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From: Nishant Verma <vnish11@gmail.com>
Date: Fri, 6 Jul 2018 12:34:36 -0400
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Subject: [dpdk-users] PTP IXGBEVF
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Hi All,

My IXGBEVF info is as follows:
filename:
/lib/modules/3.10.0-514.el7.x86_64/kernel/drivers/net/ethernet/intel/ixgbev=
f/ixgbevf.ko
version:        4.3.5
license:        GPL
description:    Intel(R) 10 Gigabit Virtual Function Network Driver
author:         Intel Corporation, <linux.nics@intel.com>
rhelversion:    7.3

But the PTP Hardware clock is not enabled on vf's created by SR-IOV.

Is there any way to enable that?

Below is the properties of the physical and virtual network interface.

*PHYSICAL*:ethtool -T eno2
Time stamping parameters for eno2:
Capabilities:
    hardware-transmit     (SOF_TIMESTAMPING_TX_HARDWARE)
    software-transmit     (SOF_TIMESTAMPING_TX_SOFTWARE)
    hardware-receive      (SOF_TIMESTAMPING_RX_HARDWARE)
    software-receive      (SOF_TIMESTAMPING_RX_SOFTWARE)
    software-system-clock (SOF_TIMESTAMPING_SOFTWARE)
    hardware-raw-clock    (SOF_TIMESTAMPING_RAW_HARDWARE)
PTP Hardware Clock: 1
Hardware Transmit Timestamp Modes:
    off                   (HWTSTAMP_TX_OFF)
    on                    (HWTSTAMP_TX_ON)
Hardware Receive Filter Modes:
    none                  (HWTSTAMP_FILTER_NONE)
    all                   (HWTSTAMP_FILTER_ALL)
    ptpv1-l4-sync         (HWTSTAMP_FILTER_PTP_V1_L4_SYNC)
    ptpv1-l4-delay-req    (HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ)
    ptpv2-l4-event        (HWTSTAMP_FILTER_PTP_V2_L4_EVENT)
    ptpv2-l4-sync         (HWTSTAMP_FILTER_PTP_V2_L4_SYNC)
    ptpv2-l4-delay-req    (HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ)
    ptpv2-l2-event        (HWTSTAMP_FILTER_PTP_V2_L2_EVENT)
    ptpv2-l2-sync         (HWTSTAMP_FILTER_PTP_V2_L2_SYNC)
    ptpv2-l2-delay-req    (HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ)
    ptpv2-event           (HWTSTAMP_FILTER_PTP_V2_EVENT)
    ptpv2-sync            (HWTSTAMP_FILTER_PTP_V2_SYNC)
    ptpv2-delay-req       (HWTSTAMP_FILTER_PTP_V2_DELAY_REQ)
=E2=80=8B
=E2=80=8B

* VIRTUAL*:

ethtool -T enp2s16f1
Time stamping parameters for enp2s16f1:
Capabilities:
    software-transmit     (SOF_TIMESTAMPING_TX_SOFTWARE)
    software-receive      (SOF_TIMESTAMPING_RX_SOFTWARE)
    software-system-clock (SOF_TIMESTAMPING_SOFTWARE)
PTP Hardware Clock: none
Hardware Transmit Timestamp Modes: none
Hardware Receive Filter Modes: none


=E2=80=8B

--=20
Rgds,
Nishant