[dpdk-dev] [PATCH v2 57/62] net/cnxk: add Rx/Tx timestamp read operations

[Nithin Dabilpuram <ndabilpuram@marvell.com>]

From: Sunil Kumar Kori <skori@marvell.com>

Patch implements Rx/Tx timestamp read operations for cn9k
and cn10k platforms.

Signed-off-by: Sunil Kumar Kori <skori@marvell.com>
---
 drivers/net/cnxk/cnxk_ethdev.c |  2 ++
 drivers/net/cnxk/cnxk_ethdev.h |  5 +++++
 drivers/net/cnxk/cnxk_ptp.c    | 38 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 45 insertions(+)

diff --git a/drivers/net/cnxk/cnxk_ethdev.c b/drivers/net/cnxk/cnxk_ethdev.c
index e501ab0..68aaf27 100644
--- a/drivers/net/cnxk/cnxk_ethdev.c
+++ b/drivers/net/cnxk/cnxk_ethdev.c
@@ -1231,6 +1231,8 @@ struct eth_dev_ops cnxk_eth_dev_ops = {
 	.tx_done_cleanup = cnxk_nix_tx_done_cleanup,
 	.flow_ops_get = cnxk_nix_flow_ops_get,
 	.get_reg = cnxk_nix_dev_get_reg,
+	.timesync_read_rx_timestamp = cnxk_nix_timesync_read_rx_timestamp,
+	.timesync_read_tx_timestamp = cnxk_nix_timesync_read_tx_timestamp,
 };
 
 static int
diff --git a/drivers/net/cnxk/cnxk_ethdev.h b/drivers/net/cnxk/cnxk_ethdev.h
index 303d205..c03dbc5 100644
--- a/drivers/net/cnxk/cnxk_ethdev.h
+++ b/drivers/net/cnxk/cnxk_ethdev.h
@@ -296,6 +296,11 @@ int cnxk_nix_tx_queue_stop(struct rte_eth_dev *eth_dev, uint16_t qid);
 int cnxk_nix_dev_start(struct rte_eth_dev *eth_dev);
 int cnxk_nix_timesync_enable(struct rte_eth_dev *eth_dev);
 int cnxk_nix_timesync_disable(struct rte_eth_dev *eth_dev);
+int cnxk_nix_timesync_read_rx_timestamp(struct rte_eth_dev *eth_dev,
+					struct timespec *timestamp,
+					uint32_t flags);
+int cnxk_nix_timesync_read_tx_timestamp(struct rte_eth_dev *eth_dev,
+					struct timespec *timestamp);
 int cnxk_nix_tsc_convert(struct cnxk_eth_dev *dev);
 
 uint64_t cnxk_nix_rxq_mbuf_setup(struct cnxk_eth_dev *dev);
diff --git a/drivers/net/cnxk/cnxk_ptp.c b/drivers/net/cnxk/cnxk_ptp.c
index fc317965..7b00f87 100644
--- a/drivers/net/cnxk/cnxk_ptp.c
+++ b/drivers/net/cnxk/cnxk_ptp.c
@@ -56,6 +56,44 @@ cnxk_nix_tsc_convert(struct cnxk_eth_dev *dev)
 }
 
 int
+cnxk_nix_timesync_read_rx_timestamp(struct rte_eth_dev *eth_dev,
+				    struct timespec *timestamp, uint32_t flags)
+{
+	struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+	struct cnxk_timesync_info *tstamp = &dev->tstamp;
+	uint64_t ns;
+
+	PLT_SET_USED(flags);
+
+	if (!tstamp->rx_ready)
+		return -EINVAL;
+
+	ns = rte_timecounter_update(&dev->rx_tstamp_tc, tstamp->rx_tstamp);
+	*timestamp = rte_ns_to_timespec(ns);
+	tstamp->rx_ready = 0;
+	return 0;
+}
+
+int
+cnxk_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;
+
+	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;
+}
+
+int
 cnxk_nix_timesync_enable(struct rte_eth_dev *eth_dev)
 {
 	struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
-- 
2.8.4