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[2620:137:e000::1:20]) by mx.google.com with ESMTP id x26-20020a63171a000000b005004b2acf6dsi16069633pgl.810.2023.03.22.07.58.47; Wed, 22 Mar 2023 07:59:00 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231564AbjCVOb6 (ORCPT + 99 others); Wed, 22 Mar 2023 10:31:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48564 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231472AbjCVObq (ORCPT ); Wed, 22 Mar 2023 10:31:46 -0400 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9158562B73 for ; Wed, 22 Mar 2023 07:31:45 -0700 (PDT) Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1pezV1-0003Op-Ar; Wed, 22 Mar 2023 15:31:35 +0100 Received: from [2a0a:edc0:0:1101:1d::ac] (helo=dude04.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.94.2) (envelope-from ) id 1pezUy-005wW6-7e; Wed, 22 Mar 2023 15:31:32 +0100 Received: from ore by dude04.red.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1pezUx-0060a3-45; Wed, 22 Mar 2023 15:31:31 +0100 From: Oleksij Rempel To: "David S. Miller" , Andrew Lunn , Eric Dumazet , Florian Fainelli , Jakub Kicinski , Paolo Abeni , Vladimir Oltean , Woojung Huh Cc: Oleksij Rempel , kernel@pengutronix.de, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, UNGLinuxDriver@microchip.com Subject: [PATCH net v1 4/6] net: dsa: microchip: ksz8: ksz8_fdb_dump: avoid extracting ghost entry from empty dynamic MAC table. Date: Wed, 22 Mar 2023 15:31:28 +0100 Message-Id: <20230322143130.1432106-5-o.rempel@pengutronix.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230322143130.1432106-1-o.rempel@pengutronix.de> References: <20230322143130.1432106-1-o.rempel@pengutronix.de> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: ore@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org X-Spam-Status: No, score=-2.3 required=5.0 tests=RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1761080393799900522?= X-GMAIL-MSGID: =?utf-8?q?1761080393799900522?= If the dynamic MAC table is empty, we will still extract one outdated entry. Fix it by using correct bit offset. Fixes: d23a5e18606c ("net: dsa: microchip: move ksz8->masks to ksz_common") Signed-off-by: Oleksij Rempel Acked-by: Arun Ramadoss --- drivers/net/dsa/microchip/ksz_common.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c index c914449645ca..4929fb29ed06 100644 --- a/drivers/net/dsa/microchip/ksz_common.c +++ b/drivers/net/dsa/microchip/ksz_common.c @@ -408,7 +408,7 @@ static const u32 ksz8863_masks[] = { [STATIC_MAC_TABLE_OVERRIDE] = BIT(20), [STATIC_MAC_TABLE_FWD_PORTS] = GENMASK(18, 16), [DYNAMIC_MAC_TABLE_ENTRIES_H] = GENMASK(1, 0), - [DYNAMIC_MAC_TABLE_MAC_EMPTY] = BIT(7), + [DYNAMIC_MAC_TABLE_MAC_EMPTY] = BIT(2), [DYNAMIC_MAC_TABLE_NOT_READY] = BIT(7), [DYNAMIC_MAC_TABLE_ENTRIES] = GENMASK(31, 24), [DYNAMIC_MAC_TABLE_FID] = GENMASK(19, 16),