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

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Message-Id: <20171205.120218.108578256595160504.davem@davemloft.net>
Date:   Tue, 05 Dec 2017 12:02:18 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     jasowang@...hat.com
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

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...