From: YOSHIFUJI Hideaki / 吉藤英明 <yoshfuji@linux-ipv6.org>
Date: Mon, 28 Jan 2013 10:44:29 +0000 (+0000)
Subject: ipv6 addrconf: Fix interface identifiers of 802.15.4 devices.
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=5e98a36ed4bf6ea396170e3af0dd4fcbe51d772f;p=openwrt%2Fstaging%2Fblogic.git

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>
---

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;
 }