diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath10k/debugfs_sta.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/debugfs_sta.c | 286 |
1 files changed, 286 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath10k/debugfs_sta.c b/drivers/net/wireless/ath/ath10k/debugfs_sta.c index b260b09dd4d3..8f688f136c22 100644 --- a/drivers/net/wireless/ath/ath10k/debugfs_sta.c +++ b/drivers/net/wireless/ath/ath10k/debugfs_sta.c @@ -1,5 +1,6 @@ /* * 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 @@ -16,8 +17,125 @@ #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) + 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) { @@ -342,6 +460,172 @@ static const struct file_operations fops_peer_debug_trigger = { .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) { @@ -351,4 +635,6 @@ void ath10k_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 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); } |