diff options
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/mac80211.c | 53 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/mvm.h | 10 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/rx.c | 14 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/utils.c | 9 |
4 files changed, 82 insertions, 4 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c index 0f986d7..ce5a5ff 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c @@ -1322,6 +1322,11 @@ static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, mutex_lock(&mvm->mutex); + /* make sure that beacon statistics don't go backwards with FW reset */ + if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) + mvmvif->beacon_stats.accu_num_beacons += + mvmvif->beacon_stats.num_beacons; + /* Allocate resources for the MAC context, and add it to the fw */ ret = iwl_mvm_mac_ctxt_init(mvm, vif); if (ret) @@ -1815,6 +1820,11 @@ static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, if (changes & BSS_CHANGED_ASSOC) { if (bss_conf->assoc) { + /* clear statistics to get clean beacon counter */ + iwl_mvm_request_statistics(mvm, true); + memset(&mvmvif->beacon_stats, 0, + sizeof(mvmvif->beacon_stats)); + /* add quota for this interface */ ret = iwl_mvm_update_quotas(mvm, NULL); if (ret) { @@ -3597,7 +3607,7 @@ static int iwl_mvm_mac_get_survey(struct ieee80211_hw *hw, int idx, mutex_lock(&mvm->mutex); if (mvm->ucode_loaded) { - ret = iwl_mvm_request_statistics(mvm); + ret = iwl_mvm_request_statistics(mvm, false); if (ret) goto out; } @@ -3627,6 +3637,46 @@ static int iwl_mvm_mac_get_survey(struct ieee80211_hw *hw, int idx, return ret; } +static void iwl_mvm_mac_sta_statistics(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct station_info *sinfo) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); + + if (!(mvm->fw->ucode_capa.capa[0] & + IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS)) + return; + + /* if beacon filtering isn't on mac80211 does it anyway */ + if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER)) + return; + + if (!vif->bss_conf.assoc) + return; + + mutex_lock(&mvm->mutex); + + if (mvmvif->ap_sta_id != mvmsta->sta_id) + goto unlock; + + if (iwl_mvm_request_statistics(mvm, false)) + goto unlock; + + sinfo->rx_beacon = mvmvif->beacon_stats.num_beacons + + mvmvif->beacon_stats.accu_num_beacons; + sinfo->filled |= BIT(NL80211_STA_INFO_BEACON_RX); + if (mvmvif->beacon_stats.avg_signal) { + /* firmware only reports a value after RXing a few beacons */ + sinfo->rx_beacon_signal_avg = mvmvif->beacon_stats.avg_signal; + sinfo->filled |= BIT(NL80211_STA_INFO_BEACON_SIGNAL_AVG); + } + unlock: + mutex_unlock(&mvm->mutex); +} + const struct ieee80211_ops iwl_mvm_hw_ops = { .tx = iwl_mvm_mac_tx, .ampdu_action = iwl_mvm_mac_ampdu_action, @@ -3694,4 +3744,5 @@ const struct ieee80211_ops iwl_mvm_hw_ops = { .set_default_unicast_key = iwl_mvm_set_default_unicast_key, #endif .get_survey = iwl_mvm_mac_get_survey, + .sta_statistics = iwl_mvm_mac_sta_statistics, }; diff --git a/drivers/net/wireless/iwlwifi/mvm/mvm.h b/drivers/net/wireless/iwlwifi/mvm/mvm.h index 90a1ea3..5e383db 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/iwlwifi/mvm/mvm.h @@ -337,6 +337,9 @@ struct iwl_mvm_vif_bf_data { * @beacon_skb: the skb used to hold the AP/GO beacon template * @smps_requests: the SMPS requests of differents parts of the driver, * combined on update to yield the overall request to mac80211. + * @beacon_stats: beacon statistics, containing the # of received beacons, + * # of received beacons accumulated over FW restart, and the current + * average signal of beacons retrieved from the firmware */ struct iwl_mvm_vif { u16 id; @@ -354,6 +357,11 @@ struct iwl_mvm_vif { bool ps_disabled; struct iwl_mvm_vif_bf_data bf_data; + struct { + u32 num_beacons, accu_num_beacons; + u8 avg_signal; + } beacon_stats; + u32 ap_beacon_time; enum iwl_tsf_id tsf_id; @@ -963,7 +971,7 @@ void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm, int iwl_mvm_rx_statistics(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, struct iwl_device_cmd *cmd); -int iwl_mvm_request_statistics(struct iwl_mvm *mvm); +int iwl_mvm_request_statistics(struct iwl_mvm *mvm, bool clear); void iwl_mvm_accu_radio_stats(struct iwl_mvm *mvm); /* NVM */ diff --git a/drivers/net/wireless/iwlwifi/mvm/rx.c b/drivers/net/wireless/iwlwifi/mvm/rx.c index 2486931..b86ff66 100644 --- a/drivers/net/wireless/iwlwifi/mvm/rx.c +++ b/drivers/net/wireless/iwlwifi/mvm/rx.c @@ -427,6 +427,7 @@ struct iwl_mvm_stat_data { struct iwl_mvm *mvm; __le32 mac_id; __s8 beacon_filter_average_energy; + struct mvm_statistics_general_v8 *general; }; static void iwl_mvm_stat_iterator(void *_data, u8 *mac, @@ -441,6 +442,17 @@ static void iwl_mvm_stat_iterator(void *_data, u8 *mac, u16 id = le32_to_cpu(data->mac_id); struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + /* This doesn't need the MAC ID check since it's not taking the + * data copied into the "data" struct, but rather the data from + * the notification directly. + */ + if (data->general) { + mvmvif->beacon_stats.num_beacons = + le32_to_cpu(data->general->beacon_counter[mvmvif->id]); + mvmvif->beacon_stats.avg_signal = + -data->general->beacon_average_energy[mvmvif->id]; + } + if (mvmvif->id != id) return; @@ -525,6 +537,8 @@ void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm, le64_to_cpu(stats->general.on_time_rf); mvm->radio_stats.on_time_scan = le64_to_cpu(stats->general.on_time_scan); + + data.general = &stats->general; } else { struct iwl_notif_statistics_v8 *stats = (void *)&pkt->data; diff --git a/drivers/net/wireless/iwlwifi/mvm/utils.c b/drivers/net/wireless/iwlwifi/mvm/utils.c index 8bdfb8b..a501223 100644 --- a/drivers/net/wireless/iwlwifi/mvm/utils.c +++ b/drivers/net/wireless/iwlwifi/mvm/utils.c @@ -643,9 +643,11 @@ void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif, ieee80211_request_smps(vif, smps_mode); } -int iwl_mvm_request_statistics(struct iwl_mvm *mvm) +int iwl_mvm_request_statistics(struct iwl_mvm *mvm, bool clear) { - struct iwl_statistics_cmd scmd = {}; + struct iwl_statistics_cmd scmd = { + .flags = clear ? cpu_to_le32(IWL_STATISTICS_FLG_CLEAR) : 0, + }; struct iwl_host_cmd cmd = { .id = STATISTICS_CMD, .len[0] = sizeof(scmd), @@ -661,6 +663,9 @@ int iwl_mvm_request_statistics(struct iwl_mvm *mvm) iwl_mvm_handle_rx_statistics(mvm, cmd.resp_pkt); iwl_free_resp(&cmd); + if (clear) + iwl_mvm_accu_radio_stats(mvm); + return 0; } |
