@@ -1392,6 +1392,7 @@ static void ath10k_core_restart(struct work_struct *work)
complete_all(&ar->install_key_done);
complete_all(&ar->vdev_setup_done);
complete_all(&ar->thermal.wmi_sync);
+ complete_all(&ar->bss_survey_done);
wake_up(&ar->htt.empty_tx_wq);
wake_up(&ar->wmi.tx_credits_wq);
wake_up(&ar->peer_mapping_wq);
@@ -1724,6 +1725,9 @@ int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode,
if (ath10k_peer_stats_enabled(ar))
val = WMI_10_4_PEER_STATS;
+ if (test_bit(WMI_SERVICE_BSS_CHANNEL_INFO_64, ar->wmi.svc_map))
+ val |= WMI_10_4_BSS_CHANNEL_INFO_64;
+
status = ath10k_mac_ext_resource_config(ar, val);
if (status) {
ath10k_err(ar,
@@ -2085,6 +2089,7 @@ struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev,
init_completion(&ar->install_key_done);
init_completion(&ar->vdev_setup_done);
init_completion(&ar->thermal.wmi_sync);
+ init_completion(&ar->bss_survey_done);
INIT_DELAYED_WORK(&ar->scan.timeout, ath10k_scan_timeout_work);
@@ -876,6 +876,7 @@ struct ath10k {
* avoid reporting garbage data.
*/
bool ch_info_can_report_survey;
+ struct completion bss_survey_done;
struct dfs_pattern_detector *dfs_detector;
@@ -6407,6 +6407,39 @@ static void ath10k_reconfig_complete(struct ieee80211_hw *hw,
mutex_unlock(&ar->conf_mutex);
}
+static void
+ath10k_mac_update_bss_chan_survey(struct ath10k *ar,
+ struct ieee80211_channel *channel)
+{
+ int ret;
+ enum wmi_bss_survey_req_type type = WMI_BSS_SURVEY_REQ_TYPE_READ_CLEAR;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ if (!test_bit(WMI_SERVICE_BSS_CHANNEL_INFO_64, ar->wmi.svc_map) ||
+ (ar->rx_channel != channel))
+ return;
+
+ if (ar->scan.state != ATH10K_SCAN_IDLE) {
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "ignoring bss chan info request while scanning..\n");
+ return;
+ }
+
+ reinit_completion(&ar->bss_survey_done);
+
+ ret = ath10k_wmi_pdev_bss_chan_info_request(ar, type);
+ if (ret) {
+ ath10k_warn(ar, "failed to send pdev bss chan info request\n");
+ return;
+ }
+
+ ret = wait_for_completion_timeout(&ar->bss_survey_done, 3 * HZ);
+ if (!ret) {
+ ath10k_warn(ar, "bss channel survey timed out\n");
+ return;
+ }
+}
+
static int ath10k_get_survey(struct ieee80211_hw *hw, int idx,
struct survey_info *survey)
{
@@ -6431,6 +6464,8 @@ static int ath10k_get_survey(struct ieee80211_hw *hw, int idx,
goto exit;
}
+ ath10k_mac_update_bss_chan_survey(ar, survey->channel);
+
spin_lock_bh(&ar->data_lock);
memcpy(survey, ar_survey, sizeof(*survey));
spin_unlock_bh(&ar->data_lock);
@@ -4797,8 +4797,11 @@ static int ath10k_wmi_event_pdev_bss_chan_info(struct ath10k *ar,
struct sk_buff *skb)
{
struct wmi_pdev_bss_chan_info_event *ev;
+ struct survey_info *survey;
u64 busy, total, tx, rx, rx_bss;
u32 freq, noise_floor;
+ u32 cc_freq_hz = ar->hw_params.channel_counters_freq_hz;
+ int idx;
ev = (struct wmi_pdev_bss_chan_info_event *)skb->data;
if (WARN_ON(skb->len < sizeof(*ev)))
@@ -4816,6 +4819,29 @@ static int ath10k_wmi_event_pdev_bss_chan_info(struct ath10k *ar,
"wmi event pdev bss chan info:\n freq: %d noise: %d cycle: busy %llu total %llu tx %llu rx %llu rx_bss %llu\n",
freq, noise_floor, busy, total, tx, rx, rx_bss);
+ spin_lock_bh(&ar->data_lock);
+ idx = freq_to_idx(ar, freq);
+ if (idx >= ARRAY_SIZE(ar->survey)) {
+ ath10k_warn(ar, "bss chan info: invalid frequency %d (idx %d out of bounds)\n",
+ freq, idx);
+ goto exit;
+ }
+
+ survey = &ar->survey[idx];
+
+ survey->noise = noise_floor;
+ survey->time = div_u64(total, cc_freq_hz);
+ survey->time_busy = div_u64(busy, cc_freq_hz);
+ survey->time_rx = div_u64(rx_bss, cc_freq_hz);
+ survey->time_tx = div_u64(tx, cc_freq_hz);
+ survey->filled |= (SURVEY_INFO_NOISE_DBM |
+ SURVEY_INFO_TIME |
+ SURVEY_INFO_TIME_BUSY |
+ SURVEY_INFO_TIME_RX |
+ SURVEY_INFO_TIME_TX);
+exit:
+ spin_unlock_bh(&ar->data_lock);
+ complete(&ar->bss_survey_done);
return 0;
}
@@ -5639,6 +5665,9 @@ static struct sk_buff *ath10k_wmi_10_2_op_gen_init(struct ath10k *ar)
if (ath10k_peer_stats_enabled(ar))
features |= WMI_10_2_PEER_STATS;
+ if (test_bit(WMI_SERVICE_BSS_CHANNEL_INFO_64, ar->wmi.svc_map))
+ features |= WMI_10_2_BSS_CHAN_INFO;
+
cmd->resource_config.feature_mask = __cpu_to_le32(features);
memcpy(&cmd->resource_config.common, &config, sizeof(config));