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Date: Fri, 4 Dec 2020 09:31:58 +0100
From: Nicolas Ferre <nicolas.ferre@...rochip.com>
To: Arnd Bergmann <arnd@...nel.org>, Mark Einon <mark.einon@...il.com>,
"David S. Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>,
"Claudiu Beznea" <claudiu.beznea@...rochip.com>,
Madalin Bucur <madalin.bucur@....com>,
Saeed Mahameed <saeedm@...dia.com>,
Leon Romanovsky <leon@...nel.org>,
"Simon Horman" <simon.horman@...ronome.com>,
Jiri Pirko <jiri@...nulli.us>
CC: Arnd Bergmann <arnd@...db.de>, <netdev@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, <linux-rdma@...r.kernel.org>,
<oss-drivers@...ronome.com>
Subject: Re: [PATCH] ethernet: select CONFIG_CRC32 as needed
On 04/12/2020 at 00:20, Arnd Bergmann wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
>
> From: Arnd Bergmann <arnd@...db.de>
>
> A number of ethernet drivers require crc32 functionality to be
> avaialable in the kernel, causing a link error otherwise:
>
> arm-linux-gnueabi-ld: drivers/net/ethernet/agere/et131x.o: in function `et1310_setup_device_for_multicast':
> et131x.c:(.text+0x5918): undefined reference to `crc32_le'
> arm-linux-gnueabi-ld: drivers/net/ethernet/cadence/macb_main.o: in function `macb_start_xmit':
> macb_main.c:(.text+0x4b88): undefined reference to `crc32_le'
> arm-linux-gnueabi-ld: drivers/net/ethernet/faraday/ftgmac100.o: in function `ftgmac100_set_rx_mode':
> ftgmac100.c:(.text+0x2b38): undefined reference to `crc32_le'
> arm-linux-gnueabi-ld: drivers/net/ethernet/freescale/fec_main.o: in function `set_multicast_list':
> fec_main.c:(.text+0x6120): undefined reference to `crc32_le'
> arm-linux-gnueabi-ld: drivers/net/ethernet/freescale/fman/fman_dtsec.o: in function `dtsec_add_hash_mac_address':
> fman_dtsec.c:(.text+0x830): undefined reference to `crc32_le'
> arm-linux-gnueabi-ld: drivers/net/ethernet/freescale/fman/fman_dtsec.o:fman_dtsec.c:(.text+0xb68): more undefined references to `crc32_le' follow
> arm-linux-gnueabi-ld: drivers/net/ethernet/netronome/nfp/nfpcore/nfp_hwinfo.o: in function `nfp_hwinfo_read':
> nfp_hwinfo.c:(.text+0x250): undefined reference to `crc32_be'
> arm-linux-gnueabi-ld: nfp_hwinfo.c:(.text+0x288): undefined reference to `crc32_be'
> arm-linux-gnueabi-ld: drivers/net/ethernet/netronome/nfp/nfpcore/nfp_resource.o: in function `nfp_resource_acquire':
> nfp_resource.c:(.text+0x144): undefined reference to `crc32_be'
> arm-linux-gnueabi-ld: nfp_resource.c:(.text+0x158): undefined reference to `crc32_be'
> arm-linux-gnueabi-ld: drivers/net/ethernet/nxp/lpc_eth.o: in function `lpc_eth_set_multicast_list':
> lpc_eth.c:(.text+0x1934): undefined reference to `crc32_le'
> arm-linux-gnueabi-ld: drivers/net/ethernet/rocker/rocker_ofdpa.o: in function `ofdpa_flow_tbl_do':
> rocker_ofdpa.c:(.text+0x2e08): undefined reference to `crc32_le'
> arm-linux-gnueabi-ld: drivers/net/ethernet/rocker/rocker_ofdpa.o: in function `ofdpa_flow_tbl_del':
> rocker_ofdpa.c:(.text+0x3074): undefined reference to `crc32_le'
> arm-linux-gnueabi-ld: drivers/net/ethernet/rocker/rocker_ofdpa.o: in function `ofdpa_port_fdb':
> arm-linux-gnueabi-ld: drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste.o: in function `mlx5dr_ste_calc_hash_index':
> dr_ste.c:(.text+0x354): undefined reference to `crc32_le'
> arm-linux-gnueabi-ld: drivers/net/ethernet/microchip/lan743x_main.o: in function `lan743x_netdev_set_multicast':
> lan743x_main.c:(.text+0x5dc4): undefined reference to `crc32_le'
>
> Add the missing 'select CRC32' entries in Kconfig for each of them.
>
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---
> drivers/net/ethernet/agere/Kconfig | 1 +
> drivers/net/ethernet/cadence/Kconfig | 1 +
For Cadence macb driver:
Acked-by: Nicolas Ferre <nicolas.ferre@...rochip.com>
> drivers/net/ethernet/faraday/Kconfig | 1 +
> drivers/net/ethernet/freescale/Kconfig | 1 +
> drivers/net/ethernet/freescale/fman/Kconfig | 1 +
> drivers/net/ethernet/mellanox/mlx5/core/Kconfig | 1 +
> drivers/net/ethernet/microchip/Kconfig | 1 +
> drivers/net/ethernet/netronome/Kconfig | 1 +
> drivers/net/ethernet/nxp/Kconfig | 1 +
> drivers/net/ethernet/rocker/Kconfig | 1 +
> 10 files changed, 10 insertions(+)
>
> diff --git a/drivers/net/ethernet/agere/Kconfig b/drivers/net/ethernet/agere/Kconfig
> index d92516ae59cc..9cd750184947 100644
> --- a/drivers/net/ethernet/agere/Kconfig
> +++ b/drivers/net/ethernet/agere/Kconfig
> @@ -21,6 +21,7 @@ config ET131X
> tristate "Agere ET-1310 Gigabit Ethernet support"
> depends on PCI
> select PHYLIB
> + select CRC32
> help
> This driver supports Agere ET-1310 ethernet adapters.
>
> diff --git a/drivers/net/ethernet/cadence/Kconfig b/drivers/net/ethernet/cadence/Kconfig
> index 85858163bac5..e432a68ac520 100644
> --- a/drivers/net/ethernet/cadence/Kconfig
> +++ b/drivers/net/ethernet/cadence/Kconfig
> @@ -23,6 +23,7 @@ config MACB
> tristate "Cadence MACB/GEM support"
> depends on HAS_DMA && COMMON_CLK
> select PHYLINK
> + select CRC32
> help
> The Cadence MACB ethernet interface is found on many Atmel AT32 and
> AT91 parts. This driver also supports the Cadence GEM (Gigabit
> diff --git a/drivers/net/ethernet/faraday/Kconfig b/drivers/net/ethernet/faraday/Kconfig
> index c2677ec0564d..3d1e9a302148 100644
> --- a/drivers/net/ethernet/faraday/Kconfig
> +++ b/drivers/net/ethernet/faraday/Kconfig
> @@ -33,6 +33,7 @@ config FTGMAC100
> depends on !64BIT || BROKEN
> select PHYLIB
> select MDIO_ASPEED if MACH_ASPEED_G6
> + select CRC32
> help
> This driver supports the FTGMAC100 Gigabit Ethernet controller
> from Faraday. It is used on Faraday A369, Andes AG102 and some
> diff --git a/drivers/net/ethernet/freescale/Kconfig b/drivers/net/ethernet/freescale/Kconfig
> index a1d53ddf1593..3f9175bdce77 100644
> --- a/drivers/net/ethernet/freescale/Kconfig
> +++ b/drivers/net/ethernet/freescale/Kconfig
> @@ -25,6 +25,7 @@ config FEC
> depends on (M523x || M527x || M5272 || M528x || M520x || M532x || \
> ARCH_MXC || SOC_IMX28 || COMPILE_TEST)
> default ARCH_MXC || SOC_IMX28 if ARM
> + select CRC32
> select PHYLIB
> imply PTP_1588_CLOCK
> help
> diff --git a/drivers/net/ethernet/freescale/fman/Kconfig b/drivers/net/ethernet/freescale/fman/Kconfig
> index 34150182cc35..48bf8088795d 100644
> --- a/drivers/net/ethernet/freescale/fman/Kconfig
> +++ b/drivers/net/ethernet/freescale/fman/Kconfig
> @@ -4,6 +4,7 @@ config FSL_FMAN
> depends on FSL_SOC || ARCH_LAYERSCAPE || COMPILE_TEST
> select GENERIC_ALLOCATOR
> select PHYLIB
> + select CRC32
> default n
> help
> Freescale Data-Path Acceleration Architecture Frame Manager
> diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig
> index 99f1ec3b2575..3e371d24c462 100644
> --- a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig
> +++ b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig
> @@ -198,6 +198,7 @@ config MLX5_EN_TLS
> config MLX5_SW_STEERING
> bool "Mellanox Technologies software-managed steering"
> depends on MLX5_CORE_EN && MLX5_ESWITCH
> + select CRC32
> default y
> help
> Build support for software-managed steering in the NIC.
> diff --git a/drivers/net/ethernet/microchip/Kconfig b/drivers/net/ethernet/microchip/Kconfig
> index 31f9a82dc113..d0f6dfe0dcf3 100644
> --- a/drivers/net/ethernet/microchip/Kconfig
> +++ b/drivers/net/ethernet/microchip/Kconfig
> @@ -47,6 +47,7 @@ config LAN743X
> depends on PCI
> select PHYLIB
> select CRC16
> + select CRC32
> help
> Support for the Microchip LAN743x PCI Express Gigabit Ethernet chip
>
> diff --git a/drivers/net/ethernet/netronome/Kconfig b/drivers/net/ethernet/netronome/Kconfig
> index d8b99d6a0356..b82758d5beed 100644
> --- a/drivers/net/ethernet/netronome/Kconfig
> +++ b/drivers/net/ethernet/netronome/Kconfig
> @@ -22,6 +22,7 @@ config NFP
> depends on VXLAN || VXLAN=n
> depends on TLS && TLS_DEVICE || TLS_DEVICE=n
> select NET_DEVLINK
> + select CRC32
> help
> This driver supports the Netronome(R) NFP4000/NFP6000 based
> cards working as a advanced Ethernet NIC. It works with both
> diff --git a/drivers/net/ethernet/nxp/Kconfig b/drivers/net/ethernet/nxp/Kconfig
> index ee83a71c2509..c84997db828c 100644
> --- a/drivers/net/ethernet/nxp/Kconfig
> +++ b/drivers/net/ethernet/nxp/Kconfig
> @@ -3,6 +3,7 @@ config LPC_ENET
> tristate "NXP ethernet MAC on LPC devices"
> depends on ARCH_LPC32XX || COMPILE_TEST
> select PHYLIB
> + select CRC32
> help
> Say Y or M here if you want to use the NXP ethernet MAC included on
> some NXP LPC devices. You can safely enable this option for LPC32xx
> diff --git a/drivers/net/ethernet/rocker/Kconfig b/drivers/net/ethernet/rocker/Kconfig
> index 99e1290e0307..2318811ff75a 100644
> --- a/drivers/net/ethernet/rocker/Kconfig
> +++ b/drivers/net/ethernet/rocker/Kconfig
> @@ -19,6 +19,7 @@ if NET_VENDOR_ROCKER
> config ROCKER
> tristate "Rocker switch driver (EXPERIMENTAL)"
> depends on PCI && NET_SWITCHDEV && BRIDGE
> + select CRC32
> help
> This driver supports Rocker switch device.
>
> --
> 2.27.0
>
--
Nicolas Ferre
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