xref: /freebsd/sys/netinet/tcp_offload.h (revision 839f11a4fe18e4ae2dd930766b551fa67e354735)
1 /*-
2  * Copyright (c) 2012 Chelsio Communications, Inc.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD$
27  *
28  */
29 
30 #ifndef _NETINET_TCP_OFFLOAD_H_
31 #define	_NETINET_TCP_OFFLOAD_H_
32 
33 #ifndef _KERNEL
34 #error "no user-serviceable parts inside"
35 #endif
36 
37 extern int registered_toedevs;
38 
39 int  tcp_offload_connect(struct socket *, struct sockaddr *);
40 void tcp_offload_listen_start(struct tcpcb *);
41 void tcp_offload_listen_stop(struct tcpcb *);
42 void tcp_offload_input(struct tcpcb *, struct mbuf *);
43 int  tcp_offload_output(struct tcpcb *);
44 void tcp_offload_rcvd(struct tcpcb *);
45 void tcp_offload_ctloutput(struct tcpcb *, int, int);
46 void tcp_offload_detach(struct tcpcb *);
47 
48 #endif
49