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path: root/drivers/net/wireless/iwlegacy/iwl3945-base.c
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Diffstat (limited to 'drivers/net/wireless/iwlegacy/iwl3945-base.c')
-rw-r--r--drivers/net/wireless/iwlegacy/iwl3945-base.c301
1 files changed, 13 insertions, 288 deletions
diff --git a/drivers/net/wireless/iwlegacy/iwl3945-base.c b/drivers/net/wireless/iwlegacy/iwl3945-base.c
index 0ee6be6a9c5d..795826a014ed 100644
--- a/drivers/net/wireless/iwlegacy/iwl3945-base.c
+++ b/drivers/net/wireless/iwlegacy/iwl3945-base.c
@@ -1409,212 +1409,6 @@ void iwl3945_dump_nic_error_log(struct iwl_priv *priv)
}
}
-#define EVENT_START_OFFSET (6 * sizeof(u32))
-
-/**
- * iwl3945_print_event_log - Dump error event log to syslog
- *
- */
-static int iwl3945_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 */
- u32 event_size; /* 2 u32s, or 3 u32s if timestamp recorded */
- u32 ptr; /* SRAM byte address of log data */
- u32 ev, time, data; /* event log data */
- unsigned long reg_flags;
-
- if (num_events == 0)
- return pos;
-
- base = le32_to_cpu(priv->card_alive.log_event_table_ptr);
-
- if (mode == 0)
- event_size = 2 * sizeof(u32);
- else
- event_size = 3 * sizeof(u32);
-
- ptr = base + EVENT_START_OFFSET + (start_idx * event_size);
-
- /* Make sure device is powered up for SRAM reads */
- spin_lock_irqsave(&priv->reg_lock, reg_flags);
- iwl_grab_nic_access(priv);
-
- /* Set starting address; reads will auto-increment */
- _iwl_legacy_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_legacy_read_direct32(priv, HBUS_TARG_MEM_RDAT);
- time = _iwl_legacy_read_direct32(priv, HBUS_TARG_MEM_RDAT);
- if (mode == 0) {
- /* data, ev */
- if (bufsz) {
- pos += scnprintf(*buf + pos, bufsz - pos,
- "0x%08x:%04u\n",
- time, ev);
- } else {
- IWL_ERR(priv, "0x%08x\t%04u\n", time, ev);
- trace_iwlwifi_legacy_dev_ucode_event(priv, 0,
- time, ev);
- }
- } else {
- data = _iwl_legacy_read_direct32(priv,
- HBUS_TARG_MEM_RDAT);
- if (bufsz) {
- pos += scnprintf(*buf + pos, bufsz - pos,
- "%010u:0x%08x:%04u\n",
- time, data, ev);
- } else {
- IWL_ERR(priv, "%010u\t0x%08x\t%04u\n",
- time, data, ev);
- trace_iwlwifi_legacy_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;
-}
-
-/**
- * iwl3945_print_last_event_logs - Dump the newest # of event log to syslog
- */
-static int iwl3945_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 = iwl3945_print_event_log(priv,
- capacity - (size - next_entry),
- size - next_entry, mode,
- pos, buf, bufsz);
- pos = iwl3945_print_event_log(priv, 0,
- next_entry, mode,
- pos, buf, bufsz);
- } else
- pos = iwl3945_print_event_log(priv, next_entry - size,
- size, mode,
- pos, buf, bufsz);
- } else {
- if (next_entry < size)
- pos = iwl3945_print_event_log(priv, 0,
- next_entry, mode,
- pos, buf, bufsz);
- else
- pos = iwl3945_print_event_log(priv, next_entry - size,
- size, mode,
- pos, buf, bufsz);
- }
- return pos;
-}
-
-#define DEFAULT_IWL3945_DUMP_EVENT_LOG_ENTRIES (20)
-
-int iwl3945_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 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 */
- u32 size; /* # entries that we'll print */
- int pos = 0;
- size_t bufsz = 0;
-
- base = le32_to_cpu(priv->card_alive.log_event_table_ptr);
- if (!iwl3945_hw_valid_rtc_data_addr(base)) {
- IWL_ERR(priv, "Invalid event log pointer 0x%08X\n", base);
- return -EINVAL;
- }
-
- /* event log header */
- capacity = iwl_legacy_read_targ_mem(priv, base);
- mode = iwl_legacy_read_targ_mem(priv, base + (1 * sizeof(u32)));
- num_wraps = iwl_legacy_read_targ_mem(priv, base + (2 * sizeof(u32)));
- next_entry = iwl_legacy_read_targ_mem(priv, base + (3 * sizeof(u32)));
-
- if (capacity > priv->cfg->base_params->max_event_log_size) {
- IWL_ERR(priv, "Log capacity %d is bogus, limit to %d entries\n",
- capacity, priv->cfg->base_params->max_event_log_size);
- capacity = priv->cfg->base_params->max_event_log_size;
- }
-
- if (next_entry > priv->cfg->base_params->max_event_log_size) {
- IWL_ERR(priv, "Log write index %d is bogus, limit to %d\n",
- next_entry, priv->cfg->base_params->max_event_log_size);
- next_entry = priv->cfg->base_params->max_event_log_size;
- }
-
- size = num_wraps ? capacity : next_entry;
-
- /* bail out if nothing in log */
- if (size == 0) {
- IWL_ERR(priv, "Start IWL Event Log Dump: nothing in log\n");
- return pos;
- }
-
-#ifdef CONFIG_IWLWIFI_LEGACY_DEBUG
- if (!(iwl_legacy_get_debug_level(priv) & IWL_DL_FW_ERRORS) && !full_log)
- size = (size > DEFAULT_IWL3945_DUMP_EVENT_LOG_ENTRIES)
- ? DEFAULT_IWL3945_DUMP_EVENT_LOG_ENTRIES : size;
-#else
- size = (size > DEFAULT_IWL3945_DUMP_EVENT_LOG_ENTRIES)
- ? DEFAULT_IWL3945_DUMP_EVENT_LOG_ENTRIES : size;
-#endif
-
- IWL_ERR(priv, "Start IWL Event Log Dump: display last %d count\n",
- size);
-
-#ifdef CONFIG_IWLWIFI_LEGACY_DEBUG
- if (display) {
- if (full_log)
- bufsz = capacity * 48;
- else
- bufsz = size * 48;
- *buf = kmalloc(bufsz, GFP_KERNEL);
- if (!*buf)
- return -ENOMEM;
- }
- if ((iwl_legacy_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 = iwl3945_print_event_log(priv, next_entry,
- capacity - next_entry, mode,
- pos, buf, bufsz);
-
- /* (then/else) start at top of log */
- pos = iwl3945_print_event_log(priv, 0, next_entry, mode,
- pos, buf, bufsz);
- } else
- pos = iwl3945_print_last_event_logs(priv, capacity, num_wraps,
- next_entry, size, mode,
- pos, buf, bufsz);
-#else
- pos = iwl3945_print_last_event_logs(priv, capacity, num_wraps,
- next_entry, size, mode,
- pos, buf, bufsz);
-#endif
- return pos;
-}
-
static void iwl3945_irq_tasklet(struct iwl_priv *priv)
{
u32 inta, handled = 0;
@@ -1762,49 +1556,6 @@ static void iwl3945_irq_tasklet(struct iwl_priv *priv)
#endif
}
-static int iwl3945_get_single_channel_for_scan(struct iwl_priv *priv,
- struct ieee80211_vif *vif,
- enum ieee80211_band band,
- struct iwl3945_scan_channel *scan_ch)
-{
- const struct ieee80211_supported_band *sband;
- u16 passive_dwell = 0;
- u16 active_dwell = 0;
- int added = 0;
- u8 channel = 0;
-
- sband = iwl_get_hw_mode(priv, band);
- if (!sband) {
- IWL_ERR(priv, "invalid band\n");
- return added;
- }
-
- active_dwell = iwl_legacy_get_active_dwell_time(priv, band, 0);
- passive_dwell = iwl_legacy_get_passive_dwell_time(priv, band, vif);
-
- if (passive_dwell <= active_dwell)
- passive_dwell = active_dwell + 1;
-
-
- channel = iwl_legacy_get_single_channel_number(priv, band);
-
- if (channel) {
- scan_ch->channel = channel;
- scan_ch->type = 0; /* passive */
- scan_ch->active_dwell = cpu_to_le16(active_dwell);
- scan_ch->passive_dwell = cpu_to_le16(passive_dwell);
- /* Set txpower levels to defaults */
- scan_ch->tpc.dsp_atten = 110;
- if (band == IEEE80211_BAND_5GHZ)
- scan_ch->tpc.tx_gain = ((1 << 5) | (3 << 3)) | 3;
- else
- scan_ch->tpc.tx_gain = ((1 << 5) | (5 << 3));
- added++;
- } else
- IWL_ERR(priv, "no valid channel found\n");
- return added;
-}
-
static int iwl3945_get_channels_for_scan(struct iwl_priv *priv,
enum ieee80211_band band,
u8 is_active, u8 n_probes,
@@ -2816,6 +2567,7 @@ int iwl3945_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
enum ieee80211_band band;
bool is_active = false;
int ret;
+ u16 len;
lockdep_assert_held(&priv->mutex);
@@ -2834,17 +2586,14 @@ int iwl3945_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
scan->quiet_time = IWL_ACTIVE_QUIET_TIME;
if (iwl_legacy_is_associated(priv, IWL_RXON_CTX_BSS)) {
- u16 interval = 0;
+ u16 interval;
u32 extra;
u32 suspend_time = 100;
u32 scan_suspend_time = 100;
IWL_DEBUG_INFO(priv, "Scanning while associated...\n");
- if (priv->is_internal_short_scan)
- interval = 0;
- else
- interval = vif->bss_conf.beacon_int;
+ interval = vif->bss_conf.beacon_int;
scan->suspend_time = 0;
scan->max_out_time = cpu_to_le32(200 * 1024);
@@ -2866,9 +2615,7 @@ int iwl3945_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
scan_suspend_time, interval);
}
- if (priv->is_internal_short_scan) {
- IWL_DEBUG_SCAN(priv, "Start internal passive scan.\n");
- } else if (priv->scan_request->n_ssids) {
+ if (priv->scan_request->n_ssids) {
int i, p = 0;
IWL_DEBUG_SCAN(priv, "Kicking off active scan\n");
for (i = 0; i < priv->scan_request->n_ssids; i++) {
@@ -2919,36 +2666,17 @@ int iwl3945_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
scan->good_CRC_th = is_active ? IWL_GOOD_CRC_TH_DEFAULT :
IWL_GOOD_CRC_TH_DISABLED;
- if (!priv->is_internal_short_scan) {
- scan->tx_cmd.len = cpu_to_le16(
- iwl_legacy_fill_probe_req(priv,
- (struct ieee80211_mgmt *)scan->data,
- vif->addr,
- priv->scan_request->ie,
- priv->scan_request->ie_len,
- IWL_MAX_SCAN_SIZE - sizeof(*scan)));
- } else {
- /* use bcast addr, will not be transmitted but must be valid */
- scan->tx_cmd.len = cpu_to_le16(
- iwl_legacy_fill_probe_req(priv,
- (struct ieee80211_mgmt *)scan->data,
- iwlegacy_bcast_addr, NULL, 0,
- IWL_MAX_SCAN_SIZE - sizeof(*scan)));
- }
+ len = iwl_legacy_fill_probe_req(priv, (struct ieee80211_mgmt *)scan->data,
+ vif->addr, priv->scan_request->ie,
+ priv->scan_request->ie_len,
+ IWL_MAX_SCAN_SIZE - sizeof(*scan));
+ scan->tx_cmd.len = cpu_to_le16(len);
+
/* select Rx antennas */
scan->flags |= iwl3945_get_antenna_flags(priv);
- if (priv->is_internal_short_scan) {
- scan->channel_count =
- iwl3945_get_single_channel_for_scan(priv, vif, band,
- (void *)&scan->data[le16_to_cpu(
- scan->tx_cmd.len)]);
- } else {
- scan->channel_count =
- iwl3945_get_channels_for_scan(priv, band, is_active, n_probes,
- (void *)&scan->data[le16_to_cpu(scan->tx_cmd.len)], vif);
- }
-
+ scan->channel_count = iwl3945_get_channels_for_scan(priv, band, is_active, n_probes,
+ (void *)&scan->data[len], vif);
if (scan->channel_count == 0) {
IWL_DEBUG_SCAN(priv, "channel count %d\n", scan->channel_count);
return -EIO;
@@ -3824,10 +3552,7 @@ static int iwl3945_init_drv(struct iwl_priv *priv)
priv->missed_beacon_threshold = IWL_MISSED_BEACON_THRESHOLD_DEF;
/* initialize force reset */
- priv->force_reset[IWL_RF_RESET].reset_duration =
- IWL_DELAY_NEXT_FORCE_RF_RESET;
- priv->force_reset[IWL_FW_RESET].reset_duration =
- IWL_DELAY_NEXT_FORCE_FW_RELOAD;
+ priv->force_reset.reset_duration = IWL_DELAY_NEXT_FORCE_FW_RELOAD;
if (eeprom->version < EEPROM_3945_EEPROM_VERSION) {
IWL_WARN(priv, "Unsupported EEPROM version: 0x%04X\n",