/******************************************************************************
*
- * Copyright(c) 2003 - 2010 Intel Corporation. All rights reserved.
+ * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved.
*
* Portions of this file are derived from the ipw3945 project, as well
* as portions of the ieee80211 subsystem header files.
MODULE_VERSION(DRV_VERSION);
MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
MODULE_LICENSE("GPL");
-MODULE_ALIAS("iwl4965");
static int iwlagn_ant_coupling;
static bool iwlagn_bt_ch_announce = 1;
}
}
-static void iwl_clear_free_frames(struct iwl_priv *priv)
-{
- struct list_head *element;
-
- IWL_DEBUG_INFO(priv, "%d frames on pre-allocated heap on clear.\n",
- priv->frames_count);
-
- while (!list_empty(&priv->free_frames)) {
- element = priv->free_frames.next;
- list_del(element);
- kfree(list_entry(element, struct iwl_frame, list));
- priv->frames_count--;
- }
-
- if (priv->frames_count) {
- IWL_WARN(priv, "%d frames still in use. Did we lose one?\n",
- priv->frames_count);
- priv->frames_count = 0;
- }
-}
-
-static struct iwl_frame *iwl_get_free_frame(struct iwl_priv *priv)
-{
- struct iwl_frame *frame;
- struct list_head *element;
- if (list_empty(&priv->free_frames)) {
- frame = kzalloc(sizeof(*frame), GFP_KERNEL);
- if (!frame) {
- IWL_ERR(priv, "Could not allocate frame!\n");
- return NULL;
- }
-
- priv->frames_count++;
- return frame;
- }
-
- element = priv->free_frames.next;
- list_del(element);
- return list_entry(element, struct iwl_frame, list);
-}
-
-static void iwl_free_frame(struct iwl_priv *priv, struct iwl_frame *frame)
-{
- memset(frame, 0, sizeof(*frame));
- list_add(&frame->list, &priv->free_frames);
-}
-
-static u32 iwl_fill_beacon_frame(struct iwl_priv *priv,
- struct ieee80211_hdr *hdr,
- int left)
-{
- lockdep_assert_held(&priv->mutex);
-
- if (!priv->beacon_skb)
- return 0;
-
- if (priv->beacon_skb->len > left)
- return 0;
-
- memcpy(hdr, priv->beacon_skb->data, priv->beacon_skb->len);
-
- return priv->beacon_skb->len;
-}
-
/* Parse the beacon frame to find the TIM element and set tim_idx & tim_size */
static void iwl_set_beacon_tim(struct iwl_priv *priv,
struct iwl_tx_beacon_cmd *tx_beacon_cmd,
IWL_WARN(priv, "Unable to find TIM Element in beacon\n");
}
-static unsigned int iwl_hw_get_beacon_cmd(struct iwl_priv *priv,
- struct iwl_frame *frame)
+int iwlagn_send_beacon_cmd(struct iwl_priv *priv)
{
struct iwl_tx_beacon_cmd *tx_beacon_cmd;
+ struct iwl_host_cmd cmd = {
+ .id = REPLY_TX_BEACON,
+ .flags = CMD_SIZE_HUGE,
+ };
u32 frame_size;
u32 rate_flags;
u32 rate;
+ int err;
+
/*
* We have to set up the TX command, the TX Beacon command, and the
* beacon contents.
return 0;
}
- /* Initialize memory */
- tx_beacon_cmd = &frame->u.beacon;
- memset(tx_beacon_cmd, 0, sizeof(*tx_beacon_cmd));
+ if (WARN_ON(!priv->beacon_skb))
+ return -EINVAL;
+
+ /* Allocate beacon memory */
+ tx_beacon_cmd = kzalloc(sizeof(*tx_beacon_cmd) + priv->beacon_skb->len,
+ GFP_KERNEL);
+ if (!tx_beacon_cmd)
+ return -ENOMEM;
+
+ frame_size = priv->beacon_skb->len;
/* Set up TX beacon contents */
- frame_size = iwl_fill_beacon_frame(priv, tx_beacon_cmd->frame,
- sizeof(frame->u) - sizeof(*tx_beacon_cmd));
- if (WARN_ON_ONCE(frame_size > MAX_MPDU_SIZE))
- return 0;
- if (!frame_size)
- return 0;
+ memcpy(tx_beacon_cmd->frame, priv->beacon_skb->data, frame_size);
/* Set up TX command fields */
tx_beacon_cmd->tx.len = cpu_to_le16((u16)frame_size);
tx_beacon_cmd->tx.rate_n_flags = iwl_hw_set_rate_n_flags(rate,
rate_flags);
- return sizeof(*tx_beacon_cmd) + frame_size;
-}
-
-int iwlagn_send_beacon_cmd(struct iwl_priv *priv)
-{
- struct iwl_frame *frame;
- unsigned int frame_size;
- int rc;
-
- frame = iwl_get_free_frame(priv);
- if (!frame) {
- IWL_ERR(priv, "Could not obtain free frame buffer for beacon "
- "command.\n");
- return -ENOMEM;
- }
-
- frame_size = iwl_hw_get_beacon_cmd(priv, frame);
- if (!frame_size) {
- IWL_ERR(priv, "Error configuring the beacon command\n");
- iwl_free_frame(priv, frame);
- return -EINVAL;
- }
+ /* Submit command */
+ cmd.len = sizeof(*tx_beacon_cmd) + frame_size;
+ cmd.data = tx_beacon_cmd;
- rc = iwl_send_cmd_pdu(priv, REPLY_TX_BEACON, frame_size,
- &frame->u.cmd[0]);
+ err = iwl_send_cmd_sync(priv, &cmd);
- iwl_free_frame(priv, frame);
+ /* Free temporary storage */
+ kfree(tx_beacon_cmd);
- return rc;
+ return err;
}
static inline dma_addr_t iwl_tfd_tb_get_addr(struct iwl_tfd *tfd, u8 idx)
return -EINVAL;
}
- BUG_ON(addr & ~DMA_BIT_MASK(36));
+ if (WARN_ON(addr & ~DMA_BIT_MASK(36)))
+ return -EINVAL;
+
if (unlikely(addr & ~IWL_TX_DMA_MASK))
IWL_ERR(priv, "Unaligned address = %llx\n",
(unsigned long long)addr);
* Tell nic where to find circular buffer of Tx Frame Descriptors for
* given Tx queue, and enable the DMA channel used for that queue.
*
- * 4965 supports up to 16 Tx queues in DRAM, mapped to up to 8 Tx DMA
+ * supports up to 16 Tx queues in DRAM, mapped to up to 8 Tx DMA
* channels supported in hardware.
*/
int iwl_hw_tx_queue_init(struct iwl_priv *priv,
return 0;
}
-/******************************************************************************
- *
- * Generic RX handler implementations
- *
- ******************************************************************************/
-static void iwl_rx_reply_alive(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb)
-{
- struct iwl_rx_packet *pkt = rxb_addr(rxb);
- struct iwl_alive_resp *palive;
- struct delayed_work *pwork;
-
- palive = &pkt->u.alive_frame;
-
- IWL_DEBUG_INFO(priv, "Alive ucode status 0x%08X revision "
- "0x%01X 0x%01X\n",
- palive->is_valid, palive->ver_type,
- palive->ver_subtype);
-
- if (palive->ver_subtype == INITIALIZE_SUBTYPE) {
- IWL_DEBUG_INFO(priv, "Initialization Alive received.\n");
- memcpy(&priv->card_alive_init,
- &pkt->u.alive_frame,
- sizeof(struct iwl_init_alive_resp));
- pwork = &priv->init_alive_start;
- } else {
- IWL_DEBUG_INFO(priv, "Runtime Alive received.\n");
- memcpy(&priv->card_alive, &pkt->u.alive_frame,
- sizeof(struct iwl_alive_resp));
- pwork = &priv->alive_start;
- }
-
- /* We delay the ALIVE response by 5ms to
- * give the HW RF Kill time to activate... */
- if (palive->is_valid == UCODE_VALID_OK)
- queue_delayed_work(priv->workqueue, pwork,
- msecs_to_jiffies(5));
- else
- IWL_WARN(priv, "uCode did not respond OK.\n");
-}
-
static void iwl_bg_beacon_update(struct work_struct *work)
{
struct iwl_priv *priv =
container_of(work, struct iwl_priv, bt_full_concurrency);
struct iwl_rxon_context *ctx;
+ mutex_lock(&priv->mutex);
+
if (test_bit(STATUS_EXIT_PENDING, &priv->status))
- return;
+ goto out;
/* dont send host command if rf-kill is on */
if (!iwl_is_ready_rf(priv))
- return;
+ goto out;
IWL_DEBUG_INFO(priv, "BT coex in %s mode\n",
priv->bt_full_concurrent ?
* LQ & RXON updated cmds must be sent before BT Config cmd
* to avoid 3-wire collisions
*/
- mutex_lock(&priv->mutex);
for_each_context(priv, ctx) {
if (priv->cfg->ops->hcmd->set_rxon_chain)
priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx);
iwlcore_commit_rxon(priv, ctx);
}
- mutex_unlock(&priv->mutex);
priv->cfg->ops->hcmd->send_bt_config(priv);
+out:
+ mutex_unlock(&priv->mutex);
}
/**
}
/* Set starting address; reads will auto-increment */
- _iwl_write_direct32(priv, HBUS_TARG_MEM_RADDR, ptr);
+ iwl_write32(priv, HBUS_TARG_MEM_RADDR, ptr);
rmb();
/*
* place event id # at far right for easier visual parsing.
*/
for (i = 0; i < num_events; i++) {
- ev = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT);
- time = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT);
+ ev = iwl_read32(priv, HBUS_TARG_MEM_RDAT);
+ time = iwl_read32(priv, HBUS_TARG_MEM_RDAT);
if (mode == 0) {
trace_iwlwifi_dev_ucode_cont_event(priv,
0, time, ev);
} else {
- data = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT);
+ data = iwl_read32(priv, HBUS_TARG_MEM_RDAT);
trace_iwlwifi_dev_ucode_cont_event(priv,
time, data, ev);
}
u32 num_wraps; /* # times uCode wrapped to top of log */
u32 next_entry; /* index of next entry to be written by uCode */
- if (priv->ucode_type == UCODE_INIT)
- base = le32_to_cpu(priv->card_alive_init.error_event_table_ptr);
- else
- base = le32_to_cpu(priv->card_alive.log_event_table_ptr);
+ base = priv->device_pointers.error_event_table;
if (priv->cfg->ops->lib->is_valid_rtc_data_addr(base)) {
capacity = iwl_read_targ_mem(priv, base);
num_wraps = iwl_read_targ_mem(priv, base + (2 * sizeof(u32)));
}
}
-static void iwl_rx_beacon_notif(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb)
-{
- struct iwl_rx_packet *pkt = rxb_addr(rxb);
- struct iwl4965_beacon_notif *beacon =
- (struct iwl4965_beacon_notif *)pkt->u.raw;
-#ifdef CONFIG_IWLWIFI_DEBUG
- u8 rate = iwl_hw_get_rate(beacon->beacon_notify_hdr.rate_n_flags);
-
- IWL_DEBUG_RX(priv, "beacon status %x retries %d iss %d "
- "tsf %d %d rate %d\n",
- le32_to_cpu(beacon->beacon_notify_hdr.u.status) & TX_STATUS_MSK,
- beacon->beacon_notify_hdr.failure_frame,
- le32_to_cpu(beacon->ibss_mgr_status),
- le32_to_cpu(beacon->high_tsf),
- le32_to_cpu(beacon->low_tsf), rate);
-#endif
-
- priv->ibss_manager = le32_to_cpu(beacon->ibss_mgr_status);
-
- if (!test_bit(STATUS_EXIT_PENDING, &priv->status))
- queue_work(priv->workqueue, &priv->beacon_update);
-}
-
-/* Handle notification from uCode that card's power state is changing
- * due to software, hardware, or critical temperature RFKILL */
-static void iwl_rx_card_state_notif(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb)
-{
- struct iwl_rx_packet *pkt = rxb_addr(rxb);
- u32 flags = le32_to_cpu(pkt->u.card_state_notif.flags);
- unsigned long status = priv->status;
-
- IWL_DEBUG_RF_KILL(priv, "Card state received: HW:%s SW:%s CT:%s\n",
- (flags & HW_CARD_DISABLED) ? "Kill" : "On",
- (flags & SW_CARD_DISABLED) ? "Kill" : "On",
- (flags & CT_CARD_DISABLED) ?
- "Reached" : "Not reached");
-
- if (flags & (SW_CARD_DISABLED | HW_CARD_DISABLED |
- CT_CARD_DISABLED)) {
-
- iwl_write32(priv, CSR_UCODE_DRV_GP1_SET,
- CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED);
-
- iwl_write_direct32(priv, HBUS_TARG_MBX_C,
- HBUS_TARG_MBX_C_REG_BIT_CMD_BLOCKED);
-
- if (!(flags & RXON_CARD_DISABLED)) {
- iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR,
- CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED);
- iwl_write_direct32(priv, HBUS_TARG_MBX_C,
- HBUS_TARG_MBX_C_REG_BIT_CMD_BLOCKED);
- }
- if (flags & CT_CARD_DISABLED)
- iwl_tt_enter_ct_kill(priv);
- }
- if (!(flags & CT_CARD_DISABLED))
- iwl_tt_exit_ct_kill(priv);
-
- if (flags & HW_CARD_DISABLED)
- set_bit(STATUS_RF_KILL_HW, &priv->status);
- else
- clear_bit(STATUS_RF_KILL_HW, &priv->status);
-
-
- if (!(flags & RXON_CARD_DISABLED))
- iwl_scan_cancel(priv);
-
- if ((test_bit(STATUS_RF_KILL_HW, &status) !=
- test_bit(STATUS_RF_KILL_HW, &priv->status)))
- wiphy_rfkill_set_hw_state(priv->hw->wiphy,
- test_bit(STATUS_RF_KILL_HW, &priv->status));
- else
- wake_up_interruptible(&priv->wait_command_queue);
-}
-
static void iwl_bg_tx_flush(struct work_struct *work)
{
struct iwl_priv *priv =
}
}
-/**
- * iwl_setup_rx_handlers - Initialize Rx handler callbacks
- *
- * Setup the RX handlers for each of the reply types sent from the uCode
- * to the host.
- *
- * This function chains into the hardware specific files for them to setup
- * any hardware specific handlers as well.
- */
-static void iwl_setup_rx_handlers(struct iwl_priv *priv)
-{
- priv->rx_handlers[REPLY_ALIVE] = iwl_rx_reply_alive;
- priv->rx_handlers[REPLY_ERROR] = iwl_rx_reply_error;
- priv->rx_handlers[CHANNEL_SWITCH_NOTIFICATION] = iwl_rx_csa;
- priv->rx_handlers[SPECTRUM_MEASURE_NOTIFICATION] =
- iwl_rx_spectrum_measure_notif;
- priv->rx_handlers[PM_SLEEP_NOTIFICATION] = iwl_rx_pm_sleep_notif;
- priv->rx_handlers[PM_DEBUG_STATISTIC_NOTIFIC] =
- iwl_rx_pm_debug_statistics_notif;
- priv->rx_handlers[BEACON_NOTIFICATION] = iwl_rx_beacon_notif;
-
- /*
- * The same handler is used for both the REPLY to a discrete
- * statistics request from the host as well as for the periodic
- * statistics notifications (after received beacons) from the uCode.
- */
- priv->rx_handlers[REPLY_STATISTICS_CMD] = iwl_reply_statistics;
- priv->rx_handlers[STATISTICS_NOTIFICATION] = iwl_rx_statistics;
-
- iwl_setup_rx_scan_handlers(priv);
-
- /* status change handler */
- priv->rx_handlers[CARD_STATE_NOTIFICATION] = iwl_rx_card_state_notif;
-
- priv->rx_handlers[MISSED_BEACONS_NOTIFICATION] =
- iwl_rx_missed_beacon_notif;
- /* Rx handlers */
- priv->rx_handlers[REPLY_RX_PHY_CMD] = iwlagn_rx_reply_rx_phy;
- priv->rx_handlers[REPLY_RX_MPDU_CMD] = iwlagn_rx_reply_rx;
- /* block ack */
- priv->rx_handlers[REPLY_COMPRESSED_BA] = iwlagn_rx_reply_compressed_ba;
- /* Set up hardware specific Rx handlers */
- priv->cfg->ops->lib->rx_handler_setup(priv);
-}
-
/**
* iwl_rx_handle - Main entry function for receiving responses from uCode
*
* the appropriate handlers, including command responses,
* frame-received notifications, and other notifications.
*/
-void iwl_rx_handle(struct iwl_priv *priv)
+static void iwl_rx_handle(struct iwl_priv *priv)
{
struct iwl_rx_mem_buffer *rxb;
struct iwl_rx_packet *pkt;
/* If an RXB doesn't have a Rx queue slot associated with it,
* then a bug has been introduced in the queue refilling
* routines -- catch it here */
- BUG_ON(rxb == NULL);
+ if (WARN_ON(rxb == NULL)) {
+ i = (i + 1) & RX_QUEUE_MASK;
+ continue;
+ }
rxq->queue[i] = NULL;
(pkt->hdr.cmd != STATISTICS_NOTIFICATION) &&
(pkt->hdr.cmd != REPLY_TX);
+ /*
+ * Do the notification wait before RX handlers so
+ * even if the RX handler consumes the RXB we have
+ * access to it in the notification wait entry.
+ */
+ if (!list_empty(&priv->_agn.notif_waits)) {
+ struct iwl_notification_wait *w;
+
+ spin_lock(&priv->_agn.notif_wait_lock);
+ list_for_each_entry(w, &priv->_agn.notif_waits, list) {
+ if (w->cmd == pkt->hdr.cmd) {
+ w->triggered = true;
+ if (w->fn)
+ w->fn(priv, pkt, w->fn_data);
+ }
+ }
+ spin_unlock(&priv->_agn.notif_wait_lock);
+
+ wake_up_all(&priv->_agn.notif_waitq);
+ }
+ if (priv->pre_rx_handler)
+ priv->pre_rx_handler(priv, rxb);
+
/* Based on type of command response or notification,
* handle those that need handling via function in
* rx_handlers table. See iwl_setup_rx_handlers() */
iwlagn_rx_queue_restock(priv);
}
-/* call this function to flush any scheduled tasklet */
-static inline void iwl_synchronize_irq(struct iwl_priv *priv)
-{
- /* wait to make sure we flush pending tasklet*/
- synchronize_irq(priv->pci_dev->irq);
- tasklet_kill(&priv->irq_tasklet);
-}
-
-static void iwl_irq_tasklet_legacy(struct iwl_priv *priv)
-{
- u32 inta, handled = 0;
- u32 inta_fh;
- unsigned long flags;
- u32 i;
-#ifdef CONFIG_IWLWIFI_DEBUG
- u32 inta_mask;
-#endif
-
- spin_lock_irqsave(&priv->lock, flags);
-
- /* Ack/clear/reset pending uCode interrupts.
- * Note: Some bits in CSR_INT are "OR" of bits in CSR_FH_INT_STATUS,
- * and will clear only when CSR_FH_INT_STATUS gets cleared. */
- inta = iwl_read32(priv, CSR_INT);
- iwl_write32(priv, CSR_INT, inta);
-
- /* Ack/clear/reset pending flow-handler (DMA) interrupts.
- * Any new interrupts that happen after this, either while we're
- * in this tasklet, or later, will show up in next ISR/tasklet. */
- inta_fh = iwl_read32(priv, CSR_FH_INT_STATUS);
- iwl_write32(priv, CSR_FH_INT_STATUS, inta_fh);
-
-#ifdef CONFIG_IWLWIFI_DEBUG
- if (iwl_get_debug_level(priv) & IWL_DL_ISR) {
- /* just for debug */
- inta_mask = iwl_read32(priv, CSR_INT_MASK);
- IWL_DEBUG_ISR(priv, "inta 0x%08x, enabled 0x%08x, fh 0x%08x\n",
- inta, inta_mask, inta_fh);
- }
-#endif
-
- spin_unlock_irqrestore(&priv->lock, flags);
-
- /* Since CSR_INT and CSR_FH_INT_STATUS reads and clears are not
- * atomic, make sure that inta covers all the interrupts that
- * we've discovered, even if FH interrupt came in just after
- * reading CSR_INT. */
- if (inta_fh & CSR49_FH_INT_RX_MASK)
- inta |= CSR_INT_BIT_FH_RX;
- if (inta_fh & CSR49_FH_INT_TX_MASK)
- inta |= CSR_INT_BIT_FH_TX;
-
- /* Now service all interrupt bits discovered above. */
- if (inta & CSR_INT_BIT_HW_ERR) {
- IWL_ERR(priv, "Hardware error detected. Restarting.\n");
-
- /* Tell the device to stop sending interrupts */
- iwl_disable_interrupts(priv);
-
- priv->isr_stats.hw++;
- iwl_irq_handle_error(priv);
-
- handled |= CSR_INT_BIT_HW_ERR;
-
- return;
- }
-
-#ifdef CONFIG_IWLWIFI_DEBUG
- if (iwl_get_debug_level(priv) & (IWL_DL_ISR)) {
- /* NIC fires this, but we don't use it, redundant with WAKEUP */
- if (inta & CSR_INT_BIT_SCD) {
- IWL_DEBUG_ISR(priv, "Scheduler finished to transmit "
- "the frame/frames.\n");
- priv->isr_stats.sch++;
- }
-
- /* Alive notification via Rx interrupt will do the real work */
- if (inta & CSR_INT_BIT_ALIVE) {
- IWL_DEBUG_ISR(priv, "Alive interrupt\n");
- priv->isr_stats.alive++;
- }
- }
-#endif
- /* Safely ignore these bits for debug checks below */
- inta &= ~(CSR_INT_BIT_SCD | CSR_INT_BIT_ALIVE);
-
- /* HW RF KILL switch toggled */
- if (inta & CSR_INT_BIT_RF_KILL) {
- int hw_rf_kill = 0;
- if (!(iwl_read32(priv, CSR_GP_CNTRL) &
- CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW))
- hw_rf_kill = 1;
-
- IWL_WARN(priv, "RF_KILL bit toggled to %s.\n",
- hw_rf_kill ? "disable radio" : "enable radio");
-
- priv->isr_stats.rfkill++;
-
- /* driver only loads ucode once setting the interface up.
- * the driver allows loading the ucode even if the radio
- * is killed. Hence update the killswitch state here. The
- * rfkill handler will care about restarting if needed.
- */
- if (!test_bit(STATUS_ALIVE, &priv->status)) {
- if (hw_rf_kill)
- set_bit(STATUS_RF_KILL_HW, &priv->status);
- else
- clear_bit(STATUS_RF_KILL_HW, &priv->status);
- wiphy_rfkill_set_hw_state(priv->hw->wiphy, hw_rf_kill);
- }
-
- handled |= CSR_INT_BIT_RF_KILL;
- }
-
- /* Chip got too hot and stopped itself */
- if (inta & CSR_INT_BIT_CT_KILL) {
- IWL_ERR(priv, "Microcode CT kill error detected.\n");
- priv->isr_stats.ctkill++;
- handled |= CSR_INT_BIT_CT_KILL;
- }
-
- /* Error detected by uCode */
- if (inta & CSR_INT_BIT_SW_ERR) {
- IWL_ERR(priv, "Microcode SW error detected. "
- " Restarting 0x%X.\n", inta);
- priv->isr_stats.sw++;
- iwl_irq_handle_error(priv);
- handled |= CSR_INT_BIT_SW_ERR;
- }
-
- /*
- * uCode wakes up after power-down sleep.
- * Tell device about any new tx or host commands enqueued,
- * and about any Rx buffers made available while asleep.
- */
- if (inta & CSR_INT_BIT_WAKEUP) {
- IWL_DEBUG_ISR(priv, "Wakeup interrupt\n");
- iwl_rx_queue_update_write_ptr(priv, &priv->rxq);
- for (i = 0; i < priv->hw_params.max_txq_num; i++)
- iwl_txq_update_write_ptr(priv, &priv->txq[i]);
- priv->isr_stats.wakeup++;
- handled |= CSR_INT_BIT_WAKEUP;
- }
-
- /* All uCode command responses, including Tx command responses,
- * Rx "responses" (frame-received notification), and other
- * notifications from uCode come through here*/
- if (inta & (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX)) {
- iwl_rx_handle(priv);
- priv->isr_stats.rx++;
- handled |= (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX);
- }
-
- /* This "Tx" DMA channel is used only for loading uCode */
- if (inta & CSR_INT_BIT_FH_TX) {
- IWL_DEBUG_ISR(priv, "uCode load interrupt\n");
- priv->isr_stats.tx++;
- handled |= CSR_INT_BIT_FH_TX;
- /* Wake up uCode load routine, now that load is complete */
- priv->ucode_write_complete = 1;
- wake_up_interruptible(&priv->wait_command_queue);
- }
-
- if (inta & ~handled) {
- IWL_ERR(priv, "Unhandled INTA bits 0x%08x\n", inta & ~handled);
- priv->isr_stats.unhandled++;
- }
-
- if (inta & ~(priv->inta_mask)) {
- IWL_WARN(priv, "Disabled INTA bits 0x%08x were pending\n",
- inta & ~priv->inta_mask);
- IWL_WARN(priv, " with FH_INT = 0x%08x\n", inta_fh);
- }
-
- /* Re-enable all interrupts */
- /* only Re-enable if diabled by irq */
- if (test_bit(STATUS_INT_ENABLED, &priv->status))
- iwl_enable_interrupts(priv);
-
-#ifdef CONFIG_IWLWIFI_DEBUG
- if (iwl_get_debug_level(priv) & (IWL_DL_ISR)) {
- inta = iwl_read32(priv, CSR_INT);
- inta_mask = iwl_read32(priv, CSR_INT_MASK);
- inta_fh = iwl_read32(priv, CSR_FH_INT_STATUS);
- IWL_DEBUG_ISR(priv, "End inta 0x%08x, enabled 0x%08x, fh 0x%08x, "
- "flags 0x%08lx\n", inta, inta_mask, inta_fh, flags);
- }
-#endif
-}
-
/* tasklet for iwlagn interrupt */
static void iwl_irq_tasklet(struct iwl_priv *priv)
{
if (inta & (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX)) {
handled |= (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX);
iwl_write32(priv, CSR_FH_INT_STATUS,
- CSR49_FH_INT_RX_MASK);
+ CSR_FH_INT_RX_MASK);
}
if (inta & CSR_INT_BIT_RX_PERIODIC) {
handled |= CSR_INT_BIT_RX_PERIODIC;
/* This "Tx" DMA channel is used only for loading uCode */
if (inta & CSR_INT_BIT_FH_TX) {
- iwl_write32(priv, CSR_FH_INT_STATUS, CSR49_FH_INT_TX_MASK);
+ iwl_write32(priv, CSR_FH_INT_STATUS, CSR_FH_INT_TX_MASK);
IWL_DEBUG_ISR(priv, "uCode load interrupt\n");
priv->isr_stats.tx++;
handled |= CSR_INT_BIT_FH_TX;
}
/* Re-enable all interrupts */
- /* only Re-enable if diabled by irq */
+ /* only Re-enable if disabled by irq */
if (test_bit(STATUS_INT_ENABLED, &priv->status))
iwl_enable_interrupts(priv);
+ /* Re-enable RF_KILL if it occurred */
+ else if (handled & CSR_INT_BIT_RF_KILL)
+ iwl_enable_rfkill_int(priv);
}
-/* the threshold ratio of actual_ack_cnt to expected_ack_cnt in percent */
-#define ACK_CNT_RATIO (50)
-#define BA_TIMEOUT_CNT (5)
-#define BA_TIMEOUT_MAX (16)
-
-/**
- * iwl_good_ack_health - checks for ACK count ratios, BA timeout retries.
- *
- * When the ACK count ratio is 0 and aggregated BA timeout retries exceeding
- * the BA_TIMEOUT_MAX, reload firmware and bring system back to normal
- * operation state.
- */
-bool iwl_good_ack_health(struct iwl_priv *priv,
- struct iwl_rx_packet *pkt)
-{
- bool rc = true;
- int actual_ack_cnt_delta, expected_ack_cnt_delta;
- int ba_timeout_delta;
-
- actual_ack_cnt_delta =
- le32_to_cpu(pkt->u.stats.tx.actual_ack_cnt) -
- le32_to_cpu(priv->_agn.statistics.tx.actual_ack_cnt);
- expected_ack_cnt_delta =
- le32_to_cpu(pkt->u.stats.tx.expected_ack_cnt) -
- le32_to_cpu(priv->_agn.statistics.tx.expected_ack_cnt);
- ba_timeout_delta =
- le32_to_cpu(pkt->u.stats.tx.agg.ba_timeout) -
- le32_to_cpu(priv->_agn.statistics.tx.agg.ba_timeout);
- if ((priv->_agn.agg_tids_count > 0) &&
- (expected_ack_cnt_delta > 0) &&
- (((actual_ack_cnt_delta * 100) / expected_ack_cnt_delta)
- < ACK_CNT_RATIO) &&
- (ba_timeout_delta > BA_TIMEOUT_CNT)) {
- IWL_DEBUG_RADIO(priv, "actual_ack_cnt delta = %d,"
- " expected_ack_cnt = %d\n",
- actual_ack_cnt_delta, expected_ack_cnt_delta);
-
-#ifdef CONFIG_IWLWIFI_DEBUGFS
- /*
- * This is ifdef'ed on DEBUGFS because otherwise the
- * statistics aren't available. If DEBUGFS is set but
- * DEBUG is not, these will just compile out.
- */
- IWL_DEBUG_RADIO(priv, "rx_detected_cnt delta = %d\n",
- priv->_agn.delta_statistics.tx.rx_detected_cnt);
- IWL_DEBUG_RADIO(priv,
- "ack_or_ba_timeout_collision delta = %d\n",
- priv->_agn.delta_statistics.tx.
- ack_or_ba_timeout_collision);
-#endif
- IWL_DEBUG_RADIO(priv, "agg ba_timeout delta = %d\n",
- ba_timeout_delta);
- if (!actual_ack_cnt_delta &&
- (ba_timeout_delta >= BA_TIMEOUT_MAX))
- rc = false;
- }
- return rc;
-}
-
-
/*****************************************************************************
*
* sysfs attributes
*
******************************************************************************/
-static void iwl_dealloc_ucode_pci(struct iwl_priv *priv)
+static void iwl_free_fw_desc(struct pci_dev *pci_dev, struct fw_desc *desc)
{
- iwl_free_fw_desc(priv->pci_dev, &priv->ucode_code);
- iwl_free_fw_desc(priv->pci_dev, &priv->ucode_data);
- iwl_free_fw_desc(priv->pci_dev, &priv->ucode_data_backup);
- iwl_free_fw_desc(priv->pci_dev, &priv->ucode_init);
- iwl_free_fw_desc(priv->pci_dev, &priv->ucode_init_data);
- iwl_free_fw_desc(priv->pci_dev, &priv->ucode_boot);
+ if (desc->v_addr)
+ dma_free_coherent(&pci_dev->dev, desc->len,
+ desc->v_addr, desc->p_addr);
+ desc->v_addr = NULL;
+ desc->len = 0;
}
-static void iwl_nic_start(struct iwl_priv *priv)
+static void iwl_free_fw_img(struct pci_dev *pci_dev, struct fw_img *img)
{
- /* Remove all resets to allow NIC to operate */
- iwl_write32(priv, CSR_RESET, 0);
+ iwl_free_fw_desc(pci_dev, &img->code);
+ iwl_free_fw_desc(pci_dev, &img->data);
+}
+
+static int iwl_alloc_fw_desc(struct pci_dev *pci_dev, struct fw_desc *desc,
+ const void *data, size_t len)
+{
+ if (!len) {
+ desc->v_addr = NULL;
+ return -EINVAL;
+ }
+
+ desc->v_addr = dma_alloc_coherent(&pci_dev->dev, len,
+ &desc->p_addr, GFP_KERNEL);
+ if (!desc->v_addr)
+ return -ENOMEM;
+ desc->len = len;
+ memcpy(desc->v_addr, data, len);
+ return 0;
+}
+
+static void iwl_dealloc_ucode_pci(struct iwl_priv *priv)
+{
+ iwl_free_fw_img(priv->pci_dev, &priv->ucode_rt);
+ iwl_free_fw_img(priv->pci_dev, &priv->ucode_init);
}
struct iwlagn_ucode_capabilities {
u32 max_probe_length;
u32 standard_phy_calibration_size;
- bool pan;
+ u32 flags;
};
static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context);
}
struct iwlagn_firmware_pieces {
- const void *inst, *data, *init, *init_data, *boot;
- size_t inst_size, data_size, init_size, init_data_size, boot_size;
+ const void *inst, *data, *init, *init_data;
+ size_t inst_size, data_size, init_size, init_data_size;
u32 build;
switch (api_ver) {
default:
- /*
- * 4965 doesn't revision the firmware file format
- * along with the API version, it always uses v1
- * file format.
- */
- if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) !=
- CSR_HW_REV_TYPE_4965) {
- hdr_size = 28;
- if (ucode_raw->size < hdr_size) {
- IWL_ERR(priv, "File size too small!\n");
- return -EINVAL;
- }
- pieces->build = le32_to_cpu(ucode->u.v2.build);
- pieces->inst_size = le32_to_cpu(ucode->u.v2.inst_size);
- pieces->data_size = le32_to_cpu(ucode->u.v2.data_size);
- pieces->init_size = le32_to_cpu(ucode->u.v2.init_size);
- pieces->init_data_size = le32_to_cpu(ucode->u.v2.init_data_size);
- pieces->boot_size = le32_to_cpu(ucode->u.v2.boot_size);
- src = ucode->u.v2.data;
- break;
+ hdr_size = 28;
+ if (ucode_raw->size < hdr_size) {
+ IWL_ERR(priv, "File size too small!\n");
+ return -EINVAL;
}
- /* fall through for 4965 */
+ pieces->build = le32_to_cpu(ucode->u.v2.build);
+ pieces->inst_size = le32_to_cpu(ucode->u.v2.inst_size);
+ pieces->data_size = le32_to_cpu(ucode->u.v2.data_size);
+ pieces->init_size = le32_to_cpu(ucode->u.v2.init_size);
+ pieces->init_data_size = le32_to_cpu(ucode->u.v2.init_data_size);
+ src = ucode->u.v2.data;
+ break;
case 0:
case 1:
case 2:
pieces->data_size = le32_to_cpu(ucode->u.v1.data_size);
pieces->init_size = le32_to_cpu(ucode->u.v1.init_size);
pieces->init_data_size = le32_to_cpu(ucode->u.v1.init_data_size);
- pieces->boot_size = le32_to_cpu(ucode->u.v1.boot_size);
src = ucode->u.v1.data;
break;
}
/* Verify size of file vs. image size info in file's header */
if (ucode_raw->size != hdr_size + pieces->inst_size +
pieces->data_size + pieces->init_size +
- pieces->init_data_size + pieces->boot_size) {
+ pieces->init_data_size) {
IWL_ERR(priv,
"uCode file size %d does not match expected size\n",
src += pieces->init_size;
pieces->init_data = src;
src += pieces->init_data_size;
- pieces->boot = src;
- src += pieces->boot_size;
return 0;
}
pieces->init_data_size = tlv_len;
break;
case IWL_UCODE_TLV_BOOT:
- pieces->boot = tlv_data;
- pieces->boot_size = tlv_len;
+ IWL_ERR(priv, "Found unexpected BOOT ucode\n");
break;
case IWL_UCODE_TLV_PROBE_MAX_LEN:
if (tlv_len != sizeof(u32))
case IWL_UCODE_TLV_PAN:
if (tlv_len)
goto invalid_tlv_len;
- capa->pan = true;
+ capa->flags |= IWL_UCODE_TLV_FLAGS_PAN;
+ break;
+ case IWL_UCODE_TLV_FLAGS:
+ /* must be at least one u32 */
+ if (tlv_len < sizeof(u32))
+ goto invalid_tlv_len;
+ /* and a proper number of u32s */
+ if (tlv_len % sizeof(u32))
+ goto invalid_tlv_len;
+ /*
+ * This driver only reads the first u32 as
+ * right now no more features are defined,
+ * if that changes then either the driver
+ * will not work with the new firmware, or
+ * it'll not take advantage of new features.
+ */
+ capa->flags = le32_to_cpup((__le32 *)tlv_data);
break;
case IWL_UCODE_TLV_INIT_EVTLOG_PTR:
if (tlv_len != sizeof(u32))
le32_to_cpup((__le32 *)tlv_data);
break;
default:
- IWL_WARN(priv, "unknown TLV: %d\n", tlv_type);
+ IWL_DEBUG_INFO(priv, "unknown TLV: %d\n", tlv_type);
break;
}
}
pieces.init_size);
IWL_DEBUG_INFO(priv, "f/w package hdr init data size = %Zd\n",
pieces.init_data_size);
- IWL_DEBUG_INFO(priv, "f/w package hdr boot inst size = %Zd\n",
- pieces.boot_size);
/* Verify that uCode images will fit in card's SRAM */
if (pieces.inst_size > priv->hw_params.max_inst_size) {
goto try_again;
}
- if (pieces.boot_size > priv->hw_params.max_bsm_size) {
- IWL_ERR(priv, "uCode boot instr len %Zd too large to fit in\n",
- pieces.boot_size);
- goto try_again;
- }
-
/* Allocate ucode buffers for card's bus-master loading ... */
/* Runtime instructions and 2 copies of data:
* 1) unmodified from disk
* 2) backup cache for save/restore during power-downs */
- priv->ucode_code.len = pieces.inst_size;
- iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_code);
-
- priv->ucode_data.len = pieces.data_size;
- iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_data);
-
- priv->ucode_data_backup.len = pieces.data_size;
- iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_data_backup);
-
- if (!priv->ucode_code.v_addr || !priv->ucode_data.v_addr ||
- !priv->ucode_data_backup.v_addr)
+ if (iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_rt.code,
+ pieces.inst, pieces.inst_size))
+ goto err_pci_alloc;
+ if (iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_rt.data,
+ pieces.data, pieces.data_size))
goto err_pci_alloc;
/* Initialization instructions and data */
if (pieces.init_size && pieces.init_data_size) {
- priv->ucode_init.len = pieces.init_size;
- iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_init);
-
- priv->ucode_init_data.len = pieces.init_data_size;
- iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_init_data);
-
- if (!priv->ucode_init.v_addr || !priv->ucode_init_data.v_addr)
+ if (iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_init.code,
+ pieces.init, pieces.init_size))
goto err_pci_alloc;
- }
-
- /* Bootstrap (instructions only, no data) */
- if (pieces.boot_size) {
- priv->ucode_boot.len = pieces.boot_size;
- iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_boot);
-
- if (!priv->ucode_boot.v_addr)
+ if (iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_init.data,
+ pieces.init_data, pieces.init_data_size))
goto err_pci_alloc;
}
priv->cfg->base_params->max_event_log_size;
priv->_agn.inst_errlog_ptr = pieces.inst_errlog_ptr;
- if (ucode_capa.pan) {
+ priv->new_scan_threshold_behaviour =
+ !!(ucode_capa.flags & IWL_UCODE_TLV_FLAGS_NEWSCAN);
+
+ if (ucode_capa.flags & IWL_UCODE_TLV_FLAGS_PAN) {
priv->valid_contexts |= BIT(IWL_RXON_CTX_PAN);
priv->sta_key_max_num = STA_KEY_MAX_NUM_PAN;
} else
priv->sta_key_max_num = STA_KEY_MAX_NUM;
- /* Copy images into buffers for card's bus-master reads ... */
-
- /* Runtime instructions (first block of data in file) */
- IWL_DEBUG_INFO(priv, "Copying (but not loading) uCode instr len %Zd\n",
- pieces.inst_size);
- memcpy(priv->ucode_code.v_addr, pieces.inst, pieces.inst_size);
-
- IWL_DEBUG_INFO(priv, "uCode instr buf vaddr = 0x%p, paddr = 0x%08x\n",
- priv->ucode_code.v_addr, (u32)priv->ucode_code.p_addr);
-
- /*
- * Runtime data
- * NOTE: Copy into backup buffer will be done in iwl_up()
- */
- IWL_DEBUG_INFO(priv, "Copying (but not loading) uCode data len %Zd\n",
- pieces.data_size);
- memcpy(priv->ucode_data.v_addr, pieces.data, pieces.data_size);
- memcpy(priv->ucode_data_backup.v_addr, pieces.data, pieces.data_size);
-
- /* Initialization instructions */
- if (pieces.init_size) {
- IWL_DEBUG_INFO(priv, "Copying (but not loading) init instr len %Zd\n",
- pieces.init_size);
- memcpy(priv->ucode_init.v_addr, pieces.init, pieces.init_size);
- }
-
- /* Initialization data */
- if (pieces.init_data_size) {
- IWL_DEBUG_INFO(priv, "Copying (but not loading) init data len %Zd\n",
- pieces.init_data_size);
- memcpy(priv->ucode_init_data.v_addr, pieces.init_data,
- pieces.init_data_size);
- }
-
- /* Bootstrap instructions */
- IWL_DEBUG_INFO(priv, "Copying (but not loading) boot instr len %Zd\n",
- pieces.boot_size);
- memcpy(priv->ucode_boot.v_addr, pieces.boot, pieces.boot_size);
+ if (priv->valid_contexts != BIT(IWL_RXON_CTX_BSS))
+ priv->cmd_queue = IWL_IPAN_CMD_QUEUE_NUM;
+ else
+ priv->cmd_queue = IWL_DEFAULT_CMD_QUEUE_NUM;
/*
* figure out the offset of chain noise reset and gain commands
max = ARRAY_SIZE(advanced_lookup) - 1;
for (i = 0; i < max; i++) {
if (advanced_lookup[i].num == num)
- break;;
+ break;
}
return advanced_lookup[i].name;
}
u32 desc, time, count, base, data1;
u32 blink1, blink2, ilink1, ilink2;
u32 pc, hcmd;
+ struct iwl_error_event_table table;
- if (priv->ucode_type == UCODE_INIT) {
- base = le32_to_cpu(priv->card_alive_init.error_event_table_ptr);
+ base = priv->device_pointers.error_event_table;
+ if (priv->ucode_type == UCODE_SUBTYPE_INIT) {
if (!base)
base = priv->_agn.init_errlog_ptr;
} else {
- base = le32_to_cpu(priv->card_alive.error_event_table_ptr);
if (!base)
base = priv->_agn.inst_errlog_ptr;
}
if (!priv->cfg->ops->lib->is_valid_rtc_data_addr(base)) {
IWL_ERR(priv,
"Not valid error log pointer 0x%08X for %s uCode\n",
- base, (priv->ucode_type == UCODE_INIT) ? "Init" : "RT");
+ base,
+ (priv->ucode_type == UCODE_SUBTYPE_INIT)
+ ? "Init" : "RT");
return;
}
- count = iwl_read_targ_mem(priv, base);
+ iwl_read_targ_mem_words(priv, base, &table, sizeof(table));
+
+ count = table.valid;
if (ERROR_START_OFFSET <= count * ERROR_ELEM_SIZE) {
IWL_ERR(priv, "Start IWL Error Log Dump:\n");
priv->status, count);
}
- desc = iwl_read_targ_mem(priv, base + 1 * sizeof(u32));
+ desc = table.error_id;
priv->isr_stats.err_code = desc;
- pc = iwl_read_targ_mem(priv, base + 2 * sizeof(u32));
- blink1 = iwl_read_targ_mem(priv, base + 3 * sizeof(u32));
- blink2 = iwl_read_targ_mem(priv, base + 4 * sizeof(u32));
- ilink1 = iwl_read_targ_mem(priv, base + 5 * sizeof(u32));
- ilink2 = iwl_read_targ_mem(priv, base + 6 * sizeof(u32));
- data1 = iwl_read_targ_mem(priv, base + 7 * sizeof(u32));
- data2 = iwl_read_targ_mem(priv, base + 8 * sizeof(u32));
- line = iwl_read_targ_mem(priv, base + 9 * sizeof(u32));
- time = iwl_read_targ_mem(priv, base + 11 * sizeof(u32));
- hcmd = iwl_read_targ_mem(priv, base + 22 * sizeof(u32));
+ pc = table.pc;
+ blink1 = table.blink1;
+ blink2 = table.blink2;
+ ilink1 = table.ilink1;
+ ilink2 = table.ilink2;
+ data1 = table.data1;
+ data2 = table.data2;
+ line = table.line;
+ time = table.tsf_low;
+ hcmd = table.hcmd;
trace_iwlwifi_dev_ucode_error(priv, desc, time, data1, data2, line,
blink1, blink2, ilink1, ilink2);
if (num_events == 0)
return pos;
- if (priv->ucode_type == UCODE_INIT) {
- base = le32_to_cpu(priv->card_alive_init.log_event_table_ptr);
+ base = priv->device_pointers.log_event_table;
+ if (priv->ucode_type == UCODE_SUBTYPE_INIT) {
if (!base)
base = priv->_agn.init_evtlog_ptr;
} else {
- base = le32_to_cpu(priv->card_alive.log_event_table_ptr);
if (!base)
base = priv->_agn.inst_evtlog_ptr;
}
iwl_grab_nic_access(priv);
/* Set starting address; reads will auto-increment */
- _iwl_write_direct32(priv, HBUS_TARG_MEM_RADDR, ptr);
+ iwl_write32(priv, HBUS_TARG_MEM_RADDR, ptr);
rmb();
/* "time" is actually "data" for mode 0 (no timestamp).
* place event id # at far right for easier visual parsing. */
for (i = 0; i < num_events; i++) {
- ev = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT);
- time = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT);
+ ev = iwl_read32(priv, HBUS_TARG_MEM_RDAT);
+ time = iwl_read32(priv, HBUS_TARG_MEM_RDAT);
if (mode == 0) {
/* data, ev */
if (bufsz) {
time, ev);
}
} else {
- data = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT);
+ data = iwl_read32(priv, HBUS_TARG_MEM_RDAT);
if (bufsz) {
pos += scnprintf(*buf + pos, bufsz - pos,
"EVT_LOGT:%010u:0x%08x:%04u\n",
int pos = 0;
size_t bufsz = 0;
- if (priv->ucode_type == UCODE_INIT) {
- base = le32_to_cpu(priv->card_alive_init.log_event_table_ptr);
+ base = priv->device_pointers.log_event_table;
+ if (priv->ucode_type == UCODE_SUBTYPE_INIT) {
logsize = priv->_agn.init_evtlog_size;
if (!base)
base = priv->_agn.init_evtlog_ptr;
} else {
- base = le32_to_cpu(priv->card_alive.log_event_table_ptr);
logsize = priv->_agn.inst_evtlog_size;
if (!base)
base = priv->_agn.inst_evtlog_ptr;
if (!priv->cfg->ops->lib->is_valid_rtc_data_addr(base)) {
IWL_ERR(priv,
"Invalid event log pointer 0x%08X for %s uCode\n",
- base, (priv->ucode_type == UCODE_INIT) ? "Init" : "RT");
+ base,
+ (priv->ucode_type == UCODE_SUBTYPE_INIT)
+ ? "Init" : "RT");
return -EINVAL;
}
return pos;
}
- /* enable/disable bt channel announcement */
+ /* enable/disable bt channel inhibition */
priv->bt_ch_announce = iwlagn_bt_ch_announce;
#ifdef CONFIG_IWLWIFI_DEBUG
* from protocol/runtime uCode (initialization uCode's
* Alive gets handled by iwl_init_alive_start()).
*/
-static void iwl_alive_start(struct iwl_priv *priv)
+int iwl_alive_start(struct iwl_priv *priv)
{
int ret = 0;
struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
- IWL_DEBUG_INFO(priv, "Runtime Alive received.\n");
-
- if (priv->card_alive.is_valid != UCODE_VALID_OK) {
- /* We had an error bringing up the hardware, so take it
- * all the way back down so we can try again */
- IWL_DEBUG_INFO(priv, "Alive failed.\n");
- goto restart;
- }
-
- /* Initialize uCode has loaded Runtime uCode ... verify inst image.
- * This is a paranoid check, because we would not have gotten the
- * "runtime" alive if code weren't properly loaded. */
- if (iwl_verify_ucode(priv)) {
- /* Runtime instruction load was bad;
- * take it all the way back down so we can try again */
- IWL_DEBUG_INFO(priv, "Bad runtime uCode load.\n");
- goto restart;
- }
-
- ret = priv->cfg->ops->lib->alive_notify(priv);
- if (ret) {
- IWL_WARN(priv,
- "Could not complete ALIVE transition [ntf]: %d\n", ret);
- goto restart;
- }
+ iwl_reset_ict(priv);
+ IWL_DEBUG_INFO(priv, "Runtime Alive received.\n");
/* After the ALIVE response, we can send host commands to the uCode */
set_bit(STATUS_ALIVE, &priv->status);
- if (priv->cfg->ops->lib->recover_from_tx_stall) {
- /* Enable timer to monitor the driver queues */
- mod_timer(&priv->monitor_recover,
- jiffies +
- msecs_to_jiffies(
- priv->cfg->base_params->monitor_recover_period));
- }
+ /* Enable watchdog to monitor the driver tx queues */
+ iwl_setup_watchdog(priv);
if (iwl_is_rfkill(priv))
- return;
+ return -ERFKILL;
/* download priority table before any calibration request */
if (priv->cfg->bt_params &&
iwlagn_send_prio_tbl(priv);
/* FIXME: w/a to force change uCode BT state machine */
- iwlagn_send_bt_env(priv, IWL_BT_COEX_ENV_OPEN,
- BT_COEX_PRIO_TBL_EVT_INIT_CALIB2);
- iwlagn_send_bt_env(priv, IWL_BT_COEX_ENV_CLOSE,
- BT_COEX_PRIO_TBL_EVT_INIT_CALIB2);
+ ret = iwlagn_send_bt_env(priv, IWL_BT_COEX_ENV_OPEN,
+ BT_COEX_PRIO_TBL_EVT_INIT_CALIB2);
+ if (ret)
+ return ret;
+ ret = iwlagn_send_bt_env(priv, IWL_BT_COEX_ENV_CLOSE,
+ BT_COEX_PRIO_TBL_EVT_INIT_CALIB2);
+ if (ret)
+ return ret;
}
if (priv->hw_params.calib_rt_cfg)
iwlagn_send_calib_cfg_rt(priv, priv->hw_params.calib_rt_cfg);
priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx);
}
- if (priv->cfg->bt_params &&
- !priv->cfg->bt_params->advanced_bt_coexist) {
- /* Configure Bluetooth device coexistence support */
+ if (!priv->cfg->bt_params || (priv->cfg->bt_params &&
+ !priv->cfg->bt_params->advanced_bt_coexist)) {
+ /*
+ * default is 2-wire BT coexexistence support
+ */
priv->cfg->ops->hcmd->send_bt_config(priv);
}
set_bit(STATUS_READY, &priv->status);
/* Configure the adapter for unassociated operation */
- iwlcore_commit_rxon(priv, ctx);
+ ret = iwlcore_commit_rxon(priv, ctx);
+ if (ret)
+ return ret;
/* At this point, the NIC is initialized and operational */
iwl_rf_kill_ct_config(priv);
- iwl_leds_init(priv);
-
IWL_DEBUG_INFO(priv, "ALIVE processing complete.\n");
- wake_up_interruptible(&priv->wait_command_queue);
-
- iwl_power_update_mode(priv, true);
- IWL_DEBUG_INFO(priv, "Updated power mode\n");
-
-
- return;
- restart:
- queue_work(priv->workqueue, &priv->restart);
+ return iwl_power_update_mode(priv, true);
}
static void iwl_cancel_deferred_work(struct iwl_priv *priv);
static void __iwl_down(struct iwl_priv *priv)
{
- unsigned long flags;
- int exit_pending = test_bit(STATUS_EXIT_PENDING, &priv->status);
+ int exit_pending;
IWL_DEBUG_INFO(priv, DRV_NAME " is going down\n");
/* Stop TX queues watchdog. We need to have STATUS_EXIT_PENDING bit set
* to prevent rearm timer */
- if (priv->cfg->ops->lib->recover_from_tx_stall)
- del_timer_sync(&priv->monitor_recover);
+ del_timer_sync(&priv->watchdog);
iwl_clear_ucode_stations(priv, NULL);
iwl_dealloc_bcast_stations(priv);
priv->cfg->bt_params->bt_init_traffic_load;
else
priv->bt_traffic_load = 0;
- priv->bt_sco_active = false;
priv->bt_full_concurrent = false;
priv->bt_ci_compliance = 0;
- /* Unblock any waiting calls */
- wake_up_interruptible_all(&priv->wait_command_queue);
-
/* Wipe out the EXIT_PENDING status bit if we are not actually
* exiting the module */
if (!exit_pending)
clear_bit(STATUS_EXIT_PENDING, &priv->status);
- /* stop and reset the on-board processor */
- iwl_write32(priv, CSR_RESET, CSR_RESET_REG_FLAG_NEVO_RESET);
-
- /* tell the device to stop sending interrupts */
- spin_lock_irqsave(&priv->lock, flags);
- iwl_disable_interrupts(priv);
- spin_unlock_irqrestore(&priv->lock, flags);
- iwl_synchronize_irq(priv);
-
if (priv->mac80211_registered)
ieee80211_stop_queues(priv->hw);
- /* If we have not previously called iwl_init() then
- * clear all bits but the RF Kill bit and return */
- if (!iwl_is_init(priv)) {
- priv->status = test_bit(STATUS_RF_KILL_HW, &priv->status) <<
- STATUS_RF_KILL_HW |
- test_bit(STATUS_GEO_CONFIGURED, &priv->status) <<
- STATUS_GEO_CONFIGURED |
- test_bit(STATUS_EXIT_PENDING, &priv->status) <<
- STATUS_EXIT_PENDING;
- goto exit;
- }
-
- /* ...otherwise clear out all the status bits but the RF Kill
- * bit and continue taking the NIC down. */
+ /* Clear out all status bits but a few that are stable across reset */
priv->status &= test_bit(STATUS_RF_KILL_HW, &priv->status) <<
STATUS_RF_KILL_HW |
test_bit(STATUS_GEO_CONFIGURED, &priv->status) <<
test_bit(STATUS_EXIT_PENDING, &priv->status) <<
STATUS_EXIT_PENDING;
- /* device going down, Stop using ICT table */
- if (priv->cfg->ops->lib->isr_ops.disable)
- priv->cfg->ops->lib->isr_ops.disable(priv);
-
- iwlagn_txq_ctx_stop(priv);
- iwlagn_rxq_stop(priv);
-
- /* Power-down device's busmaster DMA clocks */
- iwl_write_prph(priv, APMG_CLK_DIS_REG, APMG_CLK_VAL_DMA_CLK_RQT);
- udelay(5);
-
- /* Make sure (redundant) we've released our request to stay awake */
- iwl_clear_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ);
-
- /* Stop the device, and put it in low power state */
- iwl_apm_stop(priv);
-
- exit:
- memset(&priv->card_alive, 0, sizeof(struct iwl_alive_resp));
+ iwlagn_stop_device(priv);
dev_kfree_skb(priv->beacon_skb);
priv->beacon_skb = NULL;
-
- /* clear out any free frames */
- iwl_clear_free_frames(priv);
}
static void iwl_down(struct iwl_priv *priv)
#define HW_READY_TIMEOUT (50)
+/* Note: returns poll_bit return value, which is >= 0 if success */
static int iwl_set_hw_ready(struct iwl_priv *priv)
{
- int ret = 0;
+ int ret;
iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
CSR_HW_IF_CONFIG_REG_BIT_NIC_READY);
CSR_HW_IF_CONFIG_REG_BIT_NIC_READY,
CSR_HW_IF_CONFIG_REG_BIT_NIC_READY,
HW_READY_TIMEOUT);
- if (ret != -ETIMEDOUT)
- priv->hw_ready = true;
- else
- priv->hw_ready = false;
- IWL_DEBUG_INFO(priv, "hardware %s\n",
- (priv->hw_ready == 1) ? "ready" : "not ready");
+ IWL_DEBUG_INFO(priv, "hardware%s ready\n", ret < 0 ? " not" : "");
return ret;
}
-static int iwl_prepare_card_hw(struct iwl_priv *priv)
+/* Note: returns standard 0/-ERROR code */
+int iwl_prepare_card_hw(struct iwl_priv *priv)
{
- int ret = 0;
+ int ret;
IWL_DEBUG_INFO(priv, "iwl_prepare_card_hw enter\n");
ret = iwl_set_hw_ready(priv);
- if (priv->hw_ready)
- return ret;
+ if (ret >= 0)
+ return 0;
/* If HW is not ready, prepare the conditions to check again */
iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
ret = iwl_poll_bit(priv, CSR_HW_IF_CONFIG_REG,
~CSR_HW_IF_CONFIG_REG_BIT_NIC_PREPARE_DONE,
- CSR_HW_IF_CONFIG_REG_BIT_NIC_PREPARE_DONE, 150000);
-
- /* HW should be ready by now, check again. */
- if (ret != -ETIMEDOUT)
- iwl_set_hw_ready(priv);
-
- return ret;
-}
-
-#define MAX_HW_RESTARTS 5
-
-static int __iwl_up(struct iwl_priv *priv)
-{
- struct iwl_rxon_context *ctx;
- int i;
- int ret;
-
- if (test_bit(STATUS_EXIT_PENDING, &priv->status)) {
- IWL_WARN(priv, "Exit pending; will not bring the NIC up\n");
- return -EIO;
- }
-
- if (!priv->ucode_data_backup.v_addr || !priv->ucode_data.v_addr) {
- IWL_ERR(priv, "ucode not available for device bringup\n");
- return -EIO;
- }
-
- for_each_context(priv, ctx) {
- ret = iwlagn_alloc_bcast_station(priv, ctx);
- if (ret) {
- iwl_dealloc_bcast_stations(priv);
- return ret;
- }
- }
-
- iwl_prepare_card_hw(priv);
-
- if (!priv->hw_ready) {
- IWL_WARN(priv, "Exit HW not ready\n");
- return -EIO;
- }
-
- /* If platform's RF_KILL switch is NOT set to KILL */
- if (iwl_read32(priv, CSR_GP_CNTRL) & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW)
- clear_bit(STATUS_RF_KILL_HW, &priv->status);
- else
- set_bit(STATUS_RF_KILL_HW, &priv->status);
-
- if (iwl_is_rfkill(priv)) {
- wiphy_rfkill_set_hw_state(priv->hw->wiphy, true);
-
- iwl_enable_interrupts(priv);
- IWL_WARN(priv, "Radio disabled by HW RF Kill switch\n");
- return 0;
- }
-
- iwl_write32(priv, CSR_INT, 0xFFFFFFFF);
-
- /* must be initialised before iwl_hw_nic_init */
- if (priv->valid_contexts != BIT(IWL_RXON_CTX_BSS))
- priv->cmd_queue = IWL_IPAN_CMD_QUEUE_NUM;
- else
- priv->cmd_queue = IWL_DEFAULT_CMD_QUEUE_NUM;
-
- ret = iwlagn_hw_nic_init(priv);
- if (ret) {
- IWL_ERR(priv, "Unable to init nic\n");
- return ret;
- }
+ CSR_HW_IF_CONFIG_REG_BIT_NIC_PREPARE_DONE, 150000);
- /* make sure rfkill handshake bits are cleared */
- iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL);
- iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR,
- CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED);
+ if (ret < 0)
+ return ret;
- /* clear (again), then enable host interrupts */
- iwl_write32(priv, CSR_INT, 0xFFFFFFFF);
- iwl_enable_interrupts(priv);
+ /* HW should be ready by now, check again. */
+ ret = iwl_set_hw_ready(priv);
+ if (ret >= 0)
+ return 0;
+ return ret;
+}
- /* really make sure rfkill handshake bits are cleared */
- iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL);
- iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL);
+#define MAX_HW_RESTARTS 5
- /* Copy original ucode data image from disk into backup cache.
- * This will be used to initialize the on-board processor's
- * data SRAM for a clean start when the runtime program first loads. */
- memcpy(priv->ucode_data_backup.v_addr, priv->ucode_data.v_addr,
- priv->ucode_data.len);
+static int __iwl_up(struct iwl_priv *priv)
+{
+ struct iwl_rxon_context *ctx;
+ int ret;
- for (i = 0; i < MAX_HW_RESTARTS; i++) {
+ lockdep_assert_held(&priv->mutex);
- /* load bootstrap state machine,
- * load bootstrap program into processor's memory,
- * prepare to load the "initialize" uCode */
- ret = priv->cfg->ops->lib->load_ucode(priv);
+ if (test_bit(STATUS_EXIT_PENDING, &priv->status)) {
+ IWL_WARN(priv, "Exit pending; will not bring the NIC up\n");
+ return -EIO;
+ }
+ for_each_context(priv, ctx) {
+ ret = iwlagn_alloc_bcast_station(priv, ctx);
if (ret) {
- IWL_ERR(priv, "Unable to set up bootstrap uCode: %d\n",
- ret);
- continue;
+ iwl_dealloc_bcast_stations(priv);
+ return ret;
}
+ }
- /* start card; "initialize" will load runtime ucode */
- iwl_nic_start(priv);
-
- IWL_DEBUG_INFO(priv, DRV_NAME " is coming up\n");
+ ret = iwlagn_run_init_ucode(priv);
+ if (ret) {
+ IWL_ERR(priv, "Failed to run INIT ucode: %d\n", ret);
+ goto error;
+ }
- return 0;
+ ret = iwlagn_load_ucode_wait_alive(priv,
+ &priv->ucode_rt,
+ UCODE_SUBTYPE_REGULAR,
+ UCODE_SUBTYPE_REGULAR_NEW);
+ if (ret) {
+ IWL_ERR(priv, "Failed to start RT ucode: %d\n", ret);
+ goto error;
}
+ ret = iwl_alive_start(priv);
+ if (ret)
+ goto error;
+ return 0;
+
+ error:
set_bit(STATUS_EXIT_PENDING, &priv->status);
__iwl_down(priv);
clear_bit(STATUS_EXIT_PENDING, &priv->status);
- /* tried to restart and config the device for as long as our
- * patience could withstand */
- IWL_ERR(priv, "Unable to initialize device after %d attempts.\n", i);
- return -EIO;
+ IWL_ERR(priv, "Unable to initialize device.\n");
+ return ret;
}
*
*****************************************************************************/
-static void iwl_bg_init_alive_start(struct work_struct *data)
-{
- struct iwl_priv *priv =
- container_of(data, struct iwl_priv, init_alive_start.work);
-
- if (test_bit(STATUS_EXIT_PENDING, &priv->status))
- return;
-
- mutex_lock(&priv->mutex);
- priv->cfg->ops->lib->init_alive_start(priv);
- mutex_unlock(&priv->mutex);
-}
-
-static void iwl_bg_alive_start(struct work_struct *data)
-{
- struct iwl_priv *priv =
- container_of(data, struct iwl_priv, alive_start.work);
-
- if (test_bit(STATUS_EXIT_PENDING, &priv->status))
- return;
-
- /* enable dram interrupt */
- if (priv->cfg->ops->lib->isr_ops.reset)
- priv->cfg->ops->lib->isr_ops.reset(priv);
-
- mutex_lock(&priv->mutex);
- iwl_alive_start(priv);
- mutex_unlock(&priv->mutex);
-}
-
static void iwl_bg_run_time_calib_work(struct work_struct *work)
{
struct iwl_priv *priv = container_of(work, struct iwl_priv,
}
if (priv->start_calib) {
- if (priv->cfg->bt_params &&
- priv->cfg->bt_params->bt_statistics) {
- iwl_chain_noise_calibration(priv,
- (void *)&priv->_agn.statistics_bt);
- iwl_sensitivity_calibration(priv,
- (void *)&priv->_agn.statistics_bt);
- } else {
- iwl_chain_noise_calibration(priv,
- (void *)&priv->_agn.statistics);
- iwl_sensitivity_calibration(priv,
- (void *)&priv->_agn.statistics);
- }
+ iwl_chain_noise_calibration(priv);
+ iwl_sensitivity_calibration(priv);
}
mutex_unlock(&priv->mutex);
}
+static void iwlagn_prepare_restart(struct iwl_priv *priv)
+{
+ struct iwl_rxon_context *ctx;
+ bool bt_full_concurrent;
+ u8 bt_ci_compliance;
+ u8 bt_load;
+ u8 bt_status;
+
+ lockdep_assert_held(&priv->mutex);
+
+ for_each_context(priv, ctx)
+ ctx->vif = NULL;
+ priv->is_open = 0;
+
+ /*
+ * __iwl_down() will clear the BT status variables,
+ * which is correct, but when we restart we really
+ * want to keep them so restore them afterwards.
+ *
+ * The restart process will later pick them up and
+ * re-configure the hw when we reconfigure the BT
+ * command.
+ */
+ bt_full_concurrent = priv->bt_full_concurrent;
+ bt_ci_compliance = priv->bt_ci_compliance;
+ bt_load = priv->bt_traffic_load;
+ bt_status = priv->bt_status;
+
+ __iwl_down(priv);
+
+ priv->bt_full_concurrent = bt_full_concurrent;
+ priv->bt_ci_compliance = bt_ci_compliance;
+ priv->bt_traffic_load = bt_load;
+ priv->bt_status = bt_status;
+}
+
static void iwl_bg_restart(struct work_struct *data)
{
struct iwl_priv *priv = container_of(data, struct iwl_priv, restart);
return;
if (test_and_clear_bit(STATUS_FW_ERROR, &priv->status)) {
- struct iwl_rxon_context *ctx;
- bool bt_sco, bt_full_concurrent;
- u8 bt_ci_compliance;
- u8 bt_load;
- u8 bt_status;
-
mutex_lock(&priv->mutex);
- for_each_context(priv, ctx)
- ctx->vif = NULL;
- priv->is_open = 0;
-
- /*
- * __iwl_down() will clear the BT status variables,
- * which is correct, but when we restart we really
- * want to keep them so restore them afterwards.
- *
- * The restart process will later pick them up and
- * re-configure the hw when we reconfigure the BT
- * command.
- */
- bt_sco = priv->bt_sco_active;
- bt_full_concurrent = priv->bt_full_concurrent;
- bt_ci_compliance = priv->bt_ci_compliance;
- bt_load = priv->bt_traffic_load;
- bt_status = priv->bt_status;
-
- __iwl_down(priv);
-
- priv->bt_sco_active = bt_sco;
- priv->bt_full_concurrent = bt_full_concurrent;
- priv->bt_ci_compliance = bt_ci_compliance;
- priv->bt_traffic_load = bt_load;
- priv->bt_status = bt_status;
-
+ iwlagn_prepare_restart(priv);
mutex_unlock(&priv->mutex);
iwl_cancel_deferred_work(priv);
ieee80211_restart_hw(priv->hw);
} else {
- iwl_down(priv);
-
- if (test_bit(STATUS_EXIT_PENDING, &priv->status))
- return;
-
- mutex_lock(&priv->mutex);
- __iwl_up(priv);
- mutex_unlock(&priv->mutex);
+ WARN_ON(1);
}
}
mutex_unlock(&priv->mutex);
}
+static int iwl_mac_offchannel_tx(struct ieee80211_hw *hw, struct sk_buff *skb,
+ struct ieee80211_channel *chan,
+ enum nl80211_channel_type channel_type,
+ unsigned int wait)
+{
+ struct iwl_priv *priv = hw->priv;
+ int ret;
+
+ /* Not supported if we don't have PAN */
+ if (!(priv->valid_contexts & BIT(IWL_RXON_CTX_PAN))) {
+ ret = -EOPNOTSUPP;
+ goto free;
+ }
+
+ /* Not supported on pre-P2P firmware */
+ if (!(priv->contexts[IWL_RXON_CTX_PAN].interface_modes &
+ BIT(NL80211_IFTYPE_P2P_CLIENT))) {
+ ret = -EOPNOTSUPP;
+ goto free;
+ }
+
+ mutex_lock(&priv->mutex);
+
+ if (!priv->contexts[IWL_RXON_CTX_PAN].is_active) {
+ /*
+ * If the PAN context is free, use the normal
+ * way of doing remain-on-channel offload + TX.
+ */
+ ret = 1;
+ goto out;
+ }
+
+ /* TODO: queue up if scanning? */
+ if (test_bit(STATUS_SCANNING, &priv->status) ||
+ priv->_agn.offchan_tx_skb) {
+ ret = -EBUSY;
+ goto out;
+ }
+
+ /*
+ * max_scan_ie_len doesn't include the blank SSID or the header,
+ * so need to add that again here.
+ */
+ if (skb->len > hw->wiphy->max_scan_ie_len + 24 + 2) {
+ ret = -ENOBUFS;
+ goto out;
+ }
+
+ priv->_agn.offchan_tx_skb = skb;
+ priv->_agn.offchan_tx_timeout = wait;
+ priv->_agn.offchan_tx_chan = chan;
+
+ ret = iwl_scan_initiate(priv, priv->contexts[IWL_RXON_CTX_PAN].vif,
+ IWL_SCAN_OFFCH_TX, chan->band);
+ if (ret)
+ priv->_agn.offchan_tx_skb = NULL;
+ out:
+ mutex_unlock(&priv->mutex);
+ free:
+ if (ret < 0)
+ kfree_skb(skb);
+
+ return ret;
+}
+
+static int iwl_mac_offchannel_tx_cancel_wait(struct ieee80211_hw *hw)
+{
+ struct iwl_priv *priv = hw->priv;
+ int ret;
+
+ mutex_lock(&priv->mutex);
+
+ if (!priv->_agn.offchan_tx_skb) {
+ ret = -EINVAL;
+ goto unlock;
+ }
+
+ priv->_agn.offchan_tx_skb = NULL;
+
+ ret = iwl_scan_cancel_timeout(priv, 200);
+ if (ret)
+ ret = -EIO;
+unlock:
+ mutex_unlock(&priv->mutex);
+
+ return ret;
+}
+
/*****************************************************************************
*
* mac80211 entry point functions
*
*****************************************************************************/
-#define UCODE_READY_TIMEOUT (4 * HZ)
-
/*
* Not a mac80211 entry point function, but it fits in with all the
* other mac80211 functions grouped here.
IEEE80211_HW_SPECTRUM_MGMT |
IEEE80211_HW_REPORTS_TX_ACK_STATUS;
- if (!priv->cfg->base_params->broken_powersave)
- hw->flags |= IEEE80211_HW_SUPPORTS_PS |
- IEEE80211_HW_SUPPORTS_DYNAMIC_PS;
+ hw->max_tx_aggregation_subframes = LINK_QUAL_AGG_FRAME_LIMIT_DEF;
+
+ hw->flags |= IEEE80211_HW_SUPPORTS_PS |
+ IEEE80211_HW_SUPPORTS_DYNAMIC_PS;
if (priv->cfg->sku & IWL_SKU_N)
hw->flags |= IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS |
IEEE80211_HW_SUPPORTS_STATIC_SMPS;
+ if (capa->flags & IWL_UCODE_TLV_FLAGS_MFP)
+ hw->flags |= IEEE80211_HW_MFP_CAPABLE;
+
hw->sta_data_size = sizeof(struct iwl_station_priv);
hw->vif_data_size = sizeof(struct iwl_vif_priv);
hw->wiphy->interface_modes |= ctx->exclusive_interface_modes;
}
+ hw->wiphy->max_remain_on_channel_duration = 1000;
+
hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY |
- WIPHY_FLAG_DISABLE_BEACON_HINTS;
+ WIPHY_FLAG_DISABLE_BEACON_HINTS |
+ WIPHY_FLAG_IBSS_RSN;
/*
* For now, disable PS by default because it affects
priv->hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
&priv->bands[IEEE80211_BAND_5GHZ];
+ iwl_leds_init(priv);
+
ret = ieee80211_register_hw(priv->hw);
if (ret) {
IWL_ERR(priv, "Failed to register hw (error %d)\n", ret);
}
-int iwlagn_mac_start(struct ieee80211_hw *hw)
+static int iwlagn_mac_start(struct ieee80211_hw *hw)
{
struct iwl_priv *priv = hw->priv;
int ret;
mutex_lock(&priv->mutex);
ret = __iwl_up(priv);
mutex_unlock(&priv->mutex);
-
if (ret)
return ret;
- if (iwl_is_rfkill(priv))
- goto out;
-
IWL_DEBUG_INFO(priv, "Start UP work done.\n");
- /* Wait for START_ALIVE from Run Time ucode. Otherwise callbacks from
- * mac80211 will not be run successfully. */
- ret = wait_event_interruptible_timeout(priv->wait_command_queue,
- test_bit(STATUS_READY, &priv->status),
- UCODE_READY_TIMEOUT);
- if (!ret) {
- if (!test_bit(STATUS_READY, &priv->status)) {
- IWL_ERR(priv, "START_ALIVE timeout after %dms.\n",
- jiffies_to_msecs(UCODE_READY_TIMEOUT));
- return -ETIMEDOUT;
- }
- }
+ /* Now we should be done, and the READY bit should be set. */
+ if (WARN_ON(!test_bit(STATUS_READY, &priv->status)))
+ ret = -EIO;
- iwl_led_start(priv);
+ iwlagn_led_enable(priv);
-out:
priv->is_open = 1;
IWL_DEBUG_MAC80211(priv, "leave\n");
return 0;
}
-void iwlagn_mac_stop(struct ieee80211_hw *hw)
+static void iwlagn_mac_stop(struct ieee80211_hw *hw)
{
struct iwl_priv *priv = hw->priv;
flush_workqueue(priv->workqueue);
- /* enable interrupts again in order to receive rfkill changes */
+ /* User space software may expect getting rfkill changes
+ * even if interface is down */
iwl_write32(priv, CSR_INT, 0xFFFFFFFF);
- iwl_enable_interrupts(priv);
+ iwl_enable_rfkill_int(priv);
IWL_DEBUG_MAC80211(priv, "leave\n");
}
-int iwlagn_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+static void iwlagn_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
{
struct iwl_priv *priv = hw->priv;
dev_kfree_skb_any(skb);
IWL_DEBUG_MACDUMP(priv, "leave\n");
- return NETDEV_TX_OK;
}
-void iwlagn_mac_update_tkip_key(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- struct ieee80211_key_conf *keyconf,
- struct ieee80211_sta *sta,
- u32 iv32, u16 *phase1key)
+static void iwlagn_mac_update_tkip_key(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_key_conf *keyconf,
+ struct ieee80211_sta *sta,
+ u32 iv32, u16 *phase1key)
{
struct iwl_priv *priv = hw->priv;
struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
IWL_DEBUG_MAC80211(priv, "leave\n");
}
-int iwlagn_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
- struct ieee80211_vif *vif, struct ieee80211_sta *sta,
- struct ieee80211_key_conf *key)
+static int iwlagn_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ struct ieee80211_key_conf *key)
{
struct iwl_priv *priv = hw->priv;
struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
IWL_DEBUG_MAC80211(priv, "enter\n");
- if (priv->cfg->mod_params->sw_crypto) {
+ if (iwlagn_mod_params.sw_crypto) {
IWL_DEBUG_MAC80211(priv, "leave - hwcrypto disabled\n");
return -EOPNOTSUPP;
}
+ /*
+ * To support IBSS RSN, don't program group keys in IBSS, the
+ * hardware will then not attempt to decrypt the frames.
+ */
+ if (vif->type == NL80211_IFTYPE_ADHOC &&
+ !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
+ return -EOPNOTSUPP;
+
sta_id = iwl_sta_id_or_broadcast(priv, vif_priv->ctx, sta);
if (sta_id == IWL_INVALID_STATION)
return -EINVAL;
return ret;
}
-int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- enum ieee80211_ampdu_mlme_action action,
- struct ieee80211_sta *sta, u16 tid, u16 *ssn)
+static int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ enum ieee80211_ampdu_mlme_action action,
+ struct ieee80211_sta *sta, u16 tid, u16 *ssn,
+ u8 buf_size)
{
struct iwl_priv *priv = hw->priv;
int ret = -EINVAL;
+ struct iwl_station_priv *sta_priv = (void *) sta->drv_priv;
IWL_DEBUG_HT(priv, "A-MPDU action on addr %pM tid %d\n",
sta->addr, tid);
}
break;
case IEEE80211_AMPDU_TX_OPERATIONAL:
+ buf_size = min_t(int, buf_size, LINK_QUAL_AGG_FRAME_LIMIT_DEF);
+
+ iwlagn_txq_agg_queue_setup(priv, sta, tid, buf_size);
+
+ /*
+ * If the limit is 0, then it wasn't initialised yet,
+ * use the default. We can do that since we take the
+ * minimum below, and we don't want to go above our
+ * default due to hardware restrictions.
+ */
+ if (sta_priv->max_agg_bufsize == 0)
+ sta_priv->max_agg_bufsize =
+ LINK_QUAL_AGG_FRAME_LIMIT_DEF;
+
+ /*
+ * Even though in theory the peer could have different
+ * aggregation reorder buffer sizes for different sessions,
+ * our ucode doesn't allow for that and has a global limit
+ * for each station. Therefore, use the minimum of all the
+ * aggregation sessions and our default value.
+ */
+ sta_priv->max_agg_bufsize =
+ min(sta_priv->max_agg_bufsize, buf_size);
+
if (priv->cfg->ht_params &&
priv->cfg->ht_params->use_rts_for_aggregation) {
- struct iwl_station_priv *sta_priv =
- (void *) sta->drv_priv;
-
/*
* switch to RTS/CTS if it is the prefer protection
* method for HT traffic
sta_priv->lq_sta.lq.general_params.flags |=
LINK_QUAL_FLAGS_SET_STA_TLC_RTS_MSK;
- iwl_send_lq_cmd(priv, iwl_rxon_ctx_from_vif(vif),
- &sta_priv->lq_sta.lq, CMD_ASYNC, false);
}
+
+ sta_priv->lq_sta.lq.agg_params.agg_frame_cnt_limit =
+ sta_priv->max_agg_bufsize;
+
+ iwl_send_lq_cmd(priv, iwl_rxon_ctx_from_vif(vif),
+ &sta_priv->lq_sta.lq, CMD_ASYNC, false);
ret = 0;
break;
}
return ret;
}
-int iwlagn_mac_sta_add(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- struct ieee80211_sta *sta)
+static int iwlagn_mac_sta_add(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
{
struct iwl_priv *priv = hw->priv;
struct iwl_station_priv *sta_priv = (void *)sta->drv_priv;
return 0;
}
-void iwlagn_mac_channel_switch(struct ieee80211_hw *hw,
- struct ieee80211_channel_switch *ch_switch)
+static void iwlagn_mac_channel_switch(struct ieee80211_hw *hw,
+ struct ieee80211_channel_switch *ch_switch)
{
struct iwl_priv *priv = hw->priv;
const struct iwl_channel_info *ch_info;
IWL_DEBUG_MAC80211(priv, "enter\n");
+ mutex_lock(&priv->mutex);
+
if (iwl_is_rfkill(priv))
- goto out_exit;
+ goto out;
if (test_bit(STATUS_EXIT_PENDING, &priv->status) ||
test_bit(STATUS_SCANNING, &priv->status))
- goto out_exit;
+ goto out;
if (!iwl_is_associated_ctx(ctx))
- goto out_exit;
+ goto out;
/* channel switch in progress */
if (priv->switch_rxon.switch_in_progress == true)
- goto out_exit;
+ goto out;
- mutex_lock(&priv->mutex);
if (priv->cfg->ops->lib->set_channel_switch) {
ch = channel->hw_value;
}
out:
mutex_unlock(&priv->mutex);
-out_exit:
if (!priv->switch_rxon.switch_in_progress)
ieee80211_chswitch_done(ctx->vif, false);
IWL_DEBUG_MAC80211(priv, "leave\n");
}
-void iwlagn_configure_filter(struct ieee80211_hw *hw,
- unsigned int changed_flags,
- unsigned int *total_flags,
- u64 multicast)
+static void iwlagn_configure_filter(struct ieee80211_hw *hw,
+ unsigned int changed_flags,
+ unsigned int *total_flags,
+ u64 multicast)
{
struct iwl_priv *priv = hw->priv;
__le32 filter_or = 0, filter_nand = 0;
changed_flags, *total_flags);
CHK(FIF_OTHER_BSS | FIF_PROMISC_IN_BSS, RXON_FILTER_PROMISC_MSK);
- CHK(FIF_CONTROL, RXON_FILTER_CTL2HOST_MSK);
+ /* Setting _just_ RXON_FILTER_CTL2HOST_MSK causes FH errors */
+ CHK(FIF_CONTROL, RXON_FILTER_CTL2HOST_MSK | RXON_FILTER_PROMISC_MSK);
CHK(FIF_BCN_PRBRESP_PROMISC, RXON_FILTER_BCON_AWARE_MSK);
#undef CHK
FIF_BCN_PRBRESP_PROMISC | FIF_CONTROL;
}
-void iwlagn_mac_flush(struct ieee80211_hw *hw, bool drop)
+static void iwlagn_mac_flush(struct ieee80211_hw *hw, bool drop)
{
struct iwl_priv *priv = hw->priv;
IWL_DEBUG_MAC80211(priv, "leave\n");
}
+static void iwlagn_disable_roc(struct iwl_priv *priv)
+{
+ struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_PAN];
+ struct ieee80211_channel *chan = ACCESS_ONCE(priv->hw->conf.channel);
+
+ lockdep_assert_held(&priv->mutex);
+
+ if (!ctx->is_active)
+ return;
+
+ ctx->staging.dev_type = RXON_DEV_TYPE_2STA;
+ ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
+ iwl_set_rxon_channel(priv, chan, ctx);
+ iwl_set_flags_for_band(priv, ctx, chan->band, NULL);
+
+ priv->_agn.hw_roc_channel = NULL;
+
+ iwlcore_commit_rxon(priv, ctx);
+
+ ctx->is_active = false;
+}
+
+static void iwlagn_bg_roc_done(struct work_struct *work)
+{
+ struct iwl_priv *priv = container_of(work, struct iwl_priv,
+ _agn.hw_roc_work.work);
+
+ mutex_lock(&priv->mutex);
+ ieee80211_remain_on_channel_expired(priv->hw);
+ iwlagn_disable_roc(priv);
+ mutex_unlock(&priv->mutex);
+}
+
+static int iwl_mac_remain_on_channel(struct ieee80211_hw *hw,
+ struct ieee80211_channel *channel,
+ enum nl80211_channel_type channel_type,
+ int duration)
+{
+ struct iwl_priv *priv = hw->priv;
+ int err = 0;
+
+ if (!(priv->valid_contexts & BIT(IWL_RXON_CTX_PAN)))
+ return -EOPNOTSUPP;
+
+ if (!(priv->contexts[IWL_RXON_CTX_PAN].interface_modes &
+ BIT(NL80211_IFTYPE_P2P_CLIENT)))
+ return -EOPNOTSUPP;
+
+ mutex_lock(&priv->mutex);
+
+ if (priv->contexts[IWL_RXON_CTX_PAN].is_active ||
+ test_bit(STATUS_SCAN_HW, &priv->status)) {
+ err = -EBUSY;
+ goto out;
+ }
+
+ priv->contexts[IWL_RXON_CTX_PAN].is_active = true;
+ priv->_agn.hw_roc_channel = channel;
+ priv->_agn.hw_roc_chantype = channel_type;
+ priv->_agn.hw_roc_duration = DIV_ROUND_UP(duration * 1000, 1024);
+ iwlcore_commit_rxon(priv, &priv->contexts[IWL_RXON_CTX_PAN]);
+ queue_delayed_work(priv->workqueue, &priv->_agn.hw_roc_work,
+ msecs_to_jiffies(duration + 20));
+
+ msleep(IWL_MIN_SLOT_TIME); /* TU is almost ms */
+ ieee80211_ready_on_channel(priv->hw);
+
+ out:
+ mutex_unlock(&priv->mutex);
+
+ return err;
+}
+
+static int iwl_mac_cancel_remain_on_channel(struct ieee80211_hw *hw)
+{
+ struct iwl_priv *priv = hw->priv;
+
+ if (!(priv->valid_contexts & BIT(IWL_RXON_CTX_PAN)))
+ return -EOPNOTSUPP;
+
+ cancel_delayed_work_sync(&priv->_agn.hw_roc_work);
+
+ mutex_lock(&priv->mutex);
+ iwlagn_disable_roc(priv);
+ mutex_unlock(&priv->mutex);
+
+ return 0;
+}
+
/*****************************************************************************
*
* driver setup and teardown
INIT_WORK(&priv->tx_flush, iwl_bg_tx_flush);
INIT_WORK(&priv->bt_full_concurrency, iwl_bg_bt_full_concurrency);
INIT_WORK(&priv->bt_runtime_config, iwl_bg_bt_runtime_config);
- INIT_DELAYED_WORK(&priv->init_alive_start, iwl_bg_init_alive_start);
- INIT_DELAYED_WORK(&priv->alive_start, iwl_bg_alive_start);
+ INIT_DELAYED_WORK(&priv->_agn.hw_roc_work, iwlagn_bg_roc_done);
iwl_setup_scan_deferred_work(priv);
priv->ucode_trace.data = (unsigned long)priv;
priv->ucode_trace.function = iwl_bg_ucode_trace;
- if (priv->cfg->ops->lib->recover_from_tx_stall) {
- init_timer(&priv->monitor_recover);
- priv->monitor_recover.data = (unsigned long)priv;
- priv->monitor_recover.function =
- priv->cfg->ops->lib->recover_from_tx_stall;
- }
+ init_timer(&priv->watchdog);
+ priv->watchdog.data = (unsigned long)priv;
+ priv->watchdog.function = iwl_bg_watchdog;
- if (!priv->cfg->base_params->use_isr_legacy)
- tasklet_init(&priv->irq_tasklet, (void (*)(unsigned long))
- iwl_irq_tasklet, (unsigned long)priv);
- else
- tasklet_init(&priv->irq_tasklet, (void (*)(unsigned long))
- iwl_irq_tasklet_legacy, (unsigned long)priv);
+ tasklet_init(&priv->irq_tasklet, (void (*)(unsigned long))
+ iwl_irq_tasklet, (unsigned long)priv);
}
static void iwl_cancel_deferred_work(struct iwl_priv *priv)
if (priv->cfg->ops->lib->cancel_deferred_work)
priv->cfg->ops->lib->cancel_deferred_work(priv);
- cancel_delayed_work_sync(&priv->init_alive_start);
- cancel_delayed_work(&priv->alive_start);
cancel_work_sync(&priv->run_time_calib_work);
cancel_work_sync(&priv->beacon_update);
spin_lock_init(&priv->sta_lock);
spin_lock_init(&priv->hcmd_lock);
- INIT_LIST_HEAD(&priv->free_frames);
-
mutex_init(&priv->mutex);
- mutex_init(&priv->sync_cmd_mutex);
priv->ieee_channels = NULL;
priv->ieee_rates = NULL;
priv->force_reset[IWL_FW_RESET].reset_duration =
IWL_DELAY_NEXT_FORCE_FW_RELOAD;
+ priv->rx_statistics_jiffies = jiffies;
+
/* Choose which receivers/antennas to use */
if (priv->cfg->ops->hcmd->set_rxon_chain)
priv->cfg->ops->hcmd->set_rxon_chain(priv,
priv->dynamic_frag_thresh = BT_FRAG_THRESHOLD_DEF;
}
- /* Set the tx_power_user_lmt to the lowest power level
- * this value will get overwritten by channel max power avg
- * from eeprom */
- priv->tx_power_user_lmt = IWLAGN_TX_POWER_TARGET_POWER_MIN;
- priv->tx_power_next = IWLAGN_TX_POWER_TARGET_POWER_MIN;
-
ret = iwl_init_channel_map(priv);
if (ret) {
IWL_ERR(priv, "initializing regulatory failed: %d\n", ret);
kfree(priv->scan_cmd);
}
-#ifdef CONFIG_IWL5000
struct ieee80211_ops iwlagn_hw_ops = {
.tx = iwlagn_mac_tx,
.start = iwlagn_mac_start,
.channel_switch = iwlagn_mac_channel_switch,
.flush = iwlagn_mac_flush,
.tx_last_beacon = iwl_mac_tx_last_beacon,
+ .remain_on_channel = iwl_mac_remain_on_channel,
+ .cancel_remain_on_channel = iwl_mac_cancel_remain_on_channel,
+ .offchannel_tx = iwl_mac_offchannel_tx,
+ .offchannel_tx_cancel_wait = iwl_mac_offchannel_tx_cancel_wait,
+ CFG80211_TESTMODE_CMD(iwl_testmode_cmd)
};
-#endif
-static void iwl_hw_detect(struct iwl_priv *priv)
+static u32 iwl_hw_detect(struct iwl_priv *priv)
{
- priv->hw_rev = _iwl_read32(priv, CSR_HW_REV);
- priv->hw_wa_rev = _iwl_read32(priv, CSR_HW_REV_WA_REG);
- pci_read_config_byte(priv->pci_dev, PCI_REVISION_ID, &priv->rev_id);
- IWL_DEBUG_INFO(priv, "HW Revision ID = 0x%X\n", priv->rev_id);
+ u8 rev_id;
+
+ pci_read_config_byte(priv->pci_dev, PCI_REVISION_ID, &rev_id);
+ IWL_DEBUG_INFO(priv, "HW Revision ID = 0x%X\n", rev_id);
+ return iwl_read32(priv, CSR_HW_REV);
}
static int iwl_set_hw_params(struct iwl_priv *priv)
{
priv->hw_params.max_rxq_size = RX_QUEUE_SIZE;
priv->hw_params.max_rxq_log = RX_QUEUE_SIZE_LOG;
- if (priv->cfg->mod_params->amsdu_size_8K)
+ if (iwlagn_mod_params.amsdu_size_8K)
priv->hw_params.rx_page_order = get_order(IWL_RX_BUF_SIZE_8K);
else
priv->hw_params.rx_page_order = get_order(IWL_RX_BUF_SIZE_4K);
priv->hw_params.max_beacon_itrvl = IWL_MAX_UCODE_BEACON_INTERVAL;
- if (priv->cfg->mod_params->disable_11n)
+ if (iwlagn_mod_params.disable_11n)
priv->cfg->sku &= ~IWL_SKU_N;
/* Device-specific setup */
7, 6, 5, 4,
};
+/* This function both allocates and initializes hw and priv. */
+static struct ieee80211_hw *iwl_alloc_all(struct iwl_cfg *cfg)
+{
+ struct iwl_priv *priv;
+ /* mac80211 allocates memory for this device instance, including
+ * space for this driver's private structure */
+ struct ieee80211_hw *hw;
+
+ hw = ieee80211_alloc_hw(sizeof(struct iwl_priv), &iwlagn_hw_ops);
+ if (hw == NULL) {
+ pr_err("%s: Can not allocate network device\n",
+ cfg->name);
+ goto out;
+ }
+
+ priv = hw->priv;
+ priv->hw = hw;
+
+out:
+ return hw;
+}
+
static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
int err = 0, i;
struct iwl_cfg *cfg = (struct iwl_cfg *)(ent->driver_data);
unsigned long flags;
u16 pci_cmd, num_mac;
+ u32 hw_rev;
/************************
* 1. Allocating HW data
************************/
- /* Disabling hardware scan means that mac80211 will perform scans
- * "the hard way", rather than using device's scan. */
- if (cfg->mod_params->disable_hw_scan) {
- dev_printk(KERN_DEBUG, &(pdev->dev),
- "sw scan support is deprecated\n");
-#ifdef CONFIG_IWL5000
- iwlagn_hw_ops.hw_scan = NULL;
-#endif
-#ifdef CONFIG_IWL4965
- iwl4965_hw_ops.hw_scan = NULL;
-#endif
- }
-
hw = iwl_alloc_all(cfg);
if (!hw) {
err = -ENOMEM;
priv = hw->priv;
/* At this point both hw and priv are allocated. */
+ priv->ucode_type = UCODE_SUBTYPE_NONE_LOADED;
+
/*
* The default context is always valid,
* more may be discovered when firmware
priv->contexts[IWL_RXON_CTX_PAN].mcast_queue = IWL_IPAN_MCAST_QUEUE;
priv->contexts[IWL_RXON_CTX_PAN].interface_modes =
BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_AP);
+#ifdef CONFIG_IWL_P2P
+ priv->contexts[IWL_RXON_CTX_PAN].interface_modes |=
+ BIT(NL80211_IFTYPE_P2P_CLIENT) | BIT(NL80211_IFTYPE_P2P_GO);
+#endif
priv->contexts[IWL_RXON_CTX_PAN].ap_devtype = RXON_DEV_TYPE_CP;
priv->contexts[IWL_RXON_CTX_PAN].station_devtype = RXON_DEV_TYPE_2STA;
priv->contexts[IWL_RXON_CTX_PAN].unused_devtype = RXON_DEV_TYPE_P2P;
(iwlagn_ant_coupling > IWL_BT_ANTENNA_COUPLING_THRESHOLD) ?
true : false;
- /* enable/disable bt channel announcement */
+ /* enable/disable bt channel inhibition */
priv->bt_ch_announce = iwlagn_bt_ch_announce;
+ IWL_DEBUG_INFO(priv, "BT channel inhibition is %s\n",
+ (priv->bt_ch_announce) ? "On" : "Off");
if (iwl_alloc_traffic_mem(priv))
IWL_ERR(priv, "Not enough memory to generate traffic log\n");
*/
iwl_write32(priv, CSR_RESET, CSR_RESET_REG_FLAG_NEVO_RESET);
- iwl_hw_detect(priv);
+ hw_rev = iwl_hw_detect(priv);
IWL_INFO(priv, "Detected %s, REV=0x%X\n",
- priv->cfg->name, priv->hw_rev);
+ priv->cfg->name, hw_rev);
/* We disable the RETRY_TIMEOUT register (0x41) to keep
* PCI Tx retries from interfering with C3 CPU state */
pci_write_config_byte(pdev, PCI_CFG_RETRY_TIMEOUT, 0x00);
- iwl_prepare_card_hw(priv);
- if (!priv->hw_ready) {
+ if (iwl_prepare_card_hw(priv)) {
IWL_WARN(priv, "Failed, HW not ready\n");
goto out_iounmap;
}
* 4. Read EEPROM
*****************/
/* Read the EEPROM */
- err = iwl_eeprom_init(priv);
+ err = iwl_eeprom_init(priv, hw_rev);
if (err) {
IWL_ERR(priv, "Unable to init EEPROM\n");
goto out_iounmap;
pci_enable_msi(priv->pci_dev);
- if (priv->cfg->ops->lib->isr_ops.alloc)
- priv->cfg->ops->lib->isr_ops.alloc(priv);
+ iwl_alloc_isr_ict(priv);
- err = request_irq(priv->pci_dev->irq, priv->cfg->ops->lib->isr_ops.isr,
+ err = request_irq(priv->pci_dev->irq, iwl_isr_ict,
IRQF_SHARED, DRV_NAME, priv);
if (err) {
IWL_ERR(priv, "Error allocating IRQ %d\n", priv->pci_dev->irq);
iwl_setup_deferred_work(priv);
iwl_setup_rx_handlers(priv);
+ iwl_testmode_init(priv);
/*********************************************
* 8. Enable interrupts and read RFKILL state
*********************************************/
- /* enable interrupts if needed: hw bug w/a */
+ /* enable rfkill interrupt: hw bug w/a */
pci_read_config_word(priv->pci_dev, PCI_COMMAND, &pci_cmd);
if (pci_cmd & PCI_COMMAND_INTX_DISABLE) {
pci_cmd &= ~PCI_COMMAND_INTX_DISABLE;
pci_write_config_word(priv->pci_dev, PCI_COMMAND, pci_cmd);
}
- iwl_enable_interrupts(priv);
+ iwl_enable_rfkill_int(priv);
/* If platform's RF_KILL switch is NOT set to KILL */
if (iwl_read32(priv, CSR_GP_CNTRL) & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW)
destroy_workqueue(priv->workqueue);
priv->workqueue = NULL;
free_irq(priv->pci_dev->irq, priv);
- if (priv->cfg->ops->lib->isr_ops.free)
- priv->cfg->ops->lib->isr_ops.free(priv);
+ iwl_free_isr_ict(priv);
out_disable_msi:
pci_disable_msi(priv->pci_dev);
iwl_uninit_drv(priv);
* we need to set STATUS_EXIT_PENDING bit.
*/
set_bit(STATUS_EXIT_PENDING, &priv->status);
+
+ iwl_leds_exit(priv);
+
if (priv->mac80211_registered) {
ieee80211_unregister_hw(priv->hw);
priv->mac80211_registered = 0;
- } else {
- iwl_down(priv);
}
- /*
- * Make sure device is reset to low power before unloading driver.
- * This may be redundant with iwl_down(), but there are paths to
- * run iwl_down() without calling apm_ops.stop(), and there are
- * paths to avoid running iwl_down() at all before leaving driver.
- * This (inexpensive) call *makes sure* device is reset.
- */
+ /* Reset to low power before unloading driver. */
iwl_apm_stop(priv);
iwl_tt_exit(priv);
iwl_uninit_drv(priv);
- if (priv->cfg->ops->lib->isr_ops.free)
- priv->cfg->ops->lib->isr_ops.free(priv);
+ iwl_free_isr_ict(priv);
dev_kfree_skb(priv->beacon_skb);
/* Hardware specific file defines the PCI IDs table for that hardware module */
static DEFINE_PCI_DEVICE_TABLE(iwl_hw_card_ids) = {
-#ifdef CONFIG_IWL4965
- {IWL_PCI_DEVICE(0x4229, PCI_ANY_ID, iwl4965_agn_cfg)},
- {IWL_PCI_DEVICE(0x4230, PCI_ANY_ID, iwl4965_agn_cfg)},
-#endif /* CONFIG_IWL4965 */
-#ifdef CONFIG_IWL5000
-/* 5100 Series WiFi */
{IWL_PCI_DEVICE(0x4232, 0x1201, iwl5100_agn_cfg)}, /* Mini Card */
{IWL_PCI_DEVICE(0x4232, 0x1301, iwl5100_agn_cfg)}, /* Half Mini Card */
{IWL_PCI_DEVICE(0x4232, 0x1204, iwl5100_agn_cfg)}, /* Mini Card */
{IWL_PCI_DEVICE(0x4239, 0x1311, iwl6000i_2agn_cfg)},
{IWL_PCI_DEVICE(0x4239, 0x1316, iwl6000i_2abg_cfg)},
-/* 6x00 Series Gen2a */
+/* 6x05 Series */
{IWL_PCI_DEVICE(0x0082, 0x1301, iwl6005_2agn_cfg)},
{IWL_PCI_DEVICE(0x0082, 0x1306, iwl6005_2abg_cfg)},
{IWL_PCI_DEVICE(0x0082, 0x1307, iwl6005_2bg_cfg)},
{IWL_PCI_DEVICE(0x0085, 0x1311, iwl6005_2agn_cfg)},
{IWL_PCI_DEVICE(0x0085, 0x1316, iwl6005_2abg_cfg)},
-/* 6x00 Series Gen2b */
+/* 6x30 Series */
{IWL_PCI_DEVICE(0x008A, 0x5305, iwl1030_bgn_cfg)},
{IWL_PCI_DEVICE(0x008A, 0x5307, iwl1030_bg_cfg)},
{IWL_PCI_DEVICE(0x008A, 0x5325, iwl1030_bgn_cfg)},
{IWL_PCI_DEVICE(0x0089, 0x1311, iwl6050_2agn_cfg)},
{IWL_PCI_DEVICE(0x0089, 0x1316, iwl6050_2abg_cfg)},
-/* 6x50 WiFi/WiMax Series Gen2 */
+/* 6150 WiFi/WiMax Series */
{IWL_PCI_DEVICE(0x0885, 0x1305, iwl6150_bgn_cfg)},
{IWL_PCI_DEVICE(0x0885, 0x1306, iwl6150_bgn_cfg)},
{IWL_PCI_DEVICE(0x0885, 0x1325, iwl6150_bgn_cfg)},
{IWL_PCI_DEVICE(0x0896, 0x5025, iwl130_bgn_cfg)},
{IWL_PCI_DEVICE(0x0896, 0x5027, iwl130_bg_cfg)},
-#endif /* CONFIG_IWL5000 */
+/* 2x00 Series */
+ {IWL_PCI_DEVICE(0x0890, 0x4022, iwl2000_2bgn_cfg)},
+ {IWL_PCI_DEVICE(0x0891, 0x4222, iwl2000_2bgn_cfg)},
+ {IWL_PCI_DEVICE(0x0890, 0x4422, iwl2000_2bgn_cfg)},
+ {IWL_PCI_DEVICE(0x0890, 0x4026, iwl2000_2bg_cfg)},
+ {IWL_PCI_DEVICE(0x0891, 0x4226, iwl2000_2bg_cfg)},
+ {IWL_PCI_DEVICE(0x0890, 0x4426, iwl2000_2bg_cfg)},
+
+/* 2x30 Series */
+ {IWL_PCI_DEVICE(0x0887, 0x4062, iwl2030_2bgn_cfg)},
+ {IWL_PCI_DEVICE(0x0888, 0x4262, iwl2030_2bgn_cfg)},
+ {IWL_PCI_DEVICE(0x0887, 0x4462, iwl2030_2bgn_cfg)},
+ {IWL_PCI_DEVICE(0x0887, 0x4066, iwl2030_2bg_cfg)},
+ {IWL_PCI_DEVICE(0x0888, 0x4266, iwl2030_2bg_cfg)},
+ {IWL_PCI_DEVICE(0x0887, 0x4466, iwl2030_2bg_cfg)},
+
+/* 6x35 Series */
+ {IWL_PCI_DEVICE(0x088E, 0x4060, iwl6035_2agn_cfg)},
+ {IWL_PCI_DEVICE(0x088F, 0x4260, iwl6035_2agn_cfg)},
+ {IWL_PCI_DEVICE(0x088E, 0x4460, iwl6035_2agn_cfg)},
+ {IWL_PCI_DEVICE(0x088E, 0x4064, iwl6035_2abg_cfg)},
+ {IWL_PCI_DEVICE(0x088F, 0x4264, iwl6035_2abg_cfg)},
+ {IWL_PCI_DEVICE(0x088E, 0x4464, iwl6035_2abg_cfg)},
+ {IWL_PCI_DEVICE(0x088E, 0x4066, iwl6035_2bg_cfg)},
+ {IWL_PCI_DEVICE(0x088F, 0x4266, iwl6035_2bg_cfg)},
+ {IWL_PCI_DEVICE(0x088E, 0x4466, iwl6035_2bg_cfg)},
+
+/* 105 Series */
+ {IWL_PCI_DEVICE(0x0894, 0x0022, iwl105_bgn_cfg)},
+ {IWL_PCI_DEVICE(0x0895, 0x0222, iwl105_bgn_cfg)},
+ {IWL_PCI_DEVICE(0x0894, 0x0422, iwl105_bgn_cfg)},
+ {IWL_PCI_DEVICE(0x0894, 0x0026, iwl105_bg_cfg)},
+ {IWL_PCI_DEVICE(0x0895, 0x0226, iwl105_bg_cfg)},
+ {IWL_PCI_DEVICE(0x0894, 0x0426, iwl105_bg_cfg)},
+
+/* 135 Series */
+ {IWL_PCI_DEVICE(0x0892, 0x0062, iwl135_bgn_cfg)},
+ {IWL_PCI_DEVICE(0x0893, 0x0262, iwl135_bgn_cfg)},
+ {IWL_PCI_DEVICE(0x0892, 0x0462, iwl135_bgn_cfg)},
+ {IWL_PCI_DEVICE(0x0892, 0x0066, iwl135_bg_cfg)},
+ {IWL_PCI_DEVICE(0x0893, 0x0266, iwl135_bg_cfg)},
+ {IWL_PCI_DEVICE(0x0892, 0x0466, iwl135_bg_cfg)},
{0}
};
module_init(iwl_init);
#ifdef CONFIG_IWLWIFI_DEBUG
-module_param_named(debug50, iwl_debug_level, uint, S_IRUGO);
-MODULE_PARM_DESC(debug50, "50XX debug output mask (deprecated)");
module_param_named(debug, iwl_debug_level, uint, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(debug, "debug output mask");
#endif
-module_param_named(swcrypto50, iwlagn_mod_params.sw_crypto, bool, S_IRUGO);
-MODULE_PARM_DESC(swcrypto50,
- "using crypto in software (default 0 [hardware]) (deprecated)");
module_param_named(swcrypto, iwlagn_mod_params.sw_crypto, int, S_IRUGO);
MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])");
-module_param_named(queues_num50,
- iwlagn_mod_params.num_of_queues, int, S_IRUGO);
-MODULE_PARM_DESC(queues_num50,
- "number of hw queues in 50xx series (deprecated)");
module_param_named(queues_num, iwlagn_mod_params.num_of_queues, int, S_IRUGO);
MODULE_PARM_DESC(queues_num, "number of hw queues.");
-module_param_named(11n_disable50, iwlagn_mod_params.disable_11n, int, S_IRUGO);
-MODULE_PARM_DESC(11n_disable50, "disable 50XX 11n functionality (deprecated)");
module_param_named(11n_disable, iwlagn_mod_params.disable_11n, int, S_IRUGO);
MODULE_PARM_DESC(11n_disable, "disable 11n functionality");
-module_param_named(amsdu_size_8K50, iwlagn_mod_params.amsdu_size_8K,
- int, S_IRUGO);
-MODULE_PARM_DESC(amsdu_size_8K50,
- "enable 8K amsdu size in 50XX series (deprecated)");
module_param_named(amsdu_size_8K, iwlagn_mod_params.amsdu_size_8K,
int, S_IRUGO);
MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size");
-module_param_named(fw_restart50, iwlagn_mod_params.restart_fw, int, S_IRUGO);
-MODULE_PARM_DESC(fw_restart50,
- "restart firmware in case of error (deprecated)");
module_param_named(fw_restart, iwlagn_mod_params.restart_fw, int, S_IRUGO);
MODULE_PARM_DESC(fw_restart, "restart firmware in case of error");
-module_param_named(
- disable_hw_scan, iwlagn_mod_params.disable_hw_scan, int, S_IRUGO);
-MODULE_PARM_DESC(disable_hw_scan,
- "disable hardware scanning (default 0) (deprecated)");
module_param_named(ucode_alternative, iwlagn_wanted_ucode_alternative, int,
S_IRUGO);
MODULE_PARM_DESC(antenna_coupling,
"specify antenna coupling in dB (defualt: 0 dB)");
-module_param_named(bt_ch_announce, iwlagn_bt_ch_announce, bool, S_IRUGO);
-MODULE_PARM_DESC(bt_ch_announce,
- "Enable BT channel announcement mode (default: enable)");
+module_param_named(bt_ch_inhibition, iwlagn_bt_ch_announce, bool, S_IRUGO);
+MODULE_PARM_DESC(bt_ch_inhibition,
+ "Disable BT channel inhibition (default: enable)");
+
+module_param_named(plcp_check, iwlagn_mod_params.plcp_check, bool, S_IRUGO);
+MODULE_PARM_DESC(plcp_check, "Check plcp health (default: 1 [enabled])");
+
+module_param_named(ack_check, iwlagn_mod_params.ack_check, bool, S_IRUGO);
+MODULE_PARM_DESC(ack_check, "Check ack health (default: 0 [disabled])");
Code Review / linux-2.6.git / blobdiff