From patchwork Mon Jun 22 06:46:11 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Guinan Sun X-Patchwork-Id: 71914 X-Patchwork-Delegate: qi.z.zhang@intel.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 48905A0350; Mon, 22 Jun 2020 09:13:55 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id C14981D597; Mon, 22 Jun 2020 09:06:50 +0200 (CEST) Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by dpdk.org (Postfix) with ESMTP id 0CD4D1D589 for ; Mon, 22 Jun 2020 09:06:46 +0200 (CEST) IronPort-SDR: x97dakjxdri2nWvkdGX+3swSOzkHgojMRD4Qbu6x+r6EMIZrXTr95Dg5IelFOJKQBENYeSPFUo VoPolFOnjIhw== X-IronPort-AV: E=McAfee;i="6000,8403,9659"; a="141944924" X-IronPort-AV: E=Sophos;i="5.75,266,1589266800"; d="scan'208";a="141944924" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Jun 2020 00:06:46 -0700 IronPort-SDR: 0l2m0SVWqXBoK3SEwg0DXt6I6inrKf2PnQzyVBcwDedn7B4RjuhUP3K9Wa8AiaP5yhzhxlRk29 ck7/Y1Yy5nHQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,266,1589266800"; d="scan'208";a="384409149" Received: from dpdk.sh.intel.com ([10.239.255.83]) by fmsmga001.fm.intel.com with ESMTP; 22 Jun 2020 00:06:45 -0700 From: Guinan Sun To: dev@dpdk.org Cc: Jeff Guo , Zhao1 Wei , Guinan Sun , Efrati Nir Date: Mon, 22 Jun 2020 06:46:11 +0000 Message-Id: <20200622064634.70941-48-guinanx.sun@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200622064634.70941-1-guinanx.sun@intel.com> References: <20200622064634.70941-1-guinanx.sun@intel.com> Subject: [dpdk-dev] [PATCH 47/70] net/e1000/base: modify flow control setup 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" Customers had a problem with large pings after connected standby. This is due to the requirement of maintaining link after CS - the driver blocks resets during "AdapterStart" and skips flow control setup. Added condition in e1000_setup_link_ich8lan.c function that always setup flow control, and setup physical interface only when no need to block resets. Signed-off-by: Efrati Nir Signed-off-by: Guinan Sun --- drivers/net/e1000/base/e1000_ich8lan.c | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) diff --git a/drivers/net/e1000/base/e1000_ich8lan.c b/drivers/net/e1000/base/e1000_ich8lan.c index 9b9cc7d90..85344ebeb 100644 --- a/drivers/net/e1000/base/e1000_ich8lan.c +++ b/drivers/net/e1000/base/e1000_ich8lan.c @@ -5200,9 +5200,6 @@ STATIC s32 e1000_setup_link_ich8lan(struct e1000_hw *hw) DEBUGFUNC("e1000_setup_link_ich8lan"); - if (hw->phy.ops.check_reset_block(hw)) - return E1000_SUCCESS; - /* ICH parts do not have a word in the NVM to determine * the default flow control setting, so we explicitly * set it to full. @@ -5218,10 +5215,12 @@ STATIC s32 e1000_setup_link_ich8lan(struct e1000_hw *hw) DEBUGOUT1("After fix-ups FlowControl is now = %x\n", hw->fc.current_mode); - /* Continue to configure the copper link. */ - ret_val = hw->mac.ops.setup_physical_interface(hw); - if (ret_val) - return ret_val; + if (!hw->phy.ops.check_reset_block(hw)) { + /* Continue to configure the copper link. */ + ret_val = hw->mac.ops.setup_physical_interface(hw); + if (ret_val) + return ret_val; + } E1000_WRITE_REG(hw, E1000_FCTTV, hw->fc.pause_time); if ((hw->phy.type == e1000_phy_82578) ||