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Commit b805da74 authored by Andy Richter's avatar Andy Richter Committed by Jeff Garzik
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s390/net: Cleanup claw printk messages. 

Cc: Martin Schwidefsky <schwidefska@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: default avatarAndy Richter <richtera@us.ibm.com>
Signed-off-by: default avatarUrsula Braun <ursula.braun@de.ibm.com>
Signed-off-by: default avatarJeff Garzik <jgarzik@redhat.com>
parent 58735567
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Showing with 520 additions and 1621 deletions
drivers/s390/net/claw.c
View file @ b805da74
......@@ -58,13 +58,13 @@
* 1.10 Changes for Buffer allocation
* 1.15 Changed for 2.6 Kernel No longer compiles on 2.4 or lower
* 1.25 Added Packing support
* 1.5
*/
#include <asm/ccwdev.h>
#include <asm/ccwgroup.h>
#include <asm/debug.h>
#include <asm/idals.h>
#include <asm/io.h>
#include <linux/bitops.h>
#include <linux/ctype.h>
#include <linux/delay.h>
......@@ -90,36 +90,10 @@
#include "cu3088.h"
#include "claw.h"
MODULE_AUTHOR("Andy Richter <richtera@us.ibm.com>");
MODULE_DESCRIPTION("Linux for zSeries CLAW Driver\n" \
"Copyright 2000,2005 IBM Corporation\n");
MODULE_LICENSE("GPL");
/* Debugging is based on DEBUGMSG, IOTRACE, or FUNCTRACE options:
DEBUGMSG - Enables output of various debug messages in the code
IOTRACE - Enables output of CCW and other IO related traces
FUNCTRACE - Enables output of function entry/exit trace
Define any combination of above options to enable tracing
CLAW also uses the s390dbf file system see claw_trace and claw_setup
/*
CLAW uses the s390dbf file system see claw_trace and claw_setup
*/
/* following enables tracing */
//#define DEBUGMSG
//#define IOTRACE
//#define FUNCTRACE
#ifdef DEBUGMSG
#define DEBUG
#endif
#ifdef IOTRACE
#define DEBUG
#endif
#ifdef FUNCTRACE
#define DEBUG
#endif
static char debug_buffer[255];
/**
......@@ -146,7 +120,6 @@ claw_register_debug_facility(void)
claw_dbf_setup = debug_register("claw_setup", 2, 1, 8);
claw_dbf_trace = debug_register("claw_trace", 2, 2, 8);
if (claw_dbf_setup == NULL || claw_dbf_trace == NULL) {
printk(KERN_WARNING "Not enough memory for debug facility.\n");
claw_unregister_debug_facility();
return -ENOMEM;
}
......@@ -232,9 +205,6 @@ static void probe_error( struct ccwgroup_device *cgdev);
static struct net_device_stats *claw_stats(struct net_device *dev);
static int pages_to_order_of_mag(int num_of_pages);
static struct sk_buff *claw_pack_skb(struct claw_privbk *privptr);
#ifdef DEBUG
static void dumpit (char *buf, int len);
#endif
/* sysfs Functions */
static ssize_t claw_hname_show(struct device *dev, struct device_attribute *attr, char *buf);
static ssize_t claw_hname_write(struct device *dev, struct device_attribute *attr,
......@@ -263,12 +233,12 @@ static int claw_snd_disc(struct net_device *dev, struct clawctl * p_ctl);
static int claw_snd_sys_validate_rsp(struct net_device *dev,
struct clawctl * p_ctl, __u32 return_code);
static int claw_strt_conn_req(struct net_device *dev );
static void claw_strt_read ( struct net_device *dev, int lock );
static void claw_strt_out_IO( struct net_device *dev );
static void claw_free_wrt_buf( struct net_device *dev );
static void claw_strt_read(struct net_device *dev, int lock);
static void claw_strt_out_IO(struct net_device *dev);
static void claw_free_wrt_buf(struct net_device *dev);
/* Functions for unpack reads */
static void unpack_read (struct net_device *dev );
static void unpack_read(struct net_device *dev);
/* ccwgroup table */
......@@ -284,7 +254,6 @@ static struct ccwgroup_driver claw_group_driver = {
};
/*
*
* Key functions
*/
......@@ -298,23 +267,14 @@ claw_probe(struct ccwgroup_device *cgdev)
int rc;
struct claw_privbk *privptr=NULL;
#ifdef FUNCTRACE
printk(KERN_INFO "%s Enter\n",__func__);
#endif
CLAW_DBF_TEXT(2,setup,"probe");
CLAW_DBF_TEXT(2, setup, "probe");
if (!get_device(&cgdev->dev))
return -ENODEV;
#ifdef DEBUGMSG
printk(KERN_INFO "claw: variable cgdev =\n");
dumpit((char *)cgdev, sizeof(struct ccwgroup_device));
#endif
privptr = kzalloc(sizeof(struct claw_privbk), GFP_KERNEL);
if (privptr == NULL) {
probe_error(cgdev);
put_device(&cgdev->dev);
printk(KERN_WARNING "Out of memory %s %s Exit Line %d \n",
cgdev->cdev[0]->dev.bus_id,__func__,__LINE__);
CLAW_DBF_TEXT_(2,setup,"probex%d",-ENOMEM);
CLAW_DBF_TEXT_(2, setup, "probex%d", -ENOMEM);
return -ENOMEM;
}
privptr->p_mtc_envelope= kzalloc( MAX_ENVELOPE_SIZE, GFP_KERNEL);
......@@ -322,9 +282,7 @@ claw_probe(struct ccwgroup_device *cgdev)
if ((privptr->p_mtc_envelope==NULL) || (privptr->p_env==NULL)) {
probe_error(cgdev);
put_device(&cgdev->dev);
printk(KERN_WARNING "Out of memory %s %s Exit Line %d \n",
cgdev->cdev[0]->dev.bus_id,__func__,__LINE__);
CLAW_DBF_TEXT_(2,setup,"probex%d",-ENOMEM);
CLAW_DBF_TEXT_(2, setup, "probex%d", -ENOMEM);
return -ENOMEM;
}
memcpy(privptr->p_env->adapter_name,WS_NAME_NOT_DEF,8);
......@@ -341,19 +299,14 @@ claw_probe(struct ccwgroup_device *cgdev)
put_device(&cgdev->dev);
printk(KERN_WARNING "add_files failed %s %s Exit Line %d \n",
cgdev->cdev[0]->dev.bus_id,__func__,__LINE__);
CLAW_DBF_TEXT_(2,setup,"probex%d",rc);
CLAW_DBF_TEXT_(2, setup, "probex%d", rc);
return rc;
}
printk(KERN_INFO "claw: sysfs files added for %s\n",cgdev->cdev[0]->dev.bus_id);
privptr->p_env->p_priv = privptr;
cgdev->cdev[0]->handler = claw_irq_handler;
cgdev->cdev[1]->handler = claw_irq_handler;
cgdev->dev.driver_data = privptr;
#ifdef FUNCTRACE
printk(KERN_INFO "claw:%s exit on line %d, "
"rc = 0\n",__func__,__LINE__);
#endif
CLAW_DBF_TEXT(2,setup,"prbext 0");
CLAW_DBF_TEXT(2, setup, "prbext 0");
return 0;
} /* end of claw_probe */
......@@ -370,37 +323,18 @@ claw_tx(struct sk_buff *skb, struct net_device *dev)
unsigned long saveflags;
struct chbk *p_ch;
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s enter\n",dev->name,__func__);
#endif
CLAW_DBF_TEXT(4,trace,"claw_tx");
CLAW_DBF_TEXT(4, trace, "claw_tx");
p_ch=&privptr->channel[WRITE];
if (skb == NULL) {
printk(KERN_WARNING "%s: null pointer passed as sk_buffer\n",
dev->name);
privptr->stats.tx_dropped++;
#ifdef FUNCTRACE
printk(KERN_INFO "%s: %s() exit on line %d, rc = EIO\n",
dev->name,__func__, __LINE__);
#endif
CLAW_DBF_TEXT_(2,trace,"clawtx%d",-EIO);
privptr->stats.tx_errors++;
CLAW_DBF_TEXT_(2, trace, "clawtx%d", -EIO);
return -EIO;
}
#ifdef IOTRACE
printk(KERN_INFO "%s: variable sk_buff=\n",dev->name);
dumpit((char *) skb, sizeof(struct sk_buff));
printk(KERN_INFO "%s: variable dev=\n",dev->name);
dumpit((char *) dev, sizeof(struct net_device));
#endif
spin_lock_irqsave(get_ccwdev_lock(p_ch->cdev), saveflags);
rc=claw_hw_tx( skb, dev, 1 );
spin_unlock_irqrestore(get_ccwdev_lock(p_ch->cdev), saveflags);
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s exit on line %d, rc = %d\n",
dev->name, __func__, __LINE__, rc);
#endif
CLAW_DBF_TEXT_(4,trace,"clawtx%d",rc);
CLAW_DBF_TEXT_(4, trace, "clawtx%d", rc);
return rc;
} /* end of claw_tx */
......@@ -419,7 +353,7 @@ claw_pack_skb(struct claw_privbk *privptr)
new_skb = NULL; /* assume no dice */
pkt_cnt = 0;
CLAW_DBF_TEXT(4,trace,"PackSKBe");
CLAW_DBF_TEXT(4, trace, "PackSKBe");
if (!skb_queue_empty(&p_ch->collect_queue)) {
/* some data */
held_skb = skb_dequeue(&p_ch->collect_queue);
......@@ -457,13 +391,8 @@ claw_pack_skb(struct claw_privbk *privptr)
skb_queue_head(&p_ch->collect_queue,held_skb);
}
}
#ifdef IOTRACE
printk(KERN_INFO "%s: %s() Packed %d len %d\n",
p_env->ndev->name,
__func__,pkt_cnt,new_skb->len);
#endif
}
CLAW_DBF_TEXT(4,trace,"PackSKBx");
CLAW_DBF_TEXT(4, trace, "PackSKBx");
return new_skb;
}
......@@ -477,29 +406,12 @@ claw_change_mtu(struct net_device *dev, int new_mtu)
{
struct claw_privbk *privptr=dev->priv;
int buff_size;
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Enter \n",dev->name,__func__);
#endif
#ifdef DEBUGMSG
printk(KERN_INFO "variable dev =\n");
dumpit((char *) dev, sizeof(struct net_device));
printk(KERN_INFO "variable new_mtu = %d\n", new_mtu);
#endif
CLAW_DBF_TEXT(4,trace,"setmtu");
CLAW_DBF_TEXT(4, trace, "setmtu");
buff_size = privptr->p_env->write_size;
if ((new_mtu < 60) || (new_mtu > buff_size)) {
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Exit on line %d, rc=EINVAL\n",
dev->name,
__func__, __LINE__);
#endif
return -EINVAL;
}
dev->mtu = new_mtu;
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Exit on line %d\n",dev->name,
__func__, __LINE__);
#endif
return 0;
} /* end of claw_change_mtu */
......@@ -521,24 +433,13 @@ claw_open(struct net_device *dev)
struct timer_list timer;
struct ccwbk *p_buf;
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Enter \n",dev->name,__func__);
#endif
CLAW_DBF_TEXT(4,trace,"open");
if (!dev || (dev->name[0] == 0x00)) {
CLAW_DBF_TEXT(2,trace,"BadDev");
printk(KERN_WARNING "claw: Bad device at open failing \n");
return -ENODEV;
}
CLAW_DBF_TEXT(4, trace, "open");
privptr = (struct claw_privbk *)dev->priv;
/* allocate and initialize CCW blocks */
if (privptr->buffs_alloc == 0) {
rc=init_ccw_bk(dev);
if (rc) {
printk(KERN_INFO "%s:%s Exit on line %d, rc=ENOMEM\n",
dev->name,
__func__, __LINE__);
CLAW_DBF_TEXT(2,trace,"openmem");
CLAW_DBF_TEXT(2, trace, "openmem");
return -ENOMEM;
}
}
......@@ -557,7 +458,7 @@ claw_open(struct net_device *dev)
tasklet_init(&privptr->channel[READ].tasklet, claw_irq_tasklet,
(unsigned long) &privptr->channel[READ]);
for ( i = 0; i < 2; i++) {
CLAW_DBF_TEXT_(2,trace,"opn_ch%d",i);
CLAW_DBF_TEXT_(2, trace, "opn_ch%d", i);
init_waitqueue_head(&privptr->channel[i].wait);
/* skb_queue_head_init(&p_ch->io_queue); */
if (i == WRITE)
......@@ -595,15 +496,8 @@ claw_open(struct net_device *dev)
~(DEV_STAT_CHN_END | DEV_STAT_DEV_END)) != 0x00) ||
(((privptr->channel[READ].flag |
privptr->channel[WRITE].flag) & CLAW_TIMER) != 0x00)) {
#ifdef DEBUGMSG
printk(KERN_INFO "%s: channel problems during open - read:"
" %02x - write: %02x\n",
dev->name,
privptr->channel[READ].last_dstat,
privptr->channel[WRITE].last_dstat);
#endif
printk(KERN_INFO "%s: remote side is not ready\n", dev->name);
CLAW_DBF_TEXT(2,trace,"notrdy");
CLAW_DBF_TEXT(2, trace, "notrdy");
for ( i = 0; i < 2; i++) {
spin_lock_irqsave(
......@@ -659,23 +553,14 @@ claw_open(struct net_device *dev)
privptr->p_buff_read=NULL;
privptr->p_buff_write=NULL;
claw_clear_busy(dev);
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Exit on line %d, rc=EIO\n",
dev->name,__func__,__LINE__);
#endif
CLAW_DBF_TEXT(2,trace,"open EIO");
CLAW_DBF_TEXT(2, trace, "open EIO");
return -EIO;
}
/* Send SystemValidate command */
claw_clear_busy(dev);
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Exit on line %d, rc=0\n",
dev->name,__func__,__LINE__);
#endif
CLAW_DBF_TEXT(4,trace,"openok");
CLAW_DBF_TEXT(4, trace, "openok");
return 0;
} /* end of claw_open */
......@@ -694,22 +579,14 @@ claw_irq_handler(struct ccw_device *cdev,
struct claw_env *p_env;
struct chbk *p_ch_r=NULL;
#ifdef FUNCTRACE
printk(KERN_INFO "%s enter \n",__func__);
#endif
CLAW_DBF_TEXT(4,trace,"clawirq");
CLAW_DBF_TEXT(4, trace, "clawirq");
/* Bypass all 'unsolicited interrupts' */
if (!cdev->dev.driver_data) {
printk(KERN_WARNING "claw: unsolicited interrupt for device:"
"%s received c-%02x d-%02x\n",
cdev->dev.bus_id, irb->scsw.cmd.cstat,
irb->scsw.cmd.dstat);
#ifdef FUNCTRACE
printk(KERN_INFO "claw: %s() "
"exit on line %d\n",__func__,__LINE__);
#endif
CLAW_DBF_TEXT(2,trace,"badirq");
CLAW_DBF_TEXT(2, trace, "badirq");
return;
}
privptr = (struct claw_privbk *)cdev->dev.driver_data;
......@@ -722,41 +599,25 @@ claw_irq_handler(struct ccw_device *cdev,
else {
printk(KERN_WARNING "claw: Can't determine channel for "
"interrupt, device %s\n", cdev->dev.bus_id);
CLAW_DBF_TEXT(2,trace,"badchan");
CLAW_DBF_TEXT(2, trace, "badchan");
return;
}
CLAW_DBF_TEXT_(4,trace,"IRQCH=%d",p_ch->flag);
CLAW_DBF_TEXT_(4, trace, "IRQCH=%d", p_ch->flag);
dev = (struct net_device *) (p_ch->ndev);
p_env=privptr->p_env;
#ifdef IOTRACE
printk(KERN_INFO "%s: interrupt for device: %04x "
"received c-%02x d-%02x state-%02x\n",
dev->name, p_ch->devno, irb->scsw.cmd.cstat,
irb->scsw.cmd.dstat, p_ch->claw_state);
#endif
/* Copy interruption response block. */
memcpy(p_ch->irb, irb, sizeof(struct irb));
/* Check for good subchannel return code, otherwise error message */
/* Check for good subchannel return code, otherwise info message */
if (irb->scsw.cmd.cstat && !(irb->scsw.cmd.cstat & SCHN_STAT_PCI)) {
printk(KERN_INFO "%s: subchannel check for device: %04x -"
" Sch Stat %02x Dev Stat %02x CPA - %04x\n",
dev->name, p_ch->devno,
irb->scsw.cmd.cstat, irb->scsw.cmd.dstat,
irb->scsw.cmd.cpa);
#ifdef IOTRACE
dumpit((char *)irb,sizeof(struct irb));
dumpit((char *)(unsigned long)irb->scsw.cmd.cpa,
sizeof(struct ccw1));
#endif
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Exit on line %d\n",
dev->name,__func__,__LINE__);
#endif
CLAW_DBF_TEXT(2,trace,"chanchk");
CLAW_DBF_TEXT(2, trace, "chanchk");
/* return; */
}
......@@ -769,59 +630,26 @@ claw_irq_handler(struct ccw_device *cdev,
switch (p_ch->claw_state) {
case CLAW_STOP:/* HALT_IO by claw_release (halt sequence) */
#ifdef DEBUGMSG
printk(KERN_INFO "%s: CLAW_STOP enter\n", dev->name);
#endif
if (!((p_ch->irb->scsw.cmd.stctl &
SCSW_STCTL_SEC_STATUS) ||
(p_ch->irb->scsw.cmd.stctl ==
SCSW_STCTL_STATUS_PEND) ||
if (!((p_ch->irb->scsw.cmd.stctl & SCSW_STCTL_SEC_STATUS) ||
(p_ch->irb->scsw.cmd.stctl == SCSW_STCTL_STATUS_PEND) ||
(p_ch->irb->scsw.cmd.stctl ==
(SCSW_STCTL_ALERT_STATUS |
SCSW_STCTL_STATUS_PEND)))) {
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Exit on line %d\n",
dev->name,__func__,__LINE__);
#endif
(SCSW_STCTL_ALERT_STATUS | SCSW_STCTL_STATUS_PEND))))
return;
}
wake_up(&p_ch->wait); /* wake up claw_release */
#ifdef DEBUGMSG
printk(KERN_INFO "%s: CLAW_STOP exit\n", dev->name);
#endif
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Exit on line %d\n",
dev->name,__func__,__LINE__);
#endif
CLAW_DBF_TEXT(4,trace,"stop");
CLAW_DBF_TEXT(4, trace, "stop");
return;
case CLAW_START_HALT_IO: /* HALT_IO issued by claw_open */
#ifdef DEBUGMSG
printk(KERN_INFO "%s: process CLAW_STAT_HALT_IO\n",
dev->name);
#endif
if (!((p_ch->irb->scsw.cmd.stctl &
SCSW_STCTL_SEC_STATUS) ||
if (!((p_ch->irb->scsw.cmd.stctl & SCSW_STCTL_SEC_STATUS) ||
(p_ch->irb->scsw.cmd.stctl == SCSW_STCTL_STATUS_PEND) ||
(p_ch->irb->scsw.cmd.stctl ==
SCSW_STCTL_STATUS_PEND) ||
(p_ch->irb->scsw.cmd.stctl ==
(SCSW_STCTL_ALERT_STATUS |
SCSW_STCTL_STATUS_PEND)))) {
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Exit on line %d\n",
dev->name,__func__,__LINE__);
#endif
CLAW_DBF_TEXT(4,trace,"haltio");
(SCSW_STCTL_ALERT_STATUS | SCSW_STCTL_STATUS_PEND)))) {
CLAW_DBF_TEXT(4, trace, "haltio");
return;
}
if (p_ch->flag == CLAW_READ) {
p_ch->claw_state = CLAW_START_READ;
wake_up(&p_ch->wait); /* wake claw_open (READ)*/
}
else
if (p_ch->flag == CLAW_WRITE) {
} else if (p_ch->flag == CLAW_WRITE) {
p_ch->claw_state = CLAW_START_WRITE;
/* send SYSTEM_VALIDATE */
claw_strt_read(dev, LOCK_NO);
......@@ -829,7 +657,7 @@ claw_irq_handler(struct ccw_device *cdev,
SYSTEM_VALIDATE_REQUEST,
0, 0, 0,
p_env->host_name,
p_env->adapter_name );
p_env->adapter_name);
} else {
printk(KERN_WARNING "claw: unsolicited "
"interrupt for device:"
......@@ -839,95 +667,58 @@ claw_irq_handler(struct ccw_device *cdev,
irb->scsw.cmd.dstat);
return;
}
#ifdef DEBUGMSG
printk(KERN_INFO "%s: process CLAW_STAT_HALT_IO exit\n",
dev->name);
#endif
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Exit on line %d\n",
dev->name,__func__,__LINE__);
#endif
CLAW_DBF_TEXT(4,trace,"haltio");
CLAW_DBF_TEXT(4, trace, "haltio");
return;
case CLAW_START_READ:
CLAW_DBF_TEXT(4,trace,"ReadIRQ");
CLAW_DBF_TEXT(4, trace, "ReadIRQ");
if (p_ch->irb->scsw.cmd.dstat & DEV_STAT_UNIT_CHECK) {
clear_bit(0, (void *)&p_ch->IO_active);
if ((p_ch->irb->ecw[0] & 0x41) == 0x41 ||
(p_ch->irb->ecw[0] & 0x40) == 0x40 ||
(p_ch->irb->ecw[0]) == 0)
{
(p_ch->irb->ecw[0]) == 0) {
privptr->stats.rx_errors++;
printk(KERN_INFO "%s: Restart is "
"required after remote "
"side recovers \n",
dev->name);
}
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Exit on line %d\n",
dev->name,__func__,__LINE__);
#endif
CLAW_DBF_TEXT(4,trace,"notrdy");
CLAW_DBF_TEXT(4, trace, "notrdy");
return;
}
if ((p_ch->irb->scsw.cmd.cstat & SCHN_STAT_PCI) &&
(p_ch->irb->scsw.cmd.dstat == 0)) {
if (test_and_set_bit(CLAW_BH_ACTIVE,
(void *)&p_ch->flag_a) == 0) {
(void *)&p_ch->flag_a) == 0)
tasklet_schedule(&p_ch->tasklet);
}
else {
CLAW_DBF_TEXT(4,trace,"PCINoBH");
}
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Exit on line %d\n",
dev->name,__func__,__LINE__);
#endif
CLAW_DBF_TEXT(4,trace,"PCI_read");
else
CLAW_DBF_TEXT(4, trace, "PCINoBH");
CLAW_DBF_TEXT(4, trace, "PCI_read");
return;
}
if (!((p_ch->irb->scsw.cmd.stctl &
SCSW_STCTL_SEC_STATUS) ||
(p_ch->irb->scsw.cmd.stctl ==
SCSW_STCTL_STATUS_PEND) ||
if (!((p_ch->irb->scsw.cmd.stctl & SCSW_STCTL_SEC_STATUS) ||
(p_ch->irb->scsw.cmd.stctl == SCSW_STCTL_STATUS_PEND) ||
(p_ch->irb->scsw.cmd.stctl ==
(SCSW_STCTL_ALERT_STATUS |
SCSW_STCTL_STATUS_PEND)))) {
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Exit on line %d\n",
dev->name,__func__,__LINE__);
#endif
CLAW_DBF_TEXT(4,trace,"SPend_rd");
(SCSW_STCTL_ALERT_STATUS | SCSW_STCTL_STATUS_PEND)))) {
CLAW_DBF_TEXT(4, trace, "SPend_rd");
return;
}
clear_bit(0, (void *)&p_ch->IO_active);
claw_clearbit_busy(TB_RETRY,dev);
claw_clearbit_busy(TB_RETRY, dev);
if (test_and_set_bit(CLAW_BH_ACTIVE,
(void *)&p_ch->flag_a) == 0) {
(void *)&p_ch->flag_a) == 0)
tasklet_schedule(&p_ch->tasklet);
}
else {
CLAW_DBF_TEXT(4,trace,"RdBHAct");
}
#ifdef DEBUGMSG
printk(KERN_INFO "%s: process CLAW_START_READ exit\n",
dev->name);
#endif
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Exit on line %d\n",
dev->name,__func__,__LINE__);
#endif
CLAW_DBF_TEXT(4,trace,"RdIRQXit");
else
CLAW_DBF_TEXT(4, trace, "RdBHAct");
CLAW_DBF_TEXT(4, trace, "RdIRQXit");
return;
case CLAW_START_WRITE:
if (p_ch->irb->scsw.cmd.dstat & DEV_STAT_UNIT_CHECK) {
printk(KERN_INFO "%s: Unit Check Occured in "
"write channel\n",dev->name);
"write channel\n", dev->name);
clear_bit(0, (void *)&p_ch->IO_active);
if (p_ch->irb->ecw[0] & 0x80 ) {
if (p_ch->irb->ecw[0] & 0x80) {
printk(KERN_INFO "%s: Resetting Event "
"occurred:\n",dev->name);
"occurred:\n", dev->name);
init_timer(&p_ch->timer);
p_ch->timer.function =
(void *)claw_write_retry;
......@@ -935,13 +726,9 @@ claw_irq_handler(struct ccw_device *cdev,
p_ch->timer.expires = jiffies + 10*HZ;
add_timer(&p_ch->timer);
printk(KERN_INFO "%s: write connection "
"restarting\n",dev->name);
"restarting\n", dev->name);
}
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Exit on line %d\n",
dev->name,__func__,__LINE__);
#endif
CLAW_DBF_TEXT(4,trace,"rstrtwrt");
CLAW_DBF_TEXT(4, trace, "rstrtwrt");
return;
}
if (p_ch->irb->scsw.cmd.dstat & DEV_STAT_UNIT_EXCEP) {
......@@ -950,50 +737,29 @@ claw_irq_handler(struct ccw_device *cdev,
"Occured in write channel\n",
dev->name);
}
if (!((p_ch->irb->scsw.cmd.stctl &
SCSW_STCTL_SEC_STATUS) ||
if (!((p_ch->irb->scsw.cmd.stctl & SCSW_STCTL_SEC_STATUS) ||
(p_ch->irb->scsw.cmd.stctl == SCSW_STCTL_STATUS_PEND) ||
(p_ch->irb->scsw.cmd.stctl ==
SCSW_STCTL_STATUS_PEND) ||
(p_ch->irb->scsw.cmd.stctl ==
(SCSW_STCTL_ALERT_STATUS |
SCSW_STCTL_STATUS_PEND)))) {
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Exit on line %d\n",
dev->name,__func__,__LINE__);
#endif
CLAW_DBF_TEXT(4,trace,"writeUE");
(SCSW_STCTL_ALERT_STATUS | SCSW_STCTL_STATUS_PEND)))) {
CLAW_DBF_TEXT(4, trace, "writeUE");
return;
}
clear_bit(0, (void *)&p_ch->IO_active);
if (claw_test_and_setbit_busy(TB_TX,dev)==0) {
if (claw_test_and_setbit_busy(TB_TX, dev) == 0) {
claw_write_next(p_ch);
claw_clearbit_busy(TB_TX,dev);
claw_clearbit_busy(TB_TX, dev);
claw_clear_busy(dev);
}
p_ch_r=(struct chbk *)&privptr->channel[READ];
p_ch_r = (struct chbk *)&privptr->channel[READ];
if (test_and_set_bit(CLAW_BH_ACTIVE,
(void *)&p_ch_r->flag_a) == 0) {
(void *)&p_ch_r->flag_a) == 0)
tasklet_schedule(&p_ch_r->tasklet);
}
#ifdef DEBUGMSG
printk(KERN_INFO "%s: process CLAW_START_WRITE exit\n",
dev->name);
#endif
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Exit on line %d\n",
dev->name,__func__,__LINE__);
#endif
CLAW_DBF_TEXT(4,trace,"StWtExit");
CLAW_DBF_TEXT(4, trace, "StWtExit");
return;
default:
printk(KERN_WARNING "%s: wrong selection code - irq "
"state=%d\n",dev->name,p_ch->claw_state);
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Exit on line %d\n",
dev->name,__func__,__LINE__);
#endif
CLAW_DBF_TEXT(2,trace,"badIRQ");
"state=%d\n", dev->name, p_ch->claw_state);
CLAW_DBF_TEXT(2, trace, "badIRQ");
return;
}
......@@ -1013,29 +779,11 @@ claw_irq_tasklet ( unsigned long data )
p_ch = (struct chbk *) data;
dev = (struct net_device *)p_ch->ndev;
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Enter \n",dev->name,__func__);
#endif
#ifdef DEBUGMSG
printk(KERN_INFO "%s: variable p_ch =\n",dev->name);
dumpit((char *) p_ch, sizeof(struct chbk));
#endif
CLAW_DBF_TEXT(4,trace,"IRQtask");
CLAW_DBF_TEXT(4, trace, "IRQtask");
privptr = (struct claw_privbk *) dev->priv;
#ifdef DEBUGMSG
printk(KERN_INFO "%s: bh routine - state-%02x\n" ,
dev->name, p_ch->claw_state);
#endif
unpack_read(dev);
clear_bit(CLAW_BH_ACTIVE, (void *)&p_ch->flag_a);
CLAW_DBF_TEXT(4,trace,"TskletXt");
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Exit on line %d\n",
dev->name,__func__,__LINE__);
#endif
CLAW_DBF_TEXT(4, trace, "TskletXt");
return;
} /* end of claw_irq_bh */
......@@ -1060,16 +808,7 @@ claw_release(struct net_device *dev)
privptr = (struct claw_privbk *) dev->priv;
if (!privptr)
return 0;
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Enter \n",dev->name,__func__);
#endif
CLAW_DBF_TEXT(4,trace,"release");
#ifdef DEBUGMSG
printk(KERN_INFO "%s: variable dev =\n",dev->name);
dumpit((char *) dev, sizeof(struct net_device));
printk(KERN_INFO "Priv Buffalloc %d\n",privptr->buffs_alloc);
printk(KERN_INFO "Priv p_buff_ccw = %p\n",&privptr->p_buff_ccw);
#endif
CLAW_DBF_TEXT(4, trace, "release");
privptr->release_pend=1;
claw_setbit_busy(TB_STOP,dev);
for ( i = 1; i >=0 ; i--) {
......@@ -1101,19 +840,15 @@ claw_release(struct net_device *dev)
privptr->pk_skb = NULL;
}
if(privptr->buffs_alloc != 1) {
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Exit on line %d\n",
dev->name,__func__,__LINE__);
#endif
CLAW_DBF_TEXT(4,trace,"none2fre");
CLAW_DBF_TEXT(4, trace, "none2fre");
return 0;
}
CLAW_DBF_TEXT(4,trace,"freebufs");
CLAW_DBF_TEXT(4, trace, "freebufs");
if (privptr->p_buff_ccw != NULL) {
free_pages((unsigned long)privptr->p_buff_ccw,
(int)pages_to_order_of_mag(privptr->p_buff_ccw_num));
}
CLAW_DBF_TEXT(4,trace,"freeread");
CLAW_DBF_TEXT(4, trace, "freeread");
if (privptr->p_env->read_size < PAGE_SIZE) {
if (privptr->p_buff_read != NULL) {
free_pages((unsigned long)privptr->p_buff_read,
......@@ -1129,7 +864,7 @@ claw_release(struct net_device *dev)
p_buf=p_buf->next;
}
}
CLAW_DBF_TEXT(4,trace,"freewrit");
CLAW_DBF_TEXT(4, trace, "freewrit");
if (privptr->p_env->write_size < PAGE_SIZE ) {
free_pages((unsigned long)privptr->p_buff_write,
(int)pages_to_order_of_mag(privptr->p_buff_write_num));
......@@ -1143,7 +878,7 @@ claw_release(struct net_device *dev)
p_buf=p_buf->next;
}
}
CLAW_DBF_TEXT(4,trace,"clearptr");
CLAW_DBF_TEXT(4, trace, "clearptr");
privptr->buffs_alloc = 0;
privptr->p_buff_ccw=NULL;
privptr->p_buff_read=NULL;
......@@ -1180,18 +915,12 @@ claw_release(struct net_device *dev)
dev->name,
privptr->channel[READ].last_dstat,
privptr->channel[WRITE].last_dstat);
CLAW_DBF_TEXT(2,trace,"badclose");
CLAW_DBF_TEXT(2, trace, "badclose");
}
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Exit on line %d\n",
dev->name,__func__,__LINE__);
#endif
CLAW_DBF_TEXT(4,trace,"rlsexit");
CLAW_DBF_TEXT(4, trace, "rlsexit");
return 0;
} /* end of claw_release */
/*-------------------------------------------------------------------*
* claw_write_retry *
* *
......@@ -1203,32 +932,12 @@ claw_write_retry ( struct chbk *p_ch )
struct net_device *dev=p_ch->ndev;
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Enter\n",dev->name,__func__);
printk(KERN_INFO "claw: variable p_ch =\n");
dumpit((char *) p_ch, sizeof(struct chbk));
#endif
CLAW_DBF_TEXT(4,trace,"w_retry");
CLAW_DBF_TEXT(4, trace, "w_retry");
if (p_ch->claw_state == CLAW_STOP) {
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Exit on line %d\n",
dev->name,__func__,__LINE__);
#endif
return;
}
#ifdef DEBUGMSG
printk( KERN_INFO "%s:%s state-%02x\n" ,
dev->name,
__func__,
p_ch->claw_state);
#endif
claw_strt_out_IO( dev );
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Exit on line %d\n",
dev->name,__func__,__LINE__);
#endif
CLAW_DBF_TEXT(4,trace,"rtry_xit");
CLAW_DBF_TEXT(4, trace, "rtry_xit");
return;
} /* end of claw_write_retry */
......@@ -1247,12 +956,7 @@ claw_write_next ( struct chbk * p_ch )
struct sk_buff *pk_skb;
int rc;
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Enter \n",p_ch->ndev->name,__func__);
printk(KERN_INFO "%s: variable p_ch =\n",p_ch->ndev->name);
dumpit((char *) p_ch, sizeof(struct chbk));
#endif
CLAW_DBF_TEXT(4,trace,"claw_wrt");
CLAW_DBF_TEXT(4, trace, "claw_wrt");
if (p_ch->claw_state == CLAW_STOP)
return;
dev = (struct net_device *) p_ch->ndev;
......@@ -1272,11 +976,6 @@ claw_write_next ( struct chbk * p_ch )
if (privptr->p_write_active_first!=NULL) {
claw_strt_out_IO(dev);
}
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Exit on line %d\n",
dev->name,__func__,__LINE__);
#endif
return;
} /* end of claw_write_next */
......@@ -1288,22 +987,12 @@ claw_write_next ( struct chbk * p_ch )
static void
claw_timer ( struct chbk * p_ch )
{
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Entry\n",p_ch->ndev->name,__func__);
printk(KERN_INFO "%s: variable p_ch =\n",p_ch->ndev->name);
dumpit((char *) p_ch, sizeof(struct chbk));
#endif
CLAW_DBF_TEXT(4,trace,"timer");
CLAW_DBF_TEXT(4, trace, "timer");
p_ch->flag |= CLAW_TIMER;
wake_up(&p_ch->wait);
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Exit on line %d\n",
p_ch->ndev->name,__func__,__LINE__);
#endif
return;
} /* end of claw_timer */
/*
*
* functions
......@@ -1324,10 +1013,8 @@ pages_to_order_of_mag(int num_of_pages)
{
int order_of_mag=1; /* assume 2 pages */
int nump=2;
#ifdef FUNCTRACE
printk(KERN_INFO "%s Enter pages = %d \n",__func__,num_of_pages);
#endif
CLAW_DBF_TEXT_(5,trace,"pages%d",num_of_pages);
CLAW_DBF_TEXT_(5, trace, "pages%d", num_of_pages);
if (num_of_pages == 1) {return 0; } /* magnitude of 0 = 1 page */
/* 512 pages = 2Meg on 4k page systems */
if (num_of_pages >= 512) {return 9; }
......@@ -1338,11 +1025,7 @@ pages_to_order_of_mag(int num_of_pages)
order_of_mag +=1;
}
if (order_of_mag > 9) { order_of_mag = 9; } /* I know it's paranoid */
#ifdef FUNCTRACE
printk(KERN_INFO "%s Exit on line %d, order = %d\n",
__func__,__LINE__, order_of_mag);
#endif
CLAW_DBF_TEXT_(5,trace,"mag%d",order_of_mag);
CLAW_DBF_TEXT_(5, trace, "mag%d", order_of_mag);
return order_of_mag;
}
......@@ -1358,21 +1041,7 @@ add_claw_reads(struct net_device *dev, struct ccwbk* p_first,
struct claw_privbk *privptr;
struct ccw1 temp_ccw;
struct endccw * p_end;
#ifdef IOTRACE
struct ccwbk* p_buf;
#endif
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Enter \n",dev->name,__func__);
#endif
#ifdef DEBUGMSG
printk(KERN_INFO "dev\n");
dumpit((char *) dev, sizeof(struct net_device));
printk(KERN_INFO "p_first\n");
dumpit((char *) p_first, sizeof(struct ccwbk));
printk(KERN_INFO "p_last\n");
dumpit((char *) p_last, sizeof(struct ccwbk));
#endif
CLAW_DBF_TEXT(4,trace,"addreads");
CLAW_DBF_TEXT(4, trace, "addreads");
privptr = dev->priv;
p_end = privptr->p_end_ccw;
......@@ -1380,11 +1049,7 @@ add_claw_reads(struct net_device *dev, struct ccwbk* p_first,
* to apend the running channel programs
*/
if ( p_first==NULL) {
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Exit on line %d\n",
dev->name,__func__,__LINE__);
#endif
CLAW_DBF_TEXT(4,trace,"addexit");
CLAW_DBF_TEXT(4, trace, "addexit");
return 0;
}
......@@ -1411,21 +1076,11 @@ add_claw_reads(struct net_device *dev, struct ccwbk* p_first,
}
if ( privptr-> p_read_active_first ==NULL ) {
#ifdef DEBUGMSG
printk(KERN_INFO "%s:%s p_read_active_first == NULL \n",
dev->name,__func__);
printk(KERN_INFO "%s:%s Read active first/last changed \n",
dev->name,__func__);
#endif
privptr-> p_read_active_first= p_first; /* set new first */
privptr-> p_read_active_last = p_last; /* set new last */
}
else {
#ifdef DEBUGMSG
printk(KERN_INFO "%s:%s Read in progress \n",
dev->name,__func__);
#endif
/* set up TIC ccw */
temp_ccw.cda= (__u32)__pa(&p_first->read);
temp_ccw.count=0;
......@@ -1462,27 +1117,7 @@ add_claw_reads(struct net_device *dev, struct ccwbk* p_first,
privptr->p_read_active_last->next = p_first;
privptr->p_read_active_last=p_last;
} /* end of if ( privptr-> p_read_active_first ==NULL) */
#ifdef IOTRACE
printk(KERN_INFO "%s:%s dump p_last CCW BK \n",dev->name,__func__);
dumpit((char *)p_last, sizeof(struct ccwbk));
printk(KERN_INFO "%s:%s dump p_end CCW BK \n",dev->name,__func__);
dumpit((char *)p_end, sizeof(struct endccw));
printk(KERN_INFO "%s:%s dump p_first CCW BK \n",dev->name,__func__);
dumpit((char *)p_first, sizeof(struct ccwbk));
printk(KERN_INFO "%s:%s Dump Active CCW chain \n",
dev->name,__func__);
p_buf=privptr->p_read_active_first;
while (p_buf!=NULL) {
dumpit((char *)p_buf, sizeof(struct ccwbk));
p_buf=p_buf->next;
}
#endif
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Exit on line %d\n",
dev->name,__func__,__LINE__);
#endif
CLAW_DBF_TEXT(4,trace,"addexit");
CLAW_DBF_TEXT(4, trace, "addexit");
return 0;
} /* end of add_claw_reads */
......@@ -1494,21 +1129,10 @@ add_claw_reads(struct net_device *dev, struct ccwbk* p_first,
static void
ccw_check_return_code(struct ccw_device *cdev, int return_code)
{
#ifdef FUNCTRACE
printk(KERN_INFO "%s: %s() > enter \n",
cdev->dev.bus_id,__func__);
#endif
CLAW_DBF_TEXT(4,trace,"ccwret");
#ifdef DEBUGMSG
printk(KERN_INFO "variable cdev =\n");
dumpit((char *) cdev, sizeof(struct ccw_device));
printk(KERN_INFO "variable return_code = %d\n",return_code);
#endif
CLAW_DBF_TEXT(4, trace, "ccwret");
if (return_code != 0) {
switch (return_code) {
case -EBUSY:
printk(KERN_INFO "%s: Busy !\n",
cdev->dev.bus_id);
case -EBUSY: /* BUSY is a transient state no action needed */
break;
case -ENODEV:
printk(KERN_EMERG "%s: Missing device called "
......@@ -1527,11 +1151,7 @@ ccw_check_return_code(struct ccw_device *cdev, int return_code)
"Do_IO %d\n",cdev->dev.bus_id, return_code);
}
}
#ifdef FUNCTRACE
printk(KERN_INFO "%s: %s() > exit on line %d\n",
cdev->dev.bus_id,__func__,__LINE__);
#endif
CLAW_DBF_TEXT(4,trace,"ccwret");
CLAW_DBF_TEXT(4, trace, "ccwret");
} /* end of ccw_check_return_code */
/*-------------------------------------------------------------------*
......@@ -1541,173 +1161,46 @@ ccw_check_return_code(struct ccw_device *cdev, int return_code)
static void
ccw_check_unit_check(struct chbk * p_ch, unsigned char sense )
{
struct net_device *dev = p_ch->ndev;
#ifdef FUNCTRACE
printk(KERN_INFO "%s: %s() > enter\n",dev->name,__func__);
#endif
#ifdef DEBUGMSG
printk(KERN_INFO "%s: variable dev =\n",dev->name);
dumpit((char *)dev, sizeof(struct net_device));
printk(KERN_INFO "%s: variable sense =\n",dev->name);
dumpit((char *)&sense, 2);
#endif
CLAW_DBF_TEXT(4,trace,"unitchek");
struct net_device *ndev = p_ch->ndev;
CLAW_DBF_TEXT(4, trace, "unitchek");
printk(KERN_INFO "%s: Unit Check with sense byte:0x%04x\n",
dev->name, sense);
ndev->name, sense);
if (sense & 0x40) {
if (sense & 0x01) {
printk(KERN_WARNING "%s: Interface disconnect or "
"Selective reset "
"occurred (remote side)\n", dev->name);
"occurred (remote side)\n", ndev->name);
}
else {
printk(KERN_WARNING "%s: System reset occured"
" (remote side)\n", dev->name);
" (remote side)\n", ndev->name);
}
}
else if (sense & 0x20) {
if (sense & 0x04) {
printk(KERN_WARNING "%s: Data-streaming "
"timeout)\n", dev->name);
"timeout)\n", ndev->name);
}
else {
printk(KERN_WARNING "%s: Data-transfer parity"
" error\n", dev->name);
" error\n", ndev->name);
}
}
else if (sense & 0x10) {
if (sense & 0x20) {
printk(KERN_WARNING "%s: Hardware malfunction "
"(remote side)\n", dev->name);
"(remote side)\n", ndev->name);
}
else {
printk(KERN_WARNING "%s: read-data parity error "
"(remote side)\n", dev->name);
"(remote side)\n", ndev->name);
}
}
#ifdef FUNCTRACE
printk(KERN_INFO "%s: %s() exit on line %d\n",
dev->name,__func__,__LINE__);
#endif
} /* end of ccw_check_unit_check */
/*-------------------------------------------------------------------*
* Dump buffer format *
* *
*--------------------------------------------------------------------*/
#ifdef DEBUG
static void
dumpit(char* buf, int len)
{
__u32 ct, sw, rm, dup;
char *ptr, *rptr;
char tbuf[82], tdup[82];
#if (CONFIG_64BIT)
char addr[22];
#else
char addr[12];
#endif
char boff[12];
char bhex[82], duphex[82];
char basc[40];
sw = 0;
rptr =ptr=buf;
rm = 16;
duphex[0] = 0x00;
dup = 0;
for ( ct=0; ct < len; ct++, ptr++, rptr++ ) {
if (sw == 0) {
#if (CONFIG_64BIT)
sprintf(addr, "%16.16lX",(unsigned long)rptr);
#else
sprintf(addr, "%8.8X",(__u32)rptr);
#endif
sprintf(boff, "%4.4X", (__u32)ct);
bhex[0] = '\0';
basc[0] = '\0';
}
if ((sw == 4) || (sw == 12)) {
strcat(bhex, " ");
}
if (sw == 8) {
strcat(bhex, " ");
}
#if (CONFIG_64BIT)
sprintf(tbuf,"%2.2lX", (unsigned long)*ptr);
#else
sprintf(tbuf,"%2.2X", (__u32)*ptr);
#endif
tbuf[2] = '\0';
strcat(bhex, tbuf);
if ((0!=isprint(*ptr)) && (*ptr >= 0x20)) {
basc[sw] = *ptr;
}
else {
basc[sw] = '.';
}
basc[sw+1] = '\0';
sw++;
rm--;
if (sw==16) {
if ((strcmp(duphex, bhex)) !=0) {
if (dup !=0) {
sprintf(tdup,"Duplicate as above to"
" %s", addr);
printk( KERN_INFO " "
" --- %s ---\n",tdup);
}
printk( KERN_INFO " %s (+%s) : %s [%s]\n",
addr, boff, bhex, basc);
dup = 0;
strcpy(duphex, bhex);
}
else {
dup++;
}
sw = 0;
rm = 16;
}
} /* endfor */
if (sw != 0) {
for ( ; rm > 0; rm--, sw++ ) {
if ((sw==4) || (sw==12)) strcat(bhex, " ");
if (sw==8) strcat(bhex, " ");
strcat(bhex, " ");
strcat(basc, " ");
}
if (dup !=0) {
sprintf(tdup,"Duplicate as above to %s", addr);
printk( KERN_INFO " --- %s ---\n",
tdup);
}
printk( KERN_INFO " %s (+%s) : %s [%s]\n",
addr, boff, bhex, basc);
}
else {
if (dup >=1) {
sprintf(tdup,"Duplicate as above to %s", addr);
printk( KERN_INFO " --- %s ---\n",
tdup);
}
if (dup !=0) {
printk( KERN_INFO " %s (+%s) : %s [%s]\n",
addr, boff, bhex, basc);
}
}
return;
} /* end of dumpit */
#endif
/*-------------------------------------------------------------------*
* find_link *
*--------------------------------------------------------------------*/
......@@ -1718,16 +1211,7 @@ find_link(struct net_device *dev, char *host_name, char *ws_name )
struct claw_env *p_env;
int rc=0;
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s > enter \n",dev->name,__func__);
#endif
CLAW_DBF_TEXT(2,setup,"findlink");
#ifdef DEBUGMSG
printk(KERN_INFO "%s: variable dev = \n",dev->name);
dumpit((char *) dev, sizeof(struct net_device));
printk(KERN_INFO "%s: variable host_name = %s\n",dev->name, host_name);
printk(KERN_INFO "%s: variable ws_name = %s\n",dev->name, ws_name);
#endif
CLAW_DBF_TEXT(2, setup, "findlink");
privptr=dev->priv;
p_env=privptr->p_env;
switch (p_env->packing)
......@@ -1750,10 +1234,6 @@ find_link(struct net_device *dev, char *host_name, char *ws_name )
break;
}
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Exit on line %d\n",
dev->name,__func__,__LINE__);
#endif
return 0;
} /* end of find_link */
......@@ -1782,27 +1262,11 @@ claw_hw_tx(struct sk_buff *skb, struct net_device *dev, long linkid)
int lock;
struct clawph *pk_head;
struct chbk *ch;
#ifdef IOTRACE
struct ccwbk *p_buf;
#endif
#ifdef FUNCTRACE
printk(KERN_INFO "%s: %s() > enter\n",dev->name,__func__);
#endif
CLAW_DBF_TEXT(4,trace,"hw_tx");
#ifdef DEBUGMSG
printk(KERN_INFO "%s: variable dev skb =\n",dev->name);
dumpit((char *) skb, sizeof(struct sk_buff));
printk(KERN_INFO "%s: variable dev =\n",dev->name);
dumpit((char *) dev, sizeof(struct net_device));
printk(KERN_INFO "%s: variable linkid = %ld\n",dev->name,linkid);
#endif
CLAW_DBF_TEXT(4, trace, "hw_tx");
privptr = (struct claw_privbk *) (dev->priv);
p_ch=(struct chbk *)&privptr->channel[WRITE];
p_env =privptr->p_env;
#ifdef IOTRACE
printk(KERN_INFO "%s: %s() dump sk_buff \n",dev->name,__func__);
dumpit((char *)skb ,sizeof(struct sk_buff));
#endif
claw_free_wrt_buf(dev); /* Clean up free chain if posible */
/* scan the write queue to free any completed write packets */
p_first_ccw=NULL;
......@@ -1834,11 +1298,6 @@ claw_hw_tx(struct sk_buff *skb, struct net_device *dev, long linkid)
claw_strt_out_IO(dev );
claw_free_wrt_buf( dev );
if (privptr->write_free_count==0) {
#ifdef IOTRACE
printk(KERN_INFO "%s: "
"(claw_check_busy) no free write "
"buffers\n", dev->name);
#endif
ch = &privptr->channel[WRITE];
atomic_inc(&skb->users);
skb_queue_tail(&ch->collect_queue, skb);
......@@ -1851,10 +1310,6 @@ claw_hw_tx(struct sk_buff *skb, struct net_device *dev, long linkid)
}
/* tx lock */
if (claw_test_and_setbit_busy(TB_TX,dev)) { /* set to busy */
#ifdef DEBUGMSG
printk(KERN_INFO "%s: busy (claw_test_and_setbit_"
"busy)\n", dev->name);
#endif
ch = &privptr->channel[WRITE];
atomic_inc(&skb->users);
skb_queue_tail(&ch->collect_queue, skb);
......@@ -1871,28 +1326,16 @@ claw_hw_tx(struct sk_buff *skb, struct net_device *dev, long linkid)
privptr->p_write_free_chain == NULL ) {
claw_setbit_busy(TB_NOBUFFER,dev);
#ifdef DEBUGMSG
printk(KERN_INFO "%s: busy (claw_setbit_busy"
"(TB_NOBUFFER))\n", dev->name);
printk(KERN_INFO " free_count: %d, numBuffers : %d\n",
(int)privptr->write_free_count,(int) numBuffers );
#endif
ch = &privptr->channel[WRITE];
atomic_inc(&skb->users);
skb_queue_tail(&ch->collect_queue, skb);
CLAW_DBF_TEXT(2,trace,"clawbusy");
CLAW_DBF_TEXT(2, trace, "clawbusy");
goto Done2;
}
pDataAddress=skb->data;
len_of_data=skb->len;
while (len_of_data > 0) {
#ifdef DEBUGMSG
printk(KERN_INFO "%s: %s() length-of-data is %ld \n",
dev->name ,__func__,len_of_data);
dumpit((char *)pDataAddress ,64);
#endif
p_this_ccw=privptr->p_write_free_chain; /* get a block */
if (p_this_ccw == NULL) { /* lost the race */
ch = &privptr->channel[WRITE];
......@@ -1924,12 +1367,6 @@ claw_hw_tx(struct sk_buff *skb, struct net_device *dev, long linkid)
(__u32)__pa(&p_this_ccw->write);
}
p_last_ccw=p_this_ccw; /* save new last block */
#ifdef IOTRACE
printk(KERN_INFO "%s: %s() > CCW and Buffer %ld bytes long \n",
dev->name,__func__,bytesInThisBuffer);
dumpit((char *)p_this_ccw, sizeof(struct ccwbk));
dumpit((char *)p_this_ccw->p_buffer, 64);
#endif
}
/* FirstCCW and LastCCW now contain a new set of write channel
......@@ -1962,13 +1399,11 @@ claw_hw_tx(struct sk_buff *skb, struct net_device *dev, long linkid)
pEnd->write1_nop2.count=1;
} /* end if if (pEnd->write1) */
if (privptr->p_write_active_first==NULL ) {
privptr->p_write_active_first=p_first_ccw;
privptr->p_write_active_last=p_last_ccw;
}
else {
/* set up Tic CCWs */
tempCCW.cda=(__u32)__pa(&p_first_ccw->write);
......@@ -2007,19 +1442,6 @@ claw_hw_tx(struct sk_buff *skb, struct net_device *dev, long linkid)
}
} /* endif (p_first_ccw!=NULL) */
#ifdef IOTRACE
printk(KERN_INFO "%s: %s() > Dump Active CCW chain \n",
dev->name,__func__);
p_buf=privptr->p_write_active_first;
while (p_buf!=NULL) {
dumpit((char *)p_buf, sizeof(struct ccwbk));
p_buf=p_buf->next;
}
p_buf=(struct ccwbk*)privptr->p_end_ccw;
dumpit((char *)p_buf, sizeof(struct endccw));
#endif
dev_kfree_skb_any(skb);
if (linkid==0) {
lock=LOCK_NO;
......@@ -2029,21 +1451,12 @@ claw_hw_tx(struct sk_buff *skb, struct net_device *dev, long linkid)
}
claw_strt_out_IO(dev );
/* if write free count is zero , set NOBUFFER */
#ifdef DEBUGMSG
printk(KERN_INFO "%s: %s() > free_count is %d\n",
dev->name,__func__,
(int) privptr->write_free_count );
#endif
if (privptr->write_free_count==0) {
claw_setbit_busy(TB_NOBUFFER,dev);
}
Done2:
claw_clearbit_busy(TB_TX,dev);
Done:
#ifdef FUNCTRACE
printk(KERN_INFO "%s: %s() > exit on line %d, rc = %d \n",
dev->name,__func__,__LINE__, rc);
#endif
return(rc);
} /* end of claw_hw_tx */
......@@ -2075,14 +1488,7 @@ init_ccw_bk(struct net_device *dev)
struct clawh *pClawH=NULL;
addr_t real_TIC_address;
int i,j;
#ifdef FUNCTRACE
printk(KERN_INFO "%s: %s() enter \n",dev->name,__func__);
#endif
CLAW_DBF_TEXT(4,trace,"init_ccw");
#ifdef DEBUGMSG
printk(KERN_INFO "%s: variable dev =\n",dev->name);
dumpit((char *) dev, sizeof(struct net_device));
#endif
CLAW_DBF_TEXT(4, trace, "init_ccw");
/* initialize statistics field */
privptr->active_link_ID=0;
......@@ -2107,20 +1513,6 @@ init_ccw_bk(struct net_device *dev)
*/
ccw_blocks_required =
privptr->p_env->read_buffers+privptr->p_env->write_buffers+1;
#ifdef DEBUGMSG
printk(KERN_INFO "%s: %s() "
"ccw_blocks_required=%d\n",
dev->name,__func__,
ccw_blocks_required);
printk(KERN_INFO "%s: %s() "
"PAGE_SIZE=0x%x\n",
dev->name,__func__,
(unsigned int)PAGE_SIZE);
printk(KERN_INFO "%s: %s() > "
"PAGE_MASK=0x%x\n",
dev->name,__func__,
(unsigned int)PAGE_MASK);
#endif
/*
* compute number of CCW blocks that will fit in a page
*/
......@@ -2128,14 +1520,6 @@ init_ccw_bk(struct net_device *dev)
ccw_pages_required=
DIV_ROUND_UP(ccw_blocks_required, ccw_blocks_perpage);
#ifdef DEBUGMSG
printk(KERN_INFO "%s: %s() > ccw_blocks_perpage=%d\n",
dev->name,__func__,
ccw_blocks_perpage);
printk(KERN_INFO "%s: %s() > ccw_pages_required=%d\n",
dev->name,__func__,
ccw_pages_required);
#endif
/*
* read and write sizes are set by 2 constants in claw.h
* 4k and 32k. Unpacked values other than 4k are not going to
......@@ -2166,36 +1550,6 @@ init_ccw_bk(struct net_device *dev)
claw_write_pages = privptr->p_env->write_buffers *
privptr->p_buff_pages_perwrite;
}
#ifdef DEBUGMSG
if (privptr->p_env->read_size < PAGE_SIZE) {
printk(KERN_INFO "%s: %s() reads_perpage=%d\n",
dev->name,__func__,
claw_reads_perpage);
}
else {
printk(KERN_INFO "%s: %s() pages_perread=%d\n",
dev->name,__func__,
privptr->p_buff_pages_perread);
}
printk(KERN_INFO "%s: %s() read_pages=%d\n",
dev->name,__func__,
claw_read_pages);
if (privptr->p_env->write_size < PAGE_SIZE) {
printk(KERN_INFO "%s: %s() writes_perpage=%d\n",
dev->name,__func__,
claw_writes_perpage);
}
else {
printk(KERN_INFO "%s: %s() pages_perwrite=%d\n",
dev->name,__func__,
privptr->p_buff_pages_perwrite);
}
printk(KERN_INFO "%s: %s() write_pages=%d\n",
dev->name,__func__,
claw_write_pages);
#endif
/*
* allocate ccw_pages_required
*/
......@@ -2204,17 +1558,6 @@ init_ccw_bk(struct net_device *dev)
(void *)__get_free_pages(__GFP_DMA,
(int)pages_to_order_of_mag(ccw_pages_required ));
if (privptr->p_buff_ccw==NULL) {
printk(KERN_INFO "%s: %s() "
"__get_free_pages for CCWs failed : "
"pages is %d\n",
dev->name,__func__,
ccw_pages_required );
#ifdef FUNCTRACE
printk(KERN_INFO "%s: %s() > "
"exit on line %d, rc = ENOMEM\n",
dev->name,__func__,
__LINE__);
#endif
return -ENOMEM;
}
privptr->p_buff_ccw_num=ccw_pages_required;
......@@ -2229,11 +1572,6 @@ init_ccw_bk(struct net_device *dev)
privptr->p_end_ccw = (struct endccw *)&privptr->end_ccw;
real_address = (__u32)__pa(privptr->p_end_ccw);
/* Initialize ending CCW block */
#ifdef DEBUGMSG
printk(KERN_INFO "%s: %s() begin initialize ending CCW blocks\n",
dev->name,__func__);
#endif
p_endccw=privptr->p_end_ccw;
p_endccw->real=real_address;
p_endccw->write1=0x00;
......@@ -2287,21 +1625,10 @@ init_ccw_bk(struct net_device *dev)
p_endccw->read2_nop2.count = 1;
p_endccw->read2_nop2.cda = 0;
#ifdef IOTRACE
printk(KERN_INFO "%s: %s() dump claw ending CCW BK \n",
dev->name,__func__);
dumpit((char *)p_endccw, sizeof(struct endccw));
#endif
/*
* Build a chain of CCWs
*
*/
#ifdef DEBUGMSG
printk(KERN_INFO "%s: %s() Begin build a chain of CCW buffer \n",
dev->name,__func__);
#endif
p_buff=privptr->p_buff_ccw;
p_free_chain=NULL;
......@@ -2316,26 +1643,10 @@ init_ccw_bk(struct net_device *dev)
}
p_buff+=PAGE_SIZE;
}
#ifdef DEBUGMSG
printk(KERN_INFO "%s: %s() "
"End build a chain of CCW buffer \n",
dev->name,__func__);
p_buf=p_free_chain;
while (p_buf!=NULL) {
dumpit((char *)p_buf, sizeof(struct ccwbk));
p_buf=p_buf->next;
}
#endif
/*
* Initialize ClawSignalBlock
*
*/
#ifdef DEBUGMSG
printk(KERN_INFO "%s: %s() "
"Begin initialize ClawSignalBlock \n",
dev->name,__func__);
#endif
if (privptr->p_claw_signal_blk==NULL) {
privptr->p_claw_signal_blk=p_free_chain;
p_free_chain=p_free_chain->next;
......@@ -2344,12 +1655,6 @@ init_ccw_bk(struct net_device *dev)
pClawH->opcode=0xff;
pClawH->flag=CLAW_BUSY;
}
#ifdef DEBUGMSG
printk(KERN_INFO "%s: %s() > End initialize "
"ClawSignalBlock\n",
dev->name,__func__);
dumpit((char *)privptr->p_claw_signal_blk, sizeof(struct ccwbk));
#endif
/*
* allocate write_pages_required and add to free chain
......@@ -2360,17 +1665,7 @@ init_ccw_bk(struct net_device *dev)
(void *)__get_free_pages(__GFP_DMA,
(int)pages_to_order_of_mag(claw_write_pages ));
if (privptr->p_buff_write==NULL) {
printk(KERN_INFO "%s: %s() __get_free_pages for write"
" bufs failed : get is for %d pages\n",
dev->name,__func__,claw_write_pages );
free_pages((unsigned long)privptr->p_buff_ccw,
(int)pages_to_order_of_mag(privptr->p_buff_ccw_num));
privptr->p_buff_ccw=NULL;
#ifdef FUNCTRACE
printk(KERN_INFO "%s: %s() > exit on line %d,"
"rc = ENOMEM\n",
dev->name,__func__,__LINE__);
#endif
return -ENOMEM;
}
/*
......@@ -2380,10 +1675,6 @@ init_ccw_bk(struct net_device *dev)
memset(privptr->p_buff_write, 0x00,
ccw_pages_required * PAGE_SIZE);
#ifdef DEBUGMSG
printk(KERN_INFO "%s: %s() Begin build claw write free "
"chain \n",dev->name,__func__);
#endif
privptr->p_write_free_chain=NULL;
p_buff=privptr->p_buff_write;
......@@ -2419,18 +1710,7 @@ init_ccw_bk(struct net_device *dev)
p_buff=(void *)__get_free_pages(__GFP_DMA,
(int)pages_to_order_of_mag(
privptr->p_buff_pages_perwrite) );
#ifdef IOTRACE
printk(KERN_INFO "%s:%s __get_free_pages "
"for writes buf: get for %d pages\n",
dev->name,__func__,
privptr->p_buff_pages_perwrite);
#endif
if (p_buff==NULL) {
printk(KERN_INFO "%s:%s __get_free_pages "
"for writes buf failed : get is for %d pages\n",
dev->name,
__func__,
privptr->p_buff_pages_perwrite );
free_pages((unsigned long)privptr->p_buff_ccw,
(int)pages_to_order_of_mag(
privptr->p_buff_ccw_num));
......@@ -2443,12 +1723,6 @@ init_ccw_bk(struct net_device *dev)
privptr->p_buff_pages_perwrite));
p_buf=p_buf->next;
}
#ifdef FUNCTRACE
printk(KERN_INFO "%s: %s exit on line %d, rc = ENOMEM\n",
dev->name,
__func__,
__LINE__);
#endif
return -ENOMEM;
} /* Error on get_pages */
memset(p_buff, 0x00, privptr->p_env->write_size );
......@@ -2477,15 +1751,6 @@ init_ccw_bk(struct net_device *dev)
privptr->write_free_count=privptr->p_env->write_buffers;
#ifdef DEBUGMSG
printk(KERN_INFO "%s:%s End build claw write free chain \n",
dev->name,__func__);
p_buf=privptr->p_write_free_chain;
while (p_buf!=NULL) {
dumpit((char *)p_buf, sizeof(struct ccwbk));
p_buf=p_buf->next;
}
#endif
/*
* allocate read_pages_required and chain to free chain
*/
......@@ -2495,10 +1760,6 @@ init_ccw_bk(struct net_device *dev)
(void *)__get_free_pages(__GFP_DMA,
(int)pages_to_order_of_mag(claw_read_pages) );
if (privptr->p_buff_read==NULL) {
printk(KERN_INFO "%s: %s() "
"__get_free_pages for read buf failed : "
"get is for %d pages\n",
dev->name,__func__,claw_read_pages );
free_pages((unsigned long)privptr->p_buff_ccw,
(int)pages_to_order_of_mag(
privptr->p_buff_ccw_num));
......@@ -2508,10 +1769,6 @@ init_ccw_bk(struct net_device *dev)
privptr->p_buff_write_num));
privptr->p_buff_ccw=NULL;
privptr->p_buff_write=NULL;
#ifdef FUNCTRACE
printk(KERN_INFO "%s: %s() > exit on line %d, rc ="
" ENOMEM\n",dev->name,__func__,__LINE__);
#endif
return -ENOMEM;
}
memset(privptr->p_buff_read, 0x00, claw_read_pages * PAGE_SIZE);
......@@ -2520,10 +1777,6 @@ init_ccw_bk(struct net_device *dev)
* Build CLAW read free chain
*
*/
#ifdef DEBUGMSG
printk(KERN_INFO "%s: %s() Begin build claw read free chain \n",
dev->name,__func__);
#endif
p_buff=privptr->p_buff_read;
for (i=0 ; i< privptr->p_env->read_buffers ; i++) {
p_buf = p_free_chain;
......@@ -2600,19 +1853,10 @@ init_ccw_bk(struct net_device *dev)
} /* for read_buffers */
} /* read_size < PAGE_SIZE */
else { /* read Size >= PAGE_SIZE */
#ifdef DEBUGMSG
printk(KERN_INFO "%s: %s() Begin build claw read free chain \n",
dev->name,__func__);
#endif
for (i=0 ; i< privptr->p_env->read_buffers ; i++) {
p_buff = (void *)__get_free_pages(__GFP_DMA,
(int)pages_to_order_of_mag(privptr->p_buff_pages_perread) );
if (p_buff==NULL) {
printk(KERN_INFO "%s: %s() __get_free_pages for read "
"buf failed : get is for %d pages\n",
dev->name,__func__,
privptr->p_buff_pages_perread );
free_pages((unsigned long)privptr->p_buff_ccw,
(int)pages_to_order_of_mag(privptr->p_buff_ccw_num));
/* free the write pages */
......@@ -2633,11 +1877,6 @@ init_ccw_bk(struct net_device *dev)
}
privptr->p_buff_ccw=NULL;
privptr->p_buff_write=NULL;
#ifdef FUNCTRACE
printk(KERN_INFO "%s: %s() exit on line %d, rc = ENOMEM\n",
dev->name,__func__,
__LINE__);
#endif
return -ENOMEM;
}
memset(p_buff, 0x00, privptr->p_env->read_size);
......@@ -2706,22 +1945,9 @@ init_ccw_bk(struct net_device *dev)
} /* For read_buffers */
} /* read_size >= PAGE_SIZE */
} /* pBuffread = NULL */
#ifdef DEBUGMSG
printk(KERN_INFO "%s: %s() > End build claw read free chain \n",
dev->name,__func__);
p_buf=p_first_CCWB;
while (p_buf!=NULL) {
dumpit((char *)p_buf, sizeof(struct ccwbk));
p_buf=p_buf->next;
}
#endif
add_claw_reads( dev ,p_first_CCWB , p_last_CCWB);
privptr->buffs_alloc = 1;
#ifdef FUNCTRACE
printk(KERN_INFO "%s: %s() exit on line %d\n",
dev->name,__func__,__LINE__);
#endif
return 0;
} /* end of init_ccw_bk */
......@@ -2735,14 +1961,8 @@ static void
probe_error( struct ccwgroup_device *cgdev)
{
struct claw_privbk *privptr;
#ifdef FUNCTRACE
printk(KERN_INFO "%s enter \n",__func__);
#endif
CLAW_DBF_TEXT(4,trace,"proberr");
#ifdef DEBUGMSG
printk(KERN_INFO "%s variable cgdev =\n",__func__);
dumpit((char *) cgdev, sizeof(struct ccwgroup_device));
#endif
CLAW_DBF_TEXT(4, trace, "proberr");
privptr=(struct claw_privbk *)cgdev->dev.driver_data;
if (privptr!=NULL) {
kfree(privptr->p_env);
......@@ -2752,16 +1972,9 @@ probe_error( struct ccwgroup_device *cgdev)
kfree(privptr);
privptr=NULL;
}
#ifdef FUNCTRACE
printk(KERN_INFO "%s > exit on line %d\n",
__func__,__LINE__);
#endif
return;
} /* probe_error */
/*-------------------------------------------------------------------*
* claw_process_control *
* *
......@@ -2783,32 +1996,19 @@ claw_process_control( struct net_device *dev, struct ccwbk * p_ccw)
struct conncmd *p_connect=NULL;
int rc;
struct chbk *p_ch = NULL;
#ifdef FUNCTRACE
printk(KERN_INFO "%s: %s() > enter \n",
dev->name,__func__);
#endif
CLAW_DBF_TEXT(2,setup,"clw_cntl");
#ifdef DEBUGMSG
printk(KERN_INFO "%s: variable dev =\n",dev->name);
dumpit((char *) dev, sizeof(struct net_device));
printk(KERN_INFO "%s: variable p_ccw =\n",dev->name);
dumpit((char *) p_ccw, sizeof(struct ccwbk *));
#endif
struct device *tdev;
CLAW_DBF_TEXT(2, setup, "clw_cntl");
udelay(1000); /* Wait a ms for the control packets to
*catch up to each other */
privptr=dev->priv;
p_env=privptr->p_env;
tdev = &privptr->channel[READ].cdev->dev;
memcpy( &temp_host_name, p_env->host_name, 8);
memcpy( &temp_ws_name, p_env->adapter_name , 8);
printk(KERN_INFO "%s: CLAW device %.8s: "
"Received Control Packet\n",
dev->name, temp_ws_name);
if (privptr->release_pend==1) {
#ifdef FUNCTRACE
printk(KERN_INFO "%s: %s() > "
"exit on line %d, rc=0\n",
dev->name,__func__,__LINE__);
#endif
return 0;
}
p_buf=p_ccw->p_buffer;
......@@ -2818,23 +2018,19 @@ claw_process_control( struct net_device *dev, struct ccwbk * p_ccw)
} else {
memcpy(p_ctlbk, p_buf, sizeof(struct clawctl));
}
#ifdef IOTRACE
printk(KERN_INFO "%s: dump claw control data inbound\n",dev->name);
dumpit((char *)p_ctlbk, sizeof(struct clawctl));
#endif
switch (p_ctlbk->command)
{
case SYSTEM_VALIDATE_REQUEST:
if (p_ctlbk->version!=CLAW_VERSION_ID) {
if (p_ctlbk->version != CLAW_VERSION_ID) {
claw_snd_sys_validate_rsp(dev, p_ctlbk,
CLAW_RC_WRONG_VERSION );
CLAW_RC_WRONG_VERSION);
printk("%s: %d is wrong version id. "
"Expected %d\n",
dev->name, p_ctlbk->version,
CLAW_VERSION_ID);
}
p_sysval=(struct sysval *)&(p_ctlbk->data);
printk( "%s: Recv Sys Validate Request: "
p_sysval = (struct sysval *)&(p_ctlbk->data);
printk("%s: Recv Sys Validate Request: "
"Vers=%d,link_id=%d,Corr=%d,WS name=%."
"8s,Host name=%.8s\n",
dev->name, p_ctlbk->version,
......@@ -2842,12 +2038,12 @@ claw_process_control( struct net_device *dev, struct ccwbk * p_ccw)
p_ctlbk->correlator,
p_sysval->WS_name,
p_sysval->host_name);
if (0!=memcmp(temp_host_name,p_sysval->host_name,8)) {
if (memcmp(temp_host_name, p_sysval->host_name, 8)) {
claw_snd_sys_validate_rsp(dev, p_ctlbk,
CLAW_RC_NAME_MISMATCH );
CLAW_DBF_TEXT(2,setup,"HSTBAD");
CLAW_DBF_TEXT_(2,setup,"%s",p_sysval->host_name);
CLAW_DBF_TEXT_(2,setup,"%s",temp_host_name);
CLAW_RC_NAME_MISMATCH);
CLAW_DBF_TEXT(2, setup, "HSTBAD");
CLAW_DBF_TEXT_(2, setup, "%s", p_sysval->host_name);
CLAW_DBF_TEXT_(2, setup, "%s", temp_host_name);
printk(KERN_INFO "%s: Host name mismatch\n",
dev->name);
printk(KERN_INFO "%s: Received :%s: "
......@@ -2856,12 +2052,12 @@ claw_process_control( struct net_device *dev, struct ccwbk * p_ccw)
p_sysval->host_name,
temp_host_name);
}
if (0!=memcmp(temp_ws_name,p_sysval->WS_name,8)) {
if (memcmp(temp_ws_name, p_sysval->WS_name, 8)) {
claw_snd_sys_validate_rsp(dev, p_ctlbk,
CLAW_RC_NAME_MISMATCH );
CLAW_DBF_TEXT(2,setup,"WSNBAD");
CLAW_DBF_TEXT_(2,setup,"%s",p_sysval->WS_name);
CLAW_DBF_TEXT_(2,setup,"%s",temp_ws_name);
CLAW_RC_NAME_MISMATCH);
CLAW_DBF_TEXT(2, setup, "WSNBAD");
CLAW_DBF_TEXT_(2, setup, "%s", p_sysval->WS_name);
CLAW_DBF_TEXT_(2, setup, "%s", temp_ws_name);
printk(KERN_INFO "%s: WS name mismatch\n",
dev->name);
printk(KERN_INFO "%s: Received :%s: "
......@@ -2870,36 +2066,34 @@ claw_process_control( struct net_device *dev, struct ccwbk * p_ccw)
p_sysval->WS_name,
temp_ws_name);
}
if (( p_sysval->write_frame_size < p_env->write_size) &&
( p_env->packing == 0)) {
if ((p_sysval->write_frame_size < p_env->write_size) &&
(p_env->packing == 0)) {
claw_snd_sys_validate_rsp(dev, p_ctlbk,
CLAW_RC_HOST_RCV_TOO_SMALL );
CLAW_RC_HOST_RCV_TOO_SMALL);
printk(KERN_INFO "%s: host write size is too "
"small\n", dev->name);
CLAW_DBF_TEXT(2,setup,"wrtszbad");
CLAW_DBF_TEXT(2, setup, "wrtszbad");
}
if (( p_sysval->read_frame_size < p_env->read_size) &&
( p_env->packing == 0)) {
if ((p_sysval->read_frame_size < p_env->read_size) &&
(p_env->packing == 0)) {
claw_snd_sys_validate_rsp(dev, p_ctlbk,
CLAW_RC_HOST_RCV_TOO_SMALL );
CLAW_RC_HOST_RCV_TOO_SMALL);
printk(KERN_INFO "%s: host read size is too "
"small\n", dev->name);
CLAW_DBF_TEXT(2,setup,"rdsizbad");
}
claw_snd_sys_validate_rsp(dev, p_ctlbk, 0 );
printk("%s: CLAW device %.8s: System validate"
" completed.\n",dev->name, temp_ws_name);
printk("%s: sys Validate Rsize:%d Wsize:%d\n",dev->name,
p_sysval->read_frame_size,p_sysval->write_frame_size);
privptr->system_validate_comp=1;
if(strncmp(p_env->api_type,WS_APPL_NAME_PACKED,6) == 0) {
CLAW_DBF_TEXT(2, setup, "rdsizbad");
}
claw_snd_sys_validate_rsp(dev, p_ctlbk, 0);
printk(KERN_INFO "%s: CLAW device %.8s: System validate "
"completed.\n", dev->name, temp_ws_name);
printk("%s: sys Validate Rsize:%d Wsize:%d\n", dev->name,
p_sysval->read_frame_size, p_sysval->write_frame_size);
privptr->system_validate_comp = 1;
if (strncmp(p_env->api_type, WS_APPL_NAME_PACKED, 6) == 0)
p_env->packing = PACKING_ASK;
}
claw_strt_conn_req(dev);
break;
case SYSTEM_VALIDATE_RESPONSE:
p_sysval=(struct sysval *)&(p_ctlbk->data);
p_sysval = (struct sysval *)&(p_ctlbk->data);
printk("%s: Recv Sys Validate Resp: Vers=%d,Corr=%d,RC=%d,"
"WS name=%.8s,Host name=%.8s\n",
dev->name,
......@@ -2908,8 +2102,7 @@ claw_process_control( struct net_device *dev, struct ccwbk * p_ccw)
p_ctlbk->rc,
p_sysval->WS_name,
p_sysval->host_name);
switch (p_ctlbk->rc)
{
switch (p_ctlbk->rc) {
case 0:
printk(KERN_INFO "%s: CLAW device "
"%.8s: System validate "
......@@ -2917,7 +2110,7 @@ claw_process_control( struct net_device *dev, struct ccwbk * p_ccw)
dev->name, temp_ws_name);
if (privptr->system_validate_comp == 0)
claw_strt_conn_req(dev);
privptr->system_validate_comp=1;
privptr->system_validate_comp = 1;
break;
case CLAW_RC_NAME_MISMATCH:
printk(KERN_INFO "%s: Sys Validate "
......@@ -2938,13 +2131,13 @@ claw_process_control( struct net_device *dev, struct ccwbk * p_ccw)
default:
printk(KERN_INFO "%s: Sys Validate "
"error code=%d \n",
dev->name, p_ctlbk->rc );
dev->name, p_ctlbk->rc);
break;
}
break;
case CONNECTION_REQUEST:
p_connect=(struct conncmd *)&(p_ctlbk->data);
p_connect = (struct conncmd *)&(p_ctlbk->data);
printk(KERN_INFO "%s: Recv Conn Req: Vers=%d,link_id=%d,"
"Corr=%d,HOST appl=%.8s,WS appl=%.8s\n",
dev->name,
......@@ -2953,23 +2146,22 @@ claw_process_control( struct net_device *dev, struct ccwbk * p_ccw)
p_ctlbk->correlator,
p_connect->host_name,
p_connect->WS_name);
if (privptr->active_link_ID!=0 ) {
if (privptr->active_link_ID != 0) {
claw_snd_disc(dev, p_ctlbk);
printk(KERN_INFO "%s: Conn Req error : "
"already logical link is active \n",
dev->name);
}
if (p_ctlbk->linkid!=1 ) {
if (p_ctlbk->linkid != 1) {
claw_snd_disc(dev, p_ctlbk);
printk(KERN_INFO "%s: Conn Req error : "
"req logical link id is not 1\n",
dev->name);
}
rc=find_link(dev,
p_connect->host_name, p_connect->WS_name);
if (rc!=0) {
rc = find_link(dev, p_connect->host_name, p_connect->WS_name);
if (rc != 0) {
claw_snd_disc(dev, p_ctlbk);
printk(KERN_INFO "%s: Conn Req error : "
printk(KERN_INFO "%s: Conn Resp error: "
"req appl name does not match\n",
dev->name);
}
......@@ -2979,20 +2171,19 @@ claw_process_control( struct net_device *dev, struct ccwbk * p_ccw)
0, p_connect->host_name,
p_connect->WS_name);
if (p_env->packing == PACKING_ASK) {
printk("%s: Now Pack ask\n",dev->name);
p_env->packing = PACK_SEND;
claw_snd_conn_req(dev,0);
claw_snd_conn_req(dev, 0);
}
printk(KERN_INFO "%s: CLAW device %.8s: Connection "
"completed link_id=%d.\n",
dev->name, temp_ws_name,
p_ctlbk->linkid);
privptr->active_link_ID=p_ctlbk->linkid;
p_ch=&privptr->channel[WRITE];
privptr->active_link_ID = p_ctlbk->linkid;
p_ch = &privptr->channel[WRITE];
wake_up(&p_ch->wait); /* wake up claw_open ( WRITE) */
break;
case CONNECTION_RESPONSE:
p_connect=(struct conncmd *)&(p_ctlbk->data);
p_connect = (struct conncmd *)&(p_ctlbk->data);
printk(KERN_INFO "%s: Revc Conn Resp: Vers=%d,link_id=%d,"
"Corr=%d,RC=%d,Host appl=%.8s, WS appl=%.8s\n",
dev->name,
......@@ -3003,24 +2194,24 @@ claw_process_control( struct net_device *dev, struct ccwbk * p_ccw)
p_connect->host_name,
p_connect->WS_name);
if (p_ctlbk->rc !=0 ) {
if (p_ctlbk->rc != 0) {
printk(KERN_INFO "%s: Conn Resp error: rc=%d \n",
dev->name, p_ctlbk->rc);
return 1;
}
rc=find_link(dev,
rc = find_link(dev,
p_connect->host_name, p_connect->WS_name);
if (rc!=0) {
if (rc != 0) {
claw_snd_disc(dev, p_ctlbk);
printk(KERN_INFO "%s: Conn Resp error: "
"req appl name does not match\n",
dev->name);
}
/* should be until CONNECTION_CONFIRM */
privptr->active_link_ID = - (p_ctlbk->linkid);
privptr->active_link_ID = -(p_ctlbk->linkid);
break;
case CONNECTION_CONFIRM:
p_connect=(struct conncmd *)&(p_ctlbk->data);
p_connect = (struct conncmd *)&(p_ctlbk->data);
printk(KERN_INFO "%s: Recv Conn Confirm:Vers=%d,link_id=%d,"
"Corr=%d,Host appl=%.8s,WS appl=%.8s\n",
dev->name,
......@@ -3029,16 +2220,16 @@ claw_process_control( struct net_device *dev, struct ccwbk * p_ccw)
p_ctlbk->correlator,
p_connect->host_name,
p_connect->WS_name);
if (p_ctlbk->linkid== -(privptr->active_link_ID)) {
privptr->active_link_ID=p_ctlbk->linkid;
if (p_ctlbk->linkid == -(privptr->active_link_ID)) {
privptr->active_link_ID = p_ctlbk->linkid;
if (p_env->packing > PACKING_ASK) {
printk(KERN_INFO "%s: Confirmed Now packing\n",dev->name);
printk(KERN_INFO "%s: Confirmed Now packing\n",
dev->name);
p_env->packing = DO_PACKED;
}
p_ch=&privptr->channel[WRITE];
p_ch = &privptr->channel[WRITE];
wake_up(&p_ch->wait);
}
else {
} else {
printk(KERN_INFO "%s: Conn confirm: "
"unexpected linkid=%d \n",
dev->name, p_ctlbk->linkid);
......@@ -3054,9 +2245,8 @@ claw_process_control( struct net_device *dev, struct ccwbk * p_ccw)
(p_env->packing == PACK_SEND)) {
privptr->active_link_ID = 1;
p_env->packing = DO_PACKED;
}
else
privptr->active_link_ID=0;
} else
privptr->active_link_ID = 0;
break;
case CLAW_ERROR:
printk(KERN_INFO "%s: CLAW ERROR detected\n",
......@@ -3068,11 +2258,6 @@ claw_process_control( struct net_device *dev, struct ccwbk * p_ccw)
break;
}
#ifdef FUNCTRACE
printk(KERN_INFO "%s: %s() exit on line %d, rc = 0\n",
dev->name,__func__,__LINE__);
#endif
return 0;
} /* end of claw_process_control */
......@@ -3092,18 +2277,7 @@ claw_send_control(struct net_device *dev, __u8 type, __u8 link,
struct conncmd *p_connect;
struct sk_buff *skb;
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s > enter \n",dev->name,__func__);
#endif
CLAW_DBF_TEXT(2,setup,"sndcntl");
#ifdef DEBUGMSG
printk(KERN_INFO "%s: Sending Control Packet \n",dev->name);
printk(KERN_INFO "%s: variable type = 0x%X, link = "
"%d, correlator = %d, rc = %d\n",
dev->name,type, link, correlator, rc);
printk(KERN_INFO "%s: variable local_name = %s, "
"remote_name = %s\n",dev->name, local_name, remote_name);
#endif
CLAW_DBF_TEXT(2, setup, "sndcntl");
privptr=dev->priv;
p_ctl=(struct clawctl *)&privptr->ctl_bk;
......@@ -3125,7 +2299,7 @@ claw_send_control(struct net_device *dev, __u8 type, __u8 link,
p_sysval->read_frame_size=DEF_PACK_BUFSIZE;
p_sysval->write_frame_size=DEF_PACK_BUFSIZE;
} else {
/* how big is the piggest group of packets */
/* how big is the biggest group of packets */
p_sysval->read_frame_size=privptr->p_env->read_size;
p_sysval->write_frame_size=privptr->p_env->write_size;
}
......@@ -3155,29 +2329,14 @@ claw_send_control(struct net_device *dev, __u8 type, __u8 link,
skb = dev_alloc_skb(sizeof(struct clawctl));
if (!skb) {
printk( "%s:%s low on mem, returning...\n",
dev->name,__func__);
#ifdef DEBUG
printk(KERN_INFO "%s:%s Exit, rc = ENOMEM\n",
dev->name,__func__);
#endif
return -ENOMEM;
}
memcpy(skb_put(skb, sizeof(struct clawctl)),
p_ctl, sizeof(struct clawctl));
#ifdef IOTRACE
printk(KERN_INFO "%s: outbnd claw cntl data \n",dev->name);
dumpit((char *)p_ctl,sizeof(struct clawctl));
#endif
if (privptr->p_env->packing >= PACK_SEND)
claw_hw_tx(skb, dev, 1);
else
claw_hw_tx(skb, dev, 0);
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Exit on line %d\n",
dev->name,__func__,__LINE__);
#endif
return 0;
} /* end of claw_send_control */
......@@ -3192,22 +2351,11 @@ claw_snd_conn_req(struct net_device *dev, __u8 link)
struct claw_privbk *privptr=dev->priv;
struct clawctl *p_ctl;
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Enter \n",dev->name,__func__);
#endif
CLAW_DBF_TEXT(2,setup,"snd_conn");
#ifdef DEBUGMSG
printk(KERN_INFO "%s: variable link = %X, dev =\n",dev->name, link);
dumpit((char *) dev, sizeof(struct net_device));
#endif
CLAW_DBF_TEXT(2, setup, "snd_conn");
rc = 1;
p_ctl=(struct clawctl *)&privptr->ctl_bk;
p_ctl->linkid = link;
if ( privptr->system_validate_comp==0x00 ) {
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Exit on line %d, rc = 1\n",
dev->name,__func__,__LINE__);
#endif
return rc;
}
if (privptr->p_env->packing == PACKING_ASK )
......@@ -3220,10 +2368,6 @@ claw_snd_conn_req(struct net_device *dev, __u8 link)
if (privptr->p_env->packing == 0)
rc=claw_send_control(dev, CONNECTION_REQUEST,0,0,0,
HOST_APPL_NAME, privptr->p_env->api_type);
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Exit on line %d, rc = %d\n",
dev->name,__func__,__LINE__, rc);
#endif
return rc;
} /* end of claw_snd_conn_req */
......@@ -3240,25 +2384,12 @@ claw_snd_disc(struct net_device *dev, struct clawctl * p_ctl)
int rc;
struct conncmd * p_connect;
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Enter\n",dev->name,__func__);
#endif
CLAW_DBF_TEXT(2,setup,"snd_dsc");
#ifdef DEBUGMSG
printk(KERN_INFO "%s: variable dev =\n",dev->name);
dumpit((char *) dev, sizeof(struct net_device));
printk(KERN_INFO "%s: variable p_ctl",dev->name);
dumpit((char *) p_ctl, sizeof(struct clawctl));
#endif
CLAW_DBF_TEXT(2, setup, "snd_dsc");
p_connect=(struct conncmd *)&p_ctl->data;
rc=claw_send_control(dev, DISCONNECT, p_ctl->linkid,
p_ctl->correlator, 0,
p_connect->host_name, p_connect->WS_name);
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Exit on line %d, rc = %d\n",
dev->name,__func__, __LINE__, rc);
#endif
return rc;
} /* end of claw_snd_disc */
......@@ -3276,18 +2407,7 @@ claw_snd_sys_validate_rsp(struct net_device *dev,
struct claw_privbk *privptr;
int rc;
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Enter\n",
dev->name,__func__);
#endif
CLAW_DBF_TEXT(2,setup,"chkresp");
#ifdef DEBUGMSG
printk(KERN_INFO "%s: variable return_code = %d, dev =\n",
dev->name, return_code);
dumpit((char *) dev, sizeof(struct net_device));
printk(KERN_INFO "%s: variable p_ctl =\n",dev->name);
dumpit((char *) p_ctl, sizeof(struct clawctl));
#endif
CLAW_DBF_TEXT(2, setup, "chkresp");
privptr = dev->priv;
p_env=privptr->p_env;
rc=claw_send_control(dev, SYSTEM_VALIDATE_RESPONSE,
......@@ -3296,10 +2416,6 @@ claw_snd_sys_validate_rsp(struct net_device *dev,
return_code,
p_env->host_name,
p_env->adapter_name );
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Exit on line %d, rc = %d\n",
dev->name,__func__,__LINE__, rc);
#endif
return rc;
} /* end of claw_snd_sys_validate_rsp */
......@@ -3313,19 +2429,8 @@ claw_strt_conn_req(struct net_device *dev )
{
int rc;
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Enter\n",dev->name,__func__);
#endif
CLAW_DBF_TEXT(2,setup,"conn_req");
#ifdef DEBUGMSG
printk(KERN_INFO "%s: variable dev =\n",dev->name);
dumpit((char *) dev, sizeof(struct net_device));
#endif
CLAW_DBF_TEXT(2, setup, "conn_req");
rc=claw_snd_conn_req(dev, 1);
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Exit on line %d, rc = %d\n",
dev->name,__func__,__LINE__, rc);
#endif
return rc;
} /* end of claw_strt_conn_req */
......@@ -3339,15 +2444,9 @@ static struct
net_device_stats *claw_stats(struct net_device *dev)
{
struct claw_privbk *privptr;
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Enter\n",dev->name,__func__);
#endif
CLAW_DBF_TEXT(4,trace,"stats");
CLAW_DBF_TEXT(4, trace, "stats");
privptr = dev->priv;
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Exit on line %d\n",
dev->name,__func__,__LINE__);
#endif
return &privptr->stats;
} /* end of claw_stats */
......@@ -3368,36 +2467,28 @@ unpack_read(struct net_device *dev )
struct clawph *p_packh;
void *p_packd;
struct clawctl *p_ctlrec=NULL;
struct device *p_dev;
__u32 len_of_data;
__u32 pack_off;
__u8 link_num;
__u8 mtc_this_frm=0;
__u32 bytes_to_mov;
struct chbk *p_ch = NULL;
int i=0;
int p=0;
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s enter \n",dev->name,__func__);
#endif
CLAW_DBF_TEXT(4,trace,"unpkread");
CLAW_DBF_TEXT(4, trace, "unpkread");
p_first_ccw=NULL;
p_last_ccw=NULL;
p_packh=NULL;
p_packd=NULL;
privptr=dev->priv;
p_dev = &privptr->channel[READ].cdev->dev;
p_env = privptr->p_env;
p_this_ccw=privptr->p_read_active_first;
i=0;
while (p_this_ccw!=NULL && p_this_ccw->header.flag!=CLAW_PENDING) {
#ifdef IOTRACE
printk(KERN_INFO "%s p_this_ccw \n",dev->name);
dumpit((char*)p_this_ccw, sizeof(struct ccwbk));
printk(KERN_INFO "%s Inbound p_this_ccw->p_buffer(64)"
" pk=%d \n",dev->name,p_env->packing);
dumpit((char *)p_this_ccw->p_buffer, 64 );
#endif
pack_off = 0;
p = 0;
p_this_ccw->header.flag=CLAW_PENDING;
......@@ -3419,10 +2510,6 @@ unpack_read(struct net_device *dev )
else
link_num=p_this_ccw->header.opcode / 8;
if ((p_this_ccw->header.opcode & MORE_to_COME_FLAG)!=0) {
#ifdef DEBUGMSG
printk(KERN_INFO "%s: %s > More_to_come is ON\n",
dev->name,__func__);
#endif
mtc_this_frm=1;
if (p_this_ccw->header.length!=
privptr->p_env->read_size ) {
......@@ -3445,22 +2532,12 @@ unpack_read(struct net_device *dev )
privptr->mtc_skipping=0; /* Ok, the end */
privptr->mtc_logical_link=-1;
}
#ifdef DEBUGMSG
printk(KERN_INFO "%s:%s goto next "
"frame from MoretoComeSkip \n",
dev->name,__func__);
#endif
goto NextFrame;
}
if (link_num==0) {
claw_process_control(dev, p_this_ccw);
#ifdef DEBUGMSG
printk(KERN_INFO "%s:%s goto next "
"frame from claw_process_control \n",
dev->name,__func__);
#endif
CLAW_DBF_TEXT(4,trace,"UnpkCntl");
CLAW_DBF_TEXT(4, trace, "UnpkCntl");
goto NextFrame;
}
unpack_next:
......@@ -3479,10 +2556,6 @@ unpack_read(struct net_device *dev )
bytes_to_mov=p_this_ccw->header.length;
}
if (privptr->mtc_logical_link<0) {
#ifdef DEBUGMSG
printk(KERN_INFO "%s: %s mtc_logical_link < 0 \n",
dev->name,__func__);
#endif
/*
* if More-To-Come is set in this frame then we don't know
......@@ -3496,15 +2569,6 @@ unpack_read(struct net_device *dev )
if (bytes_to_mov > (MAX_ENVELOPE_SIZE- privptr->mtc_offset) ) {
/* error */
#ifdef DEBUGMSG
printk(KERN_INFO "%s: %s > goto next "
"frame from MoretoComeSkip \n",
dev->name,
__func__);
printk(KERN_INFO " bytes_to_mov %d > (MAX_ENVELOPE_"
"SIZE-privptr->mtc_offset %d)\n",
bytes_to_mov,(MAX_ENVELOPE_SIZE- privptr->mtc_offset));
#endif
privptr->stats.rx_frame_errors++;
goto NextFrame;
}
......@@ -3516,16 +2580,6 @@ unpack_read(struct net_device *dev )
memcpy( privptr->p_mtc_envelope+ privptr->mtc_offset,
p_this_ccw->p_buffer, bytes_to_mov);
}
#ifdef DEBUGMSG
printk(KERN_INFO "%s: %s() received data \n",
dev->name,__func__);
if (p_env->packing == DO_PACKED)
dumpit((char *)p_packd+sizeof(struct clawph),32);
else
dumpit((char *)p_this_ccw->p_buffer, 32);
printk(KERN_INFO "%s: %s() bytelength %d \n",
dev->name,__func__,bytes_to_mov);
#endif
if (mtc_this_frm==0) {
len_of_data=privptr->mtc_offset+bytes_to_mov;
skb=dev_alloc_skb(len_of_data);
......@@ -3540,11 +2594,6 @@ unpack_read(struct net_device *dev )
privptr->stats.rx_packets++;
privptr->stats.rx_bytes+=len_of_data;
netif_rx(skb);
#ifdef DEBUGMSG
printk(KERN_INFO "%s: %s() netif_"
"rx(skb) completed \n",
dev->name,__func__);
#endif
}
else {
privptr->stats.rx_dropped++;
......@@ -3581,28 +2630,14 @@ unpack_read(struct net_device *dev )
* chain to next block on active read queue
*/
p_this_ccw = privptr->p_read_active_first;
CLAW_DBF_TEXT_(4,trace,"rxpkt %d",p);
CLAW_DBF_TEXT_(4, trace, "rxpkt %d", p);
} /* end of while */
/* check validity */
#ifdef IOTRACE
printk(KERN_INFO "%s:%s processed frame is %d \n",
dev->name,__func__,i);
printk(KERN_INFO "%s:%s F:%lx L:%lx\n",
dev->name,
__func__,
(unsigned long)p_first_ccw,
(unsigned long)p_last_ccw);
#endif
CLAW_DBF_TEXT_(4,trace,"rxfrm %d",i);
CLAW_DBF_TEXT_(4, trace, "rxfrm %d", i);
add_claw_reads(dev, p_first_ccw, p_last_ccw);
p_ch=&privptr->channel[READ];
claw_strt_read(dev, LOCK_YES);
#ifdef FUNCTRACE
printk(KERN_INFO "%s: %s exit on line %d\n",
dev->name, __func__, __LINE__);
#endif
return;
} /* end of unpack_read */
......@@ -3622,12 +2657,7 @@ claw_strt_read (struct net_device *dev, int lock )
struct clawh *p_clawh;
p_ch=&privptr->channel[READ];
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Enter \n",dev->name,__func__);
printk(KERN_INFO "%s: variable lock = %d, dev =\n",dev->name, lock);
dumpit((char *) dev, sizeof(struct net_device));
#endif
CLAW_DBF_TEXT(4,trace,"StRdNter");
CLAW_DBF_TEXT(4, trace, "StRdNter");
p_clawh=(struct clawh *)privptr->p_claw_signal_blk;
p_clawh->flag=CLAW_IDLE; /* 0x00 */
......@@ -3637,21 +2667,11 @@ claw_strt_read (struct net_device *dev, int lock )
privptr->p_read_active_first->header.flag!=CLAW_PENDING )) {
p_clawh->flag=CLAW_BUSY; /* 0xff */
}
#ifdef DEBUGMSG
printk(KERN_INFO "%s:%s state-%02x\n" ,
dev->name,__func__, p_ch->claw_state);
#endif
if (lock==LOCK_YES) {
spin_lock_irqsave(get_ccwdev_lock(p_ch->cdev), saveflags);
}
if (test_and_set_bit(0, (void *)&p_ch->IO_active) == 0) {
#ifdef DEBUGMSG
printk(KERN_INFO "%s: HOT READ started in %s\n" ,
dev->name,__func__);
p_clawh=(struct clawh *)privptr->p_claw_signal_blk;
dumpit((char *)&p_clawh->flag , 1);
#endif
CLAW_DBF_TEXT(4,trace,"HotRead");
CLAW_DBF_TEXT(4, trace, "HotRead");
p_ccwbk=privptr->p_read_active_first;
parm = (unsigned long) p_ch;
rc = ccw_device_start (p_ch->cdev, &p_ccwbk->read, parm,
......@@ -3661,21 +2681,13 @@ claw_strt_read (struct net_device *dev, int lock )
}
}
else {
#ifdef DEBUGMSG
printk(KERN_INFO "%s: No READ started by %s() In progress\n" ,
dev->name,__func__);
#endif
CLAW_DBF_TEXT(2,trace,"ReadAct");
CLAW_DBF_TEXT(2, trace, "ReadAct");
}
if (lock==LOCK_YES) {
spin_unlock_irqrestore(get_ccwdev_lock(p_ch->cdev), saveflags);
}
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Exit on line %d\n",
dev->name,__func__,__LINE__);
#endif
CLAW_DBF_TEXT(4,trace,"StRdExit");
CLAW_DBF_TEXT(4, trace, "StRdExit");
return;
} /* end of claw_strt_read */
......@@ -3693,38 +2705,23 @@ claw_strt_out_IO( struct net_device *dev )
struct chbk *p_ch;
struct ccwbk *p_first_ccw;
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Enter\n",dev->name,__func__);
#endif
if (!dev) {
return;
}
privptr=(struct claw_privbk *)dev->priv;
p_ch=&privptr->channel[WRITE];
#ifdef DEBUGMSG
printk(KERN_INFO "%s:%s state-%02x\n" ,
dev->name,__func__,p_ch->claw_state);
#endif
CLAW_DBF_TEXT(4,trace,"strt_io");
CLAW_DBF_TEXT(4, trace, "strt_io");
p_first_ccw=privptr->p_write_active_first;
if (p_ch->claw_state == CLAW_STOP)
return;
if (p_first_ccw == NULL) {
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Exit on line %d\n",
dev->name,__func__,__LINE__);
#endif
return;
}
if (test_and_set_bit(0, (void *)&p_ch->IO_active) == 0) {
parm = (unsigned long) p_ch;
#ifdef DEBUGMSG
printk(KERN_INFO "%s:%s do_io \n" ,dev->name,__func__);
dumpit((char *)p_first_ccw, sizeof(struct ccwbk));
#endif
CLAW_DBF_TEXT(2,trace,"StWrtIO");
CLAW_DBF_TEXT(2, trace, "StWrtIO");
rc = ccw_device_start (p_ch->cdev,&p_first_ccw->write, parm,
0xff, 0);
if (rc != 0) {
......@@ -3732,11 +2729,6 @@ claw_strt_out_IO( struct net_device *dev )
}
}
dev->trans_start = jiffies;
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Exit on line %d\n",
dev->name,__func__,__LINE__);
#endif
return;
} /* end of claw_strt_out_IO */
......@@ -3754,32 +2746,11 @@ claw_free_wrt_buf( struct net_device *dev )
struct ccwbk*p_last_ccw;
struct ccwbk*p_this_ccw;
struct ccwbk*p_next_ccw;
#ifdef IOTRACE
struct ccwbk*p_buf;
#endif
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Enter\n",dev->name,__func__);
printk(KERN_INFO "%s: free count = %d variable dev =\n",
dev->name,privptr->write_free_count);
#endif
CLAW_DBF_TEXT(4,trace,"freewrtb");
CLAW_DBF_TEXT(4, trace, "freewrtb");
/* scan the write queue to free any completed write packets */
p_first_ccw=NULL;
p_last_ccw=NULL;
#ifdef IOTRACE
printk(KERN_INFO "%s: Dump current CCW chain \n",dev->name );
p_buf=privptr->p_write_active_first;
while (p_buf!=NULL) {
dumpit((char *)p_buf, sizeof(struct ccwbk));
p_buf=p_buf->next;
}
if (p_buf==NULL) {
printk(KERN_INFO "%s: privptr->p_write_"
"active_first==NULL\n",dev->name );
}
p_buf=(struct ccwbk*)privptr->p_end_ccw;
dumpit((char *)p_buf, sizeof(struct endccw));
#endif
p_this_ccw=privptr->p_write_active_first;
while ( (p_this_ccw!=NULL) && (p_this_ccw->header.flag!=CLAW_PENDING))
{
......@@ -3809,31 +2780,8 @@ claw_free_wrt_buf( struct net_device *dev )
/* whole chain removed? */
if (privptr->p_write_active_first==NULL) {
privptr->p_write_active_last=NULL;
#ifdef DEBUGMSG
printk(KERN_INFO "%s:%s p_write_"
"active_first==NULL\n",dev->name,__func__);
#endif
}
#ifdef IOTRACE
printk(KERN_INFO "%s: Dump arranged CCW chain \n",dev->name );
p_buf=privptr->p_write_active_first;
while (p_buf!=NULL) {
dumpit((char *)p_buf, sizeof(struct ccwbk));
p_buf=p_buf->next;
}
if (p_buf==NULL) {
printk(KERN_INFO "%s: privptr->p_write_active_"
"first==NULL\n",dev->name );
}
p_buf=(struct ccwbk*)privptr->p_end_ccw;
dumpit((char *)p_buf, sizeof(struct endccw));
#endif
CLAW_DBF_TEXT_(4,trace,"FWC=%d",privptr->write_free_count);
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Exit on line %d free_count =%d\n",
dev->name,__func__, __LINE__,privptr->write_free_count);
#endif
CLAW_DBF_TEXT_(4, trace, "FWC=%d", privptr->write_free_count);
return;
}
......@@ -3845,14 +2793,11 @@ static void
claw_free_netdevice(struct net_device * dev, int free_dev)
{
struct claw_privbk *privptr;
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Enter\n",dev->name,__func__);
#endif
CLAW_DBF_TEXT(2,setup,"free_dev");
CLAW_DBF_TEXT(2, setup, "free_dev");
if (!dev)
return;
CLAW_DBF_TEXT_(2,setup,"%s",dev->name);
CLAW_DBF_TEXT_(2, setup, "%s", dev->name);
privptr = dev->priv;
if (dev->flags & IFF_RUNNING)
claw_release(dev);
......@@ -3865,10 +2810,7 @@ claw_free_netdevice(struct net_device * dev, int free_dev)
free_netdev(dev);
}
#endif
CLAW_DBF_TEXT(2,setup,"feee_ok");
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Exit\n",dev->name,__func__);
#endif
CLAW_DBF_TEXT(2, setup, "free_ok");
}
/**
......@@ -3879,17 +2821,8 @@ claw_free_netdevice(struct net_device * dev, int free_dev)
static void
claw_init_netdevice(struct net_device * dev)
{
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Enter\n",dev->name,__func__);
#endif
CLAW_DBF_TEXT(2,setup,"init_dev");
CLAW_DBF_TEXT_(2,setup,"%s",dev->name);
if (!dev) {
printk(KERN_WARNING "claw:%s BAD Device exit line %d\n",
__func__,__LINE__);
CLAW_DBF_TEXT(2,setup,"baddev");
return;
}
CLAW_DBF_TEXT(2, setup, "init_dev");
CLAW_DBF_TEXT_(2, setup, "%s", dev->name);
dev->mtu = CLAW_DEFAULT_MTU_SIZE;
dev->hard_start_xmit = claw_tx;
dev->open = claw_open;
......@@ -3901,10 +2834,7 @@ claw_init_netdevice(struct net_device * dev)
dev->type = ARPHRD_SLIP;
dev->tx_queue_len = 1300;
dev->flags = IFF_POINTOPOINT | IFF_NOARP;
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Exit\n",dev->name,__func__);
#endif
CLAW_DBF_TEXT(2,setup,"initok");
CLAW_DBF_TEXT(2, setup, "initok");
return;
}
......@@ -3921,10 +2851,7 @@ add_channel(struct ccw_device *cdev,int i,struct claw_privbk *privptr)
struct chbk *p_ch;
struct ccw_dev_id dev_id;
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Enter\n",cdev->dev.bus_id,__func__);
#endif
CLAW_DBF_TEXT_(2,setup,"%s",cdev->dev.bus_id);
CLAW_DBF_TEXT_(2, setup, "%s", cdev->dev.bus_id);
privptr->channel[i].flag = i+1; /* Read is 1 Write is 2 */
p_ch = &privptr->channel[i];
p_ch->cdev = cdev;
......@@ -3932,18 +2859,8 @@ add_channel(struct ccw_device *cdev,int i,struct claw_privbk *privptr)
ccw_device_get_id(cdev, &dev_id);
p_ch->devno = dev_id.devno;
if ((p_ch->irb = kzalloc(sizeof (struct irb),GFP_KERNEL)) == NULL) {
printk(KERN_WARNING "%s Out of memory in %s for irb\n",
p_ch->id,__func__);
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Exit on line %d\n",
p_ch->id,__func__,__LINE__);
#endif
return -ENOMEM;
}
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Exit on line %d\n",
cdev->dev.bus_id,__func__,__LINE__);
#endif
return 0;
}
......@@ -3965,9 +2882,8 @@ claw_new_device(struct ccwgroup_device *cgdev)
int ret;
struct ccw_dev_id dev_id;
pr_debug("%s() called\n", __func__);
printk(KERN_INFO "claw: add for %s\n",cgdev->cdev[READ]->dev.bus_id);
CLAW_DBF_TEXT(2,setup,"new_dev");
CLAW_DBF_TEXT(2, setup, "new_dev");
privptr = cgdev->dev.driver_data;
cgdev->cdev[READ]->dev.driver_data = privptr;
cgdev->cdev[WRITE]->dev.driver_data = privptr;
......@@ -3983,8 +2899,7 @@ claw_new_device(struct ccwgroup_device *cgdev)
ret = add_channel(cgdev->cdev[1],1,privptr);
if (ret != 0) {
printk(KERN_WARNING
"add channel failed "
"with ret = %d\n", ret);
"add channel failed with ret = %d\n", ret);
goto out;
}
ret = ccw_device_set_online(cgdev->cdev[READ]);
......@@ -4014,18 +2929,16 @@ claw_new_device(struct ccwgroup_device *cgdev)
SET_NETDEV_DEV(dev, &cgdev->dev);
if (register_netdev(dev) != 0) {
claw_free_netdevice(dev, 1);
CLAW_DBF_TEXT(2,trace,"regfail");
CLAW_DBF_TEXT(2, trace, "regfail");
goto out;
}
dev->flags &=~IFF_RUNNING;
if (privptr->buffs_alloc == 0) {
ret=init_ccw_bk(dev);
if (ret !=0) {
printk(KERN_WARNING
"claw: init_ccw_bk failed with ret=%d\n", ret);
unregister_netdev(dev);
claw_free_netdevice(dev,1);
CLAW_DBF_TEXT(2,trace,"ccwmem");
CLAW_DBF_TEXT(2, trace, "ccwmem");
goto out;
}
}
......@@ -4047,7 +2960,6 @@ claw_new_device(struct ccwgroup_device *cgdev)
out:
ccw_device_set_offline(cgdev->cdev[1]);
ccw_device_set_offline(cgdev->cdev[0]);
return -ENODEV;
}
......@@ -4056,8 +2968,7 @@ claw_purge_skb_queue(struct sk_buff_head *q)
{
struct sk_buff *skb;
CLAW_DBF_TEXT(4,trace,"purgque");
CLAW_DBF_TEXT(4, trace, "purgque");
while ((skb = skb_dequeue(q))) {
atomic_dec(&skb->users);
dev_kfree_skb_any(skb);
......@@ -4078,8 +2989,7 @@ claw_shutdown_device(struct ccwgroup_device *cgdev)
struct net_device *ndev;
int ret;
pr_debug("%s() called\n", __func__);
CLAW_DBF_TEXT_(2,setup,"%s",cgdev->dev.bus_id);
CLAW_DBF_TEXT_(2, setup, "%s", cgdev->dev.bus_id);
priv = cgdev->dev.driver_data;
if (!priv)
return -ENODEV;
......@@ -4108,13 +3018,10 @@ claw_remove_device(struct ccwgroup_device *cgdev)
{
struct claw_privbk *priv;
pr_debug("%s() called\n", __func__);
CLAW_DBF_TEXT_(2,setup,"%s",cgdev->dev.bus_id);
BUG_ON(!cgdev);
CLAW_DBF_TEXT_(2, setup, "%s", cgdev->dev.bus_id);
priv = cgdev->dev.driver_data;
if (!priv) {
printk(KERN_WARNING "claw: %s() no Priv exiting\n",__func__);
return;
}
BUG_ON(!priv);
printk(KERN_INFO "claw: %s() called %s will be removed.\n",
__func__,cgdev->cdev[0]->dev.bus_id);
if (cgdev->state == CCWGROUP_ONLINE)
......@@ -4133,6 +3040,8 @@ claw_remove_device(struct ccwgroup_device *cgdev)
cgdev->cdev[READ]->dev.driver_data = NULL;
cgdev->cdev[WRITE]->dev.driver_data = NULL;
put_device(&cgdev->dev);
return;
}
......@@ -4168,8 +3077,8 @@ claw_hname_write(struct device *dev, struct device_attribute *attr, const char *
strncpy(p_env->host_name,buf, count);
p_env->host_name[count-1] = 0x20; /* clear extra 0x0a */
p_env->host_name[MAX_NAME_LEN] = 0x00;
CLAW_DBF_TEXT(2,setup,"HstnSet");
CLAW_DBF_TEXT_(2,setup,"%s",p_env->host_name);
CLAW_DBF_TEXT(2, setup, "HstnSet");
CLAW_DBF_TEXT_(2, setup, "%s", p_env->host_name);
return count;
}
......@@ -4186,7 +3095,7 @@ claw_adname_show(struct device *dev, struct device_attribute *attr, char *buf)
if (!priv)
return -ENODEV;
p_env = priv->p_env;
return sprintf(buf, "%s\n",p_env->adapter_name);
return sprintf(buf, "%s\n", p_env->adapter_name);
}
static ssize_t
......@@ -4205,8 +3114,8 @@ claw_adname_write(struct device *dev, struct device_attribute *attr, const char
strncpy(p_env->adapter_name,buf, count);
p_env->adapter_name[count-1] = 0x20; /* clear extra 0x0a */
p_env->adapter_name[MAX_NAME_LEN] = 0x00;
CLAW_DBF_TEXT(2,setup,"AdnSet");
CLAW_DBF_TEXT_(2,setup,"%s",p_env->adapter_name);
CLAW_DBF_TEXT(2, setup, "AdnSet");
CLAW_DBF_TEXT_(2, setup, "%s", p_env->adapter_name);
return count;
}
......@@ -4247,15 +3156,15 @@ claw_apname_write(struct device *dev, struct device_attribute *attr, const char
p_env->read_size=DEF_PACK_BUFSIZE;
p_env->write_size=DEF_PACK_BUFSIZE;
p_env->packing=PACKING_ASK;
CLAW_DBF_TEXT(2,setup,"PACKING");
CLAW_DBF_TEXT(2, setup, "PACKING");
}
else {
p_env->packing=0;
p_env->read_size=CLAW_FRAME_SIZE;
p_env->write_size=CLAW_FRAME_SIZE;
CLAW_DBF_TEXT(2,setup,"ApiSet");
CLAW_DBF_TEXT(2, setup, "ApiSet");
}
CLAW_DBF_TEXT_(2,setup,"%s",p_env->api_type);
CLAW_DBF_TEXT_(2, setup, "%s", p_env->api_type);
return count;
}
......@@ -4295,8 +3204,8 @@ claw_wbuff_write(struct device *dev, struct device_attribute *attr, const char *
if ((nnn > max ) || (nnn < 2))
return -EINVAL;
p_env->write_buffers = nnn;
CLAW_DBF_TEXT(2,setup,"Wbufset");
CLAW_DBF_TEXT_(2,setup,"WB=%d",p_env->write_buffers);
CLAW_DBF_TEXT(2, setup, "Wbufset");
CLAW_DBF_TEXT_(2, setup, "WB=%d", p_env->write_buffers);
return count;
}
......@@ -4336,8 +3245,8 @@ claw_rbuff_write(struct device *dev, struct device_attribute *attr, const char *
if ((nnn > max ) || (nnn < 2))
return -EINVAL;
p_env->read_buffers = nnn;
CLAW_DBF_TEXT(2,setup,"Rbufset");
CLAW_DBF_TEXT_(2,setup,"RB=%d",p_env->read_buffers);
CLAW_DBF_TEXT(2, setup, "Rbufset");
CLAW_DBF_TEXT_(2, setup, "RB=%d", p_env->read_buffers);
return count;
}
......@@ -4359,16 +3268,14 @@ static struct attribute_group claw_attr_group = {
static int
claw_add_files(struct device *dev)
{
pr_debug("%s() called\n", __func__);
CLAW_DBF_TEXT(2,setup,"add_file");
CLAW_DBF_TEXT(2, setup, "add_file");
return sysfs_create_group(&dev->kobj, &claw_attr_group);
}
static void
claw_remove_files(struct device *dev)
{
pr_debug("%s() called\n", __func__);
CLAW_DBF_TEXT(2,setup,"rem_file");
CLAW_DBF_TEXT(2, setup, "rem_file");
sysfs_remove_group(&dev->kobj, &claw_attr_group);
}
......@@ -4397,35 +3304,27 @@ claw_init(void)
int ret = 0;
printk(KERN_INFO "claw: starting driver\n");
#ifdef FUNCTRACE
printk(KERN_INFO "claw: %s() enter \n",__func__);
#endif
ret = claw_register_debug_facility();
if (ret) {
printk(KERN_WARNING "claw: %s() debug_register failed %d\n",
__func__,ret);
return ret;
}
CLAW_DBF_TEXT(2,setup,"init_mod");
CLAW_DBF_TEXT(2, setup, "init_mod");
ret = register_cu3088_discipline(&claw_group_driver);
if (ret) {
CLAW_DBF_TEXT(2, setup, "init_bad");
claw_unregister_debug_facility();
printk(KERN_WARNING "claw; %s() cu3088 register failed %d\n",
__func__,ret);
}
#ifdef FUNCTRACE
printk(KERN_INFO "claw: %s() exit \n",__func__);
#endif
return ret;
}
module_init(claw_init);
module_exit(claw_cleanup);
/*--------------------------------------------------------------------*
* End of File *
*---------------------------------------------------------------------*/
MODULE_AUTHOR("Andy Richter <richtera@us.ibm.com>");
MODULE_DESCRIPTION("Linux for System z CLAW Driver\n" \
"Copyright 2000,2008 IBM Corporation\n");
MODULE_LICENSE("GPL");
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