The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/netinet/tcp_syncache.h

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    1 /*-
    2  * Copyright (c) 1982, 1986, 1993, 1994, 1995
    3  *      The Regents of the University of California.  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  * 4. Neither the name of the University nor the names of its contributors
   14  *    may be used to endorse or promote products derived from this software
   15  *    without specific prior written permission.
   16  *
   17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   27  * SUCH DAMAGE.
   28  *
   29  *      @(#)tcp_var.h   8.4 (Berkeley) 5/24/95
   30  * $FreeBSD$
   31  */
   32 
   33 #ifndef _NETINET_TCP_SYNCACHE_H_
   34 #define _NETINET_TCP_SYNCACHE_H_
   35 #ifdef _KERNEL
   36 
   37 void     syncache_init(void);
   38 void     syncache_unreach(struct in_conninfo *, struct tcphdr *);
   39 int      syncache_expand(struct in_conninfo *, struct tcpopt *,
   40              struct tcphdr *, struct socket **, struct mbuf *);
   41 void     syncache_add(struct in_conninfo *, struct tcpopt *,
   42              struct tcphdr *, struct inpcb *, struct socket **, struct mbuf *);
   43 int      tcp_offload_syncache_expand(struct in_conninfo *inc, struct tcpopt *to,
   44              struct tcphdr *th, struct socket **lsop, struct mbuf *m);
   45 void     tcp_offload_syncache_add(struct in_conninfo *, struct tcpopt *,
   46              struct tcphdr *, struct inpcb *, struct socket **,
   47              struct toe_usrreqs *tu, void *toepcb);
   48 
   49 void     syncache_chkrst(struct in_conninfo *, struct tcphdr *);
   50 void     syncache_badack(struct in_conninfo *);
   51 int      syncache_pcbcount(void);
   52 int      syncache_pcblist(struct sysctl_req *req, int max_pcbs, int *pcbs_exported);
   53 
   54 #endif /* _KERNEL */
   55 #endif /* _NETINET_TCP_SYNCACHE_H_ */

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