| /* |
| * Copyright (c) 2014-2017 Qualcomm Atheros, Inc. |
| * Copyright (c) 2018, The Linux Foundation. All rights reserved. |
| * |
| * Permission to use, copy, modify, and/or distribute this software for any |
| * purpose with or without fee is hereby granted, provided that the above |
| * copyright notice and this permission notice appear in all copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| */ |
| |
| #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 int num_msdus, |
| enum ath10k_pkt_rx_err err, |
| unsigned long int unchain_cnt, |
| unsigned long int drop_cnt, |
| unsigned long int drop_cnt_filter, |
| unsigned long int 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, |
| WMI_PEER_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 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 "upto 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, |
| }; |
| |
| void ath10k_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
| struct ieee80211_sta *sta, struct dentry *dir) |
| { |
| 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); |
| } |