Bluetooth: AMP: Use l2cap_physical_cfm in phylink complete evt

When receiving HCI Phylink Complete event run amp_physical_cfm
which initialize BR/EDR L2CAP channel associated with High Speed
link and run l2cap_physical_cfm which shall send L2CAP Create
Chan Request.

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>

include/net/bluetooth/amp.h

@@ -46,6 +46,7 @@ void amp_accept_phylink(struct hci_dev *hdev, struct amp_mgr *mgr,
 			struct hci_conn *hcon);
 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_physical_cfm(struct hci_conn *bredr_hcon, struct hci_conn *hs_hcon);
 void amp_create_logical_link(struct l2cap_chan *chan);
 void amp_disconnect_logical_link(struct hci_chan *hchan);
 void amp_destroy_logical_link(struct hci_chan *hchan, u8 reason);

include/net/bluetooth/l2cap.h

@@ -812,5 +812,6 @@ void l2cap_send_conn_req(struct l2cap_chan *chan);
 void l2cap_move_start(struct l2cap_chan *chan);
 void l2cap_logical_cfm(struct l2cap_chan *chan, struct hci_chan *hchan,
 		       u8 status);
+void l2cap_physical_cfm(struct l2cap_chan *chan, int result);
 
 #endif /* __L2CAP_H */

net/bluetooth/amp.c

@@ -373,6 +373,30 @@ void amp_accept_phylink(struct hci_dev *hdev, struct amp_mgr *mgr,
 	hci_send_cmd(hdev, HCI_OP_ACCEPT_PHY_LINK, sizeof(cp), &cp);
 }
 
+void amp_physical_cfm(struct hci_conn *bredr_hcon, struct hci_conn *hs_hcon)
+{
+	struct hci_dev *bredr_hdev = hci_dev_hold(bredr_hcon->hdev);
+	struct amp_mgr *mgr = hs_hcon->amp_mgr;
+	struct l2cap_chan *bredr_chan;
+
+	BT_DBG("bredr_hcon %p hs_hcon %p mgr %p", bredr_hcon, hs_hcon, mgr);
+
+	if (!bredr_hdev || !mgr || !mgr->bredr_chan)
+		return;
+
+	bredr_chan = mgr->bredr_chan;
+
+	set_bit(FLAG_EFS_ENABLE, &bredr_chan->flags);
+	bredr_chan->ctrl_id = hs_hcon->remote_id;
+	bredr_chan->hs_hcon = hs_hcon;
+	bredr_chan->conn->mtu = hs_hcon->hdev->block_mtu;
+	bredr_chan->fcs = L2CAP_FCS_NONE;
+
+	l2cap_physical_cfm(bredr_chan, 0);
+
+	hci_dev_put(bredr_hdev);
+}
+
 void amp_create_logical_link(struct l2cap_chan *chan)
 {
 	struct hci_cp_create_accept_logical_link cp;

net/bluetooth/hci_event.c

@@ -3696,20 +3696,9 @@ static void hci_phy_link_complete_evt(struct hci_dev *hdev,
 	hci_conn_hold_device(hcon);
 	hci_conn_add_sysfs(hcon);
 
-	hci_dev_unlock(hdev);
-
-	if (hcon->out) {
-		struct hci_dev *bredr_hdev = hci_dev_hold(bredr_hcon->hdev);
-
-		if (!bredr_hdev)
-			return;
+	amp_physical_cfm(bredr_hcon, hcon);
 
-		/* Placeholder - create chan req
-		l2cap_chan_create_cfm(bredr_hcon, hcon->remote_id);
-		*/
-
-		hci_dev_put(bredr_hdev);
-	}
+	hci_dev_unlock(hdev);
 }
 
 static void hci_loglink_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)