static int rt2x00lib_probe_hw(struct rt2x00_dev *rt2x00dev)
{
struct hw_mode_spec *spec = &rt2x00dev->spec;
int status;
/*
* Initialize HW modes.
*/
status = rt2x00lib_probe_hw_modes(rt2x00dev, spec);
if (status)
return status;
/*
* Initialize HW fields.
*/
rt2x00dev->hw->queues = rt2x00dev->ops->tx_queues;
/*
* Register HW.
*/
status = ieee80211_register_hw(rt2x00dev->hw);
if (status) {
rt2x00lib_remove_hw(rt2x00dev);
return status;
}
__set_bit(DEVICE_REGISTERED_HW, &rt2x00dev->flags);
return 0;
}
static int rt2x00lib_probe_hw(struct rt2x00_dev *rt2x00dev)
{
struct hw_mode_spec *spec = &rt2x00dev->spec;
int status;
if (test_bit(DEVICE_STATE_REGISTERED_HW, &rt2x00dev->flags))
return 0;
/*
* Initialize HW modes.
*/
status = rt2x00lib_probe_hw_modes(rt2x00dev, spec);
if (status)
return status;
/*
* Initialize HW fields.
*/
rt2x00dev->hw->queues = rt2x00dev->ops->tx_queues;
/*
* Initialize extra TX headroom required.
*/
rt2x00dev->hw->extra_tx_headroom =
max_t(unsigned int, IEEE80211_TX_STATUS_HEADROOM,
rt2x00dev->ops->extra_tx_headroom);
/*
* Take TX headroom required for alignment into account.
*/
if (test_bit(DRIVER_REQUIRE_L2PAD, &rt2x00dev->flags))
rt2x00dev->hw->extra_tx_headroom += RT2X00_L2PAD_SIZE;
else if (test_bit(DRIVER_REQUIRE_DMA, &rt2x00dev->flags))
rt2x00dev->hw->extra_tx_headroom += RT2X00_ALIGN_SIZE;
/*
* Register HW.
*/
status = ieee80211_register_hw(rt2x00dev->hw);
if (status)
return status;
set_bit(DEVICE_STATE_REGISTERED_HW, &rt2x00dev->flags);
return 0;
}
static int rt2x00lib_probe_hw(struct rt2x00_dev *rt2x00dev)
{
struct hw_mode_spec *spec = &rt2x00dev->spec;
int status;
if (test_bit(DEVICE_STATE_REGISTERED_HW, &rt2x00dev->flags))
return 0;
/*
* Initialize HW modes.
*/
status = rt2x00lib_probe_hw_modes(rt2x00dev, spec);
if (status)
return status;
/*
* Initialize HW fields.
*/
rt2x00dev->hw->queues = rt2x00dev->ops->tx_queues;
/*
* Initialize extra TX headroom required.
*/
rt2x00dev->hw->extra_tx_headroom = rt2x00dev->ops->extra_tx_headroom;
/*
* Register HW.
*/
status = ieee80211_register_hw(rt2x00dev->hw);
if (status)
return status;
set_bit(DEVICE_STATE_REGISTERED_HW, &rt2x00dev->flags);
return 0;
}
static int rt2x00lib_probe_hw(struct rt2x00_dev *rt2x00dev)
{
struct hw_mode_spec *spec = &rt2x00dev->spec;
int status;
if (test_bit(DEVICE_STATE_REGISTERED_HW, &rt2x00dev->flags))
return 0;
/*
* Initialize HW modes.
*/
status = rt2x00lib_probe_hw_modes(rt2x00dev, spec);
if (status)
return status;
/*
* Initialize HW fields.
*/
rt2x00dev->hw->queues = rt2x00dev->ops->tx_queues;
/*
* Initialize extra TX headroom required.
*/
rt2x00dev->hw->extra_tx_headroom =
max_t(unsigned int, IEEE80211_TX_STATUS_HEADROOM,
rt2x00dev->ops->extra_tx_headroom);
/*
* Take TX headroom required for alignment into account.
*/
if (test_bit(REQUIRE_L2PAD, &rt2x00dev->cap_flags))
rt2x00dev->hw->extra_tx_headroom += RT2X00_L2PAD_SIZE;
else if (test_bit(REQUIRE_DMA, &rt2x00dev->cap_flags))
rt2x00dev->hw->extra_tx_headroom += RT2X00_ALIGN_SIZE;
/*
* Tell mac80211 about the size of our private STA structure.
*/
rt2x00dev->hw->sta_data_size = sizeof(struct rt2x00_sta);
/*
* Allocate tx status FIFO for driver use.
*/
if (test_bit(REQUIRE_TXSTATUS_FIFO, &rt2x00dev->cap_flags)) {
/*
* Allocate the txstatus fifo. In the worst case the tx
* status fifo has to hold the tx status of all entries
* in all tx queues. Hence, calculate the kfifo size as
* tx_queues * entry_num and round up to the nearest
* power of 2.
*/
int kfifo_size =
roundup_pow_of_two(rt2x00dev->ops->tx_queues *
rt2x00dev->ops->tx->entry_num *
sizeof(u32));
status = kfifo_alloc(&rt2x00dev->txstatus_fifo, kfifo_size,
GFP_KERNEL);
if (status)
return status;
}
/*
* Initialize tasklets if used by the driver. Tasklets are
* disabled until the interrupts are turned on. The driver
* has to handle that.
*/
#define RT2X00_TASKLET_INIT(taskletname) \
if (rt2x00dev->ops->lib->taskletname) { \
tasklet_init(&rt2x00dev->taskletname, \
rt2x00dev->ops->lib->taskletname, \
(unsigned long)rt2x00dev); \
}
RT2X00_TASKLET_INIT(txstatus_tasklet);
RT2X00_TASKLET_INIT(pretbtt_tasklet);
RT2X00_TASKLET_INIT(tbtt_tasklet);
RT2X00_TASKLET_INIT(rxdone_tasklet);
RT2X00_TASKLET_INIT(autowake_tasklet);
#undef RT2X00_TASKLET_INIT
/*
* Register HW.
*/
status = ieee80211_register_hw(rt2x00dev->hw);
if (status)
return status;
set_bit(DEVICE_STATE_REGISTERED_HW, &rt2x00dev->flags);
return 0;
}
static int rt2x00lib_probe_hw(struct rt2x00_dev *rt2x00dev)
{
struct hw_mode_spec *spec = &rt2x00dev->spec;
int status;
if (test_bit(DEVICE_STATE_REGISTERED_HW, &rt2x00dev->flags))
return 0;
/*
* Initialize HW modes.
*/
status = rt2x00lib_probe_hw_modes(rt2x00dev, spec);
if (status)
return status;
/*
* Initialize HW fields.
*/
rt2x00dev->hw->queues = rt2x00dev->ops->tx_queues;
/*
* Initialize extra TX headroom required.
*/
rt2x00dev->hw->extra_tx_headroom =
max_t(unsigned int, IEEE80211_TX_STATUS_HEADROOM,
rt2x00dev->ops->extra_tx_headroom);
/*
* Take TX headroom required for alignment into account.
*/
if (test_bit(DRIVER_REQUIRE_L2PAD, &rt2x00dev->flags))
rt2x00dev->hw->extra_tx_headroom += RT2X00_L2PAD_SIZE;
else if (test_bit(DRIVER_REQUIRE_DMA, &rt2x00dev->flags))
rt2x00dev->hw->extra_tx_headroom += RT2X00_ALIGN_SIZE;
/*
* Allocate tx status FIFO for driver use.
*/
if (test_bit(DRIVER_REQUIRE_TXSTATUS_FIFO, &rt2x00dev->flags) &&
rt2x00dev->ops->lib->txstatus_tasklet) {
/*
* Allocate txstatus fifo and tasklet, we use a size of 512
* for the kfifo which is big enough to store 512/4=128 tx
* status reports. In the worst case (tx status for all tx
* queues gets reported before we've got a chance to handle
* them) 24*4=384 tx status reports need to be cached.
*/
status = kfifo_alloc(&rt2x00dev->txstatus_fifo, 512,
GFP_KERNEL);
if (status)
return status;
/* tasklet for processing the tx status reports. */
tasklet_init(&rt2x00dev->txstatus_tasklet,
rt2x00dev->ops->lib->txstatus_tasklet,
(unsigned long)rt2x00dev);
}
/*
* Register HW.
*/
status = ieee80211_register_hw(rt2x00dev->hw);
if (status)
return status;
set_bit(DEVICE_STATE_REGISTERED_HW, &rt2x00dev->flags);
return 0;
}