[Intel-wired-lan] [net v2 1/5] igb: introduce ptp_flags variable and use it to replace IGB_FLAG_PTP
Jacob Keller
jacob.e.keller at intel.com
Wed May 11 23:18:20 UTC 2016
Upcoming patches will introduce new PTP specific flags. To avoid
cluttering the normal flags variable, introduce PTP specific "ptp_flags"
variable for this purpose, and move IGB_FLAG_PTP to become
IGB_PTP_ENABLED.
Signed-off-by: Jacob Keller <jacob.e.keller at intel.com>
---
drivers/net/ethernet/intel/igb/igb.h | 5 ++++-
drivers/net/ethernet/intel/igb/igb_ptp.c | 8 ++++----
2 files changed, 8 insertions(+), 5 deletions(-)
diff --git a/drivers/net/ethernet/intel/igb/igb.h b/drivers/net/ethernet/intel/igb/igb.h
index b9609afa5ca3..1e18a9eb16e0 100644
--- a/drivers/net/ethernet/intel/igb/igb.h
+++ b/drivers/net/ethernet/intel/igb/igb.h
@@ -445,6 +445,7 @@ struct igb_adapter {
unsigned long ptp_tx_start;
unsigned long last_rx_ptp_check;
unsigned long last_rx_timestamp;
+ unsigned int ptp_flags;
spinlock_t tmreg_lock;
struct cyclecounter cc;
struct timecounter tc;
@@ -474,12 +475,14 @@ struct igb_adapter {
u16 eee_advert;
};
+/* flags controlling PTP/1588 function */
+#define IGB_PTP_ENABLED BIT(0)
+
#define IGB_FLAG_HAS_MSI BIT(0)
#define IGB_FLAG_DCA_ENABLED BIT(1)
#define IGB_FLAG_QUAD_PORT_A BIT(2)
#define IGB_FLAG_QUEUE_PAIRS BIT(3)
#define IGB_FLAG_DMAC BIT(4)
-#define IGB_FLAG_PTP BIT(5)
#define IGB_FLAG_RSS_FIELD_IPV4_UDP BIT(6)
#define IGB_FLAG_RSS_FIELD_IPV6_UDP BIT(7)
#define IGB_FLAG_WOL_SUPPORTED BIT(8)
diff --git a/drivers/net/ethernet/intel/igb/igb_ptp.c b/drivers/net/ethernet/intel/igb/igb_ptp.c
index f097c5a8ab93..88e3b40415a1 100644
--- a/drivers/net/ethernet/intel/igb/igb_ptp.c
+++ b/drivers/net/ethernet/intel/igb/igb_ptp.c
@@ -684,7 +684,7 @@ void igb_ptp_rx_hang(struct igb_adapter *adapter)
u32 tsyncrxctl = rd32(E1000_TSYNCRXCTL);
unsigned long rx_event;
- if (hw->mac.type != e1000_82576)
+ if (!(adapter->ptp_flags & IGB_PTP_ENABLED))
return;
/* If we don't have a valid timestamp in the registers, just update the
@@ -1156,7 +1156,7 @@ void igb_ptp_init(struct igb_adapter *adapter)
} else {
dev_info(&adapter->pdev->dev, "added PHC on %s\n",
adapter->netdev->name);
- adapter->flags |= IGB_FLAG_PTP;
+ adapter->ptp_flags |= IGB_PTP_ENABLED;
}
}
@@ -1194,7 +1194,7 @@ void igb_ptp_stop(struct igb_adapter *adapter)
ptp_clock_unregister(adapter->ptp_clock);
dev_info(&adapter->pdev->dev, "removed PHC on %s\n",
adapter->netdev->name);
- adapter->flags &= ~IGB_FLAG_PTP;
+ adapter->ptp_flags &= ~IGB_PTP_ENABLED;
}
}
@@ -1209,7 +1209,7 @@ void igb_ptp_reset(struct igb_adapter *adapter)
struct e1000_hw *hw = &adapter->hw;
unsigned long flags;
- if (!(adapter->flags & IGB_FLAG_PTP))
+ if (!(adapter->ptp_flags & IGB_PTP_ENABLED))
return;
/* reset the tstamp_config */
--
2.8.1.493.g7b22612
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