sky2: no jumbo on Yukon FE
authorStephen Hemminger <shemminger@linux-foundation.org>
Wed, 11 Apr 2007 21:48:02 +0000 (14:48 -0700)
committerJeff Garzik <jeff@garzik.org>
Thu, 19 Apr 2007 19:01:17 +0000 (15:01 -0400)
The Yukon FE (100mbit only) chips do not support large packets.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
drivers/net/sky2.c

index 4d1ec78c437a464eb801585983ec7d2e919113d0..6950b2d685e173ef2946fe75f34ed104023a364c 100644 (file)
@@ -1899,6 +1899,9 @@ static int sky2_change_mtu(struct net_device *dev, int new_mtu)
        if (new_mtu < ETH_ZLEN || new_mtu > ETH_JUMBO_MTU)
                return -EINVAL;
 
+       if (new_mtu > ETH_DATA_LEN && hw->chip_id == CHIP_ID_YUKON_FE)
+               return -EINVAL;
+
        if (!netif_running(dev)) {
                dev->mtu = new_mtu;
                return 0;