[people/ms/u-boot.git] / common / cmd_net.c

/*
 * (C) Copyright 2000
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

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

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

static int do_bootp(cmd_tbl_t *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]"
);

int do_tftpb(cmd_tbl_t *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]"
);

#ifdef CONFIG_CMD_TFTPPUT
int do_tftpput(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
	int ret;

	ret = netboot_common(TFTPPUT, cmdtp, argc, argv);
	return ret;
}

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(cmd_tbl_t *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(cmd_tbl_t *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(cmd_tbl_t *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(cmd_tbl_t *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 (NetOurGatewayIP) {
		ip_to_string(NetOurGatewayIP, tmp);
		setenv("gatewayip", tmp);
	}

	if (NetOurSubnetMask) {
		ip_to_string(NetOurSubnetMask, tmp);
		setenv("netmask", tmp);
	}

	if (NetOurHostName[0])
		setenv("hostname", NetOurHostName);

	if (NetOurRootPath[0])
		setenv("rootpath", NetOurRootPath);

	if (NetOurIP) {
		ip_to_string(NetOurIP, tmp);
		setenv("ipaddr", tmp);
	}
#if !defined(CONFIG_BOOTP_SERVERIP)
	/*
	 * Only attempt to change serverip if net/bootp.c:BootpCopyNetParams()
	 * could have set it
	 */
	if (NetServerIP) {
		ip_to_string(NetServerIP, tmp);
		setenv("serverip", tmp);
	}
#endif
	if (NetOurDNSIP) {
		ip_to_string(NetOurDNSIP, tmp);
		setenv("dnsip", tmp);
	}
#if defined(CONFIG_BOOTP_DNS2)
	if (NetOurDNS2IP) {
		ip_to_string(NetOurDNS2IP, tmp);
		setenv("dnsip2", tmp);
	}
#endif
	if (NetOurNISDomain[0])
		setenv("domain", NetOurNISDomain);

#if defined(CONFIG_CMD_SNTP) \
    && defined(CONFIG_BOOTP_TIMEOFFSET)
	if (NetTimeOffset) {
		sprintf(tmp, "%d", NetTimeOffset);
		setenv("timeoffset", tmp);
	}
#endif
#if defined(CONFIG_CMD_SNTP) \
    && defined(CONFIG_BOOTP_NTPSERVER)
	if (NetNtpServerIP) {
		ip_to_string(NetNtpServerIP, tmp);
		setenv("ntpserverip", tmp);
	}
#endif
}

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

	/* pre-set load_addr */
	if ((s = getenv("loadaddr")) != NULL) {
		load_addr = simple_strtoul(s, NULL, 16);
	}

	switch (argc) {
	case 1:
		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])))
			load_addr = addr;
		else
			copy_filename(BootFile, argv[1], sizeof(BootFile));
		break;

	case 3:	load_addr = simple_strtoul(argv[1], NULL, 16);
		copy_filename(BootFile, argv[2], sizeof(BootFile));

		break;

#ifdef CONFIG_CMD_TFTPPUT
	case 4:
		if (strict_strtoul(argv[1], 16, &save_addr) < 0 ||
			strict_strtoul(argv[2], 16, &save_size) < 0) {
			printf("Invalid address/size\n");
			return cmd_usage(cmdtp);
		}
		copy_filename(BootFile, argv[3], sizeof(BootFile));
		break;
#endif
	default:
		bootstage_error(BOOTSTAGE_ID_NET_START);
		return CMD_RET_USAGE;
	}
	bootstage_mark(BOOTSTAGE_ID_NET_START);

	if ((size = NetLoop(proto)) < 0) {
		bootstage_error(BOOTSTAGE_ID_NET_NETLOOP_OK);
		return 1;
	}
	bootstage_mark(BOOTSTAGE_ID_NET_NETLOOP_OK);

	/* NetLoop 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 0;
	}

	/* flush cache */
	flush_cache(load_addr, size);

	bootstage_mark(BOOTSTAGE_ID_NET_LOADED);

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

	if (rcode < 0)
		bootstage_error(BOOTSTAGE_ID_NET_DONE_ERR);
	else
		bootstage_mark(BOOTSTAGE_ID_NET_DONE);
	return rcode;
}

#if defined(CONFIG_CMD_PING)
static int do_ping(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
	if (argc < 2)
		return -1;

	NetPingIP = string_to_ip(argv[1]);
	if (NetPingIP == 0)
		return CMD_RET_USAGE;

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

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

	return 0;
}

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 (CDPApplianceVLAN != htons(-1)) {
		printf("CDP offered appliance VLAN %d\n", ntohs(CDPApplianceVLAN));
		VLAN_to_string(CDPApplianceVLAN, tmp);
		setenv("vlan", tmp);
		NetOurVLAN = CDPApplianceVLAN;
	}

	if (CDPNativeVLAN != htons(-1)) {
		printf("CDP offered native VLAN %d\n", ntohs(CDPNativeVLAN));
		VLAN_to_string(CDPNativeVLAN, tmp);
		setenv("nvlan", tmp);
		NetOurNativeVLAN = CDPNativeVLAN;
	}

}

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

	r = NetLoop(CDP);
	if (r < 0) {
		printf("cdp failed; perhaps not a CISCO switch?\n");
		return 1;
	}

	cdp_update_env();

	return 0;
}

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

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

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

	toff = getenv("timeoffset");
	if (toff == NULL)
		NetTimeOffset = 0;
	else
		NetTimeOffset = simple_strtol(toff, NULL, 10);

	if (NetLoop(SNTP) < 0) {
		printf("SNTP failed: host %pI4 not responding\n",
			&NetNtpServerIP);
		return 1;
	}

	return 0;
}

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(cmd_tbl_t *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 1;
	}

	NetDNSResolve = argv[1];

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

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

	return 0;
}

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(cmd_tbl_t *cmdtp, int flag, int argc,
			char * const argv[])
{
	char tmp[22];

	if (NetLoop(LINKLOCAL) < 0)
		return 1;

	NetOurGatewayIP = 0;
	ip_to_string(NetOurGatewayIP, tmp);
	setenv("gatewayip", tmp);

	ip_to_string(NetOurSubnetMask, tmp);
	setenv("netmask", tmp);

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

	return 0;
}

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
3863585b WD	1	/*
	2	* (C) Copyright 2000
	3	* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
	4	*
	5	* See file CREDITS for list of people who contributed to this
	6	* project.
	7	*
	8	* This program is free software; you can redistribute it and/or
	9	* modify it under the terms of the GNU General Public License as
	10	* published by the Free Software Foundation; either version 2 of
	11	* the License, or (at your option) any later version.
	12	*
	13	* This program is distributed in the hope that it will be useful,
	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	* GNU General Public License for more details.
	17	*
	18	* You should have received a copy of the GNU General Public License
	19	* along with this program; if not, write to the Free Software
	20	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	21	* MA 02111-1307 USA
	22	*/
	23
	24	/*
	25	* Boot support
	26	*/
	27	#include <common.h>
	28	#include <command.h>
3863585b WD	29	#include <net.h>
3863585b WD	30
e4bf0c5c	31	static int netboot_common(enum proto_t, cmd_tbl_t , int, char const []);
3863585b	32
088f1b19	33	static int do_bootp(cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
3863585b	34	{
088f1b19	35	return netboot_common(BOOTP, cmdtp, argc, argv);
3863585b WD	36	}
3863585b WD	37
0d498393 WD	38	U_BOOT_CMD(
0d498393 WD	39	bootp, 3, 1, do_bootp,
2fb2604d	40	"boot image via network using BOOTP/TFTP protocol",
a89c33db	41	"[loadAddress] [[hostIPaddr:]bootfilename]"
8bde7f77 WD	42	);
8bde7f77 WD	43
088f1b19	44	int do_tftpb(cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
3863585b	45	{
573f14fe SG	46	int ret;
	47
	48	bootstage_mark_name(BOOTSTAGE_KERNELREAD_START, "tftp_start");
	49	ret = netboot_common(TFTPGET, cmdtp, argc, argv);
	50	bootstage_mark_name(BOOTSTAGE_KERNELREAD_STOP, "tftp_done");
	51	return ret;
3863585b WD	52	}
3863585b WD	53
0d498393 WD	54	U_BOOT_CMD(
0d498393 WD	55	tftpboot, 3, 1, do_tftpb,
2fb2604d	56	"boot image via network using TFTP protocol",
a89c33db	57	"[loadAddress] [[hostIPaddr:]bootfilename]"
8bde7f77 WD	58	);
8bde7f77 WD	59
2d46cf29 SG	60	#ifdef CONFIG_CMD_TFTPPUT
	61	int do_tftpput(cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
	62	{
	63	int ret;
	64
	65	ret = netboot_common(TFTPPUT, cmdtp, argc, argv);
	66	return ret;
	67	}
	68
	69	U_BOOT_CMD(
	70	tftpput, 4, 1, do_tftpput,
	71	"TFTP put command, for uploading files to a server",
	72	"Address Size [[hostIPaddr:]filename]"
	73	);
	74	#endif
	75
7a83af07 LC	76	#ifdef CONFIG_CMD_TFTPSRV
	77	static int do_tftpsrv(cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
	78	{
	79	return netboot_common(TFTPSRV, cmdtp, argc, argv);
	80	}
	81
	82	U_BOOT_CMD(
	83	tftpsrv, 2, 1, do_tftpsrv,
	84	"act as a TFTP server and boot the first received file",
	85	"[loadAddress]\n"
	86	"Listen for an incoming TFTP transfer, receive a file and boot it.\n"
	87	"The transfer is aborted if a transfer has not been started after\n"
	88	"about 50 seconds or if Ctrl-C is pressed."
	89	);
	90	#endif
	91
	92
bf6cb247	93	#ifdef CONFIG_CMD_RARP
088f1b19	94	int do_rarpb(cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
3863585b	95	{
088f1b19	96	return netboot_common(RARP, cmdtp, argc, argv);
3863585b WD	97	}
3863585b WD	98
0d498393 WD	99	U_BOOT_CMD(
0d498393 WD	100	rarpboot, 3, 1, do_rarpb,
2fb2604d	101	"boot image via network using RARP/TFTP protocol",
a89c33db	102	"[loadAddress] [[hostIPaddr:]bootfilename]"
8bde7f77	103	);
bf6cb247	104	#endif
8bde7f77	105
c76fe474	106	#if defined(CONFIG_CMD_DHCP)
088f1b19	107	static int do_dhcp(cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
3863585b WD	108	{
	109	return netboot_common(DHCP, cmdtp, argc, argv);
	110	}
8bde7f77	111
0d498393 WD	112	U_BOOT_CMD(
0d498393 WD	113	dhcp, 3, 1, do_dhcp,
2fb2604d	114	"boot image via network using DHCP/TFTP protocol",
a89c33db	115	"[loadAddress] [[hostIPaddr:]bootfilename]"
8bde7f77	116	);
90253178	117	#endif
3863585b	118
c76fe474	119	#if defined(CONFIG_CMD_NFS)
088f1b19	120	static int do_nfs(cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
cbd8a35c WD	121	{
	122	return netboot_common(NFS, cmdtp, argc, argv);
	123	}
	124
	125	U_BOOT_CMD(
	126	nfs, 3, 1, do_nfs,
2fb2604d	127	"boot image via network using NFS protocol",
a89c33db	128	"[loadAddress] [[hostIPaddr:]bootfilename]"
cbd8a35c	129	);
90253178	130	#endif
cbd8a35c	131
088f1b19	132	static void netboot_update_env(void)
3863585b	133	{
6e592385	134	char tmp[22];
3863585b	135
6e592385	136	if (NetOurGatewayIP) {
088f1b19 KP	137	ip_to_string(NetOurGatewayIP, tmp);
088f1b19 KP	138	setenv("gatewayip", tmp);
6e592385	139	}
3863585b	140
6e592385	141	if (NetOurSubnetMask) {
088f1b19 KP	142	ip_to_string(NetOurSubnetMask, tmp);
088f1b19 KP	143	setenv("netmask", tmp);
6e592385	144	}
3863585b	145
6e592385	146	if (NetOurHostName[0])
088f1b19	147	setenv("hostname", NetOurHostName);
3863585b	148
6e592385	149	if (NetOurRootPath[0])
088f1b19	150	setenv("rootpath", NetOurRootPath);
3863585b	151
6e592385	152	if (NetOurIP) {
088f1b19 KP	153	ip_to_string(NetOurIP, tmp);
088f1b19 KP	154	setenv("ipaddr", tmp);
6e592385	155	}
a3e1a727 JH	156	#if !defined(CONFIG_BOOTP_SERVERIP)
	157	/*
	158	* Only attempt to change serverip if net/bootp.c:BootpCopyNetParams()
	159	* could have set it
	160	*/
6e592385	161	if (NetServerIP) {
088f1b19 KP	162	ip_to_string(NetServerIP, tmp);
088f1b19 KP	163	setenv("serverip", tmp);
6e592385	164	}
a3e1a727	165	#endif
6e592385	166	if (NetOurDNSIP) {
088f1b19 KP	167	ip_to_string(NetOurDNSIP, tmp);
088f1b19 KP	168	setenv("dnsip", tmp);
6e592385	169	}
1fe80d79	170	#if defined(CONFIG_BOOTP_DNS2)
6e592385	171	if (NetOurDNS2IP) {
088f1b19 KP	172	ip_to_string(NetOurDNS2IP, tmp);
088f1b19 KP	173	setenv("dnsip2", tmp);
6e592385	174	}
fe389a82	175	#endif
6e592385	176	if (NetOurNISDomain[0])
088f1b19	177	setenv("domain", NetOurNISDomain);
ea287deb	178
c76fe474	179	#if defined(CONFIG_CMD_SNTP) \
1fe80d79	180	&& defined(CONFIG_BOOTP_TIMEOFFSET)
ea287deb	181	if (NetTimeOffset) {
088f1b19 KP	182	sprintf(tmp, "%d", NetTimeOffset);
088f1b19 KP	183	setenv("timeoffset", tmp);
ea287deb WD	184	}
ea287deb WD	185	#endif
c76fe474	186	#if defined(CONFIG_CMD_SNTP) \
1fe80d79	187	&& defined(CONFIG_BOOTP_NTPSERVER)
ea287deb	188	if (NetNtpServerIP) {
088f1b19 KP	189	ip_to_string(NetNtpServerIP, tmp);
088f1b19 KP	190	setenv("ntpserverip", tmp);
ea287deb WD	191	}
ea287deb WD	192	#endif
3863585b	193	}
6e592385	194
e4bf0c5c SG	195	static int netboot_common(enum proto_t proto, cmd_tbl_t *cmdtp, int argc,
e4bf0c5c SG	196	char * const argv[])
3863585b WD	197	{
3863585b WD	198	char *s;
2e4970d8	199	char *end;
3863585b WD	200	int rcode = 0;
3863585b WD	201	int size;
2e4970d8	202	ulong addr;
3863585b WD	203
	204	/* pre-set load_addr */
	205	if ((s = getenv("loadaddr")) != NULL) {
	206	load_addr = simple_strtoul(s, NULL, 16);
	207	}
	208
	209	switch (argc) {
	210	case 1:
	211	break;
	212
2e4970d8 PT	213	case 2: /*
	214	* Only one arg - accept two forms:
	215	* Just load address, or just boot file name. The latter
	216	* form must be written in a format which can not be
	217	* mis-interpreted as a valid number.
3863585b	218	*/
2e4970d8 PT	219	addr = simple_strtoul(argv[1], &end, 16);
	220	if (end == (argv[1] + strlen(argv[1])))
	221	load_addr = addr;
	222	else
	223	copy_filename(BootFile, argv[1], sizeof(BootFile));
3863585b WD	224	break;
	225
	226	case 3: load_addr = simple_strtoul(argv[1], NULL, 16);
088f1b19	227	copy_filename(BootFile, argv[2], sizeof(BootFile));
3863585b WD	228
	229	break;
	230
2d46cf29 SG	231	#ifdef CONFIG_CMD_TFTPPUT
2d46cf29 SG	232	case 4:
38bd80b4 SG	233	if (strict_strtoul(argv[1], 16, &save_addr) < 0 \|\|
	234	strict_strtoul(argv[2], 16, &save_size) < 0) {
	235	printf("Invalid address/size\n");
	236	return cmd_usage(cmdtp);
	237	}
2d46cf29 SG	238	copy_filename(BootFile, argv[3], sizeof(BootFile));
	239	break;
	240	#endif
47e26b1b	241	default:
770605e4	242	bootstage_error(BOOTSTAGE_ID_NET_START);
4c12eeb8	243	return CMD_RET_USAGE;
3863585b	244	}
770605e4	245	bootstage_mark(BOOTSTAGE_ID_NET_START);
3863585b	246
566a494f	247	if ((size = NetLoop(proto)) < 0) {
770605e4	248	bootstage_error(BOOTSTAGE_ID_NET_NETLOOP_OK);
3863585b	249	return 1;
566a494f	250	}
770605e4	251	bootstage_mark(BOOTSTAGE_ID_NET_NETLOOP_OK);
3863585b WD	252
	253	/* NetLoop ok, update environment */
	254	netboot_update_env();
	255
eb9401e3	256	/* done if no file was loaded (no errors though) */
566a494f	257	if (size == 0) {
770605e4	258	bootstage_error(BOOTSTAGE_ID_NET_LOADED);
eb9401e3	259	return 0;
566a494f	260	}
eb9401e3	261
3863585b WD	262	/* flush cache */
	263	flush_cache(load_addr, size);
	264
770605e4	265	bootstage_mark(BOOTSTAGE_ID_NET_LOADED);
c8e66db7	266
67d668bf	267	rcode = bootm_maybe_autostart(cmdtp, argv[0]);
3863585b	268
566a494f	269	if (rcode < 0)
770605e4	270	bootstage_error(BOOTSTAGE_ID_NET_DONE_ERR);
566a494f	271	else
770605e4	272	bootstage_mark(BOOTSTAGE_ID_NET_DONE);
3863585b WD	273	return rcode;
	274	}
	275
c76fe474	276	#if defined(CONFIG_CMD_PING)
088f1b19	277	static int do_ping(cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
73a8b27c WD	278	{
	279	if (argc < 2)
	280	return -1;
	281
	282	NetPingIP = string_to_ip(argv[1]);
47e26b1b	283	if (NetPingIP == 0)
4c12eeb8	284	return CMD_RET_USAGE;
73a8b27c WD	285
	286	if (NetLoop(PING) < 0) {
	287	printf("ping failed; host %s is not alive\n", argv[1]);
	288	return 1;
	289	}
	290
	291	printf("host %s is alive\n", argv[1]);
	292
	293	return 0;
	294	}
6dff5529 WD	295
	296	U_BOOT_CMD(
	297	ping, 2, 1, do_ping,
2fb2604d	298	"send ICMP ECHO_REQUEST to network host",
a89c33db	299	"pingAddress"
6dff5529	300	);
90253178	301	#endif
73a8b27c	302
c76fe474	303	#if defined(CONFIG_CMD_CDP)
a3d991bd WD	304
	305	static void cdp_update_env(void)
	306	{
	307	char tmp[16];
	308
	309	if (CDPApplianceVLAN != htons(-1)) {
	310	printf("CDP offered appliance VLAN %d\n", ntohs(CDPApplianceVLAN));
	311	VLAN_to_string(CDPApplianceVLAN, tmp);
	312	setenv("vlan", tmp);
	313	NetOurVLAN = CDPApplianceVLAN;
	314	}
	315
	316	if (CDPNativeVLAN != htons(-1)) {
	317	printf("CDP offered native VLAN %d\n", ntohs(CDPNativeVLAN));
	318	VLAN_to_string(CDPNativeVLAN, tmp);
	319	setenv("nvlan", tmp);
	320	NetOurNativeVLAN = CDPNativeVLAN;
	321	}
	322
	323	}
	324
088f1b19	325	int do_cdp(cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
a3d991bd WD	326	{
	327	int r;
	328
	329	r = NetLoop(CDP);
	330	if (r < 0) {
	331	printf("cdp failed; perhaps not a CISCO switch?\n");
	332	return 1;
	333	}
	334
	335	cdp_update_env();
	336
	337	return 0;
	338	}
	339
	340	U_BOOT_CMD(
	341	cdp, 1, 1, do_cdp,
ec5c04cd	342	"Perform CDP network configuration",
4b58266e	343	"\n"
a3d991bd	344	);
90253178	345	#endif
a3d991bd	346
c76fe474	347	#if defined(CONFIG_CMD_SNTP)
088f1b19	348	int do_sntp(cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
ea287deb WD	349	{
	350	char *toff;
	351
	352	if (argc < 2) {
088f1b19	353	NetNtpServerIP = getenv_IPaddr("ntpserverip");
ea287deb	354	if (NetNtpServerIP == 0) {
088f1b19	355	printf("ntpserverip not set\n");
ea287deb WD	356	return (1);
	357	}
	358	} else {
	359	NetNtpServerIP = string_to_ip(argv[1]);
	360	if (NetNtpServerIP == 0) {
088f1b19	361	printf("Bad NTP server IP address\n");
ea287deb WD	362	return (1);
	363	}
	364	}
	365
088f1b19 KP	366	toff = getenv("timeoffset");
	367	if (toff == NULL)
	368	NetTimeOffset = 0;
	369	else
	370	NetTimeOffset = simple_strtol(toff, NULL, 10);
ea287deb WD	371
ea287deb WD	372	if (NetLoop(SNTP) < 0) {
d6840e3d LP	373	printf("SNTP failed: host %pI4 not responding\n",
d6840e3d LP	374	&NetNtpServerIP);
ea287deb WD	375	return 1;
	376	}
	377
	378	return 0;
	379	}
	380
	381	U_BOOT_CMD(
	382	sntp, 2, 1, do_sntp,
2fb2604d	383	"synchronize RTC via network",
ea287deb WD	384	"[NTP server IP]\n"
ea287deb WD	385	);
90253178	386	#endif
1a32bf41 RG	387
1a32bf41 RG	388	#if defined(CONFIG_CMD_DNS)
54841ab5	389	int do_dns(cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
1a32bf41	390	{
47e26b1b	391	if (argc == 1)
4c12eeb8	392	return CMD_RET_USAGE;
1a32bf41 RG	393
	394	/*
	395	* We should check for a valid hostname:
	396	* - Each label must be between 1 and 63 characters long
	397	* - the entire hostname has a maximum of 255 characters
	398	* - only the ASCII letters 'a' through 'z' (case-insensitive),
	399	* the digits '0' through '9', and the hyphen
	400	* - cannot begin or end with a hyphen
	401	* - no other symbols, punctuation characters, or blank spaces are
	402	* permitted
	403	* but hey - this is a minimalist implmentation, so only check length
	404	* and let the name server deal with things.
	405	*/
	406	if (strlen(argv[1]) >= 255) {
	407	printf("dns error: hostname too long\n");
	408	return 1;
	409	}
	410
	411	NetDNSResolve = argv[1];
	412
	413	if (argc == 3)
	414	NetDNSenvvar = argv[2];
	415	else
	416	NetDNSenvvar = NULL;
	417
	418	if (NetLoop(DNS) < 0) {
	419	printf("dns lookup of %s failed, check setup\n", argv[1]);
	420	return 1;
	421	}
	422
	423	return 0;
	424	}
	425
	426	U_BOOT_CMD(
	427	dns, 3, 1, do_dns,
	428	"lookup the IP of a hostname",
	429	"hostname [envvar]"
	430	);
	431
	432	#endif /* CONFIG_CMD_DNS */
d22c338e JH	433
	434	#if defined(CONFIG_CMD_LINK_LOCAL)
	435	static int do_link_local(cmd_tbl_t *cmdtp, int flag, int argc,
	436	char * const argv[])
	437	{
	438	char tmp[22];
	439
	440	if (NetLoop(LINKLOCAL) < 0)
	441	return 1;
	442
	443	NetOurGatewayIP = 0;
	444	ip_to_string(NetOurGatewayIP, tmp);
	445	setenv("gatewayip", tmp);
	446
	447	ip_to_string(NetOurSubnetMask, tmp);
	448	setenv("netmask", tmp);
	449
	450	ip_to_string(NetOurIP, tmp);
	451	setenv("ipaddr", tmp);
	452	setenv("llipaddr", tmp); /* store this for next time */
	453
	454	return 0;
	455	}
	456
	457	U_BOOT_CMD(
	458	linklocal, 1, 1, do_link_local,
	459	"acquire a network IP address using the link-local protocol",
	460	""
	461	);
	462
	463	#endif /* CONFIG_CMD_LINK_LOCAL */