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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C84D2C76196 for ; Mon, 3 Apr 2023 14:41:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233793AbjDCOlJ (ORCPT ); Mon, 3 Apr 2023 10:41:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54590 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233797AbjDCOlI (ORCPT ); Mon, 3 Apr 2023 10:41:08 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A5E9D17ADC for ; Mon, 3 Apr 2023 07:41:06 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 3F8E561ED1 for ; Mon, 3 Apr 2023 14:41:06 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 57D14C433EF; Mon, 3 Apr 2023 14:41:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1680532865; bh=YUMXNElqIwE2I0iAMb/yuF4EvmvuxAtA7akQRqkdNYE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qHNfkFqKvvHpZ9enaD4bZ36bis9Kqux8kYIPTTfVnkB/3PkrqXaSN9McCiddKNgTS +Om6tCtg9o32LCjnwaLlz74n2z+S2niuO7v+wW9IFTMff7LNJisJzyaie5Pls2jPzf zE66qsiA4IWQTp5D5Nx+XITbgnPIxqIIUTYi5cH4= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Simon Horman , Felix Fietkau , Leon Romanovsky , Jakub Kicinski , Sasha Levin Subject: [PATCH 6.1 119/181] net: ethernet: mtk_eth_soc: add missing ppe cache flush when deleting a flow Date: Mon, 3 Apr 2023 16:09:14 +0200 Message-Id: <20230403140418.957999939@linuxfoundation.org> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230403140415.090615502@linuxfoundation.org> References: <20230403140415.090615502@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Felix Fietkau [ Upstream commit 924531326e2dd4ceabe7240f2b55a88e7d894ec2 ] The cache needs to be flushed to ensure that the hardware stops offloading the flow immediately. Fixes: 33fc42de3327 ("net: ethernet: mtk_eth_soc: support creating mac address based offload entries") Reviewed-by: Simon Horman Signed-off-by: Felix Fietkau Reviewed-by: Leon Romanovsky Link: https://lore.kernel.org/r/20230330120840.52079-3-nbd@nbd.name Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/ethernet/mediatek/mtk_ppe.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/mediatek/mtk_ppe.c b/drivers/net/ethernet/mediatek/mtk_ppe.c index 34ea8af48c3d0..d6eed204574a9 100644 --- a/drivers/net/ethernet/mediatek/mtk_ppe.c +++ b/drivers/net/ethernet/mediatek/mtk_ppe.c @@ -438,6 +438,7 @@ __mtk_foe_entry_clear(struct mtk_ppe *ppe, struct mtk_flow_entry *entry) hwe->ib1 &= ~MTK_FOE_IB1_STATE; hwe->ib1 |= FIELD_PREP(MTK_FOE_IB1_STATE, MTK_FOE_STATE_INVALID); dma_wmb(); + mtk_ppe_cache_clear(ppe); } entry->hash = 0xffff; -- 2.39.2