From: Luiz Augusto von Dentz <luiz.dentz@gmail.com>
To: linux-bluetooth@vger.kernel.org
Subject: [RFC 2/5] Bluetooth: L2CAP: Add definitions for Enhanced Credit Based Mode
Date: Mon, 24 Feb 2020 23:34:34 -0800 [thread overview]
Message-ID: <20200225073437.11212-2-luiz.dentz@gmail.com> (raw)
In-Reply-To: <20200225073437.11212-1-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 | 39 +++++++++++++++++++++++++++++++++++
1 file changed, 39 insertions(+)
diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index 093aedebdf0c..3e6544e53516 100644
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h
@@ -119,6 +119,10 @@ 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
@@ -359,6 +363,7 @@ struct l2cap_conf_rfc {
* ever be used in the BR/EDR configuration phase.
*/
#define L2CAP_MODE_LE_FLOWCTL 0x80
+#define L2CAP_MODE_EXT_FLOWCTL 0x81
struct l2cap_conf_efs {
__u8 id;
@@ -483,6 +488,39 @@ 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 +762,7 @@ enum {
FLAG_EFS_ENABLE,
FLAG_DEFER_SETUP,
FLAG_LE_CONN_REQ_SENT,
+ FLAG_ECRED_CONN_REQ_SENT,
FLAG_PENDING_SECURITY,
FLAG_HOLD_HCI_CONN,
};
--
2.21.1
next prev parent reply other threads:[~2020-02-25 7:34 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-25 7:34 [RFC 1/5] Bluetooth: Add BT_MODE socket option Luiz Augusto von Dentz
2020-02-25 7:34 ` Luiz Augusto von Dentz [this message]
2020-02-25 7:34 ` [RFC 3/5] Bluetooth: L2CAP: Add initial code for Enhanced Credit Based Mode Luiz Augusto von Dentz
2020-02-25 7:34 ` [RFC 4/5] Bluetooth: L2CAP: Add module option to enable ECRED mode Luiz Augusto von Dentz
2020-02-25 7:34 ` [RFC 5/5] Bluetooth: L2CAP: Use DEFER_SETUP to group ECRED connections Luiz Augusto von Dentz
2020-02-28 8:20 ` [RFC 1/5] Bluetooth: Add BT_MODE socket option Marcel Holtmann
2020-02-28 18:04 ` Luiz Augusto von Dentz
2020-02-29 7:10 ` Marcel Holtmann
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