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-rw-r--r--lib/librte_kni/rte_kni.h26
1 files changed, 25 insertions, 1 deletions
diff --git a/lib/librte_kni/rte_kni.h b/lib/librte_kni/rte_kni.h
index 99055e2c..02ca43b4 100644
--- a/lib/librte_kni/rte_kni.h
+++ b/lib/librte_kni/rte_kni.h
@@ -81,8 +81,12 @@ struct rte_kni_conf {
*
* @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);
/**
@@ -229,6 +233,26 @@ int rte_kni_register_handlers(struct rte_kni *kni, struct rte_kni_ops *ops);
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.
*/
void rte_kni_close(void);