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authorAndre Eisenbach <andre@broadcom.com>2012-02-22 13:18:21 -0800
committerMatthew Xie <mattx@google.com>2012-07-14 11:19:11 -0700
commite448862a47c08eb23185aaed574b39264f5005fc (patch)
tree2bc6246e3091315e77224fd798ea2fe8074ef972 /stack/smp/smp_main.c
parenta2ca4b83ab8bbbfd8d5f6693e927ed4b82094624 (diff)
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Initial Bluedroid stack commit
Diffstat (limited to 'stack/smp/smp_main.c')
-rw-r--r--stack/smp/smp_main.c511
1 files changed, 511 insertions, 0 deletions
diff --git a/stack/smp/smp_main.c b/stack/smp/smp_main.c
new file mode 100644
index 0000000..1b67011
--- /dev/null
+++ b/stack/smp/smp_main.c
@@ -0,0 +1,511 @@
+/*****************************************************************************
+**
+** Name: smp_main.c
+**
+** File: SMP State Machine and Control Block Access Functions
+**
+** Copyright (c) 2003-2009, Broadcom Corp., All Rights Reserved.
+** WIDCOMM Bluetooth Core. Proprietary and confidential.
+**
+*****************************************************************************/
+
+#include "bt_target.h"
+
+#if SMP_INCLUDED == TRUE
+
+ #include <string.h>
+ #include "smp_int.h"
+
+
+const char * const smp_state_name [] =
+{
+ "SMP_ST_IDLE",
+ "SMP_ST_WAIT_APP_RSP",
+ "SMP_ST_SEC_REQ_PENDING",
+ "SMP_ST_PAIR_REQ_RSP",
+ "SMP_ST_WAIT_CONFIRM",
+ "SMP_ST_CONFIRM",
+ "SMP_ST_RAND",
+ "SMP_ST_ENC_PENDING",
+ "SMP_ST_BOND_PENDING",
+ "SMP_ST_RELEASE_DELAY",
+ "SMP_ST_MAX"
+};
+const char * const smp_event_name [] =
+{
+ "PAIRING_REQ_EVT",
+ "PAIRING_RSP_EVT",
+ "CONFIRM_EVT",
+ "RAND_EVT",
+ "PAIRING_FAILED_EVT",
+ "ENC_INFO_EVT",
+ "MASTER_ID_EVT",
+ "ID_INFO_EVT",
+ "ID_ADDR_EVT",
+ "SIGN_INFO_EVT",
+ "SECURITY_REQ_EVT",
+ "KEY_READY_EVT",
+ "ENCRYPTED_EVT",
+ "L2CAP_CONN_EVT",
+ "L2CAP_DISCONN_EVT",
+ "API_IO_RSP_EVT",
+ "API_SEC_GRANT_EVT",
+ "TK_REQ_EVT",
+ "AUTH_CMPL_EVT",
+ "ENC_REQ_EVT",
+ "BOND_REQ_EVT",
+ "DISCARD_SEC_REQ_EVT",
+ "RELEASE_DELAY_EVT",
+ "RELEASE_DELAY_TOUT_EVT",
+ "MAX_EVT"
+};
+const char * smp_get_event_name(tSMP_EVENT event);
+const char * smp_get_state_name(tSMP_STATE state);
+
+ #define SMP_SM_IGNORE 0
+ #define SMP_NUM_ACTIONS 2
+ #define SMP_SME_NEXT_STATE 2
+ #define SMP_SM_NUM_COLS 3
+typedef const UINT8 (*tSMP_SM_TBL)[SMP_SM_NUM_COLS];
+
+enum
+{
+ SMP_PROC_SEC_REQ,
+ SMP_SEND_PAIR_REQ,
+ SMP_SEND_PAIR_RSP,
+ SMP_SEND_CONFIRM,
+ SMP_SEND_PAIR_FAIL,
+ SMP_SEND_INIT,
+ SMP_SEND_SECU_INFO,
+ SMP_SEND_ID_INFO,
+ SMP_SEND_LTK_REPLY,
+ SMP_PROC_PAIR_CMD,
+ SMP_PROC_PAIR_FAIL,
+ SMP_PROC_CONFIRM,
+ SMP_PROC_INIT,
+ SMP_PROC_ENC_INFO,
+ SMP_PROC_MASTER_ID,
+ SMP_PROC_ID_INFO,
+ SMP_PROC_ID_ADDR,
+ SMP_PROC_SRK_INFO,
+ SMP_PROC_SEC_GRANT,
+ SMP_PROC_SL_KEY,
+ SMP_PROC_COMPARE,
+ SMP_PROC_IO_RSP,
+ SMP_GENERATE_COMPARE,
+ SMP_GENERATE_CONFIRM,
+ SMP_GENERATE_STK,
+ SMP_KEY_DISTRIBUTE,
+ SMP_START_ENC,
+ SMP_PAIRING_CMPL,
+ SMP_DECIDE_ASSO_MODEL,
+ SMP_SEND_APP_CBACK,
+ SMP_CHECK_AUTH_REQ,
+ SMP_PAIR_TERMINATE,
+ SMP_ENC_CMPL,
+ SMP_PROC_DISCARD,
+ SMP_PROC_REL_DELAY,
+ SMP_PROC_REL_DELAY_TOUT,
+ SMP_SM_NO_ACTION
+};
+
+static const tSMP_ACT smp_sm_action[] =
+{
+ smp_proc_sec_req,
+ smp_send_pair_req,
+ smp_send_pair_rsp,
+ smp_send_confirm,
+ smp_send_pair_fail,
+ smp_send_init,
+ smp_send_enc_info,
+ smp_send_id_info,
+ smp_send_ltk_reply,
+ smp_proc_pair_cmd,
+ smp_proc_pair_fail,
+ smp_proc_confirm,
+ smp_proc_init,
+ smp_proc_enc_info,
+ smp_proc_master_id,
+ smp_proc_id_info,
+ smp_proc_id_addr,
+ smp_proc_srk_info,
+ smp_proc_sec_grant,
+ smp_proc_sl_key,
+ smp_proc_compare,
+ smp_proc_io_rsp,
+ smp_generate_compare,
+ smp_generate_confirm,
+ smp_generate_stk,
+ smp_key_distribution,
+ smp_start_enc,
+ smp_pairing_cmpl,
+ smp_decide_asso_model,
+ smp_send_app_cback,
+ smp_check_auth_req,
+ smp_pair_terminate,
+ smp_enc_cmpl,
+ smp_proc_discard,
+ smp_proc_release_delay,
+ smp_proc_release_delay_tout,
+};
+/************ SMP Master FSM State/Event Indirection Table **************/
+static const UINT8 smp_ma_entry_map[][SMP_ST_MAX] =
+{
+/* state name: Idle WaitApp SecReq Pair Wait Confirm Init Enc Bond Rel
+ Rsp Pend ReqRsp Cfm Pend Pend Delay */
+/* PAIR_REQ */{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+/* PAIR_RSP */{ 0, 0, 0, 1, 0, 0, 0, 0, 0, 0 },
+/* CONFIRM */{ 0, 0, 0, 0, 0, 1, 0, 0, 0, 0 },
+/* INIT */{ 0, 0, 0, 0, 0, 0, 1, 0, 0, 0 },
+/* PAIR_FAIL */{ 0, 0x81, 0, 0x81, 0x81,0x81, 0x81,0, 0, 0 },
+/* ENC_INFO */{ 0, 0, 0, 0, 0, 0, 0, 0, 1, 0 },
+/* MASTER_ID */{ 0, 0, 0, 0, 0, 0, 0, 0, 4, 0 },
+/* ID_INFO */{ 0, 0, 0, 0, 0, 0, 0, 0, 2, 0 },
+/* ID_ADDR */{ 0, 0, 0, 0, 0, 0, 0, 0, 5, 0 },
+/* SIGN_INFO */{ 0, 0, 0, 0, 0, 0, 0, 0, 3, 0 },
+/* SEC_REQ */{ 2, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+/* KEY_READY */{ 0, 3, 0, 3, 1, 0, 2, 1, 6, 0 },
+/* ENC_CMPL */{ 0, 0, 0, 0, 0, 0, 0, 2, 0, 0 },
+/* L2C_CONN */{ 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+/* L2C_DISC */{ 0, 0x83, 0, 0x83, 0x83,0x83, 0x83,0x83, 0x83, 2 },
+/* IO_RSP */{ 0, 2, 0, 0, 0, 0, 0, 0, 0, 0 },
+/* SEC_GRANT */{ 0, 1, 0, 0, 0, 0, 0, 0, 0, 0 },
+/* TK_REQ */{ 0, 0, 0, 2, 0, 0, 0, 0, 0, 0 },
+/* AUTH_CMPL */{ 0, 0x82, 0, 0x82, 0x82,0x82, 0x82,0x82, 0x82, 0 },
+/* ENC_REQ */{ 0, 4, 0, 0, 0, 0, 3, 0, 0, 0 },
+/* BOND_REQ */{ 0, 0, 0, 0, 0, 0, 0, 3, 0, 0 },
+/* DISCARD_SEC_REQ */{ 0, 5, 0, 0, 0, 0, 0, 3, 0, 0 },
+/* RELEASE_DELAY */{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 },
+/* RELEASE_DELAY_TOUT */{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 2 },
+};
+
+static const UINT8 smp_all_table[][SMP_SM_NUM_COLS] = {
+/* Event Action Next State */
+/* PAIR_FAIL */ {SMP_PROC_PAIR_FAIL, SMP_PROC_REL_DELAY_TOUT, SMP_ST_IDLE},
+/* AUTH_CMPL */ {SMP_SEND_PAIR_FAIL, SMP_PAIRING_CMPL, SMP_ST_RELEASE_DELAY},
+/* L2C_DISC */ {SMP_PAIR_TERMINATE, SMP_SM_NO_ACTION, SMP_ST_IDLE}
+};
+
+static const UINT8 smp_ma_idle_table[][SMP_SM_NUM_COLS] = {
+/* Event Action Next State */
+/* L2C_CONN */ {SMP_SEND_APP_CBACK, SMP_SM_NO_ACTION, SMP_ST_WAIT_APP_RSP},
+/* SEC_REQ */ {SMP_PROC_SEC_REQ, SMP_SEND_APP_CBACK, SMP_ST_WAIT_APP_RSP}
+};
+
+static const UINT8 smp_ma_wait_app_rsp_table[][SMP_SM_NUM_COLS] = {
+/* Event Action Next State */
+/* SEC_GRANT */ { SMP_PROC_SEC_GRANT, SMP_SEND_APP_CBACK, SMP_ST_WAIT_APP_RSP},
+/* IO_RSP */ { SMP_SEND_PAIR_REQ, SMP_SM_NO_ACTION, SMP_ST_PAIR_REQ_RSP},
+/* KEY_READY */ { SMP_GENERATE_CONFIRM, SMP_SM_NO_ACTION, SMP_ST_WAIT_CONFIRM},/* TK ready */
+/* ENC_REQ */ { SMP_START_ENC, SMP_SM_NO_ACTION, SMP_ST_ENC_PENDING},/* start enc mode setup */
+/* DISCARD_SEC_REQ */ { SMP_PROC_DISCARD, SMP_SM_NO_ACTION, SMP_ST_IDLE}
+};
+
+static const UINT8 smp_ma_pair_req_rsp_table [][SMP_SM_NUM_COLS] = {
+/* Event Action Next State */
+/* PAIR_RSP */ { SMP_PROC_PAIR_CMD, SMP_DECIDE_ASSO_MODEL, SMP_ST_PAIR_REQ_RSP},
+/* TK_REQ */ { SMP_SEND_APP_CBACK, SMP_SM_NO_ACTION, SMP_ST_WAIT_APP_RSP},
+/* KEY_READY */{ SMP_GENERATE_CONFIRM, SMP_SM_NO_ACTION, SMP_ST_WAIT_CONFIRM} /* TK ready */
+};
+
+static const UINT8 smp_ma_wait_confirm_table[][SMP_SM_NUM_COLS] = {
+/* Event Action Next State */
+/* KEY_READY*/ {SMP_SEND_CONFIRM, SMP_SM_NO_ACTION, SMP_ST_CONFIRM}/* CONFIRM ready */
+};
+
+static const UINT8 smp_ma_confirm_table [][SMP_SM_NUM_COLS] = {
+/* Event Action Next State */
+/* CONFIRM */ { SMP_PROC_CONFIRM, SMP_SEND_INIT, SMP_ST_RAND}
+};
+
+static const UINT8 smp_ma_init_table [][SMP_SM_NUM_COLS] = {
+/* Event Action Next State */
+/* INIT */ { SMP_PROC_INIT, SMP_GENERATE_COMPARE, SMP_ST_RAND},
+/* KEY_READY*/ { SMP_PROC_COMPARE, SMP_SM_NO_ACTION, SMP_ST_RAND}, /* Compare ready */
+/* ENC_REQ */ { SMP_GENERATE_STK, SMP_SM_NO_ACTION, SMP_ST_ENC_PENDING}
+};
+static const UINT8 smp_ma_enc_pending_table[][SMP_SM_NUM_COLS] = {
+/* Event Action Next State */
+/* KEY_READY */ { SMP_START_ENC, SMP_SM_NO_ACTION, SMP_ST_ENC_PENDING}, /* STK ready */
+/* ENCRYPTED */ { SMP_CHECK_AUTH_REQ, SMP_SM_NO_ACTION, SMP_ST_ENC_PENDING},
+/* BOND_REQ */ { SMP_KEY_DISTRIBUTE, SMP_SM_NO_ACTION, SMP_ST_BOND_PENDING}
+};
+static const UINT8 smp_ma_bond_pending_table[][SMP_SM_NUM_COLS] = {
+/* Event Action Next State */
+/* ENC_INFO */ { SMP_PROC_ENC_INFO, SMP_SM_NO_ACTION, SMP_ST_BOND_PENDING},
+/* ID_INFO */ { SMP_PROC_ID_INFO, SMP_SM_NO_ACTION, SMP_ST_BOND_PENDING},
+/* SIGN_INFO*/ { SMP_PROC_SRK_INFO, SMP_SM_NO_ACTION, SMP_ST_BOND_PENDING},
+/* MASTER_ID*/ { SMP_PROC_MASTER_ID, SMP_SM_NO_ACTION, SMP_ST_BOND_PENDING},
+/* ID_ADDR */ { SMP_PROC_ID_ADDR, SMP_SM_NO_ACTION, SMP_ST_BOND_PENDING},
+/* KEY_READY */ {SMP_SEND_SECU_INFO, SMP_SM_NO_ACTION, SMP_ST_BOND_PENDING} /* LTK ready */
+};
+
+static const UINT8 smp_ma_rel_delay_table[][SMP_SM_NUM_COLS] = {
+/* Event Action Next State */
+/* RELEASE_DELAY*/ {SMP_PROC_REL_DELAY, SMP_SM_NO_ACTION, SMP_ST_RELEASE_DELAY},
+/* RELEASE_DELAY_TOUT*/ {SMP_PROC_REL_DELAY_TOUT, SMP_SM_NO_ACTION, SMP_ST_IDLE}
+};
+
+
+/************ SMP Slave FSM State/Event Indirection Table **************/
+static const UINT8 smp_sl_entry_map[][SMP_ST_MAX] =
+{
+/* state name: Idle Wait SecReq Pair Wait Confirm Init Enc Bond Rel
+ AppRsp Pend ReqRsp Cfm Pend Pend Delay */
+/* PAIR_REQ */ { 2, 0, 1, 0, 0, 0, 0, 0, 0, 0 },
+/* PAIR_RSP */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+/* CONFIRM */ { 0, 4, 0, 1, 1, 0, 0, 0, 0, 0 },
+/* INIT */ { 0, 0, 0, 0, 0, 1, 2, 0, 0, 0 },
+/* PAIR_FAIL*/ { 0, 0x81, 0x81, 0x81, 0x81,0x81, 0x81,0x81, 0, 0 },
+/* ENC_INFO */ { 0, 0, 0, 0, 0, 0, 0, 0, 3, 0 },
+/* MASTER_ID*/ { 0, 0, 0, 0, 0, 0, 0, 0, 5, 0 },
+/* ID_INFO */ { 0, 0, 0, 0, 0, 0, 0, 0, 4, 0 },
+/* ID_ADDR */ { 0, 0, 0, 0, 0, 0, 0, 0, 6, 0 },
+/* SIGN_INFO*/ { 0, 0, 0, 0, 0, 0, 0, 0, 2, 0 },
+/* SEC_REQ */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+
+/* KEY_READY*/ { 0, 3, 0, 3, 2, 2, 1, 2, 1, 0 },
+/* ENC_CMPL */ { 0, 0, 2, 0, 0, 0, 0, 3, 0, 0 },
+/* L2C_CONN */ { 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+/* L2C_DISC */ { 0, 0x83, 0x83, 0x83, 0x83,0x83, 0x83,0x83, 0x83, 2 },
+/* IO_RSP */ { 0, 1, 0, 0, 0, 0, 0, 0, 0, 0 },
+/* SEC_GRANT*/ { 0, 2, 0, 0, 0, 0, 0, 0, 0, 0 },
+
+/* TK_REQ */ { 0, 0, 0, 2, 0, 0, 0, 0, 0, 0 },
+/* AUTH_CMPL*/ { 0, 0x82, 0x82, 0x82, 0x82,0x82, 0x82,0x82, 0x82, 0 },
+/* ENC_REQ */ { 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 },
+/* BOND_REQ */ { 0, 0, 0, 0, 0, 0, 0, 4, 0, 0 },
+/* DISCARD_SEC_REQ */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+/* RELEASE_DELAY */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 },
+/* RELEASE_DELAY_TOUT */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 2 },
+};
+
+static const UINT8 smp_sl_idle_table[][SMP_SM_NUM_COLS] = {
+/* Event Action Next State */
+/* L2C_CONN */ {SMP_SEND_APP_CBACK, SMP_SM_NO_ACTION, SMP_ST_WAIT_APP_RSP},
+/* PAIR_REQ */ {SMP_PROC_PAIR_CMD, SMP_SEND_APP_CBACK, SMP_ST_WAIT_APP_RSP}
+};
+
+static const UINT8 smp_sl_wait_app_rsp_table [][SMP_SM_NUM_COLS] = {
+/* Event Action Next State */
+/* IO_RSP */ {SMP_PROC_IO_RSP, SMP_SM_NO_ACTION, SMP_ST_PAIR_REQ_RSP},
+/* SEC_GRANT */ {SMP_PROC_SEC_GRANT, SMP_SEND_APP_CBACK, SMP_ST_WAIT_APP_RSP},
+/* KEY_READY */ {SMP_PROC_SL_KEY, SMP_SM_NO_ACTION, SMP_ST_WAIT_APP_RSP},/* TK ready */
+/* CONFIRM */ {SMP_PROC_CONFIRM, SMP_SM_NO_ACTION, SMP_ST_CONFIRM}
+};
+
+static const UINT8 smp_sl_sec_request_table[][SMP_SM_NUM_COLS] = {
+/* Event Action Next State */
+/* PAIR_REQ */{SMP_PROC_PAIR_CMD, SMP_SEND_PAIR_RSP, SMP_ST_PAIR_REQ_RSP},
+/* ENCRYPTED*/{SMP_ENC_CMPL, SMP_SM_NO_ACTION, SMP_ST_PAIR_REQ_RSP},
+};
+
+static const UINT8 smp_sl_pair_req_rsp_table[][SMP_SM_NUM_COLS] = {
+/* Event Action Next State */
+/* CONFIRM */ {SMP_PROC_CONFIRM, SMP_SM_NO_ACTION, SMP_ST_CONFIRM},
+/* TK_REQ */ {SMP_SEND_APP_CBACK, SMP_SM_NO_ACTION, SMP_ST_WAIT_APP_RSP},
+/* KEY_READY */{SMP_PROC_SL_KEY, SMP_SM_NO_ACTION, SMP_ST_PAIR_REQ_RSP} /* TK/Confirm ready */
+
+};
+
+static const UINT8 smp_sl_wait_confirm_table[][SMP_SM_NUM_COLS] = {
+/* Event Action Next State */
+/* CONFIRM */ {SMP_PROC_CONFIRM, SMP_SEND_CONFIRM, SMP_ST_CONFIRM},
+/* KEY_READY*/ {SMP_PROC_SL_KEY, SMP_SM_NO_ACTION, SMP_ST_WAIT_CONFIRM}
+};
+static const UINT8 smp_sl_confirm_table [][SMP_SM_NUM_COLS] = {
+/* Event Action Next State */
+/* INIT_EVT */{ SMP_PROC_INIT, SMP_GENERATE_COMPARE, SMP_ST_RAND},
+/* KEY_READY*/ {SMP_PROC_SL_KEY, SMP_SM_NO_ACTION, SMP_ST_CONFIRM} /* TK/Confirm ready */
+};
+static const UINT8 smp_sl_init_table [][SMP_SM_NUM_COLS] = {
+/* Event Action Next State */
+/* KEY_READY */ {SMP_PROC_COMPARE, SMP_SM_NO_ACTION, SMP_ST_RAND}, /* compare match */
+/* INIT_EVT */ {SMP_SEND_INIT, SMP_SM_NO_ACTION, SMP_ST_ENC_PENDING}
+};
+static const UINT8 smp_sl_enc_pending_table[][SMP_SM_NUM_COLS] = {
+/* Event Action Next State */
+/* ENC_REQ */ {SMP_GENERATE_STK, SMP_SM_NO_ACTION, SMP_ST_ENC_PENDING},
+/* KEY_READY */ {SMP_SEND_LTK_REPLY, SMP_SM_NO_ACTION, SMP_ST_ENC_PENDING},/* STK ready */
+/* ENCRYPTED */ {SMP_CHECK_AUTH_REQ, SMP_SM_NO_ACTION, SMP_ST_ENC_PENDING},
+/* BOND_REQ */ {SMP_KEY_DISTRIBUTE, SMP_SM_NO_ACTION, SMP_ST_BOND_PENDING}
+};
+static const UINT8 smp_sl_bond_pending_table[][SMP_SM_NUM_COLS] = {
+/* Event Action Next State */
+/* KEY_READY */ {SMP_SEND_SECU_INFO, SMP_SM_NO_ACTION, SMP_ST_BOND_PENDING}, /* LTK ready */
+/* SIGN_INFO */ {SMP_PROC_SRK_INFO, SMP_SM_NO_ACTION, SMP_ST_BOND_PENDING}, /* rev SRK */
+/* ENC_INFO */ { SMP_PROC_ENC_INFO, SMP_SM_NO_ACTION, SMP_ST_BOND_PENDING},
+/* ID_INFO */ { SMP_PROC_ID_INFO, SMP_SM_NO_ACTION, SMP_ST_BOND_PENDING},
+/* MASTER_ID*/ { SMP_PROC_MASTER_ID, SMP_SM_NO_ACTION, SMP_ST_BOND_PENDING},
+/* ID_ADDR */ { SMP_PROC_ID_ADDR, SMP_SM_NO_ACTION, SMP_ST_BOND_PENDING}
+
+};
+
+static const UINT8 smp_sl_rel_delay_table[][SMP_SM_NUM_COLS] = {
+/* Event Action Next State */
+/* RELEASE_DELAY*/ {SMP_PROC_REL_DELAY, SMP_SM_NO_ACTION, SMP_ST_RELEASE_DELAY},
+/* RELEASE_DELAY_TOUT*/ {SMP_PROC_REL_DELAY_TOUT, SMP_SM_NO_ACTION, SMP_ST_IDLE}
+};
+
+static const tSMP_SM_TBL smp_state_table[][2] = {
+ {smp_ma_idle_table, smp_sl_idle_table}, /* SMP_ST_IDLE*/
+ {smp_ma_wait_app_rsp_table, smp_sl_wait_app_rsp_table}, /* SMP_ST_WAIT_APP_RSP */
+ {NULL, smp_sl_sec_request_table}, /* SMP_ST_SEC_REQ_PENDING */
+ {smp_ma_pair_req_rsp_table, smp_sl_pair_req_rsp_table}, /* SMP_ST_PAIR_REQ_RSP */
+ {smp_ma_wait_confirm_table, smp_sl_wait_confirm_table}, /* SMP_ST_WAIT_CONFIRM */
+ {smp_ma_confirm_table, smp_sl_confirm_table}, /* SMP_ST_CONFIRM */
+ {smp_ma_init_table, smp_sl_init_table}, /* SMP_ST_RAND */
+ {smp_ma_enc_pending_table, smp_sl_enc_pending_table}, /* SMP_ST_ENC_PENDING */
+ {smp_ma_bond_pending_table, smp_sl_bond_pending_table}, /* SMP_ST_BOND_PENDING */
+ {smp_ma_rel_delay_table, smp_sl_rel_delay_table} /* SMP_ST_RELEASE_DELAY */
+};
+
+typedef const UINT8 (*tSMP_ENTRY_TBL)[SMP_ST_MAX];
+static const tSMP_ENTRY_TBL smp_entry_table[] ={
+ smp_ma_entry_map,
+ smp_sl_entry_map
+};
+
+#if SMP_DYNAMIC_MEMORY == FALSE
+tSMP_CB smp_cb;
+#endif
+#define SMP_ALL_TBL_MASK 0x80
+
+
+/*******************************************************************************
+** Function smp_set_state
+** Returns None
+*******************************************************************************/
+void smp_set_state(tSMP_STATE state)
+{
+ if (state < SMP_ST_MAX)
+ {
+ SMP_TRACE_DEBUG4( "State change: %s(%d) ==> %s(%d)",
+ smp_get_state_name(smp_cb.state), smp_cb.state,
+ smp_get_state_name(state), state );
+ smp_cb.state = state;
+ }
+ else
+ {
+ SMP_TRACE_DEBUG1("smp_set_state invalid state =%d", state );
+ }
+}
+
+/*******************************************************************************
+** Function smp_get_state
+** Returns The smp state
+*******************************************************************************/
+tSMP_STATE smp_get_state(void)
+{
+ return smp_cb.state;
+}
+
+
+/*******************************************************************************
+**
+** Function smp_sm_event
+**
+** Description Handle events to the state machine. It looks up the entry
+** in the smp_entry_table array.
+** If it is a valid entry, it gets the state table.Set the next state,
+** if not NULL state.Execute the action function according to the
+** state table. If the state returned by action function is not NULL
+** state, adjust the new state to the returned state.If (api_evt != MAX),
+** call callback function.
+**
+** Returns void.
+**
+*******************************************************************************/
+void smp_sm_event(tSMP_CB *p_cb, tSMP_EVENT event, void *p_data)
+{
+ UINT8 curr_state = p_cb->state;
+ tSMP_SM_TBL state_table;
+ UINT8 action, entry, i;
+ tSMP_ENTRY_TBL entry_table = smp_entry_table[p_cb->role];
+
+ SMP_TRACE_EVENT0("main smp_sm_event");
+ if (curr_state >= SMP_ST_MAX)
+ {
+ SMP_TRACE_DEBUG1( "Invalid state: %d", curr_state) ;
+ return;
+ }
+
+ SMP_TRACE_DEBUG5( "SMP Role: %s State: [%s (%d)], Event: [%s (%d)]",\
+ (p_cb->role == 0x01) ?"Slave" : "Master", smp_get_state_name( p_cb->state),
+ p_cb->state, smp_get_event_name(event), event) ;
+
+ /* look up the state table for the current state */
+ /* lookup entry /w event & curr_state */
+ /* If entry is ignore, return.
+ * Otherwise, get state table (according to curr_state or all_state) */
+ if ( (entry = entry_table[event - 1][curr_state]) != SMP_SM_IGNORE )
+ {
+ if (entry & SMP_ALL_TBL_MASK)
+ {
+ entry &= ~SMP_ALL_TBL_MASK;
+ state_table = smp_all_table;
+ }
+ else
+ state_table = smp_state_table[curr_state][p_cb->role];
+ }
+ else
+ {
+ SMP_TRACE_DEBUG4( "Ignore event [%s (%d)] in state [%s (%d)]",
+ smp_get_event_name(event), event, smp_get_state_name(curr_state), curr_state);
+ return;
+ }
+
+ /* Get possible next state from state table. */
+
+ smp_set_state(state_table[entry-1][SMP_SME_NEXT_STATE]);
+
+ /* If action is not ignore, clear param, exec action and get next state.
+ * The action function may set the Param for cback.
+ * Depending on param, call cback or free buffer. */
+ /* execute action */
+ /* execute action functions */
+ for (i = 0; i < SMP_NUM_ACTIONS; i++)
+ {
+ if ((action = state_table[entry-1][i]) != SMP_SM_NO_ACTION)
+ {
+ (*smp_sm_action[action])(p_cb, (tSMP_INT_DATA *)p_data);
+ }
+ else
+ {
+ break;
+ }
+ }
+ SMP_TRACE_DEBUG1( "result state = %s", smp_get_state_name( p_cb->state ) ) ;
+}
+
+
+/*******************************************************************************
+** Function smp_get_state_name
+** Returns The smp state name.
+*******************************************************************************/
+const char * smp_get_state_name(tSMP_STATE state)
+{
+ const char * p_str = smp_state_name[SMP_ST_MAX];
+
+ if (state < SMP_ST_MAX)
+ {
+ p_str = smp_state_name[state];
+ }
+ return p_str;
+}
+/*******************************************************************************
+** Function smp_get_event_name
+** Returns The smp event name.
+*******************************************************************************/
+const char * smp_get_event_name(tSMP_EVENT event)
+{
+ const char * p_str = smp_event_name[SMP_MAX_EVT - 1];
+
+ if (event < SMP_MAX_EVT)
+ {
+ p_str = smp_event_name[event- 1];
+ }
+ return p_str;
+}
+#endif
+