Add definition for L2CAP Ext Window Size

1 files changed, 45 insertions, 0 deletions

diff --git a/lib/l2cap.h b/lib/l2cap.h
index 55fe88b..47b3dc3 100644
--- a/lib/l2cap.h
+++ b/lib/l2cap.h
@@ -95,6 +95,50 @@ struct l2cap_conninfo {
 #define L2CAP_FEAT_EXT_WINDOW	0x00000100
 #define L2CAP_FEAT_UCD		0x00000200
 
+/* L2CAP Control Field bit masks */
+#define L2CAP_CTRL_SAR_MASK		0xC000
+#define L2CAP_CTRL_REQSEQ_MASK		0x3F00
+#define L2CAP_CTRL_TXSEQ_MASK		0x007E
+#define L2CAP_CTRL_SUPERVISE_MASK	0x000C
+
+#define L2CAP_CTRL_RETRANS		0x0080
+#define L2CAP_CTRL_FINAL		0x0080
+#define L2CAP_CTRL_POLL			0x0010
+#define L2CAP_CTRL_FRAME_TYPE		0x0001 /* I- or S-Frame */
+
+#define L2CAP_CTRL_TXSEQ_SHIFT		1
+#define L2CAP_CTRL_SUPER_SHIFT		2
+#define L2CAP_CTRL_REQSEQ_SHIFT		8
+#define L2CAP_CTRL_SAR_SHIFT		14
+
+#define L2CAP_EXT_CTRL_TXSEQ_MASK	0xFFFC0000
+#define L2CAP_EXT_CTRL_SAR_MASK		0x00030000
+#define L2CAP_EXT_CTRL_SUPERVISE_MASK	0x00030000
+#define L2CAP_EXT_CTRL_REQSEQ_MASK	0x0000FFFC
+
+#define L2CAP_EXT_CTRL_POLL		0x00040000
+#define L2CAP_EXT_CTRL_FINAL		0x00000002
+#define L2CAP_EXT_CTRL_FRAME_TYPE	0x00000001 /* I- or S-Frame */
+
+#define L2CAP_EXT_CTRL_REQSEQ_SHIFT	2
+#define L2CAP_EXT_CTRL_SAR_SHIFT	16
+#define L2CAP_EXT_CTRL_SUPER_SHIFT	16
+#define L2CAP_EXT_CTRL_TXSEQ_SHIFT	18
+
+/* L2CAP Supervisory Function */
+#define L2CAP_SUPER_RR		0x00
+#define L2CAP_SUPER_REJ		0x01
+#define L2CAP_SUPER_RNR		0x02
+#define L2CAP_SUPER_SREJ	0x03
+
+/* L2CAP Segmentation and Reassembly */
+#define L2CAP_SAR_UNSEGMENTED	0x00
+#define L2CAP_SAR_START		0x01
+#define L2CAP_SAR_END		0x02
+#define L2CAP_SAR_CONTINUE	0x03
+
+#define L2CAP_SDULEN_SIZE	2
+
 /* L2CAP structures */
 typedef struct {
 	uint16_t	len;
@@ -175,6 +219,7 @@ typedef struct {
 #define L2CAP_CONF_RFC		0x04
 #define L2CAP_CONF_FCS		0x05
 #define L2CAP_CONF_EFS		0x06
+#define L2CAP_CONF_EWS		0x07
 
 #define L2CAP_CONF_MAX_SIZE	22