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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
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+ * any purpose with or without fee is hereby granted, provided that the
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+ * above copyright notice and this permission notice appear in all
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+ * copies.
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+ *
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+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
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+ * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
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+ * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
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+ * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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+ * PERFORMANCE OF THIS SOFTWARE.
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+ */
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+
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+/**
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+ * DOC: wlan_hdd_sysfs_reassoc.c
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+ *
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+ * implementation for creating sysfs file reassoc
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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_reassoc.h"
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+
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+static ssize_t
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+__wlan_hdd_store_reassoc_sysfs(struct net_device *net_dev, char const *buf,
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+ size_t count)
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+{
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+ struct hdd_adapter *adapter = netdev_priv(net_dev);
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+ tCsrRoamModifyProfileFields mod_fields;
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+ uint32_t roam_id = INVALID_ROAM_ID;
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+ struct hdd_context *hdd_ctx;
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+ mac_handle_t mac_handle;
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+ uint32_t operating_ch;
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+ tSirMacAddr bssid;
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+ int ret;
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+
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+ if (hdd_validate_adapter(adapter)) {
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+ hdd_err_rl("adapter validate fail");
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+ return -EINVAL;
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+ }
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+
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+ hdd_ctx = WLAN_HDD_GET_CTX(adapter);
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+ ret = wlan_hdd_validate_context(hdd_ctx);
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+ if (ret != 0)
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+ return ret;
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+
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+ if (!wlan_hdd_validate_modules_state(hdd_ctx))
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+ return -EINVAL;
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+
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+ mac_handle = hdd_ctx->mac_handle;
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+ operating_ch = wlan_reg_freq_to_chan(hdd_ctx->pdev,
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+ adapter->session.station.conn_info.chan_freq);
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+
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+ hdd_debug("reassoc: net_devname %s", net_dev->name);
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+
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+ sme_get_modify_profile_fields(mac_handle, adapter->vdev_id,
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+ &mod_fields);
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+
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+ if (roaming_offload_enabled(hdd_ctx)) {
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+ qdf_mem_copy(bssid,
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+ &adapter->session.station.conn_info.bssid,
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+ sizeof(bssid));
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+ hdd_wma_send_fastreassoc_cmd(adapter,
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+ bssid, operating_ch);
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+ } else {
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+ sme_roam_reassoc(mac_handle, adapter->vdev_id,
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+ NULL, mod_fields, &roam_id, 1);
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+ }
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+
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+ return count;
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+}
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+
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+static ssize_t wlan_hdd_store_reassoc_sysfs(struct device *dev,
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+ struct device_attribute *attr,
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+ char const *buf, size_t count)
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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 = __wlan_hdd_store_reassoc_sysfs(net_dev, buf, count);
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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(reassoc, 0220,
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+ NULL, wlan_hdd_store_reassoc_sysfs);
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+
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+int hdd_sysfs_reassoc_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_reassoc);
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+ if (error)
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+ hdd_err("could not create reassoc sysfs file");
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+
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+ return error;
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+}
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+
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+void hdd_sysfs_reassoc_destroy(struct hdd_adapter *adapter)
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+{
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+ device_remove_file(&adapter->dev->dev, &dev_attr_reassoc);
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+}
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Alan Chen