1 /* $NetBSD: net.h,v 1.3 1995/02/20 11:04:10 mycroft Exp $ */ 2 3 /* 4 * Copyright (c) 1993 Adam Glass 5 * Copyright (c) 1992 Regents of the University of California. 6 * All rights reserved. 7 * 8 * This software was developed by the Computer Systems Engineering group 9 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 10 * contributed to Berkeley. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the University of 23 * California, Lawrence Berkeley Laboratory and its contributors. 24 * 4. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 */ 40 41 #include "iodesc.h" 42 43 #define BA { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff } 44 45 /* Returns true if n_long's on the same net */ 46 #define SAMENET(a1, a2, m) ((a1 & m) == (a2 & m)) 47 48 #define MACPY(s, d) bcopy((char *)s, (char *)d, 6) 49 50 #define MAXTMO 20 /* seconds */ 51 #define MINTMO 2 /* seconds */ 52 53 #define FNAME_SIZE 128 54 #define IFNAME_SIZE 16 55 #define RECV_SIZE 1536 /* XXX delete this */ 56 57 /* Size of struct ether_header + struct ip + struct udphdr */ 58 #define ETHER_SIZE 14 59 #define HEADER_SIZE (ETHER_SIZE + 20 + 8) 60 61 extern u_char bcea[6]; 62 extern char rootpath[FNAME_SIZE]; 63 extern char bootfile[FNAME_SIZE]; 64 extern char hostname[FNAME_SIZE]; 65 extern char domainname[FNAME_SIZE]; 66 extern char ifname[IFNAME_SIZE]; 67 68 extern n_long myip; 69 extern n_long rootip; 70 extern n_long swapip; 71 extern n_long gateip; 72 extern n_long nameip; 73 extern n_long mask; 74 75 extern int debug; /* defined in the machdep sources */ 76 77 extern struct iodesc sockets[SOPEN_MAX]; 78 79 /* ARP functions: */ 80 81 u_char *arpwhohas __P((struct iodesc *, n_long)); 82 83 size_t sendether __P((struct iodesc *, void *, size_t, u_char *, int)); 84 size_t readether __P((struct iodesc *, void *, size_t, time_t)); 85 size_t sendudp __P((struct iodesc *, void *, size_t)); 86 size_t readudp __P((struct iodesc *, void *, size_t, time_t)); 87 size_t sendrecv __P((struct iodesc *, size_t (*)(struct iodesc *, void *, size_t), 88 void *, size_t, size_t (*)(struct iodesc *, void *, size_t, time_t), 89 void *, size_t)); 90 91 /* utilties: */ 92 93 char *ether_sprintf __P((u_char *)); 94 int in_cksum __P((void *, int)); 95 char *intoa __P((n_long)); /* similar to inet_ntoa */ 96 97 /* Machine-dependent functions: */ 98 99 time_t getsecs __P((void)); 100