struct ieee80211_tx_control *control)
{
struct rt2x00_dev *rt2x00dev = hw->priv;
- struct skb_desc *desc;
- struct data_ring *ring;
- struct data_entry *entry;
+ struct queue_entry_priv_pci_tx *priv_tx;
+ struct skb_frame_desc *skbdesc;
+ struct data_queue *queue;
+ struct queue_entry *entry;
/*
* Just in case mac80211 doesn't set this correctly,
* initialization.
*/
control->queue = IEEE80211_TX_QUEUE_BEACON;
- ring = rt2x00lib_get_ring(rt2x00dev, control->queue);
- entry = rt2x00_get_data_entry(ring);
+ queue = rt2x00queue_get_queue(rt2x00dev, control->queue);
+ entry = rt2x00queue_get_entry(queue, Q_INDEX);
+ priv_tx = entry->priv_data;
/*
* Fill in skb descriptor
*/
- desc = get_skb_desc(skb);
- desc->desc_len = ring->desc_size;
- desc->data_len = skb->len;
- desc->desc = entry->priv;
- desc->data = skb->data;
- desc->ring = ring;
- desc->entry = entry;
-
- memcpy(entry->data_addr, skb->data, skb->len);
+ skbdesc = get_skb_frame_desc(skb);
+ memset(skbdesc, 0, sizeof(*skbdesc));
+ skbdesc->data = skb->data;
+ skbdesc->data_len = queue->data_size;
+ skbdesc->desc = priv_tx->desc;
+ skbdesc->desc_len = queue->desc_size;
+ skbdesc->entry = entry;
+
+ memcpy(priv_tx->data, skb->data, skb->len);
rt2x00lib_write_tx_desc(rt2x00dev, skb, control);
/*
* TX data handlers.
*/
int rt2x00pci_write_tx_data(struct rt2x00_dev *rt2x00dev,
- struct data_ring *ring, struct sk_buff *skb,
+ struct data_queue *queue, struct sk_buff *skb,
struct ieee80211_tx_control *control)
{
- struct data_entry *entry = rt2x00_get_data_entry(ring);
- __le32 *txd = entry->priv;
- struct skb_desc *desc;
+ struct queue_entry *entry = rt2x00queue_get_entry(queue, Q_INDEX);
+ struct queue_entry_priv_pci_tx *priv_tx = entry->priv_data;
+ struct skb_frame_desc *skbdesc;
u32 word;
- if (rt2x00_ring_full(ring))
+ if (rt2x00queue_full(queue))
return -EINVAL;
- rt2x00_desc_read(txd, 0, &word);
+ rt2x00_desc_read(priv_tx->desc, 0, &word);
if (rt2x00_get_field32(word, TXD_ENTRY_OWNER_NIC) ||
rt2x00_get_field32(word, TXD_ENTRY_VALID)) {
/*
* Fill in skb descriptor
*/
- desc = get_skb_desc(skb);
- desc->desc_len = ring->desc_size;
- desc->data_len = skb->len;
- desc->desc = entry->priv;
- desc->data = skb->data;
- desc->ring = ring;
- desc->entry = entry;
-
- memcpy(entry->data_addr, skb->data, skb->len);
+ skbdesc = get_skb_frame_desc(skb);
+ memset(skbdesc, 0, sizeof(*skbdesc));
+ skbdesc->data = skb->data;
+ skbdesc->data_len = queue->data_size;
+ skbdesc->desc = priv_tx->desc;
+ skbdesc->desc_len = queue->desc_size;
+ skbdesc->entry = entry;
+
+ memcpy(priv_tx->data, skb->data, skb->len);
rt2x00lib_write_tx_desc(rt2x00dev, skb, control);
- rt2x00_ring_index_inc(ring);
+ rt2x00queue_index_inc(queue, Q_INDEX);
return 0;
}
*/
void rt2x00pci_rxdone(struct rt2x00_dev *rt2x00dev)
{
- struct data_ring *ring = rt2x00dev->rx;
- struct data_entry *entry;
- struct sk_buff *skb;
+ struct data_queue *queue = rt2x00dev->rx;
+ struct queue_entry *entry;
+ struct queue_entry_priv_pci_rx *priv_rx;
struct ieee80211_hdr *hdr;
- struct skb_desc *skbdesc;
- struct rxdata_entry_desc desc;
+ struct skb_frame_desc *skbdesc;
+ struct rxdone_entry_desc rxdesc;
int header_size;
- __le32 *rxd;
int align;
u32 word;
while (1) {
- entry = rt2x00_get_data_entry(ring);
- rxd = entry->priv;
- rt2x00_desc_read(rxd, 0, &word);
+ entry = rt2x00queue_get_entry(queue, Q_INDEX);
+ priv_rx = entry->priv_data;
+ rt2x00_desc_read(priv_rx->desc, 0, &word);
if (rt2x00_get_field32(word, RXD_ENTRY_OWNER_NIC))
break;
- memset(&desc, 0, sizeof(desc));
- rt2x00dev->ops->lib->fill_rxdone(entry, &desc);
+ memset(&rxdesc, 0, sizeof(rxdesc));
+ rt2x00dev->ops->lib->fill_rxdone(entry, &rxdesc);
- hdr = (struct ieee80211_hdr *)entry->data_addr;
+ hdr = (struct ieee80211_hdr *)priv_rx->data;
header_size =
ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_control));
* Allocate the sk_buffer, initialize it and copy
* all data into it.
*/
- skb = dev_alloc_skb(desc.size + align);
- if (!skb)
+ entry->skb = dev_alloc_skb(rxdesc.size + align);
+ if (!entry->skb)
return;
- skb_reserve(skb, align);
- memcpy(skb_put(skb, desc.size), entry->data_addr, desc.size);
+ skb_reserve(entry->skb, align);
+ memcpy(skb_put(entry->skb, rxdesc.size),
+ priv_rx->data, rxdesc.size);
/*
* Fill in skb descriptor
*/
- skbdesc = get_skb_desc(skb);
- skbdesc->desc_len = entry->ring->desc_size;
- skbdesc->data_len = skb->len;
- skbdesc->desc = entry->priv;
- skbdesc->data = skb->data;
- skbdesc->ring = ring;
+ skbdesc = get_skb_frame_desc(entry->skb);
+ memset(skbdesc, 0, sizeof(*skbdesc));
+ skbdesc->data = entry->skb->data;
+ skbdesc->data_len = queue->data_size;
+ skbdesc->desc = priv_rx->desc;
+ skbdesc->desc_len = queue->desc_size;
skbdesc->entry = entry;
/*
* Send the frame to rt2x00lib for further processing.
*/
- rt2x00lib_rxdone(entry, skb, &desc);
+ rt2x00lib_rxdone(entry, &rxdesc);
- if (test_bit(DEVICE_ENABLED_RADIO, &ring->rt2x00dev->flags)) {
+ if (test_bit(DEVICE_ENABLED_RADIO, &queue->rt2x00dev->flags)) {
rt2x00_set_field32(&word, RXD_ENTRY_OWNER_NIC, 1);
- rt2x00_desc_write(rxd, 0, word);
+ rt2x00_desc_write(priv_rx->desc, 0, word);
}
- rt2x00_ring_index_inc(ring);
+ rt2x00queue_index_inc(queue, Q_INDEX);
}
}
EXPORT_SYMBOL_GPL(rt2x00pci_rxdone);
-void rt2x00pci_txdone(struct rt2x00_dev *rt2x00dev, struct data_entry *entry,
- const int tx_status, const int retry)
+void rt2x00pci_txdone(struct rt2x00_dev *rt2x00dev, struct queue_entry *entry,
+ struct txdone_entry_desc *txdesc)
{
+ struct queue_entry_priv_pci_tx *priv_tx = entry->priv_data;
u32 word;
- rt2x00lib_txdone(entry, tx_status, retry);
+ txdesc->control = &priv_tx->control;
+ rt2x00lib_txdone(entry, txdesc);
/*
* Make this entry available for reuse.
*/
entry->flags = 0;
- rt2x00_desc_read(entry->priv, 0, &word);
+ rt2x00_desc_read(priv_tx->desc, 0, &word);
rt2x00_set_field32(&word, TXD_ENTRY_OWNER_NIC, 0);
rt2x00_set_field32(&word, TXD_ENTRY_VALID, 0);
- rt2x00_desc_write(entry->priv, 0, word);
+ rt2x00_desc_write(priv_tx->desc, 0, word);
- rt2x00_ring_index_done_inc(entry->ring);
+ rt2x00queue_index_inc(entry->queue, Q_INDEX_DONE);
/*
- * If the data ring was full before the txdone handler
+ * If the data queue was full before the txdone handler
* we must make sure the packet queue in the mac80211 stack
* is reenabled when the txdone handler has finished.
*/
- if (!rt2x00_ring_full(entry->ring))
- ieee80211_wake_queue(rt2x00dev->hw,
- entry->tx_status.control.queue);
+ if (!rt2x00queue_full(entry->queue))
+ ieee80211_wake_queue(rt2x00dev->hw, priv_tx->control.queue);
}
EXPORT_SYMBOL_GPL(rt2x00pci_txdone);
/*
* Device initialization handlers.
*/
-#define priv_offset(__ring, __i) \
-({ \
- ring->data_addr + (i * ring->desc_size); \
+#define dma_size(__queue) \
+({ \
+ (__queue)->limit * \
+ ((__queue)->desc_size + (__queue)->data_size);\
})
-#define data_addr_offset(__ring, __i) \
-({ \
- (__ring)->data_addr + \
- ((__ring)->stats.limit * (__ring)->desc_size) + \
- ((__i) * (__ring)->data_size); \
+#define priv_offset(__queue, __base, __i) \
+({ \
+ (__base) + ((__i) * (__queue)->desc_size); \
})
-#define data_dma_offset(__ring, __i) \
-({ \
- (__ring)->data_dma + \
- ((__ring)->stats.limit * (__ring)->desc_size) + \
- ((__i) * (__ring)->data_size); \
+#define data_addr_offset(__queue, __base, __i) \
+({ \
+ (__base) + \
+ ((__queue)->limit * (__queue)->desc_size) + \
+ ((__i) * (__queue)->data_size); \
})
-static int rt2x00pci_alloc_dma(struct rt2x00_dev *rt2x00dev,
- struct data_ring *ring)
+#define data_dma_offset(__queue, __base, __i) \
+({ \
+ (__base) + \
+ ((__queue)->limit * (__queue)->desc_size) + \
+ ((__i) * (__queue)->data_size); \
+})
+
+static int rt2x00pci_alloc_queue_dma(struct rt2x00_dev *rt2x00dev,
+ struct data_queue *queue)
{
+ struct pci_dev *pci_dev = rt2x00dev_pci(rt2x00dev);
+ struct queue_entry_priv_pci_tx *priv_tx;
+ void *data_addr;
+ dma_addr_t data_dma;
unsigned int i;
/*
* Allocate DMA memory for descriptor and buffer.
*/
- ring->data_addr = pci_alloc_consistent(rt2x00dev_pci(rt2x00dev),
- rt2x00_get_ring_size(ring),
- &ring->data_dma);
- if (!ring->data_addr)
+ data_addr = pci_alloc_consistent(pci_dev, dma_size(queue), &data_dma);
+ if (!data_addr)
return -ENOMEM;
/*
- * Initialize all ring entries to contain valid
- * addresses.
+ * Initialize all queue entries to contain valid addresses.
*/
- for (i = 0; i < ring->stats.limit; i++) {
- ring->entry[i].priv = priv_offset(ring, i);
- ring->entry[i].data_addr = data_addr_offset(ring, i);
- ring->entry[i].data_dma = data_dma_offset(ring, i);
+ for (i = 0; i < queue->limit; i++) {
+ priv_tx = queue->entries[i].priv_data;
+ priv_tx->desc = priv_offset(queue, data_addr, i);
+ priv_tx->data = data_addr_offset(queue, data_addr, i);
+ priv_tx->dma = data_dma_offset(queue, data_dma, i);
}
return 0;
}
-static void rt2x00pci_free_dma(struct rt2x00_dev *rt2x00dev,
- struct data_ring *ring)
+static void rt2x00pci_free_queue_dma(struct rt2x00_dev *rt2x00dev,
+ struct data_queue *queue)
{
- if (ring->data_addr)
- pci_free_consistent(rt2x00dev_pci(rt2x00dev),
- rt2x00_get_ring_size(ring),
- ring->data_addr, ring->data_dma);
- ring->data_addr = NULL;
+ struct pci_dev *pci_dev = rt2x00dev_pci(rt2x00dev);
+ struct queue_entry_priv_pci_tx *priv_tx = queue->entries[0].priv_data;
+
+ if (priv_tx->data)
+ pci_free_consistent(pci_dev, dma_size(queue),
+ priv_tx->data, priv_tx->dma);
+ priv_tx->data = NULL;
}
int rt2x00pci_initialize(struct rt2x00_dev *rt2x00dev)
{
struct pci_dev *pci_dev = rt2x00dev_pci(rt2x00dev);
- struct data_ring *ring;
+ struct data_queue *queue;
int status;
/*
* Allocate DMA
*/
- ring_for_each(rt2x00dev, ring) {
- status = rt2x00pci_alloc_dma(rt2x00dev, ring);
+ queue_for_each(rt2x00dev, queue) {
+ status = rt2x00pci_alloc_queue_dma(rt2x00dev, queue);
if (status)
goto exit;
}
void rt2x00pci_uninitialize(struct rt2x00_dev *rt2x00dev)
{
- struct data_ring *ring;
+ struct data_queue *queue;
/*
* Free irq line.
/*
* Free DMA
*/
- ring_for_each(rt2x00dev, ring)
- rt2x00pci_free_dma(rt2x00dev, ring);
+ queue_for_each(rt2x00dev, queue)
+ rt2x00pci_free_queue_dma(rt2x00dev, queue);
}
EXPORT_SYMBOL_GPL(rt2x00pci_uninitialize);
*/
MODULE_AUTHOR(DRV_PROJECT);
MODULE_VERSION(DRV_VERSION);
-MODULE_DESCRIPTION("rt2x00 library");
+MODULE_DESCRIPTION("rt2x00 pci library");
MODULE_LICENSE("GPL");
git.openpandora.org / pandora-kernel.git / blobdiff