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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.18.0/] [newlib/] [libc/] [sys/] [linux/] [include/] [netinet/] [udp_var.h] - Blame information for rev 207

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1 207 jeremybenn
/*
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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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 * $FreeBSD: src/sys/netinet/udp_var.h,v 1.25 2002/03/19 21:25:46 alfred Exp $
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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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/*
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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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struct  udpstat {
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                                /* input statistics: */
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        u_long  udps_ipackets;          /* total input packets */
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        u_long  udps_hdrops;            /* packet shorter than header */
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        u_long  udps_badsum;            /* checksum error */
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        u_long  udps_nosum;             /* no checksum */
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        u_long  udps_badlen;            /* data length larger than packet */
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        u_long  udps_noport;            /* no socket on port */
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        u_long  udps_noportbcast;       /* of above, arrived as broadcast */
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        u_long  udps_fullsock;          /* not delivered, input socket full */
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        u_long  udpps_pcbcachemiss;     /* input packets missing pcb cache */
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        u_long  udpps_pcbhashmiss;      /* input packets not for hashed pcb */
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                                /* output statistics: */
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        u_long  udps_opackets;          /* total output packets */
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        u_long  udps_fastout;           /* output packets on fast path */
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        /* of no socket on port, arrived as multicast */
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        u_long  udps_noportmcast;
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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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#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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#ifdef _KERNEL
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SYSCTL_DECL(_net_inet_udp);
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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_long   udp_sendspace;
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extern u_long   udp_recvspace;
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extern struct   udpstat udpstat;
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extern int      log_in_vain;
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void    udp_ctlinput(int, struct sockaddr *, void *);
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void    udp_init(void);
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void    udp_input(struct mbuf *, int);
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void    udp_notify(struct inpcb *inp, int errno);
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int     udp_shutdown(struct socket *so);
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#endif
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#endif

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