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| author | Ian Coolidge <iancoolidge@gmail.com> | 2012-11-07 14:39:19 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-11-07 21:12:26 -0500 |
| commit | a66fe1653f4e81c007a68ca975067432a42df05b (patch) | |
| tree | 236cf01306c151e26b6759414aef249961ff04a3 /drivers/net | |
| parent | 4fe5f079b499d7ff34fd49f4005f09018c4e80aa (diff) | |
| download | linux-a66fe1653f4e81c007a68ca975067432a42df05b.tar.gz linux-a66fe1653f4e81c007a68ca975067432a42df05b.tar.bz2 linux-a66fe1653f4e81c007a68ca975067432a42df05b.zip | |
net: usb: cdc_eem: Fix rx skb allocation for 802.1Q VLANs
cdc_eem frames might need to contain 802.1Q VLAN Ethernet frames.
URB/skb sizing from usbnet will default to the hard_mtu,
so account for the VLAN header by expanding that via hard_header_len
Signed-off-by: Ian Coolidge <iancoolidge@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/usb/cdc_eem.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/usb/cdc_eem.c b/drivers/net/usb/cdc_eem.c index c81e278629ff..08d55b6bf272 100644 --- a/drivers/net/usb/cdc_eem.c +++ b/drivers/net/usb/cdc_eem.c @@ -31,6 +31,7 @@ #include <linux/usb/cdc.h> #include <linux/usb/usbnet.h> #include <linux/gfp.h> +#include <linux/if_vlan.h> /* @@ -92,7 +93,7 @@ static int eem_bind(struct usbnet *dev, struct usb_interface *intf) /* no jumbogram (16K) support for now */ - dev->net->hard_header_len += EEM_HEAD + ETH_FCS_LEN; + dev->net->hard_header_len += EEM_HEAD + ETH_FCS_LEN + VLAN_HLEN; dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len; return 0; |