From patchwork Tue Nov 3 21:35:11 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Duyck X-Patchwork-Id: 11879063 X-Patchwork-Delegate: bpf@iogearbox.net 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=-9.6 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 678CBC388F9 for ; Tue, 3 Nov 2020 21:36:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 231382064C for ; Tue, 3 Nov 2020 21:36:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ft15CtGh" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731499AbgKCVgR (ORCPT ); Tue, 3 Nov 2020 16:36:17 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57494 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732773AbgKCVfO (ORCPT ); Tue, 3 Nov 2020 16:35:14 -0500 Received: from mail-qk1-x744.google.com (mail-qk1-x744.google.com [IPv6:2607:f8b0:4864:20::744]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9E4AEC0613D1; Tue, 3 Nov 2020 13:35:14 -0800 (PST) Received: by mail-qk1-x744.google.com with SMTP id x20so16721630qkn.1; Tue, 03 Nov 2020 13:35:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:from:to:cc:date:message-id:in-reply-to:references :user-agent:mime-version:content-transfer-encoding; bh=o5G8Jb+LPfgEOmZTDFgJ/ZdqODvld3Xzcpw0P0t3ARY=; b=ft15CtGhs13oFVW6h1V9efPx3qTHRLijdFn06XC5z9mqnvbwQyAyjtKF5WVFLF5aD/ oi6ML1KFFgRnjSdx0cFNjgMUS+WlHuuM4un2OLzW2ssncsnvnyTvpodxUn+5K4WowFtG W/VdwopOnAPLRYSJI3GvbjG9u3tlsX9CmYCGmxnPTjed1F0bfENwMbqJ4pv5cLa2KpLP MYmY2mv8neXsKupeJfTrS5NIHHVyuE60ambuJbskEAriUuUim4awz6zdSBQaY9AL3Yaq vfUm36S2GHaYLHynp+bGlqRdIUg1RUrwSM3bMYzcl292IcsVIF1SDG+ZnF1NBlW6lUR0 V0lA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:from:to:cc:date:message-id:in-reply-to :references:user-agent:mime-version:content-transfer-encoding; bh=o5G8Jb+LPfgEOmZTDFgJ/ZdqODvld3Xzcpw0P0t3ARY=; b=cARo1eA3EiFtRVe6mnLIvKGcdzcucZHSQ/5gPfxFsSAQsmoXr812ruBQwGOsOk9mZd wwn0OloysIzwp0p92YSBS3lBal7KI136FNtcFF+ABzX4vaRTHyOsX1qz4PlARpCncetb Sr87hxeXG50THjYTAEwFemVastI0IacPO/VARaNwmoMX9i+LS45Kx32CUVmST2w1tcVX 6Y957NHZO34cB9gt6RmZf8pwhfBBDhB68wEfdyyCnBhHJO9Q/iOcvACViV6hBa7ClzLi W2Dg/ePLnUiRKPgEbo+XUA9LV2ijc02cq7hucE7baKpo8YCMPrwC+s0LYajoZG4FoUdd VNdw== X-Gm-Message-State: AOAM533FTgGqU1yfh3rNkKJxqL0wummH52o1mutEhQYISME8JrUEwuNn Q+kH9xd1KP1hvG+1TwCsoYY= X-Google-Smtp-Source: ABdhPJz97+XGaigkjYANl3AVu1Mmm38hA5iFL75Qq1mn7uxxtRFC0DUDIoCPw1V4EuCsurtCgCp3Gg== X-Received: by 2002:a37:de02:: with SMTP id h2mr19789669qkj.99.1604439313840; Tue, 03 Nov 2020 13:35:13 -0800 (PST) Received: from localhost.localdomain ([2001:470:b:9c3:9e5c:8eff:fe4f:f2d0]) by smtp.gmail.com with ESMTPSA id b14sm11729383qkn.123.2020.11.03.13.35.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Nov 2020 13:35:13 -0800 (PST) Subject: [bpf-next PATCH v3 4/5] selftests/bpf: Migrate tcpbpf_user.c to use BPF skeleton From: Alexander Duyck To: bpf@vger.kernel.org Cc: ast@kernel.org, daniel@iogearbox.net, kafai@fb.com, john.fastabend@gmail.com, kernel-team@fb.com, netdev@vger.kernel.org, edumazet@google.com, brakmo@fb.com, andrii.nakryiko@gmail.com, alexanderduyck@fb.com Date: Tue, 03 Nov 2020 13:35:11 -0800 Message-ID: <160443931155.1086697.17869006617113525162.stgit@localhost.localdomain> In-Reply-To: <160443914296.1086697.4231574770375103169.stgit@localhost.localdomain> References: <160443914296.1086697.4231574770375103169.stgit@localhost.localdomain> User-Agent: StGit/0.23 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org X-Patchwork-Delegate: bpf@iogearbox.net From: Alexander Duyck Update tcpbpf_user.c to make use of the BPF skeleton. Doing this we can simplify test_tcpbpf_user and reduce the overhead involved in setting up the test. In addition we can clean up the remaining bits such as the one remaining CHECK_FAIL at the end of test_tcpbpf_user so that the function only makes use of CHECK as needed. Acked-by: Martin KaFai Lau Acked-by: Andrii Nakryiko Signed-off-by: Alexander Duyck --- .../testing/selftests/bpf/prog_tests/tcpbpf_user.c | 41 +++++++------------- 1 file changed, 14 insertions(+), 27 deletions(-) diff --git a/tools/testing/selftests/bpf/prog_tests/tcpbpf_user.c b/tools/testing/selftests/bpf/prog_tests/tcpbpf_user.c index 22c359871af6..bef81648797a 100644 --- a/tools/testing/selftests/bpf/prog_tests/tcpbpf_user.c +++ b/tools/testing/selftests/bpf/prog_tests/tcpbpf_user.c @@ -3,6 +3,7 @@ #include #include "test_tcpbpf.h" +#include "test_tcpbpf_kern.skel.h" #define LO_ADDR6 "::1" #define CG_NAME "/tcpbpf-user-test" @@ -130,44 +131,30 @@ static void run_test(int map_fd, int sock_map_fd) void test_tcpbpf_user(void) { - const char *file = "test_tcpbpf_kern.o"; - int prog_fd, map_fd, sock_map_fd; - int error = EXIT_FAILURE; - struct bpf_object *obj; + struct test_tcpbpf_kern *skel; + int map_fd, sock_map_fd; int cg_fd = -1; - int rv; - cg_fd = test__join_cgroup(CG_NAME); - if (cg_fd < 0) - goto err; - - if (bpf_prog_load(file, BPF_PROG_TYPE_SOCK_OPS, &obj, &prog_fd)) { - printf("FAILED: load_bpf_file failed for: %s\n", file); - goto err; - } + skel = test_tcpbpf_kern__open_and_load(); + if (CHECK(!skel, "open and load skel", "failed")) + return; - rv = bpf_prog_attach(prog_fd, cg_fd, BPF_CGROUP_SOCK_OPS, 0); - if (rv) { - printf("FAILED: bpf_prog_attach: %d (%s)\n", - error, strerror(errno)); + cg_fd = test__join_cgroup(CG_NAME); + if (CHECK(cg_fd < 0, "test__join_cgroup(" CG_NAME ")", + "cg_fd:%d errno:%d", cg_fd, errno)) goto err; - } - map_fd = bpf_find_map(__func__, obj, "global_map"); - if (map_fd < 0) - goto err; + map_fd = bpf_map__fd(skel->maps.global_map); + sock_map_fd = bpf_map__fd(skel->maps.sockopt_results); - sock_map_fd = bpf_find_map(__func__, obj, "sockopt_results"); - if (sock_map_fd < 0) + skel->links.bpf_testcb = bpf_program__attach_cgroup(skel->progs.bpf_testcb, cg_fd); + if (!ASSERT_OK_PTR(skel->links.bpf_testcb, "attach_cgroup(bpf_testcb)")) goto err; run_test(map_fd, sock_map_fd); - error = 0; err: - bpf_prog_detach(cg_fd, BPF_CGROUP_SOCK_OPS); if (cg_fd != -1) close(cg_fd); - - CHECK_FAIL(error); + test_tcpbpf_kern__destroy(skel); }