This is a note to let you know that I've just added the patch titled
Bluetooth: 6lowpan: Set the peer IPv6 address correctly
to the 3.17-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
bluetooth-6lowpan-set-the-peer-ipv6-address-correctly.patch
and it can be found in the queue-3.17 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From b2799cec22812f5f1aaaa57133df51876f685d84 Mon Sep 17 00:00:00 2001
From: Jukka Rissanen <jukka.rissanen@xxxxxxxxxxxxxxx>
Date: Mon, 8 Sep 2014 12:11:44 +0300
Subject: Bluetooth: 6lowpan: Set the peer IPv6 address correctly
From: Jukka Rissanen <jukka.rissanen@xxxxxxxxxxxxxxx>
commit b2799cec22812f5f1aaaa57133df51876f685d84 upstream.
The peer IPv6 address contained wrong U/L bit in the EUI-64 part.
Signed-off-by: Jukka Rissanen <jukka.rissanen@xxxxxxxxxxxxxxx>
Signed-off-by: Marcel Holtmann <marcel@xxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
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);
Patches currently in stable-queue which might be from jukka.rissanen@xxxxxxxxxxxxxxx are
queue-3.17/bluetooth-6lowpan-set-the-peer-ipv6-address-correctly.patch
queue-3.17/bluetooth-6lowpan-increase-the-connection-timeout-value.patch
queue-3.17/bluetooth-6lowpan-route-packets-that-are-not-meant-to-peer-via-correct-device.patch
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