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+/*
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+ * Copyright (c) 2011-2020 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_txrx_stats.c
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+ *
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+ * implementation for creating sysfs file txrx_stats
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+ */
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+
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+#include <wlan_hdd_includes.h>
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+#include <wlan_hdd_main.h>
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+#include "osif_vdev_sync.h"
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+#include <wlan_hdd_sysfs.h>
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+#include <wlan_hdd_sysfs_txrx_stats.h>
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+#include "cds_api.h"
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+#include "cdp_txrx_cmn_struct.h"
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+#include "cdp_txrx_cmn.h"
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+
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+static ssize_t
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+__hdd_sysfs_txrx_stats_store(struct net_device *net_dev,
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+ char const *buf, size_t count)
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+{
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+ struct hdd_adapter *adapter = netdev_priv(net_dev);
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+ char buf_local[MAX_SYSFS_USER_COMMAND_SIZE_LENGTH + 1];
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+ void *soc = cds_get_context(QDF_MODULE_ID_SOC);
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+ struct cdp_txrx_stats_req req = {0};
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+ struct hdd_station_ctx *sta_ctx;
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+ struct hdd_context *hdd_ctx;
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+ char *sptr, *token;
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+ uint32_t val1;
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+ uint8_t val2;
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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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+ sta_ctx = WLAN_HDD_GET_STATION_CTX_PTR(adapter);
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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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+ ret = hdd_sysfs_validate_and_copy_buf(buf_local, sizeof(buf_local),
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+ buf, count);
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+
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+ if (ret) {
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+ hdd_err_rl("invalid input");
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+ return ret;
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+ }
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+
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+ sptr = buf_local;
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+ hdd_debug("txrx_stats: count %zu buf_local:(%s) net_devname %s",
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+ count, buf_local, net_dev->name);
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+
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+ /* Get val1 */
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+ token = strsep(&sptr, " ");
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+ if (!token)
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+ return -EINVAL;
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+ if (kstrtou32(token, 0, &val1))
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+ return -EINVAL;
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+
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+ /* Get val2 */
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+ token = strsep(&sptr, " ");
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+ if (!token)
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+ return -EINVAL;
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+ if (kstrtou8(token, 0, &val2))
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+ return -EINVAL;
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+
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+ req.stats = val1;
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+ /* default value of secondary parameter is 0(mac_id) */
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+ req.mac_id = val2;
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+
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+ hdd_debug("WE_SET_TXRX_STATS stats cmd: %d mac_id: %d",
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+ req.stats, req.mac_id);
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+ if (qdf_unlikely(!soc)) {
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+ hdd_err("soc is NULL");
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+ return -EINVAL;
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+ }
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+
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+ if (val1 == CDP_TXRX_STATS_28) {
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+ if (sta_ctx->conn_info.is_authenticated) {
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+ hdd_debug("ap mac addr: %pM",
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+ (void *)&sta_ctx->conn_info.bssid);
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+ req.peer_addr =
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+ (char *)&sta_ctx->conn_info.bssid;
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+ }
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+ }
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+ ret = cdp_txrx_stats_request(soc, adapter->vdev_id, &req);
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+
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+ if (ret) {
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+ hdd_err_rl("failed to set txrx stats: %d", ret);
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+ return ret;
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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
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+hdd_sysfs_txrx_stats_store(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 errno_size;
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+
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+ errno_size = osif_vdev_sync_op_start(net_dev, &vdev_sync);
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+ if (errno_size)
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+ return errno_size;
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+
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+ errno_size = __hdd_sysfs_txrx_stats_store(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 errno_size;
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+}
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+
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+static DEVICE_ATTR(txrx_stats, 0220,
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+ NULL, hdd_sysfs_txrx_stats_store);
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+
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+int hdd_sysfs_txrx_stats_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_txrx_stats);
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+ if (error)
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+ hdd_err("could not create txrx_stats 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_txrx_stats_destroy(struct hdd_adapter *adapter)
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+{
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+ device_remove_file(&adapter->dev->dev, &dev_attr_txrx_stats);
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+}
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Alan Chen