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[1/2] Bluetooth: L2CAP: Add definitions for Enhanced Credit Based Mode

Message ID 20200116212743.21016-1-luiz.dentz@gmail.com
State New
Headers show
Series [1/2] Bluetooth: L2CAP: Add definitions for Enhanced Credit Based Mode | expand

Commit Message

Luiz Augusto von Dentz Jan. 16, 2020, 9:27 p.m. UTC 
From: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>

This introduces the definitions for the new L2CAP mode called Enhanced
Credit Based Mode.

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
---
 include/net/bluetooth/l2cap.h | 41 +++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)
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Patch

diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index 093aedebdf0c..b9ea88cfd2d2 100644
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h
@@ -119,6 +119,11 @@  struct l2cap_conninfo {
 #define L2CAP_LE_CONN_REQ	0x14
 #define L2CAP_LE_CONN_RSP	0x15
 #define L2CAP_LE_CREDITS	0x16
+#define L2CAP_ECRED_CONN_REQ	0x17
+#define L2CAP_ECRED_CONN_RSP	0x18
+#define L2CAP_ECRED_RECONF_REQ	0x19
+#define L2CAP_ECRED_RECONF_RSP	0x1a
+
 
 /* L2CAP extended feature mask */
 #define L2CAP_FEAT_FLOWCTL	0x00000001
@@ -360,6 +365,8 @@  struct l2cap_conf_rfc {
  */
 #define L2CAP_MODE_LE_FLOWCTL	0x80
 
+#define L2CAP_MODE_EXT_FLOWCTL	0x81
+
 struct l2cap_conf_efs {
 	__u8	id;
 	__u8	stype;
@@ -483,6 +490,39 @@  struct l2cap_le_credits {
 	__le16     credits;
 } __packed;
 
+#define L2CAP_ECRED_MIN_MTU		64
+#define L2CAP_ECRED_MIN_MPS		64
+
+struct l2cap_ecred_conn_req {
+	__le16 psm;
+	__le16 mtu;
+	__le16 mps;
+	__le16 credits;
+	__le16 scid[0];
+} __packed;
+
+struct l2cap_ecred_conn_rsp {
+	__le16 mtu;
+	__le16 mps;
+	__le16 credits;
+	__le16 result;
+	__le16 dcid[0];
+};
+
+struct l2cap_ecred_reconf_req {
+	__le16 mtu;
+	__le16 mps;
+	__le16 scid[0];
+} __packed;
+
+#define L2CAP_RECONF_SUCCESS		0x0000
+#define L2CAP_RECONF_INVALID_MTU	0x0001
+#define L2CAP_RECONF_INVALID_MPS	0x0002
+
+struct l2cap_ecred_reconf_rsp {
+	__le16 result;
+} __packed;
+
 /* ----- L2CAP channels and connections ----- */
 struct l2cap_seq_list {
 	__u16	head;
@@ -724,6 +764,7 @@  enum {
 	FLAG_EFS_ENABLE,
 	FLAG_DEFER_SETUP,
 	FLAG_LE_CONN_REQ_SENT,
+	FLAG_ECRED_CONN_REQ_SENT,
 	FLAG_PENDING_SECURITY,
 	FLAG_HOLD_HCI_CONN,
 };