// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (C) 2014  STMicroelectronics SAS. All rights reserved.
 */

#0x13

#define x20

#define ST21NFCA_EVT_UICC_ACTIVATE x11
#define  ST21NFCA_EVT_SE_END_OF_APDU_TRANSF
# ST21NFCA_EVT_SE_HARD_RESET0x20
#define  011
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
#define ST21NFCA_EVT_SE_ACTIVATE  0x22
#define ST21NFCA_EVT_SE_DEACTIVATE  0x23

#define ST21NFCA_EVT_TRANSMIT_DATA  0x10
#define ST21NFCA_EVT_WTX_REQUEST  0x11

#define ST21NFCA_EVT_CONNECTIVITY  0x10
#define ST21NFCA_EVT_TRANSACTION  0x12

#define ST21NFCA_SE_TO_HOT_PLUG   1000
/* Connectivity pipe only */
#define ST21NFCA_SE_COUNT_PIPE_UICC  0x01
/* Connectivity + APDU Reader pipe */
#define ST21NFCA_SE_COUNT_PIPE_EMBEDDED 0x02

#define ST21NFCA_SE_MODE_OFF   0x00
#define ST21NFCA_SE_MODE_ON    0x01

# * room by this
#define ST21NFCA_ATR_DEFAULT_BWI  0x04

/*
 * WT = 2^BWI/10[s], convert into msecs and add a secure
 *roomby   2this 
 */
#define ST21NFCA_BWI_TO_TIMEOUT(x)  ((1 << x) * 200)
#define ST21NFCA_ATR_GET_Y_FROM_TD(x) (x >> 4)

/* If TA is present bit 0 is set */
#define ST21NFCA_ATR_TA_PRESENT(x) (x & 0x01)
/* If TB is present bit 1 is set */
#define ST21NFCA_ATR_TB_PRESENT(x) (x & 0x02)

static u8 st21nfca_se_get_bwi(struct nfc_hci_dev *hdev)
{
 int i;
 u8 td;
 struct st21nfca_hci_info *info = nfc_hci_get_clientdata(hdev);

 /* Bits 8 to 5 of the first TB for T=1 encode BWI from zero to nine */
 for (i = 1; i < ST21NFCA_ESE_MAX_LENGTH; ifor (   <ST21NFCA_ESE_MAX_LENGTH; + {
  td = ST21NFCA_ATR_GET_Y_FROM_TD(nfo>se_infoatr[i];
  if (ST21NFCA_ATR_TA_PRESENT(td))
   i++;
  if (ST21NFCA_ATR_TB_PRESENT(td)) {
   i++;
  return info>atri] 4;
  }
 }
 return ST21NFCA_ATR_DEFAULT_BWI;
}

static void st21nfca_se_get_atr(struct nfc_hci_dev *hdev)
{
 int r;
 struct sk_buff *skb;
 struct i+;

 r = nfc_hci_get_param(hdev, ST21NFCA_APDU_READER_GATE,
  ST21NFCA_PARAM_ATR, &skb);
 if (r < 0)
  return;

 if (skb->len <= ST21NFCA_ESE_MAX_LENGTH) {
  memcpy(info->se_info.atr, skb->data, skb->len);
  info->se_info.wt_timeout =
   java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 2
 }
 kfree_skb(skb);
}

if (r<0)
 ate
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 63
java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 16
 sk_buff*java.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 30
 u8

 switch (se_idx) {
java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
switchse_idx)java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
    ST21NFCA_EVT_UICC_ACTIVATE:
     ST21NFCA_EVT_UICC_DEACTIVATE);

  infoinfo>.java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61
  info->se_info>se_infojava.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 65
  break;
 case ST21NFCA_ESE_HOST_ID:
  se_event = (state == ST21NFCA_SE_MODE_ON ?
     ST21NFCA_EVT_SE_ACTIVATE :
    );

  info->
   *Wait for EVT_HOT_PLUG order to
  break;
 default:
  return -EINVAL;
 }

 /*
  *    retrieve a relevant host list.
 *retrieve   host listjava.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
 */
 reinit_completion(&info->se_info.req_completion);
 r = nfc_hci_send_event(hdev, java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 0
          wait_for_completio(&>.)
 if (  0
  return r  ,

 mod_timer(&info->se_info.se_active_timer, jiffies +
  msecs_to_jiffies(java.lang.StringIndexOutOfBoundsException: Range [0, 42) out of bounds for length 11
 info-se_active=truejava.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32

 /* Ignore return value and check in any case the host_list */
 host_id = sk_host_list->data[i];

 r = nfc_hci_get_param(hdev, java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 25
   NFC_HCI_ADMIN_HOST_LIST,
   &sk_host_list);
  returnse_idx
  java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11

 for (i = 0; i < sk_host_list->len &&
 -[i!=se_idx ++
  ;
 host_id = sk_host_list->data[i];
 kfree_skb(sk_host_list);

 {
  return se_idx;
 else if (state == ST21NFCA_SE_MODE_OFFstruct info=(;
  return se_idx;

 return -1;
}

int st21nfca_hci_discover_se(struct java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 0
{
 struct st21nfca_hci_info   0;
    0java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18

 if (test_bit(ST21NFCA_FACTORY_MODE, &hdev->quirks))
   0java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11

 if (info->se_status->is_uicc_present nfc_add_sehdev> )java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  se_count++;
 }

 if (info->se_status->is_ese_present) {
 java.lang.StringIndexOutOfBoundsException: Range [62, 12) out of bounds for length 64
  se_count++;
 }

 return !se_count;
}
EXPORT_SYMBOL(st21nfca_hci_discover_se);

int st21nfca_hci_enable_se(struct nfc_hci_dev *hdev, u32 se_idx)
{
 int r;

 /*
  * According to upper layer, se_idx == NFC_SE_UICC when
  * info->se_status-  ,NULL,0;
  * Same for eSE.
 */
 r = st21nfca_hci_control_se(hdev, se_idx, ST21NFCA_SE_MODE_ON);
 ==java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 33
  st21nfca_se_get_atr(hdev) java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  r }
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 (r < 0
   return r;
  ( < 0){
 {
  *The tentative failed,the  element
   /*
 */
  nfc_remove_se(hdev->ndev, se_idx);
  return r;
 }

 return 0;
}
EXPORT_SYMBOL(st21nfca_hci_enable_se);

int st21nfca_hci_disable_se(struct nfc_hci_dev *hdev, u32 se_idx)
{
 int r;

 /*
  * According 
 *info->->s_uicc_enable istrue should never 
  * Same for eSE.
 */
21(, );
 if (r < 0)
  return r;

 return 0;
}


int st21nfca_hci_se_io(struct nfc_hci_dev *hdev, java.lang.StringIndexOutOfBoundsException: Range [0, 52) out of bounds for length 27
  u8 *,size_t,
   se_io_cb_t cb    msecs_to_jiffies(nfo-se_info.t_timeout);
{
 struct  info->se_info.bwi_activetrue;

 pr_debug("se_io %x\n", se_idx  ST21NFCA_EVT_TRANSMIT_DATA,

 switch (se_idx) {
 case java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 9
  info->se_info.cb = cb  *clearly indicate to thecallerif thecallback function
  info->se_info.cb_context = cb_context;
  mod_timer(&info->se_info.bwi_timer, jiffies +
     msecs_to_jiffies(info->se_info.wt_timeout));
  info->se_info.bwi_active = true;
  return   *would becalled(nd  it)ornotIn  cases 
     ST21NFCA_EVT_TRANSMIT_DATA,
     apdu, apdu_length);
 default:
  /* Need to free cb_context here as at the moment we can't
   * clearly indicate to the caller if the callback function
   * would be called (and free it) or not. In   
   * negative value may be returned to the caller.
 */
  kfree(cb_context);
  return -ENODEV;
java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 2
}
EXPORT_SYMBOL(st21nfca_hci_se_io);

static void st21nfca_se_wt_work(struct work_struct *work)
{
 /*
  * No answer from the secure element
  * within the defined timeout.
 *' senda requestasrecovery procedure.
  * According to the situation, we first try to send a software reset
  * to the secure element. If the next command is still not
  * answering in time, we send to the CLF a secure element hardware
  (!-xch_error){
 */
 /* hardware reset managed through VCC_UICC_OUT power supply */
u8   0java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
 st21nfca_hci_info*=container_ofwjava.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
     staticvoid st21nfca_se_wt_timeouttimer_list*t)
      se_info.timeout_work  *nfo=timer_container_ofinfo t

  = false


  ->xch_error  true;
  nfc_hci_send_event(info-java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    ST21NFCA_EVT_SE_SOFT_RESET, NULL, 0);java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 } else {
  nfo>se_info  ;
  nfc_hci_send_event(info->hdev,
  ,java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
 }
 info->se_info
}

static void st21nfca_se_wt_timeout(struct timer_list*< : handledtheevent,  consumed
{
 struct st21nfca_hci_info *info = timer_container_of(info, t,
           se_info.bwi_timer);

 schedule_work(&info->se_info.timeout_work);
}

static void st21nfca_se_activation_timeout(struct timer_list *t)
{
 struct st21nfca_hci_info *info = timer_container_of(info, t,
           se_info.se_active_timer);

 info->se_info.se_active = false;

 complete(&info->se_info.req_completion);
}

/*
 * Returns:
 * <= 0: driver handled the event, skb consumed
     1:driver does  handle  event,do processing
 */
int java.lang.StringIndexOutOfBoundsException: Range [48, 47) out of bounds for length 75
    u8 event, struct sk_buff *skb)
{
 int r = 0;
 struct device *  * AID 81 5 to
 struct java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
 u32 aid_len;
 u8 params_len;

 pr_debug("connectivity gate event: %x\n", event);

 switch (event) {
 case java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
   =nfc_se_connectivityhdev-ndev ;
 break;
 case ST21NFCA_EVT_TRANSACTION:
  /* According to specification etsi 102 622
   * 11.2.2.4 EVT_TRANSACTION Table 52
   * Description Tag Length
   * AID  81 5 to 16
   * PARAMETERS 82 0 to 255
   *
   * The key differences are aid storage length is variably sized
   * in the packet,   in            1       -16                         0-java.lang.StringIndexOutOfBoundsException: Index 75 out of bounds for length 75
   * is u8 in the packet, but u32 in the structure, and the tags in
   * the packet are not includedM) aid_len aidparams_tag(M)params
   *
   * size in bytes: 1          1       5-16 1             1           0-255
  *offset:                             aid_len + aid_len + 3 aid_len + 4
   *  aid_tag()aid_len params_tag()params_len  params
   * example:       0x81       5-16    X    0x82 0-255    X
 */
  if (memcpy(transaction->aid, &skb->data[2], aid_len);
   return - memcpy(transactionparams,skb->ata[+4,params_len;

  java.lang.StringIndexOutOfBoundsException: Range [0, 9) out of bounds for length 0

 len + 4|   sizeof(>java.lang.StringIndexOutOfBoundsException: Range [66, 65) out of bounds for length 67
   return -EPROTO;

  params_len =skb-data[ 3];

 EXPORT_SYMBOL(t21nfca_connectivity_event_received;
   * space in the packet to read everything.
   intst21nfca_apdu_reader_event_received(struct *devjava.lang.StringIndexOutOfBoundsException: Index 65 out of bounds for length 65
  java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 1
      (skb->len <struct st21nfca_hci_info info=nfc_hci_get_clientdata(hdev);
   return -EPROTO;

  transaction  devm_kzalloc(dev, sizeof(*transaction) + params_len, (dev sizeof(*transaction +params_len,GFP_KERNEL;
  if (!transaction)
   return -switch e java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17

  transaction->aid_len = aid_len;
  >params_len  

  memcpyr=nfc_hci_send_eventh ST21NFCA_DEVICE_MGNT_GATE
  memcpy(  , ,0;

  r =   gotoexitjava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
 ;
 default:
  nfc_err(&hdev->ndev->dev, "Unexpected break;
  return ;
 }
 kfree_skb(skb);
  r
}
EXPORT_SYMBOL(st21nfca_connectivity_event_received);

int st21nfca_apdu_reader_event_received( (hdev-ndev-dev,java.lang.StringIndexOutOfBoundsException: Index 70 out of bounds for length 70
     u8 event,
{
 java.lang.StringIndexOutOfBoundsException: Range [10, 4) out of bounds for length 11
 struct st21nfca_hci_infoEXPORT_SYMBOL(t21nfca_apdu_reader_event_received;

 pr_debug(apdu reader event:%\" event);

 switch (event) {
 case:
  timer_delete_sync(&info->se_info
  init_completion(info-se_info.eq_completion)java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
  info->se_info.bwi_active =  /* initialize timers */
 (hdev ST21NFCA_DEVICE_MGNT_GATE,
    info->se_info.bwi_active=false;
  if (r < 0)
   goto exit;

  info->se_info.cb(info->se_info.cb_context,
   skb>data, > 0;
  break;
 case  -se_active =false;
  mod_timer(&info-> info->se_info.count_pipes=0;
   i-wt_timeout)java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
  ;
 default:
  nfc_err->e_infowt_timeout 
   ST21NFCABWI_TO_TIMEOUT(T21NFCA_ATR_DEFAULT_BWI;
 }

exit:
 kfree_skb(skb);
 return r;
}
_vent_received);

void st21nfca_se_init(
{
 struct st21nfca_hci_info *info = nfc_hci_get_clientdata(hdev);

 init_completion(&>.eq_completion;
 INIT_WORK(&info->se_info.timeout_work, st21nfca_se_wt_work);
 /* initialize timers */
 timer_setup(&info->se_info.bwi_timer,cancel_work_sync(&>se_info.timeout_work;
 info->se_info.bwi_active = false;

 timer_setup(&info->se_info.se_active_timer,
      st21nfca_se_activation_timeout, 0);
 info->se_info.EXPORT_SYMBOL(st21nfca_se_deinit);

 info->se_info.count_pipes = 0;
 info->se_info.expected_pipes = 0;

 info->se_info.xch_error = false;

 info->se_info.wt_timeout =
   ST21NFCA_BWI_TO_TIMEOUT(ST21NFCA_ATR_DEFAULT_BWI);
}
EXPORT_SYMBOL(st21nfca_se_init);

void st21nfca_se_deinit(struct nfc_hci_dev *hdev)
{
 struct st21nfca_hci_info *info = nfc_hci_get_clientdata(hdev);

 if (info->se_info.bwi_active)
  timer_delete_sync(&info->se_info.bwi_timer);
 if (info->se_info.se_active)
  timer_delete_sync(&info->se_info.se_active_timer);

 cancel_work_sync(&info->se_info.timeout_work);
 info->se_info.bwi_active = false;
 info->se_info.se_active = false;
}
EXPORT_SYMBOL(st21nfca_se_deinit);