From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D04484437C; Sat, 1 Jun 2024 23:05:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717283135; cv=none; b=DKADI7k9A5RaOFdjxcw2J+xQAFebUFcpWOG5jJYjtEp6RgIA8V9hKX2RggUrgiBB4nQFtN6qVcRLrF4T5TWlULwh1mviYh+Pb7TLn1qf8Cjn3P3W6ntpz6P92iSkeREzFdqN6MW0qyYhcTUoLljaX+1ZYqNZZEvaKOaMmLLj9W4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717283135; c=relaxed/simple; bh=vXRysHJ7OeR347JX0djOMnBBqz7wH9yNpRItiF160IQ=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=AuvkbTmx7MRQnx0crqSExmWchqqjo32c0kMW74YdWABn3uyaSDB3Vn2O5KbvvxkVNXiXwNN4cpnVCaFolVDM9g+nI75ym/s1A3+1KU5ETVkmdTq/bOSDKMbmVY9af3VVYriXkS4iHCiRXxLETtxroCb66u8oGooS//5Ym9EVVL4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=H41Tfx7i; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="H41Tfx7i" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1870CC32786; Sat, 1 Jun 2024 23:05:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1717283135; bh=vXRysHJ7OeR347JX0djOMnBBqz7wH9yNpRItiF160IQ=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=H41Tfx7iKRNU2t0Qkcr2oG7OsGBkl10nagtBXQ24nOD5kbr1K6oLb05gQP1Z+R+uq OEUPbKH1w8STff1izqVMVuoxJjqgWpCzsRjEkW4EHPVAobl83ld8mGONP0GZRHDw0h s0966ARJDNjBBwE42z2quFtY+OI3MljcbbxpG6Dn8kRQOxPcT71sgcygfRX73LYT0o wmRI9xyp7SKfJ+snBowXEDsM3IzYszUEOKleil5ZUTmV0OqZQXjWbJ1heugscFx8cJ pHfixadXDo4kcRhmh1lJBo6M1FBuuz2V2z/Lh1/bjPWde/9oudK7veiJybFom32PMS 5Eb+y8U/eTCeQ== Date: Sat, 1 Jun 2024 16:05:34 -0700 From: Jakub Kicinski To: Ronak Doshi Cc: , Broadcom internal kernel review list , "David S. Miller" , Eric Dumazet , Paolo Abeni , open list Subject: Re: [PATCH v2 net-next 0/4] vmxnet3: upgrade to version 9 Message-ID: <20240601160534.5478fa47@kernel.org> In-Reply-To: <20240531193050.4132-1-ronak.doshi@broadcom.com> References: <20240531193050.4132-1-ronak.doshi@broadcom.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Fri, 31 May 2024 12:30:45 -0700 Ronak Doshi wrote: > vmxnet3 emulation has recently added timestamping feature which allows the > hypervisor (ESXi) to calculate latency from guest virtual NIC driver to all > the way up to the physical NIC. This patch series extends vmxnet3 driver > to leverage these new feature. > > Compatibility is maintained using existing vmxnet3 versioning mechanism as > follows: > - new features added to vmxnet3 emulation are associated with new vmxnet3 > version viz. vmxnet3 version 9. > - emulation advertises all the versions it supports to the driver. > - during initialization, vmxnet3 driver picks the highest version number > supported by both the emulation and the driver and configures emulation > to run at that version. Please review: https://lore.kernel.org/all/20240531103711.101961-1-mstocker@barracuda.com/ It may be worth reading: https://docs.kernel.org/next/maintainer/feature-and-driver-maintainers.html