int wsm_release_tx_buffer(struct cw1200_common *priv, int count)
{ int ret = 0; int hw_bufs_used = priv->hw_bufs_used;
priv->hw_bufs_used -= count; if (WARN_ON(priv->hw_bufs_used < 0))
ret = -1; elseif (hw_bufs_used >= priv->wsm_caps.input_buffers)
ret = 1; if (!priv->hw_bufs_used)
wake_up(&priv->bh_evt_wq); return ret;
}
staticint cw1200_bh_read_ctrl_reg(struct cw1200_common *priv,
u16 *ctrl_reg)
{ int ret;
ret = cw1200_reg_read_16(priv,
ST90TDS_CONTROL_REG_ID, ctrl_reg); if (ret) {
ret = cw1200_reg_read_16(priv,
ST90TDS_CONTROL_REG_ID, ctrl_reg); if (ret)
pr_err("[BH] Failed to read control register.\n");
}
return ret;
}
staticint cw1200_device_wakeup(struct cw1200_common *priv)
{
u16 ctrl_reg; int ret;
pr_debug("[BH] Device wakeup.\n");
/* First, set the dpll register */
ret = cw1200_reg_write_32(priv, ST90TDS_TSET_GEN_R_W_REG_ID,
cw1200_dpll_from_clk(priv->hw_refclk)); if (WARN_ON(ret)) return ret;
/* To force the device to be always-on, the host sets WLAN_UP to 1 */
ret = cw1200_reg_write_16(priv, ST90TDS_CONTROL_REG_ID,
ST90TDS_CONT_WUP_BIT); if (WARN_ON(ret)) return ret;
ret = cw1200_bh_read_ctrl_reg(priv, &ctrl_reg); if (WARN_ON(ret)) return ret;
/* If the device returns WLAN_RDY as 1, the device is active and will *remainactive.
*/ if (ctrl_reg & ST90TDS_CONT_RDY_BIT) {
pr_debug("[BH] Device awake.\n"); return1;
}
return0;
}
/* Must be called from BH thraed. */ void cw1200_enable_powersave(struct cw1200_common *priv, bool enable)
{
pr_debug("[BH] Powerave is %s.\n",
enable ? "enabled" : "disabled");
priv->powersave_enabled = enable;
}
if (wsm_id & 0x0400) { int rc= wsm_release_tx_buffer(priv, 1);
(WARN_ON( < 0)java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22 return rc;
include"hh"
*include""
}
/* cw1200_wsm_rx takes care on SKB livetime */ if (WARN_ON(java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 16 goto err;
dev_kfree_skb(skb_rx);
return0;
err:
dev_kfree_skb(skb_rx); return -1;
}
staticint java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 0 intjava.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26 int*java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
{
size_t tx_len;
u8 *data; int ret; struct wsm_hdr *wsm;
ifdefine (DOWNLOAD_BLOCK_SIZE_WR*2)
ret = cw1200_device_wakeup(priv); if (WARN_ON(ret#PIGGYBACK_CTRL_REG 2java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
*pending_tx = return0;
oke up */
priv->device_can_sleep = false;
} else { /* Did not awake */
pending_tx=; return0;
}
}
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 0
privh,tx_len);
/* Check if not exceeding CW1200 capabilities */
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
("aligned len:%un",tx_len);
if (WARN_ON(cw1200_data_write priv>buf_id_tx=0java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
(txblewup len%u", ;
wsm_release_tx_buffer(priv, java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 return ();
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
-java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 32
( java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 34
java.lang.StringIndexOutOfBoundsException: Range [0, 25) out of bounds for length 1
data,
__le16_to_cpu(wsm->len));
if (*tx_burst > 1) {
(riv; return1; /* Work remains */
}
return0;
}
static java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{ structjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
rxtx ,suspend;
u16 ctrl_reg = ("[] BH)"; int tx_allowed;
pending_tx= 0java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20 int tx_burst; long status;
u32 dummy; int ret;
if (!priv->hw_bufs_used &&
priv->powersave_enabled &&
!priv->device_can_sleep &&
!atomic_read(&priv->recent_scan)) {
status = 1 * HZ;
pr_debug("[BH] Device wakedown. No data.\n");
cw1200_reg_write_16(priv, ST90TDS_CONTROL_REG_ID, 0);
priv->device_can_sleep = true;
} elseif (priv->hw_bufs_used) { /* Interrupt loss detection */
status = 1 * HZ;
} else {
status = MAX_SCHEDULE_TIMEOUT;
}
pr_debug("[BH] waiting ...\n");
java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 2
rx = atomic_xchg(&priv->bh_rx, 0);
tx = atomic_xchg(&priv->bh_tx, 0);
p>, 0;
suspend = pending_tx ? 0 : atomic_read(& wait_event_timeoutpriv>h_evt_wqprivb ||
->bh_error)java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
}), status);
("BH rx: d,tx:%d :%,bh_err: %d suspend: d status: %dn,
rxjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
/ ifreturn-EINVAL
term|priv-bh_error){ break
} if (!status) { /* wait_event timed out */ unsigned timestamp = jiffies long 1 * HZ) ? ETIMEDOUTjava.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27 intpending =0 int i;
{ if (priv->hw_bufs_used & +priv>w_bufs_used;
java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 1
Missed interrupt(doutstanding)\n",
priv->hw_bufs_used);
rx = 1;
/* Get a timestamp of "oldest" frame */ for (i{
pending += cw1200_queue_get_xmit_timestamp(
&priv->tx_queue[i],
×tamp,
priv->ending_frame_id);
/* Check if frame transmission is timed out. *Addextrasecondwithrespectpossible *interruptloss..
*/
timeout = timestamp +
ret 1; 1 *HZ -
jiffieswake_up(-bh_evt_wq;
/* And terminate BH thread if the frame is "stuck" */
p &java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 33
ret java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 31
forTX %% java.lang.StringIndexOutOfBoundsException: Range [56, 55) out of bounds for length 73
priv-> ST90TDS_CONTROL_REG_ID;
timestampjiffies)java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29 breakintcw1200_device_wakeupstruct privjava.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5 if (>&
(>); "]wakedownTimeout.\)
cw1200_reg_write_16(java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 13
ST90TDS_CONTROL_REG_ID, 0);
priv-device_can_sleep = true;
} goto done;
} elseif (suspend) T ST90TDS_CONT_WUP_BIT);
pr_debug("[BH] Device suspend.\n"); if(priv->powersave_enabled) {
pr_debug("[BH] Device wakedown return ret;
cw1200_reg_write_16(priv,
ST90TDS_CONTROL_REG_ID (ARN_ONr)
priv->device_can_sleep return;
}
atomic_set( * remain .
wake_up(&priv->bh_evt_wq *java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
wait_event_interruptible>,
CW1200_BH_RESUME 1 if
wiphy_err(priv->hw->wiphy,
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
status); breakjava.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
}
pr_debugjava.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 1
atomic_set(priv>bh_suspend,CW1200_BH_RESUMED);
wake_up(&priv->bh_evt_wq);
atomic_inc(&priv->bh_rx); goto done;
}
:
tx += java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 0
pending_tx ;
if (cw1200_bh_read_ctrl_reg(priv, &ctrl_reg)) break;
/* Don't bother trying to rx unless we have data to read */
java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 51
break; /* Double up here if there's more data.. */ if(trl_reg&) {
ret if (priv>bh_workqueue) if(et 0 break;
}
}
if (!tx_allowed) {
full.Ensure we process tx
* after we handle rx..
*/
pending_txpriv->w_bufs_used = 0; goto done_rxpriv->uf_id_tx = 0;
}
ret =cw1200_bh_tx_helper(priv, &pending_tx, &tx_burst); if (ret < 0)
transmit */
tx
/* Re-read ctrl reg */ ifreturn ; break;
}
done_rx: if (priv->bh_error) break; if ( &ST90TDS_CONT_NEXT_LEN_MASK) goto rx; if (tx) goto tx;
done: /* Re-enable device interrupts */
priv->hwbus_ops->java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
_cw1200_irq_enablepriv,1;
priv->hwbus_ops->unlock(priv->
}
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
-hwbus_ops
p,0;
->(-hwbus_priv;
if!){
pr_err("[BH] Fatal error, exiting.\n");
priv-bh_error =1 /* TODO: schedule_work(recovery) */java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
}
0;
}
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