From patchwork Wed Apr 12 14:11:24 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Iremonger, Bernard" X-Patchwork-Id: 23595 X-Patchwork-Delegate: ferruh.yigit@amd.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id AF6072C27; Wed, 12 Apr 2017 16:11:32 +0200 (CEST) Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by dpdk.org (Postfix) with ESMTP id EE667234 for ; Wed, 12 Apr 2017 16:11:30 +0200 (CEST) Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 12 Apr 2017 07:11:29 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.37,191,1488873600"; d="scan'208";a="76558162" Received: from sivswdev01.ir.intel.com (HELO localhost.localdomain) ([10.237.217.45]) by orsmga004.jf.intel.com with ESMTP; 12 Apr 2017 07:11:28 -0700 From: Bernard Iremonger To: dev@dpdk.org Cc: beilei.xing@intel.com, wenzhuo.lu@intel.com, Bernard Iremonger Date: Wed, 12 Apr 2017 15:11:24 +0100 Message-Id: <1492006284-13202-1-git-send-email-bernard.iremonger@intel.com> X-Mailer: git-send-email 1.7.0.7 Subject: [dpdk-dev] [PATCH] net/i40e: reset NIC core X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" After a cloud filter has been replaced, to restore the NIC to it original state a reset of the NIC core is needed. A core reset has been added to the eth_i40e_dev_init function. Signed-off-by: Bernard Iremonger --- drivers/net/i40e/i40e_ethdev.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c index 59c603fb9..e119dbf00 100644 --- a/drivers/net/i40e/i40e_ethdev.c +++ b/drivers/net/i40e/i40e_ethdev.c @@ -1077,6 +1077,9 @@ eth_i40e_dev_init(struct rte_eth_dev *dev) hw->bus.func = pci_dev->addr.function; hw->adapter_stopped = 0; + /* Reset NIC core */ + I40E_WRITE_REG(hw, I40E_GLGEN_RTRIG, 0x1); + /* Make sure all is clean before doing PF reset */ i40e_clear_hw(hw);