rtnetlink.h revision 206a04411c9dec5651243efe4c3d0c237f4e780d
1#ifndef __LINUX_RTNETLINK_H 2#define __LINUX_RTNETLINK_H 3 4#include <linux/netlink.h> 5 6/**** 7 * Routing/neighbour discovery messages. 8 ****/ 9 10/* Types of messages */ 11 12enum { 13 RTM_BASE = 16, 14#define RTM_BASE RTM_BASE 15 16 RTM_NEWLINK = 16, 17#define RTM_NEWLINK RTM_NEWLINK 18 RTM_DELLINK, 19#define RTM_DELLINK RTM_DELLINK 20 RTM_GETLINK, 21#define RTM_GETLINK RTM_GETLINK 22 RTM_SETLINK, 23#define RTM_SETLINK RTM_SETLINK 24 25 RTM_NEWADDR = 20, 26#define RTM_NEWADDR RTM_NEWADDR 27 RTM_DELADDR, 28#define RTM_DELADDR RTM_DELADDR 29 RTM_GETADDR, 30#define RTM_GETADDR RTM_GETADDR 31 32 RTM_NEWROUTE = 24, 33#define RTM_NEWROUTE RTM_NEWROUTE 34 RTM_DELROUTE, 35#define RTM_DELROUTE RTM_DELROUTE 36 RTM_GETROUTE, 37#define RTM_GETROUTE RTM_GETROUTE 38 39 RTM_NEWNEIGH = 28, 40#define RTM_NEWNEIGH RTM_NEWNEIGH 41 RTM_DELNEIGH, 42#define RTM_DELNEIGH RTM_DELNEIGH 43 RTM_GETNEIGH, 44#define RTM_GETNEIGH RTM_GETNEIGH 45 46 RTM_NEWRULE = 32, 47#define RTM_NEWRULE RTM_NEWRULE 48 RTM_DELRULE, 49#define RTM_DELRULE RTM_DELRULE 50 RTM_GETRULE, 51#define RTM_GETRULE RTM_GETRULE 52 53 RTM_NEWQDISC = 36, 54#define RTM_NEWQDISC RTM_NEWQDISC 55 RTM_DELQDISC, 56#define RTM_DELQDISC RTM_DELQDISC 57 RTM_GETQDISC, 58#define RTM_GETQDISC RTM_GETQDISC 59 60 RTM_NEWTCLASS = 40, 61#define RTM_NEWTCLASS RTM_NEWTCLASS 62 RTM_DELTCLASS, 63#define RTM_DELTCLASS RTM_DELTCLASS 64 RTM_GETTCLASS, 65#define RTM_GETTCLASS RTM_GETTCLASS 66 67 RTM_NEWTFILTER = 44, 68#define RTM_NEWTFILTER RTM_NEWTFILTER 69 RTM_DELTFILTER, 70#define RTM_DELTFILTER RTM_DELTFILTER 71 RTM_GETTFILTER, 72#define RTM_GETTFILTER RTM_GETTFILTER 73 74 RTM_NEWACTION = 48, 75#define RTM_NEWACTION RTM_NEWACTION 76 RTM_DELACTION, 77#define RTM_DELACTION RTM_DELACTION 78 RTM_GETACTION, 79#define RTM_GETACTION RTM_GETACTION 80 81 RTM_NEWPREFIX = 52, 82#define RTM_NEWPREFIX RTM_NEWPREFIX 83 RTM_GETPREFIX = 54, 84#define RTM_GETPREFIX RTM_GETPREFIX 85 86 RTM_GETMULTICAST = 58, 87#define RTM_GETMULTICAST RTM_GETMULTICAST 88 89 RTM_GETANYCAST = 62, 90#define RTM_GETANYCAST RTM_GETANYCAST 91 92 RTM_MAX, 93#define RTM_MAX RTM_MAX 94}; 95 96/* 97 Generic structure for encapsulation of optional route information. 98 It is reminiscent of sockaddr, but with sa_family replaced 99 with attribute type. 100 */ 101 102struct rtattr 103{ 104 unsigned short rta_len; 105 unsigned short rta_type; 106}; 107 108/* Macros to handle rtattributes */ 109 110#define RTA_ALIGNTO 4 111#define RTA_ALIGN(len) ( ((len)+RTA_ALIGNTO-1) & ~(RTA_ALIGNTO-1) ) 112#define RTA_OK(rta,len) ((len) >= (int)sizeof(struct rtattr) && \ 113 (rta)->rta_len >= sizeof(struct rtattr) && \ 114 (rta)->rta_len <= (len)) 115#define RTA_NEXT(rta,attrlen) ((attrlen) -= RTA_ALIGN((rta)->rta_len), \ 116 (struct rtattr*)(((char*)(rta)) + RTA_ALIGN((rta)->rta_len))) 117#define RTA_LENGTH(len) (RTA_ALIGN(sizeof(struct rtattr)) + (len)) 118#define RTA_SPACE(len) RTA_ALIGN(RTA_LENGTH(len)) 119#define RTA_DATA(rta) ((void*)(((char*)(rta)) + RTA_LENGTH(0))) 120#define RTA_PAYLOAD(rta) ((int)((rta)->rta_len) - RTA_LENGTH(0)) 121 122 123 124 125/****************************************************************************** 126 * Definitions used in routing table administration. 127 ****/ 128 129struct rtmsg 130{ 131 unsigned char rtm_family; 132 unsigned char rtm_dst_len; 133 unsigned char rtm_src_len; 134 unsigned char rtm_tos; 135 136 unsigned char rtm_table; /* Routing table id */ 137 unsigned char rtm_protocol; /* Routing protocol; see below */ 138 unsigned char rtm_scope; /* See below */ 139 unsigned char rtm_type; /* See below */ 140 141 unsigned rtm_flags; 142}; 143 144/* rtm_type */ 145 146enum 147{ 148 RTN_UNSPEC, 149 RTN_UNICAST, /* Gateway or direct route */ 150 RTN_LOCAL, /* Accept locally */ 151 RTN_BROADCAST, /* Accept locally as broadcast, 152 send as broadcast */ 153 RTN_ANYCAST, /* Accept locally as broadcast, 154 but send as unicast */ 155 RTN_MULTICAST, /* Multicast route */ 156 RTN_BLACKHOLE, /* Drop */ 157 RTN_UNREACHABLE, /* Destination is unreachable */ 158 RTN_PROHIBIT, /* Administratively prohibited */ 159 RTN_THROW, /* Not in this table */ 160 RTN_NAT, /* Translate this address */ 161 RTN_XRESOLVE, /* Use external resolver */ 162 __RTN_MAX 163}; 164 165#define RTN_MAX (__RTN_MAX - 1) 166 167 168/* rtm_protocol */ 169 170#define RTPROT_UNSPEC 0 171#define RTPROT_REDIRECT 1 /* Route installed by ICMP redirects; 172 not used by current IPv4 */ 173#define RTPROT_KERNEL 2 /* Route installed by kernel */ 174#define RTPROT_BOOT 3 /* Route installed during boot */ 175#define RTPROT_STATIC 4 /* Route installed by administrator */ 176 177/* Values of protocol >= RTPROT_STATIC are not interpreted by kernel; 178 they are just passed from user and back as is. 179 It will be used by hypothetical multiple routing daemons. 180 Note that protocol values should be standardized in order to 181 avoid conflicts. 182 */ 183 184#define RTPROT_GATED 8 /* Apparently, GateD */ 185#define RTPROT_RA 9 /* RDISC/ND router advertisements */ 186#define RTPROT_MRT 10 /* Merit MRT */ 187#define RTPROT_ZEBRA 11 /* Zebra */ 188#define RTPROT_BIRD 12 /* BIRD */ 189#define RTPROT_DNROUTED 13 /* DECnet routing daemon */ 190#define RTPROT_XORP 14 /* XORP */ 191 192/* rtm_scope 193 194 Really it is not scope, but sort of distance to the destination. 195 NOWHERE are reserved for not existing destinations, HOST is our 196 local addresses, LINK are destinations, located on directly attached 197 link and UNIVERSE is everywhere in the Universe. 198 199 Intermediate values are also possible f.e. interior routes 200 could be assigned a value between UNIVERSE and LINK. 201*/ 202 203enum rt_scope_t 204{ 205 RT_SCOPE_UNIVERSE=0, 206/* User defined values */ 207 RT_SCOPE_SITE=200, 208 RT_SCOPE_LINK=253, 209 RT_SCOPE_HOST=254, 210 RT_SCOPE_NOWHERE=255 211}; 212 213/* rtm_flags */ 214 215#define RTM_F_NOTIFY 0x100 /* Notify user of route change */ 216#define RTM_F_CLONED 0x200 /* This route is cloned */ 217#define RTM_F_EQUALIZE 0x400 /* Multipath equalizer: NI */ 218#define RTM_F_PREFIX 0x800 /* Prefix addresses */ 219 220/* Reserved table identifiers */ 221 222enum rt_class_t 223{ 224 RT_TABLE_UNSPEC=0, 225/* User defined values */ 226 RT_TABLE_DEFAULT=253, 227 RT_TABLE_MAIN=254, 228 RT_TABLE_LOCAL=255, 229 __RT_TABLE_MAX 230}; 231#define RT_TABLE_MAX (__RT_TABLE_MAX - 1) 232 233 234 235/* Routing message attributes */ 236 237enum rtattr_type_t 238{ 239 RTA_UNSPEC, 240 RTA_DST, 241 RTA_SRC, 242 RTA_IIF, 243 RTA_OIF, 244 RTA_GATEWAY, 245 RTA_PRIORITY, 246 RTA_PREFSRC, 247 RTA_METRICS, 248 RTA_MULTIPATH, 249 RTA_PROTOINFO, 250 RTA_FLOW, 251 RTA_CACHEINFO, 252 RTA_SESSION, 253 RTA_MP_ALGO, 254 __RTA_MAX 255}; 256 257#define RTA_MAX (__RTA_MAX - 1) 258 259#define RTM_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct rtmsg)))) 260#define RTM_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct rtmsg)) 261 262/* RTM_MULTIPATH --- array of struct rtnexthop. 263 * 264 * "struct rtnexthop" describes all necessary nexthop information, 265 * i.e. parameters of path to a destination via this nexthop. 266 * 267 * At the moment it is impossible to set different prefsrc, mtu, window 268 * and rtt for different paths from multipath. 269 */ 270 271struct rtnexthop 272{ 273 unsigned short rtnh_len; 274 unsigned char rtnh_flags; 275 unsigned char rtnh_hops; 276 int rtnh_ifindex; 277}; 278 279/* rtnh_flags */ 280 281#define RTNH_F_DEAD 1 /* Nexthop is dead (used by multipath) */ 282#define RTNH_F_PERVASIVE 2 /* Do recursive gateway lookup */ 283#define RTNH_F_ONLINK 4 /* Gateway is forced on link */ 284 285/* Macros to handle hexthops */ 286 287#define RTNH_ALIGNTO 4 288#define RTNH_ALIGN(len) ( ((len)+RTNH_ALIGNTO-1) & ~(RTNH_ALIGNTO-1) ) 289#define RTNH_OK(rtnh,len) ((rtnh)->rtnh_len >= sizeof(struct rtnexthop) && \ 290 ((int)(rtnh)->rtnh_len) <= (len)) 291#define RTNH_NEXT(rtnh) ((struct rtnexthop*)(((char*)(rtnh)) + RTNH_ALIGN((rtnh)->rtnh_len))) 292#define RTNH_LENGTH(len) (RTNH_ALIGN(sizeof(struct rtnexthop)) + (len)) 293#define RTNH_SPACE(len) RTNH_ALIGN(RTNH_LENGTH(len)) 294#define RTNH_DATA(rtnh) ((struct rtattr*)(((char*)(rtnh)) + RTNH_LENGTH(0))) 295 296/* RTM_CACHEINFO */ 297 298struct rta_cacheinfo 299{ 300 __u32 rta_clntref; 301 __u32 rta_lastuse; 302 __s32 rta_expires; 303 __u32 rta_error; 304 __u32 rta_used; 305 306#define RTNETLINK_HAVE_PEERINFO 1 307 __u32 rta_id; 308 __u32 rta_ts; 309 __u32 rta_tsage; 310}; 311 312/* RTM_METRICS --- array of struct rtattr with types of RTAX_* */ 313 314enum 315{ 316 RTAX_UNSPEC, 317#define RTAX_UNSPEC RTAX_UNSPEC 318 RTAX_LOCK, 319#define RTAX_LOCK RTAX_LOCK 320 RTAX_MTU, 321#define RTAX_MTU RTAX_MTU 322 RTAX_WINDOW, 323#define RTAX_WINDOW RTAX_WINDOW 324 RTAX_RTT, 325#define RTAX_RTT RTAX_RTT 326 RTAX_RTTVAR, 327#define RTAX_RTTVAR RTAX_RTTVAR 328 RTAX_SSTHRESH, 329#define RTAX_SSTHRESH RTAX_SSTHRESH 330 RTAX_CWND, 331#define RTAX_CWND RTAX_CWND 332 RTAX_ADVMSS, 333#define RTAX_ADVMSS RTAX_ADVMSS 334 RTAX_REORDERING, 335#define RTAX_REORDERING RTAX_REORDERING 336 RTAX_HOPLIMIT, 337#define RTAX_HOPLIMIT RTAX_HOPLIMIT 338 RTAX_INITCWND, 339#define RTAX_INITCWND RTAX_INITCWND 340 RTAX_FEATURES, 341#define RTAX_FEATURES RTAX_FEATURES 342 __RTAX_MAX 343}; 344 345#define RTAX_MAX (__RTAX_MAX - 1) 346 347#define RTAX_FEATURE_ECN 0x00000001 348#define RTAX_FEATURE_SACK 0x00000002 349#define RTAX_FEATURE_TIMESTAMP 0x00000004 350#define RTAX_FEATURE_ALLFRAG 0x00000008 351 352struct rta_session 353{ 354 __u8 proto; 355 356 union { 357 struct { 358 __u16 sport; 359 __u16 dport; 360 } ports; 361 362 struct { 363 __u8 type; 364 __u8 code; 365 __u16 ident; 366 } icmpt; 367 368 __u32 spi; 369 } u; 370}; 371 372 373/********************************************************* 374 * Interface address. 375 ****/ 376 377struct ifaddrmsg 378{ 379 unsigned char ifa_family; 380 unsigned char ifa_prefixlen; /* The prefix length */ 381 unsigned char ifa_flags; /* Flags */ 382 unsigned char ifa_scope; /* See above */ 383 int ifa_index; /* Link index */ 384}; 385 386enum 387{ 388 IFA_UNSPEC, 389 IFA_ADDRESS, 390 IFA_LOCAL, 391 IFA_LABEL, 392 IFA_BROADCAST, 393 IFA_ANYCAST, 394 IFA_CACHEINFO, 395 IFA_MULTICAST, 396 __IFA_MAX 397}; 398 399#define IFA_MAX (__IFA_MAX - 1) 400 401/* 402 * Quirk for IPv4 address deletion to allow exact deletion of equal 403 * addresses varying only in prefix length. A explicit exact comparison 404 * of the prefix length will only be done if IFA_PREFIX_EXACT_DEL is 405 * ORed to ifa_prefixlen. 406 * 407 * Note: This special treatment is only understood while deleting 408 * addresses and will lead to unexpected behaviour if used 409 * otherwise. 410 */ 411#define IFA_PREFIX_EXACT_DEL 0x40 412#define IFA_REAL_DEL_PREFIX(l) ((l) & 0x3f) 413 414/* ifa_flags */ 415 416#define IFA_F_SECONDARY 0x01 417#define IFA_F_TEMPORARY IFA_F_SECONDARY 418 419#define IFA_F_DEPRECATED 0x20 420#define IFA_F_TENTATIVE 0x40 421#define IFA_F_PERMANENT 0x80 422 423struct ifa_cacheinfo 424{ 425 __u32 ifa_prefered; 426 __u32 ifa_valid; 427 __u32 cstamp; /* created timestamp, hundredths of seconds */ 428 __u32 tstamp; /* updated timestamp, hundredths of seconds */ 429}; 430 431 432#define IFA_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ifaddrmsg)))) 433#define IFA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct ifaddrmsg)) 434 435/* 436 Important comment: 437 IFA_ADDRESS is prefix address, rather than local interface address. 438 It makes no difference for normally configured broadcast interfaces, 439 but for point-to-point IFA_ADDRESS is DESTINATION address, 440 local address is supplied in IFA_LOCAL attribute. 441 */ 442 443/************************************************************** 444 * Neighbour discovery. 445 ****/ 446 447struct ndmsg 448{ 449 unsigned char ndm_family; 450 unsigned char ndm_pad1; 451 unsigned short ndm_pad2; 452 int ndm_ifindex; /* Link index */ 453 __u16 ndm_state; 454 __u8 ndm_flags; 455 __u8 ndm_type; 456}; 457 458enum 459{ 460 NDA_UNSPEC, 461 NDA_DST, 462 NDA_LLADDR, 463 NDA_CACHEINFO, 464 NDA_PROBES, 465 __NDA_MAX 466}; 467 468#define NDA_MAX (__NDA_MAX - 1) 469 470#define NDA_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ndmsg)))) 471#define NDA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct ndmsg)) 472 473/* 474 * Neighbor Cache Entry Flags 475 */ 476 477#define NTF_PROXY 0x08 /* == ATF_PUBL */ 478#define NTF_ROUTER 0x80 479 480/* 481 * Neighbor Cache Entry States. 482 */ 483 484#define NUD_INCOMPLETE 0x01 485#define NUD_REACHABLE 0x02 486#define NUD_STALE 0x04 487#define NUD_DELAY 0x08 488#define NUD_PROBE 0x10 489#define NUD_FAILED 0x20 490 491/* Dummy states */ 492#define NUD_NOARP 0x40 493#define NUD_PERMANENT 0x80 494#define NUD_NONE 0x00 495 496 497struct nda_cacheinfo 498{ 499 __u32 ndm_confirmed; 500 __u32 ndm_used; 501 __u32 ndm_updated; 502 __u32 ndm_refcnt; 503}; 504 505/**** 506 * General form of address family dependent message. 507 ****/ 508 509struct rtgenmsg 510{ 511 unsigned char rtgen_family; 512}; 513 514/***************************************************************** 515 * Link layer specific messages. 516 ****/ 517 518/* struct ifinfomsg 519 * passes link level specific information, not dependent 520 * on network protocol. 521 */ 522 523struct ifinfomsg 524{ 525 unsigned char ifi_family; 526 unsigned char __ifi_pad; 527 unsigned short ifi_type; /* ARPHRD_* */ 528 int ifi_index; /* Link index */ 529 unsigned ifi_flags; /* IFF_* flags */ 530 unsigned ifi_change; /* IFF_* change mask */ 531}; 532 533/******************************************************************** 534 * prefix information 535 ****/ 536 537struct prefixmsg 538{ 539 unsigned char prefix_family; 540 int prefix_ifindex; 541 unsigned char prefix_type; 542 unsigned char prefix_len; 543 unsigned char prefix_flags; 544}; 545 546enum 547{ 548 PREFIX_UNSPEC, 549 PREFIX_ADDRESS, 550 PREFIX_CACHEINFO, 551 __PREFIX_MAX 552}; 553 554#define PREFIX_MAX (__PREFIX_MAX - 1) 555 556struct prefix_cacheinfo 557{ 558 __u32 preferred_time; 559 __u32 valid_time; 560}; 561 562/* The struct should be in sync with struct net_device_stats */ 563struct rtnl_link_stats 564{ 565 __u32 rx_packets; /* total packets received */ 566 __u32 tx_packets; /* total packets transmitted */ 567 __u32 rx_bytes; /* total bytes received */ 568 __u32 tx_bytes; /* total bytes transmitted */ 569 __u32 rx_errors; /* bad packets received */ 570 __u32 tx_errors; /* packet transmit problems */ 571 __u32 rx_dropped; /* no space in linux buffers */ 572 __u32 tx_dropped; /* no space available in linux */ 573 __u32 multicast; /* multicast packets received */ 574 __u32 collisions; 575 576 /* detailed rx_errors: */ 577 __u32 rx_length_errors; 578 __u32 rx_over_errors; /* receiver ring buff overflow */ 579 __u32 rx_crc_errors; /* recved pkt with crc error */ 580 __u32 rx_frame_errors; /* recv'd frame alignment error */ 581 __u32 rx_fifo_errors; /* recv'r fifo overrun */ 582 __u32 rx_missed_errors; /* receiver missed packet */ 583 584 /* detailed tx_errors */ 585 __u32 tx_aborted_errors; 586 __u32 tx_carrier_errors; 587 __u32 tx_fifo_errors; 588 __u32 tx_heartbeat_errors; 589 __u32 tx_window_errors; 590 591 /* for cslip etc */ 592 __u32 rx_compressed; 593 __u32 tx_compressed; 594}; 595 596/* The struct should be in sync with struct ifmap */ 597struct rtnl_link_ifmap 598{ 599 __u64 mem_start; 600 __u64 mem_end; 601 __u64 base_addr; 602 __u16 irq; 603 __u8 dma; 604 __u8 port; 605}; 606 607enum 608{ 609 IFLA_UNSPEC, 610 IFLA_ADDRESS, 611 IFLA_BROADCAST, 612 IFLA_IFNAME, 613 IFLA_MTU, 614 IFLA_LINK, 615 IFLA_QDISC, 616 IFLA_STATS, 617 IFLA_COST, 618#define IFLA_COST IFLA_COST 619 IFLA_PRIORITY, 620#define IFLA_PRIORITY IFLA_PRIORITY 621 IFLA_MASTER, 622#define IFLA_MASTER IFLA_MASTER 623 IFLA_WIRELESS, /* Wireless Extension event - see wireless.h */ 624#define IFLA_WIRELESS IFLA_WIRELESS 625 IFLA_PROTINFO, /* Protocol specific information for a link */ 626#define IFLA_PROTINFO IFLA_PROTINFO 627 IFLA_TXQLEN, 628#define IFLA_TXQLEN IFLA_TXQLEN 629 IFLA_MAP, 630#define IFLA_MAP IFLA_MAP 631 IFLA_WEIGHT, 632#define IFLA_WEIGHT IFLA_WEIGHT 633 __IFLA_MAX 634}; 635 636 637#define IFLA_MAX (__IFLA_MAX - 1) 638 639#define IFLA_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ifinfomsg)))) 640#define IFLA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct ifinfomsg)) 641 642/* ifi_flags. 643 644 IFF_* flags. 645 646 The only change is: 647 IFF_LOOPBACK, IFF_BROADCAST and IFF_POINTOPOINT are 648 more not changeable by user. They describe link media 649 characteristics and set by device driver. 650 651 Comments: 652 - Combination IFF_BROADCAST|IFF_POINTOPOINT is invalid 653 - If neither of these three flags are set; 654 the interface is NBMA. 655 656 - IFF_MULTICAST does not mean anything special: 657 multicasts can be used on all not-NBMA links. 658 IFF_MULTICAST means that this media uses special encapsulation 659 for multicast frames. Apparently, all IFF_POINTOPOINT and 660 IFF_BROADCAST devices are able to use multicasts too. 661 */ 662 663/* IFLA_LINK. 664 For usual devices it is equal ifi_index. 665 If it is a "virtual interface" (f.e. tunnel), ifi_link 666 can point to real physical interface (f.e. for bandwidth calculations), 667 or maybe 0, what means, that real media is unknown (usual 668 for IPIP tunnels, when route to endpoint is allowed to change) 669 */ 670 671/* Subtype attributes for IFLA_PROTINFO */ 672enum 673{ 674 IFLA_INET6_UNSPEC, 675 IFLA_INET6_FLAGS, /* link flags */ 676 IFLA_INET6_CONF, /* sysctl parameters */ 677 IFLA_INET6_STATS, /* statistics */ 678 IFLA_INET6_MCAST, /* MC things. What of them? */ 679 IFLA_INET6_CACHEINFO, /* time values and max reasm size */ 680 __IFLA_INET6_MAX 681}; 682 683#define IFLA_INET6_MAX (__IFLA_INET6_MAX - 1) 684 685struct ifla_cacheinfo 686{ 687 __u32 max_reasm_len; 688 __u32 tstamp; /* ipv6InterfaceTable updated timestamp */ 689 __u32 reachable_time; 690 __u32 retrans_time; 691}; 692 693/***************************************************************** 694 * Traffic control messages. 695 ****/ 696 697struct tcmsg 698{ 699 unsigned char tcm_family; 700 unsigned char tcm__pad1; 701 unsigned short tcm__pad2; 702 int tcm_ifindex; 703 __u32 tcm_handle; 704 __u32 tcm_parent; 705 __u32 tcm_info; 706}; 707 708enum 709{ 710 TCA_UNSPEC, 711 TCA_KIND, 712 TCA_OPTIONS, 713 TCA_STATS, 714 TCA_XSTATS, 715 TCA_RATE, 716 TCA_FCNT, 717 TCA_STATS2, 718 __TCA_MAX 719}; 720 721#define TCA_MAX (__TCA_MAX - 1) 722 723#define TCA_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct tcmsg)))) 724#define TCA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcmsg)) 725 726 727/* RTnetlink multicast groups */ 728 729#define RTMGRP_LINK 1 730#define RTMGRP_NOTIFY 2 731#define RTMGRP_NEIGH 4 732#define RTMGRP_TC 8 733 734#define RTMGRP_IPV4_IFADDR 0x10 735#define RTMGRP_IPV4_MROUTE 0x20 736#define RTMGRP_IPV4_ROUTE 0x40 737 738#define RTMGRP_IPV6_IFADDR 0x100 739#define RTMGRP_IPV6_MROUTE 0x200 740#define RTMGRP_IPV6_ROUTE 0x400 741#define RTMGRP_IPV6_IFINFO 0x800 742 743#define RTMGRP_DECnet_IFADDR 0x1000 744#define RTMGRP_DECnet_ROUTE 0x4000 745 746#define RTMGRP_IPV6_PREFIX 0x20000 747 748/* TC action piece */ 749struct tcamsg 750{ 751 unsigned char tca_family; 752 unsigned char tca__pad1; 753 unsigned short tca__pad2; 754}; 755#define TA_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct tcamsg)))) 756#define TA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcamsg)) 757#define TCA_ACT_TAB 1 /* attr type must be >=1 */ 758#define TCAA_MAX 1 759 760/* End of information exported to user level */ 761 762 763 764#endif /* __LINUX_RTNETLINK_H */ 765