X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fcnxk%2Fcn10k_ethdev.c;h=e57847ef3a7e1ff771ebe428bb5b399c6afb8f54;hb=fe3833ed2222c369f9b60c0be520dee6e875dcdf;hp=c6890f3699139a222290db8cd402baa832b85a63;hpb=fb35a2c703ca5e05067a2f94965a06da8626875d;p=dpdk.git

diff --git a/drivers/net/cnxk/cn10k_ethdev.c b/drivers/net/cnxk/cn10k_ethdev.c
index c6890f3699..e57847ef3a 100644
--- a/drivers/net/cnxk/cn10k_ethdev.c
+++ b/drivers/net/cnxk/cn10k_ethdev.c
@@ -428,6 +428,27 @@ cn10k_nix_timesync_disable(struct rte_eth_dev *eth_dev)
 	return 0;
 }
 
+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;
+}
+
 static int
 cn10k_nix_dev_start(struct rte_eth_dev *eth_dev)
 {
@@ -499,6 +520,8 @@ nix_eth_dev_ops_override(void)
 	cnxk_eth_dev_ops.timesync_disable = cn10k_nix_timesync_disable;
 	cnxk_eth_dev_ops.rx_metadata_negotiate =
 		cn10k_nix_rx_metadata_negotiate;
+	cnxk_eth_dev_ops.timesync_read_tx_timestamp =
+		cn10k_nix_timesync_read_tx_timestamp;
 }
 
 static void