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authorIvo van Doorn <ivdoorn@gmail.com>2008-11-08 15:25:33 +0100
committerJohn W. Linville <linville@tuxdriver.com>2008-11-21 11:08:16 -0500
commit798b7adb4ed3533ab1282f51d16892034cfd8aae (patch)
treeef328809a04c1072e9b1ce765d01f470283d4842 /drivers/net/wireless/rt2x00/rt2400pci.c
parent0ed94eaaed618634f68197161203aac9f849471e (diff)
rt2x00: Cleanup TX/RX entry handling
Merge the callback functions init_txentry() and init_rxentry(). This makes life in rt2x00lib a lot simpler and we can cleanup several functions. rt2x00pci contained "fake" FIELD definitions for descriptor words. This is not flexible since it assumes the driver will always have the same field to indicate if a driver is available or not. This should be dependent on the driver, and we should add a callback function for this. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2400pci.c')
-rw-r--r--drivers/net/wireless/rt2x00/rt2400pci.c51
1 files changed, 31 insertions, 20 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c b/drivers/net/wireless/rt2x00/rt2400pci.c
index 42bd38ac7a1d..861577ece713 100644
--- a/drivers/net/wireless/rt2x00/rt2400pci.c
+++ b/drivers/net/wireless/rt2x00/rt2400pci.c
@@ -626,36 +626,47 @@ static void rt2400pci_link_tuner(struct rt2x00_dev *rt2x00dev)
/*
* Initialization functions.
*/
-static void rt2400pci_init_rxentry(struct rt2x00_dev *rt2x00dev,
- struct queue_entry *entry)
+static bool rt2400pci_get_entry_state(struct queue_entry *entry)
{
struct queue_entry_priv_pci *entry_priv = entry->priv_data;
- struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
u32 word;
- rt2x00_desc_read(entry_priv->desc, 2, &word);
- rt2x00_set_field32(&word, RXD_W2_BUFFER_LENGTH, entry->skb->len);
- rt2x00_desc_write(entry_priv->desc, 2, word);
+ if (entry->queue->qid == QID_RX) {
+ rt2x00_desc_read(entry_priv->desc, 0, &word);
- rt2x00_desc_read(entry_priv->desc, 1, &word);
- rt2x00_set_field32(&word, RXD_W1_BUFFER_ADDRESS, skbdesc->skb_dma);
- rt2x00_desc_write(entry_priv->desc, 1, word);
+ return rt2x00_get_field32(word, RXD_W0_OWNER_NIC);
+ } else {
+ rt2x00_desc_read(entry_priv->desc, 0, &word);
- rt2x00_desc_read(entry_priv->desc, 0, &word);
- rt2x00_set_field32(&word, RXD_W0_OWNER_NIC, 1);
- rt2x00_desc_write(entry_priv->desc, 0, word);
+ return (rt2x00_get_field32(word, TXD_W0_OWNER_NIC) ||
+ rt2x00_get_field32(word, TXD_W0_VALID));
+ }
}
-static void rt2400pci_init_txentry(struct rt2x00_dev *rt2x00dev,
- struct queue_entry *entry)
+static void rt2400pci_clear_entry(struct queue_entry *entry)
{
struct queue_entry_priv_pci *entry_priv = entry->priv_data;
+ struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
u32 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(entry_priv->desc, 0, word);
+ if (entry->queue->qid == QID_RX) {
+ rt2x00_desc_read(entry_priv->desc, 2, &word);
+ rt2x00_set_field32(&word, RXD_W2_BUFFER_LENGTH, entry->skb->len);
+ rt2x00_desc_write(entry_priv->desc, 2, word);
+
+ rt2x00_desc_read(entry_priv->desc, 1, &word);
+ rt2x00_set_field32(&word, RXD_W1_BUFFER_ADDRESS, skbdesc->skb_dma);
+ rt2x00_desc_write(entry_priv->desc, 1, word);
+
+ rt2x00_desc_read(entry_priv->desc, 0, &word);
+ rt2x00_set_field32(&word, RXD_W0_OWNER_NIC, 1);
+ rt2x00_desc_write(entry_priv->desc, 0, word);
+ } else {
+ 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(entry_priv->desc, 0, word);
+ }
}
static int rt2400pci_init_queues(struct rt2x00_dev *rt2x00dev)
@@ -1570,8 +1581,8 @@ static const struct rt2x00lib_ops rt2400pci_rt2x00_ops = {
.probe_hw = rt2400pci_probe_hw,
.initialize = rt2x00pci_initialize,
.uninitialize = rt2x00pci_uninitialize,
- .init_rxentry = rt2400pci_init_rxentry,
- .init_txentry = rt2400pci_init_txentry,
+ .get_entry_state = rt2400pci_get_entry_state,
+ .clear_entry = rt2400pci_clear_entry,
.set_device_state = rt2400pci_set_device_state,
.rfkill_poll = rt2400pci_rfkill_poll,
.link_stats = rt2400pci_link_stats,