rt2x00: Centralize setting of extra TX headroom requested by rt2x00.
Set the value of extra_tx_headroom in a central place, rather than in each
of the drivers. This is preparatory for taking alignment space into account
in the TX headroom requested by rt2x00.
Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c b/drivers/net/wireless/rt2x00/rt2400pci.c
index 7f900be..e7f4640 100644
--- a/drivers/net/wireless/rt2x00/rt2400pci.c
+++ b/drivers/net/wireless/rt2x00/rt2400pci.c
@@ -1432,7 +1432,6 @@
IEEE80211_HW_SIGNAL_DBM |
IEEE80211_HW_SUPPORTS_PS |
IEEE80211_HW_PS_NULLFUNC_STACK;
- rt2x00dev->hw->extra_tx_headroom = 0;
SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
@@ -1629,6 +1628,7 @@
.eeprom_size = EEPROM_SIZE,
.rf_size = RF_SIZE,
.tx_queues = NUM_TX_QUEUES,
+ .extra_tx_headroom = 0,
.rx = &rt2400pci_queue_rx,
.tx = &rt2400pci_queue_tx,
.bcn = &rt2400pci_queue_bcn,
diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c
index 30960fd..408fcfc 100644
--- a/drivers/net/wireless/rt2x00/rt2500pci.c
+++ b/drivers/net/wireless/rt2x00/rt2500pci.c
@@ -1733,8 +1733,6 @@
IEEE80211_HW_SUPPORTS_PS |
IEEE80211_HW_PS_NULLFUNC_STACK;
- rt2x00dev->hw->extra_tx_headroom = 0;
-
SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
rt2x00_eeprom_addr(rt2x00dev,
@@ -1928,6 +1926,7 @@
.eeprom_size = EEPROM_SIZE,
.rf_size = RF_SIZE,
.tx_queues = NUM_TX_QUEUES,
+ .extra_tx_headroom = 0,
.rx = &rt2500pci_queue_rx,
.tx = &rt2500pci_queue_tx,
.bcn = &rt2500pci_queue_bcn,
diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c
index 02290f6..83f2592 100644
--- a/drivers/net/wireless/rt2x00/rt2500usb.c
+++ b/drivers/net/wireless/rt2x00/rt2500usb.c
@@ -1656,8 +1656,6 @@
IEEE80211_HW_SUPPORTS_PS |
IEEE80211_HW_PS_NULLFUNC_STACK;
- rt2x00dev->hw->extra_tx_headroom = TXD_DESC_SIZE;
-
SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
rt2x00_eeprom_addr(rt2x00dev,
@@ -1829,6 +1827,7 @@
.eeprom_size = EEPROM_SIZE,
.rf_size = RF_SIZE,
.tx_queues = NUM_TX_QUEUES,
+ .extra_tx_headroom = TXD_DESC_SIZE,
.rx = &rt2500usb_queue_rx,
.tx = &rt2500usb_queue_tx,
.bcn = &rt2500usb_queue_bcn,
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index 02ffcf5..eb1e1d0 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -2030,12 +2030,6 @@
IEEE80211_HW_SUPPORTS_PS |
IEEE80211_HW_PS_NULLFUNC_STACK;
- if (rt2x00_intf_is_usb(rt2x00dev))
- rt2x00dev->hw->extra_tx_headroom =
- TXINFO_DESC_SIZE + TXWI_DESC_SIZE;
- else if (rt2x00_intf_is_pci(rt2x00dev))
- rt2x00dev->hw->extra_tx_headroom = TXWI_DESC_SIZE;
-
SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
rt2x00_eeprom_addr(rt2x00dev,
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index 029a45f..dfc886f 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -652,7 +652,7 @@
{
struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
__le32 *txd = skbdesc->desc;
- __le32 *txwi = (__le32 *)(skb->data - rt2x00dev->hw->extra_tx_headroom);
+ __le32 *txwi = (__le32 *)(skb->data - rt2x00dev->ops->extra_tx_headroom);
u32 word;
/*
@@ -725,14 +725,14 @@
rt2x00_set_field32(&word, TXD_W1_BURST,
test_bit(ENTRY_TXD_BURST, &txdesc->flags));
rt2x00_set_field32(&word, TXD_W1_SD_LEN0,
- rt2x00dev->hw->extra_tx_headroom);
+ rt2x00dev->ops->extra_tx_headroom);
rt2x00_set_field32(&word, TXD_W1_LAST_SEC0, 0);
rt2x00_set_field32(&word, TXD_W1_DMA_DONE, 0);
rt2x00_desc_write(txd, 1, word);
rt2x00_desc_read(txd, 2, &word);
rt2x00_set_field32(&word, TXD_W2_SD_PTR1,
- skbdesc->skb_dma + rt2x00dev->hw->extra_tx_headroom);
+ skbdesc->skb_dma + rt2x00dev->ops->extra_tx_headroom);
rt2x00_desc_write(txd, 2, word);
rt2x00_desc_read(txd, 3, &word);
@@ -1207,6 +1207,7 @@
.eeprom_size = EEPROM_SIZE,
.rf_size = RF_SIZE,
.tx_queues = NUM_TX_QUEUES,
+ .extra_tx_headroom = TXWI_DESC_SIZE,
.rx = &rt2800pci_queue_rx,
.tx = &rt2800pci_queue_tx,
.bcn = &rt2800pci_queue_bcn,
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index 208316a..af85d18 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -796,6 +796,7 @@
.eeprom_size = EEPROM_SIZE,
.rf_size = RF_SIZE,
.tx_queues = NUM_TX_QUEUES,
+ .extra_tx_headroom = TXINFO_DESC_SIZE + TXWI_DESC_SIZE,
.rx = &rt2800usb_queue_rx,
.tx = &rt2800usb_queue_tx,
.bcn = &rt2800usb_queue_bcn,
diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h
index 1cbb7ac..4d841c0 100644
--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
@@ -588,6 +588,7 @@
const unsigned int eeprom_size;
const unsigned int rf_size;
const unsigned int tx_queues;
+ const unsigned int extra_tx_headroom;
const struct data_queue_desc *rx;
const struct data_queue_desc *tx;
const struct data_queue_desc *bcn;
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index 4a4b7e4..06c43ca 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -684,6 +684,11 @@
rt2x00dev->hw->queues = rt2x00dev->ops->tx_queues;
/*
+ * Initialize extra TX headroom required.
+ */
+ rt2x00dev->hw->extra_tx_headroom = rt2x00dev->ops->extra_tx_headroom;
+
+ /*
* Register HW.
*/
status = ieee80211_register_hw(rt2x00dev->hw);
diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c
index 4cb9afe..687e17d 100644
--- a/drivers/net/wireless/rt2x00/rt61pci.c
+++ b/drivers/net/wireless/rt2x00/rt61pci.c
@@ -2546,7 +2546,6 @@
IEEE80211_HW_SIGNAL_DBM |
IEEE80211_HW_SUPPORTS_PS |
IEEE80211_HW_PS_NULLFUNC_STACK;
- rt2x00dev->hw->extra_tx_headroom = 0;
SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
@@ -2794,6 +2793,7 @@
.eeprom_size = EEPROM_SIZE,
.rf_size = RF_SIZE,
.tx_queues = NUM_TX_QUEUES,
+ .extra_tx_headroom = 0,
.rx = &rt61pci_queue_rx,
.tx = &rt61pci_queue_tx,
.bcn = &rt61pci_queue_bcn,
diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c
index d13a051..ced3b6a 100644
--- a/drivers/net/wireless/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/rt2x00/rt73usb.c
@@ -2069,7 +2069,6 @@
IEEE80211_HW_SIGNAL_DBM |
IEEE80211_HW_SUPPORTS_PS |
IEEE80211_HW_PS_NULLFUNC_STACK;
- rt2x00dev->hw->extra_tx_headroom = TXD_DESC_SIZE;
SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
@@ -2312,6 +2311,7 @@
.eeprom_size = EEPROM_SIZE,
.rf_size = RF_SIZE,
.tx_queues = NUM_TX_QUEUES,
+ .extra_tx_headroom = TXD_DESC_SIZE,
.rx = &rt73usb_queue_rx,
.tx = &rt73usb_queue_tx,
.bcn = &rt73usb_queue_bcn,