dev_net.c revision 1.1.2.2
1 1.1.2.2 pgoyette /* $NetBSD: dev_net.c,v 1.1.2.2 2018/09/06 06:56:47 pgoyette Exp $ */ 2 1.1.2.2 pgoyette 3 1.1.2.2 pgoyette /*- 4 1.1.2.2 pgoyette * Copyright (c) 2018 Jared McNeill <jmcneill (at) invisible.ca> 5 1.1.2.2 pgoyette * All rights reserved. 6 1.1.2.2 pgoyette * 7 1.1.2.2 pgoyette * Redistribution and use in source and binary forms, with or without 8 1.1.2.2 pgoyette * modification, are permitted provided that the following conditions 9 1.1.2.2 pgoyette * are met: 10 1.1.2.2 pgoyette * 1. Redistributions of source code must retain the above copyright 11 1.1.2.2 pgoyette * notice, this list of conditions and the following disclaimer. 12 1.1.2.2 pgoyette * 2. Redistributions in binary form must reproduce the above copyright 13 1.1.2.2 pgoyette * notice, this list of conditions and the following disclaimer in the 14 1.1.2.2 pgoyette * documentation and/or other materials provided with the distribution. 15 1.1.2.2 pgoyette * 16 1.1.2.2 pgoyette * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 17 1.1.2.2 pgoyette * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 1.1.2.2 pgoyette * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 1.1.2.2 pgoyette * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 20 1.1.2.2 pgoyette * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 1.1.2.2 pgoyette * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 1.1.2.2 pgoyette * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 1.1.2.2 pgoyette * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 1.1.2.2 pgoyette * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 1.1.2.2 pgoyette * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 1.1.2.2 pgoyette * SUCH DAMAGE. 27 1.1.2.2 pgoyette */ 28 1.1.2.2 pgoyette 29 1.1.2.2 pgoyette #include "efiboot.h" 30 1.1.2.2 pgoyette 31 1.1.2.2 pgoyette #include <sys/types.h> 32 1.1.2.2 pgoyette #include <sys/socket.h> 33 1.1.2.2 pgoyette #include <net/if.h> 34 1.1.2.2 pgoyette #include <netinet/in.h> 35 1.1.2.2 pgoyette 36 1.1.2.2 pgoyette #include <lib/libsa/net.h> 37 1.1.2.2 pgoyette #include <lib/libsa/netif.h> 38 1.1.2.2 pgoyette #include <lib/libsa/bootparam.h> 39 1.1.2.2 pgoyette #include <lib/libsa/bootp.h> 40 1.1.2.2 pgoyette 41 1.1.2.2 pgoyette #include "dev_net.h" 42 1.1.2.2 pgoyette 43 1.1.2.2 pgoyette static int net_socket = -1; 44 1.1.2.2 pgoyette 45 1.1.2.2 pgoyette int 46 1.1.2.2 pgoyette net_open(struct open_file *f, ...) 47 1.1.2.2 pgoyette { 48 1.1.2.2 pgoyette va_list ap; 49 1.1.2.2 pgoyette char *devname; 50 1.1.2.2 pgoyette int error; 51 1.1.2.2 pgoyette 52 1.1.2.2 pgoyette va_start(ap, f); 53 1.1.2.2 pgoyette devname = va_arg(ap, char *); 54 1.1.2.2 pgoyette va_end(ap); 55 1.1.2.2 pgoyette 56 1.1.2.2 pgoyette if (net_socket < 0) 57 1.1.2.2 pgoyette net_socket = netif_open(devname); 58 1.1.2.2 pgoyette if (net_socket < 0) 59 1.1.2.2 pgoyette return ENXIO; 60 1.1.2.2 pgoyette 61 1.1.2.2 pgoyette if (myip.s_addr == INADDR_ANY) { 62 1.1.2.2 pgoyette bootp(net_socket); 63 1.1.2.2 pgoyette 64 1.1.2.2 pgoyette if (myip.s_addr == INADDR_ANY) { 65 1.1.2.2 pgoyette error = EIO; 66 1.1.2.2 pgoyette goto fail; 67 1.1.2.2 pgoyette } 68 1.1.2.2 pgoyette 69 1.1.2.2 pgoyette printf("boot: client ip: %s\n", inet_ntoa(myip)); 70 1.1.2.2 pgoyette printf("boot: server ip: %s\n", inet_ntoa(rootip)); 71 1.1.2.2 pgoyette } 72 1.1.2.2 pgoyette 73 1.1.2.2 pgoyette f->f_devdata = &net_socket; 74 1.1.2.2 pgoyette 75 1.1.2.2 pgoyette return 0; 76 1.1.2.2 pgoyette 77 1.1.2.2 pgoyette fail: 78 1.1.2.2 pgoyette printf("net_open failed: %d\n", error); 79 1.1.2.2 pgoyette netif_close(net_socket); 80 1.1.2.2 pgoyette net_socket = -1; 81 1.1.2.2 pgoyette return error; 82 1.1.2.2 pgoyette } 83 1.1.2.2 pgoyette 84 1.1.2.2 pgoyette int 85 1.1.2.2 pgoyette net_close(struct open_file *f) 86 1.1.2.2 pgoyette { 87 1.1.2.2 pgoyette f->f_devdata = NULL; 88 1.1.2.2 pgoyette 89 1.1.2.2 pgoyette return 0; 90 1.1.2.2 pgoyette } 91 1.1.2.2 pgoyette 92 1.1.2.2 pgoyette int 93 1.1.2.2 pgoyette net_strategy(void *devdata, int rw, daddr_t dblk, size_t size, void *buf, size_t *rsize) 94 1.1.2.2 pgoyette { 95 1.1.2.2 pgoyette return EIO; 96 1.1.2.2 pgoyette } 97
Indexes created Wed Oct 01 07:09:59 GMT 2025