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path: root/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
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Diffstat (limited to 'drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c')
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c39
1 files changed, 28 insertions, 11 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
index 5184e2a1a7d8..63515a6f67fa 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
@@ -20,6 +20,7 @@
the file called "COPYING".
Contact Information:
+ Linux NICS <linux.nics@intel.com>
e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
@@ -492,6 +493,7 @@ static void ixgbe_ptp_tx_hwtstamp(struct ixgbe_adapter *adapter)
dev_kfree_skb_any(adapter->ptp_tx_skb);
adapter->ptp_tx_skb = NULL;
+ clear_bit_unlock(__IXGBE_PTP_TX_IN_PROGRESS, &adapter->state);
}
/**
@@ -511,13 +513,10 @@ static void ixgbe_ptp_tx_hwtstamp_work(struct work_struct *work)
IXGBE_PTP_TX_TIMEOUT);
u32 tsynctxctl;
- /* we have to have a valid skb */
- if (!adapter->ptp_tx_skb)
- return;
-
if (timeout) {
dev_kfree_skb_any(adapter->ptp_tx_skb);
adapter->ptp_tx_skb = NULL;
+ clear_bit_unlock(__IXGBE_PTP_TX_IN_PROGRESS, &adapter->state);
e_warn(drv, "clearing Tx Timestamp hang");
return;
}
@@ -576,14 +575,21 @@ void __ixgbe_ptp_rx_hwtstamp(struct ixgbe_q_vector *q_vector,
shhwtstamps->hwtstamp = ns_to_ktime(ns);
}
+int ixgbe_ptp_get_ts_config(struct ixgbe_adapter *adapter, struct ifreq *ifr)
+{
+ struct hwtstamp_config *config = &adapter->tstamp_config;
+
+ return copy_to_user(ifr->ifr_data, config,
+ sizeof(*config)) ? -EFAULT : 0;
+}
+
/**
- * ixgbe_ptp_hwtstamp_ioctl - control hardware time stamping
+ * ixgbe_ptp_set_ts_config - control hardware time stamping
* @adapter: pointer to adapter struct
* @ifreq: ioctl data
- * @cmd: particular ioctl requested
*
* Outgoing time stamping can be enabled and disabled. Play nice and
- * disable it when requested, although it shouldn't case any overhead
+ * disable it when requested, although it shouldn't cause any overhead
* when no packet needs it. At most one packet in the queue may be
* marked for time stamping, otherwise it would be impossible to tell
* for sure to which packet the hardware time stamp belongs.
@@ -599,8 +605,7 @@ void __ixgbe_ptp_rx_hwtstamp(struct ixgbe_q_vector *q_vector,
* Event mode. This more accurately tells the user what the hardware is going
* to do anyways.
*/
-int ixgbe_ptp_hwtstamp_ioctl(struct ixgbe_adapter *adapter,
- struct ifreq *ifr, int cmd)
+int ixgbe_ptp_set_ts_config(struct ixgbe_adapter *adapter, struct ifreq *ifr)
{
struct ixgbe_hw *hw = &adapter->hw;
struct hwtstamp_config config;
@@ -702,6 +707,10 @@ int ixgbe_ptp_hwtstamp_ioctl(struct ixgbe_adapter *adapter,
regval = IXGBE_READ_REG(hw, IXGBE_TXSTMPH);
regval = IXGBE_READ_REG(hw, IXGBE_RXSTMPH);
+ /* save these settings for future reference */
+ memcpy(&adapter->tstamp_config, &config,
+ sizeof(adapter->tstamp_config));
+
return copy_to_user(ifr->ifr_data, &config, sizeof(config)) ?
-EFAULT : 0;
}
@@ -809,6 +818,9 @@ void ixgbe_ptp_reset(struct ixgbe_adapter *adapter)
IXGBE_WRITE_REG(hw, IXGBE_SYSTIMH, 0x00000000);
IXGBE_WRITE_FLUSH(hw);
+ /* Reset the saved tstamp_config */
+ memset(&adapter->tstamp_config, 0, sizeof(adapter->tstamp_config));
+
ixgbe_ptp_start_cyclecounter(adapter);
spin_lock_irqsave(&adapter->tmreg_lock, flags);
@@ -840,7 +852,9 @@ void ixgbe_ptp_init(struct ixgbe_adapter *adapter)
switch (adapter->hw.mac.type) {
case ixgbe_mac_X540:
- snprintf(adapter->ptp_caps.name, 16, "%s", netdev->name);
+ snprintf(adapter->ptp_caps.name,
+ sizeof(adapter->ptp_caps.name),
+ "%s", netdev->name);
adapter->ptp_caps.owner = THIS_MODULE;
adapter->ptp_caps.max_adj = 250000000;
adapter->ptp_caps.n_alarm = 0;
@@ -854,7 +868,9 @@ void ixgbe_ptp_init(struct ixgbe_adapter *adapter)
adapter->ptp_caps.enable = ixgbe_ptp_enable;
break;
case ixgbe_mac_82599EB:
- snprintf(adapter->ptp_caps.name, 16, "%s", netdev->name);
+ snprintf(adapter->ptp_caps.name,
+ sizeof(adapter->ptp_caps.name),
+ "%s", netdev->name);
adapter->ptp_caps.owner = THIS_MODULE;
adapter->ptp_caps.max_adj = 250000000;
adapter->ptp_caps.n_alarm = 0;
@@ -911,6 +927,7 @@ void ixgbe_ptp_stop(struct ixgbe_adapter *adapter)
if (adapter->ptp_tx_skb) {
dev_kfree_skb_any(adapter->ptp_tx_skb);
adapter->ptp_tx_skb = NULL;
+ clear_bit_unlock(__IXGBE_PTP_TX_IN_PROGRESS, &adapter->state);
}
if (adapter->ptp_clock) {