linux-kernel - Re: [PATCH net-next V3] tun: add eBPF based queue selection method

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Date:   Wed, 6 Dec 2017 10:30:21 +0800
From:   Jason Wang <jasowang@...hat.com>
To:     David Miller <davem@...emloft.net>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        mst@...hat.com, willemdebruijn.kernel@...il.com,
        tom@...bertland.com, aconole@...hat.com, wexu@...hat.com
Subject: Re: [PATCH net-next V3] tun: add eBPF based queue selection method



On 2017年12月06日 01:02, David Miller wrote:
> From: Jason Wang <jasowang@...hat.com>
> Date: Mon,  4 Dec 2017 17:31:23 +0800
>
>> This patch introduces an eBPF based queue selection method. With this,
>> the policy could be offloaded to userspace completely through a new
>> ioctl TUNSETSTEERINGEBPF.
>>
>> Signed-off-by: Jason Wang <jasowang@...hat.com>
>> ---
>> Changes from V2:
>> - call rtnl during netdev free
>> - switch to use call_rcu() to prevent DOS from userspace
>> - drop the policies setting/getting ioctls and allow detach through
>>    passing -1 as fd
> Applied, thanks Jason.
>
> I really wish this driver had newlink/changelink support rather than
> us adding all of these ioctls...

Yes, will add this in my todo list.

Thanks