Annotation of qemu/slirp/udp.h, revision 1.1.1.5

1.1       root        1: /*
                      2:  * Copyright (c) 1982, 1986, 1993
                      3:  *     The Regents of the University of California.  All rights reserved.
                      4:  *
                      5:  * Redistribution and use in source and binary forms, with or without
                      6:  * modification, are permitted provided that the following conditions
                      7:  * are met:
                      8:  * 1. Redistributions of source code must retain the above copyright
                      9:  *    notice, this list of conditions and the following disclaimer.
                     10:  * 2. Redistributions in binary form must reproduce the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer in the
                     12:  *    documentation and/or other materials provided with the distribution.
1.1.1.3   root       13:  * 3. Neither the name of the University nor the names of its contributors
1.1       root       14:  *    may be used to endorse or promote products derived from this software
                     15:  *    without specific prior written permission.
                     16:  *
                     17:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     18:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     19:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     20:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     21:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     22:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     23:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     24:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     25:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     26:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     27:  * SUCH DAMAGE.
                     28:  *
                     29:  *     @(#)udp.h       8.1 (Berkeley) 6/10/93
                     30:  * udp.h,v 1.3 1994/08/21 05:27:41 paul Exp
                     31:  */
                     32: 
                     33: #ifndef _UDP_H_
                     34: #define _UDP_H_
                     35: 
                     36: #define UDP_TTL 0x60
                     37: #define UDP_UDPDATALEN 16192
                     38: 
                     39: /*
                     40:  * Udp protocol header.
                     41:  * Per RFC 768, September, 1981.
                     42:  */
                     43: struct udphdr {
1.1.1.5 ! root       44:     uint16_t uh_sport;          /* source port */
        !            45:     uint16_t uh_dport;          /* destination port */
        !            46:     int16_t  uh_ulen;           /* udp length */
        !            47:     uint16_t uh_sum;            /* udp checksum */
1.1       root       48: };
                     49: 
                     50: /*
                     51:  * UDP kernel structures and variables.
                     52:  */
                     53: struct udpiphdr {
                     54:                struct  ipovly ui_i;            /* overlaid ip structure */
                     55:                struct  udphdr ui_u;            /* udp header */
                     56: };
1.1.1.3   root       57: #define ui_mbuf         ui_i.ih_mbuf.mptr
1.1       root       58: #define ui_x1           ui_i.ih_x1
                     59: #define ui_pr           ui_i.ih_pr
                     60: #define ui_len          ui_i.ih_len
                     61: #define ui_src          ui_i.ih_src
                     62: #define ui_dst          ui_i.ih_dst
                     63: #define ui_sport        ui_u.uh_sport
                     64: #define ui_dport        ui_u.uh_dport
                     65: #define ui_ulen         ui_u.uh_ulen
                     66: #define ui_sum          ui_u.uh_sum
                     67: 
                     68: /*
                     69:  * Names for UDP sysctl objects
                     70:  */
                     71: #define UDPCTL_CHECKSUM         1       /* checksum UDP packets */
                     72: #define UDPCTL_MAXID            2
                     73: 
                     74: struct mbuf;
                     75: 
1.1.1.4   root       76: void udp_init(Slirp *);
                     77: void udp_input(register struct mbuf *, int);
                     78: int udp_output(struct socket *, struct mbuf *, struct sockaddr_in *);
                     79: int udp_attach(struct socket *);
                     80: void udp_detach(struct socket *);
1.1.1.5 ! root       81: struct socket * udp_listen(Slirp *, uint32_t, u_int, uint32_t, u_int,
1.1.1.4   root       82:                            int);
1.1.1.2   root       83: int udp_output2(struct socket *so, struct mbuf *m,
1.1       root       84:                 struct sockaddr_in *saddr, struct sockaddr_in *daddr,
                     85:                 int iptos);
                     86: #endif

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