From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9A2F8CD4F26 for ; Tue, 12 May 2026 07:57:00 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 96440406A2; Tue, 12 May 2026 09:56:01 +0200 (CEST) Received: from mail-qt1-f201.google.com (mail-qt1-f201.google.com [209.85.160.201]) by mails.dpdk.org (Postfix) with ESMTP id A99F4402DF for ; Tue, 12 May 2026 00:44:01 +0200 (CEST) Received: by mail-qt1-f201.google.com with SMTP id d75a77b69052e-50da31af14cso114299351cf.1 for ; Mon, 11 May 2026 15:44:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1778539441; x=1779144241; darn=dpdk.org; h=cc:to:from:subject:message-id:mime-version:date:from:to:cc:subject :date:message-id:reply-to; bh=K0SQBcVNBF19tHvkuf2YJfJPa34TCVkJ1j0nomeq7Ws=; b=YsLvwMIaGZ6LC5nxOY1pylxF8pJAxF9JYMqDH3TkYvEPUWo9Ng6o5xNyIsrs+cpRms tOFWuXKhapklW2Wi2740PM7/Rzw4IVL/9LHmTKs+JR9j1foQaqJkGBUdSj7qhRsS33UD bAnJfIg2fQd9wKKSbZGNn7iIzmgkW4AzFMjdOyXcMWPa8HwUP68sn5aRP2N+8GVjvvLi SmQHFHLwEZ1zSSax2e2fFXGmLdHUiP6RUzmeueEOWl1UVxWL1RBhoKhGGckEvNvDhd2s EKOHgeYzx398EjJBEiYYYIfVBgz8KT6MkR81LFIvwCFFmjhGwO4QQwfjYq5nu8CcjlIU kFRQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1778539441; x=1779144241; h=cc:to:from:subject:message-id:mime-version:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=K0SQBcVNBF19tHvkuf2YJfJPa34TCVkJ1j0nomeq7Ws=; b=jJaBj1AoBNcUURCZEsShREWTNwrFEY8QmVrASo4a7TsKEtbcfF0mvWxV1r95zYEM1r hP8HJAnKwiOI774XXWTMUDpLNuhvWWbdeQjvbZ9tFAY5XAsWmUxBWyuHhTRnyineKGm8 HVhLFcsdrf0reIlSpILJsplqwLBRn7WFvjjBsBIEfKds+ZfTDhKCZL53zEzSOQBa0rqZ G9oVsOl4a90HKhKK8tyzYSBzg8UUbTGryN9I5mJFHvIx4+lVs0DSyytn81Q/T3hY1rPH 4wowJstPMUIrFSpIU1ok12iLD7TlZ0bYxjdyrUMdJe8TqDBu+JZao5Tdbb2/kidpGY3G AFFw== X-Gm-Message-State: AOJu0YxGSEFEKyYzpXNQtFh18xqlJKlGVyJTNsTua/NVADz03Ut6IR9v hB1jY7filJ78/wnyM8aqMxD/R4lNb4L+D/GnLRKT6wigFG2VR24cUlThZ8YlYyW5ljnXy2fLlLM D9XFzjQ== X-Received: from qvbod13.prod.google.com ([2002:a05:6214:2f0d:b0:8b6:bda5:2dc3]) (user=blasko job=prod-delivery.src-stubby-dispatcher) by 2002:ac8:7d56:0:b0:50e:5aed:caea with SMTP id d75a77b69052e-51461bea0f5mr394657271cf.14.1778539440746; Mon, 11 May 2026 15:44:00 -0700 (PDT) Date: Mon, 11 May 2026 22:43:48 +0000 Mime-Version: 1.0 X-Mailer: git-send-email 2.54.0.563.g4f69b47b94-goog Message-ID: <20260511224354.872997-1-blasko@google.com> Subject: [PATCH 0/6] net/gve: add hardware timestamping support From: mark-blasko To: stephen@networkplumber.org Cc: dev@dpdk.org, Mark Blasko Content-Type: text/plain; charset="UTF-8" X-Mailman-Approved-At: Tue, 12 May 2026 09:55:49 +0200 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org From: Mark Blasko This patch series introduces support for GVE hardware timestamping on DQO queues. To support concurrent access, a mutex lock is introduced to protect admin queue operations. A mechanism is then added to periodically synchronize the NIC clock via AdminQ, and support is introduced for the read_clock ethdev operation. Finally, the RX datapath is updated to reconstruct full 64-bit timestamps from the 32-bit values in DQO descriptors. Mark Blasko (6): net/gve: add thread safety to admin queue net/gve: add device option support for HW timestamps net/gve: add AdminQ command for NIC timestamps net/gve: add periodic NIC clock synchronization net/gve: support read clock ethdev op net/gve: reconstruct HW timestamps from DQO doc/guides/nics/features/gve.ini | 1 + doc/guides/nics/gve.rst | 18 +++ doc/guides/rel_notes/release_26_07.rst | 3 + drivers/net/gve/base/gve_adminq.c | 127 +++++++++++++++++---- drivers/net/gve/base/gve_adminq.h | 29 +++++ drivers/net/gve/base/gve_desc_dqo.h | 8 +- drivers/net/gve/gve_ethdev.c | 148 ++++++++++++++++++++++++- drivers/net/gve/gve_ethdev.h | 39 +++++++ drivers/net/gve/gve_rx_dqo.c | 26 +++++ 9 files changed, 377 insertions(+), 22 deletions(-) -- 2.54.0.563.g4f69b47b94-goog