X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Fdrivers%2Fnet%2Fwireless%2Fath%2Fath10k%2Fdebugfs_sta.c;fp=kernel%2Fdrivers%2Fnet%2Fwireless%2Fath%2Fath10k%2Fdebugfs_sta.c;h=95b5c49374e0cd04dc5bafc4f089375792f5f38e;hb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;hp=0000000000000000000000000000000000000000;hpb=98260f3884f4a202f9ca5eabed40b1354c489b29;p=kvmfornfv.git

diff --git a/kernel/drivers/net/wireless/ath/ath10k/debugfs_sta.c b/kernel/drivers/net/wireless/ath/ath10k/debugfs_sta.c
new file mode 100644
index 000000000..95b5c4937
--- /dev/null
+++ b/kernel/drivers/net/wireless/ath/ath10k/debugfs_sta.c
@@ -0,0 +1,243 @@
+/*
+ * Copyright (c) 2014 Qualcomm Atheros, Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "core.h"
+#include "wmi-ops.h"
+#include "debug.h"
+
+static ssize_t ath10k_dbg_sta_read_aggr_mode(struct file *file,
+					     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;
+	char buf[32];
+	int len = 0;
+
+	mutex_lock(&ar->conf_mutex);
+	len = scnprintf(buf, sizeof(buf) - len, "aggregation mode: %s\n",
+			(arsta->aggr_mode == ATH10K_DBG_AGGR_MODE_AUTO) ?
+			"auto" : "manual");
+	mutex_unlock(&ar->conf_mutex);
+
+	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t ath10k_dbg_sta_write_aggr_mode(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 aggr_mode;
+	int ret;
+
+	if (kstrtouint_from_user(user_buf, count, 0, &aggr_mode))
+		return -EINVAL;
+
+	if (aggr_mode >= ATH10K_DBG_AGGR_MODE_MAX)
+		return -EINVAL;
+
+	mutex_lock(&ar->conf_mutex);
+	if ((ar->state != ATH10K_STATE_ON) ||
+	    (aggr_mode == arsta->aggr_mode)) {
+		ret = count;
+		goto out;
+	}
+
+	ret = ath10k_wmi_addba_clear_resp(ar, arsta->arvif->vdev_id, sta->addr);
+	if (ret) {
+		ath10k_warn(ar, "failed to clear addba session ret: %d\n", ret);
+		goto out;
+	}
+
+	arsta->aggr_mode = aggr_mode;
+out:
+	mutex_unlock(&ar->conf_mutex);
+	return ret;
+}
+
+static const struct file_operations fops_aggr_mode = {
+	.read = ath10k_dbg_sta_read_aggr_mode,
+	.write = ath10k_dbg_sta_write_aggr_mode,
+	.open = simple_open,
+	.owner = THIS_MODULE,
+	.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)
+		return -EINVAL;
+
+	/* Valid TID values are 0 through 15 */
+	if (tid > HTT_DATA_TX_EXT_TID_MGMT - 2)
+		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,
+};
+
+static ssize_t ath10k_dbg_sta_write_addba_resp(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, status;
+	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, &status);
+	if (ret != 2)
+		return -EINVAL;
+
+	/* Valid TID values are 0 through 15 */
+	if (tid > HTT_DATA_TX_EXT_TID_MGMT - 2)
+		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_set_resp(ar, arsta->arvif->vdev_id, sta->addr,
+					tid, status);
+	if (ret) {
+		ath10k_warn(ar, "failed to send addba response: vdev_id %u peer %pM tid %u status%u\n",
+			    arsta->arvif->vdev_id, sta->addr, tid, status);
+	}
+	ret = count;
+out:
+	mutex_unlock(&ar->conf_mutex);
+	return ret;
+}
+
+static const struct file_operations fops_addba_resp = {
+	.write = ath10k_dbg_sta_write_addba_resp,
+	.open = simple_open,
+	.owner = THIS_MODULE,
+	.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)
+		return -EINVAL;
+
+	/* Valid TID values are 0 through 15 */
+	if (tid > HTT_DATA_TX_EXT_TID_MGMT - 2)
+		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)
+{
+	debugfs_create_file("aggr_mode", S_IRUGO | S_IWUSR, dir, sta,
+			    &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);
+}