*/
#include "precomp.h"
+#include "Atomic.h"
#include "NetProto.h"
#include "Switch.h"
#include "Vport.h"
vport->priv = (PVOID)vxlanPort;
if (!OvsIsTunnelFilterCreated(gOvsSwitchContext, udpDestPort)) {
- status = OvsTunelFilterCreate(irp,
- udpDestPort,
- &vxlanPort->filterID,
- callback,
- tunnelContext);
+ status = OvsTunnelFilterCreate(irp,
+ udpDestPort,
+ &vxlanPort->filterID,
+ callback,
+ tunnelContext);
} else {
status = STATUS_OBJECT_NAME_EXISTS;
}
vxlanPort = (POVS_VXLAN_VPORT)vport->priv;
if (vxlanPort->filterID != 0) {
- status = OvsTunelFilterDelete(irp,
- vxlanPort->filterID,
- callback,
- tunnelContext);
+ status = OvsTunnelFilterDelete(irp,
+ vxlanPort->filterID,
+ callback,
+ tunnelContext);
+ } else {
+ OvsFreeMemoryWithTag(vport->priv, OVS_VXLAN_POOL_TAG);
+ vport->priv = NULL;
}
- OvsFreeMemoryWithTag(vport->priv, OVS_VXLAN_POOL_TAG);
- vport->priv = NULL;
-
return status;
}
POVS_VXLAN_VPORT vportVxlan;
UINT32 headRoom = OvsGetVxlanTunHdrSize();
UINT32 packetLength;
+ ULONG mss = 0;
/*
* XXX: the assumption currently is that the NBL is owned by OVS, and
*/
curNb = NET_BUFFER_LIST_FIRST_NB(curNbl);
packetLength = NET_BUFFER_DATA_LENGTH(curNb);
+
if (layers->isTcp) {
NDIS_TCP_LARGE_SEND_OFFLOAD_NET_BUFFER_LIST_INFO tsoInfo;
tsoInfo.Value = NET_BUFFER_LIST_INFO(curNbl,
- TcpLargeSendNetBufferListInfo);
- OVS_LOG_TRACE("MSS %u packet len %u", tsoInfo.LsoV1Transmit.MSS, packetLength);
- if (tsoInfo.LsoV1Transmit.MSS) {
+ TcpLargeSendNetBufferListInfo);
+ switch (tsoInfo.Transmit.Type) {
+ case NDIS_TCP_LARGE_SEND_OFFLOAD_V1_TYPE:
+ mss = tsoInfo.LsoV1Transmit.MSS;
+ break;
+ case NDIS_TCP_LARGE_SEND_OFFLOAD_V2_TYPE:
+ mss = tsoInfo.LsoV2Transmit.MSS;
+ break;
+ default:
+ OVS_LOG_ERROR("Unknown LSO transmit type:%d",
+ tsoInfo.Transmit.Type);
+ }
+ OVS_LOG_TRACE("MSS %u packet len %u", mss,
+ packetLength);
+ if (mss) {
OVS_LOG_TRACE("l4Offset %d", layers->l4Offset);
*newNbl = OvsTcpSegmentNBL(switchContext, curNbl, layers,
- tsoInfo.LsoV1Transmit.MSS, headRoom);
+ mss, headRoom);
if (*newNbl == NULL) {
OVS_LOG_ERROR("Unable to segment NBL");
return NDIS_STATUS_FAILURE;
}
+ /* Clear out LSO flags after this point */
+ NET_BUFFER_LIST_INFO(*newNbl, TcpLargeSendNetBufferListInfo) = 0;
}
}
OVS_LOG_ERROR("Unable to copy NBL");
return NDIS_STATUS_FAILURE;
}
+ /*
+ * To this point we do not have VXLAN offloading.
+ * Apply defined checksums
+ */
+ curNb = NET_BUFFER_LIST_FIRST_NB(*newNbl);
+ curMdl = NET_BUFFER_CURRENT_MDL(curNb);
+ bufferStart = (PUINT8)MmGetSystemAddressForMdlSafe(curMdl, LowPagePriority);
+ if (!bufferStart) {
+ status = NDIS_STATUS_RESOURCES;
+ goto ret_error;
+ }
+
+ NDIS_TCP_IP_CHECKSUM_NET_BUFFER_LIST_INFO csumInfo;
+ csumInfo.Value = NET_BUFFER_LIST_INFO(curNbl,
+ TcpIpChecksumNetBufferListInfo);
+
+ bufferStart += NET_BUFFER_CURRENT_MDL_OFFSET(curNb);
+
+ if (layers->isIPv4) {
+ IPHdr *ip = (IPHdr *)(bufferStart + layers->l3Offset);
+
+ if (csumInfo.Transmit.IpHeaderChecksum) {
+ ip->check = 0;
+ ip->check = IPChecksum((UINT8 *)ip, 4 * ip->ihl, 0);
+ }
+
+ if (layers->isTcp && csumInfo.Transmit.TcpChecksum) {
+ UINT16 csumLength = (UINT16)(packetLength - layers->l4Offset);
+ TCPHdr *tcp = (TCPHdr *)(bufferStart + layers->l4Offset);
+ tcp->check = IPPseudoChecksum(&ip->saddr, &ip->daddr,
+ IPPROTO_TCP, csumLength);
+ tcp->check = CalculateChecksumNB(curNb, csumLength,
+ (UINT32)(layers->l4Offset));
+ } else if (layers->isUdp && csumInfo.Transmit.UdpChecksum) {
+ UINT16 csumLength = (UINT16)(packetLength - layers->l4Offset);
+ UDPHdr *udp = (UDPHdr *)((PCHAR)ip + sizeof *ip);
+ udp->check = IPPseudoChecksum(&ip->saddr, &ip->daddr,
+ IPPROTO_UDP, csumLength);
+ udp->check = CalculateChecksumNB(curNb, csumLength,
+ (UINT32)(layers->l4Offset));
+ }
+ } else if (layers->isIPv6) {
+ IPv6Hdr *ip = (IPv6Hdr *)(bufferStart + layers->l3Offset);
+
+ if (layers->isTcp && csumInfo.Transmit.TcpChecksum) {
+ UINT16 csumLength = (UINT16)(packetLength - layers->l4Offset);
+ TCPHdr *tcp = (TCPHdr *)(bufferStart + layers->l4Offset);
+ tcp->check = IPv6PseudoChecksum((UINT32 *) &ip->saddr,
+ (UINT32 *) &ip->daddr,
+ IPPROTO_TCP, csumLength);
+ tcp->check = CalculateChecksumNB(curNb, csumLength,
+ (UINT32)(layers->l4Offset));
+ } else if (layers->isUdp && csumInfo.Transmit.UdpChecksum) {
+ UINT16 csumLength = (UINT16)(packetLength - layers->l4Offset);
+ UDPHdr *udp = (UDPHdr *)((PCHAR)ip + sizeof *ip);
+ udp->check = IPv6PseudoChecksum((UINT32 *) &ip->saddr,
+ (UINT32 *) &ip->daddr,
+ IPPROTO_UDP, csumLength);
+ udp->check = CalculateChecksumNB(curNb, csumLength,
+ (UINT32)(layers->l4Offset));
+ }
+ }
+ /* Clear out TcpIpChecksumNetBufferListInfo flag */
+ NET_BUFFER_LIST_INFO(*newNbl, TcpIpChecksumNetBufferListInfo) = 0;
}
curNbl = *newNbl;
sizeof ethHdr->Destination + sizeof ethHdr->Source);
ethHdr->Type = htons(ETH_TYPE_IPV4);
- // XXX: question: there are fields in the OvsIPv4TunnelKey for ttl and such,
- // should we use those values instead? or will they end up being
- // uninitialized;
/* IP header */
ipHdr = (IPHdr *)((PCHAR)ethHdr + sizeof *ethHdr);
ipHdr->ihl = sizeof *ipHdr / 4;
- ipHdr->version = IPV4;
- ipHdr->tos = 0;
+ ipHdr->version = IPPROTO_IPV4;
+ ipHdr->tos = tunKey->tos;
ipHdr->tot_len = htons(NET_BUFFER_DATA_LENGTH(curNb) - sizeof *ethHdr);
- ipHdr->id = 0;
- ipHdr->frag_off = IP_DF_NBO;
+ ipHdr->id = (uint16)atomic_add64(&vportVxlan->ipId,
+ NET_BUFFER_DATA_LENGTH(curNb));
+ ipHdr->frag_off = (tunKey->flags & OVS_TNL_F_DONT_FRAGMENT) ?
+ IP_DF_NBO : 0;
ipHdr->ttl = tunKey->ttl ? tunKey->ttl : VXLAN_DEFAULT_TTL;
ipHdr->protocol = IPPROTO_UDP;
ASSERT(tunKey->dst == fwdInfo->dstIpAddr);
ASSERT(tunKey->src == fwdInfo->srcIpAddr || tunKey->src == 0);
ipHdr->saddr = fwdInfo->srcIpAddr;
ipHdr->daddr = fwdInfo->dstIpAddr;
+
ipHdr->check = 0;
ipHdr->check = IPChecksum((UINT8 *)ipHdr, sizeof *ipHdr, 0);
/* UDP header */
udpHdr = (UDPHdr *)((PCHAR)ipHdr + sizeof *ipHdr);
- udpHdr->source = htons(tunKey->flow_hash | 32768);
+ udpHdr->source = htons(tunKey->flow_hash | MAXINT16);
udpHdr->dest = htons(vportVxlan->dstPort);
udpHdr->len = htons(NET_BUFFER_DATA_LENGTH(curNb) - headRoom +
sizeof *udpHdr + sizeof *vxlanHdr);
PUINT8 bufferStart;
NDIS_STATUS status;
- /* Check the the length of the UDP payload */
+ /* Check the length of the UDP payload */
curNb = NET_BUFFER_LIST_FIRST_NB(curNbl);
packetLength = NET_BUFFER_DATA_LENGTH(curNb);
tunnelSize = OvsGetVxlanTunHdrSize();
projects / cascardo / ovs.git / blobdiff