netdev - [PATCH net] ipv6 addrconf: Fix interface identifiers of 802.15.4 devices.

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Message-ID: <5106E32D.1080309@linux-ipv6.org>
Date:	Tue, 29 Jan 2013 05:44:29 +0900
From:	YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org>
To:	David Miller <davem@...emloft.net>, netdev <netdev@...r.kernel.org>
CC:	linux-zigbee-devel@...ts.sourceforge.net,
	alex.bluesman.smirnov@...il.com,
	YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org>
Subject: [PATCH net] 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@...ux-ipv6.org>
---
 net/ipv6/addrconf.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 420e563..1b5d8cb 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;
 }
 
-- 
1.7.9.5

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