On Thu, 2015-12-03 at 19:24 +0100, Bjørn Mork wrote: > Assume the minidriver has taken care of all L2 header parsing > if it sets skb->protocol. This allows the minidriver to > support non-ethernet L2 headers, and even operate without > any L2 header at all. > > Signed-off-by: Bjørn Mork <bj...@mork.no> Acked-by: Oliver Neukum <oneu...@suse.com> > --- > drivers/net/usb/usbnet.c | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > > diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c > index 0744bf2ef2d6..0b0ba7ef14e4 100644 > --- a/drivers/net/usb/usbnet.c > +++ b/drivers/net/usb/usbnet.c > @@ -324,7 +324,10 @@ void usbnet_skb_return (struct usbnet *dev, struct > sk_buff *skb) > return; > } > > - skb->protocol = eth_type_trans (skb, dev->net); > + /* only update if unset to allow minidriver rx_fixup override */ > + if (skb->protocol == 0) > + skb->protocol = eth_type_trans (skb, dev->net); > + > dev->net->stats.rx_packets++; > dev->net->stats.rx_bytes += skb->len; >
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