[U-Boot] [PATCH v4 3/3] net: add eth_setenv_enetaddr_by_index()

[Michael Walle]

Signed-off-by: Michael Walle <michael at walle.cc>
---
 include/net.h |   12 ++++++++++++
 net/eth.c     |    8 ++++++++
 2 files changed, 20 insertions(+), 0 deletions(-)

diff --git a/include/net.h b/include/net.h
index 0da5679..eec846b 100644
--- a/include/net.h
+++ b/include/net.h
@@ -119,6 +119,18 @@ extern int eth_getenv_enetaddr_by_index(const char *base_name, int index,
 					uchar *enetaddr);
 
 /*
+ * 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);
+
+/*
  * The u-boot policy does not allow hardcoded ethernet addresses. Under the
  * following circumstances a random generated address is allowed:
  *  - in emergency cases, where you need a working network connection to set
diff --git a/net/eth.c b/net/eth.c
index 3623825..79b81a2 100644
--- a/net/eth.c
+++ b/net/eth.c
@@ -62,6 +62,14 @@ int eth_getenv_enetaddr_by_index(const char *base_name, int index,
 	return eth_getenv_enetaddr(enetvar, enetaddr);
 }
 
+int eth_setenv_enetaddr_by_index(const char *base_name, int index,
+		const uchar *enetaddr)
+{
+	char enetvar[32];
+	sprintf(enetvar, index ? "%s%daddr" : "%saddr", base_name, index);
+	return eth_setenv_enetaddr(enetvar, enetaddr);
+}
+
 static int eth_mac_skip(int index)
 {
 	char enetvar[15];
-- 
1.7.2.5