From patchwork Wed May 15 04:20:22 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geliang Tang X-Patchwork-Id: 797141 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 16CB0383A1; Wed, 15 May 2024 04:20:50 +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=1715746851; cv=none; b=GiG1PQY73ISdA2lDhBHecriT9DWot6SXcAIl7E7CHIgoYVAMf9QLBZ9fRW2RZYId8KkvClZ6lCmPVuIOocS00Sy5rKj+c7WHLy4AqmB9D7NmTUTIpXwPJtCo8kZzcP/IbjrFS9PXfYbDwnPN9VPGSNgXExikN+0/wz4z3+p+h3w= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715746851; c=relaxed/simple; bh=O4lwtqDDPeBUnGU0HAH5cF9ar9DD2TsAFR5rf9sF2vQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=DfXW06m3Yod2wqx0Izr5lFQaKLJfacNnfUX+1HNmVsyh89Ol5H2IRiFHdPTSmD4owtybjv2kIteC0ogD/gPBgGajdY0Kt3r4QWwwt1IN/j4ozYOgdiFGFCE72Lvc2xoqXzWr6V10lwl+gdUipU+UaMzLG2TRp/tvuxXGOjbp+mI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=hWw5ODk1; 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="hWw5ODk1" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2F69AC4AF12; Wed, 15 May 2024 04:20:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1715746850; bh=O4lwtqDDPeBUnGU0HAH5cF9ar9DD2TsAFR5rf9sF2vQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hWw5ODk1vOk7I6v64G/FxyIuIRzqiNCaG0dM6yCR5kL95BfeF6wnJMA3mL/UlDEme mJy4pO5ztQFKAXpic1S6cl7OWi1Yt3uEFtxqtGR7F6vqmG+EwrVaVRcGoVssxpwNFL m9lkCwRzjzIvFHPykHu6e4NyeBP28t/Sm1zzJXxjH+Vrxlrsm9Ca+pBF3R4fq4pGMf jq/6wUHo/0mA9SnlxHDcTAwWMj3Pnvp6xzPkfX7CNtUYeOXMjnoeWG5ZBvJfEpOUxz 1QGvACbluXsLVw/+wJYcbCK+sTfiOwsuMe66lB1WzTvH5OVe17di9PWnBd+aO2NG13 thIkBYs2+FZZQ== 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, Geliang Tang Subject: [PATCH bpf-next v2 2/4] selftests/bpf: Use start_server_addr in bpf_tcp_ca Date: Wed, 15 May 2024 12:20:22 +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 start_server_addr() in do_test() in prog_tests/bpf_tcp_ca.c to accept a struct network_helper_opts argument instead of using start_server() and settcpca(). Then change the type of the first paramenter of do_test() into a struct network_helper_opts one. Define its own opts for each test, set its own cc name into cb_opts.cc, and cc_cb() into post_socket_cb callback, then pass it to do_test(). opts->cb_opts needs to be passed to post_socket_cb() in __start_server(). Signed-off-by: Geliang Tang --- tools/testing/selftests/bpf/network_helpers.c | 2 +- .../selftests/bpf/prog_tests/bpf_tcp_ca.c | 52 +++++++++++++++---- 2 files changed, 42 insertions(+), 12 deletions(-) diff --git a/tools/testing/selftests/bpf/network_helpers.c b/tools/testing/selftests/bpf/network_helpers.c index d97f8a669b38..6864af665508 100644 --- a/tools/testing/selftests/bpf/network_helpers.c +++ b/tools/testing/selftests/bpf/network_helpers.c @@ -94,7 +94,7 @@ static int __start_server(int type, const struct sockaddr *addr, socklen_t addrl if (settimeo(fd, opts->timeout_ms)) goto error_close; - if (opts->post_socket_cb && opts->post_socket_cb(fd, NULL)) { + if (opts->post_socket_cb && opts->post_socket_cb(fd, &opts->cb_opts)) { log_err("Failed to call post_socket_cb"); goto error_close; } diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c b/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c index 9bc909fa0833..25961ce850cb 100644 --- a/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c +++ b/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c @@ -34,12 +34,18 @@ static int settcpca(int fd, const char *tcp_ca) return 0; } -static void do_test(const char *tcp_ca, const struct bpf_map *sk_stg_map) +static void do_test(const struct network_helper_opts *opts, + const struct bpf_map *sk_stg_map) { + struct sockaddr_storage addr; int lfd = -1, fd = -1; + socklen_t addrlen; int err; - lfd = start_server(AF_INET6, SOCK_STREAM, NULL, 0, 0); + if (make_sockaddr(AF_INET6, NULL, 0, &addr, &addrlen)) + return; + + lfd = start_server_addr(SOCK_STREAM, &addr, addrlen, opts); if (!ASSERT_NEQ(lfd, -1, "socket")) return; @@ -49,7 +55,7 @@ static void do_test(const char *tcp_ca, const struct bpf_map *sk_stg_map) return; } - if (settcpca(lfd, tcp_ca) || settcpca(fd, tcp_ca)) + if (settcpca(fd, opts->cb_opts.cc)) goto done; if (sk_stg_map) { @@ -89,6 +95,10 @@ static int cc_cb(int fd, const struct post_socket_opts *opts) static void test_cubic(void) { + struct network_helper_opts opts = { + .cb_opts.cc = "bpf_cubic", + .post_socket_cb = cc_cb, + }; struct bpf_cubic *cubic_skel; struct bpf_link *link; @@ -102,7 +112,7 @@ static void test_cubic(void) return; } - do_test("bpf_cubic", NULL); + do_test(&opts, NULL); ASSERT_EQ(cubic_skel->bss->bpf_cubic_acked_called, 1, "pkts_acked called"); @@ -112,6 +122,10 @@ static void test_cubic(void) static void test_dctcp(void) { + struct network_helper_opts opts = { + .cb_opts.cc = "bpf_dctcp", + .post_socket_cb = cc_cb, + }; struct bpf_dctcp *dctcp_skel; struct bpf_link *link; @@ -125,7 +139,7 @@ static void test_dctcp(void) return; } - do_test("bpf_dctcp", dctcp_skel->maps.sk_stg_map); + do_test(&opts, dctcp_skel->maps.sk_stg_map); ASSERT_EQ(dctcp_skel->bss->stg_result, expected_stg, "stg_result"); bpf_link__destroy(link); @@ -304,6 +318,10 @@ static void test_unsupp_cong_op(void) static void test_update_ca(void) { + struct network_helper_opts opts = { + .cb_opts.cc = "tcp_ca_update", + .post_socket_cb = cc_cb, + }; struct tcp_ca_update *skel; struct bpf_link *link; int saved_ca1_cnt; @@ -316,14 +334,14 @@ static void test_update_ca(void) link = bpf_map__attach_struct_ops(skel->maps.ca_update_1); ASSERT_OK_PTR(link, "attach_struct_ops"); - do_test("tcp_ca_update", NULL); + do_test(&opts, NULL); saved_ca1_cnt = skel->bss->ca1_cnt; ASSERT_GT(saved_ca1_cnt, 0, "ca1_ca1_cnt"); err = bpf_link__update_map(link, skel->maps.ca_update_2); ASSERT_OK(err, "update_map"); - do_test("tcp_ca_update", NULL); + do_test(&opts, NULL); ASSERT_EQ(skel->bss->ca1_cnt, saved_ca1_cnt, "ca2_ca1_cnt"); ASSERT_GT(skel->bss->ca2_cnt, 0, "ca2_ca2_cnt"); @@ -333,6 +351,10 @@ static void test_update_ca(void) static void test_update_wrong(void) { + struct network_helper_opts opts = { + .cb_opts.cc = "tcp_ca_update", + .post_socket_cb = cc_cb, + }; struct tcp_ca_update *skel; struct bpf_link *link; int saved_ca1_cnt; @@ -345,14 +367,14 @@ static void test_update_wrong(void) link = bpf_map__attach_struct_ops(skel->maps.ca_update_1); ASSERT_OK_PTR(link, "attach_struct_ops"); - do_test("tcp_ca_update", NULL); + do_test(&opts, NULL); saved_ca1_cnt = skel->bss->ca1_cnt; ASSERT_GT(saved_ca1_cnt, 0, "ca1_ca1_cnt"); err = bpf_link__update_map(link, skel->maps.ca_wrong); ASSERT_ERR(err, "update_map"); - do_test("tcp_ca_update", NULL); + do_test(&opts, NULL); ASSERT_GT(skel->bss->ca1_cnt, saved_ca1_cnt, "ca2_ca1_cnt"); bpf_link__destroy(link); @@ -361,6 +383,10 @@ static void test_update_wrong(void) static void test_mixed_links(void) { + struct network_helper_opts opts = { + .cb_opts.cc = "tcp_ca_update", + .post_socket_cb = cc_cb, + }; struct tcp_ca_update *skel; struct bpf_link *link, *link_nl; int err; @@ -375,7 +401,7 @@ static void test_mixed_links(void) link = bpf_map__attach_struct_ops(skel->maps.ca_update_1); ASSERT_OK_PTR(link, "attach_struct_ops"); - do_test("tcp_ca_update", NULL); + do_test(&opts, NULL); ASSERT_GT(skel->bss->ca1_cnt, 0, "ca1_ca1_cnt"); err = bpf_link__update_map(link, skel->maps.ca_no_link); @@ -462,6 +488,10 @@ static void test_tcp_ca_kfunc(void) static void test_cc_cubic(void) { + struct network_helper_opts opts = { + .cb_opts.cc = "bpf_cc_cubic", + .post_socket_cb = cc_cb, + }; struct bpf_cc_cubic *cc_cubic_skel; struct bpf_link *link; @@ -475,7 +505,7 @@ static void test_cc_cubic(void) return; } - do_test("bpf_cc_cubic", NULL); + do_test(&opts, NULL); bpf_link__destroy(link); bpf_cc_cubic__destroy(cc_cubic_skel);