src/nfa/hci/nfa_hci_act.c

/******************************************************************************
 *
 *  Copyright (C) 2010-2012 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 the action functions for the NFA HCI.
 *
 ******************************************************************************/
#include <string.h>
#include "trace_api.h"
#include "nfc_api.h"
#include "nfa_sys.h"
#include "nfa_sys_int.h"
#include "nfa_hci_api.h"
#include "nfa_hci_int.h"
#include "nfa_nv_co.h"
#include "nfa_mem_co.h"
#include "nfa_hci_defs.h"


/* Static local functions       */
static void nfa_hci_api_register (tNFA_HCI_EVENT_DATA *p_evt_data);
static void nfa_hci_api_get_gate_pipe_list (tNFA_HCI_EVENT_DATA *p_evt_data);
static void nfa_hci_api_alloc_gate (tNFA_HCI_EVENT_DATA *p_evt_data);
static void nfa_hci_api_get_host_list (tNFA_HCI_EVENT_DATA *p_evt_data);
static BOOLEAN nfa_hci_api_get_reg_value (tNFA_HCI_EVENT_DATA *p_evt_data);
static BOOLEAN nfa_hci_api_set_reg_value (tNFA_HCI_EVENT_DATA *p_evt_data);
static BOOLEAN nfa_hci_api_create_pipe (tNFA_HCI_EVENT_DATA *p_evt_data);
static void nfa_hci_api_open_pipe (tNFA_HCI_EVENT_DATA *p_evt_data);
static void nfa_hci_api_close_pipe (tNFA_HCI_EVENT_DATA *p_evt_data);
static void nfa_hci_api_delete_pipe (tNFA_HCI_EVENT_DATA *p_evt_data);
static BOOLEAN nfa_hci_api_send_event (tNFA_HCI_EVENT_DATA *p_evt_data);
static BOOLEAN nfa_hci_api_send_cmd (tNFA_HCI_EVENT_DATA *p_evt_data);
static void nfa_hci_api_send_rsp (tNFA_HCI_EVENT_DATA *p_evt_data);
static void nfa_hci_api_add_static_pipe (tNFA_HCI_EVENT_DATA *p_evt_data);

static void nfa_hci_handle_identity_mgmt_gate_pkt (UINT8 *p_data, tNFA_HCI_DYN_PIPE *p_pipe);
static void nfa_hci_handle_loopback_gate_pkt (UINT8 *p_data, UINT16 data_len, tNFA_HCI_DYN_PIPE *p_pipe);
static void nfa_hci_handle_connectivity_gate_pkt (UINT8 *p_data, UINT16 data_len, tNFA_HCI_DYN_PIPE *p_pipe);
static void nfa_hci_handle_generic_gate_cmd (UINT8 *p_data, UINT8 data_len, tNFA_HCI_DYN_GATE *p_gate, tNFA_HCI_DYN_PIPE *p_pipe);
static void nfa_hci_handle_generic_gate_rsp (UINT8 *p_data, UINT8 data_len, tNFA_HCI_DYN_GATE *p_gate, tNFA_HCI_DYN_PIPE *p_pipe);
static void nfa_hci_handle_generic_gate_evt (UINT8 *p_data, UINT16 data_len, tNFA_HCI_DYN_GATE *p_gate, tNFA_HCI_DYN_PIPE *p_pipe);


/*******************************************************************************
**
** Function         nfa_hci_check_pending_api_requests
**
** Description      This function handles pending API requests
**
** Returns          none
**
*******************************************************************************/
void nfa_hci_check_pending_api_requests (void)
{
    BT_HDR              *p_msg;
    tNFA_HCI_EVENT_DATA *p_evt_data;
    BOOLEAN             b_free;
    UINT8               b_cmd_flag = 0;

    /* If busy, or API queue is empty, then exit */
    if (  (nfa_hci_cb.hci_state != NFA_HCI_STATE_IDLE)
        ||((p_msg = (BT_HDR *) GKI_dequeue (&nfa_hci_cb.hci_host_reset_api_q)) == NULL) )
        return;

    /* Process API request */
    p_evt_data = (tNFA_HCI_EVENT_DATA *)p_msg;

    /* Save the application handle */
    nfa_hci_cb.app_in_use = p_evt_data->comm.hci_handle;

    b_free = TRUE;
    switch (p_msg->event)
    {
    case NFA_HCI_API_CREATE_PIPE_EVT:
        if (nfa_hci_api_create_pipe (p_evt_data) == FALSE)
            b_free = FALSE;
        break;

    case NFA_HCI_API_GET_REGISTRY_EVT:
        if (nfa_hci_api_get_reg_value (p_evt_data) == FALSE)
            b_free = FALSE;
        break;

    case NFA_HCI_API_SET_REGISTRY_EVT:
        if (nfa_hci_api_set_reg_value (p_evt_data) == FALSE)
            b_free = FALSE;
        break;

    case NFA_HCI_API_SEND_CMD_EVT:
        if (nfa_hci_api_send_cmd (p_evt_data) == FALSE)
            b_free = FALSE;
        break;
    case NFA_HCI_API_SEND_EVENT_EVT:
        if (nfa_hci_api_send_event (p_evt_data) == FALSE)
            b_free = FALSE;
        break;
    }

    if (b_free)
        GKI_freebuf (p_msg);
}

/*******************************************************************************
**
** Function         nfa_hci_check_api_requests
**
** Description      This function handles API requests
**
** Returns          none
**
*******************************************************************************/
void nfa_hci_check_api_requests (void)
{
    BT_HDR              *p_msg;
    tNFA_HCI_EVENT_DATA *p_evt_data;

    for ( ; ; )
    {
        /* If busy, or API queue is empty, then exit */
        if (  (nfa_hci_cb.hci_state != NFA_HCI_STATE_IDLE)
            ||((p_msg = (BT_HDR *) GKI_dequeue (&nfa_hci_cb.hci_api_q)) == NULL) )
            break;

        /* Process API request */
        p_evt_data = (tNFA_HCI_EVENT_DATA *)p_msg;

        /* Save the application handle */
        nfa_hci_cb.app_in_use = p_evt_data->comm.hci_handle;

        switch (p_msg->event)
        {
        case NFA_HCI_API_REGISTER_APP_EVT:
            nfa_hci_api_register (p_evt_data);
            break;

        case NFA_HCI_API_DEREGISTER_APP_EVT:
            nfa_hci_api_deregister (p_evt_data);
            break;

        case NFA_HCI_API_GET_APP_GATE_PIPE_EVT:
            nfa_hci_api_get_gate_pipe_list (p_evt_data);
            break;

        case NFA_HCI_API_ALLOC_GATE_EVT:
            nfa_hci_api_alloc_gate (p_evt_data);
            break;

        case NFA_HCI_API_DEALLOC_GATE_EVT:
            nfa_hci_api_dealloc_gate (p_evt_data);
            break;

        case NFA_HCI_API_GET_HOST_LIST_EVT:
            nfa_hci_api_get_host_list (p_evt_data);
            break;

        case NFA_HCI_API_GET_REGISTRY_EVT:
            if (nfa_hci_api_get_reg_value (p_evt_data) == FALSE)
                continue;
            break;

        case NFA_HCI_API_SET_REGISTRY_EVT:
            if (nfa_hci_api_set_reg_value (p_evt_data) == FALSE)
                continue;
            break;

        case NFA_HCI_API_CREATE_PIPE_EVT:
           if (nfa_hci_api_create_pipe (p_evt_data) == FALSE)
               continue;
            break;

        case NFA_HCI_API_OPEN_PIPE_EVT:
            nfa_hci_api_open_pipe (p_evt_data);
            break;

        case NFA_HCI_API_CLOSE_PIPE_EVT:
            nfa_hci_api_close_pipe (p_evt_data);
            break;

        case NFA_HCI_API_DELETE_PIPE_EVT:
            nfa_hci_api_delete_pipe (p_evt_data);
            break;

        case NFA_HCI_API_SEND_CMD_EVT:
            if (nfa_hci_api_send_cmd (p_evt_data) == FALSE)
                continue;
            break;

        case NFA_HCI_API_SEND_RSP_EVT:
            nfa_hci_api_send_rsp (p_evt_data);
            break;

        case NFA_HCI_API_SEND_EVENT_EVT:
            if (nfa_hci_api_send_event (p_evt_data) == FALSE)
                continue;
            break;

        case NFA_HCI_API_ADD_STATIC_PIPE_EVT:
            nfa_hci_api_add_static_pipe (p_evt_data);
            break;

        default:
            NFA_TRACE_ERROR1 ("nfa_hci_check_api_requests ()  Unknown event: 0x%04x", p_msg->event);
            break;
        }

        GKI_freebuf (p_msg);
    }
}

/*******************************************************************************
**
** Function         nfa_hci_api_register
**
** Description      action function to register the events for the given AID
**
** Returns          None
**
*******************************************************************************/
static void nfa_hci_api_register (tNFA_HCI_EVENT_DATA *p_evt_data)
{
    tNFA_HCI_EVT_DATA   evt_data;
    char                *p_app_name  = p_evt_data->app_info.app_name;
    tNFA_HCI_CBACK      *p_cback     = p_evt_data->app_info.p_cback;
    int                 xx,yy;
    UINT8               num_gates    = 0,num_pipes = 0;
    tNFA_HCI_DYN_GATE   *pg = nfa_hci_cb.cfg.dyn_gates;

    /* First, see if the application was already registered */
    for (xx = 0; xx < NFA_HCI_MAX_APP_CB; xx++)
    {
        if (  (nfa_hci_cb.cfg.reg_app_names[xx][0] != 0)
            && !strncmp (p_app_name, &nfa_hci_cb.cfg.reg_app_names[xx][0], strlen (p_app_name)) )
        {
            NFA_TRACE_EVENT2 ("nfa_hci_api_register (%s)  Reusing: %u", p_app_name, xx);
            break;
        }
    }

    if (xx != NFA_HCI_MAX_APP_CB)
    {
        nfa_hci_cb.app_in_use = (tNFA_HANDLE) (xx | NFA_HANDLE_GROUP_HCI);
        /* The app was registered, find the number of gates and pipes associated to the app */

        for ( yy = 0; yy < NFA_HCI_MAX_GATE_CB; yy++, pg++)
        {
            if (pg->gate_owner == nfa_hci_cb.app_in_use)
            {
                num_gates++;
                num_pipes += nfa_hciu_count_pipes_on_gate (pg);
            }
        }
    }
    else
    {
        /* Not registered, look for a free entry */
        for (xx = 0; xx < NFA_HCI_MAX_APP_CB; xx++)
        {
            if (nfa_hci_cb.cfg.reg_app_names[xx][0] == 0)
            {
                memset (&nfa_hci_cb.cfg.reg_app_names[xx][0], 0, sizeof (nfa_hci_cb.cfg.reg_app_names[xx]));
                BCM_STRNCPY_S (&nfa_hci_cb.cfg.reg_app_names[xx][0], sizeof (nfa_hci_cb.cfg.reg_app_names[xx]), p_app_name, NFA_MAX_HCI_APP_NAME_LEN);
                nfa_hci_cb.nv_write_needed = TRUE;
                NFA_TRACE_EVENT2 ("nfa_hci_api_register (%s)  Allocated: %u", p_app_name, xx);
                break;
            }
        }

        if (xx == NFA_HCI_MAX_APP_CB)
        {
            NFA_TRACE_ERROR1 ("nfa_hci_api_register (%s)  NO ENTRIES", p_app_name);

            evt_data.hci_register.status = NFA_STATUS_FAILED;
            p_evt_data->app_info.p_cback (NFA_HCI_REGISTER_EVT, &evt_data);
            return;
        }
    }

    evt_data.hci_register.num_pipes = num_pipes;
    evt_data.hci_register.num_gates = num_gates;
    nfa_hci_cb.p_app_cback[xx]      = p_cback;

    nfa_hci_cb.cfg.b_send_conn_evts[xx]  = p_evt_data->app_info.b_send_conn_evts;

    evt_data.hci_register.hci_handle = (tNFA_HANDLE) (xx | NFA_HANDLE_GROUP_HCI);

    evt_data.hci_register.status = NFA_STATUS_OK;

    /* notify NFA_HCI_REGISTER_EVT to the application */
    p_evt_data->app_info.p_cback (NFA_HCI_REGISTER_EVT, &evt_data);
}

/*******************************************************************************
**
** Function         nfa_hci_api_deregister
**
** Description      action function to deregister the given application
**
** Returns          None
**
*******************************************************************************/
void nfa_hci_api_deregister (tNFA_HCI_EVENT_DATA *p_evt_data)
{
    tNFA_HCI_EVT_DATA   evt_data;
    tNFA_HCI_CBACK      *p_cback = NULL;
    int                 xx;
    tNFA_HCI_DYN_PIPE   *p_pipe;
    tNFA_HCI_DYN_GATE   *p_gate;

    /* If needed, find the application registration handle */
    if (p_evt_data != NULL)
    {
        for (xx = 0; xx < NFA_HCI_MAX_APP_CB; xx++)
        {
            if (  (nfa_hci_cb.cfg.reg_app_names[xx][0] != 0)
                && !strncmp (p_evt_data->app_info.app_name, &nfa_hci_cb.cfg.reg_app_names[xx][0], strlen (p_evt_data->app_info.app_name)) )
            {
                NFA_TRACE_EVENT2 ("nfa_hci_api_deregister (%s) inx: %u", p_evt_data->app_info.app_name, xx);
                break;
            }
        }

        if (xx == NFA_HCI_MAX_APP_CB)
        {
            NFA_TRACE_WARNING1 ("nfa_hci_api_deregister () Unknown app: %s", p_evt_data->app_info.app_name);
            return;
        }
        nfa_hci_cb.app_in_use = (tNFA_HANDLE) (xx | NFA_HANDLE_GROUP_HCI);
        p_cback               = nfa_hci_cb.p_app_cback[xx];
    }
    else
    {
        nfa_sys_stop_timer (&nfa_hci_cb.timer);
        /* We are recursing through deleting all the app's pipes and gates */
        p_cback = nfa_hci_cb.p_app_cback[nfa_hci_cb.app_in_use & NFA_HANDLE_MASK];
    }

    /* See if any pipe is owned by this app */
    if ((p_pipe = nfa_hciu_find_pipe_by_owner (nfa_hci_cb.app_in_use)) == NULL)
    {
        /* No pipes, release all gates owned by this app */
        while ((p_gate = nfa_hciu_find_gate_by_owner (nfa_hci_cb.app_in_use)) != NULL)
            nfa_hciu_release_gate (p_gate->gate_id);

        memset (&nfa_hci_cb.cfg.reg_app_names[nfa_hci_cb.app_in_use & NFA_HANDLE_MASK][0], 0, NFA_MAX_HCI_APP_NAME_LEN + 1);
        nfa_hci_cb.p_app_cback[nfa_hci_cb.app_in_use & NFA_HANDLE_MASK]  = NULL;

        nfa_hci_cb.nv_write_needed = TRUE;

        evt_data.hci_deregister.status = NFC_STATUS_OK;

        if (nfa_hci_cb.hci_state == NFA_HCI_STATE_APP_DEREGISTER)
            nfa_hci_cb.hci_state = NFA_HCI_STATE_IDLE;

        /* notify NFA_HCI_DEREGISTER_EVT to the application */
        if (p_cback)
            p_cback (NFA_HCI_DEREGISTER_EVT, &evt_data);
    }
    else if ((p_pipe = nfa_hciu_find_active_pipe_by_owner (nfa_hci_cb.app_in_use)) == NULL)
    {
        /* No pipes, release all gates owned by this app */
        while ((p_gate = nfa_hciu_find_gate_with_nopipes_by_owner (nfa_hci_cb.app_in_use)) != NULL)
            nfa_hciu_release_gate (p_gate->gate_id);

        nfa_hci_cb.p_app_cback[nfa_hci_cb.app_in_use & NFA_HANDLE_MASK]  = NULL;

        nfa_hci_cb.nv_write_needed = TRUE;

        evt_data.hci_deregister.status = NFC_STATUS_FAILED;

        if (nfa_hci_cb.hci_state == NFA_HCI_STATE_APP_DEREGISTER)
            nfa_hci_cb.hci_state = NFA_HCI_STATE_IDLE;

        /* notify NFA_HCI_DEREGISTER_EVT to the application */
        if (p_cback)
            p_cback (NFA_HCI_DEREGISTER_EVT, &evt_data);
    }
    else
    {
        /* Delete all active pipes created for the application before de registering
        **/
        nfa_hci_cb.hci_state = NFA_HCI_STATE_APP_DEREGISTER;

        nfa_hciu_send_delete_pipe_cmd (p_pipe->pipe_id);
    }
}

/*******************************************************************************
**
** Function         nfa_hci_api_get_gate_pipe_list
**
** Description      action function to get application allocated gates and
**                  application created pipes
**
** Returns          None
**
*******************************************************************************/
static void nfa_hci_api_get_gate_pipe_list (tNFA_HCI_EVENT_DATA *p_evt_data)
{
    tNFA_HCI_EVT_DATA   evt_data;
    int                 xx,yy;
    tNFA_HCI_DYN_GATE   *pg = nfa_hci_cb.cfg.dyn_gates;
    tNFA_HCI_DYN_PIPE   *pp = nfa_hci_cb.cfg.dyn_pipes;

    evt_data.gates_pipes.num_gates = 0;
    evt_data.gates_pipes.num_pipes = 0;

    for ( xx = 0; xx < NFA_HCI_MAX_GATE_CB; xx++, pg++)
    {
        if (pg->gate_owner == p_evt_data->get_gate_pipe_list.hci_handle)
        {
            evt_data.gates_pipes.gate[evt_data.gates_pipes.num_gates++] = pg->gate_id;

            pp = nfa_hci_cb.cfg.dyn_pipes;

            /* Loop through looking for a match */
            for ( yy = 0; yy < NFA_HCI_MAX_PIPE_CB; yy++, pp++)
            {
                if (pp->local_gate == pg->gate_id)
                    evt_data.gates_pipes.pipe[evt_data.gates_pipes.num_pipes++] = *(tNFA_HCI_PIPE_INFO*)pp;
            }
        }
    }
    evt_data.gates_pipes.status = NFA_STATUS_OK;

    /* notify NFA_HCI_GET_GATE_PIPE_LIST_EVT to the application */
    nfa_hciu_send_to_app (NFA_HCI_GET_GATE_PIPE_LIST_EVT, &evt_data, p_evt_data->get_gate_pipe_list.hci_handle);
}

/*******************************************************************************
**
** Function         nfa_hci_api_alloc_gate
**
** Description      action function to allocate a generic gate
**
** Returns          None
**
*******************************************************************************/
static void nfa_hci_api_alloc_gate (tNFA_HCI_EVENT_DATA *p_evt_data)
{
    tNFA_HANDLE         app_handle = p_evt_data->comm.hci_handle;
    tNFA_HCI_EVT_DATA   evt_data;
    tNFA_HCI_DYN_GATE   *p_gate;

    p_gate = nfa_hciu_alloc_gate (0, app_handle);

    evt_data.allocated.gate   = p_gate ? p_gate->gate_id : 0;
    evt_data.allocated.status = p_gate ? NFA_STATUS_OK : NFA_STATUS_FAILED;

    /* notify NFA_HCI_ALLOCATE_GATE_EVT to the application */
    nfa_hciu_send_to_app (NFA_HCI_ALLOCATE_GATE_EVT, &evt_data, app_handle);
}

/*******************************************************************************
**
** Function         nfa_hci_api_dealloc_gate
**
** Description      action function to deallocate the given generic gate
**
** Returns          None
**
*******************************************************************************/
void nfa_hci_api_dealloc_gate (tNFA_HCI_EVENT_DATA *p_evt_data)
{
    tNFA_HCI_EVT_DATA   evt_data;
    UINT8               gate_id;
    tNFA_HCI_DYN_GATE   *p_gate;
    tNFA_HCI_DYN_PIPE   *p_pipe;
    tNFA_HANDLE         app_handle;

    /* p_evt_data may be NULL if we are recursively deleting pipes */
    if (p_evt_data)
    {
        gate_id    = p_evt_data->gate_dealloc.gate;
        app_handle = p_evt_data->gate_dealloc.hci_handle;

    }
    else
    {
        nfa_sys_stop_timer (&nfa_hci_cb.timer);
        gate_id    = nfa_hci_cb.local_gate_in_use;
        app_handle = nfa_hci_cb.app_in_use;
    }

    evt_data.deallocated.gate = gate_id;;

    p_gate = nfa_hciu_find_gate_by_gid (gate_id);

    if (p_gate == NULL)
    {
        evt_data.deallocated.status = NFA_STATUS_UNKNOWN_GID;
    }
    else if (p_gate->gate_owner != app_handle)
    {
        evt_data.deallocated.status = NFA_STATUS_FAILED;
    }
    else
    {
        /* See if any pipe is owned by this app */
        if ((p_pipe = nfa_hciu_find_pipe_on_gate (p_gate->gate_id)) == NULL)
        {
            nfa_hciu_release_gate (p_gate->gate_id);

            nfa_hci_cb.nv_write_needed  = TRUE;
            evt_data.deallocated.status = NFA_STATUS_OK;

            if (nfa_hci_cb.hci_state == NFA_HCI_STATE_REMOVE_GATE)
                nfa_hci_cb.hci_state = NFA_HCI_STATE_IDLE;
        }
        else if ((p_pipe = nfa_hciu_find_active_pipe_on_gate (p_gate->gate_id)) == NULL)
        {
            /* UICC is not active at the moment and cannot delete the pipe */
            nfa_hci_cb.nv_write_needed  = TRUE;
            evt_data.deallocated.status = NFA_STATUS_FAILED;

            if (nfa_hci_cb.hci_state == NFA_HCI_STATE_REMOVE_GATE)
                nfa_hci_cb.hci_state = NFA_HCI_STATE_IDLE;
        }
        else
        {
            /* Delete pipes on the gate */
            nfa_hci_cb.local_gate_in_use = gate_id;
            nfa_hci_cb.app_in_use        = app_handle;
            nfa_hci_cb.hci_state         = NFA_HCI_STATE_REMOVE_GATE;

            nfa_hciu_send_delete_pipe_cmd (p_pipe->pipe_id);
            return;
        }
    }

    nfa_hciu_send_to_app (NFA_HCI_DEALLOCATE_GATE_EVT, &evt_data, app_handle);
}

/*******************************************************************************
**
** Function         nfa_hci_api_get_host_list
**
** Description      action function to get the host list from HCI network
**
** Returns          None
**
*******************************************************************************/
static void nfa_hci_api_get_host_list (tNFA_HCI_EVENT_DATA *p_evt_data)
{
    UINT8               app_inx = p_evt_data->get_host_list.hci_handle & NFA_HANDLE_MASK;

    nfa_hci_cb.app_in_use = p_evt_data->get_host_list.hci_handle;

    /* First, check if the application handle is valid */
    if (  ((nfa_hci_cb.app_in_use & NFA_HANDLE_GROUP_MASK) != NFA_HANDLE_GROUP_HCI)
        ||(app_inx >= NFA_HCI_MAX_APP_CB)
        ||(nfa_hci_cb.p_app_cback[app_inx] == NULL) )
    {
        return;
    }

    nfa_hciu_send_get_param_cmd (NFA_HCI_ADMIN_PIPE, NFA_HCI_HOST_LIST_INDEX);
}

/*******************************************************************************
**
** Function         nfa_hci_api_create_pipe
**
** Description      action function to create a pipe
**
** Returns          TRUE, if the command is processed
**                  FALSE, if command is queued for processing later
**
*******************************************************************************/
static BOOLEAN nfa_hci_api_create_pipe (tNFA_HCI_EVENT_DATA *p_evt_data)
{
    tNFA_HCI_DYN_GATE   *p_gate = nfa_hciu_find_gate_by_gid (p_evt_data->create_pipe.source_gate);
    tNFA_HCI_EVT_DATA   evt_data;

    /* Verify that the app owns the gate that the pipe is being created on */
    if ((p_gate == NULL) || (p_gate->gate_owner != p_evt_data->create_pipe.hci_handle))
    {
        evt_data.created.source_gate = p_evt_data->create_pipe.source_gate;
        evt_data.created.status = NFA_STATUS_FAILED;

        NFA_TRACE_ERROR2 ("nfa_hci_api_create_pipe Cannot create pipe! APP: 0x%02x does not own the gate:0x%x", p_evt_data->create_pipe.hci_handle, p_evt_data->create_pipe.source_gate);
        nfa_hciu_send_to_app (NFA_HCI_CREATE_PIPE_EVT, &evt_data, p_evt_data->open_pipe.hci_handle);
    }
    else
    {
        if (nfa_hciu_is_host_reseting (p_evt_data->create_pipe.dest_gate))
        {
            GKI_enqueue (&nfa_hci_cb.hci_host_reset_api_q, (BT_HDR *) p_evt_data);
            return FALSE;
        }

        nfa_hci_cb.local_gate_in_use  = p_evt_data->create_pipe.source_gate;
        nfa_hci_cb.remote_gate_in_use = p_evt_data->create_pipe.dest_gate;
        nfa_hci_cb.remote_host_in_use = p_evt_data->create_pipe.dest_host;
        nfa_hci_cb.app_in_use         = p_evt_data->create_pipe.hci_handle;

        nfa_hciu_send_create_pipe_cmd (p_evt_data->create_pipe.source_gate, p_evt_data->create_pipe.dest_host, p_evt_data->create_pipe.dest_gate);
    }
    return TRUE;
}

/*******************************************************************************
**
** Function         nfa_hci_api_open_pipe
**
** Description      action function to open a pipe
**
** Returns          None
**
*******************************************************************************/
static void nfa_hci_api_open_pipe (tNFA_HCI_EVENT_DATA *p_evt_data)
{
    tNFA_HCI_EVT_DATA   evt_data;
    tNFA_HCI_DYN_PIPE   *p_pipe = nfa_hciu_find_pipe_by_pid (p_evt_data->open_pipe.pipe);
    tNFA_HCI_DYN_GATE   *p_gate = NULL;

    if (p_pipe != NULL)
        p_gate = nfa_hciu_find_gate_by_gid (p_pipe->local_gate);

    if (  (p_pipe != NULL)
        &&(p_gate != NULL)
        &&(nfa_hciu_is_active_host (p_pipe->dest_host))
        &&(p_gate->gate_owner == p_evt_data->open_pipe.hci_handle))
    {
        if (p_pipe->pipe_state == NFA_HCI_PIPE_CLOSED)
        {
            nfa_hciu_send_open_pipe_cmd (p_evt_data->open_pipe.pipe);
        }
        else
        {
            evt_data.opened.pipe   = p_evt_data->open_pipe.pipe;
            evt_data.opened.status = NFA_STATUS_OK;

            nfa_hciu_send_to_app (NFA_HCI_OPEN_PIPE_EVT, &evt_data, p_evt_data->open_pipe.hci_handle);
        }
    }
    else
    {
        evt_data.opened.pipe   = p_evt_data->open_pipe.pipe;
        evt_data.opened.status = NFA_STATUS_FAILED;

        nfa_hciu_send_to_app (NFA_HCI_OPEN_PIPE_EVT, &evt_data, p_evt_data->open_pipe.hci_handle);
    }
}

/*******************************************************************************
**
** Function         nfa_hci_api_get_reg_value
**
** Description      action function to get the reg value of the specified index
**
** Returns          TRUE, if the command is processed
**                  FALSE, if command is queued for processing later
**
*******************************************************************************/
static BOOLEAN nfa_hci_api_get_reg_value (tNFA_HCI_EVENT_DATA *p_evt_data)
{
    tNFA_HCI_DYN_PIPE   *p_pipe = nfa_hciu_find_pipe_by_pid (p_evt_data->get_registry.pipe);
    tNFA_HCI_DYN_GATE   *p_gate;
    tNFA_STATUS         status = NFA_STATUS_FAILED;
    tNFA_HCI_EVT_DATA   evt_data;

    if (p_pipe != NULL)
    {
        p_gate = nfa_hciu_find_gate_by_gid (p_pipe->local_gate);

        if ((p_gate != NULL) && (nfa_hciu_is_active_host (p_pipe->dest_host)) && (p_gate->gate_owner == p_evt_data->get_registry.hci_handle))
        {
            nfa_hci_cb.app_in_use        = p_evt_data->get_registry.hci_handle;

            if (nfa_hciu_is_host_reseting (p_pipe->dest_host))
            {
                GKI_enqueue (&nfa_hci_cb.hci_host_reset_api_q, (BT_HDR *) p_evt_data);
                return FALSE;
            }

            if (p_pipe->pipe_state == NFA_HCI_PIPE_CLOSED)
            {
                NFA_TRACE_WARNING1 ("nfa_hci_api_get_reg_value pipe:%d not open", p_evt_data->get_registry.pipe);
            }
            else
            {
                if ((status = nfa_hciu_send_get_param_cmd (p_evt_data->get_registry.pipe, p_evt_data->get_registry.reg_inx)) == NFA_STATUS_OK)
                    return TRUE;
            }
        }
    }

    evt_data.cmd_sent.status = status;

    /* Send NFA_HCI_CMD_SENT_EVT to notify failure */
    nfa_hciu_send_to_app (NFA_HCI_CMD_SENT_EVT, &evt_data, p_evt_data->get_registry.hci_handle);
    return TRUE;
}

/*******************************************************************************
**
** Function         nfa_hci_api_set_reg_value
**
** Description      action function to set the reg value at specified index
**
** Returns          TRUE, if the command is processed
**                  FALSE, if command is queued for processing later
**
*******************************************************************************/
static BOOLEAN nfa_hci_api_set_reg_value (tNFA_HCI_EVENT_DATA *p_evt_data)
{
    tNFA_HCI_DYN_PIPE   *p_pipe = nfa_hciu_find_pipe_by_pid (p_evt_data->set_registry.pipe);
    tNFA_HCI_DYN_GATE   *p_gate;
    tNFA_STATUS         status = NFA_STATUS_FAILED;
    tNFA_HCI_EVT_DATA   evt_data;

    if (p_pipe != NULL)
    {
        p_gate = nfa_hciu_find_gate_by_gid (p_pipe->local_gate);

        if ((p_gate != NULL) && (nfa_hciu_is_active_host (p_pipe->dest_host)) && (p_gate->gate_owner == p_evt_data->set_registry.hci_handle))
        {
            nfa_hci_cb.app_in_use        = p_evt_data->set_registry.hci_handle;

            if (nfa_hciu_is_host_reseting (p_pipe->dest_host))
            {
                GKI_enqueue (&nfa_hci_cb.hci_host_reset_api_q, (BT_HDR *) p_evt_data);
                return FALSE;
            }

            if (p_pipe->pipe_state == NFA_HCI_PIPE_CLOSED)
            {
                NFA_TRACE_WARNING1 ("nfa_hci_api_set_reg_value pipe:%d not open", p_evt_data->set_registry.pipe);
            }
            else
            {
                if ((status = nfa_hciu_send_set_param_cmd (p_evt_data->set_registry.pipe, p_evt_data->set_registry.reg_inx, p_evt_data->set_registry.size, p_evt_data->set_registry.data)) == NFA_STATUS_OK)
                    return TRUE;
            }
        }
    }
    evt_data.cmd_sent.status = status;

    /* Send NFA_HCI_CMD_SENT_EVT to notify failure */
    nfa_hciu_send_to_app (NFA_HCI_CMD_SENT_EVT, &evt_data, p_evt_data->set_registry.hci_handle);
    return TRUE;

}

/*******************************************************************************
**
** Function         nfa_hci_api_close_pipe
**
** Description      action function to close a pipe
**
** Returns          None
**
*******************************************************************************/
static void nfa_hci_api_close_pipe (tNFA_HCI_EVENT_DATA *p_evt_data)
{
    tNFA_HCI_EVT_DATA   evt_data;
    tNFA_HCI_DYN_PIPE   *p_pipe = nfa_hciu_find_pipe_by_pid (p_evt_data->close_pipe.pipe);
    tNFA_HCI_DYN_GATE   *p_gate = NULL;

    if (p_pipe != NULL)
        p_gate = nfa_hciu_find_gate_by_gid (p_pipe->local_gate);

    if (  (p_pipe != NULL)
        &&(p_gate != NULL)
        &&(nfa_hciu_is_active_host (p_pipe->dest_host))
        &&(p_gate->gate_owner == p_evt_data->close_pipe.hci_handle)  )
    {
        if (p_pipe->pipe_state == NFA_HCI_PIPE_OPENED)
        {
            nfa_hciu_send_close_pipe_cmd (p_evt_data->close_pipe.pipe);
        }
        else
        {
            evt_data.closed.status = NFA_STATUS_OK;
            evt_data.closed.pipe   = p_evt_data->close_pipe.pipe;

            nfa_hciu_send_to_app (NFA_HCI_CLOSE_PIPE_EVT, &evt_data, p_evt_data->close_pipe.hci_handle);
        }
    }
    else
    {
        evt_data.closed.status = NFA_STATUS_FAILED;
        evt_data.closed.pipe   = 0x00;

        nfa_hciu_send_to_app (NFA_HCI_CLOSE_PIPE_EVT, &evt_data, p_evt_data->close_pipe.hci_handle);
    }
}

/*******************************************************************************
**
** Function         nfa_hci_api_delete_pipe
**
** Description      action function to delete a pipe
**
** Returns          None
**
*******************************************************************************/
static void nfa_hci_api_delete_pipe (tNFA_HCI_EVENT_DATA *p_evt_data)
{
    tNFA_HCI_EVT_DATA   evt_data;
    tNFA_HCI_DYN_PIPE   *p_pipe = nfa_hciu_find_pipe_by_pid (p_evt_data->delete_pipe.pipe);
    tNFA_HCI_DYN_GATE   *p_gate = NULL;

    if (p_pipe != NULL)
    {
        p_gate = nfa_hciu_find_gate_by_gid (p_pipe->local_gate);
        if (  (p_gate != NULL)
            &&(p_gate->gate_owner == p_evt_data->delete_pipe.hci_handle)
            &&(nfa_hciu_is_active_host (p_pipe->dest_host))  )
        {
            nfa_hciu_send_delete_pipe_cmd (p_evt_data->delete_pipe.pipe);
            return;
        }
    }

    evt_data.deleted.status = NFA_STATUS_FAILED;
    evt_data.deleted.pipe   = 0x00;
    nfa_hciu_send_to_app (NFA_HCI_DELETE_PIPE_EVT, &evt_data, p_evt_data->close_pipe.hci_handle);
}

/*******************************************************************************
**
** Function         nfa_hci_api_send_cmd
**
** Description      action function to send command on the given pipe
**
** Returns          TRUE, if the command is processed
**                  FALSE, if command is queued for processing later
**
*******************************************************************************/
static BOOLEAN nfa_hci_api_send_cmd (tNFA_HCI_EVENT_DATA *p_evt_data)
{
    tNFA_STATUS         status = NFA_STATUS_FAILED;
    tNFA_HCI_DYN_PIPE   *p_pipe;
    tNFA_HCI_EVT_DATA   evt_data;
    tNFA_HANDLE         app_handle;

    if ((p_pipe = nfa_hciu_find_pipe_by_pid (p_evt_data->send_cmd.pipe)) != NULL)
    {
        app_handle = nfa_hciu_get_pipe_owner (p_evt_data->send_cmd.pipe);

        if (  (nfa_hciu_is_active_host (p_pipe->dest_host))
            &&(app_handle == p_evt_data->send_cmd.hci_handle)  )
        {
            if (nfa_hciu_is_host_reseting (p_pipe->dest_host))
            {
                GKI_enqueue (&nfa_hci_cb.hci_host_reset_api_q, (BT_HDR *) p_evt_data);
                return FALSE;
            }

            if (p_pipe->pipe_state == NFA_HCI_PIPE_OPENED)
            {
                nfa_hci_cb.pipe_in_use = p_evt_data->send_cmd.pipe;
                if ((status = nfa_hciu_send_msg (p_pipe->pipe_id, NFA_HCI_COMMAND_TYPE, p_evt_data->send_cmd.cmd_code,
                                            p_evt_data->send_cmd.cmd_len, p_evt_data->send_cmd.data)) == NFA_STATUS_OK)
                    return TRUE;
            }
            else
            {
                NFA_TRACE_WARNING1 ("nfa_hci_api_send_cmd pipe:%d not open", p_pipe->pipe_id);
            }
        }
        else
        {
            NFA_TRACE_WARNING1 ("nfa_hci_api_send_cmd pipe:%d Owned by different application or Destination host is not active",
                                p_pipe->pipe_id);
        }
    }
    else
    {
        NFA_TRACE_WARNING1 ("nfa_hci_api_send_cmd pipe:%d not found", p_evt_data->send_cmd.pipe);
    }

    evt_data.cmd_sent.status = status;

    /* Send NFA_HCI_CMD_SENT_EVT to notify failure */
    nfa_hciu_send_to_app (NFA_HCI_CMD_SENT_EVT, &evt_data, p_evt_data->send_cmd.hci_handle);
    return TRUE;
}

/*******************************************************************************
**
** Function         nfa_hci_api_send_rsp
**
** Description      action function to send response on the given pipe
**
** Returns          None
**
*******************************************************************************/
static void nfa_hci_api_send_rsp (tNFA_HCI_EVENT_DATA *p_evt_data)
{
    tNFA_STATUS         status = NFA_STATUS_FAILED;
    tNFA_HCI_DYN_PIPE   *p_pipe;
    tNFA_HCI_EVT_DATA   evt_data;
    tNFA_HANDLE         app_handle;

    if ((p_pipe = nfa_hciu_find_pipe_by_pid (p_evt_data->send_rsp.pipe)) != NULL)
    {
        app_handle = nfa_hciu_get_pipe_owner (p_evt_data->send_rsp.pipe);

        if (  (nfa_hciu_is_active_host (p_pipe->dest_host))
            &&(app_handle == p_evt_data->send_rsp.hci_handle)  )
        {
            if (p_pipe->pipe_state == NFA_HCI_PIPE_OPENED)
            {
                if ((status = nfa_hciu_send_msg (p_pipe->pipe_id, NFA_HCI_RESPONSE_TYPE, p_evt_data->send_rsp.response,
                                            p_evt_data->send_rsp.size, p_evt_data->send_rsp.data)) == NFA_STATUS_OK)
                    return;
            }
            else
            {
                NFA_TRACE_WARNING1 ("nfa_hci_api_send_rsp pipe:%d not open", p_pipe->pipe_id);
            }
        }
        else
        {
            NFA_TRACE_WARNING1 ("nfa_hci_api_send_rsp pipe:%d Owned by different application or Destination host is not active",
                                p_pipe->pipe_id);
        }
    }
    else
    {
        NFA_TRACE_WARNING1 ("nfa_hci_api_send_rsp pipe:%d not found", p_evt_data->send_rsp.pipe);
    }

    evt_data.rsp_sent.status = status;

    /* Send NFA_HCI_RSP_SENT_EVT to notify failure */
    nfa_hciu_send_to_app (NFA_HCI_RSP_SENT_EVT, &evt_data, p_evt_data->send_rsp.hci_handle);
}

/*******************************************************************************
**
** Function         nfa_hci_api_send_event
**
** Description      action function to send an event to the given pipe
**
** Returns          TRUE, if the event is processed
**                  FALSE, if event is queued for processing later
**
*******************************************************************************/
static BOOLEAN nfa_hci_api_send_event (tNFA_HCI_EVENT_DATA *p_evt_data)
{
    tNFA_STATUS         status = NFA_STATUS_FAILED;
    tNFA_HCI_DYN_PIPE   *p_pipe;
    tNFA_HCI_EVT_DATA   evt_data;
    tNFA_HANDLE         app_handle;

    if ((p_pipe = nfa_hciu_find_pipe_by_pid (p_evt_data->send_evt.pipe)) != NULL)
    {
        app_handle = nfa_hciu_get_pipe_owner (p_evt_data->send_evt.pipe);

        if (  (nfa_hciu_is_active_host (p_pipe->dest_host))
            &&(app_handle == p_evt_data->send_evt.hci_handle)  )
        {
            if (nfa_hciu_is_host_reseting (p_pipe->dest_host))
            {
                GKI_enqueue (&nfa_hci_cb.hci_host_reset_api_q, (BT_HDR *) p_evt_data);
                return FALSE;
            }

            if (p_pipe->pipe_state == NFA_HCI_PIPE_OPENED)
            {
                status = nfa_hciu_send_msg (p_pipe->pipe_id, NFA_HCI_EVENT_TYPE, p_evt_data->send_evt.evt_code,
                                            p_evt_data->send_evt.evt_len, p_evt_data->send_evt.p_evt_buf);

                if (status == NFA_STATUS_OK)
                {
                    if (p_evt_data->send_evt.rsp_len)
                    {
                        nfa_hci_cb.pipe_in_use  = p_evt_data->send_evt.pipe;
                        nfa_hci_cb.rsp_buf_size = p_evt_data->send_evt.rsp_len;
                        nfa_hci_cb.p_rsp_buf    = p_evt_data->send_evt.p_rsp_buf;
                        if (p_evt_data->send_evt.rsp_timeout)
                        {
                            nfa_hci_cb.w4_rsp_evt   = TRUE;
                            nfa_hci_cb.hci_state    = NFA_HCI_STATE_WAIT_RSP;
                            nfa_sys_start_timer (&nfa_hci_cb.timer, NFA_HCI_RSP_TIMEOUT_EVT, p_evt_data->send_evt.rsp_timeout);
                        }
                    }
                    else
                    {
                        nfa_hci_cb.rsp_buf_size = 0;
                        nfa_hci_cb.p_rsp_buf    = NULL;
                    }
                }
            }
            else
            {
                NFA_TRACE_WARNING1 ("nfa_hci_api_send_event pipe:%d not open", p_pipe->pipe_id);
            }
        }
        else
        {
            NFA_TRACE_WARNING1 ("nfa_hci_api_send_event pipe:%d Owned by different application or Destination host is not active",
                                p_pipe->pipe_id);
        }
    }
    else
    {
        NFA_TRACE_WARNING1 ("nfa_hci_api_send_event pipe:%d not found", p_evt_data->send_evt.pipe);
    }

    evt_data.evt_sent.status = status;

    /* Send NFC_HCI_EVENT_SENT_EVT to notify failure */
    nfa_hciu_send_to_app (NFA_HCI_EVENT_SENT_EVT, &evt_data, p_evt_data->send_evt.hci_handle);
    return TRUE;
}

/*******************************************************************************
**
** Function         nfa_hci_api_add_static_pipe
**
** Description      action function to add static pipe
**
** Returns          None
**
*******************************************************************************/
static void nfa_hci_api_add_static_pipe (tNFA_HCI_EVENT_DATA *p_evt_data)
{
    tNFA_HCI_DYN_GATE   *pg;
    tNFA_HCI_DYN_PIPE   *pp;
    tNFA_HCI_EVT_DATA   evt_data;

    /* Allocate a proprietary gate */
    if ((pg = nfa_hciu_alloc_gate (p_evt_data->add_static_pipe.gate, p_evt_data->add_static_pipe.hci_handle)) != NULL)
    {
        /* Assign new owner to the gate */
        pg->gate_owner = p_evt_data->add_static_pipe.hci_handle;

        /* Add the dynamic pipe to the proprietary gate */
        if (nfa_hciu_add_pipe_to_gate (p_evt_data->add_static_pipe.pipe,pg->gate_id, p_evt_data->add_static_pipe.host, p_evt_data->add_static_pipe.gate) != NFA_HCI_ANY_OK)
        {
            /* Unable to add the dynamic pipe, so release the gate */
            nfa_hciu_release_gate (pg->gate_id);
            evt_data.pipe_added.status = NFA_STATUS_FAILED;
            nfa_hciu_send_to_app (NFA_HCI_ADD_STATIC_PIPE_EVT, &evt_data, p_evt_data->add_static_pipe.hci_handle);
            return;
        }
        if ((pp = nfa_hciu_find_pipe_by_pid (p_evt_data->add_static_pipe.pipe)) != NULL)
        {
            /* This pipe is always opened */
            pp->pipe_state = NFA_HCI_PIPE_OPENED;
            evt_data.pipe_added.status = NFA_STATUS_OK;
            nfa_hciu_send_to_app (NFA_HCI_ADD_STATIC_PIPE_EVT, &evt_data, p_evt_data->add_static_pipe.hci_handle);
            return;
        }
    }
    /* Unable to add static pipe */
    evt_data.pipe_added.status = NFA_STATUS_FAILED;
    nfa_hciu_send_to_app (NFA_HCI_ADD_STATIC_PIPE_EVT, &evt_data, p_evt_data->add_static_pipe.hci_handle);

}

/*******************************************************************************
**
** Function         nfa_hci_handle_link_mgm_gate_cmd
**
** Description      This function handles incoming link management gate hci
**                  commands
**
** Returns          none
**
*******************************************************************************/
void nfa_hci_handle_link_mgm_gate_cmd (UINT8 *p_data)
{
    UINT8       index;
    UINT8       data[2];
    UINT8       rsp_len = 0;
    UINT8       response = NFA_HCI_ANY_OK;

    if (  (nfa_hci_cb.cfg.link_mgmt_gate.pipe00_state != NFA_HCI_PIPE_OPENED)
        &&(nfa_hci_cb.inst != NFA_HCI_ANY_OPEN_PIPE) )
    {
        nfa_hciu_send_msg (NFA_HCI_LINK_MANAGEMENT_PIPE, NFA_HCI_RESPONSE_TYPE, NFA_HCI_ANY_E_PIPE_NOT_OPENED, 0, NULL);
        return;
    }

    switch (nfa_hci_cb.inst)
    {
    case NFA_HCI_ANY_SET_PARAMETER:
        STREAM_TO_UINT8 (index, p_data);

        if (index == 1)
        {
            STREAM_TO_UINT16 (nfa_hci_cb.cfg.link_mgmt_gate.rec_errors, p_data);
        }
        else
            response = NFA_HCI_ANY_E_REG_PAR_UNKNOWN;
        break;

    case NFA_HCI_ANY_GET_PARAMETER:
        STREAM_TO_UINT8 (index, p_data);
        if (index == 1)
        {
            data[0] = (UINT8) ((nfa_hci_cb.cfg.link_mgmt_gate.rec_errors >> 8) & 0x00FF);
            data[1] = (UINT8) (nfa_hci_cb.cfg.link_mgmt_gate.rec_errors & 0x000F);
            rsp_len = 2;
        }
        else
            response = NFA_HCI_ANY_E_REG_PAR_UNKNOWN;
        break;

    case NFA_HCI_ANY_OPEN_PIPE:
        data[0]  = 0;
        rsp_len  = 1;
        nfa_hci_cb.cfg.link_mgmt_gate.pipe00_state = NFA_HCI_PIPE_OPENED;
        break;

    case NFA_HCI_ANY_CLOSE_PIPE:
        nfa_hci_cb.cfg.link_mgmt_gate.pipe00_state = NFA_HCI_PIPE_CLOSED;
        break;

    default:
        response = NFA_HCI_ANY_E_CMD_NOT_SUPPORTED;
        break;
    }

    nfa_hciu_send_msg (NFA_HCI_LINK_MANAGEMENT_PIPE, NFA_HCI_RESPONSE_TYPE, response, rsp_len, data);
}



/*******************************************************************************
**
** Function         nfa_hci_handle_pipe_open_close_cmd
**
** Description      This function handles all generic gates (excluding
**                  connectivity gate) commands
**
** Returns          none
**
*******************************************************************************/
void nfa_hci_handle_pipe_open_close_cmd (tNFA_HCI_DYN_PIPE *p_pipe)
{
    UINT8               data[1];
    UINT8               rsp_len = 0;
    tNFA_HCI_RESPONSE   response = NFA_HCI_ANY_OK;
    tNFA_HCI_DYN_GATE   *p_gate;

    if (nfa_hci_cb.inst == NFA_HCI_ANY_OPEN_PIPE)
    {
        if ((p_gate = nfa_hciu_find_gate_by_gid(p_pipe->local_gate)) != NULL)
            data[0] = nfa_hciu_count_open_pipes_on_gate (p_gate);
        else
            data[0] = 0;

        p_pipe->pipe_state = NFA_HCI_PIPE_OPENED;
        rsp_len = 1;
    }
    else if (nfa_hci_cb.inst == NFA_HCI_ANY_CLOSE_PIPE)
    {
        p_pipe->pipe_state = NFA_HCI_PIPE_CLOSED;
    }

    nfa_hciu_send_msg (p_pipe->pipe_id, NFA_HCI_RESPONSE_TYPE, response, rsp_len, data);
}

/*******************************************************************************
**
** Function         nfa_hci_handle_admin_gate_cmd
**
** Description      This function handles incoming commands on ADMIN gate
**
** Returns          none
**
*******************************************************************************/
void nfa_hci_handle_admin_gate_cmd (UINT8 *p_data)
{
    UINT8               source_host, source_gate, dest_host, dest_gate, pipe;
    UINT8               data = 0;
    UINT8               rsp_len = 0;
    tNFA_HCI_RESPONSE   response = NFA_HCI_ANY_OK;
    tNFA_HCI_DYN_GATE   *pgate;
    tNFA_HCI_EVT_DATA   evt_data;

    switch (nfa_hci_cb.inst)
    {
    case NFA_HCI_ANY_OPEN_PIPE:
        nfa_hci_cb.cfg.admin_gate.pipe01_state = NFA_HCI_PIPE_OPENED;
        data    = 0;
        rsp_len = 1;
        break;

    case NFA_HCI_ANY_CLOSE_PIPE:
        nfa_hci_cb.cfg.admin_gate.pipe01_state = NFA_HCI_PIPE_CLOSED;
        /* Reopen the pipe immediately */
        nfa_hciu_send_msg (NFA_HCI_ADMIN_PIPE, NFA_HCI_RESPONSE_TYPE, response, rsp_len, &data);
        nfa_hci_cb.app_in_use = NFA_HANDLE_INVALID;
        nfa_hciu_send_open_pipe_cmd (NFA_HCI_ADMIN_PIPE);
        return;
        break;

    case NFA_HCI_ADM_NOTIFY_PIPE_CREATED:
        STREAM_TO_UINT8 (source_host, p_data);
        STREAM_TO_UINT8 (source_gate, p_data);
        STREAM_TO_UINT8 (dest_host,   p_data);
        STREAM_TO_UINT8 (dest_gate,   p_data);
        STREAM_TO_UINT8 (pipe,        p_data);

        if (  (dest_gate == NFA_HCI_IDENTITY_MANAGEMENT_GATE)
            ||(dest_gate == NFA_HCI_LOOP_BACK_GATE) )
        {
            response = nfa_hciu_add_pipe_to_static_gate (dest_gate, pipe, source_host, source_gate);
        }
        else
        {
            if ((pgate = nfa_hciu_find_gate_by_gid (dest_gate)) != NULL)
            {
                /* If the gate is valid, add the pipe to it  */
                if ((response = nfa_hciu_add_pipe_to_gate (pipe, dest_gate, source_host, source_gate)) == NFA_HCI_ANY_OK)
                {
                    /* Tell the application a pipe was created with its gate */

                    evt_data.created.status       = NFA_STATUS_OK;
                    evt_data.created.pipe         = pipe;
                    evt_data.created.source_gate  = dest_gate;
                    evt_data.created.dest_host    = source_host;
                    evt_data.created.dest_gate    = source_gate;

                    nfa_hciu_send_to_app (NFA_HCI_CREATE_PIPE_EVT, &evt_data, pgate->gate_owner);
                }
            }
            else
                response = NFA_HCI_ANY_E_NOK;
        }
        break;

    case NFA_HCI_ADM_NOTIFY_PIPE_DELETED:
        STREAM_TO_UINT8 (pipe, p_data);
        response = nfa_hciu_release_pipe (pipe);
        break;

    case NFA_HCI_ADM_NOTIFY_ALL_PIPE_CLEARED:
        STREAM_TO_UINT8 (source_host, p_data);

        nfa_hciu_remove_all_pipes_from_host (source_host);

        if (source_host == NFA_HCI_HOST_CONTROLLER)
        {
            nfa_hci_cb.cfg.link_mgmt_gate.pipe00_state = NFA_HCI_PIPE_CLOSED;
            nfa_hci_cb.cfg.admin_gate.pipe01_state     = NFA_HCI_PIPE_CLOSED;

            /* Reopen the admin pipe immediately */
            nfa_hci_cb.app_in_use = NFA_HANDLE_INVALID;
            nfa_hciu_send_open_pipe_cmd (NFA_HCI_ADMIN_PIPE);
            return;
        }
        else
        {
            if (  (source_host >= NFA_HCI_HOST_ID_UICC0)
                &&(source_host < (NFA_HCI_HOST_ID_UICC0 + NFA_HCI_MAX_HOST_IN_NETWORK))  )
            {
                nfa_hci_cb.reset_host[source_host - NFA_HCI_HOST_ID_UICC0] = source_host;
            }
        }
        break;

    default:
        response = NFA_HCI_ANY_E_CMD_NOT_SUPPORTED;
        break;
    }

    nfa_hciu_send_msg (NFA_HCI_ADMIN_PIPE, NFA_HCI_RESPONSE_TYPE, response, rsp_len, &data);
}

/*******************************************************************************
**
** Function         nfa_hci_handle_admin_gate_rsp
**
** Description      This function handles response received on admin gate
**
** Returns          none
**
*******************************************************************************/
void nfa_hci_handle_admin_gate_rsp (UINT8 *p_data, UINT8 data_len)
{
    UINT8               hosts[2] = {NFA_HCI_HOST_ID_UICC0, (NFA_HCI_HOST_ID_UICC0 + 1)};
    UINT8               source_host;
    UINT8               source_gate = nfa_hci_cb.local_gate_in_use;
    UINT8               dest_host   = nfa_hci_cb.remote_host_in_use;
    UINT8               dest_gate   = nfa_hci_cb.remote_gate_in_use;
    UINT8               pipe        = 0;
    tNFA_STATUS         status;
    tNFA_HCI_EVT_DATA   evt_data;
    UINT8               default_session[NFA_HCI_SESSION_ID_LEN] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
    UINT8               host_count  = 0;
    UINT8               host_id     = 0;
    UINT32              os_tick;

#if (BT_TRACE_VERBOSE == TRUE)
    NFA_TRACE_DEBUG4 ("nfa_hci_handle_admin_gate_rsp - LastCmdSent: %s  App: 0x%04x  Gate: 0x%02x  Pipe: 0x%02x",
                       nfa_hciu_instr_2_str(nfa_hci_cb.cmd_sent), nfa_hci_cb.app_in_use, nfa_hci_cb.local_gate_in_use, nfa_hci_cb.pipe_in_use);
#else
    NFA_TRACE_DEBUG4 ("nfa_hci_handle_admin_gate_rsp LastCmdSent: %u  App: 0x%04x  Gate: 0x%02x  Pipe: 0x%02x",
                       nfa_hci_cb.cmd_sent, nfa_hci_cb.app_in_use, nfa_hci_cb.local_gate_in_use, nfa_hci_cb.pipe_in_use);
#endif

    if (nfa_hci_cb.inst == NFA_HCI_ANY_E_PIPE_NOT_OPENED)
    {
        nfa_hciu_send_open_pipe_cmd (NFA_HCI_ADMIN_PIPE);
        return;
    }

    /* If starting up, handle events here */
    if (  (nfa_hci_cb.hci_state == NFA_HCI_STATE_STARTUP)
        ||(nfa_hci_cb.hci_state == NFA_HCI_STATE_RESTORE)
        ||(nfa_hci_cb.hci_state == NFA_HCI_STATE_WAIT_NETWK_ENABLE)  )
    {
        if (nfa_hci_cb.inst != NFA_HCI_ANY_OK)
        {
            NFA_TRACE_ERROR0 ("nfa_hci_handle_admin_gate_rsp - Initialization failed");
            nfa_hci_startup_complete (NFA_STATUS_FAILED);
            return;
        }

        switch (nfa_hci_cb.cmd_sent)
        {
        case NFA_HCI_ANY_SET_PARAMETER:
            if (nfa_hci_cb.param_in_use == NFA_HCI_SESSION_IDENTITY_INDEX)
            {
                /* Set WHITELIST */
                nfa_hciu_send_set_param_cmd (NFA_HCI_ADMIN_PIPE, NFA_HCI_WHITELIST_INDEX, 0x02, hosts);
            }
            else if (nfa_hci_cb.param_in_use == NFA_HCI_WHITELIST_INDEX)
            {
                if (nfa_hci_cb.hci_state == NFA_HCI_STATE_STARTUP)
                    nfa_hci_dh_startup_complete ();

                else if (nfa_hci_cb.hci_state == NFA_HCI_STATE_RESTORE)
                    nfa_hci_startup_complete (NFA_STATUS_OK);
            }
            break;

        case NFA_HCI_ANY_GET_PARAMETER:
            if (nfa_hci_cb.param_in_use == NFA_HCI_HOST_LIST_INDEX)
            {
                host_count = 0;
                while (host_count < NFA_HCI_MAX_HOST_IN_NETWORK)
                {
                    nfa_hci_cb.inactive_host[host_count] = NFA_HCI_HOST_ID_UICC0 + host_count;
                    host_count++;
                }

                host_count = 0;
                /* Collect active host in the Host Network */
                while (host_count < data_len)
                {
                    host_id = (UINT8) *p_data++;

                    if (  (host_id >= NFA_HCI_HOST_ID_UICC0)
                        &&(host_id < NFA_HCI_HOST_ID_UICC0 + NFA_HCI_MAX_HOST_IN_NETWORK)  )
                    {
                        nfa_hci_cb.inactive_host[host_id - NFA_HCI_HOST_ID_UICC0] = 0x00;
                        nfa_hci_cb.reset_host[host_id - NFA_HCI_HOST_ID_UICC0] = 0x00;
                    }

                    host_count++;
                }
                nfa_hci_startup_complete (NFA_STATUS_OK);
            }
            else if (nfa_hci_cb.param_in_use == NFA_HCI_SESSION_IDENTITY_INDEX)
            {
                /* The only parameter we get when initializing is the session ID. Check for match. */
                if (!memcmp ((UINT8 *) nfa_hci_cb.cfg.admin_gate.session_id, p_data, NFA_HCI_SESSION_ID_LEN) )
                {
                    /* Session has not changed. Set the WHITELIST */
                    nfa_hciu_send_set_param_cmd (NFA_HCI_ADMIN_PIPE, NFA_HCI_WHITELIST_INDEX, 0x01, hosts);
                }
                else
                {
                    /* Something wrong, NVRAM data could be corrupt or first start with default session id */
                    nfa_hciu_send_clear_all_pipe_cmd ();
                    nfa_hci_cb.b_hci_netwk_reset = TRUE;
                }
            }
            break;

        case NFA_HCI_ANY_OPEN_PIPE:
            nfa_hci_cb.cfg.admin_gate.pipe01_state = NFA_HCI_PIPE_OPENED;

            if (nfa_hci_cb.b_hci_netwk_reset)
            {
                nfa_hci_cb.b_hci_netwk_reset = FALSE;
               /* Session ID is reset, Set New session id */
                memcpy (&nfa_hci_cb.cfg.admin_gate.session_id[NFA_HCI_SESSION_ID_LEN / 2], nfa_hci_cb.cfg.admin_gate.session_id, (NFA_HCI_SESSION_ID_LEN / 2));
                os_tick = GKI_get_os_tick_count ();
                memcpy (nfa_hci_cb.cfg.admin_gate.session_id, (UINT8 *)&os_tick, (NFA_HCI_SESSION_ID_LEN / 2));
                nfa_hciu_send_set_param_cmd (NFA_HCI_ADMIN_PIPE, NFA_HCI_SESSION_IDENTITY_INDEX, NFA_HCI_SESSION_ID_LEN, (UINT8 *) nfa_hci_cb.cfg.admin_gate.session_id);
            }
            else
            {
                /* First thing is to get the session ID */
                nfa_hciu_send_get_param_cmd (NFA_HCI_ADMIN_PIPE, NFA_HCI_SESSION_IDENTITY_INDEX);
            }
            break;

        case NFA_HCI_ADM_CLEAR_ALL_PIPE:
            nfa_hciu_remove_all_pipes_from_host (0);
            nfa_hci_cb.cfg.admin_gate.pipe01_state = NFA_HCI_PIPE_CLOSED;
            nfa_hci_cb.cfg.link_mgmt_gate.pipe00_state = NFA_HCI_PIPE_CLOSED;
            nfa_hci_cb.nv_write_needed = TRUE;

            /* Open admin */
            nfa_hciu_send_open_pipe_cmd (NFA_HCI_ADMIN_PIPE);
            break;
        }
    }
    else
    {
        status = (nfa_hci_cb.inst == NFA_HCI_ANY_OK) ? NFA_STATUS_OK : NFA_STATUS_FAILED;

        switch (nfa_hci_cb.cmd_sent)
        {
        case NFA_HCI_ANY_SET_PARAMETER:
            if (nfa_hci_cb.hci_state == NFA_HCI_STATE_APP_DEREGISTER)
                nfa_hci_api_deregister (NULL);
            else if (nfa_hci_cb.hci_state == NFA_HCI_STATE_REMOVE_GATE)
                nfa_hci_api_dealloc_gate (NULL);
            break;

        case NFA_HCI_ANY_GET_PARAMETER:
            if (nfa_hci_cb.param_in_use == NFA_HCI_SESSION_IDENTITY_INDEX)
            {
                if (!memcmp ((UINT8 *) default_session, p_data , NFA_HCI_SESSION_ID_LEN))
                {
                    memcpy (&nfa_hci_cb.cfg.admin_gate.session_id[(NFA_HCI_SESSION_ID_LEN / 2)], nfa_hci_cb.cfg.admin_gate.session_id, (NFA_HCI_SESSION_ID_LEN / 2));
                    os_tick = GKI_get_os_tick_count ();
                    memcpy (nfa_hci_cb.cfg.admin_gate.session_id, (UINT8 *) &os_tick, (NFA_HCI_SESSION_ID_LEN / 2));
                    nfa_hci_cb.nv_write_needed = TRUE;
                    nfa_hciu_send_set_param_cmd (NFA_HCI_ADMIN_PIPE, NFA_HCI_SESSION_IDENTITY_INDEX, NFA_HCI_SESSION_ID_LEN, (UINT8 *) nfa_hci_cb.cfg.admin_gate.session_id);
                }
                else
                {
                    if (nfa_hci_cb.hci_state == NFA_HCI_STATE_APP_DEREGISTER)
                        nfa_hci_api_deregister (NULL);
                    else if (nfa_hci_cb.hci_state == NFA_HCI_STATE_REMOVE_GATE)
                        nfa_hci_api_dealloc_gate (NULL);
                }
            }
            else if (nfa_hci_cb.param_in_use == NFA_HCI_HOST_LIST_INDEX)
            {
                evt_data.hosts.status    = status;
                evt_data.hosts.num_hosts = data_len;
                memcpy (evt_data.hosts.host, p_data, data_len);

                host_count = 0;
                while (host_count < NFA_HCI_MAX_HOST_IN_NETWORK)
                {
                    nfa_hci_cb.inactive_host[host_count] = NFA_HCI_HOST_ID_UICC0 + host_count;
                    host_count++;
                }

                host_count = 0;
                /* Collect active host in the Host Network */
                while (host_count < data_len)
                {
                    host_id = (UINT8) *p_data++;

                    if (  (host_id >= NFA_HCI_HOST_ID_UICC0)
                        &&(host_id < NFA_HCI_HOST_ID_UICC0 + NFA_HCI_MAX_HOST_IN_NETWORK)  )
                    {
                        nfa_hci_cb.inactive_host[host_id - NFA_HCI_HOST_ID_UICC0] = 0x00;
                        nfa_hci_cb.reset_host[host_id - NFA_HCI_HOST_ID_UICC0] = 0x00;
                    }
                    host_count++;
                }
                if (nfa_hciu_is_no_host_resetting ())
                    nfa_hci_check_pending_api_requests ();
                nfa_hciu_send_to_app (NFA_HCI_HOST_LIST_EVT, &evt_data, nfa_hci_cb.app_in_use);
            }
            break;

        case NFA_HCI_ADM_CREATE_PIPE:
            if (status == NFA_STATUS_OK)
            {
                STREAM_TO_UINT8 (source_host, p_data);
                STREAM_TO_UINT8 (source_gate, p_data);
                STREAM_TO_UINT8 (dest_host,   p_data);
                STREAM_TO_UINT8 (dest_gate,   p_data);
                STREAM_TO_UINT8 (pipe,        p_data);

                /* Sanity check */
                if (source_gate != nfa_hci_cb.local_gate_in_use)
                {
                    NFA_TRACE_WARNING2 ("nfa_hci_handle_admin_gate_rsp sent create pipe with gate: %u got back: %u",
                                        nfa_hci_cb.local_gate_in_use, source_gate);
                    break;
                }

                nfa_hciu_add_pipe_to_gate (pipe, source_gate, dest_host, dest_gate);

            }

            /* Tell the application his pipe was created or not */
            evt_data.created.status       = status;
            evt_data.created.pipe         = pipe;
            evt_data.created.source_gate  = source_gate;
            evt_data.created.dest_host    = dest_host;
            evt_data.created.dest_gate    = dest_gate;

            nfa_hciu_send_to_app (NFA_HCI_CREATE_PIPE_EVT, &evt_data, nfa_hci_cb.app_in_use);
            break;

        case NFA_HCI_ADM_DELETE_PIPE:
            if (status == NFA_STATUS_OK)
            {
                nfa_hciu_release_pipe (nfa_hci_cb.pipe_in_use);

                /* If only deleting one pipe, tell the app we are done */
                if (nfa_hci_cb.hci_state == NFA_HCI_STATE_IDLE)
                {
                    evt_data.deleted.status         = status;
                    evt_data.deleted.pipe           = nfa_hci_cb.pipe_in_use;

                    nfa_hciu_send_to_app (NFA_HCI_DELETE_PIPE_EVT, &evt_data, nfa_hci_cb.app_in_use);
                }
                else if (nfa_hci_cb.hci_state == NFA_HCI_STATE_APP_DEREGISTER)
                    nfa_hci_api_deregister (NULL);
                else if (nfa_hci_cb.hci_state == NFA_HCI_STATE_REMOVE_GATE)
                    nfa_hci_api_dealloc_gate (NULL);
            }
            else
            {
                /* If only deleting one pipe, tell the app we are done */
                if (nfa_hci_cb.hci_state == NFA_HCI_STATE_IDLE)
                {
                    evt_data.deleted.status         = status;
                    evt_data.deleted.pipe           = nfa_hci_cb.pipe_in_use;

                    nfa_hciu_send_to_app (NFA_HCI_DELETE_PIPE_EVT, &evt_data, nfa_hci_cb.app_in_use);
                }
                else if (nfa_hci_cb.hci_state == NFA_HCI_STATE_APP_DEREGISTER)
                {
                    nfa_hciu_release_pipe (nfa_hci_cb.pipe_in_use);
                    nfa_hci_api_deregister (NULL);
                }
                else if (nfa_hci_cb.hci_state == NFA_HCI_STATE_REMOVE_GATE)
                {
                    nfa_hciu_release_pipe (nfa_hci_cb.pipe_in_use);
                    nfa_hci_api_dealloc_gate (NULL);
                }
            }
            break;

        case NFA_HCI_ANY_OPEN_PIPE:
            nfa_hci_cb.cfg.admin_gate.pipe01_state = status ? NFA_HCI_PIPE_CLOSED:NFA_HCI_PIPE_OPENED;
            nfa_hci_cb.nv_write_needed = TRUE;
            if (nfa_hci_cb.cfg.admin_gate.pipe01_state == NFA_HCI_PIPE_OPENED)
            {
                /* First thing is to get the session ID */
                nfa_hciu_send_get_param_cmd (NFA_HCI_ADMIN_PIPE, NFA_HCI_SESSION_IDENTITY_INDEX);
            }
            break;

        case NFA_HCI_ADM_CLEAR_ALL_PIPE:
            nfa_hciu_remove_all_pipes_from_host (0);
            nfa_hci_cb.cfg.admin_gate.pipe01_state = NFA_HCI_PIPE_CLOSED;
            nfa_hci_cb.cfg.link_mgmt_gate.pipe00_state = NFA_HCI_PIPE_CLOSED;
            nfa_hci_cb.nv_write_needed = TRUE;
            /* Open admin */
            nfa_hciu_send_open_pipe_cmd (NFA_HCI_ADMIN_PIPE);
            break;

        }
    }
}

/*******************************************************************************
**
** Function         nfa_hci_handle_admin_gate_evt
**
** Description      This function handles events received on admin gate
**
** Returns          none
**
*******************************************************************************/
void nfa_hci_handle_admin_gate_evt (UINT8 *p_data)
{
    tNFA_HCI_EVT_DATA   evt_data;

    if (nfa_hci_cb.inst != NFA_HCI_EVT_HOT_PLUG)
    {
        NFA_TRACE_ERROR0 ("nfa_hci_handle_admin_gate_evt - Unknown event on ADMIN Pipe");
        return;
    }

    evt_data.rcvd_evt.evt_code = nfa_hci_cb.inst;

    nfa_hciu_send_get_param_cmd (NFA_HCI_ADMIN_PIPE, NFA_HCI_HOST_LIST_INDEX);
    nfa_hciu_send_to_all_apps (NFA_HCI_EVENT_RCVD_EVT, &evt_data);
}

/*******************************************************************************
**
** Function         nfa_hci_handle_dyn_pipe_pkt
**
** Description      This function handles data received via dynamic pipe
**
** Returns          none
**
*******************************************************************************/
void nfa_hci_handle_dyn_pipe_pkt (UINT8 pipe_id, UINT8 *p_data, UINT16 data_len)
{
    tNFA_HCI_DYN_PIPE   *p_pipe = nfa_hciu_find_pipe_by_pid (pipe_id);
    tNFA_HCI_DYN_GATE   *p_gate;

    if (p_pipe == NULL)
    {
        /* Invalid pipe ID */
        NFA_TRACE_ERROR1 ("nfa_hci_handle_dyn_pipe_pkt - Unknown pipe %d",pipe_id);
        if (nfa_hci_cb.type == NFA_HCI_COMMAND_TYPE)
            nfa_hciu_send_msg (pipe_id, NFA_HCI_RESPONSE_TYPE, NFA_HCI_ANY_E_NOK, 0, NULL);
        return;
    }

    if (p_pipe->local_gate == NFA_HCI_IDENTITY_MANAGEMENT_GATE)
    {
        nfa_hci_handle_identity_mgmt_gate_pkt (p_data, p_pipe);
    }
    else if (p_pipe->local_gate == NFA_HCI_LOOP_BACK_GATE)
    {
        nfa_hci_handle_loopback_gate_pkt (p_data, data_len, p_pipe);
    }
    else if (p_pipe->local_gate == NFA_HCI_CONNECTIVITY_GATE)
    {
        nfa_hci_handle_connectivity_gate_pkt (p_data, data_len, p_pipe);
    }
    else
    {
        p_gate = nfa_hciu_find_gate_by_gid (p_pipe->local_gate);
        if (p_gate == NULL)
        {
            NFA_TRACE_ERROR1 ("nfa_hci_handle_dyn_pipe_pkt - Pipe's gate %d is corrupt",p_pipe->local_gate);
            if (nfa_hci_cb.type == NFA_HCI_COMMAND_TYPE)
                nfa_hciu_send_msg (pipe_id, NFA_HCI_RESPONSE_TYPE, NFA_HCI_ANY_E_NOK, 0, NULL);
            return;
        }

        /* Check if data packet is a command, response or event */
        switch (nfa_hci_cb.type)
        {
        case NFA_HCI_COMMAND_TYPE:
            nfa_hci_handle_generic_gate_cmd (p_data, (UINT8) data_len, p_gate, p_pipe);
            break;

        case NFA_HCI_RESPONSE_TYPE:
            nfa_hci_handle_generic_gate_rsp (p_data, (UINT8) data_len, p_gate, p_pipe);
            break;

        case NFA_HCI_EVENT_TYPE:
            nfa_hci_handle_generic_gate_evt (p_data, data_len, p_gate, p_pipe);
            break;
        }
    }
}

/*******************************************************************************
**
** Function         nfa_hci_handle_identity_mgmt_gate_pkt
**
** Description      This function handles incoming Identity Management gate hci
**                  commands
**
** Returns          none
**
*******************************************************************************/
static void nfa_hci_handle_identity_mgmt_gate_pkt (UINT8 *p_data, tNFA_HCI_DYN_PIPE *p_pipe)
{
    UINT8       data[20];
    UINT8       index;
    UINT8       gate_rsp[3 + NFA_HCI_MAX_GATE_CB], num_gates;
    UINT16      rsp_len = 0;
    UINT8       *p_rsp = data;
    tNFA_HCI_RESPONSE response = NFA_HCI_ANY_OK;

    /* We never send commands on a pipe where the local gate is the identity management
     * gate, so only commands should be processed.
     */
    if (nfa_hci_cb.type != NFA_HCI_COMMAND_TYPE)
        return;

    switch (nfa_hci_cb.inst)
    {
    case  NFA_HCI_ANY_GET_PARAMETER:
        index = *(p_data++);
        if (p_pipe->pipe_state == NFA_HCI_PIPE_OPENED)
        {
            switch (index)
            {
            case NFA_HCI_VERSION_SW_INDEX:
                data[0] = (UINT8) ((NFA_HCI_VERSION_SW >> 16 ) & 0xFF);
                data[1] = (UINT8) ((NFA_HCI_VERSION_SW >> 8 ) & 0xFF);
                data[2] = (UINT8) ((NFA_HCI_VERSION_SW ) & 0xFF);
                rsp_len = 3;
                break;

            case NFA_HCI_HCI_VERSION_INDEX:
                data[0] = NFA_HCI_VERSION;
                rsp_len = 1;
                break;

            case NFA_HCI_VERSION_HW_INDEX:
                data[0] = (UINT8) ((NFA_HCI_VERSION_HW >> 16 ) & 0xFF);
                data[1] = (UINT8) ((NFA_HCI_VERSION_HW >> 8 ) & 0xFF);
                data[2] = (UINT8) ((NFA_HCI_VERSION_HW ) & 0xFF);
                rsp_len = 3;
                break;

            case NFA_HCI_VENDOR_NAME_INDEX:
                memcpy (data,NFA_HCI_VENDOR_NAME,strlen (NFA_HCI_VENDOR_NAME));
                rsp_len = (UINT8) strlen (NFA_HCI_VENDOR_NAME);
                break;

            case NFA_HCI_MODEL_ID_INDEX:
                data[0] = NFA_HCI_MODEL_ID;
                rsp_len = 1;
                break;

            case NFA_HCI_GATES_LIST_INDEX:
                gate_rsp[0] = NFA_HCI_LOOP_BACK_GATE;
                gate_rsp[1] = NFA_HCI_IDENTITY_MANAGEMENT_GATE;
                gate_rsp[2] = NFA_HCI_CONNECTIVITY_GATE;
                num_gates   = nfa_hciu_get_allocated_gate_list (&gate_rsp[3]);
                rsp_len     = num_gates + 3;
                p_rsp       = gate_rsp;
                break;

            default:
                response = NFA_HCI_ANY_E_NOK;
                break;
            }
        }
        else
        {
            response = NFA_HCI_ANY_E_PIPE_NOT_OPENED;
        }
        break;

    case NFA_HCI_ANY_OPEN_PIPE:
        data[0] = 0;
        rsp_len = 1;
        p_pipe->pipe_state = NFA_HCI_PIPE_OPENED;
        break;

    case NFA_HCI_ANY_CLOSE_PIPE:
        p_pipe->pipe_state = NFA_HCI_PIPE_CLOSED;
        break;

    default:
        response = NFA_HCI_ANY_E_CMD_NOT_SUPPORTED;
        break;
    }

    nfa_hciu_send_msg (p_pipe->pipe_id, NFA_HCI_RESPONSE_TYPE, response, rsp_len, p_rsp);
}

/*******************************************************************************
**
** Function         nfa_hci_handle_generic_gate_cmd
**
** Description      This function handles all generic gates (excluding
**                  connectivity gate) commands
**
** Returns          none
**
*******************************************************************************/
static void nfa_hci_handle_generic_gate_cmd (UINT8 *p_data, UINT8 data_len, tNFA_HCI_DYN_GATE *p_gate, tNFA_HCI_DYN_PIPE *p_pipe)
{
    tNFA_HCI_EVT_DATA   evt_data;
    tNFA_HANDLE         app_handle = nfa_hciu_get_pipe_owner (p_pipe->pipe_id);

    switch (nfa_hci_cb.inst)
    {
    case NFA_HCI_ANY_SET_PARAMETER:
        evt_data.registry.pipe     = p_pipe->pipe_id;
        evt_data.registry.index    = *p_data++;
        if (data_len > 0)
            data_len--;
        evt_data.registry.data_len = data_len;

        if (data_len <= NFA_MAX_HCI_DATA_LEN)
            memcpy (evt_data.registry.reg_data, p_data, data_len);

        nfa_hciu_send_to_app (NFA_HCI_SET_REG_CMD_EVT, &evt_data, app_handle);
        break;

    case NFA_HCI_ANY_GET_PARAMETER:
        evt_data.registry.pipe     = p_pipe->pipe_id;
        evt_data.registry.index    = *p_data;
        evt_data.registry.data_len = 0;

        nfa_hciu_send_to_app (NFA_HCI_GET_REG_CMD_EVT, &evt_data, app_handle);
        break;

    case NFA_HCI_ANY_OPEN_PIPE:
        nfa_hci_handle_pipe_open_close_cmd (p_pipe);

        evt_data.opened.pipe   = p_pipe->pipe_id;
        evt_data.opened.status = NFA_STATUS_OK;

        nfa_hciu_send_to_app (NFA_HCI_OPEN_PIPE_EVT, &evt_data, app_handle);
        break;

    case NFA_HCI_ANY_CLOSE_PIPE:
        nfa_hci_handle_pipe_open_close_cmd (p_pipe);

        evt_data.closed.pipe   = p_pipe->pipe_id;
        evt_data.opened.status = NFA_STATUS_OK;

        nfa_hciu_send_to_app (NFA_HCI_CLOSE_PIPE_EVT, &evt_data, app_handle);
        break;

    default:
        /* Could be application specific command, pass it on */
        evt_data.cmd_rcvd.status   = NFA_STATUS_OK;
        evt_data.cmd_rcvd.pipe     = p_pipe->pipe_id;;
        evt_data.cmd_rcvd.cmd_code = nfa_hci_cb.inst;
        evt_data.cmd_rcvd.cmd_len  = data_len;

        if (data_len <= NFA_MAX_HCI_CMD_LEN)
            memcpy (evt_data.cmd_rcvd.cmd_data, p_data, data_len);

        nfa_hciu_send_to_app (NFA_HCI_CMD_RCVD_EVT, &evt_data, app_handle);
        break;
    }
}

/*******************************************************************************
**
** Function         nfa_hci_handle_generic_gate_rsp
**
** Description      This function handles all generic gates (excluding
**                  connectivity) response
**
** Returns          none
**
*******************************************************************************/
static void nfa_hci_handle_generic_gate_rsp (UINT8 *p_data, UINT8 data_len, tNFA_HCI_DYN_GATE *p_gate, tNFA_HCI_DYN_PIPE *p_pipe)
{
    tNFA_HCI_EVT_DATA   evt_data;
    tNFA_STATUS         status = NFA_STATUS_OK;

    if (nfa_hci_cb.inst != NFA_HCI_ANY_OK)
        status = NFA_STATUS_FAILED;

    if (nfa_hci_cb.cmd_sent == NFA_HCI_ANY_OPEN_PIPE)
    {
        if (status == NFA_STATUS_OK)
            p_pipe->pipe_state = NFA_HCI_PIPE_OPENED;

        nfa_hci_cb.nv_write_needed = TRUE;
        /* Tell application */
        evt_data.opened.status  = status;
        evt_data.opened.pipe    = p_pipe->pipe_id;

        nfa_hciu_send_to_app (NFA_HCI_OPEN_PIPE_EVT, &evt_data, nfa_hci_cb.app_in_use);
    }
    else if (nfa_hci_cb.cmd_sent == NFA_HCI_ANY_CLOSE_PIPE)
    {
        p_pipe->pipe_state = NFA_HCI_PIPE_CLOSED;

        nfa_hci_cb.nv_write_needed = TRUE;
        /* Tell application */
        evt_data.opened.status = status;;
        evt_data.opened.pipe   = p_pipe->pipe_id;

        nfa_hciu_send_to_app (NFA_HCI_CLOSE_PIPE_EVT, &evt_data, nfa_hci_cb.app_in_use);
    }
    else if (nfa_hci_cb.cmd_sent == NFA_HCI_ANY_GET_PARAMETER)
    {
        /* Tell application */
        evt_data.registry.status   = status;
        evt_data.registry.pipe     = p_pipe->pipe_id;
        evt_data.registry.data_len = data_len;
        evt_data.registry.index    = nfa_hci_cb.param_in_use;

        memcpy (evt_data.registry.reg_data, p_data, data_len);

        nfa_hciu_send_to_app (NFA_HCI_GET_REG_RSP_EVT, &evt_data, nfa_hci_cb.app_in_use);
    }
    else if (nfa_hci_cb.cmd_sent == NFA_HCI_ANY_SET_PARAMETER)
    {
        /* Tell application */
        evt_data.registry.status = status;;
        evt_data.registry.pipe   = p_pipe->pipe_id;

        nfa_hciu_send_to_app (NFA_HCI_SET_REG_RSP_EVT, &evt_data, nfa_hci_cb.app_in_use);
    }
    else
    {
        /* Could be a response to application specific command sent, pass it on */
        evt_data.rsp_rcvd.status   = NFA_STATUS_OK;
        evt_data.rsp_rcvd.pipe     = p_pipe->pipe_id;;
        evt_data.rsp_rcvd.rsp_code = nfa_hci_cb.inst;
        evt_data.rsp_rcvd.rsp_len  = data_len;

        if (data_len <= NFA_MAX_HCI_RSP_LEN)
            memcpy (evt_data.rsp_rcvd.rsp_data, p_data, data_len);

        nfa_hciu_send_to_app (NFA_HCI_RSP_RCVD_EVT, &evt_data, nfa_hci_cb.app_in_use);
    }

}

/*******************************************************************************
**
** Function         nfa_hci_handle_connectivity_gate_pkt
**
** Description      This function handles incoming connectivity gate packets
**
** Returns          none
**
*******************************************************************************/
static void nfa_hci_handle_connectivity_gate_pkt (UINT8 *p_data, UINT16 data_len, tNFA_HCI_DYN_PIPE *p_pipe)
{
    tNFA_HCI_EVT_DATA   evt_data;

    if (nfa_hci_cb.type == NFA_HCI_COMMAND_TYPE)
    {
        switch (nfa_hci_cb.inst)
        {
        case NFA_HCI_ANY_OPEN_PIPE:
        case NFA_HCI_ANY_CLOSE_PIPE:
            nfa_hci_handle_pipe_open_close_cmd (p_pipe);
            break;

        case NFA_HCI_CON_PRO_HOST_REQUEST:
            /* A request to the DH to activate another host. This is not supported for */
            /* now, we will implement it when the spec is clearer and UICCs need it.   */
            nfa_hciu_send_msg (p_pipe->pipe_id, NFA_HCI_RESPONSE_TYPE, NFA_HCI_ANY_E_CMD_NOT_SUPPORTED, 0, NULL);
            break;

        default:
            nfa_hciu_send_msg (p_pipe->pipe_id, NFA_HCI_RESPONSE_TYPE, NFA_HCI_ANY_E_CMD_NOT_SUPPORTED, 0, NULL);
            break;
        }
    }
    else if (nfa_hci_cb.type == NFA_HCI_RESPONSE_TYPE)
    {
        if ((nfa_hci_cb.cmd_sent == NFA_HCI_ANY_OPEN_PIPE) && (nfa_hci_cb.inst == NFA_HCI_ANY_OK))
            p_pipe->pipe_state = NFA_HCI_PIPE_OPENED;
        else if (nfa_hci_cb.cmd_sent == NFA_HCI_ANY_CLOSE_PIPE)
            p_pipe->pipe_state = NFA_HCI_PIPE_CLOSED;
    }
    else if (nfa_hci_cb.type == NFA_HCI_EVENT_TYPE)
    {
        evt_data.rcvd_evt.pipe      = p_pipe->pipe_id;
        evt_data.rcvd_evt.evt_code  = nfa_hci_cb.inst;
        evt_data.rcvd_evt.evt_len   = data_len;
        evt_data.rcvd_evt.p_evt_buf = p_data;

        /* notify NFA_HCI_EVENT_RCVD_EVT to the application */
        nfa_hciu_send_to_apps_handling_connectivity_evts (NFA_HCI_EVENT_RCVD_EVT, &evt_data);
    }
}

/*******************************************************************************
**
** Function         nfa_hci_handle_loopback_gate_pkt
**
** Description      This function handles incoming loopback gate hci events
**
** Returns          none
**
*******************************************************************************/
static void nfa_hci_handle_loopback_gate_pkt (UINT8 *p_data, UINT16 data_len, tNFA_HCI_DYN_PIPE *p_pipe)
{
    UINT8               data[1];
    UINT8               rsp_len = 0;
    tNFA_HCI_RESPONSE   response = NFA_HCI_ANY_OK;


    /* Check if data packet is a command, response or event */
    if (nfa_hci_cb.type == NFA_HCI_COMMAND_TYPE)
    {
        if (nfa_hci_cb.inst == NFA_HCI_ANY_OPEN_PIPE)
        {
            data[0] = 0;
            rsp_len = 1;
            p_pipe->pipe_state = NFA_HCI_PIPE_OPENED;
        }
        else if (nfa_hci_cb.inst == NFA_HCI_ANY_CLOSE_PIPE)
        {
            p_pipe->pipe_state = NFA_HCI_PIPE_CLOSED;
        }
        else
            response = NFA_HCI_ANY_E_PIPE_NOT_OPENED;

        nfa_hciu_send_msg (p_pipe->pipe_id, NFA_HCI_RESPONSE_TYPE, response, rsp_len, data);
    }
    else if (nfa_hci_cb.type == NFA_HCI_RESPONSE_TYPE)
    {
        /* Since we never send any commands on our local loopback gate,
         * there should not be any response.
         */
    }
    else if (nfa_hci_cb.type == NFA_HCI_EVENT_TYPE)
    {
        if (nfa_hci_cb.inst == NFA_HCI_EVT_POST_DATA)
        {
            /* Send back the same data we got */
            nfa_hciu_send_msg (p_pipe->pipe_id, NFA_HCI_EVENT_TYPE, NFA_HCI_EVT_POST_DATA, data_len, p_data);
        }
    }
}

/*******************************************************************************
**
** Function         nfa_hci_handle_generic_gate_evt
**
** Description      This function handles incoming Generic gate hci events
**
** Returns          none
**
*******************************************************************************/
static void nfa_hci_handle_generic_gate_evt (UINT8 *p_data, UINT16 data_len, tNFA_HCI_DYN_GATE *p_gate, tNFA_HCI_DYN_PIPE *p_pipe)
{
    tNFA_HCI_EVT_DATA   evt_data;

    evt_data.rcvd_evt.pipe      = p_pipe->pipe_id;
    evt_data.rcvd_evt.evt_code  = nfa_hci_cb.inst;
    evt_data.rcvd_evt.evt_len   = data_len;

    if (nfa_hci_cb.assembly_failed)
        evt_data.rcvd_evt.status    = NFA_STATUS_BUFFER_FULL;
    else
        evt_data.rcvd_evt.status    = NFA_STATUS_OK;

    evt_data.rcvd_evt.p_evt_buf = p_data;
    nfa_hci_cb.rsp_buf_size     = 0;
    nfa_hci_cb.p_rsp_buf        = NULL;

    /* notify NFA_HCI_EVENT_RCVD_EVT to the application */
    nfa_hciu_send_to_app (NFA_HCI_EVENT_RCVD_EVT, &evt_data, p_gate->gate_owner);
}