datapath-windows/ovsext/OvsPacketIO.h

   1 /*
   2  * Copyright (c) 2014 VMware, Inc.
   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
  17 #ifndef __OVS_PACKETIO_H_
  18 #define __OVS_PACKETIO_H_ 1
  19
  20 typedef union _OVS_PACKET_HDR_INFO OVS_PACKET_HDR_INFO;
  21
  22 /*
  23  * Data structures and utility functions to help manage a list of packets to be
  24  * completed (dropped).
  25  */
  26 typedef struct OvsCompletionList {
  27     PNET_BUFFER_LIST dropNbl;
  28     PNET_BUFFER_LIST *dropNblNext;
  29     POVS_SWITCH_CONTEXT switchContext;
  30     ULONG sendCompleteFlags;
  31 } OvsCompletionList;
  32
  33 VOID OvsInitCompletionList(OvsCompletionList *completionList,
  34                            POVS_SWITCH_CONTEXT switchContext,
  35                            ULONG sendCompleteFlags);
  36 VOID OvsAddPktCompletionList(OvsCompletionList *completionList,
  37                              BOOLEAN incoming,
  38                              NDIS_SWITCH_PORT_ID sourcePort,
  39                              PNET_BUFFER_LIST netBufferList,
  40                              UINT32 netBufferListCount,
  41                              PNDIS_STRING filterReason);
  42
  43
  44 /*
  45  * Functions related to packet processing.
  46  */
  47 VOID OvsSendNBLIngress(POVS_SWITCH_CONTEXT switchContext,
  48                        PNET_BUFFER_LIST netBufferLists,
  49                        ULONG sendFlags);
  50
  51 NDIS_STATUS OvsActionsExecute(POVS_SWITCH_CONTEXT switchContext,
  52                             OvsCompletionList *completionList,
  53                             PNET_BUFFER_LIST curNbl, UINT32 srcVportNo,
  54                             ULONG sendFlags, OvsFlowKey *key, UINT64 *hash,
  55                             OVS_PACKET_HDR_INFO *layers,
  56                             const PNL_ATTR actions, int actionsLen);
  57
  58 VOID OvsLookupFlowOutput(POVS_SWITCH_CONTEXT switchContext,
  59                          VOID *compList, PNET_BUFFER_LIST curNbl);
  60
  61 #endif /* __OVS_PACKETIO_H_ */