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smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Jnuk/wbc; 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="Jnuk/wbc" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 273ABC4CEF1; Tue, 19 Aug 2025 09:00:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1755594039; bh=KV3bTDYQw3aJTuMs/eRT42XhnKRabo0IyCTn3wBe8lw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Jnuk/wbc2ljubLZJaAgoGEBPkRNHjCizfq24tetimWuSQmo4gFltjTqYGuaDE/Wxw R2IapaHLy5c0skUL6odFqJk9Hcf7YVZ7tPUSC4AJenP0X3IhfWjg9g0FHQnmtG8SPV GNuyPoZ+6jBDkVQHJw1Xfr5fYNv1AcwLRDwHP15HvkXe2UfM7HpxjPciBQI/LTvKG0 OCt5OAENg3kyugmmPvpKux11yqMUgUlMLR9uVc/jYfyeWwVXF9Robu9z/MpklMIbb0 2RAXn1xuzp6FjpVUuqJwVxy7i2jkvcNRcSrH3/DklrgenFFwOb0hq81FCNBAIqvT1g hCCP5brJ4JEsA== From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [PATCH mptcp-next 09/11] selftests: mptcp: sockopt: add IP_BIND_ADDRESS_NO_PORT test Date: Tue, 19 Aug 2025 17:00:15 +0800 Message-ID: <23fff5bbf1251eeb2bd5561fe4c283ff6dd1fbd0.1755592822.git.tanggeliang@kylinos.cn> X-Mailer: git-send-email 2.48.1 In-Reply-To: References: Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Geliang Tang Add tests for the IP_BIND_ADDRESS_NO_PORT socket option: - Enables the option via setsockopt - Verifies the enabled state via getsockopt - Includes tests for both IPv4 and IPv6 - Updates test script output Signed-off-by: Geliang Tang --- .../selftests/net/mptcp/mptcp_sockopt.c | 25 +++++++++++++++++++ .../selftests/net/mptcp/mptcp_sockopt.sh | 8 ++++++ 2 files changed, 33 insertions(+) diff --git a/tools/testing/selftests/net/mptcp/mptcp_sockopt.c b/tools/test= ing/selftests/net/mptcp/mptcp_sockopt.c index fe54c333e455..02b7ec774b86 100644 --- a/tools/testing/selftests/net/mptcp/mptcp_sockopt.c +++ b/tools/testing/selftests/net/mptcp/mptcp_sockopt.c @@ -271,6 +271,15 @@ static void do_setsockopt_transparent(int fd) perror("setsockopt(IP_TRANSPARENT)"); } =20 +static void do_setsockopt_bind_address_no_port(int fd) +{ + int enable =3D 1; + + if (setsockopt(fd, SOL_IP, IP_BIND_ADDRESS_NO_PORT, &enable, + sizeof(enable))) + perror("setsockopt(IP_BIND_ADDRESS_NO_PORT)"); +} + static void do_setsockopts(int fd) { do_setsockopt_reuseaddr(fd); @@ -280,6 +289,7 @@ static void do_setsockopts(int fd) do_setsockopt_tos(fd); do_setsockopt_freebind(fd); do_setsockopt_transparent(fd); + do_setsockopt_bind_address_no_port(fd); } =20 static int sock_listen_mptcp(const char * const listenaddr, @@ -774,6 +784,19 @@ static void do_getsockopt_transparent(int fd) assert(enable =3D=3D 1); } =20 +static void do_getsockopt_bind_address_no_port(int fd) +{ + socklen_t len; + int enable; + + len =3D sizeof(enable); + if (getsockopt(fd, SOL_IP, IP_BIND_ADDRESS_NO_PORT, + &enable, &len)) + die_perror("getsockopt(IP_TRANSPARENT)"); + + assert(enable =3D=3D 1); +} + static void do_getsockopts(struct so_state *s, int fd, size_t r, size_t w) { do_getsockopt_mptcp_info(s, fd, w); @@ -798,6 +821,8 @@ static void do_getsockopts(struct so_state *s, int fd, = size_t r, size_t w) do_getsockopt_freebind(fd); =20 do_getsockopt_transparent(fd); + + do_getsockopt_bind_address_no_port(fd); } =20 static void connect_one_server(int fd, int pipefd) diff --git a/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh b/tools/tes= ting/selftests/net/mptcp/mptcp_sockopt.sh index ed73ad7bba66..1bee46c9b29a 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh @@ -301,6 +301,10 @@ do_mptcp_sockopt_tests() mptcp_lib_pr_ok mptcp_lib_result_pass "IP_TRANSPARENT sockopt v4" =20 + print_title "IP_BIND_ADDRESS_NO_PORT sockopt v4" + mptcp_lib_pr_ok + mptcp_lib_result_pass "IP_BIND_ADDRESS_NO_PORT sockopt v4" + ip netns exec "$ns_sbox" ./mptcp_sockopt -6 lret=3D$? =20 @@ -343,6 +347,10 @@ do_mptcp_sockopt_tests() print_title "IPV6_TRANSPARENT sockopt v6" mptcp_lib_pr_ok mptcp_lib_result_pass "IPV6_TRANSPARENT sockopt v6" + + print_title "IP_BIND_ADDRESS_NO_PORT sockopt v6" + mptcp_lib_pr_ok + mptcp_lib_result_pass "IP_BIND_ADDRESS_NO_PORT sockopt v6" } =20 run_tests() --=20 2.48.1