netdev - Re: [RFC 01/12] net: bpf: rename ndo_xdp to ndo

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Date:   Wed, 1 Nov 2017 09:00:30 -0700
From:   Jakub Kicinski <jakub.kicinski@...ronome.com>
To:     Jesper Dangaard Brouer <brouer@...hat.com>
Cc:     netdev@...r.kernel.org, oss-drivers@...ronome.com,
        alexei.starovoitov@...il.com, daniel@...earbox.net,
        bblanco@...il.com
Subject: Re: [RFC 01/12] net: bpf: rename ndo_xdp to ndo_bpf

On Wed, 1 Nov 2017 08:41:42 +0100, Jesper Dangaard Brouer wrote:
> > diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
> > index fc059f193e7d..edf984406ba0 100644
> > --- a/drivers/net/virtio_net.c
> > +++ b/drivers/net/virtio_net.c
> > @@ -2115,7 +2115,7 @@ static const struct net_device_ops virtnet_netdev = {
> >  #ifdef CONFIG_NET_POLL_CONTROLLER
> >  	.ndo_poll_controller = virtnet_netpoll,
> >  #endif
> > -	.ndo_xdp		= virtnet_xdp,
> > +	.ndo_bpf		= virtnet_xdp,
> >  	.ndo_xdp_xmit		= virtnet_xdp_xmit,
> >  	.ndo_xdp_flush		= virtnet_xdp_flush,
> >  	.ndo_features_check	= passthru_features_check,  
> 
> Sorry, but I don't understand why this rename is needed.
> 
> Are you going to add another type than BPF_PROG_TYPE_XDP?

I'm adding commands which can be used for cls_bpf programs as well:

+	/* BPF program for offload callbacks, invoked at program load time. */
+	BPF_OFFLOAD_VERIFIER_PREP,
+	BPF_OFFLOAD_TRANSLATE,
+	BPF_OFFLOAD_DESTROY,