net/octeontx2: support read clock

[dpdk.git] / drivers / net / octeontx2 / otx2_ethdev.c

diff --git a/drivers/net/octeontx2/otx2_ethdev.c b/drivers/net/octeontx2/otx2_ethdev.c
index 595c800..3fb7bd9 100644 (file)
--- a/drivers/net/octeontx2/otx2_ethdev.c
+++ b/drivers/net/octeontx2/otx2_ethdev.c
@@ -3,7 +3,6 @@
  */
 
 #include <inttypes.h>
-#include <math.h>
 
 #include <rte_ethdev_pci.h>
 #include <rte_io.h>
@@ -521,6 +520,20 @@ otx2_nix_rx_queue_setup(struct rte_eth_dev *eth_dev, uint16_t rq,
 
        eth_dev->data->rx_queues[rq] = rxq;
        eth_dev->data->rx_queue_state[rq] = RTE_ETH_QUEUE_STATE_STOPPED;
+
+       /* Calculating delta and freq mult between PTP HI clock and tsc.
+        * These are needed in deriving raw clock value from tsc counter.
+        * read_clock eth op returns raw clock value.
+        */
+       if ((dev->rx_offloads & DEV_RX_OFFLOAD_TIMESTAMP) ||
+           otx2_ethdev_is_ptp_en(dev)) {
+               rc = otx2_nix_raw_clock_tsc_conv(dev);
+               if (rc) {
+                       otx2_err("Failed to calculate delta and freq mult");
+                       goto fail;
+               }
+       }
+
        return 0;
 
 free_rxq:
@@ -1649,6 +1662,7 @@ static const struct eth_dev_ops otx2_eth_dev_ops = {
        .vlan_pvid_set            = otx2_nix_vlan_pvid_set,
        .rx_queue_intr_enable     = otx2_nix_rx_queue_intr_enable,
        .rx_queue_intr_disable    = otx2_nix_rx_queue_intr_disable,
+       .read_clock               = otx2_nix_read_clock,
 };
 
 static inline int