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Bluetooth: L2CAP: Add definitions for Enhanced Credit Based Mode

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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>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Luiz Augusto von Dentz 2020-03-02 16:56:19 -08:00 committed by Marcel Holtmann
parent 985048f427
commit 145720963b
1 changed files with 39 additions and 0 deletions
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39
include/net/bluetooth/l2cap.h
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@ -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,
};