99 lines
1.7 KiB
C
99 lines
1.7 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/******************************************************************************
|
|
*
|
|
* Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
|
|
*
|
|
******************************************************************************/
|
|
#define _OSDEP_SERVICE_C_
|
|
|
|
#include <osdep_service.h>
|
|
#include <osdep_intf.h>
|
|
#include <drv_types.h>
|
|
#include <recv_osdep.h>
|
|
#include <linux/vmalloc.h>
|
|
#include <rtw_ioctl_set.h>
|
|
|
|
u8 *_rtw_malloc(u32 sz)
|
|
{
|
|
return kmalloc(sz, in_interrupt() ? GFP_ATOMIC : GFP_KERNEL);
|
|
}
|
|
|
|
void _rtw_init_queue(struct __queue *pqueue)
|
|
{
|
|
INIT_LIST_HEAD(&pqueue->queue);
|
|
spin_lock_init(&pqueue->lock);
|
|
}
|
|
|
|
struct net_device *rtw_alloc_etherdev_with_old_priv(void *old_priv)
|
|
{
|
|
struct net_device *pnetdev;
|
|
struct rtw_netdev_priv_indicator *pnpi;
|
|
|
|
pnetdev = alloc_etherdev_mq(sizeof(struct rtw_netdev_priv_indicator), 4);
|
|
if (!pnetdev)
|
|
goto RETURN;
|
|
|
|
pnpi = netdev_priv(pnetdev);
|
|
pnpi->priv = old_priv;
|
|
|
|
RETURN:
|
|
return pnetdev;
|
|
}
|
|
|
|
void rtw_free_netdev(struct net_device *netdev)
|
|
{
|
|
struct rtw_netdev_priv_indicator *pnpi;
|
|
|
|
if (!netdev)
|
|
goto RETURN;
|
|
|
|
pnpi = netdev_priv(netdev);
|
|
|
|
if (!pnpi->priv)
|
|
goto RETURN;
|
|
|
|
vfree(pnpi->priv);
|
|
free_netdev(netdev);
|
|
|
|
RETURN:
|
|
return;
|
|
}
|
|
|
|
void rtw_buf_free(u8 **buf, u32 *buf_len)
|
|
{
|
|
*buf_len = 0;
|
|
kfree(*buf);
|
|
*buf = NULL;
|
|
}
|
|
|
|
void rtw_buf_update(u8 **buf, u32 *buf_len, u8 *src, u32 src_len)
|
|
{
|
|
u32 dup_len = 0;
|
|
u8 *ori = NULL;
|
|
u8 *dup = NULL;
|
|
|
|
if (!buf || !buf_len)
|
|
return;
|
|
|
|
if (!src || !src_len)
|
|
goto keep_ori;
|
|
|
|
/* duplicate src */
|
|
dup = rtw_malloc(src_len);
|
|
if (dup) {
|
|
dup_len = src_len;
|
|
memcpy(dup, src, dup_len);
|
|
}
|
|
|
|
keep_ori:
|
|
ori = *buf;
|
|
|
|
/* replace buf with dup */
|
|
*buf_len = 0;
|
|
*buf = dup;
|
|
*buf_len = dup_len;
|
|
|
|
/* free ori */
|
|
kfree(ori);
|
|
}
|