1 // SPDX-License-Identifier: GPL-2.0+
4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
14 static int netboot_common(enum proto_t, cmd_tbl_t *, int, char * const []);
16 #ifdef CONFIG_CMD_BOOTP
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]"
29 #ifdef CONFIG_CMD_TFTPBOOT
30 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
34 bootstage_mark_name(BOOTSTAGE_KERNELREAD_START, "tftp_start");
35 ret = netboot_common(TFTPGET, cmdtp, argc, argv);
36 bootstage_mark_name(BOOTSTAGE_KERNELREAD_STOP, "tftp_done");
41 tftpboot, 3, 1, do_tftpb,
42 "boot image via network using TFTP protocol",
43 "[loadAddress] [[hostIPaddr:]bootfilename]"
47 #ifdef CONFIG_CMD_TFTPPUT
48 static int do_tftpput(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
50 return netboot_common(TFTPPUT, cmdtp, argc, argv);
54 tftpput, 4, 1, do_tftpput,
55 "TFTP put command, for uploading files to a server",
56 "Address Size [[hostIPaddr:]filename]"
60 #ifdef CONFIG_CMD_TFTPSRV
61 static int do_tftpsrv(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
63 return netboot_common(TFTPSRV, cmdtp, argc, argv);
67 tftpsrv, 2, 1, do_tftpsrv,
68 "act as a TFTP server and boot the first received file",
70 "Listen for an incoming TFTP transfer, receive a file and boot it.\n"
71 "The transfer is aborted if a transfer has not been started after\n"
72 "about 50 seconds or if Ctrl-C is pressed."
77 #ifdef CONFIG_CMD_RARP
78 int do_rarpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
80 return netboot_common(RARP, cmdtp, argc, argv);
84 rarpboot, 3, 1, do_rarpb,
85 "boot image via network using RARP/TFTP protocol",
86 "[loadAddress] [[hostIPaddr:]bootfilename]"
90 #if defined(CONFIG_CMD_DHCP)
91 static int do_dhcp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
93 return netboot_common(DHCP, cmdtp, argc, argv);
98 "boot image via network using DHCP/TFTP protocol",
99 "[loadAddress] [[hostIPaddr:]bootfilename]"
103 #if defined(CONFIG_CMD_NFS)
104 static int do_nfs(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
106 return netboot_common(NFS, cmdtp, argc, argv);
111 "boot image via network using NFS protocol",
112 "[loadAddress] [[hostIPaddr:]bootfilename]"
116 static void netboot_update_env(void)
120 if (net_gateway.s_addr) {
121 ip_to_string(net_gateway, tmp);
122 env_set("gatewayip", tmp);
125 if (net_netmask.s_addr) {
126 ip_to_string(net_netmask, tmp);
127 env_set("netmask", tmp);
131 env_set("hostname", net_hostname);
133 if (net_root_path[0])
134 env_set("rootpath", net_root_path);
137 ip_to_string(net_ip, tmp);
138 env_set("ipaddr", tmp);
140 #if !defined(CONFIG_BOOTP_SERVERIP)
142 * Only attempt to change serverip if net/bootp.c:store_net_params()
145 if (net_server_ip.s_addr) {
146 ip_to_string(net_server_ip, tmp);
147 env_set("serverip", tmp);
150 if (net_dns_server.s_addr) {
151 ip_to_string(net_dns_server, tmp);
152 env_set("dnsip", tmp);
154 #if defined(CONFIG_BOOTP_DNS2)
155 if (net_dns_server2.s_addr) {
156 ip_to_string(net_dns_server2, tmp);
157 env_set("dnsip2", tmp);
160 if (net_nis_domain[0])
161 env_set("domain", net_nis_domain);
163 #if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_TIMEOFFSET)
164 if (net_ntp_time_offset) {
165 sprintf(tmp, "%d", net_ntp_time_offset);
166 env_set("timeoffset", tmp);
169 #if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_NTPSERVER)
170 if (net_ntp_server.s_addr) {
171 ip_to_string(net_ntp_server, tmp);
172 env_set("ntpserverip", tmp);
177 static int netboot_common(enum proto_t proto, cmd_tbl_t *cmdtp, int argc,
186 net_boot_file_name_explicit = false;
188 /* pre-set load_addr */
189 s = env_get("loadaddr");
191 load_addr = simple_strtoul(s, NULL, 16);
198 * Only one arg - accept two forms:
199 * Just load address, or just boot file name. The latter
200 * form must be written in a format which can not be
201 * mis-interpreted as a valid number.
203 addr = simple_strtoul(argv[1], &end, 16);
204 if (end == (argv[1] + strlen(argv[1]))) {
207 net_boot_file_name_explicit = true;
208 copy_filename(net_boot_file_name, argv[1],
209 sizeof(net_boot_file_name));
214 load_addr = simple_strtoul(argv[1], NULL, 16);
215 net_boot_file_name_explicit = true;
216 copy_filename(net_boot_file_name, argv[2],
217 sizeof(net_boot_file_name));
221 #ifdef CONFIG_CMD_TFTPPUT
223 if (strict_strtoul(argv[1], 16, &save_addr) < 0 ||
224 strict_strtoul(argv[2], 16, &save_size) < 0) {
225 printf("Invalid address/size\n");
226 return CMD_RET_USAGE;
228 net_boot_file_name_explicit = true;
229 copy_filename(net_boot_file_name, argv[3],
230 sizeof(net_boot_file_name));
234 bootstage_error(BOOTSTAGE_ID_NET_START);
235 return CMD_RET_USAGE;
237 bootstage_mark(BOOTSTAGE_ID_NET_START);
239 size = net_loop(proto);
241 bootstage_error(BOOTSTAGE_ID_NET_NETLOOP_OK);
242 return CMD_RET_FAILURE;
244 bootstage_mark(BOOTSTAGE_ID_NET_NETLOOP_OK);
246 /* net_loop ok, update environment */
247 netboot_update_env();
249 /* done if no file was loaded (no errors though) */
251 bootstage_error(BOOTSTAGE_ID_NET_LOADED);
252 return CMD_RET_SUCCESS;
255 bootstage_mark(BOOTSTAGE_ID_NET_LOADED);
257 rcode = bootm_maybe_autostart(cmdtp, argv[0]);
259 if (rcode == CMD_RET_SUCCESS)
260 bootstage_mark(BOOTSTAGE_ID_NET_DONE);
262 bootstage_error(BOOTSTAGE_ID_NET_DONE_ERR);
266 #if defined(CONFIG_CMD_PING)
267 static int do_ping(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
270 return CMD_RET_USAGE;
272 net_ping_ip = string_to_ip(argv[1]);
273 if (net_ping_ip.s_addr == 0)
274 return CMD_RET_USAGE;
276 if (net_loop(PING) < 0) {
277 printf("ping failed; host %s is not alive\n", argv[1]);
278 return CMD_RET_FAILURE;
281 printf("host %s is alive\n", argv[1]);
283 return CMD_RET_SUCCESS;
288 "send ICMP ECHO_REQUEST to network host",
293 #if defined(CONFIG_CMD_CDP)
295 static void cdp_update_env(void)
299 if (cdp_appliance_vlan != htons(-1)) {
300 printf("CDP offered appliance VLAN %d\n",
301 ntohs(cdp_appliance_vlan));
302 vlan_to_string(cdp_appliance_vlan, tmp);
303 env_set("vlan", tmp);
304 net_our_vlan = cdp_appliance_vlan;
307 if (cdp_native_vlan != htons(-1)) {
308 printf("CDP offered native VLAN %d\n", ntohs(cdp_native_vlan));
309 vlan_to_string(cdp_native_vlan, tmp);
310 env_set("nvlan", tmp);
311 net_native_vlan = cdp_native_vlan;
315 int do_cdp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
321 printf("cdp failed; perhaps not a CISCO switch?\n");
322 return CMD_RET_FAILURE;
327 return CMD_RET_SUCCESS;
332 "Perform CDP network configuration",
337 #if defined(CONFIG_CMD_SNTP)
338 int do_sntp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
343 net_ntp_server = env_get_ip("ntpserverip");
344 if (net_ntp_server.s_addr == 0) {
345 printf("ntpserverip not set\n");
346 return CMD_RET_FAILURE;
349 net_ntp_server = string_to_ip(argv[1]);
350 if (net_ntp_server.s_addr == 0) {
351 printf("Bad NTP server IP address\n");
352 return CMD_RET_FAILURE;
356 toff = env_get("timeoffset");
358 net_ntp_time_offset = 0;
360 net_ntp_time_offset = simple_strtol(toff, NULL, 10);
362 if (net_loop(SNTP) < 0) {
363 printf("SNTP failed: host %pI4 not responding\n",
365 return CMD_RET_FAILURE;
368 return CMD_RET_SUCCESS;
373 "synchronize RTC via network",
378 #if defined(CONFIG_CMD_DNS)
379 int do_dns(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
382 return CMD_RET_USAGE;
385 * We should check for a valid hostname:
386 * - Each label must be between 1 and 63 characters long
387 * - the entire hostname has a maximum of 255 characters
388 * - only the ASCII letters 'a' through 'z' (case-insensitive),
389 * the digits '0' through '9', and the hyphen
390 * - cannot begin or end with a hyphen
391 * - no other symbols, punctuation characters, or blank spaces are
393 * but hey - this is a minimalist implmentation, so only check length
394 * and let the name server deal with things.
396 if (strlen(argv[1]) >= 255) {
397 printf("dns error: hostname too long\n");
398 return CMD_RET_FAILURE;
401 net_dns_resolve = argv[1];
404 net_dns_env_var = argv[2];
406 net_dns_env_var = NULL;
408 if (net_loop(DNS) < 0) {
409 printf("dns lookup of %s failed, check setup\n", argv[1]);
410 return CMD_RET_FAILURE;
413 return CMD_RET_SUCCESS;
418 "lookup the IP of a hostname",
422 #endif /* CONFIG_CMD_DNS */
424 #if defined(CONFIG_CMD_LINK_LOCAL)
425 static int do_link_local(cmd_tbl_t *cmdtp, int flag, int argc,
430 if (net_loop(LINKLOCAL) < 0)
431 return CMD_RET_FAILURE;
433 net_gateway.s_addr = 0;
434 ip_to_string(net_gateway, tmp);
435 env_set("gatewayip", tmp);
437 ip_to_string(net_netmask, tmp);
438 env_set("netmask", tmp);
440 ip_to_string(net_ip, tmp);
441 env_set("ipaddr", tmp);
442 env_set("llipaddr", tmp); /* store this for next time */
444 return CMD_RET_SUCCESS;
448 linklocal, 1, 1, do_link_local,
449 "acquire a network IP address using the link-local protocol",
453 #endif /* CONFIG_CMD_LINK_LOCAL */