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path: root/drivers/net/wireless/iwlwifi/iwl3945-base.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl3945-base.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl3945-base.c60
1 files changed, 30 insertions, 30 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 4fd9eac6516..f6022649a6b 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -209,9 +209,9 @@ static void iwl_print_hex_dump(int level, void *p, u32 len)
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)
@@ -237,9 +237,9 @@ static inline int iwl_queue_dec_wrap(int index, int n_bd)
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)
@@ -273,7 +273,7 @@ static int iwl_queue_init(struct iwl_priv *priv, struct iwl_queue *q,
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;
}
@@ -369,8 +369,8 @@ void iwl_tx_queue_free(struct iwl_priv *priv, struct iwl_tx_queue *txq)
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;
@@ -649,12 +649,12 @@ static int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
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;
@@ -666,7 +666,7 @@ static int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
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);
@@ -682,10 +682,10 @@ static int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
"%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);
@@ -2799,21 +2799,21 @@ static int iwl_tx_skb(struct iwl_priv *priv,
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);
@@ -2881,7 +2881,7 @@ static int iwl_tx_skb(struct iwl_priv *priv,
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);
@@ -3375,20 +3375,20 @@ int iwl_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index)
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++;
@@ -3428,12 +3428,12 @@ static void iwl_rx_reply_tx(struct iwl_priv *priv,
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;
@@ -4368,14 +4368,14 @@ int iwl_tx_queue_update_write_ptr(struct iwl_priv *priv,
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;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-21 00:37:56 +0000