Add additional functions to support the existing IEEE1588
functionality.
* rte_eth_timesync_settime(), function to set the device clock time.
* rte_eth_timesync_gettime, function to get the device clock time.
* rte_eth_timesync_adjust, function to adjust the device clock time.
Signed-off-by: Daniel Mrzyglod <danielx.t.mrzyglod at intel.com>
---
doc/guides/rel_notes/release_2_2.rst | 3 ++
lib/librte_ether/rte_ethdev.c | 36 +++++++++++++++++++
lib/librte_ether/rte_ethdev.h | 65 +++++++++++++++++++++++++++++++++-
lib/librte_ether/rte_ether_version.map | 3 ++
4 files changed, 106 insertions(+), 1 deletion(-)
diff --git a/doc/guides/rel_notes/release_2_2.rst
b/doc/guides/rel_notes/release_2_2.rst
index 59dda59..17b281c 100644
--- a/doc/guides/rel_notes/release_2_2.rst
+++ b/doc/guides/rel_notes/release_2_2.rst
@@ -222,6 +222,9 @@ API Changes
* The devargs union field virtual is renamed to virt for C++ compatibility.
+* Add new functions in ethdev to support IEEE1588:
rte_eth_timesync_time_adjust()
+ rte_eth_timesync_time_get(), rte_eth_timesync_time_set()
+
ABI Changes
-----------
diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
index e0e1dca..20cf013 100644
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -3193,6 +3193,42 @@ rte_eth_timesync_read_tx_timestamp(uint8_t port_id,
struct timespec *timestamp)
}
int
+rte_eth_timesync_time_adjust(uint8_t port_id, int64_t delta)
+{
+ struct rte_eth_dev *dev;
+
+ VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
+ dev = &rte_eth_devices[port_id];
+
+ FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_time_adjust, -ENOTSUP);
+ return (*dev->dev_ops->timesync_time_adjust)(dev, delta);
+}
+
+int
+rte_eth_timesync_time_get(uint8_t port_id, struct timespec *timestamp)
+{
+ struct rte_eth_dev *dev;
+
+ VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
+ dev = &rte_eth_devices[port_id];
+
+ FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_time_get, -ENOTSUP);
+ return (*dev->dev_ops->timesync_time_get)(dev, timestamp);
+}
+
+int
+rte_eth_timesync_time_set(uint8_t port_id, struct timespec *timestamp)
+{
+ struct rte_eth_dev *dev;
+
+ VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
+ dev = &rte_eth_devices[port_id];
+
+ FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_time_set, -ENOTSUP);
+ return (*dev->dev_ops->timesync_time_set)(dev, timestamp);
+}
+
+int
rte_eth_dev_get_reg_length(uint8_t port_id)
{
struct rte_eth_dev *dev;
diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h
index 48a540d..585d980 100644
--- a/lib/librte_ether/rte_ethdev.h
+++ b/lib/librte_ether/rte_ethdev.h
@@ -1206,6 +1206,17 @@ typedef int (*eth_timesync_read_tx_timestamp_t)(struct
rte_eth_dev *dev,
struct timespec *timestamp);
/**< @internal Function used to read a TX IEEE1588/802.1AS timestamp. */
+typedef int (*eth_timesync_time_adjust)(struct rte_eth_dev *dev, int64_t);
+/**< @internal Function used to adjust device clock */
+
+typedef int (*eth_timesync_time_get)(struct rte_eth_dev *dev,
+ struct timespec *timestamp);
+/**< @internal Function used to get time from device clock. */
+
+typedef int (*eth_timesync_time_set)(struct rte_eth_dev *dev,
+ struct timespec *timestamp);
+/**< @internal Function used to get time from device clock */
+
typedef int (*eth_get_reg_length_t)(struct rte_eth_dev *dev);
/**< @internal Retrieve device register count */
@@ -1400,6 +1411,12 @@ struct eth_dev_ops {
/** Get DCB information */
eth_get_dcb_info get_dcb_info;
+ /** Adjust the device clock */
+ eth_timesync_time_adjust timesync_time_adjust;
+ /** Get the device clock timespec */
+ eth_timesync_time_get timesync_time_get;
+ /** Set the device clock timespec */
+ eth_timesync_time_set timesync_time_set;
};
/**
@@ -3755,6 +3772,53 @@ extern int rte_eth_timesync_read_tx_timestamp(uint8_t
port_id,
struct timespec *timestamp);
/**
+ * Adjust the timesync clock on an Ethernet device..
+ *
+ * @param port_id
+ * The port identifier of the Ethernet device.
+ * @param delta
+ * The adjustment in nanoseconds
+ *
+ * @return
+ * - 0: Success.
+ * - -ENODEV: The port ID is invalid.
+ * - -ENOTSUP: The function is not supported by the Ethernet driver.
+ */
+extern int rte_eth_timesync_time_adjust(uint8_t port_id, int64_t delta);
+
+/**
+ * Read the time from the timesync clock on an Ethernet device.
+ *
+ * @param port_id
+ * The port identifier of the Ethernet device.
+ * @param time
+ * Pointer to the timespec struct.
+ *
+ * @return
+ * - 0: Success.
+ */
+extern int rte_eth_timesync_time_get(uint8_t port_id,
+ struct timespec *time);
+
+
+/**
+ * Set the time of the timesync clock on an Ethernet device.
+ *
+ * @param port_id
+ * The port identifier of the Ethernet device.
+ * @param time
+ * Pointer to the timespec struct.
+ *
+ * @return
+ * - 0: Success.
+ * - -EINVAL: No timestamp is available.
+ * - -ENODEV: The port ID is invalid.
+ * - -ENOTSUP: The function is not supported by the Ethernet driver.
+ */
+extern int rte_eth_timesync_time_set(uint8_t port_id,
+ struct timespec *time);
+
+/**
* Copy pci device info to the Ethernet device data.
*
* @param eth_dev
@@ -3767,7 +3831,6 @@ extern int rte_eth_timesync_read_tx_timestamp(uint8_t
port_id,
*/
extern void rte_eth_copy_pci_info(struct rte_eth_dev *eth_dev, struct
rte_pci_device *pci_dev);
-
#ifdef __cplusplus
}
#endif
diff --git a/lib/librte_ether/rte_ether_version.map
b/lib/librte_ether/rte_ether_version.map
index 9149aa7..bb9c808 100644
--- a/lib/librte_ether/rte_ether_version.map
+++ b/lib/librte_ether/rte_ether_version.map
@@ -135,5 +135,8 @@ DPDK_2.2 {
rte_eth_dev_get_dcb_info;
rte_eth_rx_queue_info_get;
rte_eth_tx_queue_info_get;
+ rte_eth_timesync_time_adjust;
+ rte_eth_timesync_time_get;
+ rte_eth_timesync_time_set;
} DPDK_2.1;
--
2.5.0
