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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 __OVS_VXLAN_H_
#define __OVS_VXLAN_H_ 1
#include "OvsNetProto.h"
typedef struct _OVS_VXLAN_VPORT {
UINT32 dstPort;
UINT64 inPkts;
UINT64 outPkts;
UINT64 slowInPkts;
UINT64 slowOutPkts;
/*
* To be filled
*/
} OVS_VXLAN_VPORT, *POVS_VXLAN_VPORT;
/* VXLAN header. */
typedef struct VXLANHdr {
/* Flags. */
UINT32 flags1:2;
/* Packet needs replication to multicast group (used for multicast proxy). */
UINT32 locallyReplicate:1;
/* Instance ID flag, must be set to 1. */
UINT32 instanceID:1;
/* Flags. */
UINT32 flags2:4;
/* Reserved. */
UINT32 reserved1:24;
/* VXLAN ID. */
UINT32 vxlanID:24;
/* Reserved. */
UINT32 reserved2:8;
} VXLANHdr;
NTSTATUS OvsInitVxlanTunnel(POVS_VPORT_ENTRY vport,
POVS_VPORT_ADD_REQUEST addReq);
VOID OvsCleanupVxlanTunnel(POVS_VPORT_ENTRY vport);
NDIS_STATUS OvsSlowPathDecapVxlan(const PNET_BUFFER_LIST packet,
OvsIPv4TunnelKey *tunnelKey);
NDIS_STATUS OvsEncapVxlan(PNET_BUFFER_LIST curNbl,
OvsIPv4TunnelKey *tunKey,
POVS_SWITCH_CONTEXT switchContext,
VOID *completionList,
POVS_PACKET_HDR_INFO layers,
PNET_BUFFER_LIST *newNbl);
NDIS_STATUS OvsDoDecapVxlan(POVS_SWITCH_CONTEXT switchContext,
PNET_BUFFER_LIST curNbl,
OvsIPv4TunnelKey *tunKey,
PNET_BUFFER_LIST *newNbl);
static __inline UINT32
OvsGetVxlanTunHdrSize(VOID)
{
/* XXX: Can L2 include VLAN at all? */
return sizeof (EthHdr) + sizeof (IPHdr) + sizeof (UDPHdr) +
sizeof (VXLANHdr);
}
#define VXLAN_UDP_PORT 4789
#define VXLAN_UDP_PORT_NBO 0xB512
#endif /* __OVS_VXLAN_H_ */
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