140 lines
2.9 KiB
C
140 lines
2.9 KiB
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";
|
||
|
|
}
|