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From: Luiz Augusto von Dentz <luiz.dentz@gmail.com>
To: linux-bluetooth@vger.kernel.org
Subject: [PATCH v2 03/10] Bluetooth: L2CAP: Add definitions for Enhanced Credit Based Mode
Date: Fri, 10 Jan 2020 18:22:09 -0800	[thread overview]
Message-ID: <20200111022216.30842-4-luiz.dentz@gmail.com> (raw)
In-Reply-To: <20200111022216.30842-1-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 | 43 +++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)

diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index 093aedebdf0c..2a38e1f93c45 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 +365,9 @@ struct l2cap_conf_rfc {
  */
 #define L2CAP_MODE_LE_FLOWCTL	0x80
 
+/* This is essentially L2CAP_MODE_LE_FLOWCTL but works with BR/EDR */
+#define L2CAP_MODE_ECRED	0x81
+
 struct l2cap_conf_efs {
 	__u8	id;
 	__u8	stype;
@@ -483,6 +491,39 @@ 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 +765,7 @@ enum {
 	FLAG_EFS_ENABLE,
 	FLAG_DEFER_SETUP,
 	FLAG_LE_CONN_REQ_SENT,
+	FLAG_ECRED_CONN_REQ_SENT,
 	FLAG_PENDING_SECURITY,
 	FLAG_HOLD_HCI_CONN,
 };
@@ -923,6 +965,7 @@ void l2cap_cleanup_sockets(void);
 bool l2cap_is_socket(struct socket *sock);
 
 void __l2cap_le_connect_rsp_defer(struct l2cap_chan *chan);
+void __l2cap_ecred_conn_rsp_defer(struct l2cap_chan *chan);
 void __l2cap_connect_rsp_defer(struct l2cap_chan *chan);
 
 int l2cap_add_psm(struct l2cap_chan *chan, bdaddr_t *src, __le16 psm);
-- 
2.21.0


  parent reply	other threads:[~2020-01-11  2:22 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-11  2:22 [PATCH v2 00/10] Bluetooth 5.2 initial support Luiz Augusto von Dentz
2020-01-11  2:22 ` [PATCH v2 01/10] Bluetooth: Add definitions for CIS connections Luiz Augusto von Dentz
2020-01-14 14:11   ` Marcel Holtmann
2020-01-11  2:22 ` [PATCH v2 02/10] Bluetooth: Add initial implementation of " Luiz Augusto von Dentz
2020-01-11 22:33   ` kbuild test robot
2020-01-11  2:22 ` Luiz Augusto von Dentz [this message]
2020-01-14 14:15   ` [PATCH v2 03/10] Bluetooth: L2CAP: Add definitions for Enhanced Credit Based Mode Marcel Holtmann
2020-01-11  2:22 ` [PATCH v2 04/10] Bluetooth: L2CAP: Add initial code " Luiz Augusto von Dentz
2020-01-11  2:22 ` [PATCH v2 05/10] Bluetooth: hci_vhci: Add support for ISO packets Luiz Augusto von Dentz
2020-01-11  2:22 ` [PATCH v2 06/10] Bluetooth: monitor: " Luiz Augusto von Dentz
2020-01-11  2:22 ` [PATCH v2 07/10] Bluetooth: Make use of __check_timeout on hci_sched_le Luiz Augusto von Dentz
2020-01-11  2:22 ` [PATCH v2 08/10] Bluetooth: hci_h4: Add support for ISO packets Luiz Augusto von Dentz
2020-01-11  2:22 ` [PATCH v2 09/10] Bluetooth: btusb: " Luiz Augusto von Dentz
2020-01-14 14:18   ` Marcel Holtmann
2020-01-11  2:22 ` [PATCH v2 10/10] Bluetooth: btusb: Detect if an ACL packet is in fact an ISO packet Luiz Augusto von Dentz
2020-01-14 14:19   ` Marcel Holtmann

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