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 8D8FFCD98F0 for ; Wed, 17 Jun 2026 21:11:59 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 8F86F40268; Wed, 17 Jun 2026 23:11:58 +0200 (CEST) Received: from mail-yw1-f182.google.com (mail-yw1-f182.google.com [209.85.128.182]) by mails.dpdk.org (Postfix) with ESMTP id A1F7C4014F for ; Wed, 17 Jun 2026 23:11:56 +0200 (CEST) Received: by mail-yw1-f182.google.com with SMTP id 00721157ae682-7ffbc4d8b8eso3003547b3.2 for ; Wed, 17 Jun 2026 14:11:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20251104.gappssmtp.com; s=20251104; t=1781730716; x=1782335516; darn=dpdk.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:from:to:cc:subject:date :message-id:reply-to; bh=3ZwRUpXY4cb3dfFflhptGsQ9DItvhTcZTxj+QfenbmQ=; b=ifR19Ygso75EobdQOLbS4yZ+4Sa9dBU5f9kY9CNtij0pnZLzsisU2GHQEl11JeSPMm PkrdffDMeY+JN9eeoSd5bVL+w+Sbl8n/Cu0OnxZKjgm/Qyy5HxlD1TexuFpmLlD0NZzH XP3P4sRhMNkbWiDIBIQrzluJAGCSQdjI+6OgVAHLhmgN9qRjAOMflc/YctoUZ/a9SfjW kJaZsMdhhlayepwjcRTQM4neMcP6GBHo5SooF47u97kgGz6rN1yvup+M5HQ8/DmH+P6p 0ISN7D21BZUq/gqDILJJNS3cfJ64TplT3MPbZnwgi4GtL7DuhJforCKMHt2LeRbcEyuG 8lVw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1781730716; x=1782335516; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=3ZwRUpXY4cb3dfFflhptGsQ9DItvhTcZTxj+QfenbmQ=; b=mnUQBrFqKdjoAlOBkKEHxpBg9xe7ggElJFd1GQzyLvW1OLDzUGCSZ9xvnKK5d6t/xX CQP4GxvLKEs5NIUWDFfCCZLCD1eY29QLzFoAz/Wpbt4zGgMT5H0vx3J8t7hTAe1yvwdt iP+bzM5VyMoDdNoDQrNv9Owf8QSuVD3/O4EKsJ02midKhwKtu6eRMZwThdadHNFYuptZ cfR+fJ5SRPeDos4X+d07xf2hD1qcs0n7zgfCL7KECUB1L0k1AgAhN9pOwUc7s12+74kB xuKZ/E/A/Y1hNnMd8rEF7H6s9/0I7Bpc6qIrGqmuJymfjkT0/8kIfOoEFh7YpVnBqrrR Ky3Q== X-Gm-Message-State: AOJu0Yx4HI9aE8gYLuHzz5NTgdY1tU8OkV9MeNQm6TPMRFvXQ5OIoDTZ FeITwlNnMBZ3FwaQbZ58j+cFzPzBYIs2HQYzzD0qm6M9TZnQ1yP6oDO2qRhL7Iv60mQ= X-Gm-Gg: AfdE7ckQId5QoFRNZWx52Q6nBqx3D0WsPdMGOZNMr+Grnje96517N8FAM+kG0xTaj3V LoYdbR+aAqWYWNoLu4D34TnTw/jrbgGUtVTK1jnhH+TB1wLYZfG/Vl80wxQlz0zmhOfvd2EhLPP m+cP1PccHqmWLZ9YHIpO7cByz9sDKI8PTwu7hbluiwzwKQ9IYq1H29Z8qqsO3S97YH/xUxV8atS QP+QIePac/ILHLr8Ru/pokxZu3ZL1Z2kwJlySdehXbk9DGMhtfOcjIbyvFG8Y9aYpaTpAVwp2Z9 Mn9zgcN3zM6plKHruY/+hAJgMClQ52GY7WecqZZ+C3Fkj1R/27cP/uKuo8+UEseNKBhTB62590i 1OBFA0Ja29OdY8u+zzcL6LHUuaE7cTHJrlqSnmsSfABpAJIMn5n3ymLHEU5pyE2kLHp9fi94IkO hF6eEZfeTV5P3ryLf/2swOjahig0G6xYkC8UcTxB4rhN0wZDdjwkc7W6j8VkurgE6A X-Received: by 2002:a05:690c:6008:b0:7bd:5c9d:dc6f with SMTP id 00721157ae682-7ffc4f523d5mr7564577b3.1.1781730715961; Wed, 17 Jun 2026 14:11:55 -0700 (PDT) Received: from phoenix.local (204-195-96-226.wavecable.com. [204.195.96.226]) by smtp.gmail.com with ESMTPSA id 00721157ae682-7ff6a424db9sm13057567b3.22.2026.06.17.14.11.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Jun 2026 14:11:55 -0700 (PDT) Date: Wed, 17 Jun 2026 14:11:52 -0700 From: Stephen Hemminger To: Mark Blasko Cc: dev@dpdk.org, joshwash@google.com, jtranoleary@google.com Subject: Re: [PATCH v5 0/6] net/gve: add hardware timestamping support Message-ID: <20260617141152.3cf8b191@phoenix.local> In-Reply-To: <20260617000712.2195506-1-blasko@google.com> References: <20260613042300.3760470-1-blasko@google.com> <20260617000712.2195506-1-blasko@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit 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 On Wed, 17 Jun 2026 00:07:04 +0000 Mark Blasko wrote: > 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 a dedicated control thread, > 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. Applied to next-net