diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath10k/debugfs_sta.c')
-rw-r--r-- | drivers/net/wireless/ath/ath10k/debugfs_sta.c | 777 |
1 files changed, 777 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath10k/debugfs_sta.c b/drivers/net/wireless/ath/ath10k/debugfs_sta.c new file mode 100644 index 000000000..87a336533 --- /dev/null +++ b/drivers/net/wireless/ath/ath10k/debugfs_sta.c @@ -0,0 +1,777 @@ +// SPDX-License-Identifier: ISC +/* + * Copyright (c) 2014-2017 Qualcomm Atheros, Inc. + * Copyright (c) 2018, The Linux Foundation. All rights reserved. + */ + +#include "core.h" +#include "wmi-ops.h" +#include "txrx.h" +#include "debug.h" + +static void ath10k_rx_stats_update_amsdu_subfrm(struct ath10k *ar, + struct ath10k_sta_tid_stats *stats, + u32 msdu_count) +{ + if (msdu_count == 1) + stats->rx_pkt_amsdu[ATH10K_AMSDU_SUBFRM_NUM_1]++; + else if (msdu_count == 2) + stats->rx_pkt_amsdu[ATH10K_AMSDU_SUBFRM_NUM_2]++; + else if (msdu_count == 3) + stats->rx_pkt_amsdu[ATH10K_AMSDU_SUBFRM_NUM_3]++; + else if (msdu_count == 4) + stats->rx_pkt_amsdu[ATH10K_AMSDU_SUBFRM_NUM_4]++; + else if (msdu_count > 4) + stats->rx_pkt_amsdu[ATH10K_AMSDU_SUBFRM_NUM_MORE]++; +} + +static void ath10k_rx_stats_update_ampdu_subfrm(struct ath10k *ar, + struct ath10k_sta_tid_stats *stats, + u32 mpdu_count) +{ + if (mpdu_count <= 10) + stats->rx_pkt_ampdu[ATH10K_AMPDU_SUBFRM_NUM_10]++; + else if (mpdu_count <= 20) + stats->rx_pkt_ampdu[ATH10K_AMPDU_SUBFRM_NUM_20]++; + else if (mpdu_count <= 30) + stats->rx_pkt_ampdu[ATH10K_AMPDU_SUBFRM_NUM_30]++; + else if (mpdu_count <= 40) + stats->rx_pkt_ampdu[ATH10K_AMPDU_SUBFRM_NUM_40]++; + else if (mpdu_count <= 50) + stats->rx_pkt_ampdu[ATH10K_AMPDU_SUBFRM_NUM_50]++; + else if (mpdu_count <= 60) + stats->rx_pkt_ampdu[ATH10K_AMPDU_SUBFRM_NUM_60]++; + else if (mpdu_count > 60) + stats->rx_pkt_ampdu[ATH10K_AMPDU_SUBFRM_NUM_MORE]++; +} + +void ath10k_sta_update_rx_tid_stats_ampdu(struct ath10k *ar, u16 peer_id, u8 tid, + struct htt_rx_indication_mpdu_range *ranges, + int num_ranges) +{ + struct ath10k_sta *arsta; + struct ath10k_peer *peer; + int i; + + if (tid > IEEE80211_NUM_TIDS || !(ar->sta_tid_stats_mask & BIT(tid))) + return; + + rcu_read_lock(); + spin_lock_bh(&ar->data_lock); + + peer = ath10k_peer_find_by_id(ar, peer_id); + if (!peer || !peer->sta) + goto out; + + arsta = (struct ath10k_sta *)peer->sta->drv_priv; + + for (i = 0; i < num_ranges; i++) + ath10k_rx_stats_update_ampdu_subfrm(ar, + &arsta->tid_stats[tid], + ranges[i].mpdu_count); + +out: + spin_unlock_bh(&ar->data_lock); + rcu_read_unlock(); +} + +void ath10k_sta_update_rx_tid_stats(struct ath10k *ar, u8 *first_hdr, + unsigned long num_msdus, + enum ath10k_pkt_rx_err err, + unsigned long unchain_cnt, + unsigned long drop_cnt, + unsigned long drop_cnt_filter, + unsigned long queued_msdus) +{ + struct ieee80211_sta *sta; + struct ath10k_sta *arsta; + struct ieee80211_hdr *hdr; + struct ath10k_sta_tid_stats *stats; + u8 tid = IEEE80211_NUM_TIDS; + bool non_data_frm = false; + + hdr = (struct ieee80211_hdr *)first_hdr; + if (!ieee80211_is_data(hdr->frame_control)) + non_data_frm = true; + + if (ieee80211_is_data_qos(hdr->frame_control)) + tid = *ieee80211_get_qos_ctl(hdr) & IEEE80211_QOS_CTL_TID_MASK; + + if (!(ar->sta_tid_stats_mask & BIT(tid)) || non_data_frm) + return; + + rcu_read_lock(); + + sta = ieee80211_find_sta_by_ifaddr(ar->hw, hdr->addr2, NULL); + if (!sta) + goto exit; + + arsta = (struct ath10k_sta *)sta->drv_priv; + + spin_lock_bh(&ar->data_lock); + stats = &arsta->tid_stats[tid]; + stats->rx_pkt_from_fw += num_msdus; + stats->rx_pkt_unchained += unchain_cnt; + stats->rx_pkt_drop_chained += drop_cnt; + stats->rx_pkt_drop_filter += drop_cnt_filter; + if (err != ATH10K_PKT_RX_ERR_MAX) + stats->rx_pkt_err[err] += queued_msdus; + stats->rx_pkt_queued_for_mac += queued_msdus; + ath10k_rx_stats_update_amsdu_subfrm(ar, &arsta->tid_stats[tid], + num_msdus); + spin_unlock_bh(&ar->data_lock); + +exit: + rcu_read_unlock(); +} + +static void ath10k_sta_update_extd_stats_rx_duration(struct ath10k *ar, + struct ath10k_fw_stats *stats) +{ + struct ath10k_fw_extd_stats_peer *peer; + struct ieee80211_sta *sta; + struct ath10k_sta *arsta; + + rcu_read_lock(); + list_for_each_entry(peer, &stats->peers_extd, list) { + sta = ieee80211_find_sta_by_ifaddr(ar->hw, peer->peer_macaddr, + NULL); + if (!sta) + continue; + arsta = (struct ath10k_sta *)sta->drv_priv; + arsta->rx_duration += (u64)peer->rx_duration; + } + rcu_read_unlock(); +} + +static void ath10k_sta_update_stats_rx_duration(struct ath10k *ar, + struct ath10k_fw_stats *stats) +{ + struct ath10k_fw_stats_peer *peer; + struct ieee80211_sta *sta; + struct ath10k_sta *arsta; + + rcu_read_lock(); + list_for_each_entry(peer, &stats->peers, list) { + sta = ieee80211_find_sta_by_ifaddr(ar->hw, peer->peer_macaddr, + NULL); + if (!sta) + continue; + arsta = (struct ath10k_sta *)sta->drv_priv; + arsta->rx_duration += (u64)peer->rx_duration; + } + rcu_read_unlock(); +} + +void ath10k_sta_update_rx_duration(struct ath10k *ar, + struct ath10k_fw_stats *stats) +{ + if (stats->extended) + ath10k_sta_update_extd_stats_rx_duration(ar, stats); + else + ath10k_sta_update_stats_rx_duration(ar, stats); +} + +static ssize_t ath10k_dbg_sta_read_aggr_mode(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_sta *sta = file->private_data; + struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; + struct ath10k *ar = arsta->arvif->ar; + char buf[32]; + int len = 0; + + mutex_lock(&ar->conf_mutex); + len = scnprintf(buf, sizeof(buf) - len, "aggregation mode: %s\n", + (arsta->aggr_mode == ATH10K_DBG_AGGR_MODE_AUTO) ? + "auto" : "manual"); + mutex_unlock(&ar->conf_mutex); + + return simple_read_from_buffer(user_buf, count, ppos, buf, len); +} + +static ssize_t ath10k_dbg_sta_write_aggr_mode(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_sta *sta = file->private_data; + struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; + struct ath10k *ar = arsta->arvif->ar; + u32 aggr_mode; + int ret; + + if (kstrtouint_from_user(user_buf, count, 0, &aggr_mode)) + return -EINVAL; + + if (aggr_mode >= ATH10K_DBG_AGGR_MODE_MAX) + return -EINVAL; + + mutex_lock(&ar->conf_mutex); + if ((ar->state != ATH10K_STATE_ON) || + (aggr_mode == arsta->aggr_mode)) { + ret = count; + goto out; + } + + ret = ath10k_wmi_addba_clear_resp(ar, arsta->arvif->vdev_id, sta->addr); + if (ret) { + ath10k_warn(ar, "failed to clear addba session ret: %d\n", ret); + goto out; + } + + arsta->aggr_mode = aggr_mode; +out: + mutex_unlock(&ar->conf_mutex); + return ret; +} + +static const struct file_operations fops_aggr_mode = { + .read = ath10k_dbg_sta_read_aggr_mode, + .write = ath10k_dbg_sta_write_aggr_mode, + .open = simple_open, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + +static ssize_t ath10k_dbg_sta_write_addba(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_sta *sta = file->private_data; + struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; + struct ath10k *ar = arsta->arvif->ar; + u32 tid, buf_size; + int ret; + char buf[64] = {0}; + + ret = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, + user_buf, count); + if (ret <= 0) + return ret; + + ret = sscanf(buf, "%u %u", &tid, &buf_size); + if (ret != 2) + return -EINVAL; + + /* Valid TID values are 0 through 15 */ + if (tid > HTT_DATA_TX_EXT_TID_MGMT - 2) + return -EINVAL; + + mutex_lock(&ar->conf_mutex); + if ((ar->state != ATH10K_STATE_ON) || + (arsta->aggr_mode != ATH10K_DBG_AGGR_MODE_MANUAL)) { + ret = count; + goto out; + } + + ret = ath10k_wmi_addba_send(ar, arsta->arvif->vdev_id, sta->addr, + tid, buf_size); + if (ret) { + ath10k_warn(ar, "failed to send addba request: vdev_id %u peer %pM tid %u buf_size %u\n", + arsta->arvif->vdev_id, sta->addr, tid, buf_size); + } + + ret = count; +out: + mutex_unlock(&ar->conf_mutex); + return ret; +} + +static const struct file_operations fops_addba = { + .write = ath10k_dbg_sta_write_addba, + .open = simple_open, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + +static ssize_t ath10k_dbg_sta_write_addba_resp(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_sta *sta = file->private_data; + struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; + struct ath10k *ar = arsta->arvif->ar; + u32 tid, status; + int ret; + char buf[64] = {0}; + + ret = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, + user_buf, count); + if (ret <= 0) + return ret; + + ret = sscanf(buf, "%u %u", &tid, &status); + if (ret != 2) + return -EINVAL; + + /* Valid TID values are 0 through 15 */ + if (tid > HTT_DATA_TX_EXT_TID_MGMT - 2) + return -EINVAL; + + mutex_lock(&ar->conf_mutex); + if ((ar->state != ATH10K_STATE_ON) || + (arsta->aggr_mode != ATH10K_DBG_AGGR_MODE_MANUAL)) { + ret = count; + goto out; + } + + ret = ath10k_wmi_addba_set_resp(ar, arsta->arvif->vdev_id, sta->addr, + tid, status); + if (ret) { + ath10k_warn(ar, "failed to send addba response: vdev_id %u peer %pM tid %u status%u\n", + arsta->arvif->vdev_id, sta->addr, tid, status); + } + ret = count; +out: + mutex_unlock(&ar->conf_mutex); + return ret; +} + +static const struct file_operations fops_addba_resp = { + .write = ath10k_dbg_sta_write_addba_resp, + .open = simple_open, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + +static ssize_t ath10k_dbg_sta_write_delba(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_sta *sta = file->private_data; + struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; + struct ath10k *ar = arsta->arvif->ar; + u32 tid, initiator, reason; + int ret; + char buf[64] = {0}; + + ret = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, + user_buf, count); + if (ret <= 0) + return ret; + + ret = sscanf(buf, "%u %u %u", &tid, &initiator, &reason); + if (ret != 3) + return -EINVAL; + + /* Valid TID values are 0 through 15 */ + if (tid > HTT_DATA_TX_EXT_TID_MGMT - 2) + return -EINVAL; + + mutex_lock(&ar->conf_mutex); + if ((ar->state != ATH10K_STATE_ON) || + (arsta->aggr_mode != ATH10K_DBG_AGGR_MODE_MANUAL)) { + ret = count; + goto out; + } + + ret = ath10k_wmi_delba_send(ar, arsta->arvif->vdev_id, sta->addr, + tid, initiator, reason); + if (ret) { + ath10k_warn(ar, "failed to send delba: vdev_id %u peer %pM tid %u initiator %u reason %u\n", + arsta->arvif->vdev_id, sta->addr, tid, initiator, + reason); + } + ret = count; +out: + mutex_unlock(&ar->conf_mutex); + return ret; +} + +static const struct file_operations fops_delba = { + .write = ath10k_dbg_sta_write_delba, + .open = simple_open, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + +static ssize_t ath10k_dbg_sta_read_peer_debug_trigger(struct file *file, + char __user *user_buf, + size_t count, + loff_t *ppos) +{ + struct ieee80211_sta *sta = file->private_data; + struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; + struct ath10k *ar = arsta->arvif->ar; + char buf[8]; + int len = 0; + + mutex_lock(&ar->conf_mutex); + len = scnprintf(buf, sizeof(buf) - len, + "Write 1 to once trigger the debug logs\n"); + mutex_unlock(&ar->conf_mutex); + + return simple_read_from_buffer(user_buf, count, ppos, buf, len); +} + +static ssize_t +ath10k_dbg_sta_write_peer_debug_trigger(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_sta *sta = file->private_data; + struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; + struct ath10k *ar = arsta->arvif->ar; + u8 peer_debug_trigger; + int ret; + + if (kstrtou8_from_user(user_buf, count, 0, &peer_debug_trigger)) + return -EINVAL; + + if (peer_debug_trigger != 1) + return -EINVAL; + + mutex_lock(&ar->conf_mutex); + + if (ar->state != ATH10K_STATE_ON) { + ret = -ENETDOWN; + goto out; + } + + ret = ath10k_wmi_peer_set_param(ar, arsta->arvif->vdev_id, sta->addr, + ar->wmi.peer_param->debug, peer_debug_trigger); + if (ret) { + ath10k_warn(ar, "failed to set param to trigger peer tid logs for station ret: %d\n", + ret); + goto out; + } +out: + mutex_unlock(&ar->conf_mutex); + return count; +} + +static const struct file_operations fops_peer_debug_trigger = { + .open = simple_open, + .read = ath10k_dbg_sta_read_peer_debug_trigger, + .write = ath10k_dbg_sta_write_peer_debug_trigger, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + +static ssize_t ath10k_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 ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; + struct ath10k *ar = arsta->arvif->ar; + char buf[20]; + int len = 0; + + spin_lock_bh(&ar->data_lock); + + len = scnprintf(buf, sizeof(buf) - len, "%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 = ath10k_dbg_sta_read_peer_ps_state, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + +static char *get_err_str(enum ath10k_pkt_rx_err i) +{ + switch (i) { + case ATH10K_PKT_RX_ERR_FCS: + return "fcs_err"; + case ATH10K_PKT_RX_ERR_TKIP: + return "tkip_err"; + case ATH10K_PKT_RX_ERR_CRYPT: + return "crypt_err"; + case ATH10K_PKT_RX_ERR_PEER_IDX_INVAL: + return "peer_idx_inval"; + case ATH10K_PKT_RX_ERR_MAX: + return "unknown"; + } + + return "unknown"; +} + +static char *get_num_ampdu_subfrm_str(enum ath10k_ampdu_subfrm_num i) +{ + switch (i) { + case ATH10K_AMPDU_SUBFRM_NUM_10: + return "up to 10"; + case ATH10K_AMPDU_SUBFRM_NUM_20: + return "11-20"; + case ATH10K_AMPDU_SUBFRM_NUM_30: + return "21-30"; + case ATH10K_AMPDU_SUBFRM_NUM_40: + return "31-40"; + case ATH10K_AMPDU_SUBFRM_NUM_50: + return "41-50"; + case ATH10K_AMPDU_SUBFRM_NUM_60: + return "51-60"; + case ATH10K_AMPDU_SUBFRM_NUM_MORE: + return ">60"; + case ATH10K_AMPDU_SUBFRM_NUM_MAX: + return "0"; + } + + return "0"; +} + +static char *get_num_amsdu_subfrm_str(enum ath10k_amsdu_subfrm_num i) +{ + switch (i) { + case ATH10K_AMSDU_SUBFRM_NUM_1: + return "1"; + case ATH10K_AMSDU_SUBFRM_NUM_2: + return "2"; + case ATH10K_AMSDU_SUBFRM_NUM_3: + return "3"; + case ATH10K_AMSDU_SUBFRM_NUM_4: + return "4"; + case ATH10K_AMSDU_SUBFRM_NUM_MORE: + return ">4"; + case ATH10K_AMSDU_SUBFRM_NUM_MAX: + return "0"; + } + + return "0"; +} + +#define PRINT_TID_STATS(_field, _tabs) \ + do { \ + int k = 0; \ + for (j = 0; j <= IEEE80211_NUM_TIDS; j++) { \ + if (ar->sta_tid_stats_mask & BIT(j)) { \ + len += scnprintf(buf + len, buf_len - len, \ + "[%02d] %-10lu ", \ + j, stats[j]._field); \ + k++; \ + if (k % 8 == 0) { \ + len += scnprintf(buf + len, \ + buf_len - len, "\n"); \ + len += scnprintf(buf + len, \ + buf_len - len, \ + _tabs); \ + } \ + } \ + } \ + len += scnprintf(buf + len, buf_len - len, "\n"); \ + } while (0) + +static ssize_t ath10k_dbg_sta_read_tid_stats(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_sta *sta = file->private_data; + struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; + struct ath10k *ar = arsta->arvif->ar; + struct ath10k_sta_tid_stats *stats = arsta->tid_stats; + size_t len = 0, buf_len = 1048 * IEEE80211_NUM_TIDS; + char *buf; + int i, j; + ssize_t ret; + + buf = kzalloc(buf_len, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + mutex_lock(&ar->conf_mutex); + + spin_lock_bh(&ar->data_lock); + + len += scnprintf(buf + len, buf_len - len, + "\n\t\tDriver Rx pkt stats per tid, ([tid] count)\n"); + len += scnprintf(buf + len, buf_len - len, + "\t\t------------------------------------------\n"); + len += scnprintf(buf + len, buf_len - len, "MSDUs from FW\t\t\t"); + PRINT_TID_STATS(rx_pkt_from_fw, "\t\t\t\t"); + + len += scnprintf(buf + len, buf_len - len, "MSDUs unchained\t\t\t"); + PRINT_TID_STATS(rx_pkt_unchained, "\t\t\t\t"); + + len += scnprintf(buf + len, buf_len - len, + "MSDUs locally dropped:chained\t"); + PRINT_TID_STATS(rx_pkt_drop_chained, "\t\t\t\t"); + + len += scnprintf(buf + len, buf_len - len, + "MSDUs locally dropped:filtered\t"); + PRINT_TID_STATS(rx_pkt_drop_filter, "\t\t\t\t"); + + len += scnprintf(buf + len, buf_len - len, + "MSDUs queued for mac80211\t"); + PRINT_TID_STATS(rx_pkt_queued_for_mac, "\t\t\t\t"); + + for (i = 0; i < ATH10K_PKT_RX_ERR_MAX; i++) { + len += scnprintf(buf + len, buf_len - len, + "MSDUs with error:%s\t", get_err_str(i)); + PRINT_TID_STATS(rx_pkt_err[i], "\t\t\t\t"); + } + + len += scnprintf(buf + len, buf_len - len, "\n"); + for (i = 0; i < ATH10K_AMPDU_SUBFRM_NUM_MAX; i++) { + len += scnprintf(buf + len, buf_len - len, + "A-MPDU num subframes %s\t", + get_num_ampdu_subfrm_str(i)); + PRINT_TID_STATS(rx_pkt_ampdu[i], "\t\t\t\t"); + } + + len += scnprintf(buf + len, buf_len - len, "\n"); + for (i = 0; i < ATH10K_AMSDU_SUBFRM_NUM_MAX; i++) { + len += scnprintf(buf + len, buf_len - len, + "A-MSDU num subframes %s\t\t", + get_num_amsdu_subfrm_str(i)); + PRINT_TID_STATS(rx_pkt_amsdu[i], "\t\t\t\t"); + } + + spin_unlock_bh(&ar->data_lock); + + ret = simple_read_from_buffer(user_buf, count, ppos, buf, len); + + kfree(buf); + + mutex_unlock(&ar->conf_mutex); + + return ret; +} + +static const struct file_operations fops_tid_stats_dump = { + .open = simple_open, + .read = ath10k_dbg_sta_read_tid_stats, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + +static ssize_t ath10k_dbg_sta_dump_tx_stats(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_sta *sta = file->private_data; + struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; + struct ath10k *ar = arsta->arvif->ar; + struct ath10k_htt_data_stats *stats; + const char *str_name[ATH10K_STATS_TYPE_MAX] = {"succ", "fail", + "retry", "ampdu"}; + const char *str[ATH10K_COUNTER_TYPE_MAX] = {"bytes", "packets"}; + int len = 0, i, j, k, retval = 0; + const int size = 16 * 4096; + char *buf; + + buf = kzalloc(size, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + mutex_lock(&ar->conf_mutex); + + if (!arsta->tx_stats) { + ath10k_warn(ar, "failed to get tx stats"); + mutex_unlock(&ar->conf_mutex); + kfree(buf); + return 0; + } + + spin_lock_bh(&ar->data_lock); + for (k = 0; k < ATH10K_STATS_TYPE_MAX; k++) { + for (j = 0; j < ATH10K_COUNTER_TYPE_MAX; j++) { + stats = &arsta->tx_stats->stats[k]; + len += scnprintf(buf + len, size - len, "%s_%s\n", + str_name[k], + str[j]); + len += scnprintf(buf + len, size - len, + " VHT MCS %s\n", + str[j]); + for (i = 0; i < ATH10K_VHT_MCS_NUM; i++) + len += scnprintf(buf + len, size - len, + " %llu ", + stats->vht[j][i]); + len += scnprintf(buf + len, size - len, "\n"); + len += scnprintf(buf + len, size - len, " HT MCS %s\n", + str[j]); + for (i = 0; i < ATH10K_HT_MCS_NUM; i++) + len += scnprintf(buf + len, size - len, + " %llu ", stats->ht[j][i]); + len += scnprintf(buf + len, size - len, "\n"); + len += scnprintf(buf + len, size - len, + " BW %s (20,5,10,40,80,160 MHz)\n", str[j]); + len += scnprintf(buf + len, size - len, + " %llu %llu %llu %llu %llu %llu\n", + stats->bw[j][0], stats->bw[j][1], + stats->bw[j][2], stats->bw[j][3], + stats->bw[j][4], stats->bw[j][5]); + len += scnprintf(buf + len, size - len, + " NSS %s (1x1,2x2,3x3,4x4)\n", str[j]); + len += scnprintf(buf + len, size - len, + " %llu %llu %llu %llu\n", + stats->nss[j][0], stats->nss[j][1], + stats->nss[j][2], stats->nss[j][3]); + len += scnprintf(buf + len, size - len, + " GI %s (LGI,SGI)\n", + str[j]); + len += scnprintf(buf + len, size - len, " %llu %llu\n", + stats->gi[j][0], stats->gi[j][1]); + len += scnprintf(buf + len, size - len, + " legacy rate %s (1,2 ... Mbps)\n ", + str[j]); + for (i = 0; i < ATH10K_LEGACY_NUM; i++) + len += scnprintf(buf + len, size - len, "%llu ", + stats->legacy[j][i]); + len += scnprintf(buf + len, size - len, "\n"); + len += scnprintf(buf + len, size - len, + " Rate table %s (1,2 ... Mbps)\n ", + str[j]); + for (i = 0; i < ATH10K_RATE_TABLE_NUM; i++) { + len += scnprintf(buf + len, size - len, "%llu ", + stats->rate_table[j][i]); + if (!((i + 1) % 8)) + len += + scnprintf(buf + len, size - len, "\n "); + } + } + } + + len += scnprintf(buf + len, size - len, + "\nTX duration\n %llu usecs\n", + arsta->tx_stats->tx_duration); + len += scnprintf(buf + len, size - len, + "BA fails\n %llu\n", arsta->tx_stats->ba_fails); + len += scnprintf(buf + len, size - len, + "ack fails\n %llu\n", arsta->tx_stats->ack_fails); + spin_unlock_bh(&ar->data_lock); + + if (len > size) + len = size; + retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); + kfree(buf); + + mutex_unlock(&ar->conf_mutex); + return retval; +} + +static const struct file_operations fops_tx_stats = { + .read = ath10k_dbg_sta_dump_tx_stats, + .open = simple_open, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + +void ath10k_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + struct ieee80211_sta *sta, struct dentry *dir) +{ + struct ath10k *ar = hw->priv; + + debugfs_create_file("aggr_mode", 0644, dir, sta, &fops_aggr_mode); + debugfs_create_file("addba", 0200, dir, sta, &fops_addba); + debugfs_create_file("addba_resp", 0200, dir, sta, &fops_addba_resp); + debugfs_create_file("delba", 0200, dir, sta, &fops_delba); + debugfs_create_file("peer_debug_trigger", 0600, dir, sta, + &fops_peer_debug_trigger); + debugfs_create_file("dump_tid_stats", 0400, dir, sta, + &fops_tid_stats_dump); + + if (ath10k_peer_stats_enabled(ar) && + ath10k_debug_is_extd_tx_stats_enabled(ar)) + debugfs_create_file("tx_stats", 0400, dir, sta, + &fops_tx_stats); + debugfs_create_file("peer_ps_state", 0400, dir, sta, + &fops_peer_ps_state); +} |