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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Jonathan Corbet , Shuah Khan , Alex Shi , Yanteng Si , Dongliang Mu , Michael Chan , Pavan Chebbi , Joshua Washington , Harshitha Ramamurthy , Saeed Mahameed , Tariq Toukan , Mark Bloch , Leon Romanovsky , Alexander Duyck , kernel-team@meta.com, Daniel Borkmann , Nikolay Aleksandrov , Shuah Khan , dw@davidwei.uk, mohsin.bashr@gmail.com, willemb@google.com, jiang.kun2@zte.com.cn, xu.xin16@zte.com.cn, wang.yaxin@zte.com.cn, netdev@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, bpf@vger.kernel.org, linux-kselftest@vger.kernel.org, Stanislav Fomichev , Mina Almasry , Bobby Eshleman Subject: Re: [PATCH net-next v3 4/8] selftests: drv-net: ncdevmem: add -n flag to skip NIC configuration Message-ID: References: <20260507-tcp-dm-netkit-v3-0-52821445867c@meta.com> <20260507-tcp-dm-netkit-v3-4-52821445867c@meta.com> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20260507-tcp-dm-netkit-v3-4-52821445867c@meta.com> On 05/07, Bobby Eshleman wrote: > From: Bobby Eshleman > > Add a -n (skip_config) flag that causes ncdevmem to skip NIC > configuration when operating as an RX server. When -n is passed, > ncdevmem skips configuring header split, RSS, and flow steering, as well > as their teardown on exit. > > This allows ksft tests to pre-configure the NIC in the host namespace > before launching ncdevmem in the guest namespace. This is needed for > netkit devmem tests where the test harness namespace has direct access > to the NIC and the ncdevmem namespace does not. > > Signed-off-by: Bobby Eshleman Acked-by: Stanislav Fomichev