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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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ath10k: add support to send 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> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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8e68d55f5e
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@ -181,6 +181,57 @@ static const struct file_operations fops_addba_resp = {
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.llseek = default_llseek,
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};
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static ssize_t ath10k_dbg_sta_write_delba(struct file *file,
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const char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct ieee80211_sta *sta = file->private_data;
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struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
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struct ath10k *ar = arsta->arvif->ar;
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u32 tid, initiator, reason;
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int ret;
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char buf[64];
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simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);
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/* make sure that buf is null terminated */
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buf[sizeof(buf) - 1] = '\0';
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ret = sscanf(buf, "%u %u %u", &tid, &initiator, &reason);
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if (ret != 3)
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return -EINVAL;
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/* Valid TID values are 0 through 15 */
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if (tid > HTT_DATA_TX_EXT_TID_MGMT - 2)
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return -EINVAL;
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mutex_lock(&ar->conf_mutex);
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if ((ar->state != ATH10K_STATE_ON) ||
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(arsta->aggr_mode != ATH10K_DBG_AGGR_MODE_MANUAL)) {
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ret = count;
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goto out;
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}
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ret = ath10k_wmi_delba_send(ar, arsta->arvif->vdev_id, sta->addr,
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tid, initiator, reason);
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if (ret) {
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ath10k_warn(ar, "failed to send delba: vdev_id %u peer %pM tid %u initiator %u reason %u\n",
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arsta->arvif->vdev_id, sta->addr, tid, initiator,
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reason);
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}
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ret = count;
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out:
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mutex_unlock(&ar->conf_mutex);
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return ret;
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}
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static const struct file_operations fops_delba = {
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.write = ath10k_dbg_sta_write_delba,
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.open = simple_open,
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.owner = THIS_MODULE,
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.llseek = default_llseek,
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};
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void ath10k_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
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struct ieee80211_sta *sta, struct dentry *dir)
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{
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@ -188,4 +239,5 @@ void ath10k_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
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&fops_aggr_mode);
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debugfs_create_file("addba", S_IWUSR, dir, sta, &fops_addba);
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debugfs_create_file("addba_resp", S_IWUSR, dir, sta, &fops_addba_resp);
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debugfs_create_file("delba", S_IWUSR, dir, sta, &fops_delba);
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}
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