From patchwork Wed Mar 10 19:03:38 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Saeed Mahameed X-Patchwork-Id: 397199 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=-19.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, 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 0F1FFC28E86 for ; Wed, 10 Mar 2021 19:04:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E736B64FAE for ; Wed, 10 Mar 2021 19:04:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233920AbhCJTEc (ORCPT ); Wed, 10 Mar 2021 14:04:32 -0500 Received: from mail.kernel.org ([198.145.29.99]:44394 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233759AbhCJTEB (ORCPT ); Wed, 10 Mar 2021 14:04:01 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 9289964FD2; Wed, 10 Mar 2021 19:04:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1615403041; bh=KXMqkv/A3Hb66bVwb+TH6QbXSw6iCvrTNVbCOy5u81U=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Sevqrd7YIo35UDxY1BLkZetXSw5XThekIzSdsdirkv2LoQzSSW727uvgIP5Xznt8N Fer3a1v3LOtSRxOtJT19IHtPHUTTpD+YeBhrAFXG0QKx81MPQwQFplF+7k+EKF+JHI a9nFAsOriuMHhkhshQueqwSkFRBc51Xbm5PkmsIGVBjDdqYDVzxE11jaTH6syqmcej rYW2YNqQ/tPJRJy0Q2A5Ki+1PBNiJKHiExS9+lZoYUjFa89PQhVptVBSWK2FWkILS3 a76gi8uu6tac+8MMNMPIh/FbED86PlNcBeehxIHiYZsUF9D3i+VCrgH/oYEAfD4r59 f6KVHgeEQ9TFQ== From: Saeed Mahameed To: "David S. Miller" , Jakub Kicinski Cc: netdev@vger.kernel.org, linux-rdma@vger.kernel.org, Parav Pandit , Maor Dickman , Saeed Mahameed Subject: [net 14/18] net/mlx5e: E-switch, Fix rate calculation division Date: Wed, 10 Mar 2021 11:03:38 -0800 Message-Id: <20210310190342.238957-15-saeed@kernel.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210310190342.238957-1-saeed@kernel.org> References: <20210310190342.238957-1-saeed@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Parav Pandit do_div() returns reminder, while cited patch wanted to use quotient. Fix it by using quotient. Fixes: 0e22bfb7c046 ("net/mlx5e: E-switch, Fix rate calculation for overflow") Signed-off-by: Parav Pandit Signed-off-by: Maor Dickman Signed-off-by: Saeed Mahameed --- drivers/net/ethernet/mellanox/mlx5/core/en_tc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index 0da69b98f38f..0cacf46dc950 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -4445,7 +4445,8 @@ static int apply_police_params(struct mlx5e_priv *priv, u64 rate, */ if (rate) { rate = (rate * BITS_PER_BYTE) + 500000; - rate_mbps = max_t(u64, do_div(rate, 1000000), 1); + do_div(rate, 1000000); + rate_mbps = max_t(u32, rate, 1); } err = mlx5_esw_modify_vport_rate(esw, vport_num, rate_mbps);