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path: root/drivers/net/wireless/b43/pio.c
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Diffstat (limited to 'drivers/net/wireless/b43/pio.c')
-rw-r--r--drivers/net/wireless/b43/pio.c79
1 files changed, 40 insertions, 39 deletions
diff --git a/drivers/net/wireless/b43/pio.c b/drivers/net/wireless/b43/pio.c
index 9c1397996e0a..9b9044400218 100644
--- a/drivers/net/wireless/b43/pio.c
+++ b/drivers/net/wireless/b43/pio.c
@@ -30,6 +30,7 @@
#include "xmit.h"
#include <linux/delay.h>
+#include <linux/sched.h>
static u16 generate_cookie(struct b43_pio_txqueue *q,
@@ -331,6 +332,7 @@ static u16 tx_write_2byte_queue(struct b43_pio_txqueue *q,
unsigned int data_len)
{
struct b43_wldev *dev = q->dev;
+ struct b43_wl *wl = dev->wl;
const u8 *data = _data;
ctl |= B43_PIO_TXCTL_WRITELO | B43_PIO_TXCTL_WRITEHI;
@@ -340,13 +342,12 @@ static u16 tx_write_2byte_queue(struct b43_pio_txqueue *q,
q->mmio_base + B43_PIO_TXDATA,
sizeof(u16));
if (data_len & 1) {
- u8 tail[2] = { 0, };
-
/* Write the last byte. */
ctl &= ~B43_PIO_TXCTL_WRITEHI;
b43_piotx_write16(q, B43_PIO_TXCTL, ctl);
- tail[0] = data[data_len - 1];
- ssb_block_write(dev->dev, tail, 2,
+ wl->tx_tail[0] = data[data_len - 1];
+ wl->tx_tail[1] = 0;
+ ssb_block_write(dev->dev, wl->tx_tail, 2,
q->mmio_base + B43_PIO_TXDATA,
sizeof(u16));
}
@@ -381,6 +382,7 @@ static u32 tx_write_4byte_queue(struct b43_pio_txqueue *q,
unsigned int data_len)
{
struct b43_wldev *dev = q->dev;
+ struct b43_wl *wl = dev->wl;
const u8 *data = _data;
ctl |= B43_PIO8_TXCTL_0_7 | B43_PIO8_TXCTL_8_15 |
@@ -391,29 +393,31 @@ static u32 tx_write_4byte_queue(struct b43_pio_txqueue *q,
q->mmio_base + B43_PIO8_TXDATA,
sizeof(u32));
if (data_len & 3) {
- u8 tail[4] = { 0, };
-
+ wl->tx_tail[3] = 0;
/* Write the last few bytes. */
ctl &= ~(B43_PIO8_TXCTL_8_15 | B43_PIO8_TXCTL_16_23 |
B43_PIO8_TXCTL_24_31);
switch (data_len & 3) {
case 3:
ctl |= B43_PIO8_TXCTL_16_23 | B43_PIO8_TXCTL_8_15;
- tail[0] = data[data_len - 3];
- tail[1] = data[data_len - 2];
- tail[2] = data[data_len - 1];
+ wl->tx_tail[0] = data[data_len - 3];
+ wl->tx_tail[1] = data[data_len - 2];
+ wl->tx_tail[2] = data[data_len - 1];
break;
case 2:
ctl |= B43_PIO8_TXCTL_8_15;
- tail[0] = data[data_len - 2];
- tail[1] = data[data_len - 1];
+ wl->tx_tail[0] = data[data_len - 2];
+ wl->tx_tail[1] = data[data_len - 1];
+ wl->tx_tail[2] = 0;
break;
case 1:
- tail[0] = data[data_len - 1];
+ wl->tx_tail[0] = data[data_len - 1];
+ wl->tx_tail[1] = 0;
+ wl->tx_tail[2] = 0;
break;
}
b43_piotx_write32(q, B43_PIO8_TXCTL, ctl);
- ssb_block_write(dev->dev, tail, 4,
+ ssb_block_write(dev->dev, wl->tx_tail, 4,
q->mmio_base + B43_PIO8_TXDATA,
sizeof(u32));
}
@@ -445,8 +449,9 @@ static void pio_tx_frame_4byte_queue(struct b43_pio_txpacket *pack,
static int pio_tx_frame(struct b43_pio_txqueue *q,
struct sk_buff *skb)
{
+ struct b43_wldev *dev = q->dev;
+ struct b43_wl *wl = dev->wl;
struct b43_pio_txpacket *pack;
- struct b43_txhdr txhdr;
u16 cookie;
int err;
unsigned int hdrlen;
@@ -457,8 +462,8 @@ static int pio_tx_frame(struct b43_pio_txqueue *q,
struct b43_pio_txpacket, list);
cookie = generate_cookie(q, pack);
- hdrlen = b43_txhdr_size(q->dev);
- err = b43_generate_txhdr(q->dev, (u8 *)&txhdr, skb,
+ hdrlen = b43_txhdr_size(dev);
+ err = b43_generate_txhdr(dev, (u8 *)&wl->txhdr, skb,
info, cookie);
if (err)
return err;
@@ -466,15 +471,15 @@ static int pio_tx_frame(struct b43_pio_txqueue *q,
if (info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM) {
/* Tell the firmware about the cookie of the last
* mcast frame, so it can clear the more-data bit in it. */
- b43_shm_write16(q->dev, B43_SHM_SHARED,
+ b43_shm_write16(dev, B43_SHM_SHARED,
B43_SHM_SH_MCASTCOOKIE, cookie);
}
pack->skb = skb;
if (q->rev >= 8)
- pio_tx_frame_4byte_queue(pack, (const u8 *)&txhdr, hdrlen);
+ pio_tx_frame_4byte_queue(pack, (const u8 *)&wl->txhdr, hdrlen);
else
- pio_tx_frame_2byte_queue(pack, (const u8 *)&txhdr, hdrlen);
+ pio_tx_frame_2byte_queue(pack, (const u8 *)&wl->txhdr, hdrlen);
/* Remove it from the list of available packet slots.
* It will be put back when we receive the status report. */
@@ -614,14 +619,14 @@ void b43_pio_get_tx_stats(struct b43_wldev *dev,
static bool pio_rx_frame(struct b43_pio_rxqueue *q)
{
struct b43_wldev *dev = q->dev;
- struct b43_rxhdr_fw4 rxhdr;
+ struct b43_wl *wl = dev->wl;
u16 len;
u32 macstat;
unsigned int i, padding;
struct sk_buff *skb;
const char *err_msg = NULL;
- memset(&rxhdr, 0, sizeof(rxhdr));
+ memset(&wl->rxhdr, 0, sizeof(wl->rxhdr));
/* Check if we have data and wait for it to get ready. */
if (q->rev >= 8) {
@@ -659,16 +664,16 @@ data_ready:
/* Get the preamble (RX header) */
if (q->rev >= 8) {
- ssb_block_read(dev->dev, &rxhdr, sizeof(rxhdr),
+ ssb_block_read(dev->dev, &wl->rxhdr, sizeof(wl->rxhdr),
q->mmio_base + B43_PIO8_RXDATA,
sizeof(u32));
} else {
- ssb_block_read(dev->dev, &rxhdr, sizeof(rxhdr),
+ ssb_block_read(dev->dev, &wl->rxhdr, sizeof(wl->rxhdr),
q->mmio_base + B43_PIO_RXDATA,
sizeof(u16));
}
/* Sanity checks. */
- len = le16_to_cpu(rxhdr.frame_len);
+ len = le16_to_cpu(wl->rxhdr.frame_len);
if (unlikely(len > 0x700)) {
err_msg = "len > 0x700";
goto rx_error;
@@ -678,7 +683,7 @@ data_ready:
goto rx_error;
}
- macstat = le32_to_cpu(rxhdr.mac_status);
+ macstat = le32_to_cpu(wl->rxhdr.mac_status);
if (macstat & B43_RX_MAC_FCSERR) {
if (!(q->dev->wl->filter_flags & FIF_FCSFAIL)) {
/* Drop frames with failed FCS. */
@@ -703,24 +708,22 @@ data_ready:
q->mmio_base + B43_PIO8_RXDATA,
sizeof(u32));
if (len & 3) {
- u8 tail[4] = { 0, };
-
/* Read the last few bytes. */
- ssb_block_read(dev->dev, tail, 4,
+ ssb_block_read(dev->dev, wl->rx_tail, 4,
q->mmio_base + B43_PIO8_RXDATA,
sizeof(u32));
switch (len & 3) {
case 3:
- skb->data[len + padding - 3] = tail[0];
- skb->data[len + padding - 2] = tail[1];
- skb->data[len + padding - 1] = tail[2];
+ skb->data[len + padding - 3] = wl->rx_tail[0];
+ skb->data[len + padding - 2] = wl->rx_tail[1];
+ skb->data[len + padding - 1] = wl->rx_tail[2];
break;
case 2:
- skb->data[len + padding - 2] = tail[0];
- skb->data[len + padding - 1] = tail[1];
+ skb->data[len + padding - 2] = wl->rx_tail[0];
+ skb->data[len + padding - 1] = wl->rx_tail[1];
break;
case 1:
- skb->data[len + padding - 1] = tail[0];
+ skb->data[len + padding - 1] = wl->rx_tail[0];
break;
}
}
@@ -729,17 +732,15 @@ data_ready:
q->mmio_base + B43_PIO_RXDATA,
sizeof(u16));
if (len & 1) {
- u8 tail[2] = { 0, };
-
/* Read the last byte. */
- ssb_block_read(dev->dev, tail, 2,
+ ssb_block_read(dev->dev, wl->rx_tail, 2,
q->mmio_base + B43_PIO_RXDATA,
sizeof(u16));
- skb->data[len + padding - 1] = tail[0];
+ skb->data[len + padding - 1] = wl->rx_tail[0];
}
}
- b43_rx(q->dev, skb, &rxhdr);
+ b43_rx(q->dev, skb, &wl->rxhdr);
return 1;
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-12-24 19:44:36 +0000