qcacld-3.0: Add rf test mode sysfs functionality

Add support to configure rf_test_mode_enabled.

Change-Id: I6a42cb078549ecccc5f5c769b97de14fc6f1ee79
CRs-Fixed: 3581791

Kbuild

@@ -476,6 +476,10 @@ ifeq ($(CONFIG_WLAN_SYSFS_ROAM_TRIGGER_BITMAP), y)
 HDD_OBJS += $(HDD_SRC_DIR)/wlan_hdd_sysfs_roam_trigger_bitmap.o
 endif
 
+ifeq ($(CONFIG_WLAN_SYSFS_RF_TEST_MODE), y)
+HDD_OBJS += $(HDD_SRC_DIR)/wlan_hdd_sysfs_rf_test_mode.o
+endif
+
 endif # CONFIG_WLAN_SYSFS
 
 ifeq ($(CONFIG_QCACLD_FEATURE_FW_STATE), y)
@@ -3661,6 +3665,7 @@ ccflags-$(CONFIG_WLAN_SYSFS_DFSNOL) += -DCONFIG_WLAN_SYSFS_DFSNOL
 ccflags-$(CONFIG_WLAN_SYSFS_WDS_MODE) += -DFEATURE_SYSFS_WDS_MODE
 ccflags-$(CONFIG_WLAN_SYSFS_ROAM_TRIGGER_BITMAP) += -DFEATURE_SYSFS_ROAM_TRIGGER_BITMAP
 cppflags-$(CONFIG_BCN_RATECODE_ENABLE) += -DWLAN_BCN_RATECODE_ENABLE
+ccflags-$(CONFIG_WLAN_SYSFS_RF_TEST_MODE) += -DFEATURE_SYSFS_RF_TEST_MODE
 
 ifeq ($(CONFIG_LEAK_DETECTION), y)
 ccflags-y += \

Kconfig

@@ -1895,4 +1895,8 @@ config QCA_WIFI_PEACH
 config BCN_RATECODE_ENABLE
 	bool "enable CONFIG_BCN_RATECODE_ENABLE"
 	default n
+
+config WLAN_SYSFS_RF_TEST_MODE
+	bool "enable CONFIG_WLAN_SYSFS_RF_TEST_MODE"
+	default n
 endif # QCA_CLD_WLAN

configs/config_to_feature.h

@@ -924,6 +924,10 @@
 #define FEATURE_SYSFS_ROAM_TRIGGER_BITMAP (1)
 #endif
 
+#ifdef CONFIG_WLAN_SYSFS_RF_TEST_MODE
+#define FEATURE_SYSFS_RF_TEST_MODE (1)
+#endif
+
 #ifdef CONFIG_RX_PERFORMANCE
 #define RX_PERFORMANCE (1)
 #endif

configs/default_defconfig

@@ -413,6 +413,7 @@ endif
 	CONFIG_WLAN_SYSFS_DFSNOL := y
 	CONFIG_WLAN_SYSFS_WDS_MODE := y
 	CONFIG_WLAN_SYSFS_ROAM_TRIGGER_BITMAP := y
+	CONFIG_WLAN_SYSFS_RF_TEST_MODE := y
 endif
 CONFIG_WLAN_PDEV_VDEV_SEND_MULTI_PARAM := y
 CONFIG_WLAN_POWER_DEBUG := y

configs/pineapple_gki_kiwi-v2_defconfig

@@ -328,6 +328,7 @@ CONFIG_WLAN_SYSFS_TEMPERATURE=y
 CONFIG_WLAN_SYSFS_TX_STBC=y
 CONFIG_WLAN_SYSFS_WLAN_DBG=y
 CONFIG_WLAN_SYSFS_BITRATES=y
+CONFIG_WLAN_SYSFS_RF_TEST_MODE=y
 CONFIG_WLAN_THERMAL_CFG=y
 CONFIG_WLAN_THERMAL_MULTI_CLIENT_SUPPORT=y
 CONFIG_WLAN_TRACEPOINTS=y

core/hdd/src/wlan_hdd_sysfs.c

@@ -95,6 +95,7 @@
 #include <wlan_hdd_sysfs_wds_mode.h>
 #include <wlan_hdd_sysfs_roam_trigger_bitmap.h>
 #include <wlan_hdd_sysfs_bitrates.h>
+#include <wlan_hdd_sysfs_rf_test_mode.h>
 
 #define MAX_PSOC_ID_SIZE 10
 
@@ -966,12 +967,14 @@ void hdd_create_sysfs_files(struct hdd_context *hdd_ctx)
 		hdd_sysfs_log_buffer_create(driver_kobject);
 		hdd_sysfs_wds_mode_create(driver_kobject);
 		hdd_sysfs_roam_trigger_bitmap_create(driver_kobject);
+		hdd_sysfs_rf_test_mode_create(driver_kobject);
 	}
 }
 
 void hdd_destroy_sysfs_files(void)
 {
 	if  (QDF_GLOBAL_MISSION_MODE == hdd_get_conparam()) {
+		hdd_sysfs_rf_test_mode_destroy(driver_kobject);
 		hdd_sysfs_roam_trigger_bitmap_destroy(driver_kobject);
 		hdd_sysfs_wds_mode_destroy(driver_kobject);
 		hdd_sysfs_log_buffer_destroy(driver_kobject);

core/hdd/src/wlan_hdd_sysfs_rf_test_mode.c

@@ -0,0 +1,158 @@
+/*
+ * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved..
+ *
+ * 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 <wlan_hdd_includes.h>
+#include "osif_psoc_sync.h"
+#include <wlan_hdd_sysfs.h>
+#include <wlan_hdd_sysfs_rf_test_mode.h>
+
+#define RF_TEST_MODE_ENABLE 1
+
+static ssize_t __hdd_sysfs_rf_test_mode_show(struct hdd_context *hdd_ctx,
+					     struct kobj_attribute *attr,
+					     char *buf)
+{
+	int ret = 0;
+	bool value;
+
+	if (!hdd_ctx || !hdd_ctx->psoc) {
+		hdd_err_rl("invalid input");
+		return ret;
+	}
+
+	ret = scnprintf(buf, PAGE_SIZE, "0x%x",
+			ucfg_mlme_is_rf_test_mode_enabled(hdd_ctx->psoc,
+							  &value));
+
+	return ret;
+}
+
+static ssize_t hdd_sysfs_rf_test_mode_show(struct kobject *kobj,
+					   struct kobj_attribute *attr,
+					   char *buf)
+{
+	struct osif_psoc_sync *psoc_sync;
+	struct hdd_context *hdd_ctx = cds_get_context(QDF_MODULE_ID_HDD);
+	ssize_t errno_size;
+
+	errno_size = osif_psoc_sync_op_start(wiphy_dev(hdd_ctx->wiphy),
+					     &psoc_sync);
+	if (errno_size)
+		return errno_size;
+
+	errno_size = __hdd_sysfs_rf_test_mode_show(hdd_ctx, attr, buf);
+
+	osif_psoc_sync_op_stop(psoc_sync);
+
+	return errno_size;
+}
+
+static ssize_t
+__hdd_sysfs_rf_test_mode_store(struct hdd_context *hdd_ctx,
+			       struct kobj_attribute *attr,
+			       const char *buf, size_t count)
+{
+	char buf_local[MAX_SYSFS_USER_COMMAND_SIZE_LENGTH + 1];
+	char *sptr, *token;
+	uint32_t value;
+	int ret = 0;
+
+	if (!hdd_ctx || !hdd_ctx->psoc) {
+		hdd_err_rl("invalid hdd ctx");
+		return ret;
+	}
+
+	ret = hdd_sysfs_validate_and_copy_buf(buf_local, sizeof(buf_local),
+					      buf, count);
+
+	if (ret) {
+		hdd_err_rl("invalid input");
+		return ret;
+	}
+
+	sptr = buf_local;
+	token = strsep(&sptr, " ");
+	if (!token)
+		return -EINVAL;
+	if (kstrtou32(token, 0, &value))
+		return -EINVAL;
+
+	hdd_debug("rf_test_mode: 0x%x", value);
+
+	/*
+	 * To enable rf_test_mode if value set is greater than one
+	 * adjust this value as one by default
+	 */
+	if (value > RF_TEST_MODE_ENABLE)
+		value = RF_TEST_MODE_ENABLE;
+
+	ucfg_mlme_set_rf_test_mode_enabled(hdd_ctx->psoc, value);
+
+	return count;
+}
+
+static ssize_t
+hdd_sysfs_rf_test_mode_store(struct kobject *kobj,
+			     struct kobj_attribute *attr,
+			     char const *buf, size_t count)
+{
+	struct osif_psoc_sync *psoc_sync;
+	struct hdd_context *hdd_ctx = cds_get_context(QDF_MODULE_ID_HDD);
+	ssize_t errno_size;
+
+	errno_size = osif_psoc_sync_op_start(wiphy_dev(hdd_ctx->wiphy),
+					     &psoc_sync);
+	if (errno_size)
+		return errno_size;
+
+	errno_size = __hdd_sysfs_rf_test_mode_store(hdd_ctx, attr, buf,
+						    count);
+
+	osif_psoc_sync_op_stop(psoc_sync);
+
+	return errno_size;
+}
+
+static struct kobj_attribute rf_test_mode_attribute =
+	__ATTR(rf_test_mode, 0664, hdd_sysfs_rf_test_mode_show,
+	       hdd_sysfs_rf_test_mode_store);
+
+int hdd_sysfs_rf_test_mode_create(struct kobject *driver_kobject)
+{
+	int error;
+
+	if (!driver_kobject) {
+		hdd_err("could not get driver kobject!");
+		return -EINVAL;
+	}
+
+	error = sysfs_create_file(driver_kobject,
+				  &rf_test_mode_attribute.attr);
+	if (error)
+		hdd_err("could not create rf_test_mode sysfs file");
+
+	return error;
+}
+
+void
+hdd_sysfs_rf_test_mode_destroy(struct kobject *driver_kobject)
+{
+	if (!driver_kobject) {
+		hdd_err("could not get driver kobject!");
+		return;
+	}
+	sysfs_remove_file(driver_kobject, &rf_test_mode_attribute.attr);
+}

core/hdd/src/wlan_hdd_sysfs_rf_test_mode.h

@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved..
+ *
+ * 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.
+ */
+
+#ifndef _WLAN_HDD_SYSFS_RF_TEST_MODE_H
+#define _WLAN_HDD_SYSFS_RF_TEST_MODE_H
+
+#if defined(WLAN_SYSFS) && defined(FEATURE_SYSFS_RF_TEST_MODE)
+
+/**
+ * hdd_sysfs_rf_test_mode_create() - API to create rf_test_mode sysfs file
+ *
+ * @driver_kobject: sysfs driver kobject
+ *
+ * file path: /sys/kernel/<chip name>/rf_test_mode
+ *
+ * usage:
+ *      echo [arg_0] > rf_test_mode
+ *
+ * Return: 0 on success and errno on failure
+ */
+int hdd_sysfs_rf_test_mode_create(struct kobject *driver_kobject);
+
+/**
+ * hdd_sysfs_rf_test_mode_destroy() - destroy hdd rf_test_mode sysfs node
+ *
+ * @driver_kobject: pointer to driver kobject
+ *
+ * Return: void
+ *
+ */
+void
+hdd_sysfs_rf_test_mode_destroy(struct kobject *driver_kobject);
+
+#else
+
+static inline int
+hdd_sysfs_rf_test_mode_create(struct kobject *driver_kobject)
+{
+	return 0;
+}
+
+static inline void
+hdd_sysfs_rf_test_mode_destroy(struct kobject *driver_kobject)
+{
+}
+#endif
+#endif
+

wlan_qcacld3_modules.bzl

@@ -1883,6 +1883,11 @@ _conditional_srcs = {
             "core/hdd/src/wlan_hdd_sysfs_roam_trigger_bitmap.c",
         ],
     },
+    "CONFIG_WLAN_SYSFS_RF_TEST_MODE": {
+        True: [
+            "core/hdd/src/wlan_hdd_sysfs_rf_test_mode.c",
+        ],
+    },
     "CONFIG_WLAN_SYSFS_DP_STATS": {
         True: [
             "core/hdd/src/wlan_hdd_sysfs_txrx_stats_console.c",