mirror of
https://github.com/lwfinger/rtl8188eu.git
synced 2025-07-03 03:56:00 +00:00
rtl8188eu: Copy the code from the kernel into a new branch
This version takes advantage of all the cleanups to the code. It has been modified to build on older kernels. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
This commit is contained in:
Larry Finger
parent
30901e601a
commit
77d786b6e8
156 changed files with 6564 additions and 41050 deletions
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@ -1,30 +1,13 @@
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/******************************************************************************
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*
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* Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* 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, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
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*
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*
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******************************************************************************/
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// SPDX-License-Identifier: GPL-2.0
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/* Copyright(c) 2007 - 2012 Realtek Corporation. */
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#define _OSDEP_SERVICE_C_
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#include <osdep_service.h>
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#include <drv_types.h>
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#include <recv_osdep.h>
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#include <linux/vmalloc.h>
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#include <rtw_ioctl_set.h>
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#include "../include/osdep_service.h"
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#include "../include/drv_types.h"
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#include "../include/recv_osdep.h"
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#include "../include/rtw_ioctl_set.h"
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#include <linux/version.h>
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/*
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* Translate the OS dependent @param error_code to OS independent RTW_STATUS_CODE
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@ -37,82 +20,20 @@ inline int RTW_STATUS_CODE(int error_code)
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return _FAIL;
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}
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u32 rtw_atoi(u8 *s)
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{
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int num = 0, flag = 0;
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int i;
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for (i = 0; i <= strlen(s); i++) {
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if (s[i] >= '0' && s[i] <= '9')
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num = num * 10 + s[i] - '0';
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else if (s[0] == '-' && i == 0)
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flag = 1;
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else
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break;
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}
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if (flag == 1)
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num = num * -1;
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return num;
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}
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inline u8 *_rtw_vmalloc(u32 sz)
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{
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u8 *pbuf;
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pbuf = vmalloc(sz);
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return pbuf;
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}
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inline u8 *_rtw_zvmalloc(u32 sz)
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{
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u8 *pbuf;
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pbuf = _rtw_vmalloc(sz);
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if (pbuf != NULL)
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memset(pbuf, 0, sz);
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return pbuf;
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}
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inline void _rtw_vmfree(u8 *pbuf, u32 sz)
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{
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vfree(pbuf);
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}
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u8 *_rtw_malloc(u32 sz)
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{
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u8 *pbuf = NULL;
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pbuf = kmalloc(sz, in_interrupt() ? GFP_ATOMIC : GFP_KERNEL);
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return pbuf;
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}
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u8 *_rtw_zmalloc(u32 sz)
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{
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u8 *pbuf = _rtw_malloc(sz);
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if (pbuf != NULL)
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memset(pbuf, 0, sz);
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return pbuf;
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}
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void *rtw_malloc2d(int h, int w, int size)
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{
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int j;
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void **a = (void **)rtw_zmalloc(h*sizeof(void *) + h*w*size);
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if (a == NULL) {
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pr_info("%s: alloc memory fail!\n", __func__);
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void **a = kzalloc(h * sizeof(void *) + h * w * size, GFP_KERNEL);
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if (!a)
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return NULL;
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}
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for (j = 0; j < h; j++)
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a[j] = ((char *)(a+h)) + j*w*size;
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a[j] = ((char *)(a + h)) + j * w * size;
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return a;
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}
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void rtw_mfree2d(void *pbuf, int h, int w, int size)
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{
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kfree(pbuf);
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}
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/*
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For the following list_xxx operations,
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caller must guarantee the atomic context.
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@ -122,34 +43,6 @@ Otherwise, there will be racing condition.
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Caller must check if the list is empty before calling rtw_list_delete
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*/
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u32 _rtw_down_sema(struct semaphore *sema)
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{
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if (down_interruptible(sema))
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return _FAIL;
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else
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return _SUCCESS;
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}
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void _rtw_mutex_init(struct mutex *pmutex)
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{
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mutex_init(pmutex);
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}
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void _rtw_mutex_free(struct mutex *pmutex)
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{
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mutex_destroy(pmutex);
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}
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void _rtw_spinlock_free(spinlock_t *plock)
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{
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}
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void _rtw_init_queue(struct __queue *pqueue)
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{
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INIT_LIST_HEAD(&(pqueue->queue));
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spin_lock_init(&(pqueue->lock));
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}
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inline u32 rtw_systime_to_ms(u32 systime)
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{
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return systime * 1000 / HZ;
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@ -163,120 +56,15 @@ inline u32 rtw_ms_to_systime(u32 ms)
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/* the input parameter start use the same unit as jiffies */
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inline s32 rtw_get_passing_time_ms(u32 start)
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{
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return rtw_systime_to_ms(jiffies-start);
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}
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inline s32 rtw_get_time_interval_ms(u32 start, u32 end)
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{
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return rtw_systime_to_ms(end-start);
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}
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void rtw_sleep_schedulable(int ms)
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{
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u32 delta;
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delta = (ms * HZ)/1000;/* ms) */
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if (delta == 0)
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delta = 1;/* 1 ms */
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set_current_state(TASK_INTERRUPTIBLE);
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if (schedule_timeout(delta) != 0)
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return;
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}
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void rtw_msleep_os(int ms)
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{
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msleep((unsigned int)ms);
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return rtw_systime_to_ms(jiffies - start);
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}
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void rtw_usleep_os(int us)
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{
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if (1 < (us/1000))
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if (1 < (us / 1000))
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msleep(1);
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else
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msleep((us/1000) + 1);
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}
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void rtw_mdelay_os(int ms)
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{
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mdelay((unsigned long)ms);
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}
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void rtw_udelay_os(int us)
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{
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udelay((unsigned long)us);
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}
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void rtw_yield_os(void)
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{
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yield();
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}
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#define RTW_SUSPEND_LOCK_NAME "rtw_wifi"
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inline void rtw_suspend_lock_init(void)
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{
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}
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inline void rtw_suspend_lock_uninit(void)
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{
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}
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inline void rtw_lock_suspend(void)
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{
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}
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inline void rtw_unlock_suspend(void)
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{
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}
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inline void ATOMIC_SET(ATOMIC_T *v, int i)
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{
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atomic_set(v, i);
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}
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inline int ATOMIC_READ(ATOMIC_T *v)
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{
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return atomic_read(v);
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}
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inline void ATOMIC_ADD(ATOMIC_T *v, int i)
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{
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atomic_add(i, v);
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}
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inline void ATOMIC_SUB(ATOMIC_T *v, int i)
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{
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atomic_sub(i, v);
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}
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inline void ATOMIC_INC(ATOMIC_T *v)
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{
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atomic_inc(v);
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}
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inline void ATOMIC_DEC(ATOMIC_T *v)
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{
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atomic_dec(v);
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}
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inline int ATOMIC_ADD_RETURN(ATOMIC_T *v, int i)
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{
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return atomic_add_return(i, v);
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}
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inline int ATOMIC_SUB_RETURN(ATOMIC_T *v, int i)
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{
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return atomic_sub_return(i, v);
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}
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inline int ATOMIC_INC_RETURN(ATOMIC_T *v)
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{
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return atomic_inc_return(v);
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}
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inline int ATOMIC_DEC_RETURN(ATOMIC_T *v)
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{
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return atomic_dec_return(v);
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msleep((us / 1000) + 1);
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}
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static const struct device_type wlan_type = {
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@ -313,7 +101,7 @@ struct net_device *rtw_alloc_etherdev(int sizeof_priv)
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pnpi = netdev_priv(pnetdev);
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pnpi->priv = rtw_zvmalloc(sizeof_priv);
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pnpi->priv = vzalloc(sizeof_priv);
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if (!pnpi->priv) {
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free_netdev(pnetdev);
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pnetdev = NULL;
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@ -337,7 +125,7 @@ void rtw_free_netdev(struct net_device *netdev)
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if (!pnpi->priv)
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goto RETURN;
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rtw_vmfree(pnpi->priv, pnpi->sizeof_priv);
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vfree(pnpi->priv);
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free_netdev(netdev);
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RETURN:
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@ -368,8 +156,6 @@ int rtw_change_ifname(struct adapter *padapter, const char *ifname)
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else
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unregister_netdevice(cur_pnetdev);
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rtw_proc_remove_one(cur_pnetdev);
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rereg_priv->old_pnetdev = cur_pnetdev;
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pnetdev = rtw_init_netdev(padapter);
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@ -385,44 +171,24 @@ int rtw_change_ifname(struct adapter *padapter, const char *ifname)
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#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 17, 0)
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memcpy(pnetdev->dev_addr, padapter->eeprompriv.mac_addr, ETH_ALEN);
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#else
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dev_addr_set(pnetdev, padapter->eeprompriv.mac_addr);
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eth_hw_addr_set(pnetdev, padapter->eeprompriv.mac_addr);
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#endif
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if (!rtnl_is_locked())
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ret = register_netdev(pnetdev);
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else
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ret = register_netdevice(pnetdev);
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if (ret != 0) {
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RT_TRACE(_module_hci_intfs_c_, _drv_err_,
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("register_netdev() failed\n"));
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if (ret != 0)
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goto error;
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}
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rtw_proc_init_one(pnetdev);
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return 0;
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error:
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return -1;
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}
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u64 rtw_modular64(u64 x, u64 y)
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{
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return do_div(x, y);
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}
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u64 rtw_division64(u64 x, u64 y)
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{
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do_div(x, y);
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return x;
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}
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void rtw_buf_free(u8 **buf, u32 *buf_len)
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{
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*buf_len = 0;
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kfree(*buf);
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*buf = NULL;
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}
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void rtw_buf_update(u8 **buf, u32 *buf_len, u8 *src, u32 src_len)
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{
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u32 ori_len = 0, dup_len = 0;
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u32 dup_len = 0;
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u8 *ori = NULL;
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u8 *dup = NULL;
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@ -433,7 +199,7 @@ void rtw_buf_update(u8 **buf, u32 *buf_len, u8 *src, u32 src_len)
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goto keep_ori;
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/* duplicate src */
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dup = rtw_malloc(src_len);
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dup = kmalloc(src_len, GFP_ATOMIC);
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if (dup) {
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dup_len = src_len;
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memcpy(dup, src, dup_len);
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@ -441,7 +207,6 @@ void rtw_buf_update(u8 **buf, u32 *buf_len, u8 *src, u32 src_len)
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keep_ori:
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ori = *buf;
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ori_len = *buf_len;
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/* replace buf with dup */
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*buf_len = 0;
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@ -452,17 +217,6 @@ keep_ori:
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kfree(ori);
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}
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/**
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* rtw_cbuf_full - test if cbuf is full
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* @cbuf: pointer of struct rtw_cbuf
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*
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* Returns: true if cbuf is full
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*/
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inline bool rtw_cbuf_full(struct rtw_cbuf *cbuf)
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{
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return (cbuf->write == cbuf->read-1) ? true : false;
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}
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/**
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* rtw_cbuf_empty - test if cbuf is empty
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* @cbuf: pointer of struct rtw_cbuf
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@ -474,27 +228,6 @@ inline bool rtw_cbuf_empty(struct rtw_cbuf *cbuf)
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return (cbuf->write == cbuf->read) ? true : false;
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}
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/**
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* rtw_cbuf_push - push a pointer into cbuf
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* @cbuf: pointer of struct rtw_cbuf
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* @buf: pointer to push in
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*
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* Lock free operation, be careful of the use scheme
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* Returns: true push success
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*/
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bool rtw_cbuf_push(struct rtw_cbuf *cbuf, void *buf)
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{
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if (rtw_cbuf_full(cbuf))
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return _FAIL;
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if (0)
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DBG_88E("%s on %u\n", __func__, cbuf->write);
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cbuf->bufs[cbuf->write] = buf;
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cbuf->write = (cbuf->write+1)%cbuf->size;
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return _SUCCESS;
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}
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/**
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* rtw_cbuf_pop - pop a pointer from cbuf
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* @cbuf: pointer of struct rtw_cbuf
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@ -508,10 +241,8 @@ void *rtw_cbuf_pop(struct rtw_cbuf *cbuf)
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if (rtw_cbuf_empty(cbuf))
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return NULL;
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if (0)
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DBG_88E("%s on %u\n", __func__, cbuf->read);
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buf = cbuf->bufs[cbuf->read];
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cbuf->read = (cbuf->read+1)%cbuf->size;
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cbuf->read = (cbuf->read + 1) % cbuf->size;
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return buf;
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}
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@ -526,8 +257,7 @@ struct rtw_cbuf *rtw_cbuf_alloc(u32 size)
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{
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struct rtw_cbuf *cbuf;
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cbuf = (struct rtw_cbuf *)rtw_malloc(sizeof(*cbuf) +
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sizeof(void *)*size);
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cbuf = kmalloc(struct_size(cbuf, bufs, size), GFP_KERNEL);
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if (cbuf) {
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cbuf->write = 0;
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