1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2012 Chelsio Communications, Inc. 5 * 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 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 * 30 */ 31 32 #ifndef _NETINET_TCP_OFFLOAD_H_ 33 #define _NETINET_TCP_OFFLOAD_H_ 34 35 #ifndef _KERNEL 36 #error "no user-serviceable parts inside" 37 #endif 38 39 #include <netinet/tcp.h> 40 41 extern int registered_toedevs; 42 43 int tcp_offload_connect(struct socket *, struct sockaddr *); 44 void tcp_offload_listen_start(struct tcpcb *); 45 void tcp_offload_listen_stop(struct tcpcb *); 46 void tcp_offload_input(struct tcpcb *, struct mbuf *); 47 int tcp_offload_output(struct tcpcb *); 48 void tcp_offload_rcvd(struct tcpcb *); 49 void tcp_offload_ctloutput(struct tcpcb *, int, int); 50 void tcp_offload_tcp_info(struct tcpcb *, struct tcp_info *); 51 int tcp_offload_alloc_tls_session(struct tcpcb *, struct ktls_session *, int); 52 void tcp_offload_detach(struct tcpcb *); 53 void tcp_offload_pmtu_update(struct tcpcb *, tcp_seq, int); 54 55 #endif 56