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. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 #ifndef _STAND_NET_H 36 #define _STAND_NET_H 37 #ifndef _KERNEL /* XXX - see <netinet/in.h> */ 38 #undef __IPADDR 39 #define __IPADDR(x) htonl((u_int32_t)(x)) 40 #endif 41 42 #include "iodesc.h" 43 44 #define BA { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff } 45 46 enum net_proto { 47 NET_NONE, 48 NET_NFS, 49 NET_TFTP 50 }; 51 52 /* Returns true if n_long's on the same net */ 53 #define SAMENET(a1, a2, m) ((a1.s_addr & m) == (a2.s_addr & m)) 54 55 #define MACPY(s, d) bcopy((char *)s, (char *)d, 6) 56 57 #define MAXTMO 120 /* seconds */ 58 #define MINTMO 2 /* seconds */ 59 60 #define FNAME_SIZE 128 61 #define IFNAME_SIZE 16 62 #define RECV_SIZE 1536 /* XXX delete this */ 63 64 /* 65 * How much room to leave for headers: 66 * 14: struct ether_header 67 * 20: struct ip 68 * 8: struct udphdr 69 * That's 42 but let's pad it out to 48 bytes. 70 */ 71 #define ETHER_SIZE 14 72 #define HEADER_SIZE 48 73 74 extern u_char bcea[6]; 75 extern char rootpath[FNAME_SIZE]; 76 extern char bootfile[FNAME_SIZE]; 77 extern char hostname[FNAME_SIZE]; 78 extern int hostnamelen; 79 extern char domainname[FNAME_SIZE]; 80 extern int domainnamelen; 81 extern int netproto; 82 extern char ifname[IFNAME_SIZE]; 83 84 /* All of these are in network order. */ 85 extern struct in_addr myip; 86 extern struct in_addr rootip; 87 extern struct in_addr swapip; 88 extern struct in_addr gateip; 89 extern struct in_addr nameip; 90 extern struct in_addr tftpip; 91 extern n_long netmask; 92 extern u_int intf_mtu; 93 94 extern int debug; /* defined in the machdep sources */ 95 96 /* ARP/RevARP functions: */ 97 u_char *arpwhohas(struct iodesc *, struct in_addr); 98 void arp_reply(struct iodesc *, void *); 99 int rarp_getipaddress(int); 100 101 /* Link functions: */ 102 ssize_t sendether(struct iodesc *d, void *pkt, size_t len, 103 u_char *dea, int etype); 104 ssize_t readether(struct iodesc *, void **, void **, time_t, u_int16_t *); 105 106 ssize_t sendip(struct iodesc *, void *, size_t, uint8_t); 107 ssize_t readip(struct iodesc *, void **, void **, time_t, uint8_t); 108 ssize_t sendudp(struct iodesc *, void *, size_t); 109 ssize_t readudp(struct iodesc *, void **, void **, time_t); 110 ssize_t sendrecv(struct iodesc *, 111 ssize_t (*)(struct iodesc *, void *, size_t), 112 void *, size_t, 113 ssize_t (*)(struct iodesc *, void **, void **, time_t, 114 void *), 115 void **, void **, void *); 116 117 /* bootp/DHCP */ 118 void bootp(int); 119 120 /* Utilities: */ 121 char *ether_sprintf(u_char *); 122 int in_cksum(void *, int); 123 char *inet_ntoa(struct in_addr); 124 char *intoa(n_long); /* similar to inet_ntoa */ 125 n_long inet_addr(char *); 126 127 #endif /* ! _STAND_NET_H */ 128