linux-kernel - Re: [PATCH 2/2] sfc: add CONFIG_INET dependency for TC offload

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Message-ID: <ZIw0JcSb/WvcA1/+@corigine.com>
Date:   Fri, 16 Jun 2023 12:06:29 +0200
From:   Simon Horman <simon.horman@...igine.com>
To:     Arnd Bergmann <arnd@...nel.org>
Cc:     Edward Cree <ecree.xilinx@...il.com>,
        Martin Habets <habetsm.xilinx@...il.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Arnd Bergmann <arnd@...db.de>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Alejandro Lucero <alejandro.lucero-palau@....com>,
        Jiri Pirko <jiri@...nulli.us>,
        Pieter Jansen van Vuuren <pieter.jansen-van-vuuren@....com>,
        netdev@...r.kernel.org, linux-net-drivers@....com,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] sfc: add CONFIG_INET dependency for TC offload

On Fri, Jun 16, 2023 at 11:08:19AM +0200, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@...db.de>
> 
> The driver now fails to link when CONFIG_INET is disabled, so
> add an explicit Kconfig dependency:
> 
> ld.lld: error: undefined symbol: ip_route_output_flow
> >>> referenced by tc_encap_actions.c
> >>>               drivers/net/ethernet/sfc/tc_encap_actions.o:(efx_tc_flower_create_encap_md) in archive vmlinux.a
> 
> ld.lld: error: undefined symbol: ip_send_check
> >>> referenced by tc_encap_actions.c
> >>>               drivers/net/ethernet/sfc/tc_encap_actions.o:(efx_gen_encap_header) in archive vmlinux.a
> >>> referenced by tc_encap_actions.c
> >>>               drivers/net/ethernet/sfc/tc_encap_actions.o:(efx_gen_encap_header) in archive vmlinux.a
> 
> ld.lld: error: undefined symbol: arp_tbl
> >>> referenced by tc_encap_actions.c
> >>>               drivers/net/ethernet/sfc/tc_encap_actions.o:(efx_tc_netevent_event) in archive vmlinux.a
> >>> referenced by tc_encap_actions.c
> >>>               drivers/net/ethernet/sfc/tc_encap_actions.o:(efx_tc_netevent_event) in archive vmlinux.a
> 
> Fixes: a1e82162af0b8 ("sfc: generate encap headers for TC offload")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Reviewed-by: Simon Horman <simon.horman@...igine.com>