From patchwork Thu Jan 17 11:35:15 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kirsher, Jeffrey T" X-Patchwork-Id: 213209 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id D554B2C0087 for ; Thu, 17 Jan 2013 22:36:13 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756448Ab3AQLfr (ORCPT ); Thu, 17 Jan 2013 06:35:47 -0500 Received: from mga01.intel.com ([192.55.52.88]:58527 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756413Ab3AQLfk (ORCPT ); Thu, 17 Jan 2013 06:35:40 -0500 Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga101.fm.intel.com with ESMTP; 17 Jan 2013 03:35:30 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.84,484,1355126400"; d="scan'208";a="278042287" Received: from unknown (HELO jtkirshe-mobl.amr.corp.intel.com) ([10.255.15.10]) by fmsmga002.fm.intel.com with ESMTP; 17 Jan 2013 03:35:29 -0800 From: Jeff Kirsher To: davem@davemloft.net Cc: Matthew Vick , netdev@vger.kernel.org, gospo@redhat.com, sassmann@redhat.com, Richard Cochran , Jeff Kirsher Subject: [net-next 10/14] igb: Add support for SW timestamping Date: Thu, 17 Jan 2013 03:35:15 -0800 Message-Id: <1358422519-20981-11-git-send-email-jeffrey.t.kirsher@intel.com> X-Mailer: git-send-email 1.7.11.7 In-Reply-To: <1358422519-20981-1-git-send-email-jeffrey.t.kirsher@intel.com> References: <1358422519-20981-1-git-send-email-jeffrey.t.kirsher@intel.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Matthew Vick Enable SW timestamping for situations where the user may prefer it over HW timestamping or there may not be HW timestamping. Cc: Richard Cochran Signed-off-by: Matthew Vick Acked-by: Jacob Keller Tested-by: Aaron Brown Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/igb/igb_ethtool.c | 9 +++++++++ drivers/net/ethernet/intel/igb/igb_main.c | 2 ++ 2 files changed, 11 insertions(+) diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c index bfe9208..6180303 100644 --- a/drivers/net/ethernet/intel/igb/igb_ethtool.c +++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c @@ -2272,12 +2272,21 @@ static int igb_get_ts_info(struct net_device *dev, struct igb_adapter *adapter = netdev_priv(dev); switch (adapter->hw.mac.type) { + case e1000_82575: + info->so_timestamping = + SOF_TIMESTAMPING_TX_SOFTWARE | + SOF_TIMESTAMPING_RX_SOFTWARE | + SOF_TIMESTAMPING_SOFTWARE; + return 0; case e1000_82576: case e1000_82580: case e1000_i350: case e1000_i210: case e1000_i211: info->so_timestamping = + SOF_TIMESTAMPING_TX_SOFTWARE | + SOF_TIMESTAMPING_RX_SOFTWARE | + SOF_TIMESTAMPING_SOFTWARE | SOF_TIMESTAMPING_TX_HARDWARE | SOF_TIMESTAMPING_RX_HARDWARE | SOF_TIMESTAMPING_RAW_HARDWARE; diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 2c66ec8..1b5e9a5 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -4610,6 +4610,8 @@ netdev_tx_t igb_xmit_frame_ring(struct sk_buff *skb, first->bytecount = skb->len; first->gso_segs = 1; + skb_tx_timestamp(skb); + if (unlikely((skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP) && !(adapter->ptp_tx_skb))) { skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS;