diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath12k/debugfs.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath12k/debugfs.c | 234 |
1 files changed, 124 insertions, 110 deletions
diff --git a/drivers/net/wireless/ath/ath12k/debugfs.c b/drivers/net/wireless/ath/ath12k/debugfs.c index 57002215ddf1..bab7be9c5a38 100644 --- a/drivers/net/wireless/ath/ath12k/debugfs.c +++ b/drivers/net/wireless/ath/ath12k/debugfs.c @@ -88,8 +88,8 @@ static int ath12k_get_tpc_ctl_mode_idx(struct wmi_tpc_stats_arg *tpc_stats, u32 chan_freq = le32_to_cpu(tpc_stats->tpc_config.chan_freq); u8 band; - band = ((chan_freq > ATH12K_MIN_6G_FREQ) ? NL80211_BAND_6GHZ : - ((chan_freq > ATH12K_MIN_5G_FREQ) ? NL80211_BAND_5GHZ : + band = ((chan_freq > ATH12K_MIN_6GHZ_FREQ) ? NL80211_BAND_6GHZ : + ((chan_freq > ATH12K_MIN_5GHZ_FREQ) ? NL80211_BAND_5GHZ : NL80211_BAND_2GHZ)); if (band == NL80211_BAND_5GHZ || band == NL80211_BAND_6GHZ) { @@ -833,6 +833,124 @@ static const struct file_operations fops_extd_rx_stats = { .open = simple_open, }; +static int ath12k_open_link_stats(struct inode *inode, struct file *file) +{ + struct ath12k_vif *ahvif = inode->i_private; + size_t len = 0, buf_len = (PAGE_SIZE * 2); + struct ath12k_link_stats linkstat; + struct ath12k_link_vif *arvif; + unsigned long links_map; + struct wiphy *wiphy; + int link_id, i; + char *buf; + + if (!ahvif) + return -EINVAL; + + buf = kzalloc(buf_len, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + wiphy = ahvif->ah->hw->wiphy; + wiphy_lock(wiphy); + + links_map = ahvif->links_map; + for_each_set_bit(link_id, &links_map, + IEEE80211_MLD_MAX_NUM_LINKS) { + arvif = rcu_dereference_protected(ahvif->link[link_id], + lockdep_is_held(&wiphy->mtx)); + + spin_lock_bh(&arvif->link_stats_lock); + linkstat = arvif->link_stats; + spin_unlock_bh(&arvif->link_stats_lock); + + len += scnprintf(buf + len, buf_len - len, + "link[%d] Tx Unicast Frames Enqueued = %d\n", + link_id, linkstat.tx_enqueued); + len += scnprintf(buf + len, buf_len - len, + "link[%d] Tx Broadcast Frames Enqueued = %d\n", + link_id, linkstat.tx_bcast_mcast); + len += scnprintf(buf + len, buf_len - len, + "link[%d] Tx Frames Completed = %d\n", + link_id, linkstat.tx_completed); + len += scnprintf(buf + len, buf_len - len, + "link[%d] Tx Frames Dropped = %d\n", + link_id, linkstat.tx_dropped); + + len += scnprintf(buf + len, buf_len - len, + "link[%d] Tx Frame descriptor Encap Type = ", + link_id); + + len += scnprintf(buf + len, buf_len - len, + " raw:%d", + linkstat.tx_encap_type[0]); + + len += scnprintf(buf + len, buf_len - len, + " native_wifi:%d", + linkstat.tx_encap_type[1]); + + len += scnprintf(buf + len, buf_len - len, + " ethernet:%d", + linkstat.tx_encap_type[2]); + + len += scnprintf(buf + len, buf_len - len, + "\nlink[%d] Tx Frame descriptor Encrypt Type = ", + link_id); + + for (i = 0; i < HAL_ENCRYPT_TYPE_MAX; i++) { + len += scnprintf(buf + len, buf_len - len, + " %d:%d", i, + linkstat.tx_encrypt_type[i]); + } + len += scnprintf(buf + len, buf_len - len, + "\nlink[%d] Tx Frame descriptor Type = buffer:%d extension:%d\n", + link_id, linkstat.tx_desc_type[0], + linkstat.tx_desc_type[1]); + + len += scnprintf(buf + len, buf_len - len, + "------------------------------------------------------\n"); + } + + wiphy_unlock(wiphy); + + file->private_data = buf; + + return 0; +} + +static int ath12k_release_link_stats(struct inode *inode, struct file *file) +{ + kfree(file->private_data); + return 0; +} + +static ssize_t ath12k_read_link_stats(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + const char *buf = file->private_data; + size_t len = strlen(buf); + + return simple_read_from_buffer(user_buf, count, ppos, buf, len); +} + +static const struct file_operations ath12k_fops_link_stats = { + .open = ath12k_open_link_stats, + .release = ath12k_release_link_stats, + .read = ath12k_read_link_stats, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + +void ath12k_debugfs_op_vif_add(struct ieee80211_hw *hw, + struct ieee80211_vif *vif) +{ + struct ath12k_vif *ahvif = ath12k_vif_to_ahvif(vif); + + debugfs_create_file("link_stats", 0400, vif->debugfs_dir, ahvif, + &ath12k_fops_link_stats); +} + void ath12k_debugfs_soc_create(struct ath12k_base *ab) { bool dput_needed; @@ -870,102 +988,6 @@ void ath12k_debugfs_soc_destroy(struct ath12k_base *ab) */ } -static void ath12k_fw_stats_pdevs_free(struct list_head *head) -{ - struct ath12k_fw_stats_pdev *i, *tmp; - - list_for_each_entry_safe(i, tmp, head, list) { - list_del(&i->list); - kfree(i); - } -} - -static void ath12k_fw_stats_bcn_free(struct list_head *head) -{ - struct ath12k_fw_stats_bcn *i, *tmp; - - list_for_each_entry_safe(i, tmp, head, list) { - list_del(&i->list); - kfree(i); - } -} - -static void ath12k_fw_stats_vdevs_free(struct list_head *head) -{ - struct ath12k_fw_stats_vdev *i, *tmp; - - list_for_each_entry_safe(i, tmp, head, list) { - list_del(&i->list); - kfree(i); - } -} - -void ath12k_debugfs_fw_stats_reset(struct ath12k *ar) -{ - spin_lock_bh(&ar->data_lock); - ar->fw_stats.fw_stats_done = false; - ath12k_fw_stats_vdevs_free(&ar->fw_stats.vdevs); - ath12k_fw_stats_bcn_free(&ar->fw_stats.bcn); - ath12k_fw_stats_pdevs_free(&ar->fw_stats.pdevs); - spin_unlock_bh(&ar->data_lock); -} - -static int ath12k_debugfs_fw_stats_request(struct ath12k *ar, - struct ath12k_fw_stats_req_params *param) -{ - struct ath12k_base *ab = ar->ab; - unsigned long timeout, time_left; - int ret; - - lockdep_assert_wiphy(ath12k_ar_to_hw(ar)->wiphy); - - /* FW stats can get split when exceeding the stats data buffer limit. - * In that case, since there is no end marking for the back-to-back - * received 'update stats' event, we keep a 3 seconds timeout in case, - * fw_stats_done is not marked yet - */ - timeout = jiffies + msecs_to_jiffies(3 * 1000); - - ath12k_debugfs_fw_stats_reset(ar); - - reinit_completion(&ar->fw_stats_complete); - - ret = ath12k_wmi_send_stats_request_cmd(ar, param->stats_id, - param->vdev_id, param->pdev_id); - - if (ret) { - ath12k_warn(ab, "could not request fw stats (%d)\n", - ret); - return ret; - } - - time_left = wait_for_completion_timeout(&ar->fw_stats_complete, - 1 * HZ); - /* If the wait timed out, return -ETIMEDOUT */ - if (!time_left) - return -ETIMEDOUT; - - /* Firmware sends WMI_UPDATE_STATS_EVENTID back-to-back - * when stats data buffer limit is reached. fw_stats_complete - * is completed once host receives first event from firmware, but - * still end might not be marked in the TLV. - * Below loop is to confirm that firmware completed sending all the event - * and fw_stats_done is marked true when end is marked in the TLV - */ - for (;;) { - if (time_after(jiffies, timeout)) - break; - - spin_lock_bh(&ar->data_lock); - if (ar->fw_stats.fw_stats_done) { - spin_unlock_bh(&ar->data_lock); - break; - } - spin_unlock_bh(&ar->data_lock); - } - return 0; -} - void ath12k_debugfs_fw_stats_process(struct ath12k *ar, struct ath12k_fw_stats *stats) @@ -1022,10 +1044,6 @@ ath12k_debugfs_fw_stats_process(struct ath12k *ar, num_bcn = 0; } } - if (stats->stats_id == WMI_REQUEST_PDEV_STAT) { - list_splice_tail_init(&stats->pdevs, &ar->fw_stats.pdevs); - ar->fw_stats.fw_stats_done = true; - } } static int ath12k_open_vdev_stats(struct inode *inode, struct file *file) @@ -1052,7 +1070,7 @@ static int ath12k_open_vdev_stats(struct inode *inode, struct file *file) param.vdev_id = 0; param.stats_id = WMI_REQUEST_VDEV_STAT; - ret = ath12k_debugfs_fw_stats_request(ar, ¶m); + ret = ath12k_mac_get_fw_stats(ar, ¶m); if (ret) { ath12k_warn(ar->ab, "failed to request fw vdev stats: %d\n", ret); return ret; @@ -1117,7 +1135,7 @@ static int ath12k_open_bcn_stats(struct inode *inode, struct file *file) continue; param.vdev_id = arvif->vdev_id; - ret = ath12k_debugfs_fw_stats_request(ar, ¶m); + ret = ath12k_mac_get_fw_stats(ar, ¶m); if (ret) { ath12k_warn(ar->ab, "failed to request fw bcn stats: %d\n", ret); return ret; @@ -1184,7 +1202,7 @@ static int ath12k_open_pdev_stats(struct inode *inode, struct file *file) param.vdev_id = 0; param.stats_id = WMI_REQUEST_PDEV_STAT; - ret = ath12k_debugfs_fw_stats_request(ar, ¶m); + ret = ath12k_mac_get_fw_stats(ar, ¶m); if (ret) { ath12k_warn(ab, "failed to request fw pdev stats: %d\n", ret); return ret; @@ -1239,11 +1257,7 @@ void ath12k_debugfs_fw_stats_register(struct ath12k *ar) debugfs_create_file("pdev_stats", 0600, fwstats_dir, ar, &fops_pdev_stats); - INIT_LIST_HEAD(&ar->fw_stats.vdevs); - INIT_LIST_HEAD(&ar->fw_stats.bcn); - INIT_LIST_HEAD(&ar->fw_stats.pdevs); - - init_completion(&ar->fw_stats_complete); + ath12k_fw_stats_init(ar); } void ath12k_debugfs_register(struct ath12k *ar) |