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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: linux-kernel@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