From patchwork Thu Mar 23 13:08:15 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Felix Fietkau X-Patchwork-Id: 13185634 X-Patchwork-Delegate: kuba@kernel.org 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 454C1C76195 for ; Thu, 23 Mar 2023 13:08:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229379AbjCWNIj (ORCPT ); Thu, 23 Mar 2023 09:08:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:32796 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230257AbjCWNIf (ORCPT ); Thu, 23 Mar 2023 09:08:35 -0400 Received: from nbd.name (nbd.name [46.4.11.11]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A6D85B450 for ; Thu, 23 Mar 2023 06:08:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=nbd.name; s=20160729; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Sender:Reply-To:Cc:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=KA2oH1SDRmplQJUEe4rTRO2Ooiicz6rXc3GsgXPN5Ok=; b=n5oL9+qSRpq2IT2jkXX3PKu0+j N1qAzaNOzWeBbwusQC9uUg1MY0m6ROIVv+wDpiZVH85GyUtSyXHBIQV5/N49iIKdG7R3SrjWb6pLJ xAaceEjNuExkapDRUK3OKo/mth8miPk3VHQsPZMVCIvLqxwOrtxS6rI0ay/2qZizJlFQ=; Received: from [217.114.218.29] (helo=localhost.localdomain) by ds12 with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256 (Exim 4.94.2) (envelope-from ) id 1pfKfw-0062oc-Tw for netdev@vger.kernel.org; Thu, 23 Mar 2023 14:08:17 +0100 From: Felix Fietkau To: netdev@vger.kernel.org Subject: [PATCH v2 3/3] net: ethernet: mtk_eth_soc: add missing ppe cache flush when deleting a flow Date: Thu, 23 Mar 2023 14:08:15 +0100 Message-Id: <20230323130815.7753-3-nbd@nbd.name> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230323130815.7753-1-nbd@nbd.name> References: <20230323130815.7753-1-nbd@nbd.name> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org The cache needs to be flushed to ensure that the hardware stops offloading the flow immediately. Signed-off-by: Felix Fietkau Reviewed-by: Simon Horman --- 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 a038b99ecbda..fd07d6e14273 100644 --- a/drivers/net/ethernet/mediatek/mtk_ppe.c +++ b/drivers/net/ethernet/mediatek/mtk_ppe.c @@ -459,6 +459,7 @@ __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;