diff options
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-agn.c | 46 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-calib.c | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-commands.h | 7 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-core.c | 15 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-debug.h | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-debugfs.c | 83 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-dev.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-power.c | 317 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-power.h | 30 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl3945-base.c | 66 |
10 files changed, 256 insertions, 313 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index 319df4ab7f1..2232b1794e7 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -1606,7 +1606,7 @@ static void iwl_alive_start(struct iwl_priv *priv) set_bit(STATUS_READY, &priv->status); wake_up_interruptible(&priv->wait_command_queue); - iwl_power_update_mode(priv, 1); + iwl_power_update_mode(priv, true); /* reassociate for ADHOC mode */ if (priv->vif && (priv->iw_mode == NL80211_IFTYPE_ADHOC)) { @@ -2075,7 +2075,7 @@ void iwl_post_associate(struct iwl_priv *priv) * If chain noise has already been run, then we need to enable * power management here */ if (priv->chain_noise_data.state == IWL_CHAIN_NOISE_DONE) - iwl_power_update_mode(priv, 0); + iwl_power_update_mode(priv, false); /* Enable Rx differential gain and sensitivity calibrations */ iwl_chain_noise_reset(priv); @@ -2565,47 +2565,6 @@ static ssize_t store_filter_flags(struct device *d, static DEVICE_ATTR(filter_flags, S_IWUSR | S_IRUGO, show_filter_flags, store_filter_flags); -static ssize_t store_power_level(struct device *d, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct iwl_priv *priv = dev_get_drvdata(d); - int ret; - unsigned long mode; - - - mutex_lock(&priv->mutex); - - ret = strict_strtoul(buf, 10, &mode); - if (ret) - goto out; - - ret = iwl_power_set_user_mode(priv, mode); - if (ret) { - IWL_DEBUG_MAC80211(priv, "failed setting power mode.\n"); - goto out; - } - ret = count; - - out: - mutex_unlock(&priv->mutex); - return ret; -} - -static ssize_t show_power_level(struct device *d, - struct device_attribute *attr, char *buf) -{ - struct iwl_priv *priv = dev_get_drvdata(d); - int level = priv->power_data.power_mode; - char *p = buf; - - p += sprintf(p, "%d\n", level); - return p - buf + 1; -} - -static DEVICE_ATTR(power_level, S_IWUSR | S_IRUSR, show_power_level, - store_power_level); - static ssize_t show_statistics(struct device *d, struct device_attribute *attr, char *buf) @@ -2698,7 +2657,6 @@ static void iwl_cancel_deferred_work(struct iwl_priv *priv) static struct attribute *iwl_sysfs_entries[] = { &dev_attr_flags.attr, &dev_attr_filter_flags.attr, - &dev_attr_power_level.attr, &dev_attr_statistics.attr, &dev_attr_temperature.attr, &dev_attr_tx_power.attr, diff --git a/drivers/net/wireless/iwlwifi/iwl-calib.c b/drivers/net/wireless/iwlwifi/iwl-calib.c index 13180d6ee2f..c4b565a2de9 100644 --- a/drivers/net/wireless/iwlwifi/iwl-calib.c +++ b/drivers/net/wireless/iwlwifi/iwl-calib.c @@ -852,7 +852,7 @@ void iwl_chain_noise_calibration(struct iwl_priv *priv, priv->cfg->ops->lib->update_chain_flags(priv); data->state = IWL_CHAIN_NOISE_DONE; - iwl_power_update_mode(priv, 0); + iwl_power_update_mode(priv, false); } EXPORT_SYMBOL(iwl_chain_noise_calibration); diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h index 6188c54113b..68d7719071f 100644 --- a/drivers/net/wireless/iwlwifi/iwl-commands.h +++ b/drivers/net/wireless/iwlwifi/iwl-commands.h @@ -2313,15 +2313,22 @@ struct iwl_spectrum_notification { * PM allow: * bit 0 - '0' Driver not allow power management * '1' Driver allow PM (use rest of parameters) + * * uCode send sleep notifications: * bit 1 - '0' Don't send sleep notification * '1' send sleep notification (SEND_PM_NOTIFICATION) + * * Sleep over DTIM * bit 2 - '0' PM have to walk up every DTIM * '1' PM could sleep over DTIM till listen Interval. + * * PCI power managed * bit 3 - '0' (PCI_CFG_LINK_CTRL & 0x1) * '1' !(PCI_CFG_LINK_CTRL & 0x1) + * + * Fast PD + * bit 4 - '1' Put radio to sleep when receiving frame for others + * * Force sleep Modes * bit 31/30- '00' use both mac/xtal sleeps * '01' force Mac sleep diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c index 36c6e16285d..af735128333 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.c +++ b/drivers/net/wireless/iwlwifi/iwl-core.c @@ -1568,7 +1568,8 @@ int iwl_setup_mac(struct iwl_priv *priv) IEEE80211_HW_NOISE_DBM | IEEE80211_HW_AMPDU_AGGREGATION | IEEE80211_HW_SPECTRUM_MGMT | - IEEE80211_HW_SUPPORTS_PS; + IEEE80211_HW_SUPPORTS_PS | + IEEE80211_HW_SUPPORTS_DYNAMIC_PS; hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_ADHOC); @@ -1663,8 +1664,6 @@ 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; ret = iwl_init_channel_map(priv); @@ -2551,7 +2550,6 @@ 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; @@ -2801,13 +2799,10 @@ 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) { diff --git a/drivers/net/wireless/iwlwifi/iwl-debug.h b/drivers/net/wireless/iwlwifi/iwl-debug.h index 82befb7ce99..723f38a023c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-debug.h +++ b/drivers/net/wireless/iwlwifi/iwl-debug.h @@ -88,6 +88,8 @@ struct iwl_debugfs { struct dentry *file_led; #endif struct dentry *file_disable_ht40; + struct dentry *file_sleep_level_override; + struct dentry *file_current_sleep_command; } dbgfs_data_files; struct dir_rf_files { struct dentry *file_disable_sensitivity; diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c index 7b578d41101..f68fb4711da 100644 --- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c +++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c @@ -776,6 +776,83 @@ static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file, return ret; } +static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_priv *priv = file->private_data; + char buf[8]; + int buf_size; + int value; + + memset(buf, 0, sizeof(buf)); + buf_size = min(count, sizeof(buf) - 1); + if (copy_from_user(buf, user_buf, buf_size)) + return -EFAULT; + + if (sscanf(buf, "%d", &value) != 1) + return -EINVAL; + + /* + * Our users expect 0 to be "CAM", but 0 isn't actually + * valid here. However, let's not confuse them and present + * IWL_POWER_INDEX_1 as "1", not "0". + */ + if (value > 0) + value -= 1; + + if (value != -1 && (value < 0 || value >= IWL_POWER_NUM)) + return -EINVAL; + + priv->power_data.debug_sleep_level_override = value; + + iwl_power_update_mode(priv, false); + + return count; +} + +static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_priv *priv = (struct iwl_priv *)file->private_data; + char buf[10]; + int pos, value; + const size_t bufsz = sizeof(buf); + + /* see the write function */ + value = priv->power_data.debug_sleep_level_override; + if (value >= 0) + value += 1; + + pos = scnprintf(buf, bufsz, "%d\n", value); + return simple_read_from_buffer(user_buf, count, ppos, buf, pos); +} + +static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_priv *priv = (struct iwl_priv *)file->private_data; + char buf[200]; + int pos = 0, i; + const size_t bufsz = sizeof(buf); + struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd; + + pos += scnprintf(buf + pos, bufsz - pos, + "flags: %#.2x\n", le16_to_cpu(cmd->flags)); + pos += scnprintf(buf + pos, bufsz - pos, + "RX/TX timeout: %d/%d usec\n", + le32_to_cpu(cmd->rx_data_timeout), + le32_to_cpu(cmd->tx_data_timeout)); + for (i = 0; i < IWL_POWER_VEC_SIZE; i++) + pos += scnprintf(buf + pos, bufsz - pos, + "sleep_interval[%d]: %d\n", i, + le32_to_cpu(cmd->sleep_interval[i])); + + return simple_read_from_buffer(user_buf, count, ppos, buf, pos); +} + DEBUGFS_READ_WRITE_FILE_OPS(sram); DEBUGFS_WRITE_FILE_OPS(log_event); DEBUGFS_READ_FILE_OPS(nvm); @@ -789,6 +866,8 @@ DEBUGFS_READ_FILE_OPS(led); #endif DEBUGFS_READ_FILE_OPS(thermal_throttling); DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40); +DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override); +DEBUGFS_READ_FILE_OPS(current_sleep_command); static ssize_t iwl_dbgfs_traffic_log_read(struct file *file, char __user *user_buf, @@ -1533,6 +1612,8 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name) #ifdef CONFIG_IWLWIFI_LEDS DEBUGFS_ADD_FILE(led, data); #endif + DEBUGFS_ADD_FILE(sleep_level_override, data); + DEBUGFS_ADD_FILE(current_sleep_command, data); DEBUGFS_ADD_FILE(thermal_throttling, data); DEBUGFS_ADD_FILE(disable_ht40, data); DEBUGFS_ADD_FILE(rx_statistics, debug); @@ -1572,6 +1653,8 @@ void iwl_dbgfs_unregister(struct iwl_priv *priv) if (!priv->dbgfs) return; + DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_sleep_level_override); + DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_current_sleep_command); DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_nvm); DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_sram); DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_log_event); diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h index 1aa2ae6d075..b96c3c9e92a 100644 --- a/drivers/net/wireless/iwlwifi/iwl-dev.h +++ b/drivers/net/wireless/iwlwifi/iwl-dev.h @@ -1119,7 +1119,6 @@ struct iwl_priv { /* context information */ u16 rates_mask; - u32 power_mode; u8 bssid[ETH_ALEN]; u16 rts_threshold; u8 mac_addr[ETH_ALEN]; diff --git a/drivers/net/wireless/iwlwifi/iwl-power.c b/drivers/net/wireless/iwlwifi/iwl-power.c index 27ad59d8643..0b16841f45f 100644 --- a/drivers/net/wireless/iwlwifi/iwl-power.c +++ b/drivers/net/wireless/iwlwifi/iwl-power.c @@ -42,20 +42,35 @@ #include "iwl-power.h" /* - * Setting power level allow the card to go to sleep when not busy. + * Setting power level allows the card to go to sleep when not busy. * - * The power level is set to INDEX_1 (the least deep state) by - * default, and will, in the future, be the deepest state unless - * otherwise required by pm_qos network latency requirements. - * - * Using INDEX_1 without pm_qos is ok because mac80211 will disable - * PS when even checking every beacon for the TIM bit would exceed - * the required latency. + * We calculate a sleep command based on the required latency, which + * we get from mac80211. In order to handle thermal throttling, we can + * also use pre-defined power levels. */ -#define IWL_POWER_RANGE_0_MAX (2) -#define IWL_POWER_RANGE_1_MAX (10) +/* + * For now, keep using power level 1 instead of automatically + * adjusting ... + */ +bool no_sleep_autoadjust = true; +module_param(no_sleep_autoadjust, bool, S_IRUGO); +MODULE_PARM_DESC(no_sleep_autoadjust, + "don't automatically adjust sleep level " + "according to maximum network latency"); +/* + * This defines the old power levels. They are still used by default + * (level 1) and for thermal throttle (levels 3 through 5) + */ + +struct iwl_power_vec_entry { + struct iwl_powertable_cmd cmd; + u8 no_dtim; +}; + +#define IWL_DTIM_RANGE_0_MAX 2 +#define IWL_DTIM_RANGE_1_MAX 10 #define NOSLP cpu_to_le16(0), 0, 0 #define SLP IWL_POWER_DRIVER_ALLOW_SLEEP_MSK, 0, 0 @@ -67,9 +82,8 @@ cpu_to_le32(X3), \ cpu_to_le32(X4)} /* default power management (not Tx power) table values */ -/* for DTIM period 0 through IWL_POWER_RANGE_0_MAX */ +/* for DTIM period 0 through IWL_DTIM_RANGE_0_MAX */ static const struct iwl_power_vec_entry range_0[IWL_POWER_NUM] = { - {{NOSLP, SLP_TOUT(0), SLP_TOUT(0), SLP_VEC(0, 0, 0, 0, 0)}, 0}, {{SLP, SLP_TOUT(200), SLP_TOUT(500), SLP_VEC(1, 2, 2, 2, 0xFF)}, 0}, {{SLP, SLP_TOUT(200), SLP_TOUT(300), SLP_VEC(1, 2, 2, 2, 0xFF)}, 0}, {{SLP, SLP_TOUT(50), SLP_TOUT(100), SLP_VEC(2, 2, 2, 2, 0xFF)}, 0}, @@ -78,9 +92,8 @@ static const struct iwl_power_vec_entry range_0[IWL_POWER_NUM] = { }; -/* for DTIM period IWL_POWER_RANGE_0_MAX + 1 through IWL_POWER_RANGE_1_MAX */ +/* for DTIM period IWL_DTIM_RANGE_0_MAX + 1 through IWL_DTIM_RANGE_1_MAX */ static const struct iwl_power_vec_entry range_1[IWL_POWER_NUM] = { - {{NOSLP, SLP_TOUT(0), SLP_TOUT(0), SLP_VEC(0, 0, 0, 0, 0)}, 0}, {{SLP, SLP_TOUT(200), SLP_TOUT(500), SLP_VEC(1, 2, 3, 4, 4)}, 0}, {{SLP, SLP_TOUT(200), SLP_TOUT(300), SLP_VEC(1, 2, 3, 4, 7)}, 0}, {{SLP, SLP_TOUT(50), SLP_TOUT(100), SLP_VEC(2, 4, 6, 7, 9)}, 0}, @@ -88,9 +101,8 @@ static const struct iwl_power_vec_entry range_1[IWL_POWER_NUM] = { {{SLP, SLP_TOUT(25), SLP_TOUT(25), SLP_VEC(2, 4, 7, 10, 10)}, 2} }; -/* for DTIM period > IWL_POWER_RANGE_1_MAX */ +/* for DTIM period > IWL_DTIM_RANGE_1_MAX */ static const struct iwl_power_vec_entry range_2[IWL_POWER_NUM] = { - {{NOSLP, SLP_TOUT(0), SLP_TOUT(0), SLP_VEC(0, 0, 0, 0, 0)}, 0}, {{SLP, SLP_TOUT(200), SLP_TOUT(500), SLP_VEC(1, 2, 3, 4, 0xFF)}, 0}, {{SLP, SLP_TOUT(200), SLP_TOUT(300), SLP_VEC(2, 4, 6, 7, 0xFF)}, 0}, {{SLP, SLP_TOUT(50), SLP_TOUT(100), SLP_VEC(2, 7, 9, 9, 0xFF)}, 0}, @@ -98,6 +110,56 @@ static const struct iwl_power_vec_entry range_2[IWL_POWER_NUM] = { {{SLP, SLP_TOUT(25), SLP_TOUT(25), SLP_VEC(4, 7, 10, 10, 0xFF)}, 0} }; +static void iwl_static_sleep_cmd(struct iwl_priv *priv, + struct iwl_powertable_cmd *cmd, + enum iwl_power_level lvl, int period) +{ + const struct iwl_power_vec_entry *table; + int max_sleep, i; + bool skip; + + table = range_2; + if (period < IWL_DTIM_RANGE_1_MAX) + table = range_1; + if (period < IWL_DTIM_RANGE_0_MAX) + table = range_0; + + BUG_ON(lvl < 0 || lvl >= IWL_POWER_NUM); + + *cmd = table[lvl].cmd; + + if (period == 0) { + skip = false; + period = 1; + } else { + skip = !!table[lvl].no_dtim; + } + + if (skip) { + __le32 slp_itrvl = cmd->sleep_interval[IWL_POWER_VEC_SIZE - 1]; + max_sleep = le32_to_cpu(slp_itrvl); + if (max_sleep == 0xFF) + max_sleep = period * (skip + 1); + else if (max_sleep > period) + max_sleep = (le32_to_cpu(slp_itrvl) / period) * period; + cmd->flags |= IWL_POWER_SLEEP_OVER_DTIM_MSK; + } else { + max_sleep = period; + cmd->flags &= ~IWL_POWER_SLEEP_OVER_DTIM_MSK; + } + + for (i = 0; i < IWL_POWER_VEC_SIZE; i++) + if (le32_to_cpu(cmd->sleep_interval[i]) > max_sleep) + cmd->sleep_interval[i] = cpu_to_le32(max_sleep); + + if (priv->power_data.pci_pm) + cmd->flags |= IWL_POWER_PCI_PM_MSK; + else + cmd->flags &= ~IWL_POWER_PCI_PM_MSK; + + IWL_DEBUG_POWER(priv, "Sleep command for index %d\n", lvl + 1); +} + /* default Thermal Throttling transaction table * Current state | Throttling Down | Throttling Up *============================================================================= @@ -138,98 +200,44 @@ static const struct iwl_tt_restriction restriction_range[IWL_TI_STATE_MAX] = { {IWL_ANT_OK_NONE, IWL_ANT_OK_NONE, false } }; -/* set card power command */ -static int iwl_set_power(struct iwl_priv *priv, void *cmd) -{ - return iwl_send_cmd_pdu(priv, POWER_TABLE_CMD, - sizeof(struct iwl_powertable_cmd), cmd); -} -/* initialize to default */ -static void iwl_power_init_handle(struct iwl_priv *priv) +static void iwl_power_sleep_cam_cmd(struct iwl_priv *priv, + struct iwl_powertable_cmd *cmd) { - struct iwl_power_mgr *pow_data; - int size = sizeof(struct iwl_power_vec_entry) * IWL_POWER_NUM; - struct iwl_powertable_cmd *cmd; - int i; - u16 lctl; - - IWL_DEBUG_POWER(priv, "Initialize power \n"); - - pow_data = &priv->power_data; - - memset(pow_data, 0, sizeof(*pow_data)); - - memcpy(&pow_data->pwr_range_0[0], &range_0[0], size); - memcpy(&pow_data->pwr_range_1[0], &range_1[0], size); - memcpy(&pow_data->pwr_range_2[0], &range_2[0], size); - - lctl = iwl_pcie_link_ctl(priv); + memset(cmd, 0, sizeof(*cmd)); - IWL_DEBUG_POWER(priv, "adjust power command flags\n"); + if (priv->power_data.pci_pm) + cmd->flags |= IWL_POWER_PCI_PM_MSK; - for (i = 0; i < IWL_POWER_NUM; i++) { - cmd = &pow_data->pwr_range_0[i].cmd; - - if (lctl & PCI_CFG_LINK_CTRL_VAL_L0S_EN) - cmd->flags &= ~IWL_POWER_PCI_PM_MSK; - else - cmd->flags |= IWL_POWER_PCI_PM_MSK; - } + IWL_DEBUG_POWER(priv, "Sleep command for CAM\n"); } -/* adjust power command according to DTIM period and power level*/ -static int iwl_update_power_cmd(struct iwl_priv *priv, - struct iwl_powertable_cmd *cmd, u16 mode) +static void iwl_power_fill_sleep_cmd(struct iwl_priv *priv, + struct iwl_powertable_cmd *cmd, + int dynps_ms, int wakeup_period) { - struct iwl_power_vec_entry *range; - struct iwl_power_mgr *pow_data; int i; - u32 max_sleep = 0; - u8 period; - bool skip; - if (mode > IWL_POWER_INDEX_5) { - IWL_DEBUG_POWER(priv, "Error invalid power mode \n"); - return -EINVAL; - } + memset(cmd, 0, sizeof(*cmd)); - pow_data = &priv->power_data; + cmd->flags = IWL_POWER_DRIVER_ALLOW_SLEEP_MSK | + IWL_POWER_FAST_PD; /* no use seeing frames for others */ - if (pow_data->dtim_period <= IWL_POWER_RANGE_0_MAX) - range = &pow_data->pwr_range_0[0]; - else if (pow_data->dtim_period <= IWL_POWER_RANGE_1_MAX) - range = &pow_data->pwr_range_1[0]; - else - range = &pow_data->pwr_range_2[0]; + if (priv->power_data.pci_pm) + cmd->flags |= IWL_POWER_PCI_PM_MSK; - period = pow_data->dtim_period; - memcpy(cmd, &range[mode].cmd, sizeof(struct iwl_powertable_cmd)); - - if (period == 0) { - period = 1; - skip = false; - } else { - skip = !!range[mode].no_dtim; - } - - if (skip) { - __le32 slp_itrvl = cmd->sleep_interval[IWL_POWER_VEC_SIZE - 1]; - max_sleep = le32_to_cpu(slp_itrvl); - if (max_sleep == 0xFF) - max_sleep = period * (skip + 1); - else if (max_sleep > period) - max_sleep = (le32_to_cpu(slp_itrvl) / period) * period; - cmd->flags |= IWL_POWER_SLEEP_OVER_DTIM_MSK; - } else { - max_sleep = period; - cmd->flags &= ~IWL_POWER_SLEEP_OVER_DTIM_MSK; - } + cmd->rx_data_timeout = cpu_to_le32(1000 * dynps_ms); + cmd->tx_data_timeout = cpu_to_le32(1000 * dynps_ms); for (i = 0; i < IWL_POWER_VEC_SIZE; i++) - if (le32_to_cpu(cmd->sleep_interval[i]) > max_sleep) - cmd->sleep_interval[i] = cpu_to_le32(max_sleep); + cmd->sleep_interval[i] = cpu_to_le32(wakeup_period); + + IWL_DEBUG_POWER(priv, "Automatic sleep command\n"); +} +static int iwl_set_power(struct iwl_priv *priv, struct iwl_powertable_cmd *cmd) +{ + IWL_DEBUG_POWER(priv, "Sending power/sleep command\n"); IWL_DEBUG_POWER(priv, "Flags value = 0x%08X\n", cmd->flags); IWL_DEBUG_POWER(priv, "Tx timeout = %u\n", le32_to_cpu(cmd->tx_data_timeout)); IWL_DEBUG_POWER(priv, "Rx timeout = %u\n", le32_to_cpu(cmd->rx_data_timeout)); @@ -240,50 +248,54 @@ static int iwl_update_power_cmd(struct iwl_priv *priv, le32_to_cpu(cmd->sleep_interval[3]), le32_to_cpu(cmd->sleep_interval[4])); - return 0; + return iwl_send_cmd_pdu(priv, POWER_TABLE_CMD, + sizeof(struct iwl_powertable_cmd), cmd); } -/* - * compute the final power mode index - */ int iwl_power_update_mode(struct iwl_priv *priv, bool force) { - struct iwl_power_mgr *setting = &(priv->power_data); int ret = 0; struct iwl_tt_mgmt *tt = &priv->thermal_throttle; - u16 uninitialized_var(final_mode); + bool enabled = (priv->iw_mode == NL80211_IFTYPE_STATION) && + (priv->hw->conf.flags & IEEE80211_CONF_PS); bool update_chains; + struct iwl_powertable_cmd cmd; + int dtimper; /* Don't update the RX chain when chain noise calibration is running */ update_chains = priv->chain_noise_data.state == IWL_CHAIN_NOISE_DONE || priv->chain_noise_data.state == IWL_CHAIN_NOISE_ALIVE; - final_mode = priv->power_data.user_power_setting; - - if (setting->power_disabled) - final_mode = IWL_POWER_MODE_CAM; + if (priv->vif) + dtimper = priv->vif->bss_conf.dtim_period; + else + dtimper = 1; + + /* TT power setting overwrites everything */ + if (tt->state >= IWL_TI_1) + iwl_static_sleep_cmd(priv, &cmd, tt->tt_power_mode, dtimper); + else if (!enabled) + iwl_power_sleep_cam_cmd(priv, &cmd); + else if (priv->power_data.debug_sleep_level_override >= 0) + iwl_static_sleep_cmd(priv, &cmd, + priv->power_data.debug_sleep_level_override, + dtimper); + else if (no_sleep_autoadjust) + iwl_static_sleep_cmd(priv, &cmd, IWL_POWER_INDEX_1, dtimper); + else + iwl_power_fill_sleep_cmd(priv, &cmd, + priv->hw->conf.dynamic_ps_timeout, + priv->hw->conf.max_sleep_period); - if (tt->state >= IWL_TI_1) { - /* TT power setting overwrite user & system power setting */ - final_mode = tt->tt_power_mode; - } if (iwl_is_ready_rf(priv) && - ((setting->power_mode != final_mode) || force)) { - struct iwl_powertable_cmd cmd; - - if (final_mode != IWL_POWER_MODE_CAM) + (memcmp(&priv->power_data.sleep_cmd, &cmd, sizeof(cmd)) || force)) { + if (cmd.flags & IWL_POWER_DRIVER_ALLOW_SLEEP_MSK) set_bit(STATUS_POWER_PMI, &priv->status); - iwl_update_power_cmd(priv, &cmd, final_mode); - cmd.keep_alive_beacons = 0; - - if (final_mode == IWL_POWER_INDEX_5) - cmd.flags |= IWL_POWER_FAST_PD; - ret = iwl_set_power(priv, &cmd); if (!ret) { - if (final_mode == IWL_POWER_MODE_CAM) + if (!(cmd.flags & IWL_POWER_DRIVER_ALLOW_SLEEP_MSK)) clear_bit(STATUS_POWER_PMI, &priv->status); if (priv->cfg->ops->lib->update_chain_flags && @@ -294,7 +306,7 @@ int iwl_power_update_mode(struct iwl_priv *priv, bool force) "Cannot update the power, chain noise " "calibration running: %d\n", priv->chain_noise_data.state); - setting->power_mode = final_mode; + memcpy(&priv->power_data.sleep_cmd, &cmd, sizeof(cmd)); } else IWL_ERR(priv, "set power fail, ret = %d", ret); } @@ -303,18 +315,6 @@ int iwl_power_update_mode(struct iwl_priv *priv, bool force) } EXPORT_SYMBOL(iwl_power_update_mode); -/* set user_power_setting */ -int iwl_power_set_user_mode(struct iwl_priv *priv, u16 mode) -{ - if (mode >= IWL_POWER_NUM) - return -EINVAL; - - priv->power_data.user_power_setting = mode; - - return iwl_power_update_mode(priv, 0); -} -EXPORT_SYMBOL(iwl_power_set_user_mode); - bool iwl_ht_enabled(struct iwl_priv *priv) { struct iwl_tt_mgmt *tt = &priv->thermal_throttle; @@ -349,7 +349,6 @@ enum iwl_antenna_ok iwl_rx_ant_restriction(struct iwl_priv *priv) restriction = tt->restriction + tt->state; return restriction->rx_stream; } -EXPORT_SYMBOL(iwl_rx_ant_restriction); #define CT_KILL_EXIT_DURATION (5) /* 5 seconds duration */ @@ -429,7 +428,6 @@ static void iwl_legacy_tt_handler(struct iwl_priv *priv, s32 temp) { struct iwl_tt_mgmt *tt = &priv->thermal_throttle; enum iwl_tt_state old_state; - struct iwl_power_mgr *setting = &priv->power_data; #ifdef CONFIG_IWLWIFI_DEBUG if ((tt->tt_previous_temp) && @@ -456,24 +454,13 @@ static void iwl_legacy_tt_handler(struct iwl_priv *priv, s32 temp) tt->tt_previous_temp = temp; #endif if (tt->state != old_state) { - if (old_state == IWL_TI_0) { - tt->sys_power_mode = setting->power_mode; - IWL_DEBUG_POWER(priv, "current power mode: %u\n", - setting->power_mode); - } switch (tt->state) { case IWL_TI_0: - /* when system ready to go back to IWL_TI_0 state - * using system power mode instead of TT power mode - * revert back to the orginal power mode which was saved - * before enter Thermal Throttling state - * update priv->power_data.user_power_setting to the - * required power mode to make sure - * iwl_power_update_mode() will update power correctly. + /* + * When the system is ready to go back to IWL_TI_0 + * we only have to call iwl_power_update_mode() to + * do so. */ - priv->power_data.user_power_setting = - tt->sys_power_mode; - tt->tt_power_mode = tt->sys_power_mode; break; case IWL_TI_1: tt->tt_power_mode = IWL_POWER_INDEX_3; @@ -576,13 +563,8 @@ static void iwl_advance_tt_handler(struct iwl_priv *priv, s32 temp) } if (changed) { struct iwl_rxon_cmd *rxon = &priv->staging_rxon; - struct iwl_power_mgr *setting = &priv->power_data; if (tt->state >= IWL_TI_1) { - /* if switching from IWL_TI_0 to other TT state - * save previous power setting in tt->sys_power_mode */ - if (old_state == IWL_TI_0) - tt->sys_power_mode = setting->power_mode; /* force PI = IWL_POWER_INDEX_5 in the case of TI > 0 */ tt->tt_power_mode = IWL_POWER_INDEX_5; if (!iwl_ht_enabled(priv)) @@ -599,17 +581,11 @@ static void iwl_advance_tt_handler(struct iwl_priv *priv, s32 temp) } } else { - /* restore system power setting */ - /* the previous power mode was saved in - * tt->sys_power_mode when system move into - * Thermal Throttling state - * set power_data.user_power_setting to the previous - * system power mode to make sure power will get - * updated correctly + /* + * restore system power setting -- it will be + * recalculated automatically. */ - priv->power_data.user_power_setting = - tt->sys_power_mode; - tt->tt_power_mode = tt->sys_power_mode; + /* check HT capability and set * according to the system HT capability * in case get disabled before */ @@ -761,7 +737,6 @@ EXPORT_SYMBOL(iwl_tt_handler); void iwl_tt_initialize(struct iwl_priv *priv) { struct iwl_tt_mgmt *tt = &priv->thermal_throttle; - struct iwl_power_mgr *setting = &priv->power_data; int size = sizeof(struct iwl_tt_trans) * (IWL_TI_STATE_MAX - 1); struct iwl_tt_trans *transaction; @@ -770,8 +745,6 @@ void iwl_tt_initialize(struct iwl_priv *priv) memset(tt, 0, sizeof(struct iwl_tt_mgmt)); tt->state = IWL_TI_0; - tt->sys_power_mode = setting->power_mode; - tt->tt_power_mode = tt->sys_power_mode; init_timer(&priv->thermal_throttle.ct_kill_exit_tm); priv->thermal_throttle.ct_kill_exit_tm.data = (unsigned long)priv; priv->thermal_throttle.ct_kill_exit_tm.function = iwl_tt_check_exit_ct_kill; @@ -849,9 +822,13 @@ EXPORT_SYMBOL(iwl_tt_exit); /* initialize to default */ void iwl_power_initialize(struct iwl_priv *priv) { - iwl_power_init_handle(priv); - priv->power_data.user_power_setting = IWL_POWER_INDEX_1; - /* default to disabled until mac80211 says otherwise */ - priv->power_data.power_disabled = 1; + u16 lctl = iwl_pcie_link_ctl(priv); + + priv->power_data.pci_pm = !(lctl & PCI_CFG_LINK_CTRL_VAL_L0S_EN); + + priv->power_data.debug_sleep_level_override = -1; + + memset(&priv->power_data.sleep_cmd, 0, + sizeof(priv->power_data.sleep_cmd)); } EXPORT_SYMBOL(iwl_power_initialize); diff --git a/drivers/net/wireless/iwlwifi/iwl-power.h b/drivers/net/wireless/iwlwifi/iwl-power.h index 15e3eabd2e8..df6f6a49712 100644 --- a/drivers/net/wireless/iwlwifi/iwl-power.h +++ b/drivers/net/wireless/iwlwifi/iwl-power.h @@ -28,11 +28,8 @@ #ifndef __iwl_power_setting_h__ #define __iwl_power_setting_h__ -#include <net/mac80211.h> #include "iwl-commands.h" -struct iwl_priv; - #define IWL_ABSOLUTE_ZERO 0 #define IWL_ABSOLUTE_MAX 0xFFFFFFFF #define IWL_TT_INCREASE_MARGIN 5 @@ -93,8 +90,6 @@ struct iwl_tt_trans { * when thermal throttling state != IWL_TI_0 * the tt_power_mode should set to different * power mode based on the current tt state - * @sys_power_mode: previous system power mode - * before transition into TT state * @tt_previous_temperature: last measured temperature * @iwl_tt_restriction: ptr to restriction tbl, used by advance * thermal throttling to determine how many tx/rx streams @@ -108,7 +103,6 @@ struct iwl_tt_mgmt { enum iwl_tt_state state; bool advanced_tt; u8 tt_power_mode; - u8 sys_power_mode; bool ct_kill_toggle; #ifdef CONFIG_IWLWIFI_DEBUG s32 tt_previous_temp; @@ -118,8 +112,7 @@ struct iwl_tt_mgmt { struct timer_list ct_kill_exit_tm; }; -enum { - IWL_POWER_MODE_CAM, /* Continuously Aware Mode, always on */ +enum iwl_power_level { IWL_POWER_INDEX_1, IWL_POWER_INDEX_2, IWL_POWER_INDEX_3, @@ -128,26 +121,13 @@ enum { IWL_POWER_NUM }; -/* Power management (not Tx power) structures */ - -struct iwl_power_vec_entry { - struct iwl_powertable_cmd cmd; - u8 no_dtim; -}; - struct iwl_power_mgr { - struct iwl_power_vec_entry pwr_range_0[IWL_POWER_NUM]; - struct iwl_power_vec_entry pwr_range_1[IWL_POWER_NUM]; - struct iwl_power_vec_entry pwr_range_2[IWL_POWER_NUM]; - u32 dtim_period; - /* final power level that used to calculate final power command */ - u8 power_mode; - u8 user_power_setting; /* set by user through sysfs */ - u8 power_disabled; /* set by mac80211's CONF_PS */ + struct iwl_powertable_cmd sleep_cmd; + int debug_sleep_level_override; + bool pci_pm; }; int iwl_power_update_mode(struct iwl_priv *priv, bool force); -int iwl_power_set_user_mode(struct iwl_priv *priv, u16 mode); bool iwl_ht_enabled(struct iwl_priv *priv); enum iwl_antenna_ok iwl_tx_ant_restriction(struct iwl_priv *priv); enum iwl_antenna_ok iwl_rx_ant_restriction(struct iwl_priv *priv); @@ -158,4 +138,6 @@ void iwl_tt_initialize(struct iwl_priv *priv); void iwl_tt_exit(struct iwl_priv *priv); void iwl_power_initialize(struct iwl_priv *priv); +extern bool no_sleep_autoadjust; + #endif /* __iwl_power_setting_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index e5fa672e839..e617411d0c5 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -3554,65 +3554,6 @@ static DEVICE_ATTR(retry_rate, S_IWUSR | S_IRUSR, show_retry_rate, store_retry_rate); -static ssize_t store_power_level(struct device *d, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct iwl_priv *priv = dev_get_drvdata(d); - int ret; - unsigned long mode; - - - mutex_lock(&priv->mutex); - - ret = strict_strtoul(buf, 10, &mode); - if (ret) - goto out; - - ret = iwl_power_set_user_mode(priv, mode); - if (ret) { - IWL_DEBUG_MAC80211(priv, "failed setting power mode.\n"); - goto out; - } - ret = count; - - out: - mutex_unlock(&priv->mutex); - return ret; -} - -static ssize_t show_power_level(struct device *d, - struct device_attribute *attr, char *buf) -{ - struct iwl_priv *priv = dev_get_drvdata(d); - int level = priv->power_data.power_mode; - char *p = buf; - - p += sprintf(p, "%d\n", level); - return p - buf + 1; -} - -static DEVICE_ATTR(power_level, S_IWUSR | S_IRUSR, - show_power_level, store_power_level); - -#define MAX_WX_STRING 80 - -/* Values are in microsecond */ -static const s32 timeout_duration[] = { - 350000, - 250000, - 75000, - 37000, - 25000, -}; -static const s32 period_duration[] = { - 400000, - 700000, - 1000000, - 1000000, - 1000000 -}; - static ssize_t show_channels(struct device *d, struct device_attribute *attr, char *buf) { @@ -3789,7 +3730,6 @@ static struct attribute *iwl3945_sysfs_entries[] = { #ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT &dev_attr_measurement.attr, #endif - &dev_attr_power_level.attr, &dev_attr_retry_rate.attr, &dev_attr_statistics.attr, &dev_attr_status.attr, @@ -3854,8 +3794,6 @@ static int iwl3945_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_DEFAULT_TX_POWER; if (eeprom->version < EEPROM_3945_EEPROM_VERSION) { @@ -3902,7 +3840,9 @@ static int iwl3945_setup_mac(struct iwl_priv *priv) /* Tell mac80211 our characteristics */ hw->flags = IEEE80211_HW_SIGNAL_DBM | IEEE80211_HW_NOISE_DBM | - 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) | |