diff --git a/Kbuild b/Kbuild index 26cdb04c91fd..0ee8f83f4729 100644 --- a/Kbuild +++ b/Kbuild @@ -276,6 +276,9 @@ HDD_OBJS += $(HDD_SRC_DIR)/wlan_hdd_sysfs_modify_acl.o ifeq ($(CONFIG_WLAN_SYSFS_CONNECT_INFO), y) HDD_OBJS += $(HDD_SRC_DIR)/wlan_hdd_sysfs_connect_info.o endif +ifeq ($(CONFIG_WLAN_SCAN_DISABLE), y) +HDD_OBJS += $(HDD_SRC_DIR)/wlan_hdd_sysfs_scan_disable.o +endif endif ifeq ($(CONFIG_QCACLD_FEATURE_FW_STATE), y) @@ -2504,6 +2507,7 @@ cppflags-$(CONFIG_UNIT_TEST) += -DWLAN_UNIT_TEST cppflags-$(CONFIG_WLAN_DEBUG_CRASH_INJECT) += -DCONFIG_WLAN_DEBUG_CRASH_INJECT cppflags-$(CONFIG_WLAN_SET_FW_MODE_CFG) += -DCONFIG_WLAN_SET_FW_MODE_CFG cppflags-$(CONFIG_WLAN_REASSOC) += -DCONFIG_WLAN_REASSOC +cppflags-$(CONFIG_WLAN_SCAN_DISABLE) += -DCONFIG_WLAN_SCAN_DISABLE cppflags-$(CONFIG_FEATURE_UNIT_TEST_SUSPEND) += -DWLAN_SUSPEND_RESUME_TEST cppflags-$(CONFIG_FEATURE_WLM_STATS) += -DFEATURE_WLM_STATS diff --git a/configs/default_defconfig b/configs/default_defconfig index 275aef8b3cd2..8723c0c9baf3 100644 --- a/configs/default_defconfig +++ b/configs/default_defconfig @@ -178,6 +178,7 @@ ifeq ($(CONFIG_WLAN_SYSFS), y) CONFIG_WLAN_SET_FW_MODE_CFG := y CONFIG_WLAN_REASSOC := y CONFIG_WLAN_SYSFS_CONNECT_INFO := y + CONFIG_WLAN_SCAN_DISABLE := y endif CONFIG_WLAN_POWER_DEBUG := y diff --git a/core/hdd/src/wlan_hdd_sysfs.c b/core/hdd/src/wlan_hdd_sysfs.c index ed27ea55b6ca..cbbb6df33f59 100644 --- a/core/hdd/src/wlan_hdd_sysfs.c +++ b/core/hdd/src/wlan_hdd_sysfs.c @@ -44,6 +44,7 @@ #include "wlan_hdd_sysfs_unit_test.h" #include "wlan_hdd_sysfs_modify_acl.h" #include "wlan_hdd_sysfs_connect_info.h" +#include #define MAX_PSOC_ID_SIZE 10 @@ -664,12 +665,14 @@ void hdd_create_sysfs_files(struct hdd_context *hdd_ctx) if (QDF_GLOBAL_MISSION_MODE == hdd_get_conparam()) { hdd_sysfs_create_powerstats_interface(); hdd_sysfs_set_fw_mode_cfg_create(driver_kobject); + hdd_sysfs_scan_disable_create(driver_kobject); } } void hdd_destroy_sysfs_files(void) { if (QDF_GLOBAL_MISSION_MODE == hdd_get_conparam()) { + hdd_sysfs_scan_disable_destroy(driver_kobject); hdd_sysfs_set_fw_mode_cfg_destroy(driver_kobject); hdd_sysfs_destroy_powerstats_interface(); } diff --git a/core/hdd/src/wlan_hdd_sysfs_scan_disable.c b/core/hdd/src/wlan_hdd_sysfs_scan_disable.c new file mode 100644 index 000000000000..ba9f82e18260 --- /dev/null +++ b/core/hdd/src/wlan_hdd_sysfs_scan_disable.c @@ -0,0 +1,130 @@ +/* + * Copyright (c) 2011-2020 The Linux Foundation. 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. + */ + +/** + * DOC: wlan_hdd_sysfs_scan_disable.c + * + * implementation for creating sysfs scan_disable + */ + +#include +#include "osif_psoc_sync.h" +#include +#include + +static ssize_t +__hdd_sysfs_scan_disable_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; + + if (!wlan_hdd_validate_modules_state(hdd_ctx)) + return -EINVAL; + + if (!hdd_ctx->psoc) + return -EINVAL; + + 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; + hdd_debug("scan_disable: count %zu buf_local:(%s)", + count, buf_local); + + /* Get value */ + token = strsep(&sptr, " "); + if (!token) + return -EINVAL; + if (kstrtou32(token, 0, &value)) + return -EINVAL; + + hdd_debug("%d", value); + + if (value) + ucfg_scan_psoc_set_disable(hdd_ctx->psoc, REASON_USER_SPACE); + else + ucfg_scan_psoc_set_enable(hdd_ctx->psoc, REASON_USER_SPACE); + + return count; +} + +static ssize_t +hdd_sysfs_scan_disable_store(struct kobject *kobj, + struct kobj_attribute *attr, + const char *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; + int ret; + + ret = wlan_hdd_validate_context(hdd_ctx); + if (ret) + return ret; + + errno_size = osif_psoc_sync_op_start(wiphy_dev(hdd_ctx->wiphy), + &psoc_sync); + if (errno_size) + return errno_size; + + errno_size = __hdd_sysfs_scan_disable_store(hdd_ctx, attr, + buf, count); + + osif_psoc_sync_op_stop(psoc_sync); + + return errno_size; +} + +static struct kobj_attribute scan_disable_attribute = + __ATTR(scan_disable, 0220, NULL, + hdd_sysfs_scan_disable_store); + +int hdd_sysfs_scan_disable_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, + &scan_disable_attribute.attr); + if (error) + hdd_err("could not create scan_disable sysfs file"); + + return error; +} + +void +hdd_sysfs_scan_disable_destroy(struct kobject *driver_kobject) +{ + if (!driver_kobject) { + hdd_err("could not get driver kobject!"); + return; + } + sysfs_remove_file(driver_kobject, &scan_disable_attribute.attr); +} diff --git a/core/hdd/src/wlan_hdd_sysfs_scan_disable.h b/core/hdd/src/wlan_hdd_sysfs_scan_disable.h new file mode 100644 index 000000000000..6031f0f77450 --- /dev/null +++ b/core/hdd/src/wlan_hdd_sysfs_scan_disable.h @@ -0,0 +1,61 @@ +/* + * Copyright (c) 2011-2020 The Linux Foundation. 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. + */ + +/** + * DOC: wlan_hdd_sysfs_scan_disable.h + * + * implementation for creating sysfs file scan_disable + */ + +#ifndef _WLAN_HDD_SYSFS_SCAN_DISABLE_H +#define _WLAN_HDD_SYSFS_SCAN_DISABLE_H + +#if defined(WLAN_SYSFS) && defined(CONFIG_WLAN_SCAN_DISABLE) +/** + * hdd_sysfs_scan_disable_create() - API to create scan_disable + * @driver_kobject: sysfs driver kobject + * + * file path: /sys/kernel/wifi/scan_disable + * + * usage: + * echo [arg_0] > scan_disable + * + * Return: 0 on success and errno on failure + */ +int hdd_sysfs_scan_disable_create(struct kobject *driver_kobject); + +/** + * hdd_sysfs_scan_disable_destroy() - API to destroy scan_disable + * + * Return: none + */ +void +hdd_sysfs_scan_disable_destroy(struct kobject *driver_kobject); +#else +static inline int +hdd_sysfs_scan_disable_create(struct kobject *driver_kobject) +{ + return 0; +} + +static inline void +hdd_sysfs_scan_disable_destroy(struct kobject *driver_kobject) +{ +} +#endif +#endif /* #ifndef _WLAN_HDD_SYSFS_SCAN_DISABLE_H */