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 int do_tftpput(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
49 ret
= 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 (NetOurGatewayIP
) {
121 ip_to_string(NetOurGatewayIP
, tmp
);
122 setenv("gatewayip", tmp
);
125 if (NetOurSubnetMask
) {
126 ip_to_string(NetOurSubnetMask
, tmp
);
127 setenv("netmask", tmp
);
130 if (NetOurHostName
[0])
131 setenv("hostname", NetOurHostName
);
133 if (NetOurRootPath
[0])
134 setenv("rootpath", NetOurRootPath
);
137 ip_to_string(NetOurIP
, tmp
);
138 setenv("ipaddr", tmp
);
140 #if !defined(CONFIG_BOOTP_SERVERIP)
142 * Only attempt to change serverip if net/bootp.c:BootpCopyNetParams()
146 ip_to_string(NetServerIP
, tmp
);
147 setenv("serverip", tmp
);
151 ip_to_string(NetOurDNSIP
, tmp
);
152 setenv("dnsip", tmp
);
154 #if defined(CONFIG_BOOTP_DNS2)
156 ip_to_string(NetOurDNS2IP
, tmp
);
157 setenv("dnsip2", tmp
);
160 if (NetOurNISDomain
[0])
161 setenv("domain", NetOurNISDomain
);
163 #if defined(CONFIG_CMD_SNTP) \
164 && defined(CONFIG_BOOTP_TIMEOFFSET)
166 sprintf(tmp
, "%d", NetTimeOffset
);
167 setenv("timeoffset", tmp
);
170 #if defined(CONFIG_CMD_SNTP) \
171 && defined(CONFIG_BOOTP_NTPSERVER)
172 if (NetNtpServerIP
) {
173 ip_to_string(NetNtpServerIP
, tmp
);
174 setenv("ntpserverip", tmp
);
179 static int netboot_common(enum proto_t proto
, cmd_tbl_t
*cmdtp
, int argc
,
188 /* pre-set load_addr */
189 if ((s
= getenv("loadaddr")) != NULL
) {
190 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 copy_filename(BootFile
, argv
[1], sizeof(BootFile
));
210 case 3: load_addr
= simple_strtoul(argv
[1], NULL
, 16);
211 copy_filename(BootFile
, argv
[2], sizeof(BootFile
));
215 #ifdef CONFIG_CMD_TFTPPUT
217 if (strict_strtoul(argv
[1], 16, &save_addr
) < 0 ||
218 strict_strtoul(argv
[2], 16, &save_size
) < 0) {
219 printf("Invalid address/size\n");
220 return cmd_usage(cmdtp
);
222 copy_filename(BootFile
, argv
[3], sizeof(BootFile
));
226 bootstage_error(BOOTSTAGE_ID_NET_START
);
227 return CMD_RET_USAGE
;
229 bootstage_mark(BOOTSTAGE_ID_NET_START
);
231 if ((size
= NetLoop(proto
)) < 0) {
232 bootstage_error(BOOTSTAGE_ID_NET_NETLOOP_OK
);
235 bootstage_mark(BOOTSTAGE_ID_NET_NETLOOP_OK
);
237 /* NetLoop ok, update environment */
238 netboot_update_env();
240 /* done if no file was loaded (no errors though) */
242 bootstage_error(BOOTSTAGE_ID_NET_LOADED
);
247 flush_cache(load_addr
, size
);
249 bootstage_mark(BOOTSTAGE_ID_NET_LOADED
);
251 rcode
= bootm_maybe_autostart(cmdtp
, argv
[0]);
254 bootstage_error(BOOTSTAGE_ID_NET_DONE_ERR
);
256 bootstage_mark(BOOTSTAGE_ID_NET_DONE
);
260 #if defined(CONFIG_CMD_PING)
261 static int do_ping(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
266 NetPingIP
= string_to_ip(argv
[1]);
268 return CMD_RET_USAGE
;
270 if (NetLoop(PING
) < 0) {
271 printf("ping failed; host %s is not alive\n", argv
[1]);
275 printf("host %s is alive\n", argv
[1]);
282 "send ICMP ECHO_REQUEST to network host",
287 #if defined(CONFIG_CMD_CDP)
289 static void cdp_update_env(void)
293 if (CDPApplianceVLAN
!= htons(-1)) {
294 printf("CDP offered appliance VLAN %d\n", ntohs(CDPApplianceVLAN
));
295 VLAN_to_string(CDPApplianceVLAN
, tmp
);
297 NetOurVLAN
= CDPApplianceVLAN
;
300 if (CDPNativeVLAN
!= htons(-1)) {
301 printf("CDP offered native VLAN %d\n", ntohs(CDPNativeVLAN
));
302 VLAN_to_string(CDPNativeVLAN
, tmp
);
303 setenv("nvlan", tmp
);
304 NetOurNativeVLAN
= CDPNativeVLAN
;
309 int do_cdp(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
315 printf("cdp failed; perhaps not a CISCO switch?\n");
326 "Perform CDP network configuration",
331 #if defined(CONFIG_CMD_SNTP)
332 int do_sntp(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
337 NetNtpServerIP
= getenv_IPaddr("ntpserverip");
338 if (NetNtpServerIP
== 0) {
339 printf("ntpserverip not set\n");
343 NetNtpServerIP
= string_to_ip(argv
[1]);
344 if (NetNtpServerIP
== 0) {
345 printf("Bad NTP server IP address\n");
350 toff
= getenv("timeoffset");
354 NetTimeOffset
= simple_strtol(toff
, NULL
, 10);
356 if (NetLoop(SNTP
) < 0) {
357 printf("SNTP failed: host %pI4 not responding\n",
367 "synchronize RTC via network",
372 #if defined(CONFIG_CMD_DNS)
373 int do_dns(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
376 return CMD_RET_USAGE
;
379 * We should check for a valid hostname:
380 * - Each label must be between 1 and 63 characters long
381 * - the entire hostname has a maximum of 255 characters
382 * - only the ASCII letters 'a' through 'z' (case-insensitive),
383 * the digits '0' through '9', and the hyphen
384 * - cannot begin or end with a hyphen
385 * - no other symbols, punctuation characters, or blank spaces are
387 * but hey - this is a minimalist implmentation, so only check length
388 * and let the name server deal with things.
390 if (strlen(argv
[1]) >= 255) {
391 printf("dns error: hostname too long\n");
395 NetDNSResolve
= argv
[1];
398 NetDNSenvvar
= argv
[2];
402 if (NetLoop(DNS
) < 0) {
403 printf("dns lookup of %s failed, check setup\n", argv
[1]);
412 "lookup the IP of a hostname",
416 #endif /* CONFIG_CMD_DNS */
418 #if defined(CONFIG_CMD_LINK_LOCAL)
419 static int do_link_local(cmd_tbl_t
*cmdtp
, int flag
, int argc
,
424 if (NetLoop(LINKLOCAL
) < 0)
428 ip_to_string(NetOurGatewayIP
, tmp
);
429 setenv("gatewayip", tmp
);
431 ip_to_string(NetOurSubnetMask
, tmp
);
432 setenv("netmask", tmp
);
434 ip_to_string(NetOurIP
, tmp
);
435 setenv("ipaddr", tmp
);
436 setenv("llipaddr", tmp
); /* store this for next time */
442 linklocal
, 1, 1, do_link_local
,
443 "acquire a network IP address using the link-local protocol",
447 #endif /* CONFIG_CMD_LINK_LOCAL */