| | 1 | /* |
| | 2 | * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. |
| | 3 | * |
| | 4 | * @APPLE_LICENSE_OSREFERENCE_HEADER_START@ |
| | 5 | * |
| | 6 | * This file contains Original Code and/or Modifications of Original Code |
| | 7 | * as defined in and that are subject to the Apple Public Source License |
| | 8 | * Version 2.0 (the 'License'). You may not use this file except in |
| | 9 | * compliance with the License. The rights granted to you under the |
| | 10 | * License may not be used to create, or enable the creation or |
| | 11 | * redistribution of, unlawful or unlicensed copies of an Apple operating |
| | 12 | * system, or to circumvent, violate, or enable the circumvention or |
| | 13 | * violation of, any terms of an Apple operating system software license |
| | 14 | * agreement. |
| | 15 | * |
| | 16 | * Please obtain a copy of the License at |
| | 17 | * http://www.opensource.apple.com/apsl/ and read it before using this |
| | 18 | * file. |
| | 19 | * |
| | 20 | * The Original Code and all software distributed under the License are |
| | 21 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
| | 22 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| | 23 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
| | 24 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
| | 25 | * Please see the License for the specific language governing rights and |
| | 26 | * limitations under the License. |
| | 27 | * |
| | 28 | * @APPLE_LICENSE_OSREFERENCE_HEADER_END@ |
| | 29 | */ |
| | 30 | /* |
| | 31 | * Copyright (c) 1982, 1986, 1989, 1993 |
| | 32 | * The Regents of the University of California. All rights reserved. |
| | 33 | * |
| | 34 | * Redistribution and use in source and binary forms, with or without |
| | 35 | * modification, are permitted provided that the following conditions |
| | 36 | * are met: |
| | 37 | * 1. Redistributions of source code must retain the above copyright |
| | 38 | * notice, this list of conditions and the following disclaimer. |
| | 39 | * 2. Redistributions in binary form must reproduce the above copyright |
| | 40 | * notice, this list of conditions and the following disclaimer in the |
| | 41 | * documentation and/or other materials provided with the distribution. |
| | 42 | * 3. All advertising materials mentioning features or use of this software |
| | 43 | * must display the following acknowledgement: |
| | 44 | * This product includes software developed by the University of |
| | 45 | * California, Berkeley and its contributors. |
| | 46 | * 4. Neither the name of the University nor the names of its contributors |
| | 47 | * may be used to endorse or promote products derived from this software |
| | 48 | * without specific prior written permission. |
| | 49 | * |
| | 50 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| | 51 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| | 52 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| | 53 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| | 54 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| | 55 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| | 56 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| | 57 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| | 58 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| | 59 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| | 60 | * SUCH DAMAGE. |
| | 61 | * |
| | 62 | * @(#)udp_var.h 8.1 (Berkeley) 6/10/93 |
| | 63 | */ |
| | 64 | |
| | 65 | #ifndef _NETINET_UDP_VAR_H_ |
| | 66 | #define _NETINET_UDP_VAR_H_ |
| | 67 | #include <sys/appleapiopts.h> |
| | 68 | |
| | 69 | #include <sys/sysctl.h> |
| | 70 | |
| | 71 | /* |
| | 72 | * UDP kernel structures and variables. |
| | 73 | */ |
| | 74 | struct udpiphdr { |
| | 75 | struct ipovly ui_i; /* overlaid ip structure */ |
| | 76 | struct udphdr ui_u; /* udp header */ |
| | 77 | }; |
| | 78 | #define ui_x1 ui_i.ih_x1 |
| | 79 | #define ui_pr ui_i.ih_pr |
| | 80 | #define ui_len ui_i.ih_len |
| | 81 | #define ui_src ui_i.ih_src |
| | 82 | #define ui_dst ui_i.ih_dst |
| | 83 | #define ui_sport ui_u.uh_sport |
| | 84 | #define ui_dport ui_u.uh_dport |
| | 85 | #define ui_ulen ui_u.uh_ulen |
| | 86 | #define ui_sum ui_u.uh_sum |
| | 87 | #define ui_next ui_i.ih_next |
| | 88 | #define ui_prev ui_i.ih_prev |
| | 89 | |
| | 90 | struct udpstat { |
| | 91 | /* input statistics: */ |
| | 92 | u_long udps_ipackets; /* total input packets */ |
| | 93 | u_long udps_hdrops; /* packet shorter than header */ |
| | 94 | u_long udps_badsum; /* checksum error */ |
| | 95 | u_long udps_badlen; /* data length larger than packet */ |
| | 96 | u_long udps_noport; /* no socket on port */ |
| | 97 | u_long udps_noportbcast; /* of above, arrived as broadcast */ |
| | 98 | u_long udps_fullsock; /* not delivered, input socket full */ |
| | 99 | u_long udpps_pcbcachemiss; /* input packets missing pcb cache */ |
| | 100 | u_long udpps_pcbhashmiss; /* input packets not for hashed pcb */ |
| | 101 | /* output statistics: */ |
| | 102 | u_long udps_opackets; /* total output packets */ |
| | 103 | u_long udps_fastout; /* output packets on fast path */ |
| | 104 | #ifndef __APPLE__ |
| | 105 | u_long udps_nosum; /* no checksum */ |
| | 106 | /* of no socket on port, arrived as multicast */ |
| | 107 | u_long udps_noportmcast; |
| | 108 | #endif |
| | 109 | }; |
| | 110 | |
| | 111 | /* |
| | 112 | * Names for UDP sysctl objects |
| | 113 | */ |
| | 114 | #define UDPCTL_CHECKSUM 1 /* checksum UDP packets */ |
| | 115 | #define UDPCTL_STATS 2 /* statistics (read-only) */ |
| | 116 | #define UDPCTL_MAXDGRAM 3 /* max datagram size */ |
| | 117 | #define UDPCTL_RECVSPACE 4 /* default receive buffer space */ |
| | 118 | #define UDPCTL_PCBLIST 5 /* list of PCBs for UDP sockets */ |
| | 119 | #define UDPCTL_MAXID 6 |
| | 120 | |
| | 121 | #ifdef KERNEL_PRIVATE |
| | 122 | #define UDPCTL_NAMES { \ |
| | 123 | { 0, 0 }, \ |
| | 124 | { "checksum", CTLTYPE_INT }, \ |
| | 125 | { "stats", CTLTYPE_STRUCT }, \ |
| | 126 | { "maxdgram", CTLTYPE_INT }, \ |
| | 127 | { "recvspace", CTLTYPE_INT }, \ |
| | 128 | { "pcblist", CTLTYPE_STRUCT }, \ |
| | 129 | } |
| | 130 | |
| | 131 | SYSCTL_DECL(_net_inet_udp); |
| | 132 | |
| | 133 | extern struct pr_usrreqs udp_usrreqs; |
| | 134 | extern struct inpcbhead udb; |
| | 135 | extern struct inpcbinfo udbinfo; |
| | 136 | extern u_long udp_sendspace; |
| | 137 | extern u_long udp_recvspace; |
| | 138 | extern struct udpstat udpstat; |
| | 139 | extern int log_in_vain; |
| | 140 | |
| | 141 | void udp_ctlinput(int, struct sockaddr *, void *); |
| | 142 | void udp_init(void); |
| | 143 | void udp_input(struct mbuf *, int); |
| | 144 | |
| | 145 | void udp_notify(struct inpcb *inp, int errno); |
| | 146 | int udp_shutdown(struct socket *so); |
| | 147 | int udp_lock (struct socket *, int, int); |
| | 148 | int udp_unlock (struct socket *, int, int); |
| | 149 | void udp_slowtimo (void); |
| | 150 | #ifdef _KERN_LOCKS_H_ |
| | 151 | lck_mtx_t * udp_getlock (struct socket *, int); |
| | 152 | #else |
| | 153 | void * udp_getlock (struct socket *, int); |
| | 154 | #endif |
| | 155 | |
| | 156 | #endif /* KERNEL_PRIVATE */ |
| | 157 | #endif /* _NETINET_UDP_VAR_H_ */ |
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