/*
* --------------------------------------------------------------------------
* Appends a nested Netlink attribute of the given 'type', with the 'size'
* bytes of content starting at 'data', to 'msg'.
* Refer nl_msg_put_nested for more details.
* --------------------------------------------------------------------------
*/
VOID
NlMsgPutNested(PNL_BUFFER buf, UINT16 type,
const PVOID data, UINT32 size)
{
UINT32 offset = NlMsgStartNested(buf, type);
BOOLEAN ret = FALSE;
ASSERT(offset);
ret = NlMsgPutTail(buf, data, size);
ASSERT(ret);
NlMsgEndNested(buf, offset);
}
NDIS_STATUS
OvsCtMapTcpProtoInfoToNl(PNL_BUFFER nlBuf, OVS_CT_ENTRY *conn_)
{
struct conn_tcp *conn = OvsCastConntrackEntryToTcpEntry(conn_);
NDIS_STATUS status = NDIS_STATUS_SUCCESS;
UINT32 offset = 0;
offset = NlMsgStartNested(nlBuf, CTA_PROTOINFO_TCP);
if (!offset) {
return NDIS_STATUS_FAILURE;
}
if (!NlMsgPutTailU8(nlBuf, CTA_PROTOINFO_TCP_STATE,
conn->peer[0].state)) {
status = NDIS_STATUS_FAILURE;
goto done;
}
if (!NlMsgPutTailU8(nlBuf, CTA_PROTOINFO_TCP_WSCALE_ORIGINAL,
(conn->peer[0].wscale & CT_WSCALE_MASK))) {
status = NDIS_STATUS_FAILURE;
goto done;
}
if (!NlMsgPutTailU8(nlBuf, CTA_PROTOINFO_TCP_WSCALE_REPLY,
(conn->peer[1].wscale & CT_WSCALE_MASK))) {
status = NDIS_STATUS_FAILURE;
goto done;
}
if (!NlMsgPutTailU16(nlBuf, CTA_PROTOINFO_TCP_FLAGS_ORIGINAL,
OvsCtTcpPeerToProtoInfoFlags(&conn->peer[0]))) {
status = NDIS_STATUS_FAILURE;
goto done;
}
if (!NlMsgPutTailU16(nlBuf, CTA_PROTOINFO_TCP_FLAGS_REPLY,
OvsCtTcpPeerToProtoInfoFlags(&conn->peer[1]))) {
status = NDIS_STATUS_FAILURE;
goto done;
}
done:
NlMsgEndNested(nlBuf, offset);
return status;
}
