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-rw-r--r--drivers/s390/net/claw.c2141
1 files changed, 520 insertions, 1621 deletions
diff --git a/drivers/s390/net/claw.c b/drivers/s390/net/claw.c
index c644669a75c2..a08b1682c8e8 100644
--- a/drivers/s390/net/claw.c
+++ b/drivers/s390/net/claw.c
@@ -58,13 +58,13 @@
58 * 1.10 Changes for Buffer allocation 58 * 1.10 Changes for Buffer allocation
59 * 1.15 Changed for 2.6 Kernel No longer compiles on 2.4 or lower 59 * 1.15 Changed for 2.6 Kernel No longer compiles on 2.4 or lower
60 * 1.25 Added Packing support 60 * 1.25 Added Packing support
61 * 1.5
61 */ 62 */
62#include <asm/ccwdev.h> 63#include <asm/ccwdev.h>
63#include <asm/ccwgroup.h> 64#include <asm/ccwgroup.h>
64#include <asm/debug.h> 65#include <asm/debug.h>
65#include <asm/idals.h> 66#include <asm/idals.h>
66#include <asm/io.h> 67#include <asm/io.h>
67
68#include <linux/bitops.h> 68#include <linux/bitops.h>
69#include <linux/ctype.h> 69#include <linux/ctype.h>
70#include <linux/delay.h> 70#include <linux/delay.h>
@@ -90,36 +90,10 @@
90#include "cu3088.h" 90#include "cu3088.h"
91#include "claw.h" 91#include "claw.h"
92 92
93MODULE_AUTHOR("Andy Richter <richtera@us.ibm.com>"); 93/*
94MODULE_DESCRIPTION("Linux for zSeries CLAW Driver\n" \ 94 CLAW uses the s390dbf file system see claw_trace and claw_setup
95 "Copyright 2000,2005 IBM Corporation\n");
96MODULE_LICENSE("GPL");
97
98/* Debugging is based on DEBUGMSG, IOTRACE, or FUNCTRACE options:
99 DEBUGMSG - Enables output of various debug messages in the code
100 IOTRACE - Enables output of CCW and other IO related traces
101 FUNCTRACE - Enables output of function entry/exit trace
102 Define any combination of above options to enable tracing
103
104 CLAW also uses the s390dbf file system see claw_trace and claw_setup
105*/ 95*/
106 96
107/* following enables tracing */
108//#define DEBUGMSG
109//#define IOTRACE
110//#define FUNCTRACE
111
112#ifdef DEBUGMSG
113#define DEBUG
114#endif
115
116#ifdef IOTRACE
117#define DEBUG
118#endif
119
120#ifdef FUNCTRACE
121#define DEBUG
122#endif
123 97
124static char debug_buffer[255]; 98static char debug_buffer[255];
125/** 99/**
@@ -146,7 +120,6 @@ claw_register_debug_facility(void)
146 claw_dbf_setup = debug_register("claw_setup", 2, 1, 8); 120 claw_dbf_setup = debug_register("claw_setup", 2, 1, 8);
147 claw_dbf_trace = debug_register("claw_trace", 2, 2, 8); 121 claw_dbf_trace = debug_register("claw_trace", 2, 2, 8);
148 if (claw_dbf_setup == NULL || claw_dbf_trace == NULL) { 122 if (claw_dbf_setup == NULL || claw_dbf_trace == NULL) {
149 printk(KERN_WARNING "Not enough memory for debug facility.\n");
150 claw_unregister_debug_facility(); 123 claw_unregister_debug_facility();
151 return -ENOMEM; 124 return -ENOMEM;
152 } 125 }
@@ -232,9 +205,6 @@ static void probe_error( struct ccwgroup_device *cgdev);
232static struct net_device_stats *claw_stats(struct net_device *dev); 205static struct net_device_stats *claw_stats(struct net_device *dev);
233static int pages_to_order_of_mag(int num_of_pages); 206static int pages_to_order_of_mag(int num_of_pages);
234static struct sk_buff *claw_pack_skb(struct claw_privbk *privptr); 207static struct sk_buff *claw_pack_skb(struct claw_privbk *privptr);
235#ifdef DEBUG
236static void dumpit (char *buf, int len);
237#endif
238/* sysfs Functions */ 208/* sysfs Functions */
239static ssize_t claw_hname_show(struct device *dev, struct device_attribute *attr, char *buf); 209static ssize_t claw_hname_show(struct device *dev, struct device_attribute *attr, char *buf);
240static ssize_t claw_hname_write(struct device *dev, struct device_attribute *attr, 210static 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);
263static int claw_snd_sys_validate_rsp(struct net_device *dev, 233static int claw_snd_sys_validate_rsp(struct net_device *dev,
264 struct clawctl * p_ctl, __u32 return_code); 234 struct clawctl * p_ctl, __u32 return_code);
265static int claw_strt_conn_req(struct net_device *dev ); 235static int claw_strt_conn_req(struct net_device *dev );
266static void claw_strt_read ( struct net_device *dev, int lock ); 236static void claw_strt_read(struct net_device *dev, int lock);
267static void claw_strt_out_IO( struct net_device *dev ); 237static void claw_strt_out_IO(struct net_device *dev);
268static void claw_free_wrt_buf( struct net_device *dev ); 238static void claw_free_wrt_buf(struct net_device *dev);
269 239
270/* Functions for unpack reads */ 240/* Functions for unpack reads */
271static void unpack_read (struct net_device *dev ); 241static void unpack_read(struct net_device *dev);
272 242
273/* ccwgroup table */ 243/* ccwgroup table */
274 244
@@ -284,7 +254,6 @@ static struct ccwgroup_driver claw_group_driver = {
284}; 254};
285 255
286/* 256/*
287*
288* Key functions 257* Key functions
289*/ 258*/
290 259
@@ -298,23 +267,14 @@ claw_probe(struct ccwgroup_device *cgdev)
298 int rc; 267 int rc;
299 struct claw_privbk *privptr=NULL; 268 struct claw_privbk *privptr=NULL;
300 269
301#ifdef FUNCTRACE 270 CLAW_DBF_TEXT(2, setup, "probe");
302 printk(KERN_INFO "%s Enter\n",__func__);
303#endif
304 CLAW_DBF_TEXT(2,setup,"probe");
305 if (!get_device(&cgdev->dev)) 271 if (!get_device(&cgdev->dev))
306 return -ENODEV; 272 return -ENODEV;
307#ifdef DEBUGMSG
308 printk(KERN_INFO "claw: variable cgdev =\n");
309 dumpit((char *)cgdev, sizeof(struct ccwgroup_device));
310#endif
311 privptr = kzalloc(sizeof(struct claw_privbk), GFP_KERNEL); 273 privptr = kzalloc(sizeof(struct claw_privbk), GFP_KERNEL);
312 if (privptr == NULL) { 274 if (privptr == NULL) {
313 probe_error(cgdev); 275 probe_error(cgdev);
314 put_device(&cgdev->dev); 276 put_device(&cgdev->dev);
315 printk(KERN_WARNING "Out of memory %s %s Exit Line %d \n", 277 CLAW_DBF_TEXT_(2, setup, "probex%d", -ENOMEM);
316 cgdev->cdev[0]->dev.bus_id,__func__,__LINE__);
317 CLAW_DBF_TEXT_(2,setup,"probex%d",-ENOMEM);
318 return -ENOMEM; 278 return -ENOMEM;
319 } 279 }
320 privptr->p_mtc_envelope= kzalloc( MAX_ENVELOPE_SIZE, GFP_KERNEL); 280 privptr->p_mtc_envelope= kzalloc( MAX_ENVELOPE_SIZE, GFP_KERNEL);
@@ -322,9 +282,7 @@ claw_probe(struct ccwgroup_device *cgdev)
322 if ((privptr->p_mtc_envelope==NULL) || (privptr->p_env==NULL)) { 282 if ((privptr->p_mtc_envelope==NULL) || (privptr->p_env==NULL)) {
323 probe_error(cgdev); 283 probe_error(cgdev);
324 put_device(&cgdev->dev); 284 put_device(&cgdev->dev);
325 printk(KERN_WARNING "Out of memory %s %s Exit Line %d \n", 285 CLAW_DBF_TEXT_(2, setup, "probex%d", -ENOMEM);
326 cgdev->cdev[0]->dev.bus_id,__func__,__LINE__);
327 CLAW_DBF_TEXT_(2,setup,"probex%d",-ENOMEM);
328 return -ENOMEM; 286 return -ENOMEM;
329 } 287 }
330 memcpy(privptr->p_env->adapter_name,WS_NAME_NOT_DEF,8); 288 memcpy(privptr->p_env->adapter_name,WS_NAME_NOT_DEF,8);
@@ -341,19 +299,14 @@ claw_probe(struct ccwgroup_device *cgdev)
341 put_device(&cgdev->dev); 299 put_device(&cgdev->dev);
342 printk(KERN_WARNING "add_files failed %s %s Exit Line %d \n", 300 printk(KERN_WARNING "add_files failed %s %s Exit Line %d \n",
343 cgdev->cdev[0]->dev.bus_id,__func__,__LINE__); 301 cgdev->cdev[0]->dev.bus_id,__func__,__LINE__);
344 CLAW_DBF_TEXT_(2,setup,"probex%d",rc); 302 CLAW_DBF_TEXT_(2, setup, "probex%d", rc);
345 return rc; 303 return rc;
346 } 304 }
347 printk(KERN_INFO "claw: sysfs files added for %s\n",cgdev->cdev[0]->dev.bus_id);
348 privptr->p_env->p_priv = privptr; 305 privptr->p_env->p_priv = privptr;
349 cgdev->cdev[0]->handler = claw_irq_handler; 306 cgdev->cdev[0]->handler = claw_irq_handler;
350 cgdev->cdev[1]->handler = claw_irq_handler; 307 cgdev->cdev[1]->handler = claw_irq_handler;
351 cgdev->dev.driver_data = privptr; 308 cgdev->dev.driver_data = privptr;
352#ifdef FUNCTRACE 309 CLAW_DBF_TEXT(2, setup, "prbext 0");
353 printk(KERN_INFO "claw:%s exit on line %d, "
354 "rc = 0\n",__func__,__LINE__);
355#endif
356 CLAW_DBF_TEXT(2,setup,"prbext 0");
357 310
358 return 0; 311 return 0;
359} /* end of claw_probe */ 312} /* end of claw_probe */
@@ -370,37 +323,18 @@ claw_tx(struct sk_buff *skb, struct net_device *dev)
370 unsigned long saveflags; 323 unsigned long saveflags;
371 struct chbk *p_ch; 324 struct chbk *p_ch;
372 325
373#ifdef FUNCTRACE 326 CLAW_DBF_TEXT(4, trace, "claw_tx");
374 printk(KERN_INFO "%s:%s enter\n",dev->name,__func__);
375#endif
376 CLAW_DBF_TEXT(4,trace,"claw_tx");
377 p_ch=&privptr->channel[WRITE]; 327 p_ch=&privptr->channel[WRITE];
378 if (skb == NULL) { 328 if (skb == NULL) {
379 printk(KERN_WARNING "%s: null pointer passed as sk_buffer\n",
380 dev->name);
381 privptr->stats.tx_dropped++; 329 privptr->stats.tx_dropped++;
382#ifdef FUNCTRACE 330 privptr->stats.tx_errors++;
383 printk(KERN_INFO "%s: %s() exit on line %d, rc = EIO\n", 331 CLAW_DBF_TEXT_(2, trace, "clawtx%d", -EIO);
384 dev->name,__func__, __LINE__);
385#endif
386 CLAW_DBF_TEXT_(2,trace,"clawtx%d",-EIO);
387 return -EIO; 332 return -EIO;
388 } 333 }
389
390#ifdef IOTRACE
391 printk(KERN_INFO "%s: variable sk_buff=\n",dev->name);
392 dumpit((char *) skb, sizeof(struct sk_buff));
393 printk(KERN_INFO "%s: variable dev=\n",dev->name);
394 dumpit((char *) dev, sizeof(struct net_device));
395#endif
396 spin_lock_irqsave(get_ccwdev_lock(p_ch->cdev), saveflags); 334 spin_lock_irqsave(get_ccwdev_lock(p_ch->cdev), saveflags);
397 rc=claw_hw_tx( skb, dev, 1 ); 335 rc=claw_hw_tx( skb, dev, 1 );
398 spin_unlock_irqrestore(get_ccwdev_lock(p_ch->cdev), saveflags); 336 spin_unlock_irqrestore(get_ccwdev_lock(p_ch->cdev), saveflags);
399#ifdef FUNCTRACE 337 CLAW_DBF_TEXT_(4, trace, "clawtx%d", rc);
400 printk(KERN_INFO "%s:%s exit on line %d, rc = %d\n",
401 dev->name, __func__, __LINE__, rc);
402#endif
403 CLAW_DBF_TEXT_(4,trace,"clawtx%d",rc);
404 return rc; 338 return rc;
405} /* end of claw_tx */ 339} /* end of claw_tx */
406 340
@@ -419,7 +353,7 @@ claw_pack_skb(struct claw_privbk *privptr)
419 353
420 new_skb = NULL; /* assume no dice */ 354 new_skb = NULL; /* assume no dice */
421 pkt_cnt = 0; 355 pkt_cnt = 0;
422 CLAW_DBF_TEXT(4,trace,"PackSKBe"); 356 CLAW_DBF_TEXT(4, trace, "PackSKBe");
423 if (!skb_queue_empty(&p_ch->collect_queue)) { 357 if (!skb_queue_empty(&p_ch->collect_queue)) {
424 /* some data */ 358 /* some data */
425 held_skb = skb_dequeue(&p_ch->collect_queue); 359 held_skb = skb_dequeue(&p_ch->collect_queue);
@@ -457,13 +391,8 @@ claw_pack_skb(struct claw_privbk *privptr)
457 skb_queue_head(&p_ch->collect_queue,held_skb); 391 skb_queue_head(&p_ch->collect_queue,held_skb);
458 } 392 }
459 } 393 }
460#ifdef IOTRACE
461 printk(KERN_INFO "%s: %s() Packed %d len %d\n",
462 p_env->ndev->name,
463 __func__,pkt_cnt,new_skb->len);
464#endif
465 } 394 }
466 CLAW_DBF_TEXT(4,trace,"PackSKBx"); 395 CLAW_DBF_TEXT(4, trace, "PackSKBx");
467 return new_skb; 396 return new_skb;
468} 397}
469 398
@@ -477,29 +406,12 @@ claw_change_mtu(struct net_device *dev, int new_mtu)
477{ 406{
478 struct claw_privbk *privptr=dev->priv; 407 struct claw_privbk *privptr=dev->priv;
479 int buff_size; 408 int buff_size;
480#ifdef FUNCTRACE 409 CLAW_DBF_TEXT(4, trace, "setmtu");
481 printk(KERN_INFO "%s:%s Enter \n",dev->name,__func__);
482#endif
483#ifdef DEBUGMSG
484 printk(KERN_INFO "variable dev =\n");
485 dumpit((char *) dev, sizeof(struct net_device));
486 printk(KERN_INFO "variable new_mtu = %d\n", new_mtu);
487#endif
488 CLAW_DBF_TEXT(4,trace,"setmtu");
489 buff_size = privptr->p_env->write_size; 410 buff_size = privptr->p_env->write_size;
490 if ((new_mtu < 60) || (new_mtu > buff_size)) { 411 if ((new_mtu < 60) || (new_mtu > buff_size)) {
491#ifdef FUNCTRACE
492 printk(KERN_INFO "%s:%s Exit on line %d, rc=EINVAL\n",
493 dev->name,
494 __func__, __LINE__);
495#endif
496 return -EINVAL; 412 return -EINVAL;
497 } 413 }
498 dev->mtu = new_mtu; 414 dev->mtu = new_mtu;
499#ifdef FUNCTRACE
500 printk(KERN_INFO "%s:%s Exit on line %d\n",dev->name,
501 __func__, __LINE__);
502#endif
503 return 0; 415 return 0;
504} /* end of claw_change_mtu */ 416} /* end of claw_change_mtu */
505 417
@@ -521,24 +433,13 @@ claw_open(struct net_device *dev)
521 struct timer_list timer; 433 struct timer_list timer;
522 struct ccwbk *p_buf; 434 struct ccwbk *p_buf;
523 435
524#ifdef FUNCTRACE 436 CLAW_DBF_TEXT(4, trace, "open");
525 printk(KERN_INFO "%s:%s Enter \n",dev->name,__func__);
526#endif
527 CLAW_DBF_TEXT(4,trace,"open");
528 if (!dev || (dev->name[0] == 0x00)) {
529 CLAW_DBF_TEXT(2,trace,"BadDev");
530 printk(KERN_WARNING "claw: Bad device at open failing \n");
531 return -ENODEV;
532 }
533 privptr = (struct claw_privbk *)dev->priv; 437 privptr = (struct claw_privbk *)dev->priv;
534 /* allocate and initialize CCW blocks */ 438 /* allocate and initialize CCW blocks */
535 if (privptr->buffs_alloc == 0) { 439 if (privptr->buffs_alloc == 0) {
536 rc=init_ccw_bk(dev); 440 rc=init_ccw_bk(dev);
537 if (rc) { 441 if (rc) {
538 printk(KERN_INFO "%s:%s Exit on line %d, rc=ENOMEM\n", 442 CLAW_DBF_TEXT(2, trace, "openmem");
539 dev->name,
540 __func__, __LINE__);
541 CLAW_DBF_TEXT(2,trace,"openmem");
542 return -ENOMEM; 443 return -ENOMEM;
543 } 444 }
544 } 445 }
@@ -557,7 +458,7 @@ claw_open(struct net_device *dev)
557 tasklet_init(&privptr->channel[READ].tasklet, claw_irq_tasklet, 458 tasklet_init(&privptr->channel[READ].tasklet, claw_irq_tasklet,
558 (unsigned long) &privptr->channel[READ]); 459 (unsigned long) &privptr->channel[READ]);
559 for ( i = 0; i < 2; i++) { 460 for ( i = 0; i < 2; i++) {
560 CLAW_DBF_TEXT_(2,trace,"opn_ch%d",i); 461 CLAW_DBF_TEXT_(2, trace, "opn_ch%d", i);
561 init_waitqueue_head(&privptr->channel[i].wait); 462 init_waitqueue_head(&privptr->channel[i].wait);
562 /* skb_queue_head_init(&p_ch->io_queue); */ 463 /* skb_queue_head_init(&p_ch->io_queue); */
563 if (i == WRITE) 464 if (i == WRITE)
@@ -595,15 +496,8 @@ claw_open(struct net_device *dev)
595 ~(DEV_STAT_CHN_END | DEV_STAT_DEV_END)) != 0x00) || 496 ~(DEV_STAT_CHN_END | DEV_STAT_DEV_END)) != 0x00) ||
596 (((privptr->channel[READ].flag | 497 (((privptr->channel[READ].flag |
597 privptr->channel[WRITE].flag) & CLAW_TIMER) != 0x00)) { 498 privptr->channel[WRITE].flag) & CLAW_TIMER) != 0x00)) {
598#ifdef DEBUGMSG
599 printk(KERN_INFO "%s: channel problems during open - read:"
600 " %02x - write: %02x\n",
601 dev->name,
602 privptr->channel[READ].last_dstat,
603 privptr->channel[WRITE].last_dstat);
604#endif
605 printk(KERN_INFO "%s: remote side is not ready\n", dev->name); 499 printk(KERN_INFO "%s: remote side is not ready\n", dev->name);
606 CLAW_DBF_TEXT(2,trace,"notrdy"); 500 CLAW_DBF_TEXT(2, trace, "notrdy");
607 501
608 for ( i = 0; i < 2; i++) { 502 for ( i = 0; i < 2; i++) {
609 spin_lock_irqsave( 503 spin_lock_irqsave(
@@ -659,23 +553,14 @@ claw_open(struct net_device *dev)
659 privptr->p_buff_read=NULL; 553 privptr->p_buff_read=NULL;
660 privptr->p_buff_write=NULL; 554 privptr->p_buff_write=NULL;
661 claw_clear_busy(dev); 555 claw_clear_busy(dev);
662#ifdef FUNCTRACE 556 CLAW_DBF_TEXT(2, trace, "open EIO");
663 printk(KERN_INFO "%s:%s Exit on line %d, rc=EIO\n",
664 dev->name,__func__,__LINE__);
665#endif
666 CLAW_DBF_TEXT(2,trace,"open EIO");
667 return -EIO; 557 return -EIO;
668 } 558 }
669 559
670 /* Send SystemValidate command */ 560 /* Send SystemValidate command */
671 561
672 claw_clear_busy(dev); 562 claw_clear_busy(dev);
673 563 CLAW_DBF_TEXT(4, trace, "openok");
674#ifdef FUNCTRACE
675 printk(KERN_INFO "%s:%s Exit on line %d, rc=0\n",
676 dev->name,__func__,__LINE__);
677#endif
678 CLAW_DBF_TEXT(4,trace,"openok");
679 return 0; 564 return 0;
680} /* end of claw_open */ 565} /* end of claw_open */
681 566
@@ -694,22 +579,14 @@ claw_irq_handler(struct ccw_device *cdev,
694 struct claw_env *p_env; 579 struct claw_env *p_env;
695 struct chbk *p_ch_r=NULL; 580 struct chbk *p_ch_r=NULL;
696 581
697 582 CLAW_DBF_TEXT(4, trace, "clawirq");
698#ifdef FUNCTRACE
699 printk(KERN_INFO "%s enter \n",__func__);
700#endif
701 CLAW_DBF_TEXT(4,trace,"clawirq");
702 /* Bypass all 'unsolicited interrupts' */ 583 /* Bypass all 'unsolicited interrupts' */
703 if (!cdev->dev.driver_data) { 584 if (!cdev->dev.driver_data) {
704 printk(KERN_WARNING "claw: unsolicited interrupt for device:" 585 printk(KERN_WARNING "claw: unsolicited interrupt for device:"
705 "%s received c-%02x d-%02x\n", 586 "%s received c-%02x d-%02x\n",
706 cdev->dev.bus_id, irb->scsw.cmd.cstat, 587 cdev->dev.bus_id, irb->scsw.cmd.cstat,
707 irb->scsw.cmd.dstat); 588 irb->scsw.cmd.dstat);
708#ifdef FUNCTRACE 589 CLAW_DBF_TEXT(2, trace, "badirq");
709 printk(KERN_INFO "claw: %s() "
710 "exit on line %d\n",__func__,__LINE__);
711#endif
712 CLAW_DBF_TEXT(2,trace,"badirq");
713 return; 590 return;
714 } 591 }
715 privptr = (struct claw_privbk *)cdev->dev.driver_data; 592 privptr = (struct claw_privbk *)cdev->dev.driver_data;
@@ -722,41 +599,25 @@ claw_irq_handler(struct ccw_device *cdev,
722 else { 599 else {
723 printk(KERN_WARNING "claw: Can't determine channel for " 600 printk(KERN_WARNING "claw: Can't determine channel for "
724 "interrupt, device %s\n", cdev->dev.bus_id); 601 "interrupt, device %s\n", cdev->dev.bus_id);
725 CLAW_DBF_TEXT(2,trace,"badchan"); 602 CLAW_DBF_TEXT(2, trace, "badchan");
726 return; 603 return;
727 } 604 }
728 CLAW_DBF_TEXT_(4,trace,"IRQCH=%d",p_ch->flag); 605 CLAW_DBF_TEXT_(4, trace, "IRQCH=%d", p_ch->flag);
729 606
730 dev = (struct net_device *) (p_ch->ndev); 607 dev = (struct net_device *) (p_ch->ndev);
731 p_env=privptr->p_env; 608 p_env=privptr->p_env;
732 609
733#ifdef IOTRACE
734 printk(KERN_INFO "%s: interrupt for device: %04x "
735 "received c-%02x d-%02x state-%02x\n",
736 dev->name, p_ch->devno, irb->scsw.cmd.cstat,
737 irb->scsw.cmd.dstat, p_ch->claw_state);
738#endif
739
740 /* Copy interruption response block. */ 610 /* Copy interruption response block. */
741 memcpy(p_ch->irb, irb, sizeof(struct irb)); 611 memcpy(p_ch->irb, irb, sizeof(struct irb));
742 612
743 /* Check for good subchannel return code, otherwise error message */ 613 /* Check for good subchannel return code, otherwise info message */
744 if (irb->scsw.cmd.cstat && !(irb->scsw.cmd.cstat & SCHN_STAT_PCI)) { 614 if (irb->scsw.cmd.cstat && !(irb->scsw.cmd.cstat & SCHN_STAT_PCI)) {
745 printk(KERN_INFO "%s: subchannel check for device: %04x -" 615 printk(KERN_INFO "%s: subchannel check for device: %04x -"
746 " Sch Stat %02x Dev Stat %02x CPA - %04x\n", 616 " Sch Stat %02x Dev Stat %02x CPA - %04x\n",
747 dev->name, p_ch->devno, 617 dev->name, p_ch->devno,
748 irb->scsw.cmd.cstat, irb->scsw.cmd.dstat, 618 irb->scsw.cmd.cstat, irb->scsw.cmd.dstat,
749 irb->scsw.cmd.cpa); 619 irb->scsw.cmd.cpa);
750#ifdef IOTRACE 620 CLAW_DBF_TEXT(2, trace, "chanchk");
751 dumpit((char *)irb,sizeof(struct irb));
752 dumpit((char *)(unsigned long)irb->scsw.cmd.cpa,
753 sizeof(struct ccw1));
754#endif
755#ifdef FUNCTRACE
756 printk(KERN_INFO "%s:%s Exit on line %d\n",
757 dev->name,__func__,__LINE__);
758#endif
759 CLAW_DBF_TEXT(2,trace,"chanchk");
760 /* return; */ 621 /* return; */
761 } 622 }
762 623
@@ -768,233 +629,138 @@ claw_irq_handler(struct ccw_device *cdev,
768 p_ch->last_dstat = irb->scsw.cmd.dstat; 629 p_ch->last_dstat = irb->scsw.cmd.dstat;
769 630
770 switch (p_ch->claw_state) { 631 switch (p_ch->claw_state) {
771 case CLAW_STOP:/* HALT_IO by claw_release (halt sequence) */ 632 case CLAW_STOP:/* HALT_IO by claw_release (halt sequence) */
772#ifdef DEBUGMSG 633 if (!((p_ch->irb->scsw.cmd.stctl & SCSW_STCTL_SEC_STATUS) ||
773 printk(KERN_INFO "%s: CLAW_STOP enter\n", dev->name); 634 (p_ch->irb->scsw.cmd.stctl == SCSW_STCTL_STATUS_PEND) ||
774#endif 635 (p_ch->irb->scsw.cmd.stctl ==
775 if (!((p_ch->irb->scsw.cmd.stctl & 636 (SCSW_STCTL_ALERT_STATUS | SCSW_STCTL_STATUS_PEND))))
776 SCSW_STCTL_SEC_STATUS) || 637 return;
777 (p_ch->irb->scsw.cmd.stctl == 638 wake_up(&p_ch->wait); /* wake up claw_release */
778 SCSW_STCTL_STATUS_PEND) || 639 CLAW_DBF_TEXT(4, trace, "stop");
779 (p_ch->irb->scsw.cmd.stctl == 640 return;
780 (SCSW_STCTL_ALERT_STATUS | 641 case CLAW_START_HALT_IO: /* HALT_IO issued by claw_open */
781 SCSW_STCTL_STATUS_PEND)))) { 642 if (!((p_ch->irb->scsw.cmd.stctl & SCSW_STCTL_SEC_STATUS) ||
782#ifdef FUNCTRACE 643 (p_ch->irb->scsw.cmd.stctl == SCSW_STCTL_STATUS_PEND) ||
783 printk(KERN_INFO "%s:%s Exit on line %d\n", 644 (p_ch->irb->scsw.cmd.stctl ==
784 dev->name,__func__,__LINE__); 645 (SCSW_STCTL_ALERT_STATUS | SCSW_STCTL_STATUS_PEND)))) {
785#endif 646 CLAW_DBF_TEXT(4, trace, "haltio");
786 return; 647 return;
787 } 648 }
788 wake_up(&p_ch->wait); /* wake up claw_release */ 649 if (p_ch->flag == CLAW_READ) {
789 650 p_ch->claw_state = CLAW_START_READ;
790#ifdef DEBUGMSG 651 wake_up(&p_ch->wait); /* wake claw_open (READ)*/
791 printk(KERN_INFO "%s: CLAW_STOP exit\n", dev->name); 652 } else if (p_ch->flag == CLAW_WRITE) {
792#endif 653 p_ch->claw_state = CLAW_START_WRITE;
793#ifdef FUNCTRACE 654 /* send SYSTEM_VALIDATE */
794 printk(KERN_INFO "%s:%s Exit on line %d\n", 655 claw_strt_read(dev, LOCK_NO);
795 dev->name,__func__,__LINE__); 656 claw_send_control(dev,
796#endif 657 SYSTEM_VALIDATE_REQUEST,
797 CLAW_DBF_TEXT(4,trace,"stop"); 658 0, 0, 0,
798 return; 659 p_env->host_name,
799 660 p_env->adapter_name);
800 case CLAW_START_HALT_IO: /* HALT_IO issued by claw_open */ 661 } else {
801#ifdef DEBUGMSG 662 printk(KERN_WARNING "claw: unsolicited "
802 printk(KERN_INFO "%s: process CLAW_STAT_HALT_IO\n", 663 "interrupt for device:"
803 dev->name); 664 "%s received c-%02x d-%02x\n",
804#endif 665 cdev->dev.bus_id,
805 if (!((p_ch->irb->scsw.cmd.stctl & 666 irb->scsw.cmd.cstat,
806 SCSW_STCTL_SEC_STATUS) || 667 irb->scsw.cmd.dstat);
807 (p_ch->irb->scsw.cmd.stctl == 668 return;
808 SCSW_STCTL_STATUS_PEND) || 669 }
809 (p_ch->irb->scsw.cmd.stctl == 670 CLAW_DBF_TEXT(4, trace, "haltio");
810 (SCSW_STCTL_ALERT_STATUS | 671 return;
811 SCSW_STCTL_STATUS_PEND)))) { 672 case CLAW_START_READ:
812#ifdef FUNCTRACE 673 CLAW_DBF_TEXT(4, trace, "ReadIRQ");
813 printk(KERN_INFO "%s:%s Exit on line %d\n", 674 if (p_ch->irb->scsw.cmd.dstat & DEV_STAT_UNIT_CHECK) {
814 dev->name,__func__,__LINE__); 675 clear_bit(0, (void *)&p_ch->IO_active);
815#endif 676 if ((p_ch->irb->ecw[0] & 0x41) == 0x41 ||
816 CLAW_DBF_TEXT(4,trace,"haltio"); 677 (p_ch->irb->ecw[0] & 0x40) == 0x40 ||
817 return; 678 (p_ch->irb->ecw[0]) == 0) {
818 } 679 privptr->stats.rx_errors++;
819 if (p_ch->flag == CLAW_READ) { 680 printk(KERN_INFO "%s: Restart is "
820 p_ch->claw_state = CLAW_START_READ; 681 "required after remote "
821 wake_up(&p_ch->wait); /* wake claw_open (READ)*/ 682 "side recovers \n",
822 } 683 dev->name);
684 }
685 CLAW_DBF_TEXT(4, trace, "notrdy");
686 return;
687 }
688 if ((p_ch->irb->scsw.cmd.cstat & SCHN_STAT_PCI) &&
689 (p_ch->irb->scsw.cmd.dstat == 0)) {
690 if (test_and_set_bit(CLAW_BH_ACTIVE,
691 (void *)&p_ch->flag_a) == 0)
692 tasklet_schedule(&p_ch->tasklet);
823 else 693 else
824 if (p_ch->flag == CLAW_WRITE) { 694 CLAW_DBF_TEXT(4, trace, "PCINoBH");
825 p_ch->claw_state = CLAW_START_WRITE; 695 CLAW_DBF_TEXT(4, trace, "PCI_read");
826 /* send SYSTEM_VALIDATE */ 696 return;
827 claw_strt_read(dev, LOCK_NO); 697 }
828 claw_send_control(dev, 698 if (!((p_ch->irb->scsw.cmd.stctl & SCSW_STCTL_SEC_STATUS) ||
829 SYSTEM_VALIDATE_REQUEST, 699 (p_ch->irb->scsw.cmd.stctl == SCSW_STCTL_STATUS_PEND) ||
830 0, 0, 0, 700 (p_ch->irb->scsw.cmd.stctl ==
831 p_env->host_name, 701 (SCSW_STCTL_ALERT_STATUS | SCSW_STCTL_STATUS_PEND)))) {
832 p_env->adapter_name ); 702 CLAW_DBF_TEXT(4, trace, "SPend_rd");
833 } else { 703 return;
834 printk(KERN_WARNING "claw: unsolicited " 704 }
835 "interrupt for device:" 705 clear_bit(0, (void *)&p_ch->IO_active);
836 "%s received c-%02x d-%02x\n", 706 claw_clearbit_busy(TB_RETRY, dev);
837 cdev->dev.bus_id, 707 if (test_and_set_bit(CLAW_BH_ACTIVE,
838 irb->scsw.cmd.cstat, 708 (void *)&p_ch->flag_a) == 0)
839 irb->scsw.cmd.dstat); 709 tasklet_schedule(&p_ch->tasklet);
840 return; 710 else
841 } 711 CLAW_DBF_TEXT(4, trace, "RdBHAct");
842#ifdef DEBUGMSG 712 CLAW_DBF_TEXT(4, trace, "RdIRQXit");
843 printk(KERN_INFO "%s: process CLAW_STAT_HALT_IO exit\n", 713 return;
844 dev->name); 714 case CLAW_START_WRITE:
845#endif 715 if (p_ch->irb->scsw.cmd.dstat & DEV_STAT_UNIT_CHECK) {
846#ifdef FUNCTRACE 716 printk(KERN_INFO "%s: Unit Check Occured in "
847 printk(KERN_INFO "%s:%s Exit on line %d\n", 717 "write channel\n", dev->name);
848 dev->name,__func__,__LINE__); 718 clear_bit(0, (void *)&p_ch->IO_active);
849#endif 719 if (p_ch->irb->ecw[0] & 0x80) {
850 CLAW_DBF_TEXT(4,trace,"haltio"); 720 printk(KERN_INFO "%s: Resetting Event "
851 return; 721 "occurred:\n", dev->name);
852 case CLAW_START_READ: 722 init_timer(&p_ch->timer);
853 CLAW_DBF_TEXT(4,trace,"ReadIRQ"); 723 p_ch->timer.function =
854 if (p_ch->irb->scsw.cmd.dstat & DEV_STAT_UNIT_CHECK) { 724 (void *)claw_write_retry;
855 clear_bit(0, (void *)&p_ch->IO_active); 725 p_ch->timer.data = (unsigned long)p_ch;
856 if ((p_ch->irb->ecw[0] & 0x41) == 0x41 || 726 p_ch->timer.expires = jiffies + 10*HZ;
857 (p_ch->irb->ecw[0] & 0x40) == 0x40 || 727 add_timer(&p_ch->timer);
858 (p_ch->irb->ecw[0]) == 0) 728 printk(KERN_INFO "%s: write connection "
859 { 729 "restarting\n", dev->name);
860 privptr->stats.rx_errors++; 730 }
861 printk(KERN_INFO "%s: Restart is " 731 CLAW_DBF_TEXT(4, trace, "rstrtwrt");
862 "required after remote " 732 return;
863 "side recovers \n", 733 }
864 dev->name); 734 if (p_ch->irb->scsw.cmd.dstat & DEV_STAT_UNIT_EXCEP) {
865 } 735 clear_bit(0, (void *)&p_ch->IO_active);
866#ifdef FUNCTRACE 736 printk(KERN_INFO "%s: Unit Exception "
867 printk(KERN_INFO "%s:%s Exit on line %d\n", 737 "Occured in write channel\n",
868 dev->name,__func__,__LINE__); 738 dev->name);
869#endif 739 }
870 CLAW_DBF_TEXT(4,trace,"notrdy"); 740 if (!((p_ch->irb->scsw.cmd.stctl & SCSW_STCTL_SEC_STATUS) ||
871 return; 741 (p_ch->irb->scsw.cmd.stctl == SCSW_STCTL_STATUS_PEND) ||
872 } 742 (p_ch->irb->scsw.cmd.stctl ==
873 if ((p_ch->irb->scsw.cmd.cstat & SCHN_STAT_PCI) && 743 (SCSW_STCTL_ALERT_STATUS | SCSW_STCTL_STATUS_PEND)))) {
874 (p_ch->irb->scsw.cmd.dstat == 0)) { 744 CLAW_DBF_TEXT(4, trace, "writeUE");
875 if (test_and_set_bit(CLAW_BH_ACTIVE, 745 return;
876 (void *)&p_ch->flag_a) == 0) { 746 }
877 tasklet_schedule(&p_ch->tasklet); 747 clear_bit(0, (void *)&p_ch->IO_active);
878 } 748 if (claw_test_and_setbit_busy(TB_TX, dev) == 0) {
879 else { 749 claw_write_next(p_ch);
880 CLAW_DBF_TEXT(4,trace,"PCINoBH"); 750 claw_clearbit_busy(TB_TX, dev);
881 } 751 claw_clear_busy(dev);
882#ifdef FUNCTRACE 752 }
883 printk(KERN_INFO "%s:%s Exit on line %d\n", 753 p_ch_r = (struct chbk *)&privptr->channel[READ];
884 dev->name,__func__,__LINE__); 754 if (test_and_set_bit(CLAW_BH_ACTIVE,
885#endif 755 (void *)&p_ch_r->flag_a) == 0)
886 CLAW_DBF_TEXT(4,trace,"PCI_read"); 756 tasklet_schedule(&p_ch_r->tasklet);
887 return; 757 CLAW_DBF_TEXT(4, trace, "StWtExit");
888 } 758 return;
889 if (!((p_ch->irb->scsw.cmd.stctl & 759 default:
890 SCSW_STCTL_SEC_STATUS) || 760 printk(KERN_WARNING "%s: wrong selection code - irq "
891 (p_ch->irb->scsw.cmd.stctl == 761 "state=%d\n", dev->name, p_ch->claw_state);
892 SCSW_STCTL_STATUS_PEND) || 762 CLAW_DBF_TEXT(2, trace, "badIRQ");
893 (p_ch->irb->scsw.cmd.stctl == 763 return;
894 (SCSW_STCTL_ALERT_STATUS |
895 SCSW_STCTL_STATUS_PEND)))) {
896#ifdef FUNCTRACE
897 printk(KERN_INFO "%s:%s Exit on line %d\n",
898 dev->name,__func__,__LINE__);
899#endif
900 CLAW_DBF_TEXT(4,trace,"SPend_rd");
901 return;
902 }
903 clear_bit(0, (void *)&p_ch->IO_active);
904 claw_clearbit_busy(TB_RETRY,dev);
905 if (test_and_set_bit(CLAW_BH_ACTIVE,
906 (void *)&p_ch->flag_a) == 0) {
907 tasklet_schedule(&p_ch->tasklet);
908 }
909 else {
910 CLAW_DBF_TEXT(4,trace,"RdBHAct");
911 }
912
913#ifdef DEBUGMSG
914 printk(KERN_INFO "%s: process CLAW_START_READ exit\n",
915 dev->name);
916#endif
917#ifdef FUNCTRACE
918 printk(KERN_INFO "%s:%s Exit on line %d\n",
919 dev->name,__func__,__LINE__);
920#endif
921 CLAW_DBF_TEXT(4,trace,"RdIRQXit");
922 return;
923 case CLAW_START_WRITE:
924 if (p_ch->irb->scsw.cmd.dstat & DEV_STAT_UNIT_CHECK) {
925 printk(KERN_INFO "%s: Unit Check Occured in "
926 "write channel\n",dev->name);
927 clear_bit(0, (void *)&p_ch->IO_active);
928 if (p_ch->irb->ecw[0] & 0x80 ) {
929 printk(KERN_INFO "%s: Resetting Event "
930 "occurred:\n",dev->name);
931 init_timer(&p_ch->timer);
932 p_ch->timer.function =
933 (void *)claw_write_retry;
934 p_ch->timer.data = (unsigned long)p_ch;
935 p_ch->timer.expires = jiffies + 10*HZ;
936 add_timer(&p_ch->timer);
937 printk(KERN_INFO "%s: write connection "
938 "restarting\n",dev->name);
939 }
940#ifdef FUNCTRACE
941 printk(KERN_INFO "%s:%s Exit on line %d\n",
942 dev->name,__func__,__LINE__);
943#endif
944 CLAW_DBF_TEXT(4,trace,"rstrtwrt");
945 return;
946 }
947 if (p_ch->irb->scsw.cmd.dstat & DEV_STAT_UNIT_EXCEP) {
948 clear_bit(0, (void *)&p_ch->IO_active);
949 printk(KERN_INFO "%s: Unit Exception "
950 "Occured in write channel\n",
951 dev->name);
952 }
953 if (!((p_ch->irb->scsw.cmd.stctl &
954 SCSW_STCTL_SEC_STATUS) ||
955 (p_ch->irb->scsw.cmd.stctl ==
956 SCSW_STCTL_STATUS_PEND) ||
957 (p_ch->irb->scsw.cmd.stctl ==
958 (SCSW_STCTL_ALERT_STATUS |
959 SCSW_STCTL_STATUS_PEND)))) {
960#ifdef FUNCTRACE
961 printk(KERN_INFO "%s:%s Exit on line %d\n",
962 dev->name,__func__,__LINE__);
963#endif
964 CLAW_DBF_TEXT(4,trace,"writeUE");
965 return;
966 }
967 clear_bit(0, (void *)&p_ch->IO_active);
968 if (claw_test_and_setbit_busy(TB_TX,dev)==0) {
969 claw_write_next(p_ch);
970 claw_clearbit_busy(TB_TX,dev);
971 claw_clear_busy(dev);
972 }
973 p_ch_r=(struct chbk *)&privptr->channel[READ];
974 if (test_and_set_bit(CLAW_BH_ACTIVE,
975 (void *)&p_ch_r->flag_a) == 0) {
976 tasklet_schedule(&p_ch_r->tasklet);
977 }
978
979#ifdef DEBUGMSG
980 printk(KERN_INFO "%s: process CLAW_START_WRITE exit\n",
981 dev->name);
982#endif
983#ifdef FUNCTRACE
984 printk(KERN_INFO "%s:%s Exit on line %d\n",
985 dev->name,__func__,__LINE__);
986#endif
987 CLAW_DBF_TEXT(4,trace,"StWtExit");
988 return;
989 default:
990 printk(KERN_WARNING "%s: wrong selection code - irq "
991 "state=%d\n",dev->name,p_ch->claw_state);
992#ifdef FUNCTRACE
993 printk(KERN_INFO "%s:%s Exit on line %d\n",
994 dev->name,__func__,__LINE__);
995#endif
996 CLAW_DBF_TEXT(2,trace,"badIRQ");
997 return;
998 } 764 }
999 765
1000} /* end of claw_irq_handler */ 766} /* end of claw_irq_handler */
@@ -1013,29 +779,11 @@ claw_irq_tasklet ( unsigned long data )
1013 779
1014 p_ch = (struct chbk *) data; 780 p_ch = (struct chbk *) data;
1015 dev = (struct net_device *)p_ch->ndev; 781 dev = (struct net_device *)p_ch->ndev;
1016#ifdef FUNCTRACE 782 CLAW_DBF_TEXT(4, trace, "IRQtask");
1017 printk(KERN_INFO "%s:%s Enter \n",dev->name,__func__);
1018#endif
1019#ifdef DEBUGMSG
1020 printk(KERN_INFO "%s: variable p_ch =\n",dev->name);
1021 dumpit((char *) p_ch, sizeof(struct chbk));
1022#endif
1023 CLAW_DBF_TEXT(4,trace,"IRQtask");
1024
1025 privptr = (struct claw_privbk *) dev->priv; 783 privptr = (struct claw_privbk *) dev->priv;
1026
1027#ifdef DEBUGMSG
1028 printk(KERN_INFO "%s: bh routine - state-%02x\n" ,
1029 dev->name, p_ch->claw_state);
1030#endif
1031
1032 unpack_read(dev); 784 unpack_read(dev);
1033 clear_bit(CLAW_BH_ACTIVE, (void *)&p_ch->flag_a); 785 clear_bit(CLAW_BH_ACTIVE, (void *)&p_ch->flag_a);
1034 CLAW_DBF_TEXT(4,trace,"TskletXt"); 786 CLAW_DBF_TEXT(4, trace, "TskletXt");
1035#ifdef FUNCTRACE
1036 printk(KERN_INFO "%s:%s Exit on line %d\n",
1037 dev->name,__func__,__LINE__);
1038#endif
1039 return; 787 return;
1040} /* end of claw_irq_bh */ 788} /* end of claw_irq_bh */
1041 789
@@ -1060,16 +808,7 @@ claw_release(struct net_device *dev)
1060 privptr = (struct claw_privbk *) dev->priv; 808 privptr = (struct claw_privbk *) dev->priv;
1061 if (!privptr) 809 if (!privptr)
1062 return 0; 810 return 0;
1063#ifdef FUNCTRACE 811 CLAW_DBF_TEXT(4, trace, "release");
1064 printk(KERN_INFO "%s:%s Enter \n",dev->name,__func__);
1065#endif
1066 CLAW_DBF_TEXT(4,trace,"release");
1067#ifdef DEBUGMSG
1068 printk(KERN_INFO "%s: variable dev =\n",dev->name);
1069 dumpit((char *) dev, sizeof(struct net_device));
1070 printk(KERN_INFO "Priv Buffalloc %d\n",privptr->buffs_alloc);
1071 printk(KERN_INFO "Priv p_buff_ccw = %p\n",&privptr->p_buff_ccw);
1072#endif
1073 privptr->release_pend=1; 812 privptr->release_pend=1;
1074 claw_setbit_busy(TB_STOP,dev); 813 claw_setbit_busy(TB_STOP,dev);
1075 for ( i = 1; i >=0 ; i--) { 814 for ( i = 1; i >=0 ; i--) {
@@ -1101,19 +840,15 @@ claw_release(struct net_device *dev)
1101 privptr->pk_skb = NULL; 840 privptr->pk_skb = NULL;
1102 } 841 }
1103 if(privptr->buffs_alloc != 1) { 842 if(privptr->buffs_alloc != 1) {
1104#ifdef FUNCTRACE 843 CLAW_DBF_TEXT(4, trace, "none2fre");
1105 printk(KERN_INFO "%s:%s Exit on line %d\n",
1106 dev->name,__func__,__LINE__);
1107#endif
1108 CLAW_DBF_TEXT(4,trace,"none2fre");
1109 return 0; 844 return 0;
1110 } 845 }
1111 CLAW_DBF_TEXT(4,trace,"freebufs"); 846 CLAW_DBF_TEXT(4, trace, "freebufs");
1112 if (privptr->p_buff_ccw != NULL) { 847 if (privptr->p_buff_ccw != NULL) {
1113 free_pages((unsigned long)privptr->p_buff_ccw, 848 free_pages((unsigned long)privptr->p_buff_ccw,
1114 (int)pages_to_order_of_mag(privptr->p_buff_ccw_num)); 849 (int)pages_to_order_of_mag(privptr->p_buff_ccw_num));
1115 } 850 }
1116 CLAW_DBF_TEXT(4,trace,"freeread"); 851 CLAW_DBF_TEXT(4, trace, "freeread");
1117 if (privptr->p_env->read_size < PAGE_SIZE) { 852 if (privptr->p_env->read_size < PAGE_SIZE) {
1118 if (privptr->p_buff_read != NULL) { 853 if (privptr->p_buff_read != NULL) {
1119 free_pages((unsigned long)privptr->p_buff_read, 854 free_pages((unsigned long)privptr->p_buff_read,
@@ -1129,7 +864,7 @@ claw_release(struct net_device *dev)
1129 p_buf=p_buf->next; 864 p_buf=p_buf->next;
1130 } 865 }
1131 } 866 }
1132 CLAW_DBF_TEXT(4,trace,"freewrit"); 867 CLAW_DBF_TEXT(4, trace, "freewrit");
1133 if (privptr->p_env->write_size < PAGE_SIZE ) { 868 if (privptr->p_env->write_size < PAGE_SIZE ) {
1134 free_pages((unsigned long)privptr->p_buff_write, 869 free_pages((unsigned long)privptr->p_buff_write,
1135 (int)pages_to_order_of_mag(privptr->p_buff_write_num)); 870 (int)pages_to_order_of_mag(privptr->p_buff_write_num));
@@ -1143,7 +878,7 @@ claw_release(struct net_device *dev)
1143 p_buf=p_buf->next; 878 p_buf=p_buf->next;
1144 } 879 }
1145 } 880 }
1146 CLAW_DBF_TEXT(4,trace,"clearptr"); 881 CLAW_DBF_TEXT(4, trace, "clearptr");
1147 privptr->buffs_alloc = 0; 882 privptr->buffs_alloc = 0;
1148 privptr->p_buff_ccw=NULL; 883 privptr->p_buff_ccw=NULL;
1149 privptr->p_buff_read=NULL; 884 privptr->p_buff_read=NULL;
@@ -1180,18 +915,12 @@ claw_release(struct net_device *dev)
1180 dev->name, 915 dev->name,
1181 privptr->channel[READ].last_dstat, 916 privptr->channel[READ].last_dstat,
1182 privptr->channel[WRITE].last_dstat); 917 privptr->channel[WRITE].last_dstat);
1183 CLAW_DBF_TEXT(2,trace,"badclose"); 918 CLAW_DBF_TEXT(2, trace, "badclose");
1184 } 919 }
1185#ifdef FUNCTRACE 920 CLAW_DBF_TEXT(4, trace, "rlsexit");
1186 printk(KERN_INFO "%s:%s Exit on line %d\n",
1187 dev->name,__func__,__LINE__);
1188#endif
1189 CLAW_DBF_TEXT(4,trace,"rlsexit");
1190 return 0; 921 return 0;
1191} /* end of claw_release */ 922} /* end of claw_release */
1192 923
1193
1194
1195/*-------------------------------------------------------------------* 924/*-------------------------------------------------------------------*
1196* claw_write_retry * 925* claw_write_retry *
1197* * 926* *
@@ -1203,32 +932,12 @@ claw_write_retry ( struct chbk *p_ch )
1203 932
1204 struct net_device *dev=p_ch->ndev; 933 struct net_device *dev=p_ch->ndev;
1205 934
1206 935 CLAW_DBF_TEXT(4, trace, "w_retry");
1207#ifdef FUNCTRACE
1208 printk(KERN_INFO "%s:%s Enter\n",dev->name,__func__);
1209 printk(KERN_INFO "claw: variable p_ch =\n");
1210 dumpit((char *) p_ch, sizeof(struct chbk));
1211#endif
1212 CLAW_DBF_TEXT(4,trace,"w_retry");
1213 if (p_ch->claw_state == CLAW_STOP) { 936 if (p_ch->claw_state == CLAW_STOP) {
1214#ifdef FUNCTRACE
1215 printk(KERN_INFO "%s:%s Exit on line %d\n",
1216 dev->name,__func__,__LINE__);
1217#endif
1218 return; 937 return;
1219 } 938 }
1220#ifdef DEBUGMSG
1221 printk( KERN_INFO "%s:%s state-%02x\n" ,
1222 dev->name,
1223 __func__,
1224 p_ch->claw_state);
1225#endif
1226 claw_strt_out_IO( dev ); 939 claw_strt_out_IO( dev );
1227#ifdef FUNCTRACE 940 CLAW_DBF_TEXT(4, trace, "rtry_xit");
1228 printk(KERN_INFO "%s:%s Exit on line %d\n",
1229 dev->name,__func__,__LINE__);
1230#endif
1231 CLAW_DBF_TEXT(4,trace,"rtry_xit");
1232 return; 941 return;
1233} /* end of claw_write_retry */ 942} /* end of claw_write_retry */
1234 943
@@ -1247,12 +956,7 @@ claw_write_next ( struct chbk * p_ch )
1247 struct sk_buff *pk_skb; 956 struct sk_buff *pk_skb;
1248 int rc; 957 int rc;
1249 958
1250#ifdef FUNCTRACE 959 CLAW_DBF_TEXT(4, trace, "claw_wrt");
1251 printk(KERN_INFO "%s:%s Enter \n",p_ch->ndev->name,__func__);
1252 printk(KERN_INFO "%s: variable p_ch =\n",p_ch->ndev->name);
1253 dumpit((char *) p_ch, sizeof(struct chbk));
1254#endif
1255 CLAW_DBF_TEXT(4,trace,"claw_wrt");
1256 if (p_ch->claw_state == CLAW_STOP) 960 if (p_ch->claw_state == CLAW_STOP)
1257 return; 961 return;
1258 dev = (struct net_device *) p_ch->ndev; 962 dev = (struct net_device *) p_ch->ndev;
@@ -1272,11 +976,6 @@ claw_write_next ( struct chbk * p_ch )
1272 if (privptr->p_write_active_first!=NULL) { 976 if (privptr->p_write_active_first!=NULL) {
1273 claw_strt_out_IO(dev); 977 claw_strt_out_IO(dev);
1274 } 978 }
1275
1276#ifdef FUNCTRACE
1277 printk(KERN_INFO "%s:%s Exit on line %d\n",
1278 dev->name,__func__,__LINE__);
1279#endif
1280 return; 979 return;
1281} /* end of claw_write_next */ 980} /* end of claw_write_next */
1282 981
@@ -1288,22 +987,12 @@ claw_write_next ( struct chbk * p_ch )
1288static void 987static void
1289claw_timer ( struct chbk * p_ch ) 988claw_timer ( struct chbk * p_ch )
1290{ 989{
1291#ifdef FUNCTRACE 990 CLAW_DBF_TEXT(4, trace, "timer");
1292 printk(KERN_INFO "%s:%s Entry\n",p_ch->ndev->name,__func__);
1293 printk(KERN_INFO "%s: variable p_ch =\n",p_ch->ndev->name);
1294 dumpit((char *) p_ch, sizeof(struct chbk));
1295#endif
1296 CLAW_DBF_TEXT(4,trace,"timer");
1297 p_ch->flag |= CLAW_TIMER; 991 p_ch->flag |= CLAW_TIMER;
1298 wake_up(&p_ch->wait); 992 wake_up(&p_ch->wait);
1299#ifdef FUNCTRACE
1300 printk(KERN_INFO "%s:%s Exit on line %d\n",
1301 p_ch->ndev->name,__func__,__LINE__);
1302#endif
1303 return; 993 return;
1304} /* end of claw_timer */ 994} /* end of claw_timer */
1305 995
1306
1307/* 996/*
1308* 997*
1309* functions 998* functions
@@ -1324,10 +1013,8 @@ pages_to_order_of_mag(int num_of_pages)
1324{ 1013{
1325 int order_of_mag=1; /* assume 2 pages */ 1014 int order_of_mag=1; /* assume 2 pages */
1326 int nump=2; 1015 int nump=2;
1327#ifdef FUNCTRACE 1016
1328 printk(KERN_INFO "%s Enter pages = %d \n",__func__,num_of_pages); 1017 CLAW_DBF_TEXT_(5, trace, "pages%d", num_of_pages);
1329#endif
1330 CLAW_DBF_TEXT_(5,trace,"pages%d",num_of_pages);
1331 if (num_of_pages == 1) {return 0; } /* magnitude of 0 = 1 page */ 1018 if (num_of_pages == 1) {return 0; } /* magnitude of 0 = 1 page */
1332 /* 512 pages = 2Meg on 4k page systems */ 1019 /* 512 pages = 2Meg on 4k page systems */
1333 if (num_of_pages >= 512) {return 9; } 1020 if (num_of_pages >= 512) {return 9; }
@@ -1338,11 +1025,7 @@ pages_to_order_of_mag(int num_of_pages)
1338 order_of_mag +=1; 1025 order_of_mag +=1;
1339 } 1026 }
1340 if (order_of_mag > 9) { order_of_mag = 9; } /* I know it's paranoid */ 1027 if (order_of_mag > 9) { order_of_mag = 9; } /* I know it's paranoid */
1341#ifdef FUNCTRACE 1028 CLAW_DBF_TEXT_(5, trace, "mag%d", order_of_mag);
1342 printk(KERN_INFO "%s Exit on line %d, order = %d\n",
1343 __func__,__LINE__, order_of_mag);
1344#endif
1345 CLAW_DBF_TEXT_(5,trace,"mag%d",order_of_mag);
1346 return order_of_mag; 1029 return order_of_mag;
1347} 1030}
1348 1031
@@ -1358,21 +1041,7 @@ add_claw_reads(struct net_device *dev, struct ccwbk* p_first,
1358 struct claw_privbk *privptr; 1041 struct claw_privbk *privptr;
1359 struct ccw1 temp_ccw; 1042 struct ccw1 temp_ccw;
1360 struct endccw * p_end; 1043 struct endccw * p_end;
1361#ifdef IOTRACE 1044 CLAW_DBF_TEXT(4, trace, "addreads");
1362 struct ccwbk* p_buf;
1363#endif
1364#ifdef FUNCTRACE
1365 printk(KERN_INFO "%s:%s Enter \n",dev->name,__func__);
1366#endif
1367#ifdef DEBUGMSG
1368 printk(KERN_INFO "dev\n");
1369 dumpit((char *) dev, sizeof(struct net_device));
1370 printk(KERN_INFO "p_first\n");
1371 dumpit((char *) p_first, sizeof(struct ccwbk));
1372 printk(KERN_INFO "p_last\n");
1373 dumpit((char *) p_last, sizeof(struct ccwbk));
1374#endif
1375 CLAW_DBF_TEXT(4,trace,"addreads");
1376 privptr = dev->priv; 1045 privptr = dev->priv;
1377 p_end = privptr->p_end_ccw; 1046 p_end = privptr->p_end_ccw;
1378 1047
@@ -1380,11 +1049,7 @@ add_claw_reads(struct net_device *dev, struct ccwbk* p_first,
1380 * to apend the running channel programs 1049 * to apend the running channel programs
1381 */ 1050 */
1382 if ( p_first==NULL) { 1051 if ( p_first==NULL) {
1383#ifdef FUNCTRACE 1052 CLAW_DBF_TEXT(4, trace, "addexit");
1384 printk(KERN_INFO "%s:%s Exit on line %d\n",
1385 dev->name,__func__,__LINE__);
1386#endif
1387 CLAW_DBF_TEXT(4,trace,"addexit");
1388 return 0; 1053 return 0;
1389 } 1054 }
1390 1055
@@ -1411,21 +1076,11 @@ add_claw_reads(struct net_device *dev, struct ccwbk* p_first,
1411 } 1076 }
1412 1077
1413 if ( privptr-> p_read_active_first ==NULL ) { 1078 if ( privptr-> p_read_active_first ==NULL ) {
1414#ifdef DEBUGMSG
1415 printk(KERN_INFO "%s:%s p_read_active_first == NULL \n",
1416 dev->name,__func__);
1417 printk(KERN_INFO "%s:%s Read active first/last changed \n",
1418 dev->name,__func__);
1419#endif
1420 privptr-> p_read_active_first= p_first; /* set new first */ 1079 privptr-> p_read_active_first= p_first; /* set new first */
1421 privptr-> p_read_active_last = p_last; /* set new last */ 1080 privptr-> p_read_active_last = p_last; /* set new last */
1422 } 1081 }
1423 else { 1082 else {
1424 1083
1425#ifdef DEBUGMSG
1426 printk(KERN_INFO "%s:%s Read in progress \n",
1427 dev->name,__func__);
1428#endif
1429 /* set up TIC ccw */ 1084 /* set up TIC ccw */
1430 temp_ccw.cda= (__u32)__pa(&p_first->read); 1085 temp_ccw.cda= (__u32)__pa(&p_first->read);
1431 temp_ccw.count=0; 1086 temp_ccw.count=0;
@@ -1462,27 +1117,7 @@ add_claw_reads(struct net_device *dev, struct ccwbk* p_first,
1462 privptr->p_read_active_last->next = p_first; 1117 privptr->p_read_active_last->next = p_first;
1463 privptr->p_read_active_last=p_last; 1118 privptr->p_read_active_last=p_last;
1464 } /* end of if ( privptr-> p_read_active_first ==NULL) */ 1119 } /* end of if ( privptr-> p_read_active_first ==NULL) */
1465#ifdef IOTRACE 1120 CLAW_DBF_TEXT(4, trace, "addexit");
1466 printk(KERN_INFO "%s:%s dump p_last CCW BK \n",dev->name,__func__);
1467 dumpit((char *)p_last, sizeof(struct ccwbk));
1468 printk(KERN_INFO "%s:%s dump p_end CCW BK \n",dev->name,__func__);
1469 dumpit((char *)p_end, sizeof(struct endccw));
1470
1471 printk(KERN_INFO "%s:%s dump p_first CCW BK \n",dev->name,__func__);
1472 dumpit((char *)p_first, sizeof(struct ccwbk));
1473 printk(KERN_INFO "%s:%s Dump Active CCW chain \n",
1474 dev->name,__func__);
1475 p_buf=privptr->p_read_active_first;
1476 while (p_buf!=NULL) {
1477 dumpit((char *)p_buf, sizeof(struct ccwbk));
1478 p_buf=p_buf->next;
1479 }
1480#endif
1481#ifdef FUNCTRACE
1482 printk(KERN_INFO "%s:%s Exit on line %d\n",
1483 dev->name,__func__,__LINE__);
1484#endif
1485 CLAW_DBF_TEXT(4,trace,"addexit");
1486 return 0; 1121 return 0;
1487} /* end of add_claw_reads */ 1122} /* end of add_claw_reads */
1488 1123
@@ -1494,44 +1129,29 @@ add_claw_reads(struct net_device *dev, struct ccwbk* p_first,
1494static void 1129static void
1495ccw_check_return_code(struct ccw_device *cdev, int return_code) 1130ccw_check_return_code(struct ccw_device *cdev, int return_code)
1496{ 1131{
1497#ifdef FUNCTRACE 1132 CLAW_DBF_TEXT(4, trace, "ccwret");
1498 printk(KERN_INFO "%s: %s() > enter \n",
1499 cdev->dev.bus_id,__func__);
1500#endif
1501 CLAW_DBF_TEXT(4,trace,"ccwret");
1502#ifdef DEBUGMSG
1503 printk(KERN_INFO "variable cdev =\n");
1504 dumpit((char *) cdev, sizeof(struct ccw_device));
1505 printk(KERN_INFO "variable return_code = %d\n",return_code);
1506#endif
1507 if (return_code != 0) { 1133 if (return_code != 0) {
1508 switch (return_code) { 1134 switch (return_code) {
1509 case -EBUSY: 1135 case -EBUSY: /* BUSY is a transient state no action needed */
1510 printk(KERN_INFO "%s: Busy !\n", 1136 break;
1511 cdev->dev.bus_id); 1137 case -ENODEV:
1512 break; 1138 printk(KERN_EMERG "%s: Missing device called "
1513 case -ENODEV: 1139 "for IO ENODEV\n", cdev->dev.bus_id);
1514 printk(KERN_EMERG "%s: Missing device called " 1140 break;
1515 "for IO ENODEV\n", cdev->dev.bus_id); 1141 case -EIO:
1516 break; 1142 printk(KERN_EMERG "%s: Status pending... EIO \n",
1517 case -EIO: 1143 cdev->dev.bus_id);
1518 printk(KERN_EMERG "%s: Status pending... EIO \n", 1144 break;
1519 cdev->dev.bus_id); 1145 case -EINVAL:
1520 break; 1146 printk(KERN_EMERG "%s: Invalid Dev State EINVAL \n",
1521 case -EINVAL: 1147 cdev->dev.bus_id);
1522 printk(KERN_EMERG "%s: Invalid Dev State EINVAL \n", 1148 break;
1523 cdev->dev.bus_id); 1149 default:
1524 break; 1150 printk(KERN_EMERG "%s: Unknown error in "
1525 default:
1526 printk(KERN_EMERG "%s: Unknown error in "
1527 "Do_IO %d\n",cdev->dev.bus_id, return_code); 1151 "Do_IO %d\n",cdev->dev.bus_id, return_code);
1528 } 1152 }
1529 } 1153 }
1530#ifdef FUNCTRACE 1154 CLAW_DBF_TEXT(4, trace, "ccwret");
1531 printk(KERN_INFO "%s: %s() > exit on line %d\n",
1532 cdev->dev.bus_id,__func__,__LINE__);
1533#endif
1534 CLAW_DBF_TEXT(4,trace,"ccwret");
1535} /* end of ccw_check_return_code */ 1155} /* end of ccw_check_return_code */
1536 1156
1537/*-------------------------------------------------------------------* 1157/*-------------------------------------------------------------------*
@@ -1541,173 +1161,46 @@ ccw_check_return_code(struct ccw_device *cdev, int return_code)
1541static void 1161static void
1542ccw_check_unit_check(struct chbk * p_ch, unsigned char sense ) 1162ccw_check_unit_check(struct chbk * p_ch, unsigned char sense )
1543{ 1163{
1544 struct net_device *dev = p_ch->ndev; 1164 struct net_device *ndev = p_ch->ndev;
1545
1546#ifdef FUNCTRACE
1547 printk(KERN_INFO "%s: %s() > enter\n",dev->name,__func__);
1548#endif
1549#ifdef DEBUGMSG
1550 printk(KERN_INFO "%s: variable dev =\n",dev->name);
1551 dumpit((char *)dev, sizeof(struct net_device));
1552 printk(KERN_INFO "%s: variable sense =\n",dev->name);
1553 dumpit((char *)&sense, 2);
1554#endif
1555 CLAW_DBF_TEXT(4,trace,"unitchek");
1556 1165
1166 CLAW_DBF_TEXT(4, trace, "unitchek");
1557 printk(KERN_INFO "%s: Unit Check with sense byte:0x%04x\n", 1167 printk(KERN_INFO "%s: Unit Check with sense byte:0x%04x\n",
1558 dev->name, sense); 1168 ndev->name, sense);
1559 1169
1560 if (sense & 0x40) { 1170 if (sense & 0x40) {
1561 if (sense & 0x01) { 1171 if (sense & 0x01) {
1562 printk(KERN_WARNING "%s: Interface disconnect or " 1172 printk(KERN_WARNING "%s: Interface disconnect or "
1563 "Selective reset " 1173 "Selective reset "
1564 "occurred (remote side)\n", dev->name); 1174 "occurred (remote side)\n", ndev->name);
1565 } 1175 }
1566 else { 1176 else {
1567 printk(KERN_WARNING "%s: System reset occured" 1177 printk(KERN_WARNING "%s: System reset occured"
1568 " (remote side)\n", dev->name); 1178 " (remote side)\n", ndev->name);
1569 } 1179 }
1570 } 1180 }
1571 else if (sense & 0x20) { 1181 else if (sense & 0x20) {
1572 if (sense & 0x04) { 1182 if (sense & 0x04) {
1573 printk(KERN_WARNING "%s: Data-streaming " 1183 printk(KERN_WARNING "%s: Data-streaming "
1574 "timeout)\n", dev->name); 1184 "timeout)\n", ndev->name);
1575 } 1185 }
1576 else { 1186 else {
1577 printk(KERN_WARNING "%s: Data-transfer parity" 1187 printk(KERN_WARNING "%s: Data-transfer parity"
1578 " error\n", dev->name); 1188 " error\n", ndev->name);
1579 } 1189 }
1580 } 1190 }
1581 else if (sense & 0x10) { 1191 else if (sense & 0x10) {
1582 if (sense & 0x20) { 1192 if (sense & 0x20) {
1583 printk(KERN_WARNING "%s: Hardware malfunction " 1193 printk(KERN_WARNING "%s: Hardware malfunction "
1584 "(remote side)\n", dev->name); 1194 "(remote side)\n", ndev->name);
1585 } 1195 }
1586 else { 1196 else {
1587 printk(KERN_WARNING "%s: read-data parity error " 1197 printk(KERN_WARNING "%s: read-data parity error "
1588 "(remote side)\n", dev->name); 1198 "(remote side)\n", ndev->name);
1589 } 1199 }
1590 } 1200 }
1591 1201
1592#ifdef FUNCTRACE
1593 printk(KERN_INFO "%s: %s() exit on line %d\n",
1594 dev->name,__func__,__LINE__);
1595#endif
1596} /* end of ccw_check_unit_check */ 1202} /* end of ccw_check_unit_check */
1597 1203
1598
1599
1600/*-------------------------------------------------------------------*
1601* Dump buffer format *
1602* *
1603*--------------------------------------------------------------------*/
1604#ifdef DEBUG
1605static void
1606dumpit(char* buf, int len)
1607{
1608
1609 __u32 ct, sw, rm, dup;
1610 char *ptr, *rptr;
1611 char tbuf[82], tdup[82];
1612#if (CONFIG_64BIT)
1613 char addr[22];
1614#else
1615 char addr[12];
1616#endif
1617 char boff[12];
1618 char bhex[82], duphex[82];
1619 char basc[40];
1620
1621 sw = 0;
1622 rptr =ptr=buf;
1623 rm = 16;
1624 duphex[0] = 0x00;
1625 dup = 0;
1626 for ( ct=0; ct < len; ct++, ptr++, rptr++ ) {
1627 if (sw == 0) {
1628#if (CONFIG_64BIT)
1629 sprintf(addr, "%16.16lX",(unsigned long)rptr);
1630#else
1631 sprintf(addr, "%8.8X",(__u32)rptr);
1632#endif
1633 sprintf(boff, "%4.4X", (__u32)ct);
1634 bhex[0] = '\0';
1635 basc[0] = '\0';
1636 }
1637 if ((sw == 4) || (sw == 12)) {
1638 strcat(bhex, " ");
1639 }
1640 if (sw == 8) {
1641 strcat(bhex, " ");
1642 }
1643#if (CONFIG_64BIT)
1644 sprintf(tbuf,"%2.2lX", (unsigned long)*ptr);
1645#else
1646 sprintf(tbuf,"%2.2X", (__u32)*ptr);
1647#endif
1648 tbuf[2] = '\0';
1649 strcat(bhex, tbuf);
1650 if ((0!=isprint(*ptr)) && (*ptr >= 0x20)) {
1651 basc[sw] = *ptr;
1652 }
1653 else {
1654 basc[sw] = '.';
1655 }
1656 basc[sw+1] = '\0';
1657 sw++;
1658 rm--;
1659 if (sw==16) {
1660 if ((strcmp(duphex, bhex)) !=0) {
1661 if (dup !=0) {
1662 sprintf(tdup,"Duplicate as above to"
1663 " %s", addr);
1664 printk( KERN_INFO " "
1665 " --- %s ---\n",tdup);
1666 }
1667 printk( KERN_INFO " %s (+%s) : %s [%s]\n",
1668 addr, boff, bhex, basc);
1669 dup = 0;
1670 strcpy(duphex, bhex);
1671 }
1672 else {
1673 dup++;
1674 }
1675 sw = 0;
1676 rm = 16;
1677 }
1678 } /* endfor */
1679
1680 if (sw != 0) {
1681 for ( ; rm > 0; rm--, sw++ ) {
1682 if ((sw==4) || (sw==12)) strcat(bhex, " ");
1683 if (sw==8) strcat(bhex, " ");
1684 strcat(bhex, " ");
1685 strcat(basc, " ");
1686 }
1687 if (dup !=0) {
1688 sprintf(tdup,"Duplicate as above to %s", addr);
1689 printk( KERN_INFO " --- %s ---\n",
1690 tdup);
1691 }
1692 printk( KERN_INFO " %s (+%s) : %s [%s]\n",
1693 addr, boff, bhex, basc);
1694 }
1695 else {
1696 if (dup >=1) {
1697 sprintf(tdup,"Duplicate as above to %s", addr);
1698 printk( KERN_INFO " --- %s ---\n",
1699 tdup);
1700 }
1701 if (dup !=0) {
1702 printk( KERN_INFO " %s (+%s) : %s [%s]\n",
1703 addr, boff, bhex, basc);
1704 }
1705 }
1706 return;
1707
1708} /* end of dumpit */
1709#endif
1710
1711/*-------------------------------------------------------------------* 1204/*-------------------------------------------------------------------*
1712* find_link * 1205* find_link *
1713*--------------------------------------------------------------------*/ 1206*--------------------------------------------------------------------*/
@@ -1718,16 +1211,7 @@ find_link(struct net_device *dev, char *host_name, char *ws_name )
1718 struct claw_env *p_env; 1211 struct claw_env *p_env;
1719 int rc=0; 1212 int rc=0;
1720 1213
1721#ifdef FUNCTRACE 1214 CLAW_DBF_TEXT(2, setup, "findlink");
1722 printk(KERN_INFO "%s:%s > enter \n",dev->name,__func__);
1723#endif
1724 CLAW_DBF_TEXT(2,setup,"findlink");
1725#ifdef DEBUGMSG
1726 printk(KERN_INFO "%s: variable dev = \n",dev->name);
1727 dumpit((char *) dev, sizeof(struct net_device));
1728 printk(KERN_INFO "%s: variable host_name = %s\n",dev->name, host_name);
1729 printk(KERN_INFO "%s: variable ws_name = %s\n",dev->name, ws_name);
1730#endif
1731 privptr=dev->priv; 1215 privptr=dev->priv;
1732 p_env=privptr->p_env; 1216 p_env=privptr->p_env;
1733 switch (p_env->packing) 1217 switch (p_env->packing)
@@ -1750,10 +1234,6 @@ find_link(struct net_device *dev, char *host_name, char *ws_name )
1750 break; 1234 break;
1751 } 1235 }
1752 1236
1753#ifdef FUNCTRACE
1754 printk(KERN_INFO "%s:%s Exit on line %d\n",
1755 dev->name,__func__,__LINE__);
1756#endif
1757 return 0; 1237 return 0;
1758} /* end of find_link */ 1238} /* end of find_link */
1759 1239
@@ -1782,27 +1262,11 @@ claw_hw_tx(struct sk_buff *skb, struct net_device *dev, long linkid)
1782 int lock; 1262 int lock;
1783 struct clawph *pk_head; 1263 struct clawph *pk_head;
1784 struct chbk *ch; 1264 struct chbk *ch;
1785#ifdef IOTRACE 1265
1786 struct ccwbk *p_buf; 1266 CLAW_DBF_TEXT(4, trace, "hw_tx");
1787#endif
1788#ifdef FUNCTRACE
1789 printk(KERN_INFO "%s: %s() > enter\n",dev->name,__func__);
1790#endif
1791 CLAW_DBF_TEXT(4,trace,"hw_tx");
1792#ifdef DEBUGMSG
1793 printk(KERN_INFO "%s: variable dev skb =\n",dev->name);
1794 dumpit((char *) skb, sizeof(struct sk_buff));
1795 printk(KERN_INFO "%s: variable dev =\n",dev->name);
1796 dumpit((char *) dev, sizeof(struct net_device));
1797 printk(KERN_INFO "%s: variable linkid = %ld\n",dev->name,linkid);
1798#endif
1799 privptr = (struct claw_privbk *) (dev->priv); 1267 privptr = (struct claw_privbk *) (dev->priv);
1800 p_ch=(struct chbk *)&privptr->channel[WRITE]; 1268 p_ch=(struct chbk *)&privptr->channel[WRITE];
1801 p_env =privptr->p_env; 1269 p_env =privptr->p_env;
1802#ifdef IOTRACE
1803 printk(KERN_INFO "%s: %s() dump sk_buff \n",dev->name,__func__);
1804 dumpit((char *)skb ,sizeof(struct sk_buff));
1805#endif
1806 claw_free_wrt_buf(dev); /* Clean up free chain if posible */ 1270 claw_free_wrt_buf(dev); /* Clean up free chain if posible */
1807 /* scan the write queue to free any completed write packets */ 1271 /* scan the write queue to free any completed write packets */
1808 p_first_ccw=NULL; 1272 p_first_ccw=NULL;
@@ -1834,11 +1298,6 @@ claw_hw_tx(struct sk_buff *skb, struct net_device *dev, long linkid)
1834 claw_strt_out_IO(dev ); 1298 claw_strt_out_IO(dev );
1835 claw_free_wrt_buf( dev ); 1299 claw_free_wrt_buf( dev );
1836 if (privptr->write_free_count==0) { 1300 if (privptr->write_free_count==0) {
1837#ifdef IOTRACE
1838 printk(KERN_INFO "%s: "
1839 "(claw_check_busy) no free write "
1840 "buffers\n", dev->name);
1841#endif
1842 ch = &privptr->channel[WRITE]; 1301 ch = &privptr->channel[WRITE];
1843 atomic_inc(&skb->users); 1302 atomic_inc(&skb->users);
1844 skb_queue_tail(&ch->collect_queue, skb); 1303 skb_queue_tail(&ch->collect_queue, skb);
@@ -1851,10 +1310,6 @@ claw_hw_tx(struct sk_buff *skb, struct net_device *dev, long linkid)
1851 } 1310 }
1852 /* tx lock */ 1311 /* tx lock */
1853 if (claw_test_and_setbit_busy(TB_TX,dev)) { /* set to busy */ 1312 if (claw_test_and_setbit_busy(TB_TX,dev)) { /* set to busy */
1854#ifdef DEBUGMSG
1855 printk(KERN_INFO "%s: busy (claw_test_and_setbit_"
1856 "busy)\n", dev->name);
1857#endif
1858 ch = &privptr->channel[WRITE]; 1313 ch = &privptr->channel[WRITE];
1859 atomic_inc(&skb->users); 1314 atomic_inc(&skb->users);
1860 skb_queue_tail(&ch->collect_queue, skb); 1315 skb_queue_tail(&ch->collect_queue, skb);
@@ -1871,28 +1326,16 @@ claw_hw_tx(struct sk_buff *skb, struct net_device *dev, long linkid)
1871 privptr->p_write_free_chain == NULL ) { 1326 privptr->p_write_free_chain == NULL ) {
1872 1327
1873 claw_setbit_busy(TB_NOBUFFER,dev); 1328 claw_setbit_busy(TB_NOBUFFER,dev);
1874
1875#ifdef DEBUGMSG
1876 printk(KERN_INFO "%s: busy (claw_setbit_busy"
1877 "(TB_NOBUFFER))\n", dev->name);
1878 printk(KERN_INFO " free_count: %d, numBuffers : %d\n",
1879 (int)privptr->write_free_count,(int) numBuffers );
1880#endif
1881 ch = &privptr->channel[WRITE]; 1329 ch = &privptr->channel[WRITE];
1882 atomic_inc(&skb->users); 1330 atomic_inc(&skb->users);
1883 skb_queue_tail(&ch->collect_queue, skb); 1331 skb_queue_tail(&ch->collect_queue, skb);
1884 CLAW_DBF_TEXT(2,trace,"clawbusy"); 1332 CLAW_DBF_TEXT(2, trace, "clawbusy");
1885 goto Done2; 1333 goto Done2;
1886 } 1334 }
1887 pDataAddress=skb->data; 1335 pDataAddress=skb->data;
1888 len_of_data=skb->len; 1336 len_of_data=skb->len;
1889 1337
1890 while (len_of_data > 0) { 1338 while (len_of_data > 0) {
1891#ifdef DEBUGMSG
1892 printk(KERN_INFO "%s: %s() length-of-data is %ld \n",
1893 dev->name ,__func__,len_of_data);
1894 dumpit((char *)pDataAddress ,64);
1895#endif
1896 p_this_ccw=privptr->p_write_free_chain; /* get a block */ 1339 p_this_ccw=privptr->p_write_free_chain; /* get a block */
1897 if (p_this_ccw == NULL) { /* lost the race */ 1340 if (p_this_ccw == NULL) { /* lost the race */
1898 ch = &privptr->channel[WRITE]; 1341 ch = &privptr->channel[WRITE];
@@ -1924,12 +1367,6 @@ claw_hw_tx(struct sk_buff *skb, struct net_device *dev, long linkid)
1924 (__u32)__pa(&p_this_ccw->write); 1367 (__u32)__pa(&p_this_ccw->write);
1925 } 1368 }
1926 p_last_ccw=p_this_ccw; /* save new last block */ 1369 p_last_ccw=p_this_ccw; /* save new last block */
1927#ifdef IOTRACE
1928 printk(KERN_INFO "%s: %s() > CCW and Buffer %ld bytes long \n",
1929 dev->name,__func__,bytesInThisBuffer);
1930 dumpit((char *)p_this_ccw, sizeof(struct ccwbk));
1931 dumpit((char *)p_this_ccw->p_buffer, 64);
1932#endif
1933 } 1370 }
1934 1371
1935 /* FirstCCW and LastCCW now contain a new set of write channel 1372 /* 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)
1962 pEnd->write1_nop2.count=1; 1399 pEnd->write1_nop2.count=1;
1963 } /* end if if (pEnd->write1) */ 1400 } /* end if if (pEnd->write1) */
1964 1401
1965
1966 if (privptr->p_write_active_first==NULL ) { 1402 if (privptr->p_write_active_first==NULL ) {
1967 privptr->p_write_active_first=p_first_ccw; 1403 privptr->p_write_active_first=p_first_ccw;
1968 privptr->p_write_active_last=p_last_ccw; 1404 privptr->p_write_active_last=p_last_ccw;
1969 } 1405 }
1970 else { 1406 else {
1971
1972 /* set up Tic CCWs */ 1407 /* set up Tic CCWs */
1973 1408
1974 tempCCW.cda=(__u32)__pa(&p_first_ccw->write); 1409 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)
2007 } 1442 }
2008 1443
2009 } /* endif (p_first_ccw!=NULL) */ 1444 } /* endif (p_first_ccw!=NULL) */
2010
2011
2012#ifdef IOTRACE
2013 printk(KERN_INFO "%s: %s() > Dump Active CCW chain \n",
2014 dev->name,__func__);
2015 p_buf=privptr->p_write_active_first;
2016 while (p_buf!=NULL) {
2017 dumpit((char *)p_buf, sizeof(struct ccwbk));
2018 p_buf=p_buf->next;
2019 }
2020 p_buf=(struct ccwbk*)privptr->p_end_ccw;
2021 dumpit((char *)p_buf, sizeof(struct endccw));
2022#endif
2023 dev_kfree_skb_any(skb); 1445 dev_kfree_skb_any(skb);
2024 if (linkid==0) { 1446 if (linkid==0) {
2025 lock=LOCK_NO; 1447 lock=LOCK_NO;
@@ -2029,21 +1451,12 @@ claw_hw_tx(struct sk_buff *skb, struct net_device *dev, long linkid)
2029 } 1451 }
2030 claw_strt_out_IO(dev ); 1452 claw_strt_out_IO(dev );
2031 /* if write free count is zero , set NOBUFFER */ 1453 /* if write free count is zero , set NOBUFFER */
2032#ifdef DEBUGMSG
2033 printk(KERN_INFO "%s: %s() > free_count is %d\n",
2034 dev->name,__func__,
2035 (int) privptr->write_free_count );
2036#endif
2037 if (privptr->write_free_count==0) { 1454 if (privptr->write_free_count==0) {
2038 claw_setbit_busy(TB_NOBUFFER,dev); 1455 claw_setbit_busy(TB_NOBUFFER,dev);
2039 } 1456 }
2040Done2: 1457Done2:
2041 claw_clearbit_busy(TB_TX,dev); 1458 claw_clearbit_busy(TB_TX,dev);
2042Done: 1459Done:
2043#ifdef FUNCTRACE
2044 printk(KERN_INFO "%s: %s() > exit on line %d, rc = %d \n",
2045 dev->name,__func__,__LINE__, rc);
2046#endif
2047 return(rc); 1460 return(rc);
2048} /* end of claw_hw_tx */ 1461} /* end of claw_hw_tx */
2049 1462
@@ -2075,14 +1488,7 @@ init_ccw_bk(struct net_device *dev)
2075 struct clawh *pClawH=NULL; 1488 struct clawh *pClawH=NULL;
2076 addr_t real_TIC_address; 1489 addr_t real_TIC_address;
2077 int i,j; 1490 int i,j;
2078#ifdef FUNCTRACE 1491 CLAW_DBF_TEXT(4, trace, "init_ccw");
2079 printk(KERN_INFO "%s: %s() enter \n",dev->name,__func__);
2080#endif
2081 CLAW_DBF_TEXT(4,trace,"init_ccw");
2082#ifdef DEBUGMSG
2083 printk(KERN_INFO "%s: variable dev =\n",dev->name);
2084 dumpit((char *) dev, sizeof(struct net_device));
2085#endif
2086 1492
2087 /* initialize statistics field */ 1493 /* initialize statistics field */
2088 privptr->active_link_ID=0; 1494 privptr->active_link_ID=0;
@@ -2107,20 +1513,6 @@ init_ccw_bk(struct net_device *dev)
2107 */ 1513 */
2108 ccw_blocks_required = 1514 ccw_blocks_required =
2109 privptr->p_env->read_buffers+privptr->p_env->write_buffers+1; 1515 privptr->p_env->read_buffers+privptr->p_env->write_buffers+1;
2110#ifdef DEBUGMSG
2111 printk(KERN_INFO "%s: %s() "
2112 "ccw_blocks_required=%d\n",
2113 dev->name,__func__,
2114 ccw_blocks_required);
2115 printk(KERN_INFO "%s: %s() "
2116 "PAGE_SIZE=0x%x\n",
2117 dev->name,__func__,
2118 (unsigned int)PAGE_SIZE);
2119 printk(KERN_INFO "%s: %s() > "
2120 "PAGE_MASK=0x%x\n",
2121 dev->name,__func__,
2122 (unsigned int)PAGE_MASK);
2123#endif
2124 /* 1516 /*
2125 * compute number of CCW blocks that will fit in a page 1517 * compute number of CCW blocks that will fit in a page
2126 */ 1518 */
@@ -2128,14 +1520,6 @@ init_ccw_bk(struct net_device *dev)
2128 ccw_pages_required= 1520 ccw_pages_required=
2129 DIV_ROUND_UP(ccw_blocks_required, ccw_blocks_perpage); 1521 DIV_ROUND_UP(ccw_blocks_required, ccw_blocks_perpage);
2130 1522
2131#ifdef DEBUGMSG
2132 printk(KERN_INFO "%s: %s() > ccw_blocks_perpage=%d\n",
2133 dev->name,__func__,
2134 ccw_blocks_perpage);
2135 printk(KERN_INFO "%s: %s() > ccw_pages_required=%d\n",
2136 dev->name,__func__,
2137 ccw_pages_required);
2138#endif
2139 /* 1523 /*
2140 * read and write sizes are set by 2 constants in claw.h 1524 * read and write sizes are set by 2 constants in claw.h
2141 * 4k and 32k. Unpacked values other than 4k are not going to 1525 * 4k and 32k. Unpacked values other than 4k are not going to
@@ -2166,36 +1550,6 @@ init_ccw_bk(struct net_device *dev)
2166 claw_write_pages = privptr->p_env->write_buffers * 1550 claw_write_pages = privptr->p_env->write_buffers *
2167 privptr->p_buff_pages_perwrite; 1551 privptr->p_buff_pages_perwrite;
2168 } 1552 }
2169#ifdef DEBUGMSG
2170 if (privptr->p_env->read_size < PAGE_SIZE) {
2171 printk(KERN_INFO "%s: %s() reads_perpage=%d\n",
2172 dev->name,__func__,
2173 claw_reads_perpage);
2174 }
2175 else {
2176 printk(KERN_INFO "%s: %s() pages_perread=%d\n",
2177 dev->name,__func__,
2178 privptr->p_buff_pages_perread);
2179 }
2180 printk(KERN_INFO "%s: %s() read_pages=%d\n",
2181 dev->name,__func__,
2182 claw_read_pages);
2183 if (privptr->p_env->write_size < PAGE_SIZE) {
2184 printk(KERN_INFO "%s: %s() writes_perpage=%d\n",
2185 dev->name,__func__,
2186 claw_writes_perpage);
2187 }
2188 else {
2189 printk(KERN_INFO "%s: %s() pages_perwrite=%d\n",
2190 dev->name,__func__,
2191 privptr->p_buff_pages_perwrite);
2192 }
2193 printk(KERN_INFO "%s: %s() write_pages=%d\n",
2194 dev->name,__func__,
2195 claw_write_pages);
2196#endif
2197
2198
2199 /* 1553 /*
2200 * allocate ccw_pages_required 1554 * allocate ccw_pages_required
2201 */ 1555 */
@@ -2204,17 +1558,6 @@ init_ccw_bk(struct net_device *dev)
2204 (void *)__get_free_pages(__GFP_DMA, 1558 (void *)__get_free_pages(__GFP_DMA,
2205 (int)pages_to_order_of_mag(ccw_pages_required )); 1559 (int)pages_to_order_of_mag(ccw_pages_required ));
2206 if (privptr->p_buff_ccw==NULL) { 1560 if (privptr->p_buff_ccw==NULL) {
2207 printk(KERN_INFO "%s: %s() "
2208 "__get_free_pages for CCWs failed : "
2209 "pages is %d\n",
2210 dev->name,__func__,
2211 ccw_pages_required );
2212#ifdef FUNCTRACE
2213 printk(KERN_INFO "%s: %s() > "
2214 "exit on line %d, rc = ENOMEM\n",
2215 dev->name,__func__,
2216 __LINE__);
2217#endif
2218 return -ENOMEM; 1561 return -ENOMEM;
2219 } 1562 }
2220 privptr->p_buff_ccw_num=ccw_pages_required; 1563 privptr->p_buff_ccw_num=ccw_pages_required;
@@ -2229,11 +1572,6 @@ init_ccw_bk(struct net_device *dev)
2229 privptr->p_end_ccw = (struct endccw *)&privptr->end_ccw; 1572 privptr->p_end_ccw = (struct endccw *)&privptr->end_ccw;
2230 real_address = (__u32)__pa(privptr->p_end_ccw); 1573 real_address = (__u32)__pa(privptr->p_end_ccw);
2231 /* Initialize ending CCW block */ 1574 /* Initialize ending CCW block */
2232#ifdef DEBUGMSG
2233 printk(KERN_INFO "%s: %s() begin initialize ending CCW blocks\n",
2234 dev->name,__func__);
2235#endif
2236
2237 p_endccw=privptr->p_end_ccw; 1575 p_endccw=privptr->p_end_ccw;
2238 p_endccw->real=real_address; 1576 p_endccw->real=real_address;
2239 p_endccw->write1=0x00; 1577 p_endccw->write1=0x00;
@@ -2287,21 +1625,10 @@ init_ccw_bk(struct net_device *dev)
2287 p_endccw->read2_nop2.count = 1; 1625 p_endccw->read2_nop2.count = 1;
2288 p_endccw->read2_nop2.cda = 0; 1626 p_endccw->read2_nop2.cda = 0;
2289 1627
2290#ifdef IOTRACE
2291 printk(KERN_INFO "%s: %s() dump claw ending CCW BK \n",
2292 dev->name,__func__);
2293 dumpit((char *)p_endccw, sizeof(struct endccw));
2294#endif
2295
2296 /* 1628 /*
2297 * Build a chain of CCWs 1629 * Build a chain of CCWs
2298 * 1630 *
2299 */ 1631 */
2300
2301#ifdef DEBUGMSG
2302 printk(KERN_INFO "%s: %s() Begin build a chain of CCW buffer \n",
2303 dev->name,__func__);
2304#endif
2305 p_buff=privptr->p_buff_ccw; 1632 p_buff=privptr->p_buff_ccw;
2306 1633
2307 p_free_chain=NULL; 1634 p_free_chain=NULL;
@@ -2316,26 +1643,10 @@ init_ccw_bk(struct net_device *dev)
2316 } 1643 }
2317 p_buff+=PAGE_SIZE; 1644 p_buff+=PAGE_SIZE;
2318 } 1645 }
2319#ifdef DEBUGMSG
2320 printk(KERN_INFO "%s: %s() "
2321 "End build a chain of CCW buffer \n",
2322 dev->name,__func__);
2323 p_buf=p_free_chain;
2324 while (p_buf!=NULL) {
2325 dumpit((char *)p_buf, sizeof(struct ccwbk));
2326 p_buf=p_buf->next;
2327 }
2328#endif
2329
2330 /* 1646 /*
2331 * Initialize ClawSignalBlock 1647 * Initialize ClawSignalBlock
2332 * 1648 *
2333 */ 1649 */
2334#ifdef DEBUGMSG
2335 printk(KERN_INFO "%s: %s() "
2336 "Begin initialize ClawSignalBlock \n",
2337 dev->name,__func__);
2338#endif
2339 if (privptr->p_claw_signal_blk==NULL) { 1650 if (privptr->p_claw_signal_blk==NULL) {
2340 privptr->p_claw_signal_blk=p_free_chain; 1651 privptr->p_claw_signal_blk=p_free_chain;
2341 p_free_chain=p_free_chain->next; 1652 p_free_chain=p_free_chain->next;
@@ -2344,12 +1655,6 @@ init_ccw_bk(struct net_device *dev)
2344 pClawH->opcode=0xff; 1655 pClawH->opcode=0xff;
2345 pClawH->flag=CLAW_BUSY; 1656 pClawH->flag=CLAW_BUSY;
2346 } 1657 }
2347#ifdef DEBUGMSG
2348 printk(KERN_INFO "%s: %s() > End initialize "
2349 "ClawSignalBlock\n",
2350 dev->name,__func__);
2351 dumpit((char *)privptr->p_claw_signal_blk, sizeof(struct ccwbk));
2352#endif
2353 1658
2354 /* 1659 /*
2355 * allocate write_pages_required and add to free chain 1660 * allocate write_pages_required and add to free chain
@@ -2360,17 +1665,7 @@ init_ccw_bk(struct net_device *dev)
2360 (void *)__get_free_pages(__GFP_DMA, 1665 (void *)__get_free_pages(__GFP_DMA,
2361 (int)pages_to_order_of_mag(claw_write_pages )); 1666 (int)pages_to_order_of_mag(claw_write_pages ));
2362 if (privptr->p_buff_write==NULL) { 1667 if (privptr->p_buff_write==NULL) {
2363 printk(KERN_INFO "%s: %s() __get_free_pages for write"
2364 " bufs failed : get is for %d pages\n",
2365 dev->name,__func__,claw_write_pages );
2366 free_pages((unsigned long)privptr->p_buff_ccw,
2367 (int)pages_to_order_of_mag(privptr->p_buff_ccw_num));
2368 privptr->p_buff_ccw=NULL; 1668 privptr->p_buff_ccw=NULL;
2369#ifdef FUNCTRACE
2370 printk(KERN_INFO "%s: %s() > exit on line %d,"
2371 "rc = ENOMEM\n",
2372 dev->name,__func__,__LINE__);
2373#endif
2374 return -ENOMEM; 1669 return -ENOMEM;
2375 } 1670 }
2376 /* 1671 /*
@@ -2380,10 +1675,6 @@ init_ccw_bk(struct net_device *dev)
2380 1675
2381 memset(privptr->p_buff_write, 0x00, 1676 memset(privptr->p_buff_write, 0x00,
2382 ccw_pages_required * PAGE_SIZE); 1677 ccw_pages_required * PAGE_SIZE);
2383#ifdef DEBUGMSG
2384 printk(KERN_INFO "%s: %s() Begin build claw write free "
2385 "chain \n",dev->name,__func__);
2386#endif
2387 privptr->p_write_free_chain=NULL; 1678 privptr->p_write_free_chain=NULL;
2388 1679
2389 p_buff=privptr->p_buff_write; 1680 p_buff=privptr->p_buff_write;
@@ -2419,18 +1710,7 @@ init_ccw_bk(struct net_device *dev)
2419 p_buff=(void *)__get_free_pages(__GFP_DMA, 1710 p_buff=(void *)__get_free_pages(__GFP_DMA,
2420 (int)pages_to_order_of_mag( 1711 (int)pages_to_order_of_mag(
2421 privptr->p_buff_pages_perwrite) ); 1712 privptr->p_buff_pages_perwrite) );
2422#ifdef IOTRACE
2423 printk(KERN_INFO "%s:%s __get_free_pages "
2424 "for writes buf: get for %d pages\n",
2425 dev->name,__func__,
2426 privptr->p_buff_pages_perwrite);
2427#endif
2428 if (p_buff==NULL) { 1713 if (p_buff==NULL) {
2429 printk(KERN_INFO "%s:%s __get_free_pages "
2430 "for writes buf failed : get is for %d pages\n",
2431 dev->name,
2432 __func__,
2433 privptr->p_buff_pages_perwrite );
2434 free_pages((unsigned long)privptr->p_buff_ccw, 1714 free_pages((unsigned long)privptr->p_buff_ccw,
2435 (int)pages_to_order_of_mag( 1715 (int)pages_to_order_of_mag(
2436 privptr->p_buff_ccw_num)); 1716 privptr->p_buff_ccw_num));
@@ -2443,12 +1723,6 @@ init_ccw_bk(struct net_device *dev)
2443 privptr->p_buff_pages_perwrite)); 1723 privptr->p_buff_pages_perwrite));
2444 p_buf=p_buf->next; 1724 p_buf=p_buf->next;
2445 } 1725 }
2446#ifdef FUNCTRACE
2447 printk(KERN_INFO "%s: %s exit on line %d, rc = ENOMEM\n",
2448 dev->name,
2449 __func__,
2450 __LINE__);
2451#endif
2452 return -ENOMEM; 1726 return -ENOMEM;
2453 } /* Error on get_pages */ 1727 } /* Error on get_pages */
2454 memset(p_buff, 0x00, privptr->p_env->write_size ); 1728 memset(p_buff, 0x00, privptr->p_env->write_size );
@@ -2477,15 +1751,6 @@ init_ccw_bk(struct net_device *dev)
2477 privptr->write_free_count=privptr->p_env->write_buffers; 1751 privptr->write_free_count=privptr->p_env->write_buffers;
2478 1752
2479 1753
2480#ifdef DEBUGMSG
2481 printk(KERN_INFO "%s:%s End build claw write free chain \n",
2482 dev->name,__func__);
2483 p_buf=privptr->p_write_free_chain;
2484 while (p_buf!=NULL) {
2485 dumpit((char *)p_buf, sizeof(struct ccwbk));
2486 p_buf=p_buf->next;
2487 }
2488#endif
2489 /* 1754 /*
2490 * allocate read_pages_required and chain to free chain 1755 * allocate read_pages_required and chain to free chain
2491 */ 1756 */
@@ -2495,10 +1760,6 @@ init_ccw_bk(struct net_device *dev)
2495 (void *)__get_free_pages(__GFP_DMA, 1760 (void *)__get_free_pages(__GFP_DMA,
2496 (int)pages_to_order_of_mag(claw_read_pages) ); 1761 (int)pages_to_order_of_mag(claw_read_pages) );
2497 if (privptr->p_buff_read==NULL) { 1762 if (privptr->p_buff_read==NULL) {
2498 printk(KERN_INFO "%s: %s() "
2499 "__get_free_pages for read buf failed : "
2500 "get is for %d pages\n",
2501 dev->name,__func__,claw_read_pages );
2502 free_pages((unsigned long)privptr->p_buff_ccw, 1763 free_pages((unsigned long)privptr->p_buff_ccw,
2503 (int)pages_to_order_of_mag( 1764 (int)pages_to_order_of_mag(
2504 privptr->p_buff_ccw_num)); 1765 privptr->p_buff_ccw_num));
@@ -2508,10 +1769,6 @@ init_ccw_bk(struct net_device *dev)
2508 privptr->p_buff_write_num)); 1769 privptr->p_buff_write_num));
2509 privptr->p_buff_ccw=NULL; 1770 privptr->p_buff_ccw=NULL;
2510 privptr->p_buff_write=NULL; 1771 privptr->p_buff_write=NULL;
2511#ifdef FUNCTRACE
2512 printk(KERN_INFO "%s: %s() > exit on line %d, rc ="
2513 " ENOMEM\n",dev->name,__func__,__LINE__);
2514#endif
2515 return -ENOMEM; 1772 return -ENOMEM;
2516 } 1773 }
2517 memset(privptr->p_buff_read, 0x00, claw_read_pages * PAGE_SIZE); 1774 memset(privptr->p_buff_read, 0x00, claw_read_pages * PAGE_SIZE);
@@ -2520,10 +1777,6 @@ init_ccw_bk(struct net_device *dev)
2520 * Build CLAW read free chain 1777 * Build CLAW read free chain
2521 * 1778 *
2522 */ 1779 */
2523#ifdef DEBUGMSG
2524 printk(KERN_INFO "%s: %s() Begin build claw read free chain \n",
2525 dev->name,__func__);
2526#endif
2527 p_buff=privptr->p_buff_read; 1780 p_buff=privptr->p_buff_read;
2528 for (i=0 ; i< privptr->p_env->read_buffers ; i++) { 1781 for (i=0 ; i< privptr->p_env->read_buffers ; i++) {
2529 p_buf = p_free_chain; 1782 p_buf = p_free_chain;
@@ -2600,19 +1853,10 @@ init_ccw_bk(struct net_device *dev)
2600 } /* for read_buffers */ 1853 } /* for read_buffers */
2601 } /* read_size < PAGE_SIZE */ 1854 } /* read_size < PAGE_SIZE */
2602 else { /* read Size >= PAGE_SIZE */ 1855 else { /* read Size >= PAGE_SIZE */
2603
2604#ifdef DEBUGMSG
2605 printk(KERN_INFO "%s: %s() Begin build claw read free chain \n",
2606 dev->name,__func__);
2607#endif
2608 for (i=0 ; i< privptr->p_env->read_buffers ; i++) { 1856 for (i=0 ; i< privptr->p_env->read_buffers ; i++) {
2609 p_buff = (void *)__get_free_pages(__GFP_DMA, 1857 p_buff = (void *)__get_free_pages(__GFP_DMA,
2610 (int)pages_to_order_of_mag(privptr->p_buff_pages_perread) ); 1858 (int)pages_to_order_of_mag(privptr->p_buff_pages_perread) );
2611 if (p_buff==NULL) { 1859 if (p_buff==NULL) {
2612 printk(KERN_INFO "%s: %s() __get_free_pages for read "
2613 "buf failed : get is for %d pages\n",
2614 dev->name,__func__,
2615 privptr->p_buff_pages_perread );
2616 free_pages((unsigned long)privptr->p_buff_ccw, 1860 free_pages((unsigned long)privptr->p_buff_ccw,
2617 (int)pages_to_order_of_mag(privptr->p_buff_ccw_num)); 1861 (int)pages_to_order_of_mag(privptr->p_buff_ccw_num));
2618 /* free the write pages */ 1862 /* free the write pages */
@@ -2633,11 +1877,6 @@ init_ccw_bk(struct net_device *dev)
2633 } 1877 }
2634 privptr->p_buff_ccw=NULL; 1878 privptr->p_buff_ccw=NULL;
2635 privptr->p_buff_write=NULL; 1879 privptr->p_buff_write=NULL;
2636#ifdef FUNCTRACE
2637 printk(KERN_INFO "%s: %s() exit on line %d, rc = ENOMEM\n",
2638 dev->name,__func__,
2639 __LINE__);
2640#endif
2641 return -ENOMEM; 1880 return -ENOMEM;
2642 } 1881 }
2643 memset(p_buff, 0x00, privptr->p_env->read_size); 1882 memset(p_buff, 0x00, privptr->p_env->read_size);
@@ -2706,22 +1945,9 @@ init_ccw_bk(struct net_device *dev)
2706 } /* For read_buffers */ 1945 } /* For read_buffers */
2707 } /* read_size >= PAGE_SIZE */ 1946 } /* read_size >= PAGE_SIZE */
2708 } /* pBuffread = NULL */ 1947 } /* pBuffread = NULL */
2709#ifdef DEBUGMSG
2710 printk(KERN_INFO "%s: %s() > End build claw read free chain \n",
2711 dev->name,__func__);
2712 p_buf=p_first_CCWB;
2713 while (p_buf!=NULL) {
2714 dumpit((char *)p_buf, sizeof(struct ccwbk));
2715 p_buf=p_buf->next;
2716 }
2717
2718#endif
2719 add_claw_reads( dev ,p_first_CCWB , p_last_CCWB); 1948 add_claw_reads( dev ,p_first_CCWB , p_last_CCWB);
2720 privptr->buffs_alloc = 1; 1949 privptr->buffs_alloc = 1;
2721#ifdef FUNCTRACE 1950
2722 printk(KERN_INFO "%s: %s() exit on line %d\n",
2723 dev->name,__func__,__LINE__);
2724#endif
2725 return 0; 1951 return 0;
2726} /* end of init_ccw_bk */ 1952} /* end of init_ccw_bk */
2727 1953
@@ -2735,14 +1961,8 @@ static void
2735probe_error( struct ccwgroup_device *cgdev) 1961probe_error( struct ccwgroup_device *cgdev)
2736{ 1962{
2737 struct claw_privbk *privptr; 1963 struct claw_privbk *privptr;
2738#ifdef FUNCTRACE 1964
2739 printk(KERN_INFO "%s enter \n",__func__); 1965 CLAW_DBF_TEXT(4, trace, "proberr");
2740#endif
2741 CLAW_DBF_TEXT(4,trace,"proberr");
2742#ifdef DEBUGMSG
2743 printk(KERN_INFO "%s variable cgdev =\n",__func__);
2744 dumpit((char *) cgdev, sizeof(struct ccwgroup_device));
2745#endif
2746 privptr=(struct claw_privbk *)cgdev->dev.driver_data; 1966 privptr=(struct claw_privbk *)cgdev->dev.driver_data;
2747 if (privptr!=NULL) { 1967 if (privptr!=NULL) {
2748 kfree(privptr->p_env); 1968 kfree(privptr->p_env);
@@ -2752,16 +1972,9 @@ probe_error( struct ccwgroup_device *cgdev)
2752 kfree(privptr); 1972 kfree(privptr);
2753 privptr=NULL; 1973 privptr=NULL;
2754 } 1974 }
2755#ifdef FUNCTRACE
2756 printk(KERN_INFO "%s > exit on line %d\n",
2757 __func__,__LINE__);
2758#endif
2759
2760 return; 1975 return;
2761} /* probe_error */ 1976} /* probe_error */
2762 1977
2763
2764
2765/*-------------------------------------------------------------------* 1978/*-------------------------------------------------------------------*
2766* claw_process_control * 1979* claw_process_control *
2767* * 1980* *
@@ -2783,32 +1996,19 @@ claw_process_control( struct net_device *dev, struct ccwbk * p_ccw)
2783 struct conncmd *p_connect=NULL; 1996 struct conncmd *p_connect=NULL;
2784 int rc; 1997 int rc;
2785 struct chbk *p_ch = NULL; 1998 struct chbk *p_ch = NULL;
2786#ifdef FUNCTRACE 1999 struct device *tdev;
2787 printk(KERN_INFO "%s: %s() > enter \n", 2000 CLAW_DBF_TEXT(2, setup, "clw_cntl");
2788 dev->name,__func__);
2789#endif
2790 CLAW_DBF_TEXT(2,setup,"clw_cntl");
2791#ifdef DEBUGMSG
2792 printk(KERN_INFO "%s: variable dev =\n",dev->name);
2793 dumpit((char *) dev, sizeof(struct net_device));
2794 printk(KERN_INFO "%s: variable p_ccw =\n",dev->name);
2795 dumpit((char *) p_ccw, sizeof(struct ccwbk *));
2796#endif
2797 udelay(1000); /* Wait a ms for the control packets to 2001 udelay(1000); /* Wait a ms for the control packets to
2798 *catch up to each other */ 2002 *catch up to each other */
2799 privptr=dev->priv; 2003 privptr=dev->priv;
2800 p_env=privptr->p_env; 2004 p_env=privptr->p_env;
2005 tdev = &privptr->channel[READ].cdev->dev;
2801 memcpy( &temp_host_name, p_env->host_name, 8); 2006 memcpy( &temp_host_name, p_env->host_name, 8);
2802 memcpy( &temp_ws_name, p_env->adapter_name , 8); 2007 memcpy( &temp_ws_name, p_env->adapter_name , 8);
2803 printk(KERN_INFO "%s: CLAW device %.8s: " 2008 printk(KERN_INFO "%s: CLAW device %.8s: "
2804 "Received Control Packet\n", 2009 "Received Control Packet\n",
2805 dev->name, temp_ws_name); 2010 dev->name, temp_ws_name);
2806 if (privptr->release_pend==1) { 2011 if (privptr->release_pend==1) {
2807#ifdef FUNCTRACE
2808 printk(KERN_INFO "%s: %s() > "
2809 "exit on line %d, rc=0\n",
2810 dev->name,__func__,__LINE__);
2811#endif
2812 return 0; 2012 return 0;
2813 } 2013 }
2814 p_buf=p_ccw->p_buffer; 2014 p_buf=p_ccw->p_buffer;
@@ -2818,261 +2018,246 @@ claw_process_control( struct net_device *dev, struct ccwbk * p_ccw)
2818 } else { 2018 } else {
2819 memcpy(p_ctlbk, p_buf, sizeof(struct clawctl)); 2019 memcpy(p_ctlbk, p_buf, sizeof(struct clawctl));
2820 } 2020 }
2821#ifdef IOTRACE
2822 printk(KERN_INFO "%s: dump claw control data inbound\n",dev->name);
2823 dumpit((char *)p_ctlbk, sizeof(struct clawctl));
2824#endif
2825 switch (p_ctlbk->command) 2021 switch (p_ctlbk->command)
2826 { 2022 {
2827 case SYSTEM_VALIDATE_REQUEST: 2023 case SYSTEM_VALIDATE_REQUEST:
2828 if (p_ctlbk->version!=CLAW_VERSION_ID) { 2024 if (p_ctlbk->version != CLAW_VERSION_ID) {
2829 claw_snd_sys_validate_rsp(dev, p_ctlbk, 2025 claw_snd_sys_validate_rsp(dev, p_ctlbk,
2830 CLAW_RC_WRONG_VERSION ); 2026 CLAW_RC_WRONG_VERSION);
2831 printk("%s: %d is wrong version id. " 2027 printk("%s: %d is wrong version id. "
2832 "Expected %d\n", 2028 "Expected %d\n",
2833 dev->name, p_ctlbk->version, 2029 dev->name, p_ctlbk->version,
2834 CLAW_VERSION_ID); 2030 CLAW_VERSION_ID);
2835 } 2031 }
2836 p_sysval=(struct sysval *)&(p_ctlbk->data); 2032 p_sysval = (struct sysval *)&(p_ctlbk->data);
2837 printk( "%s: Recv Sys Validate Request: " 2033 printk("%s: Recv Sys Validate Request: "
2838 "Vers=%d,link_id=%d,Corr=%d,WS name=%." 2034 "Vers=%d,link_id=%d,Corr=%d,WS name=%."
2839 "8s,Host name=%.8s\n", 2035 "8s,Host name=%.8s\n",
2840 dev->name, p_ctlbk->version, 2036 dev->name, p_ctlbk->version,
2841 p_ctlbk->linkid, 2037 p_ctlbk->linkid,
2842 p_ctlbk->correlator, 2038 p_ctlbk->correlator,
2843 p_sysval->WS_name, 2039 p_sysval->WS_name,
2844 p_sysval->host_name); 2040 p_sysval->host_name);
2845 if (0!=memcmp(temp_host_name,p_sysval->host_name,8)) { 2041 if (memcmp(temp_host_name, p_sysval->host_name, 8)) {
2846 claw_snd_sys_validate_rsp(dev, p_ctlbk, 2042 claw_snd_sys_validate_rsp(dev, p_ctlbk,
2847 CLAW_RC_NAME_MISMATCH ); 2043 CLAW_RC_NAME_MISMATCH);
2848 CLAW_DBF_TEXT(2,setup,"HSTBAD"); 2044 CLAW_DBF_TEXT(2, setup, "HSTBAD");
2849 CLAW_DBF_TEXT_(2,setup,"%s",p_sysval->host_name); 2045 CLAW_DBF_TEXT_(2, setup, "%s", p_sysval->host_name);
2850 CLAW_DBF_TEXT_(2,setup,"%s",temp_host_name); 2046 CLAW_DBF_TEXT_(2, setup, "%s", temp_host_name);
2851 printk(KERN_INFO "%s: Host name mismatch\n", 2047 printk(KERN_INFO "%s: Host name mismatch\n",
2852 dev->name); 2048 dev->name);
2853 printk(KERN_INFO "%s: Received :%s: " 2049 printk(KERN_INFO "%s: Received :%s: "
2854 "expected :%s: \n", 2050 "expected :%s: \n",
2855 dev->name, 2051 dev->name,
2856 p_sysval->host_name, 2052 p_sysval->host_name,
2857 temp_host_name); 2053 temp_host_name);
2858 } 2054 }
2859 if (0!=memcmp(temp_ws_name,p_sysval->WS_name,8)) { 2055 if (memcmp(temp_ws_name, p_sysval->WS_name, 8)) {
2860 claw_snd_sys_validate_rsp(dev, p_ctlbk, 2056 claw_snd_sys_validate_rsp(dev, p_ctlbk,
2861 CLAW_RC_NAME_MISMATCH ); 2057 CLAW_RC_NAME_MISMATCH);
2862 CLAW_DBF_TEXT(2,setup,"WSNBAD"); 2058 CLAW_DBF_TEXT(2, setup, "WSNBAD");
2863 CLAW_DBF_TEXT_(2,setup,"%s",p_sysval->WS_name); 2059 CLAW_DBF_TEXT_(2, setup, "%s", p_sysval->WS_name);
2864 CLAW_DBF_TEXT_(2,setup,"%s",temp_ws_name); 2060 CLAW_DBF_TEXT_(2, setup, "%s", temp_ws_name);
2865 printk(KERN_INFO "%s: WS name mismatch\n", 2061 printk(KERN_INFO "%s: WS name mismatch\n",
2866 dev->name); 2062 dev->name);
2867 printk(KERN_INFO "%s: Received :%s: " 2063 printk(KERN_INFO "%s: Received :%s: "
2868 "expected :%s: \n", 2064 "expected :%s: \n",
2869 dev->name, 2065 dev->name,
2870 p_sysval->WS_name, 2066 p_sysval->WS_name,
2871 temp_ws_name); 2067 temp_ws_name);
2872 } 2068 }
2873 if (( p_sysval->write_frame_size < p_env->write_size) && 2069 if ((p_sysval->write_frame_size < p_env->write_size) &&
2874 ( p_env->packing == 0)) { 2070 (p_env->packing == 0)) {
2875 claw_snd_sys_validate_rsp(dev, p_ctlbk, 2071 claw_snd_sys_validate_rsp(dev, p_ctlbk,
2876 CLAW_RC_HOST_RCV_TOO_SMALL ); 2072 CLAW_RC_HOST_RCV_TOO_SMALL);
2877 printk(KERN_INFO "%s: host write size is too " 2073 printk(KERN_INFO "%s: host write size is too "
2878 "small\n", dev->name); 2074 "small\n", dev->name);
2879 CLAW_DBF_TEXT(2,setup,"wrtszbad"); 2075 CLAW_DBF_TEXT(2, setup, "wrtszbad");
2880 } 2076 }
2881 if (( p_sysval->read_frame_size < p_env->read_size) && 2077 if ((p_sysval->read_frame_size < p_env->read_size) &&
2882 ( p_env->packing == 0)) { 2078 (p_env->packing == 0)) {
2883 claw_snd_sys_validate_rsp(dev, p_ctlbk, 2079 claw_snd_sys_validate_rsp(dev, p_ctlbk,
2884 CLAW_RC_HOST_RCV_TOO_SMALL ); 2080 CLAW_RC_HOST_RCV_TOO_SMALL);
2885 printk(KERN_INFO "%s: host read size is too " 2081 printk(KERN_INFO "%s: host read size is too "
2886 "small\n", dev->name); 2082 "small\n", dev->name);
2887 CLAW_DBF_TEXT(2,setup,"rdsizbad"); 2083 CLAW_DBF_TEXT(2, setup, "rdsizbad");
2888 } 2084 }
2889 claw_snd_sys_validate_rsp(dev, p_ctlbk, 0 ); 2085 claw_snd_sys_validate_rsp(dev, p_ctlbk, 0);
2890 printk("%s: CLAW device %.8s: System validate" 2086 printk(KERN_INFO "%s: CLAW device %.8s: System validate "
2891 " completed.\n",dev->name, temp_ws_name); 2087 "completed.\n", dev->name, temp_ws_name);
2892 printk("%s: sys Validate Rsize:%d Wsize:%d\n",dev->name, 2088 printk("%s: sys Validate Rsize:%d Wsize:%d\n", dev->name,
2893 p_sysval->read_frame_size,p_sysval->write_frame_size); 2089 p_sysval->read_frame_size, p_sysval->write_frame_size);
2894 privptr->system_validate_comp=1; 2090 privptr->system_validate_comp = 1;
2895 if(strncmp(p_env->api_type,WS_APPL_NAME_PACKED,6) == 0) { 2091 if (strncmp(p_env->api_type, WS_APPL_NAME_PACKED, 6) == 0)
2896 p_env->packing = PACKING_ASK; 2092 p_env->packing = PACKING_ASK;
2897 } 2093 claw_strt_conn_req(dev);
2898 claw_strt_conn_req(dev); 2094 break;
2899 break; 2095 case SYSTEM_VALIDATE_RESPONSE:
2900 2096 p_sysval = (struct sysval *)&(p_ctlbk->data);
2901 case SYSTEM_VALIDATE_RESPONSE: 2097 printk("%s: Recv Sys Validate Resp: Vers=%d,Corr=%d,RC=%d,"
2902 p_sysval=(struct sysval *)&(p_ctlbk->data); 2098 "WS name=%.8s,Host name=%.8s\n",
2903 printk("%s: Recv Sys Validate Resp: Vers=%d,Corr=%d,RC=%d," 2099 dev->name,
2904 "WS name=%.8s,Host name=%.8s\n", 2100 p_ctlbk->version,
2905 dev->name, 2101 p_ctlbk->correlator,
2906 p_ctlbk->version, 2102 p_ctlbk->rc,
2907 p_ctlbk->correlator, 2103 p_sysval->WS_name,
2908 p_ctlbk->rc, 2104 p_sysval->host_name);
2909 p_sysval->WS_name, 2105 switch (p_ctlbk->rc) {
2910 p_sysval->host_name); 2106 case 0:
2911 switch (p_ctlbk->rc) 2107 printk(KERN_INFO "%s: CLAW device "
2912 { 2108 "%.8s: System validate "
2913 case 0: 2109 "completed.\n",
2914 printk(KERN_INFO "%s: CLAW device " 2110 dev->name, temp_ws_name);
2915 "%.8s: System validate " 2111 if (privptr->system_validate_comp == 0)
2916 "completed.\n", 2112 claw_strt_conn_req(dev);
2917 dev->name, temp_ws_name); 2113 privptr->system_validate_comp = 1;
2918 if (privptr->system_validate_comp == 0) 2114 break;
2919 claw_strt_conn_req(dev); 2115 case CLAW_RC_NAME_MISMATCH:
2920 privptr->system_validate_comp=1; 2116 printk(KERN_INFO "%s: Sys Validate "
2921 break; 2117 "Resp : Host, WS name is "
2922 case CLAW_RC_NAME_MISMATCH: 2118 "mismatch\n",
2923 printk(KERN_INFO "%s: Sys Validate " 2119 dev->name);
2924 "Resp : Host, WS name is " 2120 break;
2925 "mismatch\n", 2121 case CLAW_RC_WRONG_VERSION:
2926 dev->name); 2122 printk(KERN_INFO "%s: Sys Validate "
2927 break; 2123 "Resp : Wrong version\n",
2928 case CLAW_RC_WRONG_VERSION: 2124 dev->name);
2929 printk(KERN_INFO "%s: Sys Validate " 2125 break;
2930 "Resp : Wrong version\n", 2126 case CLAW_RC_HOST_RCV_TOO_SMALL:
2931 dev->name); 2127 printk(KERN_INFO "%s: Sys Validate "
2932 break; 2128 "Resp : bad frame size\n",
2933 case CLAW_RC_HOST_RCV_TOO_SMALL: 2129 dev->name);
2934 printk(KERN_INFO "%s: Sys Validate " 2130 break;
2935 "Resp : bad frame size\n", 2131 default:
2936 dev->name); 2132 printk(KERN_INFO "%s: Sys Validate "
2937 break; 2133 "error code=%d \n",
2938 default: 2134 dev->name, p_ctlbk->rc);
2939 printk(KERN_INFO "%s: Sys Validate " 2135 break;
2940 "error code=%d \n", 2136 }
2941 dev->name, p_ctlbk->rc ); 2137 break;
2942 break;
2943 }
2944 break;
2945 2138
2946 case CONNECTION_REQUEST: 2139 case CONNECTION_REQUEST:
2947 p_connect=(struct conncmd *)&(p_ctlbk->data); 2140 p_connect = (struct conncmd *)&(p_ctlbk->data);
2948 printk(KERN_INFO "%s: Recv Conn Req: Vers=%d,link_id=%d," 2141 printk(KERN_INFO "%s: Recv Conn Req: Vers=%d,link_id=%d,"
2949 "Corr=%d,HOST appl=%.8s,WS appl=%.8s\n", 2142 "Corr=%d,HOST appl=%.8s,WS appl=%.8s\n",
2950 dev->name, 2143 dev->name,
2951 p_ctlbk->version, 2144 p_ctlbk->version,
2952 p_ctlbk->linkid, 2145 p_ctlbk->linkid,
2953 p_ctlbk->correlator, 2146 p_ctlbk->correlator,
2954 p_connect->host_name, 2147 p_connect->host_name,
2955 p_connect->WS_name); 2148 p_connect->WS_name);
2956 if (privptr->active_link_ID!=0 ) { 2149 if (privptr->active_link_ID != 0) {
2957 claw_snd_disc(dev, p_ctlbk); 2150 claw_snd_disc(dev, p_ctlbk);
2958 printk(KERN_INFO "%s: Conn Req error : " 2151 printk(KERN_INFO "%s: Conn Req error : "
2959 "already logical link is active \n", 2152 "already logical link is active \n",
2960 dev->name); 2153 dev->name);
2961 } 2154 }
2962 if (p_ctlbk->linkid!=1 ) { 2155 if (p_ctlbk->linkid != 1) {
2963 claw_snd_disc(dev, p_ctlbk); 2156 claw_snd_disc(dev, p_ctlbk);
2964 printk(KERN_INFO "%s: Conn Req error : " 2157 printk(KERN_INFO "%s: Conn Req error : "
2965 "req logical link id is not 1\n", 2158 "req logical link id is not 1\n",
2159 dev->name);
2160 }
2161 rc = find_link(dev, p_connect->host_name, p_connect->WS_name);
2162 if (rc != 0) {
2163 claw_snd_disc(dev, p_ctlbk);
2164 printk(KERN_INFO "%s: Conn Resp error: "
2165 "req appl name does not match\n",
2166 dev->name);
2167 }
2168 claw_send_control(dev,
2169 CONNECTION_CONFIRM, p_ctlbk->linkid,
2170 p_ctlbk->correlator,
2171 0, p_connect->host_name,
2172 p_connect->WS_name);
2173 if (p_env->packing == PACKING_ASK) {
2174 p_env->packing = PACK_SEND;
2175 claw_snd_conn_req(dev, 0);
2176 }
2177 printk(KERN_INFO "%s: CLAW device %.8s: Connection "
2178 "completed link_id=%d.\n",
2179 dev->name, temp_ws_name,
2180 p_ctlbk->linkid);
2181 privptr->active_link_ID = p_ctlbk->linkid;
2182 p_ch = &privptr->channel[WRITE];
2183 wake_up(&p_ch->wait); /* wake up claw_open ( WRITE) */
2184 break;
2185 case CONNECTION_RESPONSE:
2186 p_connect = (struct conncmd *)&(p_ctlbk->data);
2187 printk(KERN_INFO "%s: Revc Conn Resp: Vers=%d,link_id=%d,"
2188 "Corr=%d,RC=%d,Host appl=%.8s, WS appl=%.8s\n",
2189 dev->name,
2190 p_ctlbk->version,
2191 p_ctlbk->linkid,
2192 p_ctlbk->correlator,
2193 p_ctlbk->rc,
2194 p_connect->host_name,
2195 p_connect->WS_name);
2196
2197 if (p_ctlbk->rc != 0) {
2198 printk(KERN_INFO "%s: Conn Resp error: rc=%d \n",
2199 dev->name, p_ctlbk->rc);
2200 return 1;
2201 }
2202 rc = find_link(dev,
2203 p_connect->host_name, p_connect->WS_name);
2204 if (rc != 0) {
2205 claw_snd_disc(dev, p_ctlbk);
2206 printk(KERN_INFO "%s: Conn Resp error: "
2207 "req appl name does not match\n",
2208 dev->name);
2209 }
2210 /* should be until CONNECTION_CONFIRM */
2211 privptr->active_link_ID = -(p_ctlbk->linkid);
2212 break;
2213 case CONNECTION_CONFIRM:
2214 p_connect = (struct conncmd *)&(p_ctlbk->data);
2215 printk(KERN_INFO "%s: Recv Conn Confirm:Vers=%d,link_id=%d,"
2216 "Corr=%d,Host appl=%.8s,WS appl=%.8s\n",
2217 dev->name,
2218 p_ctlbk->version,
2219 p_ctlbk->linkid,
2220 p_ctlbk->correlator,
2221 p_connect->host_name,
2222 p_connect->WS_name);
2223 if (p_ctlbk->linkid == -(privptr->active_link_ID)) {
2224 privptr->active_link_ID = p_ctlbk->linkid;
2225 if (p_env->packing > PACKING_ASK) {
2226 printk(KERN_INFO "%s: Confirmed Now packing\n",
2966 dev->name); 2227 dev->name);
2967 }
2968 rc=find_link(dev,
2969 p_connect->host_name, p_connect->WS_name);
2970 if (rc!=0) {
2971 claw_snd_disc(dev, p_ctlbk);
2972 printk(KERN_INFO "%s: Conn Req error : "
2973 "req appl name does not match\n",
2974 dev->name);
2975 }
2976 claw_send_control(dev,
2977 CONNECTION_CONFIRM, p_ctlbk->linkid,
2978 p_ctlbk->correlator,
2979 0, p_connect->host_name,
2980 p_connect->WS_name);
2981 if (p_env->packing == PACKING_ASK) {
2982 printk("%s: Now Pack ask\n",dev->name);
2983 p_env->packing = PACK_SEND;
2984 claw_snd_conn_req(dev,0);
2985 }
2986 printk(KERN_INFO "%s: CLAW device %.8s: Connection "
2987 "completed link_id=%d.\n",
2988 dev->name, temp_ws_name,
2989 p_ctlbk->linkid);
2990 privptr->active_link_ID=p_ctlbk->linkid;
2991 p_ch=&privptr->channel[WRITE];
2992 wake_up(&p_ch->wait); /* wake up claw_open ( WRITE) */
2993 break;
2994 case CONNECTION_RESPONSE:
2995 p_connect=(struct conncmd *)&(p_ctlbk->data);
2996 printk(KERN_INFO "%s: Revc Conn Resp: Vers=%d,link_id=%d,"
2997 "Corr=%d,RC=%d,Host appl=%.8s, WS appl=%.8s\n",
2998 dev->name,
2999 p_ctlbk->version,
3000 p_ctlbk->linkid,
3001 p_ctlbk->correlator,
3002 p_ctlbk->rc,
3003 p_connect->host_name,
3004 p_connect->WS_name);
3005
3006 if (p_ctlbk->rc !=0 ) {
3007 printk(KERN_INFO "%s: Conn Resp error: rc=%d \n",
3008 dev->name, p_ctlbk->rc);
3009 return 1;
3010 }
3011 rc=find_link(dev,
3012 p_connect->host_name, p_connect->WS_name);
3013 if (rc!=0) {
3014 claw_snd_disc(dev, p_ctlbk);
3015 printk(KERN_INFO "%s: Conn Resp error: "
3016 "req appl name does not match\n",
3017 dev->name);
3018 }
3019 /* should be until CONNECTION_CONFIRM */
3020 privptr->active_link_ID = - (p_ctlbk->linkid);
3021 break;
3022 case CONNECTION_CONFIRM:
3023 p_connect=(struct conncmd *)&(p_ctlbk->data);
3024 printk(KERN_INFO "%s: Recv Conn Confirm:Vers=%d,link_id=%d,"
3025 "Corr=%d,Host appl=%.8s,WS appl=%.8s\n",
3026 dev->name,
3027 p_ctlbk->version,
3028 p_ctlbk->linkid,
3029 p_ctlbk->correlator,
3030 p_connect->host_name,
3031 p_connect->WS_name);
3032 if (p_ctlbk->linkid== -(privptr->active_link_ID)) {
3033 privptr->active_link_ID=p_ctlbk->linkid;
3034 if (p_env->packing > PACKING_ASK) {
3035 printk(KERN_INFO "%s: Confirmed Now packing\n",dev->name);
3036 p_env->packing = DO_PACKED;
3037 }
3038 p_ch=&privptr->channel[WRITE];
3039 wake_up(&p_ch->wait);
3040 }
3041 else {
3042 printk(KERN_INFO "%s: Conn confirm: "
3043 "unexpected linkid=%d \n",
3044 dev->name, p_ctlbk->linkid);
3045 claw_snd_disc(dev, p_ctlbk);
3046 }
3047 break;
3048 case DISCONNECT:
3049 printk(KERN_INFO "%s: Disconnect: "
3050 "Vers=%d,link_id=%d,Corr=%d\n",
3051 dev->name, p_ctlbk->version,
3052 p_ctlbk->linkid, p_ctlbk->correlator);
3053 if ((p_ctlbk->linkid == 2) &&
3054 (p_env->packing == PACK_SEND)) {
3055 privptr->active_link_ID = 1;
3056 p_env->packing = DO_PACKED; 2228 p_env->packing = DO_PACKED;
3057 } 2229 }
3058 else 2230 p_ch = &privptr->channel[WRITE];
3059 privptr->active_link_ID=0; 2231 wake_up(&p_ch->wait);
3060 break; 2232 } else {
3061 case CLAW_ERROR: 2233 printk(KERN_INFO "%s: Conn confirm: "
3062 printk(KERN_INFO "%s: CLAW ERROR detected\n", 2234 "unexpected linkid=%d \n",
3063 dev->name); 2235 dev->name, p_ctlbk->linkid);
3064 break; 2236 claw_snd_disc(dev, p_ctlbk);
3065 default: 2237 }
3066 printk(KERN_INFO "%s: Unexpected command code=%d \n", 2238 break;
3067 dev->name, p_ctlbk->command); 2239 case DISCONNECT:
3068 break; 2240 printk(KERN_INFO "%s: Disconnect: "
2241 "Vers=%d,link_id=%d,Corr=%d\n",
2242 dev->name, p_ctlbk->version,
2243 p_ctlbk->linkid, p_ctlbk->correlator);
2244 if ((p_ctlbk->linkid == 2) &&
2245 (p_env->packing == PACK_SEND)) {
2246 privptr->active_link_ID = 1;
2247 p_env->packing = DO_PACKED;
2248 } else
2249 privptr->active_link_ID = 0;
2250 break;
2251 case CLAW_ERROR:
2252 printk(KERN_INFO "%s: CLAW ERROR detected\n",
2253 dev->name);
2254 break;
2255 default:
2256 printk(KERN_INFO "%s: Unexpected command code=%d \n",
2257 dev->name, p_ctlbk->command);
2258 break;
3069 } 2259 }
3070 2260
3071#ifdef FUNCTRACE
3072 printk(KERN_INFO "%s: %s() exit on line %d, rc = 0\n",
3073 dev->name,__func__,__LINE__);
3074#endif
3075
3076 return 0; 2261 return 0;
3077} /* end of claw_process_control */ 2262} /* end of claw_process_control */
3078 2263
@@ -3092,18 +2277,7 @@ claw_send_control(struct net_device *dev, __u8 type, __u8 link,
3092 struct conncmd *p_connect; 2277 struct conncmd *p_connect;
3093 struct sk_buff *skb; 2278 struct sk_buff *skb;
3094 2279
3095#ifdef FUNCTRACE 2280 CLAW_DBF_TEXT(2, setup, "sndcntl");
3096 printk(KERN_INFO "%s:%s > enter \n",dev->name,__func__);
3097#endif
3098 CLAW_DBF_TEXT(2,setup,"sndcntl");
3099#ifdef DEBUGMSG
3100 printk(KERN_INFO "%s: Sending Control Packet \n",dev->name);
3101 printk(KERN_INFO "%s: variable type = 0x%X, link = "
3102 "%d, correlator = %d, rc = %d\n",
3103 dev->name,type, link, correlator, rc);
3104 printk(KERN_INFO "%s: variable local_name = %s, "
3105 "remote_name = %s\n",dev->name, local_name, remote_name);
3106#endif
3107 privptr=dev->priv; 2281 privptr=dev->priv;
3108 p_ctl=(struct clawctl *)&privptr->ctl_bk; 2282 p_ctl=(struct clawctl *)&privptr->ctl_bk;
3109 2283
@@ -3125,7 +2299,7 @@ claw_send_control(struct net_device *dev, __u8 type, __u8 link,
3125 p_sysval->read_frame_size=DEF_PACK_BUFSIZE; 2299 p_sysval->read_frame_size=DEF_PACK_BUFSIZE;
3126 p_sysval->write_frame_size=DEF_PACK_BUFSIZE; 2300 p_sysval->write_frame_size=DEF_PACK_BUFSIZE;
3127 } else { 2301 } else {
3128 /* how big is the piggest group of packets */ 2302 /* how big is the biggest group of packets */
3129 p_sysval->read_frame_size=privptr->p_env->read_size; 2303 p_sysval->read_frame_size=privptr->p_env->read_size;
3130 p_sysval->write_frame_size=privptr->p_env->write_size; 2304 p_sysval->write_frame_size=privptr->p_env->write_size;
3131 } 2305 }
@@ -3155,29 +2329,14 @@ claw_send_control(struct net_device *dev, __u8 type, __u8 link,
3155 2329
3156 skb = dev_alloc_skb(sizeof(struct clawctl)); 2330 skb = dev_alloc_skb(sizeof(struct clawctl));
3157 if (!skb) { 2331 if (!skb) {
3158 printk( "%s:%s low on mem, returning...\n",
3159 dev->name,__func__);
3160#ifdef DEBUG
3161 printk(KERN_INFO "%s:%s Exit, rc = ENOMEM\n",
3162 dev->name,__func__);
3163#endif
3164 return -ENOMEM; 2332 return -ENOMEM;
3165 } 2333 }
3166 memcpy(skb_put(skb, sizeof(struct clawctl)), 2334 memcpy(skb_put(skb, sizeof(struct clawctl)),
3167 p_ctl, sizeof(struct clawctl)); 2335 p_ctl, sizeof(struct clawctl));
3168#ifdef IOTRACE
3169 printk(KERN_INFO "%s: outbnd claw cntl data \n",dev->name);
3170 dumpit((char *)p_ctl,sizeof(struct clawctl));
3171#endif
3172 if (privptr->p_env->packing >= PACK_SEND) 2336 if (privptr->p_env->packing >= PACK_SEND)
3173 claw_hw_tx(skb, dev, 1); 2337 claw_hw_tx(skb, dev, 1);
3174 else 2338 else
3175 claw_hw_tx(skb, dev, 0); 2339 claw_hw_tx(skb, dev, 0);
3176#ifdef FUNCTRACE
3177 printk(KERN_INFO "%s:%s Exit on line %d\n",
3178 dev->name,__func__,__LINE__);
3179#endif
3180
3181 return 0; 2340 return 0;
3182} /* end of claw_send_control */ 2341} /* end of claw_send_control */
3183 2342
@@ -3192,22 +2351,11 @@ claw_snd_conn_req(struct net_device *dev, __u8 link)
3192 struct claw_privbk *privptr=dev->priv; 2351 struct claw_privbk *privptr=dev->priv;
3193 struct clawctl *p_ctl; 2352 struct clawctl *p_ctl;
3194 2353
3195#ifdef FUNCTRACE 2354 CLAW_DBF_TEXT(2, setup, "snd_conn");
3196 printk(KERN_INFO "%s:%s Enter \n",dev->name,__func__);
3197#endif
3198 CLAW_DBF_TEXT(2,setup,"snd_conn");
3199#ifdef DEBUGMSG
3200 printk(KERN_INFO "%s: variable link = %X, dev =\n",dev->name, link);
3201 dumpit((char *) dev, sizeof(struct net_device));
3202#endif
3203 rc = 1; 2355 rc = 1;
3204 p_ctl=(struct clawctl *)&privptr->ctl_bk; 2356 p_ctl=(struct clawctl *)&privptr->ctl_bk;
3205 p_ctl->linkid = link; 2357 p_ctl->linkid = link;
3206 if ( privptr->system_validate_comp==0x00 ) { 2358 if ( privptr->system_validate_comp==0x00 ) {
3207#ifdef FUNCTRACE
3208 printk(KERN_INFO "%s:%s Exit on line %d, rc = 1\n",
3209 dev->name,__func__,__LINE__);
3210#endif
3211 return rc; 2359 return rc;
3212 } 2360 }
3213 if (privptr->p_env->packing == PACKING_ASK ) 2361 if (privptr->p_env->packing == PACKING_ASK )
@@ -3220,10 +2368,6 @@ claw_snd_conn_req(struct net_device *dev, __u8 link)
3220 if (privptr->p_env->packing == 0) 2368 if (privptr->p_env->packing == 0)
3221 rc=claw_send_control(dev, CONNECTION_REQUEST,0,0,0, 2369 rc=claw_send_control(dev, CONNECTION_REQUEST,0,0,0,
3222 HOST_APPL_NAME, privptr->p_env->api_type); 2370 HOST_APPL_NAME, privptr->p_env->api_type);
3223#ifdef FUNCTRACE
3224 printk(KERN_INFO "%s:%s Exit on line %d, rc = %d\n",
3225 dev->name,__func__,__LINE__, rc);
3226#endif
3227 return rc; 2371 return rc;
3228 2372
3229} /* end of claw_snd_conn_req */ 2373} /* end of claw_snd_conn_req */
@@ -3240,25 +2384,12 @@ claw_snd_disc(struct net_device *dev, struct clawctl * p_ctl)
3240 int rc; 2384 int rc;
3241 struct conncmd * p_connect; 2385 struct conncmd * p_connect;
3242 2386
3243#ifdef FUNCTRACE 2387 CLAW_DBF_TEXT(2, setup, "snd_dsc");
3244 printk(KERN_INFO "%s:%s Enter\n",dev->name,__func__);
3245#endif
3246 CLAW_DBF_TEXT(2,setup,"snd_dsc");
3247#ifdef DEBUGMSG
3248 printk(KERN_INFO "%s: variable dev =\n",dev->name);
3249 dumpit((char *) dev, sizeof(struct net_device));
3250 printk(KERN_INFO "%s: variable p_ctl",dev->name);
3251 dumpit((char *) p_ctl, sizeof(struct clawctl));
3252#endif
3253 p_connect=(struct conncmd *)&p_ctl->data; 2388 p_connect=(struct conncmd *)&p_ctl->data;
3254 2389
3255 rc=claw_send_control(dev, DISCONNECT, p_ctl->linkid, 2390 rc=claw_send_control(dev, DISCONNECT, p_ctl->linkid,
3256 p_ctl->correlator, 0, 2391 p_ctl->correlator, 0,
3257 p_connect->host_name, p_connect->WS_name); 2392 p_connect->host_name, p_connect->WS_name);
3258#ifdef FUNCTRACE
3259 printk(KERN_INFO "%s:%s Exit on line %d, rc = %d\n",
3260 dev->name,__func__, __LINE__, rc);
3261#endif
3262 return rc; 2393 return rc;
3263} /* end of claw_snd_disc */ 2394} /* end of claw_snd_disc */
3264 2395
@@ -3276,18 +2407,7 @@ claw_snd_sys_validate_rsp(struct net_device *dev,
3276 struct claw_privbk *privptr; 2407 struct claw_privbk *privptr;
3277 int rc; 2408 int rc;
3278 2409
3279#ifdef FUNCTRACE 2410 CLAW_DBF_TEXT(2, setup, "chkresp");
3280 printk(KERN_INFO "%s:%s Enter\n",
3281 dev->name,__func__);
3282#endif
3283 CLAW_DBF_TEXT(2,setup,"chkresp");
3284#ifdef DEBUGMSG
3285 printk(KERN_INFO "%s: variable return_code = %d, dev =\n",
3286 dev->name, return_code);
3287 dumpit((char *) dev, sizeof(struct net_device));
3288 printk(KERN_INFO "%s: variable p_ctl =\n",dev->name);
3289 dumpit((char *) p_ctl, sizeof(struct clawctl));
3290#endif
3291 privptr = dev->priv; 2411 privptr = dev->priv;
3292 p_env=privptr->p_env; 2412 p_env=privptr->p_env;
3293 rc=claw_send_control(dev, SYSTEM_VALIDATE_RESPONSE, 2413 rc=claw_send_control(dev, SYSTEM_VALIDATE_RESPONSE,
@@ -3296,10 +2416,6 @@ claw_snd_sys_validate_rsp(struct net_device *dev,
3296 return_code, 2416 return_code,
3297 p_env->host_name, 2417 p_env->host_name,
3298 p_env->adapter_name ); 2418 p_env->adapter_name );
3299#ifdef FUNCTRACE
3300 printk(KERN_INFO "%s:%s Exit on line %d, rc = %d\n",
3301 dev->name,__func__,__LINE__, rc);
3302#endif
3303 return rc; 2419 return rc;
3304} /* end of claw_snd_sys_validate_rsp */ 2420} /* end of claw_snd_sys_validate_rsp */
3305 2421
@@ -3313,19 +2429,8 @@ claw_strt_conn_req(struct net_device *dev )
3313{ 2429{
3314 int rc; 2430 int rc;
3315 2431
3316#ifdef FUNCTRACE 2432 CLAW_DBF_TEXT(2, setup, "conn_req");
3317 printk(KERN_INFO "%s:%s Enter\n",dev->name,__func__);
3318#endif
3319 CLAW_DBF_TEXT(2,setup,"conn_req");
3320#ifdef DEBUGMSG
3321 printk(KERN_INFO "%s: variable dev =\n",dev->name);
3322 dumpit((char *) dev, sizeof(struct net_device));
3323#endif
3324 rc=claw_snd_conn_req(dev, 1); 2433 rc=claw_snd_conn_req(dev, 1);
3325#ifdef FUNCTRACE
3326 printk(KERN_INFO "%s:%s Exit on line %d, rc = %d\n",
3327 dev->name,__func__,__LINE__, rc);
3328#endif
3329 return rc; 2434 return rc;
3330} /* end of claw_strt_conn_req */ 2435} /* end of claw_strt_conn_req */
3331 2436
@@ -3339,15 +2444,9 @@ static struct
3339net_device_stats *claw_stats(struct net_device *dev) 2444net_device_stats *claw_stats(struct net_device *dev)
3340{ 2445{
3341 struct claw_privbk *privptr; 2446 struct claw_privbk *privptr;
3342#ifdef FUNCTRACE 2447
3343 printk(KERN_INFO "%s:%s Enter\n",dev->name,__func__); 2448 CLAW_DBF_TEXT(4, trace, "stats");
3344#endif
3345 CLAW_DBF_TEXT(4,trace,"stats");
3346 privptr = dev->priv; 2449 privptr = dev->priv;
3347#ifdef FUNCTRACE
3348 printk(KERN_INFO "%s:%s Exit on line %d\n",
3349 dev->name,__func__,__LINE__);
3350#endif
3351 return &privptr->stats; 2450 return &privptr->stats;
3352} /* end of claw_stats */ 2451} /* end of claw_stats */
3353 2452
@@ -3368,36 +2467,28 @@ unpack_read(struct net_device *dev )
3368 struct clawph *p_packh; 2467 struct clawph *p_packh;
3369 void *p_packd; 2468 void *p_packd;
3370 struct clawctl *p_ctlrec=NULL; 2469 struct clawctl *p_ctlrec=NULL;
2470 struct device *p_dev;
3371 2471
3372 __u32 len_of_data; 2472 __u32 len_of_data;
3373 __u32 pack_off; 2473 __u32 pack_off;
3374 __u8 link_num; 2474 __u8 link_num;
3375 __u8 mtc_this_frm=0; 2475 __u8 mtc_this_frm=0;
3376 __u32 bytes_to_mov; 2476 __u32 bytes_to_mov;
3377 struct chbk *p_ch = NULL;
3378 int i=0; 2477 int i=0;
3379 int p=0; 2478 int p=0;
3380 2479
3381#ifdef FUNCTRACE 2480 CLAW_DBF_TEXT(4, trace, "unpkread");
3382 printk(KERN_INFO "%s:%s enter \n",dev->name,__func__);
3383#endif
3384 CLAW_DBF_TEXT(4,trace,"unpkread");
3385 p_first_ccw=NULL; 2481 p_first_ccw=NULL;
3386 p_last_ccw=NULL; 2482 p_last_ccw=NULL;
3387 p_packh=NULL; 2483 p_packh=NULL;
3388 p_packd=NULL; 2484 p_packd=NULL;
3389 privptr=dev->priv; 2485 privptr=dev->priv;
2486
2487 p_dev = &privptr->channel[READ].cdev->dev;
3390 p_env = privptr->p_env; 2488 p_env = privptr->p_env;
3391 p_this_ccw=privptr->p_read_active_first; 2489 p_this_ccw=privptr->p_read_active_first;
3392 i=0; 2490 i=0;
3393 while (p_this_ccw!=NULL && p_this_ccw->header.flag!=CLAW_PENDING) { 2491 while (p_this_ccw!=NULL && p_this_ccw->header.flag!=CLAW_PENDING) {
3394#ifdef IOTRACE
3395 printk(KERN_INFO "%s p_this_ccw \n",dev->name);
3396 dumpit((char*)p_this_ccw, sizeof(struct ccwbk));
3397 printk(KERN_INFO "%s Inbound p_this_ccw->p_buffer(64)"
3398 " pk=%d \n",dev->name,p_env->packing);
3399 dumpit((char *)p_this_ccw->p_buffer, 64 );
3400#endif
3401 pack_off = 0; 2492 pack_off = 0;
3402 p = 0; 2493 p = 0;
3403 p_this_ccw->header.flag=CLAW_PENDING; 2494 p_this_ccw->header.flag=CLAW_PENDING;
@@ -3419,10 +2510,6 @@ unpack_read(struct net_device *dev )
3419 else 2510 else
3420 link_num=p_this_ccw->header.opcode / 8; 2511 link_num=p_this_ccw->header.opcode / 8;
3421 if ((p_this_ccw->header.opcode & MORE_to_COME_FLAG)!=0) { 2512 if ((p_this_ccw->header.opcode & MORE_to_COME_FLAG)!=0) {
3422#ifdef DEBUGMSG
3423 printk(KERN_INFO "%s: %s > More_to_come is ON\n",
3424 dev->name,__func__);
3425#endif
3426 mtc_this_frm=1; 2513 mtc_this_frm=1;
3427 if (p_this_ccw->header.length!= 2514 if (p_this_ccw->header.length!=
3428 privptr->p_env->read_size ) { 2515 privptr->p_env->read_size ) {
@@ -3445,22 +2532,12 @@ unpack_read(struct net_device *dev )
3445 privptr->mtc_skipping=0; /* Ok, the end */ 2532 privptr->mtc_skipping=0; /* Ok, the end */
3446 privptr->mtc_logical_link=-1; 2533 privptr->mtc_logical_link=-1;
3447 } 2534 }
3448#ifdef DEBUGMSG
3449 printk(KERN_INFO "%s:%s goto next "
3450 "frame from MoretoComeSkip \n",
3451 dev->name,__func__);
3452#endif
3453 goto NextFrame; 2535 goto NextFrame;
3454 } 2536 }
3455 2537
3456 if (link_num==0) { 2538 if (link_num==0) {
3457 claw_process_control(dev, p_this_ccw); 2539 claw_process_control(dev, p_this_ccw);
3458#ifdef DEBUGMSG 2540 CLAW_DBF_TEXT(4, trace, "UnpkCntl");
3459 printk(KERN_INFO "%s:%s goto next "
3460 "frame from claw_process_control \n",
3461 dev->name,__func__);
3462#endif
3463 CLAW_DBF_TEXT(4,trace,"UnpkCntl");
3464 goto NextFrame; 2541 goto NextFrame;
3465 } 2542 }
3466unpack_next: 2543unpack_next:
@@ -3479,10 +2556,6 @@ unpack_next:
3479 bytes_to_mov=p_this_ccw->header.length; 2556 bytes_to_mov=p_this_ccw->header.length;
3480 } 2557 }
3481 if (privptr->mtc_logical_link<0) { 2558 if (privptr->mtc_logical_link<0) {
3482#ifdef DEBUGMSG
3483 printk(KERN_INFO "%s: %s mtc_logical_link < 0 \n",
3484 dev->name,__func__);
3485#endif
3486 2559
3487 /* 2560 /*
3488 * if More-To-Come is set in this frame then we don't know 2561 * if More-To-Come is set in this frame then we don't know
@@ -3496,15 +2569,6 @@ unpack_next:
3496 2569
3497 if (bytes_to_mov > (MAX_ENVELOPE_SIZE- privptr->mtc_offset) ) { 2570 if (bytes_to_mov > (MAX_ENVELOPE_SIZE- privptr->mtc_offset) ) {
3498 /* error */ 2571 /* error */
3499#ifdef DEBUGMSG
3500 printk(KERN_INFO "%s: %s > goto next "
3501 "frame from MoretoComeSkip \n",
3502 dev->name,
3503 __func__);
3504 printk(KERN_INFO " bytes_to_mov %d > (MAX_ENVELOPE_"
3505 "SIZE-privptr->mtc_offset %d)\n",
3506 bytes_to_mov,(MAX_ENVELOPE_SIZE- privptr->mtc_offset));
3507#endif
3508 privptr->stats.rx_frame_errors++; 2572 privptr->stats.rx_frame_errors++;
3509 goto NextFrame; 2573 goto NextFrame;
3510 } 2574 }
@@ -3516,16 +2580,6 @@ unpack_next:
3516 memcpy( privptr->p_mtc_envelope+ privptr->mtc_offset, 2580 memcpy( privptr->p_mtc_envelope+ privptr->mtc_offset,
3517 p_this_ccw->p_buffer, bytes_to_mov); 2581 p_this_ccw->p_buffer, bytes_to_mov);
3518 } 2582 }
3519#ifdef DEBUGMSG
3520 printk(KERN_INFO "%s: %s() received data \n",
3521 dev->name,__func__);
3522 if (p_env->packing == DO_PACKED)
3523 dumpit((char *)p_packd+sizeof(struct clawph),32);
3524 else
3525 dumpit((char *)p_this_ccw->p_buffer, 32);
3526 printk(KERN_INFO "%s: %s() bytelength %d \n",
3527 dev->name,__func__,bytes_to_mov);
3528#endif
3529 if (mtc_this_frm==0) { 2583 if (mtc_this_frm==0) {
3530 len_of_data=privptr->mtc_offset+bytes_to_mov; 2584 len_of_data=privptr->mtc_offset+bytes_to_mov;
3531 skb=dev_alloc_skb(len_of_data); 2585 skb=dev_alloc_skb(len_of_data);
@@ -3540,11 +2594,6 @@ unpack_next:
3540 privptr->stats.rx_packets++; 2594 privptr->stats.rx_packets++;
3541 privptr->stats.rx_bytes+=len_of_data; 2595 privptr->stats.rx_bytes+=len_of_data;
3542 netif_rx(skb); 2596 netif_rx(skb);
3543#ifdef DEBUGMSG
3544 printk(KERN_INFO "%s: %s() netif_"
3545 "rx(skb) completed \n",
3546 dev->name,__func__);
3547#endif
3548 } 2597 }
3549 else { 2598 else {
3550 privptr->stats.rx_dropped++; 2599 privptr->stats.rx_dropped++;
@@ -3581,28 +2630,14 @@ NextFrame:
3581 * chain to next block on active read queue 2630 * chain to next block on active read queue
3582 */ 2631 */
3583 p_this_ccw = privptr->p_read_active_first; 2632 p_this_ccw = privptr->p_read_active_first;
3584 CLAW_DBF_TEXT_(4,trace,"rxpkt %d",p); 2633 CLAW_DBF_TEXT_(4, trace, "rxpkt %d", p);
3585 } /* end of while */ 2634 } /* end of while */
3586 2635
3587 /* check validity */ 2636 /* check validity */
3588 2637
3589#ifdef IOTRACE 2638 CLAW_DBF_TEXT_(4, trace, "rxfrm %d", i);
3590 printk(KERN_INFO "%s:%s processed frame is %d \n",
3591 dev->name,__func__,i);
3592 printk(KERN_INFO "%s:%s F:%lx L:%lx\n",
3593 dev->name,
3594 __func__,
3595 (unsigned long)p_first_ccw,
3596 (unsigned long)p_last_ccw);
3597#endif
3598 CLAW_DBF_TEXT_(4,trace,"rxfrm %d",i);
3599 add_claw_reads(dev, p_first_ccw, p_last_ccw); 2639 add_claw_reads(dev, p_first_ccw, p_last_ccw);
3600 p_ch=&privptr->channel[READ];
3601 claw_strt_read(dev, LOCK_YES); 2640 claw_strt_read(dev, LOCK_YES);
3602#ifdef FUNCTRACE
3603 printk(KERN_INFO "%s: %s exit on line %d\n",
3604 dev->name, __func__, __LINE__);
3605#endif
3606 return; 2641 return;
3607} /* end of unpack_read */ 2642} /* end of unpack_read */
3608 2643
@@ -3622,12 +2657,7 @@ claw_strt_read (struct net_device *dev, int lock )
3622 struct clawh *p_clawh; 2657 struct clawh *p_clawh;
3623 p_ch=&privptr->channel[READ]; 2658 p_ch=&privptr->channel[READ];
3624 2659
3625#ifdef FUNCTRACE 2660 CLAW_DBF_TEXT(4, trace, "StRdNter");
3626 printk(KERN_INFO "%s:%s Enter \n",dev->name,__func__);
3627 printk(KERN_INFO "%s: variable lock = %d, dev =\n",dev->name, lock);
3628 dumpit((char *) dev, sizeof(struct net_device));
3629#endif
3630 CLAW_DBF_TEXT(4,trace,"StRdNter");
3631 p_clawh=(struct clawh *)privptr->p_claw_signal_blk; 2661 p_clawh=(struct clawh *)privptr->p_claw_signal_blk;
3632 p_clawh->flag=CLAW_IDLE; /* 0x00 */ 2662 p_clawh->flag=CLAW_IDLE; /* 0x00 */
3633 2663
@@ -3637,21 +2667,11 @@ claw_strt_read (struct net_device *dev, int lock )
3637 privptr->p_read_active_first->header.flag!=CLAW_PENDING )) { 2667 privptr->p_read_active_first->header.flag!=CLAW_PENDING )) {
3638 p_clawh->flag=CLAW_BUSY; /* 0xff */ 2668 p_clawh->flag=CLAW_BUSY; /* 0xff */
3639 } 2669 }
3640#ifdef DEBUGMSG
3641 printk(KERN_INFO "%s:%s state-%02x\n" ,
3642 dev->name,__func__, p_ch->claw_state);
3643#endif
3644 if (lock==LOCK_YES) { 2670 if (lock==LOCK_YES) {
3645 spin_lock_irqsave(get_ccwdev_lock(p_ch->cdev), saveflags); 2671 spin_lock_irqsave(get_ccwdev_lock(p_ch->cdev), saveflags);
3646 } 2672 }
3647 if (test_and_set_bit(0, (void *)&p_ch->IO_active) == 0) { 2673 if (test_and_set_bit(0, (void *)&p_ch->IO_active) == 0) {
3648#ifdef DEBUGMSG 2674 CLAW_DBF_TEXT(4, trace, "HotRead");
3649 printk(KERN_INFO "%s: HOT READ started in %s\n" ,
3650 dev->name,__func__);
3651 p_clawh=(struct clawh *)privptr->p_claw_signal_blk;
3652 dumpit((char *)&p_clawh->flag , 1);
3653#endif
3654 CLAW_DBF_TEXT(4,trace,"HotRead");
3655 p_ccwbk=privptr->p_read_active_first; 2675 p_ccwbk=privptr->p_read_active_first;
3656 parm = (unsigned long) p_ch; 2676 parm = (unsigned long) p_ch;
3657 rc = ccw_device_start (p_ch->cdev, &p_ccwbk->read, parm, 2677 rc = ccw_device_start (p_ch->cdev, &p_ccwbk->read, parm,
@@ -3661,21 +2681,13 @@ claw_strt_read (struct net_device *dev, int lock )
3661 } 2681 }
3662 } 2682 }
3663 else { 2683 else {
3664#ifdef DEBUGMSG 2684 CLAW_DBF_TEXT(2, trace, "ReadAct");
3665 printk(KERN_INFO "%s: No READ started by %s() In progress\n" ,
3666 dev->name,__func__);
3667#endif
3668 CLAW_DBF_TEXT(2,trace,"ReadAct");
3669 } 2685 }
3670 2686
3671 if (lock==LOCK_YES) { 2687 if (lock==LOCK_YES) {
3672 spin_unlock_irqrestore(get_ccwdev_lock(p_ch->cdev), saveflags); 2688 spin_unlock_irqrestore(get_ccwdev_lock(p_ch->cdev), saveflags);
3673 } 2689 }
3674#ifdef FUNCTRACE 2690 CLAW_DBF_TEXT(4, trace, "StRdExit");
3675 printk(KERN_INFO "%s:%s Exit on line %d\n",
3676 dev->name,__func__,__LINE__);
3677#endif
3678 CLAW_DBF_TEXT(4,trace,"StRdExit");
3679 return; 2691 return;
3680} /* end of claw_strt_read */ 2692} /* end of claw_strt_read */
3681 2693
@@ -3693,38 +2705,23 @@ claw_strt_out_IO( struct net_device *dev )
3693 struct chbk *p_ch; 2705 struct chbk *p_ch;
3694 struct ccwbk *p_first_ccw; 2706 struct ccwbk *p_first_ccw;
3695 2707
3696#ifdef FUNCTRACE
3697 printk(KERN_INFO "%s:%s Enter\n",dev->name,__func__);
3698#endif
3699 if (!dev) { 2708 if (!dev) {
3700 return; 2709 return;
3701 } 2710 }
3702 privptr=(struct claw_privbk *)dev->priv; 2711 privptr=(struct claw_privbk *)dev->priv;
3703 p_ch=&privptr->channel[WRITE]; 2712 p_ch=&privptr->channel[WRITE];
3704 2713
3705#ifdef DEBUGMSG 2714 CLAW_DBF_TEXT(4, trace, "strt_io");
3706 printk(KERN_INFO "%s:%s state-%02x\n" ,
3707 dev->name,__func__,p_ch->claw_state);
3708#endif
3709 CLAW_DBF_TEXT(4,trace,"strt_io");
3710 p_first_ccw=privptr->p_write_active_first; 2715 p_first_ccw=privptr->p_write_active_first;
3711 2716
3712 if (p_ch->claw_state == CLAW_STOP) 2717 if (p_ch->claw_state == CLAW_STOP)
3713 return; 2718 return;
3714 if (p_first_ccw == NULL) { 2719 if (p_first_ccw == NULL) {
3715#ifdef FUNCTRACE
3716 printk(KERN_INFO "%s:%s Exit on line %d\n",
3717 dev->name,__func__,__LINE__);
3718#endif
3719 return; 2720 return;
3720 } 2721 }
3721 if (test_and_set_bit(0, (void *)&p_ch->IO_active) == 0) { 2722 if (test_and_set_bit(0, (void *)&p_ch->IO_active) == 0) {
3722 parm = (unsigned long) p_ch; 2723 parm = (unsigned long) p_ch;
3723#ifdef DEBUGMSG 2724 CLAW_DBF_TEXT(2, trace, "StWrtIO");
3724 printk(KERN_INFO "%s:%s do_io \n" ,dev->name,__func__);
3725 dumpit((char *)p_first_ccw, sizeof(struct ccwbk));
3726#endif
3727 CLAW_DBF_TEXT(2,trace,"StWrtIO");
3728 rc = ccw_device_start (p_ch->cdev,&p_first_ccw->write, parm, 2725 rc = ccw_device_start (p_ch->cdev,&p_first_ccw->write, parm,
3729 0xff, 0); 2726 0xff, 0);
3730 if (rc != 0) { 2727 if (rc != 0) {
@@ -3732,11 +2729,6 @@ claw_strt_out_IO( struct net_device *dev )
3732 } 2729 }
3733 } 2730 }
3734 dev->trans_start = jiffies; 2731 dev->trans_start = jiffies;
3735#ifdef FUNCTRACE
3736 printk(KERN_INFO "%s:%s Exit on line %d\n",
3737 dev->name,__func__,__LINE__);
3738#endif
3739
3740 return; 2732 return;
3741} /* end of claw_strt_out_IO */ 2733} /* end of claw_strt_out_IO */
3742 2734
@@ -3754,32 +2746,11 @@ claw_free_wrt_buf( struct net_device *dev )
3754 struct ccwbk*p_last_ccw; 2746 struct ccwbk*p_last_ccw;
3755 struct ccwbk*p_this_ccw; 2747 struct ccwbk*p_this_ccw;
3756 struct ccwbk*p_next_ccw; 2748 struct ccwbk*p_next_ccw;
3757#ifdef IOTRACE 2749
3758 struct ccwbk*p_buf; 2750 CLAW_DBF_TEXT(4, trace, "freewrtb");
3759#endif
3760#ifdef FUNCTRACE
3761 printk(KERN_INFO "%s:%s Enter\n",dev->name,__func__);
3762 printk(KERN_INFO "%s: free count = %d variable dev =\n",
3763 dev->name,privptr->write_free_count);
3764#endif
3765 CLAW_DBF_TEXT(4,trace,"freewrtb");
3766 /* scan the write queue to free any completed write packets */ 2751 /* scan the write queue to free any completed write packets */
3767 p_first_ccw=NULL; 2752 p_first_ccw=NULL;
3768 p_last_ccw=NULL; 2753 p_last_ccw=NULL;
3769#ifdef IOTRACE
3770 printk(KERN_INFO "%s: Dump current CCW chain \n",dev->name );
3771 p_buf=privptr->p_write_active_first;
3772 while (p_buf!=NULL) {
3773 dumpit((char *)p_buf, sizeof(struct ccwbk));
3774 p_buf=p_buf->next;
3775 }
3776 if (p_buf==NULL) {
3777 printk(KERN_INFO "%s: privptr->p_write_"
3778 "active_first==NULL\n",dev->name );
3779 }
3780 p_buf=(struct ccwbk*)privptr->p_end_ccw;
3781 dumpit((char *)p_buf, sizeof(struct endccw));
3782#endif
3783 p_this_ccw=privptr->p_write_active_first; 2754 p_this_ccw=privptr->p_write_active_first;
3784 while ( (p_this_ccw!=NULL) && (p_this_ccw->header.flag!=CLAW_PENDING)) 2755 while ( (p_this_ccw!=NULL) && (p_this_ccw->header.flag!=CLAW_PENDING))
3785 { 2756 {
@@ -3809,31 +2780,8 @@ claw_free_wrt_buf( struct net_device *dev )
3809 /* whole chain removed? */ 2780 /* whole chain removed? */
3810 if (privptr->p_write_active_first==NULL) { 2781 if (privptr->p_write_active_first==NULL) {
3811 privptr->p_write_active_last=NULL; 2782 privptr->p_write_active_last=NULL;
3812#ifdef DEBUGMSG
3813 printk(KERN_INFO "%s:%s p_write_"
3814 "active_first==NULL\n",dev->name,__func__);
3815#endif
3816 }
3817#ifdef IOTRACE
3818 printk(KERN_INFO "%s: Dump arranged CCW chain \n",dev->name );
3819 p_buf=privptr->p_write_active_first;
3820 while (p_buf!=NULL) {
3821 dumpit((char *)p_buf, sizeof(struct ccwbk));
3822 p_buf=p_buf->next;
3823 } 2783 }
3824 if (p_buf==NULL) { 2784 CLAW_DBF_TEXT_(4, trace, "FWC=%d", privptr->write_free_count);
3825 printk(KERN_INFO "%s: privptr->p_write_active_"
3826 "first==NULL\n",dev->name );
3827 }
3828 p_buf=(struct ccwbk*)privptr->p_end_ccw;
3829 dumpit((char *)p_buf, sizeof(struct endccw));
3830#endif
3831
3832 CLAW_DBF_TEXT_(4,trace,"FWC=%d",privptr->write_free_count);
3833#ifdef FUNCTRACE
3834 printk(KERN_INFO "%s:%s Exit on line %d free_count =%d\n",
3835 dev->name,__func__, __LINE__,privptr->write_free_count);
3836#endif
3837 return; 2785 return;
3838} 2786}
3839 2787
@@ -3845,14 +2793,11 @@ static void
3845claw_free_netdevice(struct net_device * dev, int free_dev) 2793claw_free_netdevice(struct net_device * dev, int free_dev)
3846{ 2794{
3847 struct claw_privbk *privptr; 2795 struct claw_privbk *privptr;
3848#ifdef FUNCTRACE
3849 printk(KERN_INFO "%s:%s Enter\n",dev->name,__func__);
3850#endif
3851 CLAW_DBF_TEXT(2,setup,"free_dev");
3852 2796
2797 CLAW_DBF_TEXT(2, setup, "free_dev");
3853 if (!dev) 2798 if (!dev)
3854 return; 2799 return;
3855 CLAW_DBF_TEXT_(2,setup,"%s",dev->name); 2800 CLAW_DBF_TEXT_(2, setup, "%s", dev->name);
3856 privptr = dev->priv; 2801 privptr = dev->priv;
3857 if (dev->flags & IFF_RUNNING) 2802 if (dev->flags & IFF_RUNNING)
3858 claw_release(dev); 2803 claw_release(dev);
@@ -3865,10 +2810,7 @@ claw_free_netdevice(struct net_device * dev, int free_dev)
3865 free_netdev(dev); 2810 free_netdev(dev);
3866 } 2811 }
3867#endif 2812#endif
3868 CLAW_DBF_TEXT(2,setup,"feee_ok"); 2813 CLAW_DBF_TEXT(2, setup, "free_ok");
3869#ifdef FUNCTRACE
3870 printk(KERN_INFO "%s:%s Exit\n",dev->name,__func__);
3871#endif
3872} 2814}
3873 2815
3874/** 2816/**
@@ -3879,17 +2821,8 @@ claw_free_netdevice(struct net_device * dev, int free_dev)
3879static void 2821static void
3880claw_init_netdevice(struct net_device * dev) 2822claw_init_netdevice(struct net_device * dev)
3881{ 2823{
3882#ifdef FUNCTRACE 2824 CLAW_DBF_TEXT(2, setup, "init_dev");
3883 printk(KERN_INFO "%s:%s Enter\n",dev->name,__func__); 2825 CLAW_DBF_TEXT_(2, setup, "%s", dev->name);
3884#endif
3885 CLAW_DBF_TEXT(2,setup,"init_dev");
3886 CLAW_DBF_TEXT_(2,setup,"%s",dev->name);
3887 if (!dev) {
3888 printk(KERN_WARNING "claw:%s BAD Device exit line %d\n",
3889 __func__,__LINE__);
3890 CLAW_DBF_TEXT(2,setup,"baddev");
3891 return;
3892 }
3893 dev->mtu = CLAW_DEFAULT_MTU_SIZE; 2826 dev->mtu = CLAW_DEFAULT_MTU_SIZE;
3894 dev->hard_start_xmit = claw_tx; 2827 dev->hard_start_xmit = claw_tx;
3895 dev->open = claw_open; 2828 dev->open = claw_open;
@@ -3901,10 +2834,7 @@ claw_init_netdevice(struct net_device * dev)
3901 dev->type = ARPHRD_SLIP; 2834 dev->type = ARPHRD_SLIP;
3902 dev->tx_queue_len = 1300; 2835 dev->tx_queue_len = 1300;
3903 dev->flags = IFF_POINTOPOINT | IFF_NOARP; 2836 dev->flags = IFF_POINTOPOINT | IFF_NOARP;
3904#ifdef FUNCTRACE 2837 CLAW_DBF_TEXT(2, setup, "initok");
3905 printk(KERN_INFO "%s:%s Exit\n",dev->name,__func__);
3906#endif
3907 CLAW_DBF_TEXT(2,setup,"initok");
3908 return; 2838 return;
3909} 2839}
3910 2840
@@ -3921,10 +2851,7 @@ add_channel(struct ccw_device *cdev,int i,struct claw_privbk *privptr)
3921 struct chbk *p_ch; 2851 struct chbk *p_ch;
3922 struct ccw_dev_id dev_id; 2852 struct ccw_dev_id dev_id;
3923 2853
3924#ifdef FUNCTRACE 2854 CLAW_DBF_TEXT_(2, setup, "%s", cdev->dev.bus_id);
3925 printk(KERN_INFO "%s:%s Enter\n",cdev->dev.bus_id,__func__);
3926#endif
3927 CLAW_DBF_TEXT_(2,setup,"%s",cdev->dev.bus_id);
3928 privptr->channel[i].flag = i+1; /* Read is 1 Write is 2 */ 2855 privptr->channel[i].flag = i+1; /* Read is 1 Write is 2 */
3929 p_ch = &privptr->channel[i]; 2856 p_ch = &privptr->channel[i];
3930 p_ch->cdev = cdev; 2857 p_ch->cdev = cdev;
@@ -3932,18 +2859,8 @@ add_channel(struct ccw_device *cdev,int i,struct claw_privbk *privptr)
3932 ccw_device_get_id(cdev, &dev_id); 2859 ccw_device_get_id(cdev, &dev_id);
3933 p_ch->devno = dev_id.devno; 2860 p_ch->devno = dev_id.devno;
3934 if ((p_ch->irb = kzalloc(sizeof (struct irb),GFP_KERNEL)) == NULL) { 2861 if ((p_ch->irb = kzalloc(sizeof (struct irb),GFP_KERNEL)) == NULL) {
3935 printk(KERN_WARNING "%s Out of memory in %s for irb\n",
3936 p_ch->id,__func__);
3937#ifdef FUNCTRACE
3938 printk(KERN_INFO "%s:%s Exit on line %d\n",
3939 p_ch->id,__func__,__LINE__);
3940#endif
3941 return -ENOMEM; 2862 return -ENOMEM;
3942 } 2863 }
3943#ifdef FUNCTRACE
3944 printk(KERN_INFO "%s:%s Exit on line %d\n",
3945 cdev->dev.bus_id,__func__,__LINE__);
3946#endif
3947 return 0; 2864 return 0;
3948} 2865}
3949 2866
@@ -3965,9 +2882,8 @@ claw_new_device(struct ccwgroup_device *cgdev)
3965 int ret; 2882 int ret;
3966 struct ccw_dev_id dev_id; 2883 struct ccw_dev_id dev_id;
3967 2884
3968 pr_debug("%s() called\n", __func__);
3969 printk(KERN_INFO "claw: add for %s\n",cgdev->cdev[READ]->dev.bus_id); 2885 printk(KERN_INFO "claw: add for %s\n",cgdev->cdev[READ]->dev.bus_id);
3970 CLAW_DBF_TEXT(2,setup,"new_dev"); 2886 CLAW_DBF_TEXT(2, setup, "new_dev");
3971 privptr = cgdev->dev.driver_data; 2887 privptr = cgdev->dev.driver_data;
3972 cgdev->cdev[READ]->dev.driver_data = privptr; 2888 cgdev->cdev[READ]->dev.driver_data = privptr;
3973 cgdev->cdev[WRITE]->dev.driver_data = privptr; 2889 cgdev->cdev[WRITE]->dev.driver_data = privptr;
@@ -3982,22 +2898,21 @@ claw_new_device(struct ccwgroup_device *cgdev)
3982 if (ret == 0) 2898 if (ret == 0)
3983 ret = add_channel(cgdev->cdev[1],1,privptr); 2899 ret = add_channel(cgdev->cdev[1],1,privptr);
3984 if (ret != 0) { 2900 if (ret != 0) {
3985 printk(KERN_WARNING 2901 printk(KERN_WARNING
3986 "add channel failed " 2902 "add channel failed with ret = %d\n", ret);
3987 "with ret = %d\n", ret); 2903 goto out;
3988 goto out;
3989 } 2904 }
3990 ret = ccw_device_set_online(cgdev->cdev[READ]); 2905 ret = ccw_device_set_online(cgdev->cdev[READ]);
3991 if (ret != 0) { 2906 if (ret != 0) {
3992 printk(KERN_WARNING 2907 printk(KERN_WARNING
3993 "claw: ccw_device_set_online %s READ failed " 2908 "claw: ccw_device_set_online %s READ failed "
3994 "with ret = %d\n",cgdev->cdev[READ]->dev.bus_id,ret); 2909 "with ret = %d\n",cgdev->cdev[READ]->dev.bus_id,ret);
3995 goto out; 2910 goto out;
3996 } 2911 }
3997 ret = ccw_device_set_online(cgdev->cdev[WRITE]); 2912 ret = ccw_device_set_online(cgdev->cdev[WRITE]);
3998 if (ret != 0) { 2913 if (ret != 0) {
3999 printk(KERN_WARNING 2914 printk(KERN_WARNING
4000 "claw: ccw_device_set_online %s WRITE failed " 2915 "claw: ccw_device_set_online %s WRITE failed "
4001 "with ret = %d\n",cgdev->cdev[WRITE]->dev.bus_id, ret); 2916 "with ret = %d\n",cgdev->cdev[WRITE]->dev.bus_id, ret);
4002 goto out; 2917 goto out;
4003 } 2918 }
@@ -4014,18 +2929,16 @@ claw_new_device(struct ccwgroup_device *cgdev)
4014 SET_NETDEV_DEV(dev, &cgdev->dev); 2929 SET_NETDEV_DEV(dev, &cgdev->dev);
4015 if (register_netdev(dev) != 0) { 2930 if (register_netdev(dev) != 0) {
4016 claw_free_netdevice(dev, 1); 2931 claw_free_netdevice(dev, 1);
4017 CLAW_DBF_TEXT(2,trace,"regfail"); 2932 CLAW_DBF_TEXT(2, trace, "regfail");
4018 goto out; 2933 goto out;
4019 } 2934 }
4020 dev->flags &=~IFF_RUNNING; 2935 dev->flags &=~IFF_RUNNING;
4021 if (privptr->buffs_alloc == 0) { 2936 if (privptr->buffs_alloc == 0) {
4022 ret=init_ccw_bk(dev); 2937 ret=init_ccw_bk(dev);
4023 if (ret !=0) { 2938 if (ret !=0) {
4024 printk(KERN_WARNING
4025 "claw: init_ccw_bk failed with ret=%d\n", ret);
4026 unregister_netdev(dev); 2939 unregister_netdev(dev);
4027 claw_free_netdevice(dev,1); 2940 claw_free_netdevice(dev,1);
4028 CLAW_DBF_TEXT(2,trace,"ccwmem"); 2941 CLAW_DBF_TEXT(2, trace, "ccwmem");
4029 goto out; 2942 goto out;
4030 } 2943 }
4031 } 2944 }
@@ -4047,7 +2960,6 @@ claw_new_device(struct ccwgroup_device *cgdev)
4047out: 2960out:
4048 ccw_device_set_offline(cgdev->cdev[1]); 2961 ccw_device_set_offline(cgdev->cdev[1]);
4049 ccw_device_set_offline(cgdev->cdev[0]); 2962 ccw_device_set_offline(cgdev->cdev[0]);
4050
4051 return -ENODEV; 2963 return -ENODEV;
4052} 2964}
4053 2965
@@ -4056,8 +2968,7 @@ claw_purge_skb_queue(struct sk_buff_head *q)
4056{ 2968{
4057 struct sk_buff *skb; 2969 struct sk_buff *skb;
4058 2970
4059 CLAW_DBF_TEXT(4,trace,"purgque"); 2971 CLAW_DBF_TEXT(4, trace, "purgque");
4060
4061 while ((skb = skb_dequeue(q))) { 2972 while ((skb = skb_dequeue(q))) {
4062 atomic_dec(&skb->users); 2973 atomic_dec(&skb->users);
4063 dev_kfree_skb_any(skb); 2974 dev_kfree_skb_any(skb);
@@ -4078,8 +2989,7 @@ claw_shutdown_device(struct ccwgroup_device *cgdev)
4078 struct net_device *ndev; 2989 struct net_device *ndev;
4079 int ret; 2990 int ret;
4080 2991
4081 pr_debug("%s() called\n", __func__); 2992 CLAW_DBF_TEXT_(2, setup, "%s", cgdev->dev.bus_id);
4082 CLAW_DBF_TEXT_(2,setup,"%s",cgdev->dev.bus_id);
4083 priv = cgdev->dev.driver_data; 2993 priv = cgdev->dev.driver_data;
4084 if (!priv) 2994 if (!priv)
4085 return -ENODEV; 2995 return -ENODEV;
@@ -4108,13 +3018,10 @@ claw_remove_device(struct ccwgroup_device *cgdev)
4108{ 3018{
4109 struct claw_privbk *priv; 3019 struct claw_privbk *priv;
4110 3020
4111 pr_debug("%s() called\n", __func__); 3021 BUG_ON(!cgdev);
4112 CLAW_DBF_TEXT_(2,setup,"%s",cgdev->dev.bus_id); 3022 CLAW_DBF_TEXT_(2, setup, "%s", cgdev->dev.bus_id);
4113 priv = cgdev->dev.driver_data; 3023 priv = cgdev->dev.driver_data;
4114 if (!priv) { 3024 BUG_ON(!priv);
4115 printk(KERN_WARNING "claw: %s() no Priv exiting\n",__func__);
4116 return;
4117 }
4118 printk(KERN_INFO "claw: %s() called %s will be removed.\n", 3025 printk(KERN_INFO "claw: %s() called %s will be removed.\n",
4119 __func__,cgdev->cdev[0]->dev.bus_id); 3026 __func__,cgdev->cdev[0]->dev.bus_id);
4120 if (cgdev->state == CCWGROUP_ONLINE) 3027 if (cgdev->state == CCWGROUP_ONLINE)
@@ -4133,6 +3040,8 @@ claw_remove_device(struct ccwgroup_device *cgdev)
4133 cgdev->cdev[READ]->dev.driver_data = NULL; 3040 cgdev->cdev[READ]->dev.driver_data = NULL;
4134 cgdev->cdev[WRITE]->dev.driver_data = NULL; 3041 cgdev->cdev[WRITE]->dev.driver_data = NULL;
4135 put_device(&cgdev->dev); 3042 put_device(&cgdev->dev);
3043
3044 return;
4136} 3045}
4137 3046
4138 3047
@@ -4168,8 +3077,8 @@ claw_hname_write(struct device *dev, struct device_attribute *attr, const char *
4168 strncpy(p_env->host_name,buf, count); 3077 strncpy(p_env->host_name,buf, count);
4169 p_env->host_name[count-1] = 0x20; /* clear extra 0x0a */ 3078 p_env->host_name[count-1] = 0x20; /* clear extra 0x0a */
4170 p_env->host_name[MAX_NAME_LEN] = 0x00; 3079 p_env->host_name[MAX_NAME_LEN] = 0x00;
4171 CLAW_DBF_TEXT(2,setup,"HstnSet"); 3080 CLAW_DBF_TEXT(2, setup, "HstnSet");
4172 CLAW_DBF_TEXT_(2,setup,"%s",p_env->host_name); 3081 CLAW_DBF_TEXT_(2, setup, "%s", p_env->host_name);
4173 3082
4174 return count; 3083 return count;
4175} 3084}
@@ -4186,7 +3095,7 @@ claw_adname_show(struct device *dev, struct device_attribute *attr, char *buf)
4186 if (!priv) 3095 if (!priv)
4187 return -ENODEV; 3096 return -ENODEV;
4188 p_env = priv->p_env; 3097 p_env = priv->p_env;
4189 return sprintf(buf, "%s\n",p_env->adapter_name); 3098 return sprintf(buf, "%s\n", p_env->adapter_name);
4190} 3099}
4191 3100
4192static ssize_t 3101static ssize_t
@@ -4205,8 +3114,8 @@ claw_adname_write(struct device *dev, struct device_attribute *attr, const char
4205 strncpy(p_env->adapter_name,buf, count); 3114 strncpy(p_env->adapter_name,buf, count);
4206 p_env->adapter_name[count-1] = 0x20; /* clear extra 0x0a */ 3115 p_env->adapter_name[count-1] = 0x20; /* clear extra 0x0a */
4207 p_env->adapter_name[MAX_NAME_LEN] = 0x00; 3116 p_env->adapter_name[MAX_NAME_LEN] = 0x00;
4208 CLAW_DBF_TEXT(2,setup,"AdnSet"); 3117 CLAW_DBF_TEXT(2, setup, "AdnSet");
4209 CLAW_DBF_TEXT_(2,setup,"%s",p_env->adapter_name); 3118 CLAW_DBF_TEXT_(2, setup, "%s", p_env->adapter_name);
4210 3119
4211 return count; 3120 return count;
4212} 3121}
@@ -4247,15 +3156,15 @@ claw_apname_write(struct device *dev, struct device_attribute *attr, const char
4247 p_env->read_size=DEF_PACK_BUFSIZE; 3156 p_env->read_size=DEF_PACK_BUFSIZE;
4248 p_env->write_size=DEF_PACK_BUFSIZE; 3157 p_env->write_size=DEF_PACK_BUFSIZE;
4249 p_env->packing=PACKING_ASK; 3158 p_env->packing=PACKING_ASK;
4250 CLAW_DBF_TEXT(2,setup,"PACKING"); 3159 CLAW_DBF_TEXT(2, setup, "PACKING");
4251 } 3160 }
4252 else { 3161 else {
4253 p_env->packing=0; 3162 p_env->packing=0;
4254 p_env->read_size=CLAW_FRAME_SIZE; 3163 p_env->read_size=CLAW_FRAME_SIZE;
4255 p_env->write_size=CLAW_FRAME_SIZE; 3164 p_env->write_size=CLAW_FRAME_SIZE;
4256 CLAW_DBF_TEXT(2,setup,"ApiSet"); 3165 CLAW_DBF_TEXT(2, setup, "ApiSet");
4257 } 3166 }
4258 CLAW_DBF_TEXT_(2,setup,"%s",p_env->api_type); 3167 CLAW_DBF_TEXT_(2, setup, "%s", p_env->api_type);
4259 return count; 3168 return count;
4260} 3169}
4261 3170
@@ -4295,8 +3204,8 @@ claw_wbuff_write(struct device *dev, struct device_attribute *attr, const char *
4295 if ((nnn > max ) || (nnn < 2)) 3204 if ((nnn > max ) || (nnn < 2))
4296 return -EINVAL; 3205 return -EINVAL;
4297 p_env->write_buffers = nnn; 3206 p_env->write_buffers = nnn;
4298 CLAW_DBF_TEXT(2,setup,"Wbufset"); 3207 CLAW_DBF_TEXT(2, setup, "Wbufset");
4299 CLAW_DBF_TEXT_(2,setup,"WB=%d",p_env->write_buffers); 3208 CLAW_DBF_TEXT_(2, setup, "WB=%d", p_env->write_buffers);
4300 return count; 3209 return count;
4301} 3210}
4302 3211
@@ -4336,8 +3245,8 @@ claw_rbuff_write(struct device *dev, struct device_attribute *attr, const char *
4336 if ((nnn > max ) || (nnn < 2)) 3245 if ((nnn > max ) || (nnn < 2))
4337 return -EINVAL; 3246 return -EINVAL;
4338 p_env->read_buffers = nnn; 3247 p_env->read_buffers = nnn;
4339 CLAW_DBF_TEXT(2,setup,"Rbufset"); 3248 CLAW_DBF_TEXT(2, setup, "Rbufset");
4340 CLAW_DBF_TEXT_(2,setup,"RB=%d",p_env->read_buffers); 3249 CLAW_DBF_TEXT_(2, setup, "RB=%d", p_env->read_buffers);
4341 return count; 3250 return count;
4342} 3251}
4343 3252
@@ -4359,16 +3268,14 @@ static struct attribute_group claw_attr_group = {
4359static int 3268static int
4360claw_add_files(struct device *dev) 3269claw_add_files(struct device *dev)
4361{ 3270{
4362 pr_debug("%s() called\n", __func__); 3271 CLAW_DBF_TEXT(2, setup, "add_file");
4363 CLAW_DBF_TEXT(2,setup,"add_file");
4364 return sysfs_create_group(&dev->kobj, &claw_attr_group); 3272 return sysfs_create_group(&dev->kobj, &claw_attr_group);
4365} 3273}
4366 3274
4367static void 3275static void
4368claw_remove_files(struct device *dev) 3276claw_remove_files(struct device *dev)
4369{ 3277{
4370 pr_debug("%s() called\n", __func__); 3278 CLAW_DBF_TEXT(2, setup, "rem_file");
4371 CLAW_DBF_TEXT(2,setup,"rem_file");
4372 sysfs_remove_group(&dev->kobj, &claw_attr_group); 3279 sysfs_remove_group(&dev->kobj, &claw_attr_group);
4373} 3280}
4374 3281
@@ -4397,35 +3304,27 @@ claw_init(void)
4397 int ret = 0; 3304 int ret = 0;
4398 printk(KERN_INFO "claw: starting driver\n"); 3305 printk(KERN_INFO "claw: starting driver\n");
4399 3306
4400#ifdef FUNCTRACE
4401 printk(KERN_INFO "claw: %s() enter \n",__func__);
4402#endif
4403 ret = claw_register_debug_facility(); 3307 ret = claw_register_debug_facility();
4404 if (ret) { 3308 if (ret) {
4405 printk(KERN_WARNING "claw: %s() debug_register failed %d\n", 3309 printk(KERN_WARNING "claw: %s() debug_register failed %d\n",
4406 __func__,ret); 3310 __func__,ret);
4407 return ret; 3311 return ret;
4408 } 3312 }
4409 CLAW_DBF_TEXT(2,setup,"init_mod"); 3313 CLAW_DBF_TEXT(2, setup, "init_mod");
4410 ret = register_cu3088_discipline(&claw_group_driver); 3314 ret = register_cu3088_discipline(&claw_group_driver);
4411 if (ret) { 3315 if (ret) {
3316 CLAW_DBF_TEXT(2, setup, "init_bad");
4412 claw_unregister_debug_facility(); 3317 claw_unregister_debug_facility();
4413 printk(KERN_WARNING "claw; %s() cu3088 register failed %d\n", 3318 printk(KERN_WARNING "claw; %s() cu3088 register failed %d\n",
4414 __func__,ret); 3319 __func__,ret);
4415 } 3320 }
4416#ifdef FUNCTRACE
4417 printk(KERN_INFO "claw: %s() exit \n",__func__);
4418#endif
4419 return ret; 3321 return ret;
4420} 3322}
4421 3323
4422module_init(claw_init); 3324module_init(claw_init);
4423module_exit(claw_cleanup); 3325module_exit(claw_cleanup);
4424 3326
4425 3327MODULE_AUTHOR("Andy Richter <richtera@us.ibm.com>");
4426 3328MODULE_DESCRIPTION("Linux for System z CLAW Driver\n" \
4427/*--------------------------------------------------------------------* 3329 "Copyright 2000,2008 IBM Corporation\n");
4428* End of File * 3330MODULE_LICENSE("GPL");
4429*---------------------------------------------------------------------*/
4430
4431
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-10 22:42:50 -0500