Subject: Re: [PATCH net-next v2 1/5] netdev: introduce ndo_set_rx_headroom

From: Paolo Abeni <[email-masked]>
Date: Thu, 25 Feb 2016 16:37:33 +0100

On Thu, 2016-02-25 at 17:21 +0300, Sergei Shtylyov wrote:
> Hello.
> 
> On 2/25/2016 2:09 PM, Paolo Abeni wrote:
> 
> > This method allows the controlling device (i.e. the bridge) to specify
> > additional headroom to be allocated for skb head on frame reception.
> >
> > Signed-off-by: Paolo Abeni <[email-masked]>
> >
> > ---
> > v1 -> v2:
> >   - fixed netdev_get_fwd_headroom()
> >   - added netdev_set_rx_headroom() and netdev_reset_rx_headroom() helpers
> > ---
> >   include/linux/netdevice.h | 31 +++++++++++++++++++++++++++++++
> >   1 file changed, 31 insertions(+)
> >
> > diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
> > index e52077f..8f53674 100644
> > --- a/include/linux/netdevice.h
> > +++ b/include/linux/netdevice.h
> > @@ -1093,6 +1093,12 @@ struct tc_to_netdev {
> >    *	This function is used to get egress tunnel information for given skb.
> >    *	This is useful for retrieving outer tunnel header parameters while
> >    *	sampling packet.
> > + * * int (*ndo_set_rx_headroom)(struct net_device *dev, int needed_headroom);
> 
>     It's *void* in the declaration.

You are right, thank you! must be 'void' here, too.

I'll fix it in v3.

Paolo