iwlagn: move tx queues to transport layer
This finalizes the move of the data path to the transport layer.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c b/drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c
index 28c606c..5dd6a6d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c
+++ b/drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c
@@ -407,9 +407,10 @@
struct iwl_tx_queue *txq,
int tx_fifo_id, int scd_retry)
{
+ struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
int txq_id = txq->q.id;
int active =
- test_bit(txq_id, &priv(trans)->txq_ctx_active_msk) ? 1 : 0;
+ test_bit(txq_id, &trans_pcie->txq_ctx_active_msk) ? 1 : 0;
iwl_write_prph(bus(trans), SCD_QUEUE_STATUS_BITS(txq_id),
(active << SCD_QUEUE_STTS_REG_POS_ACTIVE) |
@@ -482,8 +483,8 @@
/* Place first TFD at index corresponding to start sequence number.
* Assumes that ssn_idx is valid (!= 0xFFF) */
- priv(trans)->txq[txq_id].q.read_ptr = (ssn_idx & 0xff);
- priv(trans)->txq[txq_id].q.write_ptr = (ssn_idx & 0xff);
+ trans_pcie->txq[txq_id].q.read_ptr = (ssn_idx & 0xff);
+ trans_pcie->txq[txq_id].q.write_ptr = (ssn_idx & 0xff);
iwl_trans_set_wr_ptrs(trans, txq_id, ssn_idx);
/* Set up Tx window size and frame limit for this queue */
@@ -500,11 +501,11 @@
iwl_set_bits_prph(bus(trans), SCD_INTERRUPT_MASK, (1 << txq_id));
/* Set up Status area in SRAM, map to Tx DMA/FIFO, activate the queue */
- iwl_trans_tx_queue_set_status(trans, &priv(trans)->txq[txq_id],
+ iwl_trans_tx_queue_set_status(trans, &trans_pcie->txq[txq_id],
tx_fifo, 1);
- priv(trans)->txq[txq_id].sta_id = sta_id;
- priv(trans)->txq[txq_id].tid = tid;
+ trans_pcie->txq[txq_id].sta_id = sta_id;
+ trans_pcie->txq[txq_id].tid = tid;
spin_unlock_irqrestore(&trans->shrd->lock, flags);
}
@@ -517,11 +518,12 @@
*/
static int iwlagn_txq_ctx_activate_free(struct iwl_trans *trans)
{
+ struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
int txq_id;
for (txq_id = 0; txq_id < hw_params(trans).max_txq_num; txq_id++)
if (!test_and_set_bit(txq_id,
- &priv(trans)->txq_ctx_active_msk))
+ &trans_pcie->txq_ctx_active_msk))
return txq_id;
return -1;
}
@@ -530,6 +532,7 @@
enum iwl_rxon_context_id ctx, int sta_id,
int tid, u16 *ssn)
{
+ struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
struct iwl_tid_data *tid_data;
unsigned long flags;
u16 txq_id;
@@ -545,7 +548,7 @@
tid_data = &trans->shrd->tid_data[sta_id][tid];
*ssn = SEQ_TO_SN(tid_data->seq_number);
tid_data->agg.txq_id = txq_id;
- iwl_set_swq_id(&priv->txq[txq_id], get_ac_from_tid(tid), txq_id);
+ iwl_set_swq_id(&trans_pcie->txq[txq_id], get_ac_from_tid(tid), txq_id);
tid_data = &trans->shrd->tid_data[sta_id][tid];
if (tid_data->tfds_in_queue == 0) {
@@ -564,24 +567,26 @@
void iwl_trans_pcie_txq_agg_disable(struct iwl_trans *trans, int txq_id)
{
+ struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
iwlagn_tx_queue_stop_scheduler(trans, txq_id);
iwl_clear_bits_prph(bus(trans), SCD_AGGR_SEL, (1 << txq_id));
- priv(trans)->txq[txq_id].q.read_ptr = 0;
- priv(trans)->txq[txq_id].q.write_ptr = 0;
+ trans_pcie->txq[txq_id].q.read_ptr = 0;
+ trans_pcie->txq[txq_id].q.write_ptr = 0;
/* supposes that ssn_idx is valid (!= 0xFFF) */
iwl_trans_set_wr_ptrs(trans, txq_id, 0);
iwl_clear_bits_prph(bus(trans), SCD_INTERRUPT_MASK, (1 << txq_id));
- iwl_txq_ctx_deactivate(priv(trans), txq_id);
- iwl_trans_tx_queue_set_status(trans, &priv(trans)->txq[txq_id], 0, 0);
+ iwl_txq_ctx_deactivate(trans_pcie, txq_id);
+ iwl_trans_tx_queue_set_status(trans, &trans_pcie->txq[txq_id], 0, 0);
}
int iwl_trans_pcie_tx_agg_disable(struct iwl_trans *trans,
enum iwl_rxon_context_id ctx, int sta_id,
int tid)
{
+ struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
unsigned long flags;
int read_ptr, write_ptr;
struct iwl_tid_data *tid_data;
@@ -621,8 +626,8 @@
"or starting\n");
}
- write_ptr = priv(trans)->txq[txq_id].q.write_ptr;
- read_ptr = priv(trans)->txq[txq_id].q.read_ptr;
+ write_ptr = trans_pcie->txq[txq_id].q.write_ptr;
+ read_ptr = trans_pcie->txq[txq_id].q.read_ptr;
/* The queue is not empty */
if (write_ptr != read_ptr) {
@@ -663,7 +668,8 @@
*/
static int iwl_enqueue_hcmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd)
{
- struct iwl_tx_queue *txq = &priv(trans)->txq[trans->shrd->cmd_queue];
+ struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
+ struct iwl_tx_queue *txq = &trans_pcie->txq[trans->shrd->cmd_queue];
struct iwl_queue *q = &txq->q;
struct iwl_device_cmd *out_cmd;
struct iwl_cmd_meta *out_meta;
@@ -852,7 +858,9 @@
*/
static void iwl_hcmd_queue_reclaim(struct iwl_priv *priv, int txq_id, int idx)
{
- struct iwl_tx_queue *txq = &priv->txq[txq_id];
+ struct iwl_trans_pcie *trans_pcie =
+ IWL_TRANS_GET_PCIE_TRANS(trans(priv));
+ struct iwl_tx_queue *txq = &trans_pcie->txq[txq_id];
struct iwl_queue *q = &txq->q;
int nfreed = 0;
@@ -893,7 +901,8 @@
struct iwl_device_cmd *cmd;
struct iwl_cmd_meta *meta;
struct iwl_trans *trans = trans(priv);
- struct iwl_tx_queue *txq = &priv->txq[trans->shrd->cmd_queue];
+ struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
+ struct iwl_tx_queue *txq = &trans_pcie->txq[trans->shrd->cmd_queue];
unsigned long flags;
/* If a Tx command is being handled and it isn't in the actual
@@ -902,8 +911,8 @@
if (WARN(txq_id != trans->shrd->cmd_queue,
"wrong command queue %d (should be %d), sequence 0x%X readp=%d writep=%d\n",
txq_id, trans->shrd->cmd_queue, sequence,
- priv->txq[trans->shrd->cmd_queue].q.read_ptr,
- priv->txq[trans->shrd->cmd_queue].q.write_ptr)) {
+ trans_pcie->txq[trans->shrd->cmd_queue].q.read_ptr,
+ trans_pcie->txq[trans->shrd->cmd_queue].q.write_ptr)) {
iwl_print_hex_error(priv, pkt, 32);
return;
}
@@ -1072,6 +1081,7 @@
static int iwl_send_cmd_sync(struct iwl_trans *trans, struct iwl_host_cmd *cmd)
{
+ struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
int cmd_idx;
int ret;
@@ -1144,7 +1154,7 @@
* in later, it will possibly set an invalid
* address (cmd->meta.source).
*/
- priv(trans)->txq[trans->shrd->cmd_queue].meta[cmd_idx].flags &=
+ trans_pcie->txq[trans->shrd->cmd_queue].meta[cmd_idx].flags &=
~CMD_WANT_SKB;
}
fail:
@@ -1181,7 +1191,8 @@
int iwl_tx_queue_reclaim(struct iwl_trans *trans, int txq_id, int index,
struct sk_buff_head *skbs)
{
- struct iwl_tx_queue *txq = &priv(trans)->txq[txq_id];
+ struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
+ struct iwl_tx_queue *txq = &trans_pcie->txq[txq_id];
struct iwl_queue *q = &txq->q;
int last_to_free;
int freed = 0;