1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1982, 1986, 1989, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * @(#)if.h 8.1 (Berkeley) 6/10/93 32 * $FreeBSD$ 33 */ 34 35 #ifndef _NET_IF_H_ 36 #define _NET_IF_H_ 37 38 #include <sys/time.h> 39 #include "sys/socket.h" 40 41 /* 42 * Length of interface external name, including terminating '\0'. 43 * Note: this is the same size as a generic device's external name. 44 */ 45 #define IF_NAMESIZE 16 46 #define IFNAMSIZ IF_NAMESIZE 47 #define IF_MAXUNIT 0x7fff /* historical value */ 48 49 /* 50 * Structure used to query names of interface cloners. 51 */ 52 53 struct if_clonereq { 54 int ifcr_total; /* total cloners (out) */ 55 int ifcr_count; /* room for this many in user buffer */ 56 char *ifcr_buffer; /* buffer for cloner names */ 57 }; 58 59 /* 60 * Structure describing information about an interface 61 * which may be of interest to management entities. 62 */ 63 struct if_data { 64 /* generic interface information */ 65 uint8_t ifi_type; /* ethernet, tokenring, etc */ 66 uint8_t ifi_physical; /* e.g., AUI, Thinnet, 10base-T, etc */ 67 uint8_t ifi_addrlen; /* media address length */ 68 uint8_t ifi_hdrlen; /* media header length */ 69 uint8_t ifi_link_state; /* current link state */ 70 uint8_t ifi_vhid; /* carp vhid */ 71 uint16_t ifi_datalen; /* length of this data struct */ 72 uint32_t ifi_mtu; /* maximum transmission unit */ 73 uint32_t ifi_metric; /* routing metric (external only) */ 74 uint64_t ifi_baudrate; /* linespeed */ 75 /* volatile statistics */ 76 uint64_t ifi_ipackets; /* packets received on interface */ 77 uint64_t ifi_ierrors; /* input errors on interface */ 78 uint64_t ifi_opackets; /* packets sent on interface */ 79 uint64_t ifi_oerrors; /* output errors on interface */ 80 uint64_t ifi_collisions; /* collisions on csma interfaces */ 81 uint64_t ifi_ibytes; /* total number of octets received */ 82 uint64_t ifi_obytes; /* total number of octets sent */ 83 uint64_t ifi_imcasts; /* packets received via multicast */ 84 uint64_t ifi_omcasts; /* packets sent via multicast */ 85 uint64_t ifi_iqdrops; /* dropped on input */ 86 uint64_t ifi_oqdrops; /* dropped on output */ 87 uint64_t ifi_noproto; /* destined for unsupported protocol */ 88 uint64_t ifi_hwassist; /* HW offload capabilities, see IFCAP */ 89 90 /* Unions are here to make sizes MI. */ 91 union { /* uptime at attach or stat reset */ 92 time_t tt; 93 uint64_t ph; 94 } __ifi_epoch; 95 #define ifi_epoch __ifi_epoch.tt 96 union { /* time of last administrative change */ 97 struct timeval tv; 98 struct { 99 uint64_t ph1; 100 uint64_t ph2; 101 } ph; 102 } __ifi_lastchange; 103 #define ifi_lastchange __ifi_lastchange.tv 104 }; 105 106 /*- 107 * Interface flags are of two types: network stack owned flags, and driver 108 * owned flags. Historically, these values were stored in the same ifnet 109 * flags field, but with the advent of fine-grained locking, they have been 110 * broken out such that the network stack is responsible for synchronizing 111 * the stack-owned fields, and the device driver the device-owned fields. 112 * Both halves can perform lockless reads of the other half's field, subject 113 * to accepting the involved races. 114 * 115 * Both sets of flags come from the same number space, and should not be 116 * permitted to conflict, as they are exposed to user space via a single 117 * field. 118 * 119 * The following symbols identify read and write requirements for fields: 120 * 121 * (i) if_flags field set by device driver before attach, read-only there 122 * after. 123 * (n) if_flags field written only by the network stack, read by either the 124 * stack or driver. 125 * (d) if_drv_flags field written only by the device driver, read by either 126 * the stack or driver. 127 */ 128 #define IFF_UP 0x1 /* (n) interface is up */ 129 #define IFF_BROADCAST 0x2 /* (i) broadcast address valid */ 130 #define IFF_DEBUG 0x4 /* (n) turn on debugging */ 131 #define IFF_LOOPBACK 0x8 /* (i) is a loopback net */ 132 #define IFF_POINTOPOINT 0x10 /* (i) is a point-to-point link */ 133 #define IFF_KNOWSEPOCH 0x20 /* (i) calls if_input in net epoch */ 134 #define IFF_DRV_RUNNING 0x40 /* (d) resources allocated */ 135 #define IFF_NOARP 0x80 /* (n) no address resolution protocol */ 136 #define IFF_PROMISC 0x100 /* (n) receive all packets */ 137 #define IFF_ALLMULTI 0x200 /* (n) receive all multicast packets */ 138 #define IFF_DRV_OACTIVE 0x400 /* (d) tx hardware queue is full */ 139 #define IFF_SIMPLEX 0x800 /* (i) can't hear own transmissions */ 140 #define IFF_LINK0 0x1000 /* per link layer defined bit */ 141 #define IFF_LINK1 0x2000 /* per link layer defined bit */ 142 #define IFF_LINK2 0x4000 /* per link layer defined bit */ 143 #define IFF_ALTPHYS IFF_LINK2 /* use alternate physical connection */ 144 #define IFF_MULTICAST 0x8000 /* (i) supports multicast */ 145 #define IFF_CANTCONFIG 0x10000 /* (i) unconfigurable using ioctl(2) */ 146 #define IFF_PPROMISC 0x20000 /* (n) user-requested promisc mode */ 147 #define IFF_MONITOR 0x40000 /* (n) user-requested monitor mode */ 148 #define IFF_STATICARP 0x80000 /* (n) static ARP */ 149 #define IFF_DYING 0x200000 /* (n) interface is winding down */ 150 #define IFF_RENAMING 0x400000 /* (n) interface is being renamed */ 151 #define IFF_NOGROUP 0x800000 /* (n) interface is not part of any groups */ 152 153 /* 154 * Old names for driver flags so that user space tools can continue to use 155 * the old (portable) names. 156 */ 157 #ifndef _KERNEL 158 #define IFF_RUNNING IFF_DRV_RUNNING 159 #define IFF_OACTIVE IFF_DRV_OACTIVE 160 #endif 161 162 /* flags set internally only: */ 163 #define IFF_CANTCHANGE \ 164 (IFF_BROADCAST|IFF_POINTOPOINT|IFF_DRV_RUNNING|IFF_DRV_OACTIVE|\ 165 IFF_SIMPLEX|IFF_MULTICAST|IFF_ALLMULTI|IFF_PROMISC|\ 166 IFF_DYING|IFF_CANTCONFIG|IFF_KNOWSEPOCH) 167 168 /* 169 * Values for if_link_state. 170 */ 171 #define LINK_STATE_UNKNOWN 0 /* link invalid/unknown */ 172 #define LINK_STATE_DOWN 1 /* link is down */ 173 #define LINK_STATE_UP 2 /* link is up */ 174 175 /* 176 * Some convenience macros used for setting ifi_baudrate. 177 * XXX 1000 vs. 1024? [email protected] 178 */ 179 #define IF_Kbps(x) ((uintmax_t)(x) * 1000) /* kilobits/sec. */ 180 #define IF_Mbps(x) (IF_Kbps((x) * 1000)) /* megabits/sec. */ 181 #define IF_Gbps(x) (IF_Mbps((x) * 1000)) /* gigabits/sec. */ 182 183 /* 184 * Capabilities that interfaces can advertise. 185 * 186 * struct ifnet.if_capabilities 187 * contains the optional features & capabilities a particular interface 188 * supports (not only the driver but also the detected hw revision). 189 * Capabilities are defined by IFCAP_* below. 190 * struct ifnet.if_capenable 191 * contains the enabled (either by default or through ifconfig) optional 192 * features & capabilities on this interface. 193 * Capabilities are defined by IFCAP_* below. 194 * struct if_data.ifi_hwassist in mbuf CSUM_ flag form, controlled by above 195 * contains the enabled optional feature & capabilites that can be used 196 * individually per packet and are specified in the mbuf pkthdr.csum_flags 197 * field. IFCAP_* and CSUM_* do not match one to one and CSUM_* may be 198 * more detailed or differentiated than IFCAP_*. 199 * Hwassist features are defined CSUM_* in sys/mbuf.h 200 * 201 * Capabilities that cannot be arbitrarily changed with ifconfig/ioctl 202 * are listed in IFCAP_CANTCHANGE, similar to IFF_CANTCHANGE. 203 * This is not strictly necessary because the common code never 204 * changes capabilities, and it is left to the individual driver 205 * to do the right thing. However, having the filter here 206 * avoids replication of the same code in all individual drivers. 207 */ 208 #define IFCAP_RXCSUM 0x00001 /* can offload checksum on RX */ 209 #define IFCAP_TXCSUM 0x00002 /* can offload checksum on TX */ 210 #define IFCAP_NETCONS 0x00004 /* can be a network console */ 211 #define IFCAP_VLAN_MTU 0x00008 /* VLAN-compatible MTU */ 212 #define IFCAP_VLAN_HWTAGGING 0x00010 /* hardware VLAN tag support */ 213 #define IFCAP_JUMBO_MTU 0x00020 /* 9000 byte MTU supported */ 214 #define IFCAP_POLLING 0x00040 /* driver supports polling */ 215 #define IFCAP_VLAN_HWCSUM 0x00080 /* can do IFCAP_HWCSUM on VLANs */ 216 #define IFCAP_TSO4 0x00100 /* can do TCP Segmentation Offload */ 217 #define IFCAP_TSO6 0x00200 /* can do TCP6 Segmentation Offload */ 218 #define IFCAP_LRO 0x00400 /* can do Large Receive Offload */ 219 #define IFCAP_WOL_UCAST 0x00800 /* wake on any unicast frame */ 220 #define IFCAP_WOL_MCAST 0x01000 /* wake on any multicast frame */ 221 #define IFCAP_WOL_MAGIC 0x02000 /* wake on any Magic Packet */ 222 #define IFCAP_TOE4 0x04000 /* interface can offload TCP */ 223 #define IFCAP_TOE6 0x08000 /* interface can offload TCP6 */ 224 #define IFCAP_VLAN_HWFILTER 0x10000 /* interface hw can filter vlan tag */ 225 /* available 0x20000 */ 226 #define IFCAP_VLAN_HWTSO 0x40000 /* can do IFCAP_TSO on VLANs */ 227 #define IFCAP_LINKSTATE 0x80000 /* the runtime link state is dynamic */ 228 #define IFCAP_NETMAP 0x100000 /* netmap mode supported/enabled */ 229 #define IFCAP_RXCSUM_IPV6 0x200000 /* can offload checksum on IPv6 RX */ 230 #define IFCAP_TXCSUM_IPV6 0x400000 /* can offload checksum on IPv6 TX */ 231 #define IFCAP_HWSTATS 0x800000 /* manages counters internally */ 232 #define IFCAP_TXRTLMT 0x1000000 /* hardware supports TX rate limiting */ 233 #define IFCAP_HWRXTSTMP 0x2000000 /* hardware rx timestamping */ 234 #define IFCAP_NOMAP 0x4000000 /* can TX unmapped mbufs */ 235 #define IFCAP_TXTLS4 0x8000000 /* can do TLS encryption and segmentation for TCP */ 236 #define IFCAP_TXTLS6 0x10000000 /* can do TLS encryption and segmentation for TCP6 */ 237 #define IFCAP_VXLAN_HWCSUM 0x20000000 /* can do IFCAN_HWCSUM on VXLANs */ 238 #define IFCAP_VXLAN_HWTSO 0x40000000 /* can do IFCAP_TSO on VXLANs */ 239 #define IFCAP_TXTLS_RTLMT 0x80000000 /* can do TLS with rate limiting */ 240 241 #define IFCAP_HWCSUM_IPV6 (IFCAP_RXCSUM_IPV6 | IFCAP_TXCSUM_IPV6) 242 243 #define IFCAP_HWCSUM (IFCAP_RXCSUM | IFCAP_TXCSUM) 244 #define IFCAP_TSO (IFCAP_TSO4 | IFCAP_TSO6) 245 #define IFCAP_WOL (IFCAP_WOL_UCAST | IFCAP_WOL_MCAST | IFCAP_WOL_MAGIC) 246 #define IFCAP_TOE (IFCAP_TOE4 | IFCAP_TOE6) 247 #define IFCAP_TXTLS (IFCAP_TXTLS4 | IFCAP_TXTLS6) 248 249 #define IFCAP_CANTCHANGE (IFCAP_NETMAP) 250 251 #define IFQ_MAXLEN 50 252 #define IFNET_SLOWHZ 1 /* granularity is 1 second */ 253 254 /* 255 * Message format for use in obtaining information about interfaces 256 * from getkerninfo and the routing socket 257 * For the new, extensible interface see struct if_msghdrl below. 258 */ 259 struct if_msghdr { 260 u_short ifm_msglen; /* to skip over non-understood messages */ 261 u_char ifm_version; /* future binary compatibility */ 262 u_char ifm_type; /* message type */ 263 int ifm_addrs; /* like rtm_addrs */ 264 int ifm_flags; /* value of if_flags */ 265 u_short ifm_index; /* index for associated ifp */ 266 u_short _ifm_spare1; 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 int _ifm_spare2; 293 struct if_data ifm_data;/* statistics and other data about if */ 294 }; 295 296 /* 297 * Message format for use in obtaining information about interface addresses 298 * from getkerninfo and the routing socket 299 * For the new, extensible interface see struct ifa_msghdrl below. 300 */ 301 struct ifa_msghdr { 302 u_short ifam_msglen; /* to skip over non-understood messages */ 303 u_char ifam_version; /* future binary compatibility */ 304 u_char ifam_type; /* message type */ 305 int ifam_addrs; /* like rtm_addrs */ 306 int ifam_flags; /* value of ifa_flags */ 307 u_short ifam_index; /* index for associated ifp */ 308 u_short _ifam_spare1; 309 int ifam_metric; /* value of ifa_ifp->if_metric */ 310 }; 311 312 /* 313 * The 'l' version shall be used by new interfaces, like NET_RT_IFLISTL. It is 314 * extensible after ifam_metric or within ifam_data. Both the ifa_msghdrl and 315 * if_data now have a member field detailing the struct length in addition to 316 * the routing message length. Macros are provided to find the start of 317 * ifm_data and the start of the socket address strucutres immediately following 318 * struct ifa_msghdrl given a pointer to struct ifa_msghdrl. 319 */ 320 #define IFA_MSGHDRL_IFAM_DATA(_l) \ 321 (struct if_data *)((char *)(_l) + (_l)->ifam_data_off) 322 #define IFA_MSGHDRL_RTA(_l) \ 323 (void *)((uintptr_t)(_l) + (_l)->ifam_len) 324 struct ifa_msghdrl { 325 u_short ifam_msglen; /* to skip over non-understood messages */ 326 u_char ifam_version; /* future binary compatibility */ 327 u_char ifam_type; /* message type */ 328 int ifam_addrs; /* like rtm_addrs */ 329 int ifam_flags; /* value of ifa_flags */ 330 u_short ifam_index; /* index for associated ifp */ 331 u_short _ifam_spare1; /* spare space to grow if_index, see if_var.h */ 332 u_short ifam_len; /* length of ifa_msghdrl incl. if_data */ 333 u_short ifam_data_off; /* offset of if_data from beginning */ 334 int ifam_metric; /* value of ifa_ifp->if_metric */ 335 struct if_data ifam_data;/* statistics and other data about if or 336 * address */ 337 }; 338 339 /* 340 * Message format for use in obtaining information about multicast addresses 341 * from the routing socket 342 */ 343 struct ifma_msghdr { 344 u_short ifmam_msglen; /* to skip over non-understood messages */ 345 u_char ifmam_version; /* future binary compatibility */ 346 u_char ifmam_type; /* message type */ 347 int ifmam_addrs; /* like rtm_addrs */ 348 int ifmam_flags; /* value of ifa_flags */ 349 u_short ifmam_index; /* index for associated ifp */ 350 u_short _ifmam_spare1; 351 }; 352 353 /* 354 * Message format announcing the arrival or departure of a network interface. 355 */ 356 struct if_announcemsghdr { 357 u_short ifan_msglen; /* to skip over non-understood messages */ 358 u_char ifan_version; /* future binary compatibility */ 359 u_char ifan_type; /* message type */ 360 u_short ifan_index; /* index for associated ifp */ 361 char ifan_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 362 u_short ifan_what; /* what type of announcement */ 363 }; 364 365 #define IFAN_ARRIVAL 0 /* interface arrival */ 366 #define IFAN_DEPARTURE 1 /* interface departure */ 367 368 /* 369 * Buffer with length to be used in SIOCGIFDESCR/SIOCSIFDESCR requests 370 */ 371 struct ifreq_buffer { 372 size_t length; 373 void *buffer; 374 }; 375 376 /* 377 * Interface request structure used for socket 378 * ioctl's. All interface ioctl's must have parameter 379 * definitions which begin with ifr_name. The 380 * remainder may be interface specific. 381 */ 382 struct ifreq { 383 char ifr_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 384 union { 385 struct sockaddr ifru_addr; 386 struct sockaddr ifru_dstaddr; 387 struct sockaddr ifru_broadaddr; 388 struct ifreq_buffer ifru_buffer; 389 short ifru_flags[2]; 390 short ifru_index; 391 int ifru_jid; 392 int ifru_metric; 393 int ifru_mtu; 394 int ifru_phys; 395 int ifru_media; 396 caddr_t ifru_data; 397 int ifru_cap[2]; 398 u_int ifru_fib; 399 u_char ifru_vlan_pcp; 400 } ifr_ifru; 401 #define ifr_addr ifr_ifru.ifru_addr /* address */ 402 #define ifr_dstaddr ifr_ifru.ifru_dstaddr /* other end of p-to-p link */ 403 #define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */ 404 #ifndef _KERNEL 405 #define ifr_buffer ifr_ifru.ifru_buffer /* user supplied buffer with its length */ 406 #endif 407 #define ifr_flags ifr_ifru.ifru_flags[0] /* flags (low 16 bits) */ 408 #define ifr_flagshigh ifr_ifru.ifru_flags[1] /* flags (high 16 bits) */ 409 #define ifr_jid ifr_ifru.ifru_jid /* jail/vnet */ 410 #define ifr_metric ifr_ifru.ifru_metric /* metric */ 411 #define ifr_mtu ifr_ifru.ifru_mtu /* mtu */ 412 #define ifr_phys ifr_ifru.ifru_phys /* physical wire */ 413 #define ifr_media ifr_ifru.ifru_media /* physical media */ 414 #ifndef _KERNEL 415 #define ifr_data ifr_ifru.ifru_data /* for use by interface */ 416 #endif 417 #define ifr_reqcap ifr_ifru.ifru_cap[0] /* requested capabilities */ 418 #define ifr_curcap ifr_ifru.ifru_cap[1] /* current capabilities */ 419 #define ifr_index ifr_ifru.ifru_index /* interface index */ 420 #define ifr_fib ifr_ifru.ifru_fib /* interface fib */ 421 #define ifr_vlan_pcp ifr_ifru.ifru_vlan_pcp /* VLAN priority */ 422 #define ifr_lan_pcp ifr_ifru.ifru_vlan_pcp /* VLAN priority */ 423 }; 424 425 #define _SIZEOF_ADDR_IFREQ(ifr) \ 426 ((ifr).ifr_addr.sa_len > sizeof(struct sockaddr) ? \ 427 (sizeof(struct ifreq) - sizeof(struct sockaddr) + \ 428 (ifr).ifr_addr.sa_len) : sizeof(struct ifreq)) 429 430 struct ifaliasreq { 431 char ifra_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 432 struct sockaddr ifra_addr; 433 struct sockaddr ifra_broadaddr; 434 struct sockaddr ifra_mask; 435 int ifra_vhid; 436 }; 437 438 /* 9.x compat */ 439 struct oifaliasreq { 440 char ifra_name[IFNAMSIZ]; 441 struct sockaddr ifra_addr; 442 struct sockaddr ifra_broadaddr; 443 struct sockaddr ifra_mask; 444 }; 445 446 struct ifmediareq { 447 char ifm_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 448 int ifm_current; /* current media options */ 449 int ifm_mask; /* don't care mask */ 450 int ifm_status; /* media status */ 451 int ifm_active; /* active options */ 452 int ifm_count; /* # entries in ifm_ulist array */ 453 int *ifm_ulist; /* media words */ 454 }; 455 456 struct ifdrv { 457 char ifd_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 458 unsigned long ifd_cmd; 459 size_t ifd_len; 460 void *ifd_data; 461 }; 462 463 /* 464 * Structure used to retrieve aux status data from interfaces. 465 * Kernel suppliers to this interface should respect the formatting 466 * needed by ifconfig(8): each line starts with a TAB and ends with 467 * a newline. The canonical example to copy and paste is in if_tun.c. 468 */ 469 470 #define IFSTATMAX 800 /* 10 lines of text */ 471 struct ifstat { 472 char ifs_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 473 char ascii[IFSTATMAX + 1]; 474 }; 475 476 /* 477 * Structure used in SIOCGIFCONF request. 478 * Used to retrieve interface configuration 479 * for machine (useful for programs which 480 * must know all networks accessible). 481 */ 482 struct ifconf { 483 int ifc_len; /* size of associated buffer */ 484 union { 485 caddr_t ifcu_buf; 486 struct ifreq *ifcu_req; 487 } ifc_ifcu; 488 #define ifc_buf ifc_ifcu.ifcu_buf /* buffer address */ 489 #define ifc_req ifc_ifcu.ifcu_req /* array of structures returned */ 490 }; 491 492 /* 493 * interface groups 494 */ 495 496 #define IFG_ALL "all" /* group contains all interfaces */ 497 /* XXX: will we implement this? */ 498 #define IFG_EGRESS "egress" /* if(s) default route(s) point to */ 499 500 struct ifg_req { 501 union { 502 char ifgrqu_group[IFNAMSIZ]; 503 char ifgrqu_member[IFNAMSIZ]; 504 } ifgrq_ifgrqu; 505 #define ifgrq_group ifgrq_ifgrqu.ifgrqu_group 506 #define ifgrq_member ifgrq_ifgrqu.ifgrqu_member 507 }; 508 509 /* 510 * Used to lookup groups for an interface 511 */ 512 struct ifgroupreq { 513 char ifgr_name[IFNAMSIZ]; 514 u_int ifgr_len; 515 union { 516 char ifgru_group[IFNAMSIZ]; 517 struct ifg_req *ifgru_groups; 518 } ifgr_ifgru; 519 #ifndef _KERNEL 520 #define ifgr_group ifgr_ifgru.ifgru_group 521 #define ifgr_groups ifgr_ifgru.ifgru_groups 522 #endif 523 }; 524 525 /* 526 * Structure used to request i2c data 527 * from interface transceivers. 528 */ 529 struct ifi2creq { 530 uint8_t dev_addr; /* i2c address (0xA0, 0xA2) */ 531 uint8_t offset; /* read offset */ 532 uint8_t len; /* read length */ 533 uint8_t spare0; 534 uint32_t spare1; 535 uint8_t data[8]; /* read buffer */ 536 }; 537 538 /* 539 * RSS hash. 540 */ 541 542 #define RSS_FUNC_NONE 0 /* RSS disabled */ 543 #define RSS_FUNC_PRIVATE 1 /* non-standard */ 544 #define RSS_FUNC_TOEPLITZ 2 545 546 #define RSS_TYPE_IPV4 0x00000001 547 #define RSS_TYPE_TCP_IPV4 0x00000002 548 #define RSS_TYPE_IPV6 0x00000004 549 #define RSS_TYPE_IPV6_EX 0x00000008 550 #define RSS_TYPE_TCP_IPV6 0x00000010 551 #define RSS_TYPE_TCP_IPV6_EX 0x00000020 552 #define RSS_TYPE_UDP_IPV4 0x00000040 553 #define RSS_TYPE_UDP_IPV6 0x00000080 554 #define RSS_TYPE_UDP_IPV6_EX 0x00000100 555 556 #define RSS_KEYLEN 128 557 558 struct ifrsskey { 559 char ifrk_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 560 uint8_t ifrk_func; /* RSS_FUNC_ */ 561 uint8_t ifrk_spare0; 562 uint16_t ifrk_keylen; 563 uint8_t ifrk_key[RSS_KEYLEN]; 564 }; 565 566 struct ifrsshash { 567 char ifrh_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 568 uint8_t ifrh_func; /* RSS_FUNC_ */ 569 uint8_t ifrh_spare0; 570 uint16_t ifrh_spare1; 571 uint32_t ifrh_types; /* RSS_TYPE_ */ 572 }; 573 574 #define IFNET_PCP_NONE 0xff /* PCP disabled */ 575 576 #define IFDR_MSG_SIZE 64 577 #define IFDR_REASON_MSG 1 578 #define IFDR_REASON_VENDOR 2 579 struct ifdownreason { 580 char ifdr_name[IFNAMSIZ]; 581 uint32_t ifdr_reason; 582 uint32_t ifdr_vendor; 583 char ifdr_msg[IFDR_MSG_SIZE]; 584 }; 585 586 #ifdef _KERNEL 587 #ifdef MALLOC_DECLARE 588 MALLOC_DECLARE(M_IFADDR); 589 MALLOC_DECLARE(M_IFMADDR); 590 #endif 591 592 extern struct sx ifnet_detach_sxlock; 593 594 #endif 595 596 struct if_nameindex { 597 unsigned int if_index; /* 1, 2, ... */ 598 char *if_name; /* null terminated name: "le0", ... */ 599 }; 600 601 void if_freenameindex(struct if_nameindex *); 602 char *if_indextoname(unsigned int, char *); 603 struct if_nameindex *if_nameindex(void); 604 unsigned int if_nametoindex(const char *); 605 606 #endif /* !_NET_IF_H_ */ 607