mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
956 lines
27 KiB
956 lines
27 KiB
// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause |
|
/* |
|
* Copyright (C) 2012-2014, 2018-2019 Intel Corporation |
|
* Copyright (C) 2013-2014 Intel Mobile Communications GmbH |
|
* Copyright (C) 2015-2017 Intel Deutschland GmbH |
|
*/ |
|
#include <linux/kernel.h> |
|
#include <linux/module.h> |
|
#include <linux/slab.h> |
|
#include <linux/etherdevice.h> |
|
|
|
#include <net/mac80211.h> |
|
|
|
#include "iwl-debug.h" |
|
#include "mvm.h" |
|
#include "iwl-modparams.h" |
|
#include "fw/api/power.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, |
|
u32 flags) |
|
{ |
|
u16 len; |
|
|
|
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)); |
|
IWL_DEBUG_POWER(mvm, "bf_threshold_absolute_low is: %d, %d\n", |
|
le32_to_cpu(cmd->bf_threshold_absolute_low[0]), |
|
le32_to_cpu(cmd->bf_threshold_absolute_low[1])); |
|
|
|
IWL_DEBUG_POWER(mvm, "bf_threshold_absolute_high is: %d, %d\n", |
|
le32_to_cpu(cmd->bf_threshold_absolute_high[0]), |
|
le32_to_cpu(cmd->bf_threshold_absolute_high[1])); |
|
|
|
if (fw_has_api(&mvm->fw->ucode_capa, |
|
IWL_UCODE_TLV_API_BEACON_FILTER_V4)) |
|
len = sizeof(struct iwl_beacon_filter_cmd); |
|
else |
|
len = offsetof(struct iwl_beacon_filter_cmd, |
|
bf_threshold_absolute_low); |
|
|
|
return iwl_mvm_send_cmd_pdu(mvm, REPLY_BEACON_FILTERING_CMD, flags, |
|
len, cmd); |
|
} |
|
|
|
static |
|
void iwl_mvm_beacon_filter_set_cqm_params(struct iwl_mvm *mvm, |
|
struct ieee80211_vif *vif, |
|
struct iwl_beacon_filter_cmd *cmd) |
|
{ |
|
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
|
|
|
if (vif->bss_conf.cqm_rssi_thold) { |
|
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); |
|
} |
|
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); |
|
} |
|
} |
|
|
|
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 CONFIG_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 |
|
|
|
for (ac = IEEE80211_AC_VO; ac <= IEEE80211_AC_BK; ac++) { |
|
if (!mvmvif->queue_params[ac].uapsd) |
|
continue; |
|
|
|
if (!test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status)) |
|
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 = |
|
test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status) ? |
|
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 (test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status) || |
|
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_p2p_standalone_iterator(void *_data, u8 *mac, |
|
struct ieee80211_vif *vif) |
|
{ |
|
bool *is_p2p_standalone = _data; |
|
|
|
switch (ieee80211_vif_type_p2p(vif)) { |
|
case NL80211_IFTYPE_P2P_GO: |
|
case NL80211_IFTYPE_AP: |
|
*is_p2p_standalone = false; |
|
break; |
|
case NL80211_IFTYPE_STATION: |
|
if (vif->bss_conf.assoc) |
|
*is_p2p_standalone = 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); |
|
|
|
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; |
|
|
|
/* |
|
* Avoid using uAPSD if client is in DCM - |
|
* low latency issue in Miracast |
|
*/ |
|
if (iwl_mvm_phy_ctx_count(mvm) >= 2) |
|
return false; |
|
|
|
if (vif->p2p) { |
|
/* Allow U-APSD only if p2p is stand alone */ |
|
bool is_p2p_standalone = true; |
|
|
|
if (!iwl_mvm_is_p2p_scm_uapsd_supported(mvm)) |
|
return false; |
|
|
|
ieee80211_iterate_active_interfaces_atomic(mvm->hw, |
|
IEEE80211_IFACE_ITER_NORMAL, |
|
iwl_mvm_p2p_standalone_iterator, |
|
&is_p2p_standalone); |
|
|
|
if (!is_p2p_standalone) |
|
return false; |
|
} |
|
|
|
return true; |
|
} |
|
|
|
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 ieee80211_vif *vif, |
|
struct iwl_mac_power_cmd *cmd) |
|
{ |
|
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); |
|
|
|
if (iwl_mvm_power_is_radar(vif)) |
|
return; |
|
|
|
if (dtimper >= 10) |
|
return; |
|
|
|
if (!test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status)) { |
|
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(u8, 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); |
|
} |
|
|
|
static void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm, |
|
struct ieee80211_vif *vif, |
|
struct iwl_mac_power_cmd *cmd) |
|
{ |
|
int dtimper, bi; |
|
int keep_alive; |
|
struct iwl_mvm_vif *mvmvif __maybe_unused = |
|
iwl_mvm_vif_from_mac80211(vif); |
|
|
|
cmd->id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, |
|
mvmvif->color)); |
|
dtimper = vif->bss_conf.dtim_period; |
|
bi = vif->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); |
|
|
|
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); |
|
|
|
if (test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status)) { |
|
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); |
|
|
|
#ifdef CONFIG_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) { |
|
u16 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 /* CONFIG_IWLWIFI_DEBUGFS */ |
|
} |
|
|
|
static int iwl_mvm_power_send_cmd(struct iwl_mvm *mvm, |
|
struct ieee80211_vif *vif) |
|
{ |
|
struct iwl_mac_power_cmd cmd = {}; |
|
|
|
iwl_mvm_power_build_cmd(mvm, vif, &cmd); |
|
iwl_mvm_power_log(mvm, &cmd); |
|
#ifdef CONFIG_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); |
|
} |
|
|
|
int 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 CONFIG_IWLWIFI_DEBUGFS |
|
if (test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status) ? |
|
mvm->disable_power_off_d3 : mvm->disable_power_off) |
|
cmd.flags &= |
|
cpu_to_le16(~DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK); |
|
#endif |
|
if (mvm->ext_clock_valid) |
|
cmd.flags |= cpu_to_le16(DEVICE_POWER_FLAGS_32K_CLK_VALID_MSK); |
|
|
|
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); |
|
} |
|
|
|
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, 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); |
|
} |
|
|
|
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; |
|
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); |
|
} |
|
|
|
struct iwl_power_vifs { |
|
struct iwl_mvm *mvm; |
|
struct ieee80211_vif *bss_vif; |
|
struct ieee80211_vif *p2p_vif; |
|
struct ieee80211_vif *ap_vif; |
|
struct ieee80211_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, u8* mac, |
|
struct ieee80211_vif *vif) |
|
{ |
|
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
|
|
|
mvmvif->pm_enabled = false; |
|
} |
|
|
|
static void iwl_mvm_power_ps_disabled_iterator(void *_data, u8* mac, |
|
struct ieee80211_vif *vif) |
|
{ |
|
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
|
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, u8 *mac, |
|
struct ieee80211_vif *vif) |
|
{ |
|
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
|
struct iwl_power_vifs *power_iterator = _data; |
|
bool active = mvmvif->phy_ctxt && mvmvif->phy_ctxt->id < NUM_PHY_CTX; |
|
|
|
switch (ieee80211_vif_type_p2p(vif)) { |
|
case NL80211_IFTYPE_P2P_DEVICE: |
|
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; |
|
|
|
case NL80211_IFTYPE_STATION: |
|
power_iterator->bss_vif = vif; |
|
if (active) |
|
power_iterator->bss_active = true; |
|
break; |
|
|
|
default: |
|
break; |
|
} |
|
} |
|
|
|
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; |
|
|
|
lockdep_assert_held(&mvm->mutex); |
|
|
|
/* set pm_enable to false */ |
|
ieee80211_iterate_active_interfaces_atomic(mvm->hw, |
|
IEEE80211_IFACE_ITER_NORMAL, |
|
iwl_mvm_power_disable_pm_iterator, |
|
NULL); |
|
|
|
if (vifs->bss_vif) |
|
bss_mvmvif = iwl_mvm_vif_from_mac80211(vifs->bss_vif); |
|
|
|
if (vifs->p2p_vif) |
|
p2p_mvmvif = iwl_mvm_vif_from_mac80211(vifs->p2p_vif); |
|
|
|
if (vifs->ap_vif) |
|
ap_mvmvif = iwl_mvm_vif_from_mac80211(vifs->ap_vif); |
|
|
|
/* don't allow PM if any TDLS stations exist */ |
|
if (iwl_mvm_tdls_sta_count(mvm, NULL)) |
|
return; |
|
|
|
/* 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; |
|
} |
|
} |
|
|
|
#ifdef CONFIG_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 |
|
|
|
static int _iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm, |
|
struct ieee80211_vif *vif, |
|
struct iwl_beacon_filter_cmd *cmd, |
|
u32 cmd_flags) |
|
{ |
|
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
|
int ret; |
|
|
|
if (mvmvif != mvm->bf_allowed_vif || !vif->bss_conf.dtim_period || |
|
vif->type != NL80211_IFTYPE_STATION || vif->p2p) |
|
return 0; |
|
|
|
iwl_mvm_beacon_filter_set_cqm_params(mvm, vif, cmd); |
|
iwl_mvm_beacon_filter_debugfs_parameters(vif, cmd); |
|
ret = iwl_mvm_beacon_filter_send_cmd(mvm, cmd, cmd_flags); |
|
|
|
if (!ret) |
|
mvmvif->bf_data.bf_enabled = true; |
|
|
|
return ret; |
|
} |
|
|
|
int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm, |
|
struct ieee80211_vif *vif, |
|
u32 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(mvm, vif, &cmd, flags); |
|
} |
|
|
|
static int _iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm, |
|
struct ieee80211_vif *vif, |
|
u32 flags) |
|
{ |
|
struct iwl_beacon_filter_cmd cmd = {}; |
|
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); |
|
int ret; |
|
|
|
if (vif->type != NL80211_IFTYPE_STATION || vif->p2p) |
|
return 0; |
|
|
|
ret = iwl_mvm_beacon_filter_send_cmd(mvm, &cmd, flags); |
|
|
|
if (!ret) |
|
mvmvif->bf_data.bf_enabled = false; |
|
|
|
return ret; |
|
} |
|
|
|
int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm, |
|
struct ieee80211_vif *vif, |
|
u32 flags) |
|
{ |
|
return _iwl_mvm_disable_beacon_filter(mvm, vif, flags); |
|
} |
|
|
|
static int iwl_mvm_power_set_ps(struct iwl_mvm *mvm) |
|
{ |
|
bool disable_ps; |
|
int 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->hw, |
|
IEEE80211_IFACE_ITER_NORMAL, |
|
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) { |
|
mvm->ps_disabled = old_ps_disabled; |
|
return ret; |
|
} |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
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 (test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status)) |
|
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); |
|
} |
|
|
|
int iwl_mvm_power_update_ps(struct iwl_mvm *mvm) |
|
{ |
|
struct iwl_power_vifs vifs = { |
|
.mvm = mvm, |
|
}; |
|
int ret; |
|
|
|
lockdep_assert_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; |
|
} |
|
|
|
int iwl_mvm_power_update_mac(struct iwl_mvm *mvm) |
|
{ |
|
struct iwl_power_vifs vifs = { |
|
.mvm = mvm, |
|
}; |
|
int ret; |
|
|
|
lockdep_assert_held(&mvm->mutex); |
|
|
|
/* get vifs info */ |
|
ieee80211_iterate_active_interfaces_atomic(mvm->hw, |
|
IEEE80211_IFACE_ITER_NORMAL, |
|
iwl_mvm_power_get_vifs_iterator, &vifs); |
|
|
|
iwl_mvm_power_set_pm(mvm, &vifs); |
|
|
|
ret = iwl_mvm_power_set_ps(mvm); |
|
if (ret) |
|
return ret; |
|
|
|
if (vifs.bss_vif) { |
|
ret = iwl_mvm_power_send_cmd(mvm, vifs.bss_vif); |
|
if (ret) |
|
return ret; |
|
} |
|
|
|
if (vifs.p2p_vif) { |
|
ret = iwl_mvm_power_send_cmd(mvm, vifs.p2p_vif); |
|
if (ret) |
|
return ret; |
|
} |
|
|
|
if (vifs.bss_vif) |
|
return iwl_mvm_power_set_ba(mvm, vifs.bss_vif); |
|
|
|
return 0; |
|
}
|
|
|