1 /* $NetBSD: net.h,v 1.10 1995/10/20 00:46:30 cgd 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. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * $FreeBSD$ 37 */ 38 39 #ifndef _STAND_NET_H 40 #define _STAND_NET_H 41 #ifndef _KERNEL /* XXX - see <netinet/in.h> */ 42 #undef __IPADDR 43 #define __IPADDR(x) htonl((uint32_t)(x)) 44 #endif 45 46 #include "iodesc.h" 47 48 #define BA { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff } 49 50 enum net_proto { 51 NET_NONE, 52 NET_NFS, 53 NET_TFTP 54 }; 55 56 /* Returns true if n_long's on the same net */ 57 #define SAMENET(a1, a2, m) ((a1.s_addr & m) == (a2.s_addr & m)) 58 59 #define MACPY(s, d) bcopy((char *)s, (char *)d, 6) 60 61 #define MAXTMO 120 /* seconds */ 62 #define MINTMO 2 /* seconds */ 63 64 #define FNAME_SIZE 128 65 #define IFNAME_SIZE 16 66 #define RECV_SIZE 1536 /* XXX delete this */ 67 68 /* 69 * How much room to leave for headers: 70 * 14: struct ether_header 71 * 20: struct ip 72 * 8: struct udphdr 73 * That's 42 but let's pad it out to 48 bytes. 74 */ 75 #define ETHER_SIZE 14 76 #define HEADER_SIZE 48 77 78 extern u_char bcea[6]; 79 extern char rootpath[FNAME_SIZE]; 80 extern char bootfile[FNAME_SIZE]; 81 extern char hostname[FNAME_SIZE]; 82 extern int hostnamelen; 83 extern char domainname[FNAME_SIZE]; 84 extern int domainnamelen; 85 extern int netproto; 86 extern char ifname[IFNAME_SIZE]; 87 88 /* All of these are in network order. */ 89 extern struct in_addr myip; 90 extern struct in_addr rootip; 91 extern struct in_addr swapip; 92 extern struct in_addr gateip; 93 extern struct in_addr nameip; 94 extern struct in_addr servip; 95 extern n_long netmask; 96 extern u_int intf_mtu; 97 98 extern int debug; /* defined in the machdep sources */ 99 100 extern struct iodesc sockets[SOPEN_MAX]; 101 102 /* ARP/RevARP functions: */ 103 u_char *arpwhohas(struct iodesc *, struct in_addr); 104 void arp_reply(struct iodesc *, void *); 105 int rarp_getipaddress(int); 106 107 /* Link functions: */ 108 ssize_t sendether(struct iodesc *d, void *pkt, size_t len, 109 u_char *dea, int etype); 110 ssize_t readether(struct iodesc *, void **, void **, time_t, uint16_t *); 111 112 ssize_t sendip(struct iodesc *, void *, size_t, uint8_t); 113 ssize_t readip(struct iodesc *, void **, void **, time_t, uint8_t); 114 ssize_t sendudp(struct iodesc *, void *, size_t); 115 ssize_t readudp(struct iodesc *, void **, void **, time_t); 116 ssize_t sendrecv(struct iodesc *, 117 ssize_t (*)(struct iodesc *, void *, size_t), 118 void *, size_t, 119 ssize_t (*)(struct iodesc *, void **, void **, time_t, 120 void *), 121 void **, void **, void *); 122 123 /* bootp/DHCP */ 124 void bootp(int); 125 126 /* Utilities: */ 127 char *ether_sprintf(u_char *); 128 int in_cksum(void *, int); 129 char *inet_ntoa(struct in_addr); 130 char *intoa(n_long); /* similar to inet_ntoa */ 131 n_long inet_addr(char *); 132 133 #endif /* ! _STAND_NET_H */ 134