From patchwork Tue Aug 24 17:30:19 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Martin KaFai Lau X-Patchwork-Id: 502163 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=-19.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, 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 9F035C4338F for ; Tue, 24 Aug 2021 17:32:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8D799610E8 for ; Tue, 24 Aug 2021 17:32:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241689AbhHXRdS (ORCPT ); Tue, 24 Aug 2021 13:33:18 -0400 Received: from mx0b-00082601.pphosted.com ([67.231.153.30]:4875 "EHLO mx0b-00082601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241282AbhHXRbK (ORCPT ); Tue, 24 Aug 2021 13:31:10 -0400 Received: from pps.filterd (m0148460.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 17OHTRUg029554 for ; Tue, 24 Aug 2021 10:30:25 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fb.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=facebook; bh=QkuSMorJK9amTtraW+MA3m8gUlTlB6ploxMETt8BRlE=; b=PodE7dcV9FuZIf6EsQYu+Ob5kpE2ilm4k0FH+jdc3OQySEjYUQrTlUmYaV8BkmFulF39 M66lkOQnbfIlIIPkKjaJwm2W3WLoS126vf4xEIphStnb4KRWxZ0j7LHmddp2BGj3r0Im uzvxgR+4CCRzmDm3qQsZba11h8qkVisAz6E= Received: from mail.thefacebook.com ([163.114.132.120]) by mx0a-00082601.pphosted.com with ESMTP id 3an515g385-2 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Tue, 24 Aug 2021 10:30:25 -0700 Received: from intmgw006.03.ash8.facebook.com (2620:10d:c085:108::4) by mail.thefacebook.com (2620:10d:c085:21d::5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Tue, 24 Aug 2021 10:30:23 -0700 Received: by devbig005.ftw2.facebook.com (Postfix, from userid 6611) id CE49F2940D05; Tue, 24 Aug 2021 10:30:19 -0700 (PDT) From: Martin KaFai Lau To: CC: Alexei Starovoitov , Andrii Nakryiko , Daniel Borkmann , , Subject: [PATCH v2 bpf-next 3/4] bpf: selftests: Add connect_to_fd_opts to network_helpers Date: Tue, 24 Aug 2021 10:30:19 -0700 Message-ID: <20210824173019.3977910-1-kafai@fb.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210824173000.3976470-1-kafai@fb.com> References: <20210824173000.3976470-1-kafai@fb.com> MIME-Version: 1.0 X-FB-Internal: Safe X-FB-Source: Intern X-Proofpoint-GUID: Qjdcd6pA-Y-aWlhGPwCnFeQa_l3Iuruy X-Proofpoint-ORIG-GUID: Qjdcd6pA-Y-aWlhGPwCnFeQa_l3Iuruy X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.391, 18.0.790 definitions=2021-08-24_05:2021-08-24,2021-08-24 signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 priorityscore=1501 suspectscore=0 clxscore=1015 adultscore=0 mlxscore=0 phishscore=0 impostorscore=0 spamscore=0 malwarescore=0 mlxlogscore=782 bulkscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2107140000 definitions=main-2108240115 X-FB-Internal: deliver Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org The next test requires to setsockopt(TCP_CONGESTION) before connect(), so a new arg is needed for the connect_to_fd() to specify the cc's name. This patch adds a new "struct network_helper_opts" for the future option needs. It starts with the "cc" and "timeout_ms" option. A new helper connect_to_fd_opts() is added to take the new "const struct network_helper_opts *opts" as an arg. Signed-off-by: Martin KaFai Lau --- tools/testing/selftests/bpf/network_helpers.c | 23 +++++++++++++++++-- tools/testing/selftests/bpf/network_helpers.h | 6 +++++ 2 files changed, 27 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/bpf/network_helpers.c b/tools/testing/selftests/bpf/network_helpers.c index d6857683397f..7e9f6375757a 100644 --- a/tools/testing/selftests/bpf/network_helpers.c +++ b/tools/testing/selftests/bpf/network_helpers.c @@ -218,13 +218,18 @@ static int connect_fd_to_addr(int fd, return 0; } -int connect_to_fd(int server_fd, int timeout_ms) +static const struct network_helper_opts default_opts; + +int connect_to_fd_opts(int server_fd, const struct network_helper_opts *opts) { struct sockaddr_storage addr; struct sockaddr_in *addr_in; socklen_t addrlen, optlen; int fd, type; + if (!opts) + opts = &default_opts; + optlen = sizeof(type); if (getsockopt(server_fd, SOL_SOCKET, SO_TYPE, &type, &optlen)) { log_err("getsockopt(SOL_TYPE)"); @@ -244,7 +249,12 @@ int connect_to_fd(int server_fd, int timeout_ms) return -1; } - if (settimeo(fd, timeout_ms)) + if (settimeo(fd, opts->timeout_ms)) + goto error_close; + + if (opts->cc && opts->cc[0] && + setsockopt(fd, SOL_TCP, TCP_CONGESTION, opts->cc, + strlen(opts->cc) + 1)) goto error_close; if (connect_fd_to_addr(fd, &addr, addrlen)) @@ -257,6 +267,15 @@ int connect_to_fd(int server_fd, int timeout_ms) return -1; } +int connect_to_fd(int server_fd, int timeout_ms) +{ + struct network_helper_opts opts = { + .timeout_ms = timeout_ms, + }; + + return connect_to_fd_opts(server_fd, &opts); +} + int connect_fd_to_fd(int client_fd, int server_fd, int timeout_ms) { struct sockaddr_storage addr; diff --git a/tools/testing/selftests/bpf/network_helpers.h b/tools/testing/selftests/bpf/network_helpers.h index c59a8f6d770b..da7e132657d5 100644 --- a/tools/testing/selftests/bpf/network_helpers.h +++ b/tools/testing/selftests/bpf/network_helpers.h @@ -17,6 +17,11 @@ typedef __u16 __sum16; #define VIP_NUM 5 #define MAGIC_BYTES 123 +struct network_helper_opts { + const char *cc; + int timeout_ms; +}; + /* ipv4 test vector */ struct ipv4_packet { struct ethhdr eth; @@ -41,6 +46,7 @@ int *start_reuseport_server(int family, int type, const char *addr_str, unsigned int nr_listens); void free_fds(int *fds, unsigned int nr_close_fds); int connect_to_fd(int server_fd, int timeout_ms); +int connect_to_fd_opts(int server_fd, const struct network_helper_opts *opts); int connect_fd_to_fd(int client_fd, int server_fd, int timeout_ms); int fastopen_connect(int server_fd, const char *data, unsigned int data_len, int timeout_ms);