static int iwl_queue_space(const struct iwl_queue *q)
{
- int s = q->last_used - q->first_empty;
+ int s = q->read_ptr - q->write_ptr;
- if (q->last_used > q->first_empty)
+ if (q->read_ptr > q->write_ptr)
s -= q->n_bd;
if (s <= 0)
static inline int x2_queue_used(const struct iwl_queue *q, int i)
{
- return q->first_empty > q->last_used ?
- (i >= q->last_used && i < q->first_empty) :
- !(i < q->last_used && i >= q->first_empty);
+ return q->write_ptr > q->read_ptr ?
+ (i >= q->read_ptr && i < q->write_ptr) :
+ !(i < q->read_ptr && i >= q->write_ptr);
}
static inline u8 get_cmd_index(struct iwl_queue *q, u32 index, int is_huge)
if (q->high_mark < 2)
q->high_mark = 2;
- q->first_empty = q->last_used = 0;
+ q->write_ptr = q->read_ptr = 0;
return 0;
}
txq->txb = kmalloc(sizeof(txq->txb[0]) *
TFD_QUEUE_SIZE_MAX, GFP_KERNEL);
if (!txq->txb) {
- IWL_ERROR("kmalloc for auxilary BD "
+ IWL_ERROR("kmalloc for auxiliary BD "
"structures failed\n");
goto error;
}
int len;
int rc = 0;
- /* alocate command space + one big command for scan since scan
+ /* allocate command space + one big command for scan since scan
* command is very huge the system will not have two scan at the
* same time */
len = sizeof(struct iwl_cmd) * slots_num;
return;
/* first, empty all BD's */
- for (; q->first_empty != q->last_used;
- q->last_used = iwl_queue_inc_wrap(q->last_used, q->n_bd))
+ for (; q->write_ptr != q->read_ptr;
+ q->read_ptr = iwl_queue_inc_wrap(q->read_ptr, q->n_bd))
iwl_hw_txq_free_tfd(priv, txq);
len = sizeof(struct iwl_cmd) * q->n_window;
*/
/**************************************************************/
-#if 0 /* temparary disable till we add real remove station */
+#if 0 /* temporary disable till we add real remove station */
static u8 iwl_remove_station(struct iwl_priv *priv, const u8 *addr, int is_ap)
{
int index = IWL_INVALID_STATION;
index = i;
}
- /* These twh conditions has the same outcome but keep them separate
+ /* These two conditions has the same outcome but keep them separate
since they have different meaning */
if (unlikely(index == IWL_INVALID_STATION)) {
spin_unlock_irqrestore(&priv->sta_lock, flags_spin);
station->sta.sta.sta_id = index;
station->sta.station_flags = 0;
- rate = (priv->phymode == MODE_IEEE80211A) ? IWL_RATE_6M_PLCP :
- IWL_RATE_1M_PLCP | priv->hw_setting.cck_flag;
+ if (priv->phymode == MODE_IEEE80211A)
+ rate = IWL_RATE_6M_PLCP;
+ else
+ rate = IWL_RATE_1M_PLCP;
/* Turn on both antennas for the station... */
station->sta.rate_n_flags =
spin_lock_irqsave(&priv->hcmd_lock, flags);
- tfd = &txq->bd[q->first_empty];
+ tfd = &txq->bd[q->write_ptr];
memset(tfd, 0, sizeof(*tfd));
control_flags = (u32 *) tfd;
- idx = get_cmd_index(q, q->first_empty, cmd->meta.flags & CMD_SIZE_HUGE);
+ idx = get_cmd_index(q, q->write_ptr, cmd->meta.flags & CMD_SIZE_HUGE);
out_cmd = &txq->cmd[idx];
out_cmd->hdr.cmd = cmd->id;
out_cmd->hdr.flags = 0;
out_cmd->hdr.sequence = cpu_to_le16(QUEUE_TO_SEQ(IWL_CMD_QUEUE_NUM) |
- INDEX_TO_SEQ(q->first_empty));
+ INDEX_TO_SEQ(q->write_ptr));
if (out_cmd->meta.flags & CMD_SIZE_HUGE)
out_cmd->hdr.sequence |= cpu_to_le16(SEQ_HUGE_FRAME);
"%d bytes at %d[%d]:%d\n",
get_cmd_string(out_cmd->hdr.cmd),
out_cmd->hdr.cmd, le16_to_cpu(out_cmd->hdr.sequence),
- fix_size, q->first_empty, idx, IWL_CMD_QUEUE_NUM);
+ fix_size, q->write_ptr, idx, IWL_CMD_QUEUE_NUM);
txq->need_update = 1;
- q->first_empty = iwl_queue_inc_wrap(q->first_empty, q->n_bd);
+ q->write_ptr = iwl_queue_inc_wrap(q->write_ptr, q->n_bd);
ret = iwl_tx_queue_update_write_ptr(priv, txq);
spin_unlock_irqrestore(&priv->hcmd_lock, flags);
/**
* iwl_full_rxon_required - determine if RXON_ASSOC can be used in RXON commit
- * @priv: staging_rxon is comapred to active_rxon
+ * @priv: staging_rxon is compared to active_rxon
*
* If the RXON structure is changing sufficient to require a new
* tune or to clear and reset the RXON_FILTER_ASSOC_MSK then return 1
/**
* iwl_commit_rxon - commit staging_rxon to hardware
*
- * The RXON command in staging_rxon is commited to the hardware and
+ * The RXON command in staging_rxon is committed to the hardware and
* the active_rxon structure is updated with the new data. This
* function correctly transitions out of the RXON_ASSOC_MSK state if
* a HW tune is required based on the RXON structure changes.
return -ENOENT;
}
- rc = iwl_eeprom_aqcuire_semaphore(priv);
+ rc = iwl_eeprom_acquire_semaphore(priv);
if (rc < 0) {
- IWL_ERROR("Failed to aqcuire EEPROM semaphore.\n");
+ IWL_ERROR("Failed to acquire EEPROM semaphore.\n");
return -ENOENT;
}
struct iwl_powertable_cmd cmd;
/* If on battery, set to 3,
- * if plugged into AC power, set to CAM ("continuosly aware mode"),
+ * if plugged into AC power, set to CAM ("continuously aware mode"),
* else user level */
switch (mode) {
case IWL_POWER_BATTERY:
}
/*
- * initilize rxon structure with default values fromm eeprom
+ * initialize rxon structure with default values from eeprom
*/
static void iwl_connection_init_rx_config(struct iwl_priv *priv)
{
return priv->hw_setting.bcast_sta_id;
}
default:
- IWL_WARNING("Unkown mode of operation: %d", priv->iw_mode);
+ IWL_WARNING("Unknown mode of operation: %d", priv->iw_mode);
return priv->hw_setting.bcast_sta_id;
}
}
spin_lock_irqsave(&priv->lock, flags);
- tfd = &txq->bd[q->first_empty];
+ tfd = &txq->bd[q->write_ptr];
memset(tfd, 0, sizeof(*tfd));
control_flags = (u32 *) tfd;
- idx = get_cmd_index(q, q->first_empty, 0);
+ idx = get_cmd_index(q, q->write_ptr, 0);
- memset(&(txq->txb[q->first_empty]), 0, sizeof(struct iwl_tx_info));
- txq->txb[q->first_empty].skb[0] = skb;
- memcpy(&(txq->txb[q->first_empty].status.control),
+ memset(&(txq->txb[q->write_ptr]), 0, sizeof(struct iwl_tx_info));
+ txq->txb[q->write_ptr].skb[0] = skb;
+ memcpy(&(txq->txb[q->write_ptr].status.control),
ctl, sizeof(struct ieee80211_tx_control));
out_cmd = &txq->cmd[idx];
memset(&out_cmd->hdr, 0, sizeof(out_cmd->hdr));
memset(&out_cmd->cmd.tx, 0, sizeof(out_cmd->cmd.tx));
out_cmd->hdr.cmd = REPLY_TX;
out_cmd->hdr.sequence = cpu_to_le16((u16)(QUEUE_TO_SEQ(txq_id) |
- INDEX_TO_SEQ(q->first_empty)));
+ INDEX_TO_SEQ(q->write_ptr)));
/* copy frags header */
memcpy(out_cmd->cmd.tx.hdr, hdr, hdr_len);
iwl_print_hex_dump(IWL_DL_TX, (u8 *)out_cmd->cmd.tx.hdr,
ieee80211_get_hdrlen(fc));
- q->first_empty = iwl_queue_inc_wrap(q->first_empty, q->n_bd);
+ q->write_ptr = iwl_queue_inc_wrap(q->write_ptr, q->n_bd);
rc = iwl_tx_queue_update_write_ptr(priv, txq);
spin_unlock_irqrestore(&priv->lock, flags);
if ((index >= q->n_bd) || (x2_queue_used(q, index) == 0)) {
IWL_ERROR("Read index for DMA queue txq id (%d), index %d, "
"is out of range [0-%d] %d %d.\n", txq_id,
- index, q->n_bd, q->first_empty, q->last_used);
+ index, q->n_bd, q->write_ptr, q->read_ptr);
return 0;
}
for (index = iwl_queue_inc_wrap(index, q->n_bd);
- q->last_used != index;
- q->last_used = iwl_queue_inc_wrap(q->last_used, q->n_bd)) {
+ q->read_ptr != index;
+ q->read_ptr = iwl_queue_inc_wrap(q->read_ptr, q->n_bd)) {
if (txq_id != IWL_CMD_QUEUE_NUM) {
iwl_txstatus_to_ieee(priv,
- &(txq->txb[txq->q.last_used]));
+ &(txq->txb[txq->q.read_ptr]));
iwl_hw_txq_free_tfd(priv, txq);
} else if (nfreed > 1) {
IWL_ERROR("HCMD skipped: index (%d) %d %d\n", index,
- q->first_empty, q->last_used);
+ q->write_ptr, q->read_ptr);
queue_work(priv->workqueue, &priv->restart);
}
nfreed++;
if ((index >= txq->q.n_bd) || (x2_queue_used(&txq->q, index) == 0)) {
IWL_ERROR("Read index for DMA queue txq_id (%d) index %d "
"is out of range [0-%d] %d %d\n", txq_id,
- index, txq->q.n_bd, txq->q.first_empty,
- txq->q.last_used);
+ index, txq->q.n_bd, txq->q.write_ptr,
+ txq->q.read_ptr);
return;
}
- tx_status = &(txq->txb[txq->q.last_used].status);
+ tx_status = &(txq->txb[txq->q.read_ptr].status);
tx_status->retry_count = tx_resp->failure_frame;
tx_status->queue_number = status;
* The management in the driver is as follows:
* + A list of pre-allocated SKBs is stored in iwl->rxq->rx_free. When
* iwl->rxq->free_count drops to or below RX_LOW_WATERMARK, work is scheduled
- * to replensish the iwl->rxq->rx_free.
+ * to replenish the iwl->rxq->rx_free.
* + In iwl_rx_replenish (scheduled) if 'processed' != 'read' then the
* iwl->rxq is replenished and the READ INDEX is updated (updating the
* 'processed' and 'read' driver indexes as well)
}
/**
- * iwl_rx_replensih - Move all used packet from rx_used to rx_free
+ * iwl_rx_replenish - Move all used packet from rx_used to rx_free
*
* When moving to rx_free an SKB is allocated for the slot.
*
* Also restock the Rx queue via iwl_rx_queue_restock.
- * This is called as a scheduled work item (except for during intialization)
+ * This is called as a scheduled work item (except for during initialization)
*/
void iwl_rx_replenish(void *data)
{
if (rc)
return rc;
iwl_write_restricted(priv, HBUS_TARG_WRPTR,
- txq->q.first_empty | (txq_id << 8));
+ txq->q.write_ptr | (txq_id << 8));
iwl_release_restricted_access(priv);
/* else not in power-save mode, uCode will never sleep when we're
* trying to tx (during RFKILL, we're not trying to tx). */
} else
iwl_write32(priv, HBUS_TARG_WRPTR,
- txq->q.first_empty | (txq_id << 8));
+ txq->q.write_ptr | (txq_id << 8));
txq->need_update = 0;
}
/**
- * iwl_init_alive_start - Called after REPLY_ALIVE notification receieved
+ * iwl_init_alive_start - Called after REPLY_ALIVE notification received
*
* Called after REPLY_ALIVE notification received from "initialize" uCode.
*
return;
done:
- /* inform mac80211 sacn aborted */
+ /* inform mac80211 scan aborted */
queue_work(priv->workqueue, &priv->scan_completed);
mutex_unlock(&priv->mutex);
}
}
/* TODO: Figure out how to get ieee80211_local->sta_scanning w/ only
- * what is exposed through include/ declrations */
+ * what is exposed through include/ declarations */
if (unlikely(!iwl_param_disable_hw_scan &&
test_bit(STATUS_SCANNING, &priv->status))) {
IWL_DEBUG_MAC80211("leave - scanning\n");
mutex_unlock(&priv->mutex);
- IWL_DEBUG_INFO("Queing UP work.\n");
+ IWL_DEBUG_INFO("Queueing UP work.\n");
queue_work(priv->workqueue, &priv->up);
projects / deliverable / linux.git / blobdiff