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kni: generate random MAC address if needed

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

Signed-off-by: Intel
This commit is contained in:
Intel 2013-09-18 12:00:00 +02:00 committed by Thomas Monjalon
parent 4583570637
commit 0b44a857c8
1 changed files with 6 additions and 12 deletions
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18
lib/librte_eal/linuxapp/kni/kni_net.c
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@ -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);