1/* 2 * Copyright (c) 2012 Apple Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28 29#ifndef _NETINET_MPTCP_SEQ_H_ 30#define _NETINET_MPTCP_SEQ_H_ 31 32/* 33 * Use 64-bit modulo arithmetic for comparing 34 * Data Sequence Numbers and Data ACKs. Implies 35 * 2**63 space is available for sending data. 36 */ 37#define MPTCP_SEQ_LT(a, b) ((int64_t)((a) - (b)) < 0) 38#define MPTCP_SEQ_LEQ(a, b) ((int64_t)((a) - (b)) <= 0) 39#define MPTCP_SEQ_GT(a, b) ((int64_t)((a) - (b)) > 0) 40#define MPTCP_SEQ_GEQ(a, b) ((int64_t)((a) - (b)) >= 0) 41 42#endif /* _NETINET_MPTCP_SEQ_H_ */ 43