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dm9601: fix reception of full size ethernet frames on dm9620/dm9621a

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dm9620/dm9621a require room for 4 byte padding even in dm9601 (3 byte
header) mode.

Cc: <stable@vger.kernel.org>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Peter Korsgaard 2013-12-16 11:35:33 +01:00 committed by David S. Miller
parent 3b3878926c
commit 407900cfb5
1 changed files with 6 additions and 1 deletions
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7
drivers/net/usb/dm9601.c
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@ -364,7 +364,12 @@ static int dm9601_bind(struct usbnet *dev, struct usb_interface *intf)
dev->net->ethtool_ops = &dm9601_ethtool_ops;
dev->net->hard_header_len += DM_TX_OVERHEAD;
dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len;
dev->rx_urb_size = dev->net->mtu + ETH_HLEN + DM_RX_OVERHEAD;
/* dm9620/21a require room for 4 byte padding, even in dm9601
* mode, so we need +1 to be able to receive full size
* ethernet frames.
*/
dev->rx_urb_size = dev->net->mtu + ETH_HLEN + DM_RX_OVERHEAD + 1;
dev->mii.dev = dev->net;
dev->mii.mdio_read = dm9601_mdio_read;