187 lines
8.1 KiB
C
187 lines
8.1 KiB
C
/*
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* Copyright (c) 2008-2016 Apple Inc. All rights reserved.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. The rights granted to you under the License
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* may not be used to create, or enable the creation or redistribution of,
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* unlawful or unlicensed copies of an Apple operating system, or to
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* circumvent, violate, or enable the circumvention or violation of, any
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* terms of an Apple operating system software license agreement.
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*
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* Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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*/
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/*
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* Copyright (c) 1982, 1986, 1989, 1993
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* The Regents of the University of California. 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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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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* @(#)udp_var.h 8.1 (Berkeley) 6/10/93
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*/
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#ifndef _NETINET_UDP_VAR_H_
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#define _NETINET_UDP_VAR_H_
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#include <sys/appleapiopts.h>
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#include <sys/sysctl.h>
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#include <netinet/ip_var.h>
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#include <netinet/udp.h>
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/*
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* UDP kernel structures and variables.
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*/
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struct udpiphdr {
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struct ipovly ui_i; /* overlaid ip structure */
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struct udphdr ui_u; /* udp header */
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};
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#define ui_x1 ui_i.ih_x1
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#define ui_pr ui_i.ih_pr
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#define ui_len ui_i.ih_len
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#define ui_src ui_i.ih_src
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#define ui_dst ui_i.ih_dst
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#define ui_sport ui_u.uh_sport
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#define ui_dport ui_u.uh_dport
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#define ui_ulen ui_u.uh_ulen
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#define ui_sum ui_u.uh_sum
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#define ui_next ui_i.ih_next
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#define ui_prev ui_i.ih_prev
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struct udpstat {
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/* input statistics: */
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u_int32_t udps_ipackets; /* total input packets */
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u_int32_t udps_hdrops; /* packet shorter than header */
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u_int32_t udps_badsum; /* checksum error */
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u_int32_t udps_badlen; /* data length larger than packet */
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u_int32_t udps_noport; /* no socket on port */
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u_int32_t udps_noportbcast; /* of above, arrived as broadcast */
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u_int32_t udps_fullsock; /* not delivered, input socket full */
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u_int32_t udpps_pcbcachemiss; /* input packets missing pcb cache */
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u_int32_t udpps_pcbhashmiss; /* input packets not for hashed pcb */
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/* output statistics: */
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u_int32_t udps_opackets; /* total output packets */
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u_int32_t udps_fastout; /* output packets on fast path */
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u_int32_t udps_nosum; /* no checksum */
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u_int32_t udps_noportmcast; /* of no socket on port, multicast */
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u_int32_t udps_filtermcast; /* blocked by multicast filter */
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/* checksum statistics: */
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u_int32_t udps_rcv_swcsum; /* udp swcksum (inbound), packets */
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u_int32_t udps_rcv_swcsum_bytes; /* udp swcksum (inbound), bytes */
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u_int32_t udps_rcv6_swcsum; /* udp6 swcksum (inbound), packets */
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u_int32_t udps_rcv6_swcsum_bytes; /* udp6 swcksum (inbound), bytes */
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u_int32_t udps_snd_swcsum; /* udp swcksum (outbound), packets */
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u_int32_t udps_snd_swcsum_bytes; /* udp swcksum (outbound), bytes */
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u_int32_t udps_snd6_swcsum; /* udp6 swcksum (outbound), packets */
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u_int32_t udps_snd6_swcsum_bytes; /* udp6 swcksum (outbound), bytes */
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};
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/*
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* Names for UDP sysctl objects
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*/
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#define UDPCTL_CHECKSUM 1 /* checksum UDP packets */
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#define UDPCTL_STATS 2 /* statistics (read-only) */
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#define UDPCTL_MAXDGRAM 3 /* max datagram size */
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#define UDPCTL_RECVSPACE 4 /* default receive buffer space */
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#define UDPCTL_PCBLIST 5 /* list of PCBs for UDP sockets */
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#define UDPCTL_MAXID 6
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#ifdef BSD_KERNEL_PRIVATE
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#include <kern/locks.h>
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#include <sys/bitstring.h>
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#define UDPCTL_NAMES { \
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{ 0, 0 }, \
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{ "checksum", CTLTYPE_INT }, \
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{ "stats", CTLTYPE_STRUCT }, \
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{ "maxdgram", CTLTYPE_INT }, \
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{ "recvspace", CTLTYPE_INT }, \
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{ "pcblist", CTLTYPE_STRUCT }, \
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}
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#define udp6stat udpstat
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#define udp6s_opackets udps_opackets
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SYSCTL_DECL(_net_inet_udp);
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struct udpstat_local {
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u_int64_t port_unreach;
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u_int64_t faithprefix; /* deprecated */
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u_int64_t port0;
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u_int64_t badlength;
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u_int64_t badchksum;
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u_int64_t badmcast;
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u_int64_t cleanup;
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u_int64_t badipsec;
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};
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extern struct pr_usrreqs udp_usrreqs;
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extern struct inpcbhead udb;
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extern struct inpcbinfo udbinfo;
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extern u_int32_t udp_sendspace;
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extern u_int32_t udp_recvspace;
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extern struct udpstat udpstat;
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extern int udp_log_in_vain;
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__BEGIN_DECLS
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extern void udp_ctlinput(int, struct sockaddr *, void *, struct ifnet *);
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extern int udp_ctloutput(struct socket *, struct sockopt *);
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extern void udp_init(struct protosw *, struct domain *);
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extern void udp_input(struct mbuf *, int);
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extern int udp_connectx_common(struct socket *, int, struct sockaddr *,
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struct sockaddr *, struct proc *, uint32_t, sae_associd_t,
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sae_connid_t *, uint32_t, void *, uint32_t, struct uio*, user_ssize_t *);
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extern void udp_notify(struct inpcb *inp, int errno);
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extern int udp_shutdown(struct socket *so);
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extern int udp_lock(struct socket *, int, void *);
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extern int udp_unlock(struct socket *, int, void *);
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extern lck_mtx_t *udp_getlock(struct socket *, int);
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extern void udp_get_ports_used(ifnet_t ifp, int, u_int32_t, bitstr_t *);
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extern uint32_t udp_count_opportunistic(unsigned int, u_int32_t);
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extern uint32_t udp_find_anypcb_byaddr(struct ifaddr *);
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extern void udp_fill_keepalive_offload_frames(struct ifnet *,
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struct ifnet_keepalive_offload_frame *, u_int32_t, size_t, u_int32_t *);
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__END_DECLS
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#endif /* BSD_KERNEL_PRIVATE */
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#endif /* _NETINET_UDP_VAR_H_ */
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