1 // SPDX-License-Identifier: GPL-2.0+
4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
7 #define LOG_CATEGORY UCLASS_ETH
13 #include <bootstage.h>
25 static int netboot_common(enum proto_t, struct cmd_tbl *, int, char * const []);
27 #ifdef CONFIG_CMD_BOOTP
28 static int do_bootp(struct cmd_tbl *cmdtp, int flag, int argc,
31 return netboot_common(BOOTP, cmdtp, argc, argv);
35 bootp, 3, 1, do_bootp,
36 "boot image via network using BOOTP/TFTP protocol",
37 "[loadAddress] [[hostIPaddr:]bootfilename]"
41 #ifdef CONFIG_CMD_TFTPBOOT
42 int do_tftpb(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
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");
52 #if IS_ENABLED(CONFIG_IPV6)
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 "
58 "[loadAddress] [[hostIPaddr:]bootfilename] [" USE_IP6_CMD_PARAM "]"
62 tftpboot, 3, 1, do_tftpb,
63 "load file via network using TFTP protocol",
64 "[loadAddress] [[hostIPaddr:]bootfilename]"
69 #ifdef CONFIG_CMD_TFTPPUT
70 static int do_tftpput(struct cmd_tbl *cmdtp, int flag, int argc,
73 return netboot_common(TFTPPUT, cmdtp, argc, argv);
77 tftpput, 4, 1, do_tftpput,
78 "TFTP put command, for uploading files to a server",
79 "Address Size [[hostIPaddr:]filename]"
83 #ifdef CONFIG_CMD_TFTPSRV
84 static int do_tftpsrv(struct cmd_tbl *cmdtp, int flag, int argc,
87 return netboot_common(TFTPSRV, cmdtp, argc, argv);
91 tftpsrv, 2, 1, do_tftpsrv,
92 "act as a TFTP server and boot the first received file",
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."
101 #ifdef CONFIG_CMD_RARP
102 int do_rarpb(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
104 return netboot_common(RARP, cmdtp, argc, argv);
108 rarpboot, 3, 1, do_rarpb,
109 "boot image via network using RARP/TFTP protocol",
110 "[loadAddress] [[hostIPaddr:]bootfilename]"
114 #if defined(CONFIG_CMD_DHCP)
115 static int do_dhcp(struct cmd_tbl *cmdtp, int flag, int argc,
118 return netboot_common(DHCP, cmdtp, argc, argv);
123 "boot image via network using DHCP/TFTP protocol",
124 "[loadAddress] [[hostIPaddr:]bootfilename]"
127 int dhcp_run(ulong addr, const char *fname, bool autoload)
129 char *dhcp_argv[] = {"dhcp", NULL, (char *)fname, NULL};
130 struct cmd_tbl cmdtp = {}; /* dummy */
135 log_debug("addr=%lx, fname=%s, autoload=%d\n", addr, fname, autoload);
136 old_autoload = env_get_yesno("autoload");
137 ret = env_set("autoload", autoload ? "y" : "n");
139 return log_msg_ret("en1", -EINVAL);
142 sprintf(file_addr, "%lx", addr);
143 dhcp_argv[1] = file_addr;
146 result = do_dhcp(&cmdtp, 0, !autoload ? 1 : fname ? 3 : 2, dhcp_argv);
148 ret = env_set("autoload", old_autoload == -1 ? NULL :
149 old_autoload ? "y" : "n");
151 return log_msg_ret("en2", -EINVAL);
154 return log_msg_ret("res", -ENOENT);
160 #if defined(CONFIG_CMD_NFS)
161 static int do_nfs(struct cmd_tbl *cmdtp, int flag, int argc,
164 return netboot_common(NFS, cmdtp, argc, argv);
169 "boot image via network using NFS protocol",
170 "[loadAddress] [[hostIPaddr:]bootfilename]"
174 #if defined(CONFIG_CMD_WGET)
175 static int do_wget(struct cmd_tbl *cmdtp, int flag, int argc, char * const argv[])
177 return netboot_common(WGET, cmdtp, argc, argv);
182 "boot image via network using HTTP protocol",
183 "[loadAddress] [[hostIPaddr:]path and image name]"
187 static void netboot_update_env(void)
191 if (net_gateway.s_addr) {
192 ip_to_string(net_gateway, tmp);
193 env_set("gatewayip", tmp);
196 if (net_netmask.s_addr) {
197 ip_to_string(net_netmask, tmp);
198 env_set("netmask", tmp);
201 #ifdef CONFIG_CMD_BOOTP
203 env_set("hostname", net_hostname);
206 #ifdef CONFIG_CMD_BOOTP
207 if (net_root_path[0])
208 env_set("rootpath", net_root_path);
212 ip_to_string(net_ip, tmp);
213 env_set("ipaddr", tmp);
216 * Only attempt to change serverip if net/bootp.c:store_net_params()
219 if (!IS_ENABLED(CONFIG_BOOTP_SERVERIP) && net_server_ip.s_addr) {
220 ip_to_string(net_server_ip, tmp);
221 env_set("serverip", tmp);
223 if (net_dns_server.s_addr) {
224 ip_to_string(net_dns_server, tmp);
225 env_set("dnsip", tmp);
227 #if defined(CONFIG_BOOTP_DNS2)
228 if (net_dns_server2.s_addr) {
229 ip_to_string(net_dns_server2, tmp);
230 env_set("dnsip2", tmp);
233 #ifdef CONFIG_CMD_BOOTP
234 if (net_nis_domain[0])
235 env_set("domain", net_nis_domain);
238 #if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_TIMEOFFSET)
239 if (net_ntp_time_offset) {
240 sprintf(tmp, "%d", net_ntp_time_offset);
241 env_set("timeoffset", tmp);
244 #if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_NTPSERVER)
245 if (net_ntp_server.s_addr) {
246 ip_to_string(net_ntp_server, tmp);
247 env_set("ntpserverip", tmp);
253 * parse_addr_size() - parse address and size arguments for tftpput
255 * @argv: command line arguments
256 * Return: 0 on success
258 static int parse_addr_size(char * const argv[])
260 if (strict_strtoul(argv[1], 16, &image_save_addr) < 0 ||
261 strict_strtoul(argv[2], 16, &image_save_size) < 0) {
262 printf("Invalid address/size\n");
263 return CMD_RET_USAGE;
269 * parse_args() - parse command line arguments
271 * @proto: command prototype
272 * @argc: number of arguments
273 * @argv: command line arguments
274 * Return: 0 on success
276 static int parse_args(enum proto_t proto, int argc, char *const argv[])
283 if (IS_ENABLED(CONFIG_CMD_TFTPPUT) && proto == TFTPPUT)
286 /* refresh bootfile name from env */
287 copy_filename(net_boot_file_name, env_get("bootfile"),
288 sizeof(net_boot_file_name));
292 if (IS_ENABLED(CONFIG_CMD_TFTPPUT) && proto == TFTPPUT)
295 * Only one arg - accept two forms:
296 * Just load address, or just boot file name. The latter
297 * form must be written in a format which can not be
298 * mis-interpreted as a valid number.
300 addr = hextoul(argv[1], &end);
301 if (end == (argv[1] + strlen(argv[1]))) {
302 image_load_addr = addr;
303 /* refresh bootfile name from env */
304 copy_filename(net_boot_file_name, env_get("bootfile"),
305 sizeof(net_boot_file_name));
307 net_boot_file_name_explicit = true;
308 copy_filename(net_boot_file_name, argv[1],
309 sizeof(net_boot_file_name));
314 if (IS_ENABLED(CONFIG_CMD_TFTPPUT) && proto == TFTPPUT) {
315 if (parse_addr_size(argv))
318 image_load_addr = hextoul(argv[1], NULL);
319 net_boot_file_name_explicit = true;
320 copy_filename(net_boot_file_name, argv[2],
321 sizeof(net_boot_file_name));
325 #ifdef CONFIG_CMD_TFTPPUT
327 if (parse_addr_size(argv))
329 net_boot_file_name_explicit = true;
330 copy_filename(net_boot_file_name, argv[3],
331 sizeof(net_boot_file_name));
340 static int netboot_common(enum proto_t proto, struct cmd_tbl *cmdtp, int argc,
347 net_boot_file_name_explicit = false;
348 *net_boot_file_name = '\0';
350 /* pre-set image_load_addr */
351 s = env_get("loadaddr");
353 image_load_addr = hextoul(s, NULL);
355 if (IS_ENABLED(CONFIG_IPV6)) {
358 /* IPv6 parameter has to be always *last* */
359 if (!strcmp(argv[argc - 1], USE_IP6_CMD_PARAM)) {
361 /* It is a hack not to break switch/case code */
366 if (parse_args(proto, argc, argv)) {
367 bootstage_error(BOOTSTAGE_ID_NET_START);
368 return CMD_RET_USAGE;
371 bootstage_mark(BOOTSTAGE_ID_NET_START);
373 if (IS_ENABLED(CONFIG_IPV6) && !use_ip6) {
377 s = strchr(net_boot_file_name, '[');
378 e = strchr(net_boot_file_name, ']');
381 if (!string_to_ip6(s + 1, len - 1, &net_server_ip6))
386 size = net_loop(proto);
388 bootstage_error(BOOTSTAGE_ID_NET_NETLOOP_OK);
389 return CMD_RET_FAILURE;
391 bootstage_mark(BOOTSTAGE_ID_NET_NETLOOP_OK);
393 /* net_loop ok, update environment */
394 netboot_update_env();
396 /* done if no file was loaded (no errors though) */
398 bootstage_error(BOOTSTAGE_ID_NET_LOADED);
399 return CMD_RET_SUCCESS;
402 bootstage_mark(BOOTSTAGE_ID_NET_LOADED);
404 rcode = bootm_maybe_autostart(cmdtp, argv[0]);
406 if (rcode == CMD_RET_SUCCESS)
407 bootstage_mark(BOOTSTAGE_ID_NET_DONE);
409 bootstage_error(BOOTSTAGE_ID_NET_DONE_ERR);
413 #if defined(CONFIG_CMD_PING)
414 static int do_ping(struct cmd_tbl *cmdtp, int flag, int argc,
418 return CMD_RET_USAGE;
420 net_ping_ip = string_to_ip(argv[1]);
421 if (net_ping_ip.s_addr == 0)
422 return CMD_RET_USAGE;
424 if (net_loop(PING) < 0) {
425 printf("ping failed; host %s is not alive\n", argv[1]);
426 return CMD_RET_FAILURE;
429 printf("host %s is alive\n", argv[1]);
431 return CMD_RET_SUCCESS;
436 "send ICMP ECHO_REQUEST to network host",
441 #if IS_ENABLED(CONFIG_CMD_PING6)
442 int do_ping6(struct cmd_tbl *cmdtp, int flag, int argc, char * const argv[])
444 if (string_to_ip6(argv[1], strlen(argv[1]), &net_ping_ip6))
445 return CMD_RET_USAGE;
448 if (net_loop(PING6) < 0) {
450 printf("ping6 failed; host %pI6c is not alive\n",
456 printf("host %pI6c is alive\n", &net_ping_ip6);
461 ping6, 2, 1, do_ping6,
462 "send ICMPv6 ECHO_REQUEST to network host",
465 #endif /* CONFIG_CMD_PING6 */
467 #if defined(CONFIG_CMD_CDP)
469 static void cdp_update_env(void)
473 if (cdp_appliance_vlan != htons(-1)) {
474 printf("CDP offered appliance VLAN %d\n",
475 ntohs(cdp_appliance_vlan));
476 vlan_to_string(cdp_appliance_vlan, tmp);
477 env_set("vlan", tmp);
478 net_our_vlan = cdp_appliance_vlan;
481 if (cdp_native_vlan != htons(-1)) {
482 printf("CDP offered native VLAN %d\n", ntohs(cdp_native_vlan));
483 vlan_to_string(cdp_native_vlan, tmp);
484 env_set("nvlan", tmp);
485 net_native_vlan = cdp_native_vlan;
489 int do_cdp(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
495 printf("cdp failed; perhaps not a CISCO switch?\n");
496 return CMD_RET_FAILURE;
501 return CMD_RET_SUCCESS;
506 "Perform CDP network configuration",
511 #if defined(CONFIG_CMD_SNTP)
512 static struct udp_ops sntp_ops = {
513 .prereq = sntp_prereq,
518 int do_sntp(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
523 net_ntp_server = env_get_ip("ntpserverip");
524 if (net_ntp_server.s_addr == 0) {
525 printf("ntpserverip not set\n");
526 return CMD_RET_FAILURE;
529 net_ntp_server = string_to_ip(argv[1]);
530 if (net_ntp_server.s_addr == 0) {
531 printf("Bad NTP server IP address\n");
532 return CMD_RET_FAILURE;
536 toff = env_get("timeoffset");
538 net_ntp_time_offset = 0;
540 net_ntp_time_offset = simple_strtol(toff, NULL, 10);
542 if (udp_loop(&sntp_ops) < 0) {
543 printf("SNTP failed: host %pI4 not responding\n",
545 return CMD_RET_FAILURE;
548 return CMD_RET_SUCCESS;
553 "synchronize RTC via network",
558 #if defined(CONFIG_CMD_DNS)
559 int do_dns(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
562 return CMD_RET_USAGE;
565 * We should check for a valid hostname:
566 * - Each label must be between 1 and 63 characters long
567 * - the entire hostname has a maximum of 255 characters
568 * - only the ASCII letters 'a' through 'z' (case-insensitive),
569 * the digits '0' through '9', and the hyphen
570 * - cannot begin or end with a hyphen
571 * - no other symbols, punctuation characters, or blank spaces are
573 * but hey - this is a minimalist implmentation, so only check length
574 * and let the name server deal with things.
576 if (strlen(argv[1]) >= 255) {
577 printf("dns error: hostname too long\n");
578 return CMD_RET_FAILURE;
581 net_dns_resolve = argv[1];
584 net_dns_env_var = argv[2];
586 net_dns_env_var = NULL;
588 if (net_loop(DNS) < 0) {
589 printf("dns lookup of %s failed, check setup\n", argv[1]);
590 return CMD_RET_FAILURE;
593 return CMD_RET_SUCCESS;
598 "lookup the IP of a hostname",
602 #endif /* CONFIG_CMD_DNS */
604 #if defined(CONFIG_CMD_LINK_LOCAL)
605 static int do_link_local(struct cmd_tbl *cmdtp, int flag, int argc,
610 if (net_loop(LINKLOCAL) < 0)
611 return CMD_RET_FAILURE;
613 net_gateway.s_addr = 0;
614 ip_to_string(net_gateway, tmp);
615 env_set("gatewayip", tmp);
617 ip_to_string(net_netmask, tmp);
618 env_set("netmask", tmp);
620 ip_to_string(net_ip, tmp);
621 env_set("ipaddr", tmp);
622 env_set("llipaddr", tmp); /* store this for next time */
624 return CMD_RET_SUCCESS;
628 linklocal, 1, 1, do_link_local,
629 "acquire a network IP address using the link-local protocol",
633 #endif /* CONFIG_CMD_LINK_LOCAL */
635 static int do_net_list(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
637 const struct udevice *current = eth_get_dev();
638 unsigned char env_enetaddr[ARP_HLEN];
639 const struct udevice *dev;
642 uclass_id_foreach_dev(UCLASS_ETH, dev, uc) {
643 eth_env_get_enetaddr_by_index("eth", dev_seq(dev), env_enetaddr);
644 printf("eth%d : %s %pM %s\n", dev_seq(dev), dev->name, env_enetaddr,
645 current == dev ? "active" : "");
647 return CMD_RET_SUCCESS;
650 static struct cmd_tbl cmd_net[] = {
651 U_BOOT_CMD_MKENT(list, 1, 0, do_net_list, "", ""),
654 static int do_net(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
658 cp = find_cmd_tbl(argv[1], cmd_net, ARRAY_SIZE(cmd_net));
660 /* Drop the net command */
664 if (!cp || argc > cp->maxargs)
665 return CMD_RET_USAGE;
666 if (flag == CMD_FLAG_REPEAT && !cmd_is_repeatable(cp))
667 return CMD_RET_SUCCESS;
669 return cp->cmd(cmdtp, flag, argc, argv);
675 "list - list available devices\n"
678 #if defined(CONFIG_CMD_NCSI)
679 static int do_ncsi(struct cmd_tbl *cmdtp, int flag, int argc, char * const argv[])
681 if (!phy_interface_is_ncsi() || !ncsi_active()) {
682 printf("Device not configured for NC-SI\n");
683 return CMD_RET_FAILURE;
686 if (net_loop(NCSI) < 0)
687 return CMD_RET_FAILURE;
689 return CMD_RET_SUCCESS;
694 "Configure attached NIC via NC-SI",
697 #endif /* CONFIG_CMD_NCSI */