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smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=pvucpXSP; 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="pvucpXSP" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 496DEC4CEED; Thu, 21 Aug 2025 08:55:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1755766545; bh=vSKyIEbQYvUT9+M/dK7eMKPXnScz8yekPL97TpMiNUY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pvucpXSPvs51VcJ29RZDOM5U+JG+r4eM8rXCEkHmdF0A0fECxQpI/9iafpMPv+x1p 3ij1I0JuIpyWEFdgtYHa5IIgN+4O19N8TtUTZUxINxUqPaZ7X0+O2wuoKAVcTGRurC PpmbvweKgYidSRIAN4pkvkPNHWz4QaKvQv3G9pAvWSM/x9JJSozJfs1+IMJCL5UPqY 23I+4NUon8a9Ufd6FoOG+XB8BOs/23WuaMhivK8ZpLCt6/UDPhoIXfzraInLarhJkP 7HpEJNVinGhUpReKXJThU8HBbzdt9kp3Z3cYnwAd1X6U+XWcrUUe7oKaFWi0wJiQbM JQaPanWt5JMwQ== From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [PATCH mptcp-next v2 09/10] selftests: mptcp: sockopt: add IP_LOCAL_PORT_RANGE test Date: Thu, 21 Aug 2025 16:54:57 +0800 Message-ID: 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 | 6 +++-- 2 files changed, 29 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/net/mptcp/mptcp_sockopt.c b/tools/test= ing/selftests/net/mptcp/mptcp_sockopt.c index ca1a40492aa4..25074e5b4eaa 100644 --- a/tools/testing/selftests/net/mptcp/mptcp_sockopt.c +++ b/tools/testing/selftests/net/mptcp/mptcp_sockopt.c @@ -262,6 +262,15 @@ 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); @@ -271,6 +280,7 @@ 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, @@ -734,6 +744,19 @@ 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); @@ -758,6 +781,8 @@ 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 3756b537e2a6..2016adde1553 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh @@ -273,7 +273,8 @@ do_mptcp_sockopt_tests() "SO_REUSEADDR" "SO_REUSEPORT" \ "SO_BINDTODEVICE" "SO_BINDTOIFINDEX" \ "IP_FREEBIND" "IP_TRANSPARENT" \ - "IP_BIND_ADDRESS_NO_PORT"; do + "IP_BIND_ADDRESS_NO_PORT" \ + "IP_LOCAL_PORT_RANGE"; do print_title "$opt sockopt v4" mptcp_lib_pr_ok mptcp_lib_result_pass "$opt sockopt v4" @@ -294,7 +295,8 @@ do_mptcp_sockopt_tests() "SO_REUSEADDR" "SO_REUSEPORT" \ "SO_BINDTODEVICE" "SO_BINDTOIFINDEX" \ "IPV6_FREEBIND" "IPV6_TRANSPARENT" \ - "IP_BIND_ADDRESS_NO_PORT"; do + "IP_BIND_ADDRESS_NO_PORT" \ + "IP_LOCAL_PORT_RANGE"; do print_title "$opt sockopt v6" mptcp_lib_pr_ok mptcp_lib_result_pass "$opt sockopt v6" --=20 2.48.1