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Annotation of sys/lib/libsa/net.h, Revision 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);