l2cap.h
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上传日期:2013-04-10
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- /*
- BlueZ - Bluetooth protocol stack for Linux
- Copyright (C) 2000-2001 Qualcomm Incorporated
- Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License version 2 as
- published by the Free Software Foundation;
- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
- IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
- CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
- WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
- COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
- SOFTWARE IS DISCLAIMED.
- */
- /*
- * $Id: l2cap.h,v 1.1.1.1 2002/03/08 21:03:15 maxk Exp $
- */
- #ifndef __L2CAP_H
- #define __L2CAP_H
- /* L2CAP defaults */
- #define L2CAP_DEFAULT_MTU 672
- #define L2CAP_DEFAULT_FLUSH_TO 0xFFFF
- #define L2CAP_CONN_TIMEOUT (HZ * 40)
- /* L2CAP socket address */
- struct sockaddr_l2 {
- sa_family_t l2_family;
- unsigned short l2_psm;
- bdaddr_t l2_bdaddr;
- };
- /* Socket options */
- #define L2CAP_OPTIONS 0x01
- struct l2cap_options {
- __u16 omtu;
- __u16 imtu;
- __u16 flush_to;
- };
- #define L2CAP_CONNINFO 0x02
- struct l2cap_conninfo {
- __u16 hci_handle;
- };
- #define L2CAP_LM 0x03
- #define L2CAP_LM_MASTER 0x0001
- #define L2CAP_LM_AUTH 0x0002
- #define L2CAP_LM_ENCRYPT 0x0004
- #define L2CAP_LM_TRUSTED 0x0008
- #define L2CAP_QOS 0x04
- struct l2cap_qos {
- __u16 service_type;
- __u32 token_rate;
- __u32 token_bucket_size;
- __u32 peak_bandwidth;
- __u32 latency;
- __u32 delay_variation;
- };
- #define L2CAP_SERV_NO_TRAFFIC 0x00
- #define L2CAP_SERV_BEST_EFFORT 0x01
- #define L2CAP_SERV_GUARANTEED 0x02
- /* 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
- /* L2CAP structures */
- typedef struct {
- __u16 len;
- __u16 cid;
- } __attribute__ ((packed)) l2cap_hdr;
- #define L2CAP_HDR_SIZE 4
- typedef struct {
- __u8 code;
- __u8 ident;
- __u16 len;
- } __attribute__ ((packed)) l2cap_cmd_hdr;
- #define L2CAP_CMD_HDR_SIZE 4
- typedef struct {
- __u16 reason;
- } __attribute__ ((packed)) l2cap_cmd_rej;
- #define L2CAP_CMD_REJ_SIZE 2
- typedef struct {
- __u16 psm;
- __u16 scid;
- } __attribute__ ((packed)) l2cap_conn_req;
- #define L2CAP_CONN_REQ_SIZE 4
- typedef struct {
- __u16 dcid;
- __u16 scid;
- __u16 result;
- __u16 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 {
- __u16 dcid;
- __u16 flags;
- __u8 data[0];
- } __attribute__ ((packed)) l2cap_conf_req;
- #define L2CAP_CONF_REQ_SIZE 4
- typedef struct {
- __u16 scid;
- __u16 flags;
- __u16 result;
- __u8 data[0];
- } __attribute__ ((packed)) l2cap_conf_rsp;
- #define L2CAP_CONF_RSP_SIZE 6
- #define L2CAP_CONF_SUCCESS 0x00
- #define L2CAP_CONF_UNACCEPT 0x01
- typedef struct {
- __u8 type;
- __u8 len;
- __u8 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_MAX_SIZE 22
- typedef struct {
- __u16 dcid;
- __u16 scid;
- } __attribute__ ((packed)) l2cap_disconn_req;
- #define L2CAP_DISCONN_REQ_SIZE 4
- typedef struct {
- __u16 dcid;
- __u16 scid;
- } __attribute__ ((packed)) l2cap_disconn_rsp;
- #define L2CAP_DISCONN_RSP_SIZE 4
- typedef struct {
- __u16 type;
- __u8 data[0];
- } __attribute__ ((packed)) l2cap_info_req;
- #define L2CAP_INFO_REQ_SIZE 2
- typedef struct {
- __u16 type;
- __u16 result;
- __u8 data[0];
- } __attribute__ ((packed)) l2cap_info_rsp;
- #define L2CAP_INFO_RSP_SIZE 4
- /* ----- L2CAP connections ----- */
- struct l2cap_chan_list {
- struct sock *head;
- rwlock_t lock;
- long num;
- };
- struct l2cap_conn {
- struct hci_conn *hcon;
- bdaddr_t *dst;
- bdaddr_t *src;
-
- unsigned int mtu;
- spinlock_t lock;
-
- struct sk_buff *rx_skb;
- __u32 rx_len;
- __u8 rx_ident;
- __u8 tx_ident;
- struct l2cap_chan_list chan_list;
- };
- /* ----- L2CAP channel and socket info ----- */
- #define l2cap_pi(sk) ((struct l2cap_pinfo *) &sk->tp_pinfo)
- struct l2cap_pinfo {
- __u16 psm;
- __u16 dcid;
- __u16 scid;
- __u16 imtu;
- __u16 omtu;
- __u16 flush_to;
-
- __u32 link_mode;
- __u8 conf_state;
- __u16 conf_mtu;
- __u8 ident;
- struct l2cap_conn *conn;
- struct sock *next_c;
- struct sock *prev_c;
- };
- #define CONF_REQ_SENT 0x01
- #define CONF_INPUT_DONE 0x02
- #define CONF_OUTPUT_DONE 0x04
- #endif /* __L2CAP_H */