From patchwork Wed Feb 5 08:55:08 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ong Boon Leong X-Patchwork-Id: 11365903 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id ACBD9921 for ; Wed, 5 Feb 2020 08:56:31 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8AA8B2082E for ; Wed, 5 Feb 2020 08:56:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="fl+7w4IT" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8AA8B2082E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=HUwUzEw5B7pn5ia+YYcPm5sD457hnpw1VyAmiAzNklA=; b=fl+7w4ITmxFJUMJ2TziQIHerPi M7X7ZJxODqdvOpR+OCLDs8JSjJzNssq0zEtvSUElRCJIpsH88aNJVJiPkV7os1m4BtiWw6d5OK4A1 dHyvNEN7c2GVpNJZW0+K7DZ80iRexkKY65EQ7MP0tCpZet9+pwoWvI3h12/ZRedALP5x64mv+JOt8 GosfHcGPa4CiyfcdYCMQiae9U2tUQEm8sos9GH6YTqLkjwcto8fM8j6GvKDcHE5id9p4udUY54zIZ k5NCqEutYrMXbLLKWFc5+4GvYXyUZY9ng3CYGtvYa6pqPBEz0NJHp09mPSA8ILZe4vU5JVP4DgCfF XKUUXrLg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1izGU0-0005dR-1G; Wed, 05 Feb 2020 08:56:28 +0000 Received: from mga06.intel.com ([134.134.136.31]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1izGTK-0004l2-10 for linux-arm-kernel@lists.infradead.org; Wed, 05 Feb 2020 08:55:48 +0000 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga104.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 05 Feb 2020 00:55:45 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,405,1574150400"; d="scan'208";a="264149203" Received: from unknown (HELO bong5-HP-Z440.png.intel.com) ([10.221.118.166]) by fmsmga002.fm.intel.com with ESMTP; 05 Feb 2020 00:55:42 -0800 From: Ong Boon Leong To: netdev@vger.kernel.org Subject: [PATCH net v4 4/6] net: stmmac: fix missing IFF_MULTICAST check in dwmac4_set_filter Date: Wed, 5 Feb 2020 16:55:08 +0800 Message-Id: <20200205085510.32353-5-boon.leong.ong@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200205085510.32353-1-boon.leong.ong@intel.com> References: <20200205085510.32353-1-boon.leong.ong@intel.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200205_005546_122816_0E4E52CC X-CRM114-Status: GOOD ( 12.92 ) X-Spam-Score: -2.3 (--) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-2.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [134.134.136.31 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jose Abreu , Joao Pinto , Alexandre TORGUE , Voon Weifeng , linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, Arnd Bergmann , Maxime Coquelin , Tan Tee Min , Giuseppe Cavallaro , Alexandru Ardelean , "David S . Miller" , linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org From: "Verma, Aashish" Without checking for IFF_MULTICAST flag, it is wrong to assume multicast filtering is always enabled. By checking against IFF_MULTICAST, now the driver behaves correctly when the multicast support is toggled by below command:- ip link set multicast off|on Fixes: 477286b53f55 ("stmmac: add GMAC4 core support") Signed-off-by: Verma, Aashish Tested-by: Tan, Tee Min Signed-off-by: Ong Boon Leong --- drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c index 4d8eef9ff137..dc09d2131e40 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c @@ -420,7 +420,7 @@ static void dwmac4_set_filter(struct mac_device_info *hw, value |= GMAC_PACKET_FILTER_PM; /* Set all the bits of the HASH tab */ memset(mc_filter, 0xff, sizeof(mc_filter)); - } else if (!netdev_mc_empty(dev)) { + } else if (!netdev_mc_empty(dev) && (dev->flags & IFF_MULTICAST)) { struct netdev_hw_addr *ha; /* Hash filter for multicast */