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Tue, 29 Sep 2026 16:34:05 -0700 (PDT) Date: Tue, 29 Sep 2026 16:32:24 -0700 From: Stanislav Fomichev To: Jakub Kicinski Cc: davem@davemloft.net, netdev@vger.kernel.org, edumazet@google.com, pabeni@redhat.com, andrew+netdev@lunn.ch, horms@kernel.org, jv@jvosburgh.net, hawk@kernel.org, sdf@fomichev.me, emil@etsalapatis.com, liuhangbin@gmail.com, bpf@vger.kernel.org, linux-kselftest@vger.kernel.org, willemdebruijn.kernel@gmail.com, aleksander.lobakin@intel.com Subject: Re: [PATCH net-next 2/5] netdevsim: add ndo_xdp_xmit Message-ID: References: <20260928223648.2739371-1-kuba@kernel.org> <20260928223648.2739371-3-kuba@kernel.org> 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: <20260928223648.2739371-3-kuba@kernel.org> On 09/28, Jakub Kicinski wrote: > Bonding refuses a slave which has no ndo_xdp_xmit once the bond runs an > XDP program, so netdevsim can't currently be enslaved into an XDP bond > and the propagation of XDP down to lower devices has no test coverage > at all. > > There is no data path behind it. netdevsim does not advertise > NETDEV_XDP_ACT_NDO_XMIT, so nothing should be redirecting frames here; > anything which does anyway is counted and freed rather than dropped > silently. > > Signed-off-by: Jakub Kicinski Acked-by: Stanislav Fomichev