mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-22 12:14:01 +08:00
106 lines
3.3 KiB
C
106 lines
3.3 KiB
C
/*
|
|
* 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 <asm/byteorder.h> /* For __be16 */
|
|
|
|
/* IEEE 802.5 Token-Ring magic constants. The frame sizes omit the preamble
|
|
and FCS/CRC (frame check sequence). */
|
|
#define TR_ALEN 6 /* Octets in one token-ring addr */
|
|
#define TR_HLEN (sizeof(struct trh_hdr)+sizeof(struct trllc))
|
|
#define AC 0x10
|
|
#define LLC_FRAME 0x40
|
|
|
|
/* LLC and SNAP constants */
|
|
#define EXTENDED_SAP 0xAA
|
|
#define UI_CMD 0x03
|
|
|
|
/* This is an Token-Ring frame header. */
|
|
struct trh_hdr {
|
|
__u8 ac; /* access control field */
|
|
__u8 fc; /* frame control field */
|
|
__u8 daddr[TR_ALEN]; /* destination address */
|
|
__u8 saddr[TR_ALEN]; /* source address */
|
|
__be16 rcf; /* route control field */
|
|
__be16 rseg[8]; /* routing registers */
|
|
};
|
|
|
|
#ifdef __KERNEL__
|
|
#include <linux/skbuff.h>
|
|
|
|
static inline struct trh_hdr *tr_hdr(const struct sk_buff *skb)
|
|
{
|
|
return (struct trh_hdr *)skb->mac.raw;
|
|
}
|
|
#ifdef CONFIG_SYSCTL
|
|
extern struct ctl_table tr_table[];
|
|
#endif
|
|
#endif
|
|
|
|
/* This is an Token-Ring LLC structure */
|
|
struct trllc {
|
|
__u8 dsap; /* destination SAP */
|
|
__u8 ssap; /* source SAP */
|
|
__u8 llc; /* LLC control field */
|
|
__u8 protid[3]; /* protocol id */
|
|
__be16 ethertype; /* ether type field */
|
|
};
|
|
|
|
/* Token-Ring statistics collection data. */
|
|
struct tr_statistics {
|
|
unsigned long rx_packets; /* total packets received */
|
|
unsigned long tx_packets; /* total packets transmitted */
|
|
unsigned long rx_bytes; /* total bytes received */
|
|
unsigned long tx_bytes; /* total bytes transmitted */
|
|
unsigned long rx_errors; /* bad packets received */
|
|
unsigned long tx_errors; /* packet transmit problems */
|
|
unsigned long rx_dropped; /* no space in linux buffers */
|
|
unsigned long tx_dropped; /* no space available in linux */
|
|
unsigned long multicast; /* multicast packets received */
|
|
unsigned long transmit_collision;
|
|
|
|
/* detailed Token-Ring errors. See IBM Token-Ring Network
|
|
Architecture for more info */
|
|
|
|
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;
|
|
};
|
|
|
|
/* source routing stuff */
|
|
#define TR_RII 0x80
|
|
#define TR_RCF_DIR_BIT 0x80
|
|
#define TR_RCF_LEN_MASK 0x1f00
|
|
#define TR_RCF_BROADCAST 0x8000 /* all-routes broadcast */
|
|
#define TR_RCF_LIMITED_BROADCAST 0xC000 /* single-route broadcast */
|
|
#define TR_RCF_FRAME2K 0x20
|
|
#define TR_RCF_BROADCAST_MASK 0xC000
|
|
#define TR_MAXRIFLEN 18
|
|
|
|
#endif /* _LINUX_IF_TR_H */
|