projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * INET An implementation of the TCP/IP protocol suite for the LINUX | |
| 3 | * operating system. INET is implemented using the BSD Socket | |
| 4 | * interface as the means of communication with the user level. | |
| 5 | * | |
| 6 | * Global definitions for the Token-Ring IEEE 802.5 interface. | |
| 7 | * | |
| 8 | * Version: @(#)if_tr.h 0.0 07/11/94 | |
| 9 | * | |
| 10 | * Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> | |
| 11 | * Donald Becker, <becker@super.org> | |
| 12 | * Peter De Schrijver, <stud11@cc4.kuleuven.ac.be> | |
| 13 | * | |
| 14 | * This program is free software; you can redistribute it and/or | |
| 15 | * modify it under the terms of the GNU General Public License | |
| 16 | * as published by the Free Software Foundation; either version | |
| 17 | * 2 of the License, or (at your option) any later version. | |
| 18 | */ | |
| 19 | #ifndef _LINUX_IF_TR_H | |
| 20 | #define _LINUX_IF_TR_H | |
| 21 | ||
| 22 | ||
| 23 | /* IEEE 802.5 Token-Ring magic constants. The frame sizes omit the preamble | |
| 24 | and FCS/CRC (frame check sequence). */ | |
| 25 | #define TR_ALEN 6 /* Octets in one ethernet addr */ | |
| 26 | #define TR_HLEN (sizeof(struct trh_hdr)+sizeof(struct trllc)) | |
| 27 | #define AC 0x10 | |
| 28 | #define LLC_FRAME 0x40 | |
| 29 | #if 0 | |
| 30 | #define ETH_HLEN 14 /* Total octets in header. */ | |
| 31 | #define ETH_ZLEN 60 /* Min. octets in frame sans FCS */ | |
| 32 | #define ETH_DATA_LEN 1500 /* Max. octets in payload */ | |
| 33 | #define ETH_FRAME_LEN 1514 /* Max. octets in frame sans FCS */ | |
| 34 | #endif | |
| 35 | ||
| 36 | ||
| 37 | /* LLC and SNAP constants */ | |
| 38 | #define EXTENDED_SAP 0xAA | |
| 39 | #define UI_CMD 0x03 | |
| 40 | ||
| 41 | /* This is an Token-Ring frame header. */ | |
| 42 | struct trh_hdr { | |
| 43 | __u8 ac; /* access control field */ | |
| 44 | __u8 fc; /* frame control field */ | |
| 45 | __u8 daddr[TR_ALEN]; /* destination address */ | |
| 46 | __u8 saddr[TR_ALEN]; /* source address */ | |
| 47 | __u16 rcf; /* route control field */ | |
| 48 | __u16 rseg[8]; /* routing registers */ | |
| 49 | }; | |
| 50 | ||
| 51 | #ifdef __KERNEL__ | |
| 52 | #include <linux/skbuff.h> | |
| 53 | ||
| 54 | static inline struct trh_hdr *tr_hdr(const struct sk_buff *skb) | |
| 55 | { | |
| 56 | return (struct trh_hdr *)skb->mac.raw; | |
| 57 | } | |
| 58 | #endif | |
| 59 | ||
| 60 | /* This is an Token-Ring LLC structure */ | |
| 61 | struct trllc { | |
| 62 | __u8 dsap; /* destination SAP */ | |
| 63 | __u8 ssap; /* source SAP */ | |
| 64 | __u8 llc; /* LLC control field */ | |
| 65 | __u8 protid[3]; /* protocol id */ | |
| 66 | __u16 ethertype; /* ether type field */ | |
| 67 | }; | |
| 68 | ||
| 69 | /* Token-Ring statistics collection data. */ | |
| 70 | struct tr_statistics { | |
| 71 | unsigned long rx_packets; /* total packets received */ | |
| 72 | unsigned long tx_packets; /* total packets transmitted */ | |
| 73 | unsigned long rx_bytes; /* total bytes received */ | |
| 74 | unsigned long tx_bytes; /* total bytes transmitted */ | |
| 75 | unsigned long rx_errors; /* bad packets received */ | |
| 76 | unsigned long tx_errors; /* packet transmit problems */ | |
| 77 | unsigned long rx_dropped; /* no space in linux buffers */ | |
| 78 | unsigned long tx_dropped; /* no space available in linux */ | |
| 79 | unsigned long multicast; /* multicast packets received */ | |
| 80 | unsigned long transmit_collision; | |
| 81 | ||
| 82 | /* detailed Token-Ring errors. See IBM Token-Ring Network | |
| 83 | Architecture for more info */ | |
| 84 | ||
| 85 | unsigned long line_errors; | |
| 86 | unsigned long internal_errors; | |
| 87 | unsigned long burst_errors; | |
| 88 | unsigned long A_C_errors; | |
| 89 | unsigned long abort_delimiters; | |
| 90 | unsigned long lost_frames; | |
| 91 | unsigned long recv_congest_count; | |
| 92 | unsigned long frame_copied_errors; | |
| 93 | unsigned long frequency_errors; | |
| 94 | unsigned long token_errors; | |
| 95 | unsigned long dummy1; | |
| 96 | }; | |
| 97 | ||
| 98 | /* source routing stuff */ | |
| 99 | ||
| 100 | #define TR_RII 0x80 | |
| 101 | #define TR_RCF_DIR_BIT 0x80 | |
| 102 | #define TR_RCF_LEN_MASK 0x1f00 | |
| 103 | #define TR_RCF_BROADCAST 0x8000 /* all-routes broadcast */ | |
| 104 | #define TR_RCF_LIMITED_BROADCAST 0xC000 /* single-route broadcast */ | |
| 105 | #define TR_RCF_FRAME2K 0x20 | |
| 106 | #define TR_RCF_BROADCAST_MASK 0xC000 | |
| 107 | #define TR_MAXRIFLEN 18 | |
| 108 | ||
| 109 | #endif /* _LINUX_IF_TR_H */ |