diff options
| -rw-r--r-- | drivers/net/ethernet/intel/igb/igb_main.c | 20 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/igb/igb_ptp.c | 36 |
2 files changed, 51 insertions, 5 deletions
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index bf8fb4347bc5..4603ae35fcab 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -6820,18 +6820,30 @@ static void igb_perout(struct igb_adapter *adapter, int tsintr_tt) static void igb_extts(struct igb_adapter *adapter, int tsintr_tt) { int pin = ptp_find_pin(adapter->ptp_clock, PTP_PF_EXTTS, tsintr_tt); + int auxstmpl = (tsintr_tt == 1) ? E1000_AUXSTMPL1 : E1000_AUXSTMPL0; + int auxstmph = (tsintr_tt == 1) ? E1000_AUXSTMPH1 : E1000_AUXSTMPH0; struct e1000_hw *hw = &adapter->hw; struct ptp_clock_event event; - u32 sec, nsec; + struct timespec64 ts; if (pin < 0 || pin >= IGB_N_EXTTS) return; - nsec = rd32((tsintr_tt == 1) ? E1000_AUXSTMPL1 : E1000_AUXSTMPL0); - sec = rd32((tsintr_tt == 1) ? E1000_AUXSTMPH1 : E1000_AUXSTMPH0); + if (hw->mac.type == e1000_82580 || + hw->mac.type == e1000_i354 || + hw->mac.type == e1000_i350) { + s64 ns = rd32(auxstmpl); + + ns += ((s64)(rd32(auxstmph) & 0xFF)) << 32; + ts = ns_to_timespec64(ns); + } else { + ts.tv_nsec = rd32(auxstmpl); + ts.tv_sec = rd32(auxstmph); + } + event.type = PTP_CLOCK_EXTTS; event.index = tsintr_tt; - event.timestamp = sec * 1000000000ULL + nsec; + event.timestamp = ts.tv_sec * 1000000000ULL + ts.tv_nsec; ptp_clock_event(adapter->ptp_clock, &event); } diff --git a/drivers/net/ethernet/intel/igb/igb_ptp.c b/drivers/net/ethernet/intel/igb/igb_ptp.c index 33cde531560a..6580fcddb4be 100644 --- a/drivers/net/ethernet/intel/igb/igb_ptp.c +++ b/drivers/net/ethernet/intel/igb/igb_ptp.c @@ -524,7 +524,41 @@ static int igb_ptp_feature_enable_82580(struct ptp_clock_info *ptp, switch (rq->type) { case PTP_CLK_REQ_EXTTS: - return -EOPNOTSUPP; + /* Reject requests with unsupported flags */ + if (rq->extts.flags & ~(PTP_ENABLE_FEATURE | + PTP_RISING_EDGE | + PTP_FALLING_EDGE | + PTP_STRICT_FLAGS)) + return -EOPNOTSUPP; + + if (on) { + pin = ptp_find_pin(igb->ptp_clock, PTP_PF_EXTTS, + rq->extts.index); + if (pin < 0) + return -EBUSY; + } + if (rq->extts.index == 1) { + tsauxc_mask = TSAUXC_EN_TS1; + tsim_mask = TSINTR_AUTT1; + } else { + tsauxc_mask = TSAUXC_EN_TS0; + tsim_mask = TSINTR_AUTT0; + } + spin_lock_irqsave(&igb->tmreg_lock, flags); + tsauxc = rd32(E1000_TSAUXC); + tsim = rd32(E1000_TSIM); + if (on) { + igb_pin_extts(igb, rq->extts.index, pin); + tsauxc |= tsauxc_mask; + tsim |= tsim_mask; + } else { + tsauxc &= ~tsauxc_mask; + tsim &= ~tsim_mask; + } + wr32(E1000_TSAUXC, tsauxc); + wr32(E1000_TSIM, tsim); + spin_unlock_irqrestore(&igb->tmreg_lock, flags); + return 0; case PTP_CLK_REQ_PEROUT: /* Reject requests with unsupported flags */ |