1 // SPDX-License-Identifier: GPL-2.0+
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 "boot image 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);
192 static int netboot_common(enum proto_t proto, struct cmd_tbl *cmdtp, int argc,
201 net_boot_file_name_explicit = false;
203 /* pre-set image_load_addr */
204 s = env_get("loadaddr");
206 image_load_addr = hextoul(s, NULL);
210 /* refresh bootfile name from env */
211 copy_filename(net_boot_file_name, env_get("bootfile"),
212 sizeof(net_boot_file_name));
216 * Only one arg - accept two forms:
217 * Just load address, or just boot file name. The latter
218 * form must be written in a format which can not be
219 * mis-interpreted as a valid number.
221 addr = hextoul(argv[1], &end);
222 if (end == (argv[1] + strlen(argv[1]))) {
223 image_load_addr = addr;
224 /* refresh bootfile name from env */
225 copy_filename(net_boot_file_name, env_get("bootfile"),
226 sizeof(net_boot_file_name));
228 net_boot_file_name_explicit = true;
229 copy_filename(net_boot_file_name, argv[1],
230 sizeof(net_boot_file_name));
235 image_load_addr = hextoul(argv[1], NULL);
236 net_boot_file_name_explicit = true;
237 copy_filename(net_boot_file_name, argv[2],
238 sizeof(net_boot_file_name));
242 #ifdef CONFIG_CMD_TFTPPUT
244 if (strict_strtoul(argv[1], 16, &image_save_addr) < 0 ||
245 strict_strtoul(argv[2], 16, &image_save_size) < 0) {
246 printf("Invalid address/size\n");
247 return CMD_RET_USAGE;
249 net_boot_file_name_explicit = true;
250 copy_filename(net_boot_file_name, argv[3],
251 sizeof(net_boot_file_name));
255 bootstage_error(BOOTSTAGE_ID_NET_START);
256 return CMD_RET_USAGE;
258 bootstage_mark(BOOTSTAGE_ID_NET_START);
260 size = net_loop(proto);
262 bootstage_error(BOOTSTAGE_ID_NET_NETLOOP_OK);
263 return CMD_RET_FAILURE;
265 bootstage_mark(BOOTSTAGE_ID_NET_NETLOOP_OK);
267 /* net_loop ok, update environment */
268 netboot_update_env();
270 /* done if no file was loaded (no errors though) */
272 bootstage_error(BOOTSTAGE_ID_NET_LOADED);
273 return CMD_RET_SUCCESS;
276 bootstage_mark(BOOTSTAGE_ID_NET_LOADED);
278 rcode = bootm_maybe_autostart(cmdtp, argv[0]);
280 if (rcode == CMD_RET_SUCCESS)
281 bootstage_mark(BOOTSTAGE_ID_NET_DONE);
283 bootstage_error(BOOTSTAGE_ID_NET_DONE_ERR);
287 #if defined(CONFIG_CMD_PING)
288 static int do_ping(struct cmd_tbl *cmdtp, int flag, int argc,
292 return CMD_RET_USAGE;
294 net_ping_ip = string_to_ip(argv[1]);
295 if (net_ping_ip.s_addr == 0)
296 return CMD_RET_USAGE;
298 if (net_loop(PING) < 0) {
299 printf("ping failed; host %s is not alive\n", argv[1]);
300 return CMD_RET_FAILURE;
303 printf("host %s is alive\n", argv[1]);
305 return CMD_RET_SUCCESS;
310 "send ICMP ECHO_REQUEST to network host",
315 #if defined(CONFIG_CMD_CDP)
317 static void cdp_update_env(void)
321 if (cdp_appliance_vlan != htons(-1)) {
322 printf("CDP offered appliance VLAN %d\n",
323 ntohs(cdp_appliance_vlan));
324 vlan_to_string(cdp_appliance_vlan, tmp);
325 env_set("vlan", tmp);
326 net_our_vlan = cdp_appliance_vlan;
329 if (cdp_native_vlan != htons(-1)) {
330 printf("CDP offered native VLAN %d\n", ntohs(cdp_native_vlan));
331 vlan_to_string(cdp_native_vlan, tmp);
332 env_set("nvlan", tmp);
333 net_native_vlan = cdp_native_vlan;
337 int do_cdp(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
343 printf("cdp failed; perhaps not a CISCO switch?\n");
344 return CMD_RET_FAILURE;
349 return CMD_RET_SUCCESS;
354 "Perform CDP network configuration",
359 #if defined(CONFIG_CMD_SNTP)
360 static struct udp_ops sntp_ops = {
361 .prereq = sntp_prereq,
366 int do_sntp(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
371 net_ntp_server = env_get_ip("ntpserverip");
372 if (net_ntp_server.s_addr == 0) {
373 printf("ntpserverip not set\n");
374 return CMD_RET_FAILURE;
377 net_ntp_server = string_to_ip(argv[1]);
378 if (net_ntp_server.s_addr == 0) {
379 printf("Bad NTP server IP address\n");
380 return CMD_RET_FAILURE;
384 toff = env_get("timeoffset");
386 net_ntp_time_offset = 0;
388 net_ntp_time_offset = simple_strtol(toff, NULL, 10);
390 if (udp_loop(&sntp_ops) < 0) {
391 printf("SNTP failed: host %pI4 not responding\n",
393 return CMD_RET_FAILURE;
396 return CMD_RET_SUCCESS;
401 "synchronize RTC via network",
406 #if defined(CONFIG_CMD_DNS)
407 int do_dns(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
410 return CMD_RET_USAGE;
413 * We should check for a valid hostname:
414 * - Each label must be between 1 and 63 characters long
415 * - the entire hostname has a maximum of 255 characters
416 * - only the ASCII letters 'a' through 'z' (case-insensitive),
417 * the digits '0' through '9', and the hyphen
418 * - cannot begin or end with a hyphen
419 * - no other symbols, punctuation characters, or blank spaces are
421 * but hey - this is a minimalist implmentation, so only check length
422 * and let the name server deal with things.
424 if (strlen(argv[1]) >= 255) {
425 printf("dns error: hostname too long\n");
426 return CMD_RET_FAILURE;
429 net_dns_resolve = argv[1];
432 net_dns_env_var = argv[2];
434 net_dns_env_var = NULL;
436 if (net_loop(DNS) < 0) {
437 printf("dns lookup of %s failed, check setup\n", argv[1]);
438 return CMD_RET_FAILURE;
441 return CMD_RET_SUCCESS;
446 "lookup the IP of a hostname",
450 #endif /* CONFIG_CMD_DNS */
452 #if defined(CONFIG_CMD_LINK_LOCAL)
453 static int do_link_local(struct cmd_tbl *cmdtp, int flag, int argc,
458 if (net_loop(LINKLOCAL) < 0)
459 return CMD_RET_FAILURE;
461 net_gateway.s_addr = 0;
462 ip_to_string(net_gateway, tmp);
463 env_set("gatewayip", tmp);
465 ip_to_string(net_netmask, tmp);
466 env_set("netmask", tmp);
468 ip_to_string(net_ip, tmp);
469 env_set("ipaddr", tmp);
470 env_set("llipaddr", tmp); /* store this for next time */
472 return CMD_RET_SUCCESS;
476 linklocal, 1, 1, do_link_local,
477 "acquire a network IP address using the link-local protocol",
481 #endif /* CONFIG_CMD_LINK_LOCAL */
484 static int do_net_list(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
486 const struct udevice *current = eth_get_dev();
487 unsigned char env_enetaddr[ARP_HLEN];
488 const struct udevice *dev;
491 uclass_id_foreach_dev(UCLASS_ETH, dev, uc) {
492 eth_env_get_enetaddr_by_index("eth", dev_seq(dev), env_enetaddr);
493 printf("eth%d : %s %pM %s\n", dev_seq(dev), dev->name, env_enetaddr,
494 current == dev ? "active" : "");
496 return CMD_RET_SUCCESS;
499 static struct cmd_tbl cmd_net[] = {
500 U_BOOT_CMD_MKENT(list, 1, 0, do_net_list, "", ""),
503 static int do_net(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
507 cp = find_cmd_tbl(argv[1], cmd_net, ARRAY_SIZE(cmd_net));
509 /* Drop the net command */
513 if (!cp || argc > cp->maxargs)
514 return CMD_RET_USAGE;
515 if (flag == CMD_FLAG_REPEAT && !cmd_is_repeatable(cp))
516 return CMD_RET_SUCCESS;
518 return cp->cmd(cmdtp, flag, argc, argv);
524 "list - list available devices\n"
526 #endif // CONFIG_DM_ETH