net.h revision 301056
1193326Sed/* $NetBSD: net.h,v 1.10 1995/10/20 00:46:30 cgd Exp $ */ 2193326Sed 3353358Sdim/* 4353358Sdim * Copyright (c) 1993 Adam Glass 5353358Sdim * Copyright (c) 1992 Regents of the University of California. 6193326Sed * All rights reserved. 7193326Sed * 8193326Sed * This software was developed by the Computer Systems Engineering group 9280031Sdim * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 10280031Sdim * contributed to Berkeley. 11193326Sed * 12193326Sed * Redistribution and use in source and binary forms, with or without 13193326Sed * modification, are permitted provided that the following conditions 14193326Sed * are met: 15193326Sed * 1. Redistributions of source code must retain the above copyright 16193326Sed * notice, this list of conditions and the following disclaimer. 17193326Sed * 2. Redistributions in binary form must reproduce the above copyright 18193326Sed * notice, this list of conditions and the following disclaimer in the 19193326Sed * documentation and/or other materials provided with the distribution. 20193326Sed * 4. Neither the name of the University nor the names of its contributors 21280031Sdim * may be used to endorse or promote products derived from this software 22193326Sed * without specific prior written permission. 23360784Sdim * 24360784Sdim * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25193326Sed * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26193326Sed * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27249423Sdim * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28249423Sdim * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29249423Sdim * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30249423Sdim * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31193326Sed * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32193326Sed * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33193326Sed * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34193326Sed * SUCH DAMAGE. 35193326Sed * 36193326Sed * $FreeBSD: stable/10/lib/libstand/net.h 301056 2016-05-31 17:01:54Z ian $ 37193326Sed */ 38 39#ifndef _KERNEL /* XXX - see <netinet/in.h> */ 40#undef __IPADDR 41#define __IPADDR(x) htonl((u_int32_t)(x)) 42#endif 43 44#include "iodesc.h" 45 46#define BA { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff } 47 48/* Returns true if n_long's on the same net */ 49#define SAMENET(a1, a2, m) ((a1.s_addr & m) == (a2.s_addr & m)) 50 51#define MACPY(s, d) bcopy((char *)s, (char *)d, 6) 52 53#define MAXTMO 120 /* seconds */ 54#define MINTMO 2 /* seconds */ 55 56#define FNAME_SIZE 128 57#define IFNAME_SIZE 16 58#define RECV_SIZE 1536 /* XXX delete this */ 59 60/* 61 * How much room to leave for headers: 62 * 14: struct ether_header 63 * 20: struct ip 64 * 8: struct udphdr 65 * That's 42 but let's pad it out to 48 bytes. 66 */ 67#define ETHER_SIZE 14 68#define HEADER_SIZE 48 69 70extern u_char bcea[6]; 71extern char rootpath[FNAME_SIZE]; 72extern char bootfile[FNAME_SIZE]; 73extern char hostname[FNAME_SIZE]; 74extern int hostnamelen; 75extern char domainname[FNAME_SIZE]; 76extern int domainnamelen; 77extern char ifname[IFNAME_SIZE]; 78 79/* All of these are in network order. */ 80extern struct in_addr myip; 81extern struct in_addr rootip; 82extern struct in_addr swapip; 83extern struct in_addr gateip; 84extern struct in_addr nameip; 85extern n_long netmask; 86extern u_int intf_mtu; 87 88extern int debug; /* defined in the machdep sources */ 89 90extern struct iodesc sockets[SOPEN_MAX]; 91 92/* ARP/RevARP functions: */ 93u_char *arpwhohas(struct iodesc *, struct in_addr); 94void arp_reply(struct iodesc *, void *); 95int rarp_getipaddress(int); 96 97/* Link functions: */ 98ssize_t sendether(struct iodesc *d, void *pkt, size_t len, 99 u_char *dea, int etype); 100ssize_t readether(struct iodesc *d, void *pkt, size_t len, 101 time_t tleft, u_int16_t *etype); 102 103ssize_t sendudp(struct iodesc *, void *, size_t); 104ssize_t readudp(struct iodesc *, void *, size_t, time_t); 105ssize_t sendrecv(struct iodesc *, 106 ssize_t (*)(struct iodesc *, void *, size_t), 107 void *, size_t, 108 ssize_t (*)(struct iodesc *, void *, size_t, time_t), 109 void *, size_t); 110 111/* bootp/DHCP */ 112void bootp(int, int); 113 114/* Utilities: */ 115char *ether_sprintf(u_char *); 116int in_cksum(void *, int); 117char *inet_ntoa(struct in_addr); 118char *intoa(n_long); /* similar to inet_ntoa */ 119n_long inet_addr(char *); 120 121/* Machine-dependent functions: */ 122time_t getsecs(void); 123