1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1982, 1986, 1993, 1994, 1995 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #ifndef _NETINET_TCP_ECN_H_ 33 #define _NETINET_TCP_ECN_H_ 34 35 #ifdef _KERNEL 36 37 #include <netinet/tcp.h> 38 #include <netinet/tcp_var.h> 39 #include <netinet/tcp_syncache.h> 40 41 void tcp_ecn_input_syn_sent(struct tcpcb *, uint16_t, int); 42 void tcp_ecn_input_parallel_syn(struct tcpcb *, uint16_t, int); 43 int tcp_ecn_input_segment(struct tcpcb *, uint16_t, int, int, int); 44 uint16_t tcp_ecn_output_syn_sent(struct tcpcb *); 45 int tcp_ecn_output_established(struct tcpcb *, uint16_t *, int, bool); 46 void tcp_ecn_syncache_socket(struct tcpcb *, struct syncache *); 47 int tcp_ecn_syncache_add(uint16_t, int); 48 uint16_t tcp_ecn_syncache_respond(uint16_t, struct syncache *); 49 int tcp_ecn_get_ace(uint16_t); 50 51 #endif /* _KERNEL */ 52 53 #endif /* _NETINET_TCP_ECN_H_ */ 54