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@@ -0,0 +1,109 @@
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+/*
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+ * Copyright (c) 2020, The Linux Foundation. All rights reserved.
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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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+
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+/**
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+ * DOC: wlan_hdd_sysfs_get_sta_info.c
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+ *
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+ * implementation for creating sysfs file get_sta_info
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+ */
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+
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+#include <wlan_hdd_includes.h>
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+#include "osif_vdev_sync.h"
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+#include "wlan_hdd_sysfs_get_sta_info.h"
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+
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+static ssize_t __show_sta_info(struct net_device *net_dev, char *buf)
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+{
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+ struct hdd_adapter *adapter = netdev_priv(net_dev);
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+ struct hdd_context *hdd_ctx;
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+ struct hdd_station_info *sta;
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+ int ret_val;
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+
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+ hdd_enter_dev(net_dev);
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+
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+ ret_val = hdd_validate_adapter(adapter);
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+ if (0 != ret_val)
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+ goto exit;
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+
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+ if (adapter->device_mode != QDF_SAP_MODE)
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+ goto exit;
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+
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+ hdd_ctx = WLAN_HDD_GET_CTX(adapter);
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+ ret_val = wlan_hdd_validate_context(hdd_ctx);
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+ if (0 != ret_val)
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+ goto exit;
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+
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+ ret_val = scnprintf(buf, PAGE_SIZE,
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+ "%s get_sta_info:\nstaAddress\n",
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+ net_dev->name);
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+
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+ hdd_for_each_sta_ref(adapter->sta_info_list, sta) {
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+ if (QDF_IS_ADDR_BROADCAST(sta->sta_mac.bytes)) {
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+ hdd_put_sta_info_ref(&adapter->sta_info_list, &sta,
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+ true);
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+ continue;
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+ }
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+ ret_val += scnprintf(buf + ret_val, PAGE_SIZE - ret_val,
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+ QDF_MAC_ADDR_STR " ecsa=%d\n",
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+ sta->sta_mac.bytes[0],
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+ sta->sta_mac.bytes[1],
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+ sta->sta_mac.bytes[2],
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+ sta->sta_mac.bytes[3],
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+ sta->sta_mac.bytes[4],
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+ sta->sta_mac.bytes[5],
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+ sta->ecsa_capable);
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+
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+ hdd_put_sta_info_ref(&adapter->sta_info_list, &sta, true);
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+ }
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+
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+exit:
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+ hdd_exit();
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+ return ret_val;
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+}
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+
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+static ssize_t show_sta_info(struct device *dev,
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+ struct device_attribute *attr,
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+ char *buf)
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+{
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+ struct net_device *net_dev = container_of(dev, struct net_device, dev);
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+ struct osif_vdev_sync *vdev_sync;
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+ ssize_t err_size;
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+
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+ err_size = osif_vdev_sync_op_start(net_dev, &vdev_sync);
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+ if (err_size)
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+ return err_size;
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+
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+ err_size = __show_sta_info(net_dev, buf);
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+
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+ osif_vdev_sync_op_stop(vdev_sync);
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+
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+ return err_size;
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+}
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+
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+static DEVICE_ATTR(get_sta_info, 0444, show_sta_info, NULL);
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+
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+void hdd_sysfs_get_sta_info_interface_create(struct hdd_adapter *adapter)
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+{
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+ int error;
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+
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+ error = device_create_file(&adapter->dev->dev, &dev_attr_get_sta_info);
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+ if (error)
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+ hdd_err("Could not create get_sta_info sysfs file");
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+}
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+
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+void hdd_sysfs_get_sta_info_interface_destroy(struct hdd_adapter *adapter)
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+{
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+ device_remove_file(&adapter->dev->dev, &dev_attr_get_sta_info);
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+}
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Bapiraju Alla