From patchwork Fri May 12 15:26:05 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Larysa Zaremba X-Patchwork-Id: 13239488 X-Patchwork-Delegate: bpf@iogearbox.net Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (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 A403B24154; Fri, 12 May 2023 15:29:24 +0000 (UTC) Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D14BB106D6; Fri, 12 May 2023 08:29:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1683905347; x=1715441347; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Ju9PvqXqCCJFMNbWyzPaBdJfLC40q1RU30A9+HNOEsU=; b=IhS3ZL2awnnspfK2lAg70D0TMLZsmiGEOt8KQ8vRcPABweAdBjtcOCNL kW2ITWoeG5TzCwdZoDcj5Wrf7OxKBrbwCzy/4sJegwrQwDyDLv+W3BoMf nEOuSsIvvjYaIICV1OnENSQr+BjAWPFpS7qLrinbSkqAgx7ZBP3+lWif6 ArHgC3SSye7/oHonYJxrMjnO1Dprttjf/hGZfHbPASdhfAJDSAGcIkkbx cqtJUiRbSSGUERz7fglueBK3u8cPCYrCpFeVk1ZMD5awmf5YvXrX/QbwM hVmhsESqtfU0MxxoRB/uKJXhwXmfqueuCKqgfLQZt+/cTeOB1m5NYvFCi A==; X-IronPort-AV: E=McAfee;i="6600,9927,10708"; a="437151072" X-IronPort-AV: E=Sophos;i="5.99,269,1677571200"; d="scan'208";a="437151072" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 May 2023 08:29:07 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10708"; a="946665781" X-IronPort-AV: E=Sophos;i="5.99,269,1677571200"; d="scan'208";a="946665781" Received: from irvmail002.ir.intel.com ([10.43.11.120]) by fmsmga006.fm.intel.com with ESMTP; 12 May 2023 08:29:02 -0700 Received: from lincoln.igk.intel.com (lincoln.igk.intel.com [10.102.21.235]) by irvmail002.ir.intel.com (Postfix) with ESMTP id C259335FB7; Fri, 12 May 2023 16:29:00 +0100 (IST) From: Larysa Zaremba To: bpf@vger.kernel.org Cc: Larysa Zaremba , Stanislav Fomichev , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Jakub Kicinski , Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , Jiri Olsa , Jesse Brandeburg , Tony Nguyen , Anatoly Burakov , Jesper Dangaard Brouer , Alexander Lobakin , Magnus Karlsson , Maryam Tahhan , xdp-hints@xdp-project.net, netdev@vger.kernel.org, intel-wired-lan@lists.osuosl.org, linux-kernel@vger.kernel.org Subject: [PATCH RESEND bpf-next 13/15] selftests/bpf: Allow VLAN packets in xdp_hw_metadata Date: Fri, 12 May 2023 17:26:05 +0200 Message-Id: <20230512152607.992209-14-larysa.zaremba@intel.com> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20230512152607.992209-1-larysa.zaremba@intel.com> References: <20230512152607.992209-1-larysa.zaremba@intel.com> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_NONE,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net X-Patchwork-Delegate: bpf@iogearbox.net Make VLAN c-tag and s-tag XDP hint testing more convenient by not skipping VLAN-ed packets. Allow both 802.1ad and 802.1Q headers. Signed-off-by: Larysa Zaremba --- tools/testing/selftests/bpf/progs/xdp_hw_metadata.c | 9 ++++++++- tools/testing/selftests/bpf/xdp_metadata.h | 8 ++++++++ 2 files changed, 16 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/bpf/progs/xdp_hw_metadata.c b/tools/testing/selftests/bpf/progs/xdp_hw_metadata.c index b2dfd7066c6e..f95f82a8b449 100644 --- a/tools/testing/selftests/bpf/progs/xdp_hw_metadata.c +++ b/tools/testing/selftests/bpf/progs/xdp_hw_metadata.c @@ -26,15 +26,22 @@ int rx(struct xdp_md *ctx) { void *data, *data_meta, *data_end; struct ipv6hdr *ip6h = NULL; - struct ethhdr *eth = NULL; struct udphdr *udp = NULL; struct iphdr *iph = NULL; struct xdp_meta *meta; + struct ethhdr *eth; int err; data = (void *)(long)ctx->data; data_end = (void *)(long)ctx->data_end; eth = data; + + if (eth + 1 < data_end && eth->h_proto == bpf_htons(ETH_P_8021AD)) + eth = (void *)eth + sizeof(struct vlan_hdr); + + if (eth + 1 < data_end && eth->h_proto == bpf_htons(ETH_P_8021Q)) + eth = (void *)eth + sizeof(struct vlan_hdr); + if (eth + 1 < data_end) { if (eth->h_proto == bpf_htons(ETH_P_IP)) { iph = (void *)(eth + 1); diff --git a/tools/testing/selftests/bpf/xdp_metadata.h b/tools/testing/selftests/bpf/xdp_metadata.h index 938a729bd307..6664893c2c77 100644 --- a/tools/testing/selftests/bpf/xdp_metadata.h +++ b/tools/testing/selftests/bpf/xdp_metadata.h @@ -9,6 +9,14 @@ #define ETH_P_IPV6 0x86DD #endif +#ifndef ETH_P_8021Q +#define ETH_P_8021Q 0x8100 +#endif + +#ifndef ETH_P_8021AD +#define ETH_P_8021AD 0x88A8 +#endif + struct xdp_meta { __u64 rx_timestamp; __u64 xdp_timestamp;