/******************************************************************************
*
* 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 file contains function of the NFC unit to receive/process NCI
* commands.
*
******************************************************************************/
#include <string.h>
#include "nfc_target.h"
#include "bt_types.h"
#include "gki.h"
#if NFC_INCLUDED == TRUE
#include "nci_defs.h"
#include "nci_hmsgs.h"
#include "nfc_api.h"
#include "nfc_int.h"
/*******************************************************************************
**
** Function nci_proc_core_rsp
**
** Description Process NCI responses in the CORE group
**
** Returns TRUE-caller of this function to free the GKI buffer p_msg
**
*******************************************************************************/
BOOLEAN nci_proc_core_rsp (BT_HDR *p_msg)
{
UINT8 *p;
UINT8 *pp, len, op_code;
BOOLEAN free = TRUE;
UINT8 *p_old = nfc_cb.last_cmd;
/* find the start of the NCI message and parse the NCI header */
p = (UINT8 *) (p_msg + 1) + p_msg->offset;
pp = p+1;
NCI_MSG_PRS_HDR1 (pp, op_code);
NFC_TRACE_DEBUG1 ("nci_proc_core_rsp opcode:0x%x", op_code);
len = *pp++;
/* process the message based on the opcode and message type */
switch (op_code)
{
case NCI_MSG_CORE_RESET:
nfc_ncif_proc_reset_rsp (pp, FALSE);
break;
case NCI_MSG_CORE_INIT:
nfc_ncif_proc_init_rsp (p_msg);
free = FALSE;
break;
case NCI_MSG_CORE_GET_CONFIG:
nfc_ncif_proc_get_config_rsp (p_msg);
break;
case NCI_MSG_CORE_SET_CONFIG:
nfc_ncif_set_config_status (pp, len);
break;
case NCI_MSG_CORE_CONN_CREATE:
nfc_ncif_proc_conn_create_rsp (p, p_msg->len, *p_old);
break;
case NCI_MSG_CORE_CONN_CLOSE:
nfc_ncif_report_conn_close_evt (*p_old, *pp);
break;
default:
NFC_TRACE_ERROR1 ("unknown opcode:0x%x", op_code);
break;
}
return free;
}
/*******************************************************************************
**
** Function nci_proc_core_ntf
**
** Description Process NCI notifications in the CORE group
**
** Returns void
**
*******************************************************************************/
void nci_proc_core_ntf (BT_HDR *p_msg)
{
UINT8 *p;
UINT8 *pp, len, op_code;
UINT8 conn_id;
/* find the start of the NCI message and parse the NCI header */
p = (UINT8 *) (p_msg + 1) + p_msg->offset;
pp = p+1;
NCI_MSG_PRS_HDR1 (pp, op_code);
NFC_TRACE_DEBUG1 ("nci_proc_core_ntf opcode:0x%x", op_code);
len = *pp++;
/* process the message based on the opcode and message type */
switch (op_code)
{
case NCI_MSG_CORE_RESET:
nfc_ncif_proc_reset_rsp (pp, TRUE);
break;
case NCI_MSG_CORE_GEN_ERR_STATUS:
/* process the error ntf */
/* in case of timeout: notify the static connection callback */
nfc_ncif_event_status (NFC_GEN_ERROR_REVT, *pp);
nfc_ncif_error_status (NFC_RF_CONN_ID, *pp);
break;
case NCI_MSG_CORE_INTF_ERR_STATUS:
conn_id = *(pp+1);
nfc_ncif_error_status (conn_id, *pp);
break;
case NCI_MSG_CORE_CONN_CREDITS:
nfc_ncif_proc_credits(pp, len);
break;
default:
NFC_TRACE_ERROR1 ("unknown opcode:0x%x", op_code);
break;
}
}
/*******************************************************************************
**
** Function nci_proc_rf_management_rsp
**
** Description Process NCI responses in the RF Management group
**
** Returns void
**
*******************************************************************************/
void nci_proc_rf_management_rsp (BT_HDR *p_msg)
{
UINT8 *p;
UINT8 *pp, len, op_code;
UINT8 *p_old = nfc_cb.last_cmd;
/* find the start of the NCI message and parse the NCI header */
p = (UINT8 *) (p_msg + 1) + p_msg->offset;
pp = p+1;
NCI_MSG_PRS_HDR1 (pp, op_code);
len = *pp++;
switch (op_code)
{
case NCI_MSG_RF_DISCOVER:
nfa_dm_p2p_prio_logic (op_code, pp, NFA_DM_P2P_PRIO_RSP);
nfc_ncif_rf_management_status (NFC_START_DEVT, *pp);
break;
case NCI_MSG_RF_DISCOVER_SELECT:
nfc_ncif_rf_management_status (NFC_SELECT_DEVT, *pp);
break;
case NCI_MSG_RF_T3T_POLLING:
break;
case NCI_MSG_RF_DISCOVER_MAP:
nfc_ncif_rf_management_status (NFC_MAP_DEVT, *pp);
break;
case NCI_MSG_RF_DEACTIVATE:
if (FALSE == nfa_dm_p2p_prio_logic (op_code, pp, NFA_DM_P2P_PRIO_RSP))
{
return;
}
nfc_ncif_proc_deactivate (*pp, *p_old, FALSE);
break;
#if (NFC_NFCEE_INCLUDED == TRUE)
#if (NFC_RW_ONLY == FALSE)
case NCI_MSG_RF_SET_ROUTING:
nfc_ncif_event_status (NFC_SET_ROUTING_REVT, *pp);
break;
case NCI_MSG_RF_GET_ROUTING:
if (*pp != NFC_STATUS_OK)
nfc_ncif_event_status (NFC_GET_ROUTING_REVT, *pp);
break;
#endif
#endif
case NCI_MSG_RF_PARAMETER_UPDATE:
nfc_ncif_event_status (NFC_RF_COMM_PARAMS_UPDATE_REVT, *pp);
break;
default:
NFC_TRACE_ERROR1 ("unknown opcode:0x%x", op_code);
break;
}
}
/*******************************************************************************
**
** Function nci_proc_rf_management_ntf
**
** Description Process NCI notifications in the RF Management group
**
** Returns void
**
*******************************************************************************/
void nci_proc_rf_management_ntf (BT_HDR *p_msg)
{
UINT8 *p;
UINT8 *pp, len, op_code;
/* find the start of the NCI message and parse the NCI header */
p = (UINT8 *) (p_msg + 1) + p_msg->offset;
pp = p+1;
NCI_MSG_PRS_HDR1 (pp, op_code);
len = *pp++;
switch (op_code)
{
case NCI_MSG_RF_DISCOVER :
nfc_ncif_proc_discover_ntf (p, p_msg->len);
break;
case NCI_MSG_RF_DEACTIVATE:
if (FALSE == nfa_dm_p2p_prio_logic (op_code, pp, NFA_DM_P2P_PRIO_NTF))
{
return;
}
nfc_ncif_proc_deactivate (NFC_STATUS_OK, *pp, TRUE);
break;
case NCI_MSG_RF_INTF_ACTIVATED:
if (FALSE == nfa_dm_p2p_prio_logic (op_code, pp, NFA_DM_P2P_PRIO_NTF))
{
return;
}
nfc_ncif_proc_activate (pp, len);
break;
case NCI_MSG_RF_FIELD:
nfc_ncif_proc_rf_field_ntf (*pp);
break;
case NCI_MSG_RF_T3T_POLLING:
nfc_ncif_proc_t3t_polling_ntf (pp, len);
break;
#if (NFC_NFCEE_INCLUDED == TRUE)
#if (NFC_RW_ONLY == FALSE)
case NCI_MSG_RF_GET_ROUTING:
nfc_ncif_proc_get_routing (pp, len);
break;
case NCI_MSG_RF_EE_ACTION:
nfc_ncif_proc_ee_action (pp, len);
break;
case NCI_MSG_RF_EE_DISCOVERY_REQ:
nfc_ncif_proc_ee_discover_req (pp, len);
break;
#endif
#endif
default:
NFC_TRACE_ERROR1 ("unknown opcode:0x%x", op_code);
break;
}
}
#if (NFC_NFCEE_INCLUDED == TRUE)
#if (NFC_RW_ONLY == FALSE)
/*******************************************************************************
**
** Function nci_proc_ee_management_rsp
**
** Description Process NCI responses in the NFCEE Management group
**
** Returns void
**
*******************************************************************************/
void nci_proc_ee_management_rsp (BT_HDR *p_msg)
{
UINT8 *p;
UINT8 *pp, len, op_code;
tNFC_RESPONSE_CBACK *p_cback = nfc_cb.p_resp_cback;
tNFC_NFCEE_DISCOVER_REVT nfcee_discover;
tNFC_NFCEE_INFO_REVT nfcee_info;
tNFC_NFCEE_MODE_SET_REVT mode_set;
tNFC_RESPONSE *p_evt = (tNFC_RESPONSE *) &nfcee_info;
tNFC_RESPONSE_EVT event = NFC_NFCEE_INFO_REVT;
UINT8 *p_old = nfc_cb.last_cmd;
/* find the start of the NCI message and parse the NCI header */
p = (UINT8 *) (p_msg + 1) + p_msg->offset;
pp = p+1;
NCI_MSG_PRS_HDR1 (pp, op_code);
NFC_TRACE_DEBUG1 ("nci_proc_ee_management_rsp opcode:0x%x", op_code);
len = *pp++;
switch (op_code)
{
case NCI_MSG_NFCEE_DISCOVER:
p_evt = (tNFC_RESPONSE *) &nfcee_discover;
nfcee_discover.status = *pp++;
nfcee_discover.num_nfcee = *pp++;
if (nfcee_discover.status != NFC_STATUS_OK)
nfcee_discover.num_nfcee = 0;
event = NFC_NFCEE_DISCOVER_REVT;
break;
case NCI_MSG_NFCEE_MODE_SET:
p_evt = (tNFC_RESPONSE *) &mode_set;
mode_set.status = *pp;
mode_set.nfcee_id = 0;
event = NFC_NFCEE_MODE_SET_REVT;
mode_set.nfcee_id = *p_old++;
mode_set.mode = *p_old++;
break;
default:
p_cback = NULL;
NFC_TRACE_ERROR1 ("unknown opcode:0x%x", op_code);
break;
}
if (p_cback)
(*p_cback) (event, p_evt);
}
/*******************************************************************************
**
** Function nci_proc_ee_management_ntf
**
** Description Process NCI notifications in the NFCEE Management group
**
** Returns void
**
*******************************************************************************/
void nci_proc_ee_management_ntf (BT_HDR *p_msg)
{
UINT8 *p;
UINT8 *pp, len, op_code;
tNFC_RESPONSE_CBACK *p_cback = nfc_cb.p_resp_cback;
tNFC_NFCEE_INFO_REVT nfcee_info;
tNFC_RESPONSE *p_evt = (tNFC_RESPONSE *) &nfcee_info;
tNFC_RESPONSE_EVT event = NFC_NFCEE_INFO_REVT;
UINT8 xx;
UINT8 yy;
UINT8 ee_status;
tNFC_NFCEE_TLV *p_tlv;
/* find the start of the NCI message and parse the NCI header */
p = (UINT8 *) (p_msg + 1) + p_msg->offset;
pp = p+1;
NCI_MSG_PRS_HDR1 (pp, op_code);
NFC_TRACE_DEBUG1 ("nci_proc_ee_management_ntf opcode:0x%x", op_code);
len = *pp++;
if (op_code == NCI_MSG_NFCEE_DISCOVER)
{
nfcee_info.nfcee_id = *pp++;
ee_status = *pp++;
nfcee_info.ee_status = ee_status;
yy = *pp;
nfcee_info.num_interface = *pp++;
p = pp;
if (nfcee_info.num_interface > NFC_MAX_EE_INTERFACE)
nfcee_info.num_interface = NFC_MAX_EE_INTERFACE;
for (xx = 0; xx < nfcee_info.num_interface; xx++)
{
nfcee_info.ee_interface[xx] = *pp++;
}
pp = p + yy;
nfcee_info.num_tlvs = *pp++;
NFC_TRACE_DEBUG4 ("nfcee_id: 0x%x num_interface:0x%x/0x%x, num_tlvs:0x%x",
nfcee_info.nfcee_id, nfcee_info.num_interface, yy, nfcee_info.num_tlvs);
if (nfcee_info.num_tlvs > NFC_MAX_EE_TLVS)
nfcee_info.num_tlvs = NFC_MAX_EE_TLVS;
p_tlv = &nfcee_info.ee_tlv[0];
for (xx = 0; xx < nfcee_info.num_tlvs; xx++, p_tlv++)
{
p_tlv->tag = *pp++;
p_tlv->len = yy = *pp++;
NFC_TRACE_DEBUG2 ("tag:0x%x, len:0x%x", p_tlv->tag, p_tlv->len);
if (p_tlv->len > NFC_MAX_EE_INFO)
p_tlv->len = NFC_MAX_EE_INFO;
p = pp;
STREAM_TO_ARRAY (p_tlv->info, pp, p_tlv->len);
pp = p += yy;
}
}
else
{
p_cback = NULL;
NFC_TRACE_ERROR1 ("unknown opcode:0x%x", op_code);
}
if (p_cback)
(*p_cback) (event, p_evt);
}
#endif
#endif
/*******************************************************************************
**
** Function nci_proc_prop_rsp
**
** Description Process NCI responses in the Proprietary group
**
** Returns void
**
*******************************************************************************/
void nci_proc_prop_rsp (BT_HDR *p_msg)
{
UINT8 *p;
UINT8 *p_evt;
UINT8 *pp, len, op_code;
tNFC_VS_CBACK *p_cback = (tNFC_VS_CBACK *)nfc_cb.p_vsc_cback;
/* find the start of the NCI message and parse the NCI header */
p = p_evt = (UINT8 *) (p_msg + 1) + p_msg->offset;
pp = p+1;
NCI_MSG_PRS_HDR1 (pp, op_code);
len = *pp++;
/*If there's a pending/stored command, restore the associated address of the callback function */
if (p_cback)
(*p_cback) ((tNFC_VS_EVT) (NCI_RSP_BIT|op_code), p_msg->len, p_evt);
}
/*******************************************************************************
**
** Function nci_proc_prop_ntf
**
** Description Process NCI notifications in the Proprietary group
**
** Returns void
**
*******************************************************************************/
void nci_proc_prop_ntf (BT_HDR *p_msg)
{
UINT8 *p;
UINT8 *p_evt;
UINT8 *pp, len, op_code;
int i;
/* find the start of the NCI message and parse the NCI header */
p = p_evt = (UINT8 *) (p_msg + 1) + p_msg->offset;
pp = p+1;
NCI_MSG_PRS_HDR1 (pp, op_code);
len = *pp++;
for (i = 0; i < NFC_NUM_VS_CBACKS; i++)
{
if (nfc_cb.p_vs_cb[i])
{
(*nfc_cb.p_vs_cb[i]) ((tNFC_VS_EVT) (NCI_NTF_BIT|op_code), p_msg->len, p_evt);
}
}
}
#endif /* NFC_INCLUDED == TRUE*/