+static int
+cn10k_nix_timesync_read_tx_timestamp(struct rte_eth_dev *eth_dev,
+ struct timespec *timestamp)
+{
+ struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+ struct cnxk_timesync_info *tstamp = &dev->tstamp;
+ uint64_t ns;
+
+ if (*tstamp->tx_tstamp == 0)
+ return -EINVAL;
+
+ *tstamp->tx_tstamp = ((*tstamp->tx_tstamp >> 32) * NSEC_PER_SEC) +
+ (*tstamp->tx_tstamp & 0xFFFFFFFFUL);
+ ns = rte_timecounter_update(&dev->tx_tstamp_tc, *tstamp->tx_tstamp);
+ *timestamp = rte_ns_to_timespec(ns);
+ *tstamp->tx_tstamp = 0;
+ rte_wmb();
+
+ return 0;
+}
+