1 // SPDX-License-Identifier: GPL-2.0+
4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
11 #include <bootstage.h>
20 static int netboot_common(enum proto_t, struct cmd_tbl *, int, char * const []);
22 #ifdef CONFIG_CMD_BOOTP
23 static int do_bootp(struct cmd_tbl *cmdtp, int flag, int argc,
26 return netboot_common(BOOTP, cmdtp, argc, argv);
30 bootp, 3, 1, do_bootp,
31 "boot image via network using BOOTP/TFTP protocol",
32 "[loadAddress] [[hostIPaddr:]bootfilename]"
36 #ifdef CONFIG_CMD_TFTPBOOT
37 int do_tftpb(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
41 bootstage_mark_name(BOOTSTAGE_KERNELREAD_START, "tftp_start");
42 ret = netboot_common(TFTPGET, cmdtp, argc, argv);
43 bootstage_mark_name(BOOTSTAGE_KERNELREAD_STOP, "tftp_done");
48 tftpboot, 3, 1, do_tftpb,
49 "load file via network using TFTP protocol",
50 "[loadAddress] [[hostIPaddr:]bootfilename]"
54 #ifdef CONFIG_CMD_TFTPPUT
55 static int do_tftpput(struct cmd_tbl *cmdtp, int flag, int argc,
58 return netboot_common(TFTPPUT, cmdtp, argc, argv);
62 tftpput, 4, 1, do_tftpput,
63 "TFTP put command, for uploading files to a server",
64 "Address Size [[hostIPaddr:]filename]"
68 #ifdef CONFIG_CMD_TFTPSRV
69 static int do_tftpsrv(struct cmd_tbl *cmdtp, int flag, int argc,
72 return netboot_common(TFTPSRV, cmdtp, argc, argv);
76 tftpsrv, 2, 1, do_tftpsrv,
77 "act as a TFTP server and boot the first received file",
79 "Listen for an incoming TFTP transfer, receive a file and boot it.\n"
80 "The transfer is aborted if a transfer has not been started after\n"
81 "about 50 seconds or if Ctrl-C is pressed."
86 #ifdef CONFIG_CMD_RARP
87 int do_rarpb(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
89 return netboot_common(RARP, cmdtp, argc, argv);
93 rarpboot, 3, 1, do_rarpb,
94 "boot image via network using RARP/TFTP protocol",
95 "[loadAddress] [[hostIPaddr:]bootfilename]"
99 #if defined(CONFIG_CMD_DHCP)
100 static int do_dhcp(struct cmd_tbl *cmdtp, int flag, int argc,
103 return netboot_common(DHCP, cmdtp, argc, argv);
108 "boot image via network using DHCP/TFTP protocol",
109 "[loadAddress] [[hostIPaddr:]bootfilename]"
113 #if defined(CONFIG_CMD_NFS)
114 static int do_nfs(struct cmd_tbl *cmdtp, int flag, int argc,
117 return netboot_common(NFS, cmdtp, argc, argv);
122 "boot image via network using NFS protocol",
123 "[loadAddress] [[hostIPaddr:]bootfilename]"
127 static void netboot_update_env(void)
131 if (net_gateway.s_addr) {
132 ip_to_string(net_gateway, tmp);
133 env_set("gatewayip", tmp);
136 if (net_netmask.s_addr) {
137 ip_to_string(net_netmask, tmp);
138 env_set("netmask", tmp);
141 #ifdef CONFIG_CMD_BOOTP
143 env_set("hostname", net_hostname);
146 #ifdef CONFIG_CMD_BOOTP
147 if (net_root_path[0])
148 env_set("rootpath", net_root_path);
152 ip_to_string(net_ip, tmp);
153 env_set("ipaddr", tmp);
156 * Only attempt to change serverip if net/bootp.c:store_net_params()
159 if (!IS_ENABLED(CONFIG_BOOTP_SERVERIP) && net_server_ip.s_addr) {
160 ip_to_string(net_server_ip, tmp);
161 env_set("serverip", tmp);
163 if (net_dns_server.s_addr) {
164 ip_to_string(net_dns_server, tmp);
165 env_set("dnsip", tmp);
167 #if defined(CONFIG_BOOTP_DNS2)
168 if (net_dns_server2.s_addr) {
169 ip_to_string(net_dns_server2, tmp);
170 env_set("dnsip2", tmp);
173 #ifdef CONFIG_CMD_BOOTP
174 if (net_nis_domain[0])
175 env_set("domain", net_nis_domain);
178 #if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_TIMEOFFSET)
179 if (net_ntp_time_offset) {
180 sprintf(tmp, "%d", net_ntp_time_offset);
181 env_set("timeoffset", tmp);
184 #if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_NTPSERVER)
185 if (net_ntp_server.s_addr) {
186 ip_to_string(net_ntp_server, tmp);
187 env_set("ntpserverip", tmp);
193 * parse_addr_size() - parse address and size arguments for tftpput
195 * @argv: command line arguments
196 * Return: 0 on success
198 static int parse_addr_size(char * const argv[])
200 if (strict_strtoul(argv[1], 16, &image_save_addr) < 0 ||
201 strict_strtoul(argv[2], 16, &image_save_size) < 0) {
202 printf("Invalid address/size\n");
203 return CMD_RET_USAGE;
209 * parse_args() - parse command line arguments
211 * @proto: command prototype
212 * @argc: number of arguments
213 * @argv: command line arguments
214 * Return: 0 on success
216 static int parse_args(enum proto_t proto, int argc, char *const argv[])
223 if (CONFIG_IS_ENABLED(CMD_TFTPPUT) && proto == TFTPPUT)
226 /* refresh bootfile name from env */
227 copy_filename(net_boot_file_name, env_get("bootfile"),
228 sizeof(net_boot_file_name));
232 if (CONFIG_IS_ENABLED(CMD_TFTPPUT) && proto == TFTPPUT)
235 * Only one arg - accept two forms:
236 * Just load address, or just boot file name. The latter
237 * form must be written in a format which can not be
238 * mis-interpreted as a valid number.
240 addr = hextoul(argv[1], &end);
241 if (end == (argv[1] + strlen(argv[1]))) {
242 image_load_addr = addr;
243 /* refresh bootfile name from env */
244 copy_filename(net_boot_file_name, env_get("bootfile"),
245 sizeof(net_boot_file_name));
247 net_boot_file_name_explicit = true;
248 copy_filename(net_boot_file_name, argv[1],
249 sizeof(net_boot_file_name));
254 if (CONFIG_IS_ENABLED(CMD_TFTPPUT) && proto == TFTPPUT) {
255 if (parse_addr_size(argv))
258 image_load_addr = hextoul(argv[1], NULL);
259 net_boot_file_name_explicit = true;
260 copy_filename(net_boot_file_name, argv[2],
261 sizeof(net_boot_file_name));
265 #ifdef CONFIG_CMD_TFTPPUT
267 if (parse_addr_size(argv))
269 net_boot_file_name_explicit = true;
270 copy_filename(net_boot_file_name, argv[3],
271 sizeof(net_boot_file_name));
280 static int netboot_common(enum proto_t proto, struct cmd_tbl *cmdtp, int argc,
287 net_boot_file_name_explicit = false;
288 *net_boot_file_name = '\0';
290 /* pre-set image_load_addr */
291 s = env_get("loadaddr");
293 image_load_addr = hextoul(s, NULL);
295 if (parse_args(proto, argc, argv)) {
296 bootstage_error(BOOTSTAGE_ID_NET_START);
297 return CMD_RET_USAGE;
300 bootstage_mark(BOOTSTAGE_ID_NET_START);
302 size = net_loop(proto);
304 bootstage_error(BOOTSTAGE_ID_NET_NETLOOP_OK);
305 return CMD_RET_FAILURE;
307 bootstage_mark(BOOTSTAGE_ID_NET_NETLOOP_OK);
309 /* net_loop ok, update environment */
310 netboot_update_env();
312 /* done if no file was loaded (no errors though) */
314 bootstage_error(BOOTSTAGE_ID_NET_LOADED);
315 return CMD_RET_SUCCESS;
318 bootstage_mark(BOOTSTAGE_ID_NET_LOADED);
320 rcode = bootm_maybe_autostart(cmdtp, argv[0]);
322 if (rcode == CMD_RET_SUCCESS)
323 bootstage_mark(BOOTSTAGE_ID_NET_DONE);
325 bootstage_error(BOOTSTAGE_ID_NET_DONE_ERR);
329 #if defined(CONFIG_CMD_PING)
330 static int do_ping(struct cmd_tbl *cmdtp, int flag, int argc,
334 return CMD_RET_USAGE;
336 net_ping_ip = string_to_ip(argv[1]);
337 if (net_ping_ip.s_addr == 0)
338 return CMD_RET_USAGE;
340 if (net_loop(PING) < 0) {
341 printf("ping failed; host %s is not alive\n", argv[1]);
342 return CMD_RET_FAILURE;
345 printf("host %s is alive\n", argv[1]);
347 return CMD_RET_SUCCESS;
352 "send ICMP ECHO_REQUEST to network host",
357 #if defined(CONFIG_CMD_CDP)
359 static void cdp_update_env(void)
363 if (cdp_appliance_vlan != htons(-1)) {
364 printf("CDP offered appliance VLAN %d\n",
365 ntohs(cdp_appliance_vlan));
366 vlan_to_string(cdp_appliance_vlan, tmp);
367 env_set("vlan", tmp);
368 net_our_vlan = cdp_appliance_vlan;
371 if (cdp_native_vlan != htons(-1)) {
372 printf("CDP offered native VLAN %d\n", ntohs(cdp_native_vlan));
373 vlan_to_string(cdp_native_vlan, tmp);
374 env_set("nvlan", tmp);
375 net_native_vlan = cdp_native_vlan;
379 int do_cdp(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
385 printf("cdp failed; perhaps not a CISCO switch?\n");
386 return CMD_RET_FAILURE;
391 return CMD_RET_SUCCESS;
396 "Perform CDP network configuration",
401 #if defined(CONFIG_CMD_SNTP)
402 static struct udp_ops sntp_ops = {
403 .prereq = sntp_prereq,
408 int do_sntp(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
413 net_ntp_server = env_get_ip("ntpserverip");
414 if (net_ntp_server.s_addr == 0) {
415 printf("ntpserverip not set\n");
416 return CMD_RET_FAILURE;
419 net_ntp_server = string_to_ip(argv[1]);
420 if (net_ntp_server.s_addr == 0) {
421 printf("Bad NTP server IP address\n");
422 return CMD_RET_FAILURE;
426 toff = env_get("timeoffset");
428 net_ntp_time_offset = 0;
430 net_ntp_time_offset = simple_strtol(toff, NULL, 10);
432 if (udp_loop(&sntp_ops) < 0) {
433 printf("SNTP failed: host %pI4 not responding\n",
435 return CMD_RET_FAILURE;
438 return CMD_RET_SUCCESS;
443 "synchronize RTC via network",
448 #if defined(CONFIG_CMD_DNS)
449 int do_dns(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
452 return CMD_RET_USAGE;
455 * We should check for a valid hostname:
456 * - Each label must be between 1 and 63 characters long
457 * - the entire hostname has a maximum of 255 characters
458 * - only the ASCII letters 'a' through 'z' (case-insensitive),
459 * the digits '0' through '9', and the hyphen
460 * - cannot begin or end with a hyphen
461 * - no other symbols, punctuation characters, or blank spaces are
463 * but hey - this is a minimalist implmentation, so only check length
464 * and let the name server deal with things.
466 if (strlen(argv[1]) >= 255) {
467 printf("dns error: hostname too long\n");
468 return CMD_RET_FAILURE;
471 net_dns_resolve = argv[1];
474 net_dns_env_var = argv[2];
476 net_dns_env_var = NULL;
478 if (net_loop(DNS) < 0) {
479 printf("dns lookup of %s failed, check setup\n", argv[1]);
480 return CMD_RET_FAILURE;
483 return CMD_RET_SUCCESS;
488 "lookup the IP of a hostname",
492 #endif /* CONFIG_CMD_DNS */
494 #if defined(CONFIG_CMD_LINK_LOCAL)
495 static int do_link_local(struct cmd_tbl *cmdtp, int flag, int argc,
500 if (net_loop(LINKLOCAL) < 0)
501 return CMD_RET_FAILURE;
503 net_gateway.s_addr = 0;
504 ip_to_string(net_gateway, tmp);
505 env_set("gatewayip", tmp);
507 ip_to_string(net_netmask, tmp);
508 env_set("netmask", tmp);
510 ip_to_string(net_ip, tmp);
511 env_set("ipaddr", tmp);
512 env_set("llipaddr", tmp); /* store this for next time */
514 return CMD_RET_SUCCESS;
518 linklocal, 1, 1, do_link_local,
519 "acquire a network IP address using the link-local protocol",
523 #endif /* CONFIG_CMD_LINK_LOCAL */
526 static int do_net_list(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
528 const struct udevice *current = eth_get_dev();
529 unsigned char env_enetaddr[ARP_HLEN];
530 const struct udevice *dev;
533 uclass_id_foreach_dev(UCLASS_ETH, dev, uc) {
534 eth_env_get_enetaddr_by_index("eth", dev_seq(dev), env_enetaddr);
535 printf("eth%d : %s %pM %s\n", dev_seq(dev), dev->name, env_enetaddr,
536 current == dev ? "active" : "");
538 return CMD_RET_SUCCESS;
541 static struct cmd_tbl cmd_net[] = {
542 U_BOOT_CMD_MKENT(list, 1, 0, do_net_list, "", ""),
545 static int do_net(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
549 cp = find_cmd_tbl(argv[1], cmd_net, ARRAY_SIZE(cmd_net));
551 /* Drop the net command */
555 if (!cp || argc > cp->maxargs)
556 return CMD_RET_USAGE;
557 if (flag == CMD_FLAG_REPEAT && !cmd_is_repeatable(cp))
558 return CMD_RET_SUCCESS;
560 return cp->cmd(cmdtp, flag, argc, argv);
566 "list - list available devices\n"
568 #endif // CONFIG_DM_ETH