ipv6 addrconf: Fix interface identifiers of 802.15.4 devices.

The "Universal/Local" (U/L) bit must be complmented according to RFC4944
and RFC2464.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 0 deletions

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 420e56326384..1b5d8cb9b123 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -1660,6 +1660,7 @@ static int addrconf_ifid_eui64(u8 *eui, struct net_device *dev)
         if (dev->addr_len != IEEE802154_ADDR_LEN)
                 return -1;
         memcpy(eui, dev->dev_addr, 8);
+        eui[0] ^= 2;
         return 0;
 }