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From: Luiz Augusto von Dentz <luiz.dentz@gmail.com>
To: linux-bluetooth@vger.kernel.org
Subject: [PATCH v5 03/11] Bluetooth: L2CAP: Add definitions for Enhanced Credit Based Mode
Date: Wed, 15 Jan 2020 13:02:13 -0800
Message-ID: <20200115210221.13096-4-luiz.dentz@gmail.com> (raw)
In-Reply-To: <20200115210221.13096-1-luiz.dentz@gmail.com>

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(+)

diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index 093aedebdf0c..d85fb2c8e6eb 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_EXT_FLOWCTL_CONN_REQ	0x17
+#define L2CAP_EXT_FLOWCTL_CONN_RSP	0x18
+#define L2CAP_EXT_FLOWCTL_RECONF_REQ	0x19
+#define L2CAP_EXT_FLOWCTL_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_EXT_FLOWCTL_MIN_MTU		64
+#define L2CAP_EXT_FLOWCTL_MIN_MPS		64
+
+struct l2cap_ext_flowctl_conn_req {
+	__le16 psm;
+	__le16 mtu;
+	__le16 mps;
+	__le16 credits;
+	__le16 scid[0];
+} __packed;
+
+struct l2cap_ext_flowctl_conn_rsp {
+	__le16 mtu;
+	__le16 mps;
+	__le16 credits;
+	__le16 result;
+	__le16 dcid[0];
+};
+
+struct l2cap_ext_flowctl_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_ext_flowctl_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_EXT_FLOWCTL_CONN_REQ_SENT,
 	FLAG_PENDING_SECURITY,
 	FLAG_HOLD_HCI_CONN,
 };
-- 
2.21.0


  parent reply index

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-15 21:02 [PATCH v5 00/11] Bluetooth 5.2 initial support Luiz Augusto von Dentz
2020-01-15 21:02 ` [PATCH v5 01/11] Bluetooth: Add definitions for CIS connections Luiz Augusto von Dentz
2020-01-15 21:25   ` Marcel Holtmann
2020-01-15 21:02 ` [PATCH v5 02/11] Bluetooth: Add initial implementation of " Luiz Augusto von Dentz
2020-01-15 21:18   ` Marcel Holtmann
2020-01-15 21:02 ` Luiz Augusto von Dentz [this message]
2020-01-15 21:20   ` [PATCH v5 03/11] Bluetooth: L2CAP: Add definitions for Enhanced Credit Based Mode Marcel Holtmann
2020-01-15 21:02 ` [PATCH v5 04/11] Bluetooth: L2CAP: Add initial code " Luiz Augusto von Dentz
2020-01-15 21:02 ` [PATCH v5 05/11] Bluetooth: L2CAP: Rename FLAG_LE_CONN_REQ_SENT to FLAG_LE_FLOWCTL_CONN_REQ_SENT Luiz Augusto von Dentz
2020-01-15 21:26   ` Marcel Holtmann
2020-01-15 21:02 ` [PATCH v5 06/11] Bluetooth: hci_vhci: Add support for ISO packets Luiz Augusto von Dentz
2020-01-15 21:25   ` Marcel Holtmann
2020-01-15 21:02 ` [PATCH v5 07/11] Bluetooth: monitor: " Luiz Augusto von Dentz
2020-01-15 21:25   ` Marcel Holtmann
2020-01-15 21:02 ` [PATCH v5 08/11] Bluetooth: Make use of __check_timeout on hci_sched_le Luiz Augusto von Dentz
2020-01-15 21:25   ` Marcel Holtmann
2020-01-15 21:02 ` [PATCH v5 09/11] Bluetooth: hci_h4: Add support for ISO packets Luiz Augusto von Dentz
2020-01-15 21:25   ` Marcel Holtmann
2020-01-15 21:02 ` [PATCH v5 10/11] Bluetooth: hci_h5: " Luiz Augusto von Dentz
2020-01-15 21:25   ` Marcel Holtmann
2020-01-15 21:02 ` [PATCH v5 11/11] Bluetooth: btsdio: Check for valid packet type Luiz Augusto von Dentz
2020-01-15 21:25   ` Marcel Holtmann

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