projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 15637ed4 RG |
1 | /* |
| 2 | * Copyright (c) 1982, 1986, 1989 Regents of the University of California. | |
| 3 | * 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. | |
| 13 | * 3. All advertising materials mentioning features or use of this software | |
| 14 | * must display the following acknowledgement: | |
| 15 | * This product includes software developed by the University of | |
| 16 | * California, Berkeley and its contributors. | |
| 17 | * 4. Neither the name of the University nor the names of its contributors | |
| 18 | * may be used to endorse or promote products derived from this software | |
| 19 | * without specific prior written permission. | |
| 20 | * | |
| 21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 31 | * SUCH DAMAGE. | |
| 32 | * | |
| 78ed81a3 | 33 | * from: @(#)udp_var.h 7.7 (Berkeley) 6/28/90 |
| 34 | * $Id$ | |
| 15637ed4 RG |
35 | */ |
| 36 | ||
| 37 | /* | |
| 38 | * UDP kernel structures and variables. | |
| 39 | */ | |
| 40 | struct udpiphdr { | |
| 41 | struct ipovly ui_i; /* overlaid ip structure */ | |
| 42 | struct udphdr ui_u; /* udp header */ | |
| 43 | }; | |
| 44 | #define ui_next ui_i.ih_next | |
| 45 | #define ui_prev ui_i.ih_prev | |
| 46 | #define ui_x1 ui_i.ih_x1 | |
| 47 | #define ui_pr ui_i.ih_pr | |
| 48 | #define ui_len ui_i.ih_len | |
| 49 | #define ui_src ui_i.ih_src | |
| 50 | #define ui_dst ui_i.ih_dst | |
| 51 | #define ui_sport ui_u.uh_sport | |
| 52 | #define ui_dport ui_u.uh_dport | |
| 53 | #define ui_ulen ui_u.uh_ulen | |
| 54 | #define ui_sum ui_u.uh_sum | |
| 55 | ||
| 56 | struct udpstat { | |
| 57 | /* input statistics: */ | |
| 58 | int udps_ipackets; /* total input packets */ | |
| 59 | int udps_hdrops; /* packet shorter than header */ | |
| 60 | int udps_badsum; /* checksum error */ | |
| 61 | int udps_badlen; /* data length larger than packet */ | |
| 62 | int udps_noport; /* no socket on port */ | |
| 63 | int udps_noportbcast; /* of above, arrived as broadcast */ | |
| 64 | int udps_fullsock; /* not delivered, input socket full */ | |
| 65 | int udpps_pcbcachemiss; /* input packets missing pcb cache */ | |
| 66 | /* output statistics: */ | |
| 67 | int udps_opackets; /* total output packets */ | |
| 68 | }; | |
| 69 | ||
| 70 | #define UDP_TTL 30 /* default time to live for UDP packets */ | |
| 71 | ||
| 72 | #ifdef KERNEL | |
| 73 | struct inpcb udb; | |
| 74 | struct udpstat udpstat; | |
| 75 | #endif |