3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * SPDX-License-Identifier: GPL-2.0+
15 static int netboot_common(enum proto_t, cmd_tbl_t *, int, char * const []);
17 static int do_bootp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
19 return netboot_common(BOOTP, cmdtp, argc, argv);
23 bootp, 3, 1, do_bootp,
24 "boot image via network using BOOTP/TFTP protocol",
25 "[loadAddress] [[hostIPaddr:]bootfilename]"
28 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
32 bootstage_mark_name(BOOTSTAGE_KERNELREAD_START, "tftp_start");
33 ret = netboot_common(TFTPGET, cmdtp, argc, argv);
34 bootstage_mark_name(BOOTSTAGE_KERNELREAD_STOP, "tftp_done");
39 tftpboot, 3, 1, do_tftpb,
40 "boot image via network using TFTP protocol",
41 "[loadAddress] [[hostIPaddr:]bootfilename]"
44 #ifdef CONFIG_CMD_TFTPPUT
45 static int do_tftpput(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
47 return netboot_common(TFTPPUT, cmdtp, argc, argv);
51 tftpput, 4, 1, do_tftpput,
52 "TFTP put command, for uploading files to a server",
53 "Address Size [[hostIPaddr:]filename]"
57 #ifdef CONFIG_CMD_TFTPSRV
58 static int do_tftpsrv(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
60 return netboot_common(TFTPSRV, cmdtp, argc, argv);
64 tftpsrv, 2, 1, do_tftpsrv,
65 "act as a TFTP server and boot the first received file",
67 "Listen for an incoming TFTP transfer, receive a file and boot it.\n"
68 "The transfer is aborted if a transfer has not been started after\n"
69 "about 50 seconds or if Ctrl-C is pressed."
74 #ifdef CONFIG_CMD_RARP
75 int do_rarpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
77 return netboot_common(RARP, cmdtp, argc, argv);
81 rarpboot, 3, 1, do_rarpb,
82 "boot image via network using RARP/TFTP protocol",
83 "[loadAddress] [[hostIPaddr:]bootfilename]"
87 #if defined(CONFIG_CMD_DHCP)
88 static int do_dhcp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
90 return netboot_common(DHCP, cmdtp, argc, argv);
95 "boot image via network using DHCP/TFTP protocol",
96 "[loadAddress] [[hostIPaddr:]bootfilename]"
100 #if defined(CONFIG_CMD_NFS)
101 static int do_nfs(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
103 return netboot_common(NFS, cmdtp, argc, argv);
108 "boot image via network using NFS protocol",
109 "[loadAddress] [[hostIPaddr:]bootfilename]"
113 static void netboot_update_env(void)
117 if (net_gateway.s_addr) {
118 ip_to_string(net_gateway, tmp);
119 env_set("gatewayip", tmp);
122 if (net_netmask.s_addr) {
123 ip_to_string(net_netmask, tmp);
124 env_set("netmask", tmp);
128 env_set("hostname", net_hostname);
130 if (net_root_path[0])
131 env_set("rootpath", net_root_path);
134 ip_to_string(net_ip, tmp);
135 env_set("ipaddr", tmp);
137 #if !defined(CONFIG_BOOTP_SERVERIP)
139 * Only attempt to change serverip if net/bootp.c:store_net_params()
142 if (net_server_ip.s_addr) {
143 ip_to_string(net_server_ip, tmp);
144 env_set("serverip", tmp);
147 if (net_dns_server.s_addr) {
148 ip_to_string(net_dns_server, tmp);
149 env_set("dnsip", tmp);
151 #if defined(CONFIG_BOOTP_DNS2)
152 if (net_dns_server2.s_addr) {
153 ip_to_string(net_dns_server2, tmp);
154 env_set("dnsip2", tmp);
157 if (net_nis_domain[0])
158 env_set("domain", net_nis_domain);
160 #if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_TIMEOFFSET)
161 if (net_ntp_time_offset) {
162 sprintf(tmp, "%d", net_ntp_time_offset);
163 env_set("timeoffset", tmp);
166 #if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_NTPSERVER)
167 if (net_ntp_server.s_addr) {
168 ip_to_string(net_ntp_server, tmp);
169 env_set("ntpserverip", tmp);
174 static int netboot_common(enum proto_t proto, cmd_tbl_t *cmdtp, int argc,
183 /* pre-set load_addr */
184 s = env_get("loadaddr");
186 load_addr = simple_strtoul(s, NULL, 16);
193 * Only one arg - accept two forms:
194 * Just load address, or just boot file name. The latter
195 * form must be written in a format which can not be
196 * mis-interpreted as a valid number.
198 addr = simple_strtoul(argv[1], &end, 16);
199 if (end == (argv[1] + strlen(argv[1])))
202 copy_filename(net_boot_file_name, argv[1],
203 sizeof(net_boot_file_name));
207 load_addr = simple_strtoul(argv[1], NULL, 16);
208 copy_filename(net_boot_file_name, argv[2],
209 sizeof(net_boot_file_name));
213 #ifdef CONFIG_CMD_TFTPPUT
215 if (strict_strtoul(argv[1], 16, &save_addr) < 0 ||
216 strict_strtoul(argv[2], 16, &save_size) < 0) {
217 printf("Invalid address/size\n");
218 return CMD_RET_USAGE;
220 copy_filename(net_boot_file_name, argv[3],
221 sizeof(net_boot_file_name));
225 bootstage_error(BOOTSTAGE_ID_NET_START);
226 return CMD_RET_USAGE;
228 bootstage_mark(BOOTSTAGE_ID_NET_START);
230 size = net_loop(proto);
232 bootstage_error(BOOTSTAGE_ID_NET_NETLOOP_OK);
233 return CMD_RET_FAILURE;
235 bootstage_mark(BOOTSTAGE_ID_NET_NETLOOP_OK);
237 /* net_loop ok, update environment */
238 netboot_update_env();
240 /* done if no file was loaded (no errors though) */
242 bootstage_error(BOOTSTAGE_ID_NET_LOADED);
243 return CMD_RET_SUCCESS;
246 bootstage_mark(BOOTSTAGE_ID_NET_LOADED);
248 rcode = bootm_maybe_autostart(cmdtp, argv[0]);
250 if (rcode == CMD_RET_SUCCESS)
251 bootstage_mark(BOOTSTAGE_ID_NET_DONE);
253 bootstage_error(BOOTSTAGE_ID_NET_DONE_ERR);
257 #if defined(CONFIG_CMD_PING)
258 static int do_ping(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
261 return CMD_RET_USAGE;
263 net_ping_ip = string_to_ip(argv[1]);
264 if (net_ping_ip.s_addr == 0)
265 return CMD_RET_USAGE;
267 if (net_loop(PING) < 0) {
268 printf("ping failed; host %s is not alive\n", argv[1]);
269 return CMD_RET_FAILURE;
272 printf("host %s is alive\n", argv[1]);
274 return CMD_RET_SUCCESS;
279 "send ICMP ECHO_REQUEST to network host",
284 #if defined(CONFIG_CMD_CDP)
286 static void cdp_update_env(void)
290 if (cdp_appliance_vlan != htons(-1)) {
291 printf("CDP offered appliance VLAN %d\n",
292 ntohs(cdp_appliance_vlan));
293 vlan_to_string(cdp_appliance_vlan, tmp);
294 env_set("vlan", tmp);
295 net_our_vlan = cdp_appliance_vlan;
298 if (cdp_native_vlan != htons(-1)) {
299 printf("CDP offered native VLAN %d\n", ntohs(cdp_native_vlan));
300 vlan_to_string(cdp_native_vlan, tmp);
301 env_set("nvlan", tmp);
302 net_native_vlan = cdp_native_vlan;
306 int do_cdp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
312 printf("cdp failed; perhaps not a CISCO switch?\n");
313 return CMD_RET_FAILURE;
318 return CMD_RET_SUCCESS;
323 "Perform CDP network configuration",
328 #if defined(CONFIG_CMD_SNTP)
329 int do_sntp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
334 net_ntp_server = env_get_ip("ntpserverip");
335 if (net_ntp_server.s_addr == 0) {
336 printf("ntpserverip not set\n");
337 return CMD_RET_FAILURE;
340 net_ntp_server = string_to_ip(argv[1]);
341 if (net_ntp_server.s_addr == 0) {
342 printf("Bad NTP server IP address\n");
343 return CMD_RET_FAILURE;
347 toff = env_get("timeoffset");
349 net_ntp_time_offset = 0;
351 net_ntp_time_offset = simple_strtol(toff, NULL, 10);
353 if (net_loop(SNTP) < 0) {
354 printf("SNTP failed: host %pI4 not responding\n",
356 return CMD_RET_FAILURE;
359 return CMD_RET_SUCCESS;
364 "synchronize RTC via network",
369 #if defined(CONFIG_CMD_DNS)
370 int do_dns(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
373 return CMD_RET_USAGE;
376 * We should check for a valid hostname:
377 * - Each label must be between 1 and 63 characters long
378 * - the entire hostname has a maximum of 255 characters
379 * - only the ASCII letters 'a' through 'z' (case-insensitive),
380 * the digits '0' through '9', and the hyphen
381 * - cannot begin or end with a hyphen
382 * - no other symbols, punctuation characters, or blank spaces are
384 * but hey - this is a minimalist implmentation, so only check length
385 * and let the name server deal with things.
387 if (strlen(argv[1]) >= 255) {
388 printf("dns error: hostname too long\n");
389 return CMD_RET_FAILURE;
392 net_dns_resolve = argv[1];
395 net_dns_env_var = argv[2];
397 net_dns_env_var = NULL;
399 if (net_loop(DNS) < 0) {
400 printf("dns lookup of %s failed, check setup\n", argv[1]);
401 return CMD_RET_FAILURE;
404 return CMD_RET_SUCCESS;
409 "lookup the IP of a hostname",
413 #endif /* CONFIG_CMD_DNS */
415 #if defined(CONFIG_CMD_LINK_LOCAL)
416 static int do_link_local(cmd_tbl_t *cmdtp, int flag, int argc,
421 if (net_loop(LINKLOCAL) < 0)
422 return CMD_RET_FAILURE;
424 net_gateway.s_addr = 0;
425 ip_to_string(net_gateway, tmp);
426 env_set("gatewayip", tmp);
428 ip_to_string(net_netmask, tmp);
429 env_set("netmask", tmp);
431 ip_to_string(net_ip, tmp);
432 env_set("ipaddr", tmp);
433 env_set("llipaddr", tmp); /* store this for next time */
435 return CMD_RET_SUCCESS;
439 linklocal, 1, 1, do_link_local,
440 "acquire a network IP address using the link-local protocol",
444 #endif /* CONFIG_CMD_LINK_LOCAL */