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_NEWANYCAST = 60, 104 #define RTM_NEWANYCAST RTM_NEWANYCAST 105 RTM_DELANYCAST, 106 #define RTM_DELANYCAST RTM_DELANYCAST 107 RTM_GETANYCAST, 108 #define RTM_GETANYCAST RTM_GETANYCAST 109 110 RTM_NEWNEIGHTBL = 64, 111 #define RTM_NEWNEIGHTBL RTM_NEWNEIGHTBL 112 RTM_GETNEIGHTBL = 66, 113 #define RTM_GETNEIGHTBL RTM_GETNEIGHTBL 114 RTM_SETNEIGHTBL, 115 #define RTM_SETNEIGHTBL RTM_SETNEIGHTBL 116 117 RTM_NEWNDUSEROPT = 68, 118 #define RTM_NEWNDUSEROPT RTM_NEWNDUSEROPT 119 120 RTM_NEWADDRLABEL = 72, 121 #define RTM_NEWADDRLABEL RTM_NEWADDRLABEL 122 RTM_DELADDRLABEL, 123 #define RTM_DELADDRLABEL RTM_DELADDRLABEL 124 RTM_GETADDRLABEL, 125 #define RTM_GETADDRLABEL RTM_GETADDRLABEL 126 127 RTM_GETDCB = 78, 128 #define RTM_GETDCB RTM_GETDCB 129 RTM_SETDCB, 130 #define RTM_SETDCB RTM_SETDCB 131 132 RTM_NEWNETCONF = 80, 133 #define RTM_NEWNETCONF RTM_NEWNETCONF 134 RTM_DELNETCONF, 135 #define RTM_DELNETCONF RTM_DELNETCONF 136 RTM_GETNETCONF = 82, 137 #define RTM_GETNETCONF RTM_GETNETCONF 138 139 RTM_NEWMDB = 84, 140 #define RTM_NEWMDB RTM_NEWMDB 141 RTM_DELMDB = 85, 142 #define RTM_DELMDB RTM_DELMDB 143 RTM_GETMDB = 86, 144 #define RTM_GETMDB RTM_GETMDB 145 146 RTM_NEWNSID = 88, 147 #define RTM_NEWNSID RTM_NEWNSID 148 RTM_DELNSID = 89, 149 #define RTM_DELNSID RTM_DELNSID 150 RTM_GETNSID = 90, 151 #define RTM_GETNSID RTM_GETNSID 152 153 RTM_NEWSTATS = 92, 154 #define RTM_NEWSTATS RTM_NEWSTATS 155 RTM_GETSTATS = 94, 156 #define RTM_GETSTATS RTM_GETSTATS 157 RTM_SETSTATS, 158 #define RTM_SETSTATS RTM_SETSTATS 159 160 RTM_NEWCACHEREPORT = 96, 161 #define RTM_NEWCACHEREPORT RTM_NEWCACHEREPORT 162 163 RTM_NEWCHAIN = 100, 164 #define RTM_NEWCHAIN RTM_NEWCHAIN 165 RTM_DELCHAIN, 166 #define RTM_DELCHAIN RTM_DELCHAIN 167 RTM_GETCHAIN, 168 #define RTM_GETCHAIN RTM_GETCHAIN 169 170 RTM_NEWNEXTHOP = 104, 171 #define RTM_NEWNEXTHOP RTM_NEWNEXTHOP 172 RTM_DELNEXTHOP, 173 #define RTM_DELNEXTHOP RTM_DELNEXTHOP 174 RTM_GETNEXTHOP, 175 #define RTM_GETNEXTHOP RTM_GETNEXTHOP 176 177 RTM_NEWLINKPROP = 108, 178 #define RTM_NEWLINKPROP RTM_NEWLINKPROP 179 RTM_DELLINKPROP, 180 #define RTM_DELLINKPROP RTM_DELLINKPROP 181 RTM_GETLINKPROP, 182 #define RTM_GETLINKPROP RTM_GETLINKPROP 183 184 RTM_NEWVLAN = 112, 185 #define RTM_NEWVLAN RTM_NEWVLAN 186 RTM_DELVLAN, 187 #define RTM_DELVLAN RTM_DELVLAN 188 RTM_GETVLAN, 189 #define RTM_GETVLAN RTM_GETVLAN 190 191 RTM_NEWNEXTHOPBUCKET = 116, 192 #define RTM_NEWNEXTHOPBUCKET RTM_NEWNEXTHOPBUCKET 193 RTM_DELNEXTHOPBUCKET, 194 #define RTM_DELNEXTHOPBUCKET RTM_DELNEXTHOPBUCKET 195 RTM_GETNEXTHOPBUCKET, 196 #define RTM_GETNEXTHOPBUCKET RTM_GETNEXTHOPBUCKET 197 198 RTM_NEWTUNNEL = 120, 199 #define RTM_NEWTUNNEL RTM_NEWTUNNEL 200 RTM_DELTUNNEL, 201 #define RTM_DELTUNNEL RTM_DELTUNNEL 202 RTM_GETTUNNEL, 203 #define RTM_GETTUNNEL RTM_GETTUNNEL 204 205 __RTM_MAX, 206 #define RTM_MAX (((__RTM_MAX + 3) & ~3) - 1) 207 }; 208 209 #define RTM_NR_MSGTYPES (RTM_MAX + 1 - RTM_BASE) 210 #define RTM_NR_FAMILIES (RTM_NR_MSGTYPES >> 2) 211 #define RTM_FAM(cmd) (((cmd) - RTM_BASE) >> 2) 212 213 /* 214 Generic structure for encapsulation of optional route information. 215 It is reminiscent of sockaddr, but with sa_family replaced 216 with attribute type. 217 */ 218 219 struct rtattr { 220 unsigned short rta_len; 221 unsigned short rta_type; 222 }; 223 224 /* Macros to handle rtattributes */ 225 226 #define RTA_ALIGNTO 4U 227 #define RTA_ALIGN(len) ( ((len)+RTA_ALIGNTO-1) & ~(RTA_ALIGNTO-1) ) 228 #define RTA_OK(rta,len) ((len) >= (int)sizeof(struct rtattr) && \ 229 (rta)->rta_len >= sizeof(struct rtattr) && \ 230 (rta)->rta_len <= (len)) 231 #define RTA_NEXT(rta,attrlen) ((attrlen) -= RTA_ALIGN((rta)->rta_len), \ 232 (struct rtattr*)(((char*)(rta)) + RTA_ALIGN((rta)->rta_len))) 233 #define RTA_LENGTH(len) (RTA_ALIGN(sizeof(struct rtattr)) + (len)) 234 #define RTA_SPACE(len) RTA_ALIGN(RTA_LENGTH(len)) 235 #define RTA_DATA(rta) ((void*)(((char*)(rta)) + RTA_LENGTH(0))) 236 #define RTA_PAYLOAD(rta) ((int)((rta)->rta_len) - RTA_LENGTH(0)) 237 238 239 240 241 /****************************************************************************** 242 * Definitions used in routing table administration. 243 ****/ 244 245 struct rtmsg { 246 unsigned char rtm_family; 247 unsigned char rtm_dst_len; 248 unsigned char rtm_src_len; 249 unsigned char rtm_tos; 250 251 unsigned char rtm_table; /* Routing table id */ 252 unsigned char rtm_protocol; /* Routing protocol; see below */ 253 unsigned char rtm_scope; /* See below */ 254 unsigned char rtm_type; /* See below */ 255 256 unsigned rtm_flags; 257 }; 258 259 /* rtm_type */ 260 261 enum { 262 RTN_UNSPEC, 263 RTN_UNICAST, /* Gateway or direct route */ 264 RTN_LOCAL, /* Accept locally */ 265 RTN_BROADCAST, /* Accept locally as broadcast, 266 send as broadcast */ 267 RTN_ANYCAST, /* Accept locally as broadcast, 268 but send as unicast */ 269 RTN_MULTICAST, /* Multicast route */ 270 RTN_BLACKHOLE, /* Drop */ 271 RTN_UNREACHABLE, /* Destination is unreachable */ 272 RTN_PROHIBIT, /* Administratively prohibited */ 273 RTN_THROW, /* Not in this table */ 274 RTN_NAT, /* Translate this address */ 275 RTN_XRESOLVE, /* Use external resolver */ 276 __RTN_MAX 277 }; 278 279 #define RTN_MAX (__RTN_MAX - 1) 280 281 282 /* rtm_protocol */ 283 284 #define RTPROT_UNSPEC 0 285 #define RTPROT_REDIRECT 1 /* Route installed by ICMP redirects; 286 not used by current IPv4 */ 287 #define RTPROT_KERNEL 2 /* Route installed by kernel */ 288 #define RTPROT_BOOT 3 /* Route installed during boot */ 289 #define RTPROT_STATIC 4 /* Route installed by administrator */ 290 291 /* Values of protocol >= RTPROT_STATIC are not interpreted by kernel; 292 they are just passed from user and back as is. 293 It will be used by hypothetical multiple routing daemons. 294 Note that protocol values should be standardized in order to 295 avoid conflicts. 296 */ 297 298 #define RTPROT_GATED 8 /* Apparently, GateD */ 299 #define RTPROT_RA 9 /* RDISC/ND router advertisements */ 300 #define RTPROT_MRT 10 /* Merit MRT */ 301 #define RTPROT_ZEBRA 11 /* Zebra */ 302 #define RTPROT_BIRD 12 /* BIRD */ 303 #define RTPROT_DNROUTED 13 /* DECnet routing daemon */ 304 #define RTPROT_XORP 14 /* XORP */ 305 #define RTPROT_NTK 15 /* Netsukuku */ 306 #define RTPROT_DHCP 16 /* DHCP client */ 307 #define RTPROT_MROUTED 17 /* Multicast daemon */ 308 #define RTPROT_KEEPALIVED 18 /* Keepalived daemon */ 309 #define RTPROT_BABEL 42 /* Babel daemon */ 310 #define RTPROT_OVN 84 /* OVN daemon */ 311 #define RTPROT_OPENR 99 /* Open Routing (Open/R) Routes */ 312 #define RTPROT_BGP 186 /* BGP Routes */ 313 #define RTPROT_ISIS 187 /* ISIS Routes */ 314 #define RTPROT_OSPF 188 /* OSPF Routes */ 315 #define RTPROT_RIP 189 /* RIP Routes */ 316 #define RTPROT_EIGRP 192 /* EIGRP Routes */ 317 318 /* rtm_scope 319 320 Really it is not scope, but sort of distance to the destination. 321 NOWHERE are reserved for not existing destinations, HOST is our 322 local addresses, LINK are destinations, located on directly attached 323 link and UNIVERSE is everywhere in the Universe. 324 325 Intermediate values are also possible f.e. interior routes 326 could be assigned a value between UNIVERSE and LINK. 327 */ 328 329 enum rt_scope_t { 330 RT_SCOPE_UNIVERSE=0, 331 /* User defined values */ 332 RT_SCOPE_SITE=200, 333 RT_SCOPE_LINK=253, 334 RT_SCOPE_HOST=254, 335 RT_SCOPE_NOWHERE=255 336 }; 337 338 /* rtm_flags */ 339 340 #define RTM_F_NOTIFY 0x100 /* Notify user of route change */ 341 #define RTM_F_CLONED 0x200 /* This route is cloned */ 342 #define RTM_F_EQUALIZE 0x400 /* Multipath equalizer: NI */ 343 #define RTM_F_PREFIX 0x800 /* Prefix addresses */ 344 #define RTM_F_LOOKUP_TABLE 0x1000 /* set rtm_table to FIB lookup result */ 345 #define RTM_F_FIB_MATCH 0x2000 /* return full fib lookup match */ 346 #define RTM_F_OFFLOAD 0x4000 /* route is offloaded */ 347 #define RTM_F_TRAP 0x8000 /* route is trapping packets */ 348 #define RTM_F_OFFLOAD_FAILED 0x20000000 /* route offload failed, this value 349 * is chosen to avoid conflicts with 350 * other flags defined in 351 * include/uapi/linux/ipv6_route.h 352 */ 353 354 /* Reserved table identifiers */ 355 356 enum rt_class_t { 357 RT_TABLE_UNSPEC=0, 358 /* User defined values */ 359 RT_TABLE_COMPAT=252, 360 RT_TABLE_DEFAULT=253, 361 RT_TABLE_MAIN=254, 362 RT_TABLE_LOCAL=255, 363 RT_TABLE_MAX=0xFFFFFFFF 364 }; 365 366 367 /* Routing message attributes */ 368 369 enum rtattr_type_t { 370 RTA_UNSPEC, 371 RTA_DST, 372 RTA_SRC, 373 RTA_IIF, 374 RTA_OIF, 375 RTA_GATEWAY, 376 RTA_PRIORITY, 377 RTA_PREFSRC, 378 RTA_METRICS, 379 RTA_MULTIPATH, 380 RTA_PROTOINFO, /* no longer used */ 381 RTA_FLOW, 382 RTA_CACHEINFO, 383 RTA_SESSION, /* no longer used */ 384 RTA_MP_ALGO, /* no longer used */ 385 RTA_TABLE, 386 RTA_MARK, 387 RTA_MFC_STATS, 388 RTA_VIA, 389 RTA_NEWDST, 390 RTA_PREF, 391 RTA_ENCAP_TYPE, 392 RTA_ENCAP, 393 RTA_EXPIRES, 394 RTA_PAD, 395 RTA_UID, 396 RTA_TTL_PROPAGATE, 397 RTA_IP_PROTO, 398 RTA_SPORT, 399 RTA_DPORT, 400 RTA_NH_ID, 401 RTA_FLOWLABEL, 402 RTA_DEL_REASON, 403 __RTA_MAX 404 }; 405 406 #define RTA_MAX (__RTA_MAX - 1) 407 408 #define RTM_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct rtmsg)))) 409 #define RTM_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct rtmsg)) 410 411 /* RTA_DEL_REASON: why the kernel deleted the route. u32. 412 * Emitted only on RTM_DELROUTE notifications, and only when the deletion 413 * path records a cause. Absence means either an older kernel or a 414 * deletion path that does not (yet) record its cause - consumers must 415 * treat "absent" and "unspec" identically. New causes may be appended. 416 * Currently only IPv6 deletion paths record a cause. 417 * 418 * The attribute is notification-only: the kernel rejects it in 419 * requests, so a notification must not be echoed back verbatim. 420 * 421 * The value space is family-agnostic: a value must never be 422 * reinterpreted per address family. A cause that only one family can 423 * produce still gets its own value rather than reusing another 424 * family's. 425 */ 426 enum rt_del_reason { 427 RT_DEL_REASON_UNSPEC, /* cause not recorded */ 428 RT_DEL_REASON_EXPIRED, /* RTF_EXPIRES lifetime ran out (GC) */ 429 RT_DEL_REASON_RA_WITHDRAWN, /* zero-lifetime RA / PIO / RIO */ 430 __RT_DEL_REASON_MAX 431 }; 432 433 #define RT_DEL_REASON_MAX (__RT_DEL_REASON_MAX - 1) 434 435 /* RTM_MULTIPATH --- array of struct rtnexthop. 436 * 437 * "struct rtnexthop" describes all necessary nexthop information, 438 * i.e. parameters of path to a destination via this nexthop. 439 * 440 * At the moment it is impossible to set different prefsrc, mtu, window 441 * and rtt for different paths from multipath. 442 */ 443 444 struct rtnexthop { 445 unsigned short rtnh_len; 446 unsigned char rtnh_flags; 447 unsigned char rtnh_hops; 448 int rtnh_ifindex; 449 }; 450 451 /* rtnh_flags */ 452 453 #define RTNH_F_DEAD 1 /* Nexthop is dead (used by multipath) */ 454 #define RTNH_F_PERVASIVE 2 /* Do recursive gateway lookup */ 455 #define RTNH_F_ONLINK 4 /* Gateway is forced on link */ 456 #define RTNH_F_OFFLOAD 8 /* Nexthop is offloaded */ 457 #define RTNH_F_LINKDOWN 16 /* carrier-down on nexthop */ 458 #define RTNH_F_UNRESOLVED 32 /* The entry is unresolved (ipmr) */ 459 #define RTNH_F_TRAP 64 /* Nexthop is trapping packets */ 460 461 #define RTNH_COMPARE_MASK (RTNH_F_DEAD | RTNH_F_LINKDOWN | \ 462 RTNH_F_OFFLOAD | RTNH_F_TRAP) 463 464 /* Macros to handle hexthops */ 465 466 #define RTNH_ALIGNTO 4 467 #define RTNH_ALIGN(len) ( ((len)+RTNH_ALIGNTO-1) & ~(RTNH_ALIGNTO-1) ) 468 #define RTNH_OK(rtnh,len) ((rtnh)->rtnh_len >= sizeof(struct rtnexthop) && \ 469 ((int)(rtnh)->rtnh_len) <= (len)) 470 #define RTNH_NEXT(rtnh) ((struct rtnexthop*)(((char*)(rtnh)) + RTNH_ALIGN((rtnh)->rtnh_len))) 471 #define RTNH_LENGTH(len) (RTNH_ALIGN(sizeof(struct rtnexthop)) + (len)) 472 #define RTNH_SPACE(len) RTNH_ALIGN(RTNH_LENGTH(len)) 473 #define RTNH_DATA(rtnh) ((struct rtattr*)(((char*)(rtnh)) + RTNH_LENGTH(0))) 474 475 /* RTA_VIA */ 476 struct rtvia { 477 __kernel_sa_family_t rtvia_family; 478 __u8 rtvia_addr[]; 479 }; 480 481 /* RTM_CACHEINFO */ 482 483 struct rta_cacheinfo { 484 __u32 rta_clntref; 485 __u32 rta_lastuse; 486 __s32 rta_expires; 487 __u32 rta_error; 488 __u32 rta_used; 489 490 #define RTNETLINK_HAVE_PEERINFO 1 491 __u32 rta_id; 492 __u32 rta_ts; 493 __u32 rta_tsage; 494 }; 495 496 /* RTM_METRICS --- array of struct rtattr with types of RTAX_* */ 497 498 enum { 499 RTAX_UNSPEC, 500 #define RTAX_UNSPEC RTAX_UNSPEC 501 RTAX_LOCK, 502 #define RTAX_LOCK RTAX_LOCK 503 RTAX_MTU, 504 #define RTAX_MTU RTAX_MTU 505 RTAX_WINDOW, 506 #define RTAX_WINDOW RTAX_WINDOW 507 RTAX_RTT, 508 #define RTAX_RTT RTAX_RTT 509 RTAX_RTTVAR, 510 #define RTAX_RTTVAR RTAX_RTTVAR 511 RTAX_SSTHRESH, 512 #define RTAX_SSTHRESH RTAX_SSTHRESH 513 RTAX_CWND, 514 #define RTAX_CWND RTAX_CWND 515 RTAX_ADVMSS, 516 #define RTAX_ADVMSS RTAX_ADVMSS 517 RTAX_REORDERING, 518 #define RTAX_REORDERING RTAX_REORDERING 519 RTAX_HOPLIMIT, 520 #define RTAX_HOPLIMIT RTAX_HOPLIMIT 521 RTAX_INITCWND, 522 #define RTAX_INITCWND RTAX_INITCWND 523 RTAX_FEATURES, 524 #define RTAX_FEATURES RTAX_FEATURES 525 RTAX_RTO_MIN, 526 #define RTAX_RTO_MIN RTAX_RTO_MIN 527 RTAX_INITRWND, 528 #define RTAX_INITRWND RTAX_INITRWND 529 RTAX_QUICKACK, 530 #define RTAX_QUICKACK RTAX_QUICKACK 531 RTAX_CC_ALGO, 532 #define RTAX_CC_ALGO RTAX_CC_ALGO 533 RTAX_FASTOPEN_NO_COOKIE, 534 #define RTAX_FASTOPEN_NO_COOKIE RTAX_FASTOPEN_NO_COOKIE 535 __RTAX_MAX 536 }; 537 538 #define RTAX_MAX (__RTAX_MAX - 1) 539 540 #define RTAX_FEATURE_ECN (1 << 0) 541 #define RTAX_FEATURE_SACK (1 << 1) /* unused */ 542 #define RTAX_FEATURE_TIMESTAMP (1 << 2) /* unused */ 543 #define RTAX_FEATURE_ALLFRAG (1 << 3) /* unused */ 544 #define RTAX_FEATURE_TCP_USEC_TS (1 << 4) 545 546 #define RTAX_FEATURE_MASK (RTAX_FEATURE_ECN | \ 547 RTAX_FEATURE_SACK | \ 548 RTAX_FEATURE_TIMESTAMP | \ 549 RTAX_FEATURE_ALLFRAG | \ 550 RTAX_FEATURE_TCP_USEC_TS) 551 552 struct rta_session { 553 __u8 proto; 554 __u8 pad1; 555 __u16 pad2; 556 557 union { 558 struct { 559 __u16 sport; 560 __u16 dport; 561 } ports; 562 563 struct { 564 __u8 type; 565 __u8 code; 566 __u16 ident; 567 } icmpt; 568 569 __u32 spi; 570 } u; 571 }; 572 573 struct rta_mfc_stats { 574 __u64 mfcs_packets; 575 __u64 mfcs_bytes; 576 __u64 mfcs_wrong_if; 577 }; 578 579 /**** 580 * General form of address family dependent message. 581 ****/ 582 583 struct rtgenmsg { 584 unsigned char rtgen_family; 585 }; 586 587 /***************************************************************** 588 * Link layer specific messages. 589 ****/ 590 591 /* struct ifinfomsg 592 * passes link level specific information, not dependent 593 * on network protocol. 594 */ 595 596 struct ifinfomsg { 597 unsigned char ifi_family; 598 unsigned char __ifi_pad; 599 unsigned short ifi_type; /* ARPHRD_* */ 600 int ifi_index; /* Link index */ 601 unsigned ifi_flags; /* IFF_* flags */ 602 unsigned ifi_change; /* IFF_* change mask */ 603 }; 604 605 /******************************************************************** 606 * prefix information 607 ****/ 608 609 struct prefixmsg { 610 unsigned char prefix_family; 611 unsigned char prefix_pad1; 612 unsigned short prefix_pad2; 613 int prefix_ifindex; 614 unsigned char prefix_type; 615 unsigned char prefix_len; 616 unsigned char prefix_flags; 617 unsigned char prefix_pad3; 618 }; 619 620 enum 621 { 622 PREFIX_UNSPEC, 623 PREFIX_ADDRESS, 624 PREFIX_CACHEINFO, 625 __PREFIX_MAX 626 }; 627 628 #define PREFIX_MAX (__PREFIX_MAX - 1) 629 630 struct prefix_cacheinfo { 631 __u32 preferred_time; 632 __u32 valid_time; 633 }; 634 635 636 /***************************************************************** 637 * Traffic control messages. 638 ****/ 639 640 struct tcmsg { 641 unsigned char tcm_family; 642 unsigned char tcm__pad1; 643 unsigned short tcm__pad2; 644 int tcm_ifindex; 645 __u32 tcm_handle; 646 __u32 tcm_parent; 647 /* tcm_block_index is used instead of tcm_parent 648 * in case tcm_ifindex == TCM_IFINDEX_MAGIC_BLOCK 649 */ 650 #define tcm_block_index tcm_parent 651 __u32 tcm_info; 652 }; 653 654 /* For manipulation of filters in shared block, tcm_ifindex is set to 655 * TCM_IFINDEX_MAGIC_BLOCK, and tcm_parent is aliased to tcm_block_index 656 * which is the block index. 657 */ 658 #define TCM_IFINDEX_MAGIC_BLOCK (0xFFFFFFFFU) 659 660 enum { 661 TCA_UNSPEC, 662 TCA_KIND, 663 TCA_OPTIONS, 664 TCA_STATS, 665 TCA_XSTATS, 666 TCA_RATE, 667 TCA_FCNT, 668 TCA_STATS2, 669 TCA_STAB, 670 TCA_PAD, 671 TCA_DUMP_INVISIBLE, 672 TCA_CHAIN, 673 TCA_HW_OFFLOAD, 674 TCA_INGRESS_BLOCK, 675 TCA_EGRESS_BLOCK, 676 TCA_DUMP_FLAGS, 677 TCA_EXT_WARN_MSG, 678 __TCA_MAX 679 }; 680 681 #define TCA_MAX (__TCA_MAX - 1) 682 683 #define TCA_DUMP_FLAGS_TERSE (1 << 0) /* Means that in dump user gets only basic 684 * data necessary to identify the objects 685 * (handle, cookie, etc.) and stats. 686 */ 687 688 #define TCA_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct tcmsg)))) 689 #define TCA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcmsg)) 690 691 /******************************************************************** 692 * Neighbor Discovery userland options 693 ****/ 694 695 struct nduseroptmsg { 696 unsigned char nduseropt_family; 697 unsigned char nduseropt_pad1; 698 unsigned short nduseropt_opts_len; /* Total length of options */ 699 int nduseropt_ifindex; 700 __u8 nduseropt_icmp_type; 701 __u8 nduseropt_icmp_code; 702 unsigned short nduseropt_pad2; 703 unsigned int nduseropt_pad3; 704 /* Followed by one or more ND options */ 705 }; 706 707 enum { 708 NDUSEROPT_UNSPEC, 709 NDUSEROPT_SRCADDR, 710 __NDUSEROPT_MAX 711 }; 712 713 #define NDUSEROPT_MAX (__NDUSEROPT_MAX - 1) 714 715 #ifndef __KERNEL__ 716 /* RTnetlink multicast groups - backwards compatibility for userspace */ 717 #define RTMGRP_LINK 1 718 #define RTMGRP_NOTIFY 2 719 #define RTMGRP_NEIGH 4 720 #define RTMGRP_TC 8 721 722 #define RTMGRP_IPV4_IFADDR 0x10 723 #define RTMGRP_IPV4_MROUTE 0x20 724 #define RTMGRP_IPV4_ROUTE 0x40 725 #define RTMGRP_IPV4_RULE 0x80 726 727 #define RTMGRP_IPV6_IFADDR 0x100 728 #define RTMGRP_IPV6_MROUTE 0x200 729 #define RTMGRP_IPV6_ROUTE 0x400 730 #define RTMGRP_IPV6_IFINFO 0x800 731 732 #define RTMGRP_DECnet_IFADDR 0x1000 733 #define RTMGRP_DECnet_ROUTE 0x4000 734 735 #define RTMGRP_IPV6_PREFIX 0x20000 736 #endif 737 738 /* RTnetlink multicast groups */ 739 enum rtnetlink_groups { 740 RTNLGRP_NONE, 741 #define RTNLGRP_NONE RTNLGRP_NONE 742 RTNLGRP_LINK, 743 #define RTNLGRP_LINK RTNLGRP_LINK 744 RTNLGRP_NOTIFY, 745 #define RTNLGRP_NOTIFY RTNLGRP_NOTIFY 746 RTNLGRP_NEIGH, 747 #define RTNLGRP_NEIGH RTNLGRP_NEIGH 748 RTNLGRP_TC, 749 #define RTNLGRP_TC RTNLGRP_TC 750 RTNLGRP_IPV4_IFADDR, 751 #define RTNLGRP_IPV4_IFADDR RTNLGRP_IPV4_IFADDR 752 RTNLGRP_IPV4_MROUTE, 753 #define RTNLGRP_IPV4_MROUTE RTNLGRP_IPV4_MROUTE 754 RTNLGRP_IPV4_ROUTE, 755 #define RTNLGRP_IPV4_ROUTE RTNLGRP_IPV4_ROUTE 756 RTNLGRP_IPV4_RULE, 757 #define RTNLGRP_IPV4_RULE RTNLGRP_IPV4_RULE 758 RTNLGRP_IPV6_IFADDR, 759 #define RTNLGRP_IPV6_IFADDR RTNLGRP_IPV6_IFADDR 760 RTNLGRP_IPV6_MROUTE, 761 #define RTNLGRP_IPV6_MROUTE RTNLGRP_IPV6_MROUTE 762 RTNLGRP_IPV6_ROUTE, 763 #define RTNLGRP_IPV6_ROUTE RTNLGRP_IPV6_ROUTE 764 RTNLGRP_IPV6_IFINFO, 765 #define RTNLGRP_IPV6_IFINFO RTNLGRP_IPV6_IFINFO 766 RTNLGRP_DECnet_IFADDR, 767 #define RTNLGRP_DECnet_IFADDR RTNLGRP_DECnet_IFADDR 768 RTNLGRP_NOP2, 769 RTNLGRP_DECnet_ROUTE, 770 #define RTNLGRP_DECnet_ROUTE RTNLGRP_DECnet_ROUTE 771 RTNLGRP_DECnet_RULE, 772 #define RTNLGRP_DECnet_RULE RTNLGRP_DECnet_RULE 773 RTNLGRP_NOP4, 774 RTNLGRP_IPV6_PREFIX, 775 #define RTNLGRP_IPV6_PREFIX RTNLGRP_IPV6_PREFIX 776 RTNLGRP_IPV6_RULE, 777 #define RTNLGRP_IPV6_RULE RTNLGRP_IPV6_RULE 778 RTNLGRP_ND_USEROPT, 779 #define RTNLGRP_ND_USEROPT RTNLGRP_ND_USEROPT 780 RTNLGRP_PHONET_IFADDR, 781 #define RTNLGRP_PHONET_IFADDR RTNLGRP_PHONET_IFADDR 782 RTNLGRP_PHONET_ROUTE, 783 #define RTNLGRP_PHONET_ROUTE RTNLGRP_PHONET_ROUTE 784 RTNLGRP_DCB, 785 #define RTNLGRP_DCB RTNLGRP_DCB 786 RTNLGRP_IPV4_NETCONF, 787 #define RTNLGRP_IPV4_NETCONF RTNLGRP_IPV4_NETCONF 788 RTNLGRP_IPV6_NETCONF, 789 #define RTNLGRP_IPV6_NETCONF RTNLGRP_IPV6_NETCONF 790 RTNLGRP_MDB, 791 #define RTNLGRP_MDB RTNLGRP_MDB 792 RTNLGRP_MPLS_ROUTE, 793 #define RTNLGRP_MPLS_ROUTE RTNLGRP_MPLS_ROUTE 794 RTNLGRP_NSID, 795 #define RTNLGRP_NSID RTNLGRP_NSID 796 RTNLGRP_MPLS_NETCONF, 797 #define RTNLGRP_MPLS_NETCONF RTNLGRP_MPLS_NETCONF 798 RTNLGRP_IPV4_MROUTE_R, 799 #define RTNLGRP_IPV4_MROUTE_R RTNLGRP_IPV4_MROUTE_R 800 RTNLGRP_IPV6_MROUTE_R, 801 #define RTNLGRP_IPV6_MROUTE_R RTNLGRP_IPV6_MROUTE_R 802 RTNLGRP_NEXTHOP, 803 #define RTNLGRP_NEXTHOP RTNLGRP_NEXTHOP 804 RTNLGRP_BRVLAN, 805 #define RTNLGRP_BRVLAN RTNLGRP_BRVLAN 806 RTNLGRP_MCTP_IFADDR, 807 #define RTNLGRP_MCTP_IFADDR RTNLGRP_MCTP_IFADDR 808 RTNLGRP_TUNNEL, 809 #define RTNLGRP_TUNNEL RTNLGRP_TUNNEL 810 RTNLGRP_STATS, 811 #define RTNLGRP_STATS RTNLGRP_STATS 812 RTNLGRP_IPV4_MCADDR, 813 #define RTNLGRP_IPV4_MCADDR RTNLGRP_IPV4_MCADDR 814 RTNLGRP_IPV6_MCADDR, 815 #define RTNLGRP_IPV6_MCADDR RTNLGRP_IPV6_MCADDR 816 RTNLGRP_IPV6_ACADDR, 817 #define RTNLGRP_IPV6_ACADDR RTNLGRP_IPV6_ACADDR 818 __RTNLGRP_MAX 819 }; 820 #define RTNLGRP_MAX (__RTNLGRP_MAX - 1) 821 822 /* TC action piece */ 823 struct tcamsg { 824 unsigned char tca_family; 825 unsigned char tca__pad1; 826 unsigned short tca__pad2; 827 }; 828 829 enum { 830 TCA_ROOT_UNSPEC, 831 TCA_ROOT_TAB, 832 #define TCA_ACT_TAB TCA_ROOT_TAB 833 #define TCAA_MAX TCA_ROOT_TAB 834 TCA_ROOT_FLAGS, 835 TCA_ROOT_COUNT, 836 TCA_ROOT_TIME_DELTA, /* in msecs */ 837 TCA_ROOT_EXT_WARN_MSG, 838 __TCA_ROOT_MAX, 839 #define TCA_ROOT_MAX (__TCA_ROOT_MAX - 1) 840 }; 841 842 #define TA_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct tcamsg)))) 843 #define TA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcamsg)) 844 /* tcamsg flags stored in attribute TCA_ROOT_FLAGS 845 * 846 * TCA_ACT_FLAG_LARGE_DUMP_ON user->kernel to request for larger than 847 * TCA_ACT_MAX_PRIO actions in a dump. All dump responses will contain the 848 * number of actions being dumped stored in for user app's consumption in 849 * TCA_ROOT_COUNT 850 * 851 * TCA_ACT_FLAG_TERSE_DUMP user->kernel to request terse (brief) dump that only 852 * includes essential action info (kind, index, etc.) 853 * 854 */ 855 #define TCA_FLAG_LARGE_DUMP_ON (1 << 0) 856 #define TCA_ACT_FLAG_LARGE_DUMP_ON TCA_FLAG_LARGE_DUMP_ON 857 #define TCA_ACT_FLAG_TERSE_DUMP (1 << 1) 858 859 /* New extended info filters for IFLA_EXT_MASK */ 860 #define RTEXT_FILTER_VF (1 << 0) 861 #define RTEXT_FILTER_BRVLAN (1 << 1) 862 #define RTEXT_FILTER_BRVLAN_COMPRESSED (1 << 2) 863 #define RTEXT_FILTER_SKIP_STATS (1 << 3) 864 #define RTEXT_FILTER_MRP (1 << 4) 865 #define RTEXT_FILTER_CFM_CONFIG (1 << 5) 866 #define RTEXT_FILTER_CFM_STATUS (1 << 6) 867 #define RTEXT_FILTER_MST (1 << 7) 868 #define RTEXT_FILTER_NAME_ONLY (1 << 8) 869 870 /* End of information exported to user level */ 871 872 873 874 #endif /* _UAPI__LINUX_RTNETLINK_H */ 875