1 /*
2 * (C) Copyright 2000
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23
24 /*
25 * Boot support
26 */
27 #include <common.h>
28 #include <command.h>
29 #include <net.h>
30
31 extern int do_bootm (cmd_tbl_t *, int, int, char *[]);
32
33 static int netboot_common (proto_t, cmd_tbl_t *, int , char *[]);
34
do_bootp(cmd_tbl_t * cmdtp,int flag,int argc,char * argv[])35 int do_bootp (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
36 {
37 return netboot_common (BOOTP, cmdtp, argc, argv);
38 }
39
40 U_BOOT_CMD(
41 bootp, 3, 1, do_bootp,
42 "boot image via network using BOOTP/TFTP protocol",
43 "[loadAddress] [[hostIPaddr:]bootfilename]"
44 );
45
do_tftpb(cmd_tbl_t * cmdtp,int flag,int argc,char * argv[])46 int do_tftpb (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
47 {
48 return netboot_common (TFTP, cmdtp, argc, argv);
49 }
50
51 U_BOOT_CMD(
52 tftpboot, 3, 1, do_tftpb,
53 "boot image via network using TFTP protocol",
54 "[loadAddress] [[hostIPaddr:]bootfilename]"
55 );
56
do_rarpb(cmd_tbl_t * cmdtp,int flag,int argc,char * argv[])57 int do_rarpb (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
58 {
59 return netboot_common (RARP, cmdtp, argc, argv);
60 }
61
62 U_BOOT_CMD(
63 rarpboot, 3, 1, do_rarpb,
64 "boot image via network using RARP/TFTP protocol",
65 "[loadAddress] [[hostIPaddr:]bootfilename]"
66 );
67
68 #if defined(CONFIG_CMD_DHCP)
do_dhcp(cmd_tbl_t * cmdtp,int flag,int argc,char * argv[])69 int do_dhcp (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
70 {
71 return netboot_common(DHCP, cmdtp, argc, argv);
72 }
73
74 U_BOOT_CMD(
75 dhcp, 3, 1, do_dhcp,
76 "boot image via network using DHCP/TFTP protocol",
77 "[loadAddress] [[hostIPaddr:]bootfilename]"
78 );
79 #endif
80
81 #if defined(CONFIG_CMD_NFS)
do_nfs(cmd_tbl_t * cmdtp,int flag,int argc,char * argv[])82 int do_nfs (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
83 {
84 return netboot_common(NFS, cmdtp, argc, argv);
85 }
86
87 U_BOOT_CMD(
88 nfs, 3, 1, do_nfs,
89 "boot image via network using NFS protocol",
90 "[loadAddress] [[hostIPaddr:]bootfilename]"
91 );
92 #endif
93
netboot_update_env(void)94 static void netboot_update_env (void)
95 {
96 char tmp[22];
97
98 if (NetOurGatewayIP) {
99 ip_to_string (NetOurGatewayIP, tmp);
100 setenv ("gatewayip", tmp);
101 }
102
103 if (NetOurSubnetMask) {
104 ip_to_string (NetOurSubnetMask, tmp);
105 setenv ("netmask", tmp);
106 }
107
108 if (NetOurHostName[0])
109 setenv ("hostname", NetOurHostName);
110
111 if (NetOurRootPath[0])
112 setenv ("rootpath", NetOurRootPath);
113
114 if (NetOurIP) {
115 ip_to_string (NetOurIP, tmp);
116 setenv ("ipaddr", tmp);
117 }
118
119 if (NetServerIP) {
120 ip_to_string (NetServerIP, tmp);
121 setenv ("serverip", tmp);
122 }
123
124 if (NetOurDNSIP) {
125 ip_to_string (NetOurDNSIP, tmp);
126 setenv ("dnsip", tmp);
127 }
128 #if defined(CONFIG_BOOTP_DNS2)
129 if (NetOurDNS2IP) {
130 ip_to_string (NetOurDNS2IP, tmp);
131 setenv ("dnsip2", tmp);
132 }
133 #endif
134 if (NetOurNISDomain[0])
135 setenv ("domain", NetOurNISDomain);
136
137 #if defined(CONFIG_CMD_SNTP) \
138 && defined(CONFIG_BOOTP_TIMEOFFSET)
139 if (NetTimeOffset) {
140 sprintf (tmp, "%d", NetTimeOffset);
141 setenv ("timeoffset", tmp);
142 }
143 #endif
144 #if defined(CONFIG_CMD_SNTP) \
145 && defined(CONFIG_BOOTP_NTPSERVER)
146 if (NetNtpServerIP) {
147 ip_to_string (NetNtpServerIP, tmp);
148 setenv ("ntpserverip", tmp);
149 }
150 #endif
151 }
152
153 static int
netboot_common(proto_t proto,cmd_tbl_t * cmdtp,int argc,char * argv[])154 netboot_common (proto_t proto, cmd_tbl_t *cmdtp, int argc, char *argv[])
155 {
156 char *s;
157 char *end;
158 int rcode = 0;
159 int size;
160 ulong addr;
161
162 /* pre-set load_addr */
163 if ((s = getenv("loadaddr")) != NULL) {
164 load_addr = simple_strtoul(s, NULL, 16);
165 }
166
167 switch (argc) {
168 case 1:
169 break;
170
171 case 2: /*
172 * Only one arg - accept two forms:
173 * Just load address, or just boot file name. The latter
174 * form must be written in a format which can not be
175 * mis-interpreted as a valid number.
176 */
177 addr = simple_strtoul(argv[1], &end, 16);
178 if (end == (argv[1] + strlen(argv[1])))
179 load_addr = addr;
180 else
181 copy_filename(BootFile, argv[1], sizeof(BootFile));
182 break;
183
184 case 3: load_addr = simple_strtoul(argv[1], NULL, 16);
185 copy_filename (BootFile, argv[2], sizeof(BootFile));
186
187 break;
188
189 default: cmd_usage(cmdtp);
190 show_boot_progress (-80);
191 return 1;
192 }
193
194 show_boot_progress (80);
195 if ((size = NetLoop(proto)) < 0) {
196 show_boot_progress (-81);
197 return 1;
198 }
199
200 show_boot_progress (81);
201 /* NetLoop ok, update environment */
202 netboot_update_env();
203
204 /* done if no file was loaded (no errors though) */
205 if (size == 0) {
206 show_boot_progress (-82);
207 return 0;
208 }
209
210 /* flush cache */
211 flush_cache(load_addr, size);
212
213 /* Loading ok, check if we should attempt an auto-start */
214 if (((s = getenv("autostart")) != NULL) && (strcmp(s,"yes") == 0)) {
215 char *local_args[2];
216 local_args[0] = argv[0];
217 local_args[1] = NULL;
218
219 printf ("Automatic boot of image at addr 0x%08lX ...\n",
220 load_addr);
221 show_boot_progress (82);
222 rcode = do_bootm (cmdtp, 0, 1, local_args);
223 }
224
225 if (rcode < 0)
226 show_boot_progress (-83);
227 else
228 show_boot_progress (84);
229 return rcode;
230 }
231
232 #if defined(CONFIG_CMD_PING)
do_ping(cmd_tbl_t * cmdtp,int flag,int argc,char * argv[])233 int do_ping (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
234 {
235 if (argc < 2)
236 return -1;
237
238 NetPingIP = string_to_ip(argv[1]);
239 if (NetPingIP == 0) {
240 cmd_usage(cmdtp);
241 return -1;
242 }
243
244 if (NetLoop(PING) < 0) {
245 printf("ping failed; host %s is not alive\n", argv[1]);
246 return 1;
247 }
248
249 printf("host %s is alive\n", argv[1]);
250
251 return 0;
252 }
253
254 U_BOOT_CMD(
255 ping, 2, 1, do_ping,
256 "send ICMP ECHO_REQUEST to network host",
257 "pingAddress"
258 );
259 #endif
260
261 #if defined(CONFIG_CMD_CDP)
262
cdp_update_env(void)263 static void cdp_update_env(void)
264 {
265 char tmp[16];
266
267 if (CDPApplianceVLAN != htons(-1)) {
268 printf("CDP offered appliance VLAN %d\n", ntohs(CDPApplianceVLAN));
269 VLAN_to_string(CDPApplianceVLAN, tmp);
270 setenv("vlan", tmp);
271 NetOurVLAN = CDPApplianceVLAN;
272 }
273
274 if (CDPNativeVLAN != htons(-1)) {
275 printf("CDP offered native VLAN %d\n", ntohs(CDPNativeVLAN));
276 VLAN_to_string(CDPNativeVLAN, tmp);
277 setenv("nvlan", tmp);
278 NetOurNativeVLAN = CDPNativeVLAN;
279 }
280
281 }
282
do_cdp(cmd_tbl_t * cmdtp,int flag,int argc,char * argv[])283 int do_cdp (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
284 {
285 int r;
286
287 r = NetLoop(CDP);
288 if (r < 0) {
289 printf("cdp failed; perhaps not a CISCO switch?\n");
290 return 1;
291 }
292
293 cdp_update_env();
294
295 return 0;
296 }
297
298 U_BOOT_CMD(
299 cdp, 1, 1, do_cdp,
300 "Perform CDP network configuration",
301 );
302 #endif
303
304 #if defined(CONFIG_CMD_SNTP)
do_sntp(cmd_tbl_t * cmdtp,int flag,int argc,char * argv[])305 int do_sntp (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
306 {
307 char *toff;
308
309 if (argc < 2) {
310 NetNtpServerIP = getenv_IPaddr ("ntpserverip");
311 if (NetNtpServerIP == 0) {
312 printf ("ntpserverip not set\n");
313 return (1);
314 }
315 } else {
316 NetNtpServerIP = string_to_ip(argv[1]);
317 if (NetNtpServerIP == 0) {
318 printf ("Bad NTP server IP address\n");
319 return (1);
320 }
321 }
322
323 toff = getenv ("timeoffset");
324 if (toff == NULL) NetTimeOffset = 0;
325 else NetTimeOffset = simple_strtol (toff, NULL, 10);
326
327 if (NetLoop(SNTP) < 0) {
328 printf("SNTP failed: host %s not responding\n", argv[1]);
329 return 1;
330 }
331
332 return 0;
333 }
334
335 U_BOOT_CMD(
336 sntp, 2, 1, do_sntp,
337 "synchronize RTC via network",
338 "[NTP server IP]\n"
339 );
340 #endif
341
342 #if defined(CONFIG_CMD_DNS)
do_dns(cmd_tbl_t * cmdtp,int flag,int argc,char * argv[])343 int do_dns(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
344 {
345 if (argc == 1) {
346 cmd_usage(cmdtp);
347 return -1;
348 }
349
350 /*
351 * We should check for a valid hostname:
352 * - Each label must be between 1 and 63 characters long
353 * - the entire hostname has a maximum of 255 characters
354 * - only the ASCII letters 'a' through 'z' (case-insensitive),
355 * the digits '0' through '9', and the hyphen
356 * - cannot begin or end with a hyphen
357 * - no other symbols, punctuation characters, or blank spaces are
358 * permitted
359 * but hey - this is a minimalist implmentation, so only check length
360 * and let the name server deal with things.
361 */
362 if (strlen(argv[1]) >= 255) {
363 printf("dns error: hostname too long\n");
364 return 1;
365 }
366
367 NetDNSResolve = argv[1];
368
369 if (argc == 3)
370 NetDNSenvvar = argv[2];
371 else
372 NetDNSenvvar = NULL;
373
374 if (NetLoop(DNS) < 0) {
375 printf("dns lookup of %s failed, check setup\n", argv[1]);
376 return 1;
377 }
378
379 return 0;
380 }
381
382 U_BOOT_CMD(
383 dns, 3, 1, do_dns,
384 "lookup the IP of a hostname",
385 "hostname [envvar]"
386 );
387
388 #endif /* CONFIG_CMD_DNS */
389