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11#include <common.h>
12#include <command.h>
13#include <net.h>
14
15static int netboot_common(enum proto_t, cmd_tbl_t *, int, char * const []);
16
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
28int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
29{
30 int ret;
31
32 bootstage_mark_name(BOOTSTAGE_KERNELREAD_START, "tftp_start");
33 ret = netboot_common(TFTPGET, cmdtp, argc, argv);
34 bootstage_mark_name(BOOTSTAGE_KERNELREAD_STOP, "tftp_done");
35 return ret;
36}
37
38U_BOOT_CMD(
39 tftpboot, 3, 1, do_tftpb,
40 "boot image via network using TFTP protocol",
41 "[loadAddress] [[hostIPaddr:]bootfilename]"
42);
43
44#ifdef CONFIG_CMD_TFTPPUT
45static int do_tftpput(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
46{
47 return netboot_common(TFTPPUT, cmdtp, argc, argv);
48}
49
50U_BOOT_CMD(
51 tftpput, 4, 1, do_tftpput,
52 "TFTP put command, for uploading files to a server",
53 "Address Size [[hostIPaddr:]filename]"
54);
55#endif
56
57#ifdef CONFIG_CMD_TFTPSRV
58static int do_tftpsrv(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
59{
60 return netboot_common(TFTPSRV, cmdtp, argc, argv);
61}
62
63U_BOOT_CMD(
64 tftpsrv, 2, 1, do_tftpsrv,
65 "act as a TFTP server and boot the first received file",
66 "[loadAddress]\n"
67 "Listen for an incoming TFTP transfer, receive a file and boot it.\n"
68 "The transfer is aborted if a transfer has not been started after\n"
69 "about 50 seconds or if Ctrl-C is pressed."
70);
71#endif
72
73
74#ifdef CONFIG_CMD_RARP
75int do_rarpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
76{
77 return netboot_common(RARP, cmdtp, argc, argv);
78}
79
80U_BOOT_CMD(
81 rarpboot, 3, 1, do_rarpb,
82 "boot image via network using RARP/TFTP protocol",
83 "[loadAddress] [[hostIPaddr:]bootfilename]"
84);
85#endif
86
87#if defined(CONFIG_CMD_DHCP)
88static int do_dhcp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
89{
90 return netboot_common(DHCP, cmdtp, argc, argv);
91}
92
93U_BOOT_CMD(
94 dhcp, 3, 1, do_dhcp,
95 "boot image via network using DHCP/TFTP protocol",
96 "[loadAddress] [[hostIPaddr:]bootfilename]"
97);
98#endif
99
100#if defined(CONFIG_CMD_NFS)
101static int do_nfs(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
102{
103 return netboot_common(NFS, cmdtp, argc, argv);
104}
105
106U_BOOT_CMD(
107 nfs, 3, 1, do_nfs,
108 "boot image via network using NFS protocol",
109 "[loadAddress] [[hostIPaddr:]bootfilename]"
110);
111#endif
112
113static void netboot_update_env(void)
114{
115 char tmp[22];
116
117 if (net_gateway.s_addr) {
118 ip_to_string(net_gateway, tmp);
119 env_set("gatewayip", tmp);
120 }
121
122 if (net_netmask.s_addr) {
123 ip_to_string(net_netmask, tmp);
124 env_set("netmask", tmp);
125 }
126
127 if (net_hostname[0])
128 env_set("hostname", net_hostname);
129
130 if (net_root_path[0])
131 env_set("rootpath", net_root_path);
132
133 if (net_ip.s_addr) {
134 ip_to_string(net_ip, tmp);
135 env_set("ipaddr", tmp);
136 }
137#if !defined(CONFIG_BOOTP_SERVERIP)
138
139
140
141
142 if (net_server_ip.s_addr) {
143 ip_to_string(net_server_ip, tmp);
144 env_set("serverip", tmp);
145 }
146#endif
147 if (net_dns_server.s_addr) {
148 ip_to_string(net_dns_server, tmp);
149 env_set("dnsip", tmp);
150 }
151#if defined(CONFIG_BOOTP_DNS2)
152 if (net_dns_server2.s_addr) {
153 ip_to_string(net_dns_server2, tmp);
154 env_set("dnsip2", tmp);
155 }
156#endif
157 if (net_nis_domain[0])
158 env_set("domain", net_nis_domain);
159
160#if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_TIMEOFFSET)
161 if (net_ntp_time_offset) {
162 sprintf(tmp, "%d", net_ntp_time_offset);
163 env_set("timeoffset", tmp);
164 }
165#endif
166#if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_NTPSERVER)
167 if (net_ntp_server.s_addr) {
168 ip_to_string(net_ntp_server, tmp);
169 env_set("ntpserverip", tmp);
170 }
171#endif
172}
173
174static int netboot_common(enum proto_t proto, cmd_tbl_t *cmdtp, int argc,
175 char * const argv[])
176{
177 char *s;
178 char *end;
179 int rcode = 0;
180 int size;
181 ulong addr;
182
183
184 s = env_get("loadaddr");
185 if (s != NULL)
186 load_addr = simple_strtoul(s, NULL, 16);
187
188 switch (argc) {
189 case 1:
190 break;
191
192 case 2:
193
194
195
196
197
198 addr = simple_strtoul(argv[1], &end, 16);
199 if (end == (argv[1] + strlen(argv[1])))
200 load_addr = addr;
201 else
202 copy_filename(net_boot_file_name, argv[1],
203 sizeof(net_boot_file_name));
204 break;
205
206 case 3:
207 load_addr = simple_strtoul(argv[1], NULL, 16);
208 copy_filename(net_boot_file_name, argv[2],
209 sizeof(net_boot_file_name));
210
211 break;
212
213#ifdef CONFIG_CMD_TFTPPUT
214 case 4:
215 if (strict_strtoul(argv[1], 16, &save_addr) < 0 ||
216 strict_strtoul(argv[2], 16, &save_size) < 0) {
217 printf("Invalid address/size\n");
218 return CMD_RET_USAGE;
219 }
220 copy_filename(net_boot_file_name, argv[3],
221 sizeof(net_boot_file_name));
222 break;
223#endif
224 default:
225 bootstage_error(BOOTSTAGE_ID_NET_START);
226 return CMD_RET_USAGE;
227 }
228 bootstage_mark(BOOTSTAGE_ID_NET_START);
229
230 size = net_loop(proto);
231 if (size < 0) {
232 bootstage_error(BOOTSTAGE_ID_NET_NETLOOP_OK);
233 return CMD_RET_FAILURE;
234 }
235 bootstage_mark(BOOTSTAGE_ID_NET_NETLOOP_OK);
236
237
238 netboot_update_env();
239
240
241 if (size == 0) {
242 bootstage_error(BOOTSTAGE_ID_NET_LOADED);
243 return CMD_RET_SUCCESS;
244 }
245
246 bootstage_mark(BOOTSTAGE_ID_NET_LOADED);
247
248 rcode = bootm_maybe_autostart(cmdtp, argv[0]);
249
250 if (rcode == CMD_RET_SUCCESS)
251 bootstage_mark(BOOTSTAGE_ID_NET_DONE);
252 else
253 bootstage_error(BOOTSTAGE_ID_NET_DONE_ERR);
254 return rcode;
255}
256
257#if defined(CONFIG_CMD_PING)
258static int do_ping(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
259{
260 if (argc < 2)
261 return CMD_RET_USAGE;
262
263 net_ping_ip = string_to_ip(argv[1]);
264 if (net_ping_ip.s_addr == 0)
265 return CMD_RET_USAGE;
266
267 if (net_loop(PING) < 0) {
268 printf("ping failed; host %s is not alive\n", argv[1]);
269 return CMD_RET_FAILURE;
270 }
271
272 printf("host %s is alive\n", argv[1]);
273
274 return CMD_RET_SUCCESS;
275}
276
277U_BOOT_CMD(
278 ping, 2, 1, do_ping,
279 "send ICMP ECHO_REQUEST to network host",
280 "pingAddress"
281);
282#endif
283
284#if defined(CONFIG_CMD_CDP)
285
286static void cdp_update_env(void)
287{
288 char tmp[16];
289
290 if (cdp_appliance_vlan != htons(-1)) {
291 printf("CDP offered appliance VLAN %d\n",
292 ntohs(cdp_appliance_vlan));
293 vlan_to_string(cdp_appliance_vlan, tmp);
294 env_set("vlan", tmp);
295 net_our_vlan = cdp_appliance_vlan;
296 }
297
298 if (cdp_native_vlan != htons(-1)) {
299 printf("CDP offered native VLAN %d\n", ntohs(cdp_native_vlan));
300 vlan_to_string(cdp_native_vlan, tmp);
301 env_set("nvlan", tmp);
302 net_native_vlan = cdp_native_vlan;
303 }
304}
305
306int do_cdp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
307{
308 int r;
309
310 r = net_loop(CDP);
311 if (r < 0) {
312 printf("cdp failed; perhaps not a CISCO switch?\n");
313 return CMD_RET_FAILURE;
314 }
315
316 cdp_update_env();
317
318 return CMD_RET_SUCCESS;
319}
320
321U_BOOT_CMD(
322 cdp, 1, 1, do_cdp,
323 "Perform CDP network configuration",
324 "\n"
325);
326#endif
327
328#if defined(CONFIG_CMD_SNTP)
329int do_sntp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
330{
331 char *toff;
332
333 if (argc < 2) {
334 net_ntp_server = env_get_ip("ntpserverip");
335 if (net_ntp_server.s_addr == 0) {
336 printf("ntpserverip not set\n");
337 return CMD_RET_FAILURE;
338 }
339 } else {
340 net_ntp_server = string_to_ip(argv[1]);
341 if (net_ntp_server.s_addr == 0) {
342 printf("Bad NTP server IP address\n");
343 return CMD_RET_FAILURE;
344 }
345 }
346
347 toff = env_get("timeoffset");
348 if (toff == NULL)
349 net_ntp_time_offset = 0;
350 else
351 net_ntp_time_offset = simple_strtol(toff, NULL, 10);
352
353 if (net_loop(SNTP) < 0) {
354 printf("SNTP failed: host %pI4 not responding\n",
355 &net_ntp_server);
356 return CMD_RET_FAILURE;
357 }
358
359 return CMD_RET_SUCCESS;
360}
361
362U_BOOT_CMD(
363 sntp, 2, 1, do_sntp,
364 "synchronize RTC via network",
365 "[NTP server IP]\n"
366);
367#endif
368
369#if defined(CONFIG_CMD_DNS)
370int do_dns(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
371{
372 if (argc == 1)
373 return CMD_RET_USAGE;
374
375
376
377
378
379
380
381
382
383
384
385
386
387 if (strlen(argv[1]) >= 255) {
388 printf("dns error: hostname too long\n");
389 return CMD_RET_FAILURE;
390 }
391
392 net_dns_resolve = argv[1];
393
394 if (argc == 3)
395 net_dns_env_var = argv[2];
396 else
397 net_dns_env_var = NULL;
398
399 if (net_loop(DNS) < 0) {
400 printf("dns lookup of %s failed, check setup\n", argv[1]);
401 return CMD_RET_FAILURE;
402 }
403
404 return CMD_RET_SUCCESS;
405}
406
407U_BOOT_CMD(
408 dns, 3, 1, do_dns,
409 "lookup the IP of a hostname",
410 "hostname [envvar]"
411);
412
413#endif
414
415#if defined(CONFIG_CMD_LINK_LOCAL)
416static int do_link_local(cmd_tbl_t *cmdtp, int flag, int argc,
417 char * const argv[])
418{
419 char tmp[22];
420
421 if (net_loop(LINKLOCAL) < 0)
422 return CMD_RET_FAILURE;
423
424 net_gateway.s_addr = 0;
425 ip_to_string(net_gateway, tmp);
426 env_set("gatewayip", tmp);
427
428 ip_to_string(net_netmask, tmp);
429 env_set("netmask", tmp);
430
431 ip_to_string(net_ip, tmp);
432 env_set("ipaddr", tmp);
433 env_set("llipaddr", tmp);
434
435 return CMD_RET_SUCCESS;
436}
437
438U_BOOT_CMD(
439 linklocal, 1, 1, do_link_local,
440 "acquire a network IP address using the link-local protocol",
441 ""
442);
443
444#endif
445
