net/cnxk: support time read/write/adjust

Patch implements read/write/adjust time operations for
cn9k and cn10k platforms.

Signed-off-by: Sunil Kumar Kori <skori@marvell.com>

diff --git a/drivers/net/cnxk/cnxk_ethdev.c b/drivers/net/cnxk/cnxk_ethdev.c
index cb583b4..c8bbb7a 100644 (file)
--- a/drivers/net/cnxk/cnxk_ethdev.c
+++ b/drivers/net/cnxk/cnxk_ethdev.c
@@ -1262,6 +1262,9 @@ struct eth_dev_ops cnxk_eth_dev_ops = {
        .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,
+       .timesync_read_time = cnxk_nix_timesync_read_time,
+       .timesync_write_time = cnxk_nix_timesync_write_time,
+       .timesync_adjust_time = cnxk_nix_timesync_adjust_time,
 };
 
 static int

diff --git a/drivers/net/cnxk/cnxk_ethdev.h b/drivers/net/cnxk/cnxk_ethdev.h
index 76df84a..4214365 100644 (file)
--- a/drivers/net/cnxk/cnxk_ethdev.h
+++ b/drivers/net/cnxk/cnxk_ethdev.h
@@ -317,6 +317,11 @@ int cnxk_nix_timesync_read_rx_timestamp(struct rte_eth_dev *eth_dev,
                                        uint32_t flags);
 int cnxk_nix_timesync_read_tx_timestamp(struct rte_eth_dev *eth_dev,
                                        struct timespec *timestamp);
+int cnxk_nix_timesync_read_time(struct rte_eth_dev *eth_dev,
+                               struct timespec *ts);
+int cnxk_nix_timesync_write_time(struct rte_eth_dev *eth_dev,
+                                const struct timespec *ts);
+int cnxk_nix_timesync_adjust_time(struct rte_eth_dev *eth_dev, int64_t delta);
 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 7b00f87..52f6eb1 100644 (file)
--- a/drivers/net/cnxk/cnxk_ptp.c
+++ b/drivers/net/cnxk/cnxk_ptp.c
@@ -55,6 +55,69 @@ fail:
        return rc;
 }
 
+int
+cnxk_nix_timesync_read_time(struct rte_eth_dev *eth_dev, struct timespec *ts)
+{
+       struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+       struct roc_nix *nix = &dev->nix;
+       uint64_t clock, ns;
+       int rc;
+
+       rc = roc_nix_ptp_clock_read(nix, &clock, NULL, false);
+       if (rc)
+               return rc;
+
+       ns = rte_timecounter_update(&dev->systime_tc, clock);
+       *ts = rte_ns_to_timespec(ns);
+       return 0;
+}
+
+int
+cnxk_nix_timesync_write_time(struct rte_eth_dev *eth_dev,
+                            const struct timespec *ts)
+{
+       struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+       uint64_t ns;
+
+       ns = rte_timespec_to_ns(ts);
+       /* Set the time counters to a new value. */
+       dev->systime_tc.nsec = ns;
+       dev->rx_tstamp_tc.nsec = ns;
+       dev->tx_tstamp_tc.nsec = ns;
+
+       return 0;
+}
+
+int
+cnxk_nix_timesync_adjust_time(struct rte_eth_dev *eth_dev, int64_t delta)
+{
+       struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+       struct roc_nix *nix = &dev->nix;
+       int rc;
+
+       /* Adjust the frequent to make tics increments in 10^9 tics per sec */
+       if (delta < ROC_NIX_PTP_FREQ_ADJUST &&
+           delta > -ROC_NIX_PTP_FREQ_ADJUST) {
+               rc = roc_nix_ptp_sync_time_adjust(nix, delta);
+               if (rc)
+                       return rc;
+
+               /* Since the frequency of PTP comp register is tuned, delta and
+                * freq mult calculation for deriving PTP_HI from timestamp
+                * counter should be done again.
+                */
+               rc = cnxk_nix_tsc_convert(dev);
+               if (rc)
+                       plt_err("Failed to calculate delta and freq mult");
+       }
+
+       dev->systime_tc.nsec += delta;
+       dev->rx_tstamp_tc.nsec += delta;
+       dev->tx_tstamp_tc.nsec += delta;
+
+       return 0;
+}
+
 int
 cnxk_nix_timesync_read_rx_timestamp(struct rte_eth_dev *eth_dev,
                                    struct timespec *timestamp, uint32_t flags)