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