This if file 7 of 10 of the port of the bcm43xx driver from softmac
to mac80211.
Signed-off-by: Larry Finger <Larry.Finger@xxxxxxxxxxxx>
---
Index: linux-2.6/drivers/net/wireless/bcm43xx/bcm43xx_pio.c
===================================================================
--- linux-2.6.orig/drivers/net/wireless/bcm43xx/bcm43xx_pio.c
+++ linux-2.6/drivers/net/wireless/bcm43xx/bcm43xx_pio.c
@@ -4,7 +4,7 @@
PIO Transmission
- Copyright (c) 2005 Michael Buesch <mbuesch@xxxxxxxxxx>
+ Copyright (c) 2005 Michael Buesch <mb@xxxxxxxxx>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -27,7 +27,6 @@
#include "bcm43xx_pio.h"
#include "bcm43xx_main.h"
#include "bcm43xx_xmit.h"
-#include "bcm43xx_power.h"
#include <linux/delay.h>
@@ -54,19 +53,20 @@ static void tx_octet(struct bcm43xx_pioq
}
}
-static u16 tx_get_next_word(struct bcm43xx_txhdr *txhdr,
+static u16 tx_get_next_word(const u8 *txhdr,
const u8 *packet,
+ size_t txhdr_size,
unsigned int *pos)
{
const u8 *source;
unsigned int i = *pos;
u16 ret;
- if (i < sizeof(*txhdr)) {
- source = (const u8 *)txhdr;
+ if (i < txhdr_size) {
+ source = txhdr;
} else {
source = packet;
- i -= sizeof(*txhdr);
+ i -= txhdr_size;
}
ret = le16_to_cpu( *((u16 *)(source + i)) );
*pos += 2;
@@ -75,7 +75,7 @@ static u16 tx_get_next_word(struct bcm43
}
static void tx_data(struct bcm43xx_pioqueue *queue,
- struct bcm43xx_txhdr *txhdr,
+ u8 *txhdr,
const u8 *packet,
unsigned int octets)
{
@@ -83,18 +83,21 @@ static void tx_data(struct bcm43xx_pioqu
unsigned int i = 0;
if (queue->need_workarounds) {
- data = tx_get_next_word(txhdr, packet, &i);
+ data = tx_get_next_word(txhdr, packet,
+ sizeof(struct bcm43xx_txhdr_fw3), &i);
bcm43xx_pio_write(queue, BCM43xx_PIO_TXDATA, data);
}
bcm43xx_pio_write(queue, BCM43xx_PIO_TXCTL,
BCM43xx_PIO_TXCTL_WRITELO |
BCM43xx_PIO_TXCTL_WRITEHI);
while (i < octets - 1) {
- data = tx_get_next_word(txhdr, packet, &i);
+ data = tx_get_next_word(txhdr, packet,
+ sizeof(struct bcm43xx_txhdr_fw3), &i);
bcm43xx_pio_write(queue, BCM43xx_PIO_TXDATA, data);
}
if (octets % 2)
- tx_octet(queue, packet[octets - sizeof(*txhdr) - 1]);
+ tx_octet(queue, packet[octets -
+ sizeof(struct bcm43xx_txhdr_fw3) - 1]);
}
static void tx_complete(struct bcm43xx_pioqueue *queue,
@@ -135,21 +138,21 @@ static u16 generate_cookie(struct bcm43x
cookie = 0x3000;
break;
default:
- assert(0);
+ BCM43xx_WARN_ON(1);
}
packetindex = pio_txpacket_getindex(packet);
- assert(((u16)packetindex & 0xF000) == 0x0000);
+ BCM43xx_WARN_ON(!(((u16)packetindex & 0xF000) == 0x0000));
cookie |= (u16)packetindex;
return cookie;
}
static
-struct bcm43xx_pioqueue * parse_cookie(struct bcm43xx_private *bcm,
+struct bcm43xx_pioqueue *parse_cookie(struct bcm43xx_wldev *dev,
u16 cookie,
struct bcm43xx_pio_txpacket **packet)
{
- struct bcm43xx_pio *pio = bcm43xx_current_pio(bcm);
+ struct bcm43xx_pio *pio = &dev->pio;
struct bcm43xx_pioqueue *queue = NULL;
int packetindex;
@@ -167,33 +170,42 @@ struct bcm43xx_pioqueue * parse_cookie(s
queue = pio->queue3;
break;
default:
- assert(0);
+ BCM43xx_WARN_ON(1);
}
packetindex = (cookie & 0x0FFF);
- assert(packetindex >= 0 && packetindex < BCM43xx_PIO_MAXTXPACKETS);
+ BCM43xx_WARN_ON(!(packetindex >= 0 && packetindex
+ < BCM43xx_PIO_MAXTXPACKETS));
*packet = &(queue->tx_packets_cache[packetindex]);
return queue;
}
+union txhdr_union {
+ struct bcm43xx_txhdr_fw3 txhdr_fw3;
+};
+
static void pio_tx_write_fragment(struct bcm43xx_pioqueue *queue,
struct sk_buff *skb,
- struct bcm43xx_pio_txpacket *packet)
+ struct bcm43xx_pio_txpacket *packet,
+ size_t txhdr_size)
{
- struct bcm43xx_txhdr txhdr;
+ union txhdr_union txhdr_data;
+ u8 *txhdr = NULL;
unsigned int octets;
- assert(skb_shinfo(skb)->nr_frags == 0);
- bcm43xx_generate_txhdr(queue->bcm,
- &txhdr, skb->data, skb->len,
- (packet->xmitted_frags == 0),
+ txhdr = (u8 *)(&txhdr_data.txhdr_fw3);
+
+ BCM43xx_WARN_ON(skb_shinfo(skb)->nr_frags != 0);
+ bcm43xx_generate_txhdr(queue->dev,
+ txhdr, skb->data, skb->len,
+ &packet->txstat.control,
generate_cookie(queue, packet));
tx_start(queue);
- octets = skb->len + sizeof(txhdr);
+ octets = skb->len + txhdr_size;
if (queue->need_workarounds)
octets--;
- tx_data(queue, &txhdr, (u8 *)skb->data, octets);
+ tx_data(queue, txhdr, (u8 *)skb->data, octets);
tx_complete(queue, skb);
}
@@ -202,52 +214,53 @@ static void free_txpacket(struct bcm43xx
{
struct bcm43xx_pioqueue *queue = packet->queue;
- ieee80211_txb_free(packet->txb);
+ if (packet->skb) {
+ if (irq_context)
+ dev_kfree_skb_irq(packet->skb);
+ else
+ dev_kfree_skb(packet->skb);
+ }
list_move(&packet->list, &queue->txfree);
queue->nr_txfree++;
-
- assert(queue->tx_devq_used >= packet->xmitted_octets);
- assert(queue->tx_devq_packets >= packet->xmitted_frags);
- queue->tx_devq_used -= packet->xmitted_octets;
- queue->tx_devq_packets -= packet->xmitted_frags;
}
static int pio_tx_packet(struct bcm43xx_pio_txpacket *packet)
{
struct bcm43xx_pioqueue *queue = packet->queue;
- struct ieee80211_txb *txb = packet->txb;
- struct sk_buff *skb;
+ struct sk_buff *skb = packet->skb;
u16 octets;
- int i;
- for (i = packet->xmitted_frags; i < txb->nr_frags; i++) {
- skb = txb->fragments[i];
-
- octets = (u16)skb->len + sizeof(struct bcm43xx_txhdr);
- assert(queue->tx_devq_size >= octets);
- assert(queue->tx_devq_packets <= BCM43xx_PIO_MAXTXDEVQPACKETS);
- assert(queue->tx_devq_used <= queue->tx_devq_size);
- /* Check if there is sufficient free space on the device
- * TX queue. If not, return and let the TX tasklet
- * retry later.
- */
- if (queue->tx_devq_packets == BCM43xx_PIO_MAXTXDEVQPACKETS)
- return -EBUSY;
- if (queue->tx_devq_used + octets > queue->tx_devq_size)
- return -EBUSY;
- /* Now poke the device. */
- pio_tx_write_fragment(queue, skb, packet);
+ octets = (u16)skb->len + sizeof(struct bcm43xx_txhdr_fw3);
+ if (queue->tx_devq_size < octets) {
+ bcmwarn(queue->dev->wl, "PIO queue too small. "
+ "Dropping packet.\n");
+ /* Drop it silently (return success) */
+ free_txpacket(packet, 1);
+ return 0;
+ }
+ BCM43xx_WARN_ON(queue->tx_devq_packets > BCM43xx_PIO_MAXTXDEVQPACKETS);
+ BCM43xx_WARN_ON(queue->tx_devq_used > queue->tx_devq_size);
+ /* Check if there is sufficient free space on the device
+ * TX queue. If not, return and let the TX tasklet
+ * retry later.
+ */
+ if (queue->tx_devq_packets == BCM43xx_PIO_MAXTXDEVQPACKETS)
+ return -EBUSY;
+ if (queue->tx_devq_used + octets > queue->tx_devq_size)
+ return -EBUSY;
+ /* Now poke the device. */
+ pio_tx_write_fragment(queue, skb, packet,
+ sizeof(struct bcm43xx_txhdr_fw3));
- /* Account for the packet size.
- * (We must not overflow the device TX queue)
- */
- queue->tx_devq_packets++;
- queue->tx_devq_used += octets;
+ /* Account for the packet size.
+ * (We must not overflow the device TX queue)
+ */
+ queue->tx_devq_packets++;
+ queue->tx_devq_used += octets;
- assert(packet->xmitted_frags < packet->txb->nr_frags);
- packet->xmitted_frags++;
- packet->xmitted_octets += octets;
- }
+ /* Transmission started, everything ok, move the
+ * packet to the txrunning list.
+ */
list_move_tail(&packet->list, &queue->txrunning);
return 0;
@@ -256,14 +269,13 @@ static int pio_tx_packet(struct bcm43xx_
static void tx_tasklet(unsigned long d)
{
struct bcm43xx_pioqueue *queue = (struct bcm43xx_pioqueue *)d;
- struct bcm43xx_private *bcm = queue->bcm;
+ struct bcm43xx_wldev *dev = queue->dev;
unsigned long flags;
struct bcm43xx_pio_txpacket *packet, *tmp_packet;
int err;
u16 txctl;
- spin_lock_irqsave(&bcm->irq_lock, flags);
-
+ spin_lock_irqsave(&dev->wl->irq_lock, flags);
if (queue->tx_frozen)
goto out_unlock;
txctl = bcm43xx_pio_read(queue, BCM43xx_PIO_TXCTL);
@@ -271,36 +283,19 @@ static void tx_tasklet(unsigned long d)
goto out_unlock;
list_for_each_entry_safe(packet, tmp_packet, &queue->txqueue, list) {
- assert(packet->xmitted_frags < packet->txb->nr_frags);
- if (packet->xmitted_frags == 0) {
- int i;
- struct sk_buff *skb;
-
- /* Check if the device queue is big
- * enough for every fragment. If not, drop the
- * whole packet.
- */
- for (i = 0; i < packet->txb->nr_frags; i++) {
- skb = packet->txb->fragments[i];
- if (unlikely(skb->len > queue->tx_devq_size)) {
- dprintkl(KERN_ERR PFX "PIO TX device queue too small. "
- "Dropping packet.\n");
- free_txpacket(packet, 1);
- goto next_packet;
- }
- }
- }
- /* Try to transmit the packet.
- * This may not completely succeed.
+ /* Try to transmit the packet. This can fail, if
+ * the device queue is full. In case of failure, the
+ * packet is left in the txqueue.
+ * If transmission succeed, the packet is moved to txrunning.
+ * If it is impossible to transmit the packet, it
+ * is dropped.
*/
err = pio_tx_packet(packet);
if (err)
break;
- next_packet:
- continue;
}
out_unlock:
- spin_unlock_irqrestore(&bcm->irq_lock, flags);
+ spin_unlock_irqrestore(&dev->wl->irq_lock, flags);
}
static void setup_txqueues(struct bcm43xx_pioqueue *queue)
@@ -320,7 +315,7 @@ static void setup_txqueues(struct bcm43x
}
static
-struct bcm43xx_pioqueue * bcm43xx_setup_pioqueue(struct bcm43xx_private *bcm,
+struct bcm43xx_pioqueue *bcm43xx_setup_pioqueue(struct bcm43xx_wldev *dev,
u16 pio_mmio_base)
{
struct bcm43xx_pioqueue *queue;
@@ -331,9 +326,9 @@ struct bcm43xx_pioqueue * bcm43xx_setup_
if (!queue)
goto out;
- queue->bcm = bcm;
+ queue->dev = dev;
queue->mmio_base = pio_mmio_base;
- queue->need_workarounds = (bcm->current_core->rev < 3);
+ queue->need_workarounds = (dev->dev->id.revision < 3);
INIT_LIST_HEAD(&queue->txfree);
INIT_LIST_HEAD(&queue->txqueue);
@@ -341,19 +336,19 @@ struct bcm43xx_pioqueue * bcm43xx_setup_
tasklet_init(&queue->txtask, tx_tasklet,
(unsigned long)queue);
- value = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD);
+ value = bcm43xx_read32(dev, BCM43xx_MMIO_STATUS_BITFIELD);
value &= ~BCM43xx_SBF_XFER_REG_BYTESWAP;
- bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, value);
+ bcm43xx_write32(dev, BCM43xx_MMIO_STATUS_BITFIELD, value);
- qsize = bcm43xx_read16(bcm, queue->mmio_base + BCM43xx_PIO_TXQBUFSIZE);
+ qsize = bcm43xx_read16(dev, queue->mmio_base + BCM43xx_PIO_TXQBUFSIZE);
if (qsize == 0) {
- printk(KERN_ERR PFX "ERROR: This card does not support PIO "
- "operation mode. Please use DMA mode "
- "(module parameter pio=0).\n");
+ bcmerr(dev->wl, "This card does not support PIO "
+ "operation mode. Please use DMA mode "
+ "(module parameter pio=0).\n");
goto err_freequeue;
}
if (qsize <= BCM43xx_PIO_TXQADJUST) {
- printk(KERN_ERR PFX "PIO tx device-queue too small (%u)\n",
+ bcmerr(dev->wl, "PIO tx device-queue too small (%u)\n",
qsize);
goto err_freequeue;
}
@@ -375,7 +370,6 @@ static void cancel_transfers(struct bcm4
{
struct bcm43xx_pio_txpacket *packet, *tmp_packet;
- netif_tx_disable(queue->bcm->net_dev);
tasklet_disable(&queue->txtask);
list_for_each_entry_safe(packet, tmp_packet, &queue->txrunning, list)
@@ -393,13 +387,13 @@ static void bcm43xx_destroy_pioqueue(str
kfree(queue);
}
-void bcm43xx_pio_free(struct bcm43xx_private *bcm)
+void bcm43xx_pio_free(struct bcm43xx_wldev *dev)
{
struct bcm43xx_pio *pio;
- if (!bcm43xx_using_pio(bcm))
+ if (!bcm43xx_using_pio(dev))
return;
- pio = bcm43xx_current_pio(bcm);
+ pio = &dev->pio;
bcm43xx_destroy_pioqueue(pio->queue3);
pio->queue3 = NULL;
@@ -411,36 +405,36 @@ void bcm43xx_pio_free(struct bcm43xx_pri
pio->queue0 = NULL;
}
-int bcm43xx_pio_init(struct bcm43xx_private *bcm)
+int bcm43xx_pio_init(struct bcm43xx_wldev *dev)
{
- struct bcm43xx_pio *pio = bcm43xx_current_pio(bcm);
+ struct bcm43xx_pio *pio = &dev->pio;
struct bcm43xx_pioqueue *queue;
int err = -ENOMEM;
- queue = bcm43xx_setup_pioqueue(bcm, BCM43xx_MMIO_PIO1_BASE);
+ queue = bcm43xx_setup_pioqueue(dev, BCM43xx_MMIO_PIO1_BASE);
if (!queue)
goto out;
pio->queue0 = queue;
- queue = bcm43xx_setup_pioqueue(bcm, BCM43xx_MMIO_PIO2_BASE);
+ queue = bcm43xx_setup_pioqueue(dev, BCM43xx_MMIO_PIO2_BASE);
if (!queue)
goto err_destroy0;
pio->queue1 = queue;
- queue = bcm43xx_setup_pioqueue(bcm, BCM43xx_MMIO_PIO3_BASE);
+ queue = bcm43xx_setup_pioqueue(dev, BCM43xx_MMIO_PIO3_BASE);
if (!queue)
goto err_destroy1;
pio->queue2 = queue;
- queue = bcm43xx_setup_pioqueue(bcm, BCM43xx_MMIO_PIO4_BASE);
+ queue = bcm43xx_setup_pioqueue(dev, BCM43xx_MMIO_PIO4_BASE);
if (!queue)
goto err_destroy2;
pio->queue3 = queue;
- if (bcm->current_core->rev < 3)
- bcm->irq_savedstate |= BCM43xx_IRQ_PIO_WORKAROUND;
+ if (dev->dev->id.revision < 3)
+ dev->irq_savedstate |= BCM43xx_IRQ_PIO_WORKAROUND;
- dprintk(KERN_INFO PFX "PIO initialized\n");
+ bcmdbg(dev->wl, "PIO initialized\n");
err = 0;
out:
return err;
@@ -457,48 +451,53 @@ err_destroy0:
goto out;
}
-int bcm43xx_pio_tx(struct bcm43xx_private *bcm,
- struct ieee80211_txb *txb)
+int bcm43xx_pio_tx(struct bcm43xx_wldev *dev,
+ struct sk_buff *skb,
+ struct ieee80211_tx_control *ctl)
{
- struct bcm43xx_pioqueue *queue = bcm43xx_current_pio(bcm)->queue1;
+ struct bcm43xx_pioqueue *queue = dev->pio.queue1;
struct bcm43xx_pio_txpacket *packet;
- assert(!queue->tx_suspended);
- assert(!list_empty(&queue->txfree));
+ BCM43xx_WARN_ON(queue->tx_suspended);
+ BCM43xx_WARN_ON(list_empty(&queue->txfree));
packet = list_entry(queue->txfree.next, struct bcm43xx_pio_txpacket, list);
- packet->txb = txb;
- packet->xmitted_frags = 0;
- packet->xmitted_octets = 0;
+ packet->skb = skb;
+
+ memset(&packet->txstat, 0, sizeof(packet->txstat));
+ memcpy(&packet->txstat.control, ctl, sizeof(*ctl));
+
list_move_tail(&packet->list, &queue->txqueue);
queue->nr_txfree--;
- assert(queue->nr_txfree < BCM43xx_PIO_MAXTXPACKETS);
-
- /* Suspend TX, if we are out of packets in the "free" queue. */
- if (list_empty(&queue->txfree)) {
- netif_stop_queue(queue->bcm->net_dev);
- queue->tx_suspended = 1;
- }
+ queue->nr_tx_packets++;
+ BCM43xx_WARN_ON(queue->nr_txfree >= BCM43xx_PIO_MAXTXPACKETS);
tasklet_schedule(&queue->txtask);
return 0;
}
-void bcm43xx_pio_handle_xmitstatus(struct bcm43xx_private *bcm,
- struct bcm43xx_xmitstatus *status)
+void bcm43xx_pio_handle_txstatus(struct bcm43xx_wldev *dev,
+ const struct bcm43xx_txstatus *status)
{
struct bcm43xx_pioqueue *queue;
struct bcm43xx_pio_txpacket *packet;
- queue = parse_cookie(bcm, status->cookie, &packet);
- assert(queue);
+ queue = parse_cookie(dev, status->cookie, &packet);
+ BCM43xx_WARN_ON(!queue);
+
+ queue->tx_devq_packets--;
+ queue->tx_devq_used -= (packet->skb->len +
+ sizeof(struct bcm43xx_txhdr_fw3));
+
+ if (status->acked)
+ packet->txstat.flags |= IEEE80211_TX_STATUS_ACK;
+ packet->txstat.retry_count = status->frame_count - 1;
+ ieee80211_tx_status_irqsafe(dev->wl->hw, packet->skb,
+ &(packet->txstat));
+ packet->skb = NULL;
free_txpacket(packet, 1);
- if (queue->tx_suspended) {
- queue->tx_suspended = 0;
- netif_wake_queue(queue->bcm->net_dev);
- }
/* If there are packets on the txqueue, poke the tasklet
* to transmit them.
*/
@@ -506,17 +505,31 @@ void bcm43xx_pio_handle_xmitstatus(struc
tasklet_schedule(&queue->txtask);
}
+void bcm43xx_pio_get_tx_stats(struct bcm43xx_wldev *dev,
+ struct ieee80211_tx_queue_stats *stats)
+{
+ struct bcm43xx_pio *pio = &dev->pio;
+ struct bcm43xx_pioqueue *queue;
+ struct ieee80211_tx_queue_stats_data *data;
+
+ queue = pio->queue1;
+ data = &(stats->data[0]);
+ data->len = BCM43xx_PIO_MAXTXPACKETS - queue->nr_txfree;
+ data->limit = BCM43xx_PIO_MAXTXPACKETS;
+ data->count = queue->nr_tx_packets;
+}
+
static void pio_rx_error(struct bcm43xx_pioqueue *queue,
int clear_buffers,
const char *error)
{
int i;
- printkl("PIO RX error: %s\n", error);
+ bcmerr(queue->dev->wl, "PIO RX error: %s\n", error);
bcm43xx_pio_write(queue, BCM43xx_PIO_RXCTL,
BCM43xx_PIO_RXCTL_READY);
if (clear_buffers) {
- assert(queue->mmio_base == BCM43xx_MMIO_PIO1_BASE);
+ BCM43xx_WARN_ON(queue->mmio_base != BCM43xx_MMIO_PIO1_BASE);
for (i = 0; i < 15; i++) {
/* Dummy read. */
bcm43xx_pio_read(queue, BCM43xx_PIO_RXDATA);
@@ -527,9 +540,12 @@ static void pio_rx_error(struct bcm43xx_
void bcm43xx_pio_rx(struct bcm43xx_pioqueue *queue)
{
u16 preamble[21] = { 0 };
- struct bcm43xx_rxhdr *rxhdr;
- u16 tmp, len, rxflags2;
- int i, preamble_readwords;
+ struct bcm43xx_rxhdr_fw3 *rxhdr;
+ u16 tmp;
+ u16 len;
+ u16 macstat;
+ int i;
+ int preamble_readwords;
struct sk_buff *skb;
tmp = bcm43xx_pio_read(queue, BCM43xx_PIO_RXCTL);
@@ -544,7 +560,7 @@ void bcm43xx_pio_rx(struct bcm43xx_pioqu
goto data_ready;
udelay(10);
}
- dprintkl(KERN_ERR PFX "PIO RX timed out\n");
+ bcmdbg(queue->dev->wl, "PIO RX timed out\n");
return;
data_ready:
@@ -566,29 +582,20 @@ data_ready:
tmp = bcm43xx_pio_read(queue, BCM43xx_PIO_RXDATA);
preamble[i + 1] = cpu_to_le16(tmp);
}
- rxhdr = (struct bcm43xx_rxhdr *)preamble;
- rxflags2 = le16_to_cpu(rxhdr->flags2);
- if (unlikely(rxflags2 & BCM43xx_RXHDR_FLAGS2_INVALIDFRAME)) {
+ rxhdr = (struct bcm43xx_rxhdr_fw3 *)preamble;
+ macstat = le16_to_cpu(rxhdr->mac_status);
+ if (macstat & BCM43xx_RX_MAC_FCSERR) {
pio_rx_error(queue,
(queue->mmio_base == BCM43xx_MMIO_PIO1_BASE),
- "invalid frame");
+ "Frame FCS error");
return;
}
if (queue->mmio_base == BCM43xx_MMIO_PIO4_BASE) {
/* We received an xmit status. */
- struct bcm43xx_hwxmitstatus *hw;
- struct bcm43xx_xmitstatus stat;
-
- hw = (struct bcm43xx_hwxmitstatus *)(preamble + 1);
- stat.cookie = le16_to_cpu(hw->cookie);
- stat.flags = hw->flags;
- stat.cnt1 = hw->cnt1;
- stat.cnt2 = hw->cnt2;
- stat.seq = le16_to_cpu(hw->seq);
- stat.unknown = le16_to_cpu(hw->unknown);
+ struct bcm43xx_hwtxstatus *hw;
- bcm43xx_debugfs_log_txstat(queue->bcm, &stat);
- bcm43xx_pio_handle_xmitstatus(queue->bcm, &stat);
+ hw = (struct bcm43xx_hwtxstatus *)(preamble + 1);
+ bcm43xx_handle_hwtxstatus(queue->dev, hw);
return;
}
@@ -606,24 +613,13 @@ data_ready:
if (len % 2) {
tmp = bcm43xx_pio_read(queue, BCM43xx_PIO_RXDATA);
skb->data[len - 1] = (tmp & 0x00FF);
-/* The specs say the following is required, but
- * it is wrong and corrupts the PLCP. If we don't do
- * this, the PLCP seems to be correct. So ifdef it out for now.
- */
-#if 0
- if (rxflags2 & BCM43xx_RXHDR_FLAGS2_TYPE2FRAME)
- skb->data[2] = (tmp & 0xFF00) >> 8;
- else
- skb->data[0] = (tmp & 0xFF00) >> 8;
-#endif
}
- skb_trim(skb, len - IEEE80211_FCS_LEN);
- bcm43xx_rx(queue->bcm, skb, rxhdr);
+ bcm43xx_rx(queue->dev, skb, rxhdr);
}
void bcm43xx_pio_tx_suspend(struct bcm43xx_pioqueue *queue)
{
- bcm43xx_power_saving_ctl_bits(queue->bcm, -1, 1);
+ bcm43xx_power_saving_ctl_bits(queue->dev, -1, 1);
bcm43xx_pio_write(queue, BCM43xx_PIO_TXCTL,
bcm43xx_pio_read(queue, BCM43xx_PIO_TXCTL)
| BCM43xx_PIO_TXCTL_SUSPEND);
@@ -634,29 +630,28 @@ void bcm43xx_pio_tx_resume(struct bcm43x
bcm43xx_pio_write(queue, BCM43xx_PIO_TXCTL,
bcm43xx_pio_read(queue, BCM43xx_PIO_TXCTL)
& ~BCM43xx_PIO_TXCTL_SUSPEND);
- bcm43xx_power_saving_ctl_bits(queue->bcm, -1, -1);
- if (!list_empty(&queue->txqueue))
- tasklet_schedule(&queue->txtask);
+ bcm43xx_power_saving_ctl_bits(queue->dev, -1, -1);
+ tasklet_schedule(&queue->txtask);
}
-void bcm43xx_pio_freeze_txqueues(struct bcm43xx_private *bcm)
+void bcm43xx_pio_freeze_txqueues(struct bcm43xx_wldev *dev)
{
struct bcm43xx_pio *pio;
- assert(bcm43xx_using_pio(bcm));
- pio = bcm43xx_current_pio(bcm);
+ BCM43xx_WARN_ON(!bcm43xx_using_pio(dev));
+ pio = &dev->pio;
pio->queue0->tx_frozen = 1;
pio->queue1->tx_frozen = 1;
pio->queue2->tx_frozen = 1;
pio->queue3->tx_frozen = 1;
}
-void bcm43xx_pio_thaw_txqueues(struct bcm43xx_private *bcm)
+void bcm43xx_pio_thaw_txqueues(struct bcm43xx_wldev *dev)
{
struct bcm43xx_pio *pio;
- assert(bcm43xx_using_pio(bcm));
- pio = bcm43xx_current_pio(bcm);
+ BCM43xx_WARN_ON(!bcm43xx_using_pio(dev));
+ pio = &dev->pio;
pio->queue0->tx_frozen = 0;
pio->queue1->tx_frozen = 0;
pio->queue2->tx_frozen = 0;
@@ -670,5 +665,3 @@ void bcm43xx_pio_thaw_txqueues(struct bc
if (!list_empty(&pio->queue3->txqueue))
tasklet_schedule(&pio->queue3->txtask);
}
-
-
Index: linux-2.6/drivers/net/wireless/bcm43xx/bcm43xx_pio.h
===================================================================
--- linux-2.6.orig/drivers/net/wireless/bcm43xx/bcm43xx_pio.h
+++ linux-2.6/drivers/net/wireless/bcm43xx/bcm43xx_pio.h
@@ -40,22 +40,21 @@ struct bcm43xx_xmitstatus;
struct bcm43xx_pio_txpacket {
struct bcm43xx_pioqueue *queue;
- struct ieee80211_txb *txb;
+ struct sk_buff *skb;
+ struct ieee80211_tx_status txstat;
struct list_head list;
-
- u8 xmitted_frags;
- u16 xmitted_octets;
};
-#define pio_txpacket_getindex(packet) ((int)((packet) - (packet)->queue->tx_packets_cache))
+#define pio_txpacket_getindex(packet) ((int)((packet) - \
+ (packet)->queue->tx_packets_cache))
struct bcm43xx_pioqueue {
- struct bcm43xx_private *bcm;
+ struct bcm43xx_wldev *dev;
u16 mmio_base;
- u8 tx_suspended:1,
- tx_frozen:1,
- need_workarounds:1; /* Workarounds needed for core.rev < 3 */
+ bool tx_suspended;
+ bool tx_frozen;
+ bool need_workarounds; /* Workarounds needed for core.rev < 3 */
/* Adjusted size of the device internal TX buffer. */
u16 tx_devq_size;
@@ -88,54 +87,63 @@ static inline
u16 bcm43xx_pio_read(struct bcm43xx_pioqueue *queue,
u16 offset)
{
- return bcm43xx_read16(queue->bcm, queue->mmio_base + offset);
+ return bcm43xx_read16(queue->dev, queue->mmio_base + offset);
}
static inline
void bcm43xx_pio_write(struct bcm43xx_pioqueue *queue,
u16 offset, u16 value)
{
- bcm43xx_write16(queue->bcm, queue->mmio_base + offset, value);
+ bcm43xx_write16(queue->dev, queue->mmio_base + offset, value);
mmiowb();
}
-int bcm43xx_pio_init(struct bcm43xx_private *bcm);
-void bcm43xx_pio_free(struct bcm43xx_private *bcm);
+int bcm43xx_pio_init(struct bcm43xx_wldev *dev);
+void bcm43xx_pio_free(struct bcm43xx_wldev *dev);
-int bcm43xx_pio_tx(struct bcm43xx_private *bcm,
- struct ieee80211_txb *txb);
-void bcm43xx_pio_handle_xmitstatus(struct bcm43xx_private *bcm,
- struct bcm43xx_xmitstatus *status);
+int bcm43xx_pio_tx(struct bcm43xx_wldev *dev,
+ struct sk_buff *skb,
+ struct ieee80211_tx_control *ctl);
+void bcm43xx_pio_handle_txstatus(struct bcm43xx_wldev *dev,
+ const struct bcm43xx_txstatus *status);
+void bcm43xx_pio_get_tx_stats(struct bcm43xx_wldev *dev,
+ struct ieee80211_tx_queue_stats *stats);
void bcm43xx_pio_rx(struct bcm43xx_pioqueue *queue);
-/* Suspend a TX queue on hardware level. */
+/* Suspend TX queue in hardware. */
void bcm43xx_pio_tx_suspend(struct bcm43xx_pioqueue *queue);
void bcm43xx_pio_tx_resume(struct bcm43xx_pioqueue *queue);
/* Suspend (freeze) the TX tasklet (software level). */
-void bcm43xx_pio_freeze_txqueues(struct bcm43xx_private *bcm);
-void bcm43xx_pio_thaw_txqueues(struct bcm43xx_private *bcm);
+void bcm43xx_pio_freeze_txqueues(struct bcm43xx_wldev *dev);
+void bcm43xx_pio_thaw_txqueues(struct bcm43xx_wldev *dev);
#else /* CONFIG_BCM43XX_PIO */
static inline
-int bcm43xx_pio_init(struct bcm43xx_private *bcm)
+int bcm43xx_pio_init(struct bcm43xx_wldev *dev)
{
return 0;
}
static inline
-void bcm43xx_pio_free(struct bcm43xx_private *bcm)
+void bcm43xx_pio_free(struct bcm43xx_wldev *dev)
{
}
static inline
-int bcm43xx_pio_tx(struct bcm43xx_private *bcm,
- struct ieee80211_txb *txb)
+int bcm43xx_pio_tx(struct bcm43xx_wldev *dev,
+ struct sk_buff *skb,
+ struct ieee80211_tx_control *ctl)
{
return 0;
}
static inline
-void bcm43xx_pio_handle_xmitstatus(struct bcm43xx_private *bcm,
- struct bcm43xx_xmitstatus *status)
+void bcm43xx_pio_handle_txstatus(struct bcm43xx_wldev *dev,
+ const struct bcm43xx_txstatus *status)
+{
+}
+static inline
+void bcm43xx_pio_get_tx_stats(struct bcm43xx_wldev *dev,
+ struct ieee80211_tx_queue_stats *stats)
{
}
static inline
@@ -151,11 +159,11 @@ void bcm43xx_pio_tx_resume(struct bcm43x
{
}
static inline
-void bcm43xx_pio_freeze_txqueues(struct bcm43xx_private *bcm)
+void bcm43xx_pio_freeze_txqueues(struct bcm43xx_wldev *dev)
{
}
static inline
-void bcm43xx_pio_thaw_txqueues(struct bcm43xx_private *bcm)
+void bcm43xx_pio_thaw_txqueues(struct bcm43xx_wldev *dev)
{
}
-
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