netdev - Re: [PATCH net-next v2 00/15] Introduce flowtable hw offloading in airoha

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Message-ID: <Z6iaiHVft8B-mAb4@lore-desk>
Date: Sun, 9 Feb 2025 13:07:36 +0100
From: Lorenzo Bianconi <lorenzo@...nel.org>
To: Andrew Lunn <andrew+netdev@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Felix Fietkau <nbd@....name>, Sean Wang <sean.wang@...iatek.com>,
	Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	"Chester A. Unal" <chester.a.unal@...nc9.com>,
	Daniel Golle <daniel@...rotopia.org>,
	DENG Qingfang <dqfext@...il.com>, Andrew Lunn <andrew@...n.ch>,
	Vladimir Oltean <olteanv@...il.com>
Cc: netdev@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org, devicetree@...r.kernel.org,
	upstream@...oha.com, Christian Marangi <ansuelsmth@...il.com>
Subject: Re: [PATCH net-next v2 00/15] Introduce flowtable hw offloading in
 airoha_eth driver

> Introduce netfilter flowtable integration in airoha_eth driver to
> offload 5-tuple flower rules learned by the PPE module if the user
> accelerates them using a nft configuration similar to the one reported
> below:
> 
> table inet filter {
> 	flowtable ft {
> 		hook ingress priority filter
> 		devices = { lan1, lan2, lan3, lan4, eth1 }
> 		flags offload;
> 	}
> 	chain forward {
> 		type filter hook forward priority filter; policy accept;
> 		meta l4proto { tcp, udp } flow add @ft
> 	}
> }
> 
> Packet Processor Engine (PPE) module available on EN7581 SoC populates
> the PPE table with 5-tuples flower rules learned from traffic forwarded
> between the GDM ports connected to the Packet Switch Engine (PSE) module.
> airoha_eth driver configures and collects data from the PPE module via a
> Network Processor Unit (NPU) RISC-V module available on the EN7581 SoC.
> Move airoha_eth driver in a dedicated folder
> (drivers/net/ethernet/airoha).

Please ignore this series, I spotted a couple of issues. I will post v3 soon.

Regards,
Lorenzo

> 
> ---
> Changes in v2:
> - Add airoha-npu document binding
> - Enable Rx SPTAG on MT7530 dsa switch for EN7581 SoC.
> - Fix warnings in airoha_npu_run_firmware()
> - Fix sparse warnings
> - Link to v1: https://lore.kernel.org/r/20250205-airoha-en7581-flowtable-offload-v1-0-d362cfa97b01@kernel.org
> 
> ---
> Lorenzo Bianconi (15):
>       net: airoha: Move airoha_eth driver in a dedicated folder
>       net: airoha: Move definitions in airoha_eth.h
>       net: airoha: Move reg/write utility routines in airoha_eth.h
>       net: airoha: Move register definitions in airoha_regs.h
>       net: airoha: Move DSA tag in DMA descriptor
>       net: dsa: mt7530: Enable Rx sptag for EN7581 SoC
>       net: airoha: Enable support for multiple net_devices
>       net: airoha: Move REG_GDM_FWD_CFG() initialization in airoha_dev_init()
>       net: airoha: Rename airoha_set_gdm_port_fwd_cfg() in airoha_set_vip_for_gdm_port()
>       dt-bindings: arm: airoha: Add the NPU node for EN7581 SoC
>       dt-bindings: net: airoha: Add airoha,npu phandle property
>       net: airoha: Introduce PPE initialization via NPU
>       net: airoha: Introduce flowtable offload support
>       net: airoha: Add loopback support for GDM2
>       net: airoha: Introduce PPE debugfs support
> 
>  .../devicetree/bindings/arm/airoha,en7581-npu.yaml |   71 ++
>  .../devicetree/bindings/net/airoha,en7581-eth.yaml |   10 +
>  drivers/net/dsa/mt7530.c                           |    5 +
>  drivers/net/dsa/mt7530.h                           |    4 +
>  drivers/net/ethernet/Kconfig                       |    2 +
>  drivers/net/ethernet/Makefile                      |    1 +
>  drivers/net/ethernet/airoha/Kconfig                |   23 +
>  drivers/net/ethernet/airoha/Makefile               |    9 +
>  .../net/ethernet/{mediatek => airoha}/airoha_eth.c | 1261 +++++---------------
>  drivers/net/ethernet/airoha/airoha_eth.h           |  626 ++++++++++
>  drivers/net/ethernet/airoha/airoha_npu.c           |  501 ++++++++
>  drivers/net/ethernet/airoha/airoha_ppe.c           |  823 +++++++++++++
>  drivers/net/ethernet/airoha/airoha_ppe_debugfs.c   |  175 +++
>  drivers/net/ethernet/airoha/airoha_regs.h          |  793 ++++++++++++
>  drivers/net/ethernet/mediatek/Kconfig              |    8 -
>  drivers/net/ethernet/mediatek/Makefile             |    1 -
>  16 files changed, 3310 insertions(+), 1003 deletions(-)
> ---
> base-commit: 26db4dbb747813b5946aff31485873f071a10332
> change-id: 20250205-airoha-en7581-flowtable-offload-e3a11b3b34ad
> 
> Best regards,
> -- 
> Lorenzo Bianconi <lorenzo@...nel.org>
> 

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