Bluetooth: Store the source address type of LE connections

When establishing LE connections, it is possible to use a public
address (if available) or a random address. The type of address
is only known when creating connections, so make sure it is
stored in hci_conn structure.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>

diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 7889495..714da9e 100644 (file)
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -300,6 +300,7 @@ struct hci_conn {
 
        bdaddr_t        dst;
        __u8            dst_type;
+       __u8            src_type;
        __u16           handle;
        __u16           state;
        __u8            mode;

diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index bb32f48..d9f7f93 100644 (file)
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -566,10 +566,7 @@ static int hci_create_le_conn(struct hci_conn *conn)
        cp.scan_window = cpu_to_le16(hdev->le_scan_window);
        bacpy(&cp.peer_addr, &conn->dst);
        cp.peer_addr_type = conn->dst_type;
-       if (bacmp(&hdev->bdaddr, BDADDR_ANY))
-               cp.own_address_type = ADDR_LE_DEV_PUBLIC;
-       else
-               cp.own_address_type = ADDR_LE_DEV_RANDOM;
+       cp.own_address_type = conn->src_type;
        cp.conn_interval_min = __constant_cpu_to_le16(0x0028);
        cp.conn_interval_max = __constant_cpu_to_le16(0x0038);
        cp.supervision_timeout = __constant_cpu_to_le16(0x002a);
@@ -626,6 +623,12 @@ static struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst,
                conn->dst_type = ADDR_LE_DEV_PUBLIC;
        else
                conn->dst_type = ADDR_LE_DEV_RANDOM;
+
+       if (bacmp(&hdev->bdaddr, BDADDR_ANY))
+               conn->src_type = ADDR_LE_DEV_PUBLIC;
+       else
+               conn->src_type = ADDR_LE_DEV_RANDOM;
+
        conn->state = BT_CONNECT;
        conn->out = true;
        conn->link_mode |= HCI_LM_MASTER;