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authorDavid S. Miller <davem@davemloft.net>2008-06-10 01:54:31 -0700
committerDavid S. Miller <davem@davemloft.net>2008-06-10 01:54:31 -0700
commit788c0a53164c05c5ccdb1472474372b72ba74644 (patch)
tree5f274102e3dc4bcca6cb3a695aa2c8228ad5fc4f /drivers/net/wireless/rt2x00/rt2400pci.c
parente64bda89b8fe81cce9b4a20885d2c204c2d52532 (diff)
parent78cf07472f0ede8394bacc4bc02354505080cfe1 (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/linville/wireless-next-2.6
Conflicts: drivers/net/ps3_gelic_wireless.c drivers/net/wireless/libertas/main.c
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2400pci.c')
-rw-r--r--drivers/net/wireless/rt2x00/rt2400pci.c132
1 files changed, 73 insertions, 59 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c b/drivers/net/wireless/rt2x00/rt2400pci.c
index afa565c6362..900140d3b30 100644
--- a/drivers/net/wireless/rt2x00/rt2400pci.c
+++ b/drivers/net/wireless/rt2x00/rt2400pci.c
@@ -620,48 +620,38 @@ static void rt2400pci_link_tuner(struct rt2x00_dev *rt2x00dev)
static void rt2400pci_init_rxentry(struct rt2x00_dev *rt2x00dev,
struct queue_entry *entry)
{
- struct queue_entry_priv_pci_rx *priv_rx = entry->priv_data;
+ struct queue_entry_priv_pci *entry_priv = entry->priv_data;
u32 word;
- rt2x00_desc_read(priv_rx->desc, 2, &word);
+ rt2x00_desc_read(entry_priv->desc, 2, &word);
rt2x00_set_field32(&word, RXD_W2_BUFFER_LENGTH,
entry->queue->data_size);
- rt2x00_desc_write(priv_rx->desc, 2, word);
+ rt2x00_desc_write(entry_priv->desc, 2, word);
- rt2x00_desc_read(priv_rx->desc, 1, &word);
- rt2x00_set_field32(&word, RXD_W1_BUFFER_ADDRESS, priv_rx->data_dma);
- rt2x00_desc_write(priv_rx->desc, 1, word);
+ rt2x00_desc_read(entry_priv->desc, 1, &word);
+ rt2x00_set_field32(&word, RXD_W1_BUFFER_ADDRESS, entry_priv->data_dma);
+ rt2x00_desc_write(entry_priv->desc, 1, word);
- rt2x00_desc_read(priv_rx->desc, 0, &word);
+ rt2x00_desc_read(entry_priv->desc, 0, &word);
rt2x00_set_field32(&word, RXD_W0_OWNER_NIC, 1);
- rt2x00_desc_write(priv_rx->desc, 0, word);
+ rt2x00_desc_write(entry_priv->desc, 0, word);
}
static void rt2400pci_init_txentry(struct rt2x00_dev *rt2x00dev,
struct queue_entry *entry)
{
- struct queue_entry_priv_pci_tx *priv_tx = entry->priv_data;
+ struct queue_entry_priv_pci *entry_priv = entry->priv_data;
u32 word;
- rt2x00_desc_read(priv_tx->desc, 1, &word);
- rt2x00_set_field32(&word, TXD_W1_BUFFER_ADDRESS, priv_tx->data_dma);
- rt2x00_desc_write(priv_tx->desc, 1, word);
-
- rt2x00_desc_read(priv_tx->desc, 2, &word);
- rt2x00_set_field32(&word, TXD_W2_BUFFER_LENGTH,
- entry->queue->data_size);
- rt2x00_desc_write(priv_tx->desc, 2, word);
-
- rt2x00_desc_read(priv_tx->desc, 0, &word);
+ rt2x00_desc_read(entry_priv->desc, 0, &word);
rt2x00_set_field32(&word, TXD_W0_VALID, 0);
rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 0);
- rt2x00_desc_write(priv_tx->desc, 0, word);
+ rt2x00_desc_write(entry_priv->desc, 0, word);
}
static int rt2400pci_init_queues(struct rt2x00_dev *rt2x00dev)
{
- struct queue_entry_priv_pci_rx *priv_rx;
- struct queue_entry_priv_pci_tx *priv_tx;
+ struct queue_entry_priv_pci *entry_priv;
u32 reg;
/*
@@ -674,28 +664,28 @@ static int rt2400pci_init_queues(struct rt2x00_dev *rt2x00dev)
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;
+ entry_priv = rt2x00dev->tx[1].entries[0].priv_data;
rt2x00pci_register_read(rt2x00dev, TXCSR3, &reg);
rt2x00_set_field32(&reg, TXCSR3_TX_RING_REGISTER,
- priv_tx->desc_dma);
+ entry_priv->desc_dma);
rt2x00pci_register_write(rt2x00dev, TXCSR3, reg);
- priv_tx = rt2x00dev->tx[0].entries[0].priv_data;
+ entry_priv = rt2x00dev->tx[0].entries[0].priv_data;
rt2x00pci_register_read(rt2x00dev, TXCSR5, &reg);
rt2x00_set_field32(&reg, TXCSR5_PRIO_RING_REGISTER,
- priv_tx->desc_dma);
+ entry_priv->desc_dma);
rt2x00pci_register_write(rt2x00dev, TXCSR5, reg);
- priv_tx = rt2x00dev->bcn[1].entries[0].priv_data;
+ entry_priv = rt2x00dev->bcn[1].entries[0].priv_data;
rt2x00pci_register_read(rt2x00dev, TXCSR4, &reg);
rt2x00_set_field32(&reg, TXCSR4_ATIM_RING_REGISTER,
- priv_tx->desc_dma);
+ entry_priv->desc_dma);
rt2x00pci_register_write(rt2x00dev, TXCSR4, reg);
- priv_tx = rt2x00dev->bcn[0].entries[0].priv_data;
+ entry_priv = rt2x00dev->bcn[0].entries[0].priv_data;
rt2x00pci_register_read(rt2x00dev, TXCSR6, &reg);
rt2x00_set_field32(&reg, TXCSR6_BEACON_RING_REGISTER,
- priv_tx->desc_dma);
+ entry_priv->desc_dma);
rt2x00pci_register_write(rt2x00dev, TXCSR6, reg);
rt2x00pci_register_read(rt2x00dev, RXCSR1, &reg);
@@ -703,9 +693,10 @@ static int rt2400pci_init_queues(struct rt2x00_dev *rt2x00dev)
rt2x00_set_field32(&reg, RXCSR1_NUM_RXD, rt2x00dev->rx->limit);
rt2x00pci_register_write(rt2x00dev, RXCSR1, reg);
- priv_rx = rt2x00dev->rx->entries[0].priv_data;
+ entry_priv = rt2x00dev->rx->entries[0].priv_data;
rt2x00pci_register_read(rt2x00dev, RXCSR2, &reg);
- rt2x00_set_field32(&reg, RXCSR2_RX_RING_REGISTER, priv_rx->desc_dma);
+ rt2x00_set_field32(&reg, RXCSR2_RX_RING_REGISTER,
+ entry_priv->desc_dma);
rt2x00pci_register_write(rt2x00dev, RXCSR2, reg);
return 0;
@@ -1001,17 +992,22 @@ static int rt2400pci_set_device_state(struct rt2x00_dev *rt2x00dev,
*/
static void rt2400pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
struct sk_buff *skb,
- struct txentry_desc *txdesc,
- struct ieee80211_tx_control *control)
+ struct txentry_desc *txdesc)
{
struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
+ struct queue_entry_priv_pci *entry_priv = skbdesc->entry->priv_data;
__le32 *txd = skbdesc->desc;
u32 word;
/*
* Start writing the descriptor words.
*/
+ rt2x00_desc_read(entry_priv->desc, 1, &word);
+ rt2x00_set_field32(&word, TXD_W1_BUFFER_ADDRESS, entry_priv->data_dma);
+ rt2x00_desc_write(entry_priv->desc, 1, word);
+
rt2x00_desc_read(txd, 2, &word);
+ rt2x00_set_field32(&word, TXD_W2_BUFFER_LENGTH, skbdesc->data_len);
rt2x00_set_field32(&word, TXD_W2_DATABYTE_COUNT, skbdesc->data_len);
rt2x00_desc_write(txd, 2, word);
@@ -1046,8 +1042,7 @@ static void rt2400pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
test_bit(ENTRY_TXD_RTS_FRAME, &txdesc->flags));
rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs);
rt2x00_set_field32(&word, TXD_W0_RETRY_MODE,
- !!(control->flags &
- IEEE80211_TXCTL_LONG_RETRY_LIMIT));
+ test_bit(ENTRY_TXD_RETRY_MODE, &txdesc->flags));
rt2x00_desc_write(txd, 0, word);
}
@@ -1083,16 +1078,15 @@ static void rt2400pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
static void rt2400pci_fill_rxdone(struct queue_entry *entry,
struct rxdone_entry_desc *rxdesc)
{
- struct queue_entry_priv_pci_rx *priv_rx = entry->priv_data;
+ struct queue_entry_priv_pci *entry_priv = entry->priv_data;
u32 word0;
u32 word2;
u32 word3;
- rt2x00_desc_read(priv_rx->desc, 0, &word0);
- rt2x00_desc_read(priv_rx->desc, 2, &word2);
- rt2x00_desc_read(priv_rx->desc, 3, &word3);
+ rt2x00_desc_read(entry_priv->desc, 0, &word0);
+ rt2x00_desc_read(entry_priv->desc, 2, &word2);
+ rt2x00_desc_read(entry_priv->desc, 3, &word3);
- rxdesc->flags = 0;
if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR))
rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
if (rt2x00_get_field32(word0, RXD_W0_PHYSICAL_ERROR))
@@ -1108,7 +1102,7 @@ static void rt2400pci_fill_rxdone(struct queue_entry *entry,
entry->queue->rt2x00dev->rssi_offset;
rxdesc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT);
- rxdesc->dev_flags = RXDONE_SIGNAL_PLCP;
+ rxdesc->dev_flags |= RXDONE_SIGNAL_PLCP;
if (rt2x00_get_field32(word0, RXD_W0_MY_BSS))
rxdesc->dev_flags |= RXDONE_MY_BSS;
}
@@ -1120,15 +1114,15 @@ static void rt2400pci_txdone(struct rt2x00_dev *rt2x00dev,
const enum data_queue_qid queue_idx)
{
struct data_queue *queue = rt2x00queue_get_queue(rt2x00dev, queue_idx);
- struct queue_entry_priv_pci_tx *priv_tx;
+ struct queue_entry_priv_pci *entry_priv;
struct queue_entry *entry;
struct txdone_entry_desc txdesc;
u32 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);
+ entry_priv = entry->priv_data;
+ rt2x00_desc_read(entry_priv->desc, 0, &word);
if (rt2x00_get_field32(word, TXD_W0_OWNER_NIC) ||
!rt2x00_get_field32(word, TXD_W0_VALID))
@@ -1137,7 +1131,18 @@ static void rt2400pci_txdone(struct rt2x00_dev *rt2x00dev,
/*
* Obtain the status about this packet.
*/
- txdesc.status = rt2x00_get_field32(word, TXD_W0_RESULT);
+ txdesc.flags = 0;
+ switch (rt2x00_get_field32(word, TXD_W0_RESULT)) {
+ case 0: /* Success */
+ case 1: /* Success with retry */
+ __set_bit(TXDONE_SUCCESS, &txdesc.flags);
+ break;
+ case 2: /* Failure, excessive retries */
+ __set_bit(TXDONE_EXCESSIVE_RETRY, &txdesc.flags);
+ /* Don't break, this is a failed frame! */
+ default: /* Failure */
+ __set_bit(TXDONE_FAILURE, &txdesc.flags);
+ }
txdesc.retry = rt2x00_get_field32(word, TXD_W0_RETRY_COUNT);
rt2x00pci_txdone(rt2x00dev, entry, &txdesc);
@@ -1364,7 +1369,6 @@ static void rt2400pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
rt2x00dev->hw->flags = IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
IEEE80211_HW_SIGNAL_DBM;
rt2x00dev->hw->extra_tx_headroom = 0;
- rt2x00dev->hw->queues = 2;
SET_IEEE80211_DEV(rt2x00dev->hw, &rt2x00dev_pci(rt2x00dev)->dev);
SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
@@ -1480,18 +1484,27 @@ static u64 rt2400pci_get_tsf(struct ieee80211_hw *hw)
return tsf;
}
-static int rt2400pci_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb,
- struct ieee80211_tx_control *control)
+static int rt2400pci_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb)
{
struct rt2x00_dev *rt2x00dev = hw->priv;
- struct rt2x00_intf *intf = vif_to_intf(control->vif);
- struct queue_entry_priv_pci_tx *priv_tx;
+ struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
+ struct rt2x00_intf *intf = vif_to_intf(tx_info->control.vif);
+ struct queue_entry_priv_pci *entry_priv;
struct skb_frame_desc *skbdesc;
+ struct txentry_desc txdesc;
u32 reg;
if (unlikely(!intf->beacon))
return -ENOBUFS;
- priv_tx = intf->beacon->priv_data;
+ entry_priv = intf->beacon->priv_data;
+
+ /*
+ * Copy all TX descriptor information into txdesc,
+ * after that we are free to use the skb->cb array
+ * for our information.
+ */
+ intf->beacon->skb = skb;
+ rt2x00queue_create_tx_descriptor(intf->beacon, &txdesc);
/*
* Fill in skb descriptor
@@ -1501,7 +1514,7 @@ static int rt2400pci_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb,
skbdesc->flags |= FRAME_DESC_DRIVER_GENERATED;
skbdesc->data = skb->data;
skbdesc->data_len = skb->len;
- skbdesc->desc = priv_tx->desc;
+ skbdesc->desc = entry_priv->desc;
skbdesc->desc_len = intf->beacon->queue->desc_size;
skbdesc->entry = intf->beacon;
@@ -1520,8 +1533,8 @@ static int rt2400pci_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb,
* Write entire beacon with descriptor to register,
* and kick the beacon generator.
*/
- rt2x00lib_write_tx_desc(rt2x00dev, skb, control);
- memcpy(priv_tx->data, skb->data, skb->len);
+ memcpy(entry_priv->data, skb->data, skb->len);
+ rt2x00queue_write_tx_descriptor(intf->beacon, &txdesc);
rt2x00dev->ops->lib->kick_tx_queue(rt2x00dev, QID_BEACON);
return 0;
@@ -1581,28 +1594,28 @@ static const struct data_queue_desc rt2400pci_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),
+ .priv_size = sizeof(struct queue_entry_priv_pci),
};
static const struct data_queue_desc rt2400pci_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),
+ .priv_size = sizeof(struct queue_entry_priv_pci),
};
static const struct data_queue_desc rt2400pci_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),
+ .priv_size = sizeof(struct queue_entry_priv_pci),
};
static const struct data_queue_desc rt2400pci_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),
+ .priv_size = sizeof(struct queue_entry_priv_pci),
};
static const struct rt2x00_ops rt2400pci_ops = {
@@ -1611,6 +1624,7 @@ static const struct rt2x00_ops rt2400pci_ops = {
.max_ap_intf = 1,
.eeprom_size = EEPROM_SIZE,
.rf_size = RF_SIZE,
+ .tx_queues = NUM_TX_QUEUES,
.rx = &rt2400pci_queue_rx,
.tx = &rt2400pci_queue_tx,
.bcn = &rt2400pci_queue_bcn,