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From: Daniel Golle <daniel@makrotopia.org>
To: Lorenzo Bianconi <lorenzo@kernel.org>
Cc: netdev@vger.kernel.org, nbd@nbd.name, john@phrozen.org,
	sean.wang@mediatek.com, Mark-MC.Lee@mediatek.com,
	davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
	pabeni@redhat.com, matthias.bgg@gmail.com,
	linux-mediatek@lists.infradead.org, lorenzo.bianconi@redhat.com,
	Bo.Jiao@mediatek.com, sujuan.chen@mediatek.com,
	ryder.Lee@mediatek.com, evelyn.tsai@mediatek.com,
	devicetree@vger.kernel.org, robh@kernel.org
Subject: Re: [PATCH net-next 08/12] net: ethernet: mtk_eth_soc: add foe info in mtk_soc_data structure
Date: Fri, 9 Sep 2022 19:54:27 +0100	[thread overview]
Message-ID: <YxuL45OghfKVGTrM@makrotopia.org> (raw)
In-Reply-To: <0d0bfa99e313c0b00bf75f943f58b6fe552ed004.1662661555.git.lorenzo@kernel.org>

On Thu, Sep 08, 2022 at 09:33:42PM +0200, Lorenzo Bianconi wrote:
> Introduce foe struct in mtk_soc_data as a container for foe table chip
> related definitions.
> This is a preliminary patch to enable mt7986 wed support.
> 
> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
> ---
>  drivers/net/ethernet/mediatek/mtk_eth_soc.c   |  70 +++++++-
>  drivers/net/ethernet/mediatek/mtk_eth_soc.h   |  27 ++-
>  drivers/net/ethernet/mediatek/mtk_ppe.c       | 161 ++++++++++--------
>  drivers/net/ethernet/mediatek/mtk_ppe.h       |  29 ++--
>  .../net/ethernet/mediatek/mtk_ppe_offload.c   |  34 ++--
>  5 files changed, 208 insertions(+), 113 deletions(-)
> 
> [...]
> diff --git a/drivers/net/ethernet/mediatek/mtk_ppe.h b/drivers/net/ethernet/mediatek/mtk_ppe.h
> index 6d4c91acd1a5..a364f45edf38 100644
> --- a/drivers/net/ethernet/mediatek/mtk_ppe.h
> +++ b/drivers/net/ethernet/mediatek/mtk_ppe.h
> @@ -61,6 +61,8 @@ enum {
>  #define MTK_FOE_VLAN2_WINFO_WCID	GENMASK(13, 6)
>  #define MTK_FOE_VLAN2_WINFO_RING	GENMASK(15, 14)
>  
> +#define MTK_FIELD_PREP(mask, val)	(((typeof(mask))(val) << __bf_shf(mask)) & (mask))
> +#define MTK_FIELD_GET(mask, val)	((typeof(mask))(((val) & (mask)) >> __bf_shf(mask)))

This seems to trigger a compiler bug on ARMv7 (e.g. MT7623) builds:

  LD      .tmp_vmlinux.kallsyms1
arm-openwrt-linux-muslgnueabi-ld: drivers/net/ethernet/mediatek/mtk_ppe.o: in function `mtk_flow_entry_match':
/usr/src/lede/build_dir/target-arm_cortex-a7+neon-vfpv4_musl_eabi/linux-mediatek_mt7623/linux-5.15.67/drivers/net/ethernet/mediatek/mtk_ppe.c:406: undefined reference to `__ffsdi2'
arm-openwrt-linux-muslgnueabi-ld: drivers/net/ethernet/mediatek/mtk_ppe.o: in function `__mtk_foe_entry_commit':
/usr/src/lede/build_dir/target-arm_cortex-a7+neon-vfpv4_musl_eabi/linux-mediatek_mt7623/linux-5.15.67/drivers/net/ethernet/mediatek/mtk_ppe.c:533: undefined reference to `__ffsdi2'
arm-openwrt-linux-muslgnueabi-ld: drivers/net/ethernet/mediatek/mtk_ppe.o: in function `mtk_foe_entry_l2':
/usr/src/lede/build_dir/target-arm_cortex-a7+neon-vfpv4_musl_eabi/linux-mediatek_mt7623/linux-5.15.67/drivers/net/ethernet/mediatek/mtk_ppe.c:134: undefined reference to `__ffsdi2'
arm-openwrt-linux-muslgnueabi-ld: drivers/net/ethernet/mediatek/mtk_ppe.o: in function `mtk_foe_entry_commit_subflow':
/usr/src/lede/build_dir/target-arm_cortex-a7+neon-vfpv4_musl_eabi/linux-mediatek_mt7623/linux-5.15.67/drivers/net/ethernet/mediatek/mtk_ppe.c:611: undefined reference to `__ffsdi2'
arm-openwrt-linux-muslgnueabi-ld: drivers/net/ethernet/mediatek/mtk_ppe.o: in function `mtk_foe_entry_ib2':
/usr/src/lede/build_dir/target-arm_cortex-a7+neon-vfpv4_musl_eabi/linux-mediatek_mt7623/linux-5.15.67/drivers/net/ethernet/mediatek/mtk_ppe.c:148: undefined reference to `__ffsdi2'
arm-openwrt-linux-muslgnueabi-ld: drivers/net/ethernet/mediatek/mtk_ppe.o:/usr/src/lede/build_dir/target-arm_cortex-a7+neon-vfpv4_musl_eabi/linux-mediatek_mt7623/linux-5.15.67/drivers/net/ethernet/mediatek/mtk_ppe.c:169: more undefined references to `__ffsdi2' follow


>  enum {
>  	MTK_FOE_STATE_INVALID,
>  	MTK_FOE_STATE_UNBIND,

  reply	other threads:[~2022-09-09 19:00 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-08 19:33 [PATCH net-next 00/12] Add WED support for MT7986 chipset Lorenzo Bianconi
2022-09-08 19:33 ` [PATCH net-next 01/12] arm64: dts: mediatek: mt7986: add support for Wireless Ethernet Dispatch Lorenzo Bianconi
2022-09-13 12:09   ` Rob Herring
2022-09-13 12:55     ` Lorenzo Bianconi
2022-09-08 19:33 ` [PATCH net-next 02/12] dt-bindings: net: mediatek: add WED binding for MT7986 eth driver Lorenzo Bianconi
2022-09-13 12:11   ` Rob Herring
2022-09-13 12:35     ` Lorenzo Bianconi
2022-09-08 19:33 ` [PATCH net-next 03/12] net: ethernet: mtk_eth_soc: move gdma_to_ppe and ppe_base definitions in mtk register map Lorenzo Bianconi
2022-09-08 19:33 ` [PATCH net-next 04/12] net: ethernet: mtk_eth_soc: move ppe table hash offset to mtk_soc_data structure Lorenzo Bianconi
2022-09-08 19:33 ` [PATCH net-next 05/12] net: ethernet: mtk_eth_soc: add the capability to run multiple ppe Lorenzo Bianconi
2022-09-08 19:33 ` [PATCH net-next 06/12] net: ethernet: mtk_eth_soc: move wdma_base definitions in mtk register map Lorenzo Bianconi
2022-09-08 19:33 ` [PATCH net-next 07/12] net: ethernet: mtk_eth_soc: add foe_entry_size to mtk_eth_soc Lorenzo Bianconi
2022-09-08 19:33 ` [PATCH net-next 08/12] net: ethernet: mtk_eth_soc: add foe info in mtk_soc_data structure Lorenzo Bianconi
2022-09-09 18:54   ` Daniel Golle [this message]
2022-09-09 21:47     ` Lorenzo Bianconi
2022-09-13  1:10   ` kernel test robot
2022-09-08 19:33 ` [PATCH net-next 09/12] net: ethernet: mtk_eth_wed: add mtk_wed_configure_irq and mtk_wed_dma_{enable/disable} Lorenzo Bianconi
2022-09-08 19:33 ` [PATCH net-next 10/12] net: ethernet: mtk_eth_wed: add wed support for mt7986 chipset Lorenzo Bianconi
2022-09-08 19:33 ` [PATCH net-next 11/12] net: ethernet: mtk_eth_wed: add axi bus support Lorenzo Bianconi
2022-09-08 19:33 ` [PATCH net-next 12/12] net: ethernet: mtk_eth_soc: introduce flow offloading support for mt7986 Lorenzo Bianconi

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