[thirdparty/u-boot.git] / cmd / net.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * (C) Copyright 2000
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 */

/*
 * Boot support
 */
#include <common.h>
#include <bootstage.h>
#include <command.h>
#include <env.h>
#include <image.h>
#include <net.h>

static int netboot_common(enum proto_t, struct cmd_tbl *, int, char * const []);

#ifdef CONFIG_CMD_BOOTP
static int do_bootp(struct cmd_tbl *cmdtp, int flag, int argc,
		    char *const argv[])
{
	return netboot_common(BOOTP, cmdtp, argc, argv);
}

U_BOOT_CMD(
	bootp,	3,	1,	do_bootp,
	"boot image via network using BOOTP/TFTP protocol",
	"[loadAddress] [[hostIPaddr:]bootfilename]"
);
#endif

#ifdef CONFIG_CMD_TFTPBOOT
int do_tftpb(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
{
	int ret;

	bootstage_mark_name(BOOTSTAGE_KERNELREAD_START, "tftp_start");
	ret = netboot_common(TFTPGET, cmdtp, argc, argv);
	bootstage_mark_name(BOOTSTAGE_KERNELREAD_STOP, "tftp_done");
	return ret;
}

U_BOOT_CMD(
	tftpboot,	3,	1,	do_tftpb,
	"boot image via network using TFTP protocol",
	"[loadAddress] [[hostIPaddr:]bootfilename]"
);
#endif

#ifdef CONFIG_CMD_TFTPPUT
static int do_tftpput(struct cmd_tbl *cmdtp, int flag, int argc,
		      char *const argv[])
{
	return netboot_common(TFTPPUT, cmdtp, argc, argv);
}

U_BOOT_CMD(
	tftpput,	4,	1,	do_tftpput,
	"TFTP put command, for uploading files to a server",
	"Address Size [[hostIPaddr:]filename]"
);
#endif

#ifdef CONFIG_CMD_TFTPSRV
static int do_tftpsrv(struct cmd_tbl *cmdtp, int flag, int argc,
		      char *const argv[])
{
	return netboot_common(TFTPSRV, cmdtp, argc, argv);
}

U_BOOT_CMD(
	tftpsrv,	2,	1,	do_tftpsrv,
	"act as a TFTP server and boot the first received file",
	"[loadAddress]\n"
	"Listen for an incoming TFTP transfer, receive a file and boot it.\n"
	"The transfer is aborted if a transfer has not been started after\n"
	"about 50 seconds or if Ctrl-C is pressed."
);
#endif


#ifdef CONFIG_CMD_RARP
int do_rarpb(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
{
	return netboot_common(RARP, cmdtp, argc, argv);
}

U_BOOT_CMD(
	rarpboot,	3,	1,	do_rarpb,
	"boot image via network using RARP/TFTP protocol",
	"[loadAddress] [[hostIPaddr:]bootfilename]"
);
#endif

#if defined(CONFIG_CMD_DHCP)
static int do_dhcp(struct cmd_tbl *cmdtp, int flag, int argc,
		   char *const argv[])
{
	return netboot_common(DHCP, cmdtp, argc, argv);
}

U_BOOT_CMD(
	dhcp,	3,	1,	do_dhcp,
	"boot image via network using DHCP/TFTP protocol",
	"[loadAddress] [[hostIPaddr:]bootfilename]"
);
#endif

#if defined(CONFIG_CMD_NFS)
static int do_nfs(struct cmd_tbl *cmdtp, int flag, int argc,
		  char *const argv[])
{
	return netboot_common(NFS, cmdtp, argc, argv);
}

U_BOOT_CMD(
	nfs,	3,	1,	do_nfs,
	"boot image via network using NFS protocol",
	"[loadAddress] [[hostIPaddr:]bootfilename]"
);
#endif

static void netboot_update_env(void)
{
	char tmp[22];

	if (net_gateway.s_addr) {
		ip_to_string(net_gateway, tmp);
		env_set("gatewayip", tmp);
	}

	if (net_netmask.s_addr) {
		ip_to_string(net_netmask, tmp);
		env_set("netmask", tmp);
	}

	if (net_hostname[0])
		env_set("hostname", net_hostname);

	if (net_root_path[0])
		env_set("rootpath", net_root_path);

	if (net_ip.s_addr) {
		ip_to_string(net_ip, tmp);
		env_set("ipaddr", tmp);
	}
#if !defined(CONFIG_BOOTP_SERVERIP)
	/*
	 * Only attempt to change serverip if net/bootp.c:store_net_params()
	 * could have set it
	 */
	if (net_server_ip.s_addr) {
		ip_to_string(net_server_ip, tmp);
		env_set("serverip", tmp);
	}
#endif
	if (net_dns_server.s_addr) {
		ip_to_string(net_dns_server, tmp);
		env_set("dnsip", tmp);
	}
#if defined(CONFIG_BOOTP_DNS2)
	if (net_dns_server2.s_addr) {
		ip_to_string(net_dns_server2, tmp);
		env_set("dnsip2", tmp);
	}
#endif
	if (net_nis_domain[0])
		env_set("domain", net_nis_domain);

#if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_TIMEOFFSET)
	if (net_ntp_time_offset) {
		sprintf(tmp, "%d", net_ntp_time_offset);
		env_set("timeoffset", tmp);
	}
#endif
#if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_NTPSERVER)
	if (net_ntp_server.s_addr) {
		ip_to_string(net_ntp_server, tmp);
		env_set("ntpserverip", tmp);
	}
#endif
}

static int netboot_common(enum proto_t proto, struct cmd_tbl *cmdtp, int argc,
			  char *const argv[])
{
	char *s;
	char *end;
	int   rcode = 0;
	int   size;
	ulong addr;

	net_boot_file_name_explicit = false;

	/* pre-set image_load_addr */
	s = env_get("loadaddr");
	if (s != NULL)
		image_load_addr = simple_strtoul(s, NULL, 16);

	switch (argc) {
	case 1:
		/* refresh bootfile name from env */
		copy_filename(net_boot_file_name, env_get("bootfile"),
			      sizeof(net_boot_file_name));
		break;

	case 2:	/*
		 * Only one arg - accept two forms:
		 * Just load address, or just boot file name. The latter
		 * form must be written in a format which can not be
		 * mis-interpreted as a valid number.
		 */
		addr = simple_strtoul(argv[1], &end, 16);
		if (end == (argv[1] + strlen(argv[1]))) {
			image_load_addr = addr;
			/* refresh bootfile name from env */
			copy_filename(net_boot_file_name, env_get("bootfile"),
				      sizeof(net_boot_file_name));
		} else {
			net_boot_file_name_explicit = true;
			copy_filename(net_boot_file_name, argv[1],
				      sizeof(net_boot_file_name));
		}
		break;

	case 3:
		image_load_addr = simple_strtoul(argv[1], NULL, 16);
		net_boot_file_name_explicit = true;
		copy_filename(net_boot_file_name, argv[2],
			      sizeof(net_boot_file_name));

		break;

#ifdef CONFIG_CMD_TFTPPUT
	case 4:
		if (strict_strtoul(argv[1], 16, &image_save_addr) < 0 ||
		    strict_strtoul(argv[2], 16, &image_save_size) < 0) {
			printf("Invalid address/size\n");
			return CMD_RET_USAGE;
		}
		net_boot_file_name_explicit = true;
		copy_filename(net_boot_file_name, argv[3],
			      sizeof(net_boot_file_name));
		break;
#endif
	default:
		bootstage_error(BOOTSTAGE_ID_NET_START);
		return CMD_RET_USAGE;
	}
	bootstage_mark(BOOTSTAGE_ID_NET_START);

	size = net_loop(proto);
	if (size < 0) {
		bootstage_error(BOOTSTAGE_ID_NET_NETLOOP_OK);
		return CMD_RET_FAILURE;
	}
	bootstage_mark(BOOTSTAGE_ID_NET_NETLOOP_OK);

	/* net_loop ok, update environment */
	netboot_update_env();

	/* done if no file was loaded (no errors though) */
	if (size == 0) {
		bootstage_error(BOOTSTAGE_ID_NET_LOADED);
		return CMD_RET_SUCCESS;
	}

	bootstage_mark(BOOTSTAGE_ID_NET_LOADED);

	rcode = bootm_maybe_autostart(cmdtp, argv[0]);

	if (rcode == CMD_RET_SUCCESS)
		bootstage_mark(BOOTSTAGE_ID_NET_DONE);
	else
		bootstage_error(BOOTSTAGE_ID_NET_DONE_ERR);
	return rcode;
}

#if defined(CONFIG_CMD_PING)
static int do_ping(struct cmd_tbl *cmdtp, int flag, int argc,
		   char *const argv[])
{
	if (argc < 2)
		return CMD_RET_USAGE;

	net_ping_ip = string_to_ip(argv[1]);
	if (net_ping_ip.s_addr == 0)
		return CMD_RET_USAGE;

	if (net_loop(PING) < 0) {
		printf("ping failed; host %s is not alive\n", argv[1]);
		return CMD_RET_FAILURE;
	}

	printf("host %s is alive\n", argv[1]);

	return CMD_RET_SUCCESS;
}

U_BOOT_CMD(
	ping,	2,	1,	do_ping,
	"send ICMP ECHO_REQUEST to network host",
	"pingAddress"
);
#endif

#if defined(CONFIG_CMD_CDP)

static void cdp_update_env(void)
{
	char tmp[16];

	if (cdp_appliance_vlan != htons(-1)) {
		printf("CDP offered appliance VLAN %d\n",
		       ntohs(cdp_appliance_vlan));
		vlan_to_string(cdp_appliance_vlan, tmp);
		env_set("vlan", tmp);
		net_our_vlan = cdp_appliance_vlan;
	}

	if (cdp_native_vlan != htons(-1)) {
		printf("CDP offered native VLAN %d\n", ntohs(cdp_native_vlan));
		vlan_to_string(cdp_native_vlan, tmp);
		env_set("nvlan", tmp);
		net_native_vlan = cdp_native_vlan;
	}
}

int do_cdp(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
{
	int r;

	r = net_loop(CDP);
	if (r < 0) {
		printf("cdp failed; perhaps not a CISCO switch?\n");
		return CMD_RET_FAILURE;
	}

	cdp_update_env();

	return CMD_RET_SUCCESS;
}

U_BOOT_CMD(
	cdp,	1,	1,	do_cdp,
	"Perform CDP network configuration",
	"\n"
);
#endif

#if defined(CONFIG_CMD_SNTP)
int do_sntp(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
{
	char *toff;

	if (argc < 2) {
		net_ntp_server = env_get_ip("ntpserverip");
		if (net_ntp_server.s_addr == 0) {
			printf("ntpserverip not set\n");
			return CMD_RET_FAILURE;
		}
	} else {
		net_ntp_server = string_to_ip(argv[1]);
		if (net_ntp_server.s_addr == 0) {
			printf("Bad NTP server IP address\n");
			return CMD_RET_FAILURE;
		}
	}

	toff = env_get("timeoffset");
	if (toff == NULL)
		net_ntp_time_offset = 0;
	else
		net_ntp_time_offset = simple_strtol(toff, NULL, 10);

	if (net_loop(SNTP) < 0) {
		printf("SNTP failed: host %pI4 not responding\n",
		       &net_ntp_server);
		return CMD_RET_FAILURE;
	}

	return CMD_RET_SUCCESS;
}

U_BOOT_CMD(
	sntp,	2,	1,	do_sntp,
	"synchronize RTC via network",
	"[NTP server IP]\n"
);
#endif

#if defined(CONFIG_CMD_DNS)
int do_dns(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
{
	if (argc == 1)
		return CMD_RET_USAGE;

	/*
	 * We should check for a valid hostname:
	 * - Each label must be between 1 and 63 characters long
	 * - the entire hostname has a maximum of 255 characters
	 * - only the ASCII letters 'a' through 'z' (case-insensitive),
	 *   the digits '0' through '9', and the hyphen
	 * - cannot begin or end with a hyphen
	 * - no other symbols, punctuation characters, or blank spaces are
	 *   permitted
	 * but hey - this is a minimalist implmentation, so only check length
	 * and let the name server deal with things.
	 */
	if (strlen(argv[1]) >= 255) {
		printf("dns error: hostname too long\n");
		return CMD_RET_FAILURE;
	}

	net_dns_resolve = argv[1];

	if (argc == 3)
		net_dns_env_var = argv[2];
	else
		net_dns_env_var = NULL;

	if (net_loop(DNS) < 0) {
		printf("dns lookup of %s failed, check setup\n", argv[1]);
		return CMD_RET_FAILURE;
	}

	return CMD_RET_SUCCESS;
}

U_BOOT_CMD(
	dns,	3,	1,	do_dns,
	"lookup the IP of a hostname",
	"hostname [envvar]"
);

#endif	/* CONFIG_CMD_DNS */

#if defined(CONFIG_CMD_LINK_LOCAL)
static int do_link_local(struct cmd_tbl *cmdtp, int flag, int argc,
			 char *const argv[])
{
	char tmp[22];

	if (net_loop(LINKLOCAL) < 0)
		return CMD_RET_FAILURE;

	net_gateway.s_addr = 0;
	ip_to_string(net_gateway, tmp);
	env_set("gatewayip", tmp);

	ip_to_string(net_netmask, tmp);
	env_set("netmask", tmp);

	ip_to_string(net_ip, tmp);
	env_set("ipaddr", tmp);
	env_set("llipaddr", tmp); /* store this for next time */

	return CMD_RET_SUCCESS;
}

U_BOOT_CMD(
	linklocal,	1,	1,	do_link_local,
	"acquire a network IP address using the link-local protocol",
	""
);

#endif  /* CONFIG_CMD_LINK_LOCAL */
Commit	Line	Data
83d290c5	1	// SPDX-License-Identifier: GPL-2.0+
3863585b WD	2	/*
	3	* (C) Copyright 2000
	4	* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
3863585b WD	5	*/
	6
	7	/*
	8	* Boot support
	9	*/
	10	#include <common.h>
52f24238	11	#include <bootstage.h>
3863585b	12	#include <command.h>
9fb625ce	13	#include <env.h>
8e8ccfe1	14	#include <image.h>
3863585b WD	15	#include <net.h>
3863585b WD	16
09140113	17	static int netboot_common(enum proto_t, struct cmd_tbl , int, char const []);
3863585b	18
d7a45eaf	19	#ifdef CONFIG_CMD_BOOTP
09140113 SG	20	static int do_bootp(struct cmd_tbl *cmdtp, int flag, int argc,
09140113 SG	21	char *const argv[])
3863585b	22	{
088f1b19	23	return netboot_common(BOOTP, cmdtp, argc, argv);
3863585b WD	24	}
3863585b WD	25
0d498393 WD	26	U_BOOT_CMD(
0d498393 WD	27	bootp, 3, 1, do_bootp,
2fb2604d	28	"boot image via network using BOOTP/TFTP protocol",
a89c33db	29	"[loadAddress] [[hostIPaddr:]bootfilename]"
8bde7f77	30	);
d7a45eaf	31	#endif
8bde7f77	32
d7a45eaf	33	#ifdef CONFIG_CMD_TFTPBOOT
09140113	34	int do_tftpb(struct cmd_tbl cmdtp, int flag, int argc, char const argv[])
3863585b	35	{
573f14fe SG	36	int ret;
	37
	38	bootstage_mark_name(BOOTSTAGE_KERNELREAD_START, "tftp_start");
	39	ret = netboot_common(TFTPGET, cmdtp, argc, argv);
	40	bootstage_mark_name(BOOTSTAGE_KERNELREAD_STOP, "tftp_done");
	41	return ret;
3863585b WD	42	}
3863585b WD	43
0d498393 WD	44	U_BOOT_CMD(
0d498393 WD	45	tftpboot, 3, 1, do_tftpb,
2fb2604d	46	"boot image via network using TFTP protocol",
a89c33db	47	"[loadAddress] [[hostIPaddr:]bootfilename]"
8bde7f77	48	);
d7a45eaf	49	#endif
8bde7f77	50
2d46cf29	51	#ifdef CONFIG_CMD_TFTPPUT
09140113 SG	52	static int do_tftpput(struct cmd_tbl *cmdtp, int flag, int argc,
09140113 SG	53	char *const argv[])
2d46cf29	54	{
85848f03	55	return netboot_common(TFTPPUT, cmdtp, argc, argv);
2d46cf29 SG	56	}
	57
	58	U_BOOT_CMD(
	59	tftpput, 4, 1, do_tftpput,
	60	"TFTP put command, for uploading files to a server",
	61	"Address Size [[hostIPaddr:]filename]"
	62	);
	63	#endif
	64
7a83af07	65	#ifdef CONFIG_CMD_TFTPSRV
09140113 SG	66	static int do_tftpsrv(struct cmd_tbl *cmdtp, int flag, int argc,
09140113 SG	67	char *const argv[])
7a83af07 LC	68	{
	69	return netboot_common(TFTPSRV, cmdtp, argc, argv);
	70	}
	71
	72	U_BOOT_CMD(
	73	tftpsrv, 2, 1, do_tftpsrv,
	74	"act as a TFTP server and boot the first received file",
	75	"[loadAddress]\n"
	76	"Listen for an incoming TFTP transfer, receive a file and boot it.\n"
	77	"The transfer is aborted if a transfer has not been started after\n"
	78	"about 50 seconds or if Ctrl-C is pressed."
	79	);
	80	#endif
	81
	82
bf6cb247	83	#ifdef CONFIG_CMD_RARP
09140113	84	int do_rarpb(struct cmd_tbl cmdtp, int flag, int argc, char const argv[])
3863585b	85	{
088f1b19	86	return netboot_common(RARP, cmdtp, argc, argv);
3863585b WD	87	}
3863585b WD	88
0d498393 WD	89	U_BOOT_CMD(
0d498393 WD	90	rarpboot, 3, 1, do_rarpb,
2fb2604d	91	"boot image via network using RARP/TFTP protocol",
a89c33db	92	"[loadAddress] [[hostIPaddr:]bootfilename]"
8bde7f77	93	);
bf6cb247	94	#endif
8bde7f77	95
c76fe474	96	#if defined(CONFIG_CMD_DHCP)
09140113 SG	97	static int do_dhcp(struct cmd_tbl *cmdtp, int flag, int argc,
09140113 SG	98	char *const argv[])
3863585b WD	99	{
	100	return netboot_common(DHCP, cmdtp, argc, argv);
	101	}
8bde7f77	102
0d498393 WD	103	U_BOOT_CMD(
0d498393 WD	104	dhcp, 3, 1, do_dhcp,
2fb2604d	105	"boot image via network using DHCP/TFTP protocol",
a89c33db	106	"[loadAddress] [[hostIPaddr:]bootfilename]"
8bde7f77	107	);
90253178	108	#endif
3863585b	109
c76fe474	110	#if defined(CONFIG_CMD_NFS)
09140113 SG	111	static int do_nfs(struct cmd_tbl *cmdtp, int flag, int argc,
09140113 SG	112	char *const argv[])
cbd8a35c WD	113	{
	114	return netboot_common(NFS, cmdtp, argc, argv);
	115	}
	116
	117	U_BOOT_CMD(
	118	nfs, 3, 1, do_nfs,
2fb2604d	119	"boot image via network using NFS protocol",
a89c33db	120	"[loadAddress] [[hostIPaddr:]bootfilename]"
cbd8a35c	121	);
90253178	122	#endif
cbd8a35c	123
088f1b19	124	static void netboot_update_env(void)
3863585b	125	{
6e592385	126	char tmp[22];
3863585b	127
049a95a7 JH	128	if (net_gateway.s_addr) {
049a95a7 JH	129	ip_to_string(net_gateway, tmp);
382bee57	130	env_set("gatewayip", tmp);
6e592385	131	}
3863585b	132
049a95a7 JH	133	if (net_netmask.s_addr) {
049a95a7 JH	134	ip_to_string(net_netmask, tmp);
382bee57	135	env_set("netmask", tmp);
6e592385	136	}
3863585b	137
586cbe51	138	if (net_hostname[0])
382bee57	139	env_set("hostname", net_hostname);
3863585b	140
586cbe51	141	if (net_root_path[0])
382bee57	142	env_set("rootpath", net_root_path);
3863585b	143
049a95a7 JH	144	if (net_ip.s_addr) {
049a95a7 JH	145	ip_to_string(net_ip, tmp);
382bee57	146	env_set("ipaddr", tmp);
6e592385	147	}
a3e1a727 JH	148	#if !defined(CONFIG_BOOTP_SERVERIP)
a3e1a727 JH	149	/*
ff78ad28	150	* Only attempt to change serverip if net/bootp.c:store_net_params()
a3e1a727 JH	151	* could have set it
a3e1a727 JH	152	*/
049a95a7 JH	153	if (net_server_ip.s_addr) {
049a95a7 JH	154	ip_to_string(net_server_ip, tmp);
382bee57	155	env_set("serverip", tmp);
6e592385	156	}
a3e1a727	157	#endif
049a95a7 JH	158	if (net_dns_server.s_addr) {
049a95a7 JH	159	ip_to_string(net_dns_server, tmp);
382bee57	160	env_set("dnsip", tmp);
6e592385	161	}
1fe80d79	162	#if defined(CONFIG_BOOTP_DNS2)
049a95a7 JH	163	if (net_dns_server2.s_addr) {
049a95a7 JH	164	ip_to_string(net_dns_server2, tmp);
382bee57	165	env_set("dnsip2", tmp);
6e592385	166	}
fe389a82	167	#endif
586cbe51	168	if (net_nis_domain[0])
382bee57	169	env_set("domain", net_nis_domain);
ea287deb	170
4fd5055f	171	#if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_TIMEOFFSET)
bc0571fc JH	172	if (net_ntp_time_offset) {
bc0571fc JH	173	sprintf(tmp, "%d", net_ntp_time_offset);
382bee57	174	env_set("timeoffset", tmp);
ea287deb WD	175	}
ea287deb WD	176	#endif
4fd5055f	177	#if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_NTPSERVER)
049a95a7 JH	178	if (net_ntp_server.s_addr) {
049a95a7 JH	179	ip_to_string(net_ntp_server, tmp);
382bee57	180	env_set("ntpserverip", tmp);
ea287deb WD	181	}
ea287deb WD	182	#endif
3863585b	183	}
6e592385	184
09140113 SG	185	static int netboot_common(enum proto_t proto, struct cmd_tbl *cmdtp, int argc,
09140113 SG	186	char *const argv[])
3863585b WD	187	{
3863585b WD	188	char *s;
2e4970d8	189	char *end;
3863585b WD	190	int rcode = 0;
3863585b WD	191	int size;
2e4970d8	192	ulong addr;
3863585b	193
449312c1 AG	194	net_boot_file_name_explicit = false;
449312c1 AG	195
bb872dd9	196	/* pre-set image_load_addr */
00caae6d	197	s = env_get("loadaddr");
4fd5055f	198	if (s != NULL)
bb872dd9	199	image_load_addr = simple_strtoul(s, NULL, 16);
3863585b WD	200
	201	switch (argc) {
	202	case 1:
f43308fa JH	203	/* refresh bootfile name from env */
	204	copy_filename(net_boot_file_name, env_get("bootfile"),
	205	sizeof(net_boot_file_name));
3863585b WD	206	break;
3863585b WD	207
2e4970d8 PT	208	case 2: /*
	209	* Only one arg - accept two forms:
	210	* Just load address, or just boot file name. The latter
	211	* form must be written in a format which can not be
	212	* mis-interpreted as a valid number.
3863585b	213	*/
2e4970d8	214	addr = simple_strtoul(argv[1], &end, 16);
449312c1	215	if (end == (argv[1] + strlen(argv[1]))) {
bb872dd9	216	image_load_addr = addr;
f43308fa JH	217	/* refresh bootfile name from env */
	218	copy_filename(net_boot_file_name, env_get("bootfile"),
	219	sizeof(net_boot_file_name));
449312c1 AG	220	} else {
449312c1 AG	221	net_boot_file_name_explicit = true;
1411157d JH	222	copy_filename(net_boot_file_name, argv[1],
1411157d JH	223	sizeof(net_boot_file_name));
449312c1	224	}
3863585b WD	225	break;
3863585b WD	226
4fd5055f	227	case 3:
bb872dd9	228	image_load_addr = simple_strtoul(argv[1], NULL, 16);
449312c1	229	net_boot_file_name_explicit = true;
1411157d JH	230	copy_filename(net_boot_file_name, argv[2],
1411157d JH	231	sizeof(net_boot_file_name));
3863585b WD	232
	233	break;
	234
2d46cf29 SG	235	#ifdef CONFIG_CMD_TFTPPUT
2d46cf29 SG	236	case 4:
bb872dd9 SG	237	if (strict_strtoul(argv[1], 16, &image_save_addr) < 0 \|\|
bb872dd9 SG	238	strict_strtoul(argv[2], 16, &image_save_size) < 0) {
38bd80b4	239	printf("Invalid address/size\n");
85848f03	240	return CMD_RET_USAGE;
38bd80b4	241	}
449312c1	242	net_boot_file_name_explicit = true;
1411157d JH	243	copy_filename(net_boot_file_name, argv[3],
1411157d JH	244	sizeof(net_boot_file_name));
2d46cf29 SG	245	break;
2d46cf29 SG	246	#endif
47e26b1b	247	default:
770605e4	248	bootstage_error(BOOTSTAGE_ID_NET_START);
4c12eeb8	249	return CMD_RET_USAGE;
3863585b	250	}
770605e4	251	bootstage_mark(BOOTSTAGE_ID_NET_START);
3863585b	252
bc0571fc	253	size = net_loop(proto);
4fd5055f	254	if (size < 0) {
770605e4	255	bootstage_error(BOOTSTAGE_ID_NET_NETLOOP_OK);
85848f03	256	return CMD_RET_FAILURE;
566a494f	257	}
770605e4	258	bootstage_mark(BOOTSTAGE_ID_NET_NETLOOP_OK);
3863585b	259
bc0571fc	260	/* net_loop ok, update environment */
3863585b WD	261	netboot_update_env();
3863585b WD	262
eb9401e3	263	/* done if no file was loaded (no errors though) */
566a494f	264	if (size == 0) {
770605e4	265	bootstage_error(BOOTSTAGE_ID_NET_LOADED);
85848f03	266	return CMD_RET_SUCCESS;
566a494f	267	}
eb9401e3	268
770605e4	269	bootstage_mark(BOOTSTAGE_ID_NET_LOADED);
c8e66db7	270
67d668bf	271	rcode = bootm_maybe_autostart(cmdtp, argv[0]);
3863585b	272
85848f03	273	if (rcode == CMD_RET_SUCCESS)
770605e4	274	bootstage_mark(BOOTSTAGE_ID_NET_DONE);
85848f03 JH	275	else
85848f03 JH	276	bootstage_error(BOOTSTAGE_ID_NET_DONE_ERR);
3863585b WD	277	return rcode;
	278	}
	279
c76fe474	280	#if defined(CONFIG_CMD_PING)
09140113 SG	281	static int do_ping(struct cmd_tbl *cmdtp, int flag, int argc,
09140113 SG	282	char *const argv[])
73a8b27c WD	283	{
73a8b27c WD	284	if (argc < 2)
85848f03	285	return CMD_RET_USAGE;
73a8b27c	286
049a95a7 JH	287	net_ping_ip = string_to_ip(argv[1]);
049a95a7 JH	288	if (net_ping_ip.s_addr == 0)
4c12eeb8	289	return CMD_RET_USAGE;
73a8b27c	290
bc0571fc	291	if (net_loop(PING) < 0) {
73a8b27c	292	printf("ping failed; host %s is not alive\n", argv[1]);
85848f03	293	return CMD_RET_FAILURE;
73a8b27c WD	294	}
	295
	296	printf("host %s is alive\n", argv[1]);
	297
85848f03	298	return CMD_RET_SUCCESS;
73a8b27c	299	}
6dff5529 WD	300
	301	U_BOOT_CMD(
	302	ping, 2, 1, do_ping,
2fb2604d	303	"send ICMP ECHO_REQUEST to network host",
a89c33db	304	"pingAddress"
6dff5529	305	);
90253178	306	#endif
73a8b27c	307
c76fe474	308	#if defined(CONFIG_CMD_CDP)
a3d991bd WD	309
	310	static void cdp_update_env(void)
	311	{
	312	char tmp[16];
	313
6aede5b7 JH	314	if (cdp_appliance_vlan != htons(-1)) {
	315	printf("CDP offered appliance VLAN %d\n",
	316	ntohs(cdp_appliance_vlan));
4fd5055f	317	vlan_to_string(cdp_appliance_vlan, tmp);
382bee57	318	env_set("vlan", tmp);
4fd5055f	319	net_our_vlan = cdp_appliance_vlan;
a3d991bd WD	320	}
a3d991bd WD	321
6aede5b7 JH	322	if (cdp_native_vlan != htons(-1)) {
6aede5b7 JH	323	printf("CDP offered native VLAN %d\n", ntohs(cdp_native_vlan));
4fd5055f	324	vlan_to_string(cdp_native_vlan, tmp);
382bee57	325	env_set("nvlan", tmp);
4fd5055f	326	net_native_vlan = cdp_native_vlan;
a3d991bd	327	}
a3d991bd WD	328	}
a3d991bd WD	329
09140113	330	int do_cdp(struct cmd_tbl cmdtp, int flag, int argc, char const argv[])
a3d991bd WD	331	{
	332	int r;
	333
bc0571fc	334	r = net_loop(CDP);
a3d991bd WD	335	if (r < 0) {
a3d991bd WD	336	printf("cdp failed; perhaps not a CISCO switch?\n");
85848f03	337	return CMD_RET_FAILURE;
a3d991bd WD	338	}
	339
	340	cdp_update_env();
	341
85848f03	342	return CMD_RET_SUCCESS;
a3d991bd WD	343	}
	344
	345	U_BOOT_CMD(
	346	cdp, 1, 1, do_cdp,
ec5c04cd	347	"Perform CDP network configuration",
4b58266e	348	"\n"
a3d991bd	349	);
90253178	350	#endif
a3d991bd	351
c76fe474	352	#if defined(CONFIG_CMD_SNTP)
09140113	353	int do_sntp(struct cmd_tbl cmdtp, int flag, int argc, char const argv[])
ea287deb WD	354	{
	355	char *toff;
	356
	357	if (argc < 2) {
723806cc	358	net_ntp_server = env_get_ip("ntpserverip");
049a95a7	359	if (net_ntp_server.s_addr == 0) {
088f1b19	360	printf("ntpserverip not set\n");
85848f03	361	return CMD_RET_FAILURE;
ea287deb WD	362	}
ea287deb WD	363	} else {
049a95a7 JH	364	net_ntp_server = string_to_ip(argv[1]);
049a95a7 JH	365	if (net_ntp_server.s_addr == 0) {
088f1b19	366	printf("Bad NTP server IP address\n");
85848f03	367	return CMD_RET_FAILURE;
ea287deb WD	368	}
	369	}
	370
00caae6d	371	toff = env_get("timeoffset");
088f1b19	372	if (toff == NULL)
bc0571fc	373	net_ntp_time_offset = 0;
088f1b19	374	else
bc0571fc	375	net_ntp_time_offset = simple_strtol(toff, NULL, 10);
ea287deb	376
bc0571fc	377	if (net_loop(SNTP) < 0) {
d6840e3d	378	printf("SNTP failed: host %pI4 not responding\n",
4fd5055f	379	&net_ntp_server);
85848f03	380	return CMD_RET_FAILURE;
ea287deb WD	381	}
ea287deb WD	382
85848f03	383	return CMD_RET_SUCCESS;
ea287deb WD	384	}
	385
	386	U_BOOT_CMD(
	387	sntp, 2, 1, do_sntp,
2fb2604d	388	"synchronize RTC via network",
ea287deb WD	389	"[NTP server IP]\n"
ea287deb WD	390	);
90253178	391	#endif
1a32bf41 RG	392
1a32bf41 RG	393	#if defined(CONFIG_CMD_DNS)
09140113	394	int do_dns(struct cmd_tbl cmdtp, int flag, int argc, char const argv[])
1a32bf41	395	{
47e26b1b	396	if (argc == 1)
4c12eeb8	397	return CMD_RET_USAGE;
1a32bf41 RG	398
	399	/*
	400	* We should check for a valid hostname:
	401	* - Each label must be between 1 and 63 characters long
	402	* - the entire hostname has a maximum of 255 characters
	403	* - only the ASCII letters 'a' through 'z' (case-insensitive),
	404	* the digits '0' through '9', and the hyphen
	405	* - cannot begin or end with a hyphen
	406	* - no other symbols, punctuation characters, or blank spaces are
	407	* permitted
	408	* but hey - this is a minimalist implmentation, so only check length
	409	* and let the name server deal with things.
	410	*/
	411	if (strlen(argv[1]) >= 255) {
	412	printf("dns error: hostname too long\n");
85848f03	413	return CMD_RET_FAILURE;
1a32bf41 RG	414	}
1a32bf41 RG	415
786eac5f	416	net_dns_resolve = argv[1];
1a32bf41 RG	417
1a32bf41 RG	418	if (argc == 3)
786eac5f	419	net_dns_env_var = argv[2];
1a32bf41	420	else
786eac5f	421	net_dns_env_var = NULL;
1a32bf41	422
bc0571fc	423	if (net_loop(DNS) < 0) {
1a32bf41	424	printf("dns lookup of %s failed, check setup\n", argv[1]);
85848f03	425	return CMD_RET_FAILURE;
1a32bf41 RG	426	}
1a32bf41 RG	427
85848f03	428	return CMD_RET_SUCCESS;
1a32bf41 RG	429	}
	430
	431	U_BOOT_CMD(
	432	dns, 3, 1, do_dns,
	433	"lookup the IP of a hostname",
	434	"hostname [envvar]"
	435	);
	436
	437	#endif /* CONFIG_CMD_DNS */
d22c338e JH	438
d22c338e JH	439	#if defined(CONFIG_CMD_LINK_LOCAL)
09140113 SG	440	static int do_link_local(struct cmd_tbl *cmdtp, int flag, int argc,
09140113 SG	441	char *const argv[])
d22c338e JH	442	{
	443	char tmp[22];
	444
bc0571fc	445	if (net_loop(LINKLOCAL) < 0)
85848f03	446	return CMD_RET_FAILURE;
d22c338e	447
049a95a7 JH	448	net_gateway.s_addr = 0;
049a95a7 JH	449	ip_to_string(net_gateway, tmp);
382bee57	450	env_set("gatewayip", tmp);
d22c338e	451
049a95a7	452	ip_to_string(net_netmask, tmp);
382bee57	453	env_set("netmask", tmp);
d22c338e	454
049a95a7	455	ip_to_string(net_ip, tmp);
382bee57 SG	456	env_set("ipaddr", tmp);
382bee57 SG	457	env_set("llipaddr", tmp); /* store this for next time */
d22c338e	458
85848f03	459	return CMD_RET_SUCCESS;
d22c338e JH	460	}
	461
	462	U_BOOT_CMD(
	463	linklocal, 1, 1, do_link_local,
	464	"acquire a network IP address using the link-local protocol",
	465	""
	466	);
	467
	468	#endif /* CONFIG_CMD_LINK_LOCAL */