From nobody Wed Sep 17 19:40:14 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 ; Thu, 21 Aug 2025 08:55:48 +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=1755766548; cv=none; b=M4JGwmVxqS+oCXeQXmOjiPkhfouEhpGJeYoowa2G8tys78z3sbnV+sb8bgmi6T1txAZJHSF5suI7MCXhmvfsJ1mc2vl+IHT3mE7oCkNt7sNexMj6MKvZBDmGbj4b4dj7g6aBH3XYxT2J6hq1XoNZw4usMWYbJkKbIp2t1+ENt4g= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755766548; c=relaxed/simple; bh=le7E3LikDkv1/yn+0MiLtMAEjcuSGI0HpKqNetOm+z0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=GCRgzSiyGhNTPad5VWgBkoMaIodYrliVDC38Qb0Bp+kw/bv8BynbiNmP5JgPOW+IyFI2fP/Anyf2uMMfHofO2WFhfDYO6ysHTw9vsYsaqo06s+ITU9JUQvGWtTpN6uUpxrgoa1D8pKEw8LtgErKrM0I6qf5aWbENc3E3RI1LzxI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=XsqlYSAT; 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="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