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=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=unavailable 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 A7AB7C636C8 for ; Thu, 15 Jul 2021 19:12:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 84960613E5 for ; Thu, 15 Jul 2021 19:12:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244173AbhGOTO1 (ORCPT ); Thu, 15 Jul 2021 15:14:27 -0400 Received: from mail.kernel.org ([198.145.29.99]:33970 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242296AbhGOS7g (ORCPT ); Thu, 15 Jul 2021 14:59:36 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 3AF8D613E9; Thu, 15 Jul 2021 18:56:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1626375377; bh=6BREJ0k9L9mE1E4tZx8e9Dg/2tIQvEdSjFwZmz7JpRU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jS7JagA5a6DPzzdXtIe0OoCpPnQwyWWm6SIZ4K+i/9dPxVBvydiPEgNSGbVVeSypU R+N/PcmZUy9DVYZNghTTFk2IlPim18US4GrZr6FQblGtj/5fB9dgETzeF7FK1EzJAj CA0vsb82trsqNFmf+KM8x89uHAnNcv02IKQN1+q0= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Horatiu Vultur , "David S. Miller" , Sasha Levin Subject: [PATCH 5.12 060/242] net: bridge: mrp: Update ring transitions. Date: Thu, 15 Jul 2021 20:37:02 +0200 Message-Id: <20210715182603.002669275@linuxfoundation.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210715182551.731989182@linuxfoundation.org> References: <20210715182551.731989182@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Horatiu Vultur [ Upstream commit fcb34635854a5a5814227628867ea914a9805384 ] According to the standard IEC 62439-2, the number of transitions needs to be counted for each transition 'between' ring state open and ring state closed and not from open state to closed state. Therefore fix this for both ring and interconnect ring. Signed-off-by: Horatiu Vultur Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- net/bridge/br_mrp.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/net/bridge/br_mrp.c b/net/bridge/br_mrp.c index 12487f6fe9b4..58254fbfda85 100644 --- a/net/bridge/br_mrp.c +++ b/net/bridge/br_mrp.c @@ -620,8 +620,7 @@ int br_mrp_set_ring_state(struct net_bridge *br, if (!mrp) return -EINVAL; - if (mrp->ring_state == BR_MRP_RING_STATE_CLOSED && - state->ring_state != BR_MRP_RING_STATE_CLOSED) + if (mrp->ring_state != state->ring_state) mrp->ring_transitions++; mrp->ring_state = state->ring_state; @@ -708,8 +707,7 @@ int br_mrp_set_in_state(struct net_bridge *br, struct br_mrp_in_state *state) if (!mrp) return -EINVAL; - if (mrp->in_state == BR_MRP_IN_STATE_CLOSED && - state->in_state != BR_MRP_IN_STATE_CLOSED) + if (mrp->in_state != state->in_state) mrp->in_transitions++; mrp->in_state = state->in_state; -- 2.30.2