From nobody Wed Sep 17 18:05:39 2025 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 945E02ECEA6 for ; Thu, 21 Aug 2025 08:55:23 +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=1755766523; cv=none; b=okThYB1Xu40xpOu0ke39EYf53gkVg1Snbu4NmPcIqAoykkSsTVzqRMVz4nvgsTzDRfDUZ9bZKNrd7EtPfDWCHXfcBSyZ8z8UT3x0lZp7g4Bm7DOqNUdikjlHxz7A9p+NXLLYS6jW7//PEPhxPAREEoavoWkkNgsRJCTe/fOYwm8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755766523; c=relaxed/simple; bh=Z8jSlQtSF3UI+BXdWwQiScWUhlOTAQGv9C3mqc+r6rk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=GJnUcx3IvL0EMerhiM9zN9pSTVYQb9U0yLImEd2Eh1mn2FZvkyKVgx5S3pxS30kkV8Tb7kyl5piDFx9NIAykrKej9Zd0v2jM45mGLsd9xKBuk7URQlFSG+WWhZtkAmEG1fA2EO5/kcYNrFdadlifIKqNpl/qefpxLIs4dINhzu0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ZqtFY5Z1; 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="ZqtFY5Z1" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A773BC4CEEB; Thu, 21 Aug 2025 08:55:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1755766523; bh=Z8jSlQtSF3UI+BXdWwQiScWUhlOTAQGv9C3mqc+r6rk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZqtFY5Z1o8qJ12CaD8JqPD1dZYtnrrcVQ9HuPNq5Od/QZpEYCFgpHBU78XGImVl4a UdseEtntCFbBmd3EfyVPPvVRZOcm2HhQbUhvF+WLsG/mnNbItjXfxTw5LozcC5+IQF aM8VDTCXgcd1PMyGlSt5npdQa08cCWjKv+i1HDeGbN0rDI3sGg/pmkR3pwUTDtNALJ xvDzFiN9/6A2ndbH7jf/9azKLv7QVlRg2HHOWqbEWbnexEjxIBIxU0ge4aNBymEJu5 tsfBRroOjQuRNm+amZJUtH8ywQ9lDhCyDg+4vFCuLQ4cYPi1u6px+EyyjyPrOfP4U/ jDyxMnLhwD+fw== From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [PATCH mptcp-next v2 01/10] selftests: mptcp: sockopt: improve test output clarity Date: Thu, 21 Aug 2025 16:54:49 +0800 Message-ID: <752c2facc23b63b8a621c0285294948594655b0b.1755680616.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 Refine test output to print detailed titles for SOL_MPTCP socket option tests in both IPv4 and IPv6 contexts. This enhances readability and distinctly separates v4/v6 results. The output now explicitly labels each test phase and result, making failures easier to identify. Signed-off-by: Geliang Tang --- .../selftests/net/mptcp/mptcp_sockopt.sh | 27 +++++++++++++------ 1 file changed, 19 insertions(+), 8 deletions(-) diff --git a/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh b/tools/tes= ting/selftests/net/mptcp/mptcp_sockopt.sh index 418a903c3a4d..003d218defa8 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh @@ -261,28 +261,37 @@ do_mptcp_sockopt_tests() ip netns exec "$ns_sbox" ./mptcp_sockopt lret=3D$? =20 - print_title "SOL_MPTCP sockopt v4" + mptcp_lib_print_info "sockopt v4" if [ $lret -ne 0 ]; then - mptcp_lib_pr_fail + mptcp_lib_pr_fail "sockopt v4" mptcp_lib_result_fail "sockopt v4" ret=3D$lret return fi - mptcp_lib_pr_ok - mptcp_lib_result_pass "sockopt v4" + + for opt in "SOL_MPTCP"; do + print_title "$opt sockopt v4" + mptcp_lib_pr_ok + mptcp_lib_result_pass "$opt sockopt v4" + done =20 ip netns exec "$ns_sbox" ./mptcp_sockopt -6 lret=3D$? =20 - print_title "SOL_MPTCP sockopt v6" + mptcp_lib_print_info "sockopt v6" if [ $lret -ne 0 ]; then - mptcp_lib_pr_fail + mptcp_lib_pr_fail "sockopt v6" mptcp_lib_result_fail "sockopt v6" ret=3D$lret return fi - mptcp_lib_pr_ok - mptcp_lib_result_pass "sockopt v6" + + for opt in "SOL_MPTCP"; do + print_title "$opt sockopt v6" + mptcp_lib_pr_ok + mptcp_lib_result_pass "$opt sockopt v6" + done + } =20 run_tests() @@ -329,6 +338,8 @@ do_tcpinq_tests() return fi =20 + mptcp_lib_print_info "sockopt TCP_INQ" + local args for args in "-t tcp" "-r tcp"; do do_tcpinq_test $args --=20 2.48.1 From nobody Wed Sep 17 18:05:39 2025 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 ED6782ED17C for ; Thu, 21 Aug 2025 08:55:30 +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=1755766531; cv=none; b=I7cq6t2rSP+a9YM+waX+fbKtNW1a7hEsuK915BOgT1gz0e4tCvoE6VXddTOJZU5Lygk7aFQlyD1xU2eJFhv6dO3ZKMGgEV+sishikaJg9y572eJ4Jpnq9YlTFhSn5KwHYOOVp0ikiTArJTL6Wv/LsfklJGh1nMEX8EImPRWte7U= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755766531; c=relaxed/simple; bh=ipTPMZuKt9O324s81iqFYGTz5QlNc+MLs5UFitAYdXs=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=rrVC6sdJdlKAvTZQHTLCGiA0hAgWJafBPCrJK8lxU3HPLzCgWKo88Ly3NtSCsm2MjnzWmYpKAUCVO4vokGfpaverK7VYfpeAWNits7mU5U8CMAFzD5rd8R95BvyiwuSX7Ne8QOGS4Mb/GJ59HW2+tsHiC4RLv6WLTaD4cUp61JM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=dSpeBLC0; 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="dSpeBLC0" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 35532C113CF; Thu, 21 Aug 2025 08:55:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1755766530; bh=ipTPMZuKt9O324s81iqFYGTz5QlNc+MLs5UFitAYdXs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dSpeBLC0XowQYi8xr+64GRcob7WoKFFTaxZZK0EWq1m8xCckmDZAJhAH0WZBzUm2A UEmpWzZb6CQyM4YI5+FCOv+N8Hh4i6ZfAzTectpqnxLmAXCBDho3gioO1uzJSp6kQZ Qf46LxKH6Bug4Q331o5J8SMPrIFaGjM7SHL+MTd+bctmDh0KHIG1MWk4mPOa9Ef6C9 v04gy2/JQbaKlrw0pmC++b7VMIHQCaYvQcudOlq8Brbf8fst6hm/cVRty7DJaDR21v Mt536JN3iAK2424+u0lXY3UuDs6Hyac9vjWPo3VoLIZBAS4IHFCectfa+eKDpKlADz Z0MLsmQfhonfw== From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [PATCH mptcp-next v2 02/10] selftests: mptcp: sockopt: add SO_REUSEADDR test helper Date: Thu, 21 Aug 2025 16:54:50 +0800 Message-ID: <47bcf897131d391459f1eef92c43194154da15c9.1755680616.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 Introduce helper functions to set and verify the SO_REUSEADDR socket option. This includes: - do_setsockopt_reuseaddr() to set the option - do_getsockopt_reuseaddr() to validate the value - Integration into IPv4/IPv6 test flows - Explicit result reporting in the test script Signed-off-by: Geliang Tang --- .../selftests/net/mptcp/mptcp_sockopt.c | 34 ++++++++++++++++--- .../selftests/net/mptcp/mptcp_sockopt.sh | 7 ++-- 2 files changed, 34 insertions(+), 7 deletions(-) diff --git a/tools/testing/selftests/net/mptcp/mptcp_sockopt.c b/tools/test= ing/selftests/net/mptcp/mptcp_sockopt.c index e934dd26a59d..a91709aeca06 100644 --- a/tools/testing/selftests/net/mptcp/mptcp_sockopt.c +++ b/tools/testing/selftests/net/mptcp/mptcp_sockopt.c @@ -182,6 +182,19 @@ static void xgetaddrinfo(const char *node, const char = *service, } } =20 +static void do_setsockopt_reuseaddr(int fd) +{ + int one =3D 1; + + if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one))) + perror("setsockopt(SO_REUSEADDR)"); +} + +static void do_setsockopts(int fd) +{ + do_setsockopt_reuseaddr(fd); +} + static int sock_listen_mptcp(const char * const listenaddr, const char * const port) { @@ -195,7 +208,6 @@ static int sock_listen_mptcp(const char * const listena= ddr, hints.ai_family =3D pf; =20 struct addrinfo *a, *addr; - int one =3D 1; =20 xgetaddrinfo(listenaddr, port, &hints, &addr); hints.ai_family =3D pf; @@ -205,9 +217,7 @@ static int sock_listen_mptcp(const char * const listena= ddr, if (sock < 0) continue; =20 - if (-1 =3D=3D setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &one, - sizeof(one))) - perror("setsockopt"); + do_setsockopts(sock); =20 if (bind(sock, a->ai_addr, a->ai_addrlen) =3D=3D 0) break; /* success */ @@ -246,6 +256,8 @@ static int sock_connect_mptcp(const char * const remote= addr, if (sock < 0) continue; =20 + do_setsockopts(sock); + if (connect(sock, a->ai_addr, a->ai_addrlen) =3D=3D 0) break; /* success */ =20 @@ -554,6 +566,18 @@ static void do_getsockopt_mptcp_full_info(struct so_st= ate *s, int fd) assert(!memcmp(&sfinfo->addrs, &s->addrs, sizeof(struct mptcp_subflow_add= rs))); } =20 +static void do_getsockopt_reuseaddr(int fd) +{ + socklen_t len; + int reuse; + + len =3D sizeof(reuse); + if (getsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &reuse, &len)) + perror("getsockopt(SO_REUSEADDR)"); + + assert(reuse =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); @@ -564,6 +588,8 @@ static void do_getsockopts(struct so_state *s, int fd, = size_t r, size_t w) =20 if (r) do_getsockopt_mptcp_full_info(s, fd); + + do_getsockopt_reuseaddr(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 003d218defa8..da6c261275ec 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh @@ -269,7 +269,8 @@ do_mptcp_sockopt_tests() return fi =20 - for opt in "SOL_MPTCP"; do + for opt in "SOL_MPTCP" \ + "SO_REUSEADDR"; do print_title "$opt sockopt v4" mptcp_lib_pr_ok mptcp_lib_result_pass "$opt sockopt v4" @@ -286,12 +287,12 @@ do_mptcp_sockopt_tests() return fi =20 - for opt in "SOL_MPTCP"; do + for opt in "SOL_MPTCP" \ + "SO_REUSEADDR"; do print_title "$opt sockopt v6" mptcp_lib_pr_ok mptcp_lib_result_pass "$opt sockopt v6" done - } =20 run_tests() --=20 2.48.1 From nobody Wed Sep 17 18:05:39 2025 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 736212ED17C for ; Thu, 21 Aug 2025 08:55:32 +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=1755766532; cv=none; b=QdP718WJyqomIdPSsAMlIQtdp6qhAn6rJ6E2vhKGY0FCYTMsrRoAvPlxezn/8UHMNY3A1COzsnspjA0A6xzbnK9WSaKXu7GQUxBpDtzyDcAfr0WnwkGqDimgZhaNWOkMojPW8GN2BES2Lrib5ddU+Y8/cnGm7Bxr8hqd25s7exs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755766532; c=relaxed/simple; bh=S7Wm5LTpWey4533Hju75/uKS8sfaxxKDlRnQkeNo/OM=; 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charset="utf-8" From: Geliang Tang Implement comprehensive testing for the SO_REUSEPORT socket option: - Setsockopt and getsockopt helpers for SO_REUSEPORT - Verification of the set value - Integration into both client/server workflows - IPv4 and IPv6 test coverage Signed-off-by: Geliang Tang --- .../selftests/net/mptcp/mptcp_sockopt.c | 23 +++++++++++++++++++ .../selftests/net/mptcp/mptcp_sockopt.sh | 4 ++-- 2 files changed, 25 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 a91709aeca06..816d71706f7d 100644 --- a/tools/testing/selftests/net/mptcp/mptcp_sockopt.c +++ b/tools/testing/selftests/net/mptcp/mptcp_sockopt.c @@ -190,9 +190,18 @@ static void do_setsockopt_reuseaddr(int fd) perror("setsockopt(SO_REUSEADDR)"); } =20 +static void do_setsockopt_reuseport(int fd) +{ + int one =3D 1; + + if (setsockopt(fd, SOL_SOCKET, SO_REUSEPORT, &one, sizeof(one))) + perror("setsockopt(SO_REUSEPORT)"); +} + static void do_setsockopts(int fd) { do_setsockopt_reuseaddr(fd); + do_setsockopt_reuseport(fd); } =20 static int sock_listen_mptcp(const char * const listenaddr, @@ -578,6 +587,18 @@ static void do_getsockopt_reuseaddr(int fd) assert(reuse =3D=3D 1); } =20 +static void do_getsockopt_reuseport(int fd) +{ + socklen_t len; + int reuse; + + len =3D sizeof(reuse); + if (getsockopt(fd, SOL_SOCKET, SO_REUSEPORT, &reuse, &len)) + perror("getsockopt(SO_REUSEPORT)"); + + assert(reuse =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); @@ -590,6 +611,8 @@ static void do_getsockopts(struct so_state *s, int fd, = size_t r, size_t w) do_getsockopt_mptcp_full_info(s, fd); =20 do_getsockopt_reuseaddr(fd); + + do_getsockopt_reuseport(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 da6c261275ec..1c357ed757d6 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh @@ -270,7 +270,7 @@ do_mptcp_sockopt_tests() fi =20 for opt in "SOL_MPTCP" \ - "SO_REUSEADDR"; do + "SO_REUSEADDR" "SO_REUSEPORT"; do print_title "$opt sockopt v4" mptcp_lib_pr_ok mptcp_lib_result_pass "$opt sockopt v4" @@ -288,7 +288,7 @@ do_mptcp_sockopt_tests() fi =20 for opt in "SOL_MPTCP" \ - "SO_REUSEADDR"; do + "SO_REUSEADDR" "SO_REUSEPORT"; do print_title "$opt sockopt v6" mptcp_lib_pr_ok mptcp_lib_result_pass "$opt sockopt v6" --=20 2.48.1 From nobody Wed Sep 17 18:05:39 2025 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 E1D782ED16B for ; Thu, 21 Aug 2025 08:55:33 +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=1755766534; cv=none; b=RC9+kL3hmAsOa+zWoN88ACBXeWDHrRDDUYPEHIT/igMeUEK+osIR1ejdjWlsONswWQBNfWxOjRvl3d0z2Y19P/0csjhS8K8ysiZUZYUOHmrJYQ0CTGVMFpN02yYw6B7Y6KEeGY42DHDCPCBXk7KxIsnYkXr8iVRgqyOefIALpng= ARC-Message-Signature: i=1; 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b=qt0LpSPOUaWtU62sjiav9LB96z3b5w4dA35X1lYazurA6G4XBzk8sON2fQT33/IXj MYOBya7V9OkDkM3Pvf/C+y55i2eNO2ngEZSKoMFz6NuMj3cNPoxD35oEAaT3Vh0aVU QqPhto/HTMcaPkjjtHGJ+2pIJtmxXtiHDdeEItdA++Dh7f7n9pnaogIan719PY6z5P u+D4CBRVHOKAYxKoJ1lzG0QCHYbJW5wxceJFZL0Nj4cktBjYR8E1CN6cw4UoqIPk4Q kUR9jK745P3/0/CnmPijoVTV5njiRyfBaXWSc/OLftZfK0jQ8WRYJWKB/KdY6paKRY Al7CXR/zXHqYQ== From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [PATCH mptcp-next v2 04/10] selftests: mptcp: sockopt: add SO_BINDTODEVICE test Date: Thu, 21 Aug 2025 16:54:52 +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 the SO_BINDTODEVICE socket option: - Binds sockets to the loopback device ("lo") - Verifies the binding via getsockopt - Includes IPv4 and IPv6 test cases - Reports results explicitly in the 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 816d71706f7d..df4f85f129f7 100644 --- a/tools/testing/selftests/net/mptcp/mptcp_sockopt.c +++ b/tools/testing/selftests/net/mptcp/mptcp_sockopt.c @@ -23,6 +23,7 @@ =20 #include #include +#include =20 #include =20 @@ -198,10 +199,20 @@ static void do_setsockopt_reuseport(int fd) perror("setsockopt(SO_REUSEPORT)"); } =20 +static void do_setsockopt_bindtodevice(int fd) +{ + const char *interface =3D "lo"; + + if (setsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE, + interface, strlen(interface))) + perror("setsockopt(SO_BINDTODEVICE)"); +} + static void do_setsockopts(int fd) { do_setsockopt_reuseaddr(fd); do_setsockopt_reuseport(fd); + do_setsockopt_bindtodevice(fd); } =20 static int sock_listen_mptcp(const char * const listenaddr, @@ -599,6 +610,18 @@ static void do_getsockopt_reuseport(int fd) assert(reuse =3D=3D 1); } =20 +static void do_getsockopt_bindtodevice(int fd) +{ + char ifname[IFNAMSIZ] =3D { 0 }; + socklen_t len; + + len =3D sizeof(ifname); + if (getsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE, ifname, &len)) + die_perror("getsockopt(SO_BINDTODEVICE)"); + + assert(!memcmp(ifname, "lo", len)); +} + static void do_getsockopts(struct so_state *s, int fd, size_t r, size_t w) { do_getsockopt_mptcp_info(s, fd, w); @@ -613,6 +636,8 @@ static void do_getsockopts(struct so_state *s, int fd, = size_t r, size_t w) do_getsockopt_reuseaddr(fd); =20 do_getsockopt_reuseport(fd); + + do_getsockopt_bindtodevice(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 1c357ed757d6..44342ce6fd16 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh @@ -270,7 +270,8 @@ do_mptcp_sockopt_tests() fi =20 for opt in "SOL_MPTCP" \ - "SO_REUSEADDR" "SO_REUSEPORT"; do + "SO_REUSEADDR" "SO_REUSEPORT" \ + "SO_BINDTODEVICE"; do print_title "$opt sockopt v4" mptcp_lib_pr_ok mptcp_lib_result_pass "$opt sockopt v4" @@ -288,7 +289,8 @@ do_mptcp_sockopt_tests() fi =20 for opt in "SOL_MPTCP" \ - "SO_REUSEADDR" "SO_REUSEPORT"; do + "SO_REUSEADDR" "SO_REUSEPORT" \ + "SO_BINDTODEVICE"; do print_title "$opt sockopt v6" mptcp_lib_pr_ok mptcp_lib_result_pass "$opt sockopt v6" --=20 2.48.1 From nobody Wed Sep 17 18:05:39 2025 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 AB21C2E8B76 for ; 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charset="utf-8" From: Geliang Tang Implement tests for the SO_BINDTOIFINDEX socket option: - Uses ioctl to get the loopback interface index - Sets the option to bind to "lo" - Validates the bound index via getsockopt - Supports both IPv4 and IPv6 Signed-off-by: Geliang Tang --- .../selftests/net/mptcp/mptcp_sockopt.c | 41 +++++++++++++++++++ .../selftests/net/mptcp/mptcp_sockopt.sh | 4 +- 2 files changed, 43 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 df4f85f129f7..25456e540cad 100644 --- a/tools/testing/selftests/net/mptcp/mptcp_sockopt.c +++ b/tools/testing/selftests/net/mptcp/mptcp_sockopt.c @@ -20,6 +20,7 @@ #include #include #include +#include =20 #include #include @@ -208,11 +209,36 @@ static void do_setsockopt_bindtodevice(int fd) perror("setsockopt(SO_BINDTODEVICE)"); } =20 +static int get_ifindex(int fd, const char *ifname) +{ + struct ifreq ifr; + + memset(&ifr, 0, sizeof(ifr)); + strncpy(ifr.ifr_name, ifname, IFNAMSIZ); + + if (ioctl(fd, SIOCGIFINDEX, &ifr) < 0) { + perror("ioctl"); + return -1; + } + + return ifr.ifr_ifindex; +} + +static void do_setsockopt_bindtoifindex(int fd) +{ + int ifindex =3D get_ifindex(fd, "lo"); + + if (setsockopt(fd, SOL_SOCKET, SO_BINDTOIFINDEX, + &ifindex, sizeof(ifindex))) + perror("setsockopt(SO_BINDTOIFINDEX)"); +} + static void do_setsockopts(int fd) { do_setsockopt_reuseaddr(fd); do_setsockopt_reuseport(fd); do_setsockopt_bindtodevice(fd); + do_setsockopt_bindtoifindex(fd); } =20 static int sock_listen_mptcp(const char * const listenaddr, @@ -622,6 +648,19 @@ static void do_getsockopt_bindtodevice(int fd) assert(!memcmp(ifname, "lo", len)); } =20 +static void do_getsockopt_bindtoifindex(int fd) +{ + socklen_t len; + int ifindex; + + len =3D sizeof(ifindex); + if (getsockopt(fd, SOL_SOCKET, SO_BINDTOIFINDEX, + &ifindex, &len)) + die_perror("getsockopt(SO_BINDTOIFINDEX)"); + + assert(ifindex =3D=3D get_ifindex(fd, "lo")); +} + static void do_getsockopts(struct so_state *s, int fd, size_t r, size_t w) { do_getsockopt_mptcp_info(s, fd, w); @@ -638,6 +677,8 @@ static void do_getsockopts(struct so_state *s, int fd, = size_t r, size_t w) do_getsockopt_reuseport(fd); =20 do_getsockopt_bindtodevice(fd); + + do_getsockopt_bindtoifindex(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 44342ce6fd16..7f2effd82af8 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh @@ -271,7 +271,7 @@ do_mptcp_sockopt_tests() =20 for opt in "SOL_MPTCP" \ "SO_REUSEADDR" "SO_REUSEPORT" \ - "SO_BINDTODEVICE"; do + "SO_BINDTODEVICE" "SO_BINDTOIFINDEX"; do print_title "$opt sockopt v4" mptcp_lib_pr_ok mptcp_lib_result_pass "$opt sockopt v4" @@ -290,7 +290,7 @@ do_mptcp_sockopt_tests() =20 for opt in "SOL_MPTCP" \ "SO_REUSEADDR" "SO_REUSEPORT" \ - "SO_BINDTODEVICE"; do + "SO_BINDTODEVICE" "SO_BINDTOIFINDEX"; do print_title "$opt sockopt v6" mptcp_lib_pr_ok mptcp_lib_result_pass "$opt sockopt v6" --=20 2.48.1 From nobody Wed Sep 17 18:05:39 2025 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 00F542E8B76 for ; 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dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="S5/dSZ5G" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E3E37C113CF; Thu, 21 Aug 2025 08:55:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1755766537; bh=jE+rR039P7YNxt3qVOAscCsiI8nZqCfrpxpOQGEr93Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=S5/dSZ5G3H+EsD75I0jGEFg3lKOt1rC7jrDQNGSbVKlUhjzVVBOsEVQdYJdX8CDqU LuHyoJU6RJ7be2PqglpgFGpnCeFk0x28TxHK9BBUlU0ERAbi72CzWNI2+Y5aJk1afY UE6pXtZOzb+y09yIpWmUAq2FYdMMEDBaoXU89E1sOtMjWMPbAheKbGl6s7LqpcAJ56 /ENIJFksgx1xWndxoxjxdSeuPkPpxCORp8my4qj33clUEGsn7NEq2Dyg9sF/Lsxn+u pVZReVX3L4MF8xcrYVPny87KLAqQvi+i8AfML5t3Ut3ITeVwz2n7s6v+AX0GCdGvIi FDVyCXpDRQOPQ== From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [PATCH mptcp-next v2 06/10] selftests: mptcp: sockopt: add IP_FREEBIND tests Date: Thu, 21 Aug 2025 16:54:54 +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_FREEBIND (IPv4) and IPV6_FREEBIND (IPv6): - Setsockopt helpers to enable FREEBIND - Getsockopt validation of the enabled state - Test integration for both address families - Script result reporting Signed-off-by: Geliang Tang --- .../selftests/net/mptcp/mptcp_sockopt.c | 27 +++++++++++++++++++ .../selftests/net/mptcp/mptcp_sockopt.sh | 6 +++-- 2 files changed, 31 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 25456e540cad..e9ef908dc270 100644 --- a/tools/testing/selftests/net/mptcp/mptcp_sockopt.c +++ b/tools/testing/selftests/net/mptcp/mptcp_sockopt.c @@ -233,12 +233,23 @@ static void do_setsockopt_bindtoifindex(int fd) perror("setsockopt(SO_BINDTOIFINDEX)"); } =20 +static void do_setsockopt_freebind(int fd) +{ + int optname =3D (pf =3D=3D AF_INET ? IP_FREEBIND : IPV6_FREEBIND); + int level =3D (pf =3D=3D AF_INET ? SOL_IP : SOL_IPV6); + int enable =3D 1; + + if (setsockopt(fd, level, optname, &enable, sizeof(enable))) + perror("setsockopt(IP(V6)_FREEBIND)"); +} + static void do_setsockopts(int fd) { do_setsockopt_reuseaddr(fd); do_setsockopt_reuseport(fd); do_setsockopt_bindtodevice(fd); do_setsockopt_bindtoifindex(fd); + do_setsockopt_freebind(fd); } =20 static int sock_listen_mptcp(const char * const listenaddr, @@ -661,6 +672,20 @@ static void do_getsockopt_bindtoifindex(int fd) assert(ifindex =3D=3D get_ifindex(fd, "lo")); } =20 +static void do_getsockopt_freebind(int fd) +{ + int optname =3D (pf =3D=3D AF_INET ? IP_FREEBIND : IPV6_FREEBIND); + int level =3D (pf =3D=3D AF_INET ? SOL_IP : SOL_IPV6); + socklen_t len; + int enable; + + len =3D sizeof(enable); + if (getsockopt(fd, level, optname, &enable, &len)) + die_perror("getsockopt(IP(V6)_FREEBIND)"); + + 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); @@ -679,6 +704,8 @@ static void do_getsockopts(struct so_state *s, int fd, = size_t r, size_t w) do_getsockopt_bindtodevice(fd); =20 do_getsockopt_bindtoifindex(fd); + + do_getsockopt_freebind(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 7f2effd82af8..193f4d4dc41a 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh @@ -271,7 +271,8 @@ do_mptcp_sockopt_tests() =20 for opt in "SOL_MPTCP" \ "SO_REUSEADDR" "SO_REUSEPORT" \ - "SO_BINDTODEVICE" "SO_BINDTOIFINDEX"; do + "SO_BINDTODEVICE" "SO_BINDTOIFINDEX" \ + "IP_FREEBIND"; do print_title "$opt sockopt v4" mptcp_lib_pr_ok mptcp_lib_result_pass "$opt sockopt v4" @@ -290,7 +291,8 @@ do_mptcp_sockopt_tests() =20 for opt in "SOL_MPTCP" \ "SO_REUSEADDR" "SO_REUSEPORT" \ - "SO_BINDTODEVICE" "SO_BINDTOIFINDEX"; do + "SO_BINDTODEVICE" "SO_BINDTOIFINDEX" \ + "IPV6_FREEBIND"; do print_title "$opt sockopt v6" mptcp_lib_pr_ok mptcp_lib_result_pass "$opt sockopt v6" --=20 2.48.1 From nobody Wed Sep 17 18:05:39 2025 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 050672ECEBF for ; Thu, 21 Aug 2025 08:55:40 +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=1755766540; cv=none; b=m40eaOGvcEbIzxHou+r4bOxhKHsGC3yBq4Ilg4RWKMvx8iEqjDAZGIBGAGNXe0kwYkYZtCmnigFCLN1PWaoLXeyenTpma/l6iw9/V6UHgu/6RiwGcZ5RuISaxkdKzThB8EL7R7Ei1vGMxahQ88LQ/XQ3IrvYb08nTe+fzSHw3S8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755766540; c=relaxed/simple; bh=BwR/UP5rSl0j5/UjFQYOU1aGipgDYNIxSNSudrCHECk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=mQSyUBPsuPp0g0YwYZ7GKlykbHIsx7lP5HOQ4SSe5nJiGtc5fjZ6/0MbbpGn8OBHlQTEogX8OBEpPB7GnwhU2+JERF24sBDldNNpX5Ca6a6LSYTd6qXjZZNOO+uY/p14rwyaeO16rCXq6jS4g4BAtpjtVNpvQQ/C+Hpp/cUY0QY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=oYWZyo4m; 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="oYWZyo4m" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 20A9CC4CEEB; Thu, 21 Aug 2025 08:55:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1755766539; bh=BwR/UP5rSl0j5/UjFQYOU1aGipgDYNIxSNSudrCHECk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=oYWZyo4mGiRRNneWRs3HD9RYQeMwvcODIEqYWKeVf4QdxOJy2TgDLpce9m8RkIJkH rlM8ukw2bAbuAYU9vjasNK5YDxRKdJ/fMd5ohivklKaUBRY5ECmwxz20jZJCdzs4g9 eNOL1Kjfewso6vQC83uzagFfZJMQ+Ro3gmchS1Gai7JyK+LFGWHSWHepeyBx1bwAGL J2h8OUDcuTsT0EWxouTpKSmwgtUJ7TyQralZLGwk48hAx/HZm0gucBR2MW7jvGV4dy kFA6e1IBHFFHkICkdYs5EZhItN5kvLORNM4SzOEvyozlMDdR9CInjta/0LqdYq9W1M IUex04ztzpIgA== From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [PATCH mptcp-next v2 07/10] selftests: mptcp: sockopt: add IP_TRANSPARENT tests Date: Thu, 21 Aug 2025 16:54:55 +0800 Message-ID: <648279116771957c9bf5ea1a86f04adb92e6488b.1755680616.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 Implement tests for transparent socket options: - IP_TRANSPARENT (IPv4) and IPV6_TRANSPARENT (IPv6) - Setsockopt and getsockopt helpers - State verification after setting - IPv4/IPv6 coverage in test script Signed-off-by: Geliang Tang --- .../selftests/net/mptcp/mptcp_sockopt.c | 27 +++++++++++++++++++ .../selftests/net/mptcp/mptcp_sockopt.sh | 4 +-- 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 e9ef908dc270..ccc072005118 100644 --- a/tools/testing/selftests/net/mptcp/mptcp_sockopt.c +++ b/tools/testing/selftests/net/mptcp/mptcp_sockopt.c @@ -243,6 +243,16 @@ static void do_setsockopt_freebind(int fd) perror("setsockopt(IP(V6)_FREEBIND)"); } =20 +static void do_setsockopt_transparent(int fd) +{ + int optname =3D (pf =3D=3D AF_INET ? IP_TRANSPARENT : IPV6_TRANSPARENT); + int level =3D (pf =3D=3D AF_INET ? SOL_IP : SOL_IPV6); + int enable =3D 1; + + if (setsockopt(fd, level, optname, &enable, sizeof(enable))) + perror("setsockopt(IP(V6)_TRANSPARENT)"); +} + static void do_setsockopts(int fd) { do_setsockopt_reuseaddr(fd); @@ -250,6 +260,7 @@ static void do_setsockopts(int fd) do_setsockopt_bindtodevice(fd); do_setsockopt_bindtoifindex(fd); do_setsockopt_freebind(fd); + do_setsockopt_transparent(fd); } =20 static int sock_listen_mptcp(const char * const listenaddr, @@ -686,6 +697,20 @@ static void do_getsockopt_freebind(int fd) assert(enable =3D=3D 1); } =20 +static void do_getsockopt_transparent(int fd) +{ + int optname =3D (pf =3D=3D AF_INET ? IP_TRANSPARENT : IPV6_TRANSPARENT); + int level =3D (pf =3D=3D AF_INET ? SOL_IP : SOL_IPV6); + socklen_t len; + int enable; + + len =3D sizeof(enable); + if (getsockopt(fd, level, optname, &enable, &len)) + die_perror("getsockopt(IP(V6)_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); @@ -706,6 +731,8 @@ static void do_getsockopts(struct so_state *s, int fd, = size_t r, size_t w) do_getsockopt_bindtoifindex(fd); =20 do_getsockopt_freebind(fd); + + do_getsockopt_transparent(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 193f4d4dc41a..da02769fbb2b 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh @@ -272,7 +272,7 @@ do_mptcp_sockopt_tests() for opt in "SOL_MPTCP" \ "SO_REUSEADDR" "SO_REUSEPORT" \ "SO_BINDTODEVICE" "SO_BINDTOIFINDEX" \ - "IP_FREEBIND"; do + "IP_FREEBIND" "IP_TRANSPARENT"; do print_title "$opt sockopt v4" mptcp_lib_pr_ok mptcp_lib_result_pass "$opt sockopt v4" @@ -292,7 +292,7 @@ do_mptcp_sockopt_tests() for opt in "SOL_MPTCP" \ "SO_REUSEADDR" "SO_REUSEPORT" \ "SO_BINDTODEVICE" "SO_BINDTOIFINDEX" \ - "IPV6_FREEBIND"; do + "IPV6_FREEBIND" "IPV6_TRANSPARENT"; do print_title "$opt sockopt v6" mptcp_lib_pr_ok mptcp_lib_result_pass "$opt sockopt v6" --=20 2.48.1 From nobody Wed Sep 17 18:05:39 2025 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 BE6352ECEA6 for ; Thu, 21 Aug 2025 08:55:42 +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=1755766542; cv=none; b=NKOmEpk68z4K4EziqicGQk2Rqi9XbbZ0c6tvjcvb+KGW9Hgoq+15gbuXeen9qWn/VSg7++HwQ8XsGrQle/0/ldfK7wuHGvUYjAtmYTIfF24IQ7Ig6cCmgbkxMTK1tUDpiiWAO3Nd0oV8TUXo3jz63o4WaWw07zRPtuB8G6k9arg= ARC-Message-Signature: i=1; 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b=pHih+pZDvFdNX6b6MsKpvr1TcVadsSqaG5Jyca9NF1MqRYSYAykGzSyS4U/a5SRQd ljaXKfG5ukUN/2lGJJrOuw81r4TV/AQCEXAIKBv5eplvWvyweAzTbvN4Y2k9qCqT9O Nfghm7oc4v422MS4YUr9x+WVPts1UwPDfGi4ZEJWwdOjv0Sd4qORejCbhS8peDQqNW BZr1gp5BEYkUpWsPqsfNL/noHRaF6zdgkIb6T0NpaJwe5dxCBwK4Pt+l7yFXlr3GLp 1tRmL4GUaq1TMjPrktdCBBuDHqy9VOUO1q0trOf78g59Ha7JQXl5YVdWwPCCXhzXwe 9fxS/gT2VuZgg== From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [PATCH mptcp-next v2 08/10] selftests: mptcp: sockopt: add IP_BIND_ADDRESS_NO_PORT test Date: Thu, 21 Aug 2025 16:54:56 +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 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 | 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 ccc072005118..ca1a40492aa4 100644 --- a/tools/testing/selftests/net/mptcp/mptcp_sockopt.c +++ b/tools/testing/selftests/net/mptcp/mptcp_sockopt.c @@ -253,6 +253,15 @@ static void do_setsockopt_transparent(int fd) perror("setsockopt(IP(V6)_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); @@ -261,6 +270,7 @@ static void do_setsockopts(int fd) do_setsockopt_bindtoifindex(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, @@ -711,6 +721,19 @@ 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); @@ -733,6 +756,8 @@ 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 da02769fbb2b..3756b537e2a6 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh @@ -272,7 +272,8 @@ do_mptcp_sockopt_tests() for opt in "SOL_MPTCP" \ "SO_REUSEADDR" "SO_REUSEPORT" \ "SO_BINDTODEVICE" "SO_BINDTOIFINDEX" \ - "IP_FREEBIND" "IP_TRANSPARENT"; do + "IP_FREEBIND" "IP_TRANSPARENT" \ + "IP_BIND_ADDRESS_NO_PORT"; do print_title "$opt sockopt v4" mptcp_lib_pr_ok mptcp_lib_result_pass "$opt sockopt v4" @@ -292,7 +293,8 @@ do_mptcp_sockopt_tests() for opt in "SOL_MPTCP" \ "SO_REUSEADDR" "SO_REUSEPORT" \ "SO_BINDTODEVICE" "SO_BINDTOIFINDEX" \ - "IPV6_FREEBIND" "IPV6_TRANSPARENT"; do + "IPV6_FREEBIND" "IPV6_TRANSPARENT" \ + "IP_BIND_ADDRESS_NO_PORT"; do print_title "$opt sockopt v6" mptcp_lib_pr_ok mptcp_lib_result_pass "$opt sockopt v6" --=20 2.48.1 From nobody Wed Sep 17 18:05:39 2025 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 657DF2E8B76 for ; Thu, 21 Aug 2025 08:55:46 +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=1755766546; cv=none; b=UOqo63CcnBZA780mNEp9YBIuXXSODVQ2ryiv+t7HIJnP0DQ/nUfkrxXmDkx/VxqxS7aIe6khfplaJQikZj5c/f6SjDy6N+8DP/XCMLRwBflbY7bxoB+dj4zcq6NH02FujAU0gDwzJB4zgQxePP8VgmfHtzj0SR7J11PctiY0vM0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755766546; c=relaxed/simple; bh=vSKyIEbQYvUT9+M/dK7eMKPXnScz8yekPL97TpMiNUY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=QKN2iHSGEIeYPvUHbC3XzRk9nCucRDBGEes6dtTRc76BEo0+vhrm7tb9tqlDQ3OPSBXNz1zq0Z3/C6++d4PuwwoIHM+/dhbMsPUaHsj/gCz5uOQs4su8CrhzAD+bRrfX0M031ymGHJ/QQQqGrtkSV817I3tkJ4EgtKwVVsBjEdc= ARC-Authentication-Results: i=1; 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 From nobody Wed Sep 17 18:05:39 2025 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 C200C2ED147 for ; 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dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="XsqlYSAT" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 05506C113CF; Thu, 21 Aug 2025 08:55:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1755766548; bh=le7E3LikDkv1/yn+0MiLtMAEjcuSGI0HpKqNetOm+z0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=XsqlYSATATHBBWkuaNPgU+kXWgm3We+uFgiIpTBa6kebMAsBI9si/yJS+McQT6/PS 1quayQwISxYunwWxVoqY+VCckng46rxeunLbmBDFqVAVYffLtCNyxmk66v/sit/34j rWTofYEbGb9Yw4K/KbHOzdb5wlgG+bkfjzUU4tnx3MhhSFjcJzwYdEgAUZjrsH5mIz Wt3h2b28bPP1gxoP5hYu8ACI9uGm7jDdikR1SIQx0W7eC5g4bmDzVcG0+XHy9nPqsC MeG58NiJvfQzR2uL57gms68+YP4klFU4wHZoPAZBLMsly1sYtDzWXHzYehIOalRpMm QD2W6MIwO+1qA== From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [PATCH mptcp-next v2 10/10] selftests: mptcp: sockopt: add IPV6_V6ONLY test Date: Thu, 21 Aug 2025 16:54:58 +0800 Message-ID: <65c27ad077c8c7306aa0427cb6cf4eb0e9ad2501.1755680616.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 IPv6-specific testing for IPV6_V6ONLY: - Enables the option and verifies its state - Restricted to IPv6 sockets - Reports results in the test script Signed-off-by: Geliang Tang --- .../selftests/net/mptcp/mptcp_sockopt.c | 30 +++++++++++++++++++ .../selftests/net/mptcp/mptcp_sockopt.sh | 3 +- 2 files changed, 32 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/net/mptcp/mptcp_sockopt.c b/tools/test= ing/selftests/net/mptcp/mptcp_sockopt.c index 25074e5b4eaa..9bbe2e56351f 100644 --- a/tools/testing/selftests/net/mptcp/mptcp_sockopt.c +++ b/tools/testing/selftests/net/mptcp/mptcp_sockopt.c @@ -271,6 +271,18 @@ static void do_setsockopt_local_port_range(int fd) perror("setsockopt(IP_LOCAL_PORT_RANGE)"); } =20 +static void do_setsockopt_v6only(int fd) +{ + int v6only =3D 1; + + if (pf !=3D AF_INET6) + return; + + if (setsockopt(fd, SOL_IPV6, IPV6_V6ONLY, &v6only, + sizeof(v6only))) + perror("setsockopt(IPV6_V6ONLY)"); +} + static void do_setsockopts(int fd) { do_setsockopt_reuseaddr(fd); @@ -281,6 +293,7 @@ static void do_setsockopts(int fd) do_setsockopt_transparent(fd); do_setsockopt_bind_address_no_port(fd); do_setsockopt_local_port_range(fd); + do_setsockopt_v6only(fd); } =20 static int sock_listen_mptcp(const char * const listenaddr, @@ -757,6 +770,21 @@ static void do_getsockopt_local_port_range(int fd) assert(port_range =3D=3D (31000 << 16 | 30000)); } =20 +static void do_getsockopt_v6only(int fd) +{ + socklen_t len; + int v6only; + + if (pf !=3D AF_INET6) + return; + + len =3D sizeof(v6only); + if (getsockopt(fd, SOL_IPV6, IPV6_V6ONLY, &v6only, &len)) + die_perror("getsockopt(IPV6_V6ONLY)"); + + assert(v6only =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); @@ -783,6 +811,8 @@ static void do_getsockopts(struct so_state *s, int fd, = size_t r, size_t w) do_getsockopt_bind_address_no_port(fd); =20 do_getsockopt_local_port_range(fd); + + do_getsockopt_v6only(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 2016adde1553..356911077451 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh @@ -296,7 +296,8 @@ do_mptcp_sockopt_tests() "SO_BINDTODEVICE" "SO_BINDTOIFINDEX" \ "IPV6_FREEBIND" "IPV6_TRANSPARENT" \ "IP_BIND_ADDRESS_NO_PORT" \ - "IP_LOCAL_PORT_RANGE"; do + "IP_LOCAL_PORT_RANGE" \ + "IPV6_V6ONLY"; do print_title "$opt sockopt v6" mptcp_lib_pr_ok mptcp_lib_result_pass "$opt sockopt v6" --=20 2.48.1