From patchwork Sun Oct 11 05:10:04 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Fastabend X-Patchwork-Id: 11830639 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 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 40B1DC433E7 for ; Sun, 11 Oct 2020 05:10:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F3F25221FE for ; Sun, 11 Oct 2020 05:10:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="MA/ICLmJ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726417AbgJKFKU (ORCPT ); Sun, 11 Oct 2020 01:10:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42322 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725882AbgJKFKU (ORCPT ); Sun, 11 Oct 2020 01:10:20 -0400 Received: from mail-io1-xd42.google.com (mail-io1-xd42.google.com [IPv6:2607:f8b0:4864:20::d42]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 08DE1C0613CE; Sat, 10 Oct 2020 22:10:20 -0700 (PDT) Received: by mail-io1-xd42.google.com with SMTP id u19so14415824ion.3; Sat, 10 Oct 2020 22:10:20 -0700 (PDT) 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=GhAxcO6z0s97SRWhKk0j8JILvo+IQBleeMoKI7214+M=; b=MA/ICLmJHTK8G9TqQ2oWkerJqaoxVq4lBKO4mYAzKX7zRHUYRtxpSoA7dbKPrXpray tYnRUW4syRNgdujNdykC9X8ujExEC/zJBrKH/XIQ8ZkdtwfCZ2ZoOOxrGvOlmUd2PkGA T/7MYHlawknpstr0GSYI5Oa9KeVMRzqSZazOoPwknzFfJsIzmwEWUzH6xA0/FZ1HsftE l2lXZYP1nH/zs86OLb3MAU0DO9duW55cAl2qByYL/ZyTwdTLggjuQK76M4Cbvu/ThZaD /aCnZP8cxXMdjuxJyAOxNa2sOc1bfdhKmQTn+90GfDspHVg9jE0NGtdkfhGtPvsdGPps yiEw== 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=GhAxcO6z0s97SRWhKk0j8JILvo+IQBleeMoKI7214+M=; b=eGrfaTuQ3LbXoDvT0iq3m9s2Upf8RhjLKVB9X62NeIUvnlq+OueiDm1YdaL5oe99yu 7AFG9r80Asicjq3vhJEmn64fqBpXitvI7h+BVPhElmE/n6WlGnMPde1HbWRCm0Rzv+XR TuOvJJxhcfomCllhkxX7VF8Pc+XXtbNB7fDf66PLzOZWK71mlOcMDzK458YagZ2WElvu KGKvddEAoSaN1hujyC3nf1FQ7eBEW6uq1uMBTpSOpOnXk0MNtWkZ+PgmlGawP3E0d5d4 HQToEh1LwMbwMq8gP4L5KO2q4OreiTXWYn23TohHTL7Wp84NezjLeLnS4pnrrB85Nxcm ei5g== X-Gm-Message-State: AOAM533p2EGrZiVJJSXthr1z1OZAyfBZqnUxzOlkmG6lp6DDC8hWUit1 GgOgSs9z66nFMVuoEJWVTOE= X-Google-Smtp-Source: ABdhPJyq2qTp7As2UKUFnU2dtV1gAHeL6RsW1NavcP44dEZgEwEjBvbx+sPRpoV2u9X2+pOUTLcBUQ== X-Received: by 2002:a6b:8e4b:: with SMTP id q72mr13146947iod.104.1602393019352; Sat, 10 Oct 2020 22:10:19 -0700 (PDT) Received: from [127.0.1.1] ([184.63.162.180]) by smtp.gmail.com with ESMTPSA id l7sm6884339ili.82.2020.10.10.22.10.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 10 Oct 2020 22:10:18 -0700 (PDT) Subject: [bpf-next PATCH 3/4] bpf, selftests: Add option to test_sockmap to omit adding parser program From: John Fastabend To: john.fastabend@gmail.com, alexei.starovoitov@gmail.com, daniel@iogearbox.net Cc: netdev@vger.kernel.org, bpf@vger.kernel.org, jakub@cloudflare.com, lmb@cloudflare.com Date: Sat, 10 Oct 2020 22:10:04 -0700 Message-ID: <160239300387.8495.11908295143121563076.stgit@john-Precision-5820-Tower> In-Reply-To: <160239226775.8495.15389345509643354423.stgit@john-Precision-5820-Tower> References: <160239226775.8495.15389345509643354423.stgit@john-Precision-5820-Tower> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org X-Patchwork-Delegate: bpf@iogearbox.net Add option to allow running without a parser program in place. To test with ping/pong program use, # test_sockmap -t ping --txmsg_omit_skb_parser this will send packets between two socket bouncing through a proxy socket that does not use a parser program. (ping) (pong) sender proxy_recv proxy_send recv | | | | verdict -----+ | | | | | +----------------+ +------------+ Signed-off-by: John Fastabend --- tools/testing/selftests/bpf/test_sockmap.c | 35 +++++++++++++++++----------- 1 file changed, 21 insertions(+), 14 deletions(-) diff --git a/tools/testing/selftests/bpf/test_sockmap.c b/tools/testing/selftests/bpf/test_sockmap.c index 5cf45455de42..419c0b010d14 100644 --- a/tools/testing/selftests/bpf/test_sockmap.c +++ b/tools/testing/selftests/bpf/test_sockmap.c @@ -86,6 +86,7 @@ int txmsg_ktls_skb_redir; int ktls; int peek_flag; int skb_use_parser; +int txmsg_omit_skb_parser; static const struct option long_options[] = { {"help", no_argument, NULL, 'h' }, @@ -111,6 +112,7 @@ static const struct option long_options[] = { {"txmsg_redir_skb", no_argument, &txmsg_redir_skb, 1 }, {"ktls", no_argument, &ktls, 1 }, {"peek", no_argument, &peek_flag, 1 }, + {"txmsg_omit_skb_parser", no_argument, &txmsg_omit_skb_parser, 1}, {"whitelist", required_argument, NULL, 'n' }, {"blacklist", required_argument, NULL, 'b' }, {0, 0, NULL, 0 } @@ -175,6 +177,7 @@ static void test_reset(void) txmsg_apply = txmsg_cork = 0; txmsg_ingress = txmsg_redir_skb = 0; txmsg_ktls_skb = txmsg_ktls_skb_drop = txmsg_ktls_skb_redir = 0; + txmsg_omit_skb_parser = 0; skb_use_parser = 0; } @@ -912,13 +915,15 @@ static int run_options(struct sockmap_options *options, int cg_fd, int test) goto run; /* Attach programs to sockmap */ - err = bpf_prog_attach(prog_fd[0], map_fd[0], - BPF_SK_SKB_STREAM_PARSER, 0); - if (err) { - fprintf(stderr, - "ERROR: bpf_prog_attach (sockmap %i->%i): %d (%s)\n", - prog_fd[0], map_fd[0], err, strerror(errno)); - return err; + if (!txmsg_omit_skb_parser) { + err = bpf_prog_attach(prog_fd[0], map_fd[0], + BPF_SK_SKB_STREAM_PARSER, 0); + if (err) { + fprintf(stderr, + "ERROR: bpf_prog_attach (sockmap %i->%i): %d (%s)\n", + prog_fd[0], map_fd[0], err, strerror(errno)); + return err; + } } err = bpf_prog_attach(prog_fd[1], map_fd[0], @@ -931,13 +936,15 @@ static int run_options(struct sockmap_options *options, int cg_fd, int test) /* Attach programs to TLS sockmap */ if (txmsg_ktls_skb) { - err = bpf_prog_attach(prog_fd[0], map_fd[8], - BPF_SK_SKB_STREAM_PARSER, 0); - if (err) { - fprintf(stderr, - "ERROR: bpf_prog_attach (TLS sockmap %i->%i): %d (%s)\n", - prog_fd[0], map_fd[8], err, strerror(errno)); - return err; + if (!txmsg_omit_skb_parser) { + err = bpf_prog_attach(prog_fd[0], map_fd[8], + BPF_SK_SKB_STREAM_PARSER, 0); + if (err) { + fprintf(stderr, + "ERROR: bpf_prog_attach (TLS sockmap %i->%i): %d (%s)\n", + prog_fd[0], map_fd[8], err, strerror(errno)); + return err; + } } err = bpf_prog_attach(prog_fd[2], map_fd[8],