diff options
Diffstat (limited to 'drivers/net/ethernet/intel/igb/igb_main.c')
| -rw-r--r-- | drivers/net/ethernet/intel/igb/igb_main.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 135ac5c45ab..e84416286dd 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -5387,14 +5387,26 @@ void igb_update_stats(struct igb_adapter *adapter, static void igb_tsync_interrupt(struct igb_adapter *adapter) { struct e1000_hw *hw = &adapter->hw; - u32 tsicr = rd32(E1000_TSICR); + struct ptp_clock_event event; + u32 ack = 0, tsicr = rd32(E1000_TSICR); + + if (tsicr & TSINTR_SYS_WRAP) { + event.type = PTP_CLOCK_PPS; + if (adapter->ptp_caps.pps) + ptp_clock_event(adapter->ptp_clock, &event); + else + dev_err(&adapter->pdev->dev, "unexpected SYS WRAP"); + ack |= TSINTR_SYS_WRAP; + } if (tsicr & E1000_TSICR_TXTS) { - /* acknowledge the interrupt */ - wr32(E1000_TSICR, E1000_TSICR_TXTS); /* retrieve hardware timestamp */ schedule_work(&adapter->ptp_tx_work); + ack |= E1000_TSICR_TXTS; } + + /* acknowledge the interrupts */ + wr32(E1000_TSICR, ack); } static irqreturn_t igb_msix_other(int irq, void *data) |