/******************************************************************************
*
* Copyright (C) 2010-2014 Broadcom Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/******************************************************************************
*
* This is the main implementation file for the NFA P2P.
*
******************************************************************************/
#include <string.h>
#include "nfc_api.h"
#include "nfa_sys.h"
#include "nfa_sys_int.h"
#include "nfa_dm_int.h"
#include "llcp_api.h"
#include "llcp_defs.h"
#include "nfa_p2p_api.h"
#include "nfa_p2p_int.h"
/*****************************************************************************
** Global Variables
*****************************************************************************/
/* system manager control block definition */
#if NFA_DYNAMIC_MEMORY == FALSE
tNFA_P2P_CB nfa_p2p_cb;
#endif
/*****************************************************************************
** Static Functions
*****************************************************************************/
/* event handler function type */
static BOOLEAN nfa_p2p_evt_hdlr (BT_HDR *p_msg);
/* disable function type */
static void nfa_p2p_sys_disable (void);
static void nfa_p2p_update_active_listen (void);
/* debug functions type */
#if (BT_TRACE_VERBOSE == TRUE)
static char *nfa_p2p_llcp_state_code (tNFA_P2P_LLCP_STATE state_code);
#endif
/*****************************************************************************
** Constants
*****************************************************************************/
/* timeout to restore active listen mode if no RF activation on passive mode */
#define NFA_P2P_RESTORE_ACTIVE_LISTEN_TIMEOUT 5000
static const tNFA_SYS_REG nfa_p2p_sys_reg =
{
NULL,
nfa_p2p_evt_hdlr,
nfa_p2p_sys_disable,
NULL
};
#define NFA_P2P_NUM_ACTIONS (NFA_P2P_LAST_EVT & 0x00ff)
/* type for action functions */
typedef BOOLEAN (*tNFA_P2P_ACTION) (tNFA_P2P_MSG *p_data);
/* action function list */
const tNFA_P2P_ACTION nfa_p2p_action[] =
{
nfa_p2p_reg_server, /* NFA_P2P_API_REG_SERVER_EVT */
nfa_p2p_reg_client, /* NFA_P2P_API_REG_CLIENT_EVT */
nfa_p2p_dereg, /* NFA_P2P_API_DEREG_EVT */
nfa_p2p_accept_connection, /* NFA_P2P_API_ACCEPT_CONN_EVT */
nfa_p2p_reject_connection, /* NFA_P2P_API_REJECT_CONN_EVT */
nfa_p2p_disconnect, /* NFA_P2P_API_DISCONNECT_EVT */
nfa_p2p_create_data_link_connection, /* NFA_P2P_API_CONNECT_EVT */
nfa_p2p_send_ui, /* NFA_P2P_API_SEND_UI_EVT */
nfa_p2p_send_data, /* NFA_P2P_API_SEND_DATA_EVT */
nfa_p2p_set_local_busy, /* NFA_P2P_API_SET_LOCAL_BUSY_EVT */
nfa_p2p_get_link_info, /* NFA_P2P_API_GET_LINK_INFO_EVT */
nfa_p2p_get_remote_sap, /* NFA_P2P_API_GET_REMOTE_SAP_EVT */
nfa_p2p_set_llcp_cfg, /* NFA_P2P_API_SET_LLCP_CFG_EVT */
nfa_p2p_restart_rf_discovery /* NFA_P2P_INT_RESTART_RF_DISC_EVT */
};
/*******************************************************************************
**
** Function nfa_p2p_discovery_cback
**
** Description Processing event from discovery callback for listening
**
**
** Returns None
**
*******************************************************************************/
void nfa_p2p_discovery_cback (tNFA_DM_RF_DISC_EVT event, tNFC_DISCOVER *p_data)
{
tNFA_CONN_EVT_DATA evt_data;
P2P_TRACE_DEBUG1 ("nfa_p2p_discovery_cback (): event:0x%02X", event);
switch (event)
{
case NFA_DM_RF_DISC_START_EVT:
if (p_data->status == NFC_STATUS_OK)
{
nfa_p2p_cb.llcp_state = NFA_P2P_LLCP_STATE_LISTENING;
nfa_p2p_cb.rf_disc_state = NFA_DM_RFST_DISCOVERY;
}
break;
case NFA_DM_RF_DISC_ACTIVATED_EVT:
nfa_p2p_cb.rf_disc_state = NFA_DM_RFST_LISTEN_ACTIVE;
/* notify NFC link activation */
memcpy (&(evt_data.activated.activate_ntf),
&(p_data->activate),
sizeof (tNFC_ACTIVATE_DEVT));
nfa_dm_conn_cback_event_notify (NFA_ACTIVATED_EVT, &evt_data);
if ((p_data->activate.protocol == NFC_PROTOCOL_NFC_DEP)
&&(p_data->activate.intf_param.type == NFC_INTERFACE_NFC_DEP))
{
nfa_p2p_activate_llcp (p_data);
/* stop timer not to deactivate LLCP link on passive mode */
nfa_sys_stop_timer (&nfa_p2p_cb.active_listen_restore_timer);
}
break;
case NFA_DM_RF_DISC_DEACTIVATED_EVT:
if ( (nfa_p2p_cb.rf_disc_state != NFA_DM_RFST_LISTEN_ACTIVE)
&&(nfa_p2p_cb.rf_disc_state != NFA_DM_RFST_LISTEN_SLEEP) )
{
/* this is not for P2P listen
** DM broadcasts deactivaiton event in listen sleep state.
*/
break;
}
/* notify deactivation */
if ( (p_data->deactivate.type == NFC_DEACTIVATE_TYPE_SLEEP)
||(p_data->deactivate.type == NFC_DEACTIVATE_TYPE_SLEEP_AF) )
{
nfa_p2p_cb.rf_disc_state = NFA_DM_RFST_LISTEN_SLEEP;
evt_data.deactivated.type = NFA_DEACTIVATE_TYPE_SLEEP;
}
else
{
nfa_p2p_cb.rf_disc_state = NFA_DM_RFST_DISCOVERY;
evt_data.deactivated.type = NFA_DEACTIVATE_TYPE_IDLE;
}
nfa_dm_conn_cback_event_notify (NFA_DEACTIVATED_EVT, &evt_data);
break;
default:
P2P_TRACE_ERROR0 ("Unexpected event");
break;
}
}
/*******************************************************************************
**
** Function nfa_p2p_update_active_listen_timeout_cback
**
** Description Timeout while waiting for passive mode activation
**
** Returns void
**
*******************************************************************************/
static void nfa_p2p_update_active_listen_timeout_cback (TIMER_LIST_ENT *p_tle)
{
NFA_TRACE_ERROR0 ("nfa_p2p_update_active_listen_timeout_cback()");
/* restore active listen mode */
nfa_p2p_update_active_listen ();
}
/*******************************************************************************
**
** Function nfa_p2p_update_active_listen
**
** Description Remove active listen mode temporarily or restore it
**
**
** Returns None
**
*******************************************************************************/
static void nfa_p2p_update_active_listen (void)
{
tNFA_DM_DISC_TECH_PROTO_MASK p2p_listen_mask = 0;
BT_HDR *p_msg;
P2P_TRACE_DEBUG1 ("nfa_p2p_update_active_listen (): listen_tech_mask_to_restore:0x%x",
nfa_p2p_cb.listen_tech_mask_to_restore);
/* if active listen mode was removed temporarily */
if (nfa_p2p_cb.listen_tech_mask_to_restore)
{
/* restore listen technologies */
nfa_p2p_cb.listen_tech_mask = nfa_p2p_cb.listen_tech_mask_to_restore;
nfa_p2p_cb.listen_tech_mask_to_restore = 0;
nfa_sys_stop_timer (&nfa_p2p_cb.active_listen_restore_timer);
}
else
{
/* start timer in case of no passive activation */
nfa_p2p_cb.active_listen_restore_timer.p_cback = (TIMER_CBACK *)nfa_p2p_update_active_listen_timeout_cback;
nfa_sys_start_timer (&nfa_p2p_cb.active_listen_restore_timer, 0, NFA_P2P_RESTORE_ACTIVE_LISTEN_TIMEOUT);
/* save listen techonologies */
nfa_p2p_cb.listen_tech_mask_to_restore = nfa_p2p_cb.listen_tech_mask;
/* remove active listen mode */
nfa_p2p_cb.listen_tech_mask &= ~( NFA_TECHNOLOGY_MASK_A_ACTIVE|NFA_TECHNOLOGY_MASK_F_ACTIVE);
}
if (nfa_p2p_cb.dm_disc_handle != NFA_HANDLE_INVALID)
{
nfa_dm_delete_rf_discover (nfa_p2p_cb.dm_disc_handle);
nfa_p2p_cb.dm_disc_handle = NFA_HANDLE_INVALID;
}
/* collect listen technologies with NFC-DEP protocol */
if (nfa_p2p_cb.listen_tech_mask & NFA_TECHNOLOGY_MASK_A)
p2p_listen_mask |= NFA_DM_DISC_MASK_LA_NFC_DEP;
if (nfa_p2p_cb.listen_tech_mask & NFA_TECHNOLOGY_MASK_F)
p2p_listen_mask |= NFA_DM_DISC_MASK_LF_NFC_DEP;
if (nfa_p2p_cb.listen_tech_mask & NFA_TECHNOLOGY_MASK_A_ACTIVE)
p2p_listen_mask |= NFA_DM_DISC_MASK_LAA_NFC_DEP;
if (nfa_p2p_cb.listen_tech_mask & NFA_TECHNOLOGY_MASK_F_ACTIVE)
p2p_listen_mask |= NFA_DM_DISC_MASK_LFA_NFC_DEP;
/* Configure listen technologies and protocols and register callback to NFA DM discovery */
nfa_p2p_cb.dm_disc_handle = nfa_dm_add_rf_discover (p2p_listen_mask,
NFA_DM_DISC_HOST_ID_DH,
nfa_p2p_discovery_cback);
/* restart RF discovery to update RF technologies */
if ((p_msg = (BT_HDR *) GKI_getbuf (sizeof(BT_HDR))) != NULL)
{
p_msg->event = NFA_P2P_INT_RESTART_RF_DISC_EVT;
nfa_sys_sendmsg (p_msg);
}
}
/*******************************************************************************
**
** Function nfa_p2p_llcp_link_cback
**
** Description Processing event from LLCP link management callback
**
**
** Returns None
**
*******************************************************************************/
void nfa_p2p_llcp_link_cback (UINT8 event, UINT8 reason)
{
tNFA_LLCP_ACTIVATED llcp_activated;
tNFA_LLCP_DEACTIVATED llcp_deactivated;
P2P_TRACE_DEBUG2 ("nfa_p2p_llcp_link_cback () event:0x%x, reason:0x%x", event, reason);
if (event == LLCP_LINK_ACTIVATION_COMPLETE_EVT)
{
LLCP_GetLinkMIU (&nfa_p2p_cb.local_link_miu, &nfa_p2p_cb.remote_link_miu);
nfa_p2p_cb.llcp_state = NFA_P2P_LLCP_STATE_ACTIVATED;
if (nfa_p2p_cb.is_initiator)
{
/* notify NFA DM to send Activate Event to applicaiton with status */
nfa_dm_notify_activation_status (NFA_STATUS_OK, NULL);
}
llcp_activated.is_initiator = nfa_p2p_cb.is_initiator;
llcp_activated.local_link_miu = nfa_p2p_cb.local_link_miu;
llcp_activated.remote_link_miu = nfa_p2p_cb.remote_link_miu;
llcp_activated.remote_lsc = LLCP_GetRemoteLSC ();
llcp_activated.remote_wks = LLCP_GetRemoteWKS ();
llcp_activated.remote_version = LLCP_GetRemoteVersion ();
nfa_dm_act_conn_cback_notify (NFA_LLCP_ACTIVATED_EVT, (tNFA_CONN_EVT_DATA *) &llcp_activated);
}
else if (event == LLCP_LINK_ACTIVATION_FAILED_EVT)
{
nfa_p2p_cb.llcp_state = NFA_P2P_LLCP_STATE_IDLE;
if (nfa_p2p_cb.is_initiator)
{
/* notify NFA DM to send Activate Event to applicaiton with status */
nfa_dm_notify_activation_status (NFA_STATUS_FAILED, NULL);
}
nfa_dm_rf_deactivate (NFA_DEACTIVATE_TYPE_DISCOVERY);
}
else if (event == LLCP_LINK_FIRST_PACKET_RECEIVED_EVT)
{
nfa_dm_act_conn_cback_notify (NFA_LLCP_FIRST_PACKET_RECEIVED_EVT, NULL);
}
else /* LLCP_LINK_DEACTIVATED_EVT */
{
nfa_p2p_cb.llcp_state = NFA_P2P_LLCP_STATE_IDLE;
/* if got RF link loss without any rx LLC PDU */
if (reason == LLCP_LINK_RF_LINK_LOSS_NO_RX_LLC)
{
/* if it was active listen mode */
if ( (nfa_p2p_cb.is_active_mode)
&&(!nfa_p2p_cb.is_initiator))
{
/* if it didn't retry without active listen mode and passive mode is available */
if ( (nfa_p2p_cb.listen_tech_mask_to_restore == 0x00)
&&(nfa_p2p_cb.listen_tech_mask & ( NFA_TECHNOLOGY_MASK_A
|NFA_TECHNOLOGY_MASK_F)))
{
P2P_TRACE_DEBUG0 ("Retry without active listen mode");
/* retry without active listen mode */
nfa_p2p_update_active_listen ();
}
}
else if (nfa_p2p_cb.listen_tech_mask_to_restore)
{
nfa_sys_start_timer (&nfa_p2p_cb.active_listen_restore_timer, 0, NFA_P2P_RESTORE_ACTIVE_LISTEN_TIMEOUT);
}
reason = LLCP_LINK_RF_LINK_LOSS_ERR;
}
else
{
if (nfa_p2p_cb.listen_tech_mask_to_restore)
{
/* restore active listen mode */
nfa_p2p_update_active_listen ();
}
}
llcp_deactivated.reason = reason;
nfa_dm_act_conn_cback_notify (NFA_LLCP_DEACTIVATED_EVT, (tNFA_CONN_EVT_DATA *)&llcp_deactivated);
if (reason != LLCP_LINK_RF_LINK_LOSS_ERR) /* if NFC link is still up */
{
if (nfa_p2p_cb.is_initiator)
{
nfa_dm_rf_deactivate (NFA_DEACTIVATE_TYPE_DISCOVERY);
}
else if ((nfa_p2p_cb.is_active_mode) && (reason == LLCP_LINK_TIMEOUT))
{
/*
** target needs to trun off RF in case of receiving invalid frame from initiator
*/
P2P_TRACE_DEBUG0 ("Got LLCP_LINK_TIMEOUT in active mode on target");
nfa_dm_rf_deactivate (NFA_DEACTIVATE_TYPE_DISCOVERY);
}
}
}
}
/*******************************************************************************
**
** Function nfa_p2p_activate_llcp
**
** Description Activate LLCP link
**
**
** Returns None
**
*******************************************************************************/
void nfa_p2p_activate_llcp (tNFC_DISCOVER *p_data)
{
tLLCP_ACTIVATE_CONFIG config;
P2P_TRACE_DEBUG0 ("nfa_p2p_activate_llcp ()");
if ( (p_data->activate.rf_tech_param.mode == NFC_DISCOVERY_TYPE_POLL_A)
||(p_data->activate.rf_tech_param.mode == NFC_DISCOVERY_TYPE_POLL_F)
||(p_data->activate.rf_tech_param.mode == NFC_DISCOVERY_TYPE_POLL_A_ACTIVE)
||(p_data->activate.rf_tech_param.mode == NFC_DISCOVERY_TYPE_POLL_F_ACTIVE) )
{
config.is_initiator = TRUE;
}
else
{
config.is_initiator = FALSE;
}
if ( (p_data->activate.rf_tech_param.mode == NFC_DISCOVERY_TYPE_POLL_A_ACTIVE)
||(p_data->activate.rf_tech_param.mode == NFC_DISCOVERY_TYPE_POLL_F_ACTIVE)
||(p_data->activate.rf_tech_param.mode == NFC_DISCOVERY_TYPE_LISTEN_A_ACTIVE)
||(p_data->activate.rf_tech_param.mode == NFC_DISCOVERY_TYPE_LISTEN_F_ACTIVE) )
{
nfa_p2p_cb.is_active_mode = TRUE;
}
else
{
nfa_p2p_cb.is_active_mode = FALSE;
}
nfa_p2p_cb.is_initiator = config.is_initiator;
config.max_payload_size = p_data->activate.intf_param.intf_param.pa_nfc.max_payload_size;
config.waiting_time = p_data->activate.intf_param.intf_param.pa_nfc.waiting_time;
config.p_gen_bytes = p_data->activate.intf_param.intf_param.pa_nfc.gen_bytes;
config.gen_bytes_len = p_data->activate.intf_param.intf_param.pa_nfc.gen_bytes_len;
LLCP_ActivateLink (config, nfa_p2p_llcp_link_cback);
}
/*******************************************************************************
**
** Function nfa_p2p_deactivate_llcp
**
** Description Deactivate LLCP link
**
**
** Returns None
**
*******************************************************************************/
void nfa_p2p_deactivate_llcp (void)
{
P2P_TRACE_DEBUG0 ("nfa_p2p_deactivate_llcp ()");
LLCP_DeactivateLink ();
}
/*******************************************************************************
**
** Function nfa_p2p_init
**
** Description Initialize NFA P2P
**
**
** Returns None
**
*******************************************************************************/
void nfa_p2p_init (void)
{
UINT8 xx;
P2P_TRACE_DEBUG0 ("nfa_p2p_init ()");
/* initialize control block */
memset (&nfa_p2p_cb, 0, sizeof (tNFA_P2P_CB));
nfa_p2p_cb.dm_disc_handle = NFA_HANDLE_INVALID;
nfa_p2p_cb.trace_level = APPL_INITIAL_TRACE_LEVEL;
for (xx = 0; xx < LLCP_MAX_SDP_TRANSAC; xx++)
{
nfa_p2p_cb.sdp_cb[xx].local_sap = LLCP_INVALID_SAP;
}
/* register message handler on NFA SYS */
nfa_sys_register (NFA_ID_P2P, &nfa_p2p_sys_reg);
}
/*******************************************************************************
**
** Function nfa_p2p_sys_disable
**
** Description Deregister NFA P2P from NFA SYS/DM
**
**
** Returns None
**
*******************************************************************************/
static void nfa_p2p_sys_disable (void)
{
P2P_TRACE_DEBUG0 ("nfa_p2p_sys_disable()");
nfa_sys_stop_timer (&nfa_p2p_cb.active_listen_restore_timer);
/* deregister message handler on NFA SYS */
nfa_sys_deregister (NFA_ID_P2P);
}
/*******************************************************************************
**
** Function nfa_p2p_set_config
**
** Description Set General bytes and WT parameters for LLCP
**
**
** Returns void
**
*******************************************************************************/
void nfa_p2p_set_config (tNFA_DM_DISC_TECH_PROTO_MASK disc_mask)
{
UINT8 wt, gen_bytes_len = LLCP_MAX_GEN_BYTES;
UINT8 params[LLCP_MAX_GEN_BYTES + 5], *p, length;
P2P_TRACE_DEBUG0 ("nfa_p2p_set_config ()");
LLCP_GetDiscoveryConfig (&wt, params + 2, &gen_bytes_len);
if (nfa_dm_is_p2p_paused ())
{
gen_bytes_len = 0;
}
if (disc_mask & ( NFA_DM_DISC_MASK_PA_NFC_DEP
|NFA_DM_DISC_MASK_PF_NFC_DEP
|NFA_DM_DISC_MASK_PAA_NFC_DEP
|NFA_DM_DISC_MASK_PFA_NFC_DEP) )
{
p = params;
UINT8_TO_BE_STREAM (p, NFC_PMID_ATR_REQ_GEN_BYTES);
UINT8_TO_BE_STREAM (p, gen_bytes_len);
p += gen_bytes_len;
length = gen_bytes_len + 2;
nfa_dm_check_set_config (length, params, FALSE);
}
if (disc_mask & ( NFA_DM_DISC_MASK_LA_NFC_DEP
|NFA_DM_DISC_MASK_LF_NFC_DEP
|NFA_DM_DISC_MASK_LAA_NFC_DEP
|NFA_DM_DISC_MASK_LFA_NFC_DEP) )
{
p = params;
UINT8_TO_BE_STREAM (p, NFC_PMID_ATR_RES_GEN_BYTES);
UINT8_TO_BE_STREAM (p, gen_bytes_len);
p += gen_bytes_len;
length = gen_bytes_len + 2;
UINT8_TO_BE_STREAM (p, NFC_PMID_WT);
UINT8_TO_BE_STREAM (p, NCI_PARAM_LEN_WT);
UINT8_TO_BE_STREAM (p, wt);
length += 3;
nfa_dm_check_set_config (length, params, FALSE);
}
}
/*******************************************************************************
**
** Function nfa_p2p_enable_listening
**
** Description Configure listen technologies and protocols for LLCP
** If LLCP WKS is changed then LLCP Gen bytes will be updated.
**
** Returns void
**
*******************************************************************************/
void nfa_p2p_enable_listening (tNFA_SYS_ID sys_id, BOOLEAN update_wks)
{
tNFA_DM_DISC_TECH_PROTO_MASK p2p_listen_mask = 0;
P2P_TRACE_DEBUG2 ("nfa_p2p_enable_listening () sys_id = %d, update_wks = %d",
sys_id, update_wks);
if (sys_id == NFA_ID_P2P)
nfa_p2p_cb.is_p2p_listening = TRUE;
else if (sys_id == NFA_ID_CHO)
nfa_p2p_cb.is_cho_listening = TRUE;
else if (sys_id == NFA_ID_SNEP)
nfa_p2p_cb.is_snep_listening = TRUE;
if (nfa_p2p_cb.dm_disc_handle != NFA_HANDLE_INVALID)
{
/* if need to update WKS in LLCP Gen bytes */
if (update_wks)
{
/* update LLCP Gen Bytes */
nfa_p2p_set_config (NFA_DM_DISC_MASK_PA_NFC_DEP|NFA_DM_DISC_MASK_LA_NFC_DEP);
}
return;
}
/* collect listen technologies with NFC-DEP protocol */
if (nfa_p2p_cb.listen_tech_mask & NFA_TECHNOLOGY_MASK_A)
p2p_listen_mask |= NFA_DM_DISC_MASK_LA_NFC_DEP;
if (nfa_p2p_cb.listen_tech_mask & NFA_TECHNOLOGY_MASK_F)
p2p_listen_mask |= NFA_DM_DISC_MASK_LF_NFC_DEP;
if (nfa_p2p_cb.listen_tech_mask & NFA_TECHNOLOGY_MASK_A_ACTIVE)
p2p_listen_mask |= NFA_DM_DISC_MASK_LAA_NFC_DEP;
if (nfa_p2p_cb.listen_tech_mask & NFA_TECHNOLOGY_MASK_F_ACTIVE)
p2p_listen_mask |= NFA_DM_DISC_MASK_LFA_NFC_DEP;
if (p2p_listen_mask)
{
/* Configure listen technologies and protocols and register callback to NFA DM discovery */
nfa_p2p_cb.dm_disc_handle = nfa_dm_add_rf_discover (p2p_listen_mask,
NFA_DM_DISC_HOST_ID_DH,
nfa_p2p_discovery_cback);
}
}
/*******************************************************************************
**
** Function nfa_p2p_disable_listening
**
** Description Remove listen technologies and protocols for LLCP and
** deregister callback from NFA DM discovery if all of P2P/CHO/SNEP
** doesn't listen LLCP any more.
** If LLCP WKS is changed then ATR_RES will be updated.
**
** Returns void
**
*******************************************************************************/
void nfa_p2p_disable_listening (tNFA_SYS_ID sys_id, BOOLEAN update_wks)
{
P2P_TRACE_DEBUG2 ("nfa_p2p_disable_listening () sys_id = %d, update_wks = %d",
sys_id, update_wks);
if (sys_id == NFA_ID_P2P)
nfa_p2p_cb.is_p2p_listening = FALSE;
else if (sys_id == NFA_ID_CHO)
nfa_p2p_cb.is_cho_listening = FALSE;
else if (sys_id == NFA_ID_SNEP)
nfa_p2p_cb.is_snep_listening = FALSE;
if (nfa_p2p_cb.dm_disc_handle != NFA_HANDLE_INVALID)
{
if ( (nfa_p2p_cb.is_p2p_listening == FALSE)
&&(nfa_p2p_cb.is_cho_listening == FALSE)
&&(nfa_p2p_cb.is_snep_listening == FALSE) )
{
nfa_p2p_cb.llcp_state = NFA_P2P_LLCP_STATE_IDLE;
nfa_p2p_cb.rf_disc_state = NFA_DM_RFST_IDLE;
nfa_dm_delete_rf_discover (nfa_p2p_cb.dm_disc_handle);
nfa_p2p_cb.dm_disc_handle = NFA_HANDLE_INVALID;
}
else if (update_wks)
{
/* update LLCP Gen Bytes */
nfa_p2p_set_config (NFA_DM_DISC_MASK_PA_NFC_DEP|NFA_DM_DISC_MASK_LA_NFC_DEP);
}
}
}
/*******************************************************************************
**
** Function nfa_p2p_update_listen_tech
**
** Description Update P2P listen technologies. If there is change then
** restart or stop P2P listen.
**
** Returns void
**
*******************************************************************************/
void nfa_p2p_update_listen_tech (tNFA_TECHNOLOGY_MASK tech_mask)
{
P2P_TRACE_DEBUG1 ("nfa_p2p_update_listen_tech () tech_mask = 0x%x", tech_mask);
if (nfa_p2p_cb.listen_tech_mask_to_restore)
{
nfa_p2p_cb.listen_tech_mask_to_restore = 0;
nfa_sys_stop_timer (&nfa_p2p_cb.active_listen_restore_timer);
}
if (nfa_p2p_cb.listen_tech_mask != tech_mask)
{
nfa_p2p_cb.listen_tech_mask = tech_mask;
if (nfa_p2p_cb.dm_disc_handle != NFA_HANDLE_INVALID)
{
nfa_p2p_cb.rf_disc_state = NFA_DM_RFST_IDLE;
nfa_dm_delete_rf_discover (nfa_p2p_cb.dm_disc_handle);
nfa_p2p_cb.dm_disc_handle = NFA_HANDLE_INVALID;
}
/* restart discovery without updating sub-module status */
if (nfa_p2p_cb.is_p2p_listening)
nfa_p2p_enable_listening (NFA_ID_P2P, FALSE);
else if (nfa_p2p_cb.is_cho_listening)
nfa_p2p_enable_listening (NFA_ID_CHO, FALSE);
else if (nfa_p2p_cb.is_snep_listening)
nfa_p2p_enable_listening (NFA_ID_SNEP, FALSE);
}
}
/*******************************************************************************
**
** Function nfa_p2p_evt_hdlr
**
** Description Processing event for NFA P2P
**
**
** Returns TRUE if p_msg needs to be deallocated
**
*******************************************************************************/
static BOOLEAN nfa_p2p_evt_hdlr (BT_HDR *p_hdr)
{
BOOLEAN delete_msg = TRUE;
UINT16 event;
tNFA_P2P_MSG *p_msg = (tNFA_P2P_MSG *)p_hdr;
#if (BT_TRACE_VERBOSE == TRUE)
P2P_TRACE_DEBUG2 ("nfa_p2p_evt_hdlr (): LLCP State [%s], Event [%s]",
nfa_p2p_llcp_state_code (nfa_p2p_cb.llcp_state),
nfa_p2p_evt_code (p_msg->hdr.event));
#else
P2P_TRACE_DEBUG2 ("nfa_p2p_evt_hdlr (): State 0x%02x, Event 0x%02x",
nfa_p2p_cb.llcp_state, p_msg->hdr.event);
#endif
event = p_msg->hdr.event & 0x00ff;
/* execute action functions */
if (event < NFA_P2P_NUM_ACTIONS)
{
delete_msg = (*nfa_p2p_action[event]) (p_msg);
}
else
{
P2P_TRACE_ERROR0 ("Unhandled event");
}
return delete_msg;
}
#if (BT_TRACE_VERBOSE == TRUE)
/*******************************************************************************
**
** Function nfa_p2p_llcp_state_code
**
** Description
**
** Returns string of state
**
*******************************************************************************/
static char *nfa_p2p_llcp_state_code (tNFA_P2P_LLCP_STATE state_code)
{
switch (state_code)
{
case NFA_P2P_LLCP_STATE_IDLE:
return "Link IDLE";
case NFA_P2P_LLCP_STATE_LISTENING:
return "Link LISTENING";
case NFA_P2P_LLCP_STATE_ACTIVATED:
return "Link ACTIVATED";
default:
return "Unknown state";
}
}
/*******************************************************************************
**
** Function nfa_p2p_evt_code
**
** Description
**
** Returns string of event
**
*******************************************************************************/
char *nfa_p2p_evt_code (UINT16 evt_code)
{
switch (evt_code)
{
case NFA_P2P_API_REG_SERVER_EVT:
return "API_REG_SERVER";
case NFA_P2P_API_REG_CLIENT_EVT:
return "API_REG_CLIENT";
case NFA_P2P_API_DEREG_EVT:
return "API_DEREG";
case NFA_P2P_API_ACCEPT_CONN_EVT:
return "API_ACCEPT_CONN";
case NFA_P2P_API_REJECT_CONN_EVT:
return "API_REJECT_CONN";
case NFA_P2P_API_DISCONNECT_EVT:
return "API_DISCONNECT";
case NFA_P2P_API_CONNECT_EVT:
return "API_CONNECT";
case NFA_P2P_API_SEND_UI_EVT:
return "API_SEND_UI";
case NFA_P2P_API_SEND_DATA_EVT:
return "API_SEND_DATA";
case NFA_P2P_API_SET_LOCAL_BUSY_EVT:
return "API_SET_LOCAL_BUSY";
case NFA_P2P_API_GET_LINK_INFO_EVT:
return "API_GET_LINK_INFO";
case NFA_P2P_API_GET_REMOTE_SAP_EVT:
return "API_GET_REMOTE_SAP";
case NFA_P2P_API_SET_LLCP_CFG_EVT:
return "API_SET_LLCP_CFG_EVT";
case NFA_P2P_INT_RESTART_RF_DISC_EVT:
return "RESTART_RF_DISC_EVT";
default:
return "Unknown event";
}
}
#endif /* Debug Functions */