199767f8919635c4928607450d9e0abb932109ceToomas Soome * Copyright (c) 1982, 1986, 1989, 1993
199767f8919635c4928607450d9e0abb932109ceToomas Soome * The Regents of the University of California. All rights reserved.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Redistribution and use in source and binary forms, with or without
199767f8919635c4928607450d9e0abb932109ceToomas Soome * modification, are permitted provided that the following conditions
199767f8919635c4928607450d9e0abb932109ceToomas Soome * 1. Redistributions of source code must retain the above copyright
199767f8919635c4928607450d9e0abb932109ceToomas Soome * notice, this list of conditions and the following disclaimer.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * 2. Redistributions in binary form must reproduce the above copyright
199767f8919635c4928607450d9e0abb932109ceToomas Soome * notice, this list of conditions and the following disclaimer in the
199767f8919635c4928607450d9e0abb932109ceToomas Soome * documentation and/or other materials provided with the distribution.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * 4. Neither the name of the University nor the names of its contributors
199767f8919635c4928607450d9e0abb932109ceToomas Soome * may be used to endorse or promote products derived from this software
199767f8919635c4928607450d9e0abb932109ceToomas Soome * without specific prior written permission.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
199767f8919635c4928607450d9e0abb932109ceToomas Soome * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
199767f8919635c4928607450d9e0abb932109ceToomas Soome * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
199767f8919635c4928607450d9e0abb932109ceToomas Soome * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
199767f8919635c4928607450d9e0abb932109ceToomas Soome * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
199767f8919635c4928607450d9e0abb932109ceToomas Soome * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
199767f8919635c4928607450d9e0abb932109ceToomas Soome * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
199767f8919635c4928607450d9e0abb932109ceToomas Soome * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
199767f8919635c4928607450d9e0abb932109ceToomas Soome * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
199767f8919635c4928607450d9e0abb932109ceToomas Soome * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
199767f8919635c4928607450d9e0abb932109ceToomas Soome * SUCH DAMAGE.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * @(#)if.h 8.1 (Berkeley) 6/10/93
199767f8919635c4928607450d9e0abb932109ceToomas Soome * <net/if.h> does not depend on <sys/time.h> on most other systems. This
199767f8919635c4928607450d9e0abb932109ceToomas Soome * helps userland compatibility. (struct timeval ifi_lastchange)
199767f8919635c4928607450d9e0abb932109ceToomas Soome * The same holds for <sys/socket.h>. (struct sockaddr ifru_addr)
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Length of interface external name, including terminating '\0'.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Note: this is the same size as a generic device's external name.
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IF_MAXUNIT 0x7fff /* historical value */
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Structure used to query names of interface cloners.
199767f8919635c4928607450d9e0abb932109ceToomas Soome int ifcr_count; /* room for this many in user buffer */
199767f8919635c4928607450d9e0abb932109ceToomas Soome char *ifcr_buffer; /* buffer for cloner names */
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Structure describing information about an interface
199767f8919635c4928607450d9e0abb932109ceToomas Soome * which may be of interest to management entities.
199767f8919635c4928607450d9e0abb932109ceToomas Soome /* generic interface information */
199767f8919635c4928607450d9e0abb932109ceToomas Soome uint8_t ifi_type; /* ethernet, tokenring, etc */
199767f8919635c4928607450d9e0abb932109ceToomas Soome uint8_t ifi_physical; /* e.g., AUI, Thinnet, 10base-T, etc */
199767f8919635c4928607450d9e0abb932109ceToomas Soome uint8_t ifi_addrlen; /* media address length */
199767f8919635c4928607450d9e0abb932109ceToomas Soome uint8_t ifi_link_state; /* current link state */
199767f8919635c4928607450d9e0abb932109ceToomas Soome uint16_t ifi_datalen; /* length of this data struct */
199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t ifi_mtu; /* maximum transmission unit */
199767f8919635c4928607450d9e0abb932109ceToomas Soome uint32_t ifi_metric; /* routing metric (external only) */
199767f8919635c4928607450d9e0abb932109ceToomas Soome /* volatile statistics */
199767f8919635c4928607450d9e0abb932109ceToomas Soome uint64_t ifi_ipackets; /* packets received on interface */
199767f8919635c4928607450d9e0abb932109ceToomas Soome uint64_t ifi_ierrors; /* input errors on interface */
199767f8919635c4928607450d9e0abb932109ceToomas Soome uint64_t ifi_opackets; /* packets sent on interface */
199767f8919635c4928607450d9e0abb932109ceToomas Soome uint64_t ifi_oerrors; /* output errors on interface */
199767f8919635c4928607450d9e0abb932109ceToomas Soome uint64_t ifi_collisions; /* collisions on csma interfaces */
199767f8919635c4928607450d9e0abb932109ceToomas Soome uint64_t ifi_ibytes; /* total number of octets received */
199767f8919635c4928607450d9e0abb932109ceToomas Soome uint64_t ifi_obytes; /* total number of octets sent */
199767f8919635c4928607450d9e0abb932109ceToomas Soome uint64_t ifi_imcasts; /* packets received via multicast */
199767f8919635c4928607450d9e0abb932109ceToomas Soome uint64_t ifi_omcasts; /* packets sent via multicast */
199767f8919635c4928607450d9e0abb932109ceToomas Soome uint64_t ifi_noproto; /* destined for unsupported protocol */
199767f8919635c4928607450d9e0abb932109ceToomas Soome uint64_t ifi_hwassist; /* HW offload capabilities, see IFCAP */
199767f8919635c4928607450d9e0abb932109ceToomas Soome /* Unions are here to make sizes MI. */
199767f8919635c4928607450d9e0abb932109ceToomas Soome union { /* uptime at attach or stat reset */
199767f8919635c4928607450d9e0abb932109ceToomas Soome union { /* time of last administrative change */
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Interface flags are of two types: network stack owned flags, and driver
199767f8919635c4928607450d9e0abb932109ceToomas Soome * owned flags. Historically, these values were stored in the same ifnet
199767f8919635c4928607450d9e0abb932109ceToomas Soome * flags field, but with the advent of fine-grained locking, they have been
199767f8919635c4928607450d9e0abb932109ceToomas Soome * broken out such that the network stack is responsible for synchronizing
199767f8919635c4928607450d9e0abb932109ceToomas Soome * the stack-owned fields, and the device driver the device-owned fields.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Both halves can perform lockless reads of the other half's field, subject
199767f8919635c4928607450d9e0abb932109ceToomas Soome * to accepting the involved races.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Both sets of flags come from the same number space, and should not be
199767f8919635c4928607450d9e0abb932109ceToomas Soome * permitted to conflict, as they are exposed to user space via a single
199767f8919635c4928607450d9e0abb932109ceToomas Soome * The following symbols identify read and write requirements for fields:
199767f8919635c4928607450d9e0abb932109ceToomas Soome * (i) if_flags field set by device driver before attach, read-only there
199767f8919635c4928607450d9e0abb932109ceToomas Soome * (n) if_flags field written only by the network stack, read by either the
199767f8919635c4928607450d9e0abb932109ceToomas Soome * stack or driver.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * (d) if_drv_flags field written only by the device driver, read by either
199767f8919635c4928607450d9e0abb932109ceToomas Soome * the stack or driver.
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFF_BROADCAST 0x2 /* (i) broadcast address valid */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFF_DEBUG 0x4 /* (n) turn on debugging */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFF_LOOPBACK 0x8 /* (i) is a loopback net */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFF_POINTOPOINT 0x10 /* (i) is a point-to-point link */
199767f8919635c4928607450d9e0abb932109ceToomas Soome/* 0x20 was IFF_SMART */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFF_DRV_RUNNING 0x40 /* (d) resources allocated */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFF_NOARP 0x80 /* (n) no address resolution protocol */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFF_PROMISC 0x100 /* (n) receive all packets */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFF_ALLMULTI 0x200 /* (n) receive all multicast packets */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFF_DRV_OACTIVE 0x400 /* (d) tx hardware queue is full */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFF_SIMPLEX 0x800 /* (i) can't hear own transmissions */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFF_LINK0 0x1000 /* per link layer defined bit */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFF_LINK1 0x2000 /* per link layer defined bit */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFF_LINK2 0x4000 /* per link layer defined bit */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFF_ALTPHYS IFF_LINK2 /* use alternate physical connection */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFF_MULTICAST 0x8000 /* (i) supports multicast */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFF_CANTCONFIG 0x10000 /* (i) unconfigurable using ioctl(2) */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFF_PPROMISC 0x20000 /* (n) user-requested promisc mode */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFF_MONITOR 0x40000 /* (n) user-requested monitor mode */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFF_STATICARP 0x80000 /* (n) static ARP */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFF_DYING 0x200000 /* (n) interface is winding down */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFF_RENAMING 0x400000 /* (n) interface is being renamed */
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Old names for driver flags so that user space tools can continue to use
199767f8919635c4928607450d9e0abb932109ceToomas Soome * the old (portable) names.
199767f8919635c4928607450d9e0abb932109ceToomas Soome/* flags set internally only: */
199767f8919635c4928607450d9e0abb932109ceToomas Soome (IFF_BROADCAST|IFF_POINTOPOINT|IFF_DRV_RUNNING|IFF_DRV_OACTIVE|\
199767f8919635c4928607450d9e0abb932109ceToomas Soome IFF_SIMPLEX|IFF_MULTICAST|IFF_ALLMULTI|IFF_PROMISC|\
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Values for if_link_state.
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define LINK_STATE_UNKNOWN 0 /* link invalid/unknown */
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Some convenience macros used for setting ifi_baudrate.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * XXX 1000 vs. 1024? --thorpej@netbsd.org
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IF_Kbps(x) ((uintmax_t)(x) * 1000) /* kilobits/sec. */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IF_Mbps(x) (IF_Kbps((x) * 1000)) /* megabits/sec. */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IF_Gbps(x) (IF_Mbps((x) * 1000)) /* gigabits/sec. */
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Capabilities that interfaces can advertise.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * struct ifnet.if_capabilities
199767f8919635c4928607450d9e0abb932109ceToomas Soome * contains the optional features & capabilities a particular interface
199767f8919635c4928607450d9e0abb932109ceToomas Soome * supports (not only the driver but also the detected hw revision).
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Capabilities are defined by IFCAP_* below.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * struct ifnet.if_capenable
199767f8919635c4928607450d9e0abb932109ceToomas Soome * contains the enabled (either by default or through ifconfig) optional
199767f8919635c4928607450d9e0abb932109ceToomas Soome * features & capabilities on this interface.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Capabilities are defined by IFCAP_* below.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * struct if_data.ifi_hwassist in mbuf CSUM_ flag form, controlled by above
199767f8919635c4928607450d9e0abb932109ceToomas Soome * contains the enabled optional feature & capabilites that can be used
199767f8919635c4928607450d9e0abb932109ceToomas Soome * individually per packet and are specified in the mbuf pkthdr.csum_flags
199767f8919635c4928607450d9e0abb932109ceToomas Soome * field. IFCAP_* and CSUM_* do not match one to one and CSUM_* may be
199767f8919635c4928607450d9e0abb932109ceToomas Soome * more detailed or differenciated than IFCAP_*.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Hwassist features are defined CSUM_* in sys/mbuf.h
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Capabilities that cannot be arbitrarily changed with ifconfig/ioctl
199767f8919635c4928607450d9e0abb932109ceToomas Soome * are listed in IFCAP_CANTCHANGE, similar to IFF_CANTCHANGE.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * This is not strictly necessary because the common code never
199767f8919635c4928607450d9e0abb932109ceToomas Soome * changes capabilities, and it is left to the individual driver
199767f8919635c4928607450d9e0abb932109ceToomas Soome * to do the right thing. However, having the filter here
199767f8919635c4928607450d9e0abb932109ceToomas Soome * avoids replication of the same code in all individual drivers.
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFCAP_RXCSUM 0x00001 /* can offload checksum on RX */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFCAP_TXCSUM 0x00002 /* can offload checksum on TX */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFCAP_NETCONS 0x00004 /* can be a network console */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFCAP_VLAN_MTU 0x00008 /* VLAN-compatible MTU */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFCAP_VLAN_HWTAGGING 0x00010 /* hardware VLAN tag support */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFCAP_JUMBO_MTU 0x00020 /* 9000 byte MTU supported */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFCAP_POLLING 0x00040 /* driver supports polling */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFCAP_VLAN_HWCSUM 0x00080 /* can do IFCAP_HWCSUM on VLANs */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFCAP_TSO4 0x00100 /* can do TCP Segmentation Offload */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFCAP_TSO6 0x00200 /* can do TCP6 Segmentation Offload */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFCAP_LRO 0x00400 /* can do Large Receive Offload */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFCAP_WOL_UCAST 0x00800 /* wake on any unicast frame */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFCAP_WOL_MCAST 0x01000 /* wake on any multicast frame */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFCAP_WOL_MAGIC 0x02000 /* wake on any Magic Packet */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFCAP_TOE4 0x04000 /* interface can offload TCP */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFCAP_TOE6 0x08000 /* interface can offload TCP6 */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFCAP_VLAN_HWFILTER 0x10000 /* interface hw can filter vlan tag */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFCAP_POLLING_NOCOUNT 0x20000 /* polling ticks cannot be fragmented */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFCAP_VLAN_HWTSO 0x40000 /* can do IFCAP_TSO on VLANs */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFCAP_LINKSTATE 0x80000 /* the runtime link state is dynamic */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFCAP_NETMAP 0x100000 /* netmap mode supported/enabled */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFCAP_RXCSUM_IPV6 0x200000 /* can offload checksum on IPv6 RX */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFCAP_TXCSUM_IPV6 0x400000 /* can offload checksum on IPv6 TX */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFCAP_HWSTATS 0x800000 /* manages counters internally */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFCAP_HWCSUM_IPV6 (IFCAP_RXCSUM_IPV6 | IFCAP_TXCSUM_IPV6)
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFCAP_HWCSUM (IFCAP_RXCSUM | IFCAP_TXCSUM)
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFCAP_WOL (IFCAP_WOL_UCAST | IFCAP_WOL_MCAST | IFCAP_WOL_MAGIC)
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFNET_SLOWHZ 1 /* granularity is 1 second */
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Message format for use in obtaining information about interfaces
199767f8919635c4928607450d9e0abb932109ceToomas Soome * from getkerninfo and the routing socket
199767f8919635c4928607450d9e0abb932109ceToomas Soome * For the new, extensible interface see struct if_msghdrl below.
199767f8919635c4928607450d9e0abb932109ceToomas Soome u_short ifm_msglen; /* to skip over non-understood messages */
199767f8919635c4928607450d9e0abb932109ceToomas Soome u_char ifm_version; /* future binary compatibility */
199767f8919635c4928607450d9e0abb932109ceToomas Soome u_short ifm_index; /* index for associated ifp */
199767f8919635c4928607450d9e0abb932109ceToomas Soome struct if_data ifm_data;/* statistics and other data about if */
199767f8919635c4928607450d9e0abb932109ceToomas Soome * The 'l' version shall be used by new interfaces, like NET_RT_IFLISTL. It is
199767f8919635c4928607450d9e0abb932109ceToomas Soome * extensible after ifm_data_off or within ifm_data. Both the if_msghdr and
199767f8919635c4928607450d9e0abb932109ceToomas Soome * if_data now have a member field detailing the struct length in addition to
199767f8919635c4928607450d9e0abb932109ceToomas Soome * the routing message length. Macros are provided to find the start of
199767f8919635c4928607450d9e0abb932109ceToomas Soome * ifm_data and the start of the socket address strucutres immediately following
199767f8919635c4928607450d9e0abb932109ceToomas Soome * struct if_msghdrl given a pointer to struct if_msghdrl.
199767f8919635c4928607450d9e0abb932109ceToomas Soome (struct if_data *)((char *)(_l) + (_l)->ifm_data_off)
199767f8919635c4928607450d9e0abb932109ceToomas Soome u_short ifm_msglen; /* to skip over non-understood messages */
199767f8919635c4928607450d9e0abb932109ceToomas Soome u_char ifm_version; /* future binary compatibility */
199767f8919635c4928607450d9e0abb932109ceToomas Soome u_short ifm_index; /* index for associated ifp */
199767f8919635c4928607450d9e0abb932109ceToomas Soome u_short _ifm_spare1; /* spare space to grow if_index, see if_var.h */
199767f8919635c4928607450d9e0abb932109ceToomas Soome u_short ifm_len; /* length of if_msghdrl incl. if_data */
199767f8919635c4928607450d9e0abb932109ceToomas Soome u_short ifm_data_off; /* offset of if_data from beginning */
199767f8919635c4928607450d9e0abb932109ceToomas Soome struct if_data ifm_data;/* statistics and other data about if */
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Message format for use in obtaining information about interface addresses
199767f8919635c4928607450d9e0abb932109ceToomas Soome * from getkerninfo and the routing socket
199767f8919635c4928607450d9e0abb932109ceToomas Soome * For the new, extensible interface see struct ifa_msghdrl below.
199767f8919635c4928607450d9e0abb932109ceToomas Soome u_short ifam_msglen; /* to skip over non-understood messages */
199767f8919635c4928607450d9e0abb932109ceToomas Soome u_char ifam_version; /* future binary compatibility */
199767f8919635c4928607450d9e0abb932109ceToomas Soome u_short ifam_index; /* index for associated ifp */
199767f8919635c4928607450d9e0abb932109ceToomas Soome int ifam_metric; /* value of ifa_ifp->if_metric */
199767f8919635c4928607450d9e0abb932109ceToomas Soome * The 'l' version shall be used by new interfaces, like NET_RT_IFLISTL. It is
199767f8919635c4928607450d9e0abb932109ceToomas Soome * extensible after ifam_metric or within ifam_data. Both the ifa_msghdrl and
199767f8919635c4928607450d9e0abb932109ceToomas Soome * if_data now have a member field detailing the struct length in addition to
199767f8919635c4928607450d9e0abb932109ceToomas Soome * the routing message length. Macros are provided to find the start of
199767f8919635c4928607450d9e0abb932109ceToomas Soome * ifm_data and the start of the socket address strucutres immediately following
199767f8919635c4928607450d9e0abb932109ceToomas Soome * struct ifa_msghdrl given a pointer to struct ifa_msghdrl.
199767f8919635c4928607450d9e0abb932109ceToomas Soome (struct if_data *)((char *)(_l) + (_l)->ifam_data_off)
199767f8919635c4928607450d9e0abb932109ceToomas Soome u_short ifam_msglen; /* to skip over non-understood messages */
199767f8919635c4928607450d9e0abb932109ceToomas Soome u_char ifam_version; /* future binary compatibility */
199767f8919635c4928607450d9e0abb932109ceToomas Soome u_short ifam_index; /* index for associated ifp */
199767f8919635c4928607450d9e0abb932109ceToomas Soome u_short _ifam_spare1; /* spare space to grow if_index, see if_var.h */
199767f8919635c4928607450d9e0abb932109ceToomas Soome u_short ifam_len; /* length of ifa_msghdrl incl. if_data */
199767f8919635c4928607450d9e0abb932109ceToomas Soome u_short ifam_data_off; /* offset of if_data from beginning */
199767f8919635c4928607450d9e0abb932109ceToomas Soome int ifam_metric; /* value of ifa_ifp->if_metric */
199767f8919635c4928607450d9e0abb932109ceToomas Soome struct if_data ifam_data;/* statistics and other data about if or
199767f8919635c4928607450d9e0abb932109ceToomas Soome * address */
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Message format for use in obtaining information about multicast addresses
199767f8919635c4928607450d9e0abb932109ceToomas Soome * from the routing socket
199767f8919635c4928607450d9e0abb932109ceToomas Soome u_short ifmam_msglen; /* to skip over non-understood messages */
199767f8919635c4928607450d9e0abb932109ceToomas Soome u_char ifmam_version; /* future binary compatibility */
199767f8919635c4928607450d9e0abb932109ceToomas Soome u_short ifmam_index; /* index for associated ifp */
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Message format announcing the arrival or departure of a network interface.
199767f8919635c4928607450d9e0abb932109ceToomas Soome u_short ifan_msglen; /* to skip over non-understood messages */
199767f8919635c4928607450d9e0abb932109ceToomas Soome u_char ifan_version; /* future binary compatibility */
199767f8919635c4928607450d9e0abb932109ceToomas Soome u_short ifan_index; /* index for associated ifp */
199767f8919635c4928607450d9e0abb932109ceToomas Soome char ifan_name[IFNAMSIZ]; /* if name, e.g. "en0" */
199767f8919635c4928607450d9e0abb932109ceToomas Soome u_short ifan_what; /* what type of announcement */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFAN_DEPARTURE 1 /* interface departure */
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Buffer with length to be used in SIOCGIFDESCR/SIOCSIFDESCR requests
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Interface request structure used for socket
199767f8919635c4928607450d9e0abb932109ceToomas Soome * ioctl's. All interface ioctl's must have parameter
199767f8919635c4928607450d9e0abb932109ceToomas Soome * definitions which begin with ifr_name. The
199767f8919635c4928607450d9e0abb932109ceToomas Soome * remainder may be interface specific.
199767f8919635c4928607450d9e0abb932109ceToomas Soome char ifr_name[IFNAMSIZ]; /* if name, e.g. "en0" */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define ifr_addr ifr_ifru.ifru_addr /* address */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define ifr_dstaddr ifr_ifru.ifru_dstaddr /* other end of p-to-p link */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define ifr_buffer ifr_ifru.ifru_buffer /* user supplied buffer with its length */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define ifr_flags ifr_ifru.ifru_flags[0] /* flags (low 16 bits) */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define ifr_flagshigh ifr_ifru.ifru_flags[1] /* flags (high 16 bits) */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define ifr_jid ifr_ifru.ifru_jid /* jail/vnet */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define ifr_metric ifr_ifru.ifru_metric /* metric */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define ifr_phys ifr_ifru.ifru_phys /* physical wire */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define ifr_media ifr_ifru.ifru_media /* physical media */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define ifr_data ifr_ifru.ifru_data /* for use by interface */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define ifr_reqcap ifr_ifru.ifru_cap[0] /* requested capabilities */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define ifr_curcap ifr_ifru.ifru_cap[1] /* current capabilities */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define ifr_index ifr_ifru.ifru_index /* interface index */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define ifr_fib ifr_ifru.ifru_fib /* interface fib */
199767f8919635c4928607450d9e0abb932109ceToomas Soome ((ifr).ifr_addr.sa_len > sizeof(struct sockaddr) ? \
199767f8919635c4928607450d9e0abb932109ceToomas Soome (sizeof(struct ifreq) - sizeof(struct sockaddr) + \
199767f8919635c4928607450d9e0abb932109ceToomas Soome char ifra_name[IFNAMSIZ]; /* if name, e.g. "en0" */
199767f8919635c4928607450d9e0abb932109ceToomas Soome/* 9.x compat */
199767f8919635c4928607450d9e0abb932109ceToomas Soome char ifm_name[IFNAMSIZ]; /* if name, e.g. "en0" */
199767f8919635c4928607450d9e0abb932109ceToomas Soome int ifm_count; /* # entries in ifm_ulist array */
199767f8919635c4928607450d9e0abb932109ceToomas Soome char ifd_name[IFNAMSIZ]; /* if name, e.g. "en0" */
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Structure used to retrieve aux status data from interfaces.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Kernel suppliers to this interface should respect the formatting
199767f8919635c4928607450d9e0abb932109ceToomas Soome * needed by ifconfig(8): each line starts with a TAB and ends with
199767f8919635c4928607450d9e0abb932109ceToomas Soome * a newline. The canonical example to copy and paste is in if_tun.c.
199767f8919635c4928607450d9e0abb932109ceToomas Soome char ifs_name[IFNAMSIZ]; /* if name, e.g. "en0" */
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Structure used in SIOCGIFCONF request.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Used to retrieve interface configuration
199767f8919635c4928607450d9e0abb932109ceToomas Soome * for machine (useful for programs which
199767f8919635c4928607450d9e0abb932109ceToomas Soome * must know all networks accessible).
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define ifc_buf ifc_ifcu.ifcu_buf /* buffer address */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define ifc_req ifc_ifcu.ifcu_req /* array of structures returned */
199767f8919635c4928607450d9e0abb932109ceToomas Soome * interface groups
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFG_ALL "all" /* group contains all interfaces */
199767f8919635c4928607450d9e0abb932109ceToomas Soome/* XXX: will we implement this? */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define IFG_EGRESS "egress" /* if(s) default route(s) point to */
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Used to lookup groups for an interface
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Structure used to request i2c data
199767f8919635c4928607450d9e0abb932109ceToomas Soome * from interface transceivers.
199767f8919635c4928607450d9e0abb932109ceToomas Soome uint8_t dev_addr; /* i2c address (0xA0, 0xA2) */
199767f8919635c4928607450d9e0abb932109ceToomas Soome#endif /* __BSD_VISIBLE */
199767f8919635c4928607450d9e0abb932109ceToomas Soome char *if_name; /* null terminated name: "le0", ... */
199767f8919635c4928607450d9e0abb932109ceToomas Soomechar *if_indextoname(unsigned int, char *);
199767f8919635c4928607450d9e0abb932109ceToomas Soomeunsigned int if_nametoindex(const char *);
199767f8919635c4928607450d9e0abb932109ceToomas Soome#endif /* !_NET_IF_H_ */