This per-station debugfs entry helps to send addba request in manual
mode. Need to pass two configuration parameters (tid, buffer size)
as input.
To send addba,
echo 1 32 >/sys/kernel/debug/ieee80211/phyX/netdev:wlanX/
stations/XX:XX:XX:XX:XX:XX/addba
Signed-off-by: Rajkumar Manoharan <rmanohar@xxxxxxxxxxxxxxxx>
---
drivers/net/wireless/ath/ath10k/debugfs_sta.c | 56 +++++++++++++++++++++++++++
1 file changed, 56 insertions(+)
diff --git a/drivers/net/wireless/ath/ath10k/debugfs_sta.c b/drivers/net/wireless/ath/ath10k/debugfs_sta.c
index d5fca70..89e5e5a 100644
--- a/drivers/net/wireless/ath/ath10k/debugfs_sta.c
+++ b/drivers/net/wireless/ath/ath10k/debugfs_sta.c
@@ -81,9 +81,65 @@ static const struct file_operations fops_aggr_mode = {
.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) {
+ ath10k_warn(ar, "ex: echo <tid> <buffer size> >addba\n");
+ return -EINVAL;
+ }
+
+ /* Valid TID values are 0 through 15 */
+ if (tid > HTT_DATA_TX_EXT_TID_MGMT - 2) {
+ ath10k_warn(ar, "Invalid TID %u\n", tid);
+ 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;
+}
+
+static const struct file_operations fops_addba = {
+ .write = ath10k_dbg_sta_write_addba,
+ .open = simple_open,
+ .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);
}
--
2.2.1
--
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