There is a situation when ioctl returns zero mac address (00:00:00:00:00:00)
for just created kni. The situation happens because kni mac is set on
'ipconfig up' event (kni_net_open callback) not on kni creation 
(kni_ioctl_create).

Signed-off-by: Sergey Balabanov <balabanovsv at ecotelecom.ru>
---
 lib/librte_eal/linuxapp/kni/kni_misc.c | 10 ++++++++++
 lib/librte_eal/linuxapp/kni/kni_net.c  |  9 ---------
 2 files changed, 10 insertions(+), 9 deletions(-)

diff --git a/lib/librte_eal/linuxapp/kni/kni_misc.c 
b/lib/librte_eal/linuxapp/kni/kni_misc.c
index 2e9fa89..61f83a0 100644
--- a/lib/librte_eal/linuxapp/kni/kni_misc.c
+++ b/lib/librte_eal/linuxapp/kni/kni_misc.c
@@ -28,6 +28,7 @@
 #include <linux/pci.h>
 #include <linux/kthread.h>
 #include <linux/rwsem.h>
+#include <linux/etherdevice.h> /* eth_type_trans */

 #include <exec-env/rte_kni_common.h>
 #include "kni_dev.h"
@@ -465,6 +466,15 @@ kni_ioctl_create(unsigned int ioctl_num, unsigned long 
ioctl_param)
        if (pci)
                pci_dev_put(pci);

+       if (kni->lad_dev)
+               memcpy(net_dev->dev_addr, kni->lad_dev->dev_addr, ETH_ALEN);
+       else
+               /*
+                * Generate random mac address. eth_random_addr() is the newer
+                * version of generating mac address in linux kernel.
+                */
+               random_ether_addr(net_dev->dev_addr);
+
        ret = register_netdev(net_dev);
        if (ret) {
                KNI_ERR("error %i registering device \"%s\"\n",
diff --git a/lib/librte_eal/linuxapp/kni/kni_net.c 
b/lib/librte_eal/linuxapp/kni/kni_net.c
index ab5add4..b50b4cf 100644
--- a/lib/librte_eal/linuxapp/kni/kni_net.c
+++ b/lib/librte_eal/linuxapp/kni/kni_net.c
@@ -70,15 +70,6 @@ kni_net_open(struct net_device *dev)
        struct rte_kni_request req;
        struct kni_dev *kni = netdev_priv(dev);

-       if (kni->lad_dev)
-               memcpy(dev->dev_addr, kni->lad_dev->dev_addr, ETH_ALEN);
-       else
-               /*
-                * Generate random mac address. eth_random_addr() is the newer
-                * version of generating mac address in linux kernel.
-                */
-               random_ether_addr(dev->dev_addr);
-
        netif_start_queue(dev);

        memset(&req, 0, sizeof(req));
-- 
2.1.4

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