89 lines
2.7 KiB
C
89 lines
2.7 KiB
C
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/*
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* Copyright (c) 2014 Qualcomm Atheros, Inc.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include "core.h"
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#include "wmi-ops.h"
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#include "debug.h"
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static ssize_t ath10k_dbg_sta_read_aggr_mode(struct file *file,
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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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char buf[32];
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int len = 0;
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mutex_lock(&ar->conf_mutex);
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len = scnprintf(buf, sizeof(buf) - len, "aggregation mode: %s\n",
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(arsta->aggr_mode == ATH10K_DBG_AGGR_MODE_AUTO) ?
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"auto" : "manual");
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mutex_unlock(&ar->conf_mutex);
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return simple_read_from_buffer(user_buf, count, ppos, buf, len);
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}
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static ssize_t ath10k_dbg_sta_write_aggr_mode(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 aggr_mode;
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int ret;
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if (kstrtouint_from_user(user_buf, count, 0, &aggr_mode))
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return -EINVAL;
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if (aggr_mode >= ATH10K_DBG_AGGR_MODE_MAX)
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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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(aggr_mode == arsta->aggr_mode)) {
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ret = count;
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goto out;
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}
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ret = ath10k_wmi_addba_clear_resp(ar, arsta->arvif->vdev_id, sta->addr);
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if (ret) {
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ath10k_warn(ar, "failed to clear addba session ret: %d\n", ret);
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goto out;
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}
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arsta->aggr_mode = aggr_mode;
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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_aggr_mode = {
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.read = ath10k_dbg_sta_read_aggr_mode,
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.write = ath10k_dbg_sta_write_aggr_mode,
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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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debugfs_create_file("aggr_mode", S_IRUGO | S_IWUSR, dir, sta,
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&fops_aggr_mode);
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}
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