[v6,1/2] ethdev: add an API to get device configuration info
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Commit Message
This patch adds a new API "rte_eth_dev_conf_info_get()" to help testpmd get
device configuration info.
Signed-off-by: Jie Wang <jie1x.wang@intel.com>
---
lib/ethdev/rte_ethdev.c | 27 +++++++++++++++++++++++++++
lib/ethdev/rte_ethdev.h | 26 ++++++++++++++++++++++++++
2 files changed, 53 insertions(+)
@@ -3458,6 +3458,33 @@ rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info)
return 0;
}
+int
+rte_eth_dev_conf_info_get(uint16_t port_id,
+ struct rte_eth_dev_conf_info *dev_conf_info)
+{
+ struct rte_eth_dev *dev;
+
+ RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
+ dev = &rte_eth_devices[port_id];
+
+ if (dev_conf_info == NULL) {
+ RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u config info to NULL\n",
+ port_id);
+ return -EINVAL;
+ }
+
+ /*
+ * Init dev_conf_info before port_id check since caller does not have
+ * return status and does not know if get is successful or not.
+ */
+ memset(dev_conf_info, 0, sizeof(struct rte_eth_dev_conf_info));
+
+ dev_conf_info->rx_offloads = dev->data->dev_conf.rxmode.offloads;
+ dev_conf_info->tx_offloads = dev->data->dev_conf.txmode.offloads;
+
+ return 0;
+}
+
int
rte_eth_dev_get_supported_ptypes(uint16_t port_id, uint32_t ptype_mask,
uint32_t *ptypes, int num)
@@ -1587,6 +1587,15 @@ struct rte_eth_dev_info {
void *reserved_ptrs[2]; /**< Reserved for future fields */
};
+/**
+ * Ethernet device configuration information structure.
+ * Used to retrieve information about configured device.
+ */
+struct rte_eth_dev_conf_info {
+ uint64_t rx_offloads; /**rxmode offloads */
+ uint64_t tx_offloads; /**txmode offloads */
+};
+
/**
* RX/TX queue states
*/
@@ -3058,6 +3067,23 @@ int rte_eth_macaddr_get(uint16_t port_id, struct rte_ether_addr *mac_addr);
*/
int rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info);
+/**
+ * Retrieve the contextual information of an Ethernet device.
+ *
+ * @param port_id
+ * The port identifier of the Ethernet device.
+ * @param dev_conf_info
+ * A pointer to a structure of type *rte_eth_dev_conf_info* to be filled with
+ * the contextual information of the Ethernet device.
+ * @return
+ * - (0) if successful.
+ * - (-ENOTSUP) if support for dev_infos_get() does not exist for the device.
+ * - (-ENODEV) if *port_id* invalid.
+ * - (-EINVAL) if bad parameter.
+ */
+int rte_eth_dev_conf_info_get(uint16_t port_id,
+ struct rte_eth_dev_conf_info *dev_conf_info);
+
/**
* Retrieve the firmware version of a device.
*