1 /*
2 * Copyright IBM Corp. 2007
3 * Author(s): Utz Bacher <utz.bacher@de.ibm.com>,
4 * Frank Pavlic <fpavlic@de.ibm.com>,
5 * Thomas Spatzier <tspat@de.ibm.com>,
6 * Frank Blaschka <frank.blaschka@de.ibm.com>
7 */
8
9 #ifndef __QETH_CORE_H__
10 #define __QETH_CORE_H__
11
12 #include <linux/if.h>
13 #include <linux/if_arp.h>
14 #include <linux/etherdevice.h>
15 #include <linux/if_vlan.h>
16 #include <linux/ctype.h>
17 #include <linux/in6.h>
18 #include <linux/bitops.h>
19 #include <linux/seq_file.h>
20 #include <linux/ethtool.h>
21 #include <linux/hashtable.h>
22
23 #include <net/ipv6.h>
24 #include <net/if_inet6.h>
25 #include <net/addrconf.h>
26
27 #include <asm/debug.h>
28 #include <asm/qdio.h>
29 #include <asm/ccwdev.h>
30 #include <asm/ccwgroup.h>
31 #include <asm/sysinfo.h>
32
33 #include "qeth_core_mpc.h"
34
35 /**
36 * Debug Facility stuff
37 */
38 enum qeth_dbf_names {
39 QETH_DBF_SETUP,
40 QETH_DBF_MSG,
41 QETH_DBF_CTRL,
42 QETH_DBF_INFOS /* must be last element */
43 };
44
45 struct qeth_dbf_info {
46 char name[DEBUG_MAX_NAME_LEN];
47 int pages;
48 int areas;
49 int len;
50 int level;
51 struct debug_view *view;
52 debug_info_t *id;
53 };
54
55 #define QETH_DBF_CTRL_LEN 256
56
57 #define QETH_DBF_TEXT(name, level, text) \
58 debug_text_event(qeth_dbf[QETH_DBF_##name].id, level, text)
59
60 #define QETH_DBF_HEX(name, level, addr, len) \
61 debug_event(qeth_dbf[QETH_DBF_##name].id, level, (void *)(addr), len)
62
63 #define QETH_DBF_MESSAGE(level, text...) \
64 debug_sprintf_event(qeth_dbf[QETH_DBF_MSG].id, level, text)
65
66 #define QETH_DBF_TEXT_(name, level, text...) \
67 qeth_dbf_longtext(qeth_dbf[QETH_DBF_##name].id, level, text)
68
69 #define QETH_CARD_TEXT(card, level, text) \
70 debug_text_event(card->debug, level, text)
71
72 #define QETH_CARD_HEX(card, level, addr, len) \
73 debug_event(card->debug, level, (void *)(addr), len)
74
75 #define QETH_CARD_MESSAGE(card, text...) \
76 debug_sprintf_event(card->debug, level, text)
77
78 #define QETH_CARD_TEXT_(card, level, text...) \
79 qeth_dbf_longtext(card->debug, level, text)
80
81 #define SENSE_COMMAND_REJECT_BYTE 0
82 #define SENSE_COMMAND_REJECT_FLAG 0x80
83 #define SENSE_RESETTING_EVENT_BYTE 1
84 #define SENSE_RESETTING_EVENT_FLAG 0x80
85
86 /*
87 * Common IO related definitions
88 */
89 #define CARD_RDEV(card) card->read.ccwdev
90 #define CARD_WDEV(card) card->write.ccwdev
91 #define CARD_DDEV(card) card->data.ccwdev
92 #define CARD_BUS_ID(card) dev_name(&card->gdev->dev)
93 #define CARD_RDEV_ID(card) dev_name(&card->read.ccwdev->dev)
94 #define CARD_WDEV_ID(card) dev_name(&card->write.ccwdev->dev)
95 #define CARD_DDEV_ID(card) dev_name(&card->data.ccwdev->dev)
96 #define CHANNEL_ID(channel) dev_name(&channel->ccwdev->dev)
97
98 /**
99 * card stuff
100 */
101 struct qeth_perf_stats {
102 unsigned int bufs_rec;
103 unsigned int bufs_sent;
104
105 unsigned int skbs_sent_pack;
106 unsigned int bufs_sent_pack;
107
108 unsigned int sc_dp_p;
109 unsigned int sc_p_dp;
110 /* qdio_cq_handler: number of times called, time spent in */
111 __u64 cq_start_time;
112 unsigned int cq_cnt;
113 unsigned int cq_time;
114 /* qdio_input_handler: number of times called, time spent in */
115 __u64 inbound_start_time;
116 unsigned int inbound_cnt;
117 unsigned int inbound_time;
118 /* qeth_send_packet: number of times called, time spent in */
119 __u64 outbound_start_time;
120 unsigned int outbound_cnt;
121 unsigned int outbound_time;
122 /* qdio_output_handler: number of times called, time spent in */
123 __u64 outbound_handler_start_time;
124 unsigned int outbound_handler_cnt;
125 unsigned int outbound_handler_time;
126 /* number of calls to and time spent in do_QDIO for inbound queue */
127 __u64 inbound_do_qdio_start_time;
128 unsigned int inbound_do_qdio_cnt;
129 unsigned int inbound_do_qdio_time;
130 /* number of calls to and time spent in do_QDIO for outbound queues */
131 __u64 outbound_do_qdio_start_time;
132 unsigned int outbound_do_qdio_cnt;
133 unsigned int outbound_do_qdio_time;
134 unsigned int large_send_bytes;
135 unsigned int large_send_cnt;
136 unsigned int sg_skbs_sent;
137 unsigned int sg_frags_sent;
138 /* initial values when measuring starts */
139 unsigned long initial_rx_packets;
140 unsigned long initial_tx_packets;
141 /* inbound scatter gather data */
142 unsigned int sg_skbs_rx;
143 unsigned int sg_frags_rx;
144 unsigned int sg_alloc_page_rx;
145 unsigned int tx_csum;
146 unsigned int tx_lin;
147 };
148
149 /* Routing stuff */
150 struct qeth_routing_info {
151 enum qeth_routing_types type;
152 };
153
154 /* IPA stuff */
155 struct qeth_ipa_info {
156 __u32 supported_funcs;
157 __u32 enabled_funcs;
158 };
159
160 /* SETBRIDGEPORT stuff */
161 enum qeth_sbp_roles {
162 QETH_SBP_ROLE_NONE = 0,
163 QETH_SBP_ROLE_PRIMARY = 1,
164 QETH_SBP_ROLE_SECONDARY = 2,
165 };
166
167 enum qeth_sbp_states {
168 QETH_SBP_STATE_INACTIVE = 0,
169 QETH_SBP_STATE_STANDBY = 1,
170 QETH_SBP_STATE_ACTIVE = 2,
171 };
172
173 #define QETH_SBP_HOST_NOTIFICATION 1
174
175 struct qeth_sbp_info {
176 __u32 supported_funcs;
177 enum qeth_sbp_roles role;
178 __u32 hostnotification:1;
179 __u32 reflect_promisc:1;
180 __u32 reflect_promisc_primary:1;
181 };
182
qeth_is_ipa_supported(struct qeth_ipa_info * ipa,enum qeth_ipa_funcs func)183 static inline int qeth_is_ipa_supported(struct qeth_ipa_info *ipa,
184 enum qeth_ipa_funcs func)
185 {
186 return (ipa->supported_funcs & func);
187 }
188
qeth_is_ipa_enabled(struct qeth_ipa_info * ipa,enum qeth_ipa_funcs func)189 static inline int qeth_is_ipa_enabled(struct qeth_ipa_info *ipa,
190 enum qeth_ipa_funcs func)
191 {
192 return (ipa->supported_funcs & ipa->enabled_funcs & func);
193 }
194
195 #define qeth_adp_supported(c, f) \
196 qeth_is_ipa_supported(&c->options.adp, f)
197 #define qeth_adp_enabled(c, f) \
198 qeth_is_ipa_enabled(&c->options.adp, f)
199 #define qeth_is_supported(c, f) \
200 qeth_is_ipa_supported(&c->options.ipa4, f)
201 #define qeth_is_enabled(c, f) \
202 qeth_is_ipa_enabled(&c->options.ipa4, f)
203 #define qeth_is_supported6(c, f) \
204 qeth_is_ipa_supported(&c->options.ipa6, f)
205 #define qeth_is_enabled6(c, f) \
206 qeth_is_ipa_enabled(&c->options.ipa6, f)
207 #define qeth_is_ipafunc_supported(c, prot, f) \
208 ((prot == QETH_PROT_IPV6) ? \
209 qeth_is_supported6(c, f) : qeth_is_supported(c, f))
210 #define qeth_is_ipafunc_enabled(c, prot, f) \
211 ((prot == QETH_PROT_IPV6) ? \
212 qeth_is_enabled6(c, f) : qeth_is_enabled(c, f))
213
214 #define QETH_IDX_FUNC_LEVEL_OSD 0x0101
215 #define QETH_IDX_FUNC_LEVEL_IQD 0x4108
216
217 #define QETH_MODELLIST_ARRAY \
218 {{0x1731, 0x01, 0x1732, QETH_CARD_TYPE_OSD, QETH_MAX_QUEUES, 0}, \
219 {0x1731, 0x05, 0x1732, QETH_CARD_TYPE_IQD, QETH_MAX_QUEUES, 0x103}, \
220 {0x1731, 0x06, 0x1732, QETH_CARD_TYPE_OSN, QETH_MAX_QUEUES, 0}, \
221 {0x1731, 0x02, 0x1732, QETH_CARD_TYPE_OSM, QETH_MAX_QUEUES, 0}, \
222 {0x1731, 0x02, 0x1732, QETH_CARD_TYPE_OSX, QETH_MAX_QUEUES, 0}, \
223 {0, 0, 0, 0, 0, 0} }
224 #define QETH_CU_TYPE_IND 0
225 #define QETH_CU_MODEL_IND 1
226 #define QETH_DEV_TYPE_IND 2
227 #define QETH_DEV_MODEL_IND 3
228 #define QETH_QUEUE_NO_IND 4
229 #define QETH_MULTICAST_IND 5
230
231 #define QETH_REAL_CARD 1
232 #define QETH_VLAN_CARD 2
233 #define QETH_BUFSIZE 4096
234
235 /**
236 * some more defs
237 */
238 #define QETH_TX_TIMEOUT 100 * HZ
239 #define QETH_RCD_TIMEOUT 60 * HZ
240 #define QETH_RECLAIM_WORK_TIME HZ
241 #define QETH_HEADER_SIZE 32
242 #define QETH_MAX_PORTNO 15
243
244 /*IPv6 address autoconfiguration stuff*/
245 #define UNIQUE_ID_IF_CREATE_ADDR_FAILED 0xfffe
246 #define UNIQUE_ID_NOT_BY_CARD 0x10000
247
248 /*****************************************************************************/
249 /* QDIO queue and buffer handling */
250 /*****************************************************************************/
251 #define QETH_MAX_QUEUES 4
252 #define QETH_IN_BUF_SIZE_DEFAULT 65536
253 #define QETH_IN_BUF_COUNT_DEFAULT 64
254 #define QETH_IN_BUF_COUNT_HSDEFAULT 128
255 #define QETH_IN_BUF_COUNT_MIN 8
256 #define QETH_IN_BUF_COUNT_MAX 128
257 #define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12)
258 #define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \
259 ((card)->qdio.in_buf_pool.buf_count / 2)
260
261 /* buffers we have to be behind before we get a PCI */
262 #define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1)
263 /*enqueued free buffers left before we get a PCI*/
264 #define QETH_PCI_THRESHOLD_B(card) 0
265 /*not used unless the microcode gets patched*/
266 #define QETH_PCI_TIMER_VALUE(card) 3
267
268 /* priority queing */
269 #define QETH_PRIOQ_DEFAULT QETH_NO_PRIO_QUEUEING
270 #define QETH_DEFAULT_QUEUE 2
271 #define QETH_NO_PRIO_QUEUEING 0
272 #define QETH_PRIO_Q_ING_PREC 1
273 #define QETH_PRIO_Q_ING_TOS 2
274 #define QETH_PRIO_Q_ING_SKB 3
275 #define QETH_PRIO_Q_ING_VLAN 4
276
277 /* Packing */
278 #define QETH_LOW_WATERMARK_PACK 2
279 #define QETH_HIGH_WATERMARK_PACK 5
280 #define QETH_WATERMARK_PACK_FUZZ 1
281
282 #define QETH_IP_HEADER_SIZE 40
283
284 /* large receive scatter gather copy break */
285 #define QETH_RX_SG_CB (PAGE_SIZE >> 1)
286 #define QETH_RX_PULL_LEN 256
287
288 struct qeth_hdr_layer3 {
289 __u8 id;
290 __u8 flags;
291 __u16 inbound_checksum; /*TSO:__u16 seqno */
292 __u32 token; /*TSO: __u32 reserved */
293 __u16 length;
294 __u8 vlan_prio;
295 __u8 ext_flags;
296 __u16 vlan_id;
297 __u16 frame_offset;
298 __u8 dest_addr[16];
299 } __attribute__ ((packed));
300
301 struct qeth_hdr_layer2 {
302 __u8 id;
303 __u8 flags[3];
304 __u8 port_no;
305 __u8 hdr_length;
306 __u16 pkt_length;
307 __u16 seq_no;
308 __u16 vlan_id;
309 __u32 reserved;
310 __u8 reserved2[16];
311 } __attribute__ ((packed));
312
313 struct qeth_hdr_osn {
314 __u8 id;
315 __u8 reserved;
316 __u16 seq_no;
317 __u16 reserved2;
318 __u16 control_flags;
319 __u16 pdu_length;
320 __u8 reserved3[18];
321 __u32 ccid;
322 } __attribute__ ((packed));
323
324 struct qeth_hdr {
325 union {
326 struct qeth_hdr_layer2 l2;
327 struct qeth_hdr_layer3 l3;
328 struct qeth_hdr_osn osn;
329 } hdr;
330 } __attribute__ ((packed));
331
332 /*TCP Segmentation Offload header*/
333 struct qeth_hdr_ext_tso {
334 __u16 hdr_tot_len;
335 __u8 imb_hdr_no;
336 __u8 reserved;
337 __u8 hdr_type;
338 __u8 hdr_version;
339 __u16 hdr_len;
340 __u32 payload_len;
341 __u16 mss;
342 __u16 dg_hdr_len;
343 __u8 padding[16];
344 } __attribute__ ((packed));
345
346 struct qeth_hdr_tso {
347 struct qeth_hdr hdr; /*hdr->hdr.l3.xxx*/
348 struct qeth_hdr_ext_tso ext;
349 } __attribute__ ((packed));
350
351
352 /* flags for qeth_hdr.flags */
353 #define QETH_HDR_PASSTHRU 0x10
354 #define QETH_HDR_IPV6 0x80
355 #define QETH_HDR_CAST_MASK 0x07
356 enum qeth_cast_flags {
357 QETH_CAST_UNICAST = 0x06,
358 QETH_CAST_MULTICAST = 0x04,
359 QETH_CAST_BROADCAST = 0x05,
360 QETH_CAST_ANYCAST = 0x07,
361 QETH_CAST_NOCAST = 0x00,
362 };
363
364 enum qeth_layer2_frame_flags {
365 QETH_LAYER2_FLAG_MULTICAST = 0x01,
366 QETH_LAYER2_FLAG_BROADCAST = 0x02,
367 QETH_LAYER2_FLAG_UNICAST = 0x04,
368 QETH_LAYER2_FLAG_VLAN = 0x10,
369 };
370
371 enum qeth_header_ids {
372 QETH_HEADER_TYPE_LAYER3 = 0x01,
373 QETH_HEADER_TYPE_LAYER2 = 0x02,
374 QETH_HEADER_TYPE_TSO = 0x03,
375 QETH_HEADER_TYPE_OSN = 0x04,
376 };
377 /* flags for qeth_hdr.ext_flags */
378 #define QETH_HDR_EXT_VLAN_FRAME 0x01
379 #define QETH_HDR_EXT_TOKEN_ID 0x02
380 #define QETH_HDR_EXT_INCLUDE_VLAN_TAG 0x04
381 #define QETH_HDR_EXT_SRC_MAC_ADDR 0x08
382 #define QETH_HDR_EXT_CSUM_HDR_REQ 0x10
383 #define QETH_HDR_EXT_CSUM_TRANSP_REQ 0x20
384 #define QETH_HDR_EXT_UDP 0x40 /*bit off for TCP*/
385
386 enum qeth_qdio_buffer_states {
387 /*
388 * inbound: read out by driver; owned by hardware in order to be filled
389 * outbound: owned by driver in order to be filled
390 */
391 QETH_QDIO_BUF_EMPTY,
392 /*
393 * inbound: filled by hardware; owned by driver in order to be read out
394 * outbound: filled by driver; owned by hardware in order to be sent
395 */
396 QETH_QDIO_BUF_PRIMED,
397 /*
398 * inbound: not applicable
399 * outbound: identified to be pending in TPQ
400 */
401 QETH_QDIO_BUF_PENDING,
402 /*
403 * inbound: not applicable
404 * outbound: found in completion queue
405 */
406 QETH_QDIO_BUF_IN_CQ,
407 /*
408 * inbound: not applicable
409 * outbound: handled via transfer pending / completion queue
410 */
411 QETH_QDIO_BUF_HANDLED_DELAYED,
412 };
413
414 enum qeth_qdio_info_states {
415 QETH_QDIO_UNINITIALIZED,
416 QETH_QDIO_ALLOCATED,
417 QETH_QDIO_ESTABLISHED,
418 QETH_QDIO_CLEANING
419 };
420
421 struct qeth_buffer_pool_entry {
422 struct list_head list;
423 struct list_head init_list;
424 void *elements[QDIO_MAX_ELEMENTS_PER_BUFFER];
425 };
426
427 struct qeth_qdio_buffer_pool {
428 struct list_head entry_list;
429 int buf_count;
430 };
431
432 struct qeth_qdio_buffer {
433 struct qdio_buffer *buffer;
434 /* the buffer pool entry currently associated to this buffer */
435 struct qeth_buffer_pool_entry *pool_entry;
436 struct sk_buff *rx_skb;
437 };
438
439 struct qeth_qdio_q {
440 struct qdio_buffer *qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
441 struct qeth_qdio_buffer bufs[QDIO_MAX_BUFFERS_PER_Q];
442 int next_buf_to_init;
443 };
444
445 struct qeth_qdio_out_buffer {
446 struct qdio_buffer *buffer;
447 atomic_t state;
448 int next_element_to_fill;
449 struct sk_buff_head skb_list;
450 int is_header[16];
451
452 struct qaob *aob;
453 struct qeth_qdio_out_q *q;
454 struct qeth_qdio_out_buffer *next_pending;
455 };
456
457 struct qeth_card;
458
459 enum qeth_out_q_states {
460 QETH_OUT_Q_UNLOCKED,
461 QETH_OUT_Q_LOCKED,
462 QETH_OUT_Q_LOCKED_FLUSH,
463 };
464
465 struct qeth_qdio_out_q {
466 struct qdio_buffer *qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
467 struct qeth_qdio_out_buffer *bufs[QDIO_MAX_BUFFERS_PER_Q];
468 struct qdio_outbuf_state *bufstates; /* convenience pointer */
469 int queue_no;
470 struct qeth_card *card;
471 atomic_t state;
472 int do_pack;
473 /*
474 * index of buffer to be filled by driver; state EMPTY or PACKING
475 */
476 int next_buf_to_fill;
477 /*
478 * number of buffers that are currently filled (PRIMED)
479 * -> these buffers are hardware-owned
480 */
481 atomic_t used_buffers;
482 /* indicates whether PCI flag must be set (or if one is outstanding) */
483 atomic_t set_pci_flags_count;
484 };
485
486 struct qeth_qdio_info {
487 atomic_t state;
488 /* input */
489 int no_in_queues;
490 struct qeth_qdio_q *in_q;
491 struct qeth_qdio_q *c_q;
492 struct qeth_qdio_buffer_pool in_buf_pool;
493 struct qeth_qdio_buffer_pool init_pool;
494 int in_buf_size;
495
496 /* output */
497 int no_out_queues;
498 struct qeth_qdio_out_q **out_qs;
499 struct qdio_outbuf_state *out_bufstates;
500
501 /* priority queueing */
502 int do_prio_queueing;
503 int default_out_queue;
504 };
505
506 enum qeth_send_errors {
507 QETH_SEND_ERROR_NONE,
508 QETH_SEND_ERROR_LINK_FAILURE,
509 QETH_SEND_ERROR_RETRY,
510 QETH_SEND_ERROR_KICK_IT,
511 };
512
513 #define QETH_ETH_MAC_V4 0x0100 /* like v4 */
514 #define QETH_ETH_MAC_V6 0x3333 /* like v6 */
515 /* tr mc mac is longer, but that will be enough to detect mc frames */
516 #define QETH_TR_MAC_NC 0xc000 /* non-canonical */
517 #define QETH_TR_MAC_C 0x0300 /* canonical */
518
519 #define DEFAULT_ADD_HHLEN 0
520 #define MAX_ADD_HHLEN 1024
521
522 /**
523 * buffer stuff for read channel
524 */
525 #define QETH_CMD_BUFFER_NO 8
526
527 /**
528 * channel state machine
529 */
530 enum qeth_channel_states {
531 CH_STATE_UP,
532 CH_STATE_DOWN,
533 CH_STATE_ACTIVATING,
534 CH_STATE_HALTED,
535 CH_STATE_STOPPED,
536 CH_STATE_RCD,
537 CH_STATE_RCD_DONE,
538 };
539 /**
540 * card state machine
541 */
542 enum qeth_card_states {
543 CARD_STATE_DOWN,
544 CARD_STATE_HARDSETUP,
545 CARD_STATE_SOFTSETUP,
546 CARD_STATE_UP,
547 CARD_STATE_RECOVER,
548 };
549
550 /**
551 * Protocol versions
552 */
553 enum qeth_prot_versions {
554 QETH_PROT_IPV4 = 0x0004,
555 QETH_PROT_IPV6 = 0x0006,
556 };
557
558 enum qeth_ip_types {
559 QETH_IP_TYPE_NORMAL,
560 QETH_IP_TYPE_VIPA,
561 QETH_IP_TYPE_RXIP,
562 QETH_IP_TYPE_DEL_ALL_MC,
563 };
564
565 enum qeth_cmd_buffer_state {
566 BUF_STATE_FREE,
567 BUF_STATE_LOCKED,
568 BUF_STATE_PROCESSED,
569 };
570
571 enum qeth_cq {
572 QETH_CQ_DISABLED = 0,
573 QETH_CQ_ENABLED = 1,
574 QETH_CQ_NOTAVAILABLE = 2,
575 };
576
577 struct qeth_ipato {
578 int enabled;
579 int invert4;
580 int invert6;
581 struct list_head entries;
582 };
583
584 struct qeth_channel;
585
586 struct qeth_cmd_buffer {
587 enum qeth_cmd_buffer_state state;
588 struct qeth_channel *channel;
589 unsigned char *data;
590 int rc;
591 void (*callback) (struct qeth_channel *, struct qeth_cmd_buffer *);
592 };
593
__ipa_cmd(struct qeth_cmd_buffer * iob)594 static inline struct qeth_ipa_cmd *__ipa_cmd(struct qeth_cmd_buffer *iob)
595 {
596 return (struct qeth_ipa_cmd *)(iob->data + IPA_PDU_HEADER_SIZE);
597 }
598
599 /**
600 * definition of a qeth channel, used for read and write
601 */
602 struct qeth_channel {
603 enum qeth_channel_states state;
604 struct ccw1 ccw;
605 spinlock_t iob_lock;
606 wait_queue_head_t wait_q;
607 struct ccw_device *ccwdev;
608 /*command buffer for control data*/
609 struct qeth_cmd_buffer iob[QETH_CMD_BUFFER_NO];
610 atomic_t irq_pending;
611 int io_buf_no;
612 int buf_no;
613 };
614
615 /**
616 * OSA card related definitions
617 */
618 struct qeth_token {
619 __u32 issuer_rm_w;
620 __u32 issuer_rm_r;
621 __u32 cm_filter_w;
622 __u32 cm_filter_r;
623 __u32 cm_connection_w;
624 __u32 cm_connection_r;
625 __u32 ulp_filter_w;
626 __u32 ulp_filter_r;
627 __u32 ulp_connection_w;
628 __u32 ulp_connection_r;
629 };
630
631 struct qeth_seqno {
632 __u32 trans_hdr;
633 __u32 pdu_hdr;
634 __u32 pdu_hdr_ack;
635 __u16 ipa;
636 __u32 pkt_seqno;
637 };
638
639 struct qeth_reply {
640 struct list_head list;
641 wait_queue_head_t wait_q;
642 int (*callback)(struct qeth_card *, struct qeth_reply *,
643 unsigned long);
644 u32 seqno;
645 unsigned long offset;
646 atomic_t received;
647 int rc;
648 void *param;
649 struct qeth_card *card;
650 atomic_t refcnt;
651 };
652
653
654 struct qeth_card_blkt {
655 int time_total;
656 int inter_packet;
657 int inter_packet_jumbo;
658 };
659
660 #define QETH_BROADCAST_WITH_ECHO 0x01
661 #define QETH_BROADCAST_WITHOUT_ECHO 0x02
662 #define QETH_LAYER2_MAC_READ 0x01
663 #define QETH_LAYER2_MAC_REGISTERED 0x02
664 struct qeth_card_info {
665 unsigned short unit_addr2;
666 unsigned short cula;
667 unsigned short chpid;
668 __u16 func_level;
669 char mcl_level[QETH_MCL_LENGTH + 1];
670 int guestlan;
671 int mac_bits;
672 int portno;
673 enum qeth_card_types type;
674 enum qeth_link_types link_type;
675 int is_multicast_different;
676 int initial_mtu;
677 int max_mtu;
678 int broadcast_capable;
679 int unique_id;
680 struct qeth_card_blkt blkt;
681 __u32 csum_mask;
682 __u32 tx_csum_mask;
683 enum qeth_ipa_promisc_modes promisc_mode;
684 __u32 diagass_support;
685 __u32 hwtrap;
686 };
687
688 struct qeth_card_options {
689 struct qeth_routing_info route4;
690 struct qeth_ipa_info ipa4;
691 struct qeth_ipa_info adp; /*Adapter parameters*/
692 struct qeth_routing_info route6;
693 struct qeth_ipa_info ipa6;
694 struct qeth_sbp_info sbp; /* SETBRIDGEPORT options */
695 int fake_broadcast;
696 int add_hhlen;
697 int layer2;
698 int performance_stats;
699 int rx_sg_cb;
700 enum qeth_ipa_isolation_modes isolation;
701 enum qeth_ipa_isolation_modes prev_isolation;
702 int sniffer;
703 enum qeth_cq cq;
704 char hsuid[9];
705 };
706
707 /*
708 * thread bits for qeth_card thread masks
709 */
710 enum qeth_threads {
711 QETH_RECOVER_THREAD = 1,
712 };
713
714 struct qeth_osn_info {
715 int (*assist_cb)(struct net_device *dev, void *data);
716 int (*data_cb)(struct sk_buff *skb);
717 };
718
719 enum qeth_discipline_id {
720 QETH_DISCIPLINE_LAYER3 = 0,
721 QETH_DISCIPLINE_LAYER2 = 1,
722 };
723
724 struct qeth_discipline {
725 const struct device_type *devtype;
726 void (*start_poll)(struct ccw_device *, int, unsigned long);
727 qdio_handler_t *input_handler;
728 qdio_handler_t *output_handler;
729 int (*recover)(void *ptr);
730 int (*setup) (struct ccwgroup_device *);
731 void (*remove) (struct ccwgroup_device *);
732 int (*set_online) (struct ccwgroup_device *);
733 int (*set_offline) (struct ccwgroup_device *);
734 void (*shutdown)(struct ccwgroup_device *);
735 int (*prepare) (struct ccwgroup_device *);
736 void (*complete) (struct ccwgroup_device *);
737 int (*freeze)(struct ccwgroup_device *);
738 int (*thaw) (struct ccwgroup_device *);
739 int (*restore)(struct ccwgroup_device *);
740 int (*control_event_handler)(struct qeth_card *card,
741 struct qeth_ipa_cmd *cmd);
742 };
743
744 struct qeth_vlan_vid {
745 struct list_head list;
746 unsigned short vid;
747 };
748
749 enum qeth_mac_disposition {
750 QETH_DISP_MAC_DELETE = 0,
751 QETH_DISP_MAC_DO_NOTHING = 1,
752 QETH_DISP_MAC_ADD = 2,
753 };
754
755 struct qeth_mac {
756 u8 mac_addr[OSA_ADDR_LEN];
757 u8 is_uc:1;
758 u8 disp_flag:2;
759 struct hlist_node hnode;
760 };
761
762 struct qeth_rx {
763 int b_count;
764 int b_index;
765 struct qdio_buffer_element *b_element;
766 int e_offset;
767 int qdio_err;
768 };
769
770 struct carrier_info {
771 __u8 card_type;
772 __u16 port_mode;
773 __u32 port_speed;
774 };
775
776 struct qeth_switch_info {
777 __u32 capabilities;
778 __u32 settings;
779 };
780
781 #define QETH_NAPI_WEIGHT NAPI_POLL_WEIGHT
782
783 struct qeth_card {
784 struct list_head list;
785 enum qeth_card_states state;
786 int lan_online;
787 spinlock_t lock;
788 struct ccwgroup_device *gdev;
789 struct qeth_channel read;
790 struct qeth_channel write;
791 struct qeth_channel data;
792
793 struct net_device *dev;
794 struct net_device_stats stats;
795
796 struct qeth_card_info info;
797 struct qeth_token token;
798 struct qeth_seqno seqno;
799 struct qeth_card_options options;
800
801 wait_queue_head_t wait_q;
802 spinlock_t vlanlock;
803 spinlock_t mclock;
804 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
805 struct list_head vid_list;
806 DECLARE_HASHTABLE(mac_htable, 4);
807 struct work_struct kernel_thread_starter;
808 spinlock_t thread_mask_lock;
809 unsigned long thread_start_mask;
810 unsigned long thread_allowed_mask;
811 unsigned long thread_running_mask;
812 struct task_struct *recovery_task;
813 spinlock_t ip_lock;
814 struct list_head ip_list;
815 struct list_head *ip_tbd_list;
816 struct qeth_ipato ipato;
817 struct list_head cmd_waiter_list;
818 /* QDIO buffer handling */
819 struct qeth_qdio_info qdio;
820 struct qeth_perf_stats perf_stats;
821 int read_or_write_problem;
822 struct qeth_osn_info osn_info;
823 struct qeth_discipline *discipline;
824 atomic_t force_alloc_skb;
825 struct service_level qeth_service_level;
826 struct qdio_ssqd_desc ssqd;
827 debug_info_t *debug;
828 struct mutex conf_mutex;
829 struct mutex discipline_mutex;
830 struct napi_struct napi;
831 struct qeth_rx rx;
832 struct delayed_work buffer_reclaim_work;
833 int reclaim_index;
834 struct work_struct close_dev_work;
835 };
836
837 struct qeth_card_list_struct {
838 struct list_head list;
839 rwlock_t rwlock;
840 };
841
842 struct qeth_trap_id {
843 __u16 lparnr;
844 char vmname[8];
845 __u8 chpid;
846 __u8 ssid;
847 __u16 devno;
848 } __packed;
849
850 /*some helper functions*/
851 #define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "")
852
qeth_get_micros(void)853 static inline int qeth_get_micros(void)
854 {
855 return (int) (get_tod_clock() >> 12);
856 }
857
qeth_get_ip_version(struct sk_buff * skb)858 static inline int qeth_get_ip_version(struct sk_buff *skb)
859 {
860 __be16 *p = &((struct ethhdr *)skb->data)->h_proto;
861
862 if (*p == ETH_P_8021Q)
863 p += 2;
864 switch (*p) {
865 case ETH_P_IPV6:
866 return 6;
867 case ETH_P_IP:
868 return 4;
869 default:
870 return 0;
871 }
872 }
873
qeth_put_buffer_pool_entry(struct qeth_card * card,struct qeth_buffer_pool_entry * entry)874 static inline void qeth_put_buffer_pool_entry(struct qeth_card *card,
875 struct qeth_buffer_pool_entry *entry)
876 {
877 list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list);
878 }
879
qeth_is_diagass_supported(struct qeth_card * card,enum qeth_diags_cmds cmd)880 static inline int qeth_is_diagass_supported(struct qeth_card *card,
881 enum qeth_diags_cmds cmd)
882 {
883 return card->info.diagass_support & (__u32)cmd;
884 }
885
886 extern struct qeth_discipline qeth_l2_discipline;
887 extern struct qeth_discipline qeth_l3_discipline;
888 extern const struct attribute_group *qeth_generic_attr_groups[];
889 extern const struct attribute_group *qeth_osn_attr_groups[];
890 extern const struct attribute_group qeth_device_attr_group;
891 extern const struct attribute_group qeth_device_blkt_group;
892 extern const struct device_type qeth_generic_devtype;
893 extern struct workqueue_struct *qeth_wq;
894
895 int qeth_card_hw_is_reachable(struct qeth_card *);
896 const char *qeth_get_cardname_short(struct qeth_card *);
897 int qeth_realloc_buffer_pool(struct qeth_card *, int);
898 int qeth_core_load_discipline(struct qeth_card *, enum qeth_discipline_id);
899 void qeth_core_free_discipline(struct qeth_card *);
900
901 /* exports for qeth discipline device drivers */
902 extern struct qeth_card_list_struct qeth_core_card_list;
903 extern struct kmem_cache *qeth_core_header_cache;
904 extern struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS];
905
906 void qeth_set_recovery_task(struct qeth_card *);
907 void qeth_clear_recovery_task(struct qeth_card *);
908 void qeth_set_allowed_threads(struct qeth_card *, unsigned long , int);
909 int qeth_threads_running(struct qeth_card *, unsigned long);
910 int qeth_wait_for_threads(struct qeth_card *, unsigned long);
911 int qeth_do_run_thread(struct qeth_card *, unsigned long);
912 void qeth_clear_thread_start_bit(struct qeth_card *, unsigned long);
913 void qeth_clear_thread_running_bit(struct qeth_card *, unsigned long);
914 int qeth_core_hardsetup_card(struct qeth_card *);
915 void qeth_print_status_message(struct qeth_card *);
916 int qeth_init_qdio_queues(struct qeth_card *);
917 int qeth_send_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *,
918 int (*reply_cb)
919 (struct qeth_card *, struct qeth_reply *, unsigned long),
920 void *);
921 struct qeth_cmd_buffer *qeth_get_ipacmd_buffer(struct qeth_card *,
922 enum qeth_ipa_cmds, enum qeth_prot_versions);
923 int qeth_query_setadapterparms(struct qeth_card *);
924 int qeth_check_qdio_errors(struct qeth_card *, struct qdio_buffer *,
925 unsigned int, const char *);
926 void qeth_queue_input_buffer(struct qeth_card *, int);
927 struct sk_buff *qeth_core_get_next_skb(struct qeth_card *,
928 struct qeth_qdio_buffer *, struct qdio_buffer_element **, int *,
929 struct qeth_hdr **);
930 void qeth_schedule_recovery(struct qeth_card *);
931 void qeth_qdio_start_poll(struct ccw_device *, int, unsigned long);
932 void qeth_qdio_input_handler(struct ccw_device *,
933 unsigned int, unsigned int, int,
934 int, unsigned long);
935 void qeth_qdio_output_handler(struct ccw_device *, unsigned int,
936 int, int, int, unsigned long);
937 void qeth_clear_ipacmd_list(struct qeth_card *);
938 int qeth_qdio_clear_card(struct qeth_card *, int);
939 void qeth_clear_working_pool_list(struct qeth_card *);
940 void qeth_clear_cmd_buffers(struct qeth_channel *);
941 void qeth_clear_qdio_buffers(struct qeth_card *);
942 void qeth_setadp_promisc_mode(struct qeth_card *);
943 struct net_device_stats *qeth_get_stats(struct net_device *);
944 int qeth_change_mtu(struct net_device *, int);
945 int qeth_setadpparms_change_macaddr(struct qeth_card *);
946 void qeth_tx_timeout(struct net_device *);
947 void qeth_prepare_control_data(struct qeth_card *, int,
948 struct qeth_cmd_buffer *);
949 void qeth_release_buffer(struct qeth_channel *, struct qeth_cmd_buffer *);
950 void qeth_prepare_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, char);
951 struct qeth_cmd_buffer *qeth_wait_for_buffer(struct qeth_channel *);
952 int qeth_mdio_read(struct net_device *, int, int);
953 int qeth_snmp_command(struct qeth_card *, char __user *);
954 int qeth_query_oat_command(struct qeth_card *, char __user *);
955 int qeth_query_switch_attributes(struct qeth_card *card,
956 struct qeth_switch_info *sw_info);
957 int qeth_send_control_data(struct qeth_card *, int, struct qeth_cmd_buffer *,
958 int (*reply_cb)(struct qeth_card *, struct qeth_reply*, unsigned long),
959 void *reply_param);
960 int qeth_bridgeport_query_ports(struct qeth_card *card,
961 enum qeth_sbp_roles *role, enum qeth_sbp_states *state);
962 int qeth_bridgeport_setrole(struct qeth_card *card, enum qeth_sbp_roles role);
963 int qeth_bridgeport_an_set(struct qeth_card *card, int enable);
964 int qeth_get_priority_queue(struct qeth_card *, struct sk_buff *, int, int);
965 int qeth_get_elements_no(struct qeth_card *, struct sk_buff *, int);
966 int qeth_get_elements_for_frags(struct sk_buff *);
967 int qeth_do_send_packet_fast(struct qeth_card *, struct qeth_qdio_out_q *,
968 struct sk_buff *, struct qeth_hdr *, int, int, int);
969 int qeth_do_send_packet(struct qeth_card *, struct qeth_qdio_out_q *,
970 struct sk_buff *, struct qeth_hdr *, int);
971 int qeth_core_get_sset_count(struct net_device *, int);
972 void qeth_core_get_ethtool_stats(struct net_device *,
973 struct ethtool_stats *, u64 *);
974 void qeth_core_get_strings(struct net_device *, u32, u8 *);
975 void qeth_core_get_drvinfo(struct net_device *, struct ethtool_drvinfo *);
976 void qeth_dbf_longtext(debug_info_t *id, int level, char *text, ...);
977 int qeth_core_ethtool_get_settings(struct net_device *, struct ethtool_cmd *);
978 int qeth_set_access_ctrl_online(struct qeth_card *card, int fallback);
979 int qeth_hdr_chk_and_bounce(struct sk_buff *, struct qeth_hdr **, int);
980 int qeth_configure_cq(struct qeth_card *, enum qeth_cq);
981 int qeth_hw_trap(struct qeth_card *, enum qeth_diags_trap_action);
982 int qeth_query_ipassists(struct qeth_card *, enum qeth_prot_versions prot);
983 void qeth_trace_features(struct qeth_card *);
984 void qeth_close_dev(struct qeth_card *);
985 int qeth_send_simple_setassparms(struct qeth_card *, enum qeth_ipa_funcs,
986 __u16, long);
987 int qeth_send_setassparms(struct qeth_card *, struct qeth_cmd_buffer *, __u16,
988 long,
989 int (*reply_cb)(struct qeth_card *,
990 struct qeth_reply *, unsigned long),
991 void *);
992 int qeth_start_ipa_tx_checksum(struct qeth_card *);
993 int qeth_set_rx_csum(struct qeth_card *, int);
994
995 /* exports for OSN */
996 int qeth_osn_assist(struct net_device *, void *, int);
997 int qeth_osn_register(unsigned char *read_dev_no, struct net_device **,
998 int (*assist_cb)(struct net_device *, void *),
999 int (*data_cb)(struct sk_buff *));
1000 void qeth_osn_deregister(struct net_device *);
1001
1002 #endif /* __QETH_CORE_H__ */
1003