rt2x00: Cleanup write_tx_desc() arguments

Send the skb structure with write_tx_desc() and use
the skbdesc structure to read all information about
the frame. This saves several arguments in the function
definition and it is easier to send more information
later as well.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

7 files changed, 27 insertions, 31 deletions

diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c b/drivers/net/wireless/rt2x00/rt2400pci.c
index b042eb551cd..ffc7e208f9b 100644
--- a/drivers/net/wireless/rt2x00/rt2400pci.c
+++ b/drivers/net/wireless/rt2x00/rt2400pci.c
@@ -1012,19 +1012,19 @@ static int rt2400pci_set_device_state(struct rt2x00_dev *rt2x00dev,
  * TX descriptor initialization
  */
 static void rt2400pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
-				    __le32 *txd,
+				    struct sk_buff *skb,
 				    struct txdata_entry_desc *desc,
-				    struct ieee80211_hdr *ieee80211hdr,
-				    unsigned int length,
 				    struct ieee80211_tx_control *control)
 {
+	struct skb_desc *skbdesc = get_skb_desc(skb);
+	__le32 *txd = skbdesc->desc;
 	u32 word;
 
 	/*
 	 * Start writing the descriptor words.
 	 */
 	rt2x00_desc_read(txd, 2, &word);
-	rt2x00_set_field32(&word, TXD_W2_DATABYTE_COUNT, length);
+	rt2x00_set_field32(&word, TXD_W2_DATABYTE_COUNT, skbdesc->data_len);
 	rt2x00_desc_write(txd, 2, word);
 
 	rt2x00_desc_read(txd, 3, &word);
diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c
index c92163d2d9a..81a48e88f2a 100644
--- a/drivers/net/wireless/rt2x00/rt2500pci.c
+++ b/drivers/net/wireless/rt2x00/rt2500pci.c
@@ -1162,12 +1162,12 @@ static int rt2500pci_set_device_state(struct rt2x00_dev *rt2x00dev,
  * TX descriptor initialization
  */
 static void rt2500pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
-				    __le32 *txd,
+				    struct sk_buff *skb,
 				    struct txdata_entry_desc *desc,
-				    struct ieee80211_hdr *ieee80211hdr,
-				    unsigned int length,
 				    struct ieee80211_tx_control *control)
 {
+	struct skb_desc *skbdesc = get_skb_desc(skb);
+	__le32 *txd = skbdesc->desc;
 	u32 word;
 
 	/*
@@ -1208,7 +1208,7 @@ static void rt2500pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
 	rt2x00_set_field32(&word, TXD_W0_RETRY_MODE,
 			   !!(control->flags &
 			      IEEE80211_TXCTL_LONG_RETRY_LIMIT));
-	rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, length);
+	rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, skbdesc->data_len);
 	rt2x00_set_field32(&word, TXD_W0_CIPHER_ALG, CIPHER_NONE);
 	rt2x00_desc_write(txd, 0, word);
 }
diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c
index 3dca09d6e31..86eefb45360 100644
--- a/drivers/net/wireless/rt2x00/rt2500usb.c
+++ b/drivers/net/wireless/rt2x00/rt2500usb.c
@@ -1024,12 +1024,12 @@ static int rt2500usb_set_device_state(struct rt2x00_dev *rt2x00dev,
  * TX descriptor initialization
  */
 static void rt2500usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
-				    __le32 *txd,
+				    struct sk_buff *skb,
 				    struct txdata_entry_desc *desc,
-				    struct ieee80211_hdr *ieee80211hdr,
-				    unsigned int length,
 				    struct ieee80211_tx_control *control)
 {
+	struct skb_desc *skbdesc = get_skb_desc(skb);
+	__le32 *txd = skbdesc->desc;
 	u32 word;
 
 	/*
@@ -1062,7 +1062,7 @@ static void rt2500usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
 	rt2x00_set_field32(&word, TXD_W0_NEW_SEQ,
 			   !!(control->flags & IEEE80211_TXCTL_FIRST_FRAGMENT));
 	rt2x00_set_field32(&word, TXD_W0_IFS, desc->ifs);
-	rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, length);
+	rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, skbdesc->data_len);
 	rt2x00_set_field32(&word, TXD_W0_CIPHER, CIPHER_NONE);
 	rt2x00_desc_write(txd, 0, word);
 }
diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h
index be1fc0aebad..0cd847c5241 100644
--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
@@ -488,10 +488,8 @@ struct rt2x00lib_ops {
 	 * TX control handlers
 	 */
 	void (*write_tx_desc) (struct rt2x00_dev *rt2x00dev,
-			       __le32 *txd,
+			       struct sk_buff *skb,
 			       struct txdata_entry_desc *desc,
-			       struct ieee80211_hdr *ieee80211hdr,
-			       unsigned int length,
 			       struct ieee80211_tx_control *control);
 	int (*write_tx_data) (struct rt2x00_dev *rt2x00dev,
 			      struct data_ring *ring, struct sk_buff *skb,
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index 911060df803..a95cf531f08 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -601,7 +601,6 @@ void rt2x00lib_write_tx_desc(struct rt2x00_dev *rt2x00dev,
 	struct txdata_entry_desc desc;
 	struct skb_desc *skbdesc = get_skb_desc(skb);
 	struct ieee80211_hdr *ieee80211hdr = skbdesc->data;
-	__le32 *txd = skbdesc->desc;
 	int tx_rate;
 	int bitrate;
 	int length;
@@ -729,8 +728,7 @@ void rt2x00lib_write_tx_desc(struct rt2x00_dev *rt2x00dev,
 			desc.signal |= 0x08;
 	}
 
-	rt2x00dev->ops->lib->write_tx_desc(rt2x00dev, txd, &desc, ieee80211hdr,
-					   skbdesc->data_len, control);
+	rt2x00dev->ops->lib->write_tx_desc(rt2x00dev, skb, &desc, control);
 
 	/*
 	 * Update ring entry.
diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c
index 5c78c4cf80a..35e7607cf16 100644
--- a/drivers/net/wireless/rt2x00/rt61pci.c
+++ b/drivers/net/wireless/rt2x00/rt61pci.c
@@ -1533,12 +1533,12 @@ static int rt61pci_set_device_state(struct rt2x00_dev *rt2x00dev,
  * TX descriptor initialization
  */
 static void rt61pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
-				  __le32 *txd,
-				  struct txdata_entry_desc *desc,
-				  struct ieee80211_hdr *ieee80211hdr,
-				  unsigned int length,
-				  struct ieee80211_tx_control *control)
+				    struct sk_buff *skb,
+				    struct txdata_entry_desc *desc,
+				    struct ieee80211_tx_control *control)
 {
+	struct skb_desc *skbdesc = get_skb_desc(skb);
+	__le32 *txd = skbdesc->desc;
 	u32 word;
 
 	/*
@@ -1567,7 +1567,7 @@ static void rt61pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
 	rt2x00_desc_write(txd, 5, word);
 
 	rt2x00_desc_read(txd, 11, &word);
-	rt2x00_set_field32(&word, TXD_W11_BUFFER_LENGTH0, length);
+	rt2x00_set_field32(&word, TXD_W11_BUFFER_LENGTH0, skbdesc->data_len);
 	rt2x00_desc_write(txd, 11, word);
 
 	rt2x00_desc_read(txd, 0, &word);
@@ -1586,7 +1586,7 @@ static void rt61pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
 			   !!(control->flags &
 			      IEEE80211_TXCTL_LONG_RETRY_LIMIT));
 	rt2x00_set_field32(&word, TXD_W0_TKIP_MIC, 0);
-	rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, length);
+	rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, skbdesc->data_len);
 	rt2x00_set_field32(&word, TXD_W0_BURST,
 			   test_bit(ENTRY_TXD_BURST, &desc->flags));
 	rt2x00_set_field32(&word, TXD_W0_CIPHER_ALG, CIPHER_NONE);
diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c
index f2d1810fb3f..29824701e70 100644
--- a/drivers/net/wireless/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/rt2x00/rt73usb.c
@@ -1231,12 +1231,12 @@ static int rt73usb_set_device_state(struct rt2x00_dev *rt2x00dev,
  * TX descriptor initialization
  */
 static void rt73usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
-				  __le32 *txd,
-				  struct txdata_entry_desc *desc,
-				  struct ieee80211_hdr *ieee80211hdr,
-				  unsigned int length,
-				  struct ieee80211_tx_control *control)
+				    struct sk_buff *skb,
+				    struct txdata_entry_desc *desc,
+				    struct ieee80211_tx_control *control)
 {
+	struct skb_desc *skbdesc = get_skb_desc(skb);
+	__le32 *txd = skbdesc->desc;
 	u32 word;
 
 	/*
@@ -1281,7 +1281,7 @@ static void rt73usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
 			   !!(control->flags &
 			      IEEE80211_TXCTL_LONG_RETRY_LIMIT));
 	rt2x00_set_field32(&word, TXD_W0_TKIP_MIC, 0);
-	rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, length);
+	rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, skbdesc->data_len);
 	rt2x00_set_field32(&word, TXD_W0_BURST2,
 			   test_bit(ENTRY_TXD_BURST, &desc->flags));
 	rt2x00_set_field32(&word, TXD_W0_CIPHER_ALG, CIPHER_NONE);