netiucv.c File Reference

#include <linux/module.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/errno.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/timer.h>
#include <linux/bitops.h>
#include <linux/signal.h>
#include <linux/string.h>
#include <linux/device.h>
#include <linux/ip.h>
#include <linux/if_arp.h>
#include <linux/tcp.h>
#include <linux/skbuff.h>
#include <linux/ctype.h>
#include <net/dst.h>
#include <asm/io.h>
#include <asm/uaccess.h>
#include <asm/ebcdic.h>
#include <net/iucv/iucv.h>
#include "fsm.h"

Go to the source code of this file.

Data Structures
struct	connection_profile
struct	iucv_connection
struct	iucv_event
struct	netiucv_priv
struct	ll_header

Macros
#define	KMSG_COMPONENT   "netiucv"
#define	pr_fmt(fmt)   KMSG_COMPONENT ": " fmt
#define	IUCV_DBF_SETUP_NAME   "iucv_setup"
#define	IUCV_DBF_SETUP_LEN   64
#define	IUCV_DBF_SETUP_PAGES   2
#define	IUCV_DBF_SETUP_NR_AREAS   1
#define	IUCV_DBF_SETUP_LEVEL   3
#define	IUCV_DBF_DATA_NAME   "iucv_data"
#define	IUCV_DBF_DATA_LEN   128
#define	IUCV_DBF_DATA_PAGES   2
#define	IUCV_DBF_DATA_NR_AREAS   1
#define	IUCV_DBF_DATA_LEVEL   2
#define	IUCV_DBF_TRACE_NAME   "iucv_trace"
#define	IUCV_DBF_TRACE_LEN   16
#define	IUCV_DBF_TRACE_PAGES   4
#define	IUCV_DBF_TRACE_NR_AREAS   1
#define	IUCV_DBF_TRACE_LEVEL   3
#define	IUCV_DBF_TEXT(name, level, text)
#define	IUCV_DBF_HEX(name, level, addr, len)
#define	IUCV_DBF_TEXT_(name, level, text...)
#define	IUCV_DBF_SPRINTF(name, level, text...)
#define	IUCV_HEXDUMP16(importance, header, ptr)
#define	PRINTK_HEADER   " iucv: " /* for debugging */
#define	NETIUCV_HDRLEN   (sizeof(struct ll_header))
#define	NETIUCV_BUFSIZE_MAX   65537
#define	NETIUCV_BUFSIZE_DEFAULT   NETIUCV_BUFSIZE_MAX
#define	NETIUCV_MTU_MAX   (NETIUCV_BUFSIZE_MAX - NETIUCV_HDRLEN)
#define	NETIUCV_MTU_DEFAULT   9216
#define	NETIUCV_QUEUELEN_DEFAULT   50
#define	NETIUCV_TIMEOUT_5SEC   5000

Enumerations
enum	dev_states {   DEV_STATE_STOPPED, DEV_STATE_STARTWAIT_RXTX, DEV_STATE_STARTWAIT_RX, DEV_STATE_STARTWAIT_TX,   DEV_STATE_STOPWAIT_RXTX, DEV_STATE_STOPWAIT_RX, DEV_STATE_STOPWAIT_TX, DEV_STATE_RUNNING,   CTCM_NR_DEV_STATES, DEV_STATE_STOPPED, DEV_STATE_STARTWAIT, DEV_STATE_STOPWAIT,   DEV_STATE_RUNNING, NR_DEV_STATES }
enum	dev_events {   DEV_EVENT_START, DEV_EVENT_STOP, DEV_EVENT_RXUP, DEV_EVENT_TXUP,   DEV_EVENT_RXDOWN, DEV_EVENT_TXDOWN, DEV_EVENT_RESTART, CTCM_NR_DEV_EVENTS,   DEV_EVENT_START, DEV_EVENT_STOP, DEV_EVENT_CONUP, DEV_EVENT_CONDOWN,   NR_DEV_EVENTS }
enum	conn_events {   CONN_EVENT_CONN_REQ, CONN_EVENT_CONN_ACK, CONN_EVENT_CONN_REJ, CONN_EVENT_CONN_SUS,   CONN_EVENT_CONN_RES, CONN_EVENT_RX, CONN_EVENT_TXDONE, CONN_EVENT_TIMER,   CONN_EVENT_START, CONN_EVENT_STOP, NR_CONN_EVENTS }
enum	conn_states {   CONN_STATE_INVALID, CONN_STATE_STOPPED, CONN_STATE_STARTWAIT, CONN_STATE_SETUPWAIT,   CONN_STATE_IDLE, CONN_STATE_TX, CONN_STATE_REGERR, CONN_STATE_CONNERR,   NR_CONN_STATES }

Functions
	MODULE_AUTHOR ("(C) 2001 IBM Corporation by Fritz Elfert ([email protected])")
	MODULE_DESCRIPTION ("Linux for S/390 IUCV network driver")
	DECLARE_PER_CPU (char[256], iucv_dbf_txt_buf)
	DEFINE_PER_CPU (char[256], iucv_dbf_txt_buf)
	module_init (netiucv_init)
	module_exit (netiucv_exit)
	MODULE_LICENSE ("GPL")

Macro Definition Documentation

#define IUCV_DBF_DATA_LEN   128

Definition at line 85 of file netiucv.c.

#define IUCV_DBF_DATA_LEVEL   2

Definition at line 88 of file netiucv.c.

#define IUCV_DBF_DATA_NAME   "iucv_data"

Definition at line 84 of file netiucv.c.

#define IUCV_DBF_DATA_NR_AREAS   1

Definition at line 87 of file netiucv.c.

#define IUCV_DBF_DATA_PAGES   2

Definition at line 86 of file netiucv.c.

#define IUCV_DBF_HEX	(		name,
			level,
			addr,
			len
	)

Value:

do { \
        debug_event(iucv_dbf_##name,level,(void*)(addr),len); \
    } while (0)

Definition at line 101 of file netiucv.c.

#define IUCV_DBF_SETUP_LEN   64

Definition at line 79 of file netiucv.c.

#define IUCV_DBF_SETUP_LEVEL   3

Definition at line 82 of file netiucv.c.

#define IUCV_DBF_SETUP_NAME   "iucv_setup"

Debug Facility stuff

Definition at line 78 of file netiucv.c.

#define IUCV_DBF_SETUP_NR_AREAS   1

Definition at line 81 of file netiucv.c.

#define IUCV_DBF_SETUP_PAGES   2

Definition at line 80 of file netiucv.c.

#define IUCV_DBF_SPRINTF	(		name,
			level,
			text...
	)

Value:

do { \
        debug_sprintf_event(iucv_dbf_trace, level, ##text ); \
        debug_sprintf_event(iucv_dbf_trace, level, text ); \
    } while (0)

Definition at line 124 of file netiucv.c.

#define IUCV_DBF_TEXT	(		name,
			level,
			text
	)

Value:

do { \
        debug_text_event(iucv_dbf_##name,level,text); \
    } while (0)

Definition at line 96 of file netiucv.c.

#define IUCV_DBF_TEXT_	(		name,
			level,
			text...
	)

Value:

do { \
        if (iucv_dbf_passes(iucv_dbf_##name, level)) { \
            char* __buf = get_cpu_var(iucv_dbf_txt_buf); \
            sprintf(__buf, text); \
            debug_text_event(iucv_dbf_##name, level, __buf); \
            put_cpu_var(iucv_dbf_txt_buf); \
        } \
    } while (0)

Definition at line 114 of file netiucv.c.

#define IUCV_DBF_TRACE_LEN   16

Definition at line 91 of file netiucv.c.

#define IUCV_DBF_TRACE_LEVEL   3

Definition at line 94 of file netiucv.c.

#define IUCV_DBF_TRACE_NAME   "iucv_trace"

Definition at line 90 of file netiucv.c.

#define IUCV_DBF_TRACE_NR_AREAS   1

Definition at line 93 of file netiucv.c.

#define IUCV_DBF_TRACE_PAGES   4

Definition at line 92 of file netiucv.c.

#define IUCV_HEXDUMP16	(		importance,
			header,
			ptr
	)

Value:

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));

some more debug stuff

Definition at line 133 of file netiucv.c.

#define KMSG_COMPONENT   "netiucv"

Definition at line 38 of file netiucv.c.

#define NETIUCV_BUFSIZE_DEFAULT   NETIUCV_BUFSIZE_MAX

Definition at line 269 of file netiucv.c.

#define NETIUCV_BUFSIZE_MAX   65537

Definition at line 268 of file netiucv.c.

#define NETIUCV_HDRLEN   (sizeof(struct ll_header))

Definition at line 267 of file netiucv.c.

#define NETIUCV_MTU_DEFAULT   9216

Definition at line 271 of file netiucv.c.

#define NETIUCV_MTU_MAX   (NETIUCV_BUFSIZE_MAX - NETIUCV_HDRLEN)

Definition at line 270 of file netiucv.c.

#define NETIUCV_QUEUELEN_DEFAULT   50

Definition at line 272 of file netiucv.c.

#define NETIUCV_TIMEOUT_5SEC   5000

Definition at line 273 of file netiucv.c.

#define pr_fmt

(

fmt

)

KMSG_COMPONENT ": " fmt

Definition at line 39 of file netiucv.c.

#define PRINTK_HEADER   " iucv: " /* for debugging */

Definition at line 153 of file netiucv.c.

Enumeration Type Documentation

enum conn_events

Events of the connection statemachine

Enumerator:

CONN_EVENT_CONN_REQ	Events, representing callbacks from lowlevel iucv layer)
CONN_EVENT_CONN_ACK
CONN_EVENT_CONN_REJ
CONN_EVENT_CONN_SUS
CONN_EVENT_CONN_RES
CONN_EVENT_RX
CONN_EVENT_TXDONE
CONN_EVENT_TIMER	Events, representing errors return codes from calls to lowlevel iucv layer Event, representing timer expiry.
CONN_EVENT_START	Events, representing commands from upper levels.
CONN_EVENT_STOP
NR_CONN_EVENTS	MUST be always the last element!!

Definition at line 388 of file netiucv.c.

enum conn_states

States of the connection statemachine.

Enumerator:

CONN_STATE_INVALID	Connection not assigned to any device, initial state, invalid
CONN_STATE_STOPPED	Userid assigned but not operating
CONN_STATE_STARTWAIT	Connection registered, no connection request sent yet, no connection request received
CONN_STATE_SETUPWAIT	Connection registered and connection request sent, no acknowledge and no connection request received yet.
CONN_STATE_IDLE	Connection up and running idle
CONN_STATE_TX	Data sent, awaiting CONN_EVENT_TXDONE
CONN_STATE_REGERR	Error during registration.
CONN_STATE_CONNERR	Error during registration.
NR_CONN_STATES	MUST be always the last element!!

Definition at line 441 of file netiucv.c.

enum dev_events

Events of the interface statemachine.

Enumerator:

DEV_EVENT_START
DEV_EVENT_STOP
DEV_EVENT_RXUP
DEV_EVENT_TXUP
DEV_EVENT_RXDOWN
DEV_EVENT_TXDOWN
DEV_EVENT_RESTART
CTCM_NR_DEV_EVENTS
DEV_EVENT_START
DEV_EVENT_STOP
DEV_EVENT_CONUP
DEV_EVENT_CONDOWN
NR_DEV_EVENTS	MUST be always the last element!!

Definition at line 367 of file netiucv.c.

enum dev_states

States of the interface statemachine.

Enumerator:

DEV_STATE_STOPPED
DEV_STATE_STARTWAIT_RXTX
DEV_STATE_STARTWAIT_RX
DEV_STATE_STARTWAIT_TX
DEV_STATE_STOPWAIT_RXTX
DEV_STATE_STOPWAIT_RX
DEV_STATE_STOPWAIT_TX
DEV_STATE_RUNNING
CTCM_NR_DEV_STATES
DEV_STATE_STOPPED
DEV_STATE_STARTWAIT
DEV_STATE_STOPWAIT
DEV_STATE_RUNNING
NR_DEV_STATES	MUST be always the last element!!

Definition at line 346 of file netiucv.c.

Function Documentation

DECLARE_PER_CPU	(	char	[256],
		iucv_dbf_txt_buf
	)

DEFINE_PER_CPU	(	char	[256],
		iucv_dbf_txt_buf
	)

MODULE_AUTHOR

(

"(C) 2001 IBM Corporation by Fritz Elfert ([email protected])"

)

MODULE_DESCRIPTION

(

"Linux for S/390 IUCV network driver"

)

module_exit

(

netiucv_exit

)

module_init

(

netiucv_init

)

MODULE_LICENSE

(

"GPL"

)