[J-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 <dm.h>
#include <env.h>
#include <image.h>
#include <net.h>
#include <net/udp.h>
#include <net/sntp.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);
	}
	/*
	 * Only attempt to change serverip if net/bootp.c:store_net_params()
	 * could have set it
	 */
	if (!IS_ENABLED(CONFIG_BOOTP_SERVERIP) && net_server_ip.s_addr) {
		ip_to_string(net_server_ip, tmp);
		env_set("serverip", tmp);
	}
	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 = hextoul(s, NULL);

	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 = hextoul(argv[1], &end);
		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 = hextoul(argv[1], NULL);
		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)
static struct udp_ops sntp_ops = {
	.prereq = sntp_prereq,
	.start = sntp_start,
	.data = NULL,
};

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 (udp_loop(&sntp_ops) < 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 */

#ifdef CONFIG_DM_ETH
static int do_net_list(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
{
	const struct udevice *current = eth_get_dev();
	unsigned char env_enetaddr[ARP_HLEN];
	const struct udevice *dev;
	struct uclass *uc;

	uclass_id_foreach_dev(UCLASS_ETH, dev, uc) {
		eth_env_get_enetaddr_by_index("eth", dev_seq(dev), env_enetaddr);
		printf("eth%d : %s %pM %s\n", dev_seq(dev), dev->name, env_enetaddr,
		       current == dev ? "active" : "");
	}
	return CMD_RET_SUCCESS;
}

static struct cmd_tbl cmd_net[] = {
	U_BOOT_CMD_MKENT(list, 1, 0, do_net_list, "", ""),
};

static int do_net(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
{
	struct cmd_tbl *cp;

	cp = find_cmd_tbl(argv[1], cmd_net, ARRAY_SIZE(cmd_net));

	/* Drop the net command */
	argc--;
	argv++;

	if (!cp || argc > cp->maxargs)
		return CMD_RET_USAGE;
	if (flag == CMD_FLAG_REPEAT && !cmd_is_repeatable(cp))
		return CMD_RET_SUCCESS;

	return cp->cmd(cmdtp, flag, argc, argv);
}

U_BOOT_CMD(
	net, 2, 1, do_net,
	"NET sub-system",
	"list - list available devices\n"
);
#endif // CONFIG_DM_ETH
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>
8a3987f4	13	#include <dm.h>
9fb625ce	14	#include <env.h>
8e8ccfe1	15	#include <image.h>
3863585b	16	#include <net.h>
912ece4c PR	17	#include <net/udp.h>
912ece4c PR	18	#include <net/sntp.h>
3863585b	19
09140113	20	static int netboot_common(enum proto_t, struct cmd_tbl , int, char const []);
3863585b	21
d7a45eaf	22	#ifdef CONFIG_CMD_BOOTP
09140113 SG	23	static int do_bootp(struct cmd_tbl *cmdtp, int flag, int argc,
09140113 SG	24	char *const argv[])
3863585b	25	{
088f1b19	26	return netboot_common(BOOTP, cmdtp, argc, argv);
3863585b WD	27	}
3863585b WD	28
0d498393 WD	29	U_BOOT_CMD(
0d498393 WD	30	bootp, 3, 1, do_bootp,
2fb2604d	31	"boot image via network using BOOTP/TFTP protocol",
a89c33db	32	"[loadAddress] [[hostIPaddr:]bootfilename]"
8bde7f77	33	);
d7a45eaf	34	#endif
8bde7f77	35
d7a45eaf	36	#ifdef CONFIG_CMD_TFTPBOOT
09140113	37	int do_tftpb(struct cmd_tbl cmdtp, int flag, int argc, char const argv[])
3863585b	38	{
573f14fe SG	39	int ret;
	40
	41	bootstage_mark_name(BOOTSTAGE_KERNELREAD_START, "tftp_start");
	42	ret = netboot_common(TFTPGET, cmdtp, argc, argv);
	43	bootstage_mark_name(BOOTSTAGE_KERNELREAD_STOP, "tftp_done");
	44	return ret;
3863585b WD	45	}
3863585b WD	46
0d498393 WD	47	U_BOOT_CMD(
0d498393 WD	48	tftpboot, 3, 1, do_tftpb,
2fb2604d	49	"boot image via network using TFTP protocol",
a89c33db	50	"[loadAddress] [[hostIPaddr:]bootfilename]"
8bde7f77	51	);
d7a45eaf	52	#endif
8bde7f77	53
2d46cf29	54	#ifdef CONFIG_CMD_TFTPPUT
09140113 SG	55	static int do_tftpput(struct cmd_tbl *cmdtp, int flag, int argc,
09140113 SG	56	char *const argv[])
2d46cf29	57	{
85848f03	58	return netboot_common(TFTPPUT, cmdtp, argc, argv);
2d46cf29 SG	59	}
	60
	61	U_BOOT_CMD(
	62	tftpput, 4, 1, do_tftpput,
	63	"TFTP put command, for uploading files to a server",
	64	"Address Size [[hostIPaddr:]filename]"
	65	);
	66	#endif
	67
7a83af07	68	#ifdef CONFIG_CMD_TFTPSRV
09140113 SG	69	static int do_tftpsrv(struct cmd_tbl *cmdtp, int flag, int argc,
09140113 SG	70	char *const argv[])
7a83af07 LC	71	{
	72	return netboot_common(TFTPSRV, cmdtp, argc, argv);
	73	}
	74
	75	U_BOOT_CMD(
	76	tftpsrv, 2, 1, do_tftpsrv,
	77	"act as a TFTP server and boot the first received file",
	78	"[loadAddress]\n"
	79	"Listen for an incoming TFTP transfer, receive a file and boot it.\n"
	80	"The transfer is aborted if a transfer has not been started after\n"
	81	"about 50 seconds or if Ctrl-C is pressed."
	82	);
	83	#endif
	84
	85
bf6cb247	86	#ifdef CONFIG_CMD_RARP
09140113	87	int do_rarpb(struct cmd_tbl cmdtp, int flag, int argc, char const argv[])
3863585b	88	{
088f1b19	89	return netboot_common(RARP, cmdtp, argc, argv);
3863585b WD	90	}
3863585b WD	91
0d498393 WD	92	U_BOOT_CMD(
0d498393 WD	93	rarpboot, 3, 1, do_rarpb,
2fb2604d	94	"boot image via network using RARP/TFTP protocol",
a89c33db	95	"[loadAddress] [[hostIPaddr:]bootfilename]"
8bde7f77	96	);
bf6cb247	97	#endif
8bde7f77	98
c76fe474	99	#if defined(CONFIG_CMD_DHCP)
09140113 SG	100	static int do_dhcp(struct cmd_tbl *cmdtp, int flag, int argc,
09140113 SG	101	char *const argv[])
3863585b WD	102	{
	103	return netboot_common(DHCP, cmdtp, argc, argv);
	104	}
8bde7f77	105
0d498393 WD	106	U_BOOT_CMD(
0d498393 WD	107	dhcp, 3, 1, do_dhcp,
2fb2604d	108	"boot image via network using DHCP/TFTP protocol",
a89c33db	109	"[loadAddress] [[hostIPaddr:]bootfilename]"
8bde7f77	110	);
90253178	111	#endif
3863585b	112
c76fe474	113	#if defined(CONFIG_CMD_NFS)
09140113 SG	114	static int do_nfs(struct cmd_tbl *cmdtp, int flag, int argc,
09140113 SG	115	char *const argv[])
cbd8a35c WD	116	{
	117	return netboot_common(NFS, cmdtp, argc, argv);
	118	}
	119
	120	U_BOOT_CMD(
	121	nfs, 3, 1, do_nfs,
2fb2604d	122	"boot image via network using NFS protocol",
a89c33db	123	"[loadAddress] [[hostIPaddr:]bootfilename]"
cbd8a35c	124	);
90253178	125	#endif
cbd8a35c	126
088f1b19	127	static void netboot_update_env(void)
3863585b	128	{
6e592385	129	char tmp[22];
3863585b	130
049a95a7 JH	131	if (net_gateway.s_addr) {
049a95a7 JH	132	ip_to_string(net_gateway, tmp);
382bee57	133	env_set("gatewayip", tmp);
6e592385	134	}
3863585b	135
049a95a7 JH	136	if (net_netmask.s_addr) {
049a95a7 JH	137	ip_to_string(net_netmask, tmp);
382bee57	138	env_set("netmask", tmp);
6e592385	139	}
3863585b	140
808f13d8	141	#ifdef CONFIG_CMD_BOOTP
586cbe51	142	if (net_hostname[0])
382bee57	143	env_set("hostname", net_hostname);
808f13d8	144	#endif
3863585b	145
808f13d8	146	#ifdef CONFIG_CMD_BOOTP
586cbe51	147	if (net_root_path[0])
382bee57	148	env_set("rootpath", net_root_path);
808f13d8	149	#endif
3863585b	150
049a95a7 JH	151	if (net_ip.s_addr) {
049a95a7 JH	152	ip_to_string(net_ip, tmp);
382bee57	153	env_set("ipaddr", tmp);
6e592385	154	}
a3e1a727	155	/*
ff78ad28	156	* Only attempt to change serverip if net/bootp.c:store_net_params()
a3e1a727 JH	157	* could have set it
a3e1a727 JH	158	*/
43407539	159	if (!IS_ENABLED(CONFIG_BOOTP_SERVERIP) && net_server_ip.s_addr) {
049a95a7	160	ip_to_string(net_server_ip, tmp);
382bee57	161	env_set("serverip", tmp);
6e592385	162	}
049a95a7 JH	163	if (net_dns_server.s_addr) {
049a95a7 JH	164	ip_to_string(net_dns_server, tmp);
382bee57	165	env_set("dnsip", tmp);
6e592385	166	}
1fe80d79	167	#if defined(CONFIG_BOOTP_DNS2)
049a95a7 JH	168	if (net_dns_server2.s_addr) {
049a95a7 JH	169	ip_to_string(net_dns_server2, tmp);
382bee57	170	env_set("dnsip2", tmp);
6e592385	171	}
fe389a82	172	#endif
808f13d8	173	#ifdef CONFIG_CMD_BOOTP
586cbe51	174	if (net_nis_domain[0])
382bee57	175	env_set("domain", net_nis_domain);
808f13d8	176	#endif
ea287deb	177
4fd5055f	178	#if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_TIMEOFFSET)
bc0571fc JH	179	if (net_ntp_time_offset) {
bc0571fc JH	180	sprintf(tmp, "%d", net_ntp_time_offset);
382bee57	181	env_set("timeoffset", tmp);
ea287deb WD	182	}
ea287deb WD	183	#endif
4fd5055f	184	#if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_NTPSERVER)
049a95a7 JH	185	if (net_ntp_server.s_addr) {
049a95a7 JH	186	ip_to_string(net_ntp_server, tmp);
382bee57	187	env_set("ntpserverip", tmp);
ea287deb WD	188	}
ea287deb WD	189	#endif
3863585b	190	}
6e592385	191
09140113 SG	192	static int netboot_common(enum proto_t proto, struct cmd_tbl *cmdtp, int argc,
09140113 SG	193	char *const argv[])
3863585b WD	194	{
3863585b WD	195	char *s;
2e4970d8	196	char *end;
3863585b WD	197	int rcode = 0;
3863585b WD	198	int size;
2e4970d8	199	ulong addr;
3863585b	200
449312c1 AG	201	net_boot_file_name_explicit = false;
449312c1 AG	202
bb872dd9	203	/* pre-set image_load_addr */
00caae6d	204	s = env_get("loadaddr");
4fd5055f	205	if (s != NULL)
7e5f460e	206	image_load_addr = hextoul(s, NULL);
3863585b WD	207
	208	switch (argc) {
	209	case 1:
f43308fa JH	210	/* refresh bootfile name from env */
	211	copy_filename(net_boot_file_name, env_get("bootfile"),
	212	sizeof(net_boot_file_name));
3863585b WD	213	break;
3863585b WD	214
2e4970d8 PT	215	case 2: /*
	216	* Only one arg - accept two forms:
	217	* Just load address, or just boot file name. The latter
	218	* form must be written in a format which can not be
	219	* mis-interpreted as a valid number.
3863585b	220	*/
7e5f460e	221	addr = hextoul(argv[1], &end);
449312c1	222	if (end == (argv[1] + strlen(argv[1]))) {
bb872dd9	223	image_load_addr = addr;
f43308fa JH	224	/* refresh bootfile name from env */
	225	copy_filename(net_boot_file_name, env_get("bootfile"),
	226	sizeof(net_boot_file_name));
449312c1 AG	227	} else {
449312c1 AG	228	net_boot_file_name_explicit = true;
1411157d JH	229	copy_filename(net_boot_file_name, argv[1],
1411157d JH	230	sizeof(net_boot_file_name));
449312c1	231	}
3863585b WD	232	break;
3863585b WD	233
4fd5055f	234	case 3:
7e5f460e	235	image_load_addr = hextoul(argv[1], NULL);
449312c1	236	net_boot_file_name_explicit = true;
1411157d JH	237	copy_filename(net_boot_file_name, argv[2],
1411157d JH	238	sizeof(net_boot_file_name));
3863585b WD	239
	240	break;
	241
2d46cf29 SG	242	#ifdef CONFIG_CMD_TFTPPUT
2d46cf29 SG	243	case 4:
bb872dd9 SG	244	if (strict_strtoul(argv[1], 16, &image_save_addr) < 0 \|\|
bb872dd9 SG	245	strict_strtoul(argv[2], 16, &image_save_size) < 0) {
38bd80b4	246	printf("Invalid address/size\n");
85848f03	247	return CMD_RET_USAGE;
38bd80b4	248	}
449312c1	249	net_boot_file_name_explicit = true;
1411157d JH	250	copy_filename(net_boot_file_name, argv[3],
1411157d JH	251	sizeof(net_boot_file_name));
2d46cf29 SG	252	break;
2d46cf29 SG	253	#endif
47e26b1b	254	default:
770605e4	255	bootstage_error(BOOTSTAGE_ID_NET_START);
4c12eeb8	256	return CMD_RET_USAGE;
3863585b	257	}
770605e4	258	bootstage_mark(BOOTSTAGE_ID_NET_START);
3863585b	259
bc0571fc	260	size = net_loop(proto);
4fd5055f	261	if (size < 0) {
770605e4	262	bootstage_error(BOOTSTAGE_ID_NET_NETLOOP_OK);
85848f03	263	return CMD_RET_FAILURE;
566a494f	264	}
770605e4	265	bootstage_mark(BOOTSTAGE_ID_NET_NETLOOP_OK);
3863585b	266
bc0571fc	267	/* net_loop ok, update environment */
3863585b WD	268	netboot_update_env();
3863585b WD	269
eb9401e3	270	/* done if no file was loaded (no errors though) */
566a494f	271	if (size == 0) {
770605e4	272	bootstage_error(BOOTSTAGE_ID_NET_LOADED);
85848f03	273	return CMD_RET_SUCCESS;
566a494f	274	}
eb9401e3	275
770605e4	276	bootstage_mark(BOOTSTAGE_ID_NET_LOADED);
c8e66db7	277
67d668bf	278	rcode = bootm_maybe_autostart(cmdtp, argv[0]);
3863585b	279
85848f03	280	if (rcode == CMD_RET_SUCCESS)
770605e4	281	bootstage_mark(BOOTSTAGE_ID_NET_DONE);
85848f03 JH	282	else
85848f03 JH	283	bootstage_error(BOOTSTAGE_ID_NET_DONE_ERR);
3863585b WD	284	return rcode;
	285	}
	286
c76fe474	287	#if defined(CONFIG_CMD_PING)
09140113 SG	288	static int do_ping(struct cmd_tbl *cmdtp, int flag, int argc,
09140113 SG	289	char *const argv[])
73a8b27c WD	290	{
73a8b27c WD	291	if (argc < 2)
85848f03	292	return CMD_RET_USAGE;
73a8b27c	293
049a95a7 JH	294	net_ping_ip = string_to_ip(argv[1]);
049a95a7 JH	295	if (net_ping_ip.s_addr == 0)
4c12eeb8	296	return CMD_RET_USAGE;
73a8b27c	297
bc0571fc	298	if (net_loop(PING) < 0) {
73a8b27c	299	printf("ping failed; host %s is not alive\n", argv[1]);
85848f03	300	return CMD_RET_FAILURE;
73a8b27c WD	301	}
	302
	303	printf("host %s is alive\n", argv[1]);
	304
85848f03	305	return CMD_RET_SUCCESS;
73a8b27c	306	}
6dff5529 WD	307
	308	U_BOOT_CMD(
	309	ping, 2, 1, do_ping,
2fb2604d	310	"send ICMP ECHO_REQUEST to network host",
a89c33db	311	"pingAddress"
6dff5529	312	);
90253178	313	#endif
73a8b27c	314
c76fe474	315	#if defined(CONFIG_CMD_CDP)
a3d991bd WD	316
	317	static void cdp_update_env(void)
	318	{
	319	char tmp[16];
	320
6aede5b7 JH	321	if (cdp_appliance_vlan != htons(-1)) {
	322	printf("CDP offered appliance VLAN %d\n",
	323	ntohs(cdp_appliance_vlan));
4fd5055f	324	vlan_to_string(cdp_appliance_vlan, tmp);
382bee57	325	env_set("vlan", tmp);
4fd5055f	326	net_our_vlan = cdp_appliance_vlan;
a3d991bd WD	327	}
a3d991bd WD	328
6aede5b7 JH	329	if (cdp_native_vlan != htons(-1)) {
6aede5b7 JH	330	printf("CDP offered native VLAN %d\n", ntohs(cdp_native_vlan));
4fd5055f	331	vlan_to_string(cdp_native_vlan, tmp);
382bee57	332	env_set("nvlan", tmp);
4fd5055f	333	net_native_vlan = cdp_native_vlan;
a3d991bd	334	}
a3d991bd WD	335	}
a3d991bd WD	336
09140113	337	int do_cdp(struct cmd_tbl cmdtp, int flag, int argc, char const argv[])
a3d991bd WD	338	{
	339	int r;
	340
bc0571fc	341	r = net_loop(CDP);
a3d991bd WD	342	if (r < 0) {
a3d991bd WD	343	printf("cdp failed; perhaps not a CISCO switch?\n");
85848f03	344	return CMD_RET_FAILURE;
a3d991bd WD	345	}
	346
	347	cdp_update_env();
	348
85848f03	349	return CMD_RET_SUCCESS;
a3d991bd WD	350	}
	351
	352	U_BOOT_CMD(
	353	cdp, 1, 1, do_cdp,
ec5c04cd	354	"Perform CDP network configuration",
4b58266e	355	"\n"
a3d991bd	356	);
90253178	357	#endif
a3d991bd	358
c76fe474	359	#if defined(CONFIG_CMD_SNTP)
912ece4c PR	360	static struct udp_ops sntp_ops = {
	361	.prereq = sntp_prereq,
	362	.start = sntp_start,
	363	.data = NULL,
	364	};
	365
09140113	366	int do_sntp(struct cmd_tbl cmdtp, int flag, int argc, char const argv[])
ea287deb WD	367	{
	368	char *toff;
	369
	370	if (argc < 2) {
723806cc	371	net_ntp_server = env_get_ip("ntpserverip");
049a95a7	372	if (net_ntp_server.s_addr == 0) {
088f1b19	373	printf("ntpserverip not set\n");
85848f03	374	return CMD_RET_FAILURE;
ea287deb WD	375	}
ea287deb WD	376	} else {
049a95a7 JH	377	net_ntp_server = string_to_ip(argv[1]);
049a95a7 JH	378	if (net_ntp_server.s_addr == 0) {
088f1b19	379	printf("Bad NTP server IP address\n");
85848f03	380	return CMD_RET_FAILURE;
ea287deb WD	381	}
	382	}
	383
00caae6d	384	toff = env_get("timeoffset");
088f1b19	385	if (toff == NULL)
bc0571fc	386	net_ntp_time_offset = 0;
088f1b19	387	else
bc0571fc	388	net_ntp_time_offset = simple_strtol(toff, NULL, 10);
ea287deb	389
912ece4c	390	if (udp_loop(&sntp_ops) < 0) {
d6840e3d	391	printf("SNTP failed: host %pI4 not responding\n",
4fd5055f	392	&net_ntp_server);
85848f03	393	return CMD_RET_FAILURE;
ea287deb WD	394	}
ea287deb WD	395
85848f03	396	return CMD_RET_SUCCESS;
ea287deb WD	397	}
	398
	399	U_BOOT_CMD(
	400	sntp, 2, 1, do_sntp,
2fb2604d	401	"synchronize RTC via network",
ea287deb WD	402	"[NTP server IP]\n"
ea287deb WD	403	);
90253178	404	#endif
1a32bf41 RG	405
1a32bf41 RG	406	#if defined(CONFIG_CMD_DNS)
09140113	407	int do_dns(struct cmd_tbl cmdtp, int flag, int argc, char const argv[])
1a32bf41	408	{
47e26b1b	409	if (argc == 1)
4c12eeb8	410	return CMD_RET_USAGE;
1a32bf41 RG	411
	412	/*
	413	* We should check for a valid hostname:
	414	* - Each label must be between 1 and 63 characters long
	415	* - the entire hostname has a maximum of 255 characters
	416	* - only the ASCII letters 'a' through 'z' (case-insensitive),
	417	* the digits '0' through '9', and the hyphen
	418	* - cannot begin or end with a hyphen
	419	* - no other symbols, punctuation characters, or blank spaces are
	420	* permitted
	421	* but hey - this is a minimalist implmentation, so only check length
	422	* and let the name server deal with things.
	423	*/
	424	if (strlen(argv[1]) >= 255) {
	425	printf("dns error: hostname too long\n");
85848f03	426	return CMD_RET_FAILURE;
1a32bf41 RG	427	}
1a32bf41 RG	428
786eac5f	429	net_dns_resolve = argv[1];
1a32bf41 RG	430
1a32bf41 RG	431	if (argc == 3)
786eac5f	432	net_dns_env_var = argv[2];
1a32bf41	433	else
786eac5f	434	net_dns_env_var = NULL;
1a32bf41	435
bc0571fc	436	if (net_loop(DNS) < 0) {
1a32bf41	437	printf("dns lookup of %s failed, check setup\n", argv[1]);
85848f03	438	return CMD_RET_FAILURE;
1a32bf41 RG	439	}
1a32bf41 RG	440
85848f03	441	return CMD_RET_SUCCESS;
1a32bf41 RG	442	}
	443
	444	U_BOOT_CMD(
	445	dns, 3, 1, do_dns,
	446	"lookup the IP of a hostname",
	447	"hostname [envvar]"
	448	);
	449
	450	#endif /* CONFIG_CMD_DNS */
d22c338e JH	451
d22c338e JH	452	#if defined(CONFIG_CMD_LINK_LOCAL)
09140113 SG	453	static int do_link_local(struct cmd_tbl *cmdtp, int flag, int argc,
09140113 SG	454	char *const argv[])
d22c338e JH	455	{
	456	char tmp[22];
	457
bc0571fc	458	if (net_loop(LINKLOCAL) < 0)
85848f03	459	return CMD_RET_FAILURE;
d22c338e	460
049a95a7 JH	461	net_gateway.s_addr = 0;
049a95a7 JH	462	ip_to_string(net_gateway, tmp);
382bee57	463	env_set("gatewayip", tmp);
d22c338e	464
049a95a7	465	ip_to_string(net_netmask, tmp);
382bee57	466	env_set("netmask", tmp);
d22c338e	467
049a95a7	468	ip_to_string(net_ip, tmp);
382bee57 SG	469	env_set("ipaddr", tmp);
382bee57 SG	470	env_set("llipaddr", tmp); /* store this for next time */
d22c338e	471
85848f03	472	return CMD_RET_SUCCESS;
d22c338e JH	473	}
	474
	475	U_BOOT_CMD(
	476	linklocal, 1, 1, do_link_local,
	477	"acquire a network IP address using the link-local protocol",
	478	""
	479	);
	480
	481	#endif /* CONFIG_CMD_LINK_LOCAL */
8a3987f4 TH	482
	483	#ifdef CONFIG_DM_ETH
	484	static int do_net_list(struct cmd_tbl cmdtp, int flag, int argc, char const argv[])
	485	{
	486	const struct udevice *current = eth_get_dev();
	487	unsigned char env_enetaddr[ARP_HLEN];
	488	const struct udevice *dev;
	489	struct uclass *uc;
	490
	491	uclass_id_foreach_dev(UCLASS_ETH, dev, uc) {
	492	eth_env_get_enetaddr_by_index("eth", dev_seq(dev), env_enetaddr);
	493	printf("eth%d : %s %pM %s\n", dev_seq(dev), dev->name, env_enetaddr,
	494	current == dev ? "active" : "");
	495	}
	496	return CMD_RET_SUCCESS;
	497	}
	498
	499	static struct cmd_tbl cmd_net[] = {
	500	U_BOOT_CMD_MKENT(list, 1, 0, do_net_list, "", ""),
	501	};
	502
	503	static int do_net(struct cmd_tbl cmdtp, int flag, int argc, char const argv[])
	504	{
	505	struct cmd_tbl *cp;
	506
	507	cp = find_cmd_tbl(argv[1], cmd_net, ARRAY_SIZE(cmd_net));
	508
	509	/* Drop the net command */
	510	argc--;
	511	argv++;
	512
	513	if (!cp \|\| argc > cp->maxargs)
	514	return CMD_RET_USAGE;
	515	if (flag == CMD_FLAG_REPEAT && !cmd_is_repeatable(cp))
	516	return CMD_RET_SUCCESS;
	517
	518	return cp->cmd(cmdtp, flag, argc, argv);
	519	}
	520
	521	U_BOOT_CMD(
	522	net, 2, 1, do_net,
	523	"NET sub-system",
	524	"list - list available devices\n"
	525	);
	526	#endif // CONFIG_DM_ETH