From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E4D65C433FE for ; Wed, 22 Sep 2021 07:57:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CC9AD60F6B for ; Wed, 22 Sep 2021 07:57:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233537AbhIVH6i (ORCPT ); Wed, 22 Sep 2021 03:58:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49140 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233553AbhIVH6b (ORCPT ); Wed, 22 Sep 2021 03:58:31 -0400 Received: from mail-wr1-x434.google.com (mail-wr1-x434.google.com [IPv6:2a00:1450:4864:20::434]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A1EB5C0613DF; Wed, 22 Sep 2021 00:56:58 -0700 (PDT) Received: by mail-wr1-x434.google.com with SMTP id d6so4018880wrc.11; Wed, 22 Sep 2021 00:56:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=tBzKMAyVJb7YNM6Gm5Xf+XBoiFAs3cTnmjv86MR3naQ=; b=bjaxiGRjxfMFZ02bSC0igQ3URkBT4mALFICOcaHtVKrgzs4xLT+dPuKG50Gqhk4O0M 16ou3YB9AYKN1WwZ9CFvLbCrIhFuxdCOkjQwCzPtHAfT1YR2zpJY720pASXBSi7lOZoF Xssi3eIpu+Tb8tAuLnVpxWVhV35of9Sx1ILg7w9QEdMNrTwRy6TK8fv7v6XApLupVAEv YAw3UbQwkMpuqWOf01A3FB3fT2g4xzkl5IcDkZoZH/bvDTTXKwXSJJIx4Uz5IIz4DFQm aFy4wBFK0Hlir7ag7Jl4Lw/wuF4StiBk/zEkoVpM53td3Ikg6zwDmK0GKivDcEoTLXaW eArQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=tBzKMAyVJb7YNM6Gm5Xf+XBoiFAs3cTnmjv86MR3naQ=; b=hqnrik4W1ybVwB1EmqMRCQEq46uKe3vvoIhUiaTRNmuEWE3p+hk22485RYWLFnDmr/ o5JdSNOt1nuFFbXZ6pdT4Xsh+zDzCPPx3LCabzq8LIv1yJBxn9fkGGqCsjK/QQ8DTGD0 BHDCvVz5IbMPFdi2fXXy4Gn20B9/puE2g8tB4mRSlU+kwbPrHqjN66hnZWj41F2aL7op Ev0b09f5GYqsiZ5T7QxDueRE0DpPsCF+ioRoki0SgbcH/PisbVNg1o/2mH1S4txiZZvM mek6amMeNb2URoJ48kaODnKkz4kvWQbNc9xaTUsnrpLuWU39NdHqfGgti/FT1tJNOwZ5 YhSA== X-Gm-Message-State: AOAM531KLQ0tuvoFECLdfwJsWqWDWKTmK97jzBeA0fSkReSbvAPseNeY o/hyEncJ+NAq9Qq9yyp8Cx0= X-Google-Smtp-Source: ABdhPJwOrZQoysvFQu7Q4tsN4oyAmRsD/BzsBhq39109Ck4nOLYf6LH2/fljXEdCaCADRdu7rFAHVA== X-Received: by 2002:a05:600c:3790:: with SMTP id o16mr8880604wmr.157.1632297417219; Wed, 22 Sep 2021 00:56:57 -0700 (PDT) Received: from localhost.localdomain (h-46-59-47-246.A165.priv.bahnhof.se. [46.59.47.246]) by smtp.gmail.com with ESMTPSA id j7sm1673087wrr.27.2021.09.22.00.56.55 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 22 Sep 2021 00:56:56 -0700 (PDT) From: Magnus Karlsson To: magnus.karlsson@intel.com, bjorn@kernel.org, ast@kernel.org, daniel@iogearbox.net, netdev@vger.kernel.org, maciej.fijalkowski@intel.com, ciara.loftus@intel.com Cc: jonathan.lemon@gmail.com, bpf@vger.kernel.org, anthony.l.nguyen@intel.com Subject: [PATCH bpf-next 11/13] selftests: xsk: add single packet test Date: Wed, 22 Sep 2021 09:56:11 +0200 Message-Id: <20210922075613.12186-12-magnus.karlsson@gmail.com> X-Mailer: git-send-email 2.29.0 In-Reply-To: <20210922075613.12186-1-magnus.karlsson@gmail.com> References: <20210922075613.12186-1-magnus.karlsson@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org From: Magnus Karlsson Add a test where a single packet is sent and received. This might sound like a silly test, but since many of the interfaces in xsk are batched, it is important to be able to validate that we did not break something as fundamental as just receiving single packets, instead of batches of packets at high speed. Signed-off-by: Magnus Karlsson --- tools/testing/selftests/bpf/xdpxceiver.c | 13 +++++++++++++ tools/testing/selftests/bpf/xdpxceiver.h | 1 + 2 files changed, 14 insertions(+) diff --git a/tools/testing/selftests/bpf/xdpxceiver.c b/tools/testing/selftests/bpf/xdpxceiver.c index 597fbe206026..3beea7531c8e 100644 --- a/tools/testing/selftests/bpf/xdpxceiver.c +++ b/tools/testing/selftests/bpf/xdpxceiver.c @@ -1217,6 +1217,15 @@ static bool testapp_unaligned(struct test_spec *test) return true; } +static void testapp_single_pkt(struct test_spec *test) +{ + struct pkt pkts[] = {{0x1000, PKT_SIZE, 0, true}}; + + pkt_stream_generate_custom(test, pkts, ARRAY_SIZE(pkts)); + testapp_validate_traffic(test); + pkt_stream_restore_default(test); +} + static void testapp_invalid_desc(struct test_spec *test) { struct pkt pkts[] = { @@ -1298,6 +1307,10 @@ static void run_pkt_test(struct test_spec *test, enum test_mode mode, enum test_ test_spec_set_name(test, "RUN_TO_COMPLETION"); testapp_validate_traffic(test); break; + case TEST_TYPE_RUN_TO_COMPLETION_SINGLE_PKT: + test_spec_set_name(test, "RUN_TO_COMPLETION_SINGLE_PKT"); + testapp_single_pkt(test); + break; case TEST_TYPE_RUN_TO_COMPLETION_2K_FRAME: test_spec_set_name(test, "RUN_TO_COMPLETION_2K_FRAME_SIZE"); test->ifobj_tx->umem->frame_size = 2048; diff --git a/tools/testing/selftests/bpf/xdpxceiver.h b/tools/testing/selftests/bpf/xdpxceiver.h index 00790c976f4f..d075192c95f8 100644 --- a/tools/testing/selftests/bpf/xdpxceiver.h +++ b/tools/testing/selftests/bpf/xdpxceiver.h @@ -55,6 +55,7 @@ enum test_mode { enum test_type { TEST_TYPE_RUN_TO_COMPLETION, TEST_TYPE_RUN_TO_COMPLETION_2K_FRAME, + TEST_TYPE_RUN_TO_COMPLETION_SINGLE_PKT, TEST_TYPE_POLL, TEST_TYPE_UNALIGNED, TEST_TYPE_ALIGNED_INV_DESC, -- 2.29.0