| /* |
| * |
| * BlueZ - Bluetooth protocol stack for Linux |
| * |
| * Copyright (C) 2000-2002 Maxim Krasnyansky <maxk@qualcomm.com> |
| * Copyright (C) 2003-2011 Marcel Holtmann <marcel@holtmann.org> |
| * |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| * |
| */ |
| |
| #ifndef __L2CAP_H |
| #define __L2CAP_H |
| |
| /* L2CAP command codes */ |
| #define L2CAP_COMMAND_REJ 0x01 |
| #define L2CAP_CONN_REQ 0x02 |
| #define L2CAP_CONN_RSP 0x03 |
| #define L2CAP_CONF_REQ 0x04 |
| #define L2CAP_CONF_RSP 0x05 |
| #define L2CAP_DISCONN_REQ 0x06 |
| #define L2CAP_DISCONN_RSP 0x07 |
| #define L2CAP_ECHO_REQ 0x08 |
| #define L2CAP_ECHO_RSP 0x09 |
| #define L2CAP_INFO_REQ 0x0a |
| #define L2CAP_INFO_RSP 0x0b |
| #define L2CAP_CREATE_REQ 0x0c |
| #define L2CAP_CREATE_RSP 0x0d |
| #define L2CAP_MOVE_REQ 0x0e |
| #define L2CAP_MOVE_RSP 0x0f |
| #define L2CAP_MOVE_CFM 0x10 |
| #define L2CAP_MOVE_CFM_RSP 0x11 |
| |
| /* L2CAP extended feature mask */ |
| #define L2CAP_FEAT_FLOWCTL 0x00000001 |
| #define L2CAP_FEAT_RETRANS 0x00000002 |
| #define L2CAP_FEAT_BIDIR_QOS 0x00000004 |
| #define L2CAP_FEAT_ERTM 0x00000008 |
| #define L2CAP_FEAT_STREAMING 0x00000010 |
| #define L2CAP_FEAT_FCS 0x00000020 |
| #define L2CAP_FEAT_EXT_FLOW 0x00000040 |
| #define L2CAP_FEAT_FIXED_CHAN 0x00000080 |
| #define L2CAP_FEAT_EXT_WINDOW 0x00000100 |
| #define L2CAP_FEAT_UCD 0x00000200 |
| |
| /* L2CAP Control Field bit masks */ |
| #define L2CAP_CTRL_SAR_MASK 0xC000 |
| #define L2CAP_CTRL_REQSEQ_MASK 0x3F00 |
| #define L2CAP_CTRL_TXSEQ_MASK 0x007E |
| #define L2CAP_CTRL_SUPERVISE_MASK 0x000C |
| |
| #define L2CAP_CTRL_RETRANS 0x0080 |
| #define L2CAP_CTRL_FINAL 0x0080 |
| #define L2CAP_CTRL_POLL 0x0010 |
| #define L2CAP_CTRL_FRAME_TYPE 0x0001 /* I- or S-Frame */ |
| |
| #define L2CAP_CTRL_TXSEQ_SHIFT 1 |
| #define L2CAP_CTRL_SUPER_SHIFT 2 |
| #define L2CAP_CTRL_REQSEQ_SHIFT 8 |
| #define L2CAP_CTRL_SAR_SHIFT 14 |
| |
| #define L2CAP_EXT_CTRL_TXSEQ_MASK 0xFFFC0000 |
| #define L2CAP_EXT_CTRL_SAR_MASK 0x00030000 |
| #define L2CAP_EXT_CTRL_SUPERVISE_MASK 0x00030000 |
| #define L2CAP_EXT_CTRL_REQSEQ_MASK 0x0000FFFC |
| |
| #define L2CAP_EXT_CTRL_POLL 0x00040000 |
| #define L2CAP_EXT_CTRL_FINAL 0x00000002 |
| #define L2CAP_EXT_CTRL_FRAME_TYPE 0x00000001 /* I- or S-Frame */ |
| |
| #define L2CAP_EXT_CTRL_REQSEQ_SHIFT 2 |
| #define L2CAP_EXT_CTRL_SAR_SHIFT 16 |
| #define L2CAP_EXT_CTRL_SUPER_SHIFT 16 |
| #define L2CAP_EXT_CTRL_TXSEQ_SHIFT 18 |
| |
| /* L2CAP Supervisory Function */ |
| #define L2CAP_SUPER_RR 0x00 |
| #define L2CAP_SUPER_REJ 0x01 |
| #define L2CAP_SUPER_RNR 0x02 |
| #define L2CAP_SUPER_SREJ 0x03 |
| |
| /* L2CAP Segmentation and Reassembly */ |
| #define L2CAP_SAR_UNSEGMENTED 0x00 |
| #define L2CAP_SAR_START 0x01 |
| #define L2CAP_SAR_END 0x02 |
| #define L2CAP_SAR_CONTINUE 0x03 |
| |
| #define L2CAP_SDULEN_SIZE 2 |
| |
| /* L2CAP fixed channels */ |
| #define L2CAP_FC_L2CAP 0x02 |
| #define L2CAP_FC_CONNLESS 0x04 |
| #define L2CAP_FC_A2MP 0x08 |
| |
| /* L2CAP structures */ |
| typedef struct { |
| uint16_t len; |
| uint16_t cid; |
| } __attribute__ ((packed)) l2cap_hdr; |
| #define L2CAP_HDR_SIZE 4 |
| |
| typedef struct { |
| uint8_t code; |
| uint8_t ident; |
| uint16_t len; |
| } __attribute__ ((packed)) l2cap_cmd_hdr; |
| #define L2CAP_CMD_HDR_SIZE 4 |
| |
| typedef struct { |
| uint16_t reason; |
| } __attribute__ ((packed)) l2cap_cmd_rej; |
| #define L2CAP_CMD_REJ_SIZE 2 |
| |
| typedef struct { |
| uint16_t psm; |
| uint16_t scid; |
| } __attribute__ ((packed)) l2cap_conn_req; |
| #define L2CAP_CONN_REQ_SIZE 4 |
| |
| typedef struct { |
| uint16_t dcid; |
| uint16_t scid; |
| uint16_t result; |
| uint16_t status; |
| } __attribute__ ((packed)) l2cap_conn_rsp; |
| #define L2CAP_CONN_RSP_SIZE 8 |
| |
| /* connect result */ |
| #define L2CAP_CR_SUCCESS 0x0000 |
| #define L2CAP_CR_PEND 0x0001 |
| #define L2CAP_CR_BAD_PSM 0x0002 |
| #define L2CAP_CR_SEC_BLOCK 0x0003 |
| #define L2CAP_CR_NO_MEM 0x0004 |
| |
| /* connect status */ |
| #define L2CAP_CS_NO_INFO 0x0000 |
| #define L2CAP_CS_AUTHEN_PEND 0x0001 |
| #define L2CAP_CS_AUTHOR_PEND 0x0002 |
| |
| typedef struct { |
| uint16_t dcid; |
| uint16_t flags; |
| uint8_t data[0]; |
| } __attribute__ ((packed)) l2cap_conf_req; |
| #define L2CAP_CONF_REQ_SIZE 4 |
| |
| typedef struct { |
| uint16_t scid; |
| uint16_t flags; |
| uint16_t result; |
| uint8_t data[0]; |
| } __attribute__ ((packed)) l2cap_conf_rsp; |
| #define L2CAP_CONF_RSP_SIZE 6 |
| |
| #define L2CAP_CONF_SUCCESS 0x0000 |
| #define L2CAP_CONF_UNACCEPT 0x0001 |
| #define L2CAP_CONF_REJECT 0x0002 |
| #define L2CAP_CONF_UNKNOWN 0x0003 |
| #define L2CAP_CONF_PENDING 0x0004 |
| #define L2CAP_CONF_EFS_REJECT 0x0005 |
| |
| typedef struct { |
| uint8_t type; |
| uint8_t len; |
| uint8_t val[0]; |
| } __attribute__ ((packed)) l2cap_conf_opt; |
| #define L2CAP_CONF_OPT_SIZE 2 |
| |
| #define L2CAP_CONF_MTU 0x01 |
| #define L2CAP_CONF_FLUSH_TO 0x02 |
| #define L2CAP_CONF_QOS 0x03 |
| #define L2CAP_CONF_RFC 0x04 |
| #define L2CAP_CONF_FCS 0x05 |
| #define L2CAP_CONF_EFS 0x06 |
| #define L2CAP_CONF_EWS 0x07 |
| |
| #define L2CAP_CONF_MAX_SIZE 22 |
| |
| #define L2CAP_MODE_BASIC 0x00 |
| #define L2CAP_MODE_RETRANS 0x01 |
| #define L2CAP_MODE_FLOWCTL 0x02 |
| #define L2CAP_MODE_ERTM 0x03 |
| #define L2CAP_MODE_STREAMING 0x04 |
| |
| #define L2CAP_SERVTYPE_NOTRAFFIC 0x00 |
| #define L2CAP_SERVTYPE_BESTEFFORT 0x01 |
| #define L2CAP_SERVTYPE_GUARANTEED 0x02 |
| |
| typedef struct { |
| uint16_t dcid; |
| uint16_t scid; |
| } __attribute__ ((packed)) l2cap_disconn_req; |
| #define L2CAP_DISCONN_REQ_SIZE 4 |
| |
| typedef struct { |
| uint16_t dcid; |
| uint16_t scid; |
| } __attribute__ ((packed)) l2cap_disconn_rsp; |
| #define L2CAP_DISCONN_RSP_SIZE 4 |
| |
| typedef struct { |
| uint16_t type; |
| } __attribute__ ((packed)) l2cap_info_req; |
| #define L2CAP_INFO_REQ_SIZE 2 |
| |
| typedef struct { |
| uint16_t type; |
| uint16_t result; |
| uint8_t data[0]; |
| } __attribute__ ((packed)) l2cap_info_rsp; |
| #define L2CAP_INFO_RSP_SIZE 4 |
| |
| /* info type */ |
| #define L2CAP_IT_CL_MTU 0x0001 |
| #define L2CAP_IT_FEAT_MASK 0x0002 |
| |
| /* info result */ |
| #define L2CAP_IR_SUCCESS 0x0000 |
| #define L2CAP_IR_NOTSUPP 0x0001 |
| |
| typedef struct { |
| uint16_t psm; |
| uint16_t scid; |
| uint8_t id; |
| } __attribute__ ((packed)) l2cap_create_req; |
| #define L2CAP_CREATE_REQ_SIZE 5 |
| |
| typedef struct { |
| uint16_t dcid; |
| uint16_t scid; |
| uint16_t result; |
| uint16_t status; |
| } __attribute__ ((packed)) l2cap_create_rsp; |
| #define L2CAP_CREATE_RSP_SIZE 8 |
| |
| typedef struct { |
| uint16_t icid; |
| uint8_t id; |
| } __attribute__ ((packed)) l2cap_move_req; |
| #define L2CAP_MOVE_REQ_SIZE 3 |
| |
| typedef struct { |
| uint16_t icid; |
| uint16_t result; |
| } __attribute__ ((packed)) l2cap_move_rsp; |
| #define L2CAP_MOVE_RSP_SIZE 4 |
| |
| typedef struct { |
| uint16_t icid; |
| uint16_t result; |
| } __attribute__ ((packed)) l2cap_move_cfm; |
| #define L2CAP_MOVE_CFM_SIZE 4 |
| |
| typedef struct { |
| uint16_t icid; |
| } __attribute__ ((packed)) l2cap_move_cfm_rsp; |
| #define L2CAP_MOVE_CFM_RSP_SIZE 2 |
| |
| #endif /* __L2CAP_H */ |
