78a6b08618
Mainly focus on files that use BSD 2-Clause license, however the tool I was using misidentified many licenses so this was mostly a manual - error prone - task. The Software Package Data Exchange (SPDX) group provides a specification to make it easier for automated tools to detect and summarize well known opensource licenses. We are gradually adopting the specification, noting that the tags are considered only advisory and do not, in any way, superceed or replace the license texts. No functional change intended.
85 lines
2.9 KiB
C
85 lines
2.9 KiB
C
/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 2002 Andre Oppermann, Internet Business Solutions AG
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/*
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* Many thanks to jlemon for basic structure of tcp_syncache which is being
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* followed here.
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*/
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#ifndef _NETINET_TCP_HOSTCACHE_H_
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#define _NETINET_TCP_HOSTCACHE_H_
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TAILQ_HEAD(hc_qhead, hc_metrics);
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struct hc_head {
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struct hc_qhead hch_bucket;
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u_int hch_length;
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struct mtx hch_mtx;
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};
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struct hc_metrics {
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/* housekeeping */
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TAILQ_ENTRY(hc_metrics) rmx_q;
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struct hc_head *rmx_head; /* head of bucket tail queue */
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struct in_addr ip4; /* IP address */
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struct in6_addr ip6; /* IP6 address */
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uint32_t ip6_zoneid; /* IPv6 scope zone id */
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/* endpoint specific values for tcp */
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uint32_t rmx_mtu; /* MTU for this path */
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uint32_t rmx_ssthresh; /* outbound gateway buffer limit */
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uint32_t rmx_rtt; /* estimated round trip time */
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uint32_t rmx_rttvar; /* estimated rtt variance */
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uint32_t rmx_cwnd; /* congestion window */
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uint32_t rmx_sendpipe; /* outbound delay-bandwidth product */
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uint32_t rmx_recvpipe; /* inbound delay-bandwidth product */
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/* TCP hostcache internal data */
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int rmx_expire; /* lifetime for object */
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u_long rmx_hits; /* number of hits */
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u_long rmx_updates; /* number of updates */
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};
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struct tcp_hostcache {
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struct hc_head *hashbase;
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uma_zone_t zone;
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u_int hashsize;
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u_int hashmask;
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u_int bucket_limit;
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u_int cache_count;
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u_int cache_limit;
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int expire;
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int prune;
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int purgeall;
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};
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#endif /* !_NETINET_TCP_HOSTCACHE_H_*/
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