From patchwork Mon Sep 28 17:59:01 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tony Nguyen X-Patchwork-Id: 260012 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7D890C2D0A8 for ; Mon, 28 Sep 2020 17:59:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 467B2208D5 for ; Mon, 28 Sep 2020 17:59:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726694AbgI1R7g (ORCPT ); Mon, 28 Sep 2020 13:59:36 -0400 Received: from mga18.intel.com ([134.134.136.126]:32955 "EHLO mga18.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726659AbgI1R72 (ORCPT ); Mon, 28 Sep 2020 13:59:28 -0400 IronPort-SDR: swQwuLWhFeAy15QsUg7iJr4DZRpRHI4Mr95PISooZRmqQClvJbKGk+sVeySQsucGjTFmdzrcyh yfas/OymBLJA== X-IronPort-AV: E=McAfee;i="6000,8403,9758"; a="149810269" X-IronPort-AV: E=Sophos;i="5.77,313,1596524400"; d="scan'208";a="149810269" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Sep 2020 10:59:22 -0700 IronPort-SDR: RVH8dcOlnqAKQys3Pi29lMTf7+uP1taaRX0iRkDxo4te/e2jJs2kBMnIAb+KvYoi/VwE2DHUy1 VGAmG+Qxnv4Q== X-IronPort-AV: E=Sophos;i="5.77,313,1596524400"; d="scan'208";a="340505392" Received: from jtkirshe-desk1.jf.intel.com ([134.134.177.86]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Sep 2020 10:59:21 -0700 From: Tony Nguyen To: davem@davemloft.net Cc: Sasha Neftin , netdev@vger.kernel.org, nhorman@redhat.com, sassmann@redhat.com, anthony.l.nguyen@intel.com, Aaron Brown Subject: [net-next 08/15] igc: Expose LPI counters Date: Mon, 28 Sep 2020 10:59:01 -0700 Message-Id: <20200928175908.318502-9-anthony.l.nguyen@intel.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200928175908.318502-1-anthony.l.nguyen@intel.com> References: <20200928175908.318502-1-anthony.l.nguyen@intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Sasha Neftin Completion to commit 900d1e8b346b ("igc: Add LPI counters") LPI counters exposed by statistics update method. A EEE TX LPI counter reflect the transmitter entries EEE (IEEE 802.3az) into the LPI state. A EEE RX LPI counter reflect the receiver link partner entries into EEE(IEEE 802.3az) LPI state. Signed-off-by: Sasha Neftin Tested-by: Aaron Brown Signed-off-by: Tony Nguyen --- drivers/net/ethernet/intel/igc/igc_ethtool.c | 3 +++ drivers/net/ethernet/intel/igc/igc_hw.h | 2 ++ drivers/net/ethernet/intel/igc/igc_main.c | 2 ++ 3 files changed, 7 insertions(+) diff --git a/drivers/net/ethernet/intel/igc/igc_ethtool.c b/drivers/net/ethernet/intel/igc/igc_ethtool.c index 44410c2265d6..61d331ce38cd 100644 --- a/drivers/net/ethernet/intel/igc/igc_ethtool.c +++ b/drivers/net/ethernet/intel/igc/igc_ethtool.c @@ -321,6 +321,9 @@ static void igc_ethtool_get_regs(struct net_device *netdev, for (i = 0; i < 8; i++) regs_buff[205 + i] = rd32(IGC_ETQF(i)); + + regs_buff[213] = adapter->stats.tlpic; + regs_buff[214] = adapter->stats.rlpic; } static void igc_ethtool_get_wol(struct net_device *netdev, diff --git a/drivers/net/ethernet/intel/igc/igc_hw.h b/drivers/net/ethernet/intel/igc/igc_hw.h index 6defdb8a31fe..b70253fb8ebc 100644 --- a/drivers/net/ethernet/intel/igc/igc_hw.h +++ b/drivers/net/ethernet/intel/igc/igc_hw.h @@ -244,6 +244,8 @@ struct igc_hw_stats { u64 prc511; u64 prc1023; u64 prc1522; + u64 tlpic; + u64 rlpic; u64 gprc; u64 bprc; u64 mprc; diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c index 7a46b22413f2..7576dbfdac99 100644 --- a/drivers/net/ethernet/intel/igc/igc_main.c +++ b/drivers/net/ethernet/intel/igc/igc_main.c @@ -3683,6 +3683,8 @@ void igc_update_stats(struct igc_adapter *adapter) adapter->stats.prc511 += rd32(IGC_PRC511); adapter->stats.prc1023 += rd32(IGC_PRC1023); adapter->stats.prc1522 += rd32(IGC_PRC1522); + adapter->stats.tlpic += rd32(IGC_TLPIC); + adapter->stats.rlpic += rd32(IGC_RLPIC); mpc = rd32(IGC_MPC); adapter->stats.mpc += mpc;