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10#include <common.h>
11#include <command.h>
12#include <net.h>
13
14static int netboot_common(enum proto_t, cmd_tbl_t *, int, char * const []);
15
16#ifdef CONFIG_CMD_BOOTP
17static int do_bootp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
18{
19 return netboot_common(BOOTP, cmdtp, argc, argv);
20}
21
22U_BOOT_CMD(
23 bootp, 3, 1, do_bootp,
24 "boot image via network using BOOTP/TFTP protocol",
25 "[loadAddress] [[hostIPaddr:]bootfilename]"
26);
27#endif
28
29#ifdef CONFIG_CMD_TFTPBOOT
30int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
31{
32 int ret;
33
34 bootstage_mark_name(BOOTSTAGE_KERNELREAD_START, "tftp_start");
35 ret = netboot_common(TFTPGET, cmdtp, argc, argv);
36 bootstage_mark_name(BOOTSTAGE_KERNELREAD_STOP, "tftp_done");
37 return ret;
38}
39
40U_BOOT_CMD(
41 tftpboot, 3, 1, do_tftpb,
42 "boot image via network using TFTP protocol",
43 "[loadAddress] [[hostIPaddr:]bootfilename]"
44);
45#endif
46
47#ifdef CONFIG_CMD_TFTPPUT
48static int do_tftpput(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
49{
50 return netboot_common(TFTPPUT, cmdtp, argc, argv);
51}
52
53U_BOOT_CMD(
54 tftpput, 4, 1, do_tftpput,
55 "TFTP put command, for uploading files to a server",
56 "Address Size [[hostIPaddr:]filename]"
57);
58#endif
59
60#ifdef CONFIG_CMD_TFTPSRV
61static int do_tftpsrv(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
62{
63 return netboot_common(TFTPSRV, cmdtp, argc, argv);
64}
65
66U_BOOT_CMD(
67 tftpsrv, 2, 1, do_tftpsrv,
68 "act as a TFTP server and boot the first received file",
69 "[loadAddress]\n"
70 "Listen for an incoming TFTP transfer, receive a file and boot it.\n"
71 "The transfer is aborted if a transfer has not been started after\n"
72 "about 50 seconds or if Ctrl-C is pressed."
73);
74#endif
75
76
77#ifdef CONFIG_CMD_RARP
78int do_rarpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
79{
80 return netboot_common(RARP, cmdtp, argc, argv);
81}
82
83U_BOOT_CMD(
84 rarpboot, 3, 1, do_rarpb,
85 "boot image via network using RARP/TFTP protocol",
86 "[loadAddress] [[hostIPaddr:]bootfilename]"
87);
88#endif
89
90#if defined(CONFIG_CMD_DHCP)
91static int do_dhcp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
92{
93 return netboot_common(DHCP, cmdtp, argc, argv);
94}
95
96U_BOOT_CMD(
97 dhcp, 3, 1, do_dhcp,
98 "boot image via network using DHCP/TFTP protocol",
99 "[loadAddress] [[hostIPaddr:]bootfilename]"
100);
101#endif
102
103#if defined(CONFIG_CMD_NFS)
104static int do_nfs(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
105{
106 return netboot_common(NFS, cmdtp, argc, argv);
107}
108
109U_BOOT_CMD(
110 nfs, 3, 1, do_nfs,
111 "boot image via network using NFS protocol",
112 "[loadAddress] [[hostIPaddr:]bootfilename]"
113);
114#endif
115
116static void netboot_update_env(void)
117{
118 char tmp[22];
119
120 if (net_gateway.s_addr) {
121 ip_to_string(net_gateway, tmp);
122 env_set("gatewayip", tmp);
123 }
124
125 if (net_netmask.s_addr) {
126 ip_to_string(net_netmask, tmp);
127 env_set("netmask", tmp);
128 }
129
130 if (net_hostname[0])
131 env_set("hostname", net_hostname);
132
133 if (net_root_path[0])
134 env_set("rootpath", net_root_path);
135
136 if (net_ip.s_addr) {
137 ip_to_string(net_ip, tmp);
138 env_set("ipaddr", tmp);
139 }
140#if !defined(CONFIG_BOOTP_SERVERIP)
141
142
143
144
145 if (net_server_ip.s_addr) {
146 ip_to_string(net_server_ip, tmp);
147 env_set("serverip", tmp);
148 }
149#endif
150 if (net_dns_server.s_addr) {
151 ip_to_string(net_dns_server, tmp);
152 env_set("dnsip", tmp);
153 }
154#if defined(CONFIG_BOOTP_DNS2)
155 if (net_dns_server2.s_addr) {
156 ip_to_string(net_dns_server2, tmp);
157 env_set("dnsip2", tmp);
158 }
159#endif
160 if (net_nis_domain[0])
161 env_set("domain", net_nis_domain);
162
163#if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_TIMEOFFSET)
164 if (net_ntp_time_offset) {
165 sprintf(tmp, "%d", net_ntp_time_offset);
166 env_set("timeoffset", tmp);
167 }
168#endif
169#if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_NTPSERVER)
170 if (net_ntp_server.s_addr) {
171 ip_to_string(net_ntp_server, tmp);
172 env_set("ntpserverip", tmp);
173 }
174#endif
175}
176
177static int netboot_common(enum proto_t proto, cmd_tbl_t *cmdtp, int argc,
178 char * const argv[])
179{
180 char *s;
181 char *end;
182 int rcode = 0;
183 int size;
184 ulong addr;
185
186 net_boot_file_name_explicit = false;
187
188
189 s = env_get("loadaddr");
190 if (s != NULL)
191 load_addr = simple_strtoul(s, NULL, 16);
192
193 switch (argc) {
194 case 1:
195
196 copy_filename(net_boot_file_name, env_get("bootfile"),
197 sizeof(net_boot_file_name));
198 break;
199
200 case 2:
201
202
203
204
205
206 addr = simple_strtoul(argv[1], &end, 16);
207 if (end == (argv[1] + strlen(argv[1]))) {
208 load_addr = addr;
209
210 copy_filename(net_boot_file_name, env_get("bootfile"),
211 sizeof(net_boot_file_name));
212 } else {
213 net_boot_file_name_explicit = true;
214 copy_filename(net_boot_file_name, argv[1],
215 sizeof(net_boot_file_name));
216 }
217 break;
218
219 case 3:
220 load_addr = simple_strtoul(argv[1], NULL, 16);
221 net_boot_file_name_explicit = true;
222 copy_filename(net_boot_file_name, argv[2],
223 sizeof(net_boot_file_name));
224
225 break;
226
227#ifdef CONFIG_CMD_TFTPPUT
228 case 4:
229 if (strict_strtoul(argv[1], 16, &save_addr) < 0 ||
230 strict_strtoul(argv[2], 16, &save_size) < 0) {
231 printf("Invalid address/size\n");
232 return CMD_RET_USAGE;
233 }
234 net_boot_file_name_explicit = true;
235 copy_filename(net_boot_file_name, argv[3],
236 sizeof(net_boot_file_name));
237 break;
238#endif
239 default:
240 bootstage_error(BOOTSTAGE_ID_NET_START);
241 return CMD_RET_USAGE;
242 }
243 bootstage_mark(BOOTSTAGE_ID_NET_START);
244
245 size = net_loop(proto);
246 if (size < 0) {
247 bootstage_error(BOOTSTAGE_ID_NET_NETLOOP_OK);
248 return CMD_RET_FAILURE;
249 }
250 bootstage_mark(BOOTSTAGE_ID_NET_NETLOOP_OK);
251
252
253 netboot_update_env();
254
255
256 if (size == 0) {
257 bootstage_error(BOOTSTAGE_ID_NET_LOADED);
258 return CMD_RET_SUCCESS;
259 }
260
261 bootstage_mark(BOOTSTAGE_ID_NET_LOADED);
262
263 rcode = bootm_maybe_autostart(cmdtp, argv[0]);
264
265 if (rcode == CMD_RET_SUCCESS)
266 bootstage_mark(BOOTSTAGE_ID_NET_DONE);
267 else
268 bootstage_error(BOOTSTAGE_ID_NET_DONE_ERR);
269 return rcode;
270}
271
272#if defined(CONFIG_CMD_PING)
273static int do_ping(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
274{
275 if (argc < 2)
276 return CMD_RET_USAGE;
277
278 net_ping_ip = string_to_ip(argv[1]);
279 if (net_ping_ip.s_addr == 0)
280 return CMD_RET_USAGE;
281
282 if (net_loop(PING) < 0) {
283 printf("ping failed; host %s is not alive\n", argv[1]);
284 return CMD_RET_FAILURE;
285 }
286
287 printf("host %s is alive\n", argv[1]);
288
289 return CMD_RET_SUCCESS;
290}
291
292U_BOOT_CMD(
293 ping, 2, 1, do_ping,
294 "send ICMP ECHO_REQUEST to network host",
295 "pingAddress"
296);
297#endif
298
299#if defined(CONFIG_CMD_CDP)
300
301static void cdp_update_env(void)
302{
303 char tmp[16];
304
305 if (cdp_appliance_vlan != htons(-1)) {
306 printf("CDP offered appliance VLAN %d\n",
307 ntohs(cdp_appliance_vlan));
308 vlan_to_string(cdp_appliance_vlan, tmp);
309 env_set("vlan", tmp);
310 net_our_vlan = cdp_appliance_vlan;
311 }
312
313 if (cdp_native_vlan != htons(-1)) {
314 printf("CDP offered native VLAN %d\n", ntohs(cdp_native_vlan));
315 vlan_to_string(cdp_native_vlan, tmp);
316 env_set("nvlan", tmp);
317 net_native_vlan = cdp_native_vlan;
318 }
319}
320
321int do_cdp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
322{
323 int r;
324
325 r = net_loop(CDP);
326 if (r < 0) {
327 printf("cdp failed; perhaps not a CISCO switch?\n");
328 return CMD_RET_FAILURE;
329 }
330
331 cdp_update_env();
332
333 return CMD_RET_SUCCESS;
334}
335
336U_BOOT_CMD(
337 cdp, 1, 1, do_cdp,
338 "Perform CDP network configuration",
339 "\n"
340);
341#endif
342
343#if defined(CONFIG_CMD_SNTP)
344int do_sntp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
345{
346 char *toff;
347
348 if (argc < 2) {
349 net_ntp_server = env_get_ip("ntpserverip");
350 if (net_ntp_server.s_addr == 0) {
351 printf("ntpserverip not set\n");
352 return CMD_RET_FAILURE;
353 }
354 } else {
355 net_ntp_server = string_to_ip(argv[1]);
356 if (net_ntp_server.s_addr == 0) {
357 printf("Bad NTP server IP address\n");
358 return CMD_RET_FAILURE;
359 }
360 }
361
362 toff = env_get("timeoffset");
363 if (toff == NULL)
364 net_ntp_time_offset = 0;
365 else
366 net_ntp_time_offset = simple_strtol(toff, NULL, 10);
367
368 if (net_loop(SNTP) < 0) {
369 printf("SNTP failed: host %pI4 not responding\n",
370 &net_ntp_server);
371 return CMD_RET_FAILURE;
372 }
373
374 return CMD_RET_SUCCESS;
375}
376
377U_BOOT_CMD(
378 sntp, 2, 1, do_sntp,
379 "synchronize RTC via network",
380 "[NTP server IP]\n"
381);
382#endif
383
384#if defined(CONFIG_CMD_DNS)
385int do_dns(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
386{
387 if (argc == 1)
388 return CMD_RET_USAGE;
389
390
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400
401
402 if (strlen(argv[1]) >= 255) {
403 printf("dns error: hostname too long\n");
404 return CMD_RET_FAILURE;
405 }
406
407 net_dns_resolve = argv[1];
408
409 if (argc == 3)
410 net_dns_env_var = argv[2];
411 else
412 net_dns_env_var = NULL;
413
414 if (net_loop(DNS) < 0) {
415 printf("dns lookup of %s failed, check setup\n", argv[1]);
416 return CMD_RET_FAILURE;
417 }
418
419 return CMD_RET_SUCCESS;
420}
421
422U_BOOT_CMD(
423 dns, 3, 1, do_dns,
424 "lookup the IP of a hostname",
425 "hostname [envvar]"
426);
427
428#endif
429
430#if defined(CONFIG_CMD_LINK_LOCAL)
431static int do_link_local(cmd_tbl_t *cmdtp, int flag, int argc,
432 char * const argv[])
433{
434 char tmp[22];
435
436 if (net_loop(LINKLOCAL) < 0)
437 return CMD_RET_FAILURE;
438
439 net_gateway.s_addr = 0;
440 ip_to_string(net_gateway, tmp);
441 env_set("gatewayip", tmp);
442
443 ip_to_string(net_netmask, tmp);
444 env_set("netmask", tmp);
445
446 ip_to_string(net_ip, tmp);
447 env_set("ipaddr", tmp);
448 env_set("llipaddr", tmp);
449
450 return CMD_RET_SUCCESS;
451}
452
453U_BOOT_CMD(
454 linklocal, 1, 1, do_link_local,
455 "acquire a network IP address using the link-local protocol",
456 ""
457);
458
459#endif
460
