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rt2x00: Merge PCI and USB versions of write_tx_data into single function. 

Now that rt2x00pci_write_tx_data and rt2x00usb_write_tx_data are similar
we can merge them in a single function in rt2x00queue.c.

Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Gertjan van Wingerde 2010-06-29 21:41:05 +02:00 committed by John W. Linville
parent fe7256971f
commit 78eea11b0e
12 changed files with 41 additions and 93 deletions
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1
drivers/net/wireless/rt2x00/rt2400pci.c
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@ -1588,7 +1588,6 @@ static const struct rt2x00lib_ops rt2400pci_rt2x00_ops = {
.reset_tuner = rt2400pci_reset_tuner,
.link_tuner = rt2400pci_link_tuner,
.write_tx_desc = rt2400pci_write_tx_desc,
.write_tx_data = rt2x00pci_write_tx_data,
.write_beacon = rt2400pci_write_beacon,
.kick_tx_queue = rt2400pci_kick_tx_queue,
.kill_tx_queue = rt2400pci_kill_tx_queue,

1
drivers/net/wireless/rt2x00/rt2500pci.c
View File

@ -1886,7 +1886,6 @@ static const struct rt2x00lib_ops rt2500pci_rt2x00_ops = {
.reset_tuner = rt2500pci_reset_tuner,
.link_tuner = rt2500pci_link_tuner,
.write_tx_desc = rt2500pci_write_tx_desc,
.write_tx_data = rt2x00pci_write_tx_data,
.write_beacon = rt2500pci_write_beacon,
.kick_tx_queue = rt2500pci_kick_tx_queue,
.kill_tx_queue = rt2500pci_kill_tx_queue,

1
drivers/net/wireless/rt2x00/rt2500usb.c
View File

@ -1779,7 +1779,6 @@ static const struct rt2x00lib_ops rt2500usb_rt2x00_ops = {
.link_stats = rt2500usb_link_stats,
.reset_tuner = rt2500usb_reset_tuner,
.write_tx_desc = rt2500usb_write_tx_desc,
.write_tx_data = rt2x00usb_write_tx_data,
.write_beacon = rt2500usb_write_beacon,
.get_tx_data_len = rt2500usb_get_tx_data_len,
.kick_tx_queue = rt2x00usb_kick_tx_queue,

1
drivers/net/wireless/rt2x00/rt2800pci.c
View File

@ -1044,7 +1044,6 @@ static const struct rt2x00lib_ops rt2800pci_rt2x00_ops = {
.reset_tuner = rt2800_reset_tuner,
.link_tuner = rt2800_link_tuner,
.write_tx_desc = rt2800pci_write_tx_desc,
.write_tx_data = rt2x00pci_write_tx_data,
.write_tx_datadesc = rt2800pci_write_tx_datadesc,
.write_beacon = rt2800_write_beacon,
.kick_tx_queue = rt2800pci_kick_tx_queue,

1
drivers/net/wireless/rt2x00/rt2800usb.c
View File

@ -652,7 +652,6 @@ static const struct rt2x00lib_ops rt2800usb_rt2x00_ops = {
.reset_tuner = rt2800_reset_tuner,
.link_tuner = rt2800_link_tuner,
.write_tx_desc = rt2800usb_write_tx_desc,
.write_tx_data = rt2x00usb_write_tx_data,
.write_beacon = rt2800_write_beacon,
.get_tx_data_len = rt2800usb_get_tx_data_len,
.kick_tx_queue = rt2x00usb_kick_tx_queue,

43
drivers/net/wireless/rt2x00/rt2x00pci.c
View File

@ -60,49 +60,6 @@ int rt2x00pci_regbusy_read(struct rt2x00_dev *rt2x00dev,
}
EXPORT_SYMBOL_GPL(rt2x00pci_regbusy_read);
/*
* TX data handlers.
*/
int rt2x00pci_write_tx_data(struct queue_entry *entry,
struct txentry_desc *txdesc)
{
struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
/*
* This should not happen, we already checked the entry
* was ours. When the hardware disagrees there has been
* a queue corruption!
*/
if (unlikely(rt2x00dev->ops->lib->get_entry_state(entry))) {
ERROR(rt2x00dev,
"Corrupt queue %d, accessing entry which is not ours.\n"
"Please file bug report to %s.\n",
entry->queue->qid, DRV_PROJECT);
return -EINVAL;
}
/*
* Add the requested extra tx headroom in front of the skb.
*/
skb_push(entry->skb, rt2x00dev->ops->extra_tx_headroom);
memset(entry->skb->data, 0, rt2x00dev->ops->extra_tx_headroom);
/*
* Call the driver's write_tx_datadesc function, if it exists.
*/
if (rt2x00dev->ops->lib->write_tx_datadesc)
rt2x00dev->ops->lib->write_tx_datadesc(entry, txdesc);
/*
* Map the skb to DMA.
*/
if (test_bit(DRIVER_REQUIRE_DMA, &rt2x00dev->flags))
rt2x00queue_map_txskb(rt2x00dev, entry->skb);
return 0;
}
EXPORT_SYMBOL_GPL(rt2x00pci_write_tx_data);
/*
* TX/RX data handlers.
*/

10
drivers/net/wireless/rt2x00/rt2x00pci.h
View File

@ -85,16 +85,6 @@ int rt2x00pci_regbusy_read(struct rt2x00_dev *rt2x00dev,
const struct rt2x00_field32 field,
u32 *reg);
/**
* rt2x00pci_write_tx_data - Initialize data for TX operation
* @entry: The entry where the frame is located
*
* This function will initialize the DMA and skb descriptor
* to prepare the entry for the actual TX operation.
*/
int rt2x00pci_write_tx_data(struct queue_entry *entry,
struct txentry_desc *txdesc);
/**
* struct queue_entry_priv_pci: Per entry PCI specific information
*

43
drivers/net/wireless/rt2x00/rt2x00queue.c
View File

@ -404,6 +404,46 @@ static void rt2x00queue_create_tx_descriptor(struct queue_entry *entry,
rt2x00queue_create_tx_descriptor_plcp(entry, txdesc, hwrate);
}
static int rt2x00queue_write_tx_data(struct queue_entry *entry,
struct txentry_desc *txdesc)
{
struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
/*
* This should not happen, we already checked the entry
* was ours. When the hardware disagrees there has been
* a queue corruption!
*/
if (unlikely(rt2x00dev->ops->lib->get_entry_state &&
rt2x00dev->ops->lib->get_entry_state(entry))) {
ERROR(rt2x00dev,
"Corrupt queue %d, accessing entry which is not ours.\n"
"Please file bug report to %s.\n",
entry->queue->qid, DRV_PROJECT);
return -EINVAL;
}
/*
* Add the requested extra tx headroom in front of the skb.
*/
skb_push(entry->skb, rt2x00dev->ops->extra_tx_headroom);
memset(entry->skb->data, 0, rt2x00dev->ops->extra_tx_headroom);
/*
* Call the driver's write_tx_datadesc function, if it exists.
*/
if (rt2x00dev->ops->lib->write_tx_datadesc)
rt2x00dev->ops->lib->write_tx_datadesc(entry, txdesc);
/*
* Map the skb to DMA.
*/
if (test_bit(DRIVER_REQUIRE_DMA, &rt2x00dev->flags))
rt2x00queue_map_txskb(rt2x00dev, entry->skb);
return 0;
}
static void rt2x00queue_write_tx_descriptor(struct queue_entry *entry,
struct txentry_desc *txdesc)
{
@ -515,8 +555,7 @@ int rt2x00queue_write_tx_frame(struct data_queue *queue, struct sk_buff *skb,
* call failed. Since we always return NETDEV_TX_OK to mac80211,
* this frame will simply be dropped.
*/
if (unlikely(queue->rt2x00dev->ops->lib->write_tx_data(entry,
&txdesc))) {
if (unlikely(rt2x00queue_write_tx_data(entry, &txdesc))) {
clear_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags);
entry->skb = NULL;
return -EIO;

21
drivers/net/wireless/rt2x00/rt2x00usb.c
View File

@ -207,27 +207,6 @@ static void rt2x00usb_interrupt_txdone(struct urb *urb)
rt2x00lib_txdone(entry, &txdesc);
}
int rt2x00usb_write_tx_data(struct queue_entry *entry,
struct txentry_desc *txdesc)
{
struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
/*
* Add the descriptor in front of the skb.
*/
skb_push(entry->skb, entry->queue->desc_size);
memset(entry->skb->data, 0, entry->queue->desc_size);
/*
* Call the driver's write_tx_datadesc function, if it exists.
*/
if (rt2x00dev->ops->lib->write_tx_datadesc)
rt2x00dev->ops->lib->write_tx_datadesc(entry, txdesc);
return 0;
}
EXPORT_SYMBOL_GPL(rt2x00usb_write_tx_data);
static inline void rt2x00usb_kick_tx_entry(struct queue_entry *entry)
{
struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;

10
drivers/net/wireless/rt2x00/rt2x00usb.h
View File

@ -350,16 +350,6 @@ int rt2x00usb_regbusy_read(struct rt2x00_dev *rt2x00dev,
*/
void rt2x00usb_disable_radio(struct rt2x00_dev *rt2x00dev);
/**
* rt2x00usb_write_tx_data - Initialize URB for TX operation
* @entry: The entry where the frame is located
*
* This function will initialize the URB and skb descriptor
* to prepare the entry for the actual TX operation.
*/
int rt2x00usb_write_tx_data(struct queue_entry *entry,
struct txentry_desc *txdesc);
/**
* struct queue_entry_priv_usb: Per entry USB specific information
*

1
drivers/net/wireless/rt2x00/rt61pci.c
View File

@ -2800,7 +2800,6 @@ static const struct rt2x00lib_ops rt61pci_rt2x00_ops = {
.reset_tuner = rt61pci_reset_tuner,
.link_tuner = rt61pci_link_tuner,
.write_tx_desc = rt61pci_write_tx_desc,
.write_tx_data = rt2x00pci_write_tx_data,
.write_beacon = rt61pci_write_beacon,
.kick_tx_queue = rt61pci_kick_tx_queue,
.kill_tx_queue = rt61pci_kill_tx_queue,

1
drivers/net/wireless/rt2x00/rt73usb.c
View File

@ -2249,7 +2249,6 @@ static const struct rt2x00lib_ops rt73usb_rt2x00_ops = {
.reset_tuner = rt73usb_reset_tuner,
.link_tuner = rt73usb_link_tuner,
.write_tx_desc = rt73usb_write_tx_desc,
.write_tx_data = rt2x00usb_write_tx_data,
.write_beacon = rt73usb_write_beacon,
.get_tx_data_len = rt73usb_get_tx_data_len,
.kick_tx_queue = rt2x00usb_kick_tx_queue,