From: JieLiu <liuj...@linkdatatechnology.com>

Add ptp module.

Signed-off-by: Jie Liu <liuj...@linkdatatechnology.com>
---
 drivers/net/sxe/Makefile        |   1 +
 drivers/net/sxe/meson.build     |   1 +
 drivers/net/sxe/pf/sxe.h        |   9 ++
 drivers/net/sxe/pf/sxe_ethdev.c |   9 ++
 drivers/net/sxe/pf/sxe_ptp.c    | 210 ++++++++++++++++++++++++++++++++
 drivers/net/sxe/pf/sxe_ptp.h    |  26 ++++
 6 files changed, 256 insertions(+)
 create mode 100644 drivers/net/sxe/pf/sxe_ptp.c
 create mode 100644 drivers/net/sxe/pf/sxe_ptp.h

diff --git a/drivers/net/sxe/Makefile b/drivers/net/sxe/Makefile
index 5c37b02846..49a144f93d 100644
--- a/drivers/net/sxe/Makefile
+++ b/drivers/net/sxe/Makefile
@@ -72,6 +72,7 @@ SRCS-$(CONFIG_RTE_LIBRTE_SXE_PMD) += sxe_main.c
 SRCS-$(CONFIG_RTE_LIBRTE_SXE_PMD) += sxe_offload.c
 SRCS-$(CONFIG_RTE_LIBRTE_SXE_PMD) += sxe_phy.c
 SRCS-$(CONFIG_RTE_LIBRTE_SXE_PMD) += sxe_pmd_hdc.c
+SRCS-$(CONFIG_RTE_LIBRTE_SXE_PMD) += sxe_ptp.c
 SRCS-$(CONFIG_RTE_LIBRTE_SXE_PMD) += sxe_queue.c
 SRCS-$(CONFIG_RTE_LIBRTE_SXE_PMD) += sxe_rx.c
 SRCS-$(CONFIG_RTE_LIBRTE_SXE_PMD) += sxe_tx.c
diff --git a/drivers/net/sxe/meson.build b/drivers/net/sxe/meson.build
index ff44dd8e38..49a6eebf45 100644
--- a/drivers/net/sxe/meson.build
+++ b/drivers/net/sxe/meson.build
@@ -19,6 +19,7 @@ sources = files(
        'pf/sxe_tx.c',
         'pf/sxe_pmd_hdc.c',
         'pf/sxe_phy.c',
+        'pf/sxe_ptp.c',
         'pf/sxe_dcb.c',
         'base/sxe_queue_common.c',
        'base/sxe_rx_common.c',
diff --git a/drivers/net/sxe/pf/sxe.h b/drivers/net/sxe/pf/sxe.h
index 4863f92165..16597b260d 100644
--- a/drivers/net/sxe/pf/sxe.h
+++ b/drivers/net/sxe/pf/sxe.h
@@ -44,6 +44,14 @@ struct sxe_vlan_context;
 #define rte_sxe_prefetch(p)   do {} while (0)
 #endif
 
+struct sxe_ptp_context {
+       struct rte_timecounter    systime_tc;
+       struct rte_timecounter    rx_tstamp_tc;
+       struct rte_timecounter    tx_tstamp_tc;
+       u32 tx_hwtstamp_sec;
+       u32 tx_hwtstamp_nsec;
+};
+
 struct sxe_adapter {
        struct sxe_hw hw;
 
@@ -51,6 +59,7 @@ struct sxe_adapter {
 
        struct sxe_vlan_context vlan_ctxt;
        struct sxe_mac_filter_context mac_filter_ctxt;
+       struct sxe_ptp_context ptp_ctxt;
        struct sxe_phy_context phy_ctxt;
        struct sxe_dcb_context dcb_ctxt;
 
diff --git a/drivers/net/sxe/pf/sxe_ethdev.c b/drivers/net/sxe/pf/sxe_ethdev.c
index 8cd819cb30..63f57edeee 100644
--- a/drivers/net/sxe/pf/sxe_ethdev.c
+++ b/drivers/net/sxe/pf/sxe_ethdev.c
@@ -39,6 +39,7 @@
 #include "sxe_phy.h"
 #include "sxe_pmd_hdc.h"
 #include "sxe_flow_ctrl.h"
+#include "sxe_ptp.h"
 #include "drv_msg.h"
 #include "sxe_dcb.h"
 #include "sxe_version.h"
@@ -647,6 +648,14 @@ static const struct eth_dev_ops sxe_eth_dev_ops = {
        .flow_ctrl_set          = sxe_flow_ctrl_set,
        .priority_flow_ctrl_set = sxe_priority_flow_ctrl_set,
 
+       .timesync_enable        = sxe_timesync_enable,
+       .timesync_disable       = sxe_timesync_disable,
+       .timesync_read_rx_timestamp = sxe_timesync_read_rx_timestamp,
+       .timesync_read_tx_timestamp = sxe_timesync_read_tx_timestamp,
+       .timesync_adjust_time   = sxe_timesync_adjust_time,
+       .timesync_read_time     = sxe_timesync_read_time,
+       .timesync_write_time    = sxe_timesync_write_time,
+
        .vlan_filter_set          = sxe_vlan_filter_set,
        .vlan_tpid_set          = sxe_vlan_tpid_set,
        .vlan_offload_set        = sxe_vlan_offload_set,
diff --git a/drivers/net/sxe/pf/sxe_ptp.c b/drivers/net/sxe/pf/sxe_ptp.c
new file mode 100644
index 0000000000..1b4564c30e
--- /dev/null
+++ b/drivers/net/sxe/pf/sxe_ptp.c
@@ -0,0 +1,210 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright (C), 2022, Linkdata Technology Co., Ltd.
+ */
+
+#include "sxe.h"
+#include "sxe_logs.h"
+#include "sxe_hw.h"
+#include "sxe_ptp.h"
+
+#define SXE_CYCLECOUNTER_MASK   0xffffffffffffffffULL
+
+static void sxe_timecounters_start(struct rte_eth_dev *dev)
+{
+       struct sxe_adapter *adapter = dev->data->dev_private;
+
+       u32 shift = 0;
+
+       memset(&adapter->ptp_ctxt.systime_tc, 0, sizeof(struct 
rte_timecounter));
+       memset(&adapter->ptp_ctxt.rx_tstamp_tc, 0, sizeof(struct 
rte_timecounter));
+       memset(&adapter->ptp_ctxt.tx_tstamp_tc, 0, sizeof(struct 
rte_timecounter));
+
+       adapter->ptp_ctxt.systime_tc.cc_mask = SXE_CYCLECOUNTER_MASK;
+       adapter->ptp_ctxt.systime_tc.cc_shift = shift;
+       adapter->ptp_ctxt.systime_tc.nsec_mask = (1ULL << shift) - 1;
+
+       adapter->ptp_ctxt.rx_tstamp_tc.cc_mask = SXE_CYCLECOUNTER_MASK;
+       adapter->ptp_ctxt.rx_tstamp_tc.cc_shift = shift;
+       adapter->ptp_ctxt.rx_tstamp_tc.nsec_mask = (1ULL << shift) - 1;
+
+       adapter->ptp_ctxt.tx_tstamp_tc.cc_mask = SXE_CYCLECOUNTER_MASK;
+       adapter->ptp_ctxt.tx_tstamp_tc.cc_shift = shift;
+       adapter->ptp_ctxt.tx_tstamp_tc.nsec_mask = (1ULL << shift) - 1;
+
+       adapter->ptp_ctxt.tx_hwtstamp_nsec = 0;
+       adapter->ptp_ctxt.tx_hwtstamp_sec = 0;
+}
+
+s32 sxe_timesync_enable(struct rte_eth_dev *dev)
+{
+       struct sxe_adapter *adapter = dev->data->dev_private;
+       struct sxe_hw *hw = &adapter->hw;
+       u32 tses = SXE_TSES_TXES_V2_ALL | SXE_TSES_RXES_V2_ALL;
+#ifdef DPDK_24_11_1
+       struct timespec ts;
+
+       memset(&ts, 0, sizeof(struct timespec));
+
+       clock_gettime(CLOCK_REALTIME, &ts);
+#endif
+       sxe_hw_ptp_init(hw);
+
+
+       sxe_hw_ptp_timestamp_mode_set(hw, true, 0, tses);
+
+       sxe_hw_ptp_timestamp_enable(hw);
+
+       sxe_hw_ptp_rx_timestamp_clear(hw);
+
+       sxe_hw_ptp_systime_init(hw);
+
+       sxe_timecounters_start(dev);
+
+#ifdef DPDK_24_11_1
+       sxe_timesync_write_time(dev, &ts);
+#endif
+
+       return 0;
+}
+
+s32 sxe_timesync_disable(struct rte_eth_dev *dev)
+{
+       struct sxe_adapter *adapter = dev->data->dev_private;
+       struct sxe_hw *hw = &adapter->hw;
+
+       sxe_hw_ptp_timestamp_disable(hw);
+
+       sxe_hw_ptp_timestamp_mode_set(hw, false, 0, 0);
+
+       sxe_hw_ptp_time_inc_stop(hw);
+
+       return 0;
+}
+
+s32 sxe_timesync_read_rx_timestamp(struct rte_eth_dev *dev,
+                                struct timespec *timestamp,
+                                u32 flags __rte_unused)
+{
+       struct sxe_adapter *adapter = dev->data->dev_private;
+       struct sxe_hw *hw = &adapter->hw;
+       u64 ns;
+       s32 ret = 0;
+       bool is_valid;
+       u64 rx_tstamp_cycles;
+
+       is_valid = sxe_hw_ptp_is_rx_timestamp_valid(hw);
+       if (!is_valid) {
+               PMD_LOG_ERR(DRV, "no valid ptp timestamp in rx register");
+               ret = -EINVAL;
+               goto l_end;
+       }
+
+       rx_tstamp_cycles = sxe_hw_ptp_rx_timestamp_get(hw);
+       ns = rte_timecounter_update(&adapter->ptp_ctxt.rx_tstamp_tc, 
rx_tstamp_cycles);
+       PMD_LOG_DEBUG(DRV, "got rx_tstamp_cycles = %" SXE_PRIU64 "ns=%" 
SXE_PRIU64,
+                       rx_tstamp_cycles, ns);
+       *timestamp = rte_ns_to_timespec(ns);
+
+l_end:
+       return ret;
+}
+
+static u64 sxe_timesync_tx_tstamp_cycles_get(struct sxe_adapter *adapter)
+{
+       return SXE_TIME_TO_NS(adapter->ptp_ctxt.tx_hwtstamp_nsec,
+                               adapter->ptp_ctxt.tx_hwtstamp_sec);
+}
+
+s32 sxe_timesync_read_tx_timestamp(struct rte_eth_dev *dev,
+                                struct timespec *timestamp)
+{
+       struct sxe_adapter *adapter = dev->data->dev_private;
+       struct sxe_hw *hw = &adapter->hw;
+       u64 ns;
+       s32 ret = 0;
+       u64 tx_tstamp_cycles;
+       u32 ts_sec;
+       u32 ts_ns;
+       u32 last_sec;
+       u32 last_ns;
+       bool tx_tstamp_valid = true;
+       u8 i;
+
+       sxe_hw_ptp_tx_timestamp_get(hw, &ts_sec, &ts_ns);
+       if (ts_ns  != adapter->ptp_ctxt.tx_hwtstamp_nsec ||
+               ts_sec != adapter->ptp_ctxt.tx_hwtstamp_sec) {
+               for (i = 0; i < SXE_TXTS_POLL_CHECK; i++)
+                       sxe_hw_ptp_tx_timestamp_get(hw, &last_sec, &last_ns);
+
+               for (; i < SXE_TXTS_POLL; i++) {
+                       sxe_hw_ptp_tx_timestamp_get(hw, &ts_sec, &ts_ns);
+                       if (last_ns != ts_ns || last_sec != ts_sec) {
+                               tx_tstamp_valid = false;
+                               break;
+                       }
+               }
+       }
+
+       if (!tx_tstamp_valid || (ts_ns == adapter->ptp_ctxt.tx_hwtstamp_nsec &&
+                       ts_sec == adapter->ptp_ctxt.tx_hwtstamp_sec)) {
+               PMD_LOG_DEBUG(DRV, "no valid ptp timestamp in tx register");
+               ret = -EINVAL;
+               goto l_end;
+       } else {
+               adapter->ptp_ctxt.tx_hwtstamp_nsec = ts_ns;
+               adapter->ptp_ctxt.tx_hwtstamp_sec  = ts_sec;
+               tx_tstamp_cycles =
+                       sxe_timesync_tx_tstamp_cycles_get(adapter);
+               ns = rte_timecounter_update(&adapter->ptp_ctxt.tx_tstamp_tc,
+                                               tx_tstamp_cycles);
+               PMD_LOG_DEBUG(DRV, "got tx_tstamp_cycles = %"
+                       SXE_PRIU64 "ns=%" SXE_PRIU64, tx_tstamp_cycles, ns);
+               *timestamp = rte_ns_to_timespec(ns);
+       }
+
+l_end:
+       return ret;
+}
+
+s32 sxe_timesync_adjust_time(struct rte_eth_dev *dev, s64 delta)
+{
+       struct sxe_adapter *adapter = dev->data->dev_private;
+
+       PMD_LOG_DEBUG(DRV, "got delta = %" SXE_PRID64, delta);
+
+       adapter->ptp_ctxt.systime_tc.nsec += delta;
+       adapter->ptp_ctxt.rx_tstamp_tc.nsec += delta;
+       adapter->ptp_ctxt.tx_tstamp_tc.nsec += delta;
+
+       return 0;
+}
+
+s32 sxe_timesync_read_time(struct rte_eth_dev *dev, struct timespec *ts)
+{
+       struct sxe_adapter *adapter = dev->data->dev_private;
+       struct sxe_hw *hw = &adapter->hw;
+       u64 ns, systime_cycles;
+
+       systime_cycles = sxe_hw_ptp_systime_get(hw);
+       ns = rte_timecounter_update(&adapter->ptp_ctxt.systime_tc, 
systime_cycles);
+       PMD_LOG_DEBUG(DRV, "got systime_cycles = %" SXE_PRIU64 "ns=%" 
SXE_PRIU64,
+                       systime_cycles, ns);
+       *ts = rte_ns_to_timespec(ns);
+
+       return 0;
+}
+
+s32 sxe_timesync_write_time(struct rte_eth_dev *dev,
+                                       const struct timespec *ts)
+{
+       u64 ns;
+       struct sxe_adapter *adapter = dev->data->dev_private;
+
+       ns = rte_timespec_to_ns(ts);
+       PMD_LOG_DEBUG(DRV, "set systime ns = %" SXE_PRIU64, ns);
+       adapter->ptp_ctxt.systime_tc.nsec = ns;
+       adapter->ptp_ctxt.rx_tstamp_tc.nsec = ns;
+       adapter->ptp_ctxt.tx_tstamp_tc.nsec = ns;
+
+       return 0;
+}
diff --git a/drivers/net/sxe/pf/sxe_ptp.h b/drivers/net/sxe/pf/sxe_ptp.h
new file mode 100644
index 0000000000..14971b2d50
--- /dev/null
+++ b/drivers/net/sxe/pf/sxe_ptp.h
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright (C), 2022, Linkdata Technology Co., Ltd.
+ */
+
+#ifndef __SXE_PTP_H__
+#define __SXE_PTP_H__
+
+s32 sxe_timesync_enable(struct rte_eth_dev *dev);
+
+s32 sxe_timesync_disable(struct rte_eth_dev *dev);
+
+s32 sxe_timesync_read_rx_timestamp(struct rte_eth_dev *dev,
+                                struct timespec *timestamp,
+                                u32 flags __rte_unused);
+
+s32 sxe_timesync_read_tx_timestamp(struct rte_eth_dev *dev,
+                                struct timespec *timestamp);
+
+s32 sxe_timesync_adjust_time(struct rte_eth_dev *dev, s64 delta);
+
+s32 sxe_timesync_read_time(struct rte_eth_dev *dev, struct timespec *ts);
+
+s32 sxe_timesync_write_time(struct rte_eth_dev *dev,
+                                       const struct timespec *ts);
+
+#endif
-- 
2.18.4

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