net: allow setting env enetaddr from net device setting
If the net driver has setup a valid ethernet address and an ethernet
address is not set in the environment already, then set the environment
variables from the net driver setting.
This enables pxe booting on boards which don't set ethaddr env variable.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
diff --git a/net/eth.c b/net/eth.c
index d526264..6290b33 100644
--- a/net/eth.c
+++ b/net/eth.c
@@ -62,6 +62,15 @@
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);
+}
+
+
static int eth_mac_skip(int index)
{
char enetvar[15];
@@ -205,6 +214,11 @@
}
memcpy(dev->enetaddr, env_enetaddr, 6);
+ } else if (is_valid_ether_addr(dev->enetaddr)) {
+ eth_setenv_enetaddr_by_index(base_name, eth_number,
+ dev->enetaddr);
+ printf("\nWarning: %s using MAC address from net device\n",
+ dev->name);
}
if (dev->write_hwaddr &&