From patchwork Sat Jun 22 01:23:43 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geliang Tang X-Patchwork-Id: 13708163 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D0EE5441D; Sat, 22 Jun 2024 01:24:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719019454; cv=none; b=WU+VNBxUPnMvpi22DD7C4pHDnjCNi1y98sRZsuGbZGqoMcpg6hUrjZ44BHN6NPEdO1Cf1zIRN+C2KSfa5XhB/71K+Ut2+IjBuG3/kQV8GV+D+kkRwstS9zSpooj3A9x9XqY749a55froruNRkp0f3Ye9Kpc1qTnl0GuFWcu0iEA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719019454; c=relaxed/simple; bh=/lxFmWi7jg1WBjAVIvKF5h+VNV6it5HMrFyR1RnRPCs=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=l1vLazGWzT88bT2DcFoJ9K7Fdlhe+laFawR2qlW3gJ2VZ8Yp28zRtW/8fPUkbXgezsZvZRGQzWwrZGpNFUDqRXjqC29kRmTZG6YaL3ANdyTEw8s6D7dWiEoHVvD/0uW/sOzlMLh0zAG2X6NO25PieQvA0Fj/dsVAAw/8URjEQ8U= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=j64VBEv/; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="j64VBEv/" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 76923C2BBFC; Sat, 22 Jun 2024 01:24:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1719019454; bh=/lxFmWi7jg1WBjAVIvKF5h+VNV6it5HMrFyR1RnRPCs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=j64VBEv/jmnT/8YDUccQ+neJMKje6gBz6YEBPRORpxCKH50aL9XQiduDpqmQ00QZe VfPVMXTJFCZj/faSCR5wl8XfQcd+N+rtSWVmfku+wKUftdtrk0Ch1MFYT8PNoCmd/0 Xpe0WFKqh69DdUnG6igjbR0wGEDkKotxlj/nsKJ7UItGbVY59zzu3OaQPSKqZnjve/ nGX3B9daw8zSqjQIxfQZDJ3BjalpVkxYEIvrD/wE1BPqXut4aBYU7fIXN0OTRdnevy IkccEjpUHPAxvAYGDXsDTjZP97rRMauSCI4S6SsmtPSCVu510kcneki9+HfTctKXLG Lzvx/SWPqfAGA== From: Geliang Tang To: Andrii Nakryiko , Eduard Zingerman , Mykola Lysenko , Alexei Starovoitov , Daniel Borkmann , Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , Shuah Khan Cc: Geliang Tang , bpf@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: [PATCH bpf-next v2 3/7] selftests/bpf: Use start_server_str in sk_lookup Date: Sat, 22 Jun 2024 09:23:43 +0800 Message-ID: X-Mailer: git-send-email 2.43.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Geliang Tang This patch uses public helper start_server_addr() in make_server() in prog_tests/sk_lookup.c to avoid duplicate code. Add a helper setsockopts() to set SOL_CUSTOM sockopt looply, set it to setsockopt pointer of struct network_helper_opts, and pass it to start_server_addr(). Acked-by: Eduard Zingerman Signed-off-by: Geliang Tang --- .../selftests/bpf/prog_tests/sk_lookup.c | 57 +++++++++++-------- 1 file changed, 33 insertions(+), 24 deletions(-) diff --git a/tools/testing/selftests/bpf/prog_tests/sk_lookup.c b/tools/testing/selftests/bpf/prog_tests/sk_lookup.c index 597d0467a926..ba73b56f4484 100644 --- a/tools/testing/selftests/bpf/prog_tests/sk_lookup.c +++ b/tools/testing/selftests/bpf/prog_tests/sk_lookup.c @@ -77,6 +77,12 @@ struct test { bool reuseport_has_conns; /* Add a connected socket to reuseport group */ }; +struct cb_opts { + int family; + int sotype; + bool reuseport; +}; + static __u32 duration; /* for CHECK macro */ static bool is_ipv6(const char *ip) @@ -142,19 +148,14 @@ static int make_socket(int sotype, const char *ip, int port, return fd; } -static int make_server(int sotype, const char *ip, int port, - struct bpf_program *reuseport_prog) +static int setsockopts(int fd, void *opts) { - struct sockaddr_storage addr = {0}; + struct cb_opts *co = (struct cb_opts *)opts; const int one = 1; - int err, fd = -1; - - fd = make_socket(sotype, ip, port, &addr); - if (fd < 0) - return -1; + int err = 0; /* Enabled for UDPv6 sockets for IPv4-mapped IPv6 to work. */ - if (sotype == SOCK_DGRAM) { + if (co->sotype == SOCK_DGRAM) { err = setsockopt(fd, SOL_IP, IP_RECVORIGDSTADDR, &one, sizeof(one)); if (CHECK(err, "setsockopt(IP_RECVORIGDSTADDR)", "failed\n")) { @@ -163,7 +164,7 @@ static int make_server(int sotype, const char *ip, int port, } } - if (sotype == SOCK_DGRAM && addr.ss_family == AF_INET6) { + if (co->sotype == SOCK_DGRAM && co->family == AF_INET6) { err = setsockopt(fd, SOL_IPV6, IPV6_RECVORIGDSTADDR, &one, sizeof(one)); if (CHECK(err, "setsockopt(IPV6_RECVORIGDSTADDR)", "failed\n")) { @@ -172,7 +173,7 @@ static int make_server(int sotype, const char *ip, int port, } } - if (sotype == SOCK_STREAM) { + if (co->sotype == SOCK_STREAM) { err = setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one)); if (CHECK(err, "setsockopt(SO_REUSEADDR)", "failed\n")) { @@ -181,7 +182,7 @@ static int make_server(int sotype, const char *ip, int port, } } - if (reuseport_prog) { + if (co->reuseport) { err = setsockopt(fd, SOL_SOCKET, SO_REUSEPORT, &one, sizeof(one)); if (CHECK(err, "setsockopt(SO_REUSEPORT)", "failed\n")) { @@ -190,19 +191,27 @@ static int make_server(int sotype, const char *ip, int port, } } - err = bind(fd, (void *)&addr, inetaddr_len(&addr)); - if (CHECK(err, "bind", "failed\n")) { - log_err("failed to bind listen socket"); - goto fail; - } +fail: + return err; +} - if (sotype == SOCK_STREAM) { - err = listen(fd, SOMAXCONN); - if (CHECK(err, "make_server", "listen")) { - log_err("failed to listen on port %d", port); - goto fail; - } - } +static int make_server(int sotype, const char *ip, int port, + struct bpf_program *reuseport_prog) +{ + struct cb_opts cb_opts = { + .family = is_ipv6(ip) ? AF_INET6 : AF_INET, + .sotype = sotype, + .reuseport = reuseport_prog, + }; + struct network_helper_opts opts = { + .post_socket_cb = setsockopts, + .cb_opts = &cb_opts, + }; + int err, fd = -1; + + fd = start_server_str(cb_opts.family, sotype, ip, port, &opts); + if (CHECK(fd < 0, "start_server_addr", "failed\n")) + return -1; /* Late attach reuseport prog so we can have one init path */ if (reuseport_prog) {