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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.18.0/] [newlib/] [libc/] [sys/] [linux/] [include/] [netinet/] [udp_var.h] - Rev 301
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/* * Copyright (c) 1982, 1986, 1989, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)udp_var.h 8.1 (Berkeley) 6/10/93 * $FreeBSD: src/sys/netinet/udp_var.h,v 1.25 2002/03/19 21:25:46 alfred Exp $ */ #ifndef _NETINET_UDP_VAR_H_ #define _NETINET_UDP_VAR_H_ /* * UDP kernel structures and variables. */ struct udpiphdr { struct ipovly ui_i; /* overlaid ip structure */ struct udphdr ui_u; /* udp header */ }; #define ui_x1 ui_i.ih_x1 #define ui_pr ui_i.ih_pr #define ui_len ui_i.ih_len #define ui_src ui_i.ih_src #define ui_dst ui_i.ih_dst #define ui_sport ui_u.uh_sport #define ui_dport ui_u.uh_dport #define ui_ulen ui_u.uh_ulen #define ui_sum ui_u.uh_sum struct udpstat { /* input statistics: */ u_long udps_ipackets; /* total input packets */ u_long udps_hdrops; /* packet shorter than header */ u_long udps_badsum; /* checksum error */ u_long udps_nosum; /* no checksum */ u_long udps_badlen; /* data length larger than packet */ u_long udps_noport; /* no socket on port */ u_long udps_noportbcast; /* of above, arrived as broadcast */ u_long udps_fullsock; /* not delivered, input socket full */ u_long udpps_pcbcachemiss; /* input packets missing pcb cache */ u_long udpps_pcbhashmiss; /* input packets not for hashed pcb */ /* output statistics: */ u_long udps_opackets; /* total output packets */ u_long udps_fastout; /* output packets on fast path */ /* of no socket on port, arrived as multicast */ u_long udps_noportmcast; }; /* * Names for UDP sysctl objects */ #define UDPCTL_CHECKSUM 1 /* checksum UDP packets */ #define UDPCTL_STATS 2 /* statistics (read-only) */ #define UDPCTL_MAXDGRAM 3 /* max datagram size */ #define UDPCTL_RECVSPACE 4 /* default receive buffer space */ #define UDPCTL_PCBLIST 5 /* list of PCBs for UDP sockets */ #define UDPCTL_MAXID 6 #define UDPCTL_NAMES { \ { 0, 0 }, \ { "checksum", CTLTYPE_INT }, \ { "stats", CTLTYPE_STRUCT }, \ { "maxdgram", CTLTYPE_INT }, \ { "recvspace", CTLTYPE_INT }, \ { "pcblist", CTLTYPE_STRUCT }, \ } #ifdef _KERNEL SYSCTL_DECL(_net_inet_udp); extern struct pr_usrreqs udp_usrreqs; extern struct inpcbhead udb; extern struct inpcbinfo udbinfo; extern u_long udp_sendspace; extern u_long udp_recvspace; extern struct udpstat udpstat; extern int log_in_vain; void udp_ctlinput(int, struct sockaddr *, void *); void udp_init(void); void udp_input(struct mbuf *, int); void udp_notify(struct inpcb *inp, int errno); int udp_shutdown(struct socket *so); #endif #endif
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