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[73.158.218.242]) by smtp.gmail.com with UTF8SMTPSA id 41be03b00d2f7-b55149526cfsm10207767a12.36.2025.09.22.08.39.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 22 Sep 2025 08:39:03 -0700 (PDT) Date: Mon, 22 Sep 2025 08:39:02 -0700 From: Stanislav Fomichev To: Lorenzo Bianconi Cc: Donald Hunter , Jakub Kicinski , "David S. Miller" , Eric Dumazet , Paolo Abeni , Simon Horman , Alexei Starovoitov , Daniel Borkmann , Jesper Dangaard Brouer , John Fastabend , Stanislav Fomichev , Andrew Lunn , Tony Nguyen , Przemek Kitszel , Alexander Lobakin , Andrii Nakryiko , Martin KaFai Lau , Eduard Zingerman , Song Liu , Yonghong Song , KP Singh , Hao Luo , Jiri Olsa , Shuah Khan , netdev@vger.kernel.org, bpf@vger.kernel.org, intel-wired-lan@lists.osuosl.org, linux-kselftest@vger.kernel.org Subject: Re: [PATCH RFC bpf-next 1/6] netlink: specs: Add XDP RX checksum capability to XDP metadata specs Message-ID: References: <20250920-xdp-meta-rxcksum-v1-0-35e76a8a84e7@kernel.org> <20250920-xdp-meta-rxcksum-v1-1-35e76a8a84e7@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: <20250920-xdp-meta-rxcksum-v1-1-35e76a8a84e7@kernel.org> On 09/20, Lorenzo Bianconi wrote: > Introduce XDP RX checksum capability to XDP metadata specs. XDP RX > checksum will be use by devices capable of exposing receive checksum > result via bpf_xdp_metadata_rx_checksum(). > > Signed-off-by: Lorenzo Bianconi > --- > Documentation/netlink/specs/netdev.yaml | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/Documentation/netlink/specs/netdev.yaml b/Documentation/netlink/specs/netdev.yaml > index e00d3fa1c152d7165e9485d6d383a2cc9cef7cfd..00699bf4a7fdb67c6b9ee3548098b0c933fd39a4 100644 > --- a/Documentation/netlink/specs/netdev.yaml > +++ b/Documentation/netlink/specs/netdev.yaml > @@ -61,6 +61,11 @@ definitions: > doc: | > Device is capable of exposing receive packet VLAN tag via > bpf_xdp_metadata_rx_vlan_tag(). > + - > + name: checksum > + doc: | > + Device is capable of exposing receive checksum result via > + bpf_xdp_metadata_rx_checksum(). > - > type: flags > name: xsk-flags nit: let's fold it into patch 2? Will be easier to git blame the feature..