u-boot/net/eth_common.c
Simon Glass e7dcf5645f env: Drop environment.h header file where not needed
This header file is now only used by files that access internal
environment features. Drop it from various places where it is not needed.

Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Signed-off-by: Simon Glass <sjg@chromium.org>
2019-08-11 16:43:41 -04:00

139 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 <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 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 = 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";
}