projects / mirror_ovs.git / blame
| Commit | Line | Data |
|---|---|---|
| c803536e | 1 | /* |
| 7b383a56 | 2 | * Copyright (c) 2014, 2016 VMware, Inc. |
| c803536e SS |
3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
| 5 | * you may not use this file except in compliance with the License. | |
| 6 | * You may obtain a copy of the License at: | |
| 7 | * | |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 9 | * | |
| 10 | * Unless required by applicable law or agreed to in writing, software | |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, | |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 13 | * See the License for the specific language governing permissions and | |
| 14 | * limitations under the License. | |
| 15 | */ | |
| 16 | ||
| 7b383a56 AS |
17 | #ifndef __OFFLOAD_H_ |
| 18 | #define __OFFLOAD_H_ 1 | |
| c803536e SS |
19 | |
| 20 | typedef union _OVS_PACKET_HDR_INFO *POVS_PACKET_HDR_INFO; | |
| 21 | ||
| 22 | UINT16 CalculateChecksum(UINT8 *ptr, UINT16 length, UINT16 initial); | |
| 23 | UINT16 CopyAndCalculateChecksum(UINT8 *dst, UINT8 *src, UINT16 length, | |
| 24 | UINT16 initial); | |
| 25 | UINT16 IPChecksum(UINT8 *ipHdr, UINT16 length, UINT16 initial); | |
| 26 | UINT16 IPPseudoChecksum(UINT32 *src, UINT32 *dst, UINT8 protocol, | |
| 27 | UINT16 totalLength); | |
| 28 | UINT16 IPv6PseudoChecksum(UINT32 *src, UINT32 *dst, UINT8 protocol, | |
| 29 | UINT16 totalLength); | |
| 30 | UINT16 ChecksumUpdate32(UINT16 oldSum, UINT32 prev, UINT32 newValue); | |
| 31 | UINT16 ChecksumUpdate16(UINT16 oldSum, UINT16 prev, UINT16 newValue); | |
| 32 | UINT16 CalculateChecksumNB(const PNET_BUFFER nb, UINT16 csumDataLen, | |
| 33 | UINT32 offset); | |
| 34 | NDIS_STATUS OvsValidateIPChecksum(PNET_BUFFER_LIST curNbl, | |
| 35 | POVS_PACKET_HDR_INFO hdrInfo); | |
| 36 | NDIS_STATUS OvsValidateUDPChecksum(PNET_BUFFER_LIST curNbl, | |
| 37 | BOOLEAN udpCsumZero); | |
| 85165b3c YL |
38 | NDIS_STATUS OvsCalculateUDPChecksum(PNET_BUFFER_LIST curNbl, |
| 39 | PNET_BUFFER curNb, | |
| 40 | IPHdr *ipHdr, | |
| 41 | UDPHdr *udpHdr, | |
| 42 | UINT32 packetLength); | |
| 7b383a56 AS |
43 | |
| 44 | ULONG OVSGetTcpMSS(PNET_BUFFER_LIST nbl); | |
| 45 | ||
| 46 | NDIS_STATUS OvsApplySWChecksumOnNB(POVS_PACKET_HDR_INFO layers, | |
| 47 | PNET_BUFFER_LIST nbl, | |
| 48 | PNDIS_TCP_IP_CHECKSUM_NET_BUFFER_LIST_INFO | |
| 49 | csumInfo); | |
| 50 | ||
| 51 | #endif /* __OFFLOAD_H_ */ |