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Release 4.11 drivers/net/wireless/ath/ath10k/debugfs_sta.c

/*
 * Copyright (c) 2014 Qualcomm Atheros, Inc.
 *
 * 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 "debug.h"


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(); }

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Mohammed Shafi Shajakhan90100.00%2100.00%
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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(); }

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Mohammed Shafi Shajakhan90100.00%2100.00%
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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); }

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Mohammed Shafi Shajakhan36100.00%1100.00%
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void ath10k_sta_statistics(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta, struct station_info *sinfo) { struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; struct ath10k *ar = arsta->arvif->ar; if (!ath10k_peer_stats_enabled(ar)) return; sinfo->rx_duration = arsta->rx_duration; sinfo->filled |= 1ULL << NL80211_STA_INFO_RX_DURATION; if (!arsta->txrate.legacy && !arsta->txrate.nss) return; if (arsta->txrate.legacy) { sinfo->txrate.legacy = arsta->txrate.legacy; } else { sinfo->txrate.mcs = arsta->txrate.mcs; sinfo->txrate.nss = arsta->txrate.nss; sinfo->txrate.bw = arsta->txrate.bw; } sinfo->txrate.flags = arsta->txrate.flags; sinfo->filled |= 1ULL << NL80211_STA_INFO_TX_BITRATE; }

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Anilkumar Kolli9856.65%150.00%
Mohammed Shafi Shajakhan7543.35%150.00%
Total173100.00%2100.00%


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); }

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Rajkumar Manoharan126100.00%1100.00%
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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; }

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Rajkumar Manoharan181100.00%1100.00%
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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]; simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count); /* make sure that buf is null terminated */ buf[sizeof(buf) - 1] = '\0'; 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; }

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Rajkumar Manoharan241100.00%1100.00%
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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]; simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count); /* make sure that buf is null terminated */ buf[sizeof(buf) - 1] = '\0'; 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; }

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Rajkumar Manoharan241100.00%1100.00%
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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]; simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count); /* make sure that buf is null terminated */ buf[sizeof(buf) - 1] = '\0'; 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; }

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Rajkumar Manoharan250100.00%1100.00%
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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); }

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Maharaja Kennadyrajan114100.00%1100.00%
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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; }

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Maharaja Kennadyrajan170100.00%1100.00%
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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, };
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", S_IRUGO | S_IWUSR, dir, sta, &fops_aggr_mode); debugfs_create_file("addba", S_IWUSR, dir, sta, &fops_addba); debugfs_create_file("addba_resp", S_IWUSR, dir, sta, &fops_addba_resp); debugfs_create_file("delba", S_IWUSR, dir, sta, &fops_delba); debugfs_create_file("peer_debug_trigger", 0600, dir, sta, &fops_peer_debug_trigger); }

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Rajkumar Manoharan8385.57%480.00%
Maharaja Kennadyrajan1414.43%120.00%
Total97100.00%5100.00%


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Rajkumar Manoharan124963.43%444.44%
Maharaja Kennadyrajan33116.81%111.11%
Mohammed Shafi Shajakhan29114.78%333.33%
Anilkumar Kolli984.98%111.11%
Total1969100.00%9100.00%
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