1 /* 2 * Copyright (c) 1993 Adam Glass 3 * Copyright (c) 1992 Regents of the University of California. 4 * All rights reserved. 5 * 6 * This software was developed by the Computer Systems Engineering group 7 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 8 * contributed to Berkeley. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the University of 21 * California, Lawrence Berkeley Laboratory and its contributors. 22 * 4. Neither the name of the University nor the names of its contributors 23 * may be used to endorse or promote products derived from this software 24 * without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * $Id: net.h,v 1.1 1994/05/08 16:11:28 brezak Exp $ 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 int sendether __P((struct iodesc *, void *, int, u_char *, int)); 84 int sendudp __P((struct iodesc *, void *, int)); 85 int recvudp __P((struct iodesc *, void *, int, time_t)); 86 int sendrecv __P((struct iodesc *, int (*)(struct iodesc *, void *, int), 87 void *, int, int (*)(struct iodesc *, void *, int), void *, int)); 88 void *checkudp __P((struct iodesc *, void *, int *)); 89 90 /* utilties: */ 91 92 char *ether_sprintf __P((u_char *)); 93 int in_cksum __P((void *, int)); 94 char *intoa __P((n_long)); /* similar to inet_ntoa */ 95 96 /* Machine-dependent functions: */ 97 98 time_t getsecs __P((void)); 99