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      1 /******************************************************************************
      2  *
      3  *  Copyright (C) 2010-2013 Broadcom Corporation
      4  *
      5  *  Licensed under the Apache License, Version 2.0 (the "License");
      6  *  you may not use this file except in compliance with the License.
      7  *  You may obtain a copy of the License at:
      8  *
      9  *  http://www.apache.org/licenses/LICENSE-2.0
     10  *
     11  *  Unless required by applicable law or agreed to in writing, software
     12  *  distributed under the License is distributed on an "AS IS" BASIS,
     13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14  *  See the License for the specific language governing permissions and
     15  *  limitations under the License.
     16  *
     17  ******************************************************************************/
     18 
     19 
     20 /******************************************************************************
     21  *
     22  *  This file contains the action functions for NFA-EE
     23  *
     24  ******************************************************************************/
     25 #include <string.h>
     26 #include "nfa_sys.h"
     27 #include "nfa_api.h"
     28 #include "nfa_dm_int.h"
     29 #include "nfa_sys_int.h"
     30 #include "nfc_api.h"
     31 #include "nfa_ee_int.h"
     32 
     33 
     34 /* the de-bounce timer:
     35  * The NFA-EE API functions are called to set the routing and VS configuration.
     36  * When this timer expires, the configuration is sent to NFCC all at once.
     37  * This is the timeout value for the de-bounce timer. */
     38 #ifndef NFA_EE_ROUT_TIMEOUT_VAL
     39 #define NFA_EE_ROUT_TIMEOUT_VAL         1000
     40 #endif
     41 
     42 #define NFA_EE_ROUT_BUF_SIZE            540
     43 #define NFA_EE_ROUT_ONE_TECH_CFG_LEN    4
     44 #define NFA_EE_ROUT_ONE_PROTO_CFG_LEN   4
     45 #define NFA_EE_ROUT_MAX_TLV_SIZE        0xFD
     46 
     47 
     48 /* the following 2 tables convert the technology mask in API and control block to the command for NFCC */
     49 #define NFA_EE_NUM_TECH     3
     50 const UINT8 nfa_ee_tech_mask_list[NFA_EE_NUM_TECH] =
     51 {
     52     NFA_TECHNOLOGY_MASK_A,
     53     NFA_TECHNOLOGY_MASK_B,
     54     NFA_TECHNOLOGY_MASK_F
     55 };
     56 
     57 const UINT8 nfa_ee_tech_list[NFA_EE_NUM_TECH] =
     58 {
     59     NFC_RF_TECHNOLOGY_A,
     60     NFC_RF_TECHNOLOGY_B,
     61     NFC_RF_TECHNOLOGY_F
     62 };
     63 
     64 /* the following 2 tables convert the protocol mask in API and control block to the command for NFCC */
     65 #define NFA_EE_NUM_PROTO     5
     66 const UINT8 nfa_ee_proto_mask_list[NFA_EE_NUM_PROTO] =
     67 {
     68     NFA_PROTOCOL_MASK_T1T,
     69     NFA_PROTOCOL_MASK_T2T,
     70     NFA_PROTOCOL_MASK_T3T,
     71     NFA_PROTOCOL_MASK_ISO_DEP,
     72     NFA_PROTOCOL_MASK_NFC_DEP
     73 };
     74 
     75 const UINT8 nfa_ee_proto_list[NFA_EE_NUM_PROTO] =
     76 {
     77     NFC_PROTOCOL_T1T,
     78     NFC_PROTOCOL_T2T,
     79     NFC_PROTOCOL_T3T,
     80     NFC_PROTOCOL_ISO_DEP,
     81     NFC_PROTOCOL_NFC_DEP
     82 };
     83 
     84 static void nfa_ee_report_discover_req_evt(void);
     85 static void nfa_ee_build_discover_req_evt (tNFA_EE_DISCOVER_REQ *p_evt_data);
     86 /*******************************************************************************
     87 **
     88 ** Function         nfa_ee_conn_cback
     89 **
     90 ** Description      process connection callback event from stack
     91 **
     92 ** Returns          void
     93 **
     94 *******************************************************************************/
     95 static void nfa_ee_conn_cback (UINT8 conn_id, tNFC_CONN_EVT event, tNFC_CONN *p_data)
     96 {
     97     BT_HDR             *p_msg;
     98     tNFA_EE_NCI_CONN    cbk;
     99 
    100     NFA_TRACE_DEBUG2("nfa_ee_conn_cback: conn_id: %d, event=0x%02x", conn_id, event);
    101 
    102     cbk.hdr.event   = NFA_EE_NCI_CONN_EVT;
    103     if (event == NFC_DATA_CEVT)
    104     {
    105         /* Treat data event specially to avoid potential memory leak */
    106         cbk.hdr.event   = NFA_EE_NCI_DATA_EVT;
    107     }
    108     cbk.conn_id     = conn_id;
    109     cbk.event       = event;
    110     cbk.p_data      = p_data;
    111     p_msg           = (BT_HDR *)&cbk;
    112 
    113     nfa_ee_evt_hdlr (p_msg);
    114 }
    115 
    116 
    117 /*******************************************************************************
    118 **
    119 ** Function         nfa_ee_find_total_aid_len
    120 **
    121 ** Description      Find the total len in aid_cfg from start_entry to the last
    122 **
    123 ** Returns          void
    124 **
    125 *******************************************************************************/
    126 int nfa_ee_find_total_aid_len(tNFA_EE_ECB *p_cb, int start_entry)
    127 {
    128     int len = 0, xx;
    129 
    130     if (p_cb->aid_entries > start_entry)
    131     {
    132         for (xx = start_entry; xx < p_cb->aid_entries; xx++)
    133         {
    134             len += p_cb->aid_len[xx];
    135         }
    136     }
    137     return len;
    138 }
    139 
    140 
    141 
    142 
    143 /*******************************************************************************
    144 **
    145 ** Function         nfa_ee_find_aid_offset
    146 **
    147 ** Description      Given the AID, find the associated tNFA_EE_ECB and the
    148 **                  offset in aid_cfg[]. *p_entry is the index.
    149 **
    150 ** Returns          void
    151 **
    152 *******************************************************************************/
    153 tNFA_EE_ECB * nfa_ee_find_aid_offset(UINT8 aid_len, UINT8 *p_aid, int *p_offset, int *p_entry)
    154 {
    155     int  xx, yy, aid_len_offset, offset;
    156     tNFA_EE_ECB *p_ret = NULL, *p_ecb;
    157 
    158     p_ecb = &nfa_ee_cb.ecb[NFA_EE_CB_4_DH];
    159     aid_len_offset = 1; /* skip the tag */
    160     for (yy = 0; yy < nfa_ee_cb.cur_ee; yy++, p_ecb++)
    161     {
    162         if (p_ecb->aid_entries)
    163         {
    164             offset = 0;
    165             for (xx = 0; xx < p_ecb->aid_entries; xx++)
    166             {
    167                 if (  (p_ecb->aid_cfg[offset + aid_len_offset] == aid_len)
    168                     &&(memcmp(&p_ecb->aid_cfg[offset + aid_len_offset + 1], p_aid, aid_len) == 0)  )
    169                 {
    170                     p_ret = p_ecb;
    171                     if (p_offset)
    172                         *p_offset = offset;
    173                     if (p_entry)
    174                         *p_entry  = xx;
    175                     break;
    176                 }
    177                 offset += p_ecb->aid_len[xx];
    178             }
    179 
    180             if (p_ret)
    181             {
    182                 /* found the entry already */
    183                 break;
    184             }
    185         }
    186         p_ecb = &nfa_ee_cb.ecb[yy];
    187     }
    188 
    189     return p_ret;
    190 }
    191 
    192 /*******************************************************************************
    193 **
    194 ** Function         nfa_ee_report_event
    195 **
    196 ** Description      report the given event to the callback
    197 **
    198 ** Returns          void
    199 **
    200 *******************************************************************************/
    201 void nfa_ee_report_event(tNFA_EE_CBACK *p_cback, tNFA_EE_EVT event, tNFA_EE_CBACK_DATA *p_data)
    202 {
    203     int xx;
    204 
    205     /* use the given callback, if not NULL */
    206     if (p_cback)
    207     {
    208         (*p_cback)(event, p_data);
    209         return;
    210     }
    211     /* if the given is NULL, report to all registered ones */
    212     for (xx = 0; xx < NFA_EE_MAX_CBACKS; xx++)
    213     {
    214         if (nfa_ee_cb.p_ee_cback[xx] != NULL)
    215         {
    216             (*nfa_ee_cb.p_ee_cback[xx])(event, p_data);
    217         }
    218     }
    219 }
    220 /*******************************************************************************
    221 **
    222 ** Function         nfa_ee_start_timer
    223 **
    224 ** Description      start the de-bounce timer
    225 **
    226 ** Returns          void
    227 **
    228 *******************************************************************************/
    229 void nfa_ee_start_timer(void)
    230 {
    231     nfa_sys_start_timer(&nfa_ee_cb.timer, NFA_EE_ROUT_TIMEOUT_EVT, NFA_EE_ROUT_TIMEOUT_VAL);
    232 }
    233 
    234 /*******************************************************************************
    235 **
    236 ** Function         nfa_ee_api_discover
    237 **
    238 ** Description      process discover command from user
    239 **
    240 ** Returns          void
    241 **
    242 *******************************************************************************/
    243 void nfa_ee_api_discover(tNFA_EE_MSG *p_data)
    244 {
    245     tNFA_EE_CBACK *p_cback = p_data->ee_discover.p_cback;
    246     tNFA_EE_CBACK_DATA  evt_data = {0};
    247 
    248     NFA_TRACE_DEBUG1 ("nfa_ee_api_discover() in_use:%d", nfa_ee_cb.discv_timer.in_use);
    249     if (nfa_ee_cb.discv_timer.in_use)
    250     {
    251         nfa_sys_stop_timer(&nfa_ee_cb.discv_timer);
    252         NFC_NfceeDiscover(FALSE);
    253     }
    254     if (nfa_ee_cb.p_ee_disc_cback == NULL && NFC_NfceeDiscover(TRUE) == NFC_STATUS_OK)
    255     {
    256         nfa_ee_cb.p_ee_disc_cback   = p_cback;
    257     }
    258     else
    259     {
    260         evt_data.status = NFA_STATUS_FAILED;
    261         nfa_ee_report_event (p_cback, NFA_EE_DISCOVER_EVT, &evt_data);
    262     }
    263 }
    264 
    265 /*******************************************************************************
    266 **
    267 ** Function         nfa_ee_api_register
    268 **
    269 ** Description      process register command from user
    270 **
    271 ** Returns          void
    272 **
    273 *******************************************************************************/
    274 void nfa_ee_api_register(tNFA_EE_MSG *p_data)
    275 {
    276     int xx;
    277     tNFA_EE_CBACK *p_cback = p_data->ee_register.p_cback;
    278     tNFA_EE_CBACK_DATA  evt_data = {0};
    279     BOOLEAN found = FALSE;
    280 
    281     evt_data.ee_register = NFA_STATUS_FAILED;
    282     /* loop through all entries to see if there's a matching callback */
    283     for (xx = 0; xx < NFA_EE_MAX_CBACKS; xx++)
    284     {
    285         if (nfa_ee_cb.p_ee_cback[xx] == p_cback)
    286         {
    287             evt_data.ee_register        = NFA_STATUS_OK;
    288             found                       = TRUE;
    289             break;
    290         }
    291     }
    292 
    293     /* If no matching callback, allocated an entry */
    294     if (!found)
    295     {
    296         for (xx = 0; xx < NFA_EE_MAX_CBACKS; xx++)
    297         {
    298             if (nfa_ee_cb.p_ee_cback[xx] == NULL)
    299             {
    300                 nfa_ee_cb.p_ee_cback[xx]    = p_cback;
    301                 evt_data.ee_register        = NFA_STATUS_OK;
    302                 break;
    303             }
    304         }
    305     }
    306     /* This callback is verified (not NULL) in NFA_EeRegister() */
    307     (*p_cback)(NFA_EE_REGISTER_EVT, &evt_data);
    308 
    309     /* report NFCEE Discovery Request collected during booting up */
    310     nfa_ee_build_discover_req_evt (&evt_data.discover_req);
    311     (*p_cback)(NFA_EE_DISCOVER_REQ_EVT, &evt_data);
    312 }
    313 
    314 /*******************************************************************************
    315 **
    316 ** Function         nfa_ee_api_deregister
    317 **
    318 ** Description      process de-register command from user
    319 **
    320 ** Returns          void
    321 **
    322 *******************************************************************************/
    323 void nfa_ee_api_deregister(tNFA_EE_MSG *p_data)
    324 {
    325     tNFA_EE_CBACK *p_cback = NULL;
    326     int                 index  = p_data->deregister.index;
    327     tNFA_EE_CBACK_DATA  evt_data = {0};
    328 
    329     NFA_TRACE_DEBUG0 ("nfa_ee_api_deregister");
    330     p_cback = nfa_ee_cb.p_ee_cback[index];
    331     nfa_ee_cb.p_ee_cback[index] = NULL;
    332     if (p_cback)
    333         (*p_cback)(NFA_EE_DEREGISTER_EVT, &evt_data);
    334 }
    335 
    336 
    337 /*******************************************************************************
    338 **
    339 ** Function         nfa_ee_api_mode_set
    340 **
    341 ** Description      process mode set command from user
    342 **
    343 ** Returns          void
    344 **
    345 *******************************************************************************/
    346 void nfa_ee_api_mode_set(tNFA_EE_MSG *p_data)
    347 {
    348     tNFA_EE_ECB *p_cb= p_data->cfg_hdr.p_cb;
    349 
    350     NFA_TRACE_DEBUG2 ("nfa_ee_api_mode_set() handle:0x%02x mode:%d", p_cb->nfcee_id, p_data->mode_set.mode);
    351     NFC_NfceeModeSet (p_cb->nfcee_id, p_data->mode_set.mode);
    352     /* set the NFA_EE_STATUS_PENDING bit to indicate the status is not exactly active */
    353     if (p_data->mode_set.mode == NFC_MODE_ACTIVATE)
    354         p_cb->ee_status = NFA_EE_STATUS_PENDING | NFA_EE_STATUS_ACTIVE;
    355     else
    356     {
    357         p_cb->ee_status = NFA_EE_STATUS_INACTIVE;
    358         /* DH should release the NCI connection before deactivate the NFCEE */
    359         if (p_cb->conn_st == NFA_EE_CONN_ST_CONN)
    360         {
    361             p_cb->conn_st = NFA_EE_CONN_ST_DISC;
    362             NFC_ConnClose(p_cb->conn_id);
    363         }
    364     }
    365     /* report the NFA_EE_MODE_SET_EVT status on the response from NFCC */
    366 }
    367 
    368 
    369 
    370 /*******************************************************************************
    371 **
    372 ** Function         nfa_ee_api_set_tech_cfg
    373 **
    374 ** Description      process set technology routing configuration from user
    375 **                  start a 1 second timer. When the timer expires,
    376 **                  the configuration collected in control block is sent to NFCC
    377 **
    378 ** Returns          void
    379 **
    380 *******************************************************************************/
    381 void nfa_ee_api_set_tech_cfg(tNFA_EE_MSG *p_data)
    382 {
    383     tNFA_EE_ECB *p_cb = p_data->cfg_hdr.p_cb;
    384     tNFA_EE_CBACK_DATA  evt_data = {0};
    385 
    386     p_cb->tech_switch_on   = p_data->set_tech.technologies_switch_on;
    387     p_cb->tech_switch_off  = p_data->set_tech.technologies_switch_off;
    388     p_cb->tech_battery_off = p_data->set_tech.technologies_battery_off;
    389     p_cb->ecb_flags       |= NFA_EE_ECB_FLAGS_TECH;
    390     if (p_cb->tech_switch_on | p_cb->tech_switch_off | p_cb->tech_battery_off)
    391     {
    392         /* if any technology in any power mode is configured, mark this entry as configured */
    393         nfa_ee_cb.ee_cfged    |= nfa_ee_ecb_to_mask(p_cb);
    394     }
    395     nfa_ee_start_timer();
    396     nfa_ee_report_event (p_cb->p_ee_cback, NFA_EE_SET_TECH_CFG_EVT, &evt_data);
    397 }
    398 
    399 /*******************************************************************************
    400 **
    401 ** Function         nfa_ee_api_set_proto_cfg
    402 **
    403 ** Description      process set protocol routing configuration from user
    404 **                  start a 1 second timer. When the timer expires,
    405 **                  the configuration collected in control block is sent to NFCC
    406 **
    407 ** Returns          void
    408 **
    409 *******************************************************************************/
    410 void nfa_ee_api_set_proto_cfg(tNFA_EE_MSG *p_data)
    411 {
    412     tNFA_EE_ECB *p_cb = p_data->cfg_hdr.p_cb;
    413     tNFA_EE_CBACK_DATA  evt_data = {0};
    414 
    415     p_cb->proto_switch_on       = p_data->set_proto.protocols_switch_on;
    416     p_cb->proto_switch_off      = p_data->set_proto.protocols_switch_off;
    417     p_cb->proto_battery_off     = p_data->set_proto.protocols_battery_off;
    418     p_cb->ecb_flags            |= NFA_EE_ECB_FLAGS_PROTO;
    419     if (p_cb->proto_switch_on | p_cb->proto_switch_off | p_cb->proto_battery_off)
    420     {
    421         /* if any protocol in any power mode is configured, mark this entry as configured */
    422         nfa_ee_cb.ee_cfged         |= nfa_ee_ecb_to_mask(p_cb);
    423     }
    424     nfa_ee_start_timer();
    425     nfa_ee_report_event (p_cb->p_ee_cback, NFA_EE_SET_PROTO_CFG_EVT, &evt_data);
    426 }
    427 
    428 /*******************************************************************************
    429 **
    430 ** Function         nfa_ee_api_add_aid
    431 **
    432 ** Description      process add an AID routing configuration from user
    433 **                  start a 1 second timer. When the timer expires,
    434 **                  the configuration collected in control block is sent to NFCC
    435 **
    436 ** Returns          void
    437 **
    438 *******************************************************************************/
    439 void nfa_ee_api_add_aid(tNFA_EE_MSG *p_data)
    440 {
    441     tNFA_EE_API_ADD_AID *p_add = &p_data->add_aid;
    442     tNFA_EE_ECB *p_cb = p_data->cfg_hdr.p_cb;
    443     tNFA_EE_ECB *p_chk_cb;
    444     UINT8   *p, *p_start;
    445     int     len, len_needed;
    446     tNFA_EE_CBACK_DATA  evt_data = {0};
    447     int offset = 0, entry = 0;
    448 
    449     NFA_TRACE_DEBUG3 ("nfa_ee_api_add_aid nfcee_id:0x%x %02x%02x",
    450         p_cb->nfcee_id, p_add->p_aid[0], p_add->p_aid[1]);
    451     p_chk_cb = nfa_ee_find_aid_offset(p_add->aid_len, p_add->p_aid, &offset, &entry);
    452     if (p_chk_cb)
    453     {
    454         NFA_TRACE_DEBUG0 ("nfa_ee_api_add_aid The AID entry is already in the database");
    455         if (p_chk_cb == p_cb)
    456         {
    457             p_cb->aid_rt_info[entry]    |= NFA_EE_AE_ROUTE;
    458             p_cb->aid_pwr_cfg[entry]     = p_add->power_state;
    459         }
    460         else
    461         {
    462             NFA_TRACE_ERROR1 ("The AID entry is already in the database for different NFCEE ID:0x%02x", p_chk_cb->nfcee_id);
    463             evt_data.status = NFA_STATUS_SEMANTIC_ERROR;
    464         }
    465     }
    466     else
    467     {
    468         /* Find the total length so far */
    469         len = nfa_ee_find_total_aid_len(p_cb, 0);
    470 
    471         /* make sure the control block has enough room to hold this entry */
    472         len_needed  = p_add->aid_len + 2; /* tag/len */
    473 
    474         if ((len_needed + len) > NFA_EE_MAX_AID_CFG_LEN)
    475         {
    476             evt_data.status = NFA_STATUS_BUFFER_FULL;
    477         }
    478         else
    479         {
    480             /* add AID */
    481             p_cb->aid_pwr_cfg[p_cb->aid_entries]    = p_add->power_state;
    482             p_cb->aid_rt_info[p_cb->aid_entries]    = NFA_EE_AE_ROUTE;
    483             p       = p_cb->aid_cfg + len;
    484             p_start = p;
    485             *p++    = NFA_EE_AID_CFG_TAG_NAME;
    486             *p++    = p_add->aid_len;
    487             memcpy(p, p_add->p_aid, p_add->aid_len);
    488             p      += p_add->aid_len;
    489 
    490             p_cb->aid_len[p_cb->aid_entries++]     = (UINT8)(p - p_start);
    491         }
    492     }
    493 
    494     if (evt_data.status == NFA_STATUS_OK)
    495     {
    496         /* mark AID changed */
    497         p_cb->ecb_flags                       |= NFA_EE_ECB_FLAGS_AID;
    498         nfa_ee_cb.ee_cfged                    |= nfa_ee_ecb_to_mask(p_cb);
    499     }
    500     NFA_TRACE_DEBUG2 ("status:%d ee_cfged:0x%02x ",evt_data.status, nfa_ee_cb.ee_cfged);
    501     /* report the status of this operation */
    502     nfa_ee_report_event (p_cb->p_ee_cback, NFA_EE_ADD_AID_EVT, &evt_data);
    503 }
    504 
    505 /*******************************************************************************
    506 **
    507 ** Function         nfa_ee_api_remove_aid
    508 **
    509 ** Description      process remove an AID routing configuration from user
    510 **                  start a 1 second timer. When the timer expires,
    511 **                  the configuration collected in control block is sent to NFCC
    512 **
    513 ** Returns          void
    514 **
    515 *******************************************************************************/
    516 void nfa_ee_api_remove_aid(tNFA_EE_MSG *p_data)
    517 {
    518     tNFA_EE_ECB  *p_cb;
    519     tNFA_EE_CBACK_DATA  evt_data = {0};
    520     int offset = 0, entry = 0, len;
    521     int rest_len;
    522     tNFA_EE_CBACK *p_cback = NULL;
    523 
    524     NFA_TRACE_DEBUG0 ("nfa_ee_api_remove_aid");
    525     p_cb = nfa_ee_find_aid_offset(p_data->rm_aid.aid_len, p_data->rm_aid.p_aid, &offset, &entry);
    526     if (p_cb && p_cb->aid_entries)
    527     {
    528         NFA_TRACE_DEBUG2 ("aid_rt_info[%d]: 0x%02x", entry, p_cb->aid_rt_info[entry]);
    529         /* mark routing and VS changed */
    530         if (p_cb->aid_rt_info[entry] & NFA_EE_AE_ROUTE)
    531             p_cb->ecb_flags         |= NFA_EE_ECB_FLAGS_AID;
    532 
    533         if (p_cb->aid_rt_info[entry] & NFA_EE_AE_VS)
    534             p_cb->ecb_flags         |= NFA_EE_ECB_FLAGS_VS;
    535 
    536         /* remove the aid */
    537         if ((entry+1) < p_cb->aid_entries)
    538         {
    539             /* not the last entry, move the aid entries in control block */
    540             /* Find the total len from the next entry to the last one */
    541             rest_len = nfa_ee_find_total_aid_len(p_cb, entry + 1);
    542 
    543             len = p_cb->aid_len[entry];
    544             NFA_TRACE_DEBUG2 ("nfa_ee_api_remove_aid len:%d, rest_len:%d", len, rest_len);
    545             GKI_shiftup (&p_cb->aid_cfg[offset], &p_cb->aid_cfg[offset+ len], rest_len);
    546             rest_len = p_cb->aid_entries - entry;
    547             GKI_shiftup (&p_cb->aid_len[entry], &p_cb->aid_len[entry + 1], rest_len);
    548             GKI_shiftup (&p_cb->aid_pwr_cfg[entry], &p_cb->aid_pwr_cfg[entry + 1], rest_len);
    549             GKI_shiftup (&p_cb->aid_rt_info[entry], &p_cb->aid_rt_info[entry + 1], rest_len);
    550         }
    551         /* else the last entry, just reduce the aid_entries by 1 */
    552         p_cb->aid_entries--;
    553         nfa_ee_cb.ee_cfged      |= nfa_ee_ecb_to_mask(p_cb);
    554         /* report NFA_EE_REMOVE_AID_EVT to the callback associated the NFCEE */
    555         p_cback = p_cb->p_ee_cback;
    556     }
    557     else
    558     {
    559         NFA_TRACE_ERROR0 ("nfa_ee_api_remove_aid The AID entry is not in the database");
    560         evt_data.status = NFA_STATUS_INVALID_PARAM;
    561     }
    562     nfa_ee_report_event (p_cback, NFA_EE_REMOVE_AID_EVT, &evt_data);
    563 }
    564 
    565 /*******************************************************************************
    566 **
    567 ** Function         nfa_ee_api_update_now
    568 **
    569 ** Description      Initiates connection creation process to the given NFCEE
    570 **
    571 ** Returns          void
    572 **
    573 *******************************************************************************/
    574 void nfa_ee_api_update_now(tNFA_EE_MSG *p_data)
    575 {
    576     nfa_sys_stop_timer(&nfa_ee_cb.timer);
    577     nfa_ee_cb.ee_cfged  |= NFA_EE_CFGED_UPDATE_NOW;
    578     nfa_ee_rout_timeout(p_data);
    579 }
    580 
    581 /*******************************************************************************
    582 **
    583 ** Function         nfa_ee_api_connect
    584 **
    585 ** Description      Initiates connection creation process to the given NFCEE
    586 **
    587 ** Returns          void
    588 **
    589 *******************************************************************************/
    590 void nfa_ee_api_connect(tNFA_EE_MSG *p_data)
    591 {
    592     tNFA_EE_ECB  *p_cb = p_data->connect.p_cb;
    593     int xx;
    594     tNFA_EE_CBACK_DATA  evt_data = {0};
    595 
    596     evt_data.connect.status       = NFA_STATUS_FAILED;
    597     if (p_cb->conn_st == NFA_EE_CONN_ST_NONE)
    598     {
    599         for (xx = 0; xx < p_cb->num_interface; xx++)
    600         {
    601             if (p_data->connect.ee_interface == p_cb->ee_interface[xx])
    602             {
    603                 p_cb->p_ee_cback        = p_data->connect.p_cback;
    604                 p_cb->conn_st           = NFA_EE_CONN_ST_WAIT;
    605                 p_cb->use_interface     = p_data->connect.ee_interface;
    606                 evt_data.connect.status = NFC_ConnCreate(NCI_DEST_TYPE_NFCEE, p_data->connect.nfcee_id,
    607                     p_data->connect.ee_interface, nfa_ee_conn_cback);
    608                 /* report the NFA_EE_CONNECT_EVT status on the response from NFCC */
    609                 break;
    610             }
    611         }
    612     }
    613 
    614     if (evt_data.connect.status != NCI_STATUS_OK)
    615     {
    616         evt_data.connect.ee_handle    = (tNFA_HANDLE)p_data->connect.nfcee_id | NFA_HANDLE_GROUP_EE;
    617         evt_data.connect.status       = NFA_STATUS_INVALID_PARAM;
    618         evt_data.connect.ee_interface = p_data->connect.ee_interface;
    619         nfa_ee_report_event (p_data->connect.p_cback, NFA_EE_CONNECT_EVT, &evt_data);
    620     }
    621 }
    622 
    623 /*******************************************************************************
    624 **
    625 ** Function         nfa_ee_api_send_data
    626 **
    627 ** Description      Send the given data packet to the given NFCEE
    628 **
    629 ** Returns          void
    630 **
    631 *******************************************************************************/
    632 void nfa_ee_api_send_data(tNFA_EE_MSG *p_data)
    633 {
    634     tNFA_EE_ECB  *p_cb = p_data->send_data.p_cb;
    635     BT_HDR *p_pkt;
    636     UINT16 size = NCI_MSG_OFFSET_SIZE + NCI_DATA_HDR_SIZE + p_data->send_data.data_len + BT_HDR_SIZE;
    637     UINT8  *p;
    638     tNFA_STATUS status = NFA_STATUS_FAILED;
    639 
    640     if (p_cb->conn_st == NFA_EE_CONN_ST_CONN)
    641     {
    642         p_pkt = (BT_HDR *)GKI_getbuf(size);
    643         if (p_pkt)
    644         {
    645             p_pkt->offset   = NCI_MSG_OFFSET_SIZE + NCI_DATA_HDR_SIZE;
    646             p_pkt->len      = p_data->send_data.data_len;
    647             p               = (UINT8 *)(p_pkt+1) + p_pkt->offset;
    648             memcpy(p, p_data->send_data.p_data, p_pkt->len);
    649             NFC_SendData (p_cb->conn_id, p_pkt);
    650         }
    651         else
    652         {
    653             nfa_ee_report_event( p_cb->p_ee_cback, NFA_EE_NO_MEM_ERR_EVT, (tNFA_EE_CBACK_DATA *)&status);
    654         }
    655     }
    656     else
    657     {
    658         nfa_ee_report_event( p_cb->p_ee_cback, NFA_EE_NO_CB_ERR_EVT, (tNFA_EE_CBACK_DATA *)&status);
    659     }
    660 }
    661 
    662 /*******************************************************************************
    663 **
    664 ** Function         nfa_ee_api_disconnect
    665 **
    666 ** Description      Initiates closing of the connection to the given NFCEE
    667 **
    668 ** Returns          void
    669 **
    670 *******************************************************************************/
    671 void nfa_ee_api_disconnect(tNFA_EE_MSG *p_data)
    672 {
    673     tNFA_EE_ECB  *p_cb = p_data->disconnect.p_cb;
    674     tNFA_EE_CBACK_DATA  evt_data = {0};
    675 
    676     if (p_cb->conn_st == NFA_EE_CONN_ST_CONN)
    677     {
    678         p_cb->conn_st = NFA_EE_CONN_ST_DISC;
    679         NFC_ConnClose(p_cb->conn_id);
    680     }
    681     evt_data.handle = (tNFA_HANDLE)p_cb->nfcee_id | NFA_HANDLE_GROUP_EE;
    682     nfa_ee_report_event(p_cb->p_ee_cback, NFA_EE_DISCONNECT_EVT, &evt_data);
    683 }
    684 
    685 /*******************************************************************************
    686 **
    687 ** Function         nfa_ee_report_disc_done
    688 **
    689 ** Description      Process the callback for NFCEE discovery response
    690 **
    691 ** Returns          void
    692 **
    693 *******************************************************************************/
    694 void nfa_ee_report_disc_done(BOOLEAN notify_enable_done)
    695 {
    696     tNFA_EE_CBACK           *p_cback;
    697     tNFA_EE_CBACK_DATA      evt_data = {0};
    698 
    699     NFA_TRACE_DEBUG3("nfa_ee_report_disc_done() em_state:%d num_ee_expecting:%d notify_enable_done:%d", nfa_ee_cb.em_state, nfa_ee_cb.num_ee_expecting, notify_enable_done);
    700     if (nfa_ee_cb.num_ee_expecting == 0)
    701     {
    702         if (notify_enable_done)
    703         {
    704             if (nfa_ee_cb.em_state == NFA_EE_EM_STATE_INIT_DONE)
    705             {
    706                 nfa_sys_cback_notify_enable_complete (NFA_ID_EE);
    707                 if (nfa_ee_cb.p_enable_cback)
    708                     (*nfa_ee_cb.p_enable_cback)(NFA_EE_DISC_STS_ON);
    709             }
    710             else if ((nfa_ee_cb.em_state == NFA_EE_EM_STATE_RESTORING) && (nfa_ee_cb.ee_flags & NFA_EE_FLAG_NOTIFY_HCI) )
    711             {
    712                 nfa_ee_cb.ee_flags   &= ~NFA_EE_FLAG_NOTIFY_HCI;
    713                 if (nfa_ee_cb.p_enable_cback)
    714                     (*nfa_ee_cb.p_enable_cback)(NFA_EE_DISC_STS_ON);
    715             }
    716         }
    717 
    718 
    719         if (nfa_ee_cb.p_ee_disc_cback)
    720         {
    721             /* notify API callback */
    722             p_cback                         = nfa_ee_cb.p_ee_disc_cback;
    723             nfa_ee_cb.p_ee_disc_cback       = NULL;
    724             evt_data.status                         = NFA_STATUS_OK;
    725             evt_data.ee_discover.num_ee             = NFA_EE_MAX_EE_SUPPORTED;
    726             NFA_EeGetInfo(&evt_data.ee_discover.num_ee, evt_data.ee_discover.ee_info);
    727             nfa_ee_report_event (p_cback, NFA_EE_DISCOVER_EVT, &evt_data);
    728         }
    729     }
    730 }
    731 
    732 /*******************************************************************************
    733 **
    734 ** Function         nfa_ee_restore_ntf_done
    735 **
    736 ** Description      check if any ee_status still has NFA_EE_STATUS_PENDING bit
    737 **
    738 ** Returns          TRUE, if all NFA_EE_STATUS_PENDING bits are removed
    739 **
    740 *******************************************************************************/
    741 BOOLEAN nfa_ee_restore_ntf_done(void)
    742 {
    743     tNFA_EE_ECB     *p_cb;
    744     BOOLEAN         is_done = TRUE;
    745     int             xx;
    746 
    747     p_cb = nfa_ee_cb.ecb;
    748     for (xx = 0; xx < nfa_ee_cb.cur_ee; xx++, p_cb++)
    749     {
    750         if ((p_cb->nfcee_id != NFA_EE_INVALID) && (p_cb->ee_old_status & NFA_EE_STATUS_RESTORING))
    751         {
    752             is_done = FALSE;
    753             break;
    754         }
    755     }
    756     return is_done;
    757 }
    758 
    759 /*******************************************************************************
    760 **
    761 ** Function         nfa_ee_remove_pending
    762 **
    763 ** Description      check if any ee_status still has NFA_EE_STATUS_RESTORING bit
    764 **
    765 ** Returns          TRUE, if all NFA_EE_STATUS_RESTORING bits are removed
    766 **
    767 *******************************************************************************/
    768 static void nfa_ee_remove_pending(void)
    769 {
    770     tNFA_EE_ECB     *p_cb;
    771     tNFA_EE_ECB     *p_cb_n, *p_cb_end;
    772     int             xx, num_removed = 0;
    773     int             first_removed = NFA_EE_MAX_EE_SUPPORTED;
    774 
    775     p_cb = nfa_ee_cb.ecb;
    776     for (xx = 0; xx < nfa_ee_cb.cur_ee; xx++, p_cb++)
    777     {
    778         if ((p_cb->nfcee_id != NFA_EE_INVALID) && (p_cb->ee_status & NFA_EE_STATUS_RESTORING))
    779         {
    780             p_cb->nfcee_id  = NFA_EE_INVALID;
    781             num_removed ++;
    782             if (first_removed == NFA_EE_MAX_EE_SUPPORTED)
    783                 first_removed   = xx;
    784         }
    785     }
    786 
    787     NFA_TRACE_DEBUG3("nfa_ee_remove_pending() cur_ee:%d, num_removed:%d first_removed:%d", nfa_ee_cb.cur_ee, num_removed, first_removed);
    788     if (num_removed && (first_removed != (nfa_ee_cb.cur_ee - num_removed)))
    789     {
    790         /* if the removes ECB entried are not at the end, move the entries up */
    791         p_cb_end = &nfa_ee_cb.ecb[nfa_ee_cb.cur_ee - 1];
    792         p_cb = &nfa_ee_cb.ecb[first_removed];
    793         for (p_cb_n = p_cb + 1; p_cb_n <= p_cb_end;)
    794         {
    795             while ((p_cb_n->nfcee_id == NFA_EE_INVALID) && (p_cb_n <= p_cb_end))
    796             {
    797                 p_cb_n++;
    798             }
    799 
    800             if (p_cb_n <= p_cb_end)
    801             {
    802                 memcpy(p_cb, p_cb_n, sizeof(tNFA_EE_ECB));
    803                 p_cb_n->nfcee_id = NFA_EE_INVALID;
    804             }
    805             p_cb++;
    806             p_cb_n++;
    807         }
    808     }
    809     nfa_ee_cb.cur_ee -= (UINT8)num_removed;
    810 }
    811 
    812 
    813 /*******************************************************************************
    814 **
    815 ** Function         nfa_ee_nci_disc_rsp
    816 **
    817 ** Description      Process the callback for NFCEE discovery response
    818 **
    819 ** Returns          void
    820 **
    821 *******************************************************************************/
    822 void nfa_ee_nci_disc_rsp(tNFA_EE_MSG *p_data)
    823 {
    824     tNFC_NFCEE_DISCOVER_REVT    *p_evt = p_data->disc_rsp.p_data;
    825     tNFA_EE_ECB              *p_cb;
    826     UINT8   xx;
    827     UINT8   num_nfcee = p_evt->num_nfcee;
    828     BOOLEAN notify_enable_done = FALSE;
    829 
    830     NFA_TRACE_DEBUG3("nfa_ee_nci_disc_rsp() em_state:%d cur_ee:%d, num_nfcee:%d", nfa_ee_cb.em_state, nfa_ee_cb.cur_ee, num_nfcee);
    831     switch (nfa_ee_cb.em_state)
    832     {
    833     case NFA_EE_EM_STATE_INIT:
    834         nfa_ee_cb.cur_ee            = 0;
    835         nfa_ee_cb.num_ee_expecting  = 0;
    836         if (num_nfcee == 0)
    837         {
    838             nfa_ee_cb.em_state = NFA_EE_EM_STATE_INIT_DONE;
    839             notify_enable_done = TRUE;
    840             if (p_evt->status != NFC_STATUS_OK)
    841             {
    842                 nfa_sys_stop_timer(&nfa_ee_cb.discv_timer);
    843             }
    844         }
    845         break;
    846 
    847     case NFA_EE_EM_STATE_INIT_DONE:
    848         if (num_nfcee)
    849         {
    850             /* if this is initiated by api function,
    851              * check if the number of NFCEE expected is more than what's currently in CB */
    852             if (num_nfcee > NFA_EE_MAX_EE_SUPPORTED)
    853                 num_nfcee = NFA_EE_MAX_EE_SUPPORTED;
    854             if (nfa_ee_cb.cur_ee < num_nfcee)
    855             {
    856                 p_cb = &nfa_ee_cb.ecb[nfa_ee_cb.cur_ee];
    857                 for (xx = nfa_ee_cb.cur_ee; xx < num_nfcee; xx++, p_cb++)
    858                 {
    859                     /* mark the new entries as a new one */
    860                     p_cb->nfcee_id = NFA_EE_INVALID;
    861                 }
    862             }
    863             nfa_ee_cb.cur_ee = num_nfcee;
    864         }
    865         break;
    866 
    867     case NFA_EE_EM_STATE_RESTORING:
    868         if (num_nfcee == 0)
    869         {
    870             nfa_ee_cb.em_state = NFA_EE_EM_STATE_INIT_DONE;
    871             nfa_ee_remove_pending();
    872             nfa_ee_check_restore_complete();
    873             if (p_evt->status != NFC_STATUS_OK)
    874             {
    875                 nfa_sys_stop_timer(&nfa_ee_cb.discv_timer);
    876             }
    877         }
    878         break;
    879     }
    880 
    881     if (p_evt->status == NFC_STATUS_OK)
    882     {
    883         nfa_ee_cb.num_ee_expecting = p_evt->num_nfcee;
    884         if (nfa_ee_cb.num_ee_expecting > NFA_EE_MAX_EE_SUPPORTED)
    885         {
    886             NFA_TRACE_ERROR2 ("NFA-EE num_ee_expecting:%d > max:%d", nfa_ee_cb.num_ee_expecting, NFA_EE_MAX_EE_SUPPORTED);
    887         }
    888     }
    889     nfa_ee_report_disc_done(notify_enable_done);
    890     NFA_TRACE_DEBUG3("nfa_ee_nci_disc_rsp() em_state:%d cur_ee:%d num_ee_expecting:%d", nfa_ee_cb.em_state, nfa_ee_cb.cur_ee, nfa_ee_cb.num_ee_expecting);
    891 }
    892 
    893 /*******************************************************************************
    894 **
    895 ** Function         nfa_ee_nci_disc_ntf
    896 **
    897 ** Description      Process the callback for NFCEE discovery notification
    898 **
    899 ** Returns          void
    900 **
    901 *******************************************************************************/
    902 void nfa_ee_nci_disc_ntf(tNFA_EE_MSG *p_data)
    903 {
    904     tNFC_NFCEE_INFO_REVT    *p_ee = p_data->disc_ntf.p_data;
    905     tNFA_EE_ECB             *p_cb = NULL;
    906     BOOLEAN                 notify_enable_done = FALSE;
    907     BOOLEAN                 notify_new_ee = FALSE;
    908     tNFA_EE_CBACK_DATA      evt_data = {0};
    909     tNFA_EE_INFO            *p_info;
    910     tNFA_EE_EM_STATE        new_em_state = NFA_EE_EM_STATE_MAX;
    911 
    912     NFA_TRACE_DEBUG4("nfa_ee_nci_disc_ntf() em_state:%d ee_flags:0x%x cur_ee:%d num_ee_expecting:%d", nfa_ee_cb.em_state, nfa_ee_cb.ee_flags, nfa_ee_cb.cur_ee, nfa_ee_cb.num_ee_expecting);
    913     if (nfa_ee_cb.num_ee_expecting)
    914     {
    915         nfa_ee_cb.num_ee_expecting--;
    916         if ((nfa_ee_cb.num_ee_expecting == 0) && (nfa_ee_cb.p_ee_disc_cback != NULL))
    917         {
    918             /* Discovery triggered by API function */
    919             NFC_NfceeDiscover(FALSE);
    920         }
    921     }
    922     switch (nfa_ee_cb.em_state)
    923     {
    924     case NFA_EE_EM_STATE_INIT:
    925         if (nfa_ee_cb.cur_ee < NFA_EE_MAX_EE_SUPPORTED)
    926         {
    927             /* the cb can collect up to NFA_EE_MAX_EE_SUPPORTED ee_info */
    928             p_cb = &nfa_ee_cb.ecb[nfa_ee_cb.cur_ee++];
    929         }
    930 
    931         if (nfa_ee_cb.num_ee_expecting == 0)
    932         {
    933             /* notify init_done callback */
    934             nfa_ee_cb.em_state = NFA_EE_EM_STATE_INIT_DONE;
    935             notify_enable_done = TRUE;
    936         }
    937         break;
    938 
    939     case NFA_EE_EM_STATE_INIT_DONE:
    940         p_cb = nfa_ee_find_ecb (p_ee->nfcee_id);
    941         if (p_cb == NULL)
    942         {
    943             /* the NFCEE ID is not in the last NFCEE discovery
    944              * maybe it's a new one */
    945             p_cb = nfa_ee_find_ecb (NFA_EE_INVALID);
    946             if (p_cb)
    947             {
    948                 nfa_ee_cb.cur_ee++;
    949                 notify_new_ee = TRUE;
    950             }
    951         }
    952         else if (p_cb->ecb_flags & NFA_EE_ECB_FLAGS_ORDER)
    953         {
    954             nfa_ee_cb.cur_ee++;
    955             notify_new_ee = TRUE;
    956         }
    957         else
    958         {
    959             NFA_TRACE_DEBUG3 ("cur_ee:%d ecb_flags=0x%02x  ee_status=0x%x", nfa_ee_cb.cur_ee, p_cb->ecb_flags, p_cb->ee_status);
    960         }
    961         break;
    962 
    963     case NFA_EE_EM_STATE_RESTORING:
    964         p_cb = nfa_ee_find_ecb (p_ee->nfcee_id);
    965         if (p_cb == NULL)
    966         {
    967             /* the NFCEE ID is not in the last NFCEE discovery
    968              * maybe it's a new one */
    969             p_cb = nfa_ee_find_ecb (NFA_EE_INVALID);
    970             if (p_cb)
    971             {
    972                 nfa_ee_cb.cur_ee++;
    973                 notify_new_ee = TRUE;
    974             }
    975         }
    976         if (nfa_ee_cb.num_ee_expecting == 0)
    977         {
    978             /* notify init_done callback */
    979             notify_enable_done = TRUE;
    980             if (nfa_ee_restore_ntf_done())
    981             {
    982                 new_em_state       = NFA_EE_EM_STATE_INIT_DONE;
    983             }
    984         }
    985         break;
    986     }
    987     NFA_TRACE_DEBUG1 ("nfa_ee_nci_disc_ntf cur_ee:%d", nfa_ee_cb.cur_ee);
    988 
    989     if (p_cb)
    990     {
    991         p_cb->nfcee_id      = p_ee->nfcee_id;
    992         p_cb->ee_status     = p_ee->ee_status;
    993         p_cb->num_interface = p_ee->num_interface;
    994         memcpy(p_cb->ee_interface, p_ee->ee_interface, p_ee->num_interface);
    995         p_cb->num_tlvs      = p_ee->num_tlvs;
    996         memcpy(p_cb->ee_tlv, p_ee->ee_tlv, p_ee->num_tlvs * sizeof(tNFA_EE_TLV));
    997 
    998         if (nfa_ee_cb.em_state == NFA_EE_EM_STATE_RESTORING)
    999         {
   1000             /* NCI spec says: An NFCEE_DISCOVER_NTF that contains a Protocol type of "HCI Access"
   1001              * SHALL NOT contain any other additional Protocol
   1002              * i.e. check only first supported NFCEE interface is HCI access */
   1003             /* NFA_HCI module handles restoring configurations for HCI access */
   1004             if (p_cb->ee_interface[0] != NFC_NFCEE_INTERFACE_HCI_ACCESS)
   1005             {
   1006                 if ((nfa_ee_cb.ee_flags & NFA_EE_FLAG_WAIT_HCI) == 0)
   1007                 {
   1008                     nfa_ee_restore_one_ecb (p_cb);
   1009                 }
   1010                 /* else wait for NFA-HCI module to restore the HCI network information before enabling the NFCEE */
   1011             }
   1012         }
   1013 
   1014         if ((nfa_ee_cb.p_ee_disc_cback == NULL) && (notify_new_ee == TRUE))
   1015         {
   1016             if (nfa_dm_is_active() && (p_cb->ee_status != NFA_EE_STATUS_REMOVED))
   1017             {
   1018                 /* report this NFA_EE_NEW_EE_EVT only after NFA_DM_ENABLE_EVT is reported */
   1019                 p_info                  = &evt_data.new_ee;
   1020                 p_info->ee_handle       = NFA_HANDLE_GROUP_EE | (tNFA_HANDLE)p_cb->nfcee_id;
   1021                 p_info->ee_status       = p_cb->ee_status;
   1022                 p_info->num_interface   = p_cb->num_interface;
   1023                 p_info->num_tlvs        = p_cb->num_tlvs;
   1024                 memcpy(p_info->ee_interface, p_cb->ee_interface, p_cb->num_interface);
   1025                 memcpy(p_info->ee_tlv, p_cb->ee_tlv, p_cb->num_tlvs * sizeof(tNFA_EE_TLV));
   1026                 nfa_ee_report_event (NULL, NFA_EE_NEW_EE_EVT, &evt_data);
   1027             }
   1028         }
   1029         else
   1030             nfa_ee_report_disc_done(notify_enable_done);
   1031 
   1032         if (p_cb->ecb_flags & NFA_EE_ECB_FLAGS_ORDER)
   1033         {
   1034             NFA_TRACE_DEBUG0 ("NFA_EE_ECB_FLAGS_ORDER");
   1035             p_cb->ecb_flags &= ~NFA_EE_ECB_FLAGS_ORDER;
   1036             nfa_ee_report_discover_req_evt();
   1037         }
   1038 
   1039     }
   1040 
   1041     if (new_em_state != NFA_EE_EM_STATE_MAX)
   1042     {
   1043         nfa_ee_cb.em_state = new_em_state;
   1044         nfa_ee_check_restore_complete();
   1045     }
   1046 
   1047     if ((nfa_ee_cb.cur_ee == nfa_ee_max_ee_cfg) && (nfa_ee_cb.em_state == NFA_EE_EM_STATE_INIT_DONE) )
   1048     {
   1049         if (nfa_ee_cb.discv_timer.in_use)
   1050         {
   1051             nfa_sys_stop_timer (&nfa_ee_cb.discv_timer);
   1052             p_data->hdr.event = NFA_EE_DISCV_TIMEOUT_EVT;
   1053             nfa_ee_evt_hdlr((BT_HDR *)p_data);
   1054         }
   1055     }
   1056 }
   1057 
   1058 /*******************************************************************************
   1059 **
   1060 ** Function         nfa_ee_check_restore_complete
   1061 **
   1062 ** Description      Check if restore the NFA-EE related configuration to the
   1063 **                  state prior to low power mode is complete.
   1064 **                  If complete, notify sys.
   1065 **
   1066 ** Returns          void
   1067 **
   1068 *******************************************************************************/
   1069 void nfa_ee_check_restore_complete(void)
   1070 {
   1071     UINT32  xx;
   1072     tNFA_EE_ECB     *p_cb;
   1073     BOOLEAN         proc_complete = TRUE;
   1074 
   1075     p_cb = nfa_ee_cb.ecb;
   1076     for (xx = 0; xx < nfa_ee_cb.cur_ee; xx++, p_cb++)
   1077     {
   1078         if (p_cb->ecb_flags & NFA_EE_ECB_FLAGS_RESTORE)
   1079         {
   1080             /* NFA_HCI module handles restoring configurations for HCI access.
   1081              * ignore the restoring status for HCI Access */
   1082             if (p_cb->ee_interface[0] != NFC_NFCEE_INTERFACE_HCI_ACCESS)
   1083             {
   1084                 proc_complete = FALSE;
   1085                 break;
   1086             }
   1087         }
   1088     }
   1089 
   1090     NFA_TRACE_DEBUG2 ("nfa_ee_check_restore_complete nfa_ee_cb.ee_cfg_sts:0x%02x proc_complete:%d", nfa_ee_cb.ee_cfg_sts, proc_complete);
   1091     if (proc_complete)
   1092     {
   1093         /* update routing table when NFA_EE_ROUT_TIMEOUT_EVT is received */
   1094         if (nfa_ee_cb.ee_cfg_sts & NFA_EE_STS_PREV_ROUTING)
   1095             nfa_ee_api_update_now(NULL);
   1096 
   1097         nfa_ee_cb.em_state = NFA_EE_EM_STATE_INIT_DONE;
   1098         nfa_sys_cback_notify_nfcc_power_mode_proc_complete (NFA_ID_EE);
   1099     }
   1100 }
   1101 
   1102 /*******************************************************************************
   1103 **
   1104 ** Function         nfa_ee_build_discover_req_evt
   1105 **
   1106 ** Description      Build NFA_EE_DISCOVER_REQ_EVT for all active NFCEE
   1107 **
   1108 ** Returns          void
   1109 **
   1110 *******************************************************************************/
   1111 static void nfa_ee_build_discover_req_evt (tNFA_EE_DISCOVER_REQ *p_evt_data)
   1112 {
   1113     tNFA_EE_ECB           *p_cb;
   1114     tNFA_EE_DISCOVER_INFO *p_info;
   1115     UINT8                 xx;
   1116 
   1117     if (!p_evt_data)
   1118         return;
   1119 
   1120     p_evt_data->num_ee = 0;
   1121     p_cb               = nfa_ee_cb.ecb;
   1122     p_info             = p_evt_data->ee_disc_info;
   1123 
   1124     for (xx = 0; xx < nfa_ee_cb.cur_ee; xx++, p_cb++)
   1125     {
   1126         if (  (p_cb->ee_status & NFA_EE_STATUS_INT_MASK)
   1127             ||(p_cb->ee_status != NFA_EE_STATUS_ACTIVE)
   1128             ||((p_cb->ecb_flags & NFA_EE_ECB_FLAGS_DISC_REQ) == 0)  )
   1129         {
   1130             continue;
   1131         }
   1132         p_info->ee_handle       = (tNFA_HANDLE)p_cb->nfcee_id | NFA_HANDLE_GROUP_EE;
   1133         p_info->la_protocol     = p_cb->la_protocol;
   1134         p_info->lb_protocol     = p_cb->lb_protocol;
   1135         p_info->lf_protocol     = p_cb->lf_protocol;
   1136         p_info->lbp_protocol    = p_cb->lbp_protocol;
   1137         p_evt_data->num_ee++;
   1138         p_info++;
   1139 
   1140         NFA_TRACE_DEBUG6 ("[%d] ee_handle:0x%x, listen protocol A:%d, B:%d, F:%d, BP:%d",
   1141                           p_evt_data->num_ee, p_cb->nfcee_id,
   1142                           p_cb->la_protocol, p_cb->lb_protocol, p_cb->lf_protocol, p_cb->lbp_protocol);
   1143     }
   1144 
   1145     p_evt_data->status     = NFA_STATUS_OK;
   1146 }
   1147 
   1148 /*******************************************************************************
   1149 **
   1150 ** Function         nfa_ee_report_discover_req_evt
   1151 **
   1152 ** Description      Report NFA_EE_DISCOVER_REQ_EVT for all active NFCEE
   1153 **
   1154 ** Returns          void
   1155 **
   1156 *******************************************************************************/
   1157 static void nfa_ee_report_discover_req_evt(void)
   1158 {
   1159     tNFA_EE_DISCOVER_REQ    evt_data;
   1160 
   1161     if (nfa_ee_cb.p_enable_cback)
   1162         (*nfa_ee_cb.p_enable_cback) (NFA_EE_DISC_STS_REQ);
   1163 
   1164 
   1165     /* if this is restoring NFCC */
   1166     if (!nfa_dm_is_active ())
   1167     {
   1168         NFA_TRACE_DEBUG0 ("nfa_ee_report_discover_req_evt DM is not active");
   1169         return;
   1170     }
   1171 
   1172     nfa_ee_build_discover_req_evt (&evt_data);
   1173     nfa_ee_report_event(NULL, NFA_EE_DISCOVER_REQ_EVT, (tNFA_EE_CBACK_DATA *)&evt_data);
   1174 }
   1175 
   1176 /*******************************************************************************
   1177 **
   1178 ** Function         nfa_ee_nci_mode_set_rsp
   1179 **
   1180 ** Description      Process the result for NFCEE ModeSet response
   1181 **
   1182 ** Returns          void
   1183 **
   1184 *******************************************************************************/
   1185 void nfa_ee_nci_mode_set_rsp(tNFA_EE_MSG *p_data)
   1186 {
   1187     tNFA_EE_ECB *p_cb;
   1188     tNFA_EE_MODE_SET    mode_set;
   1189     tNFC_NFCEE_MODE_SET_REVT    *p_rsp = p_data->mode_set_rsp.p_data;
   1190 
   1191     NFA_TRACE_DEBUG2 ("nfa_ee_nci_mode_set_rsp() handle:0x%02x mode:%d", p_rsp->nfcee_id, p_rsp->mode);
   1192     p_cb = nfa_ee_find_ecb (p_rsp->nfcee_id);
   1193     if (p_cb == NULL)
   1194     {
   1195         NFA_TRACE_ERROR1 ("nfa_ee_nci_mode_set_rsp() Can not find cb for handle:0x%02x", p_rsp->nfcee_id);
   1196         return;
   1197     }
   1198 
   1199     /* update routing table and vs on mode change */
   1200     nfa_ee_start_timer();
   1201 
   1202     if (p_rsp->status == NFA_STATUS_OK)
   1203     {
   1204 
   1205         if (p_rsp->mode == NFA_EE_MD_ACTIVATE)
   1206         {
   1207             p_cb->ee_status = NFC_NFCEE_STATUS_ACTIVE;
   1208         }
   1209         else
   1210         {
   1211             if (p_cb->tech_switch_on | p_cb->tech_switch_off | p_cb->tech_battery_off |
   1212                 p_cb->proto_switch_on| p_cb->proto_switch_off| p_cb->proto_battery_off |
   1213                 p_cb->aid_entries)
   1214             {
   1215                 /* this NFCEE still has configuration when deactivated. clear the configuration */
   1216                 nfa_ee_cb.ee_cfged  &= ~nfa_ee_ecb_to_mask(p_cb);
   1217                 nfa_ee_cb.ee_cfg_sts|= NFA_EE_STS_CHANGED_ROUTING;
   1218                 NFA_TRACE_DEBUG0("deactivating/still configured. Force update");
   1219             }
   1220             p_cb->tech_switch_on    = p_cb->tech_switch_off = p_cb->tech_battery_off    = 0;
   1221             p_cb->proto_switch_on   = p_cb->proto_switch_off= p_cb->proto_battery_off   = 0;
   1222             p_cb->aid_entries       = 0;
   1223             p_cb->ee_status = NFC_NFCEE_STATUS_INACTIVE;
   1224         }
   1225     }
   1226     NFA_TRACE_DEBUG4 ("status:%d ecb_flags  :0x%02x ee_cfged:0x%02x ee_status:%d",
   1227         p_rsp->status, p_cb->ecb_flags  , nfa_ee_cb.ee_cfged, p_cb->ee_status);
   1228     if (p_cb->ecb_flags   & NFA_EE_ECB_FLAGS_RESTORE)
   1229     {
   1230         if (p_cb->conn_st == NFA_EE_CONN_ST_CONN)
   1231         {
   1232             /* NFA_HCI module handles restoring configurations for HCI access */
   1233             if (p_cb->ee_interface[0] != NFC_NFCEE_INTERFACE_HCI_ACCESS)
   1234             {
   1235                 NFC_ConnCreate(NCI_DEST_TYPE_NFCEE, p_cb->nfcee_id,  p_cb->use_interface, nfa_ee_conn_cback);
   1236             }
   1237         }
   1238         else
   1239         {
   1240             p_cb->ecb_flags   &= ~NFA_EE_ECB_FLAGS_RESTORE;
   1241             nfa_ee_check_restore_complete();
   1242         }
   1243     }
   1244     else
   1245     {
   1246         mode_set.status     = p_rsp->status;
   1247         mode_set.ee_handle  = (tNFA_HANDLE)p_rsp->nfcee_id | NFA_HANDLE_GROUP_EE;
   1248         mode_set.ee_status  = p_cb->ee_status;
   1249 
   1250         nfa_ee_report_event(p_cb->p_ee_cback, NFA_EE_MODE_SET_EVT, (tNFA_EE_CBACK_DATA *)&mode_set);
   1251         if (p_cb->ee_status == NFC_NFCEE_STATUS_INACTIVE)
   1252         {
   1253             /* Report NFA_EE_DISCOVER_REQ_EVT for all active NFCEE */
   1254             nfa_ee_report_discover_req_evt();
   1255         }
   1256     }
   1257 }
   1258 
   1259 /*******************************************************************************
   1260 **
   1261 ** Function         nfa_ee_nci_conn
   1262 **
   1263 ** Description      process the connection callback events
   1264 **
   1265 ** Returns          void
   1266 **
   1267 *******************************************************************************/
   1268 void nfa_ee_nci_conn(tNFA_EE_MSG *p_data)
   1269 {
   1270     tNFA_EE_ECB      *p_cb;
   1271     tNFA_EE_NCI_CONN    *p_cbk   = &p_data->conn;
   1272     tNFC_CONN           *p_conn  = p_data->conn.p_data;
   1273     BT_HDR              *p_pkt   = NULL;
   1274     tNFA_EE_CBACK_DATA  evt_data = {0};
   1275     tNFA_EE_EVT         event    = NFA_EE_INVALID;
   1276     tNFA_EE_CBACK       *p_cback = NULL;
   1277 
   1278     if (p_cbk->event == NFC_CONN_CREATE_CEVT)
   1279     {
   1280         p_cb = nfa_ee_find_ecb (p_cbk->p_data->conn_create.id);
   1281     }
   1282     else
   1283     {
   1284         p_cb = nfa_ee_find_ecb_by_conn_id (p_cbk->conn_id);
   1285         if (p_cbk->event == NFC_DATA_CEVT)
   1286             p_pkt = p_conn->data.p_data;
   1287     }
   1288 
   1289     if (p_cb)
   1290     {
   1291         p_cback         = p_cb->p_ee_cback;
   1292         evt_data.handle = (tNFA_HANDLE)p_cb->nfcee_id | NFA_HANDLE_GROUP_EE;
   1293         switch (p_cbk->event)
   1294         {
   1295         case NFC_CONN_CREATE_CEVT:
   1296             if (p_conn->conn_create.status == NFC_STATUS_OK)
   1297             {
   1298                 p_cb->conn_id = p_cbk->conn_id;
   1299                 p_cb->conn_st = NFA_EE_CONN_ST_CONN;
   1300             }
   1301             else
   1302             {
   1303                 p_cb->conn_st = NFA_EE_CONN_ST_NONE;
   1304             }
   1305             if (p_cb->ecb_flags & NFA_EE_ECB_FLAGS_RESTORE)
   1306             {
   1307                 p_cb->ecb_flags &= ~NFA_EE_ECB_FLAGS_RESTORE;
   1308                 nfa_ee_check_restore_complete();
   1309             }
   1310             else
   1311             {
   1312                 evt_data.connect.status       = p_conn->conn_create.status;
   1313                 evt_data.connect.ee_interface = p_cb->use_interface;
   1314                 event = NFA_EE_CONNECT_EVT;
   1315             }
   1316             break;
   1317 
   1318         case NFC_CONN_CLOSE_CEVT:
   1319             if (p_cb->conn_st != NFA_EE_CONN_ST_DISC)
   1320                 event = NFA_EE_DISCONNECT_EVT;
   1321             p_cb->conn_st    = NFA_EE_CONN_ST_NONE;
   1322             p_cb->p_ee_cback = NULL;
   1323             p_cb->conn_id    = 0;
   1324             if (nfa_ee_cb.em_state == NFA_EE_EM_STATE_DISABLING)
   1325             {
   1326                 if (nfa_ee_cb.ee_flags & NFA_EE_FLAG_WAIT_DISCONN)
   1327                 {
   1328                     if (nfa_ee_cb.num_ee_expecting)
   1329                     {
   1330                         nfa_ee_cb.num_ee_expecting--;
   1331                     }
   1332                 }
   1333                 if (nfa_ee_cb.num_ee_expecting == 0)
   1334                 {
   1335                     nfa_ee_cb.ee_flags &= ~NFA_EE_FLAG_WAIT_DISCONN;
   1336                     nfa_ee_check_disable();
   1337                 }
   1338             }
   1339             break;
   1340 
   1341         case NFC_DATA_CEVT:
   1342             if (p_cb->conn_st == NFA_EE_CONN_ST_CONN)
   1343             {
   1344                 /* report data event only in connected state */
   1345                 if (p_cb->p_ee_cback && p_pkt)
   1346                 {
   1347                     evt_data.data.len   = p_pkt->len;
   1348                     evt_data.data.p_buf = (UINT8 *)(p_pkt+1) + p_pkt->offset;
   1349                     event               = NFA_EE_DATA_EVT;
   1350                     p_pkt               = NULL; /* so this function does not free this GKI buffer */
   1351                 }
   1352             }
   1353             break;
   1354         }
   1355 
   1356         if ((event != NFA_EE_INVALID) && (p_cback))
   1357             (*p_cback)(event, &evt_data);
   1358     }
   1359     if (p_pkt)
   1360         GKI_freebuf (p_pkt);
   1361 }
   1362 
   1363 
   1364 /*******************************************************************************
   1365 **
   1366 ** Function         nfa_ee_nci_action_ntf
   1367 **
   1368 ** Description      process the NFCEE action callback event
   1369 **
   1370 ** Returns          void
   1371 **
   1372 *******************************************************************************/
   1373 void nfa_ee_nci_action_ntf(tNFA_EE_MSG *p_data)
   1374 {
   1375     tNFC_EE_ACTION_REVT *p_cbk = p_data->act.p_data;
   1376     tNFA_EE_ACTION      evt_data;
   1377 
   1378     evt_data.ee_handle  = (tNFA_HANDLE)p_cbk->nfcee_id | NFA_HANDLE_GROUP_EE;
   1379     evt_data.trigger    = p_cbk->act_data.trigger;
   1380     memcpy (&(evt_data.param), &(p_cbk->act_data.param), sizeof (tNFA_EE_ACTION_PARAM));
   1381     nfa_ee_report_event(NULL, NFA_EE_ACTION_EVT, (tNFA_EE_CBACK_DATA *)&evt_data);
   1382 }
   1383 
   1384 /*******************************************************************************
   1385 **
   1386 ** Function         nfa_ee_nci_disc_req_ntf
   1387 **
   1388 ** Description      process the NFCEE discover request callback event
   1389 **
   1390 ** Returns          void
   1391 **
   1392 *******************************************************************************/
   1393 void nfa_ee_nci_disc_req_ntf(tNFA_EE_MSG *p_data)
   1394 {
   1395     tNFC_EE_DISCOVER_REQ_REVT   *p_cbk = p_data->disc_req.p_data;
   1396     tNFA_HANDLE         ee_handle;
   1397     tNFA_EE_ECB         *p_cb = NULL;
   1398     UINT8 xx;
   1399 
   1400     NFA_TRACE_DEBUG2 ("nfa_ee_nci_disc_req_ntf () num_info: %d cur_ee:%d", p_cbk->num_info, nfa_ee_cb.cur_ee );
   1401 
   1402     for (xx = 0; xx < p_cbk->num_info; xx++)
   1403     {
   1404         ee_handle = NFA_HANDLE_GROUP_EE|p_cbk->info[xx].nfcee_id;
   1405 
   1406         p_cb = nfa_ee_find_ecb (p_cbk->info[xx].nfcee_id);
   1407         if (!p_cb)
   1408         {
   1409             NFA_TRACE_DEBUG1 ("Cannot find cb for NFCEE: 0x%x", p_cbk->info[xx].nfcee_id);
   1410             p_cb = nfa_ee_find_ecb (NFA_EE_INVALID);
   1411             if (p_cb)
   1412             {
   1413                 p_cb->nfcee_id   = p_cbk->info[xx].nfcee_id;
   1414                 p_cb->ecb_flags |= NFA_EE_ECB_FLAGS_ORDER;
   1415             }
   1416             else
   1417             {
   1418                 NFA_TRACE_ERROR1 ("Cannot allocate cb for NFCEE: 0x%x", p_cbk->info[xx].nfcee_id);
   1419                 continue;
   1420             }
   1421         }
   1422 
   1423         p_cb->ecb_flags |= NFA_EE_ECB_FLAGS_DISC_REQ;
   1424         if (p_cbk->info[xx].op == NFC_EE_DISC_OP_ADD)
   1425         {
   1426             if (p_cbk->info[xx].tech_n_mode == NFC_DISCOVERY_TYPE_LISTEN_A)
   1427             {
   1428                 p_cb->la_protocol = p_cbk->info[xx].protocol;
   1429             }
   1430             else if (p_cbk->info[xx].tech_n_mode == NFC_DISCOVERY_TYPE_LISTEN_B)
   1431             {
   1432                 p_cb->lb_protocol = p_cbk->info[xx].protocol;
   1433             }
   1434             else if (p_cbk->info[xx].tech_n_mode == NFC_DISCOVERY_TYPE_LISTEN_F)
   1435             {
   1436                 p_cb->lf_protocol = p_cbk->info[xx].protocol;
   1437             }
   1438             else if (p_cbk->info[xx].tech_n_mode == NFC_DISCOVERY_TYPE_LISTEN_B_PRIME)
   1439             {
   1440                 p_cb->lbp_protocol = p_cbk->info[xx].protocol;
   1441             }
   1442             NFA_TRACE_DEBUG6 ("nfcee_id=0x%x ee_status=0x%x ecb_flags=0x%x la_protocol=0x%x la_protocol=0x%x la_protocol=0x%x",
   1443                 p_cb->nfcee_id, p_cb->ee_status, p_cb->ecb_flags,
   1444                 p_cb->la_protocol, p_cb->lb_protocol, p_cb->lf_protocol);
   1445         }
   1446         else
   1447         {
   1448             if (p_cbk->info[xx].tech_n_mode == NFC_DISCOVERY_TYPE_LISTEN_A)
   1449             {
   1450                 p_cb->la_protocol = 0;
   1451             }
   1452             else if (p_cbk->info[xx].tech_n_mode == NFC_DISCOVERY_TYPE_LISTEN_B)
   1453             {
   1454                 p_cb->lb_protocol = 0;
   1455             }
   1456             else if (p_cbk->info[xx].tech_n_mode == NFC_DISCOVERY_TYPE_LISTEN_F)
   1457             {
   1458                 p_cb->lf_protocol = 0;
   1459             }
   1460             else if (p_cbk->info[xx].tech_n_mode == NFC_DISCOVERY_TYPE_LISTEN_B_PRIME)
   1461             {
   1462                 p_cb->lbp_protocol = 0;
   1463         }
   1464         }
   1465     }
   1466 
   1467 
   1468     /* Report NFA_EE_DISCOVER_REQ_EVT for all active NFCEE */
   1469     if ((p_cb->ecb_flags & NFA_EE_ECB_FLAGS_ORDER) == 0)
   1470         nfa_ee_report_discover_req_evt();
   1471 
   1472 }
   1473 
   1474 /*******************************************************************************
   1475 **
   1476 ** Function         nfa_ee_is_active
   1477 **
   1478 ** Description      Check if the given NFCEE is active
   1479 **
   1480 ** Returns          TRUE if the given NFCEE is active
   1481 **
   1482 *******************************************************************************/
   1483 BOOLEAN nfa_ee_is_active (tNFA_HANDLE nfcee_id)
   1484 {
   1485     BOOLEAN is_active = FALSE;
   1486     int     xx;
   1487     tNFA_EE_ECB  *p_cb = nfa_ee_cb.ecb;
   1488 
   1489     if ((NFA_HANDLE_GROUP_MASK & nfcee_id) == NFA_HANDLE_GROUP_EE)
   1490         nfcee_id    &= NFA_HANDLE_MASK;
   1491 
   1492     /* compose output */
   1493     for (xx = 0; xx < nfa_ee_cb.cur_ee; xx++, p_cb++)
   1494     {
   1495         if ((tNFA_HANDLE)p_cb->nfcee_id == nfcee_id)
   1496         {
   1497             if (p_cb->ee_status == NFA_EE_STATUS_ACTIVE)
   1498             {
   1499                 is_active = TRUE;
   1500             }
   1501             break;
   1502         }
   1503     }
   1504     return is_active;
   1505 }
   1506 
   1507 /*******************************************************************************
   1508 **
   1509 ** Function         nfa_ee_get_tech_route
   1510 **
   1511 ** Description      Given a power state, find the technology routing destination.
   1512 **                  The result is filled in the given p_handles
   1513 **                  in the order of A, B, F, Bprime
   1514 **
   1515 ** Returns          None
   1516 **
   1517 *******************************************************************************/
   1518 void nfa_ee_get_tech_route (UINT8 power_state, UINT8 *p_handles)
   1519 {
   1520     int     xx, yy;
   1521     tNFA_EE_ECB *p_cb;
   1522     UINT8   tech_mask_list[NFA_EE_MAX_TECH_ROUTE] =
   1523     {
   1524         NFA_TECHNOLOGY_MASK_A,
   1525         NFA_TECHNOLOGY_MASK_B,
   1526         NFA_TECHNOLOGY_MASK_F,
   1527         NFA_TECHNOLOGY_MASK_B_PRIME
   1528     };
   1529 
   1530     NFA_TRACE_DEBUG1("nfa_ee_get_tech_route(): %d", power_state);
   1531 
   1532     for (xx = 0; xx < NFA_EE_MAX_TECH_ROUTE; xx++)
   1533     {
   1534         p_handles[xx] = NFC_DH_ID;
   1535         p_cb = &nfa_ee_cb.ecb[nfa_ee_cb.cur_ee - 1];
   1536         for (yy = 0; yy < nfa_ee_cb.cur_ee; yy++, p_cb--)
   1537         {
   1538             if (p_cb->ee_status == NFC_NFCEE_STATUS_ACTIVE)
   1539             {
   1540                 switch (power_state)
   1541                 {
   1542                 case NFA_EE_PWR_STATE_ON:
   1543                     if (p_cb->tech_switch_on & tech_mask_list[xx])
   1544                         p_handles[xx] = p_cb->nfcee_id;
   1545                     break;
   1546                 case NFA_EE_PWR_STATE_SWITCH_OFF:
   1547                     if (p_cb->tech_switch_off & tech_mask_list[xx])
   1548                         p_handles[xx] = p_cb->nfcee_id;
   1549                     break;
   1550                 case NFA_EE_PWR_STATE_BATT_OFF:
   1551                     if (p_cb->tech_battery_off & tech_mask_list[xx])
   1552                         p_handles[xx] = p_cb->nfcee_id;
   1553                     break;
   1554                 }
   1555             }
   1556         }
   1557     }
   1558     NFA_TRACE_DEBUG4("0x%x, 0x%x, 0x%x, 0x%x", p_handles[0], p_handles[1], p_handles[2], p_handles[3]);
   1559 }
   1560 
   1561 /*******************************************************************************
   1562 **
   1563 ** Function         nfa_ee_route_add_one_ecb
   1564 **
   1565 ** Description      Add the routing entries for one NFCEE/DH
   1566 **
   1567 ** Returns          NFA_STATUS_OK, if ok to continue
   1568 **
   1569 *******************************************************************************/
   1570 tNFA_STATUS nfa_ee_route_add_one_ecb(tNFA_EE_ECB *p_cb, int max_len, BOOLEAN more, UINT8 *ps, int *p_cur_offset)
   1571 {
   1572     UINT8   *p, tlv_size, *pa;
   1573     UINT8   num_tlv, len;
   1574     int     xx;
   1575     int     start_offset;
   1576     UINT8   power_cfg = 0;
   1577     UINT8   *pp = ps + *p_cur_offset;
   1578     UINT8   entry_size;
   1579     UINT8   max_tlv = (UINT8)((max_len > NFA_EE_ROUT_MAX_TLV_SIZE)?NFA_EE_ROUT_MAX_TLV_SIZE:max_len);
   1580     tNFA_STATUS status = NFA_STATUS_OK;
   1581 
   1582     /* use the first byte of the buffer (ps) to keep the num_tlv */
   1583     num_tlv  = *ps;
   1584     NFA_TRACE_DEBUG5 ("nfa_ee_route_add_one_ecb max_len:%d, max_tlv:%d, cur_offset:%d, more:%d, num_tlv:%d",
   1585         max_len, max_tlv, *p_cur_offset, more, num_tlv);
   1586     pp       = ps + 1 + *p_cur_offset;
   1587     p        = pp;
   1588     tlv_size = (UINT8)*p_cur_offset;
   1589     /* add the Technology based routing */
   1590     for (xx = 0; xx < NFA_EE_NUM_TECH; xx++)
   1591     {
   1592         power_cfg = 0;
   1593         if (p_cb->tech_switch_on & nfa_ee_tech_mask_list[xx])
   1594             power_cfg |= NCI_ROUTE_PWR_STATE_ON;
   1595         if (p_cb->tech_switch_off & nfa_ee_tech_mask_list[xx])
   1596             power_cfg |= NCI_ROUTE_PWR_STATE_SWITCH_OFF;
   1597         if (p_cb->tech_battery_off & nfa_ee_tech_mask_list[xx])
   1598             power_cfg |= NCI_ROUTE_PWR_STATE_BATT_OFF;
   1599         if (power_cfg)
   1600         {
   1601             *pp++   = NFC_ROUTE_TAG_TECH;
   1602             *pp++   = 3;
   1603             *pp++   = p_cb->nfcee_id;
   1604             *pp++   = power_cfg;
   1605             *pp++   = nfa_ee_tech_list[xx];
   1606             num_tlv++;
   1607             if (power_cfg != NCI_ROUTE_PWR_STATE_ON)
   1608                 nfa_ee_cb.ee_cfged  |= NFA_EE_CFGED_OFF_ROUTING;
   1609         }
   1610     }
   1611 
   1612     /* add the Protocol based routing */
   1613     for (xx = 0; xx < NFA_EE_NUM_PROTO; xx++)
   1614     {
   1615         power_cfg = 0;
   1616         if (p_cb->proto_switch_on & nfa_ee_proto_mask_list[xx])
   1617             power_cfg |= NCI_ROUTE_PWR_STATE_ON;
   1618         if (p_cb->proto_switch_off & nfa_ee_proto_mask_list[xx])
   1619             power_cfg |= NCI_ROUTE_PWR_STATE_SWITCH_OFF;
   1620         if (p_cb->proto_battery_off & nfa_ee_proto_mask_list[xx])
   1621             power_cfg |= NCI_ROUTE_PWR_STATE_BATT_OFF;
   1622         if (power_cfg)
   1623         {
   1624             *pp++   = NFC_ROUTE_TAG_PROTO;
   1625             *pp++   = 3;
   1626             *pp++   = p_cb->nfcee_id;
   1627             *pp++   = power_cfg;
   1628             *pp++   = nfa_ee_proto_list[xx];
   1629             num_tlv++;
   1630             if (power_cfg != NCI_ROUTE_PWR_STATE_ON)
   1631                 nfa_ee_cb.ee_cfged  |= NFA_EE_CFGED_OFF_ROUTING;
   1632         }
   1633     }
   1634 
   1635     /* add the AID routing */
   1636     if (p_cb->aid_entries)
   1637     {
   1638         start_offset = 0;
   1639         for (xx = 0; xx < p_cb->aid_entries; xx++)
   1640         {
   1641             /* add one AID entry */
   1642             if (p_cb->aid_rt_info[xx] & NFA_EE_AE_ROUTE)
   1643             {
   1644                 num_tlv++;
   1645                 pa      = &p_cb->aid_cfg[start_offset];
   1646                 pa ++; /* EMV tag */
   1647                 len     = *pa++; /* aid_len */
   1648                 *pp++   = NFC_ROUTE_TAG_AID;
   1649                 *pp++   = len + 2;
   1650                 *pp++   = p_cb->nfcee_id;
   1651                 *pp++   = p_cb->aid_pwr_cfg[xx];
   1652                 /* copy the AID */
   1653                 memcpy(pp, pa, len);
   1654                 pp     += len;
   1655             }
   1656             start_offset += p_cb->aid_len[xx];
   1657         }
   1658     }
   1659     entry_size = (UINT8)(pp - p);
   1660     tlv_size  += entry_size;
   1661     if (entry_size)
   1662     {
   1663         nfa_ee_cb.ee_cfged |= nfa_ee_ecb_to_mask(p_cb);
   1664     }
   1665     if (p_cb->ecb_flags   & NFA_EE_ECB_FLAGS_ROUTING)
   1666     {
   1667         nfa_ee_cb.ee_cfg_sts   |= NFA_EE_STS_CHANGED_ROUTING;
   1668     }
   1669     NFA_TRACE_DEBUG3 ("ee_cfg_sts:0x%02x entry_size:%d, tlv_size:%d", nfa_ee_cb.ee_cfg_sts, entry_size, tlv_size);
   1670 
   1671     if (tlv_size > max_tlv)
   1672     {
   1673         /* exceeds routing table size - report ERROR */
   1674         status  = NFA_STATUS_BUFFER_FULL;
   1675     }
   1676 
   1677     else if (more == FALSE)
   1678     {
   1679         /* last entry. update routing table now */
   1680         if (nfa_ee_cb.ee_cfg_sts & NFA_EE_STS_CHANGED_ROUTING)
   1681         {
   1682             if (tlv_size)
   1683             {
   1684                 nfa_ee_cb.ee_cfg_sts       |= NFA_EE_STS_PREV_ROUTING;
   1685             }
   1686             else
   1687             {
   1688                 nfa_ee_cb.ee_cfg_sts       &= ~NFA_EE_STS_PREV_ROUTING;
   1689             }
   1690             NFC_SetRouting(more, p_cb->nfcee_id, num_tlv, tlv_size, ps + 1);
   1691         }
   1692         else if (nfa_ee_cb.ee_cfg_sts & NFA_EE_STS_PREV_ROUTING)
   1693         {
   1694             if (tlv_size == 0)
   1695             {
   1696                 nfa_ee_cb.ee_cfg_sts       &= ~NFA_EE_STS_PREV_ROUTING;
   1697                 /* indicated routing is configured to NFCC */
   1698                 nfa_ee_cb.ee_cfg_sts       |= NFA_EE_STS_CHANGED_ROUTING;
   1699                 NFC_SetRouting(more, p_cb->nfcee_id, 0, 0, ps + 1);
   1700             }
   1701         }
   1702     }
   1703     else
   1704     {
   1705         /* update the total num_tlv current offset */
   1706         *ps              = num_tlv;
   1707         *p_cur_offset   += entry_size;
   1708     }
   1709 
   1710     return status;
   1711 }
   1712 
   1713 
   1714 /*******************************************************************************
   1715 **
   1716 ** Function         nfa_ee_need_recfg
   1717 **
   1718 ** Description      Check if any API function to configure the routing table or
   1719 **                  VS is called since last update
   1720 **
   1721 **                  The algorithm for the NFCEE configuration handling is as follows:
   1722 **
   1723 **                  Each NFCEE_ID/DH has its own control block - tNFA_EE_ECB
   1724 **                  Each control block uses ecb_flags to keep track if an API
   1725 **                  that changes routing/VS is invoked.
   1726 **                  This ecb_flags is cleared at the end of nfa_ee_update_rout().
   1727 **
   1728 **                  nfa_ee_cb.ee_cfged is the bitmask of the control blocks with
   1729 **                  routing/VS configuration and NFA_EE_CFGED_UPDATE_NOW.
   1730 **                  nfa_ee_cb.ee_cfged is cleared and re-calculated at the end of
   1731 **                  nfa_ee_update_rout().
   1732 **
   1733 **                  nfa_ee_cb.ee_cfg_sts is used to check is any status is changed
   1734 **                  and the associated command is issued to NFCC.
   1735 **                  nfa_ee_cb.ee_cfg_sts is AND with NFA_EE_STS_PREV at the end of
   1736 **                  nfa_ee_update_rout() to clear the NFA_EE_STS_CHANGED bits
   1737 **                  (except NFA_EE_STS_CHANGED_CANNED_VS is cleared in nfa_ee_vs_cback)
   1738 **
   1739 ** Returns          TRUE if any configuration is changed
   1740 **
   1741 *******************************************************************************/
   1742 static BOOLEAN nfa_ee_need_recfg(void)
   1743 {
   1744     BOOLEAN needed = FALSE;
   1745     UINT32  xx;
   1746     tNFA_EE_ECB  *p_cb;
   1747     UINT8   mask;
   1748 
   1749     NFA_TRACE_DEBUG2("nfa_ee_need_recfg() ee_cfged: 0x%02x ee_cfg_sts: 0x%02x", nfa_ee_cb.ee_cfged, nfa_ee_cb.ee_cfg_sts);
   1750     /* if no routing/vs is configured, do not need to send the info to NFCC */
   1751     if (nfa_ee_cb.ee_cfged || nfa_ee_cb.ee_cfg_sts)
   1752     {
   1753         if (nfa_ee_cb.ee_cfged & NFA_EE_CFGED_UPDATE_NOW)
   1754         {
   1755             needed = TRUE;
   1756         }
   1757         else if (nfa_ee_cb.ee_cfg_sts & NFA_EE_STS_CHANGED)
   1758         {
   1759             needed = TRUE;
   1760         }
   1761         else
   1762         {
   1763             p_cb = &nfa_ee_cb.ecb[NFA_EE_CB_4_DH];
   1764             mask = 1 << NFA_EE_CB_4_DH;
   1765             for (xx = 0; xx <= nfa_ee_cb.cur_ee; xx++)
   1766             {
   1767                 NFA_TRACE_DEBUG3("%d: ecb_flags  : 0x%02x, mask: 0x%02x", xx, p_cb->ecb_flags  , mask);
   1768                 if ((p_cb->ecb_flags  ) && (nfa_ee_cb.ee_cfged & mask))
   1769                 {
   1770                     needed = TRUE;
   1771                     break;
   1772                 }
   1773                 p_cb = &nfa_ee_cb.ecb[xx];
   1774                 mask = 1 << xx;
   1775             }
   1776         }
   1777     }
   1778 
   1779     return needed;
   1780 }
   1781 
   1782 /*******************************************************************************
   1783 **
   1784 ** Function         nfa_ee_rout_timeout
   1785 **
   1786 ** Description      Anytime VS or routing entries are changed,
   1787 **                  a 1 second timer is started. This function is called when
   1788 **                  the timer expires or NFA_EeUpdateNow() is called.
   1789 **
   1790 ** Returns          void
   1791 **
   1792 *******************************************************************************/
   1793 void nfa_ee_rout_timeout(tNFA_EE_MSG *p_data)
   1794 {
   1795     NFA_TRACE_DEBUG0("nfa_ee_rout_timeout()");
   1796     if (nfa_ee_need_recfg())
   1797     {
   1798         /* discovery is not started */
   1799         nfa_ee_update_rout();
   1800     }
   1801 }
   1802 
   1803 /*******************************************************************************
   1804 **
   1805 ** Function         nfa_ee_discv_timeout
   1806 **
   1807 ** Description
   1808 **
   1809 **
   1810 **
   1811 ** Returns          void
   1812 **
   1813 *******************************************************************************/
   1814 void nfa_ee_discv_timeout(tNFA_EE_MSG *p_data)
   1815 {
   1816     NFC_NfceeDiscover(FALSE);
   1817     if (nfa_ee_cb.p_enable_cback)
   1818         (*nfa_ee_cb.p_enable_cback)(NFA_EE_DISC_STS_OFF);
   1819 }
   1820 
   1821 /*******************************************************************************
   1822 **
   1823 ** Function         nfa_ee_lmrt_to_nfcc
   1824 **
   1825 ** Description      This function would set the listen mode routing table
   1826 **                  to NFCC.
   1827 **
   1828 ** Returns          void
   1829 **
   1830 *******************************************************************************/
   1831 void nfa_ee_lmrt_to_nfcc(tNFA_EE_MSG *p_data)
   1832 {
   1833     int xx;
   1834     tNFA_EE_ECB          *p_cb;
   1835     UINT8   *p = NULL;
   1836     BOOLEAN more = TRUE;
   1837     UINT8   last_active = NFA_EE_INVALID;
   1838     int     max_len, len;
   1839     tNFA_STATUS status = NFA_STATUS_FAILED;
   1840     int     cur_offset;
   1841 
   1842     /* update routing table: DH and the activated NFCEEs */
   1843     p = (UINT8 *)GKI_getbuf(NFA_EE_ROUT_BUF_SIZE);
   1844     if (p == NULL)
   1845     {
   1846         NFA_TRACE_ERROR0 ("nfa_ee_lmrt_to_nfcc() no buffer to send routing info.");
   1847         nfa_ee_report_event( NULL, NFA_EE_NO_MEM_ERR_EVT, (tNFA_EE_CBACK_DATA *)&status);
   1848         return;
   1849     }
   1850 
   1851     /* find the last active NFCEE. */
   1852     p_cb = &nfa_ee_cb.ecb[nfa_ee_cb.cur_ee - 1];
   1853     for (xx = 0; xx < nfa_ee_cb.cur_ee; xx++, p_cb--)
   1854     {
   1855         if (p_cb->ee_status == NFC_NFCEE_STATUS_ACTIVE)
   1856         {
   1857             if (last_active == NFA_EE_INVALID)
   1858             {
   1859                 last_active = p_cb->nfcee_id;
   1860                 NFA_TRACE_DEBUG1 ("last_active: 0x%x", last_active);
   1861             }
   1862         }
   1863     }
   1864     if (last_active == NFA_EE_INVALID)
   1865     {
   1866         more = FALSE;
   1867     }
   1868 
   1869     /* add the routing for DH first */
   1870     status  = NFA_STATUS_OK;
   1871     max_len = NFC_GetLmrtSize();
   1872     cur_offset  = 0;
   1873     /* use the first byte of the buffer (p) to keep the num_tlv */
   1874     *p          = 0;
   1875     status = nfa_ee_route_add_one_ecb(&nfa_ee_cb.ecb[NFA_EE_CB_4_DH], max_len, more, p, &cur_offset);
   1876 
   1877     /* add only what is supported by NFCC. report overflow */
   1878     if (status == NFA_STATUS_OK)
   1879     {
   1880         /* add the routing for NFCEEs */
   1881         p_cb = &nfa_ee_cb.ecb[0];
   1882         for (xx = 0; (xx < nfa_ee_cb.cur_ee) && more; xx++, p_cb++)
   1883         {
   1884             len = 0;
   1885             if (p_cb->ee_status == NFC_NFCEE_STATUS_ACTIVE)
   1886             {
   1887                 NFA_TRACE_DEBUG2 ("nfcee_id:0x%x, last_active: 0x%x", p_cb->nfcee_id, last_active);
   1888                 if (last_active == p_cb->nfcee_id)
   1889                     more = FALSE;
   1890                 status = nfa_ee_route_add_one_ecb(p_cb, max_len, more, p, &cur_offset);
   1891                 if (status != NFA_STATUS_OK)
   1892                 {
   1893                     more    = FALSE;
   1894                 }
   1895             }
   1896         }
   1897     }
   1898     if (status != NFA_STATUS_OK)
   1899     {
   1900         nfa_ee_report_event( NULL, NFA_EE_ROUT_ERR_EVT, (tNFA_EE_CBACK_DATA *)&status);
   1901     }
   1902     GKI_freebuf(p);
   1903 }
   1904 
   1905 /*******************************************************************************
   1906 **
   1907 ** Function         nfa_ee_update_rout
   1908 **
   1909 ** Description      This function would set the VS and listen mode routing table
   1910 **                  to NFCC.
   1911 **
   1912 ** Returns          void
   1913 **
   1914 *******************************************************************************/
   1915 void nfa_ee_update_rout(void)
   1916 {
   1917     int xx;
   1918     tNFA_EE_ECB          *p_cb;
   1919     UINT8   mask;
   1920     BT_HDR  msg;
   1921 
   1922     NFA_TRACE_DEBUG1 ("nfa_ee_update_rout ee_cfg_sts:0x%02x", nfa_ee_cb.ee_cfg_sts);
   1923 
   1924     /* use action function to send routing and VS configuration to NFCC */
   1925     msg.event = NFA_EE_CFG_TO_NFCC_EVT;
   1926     nfa_ee_evt_hdlr (&msg);
   1927 
   1928     /* all configuration is updated to NFCC, clear the status mask */
   1929     nfa_ee_cb.ee_cfg_sts   &= NFA_EE_STS_PREV;
   1930     nfa_ee_cb.ee_cfged  = 0;
   1931     p_cb                = &nfa_ee_cb.ecb[0];
   1932     for (xx = 0; xx < NFA_EE_NUM_ECBS; xx++, p_cb++)
   1933     {
   1934         p_cb->ecb_flags     = 0;
   1935         mask                = (1 << xx);
   1936         if (p_cb->tech_switch_on | p_cb->tech_switch_off | p_cb->tech_battery_off |
   1937             p_cb->proto_switch_on| p_cb->proto_switch_off| p_cb->proto_battery_off |
   1938             p_cb->aid_entries)
   1939         {
   1940             /* this entry has routing configuration. mark it configured */
   1941             nfa_ee_cb.ee_cfged  |= mask;
   1942         }
   1943     }
   1944     NFA_TRACE_DEBUG2 ("ee_cfg_sts:0x%02x ee_cfged:0x%02x", nfa_ee_cb.ee_cfg_sts, nfa_ee_cb.ee_cfged);
   1945 }
   1946 
   1947 
   1948