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authorWinkler, Tomas <tomas.winkler@intel.com>2009-01-08 10:19:57 -0800
committerJohn W. Linville <linville@tuxdriver.com>2009-01-29 16:00:14 -0500
commit1e33dc64475790c10a7cda3ca23d2eb678760d85 (patch)
treed570577118248d83e3ca8af6578ab79db62d832c /drivers/net/wireless/iwlwifi
parentd45aadd04b60c6d4f846e7ec2564654567065e5f (diff)
iwl3945: use hw_params.rx_buf_size
This patch makes 3945 use of hw_params.rx_buf_size instead of IWL_RX_BUF_SIZE. It also renames IWL_RX_BUF_SIZE to IWL_RX_BUF_SIZE_3K and moves rx buffer defines into iwl-fh.h. Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Zhu Yi <yi.zhu@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-3945.c2
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-3945.h1
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-4965-hw.h13
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-fh.h15
-rw-r--r--drivers/net/wireless/iwlwifi/iwl3945-base.c15
5 files changed, 25 insertions, 21 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index db7b949020c..8a378bd1a7a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -2485,7 +2485,7 @@ int iwl3945_hw_set_hw_params(struct iwl_priv *priv)
return -ENOMEM;
}
- priv->hw_params.rx_buf_size = IWL_RX_BUF_SIZE;
+ priv->hw_params.rx_buf_size = IWL_RX_BUF_SIZE_3K;
priv->hw_params.max_pkt_size = 2342;
priv->hw_params.max_rxq_size = RX_QUEUE_SIZE;
priv->hw_params.max_rxq_log = RX_QUEUE_SIZE_LOG;
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.h b/drivers/net/wireless/iwlwifi/iwl-3945.h
index be301345335..491313baba6 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.h
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.h
@@ -96,7 +96,6 @@ enum iwl3945_antenna {
* else RTS for data/management frames where MPDU is larger
* than RTS value.
*/
-#define IWL_RX_BUF_SIZE 3000U
#define DEFAULT_RTS_THRESHOLD 2347U
#define MIN_RTS_THRESHOLD 0U
#define MAX_RTS_THRESHOLD 2347U
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965-hw.h b/drivers/net/wireless/iwlwifi/iwl-4965-hw.h
index e751c53ae1f..ed6baa539f5 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965-hw.h
+++ b/drivers/net/wireless/iwlwifi/iwl-4965-hw.h
@@ -110,19 +110,6 @@
#define IWL_DEFAULT_TX_RETRY 15
-#define RX_QUEUE_SIZE 256
-#define RX_QUEUE_MASK 255
-#define RX_QUEUE_SIZE_LOG 8
-
-/*
- * RX related structures and functions
- */
-#define RX_FREE_BUFFERS 64
-#define RX_LOW_WATERMARK 8
-
-/* Size of one Rx buffer in host DRAM */
-#define IWL_RX_BUF_SIZE_4K (4 * 1024)
-#define IWL_RX_BUF_SIZE_8K (8 * 1024)
/* Sizes and addresses for instruction and data memory (SRAM) in
* 4965's embedded processor. Driver access is via HBUS_TARG_MEM_* regs. */
diff --git a/drivers/net/wireless/iwlwifi/iwl-fh.h b/drivers/net/wireless/iwlwifi/iwl-fh.h
index a72aa1b32c8..ad5a24ecc2d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-fh.h
+++ b/drivers/net/wireless/iwlwifi/iwl-fh.h
@@ -399,6 +399,21 @@
*/
#define FH_TX_CHICKEN_BITS_SCD_AUTO_RETRY_EN (0x00000002)
+#define RX_QUEUE_SIZE 256
+#define RX_QUEUE_MASK 255
+#define RX_QUEUE_SIZE_LOG 8
+
+/*
+ * RX related structures and functions
+ */
+#define RX_FREE_BUFFERS 64
+#define RX_LOW_WATERMARK 8
+
+/* Size of one Rx buffer in host DRAM */
+#define IWL_RX_BUF_SIZE_3K (3 * 1000) /* 3945 only */
+#define IWL_RX_BUF_SIZE_4K (4 * 1024)
+#define IWL_RX_BUF_SIZE_8K (8 * 1024)
+
/**
* struct iwl_rb_status - reseve buffer status
* host memory mapped FH registers
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index e05a9d604b9..d145002d0a6 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -3281,7 +3281,8 @@ static void iwl3945_rx_allocate(struct iwl_priv *priv)
/* Alloc a new receive buffer */
rxb->skb =
- alloc_skb(IWL_RX_BUF_SIZE, __GFP_NOWARN | GFP_ATOMIC);
+ alloc_skb(priv->hw_params.rx_buf_size,
+ __GFP_NOWARN | GFP_ATOMIC);
if (!rxb->skb) {
if (net_ratelimit())
IWL_CRIT(priv, ": Can not allocate SKB buffers\n");
@@ -3303,9 +3304,10 @@ static void iwl3945_rx_allocate(struct iwl_priv *priv)
list_del(element);
/* Get physical address of RB/SKB */
- rxb->real_dma_addr =
- pci_map_single(priv->pci_dev, rxb->skb->data,
- IWL_RX_BUF_SIZE, PCI_DMA_FROMDEVICE);
+ rxb->real_dma_addr = pci_map_single(priv->pci_dev,
+ rxb->skb->data,
+ priv->hw_params.rx_buf_size,
+ PCI_DMA_FROMDEVICE);
list_add_tail(&rxb->list, &rxq->rx_free);
rxq->free_count++;
}
@@ -3454,7 +3456,7 @@ static void iwl3945_rx_handle(struct iwl_priv *priv)
rxq->queue[i] = NULL;
pci_dma_sync_single_for_cpu(priv->pci_dev, rxb->real_dma_addr,
- IWL_RX_BUF_SIZE,
+ priv->hw_params.rx_buf_size,
PCI_DMA_FROMDEVICE);
pkt = (struct iwl_rx_packet *)rxb->skb->data;
@@ -3504,7 +3506,8 @@ static void iwl3945_rx_handle(struct iwl_priv *priv)
}
pci_unmap_single(priv->pci_dev, rxb->real_dma_addr,
- IWL_RX_BUF_SIZE, PCI_DMA_FROMDEVICE);
+ priv->hw_params.rx_buf_size,
+ PCI_DMA_FROMDEVICE);
spin_lock_irqsave(&rxq->lock, flags);
list_add_tail(&rxb->list, &priv->rxq.rx_used);
spin_unlock_irqrestore(&rxq->lock, flags);