2 BlueZ - Bluetooth protocol stack for Linux
3 Copyright (C) 2000-2001 Qualcomm Incorporated
5 Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License version 2 as
9 published by the Free Software Foundation;
11 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
12 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
14 IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
15 CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
16 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
18 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
20 ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
21 COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
22 SOFTWARE IS DISCLAIMED.
29 #define L2CAP_DEFAULT_MTU 672
30 #define L2CAP_DEFAULT_FLUSH_TO 0xffff
31 #define L2CAP_DEFAULT_RX_WINDOW 1
32 #define L2CAP_DEFAULT_MAX_RECEIVE 1
33 #define L2CAP_DEFAULT_RETRANS_TO 300 /* 300 milliseconds */
34 #define L2CAP_DEFAULT_MONITOR_TO 1000 /* 1 second */
35 #define L2CAP_DEFAULT_MAX_RX_APDU 0xfff7
37 #define L2CAP_CONN_TIMEOUT (40000) /* 40 seconds */
38 #define L2CAP_INFO_TIMEOUT (4000) /* 4 seconds */
40 /* L2CAP socket address */
42 sa_family_t l2_family;
48 /* L2CAP socket options */
49 #define L2CAP_OPTIONS 0x01
50 struct l2cap_options {
57 #define L2CAP_CONNINFO 0x02
58 struct l2cap_conninfo {
64 #define L2CAP_LM_MASTER 0x0001
65 #define L2CAP_LM_AUTH 0x0002
66 #define L2CAP_LM_ENCRYPT 0x0004
67 #define L2CAP_LM_TRUSTED 0x0008
68 #define L2CAP_LM_RELIABLE 0x0010
69 #define L2CAP_LM_SECURE 0x0020
71 /* L2CAP command codes */
72 #define L2CAP_COMMAND_REJ 0x01
73 #define L2CAP_CONN_REQ 0x02
74 #define L2CAP_CONN_RSP 0x03
75 #define L2CAP_CONF_REQ 0x04
76 #define L2CAP_CONF_RSP 0x05
77 #define L2CAP_DISCONN_REQ 0x06
78 #define L2CAP_DISCONN_RSP 0x07
79 #define L2CAP_ECHO_REQ 0x08
80 #define L2CAP_ECHO_RSP 0x09
81 #define L2CAP_INFO_REQ 0x0a
82 #define L2CAP_INFO_RSP 0x0b
84 /* L2CAP feature mask */
85 #define L2CAP_FEAT_FLOWCTL 0x00000001
86 #define L2CAP_FEAT_RETRANS 0x00000002
87 #define L2CAP_FEAT_ERTM 0x00000008
88 #define L2CAP_FEAT_STREAMING 0x00000010
89 #define L2CAP_FEAT_FCS 0x00000020
90 #define L2CAP_FEAT_FIXED_CHAN 0x00000080
92 /* L2CAP checksum option */
93 #define L2CAP_FCS_NONE 0x00
94 #define L2CAP_FCS_CRC16 0x01
96 /* L2CAP structures */
100 } __attribute__ ((packed));
101 #define L2CAP_HDR_SIZE 4
103 struct l2cap_cmd_hdr {
107 } __attribute__ ((packed));
108 #define L2CAP_CMD_HDR_SIZE 4
110 struct l2cap_cmd_rej {
112 } __attribute__ ((packed));
114 struct l2cap_conn_req {
117 } __attribute__ ((packed));
119 struct l2cap_conn_rsp {
124 } __attribute__ ((packed));
126 /* channel indentifier */
127 #define L2CAP_CID_SIGNALING 0x0001
128 #define L2CAP_CID_CONN_LESS 0x0002
129 #define L2CAP_CID_DYN_START 0x0040
130 #define L2CAP_CID_DYN_END 0xffff
133 #define L2CAP_CR_SUCCESS 0x0000
134 #define L2CAP_CR_PEND 0x0001
135 #define L2CAP_CR_BAD_PSM 0x0002
136 #define L2CAP_CR_SEC_BLOCK 0x0003
137 #define L2CAP_CR_NO_MEM 0x0004
140 #define L2CAP_CS_NO_INFO 0x0000
141 #define L2CAP_CS_AUTHEN_PEND 0x0001
142 #define L2CAP_CS_AUTHOR_PEND 0x0002
144 struct l2cap_conf_req {
148 } __attribute__ ((packed));
150 struct l2cap_conf_rsp {
155 } __attribute__ ((packed));
157 #define L2CAP_CONF_SUCCESS 0x0000
158 #define L2CAP_CONF_UNACCEPT 0x0001
159 #define L2CAP_CONF_REJECT 0x0002
160 #define L2CAP_CONF_UNKNOWN 0x0003
162 struct l2cap_conf_opt {
166 } __attribute__ ((packed));
167 #define L2CAP_CONF_OPT_SIZE 2
169 #define L2CAP_CONF_HINT 0x80
170 #define L2CAP_CONF_MASK 0x7f
172 #define L2CAP_CONF_MTU 0x01
173 #define L2CAP_CONF_FLUSH_TO 0x02
174 #define L2CAP_CONF_QOS 0x03
175 #define L2CAP_CONF_RFC 0x04
176 #define L2CAP_CONF_FCS 0x05
178 #define L2CAP_CONF_MAX_SIZE 22
180 struct l2cap_conf_rfc {
184 __le16 retrans_timeout;
185 __le16 monitor_timeout;
187 } __attribute__ ((packed));
189 #define L2CAP_MODE_BASIC 0x00
190 #define L2CAP_MODE_RETRANS 0x01
191 #define L2CAP_MODE_FLOWCTL 0x02
192 #define L2CAP_MODE_ERTM 0x03
193 #define L2CAP_MODE_STREAM 0x04
195 struct l2cap_disconn_req {
198 } __attribute__ ((packed));
200 struct l2cap_disconn_rsp {
203 } __attribute__ ((packed));
205 struct l2cap_info_req {
207 } __attribute__ ((packed));
209 struct l2cap_info_rsp {
213 } __attribute__ ((packed));
216 #define L2CAP_IT_CL_MTU 0x0001
217 #define L2CAP_IT_FEAT_MASK 0x0002
218 #define L2CAP_IT_FIXED_CHAN 0x0003
221 #define L2CAP_IR_SUCCESS 0x0000
222 #define L2CAP_IR_NOTSUPP 0x0001
224 /* ----- L2CAP connections ----- */
225 struct l2cap_chan_list {
232 struct hci_conn *hcon;
244 struct timer_list info_timer;
248 struct sk_buff *rx_skb;
255 struct l2cap_chan_list chan_list;
258 #define L2CAP_INFO_CL_MTU_REQ_SENT 0x01
259 #define L2CAP_INFO_FEAT_MASK_REQ_SENT 0x04
260 #define L2CAP_INFO_FEAT_MASK_REQ_DONE 0x08
262 /* ----- L2CAP channel and socket info ----- */
263 #define l2cap_pi(sk) ((struct l2cap_pinfo *) sk)
287 struct l2cap_conn *conn;
292 #define L2CAP_CONF_REQ_SENT 0x01
293 #define L2CAP_CONF_INPUT_DONE 0x02
294 #define L2CAP_CONF_OUTPUT_DONE 0x04
295 #define L2CAP_CONF_CONNECT_PEND 0x80
297 #define L2CAP_CONF_MAX_RETRIES 2
299 void l2cap_load(void);
301 #endif /* __L2CAP_H */