377 lines
9.0 KiB
C
377 lines
9.0 KiB
C
/* Copyright (c) 2015-2016, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <linux/export.h>
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#include <linux/kernel.h>
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#include <linux/delay.h>
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#include <linux/pm.h>
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#include <linux/device.h>
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#include <linux/pm_wakeup.h>
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#include <linux/sched.h>
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#include <linux/suspend.h>
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#include <linux/mutex.h>
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#include <linux/rwsem.h>
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#include <net/cnss.h>
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#include <net/cnss_common.h>
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#include <net/cfg80211.h>
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enum cnss_dev_bus_type {
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CNSS_BUS_NONE = -1,
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CNSS_BUS_PCI,
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CNSS_BUS_SDIO
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};
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static DEFINE_MUTEX(unsafe_channel_list_lock);
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static DEFINE_MUTEX(dfs_nol_info_lock);
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static struct cnss_unsafe_channel_list {
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u16 unsafe_ch_count;
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u16 unsafe_ch_list[CNSS_MAX_CH_NUM];
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} unsafe_channel_list;
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static struct cnss_dfs_nol_info {
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void *dfs_nol_info;
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u16 dfs_nol_info_len;
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} dfs_nol_info;
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int cnss_set_wlan_unsafe_channel(u16 *unsafe_ch_list, u16 ch_count)
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{
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struct cnss_unsafe_channel_list *unsafe_list;
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mutex_lock(&unsafe_channel_list_lock);
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if ((!unsafe_ch_list) || (!ch_count) || (ch_count > CNSS_MAX_CH_NUM)) {
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mutex_unlock(&unsafe_channel_list_lock);
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return -EINVAL;
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}
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unsafe_list = &unsafe_channel_list;
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unsafe_channel_list.unsafe_ch_count = ch_count;
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memcpy(
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(char *)unsafe_list->unsafe_ch_list,
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(char *)unsafe_ch_list, ch_count * sizeof(u16));
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mutex_unlock(&unsafe_channel_list_lock);
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return 0;
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}
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EXPORT_SYMBOL(cnss_set_wlan_unsafe_channel);
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int cnss_get_wlan_unsafe_channel(
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u16 *unsafe_ch_list,
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u16 *ch_count, u16 buf_len)
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{
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struct cnss_unsafe_channel_list *unsafe_list;
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mutex_lock(&unsafe_channel_list_lock);
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if (!unsafe_ch_list || !ch_count) {
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mutex_unlock(&unsafe_channel_list_lock);
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return -EINVAL;
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}
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unsafe_list = &unsafe_channel_list;
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if (buf_len < (unsafe_list->unsafe_ch_count * sizeof(u16))) {
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mutex_unlock(&unsafe_channel_list_lock);
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return -ENOMEM;
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}
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*ch_count = unsafe_list->unsafe_ch_count;
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memcpy(
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(char *)unsafe_ch_list,
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(char *)unsafe_list->unsafe_ch_list,
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unsafe_list->unsafe_ch_count * sizeof(u16));
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mutex_unlock(&unsafe_channel_list_lock);
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return 0;
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}
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EXPORT_SYMBOL(cnss_get_wlan_unsafe_channel);
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int cnss_wlan_set_dfs_nol(const void *info, u16 info_len)
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{
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void *temp;
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struct cnss_dfs_nol_info *dfs_info;
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mutex_lock(&dfs_nol_info_lock);
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if (!info || !info_len) {
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mutex_unlock(&dfs_nol_info_lock);
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return -EINVAL;
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}
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temp = kmalloc(info_len, GFP_KERNEL);
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if (!temp) {
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mutex_unlock(&dfs_nol_info_lock);
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return -ENOMEM;
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}
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memcpy(temp, info, info_len);
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dfs_info = &dfs_nol_info;
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kfree(dfs_info->dfs_nol_info);
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dfs_info->dfs_nol_info = temp;
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dfs_info->dfs_nol_info_len = info_len;
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mutex_unlock(&dfs_nol_info_lock);
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return 0;
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}
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EXPORT_SYMBOL(cnss_wlan_set_dfs_nol);
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int cnss_wlan_get_dfs_nol(void *info, u16 info_len)
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{
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int len;
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struct cnss_dfs_nol_info *dfs_info;
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mutex_lock(&dfs_nol_info_lock);
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if (!info || !info_len) {
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mutex_unlock(&dfs_nol_info_lock);
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return -EINVAL;
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}
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dfs_info = &dfs_nol_info;
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if (dfs_info->dfs_nol_info == NULL || dfs_info->dfs_nol_info_len == 0) {
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mutex_unlock(&dfs_nol_info_lock);
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return -ENOENT;
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}
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len = min(info_len, dfs_info->dfs_nol_info_len);
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memcpy(info, dfs_info->dfs_nol_info, len);
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mutex_unlock(&dfs_nol_info_lock);
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return len;
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}
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EXPORT_SYMBOL(cnss_wlan_get_dfs_nol);
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void cnss_init_work(struct work_struct *work, work_func_t func)
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{
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INIT_WORK(work, func);
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}
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EXPORT_SYMBOL(cnss_init_work);
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void cnss_flush_work(void *work)
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{
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struct work_struct *cnss_work = work;
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cancel_work_sync(cnss_work);
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}
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EXPORT_SYMBOL(cnss_flush_work);
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void cnss_flush_delayed_work(void *dwork)
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{
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struct delayed_work *cnss_dwork = dwork;
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cancel_delayed_work_sync(cnss_dwork);
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}
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EXPORT_SYMBOL(cnss_flush_delayed_work);
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void cnss_pm_wake_lock_init(struct wakeup_source *ws, const char *name)
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{
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wakeup_source_init(ws, name);
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}
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EXPORT_SYMBOL(cnss_pm_wake_lock_init);
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void cnss_pm_wake_lock(struct wakeup_source *ws)
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{
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__pm_stay_awake(ws);
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}
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EXPORT_SYMBOL(cnss_pm_wake_lock);
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void cnss_pm_wake_lock_timeout(struct wakeup_source *ws, ulong msec)
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{
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__pm_wakeup_event(ws, msec);
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}
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EXPORT_SYMBOL(cnss_pm_wake_lock_timeout);
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void cnss_pm_wake_lock_release(struct wakeup_source *ws)
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{
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__pm_relax(ws);
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}
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EXPORT_SYMBOL(cnss_pm_wake_lock_release);
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void cnss_pm_wake_lock_destroy(struct wakeup_source *ws)
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{
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wakeup_source_trash(ws);
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}
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EXPORT_SYMBOL(cnss_pm_wake_lock_destroy);
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void cnss_get_monotonic_boottime(struct timespec *ts)
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{
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get_monotonic_boottime(ts);
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}
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EXPORT_SYMBOL(cnss_get_monotonic_boottime);
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void cnss_get_boottime(struct timespec *ts)
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{
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ktime_get_ts(ts);
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}
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EXPORT_SYMBOL(cnss_get_boottime);
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void cnss_init_delayed_work(struct delayed_work *work, work_func_t func)
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{
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INIT_DELAYED_WORK(work, func);
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}
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EXPORT_SYMBOL(cnss_init_delayed_work);
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int cnss_vendor_cmd_reply(struct sk_buff *skb)
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{
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return cfg80211_vendor_cmd_reply(skb);
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}
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EXPORT_SYMBOL(cnss_vendor_cmd_reply);
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int cnss_set_cpus_allowed_ptr(struct task_struct *task, ulong cpu)
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{
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return set_cpus_allowed_ptr(task, cpumask_of(cpu));
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}
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EXPORT_SYMBOL(cnss_set_cpus_allowed_ptr);
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/* wlan prop driver cannot invoke show_stack
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* function directly, so to invoke this function it
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* call wcnss_dump_stack function
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*/
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void cnss_dump_stack(struct task_struct *task)
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{
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show_stack(task, NULL);
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}
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EXPORT_SYMBOL(cnss_dump_stack);
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enum cnss_dev_bus_type cnss_get_dev_bus_type(struct device *dev)
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{
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if (!dev || !dev->bus)
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return CNSS_BUS_NONE;
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if (memcmp(dev->bus->name, "sdio", 4) == 0)
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return CNSS_BUS_SDIO;
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else if (memcmp(dev->bus->name, "pci", 3) == 0)
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return CNSS_BUS_PCI;
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else
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return CNSS_BUS_NONE;
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}
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#ifdef CONFIG_CNSS_SDIO
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int cnss_common_request_bus_bandwidth(struct device *dev, int bandwidth)
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{
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if (CNSS_BUS_SDIO == cnss_get_dev_bus_type(dev))
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return cnss_sdio_request_bus_bandwidth(bandwidth);
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else
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return 0;
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}
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EXPORT_SYMBOL(cnss_common_request_bus_bandwidth);
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void *cnss_common_get_virt_ramdump_mem(struct device *dev, unsigned long *size)
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{
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if (CNSS_BUS_SDIO == cnss_get_dev_bus_type(dev))
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return cnss_sdio_get_virt_ramdump_mem(size);
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else
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return NULL;
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}
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EXPORT_SYMBOL(cnss_common_get_virt_ramdump_mem);
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void cnss_common_device_self_recovery(struct device *dev)
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{
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if (CNSS_BUS_SDIO == cnss_get_dev_bus_type(dev))
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cnss_sdio_device_self_recovery();
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}
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EXPORT_SYMBOL(cnss_common_device_self_recovery);
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void cnss_common_schedule_recovery_work(struct device *dev)
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{
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if (CNSS_BUS_SDIO == cnss_get_dev_bus_type(dev))
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cnss_sdio_schedule_recovery_work();
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}
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EXPORT_SYMBOL(cnss_common_schedule_recovery_work);
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void cnss_common_device_crashed(struct device *dev)
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{
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if (CNSS_BUS_SDIO == cnss_get_dev_bus_type(dev))
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cnss_sdio_device_crashed();
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}
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EXPORT_SYMBOL(cnss_common_device_crashed);
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u8 *cnss_common_get_wlan_mac_address(struct device *dev, uint32_t *num)
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{
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if (CNSS_BUS_SDIO == cnss_get_dev_bus_type(dev))
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return cnss_sdio_get_wlan_mac_address(num);
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else
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return NULL;
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}
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EXPORT_SYMBOL(cnss_common_get_wlan_mac_address);
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int cnss_common_set_wlan_mac_address(
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struct device *dev, const u8 *in, uint32_t len)
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{
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if (CNSS_BUS_SDIO == cnss_get_dev_bus_type(dev))
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return cnss_sdio_set_wlan_mac_address(in, len);
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else
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return -EINVAL;
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}
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EXPORT_SYMBOL(cnss_common_set_wlan_mac_address);
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#endif
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#ifdef CONFIG_CNSS_PCI
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int cnss_common_request_bus_bandwidth(struct device *dev, int bandwidth)
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{
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if (CNSS_BUS_PCI == cnss_get_dev_bus_type(dev))
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return cnss_pci_request_bus_bandwidth(bandwidth);
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else
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return 0;
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}
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EXPORT_SYMBOL(cnss_common_request_bus_bandwidth);
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void *cnss_common_get_virt_ramdump_mem(struct device *dev, unsigned long *size)
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{
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if (CNSS_BUS_PCI == cnss_get_dev_bus_type(dev))
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return cnss_pci_get_virt_ramdump_mem(size);
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else
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return NULL;
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}
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EXPORT_SYMBOL(cnss_common_get_virt_ramdump_mem);
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void cnss_common_device_self_recovery(struct device *dev)
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{
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if (CNSS_BUS_PCI == cnss_get_dev_bus_type(dev))
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cnss_pci_device_self_recovery();
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}
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EXPORT_SYMBOL(cnss_common_device_self_recovery);
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void cnss_common_schedule_recovery_work(struct device *dev)
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{
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if (CNSS_BUS_PCI == cnss_get_dev_bus_type(dev))
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cnss_pci_schedule_recovery_work();
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}
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EXPORT_SYMBOL(cnss_common_schedule_recovery_work);
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void cnss_common_device_crashed(struct device *dev)
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{
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if (CNSS_BUS_PCI == cnss_get_dev_bus_type(dev))
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cnss_pci_device_crashed();
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}
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EXPORT_SYMBOL(cnss_common_device_crashed);
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u8 *cnss_common_get_wlan_mac_address(struct device *dev, uint32_t *num)
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{
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if (CNSS_BUS_PCI == cnss_get_dev_bus_type(dev))
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return cnss_pci_get_wlan_mac_address(num);
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else
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return NULL;
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}
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EXPORT_SYMBOL(cnss_common_get_wlan_mac_address);
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int cnss_common_set_wlan_mac_address(
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struct device *dev, const u8 *in, uint32_t len)
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{
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if (CNSS_BUS_PCI == cnss_get_dev_bus_type(dev))
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return cnss_pcie_set_wlan_mac_address(in, len);
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else
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return -EINVAL;
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}
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EXPORT_SYMBOL(cnss_common_set_wlan_mac_address);
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#endif
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