read device clock
Signed-off-by: Srikanth Kaka <srikant...@oneconvergence.com>
Signed-off-by: Vag Singh <vag.si...@oneconvergence.com>
Signed-off-by: Anand Thulasiram <av...@juniper.net>
---
drivers/net/mlx5/freebsd/mlx5_ethdev_os.c | 31 +++++++++++++++++++++++
1 file changed, 31 insertions(+)
diff --git a/drivers/net/mlx5/freebsd/mlx5_ethdev_os.c
b/drivers/net/mlx5/freebsd/mlx5_ethdev_os.c
index d100addd51..5d66f17513 100644
--- a/drivers/net/mlx5/freebsd/mlx5_ethdev_os.c
+++ b/drivers/net/mlx5/freebsd/mlx5_ethdev_os.c
@@ -11,6 +11,7 @@
#include <ethdev_driver.h>
+#include <mlx5_glue.h>
#include <mlx5_common.h>
#include "mlx5.h"
@@ -165,6 +166,36 @@ mlx5_set_flags(struct rte_eth_dev *dev, unsigned int keep,
unsigned int flags)
return mlx5_ifreq(dev, SIOCSIFFLAGS, &request);
}
+/**
+ * Get device current raw clock counter
+ *
+ * @param dev
+ * Pointer to Ethernet device structure.
+ * @param[out] time
+ * Current raw clock counter of the device.
+ *
+ * @return
+ * 0 if the clock has correctly been read
+ * The value of errno in case of error
+ */
+int
+mlx5_read_clock(struct rte_eth_dev *dev, uint64_t *clock)
+{
+ struct mlx5_priv *priv = dev->data->dev_private;
+ struct ibv_context *ctx = priv->sh->ctx;
+ struct ibv_values_ex values;
+ int err = 0;
+
+ values.comp_mask = IBV_VALUES_MASK_RAW_CLOCK;
+ err = mlx5_glue->query_rt_values_ex(ctx, &values);
+ if (err != 0) {
+ DRV_LOG(WARNING, "Could not query the clock !");
+ return err;
+ }
+ *clock = values.raw_clock.tv_nsec;
+ return 0;
+}
+
static const struct ifmedia_baudrate ifmedia_baudrate_desc[] =
IFM_BAUDRATE_DESCRIPTIONS;
--
2.30.2
