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Tue, 18 Feb 2025 18:40:01 +0000 Received: from EX19MTAUEA002.ant.amazon.com (10.252.134.9) by EX19D008UEA003.ant.amazon.com (10.252.134.116) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.1544.14; Tue, 18 Feb 2025 18:40:01 +0000 Received: from email-imr-corp-prod-pdx-all-2b-dbd438cc.us-west-2.amazon.com (10.43.8.2) by mail-relay.amazon.com (10.252.134.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.1258.39 via Frontend Transport; Tue, 18 Feb 2025 18:40:01 +0000 Received: from HFA15-G9FV5D3.amazon.com (unknown [10.85.143.176]) by email-imr-corp-prod-pdx-all-2b-dbd438cc.us-west-2.amazon.com (Postfix) with ESMTP id 448D4A0065; Tue, 18 Feb 2025 18:39:54 +0000 (UTC) From: David Arinzon To: David Miller , Jakub Kicinski , CC: David Arinzon , Eric Dumazet , Paolo Abeni , Simon Horman , "Richard Cochran" , "Woodhouse, David" , "Machulsky, Zorik" , "Matushevsky, Alexander" , Saeed Bshara , "Wilson, Matt" , "Liguori, Anthony" , "Bshara, Nafea" , "Schmeilin, Evgeny" , "Belgazal, Netanel" , "Saidi, Ali" , "Herrenschmidt, Benjamin" , "Kiyanovski, Arthur" , "Dagan, Noam" , "Bernstein, Amit" , "Agroskin, Shay" , "Abboud, Osama" , "Ostrovsky, Evgeny" , "Tabachnik, Ofir" , "Machnikowski, Maciek" , Rahul Rameshbabu , Gal Pressman , Vadim Fedorenko Subject: [PATCH v7 net-next 0/5] PHC support in ENA driver Date: Tue, 18 Feb 2025 20:39:43 +0200 Message-ID: <20250218183948.757-1-darinzon@amazon.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Delegate: kuba@kernel.org Changes in v7: - Move PHC stats to sysfs - Add information about PHC enablement - Remove unrelated style changes Changes in v6 (https://lore.kernel.org/netdev/20250206141538.549-1-darinzon@amazon.com/): - Remove PHC error bound Changes in v5 (https://lore.kernel.org/netdev/20250122102040.752-1-darinzon@amazon.com/): - Add PHC error bound - Add PHC enablement and error bound retrieval through sysfs Changes in v4 (https://lore.kernel.org/netdev/20241114095930.200-1-darinzon@amazon.com/): - Minor documentation change (resolution instead of accuracy) Changes in v3 (https://lore.kernel.org/netdev/20241103113140.275-1-darinzon@amazon.com/): - Resolve a compilation error Changes in v2 (https://lore.kernel.org/netdev/20241031085245.18146-1-darinzon@amazon.com/): - CCd PTP maintainer - Fixed style issues - Fixed documentation warning v1 (https://lore.kernel.org/netdev/20241021052011.591-1-darinzon@amazon.com/) This patchset adds the support for PHC (PTP Hardware Clock) in the ENA driver. The documentation part of the patchset includes additional information, including statistics, utilization and invocation examples through the testptp utility. David Arinzon (5): net: ena: Add PHC support in the ENA driver net: ena: PHC silent reset net: ena: PHC enable through sysfs net: ena: PHC stats through sysfs net: ena: Add PHC documentation .../device_drivers/ethernet/amazon/ena.rst | 96 +++++++ drivers/net/ethernet/amazon/Kconfig | 1 + drivers/net/ethernet/amazon/ena/Makefile | 2 +- .../net/ethernet/amazon/ena/ena_admin_defs.h | 63 ++++- drivers/net/ethernet/amazon/ena/ena_com.c | 247 ++++++++++++++++++ drivers/net/ethernet/amazon/ena/ena_com.h | 83 ++++++ drivers/net/ethernet/amazon/ena/ena_ethtool.c | 21 +- drivers/net/ethernet/amazon/ena/ena_netdev.c | 44 +++- drivers/net/ethernet/amazon/ena/ena_netdev.h | 12 + drivers/net/ethernet/amazon/ena/ena_phc.c | 230 ++++++++++++++++ drivers/net/ethernet/amazon/ena/ena_phc.h | 37 +++ .../net/ethernet/amazon/ena/ena_regs_defs.h | 8 + drivers/net/ethernet/amazon/ena/ena_sysfs.c | 133 ++++++++++ drivers/net/ethernet/amazon/ena/ena_sysfs.h | 28 ++ 14 files changed, 990 insertions(+), 15 deletions(-) create mode 100644 drivers/net/ethernet/amazon/ena/ena_phc.c create mode 100644 drivers/net/ethernet/amazon/ena/ena_phc.h create mode 100644 drivers/net/ethernet/amazon/ena/ena_sysfs.c create mode 100644 drivers/net/ethernet/amazon/ena/ena_sysfs.h