aboutsummaryrefslogtreecommitdiff
path: root/drivers/net
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/wireless/b43/b43.h4
-rw-r--r--drivers/net/wireless/b43/main.c43
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-3945.h1
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-4965.h1
-rw-r--r--drivers/net/wireless/iwlwifi/iwl3945-base.c29
-rw-r--r--drivers/net/wireless/iwlwifi/iwl4965-base.c26
-rw-r--r--drivers/net/wireless/rt2x00/rt2400pci.c4
-rw-r--r--drivers/net/wireless/rt2x00/rt2500pci.c4
-rw-r--r--drivers/net/wireless/rt2x00/rt2500usb.c2
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00dev.c2
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00leds.c15
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00lib.h6
-rw-r--r--drivers/net/wireless/rt2x00/rt61pci.c2
-rw-r--r--drivers/net/wireless/rt2x00/rt73usb.c2
14 files changed, 77 insertions, 64 deletions
diff --git a/drivers/net/wireless/b43/b43.h b/drivers/net/wireless/b43/b43.h
index eff2a158a41..37783cdd301 100644
--- a/drivers/net/wireless/b43/b43.h
+++ b/drivers/net/wireless/b43/b43.h
@@ -691,6 +691,10 @@ struct b43_wl {
struct mutex mutex;
spinlock_t irq_lock;
+ /* R/W lock for data transmission.
+ * Transmissions on 2+ queues can run concurrently, but somebody else
+ * might sync with TX by write_lock_irqsave()'ing. */
+ rwlock_t tx_lock;
/* Lock for LEDs access. */
spinlock_t leds_lock;
/* Lock for SHM access. */
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 6c7db9a1a46..8fdba9415c0 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -729,6 +729,7 @@ static void b43_synchronize_irq(struct b43_wldev *dev)
*/
void b43_dummy_transmission(struct b43_wldev *dev)
{
+ struct b43_wl *wl = dev->wl;
struct b43_phy *phy = &dev->phy;
unsigned int i, max_loop;
u16 value;
@@ -755,6 +756,9 @@ void b43_dummy_transmission(struct b43_wldev *dev)
return;
}
+ spin_lock_irq(&wl->irq_lock);
+ write_lock(&wl->tx_lock);
+
for (i = 0; i < 5; i++)
b43_ram_write(dev, i * 4, buffer[i]);
@@ -795,6 +799,9 @@ void b43_dummy_transmission(struct b43_wldev *dev)
}
if (phy->radio_ver == 0x2050 && phy->radio_rev <= 0x5)
b43_radio_write16(dev, 0x0051, 0x0037);
+
+ write_unlock(&wl->tx_lock);
+ spin_unlock_irq(&wl->irq_lock);
}
static void key_write(struct b43_wldev *dev,
@@ -2840,24 +2847,31 @@ static int b43_op_tx(struct ieee80211_hw *hw,
{
struct b43_wl *wl = hw_to_b43_wl(hw);
struct b43_wldev *dev = wl->current_dev;
- int err = -ENODEV;
+ unsigned long flags;
+ int err;
if (unlikely(skb->len < 2 + 2 + 6)) {
/* Too short, this can't be a valid frame. */
- return -EINVAL;
+ dev_kfree_skb_any(skb);
+ return NETDEV_TX_OK;
}
B43_WARN_ON(skb_shinfo(skb)->nr_frags);
-
if (unlikely(!dev))
- goto out;
- if (unlikely(b43_status(dev) < B43_STAT_STARTED))
- goto out;
- /* TX is done without a global lock. */
- if (b43_using_pio_transfers(dev))
- err = b43_pio_tx(dev, skb, ctl);
- else
- err = b43_dma_tx(dev, skb, ctl);
-out:
+ return NETDEV_TX_BUSY;
+
+ /* Transmissions on seperate queues can run concurrently. */
+ read_lock_irqsave(&wl->tx_lock, flags);
+
+ err = -ENODEV;
+ if (likely(b43_status(dev) >= B43_STAT_STARTED)) {
+ if (b43_using_pio_transfers(dev))
+ err = b43_pio_tx(dev, skb, ctl);
+ else
+ err = b43_dma_tx(dev, skb, ctl);
+ }
+
+ read_unlock_irqrestore(&wl->tx_lock, flags);
+
if (unlikely(err))
return NETDEV_TX_BUSY;
return NETDEV_TX_OK;
@@ -3476,7 +3490,9 @@ static void b43_wireless_core_stop(struct b43_wldev *dev)
spin_unlock_irqrestore(&wl->irq_lock, flags);
b43_synchronize_irq(dev);
+ write_lock_irqsave(&wl->tx_lock, flags);
b43_set_status(dev, B43_STAT_INITIALIZED);
+ write_unlock_irqrestore(&wl->tx_lock, flags);
b43_pio_stop(dev);
mutex_unlock(&wl->mutex);
@@ -3485,8 +3501,6 @@ static void b43_wireless_core_stop(struct b43_wldev *dev)
cancel_delayed_work_sync(&dev->periodic_work);
mutex_lock(&wl->mutex);
- ieee80211_stop_queues(wl->hw); //FIXME this could cause a deadlock, as mac80211 seems buggy.
-
b43_mac_suspend(dev);
free_irq(dev->dev->irq, dev);
b43dbg(wl, "Wireless interface stopped\n");
@@ -4498,6 +4512,7 @@ static int b43_wireless_init(struct ssb_device *dev)
memset(wl, 0, sizeof(*wl));
wl->hw = hw;
spin_lock_init(&wl->irq_lock);
+ rwlock_init(&wl->tx_lock);
spin_lock_init(&wl->leds_lock);
spin_lock_init(&wl->shm_lock);
mutex_init(&wl->mutex);
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.h b/drivers/net/wireless/iwlwifi/iwl-3945.h
index 45c1c5533bf..c7695a215a3 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.h
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.h
@@ -742,7 +742,6 @@ struct iwl3945_priv {
u8 direct_ssid_len;
u8 direct_ssid[IW_ESSID_MAX_SIZE];
struct iwl3945_scan_cmd *scan;
- u8 only_active_channel;
/* spinlock */
spinlock_t lock; /* protect general shared data */
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.h b/drivers/net/wireless/iwlwifi/iwl-4965.h
index 9ed13cb0a2a..581b98556c8 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.h
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.h
@@ -996,7 +996,6 @@ struct iwl_priv {
u8 direct_ssid_len;
u8 direct_ssid[IW_ESSID_MAX_SIZE];
struct iwl4965_scan_cmd *scan;
- u8 only_active_channel;
/* spinlock */
spinlock_t lock; /* protect general shared data */
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index a1a0b3c581f..13925b627e3 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -4968,17 +4968,6 @@ static int iwl3945_get_channels_for_scan(struct iwl3945_priv *priv,
if (channels[i].flags & IEEE80211_CHAN_DISABLED)
continue;
- if (channels[i].hw_value ==
- le16_to_cpu(priv->active_rxon.channel)) {
- if (iwl3945_is_associated(priv)) {
- IWL_DEBUG_SCAN
- ("Skipping current channel %d\n",
- le16_to_cpu(priv->active_rxon.channel));
- continue;
- }
- } else if (priv->only_active_channel)
- continue;
-
scan_ch->channel = channels[i].hw_value;
ch_info = iwl3945_get_channel_info(priv, band, scan_ch->channel);
@@ -6303,12 +6292,17 @@ static void iwl3945_bg_request_scan(struct work_struct *data)
priv->direct_ssid, priv->direct_ssid_len);
direct_mask = 1;
} else if (!iwl3945_is_associated(priv) && priv->essid_len) {
+ IWL_DEBUG_SCAN
+ ("Kicking off one direct scan for '%s' when not associated\n",
+ iwl3945_escape_essid(priv->essid, priv->essid_len));
scan->direct_scan[0].id = WLAN_EID_SSID;
scan->direct_scan[0].len = priv->essid_len;
memcpy(scan->direct_scan[0].ssid, priv->essid, priv->essid_len);
direct_mask = 1;
- } else
+ } else {
+ IWL_DEBUG_SCAN("Kicking off one indirect scan.\n");
direct_mask = 0;
+ }
/* We don't build a direct scan probe request; the uCode will do
* that based on the direct_mask added to each channel entry */
@@ -6346,23 +6340,18 @@ static void iwl3945_bg_request_scan(struct work_struct *data)
if (priv->iw_mode == IEEE80211_IF_TYPE_MNTR)
scan->filter_flags = RXON_FILTER_PROMISC_MSK;
- if (direct_mask) {
- IWL_DEBUG_SCAN
- ("Initiating direct scan for %s.\n",
- iwl3945_escape_essid(priv->essid, priv->essid_len));
+ if (direct_mask)
scan->channel_count =
iwl3945_get_channels_for_scan(
priv, band, 1, /* active */
direct_mask,
(void *)&scan->data[le16_to_cpu(scan->tx_cmd.len)]);
- } else {
- IWL_DEBUG_SCAN("Initiating indirect scan.\n");
+ else
scan->channel_count =
iwl3945_get_channels_for_scan(
priv, band, 0, /* passive */
direct_mask,
(void *)&scan->data[le16_to_cpu(scan->tx_cmd.len)]);
- }
cmd.len += le16_to_cpu(scan->tx_cmd.len) +
scan->channel_count * sizeof(struct iwl3945_scan_channel);
@@ -7314,8 +7303,6 @@ static void iwl3945_mac_reset_tsf(struct ieee80211_hw *hw)
return;
}
- priv->only_active_channel = 0;
-
iwl3945_set_rate(priv);
mutex_unlock(&priv->mutex);
diff --git a/drivers/net/wireless/iwlwifi/iwl4965-base.c b/drivers/net/wireless/iwlwifi/iwl4965-base.c
index d0bbcaaeb94..883b42f7e99 100644
--- a/drivers/net/wireless/iwlwifi/iwl4965-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl4965-base.c
@@ -4633,17 +4633,6 @@ static int iwl4965_get_channels_for_scan(struct iwl_priv *priv,
if (channels[i].flags & IEEE80211_CHAN_DISABLED)
continue;
- if (ieee80211_frequency_to_channel(channels[i].center_freq) ==
- le16_to_cpu(priv->active_rxon.channel)) {
- if (iwl_is_associated(priv)) {
- IWL_DEBUG_SCAN
- ("Skipping current channel %d\n",
- le16_to_cpu(priv->active_rxon.channel));
- continue;
- }
- } else if (priv->only_active_channel)
- continue;
-
scan_ch->channel = ieee80211_frequency_to_channel(channels[i].center_freq);
ch_info = iwl_get_channel_info(priv, band,
@@ -5824,11 +5813,15 @@ static void iwl4965_bg_request_scan(struct work_struct *data)
priv->direct_ssid, priv->direct_ssid_len);
direct_mask = 1;
} else if (!iwl_is_associated(priv) && priv->essid_len) {
+ IWL_DEBUG_SCAN
+ ("Kicking off one direct scan for '%s' when not associated\n",
+ iwl4965_escape_essid(priv->essid, priv->essid_len));
scan->direct_scan[0].id = WLAN_EID_SSID;
scan->direct_scan[0].len = priv->essid_len;
memcpy(scan->direct_scan[0].ssid, priv->essid, priv->essid_len);
direct_mask = 1;
} else {
+ IWL_DEBUG_SCAN("Kicking off one indirect scan.\n");
direct_mask = 0;
}
@@ -5881,23 +5874,18 @@ static void iwl4965_bg_request_scan(struct work_struct *data)
if (priv->iw_mode == IEEE80211_IF_TYPE_MNTR)
scan->filter_flags = RXON_FILTER_PROMISC_MSK;
- if (direct_mask) {
- IWL_DEBUG_SCAN
- ("Initiating direct scan for %s.\n",
- iwl4965_escape_essid(priv->essid, priv->essid_len));
+ if (direct_mask)
scan->channel_count =
iwl4965_get_channels_for_scan(
priv, band, 1, /* active */
direct_mask,
(void *)&scan->data[le16_to_cpu(scan->tx_cmd.len)]);
- } else {
- IWL_DEBUG_SCAN("Initiating indirect scan.\n");
+ else
scan->channel_count =
iwl4965_get_channels_for_scan(
priv, band, 0, /* passive */
direct_mask,
(void *)&scan->data[le16_to_cpu(scan->tx_cmd.len)]);
- }
cmd.len += le16_to_cpu(scan->tx_cmd.len) +
scan->channel_count * sizeof(struct iwl4965_scan_channel);
@@ -7061,8 +7049,6 @@ static void iwl4965_mac_reset_tsf(struct ieee80211_hw *hw)
return;
}
- priv->only_active_channel = 0;
-
iwl4965_set_rate(priv);
mutex_unlock(&priv->mutex);
diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c b/drivers/net/wireless/rt2x00/rt2400pci.c
index b41187af130..560b9c73c0b 100644
--- a/drivers/net/wireless/rt2x00/rt2400pci.c
+++ b/drivers/net/wireless/rt2x00/rt2400pci.c
@@ -363,7 +363,7 @@ static void rt2400pci_config_erp(struct rt2x00_dev *rt2x00dev,
rt2x00pci_register_write(rt2x00dev, TXCSR1, reg);
rt2x00pci_register_read(rt2x00dev, ARCSR2, &reg);
- rt2x00_set_field32(&reg, ARCSR2_SIGNAL, 0x00 | preamble_mask);
+ rt2x00_set_field32(&reg, ARCSR2_SIGNAL, 0x00);
rt2x00_set_field32(&reg, ARCSR2_SERVICE, 0x04);
rt2x00_set_field32(&reg, ARCSR2_LENGTH, get_duration(ACK_SIZE, 10));
rt2x00pci_register_write(rt2x00dev, ARCSR2, reg);
@@ -1308,7 +1308,7 @@ static int rt2400pci_init_eeprom(struct rt2x00_dev *rt2x00dev)
if (value == LED_MODE_TXRX_ACTIVITY) {
rt2x00dev->led_qual.rt2x00dev = rt2x00dev;
- rt2x00dev->led_radio.type = LED_TYPE_ACTIVITY;
+ rt2x00dev->led_qual.type = LED_TYPE_ACTIVITY;
rt2x00dev->led_qual.led_dev.brightness_set =
rt2400pci_brightness_set;
rt2x00dev->led_qual.led_dev.blink_set =
diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c
index 5ade097ed45..a5ed54b6926 100644
--- a/drivers/net/wireless/rt2x00/rt2500pci.c
+++ b/drivers/net/wireless/rt2x00/rt2500pci.c
@@ -370,7 +370,7 @@ static void rt2500pci_config_erp(struct rt2x00_dev *rt2x00dev,
rt2x00pci_register_write(rt2x00dev, TXCSR1, reg);
rt2x00pci_register_read(rt2x00dev, ARCSR2, &reg);
- rt2x00_set_field32(&reg, ARCSR2_SIGNAL, 0x00 | preamble_mask);
+ rt2x00_set_field32(&reg, ARCSR2_SIGNAL, 0x00);
rt2x00_set_field32(&reg, ARCSR2_SERVICE, 0x04);
rt2x00_set_field32(&reg, ARCSR2_LENGTH, get_duration(ACK_SIZE, 10));
rt2x00pci_register_write(rt2x00dev, ARCSR2, reg);
@@ -1485,7 +1485,7 @@ static int rt2500pci_init_eeprom(struct rt2x00_dev *rt2x00dev)
if (value == LED_MODE_TXRX_ACTIVITY) {
rt2x00dev->led_qual.rt2x00dev = rt2x00dev;
- rt2x00dev->led_radio.type = LED_TYPE_ACTIVITY;
+ rt2x00dev->led_qual.type = LED_TYPE_ACTIVITY;
rt2x00dev->led_qual.led_dev.brightness_set =
rt2500pci_brightness_set;
rt2x00dev->led_qual.led_dev.blink_set =
diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c
index 6bb07b33932..fdbd0ef2be4 100644
--- a/drivers/net/wireless/rt2x00/rt2500usb.c
+++ b/drivers/net/wireless/rt2x00/rt2500usb.c
@@ -1394,7 +1394,7 @@ static int rt2500usb_init_eeprom(struct rt2x00_dev *rt2x00dev)
if (value == LED_MODE_TXRX_ACTIVITY) {
rt2x00dev->led_qual.rt2x00dev = rt2x00dev;
- rt2x00dev->led_radio.type = LED_TYPE_ACTIVITY;
+ rt2x00dev->led_qual.type = LED_TYPE_ACTIVITY;
rt2x00dev->led_qual.led_dev.brightness_set =
rt2500usb_brightness_set;
rt2x00dev->led_qual.led_dev.blink_set =
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index f8fe7a139a8..8d8657fb64d 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -114,6 +114,7 @@ int rt2x00lib_enable_radio(struct rt2x00_dev *rt2x00dev)
return status;
rt2x00leds_led_radio(rt2x00dev, true);
+ rt2x00led_led_activity(rt2x00dev, true);
__set_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags);
@@ -157,6 +158,7 @@ void rt2x00lib_disable_radio(struct rt2x00_dev *rt2x00dev)
* Disable radio.
*/
rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_RADIO_OFF);
+ rt2x00led_led_activity(rt2x00dev, false);
rt2x00leds_led_radio(rt2x00dev, false);
}
diff --git a/drivers/net/wireless/rt2x00/rt2x00leds.c b/drivers/net/wireless/rt2x00/rt2x00leds.c
index 40c1f5c1b80..b362a1cf3f8 100644
--- a/drivers/net/wireless/rt2x00/rt2x00leds.c
+++ b/drivers/net/wireless/rt2x00/rt2x00leds.c
@@ -72,6 +72,21 @@ void rt2x00leds_led_quality(struct rt2x00_dev *rt2x00dev, int rssi)
}
}
+void rt2x00led_led_activity(struct rt2x00_dev *rt2x00dev, bool enabled)
+{
+ struct rt2x00_led *led = &rt2x00dev->led_qual;
+ unsigned int brightness;
+
+ if ((led->type != LED_TYPE_ACTIVITY) || !(led->flags & LED_REGISTERED))
+ return;
+
+ brightness = enabled ? LED_FULL : LED_OFF;
+ if (brightness != led->led_dev.brightness) {
+ led->led_dev.brightness_set(&led->led_dev, brightness);
+ led->led_dev.brightness = brightness;
+ }
+}
+
void rt2x00leds_led_assoc(struct rt2x00_dev *rt2x00dev, bool enabled)
{
struct rt2x00_led *led = &rt2x00dev->led_assoc;
diff --git a/drivers/net/wireless/rt2x00/rt2x00lib.h b/drivers/net/wireless/rt2x00/rt2x00lib.h
index 5be32fffc74..41ee02cd282 100644
--- a/drivers/net/wireless/rt2x00/rt2x00lib.h
+++ b/drivers/net/wireless/rt2x00/rt2x00lib.h
@@ -185,6 +185,7 @@ static inline void rt2x00rfkill_resume(struct rt2x00_dev *rt2x00dev)
*/
#ifdef CONFIG_RT2X00_LIB_LEDS
void rt2x00leds_led_quality(struct rt2x00_dev *rt2x00dev, int rssi);
+void rt2x00led_led_activity(struct rt2x00_dev *rt2x00dev, bool enabled);
void rt2x00leds_led_assoc(struct rt2x00_dev *rt2x00dev, bool enabled);
void rt2x00leds_led_radio(struct rt2x00_dev *rt2x00dev, bool enabled);
void rt2x00leds_register(struct rt2x00_dev *rt2x00dev);
@@ -197,6 +198,11 @@ static inline void rt2x00leds_led_quality(struct rt2x00_dev *rt2x00dev,
{
}
+static inline void rt2x00led_led_activity(struct rt2x00_dev *rt2x00dev,
+ bool enabled)
+{
+}
+
static inline void rt2x00leds_led_assoc(struct rt2x00_dev *rt2x00dev,
bool enabled)
{
diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c
index 468a31c8c11..ae12dcdd3c2 100644
--- a/drivers/net/wireless/rt2x00/rt61pci.c
+++ b/drivers/net/wireless/rt2x00/rt61pci.c
@@ -2087,7 +2087,7 @@ static int rt61pci_init_eeprom(struct rt2x00_dev *rt2x00dev)
if (value == LED_MODE_SIGNAL_STRENGTH) {
rt2x00dev->led_qual.rt2x00dev = rt2x00dev;
- rt2x00dev->led_radio.type = LED_TYPE_QUALITY;
+ rt2x00dev->led_qual.type = LED_TYPE_QUALITY;
rt2x00dev->led_qual.led_dev.brightness_set =
rt61pci_brightness_set;
rt2x00dev->led_qual.led_dev.blink_set =
diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c
index a9efe25f1ea..da19a3a91f4 100644
--- a/drivers/net/wireless/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/rt2x00/rt73usb.c
@@ -1647,7 +1647,7 @@ static int rt73usb_init_eeprom(struct rt2x00_dev *rt2x00dev)
if (value == LED_MODE_SIGNAL_STRENGTH) {
rt2x00dev->led_qual.rt2x00dev = rt2x00dev;
- rt2x00dev->led_radio.type = LED_TYPE_QUALITY;
+ rt2x00dev->led_qual.type = LED_TYPE_QUALITY;
rt2x00dev->led_qual.led_dev.brightness_set =
rt73usb_brightness_set;
rt2x00dev->led_qual.led_dev.blink_set =
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-24 21:55:27 +0000