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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>
This commit is contained in:
Winkler, Tomas 2009-01-08 10:19:57 -08:00 committed by John W. Linville
parent d45aadd04b
commit 1e33dc6447
5 changed files with 25 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/wireless/iwlwifi/iwl-3945.c
View File

@ -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;

1
drivers/net/wireless/iwlwifi/iwl-3945.h
View File

@ -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

13
drivers/net/wireless/iwlwifi/iwl-4965-hw.h
View File

@ -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. */

15
drivers/net/wireless/iwlwifi/iwl-fh.h
View File

@ -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

15
drivers/net/wireless/iwlwifi/iwl3945-base.c
View File

@ -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);