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);
195 /* refresh bootfile name from env */
196 copy_filename(net_boot_file_name
, env_get("bootfile"),
197 sizeof(net_boot_file_name
));
201 * Only one arg - accept two forms:
202 * Just load address, or just boot file name. The latter
203 * form must be written in a format which can not be
204 * mis-interpreted as a valid number.
206 addr
= simple_strtoul(argv
[1], &end
, 16);
207 if (end
== (argv
[1] + strlen(argv
[1]))) {
209 /* refresh bootfile name from env */
210 copy_filename(net_boot_file_name
, env_get("bootfile"),
211 sizeof(net_boot_file_name
));
213 net_boot_file_name_explicit
= true;
214 copy_filename(net_boot_file_name
, argv
[1],
215 sizeof(net_boot_file_name
));
220 load_addr
= simple_strtoul(argv
[1], NULL
, 16);
221 net_boot_file_name_explicit
= true;
222 copy_filename(net_boot_file_name
, argv
[2],
223 sizeof(net_boot_file_name
));
227 #ifdef CONFIG_CMD_TFTPPUT
229 if (strict_strtoul(argv
[1], 16, &save_addr
) < 0 ||
230 strict_strtoul(argv
[2], 16, &save_size
) < 0) {
231 printf("Invalid address/size\n");
232 return CMD_RET_USAGE
;
234 net_boot_file_name_explicit
= true;
235 copy_filename(net_boot_file_name
, argv
[3],
236 sizeof(net_boot_file_name
));
240 bootstage_error(BOOTSTAGE_ID_NET_START
);
241 return CMD_RET_USAGE
;
243 bootstage_mark(BOOTSTAGE_ID_NET_START
);
245 size
= net_loop(proto
);
247 bootstage_error(BOOTSTAGE_ID_NET_NETLOOP_OK
);
248 return CMD_RET_FAILURE
;
250 bootstage_mark(BOOTSTAGE_ID_NET_NETLOOP_OK
);
252 /* net_loop ok, update environment */
253 netboot_update_env();
255 /* done if no file was loaded (no errors though) */
257 bootstage_error(BOOTSTAGE_ID_NET_LOADED
);
258 return CMD_RET_SUCCESS
;
261 bootstage_mark(BOOTSTAGE_ID_NET_LOADED
);
263 rcode
= bootm_maybe_autostart(cmdtp
, argv
[0]);
265 if (rcode
== CMD_RET_SUCCESS
)
266 bootstage_mark(BOOTSTAGE_ID_NET_DONE
);
268 bootstage_error(BOOTSTAGE_ID_NET_DONE_ERR
);
272 #if defined(CONFIG_CMD_PING)
273 static int do_ping(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
276 return CMD_RET_USAGE
;
278 net_ping_ip
= string_to_ip(argv
[1]);
279 if (net_ping_ip
.s_addr
== 0)
280 return CMD_RET_USAGE
;
282 if (net_loop(PING
) < 0) {
283 printf("ping failed; host %s is not alive\n", argv
[1]);
284 return CMD_RET_FAILURE
;
287 printf("host %s is alive\n", argv
[1]);
289 return CMD_RET_SUCCESS
;
294 "send ICMP ECHO_REQUEST to network host",
299 #if defined(CONFIG_CMD_CDP)
301 static void cdp_update_env(void)
305 if (cdp_appliance_vlan
!= htons(-1)) {
306 printf("CDP offered appliance VLAN %d\n",
307 ntohs(cdp_appliance_vlan
));
308 vlan_to_string(cdp_appliance_vlan
, tmp
);
309 env_set("vlan", tmp
);
310 net_our_vlan
= cdp_appliance_vlan
;
313 if (cdp_native_vlan
!= htons(-1)) {
314 printf("CDP offered native VLAN %d\n", ntohs(cdp_native_vlan
));
315 vlan_to_string(cdp_native_vlan
, tmp
);
316 env_set("nvlan", tmp
);
317 net_native_vlan
= cdp_native_vlan
;
321 int do_cdp(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
327 printf("cdp failed; perhaps not a CISCO switch?\n");
328 return CMD_RET_FAILURE
;
333 return CMD_RET_SUCCESS
;
338 "Perform CDP network configuration",
343 #if defined(CONFIG_CMD_SNTP)
344 int do_sntp(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
349 net_ntp_server
= env_get_ip("ntpserverip");
350 if (net_ntp_server
.s_addr
== 0) {
351 printf("ntpserverip not set\n");
352 return CMD_RET_FAILURE
;
355 net_ntp_server
= string_to_ip(argv
[1]);
356 if (net_ntp_server
.s_addr
== 0) {
357 printf("Bad NTP server IP address\n");
358 return CMD_RET_FAILURE
;
362 toff
= env_get("timeoffset");
364 net_ntp_time_offset
= 0;
366 net_ntp_time_offset
= simple_strtol(toff
, NULL
, 10);
368 if (net_loop(SNTP
) < 0) {
369 printf("SNTP failed: host %pI4 not responding\n",
371 return CMD_RET_FAILURE
;
374 return CMD_RET_SUCCESS
;
379 "synchronize RTC via network",
384 #if defined(CONFIG_CMD_DNS)
385 int do_dns(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
388 return CMD_RET_USAGE
;
391 * We should check for a valid hostname:
392 * - Each label must be between 1 and 63 characters long
393 * - the entire hostname has a maximum of 255 characters
394 * - only the ASCII letters 'a' through 'z' (case-insensitive),
395 * the digits '0' through '9', and the hyphen
396 * - cannot begin or end with a hyphen
397 * - no other symbols, punctuation characters, or blank spaces are
399 * but hey - this is a minimalist implmentation, so only check length
400 * and let the name server deal with things.
402 if (strlen(argv
[1]) >= 255) {
403 printf("dns error: hostname too long\n");
404 return CMD_RET_FAILURE
;
407 net_dns_resolve
= argv
[1];
410 net_dns_env_var
= argv
[2];
412 net_dns_env_var
= NULL
;
414 if (net_loop(DNS
) < 0) {
415 printf("dns lookup of %s failed, check setup\n", argv
[1]);
416 return CMD_RET_FAILURE
;
419 return CMD_RET_SUCCESS
;
424 "lookup the IP of a hostname",
428 #endif /* CONFIG_CMD_DNS */
430 #if defined(CONFIG_CMD_LINK_LOCAL)
431 static int do_link_local(cmd_tbl_t
*cmdtp
, int flag
, int argc
,
436 if (net_loop(LINKLOCAL
) < 0)
437 return CMD_RET_FAILURE
;
439 net_gateway
.s_addr
= 0;
440 ip_to_string(net_gateway
, tmp
);
441 env_set("gatewayip", tmp
);
443 ip_to_string(net_netmask
, tmp
);
444 env_set("netmask", tmp
);
446 ip_to_string(net_ip
, tmp
);
447 env_set("ipaddr", tmp
);
448 env_set("llipaddr", tmp
); /* store this for next time */
450 return CMD_RET_SUCCESS
;
454 linklocal
, 1, 1, do_link_local
,
455 "acquire a network IP address using the link-local protocol",
459 #endif /* CONFIG_CMD_LINK_LOCAL */