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[2604:1380:1000:8100::1]) by mx.google.com with ESMTPS id f5-20020a056a00238500b004fa3a8dff4fsi2765358pfc.6.2022.04.08.18.38.46 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Fri, 08 Apr 2022 18:38:46 -0700 (PDT) Received-SPF: pass (google.com: domain of mptcp+bounces-4702-wpasupplicant.patchew=gmail.com@lists.linux.dev designates 2604:1380:1000:8100::1 as permitted sender) client-ip=2604:1380:1000:8100::1; Authentication-Results: mx.google.com; dkim=pass header.i=@intel.com header.s=Intel header.b=ZrSMNkEz; spf=pass (google.com: domain of mptcp+bounces-4702-wpasupplicant.patchew=gmail.com@lists.linux.dev designates 2604:1380:1000:8100::1 as permitted sender) smtp.mailfrom="mptcp+bounces-4702-wpasupplicant.patchew=gmail.com@lists.linux.dev"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sjc.edge.kernel.org (Postfix) with ESMTPS id C4D983E0F48 for ; Sat, 9 Apr 2022 01:38:45 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 8F42F654; Sat, 9 Apr 2022 01:38:43 +0000 (UTC) X-Original-To: mptcp@lists.linux.dev Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) (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 296D1622 for ; Sat, 9 Apr 2022 01:38:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1649468322; x=1681004322; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=UhUPMksKwrGyZiZFoGBkKb8Lil20ZzQprtFN2H/4J28=; b=ZrSMNkEzbRzFz8q0YnYd1a4rxGdB7BViF3YnCI6CeL6uIHsZ8apOKdbh /huCuODtaPnrfA3gKZ3N0kObRUbJTMJovsaVW02cryzpx0qT4qhy3mEUv w2rtD6joLbP+9KUaWaqTAEtYU1UDP/UsyBaXdCOFCub62HwnLbsRcgrn5 la8c6XZvEPerCWRgz9BRslRJTER3e2lbsCERqDTi8R7sSCp6cRUpvXciD tsEGPn7I/O2U7GUrR5uRiRTxmOo73CUzmYbYNMaoZBX9bljt3RiIMvgu3 +vKpzctez8BF2XK+Bb/JDJTDsNV2EyOU6Pna7Z/KQfhnq0r6Qw+CCVAx0 Q==; X-IronPort-AV: E=McAfee;i="6400,9594,10311"; a="261921149" X-IronPort-AV: E=Sophos;i="5.90,246,1643702400"; d="scan'208";a="261921149" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Apr 2022 18:38:30 -0700 X-IronPort-AV: E=Sophos;i="5.90,246,1643702400"; d="scan'208";a="698436085" Received: from otc-tsn-4.jf.intel.com ([10.23.153.135]) by fmsmga001-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Apr 2022 18:38:30 -0700 From: Kishen Maloor To: kishen.maloor@intel.com, mptcp@lists.linux.dev Subject: [PATCH mptcp-next v9 06/14] selftests: mptcp: support MPTCP_PM_CMD_ANNOUNCE Date: Fri, 8 Apr 2022 21:38:17 -0400 Message-Id: <20220409013825.1877395-7-kishen.maloor@intel.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20220409013825.1877395-1-kishen.maloor@intel.com> References: <20220409013825.1877395-1-kishen.maloor@intel.com> 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" This change updates the "pm_nl_ctl" testing sample with an "ann" (announce) option to support the newly added netlink interface command MPTCP_PM_CMD_ANNOUNCE to issue ADD_ADDR advertisements over the chosen MPTCP connection. E.g. ./pm_nl_ctl ann 192.168.122.75 token 823274047 id 25 dev enp1s0 Signed-off-by: Kishen Maloor --- tools/testing/selftests/net/mptcp/pm_nl_ctl.c | 131 ++++++++++++++++++ 1 file changed, 131 insertions(+) diff --git a/tools/testing/selftests/net/mptcp/pm_nl_ctl.c b/tools/testing/= selftests/net/mptcp/pm_nl_ctl.c index a75a68ad652e..0ef35c3f6419 100644 --- a/tools/testing/selftests/net/mptcp/pm_nl_ctl.c +++ b/tools/testing/selftests/net/mptcp/pm_nl_ctl.c @@ -6,6 +6,7 @@ #include #include #include +#include =20 #include #include @@ -26,6 +27,7 @@ static void syntax(char *argv[]) { fprintf(stderr, "%s add|get|set|del|flush|dump|accept []\n", argv[0= ]); fprintf(stderr, "\tadd [flags signal|subflow|backup|fullmesh] [id ] [= dev ] \n"); + fprintf(stderr, "\tann id token [port ] [dev ]\n"); fprintf(stderr, "\tdel []\n"); fprintf(stderr, "\tget \n"); fprintf(stderr, "\tset [] [id ] flags [no]backup|[no]fullmesh [po= rt ]\n"); @@ -170,6 +172,133 @@ static int resolve_mptcp_pm_netlink(int fd) return genl_parse_getfamily((void *)data); } =20 +int announce_addr(int fd, int pm_family, int argc, char *argv[]) +{ + char data[NLMSG_ALIGN(sizeof(struct nlmsghdr)) + + NLMSG_ALIGN(sizeof(struct genlmsghdr)) + + 1024]; + u_int32_t flags =3D MPTCP_PM_ADDR_FLAG_SIGNAL; + u_int32_t token =3D UINT_MAX; + struct rtattr *rta, *addr; + u_int32_t id =3D UINT_MAX; + struct nlmsghdr *nh; + u_int16_t family; + int addr_start; + int off =3D 0; + int arg; + + memset(data, 0, sizeof(data)); + nh =3D (void *)data; + off =3D init_genl_req(data, pm_family, MPTCP_PM_CMD_ANNOUNCE, + MPTCP_PM_VER); + + if (argc < 7) + syntax(argv); + + /* local-ip header */ + addr_start =3D off; + addr =3D (void *)(data + off); + addr->rta_type =3D NLA_F_NESTED | MPTCP_PM_ATTR_ADDR; + addr->rta_len =3D RTA_LENGTH(0); + off +=3D NLMSG_ALIGN(addr->rta_len); + + /* local-ip data */ + /* record addr type */ + rta =3D (void *)(data + off); + if (inet_pton(AF_INET, argv[2], RTA_DATA(rta))) { + family =3D AF_INET; + rta->rta_type =3D MPTCP_PM_ADDR_ATTR_ADDR4; + rta->rta_len =3D RTA_LENGTH(4); + } else if (inet_pton(AF_INET6, argv[2], RTA_DATA(rta))) { + family =3D AF_INET6; + rta->rta_type =3D MPTCP_PM_ADDR_ATTR_ADDR6; + rta->rta_len =3D RTA_LENGTH(16); + } else + error(1, errno, "can't parse ip %s", argv[2]); + off +=3D NLMSG_ALIGN(rta->rta_len); + + /* addr family */ + rta =3D (void *)(data + off); + rta->rta_type =3D MPTCP_PM_ADDR_ATTR_FAMILY; + rta->rta_len =3D RTA_LENGTH(2); + memcpy(RTA_DATA(rta), &family, 2); + off +=3D NLMSG_ALIGN(rta->rta_len); + + for (arg =3D 3; arg < argc; arg++) { + if (!strcmp(argv[arg], "id")) { + /* local-id */ + if (++arg >=3D argc) + error(1, 0, " missing id value"); + + id =3D atoi(argv[arg]); + rta =3D (void *)(data + off); + rta->rta_type =3D MPTCP_PM_ADDR_ATTR_ID; + rta->rta_len =3D RTA_LENGTH(1); + memcpy(RTA_DATA(rta), &id, 1); + off +=3D NLMSG_ALIGN(rta->rta_len); + } else if (!strcmp(argv[arg], "dev")) { + /* for the if_index */ + int32_t ifindex; + + if (++arg >=3D argc) + error(1, 0, " missing dev name"); + + ifindex =3D if_nametoindex(argv[arg]); + if (!ifindex) + error(1, errno, "unknown device %s", argv[arg]); + + rta =3D (void *)(data + off); + rta->rta_type =3D MPTCP_PM_ADDR_ATTR_IF_IDX; + rta->rta_len =3D RTA_LENGTH(4); + memcpy(RTA_DATA(rta), &ifindex, 4); + off +=3D NLMSG_ALIGN(rta->rta_len); + } else if (!strcmp(argv[arg], "port")) { + /* local-port (optional) */ + u_int16_t port; + + if (++arg >=3D argc) + error(1, 0, " missing port value"); + + port =3D atoi(argv[arg]); + rta =3D (void *)(data + off); + rta->rta_type =3D MPTCP_PM_ADDR_ATTR_PORT; + rta->rta_len =3D RTA_LENGTH(2); + memcpy(RTA_DATA(rta), &port, 2); + off +=3D NLMSG_ALIGN(rta->rta_len); + } else if (!strcmp(argv[arg], "token")) { + /* MPTCP connection token */ + if (++arg >=3D argc) + error(1, 0, " missing token value"); + + token =3D atoi(argv[arg]); + } else + error(1, 0, "unknown keyword %s", argv[arg]); + } + + /* addr flags */ + rta =3D (void *)(data + off); + rta->rta_type =3D MPTCP_PM_ADDR_ATTR_FLAGS; + rta->rta_len =3D RTA_LENGTH(4); + memcpy(RTA_DATA(rta), &flags, 4); + off +=3D NLMSG_ALIGN(rta->rta_len); + + addr->rta_len =3D off - addr_start; + + if (id =3D=3D UINT_MAX || token =3D=3D UINT_MAX) + error(1, 0, " missing mandatory inputs"); + + /* token */ + rta =3D (void *)(data + off); + rta->rta_type =3D MPTCP_PM_ATTR_TOKEN; + rta->rta_len =3D RTA_LENGTH(4); + memcpy(RTA_DATA(rta), &token, 4); + off +=3D NLMSG_ALIGN(rta->rta_len); + + do_nl_req(fd, nh, off, 0); + + return 0; +} + int add_addr(int fd, int pm_family, int argc, char *argv[]) { char data[NLMSG_ALIGN(sizeof(struct nlmsghdr)) + @@ -786,6 +915,8 @@ int main(int argc, char *argv[]) =20 if (!strcmp(argv[1], "add")) return add_addr(fd, pm_family, argc, argv); + else if (!strcmp(argv[1], "ann")) + return announce_addr(fd, pm_family, argc, argv); else if (!strcmp(argv[1], "del")) return del_addr(fd, pm_family, argc, argv); else if (!strcmp(argv[1], "flush")) --=20 2.31.1