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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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iwlwifi: mvm: Add RX statistics debugfs entry
Add a debugfs entry for the RX statistics received from the firmware. Signed-off-by: Matti Gottlieb <matti.gottlieb@intel.com> Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Matti Gottlieb
Johannes Berg
parent
147fc9be81
commit
3848ab6682
@ -592,6 +592,142 @@ static ssize_t iwl_dbgfs_bt_notif_read(struct file *file, char __user *user_buf,
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}
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#undef BT_MBOX_PRINT
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#define PRINT_STATS_LE32(_str, _val) \
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pos += scnprintf(buf + pos, bufsz - pos, \
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fmt_table, _str, \
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le32_to_cpu(_val))
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static ssize_t iwl_dbgfs_fw_rx_stats_read(struct file *file,
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char __user *user_buf, size_t count,
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loff_t *ppos)
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{
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struct iwl_mvm *mvm = file->private_data;
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static const char *fmt_table = "\t%-30s %10u\n";
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static const char *fmt_header = "%-32s\n";
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int pos = 0;
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char *buf;
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int ret;
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int bufsz = sizeof(struct mvm_statistics_rx_phy) * 20 +
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sizeof(struct mvm_statistics_rx_non_phy) * 10 +
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sizeof(struct mvm_statistics_rx_ht_phy) * 10 + 200;
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struct mvm_statistics_rx_phy *ofdm;
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struct mvm_statistics_rx_phy *cck;
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struct mvm_statistics_rx_non_phy *general;
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struct mvm_statistics_rx_ht_phy *ht;
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buf = kzalloc(bufsz, GFP_KERNEL);
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if (!buf)
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return -ENOMEM;
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mutex_lock(&mvm->mutex);
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ofdm = &mvm->rx_stats.ofdm;
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cck = &mvm->rx_stats.cck;
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general = &mvm->rx_stats.general;
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ht = &mvm->rx_stats.ofdm_ht;
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pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
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"Statistics_Rx - OFDM");
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PRINT_STATS_LE32("ina_cnt", ofdm->ina_cnt);
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PRINT_STATS_LE32("fina_cnt", ofdm->fina_cnt);
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PRINT_STATS_LE32("plcp_err", ofdm->plcp_err);
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PRINT_STATS_LE32("crc32_err", ofdm->crc32_err);
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PRINT_STATS_LE32("overrun_err", ofdm->overrun_err);
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PRINT_STATS_LE32("early_overrun_err", ofdm->early_overrun_err);
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PRINT_STATS_LE32("crc32_good", ofdm->crc32_good);
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PRINT_STATS_LE32("false_alarm_cnt", ofdm->false_alarm_cnt);
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PRINT_STATS_LE32("fina_sync_err_cnt", ofdm->fina_sync_err_cnt);
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PRINT_STATS_LE32("sfd_timeout", ofdm->sfd_timeout);
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PRINT_STATS_LE32("fina_timeout", ofdm->fina_timeout);
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PRINT_STATS_LE32("unresponded_rts", ofdm->unresponded_rts);
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PRINT_STATS_LE32("rxe_frame_lmt_overrun",
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ofdm->rxe_frame_limit_overrun);
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PRINT_STATS_LE32("sent_ack_cnt", ofdm->sent_ack_cnt);
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PRINT_STATS_LE32("sent_cts_cnt", ofdm->sent_cts_cnt);
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PRINT_STATS_LE32("sent_ba_rsp_cnt", ofdm->sent_ba_rsp_cnt);
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PRINT_STATS_LE32("dsp_self_kill", ofdm->dsp_self_kill);
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PRINT_STATS_LE32("mh_format_err", ofdm->mh_format_err);
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PRINT_STATS_LE32("re_acq_main_rssi_sum", ofdm->re_acq_main_rssi_sum);
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PRINT_STATS_LE32("reserved", ofdm->reserved);
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pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
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"Statistics_Rx - CCK");
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PRINT_STATS_LE32("ina_cnt", cck->ina_cnt);
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PRINT_STATS_LE32("fina_cnt", cck->fina_cnt);
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PRINT_STATS_LE32("plcp_err", cck->plcp_err);
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PRINT_STATS_LE32("crc32_err", cck->crc32_err);
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PRINT_STATS_LE32("overrun_err", cck->overrun_err);
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PRINT_STATS_LE32("early_overrun_err", cck->early_overrun_err);
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PRINT_STATS_LE32("crc32_good", cck->crc32_good);
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PRINT_STATS_LE32("false_alarm_cnt", cck->false_alarm_cnt);
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PRINT_STATS_LE32("fina_sync_err_cnt", cck->fina_sync_err_cnt);
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PRINT_STATS_LE32("sfd_timeout", cck->sfd_timeout);
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PRINT_STATS_LE32("fina_timeout", cck->fina_timeout);
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PRINT_STATS_LE32("unresponded_rts", cck->unresponded_rts);
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PRINT_STATS_LE32("rxe_frame_lmt_overrun",
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cck->rxe_frame_limit_overrun);
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PRINT_STATS_LE32("sent_ack_cnt", cck->sent_ack_cnt);
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PRINT_STATS_LE32("sent_cts_cnt", cck->sent_cts_cnt);
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PRINT_STATS_LE32("sent_ba_rsp_cnt", cck->sent_ba_rsp_cnt);
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PRINT_STATS_LE32("dsp_self_kill", cck->dsp_self_kill);
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PRINT_STATS_LE32("mh_format_err", cck->mh_format_err);
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PRINT_STATS_LE32("re_acq_main_rssi_sum", cck->re_acq_main_rssi_sum);
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PRINT_STATS_LE32("reserved", cck->reserved);
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pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
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"Statistics_Rx - GENERAL");
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PRINT_STATS_LE32("bogus_cts", general->bogus_cts);
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PRINT_STATS_LE32("bogus_ack", general->bogus_ack);
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PRINT_STATS_LE32("non_bssid_frames", general->non_bssid_frames);
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PRINT_STATS_LE32("filtered_frames", general->filtered_frames);
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PRINT_STATS_LE32("non_channel_beacons", general->non_channel_beacons);
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PRINT_STATS_LE32("channel_beacons", general->channel_beacons);
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PRINT_STATS_LE32("num_missed_bcon", general->num_missed_bcon);
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PRINT_STATS_LE32("adc_rx_saturation_time",
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general->adc_rx_saturation_time);
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PRINT_STATS_LE32("ina_detection_search_time",
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general->ina_detection_search_time);
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PRINT_STATS_LE32("beacon_silence_rssi_a",
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general->beacon_silence_rssi_a);
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PRINT_STATS_LE32("beacon_silence_rssi_b",
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general->beacon_silence_rssi_b);
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PRINT_STATS_LE32("beacon_silence_rssi_c",
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general->beacon_silence_rssi_c);
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PRINT_STATS_LE32("interference_data_flag",
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general->interference_data_flag);
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PRINT_STATS_LE32("channel_load", general->channel_load);
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PRINT_STATS_LE32("dsp_false_alarms", general->dsp_false_alarms);
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PRINT_STATS_LE32("beacon_rssi_a", general->beacon_rssi_a);
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PRINT_STATS_LE32("beacon_rssi_b", general->beacon_rssi_b);
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PRINT_STATS_LE32("beacon_rssi_c", general->beacon_rssi_c);
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PRINT_STATS_LE32("beacon_energy_a", general->beacon_energy_a);
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PRINT_STATS_LE32("beacon_energy_b", general->beacon_energy_b);
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PRINT_STATS_LE32("beacon_energy_c", general->beacon_energy_c);
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PRINT_STATS_LE32("num_bt_kills", general->num_bt_kills);
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PRINT_STATS_LE32("directed_data_mpdu", general->directed_data_mpdu);
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pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
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"Statistics_Rx - HT");
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PRINT_STATS_LE32("plcp_err", ht->plcp_err);
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PRINT_STATS_LE32("overrun_err", ht->overrun_err);
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PRINT_STATS_LE32("early_overrun_err", ht->early_overrun_err);
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PRINT_STATS_LE32("crc32_good", ht->crc32_good);
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PRINT_STATS_LE32("crc32_err", ht->crc32_err);
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PRINT_STATS_LE32("mh_format_err", ht->mh_format_err);
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PRINT_STATS_LE32("agg_crc32_good", ht->agg_crc32_good);
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PRINT_STATS_LE32("agg_mpdu_cnt", ht->agg_mpdu_cnt);
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PRINT_STATS_LE32("agg_cnt", ht->agg_cnt);
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PRINT_STATS_LE32("unsupport_mcs", ht->unsupport_mcs);
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mutex_unlock(&mvm->mutex);
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ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
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kfree(buf);
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return ret;
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}
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#undef PRINT_STAT_LE32
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static ssize_t iwl_dbgfs_fw_restart_write(struct file *file,
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const char __user *user_buf,
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size_t count, loff_t *ppos)
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@ -924,6 +1060,7 @@ MVM_DEBUGFS_READ_FILE_OPS(stations);
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MVM_DEBUGFS_READ_FILE_OPS(bt_notif);
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MVM_DEBUGFS_WRITE_FILE_OPS(power_down_allow);
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MVM_DEBUGFS_WRITE_FILE_OPS(power_down_d3_allow);
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MVM_DEBUGFS_READ_FILE_OPS(fw_rx_stats);
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MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart);
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#ifdef CONFIG_PM_SLEEP
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MVM_DEBUGFS_READ_WRITE_FILE_OPS(d3_sram);
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@ -947,6 +1084,7 @@ int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir)
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MVM_DEBUGFS_ADD_FILE(bt_notif, dbgfs_dir, S_IRUSR);
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MVM_DEBUGFS_ADD_FILE(power_down_allow, mvm->debugfs_dir, S_IWUSR);
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MVM_DEBUGFS_ADD_FILE(power_down_d3_allow, mvm->debugfs_dir, S_IWUSR);
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MVM_DEBUGFS_ADD_FILE(fw_rx_stats, mvm->debugfs_dir, S_IRUSR);
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MVM_DEBUGFS_ADD_FILE(fw_restart, mvm->debugfs_dir, S_IWUSR);
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#ifdef CONFIG_PM_SLEEP
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MVM_DEBUGFS_ADD_FILE(d3_sram, mvm->debugfs_dir, S_IRUSR | S_IWUSR);
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@ -421,6 +421,8 @@ struct iwl_mvm {
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struct iwl_notif_wait_data notif_wait;
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struct mvm_statistics_rx rx_stats;
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unsigned long transport_queue_stop;
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u8 queue_to_mac80211[IWL_MAX_HW_QUEUES];
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atomic_t queue_stop_count[IWL_MAX_HW_QUEUES];
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@ -440,6 +440,8 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
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else
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mvm->pm_ops = &pm_legacy_ops;
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memset(&mvm->rx_stats, 0, sizeof(struct mvm_statistics_rx));
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return op_mode;
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out_unregister:
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@ -378,6 +378,18 @@ int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
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return 0;
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}
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static void iwl_mvm_update_rx_statistics(struct iwl_mvm *mvm,
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struct iwl_notif_statistics *stats)
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{
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/*
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* NOTE FW aggregates the statistics - BUT the statistics are cleared
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* when the driver issues REPLY_STATISTICS_CMD 0x9c with CLEAR_STATS
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* bit set.
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*/
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lockdep_assert_held(&mvm->mutex);
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memcpy(&mvm->rx_stats, &stats->rx, sizeof(struct mvm_statistics_rx));
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}
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/*
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* iwl_mvm_rx_statistics - STATISTICS_NOTIFICATION handler
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*
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@ -396,6 +408,7 @@ int iwl_mvm_rx_statistics(struct iwl_mvm *mvm,
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mvm->temperature = le32_to_cpu(common->temperature);
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iwl_mvm_tt_handler(mvm);
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}
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iwl_mvm_update_rx_statistics(mvm, stats);
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return 0;
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}
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