[PATCH v1 2/6] net/intel: add read clock feature in ICE

[Soumyadeep Hore]

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

Signed-off-by: Soumyadeep Hore <soumyadeep.h...@intel.com>
---
 drivers/net/intel/ice/ice_ethdev.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/net/intel/ice/ice_ethdev.c 
b/drivers/net/intel/ice/ice_ethdev.c
index 7cc083ca32..9478ba92df 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 eth_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                                       = eth_ice_read_clock,
        .tm_ops_get                   = ice_tm_ops_get,
        .fec_get_capability           = ice_fec_get_capability,
        .fec_get                      = ice_fec_get,
@@ -6935,6 +6937,17 @@ ice_timesync_disable(struct rte_eth_dev *dev)
        return 0;
 }
 
+static int
+eth_ice_read_clock(__rte_unused struct rte_eth_dev *dev, uint64_t *clock)
+{
+       struct timespec system_time;
+
+       clock_gettime(CLOCK_REALTIME, &system_time);
+       *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