1 /* $OpenBSD: udp_var.h,v 1.12 2001/06/23 06:03:14 angelos Exp $ */ 2 /* $NetBSD: udp_var.h,v 1.12 1996/02/13 23:44:41 christos Exp $ */ 3 4 /* 5 * Copyright (c) 1982, 1986, 1989, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#)udp_var.h 8.1 (Berkeley) 6/10/93 37 */ 38 39 #ifndef _NETINET_UDP_VAR_H_ 40 #define _NETINET_UDP_VAR_H_ 41 42 /* 43 * UDP kernel structures and variables. 44 */ 45 struct udpiphdr { 46 struct ipovly ui_i; /* overlaid ip structure */ 47 struct udphdr ui_u; /* udp header */ 48 }; 49 #define ui_x1 ui_i.ih_x1 50 #define ui_pr ui_i.ih_pr 51 #define ui_len ui_i.ih_len 52 #define ui_src ui_i.ih_src 53 #define ui_dst ui_i.ih_dst 54 #define ui_sport ui_u.uh_sport 55 #define ui_dport ui_u.uh_dport 56 #define ui_ulen ui_u.uh_ulen 57 #define ui_sum ui_u.uh_sum 58 59 struct udpstat { 60 /* input statistics: */ 61 u_long udps_ipackets; /* total input packets */ 62 u_long udps_hdrops; /* packet shorter than header */ 63 u_long udps_badsum; /* checksum error */ 64 u_long udps_nosum; /* no checksum */ 65 u_long udps_badlen; /* data length larger than packet */ 66 u_long udps_noport; /* no socket on port */ 67 u_long udps_noportbcast; /* of above, arrived as broadcast */ 68 u_long udps_nosec; /* dropped for lack of ipsec */ 69 u_long udps_fullsock; /* not delivered, input socket full */ 70 u_long udps_pcbhashmiss; /* input packets missing pcb hash */ 71 u_long udps_inhwcsum; /* input hardware-csummed packets */ 72 /* output statistics: */ 73 u_long udps_opackets; /* total output packets */ 74 u_long udps_outhwcsum; /* output hardware-csummed packets */ 75 }; 76 77 /* 78 * Names for UDP sysctl objects 79 */ 80 #define UDPCTL_CHECKSUM 1 /* checksum UDP packets */ 81 #define UDPCTL_BADDYNAMIC 2 /* return bad dynamic port bitmap */ 82 #define UDPCTL_RECVSPACE 3 /* receive buffer space */ 83 #define UDPCTL_SENDSPACE 4 /* send buffer space */ 84 #define UDPCTL_MAXID 5 85 86 #define UDPCTL_NAMES { \ 87 { 0, 0 }, \ 88 { "checksum", CTLTYPE_INT }, \ 89 { "baddynamic", CTLTYPE_STRUCT }, \ 90 { "recvspace", CTLTYPE_INT }, \ 91 { "sendspace", CTLTYPE_INT }, \ 92 } 93 94 #ifdef _KERNEL 95 struct inpcbtable udbtable; 96 struct udpstat udpstat; 97 98 #if defined(INET6) && !defined(TCP6) 99 void udp6_ctlinput __P((int, struct sockaddr *, void *)); 100 int udp6_input __P((struct mbuf **, int *, int)); 101 int udp6_usrreq __P((struct socket *, 102 int, struct mbuf *, struct mbuf *, struct mbuf *, struct proc *)); 103 #endif /* INET6 && !TCP6 */ 104 void *udp_ctlinput __P((int, struct sockaddr *, void *)); 105 void udp_init __P((void)); 106 void udp_input __P((struct mbuf *, ...)); 107 #ifdef INET6 108 int udp6_output __P((struct inpcb *, struct mbuf *, struct mbuf *, 109 struct mbuf *)); 110 #endif /* INET6 */ 111 int udp_output __P((struct mbuf *, ...)); 112 int udp_sysctl __P((int *, u_int, void *, size_t *, void *, size_t)); 113 int udp_usrreq __P((struct socket *, 114 int, struct mbuf *, struct mbuf *, struct mbuf *)); 115 #endif /* _KERNEL */ 116 #endif /* _NETINET_UDP_VAR_H_ */ 117