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=-3.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED,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 83516C28CF6 for ; Wed, 1 Aug 2018 18:10:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3237420862 for ; Wed, 1 Aug 2018 18:10:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3237420862 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linuxfoundation.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732302AbeHAT4t (ORCPT ); Wed, 1 Aug 2018 15:56:49 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:50242 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2405735AbeHATIg (ORCPT ); Wed, 1 Aug 2018 15:08:36 -0400 Received: from localhost (D57E6652.static.ziggozakelijk.nl [213.126.102.82]) by mail.linuxfoundation.org (Postfix) with ESMTPSA id CAF291156; Wed, 1 Aug 2018 17:05:45 +0000 (UTC) From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Ido Schimmel , David Ahern , "David S. Miller" , Sasha Levin Subject: [PATCH 4.17 233/336] mlxsw: spectrum_router: Return an error for non-default FIB rules Date: Wed, 1 Aug 2018 18:49:28 +0200 Message-Id: <20180801165037.986283131@linuxfoundation.org> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20180801165028.930831994@linuxfoundation.org> References: <20180801165028.930831994@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.17-stable review patch. If anyone has any objections, please let me know. ------------------ From: Ido Schimmel [ Upstream commit 6290182b2b3bda119ecb243fb3d6bcc98a74344f ] Since commit 9776d32537d2 ("net: Move call_fib_rule_notifiers up in fib_nl_newrule") it is possible to forbid the installation of unsupported FIB rules. Have mlxsw return an error for non-default FIB rules in addition to the existing extack message. Example: # ip rule add from 198.51.100.1 table 10 Error: mlxsw_spectrum: FIB rules not supported. Note that offload is only aborted when non-default FIB rules are already installed and merely replayed during module initialization. Signed-off-by: Ido Schimmel Acked-by: David Ahern Signed-off-by: David S. Miller Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c @@ -5882,24 +5882,24 @@ static int mlxsw_sp_router_fib_rule_even switch (info->family) { case AF_INET: if (!fib4_rule_default(rule) && !rule->l3mdev) - err = -1; + err = -EOPNOTSUPP; break; case AF_INET6: if (!fib6_rule_default(rule) && !rule->l3mdev) - err = -1; + err = -EOPNOTSUPP; break; case RTNL_FAMILY_IPMR: if (!ipmr_rule_default(rule) && !rule->l3mdev) - err = -1; + err = -EOPNOTSUPP; break; case RTNL_FAMILY_IP6MR: if (!ip6mr_rule_default(rule) && !rule->l3mdev) - err = -1; + err = -EOPNOTSUPP; break; } if (err < 0) - NL_SET_ERR_MSG_MOD(extack, "FIB rules not supported. Aborting offload"); + NL_SET_ERR_MSG_MOD(extack, "FIB rules not supported"); return err; } @@ -5926,8 +5926,8 @@ static int mlxsw_sp_router_fib_event(str case FIB_EVENT_RULE_DEL: err = mlxsw_sp_router_fib_rule_event(event, info, router->mlxsw_sp); - if (!err) - return NOTIFY_DONE; + if (!err || info->extack) + return notifier_from_errno(err); } fib_work = kzalloc(sizeof(*fib_work), GFP_ATOMIC);