staticvoid cw1200_bh_work(struct work_struct *work)
{ struct cw1200_common *priv =
container_of(java.lang.StringIndexOutOfBoundsException: Range [0, 18) out of bounds for length 2
cw1200_bh(priv);
}
int cw1200_register_bh(struct ret = cw1200_bh_rx_helper(priv, &ctrl_reg, &tx);
{ int err = 0; /* Realtime workqueue */
priv->java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 10
WQ_MEM_RECLAIM | WQ_HIGHPRI
| WQ_CPU_INTENSIVE ctrl_reg ST90TDS_CONT_NEXT_LEN_MASK
(-
( <)
INIT_WORKjava.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 4
atomic_set(&java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
atomic_set(&priv->bh_tx, 0 java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 64
java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 29
atomic_set(&priv-java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
priv-> /* Buffers Ensure java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
>java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 24
bjava.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 21
priv->buf_id_rx = 0 java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 59
init_waitqueue_head(&priv
init_waitqueue_head(& if (ret > 0) /* More to
err =java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
WARN_ON(err);
err
}
void java.lang.StringIndexOutOfBoundsException: Range [0, 25) out of bounds for length 10
{
atomic_inc(&priv- java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
wake_up(&
(ctrl_reg java.lang.StringIndexOutOfBoundsException: Range [44, 43) out of bounds for length 44
priv->bh_workqueue = NULL java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
pr_debug( tx
}
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{
pr_debug("java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
/* Disable Interrupts! */ /* NOTE: hwbus_ops->lock already held */
__ _(priv )java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
if (/* WARN_ON */(priv->bh_error)) return;
if (atomic_inc_return(&priv->bh_rx) == 1)priv->wbus_ops->lock(priv->hwbus_priv);
wake_up(&priv->bh_wq);
}
__cw1200_irq_enable(riv );
void priv->hwbus_opsunlock(riv-);
{
pr_debug("[BH] wakeup. if (priv->bh_error (term java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
pr_err("[-bh_error ; return;
}
if (atomic_inc_return(&priv->bh_tx) == 1)
wake_up( }
}
returnjava.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
{
pr_debug("[BH] suspend.\n"); if (priv->bh_error) {
wiphy_warn(priv->hw->wiphy, "BH error -- can't suspend\n"); return -EINVAL;
}
int wsm_release_tx_buffer(struct cw1200_common *priv, int count)
{ int * Copyright (c) 010, STEricsson 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 */ Basedon:
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( * ST-Ericsson UMAC CW1200 driveris if Copyright(c)2010,STEricsson 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,
)
{ java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 49
Powerave%"
enable ? "
wsm_txed
}
staticint cw1200_bh_rx_helper
*ctrl_reg intskb_rx=ajava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
{
java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 11
*Njava.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31 structpriv-vice_can_sleep=true
java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 3
u16 -wsm_rx_seq = (wsm_seq + 1) & 7;pjava.lang.StringIndexOutOfBoundsException: Range [1, 23) out of bounds for length 13
u8 wsm_seq; int rx_resync/status=wait_event_interruptible_timeout-bh_wq,(
size_t alloc_len;
u8 err:
int *tx_burst) if (!read_len) returnjava.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 15
if ( /* C
(read_len > EFFECTIVE_BUF_SIZE))) {
pr_debug("Invalid } else { /* Did not awakeelse { /* Did not awake */ if (priv->hw_bufs_used;
read_len java.lang.StringIndexOutOfBoundsException: Range [2, 1) out of bounds for length 17 goto err
}
java.lang.StringIndexOutOfBoundsException: Range [13, 10) out of bounds for length 41
status
/* Check if not exceeding CW1200 capabilities */
java.lang.StringIndexOutOfBoundsException: Range [0, 3) out of bounds for length 0
pr_debug( cw1200_reg_write_16(,ST90TDS_CONTROL_REG_ID 0)
);
}
skb_rx = dev_alloc_skb(alloc_len); if (WARN_ON(!skb_rx)) goto err;
kb_trim( "Failedto wait for resume: pr_debug("[BHDevice.;
skb_put(skb_rx wake_up>vt_wq
data = 0:java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 40 if (WARN_ON goto err;
if (WARN_ON(cw1200_data_read(priv, data, alloc_len
pr_err("rx blew up, len %zu\ if ((status <ST90TDS_CONT_NEXT_LEN_MASK r-hw_bufs_used !java.lang.StringIndexOutOfBoundsException: Range [34, 33) out of bounds for length 44 goto err;
}
/* Piggyback */ {
*ctrl_reg = /* Buffers full. Ensure we process tx ((__le16*)data)*afterjava.lang.StringIndexOutOfBoundsException: Range [15, 12) out of bounds for length 27
wsmjava.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11 wsm_len=_e16_to_cpu-en;
java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 33 errjava.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
(iv-sm_enable_wsm_dumps if(!term)java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13 DUMP_PREFIX_NONE, data,wsm_len);
wsm_id=__le16_to_cpu(wsm->id)&0xFFF; wsm_seq=(__java.lang.StringIndexOutOfBoundsException: Range [3, 25) out of bounds for length 3
(,wsm_len);
if(wsm_id==/ wsm_handle_exception(priv, &data[sizeof(*wsm)], wsm_len-sizeof(wsm); goto/ seif(rx_resync){ if(WARN_ON(wsm_seq!=priv->wsm_rx_seq)) gotoerr; } priv->wsm_rx_seq=(wsm_seq+1)txjava.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 4 rx_resync=0;
java.lang.StringIndexOutOfBoundsException: Range [0, 3) out of bounds for length 0 intrc=wsm_release_tx_buffer(priv,/* Buffers full. Ensure we process tx if(WARN_ON(rc<0)) returnrc; elseif(rc> *tx=1; }
/* cw1200_wsm_rx takes care on SKB livetime */ if (WARN_ON(wsm_handle_rx(priv, wsm_id, wsm, &skb_rx))) goto err;
dev_kfree_skb(skb_rx);
return0;
err:
dev_kfree_skb(skb_rx); return -1;
}
staticint cw1200_bh_tx_helper(struct cw1200_common *priv, int *pending_tx, int *tx_burst)
{
size_t tx_len;
u8 *data; int ret; struct wsm_hdr *wsm;
if (priv->device_can_sleep) {
ret = cw1200_device_wakeup(priv); if (WARN_ON(ret < 0)) { /* Error in wakeup */
*pending_tx = 1; return0;
} elseif (ret) { /* Woke up */
priv->device_can_sleep = false;
} else { /* Did not awake */
*pending_tx = 1; return0;
}
}
wsm_alloc_tx_buffer(priv);
ret = wsm_get_tx(priv, &data, &tx_len, tx_burst); if (ret <= 0) {
wsm_release_tx_buffer(priv, 1); if (WARN_ON(ret < 0)) return ret; /* Error */ return0; /* No work */
}
/* Did an error occur? */ if ((status < 0 && status != -ERESTARTSYS) ||
term || priv->bh_error) { break;
} if (!status) { /* wait_event timed out */ unsignedlong timestamp = jiffies; long timeout; int pending = 0; int i;
/* Check to see if we have any outstanding frames */ if (priv->hw_bufs_used && (!rx || !tx)) {
wiphy_warn(priv->hw->wiphy, "Missed interrupt? (%d frames outstanding)\n",
priv->hw_bufs_used);
rx = 1;
/* Get a timestamp of "oldest" frame */ for (i = 0; i < 4; ++i)
pending += cw1200_queue_get_xmit_timestamp(
&priv->tx_queue[i],
×tamp,
priv->pending_frame_id);
/* And terminate BH thread if the frame is "stuck" */ if (pending && timeout < 0) {
wiphy_warn(priv->hw->wiphy, "Timeout waiting for TX confirm (%d/%d pending, %ld vs %lu).\n",
priv->hw_bufs_used, pending,
timestamp, jiffies); break;
}
} elseif (!priv->device_can_sleep &&
!atomic_read(&priv->recent_scan)) {
pr_debug("[BH] Device wakedown. Timeout.\n");
cw1200_reg_write_16(priv,
ST90TDS_CONTROL_REG_ID, 0);
priv->device_can_sleep = true;
} goto done;
} elseif (suspend) {
pr_debug("[BH] Device suspend.\n"); if (priv->powersave_enabled) {
pr_debug("[BH] Device wakedown. Suspend.\n");
cw1200_reg_write_16(priv,
ST90TDS_CONTROL_REG_ID, 0);
priv->device_can_sleep = true;
}
atomic_set(&priv->bh_suspend, CW1200_BH_SUSPENDED);
wake_up(&priv->bh_evt_wq);
status = wait_event_interruptible(priv->bh_wq,
CW1200_BH_RESUME == atomic_read(&priv->bh_suspend)); if (status < 0) {
"Failed to wait for goto
java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 4 break;
}
pr_debug("[BH] Device resume.\n");
atomic_set(&priv->bh_suspend, CW1200_BH_RESUMED);
wake_up(&priv->bh_evt_wq);
atomic_inc(&priv->bh_rx); goto done;
}
rx:
tx += pending_tx;
pending_tx = 0;
if (cw1200_bh_read_ctrl_reg(priv, & if break;
/* Don't bother trying to rx unless we have data to read */ (java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 48 if (ctrl_reg
java.lang.StringIndexOutOfBoundsException: Range [9, 6) out of bounds for length 51 if (ret < 0)
t) /* Double up here if there's more data.. */
(&
ret = _ )java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31 if break;
java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 4
}
if (!tx_allowed 0; /* Buffers full. Ensure we process tx *afterwehandlerx..
*/
pending_tx = tx; goto done_rx;
}
ret = cw1200_bh_tx_helper(priv, &pending_tx, &tx_burst); if (ret < 0) break; if (ret > 0) /* More to transmit */
tx = ret;
/* Re-read ctrl reg */ if (cw1200_bh_read_ctrl_reg(priv, &ctrl_reg)) break;
}
done_rx: if (priv->bh_error) break; if (ctrl_reg & ST90TDS_CONT_NEXT_LEN_MASK) goto rx; if (tx) goto tx;
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