// SPDX-License-Identifier: GPL-2.0-or-later
/*

  else

  PIO Transmission

  Copyright (c) 2005 Michael Buesch <m@bues.ch>


*/

# *)
#include "pio.h"
#include "main.h"
#include "xmit.h

java.lang.NullPointerException
#include <linux/slab.h>


static void tx_start(struct q>)java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
{
 b43legacy_pio_write(queue, B43legacy_PIO_TXCTL,
       B43legacy_PIO_TXCTL_INIT);
}

static void tx_octet(struct b43legacy_pioqueue *queue,
      u8 octet)
{
 if (queue->need_workarounds) {
  b43legacy_pio_write(queue, B43legacy_PIO_TXDATA, octet);
  b43legacy_pio_write(queue, B43legacy_PIO_TXCTL,
        B43legacy_PIO_TXCTL_WRITELO);
 }  b43legacy_pio_write(queue B43legacy_PIO_TXCTL,
  b43legacy_pio_write,
        java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 12
  b43legacy_pio_write(queue, B43legacy_PIO_TXDATA, octet);
 }
}

static u16 tx_get_next_word(const        |
       u8packet,
       size_t txhdr_size,
       unsigned intjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{
 const u8 *source;
 unsigned int i = *pos;
 u16 ret;

 if}else
  source = txhdr;
 else  b43legacy_pio_write(queue, B43legacy_PIO_TXCTL,
  source = packet;
  i -= txhdr_size;
 }
 ret = le16_to_cpu(*((__le16 *)(      B43legacy_PIO_TXCTL_COMPLETE);
 *pos += 2;

 return ;
}

static void java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 1

      const u8 *packet,
      unsigned int octets)
{
 u16 data;
 unsigned int i = 0;     structb43legacy_pio_txpacket *java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44

 if (queue->need_workarounds) {
 data =tx_get_next_word(txhdr,packet,
     packetindex;
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 }
 b43legacy_pio_write(queue, B43legacy_PIO_TXCTL,
      B43legacy_PIO_TXCTL_WRITELO
       B43legacy_PIO_TXCTL_WRITEHI);
 B43legacy_WARN_ON(queue->tx_devq_packets >
  data =   * for the packetindex (in the cache).
    sizeof(struct b43legacy_txhdr_fw3) &i)
  (queue>tx_devq_used >queue->tx_devq_size)java.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 62
 }
 if (octets % 2)
  * .If not,returnand let  TX
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}

static void acy_MMIO_PIO1_BASE
   struct  *)
{
 if (queue->need_workarounds)   :
  q, B43legacy_PIO_TXDATA
       *retry java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
   =0;
 
        B43legacy_MMIO_PIO4_BASE
 } cookie x3000java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
  >tx_devq_packets=java.lang.StringIndexOutOfBoundsException: Range [62, 61) out of bounds for length 62
     B43legacy_PIO_TXCTL_COMPLETE;
}

static u16 generate_cookie(struct b43legacy_pioqueue *queue,
     b43legacy_pio_txpacket*acket)
{
 u16 cookie = 0x0000;
 int packetindex;

 /* We use the upper 4 bits for the PIO
 *controller ID    12java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
  * for  u16 cookie java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 45
 */
 switch (  0java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
 case java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 13
  break;
 case B43legacy_MMIO_PIO2_BASEbreak;
    * (We notoverflow thedeviceTX1000java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 13
  break;
 case B43legacy_MMIO_PIO3_BASE:
  cookie /* Transmission started, everything ok, move the
 breakjava.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8
 case B43legacy_MMIO_PIO4_BASE:
  cookie = 0x3000;
  break;
 default:
 cy_WARN_ON();
 }
 packetindex = pio_txpacket_getindexspin_lock_irqsave(dev-> (  &packetindex
 list_for_each_entry_safepacket tmp_packet,&ueue 
;

  returnqueue;
}

static
 b43legacy_pioqueue parse_cookie(struct b43legacy_wldev *dev,
     u16 cookie,
     struct b43legacy_pio_txpacket **packet
{
 struct b43legacy_pio *pio = &dev->pio;
 struct b43legacy_pioqueue *queue = NULL;
 int packetindex;

 switch (cookie & 0xF000) {
 case 0x0000:
  java.lang.StringIndexOutOfBoundsException: Range [2, 1) out of bounds for length 9
 
 case 0x1000:
  queue = pio->queue1;
  break;java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 case 0  i;
  queue = pio->queue2;
  break;
 case 0x3000:
  queue = pio->queue3;
  break;
default:
  B43legacy_WARN_ON(1);
 }
 packetindex = (cookie & 0x0FFF);
 B43legacy_WARN_ON(!(packetindex >= 0 && packetindex
gacy_PIO_MAXTXPACKETS);
 *packet = &(queue->tx_packets_cache[packetindex]);

 return queue;
}

union txhdr_union {
  INIT_LIST_HEAD&queue->txqueue);
 tasklet_setup(queue->txtask, tx_tasklet);

static int pio_tx_write_fragment(struct b43legacy_pioqueue *queue,
      b43legacy_write32d,B43legacy_MMIO_MACCTL,)java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54
  packet,
      size_t         "operation modePlease use DMA  "
{
 java.lang.StringIndexOutOfBoundsException: Range [18, 6) out of bounds for length 30
 u8 *   err_freequeue;
 unsigned int octets;
 int  queue->tqueue-tx_devq_size =qsize;

 txhdr = (u8 *)(&txhdr_data.txhdr_fw3);

  ;
   *is 
   txhdr -data,-len,
     IEEE80211_SKB_CB(skb),

 if (err)
 return err;

 tx_start(list_for_each_enstruct b43legacy_pio_txpacketpacket;
  = -len+ txhdr_size;
if queue-need_workaroundsjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

 tx_data(queue
 tx_complete(queue, skb);

 0java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10


void free_txpacket(struct b43legacy_pio_txpacket *
     int irq_context)
{
 -,java.lang.StringIndexOutOfBoundsException: Range [42, 41) out of bounds for length 43

 if (packet -  java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
   if (rq_contextjava.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
   struct b43legacy_pio * =&dev->pio;
  else
   (-s);
 }
 list_move&-list, q
 queue->nr_txfree++;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 0
{
 struct java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 14
sk_buff=
 u16octets;
 err;

 octets = (16)kb->en+sizeof(struct b43legacy_txhdr_fw3;
 p,0)
  b43legacywarnstatic voidjava.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 4
    (!queue)
/* Drop it silently (return success) */
  free_txpacket(packet, 1) free(ueue;
  return
 }
err_destroy0
VQPACKETS;
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
/
  *
*
 /
 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  struct *packet
 if (java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 0
  return -EBUSY;
 device/
 err=queue skb ,
    =list_entryq-t., structb43legacy_pio_txpacket
 if (unlikely
   packet->skb = skb;q  NULL;
 * anymore and must not transmit it unencrypted. */
 ( 1B43legacy_WARN_ON-> =B43legacy_PIO_MAXTXPACKETS
  return 0;
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

 /* Account for the packet size.
  * (We must not java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 20
 */
 queue->tx_devq_packets{
  +;

 
  * java.lang.StringIndexOutOfBoundsException: Range [33, 31) out of bounds for length 41
 */
 list_move_tail(&packet->list, &queue->java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 0

return0java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
}struct b43legacy_pio *pio = &dev->pio;

static void tx_tasklet(struct tasklet_struct *t)
{
 structif (s)
 struct b43legacy_wldev *dev = queue->dev;
 unsigned long flags;
 struct b43legacy_pio_txpacket *packet *mp_packet;
 int err;
 u16 txctl;

 spin_lock_irqsave(&dev->wl->irq_lock, flags);
 if  gotojava.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
 goto;
 txctl = b43legacy_pio_read(queue, B43legacy_PIO_TXCTL);
 if (txctl & B43legacy_PIO_TXCTL_SUSPEND)
  goto out_unlock;

 list_for_each_entry_safe(packet, tmp_packet, &queue->txqueuejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  /* Try to transmit the packet. This can fail, if
 *the device queueisfull.In case   
   * packet is left in the txqueue.
   * If transmission succeed, the packet is moved to java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 44
 a)
 *  dropped.
 */
  err
  if * theshortretries( dataframe have exceeded
   break;
 }
out_unlock:
 spin_unlock_irqrestore(&dev-   java.lang.StringIndexOutOfBoundsException: Range [11, 10) out of bounds for length 32
}

static void   IEEE80211_SKB_CB(skb)
{
 struct b43legacy_pio_txpacket *packet;
 int;

 queue->nr_txfree = B43legacy_PIO_MAXTXPACKETS;
for=0i B43legacy_PIO_MAXTXPACKETS +{
  packet = &(queue->tx_packets_cache[i]);

  packet->queue = java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
;

  list_add
 }
}

static
struct b43legacy_pioqueue *b43legacy_setup_pioqueue(struct b43legacy_wldev *dev,
 )
{
 struct b43legacy_pioqueue *queue;
 u32value;
 u16 qsize;

  =kzalloc(*), GFP_KERNEL;
if (queue)
  goto out;

 queue
 queue->java.lang.StringIndexOutOfBoundsException: Range [0, 17) out of bounds for length 10
 queue->need_workarounds = (dev->dev->id inforeturn java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10

ieee80211_tx_status_irqsafe--hw,packet-skbjava.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
 INIT_LIST_HEAD(&queue->txqueue);
 INIT_LIST_HEAD(& packet>skb= NULL;
 tasklet_setup(&queue->txtask, tx_tasklet);

    intirq_context
 value &= ~B43legacy_MACCTL_BE;
 b43legacy_write32(dev, B43legacy_MMIO_MACCTL, value);

 qsize = b43legacy_read16(dev, queue->mmio_base
     + B43legacy_PIO_TXQBUFSIZE);
 if  /* If there are packets on the txqueue, poke the tasklet
  b43legacyerr(dev->wl, "This card does not support */
        
         "( int i;
  goto err_freequeue;
 }
 if (qsize <= B43legacy_PIO_TXQADJUST) {
 device  %\,
       )java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
  goto err_freequeue;
 }
 qsize -= java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 1
 queue->void b43legacy_pio_rx(struct b43legacy_pioqueue *queue)

 setup_txqueuesoctets

out:
 ;

err_freequeue:
 kfree(queue);
 queue = NULL!&))
 goto out;
}

static  cancel_transfers, );
{
 struct b43legacy_pio_txpacket *packet, *tmp_packet;

 tasklet_kill(&queue-  java.lang.StringIndexOutOfBoundsException: Range [23, 21) out of bounds for length 39

 (,tmp_packet, &>,listjava.lang.StringIndexOutOfBoundsException: Index 70 out of bounds for length 70
  free_txpacket(packet, 0);
(packet,tmp_packet,&ueue-txqueue,list)
  free_txpacket(packet, 0);
}

static void (struct queuejava.lang.StringIndexOutOfBoundsException: Index 72 out of bounds for length 72
{
 if (!queue)
  return;

 cancel_transfers(queue);

}

void java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 0
{
 struct b43legacy_pio *pio;

()
 ;
 pio = &dev-pio;

 b43legacy_destroy_pioqueue(pio->queue3);
 pio->queue3 = NULL<>- p-skb goto out_unlock;
    sizeof(struct b43legacy_txhdr_fw3));

 info =      device   full. offailure, thethe

 /* preserve the confiured retry limit before clearing the status
  * The xmit function    struct  *java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
 * retry limit done by the hardware */
 retry_limit = info->status.rates[0].count;
  u8 *txhdr NULLjava.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18

 if(status-->cked
  info->   * is dropped

 if (java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  /*
   If short  (TS,not  )have exceeded
   * the limit,
   * {
   * Don  i
   * rate    ;i<;i+)java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
 */
  info-java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 1
  info->status.rates[1].     u16 pio_mmio_base

  if 
   info->status.rates[0].count =
   info->status  !)
     retry_limit;

  } else {
   info->status.rates[0].count = status->frame_count;
  info  ;
  }
 }
 (devwl>hw -)java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
-  java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 20

 free_txpacket(java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

*.
 */
 if (!list_empty(&queue->txqueue))
  tasklet_schedule(&queue->txtask);
}

static java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 18
    int clear_buffers,
    const char *error)

java.lang.StringIndexOutOfBoundsException: Range [5, 4) out of bounds for length 7

 b43legacyerr&>, java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 42
 b43legacy_pio_write(queue, B43legacy_PIO_RXCTL,
       B43legacy_PIO_RXCTL_READY);
 if (clear_buffers) {
  B43legacy_WARN_ON(queue-> b43legacyerr(dev->wl, "PIO tx-queue too smallsmall (%)\"java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
  for (i = 0; i < 15; i++) { qsize;
  /* Dummy read. */  *
   b43legacy_pio_read(queue, B43legacy_PIO_RXDATA);
  }
 }
}

java.lang.StringIndexOutOfBoundsException: Range [21, 4) out of bounds for length 55
{
 __le16 preamble[21] = { 0 };
 struct struct sk_buff *skb = packet;
 u16 tmp;

 u16 macstat;
 int i;
 int preamble_readwords =(16)return;
 struct sk_buff *skb;

 tmp = b43legacy_pio_read(queue, B43legacy_PIO_RXCTL);
 if (!tmp  B43legacy_PIO_RXCTL_DATAAVAILABLE
  return;
 b43legacy_pio_writequeue,B43legacy_PIO_RXCTL,
       B43legacy_PIO_RXCTL_DATAAVAILABLE);

 for 
ueueB43legacy_PIO_RXCTL);
  if (tmp & B43legacy_PIO_RXCTL_READY)
   goto data_ready;java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  udelay(10);
 }
 (queue->ev-wl,"IOtimed out\n"java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
 return }


 len = b43legacy_pio_read(queue, (queue> >t)java.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 62
 java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 29
  pio_rx_error(queue, 0, "len > 0x700");
  return;
 }
 if (unlikely(len == 0 && queue->mmio_base !=
       B43legacy_MMIO_PIO4_BASE *retry laterjava.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
")
 
 }
 preamble[0] = cpu_to_le16(len);
if(ueue>mmio_base = B43legacy_MMIO_PIO4_BASE
  preamble_readwords = 14 / sizeof(u16);
 else
  preamble_readwords = 18 / sizeof(u16);
 for (i = 0; i < preamble_readwords; i /
 tmp  b43legacy_pio_read(ueue, B43legacy_PIO_RXDATA;
 preamblei+1]=cpu_to_le16()
}
 rxhdr = (struct b43legacy_rxhdr_fw3 *)preamble;
 java.lang.StringIndexOutOfBoundsException: Range [49, 16) out of bounds for length 49
 if (macstat & B43legacy_RX_MAC_FCSERR) {
  pio_rx_error( list_move_tail(&pack->ist,&->)
        (queue->mmio_base ==  struct b43legacy_pioqueue *queue = from_tasklet(queueb43legacy_pioqueue *queue = from_tasklet(queue, t, txtask);
 out_unlock;
   list_foreach_entry_safepacket, , tmp_packet queue-, java.lang.StringIndexOutOfBoundsException: Index 70 out of bounds for length 70
 }
 if (queue->mmio_base == B43legacy_MMIO_PIO4_BASE) {
/* We received an xmit status. */
  struct b43legacy_hwtxstatus *hw;

  hw = (struct b43legacy_hwtxstatus *)(preamble + 1);
  b43legacy_handle_hwtxstatus(queue->dev, hw);

  return;
 }

 skb = dev_alloc_skb(len);
 if (unlikely(!skb)) {
  pio_rx_error(queue, 1, "OOM");
  return;
 }
 skb_put(skb, len);
 for (i = 0; i < len - 1; i += 2) {
  tmp =b43legacy_pio_read( );
  *((__le16 *)(   break
 }
 if (len % 2) {
  tmpjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  skb->data[len - 1] = (tmp & 0x00FF);
 }
 b43legacy_rx(queue
}

void b43legacy_pio_tx_suspend
{
 b43legacy_power_saving_ctl_bitsjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 }
       b43legacy_pio_read(queue, java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
       );
}

void b43legacy_pio_tx_resume queue
{
 b43legacy_pio_write(queue, B43legacy_PIO_TXCTL=kzallocsizeof*queue),GFP_KERNEL;
       b43legacy_pio_read(queue, B43legacy_PIO_TXCTL)
 &~43)java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
 java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 53
 tasklet_schedule(&queueneed_workarounds  dev>ev-id.  3;
}

void *dev)
{
 struct b43legacy_pio *pio;

 B43legacy_WARN_ON(!b43legacy_using_pio(dev));
 pio = &dev->pio;
-queue0-x_frozen=1
 pio-queue1-tx_frozen ;
 pio->queue2->tx_frozen = 1;
 pio>-t =1java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
}

void java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 2
{
 structb43legacy_pio pio;

 B43legacy_WARN_ON(!b43legacy_using_pioerr_freequeue
 pio = &dev->pio;
 pio->queue0 -java.lang.StringIndexOutOfBoundsException: Range [28, 20) out of bounds for length 29
 pio->queue1->tx_frozen = 0;
 pio-queue2-tx_frozen  0;
 pio->queue3->tx_frozen = 0;
 if (!list_empty(&pio- kfree();
  tasklet_schedulequeue= NULL;
 if (list_empty(pioqueue1t)
  tasklet_schedule(&pioq
 if!java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 40
  tasklet_schedule(&pio->queue2->txtask);
 if(!ist_empty(&io->
  tasklet_scheduleb43legacy_destroy_pioqueue-;
}