linux-kernel - Re: [PATCH] idpf: fix building without IPv4

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Message-ID: <a714593b-32a3-d552-e435-76e4a5dbb951@intel.com>
Date:   Wed, 4 Oct 2023 10:50:54 +0200
From:   Alexander Lobakin <aleksander.lobakin@...el.com>
To:     Tony Nguyen <anthony.l.nguyen@...el.com>
CC:     Arnd Bergmann <arnd@...nel.org>,
        Jesse Brandeburg <jesse.brandeburg@...el.com>,
        Arnd Bergmann <arnd@...db.de>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        "Jakub Kicinski" <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Alan Brady <alan.brady@...el.com>,
        Sridhar Samudrala <sridhar.samudrala@...el.com>,
        Willem de Bruijn <willemb@...gle.com>,
        Phani Burra <phani.r.burra@...el.com>,
        Joshua Hay <joshua.a.hay@...el.com>,
        Pavan Kumar Linga <pavan.kumar.linga@...el.com>,
        Madhu Chittim <madhu.chittim@...el.com>,
        <intel-wired-lan@...ts.osuosl.org>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] idpf: fix building without IPv4

From: Tony Nguyen <anthony.l.nguyen@...el.com>
Date: Mon, 25 Sep 2023 10:05:03 -0700

> 
> On 9/25/2023 8:58 AM, Arnd Bergmann wrote:
>> From: Arnd Bergmann <arnd@...db.de>
>>
>> The newly added offload code fails to link when IPv4 networking is
>> disabled:
>>
>> arm-linux-gnueabi-ld: drivers/net/ethernet/intel/idpf/idpf_txrx.o: in
>> function `idpf_vport_splitq_napi_poll':
>> idpf_txrx.c:(.text+0x7a20): undefined reference to `tcp_gro_complete'
>>
>> Add complile-time checks for both CONFIG_INET (ipv4) and CONFIG_IPV6
>> in order to drop the corresponding code when the features are
>> unavailable.
>> This should also help produce slightly better output for IPv4-only
>> kernel builds, if anyone still uses those.
> 
> Hi Arnd,
> 
> Also, a pending patch for this [1], however, this does look a bit more

I agree Arnd's version is more efficient, the other question is why my
patch has been hanging in your tree for 2 weeks, although I asked to
take it directly to fix automated builds ASAP xD

> efficient. Adding Olek as he's author on the other patch.
> 
> netdev maintainers,
> 
> If this is the version that does get picked up, did you want to take it
> directly to close out the compile issues?

[...]

Thanks,
Olek