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Annotation of sys/lib/libsa/net.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: net.h,v 1.7 2003/08/11 06:23:09 deraadt Exp $ */
                      2: /*     $NetBSD: net.h,v 1.10 1995/10/20 00:46:30 cgd Exp $     */
                      3:
                      4: /*
                      5:  * Copyright (c) 1993 Adam Glass
                      6:  * Copyright (c) 1992 Regents of the University of California.
                      7:  * All rights reserved.
                      8:  *
                      9:  * This software was developed by the Computer Systems Engineering group
                     10:  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
                     11:  * contributed to Berkeley.
                     12:  *
                     13:  * Redistribution and use in source and binary forms, with or without
                     14:  * modification, are permitted provided that the following conditions
                     15:  * are met:
                     16:  * 1. Redistributions of source code must retain the above copyright
                     17:  *    notice, this list of conditions and the following disclaimer.
                     18:  * 2. Redistributions in binary form must reproduce the above copyright
                     19:  *    notice, this list of conditions and the following disclaimer in the
                     20:  *    documentation and/or other materials provided with the distribution.
                     21:  * 3. All advertising materials mentioning features or use of this software
                     22:  *    must display the following acknowledgement:
                     23:  *     This product includes software developed by the University of
                     24:  *     California, Lawrence Berkeley Laboratory and its contributors.
                     25:  * 4. Neither the name of the University nor the names of its contributors
                     26:  *    may be used to endorse or promote products derived from this software
                     27:  *    without specific prior written permission.
                     28:  *
                     29:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     30:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     31:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     32:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     33:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     34:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     35:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     36:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     37:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     38:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     39:  * SUCH DAMAGE.
                     40:  */
                     41:
                     42: #ifndef _KERNEL        /* XXX - see <netinet/in.h> */
                     43: #undef __IPADDR
                     44: #define __IPADDR(x)    htonl((u_int32_t)(x))
                     45: #endif
                     46:
                     47: #include "iodesc.h"
                     48:
                     49: #define BA { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }
                     50:
                     51: /* Returns true if n_long's on the same net */
                     52: #define        SAMENET(a1, a2, m) ((a1.s_addr & m) == (a2.s_addr & m))
                     53:
                     54: #define MACPY(s, d) bcopy((char *)s, (char *)d, 6)
                     55:
                     56: #define MAXTMO 20      /* seconds */
                     57: #define MINTMO 2       /* seconds */
                     58:
                     59: #define FNAME_SIZE 128
                     60: #define        IFNAME_SIZE 16
                     61: #define RECV_SIZE 1536 /* XXX delete this */
                     62:
                     63: /*
                     64:  * How much room to leave for headers:
                     65:  *  14: struct ether_header
                     66:  *  20: struct ip
                     67:  *   8: struct udphdr
                     68:  * That's 42 but let's pad it out to 48 bytes.
                     69:  */
                     70: #define ETHER_SIZE 14
                     71: #define        HEADER_SIZE 48
                     72:
                     73: extern u_char bcea[6];
                     74: extern char rootpath[FNAME_SIZE];
                     75: extern char bootfile[FNAME_SIZE];
                     76: extern char hostname[FNAME_SIZE];
                     77: extern int hostnamelen;
                     78: extern char domainname[FNAME_SIZE];
                     79: extern int domainnamelen;
                     80: extern char ifname[IFNAME_SIZE];
                     81:
                     82: /* All of these are in network order. */
                     83: extern struct in_addr myip;
                     84: extern struct in_addr rootip;
                     85: extern struct in_addr swapip;
                     86: extern struct in_addr gateip;
                     87: extern struct in_addr nameip;
                     88: extern n_long netmask;
                     89:
                     90: extern int debug;                      /* defined in the machdep sources */
                     91:
                     92: extern struct iodesc sockets[SOPEN_MAX];
                     93:
                     94: /* ARP/RevARP functions: */
                     95: u_char *arpwhohas(struct iodesc *, struct in_addr);
                     96: void   arp_reply(struct iodesc *, void *);
                     97: int    rarp_getipaddress(int);
                     98: n_long ip_convertaddr(char *);
                     99:
                    100: /* Link functions: */
                    101: ssize_t sendether(struct iodesc *d, void *pkt, size_t len,
                    102:            u_char *dea, int etype);
                    103: ssize_t readether(struct iodesc *d, void *pkt, size_t len,
                    104:            time_t tleft, u_int16_t *etype);
                    105:
                    106: ssize_t        sendudp(struct iodesc *, void *, size_t);
                    107: ssize_t        readudp(struct iodesc *, void *, size_t, time_t);
                    108: ssize_t        sendrecv(struct iodesc *,
                    109:            ssize_t (*)(struct iodesc *, void *, size_t), void *, size_t,
                    110:            ssize_t (*)(struct iodesc *, void *, size_t, time_t),
                    111:            void *, size_t);
                    112:
                    113: /* Utilities: */
                    114: char   *ether_sprintf(u_char *);
                    115: int    in_cksum(void *, int);
                    116: char   *inet_ntoa(struct in_addr);
                    117: char   *intoa(n_long);         /* similar to inet_ntoa */
                    118: n_long inet_addr(char *);
                    119:
                    120: /* Machine-dependent functions: */
                    121: time_t getsecs(void);