/******************************************************************************
*
- * Copyright(c) 2003 - 2009 Intel Corporation. All rights reserved.
+ * Copyright(c) 2003 - 2010 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.
#include <linux/pci.h>
#include <linux/dma-mapping.h>
#include <linux/delay.h>
+#include <linux/sched.h>
#include <linux/skbuff.h>
#include <linux/netdevice.h>
#include <linux/wireless.h>
#define VD
#endif
-#ifdef CONFIG_IWLWIFI_SPECTRUM_MEASUREMENT
-#define VS "s"
-#else
-#define VS
-#endif
-
-#define DRV_VERSION IWLWIFI_VERSION VD VS
+#define DRV_VERSION IWLWIFI_VERSION VD
MODULE_DESCRIPTION(DRV_DESCRIPTION);
priv->start_calib = 0;
/* Add the broadcast address so we can send broadcast frames */
- iwl_add_bcast_station(priv);
+ priv->cfg->ops->lib->add_bcast_station(priv);
+
/* If we have set the ASSOC_MSK and we are in BSS mode then
* add the IWL_AP_ID to the station rate table */
list_add(&frame->list, &priv->free_frames);
}
-static unsigned int iwl_fill_beacon_frame(struct iwl_priv *priv,
+static u32 iwl_fill_beacon_frame(struct iwl_priv *priv,
struct ieee80211_hdr *hdr,
int left)
{
return priv->ibss_beacon->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,
+ u8 *beacon, u32 frame_size)
+{
+ u16 tim_idx;
+ struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)beacon;
+
+ /*
+ * The index is relative to frame start but we start looking at the
+ * variable-length part of the beacon.
+ */
+ tim_idx = mgmt->u.beacon.variable - beacon;
+
+ /* Parse variable-length elements of beacon to find WLAN_EID_TIM */
+ while ((tim_idx < (frame_size - 2)) &&
+ (beacon[tim_idx] != WLAN_EID_TIM))
+ tim_idx += beacon[tim_idx+1] + 2;
+
+ /* If TIM field was found, set variables */
+ if ((tim_idx < (frame_size - 1)) && (beacon[tim_idx] == WLAN_EID_TIM)) {
+ tx_beacon_cmd->tim_idx = cpu_to_le16(tim_idx);
+ tx_beacon_cmd->tim_size = beacon[tim_idx+1];
+ } else
+ 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, u8 rate)
+ struct iwl_frame *frame)
{
struct iwl_tx_beacon_cmd *tx_beacon_cmd;
- unsigned int frame_size;
+ u32 frame_size;
+ u32 rate_flags;
+ u32 rate;
+ /*
+ * We have to set up the TX command, the TX Beacon command, and the
+ * beacon contents.
+ */
+ /* Initialize memory */
tx_beacon_cmd = &frame->u.beacon;
memset(tx_beacon_cmd, 0, sizeof(*tx_beacon_cmd));
- tx_beacon_cmd->tx.sta_id = priv->hw_params.bcast_sta_id;
- tx_beacon_cmd->tx.stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE;
-
+ /* 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;
- BUG_ON(frame_size > MAX_MPDU_SIZE);
+ /* Set up TX command fields */
tx_beacon_cmd->tx.len = cpu_to_le16((u16)frame_size);
+ tx_beacon_cmd->tx.sta_id = priv->hw_params.bcast_sta_id;
+ tx_beacon_cmd->tx.stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE;
+ tx_beacon_cmd->tx.tx_flags = TX_CMD_FLG_SEQ_CTL_MSK |
+ TX_CMD_FLG_TSF_MSK | TX_CMD_FLG_STA_RATE_MSK;
- if ((rate == IWL_RATE_1M_PLCP) || (rate >= IWL_RATE_2M_PLCP))
- tx_beacon_cmd->tx.rate_n_flags =
- iwl_hw_set_rate_n_flags(rate, RATE_MCS_CCK_MSK);
- else
- tx_beacon_cmd->tx.rate_n_flags =
- iwl_hw_set_rate_n_flags(rate, 0);
+ /* Set up TX beacon command fields */
+ iwl_set_beacon_tim(priv, tx_beacon_cmd, (u8 *)tx_beacon_cmd->frame,
+ frame_size);
- tx_beacon_cmd->tx.tx_flags = TX_CMD_FLG_SEQ_CTL_MSK |
- TX_CMD_FLG_TSF_MSK |
- TX_CMD_FLG_STA_RATE_MSK;
+ /* Set up packet rate and flags */
+ rate = iwl_rate_get_lowest_plcp(priv);
+ priv->mgmt_tx_ant = iwl_toggle_tx_ant(priv, priv->mgmt_tx_ant);
+ rate_flags = iwl_ant_idx_to_flags(priv->mgmt_tx_ant);
+ if ((rate >= IWL_FIRST_CCK_RATE) && (rate <= IWL_LAST_CCK_RATE))
+ rate_flags |= RATE_MCS_CCK_MSK;
+ tx_beacon_cmd->tx.rate_n_flags = iwl_hw_set_rate_n_flags(rate,
+ rate_flags);
return sizeof(*tx_beacon_cmd) + frame_size;
}
struct iwl_frame *frame;
unsigned int frame_size;
int rc;
- u8 rate;
frame = iwl_get_free_frame(priv);
-
if (!frame) {
IWL_ERR(priv, "Could not obtain free frame buffer for beacon "
"command.\n");
return -ENOMEM;
}
- rate = iwl_rate_get_lowest_plcp(priv);
-
- frame_size = iwl_hw_get_beacon_cmd(priv, frame, rate);
+ 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;
+ }
rc = iwl_send_cmd_pdu(priv, REPLY_TX_BEACON, frame_size,
&frame->u.cmd[0]);
if (!iwl_is_ready_rf(priv))
return;
- iwl_send_statistics_request(priv, CMD_ASYNC);
+ iwl_send_statistics_request(priv, CMD_ASYNC, false);
+}
+
+
+static void iwl_print_cont_event_trace(struct iwl_priv *priv, u32 base,
+ u32 start_idx, u32 num_events,
+ u32 mode)
+{
+ u32 i;
+ u32 ptr; /* SRAM byte address of log data */
+ u32 ev, time, data; /* event log data */
+ unsigned long reg_flags;
+
+ if (mode == 0)
+ ptr = base + (4 * sizeof(u32)) + (start_idx * 2 * sizeof(u32));
+ else
+ ptr = base + (4 * sizeof(u32)) + (start_idx * 3 * sizeof(u32));
+
+ /* Make sure device is powered up for SRAM reads */
+ spin_lock_irqsave(&priv->reg_lock, reg_flags);
+ if (iwl_grab_nic_access(priv)) {
+ spin_unlock_irqrestore(&priv->reg_lock, reg_flags);
+ return;
+ }
+
+ /* Set starting address; reads will auto-increment */
+ _iwl_write_direct32(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);
+ if (mode == 0) {
+ trace_iwlwifi_dev_ucode_cont_event(priv,
+ 0, time, ev);
+ } else {
+ data = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT);
+ trace_iwlwifi_dev_ucode_cont_event(priv,
+ time, data, ev);
+ }
+ }
+ /* Allow device to power down */
+ iwl_release_nic_access(priv);
+ spin_unlock_irqrestore(&priv->reg_lock, reg_flags);
+}
+
+static void iwl_continuous_event_trace(struct iwl_priv *priv)
+{
+ u32 capacity; /* event log capacity in # entries */
+ u32 base; /* SRAM byte address of event log header */
+ u32 mode; /* 0 - no timestamp, 1 - timestamp recorded */
+ 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);
+ 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)));
+ mode = iwl_read_targ_mem(priv, base + (1 * sizeof(u32)));
+ next_entry = iwl_read_targ_mem(priv, base + (3 * sizeof(u32)));
+ } else
+ return;
+
+ if (num_wraps == priv->event_log.num_wraps) {
+ iwl_print_cont_event_trace(priv,
+ base, priv->event_log.next_entry,
+ next_entry - priv->event_log.next_entry,
+ mode);
+ priv->event_log.non_wraps_count++;
+ } else {
+ if ((num_wraps - priv->event_log.num_wraps) > 1)
+ priv->event_log.wraps_more_count++;
+ else
+ priv->event_log.wraps_once_count++;
+ trace_iwlwifi_dev_ucode_wrap_event(priv,
+ num_wraps - priv->event_log.num_wraps,
+ next_entry, priv->event_log.next_entry);
+ if (next_entry < priv->event_log.next_entry) {
+ iwl_print_cont_event_trace(priv, base,
+ priv->event_log.next_entry,
+ capacity - priv->event_log.next_entry,
+ mode);
+
+ iwl_print_cont_event_trace(priv, base, 0,
+ next_entry, mode);
+ } else {
+ iwl_print_cont_event_trace(priv, base,
+ next_entry, capacity - next_entry,
+ mode);
+
+ iwl_print_cont_event_trace(priv, base, 0,
+ next_entry, mode);
+ }
+ }
+ priv->event_log.num_wraps = num_wraps;
+ priv->event_log.next_entry = next_entry;
+}
+
+/**
+ * iwl_bg_ucode_trace - Timer callback to log ucode event
+ *
+ * The timer is continually set to execute every
+ * UCODE_TRACE_PERIOD milliseconds after the last timer expired
+ * this function is to perform continuous uCode event logging operation
+ * if enabled
+ */
+static void iwl_bg_ucode_trace(unsigned long data)
+{
+ struct iwl_priv *priv = (struct iwl_priv *)data;
+
+ if (test_bit(STATUS_EXIT_PENDING, &priv->status))
+ return;
+
+ if (priv->event_log.ucode_trace) {
+ iwl_continuous_event_trace(priv);
+ /* Reschedule the timer to occur in UCODE_TRACE_PERIOD */
+ mod_timer(&priv->ucode_trace,
+ jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD));
+ }
}
static void iwl_rx_beacon_notif(struct iwl_priv *priv,
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\n",
+ 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 & SW_CARD_DISABLED) ? "Kill" : "On",
+ (flags & CT_CARD_DISABLED) ?
+ "Reached" : "Not reached");
if (flags & (SW_CARD_DISABLED | HW_CARD_DISABLED |
- RF_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 & RF_CARD_DISABLED)
+ if (flags & CT_CARD_DISABLED)
iwl_tt_enter_ct_kill(priv);
}
- if (!(flags & RF_CARD_DISABLED))
+ if (!(flags & CT_CARD_DISABLED))
iwl_tt_exit_ct_kill(priv);
if (flags & HW_CARD_DISABLED)
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;
* 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_rx_statistics;
+ priv->rx_handlers[REPLY_STATISTICS_CMD] = iwl_reply_statistics;
priv->rx_handlers[STATISTICS_NOTIFICATION] = iwl_rx_statistics;
- iwl_setup_spectrum_handlers(priv);
iwl_setup_rx_scan_handlers(priv);
/* status change handler */
if (inta & (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX)) {
iwl_rx_handle(priv);
priv->isr_stats.rx++;
- iwl_leds_background(priv);
handled |= (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX);
}
* 3- update RX shared data to indicate last write index.
* 4- send interrupt.
* This could lead to RX race, driver could receive RX interrupt
- * but the shared data changes does not reflect this.
- * this could lead to RX race, RX periodic will solve this race
+ * but the shared data changes does not reflect this;
+ * periodic interrupt will detect any dangling Rx activity.
*/
- iwl_write32(priv, CSR_INT_PERIODIC_REG,
+
+ /* Disable periodic interrupt; we use it as just a one-shot. */
+ iwl_write8(priv, CSR_INT_PERIODIC_REG,
CSR_INT_PERIODIC_DIS);
iwl_rx_handle(priv);
- /* Only set RX periodic if real RX is received. */
+
+ /*
+ * Enable periodic interrupt in 8 msec only if we received
+ * real RX interrupt (instead of just periodic int), to catch
+ * any dangling Rx interrupt. If it was just the periodic
+ * interrupt, there was no dangling Rx activity, and no need
+ * to extend the periodic interrupt; one-shot is enough.
+ */
if (inta & (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX))
- iwl_write32(priv, CSR_INT_PERIODIC_REG,
+ iwl_write8(priv, CSR_INT_PERIODIC_REG,
CSR_INT_PERIODIC_ENA);
priv->isr_stats.rx++;
- iwl_leds_background(priv);
}
/* This "Tx" DMA channel is used only for loading uCode */
return ret;
}
-#ifdef CONFIG_IWLWIFI_DEBUG
static const char *desc_lookup_text[] = {
"OK",
"FAIL",
"DEBUG_1",
"DEBUG_2",
"DEBUG_3",
- "UNKNOWN"
+ "ADVANCED SYSASSERT"
};
static const char *desc_lookup(int i)
base = le32_to_cpu(priv->card_alive.error_event_table_ptr);
if (!priv->cfg->ops->lib->is_valid_rtc_data_addr(base)) {
- IWL_ERR(priv, "Not valid error log pointer 0x%08X\n", base);
+ IWL_ERR(priv,
+ "Not valid error log pointer 0x%08X for %s uCode\n",
+ base, (priv->ucode_type == UCODE_INIT) ? "Init" : "RT");
return;
}
* iwl_print_event_log - Dump error event log to syslog
*
*/
-static void iwl_print_event_log(struct iwl_priv *priv, u32 start_idx,
- u32 num_events, u32 mode)
+static int iwl_print_event_log(struct iwl_priv *priv, u32 start_idx,
+ u32 num_events, u32 mode,
+ int pos, char **buf, size_t bufsz)
{
u32 i;
u32 base; /* SRAM byte address of event log header */
unsigned long reg_flags;
if (num_events == 0)
- return;
+ return pos;
if (priv->ucode_type == UCODE_INIT)
base = le32_to_cpu(priv->card_alive_init.log_event_table_ptr);
else
time = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT);
if (mode == 0) {
/* data, ev */
- trace_iwlwifi_dev_ucode_event(priv, 0, time, ev);
- IWL_ERR(priv, "EVT_LOG:0x%08x:%04u\n", time, ev);
+ if (bufsz) {
+ pos += scnprintf(*buf + pos, bufsz - pos,
+ "EVT_LOG:0x%08x:%04u\n",
+ time, ev);
+ } else {
+ trace_iwlwifi_dev_ucode_event(priv, 0,
+ time, ev);
+ IWL_ERR(priv, "EVT_LOG:0x%08x:%04u\n",
+ time, ev);
+ }
} else {
data = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT);
- IWL_ERR(priv, "EVT_LOGT:%010u:0x%08x:%04u\n",
+ if (bufsz) {
+ pos += scnprintf(*buf + pos, bufsz - pos,
+ "EVT_LOGT:%010u:0x%08x:%04u\n",
+ time, data, ev);
+ } else {
+ IWL_ERR(priv, "EVT_LOGT:%010u:0x%08x:%04u\n",
time, data, ev);
- trace_iwlwifi_dev_ucode_event(priv, time, data, ev);
+ trace_iwlwifi_dev_ucode_event(priv, time,
+ data, ev);
+ }
}
}
/* Allow device to power down */
iwl_release_nic_access(priv);
spin_unlock_irqrestore(&priv->reg_lock, reg_flags);
+ return pos;
+}
+
+/**
+ * iwl_print_last_event_logs - Dump the newest # of event log to syslog
+ */
+static int iwl_print_last_event_logs(struct iwl_priv *priv, u32 capacity,
+ u32 num_wraps, u32 next_entry,
+ u32 size, u32 mode,
+ int pos, char **buf, size_t bufsz)
+{
+ /*
+ * display the newest DEFAULT_LOG_ENTRIES entries
+ * i.e the entries just before the next ont that uCode would fill.
+ */
+ if (num_wraps) {
+ if (next_entry < size) {
+ pos = iwl_print_event_log(priv,
+ capacity - (size - next_entry),
+ size - next_entry, mode,
+ pos, buf, bufsz);
+ pos = iwl_print_event_log(priv, 0,
+ next_entry, mode,
+ pos, buf, bufsz);
+ } else
+ pos = iwl_print_event_log(priv, next_entry - size,
+ size, mode, pos, buf, bufsz);
+ } else {
+ if (next_entry < size) {
+ pos = iwl_print_event_log(priv, 0, next_entry,
+ mode, pos, buf, bufsz);
+ } else {
+ pos = iwl_print_event_log(priv, next_entry - size,
+ size, mode, pos, buf, bufsz);
+ }
+ }
+ return pos;
}
/* For sanity check only. Actual size is determined by uCode, typ. 512 */
#define MAX_EVENT_LOG_SIZE (512)
-void iwl_dump_nic_event_log(struct iwl_priv *priv)
+#define DEFAULT_DUMP_EVENT_LOG_ENTRIES (20)
+
+int iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log,
+ char **buf, bool display)
{
u32 base; /* SRAM byte address of event log header */
u32 capacity; /* event log capacity in # entries */
u32 num_wraps; /* # times uCode wrapped to top of log */
u32 next_entry; /* index of next entry to be written by uCode */
u32 size; /* # entries that we'll print */
+ 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 = le32_to_cpu(priv->card_alive.log_event_table_ptr);
if (!priv->cfg->ops->lib->is_valid_rtc_data_addr(base)) {
- IWL_ERR(priv, "Invalid event log pointer 0x%08X\n", base);
- return;
+ IWL_ERR(priv,
+ "Invalid event log pointer 0x%08X for %s uCode\n",
+ base, (priv->ucode_type == UCODE_INIT) ? "Init" : "RT");
+ return -EINVAL;
}
/* event log header */
/* bail out if nothing in log */
if (size == 0) {
IWL_ERR(priv, "Start IWL Event Log Dump: nothing in log\n");
- return;
+ return pos;
}
- IWL_ERR(priv, "Start IWL Event Log Dump: display count %d, wraps %d\n",
- size, num_wraps);
-
- /* if uCode has wrapped back to top of log, start at the oldest entry,
- * i.e the next one that uCode would fill. */
- if (num_wraps)
- iwl_print_event_log(priv, next_entry,
- capacity - next_entry, mode);
- /* (then/else) start at top of log */
- iwl_print_event_log(priv, 0, next_entry, mode);
+#ifdef CONFIG_IWLWIFI_DEBUG
+ if (!(iwl_get_debug_level(priv) & IWL_DL_FW_ERRORS) && !full_log)
+ size = (size > DEFAULT_DUMP_EVENT_LOG_ENTRIES)
+ ? DEFAULT_DUMP_EVENT_LOG_ENTRIES : size;
+#else
+ size = (size > DEFAULT_DUMP_EVENT_LOG_ENTRIES)
+ ? DEFAULT_DUMP_EVENT_LOG_ENTRIES : size;
+#endif
+ IWL_ERR(priv, "Start IWL Event Log Dump: display last %u entries\n",
+ size);
-}
+#ifdef CONFIG_IWLWIFI_DEBUG
+ if (display) {
+ if (full_log)
+ bufsz = capacity * 48;
+ else
+ bufsz = size * 48;
+ *buf = kmalloc(bufsz, GFP_KERNEL);
+ if (!*buf)
+ return -ENOMEM;
+ }
+ if ((iwl_get_debug_level(priv) & IWL_DL_FW_ERRORS) || full_log) {
+ /*
+ * if uCode has wrapped back to top of log,
+ * start at the oldest entry,
+ * i.e the next one that uCode would fill.
+ */
+ if (num_wraps)
+ pos = iwl_print_event_log(priv, next_entry,
+ capacity - next_entry, mode,
+ pos, buf, bufsz);
+ /* (then/else) start at top of log */
+ pos = iwl_print_event_log(priv, 0,
+ next_entry, mode, pos, buf, bufsz);
+ } else
+ pos = iwl_print_last_event_logs(priv, capacity, num_wraps,
+ next_entry, size, mode,
+ pos, buf, bufsz);
+#else
+ pos = iwl_print_last_event_logs(priv, capacity, num_wraps,
+ next_entry, size, mode,
+ pos, buf, bufsz);
#endif
+ return pos;
+}
/**
* iwl_alive_start - called after REPLY_ALIVE notification received
return;
}
-static void iwl_bg_up(struct work_struct *data)
-{
- struct iwl_priv *priv = container_of(data, struct iwl_priv, up);
-
- if (test_bit(STATUS_EXIT_PENDING, &priv->status))
- return;
-
- mutex_lock(&priv->mutex);
- __iwl_up(priv);
- mutex_unlock(&priv->mutex);
-}
-
static void iwl_bg_restart(struct work_struct *data)
{
struct iwl_priv *priv = container_of(data, struct iwl_priv, restart);
ieee80211_restart_hw(priv->hw);
} else {
iwl_down(priv);
- queue_work(priv->workqueue, &priv->up);
+
+ if (test_bit(STATUS_EXIT_PENDING, &priv->status))
+ return;
+
+ mutex_lock(&priv->mutex);
+ __iwl_up(priv);
+ mutex_unlock(&priv->mutex);
}
}
* Not a mac80211 entry point function, but it fits in with all the
* other mac80211 functions grouped here.
*/
-static int iwl_setup_mac(struct iwl_priv *priv)
+static int iwl_mac_setup_register(struct iwl_priv *priv)
{
int ret;
struct ieee80211_hw *hw = priv->hw;
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;
+
hw->sta_data_size = sizeof(struct iwl_station_priv);
hw->wiphy->interface_modes =
BIT(NL80211_IFTYPE_STATION) |
BIT(NL80211_IFTYPE_ADHOC);
- hw->wiphy->custom_regulatory = true;
-
- /* Firmware does not support this */
- hw->wiphy->disable_beacon_hints = true;
+ hw->wiphy->flags |= WIPHY_FLAG_STRICT_REGULATORY |
+ WIPHY_FLAG_DISABLE_BEACON_HINTS;
/*
* For now, disable PS by default because it affects
* RX performance significantly.
*/
- hw->wiphy->ps_default = false;
+ hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
- hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX;
+ hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX + 1;
/* we create the 802.11 header and a zero-length SSID element */
hw->wiphy->max_scan_ie_len = IWL_MAX_PROBE_REQUEST - 24 - 2;
IWL_WARN(priv, "REPLY_RXON_TIMING failed - "
"Attempting to continue.\n");
+ /* AP has all antennas */
+ priv->chain_noise_data.active_chains =
+ priv->hw_params.valid_rx_ant;
+ iwl_set_rxon_ht(priv, &priv->current_ht_config);
if (priv->cfg->ops->hcmd->set_rxon_chain)
priv->cfg->ops->hcmd->set_rxon_chain(priv);
/* restore RXON assoc */
priv->staging_rxon.filter_flags |= RXON_FILTER_ASSOC_MSK;
iwlcore_commit_rxon(priv);
+ iwl_reset_qos(priv);
spin_lock_irqsave(&priv->lock, flags);
iwl_activate_qos(priv, 1);
spin_unlock_irqrestore(&priv->lock, flags);
}
static void iwl_mac_update_tkip_key(struct ieee80211_hw *hw,
- struct ieee80211_key_conf *keyconf, const u8 *addr,
- u32 iv32, u16 *phase1key)
+ struct ieee80211_vif *vif,
+ struct ieee80211_key_conf *keyconf,
+ struct ieee80211_sta *sta,
+ u32 iv32, u16 *phase1key)
{
struct iwl_priv *priv = hw->priv;
IWL_DEBUG_MAC80211(priv, "enter\n");
- iwl_update_tkip_key(priv, keyconf, addr, iv32, phase1key);
+ iwl_update_tkip_key(priv, keyconf,
+ sta ? sta->addr : iwl_bcast_addr,
+ iv32, phase1key);
IWL_DEBUG_MAC80211(priv, "leave\n");
}
}
static int iwl_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)
{
return 0;
else
return ret;
+ case IEEE80211_AMPDU_TX_OPERATIONAL:
+ /* do nothing */
+ return -EOPNOTSUPP;
default:
IWL_DEBUG_HT(priv, "unknown\n");
return -EINVAL;
return 0;
}
+static void iwl_mac_sta_notify(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ enum sta_notify_cmd cmd,
+ struct ieee80211_sta *sta)
+{
+ struct iwl_priv *priv = hw->priv;
+ struct iwl_station_priv *sta_priv = (void *)sta->drv_priv;
+ int sta_id;
+
+ /*
+ * TODO: We really should use this callback to
+ * actually maintain the station table in
+ * the device.
+ */
+
+ switch (cmd) {
+ case STA_NOTIFY_ADD:
+ atomic_set(&sta_priv->pending_frames, 0);
+ if (vif->type == NL80211_IFTYPE_AP)
+ sta_priv->client = true;
+ break;
+ case STA_NOTIFY_SLEEP:
+ WARN_ON(!sta_priv->client);
+ sta_priv->asleep = true;
+ if (atomic_read(&sta_priv->pending_frames) > 0)
+ ieee80211_sta_block_awake(hw, sta, true);
+ break;
+ case STA_NOTIFY_AWAKE:
+ WARN_ON(!sta_priv->client);
+ if (!sta_priv->asleep)
+ break;
+ sta_priv->asleep = false;
+ sta_id = iwl_find_station(priv, sta->addr);
+ if (sta_id != IWL_INVALID_STATION)
+ iwl_sta_modify_ps_wake(priv, sta_id);
+ break;
+ default:
+ break;
+ }
+}
+
/*****************************************************************************
*
* sysfs attributes
return -EAGAIN;
mutex_lock(&priv->mutex);
- rc = iwl_send_statistics_request(priv, 0);
+ rc = iwl_send_statistics_request(priv, CMD_SYNC, false);
mutex_unlock(&priv->mutex);
if (rc) {
init_waitqueue_head(&priv->wait_command_queue);
- INIT_WORK(&priv->up, iwl_bg_up);
INIT_WORK(&priv->restart, iwl_bg_restart);
INIT_WORK(&priv->rx_replenish, iwl_bg_rx_replenish);
INIT_WORK(&priv->beacon_update, iwl_bg_beacon_update);
priv->statistics_periodic.data = (unsigned long)priv;
priv->statistics_periodic.function = iwl_bg_statistics_periodic;
+ init_timer(&priv->ucode_trace);
+ priv->ucode_trace.data = (unsigned long)priv;
+ priv->ucode_trace.function = iwl_bg_ucode_trace;
+
if (!priv->cfg->use_isr_legacy)
tasklet_init(&priv->irq_tasklet, (void (*)(unsigned long))
iwl_irq_tasklet, (unsigned long)priv);
cancel_delayed_work(&priv->alive_start);
cancel_work_sync(&priv->beacon_update);
del_timer_sync(&priv->statistics_periodic);
+ del_timer_sync(&priv->ucode_trace);
}
static void iwl_init_hw_rates(struct iwl_priv *priv,
priv->ibss_beacon = NULL;
- spin_lock_init(&priv->lock);
spin_lock_init(&priv->sta_lock);
spin_lock_init(&priv->hcmd_lock);
priv->band = IEEE80211_BAND_2GHZ;
priv->iw_mode = NL80211_IFTYPE_STATION;
- if (priv->cfg->support_sm_ps)
- priv->current_ht_config.sm_ps = WLAN_HT_CAP_SM_PS_DYNAMIC;
- else
- priv->current_ht_config.sm_ps = WLAN_HT_CAP_SM_PS_DISABLED;
+ priv->current_ht_config.smps = IEEE80211_SMPS_STATIC;
+ priv->missed_beacon_threshold = IWL_MISSED_BEACON_THRESHOLD_DEF;
/* Choose which receivers/antennas to use */
if (priv->cfg->ops->hcmd->set_rxon_chain)
.reset_tsf = iwl_mac_reset_tsf,
.bss_info_changed = iwl_bss_info_changed,
.ampdu_action = iwl_mac_ampdu_action,
- .hw_scan = iwl_mac_hw_scan
+ .hw_scan = iwl_mac_hw_scan,
+ .sta_notify = iwl_mac_sta_notify,
};
static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
(unsigned long long) pci_resource_len(pdev, 0));
IWL_DEBUG_INFO(priv, "pci_resource_base = %p\n", priv->hw_base);
- /* this spin lock will be used in apm_ops.init and EEPROM access
+ /* these spin locks will be used in apm_ops.init and EEPROM access
* we should init now
*/
spin_lock_init(&priv->reg_lock);
+ spin_lock_init(&priv->lock);
iwl_hw_detect(priv);
IWL_INFO(priv, "Detected Intel Wireless WiFi Link %s REV=0x%X\n",
priv->cfg->name, priv->hw_rev);
iwl_setup_deferred_work(priv);
iwl_setup_rx_handlers(priv);
- /**********************************
- * 8. Setup and register mac80211
- **********************************/
+ /*********************************************
+ * 8. Enable interrupts and read RFKILL state
+ *********************************************/
/* enable interrupts if needed: hw bug w/a */
pci_read_config_word(priv->pci_dev, PCI_COMMAND, &pci_cmd);
iwl_enable_interrupts(priv);
- err = iwl_setup_mac(priv);
- if (err)
- goto out_remove_sysfs;
-
- err = iwl_dbgfs_register(priv, DRV_NAME);
- if (err)
- IWL_ERR(priv, "failed to create debugfs files. Ignoring error: %d\n", err);
-
/* 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);
iwl_power_initialize(priv);
iwl_tt_initialize(priv);
+
+ /**************************************************
+ * 9. Setup and register with mac80211 and debugfs
+ **************************************************/
+ err = iwl_mac_setup_register(priv);
+ if (err)
+ goto out_remove_sysfs;
+
+ err = iwl_dbgfs_register(priv, DRV_NAME);
+ if (err)
+ IWL_ERR(priv, "failed to create debugfs files. Ignoring error: %d\n", err);
+
return 0;
out_remove_sysfs:
{IWL_PCI_DEVICE(0x4230, PCI_ANY_ID, iwl4965_agn_cfg)},
#endif /* CONFIG_IWL4965 */
#ifdef CONFIG_IWL5000
- {IWL_PCI_DEVICE(0x4232, 0x1205, iwl5100_bg_cfg)},
- {IWL_PCI_DEVICE(0x4232, 0x1305, iwl5100_bg_cfg)},
- {IWL_PCI_DEVICE(0x4232, 0x1206, iwl5100_abg_cfg)},
- {IWL_PCI_DEVICE(0x4232, 0x1306, iwl5100_abg_cfg)},
- {IWL_PCI_DEVICE(0x4232, 0x1326, iwl5100_abg_cfg)},
- {IWL_PCI_DEVICE(0x4237, 0x1216, iwl5100_abg_cfg)},
- {IWL_PCI_DEVICE(0x4232, PCI_ANY_ID, iwl5100_agn_cfg)},
- {IWL_PCI_DEVICE(0x4235, PCI_ANY_ID, iwl5300_agn_cfg)},
- {IWL_PCI_DEVICE(0x4236, PCI_ANY_ID, iwl5300_agn_cfg)},
- {IWL_PCI_DEVICE(0x4237, PCI_ANY_ID, iwl5100_agn_cfg)},
-/* 5350 WiFi/WiMax */
- {IWL_PCI_DEVICE(0x423A, 0x1001, iwl5350_agn_cfg)},
- {IWL_PCI_DEVICE(0x423A, 0x1021, iwl5350_agn_cfg)},
- {IWL_PCI_DEVICE(0x423B, 0x1011, iwl5350_agn_cfg)},
-/* 5150 Wifi/WiMax */
- {IWL_PCI_DEVICE(0x423C, PCI_ANY_ID, iwl5150_agn_cfg)},
- {IWL_PCI_DEVICE(0x423D, PCI_ANY_ID, iwl5150_agn_cfg)},
+/* 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(0x4232, 0x1304, iwl5100_agn_cfg)}, /* Half Mini Card */
+ {IWL_PCI_DEVICE(0x4232, 0x1205, iwl5100_bgn_cfg)}, /* Mini Card */
+ {IWL_PCI_DEVICE(0x4232, 0x1305, iwl5100_bgn_cfg)}, /* Half Mini Card */
+ {IWL_PCI_DEVICE(0x4232, 0x1206, iwl5100_abg_cfg)}, /* Mini Card */
+ {IWL_PCI_DEVICE(0x4232, 0x1306, iwl5100_abg_cfg)}, /* Half Mini Card */
+ {IWL_PCI_DEVICE(0x4232, 0x1221, iwl5100_agn_cfg)}, /* Mini Card */
+ {IWL_PCI_DEVICE(0x4232, 0x1321, iwl5100_agn_cfg)}, /* Half Mini Card */
+ {IWL_PCI_DEVICE(0x4232, 0x1224, iwl5100_agn_cfg)}, /* Mini Card */
+ {IWL_PCI_DEVICE(0x4232, 0x1324, iwl5100_agn_cfg)}, /* Half Mini Card */
+ {IWL_PCI_DEVICE(0x4232, 0x1225, iwl5100_bgn_cfg)}, /* Mini Card */
+ {IWL_PCI_DEVICE(0x4232, 0x1325, iwl5100_bgn_cfg)}, /* Half Mini Card */
+ {IWL_PCI_DEVICE(0x4232, 0x1226, iwl5100_abg_cfg)}, /* Mini Card */
+ {IWL_PCI_DEVICE(0x4232, 0x1326, iwl5100_abg_cfg)}, /* Half Mini Card */
+ {IWL_PCI_DEVICE(0x4237, 0x1211, iwl5100_agn_cfg)}, /* Mini Card */
+ {IWL_PCI_DEVICE(0x4237, 0x1311, iwl5100_agn_cfg)}, /* Half Mini Card */
+ {IWL_PCI_DEVICE(0x4237, 0x1214, iwl5100_agn_cfg)}, /* Mini Card */
+ {IWL_PCI_DEVICE(0x4237, 0x1314, iwl5100_agn_cfg)}, /* Half Mini Card */
+ {IWL_PCI_DEVICE(0x4237, 0x1215, iwl5100_bgn_cfg)}, /* Mini Card */
+ {IWL_PCI_DEVICE(0x4237, 0x1315, iwl5100_bgn_cfg)}, /* Half Mini Card */
+ {IWL_PCI_DEVICE(0x4237, 0x1216, iwl5100_abg_cfg)}, /* Mini Card */
+ {IWL_PCI_DEVICE(0x4237, 0x1316, iwl5100_abg_cfg)}, /* Half Mini Card */
+
+/* 5300 Series WiFi */
+ {IWL_PCI_DEVICE(0x4235, 0x1021, iwl5300_agn_cfg)}, /* Mini Card */
+ {IWL_PCI_DEVICE(0x4235, 0x1121, iwl5300_agn_cfg)}, /* Half Mini Card */
+ {IWL_PCI_DEVICE(0x4235, 0x1024, iwl5300_agn_cfg)}, /* Mini Card */
+ {IWL_PCI_DEVICE(0x4235, 0x1124, iwl5300_agn_cfg)}, /* Half Mini Card */
+ {IWL_PCI_DEVICE(0x4235, 0x1001, iwl5300_agn_cfg)}, /* Mini Card */
+ {IWL_PCI_DEVICE(0x4235, 0x1101, iwl5300_agn_cfg)}, /* Half Mini Card */
+ {IWL_PCI_DEVICE(0x4235, 0x1004, iwl5300_agn_cfg)}, /* Mini Card */
+ {IWL_PCI_DEVICE(0x4235, 0x1104, iwl5300_agn_cfg)}, /* Half Mini Card */
+ {IWL_PCI_DEVICE(0x4236, 0x1011, iwl5300_agn_cfg)}, /* Mini Card */
+ {IWL_PCI_DEVICE(0x4236, 0x1111, iwl5300_agn_cfg)}, /* Half Mini Card */
+ {IWL_PCI_DEVICE(0x4236, 0x1014, iwl5300_agn_cfg)}, /* Mini Card */
+ {IWL_PCI_DEVICE(0x4236, 0x1114, iwl5300_agn_cfg)}, /* Half Mini Card */
+
+/* 5350 Series WiFi/WiMax */
+ {IWL_PCI_DEVICE(0x423A, 0x1001, iwl5350_agn_cfg)}, /* Mini Card */
+ {IWL_PCI_DEVICE(0x423A, 0x1021, iwl5350_agn_cfg)}, /* Mini Card */
+ {IWL_PCI_DEVICE(0x423B, 0x1011, iwl5350_agn_cfg)}, /* Mini Card */
+
+/* 5150 Series Wifi/WiMax */
+ {IWL_PCI_DEVICE(0x423C, 0x1201, iwl5150_agn_cfg)}, /* Mini Card */
+ {IWL_PCI_DEVICE(0x423C, 0x1301, iwl5150_agn_cfg)}, /* Half Mini Card */
+ {IWL_PCI_DEVICE(0x423C, 0x1206, iwl5150_abg_cfg)}, /* Mini Card */
+ {IWL_PCI_DEVICE(0x423C, 0x1306, iwl5150_abg_cfg)}, /* Half Mini Card */
+ {IWL_PCI_DEVICE(0x423C, 0x1221, iwl5150_agn_cfg)}, /* Mini Card */
+ {IWL_PCI_DEVICE(0x423C, 0x1321, iwl5150_agn_cfg)}, /* Half Mini Card */
+
+ {IWL_PCI_DEVICE(0x423D, 0x1211, iwl5150_agn_cfg)}, /* Mini Card */
+ {IWL_PCI_DEVICE(0x423D, 0x1311, iwl5150_agn_cfg)}, /* Half Mini Card */
+ {IWL_PCI_DEVICE(0x423D, 0x1216, iwl5150_abg_cfg)}, /* Mini Card */
+ {IWL_PCI_DEVICE(0x423D, 0x1316, iwl5150_abg_cfg)}, /* Half Mini Card */
/* 6x00 Series */
{IWL_PCI_DEVICE(0x422B, 0x1101, iwl6000_3agn_cfg)},
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff