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Message-ID: <280ca32f-4c69-dd5b-fd9b-e69a7685a60a@intel.com> Date: Thu, 14 Sep 2023 18:34:40 +0200 From: Alexander Lobakin <aleksander.lobakin@...el.com> To: Larysa Zaremba <larysa.zaremba@...el.com>, <bpf@...r.kernel.org> CC: <ast@...nel.org>, <daniel@...earbox.net>, <andrii@...nel.org>, <martin.lau@...ux.dev>, <song@...nel.org>, <yhs@...com>, <john.fastabend@...il.com>, <kpsingh@...nel.org>, <sdf@...gle.com>, <haoluo@...gle.com>, <jolsa@...nel.org>, David Ahern <dsahern@...il.com>, Jakub Kicinski <kuba@...nel.org>, Willem de Bruijn <willemb@...gle.com>, Jesper Dangaard Brouer <brouer@...hat.com>, Anatoly Burakov <anatoly.burakov@...el.com>, Alexander Lobakin <alexandr.lobakin@...el.com>, Magnus Karlsson <magnus.karlsson@...il.com>, Maryam Tahhan <mtahhan@...hat.com>, <xdp-hints@...-project.net>, <netdev@...r.kernel.org>, Willem de Bruijn <willemdebruijn.kernel@...il.com>, Alexei Starovoitov <alexei.starovoitov@...il.com>, Simon Horman <simon.horman@...igine.com>, Tariq Toukan <tariqt@...lanox.com>, Saeed Mahameed <saeedm@...lanox.com> Subject: Re: [RFC bpf-next 12/23] xdp: Add checksum hint From: Larysa Zaremba <larysa.zaremba@...el.com> Date: Thu, 24 Aug 2023 21:26:51 +0200 > Implement functionality that enables drivers to expose to XDP code checksum > information that consists of: > > - Checksum status - 2 non-exlusive flags: > - XDP_CHECKSUM_VERIFIED indicating HW has validated the checksum > (corresponding to CHECKSUM_UNNECESSARY in sk_buff) > - XDP_CHECKSUM_COMPLETE signifies the validity of the second argument > (corresponding to CHECKSUM_COMPLETE in sk_buff) > - Checksum, calculated over the entire packet, valid if the second flag is > set > > Signed-off-by: Larysa Zaremba <larysa.zaremba@...el.com> Reviewed-by: Alexander Lobakin <aleksander.lobakin@...el.com> Only one stupid thing from me: when a line starts from '-' in the commit message, some editors/viewers paint it red thinking it's a diff already :z (same for '+') Not something important, you just may want to prefer "neutral" '*', up to you :D > --- > Documentation/networking/xdp-rx-metadata.rst | 3 +++ > include/net/xdp.h | 15 +++++++++++++ > kernel/bpf/offload.c | 2 ++ > net/core/xdp.c | 23 ++++++++++++++++++++ > 4 files changed, 43 insertions(+) [...] Thanks, Olek
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