT         1       /* Route installed by ICMP redirects;
 262                                           not used by current IPv4 */
 263#define RTPROT_KERNEL           2       /* Route installed by kernel            */
 264#define RTPROT_BOOT             3       /* Route installed during boot          */
 265#define RTPROT_STATIC           4       /* Route installed by administrator     */
 266
 267/* Values of protocol >= RTPROT_STATIC are not interpreted by kernel;
 268   they are just passed from user and back as is.
 269   It will be used by hypothetical multiple routing daemons.
 270   Note that protocol values should be standardized in order to
 271   avoid conflicts.
 272 */
 273
 274#define RTPROT_GATED            8       /* Apparently, GateD */
 275#define RTPROT_RA               9       /* RDISC/ND router advertisements */
 276#define RTPROT_MRT              10      /* Merit MRT */
 277#define RTPROT_ZEBRA            11      /* Zebra */
 278#define RTPROT_BIRD             12      /* BIRD */
 279#define RTPROT_DNROUTED         13      /* DECnet routing daemon */
 280#define RTPROT_XORP             14      /* XORP */
 281#define RTPROT_NTK              15      /* Netsukuku */
 282#define RTPROT_DHCP             16      /* DHCP client */
 283#define RTPROT_MROUTED          17      /* Multicast daemon */
 284#define RTPROT_KEEPALIVED       18      /* Keepalived daemon */
 285#define RTPROT_BABEL            42      /* Babel daemon */
 286#define RTPROT_BGP              186     /* BGP Routes */
 287#define RTPROT_ISIS             187     /* ISIS Routes */
 288#define RTPROT_OSPF             188     /* OSPF Routes */
 289#define RTPROT_RIP              189     /* RIP Routes */
 290#define RTPROT_EIGRP            192     /* EIGRP Routes */
 291
 292/* rtm_scope
 293
 294   Really it is not scope, but sort of distance to the destination.
 295   NOWHERE are reserved for not existing destinations, HOST is our
 296   local addresses, LINK are destinations, located on directly attached
 297   link and UNIVERSE is everywhere in the Universe.
 298
 299   Intermediate values are also possible f.e. interior routes
 300   could be assigned a value between UNIVERSE and LINK.
 301*/
 302
 303enum rt_scope_t {
 304        RT_SCOPE_UNIVERSE=0,
 305/* User defined values  */
 306        RT_SCOPE_SITE=200,
 307        RT_SCOPE_LINK=253,
 308        RT_SCOPE_HOST=254,
 309        RT_SCOPE_NOWHERE=255
 310};
 311
 312/* rtm_flags */
 313
 314#define RTM_F_NOTIFY            0x100   /* Notify user of route change  */
 315#define RTM_F_CLONED            0x200   /* This route is cloned         */
 316#define RTM_F_EQUALIZE          0x400   /* Multipath equalizer: NI      */
 317#define RTM_F_PREFIX            0x800   /* Prefix addresses             */
 318#define RTM_F_LOOKUP_TABLE      0x1000  /* set rtm_table to FIB lookup result */
 319#define RTM_F_FIB_MATCH         0x2000  /* return full fib lookup match */
 320#define RTM_F_OFFLOAD           0x4000  /* route is offloaded */
 321#define RTM_F_TRAP              0x8000  /* route is trapping packets */
 322
 323/* Reserved table identifiers */
 324
 325enum rt_class_t {
 326        RT_TABLE_UNSPEC=0,
 327/* User defined values */
 328        RT_TABLE_COMPAT=252,
 329        RT_TABLE_DEFAULT=253,
 330        RT_TABLE_MAIN=254,
 331        RT_TABLE_LOCAL=255,
 332        RT_TABLE_MAX=0xFFFFFFFF
 333};
 334
 335
 336/* Routing message attributes */
 337
 338enum rtattr_type_t {
 339        RTA_UNSPEC,
 340        RTA_DST,
 341        RTA_SRC,
 342        RTA_IIF,
 343        RTA_OIF,
 344        RTA_GATEWAY,
 345        RTA_PRIORITY,
 346        RTA_PREFSRC,
 347        RTA_METRICS,
 348        RTA_MULTIPATH,
 349        RTA_PROTOINFO, /* no longer used */
 350        RTA_FLOW,
 351        RTA_CACHEINFO,
 352        RTA_SESSION, /* no longer used */
 353        RTA_MP_ALGO, /* no longer used */
 354        RTA_TABLE,
 355        RTA_MARK,
 356        RTA_MFC_STATS,
 357        RTA_VIA,
 358        RTA_NEWDST,
 359        RTA_PREF,
 360        RTA_ENCAP_TYPE,
 361        RTA_ENCAP,
 362        RTA_EXPIRES,
 363        RTA_PAD,
 364        RTA_UID,
 365        RTA_TTL_PROPAGATE,
 366        RTA_IP_PROTO,
 367        RTA_SPORT,
 368        RTA_DPORT,
 369        RTA_NH_ID,
 370        __RTA_MAX
 371};
 372
 373#define RTA_MAX (__RTA_MAX - 1)
 374
 375#define RTM_RTA(r)  ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct rtmsg))))
 376#define RTM_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct rtmsg))
 377
 378/* RTM_MULTIPATH --- array of struct rtnexthop.
 379 *
 380 * "struct rtnexthop" describes all necessary nexthop information,
 381 * i.e. parameters of path to a destination via this nexthop.
 382 *
 383 * At the moment it is impossible to set different prefsrc, mtu, window
 384 * and rtt for different paths from multipath.
 385 */
 386
 387struct rtnexthop {
 388        unsigned short          rtnh_len;
 389        unsigned char           rtnh_flags;
 390        unsigned char           rtnh_hops;
 391        int                     rtnh_ifindex;
 392};
 393
 394/* rtnh_flags */
 395
 396#define RTNH_F_DEAD             1       /* Nexthop is dead (used by multipath)  */
 397#define RTNH_F_PERVASIVE        2       /* Do recursive gateway lookup  */
 398#define RTNH_F_ONLINK           4       /* Gateway is forced on link    */
 399#define RTNH_F_OFFLOAD          8       /* offloaded route */
 400#define RTNH_F_LINKDOWN         16      /* carrier-down on nexthop */
 401#define RTNH_F_UNRESOLVED       32      /* The entry is unresolved (ipmr) */
 402
 403#define RTNH_COMPARE_MASK       (RTNH_F_DEAD | RTNH_F_LINKDOWN | RTNH_F_OFFLOAD)
 404
 405/* Macros to handle hexthops */
 406
 407#define RTNH_ALIGNTO    4
 408#define RTNH_ALIGN(len) ( ((len)+RTNH_ALIGNTO-1) & ~(RTNH_ALIGNTO-1) )
 409#define RTNH_OK(rtnh,len) ((rtnh)->rtnh_len >= sizeof(struct rtnexthop) && \
 410                           ((int)(rtnh)->rtnh_len) <= (len))
 411#define RTNH_NEXT(rtnh) ((struct rtnexthop*)(((char*)(rtnh)) + RTNH_ALIGN((rtnh)->rtnh_len)))
 412#define RTNH_LENGTH(len) (RTNH_ALIGN(sizeof(struct rtnexthop)) + (len))
 413#define RTNH_SPACE(len) RTNH_ALIGN(RTNH_LENGTH(len))
 414#define RTNH_DATA(rtnh)   ((struct rtattr*)(((char*)(rtnh)) + RTNH_LENGTH(0)))
 415
 416/* RTA_VIA */
 417struct rtvia {
 418        __kernel_sa_family_t    rtvia_family;
 419        __u8                    rtvia_addr[0];
 420};
 421
 422/* RTM_CACHEINFO */
 423
 424struct rta_cacheinfo {
 425        __u32   rta_clntref;
 426        __u32   rta_lastuse;
 427        __s32   rta_expires;
 428        __u32   rta_error;
 429        __u32   rta_used;
 430
 431#define RTNETLINK_HAVE_PEERINFO 1
 432        __u32   rta_id;
 433        __u32   rta_ts;
 434        __u32   rta_tsage;
 435};
 436
 437/* RTM_METRICS --- array of struct rtattr with types of RTAX_* */
 438
 439enum {
 440        RTAX_UNSPEC,
 441#define RTAX_UNSPEC RTAX_UNSPEC
 442        RTAX_LOCK,
 443#define RTAX_LOCK RTAX_LOCK
 444        RTAX_MTU,
 445#define RTAX_MTU RTAX_MTU
 446        RTAX_WINDOW,
 447#define RTAX_WINDOW RTAX_WINDOW
 448        RTAX_RTT,
 449#define RTAX_RTT RTAX_RTT
 450        RTAX_RTTVAR,
 451#define RTAX_RTTVAR RTAX_RTTVAR
 452        RTAX_SSTHRESH,
 453#define RTAX_SSTHRESH RTAX_SSTHRESH
 454        RTAX_CWND,
 455#define RTAX_CWND RTAX_CWND
 456        RTAX_ADVMSS,
 457#define RTAX_ADVMSS RTAX_ADVMSS
 458        RTAX_REORDERING,
 459#define RTAX_REORDERING RTAX_REORDERING
 460        RTAX_HOPLIMIT,
 461#define RTAX_HOPLIMIT RTAX_HOPLIMIT
 462        RTAX_INITCWND,
 463#define RTAX_INITCWND RTAX_INITCWND
 464        RTAX_FEATURES,
 465#define RTAX_FEATURES RTAX_FEATURES
 466        RTAX_RTO_MIN,
 467#define RTAX_RTO_MIN RTAX_RTO_MIN
 468        RTAX_INITRWND,
 469#define RTAX_INITRWND RTAX_INITRWND
 470        RTAX_QUICKACK,
 471#define RTAX_QUICKACK RTAX_QUICKACK
 472        RTAX_CC_ALGO,
 473#define RTAX_CC_ALGO RTAX_CC_ALGO
 474        RTAX_FASTOPEN_NO_COOKIE,
 475#define RTAX_FASTOPEN_NO_COOKIE RTAX_FASTOPEN_NO_COOKIE
 476        __RTAX_MAX
 477};
 478
 479#define RTAX_MAX (__RTAX_MAX - 1)
 480
 481#define RTAX_FEATURE_ECN        (1 << 0)
 482#define RTAX_FEATURE_SACK       (1 << 1)
 483#define RTAX_FEATURE_TIMESTAMP  (1 << 2)
 484#define RTAX_FEATURE_ALLFRAG    (1 << 3)
 485
 486#define RTAX_FEATURE_MASK       (RTAX_FEATURE_ECN | RTAX_FEATURE_SACK | \
 487                                 RTAX_FEATURE_TIMESTAMP | RTAX_FEATURE_ALLFRAG)
 488
 489struct rta_session {
 490        __u8    proto;
 491        __u8    pad1;
 492        __u16   pad2;
 493
 494        union {
 495                struct {
 496                        __u16   sport;
 497                        __u16   dport;
 498                } ports;
 499
 500                struct {
 501                        __u8    type;
 502                        __u8    code;
 503                        __u16   ident;
 504                } icmpt;
 505
 506                __u32           spi;
 507        } u;
 508};
 509
 510struct rta_mfc_stats {
 511        __u64   mfcs_packets;
 512        __u64   mfcs_bytes;
 513        __u64   mfcs_wrong_if;
 514};
 515
 516/****
 517 *              General form of address family dependent message.
 518 ****/
 519
 520struct rtgenmsg {
 521        unsigned char           rtgen_family;
 522};
 523
 524/*****************************************************************
 525 *              Link layer specific messages.
 526 ****/
 527
 528/* struct ifinfomsg
 529 * passes link level specific information, not dependent
 530 * on network protocol.
 531 */
 532
 533struct ifinfomsg {
 534        unsigned char   ifi_family;
 535        unsigned char   __ifi_pad;
 536        unsigned short  ifi_type;               /* ARPHRD_* */
 537        int             ifi_index;              /* Link index   */
 538        unsigned        ifi_flags;              /* IFF_* flags  */
 539        unsigned        ifi_change;             /* IFF_* change mask */
 540};
 541
 542/********************************************************************
 543 *              prefix information 
 544 ****/
 545
 546struct prefixmsg {
 547        unsigned char   prefix_family;
 548        unsigned char   prefix_pad1;
 549        unsigned short  prefix_pad2;
 550        int             prefix_ifindex;
 551        unsigned char   prefix_type;
 552        unsigned char   prefix_len;
 553        unsigned char   prefix_flags;
 554        unsigned char   prefix_pad3;
 555};
 556
 557enum 
 558{
 559        PREFIX_UNSPEC,
 560        PREFIX_ADDRESS,
 561        PREFIX_CACHEINFO,
 562        __PREFIX_MAX
 563};
 564
 565#define PREFIX_MAX      (__PREFIX_MAX - 1)
 566
 567struct prefix_cacheinfo {
 568        __u32   preferred_time;
 569        __u32   valid_time;
 570};
 571
 572
 573/*****************************************************************
 574 *              Traffic control messages.
 575 ****/
 576
 577struct tcmsg {
 578        unsigned char   tcm_family;
 579        unsigned char   tcm__pad1;
 580        unsigned short  tcm__pad2;
 581        int             tcm_ifindex;
 582        __u32           tcm_handle;
 583        __u32           tcm_parent;
 584/* tcm_block_index is used instead of tcm_parent
 585 * in case tcm_ifindex == TCM_IFINDEX_MAGIC_BLOCK
 586 */
 587#define tcm_block_index tcm_parent
 588        __u32           tcm_info;
 589};
 590
 591/* For manipulation of filters in shared block, tcm_ifindex is set to
 592 * TCM_IFINDEX_MAGIC_BLOCK, and tcm_parent is aliased to tcm_block_index
 593 * which is the block index.
 594 */
 595#define TCM_IFINDEX_MAGIC_BLOCK (0xFFFFFFFFU)
 596
 597enum {
 598        TCA_UNSPEC,
 599        TCA_KIND,
 600        TCA_OPTIONS,
 601        TCA_STATS,
 602        TCA_XSTATS,
 603        TCA_RATE,
 604        TCA_FCNT,
 605        TCA_STATS2,
 606        TCA_STAB,
 607        TCA_PAD,
 608        TCA_DUMP_INVISIBLE,
 609        TCA_CHAIN,
 610        TCA_HW_OFFLOAD,
 611        TCA_INGRESS_BLOCK,
 612        TCA_EGRESS_BLOCK,
 613        TCA_DUMP_FLAGS,
 614        __TCA_MAX
 615};
 616
 617#define TCA_MAX (__TCA_MAX - 1)
 618
 619#define TCA_DUMP_FLAGS_TERSE (1 << 0) /* Means that in dump user gets only basic
 620                                       * data necessary to identify the objects
 621                                       * (handle, cookie, etc.) and stats.
 622                                       */
 623
 624#define TCA_RTA(r)  ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct tcmsg))))
 625#define TCA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcmsg))
 626
 627/********************************************************************
 628 *              Neighbor Discovery userland options
 629 ****/
 630
 631struct nduseroptmsg {
 632        unsigned char   nduseropt_family;
 633        unsigned char   nduseropt_pad1;
 634        unsigned short  nduseropt_opts_len;     /* Total length of options */
 635        int             nduseropt_ifindex;
 636        __u8            nduseropt_icmp_type;
 637        __u8            nduseropt_icmp_code;
 638        unsigned short  nduseropt_pad2;
 639        unsigned int    nduseropt_pad3;
 640        /* Followed by one or more ND options */
 641};
 642
 643enum {
 644        NDUSEROPT_UNSPEC,
 645        NDUSEROPT_SRCADDR,
 646        __NDUSEROPT_MAX
 647};
 648
 649#define NDUSEROPT_MAX   (__NDUSEROPT_MAX - 1)
 650
 651#ifndef __KERNEL__
 652/* RTnetlink multicast groups - backwards compatibility for userspace */
 653#define RTMGRP_LINK             1
 654#define RTMGRP_NOTIFY           2
 655#define RTMGRP_NEIGH            4
 656#define RTMGRP_TC               8
 657
 658#define RTMGRP_IPV4_IFADDR      0x10
 659#define RTMGRP_IPV4_MROUTE      0x20
 660#define RTMGRP_IPV4_ROUTE       0x40
 661#define RTMGRP_IPV4_RULE        0x80
 662
 663#define RTMGRP_IPV6_IFADDR      0x100
 664#define RTMGRP_IPV6_MROUTE      0x200
 665#define RTMGRP_IPV6_ROUTE       0x400
 666#define RTMGRP_IPV6_IFINFO      0x800
 667
 668#define RTMGRP_DECnet_IFADDR    0x1000
 669#define RTMGRP_DECnet_ROUTE     0x4000
 670
 671#define RTMGRP_IPV6_PREFIX      0x20000
 672#endif
 673
 674/* RTnetlink multicast groups */
 675enum rtnetlink_groups {
 676        RTNLGRP_NONE,
 677#define RTNLGRP_NONE            RTNLGRP_NONE
 678        RTNLGRP_LINK,
 679#define RTNLGRP_LINK            RTNLGRP_LINK
 680        RTNLGRP_NOTIFY,
 681#define RTNLGRP_NOTIFY          RTNLGRP_NOTIFY
 682        RTNLGRP_NEIGH,
 683#define RTNLGRP_NEIGH           RTNLGRP_NEIGH
 684        RTNLGRP_TC,
 685#define RTNLGRP_TC              RTNLGRP_TC
 686        RTNLGRP_IPV4_IFADDR,
 687#define RTNLGRP_IPV4_IFADDR     RTNLGRP_IPV4_IFADDR
 688        RTNLGRP_IPV4_MROUTE,
 689#define RTNLGRP_IPV4_MROUTE     RTNLGRP_IPV4_MROUTE
 690        RTNLGRP_IPV4_ROUTE,
 691#define RTNLGRP_IPV4_ROUTE      RTNLGRP_IPV4_ROUTE
 692        RTNLGRP_IPV4_RULE,
 693#define RTNLGRP_IPV4_RULE       RTNLGRP_IPV4_RULE
 694        RTNLGRP_IPV6_IFADDR,
 695#define RTNLGRP_IPV6_IFADDR     RTNLGRP_IPV6_IFADDR
 696        RTNLGRP_IPV6_MROUTE,
 697#define RTNLGRP_IPV6_MROUTE     RTNLGRP_IPV6_MROUTE
 698        RTNLGRP_IPV6_ROUTE,
 699#define RTNLGRP_IPV6_ROUTE      RTNLGRP_IPV6_ROUTE
 700        RTNLGRP_IPV6_IFINFO,
 701#define RTNLGRP_IPV6_IFINFO     RTNLGRP_IPV6_IFINFO
 702        RTNLGRP_DECnet_IFADDR,
 703#define RTNLGRP_DECnet_IFADDR   RTNLGRP_DECnet_IFADDR
 704        RTNLGRP_NOP2,
 705        RTNLGRP_DECnet_ROUTE,
 706#define RTNLGRP_DECnet_ROUTE    RTNLGRP_DECnet_ROUTE
 707        RTNLGRP_DECnet_RULE,
 708#define RTNLGRP_DECnet_RULE     RTNLGRP_DECnet_RULE
 709        RTNLGRP_NOP4,
 710        RTNLGRP_IPV6_PREFIX,
 711#define RTNLGRP_IPV6_PREFIX     RTNLGRP_IPV6_PREFIX
 712        RTNLGRP_IPV6_RULE,
 713#define RTNLGRP_IPV6_RULE       RTNLGRP_IPV6_RULE
 714        RTNLGRP_ND_USEROPT,
 715#define RTNLGRP_ND_USEROPT      RTNLGRP_ND_USEROPT
 716        RTNLGRP_PHONET_IFADDR,
 717#define RTNLGRP_PHONET_IFADDR   RTNLGRP_PHONET_IFADDR
 718        RTNLGRP_PHONET_ROUTE,
 719#define RTNLGRP_PHONET_ROUTE    RTNLGRP_PHONET_ROUTE
 720        RTNLGRP_DCB,
 721#define RTNLGRP_DCB             RTNLGRP_DCB
 722        RTNLGRP_IPV4_NETCONF,
 723#define RTNLGRP_IPV4_NETCONF    RTNLGRP_IPV4_NETCONF
 724        RTNLGRP_IPV6_NETCONF,
 725#define RTNLGRP_IPV6_NETCONF    RTNLGRP_IPV6_NETCONF
 726        RTNLGRP_MDB,
 727#define RTNLGRP_MDB             RTNLGRP_MDB
 728        RTNLGRP_MPLS_ROUTE,
 729#define RTNLGRP_MPLS_ROUTE      RTNLGRP_MPLS_ROUTE
 730        RTNLGRP_NSID,
 731#define RTNLGRP_NSID            RTNLGRP_NSID
 732        RTNLGRP_MPLS_NETCONF,
 733#define RTNLGRP_MPLS_NETCONF    RTNLGRP_MPLS_NETCONF
 734        RTNLGRP_IPV4_MROUTE_R,
 735#define RTNLGRP_IPV4_MROUTE_R   RTNLGRP_IPV4_MROUTE_R
 736        RTNLGRP_IPV6_MROUTE_R,
 737#define RTNLGRP_IPV6_MROUTE_R   RTNLGRP_IPV6_MROUTE_R
 738        RTNLGRP_NEXTHOP,
 739#define RTNLGRP_NEXTHOP         RTNLGRP_NEXTHOP
 740        RTNLGRP_BRVLAN,
 741#define RTNLGRP_BRVLAN          RTNLGRP_BRVLAN
 742        __RTNLGRP_MAX
 743};
 744#define RTNLGRP_MAX     (__RTNLGRP_MAX - 1)
 745
 746/* TC action piece */
 747struct tcamsg {
 748        unsigned char   tca_family;
 749        unsigned char   tca__pad1;
 750        unsigned short  tca__pad2;
 751};
 752
 753enum {
 754        TCA_ROOT_UNSPEC,
 755        TCA_ROOT_TAB,
 756#define TCA_ACT_TAB TCA_ROOT_TAB
 757#define TCAA_MAX TCA_ROOT_TAB
 758        TCA_ROOT_FLAGS,
 759        TCA_ROOT_COUNT,
 760        TCA_ROOT_TIME_DELTA, /* in msecs */
 761        __TCA_ROOT_MAX,
 762#define TCA_ROOT_MAX (__TCA_ROOT_MAX - 1)
 763};
 764
 765#define TA_RTA(r)  ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct tcamsg))))
 766#define TA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcamsg))
 767/* tcamsg flags stored in attribute TCA_ROOT_FLAGS
 768 *
 769 * TCA_FLAG_LARGE_DUMP_ON user->kernel to request for larger than TCA_ACT_MAX_PRIO
 770 * actions in a dump. All dump responses will contain the number of actions
 771 * being dumped stored in for user app's consumption in TCA_ROOT_COUNT
 772 *
 773 */
 774#define TCA_FLAG_LARGE_DUMP_ON          (1 << 0)
 775
 776/* New extended info filters for IFLA_EXT_MASK */
 777#define RTEXT_FILTER_VF         (1 << 0)
 778#define RTEXT_FILTER_BRVLAN     (1 << 1)
 779#define RTEXT_FILTER_BRVLAN_COMPRESSED  (1 << 2)
 780#define RTEXT_FILTER_SKIP_STATS (1 << 3)
 781#define RTEXT_FILTER_MRP        (1 << 4)
 782
 783/* End of information exported to user level */
 784
 785
 786
 787#endif /* _UAPI__LINUX_RTNETLINK_H */
 788