diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath10k/debug.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/debug.c | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c index 554cd7856cb6..bac832ce1873 100644 --- a/drivers/net/wireless/ath/ath10k/debug.c +++ b/drivers/net/wireless/ath/ath10k/debug.c @@ -1480,6 +1480,19 @@ void ath10k_debug_tpc_stats_process(struct ath10k *ar, spin_unlock_bh(&ar->data_lock); } +void +ath10k_debug_tpc_stats_final_process(struct ath10k *ar, + struct ath10k_tpc_stats_final *tpc_stats) +{ + spin_lock_bh(&ar->data_lock); + + kfree(ar->debug.tpc_stats_final); + ar->debug.tpc_stats_final = tpc_stats; + complete(&ar->debug.tpc_complete); + + spin_unlock_bh(&ar->data_lock); +} + static void ath10k_tpc_stats_print(struct ath10k_tpc_stats *tpc_stats, unsigned int j, char *buf, size_t *len) { @@ -2143,6 +2156,137 @@ static const struct file_operations fops_fw_checksums = { .llseek = default_llseek, }; +static ssize_t ath10k_sta_tid_stats_mask_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ath10k *ar = file->private_data; + char buf[32]; + size_t len; + + len = scnprintf(buf, sizeof(buf), "0x%08x\n", ar->sta_tid_stats_mask); + return simple_read_from_buffer(user_buf, count, ppos, buf, len); +} + +static ssize_t ath10k_sta_tid_stats_mask_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ath10k *ar = file->private_data; + char buf[32]; + ssize_t len; + u32 mask; + + len = min(count, sizeof(buf) - 1); + if (copy_from_user(buf, user_buf, len)) + return -EFAULT; + + buf[len] = '\0'; + if (kstrtoint(buf, 0, &mask)) + return -EINVAL; + + ar->sta_tid_stats_mask = mask; + + return len; +} + +static const struct file_operations fops_sta_tid_stats_mask = { + .read = ath10k_sta_tid_stats_mask_read, + .write = ath10k_sta_tid_stats_mask_write, + .open = simple_open, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + +static int ath10k_debug_tpc_stats_final_request(struct ath10k *ar) +{ + int ret; + unsigned long time_left; + + lockdep_assert_held(&ar->conf_mutex); + + reinit_completion(&ar->debug.tpc_complete); + + ret = ath10k_wmi_pdev_get_tpc_table_cmdid(ar, WMI_TPC_CONFIG_PARAM); + if (ret) { + ath10k_warn(ar, "failed to request tpc table cmdid: %d\n", ret); + return ret; + } + + time_left = wait_for_completion_timeout(&ar->debug.tpc_complete, + 1 * HZ); + if (time_left == 0) + return -ETIMEDOUT; + + return 0; +} + +static int ath10k_tpc_stats_final_open(struct inode *inode, struct file *file) +{ + struct ath10k *ar = inode->i_private; + void *buf; + int ret; + + mutex_lock(&ar->conf_mutex); + + if (ar->state != ATH10K_STATE_ON) { + ret = -ENETDOWN; + goto err_unlock; + } + + buf = vmalloc(ATH10K_TPC_CONFIG_BUF_SIZE); + if (!buf) { + ret = -ENOMEM; + goto err_unlock; + } + + ret = ath10k_debug_tpc_stats_final_request(ar); + if (ret) { + ath10k_warn(ar, "failed to request tpc stats final: %d\n", + ret); + goto err_free; + } + + ath10k_tpc_stats_fill(ar, ar->debug.tpc_stats, buf); + file->private_data = buf; + + mutex_unlock(&ar->conf_mutex); + return 0; + +err_free: + vfree(buf); + +err_unlock: + mutex_unlock(&ar->conf_mutex); + return ret; +} + +static int ath10k_tpc_stats_final_release(struct inode *inode, + struct file *file) +{ + vfree(file->private_data); + + return 0; +} + +static ssize_t ath10k_tpc_stats_final_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + const char *buf = file->private_data; + unsigned int len = strlen(buf); + + return simple_read_from_buffer(user_buf, count, ppos, buf, len); +} + +static const struct file_operations fops_tpc_stats_final = { + .open = ath10k_tpc_stats_final_open, + .release = ath10k_tpc_stats_final_release, + .read = ath10k_tpc_stats_final_read, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + int ath10k_debug_create(struct ath10k *ar) { ar->debug.cal_data = vzalloc(ATH10K_DEBUG_CAL_DATA_LEN); @@ -2258,6 +2402,16 @@ int ath10k_debug_register(struct ath10k *ar) debugfs_create_file("fw_checksums", 0400, ar->debug.debugfs_phy, ar, &fops_fw_checksums); + if (IS_ENABLED(CONFIG_MAC80211_DEBUGFS)) + debugfs_create_file("sta_tid_stats_mask", 0600, + ar->debug.debugfs_phy, + ar, &fops_sta_tid_stats_mask); + + if (test_bit(WMI_SERVICE_TPC_STATS_FINAL, ar->wmi.svc_map)) + debugfs_create_file("tpc_stats_final", 0400, + ar->debug.debugfs_phy, ar, + &fops_tpc_stats_final); + return 0; } |