diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath10k/debug.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/debug.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c index 1b7ff4ba122c..3030158c478e 100644 --- a/drivers/net/wireless/ath/ath10k/debug.c +++ b/drivers/net/wireless/ath/ath10k/debug.c @@ -671,6 +671,72 @@ static const struct file_operations fops_htt_stats_mask = { .llseek = default_llseek, }; +static ssize_t ath10k_read_htt_max_amsdu_ampdu(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ath10k *ar = file->private_data; + char buf[64]; + u8 amsdu = 3, ampdu = 64; + unsigned int len; + + mutex_lock(&ar->conf_mutex); + + if (ar->debug.htt_max_amsdu) + amsdu = ar->debug.htt_max_amsdu; + + if (ar->debug.htt_max_ampdu) + ampdu = ar->debug.htt_max_ampdu; + + mutex_unlock(&ar->conf_mutex); + + len = scnprintf(buf, sizeof(buf), "%u %u\n", amsdu, ampdu); + + return simple_read_from_buffer(user_buf, count, ppos, buf, len); +} + +static ssize_t ath10k_write_htt_max_amsdu_ampdu(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ath10k *ar = file->private_data; + int res; + char buf[64]; + unsigned int amsdu, ampdu; + + simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count); + + /* make sure that buf is null terminated */ + buf[sizeof(buf) - 1] = 0; + + res = sscanf(buf, "%u %u", &amsdu, &du); + + if (res != 2) + return -EINVAL; + + mutex_lock(&ar->conf_mutex); + + res = ath10k_htt_h2t_aggr_cfg_msg(&ar->htt, ampdu, amsdu); + if (res) + goto out; + + res = count; + ar->debug.htt_max_amsdu = amsdu; + ar->debug.htt_max_ampdu = ampdu; + +out: + mutex_unlock(&ar->conf_mutex); + return res; +} + +static const struct file_operations fops_htt_max_amsdu_ampdu = { + .read = ath10k_read_htt_max_amsdu_ampdu, + .write = ath10k_write_htt_max_amsdu_ampdu, + .open = simple_open, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + static ssize_t ath10k_read_fw_dbglog(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) @@ -757,6 +823,9 @@ void ath10k_debug_stop(struct ath10k *ar) * warning from del_timer(). */ if (ar->debug.htt_stats_mask != 0) cancel_delayed_work(&ar->debug.htt_stats_dwork); + + ar->debug.htt_max_amsdu = 0; + ar->debug.htt_max_ampdu = 0; } static ssize_t ath10k_write_simulate_radar(struct file *file, @@ -867,6 +936,10 @@ int ath10k_debug_create(struct ath10k *ar) debugfs_create_file("htt_stats_mask", S_IRUSR, ar->debug.debugfs_phy, ar, &fops_htt_stats_mask); + debugfs_create_file("htt_max_amsdu_ampdu", S_IRUSR | S_IWUSR, + ar->debug.debugfs_phy, ar, + &fops_htt_max_amsdu_ampdu); + debugfs_create_file("fw_dbglog", S_IRUSR, ar->debug.debugfs_phy, ar, &fops_fw_dbglog); |