1/*
  2   BlueZ - Bluetooth protocol stack for Linux
  3   Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
  4
  5   This program is free software; you can redistribute it and/or modify
  6   it under the terms of the GNU General Public License version 2 as
  7   published by the Free Software Foundation;
  8
  9   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 10   OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 11   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
 12   IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
 13   CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
 14   WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 15   ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 16   OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 17
 18   ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
 19   COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
 20   SOFTWARE IS DISCLAIMED.
 21*/
 22
 23#ifndef __SMP_H
 24#define __SMP_H
 25
 26struct smp_command_hdr {
 27	__u8	code;
 28} __packed;
 29
 30#define SMP_CMD_PAIRING_REQ	0x01
 31#define SMP_CMD_PAIRING_RSP	0x02
 32struct smp_cmd_pairing {
 33	__u8	io_capability;
 34	__u8	oob_flag;
 35	__u8	auth_req;
 36	__u8	max_key_size;
 37	__u8	init_key_dist;
 38	__u8	resp_key_dist;
 39} __packed;
 40
 41#define SMP_IO_DISPLAY_ONLY	0x00
 42#define SMP_IO_DISPLAY_YESNO	0x01
 43#define SMP_IO_KEYBOARD_ONLY	0x02
 44#define SMP_IO_NO_INPUT_OUTPUT	0x03
 45#define SMP_IO_KEYBOARD_DISPLAY	0x04
 46
 47#define SMP_OOB_NOT_PRESENT	0x00
 48#define SMP_OOB_PRESENT		0x01
 49
 50#define SMP_DIST_ENC_KEY	0x01
 51#define SMP_DIST_ID_KEY		0x02
 52#define SMP_DIST_SIGN		0x04
 53
 54#define SMP_AUTH_NONE		0x00
 55#define SMP_AUTH_BONDING	0x01
 56#define SMP_AUTH_MITM		0x04
 57
 58#define SMP_CMD_PAIRING_CONFIRM	0x03
 59struct smp_cmd_pairing_confirm {
 60	__u8	confirm_val[16];
 61} __packed;
 62
 63#define SMP_CMD_PAIRING_RANDOM	0x04
 64struct smp_cmd_pairing_random {
 65	__u8	rand_val[16];
 66} __packed;
 67
 68#define SMP_CMD_PAIRING_FAIL	0x05
 69struct smp_cmd_pairing_fail {
 70	__u8	reason;
 71} __packed;
 72
 73#define SMP_CMD_ENCRYPT_INFO	0x06
 74struct smp_cmd_encrypt_info {
 75	__u8	ltk[16];
 76} __packed;
 77
 78#define SMP_CMD_MASTER_IDENT	0x07
 79struct smp_cmd_master_ident {
 80	__u16	ediv;
 81	__u8	rand[8];
 82} __packed;
 83
 84#define SMP_CMD_IDENT_INFO	0x08
 85struct smp_cmd_ident_info {
 86	__u8	irk[16];
 87} __packed;
 88
 89#define SMP_CMD_IDENT_ADDR_INFO	0x09
 90struct smp_cmd_ident_addr_info {
 91	__u8	addr_type;
 92	bdaddr_t bdaddr;
 93} __packed;
 94
 95#define SMP_CMD_SIGN_INFO	0x0a
 96struct smp_cmd_sign_info {
 97	__u8	csrk[16];
 98} __packed;
 99
100#define SMP_CMD_SECURITY_REQ	0x0b
101struct smp_cmd_security_req {
102	__u8	auth_req;
103} __packed;
104
105#define SMP_PASSKEY_ENTRY_FAILED	0x01
106#define SMP_OOB_NOT_AVAIL		0x02
107#define SMP_AUTH_REQUIREMENTS		0x03
108#define SMP_CONFIRM_FAILED		0x04
109#define SMP_PAIRING_NOTSUPP		0x05
110#define SMP_ENC_KEY_SIZE		0x06
111#define SMP_CMD_NOTSUPP		0x07
112#define SMP_UNSPECIFIED		0x08
113#define SMP_REPEATED_ATTEMPTS		0x09
114
115#define SMP_MIN_ENC_KEY_SIZE		7
116#define SMP_MAX_ENC_KEY_SIZE		16
117
118/* SMP Commands */
119int smp_conn_security(struct l2cap_conn *conn, __u8 sec_level);
120int smp_sig_channel(struct l2cap_conn *conn, struct sk_buff *skb);
121int smp_distribute_keys(struct l2cap_conn *conn, __u8 force);
122
123#endif /* __SMP_H */