This is to provide abstraction and reduce global variable access.
Global variable rte_eth_devices kept exported to not break ABI.
Signed-off-by: Ferruh Yigit <ferruh.yigit at intel.com>
---
lib/librte_ether/rte_ethdev.h | 44 +++++++++++++++++++++++++++++++++++++++++++
1 file changed, 44 insertions(+)
diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h
index 6afb5a9..7209b83 100644
--- a/lib/librte_ether/rte_ethdev.h
+++ b/lib/librte_ether/rte_ethdev.h
@@ -3881,6 +3881,50 @@ rte_eth_dma_zone_reserve(const struct rte_eth_dev
*eth_dev, const char *name,
uint16_t queue_id, size_t size,
unsigned align, int socket_id);
+/**
+ * Return rte_eth_dev by port id
+ *
+ * This is to abstract device access and limit global variable access.
+ *
+ * @param port_id
+ * port_id of the device to return.
+ */
+static inline struct rte_eth_dev *
+rte_eth_by_port(uint16_t port_id)
+{
+ return &rte_eth_devices[port_id];
+}
+
+/**
+ * Return rte_eth_dev private data structure by port id
+ *
+ * This is to abstract device private data access and
+ * limit global variable access.
+ *
+ * @param port_id
+ * port_id of the device to return.
+ */
+static inline void *
+rte_eth_private_by_port(uint16_t port_id)
+{
+ return rte_eth_devices[port_id].data->dev_private;
+}
+
+/**
+ * Return rte_eth_dev private data structure by rte_eth_dev
+ *
+ * This is helper function to access device private data, also
+ * provides some abstraction on how private data kept.
+ *
+ * @param dev
+ * rte_eth_dev
+ */
+static inline void *
+rte_eth_private_by_dev(struct rte_eth_dev *dev)
+{
+ return dev->data->dev_private;
+}
+
#ifdef __cplusplus
}
#endif
--
2.5.0
