netdev - Re: [PATCH v3 bpf-next 5/8] veth: Add ndo_xdp

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Date:   Tue, 24 Jul 2018 10:59:07 +0900
From:   Toshiaki Makita <makita.toshiaki@....ntt.co.jp>
To:     Toshiaki Makita <toshiaki.makita1@...il.com>
Cc:     kbuild test robot <lkp@...el.com>, kbuild-all@...org,
        netdev@...r.kernel.org, Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Jesper Dangaard Brouer <brouer@...hat.com>
Subject: Re: [PATCH v3 bpf-next 5/8] veth: Add ndo_xdp_xmit

On 2018/07/24 9:19, kbuild test robot wrote:
> Hi Toshiaki,
> 
> Thank you for the patch! Yet something to improve:
> 
> [auto build test ERROR on bpf-next/master]
> 
> url:    https://github.com/0day-ci/linux/commits/Toshiaki-Makita/veth-Driver-XDP/20180724-065517
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
> config: i386-randconfig-x001-201829 (attached as .config)
> compiler: gcc-7 (Debian 7.3.0-16) 7.3.0
> reproduce:
>         # save the attached .config to linux build tree
>         make ARCH=i386 
> 
> All errors (new ones prefixed by >>):
> 
>    In file included from include/linux/kernel.h:10:0,
>                     from include/linux/list.h:9,
>                     from include/linux/timer.h:5,
>                     from include/linux/netdevice.h:28,
>                     from drivers//net/veth.c:11:
>    drivers//net/veth.c: In function 'veth_xdp_xmit':
>>> drivers//net/veth.c:300:16: error: implicit declaration of function 'xdp_ok_fwd_dev' [-Werror=implicit-function-declaration]
>       if (unlikely(xdp_ok_fwd_dev(rcv, frame->len) ||

This is because this series depends on commit d8d7218ad842 ("xdp:
XDP_REDIRECT should check IFF_UP and MTU") which is currently in DaveM's
net-next tree, as I noted in the cover letter.

-- 
Toshiaki Makita