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rt2x00: Add kill_tx_queue callback function

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provide rt2x00lib the possibility to kill a particular TX queue.
This can be useful when disabling the radio, but more importantly
will allow beaconing to be disabled when mac80211 requests this
(during scanning for example)

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Ivo van Doorn
2009-01-28 00:32:33 +01:00
committed by John W. Linville
parent 382fe0f2da
commit a2c9b652a1
12 changed files with 148 additions and 75 deletions
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32
drivers/net/wireless/rt2x00/rt2400pci.c
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@ -934,21 +934,10 @@ static int rt2400pci_enable_radio(struct rt2x00_dev *rt2x00dev)
static void rt2400pci_disable_radio(struct rt2x00_dev *rt2x00dev)
{
u32 reg;
/*
* Disable power
*/
rt2x00pci_register_write(rt2x00dev, PWRCSR0, 0);
/*
* Disable synchronisation.
*/
rt2x00pci_register_write(rt2x00dev, CSR14, 0);
/*
* Cancel RX and TX.
*/
rt2x00pci_register_read(rt2x00dev, TXCSR0, &reg);
rt2x00_set_field32(&reg, TXCSR0_ABORT, 1);
rt2x00pci_register_write(rt2x00dev, TXCSR0, reg);
}
static int rt2400pci_set_state(struct rt2x00_dev *rt2x00dev,
@ -1145,6 +1134,20 @@ static void rt2400pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
rt2x00pci_register_write(rt2x00dev, TXCSR0, reg);
}
static void rt2400pci_kill_tx_queue(struct rt2x00_dev *rt2x00dev,
const enum data_queue_qid qid)
{
u32 reg;
if (qid == QID_BEACON) {
rt2x00pci_register_write(rt2x00dev, CSR14, 0);
} else {
rt2x00pci_register_read(rt2x00dev, TXCSR0, &reg);
rt2x00_set_field32(&reg, TXCSR0_ABORT, 1);
rt2x00pci_register_write(rt2x00dev, TXCSR0, reg);
}
}
/*
* RX control handlers
*/
@ -1606,6 +1609,7 @@ static const struct rt2x00lib_ops rt2400pci_rt2x00_ops = {
.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,
.fill_rxdone = rt2400pci_fill_rxdone,
.config_filter = rt2400pci_config_filter,
.config_intf = rt2400pci_config_intf,