From 59be4ad6bb01fa80b6ad2cf15163ccb617f7d603 Mon Sep 17 00:00:00 2001 From: Ondrej Zary Date: Mon, 30 Jun 2014 18:38:30 +0200 Subject: [PATCH] tlan: Fix MAC address byte order on OC-2325/OC-2326 Olicom OC-2325 and OC-2326 cards have the MAC address byte-swapped in EEPROM. Byte-swap the MAC address if it's located at offset 0xF8. Signed-off-by: Ondrej Zary Signed-off-by: David S. Miller --- drivers/net/ethernet/ti/tlan.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/ti/tlan.c b/drivers/net/ethernet/ti/tlan.c index 00ec926084ea..cacc76da91a2 100644 --- a/drivers/net/ethernet/ti/tlan.c +++ b/drivers/net/ethernet/ti/tlan.c @@ -863,7 +863,7 @@ static int tlan_init(struct net_device *dev) priv->rx_list_dma + sizeof(struct tlan_list)*TLAN_NUM_RX_LISTS; err = 0; - for (i = 0; i < 6 ; i++) + for (i = 0; i < ETH_ALEN; i++) err |= tlan_ee_read_byte(dev, (u8) priv->adapter->addr_ofs + i, (u8 *) &dev->dev_addr[i]); @@ -871,7 +871,14 @@ static int tlan_init(struct net_device *dev) pr_err("%s: Error reading MAC from eeprom: %d\n", dev->name, err); } - dev->addr_len = 6; + /* Olicom OC-2325/OC-2326 have the address byte-swapped */ + if (priv->adapter->addr_ofs == 0xf8) { + for (i = 0; i < ETH_ALEN; i += 2) { + char tmp = dev->dev_addr[i]; + dev->dev_addr[i] = dev->dev_addr[i + 1]; + dev->dev_addr[i + 1] = tmp; + } + } netif_carrier_off(dev); -- 2.20.1