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10#include <common.h>
11#include <command.h>
12#include <env.h>
13#include <net.h>
14
15static int netboot_common(enum proto_t, cmd_tbl_t *, int, char * const []);
16
17#ifdef CONFIG_CMD_BOOTP
18static int do_bootp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
19{
20 return netboot_common(BOOTP, cmdtp, argc, argv);
21}
22
23U_BOOT_CMD(
24 bootp, 3, 1, do_bootp,
25 "boot image via network using BOOTP/TFTP protocol",
26 "[loadAddress] [[hostIPaddr:]bootfilename]"
27);
28#endif
29
30#ifdef CONFIG_CMD_TFTPBOOT
31int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
32{
33 int ret;
34
35 bootstage_mark_name(BOOTSTAGE_KERNELREAD_START, "tftp_start");
36 ret = netboot_common(TFTPGET, cmdtp, argc, argv);
37 bootstage_mark_name(BOOTSTAGE_KERNELREAD_STOP, "tftp_done");
38 return ret;
39}
40
41U_BOOT_CMD(
42 tftpboot, 3, 1, do_tftpb,
43 "boot image via network using TFTP protocol",
44 "[loadAddress] [[hostIPaddr:]bootfilename]"
45);
46#endif
47
48#ifdef CONFIG_CMD_TFTPPUT
49static int do_tftpput(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
50{
51 return netboot_common(TFTPPUT, cmdtp, argc, argv);
52}
53
54U_BOOT_CMD(
55 tftpput, 4, 1, do_tftpput,
56 "TFTP put command, for uploading files to a server",
57 "Address Size [[hostIPaddr:]filename]"
58);
59#endif
60
61#ifdef CONFIG_CMD_TFTPSRV
62static int do_tftpsrv(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
63{
64 return netboot_common(TFTPSRV, cmdtp, argc, argv);
65}
66
67U_BOOT_CMD(
68 tftpsrv, 2, 1, do_tftpsrv,
69 "act as a TFTP server and boot the first received file",
70 "[loadAddress]\n"
71 "Listen for an incoming TFTP transfer, receive a file and boot it.\n"
72 "The transfer is aborted if a transfer has not been started after\n"
73 "about 50 seconds or if Ctrl-C is pressed."
74);
75#endif
76
77
78#ifdef CONFIG_CMD_RARP
79int do_rarpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
80{
81 return netboot_common(RARP, cmdtp, argc, argv);
82}
83
84U_BOOT_CMD(
85 rarpboot, 3, 1, do_rarpb,
86 "boot image via network using RARP/TFTP protocol",
87 "[loadAddress] [[hostIPaddr:]bootfilename]"
88);
89#endif
90
91#if defined(CONFIG_CMD_DHCP)
92static int do_dhcp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
93{
94 return netboot_common(DHCP, cmdtp, argc, argv);
95}
96
97U_BOOT_CMD(
98 dhcp, 3, 1, do_dhcp,
99 "boot image via network using DHCP/TFTP protocol",
100 "[loadAddress] [[hostIPaddr:]bootfilename]"
101);
102#endif
103
104#if defined(CONFIG_CMD_NFS)
105static int do_nfs(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
106{
107 return netboot_common(NFS, cmdtp, argc, argv);
108}
109
110U_BOOT_CMD(
111 nfs, 3, 1, do_nfs,
112 "boot image via network using NFS protocol",
113 "[loadAddress] [[hostIPaddr:]bootfilename]"
114);
115#endif
116
117static void netboot_update_env(void)
118{
119 char tmp[22];
120
121 if (net_gateway.s_addr) {
122 ip_to_string(net_gateway, tmp);
123 env_set("gatewayip", tmp);
124 }
125
126 if (net_netmask.s_addr) {
127 ip_to_string(net_netmask, tmp);
128 env_set("netmask", tmp);
129 }
130
131 if (net_hostname[0])
132 env_set("hostname", net_hostname);
133
134 if (net_root_path[0])
135 env_set("rootpath", net_root_path);
136
137 if (net_ip.s_addr) {
138 ip_to_string(net_ip, tmp);
139 env_set("ipaddr", tmp);
140 }
141#if !defined(CONFIG_BOOTP_SERVERIP)
142
143
144
145
146 if (net_server_ip.s_addr) {
147 ip_to_string(net_server_ip, tmp);
148 env_set("serverip", tmp);
149 }
150#endif
151 if (net_dns_server.s_addr) {
152 ip_to_string(net_dns_server, tmp);
153 env_set("dnsip", tmp);
154 }
155#if defined(CONFIG_BOOTP_DNS2)
156 if (net_dns_server2.s_addr) {
157 ip_to_string(net_dns_server2, tmp);
158 env_set("dnsip2", tmp);
159 }
160#endif
161 if (net_nis_domain[0])
162 env_set("domain", net_nis_domain);
163
164#if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_TIMEOFFSET)
165 if (net_ntp_time_offset) {
166 sprintf(tmp, "%d", net_ntp_time_offset);
167 env_set("timeoffset", tmp);
168 }
169#endif
170#if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_NTPSERVER)
171 if (net_ntp_server.s_addr) {
172 ip_to_string(net_ntp_server, tmp);
173 env_set("ntpserverip", tmp);
174 }
175#endif
176}
177
178static int netboot_common(enum proto_t proto, cmd_tbl_t *cmdtp, int argc,
179 char * const argv[])
180{
181 char *s;
182 char *end;
183 int rcode = 0;
184 int size;
185 ulong addr;
186
187 net_boot_file_name_explicit = false;
188
189
190 s = env_get("loadaddr");
191 if (s != NULL)
192 load_addr = simple_strtoul(s, NULL, 16);
193
194 switch (argc) {
195 case 1:
196
197 copy_filename(net_boot_file_name, env_get("bootfile"),
198 sizeof(net_boot_file_name));
199 break;
200
201 case 2:
202
203
204
205
206
207 addr = simple_strtoul(argv[1], &end, 16);
208 if (end == (argv[1] + strlen(argv[1]))) {
209 load_addr = addr;
210
211 copy_filename(net_boot_file_name, env_get("bootfile"),
212 sizeof(net_boot_file_name));
213 } else {
214 net_boot_file_name_explicit = true;
215 copy_filename(net_boot_file_name, argv[1],
216 sizeof(net_boot_file_name));
217 }
218 break;
219
220 case 3:
221 load_addr = simple_strtoul(argv[1], NULL, 16);
222 net_boot_file_name_explicit = true;
223 copy_filename(net_boot_file_name, argv[2],
224 sizeof(net_boot_file_name));
225
226 break;
227
228#ifdef CONFIG_CMD_TFTPPUT
229 case 4:
230 if (strict_strtoul(argv[1], 16, &save_addr) < 0 ||
231 strict_strtoul(argv[2], 16, &save_size) < 0) {
232 printf("Invalid address/size\n");
233 return CMD_RET_USAGE;
234 }
235 net_boot_file_name_explicit = true;
236 copy_filename(net_boot_file_name, argv[3],
237 sizeof(net_boot_file_name));
238 break;
239#endif
240 default:
241 bootstage_error(BOOTSTAGE_ID_NET_START);
242 return CMD_RET_USAGE;
243 }
244 bootstage_mark(BOOTSTAGE_ID_NET_START);
245
246 size = net_loop(proto);
247 if (size < 0) {
248 bootstage_error(BOOTSTAGE_ID_NET_NETLOOP_OK);
249 return CMD_RET_FAILURE;
250 }
251 bootstage_mark(BOOTSTAGE_ID_NET_NETLOOP_OK);
252
253
254 netboot_update_env();
255
256
257 if (size == 0) {
258 bootstage_error(BOOTSTAGE_ID_NET_LOADED);
259 return CMD_RET_SUCCESS;
260 }
261
262 bootstage_mark(BOOTSTAGE_ID_NET_LOADED);
263
264 rcode = bootm_maybe_autostart(cmdtp, argv[0]);
265
266 if (rcode == CMD_RET_SUCCESS)
267 bootstage_mark(BOOTSTAGE_ID_NET_DONE);
268 else
269 bootstage_error(BOOTSTAGE_ID_NET_DONE_ERR);
270 return rcode;
271}
272
273#if defined(CONFIG_CMD_PING)
274static int do_ping(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
275{
276 if (argc < 2)
277 return CMD_RET_USAGE;
278
279 net_ping_ip = string_to_ip(argv[1]);
280 if (net_ping_ip.s_addr == 0)
281 return CMD_RET_USAGE;
282
283 if (net_loop(PING) < 0) {
284 printf("ping failed; host %s is not alive\n", argv[1]);
285 return CMD_RET_FAILURE;
286 }
287
288 printf("host %s is alive\n", argv[1]);
289
290 return CMD_RET_SUCCESS;
291}
292
293U_BOOT_CMD(
294 ping, 2, 1, do_ping,
295 "send ICMP ECHO_REQUEST to network host",
296 "pingAddress"
297);
298#endif
299
300#if defined(CONFIG_CMD_CDP)
301
302static void cdp_update_env(void)
303{
304 char tmp[16];
305
306 if (cdp_appliance_vlan != htons(-1)) {
307 printf("CDP offered appliance VLAN %d\n",
308 ntohs(cdp_appliance_vlan));
309 vlan_to_string(cdp_appliance_vlan, tmp);
310 env_set("vlan", tmp);
311 net_our_vlan = cdp_appliance_vlan;
312 }
313
314 if (cdp_native_vlan != htons(-1)) {
315 printf("CDP offered native VLAN %d\n", ntohs(cdp_native_vlan));
316 vlan_to_string(cdp_native_vlan, tmp);
317 env_set("nvlan", tmp);
318 net_native_vlan = cdp_native_vlan;
319 }
320}
321
322int do_cdp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
323{
324 int r;
325
326 r = net_loop(CDP);
327 if (r < 0) {
328 printf("cdp failed; perhaps not a CISCO switch?\n");
329 return CMD_RET_FAILURE;
330 }
331
332 cdp_update_env();
333
334 return CMD_RET_SUCCESS;
335}
336
337U_BOOT_CMD(
338 cdp, 1, 1, do_cdp,
339 "Perform CDP network configuration",
340 "\n"
341);
342#endif
343
344#if defined(CONFIG_CMD_SNTP)
345int do_sntp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
346{
347 char *toff;
348
349 if (argc < 2) {
350 net_ntp_server = env_get_ip("ntpserverip");
351 if (net_ntp_server.s_addr == 0) {
352 printf("ntpserverip not set\n");
353 return CMD_RET_FAILURE;
354 }
355 } else {
356 net_ntp_server = string_to_ip(argv[1]);
357 if (net_ntp_server.s_addr == 0) {
358 printf("Bad NTP server IP address\n");
359 return CMD_RET_FAILURE;
360 }
361 }
362
363 toff = env_get("timeoffset");
364 if (toff == NULL)
365 net_ntp_time_offset = 0;
366 else
367 net_ntp_time_offset = simple_strtol(toff, NULL, 10);
368
369 if (net_loop(SNTP) < 0) {
370 printf("SNTP failed: host %pI4 not responding\n",
371 &net_ntp_server);
372 return CMD_RET_FAILURE;
373 }
374
375 return CMD_RET_SUCCESS;
376}
377
378U_BOOT_CMD(
379 sntp, 2, 1, do_sntp,
380 "synchronize RTC via network",
381 "[NTP server IP]\n"
382);
383#endif
384
385#if defined(CONFIG_CMD_DNS)
386int do_dns(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
387{
388 if (argc == 1)
389 return CMD_RET_USAGE;
390
391
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401
402
403 if (strlen(argv[1]) >= 255) {
404 printf("dns error: hostname too long\n");
405 return CMD_RET_FAILURE;
406 }
407
408 net_dns_resolve = argv[1];
409
410 if (argc == 3)
411 net_dns_env_var = argv[2];
412 else
413 net_dns_env_var = NULL;
414
415 if (net_loop(DNS) < 0) {
416 printf("dns lookup of %s failed, check setup\n", argv[1]);
417 return CMD_RET_FAILURE;
418 }
419
420 return CMD_RET_SUCCESS;
421}
422
423U_BOOT_CMD(
424 dns, 3, 1, do_dns,
425 "lookup the IP of a hostname",
426 "hostname [envvar]"
427);
428
429#endif
430
431#if defined(CONFIG_CMD_LINK_LOCAL)
432static int do_link_local(cmd_tbl_t *cmdtp, int flag, int argc,
433 char * const argv[])
434{
435 char tmp[22];
436
437 if (net_loop(LINKLOCAL) < 0)
438 return CMD_RET_FAILURE;
439
440 net_gateway.s_addr = 0;
441 ip_to_string(net_gateway, tmp);
442 env_set("gatewayip", tmp);
443
444 ip_to_string(net_netmask, tmp);
445 env_set("netmask", tmp);
446
447 ip_to_string(net_ip, tmp);
448 env_set("ipaddr", tmp);
449 env_set("llipaddr", tmp);
450
451 return CMD_RET_SUCCESS;
452}
453
454U_BOOT_CMD(
455 linklocal, 1, 1, do_link_local,
456 "acquire a network IP address using the link-local protocol",
457 ""
458);
459
460#endif
461
