xref: /rk3399_rockchip-uboot/cmd/net.c (revision 258d2dcb26879538abc00fc64a8a34c45c046465)
1 /*
2  * (C) Copyright 2000
3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 
8 /*
9  * Boot support
10  */
11 #include <common.h>
12 #include <command.h>
13 #include <net.h>
14 #include <boot_rkimg.h>
15 
16 static int netboot_common(enum proto_t, cmd_tbl_t *, int, char * const []);
17 
18 static 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 
23 U_BOOT_CMD(
24 	bootp,	3,	1,	do_bootp,
25 	"boot image via network using BOOTP/TFTP protocol",
26 	"[loadAddress] [[hostIPaddr:]bootfilename]"
27 );
28 
29 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
30 {
31 	int ret;
32 
33 	bootstage_mark_name(BOOTSTAGE_KERNELREAD_START, "tftp_start");
34 	ret = netboot_common(TFTPGET, cmdtp, argc, argv);
35 	bootstage_mark_name(BOOTSTAGE_KERNELREAD_STOP, "tftp_done");
36 	return ret;
37 }
38 
39 U_BOOT_CMD(
40 	tftp,		3,	1,	do_tftpb,
41 	"download image via network using TFTP protocol",
42 	"[loadAddress] [[hostIPaddr:]bootfilename]"
43 );
44 
45 #ifdef CONFIG_CMD_TFTP_BOOTM
46 int do_tftpbootm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
47 {
48 	char *tftp_argv[] = { "tftp", NULL, NULL };
49 	char *bootm_argv[] = { "bootm", NULL };
50 	char *fileaddr;
51 	ulong filesize;
52 
53 	if (argc != 3)
54 		return CMD_RET_USAGE;
55 
56 	/* tftp download */
57 	tftp_argv[1] = argv[1];
58 	tftp_argv[2] = argv[2];
59 	if (do_tftpb(cmdtp, 0, 3, tftp_argv))
60 		return -ENOENT;
61 
62 	fileaddr = env_get("fileaddr");
63 	filesize = env_get_ulong("filesize", 16, 0);
64 	if (!fileaddr || !filesize)
65 		return -ENOENT;
66 
67 	/* bootm */
68 	bootm_argv[1] = fileaddr;
69 	printf("## TFTP bootm %s at %s size 0x%lx\n",
70 	       argv[2], fileaddr, filesize);
71 
72 	return do_bootm(NULL, 0, ARRAY_SIZE(bootm_argv), bootm_argv);
73 }
74 
75 U_BOOT_CMD(
76 	tftpbootm,	3,	1,	do_tftpbootm,
77 	"tftpbootm aosp/uImage/FIT image via network using TFTP protocol",
78 	"[loadAddress] [[hostIPaddr:]bootfilename]"
79 );
80 #endif
81 
82 #ifdef CONFIG_CMD_TFTP_FLASH
83 int do_tftpflash(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
84 {
85 	char *tftp_argv[] = { "tftp", NULL, NULL };
86 	struct blk_desc *dev_desc;
87 	disk_partition_t part;
88 	ulong fileaddr;
89 	ulong filesize;
90 	char *part_name;
91 	int ret, blknum;
92 
93 	if (argc != 4)
94 		return CMD_RET_USAGE;
95 
96 	/* search partition */
97 	dev_desc = rockchip_get_bootdev();
98 	if (!dev_desc) {
99 		printf("No boot device\n");
100 		return -ENODEV;
101 	}
102 
103 	part_name = argv[3];
104 	ret = part_get_info_by_name(dev_desc, part_name, &part);
105 	if (ret < 0) {
106 		printf("No partition '%s'\n", part_name);
107 		return -EINVAL;
108 	}
109 
110 	/* tftp download */
111 	tftp_argv[1] = argv[1];
112 	tftp_argv[2] = argv[2];
113 	if (do_tftpb(cmdtp, 0, ARRAY_SIZE(tftp_argv), tftp_argv))
114 		return -ENOENT;
115 
116 	fileaddr = env_get_ulong("fileaddr", 16, 0);
117 	filesize = env_get_ulong("filesize", 16, 0);
118 	if (!fileaddr || !filesize)
119 		return -ENOENT;
120 
121 	/* flash */
122 	blknum = DIV_ROUND_UP(filesize, dev_desc->blksz);
123 	if (blknum > part.size) {
124 		printf("File size 0x%lx is too large to flash\n", filesize);
125 		return -EINVAL;
126 	}
127 
128 	printf("## TFTP flash %s to partititon '%s' size 0x%lx ... ",
129 	       argv[2], part_name, filesize);
130 
131 	ret = blk_dwrite(dev_desc, part.start, blknum, (void *)fileaddr);
132 	if (ret != blknum)
133 		printf("Failed(%d)\n", ret);
134 	else
135 		printf("OK\n");
136 
137 	return 0;
138 }
139 
140 U_BOOT_CMD(
141 	tftpflash,	4,	0,	do_tftpflash,
142 	"flash image via network using TFTP protocol",
143 	"[loadAddress] [[hostIPaddr:]bootfilename] [partition]"
144 );
145 #endif
146 
147 #ifdef CONFIG_CMD_TFTPPUT
148 static int do_tftpput(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
149 {
150 	return netboot_common(TFTPPUT, cmdtp, argc, argv);
151 }
152 
153 U_BOOT_CMD(
154 	tftpput,	4,	1,	do_tftpput,
155 	"TFTP put command, for uploading files to a server",
156 	"Address Size [[hostIPaddr:]filename]"
157 );
158 #endif
159 
160 #ifdef CONFIG_CMD_TFTPSRV
161 static int do_tftpsrv(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
162 {
163 	return netboot_common(TFTPSRV, cmdtp, argc, argv);
164 }
165 
166 U_BOOT_CMD(
167 	tftpsrv,	2,	1,	do_tftpsrv,
168 	"act as a TFTP server and boot the first received file",
169 	"[loadAddress]\n"
170 	"Listen for an incoming TFTP transfer, receive a file and boot it.\n"
171 	"The transfer is aborted if a transfer has not been started after\n"
172 	"about 50 seconds or if Ctrl-C is pressed."
173 );
174 #endif
175 
176 #ifdef CONFIG_UDP_FUNCTION_FASTBOOT
177 int do_fastboot_udp(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
178 {
179 	return netboot_common(FASTBOOT, cmdtp, argc, argv);
180 }
181 #endif
182 
183 #ifdef CONFIG_CMD_RARP
184 int do_rarpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
185 {
186 	return netboot_common(RARP, cmdtp, argc, argv);
187 }
188 
189 U_BOOT_CMD(
190 	rarpboot,	3,	1,	do_rarpb,
191 	"boot image via network using RARP/TFTP protocol",
192 	"[loadAddress] [[hostIPaddr:]bootfilename]"
193 );
194 #endif
195 
196 #if defined(CONFIG_CMD_DHCP)
197 static int do_dhcp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
198 {
199 	return netboot_common(DHCP, cmdtp, argc, argv);
200 }
201 
202 U_BOOT_CMD(
203 	dhcp,	3,	1,	do_dhcp,
204 	"boot image via network using DHCP/TFTP protocol",
205 	"[loadAddress] [[hostIPaddr:]bootfilename]"
206 );
207 #endif
208 
209 #if defined(CONFIG_CMD_NFS)
210 static int do_nfs(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
211 {
212 	return netboot_common(NFS, cmdtp, argc, argv);
213 }
214 
215 U_BOOT_CMD(
216 	nfs,	3,	1,	do_nfs,
217 	"boot image via network using NFS protocol",
218 	"[loadAddress] [[hostIPaddr:]bootfilename]"
219 );
220 #endif
221 
222 static void netboot_update_env(void)
223 {
224 	char tmp[22];
225 
226 	if (net_gateway.s_addr) {
227 		ip_to_string(net_gateway, tmp);
228 		env_set("gatewayip", tmp);
229 	}
230 
231 	if (net_netmask.s_addr) {
232 		ip_to_string(net_netmask, tmp);
233 		env_set("netmask", tmp);
234 	}
235 
236 	if (net_hostname[0])
237 		env_set("hostname", net_hostname);
238 
239 	if (net_root_path[0])
240 		env_set("rootpath", net_root_path);
241 
242 	if (net_ip.s_addr) {
243 		ip_to_string(net_ip, tmp);
244 		env_set("ipaddr", tmp);
245 	}
246 #if !defined(CONFIG_BOOTP_SERVERIP)
247 	/*
248 	 * Only attempt to change serverip if net/bootp.c:store_net_params()
249 	 * could have set it
250 	 */
251 	if (net_server_ip.s_addr) {
252 		ip_to_string(net_server_ip, tmp);
253 		env_set("serverip", tmp);
254 	}
255 #endif
256 	if (net_dns_server.s_addr) {
257 		ip_to_string(net_dns_server, tmp);
258 		env_set("dnsip", tmp);
259 	}
260 #if defined(CONFIG_BOOTP_DNS2)
261 	if (net_dns_server2.s_addr) {
262 		ip_to_string(net_dns_server2, tmp);
263 		env_set("dnsip2", tmp);
264 	}
265 #endif
266 	if (net_nis_domain[0])
267 		env_set("domain", net_nis_domain);
268 
269 #if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_TIMEOFFSET)
270 	if (net_ntp_time_offset) {
271 		sprintf(tmp, "%d", net_ntp_time_offset);
272 		env_set("timeoffset", tmp);
273 	}
274 #endif
275 #if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_NTPSERVER)
276 	if (net_ntp_server.s_addr) {
277 		ip_to_string(net_ntp_server, tmp);
278 		env_set("ntpserverip", tmp);
279 	}
280 #endif
281 }
282 
283 static int netboot_common(enum proto_t proto, cmd_tbl_t *cmdtp, int argc,
284 		char * const argv[])
285 {
286 	char *s;
287 	char *end;
288 	int   rcode = 0;
289 	int   size;
290 	ulong addr;
291 
292 	/* pre-set load_addr */
293 	s = env_get("loadaddr");
294 	if (s != NULL)
295 		load_addr = simple_strtoul(s, NULL, 16);
296 
297 	switch (argc) {
298 	case 1:
299 		break;
300 
301 	case 2:	/*
302 		 * Only one arg - accept two forms:
303 		 * Just load address, or just boot file name. The latter
304 		 * form must be written in a format which can not be
305 		 * mis-interpreted as a valid number.
306 		 */
307 		addr = simple_strtoul(argv[1], &end, 16);
308 		if (end == (argv[1] + strlen(argv[1])))
309 			load_addr = addr;
310 		else
311 			copy_filename(net_boot_file_name, argv[1],
312 				      sizeof(net_boot_file_name));
313 		break;
314 
315 	case 3:
316 		load_addr = simple_strtoul(argv[1], NULL, 16);
317 		copy_filename(net_boot_file_name, argv[2],
318 			      sizeof(net_boot_file_name));
319 
320 		break;
321 
322 #ifdef CONFIG_CMD_TFTPPUT
323 	case 4:
324 		if (strict_strtoul(argv[1], 16, &save_addr) < 0 ||
325 		    strict_strtoul(argv[2], 16, &save_size) < 0) {
326 			printf("Invalid address/size\n");
327 			return CMD_RET_USAGE;
328 		}
329 		copy_filename(net_boot_file_name, argv[3],
330 			      sizeof(net_boot_file_name));
331 		break;
332 #endif
333 	default:
334 		bootstage_error(BOOTSTAGE_ID_NET_START);
335 		return CMD_RET_USAGE;
336 	}
337 	bootstage_mark(BOOTSTAGE_ID_NET_START);
338 
339 	size = net_loop(proto);
340 	if (size < 0) {
341 		bootstage_error(BOOTSTAGE_ID_NET_NETLOOP_OK);
342 		return CMD_RET_FAILURE;
343 	}
344 	bootstage_mark(BOOTSTAGE_ID_NET_NETLOOP_OK);
345 
346 	/* net_loop ok, update environment */
347 	netboot_update_env();
348 
349 	/* done if no file was loaded (no errors though) */
350 	if (size == 0) {
351 		bootstage_error(BOOTSTAGE_ID_NET_LOADED);
352 		return CMD_RET_SUCCESS;
353 	}
354 
355 	bootstage_mark(BOOTSTAGE_ID_NET_LOADED);
356 
357 	rcode = bootm_maybe_autostart(cmdtp, argv[0]);
358 
359 	if (rcode == CMD_RET_SUCCESS)
360 		bootstage_mark(BOOTSTAGE_ID_NET_DONE);
361 	else
362 		bootstage_error(BOOTSTAGE_ID_NET_DONE_ERR);
363 	return rcode;
364 }
365 
366 #if defined(CONFIG_CMD_PING)
367 static int do_ping(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
368 {
369 	if (argc < 2)
370 		return CMD_RET_USAGE;
371 
372 	net_ping_ip = string_to_ip(argv[1]);
373 	if (net_ping_ip.s_addr == 0)
374 		return CMD_RET_USAGE;
375 
376 	if (net_loop(PING) < 0) {
377 		printf("ping failed; host %s is not alive\n", argv[1]);
378 		return CMD_RET_FAILURE;
379 	}
380 
381 	printf("host %s is alive\n", argv[1]);
382 
383 	return CMD_RET_SUCCESS;
384 }
385 
386 U_BOOT_CMD(
387 	ping,	2,	1,	do_ping,
388 	"send ICMP ECHO_REQUEST to network host",
389 	"pingAddress"
390 );
391 #endif
392 
393 #if defined(CONFIG_CMD_CDP)
394 
395 static void cdp_update_env(void)
396 {
397 	char tmp[16];
398 
399 	if (cdp_appliance_vlan != htons(-1)) {
400 		printf("CDP offered appliance VLAN %d\n",
401 		       ntohs(cdp_appliance_vlan));
402 		vlan_to_string(cdp_appliance_vlan, tmp);
403 		env_set("vlan", tmp);
404 		net_our_vlan = cdp_appliance_vlan;
405 	}
406 
407 	if (cdp_native_vlan != htons(-1)) {
408 		printf("CDP offered native VLAN %d\n", ntohs(cdp_native_vlan));
409 		vlan_to_string(cdp_native_vlan, tmp);
410 		env_set("nvlan", tmp);
411 		net_native_vlan = cdp_native_vlan;
412 	}
413 }
414 
415 int do_cdp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
416 {
417 	int r;
418 
419 	r = net_loop(CDP);
420 	if (r < 0) {
421 		printf("cdp failed; perhaps not a CISCO switch?\n");
422 		return CMD_RET_FAILURE;
423 	}
424 
425 	cdp_update_env();
426 
427 	return CMD_RET_SUCCESS;
428 }
429 
430 U_BOOT_CMD(
431 	cdp,	1,	1,	do_cdp,
432 	"Perform CDP network configuration",
433 	"\n"
434 );
435 #endif
436 
437 #if defined(CONFIG_CMD_SNTP)
438 int do_sntp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
439 {
440 	char *toff;
441 
442 	if (argc < 2) {
443 		net_ntp_server = env_get_ip("ntpserverip");
444 		if (net_ntp_server.s_addr == 0) {
445 			printf("ntpserverip not set\n");
446 			return CMD_RET_FAILURE;
447 		}
448 	} else {
449 		net_ntp_server = string_to_ip(argv[1]);
450 		if (net_ntp_server.s_addr == 0) {
451 			printf("Bad NTP server IP address\n");
452 			return CMD_RET_FAILURE;
453 		}
454 	}
455 
456 	toff = env_get("timeoffset");
457 	if (toff == NULL)
458 		net_ntp_time_offset = 0;
459 	else
460 		net_ntp_time_offset = simple_strtol(toff, NULL, 10);
461 
462 	if (net_loop(SNTP) < 0) {
463 		printf("SNTP failed: host %pI4 not responding\n",
464 		       &net_ntp_server);
465 		return CMD_RET_FAILURE;
466 	}
467 
468 	return CMD_RET_SUCCESS;
469 }
470 
471 U_BOOT_CMD(
472 	sntp,	2,	1,	do_sntp,
473 	"synchronize RTC via network",
474 	"[NTP server IP]\n"
475 );
476 #endif
477 
478 #if defined(CONFIG_CMD_DNS)
479 int do_dns(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
480 {
481 	if (argc == 1)
482 		return CMD_RET_USAGE;
483 
484 	/*
485 	 * We should check for a valid hostname:
486 	 * - Each label must be between 1 and 63 characters long
487 	 * - the entire hostname has a maximum of 255 characters
488 	 * - only the ASCII letters 'a' through 'z' (case-insensitive),
489 	 *   the digits '0' through '9', and the hyphen
490 	 * - cannot begin or end with a hyphen
491 	 * - no other symbols, punctuation characters, or blank spaces are
492 	 *   permitted
493 	 * but hey - this is a minimalist implmentation, so only check length
494 	 * and let the name server deal with things.
495 	 */
496 	if (strlen(argv[1]) >= 255) {
497 		printf("dns error: hostname too long\n");
498 		return CMD_RET_FAILURE;
499 	}
500 
501 	net_dns_resolve = argv[1];
502 
503 	if (argc == 3)
504 		net_dns_env_var = argv[2];
505 	else
506 		net_dns_env_var = NULL;
507 
508 	if (net_loop(DNS) < 0) {
509 		printf("dns lookup of %s failed, check setup\n", argv[1]);
510 		return CMD_RET_FAILURE;
511 	}
512 
513 	return CMD_RET_SUCCESS;
514 }
515 
516 U_BOOT_CMD(
517 	dns,	3,	1,	do_dns,
518 	"lookup the IP of a hostname",
519 	"hostname [envvar]"
520 );
521 
522 #endif	/* CONFIG_CMD_DNS */
523 
524 #if defined(CONFIG_CMD_LINK_LOCAL)
525 static int do_link_local(cmd_tbl_t *cmdtp, int flag, int argc,
526 			char * const argv[])
527 {
528 	char tmp[22];
529 
530 	if (net_loop(LINKLOCAL) < 0)
531 		return CMD_RET_FAILURE;
532 
533 	net_gateway.s_addr = 0;
534 	ip_to_string(net_gateway, tmp);
535 	env_set("gatewayip", tmp);
536 
537 	ip_to_string(net_netmask, tmp);
538 	env_set("netmask", tmp);
539 
540 	ip_to_string(net_ip, tmp);
541 	env_set("ipaddr", tmp);
542 	env_set("llipaddr", tmp); /* store this for next time */
543 
544 	return CMD_RET_SUCCESS;
545 }
546 
547 U_BOOT_CMD(
548 	linklocal,	1,	1,	do_link_local,
549 	"acquire a network IP address using the link-local protocol",
550 	""
551 );
552 
553 #endif  /* CONFIG_CMD_LINK_LOCAL */
554