[PATCH 2/5] ARCNET: add com20020_set_hwddr to change address

From: Michael Grzeschik
Date: Wed Sep 24 2014 - 07:02:53 EST


This patch adds com20020_set_hwaddr to make
it possible to change the hwaddr on runtime.

Signed-off-by: Michael Grzeschik <m.grzeschik@xxxxxxxxxxxxxx>
---
drivers/net/arcnet/com20020.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)

diff --git a/drivers/net/arcnet/com20020.c b/drivers/net/arcnet/com20020.c
index 7b96c5f..1a84378 100644
--- a/drivers/net/arcnet/com20020.c
+++ b/drivers/net/arcnet/com20020.c
@@ -149,11 +149,25 @@ int com20020_check(struct net_device *dev)
return 0;
}

+static int com20020_set_hwaddr(struct net_device *dev, void *addr)
+{
+ int ioaddr = dev->base_addr;
+ struct arcnet_local *lp = netdev_priv(dev);
+ struct sockaddr *hwaddr = addr;
+
+ memcpy(dev->dev_addr, hwaddr->sa_data, 1);
+ SET_SUBADR(SUB_NODE);
+ outb(dev->dev_addr[0], _XREG);
+
+ return 0;
+}
+
const struct net_device_ops com20020_netdev_ops = {
.ndo_open = arcnet_open,
.ndo_stop = arcnet_close,
.ndo_start_xmit = arcnet_send_packet,
.ndo_tx_timeout = arcnet_timeout,
+ .ndo_set_mac_address = com20020_set_hwaddr,
.ndo_set_rx_mode = com20020_set_mc_list,
};

--
2.1.0

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