iwlagn: iwl_rx_queue moves to the iwl_trans_pcie
Since this struct is specific to pcie transport, move it the the pcie
specific 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.c b/drivers/net/wireless/iwlwifi/iwl-trans.c
index eeeb130..95d7b04 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans.c
+++ b/drivers/net/wireless/iwlwifi/iwl-trans.c
@@ -73,12 +73,14 @@
#include "iwl-core.h"
#include "iwl-shared.h"
-static int iwl_trans_rx_alloc(struct iwl_priv *priv)
+static int iwl_trans_rx_alloc(struct iwl_trans *trans)
{
- struct iwl_rx_queue *rxq = &priv->rxq;
- struct device *dev = priv->bus->dev;
+ struct iwl_trans_pcie *trans_pcie =
+ IWL_TRANS_GET_PCIE_TRANS(trans);
+ struct iwl_rx_queue *rxq = &trans_pcie->rxq;
+ struct device *dev = bus(trans)->dev;
- memset(&priv->rxq, 0, sizeof(priv->rxq));
+ memset(&trans_pcie->rxq, 0, sizeof(trans_pcie->rxq));
spin_lock_init(&rxq->lock);
INIT_LIST_HEAD(&rxq->rx_free);
@@ -112,9 +114,11 @@
return -ENOMEM;
}
-static void iwl_trans_rxq_free_rx_bufs(struct iwl_priv *priv)
+static void iwl_trans_rxq_free_rx_bufs(struct iwl_trans *trans)
{
- struct iwl_rx_queue *rxq = &priv->rxq;
+ struct iwl_trans_pcie *trans_pcie =
+ IWL_TRANS_GET_PCIE_TRANS(trans);
+ struct iwl_rx_queue *rxq = &trans_pcie->rxq;
int i;
/* Fill the rx_used queue with _all_ of the Rx buffers */
@@ -122,10 +126,10 @@
/* In the reset function, these buffers may have been allocated
* to an SKB, so we need to unmap and free potential storage */
if (rxq->pool[i].page != NULL) {
- dma_unmap_page(priv->bus->dev, rxq->pool[i].page_dma,
- PAGE_SIZE << hw_params(priv).rx_page_order,
+ dma_unmap_page(bus(trans)->dev, rxq->pool[i].page_dma,
+ PAGE_SIZE << hw_params(trans).rx_page_order,
DMA_FROM_DEVICE);
- __iwl_free_pages(priv, rxq->pool[i].page);
+ __iwl_free_pages(priv(trans), rxq->pool[i].page);
rxq->pool[i].page = NULL;
}
list_add_tail(&rxq->pool[i].list, &rxq->rx_used);
@@ -181,14 +185,17 @@
iwl_write8(priv, CSR_INT_COALESCING, IWL_HOST_INT_TIMEOUT_DEF);
}
-static int iwl_rx_init(struct iwl_priv *priv)
+static int iwl_rx_init(struct iwl_trans *trans)
{
- struct iwl_rx_queue *rxq = &priv->rxq;
+ struct iwl_trans_pcie *trans_pcie =
+ IWL_TRANS_GET_PCIE_TRANS(trans);
+ struct iwl_rx_queue *rxq = &trans_pcie->rxq;
+
int i, err;
unsigned long flags;
if (!rxq->bd) {
- err = iwl_trans_rx_alloc(priv);
+ err = iwl_trans_rx_alloc(trans);
if (err)
return err;
}
@@ -197,7 +204,7 @@
INIT_LIST_HEAD(&rxq->rx_free);
INIT_LIST_HEAD(&rxq->rx_used);
- iwl_trans_rxq_free_rx_bufs(priv);
+ iwl_trans_rxq_free_rx_bufs(trans);
for (i = 0; i < RX_QUEUE_SIZE; i++)
rxq->queue[i] = NULL;
@@ -209,45 +216,48 @@
rxq->free_count = 0;
spin_unlock_irqrestore(&rxq->lock, flags);
- iwlagn_rx_replenish(priv);
+ iwlagn_rx_replenish(trans);
- iwl_trans_rx_hw_init(priv, rxq);
+ iwl_trans_rx_hw_init(priv(trans), rxq);
- spin_lock_irqsave(&priv->shrd->lock, flags);
+ spin_lock_irqsave(&trans->shrd->lock, flags);
rxq->need_update = 1;
- iwl_rx_queue_update_write_ptr(priv, rxq);
- spin_unlock_irqrestore(&priv->shrd->lock, flags);
+ iwl_rx_queue_update_write_ptr(trans, rxq);
+ spin_unlock_irqrestore(&trans->shrd->lock, flags);
return 0;
}
-static void iwl_trans_pcie_rx_free(struct iwl_priv *priv)
+static void iwl_trans_pcie_rx_free(struct iwl_trans *trans)
{
- struct iwl_rx_queue *rxq = &priv->rxq;
+ struct iwl_trans_pcie *trans_pcie =
+ IWL_TRANS_GET_PCIE_TRANS(trans);
+ struct iwl_rx_queue *rxq = &trans_pcie->rxq;
+
unsigned long flags;
/*if rxq->bd is NULL, it means that nothing has been allocated,
* exit now */
if (!rxq->bd) {
- IWL_DEBUG_INFO(priv, "Free NULL rx context\n");
+ IWL_DEBUG_INFO(trans, "Free NULL rx context\n");
return;
}
spin_lock_irqsave(&rxq->lock, flags);
- iwl_trans_rxq_free_rx_bufs(priv);
+ iwl_trans_rxq_free_rx_bufs(trans);
spin_unlock_irqrestore(&rxq->lock, flags);
- dma_free_coherent(priv->bus->dev, sizeof(__le32) * RX_QUEUE_SIZE,
+ dma_free_coherent(bus(trans)->dev, sizeof(__le32) * RX_QUEUE_SIZE,
rxq->bd, rxq->bd_dma);
memset(&rxq->bd_dma, 0, sizeof(rxq->bd_dma));
rxq->bd = NULL;
if (rxq->rb_stts)
- dma_free_coherent(priv->bus->dev,
+ dma_free_coherent(bus(trans)->dev,
sizeof(struct iwl_rb_status),
rxq->rb_stts, rxq->rb_stts_dma);
else
- IWL_DEBUG_INFO(priv, "Free rxq->rb_stts which is NULL\n");
+ IWL_DEBUG_INFO(trans, "Free rxq->rb_stts which is NULL\n");
memset(&rxq->rb_stts_dma, 0, sizeof(rxq->rb_stts_dma));
rxq->rb_stts = NULL;
}
@@ -614,7 +624,7 @@
priv->cfg->lib->nic_config(priv);
/* Allocate the RX queue, or reset if it is already allocated */
- iwl_rx_init(priv);
+ iwl_rx_init(trans(priv));
/* Allocate or reset and init all Tx and Command queues */
if (iwl_tx_init(priv))
@@ -1120,6 +1130,8 @@
static int iwl_trans_pcie_request_irq(struct iwl_trans *trans)
{
+ struct iwl_trans_pcie *trans_pcie =
+ IWL_TRANS_GET_PCIE_TRANS(trans);
struct iwl_priv *priv = priv(trans);
int err;
@@ -1136,7 +1148,7 @@
return err;
}
- INIT_WORK(&priv->rx_replenish, iwl_bg_rx_replenish);
+ INIT_WORK(&trans_pcie->rx_replenish, iwl_bg_rx_replenish);
return 0;
}
@@ -1163,8 +1175,11 @@
sizeof(struct iwl_trans_pcie),
GFP_KERNEL);
if (iwl_trans) {
+ struct iwl_trans_pcie *trans_pcie =
+ IWL_TRANS_GET_PCIE_TRANS(iwl_trans);
iwl_trans->ops = &trans_ops_pcie;
iwl_trans->shrd = shrd;
+ trans_pcie->trans = iwl_trans;
}
return iwl_trans;
@@ -1173,7 +1188,7 @@
#ifdef CONFIG_IWLWIFI_DEBUGFS
/* create and remove of files */
#define DEBUGFS_ADD_FILE(name, parent, mode) do { \
- if (!debugfs_create_file(#name, mode, parent, priv, \
+ if (!debugfs_create_file(#name, mode, parent, trans, \
&iwl_dbgfs_##name##_ops)) \
return -ENOMEM; \
} while (0)
@@ -1218,12 +1233,15 @@
char __user *user_buf,
size_t count, loff_t *ppos)
{
- struct iwl_priv *priv = file->private_data;
+ struct iwl_trans *trans = file->private_data;
+ struct iwl_priv *priv = priv(trans);
int pos = 0, ofs = 0;
int cnt = 0, entry;
+ struct iwl_trans_pcie *trans_pcie =
+ IWL_TRANS_GET_PCIE_TRANS(trans);
struct iwl_tx_queue *txq;
struct iwl_queue *q;
- struct iwl_rx_queue *rxq = &priv->rxq;
+ struct iwl_rx_queue *rxq = &trans_pcie->rxq;
char *buf;
int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) +
(priv->cfg->base_params->num_of_queues * 32 * 8) + 400;
@@ -1231,16 +1249,16 @@
ssize_t ret;
if (!priv->txq) {
- IWL_ERR(priv, "txq not ready\n");
+ IWL_ERR(trans, "txq not ready\n");
return -EAGAIN;
}
buf = kzalloc(bufsz, GFP_KERNEL);
if (!buf) {
- IWL_ERR(priv, "Can not allocate buffer\n");
+ IWL_ERR(trans, "Can not allocate buffer\n");
return -ENOMEM;
}
pos += scnprintf(buf + pos, bufsz - pos, "Tx Queue\n");
- for (cnt = 0; cnt < hw_params(priv).max_txq_num; cnt++) {
+ for (cnt = 0; cnt < hw_params(trans).max_txq_num; cnt++) {
txq = &priv->txq[cnt];
q = &txq->q;
pos += scnprintf(buf + pos, bufsz - pos,
@@ -1248,10 +1266,10 @@
cnt, q->read_ptr, q->write_ptr);
}
if (priv->tx_traffic &&
- (iwl_get_debug_level(priv->shrd) & IWL_DL_TX)) {
+ (iwl_get_debug_level(trans->shrd) & IWL_DL_TX)) {
ptr = priv->tx_traffic;
pos += scnprintf(buf + pos, bufsz - pos,
- "Tx Traffic idx: %u\n", priv->tx_traffic_idx);
+ "Tx Traffic idx: %u\n", priv->tx_traffic_idx);
for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
entry++, ofs += 16) {
@@ -1272,10 +1290,10 @@
rxq->read, rxq->write);
if (priv->rx_traffic &&
- (iwl_get_debug_level(priv->shrd) & IWL_DL_RX)) {
+ (iwl_get_debug_level(trans->shrd) & IWL_DL_RX)) {
ptr = priv->rx_traffic;
pos += scnprintf(buf + pos, bufsz - pos,
- "Rx Traffic idx: %u\n", priv->rx_traffic_idx);
+ "Rx Traffic idx: %u\n", priv->rx_traffic_idx);
for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
entry++, ofs += 16) {
@@ -1299,7 +1317,7 @@
const char __user *user_buf,
size_t count, loff_t *ppos)
{
- struct iwl_priv *priv = file->private_data;
+ struct iwl_trans *trans = file->private_data;
char buf[8];
int buf_size;
int traffic_log;
@@ -1311,7 +1329,7 @@
if (sscanf(buf, "%d", &traffic_log) != 1)
return -EFAULT;
if (traffic_log == 0)
- iwl_reset_traffic_log(priv);
+ iwl_reset_traffic_log(priv(trans));
return count;
}
@@ -1320,7 +1338,8 @@
char __user *user_buf,
size_t count, loff_t *ppos) {
- struct iwl_priv *priv = file->private_data;
+ struct iwl_trans *trans = file->private_data;
+ struct iwl_priv *priv = priv(trans);
struct iwl_tx_queue *txq;
struct iwl_queue *q;
char *buf;
@@ -1338,7 +1357,7 @@
if (!buf)
return -ENOMEM;
- for (cnt = 0; cnt < hw_params(priv).max_txq_num; cnt++) {
+ for (cnt = 0; cnt < hw_params(trans).max_txq_num; cnt++) {
txq = &priv->txq[cnt];
q = &txq->q;
pos += scnprintf(buf + pos, bufsz - pos,
@@ -1363,8 +1382,10 @@
static ssize_t iwl_dbgfs_rx_queue_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos) {
- struct iwl_priv *priv = file->private_data;
- struct iwl_rx_queue *rxq = &priv->rxq;
+ struct iwl_trans *trans = file->private_data;
+ struct iwl_trans_pcie *trans_pcie =
+ IWL_TRANS_GET_PCIE_TRANS(trans);
+ struct iwl_rx_queue *rxq = &trans_pcie->rxq;
char buf[256];
int pos = 0;
const size_t bufsz = sizeof(buf);
@@ -1396,8 +1417,6 @@
static int iwl_trans_pcie_dbgfs_register(struct iwl_trans *trans,
struct dentry *dir)
{
- struct iwl_priv *priv = priv(trans);
-
DEBUGFS_ADD_FILE(traffic_log, dir, S_IWUSR | S_IRUSR);
DEBUGFS_ADD_FILE(rx_queue, dir, S_IRUSR);
DEBUGFS_ADD_FILE(tx_queue, dir, S_IRUSR);