Bluetooth: Store RSSI for connection

This patch adds support to store RSSI for connection when reply for
HCI_Read_RSSI is received.

Signed-off-by: Andrzej Kaczmarek <andrzej.kaczmarek@tieto.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

1 files changed, 23 insertions, 0 deletions

diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 07c37d0cecb2..2bb0053d4c45 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -1245,6 +1245,25 @@ static void hci_cc_write_remote_amp_assoc(struct hci_dev *hdev,
         amp_write_rem_assoc_continue(hdev, rp->phy_handle);
 }
 
+static void hci_cc_read_rssi(struct hci_dev *hdev, struct sk_buff *skb)
+{
+        struct hci_rp_read_rssi *rp = (void *) skb->data;
+        struct hci_conn *conn;
+
+        BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
+
+        if (rp->status)
+                return;
+
+        hci_dev_lock(hdev);
+
+        conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
+        if (conn)
+                conn->rssi = rp->rssi;
+
+        hci_dev_unlock(hdev);
+}
+
 static void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
 {
         BT_DBG("%s status 0x%2.2x", hdev->name, status);
@@ -2637,6 +2656,10 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
                 hci_cc_write_remote_amp_assoc(hdev, skb);
                 break;
 
+        case HCI_OP_READ_RSSI:
+                hci_cc_read_rssi(hdev, skb);
+                break;
+
         default:
                 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
                 break;