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10#ifndef __QETH_CORE_H__
11#define __QETH_CORE_H__
12
13#include <linux/completion.h>
14#include <linux/if.h>
15#include <linux/if_arp.h>
16#include <linux/etherdevice.h>
17#include <linux/if_vlan.h>
18#include <linux/ctype.h>
19#include <linux/in6.h>
20#include <linux/bitops.h>
21#include <linux/seq_file.h>
22#include <linux/hashtable.h>
23#include <linux/ip.h>
24#include <linux/refcount.h>
25#include <linux/timer.h>
26#include <linux/wait.h>
27#include <linux/workqueue.h>
28
29#include <net/dst.h>
30#include <net/ip6_fib.h>
31#include <net/ipv6.h>
32#include <net/if_inet6.h>
33#include <net/addrconf.h>
34#include <net/sch_generic.h>
35#include <net/tcp.h>
36
37#include <asm/debug.h>
38#include <asm/qdio.h>
39#include <asm/ccwdev.h>
40#include <asm/ccwgroup.h>
41#include <asm/sysinfo.h>
42
43#include <uapi/linux/if_link.h>
44
45#include "qeth_core_mpc.h"
46
47
48
49
50enum qeth_dbf_names {
51 QETH_DBF_SETUP,
52 QETH_DBF_MSG,
53 QETH_DBF_CTRL,
54 QETH_DBF_INFOS
55};
56
57struct qeth_dbf_info {
58 char name[DEBUG_MAX_NAME_LEN];
59 int pages;
60 int areas;
61 int len;
62 int level;
63 struct debug_view *view;
64 debug_info_t *id;
65};
66
67#define QETH_DBF_CTRL_LEN 256U
68
69#define QETH_DBF_TEXT(name, level, text) \
70 debug_text_event(qeth_dbf[QETH_DBF_##name].id, level, text)
71
72#define QETH_DBF_HEX(name, level, addr, len) \
73 debug_event(qeth_dbf[QETH_DBF_##name].id, level, (void *)(addr), len)
74
75#define QETH_DBF_MESSAGE(level, text...) \
76 debug_sprintf_event(qeth_dbf[QETH_DBF_MSG].id, level, text)
77
78#define QETH_DBF_TEXT_(name, level, text...) \
79 qeth_dbf_longtext(qeth_dbf[QETH_DBF_##name].id, level, text)
80
81#define QETH_CARD_TEXT(card, level, text) \
82 debug_text_event(card->debug, level, text)
83
84#define QETH_CARD_HEX(card, level, addr, len) \
85 debug_event(card->debug, level, (void *)(addr), len)
86
87#define QETH_CARD_MESSAGE(card, text...) \
88 debug_sprintf_event(card->debug, level, text)
89
90#define QETH_CARD_TEXT_(card, level, text...) \
91 qeth_dbf_longtext(card->debug, level, text)
92
93#define SENSE_COMMAND_REJECT_BYTE 0
94#define SENSE_COMMAND_REJECT_FLAG 0x80
95#define SENSE_RESETTING_EVENT_BYTE 1
96#define SENSE_RESETTING_EVENT_FLAG 0x80
97
98static inline u32 qeth_get_device_id(struct ccw_device *cdev)
99{
100 struct ccw_dev_id dev_id;
101 u32 id;
102
103 ccw_device_get_id(cdev, &dev_id);
104 id = dev_id.devno;
105 id |= (u32) (dev_id.ssid << 16);
106
107 return id;
108}
109
110
111
112
113#define CARD_RDEV(card) card->read.ccwdev
114#define CARD_WDEV(card) card->write.ccwdev
115#define CARD_DDEV(card) card->data.ccwdev
116#define CARD_BUS_ID(card) dev_name(&card->gdev->dev)
117#define CARD_RDEV_ID(card) dev_name(&card->read.ccwdev->dev)
118#define CARD_WDEV_ID(card) dev_name(&card->write.ccwdev->dev)
119#define CARD_DDEV_ID(card) dev_name(&card->data.ccwdev->dev)
120#define CCW_DEVID(cdev) (qeth_get_device_id(cdev))
121#define CARD_DEVID(card) (CCW_DEVID(CARD_RDEV(card)))
122
123
124struct qeth_routing_info {
125 enum qeth_routing_types type;
126};
127
128
129struct qeth_ipa_info {
130 __u32 supported_funcs;
131 __u32 enabled_funcs;
132};
133
134
135enum qeth_sbp_roles {
136 QETH_SBP_ROLE_NONE = 0,
137 QETH_SBP_ROLE_PRIMARY = 1,
138 QETH_SBP_ROLE_SECONDARY = 2,
139};
140
141enum qeth_sbp_states {
142 QETH_SBP_STATE_INACTIVE = 0,
143 QETH_SBP_STATE_STANDBY = 1,
144 QETH_SBP_STATE_ACTIVE = 2,
145};
146
147#define QETH_SBP_HOST_NOTIFICATION 1
148
149struct qeth_sbp_info {
150 __u32 supported_funcs;
151 enum qeth_sbp_roles role;
152 __u32 hostnotification:1;
153 __u32 reflect_promisc:1;
154 __u32 reflect_promisc_primary:1;
155};
156
157struct qeth_vnicc_info {
158
159 u32 sup_chars;
160 u32 cur_chars;
161
162 u32 set_char_sup;
163 u32 getset_timeout_sup;
164
165 u32 learning_timeout;
166
167 u32 wanted_chars;
168
169 bool rx_bcast_enabled;
170};
171
172static inline int qeth_is_adp_supported(struct qeth_ipa_info *ipa,
173 enum qeth_ipa_setadp_cmd func)
174{
175 return (ipa->supported_funcs & func);
176}
177
178static inline int qeth_is_ipa_supported(struct qeth_ipa_info *ipa,
179 enum qeth_ipa_funcs func)
180{
181 return (ipa->supported_funcs & func);
182}
183
184static inline int qeth_is_ipa_enabled(struct qeth_ipa_info *ipa,
185 enum qeth_ipa_funcs func)
186{
187 return (ipa->supported_funcs & ipa->enabled_funcs & func);
188}
189
190#define qeth_adp_supported(c, f) \
191 qeth_is_adp_supported(&c->options.adp, f)
192#define qeth_is_supported(c, f) \
193 qeth_is_ipa_supported(&c->options.ipa4, f)
194#define qeth_is_enabled(c, f) \
195 qeth_is_ipa_enabled(&c->options.ipa4, f)
196#define qeth_is_supported6(c, f) \
197 qeth_is_ipa_supported(&c->options.ipa6, f)
198#define qeth_is_enabled6(c, f) \
199 qeth_is_ipa_enabled(&c->options.ipa6, f)
200#define qeth_is_ipafunc_supported(c, prot, f) \
201 ((prot == QETH_PROT_IPV6) ? \
202 qeth_is_supported6(c, f) : qeth_is_supported(c, f))
203#define qeth_is_ipafunc_enabled(c, prot, f) \
204 ((prot == QETH_PROT_IPV6) ? \
205 qeth_is_enabled6(c, f) : qeth_is_enabled(c, f))
206
207#define QETH_IDX_FUNC_LEVEL_OSD 0x0101
208#define QETH_IDX_FUNC_LEVEL_IQD 0x4108
209
210#define QETH_BUFSIZE 4096
211#define CCW_CMD_WRITE 0x01
212#define CCW_CMD_READ 0x02
213
214
215
216
217#define QETH_TX_TIMEOUT 100 * HZ
218#define QETH_RCD_TIMEOUT 60 * HZ
219#define QETH_RECLAIM_WORK_TIME HZ
220#define QETH_MAX_PORTNO 15
221
222
223#define UNIQUE_ID_IF_CREATE_ADDR_FAILED 0xfffe
224#define UNIQUE_ID_NOT_BY_CARD 0x10000
225
226
227
228
229#define QETH_MAX_QUEUES 4
230#define QETH_IQD_MIN_TXQ 2
231#define QETH_IQD_MCAST_TXQ 0
232#define QETH_IQD_MIN_UCAST_TXQ 1
233#define QETH_IN_BUF_SIZE_DEFAULT 65536
234#define QETH_IN_BUF_COUNT_DEFAULT 64
235#define QETH_IN_BUF_COUNT_HSDEFAULT 128
236#define QETH_IN_BUF_COUNT_MIN 8
237#define QETH_IN_BUF_COUNT_MAX 128
238#define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12)
239#define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \
240 ((card)->qdio.in_buf_pool.buf_count / 2)
241
242
243#define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1)
244
245#define QETH_PCI_THRESHOLD_B(card) 0
246
247#define QETH_PCI_TIMER_VALUE(card) 3
248
249
250#define QETH_PRIOQ_DEFAULT QETH_NO_PRIO_QUEUEING
251#define QETH_DEFAULT_QUEUE 2
252#define QETH_NO_PRIO_QUEUEING 0
253#define QETH_PRIO_Q_ING_PREC 1
254#define QETH_PRIO_Q_ING_TOS 2
255#define QETH_PRIO_Q_ING_SKB 3
256#define QETH_PRIO_Q_ING_VLAN 4
257
258
259#define QETH_LOW_WATERMARK_PACK 2
260#define QETH_HIGH_WATERMARK_PACK 5
261#define QETH_WATERMARK_PACK_FUZZ 1
262
263
264#define QETH_RX_SG_CB (PAGE_SIZE >> 1)
265#define QETH_RX_PULL_LEN 256
266
267struct qeth_hdr_layer3 {
268 __u8 id;
269 __u8 flags;
270 __u16 inbound_checksum;
271 __u32 token;
272 __u16 length;
273 __u8 vlan_prio;
274 __u8 ext_flags;
275 __u16 vlan_id;
276 __u16 frame_offset;
277 union {
278
279 struct in6_addr ipv6_addr;
280 struct ipv4 {
281 u8 res[12];
282 u32 addr;
283 } ipv4;
284
285 struct rx {
286 u8 res1[2];
287 u8 src_mac[6];
288 u8 res2[4];
289 u16 vlan_id;
290 u8 res3[2];
291 } rx;
292 } next_hop;
293};
294
295struct qeth_hdr_layer2 {
296 __u8 id;
297 __u8 flags[3];
298 __u8 port_no;
299 __u8 hdr_length;
300 __u16 pkt_length;
301 __u16 seq_no;
302 __u16 vlan_id;
303 __u32 reserved;
304 __u8 reserved2[16];
305} __attribute__ ((packed));
306
307struct qeth_hdr_osn {
308 __u8 id;
309 __u8 reserved;
310 __u16 seq_no;
311 __u16 reserved2;
312 __u16 control_flags;
313 __u16 pdu_length;
314 __u8 reserved3[18];
315 __u32 ccid;
316} __attribute__ ((packed));
317
318struct qeth_hdr {
319 union {
320 struct qeth_hdr_layer2 l2;
321 struct qeth_hdr_layer3 l3;
322 struct qeth_hdr_osn osn;
323 } hdr;
324} __attribute__ ((packed));
325
326
327struct qeth_hdr_ext_tso {
328 __u16 hdr_tot_len;
329 __u8 imb_hdr_no;
330 __u8 reserved;
331 __u8 hdr_type;
332 __u8 hdr_version;
333 __u16 hdr_len;
334 __u32 payload_len;
335 __u16 mss;
336 __u16 dg_hdr_len;
337 __u8 padding[16];
338} __attribute__ ((packed));
339
340struct qeth_hdr_tso {
341 struct qeth_hdr hdr;
342 struct qeth_hdr_ext_tso ext;
343} __attribute__ ((packed));
344
345
346
347#define QETH_HDR_PASSTHRU 0x10
348#define QETH_HDR_IPV6 0x80
349#define QETH_HDR_CAST_MASK 0x07
350enum qeth_cast_flags {
351 QETH_CAST_UNICAST = 0x06,
352 QETH_CAST_MULTICAST = 0x04,
353 QETH_CAST_BROADCAST = 0x05,
354 QETH_CAST_ANYCAST = 0x07,
355 QETH_CAST_NOCAST = 0x00,
356};
357
358enum qeth_layer2_frame_flags {
359 QETH_LAYER2_FLAG_MULTICAST = 0x01,
360 QETH_LAYER2_FLAG_BROADCAST = 0x02,
361 QETH_LAYER2_FLAG_UNICAST = 0x04,
362 QETH_LAYER2_FLAG_VLAN = 0x10,
363};
364
365enum qeth_header_ids {
366 QETH_HEADER_TYPE_LAYER3 = 0x01,
367 QETH_HEADER_TYPE_LAYER2 = 0x02,
368 QETH_HEADER_TYPE_L3_TSO = 0x03,
369 QETH_HEADER_TYPE_OSN = 0x04,
370 QETH_HEADER_TYPE_L2_TSO = 0x06,
371 QETH_HEADER_MASK_INVAL = 0x80,
372};
373
374#define QETH_HDR_EXT_VLAN_FRAME 0x01
375#define QETH_HDR_EXT_TOKEN_ID 0x02
376#define QETH_HDR_EXT_INCLUDE_VLAN_TAG 0x04
377#define QETH_HDR_EXT_SRC_MAC_ADDR 0x08
378#define QETH_HDR_EXT_CSUM_HDR_REQ 0x10
379#define QETH_HDR_EXT_CSUM_TRANSP_REQ 0x20
380#define QETH_HDR_EXT_UDP 0x40
381
382static inline bool qeth_l2_same_vlan(struct qeth_hdr_layer2 *h1,
383 struct qeth_hdr_layer2 *h2)
384{
385 return !((h1->flags[2] ^ h2->flags[2]) & QETH_LAYER2_FLAG_VLAN) &&
386 h1->vlan_id == h2->vlan_id;
387}
388
389static inline bool qeth_l3_iqd_same_vlan(struct qeth_hdr_layer3 *h1,
390 struct qeth_hdr_layer3 *h2)
391{
392 return !((h1->ext_flags ^ h2->ext_flags) & QETH_HDR_EXT_VLAN_FRAME) &&
393 h1->vlan_id == h2->vlan_id;
394}
395
396static inline bool qeth_l3_same_next_hop(struct qeth_hdr_layer3 *h1,
397 struct qeth_hdr_layer3 *h2)
398{
399 return !((h1->flags ^ h2->flags) & QETH_HDR_IPV6) &&
400 ipv6_addr_equal(&h1->next_hop.ipv6_addr,
401 &h2->next_hop.ipv6_addr);
402}
403
404enum qeth_qdio_info_states {
405 QETH_QDIO_UNINITIALIZED,
406 QETH_QDIO_ALLOCATED,
407 QETH_QDIO_ESTABLISHED,
408 QETH_QDIO_CLEANING
409};
410
411struct qeth_buffer_pool_entry {
412 struct list_head list;
413 struct list_head init_list;
414 void *elements[QDIO_MAX_ELEMENTS_PER_BUFFER];
415};
416
417struct qeth_qdio_buffer_pool {
418 struct list_head entry_list;
419 int buf_count;
420};
421
422struct qeth_qdio_buffer {
423 struct qdio_buffer *buffer;
424
425 struct qeth_buffer_pool_entry *pool_entry;
426 struct sk_buff *rx_skb;
427};
428
429struct qeth_qdio_q {
430 struct qdio_buffer *qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
431 struct qeth_qdio_buffer bufs[QDIO_MAX_BUFFERS_PER_Q];
432 int next_buf_to_init;
433};
434
435enum qeth_qdio_out_buffer_state {
436
437 QETH_QDIO_BUF_EMPTY,
438
439 QETH_QDIO_BUF_PRIMED,
440
441 QETH_QDIO_BUF_PENDING,
442
443 QETH_QDIO_BUF_IN_CQ,
444
445 QETH_QDIO_BUF_HANDLED_DELAYED,
446};
447
448struct qeth_qdio_out_buffer {
449 struct qdio_buffer *buffer;
450 atomic_t state;
451 int next_element_to_fill;
452 unsigned int bytes;
453 struct sk_buff_head skb_list;
454 int is_header[QDIO_MAX_ELEMENTS_PER_BUFFER];
455
456 struct qeth_qdio_out_q *q;
457 struct qeth_qdio_out_buffer *next_pending;
458};
459
460struct qeth_card;
461
462enum qeth_out_q_states {
463 QETH_OUT_Q_UNLOCKED,
464 QETH_OUT_Q_LOCKED,
465 QETH_OUT_Q_LOCKED_FLUSH,
466};
467
468#define QETH_CARD_STAT_ADD(_c, _stat, _val) ((_c)->stats._stat += (_val))
469#define QETH_CARD_STAT_INC(_c, _stat) QETH_CARD_STAT_ADD(_c, _stat, 1)
470
471#define QETH_TXQ_STAT_ADD(_q, _stat, _val) ((_q)->stats._stat += (_val))
472#define QETH_TXQ_STAT_INC(_q, _stat) QETH_TXQ_STAT_ADD(_q, _stat, 1)
473
474struct qeth_card_stats {
475 u64 rx_bufs;
476 u64 rx_skb_csum;
477 u64 rx_sg_skbs;
478 u64 rx_sg_frags;
479 u64 rx_sg_alloc_page;
480
481 u64 rx_dropped_nomem;
482 u64 rx_dropped_notsupp;
483 u64 rx_dropped_runt;
484
485
486 u64 rx_packets;
487 u64 rx_bytes;
488 u64 rx_multicast;
489 u64 rx_length_errors;
490 u64 rx_frame_errors;
491 u64 rx_fifo_errors;
492};
493
494struct qeth_out_q_stats {
495 u64 bufs;
496 u64 bufs_pack;
497 u64 buf_elements;
498 u64 skbs_pack;
499 u64 skbs_sg;
500 u64 skbs_csum;
501 u64 skbs_tso;
502 u64 skbs_linearized;
503 u64 skbs_linearized_fail;
504 u64 tso_bytes;
505 u64 packing_mode_switch;
506 u64 stopped;
507 u64 completion_yield;
508 u64 completion_timer;
509
510
511 u64 tx_packets;
512 u64 tx_bytes;
513 u64 tx_errors;
514 u64 tx_dropped;
515};
516
517#define QETH_TX_TIMER_USECS 500
518
519struct qeth_qdio_out_q {
520 struct qdio_buffer *qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
521 struct qeth_qdio_out_buffer *bufs[QDIO_MAX_BUFFERS_PER_Q];
522 struct qdio_outbuf_state *bufstates;
523 struct qeth_out_q_stats stats;
524 u8 next_buf_to_fill;
525 u8 max_elements;
526 u8 queue_no;
527 u8 do_pack;
528 struct qeth_card *card;
529 atomic_t state;
530
531
532
533
534 atomic_t used_buffers;
535
536 atomic_t set_pci_flags_count;
537 struct napi_struct napi;
538 struct timer_list timer;
539 struct qeth_hdr *prev_hdr;
540 u8 bulk_start;
541 u8 bulk_count;
542 u8 bulk_max;
543};
544
545#define qeth_for_each_output_queue(card, q, i) \
546 for (i = 0; i < card->qdio.no_out_queues && \
547 (q = card->qdio.out_qs[i]); i++)
548
549#define qeth_napi_to_out_queue(n) container_of(n, struct qeth_qdio_out_q, napi)
550
551static inline void qeth_tx_arm_timer(struct qeth_qdio_out_q *queue)
552{
553 if (timer_pending(&queue->timer))
554 return;
555 mod_timer(&queue->timer, usecs_to_jiffies(QETH_TX_TIMER_USECS) +
556 jiffies);
557}
558
559static inline bool qeth_out_queue_is_full(struct qeth_qdio_out_q *queue)
560{
561 return atomic_read(&queue->used_buffers) >= QDIO_MAX_BUFFERS_PER_Q;
562}
563
564static inline bool qeth_out_queue_is_empty(struct qeth_qdio_out_q *queue)
565{
566 return atomic_read(&queue->used_buffers) == 0;
567}
568
569struct qeth_qdio_info {
570 atomic_t state;
571
572 int no_in_queues;
573 struct qeth_qdio_q *in_q;
574 struct qeth_qdio_q *c_q;
575 struct qeth_qdio_buffer_pool in_buf_pool;
576 struct qeth_qdio_buffer_pool init_pool;
577 int in_buf_size;
578
579
580 int no_out_queues;
581 struct qeth_qdio_out_q *out_qs[QETH_MAX_QUEUES];
582 struct qdio_outbuf_state *out_bufstates;
583
584
585 int do_prio_queueing;
586 int default_out_queue;
587};
588
589
590
591
592enum qeth_channel_states {
593 CH_STATE_UP,
594 CH_STATE_DOWN,
595 CH_STATE_HALTED,
596 CH_STATE_STOPPED,
597};
598
599
600
601enum qeth_card_states {
602 CARD_STATE_DOWN,
603 CARD_STATE_HARDSETUP,
604 CARD_STATE_SOFTSETUP,
605};
606
607
608
609
610enum qeth_prot_versions {
611 QETH_PROT_NONE = 0x0000,
612 QETH_PROT_IPV4 = 0x0004,
613 QETH_PROT_IPV6 = 0x0006,
614};
615
616enum qeth_cq {
617 QETH_CQ_DISABLED = 0,
618 QETH_CQ_ENABLED = 1,
619 QETH_CQ_NOTAVAILABLE = 2,
620};
621
622struct qeth_ipato {
623 bool enabled;
624 bool invert4;
625 bool invert6;
626 struct list_head entries;
627};
628
629struct qeth_channel {
630 struct ccw_device *ccwdev;
631 enum qeth_channel_states state;
632 atomic_t irq_pending;
633};
634
635struct qeth_cmd_buffer {
636 unsigned int length;
637 refcount_t ref_count;
638 struct qeth_channel *channel;
639 struct qeth_reply *reply;
640 long timeout;
641 unsigned char *data;
642 void (*finalize)(struct qeth_card *card, struct qeth_cmd_buffer *iob);
643 void (*callback)(struct qeth_card *card, struct qeth_cmd_buffer *iob);
644};
645
646static inline void qeth_get_cmd(struct qeth_cmd_buffer *iob)
647{
648 refcount_inc(&iob->ref_count);
649}
650
651static inline struct qeth_ipa_cmd *__ipa_cmd(struct qeth_cmd_buffer *iob)
652{
653 return (struct qeth_ipa_cmd *)(iob->data + IPA_PDU_HEADER_SIZE);
654}
655
656static inline struct ccw1 *__ccw_from_cmd(struct qeth_cmd_buffer *iob)
657{
658 return (struct ccw1 *)(iob->data + ALIGN(iob->length, 8));
659}
660
661static inline bool qeth_trylock_channel(struct qeth_channel *channel)
662{
663 return atomic_cmpxchg(&channel->irq_pending, 0, 1) == 0;
664}
665
666
667
668
669struct qeth_token {
670 __u32 issuer_rm_w;
671 __u32 issuer_rm_r;
672 __u32 cm_filter_w;
673 __u32 cm_filter_r;
674 __u32 cm_connection_w;
675 __u32 cm_connection_r;
676 __u32 ulp_filter_w;
677 __u32 ulp_filter_r;
678 __u32 ulp_connection_w;
679 __u32 ulp_connection_r;
680};
681
682struct qeth_seqno {
683 __u32 trans_hdr;
684 __u32 pdu_hdr;
685 __u32 pdu_hdr_ack;
686 __u16 ipa;
687};
688
689struct qeth_reply {
690 struct list_head list;
691 struct completion received;
692 spinlock_t lock;
693 int (*callback)(struct qeth_card *, struct qeth_reply *,
694 unsigned long);
695 u32 seqno;
696 unsigned long offset;
697 int rc;
698 void *param;
699 refcount_t refcnt;
700};
701
702struct qeth_card_blkt {
703 int time_total;
704 int inter_packet;
705 int inter_packet_jumbo;
706};
707
708#define QETH_BROADCAST_WITH_ECHO 0x01
709#define QETH_BROADCAST_WITHOUT_ECHO 0x02
710#define QETH_LAYER2_MAC_REGISTERED 0x02
711struct qeth_card_info {
712 unsigned short unit_addr2;
713 unsigned short cula;
714 unsigned short chpid;
715 __u16 func_level;
716 char mcl_level[QETH_MCL_LENGTH + 1];
717 u8 open_when_online:1;
718 u8 use_v1_blkt:1;
719 u8 is_vm_nic:1;
720 int mac_bits;
721 enum qeth_card_types type;
722 enum qeth_link_types link_type;
723 int broadcast_capable;
724 int unique_id;
725 bool layer_enforced;
726 struct qeth_card_blkt blkt;
727 enum qeth_ipa_promisc_modes promisc_mode;
728 __u32 diagass_support;
729 __u32 hwtrap;
730};
731
732enum qeth_discipline_id {
733 QETH_DISCIPLINE_UNDETERMINED = -1,
734 QETH_DISCIPLINE_LAYER3 = 0,
735 QETH_DISCIPLINE_LAYER2 = 1,
736};
737
738struct qeth_card_options {
739 struct qeth_routing_info route4;
740 struct qeth_ipa_info ipa4;
741 struct qeth_ipa_info adp;
742 struct qeth_routing_info route6;
743 struct qeth_ipa_info ipa6;
744 struct qeth_sbp_info sbp;
745 struct qeth_vnicc_info vnicc;
746 int fake_broadcast;
747 enum qeth_discipline_id layer;
748 int rx_sg_cb;
749 enum qeth_ipa_isolation_modes isolation;
750 enum qeth_ipa_isolation_modes prev_isolation;
751 int sniffer;
752 enum qeth_cq cq;
753 char hsuid[9];
754};
755
756#define IS_LAYER2(card) ((card)->options.layer == QETH_DISCIPLINE_LAYER2)
757#define IS_LAYER3(card) ((card)->options.layer == QETH_DISCIPLINE_LAYER3)
758
759
760
761
762enum qeth_threads {
763 QETH_RECOVER_THREAD = 1,
764};
765
766struct qeth_osn_info {
767 int (*assist_cb)(struct net_device *dev, void *data);
768 int (*data_cb)(struct sk_buff *skb);
769};
770
771struct qeth_discipline {
772 const struct device_type *devtype;
773 int (*process_rx_buffer)(struct qeth_card *card, int budget, int *done);
774 int (*recover)(void *ptr);
775 int (*setup) (struct ccwgroup_device *);
776 void (*remove) (struct ccwgroup_device *);
777 int (*set_online) (struct ccwgroup_device *);
778 int (*set_offline) (struct ccwgroup_device *);
779 int (*do_ioctl)(struct net_device *dev, struct ifreq *rq, int cmd);
780 int (*control_event_handler)(struct qeth_card *card,
781 struct qeth_ipa_cmd *cmd);
782};
783
784enum qeth_addr_disposition {
785 QETH_DISP_ADDR_DELETE = 0,
786 QETH_DISP_ADDR_DO_NOTHING = 1,
787 QETH_DISP_ADDR_ADD = 2,
788};
789
790struct qeth_rx {
791 int b_count;
792 int b_index;
793 struct qdio_buffer_element *b_element;
794 int e_offset;
795 int qdio_err;
796};
797
798struct carrier_info {
799 __u8 card_type;
800 __u16 port_mode;
801 __u32 port_speed;
802};
803
804struct qeth_switch_info {
805 __u32 capabilities;
806 __u32 settings;
807};
808
809#define QETH_NAPI_WEIGHT NAPI_POLL_WEIGHT
810
811struct qeth_card {
812 enum qeth_card_states state;
813 spinlock_t lock;
814 struct ccwgroup_device *gdev;
815 struct qeth_cmd_buffer *read_cmd;
816 struct qeth_channel read;
817 struct qeth_channel write;
818 struct qeth_channel data;
819
820 struct net_device *dev;
821 struct qeth_card_stats stats;
822 struct qeth_card_info info;
823 struct qeth_token token;
824 struct qeth_seqno seqno;
825 struct qeth_card_options options;
826
827 struct workqueue_struct *event_wq;
828 struct workqueue_struct *cmd_wq;
829 wait_queue_head_t wait_q;
830 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
831 DECLARE_HASHTABLE(mac_htable, 4);
832 DECLARE_HASHTABLE(ip_htable, 4);
833 struct mutex ip_lock;
834 DECLARE_HASHTABLE(ip_mc_htable, 4);
835 struct work_struct rx_mode_work;
836 struct work_struct kernel_thread_starter;
837 spinlock_t thread_mask_lock;
838 unsigned long thread_start_mask;
839 unsigned long thread_allowed_mask;
840 unsigned long thread_running_mask;
841 struct qeth_ipato ipato;
842 struct list_head cmd_waiter_list;
843
844 struct qeth_qdio_info qdio;
845 int read_or_write_problem;
846 struct qeth_osn_info osn_info;
847 struct qeth_discipline *discipline;
848 atomic_t force_alloc_skb;
849 struct service_level qeth_service_level;
850 struct qdio_ssqd_desc ssqd;
851 debug_info_t *debug;
852 struct mutex conf_mutex;
853 struct mutex discipline_mutex;
854 struct napi_struct napi;
855 struct qeth_rx rx;
856 struct delayed_work buffer_reclaim_work;
857 int reclaim_index;
858 struct work_struct close_dev_work;
859};
860
861static inline bool qeth_card_hw_is_reachable(struct qeth_card *card)
862{
863 return card->state == CARD_STATE_SOFTSETUP;
864}
865
866struct qeth_trap_id {
867 __u16 lparnr;
868 char vmname[8];
869 __u8 chpid;
870 __u8 ssid;
871 __u16 devno;
872} __packed;
873
874
875#define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "")
876
877static inline bool qeth_netdev_is_registered(struct net_device *dev)
878{
879 return dev->netdev_ops != NULL;
880}
881
882static inline u16 qeth_iqd_translate_txq(struct net_device *dev, u16 txq)
883{
884 if (txq == QETH_IQD_MCAST_TXQ)
885 return dev->num_tx_queues - 1;
886 if (txq == dev->num_tx_queues - 1)
887 return QETH_IQD_MCAST_TXQ;
888 return txq;
889}
890
891static inline bool qeth_iqd_is_mcast_queue(struct qeth_card *card,
892 struct qeth_qdio_out_q *queue)
893{
894 return qeth_iqd_translate_txq(card->dev, queue->queue_no) ==
895 QETH_IQD_MCAST_TXQ;
896}
897
898static inline void qeth_scrub_qdio_buffer(struct qdio_buffer *buf,
899 unsigned int elements)
900{
901 unsigned int i;
902
903 for (i = 0; i < elements; i++)
904 memset(&buf->element[i], 0, sizeof(struct qdio_buffer_element));
905 buf->element[14].sflags = 0;
906 buf->element[15].sflags = 0;
907}
908
909
910
911
912
913
914
915
916
917static inline int qeth_get_elements_for_range(addr_t start, addr_t end)
918{
919 return PFN_UP(end) - PFN_DOWN(start);
920}
921
922static inline int qeth_get_ip_version(struct sk_buff *skb)
923{
924 struct vlan_ethhdr *veth = vlan_eth_hdr(skb);
925 __be16 prot = veth->h_vlan_proto;
926
927 if (prot == htons(ETH_P_8021Q))
928 prot = veth->h_vlan_encapsulated_proto;
929
930 switch (prot) {
931 case htons(ETH_P_IPV6):
932 return 6;
933 case htons(ETH_P_IP):
934 return 4;
935 default:
936 return 0;
937 }
938}
939
940static inline int qeth_get_ether_cast_type(struct sk_buff *skb)
941{
942 u8 *addr = eth_hdr(skb)->h_dest;
943
944 if (is_multicast_ether_addr(addr))
945 return is_broadcast_ether_addr(addr) ? RTN_BROADCAST :
946 RTN_MULTICAST;
947 return RTN_UNICAST;
948}
949
950static inline struct dst_entry *qeth_dst_check_rcu(struct sk_buff *skb, int ipv)
951{
952 struct dst_entry *dst = skb_dst(skb);
953 struct rt6_info *rt;
954
955 rt = (struct rt6_info *) dst;
956 if (dst)
957 dst = dst_check(dst, (ipv == 6) ? rt6_get_cookie(rt) : 0);
958 return dst;
959}
960
961static inline void qeth_rx_csum(struct qeth_card *card, struct sk_buff *skb,
962 u8 flags)
963{
964 if ((card->dev->features & NETIF_F_RXCSUM) &&
965 (flags & QETH_HDR_EXT_CSUM_TRANSP_REQ)) {
966 skb->ip_summed = CHECKSUM_UNNECESSARY;
967 QETH_CARD_STAT_INC(card, rx_skb_csum);
968 } else {
969 skb->ip_summed = CHECKSUM_NONE;
970 }
971}
972
973static inline void qeth_tx_csum(struct sk_buff *skb, u8 *flags, int ipv)
974{
975 *flags |= QETH_HDR_EXT_CSUM_TRANSP_REQ;
976 if ((ipv == 4 && ip_hdr(skb)->protocol == IPPROTO_UDP) ||
977 (ipv == 6 && ipv6_hdr(skb)->nexthdr == IPPROTO_UDP))
978 *flags |= QETH_HDR_EXT_UDP;
979}
980
981static inline void qeth_put_buffer_pool_entry(struct qeth_card *card,
982 struct qeth_buffer_pool_entry *entry)
983{
984 list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list);
985}
986
987static inline int qeth_is_diagass_supported(struct qeth_card *card,
988 enum qeth_diags_cmds cmd)
989{
990 return card->info.diagass_support & (__u32)cmd;
991}
992
993int qeth_send_simple_setassparms_prot(struct qeth_card *card,
994 enum qeth_ipa_funcs ipa_func,
995 u16 cmd_code, u32 *data,
996 enum qeth_prot_versions prot);
997
998static inline int qeth_send_simple_setassparms(struct qeth_card *card,
999 enum qeth_ipa_funcs ipa_func,
1000 u16 cmd_code, u32 *data)
1001{
1002 return qeth_send_simple_setassparms_prot(card, ipa_func, cmd_code,
1003 data, QETH_PROT_IPV4);
1004}
1005
1006static inline int qeth_send_simple_setassparms_v6(struct qeth_card *card,
1007 enum qeth_ipa_funcs ipa_func,
1008 u16 cmd_code, u32 *data)
1009{
1010 return qeth_send_simple_setassparms_prot(card, ipa_func, cmd_code,
1011 data, QETH_PROT_IPV6);
1012}
1013
1014int qeth_get_priority_queue(struct qeth_card *card, struct sk_buff *skb);
1015
1016extern struct qeth_discipline qeth_l2_discipline;
1017extern struct qeth_discipline qeth_l3_discipline;
1018extern const struct ethtool_ops qeth_ethtool_ops;
1019extern const struct ethtool_ops qeth_osn_ethtool_ops;
1020extern const struct attribute_group *qeth_generic_attr_groups[];
1021extern const struct attribute_group *qeth_osn_attr_groups[];
1022extern const struct attribute_group qeth_device_attr_group;
1023extern const struct attribute_group qeth_device_blkt_group;
1024extern const struct device_type qeth_generic_devtype;
1025
1026const char *qeth_get_cardname_short(struct qeth_card *);
1027int qeth_realloc_buffer_pool(struct qeth_card *, int);
1028int qeth_core_load_discipline(struct qeth_card *, enum qeth_discipline_id);
1029void qeth_core_free_discipline(struct qeth_card *);
1030
1031
1032extern struct kmem_cache *qeth_core_header_cache;
1033extern struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS];
1034
1035struct net_device *qeth_clone_netdev(struct net_device *orig);
1036struct qeth_card *qeth_get_card_by_busid(char *bus_id);
1037void qeth_set_allowed_threads(struct qeth_card *, unsigned long , int);
1038int qeth_threads_running(struct qeth_card *, unsigned long);
1039int qeth_do_run_thread(struct qeth_card *, unsigned long);
1040void qeth_clear_thread_start_bit(struct qeth_card *, unsigned long);
1041void qeth_clear_thread_running_bit(struct qeth_card *, unsigned long);
1042int qeth_core_hardsetup_card(struct qeth_card *card, bool *carrier_ok);
1043void qeth_print_status_message(struct qeth_card *);
1044int qeth_init_qdio_queues(struct qeth_card *);
1045int qeth_send_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *,
1046 int (*reply_cb)
1047 (struct qeth_card *, struct qeth_reply *, unsigned long),
1048 void *);
1049struct qeth_cmd_buffer *qeth_ipa_alloc_cmd(struct qeth_card *card,
1050 enum qeth_ipa_cmds cmd_code,
1051 enum qeth_prot_versions prot,
1052 unsigned int data_length);
1053struct qeth_cmd_buffer *qeth_alloc_cmd(struct qeth_channel *channel,
1054 unsigned int length, unsigned int ccws,
1055 long timeout);
1056struct qeth_cmd_buffer *qeth_get_setassparms_cmd(struct qeth_card *card,
1057 enum qeth_ipa_funcs ipa_func,
1058 u16 cmd_code,
1059 unsigned int data_length,
1060 enum qeth_prot_versions prot);
1061struct qeth_cmd_buffer *qeth_get_diag_cmd(struct qeth_card *card,
1062 enum qeth_diags_cmds sub_cmd,
1063 unsigned int data_length);
1064void qeth_put_cmd(struct qeth_cmd_buffer *iob);
1065
1066struct sk_buff *qeth_core_get_next_skb(struct qeth_card *,
1067 struct qeth_qdio_buffer *, struct qdio_buffer_element **, int *,
1068 struct qeth_hdr **);
1069void qeth_schedule_recovery(struct qeth_card *);
1070int qeth_poll(struct napi_struct *napi, int budget);
1071void qeth_clear_ipacmd_list(struct qeth_card *);
1072int qeth_qdio_clear_card(struct qeth_card *, int);
1073void qeth_clear_working_pool_list(struct qeth_card *);
1074void qeth_drain_output_queues(struct qeth_card *card);
1075void qeth_setadp_promisc_mode(struct qeth_card *);
1076int qeth_setadpparms_change_macaddr(struct qeth_card *);
1077void qeth_tx_timeout(struct net_device *);
1078void qeth_notify_reply(struct qeth_reply *reply, int reason);
1079void qeth_prepare_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
1080 u16 cmd_length);
1081int qeth_query_switch_attributes(struct qeth_card *card,
1082 struct qeth_switch_info *sw_info);
1083int qeth_query_card_info(struct qeth_card *card,
1084 struct carrier_info *carrier_info);
1085unsigned int qeth_count_elements(struct sk_buff *skb, unsigned int data_offset);
1086int qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue,
1087 struct sk_buff *skb, struct qeth_hdr *hdr,
1088 unsigned int offset, unsigned int hd_len,
1089 int elements_needed);
1090int qeth_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1091void qeth_dbf_longtext(debug_info_t *id, int level, char *text, ...);
1092int qeth_set_access_ctrl_online(struct qeth_card *card, int fallback);
1093int qeth_configure_cq(struct qeth_card *, enum qeth_cq);
1094int qeth_hw_trap(struct qeth_card *, enum qeth_diags_trap_action);
1095void qeth_trace_features(struct qeth_card *);
1096int qeth_setassparms_cb(struct qeth_card *, struct qeth_reply *, unsigned long);
1097int qeth_set_features(struct net_device *, netdev_features_t);
1098void qeth_enable_hw_features(struct net_device *dev);
1099netdev_features_t qeth_fix_features(struct net_device *, netdev_features_t);
1100netdev_features_t qeth_features_check(struct sk_buff *skb,
1101 struct net_device *dev,
1102 netdev_features_t features);
1103void qeth_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats);
1104u16 qeth_iqd_select_queue(struct net_device *dev, struct sk_buff *skb,
1105 u8 cast_type, struct net_device *sb_dev);
1106int qeth_open(struct net_device *dev);
1107int qeth_stop(struct net_device *dev);
1108
1109int qeth_vm_request_mac(struct qeth_card *card);
1110int qeth_xmit(struct qeth_card *card, struct sk_buff *skb,
1111 struct qeth_qdio_out_q *queue, int ipv,
1112 void (*fill_header)(struct qeth_qdio_out_q *queue,
1113 struct qeth_hdr *hdr, struct sk_buff *skb,
1114 int ipv, unsigned int data_len));
1115
1116
1117int qeth_osn_assist(struct net_device *, void *, int);
1118int qeth_osn_register(unsigned char *read_dev_no, struct net_device **,
1119 int (*assist_cb)(struct net_device *, void *),
1120 int (*data_cb)(struct sk_buff *));
1121void qeth_osn_deregister(struct net_device *);
1122
1123#endif
1124
