1/*- 2 * Copyright (c) 1982, 1986, 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 4. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)if.h 8.1 (Berkeley) 6/10/93 30 * $FreeBSD: stable/11/sys/net/if.h 368645 2020-12-14 22:03:13Z brooks $ 31 */ 32 33#ifndef _NET_IF_H_ 34#define _NET_IF_H_ 35 36#include <sys/cdefs.h> 37 38#if __BSD_VISIBLE 39/* 40 * <net/if.h> does not depend on <sys/time.h> on most other systems. This 41 * helps userland compatibility. (struct timeval ifi_lastchange) 42 * The same holds for <sys/socket.h>. (struct sockaddr ifru_addr) 43 */ 44#ifndef _KERNEL 45#include <sys/time.h> 46#include <sys/socket.h> 47#endif 48#endif 49 50/* 51 * Length of interface external name, including terminating '\0'. 52 * Note: this is the same size as a generic device's external name. 53 */ 54#define IF_NAMESIZE 16 55#if __BSD_VISIBLE 56#define IFNAMSIZ IF_NAMESIZE 57#define IF_MAXUNIT 0x7fff /* historical value */ 58#endif 59#if __BSD_VISIBLE 60 61/* 62 * Structure used to query names of interface cloners. 63 */ 64 65struct if_clonereq { 66 int ifcr_total; /* total cloners (out) */ 67 int ifcr_count; /* room for this many in user buffer */ 68 char *ifcr_buffer; /* buffer for cloner names */ 69}; 70 71/* 72 * Structure describing information about an interface 73 * which may be of interest to management entities. 74 */ 75struct if_data { 76 /* generic interface information */ 77 uint8_t ifi_type; /* ethernet, tokenring, etc */ 78 uint8_t ifi_physical; /* e.g., AUI, Thinnet, 10base-T, etc */ 79 uint8_t ifi_addrlen; /* media address length */ 80 uint8_t ifi_hdrlen; /* media header length */ 81 uint8_t ifi_link_state; /* current link state */ 82 uint8_t ifi_vhid; /* carp vhid */ 83 uint16_t ifi_datalen; /* length of this data struct */ 84 uint32_t ifi_mtu; /* maximum transmission unit */ 85 uint32_t ifi_metric; /* routing metric (external only) */ 86 uint64_t ifi_baudrate; /* linespeed */ 87 /* volatile statistics */ 88 uint64_t ifi_ipackets; /* packets received on interface */ 89 uint64_t ifi_ierrors; /* input errors on interface */ 90 uint64_t ifi_opackets; /* packets sent on interface */ 91 uint64_t ifi_oerrors; /* output errors on interface */ 92 uint64_t ifi_collisions; /* collisions on csma interfaces */ 93 uint64_t ifi_ibytes; /* total number of octets received */ 94 uint64_t ifi_obytes; /* total number of octets sent */ 95 uint64_t ifi_imcasts; /* packets received via multicast */ 96 uint64_t ifi_omcasts; /* packets sent via multicast */ 97 uint64_t ifi_iqdrops; /* dropped on input */ 98 uint64_t ifi_oqdrops; /* dropped on output */ 99 uint64_t ifi_noproto; /* destined for unsupported protocol */ 100 uint64_t ifi_hwassist; /* HW offload capabilities, see IFCAP */ 101 102 /* Unions are here to make sizes MI. */ 103 union { /* uptime at attach or stat reset */ 104 time_t tt; 105 uint64_t ph; 106 } __ifi_epoch; 107#define ifi_epoch __ifi_epoch.tt 108 union { /* time of last administrative change */ 109 struct timeval tv; 110 struct { 111 uint64_t ph1; 112 uint64_t ph2; 113 } ph; 114 } __ifi_lastchange; 115#define ifi_lastchange __ifi_lastchange.tv 116}; 117 118/*- 119 * Interface flags are of two types: network stack owned flags, and driver 120 * owned flags. Historically, these values were stored in the same ifnet 121 * flags field, but with the advent of fine-grained locking, they have been 122 * broken out such that the network stack is responsible for synchronizing 123 * the stack-owned fields, and the device driver the device-owned fields. 124 * Both halves can perform lockless reads of the other half's field, subject 125 * to accepting the involved races. 126 * 127 * Both sets of flags come from the same number space, and should not be 128 * permitted to conflict, as they are exposed to user space via a single 129 * field. 130 * 131 * The following symbols identify read and write requirements for fields: 132 * 133 * (i) if_flags field set by device driver before attach, read-only there 134 * after. 135 * (n) if_flags field written only by the network stack, read by either the 136 * stack or driver. 137 * (d) if_drv_flags field written only by the device driver, read by either 138 * the stack or driver. 139 */ 140#define IFF_UP 0x1 /* (n) interface is up */ 141#define IFF_BROADCAST 0x2 /* (i) broadcast address valid */ 142#define IFF_DEBUG 0x4 /* (n) turn on debugging */ 143#define IFF_LOOPBACK 0x8 /* (i) is a loopback net */ 144#define IFF_POINTOPOINT 0x10 /* (i) is a point-to-point link */ 145/* 0x20 was IFF_SMART */ 146#define IFF_DRV_RUNNING 0x40 /* (d) resources allocated */ 147#define IFF_NOARP 0x80 /* (n) no address resolution protocol */ 148#define IFF_PROMISC 0x100 /* (n) receive all packets */ 149#define IFF_ALLMULTI 0x200 /* (n) receive all multicast packets */ 150#define IFF_DRV_OACTIVE 0x400 /* (d) tx hardware queue is full */ 151#define IFF_SIMPLEX 0x800 /* (i) can't hear own transmissions */ 152#define IFF_LINK0 0x1000 /* per link layer defined bit */ 153#define IFF_LINK1 0x2000 /* per link layer defined bit */ 154#define IFF_LINK2 0x4000 /* per link layer defined bit */ 155#define IFF_ALTPHYS IFF_LINK2 /* use alternate physical connection */ 156#define IFF_MULTICAST 0x8000 /* (i) supports multicast */ 157#define IFF_CANTCONFIG 0x10000 /* (i) unconfigurable using ioctl(2) */ 158#define IFF_PPROMISC 0x20000 /* (n) user-requested promisc mode */ 159#define IFF_MONITOR 0x40000 /* (n) user-requested monitor mode */ 160#define IFF_STATICARP 0x80000 /* (n) static ARP */ 161#define IFF_DYING 0x200000 /* (n) interface is winding down */ 162#define IFF_RENAMING 0x400000 /* (n) interface is being renamed */ 163/* 164 * Old names for driver flags so that user space tools can continue to use 165 * the old (portable) names. 166 */ 167#ifndef _KERNEL 168#define IFF_RUNNING IFF_DRV_RUNNING 169#define IFF_OACTIVE IFF_DRV_OACTIVE 170#endif 171 172/* flags set internally only: */ 173#define IFF_CANTCHANGE \ 174 (IFF_BROADCAST|IFF_POINTOPOINT|IFF_DRV_RUNNING|IFF_DRV_OACTIVE|\ 175 IFF_SIMPLEX|IFF_MULTICAST|IFF_ALLMULTI|IFF_PROMISC|\ 176 IFF_DYING|IFF_CANTCONFIG) 177 178/* 179 * Values for if_link_state. 180 */ 181#define LINK_STATE_UNKNOWN 0 /* link invalid/unknown */ 182#define LINK_STATE_DOWN 1 /* link is down */ 183#define LINK_STATE_UP 2 /* link is up */ 184 185/* 186 * Some convenience macros used for setting ifi_baudrate. 187 * XXX 1000 vs. 1024? --thorpej@netbsd.org 188 */ 189#define IF_Kbps(x) ((uintmax_t)(x) * 1000) /* kilobits/sec. */ 190#define IF_Mbps(x) (IF_Kbps((x) * 1000)) /* megabits/sec. */ 191#define IF_Gbps(x) (IF_Mbps((x) * 1000)) /* gigabits/sec. */ 192 193/* 194 * Capabilities that interfaces can advertise. 195 * 196 * struct ifnet.if_capabilities 197 * contains the optional features & capabilities a particular interface 198 * supports (not only the driver but also the detected hw revision). 199 * Capabilities are defined by IFCAP_* below. 200 * struct ifnet.if_capenable 201 * contains the enabled (either by default or through ifconfig) optional 202 * features & capabilities on this interface. 203 * Capabilities are defined by IFCAP_* below. 204 * struct if_data.ifi_hwassist in mbuf CSUM_ flag form, controlled by above 205 * contains the enabled optional feature & capabilites that can be used 206 * individually per packet and are specified in the mbuf pkthdr.csum_flags 207 * field. IFCAP_* and CSUM_* do not match one to one and CSUM_* may be 208 * more detailed or differentiated than IFCAP_*. 209 * Hwassist features are defined CSUM_* in sys/mbuf.h 210 * 211 * Capabilities that cannot be arbitrarily changed with ifconfig/ioctl 212 * are listed in IFCAP_CANTCHANGE, similar to IFF_CANTCHANGE. 213 * This is not strictly necessary because the common code never 214 * changes capabilities, and it is left to the individual driver 215 * to do the right thing. However, having the filter here 216 * avoids replication of the same code in all individual drivers. 217 */ 218#define IFCAP_RXCSUM 0x00001 /* can offload checksum on RX */ 219#define IFCAP_TXCSUM 0x00002 /* can offload checksum on TX */ 220#define IFCAP_NETCONS 0x00004 /* can be a network console */ 221#define IFCAP_VLAN_MTU 0x00008 /* VLAN-compatible MTU */ 222#define IFCAP_VLAN_HWTAGGING 0x00010 /* hardware VLAN tag support */ 223#define IFCAP_JUMBO_MTU 0x00020 /* 9000 byte MTU supported */ 224#define IFCAP_POLLING 0x00040 /* driver supports polling */ 225#define IFCAP_VLAN_HWCSUM 0x00080 /* can do IFCAP_HWCSUM on VLANs */ 226#define IFCAP_TSO4 0x00100 /* can do TCP Segmentation Offload */ 227#define IFCAP_TSO6 0x00200 /* can do TCP6 Segmentation Offload */ 228#define IFCAP_LRO 0x00400 /* can do Large Receive Offload */ 229#define IFCAP_WOL_UCAST 0x00800 /* wake on any unicast frame */ 230#define IFCAP_WOL_MCAST 0x01000 /* wake on any multicast frame */ 231#define IFCAP_WOL_MAGIC 0x02000 /* wake on any Magic Packet */ 232#define IFCAP_TOE4 0x04000 /* interface can offload TCP */ 233#define IFCAP_TOE6 0x08000 /* interface can offload TCP6 */ 234#define IFCAP_VLAN_HWFILTER 0x10000 /* interface hw can filter vlan tag */ 235#define IFCAP_POLLING_NOCOUNT 0x20000 /* polling ticks cannot be fragmented */ 236#define IFCAP_VLAN_HWTSO 0x40000 /* can do IFCAP_TSO on VLANs */ 237#define IFCAP_LINKSTATE 0x80000 /* the runtime link state is dynamic */ 238#define IFCAP_NETMAP 0x100000 /* netmap mode supported/enabled */ 239#define IFCAP_RXCSUM_IPV6 0x200000 /* can offload checksum on IPv6 RX */ 240#define IFCAP_TXCSUM_IPV6 0x400000 /* can offload checksum on IPv6 TX */ 241#define IFCAP_HWSTATS 0x800000 /* manages counters internally */ 242 243#define IFCAP_HWCSUM_IPV6 (IFCAP_RXCSUM_IPV6 | IFCAP_TXCSUM_IPV6) 244 245#define IFCAP_HWCSUM (IFCAP_RXCSUM | IFCAP_TXCSUM) 246#define IFCAP_TSO (IFCAP_TSO4 | IFCAP_TSO6) 247#define IFCAP_WOL (IFCAP_WOL_UCAST | IFCAP_WOL_MCAST | IFCAP_WOL_MAGIC) 248#define IFCAP_TOE (IFCAP_TOE4 | IFCAP_TOE6) 249 250#define IFCAP_CANTCHANGE (IFCAP_NETMAP) 251 252#define IFQ_MAXLEN 50 253#define IFNET_SLOWHZ 1 /* granularity is 1 second */ 254 255/* 256 * Message format for use in obtaining information about interfaces 257 * from getkerninfo and the routing socket 258 * For the new, extensible interface see struct if_msghdrl below. 259 */ 260struct if_msghdr { 261 u_short ifm_msglen; /* to skip over non-understood messages */ 262 u_char ifm_version; /* future binary compatibility */ 263 u_char ifm_type; /* message type */ 264 int ifm_addrs; /* like rtm_addrs */ 265 int ifm_flags; /* value of if_flags */ 266 u_short ifm_index; /* index for associated ifp */ 267 u_short _ifm_spare1; 268 struct if_data ifm_data;/* statistics and other data about if */ 269}; 270 271/* 272 * The 'l' version shall be used by new interfaces, like NET_RT_IFLISTL. It is 273 * extensible after ifm_data_off or within ifm_data. Both the if_msghdr and 274 * if_data now have a member field detailing the struct length in addition to 275 * the routing message length. Macros are provided to find the start of 276 * ifm_data and the start of the socket address strucutres immediately following 277 * struct if_msghdrl given a pointer to struct if_msghdrl. 278 */ 279#define IF_MSGHDRL_IFM_DATA(_l) \ 280 (struct if_data *)((char *)(_l) + (_l)->ifm_data_off) 281#define IF_MSGHDRL_RTA(_l) \ 282 (void *)((uintptr_t)(_l) + (_l)->ifm_len) 283struct if_msghdrl { 284 u_short ifm_msglen; /* to skip over non-understood messages */ 285 u_char ifm_version; /* future binary compatibility */ 286 u_char ifm_type; /* message type */ 287 int ifm_addrs; /* like rtm_addrs */ 288 int ifm_flags; /* value of if_flags */ 289 u_short ifm_index; /* index for associated ifp */ 290 u_short _ifm_spare1; /* spare space to grow if_index, see if_var.h */ 291 u_short ifm_len; /* length of if_msghdrl incl. if_data */ 292 u_short ifm_data_off; /* offset of if_data from beginning */ 293 int _ifm_spare2; 294 struct if_data ifm_data;/* statistics and other data about if */ 295}; 296 297/* 298 * Message format for use in obtaining information about interface addresses 299 * from getkerninfo and the routing socket 300 * For the new, extensible interface see struct ifa_msghdrl below. 301 */ 302struct ifa_msghdr { 303 u_short ifam_msglen; /* to skip over non-understood messages */ 304 u_char ifam_version; /* future binary compatibility */ 305 u_char ifam_type; /* message type */ 306 int ifam_addrs; /* like rtm_addrs */ 307 int ifam_flags; /* value of ifa_flags */ 308 u_short ifam_index; /* index for associated ifp */ 309 u_short _ifam_spare1; 310 int ifam_metric; /* value of ifa_ifp->if_metric */ 311}; 312 313/* 314 * The 'l' version shall be used by new interfaces, like NET_RT_IFLISTL. It is 315 * extensible after ifam_metric or within ifam_data. Both the ifa_msghdrl and 316 * if_data now have a member field detailing the struct length in addition to 317 * the routing message length. Macros are provided to find the start of 318 * ifm_data and the start of the socket address strucutres immediately following 319 * struct ifa_msghdrl given a pointer to struct ifa_msghdrl. 320 */ 321#define IFA_MSGHDRL_IFAM_DATA(_l) \ 322 (struct if_data *)((char *)(_l) + (_l)->ifam_data_off) 323#define IFA_MSGHDRL_RTA(_l) \ 324 (void *)((uintptr_t)(_l) + (_l)->ifam_len) 325struct ifa_msghdrl { 326 u_short ifam_msglen; /* to skip over non-understood messages */ 327 u_char ifam_version; /* future binary compatibility */ 328 u_char ifam_type; /* message type */ 329 int ifam_addrs; /* like rtm_addrs */ 330 int ifam_flags; /* value of ifa_flags */ 331 u_short ifam_index; /* index for associated ifp */ 332 u_short _ifam_spare1; /* spare space to grow if_index, see if_var.h */ 333 u_short ifam_len; /* length of ifa_msghdrl incl. if_data */ 334 u_short ifam_data_off; /* offset of if_data from beginning */ 335 int ifam_metric; /* value of ifa_ifp->if_metric */ 336 struct if_data ifam_data;/* statistics and other data about if or 337 * address */ 338}; 339 340/* 341 * Message format for use in obtaining information about multicast addresses 342 * from the routing socket 343 */ 344struct ifma_msghdr { 345 u_short ifmam_msglen; /* to skip over non-understood messages */ 346 u_char ifmam_version; /* future binary compatibility */ 347 u_char ifmam_type; /* message type */ 348 int ifmam_addrs; /* like rtm_addrs */ 349 int ifmam_flags; /* value of ifa_flags */ 350 u_short ifmam_index; /* index for associated ifp */ 351 u_short _ifmam_spare1; 352}; 353 354/* 355 * Message format announcing the arrival or departure of a network interface. 356 */ 357struct if_announcemsghdr { 358 u_short ifan_msglen; /* to skip over non-understood messages */ 359 u_char ifan_version; /* future binary compatibility */ 360 u_char ifan_type; /* message type */ 361 u_short ifan_index; /* index for associated ifp */ 362 char ifan_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 363 u_short ifan_what; /* what type of announcement */ 364}; 365 366#define IFAN_ARRIVAL 0 /* interface arrival */ 367#define IFAN_DEPARTURE 1 /* interface departure */ 368 369/* 370 * Buffer with length to be used in SIOCGIFDESCR/SIOCSIFDESCR requests 371 */ 372struct ifreq_buffer { 373 size_t length; 374 void *buffer; 375}; 376 377/* 378 * Interface request structure used for socket 379 * ioctl's. All interface ioctl's must have parameter 380 * definitions which begin with ifr_name. The 381 * remainder may be interface specific. 382 */ 383struct ifreq { 384 char ifr_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 385 union { 386 struct sockaddr ifru_addr; 387 struct sockaddr ifru_dstaddr; 388 struct sockaddr ifru_broadaddr; 389 struct ifreq_buffer ifru_buffer; 390 short ifru_flags[2]; 391 short ifru_index; 392 int ifru_jid; 393 int ifru_metric; 394 int ifru_mtu; 395 int ifru_phys; 396 int ifru_media; 397 caddr_t ifru_data; 398 int ifru_cap[2]; 399 u_int ifru_fib; 400 u_char ifru_vlan_pcp; 401 } ifr_ifru; 402#define ifr_addr ifr_ifru.ifru_addr /* address */ 403#define ifr_dstaddr ifr_ifru.ifru_dstaddr /* other end of p-to-p link */ 404#define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */ 405#ifndef _KERNEL 406#define ifr_buffer ifr_ifru.ifru_buffer /* user supplied buffer with its length */ 407#endif 408#define ifr_flags ifr_ifru.ifru_flags[0] /* flags (low 16 bits) */ 409#define ifr_flagshigh ifr_ifru.ifru_flags[1] /* flags (high 16 bits) */ 410#define ifr_jid ifr_ifru.ifru_jid /* jail/vnet */ 411#define ifr_metric ifr_ifru.ifru_metric /* metric */ 412#define ifr_mtu ifr_ifru.ifru_mtu /* mtu */ 413#define ifr_phys ifr_ifru.ifru_phys /* physical wire */ 414#define ifr_media ifr_ifru.ifru_media /* physical media */ 415#ifndef _KERNEL 416#define ifr_data ifr_ifru.ifru_data /* for use by interface */ 417#endif 418#define ifr_reqcap ifr_ifru.ifru_cap[0] /* requested capabilities */ 419#define ifr_curcap ifr_ifru.ifru_cap[1] /* current capabilities */ 420#define ifr_index ifr_ifru.ifru_index /* interface index */ 421#define ifr_fib ifr_ifru.ifru_fib /* interface fib */ 422#define ifr_vlan_pcp ifr_ifru.ifru_vlan_pcp /* VLAN priority */ 423#define ifr_lan_pcp ifr_ifru.ifru_vlan_pcp /* VLAN priority */ 424}; 425 426#define _SIZEOF_ADDR_IFREQ(ifr) \ 427 ((ifr).ifr_addr.sa_len > sizeof(struct sockaddr) ? \ 428 (sizeof(struct ifreq) - sizeof(struct sockaddr) + \ 429 (ifr).ifr_addr.sa_len) : sizeof(struct ifreq)) 430 431struct ifaliasreq { 432 char ifra_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 433 struct sockaddr ifra_addr; 434 struct sockaddr ifra_broadaddr; 435 struct sockaddr ifra_mask; 436 int ifra_vhid; 437}; 438 439/* 9.x compat */ 440struct oifaliasreq { 441 char ifra_name[IFNAMSIZ]; 442 struct sockaddr ifra_addr; 443 struct sockaddr ifra_broadaddr; 444 struct sockaddr ifra_mask; 445}; 446 447struct ifmediareq { 448 char ifm_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 449 int ifm_current; /* current media options */ 450 int ifm_mask; /* don't care mask */ 451 int ifm_status; /* media status */ 452 int ifm_active; /* active options */ 453 int ifm_count; /* # entries in ifm_ulist array */ 454 int *ifm_ulist; /* media words */ 455}; 456 457struct ifdrv { 458 char ifd_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 459 unsigned long ifd_cmd; 460 size_t ifd_len; 461 void *ifd_data; 462}; 463 464/* 465 * Structure used to retrieve aux status data from interfaces. 466 * Kernel suppliers to this interface should respect the formatting 467 * needed by ifconfig(8): each line starts with a TAB and ends with 468 * a newline. The canonical example to copy and paste is in if_tun.c. 469 */ 470 471#define IFSTATMAX 800 /* 10 lines of text */ 472struct ifstat { 473 char ifs_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 474 char ascii[IFSTATMAX + 1]; 475}; 476 477/* 478 * Structure used in SIOCGIFCONF request. 479 * Used to retrieve interface configuration 480 * for machine (useful for programs which 481 * must know all networks accessible). 482 */ 483struct ifconf { 484 int ifc_len; /* size of associated buffer */ 485 union { 486 caddr_t ifcu_buf; 487 struct ifreq *ifcu_req; 488 } ifc_ifcu; 489#define ifc_buf ifc_ifcu.ifcu_buf /* buffer address */ 490#define ifc_req ifc_ifcu.ifcu_req /* array of structures returned */ 491}; 492 493/* 494 * interface groups 495 */ 496 497#define IFG_ALL "all" /* group contains all interfaces */ 498/* XXX: will we implement this? */ 499#define IFG_EGRESS "egress" /* if(s) default route(s) point to */ 500 501struct ifg_req { 502 union { 503 char ifgrqu_group[IFNAMSIZ]; 504 char ifgrqu_member[IFNAMSIZ]; 505 } ifgrq_ifgrqu; 506#define ifgrq_group ifgrq_ifgrqu.ifgrqu_group 507#define ifgrq_member ifgrq_ifgrqu.ifgrqu_member 508}; 509 510/* 511 * Used to lookup groups for an interface 512 */ 513struct ifgroupreq { 514 char ifgr_name[IFNAMSIZ]; 515 u_int ifgr_len; 516 union { 517 char ifgru_group[IFNAMSIZ]; 518 struct ifg_req *ifgru_groups; 519 } ifgr_ifgru; 520#ifndef _KERNEL 521#define ifgr_group ifgr_ifgru.ifgru_group 522#define ifgr_groups ifgr_ifgru.ifgru_groups 523#endif 524}; 525 526/* 527 * Structure used to request i2c data 528 * from interface transceivers. 529 */ 530struct ifi2creq { 531 uint8_t dev_addr; /* i2c address (0xA0, 0xA2) */ 532 uint8_t offset; /* read offset */ 533 uint8_t len; /* read length */ 534 uint8_t spare0; 535 uint32_t spare1; 536 uint8_t data[8]; /* read buffer */ 537}; 538 539/* 540 * RSS hash. 541 */ 542 543#define RSS_FUNC_NONE 0 /* RSS disabled */ 544#define RSS_FUNC_PRIVATE 1 /* non-standard */ 545#define RSS_FUNC_TOEPLITZ 2 546 547#define RSS_TYPE_IPV4 0x00000001 548#define RSS_TYPE_TCP_IPV4 0x00000002 549#define RSS_TYPE_IPV6 0x00000004 550#define RSS_TYPE_IPV6_EX 0x00000008 551#define RSS_TYPE_TCP_IPV6 0x00000010 552#define RSS_TYPE_TCP_IPV6_EX 0x00000020 553#define RSS_TYPE_UDP_IPV4 0x00000040 554#define RSS_TYPE_UDP_IPV6 0x00000080 555#define RSS_TYPE_UDP_IPV6_EX 0x00000100 556 557#define RSS_KEYLEN 128 558 559struct ifrsskey { 560 char ifrk_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 561 uint8_t ifrk_func; /* RSS_FUNC_ */ 562 uint8_t ifrk_spare0; 563 uint16_t ifrk_keylen; 564 uint8_t ifrk_key[RSS_KEYLEN]; 565}; 566 567struct ifrsshash { 568 char ifrh_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 569 uint8_t ifrh_func; /* RSS_FUNC_ */ 570 uint8_t ifrh_spare0; 571 uint16_t ifrh_spare1; 572 uint32_t ifrh_types; /* RSS_TYPE_ */ 573}; 574 575#define IFNET_PCP_NONE 0xff /* PCP disabled */ 576 577#define IFDR_MSG_SIZE 64 578#define IFDR_REASON_MSG 1 579#define IFDR_REASON_VENDOR 2 580struct ifdownreason { 581 char ifdr_name[IFNAMSIZ]; 582 uint32_t ifdr_reason; 583 uint32_t ifdr_vendor; 584 char ifdr_msg[IFDR_MSG_SIZE]; 585}; 586 587#endif /* __BSD_VISIBLE */ 588 589#ifdef _KERNEL 590#ifdef MALLOC_DECLARE 591MALLOC_DECLARE(M_IFADDR); 592MALLOC_DECLARE(M_IFMADDR); 593#endif 594#endif 595 596#ifndef _KERNEL 597struct if_nameindex { 598 unsigned int if_index; /* 1, 2, ... */ 599 char *if_name; /* null terminated name: "le0", ... */ 600}; 601 602__BEGIN_DECLS 603void if_freenameindex(struct if_nameindex *); 604char *if_indextoname(unsigned int, char *); 605struct if_nameindex *if_nameindex(void); 606unsigned int if_nametoindex(const char *); 607__END_DECLS 608#endif 609#endif /* !_NET_IF_H_ */ 610