diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm/power.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/power.c | 318 |
1 files changed, 178 insertions, 140 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/power.c b/drivers/net/wireless/iwlwifi/mvm/power.c index 550824aa84ea..1817b2aa9eff 100644 --- a/drivers/net/wireless/iwlwifi/mvm/power.c +++ b/drivers/net/wireless/iwlwifi/mvm/power.c @@ -186,6 +186,92 @@ static void iwl_mvm_power_log(struct iwl_mvm *mvm, } } +static void iwl_mvm_power_configure_uapsd(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct iwl_mac_power_cmd *cmd) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + enum ieee80211_ac_numbers ac; + bool tid_found = false; + + for (ac = IEEE80211_AC_VO; ac <= IEEE80211_AC_BK; ac++) { + if (!mvmvif->queue_params[ac].uapsd) + continue; + + if (mvm->cur_ucode != IWL_UCODE_WOWLAN) + cmd->flags |= + cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK); + + cmd->uapsd_ac_flags |= BIT(ac); + + /* QNDP TID - the highest TID with no admission control */ + if (!tid_found && !mvmvif->queue_params[ac].acm) { + tid_found = true; + switch (ac) { + case IEEE80211_AC_VO: + cmd->qndp_tid = 6; + break; + case IEEE80211_AC_VI: + cmd->qndp_tid = 5; + break; + case IEEE80211_AC_BE: + cmd->qndp_tid = 0; + break; + case IEEE80211_AC_BK: + cmd->qndp_tid = 1; + break; + } + } + } + + if (!(cmd->flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK))) + return; + + cmd->flags |= cpu_to_le16(POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK); + + 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; + + if (mvm->cur_ucode == IWL_UCODE_WOWLAN || cmd->flags & + cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)) { + cmd->rx_data_timeout_uapsd = + cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT); + cmd->tx_data_timeout_uapsd = + cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT); + } else { + cmd->rx_data_timeout_uapsd = + 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->flags & cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)) { + cmd->heavy_tx_thld_packets = + IWL_MVM_PS_SNOOZE_HEAVY_TX_THLD_PACKETS; + cmd->heavy_rx_thld_packets = + IWL_MVM_PS_SNOOZE_HEAVY_RX_THLD_PACKETS; + } else { + cmd->heavy_tx_thld_packets = + IWL_MVM_PS_HEAVY_TX_THLD_PACKETS; + cmd->heavy_rx_thld_packets = + IWL_MVM_PS_HEAVY_RX_THLD_PACKETS; + } + cmd->heavy_tx_thld_percentage = + IWL_MVM_PS_HEAVY_TX_THLD_PERCENT; + cmd->heavy_rx_thld_percentage = + IWL_MVM_PS_HEAVY_RX_THLD_PERCENT; +} + static void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct iwl_mac_power_cmd *cmd) @@ -198,8 +284,6 @@ static void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm, bool radar_detect = false; struct iwl_mvm_vif *mvmvif __maybe_unused = iwl_mvm_vif_from_mac80211(vif); - enum ieee80211_ac_numbers ac; - bool tid_found = false; cmd->id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, mvmvif->color)); @@ -269,81 +353,9 @@ static void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm, cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT); } - for (ac = IEEE80211_AC_VO; ac <= IEEE80211_AC_BK; ac++) { - if (!mvmvif->queue_params[ac].uapsd) - continue; - - if (mvm->cur_ucode != IWL_UCODE_WOWLAN) - cmd->flags |= - cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK); - - cmd->uapsd_ac_flags |= BIT(ac); - - /* QNDP TID - the highest TID with no admission control */ - if (!tid_found && !mvmvif->queue_params[ac].acm) { - tid_found = true; - switch (ac) { - case IEEE80211_AC_VO: - cmd->qndp_tid = 6; - break; - case IEEE80211_AC_VI: - cmd->qndp_tid = 5; - break; - case IEEE80211_AC_BE: - cmd->qndp_tid = 0; - break; - case IEEE80211_AC_BK: - cmd->qndp_tid = 1; - break; - } - } - } - - if (cmd->flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK)) { - 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; - - if (mvm->cur_ucode == IWL_UCODE_WOWLAN || cmd->flags & - cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)) { - cmd->rx_data_timeout_uapsd = - cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT); - cmd->tx_data_timeout_uapsd = - cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT); - } else { - cmd->rx_data_timeout_uapsd = - 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->flags & cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)) { - cmd->heavy_tx_thld_packets = - IWL_MVM_PS_SNOOZE_HEAVY_TX_THLD_PACKETS; - cmd->heavy_rx_thld_packets = - IWL_MVM_PS_SNOOZE_HEAVY_RX_THLD_PACKETS; - } else { - cmd->heavy_tx_thld_packets = - IWL_MVM_PS_HEAVY_TX_THLD_PACKETS; - cmd->heavy_rx_thld_packets = - IWL_MVM_PS_HEAVY_RX_THLD_PACKETS; - } - cmd->heavy_tx_thld_percentage = - IWL_MVM_PS_HEAVY_TX_THLD_PERCENT; - cmd->heavy_rx_thld_percentage = - IWL_MVM_PS_HEAVY_RX_THLD_PERCENT; - } + if (memcmp(mvmvif->uapsd_misbehaving_bssid, vif->bss_conf.bssid, + ETH_ALEN)) + iwl_mvm_power_configure_uapsd(mvm, vif, cmd); #ifdef CONFIG_IWLWIFI_DEBUGFS if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_KEEP_ALIVE) @@ -472,6 +484,44 @@ static int iwl_mvm_power_update_device(struct iwl_mvm *mvm) &cmd); } +void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + + if (memcmp(vif->bss_conf.bssid, mvmvif->uapsd_misbehaving_bssid, + ETH_ALEN)) + memset(mvmvif->uapsd_misbehaving_bssid, 0, ETH_ALEN); +} + +static void iwl_mvm_power_uapsd_misbehav_ap_iterator(void *_data, u8 *mac, + struct ieee80211_vif *vif) +{ + u8 *ap_sta_id = _data; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + + /* The ap_sta_id is not expected to change during current association + * so no explicit protection is needed + */ + if (mvmvif->ap_sta_id == *ap_sta_id) + memcpy(mvmvif->uapsd_misbehaving_bssid, vif->bss_conf.bssid, + ETH_ALEN); +} + +int iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb, + struct iwl_device_cmd *cmd) +{ + struct iwl_rx_packet *pkt = rxb_addr(rxb); + struct iwl_uapsd_misbehaving_ap_notif *notif = (void *)pkt->data; + u8 ap_sta_id = le32_to_cpu(notif->sta_id); + + ieee80211_iterate_active_interfaces_atomic( + mvm->hw, IEEE80211_IFACE_ITER_NORMAL, + iwl_mvm_power_uapsd_misbehav_ap_iterator, &ap_sta_id); + + return 0; +} + #ifdef CONFIG_IWLWIFI_DEBUGFS static int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, struct ieee80211_vif *vif, char *buf, @@ -494,70 +544,58 @@ static int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, pos += scnprintf(buf+pos, bufsz-pos, "keep_alive = %d\n", le16_to_cpu(cmd.keep_alive_seconds)); - if (cmd.flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK)) { - pos += scnprintf(buf+pos, bufsz-pos, "skip_over_dtim = %d\n", - (cmd.flags & - cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK)) ? - 1 : 0); - pos += scnprintf(buf+pos, bufsz-pos, "skip_dtim_periods = %d\n", - cmd.skip_dtim_periods); - if (!(cmd.flags & - cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK))) { - pos += scnprintf(buf+pos, bufsz-pos, - "rx_data_timeout = %d\n", - le32_to_cpu(cmd.rx_data_timeout)); - pos += scnprintf(buf+pos, bufsz-pos, - "tx_data_timeout = %d\n", - le32_to_cpu(cmd.tx_data_timeout)); - } - if (cmd.flags & cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK)) - pos += scnprintf(buf+pos, bufsz-pos, - "lprx_rssi_threshold = %d\n", - cmd.lprx_rssi_threshold); - if (cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK)) { - pos += - scnprintf(buf+pos, bufsz-pos, - "rx_data_timeout_uapsd = %d\n", - le32_to_cpu(cmd.rx_data_timeout_uapsd)); - pos += - scnprintf(buf+pos, bufsz-pos, - "tx_data_timeout_uapsd = %d\n", - le32_to_cpu(cmd.tx_data_timeout_uapsd)); - pos += scnprintf(buf+pos, bufsz-pos, "qndp_tid = %d\n", - cmd.qndp_tid); - pos += scnprintf(buf+pos, bufsz-pos, - "uapsd_ac_flags = 0x%x\n", - cmd.uapsd_ac_flags); - pos += scnprintf(buf+pos, bufsz-pos, - "uapsd_max_sp = %d\n", - cmd.uapsd_max_sp); - pos += scnprintf(buf+pos, bufsz-pos, - "heavy_tx_thld_packets = %d\n", - cmd.heavy_tx_thld_packets); - pos += scnprintf(buf+pos, bufsz-pos, - "heavy_rx_thld_packets = %d\n", - cmd.heavy_rx_thld_packets); - pos += scnprintf(buf+pos, bufsz-pos, - "heavy_tx_thld_percentage = %d\n", - cmd.heavy_tx_thld_percentage); - 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); - } + if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK))) + return pos; + + pos += scnprintf(buf+pos, bufsz-pos, "skip_over_dtim = %d\n", + (cmd.flags & + cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK)) ? 1 : 0); + pos += scnprintf(buf+pos, bufsz-pos, "skip_dtim_periods = %d\n", + cmd.skip_dtim_periods); + if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK))) { + pos += scnprintf(buf+pos, bufsz-pos, "rx_data_timeout = %d\n", + le32_to_cpu(cmd.rx_data_timeout)); + pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout = %d\n", + le32_to_cpu(cmd.tx_data_timeout)); } + if (cmd.flags & cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK)) + pos += scnprintf(buf+pos, bufsz-pos, + "lprx_rssi_threshold = %d\n", + cmd.lprx_rssi_threshold); + + if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK))) + return pos; + + pos += scnprintf(buf+pos, bufsz-pos, "rx_data_timeout_uapsd = %d\n", + le32_to_cpu(cmd.rx_data_timeout_uapsd)); + pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout_uapsd = %d\n", + le32_to_cpu(cmd.tx_data_timeout_uapsd)); + pos += scnprintf(buf+pos, bufsz-pos, "qndp_tid = %d\n", cmd.qndp_tid); + pos += scnprintf(buf+pos, bufsz-pos, "uapsd_ac_flags = 0x%x\n", + cmd.uapsd_ac_flags); + pos += scnprintf(buf+pos, bufsz-pos, "uapsd_max_sp = %d\n", + cmd.uapsd_max_sp); + pos += scnprintf(buf+pos, bufsz-pos, "heavy_tx_thld_packets = %d\n", + cmd.heavy_tx_thld_packets); + pos += scnprintf(buf+pos, bufsz-pos, "heavy_rx_thld_packets = %d\n", + cmd.heavy_rx_thld_packets); + pos += scnprintf(buf+pos, bufsz-pos, "heavy_tx_thld_percentage = %d\n", + cmd.heavy_tx_thld_percentage); + pos += scnprintf(buf+pos, bufsz-pos, "heavy_rx_thld_percentage = %d\n", + cmd.heavy_rx_thld_percentage); + pos += scnprintf(buf+pos, bufsz-pos, "uapsd_misbehaving_enable = %d\n", + (cmd.flags & + cpu_to_le16(POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK)) ? + 1 : 0); + + if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK))) + return pos; + + 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; } |