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asix: allow full size 8021Q frames to be received

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asix driver drops 8021Q full size frames because it doesn't take into
account VLAN header size.

Tested on AX88772 adapter.

Signed-off-by: Eric Dumazet <edumazet@google.com>
CC: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
CC: Allan Chou <allan@asix.com.tw>
CC: Trond Wuellner <trond@chromium.org>
CC: Grant Grundler <grundler@chromium.org>
CC: Paul Stewart <pstew@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2012-05-28 22:31:41 +00:00 committed by David S. Miller
parent a0c6ffbcfe
commit 9dae31009b
1 changed files with 2 additions and 1 deletions
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3
drivers/net/usb/asix.c
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@ -35,6 +35,7 @@
#include <linux/crc32.h>
#include <linux/usb/usbnet.h>
#include <linux/slab.h>
#include <linux/if_vlan.h>
#define DRIVER_VERSION "22-Dec-2011"
#define DRIVER_NAME "asix"
@ -321,7 +322,7 @@ static int asix_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
return 0;
}
if ((size > dev->net->mtu + ETH_HLEN) ||
if ((size > dev->net->mtu + ETH_HLEN + VLAN_HLEN) ||
(size + offset > skb->len)) {
netdev_err(dev->net, "asix_rx_fixup() Bad RX Length %d\n",
size);