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author | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2007-11-21 21:19:24 +0100 |
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committer | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2007-11-25 18:35:17 +0100 |
commit | 2439e4bfa111babf4bc07ba20efbf3e36036813e (patch) | |
tree | 21e94282acdc681bdde2ccc270bd401254124d00 /drivers/bcm570x_queue.h | |
parent | 352d259130b349fe9593b8dada641bd78a9659e5 (diff) | |
download | u-boot-imx-2439e4bfa111babf4bc07ba20efbf3e36036813e.zip u-boot-imx-2439e4bfa111babf4bc07ba20efbf3e36036813e.tar.gz u-boot-imx-2439e4bfa111babf4bc07ba20efbf3e36036813e.tar.bz2 |
drivers/net : move net drivers to drivers/net
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Diffstat (limited to 'drivers/bcm570x_queue.h')
-rw-r--r-- | drivers/bcm570x_queue.h | 387 |
1 files changed, 0 insertions, 387 deletions
diff --git a/drivers/bcm570x_queue.h b/drivers/bcm570x_queue.h deleted file mode 100644 index 336b3ca..0000000 --- a/drivers/bcm570x_queue.h +++ /dev/null @@ -1,387 +0,0 @@ - -/******************************************************************************/ -/* */ -/* Broadcom BCM5700 Linux Network Driver, Copyright (c) 2000 Broadcom */ -/* Corporation. */ -/* 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 as published by */ -/* the Free Software Foundation, located in the file LICENSE. */ -/* */ -/* Queue functions. */ -/* void QQ_InitQueue(PQQ_CONTAINER pQueue) */ -/* char QQ_Full(PQQ_CONTAINER pQueue) */ -/* char QQ_Empty(PQQ_CONTAINER pQueue) */ -/* unsigned int QQ_GetSize(PQQ_CONTAINER pQueue) */ -/* unsigned int QQ_GetEntryCnt(PQQ_CONTAINER pQueue) */ -/* char QQ_PushHead(PQQ_CONTAINER pQueue, PQQ_ENTRY pEntry) */ -/* char QQ_PushTail(PQQ_CONTAINER pQueue, PQQ_ENTRY pEntry) */ -/* PQQ_ENTRY QQ_PopHead(PQQ_CONTAINER pQueue) */ -/* PQQ_ENTRY QQ_PopTail(PQQ_CONTAINER pQueue) */ -/* PQQ_ENTRY QQ_GetHead(PQQ_CONTAINER pQueue, unsigned int Idx) */ -/* PQQ_ENTRY QQ_GetTail(PQQ_CONTAINER pQueue, unsigned int Idx) */ -/* */ -/* */ -/* History: */ -/* 02/25/00 Hav Khauv Initial version. */ -/******************************************************************************/ - -#ifndef BCM_QUEUE_H -#define BCM_QUEUE_H -#ifndef EMBEDDED -#define EMBEDDED 1 -#endif - -/******************************************************************************/ -/* Queue definitions. */ -/******************************************************************************/ - -/* Entry for queueing. */ -typedef void *PQQ_ENTRY; - -/* Linux Atomic Ops support */ -typedef struct { int counter; } atomic_t; - - -/* - * This combination of `inline' and `extern' has almost the effect of a - * macro. The way to use it is to put a function definition in a header - * file with these keywords, and put another copy of the definition - * (lacking `inline' and `extern') in a library file. The definition in - * the header file will cause most calls to the function to be inlined. - * If any uses of the function remain, they will refer to the single copy - * in the library. - */ -extern __inline void -atomic_set(atomic_t* entry, int val) -{ - entry->counter = val; -} -extern __inline int -atomic_read(atomic_t* entry) -{ - return entry->counter; -} -extern __inline void -atomic_inc(atomic_t* entry) -{ - if(entry) - entry->counter++; -} - -extern __inline void -atomic_dec(atomic_t* entry) -{ - if(entry) - entry->counter--; -} - -extern __inline void -atomic_sub(int a, atomic_t* entry) -{ - if(entry) - entry->counter -= a; -} -extern __inline void -atomic_add(int a, atomic_t* entry) -{ - if(entry) - entry->counter += a; -} - - -/* Queue header -- base type. */ -typedef struct { - unsigned int Head; - unsigned int Tail; - unsigned int Size; - atomic_t EntryCnt; - PQQ_ENTRY Array[1]; -} QQ_CONTAINER, *PQQ_CONTAINER; - - -/* Declare queue type macro. */ -#define DECLARE_QUEUE_TYPE(_QUEUE_TYPE, _QUEUE_SIZE) \ - \ - typedef struct { \ - QQ_CONTAINER Container; \ - PQQ_ENTRY EntryBuffer[_QUEUE_SIZE]; \ - } _QUEUE_TYPE, *P##_QUEUE_TYPE - - -/******************************************************************************/ -/* Compilation switches. */ -/******************************************************************************/ - -#if DBG -#undef QQ_NO_OVERFLOW_CHECK -#undef QQ_NO_UNDERFLOW_CHECK -#endif /* DBG */ - -#ifdef QQ_USE_MACROS -/* notdone */ -#else - -#ifdef QQ_NO_INLINE -#define __inline -#endif /* QQ_NO_INLINE */ - -/******************************************************************************/ -/* Description: */ -/* */ -/* Return: */ -/******************************************************************************/ -extern __inline void -QQ_InitQueue( -PQQ_CONTAINER pQueue, -unsigned int QueueSize) { - pQueue->Head = 0; - pQueue->Tail = 0; - pQueue->Size = QueueSize+1; - atomic_set(&pQueue->EntryCnt, 0); -} /* QQ_InitQueue */ - - -/******************************************************************************/ -/* Description: */ -/* */ -/* Return: */ -/******************************************************************************/ -extern __inline char -QQ_Full( -PQQ_CONTAINER pQueue) { - unsigned int NewHead; - - NewHead = (pQueue->Head + 1) % pQueue->Size; - - return(NewHead == pQueue->Tail); -} /* QQ_Full */ - - -/******************************************************************************/ -/* Description: */ -/* */ -/* Return: */ -/******************************************************************************/ -extern __inline char -QQ_Empty( -PQQ_CONTAINER pQueue) { - return(pQueue->Head == pQueue->Tail); -} /* QQ_Empty */ - - -/******************************************************************************/ -/* Description: */ -/* */ -/* Return: */ -/******************************************************************************/ -extern __inline unsigned int -QQ_GetSize( -PQQ_CONTAINER pQueue) { - return pQueue->Size; -} /* QQ_GetSize */ - - -/******************************************************************************/ -/* Description: */ -/* */ -/* Return: */ -/******************************************************************************/ -extern __inline unsigned int -QQ_GetEntryCnt( -PQQ_CONTAINER pQueue) { - return atomic_read(&pQueue->EntryCnt); -} /* QQ_GetEntryCnt */ - - -/******************************************************************************/ -/* Description: */ -/* */ -/* Return: */ -/* TRUE entry was added successfully. */ -/* FALSE queue is full. */ -/******************************************************************************/ -extern __inline char -QQ_PushHead( -PQQ_CONTAINER pQueue, -PQQ_ENTRY pEntry) { - unsigned int Head; - - Head = (pQueue->Head + 1) % pQueue->Size; - -#if !defined(QQ_NO_OVERFLOW_CHECK) - if(Head == pQueue->Tail) { - return 0; - } /* if */ -#endif /* QQ_NO_OVERFLOW_CHECK */ - - pQueue->Array[pQueue->Head] = pEntry; - wmb(); - pQueue->Head = Head; - atomic_inc(&pQueue->EntryCnt); - - return -1; -} /* QQ_PushHead */ - - -/******************************************************************************/ -/* Description: */ -/* */ -/* Return: */ -/* TRUE entry was added successfully. */ -/* FALSE queue is full. */ -/******************************************************************************/ -extern __inline char -QQ_PushTail( -PQQ_CONTAINER pQueue, -PQQ_ENTRY pEntry) { - unsigned int Tail; - - Tail = pQueue->Tail; - if(Tail == 0) { - Tail = pQueue->Size; - } /* if */ - Tail--; - -#if !defined(QQ_NO_OVERFLOW_CHECK) - if(Tail == pQueue->Head) { - return 0; - } /* if */ -#endif /* QQ_NO_OVERFLOW_CHECK */ - - pQueue->Array[Tail] = pEntry; - wmb(); - pQueue->Tail = Tail; - atomic_inc(&pQueue->EntryCnt); - - return -1; -} /* QQ_PushTail */ - - -/******************************************************************************/ -/* Description: */ -/* */ -/* Return: */ -/******************************************************************************/ -extern __inline PQQ_ENTRY -QQ_PopHead( -PQQ_CONTAINER pQueue) { - unsigned int Head; - PQQ_ENTRY Entry; - - Head = pQueue->Head; - -#if !defined(QQ_NO_UNDERFLOW_CHECK) - if(Head == pQueue->Tail) { - return (PQQ_ENTRY) 0; - } /* if */ -#endif /* QQ_NO_UNDERFLOW_CHECK */ - - if(Head == 0) { - Head = pQueue->Size; - } /* if */ - Head--; - - Entry = pQueue->Array[Head]; -#ifdef EMBEDDED - membar(); -#else - mb(); -#endif - pQueue->Head = Head; - atomic_dec(&pQueue->EntryCnt); - - return Entry; -} /* QQ_PopHead */ - - -/******************************************************************************/ -/* Description: */ -/* */ -/* Return: */ -/******************************************************************************/ -extern __inline PQQ_ENTRY -QQ_PopTail( -PQQ_CONTAINER pQueue) { - unsigned int Tail; - PQQ_ENTRY Entry; - - Tail = pQueue->Tail; - -#if !defined(QQ_NO_UNDERFLOW_CHECK) - if(Tail == pQueue->Head) { - return (PQQ_ENTRY) 0; - } /* if */ -#endif /* QQ_NO_UNDERFLOW_CHECK */ - - Entry = pQueue->Array[Tail]; -#ifdef EMBEDDED - membar(); -#else - mb(); -#endif - pQueue->Tail = (Tail + 1) % pQueue->Size; - atomic_dec(&pQueue->EntryCnt); - - return Entry; -} /* QQ_PopTail */ - - -/******************************************************************************/ -/* Description: */ -/* */ -/* Return: */ -/******************************************************************************/ -extern __inline PQQ_ENTRY -QQ_GetHead( - PQQ_CONTAINER pQueue, - unsigned int Idx) -{ - if(Idx >= atomic_read(&pQueue->EntryCnt)) - { - return (PQQ_ENTRY) 0; - } - - if(pQueue->Head > Idx) - { - Idx = pQueue->Head - Idx; - } - else - { - Idx = pQueue->Size - (Idx - pQueue->Head); - } - Idx--; - - return pQueue->Array[Idx]; -} - - -/******************************************************************************/ -/* Description: */ -/* */ -/* Return: */ -/******************************************************************************/ -extern __inline PQQ_ENTRY -QQ_GetTail( - PQQ_CONTAINER pQueue, - unsigned int Idx) -{ - if(Idx >= atomic_read(&pQueue->EntryCnt)) - { - return (PQQ_ENTRY) 0; - } - - Idx += pQueue->Tail; - if(Idx >= pQueue->Size) - { - Idx = Idx - pQueue->Size; - } - - return pQueue->Array[Idx]; -} - -#endif /* QQ_USE_MACROS */ - - -#endif /* QUEUE_H */ |