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_MIN_MTU 48
31 #define L2CAP_DEFAULT_FLUSH_TO 0xffff
32 #define L2CAP_DEFAULT_TX_WINDOW 1
33 #define L2CAP_DEFAULT_MAX_RECEIVE 1
34 #define L2CAP_DEFAULT_RETRANS_TO 300 /* 300 milliseconds */
35 #define L2CAP_DEFAULT_MONITOR_TO 1000 /* 1 second */
36 #define L2CAP_DEFAULT_MAX_RX_APDU 0xfff7
38 #define L2CAP_CONN_TIMEOUT (40000) /* 40 seconds */
39 #define L2CAP_INFO_TIMEOUT (4000) /* 4 seconds */
41 /* L2CAP socket address */
43 sa_family_t l2_family;
49 /* L2CAP socket options */
50 #define L2CAP_OPTIONS 0x01
51 struct l2cap_options {
58 #define L2CAP_CONNINFO 0x02
59 struct l2cap_conninfo {
65 #define L2CAP_LM_MASTER 0x0001
66 #define L2CAP_LM_AUTH 0x0002
67 #define L2CAP_LM_ENCRYPT 0x0004
68 #define L2CAP_LM_TRUSTED 0x0008
69 #define L2CAP_LM_RELIABLE 0x0010
70 #define L2CAP_LM_SECURE 0x0020
72 /* L2CAP command codes */
73 #define L2CAP_COMMAND_REJ 0x01
74 #define L2CAP_CONN_REQ 0x02
75 #define L2CAP_CONN_RSP 0x03
76 #define L2CAP_CONF_REQ 0x04
77 #define L2CAP_CONF_RSP 0x05
78 #define L2CAP_DISCONN_REQ 0x06
79 #define L2CAP_DISCONN_RSP 0x07
80 #define L2CAP_ECHO_REQ 0x08
81 #define L2CAP_ECHO_RSP 0x09
82 #define L2CAP_INFO_REQ 0x0a
83 #define L2CAP_INFO_RSP 0x0b
85 /* L2CAP feature mask */
86 #define L2CAP_FEAT_FLOWCTL 0x00000001
87 #define L2CAP_FEAT_RETRANS 0x00000002
88 #define L2CAP_FEAT_ERTM 0x00000008
89 #define L2CAP_FEAT_STREAMING 0x00000010
90 #define L2CAP_FEAT_FCS 0x00000020
91 #define L2CAP_FEAT_FIXED_CHAN 0x00000080
93 /* L2CAP checksum option */
94 #define L2CAP_FCS_NONE 0x00
95 #define L2CAP_FCS_CRC16 0x01
97 /* L2CAP structures */
101 } __attribute__ ((packed));
102 #define L2CAP_HDR_SIZE 4
104 struct l2cap_cmd_hdr {
108 } __attribute__ ((packed));
109 #define L2CAP_CMD_HDR_SIZE 4
111 struct l2cap_cmd_rej {
113 } __attribute__ ((packed));
115 struct l2cap_conn_req {
118 } __attribute__ ((packed));
120 struct l2cap_conn_rsp {
125 } __attribute__ ((packed));
127 /* channel indentifier */
128 #define L2CAP_CID_SIGNALING 0x0001
129 #define L2CAP_CID_CONN_LESS 0x0002
130 #define L2CAP_CID_DYN_START 0x0040
131 #define L2CAP_CID_DYN_END 0xffff
134 #define L2CAP_CR_SUCCESS 0x0000
135 #define L2CAP_CR_PEND 0x0001
136 #define L2CAP_CR_BAD_PSM 0x0002
137 #define L2CAP_CR_SEC_BLOCK 0x0003
138 #define L2CAP_CR_NO_MEM 0x0004
141 #define L2CAP_CS_NO_INFO 0x0000
142 #define L2CAP_CS_AUTHEN_PEND 0x0001
143 #define L2CAP_CS_AUTHOR_PEND 0x0002
145 struct l2cap_conf_req {
149 } __attribute__ ((packed));
151 struct l2cap_conf_rsp {
156 } __attribute__ ((packed));
158 #define L2CAP_CONF_SUCCESS 0x0000
159 #define L2CAP_CONF_UNACCEPT 0x0001
160 #define L2CAP_CONF_REJECT 0x0002
161 #define L2CAP_CONF_UNKNOWN 0x0003
163 struct l2cap_conf_opt {
167 } __attribute__ ((packed));
168 #define L2CAP_CONF_OPT_SIZE 2
170 #define L2CAP_CONF_HINT 0x80
171 #define L2CAP_CONF_MASK 0x7f
173 #define L2CAP_CONF_MTU 0x01
174 #define L2CAP_CONF_FLUSH_TO 0x02
175 #define L2CAP_CONF_QOS 0x03
176 #define L2CAP_CONF_RFC 0x04
177 #define L2CAP_CONF_FCS 0x05
179 #define L2CAP_CONF_MAX_SIZE 22
181 struct l2cap_conf_rfc {
185 __le16 retrans_timeout;
186 __le16 monitor_timeout;
188 } __attribute__ ((packed));
190 #define L2CAP_MODE_BASIC 0x00
191 #define L2CAP_MODE_RETRANS 0x01
192 #define L2CAP_MODE_FLOWCTL 0x02
193 #define L2CAP_MODE_ERTM 0x03
194 #define L2CAP_MODE_STREAMING 0x04
196 struct l2cap_disconn_req {
199 } __attribute__ ((packed));
201 struct l2cap_disconn_rsp {
204 } __attribute__ ((packed));
206 struct l2cap_info_req {
208 } __attribute__ ((packed));
210 struct l2cap_info_rsp {
214 } __attribute__ ((packed));
217 #define L2CAP_IT_CL_MTU 0x0001
218 #define L2CAP_IT_FEAT_MASK 0x0002
219 #define L2CAP_IT_FIXED_CHAN 0x0003
222 #define L2CAP_IR_SUCCESS 0x0000
223 #define L2CAP_IR_NOTSUPP 0x0001
225 /* ----- L2CAP connections ----- */
226 struct l2cap_chan_list {
233 struct hci_conn *hcon;
245 struct timer_list info_timer;
249 struct sk_buff *rx_skb;
256 struct l2cap_chan_list chan_list;
259 #define L2CAP_INFO_CL_MTU_REQ_SENT 0x01
260 #define L2CAP_INFO_FEAT_MASK_REQ_SENT 0x04
261 #define L2CAP_INFO_FEAT_MASK_REQ_DONE 0x08
263 /* ----- L2CAP channel and socket info ----- */
264 #define l2cap_pi(sk) ((struct l2cap_pinfo *) sk)
292 __u16 retrans_timeout;
293 __u16 monitor_timeout;
298 struct l2cap_conn *conn;
303 #define L2CAP_CONF_REQ_SENT 0x01
304 #define L2CAP_CONF_INPUT_DONE 0x02
305 #define L2CAP_CONF_OUTPUT_DONE 0x04
306 #define L2CAP_CONF_MTU_DONE 0x08
307 #define L2CAP_CONF_MODE_DONE 0x10
308 #define L2CAP_CONF_CONNECT_PEND 0x20
309 #define L2CAP_CONF_STATE2_DEVICE 0x80
311 #define L2CAP_CONF_MAX_CONF_REQ 2
312 #define L2CAP_CONF_MAX_CONF_RSP 2
315 void l2cap_load(void);
317 #endif /* __L2CAP_H */