Subject: Re: [PATCH 2/2] qlcnic: set gso_type

From: "Michael S. Tsirkin" <[email-masked]>
Date: Thu, 7 Feb 2013 10:16:35 +0200

On Wed, Feb 06, 2013 at 07:20:37PM -0800, Eric Dumazet wrote:
> On Thu, 2013-02-07 at 01:02 +0200, Michael S. Tsirkin wrote:
> > qlcnic set gso_size but not gso type. This leads to crashes
> > in macvtap.
> > 
> > Signed-off-by: Michael S. Tsirkin <[email-masked]>
> > ---
> > This one I only compiled - don't have qlogic hardware.
> > 
> >  drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c | 7 ++++++-
> >  1 file changed, 6 insertions(+), 1 deletion(-)
> > 
> > diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c
> > index bb4311e..370049c 100644
> > --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c
> > +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c
> > @@ -1043,8 +1043,13 @@ qlcnic_process_lro(struct qlcnic_adapter *adapter,
> >  	th->seq = htonl(seq_number);
> >  	length = skb->len;
> >  
> > -	if (adapter->flags & QLCNIC_FW_LRO_MSS_CAP)
> > +	if (adapter->flags & QLCNIC_FW_LRO_MSS_CAP) {
> >  		skb_shinfo(skb)->gso_size = qlcnic_get_lro_sts_mss(sts_data1);
> > +		if (skb->protocol == ETH_P_IPV6)
> 
> Are you sure its not skb->protocol == htons(ETH_P_IPV6) ?

Um, so it is. It just happens to work correctly for ipv4 :)
I'll respin.

> > +			skb_shinfo(skb)->gso_type = SKB_GSO_TCPV6;
> > +		else
> > +			skb_shinfo(skb)->gso_type = SKB_GSO_TCPV4;
> > +	}
> >  
> >  	if (vid != 0xffff)
> >  		__vlan_hwaccel_put_tag(skb, vid);
> 

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