return wscale;
}
-static __inline uint32_t
-OvsGetTcpPayloadLength(PNET_BUFFER_LIST nbl)
-{
- IPHdr *ipHdr;
- char *ipBuf[sizeof(IPHdr)];
- PNET_BUFFER curNb;
- curNb = NET_BUFFER_LIST_FIRST_NB(nbl);
- ipHdr = NdisGetDataBuffer(curNb, sizeof *ipHdr, (PVOID) &ipBuf,
- 1 /*no align*/, 0);
- TCPHdr *tcp = (TCPHdr *)((PCHAR)ipHdr + ipHdr->ihl * 4);
- return (UINT16)ntohs(ipHdr->tot_len)
- - (ipHdr->ihl * 4)
- - (sizeof * tcp);
-}
-
static __inline struct conn_tcp*
OvsCastConntrackEntryToTcpEntry(OVS_CT_ENTRY* conn)
{
ctEntry->expiration = now + interval;
}
+static __inline UINT32
+OvsGetTcpPayloadLength(PNET_BUFFER_LIST nbl)
+{
+ IPHdr *ipHdr;
+ char *ipBuf[sizeof(IPHdr)];
+ PNET_BUFFER curNb;
+ curNb = NET_BUFFER_LIST_FIRST_NB(nbl);
+ UINT32 hdrLen = sizeof(EthHdr);
+ NdisAdvanceNetBufferDataStart(curNb, hdrLen, FALSE, NULL);
+ ipHdr = NdisGetDataBuffer(curNb, sizeof *ipHdr, (PVOID) &ipBuf,
+ 1 /*no align*/, 0);
+ if (ipHdr == NULL) {
+ NdisRetreatNetBufferDataStart(curNb, hdrLen, 0, NULL);
+ return 0;
+ }
+
+ TCPHdr *tcp = (TCPHdr *)((PCHAR)ipHdr + ipHdr->ihl * 4);
+ NdisRetreatNetBufferDataStart(curNb, hdrLen, 0, NULL);
+
+ return (ntohs(ipHdr->tot_len) - (ipHdr->ihl * 4) - (TCP_HDR_LEN(tcp)));
+}
+
VOID OvsCleanupConntrack(VOID);
NTSTATUS OvsInitConntrack(POVS_SWITCH_CONTEXT context);