diff options
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/constants.h | 3 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/debugfs.c | 8 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/fw-api-power.h | 8 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/mvm.h | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/power.c | 35 |
5 files changed, 54 insertions, 2 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/constants.h b/drivers/net/wireless/iwlwifi/mvm/constants.h index 33f98fc..2bf29f7 100644 --- a/drivers/net/wireless/iwlwifi/mvm/constants.h +++ b/drivers/net/wireless/iwlwifi/mvm/constants.h @@ -73,5 +73,8 @@ #define IWL_MVM_PS_HEAVY_RX_THLD_PACKETS 20 #define IWL_MVM_PS_HEAVY_TX_THLD_PERCENT 50 #define IWL_MVM_PS_HEAVY_RX_THLD_PERCENT 50 +#define IWL_MVM_PS_SNOOZE_INTERVAL 25 +#define IWL_MVM_PS_SNOOZE_WINDOW 50 +#define IWL_MVM_WOWLAN_PS_SNOOZE_WINDOW 25 #endif /* __MVM_CONSTANTS_H */ diff --git a/drivers/net/wireless/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/iwlwifi/mvm/debugfs.c index c67b17a..2e60be2 100644 --- a/drivers/net/wireless/iwlwifi/mvm/debugfs.c +++ b/drivers/net/wireless/iwlwifi/mvm/debugfs.c @@ -352,6 +352,10 @@ static void iwl_dbgfs_update_pm(struct iwl_mvm *mvm, IWL_DEBUG_POWER(mvm, "lprx_rssi_threshold=%d\n", val); dbgfs_pm->lprx_rssi_threshold = val; break; + case MVM_DEBUGFS_PM_SNOOZE_ENABLE: + IWL_DEBUG_POWER(mvm, "snooze_enable=%d\n", val); + dbgfs_pm->snooze_ena = val; + break; } } @@ -405,6 +409,10 @@ static ssize_t iwl_dbgfs_pm_params_write(struct file *file, POWER_LPRX_RSSI_THRESHOLD_MIN) return -EINVAL; param = MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD; + } else if (!strncmp("snooze_enable=", buf, 14)) { + if (sscanf(buf + 14, "%d", &val) != 1) + return -EINVAL; + param = MVM_DEBUGFS_PM_SNOOZE_ENABLE; } else { return -EINVAL; } diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-power.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-power.h index bb010b3..8e7ab41 100644 --- a/drivers/net/wireless/iwlwifi/mvm/fw-api-power.h +++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-power.h @@ -155,8 +155,12 @@ struct iwl_powertable_cmd { * @lprx_rssi_threshold: Signal strength up to which LP RX can be enabled. * Default: 80dbm * @num_skip_dtim: Number of DTIMs to skip if Skip over DTIM flag is set - * @snooze_interval: TBD - * @snooze_window: TBD + * @snooze_interval: Maximum time between attempts to retrieve buffered data + * from the AP [msec] + * @snooze_window: A window of time in which PBW snoozing insures that all + * packets received. It is also the minimum time from last + * received unicast RX packet, before client stops snoozing + * for data. [msec] * @snooze_step: TBD * @qndp_tid: TID client shall use for uAPSD QNDP triggers * @uapsd_ac_flags: Set trigger-enabled and delivery-enabled indication for diff --git a/drivers/net/wireless/iwlwifi/mvm/mvm.h b/drivers/net/wireless/iwlwifi/mvm/mvm.h index ee46dea..0f33d7f 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/iwlwifi/mvm/mvm.h @@ -180,6 +180,7 @@ enum iwl_dbgfs_pm_mask { MVM_DEBUGFS_PM_DISABLE_POWER_OFF = BIT(5), MVM_DEBUGFS_PM_LPRX_ENA = BIT(6), MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD = BIT(7), + MVM_DEBUGFS_PM_SNOOZE_ENABLE = BIT(8), }; struct iwl_dbgfs_pm { @@ -191,6 +192,7 @@ struct iwl_dbgfs_pm { bool disable_power_off; bool lprx_ena; u32 lprx_rssi_threshold; + bool snooze_ena; int mask; }; diff --git a/drivers/net/wireless/iwlwifi/mvm/power.c b/drivers/net/wireless/iwlwifi/mvm/power.c index a5529b85..21407a3 100644 --- a/drivers/net/wireless/iwlwifi/mvm/power.c +++ b/drivers/net/wireless/iwlwifi/mvm/power.c @@ -301,6 +301,20 @@ static void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm, cpu_to_le32(IWL_MVM_UAPSD_RX_DATA_TIMEOUT); cmd->tx_data_timeout_uapsd = cpu_to_le32(IWL_MVM_UAPSD_TX_DATA_TIMEOUT); + + if (cmd->uapsd_ac_flags == (BIT(IEEE80211_AC_VO) | + BIT(IEEE80211_AC_VI) | + BIT(IEEE80211_AC_BE) | + BIT(IEEE80211_AC_BK))) { + cmd->flags |= cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK); + cmd->snooze_interval = + cpu_to_le16(IWL_MVM_PS_SNOOZE_INTERVAL); + cmd->snooze_window = + (mvm->cur_ucode == IWL_UCODE_WOWLAN) ? + cpu_to_le16(IWL_MVM_WOWLAN_PS_SNOOZE_WINDOW) : + cpu_to_le16(IWL_MVM_PS_SNOOZE_WINDOW); + } + cmd->uapsd_max_sp = IWL_UAPSD_MAX_SP; cmd->heavy_tx_thld_packets = IWL_MVM_PS_HEAVY_TX_THLD_PACKETS; @@ -340,6 +354,14 @@ static void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm, } if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD) cmd->lprx_rssi_threshold = mvmvif->dbgfs_pm.lprx_rssi_threshold; + if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SNOOZE_ENABLE) { + if (mvmvif->dbgfs_pm.snooze_ena) + cmd->flags |= + cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK); + else + cmd->flags &= + cpu_to_le16(~POWER_FLAGS_SNOOZE_ENA_MSK); + } #endif /* CONFIG_IWLWIFI_DEBUGFS */ } @@ -475,6 +497,19 @@ static int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, pos += scnprintf(buf+pos, bufsz-pos, "heavy_rx_thld_percentage = %d\n", cmd.heavy_rx_thld_percentage); + pos += + scnprintf(buf+pos, bufsz-pos, "snooze_enable = %d\n", + (cmd.flags & + cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)) ? + 1 : 0); + } + if (cmd.flags & cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)) { + pos += scnprintf(buf+pos, bufsz-pos, + "snooze_interval = %d\n", + cmd.snooze_interval); + pos += scnprintf(buf+pos, bufsz-pos, + "snooze_window = %d\n", + cmd.snooze_window); } } return pos; |
