Commit faa89577 authored Mar 24, 2008 by Dai Haruki Committed by Jeff Garzik Mar 26, 2008

gianfar: Fix frame size calculation when hardware VLAN acceleration is on



In gfar_change_mtu(), the frame size needs to be increased to account
for the extra 4 bytes VLAN adds to the ethernet header.  However,
it was being increased by the length of the whole header (18 bytes),
which is wrong.

Signed-off-by: Dai Haruki <dai.haruki@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

parent a3cb96a1

drivers/net/gianfar.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1185,7 +1185,7 @@ static int gfar_change_mtu(struct net_device *dev, int new_mtu)
		int frame_size = new_mtu + ETH_HLEN;

		if (priv->vlan_enable)
		frame_size += VLAN_ETH_HLEN;
		frame_size += VLAN_HLEN;

		if (gfar_uses_fcb(priv))
		frame_size += GMAC_FCB_LEN;

Admin message