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| author |   Vinicius Costa Gomes <vinicius.gomes@intel.com> | 2019-12-02 15:19:52 -0800 |
|---|---|---|
| committer |   Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2020-01-06 14:59:48 -0800 |
| commit | 60dbede0c4f3d7b1a1f56d1f91bbca3c5a73f7f5 (patch) | |
| tree | 6ce4aa95d50cf8bb9d98078e454d6ce1f359d36e | |
| parent | igc: Add support for TX timestamping (diff) | |
| download | linux-dev-60dbede0c4f3d7b1a1f56d1f91bbca3c5a73f7f5.tar.xz linux-dev-60dbede0c4f3d7b1a1f56d1f91bbca3c5a73f7f5.zip | |
igc: Add support for ethtool GET_TS_INFO command
This command allows igc to report what types of timestamping are
supported. ptp4l uses this to detect if the hardware supports
timestamping.
Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
| -rw-r--r-- | drivers/net/ethernet/intel/igc/igc_ethtool.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/igc/igc_ethtool.c b/drivers/net/ethernet/intel/igc/igc_ethtool.c index 455c1cdceb6e..ee07011e13e9 100644 --- a/drivers/net/ethernet/intel/igc/igc_ethtool.c +++ b/drivers/net/ethernet/intel/igc/igc_ethtool.c @@ -1600,6 +1600,39 @@ static int igc_set_channels(struct net_device *netdev, return 0; } +static int igc_get_ts_info(struct net_device *dev, + struct ethtool_ts_info *info) +{ + struct igc_adapter *adapter = netdev_priv(dev); + + if (adapter->ptp_clock) + info->phc_index = ptp_clock_index(adapter->ptp_clock); + else + info->phc_index = -1; + + switch (adapter->hw.mac.type) { + case igc_i225: + 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; + + info->tx_types = + BIT(HWTSTAMP_TX_OFF) | + BIT(HWTSTAMP_TX_ON); + + info->rx_filters = BIT(HWTSTAMP_FILTER_NONE); + info->rx_filters |= BIT(HWTSTAMP_FILTER_ALL); + + return 0; + default: + return -EOPNOTSUPP; + } +} + static u32 igc_get_priv_flags(struct net_device *netdev) { struct igc_adapter *adapter = netdev_priv(netdev); @@ -1847,6 +1880,7 @@ static const struct ethtool_ops igc_ethtool_ops = { .get_rxfh_indir_size = igc_get_rxfh_indir_size, .get_rxfh = igc_get_rxfh, .set_rxfh = igc_set_rxfh, + .get_ts_info = igc_get_ts_info, .get_channels = igc_get_channels, .set_channels = igc_set_channels, .get_priv_flags = igc_get_priv_flags, |