File-copy from v4.4.100
This is the result of 'cp' from a linux-stable tree with the 'v4.4.100'
tag checked out (commit 26d6298789e695c9f627ce49a7bbd2286405798a) on
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Please refer to that tree for all history prior to this point.
Change-Id: I8a9ee2aea93cd29c52c847d0ce33091a73ae6afe
diff --git a/net/bluetooth/smp.h b/net/bluetooth/smp.h
new file mode 100644
index 0000000..ffcc70b
--- /dev/null
+++ b/net/bluetooth/smp.h
@@ -0,0 +1,210 @@
+/*
+ BlueZ - Bluetooth protocol stack for Linux
+ Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+
+ 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 __SMP_H
+#define __SMP_H
+
+struct smp_command_hdr {
+ __u8 code;
+} __packed;
+
+#define SMP_CMD_PAIRING_REQ 0x01
+#define SMP_CMD_PAIRING_RSP 0x02
+struct smp_cmd_pairing {
+ __u8 io_capability;
+ __u8 oob_flag;
+ __u8 auth_req;
+ __u8 max_key_size;
+ __u8 init_key_dist;
+ __u8 resp_key_dist;
+} __packed;
+
+#define SMP_IO_DISPLAY_ONLY 0x00
+#define SMP_IO_DISPLAY_YESNO 0x01
+#define SMP_IO_KEYBOARD_ONLY 0x02
+#define SMP_IO_NO_INPUT_OUTPUT 0x03
+#define SMP_IO_KEYBOARD_DISPLAY 0x04
+
+#define SMP_OOB_NOT_PRESENT 0x00
+#define SMP_OOB_PRESENT 0x01
+
+#define SMP_DIST_ENC_KEY 0x01
+#define SMP_DIST_ID_KEY 0x02
+#define SMP_DIST_SIGN 0x04
+#define SMP_DIST_LINK_KEY 0x08
+
+#define SMP_AUTH_NONE 0x00
+#define SMP_AUTH_BONDING 0x01
+#define SMP_AUTH_MITM 0x04
+#define SMP_AUTH_SC 0x08
+#define SMP_AUTH_KEYPRESS 0x10
+
+#define SMP_CMD_PAIRING_CONFIRM 0x03
+struct smp_cmd_pairing_confirm {
+ __u8 confirm_val[16];
+} __packed;
+
+#define SMP_CMD_PAIRING_RANDOM 0x04
+struct smp_cmd_pairing_random {
+ __u8 rand_val[16];
+} __packed;
+
+#define SMP_CMD_PAIRING_FAIL 0x05
+struct smp_cmd_pairing_fail {
+ __u8 reason;
+} __packed;
+
+#define SMP_CMD_ENCRYPT_INFO 0x06
+struct smp_cmd_encrypt_info {
+ __u8 ltk[16];
+} __packed;
+
+#define SMP_CMD_MASTER_IDENT 0x07
+struct smp_cmd_master_ident {
+ __le16 ediv;
+ __le64 rand;
+} __packed;
+
+#define SMP_CMD_IDENT_INFO 0x08
+struct smp_cmd_ident_info {
+ __u8 irk[16];
+} __packed;
+
+#define SMP_CMD_IDENT_ADDR_INFO 0x09
+struct smp_cmd_ident_addr_info {
+ __u8 addr_type;
+ bdaddr_t bdaddr;
+} __packed;
+
+#define SMP_CMD_SIGN_INFO 0x0a
+struct smp_cmd_sign_info {
+ __u8 csrk[16];
+} __packed;
+
+#define SMP_CMD_SECURITY_REQ 0x0b
+struct smp_cmd_security_req {
+ __u8 auth_req;
+} __packed;
+
+#define SMP_CMD_PUBLIC_KEY 0x0c
+struct smp_cmd_public_key {
+ __u8 x[32];
+ __u8 y[32];
+} __packed;
+
+#define SMP_CMD_DHKEY_CHECK 0x0d
+struct smp_cmd_dhkey_check {
+ __u8 e[16];
+} __packed;
+
+#define SMP_CMD_KEYPRESS_NOTIFY 0x0e
+struct smp_cmd_keypress_notify {
+ __u8 value;
+} __packed;
+
+#define SMP_CMD_MAX 0x0e
+
+#define SMP_PASSKEY_ENTRY_FAILED 0x01
+#define SMP_OOB_NOT_AVAIL 0x02
+#define SMP_AUTH_REQUIREMENTS 0x03
+#define SMP_CONFIRM_FAILED 0x04
+#define SMP_PAIRING_NOTSUPP 0x05
+#define SMP_ENC_KEY_SIZE 0x06
+#define SMP_CMD_NOTSUPP 0x07
+#define SMP_UNSPECIFIED 0x08
+#define SMP_REPEATED_ATTEMPTS 0x09
+#define SMP_INVALID_PARAMS 0x0a
+#define SMP_DHKEY_CHECK_FAILED 0x0b
+#define SMP_NUMERIC_COMP_FAILED 0x0c
+#define SMP_BREDR_PAIRING_IN_PROGRESS 0x0d
+#define SMP_CROSS_TRANSP_NOT_ALLOWED 0x0e
+
+#define SMP_MIN_ENC_KEY_SIZE 7
+#define SMP_MAX_ENC_KEY_SIZE 16
+
+/* LTK types used in internal storage (struct smp_ltk) */
+enum {
+ SMP_STK,
+ SMP_LTK,
+ SMP_LTK_SLAVE,
+ SMP_LTK_P256,
+ SMP_LTK_P256_DEBUG,
+};
+
+static inline bool smp_ltk_is_sc(struct smp_ltk *key)
+{
+ switch (key->type) {
+ case SMP_LTK_P256:
+ case SMP_LTK_P256_DEBUG:
+ return true;
+ }
+
+ return false;
+}
+
+static inline u8 smp_ltk_sec_level(struct smp_ltk *key)
+{
+ if (key->authenticated) {
+ if (smp_ltk_is_sc(key))
+ return BT_SECURITY_FIPS;
+ else
+ return BT_SECURITY_HIGH;
+ }
+
+ return BT_SECURITY_MEDIUM;
+}
+
+/* Key preferences for smp_sufficient security */
+enum smp_key_pref {
+ SMP_ALLOW_STK,
+ SMP_USE_LTK,
+};
+
+/* SMP Commands */
+void smp_cancel_pairing(struct hci_conn *hcon);
+bool smp_sufficient_security(struct hci_conn *hcon, u8 sec_level,
+ enum smp_key_pref key_pref);
+int smp_conn_security(struct hci_conn *hcon, __u8 sec_level);
+int smp_user_confirm_reply(struct hci_conn *conn, u16 mgmt_op, __le32 passkey);
+
+bool smp_irk_matches(struct hci_dev *hdev, const u8 irk[16],
+ const bdaddr_t *bdaddr);
+int smp_generate_rpa(struct hci_dev *hdev, const u8 irk[16], bdaddr_t *rpa);
+int smp_generate_oob(struct hci_dev *hdev, u8 hash[16], u8 rand[16]);
+
+int smp_register(struct hci_dev *hdev);
+void smp_unregister(struct hci_dev *hdev);
+
+#if IS_ENABLED(CONFIG_BT_SELFTEST_SMP)
+
+int bt_selftest_smp(void);
+
+#else
+
+static inline int bt_selftest_smp(void)
+{
+ return 0;
+}
+
+#endif
+
+#endif /* __SMP_H */