dev_net.c revision 1.2.4.3
1 1.2.4.3 skrll /* $NetBSD: dev_net.c,v 1.2.4.3 2004/09/18 14:34:58 skrll Exp $ */ 2 1.2.4.2 skrll 3 1.2.4.2 skrll /* 4 1.2.4.2 skrll * Copyright (c) 2003 Naoto Shimazaki. 5 1.2.4.2 skrll * All rights reserved. 6 1.2.4.2 skrll * 7 1.2.4.2 skrll * Redistribution and use in source and binary forms, with or without 8 1.2.4.2 skrll * modification, are permitted provided that the following conditions 9 1.2.4.2 skrll * are met: 10 1.2.4.2 skrll * 1. Redistributions of source code must retain the above copyright 11 1.2.4.2 skrll * notice, this list of conditions and the following disclaimer. 12 1.2.4.2 skrll * 2. Redistributions in binary form must reproduce the above copyright 13 1.2.4.2 skrll * notice, this list of conditions and the following disclaimer in the 14 1.2.4.2 skrll * documentation and/or other materials provided with the distribution. 15 1.2.4.2 skrll * 16 1.2.4.2 skrll * THIS SOFTWARE IS PROVIDED BY NAOTO SHIMAZAKI AND CONTRIBUTORS ``AS IS'' 17 1.2.4.2 skrll * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 18 1.2.4.2 skrll * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 1.2.4.2 skrll * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE NAOTO OR CONTRIBUTORS BE 20 1.2.4.2 skrll * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 1.2.4.2 skrll * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 1.2.4.2 skrll * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 1.2.4.2 skrll * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 1.2.4.2 skrll * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 1.2.4.2 skrll * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 26 1.2.4.2 skrll * THE POSSIBILITY OF SUCH DAMAGE. 27 1.2.4.2 skrll */ 28 1.2.4.2 skrll #include <sys/cdefs.h> 29 1.2.4.3 skrll __KERNEL_RCSID(0, "$NetBSD: dev_net.c,v 1.2.4.3 2004/09/18 14:34:58 skrll Exp $"); 30 1.2.4.2 skrll 31 1.2.4.2 skrll #include <sys/param.h> 32 1.2.4.2 skrll #include <sys/types.h> 33 1.2.4.2 skrll #include <netinet/in.h> 34 1.2.4.2 skrll 35 1.2.4.2 skrll #include <lib/libsa/stand.h> 36 1.2.4.2 skrll #include <lib/libsa/bootp.h> 37 1.2.4.2 skrll #include <lib/libkern/libkern.h> 38 1.2.4.2 skrll #include <machine/stdarg.h> 39 1.2.4.2 skrll 40 1.2.4.2 skrll #include "extern.h" 41 1.2.4.2 skrll 42 1.2.4.2 skrll extern struct in_addr servip; 43 1.2.4.2 skrll 44 1.2.4.2 skrll static int netdev_sock = -1; 45 1.2.4.2 skrll 46 1.2.4.2 skrll int 47 1.2.4.2 skrll net_strategy(void *devdata, int rw, daddr_t blk, 48 1.2.4.2 skrll size_t size, void *buf , size_t *rsize) 49 1.2.4.2 skrll { 50 1.2.4.2 skrll return EIO; 51 1.2.4.2 skrll } 52 1.2.4.2 skrll 53 1.2.4.2 skrll int 54 1.2.4.2 skrll net_open(struct open_file *f, ...) 55 1.2.4.2 skrll { 56 1.2.4.2 skrll char *fname; 57 1.2.4.2 skrll char **file; 58 1.2.4.2 skrll struct iodesc *s; 59 1.2.4.2 skrll va_list ap; 60 1.2.4.2 skrll 61 1.2.4.2 skrll va_start(ap, f); 62 1.2.4.2 skrll fname = va_arg(ap, char *); 63 1.2.4.2 skrll file = va_arg(ap, char **); 64 1.2.4.2 skrll va_end(ap); 65 1.2.4.2 skrll 66 1.2.4.2 skrll f->f_devdata = &netdev_sock; 67 1.2.4.2 skrll netdev_sock = netif_open(NULL); 68 1.2.4.2 skrll 69 1.2.4.2 skrll bootfile[0] = '\0'; 70 1.2.4.2 skrll if (bootopts.b_flags & B_F_USE_BOOTP) { 71 1.2.4.2 skrll s = socktodesc(netdev_sock); 72 1.2.4.2 skrll bootp(netdev_sock); 73 1.2.4.2 skrll if (fname[0] != '\0') 74 1.2.4.2 skrll strlcpy(bootfile, fname, sizeof bootfile); 75 1.2.4.2 skrll } else { 76 1.2.4.2 skrll s = socktodesc(netdev_sock); 77 1.2.4.2 skrll 78 1.2.4.2 skrll servip = s->destip = bootopts.b_remote_ip; 79 1.2.4.2 skrll myip = s->myip = bootopts.b_local_ip; 80 1.2.4.2 skrll netmask = bootopts.b_netmask; 81 1.2.4.2 skrll gateip = bootopts.b_gate_ip; 82 1.2.4.2 skrll 83 1.2.4.2 skrll if (fname[0] == '\0') { 84 1.2.4.2 skrll printf("no boot filename\n"); 85 1.2.4.2 skrll netif_close(netdev_sock); 86 1.2.4.2 skrll return EIO; 87 1.2.4.2 skrll } 88 1.2.4.2 skrll strlcpy(bootfile, fname, sizeof bootfile); 89 1.2.4.2 skrll } 90 1.2.4.2 skrll 91 1.2.4.2 skrll *file = bootfile; 92 1.2.4.2 skrll 93 1.2.4.2 skrll return 0; 94 1.2.4.2 skrll } 95 1.2.4.2 skrll 96 1.2.4.2 skrll int 97 1.2.4.2 skrll net_close(struct open_file *f) 98 1.2.4.2 skrll { 99 1.2.4.2 skrll int sock; 100 1.2.4.2 skrll 101 1.2.4.2 skrll sock = *((int *) f->f_devdata); 102 1.2.4.2 skrll netif_close(sock); 103 1.2.4.2 skrll f->f_devdata = NULL; 104 1.2.4.2 skrll return 0; 105 1.2.4.2 skrll } 106 1.2.4.2 skrll 107 1.2.4.2 skrll int 108 1.2.4.2 skrll net_ioctl(struct open_file *f, u_long cmd, void *data) 109 1.2.4.2 skrll { 110 1.2.4.2 skrll return EIO; 111 1.2.4.2 skrll } 112
Indexes created Mon Sep 29 03:10:08 GMT 2025