rtnetlink.h (21345B) - Raw
1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 #ifndef __LINUX_RTNETLINK_H 3 #define __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 RTM_SETSTATS, 150 #define RTM_SETSTATS RTM_SETSTATS 151 152 RTM_NEWCACHEREPORT = 96, 153 #define RTM_NEWCACHEREPORT RTM_NEWCACHEREPORT 154 155 RTM_NEWCHAIN = 100, 156 #define RTM_NEWCHAIN RTM_NEWCHAIN 157 RTM_DELCHAIN, 158 #define RTM_DELCHAIN RTM_DELCHAIN 159 RTM_GETCHAIN, 160 #define RTM_GETCHAIN RTM_GETCHAIN 161 162 RTM_NEWNEXTHOP = 104, 163 #define RTM_NEWNEXTHOP RTM_NEWNEXTHOP 164 RTM_DELNEXTHOP, 165 #define RTM_DELNEXTHOP RTM_DELNEXTHOP 166 RTM_GETNEXTHOP, 167 #define RTM_GETNEXTHOP RTM_GETNEXTHOP 168 169 RTM_NEWLINKPROP = 108, 170 #define RTM_NEWLINKPROP RTM_NEWLINKPROP 171 RTM_DELLINKPROP, 172 #define RTM_DELLINKPROP RTM_DELLINKPROP 173 RTM_GETLINKPROP, 174 #define RTM_GETLINKPROP RTM_GETLINKPROP 175 176 RTM_NEWVLAN = 112, 177 #define RTM_NEWVLAN RTM_NEWVLAN 178 RTM_DELVLAN, 179 #define RTM_DELVLAN RTM_DELVLAN 180 RTM_GETVLAN, 181 #define RTM_GETVLAN RTM_GETVLAN 182 183 RTM_NEWNEXTHOPBUCKET = 116, 184 #define RTM_NEWNEXTHOPBUCKET RTM_NEWNEXTHOPBUCKET 185 RTM_DELNEXTHOPBUCKET, 186 #define RTM_DELNEXTHOPBUCKET RTM_DELNEXTHOPBUCKET 187 RTM_GETNEXTHOPBUCKET, 188 #define RTM_GETNEXTHOPBUCKET RTM_GETNEXTHOPBUCKET 189 190 RTM_NEWTUNNEL = 120, 191 #define RTM_NEWTUNNEL RTM_NEWTUNNEL 192 RTM_DELTUNNEL, 193 #define RTM_DELTUNNEL RTM_DELTUNNEL 194 RTM_GETTUNNEL, 195 #define RTM_GETTUNNEL RTM_GETTUNNEL 196 197 __RTM_MAX, 198 #define RTM_MAX (((__RTM_MAX + 3) & ~3) - 1) 199 }; 200 201 #define RTM_NR_MSGTYPES (RTM_MAX + 1 - RTM_BASE) 202 #define RTM_NR_FAMILIES (RTM_NR_MSGTYPES >> 2) 203 #define RTM_FAM(cmd) (((cmd) - RTM_BASE) >> 2) 204 205 /* 206 Generic structure for encapsulation of optional route information. 207 It is reminiscent of sockaddr, but with sa_family replaced 208 with attribute type. 209 */ 210 211 struct rtattr { 212 unsigned short rta_len; 213 unsigned short rta_type; 214 }; 215 216 /* Macros to handle rtattributes */ 217 218 #define RTA_ALIGNTO 4U 219 #define RTA_ALIGN(len) ( ((len)+RTA_ALIGNTO-1) & ~(RTA_ALIGNTO-1) ) 220 #define RTA_OK(rta,len) ((len) >= (int)sizeof(struct rtattr) && \ 221 (rta)->rta_len >= sizeof(struct rtattr) && \ 222 (rta)->rta_len <= (len)) 223 #define RTA_NEXT(rta,attrlen) ((attrlen) -= RTA_ALIGN((rta)->rta_len), \ 224 (struct rtattr*)(((char*)(rta)) + RTA_ALIGN((rta)->rta_len))) 225 #define RTA_LENGTH(len) (RTA_ALIGN(sizeof(struct rtattr)) + (len)) 226 #define RTA_SPACE(len) RTA_ALIGN(RTA_LENGTH(len)) 227 #define RTA_DATA(rta) ((void*)(((char*)(rta)) + RTA_LENGTH(0))) 228 #define RTA_PAYLOAD(rta) ((int)((rta)->rta_len) - RTA_LENGTH(0)) 229 230 231 232 233 /****************************************************************************** 234 * Definitions used in routing table administration. 235 ****/ 236 237 struct rtmsg { 238 unsigned char rtm_family; 239 unsigned char rtm_dst_len; 240 unsigned char rtm_src_len; 241 unsigned char rtm_tos; 242 243 unsigned char rtm_table; /* Routing table id */ 244 unsigned char rtm_protocol; /* Routing protocol; see below */ 245 unsigned char rtm_scope; /* See below */ 246 unsigned char rtm_type; /* See below */ 247 248 unsigned rtm_flags; 249 }; 250 251 /* rtm_type */ 252 253 enum { 254 RTN_UNSPEC, 255 RTN_UNICAST, /* Gateway or direct route */ 256 RTN_LOCAL, /* Accept locally */ 257 RTN_BROADCAST, /* Accept locally as broadcast, 258 send as broadcast */ 259 RTN_ANYCAST, /* Accept locally as broadcast, 260 but send as unicast */ 261 RTN_MULTICAST, /* Multicast route */ 262 RTN_BLACKHOLE, /* Drop */ 263 RTN_UNREACHABLE, /* Destination is unreachable */ 264 RTN_PROHIBIT, /* Administratively prohibited */ 265 RTN_THROW, /* Not in this table */ 266 RTN_NAT, /* Translate this address */ 267 RTN_XRESOLVE, /* Use external resolver */ 268 __RTN_MAX 269 }; 270 271 #define RTN_MAX (__RTN_MAX - 1) 272 273 274 /* rtm_protocol */ 275 276 #define RTPROT_UNSPEC 0 277 #define RTPROT_REDIRECT 1 /* Route installed by ICMP redirects; 278 not used by current IPv4 */ 279 #define RTPROT_KERNEL 2 /* Route installed by kernel */ 280 #define RTPROT_BOOT 3 /* Route installed during boot */ 281 #define RTPROT_STATIC 4 /* Route installed by administrator */ 282 283 /* Values of protocol >= RTPROT_STATIC are not interpreted by kernel; 284 they are just passed from user and back as is. 285 It will be used by hypothetical multiple routing daemons. 286 Note that protocol values should be standardized in order to 287 avoid conflicts. 288 */ 289 290 #define RTPROT_GATED 8 /* Apparently, GateD */ 291 #define RTPROT_RA 9 /* RDISC/ND router advertisements */ 292 #define RTPROT_MRT 10 /* Merit MRT */ 293 #define RTPROT_ZEBRA 11 /* Zebra */ 294 #define RTPROT_BIRD 12 /* BIRD */ 295 #define RTPROT_DNROUTED 13 /* DECnet routing daemon */ 296 #define RTPROT_XORP 14 /* XORP */ 297 #define RTPROT_NTK 15 /* Netsukuku */ 298 #define RTPROT_DHCP 16 /* DHCP client */ 299 #define RTPROT_MROUTED 17 /* Multicast daemon */ 300 #define RTPROT_KEEPALIVED 18 /* Keepalived daemon */ 301 #define RTPROT_BABEL 42 /* Babel daemon */ 302 #define RTPROT_OPENR 99 /* Open Routing (Open/R) Routes */ 303 #define RTPROT_BGP 186 /* BGP Routes */ 304 #define RTPROT_ISIS 187 /* ISIS Routes */ 305 #define RTPROT_OSPF 188 /* OSPF Routes */ 306 #define RTPROT_RIP 189 /* RIP Routes */ 307 #define RTPROT_EIGRP 192 /* EIGRP Routes */ 308 309 /* rtm_scope 310 311 Really it is not scope, but sort of distance to the destination. 312 NOWHERE are reserved for not existing destinations, HOST is our 313 local addresses, LINK are destinations, located on directly attached 314 link and UNIVERSE is everywhere in the Universe. 315 316 Intermediate values are also possible f.e. interior routes 317 could be assigned a value between UNIVERSE and LINK. 318 */ 319 320 enum rt_scope_t { 321 RT_SCOPE_UNIVERSE=0, 322 /* User defined values */ 323 RT_SCOPE_SITE=200, 324 RT_SCOPE_LINK=253, 325 RT_SCOPE_HOST=254, 326 RT_SCOPE_NOWHERE=255 327 }; 328 329 /* rtm_flags */ 330 331 #define RTM_F_NOTIFY 0x100 /* Notify user of route change */ 332 #define RTM_F_CLONED 0x200 /* This route is cloned */ 333 #define RTM_F_EQUALIZE 0x400 /* Multipath equalizer: NI */ 334 #define RTM_F_PREFIX 0x800 /* Prefix addresses */ 335 #define RTM_F_LOOKUP_TABLE 0x1000 /* set rtm_table to FIB lookup result */ 336 #define RTM_F_FIB_MATCH 0x2000 /* return full fib lookup match */ 337 #define RTM_F_OFFLOAD 0x4000 /* route is offloaded */ 338 #define RTM_F_TRAP 0x8000 /* route is trapping packets */ 339 #define RTM_F_OFFLOAD_FAILED 0x20000000 /* route offload failed, this value 340 * is chosen to avoid conflicts with 341 * other flags defined in 342 * include/uapi/linux/ipv6_route.h 343 */ 344 345 /* Reserved table identifiers */ 346 347 enum rt_class_t { 348 RT_TABLE_UNSPEC=0, 349 /* User defined values */ 350 RT_TABLE_COMPAT=252, 351 RT_TABLE_DEFAULT=253, 352 RT_TABLE_MAIN=254, 353 RT_TABLE_LOCAL=255, 354 RT_TABLE_MAX=0xFFFFFFFF 355 }; 356 357 358 /* Routing message attributes */ 359 360 enum rtattr_type_t { 361 RTA_UNSPEC, 362 RTA_DST, 363 RTA_SRC, 364 RTA_IIF, 365 RTA_OIF, 366 RTA_GATEWAY, 367 RTA_PRIORITY, 368 RTA_PREFSRC, 369 RTA_METRICS, 370 RTA_MULTIPATH, 371 RTA_PROTOINFO, /* no longer used */ 372 RTA_FLOW, 373 RTA_CACHEINFO, 374 RTA_SESSION, /* no longer used */ 375 RTA_MP_ALGO, /* no longer used */ 376 RTA_TABLE, 377 RTA_MARK, 378 RTA_MFC_STATS, 379 RTA_VIA, 380 RTA_NEWDST, 381 RTA_PREF, 382 RTA_ENCAP_TYPE, 383 RTA_ENCAP, 384 RTA_EXPIRES, 385 RTA_PAD, 386 RTA_UID, 387 RTA_TTL_PROPAGATE, 388 RTA_IP_PROTO, 389 RTA_SPORT, 390 RTA_DPORT, 391 RTA_NH_ID, 392 __RTA_MAX 393 }; 394 395 #define RTA_MAX (__RTA_MAX - 1) 396 397 #define RTM_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct rtmsg)))) 398 #define RTM_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct rtmsg)) 399 400 /* RTM_MULTIPATH --- array of struct rtnexthop. 401 * 402 * "struct rtnexthop" describes all necessary nexthop information, 403 * i.e. parameters of path to a destination via this nexthop. 404 * 405 * At the moment it is impossible to set different prefsrc, mtu, window 406 * and rtt for different paths from multipath. 407 */ 408 409 struct rtnexthop { 410 unsigned short rtnh_len; 411 unsigned char rtnh_flags; 412 unsigned char rtnh_hops; 413 int rtnh_ifindex; 414 }; 415 416 /* rtnh_flags */ 417 418 #define RTNH_F_DEAD 1 /* Nexthop is dead (used by multipath) */ 419 #define RTNH_F_PERVASIVE 2 /* Do recursive gateway lookup */ 420 #define RTNH_F_ONLINK 4 /* Gateway is forced on link */ 421 #define RTNH_F_OFFLOAD 8 /* Nexthop is offloaded */ 422 #define RTNH_F_LINKDOWN 16 /* carrier-down on nexthop */ 423 #define RTNH_F_UNRESOLVED 32 /* The entry is unresolved (ipmr) */ 424 #define RTNH_F_TRAP 64 /* Nexthop is trapping packets */ 425 426 #define RTNH_COMPARE_MASK (RTNH_F_DEAD | RTNH_F_LINKDOWN | \ 427 RTNH_F_OFFLOAD | RTNH_F_TRAP) 428 429 /* Macros to handle hexthops */ 430 431 #define RTNH_ALIGNTO 4 432 #define RTNH_ALIGN(len) ( ((len)+RTNH_ALIGNTO-1) & ~(RTNH_ALIGNTO-1) ) 433 #define RTNH_OK(rtnh,len) ((rtnh)->rtnh_len >= sizeof(struct rtnexthop) && \ 434 ((int)(rtnh)->rtnh_len) <= (len)) 435 #define RTNH_NEXT(rtnh) ((struct rtnexthop*)(((char*)(rtnh)) + RTNH_ALIGN((rtnh)->rtnh_len))) 436 #define RTNH_LENGTH(len) (RTNH_ALIGN(sizeof(struct rtnexthop)) + (len)) 437 #define RTNH_SPACE(len) RTNH_ALIGN(RTNH_LENGTH(len)) 438 #define RTNH_DATA(rtnh) ((struct rtattr*)(((char*)(rtnh)) + RTNH_LENGTH(0))) 439 440 /* RTA_VIA */ 441 struct rtvia { 442 __kernel_sa_family_t rtvia_family; 443 __u8 rtvia_addr[]; 444 }; 445 446 /* RTM_CACHEINFO */ 447 448 struct rta_cacheinfo { 449 __u32 rta_clntref; 450 __u32 rta_lastuse; 451 __s32 rta_expires; 452 __u32 rta_error; 453 __u32 rta_used; 454 455 #define RTNETLINK_HAVE_PEERINFO 1 456 __u32 rta_id; 457 __u32 rta_ts; 458 __u32 rta_tsage; 459 }; 460 461 /* RTM_METRICS --- array of struct rtattr with types of RTAX_* */ 462 463 enum { 464 RTAX_UNSPEC, 465 #define RTAX_UNSPEC RTAX_UNSPEC 466 RTAX_LOCK, 467 #define RTAX_LOCK RTAX_LOCK 468 RTAX_MTU, 469 #define RTAX_MTU RTAX_MTU 470 RTAX_WINDOW, 471 #define RTAX_WINDOW RTAX_WINDOW 472 RTAX_RTT, 473 #define RTAX_RTT RTAX_RTT 474 RTAX_RTTVAR, 475 #define RTAX_RTTVAR RTAX_RTTVAR 476 RTAX_SSTHRESH, 477 #define RTAX_SSTHRESH RTAX_SSTHRESH 478 RTAX_CWND, 479 #define RTAX_CWND RTAX_CWND 480 RTAX_ADVMSS, 481 #define RTAX_ADVMSS RTAX_ADVMSS 482 RTAX_REORDERING, 483 #define RTAX_REORDERING RTAX_REORDERING 484 RTAX_HOPLIMIT, 485 #define RTAX_HOPLIMIT RTAX_HOPLIMIT 486 RTAX_INITCWND, 487 #define RTAX_INITCWND RTAX_INITCWND 488 RTAX_FEATURES, 489 #define RTAX_FEATURES RTAX_FEATURES 490 RTAX_RTO_MIN, 491 #define RTAX_RTO_MIN RTAX_RTO_MIN 492 RTAX_INITRWND, 493 #define RTAX_INITRWND RTAX_INITRWND 494 RTAX_QUICKACK, 495 #define RTAX_QUICKACK RTAX_QUICKACK 496 RTAX_CC_ALGO, 497 #define RTAX_CC_ALGO RTAX_CC_ALGO 498 RTAX_FASTOPEN_NO_COOKIE, 499 #define RTAX_FASTOPEN_NO_COOKIE RTAX_FASTOPEN_NO_COOKIE 500 __RTAX_MAX 501 }; 502 503 #define RTAX_MAX (__RTAX_MAX - 1) 504 505 #define RTAX_FEATURE_ECN (1 << 0) 506 #define RTAX_FEATURE_SACK (1 << 1) /* unused */ 507 #define RTAX_FEATURE_TIMESTAMP (1 << 2) /* unused */ 508 #define RTAX_FEATURE_ALLFRAG (1 << 3) /* unused */ 509 #define RTAX_FEATURE_TCP_USEC_TS (1 << 4) 510 511 #define RTAX_FEATURE_MASK (RTAX_FEATURE_ECN | \ 512 RTAX_FEATURE_SACK | \ 513 RTAX_FEATURE_TIMESTAMP | \ 514 RTAX_FEATURE_ALLFRAG | \ 515 RTAX_FEATURE_TCP_USEC_TS) 516 517 struct rta_session { 518 __u8 proto; 519 __u8 pad1; 520 __u16 pad2; 521 522 union { 523 struct { 524 __u16 sport; 525 __u16 dport; 526 } ports; 527 528 struct { 529 __u8 type; 530 __u8 code; 531 __u16 ident; 532 } icmpt; 533 534 __u32 spi; 535 } u; 536 }; 537 538 struct rta_mfc_stats { 539 __u64 mfcs_packets; 540 __u64 mfcs_bytes; 541 __u64 mfcs_wrong_if; 542 }; 543 544 /**** 545 * General form of address family dependent message. 546 ****/ 547 548 struct rtgenmsg { 549 unsigned char rtgen_family; 550 }; 551 552 /***************************************************************** 553 * Link layer specific messages. 554 ****/ 555 556 /* struct ifinfomsg 557 * passes link level specific information, not dependent 558 * on network protocol. 559 */ 560 561 struct ifinfomsg { 562 unsigned char ifi_family; 563 unsigned char __ifi_pad; 564 unsigned short ifi_type; /* ARPHRD_* */ 565 int ifi_index; /* Link index */ 566 unsigned ifi_flags; /* IFF_* flags */ 567 unsigned ifi_change; /* IFF_* change mask */ 568 }; 569 570 /******************************************************************** 571 * prefix information 572 ****/ 573 574 struct prefixmsg { 575 unsigned char prefix_family; 576 unsigned char prefix_pad1; 577 unsigned short prefix_pad2; 578 int prefix_ifindex; 579 unsigned char prefix_type; 580 unsigned char prefix_len; 581 unsigned char prefix_flags; 582 unsigned char prefix_pad3; 583 }; 584 585 enum 586 { 587 PREFIX_UNSPEC, 588 PREFIX_ADDRESS, 589 PREFIX_CACHEINFO, 590 __PREFIX_MAX 591 }; 592 593 #define PREFIX_MAX (__PREFIX_MAX - 1) 594 595 struct prefix_cacheinfo { 596 __u32 preferred_time; 597 __u32 valid_time; 598 }; 599 600 601 /***************************************************************** 602 * Traffic control messages. 603 ****/ 604 605 struct tcmsg { 606 unsigned char tcm_family; 607 unsigned char tcm__pad1; 608 unsigned short tcm__pad2; 609 int tcm_ifindex; 610 __u32 tcm_handle; 611 __u32 tcm_parent; 612 /* tcm_block_index is used instead of tcm_parent 613 * in case tcm_ifindex == TCM_IFINDEX_MAGIC_BLOCK 614 */ 615 #define tcm_block_index tcm_parent 616 __u32 tcm_info; 617 }; 618 619 /* For manipulation of filters in shared block, tcm_ifindex is set to 620 * TCM_IFINDEX_MAGIC_BLOCK, and tcm_parent is aliased to tcm_block_index 621 * which is the block index. 622 */ 623 #define TCM_IFINDEX_MAGIC_BLOCK (0xFFFFFFFFU) 624 625 enum { 626 TCA_UNSPEC, 627 TCA_KIND, 628 TCA_OPTIONS, 629 TCA_STATS, 630 TCA_XSTATS, 631 TCA_RATE, 632 TCA_FCNT, 633 TCA_STATS2, 634 TCA_STAB, 635 TCA_PAD, 636 TCA_DUMP_INVISIBLE, 637 TCA_CHAIN, 638 TCA_HW_OFFLOAD, 639 TCA_INGRESS_BLOCK, 640 TCA_EGRESS_BLOCK, 641 TCA_DUMP_FLAGS, 642 TCA_EXT_WARN_MSG, 643 __TCA_MAX 644 }; 645 646 #define TCA_MAX (__TCA_MAX - 1) 647 648 #define TCA_DUMP_FLAGS_TERSE (1 << 0) /* Means that in dump user gets only basic 649 * data necessary to identify the objects 650 * (handle, cookie, etc.) and stats. 651 */ 652 653 #define TCA_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct tcmsg)))) 654 #define TCA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcmsg)) 655 656 /******************************************************************** 657 * Neighbor Discovery userland options 658 ****/ 659 660 struct nduseroptmsg { 661 unsigned char nduseropt_family; 662 unsigned char nduseropt_pad1; 663 unsigned short nduseropt_opts_len; /* Total length of options */ 664 int nduseropt_ifindex; 665 __u8 nduseropt_icmp_type; 666 __u8 nduseropt_icmp_code; 667 unsigned short nduseropt_pad2; 668 unsigned int nduseropt_pad3; 669 /* Followed by one or more ND options */ 670 }; 671 672 enum { 673 NDUSEROPT_UNSPEC, 674 NDUSEROPT_SRCADDR, 675 __NDUSEROPT_MAX 676 }; 677 678 #define NDUSEROPT_MAX (__NDUSEROPT_MAX - 1) 679 680 /* RTnetlink multicast groups - backwards compatibility for userspace */ 681 #define RTMGRP_LINK 1 682 #define RTMGRP_NOTIFY 2 683 #define RTMGRP_NEIGH 4 684 #define RTMGRP_TC 8 685 686 #define RTMGRP_IPV4_IFADDR 0x10 687 #define RTMGRP_IPV4_MROUTE 0x20 688 #define RTMGRP_IPV4_ROUTE 0x40 689 #define RTMGRP_IPV4_RULE 0x80 690 691 #define RTMGRP_IPV6_IFADDR 0x100 692 #define RTMGRP_IPV6_MROUTE 0x200 693 #define RTMGRP_IPV6_ROUTE 0x400 694 #define RTMGRP_IPV6_IFINFO 0x800 695 696 #define RTMGRP_DECnet_IFADDR 0x1000 697 #define RTMGRP_DECnet_ROUTE 0x4000 698 699 #define RTMGRP_IPV6_PREFIX 0x20000 700 701 /* RTnetlink multicast groups */ 702 enum rtnetlink_groups { 703 RTNLGRP_NONE, 704 #define RTNLGRP_NONE RTNLGRP_NONE 705 RTNLGRP_LINK, 706 #define RTNLGRP_LINK RTNLGRP_LINK 707 RTNLGRP_NOTIFY, 708 #define RTNLGRP_NOTIFY RTNLGRP_NOTIFY 709 RTNLGRP_NEIGH, 710 #define RTNLGRP_NEIGH RTNLGRP_NEIGH 711 RTNLGRP_TC, 712 #define RTNLGRP_TC RTNLGRP_TC 713 RTNLGRP_IPV4_IFADDR, 714 #define RTNLGRP_IPV4_IFADDR RTNLGRP_IPV4_IFADDR 715 RTNLGRP_IPV4_MROUTE, 716 #define RTNLGRP_IPV4_MROUTE RTNLGRP_IPV4_MROUTE 717 RTNLGRP_IPV4_ROUTE, 718 #define RTNLGRP_IPV4_ROUTE RTNLGRP_IPV4_ROUTE 719 RTNLGRP_IPV4_RULE, 720 #define RTNLGRP_IPV4_RULE RTNLGRP_IPV4_RULE 721 RTNLGRP_IPV6_IFADDR, 722 #define RTNLGRP_IPV6_IFADDR RTNLGRP_IPV6_IFADDR 723 RTNLGRP_IPV6_MROUTE, 724 #define RTNLGRP_IPV6_MROUTE RTNLGRP_IPV6_MROUTE 725 RTNLGRP_IPV6_ROUTE, 726 #define RTNLGRP_IPV6_ROUTE RTNLGRP_IPV6_ROUTE 727 RTNLGRP_IPV6_IFINFO, 728 #define RTNLGRP_IPV6_IFINFO RTNLGRP_IPV6_IFINFO 729 RTNLGRP_DECnet_IFADDR, 730 #define RTNLGRP_DECnet_IFADDR RTNLGRP_DECnet_IFADDR 731 RTNLGRP_NOP2, 732 RTNLGRP_DECnet_ROUTE, 733 #define RTNLGRP_DECnet_ROUTE RTNLGRP_DECnet_ROUTE 734 RTNLGRP_DECnet_RULE, 735 #define RTNLGRP_DECnet_RULE RTNLGRP_DECnet_RULE 736 RTNLGRP_NOP4, 737 RTNLGRP_IPV6_PREFIX, 738 #define RTNLGRP_IPV6_PREFIX RTNLGRP_IPV6_PREFIX 739 RTNLGRP_IPV6_RULE, 740 #define RTNLGRP_IPV6_RULE RTNLGRP_IPV6_RULE 741 RTNLGRP_ND_USEROPT, 742 #define RTNLGRP_ND_USEROPT RTNLGRP_ND_USEROPT 743 RTNLGRP_PHONET_IFADDR, 744 #define RTNLGRP_PHONET_IFADDR RTNLGRP_PHONET_IFADDR 745 RTNLGRP_PHONET_ROUTE, 746 #define RTNLGRP_PHONET_ROUTE RTNLGRP_PHONET_ROUTE 747 RTNLGRP_DCB, 748 #define RTNLGRP_DCB RTNLGRP_DCB 749 RTNLGRP_IPV4_NETCONF, 750 #define RTNLGRP_IPV4_NETCONF RTNLGRP_IPV4_NETCONF 751 RTNLGRP_IPV6_NETCONF, 752 #define RTNLGRP_IPV6_NETCONF RTNLGRP_IPV6_NETCONF 753 RTNLGRP_MDB, 754 #define RTNLGRP_MDB RTNLGRP_MDB 755 RTNLGRP_MPLS_ROUTE, 756 #define RTNLGRP_MPLS_ROUTE RTNLGRP_MPLS_ROUTE 757 RTNLGRP_NSID, 758 #define RTNLGRP_NSID RTNLGRP_NSID 759 RTNLGRP_MPLS_NETCONF, 760 #define RTNLGRP_MPLS_NETCONF RTNLGRP_MPLS_NETCONF 761 RTNLGRP_IPV4_MROUTE_R, 762 #define RTNLGRP_IPV4_MROUTE_R RTNLGRP_IPV4_MROUTE_R 763 RTNLGRP_IPV6_MROUTE_R, 764 #define RTNLGRP_IPV6_MROUTE_R RTNLGRP_IPV6_MROUTE_R 765 RTNLGRP_NEXTHOP, 766 #define RTNLGRP_NEXTHOP RTNLGRP_NEXTHOP 767 RTNLGRP_BRVLAN, 768 #define RTNLGRP_BRVLAN RTNLGRP_BRVLAN 769 RTNLGRP_MCTP_IFADDR, 770 #define RTNLGRP_MCTP_IFADDR RTNLGRP_MCTP_IFADDR 771 RTNLGRP_TUNNEL, 772 #define RTNLGRP_TUNNEL RTNLGRP_TUNNEL 773 RTNLGRP_STATS, 774 #define RTNLGRP_STATS RTNLGRP_STATS 775 __RTNLGRP_MAX 776 }; 777 #define RTNLGRP_MAX (__RTNLGRP_MAX - 1) 778 779 /* TC action piece */ 780 struct tcamsg { 781 unsigned char tca_family; 782 unsigned char tca__pad1; 783 unsigned short tca__pad2; 784 }; 785 786 enum { 787 TCA_ROOT_UNSPEC, 788 TCA_ROOT_TAB, 789 #define TCA_ACT_TAB TCA_ROOT_TAB 790 #define TCAA_MAX TCA_ROOT_TAB 791 TCA_ROOT_FLAGS, 792 TCA_ROOT_COUNT, 793 TCA_ROOT_TIME_DELTA, /* in msecs */ 794 TCA_ROOT_EXT_WARN_MSG, 795 __TCA_ROOT_MAX, 796 #define TCA_ROOT_MAX (__TCA_ROOT_MAX - 1) 797 }; 798 799 #define TA_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct tcamsg)))) 800 #define TA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcamsg)) 801 /* tcamsg flags stored in attribute TCA_ROOT_FLAGS 802 * 803 * TCA_ACT_FLAG_LARGE_DUMP_ON user->kernel to request for larger than 804 * TCA_ACT_MAX_PRIO actions in a dump. All dump responses will contain the 805 * number of actions being dumped stored in for user app's consumption in 806 * TCA_ROOT_COUNT 807 * 808 * TCA_ACT_FLAG_TERSE_DUMP user->kernel to request terse (brief) dump that only 809 * includes essential action info (kind, index, etc.) 810 * 811 */ 812 #define TCA_FLAG_LARGE_DUMP_ON (1 << 0) 813 #define TCA_ACT_FLAG_LARGE_DUMP_ON TCA_FLAG_LARGE_DUMP_ON 814 #define TCA_ACT_FLAG_TERSE_DUMP (1 << 1) 815 816 /* New extended info filters for IFLA_EXT_MASK */ 817 #define RTEXT_FILTER_VF (1 << 0) 818 #define RTEXT_FILTER_BRVLAN (1 << 1) 819 #define RTEXT_FILTER_BRVLAN_COMPRESSED (1 << 2) 820 #define RTEXT_FILTER_SKIP_STATS (1 << 3) 821 #define RTEXT_FILTER_MRP (1 << 4) 822 #define RTEXT_FILTER_CFM_CONFIG (1 << 5) 823 #define RTEXT_FILTER_CFM_STATUS (1 << 6) 824 #define RTEXT_FILTER_MST (1 << 7) 825 826 /* End of information exported to user level */ 827 828 829 830 #endif /* __LINUX_RTNETLINK_H */