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/*
* $Id: //depot/sw/releases/olca2.0-GPL/host/os/linux/include/osapi_linux.h#1 $
*
* This file contains the definitions of the basic atheros data types.
* It is used to map the data types in atheros files to a platform specific
* type.
*
* Copyright 2003-2005 Atheros Communications, Inc., All Rights Reserved.
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation;
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
*
*
*/
#ifndef _OSAPI_LINUX_H_
#define _OSAPI_LINUX_H_
#ifdef __KERNEL__
#include <linux/version.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/skbuff.h>
#include <linux/netdevice.h>
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
#include <linux/jiffies.h>
#endif
#include <linux/timer.h>
#include <linux/delay.h>
#include <linux/wait.h>
#ifdef KERNEL_2_4
#include <asm/arch/irq.h>
#include <asm/irq.h>
#endif
#ifdef __GNUC__
#define __ATTRIB_PACK __attribute__ ((packed))
#define __ATTRIB_PRINTF __attribute__ ((format (printf, 1, 2)))
#define __ATTRIB_NORETURN __attribute__ ((noreturn))
#ifndef INLINE
#define INLINE __inline__
#endif
#else /* Not GCC */
#define __ATTRIB_PACK
#define __ATTRIB_PRINTF
#define __ATTRIB_NORETURN
#ifndef INLINE
#define INLINE __inline
#endif
#endif /* End __GNUC__ */
#define PREPACK
#define POSTPACK __ATTRIB_PACK
/*
* Endianes macros
*/
#define A_BE2CPU8(x) ntohb(x)
#define A_BE2CPU16(x) ntohs(x)
#define A_BE2CPU32(x) ntohl(x)
#define A_LE2CPU8(x) (x)
#define A_LE2CPU16(x) (x)
#define A_LE2CPU32(x) (x)
#define A_CPU2BE8(x) htonb(x)
#define A_CPU2BE16(x) htons(x)
#define A_CPU2BE32(x) htonl(x)
#define A_MEMCPY(dst, src, len) memcpy((A_UINT8 *)(dst), (src), (len))
#define A_MEMZERO(addr, len) memset(addr, 0, len)
#define A_MEMCMP(addr1, addr2, len) memcmp((addr1), (addr2), (len))
#define A_MALLOC(size) kmalloc((size), GFP_KERNEL)
#define A_MALLOC_NOWAIT(size) kmalloc((size), GFP_ATOMIC)
#define A_FREE(addr) kfree(addr)
#define A_PRINTF(args...) printk(args)
/* Mutual Exclusion */
typedef spinlock_t A_MUTEX_T;
#define A_MUTEX_INIT(mutex) spin_lock_init(mutex)
#define A_MUTEX_LOCK(mutex) spin_lock_bh(mutex)
#define A_MUTEX_UNLOCK(mutex) spin_unlock_bh(mutex)
#define A_IS_MUTEX_VALID(mutex) TRUE /* okay to return true, since A_MUTEX_DELETE does nothing */
#define A_MUTEX_DELETE(mutex) /* spin locks are not kernel resources so nothing to free.. */
/* Get current time in ms adding a constant offset (in ms) */
#define A_GET_MS(offset) \
(jiffies + ((offset) / 1000) * HZ)
/*
* Timer Functions
*/
#define A_MDELAY(msecs) mdelay(msecs)
typedef struct timer_list A_TIMER;
#define A_INIT_TIMER(pTimer, pFunction, pArg) do { \
init_timer(pTimer); \
(pTimer)->function = (pFunction); \
(pTimer)->data = (unsigned long)(pArg); \
} while (0)
/*
* Start a Timer that elapses after 'periodMSec' milli-seconds
* Support is provided for a one-shot timer. The 'repeatFlag' is
* ignored.
*/
#define A_TIMEOUT_MS(pTimer, periodMSec, repeatFlag) do { \
if (repeatFlag) { \
printk("\n" __FILE__ ":%d: Timer Repeat requested\n",__LINE__); \
panic("Timer Repeat"); \
} \
mod_timer((pTimer), jiffies + HZ * (periodMSec) / 1000); \
} while (0)
/*
* Cancel the Timer.
*/
#define A_UNTIMEOUT(pTimer) do { \
del_timer((pTimer)); \
} while (0)
#define A_DELETE_TIMER(pTimer) do { \
} while (0)
/*
* Wait Queue related functions
*/
typedef wait_queue_head_t A_WAITQUEUE_HEAD;
#define A_INIT_WAITQUEUE_HEAD(head) init_waitqueue_head(head)
#ifndef wait_event_interruptible_timeout
#define __wait_event_interruptible_timeout(wq, condition, ret) \
do { \
wait_queue_t __wait; \
init_waitqueue_entry(&__wait, current); \
\
add_wait_queue(&wq, &__wait); \
for (;;) { \
set_current_state(TASK_INTERRUPTIBLE); \
if (condition) \
break; \
if (!signal_pending(current)) { \
ret = schedule_timeout(ret); \
if (!ret) \
break; \
continue; \
} \
ret = -ERESTARTSYS; \
break; \
} \
current->state = TASK_RUNNING; \
remove_wait_queue(&wq, &__wait); \
} while (0)
#define wait_event_interruptible_timeout(wq, condition, timeout) \
({ \
long __ret = timeout; \
if (!(condition)) \
__wait_event_interruptible_timeout(wq, condition, __ret); \
__ret; \
})
#endif /* wait_event_interruptible_timeout */
#define A_WAIT_EVENT_INTERRUPTIBLE_TIMEOUT(head, condition, timeout) do { \
wait_event_interruptible_timeout(head, condition, timeout); \
} while (0)
#define A_WAKE_UP(head) wake_up(head)
#ifdef DEBUG
#define A_ASSERT(expr) \
if (!(expr)) { \
printk(KERN_ALERT "\n" __FILE__ ":%d: Assertion " #expr " failed!\n",__LINE__); \
panic(#expr); \
}
#else
#define A_ASSERT(expr)
#endif /* DEBUG */
/*
* Initialization of the network buffer subsystem
*/
#define A_NETBUF_INIT()
/*
* Network buffer queue support
*/
typedef struct sk_buff_head A_NETBUF_QUEUE_T;
#define A_NETBUF_QUEUE_INIT(q) \
a_netbuf_queue_init(q)
#define A_NETBUF_ENQUEUE(q, pkt) \
a_netbuf_enqueue((q), (pkt))
#define A_NETBUF_PREQUEUE(q, pkt) \
a_netbuf_prequeue((q), (pkt))
#define A_NETBUF_DEQUEUE(q) \
(a_netbuf_dequeue(q))
#define A_NETBUF_QUEUE_SIZE(q) \
a_netbuf_queue_size(q)
#define A_NETBUF_QUEUE_EMPTY(q) \
a_netbuf_queue_empty(q)
/*
* Network buffer support
*/
#define A_NETBUF_ALLOC(size) \
a_netbuf_alloc(size)
#define A_NETBUF_ALLOC_RAW(size) \
a_netbuf_alloc_raw(size)
#define A_NETBUF_FREE(bufPtr) \
a_netbuf_free(bufPtr)
#define A_NETBUF_DATA(bufPtr) \
a_netbuf_to_data(bufPtr)
#define A_NETBUF_LEN(bufPtr) \
a_netbuf_to_len(bufPtr)
#define A_NETBUF_PUSH(bufPtr, len) \
a_netbuf_push(bufPtr, len)
#define A_NETBUF_PUT(bufPtr, len) \
a_netbuf_put(bufPtr, len)
#define A_NETBUF_TRIM(bufPtr,len) \
a_netbuf_trim(bufPtr, len)
#define A_NETBUF_PULL(bufPtr, len) \
a_netbuf_pull(bufPtr, len)
#define A_NETBUF_HEADROOM(bufPtr)\
a_netbuf_headroom(bufPtr)
#define A_NETBUF_SETLEN(bufPtr,len) \
a_netbuf_setlen(bufPtr, len)
/* Add data to end of a buffer */
#define A_NETBUF_PUT_DATA(bufPtr, srcPtr, len) \
a_netbuf_put_data(bufPtr, srcPtr, len)
/* Add data to start of the buffer */
#define A_NETBUF_PUSH_DATA(bufPtr, srcPtr, len) \
a_netbuf_push_data(bufPtr, srcPtr, len)
/* Remove data at start of the buffer */
#define A_NETBUF_PULL_DATA(bufPtr, dstPtr, len) \
a_netbuf_pull_data(bufPtr, dstPtr, len)
/* Remove data from the end of the buffer */
#define A_NETBUF_TRIM_DATA(bufPtr, dstPtr, len) \
a_netbuf_trim_data(bufPtr, dstPtr, len)
/* View data as "size" contiguous bytes of type "t" */
#define A_NETBUF_VIEW_DATA(bufPtr, t, size) \
(t )( ((struct skbuf *)(bufPtr))->data)
/* return the beginning of the headroom for the buffer */
#define A_NETBUF_HEAD(bufPtr) \
((((struct sk_buff *)(bufPtr))->head))
/*
* OS specific network buffer access routines
*/
void *a_netbuf_alloc(int size);
void *a_netbuf_alloc_raw(int size);
void a_netbuf_free(void *bufPtr);
void *a_netbuf_to_data(void *bufPtr);
A_UINT32 a_netbuf_to_len(void *bufPtr);
A_STATUS a_netbuf_push(void *bufPtr, A_INT32 len);
A_STATUS a_netbuf_push_data(void *bufPtr, char *srcPtr, A_INT32 len);
A_STATUS a_netbuf_put(void *bufPtr, A_INT32 len);
A_STATUS a_netbuf_put_data(void *bufPtr, char *srcPtr, A_INT32 len);
A_STATUS a_netbuf_pull(void *bufPtr, A_INT32 len);
A_STATUS a_netbuf_pull_data(void *bufPtr, char *dstPtr, A_INT32 len);
A_STATUS a_netbuf_trim(void *bufPtr, A_INT32 len);
A_STATUS a_netbuf_trim_data(void *bufPtr, char *dstPtr, A_INT32 len);
A_STATUS a_netbuf_setlen(void *bufPtr, A_INT32 len);
A_INT32 a_netbuf_headroom(void *bufPtr);
void a_netbuf_enqueue(A_NETBUF_QUEUE_T *q, void *pkt);
void a_netbuf_prequeue(A_NETBUF_QUEUE_T *q, void *pkt);
void *a_netbuf_dequeue(A_NETBUF_QUEUE_T *q);
int a_netbuf_queue_size(A_NETBUF_QUEUE_T *q);
int a_netbuf_queue_empty(A_NETBUF_QUEUE_T *q);
int a_netbuf_queue_empty(A_NETBUF_QUEUE_T *q);
void a_netbuf_queue_init(A_NETBUF_QUEUE_T *q);
/*
* Kernel v.s User space functions
*/
A_UINT32 a_copy_to_user(void *to, const void *from, A_UINT32 n);
A_UINT32 a_copy_from_user(void *to, const void *from, A_UINT32 n);
#else /* __KERNEL__ */
#ifdef __GNUC__
#define __ATTRIB_PACK __attribute__ ((packed))
#define __ATTRIB_PRINTF __attribute__ ((format (printf, 1, 2)))
#define __ATTRIB_NORETURN __attribute__ ((noreturn))
#ifndef INLINE
#define INLINE __inline__
#endif
#else /* Not GCC */
#define __ATTRIB_PACK
#define __ATTRIB_PRINTF
#define __ATTRIB_NORETURN
#ifndef INLINE
#define INLINE __inline
#endif
#endif /* End __GNUC__ */
#define PREPACK
#define POSTPACK __ATTRIB_PACK
#endif /* __KERNEL__ */
#endif /* _OSAPI_LINUX_H_ */
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