From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from outbound.qs.icloud.com (qs-2005e-snip4-1.eps.apple.com [57.103.86.172]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CD7043E4C68 for ; Wed, 8 Jul 2026 20:35:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=57.103.86.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783542916; cv=none; b=TN1HMHFRT7zHYrj9bvf8gsaxfLSg/6gpdgVmMxbgMluvDjzteK1RnVi7n5OjF/Xg9FFtdZXSK133MY0Ijz9WqNvRVsFK2q8WB3NDPv7sBcCdsJtktXiR2BFudgCq/bobQixj4AC9nqhVwxEyqup0R5NGLZNd0J0kmp/BMDyupCs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783542916; c=relaxed/simple; bh=UkjUTZpO+eb0xjCalIOnZcTcPX6mUCbSOTdgTZMkbgk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=W9pxp5Qt6cl8suVlAo9VLQY/9urbXonMA6lhpx9PDB05NFfKTPx0Dy41AVbQ9fbtxnF/frm3uuD31NzsfNdVI+y+2g/tx8LRNQANagJilqgc0YprKlOpRJ2ymZVJAXV4GIrZkzcDSW2V+DtTnKGAQcrRHLgEn/bmK7qkHMA7CdM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=verdict.gg; spf=pass smtp.mailfrom=verdict.gg; dkim=pass (2048-bit key) header.d=verdict.gg header.i=@verdict.gg header.b=qI7QkH7M; arc=none smtp.client-ip=57.103.86.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=verdict.gg Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=verdict.gg Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=verdict.gg header.i=@verdict.gg header.b="qI7QkH7M" Received: from outbound.qs.icloud.com (unknown [127.0.0.2]) by p00-icloudmta-asmtp-us-east-2d-10-percent-0 (Postfix) with ESMTPS id 3FE41300111F; Wed, 08 Jul 2026 20:35:05 +0000 (UTC) X-ICL-RepId: 019f4370-f930-7323-895b-d7470b570765 X-ICL-Out-Info: HUtFAUMHWwJACUgBTUQeDx5WFlZNRAJCTQhICkMGWQJeCEABQwVdEhVdRVcIWwJAEVc4RQhFD1sTTVZUChcNVk1PHUEJXghGXl4fEx9UVgFDGRBWAVhWXQVNGlwYWQ8cAUpWWg5bBEcUFxtcABcbRgIEIwJfAEUCXglWATAXD1ZNTx1BCV4IRl5eHxMAXg8PTAtIAVsHXAJIC0gAWQZbHEQMSQFcGl4fFFwUWh9WBXIGXApXBFQfHBdeRhMZThtXTVoNQBlYBm0UVhVSBFk= Dkim-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=verdict.gg; s=sig1; t=1783542911; x=1786134911; bh=+PFlT3RJWe6JoKnddGSkgUhZU+EBpA8u7FgwGEwUuz8=; h=From:To:Subject:Date:Message-ID:MIME-Version:x-icloud-hme; b=qI7QkH7MYvKsl0iKmaZHC9xUnOIK+tRzkAaK/ZoFxAZpkfrQ1w/sU7YJlBfuOmeYbDPdNh7MVSEvZJQnt/flaOfHLAcoRWohlGQCB6KbCSw6VDxuuZyM+mn46srfWVTjA6IPkztZKlo4JHzHhZUa78YXJEzUeGQfrwkPMDuzLHa4cvUp3nUct9hEorAfo6LRN8OP9RtFFoJWTyZvTMC+NwSUC8m031rppDgbCEU5UXbAuxXwDC/h/id5HcrIkP4y0svrW0AtU6kfbLDLew5Yiit6Q5S2qprJ/SuzU65Fa5jjcp6NdpdeDtT1mOKRFNuFW6AvZYcep4ruYM1dsCfYvA== mail-alias-created-date: 1621344842221 Received: from DelNac.mail.msk (unknown [17.57.155.37]) by p00-icloudmta-asmtp-us-east-2d-10-percent-0 (Postfix) with ESMTPSA id 5D6D23001108; Wed, 08 Jul 2026 20:34:59 +0000 (UTC) From: Vladimir Vdovin To: Lorenzo Bianconi , 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 , Maciej Fijalkowski Cc: Jakub Sitnicki , Aleksandr Loktionov , netdev@vger.kernel.org, bpf@vger.kernel.org, intel-wired-lan@lists.osuosl.org, linux-kselftest@vger.kernel.org, Vladimir Vdovin Subject: [PATCH bpf-next v4 4/6] selftests/bpf: Add selftest support for bpf_xdp_metadata_rx_checksum Date: Wed, 8 Jul 2026 23:34:08 +0300 Message-ID: <20260708203410.45121-5-deliran@verdict.gg> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20260708203410.45121-1-deliran@verdict.gg> References: <20260708203410.45121-1-deliran@verdict.gg> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzA4MDIwMiBTYWx0ZWRfX3j05Hbc6i0Xa FwV19KsuyI/eGyRtezOY7i23/f+aPFAX43jgdVdGnjX1ZJxFdFdx9QDc1JMpZ1Ce3FFdyMeVT7S if2CcBavqoufVD7Fk2Go6um1X2wFv0zIKqxI/fVvrAG6IjYUuhILhDDTOoOQoAyP0nAggHBgjGS elsAuqMkNrP1x984GOysgM178O+2QhqGDOTOeZT6bXT5tpwOO7v7lA3xTqTyghpqH5OaDlHBnzm dgzSu5n46dFJSYL66vb9JV8+eFw5ZdzWRe/U9ySdWmQi2qqCQNTHYTh1T4jPuUlR2aCxAxnpHsV t+MW06cvm0W3MnKgn85 X-Proofpoint-GUID: _5GTcZh2MDb4kVaLz0CyKt1Ozjyuyi1l X-Proofpoint-ORIG-GUID: _5GTcZh2MDb4kVaLz0CyKt1Ozjyuyi1l From: Lorenzo Bianconi Introduce dedicated selftest for bpf_xdp_metadata_rx_checksum kfunc to bpf selftest framework. Reviewed-by: Aleksandr Loktionov Signed-off-by: Lorenzo Bianconi Signed-off-by: Vladimir Vdovin --- tools/testing/selftests/bpf/prog_tests/xdp_metadata.c | 9 +++++++++ tools/testing/selftests/bpf/progs/xdp_metadata.c | 2 ++ tools/testing/selftests/bpf/xdp_metadata.h | 9 +++++++++ 3 files changed, 20 insertions(+) diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_metadata.c b/tools/testing/selftests/bpf/prog_tests/xdp_metadata.c index 5c31054ad4a4..91de61c822f5 100644 --- a/tools/testing/selftests/bpf/prog_tests/xdp_metadata.c +++ b/tools/testing/selftests/bpf/prog_tests/xdp_metadata.c @@ -310,6 +310,15 @@ static int verify_xsk_metadata(struct xsk *xsk, bool sent_from_af_xdp) if (!ASSERT_NEQ(meta->rx_hash, 0, "rx_hash")) return -1; + if (!ASSERT_EQ(meta->ip_summed, XDP_CHECKSUM_NONE, "rx_ip_summed")) + return -1; + + if (!ASSERT_EQ(meta->cksum, 0, "rx_cksum")) + return -1; + + if (!ASSERT_EQ(meta->cksum_level, 0, "rx_cksum_level")) + return -1; + if (!sent_from_af_xdp) { if (!ASSERT_NEQ(meta->rx_hash_type & XDP_RSS_TYPE_L4, 0, "rx_hash_type")) return -1; diff --git a/tools/testing/selftests/bpf/progs/xdp_metadata.c b/tools/testing/selftests/bpf/progs/xdp_metadata.c index 09bb8a038d52..af1e19d48d67 100644 --- a/tools/testing/selftests/bpf/progs/xdp_metadata.c +++ b/tools/testing/selftests/bpf/progs/xdp_metadata.c @@ -98,6 +98,8 @@ int rx(struct xdp_md *ctx) bpf_xdp_metadata_rx_hash(ctx, &meta->rx_hash, &meta->rx_hash_type); bpf_xdp_metadata_rx_vlan_tag(ctx, &meta->rx_vlan_proto, &meta->rx_vlan_tci); + bpf_xdp_metadata_rx_checksum(ctx, &meta->ip_summed, &meta->cksum, + &meta->cksum_level); return bpf_redirect_map(&xsk, ctx->rx_queue_index, XDP_PASS); } diff --git a/tools/testing/selftests/bpf/xdp_metadata.h b/tools/testing/selftests/bpf/xdp_metadata.h index 87318ad1117a..bca09b94af26 100644 --- a/tools/testing/selftests/bpf/xdp_metadata.h +++ b/tools/testing/selftests/bpf/xdp_metadata.h @@ -30,6 +30,10 @@ enum xdp_meta_field { XDP_META_FIELD_VLAN_TAG = BIT(2), }; +#define XDP_CHECKSUM_NONE BIT(0) +#define XDP_CHECKSUM_UNNECESSARY BIT(1) +#define XDP_CHECKSUM_COMPLETE BIT(2) + struct xdp_meta { union { __u64 rx_timestamp; @@ -48,5 +52,10 @@ struct xdp_meta { }; __s32 rx_vlan_tag_err; }; + struct { + __u32 ip_summed; + __u32 cksum; + __u8 cksum_level; + }; enum xdp_meta_field hint_valid; }; -- 2.47.0