From: Andrei Emeltchenko <andrei.emeltchenko@xxxxxxxxx>
Definitions are needed to decode extended window size option
and extended control field by user space tools like hcidump.
Those will be added also to kernel soon so l2cap header will
be in sync.
---
lib/l2cap.h | 45 +++++++++++++++++++++++++++++++++++++++++++++
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
--
1.7.4.1
--
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