1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * (C) Copyright 2000
4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 */
6
7 #define LOG_CATEGORY UCLASS_ETH
8
9 /*
10 * Boot support
11 */
12 #include <common.h>
13 #include <bootstage.h>
14 #include <command.h>
15 #include <dm.h>
16 #include <env.h>
17 #include <image.h>
18 #include <log.h>
19 #include <net.h>
20 #include <net6.h>
21 #include <net/udp.h>
22 #include <net/sntp.h>
23 #include <net/ncsi.h>
24
25 static int netboot_common(enum proto_t, struct cmd_tbl *, int, char * const []);
26
27 #ifdef CONFIG_CMD_BOOTP
do_bootp(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])28 static int do_bootp(struct cmd_tbl *cmdtp, int flag, int argc,
29 char *const argv[])
30 {
31 return netboot_common(BOOTP, cmdtp, argc, argv);
32 }
33
34 U_BOOT_CMD(
35 bootp, 3, 1, do_bootp,
36 "boot image via network using BOOTP/TFTP protocol",
37 "[loadAddress] [[hostIPaddr:]bootfilename]"
38 );
39 #endif
40
41 #ifdef CONFIG_CMD_TFTPBOOT
do_tftpb(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])42 int do_tftpb(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
43 {
44 int ret;
45
46 bootstage_mark_name(BOOTSTAGE_KERNELREAD_START, "tftp_start");
47 ret = netboot_common(TFTPGET, cmdtp, argc, argv);
48 bootstage_mark_name(BOOTSTAGE_KERNELREAD_STOP, "tftp_done");
49 return ret;
50 }
51
52 #if IS_ENABLED(CONFIG_IPV6)
53 U_BOOT_CMD(
54 tftpboot, 4, 1, do_tftpb,
55 "boot image via network using TFTP protocol\n"
56 "To use IPv6 add -ipv6 parameter or use IPv6 hostIPaddr framed "
57 "with [] brackets",
58 "[loadAddress] [[hostIPaddr:]bootfilename] [" USE_IP6_CMD_PARAM "]"
59 );
60 #else
61 U_BOOT_CMD(
62 tftpboot, 3, 1, do_tftpb,
63 "load file via network using TFTP protocol",
64 "[loadAddress] [[hostIPaddr:]bootfilename]"
65 );
66 #endif
67 #endif
68
69 #ifdef CONFIG_CMD_TFTPPUT
do_tftpput(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])70 static int do_tftpput(struct cmd_tbl *cmdtp, int flag, int argc,
71 char *const argv[])
72 {
73 return netboot_common(TFTPPUT, cmdtp, argc, argv);
74 }
75
76 U_BOOT_CMD(
77 tftpput, 4, 1, do_tftpput,
78 "TFTP put command, for uploading files to a server",
79 "Address Size [[hostIPaddr:]filename]"
80 );
81 #endif
82
83 #ifdef CONFIG_CMD_TFTPSRV
do_tftpsrv(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])84 static int do_tftpsrv(struct cmd_tbl *cmdtp, int flag, int argc,
85 char *const argv[])
86 {
87 return netboot_common(TFTPSRV, cmdtp, argc, argv);
88 }
89
90 U_BOOT_CMD(
91 tftpsrv, 2, 1, do_tftpsrv,
92 "act as a TFTP server and boot the first received file",
93 "[loadAddress]\n"
94 "Listen for an incoming TFTP transfer, receive a file and boot it.\n"
95 "The transfer is aborted if a transfer has not been started after\n"
96 "about 50 seconds or if Ctrl-C is pressed."
97 );
98 #endif
99
100
101 #ifdef CONFIG_CMD_RARP
do_rarpb(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])102 int do_rarpb(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
103 {
104 return netboot_common(RARP, cmdtp, argc, argv);
105 }
106
107 U_BOOT_CMD(
108 rarpboot, 3, 1, do_rarpb,
109 "boot image via network using RARP/TFTP protocol",
110 "[loadAddress] [[hostIPaddr:]bootfilename]"
111 );
112 #endif
113
114 #if defined(CONFIG_CMD_DHCP6)
do_dhcp6(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])115 static int do_dhcp6(struct cmd_tbl *cmdtp, int flag, int argc,
116 char *const argv[])
117 {
118 int i;
119 int dhcp_argc;
120 char *dhcp_argv[] = {NULL, NULL, NULL, NULL};
121
122 /* Add -ipv6 flag for autoload */
123 for (i = 0; i < argc; i++)
124 dhcp_argv[i] = argv[i];
125 dhcp_argc = argc + 1;
126 dhcp_argv[dhcp_argc - 1] = USE_IP6_CMD_PARAM;
127
128 return netboot_common(DHCP6, cmdtp, dhcp_argc, dhcp_argv);
129 }
130
131 U_BOOT_CMD(dhcp6, 3, 1, do_dhcp6,
132 "boot image via network using DHCPv6/TFTP protocol.\n"
133 "Use IPv6 hostIPaddr framed with [] brackets",
134 "[loadAddress] [[hostIPaddr:]bootfilename]");
135 #endif
136
137 #if defined(CONFIG_CMD_DHCP)
do_dhcp(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])138 static int do_dhcp(struct cmd_tbl *cmdtp, int flag, int argc,
139 char *const argv[])
140 {
141 return netboot_common(DHCP, cmdtp, argc, argv);
142 }
143
144 U_BOOT_CMD(
145 dhcp, 3, 1, do_dhcp,
146 "boot image via network using DHCP/TFTP protocol",
147 "[loadAddress] [[hostIPaddr:]bootfilename]"
148 );
149
dhcp_run(ulong addr,const char * fname,bool autoload)150 int dhcp_run(ulong addr, const char *fname, bool autoload)
151 {
152 char *dhcp_argv[] = {"dhcp", NULL, (char *)fname, NULL};
153 struct cmd_tbl cmdtp = {}; /* dummy */
154 char file_addr[17];
155 int old_autoload;
156 int ret, result;
157
158 log_debug("addr=%lx, fname=%s, autoload=%d\n", addr, fname, autoload);
159 old_autoload = env_get_yesno("autoload");
160 ret = env_set("autoload", autoload ? "y" : "n");
161 if (ret)
162 return log_msg_ret("en1", -EINVAL);
163
164 if (autoload) {
165 sprintf(file_addr, "%lx", addr);
166 dhcp_argv[1] = file_addr;
167 }
168
169 result = do_dhcp(&cmdtp, 0, !autoload ? 1 : fname ? 3 : 2, dhcp_argv);
170
171 ret = env_set("autoload", old_autoload == -1 ? NULL :
172 old_autoload ? "y" : "n");
173 if (ret)
174 return log_msg_ret("en2", -EINVAL);
175
176 if (result)
177 return log_msg_ret("res", -ENOENT);
178
179 return 0;
180 }
181 #endif
182
183 #if defined(CONFIG_CMD_NFS)
do_nfs(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])184 static int do_nfs(struct cmd_tbl *cmdtp, int flag, int argc,
185 char *const argv[])
186 {
187 return netboot_common(NFS, cmdtp, argc, argv);
188 }
189
190 U_BOOT_CMD(
191 nfs, 3, 1, do_nfs,
192 "boot image via network using NFS protocol",
193 "[loadAddress] [[hostIPaddr:]bootfilename]"
194 );
195 #endif
196
197 #if defined(CONFIG_CMD_WGET)
do_wget(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])198 static int do_wget(struct cmd_tbl *cmdtp, int flag, int argc, char * const argv[])
199 {
200 return netboot_common(WGET, cmdtp, argc, argv);
201 }
202
203 U_BOOT_CMD(
204 wget, 3, 1, do_wget,
205 "boot image via network using HTTP protocol",
206 "[loadAddress] [[hostIPaddr:]path and image name]"
207 );
208 #endif
209
netboot_update_env(void)210 static void netboot_update_env(void)
211 {
212 char tmp[46];
213
214 if (net_gateway.s_addr) {
215 ip_to_string(net_gateway, tmp);
216 env_set("gatewayip", tmp);
217 }
218
219 if (net_netmask.s_addr) {
220 ip_to_string(net_netmask, tmp);
221 env_set("netmask", tmp);
222 }
223
224 #ifdef CONFIG_CMD_BOOTP
225 if (net_hostname[0])
226 env_set("hostname", net_hostname);
227 #endif
228
229 #ifdef CONFIG_CMD_BOOTP
230 if (net_root_path[0])
231 env_set("rootpath", net_root_path);
232 #endif
233
234 if (net_ip.s_addr) {
235 ip_to_string(net_ip, tmp);
236 env_set("ipaddr", tmp);
237 }
238 /*
239 * Only attempt to change serverip if net/bootp.c:store_net_params()
240 * could have set it
241 */
242 if (!IS_ENABLED(CONFIG_BOOTP_SERVERIP) && net_server_ip.s_addr) {
243 ip_to_string(net_server_ip, tmp);
244 env_set("serverip", tmp);
245 }
246 if (net_dns_server.s_addr) {
247 ip_to_string(net_dns_server, tmp);
248 env_set("dnsip", tmp);
249 }
250 #if defined(CONFIG_BOOTP_DNS2)
251 if (net_dns_server2.s_addr) {
252 ip_to_string(net_dns_server2, tmp);
253 env_set("dnsip2", tmp);
254 }
255 #endif
256 #ifdef CONFIG_CMD_BOOTP
257 if (net_nis_domain[0])
258 env_set("domain", net_nis_domain);
259 #endif
260
261 #if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_TIMEOFFSET)
262 if (net_ntp_time_offset) {
263 sprintf(tmp, "%d", net_ntp_time_offset);
264 env_set("timeoffset", tmp);
265 }
266 #endif
267 #if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_NTPSERVER)
268 if (net_ntp_server.s_addr) {
269 ip_to_string(net_ntp_server, tmp);
270 env_set("ntpserverip", tmp);
271 }
272 #endif
273
274 if (IS_ENABLED(CONFIG_IPV6)) {
275 if (!ip6_is_unspecified_addr(&net_ip6) ||
276 net_prefix_length != 0) {
277 if (net_prefix_length != 0)
278 snprintf(tmp, sizeof(tmp), "%pI6c/%d", &net_ip6, net_prefix_length);
279 else
280 snprintf(tmp, sizeof(tmp), "%pI6c", &net_ip6);
281 env_set("ip6addr", tmp);
282 }
283
284 if (!ip6_is_unspecified_addr(&net_server_ip6)) {
285 snprintf(tmp, sizeof(tmp), "%pI6c", &net_server_ip6);
286 env_set("serverip6", tmp);
287 }
288
289 if (!ip6_is_unspecified_addr(&net_gateway6)) {
290 snprintf(tmp, sizeof(tmp), "%pI6c", &net_gateway6);
291 env_set("gatewayip6", tmp);
292 }
293 }
294 }
295
296 /**
297 * parse_addr_size() - parse address and size arguments for tftpput
298 *
299 * @argv: command line arguments
300 * Return: 0 on success
301 */
parse_addr_size(char * const argv[])302 static int parse_addr_size(char * const argv[])
303 {
304 if (strict_strtoul(argv[1], 16, &image_save_addr) < 0 ||
305 strict_strtoul(argv[2], 16, &image_save_size) < 0) {
306 printf("Invalid address/size\n");
307 return CMD_RET_USAGE;
308 }
309 return 0;
310 }
311
312 /**
313 * parse_args() - parse command line arguments
314 *
315 * @proto: command prototype
316 * @argc: number of arguments
317 * @argv: command line arguments
318 * Return: 0 on success
319 */
parse_args(enum proto_t proto,int argc,char * const argv[])320 static int parse_args(enum proto_t proto, int argc, char *const argv[])
321 {
322 ulong addr;
323 char *end;
324
325 switch (argc) {
326 case 1:
327 if (IS_ENABLED(CONFIG_CMD_TFTPPUT) && proto == TFTPPUT)
328 return 1;
329
330 /* refresh bootfile name from env */
331 copy_filename(net_boot_file_name, env_get("bootfile"),
332 sizeof(net_boot_file_name));
333 break;
334
335 case 2:
336 if (IS_ENABLED(CONFIG_CMD_TFTPPUT) && proto == TFTPPUT)
337 return 1;
338 /*
339 * Only one arg - accept two forms:
340 * Just load address, or just boot file name. The latter
341 * form must be written in a format which can not be
342 * mis-interpreted as a valid number.
343 */
344 addr = hextoul(argv[1], &end);
345 if (end == (argv[1] + strlen(argv[1]))) {
346 image_load_addr = addr;
347 /* refresh bootfile name from env */
348 copy_filename(net_boot_file_name, env_get("bootfile"),
349 sizeof(net_boot_file_name));
350 } else {
351 net_boot_file_name_explicit = true;
352 copy_filename(net_boot_file_name, argv[1],
353 sizeof(net_boot_file_name));
354 }
355 break;
356
357 case 3:
358 if (IS_ENABLED(CONFIG_CMD_TFTPPUT) && proto == TFTPPUT) {
359 if (parse_addr_size(argv))
360 return 1;
361 } else {
362 image_load_addr = hextoul(argv[1], NULL);
363 net_boot_file_name_explicit = true;
364 copy_filename(net_boot_file_name, argv[2],
365 sizeof(net_boot_file_name));
366 }
367 break;
368
369 #ifdef CONFIG_CMD_TFTPPUT
370 case 4:
371 if (parse_addr_size(argv))
372 return 1;
373 net_boot_file_name_explicit = true;
374 copy_filename(net_boot_file_name, argv[3],
375 sizeof(net_boot_file_name));
376 break;
377 #endif
378 default:
379 return 1;
380 }
381 return 0;
382 }
383
netboot_common(enum proto_t proto,struct cmd_tbl * cmdtp,int argc,char * const argv[])384 static int netboot_common(enum proto_t proto, struct cmd_tbl *cmdtp, int argc,
385 char *const argv[])
386 {
387 char *s;
388 int rcode = 0;
389 int size;
390
391 net_boot_file_name_explicit = false;
392 *net_boot_file_name = '\0';
393
394 /* pre-set image_load_addr */
395 s = env_get("loadaddr");
396 if (s != NULL)
397 image_load_addr = hextoul(s, NULL);
398
399 if (IS_ENABLED(CONFIG_IPV6)) {
400 use_ip6 = false;
401
402 /* IPv6 parameter has to be always *last* */
403 if (!strcmp(argv[argc - 1], USE_IP6_CMD_PARAM)) {
404 use_ip6 = true;
405 /* It is a hack not to break switch/case code */
406 --argc;
407 }
408 }
409
410 if (parse_args(proto, argc, argv)) {
411 bootstage_error(BOOTSTAGE_ID_NET_START);
412 return CMD_RET_USAGE;
413 }
414
415 bootstage_mark(BOOTSTAGE_ID_NET_START);
416
417 if (IS_ENABLED(CONFIG_IPV6) && !use_ip6) {
418 char *s, *e;
419 size_t len;
420
421 s = strchr(net_boot_file_name, '[');
422 e = strchr(net_boot_file_name, ']');
423 if (s && e) {
424 len = e - s;
425 if (!string_to_ip6(s + 1, len - 1, &net_server_ip6))
426 use_ip6 = true;
427 }
428 }
429
430 size = net_loop(proto);
431 if (size < 0) {
432 bootstage_error(BOOTSTAGE_ID_NET_NETLOOP_OK);
433 return CMD_RET_FAILURE;
434 }
435 bootstage_mark(BOOTSTAGE_ID_NET_NETLOOP_OK);
436
437 /* net_loop ok, update environment */
438 netboot_update_env();
439
440 /* done if no file was loaded (no errors though) */
441 if (size == 0) {
442 bootstage_error(BOOTSTAGE_ID_NET_LOADED);
443 return CMD_RET_SUCCESS;
444 }
445
446 bootstage_mark(BOOTSTAGE_ID_NET_LOADED);
447
448 rcode = bootm_maybe_autostart(cmdtp, argv[0]);
449
450 if (rcode == CMD_RET_SUCCESS)
451 bootstage_mark(BOOTSTAGE_ID_NET_DONE);
452 else
453 bootstage_error(BOOTSTAGE_ID_NET_DONE_ERR);
454 return rcode;
455 }
456
457 #if defined(CONFIG_CMD_PING)
do_ping(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])458 static int do_ping(struct cmd_tbl *cmdtp, int flag, int argc,
459 char *const argv[])
460 {
461 if (argc < 2)
462 return CMD_RET_USAGE;
463
464 net_ping_ip = string_to_ip(argv[1]);
465 if (net_ping_ip.s_addr == 0)
466 return CMD_RET_USAGE;
467
468 if (net_loop(PING) < 0) {
469 printf("ping failed; host %s is not alive\n", argv[1]);
470 return CMD_RET_FAILURE;
471 }
472
473 printf("host %s is alive\n", argv[1]);
474
475 return CMD_RET_SUCCESS;
476 }
477
478 U_BOOT_CMD(
479 ping, 2, 1, do_ping,
480 "send ICMP ECHO_REQUEST to network host",
481 "pingAddress"
482 );
483 #endif
484
485 #if IS_ENABLED(CONFIG_CMD_PING6)
do_ping6(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])486 int do_ping6(struct cmd_tbl *cmdtp, int flag, int argc, char * const argv[])
487 {
488 if (string_to_ip6(argv[1], strlen(argv[1]), &net_ping_ip6))
489 return CMD_RET_USAGE;
490
491 use_ip6 = true;
492 if (net_loop(PING6) < 0) {
493 use_ip6 = false;
494 printf("ping6 failed; host %pI6c is not alive\n",
495 &net_ping_ip6);
496 return 1;
497 }
498
499 use_ip6 = false;
500 printf("host %pI6c is alive\n", &net_ping_ip6);
501 return 0;
502 }
503
504 U_BOOT_CMD(
505 ping6, 2, 1, do_ping6,
506 "send ICMPv6 ECHO_REQUEST to network host",
507 "pingAddress"
508 );
509 #endif /* CONFIG_CMD_PING6 */
510
511 #if defined(CONFIG_CMD_CDP)
512
cdp_update_env(void)513 static void cdp_update_env(void)
514 {
515 char tmp[16];
516
517 if (cdp_appliance_vlan != htons(-1)) {
518 printf("CDP offered appliance VLAN %d\n",
519 ntohs(cdp_appliance_vlan));
520 vlan_to_string(cdp_appliance_vlan, tmp);
521 env_set("vlan", tmp);
522 net_our_vlan = cdp_appliance_vlan;
523 }
524
525 if (cdp_native_vlan != htons(-1)) {
526 printf("CDP offered native VLAN %d\n", ntohs(cdp_native_vlan));
527 vlan_to_string(cdp_native_vlan, tmp);
528 env_set("nvlan", tmp);
529 net_native_vlan = cdp_native_vlan;
530 }
531 }
532
do_cdp(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])533 int do_cdp(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
534 {
535 int r;
536
537 r = net_loop(CDP);
538 if (r < 0) {
539 printf("cdp failed; perhaps not a CISCO switch?\n");
540 return CMD_RET_FAILURE;
541 }
542
543 cdp_update_env();
544
545 return CMD_RET_SUCCESS;
546 }
547
548 U_BOOT_CMD(
549 cdp, 1, 1, do_cdp,
550 "Perform CDP network configuration",
551 "\n"
552 );
553 #endif
554
555 #if defined(CONFIG_CMD_SNTP)
556 static struct udp_ops sntp_ops = {
557 .prereq = sntp_prereq,
558 .start = sntp_start,
559 .data = NULL,
560 };
561
do_sntp(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])562 int do_sntp(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
563 {
564 char *toff;
565
566 if (argc < 2) {
567 net_ntp_server = env_get_ip("ntpserverip");
568 if (net_ntp_server.s_addr == 0) {
569 printf("ntpserverip not set\n");
570 return CMD_RET_FAILURE;
571 }
572 } else {
573 net_ntp_server = string_to_ip(argv[1]);
574 if (net_ntp_server.s_addr == 0) {
575 printf("Bad NTP server IP address\n");
576 return CMD_RET_FAILURE;
577 }
578 }
579
580 toff = env_get("timeoffset");
581 if (toff == NULL)
582 net_ntp_time_offset = 0;
583 else
584 net_ntp_time_offset = simple_strtol(toff, NULL, 10);
585
586 if (udp_loop(&sntp_ops) < 0) {
587 printf("SNTP failed: host %pI4 not responding\n",
588 &net_ntp_server);
589 return CMD_RET_FAILURE;
590 }
591
592 return CMD_RET_SUCCESS;
593 }
594
595 U_BOOT_CMD(
596 sntp, 2, 1, do_sntp,
597 "synchronize RTC via network",
598 "[NTP server IP]\n"
599 );
600 #endif
601
602 #if defined(CONFIG_CMD_DNS)
do_dns(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])603 int do_dns(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
604 {
605 if (argc == 1)
606 return CMD_RET_USAGE;
607
608 /*
609 * We should check for a valid hostname:
610 * - Each label must be between 1 and 63 characters long
611 * - the entire hostname has a maximum of 255 characters
612 * - only the ASCII letters 'a' through 'z' (case-insensitive),
613 * the digits '0' through '9', and the hyphen
614 * - cannot begin or end with a hyphen
615 * - no other symbols, punctuation characters, or blank spaces are
616 * permitted
617 * but hey - this is a minimalist implmentation, so only check length
618 * and let the name server deal with things.
619 */
620 if (strlen(argv[1]) >= 255) {
621 printf("dns error: hostname too long\n");
622 return CMD_RET_FAILURE;
623 }
624
625 net_dns_resolve = argv[1];
626
627 if (argc == 3)
628 net_dns_env_var = argv[2];
629 else
630 net_dns_env_var = NULL;
631
632 if (net_loop(DNS) < 0) {
633 printf("dns lookup of %s failed, check setup\n", argv[1]);
634 return CMD_RET_FAILURE;
635 }
636
637 return CMD_RET_SUCCESS;
638 }
639
640 U_BOOT_CMD(
641 dns, 3, 1, do_dns,
642 "lookup the IP of a hostname",
643 "hostname [envvar]"
644 );
645
646 #endif /* CONFIG_CMD_DNS */
647
648 #if defined(CONFIG_CMD_LINK_LOCAL)
do_link_local(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])649 static int do_link_local(struct cmd_tbl *cmdtp, int flag, int argc,
650 char *const argv[])
651 {
652 char tmp[22];
653
654 if (net_loop(LINKLOCAL) < 0)
655 return CMD_RET_FAILURE;
656
657 net_gateway.s_addr = 0;
658 ip_to_string(net_gateway, tmp);
659 env_set("gatewayip", tmp);
660
661 ip_to_string(net_netmask, tmp);
662 env_set("netmask", tmp);
663
664 ip_to_string(net_ip, tmp);
665 env_set("ipaddr", tmp);
666 env_set("llipaddr", tmp); /* store this for next time */
667
668 return CMD_RET_SUCCESS;
669 }
670
671 U_BOOT_CMD(
672 linklocal, 1, 1, do_link_local,
673 "acquire a network IP address using the link-local protocol",
674 ""
675 );
676
677 #endif /* CONFIG_CMD_LINK_LOCAL */
678
do_net_list(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])679 static int do_net_list(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
680 {
681 const struct udevice *current = eth_get_dev();
682 unsigned char env_enetaddr[ARP_HLEN];
683 const struct udevice *dev;
684 struct uclass *uc;
685
686 uclass_id_foreach_dev(UCLASS_ETH, dev, uc) {
687 eth_env_get_enetaddr_by_index("eth", dev_seq(dev), env_enetaddr);
688 printf("eth%d : %s %pM %s\n", dev_seq(dev), dev->name, env_enetaddr,
689 current == dev ? "active" : "");
690 }
691 return CMD_RET_SUCCESS;
692 }
693
694 static struct cmd_tbl cmd_net[] = {
695 U_BOOT_CMD_MKENT(list, 1, 0, do_net_list, "", ""),
696 };
697
do_net(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])698 static int do_net(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
699 {
700 struct cmd_tbl *cp;
701
702 cp = find_cmd_tbl(argv[1], cmd_net, ARRAY_SIZE(cmd_net));
703
704 /* Drop the net command */
705 argc--;
706 argv++;
707
708 if (!cp || argc > cp->maxargs)
709 return CMD_RET_USAGE;
710 if (flag == CMD_FLAG_REPEAT && !cmd_is_repeatable(cp))
711 return CMD_RET_SUCCESS;
712
713 return cp->cmd(cmdtp, flag, argc, argv);
714 }
715
716 U_BOOT_CMD(
717 net, 2, 1, do_net,
718 "NET sub-system",
719 "list - list available devices\n"
720 );
721
722 #if defined(CONFIG_CMD_NCSI)
do_ncsi(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])723 static int do_ncsi(struct cmd_tbl *cmdtp, int flag, int argc, char * const argv[])
724 {
725 if (!phy_interface_is_ncsi() || !ncsi_active()) {
726 printf("Device not configured for NC-SI\n");
727 return CMD_RET_FAILURE;
728 }
729
730 if (net_loop(NCSI) < 0)
731 return CMD_RET_FAILURE;
732
733 return CMD_RET_SUCCESS;
734 }
735
736 U_BOOT_CMD(
737 ncsi, 1, 1, do_ncsi,
738 "Configure attached NIC via NC-SI",
739 ""
740 );
741 #endif /* CONFIG_CMD_NCSI */
742