[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,
	"load file 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
}

/**
 * parse_addr_size() - parse address and size arguments for tftpput
 *
 * @argv:	command line arguments
 * Return:	0 on success
 */
static int parse_addr_size(char * const argv[])
{
	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;
	}
	return 0;
}

/**
 * parse_args() - parse command line arguments
 *
 * @proto:	command prototype
 * @argc:	number of arguments
 * @argv:	command line arguments
 * Return:	0 on success
 */
static int parse_args(enum proto_t proto, int argc, char *const argv[])
{
	ulong addr;
	char *end;

	switch (argc) {
	case 1:
		if (CONFIG_IS_ENABLED(CMD_TFTPPUT) && proto == TFTPPUT)
			return 1;

		/* refresh bootfile name from env */
		copy_filename(net_boot_file_name, env_get("bootfile"),
			      sizeof(net_boot_file_name));
		break;

	case 2:
		if (CONFIG_IS_ENABLED(CMD_TFTPPUT) && proto == TFTPPUT)
			return 1;
		/*
		 * 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:
		if (CONFIG_IS_ENABLED(CMD_TFTPPUT) && proto == TFTPPUT) {
			if (parse_addr_size(argv))
				return 1;
		} else {
			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 (parse_addr_size(argv))
			return 1;
		net_boot_file_name_explicit = true;
		copy_filename(net_boot_file_name, argv[3],
			      sizeof(net_boot_file_name));
		break;
#endif
	default:
		return 1;
	}
	return 0;
}

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

	net_boot_file_name_explicit = false;
	*net_boot_file_name = '\0';

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

	if (parse_args(proto, argc, argv)) {
		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,
651031ef	49	"load file 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
5f46c6eb HS	192	/**
	193	* parse_addr_size() - parse address and size arguments for tftpput
	194	*
	195	* @argv: command line arguments
	196	* Return: 0 on success
	197	*/
	198	static int parse_addr_size(char * const argv[])
3863585b	199	{
5f46c6eb HS	200	if (strict_strtoul(argv[1], 16, &image_save_addr) < 0 \|\|
	201	strict_strtoul(argv[2], 16, &image_save_size) < 0) {
	202	printf("Invalid address/size\n");
	203	return CMD_RET_USAGE;
	204	}
	205	return 0;
	206	}
449312c1	207
5f46c6eb HS	208	/**
	209	* parse_args() - parse command line arguments
	210	*
	211	* @proto: command prototype
	212	* @argc: number of arguments
	213	* @argv: command line arguments
	214	* Return: 0 on success
	215	*/
	216	static int parse_args(enum proto_t proto, int argc, char *const argv[])
	217	{
	218	ulong addr;
	219	char *end;
3863585b WD	220
	221	switch (argc) {
	222	case 1:
5f46c6eb HS	223	if (CONFIG_IS_ENABLED(CMD_TFTPPUT) && proto == TFTPPUT)
	224	return 1;
	225
f43308fa JH	226	/* refresh bootfile name from env */
	227	copy_filename(net_boot_file_name, env_get("bootfile"),
	228	sizeof(net_boot_file_name));
3863585b WD	229	break;
3863585b WD	230
5f46c6eb HS	231	case 2:
	232	if (CONFIG_IS_ENABLED(CMD_TFTPPUT) && proto == TFTPPUT)
	233	return 1;
	234	/*
2e4970d8 PT	235	* Only one arg - accept two forms:
	236	* Just load address, or just boot file name. The latter
	237	* form must be written in a format which can not be
	238	* mis-interpreted as a valid number.
3863585b	239	*/
7e5f460e	240	addr = hextoul(argv[1], &end);
449312c1	241	if (end == (argv[1] + strlen(argv[1]))) {
bb872dd9	242	image_load_addr = addr;
f43308fa JH	243	/* refresh bootfile name from env */
	244	copy_filename(net_boot_file_name, env_get("bootfile"),
	245	sizeof(net_boot_file_name));
449312c1 AG	246	} else {
449312c1 AG	247	net_boot_file_name_explicit = true;
1411157d JH	248	copy_filename(net_boot_file_name, argv[1],
1411157d JH	249	sizeof(net_boot_file_name));
449312c1	250	}
3863585b WD	251	break;
3863585b WD	252
4fd5055f	253	case 3:
5f46c6eb HS	254	if (CONFIG_IS_ENABLED(CMD_TFTPPUT) && proto == TFTPPUT) {
	255	if (parse_addr_size(argv))
	256	return 1;
	257	} else {
	258	image_load_addr = hextoul(argv[1], NULL);
	259	net_boot_file_name_explicit = true;
	260	copy_filename(net_boot_file_name, argv[2],
	261	sizeof(net_boot_file_name));
	262	}
3863585b WD	263	break;
3863585b WD	264
2d46cf29 SG	265	#ifdef CONFIG_CMD_TFTPPUT
2d46cf29 SG	266	case 4:
5f46c6eb HS	267	if (parse_addr_size(argv))
5f46c6eb HS	268	return 1;
449312c1	269	net_boot_file_name_explicit = true;
1411157d JH	270	copy_filename(net_boot_file_name, argv[3],
1411157d JH	271	sizeof(net_boot_file_name));
2d46cf29 SG	272	break;
2d46cf29 SG	273	#endif
47e26b1b	274	default:
5f46c6eb HS	275	return 1;
	276	}
	277	return 0;
	278	}
	279
	280	static int netboot_common(enum proto_t proto, struct cmd_tbl *cmdtp, int argc,
	281	char *const argv[])
	282	{
	283	char *s;
	284	int rcode = 0;
	285	int size;
	286
	287	net_boot_file_name_explicit = false;
	288	*net_boot_file_name = '\0';
	289
	290	/* pre-set image_load_addr */
	291	s = env_get("loadaddr");
	292	if (s != NULL)
	293	image_load_addr = hextoul(s, NULL);
	294
	295	if (parse_args(proto, argc, argv)) {
770605e4	296	bootstage_error(BOOTSTAGE_ID_NET_START);
4c12eeb8	297	return CMD_RET_USAGE;
3863585b	298	}
5f46c6eb	299
770605e4	300	bootstage_mark(BOOTSTAGE_ID_NET_START);
3863585b	301
bc0571fc	302	size = net_loop(proto);
4fd5055f	303	if (size < 0) {
770605e4	304	bootstage_error(BOOTSTAGE_ID_NET_NETLOOP_OK);
85848f03	305	return CMD_RET_FAILURE;
566a494f	306	}
770605e4	307	bootstage_mark(BOOTSTAGE_ID_NET_NETLOOP_OK);
3863585b	308
bc0571fc	309	/* net_loop ok, update environment */
3863585b WD	310	netboot_update_env();
3863585b WD	311
eb9401e3	312	/* done if no file was loaded (no errors though) */
566a494f	313	if (size == 0) {
770605e4	314	bootstage_error(BOOTSTAGE_ID_NET_LOADED);
85848f03	315	return CMD_RET_SUCCESS;
566a494f	316	}
eb9401e3	317
770605e4	318	bootstage_mark(BOOTSTAGE_ID_NET_LOADED);
c8e66db7	319
67d668bf	320	rcode = bootm_maybe_autostart(cmdtp, argv[0]);
3863585b	321
85848f03	322	if (rcode == CMD_RET_SUCCESS)
770605e4	323	bootstage_mark(BOOTSTAGE_ID_NET_DONE);
85848f03 JH	324	else
85848f03 JH	325	bootstage_error(BOOTSTAGE_ID_NET_DONE_ERR);
3863585b WD	326	return rcode;
	327	}
	328
c76fe474	329	#if defined(CONFIG_CMD_PING)
09140113 SG	330	static int do_ping(struct cmd_tbl *cmdtp, int flag, int argc,
09140113 SG	331	char *const argv[])
73a8b27c WD	332	{
73a8b27c WD	333	if (argc < 2)
85848f03	334	return CMD_RET_USAGE;
73a8b27c	335
049a95a7 JH	336	net_ping_ip = string_to_ip(argv[1]);
049a95a7 JH	337	if (net_ping_ip.s_addr == 0)
4c12eeb8	338	return CMD_RET_USAGE;
73a8b27c	339
bc0571fc	340	if (net_loop(PING) < 0) {
73a8b27c	341	printf("ping failed; host %s is not alive\n", argv[1]);
85848f03	342	return CMD_RET_FAILURE;
73a8b27c WD	343	}
	344
	345	printf("host %s is alive\n", argv[1]);
	346
85848f03	347	return CMD_RET_SUCCESS;
73a8b27c	348	}
6dff5529 WD	349
	350	U_BOOT_CMD(
	351	ping, 2, 1, do_ping,
2fb2604d	352	"send ICMP ECHO_REQUEST to network host",
a89c33db	353	"pingAddress"
6dff5529	354	);
90253178	355	#endif
73a8b27c	356
c76fe474	357	#if defined(CONFIG_CMD_CDP)
a3d991bd WD	358
	359	static void cdp_update_env(void)
	360	{
	361	char tmp[16];
	362
6aede5b7 JH	363	if (cdp_appliance_vlan != htons(-1)) {
	364	printf("CDP offered appliance VLAN %d\n",
	365	ntohs(cdp_appliance_vlan));
4fd5055f	366	vlan_to_string(cdp_appliance_vlan, tmp);
382bee57	367	env_set("vlan", tmp);
4fd5055f	368	net_our_vlan = cdp_appliance_vlan;
a3d991bd WD	369	}
a3d991bd WD	370
6aede5b7 JH	371	if (cdp_native_vlan != htons(-1)) {
6aede5b7 JH	372	printf("CDP offered native VLAN %d\n", ntohs(cdp_native_vlan));
4fd5055f	373	vlan_to_string(cdp_native_vlan, tmp);
382bee57	374	env_set("nvlan", tmp);
4fd5055f	375	net_native_vlan = cdp_native_vlan;
a3d991bd	376	}
a3d991bd WD	377	}
a3d991bd WD	378
09140113	379	int do_cdp(struct cmd_tbl cmdtp, int flag, int argc, char const argv[])
a3d991bd WD	380	{
	381	int r;
	382
bc0571fc	383	r = net_loop(CDP);
a3d991bd WD	384	if (r < 0) {
a3d991bd WD	385	printf("cdp failed; perhaps not a CISCO switch?\n");
85848f03	386	return CMD_RET_FAILURE;
a3d991bd WD	387	}
	388
	389	cdp_update_env();
	390
85848f03	391	return CMD_RET_SUCCESS;
a3d991bd WD	392	}
	393
	394	U_BOOT_CMD(
	395	cdp, 1, 1, do_cdp,
ec5c04cd	396	"Perform CDP network configuration",
4b58266e	397	"\n"
a3d991bd	398	);
90253178	399	#endif
a3d991bd	400
c76fe474	401	#if defined(CONFIG_CMD_SNTP)
912ece4c PR	402	static struct udp_ops sntp_ops = {
	403	.prereq = sntp_prereq,
	404	.start = sntp_start,
	405	.data = NULL,
	406	};
	407
09140113	408	int do_sntp(struct cmd_tbl cmdtp, int flag, int argc, char const argv[])
ea287deb WD	409	{
	410	char *toff;
	411
	412	if (argc < 2) {
723806cc	413	net_ntp_server = env_get_ip("ntpserverip");
049a95a7	414	if (net_ntp_server.s_addr == 0) {
088f1b19	415	printf("ntpserverip not set\n");
85848f03	416	return CMD_RET_FAILURE;
ea287deb WD	417	}
ea287deb WD	418	} else {
049a95a7 JH	419	net_ntp_server = string_to_ip(argv[1]);
049a95a7 JH	420	if (net_ntp_server.s_addr == 0) {
088f1b19	421	printf("Bad NTP server IP address\n");
85848f03	422	return CMD_RET_FAILURE;
ea287deb WD	423	}
	424	}
	425
00caae6d	426	toff = env_get("timeoffset");
088f1b19	427	if (toff == NULL)
bc0571fc	428	net_ntp_time_offset = 0;
088f1b19	429	else
bc0571fc	430	net_ntp_time_offset = simple_strtol(toff, NULL, 10);
ea287deb	431
912ece4c	432	if (udp_loop(&sntp_ops) < 0) {
d6840e3d	433	printf("SNTP failed: host %pI4 not responding\n",
4fd5055f	434	&net_ntp_server);
85848f03	435	return CMD_RET_FAILURE;
ea287deb WD	436	}
ea287deb WD	437
85848f03	438	return CMD_RET_SUCCESS;
ea287deb WD	439	}
	440
	441	U_BOOT_CMD(
	442	sntp, 2, 1, do_sntp,
2fb2604d	443	"synchronize RTC via network",
ea287deb WD	444	"[NTP server IP]\n"
ea287deb WD	445	);
90253178	446	#endif
1a32bf41 RG	447
1a32bf41 RG	448	#if defined(CONFIG_CMD_DNS)
09140113	449	int do_dns(struct cmd_tbl cmdtp, int flag, int argc, char const argv[])
1a32bf41	450	{
47e26b1b	451	if (argc == 1)
4c12eeb8	452	return CMD_RET_USAGE;
1a32bf41 RG	453
	454	/*
	455	* We should check for a valid hostname:
	456	* - Each label must be between 1 and 63 characters long
	457	* - the entire hostname has a maximum of 255 characters
	458	* - only the ASCII letters 'a' through 'z' (case-insensitive),
	459	* the digits '0' through '9', and the hyphen
	460	* - cannot begin or end with a hyphen
	461	* - no other symbols, punctuation characters, or blank spaces are
	462	* permitted
	463	* but hey - this is a minimalist implmentation, so only check length
	464	* and let the name server deal with things.
	465	*/
	466	if (strlen(argv[1]) >= 255) {
	467	printf("dns error: hostname too long\n");
85848f03	468	return CMD_RET_FAILURE;
1a32bf41 RG	469	}
1a32bf41 RG	470
786eac5f	471	net_dns_resolve = argv[1];
1a32bf41 RG	472
1a32bf41 RG	473	if (argc == 3)
786eac5f	474	net_dns_env_var = argv[2];
1a32bf41	475	else
786eac5f	476	net_dns_env_var = NULL;
1a32bf41	477
bc0571fc	478	if (net_loop(DNS) < 0) {
1a32bf41	479	printf("dns lookup of %s failed, check setup\n", argv[1]);
85848f03	480	return CMD_RET_FAILURE;
1a32bf41 RG	481	}
1a32bf41 RG	482
85848f03	483	return CMD_RET_SUCCESS;
1a32bf41 RG	484	}
	485
	486	U_BOOT_CMD(
	487	dns, 3, 1, do_dns,
	488	"lookup the IP of a hostname",
	489	"hostname [envvar]"
	490	);
	491
	492	#endif /* CONFIG_CMD_DNS */
d22c338e JH	493
d22c338e JH	494	#if defined(CONFIG_CMD_LINK_LOCAL)
09140113 SG	495	static int do_link_local(struct cmd_tbl *cmdtp, int flag, int argc,
09140113 SG	496	char *const argv[])
d22c338e JH	497	{
	498	char tmp[22];
	499
bc0571fc	500	if (net_loop(LINKLOCAL) < 0)
85848f03	501	return CMD_RET_FAILURE;
d22c338e	502
049a95a7 JH	503	net_gateway.s_addr = 0;
049a95a7 JH	504	ip_to_string(net_gateway, tmp);
382bee57	505	env_set("gatewayip", tmp);
d22c338e	506
049a95a7	507	ip_to_string(net_netmask, tmp);
382bee57	508	env_set("netmask", tmp);
d22c338e	509
049a95a7	510	ip_to_string(net_ip, tmp);
382bee57 SG	511	env_set("ipaddr", tmp);
382bee57 SG	512	env_set("llipaddr", tmp); /* store this for next time */
d22c338e	513
85848f03	514	return CMD_RET_SUCCESS;
d22c338e JH	515	}
	516
	517	U_BOOT_CMD(
	518	linklocal, 1, 1, do_link_local,
	519	"acquire a network IP address using the link-local protocol",
	520	""
	521	);
	522
	523	#endif /* CONFIG_CMD_LINK_LOCAL */
8a3987f4 TH	524
	525	#ifdef CONFIG_DM_ETH
	526	static int do_net_list(struct cmd_tbl cmdtp, int flag, int argc, char const argv[])
	527	{
	528	const struct udevice *current = eth_get_dev();
	529	unsigned char env_enetaddr[ARP_HLEN];
	530	const struct udevice *dev;
	531	struct uclass *uc;
	532
	533	uclass_id_foreach_dev(UCLASS_ETH, dev, uc) {
	534	eth_env_get_enetaddr_by_index("eth", dev_seq(dev), env_enetaddr);
	535	printf("eth%d : %s %pM %s\n", dev_seq(dev), dev->name, env_enetaddr,
	536	current == dev ? "active" : "");
	537	}
	538	return CMD_RET_SUCCESS;
	539	}
	540
	541	static struct cmd_tbl cmd_net[] = {
	542	U_BOOT_CMD_MKENT(list, 1, 0, do_net_list, "", ""),
	543	};
	544
	545	static int do_net(struct cmd_tbl cmdtp, int flag, int argc, char const argv[])
	546	{
	547	struct cmd_tbl *cp;
	548
	549	cp = find_cmd_tbl(argv[1], cmd_net, ARRAY_SIZE(cmd_net));
	550
	551	/* Drop the net command */
	552	argc--;
	553	argv++;
	554
	555	if (!cp \|\| argc > cp->maxargs)
	556	return CMD_RET_USAGE;
	557	if (flag == CMD_FLAG_REPEAT && !cmd_is_repeatable(cp))
	558	return CMD_RET_SUCCESS;
	559
	560	return cp->cmd(cmdtp, flag, argc, argv);
	561	}
	562
	563	U_BOOT_CMD(
	564	net, 2, 1, do_net,
	565	"NET sub-system",
	566	"list - list available devices\n"
	567	);
	568	#endif // CONFIG_DM_ETH