From patchwork Wed Mar 3 10:18:11 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenz Bauer X-Patchwork-Id: 392552 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=-13.8 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=unavailable 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 17DD0C4332D for ; Thu, 4 Mar 2021 00:11:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D2B4B64F55 for ; Thu, 4 Mar 2021 00:11:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1352033AbhCDAKM (ORCPT ); Wed, 3 Mar 2021 19:10:12 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37800 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1843036AbhCCKYl (ORCPT ); Wed, 3 Mar 2021 05:24:41 -0500 Received: from mail-wr1-x436.google.com (mail-wr1-x436.google.com [IPv6:2a00:1450:4864:20::436]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A25EDC08ED87 for ; Wed, 3 Mar 2021 02:18:27 -0800 (PST) Received: by mail-wr1-x436.google.com with SMTP id d11so23026308wrj.7 for ; Wed, 03 Mar 2021 02:18:27 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cloudflare.com; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=MrjISZvwHbhwQBfRB9QHN6sF/EaAM40kAOYVP7EBVPk=; b=yAr0OpU+J5TnBd2deL9/KG6DkLgp+D2rcjyU28XXNUmWYTepPnPJW0hmFRrV+ounO8 K7BNCcSH5Egh4MDcMIQCV+o782+A6OzDYSsgeD8/XjZsoZPeRZx4iHFZfcoDjnfsp/Wz eh8DI2EhYpqJOjeOf5YfHkvlHqfcvH41nQJ0s= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=MrjISZvwHbhwQBfRB9QHN6sF/EaAM40kAOYVP7EBVPk=; b=BL7PiclMZQ6NOJTQKw/UF9tiM+CWEVETd1h7MGq+MZfMO9q1loKx7nl6YrCVcMKYg6 yE4cJZt7F4Yb7IB6n/VKLIeH+b3bj8cNpRysrza/U1e9y9G9mcO4h35O6hPwaYT5mcHQ 5BvfkTDFayflz6WHzT3KC8C8IIYXjzqlCsTFNk9921v47vpc1dDtvIijl/0ZoxzgDJjI gxcBHNjee7sU6A6z4n02GzcO1DcGOo9NkRRxoTyj3tk7/G9yZ/TecNa4NEOUHgzYXjM8 T9q3vCCBK2AM3qOORa9iz55wZitbD8805qcqNa0tQzcl1lPchuca34u/gJaeg2UFaBJi h0BQ== X-Gm-Message-State: AOAM531CZyCfZxCjM43XYrUVqy8JNgEvlmA6YLPDmjiwSmzJ+P0U0UOu Ei0d6zaLUPuSkZLSDOnsOnYzNw== X-Google-Smtp-Source: ABdhPJwouyFYuLRZj6bEB1+6XmR8zNP/itvznp79frNrqnTcU/VMSyPnF2hyfkLjUF7dp6+rDpI1+Q== X-Received: by 2002:adf:a2c7:: with SMTP id t7mr26641486wra.42.1614766706440; Wed, 03 Mar 2021 02:18:26 -0800 (PST) Received: from localhost.localdomain (c.a.8.8.c.1.2.8.8.7.0.2.6.c.a.1.f.f.6.2.a.5.a.7.0.b.8.0.1.0.0.2.ip6.arpa. [2001:8b0:7a5a:26ff:1ac6:2078:821c:88ac]) by smtp.gmail.com with ESMTPSA id r26sm1710761wmn.28.2021.03.03.02.18.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 03 Mar 2021 02:18:25 -0800 (PST) From: Lorenz Bauer To: ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org Cc: kernel-team@cloudflare.com, netdev@vger.kernel.org, bpf@vger.kernel.org, Lorenz Bauer Subject: [PATCH bpf-next v4 0/5] PROG_TEST_RUN support for sk_lookup programs Date: Wed, 3 Mar 2021 10:18:11 +0000 Message-Id: <20210303101816.36774-1-lmb@cloudflare.com> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org We don't have PROG_TEST_RUN support for sk_lookup programs at the moment. So far this hasn't been a problem, since we can run our tests in a separate network namespace. For benchmarking it's nice to have PROG_TEST_RUN, so I've gone and implemented it. Based on discussion on the v1 I've dropped support for testing multiple programs at once. Changes since v3: - Use bpf_test_timer prefix (Andrii) Changes since v2: - Fix test_verifier failure (Alexei) Changes since v1: - Add sparse annotations to the t_* functions - Add appropriate type casts in bpf_prog_test_run_sk_lookup - Drop running multiple programs Lorenz Bauer (5): bpf: consolidate shared test timing code bpf: add PROG_TEST_RUN support for sk_lookup programs selftests: bpf: convert sk_lookup ctx access tests to PROG_TEST_RUN selftests: bpf: check that PROG_TEST_RUN repeats as requested selftests: bpf: don't run sk_lookup in verifier tests include/linux/bpf.h | 10 + include/uapi/linux/bpf.h | 5 +- net/bpf/test_run.c | 246 +++++++++++++----- net/core/filter.c | 1 + tools/include/uapi/linux/bpf.h | 5 +- .../selftests/bpf/prog_tests/prog_run_xattr.c | 51 +++- .../selftests/bpf/prog_tests/sk_lookup.c | 83 ++++-- .../selftests/bpf/progs/test_sk_lookup.c | 62 +++-- tools/testing/selftests/bpf/test_verifier.c | 4 +- .../selftests/bpf/verifier/ctx_sk_lookup.c | 1 + 10 files changed, 356 insertions(+), 112 deletions(-)