netdev - Re: [Patch net-next v2 2/2] net_sched: add network namespace support for tc actions

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Message-ID: <CAM_iQpUkM6KUm=H6CV-wd0+zcOESMHREai1=Q9nrv0GQeFqdhQ@mail.gmail.com>
Date:	Wed, 24 Feb 2016 10:37:09 -0800
From:	Cong Wang <xiyou.wangcong@...il.com>
To:	Jamal Hadi Salim <jhs@...atatu.com>
Cc:	Linux Kernel Network Developers <netdev@...r.kernel.org>
Subject: Re: [Patch net-next v2 2/2] net_sched: add network namespace support
 for tc actions

On Tue, Feb 23, 2016 at 5:14 AM, Jamal Hadi Salim <jhs@...atatu.com> wrote:
>> -       int     (*walk)(struct sk_buff *, struct netlink_callback *, int,
>> struct tc_action *);
>> +       int     (*walk)(struct net *, struct sk_buff *,
>> +                       struct netlink_callback *, int, struct tc_action
>> *);
>> +};
>> +
>
>
> Do you really need to pass struct net to walk(); is deriving from skb
> not sufficient?

Unfortunately, we have to pass it to walk(), because tca_action_flush()
allocates the skb without setting sk, so we can't get net from skb.
rtnetlink_send() accepts both net and skb too.

So, overall, all of your concerns with regarding to v2 are answered,
can I have your Acked-by now? ;)

Thanks.