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osdep_service.c
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osdep_service.c
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/******************************************************************************
*
* Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
*
*
******************************************************************************/
#define _OSDEP_SERVICE_C_
#include <drv_types.h>
#define RT_TAG '1178'
#ifdef DBG_MEMORY_LEAK
atomic_t _malloc_cnt = ATOMIC_INIT(0);
atomic_t _malloc_size = ATOMIC_INIT(0);
#endif /* DBG_MEMORY_LEAK */
/*
* Translate the OS dependent @param error_code to OS independent RTW_STATUS_CODE
* @return: one of RTW_STATUS_CODE
*/
inline int RTW_STATUS_CODE(int error_code)
{
if (error_code >= 0)
return _SUCCESS;
switch (error_code) {
/* case -ETIMEDOUT: */
/* return RTW_STATUS_TIMEDOUT; */
default:
return _FAIL;
}
}
u32 rtw_atoi(u8 *s)
{
int num = 0, flag = 0;
int i;
for (i = 0; i <= strlen(s); i++) {
if (s[i] >= '0' && s[i] <= '9')
num = num * 10 + s[i] - '0';
else if (s[0] == '-' && i == 0)
flag = 1;
else
break;
}
if (flag == 1)
num = num * -1;
return num;
}
inline u8 *_rtw_vmalloc(u32 sz)
{
u8 *pbuf;
pbuf = vmalloc(sz);
#ifdef DBG_MEMORY_LEAK
if (pbuf != NULL) {
atomic_inc(&_malloc_cnt);
atomic_add(sz, &_malloc_size);
}
#endif /* DBG_MEMORY_LEAK */
return pbuf;
}
inline u8 *_rtw_zvmalloc(u32 sz)
{
u8 *pbuf;
pbuf = _rtw_vmalloc(sz);
if (pbuf != NULL)
memset(pbuf, 0, sz);
return pbuf;
}
inline void _rtw_vmfree(u8 *pbuf, u32 sz)
{
vfree(pbuf);
#ifdef DBG_MEMORY_LEAK
atomic_dec(&_malloc_cnt);
atomic_sub(sz, &_malloc_size);
#endif /* DBG_MEMORY_LEAK */
}
u8 *_rtw_malloc(u32 sz)
{
u8 *pbuf = NULL;
#ifdef RTK_DMP_PLATFORM
if (sz > 0x4000)
pbuf = (u8 *)dvr_malloc(sz);
else
#endif
pbuf = kmalloc(sz, in_interrupt() ? GFP_ATOMIC : GFP_KERNEL);
#ifdef DBG_MEMORY_LEAK
if (pbuf != NULL) {
atomic_inc(&_malloc_cnt);
atomic_add(sz, &_malloc_size);
}
#endif /* DBG_MEMORY_LEAK */
return pbuf;
}
u8 *_rtw_zmalloc(u32 sz)
{
u8 *pbuf = _rtw_malloc(sz);
if (pbuf != NULL) {
memset(pbuf, 0, sz);
}
return pbuf;
}
void _rtw_mfree(u8 *pbuf, u32 sz)
{
#ifdef RTK_DMP_PLATFORM
if (sz > 0x4000)
dvr_free(pbuf);
else
#endif
kfree(pbuf);
#ifdef DBG_MEMORY_LEAK
atomic_dec(&_malloc_cnt);
atomic_sub(sz, &_malloc_size);
#endif /* DBG_MEMORY_LEAK */
}
inline struct sk_buff *_rtw_skb_alloc(u32 sz)
{
return __dev_alloc_skb(sz, in_interrupt() ? GFP_ATOMIC : GFP_KERNEL);
}
inline void _rtw_skb_free(struct sk_buff *skb)
{
dev_kfree_skb_any(skb);
}
inline struct sk_buff *_rtw_skb_copy(const struct sk_buff *skb)
{
return skb_copy(skb, in_interrupt() ? GFP_ATOMIC : GFP_KERNEL);
}
inline struct sk_buff *_rtw_skb_clone(struct sk_buff *skb)
{
return skb_clone(skb, in_interrupt() ? GFP_ATOMIC : GFP_KERNEL);
}
inline struct sk_buff *_rtw_pskb_copy(struct sk_buff *skb)
{
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 36))
return pskb_copy(skb, in_interrupt() ? GFP_ATOMIC : GFP_KERNEL);
#else
return skb_clone(skb, in_interrupt() ? GFP_ATOMIC : GFP_KERNEL);
#endif
}
inline int _rtw_netif_rx(_nic_hdl ndev, struct sk_buff *skb)
{
skb->dev = ndev;
return netif_rx(skb);
}
#ifdef CONFIG_RTW_NAPI
inline int _rtw_netif_receive_skb(_nic_hdl ndev, struct sk_buff *skb)
{
skb->dev = ndev;
return netif_receive_skb(skb);
}
#ifdef CONFIG_RTW_GRO
inline gro_result_t _rtw_napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb)
{
return napi_gro_receive(napi, skb);
}
#endif /* CONFIG_RTW_GRO */
#endif /* CONFIG_RTW_NAPI */
void _rtw_skb_queue_purge(struct sk_buff_head *list)
{
struct sk_buff *skb;
while ((skb = skb_dequeue(list)) != NULL)
_rtw_skb_free(skb);
}
#ifdef CONFIG_USB_HCI
inline void *_rtw_usb_buffer_alloc(struct usb_device *dev, size_t size, dma_addr_t *dma)
{
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35))
return usb_alloc_coherent(dev, size, (in_interrupt() ? GFP_ATOMIC : GFP_KERNEL), dma);
#else
return usb_buffer_alloc(dev, size, (in_interrupt() ? GFP_ATOMIC : GFP_KERNEL), dma);
#endif
inline void _rtw_usb_buffer_free(struct usb_device *dev, size_t size, void *addr, dma_addr_t dma)
{
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35))
usb_free_coherent(dev, size, addr, dma);
#else
usb_buffer_free(dev, size, addr, dma);
#endif
}
#endif /* CONFIG_USB_HCI */
#if defined(DBG_MEM_ALLOC)
struct rtw_mem_stat {
ATOMIC_T alloc; /* the memory bytes we allocate currently */
ATOMIC_T peak; /* the peak memory bytes we allocate */
ATOMIC_T alloc_cnt; /* the alloc count for alloc currently */
ATOMIC_T alloc_err_cnt; /* the error times we fail to allocate memory */
};
struct rtw_mem_stat rtw_mem_type_stat[mstat_tf_idx(MSTAT_TYPE_MAX)];
#ifdef RTW_MEM_FUNC_STAT
struct rtw_mem_stat rtw_mem_func_stat[mstat_ff_idx(MSTAT_FUNC_MAX)];
#endif
char *MSTAT_TYPE_str[] = {
"VIR",
"PHY",
"SKB",
"USB",
};
#ifdef RTW_MEM_FUNC_STAT
char *MSTAT_FUNC_str[] = {
"UNSP",
"IO",
"TXIO",
"RXIO",
"TX",
"RX",
};
#endif
void rtw_mstat_dump(void *sel)
{
int i;
int value_t[4][mstat_tf_idx(MSTAT_TYPE_MAX)];
#ifdef RTW_MEM_FUNC_STAT
int value_f[4][mstat_ff_idx(MSTAT_FUNC_MAX)];
#endif
int vir_alloc, vir_peak, vir_alloc_err, phy_alloc, phy_peak, phy_alloc_err;
int tx_alloc, tx_peak, tx_alloc_err, rx_alloc, rx_peak, rx_alloc_err;
for (i = 0; i < mstat_tf_idx(MSTAT_TYPE_MAX); i++) {
value_t[0][i] = ATOMIC_READ(&(rtw_mem_type_stat[i].alloc));
value_t[1][i] = ATOMIC_READ(&(rtw_mem_type_stat[i].peak));
value_t[2][i] = ATOMIC_READ(&(rtw_mem_type_stat[i].alloc_cnt));
value_t[3][i] = ATOMIC_READ(&(rtw_mem_type_stat[i].alloc_err_cnt));
}
#ifdef RTW_MEM_FUNC_STAT
for (i = 0; i < mstat_ff_idx(MSTAT_FUNC_MAX); i++) {
value_f[0][i] = ATOMIC_READ(&(rtw_mem_func_stat[i].alloc));
value_f[1][i] = ATOMIC_READ(&(rtw_mem_func_stat[i].peak));
value_f[2][i] = ATOMIC_READ(&(rtw_mem_func_stat[i].alloc_cnt));
value_f[3][i] = ATOMIC_READ(&(rtw_mem_func_stat[i].alloc_err_cnt));
}
#endif
RTW_PRINT_SEL(sel, "===================== MSTAT =====================\n");
RTW_PRINT_SEL(sel, "%4s %10s %10s %10s %10s\n", "TAG", "alloc", "peak", "aloc_cnt", "err_cnt");
RTW_PRINT_SEL(sel, "-------------------------------------------------\n");
for (i = 0; i < mstat_tf_idx(MSTAT_TYPE_MAX); i++)
RTW_PRINT_SEL(sel, "%4s %10d %10d %10d %10d\n", MSTAT_TYPE_str[i], value_t[0][i], value_t[1][i], value_t[2][i], value_t[3][i]);
#ifdef RTW_MEM_FUNC_STAT
RTW_PRINT_SEL(sel, "-------------------------------------------------\n");
for (i = 0; i < mstat_ff_idx(MSTAT_FUNC_MAX); i++)
RTW_PRINT_SEL(sel, "%4s %10d %10d %10d %10d\n", MSTAT_FUNC_str[i], value_f[0][i], value_f[1][i], value_f[2][i], value_f[3][i]);
#endif
}
void rtw_mstat_update(const enum mstat_f flags, const MSTAT_STATUS status, u32 sz)
{
static u32 update_time = 0;
int peak, alloc;
int i;
/* initialization */
if (!update_time) {
for (i = 0; i < mstat_tf_idx(MSTAT_TYPE_MAX); i++) {
ATOMIC_SET(&(rtw_mem_type_stat[i].alloc), 0);
ATOMIC_SET(&(rtw_mem_type_stat[i].peak), 0);
ATOMIC_SET(&(rtw_mem_type_stat[i].alloc_cnt), 0);
ATOMIC_SET(&(rtw_mem_type_stat[i].alloc_err_cnt), 0);
}
#ifdef RTW_MEM_FUNC_STAT
for (i = 0; i < mstat_ff_idx(MSTAT_FUNC_MAX); i++) {
ATOMIC_SET(&(rtw_mem_func_stat[i].alloc), 0);
ATOMIC_SET(&(rtw_mem_func_stat[i].peak), 0);
ATOMIC_SET(&(rtw_mem_func_stat[i].alloc_cnt), 0);
ATOMIC_SET(&(rtw_mem_func_stat[i].alloc_err_cnt), 0);
}
#endif
}
switch (status) {
case MSTAT_ALLOC_SUCCESS:
ATOMIC_INC(&(rtw_mem_type_stat[mstat_tf_idx(flags)].alloc_cnt));
alloc = ATOMIC_ADD_RETURN(&(rtw_mem_type_stat[mstat_tf_idx(flags)].alloc), sz);
peak = ATOMIC_READ(&(rtw_mem_type_stat[mstat_tf_idx(flags)].peak));
if (peak < alloc)
ATOMIC_SET(&(rtw_mem_type_stat[mstat_tf_idx(flags)].peak), alloc);
#ifdef RTW_MEM_FUNC_STAT
ATOMIC_INC(&(rtw_mem_func_stat[mstat_ff_idx(flags)].alloc_cnt));
alloc = ATOMIC_ADD_RETURN(&(rtw_mem_func_stat[mstat_ff_idx(flags)].alloc), sz);
peak = ATOMIC_READ(&(rtw_mem_func_stat[mstat_ff_idx(flags)].peak));
if (peak < alloc)
ATOMIC_SET(&(rtw_mem_func_stat[mstat_ff_idx(flags)].peak), alloc);
#endif
break;
case MSTAT_ALLOC_FAIL:
ATOMIC_INC(&(rtw_mem_type_stat[mstat_tf_idx(flags)].alloc_err_cnt));
#ifdef RTW_MEM_FUNC_STAT
ATOMIC_INC(&(rtw_mem_func_stat[mstat_ff_idx(flags)].alloc_err_cnt));
#endif
break;
case MSTAT_FREE:
ATOMIC_DEC(&(rtw_mem_type_stat[mstat_tf_idx(flags)].alloc_cnt));
ATOMIC_SUB(&(rtw_mem_type_stat[mstat_tf_idx(flags)].alloc), sz);
#ifdef RTW_MEM_FUNC_STAT
ATOMIC_DEC(&(rtw_mem_func_stat[mstat_ff_idx(flags)].alloc_cnt));
ATOMIC_SUB(&(rtw_mem_func_stat[mstat_ff_idx(flags)].alloc), sz);
#endif
break;
};
/* if (rtw_get_passing_time_ms(update_time) > 5000) { */
/* rtw_mstat_dump(RTW_DBGDUMP); */
update_time = rtw_get_current_time();
/* } */
}
#ifndef SIZE_MAX
#define SIZE_MAX (~(size_t)0)
#endif
struct mstat_sniff_rule {
enum mstat_f flags;
size_t lb;
size_t hb;
};
struct mstat_sniff_rule mstat_sniff_rules[] = {
{MSTAT_TYPE_PHY, 4097, SIZE_MAX},
};
int mstat_sniff_rule_num = sizeof(mstat_sniff_rules) / sizeof(struct mstat_sniff_rule);
bool match_mstat_sniff_rules(const enum mstat_f flags, const size_t size)
{
int i;
for (i = 0; i < mstat_sniff_rule_num; i++) {
if (mstat_sniff_rules[i].flags == flags
&& mstat_sniff_rules[i].lb <= size
&& mstat_sniff_rules[i].hb >= size)
return _TRUE;
}
return _FALSE;
}
inline u8 *dbg_rtw_vmalloc(u32 sz, const enum mstat_f flags, const char *func, const int line)
{
u8 *p;
if (match_mstat_sniff_rules(flags, sz))
RTW_INFO("DBG_MEM_ALLOC %s:%d %s(%d)\n", func, line, __FUNCTION__, (sz));
p = _rtw_vmalloc((sz));
rtw_mstat_update(
flags
, p ? MSTAT_ALLOC_SUCCESS : MSTAT_ALLOC_FAIL
, sz
);
return p;
}
inline u8 *dbg_rtw_zvmalloc(u32 sz, const enum mstat_f flags, const char *func, const int line)
{
u8 *p;
if (match_mstat_sniff_rules(flags, sz))
RTW_INFO("DBG_MEM_ALLOC %s:%d %s(%d)\n", func, line, __FUNCTION__, (sz));
p = _rtw_zvmalloc((sz));
rtw_mstat_update(
flags
, p ? MSTAT_ALLOC_SUCCESS : MSTAT_ALLOC_FAIL
, sz
);
return p;
}
inline void dbg_rtw_vmfree(u8 *pbuf, u32 sz, const enum mstat_f flags, const char *func, const int line)
{
if (match_mstat_sniff_rules(flags, sz))
RTW_INFO("DBG_MEM_ALLOC %s:%d %s(%d)\n", func, line, __FUNCTION__, (sz));
_rtw_vmfree((pbuf), (sz));
rtw_mstat_update(
flags
, MSTAT_FREE
, sz
);
}
inline u8 *dbg_rtw_malloc(u32 sz, const enum mstat_f flags, const char *func, const int line)
{
u8 *p;
if (match_mstat_sniff_rules(flags, sz))
RTW_INFO("DBG_MEM_ALLOC %s:%d %s(%d)\n", func, line, __FUNCTION__, (sz));
p = _rtw_malloc((sz));
rtw_mstat_update(
flags
, p ? MSTAT_ALLOC_SUCCESS : MSTAT_ALLOC_FAIL
, sz
);
return p;
}
inline u8 *dbg_rtw_zmalloc(u32 sz, const enum mstat_f flags, const char *func, const int line)
{
u8 *p;
if (match_mstat_sniff_rules(flags, sz))
RTW_INFO("DBG_MEM_ALLOC %s:%d %s(%d)\n", func, line, __FUNCTION__, (sz));
p = _rtw_zmalloc((sz));
rtw_mstat_update(
flags
, p ? MSTAT_ALLOC_SUCCESS : MSTAT_ALLOC_FAIL
, sz
);
return p;
}
inline void dbg_rtw_mfree(u8 *pbuf, u32 sz, const enum mstat_f flags, const char *func, const int line)
{
if (match_mstat_sniff_rules(flags, sz))
RTW_INFO("DBG_MEM_ALLOC %s:%d %s(%d)\n", func, line, __FUNCTION__, (sz));
_rtw_mfree((pbuf), (sz));
rtw_mstat_update(
flags
, MSTAT_FREE
, sz
);
}
inline struct sk_buff *dbg_rtw_skb_alloc(unsigned int size, const enum mstat_f flags, const char *func, int line)
{
struct sk_buff *skb;
unsigned int truesize = 0;
skb = _rtw_skb_alloc(size);
if (skb)
truesize = skb->truesize;
if (!skb || truesize < size || match_mstat_sniff_rules(flags, truesize))
RTW_INFO("DBG_MEM_ALLOC %s:%d %s(%d), skb:%p, truesize=%u\n", func, line, __FUNCTION__, size, skb, truesize);
rtw_mstat_update(
flags
, skb ? MSTAT_ALLOC_SUCCESS : MSTAT_ALLOC_FAIL
, truesize
);
return skb;
}
inline void dbg_rtw_skb_free(struct sk_buff *skb, const enum mstat_f flags, const char *func, int line)
{
unsigned int truesize = skb->truesize;
if (match_mstat_sniff_rules(flags, truesize))
RTW_INFO("DBG_MEM_ALLOC %s:%d %s, truesize=%u\n", func, line, __FUNCTION__, truesize);
_rtw_skb_free(skb);
rtw_mstat_update(
flags
, MSTAT_FREE
, truesize
);
}
inline struct sk_buff *dbg_rtw_skb_copy(const struct sk_buff *skb, const enum mstat_f flags, const char *func, const int line)
{
struct sk_buff *skb_cp;
unsigned int truesize = skb->truesize;
unsigned int cp_truesize = 0;
skb_cp = _rtw_skb_copy(skb);
if (skb_cp)
cp_truesize = skb_cp->truesize;
if (!skb_cp || cp_truesize < truesize || match_mstat_sniff_rules(flags, cp_truesize))
RTW_INFO("DBG_MEM_ALLOC %s:%d %s(%u), skb_cp:%p, cp_truesize=%u\n", func, line, __FUNCTION__, truesize, skb_cp, cp_truesize);
rtw_mstat_update(
flags
, skb_cp ? MSTAT_ALLOC_SUCCESS : MSTAT_ALLOC_FAIL
, truesize
);
return skb_cp;
}
inline struct sk_buff *dbg_rtw_skb_clone(struct sk_buff *skb, const enum mstat_f flags, const char *func, const int line)
{
struct sk_buff *skb_cl;
unsigned int truesize = skb->truesize;
unsigned int cl_truesize = 0;
skb_cl = _rtw_skb_clone(skb);
if (skb_cl)
cl_truesize = skb_cl->truesize;
if (!skb_cl || cl_truesize < truesize || match_mstat_sniff_rules(flags, cl_truesize))
RTW_INFO("DBG_MEM_ALLOC %s:%d %s(%u), skb_cl:%p, cl_truesize=%u\n", func, line, __FUNCTION__, truesize, skb_cl, cl_truesize);
rtw_mstat_update(
flags
, skb_cl ? MSTAT_ALLOC_SUCCESS : MSTAT_ALLOC_FAIL
, truesize
);
return skb_cl;
}
inline int dbg_rtw_netif_rx(_nic_hdl ndev, struct sk_buff *skb, const enum mstat_f flags, const char *func, int line)
{
int ret;
unsigned int truesize = skb->truesize;
if (match_mstat_sniff_rules(flags, truesize))
RTW_INFO("DBG_MEM_ALLOC %s:%d %s, truesize=%u\n", func, line, __FUNCTION__, truesize);
ret = _rtw_netif_rx(ndev, skb);
rtw_mstat_update(
flags
, MSTAT_FREE
, truesize
);
return ret;
}
#ifdef CONFIG_RTW_NAPI
inline int dbg_rtw_netif_receive_skb(_nic_hdl ndev, struct sk_buff *skb, const enum mstat_f flags, const char *func, int line)
{
int ret;
unsigned int truesize = skb->truesize;
if (match_mstat_sniff_rules(flags, truesize))
RTW_INFO("DBG_MEM_ALLOC %s:%d %s, truesize=%u\n", func, line, __FUNCTION__, truesize);
ret = _rtw_netif_receive_skb(ndev, skb);
rtw_mstat_update(
flags
, MSTAT_FREE
, truesize
);
return ret;
}
#ifdef CONFIG_RTW_GRO
inline gro_result_t dbg_rtw_napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb, const enum mstat_f flags, const char *func, int line)
{
int ret;
unsigned int truesize = skb->truesize;
if (match_mstat_sniff_rules(flags, truesize))
RTW_INFO("DBG_MEM_ALLOC %s:%d %s, truesize=%u\n", func, line, __FUNCTION__, truesize);
ret = _rtw_napi_gro_receive(napi, skb);
rtw_mstat_update(
flags
, MSTAT_FREE
, truesize
);
return ret;
}
#endif /* CONFIG_RTW_GRO */
#endif /* CONFIG_RTW_NAPI */
inline void dbg_rtw_skb_queue_purge(struct sk_buff_head *list, enum mstat_f flags, const char *func, int line)
{
struct sk_buff *skb;
while ((skb = skb_dequeue(list)) != NULL)
dbg_rtw_skb_free(skb, flags, func, line);
}
#ifdef CONFIG_USB_HCI
inline void *dbg_rtw_usb_buffer_alloc(struct usb_device *dev, size_t size, dma_addr_t *dma, const enum mstat_f flags, const char *func, int line)
{
void *p;
if (match_mstat_sniff_rules(flags, size))
RTW_INFO("DBG_MEM_ALLOC %s:%d %s(%zu)\n", func, line, __FUNCTION__, size);
p = _rtw_usb_buffer_alloc(dev, size, dma);
rtw_mstat_update(
flags
, p ? MSTAT_ALLOC_SUCCESS : MSTAT_ALLOC_FAIL
, size
);
return p;
}
inline void dbg_rtw_usb_buffer_free(struct usb_device *dev, size_t size, void *addr, dma_addr_t dma, const enum mstat_f flags, const char *func, int line)
{
if (match_mstat_sniff_rules(flags, size))
RTW_INFO("DBG_MEM_ALLOC %s:%d %s(%zu)\n", func, line, __FUNCTION__, size);
_rtw_usb_buffer_free(dev, size, addr, dma);
rtw_mstat_update(
flags
, MSTAT_FREE
, size
);
}
#endif /* CONFIG_USB_HCI */
#endif /* defined(DBG_MEM_ALLOC) */
void *rtw_malloc2d(int h, int w, size_t size)
{
int j;
void **a = (void **) rtw_zmalloc(h * sizeof(void *) + h * w * size);
if (a == NULL) {
RTW_INFO("%s: alloc memory fail!\n", __FUNCTION__);
return NULL;
}
for (j = 0; j < h; j++)
a[j] = ((char *)(a + h)) + j * w * size;
return a;
}
void rtw_mfree2d(void *pbuf, int h, int w, int size)
{
rtw_mfree((u8 *)pbuf, h * sizeof(void *) + w * h * size);
}
void _rtw_memcpy(void *dst, const void *src, u32 sz)
{
memcpy(dst, src, sz);
}
inline void _rtw_memmove(void *dst, const void *src, u32 sz)
{
memmove(dst, src, sz);
}
int _rtw_memcmp(const void *dst, const void *src, u32 sz)
{
/* under Linux/GNU/GLibc, the return value of memcmp for two same mem. chunk is 0 */
if (!(memcmp(dst, src, sz)))
return _TRUE;
else
return _FALSE;
}
void _rtw_memset(void *pbuf, int c, u32 sz)
{
memset(pbuf, c, sz);
}
void _rtw_init_listhead(_list *list)
{
INIT_LIST_HEAD(list);
}
/*
For the following list_xxx operations,
caller must guarantee the atomic context.
Otherwise, there will be racing condition.
*/
u32 rtw_is_list_empty(_list *phead)
{
if (list_empty(phead))
return _TRUE;
else
return _FALSE;
}
void rtw_list_insert_head(_list *plist, _list *phead)
{
list_add(plist, phead);
}
void rtw_list_insert_tail(_list *plist, _list *phead)
{
list_add_tail(plist, phead);
}
#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 15, 0)
void rtw_init_timer(_timer *ptimer, void *padapter, void *pfunc)
{
_adapter *adapter = (_adapter *)padapter;
_init_timer(ptimer, adapter->pnetdev, pfunc, adapter);
}
#endif
/*
Caller must check if the list is empty before calling rtw_list_delete
*/
void _rtw_init_sema(_sema *sema, int init_val)
{
sema_init(sema, init_val);
}
void _rtw_free_sema(_sema *sema)
{
}
void _rtw_up_sema(_sema *sema)
{
up(sema);
}
u32 _rtw_down_sema(_sema *sema)
{
if (down_interruptible(sema))
return _FAIL;
else
return _SUCCESS;
}
void _rtw_mutex_init(_mutex *pmutex)
{
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37))
mutex_init(pmutex);
#else
init_MUTEX(pmutex);
#endif
}
void _rtw_mutex_free(_mutex *pmutex);
void _rtw_mutex_free(_mutex *pmutex)
{
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37))
mutex_destroy(pmutex);
#endif
}
void _rtw_spinlock_init(_lock *plock)
{
spin_lock_init(plock);
}
void _rtw_spinlock_free(_lock *plock)
{
}
void _rtw_spinlock(_lock *plock)
{
spin_lock(plock);
}
void _rtw_spinunlock(_lock *plock)
{
spin_unlock(plock);
}
void _rtw_spinlock_ex(_lock *plock)
{
spin_lock(plock);
}
void _rtw_spinunlock_ex(_lock *plock)
{
spin_unlock(plock);
}
void _rtw_init_queue(_queue *pqueue)
{
_rtw_init_listhead(&(pqueue->queue));
_rtw_spinlock_init(&(pqueue->lock));
}
void _rtw_deinit_queue(_queue *pqueue)
{
_rtw_spinlock_free(&(pqueue->lock));
}
u32 _rtw_queue_empty(_queue *pqueue)
{
return rtw_is_list_empty(&(pqueue->queue));
}
u32 rtw_end_of_queue_search(_list *head, _list *plist)
{
if (head == plist)
return _TRUE;
else
return _FALSE;
}
u32 rtw_get_current_time(void)
{
return jiffies;
}
inline u32 rtw_systime_to_ms(u32 systime)
{
return systime * 1000 / HZ;
}
inline u32 rtw_ms_to_systime(u32 ms)
{
return ms * HZ / 1000;
}
/* the input parameter start use the same unit as returned by rtw_get_current_time */
inline s32 rtw_get_passing_time_ms(u32 start)
{
return rtw_systime_to_ms(jiffies - start);
}
inline s32 rtw_get_time_interval_ms(u32 start, u32 end)
{
return rtw_systime_to_ms(end - start);
}
void rtw_sleep_schedulable(int ms)
{
u32 delta;
delta = (ms * HZ) / 1000; /* (ms) */
if (delta == 0) {
delta = 1;/* 1 ms */
}
set_current_state(TASK_INTERRUPTIBLE);
schedule_timeout(delta);
}
void rtw_msleep_os(int ms)
{
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 36))
if (ms < 20) {
unsigned long us = ms * 1000UL;
usleep_range(us, us + 1000UL);
} else
#endif
msleep((unsigned int)ms);
}
void rtw_usleep_os(int us)
{
/* msleep((unsigned int)us); */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 36))
usleep_range(us, us + 1);
#else
if (1 < (us / 1000))
msleep(1);
else
msleep((us / 1000) + 1);
#endif
}
#ifdef DBG_DELAY_OS
void _rtw_mdelay_os(int ms, const char *func, const int line)
{
RTW_INFO("%s:%d %s(%d)\n", func, line, __FUNCTION__, ms);
mdelay((unsigned long)ms);
}
void _rtw_udelay_os(int us, const char *func, const int line)
{
RTW_INFO("%s:%d %s(%d)\n", func, line, __FUNCTION__, us);
udelay((unsigned long)us);
}
#else
void rtw_mdelay_os(int ms)
{
mdelay((unsigned long)ms);
}
void rtw_udelay_os(int us)
{
udelay((unsigned long)us);
}
#endif
void rtw_yield_os(void)
{
yield();
}
#define RTW_SUSPEND_LOCK_NAME "rtw_wifi"
#define RTW_SUSPEND_EXT_LOCK_NAME "rtw_wifi_ext"
#define RTW_SUSPEND_RX_LOCK_NAME "rtw_wifi_rx"
#define RTW_SUSPEND_TRAFFIC_LOCK_NAME "rtw_wifi_traffic"
#define RTW_SUSPEND_RESUME_LOCK_NAME "rtw_wifi_resume"
#define RTW_RESUME_SCAN_LOCK_NAME "rtw_wifi_scan"
#ifdef CONFIG_WAKELOCK
static struct wake_lock rtw_suspend_lock;
static struct wake_lock rtw_suspend_ext_lock;
static struct wake_lock rtw_suspend_rx_lock;
static struct wake_lock rtw_suspend_traffic_lock;
static struct wake_lock rtw_suspend_resume_lock;
static struct wake_lock rtw_resume_scan_lock;
#elif defined(CONFIG_ANDROID_POWER)
static android_suspend_lock_t rtw_suspend_lock = {
.name = RTW_SUSPEND_LOCK_NAME
};
static android_suspend_lock_t rtw_suspend_ext_lock = {
.name = RTW_SUSPEND_EXT_LOCK_NAME
};
static android_suspend_lock_t rtw_suspend_rx_lock = {
.name = RTW_SUSPEND_RX_LOCK_NAME
};
static android_suspend_lock_t rtw_suspend_traffic_lock = {
.name = RTW_SUSPEND_TRAFFIC_LOCK_NAME
};
static android_suspend_lock_t rtw_suspend_resume_lock = {
.name = RTW_SUSPEND_RESUME_LOCK_NAME
};
static android_suspend_lock_t rtw_resume_scan_lock = {
.name = RTW_RESUME_SCAN_LOCK_NAME
};
#endif
inline void rtw_suspend_lock_init(void)
{
#ifdef CONFIG_WAKELOCK