summaryrefslogtreecommitdiff
path: root/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c')
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c28
1 files changed, 15 insertions, 13 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
index 0310af851086..9339edbd9082 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
@@ -979,6 +979,7 @@ static int ixgbe_ptp_set_timestamp_mode(struct ixgbe_adapter *adapter,
u32 tsync_tx_ctl = IXGBE_TSYNCTXCTL_ENABLED;
u32 tsync_rx_ctl = IXGBE_TSYNCRXCTL_ENABLED;
u32 tsync_rx_mtrl = PTP_EV_PORT << 16;
+ u32 aflags = adapter->flags;
bool is_l2 = false;
u32 regval;
@@ -996,20 +997,20 @@ static int ixgbe_ptp_set_timestamp_mode(struct ixgbe_adapter *adapter,
case HWTSTAMP_FILTER_NONE:
tsync_rx_ctl = 0;
tsync_rx_mtrl = 0;
- adapter->flags &= ~(IXGBE_FLAG_RX_HWTSTAMP_ENABLED |
- IXGBE_FLAG_RX_HWTSTAMP_IN_REGISTER);
+ aflags &= ~(IXGBE_FLAG_RX_HWTSTAMP_ENABLED |
+ IXGBE_FLAG_RX_HWTSTAMP_IN_REGISTER);
break;
case HWTSTAMP_FILTER_PTP_V1_L4_SYNC:
tsync_rx_ctl |= IXGBE_TSYNCRXCTL_TYPE_L4_V1;
tsync_rx_mtrl |= IXGBE_RXMTRL_V1_SYNC_MSG;
- adapter->flags |= (IXGBE_FLAG_RX_HWTSTAMP_ENABLED |
- IXGBE_FLAG_RX_HWTSTAMP_IN_REGISTER);
+ aflags |= (IXGBE_FLAG_RX_HWTSTAMP_ENABLED |
+ IXGBE_FLAG_RX_HWTSTAMP_IN_REGISTER);
break;
case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ:
tsync_rx_ctl |= IXGBE_TSYNCRXCTL_TYPE_L4_V1;
tsync_rx_mtrl |= IXGBE_RXMTRL_V1_DELAY_REQ_MSG;
- adapter->flags |= (IXGBE_FLAG_RX_HWTSTAMP_ENABLED |
- IXGBE_FLAG_RX_HWTSTAMP_IN_REGISTER);
+ aflags |= (IXGBE_FLAG_RX_HWTSTAMP_ENABLED |
+ IXGBE_FLAG_RX_HWTSTAMP_IN_REGISTER);
break;
case HWTSTAMP_FILTER_PTP_V2_EVENT:
case HWTSTAMP_FILTER_PTP_V2_L2_EVENT:
@@ -1023,8 +1024,8 @@ static int ixgbe_ptp_set_timestamp_mode(struct ixgbe_adapter *adapter,
tsync_rx_ctl |= IXGBE_TSYNCRXCTL_TYPE_EVENT_V2;
is_l2 = true;
config->rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT;
- adapter->flags |= (IXGBE_FLAG_RX_HWTSTAMP_ENABLED |
- IXGBE_FLAG_RX_HWTSTAMP_IN_REGISTER);
+ aflags |= (IXGBE_FLAG_RX_HWTSTAMP_ENABLED |
+ IXGBE_FLAG_RX_HWTSTAMP_IN_REGISTER);
break;
case HWTSTAMP_FILTER_PTP_V1_L4_EVENT:
case HWTSTAMP_FILTER_NTP_ALL:
@@ -1035,7 +1036,7 @@ static int ixgbe_ptp_set_timestamp_mode(struct ixgbe_adapter *adapter,
if (hw->mac.type >= ixgbe_mac_X550) {
tsync_rx_ctl |= IXGBE_TSYNCRXCTL_TYPE_ALL;
config->rx_filter = HWTSTAMP_FILTER_ALL;
- adapter->flags |= IXGBE_FLAG_RX_HWTSTAMP_ENABLED;
+ aflags |= IXGBE_FLAG_RX_HWTSTAMP_ENABLED;
break;
}
fallthrough;
@@ -1046,8 +1047,6 @@ static int ixgbe_ptp_set_timestamp_mode(struct ixgbe_adapter *adapter,
* Delay_Req messages and hardware does not support
* timestamping all packets => return error
*/
- adapter->flags &= ~(IXGBE_FLAG_RX_HWTSTAMP_ENABLED |
- IXGBE_FLAG_RX_HWTSTAMP_IN_REGISTER);
config->rx_filter = HWTSTAMP_FILTER_NONE;
return -ERANGE;
}
@@ -1079,8 +1078,8 @@ static int ixgbe_ptp_set_timestamp_mode(struct ixgbe_adapter *adapter,
IXGBE_TSYNCRXCTL_TYPE_ALL |
IXGBE_TSYNCRXCTL_TSIP_UT_EN;
config->rx_filter = HWTSTAMP_FILTER_ALL;
- adapter->flags |= IXGBE_FLAG_RX_HWTSTAMP_ENABLED;
- adapter->flags &= ~IXGBE_FLAG_RX_HWTSTAMP_IN_REGISTER;
+ aflags |= IXGBE_FLAG_RX_HWTSTAMP_ENABLED;
+ aflags &= ~IXGBE_FLAG_RX_HWTSTAMP_IN_REGISTER;
is_l2 = true;
break;
default:
@@ -1113,6 +1112,9 @@ static int ixgbe_ptp_set_timestamp_mode(struct ixgbe_adapter *adapter,
IXGBE_WRITE_FLUSH(hw);
+ /* configure adapter flags only when HW is actually configured */
+ adapter->flags = aflags;
+
/* clear TX/RX time stamp registers, just to be sure */
ixgbe_ptp_clear_tx_timestamp(adapter);
IXGBE_READ_REG(hw, IXGBE_RXSTMPH);