netdev - Re: [patch net-next v2 01/10] cls_bpf: move prog offload->netdev check into drivers

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Message-ID: <20171112181418.3ca6ff54@cakuba>
Date:   Sun, 12 Nov 2017 18:14:18 -0800
From:   Jakub Kicinski <jakub.kicinski@...ronome.com>
To:     Jiri Pirko <jiri@...nulli.us>
Cc:     netdev@...r.kernel.org, davem@...emloft.net, jhs@...atatu.com,
        xiyou.wangcong@...il.com, mlxsw@...lanox.com, andrew@...n.ch,
        vivien.didelot@...oirfairelinux.com, f.fainelli@...il.com,
        ast@...nel.org, daniel@...earbox.net, simon.horman@...ronome.com,
        pieter.jansenvanvuuren@...ronome.com, john.hurley@...ronome.com
Subject: Re: [patch net-next v2 01/10] cls_bpf: move prog offload->netdev
 check into drivers

On Sun, 12 Nov 2017 16:55:55 +0100, Jiri Pirko wrote:
> From: Jiri Pirko <jiri@...lanox.com>
> 
> In order to remove tp->q usage in cls_bpf, the offload->netdev check
> needs to be moved to individual drivers as only they will have access
> to appropriate struct net_device.
> 
> Signed-off-by: Jiri Pirko <jiri@...lanox.com>

This seems not entirely correct and it adds unnecessary code.  I think
the XDP and cls_bpf handling could be unified, making way for binding
the same program to multiple ports of the same device.  Would you mind
waiting a day for me to send corrections to BPF offload?