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fuchsia / drivers / wlan / intel / iwlwifi / 265b92042ab03780b15c36199924bdb337405870 / . / third_party / iwlwifi / mvm / power.c
blob: 7f2bc7db3bf1bc1612e1c8764e9ac32d28790ab0 [file] [log] [blame]
/******************************************************************************
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
* Copyright(c) 2015 - 2017 Intel Deutschland GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*****************************************************************************/
// A note about the data structure of power management and saving.
//
// * In each MAC interface (the 'struct iwl_mvm_vif'), there are 2 fields related to this:
//
// - pm_enabled: indicates whether the power management is allowed on this interface.
// It is only enabled in some condition (e.g. only one mode is active).
// See iwl_mvm_power_set_pm() for details.
//
// - ps_disabled: indicates that this interface requires power saving to be disabled.
//
// * For an MVM (the 'struct iwl_mvm'), there is also a field called 'ps_disable' to
// indicate if the power save is allowed. It is obvious that this field aggregates
// the 'ps_disabled' of all interfaces. If any of interface PS is disabled, the MVM PS
// is disabled as well.
//
#include "third_party/iwlwifi/fw/api/power.h"
#include <zircon/status.h>
#include "third_party/iwlwifi/platform/ieee80211.h"
#include "third_party/iwlwifi/iwl-debug.h"
#include "third_party/iwlwifi/iwl-modparams.h"
#include "third_party/iwlwifi/mvm/constants.h"
#include "third_party/iwlwifi/mvm/mvm.h"
#define POWER_KEEP_ALIVE_PERIOD_SEC 25
static int iwl_mvm_beacon_filter_send_cmd(struct iwl_mvm* mvm, struct iwl_beacon_filter_cmd* cmd,
uint32_t flags) {
IWL_DEBUG_POWER(mvm, "ba_enable_beacon_abort is: %d\n", le32_to_cpu(cmd->ba_enable_beacon_abort));
IWL_DEBUG_POWER(mvm, "ba_escape_timer is: %d\n", le32_to_cpu(cmd->ba_escape_timer));
IWL_DEBUG_POWER(mvm, "bf_debug_flag is: %d\n", le32_to_cpu(cmd->bf_debug_flag));
IWL_DEBUG_POWER(mvm, "bf_enable_beacon_filter is: %d\n",
le32_to_cpu(cmd->bf_enable_beacon_filter));
IWL_DEBUG_POWER(mvm, "bf_energy_delta is: %d\n", le32_to_cpu(cmd->bf_energy_delta));
IWL_DEBUG_POWER(mvm, "bf_escape_timer is: %d\n", le32_to_cpu(cmd->bf_escape_timer));
IWL_DEBUG_POWER(mvm, "bf_roaming_energy_delta is: %d\n",
le32_to_cpu(cmd->bf_roaming_energy_delta));
IWL_DEBUG_POWER(mvm, "bf_roaming_state is: %d\n", le32_to_cpu(cmd->bf_roaming_state));
IWL_DEBUG_POWER(mvm, "bf_temp_threshold is: %d\n", le32_to_cpu(cmd->bf_temp_threshold));
IWL_DEBUG_POWER(mvm, "bf_temp_fast_filter is: %d\n", le32_to_cpu(cmd->bf_temp_fast_filter));
IWL_DEBUG_POWER(mvm, "bf_temp_slow_filter is: %d\n", le32_to_cpu(cmd->bf_temp_slow_filter));
return iwl_mvm_send_cmd_pdu(mvm, REPLY_BEACON_FILTERING_CMD, flags,
sizeof(struct iwl_beacon_filter_cmd), cmd);
}
static void iwl_mvm_beacon_filter_set_cqm_params(struct iwl_mvm_vif* mvmvif,
struct iwl_beacon_filter_cmd* cmd, bool d0i3) {
#if 0 // NEEDS_PORTING
if (vif->bss_conf.cqm_rssi_thold && !d0i3) {
cmd->bf_energy_delta = cpu_to_le32(vif->bss_conf.cqm_rssi_hyst);
/* fw uses an absolute value for this */
cmd->bf_roaming_state = cpu_to_le32(-vif->bss_conf.cqm_rssi_thold);
}
#endif // NEEDS_PORTING
cmd->ba_enable_beacon_abort = cpu_to_le32(mvmvif->bf_data.ba_enabled);
}
static void iwl_mvm_power_log(struct iwl_mvm* mvm, struct iwl_mac_power_cmd* cmd) {
IWL_DEBUG_POWER(mvm,
"Sending power table command on mac id 0x%X for power level %d, flags = 0x%X\n",
cmd->id_and_color, iwlmvm_mod_params.power_scheme, le16_to_cpu(cmd->flags));
IWL_DEBUG_POWER(mvm, "Keep alive = %u sec\n", le16_to_cpu(cmd->keep_alive_seconds));
if (!(cmd->flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK))) {
IWL_DEBUG_POWER(mvm, "Disable power management\n");
return;
}
IWL_DEBUG_POWER(mvm, "Rx timeout = %u usec\n", le32_to_cpu(cmd->rx_data_timeout));
IWL_DEBUG_POWER(mvm, "Tx timeout = %u usec\n", le32_to_cpu(cmd->tx_data_timeout));
if (cmd->flags & cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK)) {
IWL_DEBUG_POWER(mvm, "DTIM periods to skip = %u\n", cmd->skip_dtim_periods);
}
if (cmd->flags & cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK)) {
IWL_DEBUG_POWER(mvm, "LP RX RSSI threshold = %u\n", cmd->lprx_rssi_threshold);
}
if (cmd->flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK)) {
IWL_DEBUG_POWER(mvm, "uAPSD enabled\n");
IWL_DEBUG_POWER(mvm, "Rx timeout (uAPSD) = %u usec\n", le32_to_cpu(cmd->rx_data_timeout_uapsd));
IWL_DEBUG_POWER(mvm, "Tx timeout (uAPSD) = %u usec\n", le32_to_cpu(cmd->tx_data_timeout_uapsd));
IWL_DEBUG_POWER(mvm, "QNDP TID = %d\n", cmd->qndp_tid);
IWL_DEBUG_POWER(mvm, "ACs flags = 0x%x\n", cmd->uapsd_ac_flags);
IWL_DEBUG_POWER(mvm, "Max SP = %d\n", cmd->uapsd_max_sp);
}
}
#if 0 // NEEDS_PORTING
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;
#ifdef CPTCFG_IWLWIFI_DEBUGFS
/* set advanced pm flag with no uapsd ACs to enable ps-poll */
if (mvmvif->dbgfs_pm.use_ps_poll) {
cmd->flags |= cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK);
return;
}
#endif
#ifdef CPTCFG_IWLWIFI_SUPPORT_DEBUG_OVERRIDES
if (mvm->trans->dbg_cfg.MVM_USE_PS_POLL) {
cmd->flags |= cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK);
return;
}
#endif
for (ac = IEEE80211_AC_VO; ac <= IEEE80211_AC_BK; ac++) {
if (!mvmvif->queue_params[ac].uapsd) {
continue;
}
if (mvm->fwrt.cur_fw_img != 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;
}
}
}
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->fwrt.cur_fw_img == IWL_UCODE_WOWLAN)
? cpu_to_le16(IWL_MVM_WOWLAN_PS_SNOOZE_WINDOW)
: cpu_to_le16(IWL_MVM_PS_SNOOZE_WINDOW);
}
cmd->uapsd_max_sp = mvm->hw->uapsd_max_sp_len;
if (mvm->fwrt.cur_fw_img == 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;
}
struct iwl_allow_uapsd_iface_iterator_data {
struct ieee80211_vif* current_vif;
bool allow_uapsd;
};
static void iwl_mvm_allow_uapsd_iterator(void* _data, uint8_t* mac, struct ieee80211_vif* vif) {
struct iwl_allow_uapsd_iface_iterator_data* data = _data;
struct iwl_mvm_vif* other_mvmvif = iwl_mvm_vif_from_mac80211(vif);
struct iwl_mvm_vif* curr_mvmvif = iwl_mvm_vif_from_mac80211(data->current_vif);
/* exclude the given vif */
if (vif == data->current_vif) {
return;
}
switch (vif->type) {
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_ADHOC:
case NL80211_IFTYPE_NAN:
data->allow_uapsd = false;
break;
case NL80211_IFTYPE_STATION:
/* allow UAPSD if P2P interface and BSS station interface share
* the same channel.
*/
if (vif->bss_conf.assoc && other_mvmvif->phy_ctxt && curr_mvmvif->phy_ctxt &&
(other_mvmvif->phy_ctxt->id != curr_mvmvif->phy_ctxt->id)) {
data->allow_uapsd = false;
}
break;
default:
break;
}
}
static bool iwl_mvm_power_allow_uapsd(struct iwl_mvm* mvm, struct ieee80211_vif* vif) {
struct iwl_mvm_vif* mvmvif = iwl_mvm_vif_from_mac80211(vif);
struct iwl_allow_uapsd_iface_iterator_data data = {
.current_vif = vif,
.allow_uapsd = true,
};
if (!memcmp(mvmvif->uapsd_misbehaving_bssid, vif->bss_conf.bssid, ETH_ALEN)) {
return false;
}
/*
* Avoid using uAPSD if P2P client is associated to GO that uses
* opportunistic power save. This is due to current FW limitation.
*/
if (vif->p2p && (vif->bss_conf.p2p_noa_attr.oppps_ctwindow & IEEE80211_P2P_OPPPS_ENABLE_BIT)) {
return false;
}
if (vif->p2p && !iwl_mvm_is_p2p_scm_uapsd_supported(mvm)) {
return false;
}
ieee80211_iterate_active_interfaces_atomic(mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
iwl_mvm_allow_uapsd_iterator, &data);
return data.allow_uapsd;
}
static bool iwl_mvm_power_is_radar(struct ieee80211_vif* vif) {
struct ieee80211_chanctx_conf* chanctx_conf;
struct ieee80211_channel* chan;
bool radar_detect = false;
rcu_read_lock();
chanctx_conf = rcu_dereference(vif->chanctx_conf);
WARN_ON(!chanctx_conf);
if (chanctx_conf) {
chan = chanctx_conf->def.chan;
radar_detect = chan->flags & IEEE80211_CHAN_RADAR;
}
rcu_read_unlock();
return radar_detect;
}
static void iwl_mvm_power_config_skip_dtim(struct iwl_mvm* mvm,
struct iwl_mac_power_cmd* cmd, bool host_awake) {
int dtimper = vif->bss_conf.dtim_period ?: 1;
int skip;
/* disable, in case we're supposed to override */
cmd->skip_dtim_periods = 0;
cmd->flags &= ~cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
// TODO(45583): Check whether radar detection is required on this channel
if (iwl_mvm_power_is_radar(vif)) {
return;
}
if (dtimper >= 10) {
return;
}
/* TODO: check that multicast wake lock is off */
if (host_awake) {
if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_LP) {
return;
}
skip = 2;
} else {
int dtimper_tu = dtimper * vif->bss_conf.beacon_int;
if (WARN_ON(!dtimper_tu)) {
return;
}
/* configure skip over dtim up to 306TU - 314 msec */
skip = max_t(uint8_t, 1, 306 / dtimper_tu);
}
/* the firmware really expects "look at every X DTIMs", so add 1 */
cmd->skip_dtim_periods = 1 + skip;
cmd->flags |= cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
}
#endif // NEEDS_PORTING
static void iwl_mvm_power_build_cmd(struct iwl_mvm* mvm, struct iwl_mvm_vif* mvmvif,
struct iwl_mac_power_cmd* cmd, bool host_awake) {
int dtimper, bi;
int keep_alive;
cmd->id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, mvmvif->color));
dtimper = mvmvif->bss_conf.dtim_period;
bi = mvmvif->bss_conf.beacon_int;
/*
* Regardless of power management state the driver must set
* keep alive period. FW will use it for sending keep alive NDPs
* immediately after association. Check that keep alive period
* is at least 3 * DTIM
*/
keep_alive = DIV_ROUND_UP(ieee80211_tu_to_usec(3 * dtimper * bi), USEC_PER_SEC);
keep_alive = MAX(keep_alive, POWER_KEEP_ALIVE_PERIOD_SEC);
cmd->keep_alive_seconds = cpu_to_le16(keep_alive);
if (mvm->ps_disabled) {
return;
}
cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK);
return;
#if 0 // NEEDS_PORTING
// TODO(49224): suuport power saving
if (!vif->bss_conf.ps || !mvmvif->pm_enabled) {
return;
}
if (iwl_mvm_vif_low_latency(mvmvif) && vif->p2p &&
(!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_SHORT_PM_TIMEOUTS) ||
!IWL_MVM_P2P_LOWLATENCY_PS_ENABLE)) {
return;
}
cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK);
if (vif->bss_conf.beacon_rate &&
(vif->bss_conf.beacon_rate->bitrate == 10 || vif->bss_conf.beacon_rate->bitrate == 60)) {
cmd->flags |= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK);
cmd->lprx_rssi_threshold = POWER_LPRX_RSSI_THRESHOLD;
}
iwl_mvm_power_config_skip_dtim(mvm, vif, cmd, host_awake);
if (!host_awake) {
cmd->rx_data_timeout = cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT);
cmd->tx_data_timeout = cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT);
} else if (iwl_mvm_vif_low_latency(mvmvif) && vif->p2p &&
fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_SHORT_PM_TIMEOUTS)) {
cmd->tx_data_timeout = cpu_to_le32(IWL_MVM_SHORT_PS_TX_DATA_TIMEOUT);
cmd->rx_data_timeout = cpu_to_le32(IWL_MVM_SHORT_PS_RX_DATA_TIMEOUT);
} else {
cmd->rx_data_timeout = cpu_to_le32(IWL_MVM_DEFAULT_PS_RX_DATA_TIMEOUT);
cmd->tx_data_timeout = cpu_to_le32(IWL_MVM_DEFAULT_PS_TX_DATA_TIMEOUT);
}
if (iwl_mvm_power_allow_uapsd(mvm, vif)) {
iwl_mvm_power_configure_uapsd(mvm, vif, cmd);
}
#endif // NEEDS_PORTING
#ifdef CPTCFG_IWLWIFI_DEBUGFS
if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_KEEP_ALIVE) {
cmd->keep_alive_seconds = cpu_to_le16(mvmvif->dbgfs_pm.keep_alive_seconds);
}
if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_OVER_DTIM) {
if (mvmvif->dbgfs_pm.skip_over_dtim) {
cmd->flags |= cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
} else {
cmd->flags &= cpu_to_le16(~POWER_FLAGS_SKIP_OVER_DTIM_MSK);
}
}
if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_RX_DATA_TIMEOUT) {
cmd->rx_data_timeout = cpu_to_le32(mvmvif->dbgfs_pm.rx_data_timeout);
}
if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_TX_DATA_TIMEOUT) {
cmd->tx_data_timeout = cpu_to_le32(mvmvif->dbgfs_pm.tx_data_timeout);
}
if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS) {
cmd->skip_dtim_periods = mvmvif->dbgfs_pm.skip_dtim_periods;
}
if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_LPRX_ENA) {
if (mvmvif->dbgfs_pm.lprx_ena) {
cmd->flags |= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK);
} else {
cmd->flags &= cpu_to_le16(~POWER_FLAGS_LPRX_ENA_MSK);
}
}
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);
}
}
if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_UAPSD_MISBEHAVING) {
uint16_t flag = POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK;
if (mvmvif->dbgfs_pm.uapsd_misbehaving) {
cmd->flags |= cpu_to_le16(flag);
} else {
cmd->flags &= cpu_to_le16(flag);
}
}
#endif /* CPTCFG_IWLWIFI_DEBUGFS */
}
static int iwl_mvm_power_send_cmd(struct iwl_mvm* mvm, struct iwl_mvm_vif* mvmvif) {
struct iwl_mac_power_cmd cmd = {};
iwl_mvm_power_build_cmd(mvm, mvmvif, &cmd, mvm->fwrt.cur_fw_img != IWL_UCODE_WOWLAN);
iwl_mvm_power_log(mvm, &cmd);
#ifdef CPTCFG_IWLWIFI_DEBUGFS
memcpy(&iwl_mvm_vif_from_mac80211(vif)->mac_pwr_cmd, &cmd, sizeof(cmd));
#endif
return iwl_mvm_send_cmd_pdu(mvm, MAC_PM_POWER_TABLE, 0, sizeof(cmd), &cmd);
}
zx_status_t iwl_mvm_power_update_device(struct iwl_mvm* mvm) {
struct iwl_device_power_cmd cmd = {
.flags = 0,
};
if (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM) {
mvm->ps_disabled = true;
}
if (!mvm->ps_disabled) {
cmd.flags |= cpu_to_le16(DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK);
}
#ifdef CPTCFG_IWLWIFI_DEBUGFS
if ((mvm->fwrt.cur_fw_img == IWL_UCODE_WOWLAN) ? mvm->disable_power_off_d3
: mvm->disable_power_off) {
cmd.flags &= cpu_to_le16(~DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK);
}
#endif
IWL_DEBUG_POWER(mvm, "Sending device power command with flags = 0x%X\n", cmd.flags);
return iwl_mvm_send_cmd_pdu(mvm, POWER_TABLE_CMD, 0, sizeof(cmd), &cmd);
}
#if 0 // NEEDS_PORTING
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)) {
eth_zero_addr(mvmvif->uapsd_misbehaving_bssid);
}
}
static void iwl_mvm_power_uapsd_misbehav_ap_iterator(void* _data, uint8_t* mac,
struct ieee80211_vif* vif) {
uint8_t* 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);
}
}
void iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm* mvm, struct iwl_rx_cmd_buffer* rxb) {
struct iwl_rx_packet* pkt = rxb_addr(rxb);
struct iwl_uapsd_misbehaving_ap_notif* notif = (void*)pkt->data;
uint8_t 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);
}
#endif // NEEDS_PORTING
struct iwl_power_vifs {
struct iwl_mvm* mvm;
struct iwl_mvm_vif* bss_vif;
struct iwl_mvm_vif* p2p_vif;
struct iwl_mvm_vif* ap_vif;
struct iwl_mvm_vif* monitor_vif;
bool p2p_active;
bool bss_active;
bool ap_active;
bool monitor_active;
};
static void iwl_mvm_power_disable_pm_iterator(void* _data, struct iwl_mvm_vif* mvmvif) {
mvmvif->pm_enabled = false;
}
static void iwl_mvm_power_ps_disabled_iterator(void* _data, struct iwl_mvm_vif* mvmvif) {
bool* disable_ps = _data;
if (mvmvif->phy_ctxt && mvmvif->phy_ctxt->id < NUM_PHY_CTX) {
*disable_ps |= mvmvif->ps_disabled;
}
}
static void iwl_mvm_power_get_vifs_iterator(void* _data, struct iwl_mvm_vif* mvmvif) {
struct iwl_power_vifs* power_iterator = _data;
bool active = mvmvif->phy_ctxt && mvmvif->phy_ctxt->id < NUM_PHY_CTX;
switch (mvmvif->mac_role) {
#if 0 // NEEDS_PORTING
case NL80211_IFTYPE_P2P_DEVICE:
case NL80211_IFTYPE_NAN:
break;
case NL80211_IFTYPE_P2P_GO:
case NL80211_IFTYPE_AP:
/* only a single MAC of the same type */
WARN_ON(power_iterator->ap_vif);
power_iterator->ap_vif = vif;
if (active) {
power_iterator->ap_active = true;
}
break;
case NL80211_IFTYPE_MONITOR:
/* only a single MAC of the same type */
WARN_ON(power_iterator->monitor_vif);
power_iterator->monitor_vif = vif;
if (active) {
power_iterator->monitor_active = true;
}
break;
case NL80211_IFTYPE_P2P_CLIENT:
/* only a single MAC of the same type */
WARN_ON(power_iterator->p2p_vif);
power_iterator->p2p_vif = vif;
if (active) {
power_iterator->p2p_active = true;
}
break;
#endif // NEEDS_PORTING
case WLAN_INFO_MAC_ROLE_CLIENT:
power_iterator->bss_vif = mvmvif;
if (active) {
power_iterator->bss_active = true;
}
break;
default:
IWL_WARN(mvmvif, "unsupported MAC role (%d) in iwl_mvm_power_get_vifs_iterator()\n",
mvmvif->mac_role);
ZX_DEBUG_ASSERT(false); // should never been here.
break;
}
}
// Updates each interface's "pm_enabled" field.
//
static void iwl_mvm_power_set_pm(struct iwl_mvm* mvm, struct iwl_power_vifs* vifs) {
struct iwl_mvm_vif* bss_mvmvif = NULL;
struct iwl_mvm_vif* p2p_mvmvif = NULL;
struct iwl_mvm_vif* ap_mvmvif = NULL;
bool client_same_channel = false;
bool ap_same_channel = false;
iwl_assert_lock_held(&mvm->mutex);
/* set pm_enable to false */
ieee80211_iterate_active_interfaces_atomic(mvm, iwl_mvm_power_disable_pm_iterator, NULL);
if (vifs->bss_vif) {
bss_mvmvif = vifs->bss_vif;
}
if (vifs->p2p_vif) {
p2p_mvmvif = vifs->p2p_vif;
}
if (vifs->ap_vif) {
ap_mvmvif = vifs->ap_vif;
}
#if 0 // NEEDS_PORTING
// TODO(45833): TDLS support
/* don't allow PM if any TDLS stations exist */
if (iwl_mvm_tdls_sta_count(mvm, NULL)) {
return;
}
#endif // NEEDS_PORTING
/* enable PM on bss if bss stand alone */
if (vifs->bss_active && !vifs->p2p_active && !vifs->ap_active) {
bss_mvmvif->pm_enabled = true;
return;
}
/* enable PM on p2p if p2p stand alone */
if (vifs->p2p_active && !vifs->bss_active && !vifs->ap_active) {
p2p_mvmvif->pm_enabled = true;
return;
}
if (vifs->bss_active && vifs->p2p_active) {
client_same_channel = (bss_mvmvif->phy_ctxt->id == p2p_mvmvif->phy_ctxt->id);
}
if (vifs->bss_active && vifs->ap_active) {
ap_same_channel = (bss_mvmvif->phy_ctxt->id == ap_mvmvif->phy_ctxt->id);
}
/* clients are not stand alone: enable PM if DCM */
if (!(client_same_channel || ap_same_channel)) {
if (vifs->bss_active) {
bss_mvmvif->pm_enabled = true;
}
if (vifs->p2p_active) {
p2p_mvmvif->pm_enabled = true;
}
return;
}
/*
* There is only one channel in the system and there are only
* bss and p2p clients that share it
*/
if (client_same_channel && !vifs->ap_active) {
/* share same channel*/
bss_mvmvif->pm_enabled = true;
p2p_mvmvif->pm_enabled = true;
}
}
#if 0 // NEEDS_PORTING
#ifdef CPTCFG_IWLWIFI_DEBUGFS
int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm* mvm, struct ieee80211_vif* vif, char* buf,
int bufsz) {
struct iwl_mvm_vif* mvmvif = iwl_mvm_vif_from_mac80211(vif);
struct iwl_mac_power_cmd cmd = {};
int pos = 0;
mutex_lock(&mvm->mutex);
memcpy(&cmd, &mvmvif->mac_pwr_cmd, sizeof(cmd));
mutex_unlock(&mvm->mutex);
pos += scnprintf(buf + pos, bufsz - pos, "power_scheme = %d\n", iwlmvm_mod_params.power_scheme);
pos += scnprintf(buf + pos, bufsz - pos, "flags = 0x%x\n", le16_to_cpu(cmd.flags));
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))) {
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;
}
void iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif* vif,
struct iwl_beacon_filter_cmd* cmd) {
struct iwl_mvm_vif* mvmvif = iwl_mvm_vif_from_mac80211(vif);
struct iwl_dbgfs_bf* dbgfs_bf = &mvmvif->dbgfs_bf;
if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ENERGY_DELTA) {
cmd->bf_energy_delta = cpu_to_le32(dbgfs_bf->bf_energy_delta);
}
if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA) {
cmd->bf_roaming_energy_delta = cpu_to_le32(dbgfs_bf->bf_roaming_energy_delta);
}
if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_STATE) {
cmd->bf_roaming_state = cpu_to_le32(dbgfs_bf->bf_roaming_state);
}
if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_THRESHOLD) {
cmd->bf_temp_threshold = cpu_to_le32(dbgfs_bf->bf_temp_threshold);
}
if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_FAST_FILTER) {
cmd->bf_temp_fast_filter = cpu_to_le32(dbgfs_bf->bf_temp_fast_filter);
}
if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_SLOW_FILTER) {
cmd->bf_temp_slow_filter = cpu_to_le32(dbgfs_bf->bf_temp_slow_filter);
}
if (dbgfs_bf->mask & MVM_DEBUGFS_BF_DEBUG_FLAG) {
cmd->bf_debug_flag = cpu_to_le32(dbgfs_bf->bf_debug_flag);
}
if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ESCAPE_TIMER) {
cmd->bf_escape_timer = cpu_to_le32(dbgfs_bf->bf_escape_timer);
}
if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ESCAPE_TIMER) {
cmd->ba_escape_timer = cpu_to_le32(dbgfs_bf->ba_escape_timer);
}
if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT) {
cmd->ba_enable_beacon_abort = cpu_to_le32(dbgfs_bf->ba_enable_beacon_abort);
}
}
#endif
#endif // NEEDS_PORTING
static zx_status_t _iwl_mvm_enable_beacon_filter(struct iwl_mvm_vif* mvmvif,
struct iwl_beacon_filter_cmd* cmd,
uint32_t cmd_flags, bool d0i3) {
struct iwl_mvm* mvm = mvmvif->mvm;
if (mvmvif != mvm->bf_allowed_vif || !mvmvif->bss_conf.dtim_period ||
mvmvif->mac_role != WLAN_INFO_MAC_ROLE_CLIENT || mvmvif->p2p) {
return ZX_OK;
}
iwl_mvm_beacon_filter_set_cqm_params(mvmvif, cmd, d0i3);
#if 0 // NEEDS_PORTING
if (!d0i3) {
iwl_mvm_beacon_filter_debugfs_parameters(vif, cmd);
}
#endif // NEEDS_PORTING
zx_status_t ret = iwl_mvm_beacon_filter_send_cmd(mvm, cmd, cmd_flags);
/* don't change bf_enabled in case of temporary d0i3 configuration */
if (ret == ZX_OK && !d0i3) {
mvmvif->bf_data.bf_enabled = true;
}
return ret;
}
zx_status_t iwl_mvm_enable_beacon_filter(struct iwl_mvm_vif* mvmvif, uint32_t flags) {
struct iwl_beacon_filter_cmd cmd = {
IWL_BF_CMD_CONFIG_DEFAULTS,
.bf_enable_beacon_filter = cpu_to_le32(1),
};
return _iwl_mvm_enable_beacon_filter(mvmvif, &cmd, flags, false);
}
static zx_status_t _iwl_mvm_disable_beacon_filter(struct iwl_mvm_vif* mvmvif, uint32_t flags,
bool d0i3) {
struct iwl_beacon_filter_cmd cmd = {};
if (mvmvif->mac_role != WLAN_INFO_MAC_ROLE_CLIENT || mvmvif->p2p) {
return ZX_OK;
}
zx_status_t ret = iwl_mvm_beacon_filter_send_cmd(mvmvif->mvm, &cmd, flags);
/* don't change bf_enabled in case of temporary d0i3 configuration */
if (ret == ZX_OK && !d0i3) {
mvmvif->bf_data.bf_enabled = false;
}
return ret;
}
zx_status_t iwl_mvm_disable_beacon_filter(struct iwl_mvm_vif* mvmvif, uint32_t flags) {
return _iwl_mvm_disable_beacon_filter(mvmvif, flags, false);
}
static zx_status_t iwl_mvm_power_set_ps(struct iwl_mvm* mvm) {
bool disable_ps;
zx_status_t ret;
/* disable PS if CAM */
disable_ps = (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM);
/* ...or if any of the vifs require PS to be off */
ieee80211_iterate_active_interfaces_atomic(mvm, iwl_mvm_power_ps_disabled_iterator, &disable_ps);
/* update device power state if it has changed */
if (mvm->ps_disabled != disable_ps) {
bool old_ps_disabled = mvm->ps_disabled;
mvm->ps_disabled = disable_ps;
ret = iwl_mvm_power_update_device(mvm);
if (ret != ZX_OK) {
mvm->ps_disabled = old_ps_disabled;
return ret;
}
}
return ZX_OK;
}
#if 0 // NEEDS_PORTING
static int iwl_mvm_power_set_ba(struct iwl_mvm* mvm, struct ieee80211_vif* vif) {
struct iwl_mvm_vif* mvmvif = iwl_mvm_vif_from_mac80211(vif);
struct iwl_beacon_filter_cmd cmd = {
IWL_BF_CMD_CONFIG_DEFAULTS,
.bf_enable_beacon_filter = cpu_to_le32(1),
};
if (!mvmvif->bf_data.bf_enabled) {
return 0;
}
if (mvm->fwrt.cur_fw_img == IWL_UCODE_WOWLAN) {
cmd.ba_escape_timer = cpu_to_le32(IWL_BA_ESCAPE_TIMER_D3);
}
mvmvif->bf_data.ba_enabled = !(!mvmvif->pm_enabled || mvm->ps_disabled || !vif->bss_conf.ps ||
iwl_mvm_vif_low_latency(mvmvif));
return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, 0, false);
}
int iwl_mvm_power_update_ps(struct iwl_mvm* mvm) {
struct iwl_power_vifs vifs = {
.mvm = mvm,
};
int ret;
iwl_assert_lock_held(&mvm->mutex);
/* get vifs info */
ieee80211_iterate_active_interfaces_atomic(mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
iwl_mvm_power_get_vifs_iterator, &vifs);
ret = iwl_mvm_power_set_ps(mvm);
if (ret) {
return ret;
}
if (vifs.bss_vif) {
return iwl_mvm_power_set_ba(mvm, vifs.bss_vif);
}
return 0;
}
#endif // NEEDS_PORTING
zx_status_t iwl_mvm_power_update_mac(struct iwl_mvm* mvm) {
struct iwl_power_vifs vifs = {
.mvm = mvm,
};
zx_status_t ret;
iwl_assert_lock_held(&mvm->mutex);
/* get vifs info */
ieee80211_iterate_active_interfaces_atomic(mvm, iwl_mvm_power_get_vifs_iterator, &vifs);
iwl_mvm_power_set_pm(mvm, &vifs);
ret = iwl_mvm_power_set_ps(mvm);
if (ret != ZX_OK) {
IWL_ERR(mvm, "%s(): cannot set power saving: %s\n", __func__, zx_status_get_string(ret));
return ret;
}
if (vifs.bss_vif) {
ret = iwl_mvm_power_send_cmd(mvm, vifs.bss_vif);
if (ret) {
IWL_ERR(mvm, "%s(): cannot set vifs.bss_vif: %s\n", __func__, zx_status_get_string(ret));
return ret;
}
}
if (vifs.p2p_vif) {
ret = iwl_mvm_power_send_cmd(mvm, vifs.p2p_vif);
if (ret) {
IWL_ERR(mvm, "%s(): cannot set vifs.p2p_vif: %s\n", __func__, zx_status_get_string(ret));
return ret;
}
}
#if 0 // NEEDS_PORTING
if (vifs.bss_vif) {
return iwl_mvm_power_set_ba(mvm, vifs.bss_vif);
}
#endif // NEEDS_PORTING
return ZX_OK;
}
#if 0 // NEEDS_PORTING
int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm* mvm, struct ieee80211_vif* vif, bool enable,
uint32_t flags) {
int ret;
struct iwl_mvm_vif* mvmvif = iwl_mvm_vif_from_mac80211(vif);
struct iwl_mac_power_cmd cmd = {};
if (vif->type != NL80211_IFTYPE_STATION || vif->p2p) {
return 0;
}
if (!vif->bss_conf.assoc) {
return 0;
}
iwl_mvm_power_build_cmd(mvm, vif, &cmd, !enable);
iwl_mvm_power_log(mvm, &cmd);
#ifdef CPTCFG_IWLWIFI_DEBUGFS
memcpy(&mvmvif->mac_pwr_cmd, &cmd, sizeof(cmd));
#endif
ret = iwl_mvm_send_cmd_pdu(mvm, MAC_PM_POWER_TABLE, flags, sizeof(cmd), &cmd);
if (ret) {
return ret;
}
/* configure beacon filtering */
if (mvmvif != mvm->bf_allowed_vif) {
return 0;
}
if (enable) {
struct iwl_beacon_filter_cmd cmd_bf = {
IWL_BF_CMD_CONFIG_D0I3,
.bf_enable_beacon_filter = cpu_to_le32(1),
};
/*
* When beacon storing is supported - disable beacon filtering
* altogether - the latest beacon will be sent when exiting d0i3
*/
if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_BEACON_STORING)) {
ret = _iwl_mvm_disable_beacon_filter(mvm, vif, flags, true);
} else {
ret = _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd_bf, flags, true);
}
} else {
if (mvmvif->bf_data.bf_enabled) {
ret = iwl_mvm_enable_beacon_filter(mvm, vif, flags);
} else {
ret = iwl_mvm_disable_beacon_filter(mvm, vif, flags);
}
}
return ret;
}
#endif // NEEDS_PORTING