linux-kernel - [PATCH 1/3] [v2] sfc: add CONFIG

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Message-Id: <20230619091215.2731541-1-arnd@kernel.org>
Date:   Mon, 19 Jun 2023 11:12:09 +0200
From:   Arnd Bergmann <arnd@...nel.org>
To:     Edward Cree <ecree.xilinx@...il.com>,
        Martin Habets <habetsm.xilinx@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Simon Horman <simon.horman@...igine.com>,
        Pieter Jansen van Vuuren <pieter.jansen-van-vuuren@....com>
Cc:     Arnd Bergmann <arnd@...db.de>, Jiri Pirko <jiri@...nulli.us>,
        Alejandro Lucero <alejandro.lucero-palau@....com>,
        netdev@...r.kernel.org, linux-net-drivers@....com,
        linux-kernel@...r.kernel.org
Subject: [PATCH 1/3] [v2] sfc: add CONFIG_INET dependency for TC offload

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")
Reviewed-by: Edward Cree <ecree.xilinx@...il.com>
Reviewed-by: Simon Horman <simon.horman@...igine.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202306151656.yttECVTP-lkp@intel.com/
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
v2: add Fixes and Closes tags
---
 drivers/net/ethernet/sfc/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/sfc/Kconfig b/drivers/net/ethernet/sfc/Kconfig
index 4af36ba8906ba..3eb55dcfa8a61 100644
--- a/drivers/net/ethernet/sfc/Kconfig
+++ b/drivers/net/ethernet/sfc/Kconfig
@@ -50,6 +50,7 @@ config SFC_MCDI_MON
 config SFC_SRIOV
 	bool "Solarflare SFC9100-family SR-IOV support"
 	depends on SFC && PCI_IOV
+	depends on INET
 	default y
 	help
 	  This enables support for the Single Root I/O Virtualization
-- 
2.39.2