[U-Boot] [PATCH v5 4/5] net: add eth_setenv_enetaddr_by_index()

[Michael Walle]

Signed-off-by: Michael Walle <michael at walle.cc>
Cc: Joe Hershberger <joe.hershberger at gmail.com>
---
 include/net.h |   16 ++++++++++++++++
 net/eth.c     |   15 +++++++++++++++
 2 files changed, 31 insertions(+), 0 deletions(-)

diff --git a/include/net.h b/include/net.h
index f6aeba2..bdc3da6 100644
--- a/include/net.h
+++ b/include/net.h
@@ -104,7 +104,9 @@ extern struct eth_device *eth_get_dev_by_index(int index); /* get dev @ index */
 extern int eth_get_dev_index (void);		/* get the device index */
 extern void eth_parse_enetaddr(const char *addr, uchar *enetaddr);
 extern int eth_getenv_enetaddr(char *name, uchar *enetaddr);
+#ifdef CONFIG_SETENV_ENETADDR_BY_INDEX
 extern int eth_setenv_enetaddr(char *name, const uchar *enetaddr);
+#endif
 
 /*
  * Get the hardware address for an ethernet interface .
@@ -118,6 +120,20 @@ extern int eth_setenv_enetaddr(char *name, const uchar *enetaddr);
 extern int eth_getenv_enetaddr_by_index(const char *base_name, int index,
 					uchar *enetaddr);
 
+#ifdef CONFIG_SETENV_ENETADDR_BY_INDEX
+/*
+ * Set the hardware address for an ethernet interface .
+ * Args:
+ *	base_name - base name for device (normally "eth")
+ *	index - device index number (0 for first)
+ *	enetaddr - returns 6 byte hardware address
+ * Returns:
+ *	0 on success, else 1.
+ */
+extern int eth_setenv_enetaddr_by_index(const char *base_name, int index,
+					const uchar *enetaddr);
+#endif
+
 #ifdef CONFIG_RANDOM_MACADDR
 /*
  * The u-boot policy does not allow hardcoded ethernet addresses. Under the
diff --git a/net/eth.c b/net/eth.c
index afce863..d66e22a 100644
--- a/net/eth.c
+++ b/net/eth.c
@@ -67,6 +67,21 @@ int eth_getenv_enetaddr_by_index(const char *base_name, int index,
 	return eth_getenv_enetaddr(enetvar, enetaddr);
 }
 
+#ifdef CONFIG_SETENV_ENETADDR_BY_INDEX
+int eth_setenv_enetaddr_by_index(const char *base_name, int index,
+		const uchar *enetaddr)
+{
+	char enetvar[32];
+
+	if (index)
+		sprintf(enetvar, "%s%daddr", base_name, index);
+	else
+		sprintf(enetvar, "%saddr", base_name);
+
+	return eth_setenv_enetaddr(enetvar, enetaddr);
+}
+#endif
+
 static int eth_mac_skip(int index)
 {
 	char enetvar[15];
-- 
1.7.2.5