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AJvYcCVO2fkWnwJx7F5ndw67IksE6FCQ3rrrOLsF0z5bW0ps9oEYq2wVyXu6yNKV6S/SeFWa6IxAURX4Z0/r3ZRxQrc=@vger.kernel.org X-Gm-Message-State: AOJu0YzlxK+JtFt+HuFIUxbOVzYXb7jTnXLkid/lQc5L8Bzlb8wv1fT9 tcGpF+ZnAw/CHcs4DoqBnAhJkCnevz5x8MdiGSA++1kNus6PB+ujLpVaqQd5hKg= X-Google-Smtp-Source: AGHT+IF8FZ62F3t14kxbTqWQfHm1EgOf2TO1sWKDgesgw76UlXpQC6XKw5Ig4N3rdi4YJTYevfZbNg== X-Received: by 2002:a05:6a00:812:b0:70d:1b48:e362 with SMTP id d2e1a72fcca58-719262065e5mr13240001b3a.26.1726309976169; Sat, 14 Sep 2024 03:32:56 -0700 (PDT) Received: from C02F52LSML85.bytedance.net ([203.208.167.149]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-71944ab50cbsm788332b3a.53.2024.09.14.03.32.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 14 Sep 2024 03:32:55 -0700 (PDT) From: Feng zhou To: ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org, martin.lau@linux.dev, eddyz87@gmail.com, song@kernel.org, yonghong.song@linux.dev, john.fastabend@gmail.com, kpsingh@kernel.org, sdf@fomichev.me, haoluo@google.com, jolsa@kernel.org, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, mykolal@fb.com, shuah@kernel.org, alan.maguire@oracle.com Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, bpf@vger.kernel.org, linux-kselftest@vger.kernel.org, yangzhenze@bytedance.com, wangdongdong.6@bytedance.com, zhoufeng.zf@bytedance.com Subject: [PATCH bpf-next v3 2/2] selftests/bpf: Setget_sockopt add a test for tcp over ipv4 via ipv6 Date: Sat, 14 Sep 2024 18:32:26 +0800 Message-Id: <20240914103226.71109-3-zhoufeng.zf@bytedance.com> X-Mailer: git-send-email 2.39.3 (Apple Git-146) In-Reply-To: <20240914103226.71109-1-zhoufeng.zf@bytedance.com> References: <20240914103226.71109-1-zhoufeng.zf@bytedance.com> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Feng Zhou This patch adds a test for TCP over IPv4 via INET6 API. Signed-off-by: Feng Zhou --- .../selftests/bpf/prog_tests/setget_sockopt.c | 33 +++++++++++++++++++ .../selftests/bpf/progs/setget_sockopt.c | 13 ++++++-- 2 files changed, 43 insertions(+), 3 deletions(-) diff --git a/tools/testing/selftests/bpf/prog_tests/setget_sockopt.c b/tools/testing/selftests/bpf/prog_tests/setget_sockopt.c index 7d4a9b3d3722..3cad92128e60 100644 --- a/tools/testing/selftests/bpf/prog_tests/setget_sockopt.c +++ b/tools/testing/selftests/bpf/prog_tests/setget_sockopt.c @@ -15,8 +15,11 @@ #define CG_NAME "/setget-sockopt-test" +#define INT_PORT 8008 + static const char addr4_str[] = "127.0.0.1"; static const char addr6_str[] = "::1"; +static const char addr6_any_str[] = "::"; static struct setget_sockopt *skel; static int cg_fd; @@ -67,6 +70,35 @@ static void test_tcp(int family) ASSERT_EQ(bss->nr_binddev, 2, "nr_bind"); } +static void test_tcp_over_ipv4_via_ipv6(void) +{ + struct setget_sockopt__bss *bss = skel->bss; + int sfd, cfd; + + memset(bss, 0, sizeof(*bss)); + skel->bss->test_tcp_over_ipv4_via_ipv6 = 1; + + sfd = start_server(AF_INET6, SOCK_STREAM, + addr6_any_str, INT_PORT, 0); + if (!ASSERT_GE(sfd, 0, "start_server")) + return; + + cfd = connect_to_addr_str(AF_INET, SOCK_STREAM, addr4_str, INT_PORT, NULL); + if (!ASSERT_GE(cfd, 0, "connect_to_addr_str")) { + close(sfd); + return; + } + close(sfd); + close(cfd); + + ASSERT_EQ(bss->nr_listen, 1, "nr_listen"); + ASSERT_EQ(bss->nr_connect, 1, "nr_connect"); + ASSERT_EQ(bss->nr_active, 1, "nr_active"); + ASSERT_EQ(bss->nr_passive, 1, "nr_passive"); + ASSERT_EQ(bss->nr_socket_post_create, 2, "nr_socket_post_create"); + ASSERT_EQ(bss->nr_binddev, 2, "nr_bind"); +} + static void test_udp(int family) { struct setget_sockopt__bss *bss = skel->bss; @@ -191,6 +223,7 @@ void test_setget_sockopt(void) test_udp(AF_INET); test_ktls(AF_INET6); test_ktls(AF_INET); + test_tcp_over_ipv4_via_ipv6(); done: setget_sockopt__destroy(skel); diff --git a/tools/testing/selftests/bpf/progs/setget_sockopt.c b/tools/testing/selftests/bpf/progs/setget_sockopt.c index 60518aed1ffc..ff834d94dd23 100644 --- a/tools/testing/selftests/bpf/progs/setget_sockopt.c +++ b/tools/testing/selftests/bpf/progs/setget_sockopt.c @@ -20,6 +20,7 @@ int nr_connect; int nr_binddev; int nr_socket_post_create; int nr_fin_wait1; +int test_tcp_over_ipv4_via_ipv6; struct sockopt_test { int opt; @@ -262,9 +263,15 @@ static int bpf_test_sockopt(void *ctx, struct sock *sk) if (n != ARRAY_SIZE(sol_ip_tests)) return -1; } else { - n = bpf_loop(ARRAY_SIZE(sol_ipv6_tests), bpf_test_ipv6_sockopt, &lc, 0); - if (n != ARRAY_SIZE(sol_ipv6_tests)) - return -1; + if (test_tcp_over_ipv4_via_ipv6) { + n = bpf_loop(ARRAY_SIZE(sol_ip_tests), bpf_test_ip_sockopt, &lc, 0); + if (n != ARRAY_SIZE(sol_ip_tests)) + return -1; + } else { + n = bpf_loop(ARRAY_SIZE(sol_ipv6_tests), bpf_test_ipv6_sockopt, &lc, 0); + if (n != ARRAY_SIZE(sol_ipv6_tests)) + return -1; + } } return 0;