summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/rt2x00
diff options
context:
space:
mode:
authorJohn W. Linville <linville@tuxdriver.com>2010-01-05 17:18:59 -0500
committerJohn W. Linville <linville@tuxdriver.com>2010-01-05 17:18:59 -0500
commit4f9b2a7dea2bf1dd81f280aa5e8a40ed910d2f0a (patch)
tree52046049957a87103a383869155f43461963f089 /drivers/net/wireless/rt2x00
parentf3f66b69c8ff08b46975d9e99c7ecb92a8b12eda (diff)
parent7a4a77b7771164d61ce702a588067d1e1d66db7c (diff)
downloadlinux-4f9b2a7dea2bf1dd81f280aa5e8a40ed910d2f0a.tar.gz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
Conflicts: net/mac80211/iface.c
Diffstat (limited to 'drivers/net/wireless/rt2x00')
-rw-r--r--drivers/net/wireless/rt2x00/rt2800lib.c2
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00.h6
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00dev.c12
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00queue.c6
4 files changed, 21 insertions, 5 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index 8ff7db853286..126899091707 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -339,7 +339,7 @@ static int rt2800_blink_set(struct led_classdev *led_cdev,
rt2x00_set_field32(&reg, LED_CFG_OFF_PERIOD, *delay_off);
rt2x00_set_field32(&reg, LED_CFG_SLOW_BLINK_PERIOD, 3);
rt2x00_set_field32(&reg, LED_CFG_R_LED_MODE, 3);
- rt2x00_set_field32(&reg, LED_CFG_G_LED_MODE, 12);
+ rt2x00_set_field32(&reg, LED_CFG_G_LED_MODE, 3);
rt2x00_set_field32(&reg, LED_CFG_Y_LED_MODE, 3);
rt2x00_set_field32(&reg, LED_CFG_LED_POLAR, 1);
rt2800_register_write(led->rt2x00dev, LED_CFG, reg);
diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h
index b4c6e0a6d7e0..096da85a66fa 100644
--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
@@ -119,6 +119,12 @@
( ((unsigned long)((__skb)->data + (__header))) & 3 )
/*
+ * Constants for extra TX headroom for alignment purposes.
+ */
+#define RT2X00_ALIGN_SIZE 4 /* Only whole frame needs alignment */
+#define RT2X00_L2PAD_SIZE 8 /* Both header & payload need alignment */
+
+/*
* Standard timing and size defines.
* These values should follow the ieee80211 specifications.
*/
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index d7711e4d4751..b93731b79903 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -688,7 +688,17 @@ static int rt2x00lib_probe_hw(struct rt2x00_dev *rt2x00dev)
/*
* Initialize extra TX headroom required.
*/
- rt2x00dev->hw->extra_tx_headroom = rt2x00dev->ops->extra_tx_headroom;
+ rt2x00dev->hw->extra_tx_headroom =
+ max_t(unsigned int, IEEE80211_TX_STATUS_HEADROOM,
+ rt2x00dev->ops->extra_tx_headroom);
+
+ /*
+ * Take TX headroom required for alignment into account.
+ */
+ if (test_bit(DRIVER_REQUIRE_L2PAD, &rt2x00dev->flags))
+ rt2x00dev->hw->extra_tx_headroom += RT2X00_L2PAD_SIZE;
+ else if (test_bit(DRIVER_REQUIRE_DMA, &rt2x00dev->flags))
+ rt2x00dev->hw->extra_tx_headroom += RT2X00_ALIGN_SIZE;
/*
* Register HW.
diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c
index 3d8fb684b4eb..0b4801a14601 100644
--- a/drivers/net/wireless/rt2x00/rt2x00queue.c
+++ b/drivers/net/wireless/rt2x00/rt2x00queue.c
@@ -104,7 +104,7 @@ void rt2x00queue_map_txskb(struct rt2x00_dev *rt2x00dev, struct sk_buff *skb)
* is also mapped to the DMA so it can be used for transfering
* additional descriptor information to the hardware.
*/
- skb_push(skb, rt2x00dev->hw->extra_tx_headroom);
+ skb_push(skb, rt2x00dev->ops->extra_tx_headroom);
skbdesc->skb_dma =
dma_map_single(rt2x00dev->dev, skb->data, skb->len, DMA_TO_DEVICE);
@@ -112,7 +112,7 @@ void rt2x00queue_map_txskb(struct rt2x00_dev *rt2x00dev, struct sk_buff *skb)
/*
* Restore data pointer to original location again.
*/
- skb_pull(skb, rt2x00dev->hw->extra_tx_headroom);
+ skb_pull(skb, rt2x00dev->ops->extra_tx_headroom);
skbdesc->flags |= SKBDESC_DMA_MAPPED_TX;
}
@@ -134,7 +134,7 @@ void rt2x00queue_unmap_skb(struct rt2x00_dev *rt2x00dev, struct sk_buff *skb)
* by the driver, but it was actually mapped to DMA.
*/
dma_unmap_single(rt2x00dev->dev, skbdesc->skb_dma,
- skb->len + rt2x00dev->hw->extra_tx_headroom,
+ skb->len + rt2x00dev->ops->extra_tx_headroom,
DMA_TO_DEVICE);
skbdesc->flags &= ~SKBDESC_DMA_MAPPED_TX;
}