From patchwork Fri Feb 7 16:26:15 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Bianconi X-Patchwork-Id: 13965430 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 58DC018BC20; Fri, 7 Feb 2025 16:26:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738945606; cv=none; b=Dc/sJxNjP7WDckntE8TUmW7Zs8KnjXR8d1qZXIoHNLJ/F5Fmn1diwlj/8u1ReKZRQjB4RXPqsxYMbsoupKou4LeFZUE/FoGc5U62+EYoZ2Z8rfgU/N+gMJyzj7lGnUaCIUoVVLJiZiHiNmNBU/765OrvbYEHJE0s3RR37MNtggU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738945606; c=relaxed/simple; bh=u+i95IR3MVOK1O+Tnb4juPc0WoJPr81JyopjZ2dKp/Q=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=N/pALjsynZ2NhfjWXp5Wh/ByZ+qTa7YFwnKo0WO9QU2suwFGboBKzRxBe+ryuWddnszvY0u5FB4inL4xi9Pin+zMhGrUXYh0L75X4Tc4+JJsUvXlmwyBYC+pJDMaZSqR3jOwMcbYNByNB9xZLT9ntC3WePJJjYrHpq7Zv1za0vg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=GCIZMgYT; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="GCIZMgYT" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4FE8AC4CED1; Fri, 7 Feb 2025 16:26:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1738945605; bh=u+i95IR3MVOK1O+Tnb4juPc0WoJPr81JyopjZ2dKp/Q=; h=From:Subject:Date:To:Cc:From; b=GCIZMgYTQkqmivbMNyPjb1wStpCQeA8rKEqwbug0hMrRDg2I9XcmWSxjbQov4GffM iG7RWsQDUZ+EFjoDaorFRmItUvlB0o6orqGjkiUEhbpg9js5j6hA2eZ8HhH7L3Arvy FgHa9pD/kWPIc5m6tFbR+XXdda6RbHr3aJE657YbTv7F22OuujNmWOW9+SQmEGeWaY I+BbFXFsioKC5DTmmyRFhxqh6cPSZhOCyanwcQHdA5/aESpfYWtuoq3vmkxFQ6dWT8 LnoOdk/LwG9lUtBaN/y5Up9fVOKh5ga2be98K25euO+4smAmFaL+b4bdR64voLHdjT VKcKI4YWr7bcQ== From: Lorenzo Bianconi Subject: [PATCH net-next v2 00/15] Introduce flowtable hw offloading in airoha_eth driver Date: Fri, 07 Feb 2025 17:26:15 +0100 Message-Id: <20250207-airoha-en7581-flowtable-offload-v2-0-3a2239692a67@kernel.org> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-B4-Tracking: v=1; b=H4sIACc0pmcC/42NTQ6CMBBGr0K6dkx/RNSV9zAspnQKjaQlU4Iaw t2tnMDd977Fe6vIxIGyuFWrYFpCDikW0IdKdAPGniC4wkJLXUsta8DAaUCg2NQXBX5MrxntSJB 82eiADCpljTUndKJYJiYf3nvh0RYeQp4Tf/bgon7v/+5FgQRnzrrzeG2sVPcncaTxmLgX7bZtX zMzGZPPAAAA X-Change-ID: 20250205-airoha-en7581-flowtable-offload-e3a11b3b34ad To: Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Felix Fietkau , Sean Wang , Matthias Brugger , AngeloGioacchino Del Regno , Philipp Zabel , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Lorenzo Bianconi , "Chester A. Unal" , Daniel Golle , DENG Qingfang , Andrew Lunn , Vladimir Oltean Cc: netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org, upstream@airoha.com, Christian Marangi X-Mailer: b4 0.14.2 X-Patchwork-Delegate: kuba@kernel.org 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). --- 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,