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-rw-r--r--drivers/net/wireless/ath/ar9170/usb.c11
-rw-r--r--drivers/net/wireless/ath/ar9170/usb.h1
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-6000.c4
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn.c1
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-commands.h4
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-core.c1
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-core.h2
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-dev.h1
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-eeprom.h4
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-scan.c54
-rw-r--r--drivers/net/wireless/iwlwifi/iwl3945-base.c3
-rw-r--r--drivers/net/wireless/p54/p54pci.c2
12 files changed, 65 insertions, 23 deletions
diff --git a/drivers/net/wireless/ath/ar9170/usb.c b/drivers/net/wireless/ath/ar9170/usb.c
index 99a6da464bd..e1c2fcaa8be 100644
--- a/drivers/net/wireless/ath/ar9170/usb.c
+++ b/drivers/net/wireless/ath/ar9170/usb.c
@@ -727,12 +727,16 @@ static void ar9170_usb_firmware_failed(struct ar9170_usb *aru)
{
struct device *parent = aru->udev->dev.parent;
+ complete(&aru->firmware_loading_complete);
+
/* unbind anything failed */
if (parent)
down(&parent->sem);
device_release_driver(&aru->udev->dev);
if (parent)
up(&parent->sem);
+
+ usb_put_dev(aru->udev);
}
static void ar9170_usb_firmware_finish(const struct firmware *fw, void *context)
@@ -761,6 +765,8 @@ static void ar9170_usb_firmware_finish(const struct firmware *fw, void *context)
if (err)
goto err_unrx;
+ complete(&aru->firmware_loading_complete);
+ usb_put_dev(aru->udev);
return;
err_unrx:
@@ -858,6 +864,7 @@ static int ar9170_usb_probe(struct usb_interface *intf,
init_usb_anchor(&aru->tx_pending);
init_usb_anchor(&aru->tx_submitted);
init_completion(&aru->cmd_wait);
+ init_completion(&aru->firmware_loading_complete);
spin_lock_init(&aru->tx_urb_lock);
aru->tx_pending_urbs = 0;
@@ -877,6 +884,7 @@ static int ar9170_usb_probe(struct usb_interface *intf,
if (err)
goto err_freehw;
+ usb_get_dev(aru->udev);
return request_firmware_nowait(THIS_MODULE, 1, "ar9170.fw",
&aru->udev->dev, GFP_KERNEL, aru,
ar9170_usb_firmware_step2);
@@ -896,6 +904,9 @@ static void ar9170_usb_disconnect(struct usb_interface *intf)
return;
aru->common.state = AR9170_IDLE;
+
+ wait_for_completion(&aru->firmware_loading_complete);
+
ar9170_unregister(&aru->common);
ar9170_usb_cancel_urbs(aru);
diff --git a/drivers/net/wireless/ath/ar9170/usb.h b/drivers/net/wireless/ath/ar9170/usb.h
index a2ce3b169ce..919b06046eb 100644
--- a/drivers/net/wireless/ath/ar9170/usb.h
+++ b/drivers/net/wireless/ath/ar9170/usb.h
@@ -71,6 +71,7 @@ struct ar9170_usb {
unsigned int tx_pending_urbs;
struct completion cmd_wait;
+ struct completion firmware_loading_complete;
int readlen;
u8 *readbuf;
diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index c4844adff92..92b3e64fc14 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -259,7 +259,7 @@ static struct iwl_lib_ops iwl6000_lib = {
EEPROM_5000_REG_BAND_3_CHANNELS,
EEPROM_5000_REG_BAND_4_CHANNELS,
EEPROM_5000_REG_BAND_5_CHANNELS,
- EEPROM_5000_REG_BAND_24_HT40_CHANNELS,
+ EEPROM_6000_REG_BAND_24_HT40_CHANNELS,
EEPROM_5000_REG_BAND_52_HT40_CHANNELS
},
.verify_signature = iwlcore_eeprom_verify_signature,
@@ -323,7 +323,7 @@ static struct iwl_lib_ops iwl6050_lib = {
EEPROM_5000_REG_BAND_3_CHANNELS,
EEPROM_5000_REG_BAND_4_CHANNELS,
EEPROM_5000_REG_BAND_5_CHANNELS,
- EEPROM_5000_REG_BAND_24_HT40_CHANNELS,
+ EEPROM_6000_REG_BAND_24_HT40_CHANNELS,
EEPROM_5000_REG_BAND_52_HT40_CHANNELS
},
.verify_signature = iwlcore_eeprom_verify_signature,
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 8b8e3e1cbb4..bdff56583e1 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -3331,6 +3331,7 @@ static void iwl_cancel_deferred_work(struct iwl_priv *priv)
cancel_delayed_work_sync(&priv->init_alive_start);
cancel_delayed_work(&priv->scan_check);
+ cancel_work_sync(&priv->start_internal_scan);
cancel_delayed_work(&priv->alive_start);
cancel_work_sync(&priv->beacon_update);
del_timer_sync(&priv->statistics_periodic);
diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h
index 6383d9f8c9b..f4e59ae07f8 100644
--- a/drivers/net/wireless/iwlwifi/iwl-commands.h
+++ b/drivers/net/wireless/iwlwifi/iwl-commands.h
@@ -2621,7 +2621,9 @@ struct iwl_ssid_ie {
#define PROBE_OPTION_MAX_3945 4
#define PROBE_OPTION_MAX 20
#define TX_CMD_LIFE_TIME_INFINITE cpu_to_le32(0xFFFFFFFF)
-#define IWL_GOOD_CRC_TH cpu_to_le16(1)
+#define IWL_GOOD_CRC_TH_DISABLED 0
+#define IWL_GOOD_CRC_TH_DEFAULT cpu_to_le16(1)
+#define IWL_GOOD_CRC_TH_NEVER cpu_to_le16(0xffff)
#define IWL_MAX_SCAN_SIZE 1024
#define IWL_MAX_CMD_SIZE 4096
#define IWL_MAX_PROBE_REQUEST 200
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 3352f708663..049b652bcb5 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -3358,7 +3358,6 @@ static void iwl_force_rf_reset(struct iwl_priv *priv)
*/
IWL_DEBUG_INFO(priv, "perform radio reset.\n");
iwl_internal_short_hw_scan(priv);
- return;
}
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index 732590f5fe3..36940a9ec6b 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -506,7 +506,7 @@ void iwl_init_scan_params(struct iwl_priv *priv);
int iwl_scan_cancel(struct iwl_priv *priv);
int iwl_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms);
int iwl_mac_hw_scan(struct ieee80211_hw *hw, struct cfg80211_scan_request *req);
-int iwl_internal_short_hw_scan(struct iwl_priv *priv);
+void iwl_internal_short_hw_scan(struct iwl_priv *priv);
int iwl_force_reset(struct iwl_priv *priv, int mode);
u16 iwl_fill_probe_req(struct iwl_priv *priv, struct ieee80211_mgmt *frame,
const u8 *ie, int ie_len, int left);
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 6054c5fba0c..ef1720a852e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -1296,6 +1296,7 @@ struct iwl_priv {
struct work_struct tt_work;
struct work_struct ct_enter;
struct work_struct ct_exit;
+ struct work_struct start_internal_scan;
struct tasklet_struct irq_tasklet;
diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.h b/drivers/net/wireless/iwlwifi/iwl-eeprom.h
index 4e1ba824dc5..8171c701e4e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-eeprom.h
+++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.h
@@ -203,6 +203,10 @@ struct iwl_eeprom_enhanced_txpwr {
#define EEPROM_5000_REG_BAND_52_HT40_CHANNELS ((0x92)\
| INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 22 bytes */
+/* 6000 regulatory - indirect access */
+#define EEPROM_6000_REG_BAND_24_HT40_CHANNELS ((0x80)\
+ | INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 14 bytes */
+
/* 6000 and up regulatory tx power - indirect access */
/* max. elements per section */
#define EEPROM_MAX_TXPOWER_SECTION_ELEMENTS (8)
diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c
index 9ab0e412bf1..741e65ec830 100644
--- a/drivers/net/wireless/iwlwifi/iwl-scan.c
+++ b/drivers/net/wireless/iwlwifi/iwl-scan.c
@@ -470,6 +470,8 @@ EXPORT_SYMBOL(iwl_init_scan_params);
static int iwl_scan_initiate(struct iwl_priv *priv)
{
+ WARN_ON(!mutex_is_locked(&priv->mutex));
+
IWL_DEBUG_INFO(priv, "Starting scan...\n");
set_bit(STATUS_SCANNING, &priv->status);
priv->is_internal_short_scan = false;
@@ -547,24 +549,31 @@ EXPORT_SYMBOL(iwl_mac_hw_scan);
* internal short scan, this function should only been called while associated.
* It will reset and tune the radio to prevent possible RF related problem
*/
-int iwl_internal_short_hw_scan(struct iwl_priv *priv)
+void iwl_internal_short_hw_scan(struct iwl_priv *priv)
{
- int ret = 0;
+ queue_work(priv->workqueue, &priv->start_internal_scan);
+}
+
+static void iwl_bg_start_internal_scan(struct work_struct *work)
+{
+ struct iwl_priv *priv =
+ container_of(work, struct iwl_priv, start_internal_scan);
+
+ mutex_lock(&priv->mutex);
if (!iwl_is_ready_rf(priv)) {
- ret = -EIO;
IWL_DEBUG_SCAN(priv, "not ready or exit pending\n");
- goto out;
+ goto unlock;
}
+
if (test_bit(STATUS_SCANNING, &priv->status)) {
IWL_DEBUG_SCAN(priv, "Scan already in progress.\n");
- ret = -EAGAIN;
- goto out;
+ goto unlock;
}
+
if (test_bit(STATUS_SCAN_ABORTING, &priv->status)) {
IWL_DEBUG_SCAN(priv, "Scan request while abort pending\n");
- ret = -EAGAIN;
- goto out;
+ goto unlock;
}
priv->scan_bands = 0;
@@ -577,9 +586,8 @@ int iwl_internal_short_hw_scan(struct iwl_priv *priv)
set_bit(STATUS_SCANNING, &priv->status);
priv->is_internal_short_scan = true;
queue_work(priv->workqueue, &priv->request_scan);
-
-out:
- return ret;
+ unlock:
+ mutex_unlock(&priv->mutex);
}
EXPORT_SYMBOL(iwl_internal_short_hw_scan);
@@ -805,16 +813,29 @@ static void iwl_bg_request_scan(struct work_struct *data)
rate = IWL_RATE_1M_PLCP;
rate_flags = RATE_MCS_CCK_MSK;
}
- scan->good_CRC_th = 0;
+ scan->good_CRC_th = IWL_GOOD_CRC_TH_DISABLED;
} else if (priv->scan_bands & BIT(IEEE80211_BAND_5GHZ)) {
band = IEEE80211_BAND_5GHZ;
rate = IWL_RATE_6M_PLCP;
/*
- * If active scaning is requested but a certain channel
- * is marked passive, we can do active scanning if we
- * detect transmissions.
+ * If active scanning is requested but a certain channel is
+ * marked passive, we can do active scanning if we detect
+ * transmissions.
+ *
+ * There is an issue with some firmware versions that triggers
+ * a sysassert on a "good CRC threshold" of zero (== disabled),
+ * on a radar channel even though this means that we should NOT
+ * send probes.
+ *
+ * The "good CRC threshold" is the number of frames that we
+ * need to receive during our dwell time on a channel before
+ * sending out probes -- setting this to a huge value will
+ * mean we never reach it, but at the same time work around
+ * the aforementioned issue. Thus use IWL_GOOD_CRC_TH_NEVER
+ * here instead of IWL_GOOD_CRC_TH_DISABLED.
*/
- scan->good_CRC_th = is_active ? IWL_GOOD_CRC_TH : 0;
+ scan->good_CRC_th = is_active ? IWL_GOOD_CRC_TH_DEFAULT :
+ IWL_GOOD_CRC_TH_NEVER;
/* Force use of chains B and C (0x6) for scan Rx for 4965
* Avoid A (0x1) because of its off-channel reception on A-band.
@@ -965,6 +986,7 @@ void iwl_setup_scan_deferred_work(struct iwl_priv *priv)
INIT_WORK(&priv->scan_completed, iwl_bg_scan_completed);
INIT_WORK(&priv->request_scan, iwl_bg_request_scan);
INIT_WORK(&priv->abort_scan, iwl_bg_abort_scan);
+ INIT_WORK(&priv->start_internal_scan, iwl_bg_start_internal_scan);
INIT_DELAYED_WORK(&priv->scan_check, iwl_bg_scan_check);
}
EXPORT_SYMBOL(iwl_setup_scan_deferred_work);
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index b55e4f39a9e..b74a56c48d2 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -2967,7 +2967,8 @@ static void iwl3945_bg_request_scan(struct work_struct *data)
* is marked passive, we can do active scanning if we
* detect transmissions.
*/
- scan->good_CRC_th = is_active ? IWL_GOOD_CRC_TH : 0;
+ scan->good_CRC_th = is_active ? IWL_GOOD_CRC_TH_DEFAULT :
+ IWL_GOOD_CRC_TH_DISABLED;
band = IEEE80211_BAND_5GHZ;
} else {
IWL_WARN(priv, "Invalid scan band count\n");
diff --git a/drivers/net/wireless/p54/p54pci.c b/drivers/net/wireless/p54/p54pci.c
index 269fda36283..c24067f1a0c 100644
--- a/drivers/net/wireless/p54/p54pci.c
+++ b/drivers/net/wireless/p54/p54pci.c
@@ -246,7 +246,7 @@ static void p54p_check_tx_ring(struct ieee80211_hw *dev, u32 *index,
u32 idx, i;
i = (*index) % ring_limit;
- (*index) = idx = le32_to_cpu(ring_control->device_idx[1]);
+ (*index) = idx = le32_to_cpu(ring_control->device_idx[ring_index]);
idx %= ring_limit;
while (i != idx) {
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-17 09:06:36 +0000