projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| ce022b0d | 1 | /* |
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2 | * Copyright (c) 1988, 1992 The University of Utah and the Center |
| 3 | * for Software Science (CSS). | |
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4 | * Copyright (c) 1992, 1993 |
| 5 | * The Regents of the University of California. All rights reserved. | |
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6 | * |
| 7 | * This code is derived from software contributed to Berkeley by | |
| 8 | * the Center for Software Science of the University of Utah Computer | |
| 9 | * Science Department. CSS requests users of this software to return | |
| 10 | * to css-dist@cs.utah.edu any improvements that they make and grant | |
| 11 | * CSS redistribution rights. | |
| 12 | * | |
| 13 | * %sccs.include.redist.c% | |
| 14 | * | |
| 08b68ced | 15 | * @(#)rmp.h 8.1 (Berkeley) %G% |
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16 | * |
| 17 | * Utah $Hdr: rmp.h 3.1 92/07/06$ | |
| 18 | * Author: Jeff Forys, University of Utah CSS | |
| 19 | */ | |
| 20 | ||
| 21 | /* | |
| 22 | * Define MIN/MAX sizes of RMP (ethernet) packet. | |
| 23 | * For ease of computation, the 4 octet CRC field is not included. | |
| 24 | * | |
| 25 | * MCLBYTES is for bpfwrite(); it is adamant about using a cluster. | |
| 26 | */ | |
| 27 | ||
| 28 | #define RMP_MAX_PACKET MIN(1514,MCLBYTES) | |
| 29 | #define RMP_MIN_PACKET 60 | |
| 30 | ||
| 31 | /* | |
| 32 | * Define RMP/Ethernet Multicast address (9:0:9:0:0:4) and its length. | |
| 33 | */ | |
| 34 | #define RMP_ADDR { 0x9, 0x0, 0x9, 0x0, 0x0, 0x4 } | |
| 35 | #define RMP_ADDRLEN 6 | |
| 36 | ||
| 37 | /* | |
| 38 | * Define IEEE802.2 (Logical Link Control) information. | |
| 39 | */ | |
| 40 | #define IEEE_DSAP_HP 0xF8 /* Destination Service Access Point */ | |
| 41 | #define IEEE_SSAP_HP 0xF8 /* Source Service Access Point */ | |
| 42 | #define IEEE_CNTL_HP 0x0300 /* Type 1 / I format control information */ | |
| 43 | ||
| 44 | #define HPEXT_DXSAP 0x608 /* HP Destination Service Access Point */ | |
| 45 | #define HPEXT_SXSAP 0x609 /* HP Source Service Access Point */ | |
| 46 | ||
| 47 | /* | |
| 48 | * 802.3-style "Ethernet" header. | |
| 49 | */ | |
| 50 | ||
| 51 | struct hp_hdr { | |
| 52 | u_char daddr[RMP_ADDRLEN]; | |
| 53 | u_char saddr[RMP_ADDRLEN]; | |
| 54 | u_short len; | |
| 55 | }; | |
| 56 | ||
| 57 | /* | |
| 58 | * HP uses 802.2 LLC with their own local extensions. This struct makes | |
| 59 | * sence out of this data (encapsulated in the above 802.3 packet). | |
| 60 | */ | |
| 61 | ||
| 62 | struct hp_llc { | |
| 63 | u_char dsap; /* 802.2 DSAP */ | |
| 64 | u_char ssap; /* 802.2 SSAP */ | |
| 65 | u_short cntrl; /* 802.2 control field */ | |
| 66 | u_short filler; /* HP filler (must be zero) */ | |
| 67 | u_short dxsap; /* HP extended DSAP */ | |
| 68 | u_short sxsap; /* HP extended SSAP */ | |
| 69 | }; |