[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>
#include <net/ncsi.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

#if defined(CONFIG_CMD_NCSI)
static int do_ncsi(struct cmd_tbl *cmdtp, int flag, int argc, char * const argv[])
{
	if (!phy_interface_is_ncsi() || !ncsi_active()) {
		printf("Device not configured for NC-SI\n");
		return CMD_RET_FAILURE;
	}

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

	return CMD_RET_SUCCESS;
}

U_BOOT_CMD(
	ncsi,	1,	1,	do_ncsi,
	"Configure attached NIC via NC-SI",
	""
);
#endif  /* CONFIG_CMD_NCSI */
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>
4b290d4a	19	#include <net/ncsi.h>
3863585b	20
09140113	21	static int netboot_common(enum proto_t, struct cmd_tbl , int, char const []);
3863585b	22
d7a45eaf	23	#ifdef CONFIG_CMD_BOOTP
09140113 SG	24	static int do_bootp(struct cmd_tbl *cmdtp, int flag, int argc,
09140113 SG	25	char *const argv[])
3863585b	26	{
088f1b19	27	return netboot_common(BOOTP, cmdtp, argc, argv);
3863585b WD	28	}
3863585b WD	29
0d498393 WD	30	U_BOOT_CMD(
0d498393 WD	31	bootp, 3, 1, do_bootp,
2fb2604d	32	"boot image via network using BOOTP/TFTP protocol",
a89c33db	33	"[loadAddress] [[hostIPaddr:]bootfilename]"
8bde7f77	34	);
d7a45eaf	35	#endif
8bde7f77	36
d7a45eaf	37	#ifdef CONFIG_CMD_TFTPBOOT
09140113	38	int do_tftpb(struct cmd_tbl cmdtp, int flag, int argc, char const argv[])
3863585b	39	{
573f14fe SG	40	int ret;
	41
	42	bootstage_mark_name(BOOTSTAGE_KERNELREAD_START, "tftp_start");
	43	ret = netboot_common(TFTPGET, cmdtp, argc, argv);
	44	bootstage_mark_name(BOOTSTAGE_KERNELREAD_STOP, "tftp_done");
	45	return ret;
3863585b WD	46	}
3863585b WD	47
0d498393 WD	48	U_BOOT_CMD(
0d498393 WD	49	tftpboot, 3, 1, do_tftpb,
651031ef	50	"load file via network using TFTP protocol",
a89c33db	51	"[loadAddress] [[hostIPaddr:]bootfilename]"
8bde7f77	52	);
d7a45eaf	53	#endif
8bde7f77	54
2d46cf29	55	#ifdef CONFIG_CMD_TFTPPUT
09140113 SG	56	static int do_tftpput(struct cmd_tbl *cmdtp, int flag, int argc,
09140113 SG	57	char *const argv[])
2d46cf29	58	{
85848f03	59	return netboot_common(TFTPPUT, cmdtp, argc, argv);
2d46cf29 SG	60	}
	61
	62	U_BOOT_CMD(
	63	tftpput, 4, 1, do_tftpput,
	64	"TFTP put command, for uploading files to a server",
	65	"Address Size [[hostIPaddr:]filename]"
	66	);
	67	#endif
	68
7a83af07	69	#ifdef CONFIG_CMD_TFTPSRV
09140113 SG	70	static int do_tftpsrv(struct cmd_tbl *cmdtp, int flag, int argc,
09140113 SG	71	char *const argv[])
7a83af07 LC	72	{
	73	return netboot_common(TFTPSRV, cmdtp, argc, argv);
	74	}
	75
	76	U_BOOT_CMD(
	77	tftpsrv, 2, 1, do_tftpsrv,
	78	"act as a TFTP server and boot the first received file",
	79	"[loadAddress]\n"
	80	"Listen for an incoming TFTP transfer, receive a file and boot it.\n"
	81	"The transfer is aborted if a transfer has not been started after\n"
	82	"about 50 seconds or if Ctrl-C is pressed."
	83	);
	84	#endif
	85
	86
bf6cb247	87	#ifdef CONFIG_CMD_RARP
09140113	88	int do_rarpb(struct cmd_tbl cmdtp, int flag, int argc, char const argv[])
3863585b	89	{
088f1b19	90	return netboot_common(RARP, cmdtp, argc, argv);
3863585b WD	91	}
3863585b WD	92
0d498393 WD	93	U_BOOT_CMD(
0d498393 WD	94	rarpboot, 3, 1, do_rarpb,
2fb2604d	95	"boot image via network using RARP/TFTP protocol",
a89c33db	96	"[loadAddress] [[hostIPaddr:]bootfilename]"
8bde7f77	97	);
bf6cb247	98	#endif
8bde7f77	99
c76fe474	100	#if defined(CONFIG_CMD_DHCP)
09140113 SG	101	static int do_dhcp(struct cmd_tbl *cmdtp, int flag, int argc,
09140113 SG	102	char *const argv[])
3863585b WD	103	{
	104	return netboot_common(DHCP, cmdtp, argc, argv);
	105	}
8bde7f77	106
0d498393 WD	107	U_BOOT_CMD(
0d498393 WD	108	dhcp, 3, 1, do_dhcp,
2fb2604d	109	"boot image via network using DHCP/TFTP protocol",
a89c33db	110	"[loadAddress] [[hostIPaddr:]bootfilename]"
8bde7f77	111	);
90253178	112	#endif
3863585b	113
c76fe474	114	#if defined(CONFIG_CMD_NFS)
09140113 SG	115	static int do_nfs(struct cmd_tbl *cmdtp, int flag, int argc,
09140113 SG	116	char *const argv[])
cbd8a35c WD	117	{
	118	return netboot_common(NFS, cmdtp, argc, argv);
	119	}
	120
	121	U_BOOT_CMD(
	122	nfs, 3, 1, do_nfs,
2fb2604d	123	"boot image via network using NFS protocol",
a89c33db	124	"[loadAddress] [[hostIPaddr:]bootfilename]"
cbd8a35c	125	);
90253178	126	#endif
cbd8a35c	127
088f1b19	128	static void netboot_update_env(void)
3863585b	129	{
6e592385	130	char tmp[22];
3863585b	131
049a95a7 JH	132	if (net_gateway.s_addr) {
049a95a7 JH	133	ip_to_string(net_gateway, tmp);
382bee57	134	env_set("gatewayip", tmp);
6e592385	135	}
3863585b	136
049a95a7 JH	137	if (net_netmask.s_addr) {
049a95a7 JH	138	ip_to_string(net_netmask, tmp);
382bee57	139	env_set("netmask", tmp);
6e592385	140	}
3863585b	141
808f13d8	142	#ifdef CONFIG_CMD_BOOTP
586cbe51	143	if (net_hostname[0])
382bee57	144	env_set("hostname", net_hostname);
808f13d8	145	#endif
3863585b	146
808f13d8	147	#ifdef CONFIG_CMD_BOOTP
586cbe51	148	if (net_root_path[0])
382bee57	149	env_set("rootpath", net_root_path);
808f13d8	150	#endif
3863585b	151
049a95a7 JH	152	if (net_ip.s_addr) {
049a95a7 JH	153	ip_to_string(net_ip, tmp);
382bee57	154	env_set("ipaddr", tmp);
6e592385	155	}
a3e1a727	156	/*
ff78ad28	157	* Only attempt to change serverip if net/bootp.c:store_net_params()
a3e1a727 JH	158	* could have set it
a3e1a727 JH	159	*/
43407539	160	if (!IS_ENABLED(CONFIG_BOOTP_SERVERIP) && net_server_ip.s_addr) {
049a95a7	161	ip_to_string(net_server_ip, tmp);
382bee57	162	env_set("serverip", tmp);
6e592385	163	}
049a95a7 JH	164	if (net_dns_server.s_addr) {
049a95a7 JH	165	ip_to_string(net_dns_server, tmp);
382bee57	166	env_set("dnsip", tmp);
6e592385	167	}
1fe80d79	168	#if defined(CONFIG_BOOTP_DNS2)
049a95a7 JH	169	if (net_dns_server2.s_addr) {
049a95a7 JH	170	ip_to_string(net_dns_server2, tmp);
382bee57	171	env_set("dnsip2", tmp);
6e592385	172	}
fe389a82	173	#endif
808f13d8	174	#ifdef CONFIG_CMD_BOOTP
586cbe51	175	if (net_nis_domain[0])
382bee57	176	env_set("domain", net_nis_domain);
808f13d8	177	#endif
ea287deb	178
4fd5055f	179	#if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_TIMEOFFSET)
bc0571fc JH	180	if (net_ntp_time_offset) {
bc0571fc JH	181	sprintf(tmp, "%d", net_ntp_time_offset);
382bee57	182	env_set("timeoffset", tmp);
ea287deb WD	183	}
ea287deb WD	184	#endif
4fd5055f	185	#if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_NTPSERVER)
049a95a7 JH	186	if (net_ntp_server.s_addr) {
049a95a7 JH	187	ip_to_string(net_ntp_server, tmp);
382bee57	188	env_set("ntpserverip", tmp);
ea287deb WD	189	}
ea287deb WD	190	#endif
3863585b	191	}
6e592385	192
5f46c6eb HS	193	/**
	194	* parse_addr_size() - parse address and size arguments for tftpput
	195	*
	196	* @argv: command line arguments
	197	* Return: 0 on success
	198	*/
	199	static int parse_addr_size(char * const argv[])
3863585b	200	{
5f46c6eb HS	201	if (strict_strtoul(argv[1], 16, &image_save_addr) < 0 \|\|
	202	strict_strtoul(argv[2], 16, &image_save_size) < 0) {
	203	printf("Invalid address/size\n");
	204	return CMD_RET_USAGE;
	205	}
	206	return 0;
	207	}
449312c1	208
5f46c6eb HS	209	/**
	210	* parse_args() - parse command line arguments
	211	*
	212	* @proto: command prototype
	213	* @argc: number of arguments
	214	* @argv: command line arguments
	215	* Return: 0 on success
	216	*/
	217	static int parse_args(enum proto_t proto, int argc, char *const argv[])
	218	{
	219	ulong addr;
	220	char *end;
3863585b WD	221
	222	switch (argc) {
	223	case 1:
5f46c6eb HS	224	if (CONFIG_IS_ENABLED(CMD_TFTPPUT) && proto == TFTPPUT)
	225	return 1;
	226
f43308fa JH	227	/* refresh bootfile name from env */
	228	copy_filename(net_boot_file_name, env_get("bootfile"),
	229	sizeof(net_boot_file_name));
3863585b WD	230	break;
3863585b WD	231
5f46c6eb HS	232	case 2:
	233	if (CONFIG_IS_ENABLED(CMD_TFTPPUT) && proto == TFTPPUT)
	234	return 1;
	235	/*
2e4970d8 PT	236	* Only one arg - accept two forms:
	237	* Just load address, or just boot file name. The latter
	238	* form must be written in a format which can not be
	239	* mis-interpreted as a valid number.
3863585b	240	*/
7e5f460e	241	addr = hextoul(argv[1], &end);
449312c1	242	if (end == (argv[1] + strlen(argv[1]))) {
bb872dd9	243	image_load_addr = addr;
f43308fa JH	244	/* refresh bootfile name from env */
	245	copy_filename(net_boot_file_name, env_get("bootfile"),
	246	sizeof(net_boot_file_name));
449312c1 AG	247	} else {
449312c1 AG	248	net_boot_file_name_explicit = true;
1411157d JH	249	copy_filename(net_boot_file_name, argv[1],
1411157d JH	250	sizeof(net_boot_file_name));
449312c1	251	}
3863585b WD	252	break;
3863585b WD	253
4fd5055f	254	case 3:
5f46c6eb HS	255	if (CONFIG_IS_ENABLED(CMD_TFTPPUT) && proto == TFTPPUT) {
	256	if (parse_addr_size(argv))
	257	return 1;
	258	} else {
	259	image_load_addr = hextoul(argv[1], NULL);
	260	net_boot_file_name_explicit = true;
	261	copy_filename(net_boot_file_name, argv[2],
	262	sizeof(net_boot_file_name));
	263	}
3863585b WD	264	break;
3863585b WD	265
2d46cf29 SG	266	#ifdef CONFIG_CMD_TFTPPUT
2d46cf29 SG	267	case 4:
5f46c6eb HS	268	if (parse_addr_size(argv))
5f46c6eb HS	269	return 1;
449312c1	270	net_boot_file_name_explicit = true;
1411157d JH	271	copy_filename(net_boot_file_name, argv[3],
1411157d JH	272	sizeof(net_boot_file_name));
2d46cf29 SG	273	break;
2d46cf29 SG	274	#endif
47e26b1b	275	default:
5f46c6eb HS	276	return 1;
	277	}
	278	return 0;
	279	}
	280
	281	static int netboot_common(enum proto_t proto, struct cmd_tbl *cmdtp, int argc,
	282	char *const argv[])
	283	{
	284	char *s;
	285	int rcode = 0;
	286	int size;
	287
	288	net_boot_file_name_explicit = false;
	289	*net_boot_file_name = '\0';
	290
	291	/* pre-set image_load_addr */
	292	s = env_get("loadaddr");
	293	if (s != NULL)
	294	image_load_addr = hextoul(s, NULL);
	295
	296	if (parse_args(proto, argc, argv)) {
770605e4	297	bootstage_error(BOOTSTAGE_ID_NET_START);
4c12eeb8	298	return CMD_RET_USAGE;
3863585b	299	}
5f46c6eb	300
770605e4	301	bootstage_mark(BOOTSTAGE_ID_NET_START);
3863585b	302
bc0571fc	303	size = net_loop(proto);
4fd5055f	304	if (size < 0) {
770605e4	305	bootstage_error(BOOTSTAGE_ID_NET_NETLOOP_OK);
85848f03	306	return CMD_RET_FAILURE;
566a494f	307	}
770605e4	308	bootstage_mark(BOOTSTAGE_ID_NET_NETLOOP_OK);
3863585b	309
bc0571fc	310	/* net_loop ok, update environment */
3863585b WD	311	netboot_update_env();
3863585b WD	312
eb9401e3	313	/* done if no file was loaded (no errors though) */
566a494f	314	if (size == 0) {
770605e4	315	bootstage_error(BOOTSTAGE_ID_NET_LOADED);
85848f03	316	return CMD_RET_SUCCESS;
566a494f	317	}
eb9401e3	318
770605e4	319	bootstage_mark(BOOTSTAGE_ID_NET_LOADED);
c8e66db7	320
67d668bf	321	rcode = bootm_maybe_autostart(cmdtp, argv[0]);
3863585b	322
85848f03	323	if (rcode == CMD_RET_SUCCESS)
770605e4	324	bootstage_mark(BOOTSTAGE_ID_NET_DONE);
85848f03 JH	325	else
85848f03 JH	326	bootstage_error(BOOTSTAGE_ID_NET_DONE_ERR);
3863585b WD	327	return rcode;
	328	}
	329
c76fe474	330	#if defined(CONFIG_CMD_PING)
09140113 SG	331	static int do_ping(struct cmd_tbl *cmdtp, int flag, int argc,
09140113 SG	332	char *const argv[])
73a8b27c WD	333	{
73a8b27c WD	334	if (argc < 2)
85848f03	335	return CMD_RET_USAGE;
73a8b27c	336
049a95a7 JH	337	net_ping_ip = string_to_ip(argv[1]);
049a95a7 JH	338	if (net_ping_ip.s_addr == 0)
4c12eeb8	339	return CMD_RET_USAGE;
73a8b27c	340
bc0571fc	341	if (net_loop(PING) < 0) {
73a8b27c	342	printf("ping failed; host %s is not alive\n", argv[1]);
85848f03	343	return CMD_RET_FAILURE;
73a8b27c WD	344	}
	345
	346	printf("host %s is alive\n", argv[1]);
	347
85848f03	348	return CMD_RET_SUCCESS;
73a8b27c	349	}
6dff5529 WD	350
	351	U_BOOT_CMD(
	352	ping, 2, 1, do_ping,
2fb2604d	353	"send ICMP ECHO_REQUEST to network host",
a89c33db	354	"pingAddress"
6dff5529	355	);
90253178	356	#endif
73a8b27c	357
c76fe474	358	#if defined(CONFIG_CMD_CDP)
a3d991bd WD	359
	360	static void cdp_update_env(void)
	361	{
	362	char tmp[16];
	363
6aede5b7 JH	364	if (cdp_appliance_vlan != htons(-1)) {
	365	printf("CDP offered appliance VLAN %d\n",
	366	ntohs(cdp_appliance_vlan));
4fd5055f	367	vlan_to_string(cdp_appliance_vlan, tmp);
382bee57	368	env_set("vlan", tmp);
4fd5055f	369	net_our_vlan = cdp_appliance_vlan;
a3d991bd WD	370	}
a3d991bd WD	371
6aede5b7 JH	372	if (cdp_native_vlan != htons(-1)) {
6aede5b7 JH	373	printf("CDP offered native VLAN %d\n", ntohs(cdp_native_vlan));
4fd5055f	374	vlan_to_string(cdp_native_vlan, tmp);
382bee57	375	env_set("nvlan", tmp);
4fd5055f	376	net_native_vlan = cdp_native_vlan;
a3d991bd	377	}
a3d991bd WD	378	}
a3d991bd WD	379
09140113	380	int do_cdp(struct cmd_tbl cmdtp, int flag, int argc, char const argv[])
a3d991bd WD	381	{
	382	int r;
	383
bc0571fc	384	r = net_loop(CDP);
a3d991bd WD	385	if (r < 0) {
a3d991bd WD	386	printf("cdp failed; perhaps not a CISCO switch?\n");
85848f03	387	return CMD_RET_FAILURE;
a3d991bd WD	388	}
	389
	390	cdp_update_env();
	391
85848f03	392	return CMD_RET_SUCCESS;
a3d991bd WD	393	}
	394
	395	U_BOOT_CMD(
	396	cdp, 1, 1, do_cdp,
ec5c04cd	397	"Perform CDP network configuration",
4b58266e	398	"\n"
a3d991bd	399	);
90253178	400	#endif
a3d991bd	401
c76fe474	402	#if defined(CONFIG_CMD_SNTP)
912ece4c PR	403	static struct udp_ops sntp_ops = {
	404	.prereq = sntp_prereq,
	405	.start = sntp_start,
	406	.data = NULL,
	407	};
	408
09140113	409	int do_sntp(struct cmd_tbl cmdtp, int flag, int argc, char const argv[])
ea287deb WD	410	{
	411	char *toff;
	412
	413	if (argc < 2) {
723806cc	414	net_ntp_server = env_get_ip("ntpserverip");
049a95a7	415	if (net_ntp_server.s_addr == 0) {
088f1b19	416	printf("ntpserverip not set\n");
85848f03	417	return CMD_RET_FAILURE;
ea287deb WD	418	}
ea287deb WD	419	} else {
049a95a7 JH	420	net_ntp_server = string_to_ip(argv[1]);
049a95a7 JH	421	if (net_ntp_server.s_addr == 0) {
088f1b19	422	printf("Bad NTP server IP address\n");
85848f03	423	return CMD_RET_FAILURE;
ea287deb WD	424	}
	425	}
	426
00caae6d	427	toff = env_get("timeoffset");
088f1b19	428	if (toff == NULL)
bc0571fc	429	net_ntp_time_offset = 0;
088f1b19	430	else
bc0571fc	431	net_ntp_time_offset = simple_strtol(toff, NULL, 10);
ea287deb	432
912ece4c	433	if (udp_loop(&sntp_ops) < 0) {
d6840e3d	434	printf("SNTP failed: host %pI4 not responding\n",
4fd5055f	435	&net_ntp_server);
85848f03	436	return CMD_RET_FAILURE;
ea287deb WD	437	}
ea287deb WD	438
85848f03	439	return CMD_RET_SUCCESS;
ea287deb WD	440	}
	441
	442	U_BOOT_CMD(
	443	sntp, 2, 1, do_sntp,
2fb2604d	444	"synchronize RTC via network",
ea287deb WD	445	"[NTP server IP]\n"
ea287deb WD	446	);
90253178	447	#endif
1a32bf41 RG	448
1a32bf41 RG	449	#if defined(CONFIG_CMD_DNS)
09140113	450	int do_dns(struct cmd_tbl cmdtp, int flag, int argc, char const argv[])
1a32bf41	451	{
47e26b1b	452	if (argc == 1)
4c12eeb8	453	return CMD_RET_USAGE;
1a32bf41 RG	454
	455	/*
	456	* We should check for a valid hostname:
	457	* - Each label must be between 1 and 63 characters long
	458	* - the entire hostname has a maximum of 255 characters
	459	* - only the ASCII letters 'a' through 'z' (case-insensitive),
	460	* the digits '0' through '9', and the hyphen
	461	* - cannot begin or end with a hyphen
	462	* - no other symbols, punctuation characters, or blank spaces are
	463	* permitted
	464	* but hey - this is a minimalist implmentation, so only check length
	465	* and let the name server deal with things.
	466	*/
	467	if (strlen(argv[1]) >= 255) {
	468	printf("dns error: hostname too long\n");
85848f03	469	return CMD_RET_FAILURE;
1a32bf41 RG	470	}
1a32bf41 RG	471
786eac5f	472	net_dns_resolve = argv[1];
1a32bf41 RG	473
1a32bf41 RG	474	if (argc == 3)
786eac5f	475	net_dns_env_var = argv[2];
1a32bf41	476	else
786eac5f	477	net_dns_env_var = NULL;
1a32bf41	478
bc0571fc	479	if (net_loop(DNS) < 0) {
1a32bf41	480	printf("dns lookup of %s failed, check setup\n", argv[1]);
85848f03	481	return CMD_RET_FAILURE;
1a32bf41 RG	482	}
1a32bf41 RG	483
85848f03	484	return CMD_RET_SUCCESS;
1a32bf41 RG	485	}
	486
	487	U_BOOT_CMD(
	488	dns, 3, 1, do_dns,
	489	"lookup the IP of a hostname",
	490	"hostname [envvar]"
	491	);
	492
	493	#endif /* CONFIG_CMD_DNS */
d22c338e JH	494
d22c338e JH	495	#if defined(CONFIG_CMD_LINK_LOCAL)
09140113 SG	496	static int do_link_local(struct cmd_tbl *cmdtp, int flag, int argc,
09140113 SG	497	char *const argv[])
d22c338e JH	498	{
	499	char tmp[22];
	500
bc0571fc	501	if (net_loop(LINKLOCAL) < 0)
85848f03	502	return CMD_RET_FAILURE;
d22c338e	503
049a95a7 JH	504	net_gateway.s_addr = 0;
049a95a7 JH	505	ip_to_string(net_gateway, tmp);
382bee57	506	env_set("gatewayip", tmp);
d22c338e	507
049a95a7	508	ip_to_string(net_netmask, tmp);
382bee57	509	env_set("netmask", tmp);
d22c338e	510
049a95a7	511	ip_to_string(net_ip, tmp);
382bee57 SG	512	env_set("ipaddr", tmp);
382bee57 SG	513	env_set("llipaddr", tmp); /* store this for next time */
d22c338e	514
85848f03	515	return CMD_RET_SUCCESS;
d22c338e JH	516	}
	517
	518	U_BOOT_CMD(
	519	linklocal, 1, 1, do_link_local,
	520	"acquire a network IP address using the link-local protocol",
	521	""
	522	);
	523
	524	#endif /* CONFIG_CMD_LINK_LOCAL */
8a3987f4 TH	525
	526	#ifdef CONFIG_DM_ETH
	527	static int do_net_list(struct cmd_tbl cmdtp, int flag, int argc, char const argv[])
	528	{
	529	const struct udevice *current = eth_get_dev();
	530	unsigned char env_enetaddr[ARP_HLEN];
	531	const struct udevice *dev;
	532	struct uclass *uc;
	533
	534	uclass_id_foreach_dev(UCLASS_ETH, dev, uc) {
	535	eth_env_get_enetaddr_by_index("eth", dev_seq(dev), env_enetaddr);
	536	printf("eth%d : %s %pM %s\n", dev_seq(dev), dev->name, env_enetaddr,
	537	current == dev ? "active" : "");
	538	}
	539	return CMD_RET_SUCCESS;
	540	}
	541
	542	static struct cmd_tbl cmd_net[] = {
	543	U_BOOT_CMD_MKENT(list, 1, 0, do_net_list, "", ""),
	544	};
	545
	546	static int do_net(struct cmd_tbl cmdtp, int flag, int argc, char const argv[])
	547	{
	548	struct cmd_tbl *cp;
	549
	550	cp = find_cmd_tbl(argv[1], cmd_net, ARRAY_SIZE(cmd_net));
	551
	552	/* Drop the net command */
	553	argc--;
	554	argv++;
	555
	556	if (!cp \|\| argc > cp->maxargs)
	557	return CMD_RET_USAGE;
	558	if (flag == CMD_FLAG_REPEAT && !cmd_is_repeatable(cp))
	559	return CMD_RET_SUCCESS;
	560
	561	return cp->cmd(cmdtp, flag, argc, argv);
	562	}
	563
	564	U_BOOT_CMD(
	565	net, 2, 1, do_net,
	566	"NET sub-system",
	567	"list - list available devices\n"
	568	);
	569	#endif // CONFIG_DM_ETH
4b290d4a SMJ	570
	571	#if defined(CONFIG_CMD_NCSI)
	572	static int do_ncsi(struct cmd_tbl cmdtp, int flag, int argc, char const argv[])
	573	{
	574	if (!phy_interface_is_ncsi() \|\| !ncsi_active()) {
	575	printf("Device not configured for NC-SI\n");
	576	return CMD_RET_FAILURE;
	577	}
	578
	579	if (net_loop(NCSI) < 0)
	580	return CMD_RET_FAILURE;
	581
	582	return CMD_RET_SUCCESS;
	583	}
	584
	585	U_BOOT_CMD(
	586	ncsi, 1, 1, do_ncsi,
	587	"Configure attached NIC via NC-SI",
	588	""
	589	);
	590	#endif /* CONFIG_CMD_NCSI */