kni: add kni close function

KNI close function added.

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>

diff --git a/lib/librte_kni/rte_kni.c b/lib/librte_kni/rte_kni.c
index 509ae527daeff0b5a8ffdebd2dc9a6ec0a516243..a0daa2358a96ac768386682251fe4585048ad350 100644 (file)
--- a/lib/librte_kni/rte_kni.c
+++ b/lib/librte_kni/rte_kni.c
@@ -523,3 +523,12 @@ rte_kni_unregister_handlers(struct rte_kni *kni)
        kni->ops.config_network_if = NULL;
        return 0;
 }
+void 
+rte_kni_close(void)
+{
+       if (kni_fd < 0)
+               return;
+
+       close(kni_fd);
+       kni_fd = -1;    
+}

diff --git a/lib/librte_kni/rte_kni.h b/lib/librte_kni/rte_kni.h
index af458ef1d448b2e1f61103124e2e30ecbefd8d75..a409f1fafd93d8859b0b0401b6953f3befdac546 100644 (file)
--- a/lib/librte_kni/rte_kni.h
+++ b/lib/librte_kni/rte_kni.h
@@ -270,6 +270,16 @@ extern int rte_kni_register_handlers(struct rte_kni *kni,
  */
 extern int rte_kni_unregister_handlers(struct rte_kni *kni);
 
+/**
+ *  close KNI device.
+ * 
+ *  @param void
+ *
+ *  @return 
+ *   void
+ */
+extern void rte_kni_close(void);
+
 #ifdef __cplusplus
 }
 #endif