From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 038B6C55194 for ; Sun, 26 Apr 2020 13:24:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D231B206DD for ; Sun, 26 Apr 2020 13:24:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=microchip.com header.i=@microchip.com header.b="ioF489zM" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726373AbgDZNYS (ORCPT ); Sun, 26 Apr 2020 09:24:18 -0400 Received: from esa3.microchip.iphmx.com ([68.232.153.233]:33778 "EHLO esa3.microchip.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726337AbgDZNYO (ORCPT ); Sun, 26 Apr 2020 09:24:14 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1587907454; x=1619443454; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version; bh=k9KaHh1wytDLB+WV3B+kEFHBoC4RQFglGkDtd8z1bsE=; b=ioF489zMgabxii8daW5KkIV/elR/MQiDIGMdtfWuCwjBs8EJPIWsCOZV j2xErebWTIIKbC75r9GL/Qi8vbm7ORdAKrYaUtlty6j4IX6fgWsRlnCld Ts8OY5eikR0W1kjJ0kyxilBhM7N5GKitsmqurZahGT3RNmWVjxR177K90 JtY/4PKuIqn2d/TSex/xWgiCLf8eiXG/xP/kyqtFSWQczQV5TVm04ZLBa 45KH23YOlMcGGl7lyXiNaNUzOXt85HlpZhL/PnMXUEOXa/6ia4GcyFVfe 3xD5R6JSNJQQSLPa9YRZ9FF2y2a6Ryg2WAXRTbQDqAQ6kpprwt0jcEec3 A==; IronPort-SDR: kl1YalHscL1Q1F1rZFZ1utRb9e889iWAoQY8vGhxZQemTPYmW/BQM7L0YZOzQF7jMHaR2di1ol ZptYoMRnUjAFX7pVco8JlLUgVaLUgAMCoLagZ61M4r6TCozhSCM3oAetKQ2ygr+JokUMI3uLJD CrWqpF3eugNctwnj5CzXNg2QVlvXw12sR765SREDPRKbGaPEfC09iApJp3zQdPZVpQPacuETKG l/aLmtGSY/vccwYxQccgOm03p9r4sKzptAh+8BQrsud7KMCj1cmOFv9vQYy3rt5wHOZ5Wr9//V Xek= X-IronPort-AV: E=Sophos;i="5.73,320,1583218800"; d="scan'208";a="74586843" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa3.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 26 Apr 2020 06:24:13 -0700 Received: from chn-vm-ex03.mchp-main.com (10.10.85.151) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1713.5; Sun, 26 Apr 2020 06:24:13 -0700 Received: from soft-dev3.microsemi.net (10.10.115.15) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server id 15.1.1713.5 via Frontend Transport; Sun, 26 Apr 2020 06:24:10 -0700 From: Horatiu Vultur To: , , , , , , , , , , , CC: Horatiu Vultur Subject: [PATCH net-next v4 09/11] bridge: mrp: Implement netlink interface to configure MRP Date: Sun, 26 Apr 2020 15:22:06 +0200 Message-ID: <20200426132208.3232-10-horatiu.vultur@microchip.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200426132208.3232-1-horatiu.vultur@microchip.com> References: <20200426132208.3232-1-horatiu.vultur@microchip.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Implement netlink interface to configure MRP. The implementation will do sanity checks over the attributes and then eventually call the MRP interface. Signed-off-by: Horatiu Vultur --- net/bridge/br_mrp_netlink.c | 91 +++++++++++++++++++++++++++++++++++++ 1 file changed, 91 insertions(+) diff --git a/net/bridge/br_mrp_netlink.c b/net/bridge/br_mrp_netlink.c index b982db14bbf4..503896638be0 100644 --- a/net/bridge/br_mrp_netlink.c +++ b/net/bridge/br_mrp_netlink.c @@ -6,6 +6,97 @@ #include "br_private.h" #include "br_private_mrp.h" +static const struct nla_policy br_mrp_policy[IFLA_BRIDGE_MRP_MAX + 1] = { + [IFLA_BRIDGE_MRP_UNSPEC] = { .type = NLA_REJECT }, + [IFLA_BRIDGE_MRP_INSTANCE] = { .type = NLA_EXACT_LEN, + .len = sizeof(struct br_mrp_instance)}, + [IFLA_BRIDGE_MRP_PORT_STATE] = { .type = NLA_U32 }, + [IFLA_BRIDGE_MRP_PORT_ROLE] = { .type = NLA_EXACT_LEN, + .len = sizeof(struct br_mrp_port_role)}, + [IFLA_BRIDGE_MRP_RING_STATE] = { .type = NLA_EXACT_LEN, + .len = sizeof(struct br_mrp_ring_state)}, + [IFLA_BRIDGE_MRP_RING_ROLE] = { .type = NLA_EXACT_LEN, + .len = sizeof(struct br_mrp_ring_role)}, + [IFLA_BRIDGE_MRP_START_TEST] = { .type = NLA_EXACT_LEN, + .len = sizeof(struct br_mrp_start_test)}, +}; + +int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, + struct nlattr *attr, int cmd, struct netlink_ext_ack *extack) +{ + struct nlattr *tb[IFLA_BRIDGE_MRP_MAX + 1]; + int err; + + if (br->stp_enabled != BR_NO_STP) { + NL_SET_ERR_MSG_MOD(extack, "MRP can't be enabled if STP is already enabled\n"); + return -EINVAL; + } + + err = nla_parse_nested(tb, IFLA_BRIDGE_MRP_MAX, attr, + br_mrp_policy, extack); + if (err) + return err; + + if (tb[IFLA_BRIDGE_MRP_INSTANCE]) { + struct br_mrp_instance *instance = + nla_data(tb[IFLA_BRIDGE_MRP_INSTANCE]); + + if (cmd == RTM_SETLINK) + err = br_mrp_add(br, instance); + else + err = br_mrp_del(br, instance); + if (err) + return err; + } + + if (tb[IFLA_BRIDGE_MRP_PORT_STATE]) { + enum br_mrp_port_state_type state = + nla_get_u32(tb[IFLA_BRIDGE_MRP_PORT_STATE]); + + err = br_mrp_set_port_state(p, state); + if (err) + return err; + } + + if (tb[IFLA_BRIDGE_MRP_PORT_ROLE]) { + struct br_mrp_port_role *role = + nla_data(tb[IFLA_BRIDGE_MRP_PORT_ROLE]); + + err = br_mrp_set_port_role(p, role); + if (err) + return err; + } + + if (tb[IFLA_BRIDGE_MRP_RING_STATE]) { + struct br_mrp_ring_state *state = + nla_data(tb[IFLA_BRIDGE_MRP_RING_STATE]); + + err = br_mrp_set_ring_state(br, state); + if (err) + return err; + } + + if (tb[IFLA_BRIDGE_MRP_RING_ROLE]) { + struct br_mrp_ring_role *role = + nla_data(tb[IFLA_BRIDGE_MRP_RING_ROLE]); + + err = br_mrp_set_ring_role(br, role); + if (err) + return err; + } + + if (tb[IFLA_BRIDGE_MRP_START_TEST]) { + struct br_mrp_start_test *test = + nla_data(tb[IFLA_BRIDGE_MRP_START_TEST]); + + err = br_mrp_start_test(br, test); + if (err) + return err; + } + + return 0; +} + int br_mrp_port_open(struct net_device *dev, u8 loc) { struct net_bridge_port *p; -- 2.17.1