@@ -190,6 +190,61 @@ static const struct file_operations fops_addba_resp = {
.llseek = default_llseek,
};
+static ssize_t ath10k_dbg_sta_write_delba(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, initiator, reason;
+ 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 %u", &tid, &initiator, &reason);
+ if (ret != 3) {
+ ath10k_warn(ar, "ex: echo <tid> <initiator> <reason code> >delba\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_delba_send(ar, arsta->arvif->vdev_id, sta->addr,
+ tid, initiator, reason);
+ if (ret) {
+ ath10k_warn(ar, "failed to send delba: vdev_id %u peer %pM tid %u initiator %u reason %u\n",
+ arsta->arvif->vdev_id, sta->addr, tid, initiator,
+ reason);
+ }
+ ret = count;
+out:
+ mutex_unlock(&ar->conf_mutex);
+ return ret;
+}
+
+static const struct file_operations fops_delba = {
+ .write = ath10k_dbg_sta_write_delba,
+ .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)
{
@@ -197,4 +252,5 @@ void ath10k_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
&fops_aggr_mode);
debugfs_create_file("addba", S_IWUSR, dir, sta, &fops_addba);
debugfs_create_file("addba_resp", S_IWUSR, dir, sta, &fops_addba_resp);
+ debugfs_create_file("delba", S_IWUSR, dir, sta, &fops_delba);
}
This per-station debugfs entry helps to send delba in manual mode for debugging purpose. It accepts tid, initiator and reason code as inputs. To send delba, echo 0 1 37 >/sys/kernel/debug/ieee80211/phyX/netdev:wlanX/ stations/XX:XX:XX:XX:XX:XX/delba Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com> --- drivers/net/wireless/ath/ath10k/debugfs_sta.c | 56 +++++++++++++++++++++++++++ 1 file changed, 56 insertions(+)