1 files changed, 43 insertions, 0 deletions
diff --git a/net/eth_common.c b/net/eth_common.c
index ee0b6df376..3fa6d83c70 100644
--- a/net/eth_common.c
+++ b/net/eth_common.c
@@ -10,6 +10,49 @@
 #include <miiphy.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,
+				 uchar *enetaddr)
+{
+	char enetvar[32];
+	sprintf(enetvar, index ? "%s%daddr" : "%saddr", base_name, index);
+	return eth_getenv_enetaddr(enetvar, enetaddr);
+}
+
+int eth_setenv_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);
+}
+
 void eth_common_init(void)
 {
 	bootstage_mark(BOOTSTAGE_ID_NET_ETH_START);