This source file includes following definitions.
- qeth_get_device_id
- qeth_is_adp_supported
- qeth_is_ipa_supported
- qeth_is_ipa_enabled
- qeth_l2_same_vlan
- qeth_l3_iqd_same_vlan
- qeth_l3_same_next_hop
- qeth_tx_arm_timer
- qeth_out_queue_is_full
- qeth_out_queue_is_empty
- qeth_get_cmd
- __ipa_cmd
- __ccw_from_cmd
- qeth_trylock_channel
- qeth_card_hw_is_reachable
- qeth_netdev_is_registered
- qeth_iqd_translate_txq
- qeth_scrub_qdio_buffer
- qeth_get_elements_for_range
- qeth_get_ip_version
- qeth_get_ether_cast_type
- qeth_dst_check_rcu
- qeth_rx_csum
- qeth_tx_csum
- qeth_put_buffer_pool_entry
- qeth_is_diagass_supported
- qeth_send_simple_setassparms
- qeth_send_simple_setassparms_v6
1
2
3
4
5
6
7
8
9
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
50 enum qeth_dbf_names {
51 QETH_DBF_SETUP,
52 QETH_DBF_MSG,
53 QETH_DBF_CTRL,
54 QETH_DBF_INFOS
55 };
56
57 struct 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
98 static 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
124 struct qeth_routing_info {
125 enum qeth_routing_types type;
126 };
127
128
129 struct qeth_ipa_info {
130 __u32 supported_funcs;
131 __u32 enabled_funcs;
132 };
133
134
135 enum qeth_sbp_roles {
136 QETH_SBP_ROLE_NONE = 0,
137 QETH_SBP_ROLE_PRIMARY = 1,
138 QETH_SBP_ROLE_SECONDARY = 2,
139 };
140
141 enum 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
149 struct 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
157 struct 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
172 static 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
178 static 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
184 static 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
267 struct 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
295 struct 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
307 struct 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
318 struct 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
327 struct 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
340 struct 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
350 enum 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
358 enum 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
365 enum 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 };
372
373 #define QETH_HDR_EXT_VLAN_FRAME 0x01
374 #define QETH_HDR_EXT_TOKEN_ID 0x02
375 #define QETH_HDR_EXT_INCLUDE_VLAN_TAG 0x04
376 #define QETH_HDR_EXT_SRC_MAC_ADDR 0x08
377 #define QETH_HDR_EXT_CSUM_HDR_REQ 0x10
378 #define QETH_HDR_EXT_CSUM_TRANSP_REQ 0x20
379 #define QETH_HDR_EXT_UDP 0x40
380
381 static inline bool qeth_l2_same_vlan(struct qeth_hdr_layer2 *h1,
382 struct qeth_hdr_layer2 *h2)
383 {
384 return !((h1->flags[2] ^ h2->flags[2]) & QETH_LAYER2_FLAG_VLAN) &&
385 h1->vlan_id == h2->vlan_id;
386 }
387
388 static inline bool qeth_l3_iqd_same_vlan(struct qeth_hdr_layer3 *h1,
389 struct qeth_hdr_layer3 *h2)
390 {
391 return !((h1->ext_flags ^ h2->ext_flags) & QETH_HDR_EXT_VLAN_FRAME) &&
392 h1->vlan_id == h2->vlan_id;
393 }
394
395 static inline bool qeth_l3_same_next_hop(struct qeth_hdr_layer3 *h1,
396 struct qeth_hdr_layer3 *h2)
397 {
398 return !((h1->flags ^ h2->flags) & QETH_HDR_IPV6) &&
399 ipv6_addr_equal(&h1->next_hop.ipv6_addr,
400 &h2->next_hop.ipv6_addr);
401 }
402
403 enum qeth_qdio_info_states {
404 QETH_QDIO_UNINITIALIZED,
405 QETH_QDIO_ALLOCATED,
406 QETH_QDIO_ESTABLISHED,
407 QETH_QDIO_CLEANING
408 };
409
410 struct qeth_buffer_pool_entry {
411 struct list_head list;
412 struct list_head init_list;
413 void *elements[QDIO_MAX_ELEMENTS_PER_BUFFER];
414 };
415
416 struct qeth_qdio_buffer_pool {
417 struct list_head entry_list;
418 int buf_count;
419 };
420
421 struct qeth_qdio_buffer {
422 struct qdio_buffer *buffer;
423
424 struct qeth_buffer_pool_entry *pool_entry;
425 struct sk_buff *rx_skb;
426 };
427
428 struct qeth_qdio_q {
429 struct qdio_buffer *qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
430 struct qeth_qdio_buffer bufs[QDIO_MAX_BUFFERS_PER_Q];
431 int next_buf_to_init;
432 };
433
434 enum qeth_qdio_out_buffer_state {
435
436 QETH_QDIO_BUF_EMPTY,
437
438 QETH_QDIO_BUF_PRIMED,
439
440 QETH_QDIO_BUF_PENDING,
441
442 QETH_QDIO_BUF_IN_CQ,
443
444 QETH_QDIO_BUF_HANDLED_DELAYED,
445 };
446
447 struct qeth_qdio_out_buffer {
448 struct qdio_buffer *buffer;
449 atomic_t state;
450 int next_element_to_fill;
451 unsigned int bytes;
452 struct sk_buff_head skb_list;
453 int is_header[QDIO_MAX_ELEMENTS_PER_BUFFER];
454
455 struct qeth_qdio_out_q *q;
456 struct qeth_qdio_out_buffer *next_pending;
457 };
458
459 struct qeth_card;
460
461 enum qeth_out_q_states {
462 QETH_OUT_Q_UNLOCKED,
463 QETH_OUT_Q_LOCKED,
464 QETH_OUT_Q_LOCKED_FLUSH,
465 };
466
467 #define QETH_CARD_STAT_ADD(_c, _stat, _val) ((_c)->stats._stat += (_val))
468 #define QETH_CARD_STAT_INC(_c, _stat) QETH_CARD_STAT_ADD(_c, _stat, 1)
469
470 #define QETH_TXQ_STAT_ADD(_q, _stat, _val) ((_q)->stats._stat += (_val))
471 #define QETH_TXQ_STAT_INC(_q, _stat) QETH_TXQ_STAT_ADD(_q, _stat, 1)
472
473 struct qeth_card_stats {
474 u64 rx_bufs;
475 u64 rx_skb_csum;
476 u64 rx_sg_skbs;
477 u64 rx_sg_frags;
478 u64 rx_sg_alloc_page;
479
480
481 u64 rx_packets;
482 u64 rx_bytes;
483 u64 rx_errors;
484 u64 rx_dropped;
485 u64 rx_multicast;
486 };
487
488 struct qeth_out_q_stats {
489 u64 bufs;
490 u64 bufs_pack;
491 u64 buf_elements;
492 u64 skbs_pack;
493 u64 skbs_sg;
494 u64 skbs_csum;
495 u64 skbs_tso;
496 u64 skbs_linearized;
497 u64 skbs_linearized_fail;
498 u64 tso_bytes;
499 u64 packing_mode_switch;
500 u64 stopped;
501 u64 completion_yield;
502 u64 completion_timer;
503
504
505 u64 tx_packets;
506 u64 tx_bytes;
507 u64 tx_errors;
508 u64 tx_dropped;
509 };
510
511 #define QETH_TX_TIMER_USECS 500
512
513 struct qeth_qdio_out_q {
514 struct qdio_buffer *qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
515 struct qeth_qdio_out_buffer *bufs[QDIO_MAX_BUFFERS_PER_Q];
516 struct qdio_outbuf_state *bufstates;
517 struct qeth_out_q_stats stats;
518 u8 next_buf_to_fill;
519 u8 max_elements;
520 u8 queue_no;
521 u8 do_pack;
522 struct qeth_card *card;
523 atomic_t state;
524
525
526
527
528 atomic_t used_buffers;
529
530 atomic_t set_pci_flags_count;
531 struct napi_struct napi;
532 struct timer_list timer;
533 struct qeth_hdr *prev_hdr;
534 u8 bulk_start;
535 };
536
537 #define qeth_for_each_output_queue(card, q, i) \
538 for (i = 0; i < card->qdio.no_out_queues && \
539 (q = card->qdio.out_qs[i]); i++)
540
541 #define qeth_napi_to_out_queue(n) container_of(n, struct qeth_qdio_out_q, napi)
542
543 static inline void qeth_tx_arm_timer(struct qeth_qdio_out_q *queue)
544 {
545 if (timer_pending(&queue->timer))
546 return;
547 mod_timer(&queue->timer, usecs_to_jiffies(QETH_TX_TIMER_USECS) +
548 jiffies);
549 }
550
551 static inline bool qeth_out_queue_is_full(struct qeth_qdio_out_q *queue)
552 {
553 return atomic_read(&queue->used_buffers) >= QDIO_MAX_BUFFERS_PER_Q;
554 }
555
556 static inline bool qeth_out_queue_is_empty(struct qeth_qdio_out_q *queue)
557 {
558 return atomic_read(&queue->used_buffers) == 0;
559 }
560
561 struct qeth_qdio_info {
562 atomic_t state;
563
564 int no_in_queues;
565 struct qeth_qdio_q *in_q;
566 struct qeth_qdio_q *c_q;
567 struct qeth_qdio_buffer_pool in_buf_pool;
568 struct qeth_qdio_buffer_pool init_pool;
569 int in_buf_size;
570
571
572 int no_out_queues;
573 struct qeth_qdio_out_q *out_qs[QETH_MAX_QUEUES];
574 struct qdio_outbuf_state *out_bufstates;
575
576
577 int do_prio_queueing;
578 int default_out_queue;
579 };
580
581
582
583
584 enum qeth_channel_states {
585 CH_STATE_UP,
586 CH_STATE_DOWN,
587 CH_STATE_HALTED,
588 CH_STATE_STOPPED,
589 };
590
591
592
593 enum qeth_card_states {
594 CARD_STATE_DOWN,
595 CARD_STATE_HARDSETUP,
596 CARD_STATE_SOFTSETUP,
597 };
598
599
600
601
602 enum qeth_prot_versions {
603 QETH_PROT_NONE = 0x0000,
604 QETH_PROT_IPV4 = 0x0004,
605 QETH_PROT_IPV6 = 0x0006,
606 };
607
608 enum qeth_cq {
609 QETH_CQ_DISABLED = 0,
610 QETH_CQ_ENABLED = 1,
611 QETH_CQ_NOTAVAILABLE = 2,
612 };
613
614 struct qeth_ipato {
615 bool enabled;
616 bool invert4;
617 bool invert6;
618 struct list_head entries;
619 };
620
621 struct qeth_channel {
622 struct ccw_device *ccwdev;
623 struct qeth_cmd_buffer *active_cmd;
624 enum qeth_channel_states state;
625 atomic_t irq_pending;
626 };
627
628 struct qeth_reply {
629 int (*callback)(struct qeth_card *card, struct qeth_reply *reply,
630 unsigned long data);
631 void *param;
632 };
633
634 struct qeth_cmd_buffer {
635 struct list_head list;
636 struct completion done;
637 spinlock_t lock;
638 unsigned int length;
639 refcount_t ref_count;
640 struct qeth_channel *channel;
641 struct qeth_reply reply;
642 long timeout;
643 unsigned char *data;
644 void (*finalize)(struct qeth_card *card, struct qeth_cmd_buffer *iob);
645 void (*callback)(struct qeth_card *card, struct qeth_cmd_buffer *iob,
646 unsigned int data_length);
647 int rc;
648 };
649
650 static inline void qeth_get_cmd(struct qeth_cmd_buffer *iob)
651 {
652 refcount_inc(&iob->ref_count);
653 }
654
655 static inline struct qeth_ipa_cmd *__ipa_cmd(struct qeth_cmd_buffer *iob)
656 {
657 return (struct qeth_ipa_cmd *)(iob->data + IPA_PDU_HEADER_SIZE);
658 }
659
660 static inline struct ccw1 *__ccw_from_cmd(struct qeth_cmd_buffer *iob)
661 {
662 return (struct ccw1 *)(iob->data + ALIGN(iob->length, 8));
663 }
664
665 static inline bool qeth_trylock_channel(struct qeth_channel *channel)
666 {
667 return atomic_cmpxchg(&channel->irq_pending, 0, 1) == 0;
668 }
669
670
671
672
673 struct qeth_token {
674 __u32 issuer_rm_w;
675 __u32 issuer_rm_r;
676 __u32 cm_filter_w;
677 __u32 cm_filter_r;
678 __u32 cm_connection_w;
679 __u32 cm_connection_r;
680 __u32 ulp_filter_w;
681 __u32 ulp_filter_r;
682 __u32 ulp_connection_w;
683 __u32 ulp_connection_r;
684 };
685
686 struct qeth_seqno {
687 __u32 trans_hdr;
688 __u32 pdu_hdr;
689 __u32 pdu_hdr_ack;
690 __u16 ipa;
691 };
692
693 struct qeth_card_blkt {
694 int time_total;
695 int inter_packet;
696 int inter_packet_jumbo;
697 };
698
699 #define QETH_BROADCAST_WITH_ECHO 0x01
700 #define QETH_BROADCAST_WITHOUT_ECHO 0x02
701 #define QETH_LAYER2_MAC_REGISTERED 0x02
702 struct qeth_card_info {
703 unsigned short unit_addr2;
704 unsigned short cula;
705 u8 chpid;
706 __u16 func_level;
707 char mcl_level[QETH_MCL_LENGTH + 1];
708 u8 open_when_online:1;
709 u8 promisc_mode:1;
710 u8 use_v1_blkt:1;
711 u8 is_vm_nic:1;
712 int mac_bits;
713 enum qeth_card_types type;
714 enum qeth_link_types link_type;
715 int broadcast_capable;
716 int unique_id;
717 bool layer_enforced;
718 struct qeth_card_blkt blkt;
719 __u32 diagass_support;
720 __u32 hwtrap;
721 };
722
723 enum qeth_discipline_id {
724 QETH_DISCIPLINE_UNDETERMINED = -1,
725 QETH_DISCIPLINE_LAYER3 = 0,
726 QETH_DISCIPLINE_LAYER2 = 1,
727 };
728
729 struct qeth_card_options {
730 struct qeth_routing_info route4;
731 struct qeth_ipa_info ipa4;
732 struct qeth_ipa_info adp;
733 struct qeth_routing_info route6;
734 struct qeth_ipa_info ipa6;
735 struct qeth_sbp_info sbp;
736 struct qeth_vnicc_info vnicc;
737 int fake_broadcast;
738 enum qeth_discipline_id layer;
739 int rx_sg_cb;
740 enum qeth_ipa_isolation_modes isolation;
741 enum qeth_ipa_isolation_modes prev_isolation;
742 int sniffer;
743 enum qeth_cq cq;
744 char hsuid[9];
745 };
746
747 #define IS_LAYER2(card) ((card)->options.layer == QETH_DISCIPLINE_LAYER2)
748 #define IS_LAYER3(card) ((card)->options.layer == QETH_DISCIPLINE_LAYER3)
749
750
751
752
753 enum qeth_threads {
754 QETH_RECOVER_THREAD = 1,
755 };
756
757 struct qeth_osn_info {
758 int (*assist_cb)(struct net_device *dev, void *data);
759 int (*data_cb)(struct sk_buff *skb);
760 };
761
762 struct qeth_discipline {
763 const struct device_type *devtype;
764 int (*process_rx_buffer)(struct qeth_card *card, int budget, int *done);
765 int (*recover)(void *ptr);
766 int (*setup) (struct ccwgroup_device *);
767 void (*remove) (struct ccwgroup_device *);
768 int (*set_online) (struct ccwgroup_device *);
769 int (*set_offline) (struct ccwgroup_device *);
770 int (*do_ioctl)(struct net_device *dev, struct ifreq *rq, int cmd);
771 int (*control_event_handler)(struct qeth_card *card,
772 struct qeth_ipa_cmd *cmd);
773 };
774
775 enum qeth_addr_disposition {
776 QETH_DISP_ADDR_DELETE = 0,
777 QETH_DISP_ADDR_DO_NOTHING = 1,
778 QETH_DISP_ADDR_ADD = 2,
779 };
780
781 struct qeth_rx {
782 int b_count;
783 int b_index;
784 struct qdio_buffer_element *b_element;
785 int e_offset;
786 int qdio_err;
787 };
788
789 struct carrier_info {
790 __u8 card_type;
791 __u16 port_mode;
792 __u32 port_speed;
793 };
794
795 struct qeth_switch_info {
796 __u32 capabilities;
797 __u32 settings;
798 };
799
800 #define QETH_NAPI_WEIGHT NAPI_POLL_WEIGHT
801
802 struct qeth_card {
803 enum qeth_card_states state;
804 spinlock_t lock;
805 struct ccwgroup_device *gdev;
806 struct qeth_cmd_buffer *read_cmd;
807 struct qeth_channel read;
808 struct qeth_channel write;
809 struct qeth_channel data;
810
811 struct net_device *dev;
812 struct qeth_card_stats stats;
813 struct qeth_card_info info;
814 struct qeth_token token;
815 struct qeth_seqno seqno;
816 struct qeth_card_options options;
817
818 struct workqueue_struct *event_wq;
819 struct workqueue_struct *cmd_wq;
820 wait_queue_head_t wait_q;
821 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
822 DECLARE_HASHTABLE(mac_htable, 4);
823 DECLARE_HASHTABLE(ip_htable, 4);
824 struct mutex ip_lock;
825 DECLARE_HASHTABLE(ip_mc_htable, 4);
826 struct work_struct rx_mode_work;
827 struct work_struct kernel_thread_starter;
828 spinlock_t thread_mask_lock;
829 unsigned long thread_start_mask;
830 unsigned long thread_allowed_mask;
831 unsigned long thread_running_mask;
832 struct qeth_ipato ipato;
833 struct list_head cmd_waiter_list;
834
835 struct qeth_qdio_info qdio;
836 int read_or_write_problem;
837 struct qeth_osn_info osn_info;
838 struct qeth_discipline *discipline;
839 atomic_t force_alloc_skb;
840 struct service_level qeth_service_level;
841 struct qdio_ssqd_desc ssqd;
842 debug_info_t *debug;
843 struct mutex sbp_lock;
844 struct mutex conf_mutex;
845 struct mutex discipline_mutex;
846 struct napi_struct napi;
847 struct qeth_rx rx;
848 struct delayed_work buffer_reclaim_work;
849 int reclaim_index;
850 struct work_struct close_dev_work;
851 };
852
853 static inline bool qeth_card_hw_is_reachable(struct qeth_card *card)
854 {
855 return card->state == CARD_STATE_SOFTSETUP;
856 }
857
858 struct qeth_trap_id {
859 __u16 lparnr;
860 char vmname[8];
861 __u8 chpid;
862 __u8 ssid;
863 __u16 devno;
864 } __packed;
865
866
867 #define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "")
868
869 static inline bool qeth_netdev_is_registered(struct net_device *dev)
870 {
871 return dev->netdev_ops != NULL;
872 }
873
874 static inline u16 qeth_iqd_translate_txq(struct net_device *dev, u16 txq)
875 {
876 if (txq == QETH_IQD_MCAST_TXQ)
877 return dev->num_tx_queues - 1;
878 if (txq == dev->num_tx_queues - 1)
879 return QETH_IQD_MCAST_TXQ;
880 return txq;
881 }
882
883 static inline void qeth_scrub_qdio_buffer(struct qdio_buffer *buf,
884 unsigned int elements)
885 {
886 unsigned int i;
887
888 for (i = 0; i < elements; i++)
889 memset(&buf->element[i], 0, sizeof(struct qdio_buffer_element));
890 buf->element[14].sflags = 0;
891 buf->element[15].sflags = 0;
892 }
893
894
895
896
897
898
899
900
901
902 static inline int qeth_get_elements_for_range(addr_t start, addr_t end)
903 {
904 return PFN_UP(end) - PFN_DOWN(start);
905 }
906
907 static inline int qeth_get_ip_version(struct sk_buff *skb)
908 {
909 struct vlan_ethhdr *veth = vlan_eth_hdr(skb);
910 __be16 prot = veth->h_vlan_proto;
911
912 if (prot == htons(ETH_P_8021Q))
913 prot = veth->h_vlan_encapsulated_proto;
914
915 switch (prot) {
916 case htons(ETH_P_IPV6):
917 return 6;
918 case htons(ETH_P_IP):
919 return 4;
920 default:
921 return 0;
922 }
923 }
924
925 static inline int qeth_get_ether_cast_type(struct sk_buff *skb)
926 {
927 u8 *addr = eth_hdr(skb)->h_dest;
928
929 if (is_multicast_ether_addr(addr))
930 return is_broadcast_ether_addr(addr) ? RTN_BROADCAST :
931 RTN_MULTICAST;
932 return RTN_UNICAST;
933 }
934
935 static inline struct dst_entry *qeth_dst_check_rcu(struct sk_buff *skb, int ipv)
936 {
937 struct dst_entry *dst = skb_dst(skb);
938 struct rt6_info *rt;
939
940 rt = (struct rt6_info *) dst;
941 if (dst)
942 dst = dst_check(dst, (ipv == 6) ? rt6_get_cookie(rt) : 0);
943 return dst;
944 }
945
946 static inline void qeth_rx_csum(struct qeth_card *card, struct sk_buff *skb,
947 u8 flags)
948 {
949 if ((card->dev->features & NETIF_F_RXCSUM) &&
950 (flags & QETH_HDR_EXT_CSUM_TRANSP_REQ)) {
951 skb->ip_summed = CHECKSUM_UNNECESSARY;
952 QETH_CARD_STAT_INC(card, rx_skb_csum);
953 } else {
954 skb->ip_summed = CHECKSUM_NONE;
955 }
956 }
957
958 static inline void qeth_tx_csum(struct sk_buff *skb, u8 *flags, int ipv)
959 {
960 *flags |= QETH_HDR_EXT_CSUM_TRANSP_REQ;
961 if ((ipv == 4 && ip_hdr(skb)->protocol == IPPROTO_UDP) ||
962 (ipv == 6 && ipv6_hdr(skb)->nexthdr == IPPROTO_UDP))
963 *flags |= QETH_HDR_EXT_UDP;
964 }
965
966 static inline void qeth_put_buffer_pool_entry(struct qeth_card *card,
967 struct qeth_buffer_pool_entry *entry)
968 {
969 list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list);
970 }
971
972 static inline int qeth_is_diagass_supported(struct qeth_card *card,
973 enum qeth_diags_cmds cmd)
974 {
975 return card->info.diagass_support & (__u32)cmd;
976 }
977
978 int qeth_send_simple_setassparms_prot(struct qeth_card *card,
979 enum qeth_ipa_funcs ipa_func,
980 u16 cmd_code, u32 *data,
981 enum qeth_prot_versions prot);
982
983 static inline int qeth_send_simple_setassparms(struct qeth_card *card,
984 enum qeth_ipa_funcs ipa_func,
985 u16 cmd_code, u32 *data)
986 {
987 return qeth_send_simple_setassparms_prot(card, ipa_func, cmd_code,
988 data, QETH_PROT_IPV4);
989 }
990
991 static inline int qeth_send_simple_setassparms_v6(struct qeth_card *card,
992 enum qeth_ipa_funcs ipa_func,
993 u16 cmd_code, u32 *data)
994 {
995 return qeth_send_simple_setassparms_prot(card, ipa_func, cmd_code,
996 data, QETH_PROT_IPV6);
997 }
998
999 int qeth_get_priority_queue(struct qeth_card *card, struct sk_buff *skb);
1000
1001 extern struct qeth_discipline qeth_l2_discipline;
1002 extern struct qeth_discipline qeth_l3_discipline;
1003 extern const struct ethtool_ops qeth_ethtool_ops;
1004 extern const struct ethtool_ops qeth_osn_ethtool_ops;
1005 extern const struct attribute_group *qeth_generic_attr_groups[];
1006 extern const struct attribute_group *qeth_osn_attr_groups[];
1007 extern const struct attribute_group qeth_device_attr_group;
1008 extern const struct attribute_group qeth_device_blkt_group;
1009 extern const struct device_type qeth_generic_devtype;
1010
1011 const char *qeth_get_cardname_short(struct qeth_card *);
1012 int qeth_realloc_buffer_pool(struct qeth_card *, int);
1013 int qeth_core_load_discipline(struct qeth_card *, enum qeth_discipline_id);
1014 void qeth_core_free_discipline(struct qeth_card *);
1015
1016
1017 extern struct kmem_cache *qeth_core_header_cache;
1018 extern struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS];
1019
1020 struct net_device *qeth_clone_netdev(struct net_device *orig);
1021 struct qeth_card *qeth_get_card_by_busid(char *bus_id);
1022 void qeth_set_allowed_threads(struct qeth_card *, unsigned long , int);
1023 int qeth_threads_running(struct qeth_card *, unsigned long);
1024 int qeth_do_run_thread(struct qeth_card *, unsigned long);
1025 void qeth_clear_thread_start_bit(struct qeth_card *, unsigned long);
1026 void qeth_clear_thread_running_bit(struct qeth_card *, unsigned long);
1027 int qeth_core_hardsetup_card(struct qeth_card *card, bool *carrier_ok);
1028 int qeth_stop_channel(struct qeth_channel *channel);
1029
1030 void qeth_print_status_message(struct qeth_card *);
1031 int qeth_init_qdio_queues(struct qeth_card *);
1032 int qeth_send_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *,
1033 int (*reply_cb)
1034 (struct qeth_card *, struct qeth_reply *, unsigned long),
1035 void *);
1036 struct qeth_cmd_buffer *qeth_ipa_alloc_cmd(struct qeth_card *card,
1037 enum qeth_ipa_cmds cmd_code,
1038 enum qeth_prot_versions prot,
1039 unsigned int data_length);
1040 struct qeth_cmd_buffer *qeth_alloc_cmd(struct qeth_channel *channel,
1041 unsigned int length, unsigned int ccws,
1042 long timeout);
1043 struct qeth_cmd_buffer *qeth_get_setassparms_cmd(struct qeth_card *card,
1044 enum qeth_ipa_funcs ipa_func,
1045 u16 cmd_code,
1046 unsigned int data_length,
1047 enum qeth_prot_versions prot);
1048 struct qeth_cmd_buffer *qeth_get_diag_cmd(struct qeth_card *card,
1049 enum qeth_diags_cmds sub_cmd,
1050 unsigned int data_length);
1051 void qeth_notify_cmd(struct qeth_cmd_buffer *iob, int reason);
1052 void qeth_put_cmd(struct qeth_cmd_buffer *iob);
1053
1054 struct sk_buff *qeth_core_get_next_skb(struct qeth_card *,
1055 struct qeth_qdio_buffer *, struct qdio_buffer_element **, int *,
1056 struct qeth_hdr **);
1057 void qeth_schedule_recovery(struct qeth_card *);
1058 int qeth_poll(struct napi_struct *napi, int budget);
1059 void qeth_clear_ipacmd_list(struct qeth_card *);
1060 int qeth_qdio_clear_card(struct qeth_card *, int);
1061 void qeth_clear_working_pool_list(struct qeth_card *);
1062 void qeth_drain_output_queues(struct qeth_card *card);
1063 void qeth_setadp_promisc_mode(struct qeth_card *card, bool enable);
1064 int qeth_setadpparms_change_macaddr(struct qeth_card *);
1065 void qeth_tx_timeout(struct net_device *);
1066 void qeth_prepare_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
1067 u16 cmd_length);
1068 int qeth_query_switch_attributes(struct qeth_card *card,
1069 struct qeth_switch_info *sw_info);
1070 int qeth_query_card_info(struct qeth_card *card,
1071 struct carrier_info *carrier_info);
1072 unsigned int qeth_count_elements(struct sk_buff *skb, unsigned int data_offset);
1073 int qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue,
1074 struct sk_buff *skb, struct qeth_hdr *hdr,
1075 unsigned int offset, unsigned int hd_len,
1076 int elements_needed);
1077 int qeth_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1078 void qeth_dbf_longtext(debug_info_t *id, int level, char *text, ...);
1079 int qeth_set_access_ctrl_online(struct qeth_card *card, int fallback);
1080 int qeth_configure_cq(struct qeth_card *, enum qeth_cq);
1081 int qeth_hw_trap(struct qeth_card *, enum qeth_diags_trap_action);
1082 void qeth_trace_features(struct qeth_card *);
1083 int qeth_setassparms_cb(struct qeth_card *, struct qeth_reply *, unsigned long);
1084 int qeth_set_features(struct net_device *, netdev_features_t);
1085 void qeth_enable_hw_features(struct net_device *dev);
1086 netdev_features_t qeth_fix_features(struct net_device *, netdev_features_t);
1087 netdev_features_t qeth_features_check(struct sk_buff *skb,
1088 struct net_device *dev,
1089 netdev_features_t features);
1090 void qeth_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats);
1091 u16 qeth_iqd_select_queue(struct net_device *dev, struct sk_buff *skb,
1092 u8 cast_type, struct net_device *sb_dev);
1093 int qeth_open(struct net_device *dev);
1094 int qeth_stop(struct net_device *dev);
1095
1096 int qeth_vm_request_mac(struct qeth_card *card);
1097 int qeth_xmit(struct qeth_card *card, struct sk_buff *skb,
1098 struct qeth_qdio_out_q *queue, int ipv,
1099 void (*fill_header)(struct qeth_qdio_out_q *queue,
1100 struct qeth_hdr *hdr, struct sk_buff *skb,
1101 int ipv, unsigned int data_len));
1102
1103
1104 int qeth_osn_assist(struct net_device *, void *, int);
1105 int qeth_osn_register(unsigned char *read_dev_no, struct net_device **,
1106 int (*assist_cb)(struct net_device *, void *),
1107 int (*data_cb)(struct sk_buff *));
1108 void qeth_osn_deregister(struct net_device *);
1109
1110 #endif