@@ -305,6 +305,13 @@ void i40e_ptp_tx_hwtstamp(struct i40e_pf *pf)
u32 hi, lo;
u64 ns;
+ if (!(pf->flags & I40E_FLAG_PTP) || !pf->ptp_tx)
+ return;
+
+ /* don't attempt to timestamp if we don't have an skb */
+ if (!pf->ptp_tx_skb)
+ return;
+
lo = rd32(hw, I40E_PRTTSYN_TXTIME_L);
hi = rd32(hw, I40E_PRTTSYN_TXTIME_H);
@@ -338,7 +345,7 @@ void i40e_ptp_rx_hwtstamp(struct i40e_pf *pf, struct sk_buff *skb, u8 index)
/* Since we cannot turn off the Rx timestamp logic if the device is
* doing Tx timestamping, check if Rx timestamping is configured.
*/
- if (!pf->ptp_rx)
+ if (!(pf->flags & I40E_FLAG_PTP) || !pf->ptp_rx)
return;
hw = &pf->hw;
@@ -1939,6 +1939,9 @@ static int i40e_tsyn(struct i40e_ring *tx_ring, struct sk_buff *skb,
* we are not already transmitting a packet to be timestamped
*/
pf = i40e_netdev_to_pf(tx_ring->netdev);
+ if (!(pf->flags & I40E_FLAG_PTP))
+ return 0;
+
if (pf->ptp_tx &&
!test_and_set_bit_lock(__I40E_PTP_TX_IN_PROGRESS, &pf->state)) {
skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS;