From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 7122CA0A0B for ; Tue, 26 Jan 2021 04:03:23 +0100 (CET) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 5FE041411D9; Tue, 26 Jan 2021 04:03:23 +0100 (CET) Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by mails.dpdk.org (Postfix) with ESMTP id 62E9C1411B5; Tue, 26 Jan 2021 04:03:20 +0100 (CET) IronPort-SDR: V6mnj4vogo/HMYWudEx87yWsx3apz5vRu0lK6QYee9/GhYD2D07qr7qzn6H93X5E+dAePdK1qB Wd9PWRTm6jiA== X-IronPort-AV: E=McAfee;i="6000,8403,9875"; a="241370467" X-IronPort-AV: E=Sophos;i="5.79,375,1602572400"; d="scan'208";a="241370467" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Jan 2021 19:03:18 -0800 IronPort-SDR: GnUoWJqyi95fSvONl2urF3wLg3LU3qeMBrS2yAXpzsm5fwvUSHy62Ivjex+2kG9yKKIHmkXpdK girnjZg0nCeA== X-IronPort-AV: E=Sophos;i="5.79,375,1602572400"; d="scan'208";a="429539057" Received: from unknown (HELO localhost.localdomain) ([10.240.183.93]) by orsmga001-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Jan 2021 19:03:16 -0800 From: dapengx.yu@intel.com To: jia.guo@intel.com, haiyue.wang@intel.com, qiming.yang@intel.com Cc: dev@dpdk.org, Dapeng Yu , stable@dpdk.org Date: Tue, 26 Jan 2021 11:03:08 +0800 Message-Id: <20210126030308.517216-1-dapengx.yu@intel.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210125031041.429268-1-dapengx.yu@intel.com> References: <20210125031041.429268-1-dapengx.yu@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [dpdk-stable] [PATCH v3] net/ixgbe: disable NFS filtering X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org Sender: "stable" From: Dapeng Yu Disable NFS header filtering whether NFS packets coalescing are required or not, in order to make RSS can work on NFS packets. The code without the patch does follow datasheet, but not consistent with the ixgbe kernel driver. It causes NFS packets to be filtered and make them flow into queue 0, before RSS can work on them. Fixes: b826efba6de4 ("net/ixgbe: align register setting when RSC is disabled") Fixes: 8eecb3295aed ("ixgbe: add LRO support") Cc: stable@dpdk.org Signed-off-by: Dapeng Yu --- drivers/net/ixgbe/ixgbe_rxtx.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) diff --git a/drivers/net/ixgbe/ixgbe_rxtx.c b/drivers/net/ixgbe/ixgbe_rxtx.c index cc8f70e6d..2efd054f7 100644 --- a/drivers/net/ixgbe/ixgbe_rxtx.c +++ b/drivers/net/ixgbe/ixgbe_rxtx.c @@ -4923,15 +4923,11 @@ ixgbe_set_rsc(struct rte_eth_dev *dev) /* RFCTL configuration */ rfctl = IXGBE_READ_REG(hw, IXGBE_RFCTL); if ((rsc_capable) && (rx_conf->offloads & DEV_RX_OFFLOAD_TCP_LRO)) - /* - * Since NFS packets coalescing is not supported - clear - * RFCTL.NFSW_DIS and RFCTL.NFSR_DIS when RSC is - * enabled. - */ - rfctl &= ~(IXGBE_RFCTL_RSC_DIS | IXGBE_RFCTL_NFSW_DIS | - IXGBE_RFCTL_NFSR_DIS); + rfctl &= ~IXGBE_RFCTL_RSC_DIS; else rfctl |= IXGBE_RFCTL_RSC_DIS; + /* disable NFS filtering */ + rfctl |= IXGBE_RFCTL_NFSW_DIS | IXGBE_RFCTL_NFSR_DIS; IXGBE_WRITE_REG(hw, IXGBE_RFCTL, rfctl); /* If LRO hasn't been requested - we are done here. */ -- 2.27.0