aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/b43legacy
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/b43legacy')
-rw-r--r--drivers/net/wireless/b43legacy/b43legacy.h20
-rw-r--r--drivers/net/wireless/b43legacy/dma.c81
-rw-r--r--drivers/net/wireless/b43legacy/dma.h5
-rw-r--r--drivers/net/wireless/b43legacy/leds.c4
-rw-r--r--drivers/net/wireless/b43legacy/main.c150
-rw-r--r--drivers/net/wireless/b43legacy/radio.c20
6 files changed, 178 insertions, 102 deletions
diff --git a/drivers/net/wireless/b43legacy/b43legacy.h b/drivers/net/wireless/b43legacy/b43legacy.h
index 1d4fc9db7f5e..98e3d44400c6 100644
--- a/drivers/net/wireless/b43legacy/b43legacy.h
+++ b/drivers/net/wireless/b43legacy/b43legacy.h
@@ -560,8 +560,16 @@ struct b43legacy_key {
u8 algorithm;
};
+#define B43legacy_QOS_QUEUE_NUM 4
+
struct b43legacy_wldev;
+/* QOS parameters for a queue. */
+struct b43legacy_qos_params {
+ /* The QOS parameters */
+ struct ieee80211_tx_queue_params p;
+};
+
/* Data structure for the WLAN parts (802.11 cores) of the b43legacy chip. */
struct b43legacy_wl {
/* Pointer to the active wireless device on this chip */
@@ -611,6 +619,18 @@ struct b43legacy_wl {
bool beacon1_uploaded;
bool beacon_templates_virgin; /* Never wrote the templates? */
struct work_struct beacon_update_trigger;
+ /* The current QOS parameters for the 4 queues. */
+ struct b43legacy_qos_params qos_params[B43legacy_QOS_QUEUE_NUM];
+
+ /* Packet transmit work */
+ struct work_struct tx_work;
+
+ /* Queue of packets to be transmitted. */
+ struct sk_buff_head tx_queue[B43legacy_QOS_QUEUE_NUM];
+
+ /* Flag that implement the queues stopping. */
+ bool tx_queue_stopped[B43legacy_QOS_QUEUE_NUM];
+
};
/* Pointers to the firmware data and meta information about it. */
diff --git a/drivers/net/wireless/b43legacy/dma.c b/drivers/net/wireless/b43legacy/dma.c
index c5535adf6991..f1f8bd09bd87 100644
--- a/drivers/net/wireless/b43legacy/dma.c
+++ b/drivers/net/wireless/b43legacy/dma.c
@@ -715,7 +715,7 @@ struct b43legacy_dmaring *b43legacy_setup_dmaring(struct b43legacy_wldev *dev,
ring->mmio_base = b43legacy_dmacontroller_base(type, controller_index);
ring->index = controller_index;
if (for_tx) {
- ring->tx = 1;
+ ring->tx = true;
ring->current_slot = -1;
} else {
if (ring->index == 0) {
@@ -727,7 +727,6 @@ struct b43legacy_dmaring *b43legacy_setup_dmaring(struct b43legacy_wldev *dev,
} else
B43legacy_WARN_ON(1);
}
- spin_lock_init(&ring->lock);
#ifdef CONFIG_B43LEGACY_DEBUG
ring->last_injected_overflow = jiffies;
#endif
@@ -806,7 +805,7 @@ void b43legacy_dma_free(struct b43legacy_wldev *dev)
static int b43legacy_dma_set_mask(struct b43legacy_wldev *dev, u64 mask)
{
u64 orig_mask = mask;
- bool fallback = 0;
+ bool fallback = false;
int err;
/* Try to set the DMA mask. If it fails, try falling back to a
@@ -820,12 +819,12 @@ static int b43legacy_dma_set_mask(struct b43legacy_wldev *dev, u64 mask)
}
if (mask == DMA_BIT_MASK(64)) {
mask = DMA_BIT_MASK(32);
- fallback = 1;
+ fallback = true;
continue;
}
if (mask == DMA_BIT_MASK(32)) {
mask = DMA_BIT_MASK(30);
- fallback = 1;
+ fallback = true;
continue;
}
b43legacyerr(dev->wl, "The machine/kernel does not support "
@@ -858,7 +857,7 @@ int b43legacy_dma_init(struct b43legacy_wldev *dev)
#ifdef CONFIG_B43LEGACY_PIO
b43legacywarn(dev->wl, "DMA for this device not supported. "
"Falling back to PIO\n");
- dev->__using_pio = 1;
+ dev->__using_pio = true;
return -EAGAIN;
#else
b43legacyerr(dev->wl, "DMA for this device not supported and "
@@ -1068,7 +1067,7 @@ static int dma_tx_fragment(struct b43legacy_dmaring *ring,
memset(meta, 0, sizeof(*meta));
meta->skb = skb;
- meta->is_last_fragment = 1;
+ meta->is_last_fragment = true;
meta->dmaaddr = map_descbuffer(ring, skb->data, skb->len, 1);
/* create a bounce buffer in zone_dma on mapping failure. */
@@ -1144,10 +1143,8 @@ int b43legacy_dma_tx(struct b43legacy_wldev *dev,
{
struct b43legacy_dmaring *ring;
int err = 0;
- unsigned long flags;
ring = priority_to_txring(dev, skb_get_queue_mapping(skb));
- spin_lock_irqsave(&ring->lock, flags);
B43legacy_WARN_ON(!ring->tx);
if (unlikely(ring->stopped)) {
@@ -1157,16 +1154,14 @@ int b43legacy_dma_tx(struct b43legacy_wldev *dev,
* For now, just refuse the transmit. */
if (b43legacy_debug(dev, B43legacy_DBG_DMAVERBOSE))
b43legacyerr(dev->wl, "Packet after queue stopped\n");
- err = -ENOSPC;
- goto out_unlock;
+ return -ENOSPC;
}
if (unlikely(WARN_ON(free_slots(ring) < SLOTS_PER_PACKET))) {
/* If we get here, we have a real error with the queue
* full, but queues not stopped. */
b43legacyerr(dev->wl, "DMA queue overflow\n");
- err = -ENOSPC;
- goto out_unlock;
+ return -ENOSPC;
}
/* dma_tx_fragment might reallocate the skb, so invalidate pointers pointing
@@ -1176,25 +1171,23 @@ int b43legacy_dma_tx(struct b43legacy_wldev *dev,
/* Drop this packet, as we don't have the encryption key
* anymore and must not transmit it unencrypted. */
dev_kfree_skb_any(skb);
- err = 0;
- goto out_unlock;
+ return 0;
}
if (unlikely(err)) {
b43legacyerr(dev->wl, "DMA tx mapping failure\n");
- goto out_unlock;
+ return err;
}
if ((free_slots(ring) < SLOTS_PER_PACKET) ||
should_inject_overflow(ring)) {
/* This TX ring is full. */
- ieee80211_stop_queue(dev->wl->hw, txring_to_priority(ring));
- ring->stopped = 1;
+ unsigned int skb_mapping = skb_get_queue_mapping(skb);
+ ieee80211_stop_queue(dev->wl->hw, skb_mapping);
+ dev->wl->tx_queue_stopped[skb_mapping] = 1;
+ ring->stopped = true;
if (b43legacy_debug(dev, B43legacy_DBG_DMAVERBOSE))
b43legacydbg(dev->wl, "Stopped TX ring %d\n",
ring->index);
}
-out_unlock:
- spin_unlock_irqrestore(&ring->lock, flags);
-
return err;
}
@@ -1205,14 +1198,29 @@ void b43legacy_dma_handle_txstatus(struct b43legacy_wldev *dev,
struct b43legacy_dmadesc_meta *meta;
int retry_limit;
int slot;
+ int firstused;
ring = parse_cookie(dev, status->cookie, &slot);
if (unlikely(!ring))
return;
- B43legacy_WARN_ON(!irqs_disabled());
- spin_lock(&ring->lock);
-
B43legacy_WARN_ON(!ring->tx);
+
+ /* Sanity check: TX packets are processed in-order on one ring.
+ * Check if the slot deduced from the cookie really is the first
+ * used slot. */
+ firstused = ring->current_slot - ring->used_slots + 1;
+ if (firstused < 0)
+ firstused = ring->nr_slots + firstused;
+ if (unlikely(slot != firstused)) {
+ /* This possibly is a firmware bug and will result in
+ * malfunction, memory leaks and/or stall of DMA functionality.
+ */
+ b43legacydbg(dev->wl, "Out of order TX status report on DMA "
+ "ring %d. Expected %d, but got %d\n",
+ ring->index, firstused, slot);
+ return;
+ }
+
while (1) {
B43legacy_WARN_ON(!(slot >= 0 && slot < ring->nr_slots));
op32_idx2desc(ring, slot, &meta);
@@ -1285,14 +1293,21 @@ void b43legacy_dma_handle_txstatus(struct b43legacy_wldev *dev,
dev->stats.last_tx = jiffies;
if (ring->stopped) {
B43legacy_WARN_ON(free_slots(ring) < SLOTS_PER_PACKET);
- ieee80211_wake_queue(dev->wl->hw, txring_to_priority(ring));
- ring->stopped = 0;
+ ring->stopped = false;
+ }
+
+ if (dev->wl->tx_queue_stopped[ring->queue_prio]) {
+ dev->wl->tx_queue_stopped[ring->queue_prio] = 0;
+ } else {
+ /* If the driver queue is running wake the corresponding
+ * mac80211 queue. */
+ ieee80211_wake_queue(dev->wl->hw, ring->queue_prio);
if (b43legacy_debug(dev, B43legacy_DBG_DMAVERBOSE))
b43legacydbg(dev->wl, "Woke up TX ring %d\n",
- ring->index);
+ ring->index);
}
-
- spin_unlock(&ring->lock);
+ /* Add work to the queue. */
+ ieee80211_queue_work(dev->wl->hw, &dev->wl->tx_work);
}
static void dma_rx(struct b43legacy_dmaring *ring,
@@ -1415,22 +1430,14 @@ void b43legacy_dma_rx(struct b43legacy_dmaring *ring)
static void b43legacy_dma_tx_suspend_ring(struct b43legacy_dmaring *ring)
{
- unsigned long flags;
-
- spin_lock_irqsave(&ring->lock, flags);
B43legacy_WARN_ON(!ring->tx);
op32_tx_suspend(ring);
- spin_unlock_irqrestore(&ring->lock, flags);
}
static void b43legacy_dma_tx_resume_ring(struct b43legacy_dmaring *ring)
{
- unsigned long flags;
-
- spin_lock_irqsave(&ring->lock, flags);
B43legacy_WARN_ON(!ring->tx);
op32_tx_resume(ring);
- spin_unlock_irqrestore(&ring->lock, flags);
}
void b43legacy_dma_tx_suspend(struct b43legacy_wldev *dev)
diff --git a/drivers/net/wireless/b43legacy/dma.h b/drivers/net/wireless/b43legacy/dma.h
index 504a58767e95..c3282f906bc7 100644
--- a/drivers/net/wireless/b43legacy/dma.h
+++ b/drivers/net/wireless/b43legacy/dma.h
@@ -150,8 +150,9 @@ struct b43legacy_dmaring {
enum b43legacy_dmatype type;
/* Boolean. Is this ring stopped at ieee80211 level? */
bool stopped;
- /* Lock, only used for TX. */
- spinlock_t lock;
+ /* The QOS priority assigned to this ring. Only used for TX rings.
+ * This is the mac80211 "queue" value. */
+ u8 queue_prio;
struct b43legacy_wldev *dev;
#ifdef CONFIG_B43LEGACY_DEBUG
/* Maximum number of used slots. */
diff --git a/drivers/net/wireless/b43legacy/leds.c b/drivers/net/wireless/b43legacy/leds.c
index 2f1bfdc44f94..fd4565389c77 100644
--- a/drivers/net/wireless/b43legacy/leds.c
+++ b/drivers/net/wireless/b43legacy/leds.c
@@ -203,11 +203,11 @@ void b43legacy_leds_init(struct b43legacy_wldev *dev)
if (sprom[i] == 0xFF) {
/* There is no LED information in the SPROM
* for this LED. Hardcode it here. */
- activelow = 0;
+ activelow = false;
switch (i) {
case 0:
behaviour = B43legacy_LED_ACTIVITY;
- activelow = 1;
+ activelow = true;
if (bus->boardinfo.vendor == PCI_VENDOR_ID_COMPAQ)
behaviour = B43legacy_LED_RADIO_ALL;
break;
diff --git a/drivers/net/wireless/b43legacy/main.c b/drivers/net/wireless/b43legacy/main.c
index 20f02437af8c..75e70bce40f6 100644
--- a/drivers/net/wireless/b43legacy/main.c
+++ b/drivers/net/wireless/b43legacy/main.c
@@ -722,9 +722,9 @@ void b43legacy_wireless_core_reset(struct b43legacy_wldev *dev, u32 flags)
macctl &= ~B43legacy_MACCTL_GMODE;
if (flags & B43legacy_TMSLOW_GMODE) {
macctl |= B43legacy_MACCTL_GMODE;
- dev->phy.gmode = 1;
+ dev->phy.gmode = true;
} else
- dev->phy.gmode = 0;
+ dev->phy.gmode = false;
macctl |= B43legacy_MACCTL_IHR_ENABLED;
b43legacy_write32(dev, B43legacy_MMIO_MACCTL, macctl);
}
@@ -811,7 +811,7 @@ static void b43legacy_calculate_link_quality(struct b43legacy_wldev *dev)
if (dev->noisecalc.calculation_running)
return;
dev->noisecalc.channel_at_start = dev->phy.channel;
- dev->noisecalc.calculation_running = 1;
+ dev->noisecalc.calculation_running = true;
dev->noisecalc.nr_samples = 0;
b43legacy_generate_noise_sample(dev);
@@ -873,7 +873,7 @@ static void handle_irq_noise(struct b43legacy_wldev *dev)
dev->stats.link_noise = average;
drop_calculation:
- dev->noisecalc.calculation_running = 0;
+ dev->noisecalc.calculation_running = false;
return;
}
generate_new:
@@ -889,7 +889,7 @@ static void handle_irq_tbtt_indication(struct b43legacy_wldev *dev)
b43legacy_power_saving_ctl_bits(dev, -1, -1);
}
if (b43legacy_is_mode(dev->wl, NL80211_IFTYPE_ADHOC))
- dev->dfq_valid = 1;
+ dev->dfq_valid = true;
}
static void handle_irq_atim_end(struct b43legacy_wldev *dev)
@@ -898,7 +898,7 @@ static void handle_irq_atim_end(struct b43legacy_wldev *dev)
b43legacy_write32(dev, B43legacy_MMIO_MACCMD,
b43legacy_read32(dev, B43legacy_MMIO_MACCMD)
| B43legacy_MACCMD_DFQ_VALID);
- dev->dfq_valid = 0;
+ dev->dfq_valid = false;
}
}
@@ -971,7 +971,7 @@ static void b43legacy_write_beacon_template(struct b43legacy_wldev *dev,
unsigned int i, len, variable_len;
const struct ieee80211_mgmt *bcn;
const u8 *ie;
- bool tim_found = 0;
+ bool tim_found = false;
unsigned int rate;
u16 ctl;
int antenna;
@@ -1019,7 +1019,7 @@ static void b43legacy_write_beacon_template(struct b43legacy_wldev *dev,
/* A valid TIM is at least 4 bytes long. */
if (ie_len < 4)
break;
- tim_found = 1;
+ tim_found = true;
tim_position = sizeof(struct b43legacy_plcp_hdr6);
tim_position += offsetof(struct ieee80211_mgmt,
@@ -1172,7 +1172,7 @@ static void b43legacy_upload_beacon0(struct b43legacy_wldev *dev)
* but we don't use that feature anyway. */
b43legacy_write_probe_resp_template(dev, 0x268, 0x4A,
&__b43legacy_ratetable[3]);
- wl->beacon0_uploaded = 1;
+ wl->beacon0_uploaded = true;
}
static void b43legacy_upload_beacon1(struct b43legacy_wldev *dev)
@@ -1182,7 +1182,7 @@ static void b43legacy_upload_beacon1(struct b43legacy_wldev *dev)
if (wl->beacon1_uploaded)
return;
b43legacy_write_beacon_template(dev, 0x468, 0x1A);
- wl->beacon1_uploaded = 1;
+ wl->beacon1_uploaded = true;
}
static void handle_irq_beacon(struct b43legacy_wldev *dev)
@@ -1212,7 +1212,7 @@ static void handle_irq_beacon(struct b43legacy_wldev *dev)
if (unlikely(wl->beacon_templates_virgin)) {
/* We never uploaded a beacon before.
* Upload both templates now, but only mark one valid. */
- wl->beacon_templates_virgin = 0;
+ wl->beacon_templates_virgin = false;
b43legacy_upload_beacon0(dev);
b43legacy_upload_beacon1(dev);
cmd = b43legacy_read32(dev, B43legacy_MMIO_MACCMD);
@@ -1275,8 +1275,8 @@ static void b43legacy_update_templates(struct b43legacy_wl *wl)
if (wl->current_beacon)
dev_kfree_skb_any(wl->current_beacon);
wl->current_beacon = beacon;
- wl->beacon0_uploaded = 0;
- wl->beacon1_uploaded = 0;
+ wl->beacon0_uploaded = false;
+ wl->beacon1_uploaded = false;
ieee80211_queue_work(wl->hw, &wl->beacon_update_trigger);
}
@@ -2440,30 +2440,64 @@ static int b43legacy_rng_init(struct b43legacy_wl *wl)
return err;
}
+static void b43legacy_tx_work(struct work_struct *work)
+{
+ struct b43legacy_wl *wl = container_of(work, struct b43legacy_wl,
+ tx_work);
+ struct b43legacy_wldev *dev;
+ struct sk_buff *skb;
+ int queue_num;
+ int err = 0;
+
+ mutex_lock(&wl->mutex);
+ dev = wl->current_dev;
+ if (unlikely(!dev || b43legacy_status(dev) < B43legacy_STAT_STARTED)) {
+ mutex_unlock(&wl->mutex);
+ return;
+ }
+
+ for (queue_num = 0; queue_num < B43legacy_QOS_QUEUE_NUM; queue_num++) {
+ while (skb_queue_len(&wl->tx_queue[queue_num])) {
+ skb = skb_dequeue(&wl->tx_queue[queue_num]);
+ if (b43legacy_using_pio(dev))
+ err = b43legacy_pio_tx(dev, skb);
+ else
+ err = b43legacy_dma_tx(dev, skb);
+ if (err == -ENOSPC) {
+ wl->tx_queue_stopped[queue_num] = 1;
+ ieee80211_stop_queue(wl->hw, queue_num);
+ skb_queue_head(&wl->tx_queue[queue_num], skb);
+ break;
+ }
+ if (unlikely(err))
+ dev_kfree_skb(skb); /* Drop it */
+ err = 0;
+ }
+
+ if (!err)
+ wl->tx_queue_stopped[queue_num] = 0;
+ }
+
+ mutex_unlock(&wl->mutex);
+}
+
static void b43legacy_op_tx(struct ieee80211_hw *hw,
struct sk_buff *skb)
{
struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw);
- struct b43legacy_wldev *dev = wl->current_dev;
- int err = -ENODEV;
- unsigned long flags;
- if (unlikely(!dev))
- goto out;
- if (unlikely(b43legacy_status(dev) < B43legacy_STAT_STARTED))
- goto out;
- /* DMA-TX is done without a global lock. */
- if (b43legacy_using_pio(dev)) {
- spin_lock_irqsave(&wl->irq_lock, flags);
- err = b43legacy_pio_tx(dev, skb);
- spin_unlock_irqrestore(&wl->irq_lock, flags);
- } else
- err = b43legacy_dma_tx(dev, skb);
-out:
- if (unlikely(err)) {
- /* Drop the packet. */
+ if (unlikely(skb->len < 2 + 2 + 6)) {
+ /* Too short, this can't be a valid frame. */
dev_kfree_skb_any(skb);
+ return;
}
+ B43legacy_WARN_ON(skb_shinfo(skb)->nr_frags);
+
+ skb_queue_tail(&wl->tx_queue[skb->queue_mapping], skb);
+ if (!wl->tx_queue_stopped[skb->queue_mapping])
+ ieee80211_queue_work(wl->hw, &wl->tx_work);
+ else
+ ieee80211_stop_queue(wl->hw, skb->queue_mapping);
}
static int b43legacy_op_conf_tx(struct ieee80211_hw *hw,
@@ -2510,7 +2544,7 @@ static int find_wldev_for_phymode(struct b43legacy_wl *wl,
if (d->phy.possible_phymodes & phymode) {
/* Ok, this device supports the PHY-mode.
* Set the gmode bit. */
- *gmode = 1;
+ *gmode = true;
*dev = d;
return 0;
@@ -2546,7 +2580,7 @@ static int b43legacy_switch_phymode(struct b43legacy_wl *wl,
struct b43legacy_wldev *uninitialized_var(up_dev);
struct b43legacy_wldev *down_dev;
int err;
- bool gmode = 0;
+ bool gmode = false;
int prev_status;
err = find_wldev_for_phymode(wl, new_mode, &up_dev, &gmode);
@@ -2879,6 +2913,7 @@ static void b43legacy_wireless_core_stop(struct b43legacy_wldev *dev)
{
struct b43legacy_wl *wl = dev->wl;
unsigned long flags;
+ int queue_num;
if (b43legacy_status(dev) < B43legacy_STAT_STARTED)
return;
@@ -2898,11 +2933,16 @@ static void b43legacy_wireless_core_stop(struct b43legacy_wldev *dev)
/* Must unlock as it would otherwise deadlock. No races here.
* Cancel the possibly running self-rearming periodic work. */
cancel_delayed_work_sync(&dev->periodic_work);
+ cancel_work_sync(&wl->tx_work);
mutex_lock(&wl->mutex);
- ieee80211_stop_queues(wl->hw); /* FIXME this could cause a deadlock */
+ /* Drain all TX queues. */
+ for (queue_num = 0; queue_num < B43legacy_QOS_QUEUE_NUM; queue_num++) {
+ while (skb_queue_len(&wl->tx_queue[queue_num]))
+ dev_kfree_skb(skb_dequeue(&wl->tx_queue[queue_num]));
+ }
- b43legacy_mac_suspend(dev);
+b43legacy_mac_suspend(dev);
free_irq(dev->dev->irq, dev);
b43legacydbg(wl, "Wireless interface stopped\n");
}
@@ -3044,12 +3084,12 @@ static void setup_struct_phy_for_init(struct b43legacy_wldev *dev,
/* Assume the radio is enabled. If it's not enabled, the state will
* immediately get fixed on the first periodic work run. */
- dev->radio_hw_enable = 1;
+ dev->radio_hw_enable = true;
phy->savedpctlreg = 0xFFFF;
- phy->aci_enable = 0;
- phy->aci_wlan_automatic = 0;
- phy->aci_hw_rssi = 0;
+ phy->aci_enable = false;
+ phy->aci_wlan_automatic = false;
+ phy->aci_hw_rssi = false;
lo = phy->_lo_pairs;
if (lo)
@@ -3081,7 +3121,7 @@ static void setup_struct_phy_for_init(struct b43legacy_wldev *dev,
static void setup_struct_wldev_for_init(struct b43legacy_wldev *dev)
{
/* Flags */
- dev->dfq_valid = 0;
+ dev->dfq_valid = false;
/* Stats */
memset(&dev->stats, 0, sizeof(dev->stats));
@@ -3187,9 +3227,9 @@ static void prepare_phy_data_for_init(struct b43legacy_wldev *dev)
phy->lofcal = 0xFFFF;
phy->initval = 0xFFFF;
- phy->aci_enable = 0;
- phy->aci_wlan_automatic = 0;
- phy->aci_hw_rssi = 0;
+ phy->aci_enable = false;
+ phy->aci_wlan_automatic = false;
+ phy->aci_hw_rssi = false;
phy->antenna_diversity = 0xFFFF;
memset(phy->minlowsig, 0xFF, sizeof(phy->minlowsig));
@@ -3355,7 +3395,7 @@ static int b43legacy_op_add_interface(struct ieee80211_hw *hw,
b43legacydbg(wl, "Adding Interface type %d\n", vif->type);
dev = wl->current_dev;
- wl->operating = 1;
+ wl->operating = true;
wl->vif = vif;
wl->if_type = vif->type;
memcpy(wl->mac_addr, vif->addr, ETH_ALEN);
@@ -3389,7 +3429,7 @@ static void b43legacy_op_remove_interface(struct ieee80211_hw *hw,
B43legacy_WARN_ON(wl->vif != vif);
wl->vif = NULL;
- wl->operating = 0;
+ wl->operating = false;
spin_lock_irqsave(&wl->irq_lock, flags);
b43legacy_adjust_opmode(dev);
@@ -3413,10 +3453,10 @@ static int b43legacy_op_start(struct ieee80211_hw *hw)
memset(wl->bssid, 0, ETH_ALEN);
memset(wl->mac_addr, 0, ETH_ALEN);
wl->filter_flags = 0;
- wl->beacon0_uploaded = 0;
- wl->beacon1_uploaded = 0;
- wl->beacon_templates_virgin = 1;
- wl->radio_enabled = 1;
+ wl->beacon0_uploaded = false;
+ wl->beacon1_uploaded = false;
+ wl->beacon_templates_virgin = true;
+ wl->radio_enabled = true;
mutex_lock(&wl->mutex);
@@ -3455,7 +3495,7 @@ static void b43legacy_op_stop(struct ieee80211_hw *hw)
if (b43legacy_status(dev) >= B43legacy_STAT_STARTED)
b43legacy_wireless_core_stop(dev);
b43legacy_wireless_core_exit(dev);
- wl->radio_enabled = 0;
+ wl->radio_enabled = false;
mutex_unlock(&wl->mutex);
}
@@ -3614,7 +3654,7 @@ static int b43legacy_wireless_core_attach(struct b43legacy_wldev *dev)
have_bphy = 1;
dev->phy.gmode = (have_gphy || have_bphy);
- dev->phy.radio_on = 1;
+ dev->phy.radio_on = true;
tmp = dev->phy.gmode ? B43legacy_TMSLOW_GMODE : 0;
b43legacy_wireless_core_reset(dev, tmp);
@@ -3705,7 +3745,7 @@ static int b43legacy_one_core_attach(struct ssb_device *dev,
(void (*)(unsigned long))b43legacy_interrupt_tasklet,
(unsigned long)wldev);
if (modparam_pio)
- wldev->__using_pio = 1;
+ wldev->__using_pio = true;
INIT_LIST_HEAD(&wldev->list);
err = b43legacy_wireless_core_attach(wldev);
@@ -3748,6 +3788,7 @@ static int b43legacy_wireless_init(struct ssb_device *dev)
struct ieee80211_hw *hw;
struct b43legacy_wl *wl;
int err = -ENOMEM;
+ int queue_num;
b43legacy_sprom_fixup(dev->bus);
@@ -3782,6 +3823,13 @@ static int b43legacy_wireless_init(struct ssb_device *dev)
mutex_init(&wl->mutex);
INIT_LIST_HEAD(&wl->devlist);
INIT_WORK(&wl->beacon_update_trigger, b43legacy_beacon_update_trigger_work);
+ INIT_WORK(&wl->tx_work, b43legacy_tx_work);
+
+ /* Initialize queues and flags. */
+ for (queue_num = 0; queue_num < B43legacy_QOS_QUEUE_NUM; queue_num++) {
+ skb_queue_head_init(&wl->tx_queue[queue_num]);
+ wl->tx_queue_stopped[queue_num] = 0;
+ }
ssb_set_devtypedata(dev, wl);
b43legacyinfo(wl, "Broadcom %04X WLAN found (core revision %u)\n",
diff --git a/drivers/net/wireless/b43legacy/radio.c b/drivers/net/wireless/b43legacy/radio.c
index 475eb14e665b..fcbafcd603cc 100644
--- a/drivers/net/wireless/b43legacy/radio.c
+++ b/drivers/net/wireless/b43legacy/radio.c
@@ -1067,7 +1067,7 @@ b43legacy_radio_interference_mitigation_enable(struct b43legacy_wldev *dev,
if (b43legacy_phy_read(dev, 0x0033) & 0x0800)
break;
- phy->aci_enable = 1;
+ phy->aci_enable = true;
phy_stacksave(B43legacy_PHY_RADIO_BITFIELD);
phy_stacksave(B43legacy_PHY_G_CRS);
@@ -1279,7 +1279,7 @@ b43legacy_radio_interference_mitigation_disable(struct b43legacy_wldev *dev,
if (!(b43legacy_phy_read(dev, 0x0033) & 0x0800))
break;
- phy->aci_enable = 0;
+ phy->aci_enable = false;
phy_stackrestore(B43legacy_PHY_RADIO_BITFIELD);
phy_stackrestore(B43legacy_PHY_G_CRS);
@@ -1346,10 +1346,10 @@ int b43legacy_radio_set_interference_mitigation(struct b43legacy_wldev *dev,
(phy->rev == 0) || (!phy->gmode))
return -ENODEV;
- phy->aci_wlan_automatic = 0;
+ phy->aci_wlan_automatic = false;
switch (mode) {
case B43legacy_RADIO_INTERFMODE_AUTOWLAN:
- phy->aci_wlan_automatic = 1;
+ phy->aci_wlan_automatic = true;
if (phy->aci_enable)
mode = B43legacy_RADIO_INTERFMODE_MANUALWLAN;
else
@@ -1371,8 +1371,8 @@ int b43legacy_radio_set_interference_mitigation(struct b43legacy_wldev *dev,
currentmode);
if (mode == B43legacy_RADIO_INTERFMODE_NONE) {
- phy->aci_enable = 0;
- phy->aci_hw_rssi = 0;
+ phy->aci_enable = false;
+ phy->aci_hw_rssi = false;
} else
b43legacy_radio_interference_mitigation_enable(dev, mode);
phy->interfmode = mode;
@@ -2102,7 +2102,7 @@ void b43legacy_radio_turn_on(struct b43legacy_wldev *dev)
phy->radio_off_context.rfover);
b43legacy_phy_write(dev, B43legacy_PHY_RFOVERVAL,
phy->radio_off_context.rfoverval);
- phy->radio_off_context.valid = 0;
+ phy->radio_off_context.valid = false;
}
channel = phy->channel;
err = b43legacy_radio_selectchannel(dev,
@@ -2113,7 +2113,7 @@ void b43legacy_radio_turn_on(struct b43legacy_wldev *dev)
default:
B43legacy_BUG_ON(1);
}
- phy->radio_on = 1;
+ phy->radio_on = true;
}
void b43legacy_radio_turn_off(struct b43legacy_wldev *dev, bool force)
@@ -2131,14 +2131,14 @@ void b43legacy_radio_turn_off(struct b43legacy_wldev *dev, bool force)
if (!force) {
phy->radio_off_context.rfover = rfover;
phy->radio_off_context.rfoverval = rfoverval;
- phy->radio_off_context.valid = 1;
+ phy->radio_off_context.valid = true;
}
b43legacy_phy_write(dev, B43legacy_PHY_RFOVER, rfover | 0x008C);
b43legacy_phy_write(dev, B43legacy_PHY_RFOVERVAL,
rfoverval & 0xFF73);
} else
b43legacy_phy_write(dev, 0x0015, 0xAA00);
- phy->radio_on = 0;
+ phy->radio_on = false;
b43legacydbg(dev->wl, "Radio initialized\n");
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.