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-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/rx.c69
1 files changed, 36 insertions, 33 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rx.c b/drivers/net/wireless/intel/iwlwifi/mvm/rx.c
index 861d54641d1e..655bd1384158 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rx.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rx.c
@@ -7,7 +7,7 @@
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
- * Copyright(c) 2016 Intel Deutschland GmbH
+ * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -649,6 +649,9 @@ void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm,
.mvm = mvm,
};
int expected_size;
+ int i;
+ u8 *energy;
+ __le32 *bytes, *air_time;
if (iwl_mvm_is_cdb_supported(mvm))
expected_size = sizeof(*stats);
@@ -674,38 +677,6 @@ void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm,
le64_to_cpu(stats->general.common.on_time_scan);
data.general = &stats->general;
- if (iwl_mvm_has_new_rx_api(mvm)) {
- int i;
- u8 *energy;
- __le32 *bytes, *air_time;
-
- if (!iwl_mvm_is_cdb_supported(mvm)) {
- struct iwl_notif_statistics_v11 *v11 =
- (void *)&pkt->data;
-
- energy = (void *)&v11->load_stats.avg_energy;
- bytes = (void *)&v11->load_stats.byte_count;
- air_time = (void *)&v11->load_stats.air_time;
- } else {
- energy = (void *)&stats->load_stats.avg_energy;
- bytes = (void *)&stats->load_stats.byte_count;
- air_time = (void *)&stats->load_stats.air_time;
- }
-
- rcu_read_lock();
- for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++) {
- struct iwl_mvm_sta *sta;
-
- if (!energy[i])
- continue;
-
- sta = iwl_mvm_sta_from_staid_rcu(mvm, i);
- if (!sta)
- continue;
- sta->avg_energy = energy[i];
- }
- rcu_read_unlock();
- }
iwl_mvm_rx_stats_check_trigger(mvm, pkt);
@@ -713,7 +684,39 @@ void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm,
IEEE80211_IFACE_ITER_NORMAL,
iwl_mvm_stat_iterator,
&data);
+
+ if (!iwl_mvm_has_new_rx_api(mvm))
+ return;
+
+ if (!iwl_mvm_is_cdb_supported(mvm)) {
+ struct iwl_notif_statistics_v11 *v11 =
+ (void *)&pkt->data;
+
+ energy = (void *)&v11->load_stats.avg_energy;
+ bytes = (void *)&v11->load_stats.byte_count;
+ air_time = (void *)&v11->load_stats.air_time;
+ } else {
+ energy = (void *)&stats->load_stats.avg_energy;
+ bytes = (void *)&stats->load_stats.byte_count;
+ air_time = (void *)&stats->load_stats.air_time;
+ }
+
+ rcu_read_lock();
+ for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++) {
+ struct iwl_mvm_sta *sta;
+
+ if (!energy[i])
+ continue;
+
+ sta = iwl_mvm_sta_from_staid_rcu(mvm, i);
+ if (!sta)
+ continue;
+ sta->avg_energy = energy[i];
+ }
+ rcu_read_unlock();
+
return;
+
invalid:
IWL_ERR(mvm, "received invalid statistics size (%d)!\n",
iwl_rx_packet_payload_len(pkt));