X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=lib%2Flibrte_kni%2Frte_kni.h;h=02ca43b4b15778cc08e8bf464539cfb34e2f282b;hb=8d01b9cd70a67cdafd5b965a70420c3bd7fb3f82;hp=99055e2c2522969fd94df9022159b67d3ebe7698;hpb=ca33590b6af032bff57d9cc70455660466a654b2;p=deb_dpdk.git

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);
 
 
 /**
@@ -228,6 +232,26 @@ 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.
  */