+++ /dev/null
-/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
- *
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
- */
-/*
- * Copyright 1997 Massachusetts Institute of Technology
- *
- * Permission to use, copy, modify, and distribute this software and
- * its documentation for any purpose and without fee is hereby
- * granted, provided that both the above copyright notice and this
- * permission notice appear in all copies, that both the above
- * copyright notice and this permission notice appear in all
- * supporting documentation, and that the name of M.I.T. not be used
- * in advertising or publicity pertaining to distribution of the
- * software without specific, written prior permission. M.I.T. makes
- * no representations about the suitability of this software for any
- * purpose. It is provided "as is" without express or implied
- * warranty.
- *
- * THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''. M.I.T. DISCLAIMS
- * ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT
- * SHALL M.I.T. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- */
-
-#ifndef _NETINET_IN_HOSTCACHE_H
-#define _NETINET_IN_HOSTCACHE_H 1
-
-/*
- * This file defines the particular structures contained in the host cache
- * for the use of IP.
- */
-
-/*
- * An IP host cache entry. Note that we include the srtt/var here,
- * with the expectation that it might be used to keep a persistent,
- * cross-connection view of this statistic.
- */
-struct in_hcentry {
- struct hcentry inhc_hc;
- u_long inhc_pmtu;
- u_long inhc_recvpipe;
- u_long inhc_sendpipe;
- u_long inhc_pksent;
- u_long inhc_flags;
- u_long inhc_ssthresh;
- int inhc_srtt; /* VJ RTT estimator */
- int inhc_srttvar; /* VJ */
- u_int inhc_rttmin; /* VJ */
- int inhc_rxt; /* TCP retransmit timeout */
- u_long inhc_cc; /* deliberate type pun with tcp_cc */
- u_long inhc_ccsent; /* as above */
- u_short inhc_mssopt;
-};
-
-#define inhc_addr(inhc) ((struct sockaddr_in *)(inhc)->inhc_hc.hc_host)
-
-/* Flags for inhc_flags... */
-#define INHC_LOCAL 0x0001 /* this address is local */
-#define INHC_BROADCAST 0x0002 /* this address is broadcast */
-#define INHC_MULTICAST 0x0004 /* this address is multicast */
-#define INHC_REDUCEDMTU 0x0008 /* we reduced the mtu via PMTU discovery */
-
-#ifdef KERNEL
-/*
- * inhc_alloc can block while adding a new entry to the cache;
- * inhc_lookup will does not add new entries and so can be called
- * in non-process context.
- */
-struct in_hcentry *inhc_alloc(struct sockaddr_in *sin);
-int inhc_init(void);
-struct in_hcentry *inhc_lookup(struct sockaddr_in *sin);
-#define inhc_ref(inhc) (hc_ref(&(inhc)->inhc_hc))
-#define inhc_rele(inhc) (hc_rele(&(inhc)->inhc_hc))
-#endif /* KERNEL */
-
-#endif /* _NETINET_IN_HOSTCACHE_H */
projects / apple / xnu.git / blobdiff