-/*
- * $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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