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/*
* Copyright (c) 2014 VMware, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __UTIL_H_
#define __UTIL_H_ 1
#define OVS_MEMORY_TAG 'TSVO'
#define OVS_FIX_SIZE_NBL_POOL_TAG 'FSVO'
#define OVS_VARIABLE_SIZE_NBL_POOL_TAG 'VSVO'
#define OVS_NBL_ONLY_POOL_TAG 'OSVO'
#define OVS_NET_BUFFER_POOL_TAG 'NSVO'
#define OVS_OTHER_POOL_TAG 'MSVO'
VOID *OvsAllocateMemory(size_t size);
VOID *OvsAllocateAlignedMemory(size_t size, UINT16 align);
VOID OvsFreeMemory(VOID *ptr);
VOID OvsFreeAlignedMemory(VOID *ptr);
#define LIST_FORALL(_headPtr, _itemPtr) \
for (_itemPtr = (_headPtr)->Flink; \
_itemPtr != _headPtr; \
_itemPtr = (_itemPtr)->Flink)
#define LIST_FORALL_SAFE(_headPtr, _itemPtr, _nextPtr) \
for (_itemPtr = (_headPtr)->Flink, _nextPtr = (_itemPtr)->Flink; \
_itemPtr != _headPtr; \
_itemPtr = _nextPtr, _nextPtr = (_itemPtr)->Flink)
#define LIST_FORALL_REVERSE(_headPtr, _itemPtr) \
for (_itemPtr = (_headPtr)->Blink; \
_itemPtr != _headPtr; \
_itemPtr = (_itemPtr)->Blink)
#define LIST_FORALL_REVERSE_SAFE(_headPtr, _itemPtr, _nextPtr) \
for (_itemPtr = (_headPtr)->Blink, _nextPtr = (_itemPtr)->Blink; \
_itemPtr != _headPtr; \
_itemPtr = _nextPtr, _nextPtr = (_itemPtr)->Blink)
VOID OvsAppendList(PLIST_ENTRY dst, PLIST_ENTRY src);
#define MIN(_a, _b) (_a) > (_b) ? (_b) : (_a)
#define ARRAY_SIZE(_x) ((sizeof(_x))/sizeof (_x)[0])
#define OVS_SWITCH_PORT_ID_INVALID (NDIS_SWITCH_PORT_ID)(-1)
#ifndef htons
#define htons(_x) _byteswap_ushort((USHORT)(_x))
#define ntohs(_x) _byteswap_ushort((USHORT)(_x))
#define htonl(_x) _byteswap_ulong((ULONG)(_x))
#define ntohl(_x) _byteswap_ulong((ULONG)(_x))
#endif
#define OVS_INIT_OBJECT_HEADER(_obj, _type, _revision, _size) \
{ \
PNDIS_OBJECT_HEADER hdrp = _obj; \
hdrp->Type = _type; \
hdrp->Revision = _revision; \
hdrp->Size = _size; \
}
#define BIT16(_x) ((UINT16)0x1 << (_x))
#define BIT32(_x) ((UINT32)0x1 << (_x))
BOOLEAN OvsCompareString(PVOID string1, PVOID string2);
#endif /* __UTIL_H_ */
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