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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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39
drivers/net/wireless/rt2x00/rt61pci.c
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@@ -1696,24 +1696,10 @@ static int rt61pci_enable_radio(struct rt2x00_dev *rt2x00dev)
static void rt61pci_disable_radio(struct rt2x00_dev *rt2x00dev)
{
u32 reg;
/*
* Disable power
*/
rt2x00pci_register_write(rt2x00dev, MAC_CSR10, 0x00001818);
/*
* Disable synchronisation.
*/
rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, 0);
/*
* Cancel RX and TX.
*/
rt2x00pci_register_read(rt2x00dev, TX_CNTL_CSR, &reg);
rt2x00_set_field32(&reg, TX_CNTL_CSR_ABORT_TX_AC0, 1);
rt2x00_set_field32(&reg, TX_CNTL_CSR_ABORT_TX_AC1, 1);
rt2x00_set_field32(&reg, TX_CNTL_CSR_ABORT_TX_AC2, 1);
rt2x00_set_field32(&reg, TX_CNTL_CSR_ABORT_TX_AC3, 1);
rt2x00pci_register_write(rt2x00dev, TX_CNTL_CSR, reg);
}
static int rt61pci_set_state(struct rt2x00_dev *rt2x00dev, enum dev_state state)
@@ -1936,6 +1922,24 @@ static void rt61pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
rt2x00pci_register_write(rt2x00dev, TX_CNTL_CSR, reg);
}
static void rt61pci_kill_tx_queue(struct rt2x00_dev *rt2x00dev,
const enum data_queue_qid qid)
{
u32 reg;
if (qid == QID_BEACON) {
rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, 0);
return;
}
rt2x00pci_register_read(rt2x00dev, TX_CNTL_CSR, &reg);
rt2x00_set_field32(&reg, TX_CNTL_CSR_ABORT_TX_AC0, (qid == QID_AC_BE));
rt2x00_set_field32(&reg, TX_CNTL_CSR_ABORT_TX_AC1, (qid == QID_AC_BK));
rt2x00_set_field32(&reg, TX_CNTL_CSR_ABORT_TX_AC2, (qid == QID_AC_VI));
rt2x00_set_field32(&reg, TX_CNTL_CSR_ABORT_TX_AC3, (qid == QID_AC_VO));
rt2x00pci_register_write(rt2x00dev, TX_CNTL_CSR, reg);
}
/*
* RX control handlers
*/
@@ -2761,6 +2765,7 @@ static const struct rt2x00lib_ops rt61pci_rt2x00_ops = {
.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,
.fill_rxdone = rt61pci_fill_rxdone,
.config_shared_key = rt61pci_config_shared_key,
.config_pairwise_key = rt61pci_config_pairwise_key,