+// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2001-2015
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
* Joe Hershberger, National Instruments
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
+#include <dm.h>
+#include <environment.h>
#include <miiphy.h>
+#include <net.h>
#include "eth_internal.h"
-void eth_parse_enetaddr(const char *addr, uchar *enetaddr)
-{
- char *end;
- int i;
-
- for (i = 0; i < 6; ++i) {
- enetaddr[i] = addr ? simple_strtoul(addr, &end, 16) : 0;
- if (addr)
- addr = (*end) ? end + 1 : end;
- }
-}
-
-int eth_getenv_enetaddr(const char *name, uchar *enetaddr)
-{
- eth_parse_enetaddr(getenv(name), enetaddr);
- return is_valid_ethaddr(enetaddr);
-}
-
-int eth_setenv_enetaddr(const char *name, const uchar *enetaddr)
-{
- char buf[20];
-
- sprintf(buf, "%pM", enetaddr);
-
- return setenv(name, buf);
-}
-
-int eth_getenv_enetaddr_by_index(const char *base_name, int index,
+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_getenv_enetaddr(enetvar, enetaddr);
+ return eth_env_get_enetaddr(enetvar, enetaddr);
}
-int eth_setenv_enetaddr_by_index(const char *base_name, int index,
+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_setenv_enetaddr(enetvar, enetaddr);
+ return eth_env_set_enetaddr(enetvar, enetaddr);
}
void eth_common_init(void)
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";
+}