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-rw-r--r--drivers/net/wireless/ath/ath11k/core.h11
-rw-r--r--drivers/net/wireless/ath/ath11k/debugfs.c201
-rw-r--r--drivers/net/wireless/ath/ath11k/debugfs_sta.c107
-rw-r--r--drivers/net/wireless/ath/ath11k/mac.c1
-rw-r--r--drivers/net/wireless/ath/ath11k/trace.h28
-rw-r--r--drivers/net/wireless/ath/ath11k/wmi.c104
-rw-r--r--drivers/net/wireless/ath/ath11k/wmi.h21
7 files changed, 473 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath11k/core.h b/drivers/net/wireless/ath/ath11k/core.h
index b6246a2f2496..cf2f52cc4e30 100644
--- a/drivers/net/wireless/ath/ath11k/core.h
+++ b/drivers/net/wireless/ath/ath11k/core.h
@@ -498,6 +498,13 @@ struct ath11k_sta {
bool use_4addr_set;
u16 tcl_metadata;
+
+ /* Protected with ar->data_lock */
+ enum ath11k_wmi_peer_ps_state peer_ps_state;
+ u64 ps_start_time;
+ u64 ps_start_jiffies;
+ u64 ps_total_duration;
+ bool peer_current_ps_valid;
};
#define ATH11K_MIN_5G_FREQ 4150
@@ -710,6 +717,10 @@ struct ath11k {
struct ath11k_fw_stats fw_stats;
struct completion fw_stats_complete;
bool fw_stats_done;
+
+ /* protected by conf_mutex */
+ bool ps_state_enable;
+ bool ps_timekeeper_enable;
};
struct ath11k_band_cap {
diff --git a/drivers/net/wireless/ath/ath11k/debugfs.c b/drivers/net/wireless/ath/ath11k/debugfs.c
index d6c14d054e0b..ccdf3d5ba1ab 100644
--- a/drivers/net/wireless/ath/ath11k/debugfs.c
+++ b/drivers/net/wireless/ath/ath11k/debugfs.c
@@ -1369,6 +1369,193 @@ static const struct file_operations fops_dbr_debug = {
.llseek = default_llseek,
};
+static ssize_t ath11k_write_ps_timekeeper_enable(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath11k *ar = file->private_data;
+ ssize_t ret;
+ u8 ps_timekeeper_enable;
+
+ if (kstrtou8_from_user(user_buf, count, 0, &ps_timekeeper_enable))
+ return -EINVAL;
+
+ mutex_lock(&ar->conf_mutex);
+
+ if (ar->state != ATH11K_STATE_ON) {
+ ret = -ENETDOWN;
+ goto exit;
+ }
+
+ if (!ar->ps_state_enable) {
+ ret = -EINVAL;
+ goto exit;
+ }
+
+ ar->ps_timekeeper_enable = !!ps_timekeeper_enable;
+ ret = count;
+exit:
+ mutex_unlock(&ar->conf_mutex);
+
+ return ret;
+}
+
+static ssize_t ath11k_read_ps_timekeeper_enable(struct file *file,
+ char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath11k *ar = file->private_data;
+ char buf[32];
+ int len;
+
+ mutex_lock(&ar->conf_mutex);
+ len = scnprintf(buf, sizeof(buf), "%d\n", ar->ps_timekeeper_enable);
+ mutex_unlock(&ar->conf_mutex);
+
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static const struct file_operations fops_ps_timekeeper_enable = {
+ .read = ath11k_read_ps_timekeeper_enable,
+ .write = ath11k_write_ps_timekeeper_enable,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+static void ath11k_reset_peer_ps_duration(void *data,
+ struct ieee80211_sta *sta)
+{
+ struct ath11k *ar = data;
+ struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
+
+ spin_lock_bh(&ar->data_lock);
+ arsta->ps_total_duration = 0;
+ spin_unlock_bh(&ar->data_lock);
+}
+
+static ssize_t ath11k_write_reset_ps_duration(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath11k *ar = file->private_data;
+ int ret;
+ u8 reset_ps_duration;
+
+ if (kstrtou8_from_user(user_buf, count, 0, &reset_ps_duration))
+ return -EINVAL;
+
+ mutex_lock(&ar->conf_mutex);
+
+ if (ar->state != ATH11K_STATE_ON) {
+ ret = -ENETDOWN;
+ goto exit;
+ }
+
+ if (!ar->ps_state_enable) {
+ ret = -EINVAL;
+ goto exit;
+ }
+
+ ieee80211_iterate_stations_atomic(ar->hw,
+ ath11k_reset_peer_ps_duration,
+ ar);
+
+ ret = count;
+exit:
+ mutex_unlock(&ar->conf_mutex);
+ return ret;
+}
+
+static const struct file_operations fops_reset_ps_duration = {
+ .write = ath11k_write_reset_ps_duration,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+static void ath11k_peer_ps_state_disable(void *data,
+ struct ieee80211_sta *sta)
+{
+ struct ath11k *ar = data;
+ struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
+
+ spin_lock_bh(&ar->data_lock);
+ arsta->peer_ps_state = WMI_PEER_PS_STATE_DISABLED;
+ arsta->ps_start_time = 0;
+ arsta->ps_total_duration = 0;
+ spin_unlock_bh(&ar->data_lock);
+}
+
+static ssize_t ath11k_write_ps_state_enable(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath11k *ar = file->private_data;
+ struct ath11k_pdev *pdev = ar->pdev;
+ int ret;
+ u32 param;
+ u8 ps_state_enable;
+
+ if (kstrtou8_from_user(user_buf, count, 0, &ps_state_enable))
+ return -EINVAL;
+
+ mutex_lock(&ar->conf_mutex);
+
+ ps_state_enable = !!ps_state_enable;
+
+ if (ar->ps_state_enable == ps_state_enable) {
+ ret = count;
+ goto exit;
+ }
+
+ param = WMI_PDEV_PEER_STA_PS_STATECHG_ENABLE;
+ ret = ath11k_wmi_pdev_set_param(ar, param, ps_state_enable, pdev->pdev_id);
+ if (ret) {
+ ath11k_warn(ar->ab, "failed to enable ps_state_enable: %d\n",
+ ret);
+ goto exit;
+ }
+ ar->ps_state_enable = ps_state_enable;
+
+ if (!ar->ps_state_enable) {
+ ar->ps_timekeeper_enable = false;
+ ieee80211_iterate_stations_atomic(ar->hw,
+ ath11k_peer_ps_state_disable,
+ ar);
+ }
+
+ ret = count;
+
+exit:
+ mutex_unlock(&ar->conf_mutex);
+
+ return ret;
+}
+
+static ssize_t ath11k_read_ps_state_enable(struct file *file,
+ char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath11k *ar = file->private_data;
+ char buf[32];
+ int len;
+
+ mutex_lock(&ar->conf_mutex);
+ len = scnprintf(buf, sizeof(buf), "%d\n", ar->ps_state_enable);
+ mutex_unlock(&ar->conf_mutex);
+
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static const struct file_operations fops_ps_state_enable = {
+ .read = ath11k_read_ps_state_enable,
+ .write = ath11k_write_ps_state_enable,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
int ath11k_debugfs_register(struct ath11k *ar)
{
struct ath11k_base *ab = ar->ab;
@@ -1415,6 +1602,20 @@ int ath11k_debugfs_register(struct ath11k *ar)
debugfs_create_file("enable_dbr_debug", 0200, ar->debug.debugfs_pdev,
ar, &fops_dbr_debug);
+ debugfs_create_file("ps_state_enable", 0600, ar->debug.debugfs_pdev, ar,
+ &fops_ps_state_enable);
+
+ if (test_bit(WMI_TLV_SERVICE_PEER_POWER_SAVE_DURATION_SUPPORT,
+ ar->ab->wmi_ab.svc_map)) {
+ debugfs_create_file("ps_timekeeper_enable", 0600,
+ ar->debug.debugfs_pdev, ar,
+ &fops_ps_timekeeper_enable);
+
+ debugfs_create_file("reset_ps_duration", 0200,
+ ar->debug.debugfs_pdev, ar,
+ &fops_reset_ps_duration);
+ }
+
return 0;
}
diff --git a/drivers/net/wireless/ath/ath11k/debugfs_sta.c b/drivers/net/wireless/ath/ath11k/debugfs_sta.c
index 1b1acbdf837a..9cc4ef28e751 100644
--- a/drivers/net/wireless/ath/ath11k/debugfs_sta.c
+++ b/drivers/net/wireless/ath/ath11k/debugfs_sta.c
@@ -751,6 +751,102 @@ static const struct file_operations fops_htt_peer_stats_reset = {
.llseek = default_llseek,
};
+static ssize_t ath11k_dbg_sta_read_peer_ps_state(struct file *file,
+ char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ieee80211_sta *sta = file->private_data;
+ struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
+ struct ath11k *ar = arsta->arvif->ar;
+ char buf[20];
+ int len;
+
+ spin_lock_bh(&ar->data_lock);
+
+ len = scnprintf(buf, sizeof(buf), "%d\n", arsta->peer_ps_state);
+
+ spin_unlock_bh(&ar->data_lock);
+
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static const struct file_operations fops_peer_ps_state = {
+ .open = simple_open,
+ .read = ath11k_dbg_sta_read_peer_ps_state,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+static ssize_t ath11k_dbg_sta_read_current_ps_duration(struct file *file,
+ char __user *user_buf,
+ size_t count,
+ loff_t *ppos)
+{
+ struct ieee80211_sta *sta = file->private_data;
+ struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
+ struct ath11k *ar = arsta->arvif->ar;
+ u64 time_since_station_in_power_save;
+ char buf[20];
+ int len;
+
+ spin_lock_bh(&ar->data_lock);
+
+ if (arsta->peer_ps_state == WMI_PEER_PS_STATE_ON &&
+ arsta->peer_current_ps_valid)
+ time_since_station_in_power_save = jiffies_to_msecs(jiffies
+ - arsta->ps_start_jiffies);
+ else
+ time_since_station_in_power_save = 0;
+
+ len = scnprintf(buf, sizeof(buf), "%llu\n",
+ time_since_station_in_power_save);
+ spin_unlock_bh(&ar->data_lock);
+
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static const struct file_operations fops_current_ps_duration = {
+ .open = simple_open,
+ .read = ath11k_dbg_sta_read_current_ps_duration,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+static ssize_t ath11k_dbg_sta_read_total_ps_duration(struct file *file,
+ char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ieee80211_sta *sta = file->private_data;
+ struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
+ struct ath11k *ar = arsta->arvif->ar;
+ char buf[20];
+ u64 power_save_duration;
+ int len;
+
+ spin_lock_bh(&ar->data_lock);
+
+ if (arsta->peer_ps_state == WMI_PEER_PS_STATE_ON &&
+ arsta->peer_current_ps_valid)
+ power_save_duration = jiffies_to_msecs(jiffies
+ - arsta->ps_start_jiffies)
+ + arsta->ps_total_duration;
+ else
+ power_save_duration = arsta->ps_total_duration;
+
+ len = scnprintf(buf, sizeof(buf), "%llu\n", power_save_duration);
+
+ spin_unlock_bh(&ar->data_lock);
+
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static const struct file_operations fops_total_ps_duration = {
+ .open = simple_open,
+ .read = ath11k_dbg_sta_read_total_ps_duration,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
void ath11k_debugfs_sta_op_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, struct dentry *dir)
{
@@ -778,4 +874,15 @@ void ath11k_debugfs_sta_op_add(struct ieee80211_hw *hw, struct ieee80211_vif *vi
ar->ab->wmi_ab.svc_map))
debugfs_create_file("htt_peer_stats_reset", 0600, dir, sta,
&fops_htt_peer_stats_reset);
+
+ debugfs_create_file("peer_ps_state", 0400, dir, sta,
+ &fops_peer_ps_state);
+
+ if (test_bit(WMI_TLV_SERVICE_PEER_POWER_SAVE_DURATION_SUPPORT,
+ ar->ab->wmi_ab.svc_map)) {
+ debugfs_create_file("current_ps_duration", 0440, dir, sta,
+ &fops_current_ps_duration);
+ debugfs_create_file("total_ps_duration", 0440, dir, sta,
+ &fops_total_ps_duration);
+ }
}
diff --git a/drivers/net/wireless/ath/ath11k/mac.c b/drivers/net/wireless/ath/ath11k/mac.c
index dc391609e952..d2c50b1ad7ef 100644
--- a/drivers/net/wireless/ath/ath11k/mac.c
+++ b/drivers/net/wireless/ath/ath11k/mac.c
@@ -4529,6 +4529,7 @@ static int ath11k_mac_op_sta_state(struct ieee80211_hw *hw,
new_state == IEEE80211_STA_NONE) {
memset(arsta, 0, sizeof(*arsta));
arsta->arvif = arvif;
+ arsta->peer_ps_state = WMI_PEER_PS_STATE_DISABLED;
INIT_WORK(&arsta->update_wk, ath11k_sta_rc_update_wk);
INIT_WORK(&arsta->set_4addr_wk, ath11k_sta_set_4addr_wk);
diff --git a/drivers/net/wireless/ath/ath11k/trace.h b/drivers/net/wireless/ath/ath11k/trace.h
index 76560587bea0..9535745fe026 100644
--- a/drivers/net/wireless/ath/ath11k/trace.h
+++ b/drivers/net/wireless/ath/ath11k/trace.h
@@ -305,6 +305,34 @@ TRACE_EVENT(ath11k_wmi_diag,
)
);
+TRACE_EVENT(ath11k_ps_timekeeper,
+ TP_PROTO(struct ath11k *ar, const void *peer_addr,
+ u32 peer_ps_timestamp, u8 peer_ps_state),
+ TP_ARGS(ar, peer_addr, peer_ps_timestamp, peer_ps_state),
+
+ TP_STRUCT__entry(__string(device, dev_name(ar->ab->dev))
+ __string(driver, dev_driver_string(ar->ab->dev))
+ __dynamic_array(u8, peer_addr, ETH_ALEN)
+ __field(u8, peer_ps_state)
+ __field(u32, peer_ps_timestamp)
+ ),
+
+ TP_fast_assign(__assign_str(device, dev_name(ar->ab->dev));
+ __assign_str(driver, dev_driver_string(ar->ab->dev));
+ memcpy(__get_dynamic_array(peer_addr), peer_addr,
+ ETH_ALEN);
+ __entry->peer_ps_state = peer_ps_state;
+ __entry->peer_ps_timestamp = peer_ps_timestamp;
+ ),
+
+ TP_printk("%s %s %u %u",
+ __get_str(driver),
+ __get_str(device),
+ __entry->peer_ps_state,
+ __entry->peer_ps_timestamp
+ )
+);
+
#endif /* _TRACE_H_ || TRACE_HEADER_MULTI_READ*/
/* we don't want to use include/trace/events */
diff --git a/drivers/net/wireless/ath/ath11k/wmi.c b/drivers/net/wireless/ath/ath11k/wmi.c
index 99af4eb2c151..fad9f8d308a2 100644
--- a/drivers/net/wireless/ath/ath11k/wmi.c
+++ b/drivers/net/wireless/ath/ath11k/wmi.c
@@ -6802,6 +6802,107 @@ static void ath11k_bcn_tx_status_event(struct ath11k_base *ab, struct sk_buff *s
rcu_read_unlock();
}
+static void ath11k_wmi_event_peer_sta_ps_state_chg(struct ath11k_base *ab,
+ struct sk_buff *skb)
+{
+ const struct wmi_peer_sta_ps_state_chg_event *ev;
+ struct ieee80211_sta *sta;
+ struct ath11k_peer *peer;
+ struct ath11k *ar;
+ struct ath11k_sta *arsta;
+ const void **tb;
+ enum ath11k_wmi_peer_ps_state peer_previous_ps_state;
+ int ret;
+
+ tb = ath11k_wmi_tlv_parse_alloc(ab, skb->data, skb->len, GFP_ATOMIC);
+ if (IS_ERR(tb)) {
+ ret = PTR_ERR(tb);
+ ath11k_warn(ab, "failed to parse tlv: %d\n", ret);
+ return;
+ }
+
+ ev = tb[WMI_TAG_PEER_STA_PS_STATECHANGE_EVENT];
+ if (!ev) {
+ ath11k_warn(ab, "failed to fetch sta ps change ev");
+ kfree(tb);
+ return;
+ }
+
+ ath11k_dbg(ab, ATH11K_DBG_WMI,
+ "peer sta ps chnange ev addr %pM state %u sup_bitmap %x ps_valid %u ts %u\n",
+ ev->peer_macaddr.addr, ev->peer_ps_state,
+ ev->ps_supported_bitmap, ev->peer_ps_valid,
+ ev->peer_ps_timestamp);
+
+ rcu_read_lock();
+
+ spin_lock_bh(&ab->base_lock);
+
+ peer = ath11k_peer_find_by_addr(ab, ev->peer_macaddr.addr);
+
+ if (!peer) {
+ spin_unlock_bh(&ab->base_lock);
+ ath11k_warn(ab, "peer not found %pM\n", ev->peer_macaddr.addr);
+ goto exit;
+ }
+
+ ar = ath11k_mac_get_ar_by_vdev_id(ab, peer->vdev_id);
+
+ if (!ar) {
+ spin_unlock_bh(&ab->base_lock);
+ ath11k_warn(ab, "invalid vdev id in peer sta ps state change ev %d",
+ peer->vdev_id);
+
+ goto exit;
+ }
+
+ sta = peer->sta;
+
+ spin_unlock_bh(&ab->base_lock);
+
+ if (!sta) {
+ ath11k_warn(ab, "failed to find station entry %pM\n",
+ ev->peer_macaddr.addr);
+ goto exit;
+ }
+
+ arsta = (struct ath11k_sta *)sta->drv_priv;
+
+ spin_lock_bh(&ar->data_lock);
+
+ peer_previous_ps_state = arsta->peer_ps_state;
+ arsta->peer_ps_state = ev->peer_ps_state;
+ arsta->peer_current_ps_valid = !!ev->peer_ps_valid;
+
+ if (test_bit(WMI_TLV_SERVICE_PEER_POWER_SAVE_DURATION_SUPPORT,
+ ar->ab->wmi_ab.svc_map)) {
+ if (!(ev->ps_supported_bitmap & WMI_PEER_PS_VALID) ||
+ !(ev->ps_supported_bitmap & WMI_PEER_PS_STATE_TIMESTAMP) ||
+ !ev->peer_ps_valid)
+ goto out;
+
+ if (arsta->peer_ps_state == WMI_PEER_PS_STATE_ON) {
+ arsta->ps_start_time = ev->peer_ps_timestamp;
+ arsta->ps_start_jiffies = jiffies;
+ } else if (arsta->peer_ps_state == WMI_PEER_PS_STATE_OFF &&
+ peer_previous_ps_state == WMI_PEER_PS_STATE_ON) {
+ arsta->ps_total_duration = arsta->ps_total_duration +
+ (ev->peer_ps_timestamp - arsta->ps_start_time);
+ }
+
+ if (ar->ps_timekeeper_enable)
+ trace_ath11k_ps_timekeeper(ar, ev->peer_macaddr.addr,
+ ev->peer_ps_timestamp,
+ arsta->peer_ps_state);
+ }
+
+out:
+ spin_unlock_bh(&ar->data_lock);
+exit:
+ rcu_read_unlock();
+ kfree(tb);
+}
+
static void ath11k_vdev_stopped_event(struct ath11k_base *ab, struct sk_buff *skb)
{
struct ath11k *ar;
@@ -8041,6 +8142,9 @@ static void ath11k_wmi_tlv_op_rx(struct ath11k_base *ab, struct sk_buff *skb)
case WMI_DIAG_EVENTID:
ath11k_wmi_diag_event(ab, skb);
break;
+ case WMI_PEER_STA_PS_STATECHG_EVENTID:
+ ath11k_wmi_event_peer_sta_ps_state_chg(ab, skb);
+ break;
case WMI_GTK_OFFLOAD_STATUS_EVENTID:
ath11k_wmi_gtk_offload_status_event(ab, skb);
break;
diff --git a/drivers/net/wireless/ath/ath11k/wmi.h b/drivers/net/wireless/ath/ath11k/wmi.h
index c3105504bcb6..8f2c07d70a4a 100644
--- a/drivers/net/wireless/ath/ath11k/wmi.h
+++ b/drivers/net/wireless/ath/ath11k/wmi.h
@@ -2090,6 +2090,7 @@ enum wmi_tlv_service {
WMI_TLV_SERVICE_PER_PEER_HTT_STATS_RESET = 213,
WMI_TLV_SERVICE_FREQINFO_IN_METADATA = 219,
WMI_TLV_SERVICE_EXT2_MSG = 220,
+ WMI_TLV_SERVICE_PEER_POWER_SAVE_DURATION_SUPPORT = 246,
WMI_TLV_SERVICE_SRG_SRP_SPATIAL_REUSE_SUPPORT = 249,
/* The second 128 bits */
@@ -5369,6 +5370,26 @@ struct wmi_debug_log_config_cmd_fixed_param {
#define WMI_SERVICE_READY_TIMEOUT_HZ (5 * HZ)
#define WMI_SEND_TIMEOUT_HZ (3 * HZ)
+enum ath11k_wmi_peer_ps_state {
+ WMI_PEER_PS_STATE_OFF,
+ WMI_PEER_PS_STATE_ON,
+ WMI_PEER_PS_STATE_DISABLED,
+};
+
+enum wmi_peer_ps_supported_bitmap {
+ /* Used to indicate that power save state change is valid */
+ WMI_PEER_PS_VALID = 0x1,
+ WMI_PEER_PS_STATE_TIMESTAMP = 0x2,
+};
+
+struct wmi_peer_sta_ps_state_chg_event {
+ struct wmi_mac_addr peer_macaddr;
+ u32 peer_ps_state;
+ u32 ps_supported_bitmap;
+ u32 peer_ps_valid;
+ u32 peer_ps_timestamp;
+} __packed;
+
struct ath11k_wmi_base {
struct ath11k_base *ab;
struct ath11k_pdev_wmi wmi[MAX_RADIOS];
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.