#define L2CAP_PSM_3DSP 0x0021
#define L2CAP_PSM_IPSP 0x0023 /* 6LoWPAN */
+#define L2CAP_PSM_DYN_START 0x1001
+#define L2CAP_PSM_DYN_END 0xffff
+#define L2CAP_PSM_AUTO_END 0x10ff
+#define L2CAP_PSM_LE_DYN_START 0x0080
+#define L2CAP_PSM_LE_DYN_END 0x00ff
+
/* channel identifier */
#define L2CAP_CID_SIGNALING 0x0001
#define L2CAP_CID_CONN_LESS 0x0002