__extension__
uint8_t force_bind : 1; /* Flag to bind kernel thread */
char mac_addr[ETHER_ADDR_LEN]; /* MAC address assigned to KNI */
+ uint16_t mtu;
};
/**
*
* @param max_kni_ifaces
* The maximum number of KNI interfaces that can coexist concurrently
+ *
+ * @return
+ * - 0 indicates success.
+ * - negative value indicates failure.
*/
-void rte_kni_init(unsigned int max_kni_ifaces);
+int rte_kni_init(unsigned int max_kni_ifaces);
/**
*/
int rte_kni_unregister_handlers(struct rte_kni *kni);
+/**
+ * Update link carrier state for KNI port.
+ *
+ * Update the linkup/linkdown state of a KNI interface in the kernel.
+ *
+ * @param kni
+ * pointer to struct rte_kni.
+ * @param linkup
+ * New link state:
+ * 0 for linkdown.
+ * > 0 for linkup.
+ *
+ * @return
+ * On failure: -1
+ * Previous link state == linkdown: 0
+ * Previous link state == linkup: 1
+ */
+int __rte_experimental
+rte_kni_update_link(struct rte_kni *kni, unsigned int linkup);
+
/**
* Close KNI device.
*/