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smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=DS/4rQHH; 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="DS/4rQHH" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4C301C116C6; Tue, 19 Aug 2025 09:00:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1755594041; bh=qR9rkROvrKtDJG35Qv5DT6JcxECGdEl8tEKB/1Zy5oY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DS/4rQHHBnhIxLcFa8HXtu+R4DFxgUVWYiakUTyLn/Jy15PXtOEYVDUQbFB9yxcLv maRDK2AT3XybsI8Dj5fXUffpF8lEP+RoSOLqXsoceHCSpJ/rGUAG3tmdy6Qane3kPu vHHnZ/LJWu1aiYZX7vikD2BCk0dAVO13OjCBH0Xnnx75yc66xw9sqJ5OChWQtcVw5f Z/nXoaM13ZYnJuxJlIz6Ch9AMSOcTTtMHGxnyPEY9WfXHiOgX1vBLL07YXXlcIsAeA dZCF1JdZf+3IPwMpc9CfAvxgSScafXEMXaNfhXF0Ie5w72t/YMEJsHTBxQ4vVe73OI 81ERn1Z4Qmfbw== From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [PATCH mptcp-next 10/11] selftests: mptcp: sockopt: add IP_LOCAL_PORT_RANGE test Date: Tue, 19 Aug 2025 17:00:16 +0800 Message-ID: <956a9318bb687f41652b7a73642ea7a536ce2f0f.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 IP_LOCAL_PORT_RANGE: - Sets port range to 30000-31000 - Verifies the range via getsockopt - Covers both IPv4 and IPv6 - Reports results in test script 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 02b7ec774b86..3e2072869527 100644 --- a/tools/testing/selftests/net/mptcp/mptcp_sockopt.c +++ b/tools/testing/selftests/net/mptcp/mptcp_sockopt.c @@ -280,6 +280,15 @@ static void do_setsockopt_bind_address_no_port(int fd) perror("setsockopt(IP_BIND_ADDRESS_NO_PORT)"); } =20 +static void do_setsockopt_local_port_range(int fd) +{ + uint32_t port_range =3D (31000 << 16 | 30000); // [30000 - 31000] + + if (setsockopt(fd, SOL_IP, IP_LOCAL_PORT_RANGE, &port_range, + sizeof(port_range))) + perror("setsockopt(IP_LOCAL_PORT_RANGE)"); +} + static void do_setsockopts(int fd) { do_setsockopt_reuseaddr(fd); @@ -290,6 +299,7 @@ static void do_setsockopts(int fd) do_setsockopt_freebind(fd); do_setsockopt_transparent(fd); do_setsockopt_bind_address_no_port(fd); + do_setsockopt_local_port_range(fd); } =20 static int sock_listen_mptcp(const char * const listenaddr, @@ -797,6 +807,19 @@ static void do_getsockopt_bind_address_no_port(int fd) assert(enable =3D=3D 1); } =20 +static void do_getsockopt_local_port_range(int fd) +{ + uint32_t port_range; + socklen_t len; + + len =3D sizeof(port_range); + if (getsockopt(fd, SOL_IP, IP_LOCAL_PORT_RANGE, + &port_range, &len)) + die_perror("getsockopt(IP_LOCAL_PORT_RANGE)"); + + assert(port_range =3D=3D (31000 << 16 | 30000)); +} + static void do_getsockopts(struct so_state *s, int fd, size_t r, size_t w) { do_getsockopt_mptcp_info(s, fd, w); @@ -823,6 +846,8 @@ static void do_getsockopts(struct so_state *s, int fd, = size_t r, size_t w) do_getsockopt_transparent(fd); =20 do_getsockopt_bind_address_no_port(fd); + + do_getsockopt_local_port_range(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 1bee46c9b29a..a688917a13c1 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh @@ -305,6 +305,10 @@ do_mptcp_sockopt_tests() mptcp_lib_pr_ok mptcp_lib_result_pass "IP_BIND_ADDRESS_NO_PORT sockopt v4" =20 + print_title "IP_LOCAL_PORT_RANGE sockopt v4" + mptcp_lib_pr_ok + mptcp_lib_result_pass "IP_LOCAL_PORT_RANGE sockopt v4" + ip netns exec "$ns_sbox" ./mptcp_sockopt -6 lret=3D$? =20 @@ -351,6 +355,10 @@ do_mptcp_sockopt_tests() print_title "IP_BIND_ADDRESS_NO_PORT sockopt v6" mptcp_lib_pr_ok mptcp_lib_result_pass "IP_BIND_ADDRESS_NO_PORT sockopt v6" + + print_title "IP_LOCAL_PORT_RANGE sockopt v6" + mptcp_lib_pr_ok + mptcp_lib_result_pass "IP_LOCAL_PORT_RANGE sockopt v6" } =20 run_tests() --=20 2.48.1