79 lines
2.2 KiB
C
79 lines
2.2 KiB
C
/* $OpenBSD: ip6_divert.h,v 1.23 2024/01/01 18:52:09 bluhm Exp $ */
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/*
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* Copyright (c) 2009 Michele Marchetto <michele@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef _IP6_DIVERT_H_
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#define _IP6_DIVERT_H_
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struct div6stat {
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u_long divs_ipackets; /* total input packets */
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u_long divs_noport; /* no socket on port */
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u_long divs_fullsock; /* not delivered, input socket full */
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u_long divs_opackets; /* total output packets */
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u_long divs_errors; /* generic errors */
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};
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/*
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* Names for divert sysctl objects
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*/
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#define DIVERT6CTL_RECVSPACE 1 /* receive buffer space */
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#define DIVERT6CTL_SENDSPACE 2 /* send buffer space */
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#define DIVERT6CTL_STATS 3 /* divert statistics */
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#define DIVERT6CTL_MAXID 4
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#define DIVERT6CTL_NAMES { \
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{ 0, 0 }, \
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{ "recvspace", CTLTYPE_INT }, \
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{ "sendspace", CTLTYPE_INT }, \
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{ "stats", CTLTYPE_STRUCT } \
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}
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#ifdef _KERNEL
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#include <sys/percpu.h>
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enum div6stat_counters {
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div6s_ipackets,
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div6s_noport,
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div6s_fullsock,
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div6s_opackets,
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div6s_errors,
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div6s_ncounters,
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};
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extern struct cpumem *div6counters;
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static inline void
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div6stat_inc(enum div6stat_counters c)
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{
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counters_inc(div6counters, c);
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}
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extern struct inpcbtable divb6table;
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extern const struct pr_usrreqs divert6_usrreqs;
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void divert6_init(void);
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void divert6_packet(struct mbuf *, int, u_int16_t);
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int divert6_sysctl(int *, u_int, void *, size_t *, void *, size_t);
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int divert6_attach(struct socket *, int, int);
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int divert6_send(struct socket *, struct mbuf *, struct mbuf *,
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struct mbuf *);
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#endif /* _KERNEL */
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#endif /* _IP6_DIVERT_H_ */
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