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 37 #ifndef _STAND_NET_H 38 #define _STAND_NET_H 39 #ifndef _KERNEL /* XXX - see <netinet/in.h> */ 40 #undef __IPADDR 41 #define __IPADDR(x) htonl((uint32_t)(x)) 42 #endif 43 44 #include "iodesc.h" 45 46 #define BA { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff } 47 48 enum net_proto { 49 NET_NONE, 50 NET_NFS, 51 NET_TFTP 52 }; 53 54 /* Returns true if n_long's on the same net */ 55 #define SAMENET(a1, a2, m) ((a1.s_addr & m) == (a2.s_addr & m)) 56 57 #define MACPY(s, d) bcopy((char *)s, (char *)d, 6) 58 59 #define MAXTMO 120 /* seconds */ 60 #define MINTMO 2 /* seconds */ 61 62 #define FNAME_SIZE 128 63 #define IFNAME_SIZE 16 64 #define RECV_SIZE 1536 /* XXX delete this */ 65 66 /* 67 * How much room to leave for headers: 68 * 14: struct ether_header 69 * 20: struct ip 70 * 8: struct udphdr 71 * That's 42 but let's pad it out to 48 bytes. 72 */ 73 #define ETHER_SIZE 14 74 #define HEADER_SIZE 48 75 76 extern u_char bcea[6]; 77 extern char rootpath[FNAME_SIZE]; 78 extern char bootfile[FNAME_SIZE]; 79 extern char hostname[FNAME_SIZE]; 80 extern int hostnamelen; 81 extern char domainname[FNAME_SIZE]; 82 extern int domainnamelen; 83 extern int netproto; 84 extern char ifname[IFNAME_SIZE]; 85 86 /* All of these are in network order. */ 87 extern struct in_addr myip; 88 extern struct in_addr rootip; 89 extern struct in_addr swapip; 90 extern struct in_addr gateip; 91 extern struct in_addr nameip; 92 extern struct in_addr servip; 93 extern n_long netmask; 94 extern u_int intf_mtu; 95 96 extern int debug; /* defined in the machdep sources */ 97 98 /* ARP/RevARP functions: */ 99 u_char *arpwhohas(struct iodesc *, struct in_addr); 100 void arp_reply(struct iodesc *, void *); 101 int rarp_getipaddress(int); 102 103 /* Link functions: */ 104 ssize_t sendether(struct iodesc *d, void *pkt, size_t len, 105 u_char *dea, int etype); 106 ssize_t readether(struct iodesc *, void **, void **, time_t, uint16_t *); 107 108 ssize_t sendip(struct iodesc *, void *, size_t, uint8_t); 109 ssize_t readip(struct iodesc *, void **, void **, time_t, uint8_t); 110 ssize_t sendudp(struct iodesc *, void *, size_t); 111 ssize_t readudp(struct iodesc *, void **, void **, time_t); 112 ssize_t sendrecv(struct iodesc *, 113 ssize_t (*)(struct iodesc *, void *, size_t), 114 void *, size_t, 115 ssize_t (*)(struct iodesc *, void **, void **, time_t, 116 void *), 117 void **, void **, void *); 118 119 /* bootp/DHCP */ 120 void bootp(int); 121 122 /* Utilities: */ 123 char *ether_sprintf(u_char *); 124 int in_cksum(void *, int); 125 char *inet_ntoa(struct in_addr); 126 char *intoa(n_long); /* similar to inet_ntoa */ 127 n_long inet_addr(char *); 128 129 #endif /* ! _STAND_NET_H */ 130