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@@ -1,37 +1,33 @@
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- * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved.
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+ * Copyright (c) 2018-2020, 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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+ * 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
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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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+ * 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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- * DOC: wlan_hdd_debugfs_connect.c
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+ * DOC: wlan_hdd_sysfs_connect_info.c
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*
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- * WLAN Host Device Driver implementation to update
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- * debugfs with connect information
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+ * WLAN Host Device Driver implementation to update sysfs with connect
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+ * information
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*/
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-#include <wlan_hdd_debugfs_csr.h>
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-#include <wlan_hdd_main.h>
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-#include <cds_sched.h>
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-#include <wma_api.h>
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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_connect_info.h"
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#include "qwlan_version.h"
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-#include "wmi_unified_param.h"
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- * wlan_hdd_version_info_debugfs() - Populate driver, FW and HW version
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+ * wlan_hdd_version_info() - Populate driver, FW and HW version
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* @hdd_ctx: pointer to hdd context
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* @buf: output buffer to hold version info
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* @buf_avail_len: available buffer length
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@@ -39,8 +35,8 @@
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* Return: No.of bytes populated by this function in buffer
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*/
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static ssize_t
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-wlan_hdd_version_info_debugfs(struct hdd_context *hdd_ctx, uint8_t *buf,
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- ssize_t buf_avail_len)
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+wlan_hdd_version_info(struct hdd_context *hdd_ctx, uint8_t *buf,
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+ ssize_t buf_avail_len)
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{
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ssize_t length = 0;
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int ret_val;
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@@ -305,16 +301,15 @@ uint8_t *hdd_ch_width_str(enum phy_ch_width ch_width)
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}
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- * wlan_hdd_connect_info_debugfs() - Populate connect info
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+ * wlan_hdd_connect_info() - Populate connect info
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* @adapter: pointer to sta adapter for which connect info is required
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* @buf: output buffer to hold version info
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* @buf_avail_len: available buffer length
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*
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* Return: No.of bytes populated by this function in buffer
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*/
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-static ssize_t
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-wlan_hdd_connect_info_debugfs(struct hdd_adapter *adapter, uint8_t *buf,
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- ssize_t buf_avail_len)
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+static ssize_t wlan_hdd_connect_info(struct hdd_adapter *adapter, uint8_t *buf,
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+ ssize_t buf_avail_len)
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{
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ssize_t length = 0;
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struct hdd_station_ctx *hdd_sta_ctx;
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@@ -410,47 +405,114 @@ wlan_hdd_connect_info_debugfs(struct hdd_adapter *adapter, uint8_t *buf,
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return length;
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}
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-ssize_t
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-wlan_hdd_debugfs_update_connect_info(struct hdd_context *hdd_ctx,
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- struct hdd_adapter *adapter,
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- uint8_t *buf, ssize_t buf_avail_len)
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+static ssize_t
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+wlan_hdd_current_time_info(uint8_t *buf, ssize_t buf_avail_len)
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+{
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+ ssize_t length;
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+ char time_buffer[HDD_TIME_STRING_LEN];
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+ int ret_val;
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+
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+ qdf_get_time_of_the_day_in_hr_min_sec_usec(time_buffer,
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+ sizeof(time_buffer));
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+ ret_val = scnprintf(buf, buf_avail_len,
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+ "\nTime at which this file generated = %s\n",
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+ time_buffer);
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+ if (ret_val < 0)
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+ return 0;
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+ length = ret_val;
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+
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+ return length;
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+}
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+
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+static ssize_t __show_connect_info(struct net_device *net_dev, char *buf,
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+ ssize_t buf_avail_len)
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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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ssize_t len;
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int ret_val;
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- hdd_enter();
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+ hdd_enter_dev(net_dev);
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- len = wlan_hdd_current_time_info_debugfs(buf, buf_avail_len);
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+ len = wlan_hdd_current_time_info(buf, buf_avail_len);
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if (len >= buf_avail_len) {
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hdd_err("No sufficient buf_avail_len");
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- return buf_avail_len;
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+ len = buf_avail_len;
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+ goto exit;
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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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+ return len;
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+
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if (adapter->device_mode != QDF_STA_MODE) {
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ret_val = scnprintf(buf + len, buf_avail_len - len,
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"Interface is not operating STA Mode\n");
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if (ret_val <= 0)
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- return len;
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+ goto exit;
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len += ret_val;
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- return len;
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+ goto exit;
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}
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if (len >= buf_avail_len) {
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hdd_err("No sufficient buf_avail_len");
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- return buf_avail_len;
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+ len = buf_avail_len;
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+ goto exit;
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}
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- len += wlan_hdd_version_info_debugfs(hdd_ctx, buf + len,
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- buf_avail_len - len);
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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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+ len += wlan_hdd_version_info(hdd_ctx, buf + len, buf_avail_len - len);
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if (len >= buf_avail_len) {
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hdd_err("No sufficient buf_avail_len");
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- return buf_avail_len;
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+ len = buf_avail_len;
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+ goto exit;
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}
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- len += wlan_hdd_connect_info_debugfs(adapter, buf + len,
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- buf_avail_len - len);
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+ len += wlan_hdd_connect_info(adapter, buf + len, buf_avail_len - len);
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+exit:
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hdd_exit();
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-
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return len;
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}
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+
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+static ssize_t show_connect_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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+ ssize_t buf_avail_len = SYSFS_CONNECT_INFO_BUF_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_connect_info(net_dev, buf, buf_avail_len);
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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(connect_info, 0444, show_connect_info, NULL);
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+
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+void hdd_sysfs_connect_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_connect_info);
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+ if (error)
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+ hdd_err("could not create connect_info sysfs file");
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+}
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+
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+void hdd_sysfs_connect_info_interface_destroy(struct hdd_adapter *adapter)
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+{
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+ device_remove_file(&adapter->dev->dev, &dev_attr_connect_info);
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+}
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+
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Bapiraju Alla