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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.. 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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 Message-ID: References: <20250920-xdp-meta-rxcksum-v1-0-35e76a8a84e7@kernel.org> <20250920-xdp-meta-rxcksum-v1-1-35e76a8a84e7@kernel.org> 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> X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1758555544; x=1759160344; darn=lists.osuosl.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=/+2ag/iV4mxazDtCnvPykVJFi1jwwbRDl7dA4X3Ytkc=; b=WyN3/srjgvRVr0iMroMVMq/AEenKKS7egQwcSqC3OCW8xFrYuGGres0Bz2LS4Q3Ar7 ZzQwaSFs+mgX0gvuVDLThcvXaxGi/T2Do56s8jnMRiY5Fc+e4W8fS3ncN7PjY6XRhCy6 4dIVVuHviYN9Rxson7O1N1KiJmF0oieB7In/4NUtMQhO+xG8Jc3LuYRwk+Wyz2JMyXLz EYXR6qMfjeIoezBnUOJFM0bC/kHxGE06x4x16wOQTJLK2g8XJHbyk8RIisB9TaWVbC4/ 6Ga54yImFecjkYhwPWsk/Gq4E/dFPy/r68Ynpo/8BmN9o8icseUtjIMB3Jbq+0TsiHhh 3baQ== X-Mailman-Original-Authentication-Results: smtp2.osuosl.org; dmarc=pass (p=none dis=none) header.from=gmail.com X-Mailman-Original-Authentication-Results: smtp2.osuosl.org; dkim=pass (2048-bit key, unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=WyN3/srj Subject: Re: [Intel-wired-lan] [PATCH RFC bpf-next 1/6] netlink: specs: Add XDP RX checksum capability to XDP metadata specs X-BeenThere: intel-wired-lan@osuosl.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Intel Wired Ethernet Linux Kernel Driver Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-wired-lan-bounces@osuosl.org Sender: "Intel-wired-lan" 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..