From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-qk1-f170.google.com (mail-qk1-f170.google.com [209.85.222.170]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7735917B428 for ; Wed, 26 Jun 2024 10:29:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.222.170 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719397748; cv=none; b=DQDY4JUe89uIJoZ9wornYS1HQK6l9ahqfJBTBBhzz0jsCZuTeYX1V5Qn6qA6ISO1q1YjRlrFloGL0EkRR/ioMXRlprFlahcUuudAaO8/CkevGkvmGuhvZBH9jwvnaINebRI6tr/LgPENIiecIu+KlPTEX3VyMCt+0enf/uCwlzs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719397748; c=relaxed/simple; bh=mMqJNm5pg+CpAzskhKBm64JeZC3dj0pEo7U1/ATXe2s=; h=Date:From:To:Cc:Message-ID:In-Reply-To:References:Subject: Mime-Version:Content-Type; b=aMm08WO2Y5tWNHqYE/fp7iQIsK+RhKdUtX6q1ZX0CHX3dGSP7BS1++a6fins6OGgufiNoPBnawqw3kTZDz590BeVYFvboM3eWQhPX6QSqxqZzq5rHGNfHsHTnChO5L44EANO4R7Toq8QC3raoQHwHQpQZz5uMqihSfNm7OE80WU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=DhZr6B1E; arc=none smtp.client-ip=209.85.222.170 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="DhZr6B1E" Received: by mail-qk1-f170.google.com with SMTP id af79cd13be357-79c03dbddb8so168675885a.1 for ; Wed, 26 Jun 2024 03:29:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1719397746; x=1720002546; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:subject:references :in-reply-to:message-id:cc:to:from:date:from:to:cc:subject:date :message-id:reply-to; bh=wIm2OCePs4dz9lsRduDf3vRwY2zfTmFxbnXtvcLvM+M=; b=DhZr6B1ESmlU4KmdmiZ9EViARupAJb5rzjQ5HrAKJ40MJHu+V85xpdHCGji+kMpuai CFeryzQgfn3QHW9ngb5YD106k5lnLItGD7q6hjwbluvAeXqjq1PPLTGrYF0LDByETc3w 9frCvacq+kL/uFggPZPTiemWzIdzxPGALaTNe74lhEPuooL7yKwpB1C8Y/wumvg3mbA2 PwEsXBE4ggUsiBXIhMr+hbHDrECHShUIN96Ok2V0nhnUHEaQs99lsn4+d/rhF31uE7US 2c0djEHLr8ERSnfRheAqFiKEGaJAZFvDI4K4HI6IAvQjC3KP6Pq3VBUIdfYr5OmEuQa+ tamQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1719397746; x=1720002546; h=content-transfer-encoding:mime-version:subject:references :in-reply-to:message-id:cc:to:from:date:x-gm-message-state:from:to :cc:subject:date:message-id:reply-to; bh=wIm2OCePs4dz9lsRduDf3vRwY2zfTmFxbnXtvcLvM+M=; b=Kg9KQMKIQCxZ+PpEXKjcQpaoq8c3othHubyzabJCwzaU+X8RCiSDBFiKhRCY5JUXW8 QCRh4HO0K4WrssS0y9ftXKKKkgRGMHCyr6kHEKaVw7in5DoEs4a/K1XBCRgIuBXSry97 kh808YN2Wnbu/ZMJbgpKsK1hgl+w8uU+sZbt5AxSm+fGi8NUv0Ti3PpXsL50t0xoJmO4 S/CWdFEG3XdrQLQMHe3uudi+36BkuqacFuL17fQvyFt/Cb4j+wAcA3vGPvj7c7ZRRAu6 J/+VlGQJH0FIBNc3dps6d+0YYMgPpRtxneqR5e7NUh8wHc06sO/XqDoptcIMiAzT3VE6 qINQ== X-Gm-Message-State: AOJu0YwM60YXT9ErAszZKPx1/6yjeQb9W+VkrEucO/0lqA3Tnq/6eEbD u4h1D0NBj9XiJCpwnov18ysVW/JZrE6FFagyhYRmjaJSWkmZ6pLx X-Google-Smtp-Source: AGHT+IEW/kHEafLbWl4pZBxpLVlkyjWV0Tx1yrCwQ91ov2kIQMKYiax5CkqnCAUNInFDQUm2MvGRzg== X-Received: by 2002:a05:620a:2955:b0:79c:ae2d:34ba with SMTP id af79cd13be357-79cae2d378dmr151845285a.26.1719397746308; Wed, 26 Jun 2024 03:29:06 -0700 (PDT) Received: from localhost (56.148.86.34.bc.googleusercontent.com. [34.86.148.56]) by smtp.gmail.com with ESMTPSA id af79cd13be357-79bce8b18fbsm491085985a.39.2024.06.26.03.29.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 26 Jun 2024 03:29:05 -0700 (PDT) Date: Wed, 26 Jun 2024 06:29:05 -0400 From: Willem de Bruijn To: Jakub Kicinski , davem@davemloft.net Cc: netdev@vger.kernel.org, edumazet@google.com, pabeni@redhat.com, willemdebruijn.kernel@gmail.com, ecree.xilinx@gmail.com, dw@davidwei.uk, przemyslaw.kitszel@intel.com, michael.chan@broadcom.com, andrew.gospodarek@broadcom.com, leitao@debian.org, petrm@nvidia.com, Jakub Kicinski Message-ID: <667bed719d151_3cd03a2944c@willemb.c.googlers.com.notmuch> In-Reply-To: <20240626012456.2326192-3-kuba@kernel.org> References: <20240626012456.2326192-1-kuba@kernel.org> <20240626012456.2326192-3-kuba@kernel.org> Subject: Re: [PATCH net-next v3 2/4] selftests: drv-net: add helper to wait for HW stats to sync Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Jakub Kicinski wrote: > Some devices DMA stats to the host periodically. Add a helper > which can wait for that to happen, based on frequency reported > by the driver in ethtool. > > Signed-off-by: Jakub Kicinski Reviewed-by: Willem de Bruijn