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path: root/drivers/net/wireless/ath/ath10k/debug.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath10k/debug.c')
-rw-r--r--drivers/net/wireless/ath/ath10k/debug.c73
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, &ampdu);
+
+ 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);