netdev - Re: [PATCH net-next 3/4] net: warn if transport header was not set

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Date:   Mon, 9 May 2022 19:23:19 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Eric Dumazet <edumazet@...gle.com>
Cc:     kernel test robot <lkp@...el.com>,
        Eric Dumazet <eric.dumazet@...il.com>,
        "David S . Miller" <davem@...emloft.net>,
        Paolo Abeni <pabeni@...hat.com>, kbuild-all@...ts.01.org,
        netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH net-next 3/4] net: warn if transport header was not set

On Mon, 9 May 2022 19:11:15 -0700 Eric Dumazet wrote:
> On Mon, May 9, 2022 at 6:30 PM Jakub Kicinski <kuba@...nel.org> wrote:
> > Yeah the order of inclusion is skbuff -> netdevice, as you probably
> > figured out by yourself. We may want to pull back the code move for
> > the print helpers. Unless you have cycles to untangle that :S  
> 
> I added at the beginning of the new file :
> 
> #include <linux/bug.h>
> struct net_device;
> 
> Hopefully this is enough.

Maybe toss in linux/kern_levels.h for a good measure?

netdev_WARN() uses netdev_name() but it's a macro, so the users of that
will need to include netdevice.h, or we could leave netdev_WARN() in 
netdevice.h. Doesn't matter in practice.