From patchwork Fri Feb 28 10:54:08 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Bianconi X-Patchwork-Id: 13996217 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 6D7491B4250; Fri, 28 Feb 2025 10:54:29 +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=1740740069; cv=none; b=F/e+x5kyJHiGSfG2Dl00Pzm8iWEsa6iH8XvMaLyfAw6rTfYXn3Qz1MoTZdgcZMfOOnnxnWj9FUDCXPrXuyWJT10MC4PJL8uqrq0VCoXK/wqKWLC9AcPak8PSOtcCeu2t/LJzabPdvNXie0QGMDO9+fDxZxCz/talV1huGrVHn1c= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740740069; c=relaxed/simple; bh=D378USUaujIOtk3JUxmuhX8B+XhE/CL+/pfeMthqgwk=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=UsYQCSSxk0l1UQcW3k7K64jVjk59p/r/4EIToDYck6n42yvgA4665iu7RGqBgzDxpf7wYVP7Wcl7I8iwBNdPMmil2eMt73bB3qNTWq9btXoN//hyfZ0ivwevLEWvryXDoCNY3OXy3whZrSgMJlGX+zeGejwi0C6mX1Pv4ZiVzNk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=hfeP8FLY; 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="hfeP8FLY" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6B7E9C4CED6; Fri, 28 Feb 2025 10:54:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1740740068; bh=D378USUaujIOtk3JUxmuhX8B+XhE/CL+/pfeMthqgwk=; h=From:Subject:Date:To:Cc:From; b=hfeP8FLYk+uGh95AyYg6p7IDmqj2gw0NYL/h0yN6vOtfFGIVhx3r6vVR/ea07VsIs i+vaF8ucj2/o/B9w7yCKjnfSd8YliktJyZwen/dMlI+M72KkKRkaBRt0BRbfAoAegi 9pqtKMOpFOt9NXon/4HC48K42i5QwfmArXtX5vujHF8UFrslfjSYzyuBGsBsJPeQC1 XctCWdacskBlHxuMChCsQTWzYDQK3nEf4hGck3kfmyX5F9ty6CWE9Q0qMF5FrwYbgW jtUSEsOqvCktHTNBhWITvVkFywgCau6qSGw9tw28aICDUpiRTye8s0q/hahqJsdwqK RwgsFMSdPI4xw== From: Lorenzo Bianconi Subject: [PATCH net-next v8 00/15] Introduce flowtable hw offloading in airoha_eth driver Date: Fri, 28 Feb 2025 11:54:08 +0100 Message-Id: <20250228-airoha-en7581-flowtable-offload-v8-0-01dc1653f46e@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=H4sIANCVwWcC/43RTW7DIBAF4KtErEsFDD+mq96j6mIw4xg1MhGO3 FaR716cFZUXzo7H4hvecGczlUQzezvdWaElzSlPNXQvJ9aPOJ2Jp1gzU0IZoYThmEoekdPkTCf 5cMnfNwwX4nmoZ4ycAKUMEEBjZFW5FhrSz2PCx2fNY5pvufw+Bi5yu33eXiQXPIJV/YDeBSHfv 6hMdHnN5cw2fFEt6I5BVUFApcBbr9C6HQgt6I9B2F4Y0ApyxhgLO1A3oIRjUFcwWN+jtNHpGHa gacEnKpsKqi6QF7IPDswOtA2o5DFot8rGAw6CvO72O3QtqI9Bt1XW9VcwdmA1/QPXdf0D9Faju LUCAAA= 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, Sayantan Nandy , Christian Marangi , Krzysztof Kozlowski 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 v8: - Remove unnecessary GFP_ZERO flag in dmam_alloc_coherent() - Fix 802.1q offloading support - Link to v7: https://lore.kernel.org/r/20250224-airoha-en7581-flowtable-offload-v7-0-b4a22ad8364e@kernel.org Changes in v7: - Fix Coccicheck warnings - Add missing request_module - Introduce ops in airoha_npu struct - Add missing wlan interrupt to airoha_npu binding - Link to v6: https://lore.kernel.org/r/20250221-airoha-en7581-flowtable-offload-v6-0-d593af0e9487@kernel.org Changes in v6: - Fix Smatch errors. - Remove unnecessary GFP_DMA allocating NPU buffers - Remove wrong dma coherent mask - Rely on skb_cow_head() instead of skb_ensure_writable() in airoha_get_dsa_tag() - Unregister net_device before deallocating metadata_dst - Link to v5: https://lore.kernel.org/r/20250217-airoha-en7581-flowtable-offload-v5-0-28be901cb735@kernel.org Changes in v5: - Fix uninitialized variable in airoha_ppe_setup_tc_block_cb() - Rebase on top of net-next - Link to v4: https://lore.kernel.org/r/20250213-airoha-en7581-flowtable-offload-v4-0-b69ca16d74db@kernel.org Changes in v4: - Add dedicated driver for the Airoha NPU module - Move airoha npu binding in net - Link to v3: https://lore.kernel.org/r/20250209-airoha-en7581-flowtable-offload-v3-0-dba60e755563@kernel.org Changes in v3: - Fix TSO support for header cloned skbs - Do not use skb_pull_rcsum() in airoha_get_dsa_tag() - Fix head lean computation after running airoha_get_dsa_tag() in airoha_dev_xmit() - Link to v2: https://lore.kernel.org/r/20250207-airoha-en7581-flowtable-offload-v2-0-3a2239692a67@kernel.org 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: net: airoha: Add the NPU node for EN7581 SoC dt-bindings: net: airoha: Add airoha,npu phandle property net: airoha: Introduce Airoha NPU support net: airoha: Introduce flowtable offload support net: airoha: Add loopback support for GDM2 net: airoha: Introduce PPE debugfs support .../devicetree/bindings/net/airoha,en7581-eth.yaml | 10 + .../devicetree/bindings/net/airoha,en7581-npu.yaml | 84 ++ 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 | 27 + drivers/net/ethernet/airoha/Makefile | 9 + .../net/ethernet/{mediatek => airoha}/airoha_eth.c | 1277 +++++--------------- drivers/net/ethernet/airoha/airoha_eth.h | 551 +++++++++ drivers/net/ethernet/airoha/airoha_npu.c | 520 ++++++++ drivers/net/ethernet/airoha/airoha_npu.h | 34 + drivers/net/ethernet/airoha/airoha_ppe.c | 910 ++++++++++++++ drivers/net/ethernet/airoha/airoha_ppe_debugfs.c | 181 +++ drivers/net/ethernet/airoha/airoha_regs.h | 798 ++++++++++++ drivers/net/ethernet/mediatek/Kconfig | 8 - drivers/net/ethernet/mediatek/Makefile | 1 - 17 files changed, 3422 insertions(+), 1000 deletions(-) --- base-commit: 56794b5862c5a9aefcf2b703257c6fb93f76573e change-id: 20250205-airoha-en7581-flowtable-offload-e3a11b3b34ad Best regards,