diff options
author | Peter Korsgaard <peter@korsgaard.com> | 2013-12-16 14:35:33 +0400 |
---|---|---|
committer | Ben Hutchings <ben@decadent.org.uk> | 2014-02-15 23:20:15 +0400 |
commit | bb840e15efa58c6a827fc79703a9ee1165d543fd (patch) | |
tree | 86df6c787a2506ff0c9ad863e2c921749a0bf3e8 /drivers | |
parent | f4118c967b80fb55a7d54ec149294ea4477e5963 (diff) | |
download | linux-bb840e15efa58c6a827fc79703a9ee1165d543fd.tar.xz |
dm9601: fix reception of full size ethernet frames on dm9620/dm9621a
commit 407900cfb54bdb2cfa228010b6697305f66b2948 upstream.
dm9620/dm9621a require room for 4 byte padding even in dm9601 (3 byte
header) mode.
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/net/usb/dm9601.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/net/usb/dm9601.c b/drivers/net/usb/dm9601.c index 136ecf32a5d5..aaf7962a1e74 100644 --- a/drivers/net/usb/dm9601.c +++ b/drivers/net/usb/dm9601.c @@ -445,7 +445,12 @@ 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; |