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ctc: removal of the old ctc driver

Browse source 
ctc driver is replaced by a new ctcm driver.
The ctcm driver supports the channel-to-channel connections of the
old ctc driver plus an additional MPC protocol to provide SNA
connectivity.
This patch removes the functions of the old ctc driver.

Signed-off-by: Peter Tiedemann <ptiedem@de.ibm.com>
Signed-off-by: Ursula Braun <braunu@de.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Peter Tiedemann 2008-02-08 00:03:50 +01:00 committed by Jeff Garzik
parent 293d984f0e
commit 04885948b1
4 changed files with 0 additions and 3537 deletions
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80
drivers/s390/net/ctcdbug.c
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@ -1,80 +0,0 @@
/*
*
* linux/drivers/s390/net/ctcdbug.c
*
* CTC / ESCON network driver - s390 dbf exploit.
*
* Copyright 2000,2003 IBM Corporation
*
* Author(s): Original Code written by
* Peter Tiedemann (ptiedem@de.ibm.com)
*
* 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, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "ctcdbug.h"
/**
* Debug Facility Stuff
*/
debug_info_t *ctc_dbf_setup = NULL;
debug_info_t *ctc_dbf_data = NULL;
debug_info_t *ctc_dbf_trace = NULL;
DEFINE_PER_CPU(char[256], ctc_dbf_txt_buf);
void
ctc_unregister_dbf_views(void)
{
if (ctc_dbf_setup)
debug_unregister(ctc_dbf_setup);
if (ctc_dbf_data)
debug_unregister(ctc_dbf_data);
if (ctc_dbf_trace)
debug_unregister(ctc_dbf_trace);
}
int
ctc_register_dbf_views(void)
{
ctc_dbf_setup = debug_register(CTC_DBF_SETUP_NAME,
CTC_DBF_SETUP_PAGES,
CTC_DBF_SETUP_NR_AREAS,
CTC_DBF_SETUP_LEN);
ctc_dbf_data = debug_register(CTC_DBF_DATA_NAME,
CTC_DBF_DATA_PAGES,
CTC_DBF_DATA_NR_AREAS,
CTC_DBF_DATA_LEN);
ctc_dbf_trace = debug_register(CTC_DBF_TRACE_NAME,
CTC_DBF_TRACE_PAGES,
CTC_DBF_TRACE_NR_AREAS,
CTC_DBF_TRACE_LEN);
if ((ctc_dbf_setup == NULL) || (ctc_dbf_data == NULL) ||
(ctc_dbf_trace == NULL)) {
ctc_unregister_dbf_views();
return -ENOMEM;
}
debug_register_view(ctc_dbf_setup, &debug_hex_ascii_view);
debug_set_level(ctc_dbf_setup, CTC_DBF_SETUP_LEVEL);
debug_register_view(ctc_dbf_data, &debug_hex_ascii_view);
debug_set_level(ctc_dbf_data, CTC_DBF_DATA_LEVEL);
debug_register_view(ctc_dbf_trace, &debug_hex_ascii_view);
debug_set_level(ctc_dbf_trace, CTC_DBF_TRACE_LEVEL);
return 0;
}

125
drivers/s390/net/ctcdbug.h
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@ -1,125 +0,0 @@
/*
*
* linux/drivers/s390/net/ctcdbug.h
*
* CTC / ESCON network driver - s390 dbf exploit.
*
* Copyright 2000,2003 IBM Corporation
*
* Author(s): Original Code written by
* Peter Tiedemann (ptiedem@de.ibm.com)
*
* 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, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef _CTCDBUG_H_
#define _CTCDBUG_H_
#include <asm/debug.h>
#include "ctcmain.h"
/**
* Debug Facility stuff
*/
#define CTC_DBF_SETUP_NAME "ctc_setup"
#define CTC_DBF_SETUP_LEN 16
#define CTC_DBF_SETUP_PAGES 8
#define CTC_DBF_SETUP_NR_AREAS 1
#define CTC_DBF_SETUP_LEVEL 3
#define CTC_DBF_DATA_NAME "ctc_data"
#define CTC_DBF_DATA_LEN 128
#define CTC_DBF_DATA_PAGES 8
#define CTC_DBF_DATA_NR_AREAS 1
#define CTC_DBF_DATA_LEVEL 3
#define CTC_DBF_TRACE_NAME "ctc_trace"
#define CTC_DBF_TRACE_LEN 16
#define CTC_DBF_TRACE_PAGES 4
#define CTC_DBF_TRACE_NR_AREAS 2
#define CTC_DBF_TRACE_LEVEL 3
#define DBF_TEXT(name,level,text) \
do { \
debug_text_event(ctc_dbf_##name,level,text); \
} while (0)
#define DBF_HEX(name,level,addr,len) \
do { \
debug_event(ctc_dbf_##name,level,(void*)(addr),len); \
} while (0)
DECLARE_PER_CPU(char[256], ctc_dbf_txt_buf);
extern debug_info_t *ctc_dbf_setup;
extern debug_info_t *ctc_dbf_data;
extern debug_info_t *ctc_dbf_trace;
#define DBF_TEXT_(name,level,text...) \
do { \
char* ctc_dbf_txt_buf = get_cpu_var(ctc_dbf_txt_buf); \
sprintf(ctc_dbf_txt_buf, text); \
debug_text_event(ctc_dbf_##name,level,ctc_dbf_txt_buf); \
put_cpu_var(ctc_dbf_txt_buf); \
} while (0)
#define DBF_SPRINTF(name,level,text...) \
do { \
debug_sprintf_event(ctc_dbf_trace, level, ##text ); \
debug_sprintf_event(ctc_dbf_trace, level, text ); \
} while (0)
int ctc_register_dbf_views(void);
void ctc_unregister_dbf_views(void);
/**
* some more debug stuff
*/
#define HEXDUMP16(importance,header,ptr) \
PRINT_##importance(header "%02x %02x %02x %02x %02x %02x %02x %02x " \
"%02x %02x %02x %02x %02x %02x %02x %02x\n", \
*(((char*)ptr)),*(((char*)ptr)+1),*(((char*)ptr)+2), \
*(((char*)ptr)+3),*(((char*)ptr)+4),*(((char*)ptr)+5), \
*(((char*)ptr)+6),*(((char*)ptr)+7),*(((char*)ptr)+8), \
*(((char*)ptr)+9),*(((char*)ptr)+10),*(((char*)ptr)+11), \
*(((char*)ptr)+12),*(((char*)ptr)+13), \
*(((char*)ptr)+14),*(((char*)ptr)+15)); \
PRINT_##importance(header "%02x %02x %02x %02x %02x %02x %02x %02x " \
"%02x %02x %02x %02x %02x %02x %02x %02x\n", \
*(((char*)ptr)+16),*(((char*)ptr)+17), \
*(((char*)ptr)+18),*(((char*)ptr)+19), \
*(((char*)ptr)+20),*(((char*)ptr)+21), \
*(((char*)ptr)+22),*(((char*)ptr)+23), \
*(((char*)ptr)+24),*(((char*)ptr)+25), \
*(((char*)ptr)+26),*(((char*)ptr)+27), \
*(((char*)ptr)+28),*(((char*)ptr)+29), \
*(((char*)ptr)+30),*(((char*)ptr)+31));
static inline void
hex_dump(unsigned char *buf, size_t len)
{
size_t i;
for (i = 0; i < len; i++) {
if (i && !(i % 16))
printk("\n");
printk("%02x ", *(buf + i));
}
printk("\n");
}
#endif

3062
drivers/s390/net/ctcmain.c
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270
drivers/s390/net/ctcmain.h
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@ -1,270 +0,0 @@
/*
* CTC / ESCON network driver
*
* Copyright (C) 2001 IBM Deutschland Entwicklung GmbH, IBM Corporation
* Author(s): Fritz Elfert (elfert@de.ibm.com, felfert@millenux.com)
Peter Tiedemann (ptiedem@de.ibm.com)
*
*
* Documentation used:
* - Principles of Operation (IBM doc#: SA22-7201-06)
* - Common IO/-Device Commands and Self Description (IBM doc#: SA22-7204-02)
* - Common IO/-Device Commands and Self Description (IBM doc#: SN22-5535)
* - ESCON Channel-to-Channel Adapter (IBM doc#: SA22-7203-00)
* - ESCON I/O Interface (IBM doc#: SA22-7202-029
*
* 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, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#ifndef _CTCMAIN_H_
#define _CTCMAIN_H_
#include <asm/ccwdev.h>
#include <asm/ccwgroup.h>
#include <linux/skbuff.h>
#include <linux/netdevice.h>
#include "fsm.h"
#include "cu3088.h"
/**
* CCW commands, used in this driver.
*/
#define CCW_CMD_WRITE 0x01
#define CCW_CMD_READ 0x02
#define CCW_CMD_SET_EXTENDED 0xc3
#define CCW_CMD_PREPARE 0xe3
#define CTC_PROTO_S390 0
#define CTC_PROTO_LINUX 1
#define CTC_PROTO_OS390 3
#define CTC_BUFSIZE_LIMIT 65535
#define CTC_BUFSIZE_DEFAULT 32768
#define CTC_TIMEOUT_5SEC 5000
#define CTC_INITIAL_BLOCKLEN 2
#define READ 0
#define WRITE 1
#define CTC_ID_SIZE BUS_ID_SIZE+3
struct ctc_profile {
unsigned long maxmulti;
unsigned long maxcqueue;
unsigned long doios_single;
unsigned long doios_multi;
unsigned long txlen;
unsigned long tx_time;
struct timespec send_stamp;
};
/**
* Definition of one channel
*/
struct channel {
/**
* Pointer to next channel in list.
*/
struct channel *next;
char id[CTC_ID_SIZE];
struct ccw_device *cdev;
/**
* Type of this channel.
* CTC/A or Escon for valid channels.
*/
enum channel_types type;
/**
* Misc. flags. See CHANNEL_FLAGS_... below
*/
__u32 flags;
/**
* The protocol of this channel
*/
__u16 protocol;
/**
* I/O and irq related stuff
*/
struct ccw1 *ccw;
struct irb *irb;
/**
* RX/TX buffer size
*/
int max_bufsize;
/**
* Transmit/Receive buffer.
*/
struct sk_buff *trans_skb;
/**
* Universal I/O queue.
*/
struct sk_buff_head io_queue;
/**
* TX queue for collecting skb's during busy.
*/
struct sk_buff_head collect_queue;
/**
* Amount of data in collect_queue.
*/
int collect_len;
/**
* spinlock for collect_queue and collect_len
*/
spinlock_t collect_lock;
/**
* Timer for detecting unresposive
* I/O operations.
*/
fsm_timer timer;
/**
* Retry counter for misc. operations.
*/
int retry;
/**
* The finite state machine of this channel
*/
fsm_instance *fsm;
/**
* The corresponding net_device this channel
* belongs to.
*/
struct net_device *netdev;
struct ctc_profile prof;
unsigned char *trans_skb_data;
__u16 logflags;
};
#define CHANNEL_FLAGS_READ 0
#define CHANNEL_FLAGS_WRITE 1
#define CHANNEL_FLAGS_INUSE 2
#define CHANNEL_FLAGS_BUFSIZE_CHANGED 4
#define CHANNEL_FLAGS_FAILED 8
#define CHANNEL_FLAGS_WAITIRQ 16
#define CHANNEL_FLAGS_RWMASK 1
#define CHANNEL_DIRECTION(f) (f & CHANNEL_FLAGS_RWMASK)
#define LOG_FLAG_ILLEGALPKT 1
#define LOG_FLAG_ILLEGALSIZE 2
#define LOG_FLAG_OVERRUN 4
#define LOG_FLAG_NOMEM 8
#define CTC_LOGLEVEL_INFO 1
#define CTC_LOGLEVEL_NOTICE 2
#define CTC_LOGLEVEL_WARN 4
#define CTC_LOGLEVEL_EMERG 8
#define CTC_LOGLEVEL_ERR 16
#define CTC_LOGLEVEL_DEBUG 32
#define CTC_LOGLEVEL_CRIT 64
#define CTC_LOGLEVEL_DEFAULT \
(CTC_LOGLEVEL_INFO | CTC_LOGLEVEL_NOTICE | CTC_LOGLEVEL_WARN | CTC_LOGLEVEL_CRIT)
#define CTC_LOGLEVEL_MAX ((CTC_LOGLEVEL_CRIT<<1)-1)
#define ctc_pr_debug(fmt, arg...) \
do { if (loglevel & CTC_LOGLEVEL_DEBUG) printk(KERN_DEBUG fmt,##arg); } while (0)
#define ctc_pr_info(fmt, arg...) \
do { if (loglevel & CTC_LOGLEVEL_INFO) printk(KERN_INFO fmt,##arg); } while (0)
#define ctc_pr_notice(fmt, arg...) \
do { if (loglevel & CTC_LOGLEVEL_NOTICE) printk(KERN_NOTICE fmt,##arg); } while (0)
#define ctc_pr_warn(fmt, arg...) \
do { if (loglevel & CTC_LOGLEVEL_WARN) printk(KERN_WARNING fmt,##arg); } while (0)
#define ctc_pr_emerg(fmt, arg...) \
do { if (loglevel & CTC_LOGLEVEL_EMERG) printk(KERN_EMERG fmt,##arg); } while (0)
#define ctc_pr_err(fmt, arg...) \
do { if (loglevel & CTC_LOGLEVEL_ERR) printk(KERN_ERR fmt,##arg); } while (0)
#define ctc_pr_crit(fmt, arg...) \
do { if (loglevel & CTC_LOGLEVEL_CRIT) printk(KERN_CRIT fmt,##arg); } while (0)
struct ctc_priv {
struct net_device_stats stats;
unsigned long tbusy;
/**
* The finite state machine of this interface.
*/
fsm_instance *fsm;
/**
* The protocol of this device
*/
__u16 protocol;
/**
* Timer for restarting after I/O Errors
*/
fsm_timer restart_timer;
int buffer_size;
struct channel *channel[2];
};
/**
* Definition of our link level header.
*/
struct ll_header {
__u16 length;
__u16 type;
__u16 unused;
};
#define LL_HEADER_LENGTH (sizeof(struct ll_header))
/**
* Compatibility macros for busy handling
* of network devices.
*/
static __inline__ void
ctc_clear_busy(struct net_device * dev)
{
clear_bit(0, &(((struct ctc_priv *) dev->priv)->tbusy));
netif_wake_queue(dev);
}
static __inline__ int
ctc_test_and_set_busy(struct net_device * dev)
{
netif_stop_queue(dev);
return test_and_set_bit(0, &((struct ctc_priv *) dev->priv)->tbusy);
}
#endif