1 /* $NetBSD: net.h,v 1.13 1999/05/07 14:49:56 drochner 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 #ifndef _KERNEL /* XXX - see <netinet/in.h> */ 42 #undef __IPADDR 43 #define __IPADDR(x) htonl((u_int32_t)(x)) 44 #endif 45 46 #include "iodesc.h" 47 48 #define BA { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff } 49 50 /* Returns true if n_long's on the same net */ 51 #define SAMENET(a1, a2, m) ((a1.s_addr & m) == (a2.s_addr & m)) 52 53 #define MACPY(s, d) bcopy((char *)s, (char *)d, 6) 54 55 #define MAXTMO 20 /* seconds */ 56 #define MINTMO 2 /* seconds */ 57 58 #define FNAME_SIZE 128 59 #define IFNAME_SIZE 16 60 #define RECV_SIZE 1536 /* XXX delete this */ 61 62 /* 63 * How much room to leave for headers: 64 * 14: struct ether_header 65 * 20: struct ip 66 * 8: struct udphdr 67 * That's 42 but let's pad it out to 48 bytes. 68 */ 69 #define ETHER_SIZE 14 70 #define HEADER_SIZE 48 71 72 extern u_char bcea[6]; 73 extern char rootpath[FNAME_SIZE]; 74 extern char bootfile[FNAME_SIZE]; 75 extern char hostname[FNAME_SIZE]; 76 extern int hostnamelen; 77 extern char domainname[FNAME_SIZE]; 78 extern int domainnamelen; 79 extern char ifname[IFNAME_SIZE]; 80 81 /* All of these are in network order. */ 82 extern struct in_addr myip; 83 extern struct in_addr rootip; 84 extern struct in_addr swapip; 85 extern struct in_addr gateip; 86 extern struct in_addr nameip; 87 extern n_long netmask; 88 89 extern int debug; /* defined in the machdep sources */ 90 91 extern struct iodesc sockets[SOPEN_MAX]; 92 93 /* ARP/RevARP functions: */ 94 u_char *arpwhohas __P((struct iodesc *, struct in_addr)); 95 void arp_reply __P((struct iodesc *, void *)); 96 int rarp_getipaddress __P((int)); 97 98 /* Link functions: */ 99 ssize_t sendether __P((struct iodesc *d, void *pkt, size_t len, 100 u_char *dea, int etype)); 101 ssize_t readether __P((struct iodesc *d, void *pkt, size_t len, 102 time_t tleft, u_int16_t *etype)); 103 104 ssize_t sendudp __P((struct iodesc *, void *, size_t)); 105 ssize_t readudp __P((struct iodesc *, void *, size_t, time_t)); 106 ssize_t sendrecv __P((struct iodesc *, 107 ssize_t (*)(struct iodesc *, void *, size_t), 108 void *, size_t, 109 ssize_t (*)(struct iodesc *, void *, size_t, time_t), 110 void *, size_t)); 111 112 /* Utilities: */ 113 char *ether_sprintf __P((u_char *)); 114 int in_cksum __P((void *, int)); 115 int in_cksum __P((void *, int)); 116 117 /* Machine-dependent functions: */ 118 time_t getsecs __P((void)); 119