{"id":2196367,"url":"http://patchwork.ozlabs.org/api/1.0/patches/2196367/?format=json","project":{"id":46,"url":"http://patchwork.ozlabs.org/api/1.0/projects/46/?format=json","name":"Intel Wired Ethernet development","link_name":"intel-wired-lan","list_id":"intel-wired-lan.osuosl.org","list_email":"intel-wired-lan@osuosl.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20260213-bpf-xdp-meta-rxcksum-v2-4-a82c4802afbe@kernel.org>","date":"2026-02-13T15:26:23","name":"[bpf-next,v2,4/5] selftests/bpf: Add selftest support for bpf_xdp_metadata_rx_checksum","commit_ref":null,"pull_url":null,"state":"handled-elsewhere","archived":false,"hash":"9600d2e778467ee65ffcc43c031b37baa32c69ca","submitter":{"id":76007,"url":"http://patchwork.ozlabs.org/api/1.0/people/76007/?format=json","name":"Lorenzo Bianconi","email":"lorenzo@kernel.org"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20260213-bpf-xdp-meta-rxcksum-v2-4-a82c4802afbe@kernel.org/mbox/","series":[{"id":492113,"url":"http://patchwork.ozlabs.org/api/1.0/series/492113/?format=json","date":"2026-02-13T15:26:20","name":"Add the the capability to load HW RX checsum in eBPF programs","version":2,"mbox":"http://patchwork.ozlabs.org/series/492113/mbox/"}],"check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2196367/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":["incoming@patchwork.ozlabs.org","intel-wired-lan@lists.osuosl.org"],"Delivered-To":["patchwork-incoming@legolas.ozlabs.org","intel-wired-lan@lists.osuosl.org"],"Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=osuosl.org header.i=@osuosl.org header.a=rsa-sha256\n header.s=default header.b=oePI0PmN;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=osuosl.org\n (client-ip=140.211.166.137; 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receiver=","DMARC-Filter":"OpenDMARC Filter v1.4.2 smtp4.osuosl.org EE0B141CCC","From":"Lorenzo Bianconi ","Date":"Fri, 13 Feb 2026 16:26:23 +0100","MIME-Version":"1.0","Content-Type":"text/plain; charset=\"utf-8\"","Content-Transfer-Encoding":"7bit","Message-Id":"<20260213-bpf-xdp-meta-rxcksum-v2-4-a82c4802afbe@kernel.org>","References":"<20260213-bpf-xdp-meta-rxcksum-v2-0-a82c4802afbe@kernel.org>","In-Reply-To":"<20260213-bpf-xdp-meta-rxcksum-v2-0-a82c4802afbe@kernel.org>","To":"Donald Hunter ,\n Jakub Kicinski , \"David S. Miller\" ,\n Eric Dumazet , Paolo Abeni ,\n Simon Horman , Alexei Starovoitov ,\n Daniel Borkmann ,\n Jesper Dangaard Brouer ,\n John Fastabend ,\n Stanislav Fomichev , Andrew Lunn ,\n Tony Nguyen ,\n Przemek Kitszel ,\n Alexander Lobakin ,\n Andrii Nakryiko ,\n Martin KaFai Lau ,\n Eduard Zingerman , Song Liu ,\n Yonghong Song , KP Singh ,\n Hao Luo , Jiri Olsa ,\n Shuah Khan ,\n Maciej Fijalkowski ","Cc":"Jakub Sitnicki , netdev@vger.kernel.org,\n bpf@vger.kernel.org, intel-wired-lan@lists.osuosl.org,\n linux-kselftest@vger.kernel.org,\n Aleksandr Loktionov ,\n Lorenzo Bianconi ","X-Mailer":"b4 0.14.2","X-Mailman-Original-DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple;\n d=kernel.org; s=k20201202; t=1770996430;\n bh=mKthyc040X79lx7Eqzqvw7OHAw5r1zFGOUFmnRtV5Fk=;\n h=From:Date:Subject:References:In-Reply-To:To:Cc:From;\n b=BNFAb0eDvmrqihxgZwCoRz2YrE4jYk5+baj170bG82X+zs3qncofXSMuUcuQAPhpa\n m13KUApzBSUIVz1MxD2W6GfLbCdDCKBt2jIdqn9hxN8ZLMShgn90gF63cfC7y/oQTb\n UnC3sN/xIReR8VO2eAlb+HBprXXrmfL7PWWJF5hQ90gQamV+v25JJvcsVQg7nnYuRA\n Gn2RTh2wwhM/92OGN/ZOVMGW4O6bohMiBets/vFuITEJ+r0fYwGOlRm+t1hNaMFQ+6\n TwasBx6cp8DaGNNnpC6jFHzMJshTIpvw4zs8y0chHLurEHExXTMV+8dOrLwcI1frja\n NK5vurvcSQETA==","X-Mailman-Original-Authentication-Results":["smtp4.osuosl.org;\n dmarc=pass (p=quarantine dis=none)\n header.from=kernel.org","smtp4.osuosl.org;\n dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org\n header.a=rsa-sha256 header.s=k20201202 header.b=BNFAb0eD"],"Subject":"[Intel-wired-lan] [PATCH bpf-next v2 4/5] selftests/bpf: Add\n selftest support for bpf_xdp_metadata_rx_checksum","X-BeenThere":"intel-wired-lan@osuosl.org","X-Mailman-Version":"2.1.30","Precedence":"list","List-Id":"Intel Wired Ethernet Linux Kernel Driver Development\n ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"intel-wired-lan-bounces@osuosl.org","Sender":"\"Intel-wired-lan\" "},"content":"Introduce support to xdp_metadata selftest for bpf_xdp_metadata_rx_checksum\nkfunc.\n\nReviewed-by: Aleksandr Loktionov \nSigned-off-by: Lorenzo Bianconi \n---\n tools/testing/selftests/bpf/prog_tests/xdp_metadata.c | 6 ++++++\n tools/testing/selftests/bpf/progs/xdp_metadata.c | 3 +++\n tools/testing/selftests/bpf/xdp_metadata.h | 8 ++++++++\n 3 files changed, 17 insertions(+)","diff":"diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_metadata.c b/tools/testing/selftests/bpf/prog_tests/xdp_metadata.c\nindex 19f92affc2daa23fdd869554e7a0475b86350a4f..31f3629eb0681be656fa0af74fc0d419a3d135fc 100644\n--- a/tools/testing/selftests/bpf/prog_tests/xdp_metadata.c\n+++ b/tools/testing/selftests/bpf/prog_tests/xdp_metadata.c\n@@ -310,6 +310,12 @@ static int verify_xsk_metadata(struct xsk *xsk, bool sent_from_af_xdp)\n \tif (!ASSERT_NEQ(meta->rx_hash, 0, \"rx_hash\"))\n \t\treturn -1;\n \n+\tif (!ASSERT_EQ(meta->ip_summed, XDP_CHECKSUM_NONE, \"rx_ip_summed\"))\n+\t\treturn -1;\n+\n+\tif (!ASSERT_EQ(meta->cksum_meta, 0, \"rx_cksum_meta\"))\n+\t\treturn -1;\n+\n \tif (!sent_from_af_xdp) {\n \t\tif (!ASSERT_NEQ(meta->rx_hash_type & XDP_RSS_TYPE_L4, 0, \"rx_hash_type\"))\n \t\t\treturn -1;\ndiff --git a/tools/testing/selftests/bpf/progs/xdp_metadata.c b/tools/testing/selftests/bpf/progs/xdp_metadata.c\nindex 09bb8a038d528cf26c5b314cc927915ac2796bf0..72f69c5c659592cca1f04a512868f2101aa2e962 100644\n--- a/tools/testing/selftests/bpf/progs/xdp_metadata.c\n+++ b/tools/testing/selftests/bpf/progs/xdp_metadata.c\n@@ -98,6 +98,9 @@ int rx(struct xdp_md *ctx)\n \tbpf_xdp_metadata_rx_hash(ctx, &meta->rx_hash, &meta->rx_hash_type);\n \tbpf_xdp_metadata_rx_vlan_tag(ctx, &meta->rx_vlan_proto,\n \t\t\t\t &meta->rx_vlan_tci);\n+\tbpf_xdp_metadata_rx_checksum(ctx,\n+\t\t\t\t (enum xdp_checksum *)&meta->ip_summed,\n+\t\t\t\t &meta->cksum_meta);\n \n \treturn bpf_redirect_map(&xsk, ctx->rx_queue_index, XDP_PASS);\n }\ndiff --git a/tools/testing/selftests/bpf/xdp_metadata.h b/tools/testing/selftests/bpf/xdp_metadata.h\nindex 87318ad1117a1d677af121f11778178532e2a562..837cd1efe6b5aebd0f62bae4c49d5bfd77db64bc 100644\n--- a/tools/testing/selftests/bpf/xdp_metadata.h\n+++ b/tools/testing/selftests/bpf/xdp_metadata.h\n@@ -30,6 +30,10 @@ enum xdp_meta_field {\n \tXDP_META_FIELD_VLAN_TAG\t= BIT(2),\n };\n \n+#define XDP_CHECKSUM_NONE\t\t0\n+#define XDP_CHECKSUM_UNNECESSARY\t1\n+#define XDP_CHECKSUM_COMPLETE\t\t2\n+\n struct xdp_meta {\n \tunion {\n \t\t__u64 rx_timestamp;\n@@ -48,5 +52,9 @@ struct xdp_meta {\n \t\t};\n \t\t__s32 rx_vlan_tag_err;\n \t};\n+\tstruct {\n+\t\t__u8 ip_summed;\n+\t\t__u32 cksum_meta;\n+\t};\n \tenum xdp_meta_field hint_valid;\n };\n","prefixes":["bpf-next","v2","4/5"]}