1 // SPDX-License-Identifier: GPL-2.0+
11 #include <bootstage.h>
21 static int netboot_common(enum proto_t, struct cmd_tbl *, int, char * const []);
23 #ifdef CONFIG_CMD_BOOTP
24 static int do_bootp(struct cmd_tbl *cmdtp, int flag, int argc,
27 return netboot_common(BOOTP, cmdtp, argc, argv);
31 bootp, 3, 1, do_bootp,
32 "boot image via network using BOOTP/TFTP protocol",
33 "[loadAddress] [[hostIPaddr:]bootfilename]"
37 #ifdef CONFIG_CMD_TFTPBOOT
38 int do_tftpb(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
42 bootstage_mark_name(BOOTSTAGE_KERNELREAD_START, "tftp_start");
43 ret = netboot_common(TFTPGET, cmdtp, argc, argv);
44 bootstage_mark_name(BOOTSTAGE_KERNELREAD_STOP, "tftp_done");
49 tftpboot, 3, 1, do_tftpb,
50 "load file via network using TFTP protocol",
51 "[loadAddress] [[hostIPaddr:]bootfilename]"
55 #ifdef CONFIG_CMD_TFTPPUT
56 static int do_tftpput(struct cmd_tbl *cmdtp, int flag, int argc,
59 return netboot_common(TFTPPUT, cmdtp, argc, argv);
63 tftpput, 4, 1, do_tftpput,
64 "TFTP put command, for uploading files to a server",
65 "Address Size [[hostIPaddr:]filename]"
69 #ifdef CONFIG_CMD_TFTPSRV
70 static int do_tftpsrv(struct cmd_tbl *cmdtp, int flag, int argc,
73 return netboot_common(TFTPSRV, cmdtp, argc, argv);
77 tftpsrv, 2, 1, do_tftpsrv,
78 "act as a TFTP server and boot the first received file",
80 "Listen for an incoming TFTP transfer, receive a file and boot it.\n"
81 "The transfer is aborted if a transfer has not been started after\n"
82 "about 50 seconds or if Ctrl-C is pressed."
87 #ifdef CONFIG_CMD_RARP
88 int do_rarpb(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
90 return netboot_common(RARP, cmdtp, argc, argv);
94 rarpboot, 3, 1, do_rarpb,
95 "boot image via network using RARP/TFTP protocol",
96 "[loadAddress] [[hostIPaddr:]bootfilename]"
100 #if defined(CONFIG_CMD_DHCP)
101 static int do_dhcp(struct cmd_tbl *cmdtp, int flag, int argc,
104 return netboot_common(DHCP, cmdtp, argc, argv);
109 "boot image via network using DHCP/TFTP protocol",
110 "[loadAddress] [[hostIPaddr:]bootfilename]"
114 #if defined(CONFIG_CMD_NFS)
115 static int do_nfs(struct cmd_tbl *cmdtp, int flag, int argc,
118 return netboot_common(NFS, cmdtp, argc, argv);
123 "boot image via network using NFS protocol",
124 "[loadAddress] [[hostIPaddr:]bootfilename]"
128 static void netboot_update_env(void)
132 if (net_gateway.s_addr) {
133 ip_to_string(net_gateway, tmp);
134 env_set("gatewayip", tmp);
137 if (net_netmask.s_addr) {
138 ip_to_string(net_netmask, tmp);
139 env_set("netmask", tmp);
142 #ifdef CONFIG_CMD_BOOTP
144 env_set("hostname", net_hostname);
147 #ifdef CONFIG_CMD_BOOTP
148 if (net_root_path[0])
149 env_set("rootpath", net_root_path);
153 ip_to_string(net_ip, tmp);
154 env_set("ipaddr", tmp);
157 * Only attempt to change serverip if net/bootp.c:store_net_params()
160 if (!IS_ENABLED(CONFIG_BOOTP_SERVERIP) && net_server_ip.s_addr) {
161 ip_to_string(net_server_ip, tmp);
162 env_set("serverip", tmp);
164 if (net_dns_server.s_addr) {
165 ip_to_string(net_dns_server, tmp);
166 env_set("dnsip", tmp);
168 #if defined(CONFIG_BOOTP_DNS2)
169 if (net_dns_server2.s_addr) {
170 ip_to_string(net_dns_server2, tmp);
171 env_set("dnsip2", tmp);
174 #ifdef CONFIG_CMD_BOOTP
175 if (net_nis_domain[0])
176 env_set("domain", net_nis_domain);
179 #if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_TIMEOFFSET)
180 if (net_ntp_time_offset) {
181 sprintf(tmp, "%d", net_ntp_time_offset);
182 env_set("timeoffset", tmp);
185 #if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_NTPSERVER)
186 if (net_ntp_server.s_addr) {
187 ip_to_string(net_ntp_server, tmp);
188 env_set("ntpserverip", tmp);
194 * parse_addr_size() - parse address and size arguments for tftpput
196 * @argv: command line arguments
197 * Return: 0 on success
199 static int parse_addr_size(char * const argv[])
201 if (strict_strtoul(argv[1], 16, &image_save_addr) < 0 ||
202 strict_strtoul(argv[2], 16, &image_save_size) < 0) {
203 printf("Invalid address/size\n");
204 return CMD_RET_USAGE;
210 * parse_args() - parse command line arguments
212 * @proto: command prototype
213 * @argc: number of arguments
214 * @argv: command line arguments
215 * Return: 0 on success
217 static int parse_args(enum proto_t proto, int argc, char *const argv[])
224 if (CONFIG_IS_ENABLED(CMD_TFTPPUT) && proto == TFTPPUT)
227 /* refresh bootfile name from env */
228 copy_filename(net_boot_file_name, env_get("bootfile"),
229 sizeof(net_boot_file_name));
233 if (CONFIG_IS_ENABLED(CMD_TFTPPUT) && proto == TFTPPUT)
236 * Only one arg - accept two forms:
237 * Just load address, or just boot file name. The latter
238 * form must be written in a format which can not be
239 * mis-interpreted as a valid number.
241 addr = hextoul(argv[1], &end);
242 if (end == (argv[1] + strlen(argv[1]))) {
243 image_load_addr = addr;
244 /* refresh bootfile name from env */
245 copy_filename(net_boot_file_name, env_get("bootfile"),
246 sizeof(net_boot_file_name));
248 net_boot_file_name_explicit = true;
249 copy_filename(net_boot_file_name, argv[1],
250 sizeof(net_boot_file_name));
255 if (CONFIG_IS_ENABLED(CMD_TFTPPUT) && proto == TFTPPUT) {
256 if (parse_addr_size(argv))
259 image_load_addr = hextoul(argv[1], NULL);
260 net_boot_file_name_explicit = true;
261 copy_filename(net_boot_file_name, argv[2],
262 sizeof(net_boot_file_name));
266 #ifdef CONFIG_CMD_TFTPPUT
268 if (parse_addr_size(argv))
270 net_boot_file_name_explicit = true;
271 copy_filename(net_boot_file_name, argv[3],
272 sizeof(net_boot_file_name));
281 static int netboot_common(enum proto_t proto, struct cmd_tbl *cmdtp, int argc,
288 net_boot_file_name_explicit = false;
289 *net_boot_file_name = '\0';
291 /* pre-set image_load_addr */
292 s = env_get("loadaddr");
294 image_load_addr = hextoul(s, NULL);
296 if (parse_args(proto, argc, argv)) {
297 bootstage_error(BOOTSTAGE_ID_NET_START);
298 return CMD_RET_USAGE;
301 bootstage_mark(BOOTSTAGE_ID_NET_START);
303 size = net_loop(proto);
305 bootstage_error(BOOTSTAGE_ID_NET_NETLOOP_OK);
306 return CMD_RET_FAILURE;
308 bootstage_mark(BOOTSTAGE_ID_NET_NETLOOP_OK);
310 /* net_loop ok, update environment */
311 netboot_update_env();
313 /* done if no file was loaded (no errors though) */
315 bootstage_error(BOOTSTAGE_ID_NET_LOADED);
316 return CMD_RET_SUCCESS;
319 bootstage_mark(BOOTSTAGE_ID_NET_LOADED);
321 rcode = bootm_maybe_autostart(cmdtp, argv[0]);
323 if (rcode == CMD_RET_SUCCESS)
324 bootstage_mark(BOOTSTAGE_ID_NET_DONE);
326 bootstage_error(BOOTSTAGE_ID_NET_DONE_ERR);
330 #if defined(CONFIG_CMD_PING)
331 static int do_ping(struct cmd_tbl *cmdtp, int flag, int argc,
335 return CMD_RET_USAGE;
337 net_ping_ip = string_to_ip(argv[1]);
338 if (net_ping_ip.s_addr == 0)
339 return CMD_RET_USAGE;
341 if (net_loop(PING) < 0) {
342 printf("ping failed; host %s is not alive\n", argv[1]);
343 return CMD_RET_FAILURE;
346 printf("host %s is alive\n", argv[1]);
348 return CMD_RET_SUCCESS;
353 "send ICMP ECHO_REQUEST to network host",
358 #if defined(CONFIG_CMD_CDP)
360 static void cdp_update_env(void)
364 if (cdp_appliance_vlan != htons(-1)) {
365 printf("CDP offered appliance VLAN %d\n",
366 ntohs(cdp_appliance_vlan));
367 vlan_to_string(cdp_appliance_vlan, tmp);
368 env_set("vlan", tmp);
369 net_our_vlan = cdp_appliance_vlan;
372 if (cdp_native_vlan != htons(-1)) {
373 printf("CDP offered native VLAN %d\n", ntohs(cdp_native_vlan));
374 vlan_to_string(cdp_native_vlan, tmp);
375 env_set("nvlan", tmp);
376 net_native_vlan = cdp_native_vlan;
380 int do_cdp(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
386 printf("cdp failed; perhaps not a CISCO switch?\n");
387 return CMD_RET_FAILURE;
392 return CMD_RET_SUCCESS;
397 "Perform CDP network configuration",
402 #if defined(CONFIG_CMD_SNTP)
403 static struct udp_ops sntp_ops = {
404 .prereq = sntp_prereq,
409 int do_sntp(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
414 net_ntp_server = env_get_ip("ntpserverip");
415 if (net_ntp_server.s_addr == 0) {
416 printf("ntpserverip not set\n");
417 return CMD_RET_FAILURE;
420 net_ntp_server = string_to_ip(argv[1]);
421 if (net_ntp_server.s_addr == 0) {
422 printf("Bad NTP server IP address\n");
423 return CMD_RET_FAILURE;
427 toff = env_get("timeoffset");
429 net_ntp_time_offset = 0;
431 net_ntp_time_offset = simple_strtol(toff, NULL, 10);
433 if (udp_loop(&sntp_ops) < 0) {
434 printf("SNTP failed: host %pI4 not responding\n",
436 return CMD_RET_FAILURE;
439 return CMD_RET_SUCCESS;
444 "synchronize RTC via network",
449 #if defined(CONFIG_CMD_DNS)
450 int do_dns(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
453 return CMD_RET_USAGE;
456 * We should check for a valid hostname:
457 * - Each label must be between 1 and 63 characters long
458 * - the entire hostname has a maximum of 255 characters
459 * - only the ASCII letters 'a' through 'z' (case-insensitive),
460 * the digits '0' through '9', and the hyphen
461 * - cannot begin or end with a hyphen
462 * - no other symbols, punctuation characters, or blank spaces are
464 * but hey - this is a minimalist implmentation, so only check length
465 * and let the name server deal with things.
467 if (strlen(argv[1]) >= 255) {
468 printf("dns error: hostname too long\n");
469 return CMD_RET_FAILURE;
472 net_dns_resolve = argv[1];
475 net_dns_env_var = argv[2];
477 net_dns_env_var = NULL;
479 if (net_loop(DNS) < 0) {
480 printf("dns lookup of %s failed, check setup\n", argv[1]);
481 return CMD_RET_FAILURE;
484 return CMD_RET_SUCCESS;
489 "lookup the IP of a hostname",
493 #endif /* CONFIG_CMD_DNS */
495 #if defined(CONFIG_CMD_LINK_LOCAL)
496 static int do_link_local(struct cmd_tbl *cmdtp, int flag, int argc,
501 if (net_loop(LINKLOCAL) < 0)
502 return CMD_RET_FAILURE;
504 net_gateway.s_addr = 0;
505 ip_to_string(net_gateway, tmp);
506 env_set("gatewayip", tmp);
508 ip_to_string(net_netmask, tmp);
509 env_set("netmask", tmp);
511 ip_to_string(net_ip, tmp);
512 env_set("ipaddr", tmp);
513 env_set("llipaddr", tmp); /* store this for next time */
515 return CMD_RET_SUCCESS;
519 linklocal, 1, 1, do_link_local,
520 "acquire a network IP address using the link-local protocol",
524 #endif /* CONFIG_CMD_LINK_LOCAL */
527 static int do_net_list(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
529 const struct udevice *current = eth_get_dev();
530 unsigned char env_enetaddr[ARP_HLEN];
531 const struct udevice *dev;
534 uclass_id_foreach_dev(UCLASS_ETH, dev, uc) {
535 eth_env_get_enetaddr_by_index("eth", dev_seq(dev), env_enetaddr);
536 printf("eth%d : %s %pM %s\n", dev_seq(dev), dev->name, env_enetaddr,
537 current == dev ? "active" : "");
539 return CMD_RET_SUCCESS;
542 static struct cmd_tbl cmd_net[] = {
543 U_BOOT_CMD_MKENT(list, 1, 0, do_net_list, "", ""),
546 static int do_net(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
550 cp = find_cmd_tbl(argv[1], cmd_net, ARRAY_SIZE(cmd_net));
552 /* Drop the net command */
556 if (!cp || argc > cp->maxargs)
557 return CMD_RET_USAGE;
558 if (flag == CMD_FLAG_REPEAT && !cmd_is_repeatable(cp))
559 return CMD_RET_SUCCESS;
561 return cp->cmd(cmdtp, flag, argc, argv);
567 "list - list available devices\n"
569 #endif // CONFIG_DM_ETH
571 #if defined(CONFIG_CMD_NCSI)
572 static int do_ncsi(struct cmd_tbl *cmdtp, int flag, int argc, char * const argv[])
574 if (!phy_interface_is_ncsi() || !ncsi_active()) {
575 printf("Device not configured for NC-SI\n");
576 return CMD_RET_FAILURE;
579 if (net_loop(NCSI) < 0)
580 return CMD_RET_FAILURE;
582 return CMD_RET_SUCCESS;
587 "Configure attached NIC via NC-SI",
590 #endif /* CONFIG_CMD_NCSI */