From mboxrd@z Thu Jan 1 00:00:00 1970 From: 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> References: <1358422519-20981-1-git-send-email-jeffrey.t.kirsher@intel.com> Cc: Matthew Vick , netdev@vger.kernel.org, gospo@redhat.com, sassmann@redhat.com, Richard Cochran , Jeff Kirsher To: davem@davemloft.net Return-path: 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 In-Reply-To: <1358422519-20981-1-git-send-email-jeffrey.t.kirsher@intel.com> Sender: netdev-owner@vger.kernel.org List-ID: 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; -- 1.7.11.7