static int iwl_mvm_power_mac_disable(struct iwl_mvm *mvm,
struct ieee80211_vif *vif)
{
struct iwl_mac_power_cmd cmd = {};
struct iwl_mvm_vif *mvmvif __maybe_unused =
iwl_mvm_vif_from_mac80211(vif);
if (vif->type != NL80211_IFTYPE_STATION || vif->p2p)
return 0;
cmd.id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id,
mvmvif->color));
if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM)
cmd.flags |= cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK);
#ifdef CPTCFG_IWLWIFI_DEBUGFS
if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_DISABLE_POWER_OFF &&
mvmvif->dbgfs_pm.disable_power_off)
cmd.flags &= cpu_to_le16(~POWER_FLAGS_POWER_SAVE_ENA_MSK);
#endif
iwl_mvm_power_log(mvm, &cmd);
return iwl_mvm_send_cmd_pdu(mvm, MAC_PM_POWER_TABLE, CMD_ASYNC,
sizeof(cmd), &cmd);
}
int iwl_mvm_power_disable(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
{
struct iwl_powertable_cmd cmd = {};
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
if (!iwlwifi_mod_params.power_save) {
IWL_DEBUG_POWER(mvm, "Power management is not allowed\n");
return 0;
}
if (vif->type != NL80211_IFTYPE_STATION || vif->p2p)
return 0;
cmd.id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id,
mvmvif->color));
cmd.action = cpu_to_le32(FW_CTXT_ACTION_MODIFY);
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));
return iwl_mvm_send_cmd_pdu(mvm, POWER_TABLE_CMD, CMD_ASYNC,
sizeof(cmd), &cmd);
}
static void iwl_power_build_cmd(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
struct iwl_powertable_cmd *cmd)
{
struct ieee80211_hw *hw = mvm->hw;
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
struct ieee80211_chanctx_conf *chanctx_conf;
struct ieee80211_channel *chan;
int dtimper, dtimper_msec;
int keep_alive;
bool radar_detect = false;
cmd->id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id,
mvmvif->color));
cmd->action = cpu_to_le32(FW_CTXT_ACTION_MODIFY);
if ((!vif->bss_conf.ps) ||
(iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM))
return;
cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK);
dtimper = hw->conf.ps_dtim_period ?: 1;
/* Check if radar detection is required on current channel */
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();
/* Check skip over DTIM conditions */
if (!radar_detect && (dtimper <= 10) &&
(iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_LP)) {
cmd->flags |= cpu_to_le16(POWER_FLAGS_SLEEP_OVER_DTIM_MSK);
cmd->num_skip_dtim = 2;
}
/* Check that keep alive period is at least 3 * DTIM */
dtimper_msec = dtimper * vif->bss_conf.beacon_int;
keep_alive = max_t(int, 3 * dtimper_msec,
MSEC_PER_SEC * POWER_KEEP_ALIVE_PERIOD_SEC);
keep_alive = DIV_ROUND_UP(keep_alive, MSEC_PER_SEC);
cmd->keep_alive_seconds = cpu_to_le16(keep_alive);
if (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_LP) {
/* TODO: Also for D3 (device sleep / WoWLAN) */
cmd->rx_data_timeout = cpu_to_le32(10);
cmd->tx_data_timeout = cpu_to_le32(10);
} else {
cmd->rx_data_timeout = cpu_to_le32(50);
cmd->tx_data_timeout = cpu_to_le32(50);
}
}
/*
* Construct the generic fields of the PHY context command
*/
static void iwl_mvm_phy_ctxt_cmd_hdr(struct iwl_mvm_phy_ctxt *ctxt,
struct iwl_phy_context_cmd *cmd,
u32 action, u32 apply_time)
{
memset(cmd, 0, sizeof(struct iwl_phy_context_cmd));
cmd->id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(ctxt->id,
ctxt->color));
cmd->action = cpu_to_le32(action);
cmd->apply_time = cpu_to_le32(apply_time);
}
static int iwl_mvm_binding_cmd(struct iwl_mvm *mvm, u32 action,
struct iwl_mvm_iface_iterator_data *data)
{
struct iwl_binding_cmd cmd;
struct iwl_mvm_phy_ctxt *phyctxt = data->phyctxt;
int i, ret;
u32 status;
memset(&cmd, 0, sizeof(cmd));
cmd.id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(phyctxt->id,
phyctxt->color));
cmd.action = cpu_to_le32(action);
cmd.phy = cpu_to_le32(FW_CMD_ID_AND_COLOR(phyctxt->id,
phyctxt->color));
for (i = 0; i < MAX_MACS_IN_BINDING; i++)
cmd.macs[i] = cpu_to_le32(FW_CTXT_INVALID);
for (i = 0; i < data->idx; i++)
cmd.macs[i] = cpu_to_le32(FW_CMD_ID_AND_COLOR(data->ids[i],
data->colors[i]));
status = 0;
ret = iwl_mvm_send_cmd_pdu_status(mvm, BINDING_CONTEXT_CMD,
sizeof(cmd), &cmd, &status);
if (ret) {
IWL_ERR(mvm, "Failed to send binding (action:%d): %d\n",
action, ret);
return ret;
}
if (status) {
IWL_ERR(mvm, "Binding command failed: %u\n", status);
ret = -EIO;
}
return ret;
}
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;
bool radar_detect = false;
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 || iwl_mvm_vif_low_latency(mvmvif) ||
!mvmvif->pm_enabled || iwl_mvm_tdls_sta_count(mvm, vif))
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;
}
/* Check if radar detection is required on current channel */
radar_detect = iwl_mvm_power_is_radar(vif);
/* Check skip over DTIM conditions */
if (!radar_detect && (dtimper < 10) &&
(iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_LP ||
mvm->cur_ucode == IWL_UCODE_WOWLAN)) {
cmd->skip_dtim_periods =
iwl_mvm_power_get_skip_over_dtim(dtimper, bi);
if (cmd->skip_dtim_periods)
cmd->flags |=
cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
}
if (mvm->cur_ucode != IWL_UCODE_WOWLAN) {
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);
} else {
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);
}
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 void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm,
struct ieee80211_vif *vif,
struct iwl_mac_power_cmd *cmd)
{
struct ieee80211_hw *hw = mvm->hw;
struct ieee80211_chanctx_conf *chanctx_conf;
struct ieee80211_channel *chan;
int dtimper, dtimper_msec;
int keep_alive;
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));
dtimper = hw->conf.ps_dtim_period ?: 1;
/*
* 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
*/
dtimper_msec = dtimper * vif->bss_conf.beacon_int;
keep_alive = max_t(int, 3 * dtimper_msec,
MSEC_PER_SEC * POWER_KEEP_ALIVE_PERIOD_SEC);
keep_alive = DIV_ROUND_UP(keep_alive, MSEC_PER_SEC);
cmd->keep_alive_seconds = cpu_to_le16(keep_alive);
if (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM)
return;
cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK);
#ifdef CPTCFG_IWLWIFI_DEBUGFS
if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_DISABLE_POWER_OFF &&
mvmvif->dbgfs_pm.disable_power_off)
cmd->flags &= cpu_to_le16(~POWER_FLAGS_POWER_SAVE_ENA_MSK);
#endif
if (!vif->bss_conf.ps)
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;
}
/* Check if radar detection is required on current channel */
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();
/* Check skip over DTIM conditions */
if (!radar_detect && (dtimper <= 10) &&
(iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_LP ||
mvm->cur_ucode == IWL_UCODE_WOWLAN)) {
cmd->flags |= cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
cmd->skip_dtim_periods = 3;
}
if (mvm->cur_ucode != IWL_UCODE_WOWLAN) {
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);
} else {
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);
}
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;
}
#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);
}
#endif /* CPTCFG_IWLWIFI_DEBUGFS */
}
struct iwl_tdls_config_res *resp;
struct iwl_tdls_config_cmd tdls_cfg_cmd = {};
struct iwl_host_cmd cmd = {
.id = TDLS_CONFIG_CMD,
.flags = CMD_WANT_SKB,
.data = { &tdls_cfg_cmd, },
.len = { sizeof(struct iwl_tdls_config_cmd), },
};
struct ieee80211_sta *sta;
int ret, i, cnt;
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
lockdep_assert_held(&mvm->mutex);
tdls_cfg_cmd.id_and_color =
cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, mvmvif->color));
tdls_cfg_cmd.tx_to_ap_tid = IWL_MVM_TDLS_FW_TID;
tdls_cfg_cmd.tx_to_ap_ssn = cpu_to_le16(0); /* not used for now */
/* for now the Tx cmd is empty and unused */
/* populate TDLS peer data */
cnt = 0;
for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++) {
sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],
lockdep_is_held(&mvm->mutex));
if (IS_ERR_OR_NULL(sta) || !sta->tdls)
continue;
tdls_cfg_cmd.sta_info[cnt].sta_id = i;
tdls_cfg_cmd.sta_info[cnt].tx_to_peer_tid =
static void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm,
struct ieee80211_vif *vif,
struct iwl_mac_power_cmd *cmd)
{
struct ieee80211_hw *hw = mvm->hw;
struct ieee80211_chanctx_conf *chanctx_conf;
struct ieee80211_channel *chan;
int dtimper, dtimper_msec;
int keep_alive;
bool radar_detect = false;
struct iwl_mvm_vif *mvmvif __maybe_unused =
iwl_mvm_vif_from_mac80211(vif);
bool allow_uapsd = true;
cmd->id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id,
mvmvif->color));
dtimper = hw->conf.ps_dtim_period ?: 1;
/*
* 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
*/
dtimper_msec = dtimper * vif->bss_conf.beacon_int;
keep_alive = max_t(int, 3 * dtimper_msec,
MSEC_PER_SEC * POWER_KEEP_ALIVE_PERIOD_SEC);
keep_alive = DIV_ROUND_UP(keep_alive, MSEC_PER_SEC);
cmd->keep_alive_seconds = cpu_to_le16(keep_alive);
if (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM ||
mvm->ps_prevented)
return;
cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK);
#ifdef CPTCFG_IWLWIFI_DEBUGFS
if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_DISABLE_POWER_OFF &&
mvmvif->dbgfs_pm.disable_power_off)
cmd->flags &= cpu_to_le16(~POWER_FLAGS_POWER_SAVE_ENA_MSK);
#endif
if (!vif->bss_conf.ps || mvmvif->pm_prevented ||
iwl_mvm_vif_low_latency(mvmvif))
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;
}
/* Check if radar detection is required on current channel */
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();
/* Check skip over DTIM conditions */
if (!radar_detect && (dtimper <= 10) &&
(iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_LP ||
mvm->cur_ucode == IWL_UCODE_WOWLAN)) {
cmd->flags |= cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
cmd->skip_dtim_periods = 3;
}
if (mvm->cur_ucode != IWL_UCODE_WOWLAN) {
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);
} else {
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);
}
if (!memcmp(mvmvif->uapsd_misbehaving_bssid, vif->bss_conf.bssid,
ETH_ALEN))
allow_uapsd = false;
if (vif->p2p &&
!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PS_UAPSD))
allow_uapsd = 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)
allow_uapsd = false;
if (allow_uapsd)
iwl_mvm_power_configure_uapsd(mvm, vif, cmd);
#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) {
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 /* CPTCFG_IWLWIFI_DEBUGFS */
}
