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Date: Mon, 16 Dec 2013 11:35:33 +0100 From: Peter Korsgaard <peter@...sgaard.com> To: netdev@...r.kernel.org, davem@...emloft.net Cc: joseph_chang@...icom.com.tw, Peter Korsgaard <peter@...sgaard.com>, <stable@...r.kernel.org> Subject: [PATCH 2/4] dm9601: fix reception of full size ethernet frames on dm9620/dm9621a dm9620/dm9621a require room for 4 byte padding even in dm9601 (3 byte header) mode. Cc: <stable@...r.kernel.org> Signed-off-by: Peter Korsgaard <peter@...sgaard.com> --- drivers/net/usb/dm9601.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/net/usb/dm9601.c b/drivers/net/usb/dm9601.c index 8e88572..aca0285 100644 --- a/drivers/net/usb/dm9601.c +++ b/drivers/net/usb/dm9601.c @@ -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; -- 1.8.5.1 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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