1 /*
2 * drivers/s390/net/qeth_core.h
3 *
4 * Copyright IBM Corp. 2007
5 * Author(s): Utz Bacher <utz.bacher@de.ibm.com>,
6 * Frank Pavlic <fpavlic@de.ibm.com>,
7 * Thomas Spatzier <tspat@de.ibm.com>,
8 * Frank Blaschka <frank.blaschka@de.ibm.com>
9 */
10
11 #ifndef __QETH_CORE_H__
12 #define __QETH_CORE_H__
13
14 #include <linux/if.h>
15 #include <linux/if_arp.h>
16 #include <linux/if_tr.h>
17 #include <linux/trdevice.h>
18 #include <linux/etherdevice.h>
19 #include <linux/if_vlan.h>
20 #include <linux/ctype.h>
21 #include <linux/in6.h>
22 #include <linux/bitops.h>
23 #include <linux/seq_file.h>
24 #include <linux/ethtool.h>
25
26 #include <net/ipv6.h>
27 #include <net/if_inet6.h>
28 #include <net/addrconf.h>
29
30 #include <asm/debug.h>
31 #include <asm/qdio.h>
32 #include <asm/ccwdev.h>
33 #include <asm/ccwgroup.h>
34 #include <asm/sysinfo.h>
35
36 #include "qeth_core_mpc.h"
37
38 /**
39 * Debug Facility stuff
40 */
41 enum qeth_dbf_names {
42 QETH_DBF_SETUP,
43 QETH_DBF_MSG,
44 QETH_DBF_CTRL,
45 QETH_DBF_INFOS /* must be last element */
46 };
47
48 struct qeth_dbf_info {
49 char name[DEBUG_MAX_NAME_LEN];
50 int pages;
51 int areas;
52 int len;
53 int level;
54 struct debug_view *view;
55 debug_info_t *id;
56 };
57
58 #define QETH_DBF_CTRL_LEN 256
59
60 #define QETH_DBF_TEXT(name, level, text) \
61 debug_text_event(qeth_dbf[QETH_DBF_##name].id, level, text)
62
63 #define QETH_DBF_HEX(name, level, addr, len) \
64 debug_event(qeth_dbf[QETH_DBF_##name].id, level, (void *)(addr), len)
65
66 #define QETH_DBF_MESSAGE(level, text...) \
67 debug_sprintf_event(qeth_dbf[QETH_DBF_MSG].id, level, text)
68
69 #define QETH_DBF_TEXT_(name, level, text...) \
70 qeth_dbf_longtext(qeth_dbf[QETH_DBF_##name].id, level, text)
71
72 #define QETH_CARD_TEXT(card, level, text) \
73 debug_text_event(card->debug, level, text)
74
75 #define QETH_CARD_HEX(card, level, addr, len) \
76 debug_event(card->debug, level, (void *)(addr), len)
77
78 #define QETH_CARD_MESSAGE(card, text...) \
79 debug_sprintf_event(card->debug, level, text)
80
81 #define QETH_CARD_TEXT_(card, level, text...) \
82 qeth_dbf_longtext(card->debug, level, text)
83
84 #define SENSE_COMMAND_REJECT_BYTE 0
85 #define SENSE_COMMAND_REJECT_FLAG 0x80
86 #define SENSE_RESETTING_EVENT_BYTE 1
87 #define SENSE_RESETTING_EVENT_FLAG 0x80
88
89 /*
90 * Common IO related definitions
91 */
92 #define CARD_RDEV(card) card->read.ccwdev
93 #define CARD_WDEV(card) card->write.ccwdev
94 #define CARD_DDEV(card) card->data.ccwdev
95 #define CARD_BUS_ID(card) dev_name(&card->gdev->dev)
96 #define CARD_RDEV_ID(card) dev_name(&card->read.ccwdev->dev)
97 #define CARD_WDEV_ID(card) dev_name(&card->write.ccwdev->dev)
98 #define CARD_DDEV_ID(card) dev_name(&card->data.ccwdev->dev)
99 #define CHANNEL_ID(channel) dev_name(&channel->ccwdev->dev)
100
101 /**
102 * card stuff
103 */
104 struct qeth_perf_stats {
105 unsigned int bufs_rec;
106 unsigned int bufs_sent;
107
108 unsigned int skbs_sent_pack;
109 unsigned int bufs_sent_pack;
110
111 unsigned int sc_dp_p;
112 unsigned int sc_p_dp;
113 /* qdio_cq_handler: number of times called, time spent in */
114 __u64 cq_start_time;
115 unsigned int cq_cnt;
116 unsigned int cq_time;
117 /* qdio_input_handler: number of times called, time spent in */
118 __u64 inbound_start_time;
119 unsigned int inbound_cnt;
120 unsigned int inbound_time;
121 /* qeth_send_packet: number of times called, time spent in */
122 __u64 outbound_start_time;
123 unsigned int outbound_cnt;
124 unsigned int outbound_time;
125 /* qdio_output_handler: number of times called, time spent in */
126 __u64 outbound_handler_start_time;
127 unsigned int outbound_handler_cnt;
128 unsigned int outbound_handler_time;
129 /* number of calls to and time spent in do_QDIO for inbound queue */
130 __u64 inbound_do_qdio_start_time;
131 unsigned int inbound_do_qdio_cnt;
132 unsigned int inbound_do_qdio_time;
133 /* number of calls to and time spent in do_QDIO for outbound queues */
134 __u64 outbound_do_qdio_start_time;
135 unsigned int outbound_do_qdio_cnt;
136 unsigned int outbound_do_qdio_time;
137 unsigned int large_send_bytes;
138 unsigned int large_send_cnt;
139 unsigned int sg_skbs_sent;
140 unsigned int sg_frags_sent;
141 /* initial values when measuring starts */
142 unsigned long initial_rx_packets;
143 unsigned long initial_tx_packets;
144 /* inbound scatter gather data */
145 unsigned int sg_skbs_rx;
146 unsigned int sg_frags_rx;
147 unsigned int sg_alloc_page_rx;
148 unsigned int tx_csum;
149 unsigned int tx_lin;
150 };
151
152 /* Routing stuff */
153 struct qeth_routing_info {
154 enum qeth_routing_types type;
155 };
156
157 /* IPA stuff */
158 struct qeth_ipa_info {
159 __u32 supported_funcs;
160 __u32 enabled_funcs;
161 };
162
qeth_is_ipa_supported(struct qeth_ipa_info * ipa,enum qeth_ipa_funcs func)163 static inline int qeth_is_ipa_supported(struct qeth_ipa_info *ipa,
164 enum qeth_ipa_funcs func)
165 {
166 return (ipa->supported_funcs & func);
167 }
168
qeth_is_ipa_enabled(struct qeth_ipa_info * ipa,enum qeth_ipa_funcs func)169 static inline int qeth_is_ipa_enabled(struct qeth_ipa_info *ipa,
170 enum qeth_ipa_funcs func)
171 {
172 return (ipa->supported_funcs & ipa->enabled_funcs & func);
173 }
174
175 #define qeth_adp_supported(c, f) \
176 qeth_is_ipa_supported(&c->options.adp, f)
177 #define qeth_adp_enabled(c, f) \
178 qeth_is_ipa_enabled(&c->options.adp, f)
179 #define qeth_is_supported(c, f) \
180 qeth_is_ipa_supported(&c->options.ipa4, f)
181 #define qeth_is_enabled(c, f) \
182 qeth_is_ipa_enabled(&c->options.ipa4, f)
183 #define qeth_is_supported6(c, f) \
184 qeth_is_ipa_supported(&c->options.ipa6, f)
185 #define qeth_is_enabled6(c, f) \
186 qeth_is_ipa_enabled(&c->options.ipa6, f)
187 #define qeth_is_ipafunc_supported(c, prot, f) \
188 ((prot == QETH_PROT_IPV6) ? \
189 qeth_is_supported6(c, f) : qeth_is_supported(c, f))
190 #define qeth_is_ipafunc_enabled(c, prot, f) \
191 ((prot == QETH_PROT_IPV6) ? \
192 qeth_is_enabled6(c, f) : qeth_is_enabled(c, f))
193
194 #define QETH_IDX_FUNC_LEVEL_OSD 0x0101
195 #define QETH_IDX_FUNC_LEVEL_IQD 0x4108
196
197 #define QETH_MODELLIST_ARRAY \
198 {{0x1731, 0x01, 0x1732, QETH_CARD_TYPE_OSD, QETH_MAX_QUEUES, 0}, \
199 {0x1731, 0x05, 0x1732, QETH_CARD_TYPE_IQD, QETH_MAX_QUEUES, 0x103}, \
200 {0x1731, 0x06, 0x1732, QETH_CARD_TYPE_OSN, QETH_MAX_QUEUES, 0}, \
201 {0x1731, 0x02, 0x1732, QETH_CARD_TYPE_OSM, QETH_MAX_QUEUES, 0}, \
202 {0x1731, 0x02, 0x1732, QETH_CARD_TYPE_OSX, QETH_MAX_QUEUES, 0}, \
203 {0, 0, 0, 0, 0, 0} }
204 #define QETH_CU_TYPE_IND 0
205 #define QETH_CU_MODEL_IND 1
206 #define QETH_DEV_TYPE_IND 2
207 #define QETH_DEV_MODEL_IND 3
208 #define QETH_QUEUE_NO_IND 4
209 #define QETH_MULTICAST_IND 5
210
211 #define QETH_REAL_CARD 1
212 #define QETH_VLAN_CARD 2
213 #define QETH_BUFSIZE 4096
214
215 /**
216 * some more defs
217 */
218 #define QETH_TX_TIMEOUT 100 * HZ
219 #define QETH_RCD_TIMEOUT 60 * HZ
220 #define QETH_RECLAIM_WORK_TIME HZ
221 #define QETH_HEADER_SIZE 32
222 #define QETH_MAX_PORTNO 15
223
224 /*IPv6 address autoconfiguration stuff*/
225 #define UNIQUE_ID_IF_CREATE_ADDR_FAILED 0xfffe
226 #define UNIQUE_ID_NOT_BY_CARD 0x10000
227
228 /*****************************************************************************/
229 /* QDIO queue and buffer handling */
230 /*****************************************************************************/
231 #define QETH_MAX_QUEUES 4
232 #define QETH_IN_BUF_SIZE_DEFAULT 65536
233 #define QETH_IN_BUF_COUNT_DEFAULT 64
234 #define QETH_IN_BUF_COUNT_HSDEFAULT 128
235 #define QETH_IN_BUF_COUNT_MIN 8
236 #define QETH_IN_BUF_COUNT_MAX 128
237 #define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12)
238 #define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \
239 ((card)->qdio.in_buf_pool.buf_count / 2)
240
241 /* buffers we have to be behind before we get a PCI */
242 #define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1)
243 /*enqueued free buffers left before we get a PCI*/
244 #define QETH_PCI_THRESHOLD_B(card) 0
245 /*not used unless the microcode gets patched*/
246 #define QETH_PCI_TIMER_VALUE(card) 3
247
248 /* priority queing */
249 #define QETH_PRIOQ_DEFAULT QETH_NO_PRIO_QUEUEING
250 #define QETH_DEFAULT_QUEUE 2
251 #define QETH_NO_PRIO_QUEUEING 0
252 #define QETH_PRIO_Q_ING_PREC 1
253 #define QETH_PRIO_Q_ING_TOS 2
254 #define IP_TOS_LOWDELAY 0x10
255 #define IP_TOS_HIGHTHROUGHPUT 0x08
256 #define IP_TOS_HIGHRELIABILITY 0x04
257 #define IP_TOS_NOTIMPORTANT 0x02
258
259 /* Packing */
260 #define QETH_LOW_WATERMARK_PACK 2
261 #define QETH_HIGH_WATERMARK_PACK 5
262 #define QETH_WATERMARK_PACK_FUZZ 1
263
264 #define QETH_IP_HEADER_SIZE 40
265
266 /* large receive scatter gather copy break */
267 #define QETH_RX_SG_CB (PAGE_SIZE >> 1)
268 #define QETH_RX_PULL_LEN 256
269
270 struct qeth_hdr_layer3 {
271 __u8 id;
272 __u8 flags;
273 __u16 inbound_checksum; /*TSO:__u16 seqno */
274 __u32 token; /*TSO: __u32 reserved */
275 __u16 length;
276 __u8 vlan_prio;
277 __u8 ext_flags;
278 __u16 vlan_id;
279 __u16 frame_offset;
280 __u8 dest_addr[16];
281 } __attribute__ ((packed));
282
283 struct qeth_hdr_layer2 {
284 __u8 id;
285 __u8 flags[3];
286 __u8 port_no;
287 __u8 hdr_length;
288 __u16 pkt_length;
289 __u16 seq_no;
290 __u16 vlan_id;
291 __u32 reserved;
292 __u8 reserved2[16];
293 } __attribute__ ((packed));
294
295 struct qeth_hdr_osn {
296 __u8 id;
297 __u8 reserved;
298 __u16 seq_no;
299 __u16 reserved2;
300 __u16 control_flags;
301 __u16 pdu_length;
302 __u8 reserved3[18];
303 __u32 ccid;
304 } __attribute__ ((packed));
305
306 struct qeth_hdr {
307 union {
308 struct qeth_hdr_layer2 l2;
309 struct qeth_hdr_layer3 l3;
310 struct qeth_hdr_osn osn;
311 } hdr;
312 } __attribute__ ((packed));
313
314 /*TCP Segmentation Offload header*/
315 struct qeth_hdr_ext_tso {
316 __u16 hdr_tot_len;
317 __u8 imb_hdr_no;
318 __u8 reserved;
319 __u8 hdr_type;
320 __u8 hdr_version;
321 __u16 hdr_len;
322 __u32 payload_len;
323 __u16 mss;
324 __u16 dg_hdr_len;
325 __u8 padding[16];
326 } __attribute__ ((packed));
327
328 struct qeth_hdr_tso {
329 struct qeth_hdr hdr; /*hdr->hdr.l3.xxx*/
330 struct qeth_hdr_ext_tso ext;
331 } __attribute__ ((packed));
332
333
334 /* flags for qeth_hdr.flags */
335 #define QETH_HDR_PASSTHRU 0x10
336 #define QETH_HDR_IPV6 0x80
337 #define QETH_HDR_CAST_MASK 0x07
338 enum qeth_cast_flags {
339 QETH_CAST_UNICAST = 0x06,
340 QETH_CAST_MULTICAST = 0x04,
341 QETH_CAST_BROADCAST = 0x05,
342 QETH_CAST_ANYCAST = 0x07,
343 QETH_CAST_NOCAST = 0x00,
344 };
345
346 enum qeth_layer2_frame_flags {
347 QETH_LAYER2_FLAG_MULTICAST = 0x01,
348 QETH_LAYER2_FLAG_BROADCAST = 0x02,
349 QETH_LAYER2_FLAG_UNICAST = 0x04,
350 QETH_LAYER2_FLAG_VLAN = 0x10,
351 };
352
353 enum qeth_header_ids {
354 QETH_HEADER_TYPE_LAYER3 = 0x01,
355 QETH_HEADER_TYPE_LAYER2 = 0x02,
356 QETH_HEADER_TYPE_TSO = 0x03,
357 QETH_HEADER_TYPE_OSN = 0x04,
358 };
359 /* flags for qeth_hdr.ext_flags */
360 #define QETH_HDR_EXT_VLAN_FRAME 0x01
361 #define QETH_HDR_EXT_TOKEN_ID 0x02
362 #define QETH_HDR_EXT_INCLUDE_VLAN_TAG 0x04
363 #define QETH_HDR_EXT_SRC_MAC_ADDR 0x08
364 #define QETH_HDR_EXT_CSUM_HDR_REQ 0x10
365 #define QETH_HDR_EXT_CSUM_TRANSP_REQ 0x20
366 #define QETH_HDR_EXT_UDP 0x40 /*bit off for TCP*/
367
qeth_is_last_sbale(struct qdio_buffer_element * sbale)368 static inline int qeth_is_last_sbale(struct qdio_buffer_element *sbale)
369 {
370 return (sbale->eflags & SBAL_EFLAGS_LAST_ENTRY);
371 }
372
373 enum qeth_qdio_buffer_states {
374 /*
375 * inbound: read out by driver; owned by hardware in order to be filled
376 * outbound: owned by driver in order to be filled
377 */
378 QETH_QDIO_BUF_EMPTY,
379 /*
380 * inbound: filled by hardware; owned by driver in order to be read out
381 * outbound: filled by driver; owned by hardware in order to be sent
382 */
383 QETH_QDIO_BUF_PRIMED,
384 /*
385 * inbound: not applicable
386 * outbound: identified to be pending in TPQ
387 */
388 QETH_QDIO_BUF_PENDING,
389 /*
390 * inbound: not applicable
391 * outbound: found in completion queue
392 */
393 QETH_QDIO_BUF_IN_CQ,
394 /*
395 * inbound: not applicable
396 * outbound: handled via transfer pending / completion queue
397 */
398 QETH_QDIO_BUF_HANDLED_DELAYED,
399 };
400
401 enum qeth_qdio_info_states {
402 QETH_QDIO_UNINITIALIZED,
403 QETH_QDIO_ALLOCATED,
404 QETH_QDIO_ESTABLISHED,
405 QETH_QDIO_CLEANING
406 };
407
408 struct qeth_buffer_pool_entry {
409 struct list_head list;
410 struct list_head init_list;
411 void *elements[QDIO_MAX_ELEMENTS_PER_BUFFER];
412 };
413
414 struct qeth_qdio_buffer_pool {
415 struct list_head entry_list;
416 int buf_count;
417 };
418
419 struct qeth_qdio_buffer {
420 struct qdio_buffer *buffer;
421 /* the buffer pool entry currently associated to this buffer */
422 struct qeth_buffer_pool_entry *pool_entry;
423 struct sk_buff *rx_skb;
424 };
425
426 struct qeth_qdio_q {
427 struct qdio_buffer qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
428 struct qeth_qdio_buffer bufs[QDIO_MAX_BUFFERS_PER_Q];
429 int next_buf_to_init;
430 } __attribute__ ((aligned(256)));
431
432 struct qeth_qdio_out_buffer {
433 struct qdio_buffer *buffer;
434 atomic_t state;
435 int next_element_to_fill;
436 struct sk_buff_head skb_list;
437 int is_header[16];
438
439 struct qaob *aob;
440 struct qeth_qdio_out_q *q;
441 struct qeth_qdio_out_buffer *next_pending;
442 };
443
444 struct qeth_card;
445
446 enum qeth_out_q_states {
447 QETH_OUT_Q_UNLOCKED,
448 QETH_OUT_Q_LOCKED,
449 QETH_OUT_Q_LOCKED_FLUSH,
450 };
451
452 struct qeth_qdio_out_q {
453 struct qdio_buffer qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
454 struct qeth_qdio_out_buffer *bufs[QDIO_MAX_BUFFERS_PER_Q];
455 struct qdio_outbuf_state *bufstates; /* convenience pointer */
456 int queue_no;
457 struct qeth_card *card;
458 atomic_t state;
459 int do_pack;
460 /*
461 * index of buffer to be filled by driver; state EMPTY or PACKING
462 */
463 int next_buf_to_fill;
464 /*
465 * number of buffers that are currently filled (PRIMED)
466 * -> these buffers are hardware-owned
467 */
468 atomic_t used_buffers;
469 /* indicates whether PCI flag must be set (or if one is outstanding) */
470 atomic_t set_pci_flags_count;
471 } __attribute__ ((aligned(256)));
472
473 struct qeth_qdio_info {
474 atomic_t state;
475 /* input */
476 int no_in_queues;
477 struct qeth_qdio_q *in_q;
478 struct qeth_qdio_q *c_q;
479 struct qeth_qdio_buffer_pool in_buf_pool;
480 struct qeth_qdio_buffer_pool init_pool;
481 int in_buf_size;
482
483 /* output */
484 int no_out_queues;
485 struct qeth_qdio_out_q **out_qs;
486 struct qdio_outbuf_state *out_bufstates;
487
488 /* priority queueing */
489 int do_prio_queueing;
490 int default_out_queue;
491 };
492
493 enum qeth_send_errors {
494 QETH_SEND_ERROR_NONE,
495 QETH_SEND_ERROR_LINK_FAILURE,
496 QETH_SEND_ERROR_RETRY,
497 QETH_SEND_ERROR_KICK_IT,
498 };
499
500 #define QETH_ETH_MAC_V4 0x0100 /* like v4 */
501 #define QETH_ETH_MAC_V6 0x3333 /* like v6 */
502 /* tr mc mac is longer, but that will be enough to detect mc frames */
503 #define QETH_TR_MAC_NC 0xc000 /* non-canonical */
504 #define QETH_TR_MAC_C 0x0300 /* canonical */
505
506 #define DEFAULT_ADD_HHLEN 0
507 #define MAX_ADD_HHLEN 1024
508
509 /**
510 * buffer stuff for read channel
511 */
512 #define QETH_CMD_BUFFER_NO 8
513
514 /**
515 * channel state machine
516 */
517 enum qeth_channel_states {
518 CH_STATE_UP,
519 CH_STATE_DOWN,
520 CH_STATE_ACTIVATING,
521 CH_STATE_HALTED,
522 CH_STATE_STOPPED,
523 CH_STATE_RCD,
524 CH_STATE_RCD_DONE,
525 };
526 /**
527 * card state machine
528 */
529 enum qeth_card_states {
530 CARD_STATE_DOWN,
531 CARD_STATE_HARDSETUP,
532 CARD_STATE_SOFTSETUP,
533 CARD_STATE_UP,
534 CARD_STATE_RECOVER,
535 };
536
537 /**
538 * Protocol versions
539 */
540 enum qeth_prot_versions {
541 QETH_PROT_IPV4 = 0x0004,
542 QETH_PROT_IPV6 = 0x0006,
543 };
544
545 enum qeth_ip_types {
546 QETH_IP_TYPE_NORMAL,
547 QETH_IP_TYPE_VIPA,
548 QETH_IP_TYPE_RXIP,
549 QETH_IP_TYPE_DEL_ALL_MC,
550 };
551
552 enum qeth_cmd_buffer_state {
553 BUF_STATE_FREE,
554 BUF_STATE_LOCKED,
555 BUF_STATE_PROCESSED,
556 };
557
558 enum qeth_cq {
559 QETH_CQ_DISABLED = 0,
560 QETH_CQ_ENABLED = 1,
561 QETH_CQ_NOTAVAILABLE = 2,
562 };
563
564 struct qeth_ipato {
565 int enabled;
566 int invert4;
567 int invert6;
568 struct list_head entries;
569 };
570
571 struct qeth_channel;
572
573 struct qeth_cmd_buffer {
574 enum qeth_cmd_buffer_state state;
575 struct qeth_channel *channel;
576 unsigned char *data;
577 int rc;
578 void (*callback) (struct qeth_channel *, struct qeth_cmd_buffer *);
579 };
580
581 /**
582 * definition of a qeth channel, used for read and write
583 */
584 struct qeth_channel {
585 enum qeth_channel_states state;
586 struct ccw1 ccw;
587 spinlock_t iob_lock;
588 wait_queue_head_t wait_q;
589 struct tasklet_struct irq_tasklet;
590 struct ccw_device *ccwdev;
591 /*command buffer for control data*/
592 struct qeth_cmd_buffer iob[QETH_CMD_BUFFER_NO];
593 atomic_t irq_pending;
594 int io_buf_no;
595 int buf_no;
596 };
597
598 /**
599 * OSA card related definitions
600 */
601 struct qeth_token {
602 __u32 issuer_rm_w;
603 __u32 issuer_rm_r;
604 __u32 cm_filter_w;
605 __u32 cm_filter_r;
606 __u32 cm_connection_w;
607 __u32 cm_connection_r;
608 __u32 ulp_filter_w;
609 __u32 ulp_filter_r;
610 __u32 ulp_connection_w;
611 __u32 ulp_connection_r;
612 };
613
614 struct qeth_seqno {
615 __u32 trans_hdr;
616 __u32 pdu_hdr;
617 __u32 pdu_hdr_ack;
618 __u16 ipa;
619 __u32 pkt_seqno;
620 };
621
622 struct qeth_reply {
623 struct list_head list;
624 wait_queue_head_t wait_q;
625 int (*callback)(struct qeth_card *, struct qeth_reply *,
626 unsigned long);
627 u32 seqno;
628 unsigned long offset;
629 atomic_t received;
630 int rc;
631 void *param;
632 struct qeth_card *card;
633 atomic_t refcnt;
634 };
635
636
637 struct qeth_card_blkt {
638 int time_total;
639 int inter_packet;
640 int inter_packet_jumbo;
641 };
642
643 #define QETH_BROADCAST_WITH_ECHO 0x01
644 #define QETH_BROADCAST_WITHOUT_ECHO 0x02
645 #define QETH_LAYER2_MAC_READ 0x01
646 #define QETH_LAYER2_MAC_REGISTERED 0x02
647 struct qeth_card_info {
648 unsigned short unit_addr2;
649 unsigned short cula;
650 unsigned short chpid;
651 __u16 func_level;
652 char mcl_level[QETH_MCL_LENGTH + 1];
653 int guestlan;
654 int mac_bits;
655 int portname_required;
656 int portno;
657 char portname[9];
658 enum qeth_card_types type;
659 enum qeth_link_types link_type;
660 int is_multicast_different;
661 int initial_mtu;
662 int max_mtu;
663 int broadcast_capable;
664 int unique_id;
665 struct qeth_card_blkt blkt;
666 __u32 csum_mask;
667 __u32 tx_csum_mask;
668 enum qeth_ipa_promisc_modes promisc_mode;
669 __u32 diagass_support;
670 __u32 hwtrap;
671 };
672
673 struct qeth_card_options {
674 struct qeth_routing_info route4;
675 struct qeth_ipa_info ipa4;
676 struct qeth_ipa_info adp; /*Adapter parameters*/
677 struct qeth_routing_info route6;
678 struct qeth_ipa_info ipa6;
679 int broadcast_mode;
680 int macaddr_mode;
681 int fake_broadcast;
682 int add_hhlen;
683 int layer2;
684 int performance_stats;
685 int rx_sg_cb;
686 enum qeth_ipa_isolation_modes isolation;
687 int sniffer;
688 enum qeth_cq cq;
689 char hsuid[9];
690 };
691
692 /*
693 * thread bits for qeth_card thread masks
694 */
695 enum qeth_threads {
696 QETH_RECOVER_THREAD = 1,
697 };
698
699 struct qeth_osn_info {
700 int (*assist_cb)(struct net_device *dev, void *data);
701 int (*data_cb)(struct sk_buff *skb);
702 };
703
704 enum qeth_discipline_id {
705 QETH_DISCIPLINE_LAYER3 = 0,
706 QETH_DISCIPLINE_LAYER2 = 1,
707 };
708
709 struct qeth_discipline {
710 void (*start_poll)(struct ccw_device *, int, unsigned long);
711 qdio_handler_t *input_handler;
712 qdio_handler_t *output_handler;
713 int (*recover)(void *ptr);
714 struct ccwgroup_driver *ccwgdriver;
715 };
716
717 struct qeth_vlan_vid {
718 struct list_head list;
719 unsigned short vid;
720 };
721
722 struct qeth_mc_mac {
723 struct list_head list;
724 __u8 mc_addr[MAX_ADDR_LEN];
725 unsigned char mc_addrlen;
726 int is_vmac;
727 };
728
729 struct qeth_rx {
730 int b_count;
731 int b_index;
732 struct qdio_buffer_element *b_element;
733 int e_offset;
734 int qdio_err;
735 };
736
737 #define QETH_NAPI_WEIGHT 128
738
739 struct qeth_card {
740 struct list_head list;
741 enum qeth_card_states state;
742 int lan_online;
743 spinlock_t lock;
744 struct ccwgroup_device *gdev;
745 struct qeth_channel read;
746 struct qeth_channel write;
747 struct qeth_channel data;
748
749 struct net_device *dev;
750 struct net_device_stats stats;
751
752 struct qeth_card_info info;
753 struct qeth_token token;
754 struct qeth_seqno seqno;
755 struct qeth_card_options options;
756
757 wait_queue_head_t wait_q;
758 spinlock_t vlanlock;
759 spinlock_t mclock;
760 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
761 struct list_head vid_list;
762 struct list_head mc_list;
763 struct work_struct kernel_thread_starter;
764 spinlock_t thread_mask_lock;
765 unsigned long thread_start_mask;
766 unsigned long thread_allowed_mask;
767 unsigned long thread_running_mask;
768 spinlock_t ip_lock;
769 struct list_head ip_list;
770 struct list_head *ip_tbd_list;
771 struct qeth_ipato ipato;
772 struct list_head cmd_waiter_list;
773 /* QDIO buffer handling */
774 struct qeth_qdio_info qdio;
775 struct qeth_perf_stats perf_stats;
776 int read_or_write_problem;
777 struct qeth_osn_info osn_info;
778 struct qeth_discipline discipline;
779 atomic_t force_alloc_skb;
780 struct service_level qeth_service_level;
781 struct qdio_ssqd_desc ssqd;
782 debug_info_t *debug;
783 struct mutex conf_mutex;
784 struct mutex discipline_mutex;
785 struct napi_struct napi;
786 struct qeth_rx rx;
787 struct delayed_work buffer_reclaim_work;
788 int reclaim_index;
789 };
790
791 struct qeth_card_list_struct {
792 struct list_head list;
793 rwlock_t rwlock;
794 };
795
796 struct qeth_trap_id {
797 __u16 lparnr;
798 char vmname[8];
799 __u8 chpid;
800 __u8 ssid;
801 __u16 devno;
802 } __packed;
803
804 /*some helper functions*/
805 #define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "")
806
CARD_FROM_CDEV(struct ccw_device * cdev)807 static inline struct qeth_card *CARD_FROM_CDEV(struct ccw_device *cdev)
808 {
809 struct qeth_card *card = dev_get_drvdata(&((struct ccwgroup_device *)
810 dev_get_drvdata(&cdev->dev))->dev);
811 return card;
812 }
813
qeth_get_micros(void)814 static inline int qeth_get_micros(void)
815 {
816 return (int) (get_clock() >> 12);
817 }
818
qeth_get_ip_version(struct sk_buff * skb)819 static inline int qeth_get_ip_version(struct sk_buff *skb)
820 {
821 struct ethhdr *ehdr = (struct ethhdr *)skb->data;
822 switch (ehdr->h_proto) {
823 case ETH_P_IPV6:
824 return 6;
825 case ETH_P_IP:
826 return 4;
827 default:
828 return 0;
829 }
830 }
831
qeth_put_buffer_pool_entry(struct qeth_card * card,struct qeth_buffer_pool_entry * entry)832 static inline void qeth_put_buffer_pool_entry(struct qeth_card *card,
833 struct qeth_buffer_pool_entry *entry)
834 {
835 list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list);
836 }
837
qeth_is_diagass_supported(struct qeth_card * card,enum qeth_diags_cmds cmd)838 static inline int qeth_is_diagass_supported(struct qeth_card *card,
839 enum qeth_diags_cmds cmd)
840 {
841 return card->info.diagass_support & (__u32)cmd;
842 }
843
844 extern struct ccwgroup_driver qeth_l2_ccwgroup_driver;
845 extern struct ccwgroup_driver qeth_l3_ccwgroup_driver;
846 const char *qeth_get_cardname_short(struct qeth_card *);
847 int qeth_realloc_buffer_pool(struct qeth_card *, int);
848 int qeth_core_load_discipline(struct qeth_card *, enum qeth_discipline_id);
849 void qeth_core_free_discipline(struct qeth_card *);
850 int qeth_core_create_device_attributes(struct device *);
851 void qeth_core_remove_device_attributes(struct device *);
852 int qeth_core_create_osn_attributes(struct device *);
853 void qeth_core_remove_osn_attributes(struct device *);
854 void qeth_buffer_reclaim_work(struct work_struct *);
855
856 /* exports for qeth discipline device drivers */
857 extern struct qeth_card_list_struct qeth_core_card_list;
858 extern struct kmem_cache *qeth_core_header_cache;
859 extern struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS];
860
861 void qeth_set_allowed_threads(struct qeth_card *, unsigned long , int);
862 int qeth_threads_running(struct qeth_card *, unsigned long);
863 int qeth_wait_for_threads(struct qeth_card *, unsigned long);
864 int qeth_do_run_thread(struct qeth_card *, unsigned long);
865 void qeth_clear_thread_start_bit(struct qeth_card *, unsigned long);
866 void qeth_clear_thread_running_bit(struct qeth_card *, unsigned long);
867 int qeth_core_hardsetup_card(struct qeth_card *);
868 void qeth_print_status_message(struct qeth_card *);
869 int qeth_init_qdio_queues(struct qeth_card *);
870 int qeth_send_startlan(struct qeth_card *);
871 int qeth_send_stoplan(struct qeth_card *);
872 int qeth_send_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *,
873 int (*reply_cb)
874 (struct qeth_card *, struct qeth_reply *, unsigned long),
875 void *);
876 struct qeth_cmd_buffer *qeth_get_ipacmd_buffer(struct qeth_card *,
877 enum qeth_ipa_cmds, enum qeth_prot_versions);
878 int qeth_query_setadapterparms(struct qeth_card *);
879 int qeth_check_qdio_errors(struct qeth_card *, struct qdio_buffer *,
880 unsigned int, const char *);
881 void qeth_queue_input_buffer(struct qeth_card *, int);
882 struct sk_buff *qeth_core_get_next_skb(struct qeth_card *,
883 struct qeth_qdio_buffer *, struct qdio_buffer_element **, int *,
884 struct qeth_hdr **);
885 void qeth_schedule_recovery(struct qeth_card *);
886 void qeth_qdio_start_poll(struct ccw_device *, int, unsigned long);
887 void qeth_qdio_input_handler(struct ccw_device *,
888 unsigned int, unsigned int, int,
889 int, unsigned long);
890 void qeth_qdio_output_handler(struct ccw_device *, unsigned int,
891 int, int, int, unsigned long);
892 void qeth_clear_ipacmd_list(struct qeth_card *);
893 int qeth_qdio_clear_card(struct qeth_card *, int);
894 void qeth_clear_working_pool_list(struct qeth_card *);
895 void qeth_clear_cmd_buffers(struct qeth_channel *);
896 void qeth_clear_qdio_buffers(struct qeth_card *);
897 void qeth_setadp_promisc_mode(struct qeth_card *);
898 struct net_device_stats *qeth_get_stats(struct net_device *);
899 int qeth_change_mtu(struct net_device *, int);
900 int qeth_setadpparms_change_macaddr(struct qeth_card *);
901 void qeth_tx_timeout(struct net_device *);
902 void qeth_prepare_control_data(struct qeth_card *, int,
903 struct qeth_cmd_buffer *);
904 void qeth_release_buffer(struct qeth_channel *, struct qeth_cmd_buffer *);
905 void qeth_prepare_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, char);
906 struct qeth_cmd_buffer *qeth_wait_for_buffer(struct qeth_channel *);
907 int qeth_mdio_read(struct net_device *, int, int);
908 int qeth_snmp_command(struct qeth_card *, char __user *);
909 int qeth_query_oat_command(struct qeth_card *, char __user *);
910 struct qeth_cmd_buffer *qeth_get_adapter_cmd(struct qeth_card *, __u32, __u32);
911 int qeth_default_setadapterparms_cb(struct qeth_card *, struct qeth_reply *,
912 unsigned long);
913 int qeth_send_control_data(struct qeth_card *, int, struct qeth_cmd_buffer *,
914 int (*reply_cb)(struct qeth_card *, struct qeth_reply*, unsigned long),
915 void *reply_param);
916 int qeth_get_priority_queue(struct qeth_card *, struct sk_buff *, int, int);
917 int qeth_get_elements_no(struct qeth_card *, void *, struct sk_buff *, int);
918 int qeth_do_send_packet_fast(struct qeth_card *, struct qeth_qdio_out_q *,
919 struct sk_buff *, struct qeth_hdr *, int, int, int);
920 int qeth_do_send_packet(struct qeth_card *, struct qeth_qdio_out_q *,
921 struct sk_buff *, struct qeth_hdr *, int);
922 int qeth_core_get_sset_count(struct net_device *, int);
923 void qeth_core_get_ethtool_stats(struct net_device *,
924 struct ethtool_stats *, u64 *);
925 void qeth_core_get_strings(struct net_device *, u32, u8 *);
926 void qeth_core_get_drvinfo(struct net_device *, struct ethtool_drvinfo *);
927 void qeth_dbf_longtext(debug_info_t *id, int level, char *text, ...);
928 int qeth_core_ethtool_get_settings(struct net_device *, struct ethtool_cmd *);
929 int qeth_set_access_ctrl_online(struct qeth_card *card);
930 int qeth_hdr_chk_and_bounce(struct sk_buff *, int);
931 int qeth_configure_cq(struct qeth_card *, enum qeth_cq);
932 int qeth_hw_trap(struct qeth_card *, enum qeth_diags_trap_action);
933 int qeth_query_ipassists(struct qeth_card *, enum qeth_prot_versions prot);
934
935 /* exports for OSN */
936 int qeth_osn_assist(struct net_device *, void *, int);
937 int qeth_osn_register(unsigned char *read_dev_no, struct net_device **,
938 int (*assist_cb)(struct net_device *, void *),
939 int (*data_cb)(struct sk_buff *));
940 void qeth_osn_deregister(struct net_device *);
941
942 #endif /* __QETH_CORE_H__ */
943