mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-21 11:13:30 +00:00
f657d618ce
return from sendrecv probably means a failure to boot we might as well be generous in the timeout period.
122 lines
4.0 KiB
C
122 lines
4.0 KiB
C
/* $NetBSD: net.h,v 1.10 1995/10/20 00:46:30 cgd Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1993 Adam Glass
|
|
* Copyright (c) 1992 Regents of the University of California.
|
|
* All rights reserved.
|
|
*
|
|
* This software was developed by the Computer Systems Engineering group
|
|
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
|
|
* contributed to Berkeley.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef _KERNEL /* XXX - see <netinet/in.h> */
|
|
#undef __IPADDR
|
|
#define __IPADDR(x) htonl((u_int32_t)(x))
|
|
#endif
|
|
|
|
#include "iodesc.h"
|
|
|
|
#define BA { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }
|
|
|
|
/* Returns true if n_long's on the same net */
|
|
#define SAMENET(a1, a2, m) ((a1.s_addr & m) == (a2.s_addr & m))
|
|
|
|
#define MACPY(s, d) bcopy((char *)s, (char *)d, 6)
|
|
|
|
#define MAXTMO 120 /* seconds */
|
|
#define MINTMO 2 /* seconds */
|
|
|
|
#define FNAME_SIZE 128
|
|
#define IFNAME_SIZE 16
|
|
#define RECV_SIZE 1536 /* XXX delete this */
|
|
|
|
/*
|
|
* How much room to leave for headers:
|
|
* 14: struct ether_header
|
|
* 20: struct ip
|
|
* 8: struct udphdr
|
|
* That's 42 but let's pad it out to 48 bytes.
|
|
*/
|
|
#define ETHER_SIZE 14
|
|
#define HEADER_SIZE 48
|
|
|
|
extern u_char bcea[6];
|
|
extern char rootpath[FNAME_SIZE];
|
|
extern char bootfile[FNAME_SIZE];
|
|
extern char hostname[FNAME_SIZE];
|
|
extern int hostnamelen;
|
|
extern char domainname[FNAME_SIZE];
|
|
extern int domainnamelen;
|
|
extern char ifname[IFNAME_SIZE];
|
|
|
|
/* All of these are in network order. */
|
|
extern struct in_addr myip;
|
|
extern struct in_addr rootip;
|
|
extern struct in_addr swapip;
|
|
extern struct in_addr gateip;
|
|
extern struct in_addr nameip;
|
|
extern n_long netmask;
|
|
|
|
extern int debug; /* defined in the machdep sources */
|
|
|
|
extern struct iodesc sockets[SOPEN_MAX];
|
|
|
|
/* ARP/RevARP functions: */
|
|
u_char *arpwhohas(struct iodesc *, struct in_addr);
|
|
void arp_reply(struct iodesc *, void *);
|
|
int rarp_getipaddress(int);
|
|
|
|
/* Link functions: */
|
|
ssize_t sendether(struct iodesc *d, void *pkt, size_t len,
|
|
u_char *dea, int etype);
|
|
ssize_t readether(struct iodesc *d, void *pkt, size_t len,
|
|
time_t tleft, u_int16_t *etype);
|
|
|
|
ssize_t sendudp(struct iodesc *, void *, size_t);
|
|
ssize_t readudp(struct iodesc *, void *, size_t, time_t);
|
|
ssize_t sendrecv(struct iodesc *,
|
|
ssize_t (*)(struct iodesc *, void *, size_t),
|
|
void *, size_t,
|
|
ssize_t (*)(struct iodesc *, void *, size_t, time_t),
|
|
void *, size_t);
|
|
|
|
/* bootp/DHCP */
|
|
void bootp(int, int);
|
|
|
|
/* Utilities: */
|
|
char *ether_sprintf(u_char *);
|
|
int in_cksum(void *, int);
|
|
char *inet_ntoa(struct in_addr);
|
|
char *intoa(n_long); /* similar to inet_ntoa */
|
|
n_long inet_addr(char *);
|
|
|
|
/* Machine-dependent functions: */
|
|
time_t getsecs(void);
|