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/10/sys/net/if.h 324462 2017-10-10 02:35:04Z sephe $ 31 */ 32 33 #ifndef _NET_IF_H_ 34 #define _NET_IF_H_ 35 36 #include <sys/cdefs.h> 37 38 #ifdef _KERNEL 39 #include <sys/queue.h> 40 #endif 41 42 #if __BSD_VISIBLE 43 /* 44 * <net/if.h> does not depend on <sys/time.h> on most other systems. This 45 * helps userland compatibility. (struct timeval ifi_lastchange) 46 * The same holds for <sys/socket.h>. (struct sockaddr ifru_addr) 47 */ 48 #ifndef _KERNEL 49 #include <sys/time.h> 50 #include <sys/socket.h> 51 #endif 52 53 struct ifnet; 54 #endif 55 56 /* 57 * Length of interface external name, including terminating '\0'. 58 * Note: this is the same size as a generic device's external name. 59 */ 60 #define IF_NAMESIZE 16 61 #if __BSD_VISIBLE 62 #define IFNAMSIZ IF_NAMESIZE 63 #define IF_MAXUNIT 0x7fff /* historical value */ 64 #endif 65 #if __BSD_VISIBLE 66 67 /* 68 * Structure used to query names of interface cloners. 69 */ 70 71 struct if_clonereq { 72 int ifcr_total; /* total cloners (out) */ 73 int ifcr_count; /* room for this many in user buffer */ 74 char *ifcr_buffer; /* buffer for cloner names */ 75 }; 76 77 /* 78 * Structure describing information about an interface 79 * which may be of interest to management entities. 80 */ 81 struct if_data { 82 /* generic interface information */ 83 u_char ifi_type; /* ethernet, tokenring, etc */ 84 u_char ifi_physical; /* e.g., AUI, Thinnet, 10base-T, etc */ 85 u_char ifi_addrlen; /* media address length */ 86 u_char ifi_hdrlen; /* media header length */ 87 u_char ifi_link_state; /* current link state */ 88 u_char ifi_vhid; /* carp vhid */ 89 u_char ifi_baudrate_pf; /* baudrate power factor */ 90 u_char ifi_datalen; /* length of this data struct */ 91 u_long ifi_mtu; /* maximum transmission unit */ 92 u_long ifi_metric; /* routing metric (external only) */ 93 u_long ifi_baudrate; /* linespeed */ 94 /* volatile statistics */ 95 u_long ifi_ipackets; /* packets received on interface */ 96 u_long ifi_ierrors; /* input errors on interface */ 97 u_long ifi_opackets; /* packets sent on interface */ 98 u_long ifi_oerrors; /* output errors on interface */ 99 u_long ifi_collisions; /* collisions on csma interfaces */ 100 u_long ifi_ibytes; /* total number of octets received */ 101 u_long ifi_obytes; /* total number of octets sent */ 102 u_long ifi_imcasts; /* packets received via multicast */ 103 u_long ifi_omcasts; /* packets sent via multicast */ 104 u_long ifi_iqdrops; /* dropped on input, this interface */ 105 u_long ifi_noproto; /* destined for unsupported protocol */ 106 uint64_t ifi_hwassist; /* HW offload capabilities, see IFCAP */ 107 time_t ifi_epoch; /* uptime at attach or stat reset */ 108 struct timeval ifi_lastchange; /* time of last administrative change */ 109 #ifdef _IFI_OQDROPS 110 u_long ifi_oqdrops; /* dropped on output */ 111 #endif 112 }; 113 114 /*- 115 * Interface flags are of two types: network stack owned flags, and driver 116 * owned flags. Historically, these values were stored in the same ifnet 117 * flags field, but with the advent of fine-grained locking, they have been 118 * broken out such that the network stack is responsible for synchronizing 119 * the stack-owned fields, and the device driver the device-owned fields. 120 * Both halves can perform lockless reads of the other half's field, subject 121 * to accepting the involved races. 122 * 123 * Both sets of flags come from the same number space, and should not be 124 * permitted to conflict, as they are exposed to user space via a single 125 * field. 126 * 127 * The following symbols identify read and write requirements for fields: 128 * 129 * (i) if_flags field set by device driver before attach, read-only there 130 * after. 131 * (n) if_flags field written only by the network stack, read by either the 132 * stack or driver. 133 * (d) if_drv_flags field written only by the device driver, read by either 134 * the stack or driver. 135 */ 136 #define IFF_UP 0x1 /* (n) interface is up */ 137 #define IFF_BROADCAST 0x2 /* (i) broadcast address valid */ 138 #define IFF_DEBUG 0x4 /* (n) turn on debugging */ 139 #define IFF_LOOPBACK 0x8 /* (i) is a loopback net */ 140 #define IFF_POINTOPOINT 0x10 /* (i) is a point-to-point link */ 141 #define IFF_SMART 0x20 /* (i) interface manages own routes */ 142 #define IFF_DRV_RUNNING 0x40 /* (d) resources allocated */ 143 #define IFF_NOARP 0x80 /* (n) no address resolution protocol */ 144 #define IFF_PROMISC 0x100 /* (n) receive all packets */ 145 #define IFF_ALLMULTI 0x200 /* (n) receive all multicast packets */ 146 #define IFF_DRV_OACTIVE 0x400 /* (d) tx hardware queue is full */ 147 #define IFF_SIMPLEX 0x800 /* (i) can't hear own transmissions */ 148 #define IFF_LINK0 0x1000 /* per link layer defined bit */ 149 #define IFF_LINK1 0x2000 /* per link layer defined bit */ 150 #define IFF_LINK2 0x4000 /* per link layer defined bit */ 151 #define IFF_ALTPHYS IFF_LINK2 /* use alternate physical connection */ 152 #define IFF_MULTICAST 0x8000 /* (i) supports multicast */ 153 #define IFF_CANTCONFIG 0x10000 /* (i) unconfigurable using ioctl(2) */ 154 #define IFF_PPROMISC 0x20000 /* (n) user-requested promisc mode */ 155 #define IFF_MONITOR 0x40000 /* (n) user-requested monitor mode */ 156 #define IFF_STATICARP 0x80000 /* (n) static ARP */ 157 #define IFF_DYING 0x200000 /* (n) interface is winding down */ 158 #define IFF_RENAMING 0x400000 /* (n) interface is being renamed */ 159 /* 160 * Old names for driver flags so that user space tools can continue to use 161 * the old (portable) names. 162 */ 163 #ifndef _KERNEL 164 #define IFF_RUNNING IFF_DRV_RUNNING 165 #define IFF_OACTIVE IFF_DRV_OACTIVE 166 #endif 167 168 /* flags set internally only: */ 169 #define IFF_CANTCHANGE \ 170 (IFF_BROADCAST|IFF_POINTOPOINT|IFF_DRV_RUNNING|IFF_DRV_OACTIVE|\ 171 IFF_SIMPLEX|IFF_MULTICAST|IFF_ALLMULTI|IFF_SMART|IFF_PROMISC|\ 172 IFF_DYING|IFF_CANTCONFIG) 173 174 /* 175 * Values for if_link_state. 176 */ 177 #define LINK_STATE_UNKNOWN 0 /* link invalid/unknown */ 178 #define LINK_STATE_DOWN 1 /* link is down */ 179 #define LINK_STATE_UP 2 /* link is up */ 180 181 /* 182 * Some convenience macros used for setting ifi_baudrate. 183 * XXX 1000 vs. 1024? --thorpej@netbsd.org 184 */ 185 #define IF_Kbps(x) ((uintmax_t)(x) * 1000) /* kilobits/sec. */ 186 #define IF_Mbps(x) (IF_Kbps((x) * 1000)) /* megabits/sec. */ 187 #define IF_Gbps(x) (IF_Mbps((x) * 1000)) /* gigabits/sec. */ 188 189 /* 190 * Capabilities that interfaces can advertise. 191 * 192 * struct ifnet.if_capabilities 193 * contains the optional features & capabilities a particular interface 194 * supports (not only the driver but also the detected hw revision). 195 * Capabilities are defined by IFCAP_* below. 196 * struct ifnet.if_capenable 197 * contains the enabled (either by default or through ifconfig) optional 198 * features & capabilities on this interface. 199 * Capabilities are defined by IFCAP_* below. 200 * struct if_data.ifi_hwassist in mbuf CSUM_ flag form, controlled by above 201 * contains the enabled optional feature & capabilites that can be used 202 * individually per packet and are specified in the mbuf pkthdr.csum_flags 203 * field. IFCAP_* and CSUM_* do not match one to one and CSUM_* may be 204 * more detailed or differenciated than IFCAP_*. 205 * Hwassist features are defined CSUM_* in sys/mbuf.h 206 * 207 * Capabilities that cannot be arbitrarily changed with ifconfig/ioctl 208 * are listed in IFCAP_CANTCHANGE, similar to IFF_CANTCHANGE. 209 * This is not strictly necessary because the common code never 210 * changes capabilities, and it is left to the individual driver 211 * to do the right thing. However, having the filter here 212 * avoids replication of the same code in all individual drivers. 213 */ 214 #define IFCAP_RXCSUM 0x00001 /* can offload checksum on RX */ 215 #define IFCAP_TXCSUM 0x00002 /* can offload checksum on TX */ 216 #define IFCAP_NETCONS 0x00004 /* can be a network console */ 217 #define IFCAP_VLAN_MTU 0x00008 /* VLAN-compatible MTU */ 218 #define IFCAP_VLAN_HWTAGGING 0x00010 /* hardware VLAN tag support */ 219 #define IFCAP_JUMBO_MTU 0x00020 /* 9000 byte MTU supported */ 220 #define IFCAP_POLLING 0x00040 /* driver supports polling */ 221 #define IFCAP_VLAN_HWCSUM 0x00080 /* can do IFCAP_HWCSUM on VLANs */ 222 #define IFCAP_TSO4 0x00100 /* can do TCP Segmentation Offload */ 223 #define IFCAP_TSO6 0x00200 /* can do TCP6 Segmentation Offload */ 224 #define IFCAP_LRO 0x00400 /* can do Large Receive Offload */ 225 #define IFCAP_WOL_UCAST 0x00800 /* wake on any unicast frame */ 226 #define IFCAP_WOL_MCAST 0x01000 /* wake on any multicast frame */ 227 #define IFCAP_WOL_MAGIC 0x02000 /* wake on any Magic Packet */ 228 #define IFCAP_TOE4 0x04000 /* interface can offload TCP */ 229 #define IFCAP_TOE6 0x08000 /* interface can offload TCP6 */ 230 #define IFCAP_VLAN_HWFILTER 0x10000 /* interface hw can filter vlan tag */ 231 #define IFCAP_POLLING_NOCOUNT 0x20000 /* polling ticks cannot be fragmented */ 232 #define IFCAP_VLAN_HWTSO 0x40000 /* can do IFCAP_TSO on VLANs */ 233 #define IFCAP_LINKSTATE 0x80000 /* the runtime link state is dynamic */ 234 #define IFCAP_NETMAP 0x100000 /* netmap mode supported/enabled */ 235 #define IFCAP_RXCSUM_IPV6 0x200000 /* can offload checksum on IPv6 RX */ 236 #define IFCAP_TXCSUM_IPV6 0x400000 /* can offload checksum on IPv6 TX */ 237 #define IFCAP_HWSTATS 0x800000 /* manages counters internally */ 238 239 #define IFCAP_HWCSUM_IPV6 (IFCAP_RXCSUM_IPV6 | IFCAP_TXCSUM_IPV6) 240 241 #define IFCAP_HWCSUM (IFCAP_RXCSUM | IFCAP_TXCSUM) 242 #define IFCAP_TSO (IFCAP_TSO4 | IFCAP_TSO6) 243 #define IFCAP_WOL (IFCAP_WOL_UCAST | IFCAP_WOL_MCAST | IFCAP_WOL_MAGIC) 244 #define IFCAP_TOE (IFCAP_TOE4 | IFCAP_TOE6) 245 246 #define IFCAP_CANTCHANGE (IFCAP_NETMAP) 247 248 #define IFQ_MAXLEN 50 249 #define IFNET_SLOWHZ 1 /* granularity is 1 second */ 250 251 /* 252 * Message format for use in obtaining information about interfaces 253 * from getkerninfo and the routing socket 254 * For the new, extensible interface see struct if_msghdrl below. 255 */ 256 struct if_msghdr { 257 u_short ifm_msglen; /* to skip over non-understood messages */ 258 u_char ifm_version; /* future binary compatibility */ 259 u_char ifm_type; /* message type */ 260 int ifm_addrs; /* like rtm_addrs */ 261 int ifm_flags; /* value of if_flags */ 262 u_short ifm_index; /* index for associated ifp */ 263 struct if_data ifm_data;/* statistics and other data about if */ 264 }; 265 266 /* 267 * The 'l' version shall be used by new interfaces, like NET_RT_IFLISTL. It is 268 * extensible after ifm_data_off or within ifm_data. Both the if_msghdr and 269 * if_data now have a member field detailing the struct length in addition to 270 * the routing message length. Macros are provided to find the start of 271 * ifm_data and the start of the socket address strucutres immediately following 272 * struct if_msghdrl given a pointer to struct if_msghdrl. 273 */ 274 #define IF_MSGHDRL_IFM_DATA(_l) \ 275 (struct if_data *)((char *)(_l) + (_l)->ifm_data_off) 276 #define IF_MSGHDRL_RTA(_l) \ 277 (void *)((uintptr_t)(_l) + (_l)->ifm_len) 278 struct if_msghdrl { 279 u_short ifm_msglen; /* to skip over non-understood messages */ 280 u_char ifm_version; /* future binary compatibility */ 281 u_char ifm_type; /* message type */ 282 int ifm_addrs; /* like rtm_addrs */ 283 int ifm_flags; /* value of if_flags */ 284 u_short ifm_index; /* index for associated ifp */ 285 u_short _ifm_spare1; /* spare space to grow if_index, see if_var.h */ 286 u_short ifm_len; /* length of if_msghdrl incl. if_data */ 287 u_short ifm_data_off; /* offset of if_data from beginning */ 288 struct if_data ifm_data;/* statistics and other data about if */ 289 #ifdef _IN_NET_RTSOCK_C 290 u_long ifi_oqdrops; 291 #endif 292 }; 293 294 /* 295 * Message format for use in obtaining information about interface addresses 296 * from getkerninfo and the routing socket 297 * For the new, extensible interface see struct ifa_msghdrl below. 298 */ 299 struct ifa_msghdr { 300 u_short ifam_msglen; /* to skip over non-understood messages */ 301 u_char ifam_version; /* future binary compatibility */ 302 u_char ifam_type; /* message type */ 303 int ifam_addrs; /* like rtm_addrs */ 304 int ifam_flags; /* value of ifa_flags */ 305 u_short ifam_index; /* index for associated ifp */ 306 int ifam_metric; /* value of ifa_metric */ 307 }; 308 309 /* 310 * The 'l' version shall be used by new interfaces, like NET_RT_IFLISTL. It is 311 * extensible after ifam_metric or within ifam_data. Both the ifa_msghdrl and 312 * if_data now have a member field detailing the struct length in addition to 313 * the routing message length. Macros are provided to find the start of 314 * ifm_data and the start of the socket address strucutres immediately following 315 * struct ifa_msghdrl given a pointer to struct ifa_msghdrl. 316 */ 317 #define IFA_MSGHDRL_IFAM_DATA(_l) \ 318 (struct if_data *)((char *)(_l) + (_l)->ifam_data_off) 319 #define IFA_MSGHDRL_RTA(_l) \ 320 (void *)((uintptr_t)(_l) + (_l)->ifam_len) 321 struct ifa_msghdrl { 322 u_short ifam_msglen; /* to skip over non-understood messages */ 323 u_char ifam_version; /* future binary compatibility */ 324 u_char ifam_type; /* message type */ 325 int ifam_addrs; /* like rtm_addrs */ 326 int ifam_flags; /* value of ifa_flags */ 327 u_short ifam_index; /* index for associated ifp */ 328 u_short _ifam_spare1; /* spare space to grow if_index, see if_var.h */ 329 u_short ifam_len; /* length of ifa_msghdrl incl. if_data */ 330 u_short ifam_data_off; /* offset of if_data from beginning */ 331 int ifam_metric; /* value of ifa_metric */ 332 struct if_data ifam_data;/* statistics and other data about if or 333 * address */ 334 }; 335 336 /* 337 * Message format for use in obtaining information about multicast addresses 338 * from the routing socket 339 */ 340 struct ifma_msghdr { 341 u_short ifmam_msglen; /* to skip over non-understood messages */ 342 u_char ifmam_version; /* future binary compatibility */ 343 u_char ifmam_type; /* message type */ 344 int ifmam_addrs; /* like rtm_addrs */ 345 int ifmam_flags; /* value of ifa_flags */ 346 u_short ifmam_index; /* index for associated ifp */ 347 }; 348 349 /* 350 * Message format announcing the arrival or departure of a network interface. 351 */ 352 struct if_announcemsghdr { 353 u_short ifan_msglen; /* to skip over non-understood messages */ 354 u_char ifan_version; /* future binary compatibility */ 355 u_char ifan_type; /* message type */ 356 u_short ifan_index; /* index for associated ifp */ 357 char ifan_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 358 u_short ifan_what; /* what type of announcement */ 359 }; 360 361 #define IFAN_ARRIVAL 0 /* interface arrival */ 362 #define IFAN_DEPARTURE 1 /* interface departure */ 363 364 /* 365 * Buffer with length to be used in SIOCGIFDESCR/SIOCSIFDESCR requests 366 */ 367 struct ifreq_buffer { 368 size_t length; 369 void *buffer; 370 }; 371 372 /* 373 * Interface request structure used for socket 374 * ioctl's. All interface ioctl's must have parameter 375 * definitions which begin with ifr_name. The 376 * remainder may be interface specific. 377 */ 378 struct ifreq { 379 char ifr_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 380 union { 381 struct sockaddr ifru_addr; 382 struct sockaddr ifru_dstaddr; 383 struct sockaddr ifru_broadaddr; 384 struct ifreq_buffer ifru_buffer; 385 short ifru_flags[2]; 386 short ifru_index; 387 int ifru_jid; 388 int ifru_metric; 389 int ifru_mtu; 390 int ifru_phys; 391 int ifru_media; 392 caddr_t ifru_data; 393 int ifru_cap[2]; 394 u_int ifru_fib; 395 } ifr_ifru; 396 #define ifr_addr ifr_ifru.ifru_addr /* address */ 397 #define ifr_dstaddr ifr_ifru.ifru_dstaddr /* other end of p-to-p link */ 398 #define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */ 399 #define ifr_buffer ifr_ifru.ifru_buffer /* user supplied buffer with its length */ 400 #define ifr_flags ifr_ifru.ifru_flags[0] /* flags (low 16 bits) */ 401 #define ifr_flagshigh ifr_ifru.ifru_flags[1] /* flags (high 16 bits) */ 402 #define ifr_jid ifr_ifru.ifru_jid /* jail/vnet */ 403 #define ifr_metric ifr_ifru.ifru_metric /* metric */ 404 #define ifr_mtu ifr_ifru.ifru_mtu /* mtu */ 405 #define ifr_phys ifr_ifru.ifru_phys /* physical wire */ 406 #define ifr_media ifr_ifru.ifru_media /* physical media */ 407 #define ifr_data ifr_ifru.ifru_data /* for use by interface */ 408 #define ifr_reqcap ifr_ifru.ifru_cap[0] /* requested capabilities */ 409 #define ifr_curcap ifr_ifru.ifru_cap[1] /* current capabilities */ 410 #define ifr_index ifr_ifru.ifru_index /* interface index */ 411 #define ifr_fib ifr_ifru.ifru_fib /* interface fib */ 412 }; 413 414 #define _SIZEOF_ADDR_IFREQ(ifr) \ 415 ((ifr).ifr_addr.sa_len > sizeof(struct sockaddr) ? \ 416 (sizeof(struct ifreq) - sizeof(struct sockaddr) + \ 417 (ifr).ifr_addr.sa_len) : sizeof(struct ifreq)) 418 419 struct ifaliasreq { 420 char ifra_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 421 struct sockaddr ifra_addr; 422 struct sockaddr ifra_broadaddr; 423 struct sockaddr ifra_mask; 424 int ifra_vhid; 425 }; 426 427 /* Compat with pre-10.x */ 428 struct oifaliasreq { 429 char ifra_name[IFNAMSIZ]; 430 struct sockaddr ifra_addr; 431 struct sockaddr ifra_broadaddr; 432 struct sockaddr ifra_mask; 433 }; 434 435 struct ifmediareq { 436 char ifm_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 437 int ifm_current; /* current media options */ 438 int ifm_mask; /* don't care mask */ 439 int ifm_status; /* media status */ 440 int ifm_active; /* active options */ 441 int ifm_count; /* # entries in ifm_ulist array */ 442 int *ifm_ulist; /* media words */ 443 }; 444 445 struct ifdrv { 446 char ifd_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 447 unsigned long ifd_cmd; 448 size_t ifd_len; 449 void *ifd_data; 450 }; 451 452 /* 453 * Structure used to retrieve aux status data from interfaces. 454 * Kernel suppliers to this interface should respect the formatting 455 * needed by ifconfig(8): each line starts with a TAB and ends with 456 * a newline. The canonical example to copy and paste is in if_tun.c. 457 */ 458 459 #define IFSTATMAX 800 /* 10 lines of text */ 460 struct ifstat { 461 char ifs_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 462 char ascii[IFSTATMAX + 1]; 463 }; 464 465 /* 466 * Structure used in SIOCGIFCONF request. 467 * Used to retrieve interface configuration 468 * for machine (useful for programs which 469 * must know all networks accessible). 470 */ 471 struct ifconf { 472 int ifc_len; /* size of associated buffer */ 473 union { 474 caddr_t ifcu_buf; 475 struct ifreq *ifcu_req; 476 } ifc_ifcu; 477 #define ifc_buf ifc_ifcu.ifcu_buf /* buffer address */ 478 #define ifc_req ifc_ifcu.ifcu_req /* array of structures returned */ 479 }; 480 481 /* 482 * interface groups 483 */ 484 485 #define IFG_ALL "all" /* group contains all interfaces */ 486 /* XXX: will we implement this? */ 487 #define IFG_EGRESS "egress" /* if(s) default route(s) point to */ 488 489 struct ifg_req { 490 union { 491 char ifgrqu_group[IFNAMSIZ]; 492 char ifgrqu_member[IFNAMSIZ]; 493 } ifgrq_ifgrqu; 494 #define ifgrq_group ifgrq_ifgrqu.ifgrqu_group 495 #define ifgrq_member ifgrq_ifgrqu.ifgrqu_member 496 }; 497 498 /* 499 * Used to lookup groups for an interface 500 */ 501 struct ifgroupreq { 502 char ifgr_name[IFNAMSIZ]; 503 u_int ifgr_len; 504 union { 505 char ifgru_group[IFNAMSIZ]; 506 struct ifg_req *ifgru_groups; 507 } ifgr_ifgru; 508 #define ifgr_group ifgr_ifgru.ifgru_group 509 #define ifgr_groups ifgr_ifgru.ifgru_groups 510 }; 511 512 /* 513 * Structure for SIOC[AGD]LIFADDR 514 */ 515 struct if_laddrreq { 516 char iflr_name[IFNAMSIZ]; 517 u_int flags; 518 #define IFLR_PREFIX 0x8000 /* in: prefix given out: kernel fills id */ 519 u_int prefixlen; /* in/out */ 520 struct sockaddr_storage addr; /* in/out */ 521 struct sockaddr_storage dstaddr; /* out */ 522 }; 523 524 /* 525 * Structure used to request i2c data 526 * from interface transceivers. 527 */ 528 struct ifi2creq { 529 uint8_t dev_addr; /* i2c address (0xA0, 0xA2) */ 530 uint8_t offset; /* read offset */ 531 uint8_t len; /* read length */ 532 uint8_t spare0; 533 uint32_t spare1; 534 uint8_t data[8]; /* read buffer */ 535 }; 536 537 /* 538 * RSS hash. 539 */ 540 541 #define RSS_FUNC_NONE 0 /* RSS disabled */ 542 #define RSS_FUNC_PRIVATE 1 /* non-standard */ 543 #define RSS_FUNC_TOEPLITZ 2 544 545 #define RSS_TYPE_IPV4 0x00000001 546 #define RSS_TYPE_TCP_IPV4 0x00000002 547 #define RSS_TYPE_IPV6 0x00000004 548 #define RSS_TYPE_IPV6_EX 0x00000008 549 #define RSS_TYPE_TCP_IPV6 0x00000010 550 #define RSS_TYPE_TCP_IPV6_EX 0x00000020 551 #define RSS_TYPE_UDP_IPV4 0x00000040 552 #define RSS_TYPE_UDP_IPV6 0x00000080 553 #define RSS_TYPE_UDP_IPV6_EX 0x00000100 554 555 #define RSS_KEYLEN 128 556 557 struct ifrsskey { 558 char ifrk_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 559 uint8_t ifrk_func; /* RSS_FUNC_ */ 560 uint8_t ifrk_spare0; 561 uint16_t ifrk_keylen; 562 uint8_t ifrk_key[RSS_KEYLEN]; 563 }; 564 565 struct ifrsshash { 566 char ifrh_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 567 uint8_t ifrh_func; /* RSS_FUNC_ */ 568 uint8_t ifrh_spare0; 569 uint16_t ifrh_spare1; 570 uint32_t ifrh_types; /* RSS_TYPE_ */ 571 }; 572 573 #endif /* __BSD_VISIBLE */ 574 575 #ifdef _KERNEL 576 #ifdef MALLOC_DECLARE 577 MALLOC_DECLARE(M_IFADDR); 578 MALLOC_DECLARE(M_IFMADDR); 579 #endif 580 #endif 581 582 #ifndef _KERNEL 583 struct if_nameindex { 584 unsigned int if_index; /* 1, 2, ... */ 585 char *if_name; /* null terminated name: "le0", ... */ 586 }; 587 588 __BEGIN_DECLS 589 void if_freenameindex(struct if_nameindex *); 590 char *if_indextoname(unsigned int, char *); 591 struct if_nameindex *if_nameindex(void); 592 unsigned int if_nametoindex(const char *); 593 __END_DECLS 594 #endif 595 596 #ifdef _KERNEL 597 /* XXX - this should go away soon. */ 598 #include <net/if_var.h> 599 #endif 600 601 #endif /* !_NET_IF_H_ */ 602