bluetooth: Set 6 byte device addresses

Set BTLE MAC addresses that are 6 bytes long and not 8 bytes
that are used in other places with 6lowpan.

Signed-off-by: Patrik Flykt <patrik.flykt@linux.intel.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Reviewed-by: Stefan Schmidt <stefan@osg.samsung.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

diff --git a/net/bluetooth/6lowpan.c b/net/bluetooth/6lowpan.c
index d491529332f4568b532759331bd8f88653573ba0..bad0e9d1ea20f3045bca2e19ba56f4ec9ac2893e 100644 (file)
--- a/net/bluetooth/6lowpan.c
+++ b/net/bluetooth/6lowpan.c
@@ -80,6 +80,8 @@ struct lowpan_btle_dev {
        struct delayed_work notify_peers;
 };
 
+static void set_addr(u8 *eui, u8 *addr, u8 addr_type);
+
 static inline struct lowpan_btle_dev *
 lowpan_btle_dev(const struct net_device *netdev)
 {
@@ -272,9 +274,10 @@ static int give_skb_to_upper(struct sk_buff *skb, struct net_device *dev)
 static int iphc_decompress(struct sk_buff *skb, struct net_device *netdev,
                           struct l2cap_chan *chan)
 {
-       const u8 *saddr, *daddr;
+       const u8 *saddr;
        struct lowpan_btle_dev *dev;
        struct lowpan_peer *peer;
+       unsigned char eui64_daddr[EUI64_ADDR_LEN];
 
        dev = lowpan_btle_dev(netdev);
 
@@ -285,9 +288,9 @@ static int iphc_decompress(struct sk_buff *skb, struct net_device *netdev,
                return -EINVAL;
 
        saddr = peer->eui64_addr;
-       daddr = dev->netdev->dev_addr;
+       set_addr(&eui64_daddr[0], chan->src.b, chan->src_type);
 
-       return lowpan_header_decompress(skb, netdev, daddr, saddr);
+       return lowpan_header_decompress(skb, netdev, &eui64_daddr, saddr);
 }
 
 static int recv_pkt(struct sk_buff *skb, struct net_device *dev,
@@ -681,13 +684,6 @@ static void set_addr(u8 *eui, u8 *addr, u8 addr_type)
        BT_DBG("type %d addr %*phC", addr_type, 8, eui);
 }
 
-static void set_dev_addr(struct net_device *netdev, bdaddr_t *addr,
-                        u8 addr_type)
-{
-       netdev->addr_assign_type = NET_ADDR_PERM;
-       set_addr(netdev->dev_addr, addr->b, addr_type);
-}
-
 static void ifup(struct net_device *netdev)
 {
        int err;
@@ -803,7 +799,8 @@ static int setup_netdev(struct l2cap_chan *chan, struct lowpan_btle_dev **dev)
        if (!netdev)
                return -ENOMEM;
 
-       set_dev_addr(netdev, &chan->src, chan->src_type);
+       netdev->addr_assign_type = NET_ADDR_PERM;
+       baswap((void *)netdev->dev_addr, &chan->src);
 
        netdev->netdev_ops = &netdev_ops;
        SET_NETDEV_DEV(netdev, &chan->conn->hcon->hdev->dev);