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Message-ID: <20250206141538.549-1-darinzon@amazon.com> Date: Thu, 6 Feb 2025 16:15:34 +0200 From: David Arinzon <darinzon@...zon.com> To: David Miller <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>, <netdev@...r.kernel.org> CC: David Arinzon <darinzon@...zon.com>, Eric Dumazet <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>, Simon Horman <horms@...nel.org>, "Richard Cochran" <richardcochran@...il.com>, "Woodhouse, David" <dwmw@...zon.com>, "Machulsky, Zorik" <zorik@...zon.com>, "Matushevsky, Alexander" <matua@...zon.com>, Saeed Bshara <saeedb@...zon.com>, "Wilson, Matt" <msw@...zon.com>, "Liguori, Anthony" <aliguori@...zon.com>, "Bshara, Nafea" <nafea@...zon.com>, "Schmeilin, Evgeny" <evgenys@...zon.com>, "Belgazal, Netanel" <netanel@...zon.com>, "Saidi, Ali" <alisaidi@...zon.com>, "Herrenschmidt, Benjamin" <benh@...zon.com>, "Kiyanovski, Arthur" <akiyano@...zon.com>, "Dagan, Noam" <ndagan@...zon.com>, "Bernstein, Amit" <amitbern@...zon.com>, "Agroskin, Shay" <shayagr@...zon.com>, "Abboud, Osama" <osamaabb@...zon.com>, "Ostrovsky, Evgeny" <evostrov@...zon.com>, "Tabachnik, Ofir" <ofirt@...zon.com>, "Machnikowski, Maciek" <maciek@...hnikowski.net>, Rahul Rameshbabu <rrameshbabu@...dia.com>, Gal Pressman <gal@...dia.com> Subject: [PATCH v6 net-next 0/4] PHC support in ENA driver Changes in v6: - 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 (4): net: ena: Add PHC support in the ENA driver net: ena: PHC silent reset net: ena: Add PHC documentation net: ena: PHC enable through sysfs .../device_drivers/ethernet/amazon/ena.rst | 90 +++++++ 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 | 102 ++++++-- drivers/net/ethernet/amazon/ena/ena_netdev.c | 44 +++- drivers/net/ethernet/amazon/ena/ena_netdev.h | 6 + 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 | 83 ++++++ drivers/net/ethernet/amazon/ena/ena_sysfs.h | 28 ++ 14 files changed, 995 insertions(+), 29 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 -- 2.47.1
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