[PATCH v6 2/4] net/ice: add read clock feature

[Soumyadeep Hore <soumyadeep.hore@intel.com>]

Adding eth_ice_read_clock() feature to get current time
for scheduling Packets based on Tx time.

Signed-off-by: Soumyadeep Hore <soumyadeep.hore@intel.com>
---
 drivers/net/intel/ice/ice_ethdev.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/drivers/net/intel/ice/ice_ethdev.c b/drivers/net/intel/ice/ice_ethdev.c
index 7cc083ca32..3d4c855cbe 100644
--- a/drivers/net/intel/ice/ice_ethdev.c
+++ b/drivers/net/intel/ice/ice_ethdev.c
@@ -187,6 +187,7 @@ static int ice_timesync_read_time(struct rte_eth_dev *dev,
 static int ice_timesync_write_time(struct rte_eth_dev *dev,
 				   const struct timespec *timestamp);
 static int ice_timesync_disable(struct rte_eth_dev *dev);
+static int ice_read_clock(struct rte_eth_dev *dev, uint64_t *clock);
 static int ice_fec_get_capability(struct rte_eth_dev *dev, struct rte_eth_fec_capa *speed_fec_capa,
 			   unsigned int num);
 static int ice_fec_get(struct rte_eth_dev *dev, uint32_t *fec_capa);
@@ -317,6 +318,7 @@ static const struct eth_dev_ops ice_eth_dev_ops = {
 	.timesync_read_time           = ice_timesync_read_time,
 	.timesync_write_time          = ice_timesync_write_time,
 	.timesync_disable             = ice_timesync_disable,
+	.read_clock                   = ice_read_clock,
 	.tm_ops_get                   = ice_tm_ops_get,
 	.fec_get_capability           = ice_fec_get_capability,
 	.fec_get                      = ice_fec_get,
@@ -6935,6 +6937,21 @@ ice_timesync_disable(struct rte_eth_dev *dev)
 	return 0;
 }
 
+static int
+ice_read_clock(__rte_unused struct rte_eth_dev *dev, uint64_t *clock)
+{
+	struct timespec system_time;
+
+#ifdef RTE_EXEC_ENV_FREEBSD
+	clock_gettime(CLOCK_MONOTONIC, &system_time);
+#else
+	clock_gettime(CLOCK_MONOTONIC_RAW, &system_time);
+#endif
+	*clock = system_time.tv_sec * NSEC_PER_SEC + system_time.tv_nsec;
+
+	return 0;
+}
+
 static const uint32_t *
 ice_buffer_split_supported_hdr_ptypes_get(struct rte_eth_dev *dev __rte_unused,
 					  size_t *no_of_elements)
-- 
2.43.0