[Bluetooth] Fall back to L2CAP in basic mode
In case the remote entity tries to negogiate retransmission or flow
control mode, reject it and fall back to basic mode.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index e1ea640..73e115b 100644
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h
@@ -149,6 +149,19 @@
#define L2CAP_CONF_MAX_SIZE 22
+struct l2cap_conf_rfc {
+ __u8 mode;
+ __u8 txwin_size;
+ __u8 max_transmit;
+ __le16 retrans_timeout;
+ __le16 monitor_timeout;
+ __le16 max_pdu_size;
+} __attribute__ ((packed));
+
+#define L2CAP_MODE_BASIC 0x00
+#define L2CAP_MODE_RETRANS 0x01
+#define L2CAP_MODE_FLOWCTL 0x02
+
struct l2cap_disconn_req {
__le16 dcid;
__le16 scid;