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

// SPDX-License-Identifier: GPL-2.0+
/*
 * (C) Copyright 2000
 * Wolfgang Denk, DENX Software Engineering, [email protected].
 */

/*
 * 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);
	}

#ifdef CONFIG_CMD_BOOTP
	if (net_hostname[0])
		env_set("hostname", net_hostname);
#endif

#ifdef CONFIG_CMD_BOOTP
	if (net_root_path[0])
		env_set("rootpath", net_root_path);
#endif

	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
#ifdef CONFIG_CMD_BOOTP
	if (net_nis_domain[0])
		env_set("domain", net_nis_domain);
#endif

#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, [email protected].
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
808f13d8	138	#ifdef CONFIG_CMD_BOOTP
586cbe51	139	if (net_hostname[0])
382bee57	140	env_set("hostname", net_hostname);
808f13d8	141	#endif
3863585b	142
808f13d8	143	#ifdef CONFIG_CMD_BOOTP
586cbe51	144	if (net_root_path[0])
382bee57	145	env_set("rootpath", net_root_path);
808f13d8	146	#endif
3863585b	147
049a95a7 JH	148	if (net_ip.s_addr) {
049a95a7 JH	149	ip_to_string(net_ip, tmp);
382bee57	150	env_set("ipaddr", tmp);
6e592385	151	}
a3e1a727 JH	152	#if !defined(CONFIG_BOOTP_SERVERIP)
a3e1a727 JH	153	/*
ff78ad28	154	* Only attempt to change serverip if net/bootp.c:store_net_params()
a3e1a727 JH	155	* could have set it
a3e1a727 JH	156	*/
049a95a7 JH	157	if (net_server_ip.s_addr) {
049a95a7 JH	158	ip_to_string(net_server_ip, tmp);
382bee57	159	env_set("serverip", tmp);
6e592385	160	}
a3e1a727	161	#endif
049a95a7 JH	162	if (net_dns_server.s_addr) {
049a95a7 JH	163	ip_to_string(net_dns_server, tmp);
382bee57	164	env_set("dnsip", tmp);
6e592385	165	}
1fe80d79	166	#if defined(CONFIG_BOOTP_DNS2)
049a95a7 JH	167	if (net_dns_server2.s_addr) {
049a95a7 JH	168	ip_to_string(net_dns_server2, tmp);
382bee57	169	env_set("dnsip2", tmp);
6e592385	170	}
fe389a82	171	#endif
808f13d8	172	#ifdef CONFIG_CMD_BOOTP
586cbe51	173	if (net_nis_domain[0])
382bee57	174	env_set("domain", net_nis_domain);
808f13d8	175	#endif
ea287deb	176
4fd5055f	177	#if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_TIMEOFFSET)
bc0571fc JH	178	if (net_ntp_time_offset) {
bc0571fc JH	179	sprintf(tmp, "%d", net_ntp_time_offset);
382bee57	180	env_set("timeoffset", tmp);
ea287deb WD	181	}
ea287deb WD	182	#endif
4fd5055f	183	#if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_NTPSERVER)
049a95a7 JH	184	if (net_ntp_server.s_addr) {
049a95a7 JH	185	ip_to_string(net_ntp_server, tmp);
382bee57	186	env_set("ntpserverip", tmp);
ea287deb WD	187	}
ea287deb WD	188	#endif
3863585b	189	}
6e592385	190
09140113 SG	191	static int netboot_common(enum proto_t proto, struct cmd_tbl *cmdtp, int argc,
09140113 SG	192	char *const argv[])
3863585b WD	193	{
3863585b WD	194	char *s;
2e4970d8	195	char *end;
3863585b WD	196	int rcode = 0;
3863585b WD	197	int size;
2e4970d8	198	ulong addr;
3863585b	199
449312c1 AG	200	net_boot_file_name_explicit = false;
449312c1 AG	201
bb872dd9	202	/* pre-set image_load_addr */
00caae6d	203	s = env_get("loadaddr");
4fd5055f	204	if (s != NULL)
bb872dd9	205	image_load_addr = simple_strtoul(s, NULL, 16);
3863585b WD	206
	207	switch (argc) {
	208	case 1:
f43308fa JH	209	/* refresh bootfile name from env */
	210	copy_filename(net_boot_file_name, env_get("bootfile"),
	211	sizeof(net_boot_file_name));
3863585b WD	212	break;
3863585b WD	213
2e4970d8 PT	214	case 2: /*
	215	* Only one arg - accept two forms:
	216	* Just load address, or just boot file name. The latter
	217	* form must be written in a format which can not be
	218	* mis-interpreted as a valid number.
3863585b	219	*/
2e4970d8	220	addr = simple_strtoul(argv[1], &end, 16);
449312c1	221	if (end == (argv[1] + strlen(argv[1]))) {
bb872dd9	222	image_load_addr = addr;
f43308fa JH	223	/* refresh bootfile name from env */
	224	copy_filename(net_boot_file_name, env_get("bootfile"),
	225	sizeof(net_boot_file_name));
449312c1 AG	226	} else {
449312c1 AG	227	net_boot_file_name_explicit = true;
1411157d JH	228	copy_filename(net_boot_file_name, argv[1],
1411157d JH	229	sizeof(net_boot_file_name));
449312c1	230	}
3863585b WD	231	break;
3863585b WD	232
4fd5055f	233	case 3:
bb872dd9	234	image_load_addr = simple_strtoul(argv[1], NULL, 16);
449312c1	235	net_boot_file_name_explicit = true;
1411157d JH	236	copy_filename(net_boot_file_name, argv[2],
1411157d JH	237	sizeof(net_boot_file_name));
3863585b WD	238
	239	break;
	240
2d46cf29 SG	241	#ifdef CONFIG_CMD_TFTPPUT
2d46cf29 SG	242	case 4:
bb872dd9 SG	243	if (strict_strtoul(argv[1], 16, &image_save_addr) < 0 \|\|
bb872dd9 SG	244	strict_strtoul(argv[2], 16, &image_save_size) < 0) {
38bd80b4	245	printf("Invalid address/size\n");
85848f03	246	return CMD_RET_USAGE;
38bd80b4	247	}
449312c1	248	net_boot_file_name_explicit = true;
1411157d JH	249	copy_filename(net_boot_file_name, argv[3],
1411157d JH	250	sizeof(net_boot_file_name));
2d46cf29 SG	251	break;
2d46cf29 SG	252	#endif
47e26b1b	253	default:
770605e4	254	bootstage_error(BOOTSTAGE_ID_NET_START);
4c12eeb8	255	return CMD_RET_USAGE;
3863585b	256	}
770605e4	257	bootstage_mark(BOOTSTAGE_ID_NET_START);
3863585b	258
bc0571fc	259	size = net_loop(proto);
4fd5055f	260	if (size < 0) {
770605e4	261	bootstage_error(BOOTSTAGE_ID_NET_NETLOOP_OK);
85848f03	262	return CMD_RET_FAILURE;
566a494f	263	}
770605e4	264	bootstage_mark(BOOTSTAGE_ID_NET_NETLOOP_OK);
3863585b	265
bc0571fc	266	/* net_loop ok, update environment */
3863585b WD	267	netboot_update_env();
3863585b WD	268
eb9401e3	269	/* done if no file was loaded (no errors though) */
566a494f	270	if (size == 0) {
770605e4	271	bootstage_error(BOOTSTAGE_ID_NET_LOADED);
85848f03	272	return CMD_RET_SUCCESS;
566a494f	273	}
eb9401e3	274
770605e4	275	bootstage_mark(BOOTSTAGE_ID_NET_LOADED);
c8e66db7	276
67d668bf	277	rcode = bootm_maybe_autostart(cmdtp, argv[0]);
3863585b	278
85848f03	279	if (rcode == CMD_RET_SUCCESS)
770605e4	280	bootstage_mark(BOOTSTAGE_ID_NET_DONE);
85848f03 JH	281	else
85848f03 JH	282	bootstage_error(BOOTSTAGE_ID_NET_DONE_ERR);
3863585b WD	283	return rcode;
	284	}
	285
c76fe474	286	#if defined(CONFIG_CMD_PING)
09140113 SG	287	static int do_ping(struct cmd_tbl *cmdtp, int flag, int argc,
09140113 SG	288	char *const argv[])
73a8b27c WD	289	{
73a8b27c WD	290	if (argc < 2)
85848f03	291	return CMD_RET_USAGE;
73a8b27c	292
049a95a7 JH	293	net_ping_ip = string_to_ip(argv[1]);
049a95a7 JH	294	if (net_ping_ip.s_addr == 0)
4c12eeb8	295	return CMD_RET_USAGE;
73a8b27c	296
bc0571fc	297	if (net_loop(PING) < 0) {
73a8b27c	298	printf("ping failed; host %s is not alive\n", argv[1]);
85848f03	299	return CMD_RET_FAILURE;
73a8b27c WD	300	}
	301
	302	printf("host %s is alive\n", argv[1]);
	303
85848f03	304	return CMD_RET_SUCCESS;
73a8b27c	305	}
6dff5529 WD	306
	307	U_BOOT_CMD(
	308	ping, 2, 1, do_ping,
2fb2604d	309	"send ICMP ECHO_REQUEST to network host",
a89c33db	310	"pingAddress"
6dff5529	311	);
90253178	312	#endif
73a8b27c	313
c76fe474	314	#if defined(CONFIG_CMD_CDP)
a3d991bd WD	315
	316	static void cdp_update_env(void)
	317	{
	318	char tmp[16];
	319
6aede5b7 JH	320	if (cdp_appliance_vlan != htons(-1)) {
	321	printf("CDP offered appliance VLAN %d\n",
	322	ntohs(cdp_appliance_vlan));
4fd5055f	323	vlan_to_string(cdp_appliance_vlan, tmp);
382bee57	324	env_set("vlan", tmp);
4fd5055f	325	net_our_vlan = cdp_appliance_vlan;
a3d991bd WD	326	}
a3d991bd WD	327
6aede5b7 JH	328	if (cdp_native_vlan != htons(-1)) {
6aede5b7 JH	329	printf("CDP offered native VLAN %d\n", ntohs(cdp_native_vlan));
4fd5055f	330	vlan_to_string(cdp_native_vlan, tmp);
382bee57	331	env_set("nvlan", tmp);
4fd5055f	332	net_native_vlan = cdp_native_vlan;
a3d991bd	333	}
a3d991bd WD	334	}
a3d991bd WD	335
09140113	336	int do_cdp(struct cmd_tbl cmdtp, int flag, int argc, char const argv[])
a3d991bd WD	337	{
	338	int r;
	339
bc0571fc	340	r = net_loop(CDP);
a3d991bd WD	341	if (r < 0) {
a3d991bd WD	342	printf("cdp failed; perhaps not a CISCO switch?\n");
85848f03	343	return CMD_RET_FAILURE;
a3d991bd WD	344	}
	345
	346	cdp_update_env();
	347
85848f03	348	return CMD_RET_SUCCESS;
a3d991bd WD	349	}
	350
	351	U_BOOT_CMD(
	352	cdp, 1, 1, do_cdp,
ec5c04cd	353	"Perform CDP network configuration",
4b58266e	354	"\n"
a3d991bd	355	);
90253178	356	#endif
a3d991bd	357
c76fe474	358	#if defined(CONFIG_CMD_SNTP)
09140113	359	int do_sntp(struct cmd_tbl cmdtp, int flag, int argc, char const argv[])
ea287deb WD	360	{
	361	char *toff;
	362
	363	if (argc < 2) {
723806cc	364	net_ntp_server = env_get_ip("ntpserverip");
049a95a7	365	if (net_ntp_server.s_addr == 0) {
088f1b19	366	printf("ntpserverip not set\n");
85848f03	367	return CMD_RET_FAILURE;
ea287deb WD	368	}
ea287deb WD	369	} else {
049a95a7 JH	370	net_ntp_server = string_to_ip(argv[1]);
049a95a7 JH	371	if (net_ntp_server.s_addr == 0) {
088f1b19	372	printf("Bad NTP server IP address\n");
85848f03	373	return CMD_RET_FAILURE;
ea287deb WD	374	}
	375	}
	376
00caae6d	377	toff = env_get("timeoffset");
088f1b19	378	if (toff == NULL)
bc0571fc	379	net_ntp_time_offset = 0;
088f1b19	380	else
bc0571fc	381	net_ntp_time_offset = simple_strtol(toff, NULL, 10);
ea287deb	382
bc0571fc	383	if (net_loop(SNTP) < 0) {
d6840e3d	384	printf("SNTP failed: host %pI4 not responding\n",
4fd5055f	385	&net_ntp_server);
85848f03	386	return CMD_RET_FAILURE;
ea287deb WD	387	}
ea287deb WD	388
85848f03	389	return CMD_RET_SUCCESS;
ea287deb WD	390	}
	391
	392	U_BOOT_CMD(
	393	sntp, 2, 1, do_sntp,
2fb2604d	394	"synchronize RTC via network",
ea287deb WD	395	"[NTP server IP]\n"
ea287deb WD	396	);
90253178	397	#endif
1a32bf41 RG	398
1a32bf41 RG	399	#if defined(CONFIG_CMD_DNS)
09140113	400	int do_dns(struct cmd_tbl cmdtp, int flag, int argc, char const argv[])
1a32bf41	401	{
47e26b1b	402	if (argc == 1)
4c12eeb8	403	return CMD_RET_USAGE;
1a32bf41 RG	404
	405	/*
	406	* We should check for a valid hostname:
	407	* - Each label must be between 1 and 63 characters long
	408	* - the entire hostname has a maximum of 255 characters
	409	* - only the ASCII letters 'a' through 'z' (case-insensitive),
	410	* the digits '0' through '9', and the hyphen
	411	* - cannot begin or end with a hyphen
	412	* - no other symbols, punctuation characters, or blank spaces are
	413	* permitted
	414	* but hey - this is a minimalist implmentation, so only check length
	415	* and let the name server deal with things.
	416	*/
	417	if (strlen(argv[1]) >= 255) {
	418	printf("dns error: hostname too long\n");
85848f03	419	return CMD_RET_FAILURE;
1a32bf41 RG	420	}
1a32bf41 RG	421
786eac5f	422	net_dns_resolve = argv[1];
1a32bf41 RG	423
1a32bf41 RG	424	if (argc == 3)
786eac5f	425	net_dns_env_var = argv[2];
1a32bf41	426	else
786eac5f	427	net_dns_env_var = NULL;
1a32bf41	428
bc0571fc	429	if (net_loop(DNS) < 0) {
1a32bf41	430	printf("dns lookup of %s failed, check setup\n", argv[1]);
85848f03	431	return CMD_RET_FAILURE;
1a32bf41 RG	432	}
1a32bf41 RG	433
85848f03	434	return CMD_RET_SUCCESS;
1a32bf41 RG	435	}
	436
	437	U_BOOT_CMD(
	438	dns, 3, 1, do_dns,
	439	"lookup the IP of a hostname",
	440	"hostname [envvar]"
	441	);
	442
	443	#endif /* CONFIG_CMD_DNS */
d22c338e JH	444
d22c338e JH	445	#if defined(CONFIG_CMD_LINK_LOCAL)
09140113 SG	446	static int do_link_local(struct cmd_tbl *cmdtp, int flag, int argc,
09140113 SG	447	char *const argv[])
d22c338e JH	448	{
	449	char tmp[22];
	450
bc0571fc	451	if (net_loop(LINKLOCAL) < 0)
85848f03	452	return CMD_RET_FAILURE;
d22c338e	453
049a95a7 JH	454	net_gateway.s_addr = 0;
049a95a7 JH	455	ip_to_string(net_gateway, tmp);
382bee57	456	env_set("gatewayip", tmp);
d22c338e	457
049a95a7	458	ip_to_string(net_netmask, tmp);
382bee57	459	env_set("netmask", tmp);
d22c338e	460
049a95a7	461	ip_to_string(net_ip, tmp);
382bee57 SG	462	env_set("ipaddr", tmp);
382bee57 SG	463	env_set("llipaddr", tmp); /* store this for next time */
d22c338e	464
85848f03	465	return CMD_RET_SUCCESS;
d22c338e JH	466	}
	467
	468	U_BOOT_CMD(
	469	linklocal, 1, 1, do_link_local,
	470	"acquire a network IP address using the link-local protocol",
	471	""
	472	);
	473
	474	#endif /* CONFIG_CMD_LINK_LOCAL */