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Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
[net-next-2.6.git] / drivers / s390 / net / qeth_core.h
CommitLineData
4a71df50
FB		 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>
6bcac508 34#include <asm/sysinfo.h>
4a71df50
FB		 35
36#include "qeth_core_mpc.h"
37
38/**
39 * Debug Facility stuff
40 */
d11ba0c4
PT		 41enum qeth_dbf_names {
42 QETH_DBF_SETUP,
d11ba0c4 43 QETH_DBF_MSG,
d11ba0c4
PT		 44 QETH_DBF_CTRL,
45 QETH_DBF_INFOS /* must be last element */
46};
47
48struct 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
4a71df50
FB		 59
60#define QETH_DBF_TEXT(name, level, text) \
d11ba0c4 61 debug_text_event(qeth_dbf[QETH_DBF_##name].id, level, text)
4a71df50
FB		 62
63#define QETH_DBF_HEX(name, level, addr, len) \
d11ba0c4
PT		 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...) \
8e96c51c 70 qeth_dbf_longtext(qeth_dbf[QETH_DBF_##name].id, level, text)
4a71df50 71
af039068
CO		 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
4a71df50
FB		 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
2a0217d5
KS		 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)
4a71df50
FB		 100
101/**
102 * card stuff
103 */
104struct 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_input_handler: number of times called, time spent in */
114 __u64 inbound_start_time;
115 unsigned int inbound_cnt;
116 unsigned int inbound_time;
117 /* qeth_send_packet: number of times called, time spent in */
118 __u64 outbound_start_time;
119 unsigned int outbound_cnt;
120 unsigned int outbound_time;
121 /* qdio_output_handler: number of times called, time spent in */
122 __u64 outbound_handler_start_time;
123 unsigned int outbound_handler_cnt;
124 unsigned int outbound_handler_time;
125 /* number of calls to and time spent in do_QDIO for inbound queue */
126 __u64 inbound_do_qdio_start_time;
127 unsigned int inbound_do_qdio_cnt;
128 unsigned int inbound_do_qdio_time;
129 /* number of calls to and time spent in do_QDIO for outbound queues */
130 __u64 outbound_do_qdio_start_time;
131 unsigned int outbound_do_qdio_cnt;
132 unsigned int outbound_do_qdio_time;
4a71df50
FB		 133 unsigned int large_send_bytes;
134 unsigned int large_send_cnt;
135 unsigned int sg_skbs_sent;
136 unsigned int sg_frags_sent;
137 /* initial values when measuring starts */
138 unsigned long initial_rx_packets;
139 unsigned long initial_tx_packets;
140 /* inbound scatter gather data */
141 unsigned int sg_skbs_rx;
142 unsigned int sg_frags_rx;
143 unsigned int sg_alloc_page_rx;
f61a0d05 144 unsigned int tx_csum;
c3b4a740 145 unsigned int tx_lin;
4a71df50
FB		 146};
147
148/* Routing stuff */
149struct qeth_routing_info {
150 enum qeth_routing_types type;
151};
152
153/* IPA stuff */
154struct qeth_ipa_info {
155 __u32 supported_funcs;
156 __u32 enabled_funcs;
157};
158
159static inline int qeth_is_ipa_supported(struct qeth_ipa_info *ipa,
160 enum qeth_ipa_funcs func)
161{
162 return (ipa->supported_funcs & func);
163}
164
165static inline int qeth_is_ipa_enabled(struct qeth_ipa_info *ipa,
166 enum qeth_ipa_funcs func)
167{
168 return (ipa->supported_funcs & ipa->enabled_funcs & func);
169}
170
171#define qeth_adp_supported(c, f) \
172 qeth_is_ipa_supported(&c->options.adp, f)
173#define qeth_adp_enabled(c, f) \
174 qeth_is_ipa_enabled(&c->options.adp, f)
175#define qeth_is_supported(c, f) \
176 qeth_is_ipa_supported(&c->options.ipa4, f)
177#define qeth_is_enabled(c, f) \
178 qeth_is_ipa_enabled(&c->options.ipa4, f)
179#define qeth_is_supported6(c, f) \
180 qeth_is_ipa_supported(&c->options.ipa6, f)
181#define qeth_is_enabled6(c, f) \
182 qeth_is_ipa_enabled(&c->options.ipa6, f)
183#define qeth_is_ipafunc_supported(c, prot, f) \
184 ((prot == QETH_PROT_IPV6) ? \
185 qeth_is_supported6(c, f) : qeth_is_supported(c, f))
186#define qeth_is_ipafunc_enabled(c, prot, f) \
187 ((prot == QETH_PROT_IPV6) ? \
188 qeth_is_enabled6(c, f) : qeth_is_enabled(c, f))
189
5113fec0 190#define QETH_IDX_FUNC_LEVEL_OSD 0x0101
6298263a 191#define QETH_IDX_FUNC_LEVEL_IQD 0x4108
4a71df50
FB		 192
193#define QETH_MODELLIST_ARRAY \
5113fec0
UB		 194 {{0x1731, 0x01, 0x1732, QETH_CARD_TYPE_OSD, QETH_MAX_QUEUES, 0}, \
195 {0x1731, 0x05, 0x1732, QETH_CARD_TYPE_IQD, QETH_MAX_QUEUES, 0x103}, \
196 {0x1731, 0x06, 0x1732, QETH_CARD_TYPE_OSN, QETH_MAX_QUEUES, 0}, \
197 {0x1731, 0x02, 0x1732, QETH_CARD_TYPE_OSM, QETH_MAX_QUEUES, 0}, \
198 {0x1731, 0x02, 0x1732, QETH_CARD_TYPE_OSX, QETH_MAX_QUEUES, 0}, \
199 {0, 0, 0, 0, 0, 0} }
200#define QETH_CU_TYPE_IND 0
201#define QETH_CU_MODEL_IND 1
202#define QETH_DEV_TYPE_IND 2
203#define QETH_DEV_MODEL_IND 3
204#define QETH_QUEUE_NO_IND 4
205#define QETH_MULTICAST_IND 5
4a71df50
FB		 206
207#define QETH_REAL_CARD 1
208#define QETH_VLAN_CARD 2
209#define QETH_BUFSIZE 4096
210
211/**
212 * some more defs
213 */
214#define QETH_TX_TIMEOUT 100 * HZ
215#define QETH_RCD_TIMEOUT 60 * HZ
216#define QETH_HEADER_SIZE 32
217#define QETH_MAX_PORTNO 15
218
219/*IPv6 address autoconfiguration stuff*/
220#define UNIQUE_ID_IF_CREATE_ADDR_FAILED 0xfffe
221#define UNIQUE_ID_NOT_BY_CARD 0x10000
222
223/*****************************************************************************/
224/* QDIO queue and buffer handling */
225/*****************************************************************************/
226#define QETH_MAX_QUEUES 4
227#define QETH_IN_BUF_SIZE_DEFAULT 65536
228#define QETH_IN_BUF_COUNT_DEFAULT 16
229#define QETH_IN_BUF_COUNT_MIN 8
230#define QETH_IN_BUF_COUNT_MAX 128
231#define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12)
232#define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \
233 ((card)->qdio.in_buf_pool.buf_count / 2)
234
235/* buffers we have to be behind before we get a PCI */
236#define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1)
237/*enqueued free buffers left before we get a PCI*/
238#define QETH_PCI_THRESHOLD_B(card) 0
239/*not used unless the microcode gets patched*/
240#define QETH_PCI_TIMER_VALUE(card) 3
241
4a71df50
FB		 242/* priority queing */
243#define QETH_PRIOQ_DEFAULT QETH_NO_PRIO_QUEUEING
244#define QETH_DEFAULT_QUEUE 2
245#define QETH_NO_PRIO_QUEUEING 0
246#define QETH_PRIO_Q_ING_PREC 1
247#define QETH_PRIO_Q_ING_TOS 2
248#define IP_TOS_LOWDELAY 0x10
249#define IP_TOS_HIGHTHROUGHPUT 0x08
250#define IP_TOS_HIGHRELIABILITY 0x04
251#define IP_TOS_NOTIMPORTANT 0x02
252
253/* Packing */
254#define QETH_LOW_WATERMARK_PACK 2
255#define QETH_HIGH_WATERMARK_PACK 5
256#define QETH_WATERMARK_PACK_FUZZ 1
257
258#define QETH_IP_HEADER_SIZE 40
259
260/* large receive scatter gather copy break */
261#define QETH_RX_SG_CB (PAGE_SIZE >> 1)
262
263struct qeth_hdr_layer3 {
264 __u8 id;
265 __u8 flags;
266 __u16 inbound_checksum; /*TSO:__u16 seqno */
267 __u32 token; /*TSO: __u32 reserved */
268 __u16 length;
269 __u8 vlan_prio;
270 __u8 ext_flags;
271 __u16 vlan_id;
272 __u16 frame_offset;
273 __u8 dest_addr[16];
274} __attribute__ ((packed));
275
276struct qeth_hdr_layer2 {
277 __u8 id;
278 __u8 flags[3];
279 __u8 port_no;
280 __u8 hdr_length;
281 __u16 pkt_length;
282 __u16 seq_no;
283 __u16 vlan_id;
284 __u32 reserved;
285 __u8 reserved2[16];
286} __attribute__ ((packed));
287
288struct qeth_hdr_osn {
289 __u8 id;
290 __u8 reserved;
291 __u16 seq_no;
292 __u16 reserved2;
293 __u16 control_flags;
294 __u16 pdu_length;
295 __u8 reserved3[18];
296 __u32 ccid;
297} __attribute__ ((packed));
298
299struct qeth_hdr {
300 union {
301 struct qeth_hdr_layer2 l2;
302 struct qeth_hdr_layer3 l3;
303 struct qeth_hdr_osn osn;
304 } hdr;
305} __attribute__ ((packed));
306
307/*TCP Segmentation Offload header*/
308struct qeth_hdr_ext_tso {
309 __u16 hdr_tot_len;
310 __u8 imb_hdr_no;
311 __u8 reserved;
312 __u8 hdr_type;
313 __u8 hdr_version;
314 __u16 hdr_len;
315 __u32 payload_len;
316 __u16 mss;
317 __u16 dg_hdr_len;
318 __u8 padding[16];
319} __attribute__ ((packed));
320
321struct qeth_hdr_tso {
322 struct qeth_hdr hdr; /*hdr->hdr.l3.xxx*/
323 struct qeth_hdr_ext_tso ext;
324} __attribute__ ((packed));
325
326
327/* flags for qeth_hdr.flags */
328#define QETH_HDR_PASSTHRU 0x10
329#define QETH_HDR_IPV6 0x80
330#define QETH_HDR_CAST_MASK 0x07
331enum qeth_cast_flags {
332 QETH_CAST_UNICAST = 0x06,
333 QETH_CAST_MULTICAST = 0x04,
334 QETH_CAST_BROADCAST = 0x05,
335 QETH_CAST_ANYCAST = 0x07,
336 QETH_CAST_NOCAST = 0x00,
337};
338
339enum qeth_layer2_frame_flags {
340 QETH_LAYER2_FLAG_MULTICAST = 0x01,
341 QETH_LAYER2_FLAG_BROADCAST = 0x02,
342 QETH_LAYER2_FLAG_UNICAST = 0x04,
343 QETH_LAYER2_FLAG_VLAN = 0x10,
344};
345
346enum qeth_header_ids {
347 QETH_HEADER_TYPE_LAYER3 = 0x01,
348 QETH_HEADER_TYPE_LAYER2 = 0x02,
349 QETH_HEADER_TYPE_TSO = 0x03,
350 QETH_HEADER_TYPE_OSN = 0x04,
351};
352/* flags for qeth_hdr.ext_flags */
353#define QETH_HDR_EXT_VLAN_FRAME 0x01
354#define QETH_HDR_EXT_TOKEN_ID 0x02
355#define QETH_HDR_EXT_INCLUDE_VLAN_TAG 0x04
356#define QETH_HDR_EXT_SRC_MAC_ADDR 0x08
357#define QETH_HDR_EXT_CSUM_HDR_REQ 0x10
358#define QETH_HDR_EXT_CSUM_TRANSP_REQ 0x20
f6b85b6c 359#define QETH_HDR_EXT_UDP 0x40 /*bit off for TCP*/
4a71df50
FB		 360
361static inline int qeth_is_last_sbale(struct qdio_buffer_element *sbale)
362{
363 return (sbale->flags & SBAL_FLAGS_LAST_ENTRY);
364}
365
366enum qeth_qdio_buffer_states {
367 /*
368 * inbound: read out by driver; owned by hardware in order to be filled
369 * outbound: owned by driver in order to be filled
370 */
371 QETH_QDIO_BUF_EMPTY,
372 /*
373 * inbound: filled by hardware; owned by driver in order to be read out
374 * outbound: filled by driver; owned by hardware in order to be sent
375 */
376 QETH_QDIO_BUF_PRIMED,
377};
378
379enum qeth_qdio_info_states {
380 QETH_QDIO_UNINITIALIZED,
381 QETH_QDIO_ALLOCATED,
382 QETH_QDIO_ESTABLISHED,
383 QETH_QDIO_CLEANING
384};
385
386struct qeth_buffer_pool_entry {
387 struct list_head list;
388 struct list_head init_list;
389 void *elements[QDIO_MAX_ELEMENTS_PER_BUFFER];
390};
391
392struct qeth_qdio_buffer_pool {
393 struct list_head entry_list;
394 int buf_count;
395};
396
397struct qeth_qdio_buffer {
398 struct qdio_buffer *buffer;
399 /* the buffer pool entry currently associated to this buffer */
400 struct qeth_buffer_pool_entry *pool_entry;
401};
402
403struct qeth_qdio_q {
404 struct qdio_buffer qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
405 struct qeth_qdio_buffer bufs[QDIO_MAX_BUFFERS_PER_Q];
406 int next_buf_to_init;
407} __attribute__ ((aligned(256)));
408
409/* possible types of qeth large_send support */
410enum qeth_large_send_types {
411 QETH_LARGE_SEND_NO,
4a71df50
FB		 412 QETH_LARGE_SEND_TSO,
413};
414
415struct qeth_qdio_out_buffer {
416 struct qdio_buffer *buffer;
417 atomic_t state;
418 int next_element_to_fill;
419 struct sk_buff_head skb_list;
420 struct list_head ctx_list;
683d718a 421 int is_header[16];
4a71df50
FB		 422};
423
424struct qeth_card;
425
426enum qeth_out_q_states {
427 QETH_OUT_Q_UNLOCKED,
428 QETH_OUT_Q_LOCKED,
429 QETH_OUT_Q_LOCKED_FLUSH,
430};
431
432struct qeth_qdio_out_q {
433 struct qdio_buffer qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
434 struct qeth_qdio_out_buffer bufs[QDIO_MAX_BUFFERS_PER_Q];
435 int queue_no;
436 struct qeth_card *card;
437 atomic_t state;
438 int do_pack;
439 /*
440 * index of buffer to be filled by driver; state EMPTY or PACKING
441 */
442 int next_buf_to_fill;
443 /*
444 * number of buffers that are currently filled (PRIMED)
445 * -> these buffers are hardware-owned
446 */
447 atomic_t used_buffers;
448 /* indicates whether PCI flag must be set (or if one is outstanding) */
449 atomic_t set_pci_flags_count;
450} __attribute__ ((aligned(256)));
451
452struct qeth_qdio_info {
453 atomic_t state;
454 /* input */
455 struct qeth_qdio_q *in_q;
456 struct qeth_qdio_buffer_pool in_buf_pool;
457 struct qeth_qdio_buffer_pool init_pool;
458 int in_buf_size;
459
460 /* output */
461 int no_out_queues;
462 struct qeth_qdio_out_q **out_qs;
463
464 /* priority queueing */
465 int do_prio_queueing;
466 int default_out_queue;
467};
468
469enum qeth_send_errors {
470 QETH_SEND_ERROR_NONE,
471 QETH_SEND_ERROR_LINK_FAILURE,
472 QETH_SEND_ERROR_RETRY,
473 QETH_SEND_ERROR_KICK_IT,
474};
475
476#define QETH_ETH_MAC_V4 0x0100 /* like v4 */
477#define QETH_ETH_MAC_V6 0x3333 /* like v6 */
478/* tr mc mac is longer, but that will be enough to detect mc frames */
479#define QETH_TR_MAC_NC 0xc000 /* non-canonical */
480#define QETH_TR_MAC_C 0x0300 /* canonical */
481
482#define DEFAULT_ADD_HHLEN 0
483#define MAX_ADD_HHLEN 1024
484
485/**
486 * buffer stuff for read channel
487 */
488#define QETH_CMD_BUFFER_NO 8
489
490/**
491 * channel state machine
492 */
493enum qeth_channel_states {
494 CH_STATE_UP,
495 CH_STATE_DOWN,
496 CH_STATE_ACTIVATING,
497 CH_STATE_HALTED,
498 CH_STATE_STOPPED,
499 CH_STATE_RCD,
500 CH_STATE_RCD_DONE,
501};
502/**
503 * card state machine
504 */
505enum qeth_card_states {
506 CARD_STATE_DOWN,
507 CARD_STATE_HARDSETUP,
508 CARD_STATE_SOFTSETUP,
509 CARD_STATE_UP,
510 CARD_STATE_RECOVER,
511};
512
513/**
514 * Protocol versions
515 */
516enum qeth_prot_versions {
517 QETH_PROT_IPV4 = 0x0004,
518 QETH_PROT_IPV6 = 0x0006,
519};
520
521enum qeth_ip_types {
522 QETH_IP_TYPE_NORMAL,
523 QETH_IP_TYPE_VIPA,
524 QETH_IP_TYPE_RXIP,
525 QETH_IP_TYPE_DEL_ALL_MC,
526};
527
528enum qeth_cmd_buffer_state {
529 BUF_STATE_FREE,
530 BUF_STATE_LOCKED,
531 BUF_STATE_PROCESSED,
532};
533
534struct qeth_ipato {
535 int enabled;
536 int invert4;
537 int invert6;
538 struct list_head entries;
539};
540
541struct qeth_channel;
542
543struct qeth_cmd_buffer {
544 enum qeth_cmd_buffer_state state;
545 struct qeth_channel *channel;
546 unsigned char *data;
547 int rc;
548 void (*callback) (struct qeth_channel *, struct qeth_cmd_buffer *);
549};
550
551/**
552 * definition of a qeth channel, used for read and write
553 */
554struct qeth_channel {
555 enum qeth_channel_states state;
556 struct ccw1 ccw;
557 spinlock_t iob_lock;
558 wait_queue_head_t wait_q;
559 struct tasklet_struct irq_tasklet;
560 struct ccw_device *ccwdev;
561/*command buffer for control data*/
562 struct qeth_cmd_buffer iob[QETH_CMD_BUFFER_NO];
563 atomic_t irq_pending;
564 int io_buf_no;
565 int buf_no;
566};
567
568/**
569 * OSA card related definitions
570 */
571struct qeth_token {
572 __u32 issuer_rm_w;
573 __u32 issuer_rm_r;
574 __u32 cm_filter_w;
575 __u32 cm_filter_r;
576 __u32 cm_connection_w;
577 __u32 cm_connection_r;
578 __u32 ulp_filter_w;
579 __u32 ulp_filter_r;
580 __u32 ulp_connection_w;
581 __u32 ulp_connection_r;
582};
583
584struct qeth_seqno {
585 __u32 trans_hdr;
586 __u32 pdu_hdr;
587 __u32 pdu_hdr_ack;
588 __u16 ipa;
589 __u32 pkt_seqno;
590};
591
592struct qeth_reply {
593 struct list_head list;
594 wait_queue_head_t wait_q;
595 int (*callback)(struct qeth_card *, struct qeth_reply *,
596 unsigned long);
597 u32 seqno;
598 unsigned long offset;
599 atomic_t received;
600 int rc;
601 void *param;
602 struct qeth_card *card;
603 atomic_t refcnt;
604};
605
606
607struct qeth_card_blkt {
608 int time_total;
609 int inter_packet;
610 int inter_packet_jumbo;
611};
612
613#define QETH_BROADCAST_WITH_ECHO 0x01
614#define QETH_BROADCAST_WITHOUT_ECHO 0x02
615#define QETH_LAYER2_MAC_READ 0x01
616#define QETH_LAYER2_MAC_REGISTERED 0x02
617struct qeth_card_info {
618 unsigned short unit_addr2;
619 unsigned short cula;
620 unsigned short chpid;
621 __u16 func_level;
622 char mcl_level[QETH_MCL_LENGTH + 1];
623 int guestlan;
624 int mac_bits;
625 int portname_required;
626 int portno;
627 char portname[9];
628 enum qeth_card_types type;
629 enum qeth_link_types link_type;
630 int is_multicast_different;
631 int initial_mtu;
632 int max_mtu;
633 int broadcast_capable;
634 int unique_id;
635 struct qeth_card_blkt blkt;
636 __u32 csum_mask;
f6b85b6c 637 __u32 tx_csum_mask;
4a71df50
FB		 638 enum qeth_ipa_promisc_modes promisc_mode;
639};
640
641struct qeth_card_options {
642 struct qeth_routing_info route4;
643 struct qeth_ipa_info ipa4;
644 struct qeth_ipa_info adp; /*Adapter parameters*/
645 struct qeth_routing_info route6;
646 struct qeth_ipa_info ipa6;
647 enum qeth_checksum_types checksum_type;
648 int broadcast_mode;
649 int macaddr_mode;
650 int fake_broadcast;
651 int add_hhlen;
4a71df50
FB		 652 int layer2;
653 enum qeth_large_send_types large_send;
654 int performance_stats;
655 int rx_sg_cb;
d64ecc22 656 enum qeth_ipa_isolation_modes isolation;
76b11f8e 657 int sniffer;
4a71df50
FB		 658};
659
660/*
661 * thread bits for qeth_card thread masks
662 */
663enum qeth_threads {
664 QETH_RECOVER_THREAD = 1,
665};
666
667struct qeth_osn_info {
668 int (*assist_cb)(struct net_device *dev, void *data);
669 int (*data_cb)(struct sk_buff *skb);
670};
671
672enum qeth_discipline_id {
673 QETH_DISCIPLINE_LAYER3 = 0,
674 QETH_DISCIPLINE_LAYER2 = 1,
675};
676
677struct qeth_discipline {
a1c3ed4c 678 void (*start_poll)(struct ccw_device *, int, unsigned long);
4a71df50
FB		 679 qdio_handler_t *input_handler;
680 qdio_handler_t *output_handler;
681 int (*recover)(void *ptr);
682 struct ccwgroup_driver *ccwgdriver;
683};
684
685struct qeth_vlan_vid {
686 struct list_head list;
687 unsigned short vid;
688};
689
690struct qeth_mc_mac {
691 struct list_head list;
692 __u8 mc_addr[MAX_ADDR_LEN];
693 unsigned char mc_addrlen;
7db2266a 694 int is_vmac;
4a71df50
FB		 695};
696
a1c3ed4c
FB		 697struct qeth_rx {
698 int b_count;
699 int b_index;
700 struct qdio_buffer_element *b_element;
701 int e_offset;
702 int qdio_err;
703};
704
705#define QETH_NAPI_WEIGHT 128
706
4a71df50
FB		 707struct qeth_card {
708 struct list_head list;
709 enum qeth_card_states state;
710 int lan_online;
711 spinlock_t lock;
712 struct ccwgroup_device *gdev;
713 struct qeth_channel read;
714 struct qeth_channel write;
715 struct qeth_channel data;
716
717 struct net_device *dev;
718 struct net_device_stats stats;
719
720 struct qeth_card_info info;
721 struct qeth_token token;
722 struct qeth_seqno seqno;
723 struct qeth_card_options options;
724
725 wait_queue_head_t wait_q;
726 spinlock_t vlanlock;
727 spinlock_t mclock;
728 struct vlan_group *vlangrp;
729 struct list_head vid_list;
730 struct list_head mc_list;
731 struct work_struct kernel_thread_starter;
732 spinlock_t thread_mask_lock;
733 unsigned long thread_start_mask;
734 unsigned long thread_allowed_mask;
735 unsigned long thread_running_mask;
736 spinlock_t ip_lock;
737 struct list_head ip_list;
738 struct list_head *ip_tbd_list;
739 struct qeth_ipato ipato;
740 struct list_head cmd_waiter_list;
741 /* QDIO buffer handling */
742 struct qeth_qdio_info qdio;
743 struct qeth_perf_stats perf_stats;
744 int use_hard_stop;
908abbb5 745 int read_or_write_problem;
4a71df50
FB		 746 struct qeth_osn_info osn_info;
747 struct qeth_discipline discipline;
748 atomic_t force_alloc_skb;
6bcac508 749 struct service_level qeth_service_level;
76b11f8e 750 struct qdio_ssqd_desc ssqd;
af039068 751 debug_info_t *debug;
c4949f07 752 struct mutex conf_mutex;
9dc48ccc 753 struct mutex discipline_mutex;
a1c3ed4c
FB		 754 struct napi_struct napi;
755 struct qeth_rx rx;
4a71df50
FB		 756};
757
758struct qeth_card_list_struct {
759 struct list_head list;
760 rwlock_t rwlock;
761};
762
763/*some helper functions*/
764#define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "")
765
766static inline struct qeth_card *CARD_FROM_CDEV(struct ccw_device *cdev)
767{
768 struct qeth_card *card = dev_get_drvdata(&((struct ccwgroup_device *)
769 dev_get_drvdata(&cdev->dev))->dev);
770 return card;
771}
772
773static inline int qeth_get_micros(void)
774{
775 return (int) (get_clock() >> 12);
776}
777
4a71df50
FB		 778static inline int qeth_get_ip_version(struct sk_buff *skb)
779{
21fde749
FB		 780 struct ethhdr *ehdr = (struct ethhdr *)skb->data;
781 switch (ehdr->h_proto) {
4a71df50
FB		 782 case ETH_P_IPV6:
783 return 6;
784 case ETH_P_IP:
785 return 4;
786 default:
787 return 0;
788 }
789}
790
f90b744e
FB		 791static inline void qeth_put_buffer_pool_entry(struct qeth_card *card,
792 struct qeth_buffer_pool_entry *entry)
793{
794 list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list);
795}
796
4a71df50
FB		 797extern struct ccwgroup_driver qeth_l2_ccwgroup_driver;
798extern struct ccwgroup_driver qeth_l3_ccwgroup_driver;
799const char *qeth_get_cardname_short(struct qeth_card *);
800int qeth_realloc_buffer_pool(struct qeth_card *, int);
801int qeth_core_load_discipline(struct qeth_card *, enum qeth_discipline_id);
802void qeth_core_free_discipline(struct qeth_card *);
803int qeth_core_create_device_attributes(struct device *);
804void qeth_core_remove_device_attributes(struct device *);
805int qeth_core_create_osn_attributes(struct device *);
806void qeth_core_remove_osn_attributes(struct device *);
807
808/* exports for qeth discipline device drivers */
809extern struct qeth_card_list_struct qeth_core_card_list;
683d718a 810extern struct kmem_cache *qeth_core_header_cache;
d11ba0c4 811extern struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS];
4a71df50
FB		 812
813void qeth_set_allowed_threads(struct qeth_card *, unsigned long , int);
814int qeth_threads_running(struct qeth_card *, unsigned long);
815int qeth_wait_for_threads(struct qeth_card *, unsigned long);
816int qeth_do_run_thread(struct qeth_card *, unsigned long);
817void qeth_clear_thread_start_bit(struct qeth_card *, unsigned long);
818void qeth_clear_thread_running_bit(struct qeth_card *, unsigned long);
819int qeth_core_hardsetup_card(struct qeth_card *);
820void qeth_print_status_message(struct qeth_card *);
821int qeth_init_qdio_queues(struct qeth_card *);
822int qeth_send_startlan(struct qeth_card *);
823int qeth_send_stoplan(struct qeth_card *);
824int qeth_send_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *,
825 int (*reply_cb)
826 (struct qeth_card *, struct qeth_reply *, unsigned long),
827 void *);
828struct qeth_cmd_buffer *qeth_get_ipacmd_buffer(struct qeth_card *,
829 enum qeth_ipa_cmds, enum qeth_prot_versions);
830int qeth_query_setadapterparms(struct qeth_card *);
76b11f8e
UB		 831int qeth_check_qdio_errors(struct qeth_card *, struct qdio_buffer *,
832 unsigned int, const char *);
4a71df50
FB		 833void qeth_queue_input_buffer(struct qeth_card *, int);
834struct sk_buff *qeth_core_get_next_skb(struct qeth_card *,
835 struct qdio_buffer *, struct qdio_buffer_element **, int *,
836 struct qeth_hdr **);
837void qeth_schedule_recovery(struct qeth_card *);
a1c3ed4c
FB		 838void qeth_qdio_start_poll(struct ccw_device *, int, unsigned long);
839void qeth_qdio_input_handler(struct ccw_device *,
840 unsigned int, unsigned int, int,
841 int, unsigned long);
4a71df50 842void qeth_qdio_output_handler(struct ccw_device *, unsigned int,
779e6e1c 843 int, int, int, unsigned long);
4a71df50
FB		 844void qeth_clear_ipacmd_list(struct qeth_card *);
845int qeth_qdio_clear_card(struct qeth_card *, int);
846void qeth_clear_working_pool_list(struct qeth_card *);
847void qeth_clear_cmd_buffers(struct qeth_channel *);
848void qeth_clear_qdio_buffers(struct qeth_card *);
849void qeth_setadp_promisc_mode(struct qeth_card *);
850struct net_device_stats *qeth_get_stats(struct net_device *);
851int qeth_change_mtu(struct net_device *, int);
852int qeth_setadpparms_change_macaddr(struct qeth_card *);
853void qeth_tx_timeout(struct net_device *);
854void qeth_prepare_control_data(struct qeth_card *, int,
855 struct qeth_cmd_buffer *);
856void qeth_release_buffer(struct qeth_channel *, struct qeth_cmd_buffer *);
857void qeth_prepare_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, char);
858struct qeth_cmd_buffer *qeth_wait_for_buffer(struct qeth_channel *);
859int qeth_mdio_read(struct net_device *, int, int);
860int qeth_snmp_command(struct qeth_card *, char __user *);
4a71df50
FB		 861struct qeth_cmd_buffer *qeth_get_adapter_cmd(struct qeth_card *, __u32, __u32);
862int qeth_default_setadapterparms_cb(struct qeth_card *, struct qeth_reply *,
863 unsigned long);
864int qeth_send_control_data(struct qeth_card *, int, struct qeth_cmd_buffer *,
865 int (*reply_cb)(struct qeth_card *, struct qeth_reply*, unsigned long),
866 void *reply_param);
4a71df50 867int qeth_get_priority_queue(struct qeth_card *, struct sk_buff *, int, int);
4a71df50
FB		 868int qeth_get_elements_no(struct qeth_card *, void *, struct sk_buff *, int);
869int qeth_do_send_packet_fast(struct qeth_card *, struct qeth_qdio_out_q *,
64ef8957 870 struct sk_buff *, struct qeth_hdr *, int, int, int);
4a71df50 871int qeth_do_send_packet(struct qeth_card *, struct qeth_qdio_out_q *,
64ef8957 872 struct sk_buff *, struct qeth_hdr *, int);
df8b4ec8 873int qeth_core_get_sset_count(struct net_device *, int);
4a71df50
FB		 874void qeth_core_get_ethtool_stats(struct net_device *,
875 struct ethtool_stats *, u64 *);
876void qeth_core_get_strings(struct net_device *, u32, u8 *);
877void qeth_core_get_drvinfo(struct net_device *, struct ethtool_drvinfo *);
8e96c51c 878void qeth_dbf_longtext(debug_info_t *id, int level, char *text, ...);
3f9975aa 879int qeth_core_ethtool_get_settings(struct net_device *, struct ethtool_cmd *);
d64ecc22 880int qeth_set_access_ctrl_online(struct qeth_card *card);
51aa165c 881int qeth_hdr_chk_and_bounce(struct sk_buff *, int);
4a71df50
FB		 882
883/* exports for OSN */
884int qeth_osn_assist(struct net_device *, void *, int);
885int qeth_osn_register(unsigned char *read_dev_no, struct net_device **,
886 int (*assist_cb)(struct net_device *, void *),
887 int (*data_cb)(struct sk_buff *));
888void qeth_osn_deregister(struct net_device *);
889
890#endif /* __QETH_CORE_H__ */
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