diff options
| -rw-r--r-- | datapath-windows/ovsext/Actions.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/datapath-windows/ovsext/Actions.c b/datapath-windows/ovsext/Actions.c index 4f4336984..e130c2f96 100644 --- a/datapath-windows/ovsext/Actions.c +++ b/datapath-windows/ovsext/Actions.c @@ -1550,9 +1550,21 @@ OvsUpdateAddressAndPort(OvsForwardingContext *ovsFwdCtx, if (tcpHdr) { portField = &tcpHdr->dest; checkField = &tcpHdr->check; + l4Offload = isTx ? (BOOLEAN)csumInfo.Transmit.TcpChecksum : + ((BOOLEAN)csumInfo.Receive.TcpChecksumSucceeded || + (BOOLEAN)csumInfo.Receive.TcpChecksumFailed); } else if (udpHdr) { portField = &udpHdr->dest; checkField = &udpHdr->check; + l4Offload = isTx ? (BOOLEAN)csumInfo.Transmit.UdpChecksum : + ((BOOLEAN)csumInfo.Receive.UdpChecksumSucceeded || + (BOOLEAN)csumInfo.Receive.UdpChecksumFailed); + } + + if (l4Offload) { + *checkField = IPPseudoChecksum(&ipHdr->saddr, &newAddr, + tcpHdr ? IPPROTO_TCP : IPPROTO_UDP, + ntohs(ipHdr->tot_len) - ipHdr->ihl * 4); } } |