*
* @tx_chains_num: Number of TX chains
* @rx_chains_num: Number of RX chains
- * @sku: sku read from EEPROM
* @ct_kill_threshold: temperature threshold - in hw dependent unit
* @ct_kill_exit_threshold: when to reeable the device - in hw dependent unit
* relevant for 1000, 6000 and up
u8 tx_chains_num;
u8 rx_chains_num;
bool use_rts_for_aggregation;
- u16 sku;
u32 ct_kill_threshold;
u32 ct_kill_exit_threshold;
*/
/* NIC configuration for 5000 series */
-static void iwl5000_nic_config(struct iwl_priv *priv)
-{
- /* W/A : NIC is stuck in a reset state after Early PCIe power off
- * (PCIe power is lost before PERST# is asserted),
- * causing ME FW to lose ownership and not being able to obtain it back.
- */
- iwl_set_bits_mask_prph(priv->trans, APMG_PS_CTRL_REG,
- APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS,
- ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS);
-}
-
static const struct iwl_sensitivity_ranges iwl5000_sensitivity = {
.min_nrg_cck = 100,
.auto_corr_min_ofdm = 90,
struct iwl_lib_ops iwl5000_lib = {
.set_hw_params = iwl5000_hw_set_hw_params,
.set_channel_switch = iwl5000_hw_channel_switch,
- .nic_config = iwl5000_nic_config,
.temperature = iwlagn_temperature,
};
struct iwl_lib_ops iwl5150_lib = {
.set_hw_params = iwl5150_hw_set_hw_params,
.set_channel_switch = iwl5000_hw_channel_switch,
- .nic_config = iwl5000_nic_config,
.temperature = iwl5150_temperature,
};
IWL_PAN_SCD_BK_MSK | IWL_PAN_SCD_MGMT_MSK |
IWL_PAN_SCD_MULTICAST_MSK;
- if (priv->hw_params.sku & EEPROM_SKU_CAP_11N_ENABLE)
+ if (priv->eeprom_data->sku & EEPROM_SKU_CAP_11N_ENABLE)
flush_cmd.fifo_control |= IWL_AGG_TX_QUEUE_MSK;
IWL_DEBUG_INFO(priv, "fifo queue control: 0X%x\n",
hw->max_tx_aggregation_subframes = LINK_QUAL_AGG_FRAME_LIMIT_DEF;
*/
- if (priv->hw_params.sku & EEPROM_SKU_CAP_11N_ENABLE)
+ if (priv->eeprom_data->sku & EEPROM_SKU_CAP_11N_ENABLE)
hw->flags |= IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS |
IEEE80211_HW_SUPPORTS_STATIC_SMPS;
IWL_DEBUG_HT(priv, "A-MPDU action on addr %pM tid %d\n",
sta->addr, tid);
- if (!(priv->hw_params.sku & EEPROM_SKU_CAP_11N_ENABLE))
+ if (!(priv->eeprom_data->sku & EEPROM_SKU_CAP_11N_ENABLE))
return -EACCES;
IWL_DEBUG_MAC80211(priv, "enter\n");
mutex_lock(&priv->mutex);
if (test_bit(STATUS_SCAN_HW, &priv->status)) {
- err = -EBUSY;
- goto out;
+ /* mac80211 should not scan while ROC or ROC while scanning */
+ if (WARN_ON_ONCE(priv->scan_type != IWL_SCAN_RADIO_RESET)) {
+ err = -EBUSY;
+ goto out;
+ }
+
+ iwl_scan_cancel_timeout(priv, 100);
+
+ if (test_bit(STATUS_SCAN_HW, &priv->status)) {
+ err = -EBUSY;
+ goto out;
+ }
}
priv->hw_roc_channel = channel;
#include "iwl-op-mode.h"
#include "iwl-drv.h"
#include "iwl-modparams.h"
+#include "iwl-prph.h"
#include "dev.h"
#include "calib.h"
#include "agn.h"
+
/******************************************************************************
*
* module boiler plate
priv->hw_params.use_rts_for_aggregation =
priv->cfg->ht_params->use_rts_for_aggregation;
- if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_ALL)
- priv->hw_params.sku &= ~EEPROM_SKU_CAP_11N_ENABLE;
-
/* Device-specific setup */
priv->lib->set_hw_params(priv);
}
{
u16 radio_cfg;
- priv->hw_params.sku = priv->eeprom_data->sku;
+ priv->eeprom_data->sku = priv->eeprom_data->sku;
- if (priv->hw_params.sku & EEPROM_SKU_CAP_11N_ENABLE &&
+ if (priv->eeprom_data->sku & EEPROM_SKU_CAP_11N_ENABLE &&
!priv->cfg->ht_params) {
IWL_ERR(priv, "Invalid 11n configuration\n");
return -EINVAL;
}
- if (!priv->hw_params.sku) {
+ if (!priv->eeprom_data->sku) {
IWL_ERR(priv, "Invalid device sku\n");
return -EINVAL;
}
- IWL_INFO(priv, "Device SKU: 0x%X\n", priv->hw_params.sku);
+ IWL_INFO(priv, "Device SKU: 0x%X\n", priv->eeprom_data->sku);
radio_cfg = priv->eeprom_data->radio_cfg;
trans_cfg.queue_watchdog_timeout = IWL_WATCHDOG_DISABLED;
trans_cfg.command_names = iwl_dvm_cmd_strings;
+ WARN_ON(sizeof(priv->transport_queue_stop) * BITS_PER_BYTE <
+ priv->cfg->base_params->num_of_queues);
+
ucode_flags = fw->ucode_capa.flags;
#ifndef CONFIG_IWLWIFI_P2P
************************/
iwl_set_hw_params(priv);
- if (!(priv->hw_params.sku & EEPROM_SKU_CAP_IPAN_ENABLE)) {
+ if (!(priv->eeprom_data->sku & EEPROM_SKU_CAP_IPAN_ENABLE)) {
IWL_DEBUG_INFO(priv, "Your EEPROM disabled PAN");
ucode_flags &= ~IWL_UCODE_TLV_FLAGS_PAN;
/*
CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
CSR_HW_IF_CONFIG_REG_BIT_MAC_SI);
- priv->lib->nic_config(priv);
+ /* W/A : NIC is stuck in a reset state after Early PCIe power off
+ * (PCIe power is lost before PERST# is asserted),
+ * causing ME FW to lose ownership and not being able to obtain it back.
+ */
+ iwl_set_bits_mask_prph(priv->trans, APMG_PS_CTRL_REG,
+ APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS,
+ ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS);
+
+ if (priv->lib->nic_config)
+ priv->lib->nic_config(priv);
}
static void iwl_wimax_active(struct iwl_op_mode *op_mode)
#define IWL_CHANNEL_TUNE_TIME 5
#define MAX_SCAN_CHANNEL 50
+/* For reset radio, need minimal dwell time only */
+#define IWL_RADIO_RESET_DWELL_TIME 5
+
static int iwl_send_scan_abort(struct iwl_priv *priv)
{
int ret;
return 0;
}
-static int iwl_get_single_channel_for_scan(struct iwl_priv *priv,
- struct ieee80211_vif *vif,
- enum ieee80211_band band,
- struct iwl_scan_channel *scan_ch)
+static int iwl_get_channel_for_reset_scan(struct iwl_priv *priv,
+ struct ieee80211_vif *vif,
+ enum ieee80211_band band,
+ struct iwl_scan_channel *scan_ch)
{
const struct ieee80211_supported_band *sband;
- u16 passive_dwell = 0;
- u16 active_dwell = 0;
- int added = 0;
- u16 channel = 0;
+ u16 channel;
sband = iwl_get_hw_mode(priv, band);
if (!sband) {
IWL_ERR(priv, "invalid band\n");
- return added;
+ return 0;
}
- active_dwell = iwl_get_active_dwell_time(priv, band, 0);
- passive_dwell = iwl_get_passive_dwell_time(priv, band);
-
- if (passive_dwell <= active_dwell)
- passive_dwell = active_dwell + 1;
-
channel = iwl_get_single_channel_number(priv, band);
if (channel) {
scan_ch->channel = cpu_to_le16(channel);
scan_ch->type = SCAN_CHANNEL_TYPE_PASSIVE;
- scan_ch->active_dwell = cpu_to_le16(active_dwell);
- scan_ch->passive_dwell = cpu_to_le16(passive_dwell);
+ scan_ch->active_dwell =
+ cpu_to_le16(IWL_RADIO_RESET_DWELL_TIME);
+ scan_ch->passive_dwell =
+ cpu_to_le16(IWL_RADIO_RESET_DWELL_TIME);
/* Set txpower levels to defaults */
scan_ch->dsp_atten = 110;
if (band == IEEE80211_BAND_5GHZ)
scan_ch->tx_gain = ((1 << 5) | (3 << 3)) | 3;
else
scan_ch->tx_gain = ((1 << 5) | (5 << 3));
- added++;
- } else
- IWL_ERR(priv, "no valid channel found\n");
- return added;
+ return 1;
+ }
+
+ IWL_ERR(priv, "no valid channel found\n");
+ return 0;
}
static int iwl_get_channels_for_scan(struct iwl_priv *priv,
switch (priv->scan_type) {
case IWL_SCAN_RADIO_RESET:
scan->channel_count =
- iwl_get_single_channel_for_scan(priv, vif, band,
+ iwl_get_channel_for_reset_scan(priv, vif, band,
(void *)&scan->data[cmd_len]);
break;
case IWL_SCAN_NORMAL:
EEPROM_RADIO_CONFIG);
data->sku = iwl_eeprom_query16(eeprom, eeprom_size,
EEPROM_SKU_CAP);
+ if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_ALL)
+ data->sku &= ~EEPROM_SKU_CAP_11N_ENABLE;
+
data->eeprom_version = iwl_eeprom_query16(eeprom, eeprom_size,
EEPROM_VERSION);
void iwl_abort_notification_waits(struct iwl_notif_wait_data *notif_wait)
{
- unsigned long flags;
struct iwl_notification_wait *wait_entry;
- spin_lock_irqsave(¬if_wait->notif_wait_lock, flags);
+ spin_lock(¬if_wait->notif_wait_lock);
list_for_each_entry(wait_entry, ¬if_wait->notif_waits, list)
wait_entry->aborted = true;
- spin_unlock_irqrestore(¬if_wait->notif_wait_lock, flags);
+ spin_unlock(¬if_wait->notif_wait_lock);
wake_up_all(¬if_wait->notif_waitq);
}
* May sleep
* @rx: Rx notification to the op_mode. rxb is the Rx buffer itself. Cmd is the
* HCMD the this Rx responds to.
- * Must be atomic.
+ * Must be atomic and called with BH disabled.
* @queue_full: notifies that a HW queue is full.
- * Must be atomic
+ * Must be atomic and called with BH disabled.
* @queue_not_full: notifies that a HW queue is not full any more.
- * Must be atomic
+ * Must be atomic and called with BH disabled.
* @hw_rf_kill:notifies of a change in the HW rf kill switch. True means that
* the radio is killed. Must be atomic.
* @free_skb: allows the transport layer to free skbs that haven't been
* reclaimed by the op_mode. This can happen when the driver is freed and
* there are Tx packets pending in the transport layer.
* Must be atomic
- * @nic_error: error notification. Must be atomic
- * @cmd_queue_full: Called when the command queue gets full. Must be atomic.
+ * @nic_error: error notification. Must be atomic and must be called with BH
+ * disabled.
+ * @cmd_queue_full: Called when the command queue gets full. Must be atomic and
+ * called with BH disabled.
* @nic_config: configure NIC, called before firmware is started.
* May sleep
- * @wimax_active: invoked when WiMax becomes active. Must be atomic.
+ * @wimax_active: invoked when WiMax becomes active. Must be atomic and called
+ * with BH disabled.
*/
struct iwl_op_mode_ops {
struct iwl_op_mode *(*start)(struct iwl_trans *trans,
static inline void iwl_op_mode_stop(struct iwl_op_mode *op_mode)
{
might_sleep();
-
op_mode->ops->stop(op_mode);
}
spin_unlock_irqrestore(&trans_pcie->irq_lock, flags);
}
+/* legacy (non-ICT) ISR. Assumes that trans_pcie->irq_lock is held */
static irqreturn_t iwl_isr(int irq, void *data)
{
struct iwl_trans *trans = data;
- struct iwl_trans_pcie *trans_pcie;
+ struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
u32 inta, inta_mask;
- unsigned long flags;
#ifdef CONFIG_IWLWIFI_DEBUG
u32 inta_fh;
#endif
+
+ lockdep_assert_held(&trans_pcie->irq_lock);
+
if (!trans)
return IRQ_NONE;
trace_iwlwifi_dev_irq(trans->dev);
- trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
-
- spin_lock_irqsave(&trans_pcie->irq_lock, flags);
-
/* Disable (but don't clear!) interrupts here to avoid
* back-to-back ISRs and sporadic interrupts from our NIC.
* If we have something to service, the tasklet will re-enable ints.
/* Hardware disappeared. It might have already raised
* an interrupt */
IWL_WARN(trans, "HARDWARE GONE?? INTA == 0x%08x\n", inta);
- goto unplugged;
+ return IRQ_HANDLED;
}
#ifdef CONFIG_IWLWIFI_DEBUG
!trans_pcie->inta)
iwl_enable_interrupts(trans);
- unplugged:
- spin_unlock_irqrestore(&trans_pcie->irq_lock, flags);
- return IRQ_HANDLED;
-
- none:
+none:
/* re-enable interrupts here since we don't have anything to service. */
/* only Re-enable if disabled by irq and no schedules tasklet. */
if (test_bit(STATUS_INT_ENABLED, &trans_pcie->status) &&
!trans_pcie->inta)
iwl_enable_interrupts(trans);
- spin_unlock_irqrestore(&trans_pcie->irq_lock, flags);
return IRQ_NONE;
}
trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
+ spin_lock_irqsave(&trans_pcie->irq_lock, flags);
+
/* dram interrupt table not set yet,
* use legacy interrupt.
*/
- if (!trans_pcie->use_ict)
- return iwl_isr(irq, data);
+ if (unlikely(!trans_pcie->use_ict)) {
+ irqreturn_t ret = iwl_isr(irq, data);
+ spin_unlock_irqrestore(&trans_pcie->irq_lock, flags);
+ return ret;
+ }
trace_iwlwifi_dev_irq(trans->dev);
- spin_lock_irqsave(&trans_pcie->irq_lock, flags);
/* Disable (but don't clear!) interrupts here to avoid
* back-to-back ISRs and sporadic interrupts from our NIC.
static void iwl_trans_pcie_queue_stuck_timer(unsigned long data)
{
struct iwl_tx_queue *txq = (void *)data;
+ struct iwl_queue *q = &txq->q;
struct iwl_trans_pcie *trans_pcie = txq->trans_pcie;
struct iwl_trans *trans = iwl_trans_pcie_get_trans(trans_pcie);
u32 scd_sram_addr = trans_pcie->scd_base_addr +
iwl_read_prph(trans, SCD_QUEUE_WRPTR(i)));
}
+ for (i = q->read_ptr; i != q->write_ptr;
+ i = iwl_queue_inc_wrap(i, q->n_bd)) {
+ struct iwl_tx_cmd *tx_cmd =
+ (struct iwl_tx_cmd *)txq->entries[i].cmd->payload;
+ IWL_ERR(trans, "scratch %d = 0x%08x\n", i,
+ get_unaligned_le32(&tx_cmd->scratch));
+ }
+
iwl_op_mode_nic_error(trans->op_mode);
}
/*
* Activate/Deactivate Tx DMA/FIFO channels according tx fifos mask
- * must be called under the irq lock and with MAC access
*/
static void iwl_trans_txq_set_sched(struct iwl_trans *trans, u32 mask)
{
struct iwl_trans_pcie __maybe_unused *trans_pcie =
IWL_TRANS_GET_PCIE_TRANS(trans);
- lockdep_assert_held(&trans_pcie->irq_lock);
-
iwl_write_prph(trans, SCD_TXFACT, mask);
}
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
u32 a;
- unsigned long flags;
int i, chan;
u32 reg_val;
- spin_lock_irqsave(&trans_pcie->irq_lock, flags);
-
/* make sure all queue are not stopped/used */
memset(trans_pcie->queue_stopped, 0, sizeof(trans_pcie->queue_stopped));
memset(trans_pcie->queue_used, 0, sizeof(trans_pcie->queue_used));
iwl_write_direct32(trans, FH_TX_CHICKEN_BITS_REG,
reg_val | FH_TX_CHICKEN_BITS_SCD_AUTO_RETRY_EN);
- spin_unlock_irqrestore(&trans_pcie->irq_lock, flags);
-
/* Enable L1-Active */
iwl_clear_bits_prph(trans, APMG_PCIDEV_STT_REG,
APMG_PCIDEV_STT_VAL_L1_ACT_DIS);
if (!trans->op_mode)
return -EAGAIN;
+ local_bh_disable();
iwl_op_mode_nic_error(trans->op_mode);
+ local_bh_enable();
return count;
}
projects / deliverable / linux.git / commitdiff
