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path: root/drivers/net/wireless/rt2x00/rt73usb.c
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Diffstat (limited to 'drivers/net/wireless/rt2x00/rt73usb.c')
-rw-r--r--drivers/net/wireless/rt2x00/rt73usb.c135
1 files changed, 62 insertions, 73 deletions
diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c
index bb58d797fb72..6e0d82efe924 100644
--- a/drivers/net/wireless/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/rt2x00/rt73usb.c
@@ -861,15 +861,15 @@ static void rt73usb_config_ps(struct rt2x00_dev *rt2x00dev,
rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0,
USB_MODE_SLEEP, REGISTER_TIMEOUT);
} else {
- rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0,
- USB_MODE_WAKEUP, REGISTER_TIMEOUT);
-
rt2x00usb_register_read(rt2x00dev, MAC_CSR11, &reg);
rt2x00_set_field32(&reg, MAC_CSR11_DELAY_AFTER_TBCN, 0);
rt2x00_set_field32(&reg, MAC_CSR11_TBCN_BEFORE_WAKEUP, 0);
rt2x00_set_field32(&reg, MAC_CSR11_AUTOWAKE, 0);
rt2x00_set_field32(&reg, MAC_CSR11_WAKEUP_LATENCY, 0);
rt2x00usb_register_write(rt2x00dev, MAC_CSR11, reg);
+
+ rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0,
+ USB_MODE_WAKEUP, REGISTER_TIMEOUT);
}
}
@@ -1366,7 +1366,7 @@ static void rt73usb_disable_radio(struct rt2x00_dev *rt2x00dev)
static int rt73usb_set_state(struct rt2x00_dev *rt2x00dev, enum dev_state state)
{
- u32 reg;
+ u32 reg, reg2;
unsigned int i;
char put_to_sleep;
@@ -1383,10 +1383,11 @@ static int rt73usb_set_state(struct rt2x00_dev *rt2x00dev, enum dev_state state)
* device has entered the correct state.
*/
for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
- rt2x00usb_register_read(rt2x00dev, MAC_CSR12, &reg);
- state = rt2x00_get_field32(reg, MAC_CSR12_BBP_CURRENT_STATE);
+ rt2x00usb_register_read(rt2x00dev, MAC_CSR12, &reg2);
+ state = rt2x00_get_field32(reg2, MAC_CSR12_BBP_CURRENT_STATE);
if (state == !put_to_sleep)
return 0;
+ rt2x00usb_register_write(rt2x00dev, MAC_CSR12, reg);
msleep(10);
}
@@ -1441,12 +1442,38 @@ static void rt73usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
struct txentry_desc *txdesc)
{
struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
- __le32 *txd = skbdesc->desc;
+ __le32 *txd = (__le32 *)(skb->data - TXD_DESC_SIZE);
u32 word;
/*
* Start writing the descriptor words.
*/
+ rt2x00_desc_read(txd, 0, &word);
+ rt2x00_set_field32(&word, TXD_W0_BURST,
+ test_bit(ENTRY_TXD_BURST, &txdesc->flags));
+ rt2x00_set_field32(&word, TXD_W0_VALID, 1);
+ rt2x00_set_field32(&word, TXD_W0_MORE_FRAG,
+ test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
+ rt2x00_set_field32(&word, TXD_W0_ACK,
+ test_bit(ENTRY_TXD_ACK, &txdesc->flags));
+ rt2x00_set_field32(&word, TXD_W0_TIMESTAMP,
+ test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
+ rt2x00_set_field32(&word, TXD_W0_OFDM,
+ (txdesc->rate_mode == RATE_MODE_OFDM));
+ rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs);
+ rt2x00_set_field32(&word, TXD_W0_RETRY_MODE,
+ test_bit(ENTRY_TXD_RETRY_MODE, &txdesc->flags));
+ rt2x00_set_field32(&word, TXD_W0_TKIP_MIC,
+ test_bit(ENTRY_TXD_ENCRYPT_MMIC, &txdesc->flags));
+ rt2x00_set_field32(&word, TXD_W0_KEY_TABLE,
+ test_bit(ENTRY_TXD_ENCRYPT_PAIRWISE, &txdesc->flags));
+ rt2x00_set_field32(&word, TXD_W0_KEY_INDEX, txdesc->key_idx);
+ rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, txdesc->length);
+ rt2x00_set_field32(&word, TXD_W0_BURST2,
+ test_bit(ENTRY_TXD_BURST, &txdesc->flags));
+ rt2x00_set_field32(&word, TXD_W0_CIPHER_ALG, txdesc->cipher);
+ rt2x00_desc_write(txd, 0, word);
+
rt2x00_desc_read(txd, 1, &word);
rt2x00_set_field32(&word, TXD_W1_HOST_Q_ID, txdesc->queue);
rt2x00_set_field32(&word, TXD_W1_AIFSN, txdesc->aifs);
@@ -1475,51 +1502,24 @@ static void rt73usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
rt2x00_set_field32(&word, TXD_W5_WAITING_DMA_DONE_INT, 1);
rt2x00_desc_write(txd, 5, word);
- rt2x00_desc_read(txd, 0, &word);
- rt2x00_set_field32(&word, TXD_W0_BURST,
- test_bit(ENTRY_TXD_BURST, &txdesc->flags));
- rt2x00_set_field32(&word, TXD_W0_VALID, 1);
- rt2x00_set_field32(&word, TXD_W0_MORE_FRAG,
- test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
- rt2x00_set_field32(&word, TXD_W0_ACK,
- test_bit(ENTRY_TXD_ACK, &txdesc->flags));
- rt2x00_set_field32(&word, TXD_W0_TIMESTAMP,
- test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
- rt2x00_set_field32(&word, TXD_W0_OFDM,
- (txdesc->rate_mode == RATE_MODE_OFDM));
- rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs);
- rt2x00_set_field32(&word, TXD_W0_RETRY_MODE,
- test_bit(ENTRY_TXD_RETRY_MODE, &txdesc->flags));
- rt2x00_set_field32(&word, TXD_W0_TKIP_MIC,
- test_bit(ENTRY_TXD_ENCRYPT_MMIC, &txdesc->flags));
- rt2x00_set_field32(&word, TXD_W0_KEY_TABLE,
- test_bit(ENTRY_TXD_ENCRYPT_PAIRWISE, &txdesc->flags));
- rt2x00_set_field32(&word, TXD_W0_KEY_INDEX, txdesc->key_idx);
- rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, skb->len);
- rt2x00_set_field32(&word, TXD_W0_BURST2,
- test_bit(ENTRY_TXD_BURST, &txdesc->flags));
- rt2x00_set_field32(&word, TXD_W0_CIPHER_ALG, txdesc->cipher);
- rt2x00_desc_write(txd, 0, word);
+ /*
+ * Register descriptor details in skb frame descriptor.
+ */
+ skbdesc->desc = txd;
+ skbdesc->desc_len = TXD_DESC_SIZE;
}
/*
* TX data initialization
*/
-static void rt73usb_write_beacon(struct queue_entry *entry)
+static void rt73usb_write_beacon(struct queue_entry *entry,
+ struct txentry_desc *txdesc)
{
struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
- struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
unsigned int beacon_base;
u32 reg;
/*
- * Add the descriptor in front of the skb.
- */
- skb_push(entry->skb, entry->queue->desc_size);
- memcpy(entry->skb->data, skbdesc->desc, skbdesc->desc_len);
- skbdesc->desc = entry->skb->data;
-
- /*
* Disable beaconing while we are reloading the beacon data,
* otherwise we might be sending out invalid data.
*/
@@ -1528,6 +1528,11 @@ static void rt73usb_write_beacon(struct queue_entry *entry)
rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
/*
+ * Take the descriptor in front of the skb into account.
+ */
+ skb_push(entry->skb, TXD_DESC_SIZE);
+
+ /*
* Write entire beacon with descriptor to register.
*/
beacon_base = HW_BEACON_OFFSET(entry->entry_idx);
@@ -1537,6 +1542,19 @@ static void rt73usb_write_beacon(struct queue_entry *entry)
REGISTER_TIMEOUT32(entry->skb->len));
/*
+ * Enable beaconing again.
+ *
+ * For Wi-Fi faily generated beacons between participating stations.
+ * Set TBTT phase adaptive adjustment step to 8us (default 16us)
+ */
+ rt2x00usb_register_write(rt2x00dev, TXRX_CSR10, 0x00001008);
+
+ rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 1);
+ rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE, 1);
+ rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 1);
+ rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
+
+ /*
* Clean up the beacon skb.
*/
dev_kfree_skb(entry->skb);
@@ -1557,31 +1575,6 @@ static int rt73usb_get_tx_data_len(struct queue_entry *entry)
return length;
}
-static void rt73usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
- const enum data_queue_qid queue)
-{
- u32 reg;
-
- if (queue != QID_BEACON) {
- rt2x00usb_kick_tx_queue(rt2x00dev, queue);
- return;
- }
-
- /*
- * For Wi-Fi faily generated beacons between participating stations.
- * Set TBTT phase adaptive adjustment step to 8us (default 16us)
- */
- rt2x00usb_register_write(rt2x00dev, TXRX_CSR10, 0x00001008);
-
- rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
- if (!rt2x00_get_field32(reg, TXRX_CSR9_BEACON_GEN)) {
- rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 1);
- rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE, 1);
- rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 1);
- rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
- }
-}
-
/*
* RX control handlers
*/
@@ -1645,12 +1638,8 @@ static void rt73usb_fill_rxdone(struct queue_entry *entry,
if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR))
rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
- if (test_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags)) {
- rxdesc->cipher =
- rt2x00_get_field32(word0, RXD_W0_CIPHER_ALG);
- rxdesc->cipher_status =
- rt2x00_get_field32(word0, RXD_W0_CIPHER_ERROR);
- }
+ rxdesc->cipher = rt2x00_get_field32(word0, RXD_W0_CIPHER_ALG);
+ rxdesc->cipher_status = rt2x00_get_field32(word0, RXD_W0_CIPHER_ERROR);
if (rxdesc->cipher != CIPHER_NONE) {
_rt2x00_desc_read(rxd, 2, &rxdesc->iv[0]);
@@ -2266,7 +2255,7 @@ static const struct rt2x00lib_ops rt73usb_rt2x00_ops = {
.write_tx_data = rt2x00usb_write_tx_data,
.write_beacon = rt73usb_write_beacon,
.get_tx_data_len = rt73usb_get_tx_data_len,
- .kick_tx_queue = rt73usb_kick_tx_queue,
+ .kick_tx_queue = rt2x00usb_kick_tx_queue,
.kill_tx_queue = rt2x00usb_kill_tx_queue,
.fill_rxdone = rt73usb_fill_rxdone,
.config_shared_key = rt73usb_config_shared_key,