1f7220c48SRichard Scheffenegger /*- 2f7220c48SRichard Scheffenegger * SPDX-License-Identifier: BSD-3-Clause 3f7220c48SRichard Scheffenegger * 4f7220c48SRichard Scheffenegger * Copyright (c) 1982, 1986, 1993, 1994, 1995 5f7220c48SRichard Scheffenegger * The Regents of the University of California. All rights reserved. 6f7220c48SRichard Scheffenegger * 7f7220c48SRichard Scheffenegger * Redistribution and use in source and binary forms, with or without 8f7220c48SRichard Scheffenegger * modification, are permitted provided that the following conditions 9f7220c48SRichard Scheffenegger * are met: 10f7220c48SRichard Scheffenegger * 1. Redistributions of source code must retain the above copyright 11f7220c48SRichard Scheffenegger * notice, this list of conditions and the following disclaimer. 12f7220c48SRichard Scheffenegger * 2. Redistributions in binary form must reproduce the above copyright 13f7220c48SRichard Scheffenegger * notice, this list of conditions and the following disclaimer in the 14f7220c48SRichard Scheffenegger * documentation and/or other materials provided with the distribution. 15f7220c48SRichard Scheffenegger * 3. Neither the name of the University nor the names of its contributors 16f7220c48SRichard Scheffenegger * may be used to endorse or promote products derived from this software 17f7220c48SRichard Scheffenegger * without specific prior written permission. 18f7220c48SRichard Scheffenegger * 19f7220c48SRichard Scheffenegger * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20f7220c48SRichard Scheffenegger * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21f7220c48SRichard Scheffenegger * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22f7220c48SRichard Scheffenegger * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23f7220c48SRichard Scheffenegger * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24f7220c48SRichard Scheffenegger * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25f7220c48SRichard Scheffenegger * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26f7220c48SRichard Scheffenegger * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27f7220c48SRichard Scheffenegger * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28f7220c48SRichard Scheffenegger * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29f7220c48SRichard Scheffenegger * SUCH DAMAGE. 30f7220c48SRichard Scheffenegger */ 31f7220c48SRichard Scheffenegger 32f7220c48SRichard Scheffenegger #ifndef _NETINET_TCP_ECN_H_ 33f7220c48SRichard Scheffenegger #define _NETINET_TCP_ECN_H_ 34f7220c48SRichard Scheffenegger 35f7220c48SRichard Scheffenegger #ifdef _KERNEL 36f7220c48SRichard Scheffenegger 37f7220c48SRichard Scheffenegger #include <netinet/tcp.h> 38f7220c48SRichard Scheffenegger #include <netinet/tcp_var.h> 39f7220c48SRichard Scheffenegger #include <netinet/tcp_syncache.h> 40f7220c48SRichard Scheffenegger 41fc262fd3SRichard Scheffenegger #define TH_ACE_SHIFT 6 42fc262fd3SRichard Scheffenegger 43f7220c48SRichard Scheffenegger void tcp_ecn_input_syn_sent(struct tcpcb *, uint16_t, int); 44f7220c48SRichard Scheffenegger void tcp_ecn_input_parallel_syn(struct tcpcb *, uint16_t, int); 45b1258b76SRichard Scheffenegger int tcp_ecn_input_segment(struct tcpcb *, uint16_t, int, int, int); 46f7220c48SRichard Scheffenegger uint16_t tcp_ecn_output_syn_sent(struct tcpcb *); 472ff07d92SRichard Scheffenegger int tcp_ecn_output_established(struct tcpcb *, uint16_t *, int, bool); 48f7220c48SRichard Scheffenegger void tcp_ecn_syncache_socket(struct tcpcb *, struct syncache *); 49f7220c48SRichard Scheffenegger int tcp_ecn_syncache_add(uint16_t, int); 50f7220c48SRichard Scheffenegger uint16_t tcp_ecn_syncache_respond(uint16_t, struct syncache *); 51f7220c48SRichard Scheffenegger 52f7220c48SRichard Scheffenegger #endif /* _KERNEL */ 53f7220c48SRichard Scheffenegger 54f7220c48SRichard Scheffenegger #endif /* _NETINET_TCP_ECN_H_ */ 55