[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 <dm.h>
#include <environment.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 defined(CONFIG_MII) || defined(CONFIG_CMD_MII) || defined(CONFIG_PHYLIB)
	miiphy_init();
#endif

#ifdef CONFIG_PHYLIB
	phy_init();
#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 = get_env_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>
8607a6bf	9	#include <dm.h>
9925f1db	10	#include <environment.h>
818f91eb	11	#include <miiphy.h>
8607a6bf	12	#include <net.h>
818f91eb SG	13	#include "eth_internal.h"
818f91eb SG	14
35affd7a	15	int eth_env_get_enetaddr_by_index(const char *base_name, int index,
9987ecdd SG	16	uchar *enetaddr)
	17	{
	18	char enetvar[32];
	19	sprintf(enetvar, index ? "%s%daddr" : "%saddr", base_name, index);
35affd7a	20	return eth_env_get_enetaddr(enetvar, enetaddr);
9987ecdd SG	21	}
9987ecdd SG	22
fd1e959e	23	int eth_env_set_enetaddr_by_index(const char *base_name, int index,
9987ecdd SG	24	uchar *enetaddr)
	25	{
	26	char enetvar[32];
	27	sprintf(enetvar, index ? "%s%daddr" : "%saddr", base_name, index);
fd1e959e	28	return eth_env_set_enetaddr(enetvar, enetaddr);
9987ecdd SG	29	}
9987ecdd SG	30
818f91eb SG	31	void eth_common_init(void)
	32	{
	33	bootstage_mark(BOOTSTAGE_ID_NET_ETH_START);
	34	#if defined(CONFIG_MII) \|\| defined(CONFIG_CMD_MII) \|\| defined(CONFIG_PHYLIB)
	35	miiphy_init();
	36	#endif
	37
	38	#ifdef CONFIG_PHYLIB
	39	phy_init();
	40	#endif
	41	}
8607a6bf SG	42
	43	int eth_mac_skip(int index)
	44	{
	45	char enetvar[15];
	46	char *skip_state;
	47
	48	sprintf(enetvar, index ? "eth%dmacskip" : "ethmacskip", index);
00caae6d	49	skip_state = env_get(enetvar);
8607a6bf SG	50	return skip_state != NULL;
	51	}
	52
	53	void eth_current_changed(void)
	54	{
00caae6d	55	char *act = env_get("ethact");
8607a6bf SG	56	char *ethrotate;
	57
	58	/*
	59	* The call to eth_get_dev() below has a side effect of rotating
	60	* ethernet device if uc_priv->current == NULL. This is not what
	61	* we want when 'ethrotate' variable is 'no'.
	62	*/
00caae6d	63	ethrotate = env_get("ethrotate");
8607a6bf SG	64	if ((ethrotate != NULL) && (strcmp(ethrotate, "no") == 0))
	65	return;
	66
	67	/* update current ethernet name */
	68	if (eth_get_dev()) {
	69	if (act == NULL \|\| strcmp(act, eth_get_name()) != 0)
382bee57	70	env_set("ethact", eth_get_name());
8607a6bf SG	71	}
	72	/*
	73	* remove the variable completely if there is no active
	74	* interface
	75	*/
	76	else if (act != NULL)
382bee57	77	env_set("ethact", NULL);
8607a6bf SG	78	}
	79
	80	void eth_try_another(int first_restart)
	81	{
	82	static void *first_failed;
	83	char *ethrotate;
	84
	85	/*
	86	* Do not rotate between network interfaces when
	87	* 'ethrotate' variable is set to 'no'.
	88	*/
00caae6d	89	ethrotate = env_get("ethrotate");
8607a6bf SG	90	if ((ethrotate != NULL) && (strcmp(ethrotate, "no") == 0))
	91	return;
	92
	93	if (!eth_get_dev())
	94	return;
	95
	96	if (first_restart)
	97	first_failed = eth_get_dev();
	98
	99	eth_set_current_to_next();
	100
	101	eth_current_changed();
	102
	103	if (first_failed == eth_get_dev())
	104	net_restart_wrap = 1;
	105	}
	106
	107	void eth_set_current(void)
	108	{
	109	static char *act;
	110	static int env_changed_id;
	111	int env_id;
	112
	113	env_id = get_env_id();
	114	if ((act == NULL) \|\| (env_changed_id != env_id)) {
00caae6d	115	act = env_get("ethact");
8607a6bf SG	116	env_changed_id = env_id;
	117	}
	118
	119	if (act == NULL) {
00caae6d	120	char *ethprime = env_get("ethprime");
8607a6bf SG	121	void *dev = NULL;
	122
	123	if (ethprime)
	124	dev = eth_get_dev_by_name(ethprime);
	125	if (dev)
	126	eth_set_dev(dev);
	127	else
	128	eth_set_dev(NULL);
	129	} else {
	130	eth_set_dev(eth_get_dev_by_name(act));
	131	}
	132
	133	eth_current_changed();
	134	}
	135
	136	const char *eth_get_name(void)
	137	{
	138	return eth_get_dev() ? eth_get_dev()->name : "unknown";
	139	}