From patchwork Mon Sep 28 21:50:15 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tony Nguyen X-Patchwork-Id: 1372945 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=intel.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4C0fcr3vL2z9sPB for ; Tue, 29 Sep 2020 09:59:08 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727041AbgI1X7G (ORCPT ); Mon, 28 Sep 2020 19:59:06 -0400 Received: from mga17.intel.com ([192.55.52.151]:45855 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726064AbgI1X7F (ORCPT ); Mon, 28 Sep 2020 19:59:05 -0400 IronPort-SDR: XBYi2ssUWvMuzSuMmSKy2wxD3Vz6LCdNVfEXmOOGZJis3Hr8tNRWFH0m9VTdWqIHUsW9M/YX4e iAETpyhk4o9g== X-IronPort-AV: E=McAfee;i="6000,8403,9758"; a="142086329" X-IronPort-AV: E=Sophos;i="5.77,315,1596524400"; d="scan'208";a="142086329" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Sep 2020 14:50:29 -0700 IronPort-SDR: cY+vpARAsih+5JzydD0Wd+hiYnFPwsQVvVjWs0E7SjQbTAuZD6pe6jE86ak6W3fM0BjCdyqyju 6V5sItp4GK2A== X-IronPort-AV: E=Sophos;i="5.77,315,1596524400"; d="scan'208";a="311962129" Received: from jtkirshe-desk1.jf.intel.com ([134.134.177.86]) by orsmga006-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Sep 2020 14:50:28 -0700 From: Tony Nguyen To: davem@davemloft.net Cc: Vinicius Costa Gomes , netdev@vger.kernel.org, nhorman@redhat.com, sassmann@redhat.com, anthony.l.nguyen@intel.com, Aaron Brown Subject: [net-next v2 12/15] igc: Export a way to read the PTP timer Date: Mon, 28 Sep 2020 14:50:15 -0700 Message-Id: <20200928215018.952991-13-anthony.l.nguyen@intel.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200928215018.952991-1-anthony.l.nguyen@intel.com> References: <20200928215018.952991-1-anthony.l.nguyen@intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Vinicius Costa Gomes The next patch will need a way to retrieve the current timestamp from the NIC's PTP clock. The 'i225' suffix is removed, if anything model specific is needed, those specifics should be hidden by this function. Signed-off-by: Vinicius Costa Gomes Tested-by: Aaron Brown Signed-off-by: Tony Nguyen --- drivers/net/ethernet/intel/igc/igc.h | 1 + drivers/net/ethernet/intel/igc/igc_ptp.c | 7 +++---- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/intel/igc/igc.h b/drivers/net/ethernet/intel/igc/igc.h index 2e5720d34a16..35baae900c1f 100644 --- a/drivers/net/ethernet/intel/igc/igc.h +++ b/drivers/net/ethernet/intel/igc/igc.h @@ -550,6 +550,7 @@ void igc_ptp_rx_pktstamp(struct igc_q_vector *q_vector, void *va, int igc_ptp_set_ts_config(struct net_device *netdev, struct ifreq *ifr); int igc_ptp_get_ts_config(struct net_device *netdev, struct ifreq *ifr); void igc_ptp_tx_hang(struct igc_adapter *adapter); +void igc_ptp_read(struct igc_adapter *adapter, struct timespec64 *ts); #define igc_rx_pg_size(_ring) (PAGE_SIZE << igc_rx_pg_order(_ring)) diff --git a/drivers/net/ethernet/intel/igc/igc_ptp.c b/drivers/net/ethernet/intel/igc/igc_ptp.c index 49abefdab26c..ac0b9c85da7c 100644 --- a/drivers/net/ethernet/intel/igc/igc_ptp.c +++ b/drivers/net/ethernet/intel/igc/igc_ptp.c @@ -17,8 +17,7 @@ #define IGC_PTP_TX_TIMEOUT (HZ * 15) /* SYSTIM read access for I225 */ -static void igc_ptp_read_i225(struct igc_adapter *adapter, - struct timespec64 *ts) +void igc_ptp_read(struct igc_adapter *adapter, struct timespec64 *ts) { struct igc_hw *hw = &adapter->hw; u32 sec, nsec; @@ -75,7 +74,7 @@ static int igc_ptp_adjtime_i225(struct ptp_clock_info *ptp, s64 delta) spin_lock_irqsave(&igc->tmreg_lock, flags); - igc_ptp_read_i225(igc, &now); + igc_ptp_read(igc, &now); now = timespec64_add(now, then); igc_ptp_write_i225(igc, (const struct timespec64 *)&now); @@ -517,7 +516,7 @@ void igc_ptp_init(struct igc_adapter *adapter) static void igc_ptp_time_save(struct igc_adapter *adapter) { - igc_ptp_read_i225(adapter, &adapter->prev_ptp_time); + igc_ptp_read(adapter, &adapter->prev_ptp_time); adapter->ptp_reset_start = ktime_get(); }