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    Subject[PATCH 3.17 104/146] Bluetooth: 6lowpan: Set the peer IPv6 address correctly
    Date
    3.17-stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Jukka Rissanen <jukka.rissanen@linux.intel.com>

    commit b2799cec22812f5f1aaaa57133df51876f685d84 upstream.

    The peer IPv6 address contained wrong U/L bit in the EUI-64 part.

    Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
    Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    net/bluetooth/6lowpan.c | 13 +++++++++++++
    1 file changed, 13 insertions(+)

    --- a/net/bluetooth/6lowpan.c
    +++ b/net/bluetooth/6lowpan.c
    @@ -671,6 +671,14 @@ static struct l2cap_chan *chan_open(stru
    return chan;
    }

    +static void set_ip_addr_bits(u8 addr_type, u8 *addr)
    +{
    + if (addr_type == BDADDR_LE_PUBLIC)
    + *addr |= 0x02;
    + else
    + *addr &= ~0x02;
    +}
    +
    static struct l2cap_chan *add_peer_chan(struct l2cap_chan *chan,
    struct lowpan_dev *dev)
    {
    @@ -693,6 +701,11 @@ static struct l2cap_chan *add_peer_chan(
    memcpy(&peer->eui64_addr, (u8 *)&peer->peer_addr.s6_addr + 8,
    EUI64_ADDR_LEN);

    + /* IPv6 address needs to have the U/L bit set properly so toggle
    + * it back here.
    + */
    + set_ip_addr_bits(chan->dst_type, (u8 *)&peer->peer_addr.s6_addr + 8);
    +
    write_lock_irqsave(&devices_lock, flags);
    INIT_LIST_HEAD(&peer->list);
    peer_add(dev, peer);



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