Home | History | Annotate | Line # | Download | only in netinet
in_offload.h revision 1.3.22.1 
      1  1.3.22.1  yamt /*	$NetBSD: in_offload.h,v 1.3.22.1 2006/12/10 07:19:10 yamt Exp $	*/
      2       1.1  yamt 
      3       1.1  yamt /*-
      4  1.3.22.1  yamt  * Copyright (c)2005, 2006 YAMAMOTO Takashi,
      5       1.1  yamt  * All rights reserved.
      6       1.1  yamt  *
      7       1.1  yamt  * Redistribution and use in source and binary forms, with or without
      8       1.1  yamt  * modification, are permitted provided that the following conditions
      9       1.1  yamt  * are met:
     10       1.1  yamt  * 1. Redistributions of source code must retain the above copyright
     11       1.1  yamt  *    notice, this list of conditions and the following disclaimer.
     12       1.1  yamt  * 2. Redistributions in binary form must reproduce the above copyright
     13       1.1  yamt  *    notice, this list of conditions and the following disclaimer in the
     14       1.1  yamt  *    documentation and/or other materials provided with the distribution.
     15       1.1  yamt  *
     16       1.1  yamt  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     17       1.1  yamt  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18       1.1  yamt  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     19       1.1  yamt  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     20       1.1  yamt  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     21       1.1  yamt  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     22       1.1  yamt  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23       1.1  yamt  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     24       1.1  yamt  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25       1.1  yamt  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26       1.1  yamt  * SUCH DAMAGE.
     27       1.1  yamt  */
     28       1.1  yamt 
     29       1.3  elad #ifndef _NETINET_IN_OFFLOAD_H_
     30       1.2  yamt #define	_NETINET_IN_OFFLOAD_H_
     31       1.2  yamt 
     32       1.1  yamt /*
     33       1.1  yamt  * subroutines to do software-only equivalent of h/w offloading.
     34       1.1  yamt  */
     35       1.1  yamt 
     36       1.2  yamt int tcp4_segment(struct mbuf *, int (*)(void *, struct mbuf *), void *);
     37  1.3.22.1  yamt int ip_tso_output(struct ifnet *, struct mbuf *, struct sockaddr *,
     38  1.3.22.1  yamt     struct rtentry *);
     39       1.2  yamt 
     40       1.2  yamt /*
     41       1.2  yamt  * offloading related sysctl variables.
     42       1.2  yamt  *
     43       1.2  yamt  * they are here because it violates protocol layering in unusual way.
     44       1.2  yamt  * ie. while they are TCP/UDP sysctls, they are used by IP layer.
     45       1.2  yamt  */
     46       1.1  yamt 
     47       1.2  yamt extern int tcp_do_loopback_cksum; /* do TCP checksum on loopback? */
     48       1.2  yamt extern int udp_do_loopback_cksum; /* do UDP checksum on loopback? */
     49       1.1  yamt 
     50       1.3  elad #endif /* !_NETINET_IN_OFFLOAD_H_ */
     51