1 files changed, 238 insertions, 0 deletions

diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
new file mode 100644
index 000000000000..8242a0ee1f58
--- /dev/null
+++ b/include/net/bluetooth/l2cap.h
@@ -0,0 +1,238 @@
+/* 
+   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.
+*/
+
+#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;
+};
+
+/* L2CAP socket options */
+#define L2CAP_OPTIONS   0x01
+struct l2cap_options {
+        __u16 omtu;
+        __u16 imtu;
+        __u16 flush_to;
+        __u8  mode;
+};
+
+#define L2CAP_CONNINFO  0x02
+struct l2cap_conninfo {
+        __u16 hci_handle;
+        __u8  dev_class[3];
+};
+
+#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_LM_RELIABLE       0x0010
+#define L2CAP_LM_SECURE         0x0020
+
+/* 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 */
+struct l2cap_hdr {
+        __u16      len;
+        __u16      cid;
+} __attribute__ ((packed));
+#define L2CAP_HDR_SIZE          4
+
+struct l2cap_cmd_hdr {
+        __u8       code;
+        __u8       ident;
+        __u16      len;
+} __attribute__ ((packed));
+#define L2CAP_CMD_HDR_SIZE      4
+
+struct l2cap_cmd_rej {
+        __u16      reason;
+} __attribute__ ((packed));
+
+struct l2cap_conn_req {
+        __u16      psm;
+        __u16      scid;
+} __attribute__ ((packed));
+
+struct l2cap_conn_rsp {
+        __u16      dcid;
+        __u16      scid;
+        __u16      result;
+        __u16      status;
+} __attribute__ ((packed));
+
+/* 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
+
+struct l2cap_conf_req {
+        __u16      dcid;
+        __u16      flags;
+        __u8       data[0];
+} __attribute__ ((packed));
+
+struct l2cap_conf_rsp {
+        __u16      scid;
+        __u16      flags;
+        __u16      result;
+        __u8       data[0];
+} __attribute__ ((packed));
+
+#define L2CAP_CONF_SUCCESS      0x00
+#define L2CAP_CONF_UNACCEPT     0x01
+
+struct l2cap_conf_opt {
+        __u8       type;
+        __u8       len;
+        __u8       val[0];
+} __attribute__ ((packed));
+#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_MAX_SIZE     22
+
+struct l2cap_disconn_req {
+        __u16      dcid;
+        __u16      scid;
+} __attribute__ ((packed));
+
+struct l2cap_disconn_rsp {
+        __u16      dcid;
+        __u16      scid;
+} __attribute__ ((packed));
+
+struct l2cap_info_req {
+        __u16       type;
+        __u8        data[0];
+} __attribute__ ((packed));
+
+struct l2cap_info_rsp {
+        __u16       type;
+        __u16       result;
+        __u8        data[0];
+} __attribute__ ((packed));
+
+/* 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
+
+/* ----- 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)
+
+struct l2cap_pinfo {
+        struct bt_sock  bt;
+        __u16           psm;
+        __u16           dcid;
+        __u16           scid;
+
+        __u16           imtu;
+        __u16           omtu;
+        __u16           flush_to;
+
+        __u32           link_mode;
+
+        __u8            conf_state;
+        __u8            conf_retry;
+        __u16           conf_mtu;
+
+        __u8            ident;
+
+        __u16           sport;
+
+        struct l2cap_conn       *conn;
+        struct sock             *next_c;
+        struct sock             *prev_c;
+};
+
+#define L2CAP_CONF_REQ_SENT    0x01
+#define L2CAP_CONF_INPUT_DONE  0x02
+#define L2CAP_CONF_OUTPUT_DONE 0x04
+#define L2CAP_CONF_MAX_RETRIES 2
+
+void l2cap_load(void);
+
+#endif /* __L2CAP_H */