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/*
* INET An implementation of the TCP/IP protocol suite for the LINUX
* operating system. INET is implemented using the BSD Socket
* interface as the means of communication with the user level.
*
* Global definitions for the Token-Ring IEEE 802.5 interface.
*
* Version: @(#)if_tr.h 0.0 07/11/94
*
* Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
* Donald Becker, <becker@super.org>
* Peter De Schrijver, <stud11@cc4.kuleuven.ac.be>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#ifndef _LINUX_IF_TR_H
#define _LINUX_IF_TR_H
#include <linux/types.h>
#include <asm/byteorder.h>
#define TR_ALEN 6
#define TR_HLEN (sizeof(struct trh_hdr)+sizeof(struct trllc))
#define AC 0x10
#define LLC_FRAME 0x40
#define EXTENDED_SAP 0xAA
#define UI_CMD 0x03
struct trh_hdr {
__u8 ac;
__u8 fc;
__u8 daddr[TR_ALEN];
__u8 saddr[TR_ALEN];
__be16 rcf;
__be16 rseg[8];
};
#ifdef __KERNEL__
#include <linux/skbuff.h>
static inline struct trh_hdr *tr_hdr(const struct sk_buff *skb)
{
return (struct trh_hdr *)skb_mac_header(skb);
}
#endif
struct trllc {
__u8 dsap;
__u8 ssap;
__u8 llc;
__u8 protid[3];
__be16 ethertype;
};
struct tr_statistics {
unsigned long rx_packets;
unsigned long tx_packets;
unsigned long rx_bytes;
unsigned long tx_bytes;
unsigned long rx_errors;
unsigned long tx_errors;
unsigned long rx_dropped;
unsigned long tx_dropped;
unsigned long multicast;
unsigned long transmit_collision;
unsigned long line_errors;
unsigned long internal_errors;
unsigned long burst_errors;
unsigned long A_C_errors;
unsigned long abort_delimiters;
unsigned long lost_frames;
unsigned long recv_congest_count;
unsigned long frame_copied_errors;
unsigned long frequency_errors;
unsigned long token_errors;
unsigned long dummy1;
};
#define TR_RII 0x80
#define TR_RCF_DIR_BIT 0x80
#define TR_RCF_LEN_MASK 0x1f00
#define TR_RCF_BROADCAST 0x8000
#define TR_RCF_LIMITED_BROADCAST 0xC000
#define TR_RCF_FRAME2K 0x20
#define TR_RCF_BROADCAST_MASK 0xC000
#define TR_MAXRIFLEN 18
#endif
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