diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-core.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-core.c | 972 |
1 files changed, 652 insertions, 320 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c index 18b135f..acfd7b4 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.c +++ b/drivers/net/wireless/iwlwifi/iwl-core.c @@ -59,6 +59,9 @@ MODULE_LICENSE("GPL"); IWL_RATE_##pp##M_INDEX, \ IWL_RATE_##np##M_INDEX } +u32 iwl_debug_level; +EXPORT_SYMBOL(iwl_debug_level); + static irqreturn_t iwl_isr(int irq, void *data); /* @@ -93,7 +96,6 @@ EXPORT_SYMBOL(iwl_rates); void iwl_hwrate_to_tx_control(struct iwl_priv *priv, u32 rate_n_flags, struct ieee80211_tx_info *info) { - int rate_index; struct ieee80211_tx_rate *r = &info->control.rates[0]; info->antenna_sel_tx = @@ -102,16 +104,13 @@ void iwl_hwrate_to_tx_control(struct iwl_priv *priv, u32 rate_n_flags, r->flags |= IEEE80211_TX_RC_MCS; if (rate_n_flags & RATE_MCS_GF_MSK) r->flags |= IEEE80211_TX_RC_GREEN_FIELD; - if (rate_n_flags & RATE_MCS_FAT_MSK) + if (rate_n_flags & RATE_MCS_HT40_MSK) r->flags |= IEEE80211_TX_RC_40_MHZ_WIDTH; if (rate_n_flags & RATE_MCS_DUP_MSK) r->flags |= IEEE80211_TX_RC_DUP_DATA; if (rate_n_flags & RATE_MCS_SGI_MSK) r->flags |= IEEE80211_TX_RC_SHORT_GI; - rate_index = iwl_hwrate_to_plcp_idx(rate_n_flags); - if (info->band == IEEE80211_BAND_5GHZ) - rate_index -= IWL_FIRST_OFDM_RATE; - r->idx = rate_index; + r->idx = iwl_hwrate_to_mac80211_idx(rate_n_flags, info->band); } EXPORT_SYMBOL(iwl_hwrate_to_tx_control); @@ -146,6 +145,27 @@ int iwl_hwrate_to_plcp_idx(u32 rate_n_flags) } EXPORT_SYMBOL(iwl_hwrate_to_plcp_idx); +int iwl_hwrate_to_mac80211_idx(u32 rate_n_flags, enum ieee80211_band band) +{ + int idx = 0; + int band_offset = 0; + + /* HT rate format: mac80211 wants an MCS number, which is just LSB */ + if (rate_n_flags & RATE_MCS_HT_MSK) { + idx = (rate_n_flags & 0xff); + return idx; + /* Legacy rate format, search for match in table */ + } else { + if (band == IEEE80211_BAND_5GHZ) + band_offset = IWL_FIRST_OFDM_RATE; + for (idx = band_offset; idx < IWL_RATE_COUNT_LEGACY; idx++) + if (iwl_rates[idx].plcp == (rate_n_flags & 0xFF)) + return idx - band_offset; + } + + return -1; +} + u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant) { int i; @@ -391,13 +411,14 @@ static void iwlcore_init_ht_hw_capab(const struct iwl_priv *priv, ht_info->ht_supported = true; - ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD; + if (priv->cfg->ht_greenfield_support) + ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD; ht_info->cap |= IEEE80211_HT_CAP_SGI_20; ht_info->cap |= (IEEE80211_HT_CAP_SM_PS & (WLAN_HT_CAP_SM_PS_DISABLED << 2)); max_bit_rate = MAX_BIT_RATE_20_MHZ; - if (priv->hw_params.fat_channel & BIT(band)) { + if (priv->hw_params.ht40_channel & BIT(band)) { ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; ht_info->cap |= IEEE80211_HT_CAP_SGI_40; ht_info->mcs.rx_mask[4] = 0x01; @@ -435,12 +456,12 @@ static void iwlcore_init_hw_rates(struct iwl_priv *priv, { int i; - for (i = 0; i < IWL_RATE_COUNT; i++) { + for (i = 0; i < IWL_RATE_COUNT_LEGACY; i++) { rates[i].bitrate = iwl_rates[i].ieee * 5; rates[i].hw_value = i; /* Rate scaling will work on indexes */ rates[i].hw_value_short = i; rates[i].flags = 0; - if ((i > IWL_LAST_OFDM_RATE) || (i < IWL_FIRST_OFDM_RATE)) { + if ((i >= IWL_FIRST_CCK_RATE) && (i <= IWL_LAST_CCK_RATE)) { /* * If CCK != 1M then set short preamble rate flag. */ @@ -476,7 +497,7 @@ int iwlcore_init_geos(struct iwl_priv *priv) if (!channels) return -ENOMEM; - rates = kzalloc((sizeof(struct ieee80211_rate) * (IWL_RATE_COUNT + 1)), + rates = kzalloc((sizeof(struct ieee80211_rate) * IWL_RATE_COUNT_LEGACY), GFP_KERNEL); if (!rates) { kfree(channels); @@ -488,7 +509,7 @@ int iwlcore_init_geos(struct iwl_priv *priv) sband->channels = &channels[ARRAY_SIZE(iwl_eeprom_band_1)]; /* just OFDM */ sband->bitrates = &rates[IWL_FIRST_OFDM_RATE]; - sband->n_bitrates = IWL_RATE_COUNT - IWL_FIRST_OFDM_RATE; + sband->n_bitrates = IWL_RATE_COUNT_LEGACY - IWL_FIRST_OFDM_RATE; if (priv->cfg->sku & IWL_SKU_N) iwlcore_init_ht_hw_capab(priv, &sband->ht_cap, @@ -498,7 +519,7 @@ int iwlcore_init_geos(struct iwl_priv *priv) sband->channels = channels; /* OFDM & CCK */ sband->bitrates = rates; - sband->n_bitrates = IWL_RATE_COUNT; + sband->n_bitrates = IWL_RATE_COUNT_LEGACY; if (priv->cfg->sku & IWL_SKU_N) iwlcore_init_ht_hw_capab(priv, &sband->ht_cap, @@ -537,17 +558,14 @@ int iwlcore_init_geos(struct iwl_priv *priv) if (ch->flags & EEPROM_CHANNEL_RADAR) geo_ch->flags |= IEEE80211_CHAN_RADAR; - geo_ch->flags |= ch->fat_extension_channel; + geo_ch->flags |= ch->ht40_extension_channel; - if (ch->max_power_avg > priv->tx_power_channel_lmt) - priv->tx_power_channel_lmt = ch->max_power_avg; + if (ch->max_power_avg > priv->tx_power_device_lmt) + priv->tx_power_device_lmt = ch->max_power_avg; } else { geo_ch->flags |= IEEE80211_CHAN_DISABLED; } - /* Save flags for reg domain usage */ - geo_ch->orig_flags = geo_ch->flags; - IWL_DEBUG_INFO(priv, "Channel %d Freq=%d[%sGHz] %s flag=0x%X\n", ch->channel, geo_ch->center_freq, is_channel_a_band(ch) ? "5.2" : "2.4", @@ -604,16 +622,16 @@ static u8 iwl_is_channel_extension(struct iwl_priv *priv, return 0; if (extension_chan_offset == IEEE80211_HT_PARAM_CHA_SEC_ABOVE) - return !(ch_info->fat_extension_channel & + return !(ch_info->ht40_extension_channel & IEEE80211_CHAN_NO_HT40PLUS); else if (extension_chan_offset == IEEE80211_HT_PARAM_CHA_SEC_BELOW) - return !(ch_info->fat_extension_channel & + return !(ch_info->ht40_extension_channel & IEEE80211_CHAN_NO_HT40MINUS); return 0; } -u8 iwl_is_fat_tx_allowed(struct iwl_priv *priv, +u8 iwl_is_ht40_tx_allowed(struct iwl_priv *priv, struct ieee80211_sta_ht_cap *sta_ht_inf) { struct iwl_ht_info *iwl_ht_conf = &priv->current_ht_config; @@ -629,11 +647,72 @@ u8 iwl_is_fat_tx_allowed(struct iwl_priv *priv, if (!sta_ht_inf->ht_supported) return 0; } +#ifdef CONFIG_IWLWIFI_DEBUG + if (priv->disable_ht40) + return 0; +#endif return iwl_is_channel_extension(priv, priv->band, le16_to_cpu(priv->staging_rxon.channel), iwl_ht_conf->extension_chan_offset); } -EXPORT_SYMBOL(iwl_is_fat_tx_allowed); +EXPORT_SYMBOL(iwl_is_ht40_tx_allowed); + +static u16 iwl_adjust_beacon_interval(u16 beacon_val, u16 max_beacon_val) +{ + u16 new_val = 0; + u16 beacon_factor = 0; + + beacon_factor = (beacon_val + max_beacon_val) / max_beacon_val; + new_val = beacon_val / beacon_factor; + + if (!new_val) + new_val = max_beacon_val; + + return new_val; +} + +void iwl_setup_rxon_timing(struct iwl_priv *priv) +{ + u64 tsf; + s32 interval_tm, rem; + unsigned long flags; + struct ieee80211_conf *conf = NULL; + u16 beacon_int; + + conf = ieee80211_get_hw_conf(priv->hw); + + spin_lock_irqsave(&priv->lock, flags); + priv->rxon_timing.timestamp = cpu_to_le64(priv->timestamp); + priv->rxon_timing.listen_interval = cpu_to_le16(conf->listen_interval); + + if (priv->iw_mode == NL80211_IFTYPE_STATION) { + beacon_int = priv->beacon_int; + priv->rxon_timing.atim_window = 0; + } else { + beacon_int = priv->vif->bss_conf.beacon_int; + + /* TODO: we need to get atim_window from upper stack + * for now we set to 0 */ + priv->rxon_timing.atim_window = 0; + } + + beacon_int = iwl_adjust_beacon_interval(beacon_int, + priv->hw_params.max_beacon_itrvl * 1024); + priv->rxon_timing.beacon_interval = cpu_to_le16(beacon_int); + + tsf = priv->timestamp; /* tsf is modifed by do_div: copy it */ + interval_tm = beacon_int * 1024; + rem = do_div(tsf, interval_tm); + priv->rxon_timing.beacon_init_val = cpu_to_le32(interval_tm - rem); + + spin_unlock_irqrestore(&priv->lock, flags); + IWL_DEBUG_ASSOC(priv, + "beacon interval %d beacon timer %d beacon tim %d\n", + le16_to_cpu(priv->rxon_timing.beacon_interval), + le32_to_cpu(priv->rxon_timing.beacon_init_val), + le16_to_cpu(priv->rxon_timing.atim_window)); +} +EXPORT_SYMBOL(iwl_setup_rxon_timing); void iwl_set_rxon_hwcrypto(struct iwl_priv *priv, int hw_decrypt) { @@ -805,7 +884,7 @@ void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_info *ht_info) if (!ht_info->is_ht) { rxon->flags &= ~(RXON_FLG_CHANNEL_MODE_MSK | RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK | - RXON_FLG_FAT_PROT_MSK | + RXON_FLG_HT40_PROT_MSK | RXON_FLG_HT_PROT_MSK); return; } @@ -816,12 +895,12 @@ void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_info *ht_info) rxon->flags |= cpu_to_le32(ht_info->ht_protection << RXON_FLG_HT_OPERATING_MODE_POS); /* Set up channel bandwidth: - * 20 MHz only, 20/40 mixed or pure 40 if fat ok */ + * 20 MHz only, 20/40 mixed or pure 40 if ht40 ok */ /* clear the HT channel mode before set the mode */ rxon->flags &= ~(RXON_FLG_CHANNEL_MODE_MSK | RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK); - if (iwl_is_fat_tx_allowed(priv, NULL)) { - /* pure 40 fat */ + if (iwl_is_ht40_tx_allowed(priv, NULL)) { + /* pure ht40 */ if (ht_info->ht_protection == IEEE80211_HT_OP_MODE_PROTECTION_20MHZ) { rxon->flags |= RXON_FLG_CHANNEL_MODE_PURE_40; /* Note: control channel is opposite of extension channel */ @@ -1076,7 +1155,6 @@ void iwl_set_flags_for_band(struct iwl_priv *priv, priv->staging_rxon.flags &= ~RXON_FLG_CCK_MSK; } } -EXPORT_SYMBOL(iwl_set_flags_for_band); /* * initialize rxon structure with default values from eeprom @@ -1170,7 +1248,7 @@ static void iwl_set_rate(struct iwl_priv *priv) for (i = 0; i < hw->n_bitrates; i++) { rate = &(hw->bitrates[i]); - if (rate->hw_value < IWL_RATE_COUNT) + if (rate->hw_value < IWL_RATE_COUNT_LEGACY) priv->active_rate |= (1 << rate->hw_value); } @@ -1231,9 +1309,191 @@ static void iwl_print_rx_config_cmd(struct iwl_priv *priv) IWL_DEBUG_RADIO(priv, "u8[6] bssid_addr: %pM\n", rxon->bssid_addr); IWL_DEBUG_RADIO(priv, "u16 assoc_id: 0x%x\n", le16_to_cpu(rxon->assoc_id)); } -#endif + +static const char *desc_lookup_text[] = { + "OK", + "FAIL", + "BAD_PARAM", + "BAD_CHECKSUM", + "NMI_INTERRUPT_WDG", + "SYSASSERT", + "FATAL_ERROR", + "BAD_COMMAND", + "HW_ERROR_TUNE_LOCK", + "HW_ERROR_TEMPERATURE", + "ILLEGAL_CHAN_FREQ", + "VCC_NOT_STABLE", + "FH_ERROR", + "NMI_INTERRUPT_HOST", + "NMI_INTERRUPT_ACTION_PT", + "NMI_INTERRUPT_UNKNOWN", + "UCODE_VERSION_MISMATCH", + "HW_ERROR_ABS_LOCK", + "HW_ERROR_CAL_LOCK_FAIL", + "NMI_INTERRUPT_INST_ACTION_PT", + "NMI_INTERRUPT_DATA_ACTION_PT", + "NMI_TRM_HW_ER", + "NMI_INTERRUPT_TRM", + "NMI_INTERRUPT_BREAK_POINT" + "DEBUG_0", + "DEBUG_1", + "DEBUG_2", + "DEBUG_3", + "UNKNOWN" +}; + +static const char *desc_lookup(int i) +{ + int max = ARRAY_SIZE(desc_lookup_text) - 1; + + if (i < 0 || i > max) + i = max; + + return desc_lookup_text[i]; +} + +#define ERROR_START_OFFSET (1 * sizeof(u32)) +#define ERROR_ELEM_SIZE (7 * sizeof(u32)) + +static void iwl_dump_nic_error_log(struct iwl_priv *priv) +{ + u32 data2, line; + u32 desc, time, count, base, data1; + u32 blink1, blink2, ilink1, ilink2; + + 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.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); + return; + } + + count = iwl_read_targ_mem(priv, base); + + if (ERROR_START_OFFSET <= count * ERROR_ELEM_SIZE) { + IWL_ERR(priv, "Start IWL Error Log Dump:\n"); + IWL_ERR(priv, "Status: 0x%08lX, count: %d\n", + priv->status, count); + } + + desc = iwl_read_targ_mem(priv, base + 1 * 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)); + + IWL_ERR(priv, "Desc Time " + "data1 data2 line\n"); + IWL_ERR(priv, "%-28s (#%02d) %010u 0x%08X 0x%08X %u\n", + desc_lookup(desc), desc, time, data1, data2, line); + IWL_ERR(priv, "blink1 blink2 ilink1 ilink2\n"); + IWL_ERR(priv, "0x%05X 0x%05X 0x%05X 0x%05X\n", blink1, blink2, + ilink1, ilink2); + +} + +#define EVENT_START_OFFSET (4 * sizeof(u32)) /** + * 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) +{ + 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 */ + + if (num_events == 0) + return; + if (priv->ucode_type == UCODE_INIT) + base = le32_to_cpu(priv->card_alive_init.log_event_table_ptr); + else + 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); + + /* "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_targ_mem(priv, ptr); + ptr += sizeof(u32); + time = iwl_read_targ_mem(priv, ptr); + ptr += sizeof(u32); + if (mode == 0) { + /* data, ev */ + IWL_ERR(priv, "EVT_LOG:0x%08x:%04u\n", time, ev); + } else { + data = iwl_read_targ_mem(priv, ptr); + ptr += sizeof(u32); + IWL_ERR(priv, "EVT_LOGT:%010u:0x%08x:%04u\n", + time, data, ev); + } + } +} + +void iwl_dump_nic_event_log(struct iwl_priv *priv) +{ + 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 */ + + if (priv->ucode_type == UCODE_INIT) + base = le32_to_cpu(priv->card_alive_init.log_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)) { + IWL_ERR(priv, "Invalid event log pointer 0x%08X\n", base); + return; + } + + /* event log header */ + capacity = iwl_read_targ_mem(priv, base); + mode = iwl_read_targ_mem(priv, base + (1 * sizeof(u32))); + num_wraps = iwl_read_targ_mem(priv, base + (2 * sizeof(u32))); + next_entry = iwl_read_targ_mem(priv, base + (3 * sizeof(u32))); + + 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; + } + + 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); + +} +#endif +/** * iwl_irq_handle_error - called for HW or SW error interrupt from card */ void iwl_irq_handle_error(struct iwl_priv *priv) @@ -1245,7 +1505,7 @@ void iwl_irq_handle_error(struct iwl_priv *priv) clear_bit(STATUS_HCMD_ACTIVE, &priv->status); #ifdef CONFIG_IWLWIFI_DEBUG - if (priv->debug_level & IWL_DL_FW_ERRORS) { + if (iwl_get_debug_level(priv) & IWL_DL_FW_ERRORS) { iwl_dump_nic_error_log(priv); iwl_dump_nic_event_log(priv); iwl_print_rx_config_cmd(priv); @@ -1271,7 +1531,7 @@ EXPORT_SYMBOL(iwl_irq_handle_error); void iwl_configure_filter(struct ieee80211_hw *hw, unsigned int changed_flags, unsigned int *total_flags, - int mc_count, struct dev_addr_list *mc_list) + u64 multicast) { struct iwl_priv *priv = hw->priv; __le32 *filter_flags = &priv->staging_rxon.filter_flags; @@ -1325,7 +1585,9 @@ int iwl_setup_mac(struct iwl_priv *priv) hw->flags = IEEE80211_HW_SIGNAL_DBM | IEEE80211_HW_NOISE_DBM | IEEE80211_HW_AMPDU_AGGREGATION | - IEEE80211_HW_SPECTRUM_MGMT; + IEEE80211_HW_SPECTRUM_MGMT | + IEEE80211_HW_SUPPORTS_PS | + IEEE80211_HW_SUPPORTS_DYNAMIC_PS; hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_ADHOC); @@ -1335,6 +1597,12 @@ int iwl_setup_mac(struct iwl_priv *priv) /* Firmware does not support this */ hw->wiphy->disable_beacon_hints = true; + /* + * For now, disable PS by default because it affects + * RX performance significantly. + */ + hw->wiphy->ps_default = false; + hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX; /* we create the 802.11 header and a zero-length SSID element */ hw->wiphy->max_scan_ie_len = IWL_MAX_PROBE_REQUEST - 24 - 2; @@ -1364,7 +1632,6 @@ EXPORT_SYMBOL(iwl_setup_mac); int iwl_set_hw_params(struct iwl_priv *priv) { - priv->hw_params.sw_crypto = priv->cfg->mod_params->sw_crypto; 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) @@ -1373,6 +1640,8 @@ int iwl_set_hw_params(struct iwl_priv *priv) priv->hw_params.rx_buf_size = IWL_RX_BUF_SIZE_4K; priv->hw_params.max_pkt_size = priv->hw_params.rx_buf_size - 256; + priv->hw_params.max_beacon_itrvl = IWL_MAX_UCODE_BEACON_INTERVAL; + if (priv->cfg->mod_params->disable_11n) priv->cfg->sku &= ~IWL_SKU_N; @@ -1419,9 +1688,10 @@ int iwl_init_drv(struct iwl_priv *priv) priv->qos_data.qos_cap.val = 0; priv->rates_mask = IWL_RATES_MASK; - /* If power management is turned on, default to CAM mode */ - priv->power_mode = IWL_POWER_MODE_CAM; - priv->tx_power_user_lmt = IWL_TX_POWER_TARGET_POWER_MAX; + /* 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 = IWL_TX_POWER_TARGET_POWER_MIN; ret = iwl_init_channel_map(priv); if (ret) { @@ -1448,6 +1718,8 @@ EXPORT_SYMBOL(iwl_init_drv); int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force) { int ret = 0; + s8 prev_tx_power = priv->tx_power_user_lmt; + if (tx_power < IWL_TX_POWER_TARGET_POWER_MIN) { IWL_WARN(priv, "Requested user TXPOWER %d below lower limit %d.\n", tx_power, @@ -1455,25 +1727,37 @@ int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force) return -EINVAL; } - if (tx_power > IWL_TX_POWER_TARGET_POWER_MAX) { - IWL_WARN(priv, "Requested user TXPOWER %d above upper limit %d.\n", - tx_power, - IWL_TX_POWER_TARGET_POWER_MAX); + if (tx_power > priv->tx_power_device_lmt) { + IWL_WARN(priv, + "Requested user TXPOWER %d above upper limit %d.\n", + tx_power, priv->tx_power_device_lmt); return -EINVAL; } if (priv->tx_power_user_lmt != tx_power) force = true; - priv->tx_power_user_lmt = tx_power; - /* if nic is not up don't send command */ - if (!iwl_is_ready_rf(priv)) - return ret; - - if (force && priv->cfg->ops->lib->send_tx_power) - ret = priv->cfg->ops->lib->send_tx_power(priv); + if (iwl_is_ready_rf(priv)) { + priv->tx_power_user_lmt = tx_power; + if (force && priv->cfg->ops->lib->send_tx_power) + ret = priv->cfg->ops->lib->send_tx_power(priv); + else if (!priv->cfg->ops->lib->send_tx_power) + ret = -EOPNOTSUPP; + /* + * if fail to set tx_power, restore the orig. tx power + */ + if (ret) + priv->tx_power_user_lmt = prev_tx_power; + } + /* + * Even this is an async host command, the command + * will always report success from uCode + * So once driver can placing the command into the queue + * successfully, driver can use priv->tx_power_user_lmt + * to reflect the current tx power + */ return ret; } EXPORT_SYMBOL(iwl_set_tx_power); @@ -1487,31 +1771,6 @@ void iwl_uninit_drv(struct iwl_priv *priv) } EXPORT_SYMBOL(iwl_uninit_drv); - -void iwl_disable_interrupts(struct iwl_priv *priv) -{ - clear_bit(STATUS_INT_ENABLED, &priv->status); - - /* disable interrupts from uCode/NIC to host */ - iwl_write32(priv, CSR_INT_MASK, 0x00000000); - - /* acknowledge/clear/reset any interrupts still pending - * from uCode or flow handler (Rx/Tx DMA) */ - iwl_write32(priv, CSR_INT, 0xffffffff); - iwl_write32(priv, CSR_FH_INT_STATUS, 0xffffffff); - IWL_DEBUG_ISR(priv, "Disabled interrupts\n"); -} -EXPORT_SYMBOL(iwl_disable_interrupts); - -void iwl_enable_interrupts(struct iwl_priv *priv) -{ - IWL_DEBUG_ISR(priv, "Enabling interrupts\n"); - set_bit(STATUS_INT_ENABLED, &priv->status); - iwl_write32(priv, CSR_INT_MASK, priv->inta_mask); -} -EXPORT_SYMBOL(iwl_enable_interrupts); - - #define ICT_COUNT (PAGE_SIZE/sizeof(u32)) /* Free dram table */ @@ -1581,7 +1840,7 @@ int iwl_reset_ict(struct iwl_priv *priv) spin_lock_irqsave(&priv->lock, flags); iwl_disable_interrupts(priv); - memset(&priv->ict_tbl[0],0, sizeof(u32) * ICT_COUNT); + memset(&priv->ict_tbl[0], 0, sizeof(u32) * ICT_COUNT); val = priv->aligned_ict_tbl_dma >> PAGE_SHIFT; @@ -1659,13 +1918,13 @@ irqreturn_t iwl_isr_ict(int irq, void *data) /* read all entries that not 0 start with ict_index */ while (priv->ict_tbl[priv->ict_index]) { - val |= priv->ict_tbl[priv->ict_index]; + val |= le32_to_cpu(priv->ict_tbl[priv->ict_index]); IWL_DEBUG_ISR(priv, "ICT index %d value 0x%08X\n", - priv->ict_index, - priv->ict_tbl[priv->ict_index]); + priv->ict_index, + le32_to_cpu(priv->ict_tbl[priv->ict_index])); priv->ict_tbl[priv->ict_index] = 0; priv->ict_index = iwl_queue_inc_wrap(priv->ict_index, - ICT_COUNT); + ICT_COUNT); } @@ -1745,7 +2004,7 @@ static irqreturn_t iwl_isr(int irq, void *data) } #ifdef CONFIG_IWLWIFI_DEBUG - if (priv->debug_level & (IWL_DL_ISR)) { + if (iwl_get_debug_level(priv) & (IWL_DL_ISR)) { inta_fh = iwl_read32(priv, CSR_FH_INT_STATUS); IWL_DEBUG_ISR(priv, "ISR inta 0x%08x, enabled 0x%08x, " "fh 0x%08x\n", inta, inta_mask, inta_fh); @@ -1852,7 +2111,7 @@ int iwl_send_statistics_request(struct iwl_priv *priv, u8 flags) u32 stat_flags = 0; struct iwl_host_cmd cmd = { .id = REPLY_STATISTICS_CMD, - .meta.flags = flags, + .flags = flags, .len = sizeof(stat_flags), .data = (u8 *) &stat_flags, }; @@ -1984,194 +2243,10 @@ int iwl_verify_ucode(struct iwl_priv *priv) EXPORT_SYMBOL(iwl_verify_ucode); -static const char *desc_lookup_text[] = { - "OK", - "FAIL", - "BAD_PARAM", - "BAD_CHECKSUM", - "NMI_INTERRUPT_WDG", - "SYSASSERT", - "FATAL_ERROR", - "BAD_COMMAND", - "HW_ERROR_TUNE_LOCK", - "HW_ERROR_TEMPERATURE", - "ILLEGAL_CHAN_FREQ", - "VCC_NOT_STABLE", - "FH_ERROR", - "NMI_INTERRUPT_HOST", - "NMI_INTERRUPT_ACTION_PT", - "NMI_INTERRUPT_UNKNOWN", - "UCODE_VERSION_MISMATCH", - "HW_ERROR_ABS_LOCK", - "HW_ERROR_CAL_LOCK_FAIL", - "NMI_INTERRUPT_INST_ACTION_PT", - "NMI_INTERRUPT_DATA_ACTION_PT", - "NMI_TRM_HW_ER", - "NMI_INTERRUPT_TRM", - "NMI_INTERRUPT_BREAK_POINT" - "DEBUG_0", - "DEBUG_1", - "DEBUG_2", - "DEBUG_3", - "UNKNOWN" -}; - -static const char *desc_lookup(int i) -{ - int max = ARRAY_SIZE(desc_lookup_text) - 1; - - if (i < 0 || i > max) - i = max; - - return desc_lookup_text[i]; -} - -#define ERROR_START_OFFSET (1 * sizeof(u32)) -#define ERROR_ELEM_SIZE (7 * sizeof(u32)) - -void iwl_dump_nic_error_log(struct iwl_priv *priv) -{ - u32 data2, line; - u32 desc, time, count, base, data1; - u32 blink1, blink2, ilink1, ilink2; - - 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.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); - return; - } - - count = iwl_read_targ_mem(priv, base); - - if (ERROR_START_OFFSET <= count * ERROR_ELEM_SIZE) { - IWL_ERR(priv, "Start IWL Error Log Dump:\n"); - IWL_ERR(priv, "Status: 0x%08lX, count: %d\n", - priv->status, count); - } - - desc = iwl_read_targ_mem(priv, base + 1 * 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)); - - IWL_ERR(priv, "Desc Time " - "data1 data2 line\n"); - IWL_ERR(priv, "%-28s (#%02d) %010u 0x%08X 0x%08X %u\n", - desc_lookup(desc), desc, time, data1, data2, line); - IWL_ERR(priv, "blink1 blink2 ilink1 ilink2\n"); - IWL_ERR(priv, "0x%05X 0x%05X 0x%05X 0x%05X\n", blink1, blink2, - ilink1, ilink2); - -} -EXPORT_SYMBOL(iwl_dump_nic_error_log); - -#define EVENT_START_OFFSET (4 * sizeof(u32)) - -/** - * 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) -{ - 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 */ - - if (num_events == 0) - return; - if (priv->ucode_type == UCODE_INIT) - base = le32_to_cpu(priv->card_alive_init.log_event_table_ptr); - else - 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); - - /* "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_targ_mem(priv, ptr); - ptr += sizeof(u32); - time = iwl_read_targ_mem(priv, ptr); - ptr += sizeof(u32); - if (mode == 0) { - /* data, ev */ - IWL_ERR(priv, "EVT_LOG:0x%08x:%04u\n", time, ev); - } else { - data = iwl_read_targ_mem(priv, ptr); - ptr += sizeof(u32); - IWL_ERR(priv, "EVT_LOGT:%010u:0x%08x:%04u\n", - time, data, ev); - } - } -} - -void iwl_dump_nic_event_log(struct iwl_priv *priv) -{ - 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 */ - - if (priv->ucode_type == UCODE_INIT) - base = le32_to_cpu(priv->card_alive_init.log_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)) { - IWL_ERR(priv, "Invalid event log pointer 0x%08X\n", base); - return; - } - - /* event log header */ - capacity = iwl_read_targ_mem(priv, base); - mode = iwl_read_targ_mem(priv, base + (1 * sizeof(u32))); - num_wraps = iwl_read_targ_mem(priv, base + (2 * sizeof(u32))); - next_entry = iwl_read_targ_mem(priv, base + (3 * sizeof(u32))); - - 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; - } - - 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); - -} -EXPORT_SYMBOL(iwl_dump_nic_event_log); - void iwl_rf_kill_ct_config(struct iwl_priv *priv) { struct iwl_ct_kill_config cmd; + struct iwl_ct_kill_throttling_config adv_cmd; unsigned long flags; int ret = 0; @@ -2179,18 +2254,44 @@ void iwl_rf_kill_ct_config(struct iwl_priv *priv) iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT); spin_unlock_irqrestore(&priv->lock, flags); + priv->thermal_throttle.ct_kill_toggle = false; + + switch (priv->hw_rev & CSR_HW_REV_TYPE_MSK) { + case CSR_HW_REV_TYPE_1000: + case CSR_HW_REV_TYPE_6x00: + case CSR_HW_REV_TYPE_6x50: + adv_cmd.critical_temperature_enter = + cpu_to_le32(priv->hw_params.ct_kill_threshold); + adv_cmd.critical_temperature_exit = + cpu_to_le32(priv->hw_params.ct_kill_exit_threshold); + + ret = iwl_send_cmd_pdu(priv, REPLY_CT_KILL_CONFIG_CMD, + sizeof(adv_cmd), &adv_cmd); + if (ret) + IWL_ERR(priv, "REPLY_CT_KILL_CONFIG_CMD failed\n"); + else + IWL_DEBUG_INFO(priv, "REPLY_CT_KILL_CONFIG_CMD " + "succeeded, " + "critical temperature enter is %d," + "exit is %d\n", + priv->hw_params.ct_kill_threshold, + priv->hw_params.ct_kill_exit_threshold); + break; + default: + cmd.critical_temperature_R = + cpu_to_le32(priv->hw_params.ct_kill_threshold); - cmd.critical_temperature_R = - cpu_to_le32(priv->hw_params.ct_kill_threshold); - - ret = iwl_send_cmd_pdu(priv, REPLY_CT_KILL_CONFIG_CMD, - sizeof(cmd), &cmd); - if (ret) - IWL_ERR(priv, "REPLY_CT_KILL_CONFIG_CMD failed\n"); - else - IWL_DEBUG_INFO(priv, "REPLY_CT_KILL_CONFIG_CMD succeeded, " - "critical temperature is %d\n", - cmd.critical_temperature_R); + ret = iwl_send_cmd_pdu(priv, REPLY_CT_KILL_CONFIG_CMD, + sizeof(cmd), &cmd); + if (ret) + IWL_ERR(priv, "REPLY_CT_KILL_CONFIG_CMD failed\n"); + else + IWL_DEBUG_INFO(priv, "REPLY_CT_KILL_CONFIG_CMD " + "succeeded, " + "critical temperature is %d\n", + priv->hw_params.ct_kill_threshold); + break; + } } EXPORT_SYMBOL(iwl_rf_kill_ct_config); @@ -2211,12 +2312,11 @@ int iwl_send_card_state(struct iwl_priv *priv, u32 flags, u8 meta_flag) .id = REPLY_CARD_STATE_CMD, .len = sizeof(u32), .data = &flags, - .meta.flags = meta_flag, + .flags = meta_flag, }; return iwl_send_cmd(priv, &cmd); } -EXPORT_SYMBOL(iwl_send_card_state); void iwl_rx_pm_sleep_notif(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) @@ -2234,10 +2334,11 @@ void iwl_rx_pm_debug_statistics_notif(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) { struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data; + u32 len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK; IWL_DEBUG_RADIO(priv, "Dumping %d bytes of unhandled " - "notification for %s:\n", - le32_to_cpu(pkt->len), get_cmd_string(pkt->hdr.cmd)); - iwl_print_hex_dump(priv, IWL_DL_RADIO, pkt->u.raw, le32_to_cpu(pkt->len)); + "notification for %s:\n", len, + get_cmd_string(pkt->hdr.cmd)); + iwl_print_hex_dump(priv, IWL_DL_RADIO, pkt->u.raw, len); } EXPORT_SYMBOL(iwl_rx_pm_debug_statistics_notif); @@ -2260,7 +2361,6 @@ void iwl_clear_isr_stats(struct iwl_priv *priv) { memset(&priv->isr_stats, 0, sizeof(priv->isr_stats)); } -EXPORT_SYMBOL(iwl_clear_isr_stats); int iwl_mac_conf_tx(struct ieee80211_hw *hw, u16 queue, const struct ieee80211_tx_queue_params *params) @@ -2333,39 +2433,10 @@ static void iwl_ht_conf(struct iwl_priv *priv, } ht_conf = &sta->ht_cap; - if (ht_conf->cap & IEEE80211_HT_CAP_SGI_20) - iwl_conf->sgf |= HT_SHORT_GI_20MHZ; - if (ht_conf->cap & IEEE80211_HT_CAP_SGI_40) - iwl_conf->sgf |= HT_SHORT_GI_40MHZ; - - iwl_conf->is_green_field = !!(ht_conf->cap & IEEE80211_HT_CAP_GRN_FLD); - iwl_conf->max_amsdu_size = - !!(ht_conf->cap & IEEE80211_HT_CAP_MAX_AMSDU); - - iwl_conf->supported_chan_width = - !!(ht_conf->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40); - - /* - * XXX: The HT configuration needs to be moved into iwl_mac_config() - * to be done there correctly. - */ - - iwl_conf->extension_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_NONE; - if (conf_is_ht40_minus(&priv->hw->conf)) - iwl_conf->extension_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_BELOW; - else if (conf_is_ht40_plus(&priv->hw->conf)) - iwl_conf->extension_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_ABOVE; - - /* If no above or below channel supplied disable FAT channel */ - if (iwl_conf->extension_chan_offset != IEEE80211_HT_PARAM_CHA_SEC_ABOVE && - iwl_conf->extension_chan_offset != IEEE80211_HT_PARAM_CHA_SEC_BELOW) - iwl_conf->supported_chan_width = 0; - iwl_conf->sm_ps = (u8)((ht_conf->cap & IEEE80211_HT_CAP_SM_PS) >> 2); memcpy(&iwl_conf->mcs, &ht_conf->mcs, 16); - iwl_conf->tx_chan_width = iwl_conf->supported_chan_width != 0; iwl_conf->ht_protection = bss_conf->ht_operation_mode & IEEE80211_HT_OP_MODE_PROTECTION; iwl_conf->non_GF_STA_present = @@ -2492,7 +2563,6 @@ void iwl_bss_info_changed(struct ieee80211_hw *hw, if (bss_conf->assoc) { priv->assoc_id = bss_conf->aid; priv->beacon_int = bss_conf->beacon_int; - priv->power_data.dtim_period = bss_conf->dtim_period; priv->timestamp = bss_conf->timestamp; priv->assoc_capability = bss_conf->assoc_capability; @@ -2679,6 +2749,7 @@ int iwl_mac_config(struct ieee80211_hw *hw, u32 changed) struct iwl_priv *priv = hw->priv; const struct iwl_channel_info *ch_info; struct ieee80211_conf *conf = &hw->conf; + struct iwl_ht_info *ht_conf = &priv->current_ht_config; unsigned long flags = 0; int ret = 0; u16 ch; @@ -2720,10 +2791,32 @@ int iwl_mac_config(struct ieee80211_hw *hw, u32 changed) goto set_ch_out; } - priv->current_ht_config.is_ht = conf_is_ht(conf); - spin_lock_irqsave(&priv->lock, flags); + /* Configure HT40 channels */ + ht_conf->is_ht = conf_is_ht(conf); + if (ht_conf->is_ht) { + if (conf_is_ht40_minus(conf)) { + ht_conf->extension_chan_offset = + IEEE80211_HT_PARAM_CHA_SEC_BELOW; + ht_conf->supported_chan_width = + IWL_CHANNEL_WIDTH_40MHZ; + } else if (conf_is_ht40_plus(conf)) { + ht_conf->extension_chan_offset = + IEEE80211_HT_PARAM_CHA_SEC_ABOVE; + ht_conf->supported_chan_width = + IWL_CHANNEL_WIDTH_40MHZ; + } else { + ht_conf->extension_chan_offset = + IEEE80211_HT_PARAM_CHA_SEC_NONE; + ht_conf->supported_chan_width = + IWL_CHANNEL_WIDTH_20MHZ; + } + } else + ht_conf->supported_chan_width = IWL_CHANNEL_WIDTH_20MHZ; + /* Default to no protection. Protection mode will later be set + * from BSS config in iwl_ht_conf */ + ht_conf->ht_protection = IEEE80211_HT_OP_MODE_PROTECTION_NONE; /* if we are switching from ht to 2.4 clear flags * from any ht related info since 2.4 does not @@ -2742,13 +2835,10 @@ int iwl_mac_config(struct ieee80211_hw *hw, u32 changed) iwl_set_rate(priv); } - if (changed & IEEE80211_CONF_CHANGE_PS && - priv->iw_mode == NL80211_IFTYPE_STATION) { - priv->power_data.power_disabled = - !(conf->flags & IEEE80211_CONF_PS); - ret = iwl_power_update_mode(priv, 0); + if (changed & IEEE80211_CONF_CHANGE_PS) { + ret = iwl_power_update_mode(priv, false); if (ret) - IWL_DEBUG_MAC80211(priv, "Error setting power level\n"); + IWL_DEBUG_MAC80211(priv, "Error setting sleep level\n"); } if (changed & IEEE80211_CONF_CHANGE_POWER) { @@ -2881,6 +2971,248 @@ void iwl_mac_reset_tsf(struct ieee80211_hw *hw) } EXPORT_SYMBOL(iwl_mac_reset_tsf); +#ifdef CONFIG_IWLWIFI_DEBUGFS + +#define IWL_TRAFFIC_DUMP_SIZE (IWL_TRAFFIC_ENTRY_SIZE * IWL_TRAFFIC_ENTRIES) + +void iwl_reset_traffic_log(struct iwl_priv *priv) +{ + priv->tx_traffic_idx = 0; + priv->rx_traffic_idx = 0; + if (priv->tx_traffic) + memset(priv->tx_traffic, 0, IWL_TRAFFIC_DUMP_SIZE); + if (priv->rx_traffic) + memset(priv->rx_traffic, 0, IWL_TRAFFIC_DUMP_SIZE); +} + +int iwl_alloc_traffic_mem(struct iwl_priv *priv) +{ + u32 traffic_size = IWL_TRAFFIC_DUMP_SIZE; + + if (iwl_debug_level & IWL_DL_TX) { + if (!priv->tx_traffic) { + priv->tx_traffic = + kzalloc(traffic_size, GFP_KERNEL); + if (!priv->tx_traffic) + return -ENOMEM; + } + } + if (iwl_debug_level & IWL_DL_RX) { + if (!priv->rx_traffic) { + priv->rx_traffic = + kzalloc(traffic_size, GFP_KERNEL); + if (!priv->rx_traffic) + return -ENOMEM; + } + } + iwl_reset_traffic_log(priv); + return 0; +} +EXPORT_SYMBOL(iwl_alloc_traffic_mem); + +void iwl_free_traffic_mem(struct iwl_priv *priv) +{ + kfree(priv->tx_traffic); + priv->tx_traffic = NULL; + + kfree(priv->rx_traffic); + priv->rx_traffic = NULL; +} +EXPORT_SYMBOL(iwl_free_traffic_mem); + +void iwl_dbg_log_tx_data_frame(struct iwl_priv *priv, + u16 length, struct ieee80211_hdr *header) +{ + __le16 fc; + u16 len; + + if (likely(!(iwl_debug_level & IWL_DL_TX))) + return; + + if (!priv->tx_traffic) + return; + + fc = header->frame_control; + if (ieee80211_is_data(fc)) { + len = (length > IWL_TRAFFIC_ENTRY_SIZE) + ? IWL_TRAFFIC_ENTRY_SIZE : length; + memcpy((priv->tx_traffic + + (priv->tx_traffic_idx * IWL_TRAFFIC_ENTRY_SIZE)), + header, len); + priv->tx_traffic_idx = + (priv->tx_traffic_idx + 1) % IWL_TRAFFIC_ENTRIES; + } +} +EXPORT_SYMBOL(iwl_dbg_log_tx_data_frame); + +void iwl_dbg_log_rx_data_frame(struct iwl_priv *priv, + u16 length, struct ieee80211_hdr *header) +{ + __le16 fc; + u16 len; + + if (likely(!(iwl_debug_level & IWL_DL_RX))) + return; + + if (!priv->rx_traffic) + return; + + fc = header->frame_control; + if (ieee80211_is_data(fc)) { + len = (length > IWL_TRAFFIC_ENTRY_SIZE) + ? IWL_TRAFFIC_ENTRY_SIZE : length; + memcpy((priv->rx_traffic + + (priv->rx_traffic_idx * IWL_TRAFFIC_ENTRY_SIZE)), + header, len); + priv->rx_traffic_idx = + (priv->rx_traffic_idx + 1) % IWL_TRAFFIC_ENTRIES; + } +} +EXPORT_SYMBOL(iwl_dbg_log_rx_data_frame); + +const char *get_mgmt_string(int cmd) +{ + switch (cmd) { + IWL_CMD(MANAGEMENT_ASSOC_REQ); + IWL_CMD(MANAGEMENT_ASSOC_RESP); + IWL_CMD(MANAGEMENT_REASSOC_REQ); + IWL_CMD(MANAGEMENT_REASSOC_RESP); + IWL_CMD(MANAGEMENT_PROBE_REQ); + IWL_CMD(MANAGEMENT_PROBE_RESP); + IWL_CMD(MANAGEMENT_BEACON); + IWL_CMD(MANAGEMENT_ATIM); + IWL_CMD(MANAGEMENT_DISASSOC); + IWL_CMD(MANAGEMENT_AUTH); + IWL_CMD(MANAGEMENT_DEAUTH); + IWL_CMD(MANAGEMENT_ACTION); + default: + return "UNKNOWN"; + + } +} + +const char *get_ctrl_string(int cmd) +{ + switch (cmd) { + IWL_CMD(CONTROL_BACK_REQ); + IWL_CMD(CONTROL_BACK); + IWL_CMD(CONTROL_PSPOLL); + IWL_CMD(CONTROL_RTS); + IWL_CMD(CONTROL_CTS); + IWL_CMD(CONTROL_ACK); + IWL_CMD(CONTROL_CFEND); + IWL_CMD(CONTROL_CFENDACK); + default: + return "UNKNOWN"; + + } +} + +void iwl_clear_tx_stats(struct iwl_priv *priv) +{ + memset(&priv->tx_stats, 0, sizeof(struct traffic_stats)); + +} + +void iwl_clear_rx_stats(struct iwl_priv *priv) +{ + memset(&priv->rx_stats, 0, sizeof(struct traffic_stats)); +} + +/* + * if CONFIG_IWLWIFI_DEBUGFS defined, iwl_update_stats function will + * record all the MGMT, CTRL and DATA pkt for both TX and Rx pass. + * Use debugFs to display the rx/rx_statistics + * if CONFIG_IWLWIFI_DEBUGFS not being defined, then no MGMT and CTRL + * information will be recorded, but DATA pkt still will be recorded + * for the reason of iwl_led.c need to control the led blinking based on + * number of tx and rx data. + * + */ +void iwl_update_stats(struct iwl_priv *priv, bool is_tx, __le16 fc, u16 len) +{ + struct traffic_stats *stats; + + if (is_tx) + stats = &priv->tx_stats; + else + stats = &priv->rx_stats; + + if (ieee80211_is_mgmt(fc)) { + switch (fc & cpu_to_le16(IEEE80211_FCTL_STYPE)) { + case cpu_to_le16(IEEE80211_STYPE_ASSOC_REQ): + stats->mgmt[MANAGEMENT_ASSOC_REQ]++; + break; + case cpu_to_le16(IEEE80211_STYPE_ASSOC_RESP): + stats->mgmt[MANAGEMENT_ASSOC_RESP]++; + break; + case cpu_to_le16(IEEE80211_STYPE_REASSOC_REQ): + stats->mgmt[MANAGEMENT_REASSOC_REQ]++; + break; + case cpu_to_le16(IEEE80211_STYPE_REASSOC_RESP): + stats->mgmt[MANAGEMENT_REASSOC_RESP]++; + break; + case cpu_to_le16(IEEE80211_STYPE_PROBE_REQ): + stats->mgmt[MANAGEMENT_PROBE_REQ]++; + break; + case cpu_to_le16(IEEE80211_STYPE_PROBE_RESP): + stats->mgmt[MANAGEMENT_PROBE_RESP]++; + break; + case cpu_to_le16(IEEE80211_STYPE_BEACON): + stats->mgmt[MANAGEMENT_BEACON]++; + break; + case cpu_to_le16(IEEE80211_STYPE_ATIM): + stats->mgmt[MANAGEMENT_ATIM]++; + break; + case cpu_to_le16(IEEE80211_STYPE_DISASSOC): + stats->mgmt[MANAGEMENT_DISASSOC]++; + break; + case cpu_to_le16(IEEE80211_STYPE_AUTH): + stats->mgmt[MANAGEMENT_AUTH]++; + break; + case cpu_to_le16(IEEE80211_STYPE_DEAUTH): + stats->mgmt[MANAGEMENT_DEAUTH]++; + break; + case cpu_to_le16(IEEE80211_STYPE_ACTION): + stats->mgmt[MANAGEMENT_ACTION]++; + break; + } + } else if (ieee80211_is_ctl(fc)) { + switch (fc & cpu_to_le16(IEEE80211_FCTL_STYPE)) { + case cpu_to_le16(IEEE80211_STYPE_BACK_REQ): + stats->ctrl[CONTROL_BACK_REQ]++; + break; + case cpu_to_le16(IEEE80211_STYPE_BACK): + stats->ctrl[CONTROL_BACK]++; + break; + case cpu_to_le16(IEEE80211_STYPE_PSPOLL): + stats->ctrl[CONTROL_PSPOLL]++; + break; + case cpu_to_le16(IEEE80211_STYPE_RTS): + stats->ctrl[CONTROL_RTS]++; + break; + case cpu_to_le16(IEEE80211_STYPE_CTS): + stats->ctrl[CONTROL_CTS]++; + break; + case cpu_to_le16(IEEE80211_STYPE_ACK): + stats->ctrl[CONTROL_ACK]++; + break; + case cpu_to_le16(IEEE80211_STYPE_CFEND): + stats->ctrl[CONTROL_CFEND]++; + break; + case cpu_to_le16(IEEE80211_STYPE_CFENDACK): + stats->ctrl[CONTROL_CFENDACK]++; + break; + } + } else { + /* data */ + stats->data_cnt++; + stats->data_bytes += len; + } +} +EXPORT_SYMBOL(iwl_update_stats); +#endif + #ifdef CONFIG_PM int iwl_pci_suspend(struct pci_dev *pdev, pm_message_t state) |