[thirdparty/u-boot.git] / net / eth_common.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * (C) Copyright 2001-2015
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 * Joe Hershberger, National Instruments
 */

#include <common.h>
#include <bootstage.h>
#include <dm.h>
#include <env.h>
#include <miiphy.h>
#include <net.h>
#include "eth_internal.h"

int eth_env_get_enetaddr_by_index(const char *base_name, int index,
				 uchar *enetaddr)
{
	char enetvar[32];
	sprintf(enetvar, index ? "%s%daddr" : "%saddr", base_name, index);
	return eth_env_get_enetaddr(enetvar, enetaddr);
}

int eth_env_set_enetaddr_by_index(const char *base_name, int index,
				 uchar *enetaddr)
{
	char enetvar[32];
	sprintf(enetvar, index ? "%s%daddr" : "%saddr", base_name, index);
	return eth_env_set_enetaddr(enetvar, enetaddr);
}

void eth_common_init(void)
{
	bootstage_mark(BOOTSTAGE_ID_NET_ETH_START);
#if CONFIG_IS_ENABLED(ETH)
#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) || defined(CONFIG_PHYLIB)
	miiphy_init();
#endif

#if defined(CONFIG_NEEDS_MANUAL_RELOC) && defined(CONFIG_PHYLIB)
	phy_init();
#endif
#endif
}

int eth_mac_skip(int index)
{
	char enetvar[15];
	char *skip_state;

	sprintf(enetvar, index ? "eth%dmacskip" : "ethmacskip", index);
	skip_state = env_get(enetvar);
	return skip_state != NULL;
}

void eth_current_changed(void)
{
	char *act = env_get("ethact");
	char *ethrotate;

	/*
	 * The call to eth_get_dev() below has a side effect of rotating
	 * ethernet device if uc_priv->current == NULL. This is not what
	 * we want when 'ethrotate' variable is 'no'.
	 */
	ethrotate = env_get("ethrotate");
	if ((ethrotate != NULL) && (strcmp(ethrotate, "no") == 0))
		return;

	/* update current ethernet name */
	if (eth_get_dev()) {
		if (act == NULL || strcmp(act, eth_get_name()) != 0)
			env_set("ethact", eth_get_name());
	}
	/*
	 * remove the variable completely if there is no active
	 * interface
	 */
	else if (act != NULL)
		env_set("ethact", NULL);
}

void eth_try_another(int first_restart)
{
	static void *first_failed;
	char *ethrotate;

	/*
	 * Do not rotate between network interfaces when
	 * 'ethrotate' variable is set to 'no'.
	 */
	ethrotate = env_get("ethrotate");
	if ((ethrotate != NULL) && (strcmp(ethrotate, "no") == 0))
		return;

	if (!eth_get_dev())
		return;

	if (first_restart)
		first_failed = eth_get_dev();

	eth_set_current_to_next();

	eth_current_changed();

	if (first_failed == eth_get_dev())
		net_restart_wrap = 1;
}

void eth_set_current(void)
{
	static char *act;
	static int  env_changed_id;
	int	env_id;

	env_id = env_get_id();
	if ((act == NULL) || (env_changed_id != env_id)) {
		act = env_get("ethact");
		env_changed_id = env_id;
	}

	if (act == NULL) {
		char *ethprime = env_get("ethprime");
		void *dev = NULL;

		if (ethprime)
			dev = eth_get_dev_by_name(ethprime);
		if (dev)
			eth_set_dev(dev);
		else
			eth_set_dev(NULL);
	} else {
		eth_set_dev(eth_get_dev_by_name(act));
	}

	eth_current_changed();
}

const char *eth_get_name(void)
{
	return eth_get_dev() ? eth_get_dev()->name : "unknown";
}
Commit	Line	Data
83d290c5	1	// SPDX-License-Identifier: GPL-2.0+
818f91eb SG	2	/*
	3	* (C) Copyright 2001-2015
	4	* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
	5	* Joe Hershberger, National Instruments
818f91eb SG	6	*/
	7
	8	#include <common.h>
52f24238	9	#include <bootstage.h>
8607a6bf	10	#include <dm.h>
f1f0ae6a	11	#include <env.h>
818f91eb	12	#include <miiphy.h>
8607a6bf	13	#include <net.h>
818f91eb SG	14	#include "eth_internal.h"
818f91eb SG	15
35affd7a	16	int eth_env_get_enetaddr_by_index(const char *base_name, int index,
9987ecdd SG	17	uchar *enetaddr)
	18	{
	19	char enetvar[32];
	20	sprintf(enetvar, index ? "%s%daddr" : "%saddr", base_name, index);
35affd7a	21	return eth_env_get_enetaddr(enetvar, enetaddr);
9987ecdd SG	22	}
9987ecdd SG	23
fd1e959e	24	int eth_env_set_enetaddr_by_index(const char *base_name, int index,
9987ecdd SG	25	uchar *enetaddr)
	26	{
	27	char enetvar[32];
	28	sprintf(enetvar, index ? "%s%daddr" : "%saddr", base_name, index);
fd1e959e	29	return eth_env_set_enetaddr(enetvar, enetaddr);
9987ecdd SG	30	}
9987ecdd SG	31
818f91eb SG	32	void eth_common_init(void)
	33	{
	34	bootstage_mark(BOOTSTAGE_ID_NET_ETH_START);
9f664920	35	#if CONFIG_IS_ENABLED(ETH)
818f91eb SG	36	#if defined(CONFIG_MII) \|\| defined(CONFIG_CMD_MII) \|\| defined(CONFIG_PHYLIB)
	37	miiphy_init();
	38	#endif
	39
9461d73d	40	#if defined(CONFIG_NEEDS_MANUAL_RELOC) && defined(CONFIG_PHYLIB)
818f91eb SG	41	phy_init();
818f91eb SG	42	#endif
9f664920	43	#endif
818f91eb	44	}
8607a6bf SG	45
	46	int eth_mac_skip(int index)
	47	{
	48	char enetvar[15];
	49	char *skip_state;
	50
	51	sprintf(enetvar, index ? "eth%dmacskip" : "ethmacskip", index);
00caae6d	52	skip_state = env_get(enetvar);
8607a6bf SG	53	return skip_state != NULL;
	54	}
	55
	56	void eth_current_changed(void)
	57	{
00caae6d	58	char *act = env_get("ethact");
8607a6bf SG	59	char *ethrotate;
	60
	61	/*
	62	* The call to eth_get_dev() below has a side effect of rotating
	63	* ethernet device if uc_priv->current == NULL. This is not what
	64	* we want when 'ethrotate' variable is 'no'.
	65	*/
00caae6d	66	ethrotate = env_get("ethrotate");
8607a6bf SG	67	if ((ethrotate != NULL) && (strcmp(ethrotate, "no") == 0))
	68	return;
	69
	70	/* update current ethernet name */
	71	if (eth_get_dev()) {
	72	if (act == NULL \|\| strcmp(act, eth_get_name()) != 0)
382bee57	73	env_set("ethact", eth_get_name());
8607a6bf SG	74	}
	75	/*
	76	* remove the variable completely if there is no active
	77	* interface
	78	*/
	79	else if (act != NULL)
382bee57	80	env_set("ethact", NULL);
8607a6bf SG	81	}
	82
	83	void eth_try_another(int first_restart)
	84	{
	85	static void *first_failed;
	86	char *ethrotate;
	87
	88	/*
	89	* Do not rotate between network interfaces when
	90	* 'ethrotate' variable is set to 'no'.
	91	*/
00caae6d	92	ethrotate = env_get("ethrotate");
8607a6bf SG	93	if ((ethrotate != NULL) && (strcmp(ethrotate, "no") == 0))
	94	return;
	95
	96	if (!eth_get_dev())
	97	return;
	98
	99	if (first_restart)
	100	first_failed = eth_get_dev();
	101
	102	eth_set_current_to_next();
	103
	104	eth_current_changed();
	105
	106	if (first_failed == eth_get_dev())
	107	net_restart_wrap = 1;
	108	}
	109
	110	void eth_set_current(void)
	111	{
	112	static char *act;
	113	static int env_changed_id;
	114	int env_id;
	115
f1f0ae6a	116	env_id = env_get_id();
8607a6bf	117	if ((act == NULL) \|\| (env_changed_id != env_id)) {
00caae6d	118	act = env_get("ethact");
8607a6bf SG	119	env_changed_id = env_id;
	120	}
	121
	122	if (act == NULL) {
00caae6d	123	char *ethprime = env_get("ethprime");
8607a6bf SG	124	void *dev = NULL;
	125
	126	if (ethprime)
	127	dev = eth_get_dev_by_name(ethprime);
	128	if (dev)
	129	eth_set_dev(dev);
	130	else
	131	eth_set_dev(NULL);
	132	} else {
	133	eth_set_dev(eth_get_dev_by_name(act));
	134	}
	135
	136	eth_current_changed();
	137	}
	138
	139	const char *eth_get_name(void)
	140	{
	141	return eth_get_dev() ? eth_get_dev()->name : "unknown";
	142	}