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[])
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 setenv("gatewayip", tmp);
122 if (net_netmask.s_addr) {
123 ip_to_string(net_netmask, tmp);
124 setenv("netmask", tmp);
127 if (NetOurHostName[0])
128 setenv("hostname", NetOurHostName);
130 if (NetOurRootPath[0])
131 setenv("rootpath", NetOurRootPath);
134 ip_to_string(net_ip, tmp);
135 setenv("ipaddr", tmp);
137 #if !defined(CONFIG_BOOTP_SERVERIP)
139 * Only attempt to change serverip if net/bootp.c:BootpCopyNetParams()
142 if (net_server_ip.s_addr) {
143 ip_to_string(net_server_ip, tmp);
144 setenv("serverip", tmp);
147 if (net_dns_server.s_addr) {
148 ip_to_string(net_dns_server, tmp);
149 setenv("dnsip", tmp);
151 #if defined(CONFIG_BOOTP_DNS2)
152 if (net_dns_server2.s_addr) {
153 ip_to_string(net_dns_server2, tmp);
154 setenv("dnsip2", tmp);
157 if (NetOurNISDomain[0])
158 setenv("domain", NetOurNISDomain);
160 #if defined(CONFIG_CMD_SNTP) \
161 && defined(CONFIG_BOOTP_TIMEOFFSET)
163 sprintf(tmp, "%d", NetTimeOffset);
164 setenv("timeoffset", tmp);
167 #if defined(CONFIG_CMD_SNTP) \
168 && defined(CONFIG_BOOTP_NTPSERVER)
169 if (net_ntp_server.s_addr) {
170 ip_to_string(net_ntp_server, tmp);
171 setenv("ntpserverip", tmp);
176 static int netboot_common(enum proto_t proto, cmd_tbl_t *cmdtp, int argc,
185 /* pre-set load_addr */
186 if ((s = getenv("loadaddr")) != NULL) {
187 load_addr = simple_strtoul(s, NULL, 16);
195 * Only one arg - accept two forms:
196 * Just load address, or just boot file name. The latter
197 * form must be written in a format which can not be
198 * mis-interpreted as a valid number.
200 addr = simple_strtoul(argv[1], &end, 16);
201 if (end == (argv[1] + strlen(argv[1])))
204 copy_filename(BootFile, argv[1], sizeof(BootFile));
207 case 3: load_addr = simple_strtoul(argv[1], NULL, 16);
208 copy_filename(BootFile, argv[2], sizeof(BootFile));
212 #ifdef CONFIG_CMD_TFTPPUT
214 if (strict_strtoul(argv[1], 16, &save_addr) < 0 ||
215 strict_strtoul(argv[2], 16, &save_size) < 0) {
216 printf("Invalid address/size\n");
217 return CMD_RET_USAGE;
219 copy_filename(BootFile, argv[3], sizeof(BootFile));
223 bootstage_error(BOOTSTAGE_ID_NET_START);
224 return CMD_RET_USAGE;
226 bootstage_mark(BOOTSTAGE_ID_NET_START);
228 if ((size = NetLoop(proto)) < 0) {
229 bootstage_error(BOOTSTAGE_ID_NET_NETLOOP_OK);
230 return CMD_RET_FAILURE;
232 bootstage_mark(BOOTSTAGE_ID_NET_NETLOOP_OK);
234 /* NetLoop ok, update environment */
235 netboot_update_env();
237 /* done if no file was loaded (no errors though) */
239 bootstage_error(BOOTSTAGE_ID_NET_LOADED);
240 return CMD_RET_SUCCESS;
244 flush_cache(load_addr, size);
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 (NetLoop(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 (CDPApplianceVLAN != htons(-1)) {
291 printf("CDP offered appliance VLAN %d\n", ntohs(CDPApplianceVLAN));
292 VLAN_to_string(CDPApplianceVLAN, tmp);
294 NetOurVLAN = CDPApplianceVLAN;
297 if (CDPNativeVLAN != htons(-1)) {
298 printf("CDP offered native VLAN %d\n", ntohs(CDPNativeVLAN));
299 VLAN_to_string(CDPNativeVLAN, tmp);
300 setenv("nvlan", tmp);
301 NetOurNativeVLAN = CDPNativeVLAN;
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 = getenv_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 = getenv("timeoffset");
351 NetTimeOffset = simple_strtol(toff, NULL, 10);
353 if (NetLoop(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 NetDNSResolve = argv[1];
395 NetDNSenvvar = argv[2];
399 if (NetLoop(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 (NetLoop(LINKLOCAL) < 0)
422 return CMD_RET_FAILURE;
424 net_gateway.s_addr = 0;
425 ip_to_string(net_gateway, tmp);
426 setenv("gatewayip", tmp);
428 ip_to_string(net_netmask, tmp);
429 setenv("netmask", tmp);
431 ip_to_string(net_ip, tmp);
432 setenv("ipaddr", tmp);
433 setenv("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 */