/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
/*
- * Copyright (C) 2012-2014, 2018-2025 Intel Corporation
+ * Copyright (C) 2012-2014, 2018-2026 Intel Corporation
* Copyright (C) 2013-2014 Intel Mobile Communications GmbH
* Copyright (C) 2015-2017 Intel Deutschland GmbH
*/
* '1' PM could sleep over DTIM till listen Interval.
* @POWER_FLAGS_SNOOZE_ENA_MSK: Enable snoozing only if uAPSD is enabled and all
* access categories are both delivery and trigger enabled.
+ * (Not supported since version 3)
* @POWER_FLAGS_BT_SCO_ENA: Enable BT SCO coex only if uAPSD and
* PBW Snoozing enabled
* @POWER_FLAGS_ADVANCE_PM_ENA_MSK: Advanced PM (uAPSD) enable mask
* @POWER_FLAGS_LPRX_ENA_MSK: Low Power RX enable.
* @POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK: AP/GO's uAPSD misbehaving
- * detection enablement
+ * detection enablement (Not supported since version 3)
* @POWER_FLAGS_ENABLE_SMPS_MSK: SMPS is allowed for this vif
*/
enum iwl_power_flags {
} __packed;
/**
- * struct iwl_mac_power_cmd - New power command containing uAPSD support
+ * struct iwl_mac_power_cmd_v2 - power command V2 containing uAPSD support
* MAC_PM_POWER_TABLE = 0xA9 (command, has simple generic response)
- * @id_and_color: MAC contex identifier, &enum iwl_ctxt_id_and_color
+ * @id_and_color: MAC context identifier, &enum iwl_ctxt_id_and_color
* @flags: Power table command flags from POWER_FLAGS_*
* @keep_alive_seconds: Keep alive period in seconds. Default - 25 sec.
* Minimum allowed:- 3 * DTIM. Keep alive period must be
* @limited_ps_threshold: (unused)
* @reserved: reserved (padding)
*/
-struct iwl_mac_power_cmd {
+struct iwl_mac_power_cmd_v2 {
/* CONTEXT_DESC_API_T_VER_1 */
__le32 id_and_color;
u8 reserved;
} __packed; /* CLIENT_PM_POWER_TABLE_S_VER_1, VER_2 */
+/**
+ * struct iwl_mac_power_cmd - power command
+ * MAC_PM_POWER_TABLE = 0xA9 (command, has simple generic response)
+ * @id_and_color: MAC context identifier, &enum iwl_ctxt_id_and_color
+ * @flags: Power table command flags from POWER_FLAGS_*
+ * @keep_alive_seconds: Keep alive period in seconds. Default - 25 sec.
+ * Minimum allowed:- 3 * DTIM. Keep alive period must be
+ * set regardless of power scheme or current power state.
+ * FW use this value also when PM is disabled.
+ * @rx_data_timeout: Minimum time (usec) from last Rx packet for AM to
+ * PSM transition - legacy PM
+ * @tx_data_timeout: Minimum time (usec) from last Tx packet for AM to
+ * PSM transition - legacy PM
+ * @lprx_rssi_threshold: Signal strength up to which LP RX can be enabled.
+ * Default: 80dbm
+ * @skip_dtim_periods: Number of DTIM periods to skip if Skip over DTIM flag
+ * is set. For example, if it is required to skip over
+ * one DTIM, this value need to be set to 2 (DTIM periods).
+ * @qndp_tid: TID client shall use for uAPSD QNDP triggers
+ * @uapsd_ac_flags: Set trigger-enabled and delivery-enabled indication for
+ * each corresponding AC.
+ * Use IEEE80211_WMM_IE_STA_QOSINFO_AC* for correct values.
+ */
+struct iwl_mac_power_cmd {
+ /* CONTEXT_DESC_API_T_VER_1 */
+ __le32 id_and_color;
+
+ __le16 flags;
+ __le16 keep_alive_seconds;
+ __le32 rx_data_timeout;
+ __le32 tx_data_timeout;
+ u8 lprx_rssi_threshold;
+ u8 skip_dtim_periods;
+ u8 qndp_tid;
+ u8 uapsd_ac_flags;
+} __packed; /* CLIENT_PM_POWER_TABLE_S_VER_3 */
+
/*
* struct iwl_uapsd_misbehaving_ap_notif - FW sends this notification when
* associated AP is identified as improperly implementing uAPSD protocol.
kfree_rcu(old_data, rcu_head);
}
-void iwl_mld_handle_uapsd_misbehaving_ap_notif(struct iwl_mld *mld,
- struct iwl_rx_packet *pkt)
-{
- struct iwl_uapsd_misbehaving_ap_notif *notif = (void *)pkt->data;
- struct ieee80211_vif *vif;
-
- if (IWL_FW_CHECK(mld, notif->mac_id >= ARRAY_SIZE(mld->fw_id_to_vif),
- "mac id is invalid: %d\n", notif->mac_id))
- return;
-
- vif = wiphy_dereference(mld->wiphy, mld->fw_id_to_vif[notif->mac_id]);
-
- if (WARN_ON(!vif) || ieee80211_vif_is_mld(vif))
- return;
-
- IWL_WARN(mld, "uapsd misbehaving AP: %pM\n", vif->bss_conf.bssid);
-}
-
void iwl_mld_handle_datapath_monitor_notif(struct iwl_mld *mld,
struct iwl_rx_packet *pkt)
{
void iwl_mld_handle_datapath_monitor_notif(struct iwl_mld *mld,
struct iwl_rx_packet *pkt);
-void iwl_mld_handle_uapsd_misbehaving_ap_notif(struct iwl_mld *mld,
- struct iwl_rx_packet *pkt);
-
void iwl_mld_reset_cca_40mhz_workaround(struct iwl_mld *mld,
struct ieee80211_vif *vif);
HCMD_NAME(PHY_CONFIGURATION_CMD),
HCMD_NAME(SCAN_OFFLOAD_UPDATE_PROFILES_CMD),
HCMD_NAME(POWER_TABLE_CMD),
- HCMD_NAME(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION),
HCMD_NAME(BEACON_NOTIFICATION),
HCMD_NAME(BEACON_TEMPLATE_CMD),
HCMD_NAME(TX_ANT_CONFIGURATION_CMD),
CMD_VER_ENTRY(2, iwl_esr_mode_notif))
CMD_VERSIONS(emlsr_trans_fail_notif,
CMD_VER_ENTRY(1, iwl_esr_trans_fail_notif))
-CMD_VERSIONS(uapsd_misbehaving_ap_notif,
- CMD_VER_ENTRY(1, iwl_uapsd_misbehaving_ap_notif))
CMD_VERSIONS(time_msmt_notif,
CMD_VER_ENTRY(1, iwl_time_msmt_notify))
CMD_VERSIONS(time_sync_confirm_notif,
DEFINE_SIMPLE_CANCELLATION(scan_start, iwl_umac_scan_start, uid)
DEFINE_SIMPLE_CANCELLATION(probe_resp_data, iwl_probe_resp_data_notif,
mac_id)
-DEFINE_SIMPLE_CANCELLATION(uapsd_misbehaving_ap, iwl_uapsd_misbehaving_ap_notif,
- mac_id)
DEFINE_SIMPLE_CANCELLATION(ftm_resp, iwl_tof_range_rsp_ntfy, request_id)
DEFINE_SIMPLE_CANCELLATION(beacon_filter, iwl_beacon_filter_notif, link_id)
emlsr_mode_notif, RX_HANDLER_ASYNC)
RX_HANDLER_NO_OBJECT(MAC_CONF_GROUP, EMLSR_TRANS_FAIL_NOTIF,
emlsr_trans_fail_notif, RX_HANDLER_ASYNC)
- RX_HANDLER_OF_VIF(LEGACY_GROUP, PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION,
- uapsd_misbehaving_ap_notif)
RX_HANDLER_NO_OBJECT(LEGACY_GROUP,
WNM_80211V_TIMING_MEASUREMENT_NOTIFICATION,
time_msmt_notif, RX_HANDLER_SYNC)
return chanctx_conf->def.chan->flags & IEEE80211_CHAN_RADAR;
}
-static void iwl_mld_power_configure_uapsd(struct iwl_mld *mld,
- struct iwl_mld_link *link,
- struct iwl_mac_power_cmd *cmd,
- bool ps_poll)
+static void iwl_mld_power_configure_uapsd_v2(struct iwl_mld *mld,
+ struct iwl_mld_link *link,
+ struct iwl_mac_power_cmd_v2 *cmd,
+ bool ps_poll)
{
bool tid_found = false;
cmd->uapsd_max_sp = mld->hw->uapsd_max_sp_len;
}
+static void iwl_mld_power_configure_uapsd(struct iwl_mld *mld,
+ struct iwl_mld_link *link,
+ struct iwl_mac_power_cmd *cmd,
+ bool ps_poll)
+{
+ bool tid_found = false;
+
+ /* set advanced pm flag with no uapsd ACs to enable ps-poll */
+ if (ps_poll) {
+ cmd->flags |= cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK);
+ return;
+ }
+
+ for (enum ieee80211_ac_numbers ac = IEEE80211_AC_VO;
+ ac <= IEEE80211_AC_BK;
+ ac++) {
+ if (!link->queue_params[ac].uapsd)
+ continue;
+
+ 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 && !link->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;
+ }
+ }
+ }
+}
+
static void
iwl_mld_power_config_skip_dtim(struct iwl_mld *mld,
const struct ieee80211_bss_conf *link_conf,
- struct iwl_mac_power_cmd *cmd)
+ u8 *skip_dtim_periods, __le16 *flags)
{
unsigned int dtimper_tu;
unsigned int dtimper;
/* configure skip over dtim up to 900 TU DTIM interval */
skip = max_t(int, 1, 900 / dtimper_tu);
- cmd->skip_dtim_periods = skip;
- cmd->flags |= cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
+ *skip_dtim_periods = skip;
+ *flags |= cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
}
#define POWER_KEEP_ALIVE_PERIOD_SEC 25
-static void iwl_mld_power_build_cmd(struct iwl_mld *mld,
- struct ieee80211_vif *vif,
- struct iwl_mac_power_cmd *cmd,
- bool d3)
+static void iwl_mld_power_build_cmd_v2(struct iwl_mld *mld,
+ struct ieee80211_vif *vif,
+ struct iwl_mac_power_cmd_v2 *cmd,
+ bool d3)
{
int dtimper, bi;
int keep_alive;
}
if (d3) {
- iwl_mld_power_config_skip_dtim(mld, link_conf, cmd);
+ iwl_mld_power_config_skip_dtim(mld, link_conf,
+ &cmd->skip_dtim_periods,
+ &cmd->flags);
cmd->rx_data_timeout =
cpu_to_le32(IWL_MLD_WOWLAN_PS_RX_DATA_TIMEOUT);
cmd->tx_data_timeout =
* mac80211 will allow uAPSD. Always call iwl_mld_power_configure_uapsd
* which will look at what mac80211 is saying.
*/
+#ifdef CONFIG_IWLWIFI_DEBUGFS
+ ps_poll = mld_vif->use_ps_poll;
+#endif
+ iwl_mld_power_configure_uapsd_v2(mld, link, cmd, ps_poll);
+}
+
+static void iwl_mld_power_build_cmd(struct iwl_mld *mld,
+ struct ieee80211_vif *vif,
+ struct iwl_mac_power_cmd *cmd,
+ bool d3)
+{
+ int dtimper, bi;
+ int keep_alive;
+ struct iwl_mld_vif *mld_vif = iwl_mld_vif_from_mac80211(vif);
+ struct ieee80211_bss_conf *link_conf = &vif->bss_conf;
+ struct iwl_mld_link *link = &mld_vif->deflink;
+ bool ps_poll = false;
+ __le32 fw_id = cpu_to_le32(mld_vif->fw_id);
+
+ if (ieee80211_vif_is_mld(vif)) {
+ int link_id;
+
+ if (WARN_ON(!vif->active_links))
+ return;
+
+ /* The firmware consumes one single configuration for the vif
+ * and can't differentiate between links, just pick the lowest
+ * link_id's configuration and use that.
+ */
+ link_id = __ffs(vif->active_links);
+ link_conf = link_conf_dereference_check(vif, link_id);
+ link = iwl_mld_link_dereference_check(mld_vif, link_id);
+
+ if (WARN_ON(!link_conf || !link))
+ return;
+ }
+ dtimper = link_conf->dtim_period;
+ bi = link_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->id_and_color = fw_id;
+ cmd->keep_alive_seconds = cpu_to_le16(keep_alive);
+
+ if (iwlmld_mod_params.power_scheme != IWL_POWER_SCHEME_CAM)
+ cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK);
+
+ if (vif->cfg.ps && iwl_mld_tdls_sta_count(mld) == 0) {
+ cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK);
+ cmd->flags |= cpu_to_le16(POWER_FLAGS_ENABLE_SMPS_MSK);
+
+ /* firmware supports LPRX for beacons at rate 1 Mbps or
+ * 6 Mbps only
+ */
+ if (link_conf->beacon_rate &&
+ (link_conf->beacon_rate->bitrate == 10 ||
+ link_conf->beacon_rate->bitrate == 60)) {
+ cmd->flags |= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK);
+ cmd->lprx_rssi_threshold = POWER_LPRX_RSSI_THRESHOLD;
+ }
+ }
+
+ if (d3) {
+ iwl_mld_power_config_skip_dtim(mld, link_conf,
+ &cmd->skip_dtim_periods,
+ &cmd->flags);
+ cmd->rx_data_timeout =
+ cpu_to_le32(IWL_MLD_WOWLAN_PS_RX_DATA_TIMEOUT);
+ cmd->tx_data_timeout =
+ cpu_to_le32(IWL_MLD_WOWLAN_PS_TX_DATA_TIMEOUT);
+ } else if (iwl_mld_vif_low_latency(mld_vif) && vif->p2p) {
+ cmd->tx_data_timeout =
+ cpu_to_le32(IWL_MLD_SHORT_PS_TX_DATA_TIMEOUT);
+ cmd->rx_data_timeout =
+ cpu_to_le32(IWL_MLD_SHORT_PS_RX_DATA_TIMEOUT);
+ } else {
+ cmd->rx_data_timeout =
+ cpu_to_le32(IWL_MLD_DEFAULT_PS_RX_DATA_TIMEOUT);
+ cmd->tx_data_timeout =
+ cpu_to_le32(IWL_MLD_DEFAULT_PS_TX_DATA_TIMEOUT);
+ }
+
#ifdef CONFIG_IWLWIFI_DEBUGFS
ps_poll = mld_vif->use_ps_poll;
#endif
int iwl_mld_update_mac_power(struct iwl_mld *mld, struct ieee80211_vif *vif,
bool d3)
{
- struct iwl_mac_power_cmd cmd = {};
+ int cmd_ver = iwl_fw_lookup_cmd_ver(mld->fw, MAC_PM_POWER_TABLE, 0);
- iwl_mld_power_build_cmd(mld, vif, &cmd, d3);
+ if (cmd_ver >= 3) {
+ struct iwl_mac_power_cmd cmd = {};
- return iwl_mld_send_cmd_pdu(mld, MAC_PM_POWER_TABLE, &cmd);
+ iwl_mld_power_build_cmd(mld, vif, &cmd, d3);
+ return iwl_mld_send_cmd_with_flags_pdu(mld,
+ MAC_PM_POWER_TABLE, 0,
+ &cmd, sizeof(cmd));
+ } else {
+ struct iwl_mac_power_cmd_v2 cmd = {};
+
+ iwl_mld_power_build_cmd_v2(mld, vif, &cmd, d3);
+ return iwl_mld_send_cmd_with_flags_pdu(mld,
+ MAC_PM_POWER_TABLE, 0,
+ &cmd, sizeof(cmd));
+ }
}
static void
/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
/*
- * Copyright (C) 2012-2014, 2018-2025 Intel Corporation
+ * Copyright (C) 2012-2014, 2018-2026 Intel Corporation
* Copyright (C) 2013-2015 Intel Mobile Communications GmbH
* Copyright (C) 2016-2017 Intel Deutschland GmbH
*/
struct dentry *dbgfs_slink;
struct iwl_dbgfs_pm dbgfs_pm;
struct iwl_dbgfs_bf dbgfs_bf;
- struct iwl_mac_power_cmd mac_pwr_cmd;
+ struct iwl_mac_power_cmd_v2 mac_pwr_cmd;
int dbgfs_quota_min;
bool ftm_unprotected;
#endif
// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/*
- * Copyright (C) 2012-2014, 2018-2019, 2021-2025 Intel Corporation
+ * Copyright (C) 2012-2014, 2018-2019, 2021-2026 Intel Corporation
* Copyright (C) 2013-2014 Intel Mobile Communications GmbH
* Copyright (C) 2015-2017 Intel Deutschland GmbH
*/
}
static void iwl_mvm_power_log(struct iwl_mvm *mvm,
- struct iwl_mac_power_cmd *cmd)
+ struct iwl_mac_power_cmd_v2 *cmd)
{
IWL_DEBUG_POWER(mvm,
"Sending power table command on mac id 0x%X for power level %d, flags = 0x%X\n",
static void iwl_mvm_power_configure_uapsd(struct iwl_mvm *mvm,
struct ieee80211_vif *vif,
- struct iwl_mac_power_cmd *cmd)
+ struct iwl_mac_power_cmd_v2 *cmd)
{
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
enum ieee80211_ac_numbers ac;
static void iwl_mvm_power_config_skip_dtim(struct iwl_mvm *mvm,
struct ieee80211_vif *vif,
- struct iwl_mac_power_cmd *cmd)
+ struct iwl_mac_power_cmd_v2 *cmd)
{
struct ieee80211_bss_conf *link_conf;
unsigned int min_link_skip = ~0;
static void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm,
struct ieee80211_vif *vif,
- struct iwl_mac_power_cmd *cmd)
+ struct iwl_mac_power_cmd_v2 *cmd)
{
int dtimper, bi;
int keep_alive;
static int iwl_mvm_power_send_cmd(struct iwl_mvm *mvm,
struct ieee80211_vif *vif)
{
- struct iwl_mac_power_cmd cmd = {};
+ struct iwl_mac_power_cmd_v2 cmd = {};
iwl_mvm_power_build_cmd(mvm, vif, &cmd);
iwl_mvm_power_log(mvm, &cmd);
int bufsz)
{
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
- struct iwl_mac_power_cmd cmd = {};
+ struct iwl_mac_power_cmd_v2 cmd = {};
int pos = 0;
mutex_lock(&mvm->mutex);
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