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 0D758CD4855 for ; Tue, 12 May 2026 08:26:57 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 473954060F; Tue, 12 May 2026 10:26:57 +0200 (CEST) Received: from mail-lj1-f174.google.com (mail-lj1-f174.google.com [209.85.208.174]) by mails.dpdk.org (Postfix) with ESMTP id 5BA65400D7 for ; Tue, 12 May 2026 10:26:55 +0200 (CEST) Received: by mail-lj1-f174.google.com with SMTP id 38308e7fff4ca-392445f11c5so52885971fa.1 for ; Tue, 12 May 2026 01:26:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20251104.gappssmtp.com; s=20251104; t=1778574415; x=1779179215; 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=gKwnRDaRq2TdBnG+0IZY6Khkv01MSnaDFHEA4ABx6U8=; b=q1cJfAxI0cq5Pd5nGrcVyoCRlCBJ3sxty2WelCxqwsD/HLXingI+v5tvsN9hZUCEli O8da3eVDLddo8PnkTeWaKiSupqW5Vd4nBPEEJW2hfPZxpoh1RdtZfQyRjIMbH2u6/PcK kA8ccIKRIj5XwiEC42COMdX4Tm0IFs+/Dqv6pjeOHabeCLgrwtNNhYs3qC5ZEbY/xNHf AbZhtKaXLxXySo1WYEQ4l1A2K9rU4J9lSHKBfrb52NrEo35XjD1ppY+fVpwiyEdD45a8 XOBMDQWiYOGE/ZPRcZZ4HrQx/SEzvpW33ufTljoIV2efUaCqdDs/VMQQHf2bLY3cHDyZ q2Hg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1778574415; x=1779179215; 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=gKwnRDaRq2TdBnG+0IZY6Khkv01MSnaDFHEA4ABx6U8=; b=RqIqSrD9ULN1rOkYeyKgQXLRwsDRB0PKp//XgKe0jYSUsMbb4gtBoPFLMp2RHHYzOE 6Cu+6GGRdcd+AAc5kbizBaBX/TfuNPiHwU4MjesBnIpn3eKiVqx7fYuW9oZJveCsH0RG mxdru6au7Vo8F+ewZS/0XjMwOZCDfLyMF8Sg+3IPGq/na5uc9R9ab0FQkqnhgtwn1VH3 fjJ8RQIFhkfiuGDD2slCfvfNkso/gVDvXsLqtszu6bjvoyyphZoRyoNucu8ob/VuWHvY utspSZDa9pbt5C9qkwniB6wDUK6obVYkGBiieI9AEDprACE1b+XjQJQl1eHP/YeJDNWj kPdw== X-Gm-Message-State: AOJu0YzkLHbjpUQZZwMmzAvCKgtk7qWLYqCqu2s5kgslJ5+a6AVYdWhH s761Il0YxCrK3zMAPtkfJVvNBacKocP/to+/wX4u0p0nnagEsIokd7VVKIeMVLJw8LDWZ01W5oH 0CEwV6tmBbQ== X-Gm-Gg: Acq92OEnou6CTFFYC0Lv8ZedKRI5hpM6FuPRtunydIc503X0JKEOWzJ0TcB59k+cQ7S VsECZSKPud8241eMADDvDu3e7pIGztYrRyCS1aX8B69jsDOLme6PaYqPS/mZbB8aAi/KSUjCMPC NoVae/gALBLbXVKDe48ftFMOJTkCtBRYTP6PH6c2yjzMWdZBEPSMzRWWlkhScg9f8lAB60yXXH5 nnyKmgl2SHP3/bv0DnrzHQTNx0/AxCzLSCk/9U9OizK7PWW8TDWZNXcQMRLHWNtIwgeHJjFyB69 ct3ALeMVR7ScJM3NowuklrhKuKYuLHPX8dSAHKfFK8IuLvLjGJKmkxFgm6kfDVCmLwaPzF2smoW 8GKo23Peui8pldkfrJc6Bcsf5O6ObMtde1agMGD1hfJ+m96ZJY/vT1vSEBrRXrxgHFEGCEedfgE TpsL4+n8w2WbL47KsGqEOgjso8EGnmt4zLW+b/FznNk+LHLReb2xs= X-Received: by 2002:a2e:2e18:0:b0:38c:c0de:d58f with SMTP id 38308e7fff4ca-3943865ec55mr6645171fa.14.1778574414736; Tue, 12 May 2026 01:26:54 -0700 (PDT) Received: from stephen-xps.local ([62.119.255.230]) by smtp.gmail.com with ESMTPSA id 38308e7fff4ca-393f5f3a2afsm32290331fa.13.2026.05.12.01.26.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 12 May 2026 01:26:54 -0700 (PDT) Date: Tue, 12 May 2026 10:26:51 +0200 From: Stephen Hemminger To: Mark Blasko Cc: dev@dpdk.org Subject: Re: [PATCH 0/6] net/gve: add hardware timestamping support Message-ID: <20260512102651.643ddb8c@stephen-xps.local> In-Reply-To: <20260512005404.946979-1-blasko@google.com> References: <20260512005404.946979-1-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 Tue, 12 May 2026 00:53:47 +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 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 > > .mailmap | 1 + > 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 +++++ > 10 files changed, 378 insertions(+), 22 deletions(-) > Please rate limit submissions to mailing list to one series per day.