kni: generate random MAC address if needed

Replace the address based on "\0KNIxy" by a random MAC.

Signed-off-by: Intel

diff --git a/lib/librte_eal/linuxapp/kni/kni_net.c b/lib/librte_eal/linuxapp/kni/kni_net.c
index dca004f..2e27663 100644 (file)
--- a/lib/librte_eal/linuxapp/kni/kni_net.c
+++ b/lib/librte_eal/linuxapp/kni/kni_net.c
@@ -131,20 +131,14 @@ kni_net_open(struct net_device *dev)
        struct rte_kni_request req;
        struct kni_dev *kni = netdev_priv(dev);
 
-       KNI_DBG("kni_net_open %d\n", kni->port_id);
-
-       /*
-        * Assign the hardware address of the board: use "\0KNIx", where
-        * x is KNI index. The first byte is '\0' to avoid being a multicast
-        * address (the first byte of multicast addrs is odd).
-        */
-
        if (kni->lad_dev)
                memcpy(dev->dev_addr, kni->lad_dev->dev_addr, ETH_ALEN);
-       else {
-               memcpy(dev->dev_addr, "\0KNI0", ETH_ALEN);
-               dev->dev_addr[ETH_ALEN-1] += kni->port_id; /* \0KNI1 */
-       }
+       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);