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60 lines
2.5 KiB
C
60 lines
2.5 KiB
C
/*-
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* Copyright (c) 2010-2011 Juniper Networks, Inc.
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* All rights reserved.
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*
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* This software was developed by Robert N. M. Watson under contract
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* to Juniper Networks, Inc.
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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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*
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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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#ifndef _NETINET6_IN6_RSS_H_
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#define _NETINET6_IN6_RSS_H_
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#include <netinet/in.h> /* in_addr_t */
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/*
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* Network stack interface to generate a hash for a protocol tuple.
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*/
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uint32_t rss_hash_ip6_4tuple(const struct in6_addr *src, u_short srcport,
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const struct in6_addr *dst, u_short dstport);
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uint32_t rss_hash_ip6_2tuple(const struct in6_addr *src,
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const struct in6_addr *dst);
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/*
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* Functions to calculate a software RSS hash for a given mbuf or
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* packet detail.
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*/
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int rss_mbuf_software_hash_v6(const struct mbuf *m, int dir,
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uint32_t *hashval, uint32_t *hashtype);
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int rss_proto_software_hash_v6(const struct in6_addr *src,
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const struct in6_addr *dst, u_short src_port,
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u_short dst_port, int proto, uint32_t *hashval,
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uint32_t *hashtype);
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struct mbuf * rss_soft_m2cpuid_v6(struct mbuf *m, uintptr_t source,
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u_int *cpuid);
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uint32_t xps_proto_software_hash_v6(const struct in6_addr *s,
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const struct in6_addr *d, u_short sp, u_short dp,
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int proto, uint32_t *hashtype);
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#endif /* !_NETINET6_IN6_RSS_H_ */
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