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=-16.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 00EFFC43464 for ; Fri, 18 Sep 2020 02:42:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C2F38214D8 for ; Fri, 18 Sep 2020 02:42:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600396973; bh=hyfbLpE+MJF+XhVMmG9grOk4tySb8I3OuUyv+6NdWIs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=jI5x6tLGlRjedaugcmG7oqcmKvWEBHSuS2zyj6bqpjgYw/47W+D2IlyGgRcrT9490 hUl2/6YYZf+dr0u5ZmxbOU+96vuWlDm2ISaZFTajbWGiiZC3Pd2Dodbu706JL9lpak T7fg9qPlQc7/mM4awrh66hE0HHI22wxhUyDckw9g= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730065AbgIRCmw (ORCPT ); Thu, 17 Sep 2020 22:42:52 -0400 Received: from mail.kernel.org ([198.145.29.99]:36284 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728558AbgIRCLE (ORCPT ); Thu, 17 Sep 2020 22:11:04 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id C336823788; Fri, 18 Sep 2020 02:11:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600395063; bh=hyfbLpE+MJF+XhVMmG9grOk4tySb8I3OuUyv+6NdWIs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BXif5Gky4qZVK9qINtX3lZnN6XRlSClDHRxcIn0YZPucfPptpsXpo/QIvvwC5hzZU FxWt5tTuDnD37xqZV0fWiNXXBAHpvPY+2hzyVOYDorGETXyt6RQd6uC1+T25MgiIEW G3uiWL2Yc8trdjOWmIRUhoAfXUCkOUv6z9CD1M3Y= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Tonghao Zhang , Pravin B Shelar , Andy Zhou , "David S . Miller" , Sasha Levin , netdev@vger.kernel.org, dev@openvswitch.org Subject: [PATCH AUTOSEL 4.19 149/206] net: openvswitch: use u64 for meter bucket Date: Thu, 17 Sep 2020 22:07:05 -0400 Message-Id: <20200918020802.2065198-149-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200918020802.2065198-1-sashal@kernel.org> References: <20200918020802.2065198-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Tonghao Zhang [ Upstream commit e57358873bb5d6caa882b9684f59140912b37dde ] When setting the meter rate to 4+Gbps, there is an overflow, the meters don't work as expected. Cc: Pravin B Shelar Cc: Andy Zhou Signed-off-by: Tonghao Zhang Acked-by: Pravin B Shelar Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- net/openvswitch/meter.c | 2 +- net/openvswitch/meter.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/net/openvswitch/meter.c b/net/openvswitch/meter.c index c038e021a5916..6f5131d1074b0 100644 --- a/net/openvswitch/meter.c +++ b/net/openvswitch/meter.c @@ -255,7 +255,7 @@ static struct dp_meter *dp_meter_create(struct nlattr **a) * * Start with a full bucket. */ - band->bucket = (band->burst_size + band->rate) * 1000; + band->bucket = (band->burst_size + band->rate) * 1000ULL; band_max_delta_t = band->bucket / band->rate; if (band_max_delta_t > meter->max_delta_t) meter->max_delta_t = band_max_delta_t; diff --git a/net/openvswitch/meter.h b/net/openvswitch/meter.h index 964ace2650f89..970557ed5b5b6 100644 --- a/net/openvswitch/meter.h +++ b/net/openvswitch/meter.h @@ -26,7 +26,7 @@ struct dp_meter_band { u32 type; u32 rate; u32 burst_size; - u32 bucket; /* 1/1000 packets, or in bits */ + u64 bucket; /* 1/1000 packets, or in bits */ struct ovs_flow_stats stats; }; -- 2.25.1