diff options
| author | Jukka Rissanen <jukka.rissanen@linux.intel.com> | 2014-09-08 12:11:44 +0300 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2014-09-09 15:51:47 +0200 |
| commit | b2799cec22812f5f1aaaa57133df51876f685d84 (patch) | |
| tree | bc356fec0af7f0e52297c15d5ba1fb9342bcd00b /net | |
| parent | 2ae50d8d3aaf7154f72b44331b71f15799cdc1bb (diff) | |
Bluetooth: 6lowpan: Set the peer IPv6 address correctly
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>
Cc: stable@vger.kernel.org # 3.17.x
Diffstat (limited to 'net')
| -rw-r--r-- | net/bluetooth/6lowpan.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/net/bluetooth/6lowpan.c b/net/bluetooth/6lowpan.c index 5532e6e804f0..b229aed3bf9a 100644 --- a/net/bluetooth/6lowpan.c +++ b/net/bluetooth/6lowpan.c @@ -671,6 +671,14 @@ static struct l2cap_chan *chan_open(struct l2cap_chan *pchan) 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(struct l2cap_chan *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); |