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 * $FreeBSD$ 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 65 struct 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 */ 75 struct 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 differenciated 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 */ 260 struct 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 struct if_data ifm_data;/* statistics and other data about if */ 268 }; 269 270 /* 271 * The 'l' version shall be used by new interfaces, like NET_RT_IFLISTL. It is 272 * extensible after ifm_data_off or within ifm_data. Both the if_msghdr and 273 * if_data now have a member field detailing the struct length in addition to 274 * the routing message length. Macros are provided to find the start of 275 * ifm_data and the start of the socket address strucutres immediately following 276 * struct if_msghdrl given a pointer to struct if_msghdrl. 277 */ 278 #define IF_MSGHDRL_IFM_DATA(_l) \ 279 (struct if_data *)((char *)(_l) + (_l)->ifm_data_off) 280 #define IF_MSGHDRL_RTA(_l) \ 281 (void *)((uintptr_t)(_l) + (_l)->ifm_len) 282 struct if_msghdrl { 283 u_short ifm_msglen; /* to skip over non-understood messages */ 284 u_char ifm_version; /* future binary compatibility */ 285 u_char ifm_type; /* message type */ 286 int ifm_addrs; /* like rtm_addrs */ 287 int ifm_flags; /* value of if_flags */ 288 u_short ifm_index; /* index for associated ifp */ 289 u_short _ifm_spare1; /* spare space to grow if_index, see if_var.h */ 290 u_short ifm_len; /* length of if_msghdrl incl. if_data */ 291 u_short ifm_data_off; /* offset of if_data from beginning */ 292 struct if_data ifm_data;/* statistics and other data about if */ 293 }; 294 295 /* 296 * Message format for use in obtaining information about interface addresses 297 * from getkerninfo and the routing socket 298 * For the new, extensible interface see struct ifa_msghdrl below. 299 */ 300 struct ifa_msghdr { 301 u_short ifam_msglen; /* to skip over non-understood messages */ 302 u_char ifam_version; /* future binary compatibility */ 303 u_char ifam_type; /* message type */ 304 int ifam_addrs; /* like rtm_addrs */ 305 int ifam_flags; /* value of ifa_flags */ 306 u_short ifam_index; /* index for associated ifp */ 307 int ifam_metric; /* value of ifa_ifp->if_metric */ 308 }; 309 310 /* 311 * The 'l' version shall be used by new interfaces, like NET_RT_IFLISTL. It is 312 * extensible after ifam_metric or within ifam_data. Both the ifa_msghdrl and 313 * if_data now have a member field detailing the struct length in addition to 314 * the routing message length. Macros are provided to find the start of 315 * ifm_data and the start of the socket address strucutres immediately following 316 * struct ifa_msghdrl given a pointer to struct ifa_msghdrl. 317 */ 318 #define IFA_MSGHDRL_IFAM_DATA(_l) \ 319 (struct if_data *)((char *)(_l) + (_l)->ifam_data_off) 320 #define IFA_MSGHDRL_RTA(_l) \ 321 (void *)((uintptr_t)(_l) + (_l)->ifam_len) 322 struct ifa_msghdrl { 323 u_short ifam_msglen; /* to skip over non-understood messages */ 324 u_char ifam_version; /* future binary compatibility */ 325 u_char ifam_type; /* message type */ 326 int ifam_addrs; /* like rtm_addrs */ 327 int ifam_flags; /* value of ifa_flags */ 328 u_short ifam_index; /* index for associated ifp */ 329 u_short _ifam_spare1; /* spare space to grow if_index, see if_var.h */ 330 u_short ifam_len; /* length of ifa_msghdrl incl. if_data */ 331 u_short ifam_data_off; /* offset of if_data from beginning */ 332 int ifam_metric; /* value of ifa_ifp->if_metric */ 333 struct if_data ifam_data;/* statistics and other data about if or 334 * address */ 335 }; 336 337 /* 338 * Message format for use in obtaining information about multicast addresses 339 * from the routing socket 340 */ 341 struct ifma_msghdr { 342 u_short ifmam_msglen; /* to skip over non-understood messages */ 343 u_char ifmam_version; /* future binary compatibility */ 344 u_char ifmam_type; /* message type */ 345 int ifmam_addrs; /* like rtm_addrs */ 346 int ifmam_flags; /* value of ifa_flags */ 347 u_short ifmam_index; /* index for associated ifp */ 348 }; 349 350 /* 351 * Message format announcing the arrival or departure of a network interface. 352 */ 353 struct if_announcemsghdr { 354 u_short ifan_msglen; /* to skip over non-understood messages */ 355 u_char ifan_version; /* future binary compatibility */ 356 u_char ifan_type; /* message type */ 357 u_short ifan_index; /* index for associated ifp */ 358 char ifan_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 359 u_short ifan_what; /* what type of announcement */ 360 }; 361 362 #define IFAN_ARRIVAL 0 /* interface arrival */ 363 #define IFAN_DEPARTURE 1 /* interface departure */ 364 365 /* 366 * Buffer with length to be used in SIOCGIFDESCR/SIOCSIFDESCR requests 367 */ 368 struct ifreq_buffer { 369 size_t length; 370 void *buffer; 371 }; 372 373 /* 374 * Interface request structure used for socket 375 * ioctl's. All interface ioctl's must have parameter 376 * definitions which begin with ifr_name. The 377 * remainder may be interface specific. 378 */ 379 struct ifreq { 380 char ifr_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 381 union { 382 struct sockaddr ifru_addr; 383 struct sockaddr ifru_dstaddr; 384 struct sockaddr ifru_broadaddr; 385 struct ifreq_buffer ifru_buffer; 386 short ifru_flags[2]; 387 short ifru_index; 388 int ifru_jid; 389 int ifru_metric; 390 int ifru_mtu; 391 int ifru_phys; 392 int ifru_media; 393 caddr_t ifru_data; 394 int ifru_cap[2]; 395 u_int ifru_fib; 396 u_char ifru_vlan_pcp; 397 } ifr_ifru; 398 #define ifr_addr ifr_ifru.ifru_addr /* address */ 399 #define ifr_dstaddr ifr_ifru.ifru_dstaddr /* other end of p-to-p link */ 400 #define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */ 401 #define ifr_buffer ifr_ifru.ifru_buffer /* user supplied buffer with its length */ 402 #define ifr_flags ifr_ifru.ifru_flags[0] /* flags (low 16 bits) */ 403 #define ifr_flagshigh ifr_ifru.ifru_flags[1] /* flags (high 16 bits) */ 404 #define ifr_jid ifr_ifru.ifru_jid /* jail/vnet */ 405 #define ifr_metric ifr_ifru.ifru_metric /* metric */ 406 #define ifr_mtu ifr_ifru.ifru_mtu /* mtu */ 407 #define ifr_phys ifr_ifru.ifru_phys /* physical wire */ 408 #define ifr_media ifr_ifru.ifru_media /* physical media */ 409 #define ifr_data ifr_ifru.ifru_data /* for use by interface */ 410 #define ifr_reqcap ifr_ifru.ifru_cap[0] /* requested capabilities */ 411 #define ifr_curcap ifr_ifru.ifru_cap[1] /* current capabilities */ 412 #define ifr_index ifr_ifru.ifru_index /* interface index */ 413 #define ifr_fib ifr_ifru.ifru_fib /* interface fib */ 414 #define ifr_vlan_pcp ifr_ifru.ifru_vlan_pcp /* VLAN priority */ 415 }; 416 417 #define _SIZEOF_ADDR_IFREQ(ifr) \ 418 ((ifr).ifr_addr.sa_len > sizeof(struct sockaddr) ? \ 419 (sizeof(struct ifreq) - sizeof(struct sockaddr) + \ 420 (ifr).ifr_addr.sa_len) : sizeof(struct ifreq)) 421 422 struct ifaliasreq { 423 char ifra_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 424 struct sockaddr ifra_addr; 425 struct sockaddr ifra_broadaddr; 426 struct sockaddr ifra_mask; 427 int ifra_vhid; 428 }; 429 430 /* 9.x compat */ 431 struct oifaliasreq { 432 char ifra_name[IFNAMSIZ]; 433 struct sockaddr ifra_addr; 434 struct sockaddr ifra_broadaddr; 435 struct sockaddr ifra_mask; 436 }; 437 438 struct ifmediareq { 439 char ifm_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 440 int ifm_current; /* current media options */ 441 int ifm_mask; /* don't care mask */ 442 int ifm_status; /* media status */ 443 int ifm_active; /* active options */ 444 int ifm_count; /* # entries in ifm_ulist array */ 445 int *ifm_ulist; /* media words */ 446 }; 447 448 struct ifdrv { 449 char ifd_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 450 unsigned long ifd_cmd; 451 size_t ifd_len; 452 void *ifd_data; 453 }; 454 455 /* 456 * Structure used to retrieve aux status data from interfaces. 457 * Kernel suppliers to this interface should respect the formatting 458 * needed by ifconfig(8): each line starts with a TAB and ends with 459 * a newline. The canonical example to copy and paste is in if_tun.c. 460 */ 461 462 #define IFSTATMAX 800 /* 10 lines of text */ 463 struct ifstat { 464 char ifs_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 465 char ascii[IFSTATMAX + 1]; 466 }; 467 468 /* 469 * Structure used in SIOCGIFCONF request. 470 * Used to retrieve interface configuration 471 * for machine (useful for programs which 472 * must know all networks accessible). 473 */ 474 struct ifconf { 475 int ifc_len; /* size of associated buffer */ 476 union { 477 caddr_t ifcu_buf; 478 struct ifreq *ifcu_req; 479 } ifc_ifcu; 480 #define ifc_buf ifc_ifcu.ifcu_buf /* buffer address */ 481 #define ifc_req ifc_ifcu.ifcu_req /* array of structures returned */ 482 }; 483 484 /* 485 * interface groups 486 */ 487 488 #define IFG_ALL "all" /* group contains all interfaces */ 489 /* XXX: will we implement this? */ 490 #define IFG_EGRESS "egress" /* if(s) default route(s) point to */ 491 492 struct ifg_req { 493 union { 494 char ifgrqu_group[IFNAMSIZ]; 495 char ifgrqu_member[IFNAMSIZ]; 496 } ifgrq_ifgrqu; 497 #define ifgrq_group ifgrq_ifgrqu.ifgrqu_group 498 #define ifgrq_member ifgrq_ifgrqu.ifgrqu_member 499 }; 500 501 /* 502 * Used to lookup groups for an interface 503 */ 504 struct ifgroupreq { 505 char ifgr_name[IFNAMSIZ]; 506 u_int ifgr_len; 507 union { 508 char ifgru_group[IFNAMSIZ]; 509 struct ifg_req *ifgru_groups; 510 } ifgr_ifgru; 511 #define ifgr_group ifgr_ifgru.ifgru_group 512 #define ifgr_groups ifgr_ifgru.ifgru_groups 513 }; 514 515 /* 516 * Structure used to request i2c data 517 * from interface transceivers. 518 */ 519 struct ifi2creq { 520 uint8_t dev_addr; /* i2c address (0xA0, 0xA2) */ 521 uint8_t offset; /* read offset */ 522 uint8_t len; /* read length */ 523 uint8_t spare0; 524 uint32_t spare1; 525 uint8_t data[8]; /* read buffer */ 526 }; 527 528 #endif /* __BSD_VISIBLE */ 529 530 #ifdef _KERNEL 531 #ifdef MALLOC_DECLARE 532 MALLOC_DECLARE(M_IFADDR); 533 MALLOC_DECLARE(M_IFMADDR); 534 #endif 535 #endif 536 537 #ifndef _KERNEL 538 struct if_nameindex { 539 unsigned int if_index; /* 1, 2, ... */ 540 char *if_name; /* null terminated name: "le0", ... */ 541 }; 542 543 __BEGIN_DECLS 544 void if_freenameindex(struct if_nameindex *); 545 char *if_indextoname(unsigned int, char *); 546 struct if_nameindex *if_nameindex(void); 547 unsigned int if_nametoindex(const char *); 548 __END_DECLS 549 #endif 550 #endif /* !_NET_IF_H_ */ 551