[39e6e65a] | 1 | /* |
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| 2 | * Copyright (c) 1982, 1986, 1989, 1993 |
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| 3 | * The Regents of the University of California. All rights reserved. |
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| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * 1. Redistributions of source code must retain the above copyright |
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| 9 | * notice, this list of conditions and the following disclaimer. |
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| 10 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 11 | * notice, this list of conditions and the following disclaimer in the |
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| 12 | * documentation and/or other materials provided with the distribution. |
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| 13 | * 4. Neither the name of the University nor the names of its contributors |
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| 14 | * may be used to endorse or promote products derived from this software |
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| 15 | * without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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| 18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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| 21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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| 22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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| 23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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| 24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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| 25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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| 26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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| 27 | * SUCH DAMAGE. |
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| 28 | * |
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| 29 | * @(#)if.h 8.1 (Berkeley) 6/10/93 |
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[88d99508] | 30 | * $FreeBSD: src/sys/net/if.h,v 1.95 2005/02/25 19:46:41 brooks Exp $ |
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[39e6e65a] | 31 | */ |
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| 32 | |
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[cb97349] | 33 | /* |
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| 34 | * $Id$ |
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| 35 | */ |
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| 36 | |
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[39e6e65a] | 37 | #ifndef _NET_IF_H_ |
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| 38 | #define _NET_IF_H_ |
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| 39 | |
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[cd9564e] | 40 | #include <rtems/bsd/sys/cdefs.h> |
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[7a845a9e] | 41 | |
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| 42 | #if defined(__rtems__) |
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| 43 | /* |
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| 44 | * FIXME - HACK: BSD defines __BSD_VISIBLE in sys/cdefs.h |
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| 45 | * RTEMS sys/cdefs.h doesn't, so we enforce it here. |
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| 46 | */ |
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| 47 | #ifndef __BSD_VISIBLE |
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| 48 | #define __BSD_VISIBLE 1 |
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| 49 | #endif |
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[ae5a79c3] | 50 | #include <inttypes.h> |
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[7a845a9e] | 51 | #endif |
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| 52 | |
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| 53 | #ifdef _KERNEL |
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[8fc471a5] | 54 | #include <rtems/bsd/sys/queue.h> |
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[7a845a9e] | 55 | #endif |
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| 56 | |
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| 57 | #if __BSD_VISIBLE |
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| 58 | /* |
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| 59 | * <net/if.h> does not depend on <sys/time.h> on most other systems. This |
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| 60 | * helps userland compatibility. (struct timeval ifi_lastchange) |
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| 61 | */ |
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| 62 | #ifndef _KERNEL |
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[39e6e65a] | 63 | #include <sys/time.h> |
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| 64 | #endif |
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| 65 | |
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[7a845a9e] | 66 | struct ifnet; |
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[39e6e65a] | 67 | struct ether_header; |
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| 68 | #endif |
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| 69 | |
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[7a845a9e] | 70 | /* |
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| 71 | * Length of interface external name, including terminating '\0'. |
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| 72 | * Note: this is the same size as a generic device's external name. |
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| 73 | */ |
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| 74 | #define IF_NAMESIZE 16 |
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| 75 | #if __BSD_VISIBLE |
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| 76 | #define IFNAMSIZ IF_NAMESIZE |
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| 77 | #define IF_MAXUNIT 0x7fff /* historical value */ |
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| 78 | #endif |
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| 79 | #if __BSD_VISIBLE |
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| 80 | |
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| 81 | /* |
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| 82 | * Structure used to query names of interface cloners. |
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| 83 | */ |
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| 84 | |
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| 85 | struct if_clonereq { |
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| 86 | int ifcr_total; /* total cloners (out) */ |
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| 87 | int ifcr_count; /* room for this many in user buffer */ |
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| 88 | char *ifcr_buffer; /* buffer for cloner names */ |
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| 89 | }; |
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| 90 | |
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[39e6e65a] | 91 | /* |
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| 92 | * Structure describing information about an interface |
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| 93 | * which may be of interest to management entities. |
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| 94 | */ |
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| 95 | struct if_data { |
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| 96 | /* generic interface information */ |
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| 97 | u_char ifi_type; /* ethernet, tokenring, etc */ |
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| 98 | u_char ifi_physical; /* e.g., AUI, Thinnet, 10base-T, etc */ |
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| 99 | u_char ifi_addrlen; /* media address length */ |
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| 100 | u_char ifi_hdrlen; /* media header length */ |
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| 101 | u_char ifi_recvquota; /* polling quota for receive intrs */ |
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| 102 | u_char ifi_xmitquota; /* polling quota for xmit intrs */ |
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| 103 | u_long ifi_mtu; /* maximum transmission unit */ |
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| 104 | u_long ifi_metric; /* routing metric (external only) */ |
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| 105 | u_long ifi_baudrate; /* linespeed */ |
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| 106 | /* volatile statistics */ |
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| 107 | u_long ifi_ipackets; /* packets received on interface */ |
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| 108 | u_long ifi_ierrors; /* input errors on interface */ |
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| 109 | u_long ifi_opackets; /* packets sent on interface */ |
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| 110 | u_long ifi_oerrors; /* output errors on interface */ |
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| 111 | u_long ifi_collisions; /* collisions on csma interfaces */ |
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| 112 | u_long ifi_ibytes; /* total number of octets received */ |
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| 113 | u_long ifi_obytes; /* total number of octets sent */ |
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| 114 | u_long ifi_imcasts; /* packets received via multicast */ |
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| 115 | u_long ifi_omcasts; /* packets sent via multicast */ |
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| 116 | u_long ifi_iqdrops; /* dropped on input, this interface */ |
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| 117 | u_long ifi_noproto; /* destined for unsupported protocol */ |
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| 118 | u_long ifi_recvtiming; /* usec spent receiving when timing */ |
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| 119 | u_long ifi_xmittiming; /* usec spent xmitting when timing */ |
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| 120 | struct timeval ifi_lastchange; /* time of last administrative change */ |
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| 121 | }; |
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| 122 | |
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| 123 | #define IFF_UP 0x1 /* interface is up */ |
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| 124 | #define IFF_BROADCAST 0x2 /* broadcast address valid */ |
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| 125 | #define IFF_DEBUG 0x4 /* turn on debugging */ |
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| 126 | #define IFF_LOOPBACK 0x8 /* is a loopback net */ |
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| 127 | #define IFF_POINTOPOINT 0x10 /* interface is point-to-point link */ |
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[7a845a9e] | 128 | #define IFF_SMART 0x20 /* interface manages own routes */ |
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[39e6e65a] | 129 | #define IFF_RUNNING 0x40 /* resources allocated */ |
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| 130 | #define IFF_NOARP 0x80 /* no address resolution protocol */ |
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| 131 | #define IFF_PROMISC 0x100 /* receive all packets */ |
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| 132 | #define IFF_ALLMULTI 0x200 /* receive all multicast packets */ |
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[a3c06e11] | 133 | #define IFF_OACTIVE 0x400 /* tx hardware queue is full */ |
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[39e6e65a] | 134 | #define IFF_SIMPLEX 0x800 /* can't hear own transmissions */ |
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| 135 | #define IFF_LINK0 0x1000 /* per link layer defined bit */ |
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| 136 | #define IFF_LINK1 0x2000 /* per link layer defined bit */ |
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| 137 | #define IFF_LINK2 0x4000 /* per link layer defined bit */ |
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| 138 | #define IFF_ALTPHYS IFF_LINK2 /* use alternate physical connection */ |
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| 139 | #define IFF_MULTICAST 0x8000 /* supports multicast */ |
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[7a845a9e] | 140 | #define IFF_POLLING 0x10000 /* Interface is in polling mode. */ |
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| 141 | #define IFF_PPROMISC 0x20000 /* user-requested promisc mode */ |
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| 142 | #define IFF_MONITOR 0x40000 /* user-requested monitor mode */ |
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| 143 | #define IFF_STATICARP 0x80000 /* static ARP */ |
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| 144 | #define IFF_NEEDSGIANT 0x100000 /* hold Giant over if_start calls */ |
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[39e6e65a] | 145 | |
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| 146 | /* flags set internally only: */ |
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| 147 | #define IFF_CANTCHANGE \ |
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| 148 | (IFF_BROADCAST|IFF_POINTOPOINT|IFF_RUNNING|IFF_OACTIVE|\ |
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[7a845a9e] | 149 | IFF_SIMPLEX|IFF_MULTICAST|IFF_ALLMULTI|IFF_SMART|IFF_PROMISC|\ |
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| 150 | IFF_POLLING) |
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[39e6e65a] | 151 | |
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[88d99508] | 152 | /* |
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| 153 | * Values for if_link_state. |
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| 154 | */ |
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| 155 | #define LINK_STATE_UNKNOWN 0 /* link invalid/unknown */ |
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| 156 | #define LINK_STATE_DOWN 1 /* link is down */ |
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| 157 | #define LINK_STATE_UP 2 /* link is up */ |
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[39e6e65a] | 158 | |
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| 159 | /* |
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[88d99508] | 160 | * Some convenience macros used for setting ifi_baudrate. |
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| 161 | * XXX 1000 vs. 1024? --thorpej@netbsd.org |
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[39e6e65a] | 162 | */ |
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[88d99508] | 163 | #define IF_Kbps(x) ((x) * 1000) /* kilobits/sec. */ |
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| 164 | #define IF_Mbps(x) (IF_Kbps((x) * 1000)) /* megabits/sec. */ |
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| 165 | #define IF_Gbps(x) (IF_Mbps((x) * 1000)) /* gigabits/sec. */ |
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[39e6e65a] | 166 | |
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| 167 | #define IFQ_MAXLEN 50 |
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| 168 | #define IFNET_SLOWHZ 1 /* granularity is 1 second */ |
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| 169 | |
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| 170 | /* |
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| 171 | * Message format for use in obtaining information about interfaces |
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| 172 | * from getkerninfo and the routing socket |
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| 173 | */ |
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| 174 | struct if_msghdr { |
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| 175 | u_short ifm_msglen; /* to skip over non-understood messages */ |
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[cb97349] | 176 | u_char ifm_version; /* future binary compatibility */ |
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[39e6e65a] | 177 | u_char ifm_type; /* message type */ |
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| 178 | int ifm_addrs; /* like rtm_addrs */ |
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| 179 | int ifm_flags; /* value of if_flags */ |
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| 180 | u_short ifm_index; /* index for associated ifp */ |
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| 181 | struct if_data ifm_data;/* statistics and other data about if */ |
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| 182 | }; |
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| 183 | |
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| 184 | /* |
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| 185 | * Message format for use in obtaining information about interface addresses |
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| 186 | * from getkerninfo and the routing socket |
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| 187 | */ |
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| 188 | struct ifa_msghdr { |
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| 189 | u_short ifam_msglen; /* to skip over non-understood messages */ |
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[cb97349] | 190 | u_char ifam_version; /* future binary compatibility */ |
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[39e6e65a] | 191 | u_char ifam_type; /* message type */ |
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| 192 | int ifam_addrs; /* like rtm_addrs */ |
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| 193 | int ifam_flags; /* value of ifa_flags */ |
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| 194 | u_short ifam_index; /* index for associated ifp */ |
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| 195 | int ifam_metric; /* value of ifa_metric */ |
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| 196 | }; |
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| 197 | |
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[7554bb3] | 198 | /* forward declaration */ |
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| 199 | struct mbuf; |
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| 200 | |
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[39e6e65a] | 201 | /* |
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| 202 | * Interface request structure used for socket |
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| 203 | * ioctl's. All interface ioctl's must have parameter |
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| 204 | * definitions which begin with ifr_name. The |
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| 205 | * remainder may be interface specific. |
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| 206 | */ |
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| 207 | struct ifreq { |
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| 208 | char ifr_name[IFNAMSIZ]; /* if name, e.g. "en0" */ |
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| 209 | union { |
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| 210 | struct sockaddr ifru_addr; |
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| 211 | struct sockaddr ifru_dstaddr; |
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| 212 | struct sockaddr ifru_broadaddr; |
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[ef73cf30] | 213 | short ifru_flags[2]; |
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[ae5a79c3] | 214 | int32_t ifru_metric; |
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[cf04e8ac] | 215 | int32_t ifru_mtu; |
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[39e6e65a] | 216 | int ifru_phys; |
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| 217 | int ifru_media; |
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| 218 | caddr_t ifru_data; |
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[7554bb3] | 219 | int (*ifru_tap)(struct ifnet *, struct ether_header *, struct mbuf *); |
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[39e6e65a] | 220 | } ifr_ifru; |
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| 221 | #define ifr_addr ifr_ifru.ifru_addr /* address */ |
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| 222 | #define ifr_dstaddr ifr_ifru.ifru_dstaddr /* other end of p-to-p link */ |
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| 223 | #define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */ |
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[ef73cf30] | 224 | #define ifr_flags ifr_ifru.ifru_flags[0] /* flags (low 16 bits) */ |
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| 225 | #define ifr_flagshigh ifr_ifru.ifru_flags[1] /* flags (high 16 bits) */ |
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[39e6e65a] | 226 | #define ifr_metric ifr_ifru.ifru_metric /* metric */ |
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| 227 | #define ifr_mtu ifr_ifru.ifru_mtu /* mtu */ |
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| 228 | #define ifr_phys ifr_ifru.ifru_phys /* physical wire */ |
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| 229 | #define ifr_media ifr_ifru.ifru_media /* physical media */ |
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| 230 | #define ifr_data ifr_ifru.ifru_data /* for use by interface */ |
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[a3d0b8a] | 231 | #define ifr_tap ifr_ifru.ifru_tap /* tap function */ |
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[39e6e65a] | 232 | }; |
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| 233 | |
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| 234 | struct ifaliasreq { |
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| 235 | char ifra_name[IFNAMSIZ]; /* if name, e.g. "en0" */ |
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| 236 | struct sockaddr ifra_addr; |
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| 237 | struct sockaddr ifra_broadaddr; |
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| 238 | struct sockaddr ifra_mask; |
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| 239 | }; |
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| 240 | |
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| 241 | struct ifmediareq { |
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| 242 | char ifm_name[IFNAMSIZ]; /* if name, e.g. "en0" */ |
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| 243 | int ifm_current; /* current media options */ |
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| 244 | int ifm_mask; /* don't care mask */ |
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| 245 | int ifm_status; /* media status */ |
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| 246 | int ifm_active; /* active options */ |
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| 247 | int ifm_count; /* # entries in ifm_ulist array */ |
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| 248 | int *ifm_ulist; /* media words */ |
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| 249 | }; |
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[7a845a9e] | 250 | |
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| 251 | /* |
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| 252 | * Structure used to retrieve aux status data from interfaces. |
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| 253 | * Kernel suppliers to this interface should respect the formatting |
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| 254 | * needed by ifconfig(8): each line starts with a TAB and ends with |
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| 255 | * a newline. The canonical example to copy and paste is in if_tun.c. |
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| 256 | */ |
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| 257 | |
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| 258 | #define IFSTATMAX 800 /* 10 lines of text */ |
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| 259 | struct ifstat { |
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| 260 | char ifs_name[IFNAMSIZ]; /* if name, e.g. "en0" */ |
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| 261 | char ascii[IFSTATMAX + 1]; |
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| 262 | }; |
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| 263 | |
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[39e6e65a] | 264 | /* |
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| 265 | * Structure used in SIOCGIFCONF request. |
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| 266 | * Used to retrieve interface configuration |
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| 267 | * for machine (useful for programs which |
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| 268 | * must know all networks accessible). |
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| 269 | */ |
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| 270 | struct ifconf { |
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| 271 | int ifc_len; /* size of associated buffer */ |
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| 272 | union { |
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| 273 | caddr_t ifcu_buf; |
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| 274 | struct ifreq *ifcu_req; |
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| 275 | } ifc_ifcu; |
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| 276 | #define ifc_buf ifc_ifcu.ifcu_buf /* buffer address */ |
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| 277 | #define ifc_req ifc_ifcu.ifcu_req /* array of structures returned */ |
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| 278 | }; |
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[7a845a9e] | 279 | #endif /* __BSD_VISIBLE */ |
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[39e6e65a] | 280 | |
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[dc28f16] | 281 | #ifdef _KERNEL |
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[39e6e65a] | 282 | |
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[88d99508] | 283 | /* XXX - this should go away soon. */ |
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| 284 | #include <net/if_var.h> |
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[39e6e65a] | 285 | |
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[508cd3a1] | 286 | void ifafree(struct ifaddr *); |
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[39e6e65a] | 287 | |
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[508cd3a1] | 288 | int looutput(struct ifnet *, |
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| 289 | struct mbuf *, struct sockaddr *, struct rtentry *); |
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[88d99508] | 290 | #endif |
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[39e6e65a] | 291 | |
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| 292 | #endif /* !_NET_IF_H_ */ |
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