diff options
Diffstat (limited to 'drivers/net/npe/include/IxEthDBLocks_p.h')
-rw-r--r-- | drivers/net/npe/include/IxEthDBLocks_p.h | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/drivers/net/npe/include/IxEthDBLocks_p.h b/drivers/net/npe/include/IxEthDBLocks_p.h deleted file mode 100644 index 91ab441..0000000 --- a/drivers/net/npe/include/IxEthDBLocks_p.h +++ /dev/null @@ -1,98 +0,0 @@ -/** - * @file IxEthAccDBLocks_p.h - * - * @brief Definition of transaction lock stacks and lock utility macros - * - * @par - * IXP400 SW Release version 2.0 - * - * -- Copyright Notice -- - * - * @par - * Copyright 2001-2005, Intel Corporation. - * All rights reserved. - * - * @par - * SPDX-License-Identifier: BSD-3-Clause - * @par - * -- End of Copyright Notice -- - */ - -#ifndef IxEthAccDBLocks_p_H -#define IxEthAccDBLocks_p_H - -#include "IxOsPrintf.h" - -/* Lock and lock stacks */ -typedef struct -{ - IxOsalFastMutex* locks[MAX_LOCKS]; - UINT32 stackPointer, basePointer; -} LockStack; - -#define TRY_LOCK(mutex) \ - { \ - if (ixOsalFastMutexTryLock(mutex) != IX_SUCCESS) \ - { \ - return IX_ETH_DB_BUSY; \ - } \ - } - - -#define UNLOCK(mutex) { ixOsalFastMutexUnlock(mutex); } - -#define INIT_STACK(stack) \ - { \ - (stack)->basePointer = 0; \ - (stack)->stackPointer = 0; \ - } - -#define PUSH_LOCK(stack, lock) \ - { \ - if ((stack)->stackPointer == MAX_LOCKS) \ - { \ - ERROR_LOG("Ethernet DB: maximum number of elements in a lock stack has been exceeded on push, heavy chaining?\n"); \ - UNROLL_STACK(stack); \ - \ - return IX_ETH_DB_NOMEM; \ - } \ - \ - if (ixOsalFastMutexTryLock(lock) == IX_SUCCESS) \ - { \ - (stack)->locks[(stack)->stackPointer++] = (lock); \ - } \ - else \ - { \ - UNROLL_STACK(stack); \ - \ - return IX_ETH_DB_BUSY; \ - } \ - } - -#define POP_LOCK(stack) \ - { \ - ixOsalFastMutexUnlock((stack)->locks[--(stack)->stackPointer]); \ - } - -#define UNROLL_STACK(stack) \ - { \ - while ((stack)->stackPointer > (stack)->basePointer) \ - { \ - POP_LOCK(stack); \ - } \ - } - -#define SHIFT_STACK(stack) \ - { \ - if ((stack)->basePointer == MAX_LOCKS - 1) \ - { \ - ERROR_LOG("Ethernet DB: maximum number of elements in a lock stack has been exceeded on shift, heavy chaining?\n"); \ - UNROLL_STACK(stack); \ - \ - return IX_ETH_DB_BUSY; \ - } \ - \ - ixOsalFastMutexUnlock((stack)->locks[(stack)->basePointer++]); \ - } - -#endif /* IxEthAccDBLocks_p_H */ |