dev_net.c revision 1.1.2.3 1 1.1.2.3 pgoyette /* $NetBSD: dev_net.c,v 1.1.2.3 2018/11/26 01:52:52 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 1.1.2.3 pgoyette #include <lib/libsa/nfs.h>
41 1.1.2.2 pgoyette
42 1.1.2.2 pgoyette #include "dev_net.h"
43 1.1.2.2 pgoyette
44 1.1.2.2 pgoyette static int net_socket = -1;
45 1.1.2.2 pgoyette
46 1.1.2.2 pgoyette int
47 1.1.2.2 pgoyette net_open(struct open_file *f, ...)
48 1.1.2.2 pgoyette {
49 1.1.2.2 pgoyette va_list ap;
50 1.1.2.2 pgoyette char *devname;
51 1.1.2.2 pgoyette int error;
52 1.1.2.2 pgoyette
53 1.1.2.2 pgoyette va_start(ap, f);
54 1.1.2.2 pgoyette devname = va_arg(ap, char *);
55 1.1.2.2 pgoyette va_end(ap);
56 1.1.2.2 pgoyette
57 1.1.2.2 pgoyette if (net_socket < 0)
58 1.1.2.2 pgoyette net_socket = netif_open(devname);
59 1.1.2.2 pgoyette if (net_socket < 0)
60 1.1.2.2 pgoyette return ENXIO;
61 1.1.2.2 pgoyette
62 1.1.2.2 pgoyette if (myip.s_addr == INADDR_ANY) {
63 1.1.2.2 pgoyette bootp(net_socket);
64 1.1.2.2 pgoyette
65 1.1.2.2 pgoyette if (myip.s_addr == INADDR_ANY) {
66 1.1.2.2 pgoyette error = EIO;
67 1.1.2.2 pgoyette goto fail;
68 1.1.2.2 pgoyette }
69 1.1.2.2 pgoyette
70 1.1.2.2 pgoyette printf("boot: client ip: %s\n", inet_ntoa(myip));
71 1.1.2.2 pgoyette printf("boot: server ip: %s\n", inet_ntoa(rootip));
72 1.1.2.3 pgoyette if (rootpath[0] != '\0')
73 1.1.2.3 pgoyette printf("boot: server path: %s\n", rootpath);
74 1.1.2.3 pgoyette if (bootfile[0] != '\0')
75 1.1.2.3 pgoyette printf("boot: file name: %s\n", bootfile);
76 1.1.2.3 pgoyette }
77 1.1.2.3 pgoyette
78 1.1.2.3 pgoyette if (rootpath[0] != '\0') {
79 1.1.2.3 pgoyette error = nfs_mount(net_socket, rootip, rootpath);
80 1.1.2.3 pgoyette if (error) {
81 1.1.2.3 pgoyette printf("NFS mount error=%d\n", errno);
82 1.1.2.3 pgoyette goto fail;
83 1.1.2.3 pgoyette }
84 1.1.2.2 pgoyette }
85 1.1.2.2 pgoyette
86 1.1.2.2 pgoyette f->f_devdata = &net_socket;
87 1.1.2.2 pgoyette
88 1.1.2.2 pgoyette return 0;
89 1.1.2.2 pgoyette
90 1.1.2.2 pgoyette fail:
91 1.1.2.2 pgoyette printf("net_open failed: %d\n", error);
92 1.1.2.2 pgoyette netif_close(net_socket);
93 1.1.2.2 pgoyette net_socket = -1;
94 1.1.2.2 pgoyette return error;
95 1.1.2.2 pgoyette }
96 1.1.2.2 pgoyette
97 1.1.2.2 pgoyette int
98 1.1.2.2 pgoyette net_close(struct open_file *f)
99 1.1.2.2 pgoyette {
100 1.1.2.2 pgoyette f->f_devdata = NULL;
101 1.1.2.2 pgoyette
102 1.1.2.2 pgoyette return 0;
103 1.1.2.2 pgoyette }
104 1.1.2.2 pgoyette
105 1.1.2.2 pgoyette int
106 1.1.2.2 pgoyette net_strategy(void *devdata, int rw, daddr_t dblk, size_t size, void *buf, size_t *rsize)
107 1.1.2.2 pgoyette {
108 1.1.2.2 pgoyette return EIO;
109 1.1.2.2 pgoyette }
110