Bluetooth: AMP: Process Disc Logical Link

Add processing for HCI Disconnection Logical Link Complete
Event.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>

3 files changed, 36 insertions, 0 deletions

diff --git a/include/net/bluetooth/amp.h b/include/net/bluetooth/amp.h
index 70d5c153de15..405fb9c987ef 100644
--- a/include/net/bluetooth/amp.h
+++ b/include/net/bluetooth/amp.h
@@ -47,5 +47,6 @@ void amp_accept_phylink(struct hci_dev *hdev, struct amp_mgr *mgr,
 void amp_write_remote_assoc(struct hci_dev *hdev, u8 handle);
 void amp_write_rem_assoc_continue(struct hci_dev *hdev, u8 handle);
 void amp_create_logical_link(struct l2cap_chan *chan);
+void amp_destroy_logical_link(struct hci_chan *hchan, u8 reason);
 
 #endif /* __AMP_H */
diff --git a/net/bluetooth/amp.c b/net/bluetooth/amp.c
index fbb63605a27e..0f3fef34eabc 100644
--- a/net/bluetooth/amp.c
+++ b/net/bluetooth/amp.c
@@ -421,3 +421,10 @@ void amp_create_logical_link(struct l2cap_chan *chan)
 done:
         hci_dev_put(hdev);
 }
+
+void amp_destroy_logical_link(struct hci_chan *hchan, u8 reason)
+{
+        BT_DBG("hchan %p", hchan);
+
+        hci_chan_del(hchan);
+}
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 14cad155af3c..07dce614f81a 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -3741,6 +3741,30 @@ static void hci_loglink_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
         }
 }
 
+static void hci_disconn_loglink_complete_evt(struct hci_dev *hdev,
+                                             struct sk_buff *skb)
+{
+        struct hci_ev_disconn_logical_link_complete *ev = (void *) skb->data;
+        struct hci_chan *hchan;
+
+        BT_DBG("%s log handle 0x%4.4x status 0x%2.2x", hdev->name,
+               le16_to_cpu(ev->handle), ev->status);
+
+        if (ev->status)
+                return;
+
+        hci_dev_lock(hdev);
+
+        hchan = hci_chan_lookup_handle(hdev, le16_to_cpu(ev->handle));
+        if (!hchan)
+                goto unlock;
+
+        amp_destroy_logical_link(hchan, ev->reason);
+
+unlock:
+        hci_dev_unlock(hdev);
+}
+
 static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
 {
         struct hci_ev_le_conn_complete *ev = (void *) skb->data;
@@ -4076,6 +4100,10 @@ void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
                 hci_loglink_complete_evt(hdev, skb);
                 break;
 
+        case HCI_EV_DISCONN_LOGICAL_LINK_COMPLETE:
+                hci_disconn_loglink_complete_evt(hdev, skb);
+                break;
+
         case HCI_EV_NUM_COMP_BLOCKS:
                 hci_num_comp_blocks_evt(hdev, skb);
                 break;