rt2x00: Merge RX and TX entry private data

With the pending removal of the tx_control structure
we can merge the RX and TX entry private data structure
in advance. This will temporarily increase the required
memory for the queue, but that overhead will only be limited.

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

1 files changed, 34 insertions, 35 deletions

diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c
index 2e5e45cbd2e5..7598b6e15784 100644
--- a/drivers/net/wireless/rt2x00/rt61pci.c
+++ b/drivers/net/wireless/rt2x00/rt61pci.c
@@ -1018,35 +1018,34 @@ static int rt61pci_load_firmware(struct rt2x00_dev *rt2x00dev, void *data,
 static void rt61pci_init_rxentry(struct rt2x00_dev *rt2x00dev,
 				 struct queue_entry *entry)
 {
-	struct queue_entry_priv_pci_rx *priv_rx = entry->priv_data;
+	struct queue_entry_priv_pci *entry_priv = entry->priv_data;
 	u32 word;
 
-	rt2x00_desc_read(priv_rx->desc, 5, &word);
+	rt2x00_desc_read(entry_priv->desc, 5, &word);
 	rt2x00_set_field32(&word, RXD_W5_BUFFER_PHYSICAL_ADDRESS,
-			   priv_rx->data_dma);
-	rt2x00_desc_write(priv_rx->desc, 5, word);
+			   entry_priv->data_dma);
+	rt2x00_desc_write(entry_priv->desc, 5, word);
 
-	rt2x00_desc_read(priv_rx->desc, 0, &word);
+	rt2x00_desc_read(entry_priv->desc, 0, &word);
 	rt2x00_set_field32(&word, RXD_W0_OWNER_NIC, 1);
-	rt2x00_desc_write(priv_rx->desc, 0, word);
+	rt2x00_desc_write(entry_priv->desc, 0, word);
 }
 
 static void rt61pci_init_txentry(struct rt2x00_dev *rt2x00dev,
 				 struct queue_entry *entry)
 {
-	struct queue_entry_priv_pci_tx *priv_tx = entry->priv_data;
+	struct queue_entry_priv_pci *entry_priv = entry->priv_data;
 	u32 word;
 
-	rt2x00_desc_read(priv_tx->desc, 0, &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(priv_tx->desc, 0, word);
+	rt2x00_desc_write(entry_priv->desc, 0, word);
 }
 
 static int rt61pci_init_queues(struct rt2x00_dev *rt2x00dev)
 {
-	struct queue_entry_priv_pci_rx *priv_rx;
-	struct queue_entry_priv_pci_tx *priv_tx;
+	struct queue_entry_priv_pci *entry_priv;
 	u32 reg;
 
 	/*
@@ -1068,28 +1067,28 @@ static int rt61pci_init_queues(struct rt2x00_dev *rt2x00dev)
 			   rt2x00dev->tx[0].desc_size / 4);
 	rt2x00pci_register_write(rt2x00dev, TX_RING_CSR1, reg);
 
-	priv_tx = rt2x00dev->tx[0].entries[0].priv_data;
+	entry_priv = rt2x00dev->tx[0].entries[0].priv_data;
 	rt2x00pci_register_read(rt2x00dev, AC0_BASE_CSR, &reg);
 	rt2x00_set_field32(&reg, AC0_BASE_CSR_RING_REGISTER,
-			   priv_tx->desc_dma);
+			   entry_priv->desc_dma);
 	rt2x00pci_register_write(rt2x00dev, AC0_BASE_CSR, reg);
 
-	priv_tx = rt2x00dev->tx[1].entries[0].priv_data;
+	entry_priv = rt2x00dev->tx[1].entries[0].priv_data;
 	rt2x00pci_register_read(rt2x00dev, AC1_BASE_CSR, &reg);
 	rt2x00_set_field32(&reg, AC1_BASE_CSR_RING_REGISTER,
-			   priv_tx->desc_dma);
+			   entry_priv->desc_dma);
 	rt2x00pci_register_write(rt2x00dev, AC1_BASE_CSR, reg);
 
-	priv_tx = rt2x00dev->tx[2].entries[0].priv_data;
+	entry_priv = rt2x00dev->tx[2].entries[0].priv_data;
 	rt2x00pci_register_read(rt2x00dev, AC2_BASE_CSR, &reg);
 	rt2x00_set_field32(&reg, AC2_BASE_CSR_RING_REGISTER,
-			   priv_tx->desc_dma);
+			   entry_priv->desc_dma);
 	rt2x00pci_register_write(rt2x00dev, AC2_BASE_CSR, reg);
 
-	priv_tx = rt2x00dev->tx[3].entries[0].priv_data;
+	entry_priv = rt2x00dev->tx[3].entries[0].priv_data;
 	rt2x00pci_register_read(rt2x00dev, AC3_BASE_CSR, &reg);
 	rt2x00_set_field32(&reg, AC3_BASE_CSR_RING_REGISTER,
-			   priv_tx->desc_dma);
+			   entry_priv->desc_dma);
 	rt2x00pci_register_write(rt2x00dev, AC3_BASE_CSR, reg);
 
 	rt2x00pci_register_read(rt2x00dev, RX_RING_CSR, &reg);
@@ -1099,10 +1098,10 @@ static int rt61pci_init_queues(struct rt2x00_dev *rt2x00dev)
 	rt2x00_set_field32(&reg, RX_RING_CSR_RXD_WRITEBACK_SIZE, 4);
 	rt2x00pci_register_write(rt2x00dev, RX_RING_CSR, reg);
 
-	priv_rx = rt2x00dev->rx->entries[0].priv_data;
+	entry_priv = rt2x00dev->rx->entries[0].priv_data;
 	rt2x00pci_register_read(rt2x00dev, RX_BASE_CSR, &reg);
 	rt2x00_set_field32(&reg, RX_BASE_CSR_RING_REGISTER,
-			   priv_rx->desc_dma);
+			   entry_priv->desc_dma);
 	rt2x00pci_register_write(rt2x00dev, RX_BASE_CSR, reg);
 
 	rt2x00pci_register_read(rt2x00dev, TX_DMA_DST_CSR, &reg);
@@ -1515,7 +1514,7 @@ static void rt61pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
 				    struct txentry_desc *txdesc)
 {
 	struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
-	struct queue_entry_priv_pci_tx *entry_priv = skbdesc->entry->priv_data;
+	struct queue_entry_priv_pci *entry_priv = skbdesc->entry->priv_data;
 	__le32 *txd = skbdesc->desc;
 	u32 word;
 
@@ -1661,12 +1660,12 @@ static int rt61pci_agc_to_rssi(struct rt2x00_dev *rt2x00dev, int rxd_w1)
 static void rt61pci_fill_rxdone(struct queue_entry *entry,
 			        struct rxdone_entry_desc *rxdesc)
 {
-	struct queue_entry_priv_pci_rx *priv_rx = entry->priv_data;
+	struct queue_entry_priv_pci *entry_priv = entry->priv_data;
 	u32 word0;
 	u32 word1;
 
-	rt2x00_desc_read(priv_rx->desc, 0, &word0);
-	rt2x00_desc_read(priv_rx->desc, 1, &word1);
+	rt2x00_desc_read(entry_priv->desc, 0, &word0);
+	rt2x00_desc_read(entry_priv->desc, 1, &word1);
 
 	if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR))
 		rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
@@ -1695,7 +1694,7 @@ static void rt61pci_txdone(struct rt2x00_dev *rt2x00dev)
 	struct data_queue *queue;
 	struct queue_entry *entry;
 	struct queue_entry *entry_done;
-	struct queue_entry_priv_pci_tx *priv_tx;
+	struct queue_entry_priv_pci *entry_priv;
 	struct txdone_entry_desc txdesc;
 	u32 word;
 	u32 reg;
@@ -1740,8 +1739,8 @@ static void rt61pci_txdone(struct rt2x00_dev *rt2x00dev)
 			continue;
 
 		entry = &queue->entries[index];
-		priv_tx = entry->priv_data;
-		rt2x00_desc_read(priv_tx->desc, 0, &word);
+		entry_priv = entry->priv_data;
+		rt2x00_desc_read(entry_priv->desc, 0, &word);
 
 		if (rt2x00_get_field32(word, TXD_W0_OWNER_NIC) ||
 		    !rt2x00_get_field32(word, TXD_W0_VALID))
@@ -2363,7 +2362,7 @@ static int rt61pci_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb,
 {
 	struct rt2x00_dev *rt2x00dev = hw->priv;
 	struct rt2x00_intf *intf = vif_to_intf(control->vif);
-	struct queue_entry_priv_pci_tx *priv_tx;
+	struct queue_entry_priv_pci *entry_priv;
 	struct skb_frame_desc *skbdesc;
 	struct txentry_desc txdesc;
 	unsigned int beacon_base;
@@ -2380,8 +2379,8 @@ static int rt61pci_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb,
 	intf->beacon->skb = skb;
 	rt2x00queue_create_tx_descriptor(intf->beacon, &txdesc, control);
 
-	priv_tx = intf->beacon->priv_data;
-	memset(priv_tx->desc, 0, intf->beacon->queue->desc_size);
+	entry_priv = intf->beacon->priv_data;
+	memset(entry_priv->desc, 0, intf->beacon->queue->desc_size);
 
 	/*
 	 * Fill in skb descriptor
@@ -2391,7 +2390,7 @@ static int rt61pci_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb,
 	skbdesc->flags |= FRAME_DESC_DRIVER_GENERATED;
 	skbdesc->data = skb->data;
 	skbdesc->data_len = skb->len;
-	skbdesc->desc = priv_tx->desc;
+	skbdesc->desc = entry_priv->desc;
 	skbdesc->desc_len = intf->beacon->queue->desc_size;
 	skbdesc->entry = intf->beacon;
 
@@ -2468,21 +2467,21 @@ static const struct data_queue_desc rt61pci_queue_rx = {
 	.entry_num		= RX_ENTRIES,
 	.data_size		= DATA_FRAME_SIZE,
 	.desc_size		= RXD_DESC_SIZE,
-	.priv_size		= sizeof(struct queue_entry_priv_pci_rx),
+	.priv_size		= sizeof(struct queue_entry_priv_pci),
 };
 
 static const struct data_queue_desc rt61pci_queue_tx = {
 	.entry_num		= TX_ENTRIES,
 	.data_size		= DATA_FRAME_SIZE,
 	.desc_size		= TXD_DESC_SIZE,
-	.priv_size		= sizeof(struct queue_entry_priv_pci_tx),
+	.priv_size		= sizeof(struct queue_entry_priv_pci),
 };
 
 static const struct data_queue_desc rt61pci_queue_bcn = {
 	.entry_num		= 4 * BEACON_ENTRIES,
 	.data_size		= 0, /* No DMA required for beacons */
 	.desc_size		= TXINFO_SIZE,
-	.priv_size		= sizeof(struct queue_entry_priv_pci_tx),
+	.priv_size		= sizeof(struct queue_entry_priv_pci),
 };
 
 static const struct rt2x00_ops rt61pci_ops = {