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_NEWMULTICAST = 56, 97 #define RTM_NEWMULTICAST RTM_NEWMULTICAST 98 RTM_DELMULTICAST, 99 #define RTM_DELMULTICAST RTM_DELMULTICAST 100 RTM_GETMULTICAST, 101 #define RTM_GETMULTICAST RTM_GETMULTICAST 102 103 RTM_GETANYCAST = 62, 104 #define RTM_GETANYCAST RTM_GETANYCAST 105 106 RTM_NEWNEIGHTBL = 64, 107 #define RTM_NEWNEIGHTBL RTM_NEWNEIGHTBL 108 RTM_GETNEIGHTBL = 66, 109 #define RTM_GETNEIGHTBL RTM_GETNEIGHTBL 110 RTM_SETNEIGHTBL, 111 #define RTM_SETNEIGHTBL RTM_SETNEIGHTBL 112 113 RTM_NEWNDUSEROPT = 68, 114 #define RTM_NEWNDUSEROPT RTM_NEWNDUSEROPT 115 116 RTM_NEWADDRLABEL = 72, 117 #define RTM_NEWADDRLABEL RTM_NEWADDRLABEL 118 RTM_DELADDRLABEL, 119 #define RTM_DELADDRLABEL RTM_DELADDRLABEL 120 RTM_GETADDRLABEL, 121 #define RTM_GETADDRLABEL RTM_GETADDRLABEL 122 123 RTM_GETDCB = 78, 124 #define RTM_GETDCB RTM_GETDCB 125 RTM_SETDCB, 126 #define RTM_SETDCB RTM_SETDCB 127 128 RTM_NEWNETCONF = 80, 129 #define RTM_NEWNETCONF RTM_NEWNETCONF 130 RTM_DELNETCONF, 131 #define RTM_DELNETCONF RTM_DELNETCONF 132 RTM_GETNETCONF = 82, 133 #define RTM_GETNETCONF RTM_GETNETCONF 134 135 RTM_NEWMDB = 84, 136 #define RTM_NEWMDB RTM_NEWMDB 137 RTM_DELMDB = 85, 138 #define RTM_DELMDB RTM_DELMDB 139 RTM_GETMDB = 86, 140 #define RTM_GETMDB RTM_GETMDB 141 142 RTM_NEWNSID = 88, 143 #define RTM_NEWNSID RTM_NEWNSID 144 RTM_DELNSID = 89, 145 #define RTM_DELNSID RTM_DELNSID 146 RTM_GETNSID = 90, 147 #define RTM_GETNSID RTM_GETNSID 148 149 RTM_NEWSTATS = 92, 150 #define RTM_NEWSTATS RTM_NEWSTATS 151 RTM_GETSTATS = 94, 152 #define RTM_GETSTATS RTM_GETSTATS 153 RTM_SETSTATS, 154 #define RTM_SETSTATS RTM_SETSTATS 155 156 RTM_NEWCACHEREPORT = 96, 157 #define RTM_NEWCACHEREPORT RTM_NEWCACHEREPORT 158 159 RTM_NEWCHAIN = 100, 160 #define RTM_NEWCHAIN RTM_NEWCHAIN 161 RTM_DELCHAIN, 162 #define RTM_DELCHAIN RTM_DELCHAIN 163 RTM_GETCHAIN, 164 #define RTM_GETCHAIN RTM_GETCHAIN 165 166 RTM_NEWNEXTHOP = 104, 167 #define RTM_NEWNEXTHOP RTM_NEWNEXTHOP 168 RTM_DELNEXTHOP, 169 #define RTM_DELNEXTHOP RTM_DELNEXTHOP 170 RTM_GETNEXTHOP, 171 #define RTM_GETNEXTHOP RTM_GETNEXTHOP 172 173 RTM_NEWLINKPROP = 108, 174 #define RTM_NEWLINKPROP RTM_NEWLINKPROP 175 RTM_DELLINKPROP, 176 #define RTM_DELLINKPROP RTM_DELLINKPROP 177 RTM_GETLINKPROP, 178 #define RTM_GETLINKPROP RTM_GETLINKPROP 179 180 RTM_NEWVLAN = 112, 181 #define RTM_NEWVLAN RTM_NEWVLAN 182 RTM_DELVLAN, 183 #define RTM_DELVLAN RTM_DELVLAN 184 RTM_GETVLAN, 185 #define RTM_GETVLAN RTM_GETVLAN 186 187 RTM_NEWNEXTHOPBUCKET = 116, 188 #define RTM_NEWNEXTHOPBUCKET RTM_NEWNEXTHOPBUCKET 189 RTM_DELNEXTHOPBUCKET, 190 #define RTM_DELNEXTHOPBUCKET RTM_DELNEXTHOPBUCKET 191 RTM_GETNEXTHOPBUCKET, 192 #define RTM_GETNEXTHOPBUCKET RTM_GETNEXTHOPBUCKET 193 194 RTM_NEWTUNNEL = 120, 195 #define RTM_NEWTUNNEL RTM_NEWTUNNEL 196 RTM_DELTUNNEL, 197 #define RTM_DELTUNNEL RTM_DELTUNNEL 198 RTM_GETTUNNEL, 199 #define RTM_GETTUNNEL RTM_GETTUNNEL 200 201 __RTM_MAX, 202 #define RTM_MAX (((__RTM_MAX + 3) & ~3) - 1) 203 }; 204 205 #define RTM_NR_MSGTYPES (RTM_MAX + 1 - RTM_BASE) 206 #define RTM_NR_FAMILIES (RTM_NR_MSGTYPES >> 2) 207 #define RTM_FAM(cmd) (((cmd) - RTM_BASE) >> 2) 208 209 /* 210 Generic structure for encapsulation of optional route information. 211 It is reminiscent of sockaddr, but with sa_family replaced 212 with attribute type. 213 */ 214 215 struct rtattr { 216 unsigned short rta_len; 217 unsigned short rta_type; 218 }; 219 220 /* Macros to handle rtattributes */ 221 222 #define RTA_ALIGNTO 4U 223 #define RTA_ALIGN(len) ( ((len)+RTA_ALIGNTO-1) & ~(RTA_ALIGNTO-1) ) 224 #define RTA_OK(rta,len) ((len) >= (int)sizeof(struct rtattr) && \ 225 (rta)->rta_len >= sizeof(struct rtattr) && \ 226 (rta)->rta_len <= (len)) 227 #define RTA_NEXT(rta,attrlen) ((attrlen) -= RTA_ALIGN((rta)->rta_len), \ 228 (struct rtattr*)(((char*)(rta)) + RTA_ALIGN((rta)->rta_len))) 229 #define RTA_LENGTH(len) (RTA_ALIGN(sizeof(struct rtattr)) + (len)) 230 #define RTA_SPACE(len) RTA_ALIGN(RTA_LENGTH(len)) 231 #define RTA_DATA(rta) ((void*)(((char*)(rta)) + RTA_LENGTH(0))) 232 #define RTA_PAYLOAD(rta) ((int)((rta)->rta_len) - RTA_LENGTH(0)) 233 234 235 236 237 /****************************************************************************** 238 * Definitions used in routing table administration. 239 ****/ 240 241 struct rtmsg { 242 unsigned char rtm_family; 243 unsigned char rtm_dst_len; 244 unsigned char rtm_src_len; 245 unsigned char rtm_tos; 246 247 unsigned char rtm_table; /* Routing table id */ 248 unsigned char rtm_protocol; /* Routing protocol; see below */ 249 unsigned char rtm_scope; /* See below */ 250 unsigned char rtm_type; /* See below */ 251 252 unsigned rtm_flags; 253 }; 254 255 /* rtm_type */ 256 257 enum { 258 RTN_UNSPEC, 259 RTN_UNICAST, /* Gateway or direct route */ 260 RTN_LOCAL, /* Accept locally */ 261 RTN_BROADCAST, /* Accept locally as broadcast, 262 send as broadcast */ 263 RTN_ANYCAST, /* Accept locally as broadcast, 264 but send as unicast */ 265 RTN_MULTICAST, /* Multicast route */ 266 RTN_BLACKHOLE, /* Drop */ 267 RTN_UNREACHABLE, /* Destination is unreachable */ 268 RTN_PROHIBIT, /* Administratively prohibited */ 269 RTN_THROW, /* Not in this table */ 270 RTN_NAT, /* Translate this address */ 271 RTN_XRESOLVE, /* Use external resolver */ 272 __RTN_MAX 273 }; 274 275 #define RTN_MAX (__RTN_MAX - 1) 276 277 278 /* rtm_protocol */ 279 280 #define RTPROT_UNSPEC 0 281 #define RTPROT_REDIRECT 1 /* Route installed by ICMP redirects; 282 not used by current IPv4 */ 283 #define RTPROT_KERNEL 2 /* Route installed by kernel */ 284 #define RTPROT_BOOT 3 /* Route installed during boot */ 285 #define RTPROT_STATIC 4 /* Route installed by administrator */ 286 287 /* Values of protocol >= RTPROT_STATIC are not interpreted by kernel; 288 they are just passed from user and back as is. 289 It will be used by hypothetical multiple routing daemons. 290 Note that protocol values should be standardized in order to 291 avoid conflicts. 292 */ 293 294 #define RTPROT_GATED 8 /* Apparently, GateD */ 295 #define RTPROT_RA 9 /* RDISC/ND router advertisements */ 296 #define RTPROT_MRT 10 /* Merit MRT */ 297 #define RTPROT_ZEBRA 11 /* Zebra */ 298 #define RTPROT_BIRD 12 /* BIRD */ 299 #define RTPROT_DNROUTED 13 /* DECnet routing daemon */ 300 #define RTPROT_XORP 14 /* XORP */ 301 #define RTPROT_NTK 15 /* Netsukuku */ 302 #define RTPROT_DHCP 16 /* DHCP client */ 303 #define RTPROT_MROUTED 17 /* Multicast daemon */ 304 #define RTPROT_KEEPALIVED 18 /* Keepalived daemon */ 305 #define RTPROT_BABEL 42 /* Babel daemon */ 306 #define RTPROT_OPENR 99 /* Open Routing (Open/R) Routes */ 307 #define RTPROT_BGP 186 /* BGP Routes */ 308 #define RTPROT_ISIS 187 /* ISIS Routes */ 309 #define RTPROT_OSPF 188 /* OSPF Routes */ 310 #define RTPROT_RIP 189 /* RIP Routes */ 311 #define RTPROT_EIGRP 192 /* EIGRP Routes */ 312 313 /* rtm_scope 314 315 Really it is not scope, but sort of distance to the destination. 316 NOWHERE are reserved for not existing destinations, HOST is our 317 local addresses, LINK are destinations, located on directly attached 318 link and UNIVERSE is everywhere in the Universe. 319 320 Intermediate values are also possible f.e. interior routes 321 could be assigned a value between UNIVERSE and LINK. 322 */ 323 324 enum rt_scope_t { 325 RT_SCOPE_UNIVERSE=0, 326 /* User defined values */ 327 RT_SCOPE_SITE=200, 328 RT_SCOPE_LINK=253, 329 RT_SCOPE_HOST=254, 330 RT_SCOPE_NOWHERE=255 331 }; 332 333 /* rtm_flags */ 334 335 #define RTM_F_NOTIFY 0x100 /* Notify user of route change */ 336 #define RTM_F_CLONED 0x200 /* This route is cloned */ 337 #define RTM_F_EQUALIZE 0x400 /* Multipath equalizer: NI */ 338 #define RTM_F_PREFIX 0x800 /* Prefix addresses */ 339 #define RTM_F_LOOKUP_TABLE 0x1000 /* set rtm_table to FIB lookup result */ 340 #define RTM_F_FIB_MATCH 0x2000 /* return full fib lookup match */ 341 #define RTM_F_OFFLOAD 0x4000 /* route is offloaded */ 342 #define RTM_F_TRAP 0x8000 /* route is trapping packets */ 343 #define RTM_F_OFFLOAD_FAILED 0x20000000 /* route offload failed, this value 344 * is chosen to avoid conflicts with 345 * other flags defined in 346 * include/uapi/linux/ipv6_route.h 347 */ 348 349 /* Reserved table identifiers */ 350 351 enum rt_class_t { 352 RT_TABLE_UNSPEC=0, 353 /* User defined values */ 354 RT_TABLE_COMPAT=252, 355 RT_TABLE_DEFAULT=253, 356 RT_TABLE_MAIN=254, 357 RT_TABLE_LOCAL=255, 358 RT_TABLE_MAX=0xFFFFFFFF 359 }; 360 361 362 /* Routing message attributes */ 363 364 enum rtattr_type_t { 365 RTA_UNSPEC, 366 RTA_DST, 367 RTA_SRC, 368 RTA_IIF, 369 RTA_OIF, 370 RTA_GATEWAY, 371 RTA_PRIORITY, 372 RTA_PREFSRC, 373 RTA_METRICS, 374 RTA_MULTIPATH, 375 RTA_PROTOINFO, /* no longer used */ 376 RTA_FLOW, 377 RTA_CACHEINFO, 378 RTA_SESSION, /* no longer used */ 379 RTA_MP_ALGO, /* no longer used */ 380 RTA_TABLE, 381 RTA_MARK, 382 RTA_MFC_STATS, 383 RTA_VIA, 384 RTA_NEWDST, 385 RTA_PREF, 386 RTA_ENCAP_TYPE, 387 RTA_ENCAP, 388 RTA_EXPIRES, 389 RTA_PAD, 390 RTA_UID, 391 RTA_TTL_PROPAGATE, 392 RTA_IP_PROTO, 393 RTA_SPORT, 394 RTA_DPORT, 395 RTA_NH_ID, 396 RTA_FLOWLABEL, 397 __RTA_MAX 398 }; 399 400 #define RTA_MAX (__RTA_MAX - 1) 401 402 #define RTM_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct rtmsg)))) 403 #define RTM_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct rtmsg)) 404 405 /* RTM_MULTIPATH --- array of struct rtnexthop. 406 * 407 * "struct rtnexthop" describes all necessary nexthop information, 408 * i.e. parameters of path to a destination via this nexthop. 409 * 410 * At the moment it is impossible to set different prefsrc, mtu, window 411 * and rtt for different paths from multipath. 412 */ 413 414 struct rtnexthop { 415 unsigned short rtnh_len; 416 unsigned char rtnh_flags; 417 unsigned char rtnh_hops; 418 int rtnh_ifindex; 419 }; 420 421 /* rtnh_flags */ 422 423 #define RTNH_F_DEAD 1 /* Nexthop is dead (used by multipath) */ 424 #define RTNH_F_PERVASIVE 2 /* Do recursive gateway lookup */ 425 #define RTNH_F_ONLINK 4 /* Gateway is forced on link */ 426 #define RTNH_F_OFFLOAD 8 /* Nexthop is offloaded */ 427 #define RTNH_F_LINKDOWN 16 /* carrier-down on nexthop */ 428 #define RTNH_F_UNRESOLVED 32 /* The entry is unresolved (ipmr) */ 429 #define RTNH_F_TRAP 64 /* Nexthop is trapping packets */ 430 431 #define RTNH_COMPARE_MASK (RTNH_F_DEAD | RTNH_F_LINKDOWN | \ 432 RTNH_F_OFFLOAD | RTNH_F_TRAP) 433 434 /* Macros to handle hexthops */ 435 436 #define RTNH_ALIGNTO 4 437 #define RTNH_ALIGN(len) ( ((len)+RTNH_ALIGNTO-1) & ~(RTNH_ALIGNTO-1) ) 438 #define RTNH_OK(rtnh,len) ((rtnh)->rtnh_len >= sizeof(struct rtnexthop) && \ 439 ((int)(rtnh)->rtnh_len) <= (len)) 440 #define RTNH_NEXT(rtnh) ((struct rtnexthop*)(((char*)(rtnh)) + RTNH_ALIGN((rtnh)->rtnh_len))) 441 #define RTNH_LENGTH(len) (RTNH_ALIGN(sizeof(struct rtnexthop)) + (len)) 442 #define RTNH_SPACE(len) RTNH_ALIGN(RTNH_LENGTH(len)) 443 #define RTNH_DATA(rtnh) ((struct rtattr*)(((char*)(rtnh)) + RTNH_LENGTH(0))) 444 445 /* RTA_VIA */ 446 struct rtvia { 447 __kernel_sa_family_t rtvia_family; 448 __u8 rtvia_addr[]; 449 }; 450 451 /* RTM_CACHEINFO */ 452 453 struct rta_cacheinfo { 454 __u32 rta_clntref; 455 __u32 rta_lastuse; 456 __s32 rta_expires; 457 __u32 rta_error; 458 __u32 rta_used; 459 460 #define RTNETLINK_HAVE_PEERINFO 1 461 __u32 rta_id; 462 __u32 rta_ts; 463 __u32 rta_tsage; 464 }; 465 466 /* RTM_METRICS --- array of struct rtattr with types of RTAX_* */ 467 468 enum { 469 RTAX_UNSPEC, 470 #define RTAX_UNSPEC RTAX_UNSPEC 471 RTAX_LOCK, 472 #define RTAX_LOCK RTAX_LOCK 473 RTAX_MTU, 474 #define RTAX_MTU RTAX_MTU 475 RTAX_WINDOW, 476 #define RTAX_WINDOW RTAX_WINDOW 477 RTAX_RTT, 478 #define RTAX_RTT RTAX_RTT 479 RTAX_RTTVAR, 480 #define RTAX_RTTVAR RTAX_RTTVAR 481 RTAX_SSTHRESH, 482 #define RTAX_SSTHRESH RTAX_SSTHRESH 483 RTAX_CWND, 484 #define RTAX_CWND RTAX_CWND 485 RTAX_ADVMSS, 486 #define RTAX_ADVMSS RTAX_ADVMSS 487 RTAX_REORDERING, 488 #define RTAX_REORDERING RTAX_REORDERING 489 RTAX_HOPLIMIT, 490 #define RTAX_HOPLIMIT RTAX_HOPLIMIT 491 RTAX_INITCWND, 492 #define RTAX_INITCWND RTAX_INITCWND 493 RTAX_FEATURES, 494 #define RTAX_FEATURES RTAX_FEATURES 495 RTAX_RTO_MIN, 496 #define RTAX_RTO_MIN RTAX_RTO_MIN 497 RTAX_INITRWND, 498 #define RTAX_INITRWND RTAX_INITRWND 499 RTAX_QUICKACK, 500 #define RTAX_QUICKACK RTAX_QUICKACK 501 RTAX_CC_ALGO, 502 #define RTAX_CC_ALGO RTAX_CC_ALGO 503 RTAX_FASTOPEN_NO_COOKIE, 504 #define RTAX_FASTOPEN_NO_COOKIE RTAX_FASTOPEN_NO_COOKIE 505 __RTAX_MAX 506 }; 507 508 #define RTAX_MAX (__RTAX_MAX - 1) 509 510 #define RTAX_FEATURE_ECN (1 << 0) 511 #define RTAX_FEATURE_SACK (1 << 1) /* unused */ 512 #define RTAX_FEATURE_TIMESTAMP (1 << 2) /* unused */ 513 #define RTAX_FEATURE_ALLFRAG (1 << 3) /* unused */ 514 #define RTAX_FEATURE_TCP_USEC_TS (1 << 4) 515 516 #define RTAX_FEATURE_MASK (RTAX_FEATURE_ECN | \ 517 RTAX_FEATURE_SACK | \ 518 RTAX_FEATURE_TIMESTAMP | \ 519 RTAX_FEATURE_ALLFRAG | \ 520 RTAX_FEATURE_TCP_USEC_TS) 521 522 struct rta_session { 523 __u8 proto; 524 __u8 pad1; 525 __u16 pad2; 526 527 union { 528 struct { 529 __u16 sport; 530 __u16 dport; 531 } ports; 532 533 struct { 534 __u8 type; 535 __u8 code; 536 __u16 ident; 537 } icmpt; 538 539 __u32 spi; 540 } u; 541 }; 542 543 struct rta_mfc_stats { 544 __u64 mfcs_packets; 545 __u64 mfcs_bytes; 546 __u64 mfcs_wrong_if; 547 }; 548 549 /**** 550 * General form of address family dependent message. 551 ****/ 552 553 struct rtgenmsg { 554 unsigned char rtgen_family; 555 }; 556 557 /***************************************************************** 558 * Link layer specific messages. 559 ****/ 560 561 /* struct ifinfomsg 562 * passes link level specific information, not dependent 563 * on network protocol. 564 */ 565 566 struct ifinfomsg { 567 unsigned char ifi_family; 568 unsigned char __ifi_pad; 569 unsigned short ifi_type; /* ARPHRD_* */ 570 int ifi_index; /* Link index */ 571 unsigned ifi_flags; /* IFF_* flags */ 572 unsigned ifi_change; /* IFF_* change mask */ 573 }; 574 575 /******************************************************************** 576 * prefix information 577 ****/ 578 579 struct prefixmsg { 580 unsigned char prefix_family; 581 unsigned char prefix_pad1; 582 unsigned short prefix_pad2; 583 int prefix_ifindex; 584 unsigned char prefix_type; 585 unsigned char prefix_len; 586 unsigned char prefix_flags; 587 unsigned char prefix_pad3; 588 }; 589 590 enum 591 { 592 PREFIX_UNSPEC, 593 PREFIX_ADDRESS, 594 PREFIX_CACHEINFO, 595 __PREFIX_MAX 596 }; 597 598 #define PREFIX_MAX (__PREFIX_MAX - 1) 599 600 struct prefix_cacheinfo { 601 __u32 preferred_time; 602 __u32 valid_time; 603 }; 604 605 606 /***************************************************************** 607 * Traffic control messages. 608 ****/ 609 610 struct tcmsg { 611 unsigned char tcm_family; 612 unsigned char tcm__pad1; 613 unsigned short tcm__pad2; 614 int tcm_ifindex; 615 __u32 tcm_handle; 616 __u32 tcm_parent; 617 /* tcm_block_index is used instead of tcm_parent 618 * in case tcm_ifindex == TCM_IFINDEX_MAGIC_BLOCK 619 */ 620 #define tcm_block_index tcm_parent 621 __u32 tcm_info; 622 }; 623 624 /* For manipulation of filters in shared block, tcm_ifindex is set to 625 * TCM_IFINDEX_MAGIC_BLOCK, and tcm_parent is aliased to tcm_block_index 626 * which is the block index. 627 */ 628 #define TCM_IFINDEX_MAGIC_BLOCK (0xFFFFFFFFU) 629 630 enum { 631 TCA_UNSPEC, 632 TCA_KIND, 633 TCA_OPTIONS, 634 TCA_STATS, 635 TCA_XSTATS, 636 TCA_RATE, 637 TCA_FCNT, 638 TCA_STATS2, 639 TCA_STAB, 640 TCA_PAD, 641 TCA_DUMP_INVISIBLE, 642 TCA_CHAIN, 643 TCA_HW_OFFLOAD, 644 TCA_INGRESS_BLOCK, 645 TCA_EGRESS_BLOCK, 646 TCA_DUMP_FLAGS, 647 TCA_EXT_WARN_MSG, 648 __TCA_MAX 649 }; 650 651 #define TCA_MAX (__TCA_MAX - 1) 652 653 #define TCA_DUMP_FLAGS_TERSE (1 << 0) /* Means that in dump user gets only basic 654 * data necessary to identify the objects 655 * (handle, cookie, etc.) and stats. 656 */ 657 658 #define TCA_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct tcmsg)))) 659 #define TCA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcmsg)) 660 661 /******************************************************************** 662 * Neighbor Discovery userland options 663 ****/ 664 665 struct nduseroptmsg { 666 unsigned char nduseropt_family; 667 unsigned char nduseropt_pad1; 668 unsigned short nduseropt_opts_len; /* Total length of options */ 669 int nduseropt_ifindex; 670 __u8 nduseropt_icmp_type; 671 __u8 nduseropt_icmp_code; 672 unsigned short nduseropt_pad2; 673 unsigned int nduseropt_pad3; 674 /* Followed by one or more ND options */ 675 }; 676 677 enum { 678 NDUSEROPT_UNSPEC, 679 NDUSEROPT_SRCADDR, 680 __NDUSEROPT_MAX 681 }; 682 683 #define NDUSEROPT_MAX (__NDUSEROPT_MAX - 1) 684 685 #ifndef __KERNEL__ 686 /* RTnetlink multicast groups - backwards compatibility for userspace */ 687 #define RTMGRP_LINK 1 688 #define RTMGRP_NOTIFY 2 689 #define RTMGRP_NEIGH 4 690 #define RTMGRP_TC 8 691 692 #define RTMGRP_IPV4_IFADDR 0x10 693 #define RTMGRP_IPV4_MROUTE 0x20 694 #define RTMGRP_IPV4_ROUTE 0x40 695 #define RTMGRP_IPV4_RULE 0x80 696 697 #define RTMGRP_IPV6_IFADDR 0x100 698 #define RTMGRP_IPV6_MROUTE 0x200 699 #define RTMGRP_IPV6_ROUTE 0x400 700 #define RTMGRP_IPV6_IFINFO 0x800 701 702 #define RTMGRP_DECnet_IFADDR 0x1000 703 #define RTMGRP_DECnet_ROUTE 0x4000 704 705 #define RTMGRP_IPV6_PREFIX 0x20000 706 #endif 707 708 /* RTnetlink multicast groups */ 709 enum rtnetlink_groups { 710 RTNLGRP_NONE, 711 #define RTNLGRP_NONE RTNLGRP_NONE 712 RTNLGRP_LINK, 713 #define RTNLGRP_LINK RTNLGRP_LINK 714 RTNLGRP_NOTIFY, 715 #define RTNLGRP_NOTIFY RTNLGRP_NOTIFY 716 RTNLGRP_NEIGH, 717 #define RTNLGRP_NEIGH RTNLGRP_NEIGH 718 RTNLGRP_TC, 719 #define RTNLGRP_TC RTNLGRP_TC 720 RTNLGRP_IPV4_IFADDR, 721 #define RTNLGRP_IPV4_IFADDR RTNLGRP_IPV4_IFADDR 722 RTNLGRP_IPV4_MROUTE, 723 #define RTNLGRP_IPV4_MROUTE RTNLGRP_IPV4_MROUTE 724 RTNLGRP_IPV4_ROUTE, 725 #define RTNLGRP_IPV4_ROUTE RTNLGRP_IPV4_ROUTE 726 RTNLGRP_IPV4_RULE, 727 #define RTNLGRP_IPV4_RULE RTNLGRP_IPV4_RULE 728 RTNLGRP_IPV6_IFADDR, 729 #define RTNLGRP_IPV6_IFADDR RTNLGRP_IPV6_IFADDR 730 RTNLGRP_IPV6_MROUTE, 731 #define RTNLGRP_IPV6_MROUTE RTNLGRP_IPV6_MROUTE 732 RTNLGRP_IPV6_ROUTE, 733 #define RTNLGRP_IPV6_ROUTE RTNLGRP_IPV6_ROUTE 734 RTNLGRP_IPV6_IFINFO, 735 #define RTNLGRP_IPV6_IFINFO RTNLGRP_IPV6_IFINFO 736 RTNLGRP_DECnet_IFADDR, 737 #define RTNLGRP_DECnet_IFADDR RTNLGRP_DECnet_IFADDR 738 RTNLGRP_NOP2, 739 RTNLGRP_DECnet_ROUTE, 740 #define RTNLGRP_DECnet_ROUTE RTNLGRP_DECnet_ROUTE 741 RTNLGRP_DECnet_RULE, 742 #define RTNLGRP_DECnet_RULE RTNLGRP_DECnet_RULE 743 RTNLGRP_NOP4, 744 RTNLGRP_IPV6_PREFIX, 745 #define RTNLGRP_IPV6_PREFIX RTNLGRP_IPV6_PREFIX 746 RTNLGRP_IPV6_RULE, 747 #define RTNLGRP_IPV6_RULE RTNLGRP_IPV6_RULE 748 RTNLGRP_ND_USEROPT, 749 #define RTNLGRP_ND_USEROPT RTNLGRP_ND_USEROPT 750 RTNLGRP_PHONET_IFADDR, 751 #define RTNLGRP_PHONET_IFADDR RTNLGRP_PHONET_IFADDR 752 RTNLGRP_PHONET_ROUTE, 753 #define RTNLGRP_PHONET_ROUTE RTNLGRP_PHONET_ROUTE 754 RTNLGRP_DCB, 755 #define RTNLGRP_DCB RTNLGRP_DCB 756 RTNLGRP_IPV4_NETCONF, 757 #define RTNLGRP_IPV4_NETCONF RTNLGRP_IPV4_NETCONF 758 RTNLGRP_IPV6_NETCONF, 759 #define RTNLGRP_IPV6_NETCONF RTNLGRP_IPV6_NETCONF 760 RTNLGRP_MDB, 761 #define RTNLGRP_MDB RTNLGRP_MDB 762 RTNLGRP_MPLS_ROUTE, 763 #define RTNLGRP_MPLS_ROUTE RTNLGRP_MPLS_ROUTE 764 RTNLGRP_NSID, 765 #define RTNLGRP_NSID RTNLGRP_NSID 766 RTNLGRP_MPLS_NETCONF, 767 #define RTNLGRP_MPLS_NETCONF RTNLGRP_MPLS_NETCONF 768 RTNLGRP_IPV4_MROUTE_R, 769 #define RTNLGRP_IPV4_MROUTE_R RTNLGRP_IPV4_MROUTE_R 770 RTNLGRP_IPV6_MROUTE_R, 771 #define RTNLGRP_IPV6_MROUTE_R RTNLGRP_IPV6_MROUTE_R 772 RTNLGRP_NEXTHOP, 773 #define RTNLGRP_NEXTHOP RTNLGRP_NEXTHOP 774 RTNLGRP_BRVLAN, 775 #define RTNLGRP_BRVLAN RTNLGRP_BRVLAN 776 RTNLGRP_MCTP_IFADDR, 777 #define RTNLGRP_MCTP_IFADDR RTNLGRP_MCTP_IFADDR 778 RTNLGRP_TUNNEL, 779 #define RTNLGRP_TUNNEL RTNLGRP_TUNNEL 780 RTNLGRP_STATS, 781 #define RTNLGRP_STATS RTNLGRP_STATS 782 RTNLGRP_IPV4_MCADDR, 783 #define RTNLGRP_IPV4_MCADDR RTNLGRP_IPV4_MCADDR 784 RTNLGRP_IPV6_MCADDR, 785 #define RTNLGRP_IPV6_MCADDR RTNLGRP_IPV6_MCADDR 786 __RTNLGRP_MAX 787 }; 788 #define RTNLGRP_MAX (__RTNLGRP_MAX - 1) 789 790 /* TC action piece */ 791 struct tcamsg { 792 unsigned char tca_family; 793 unsigned char tca__pad1; 794 unsigned short tca__pad2; 795 }; 796 797 enum { 798 TCA_ROOT_UNSPEC, 799 TCA_ROOT_TAB, 800 #define TCA_ACT_TAB TCA_ROOT_TAB 801 #define TCAA_MAX TCA_ROOT_TAB 802 TCA_ROOT_FLAGS, 803 TCA_ROOT_COUNT, 804 TCA_ROOT_TIME_DELTA, /* in msecs */ 805 TCA_ROOT_EXT_WARN_MSG, 806 __TCA_ROOT_MAX, 807 #define TCA_ROOT_MAX (__TCA_ROOT_MAX - 1) 808 }; 809 810 #define TA_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct tcamsg)))) 811 #define TA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcamsg)) 812 /* tcamsg flags stored in attribute TCA_ROOT_FLAGS 813 * 814 * TCA_ACT_FLAG_LARGE_DUMP_ON user->kernel to request for larger than 815 * TCA_ACT_MAX_PRIO actions in a dump. All dump responses will contain the 816 * number of actions being dumped stored in for user app's consumption in 817 * TCA_ROOT_COUNT 818 * 819 * TCA_ACT_FLAG_TERSE_DUMP user->kernel to request terse (brief) dump that only 820 * includes essential action info (kind, index, etc.) 821 * 822 */ 823 #define TCA_FLAG_LARGE_DUMP_ON (1 << 0) 824 #define TCA_ACT_FLAG_LARGE_DUMP_ON TCA_FLAG_LARGE_DUMP_ON 825 #define TCA_ACT_FLAG_TERSE_DUMP (1 << 1) 826 827 /* New extended info filters for IFLA_EXT_MASK */ 828 #define RTEXT_FILTER_VF (1 << 0) 829 #define RTEXT_FILTER_BRVLAN (1 << 1) 830 #define RTEXT_FILTER_BRVLAN_COMPRESSED (1 << 2) 831 #define RTEXT_FILTER_SKIP_STATS (1 << 3) 832 #define RTEXT_FILTER_MRP (1 << 4) 833 #define RTEXT_FILTER_CFM_CONFIG (1 << 5) 834 #define RTEXT_FILTER_CFM_STATUS (1 << 6) 835 #define RTEXT_FILTER_MST (1 << 7) 836 837 /* End of information exported to user level */ 838 839 840 841 #endif /* _UAPI__LINUX_RTNETLINK_H */ 842