From: Patrick Keroulas <patrick.keroulas@radio-canada.ca>
To: dev@dpdk.org
Cc: Patrick Keroulas <patrick.keroulas@radio-canada.ca>
Subject: [dpdk-dev] [[PATCH v3 2/4] ethdev: add API to query device frequency
Date: Fri, 24 Jul 2020 16:23:13 -0400 [thread overview]
Message-ID: <20200724202315.19533-3-patrick.keroulas@radio-canada.ca> (raw)
In-Reply-To: <20200724202315.19533-1-patrick.keroulas@radio-canada.ca>
Signed-off-by: Patrick Keroulas <patrick.keroulas@radio-canada.ca>
---
lib/librte_ethdev/rte_ethdev.c | 12 ++++++++++++
lib/librte_ethdev/rte_ethdev.h | 17 +++++++++++++++++
lib/librte_ethdev/rte_ethdev_core.h | 5 +++++
lib/librte_ethdev/rte_ethdev_version.map | 2 ++
4 files changed, 36 insertions(+)
diff --git a/lib/librte_ethdev/rte_ethdev.c b/lib/librte_ethdev/rte_ethdev.c
index 7858ad5f11..8e8812782f 100644
--- a/lib/librte_ethdev/rte_ethdev.c
+++ b/lib/librte_ethdev/rte_ethdev.c
@@ -4882,6 +4882,18 @@ rte_eth_read_clock(uint16_t port_id, uint64_t *clock)
return eth_err(port_id, (*dev->dev_ops->read_clock)(dev, clock));
}
+int
+rte_eth_get_clock_freq(uint16_t port_id, uint64_t *freq)
+{
+ struct rte_eth_dev *dev;
+
+ RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
+ dev = &rte_eth_devices[port_id];
+
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_clock_freq, -ENOTSUP);
+ return eth_err(port_id, (*dev->dev_ops->get_clock_freq)(dev, freq));
+}
+
int
rte_eth_dev_get_reg_info(uint16_t port_id, struct rte_dev_reg_info *info)
{
diff --git a/lib/librte_ethdev/rte_ethdev.h b/lib/librte_ethdev/rte_ethdev.h
index 57e4a6ca58..d17838e66f 100644
--- a/lib/librte_ethdev/rte_ethdev.h
+++ b/lib/librte_ethdev/rte_ethdev.h
@@ -4264,6 +4264,23 @@ __rte_experimental
int
rte_eth_read_clock(uint16_t port_id, uint64_t *clock);
+/**
+ * Get the clock frequency of ethernet device, in Hz
+ *
+ * @param port_id
+ * The port identifier of the Ethernet device.
+ * @param[out] freq
+ * Pointer to the device clock frequency.
+ *
+ * @return
+ * - 0: Success.
+ * - -ENODEV: The port ID is invalid.
+ * - -ENOTSUP: The function is not supported by the Ethernet driver.
+ */
+__rte_experimental
+int
+rte_eth_get_clock_freq(uint16_t port_id, uint64_t *freq);
+
/**
* Config l2 tunnel ether type of an Ethernet device for filtering specific
* tunnel packets by ether type.
diff --git a/lib/librte_ethdev/rte_ethdev_core.h b/lib/librte_ethdev/rte_ethdev_core.h
index 32407dd418..ac64961e6f 100644
--- a/lib/librte_ethdev/rte_ethdev_core.h
+++ b/lib/librte_ethdev/rte_ethdev_core.h
@@ -468,6 +468,10 @@ typedef int (*eth_read_clock)(struct rte_eth_dev *dev,
uint64_t *timestamp);
/**< @internal Function used to get the current value of the device clock. */
+typedef int (*eth_get_clock_freq)(struct rte_eth_dev *dev,
+ uint64_t *freq);
+/**< @internal Function used to frequency from device clock */
+
typedef int (*eth_get_reg_t)(struct rte_eth_dev *dev,
struct rte_dev_reg_info *info);
/**< @internal Retrieve registers */
@@ -731,6 +735,7 @@ struct eth_dev_ops {
eth_timesync_write_time timesync_write_time; /** Set the device clock time. */
eth_read_clock read_clock;
+ eth_get_clock_freq get_clock_freq;
eth_xstats_get_by_id_t xstats_get_by_id;
/**< Get extended device statistic values by ID. */
diff --git a/lib/librte_ethdev/rte_ethdev_version.map b/lib/librte_ethdev/rte_ethdev_version.map
index 1212a17d32..ffc00bf94f 100644
--- a/lib/librte_ethdev/rte_ethdev_version.map
+++ b/lib/librte_ethdev/rte_ethdev_version.map
@@ -241,6 +241,8 @@ EXPERIMENTAL {
__rte_ethdev_trace_rx_burst;
__rte_ethdev_trace_tx_burst;
rte_flow_get_aged_flows;
+
+ rte_eth_get_clock_freq;
};
INTERNAL {
--
2.17.1
next prev parent reply other threads:[~2020-07-24 20:23 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-24 20:23 [dpdk-dev] [[PATCH v3 0/4] pdump HW Rx timestamps for mlx5 Patrick Keroulas
2020-07-24 20:23 ` [dpdk-dev] [[PATCH v3 1/4] net/mlx5: query device frequency Patrick Keroulas
2020-07-24 20:23 ` Patrick Keroulas [this message]
2020-07-24 20:23 ` [dpdk-dev] [[PATCH v3 3/4] pdump: convert timestamp to nanoseconds on Rx path Patrick Keroulas
2020-09-02 15:41 ` Pattan, Reshma
2020-07-24 20:23 ` [dpdk-dev] [[PATCH v3 4/4] net/pcap: support hardware Tx timestamps Patrick Keroulas
2020-07-25 8:35 ` Tom Barbette
2020-07-25 11:51 ` Stephen Hemminger
2020-07-26 22:17 ` Stephen Hemminger
2020-10-06 16:25 ` [dpdk-dev] [[PATCH v3 0/4] pdump HW Rx timestamps for mlx5 Ferruh Yigit
2020-10-07 6:59 ` Morten Brørup
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