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path: root/drivers/net/wireless/rt2x00/rt2500pci.c
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Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2500pci.c')
-rw-r--r--drivers/net/wireless/rt2x00/rt2500pci.c199
1 files changed, 113 insertions, 86 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c
index 884e225f7b9f..0a54b6512207 100644
--- a/drivers/net/wireless/rt2x00/rt2500pci.c
+++ b/drivers/net/wireless/rt2x00/rt2500pci.c
@@ -263,6 +263,8 @@ static void rt2500pci_config_bssid(struct rt2x00_dev *rt2x00dev,
static void rt2500pci_config_type(struct rt2x00_dev *rt2x00dev, const int type,
const int tsf_sync)
{
+ struct data_queue *queue =
+ rt2x00queue_get_queue(rt2x00dev, IEEE80211_TX_QUEUE_BEACON);
u32 reg;
rt2x00pci_register_write(rt2x00dev, CSR14, 0);
@@ -273,10 +275,7 @@ static void rt2500pci_config_type(struct rt2x00_dev *rt2x00dev, const int type,
rt2x00pci_register_read(rt2x00dev, BCNCSR1, &reg);
rt2x00_set_field32(&reg, BCNCSR1_PRELOAD,
PREAMBLE + get_duration(IEEE80211_HEADER, 20));
- rt2x00_set_field32(&reg, BCNCSR1_BEACON_CWMIN,
- rt2x00lib_get_ring(rt2x00dev,
- IEEE80211_TX_QUEUE_BEACON)
- ->tx_params.cw_min);
+ rt2x00_set_field32(&reg, BCNCSR1_BEACON_CWMIN, queue->cw_min);
rt2x00pci_register_write(rt2x00dev, BCNCSR1, reg);
/*
@@ -684,82 +683,80 @@ dynamic_cca_tune:
* Initialization functions.
*/
static void rt2500pci_init_rxentry(struct rt2x00_dev *rt2x00dev,
- struct data_entry *entry)
+ struct queue_entry *entry)
{
- __le32 *rxd = entry->priv;
+ struct queue_entry_priv_pci_rx *priv_rx = entry->priv_data;
u32 word;
- rt2x00_desc_read(rxd, 1, &word);
- rt2x00_set_field32(&word, RXD_W1_BUFFER_ADDRESS, entry->data_dma);
- rt2x00_desc_write(rxd, 1, word);
+ rt2x00_desc_read(priv_rx->desc, 1, &word);
+ rt2x00_set_field32(&word, RXD_W1_BUFFER_ADDRESS, priv_rx->dma);
+ rt2x00_desc_write(priv_rx->desc, 1, word);
- rt2x00_desc_read(rxd, 0, &word);
+ rt2x00_desc_read(priv_rx->desc, 0, &word);
rt2x00_set_field32(&word, RXD_W0_OWNER_NIC, 1);
- rt2x00_desc_write(rxd, 0, word);
+ rt2x00_desc_write(priv_rx->desc, 0, word);
}
static void rt2500pci_init_txentry(struct rt2x00_dev *rt2x00dev,
- struct data_entry *entry)
+ struct queue_entry *entry)
{
- __le32 *txd = entry->priv;
+ struct queue_entry_priv_pci_tx *priv_tx = entry->priv_data;
u32 word;
- rt2x00_desc_read(txd, 1, &word);
- rt2x00_set_field32(&word, TXD_W1_BUFFER_ADDRESS, entry->data_dma);
- rt2x00_desc_write(txd, 1, word);
+ rt2x00_desc_read(priv_tx->desc, 1, &word);
+ rt2x00_set_field32(&word, TXD_W1_BUFFER_ADDRESS, priv_tx->dma);
+ rt2x00_desc_write(priv_tx->desc, 1, word);
- rt2x00_desc_read(txd, 0, &word);
+ rt2x00_desc_read(priv_tx->desc, 0, &word);
rt2x00_set_field32(&word, TXD_W0_VALID, 0);
rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 0);
- rt2x00_desc_write(txd, 0, word);
+ rt2x00_desc_write(priv_tx->desc, 0, word);
}
-static int rt2500pci_init_rings(struct rt2x00_dev *rt2x00dev)
+static int rt2500pci_init_queues(struct rt2x00_dev *rt2x00dev)
{
+ struct queue_entry_priv_pci_rx *priv_rx;
+ struct queue_entry_priv_pci_tx *priv_tx;
u32 reg;
/*
* Initialize registers.
*/
rt2x00pci_register_read(rt2x00dev, TXCSR2, &reg);
- rt2x00_set_field32(&reg, TXCSR2_TXD_SIZE,
- rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA0].desc_size);
- rt2x00_set_field32(&reg, TXCSR2_NUM_TXD,
- rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA1].stats.limit);
- rt2x00_set_field32(&reg, TXCSR2_NUM_ATIM,
- rt2x00dev->bcn[1].stats.limit);
- rt2x00_set_field32(&reg, TXCSR2_NUM_PRIO,
- rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA0].stats.limit);
+ rt2x00_set_field32(&reg, TXCSR2_TXD_SIZE, rt2x00dev->tx[0].desc_size);
+ rt2x00_set_field32(&reg, TXCSR2_NUM_TXD, rt2x00dev->tx[1].limit);
+ rt2x00_set_field32(&reg, TXCSR2_NUM_ATIM, rt2x00dev->bcn[1].limit);
+ rt2x00_set_field32(&reg, TXCSR2_NUM_PRIO, rt2x00dev->tx[0].limit);
rt2x00pci_register_write(rt2x00dev, TXCSR2, reg);
+ priv_tx = rt2x00dev->tx[1].entries[0].priv_data;
rt2x00pci_register_read(rt2x00dev, TXCSR3, &reg);
- rt2x00_set_field32(&reg, TXCSR3_TX_RING_REGISTER,
- rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA1].data_dma);
+ rt2x00_set_field32(&reg, TXCSR3_TX_RING_REGISTER, priv_tx->dma);
rt2x00pci_register_write(rt2x00dev, TXCSR3, reg);
+ priv_tx = rt2x00dev->tx[0].entries[0].priv_data;
rt2x00pci_register_read(rt2x00dev, TXCSR5, &reg);
- rt2x00_set_field32(&reg, TXCSR5_PRIO_RING_REGISTER,
- rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA0].data_dma);
+ rt2x00_set_field32(&reg, TXCSR5_PRIO_RING_REGISTER, priv_tx->dma);
rt2x00pci_register_write(rt2x00dev, TXCSR5, reg);
+ priv_tx = rt2x00dev->bcn[1].entries[0].priv_data;
rt2x00pci_register_read(rt2x00dev, TXCSR4, &reg);
- rt2x00_set_field32(&reg, TXCSR4_ATIM_RING_REGISTER,
- rt2x00dev->bcn[1].data_dma);
+ rt2x00_set_field32(&reg, TXCSR4_ATIM_RING_REGISTER, priv_tx->dma);
rt2x00pci_register_write(rt2x00dev, TXCSR4, reg);
+ priv_tx = rt2x00dev->bcn[0].entries[0].priv_data;
rt2x00pci_register_read(rt2x00dev, TXCSR6, &reg);
- rt2x00_set_field32(&reg, TXCSR6_BEACON_RING_REGISTER,
- rt2x00dev->bcn[0].data_dma);
+ rt2x00_set_field32(&reg, TXCSR6_BEACON_RING_REGISTER, priv_tx->dma);
rt2x00pci_register_write(rt2x00dev, TXCSR6, reg);
rt2x00pci_register_read(rt2x00dev, RXCSR1, &reg);
rt2x00_set_field32(&reg, RXCSR1_RXD_SIZE, rt2x00dev->rx->desc_size);
- rt2x00_set_field32(&reg, RXCSR1_NUM_RXD, rt2x00dev->rx->stats.limit);
+ rt2x00_set_field32(&reg, RXCSR1_NUM_RXD, rt2x00dev->rx->limit);
rt2x00pci_register_write(rt2x00dev, RXCSR1, reg);
+ priv_rx = rt2x00dev->rx->entries[0].priv_data;
rt2x00pci_register_read(rt2x00dev, RXCSR2, &reg);
- rt2x00_set_field32(&reg, RXCSR2_RX_RING_REGISTER,
- rt2x00dev->rx->data_dma);
+ rt2x00_set_field32(&reg, RXCSR2_RX_RING_REGISTER, priv_tx->dma);
rt2x00pci_register_write(rt2x00dev, RXCSR2, reg);
return 0;
@@ -1011,7 +1008,7 @@ static int rt2500pci_enable_radio(struct rt2x00_dev *rt2x00dev)
/*
* Initialize all registers.
*/
- if (rt2500pci_init_rings(rt2x00dev) ||
+ if (rt2500pci_init_queues(rt2x00dev) ||
rt2500pci_init_registers(rt2x00dev) ||
rt2500pci_init_bbp(rt2x00dev)) {
ERROR(rt2x00dev, "Register initialization failed.\n");
@@ -1138,10 +1135,10 @@ static int rt2500pci_set_device_state(struct rt2x00_dev *rt2x00dev,
*/
static void rt2500pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
struct sk_buff *skb,
- struct txdata_entry_desc *desc,
+ struct txentry_desc *txdesc,
struct ieee80211_tx_control *control)
{
- struct skb_desc *skbdesc = get_skb_desc(skb);
+ struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
__le32 *txd = skbdesc->desc;
u32 word;
@@ -1150,36 +1147,36 @@ static void rt2500pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
*/
rt2x00_desc_read(txd, 2, &word);
rt2x00_set_field32(&word, TXD_W2_IV_OFFSET, IEEE80211_HEADER);
- rt2x00_set_field32(&word, TXD_W2_AIFS, desc->aifs);
- rt2x00_set_field32(&word, TXD_W2_CWMIN, desc->cw_min);
- rt2x00_set_field32(&word, TXD_W2_CWMAX, desc->cw_max);
+ rt2x00_set_field32(&word, TXD_W2_AIFS, txdesc->aifs);
+ rt2x00_set_field32(&word, TXD_W2_CWMIN, txdesc->cw_min);
+ rt2x00_set_field32(&word, TXD_W2_CWMAX, txdesc->cw_max);
rt2x00_desc_write(txd, 2, word);
rt2x00_desc_read(txd, 3, &word);
- rt2x00_set_field32(&word, TXD_W3_PLCP_SIGNAL, desc->signal);
- rt2x00_set_field32(&word, TXD_W3_PLCP_SERVICE, desc->service);
- rt2x00_set_field32(&word, TXD_W3_PLCP_LENGTH_LOW, desc->length_low);
- rt2x00_set_field32(&word, TXD_W3_PLCP_LENGTH_HIGH, desc->length_high);
+ rt2x00_set_field32(&word, TXD_W3_PLCP_SIGNAL, txdesc->signal);
+ rt2x00_set_field32(&word, TXD_W3_PLCP_SERVICE, txdesc->service);
+ rt2x00_set_field32(&word, TXD_W3_PLCP_LENGTH_LOW, txdesc->length_low);
+ rt2x00_set_field32(&word, TXD_W3_PLCP_LENGTH_HIGH, txdesc->length_high);
rt2x00_desc_write(txd, 3, word);
rt2x00_desc_read(txd, 10, &word);
rt2x00_set_field32(&word, TXD_W10_RTS,
- test_bit(ENTRY_TXD_RTS_FRAME, &desc->flags));
+ test_bit(ENTRY_TXD_RTS_FRAME, &txdesc->flags));
rt2x00_desc_write(txd, 10, word);
rt2x00_desc_read(txd, 0, &word);
rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 1);
rt2x00_set_field32(&word, TXD_W0_VALID, 1);
rt2x00_set_field32(&word, TXD_W0_MORE_FRAG,
- test_bit(ENTRY_TXD_MORE_FRAG, &desc->flags));
+ test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
rt2x00_set_field32(&word, TXD_W0_ACK,
- test_bit(ENTRY_TXD_ACK, &desc->flags));
+ test_bit(ENTRY_TXD_ACK, &txdesc->flags));
rt2x00_set_field32(&word, TXD_W0_TIMESTAMP,
- test_bit(ENTRY_TXD_REQ_TIMESTAMP, &desc->flags));
+ test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
rt2x00_set_field32(&word, TXD_W0_OFDM,
- test_bit(ENTRY_TXD_OFDM_RATE, &desc->flags));
+ test_bit(ENTRY_TXD_OFDM_RATE, &txdesc->flags));
rt2x00_set_field32(&word, TXD_W0_CIPHER_OWNER, 1);
- rt2x00_set_field32(&word, TXD_W0_IFS, desc->ifs);
+ rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs);
rt2x00_set_field32(&word, TXD_W0_RETRY_MODE,
!!(control->flags &
IEEE80211_TXCTL_LONG_RETRY_LIMIT));
@@ -1218,46 +1215,46 @@ static void rt2500pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
/*
* RX control handlers
*/
-static void rt2500pci_fill_rxdone(struct data_entry *entry,
- struct rxdata_entry_desc *desc)
+static void rt2500pci_fill_rxdone(struct queue_entry *entry,
+ struct rxdone_entry_desc *rxdesc)
{
- __le32 *rxd = entry->priv;
+ struct queue_entry_priv_pci_rx *priv_rx = entry->priv_data;
u32 word0;
u32 word2;
- rt2x00_desc_read(rxd, 0, &word0);
- rt2x00_desc_read(rxd, 2, &word2);
+ rt2x00_desc_read(priv_rx->desc, 0, &word0);
+ rt2x00_desc_read(priv_rx->desc, 2, &word2);
- desc->flags = 0;
+ rxdesc->flags = 0;
if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR))
- desc->flags |= RX_FLAG_FAILED_FCS_CRC;
+ rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
if (rt2x00_get_field32(word0, RXD_W0_PHYSICAL_ERROR))
- desc->flags |= RX_FLAG_FAILED_PLCP_CRC;
-
- desc->signal = rt2x00_get_field32(word2, RXD_W2_SIGNAL);
- desc->rssi = rt2x00_get_field32(word2, RXD_W2_RSSI) -
- entry->ring->rt2x00dev->rssi_offset;
- desc->ofdm = rt2x00_get_field32(word0, RXD_W0_OFDM);
- desc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT);
- desc->my_bss = !!rt2x00_get_field32(word0, RXD_W0_MY_BSS);
+ rxdesc->flags |= RX_FLAG_FAILED_PLCP_CRC;
+
+ rxdesc->signal = rt2x00_get_field32(word2, RXD_W2_SIGNAL);
+ rxdesc->rssi = rt2x00_get_field32(word2, RXD_W2_RSSI) -
+ entry->queue->rt2x00dev->rssi_offset;
+ rxdesc->ofdm = rt2x00_get_field32(word0, RXD_W0_OFDM);
+ rxdesc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT);
+ rxdesc->my_bss = !!rt2x00_get_field32(word0, RXD_W0_MY_BSS);
}
/*
* Interrupt functions.
*/
-static void rt2500pci_txdone(struct rt2x00_dev *rt2x00dev, const int queue)
+static void rt2500pci_txdone(struct rt2x00_dev *rt2x00dev,
+ const enum ieee80211_tx_queue queue_idx)
{
- struct data_ring *ring = rt2x00lib_get_ring(rt2x00dev, queue);
- struct data_entry *entry;
- __le32 *txd;
+ struct data_queue *queue = rt2x00queue_get_queue(rt2x00dev, queue_idx);
+ struct queue_entry_priv_pci_tx *priv_tx;
+ struct queue_entry *entry;
+ struct txdone_entry_desc txdesc;
u32 word;
- int tx_status;
- int retry;
- while (!rt2x00_ring_empty(ring)) {
- entry = rt2x00_get_data_entry_done(ring);
- txd = entry->priv;
- rt2x00_desc_read(txd, 0, &word);
+ while (!rt2x00queue_empty(queue)) {
+ entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
+ priv_tx = entry->priv_data;
+ rt2x00_desc_read(priv_tx->desc, 0, &word);
if (rt2x00_get_field32(word, TXD_W0_OWNER_NIC) ||
!rt2x00_get_field32(word, TXD_W0_VALID))
@@ -1266,10 +1263,10 @@ static void rt2500pci_txdone(struct rt2x00_dev *rt2x00dev, const int queue)
/*
* Obtain the status about this packet.
*/
- tx_status = rt2x00_get_field32(word, TXD_W0_RESULT);
- retry = rt2x00_get_field32(word, TXD_W0_RETRY_COUNT);
+ txdesc.status = rt2x00_get_field32(word, TXD_W0_RESULT);
+ txdesc.retry = rt2x00_get_field32(word, TXD_W0_RETRY_COUNT);
- rt2x00pci_txdone(rt2x00dev, entry, tx_status, retry);
+ rt2x00pci_txdone(rt2x00dev, entry, &txdesc);
}
}
@@ -1705,9 +1702,9 @@ static int rt2500pci_probe_hw(struct rt2x00_dev *rt2x00dev)
rt2500pci_probe_hw_mode(rt2x00dev);
/*
- * This device requires the beacon ring
+ * This device requires the atim queue
*/
- __set_bit(DRIVER_REQUIRE_BEACON_RING, &rt2x00dev->flags);
+ __set_bit(DRIVER_REQUIRE_ATIM_QUEUE, &rt2x00dev->flags);
/*
* Set the rssi offset.
@@ -1871,12 +1868,42 @@ static const struct rt2x00lib_ops rt2500pci_rt2x00_ops = {
.config = rt2500pci_config,
};
+static const struct data_queue_desc rt2500pci_queue_rx = {
+ .entry_num = RX_ENTRIES,
+ .data_size = DATA_FRAME_SIZE,
+ .desc_size = RXD_DESC_SIZE,
+ .priv_size = sizeof(struct queue_entry_priv_pci_rx),
+};
+
+static const struct data_queue_desc rt2500pci_queue_tx = {
+ .entry_num = TX_ENTRIES,
+ .data_size = DATA_FRAME_SIZE,
+ .desc_size = TXD_DESC_SIZE,
+ .priv_size = sizeof(struct queue_entry_priv_pci_tx),
+};
+
+static const struct data_queue_desc rt2500pci_queue_bcn = {
+ .entry_num = BEACON_ENTRIES,
+ .data_size = MGMT_FRAME_SIZE,
+ .desc_size = TXD_DESC_SIZE,
+ .priv_size = sizeof(struct queue_entry_priv_pci_tx),
+};
+
+static const struct data_queue_desc rt2500pci_queue_atim = {
+ .entry_num = ATIM_ENTRIES,
+ .data_size = DATA_FRAME_SIZE,
+ .desc_size = TXD_DESC_SIZE,
+ .priv_size = sizeof(struct queue_entry_priv_pci_tx),
+};
+
static const struct rt2x00_ops rt2500pci_ops = {
.name = KBUILD_MODNAME,
- .rxd_size = RXD_DESC_SIZE,
- .txd_size = TXD_DESC_SIZE,
.eeprom_size = EEPROM_SIZE,
.rf_size = RF_SIZE,
+ .rx = &rt2500pci_queue_rx,
+ .tx = &rt2500pci_queue_tx,
+ .bcn = &rt2500pci_queue_bcn,
+ .atim = &rt2500pci_queue_atim,
.lib = &rt2500pci_rt2x00_ops,
.hw = &rt2500pci_mac80211_ops,
#ifdef CONFIG_RT2X00_LIB_DEBUGFS
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