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qeth: struct device - replace bus_id with dev_name(), dev_set_name()
[mirror_ubuntu-hirsute-kernel.git] / drivers / s390 / net / qeth_core.h
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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,
43 QETH_DBF_QERR,
44 QETH_DBF_TRACE,
45 QETH_DBF_MSG,
46 QETH_DBF_SENSE,
47 QETH_DBF_MISC,
48 QETH_DBF_CTRL,
49 QETH_DBF_INFOS /* must be last element */
50};
51
52struct qeth_dbf_info {
53 char name[DEBUG_MAX_NAME_LEN];
54 int pages;
55 int areas;
56 int len;
57 int level;
58 struct debug_view *view;
59 debug_info_t *id;
60};
61
62#define QETH_DBF_CTRL_LEN 256
4a71df50
FB		 63
64#define QETH_DBF_TEXT(name, level, text) \
d11ba0c4 65 debug_text_event(qeth_dbf[QETH_DBF_##name].id, level, text)
4a71df50
FB		 66
67#define QETH_DBF_HEX(name, level, addr, len) \
d11ba0c4
PT		 68 debug_event(qeth_dbf[QETH_DBF_##name].id, level, (void *)(addr), len)
69
70#define QETH_DBF_MESSAGE(level, text...) \
71 debug_sprintf_event(qeth_dbf[QETH_DBF_MSG].id, level, text)
72
73#define QETH_DBF_TEXT_(name, level, text...) \
cd023216 74 qeth_dbf_longtext(QETH_DBF_##name, level, text)
4a71df50 75
4a71df50
FB		 76#define SENSE_COMMAND_REJECT_BYTE 0
77#define SENSE_COMMAND_REJECT_FLAG 0x80
78#define SENSE_RESETTING_EVENT_BYTE 1
79#define SENSE_RESETTING_EVENT_FLAG 0x80
80
81/*
82 * Common IO related definitions
83 */
84#define CARD_RDEV(card) card->read.ccwdev
85#define CARD_WDEV(card) card->write.ccwdev
86#define CARD_DDEV(card) card->data.ccwdev
2a0217d5
KS		 87#define CARD_BUS_ID(card) dev_name(&card->gdev->dev)
88#define CARD_RDEV_ID(card) dev_name(&card->read.ccwdev->dev)
89#define CARD_WDEV_ID(card) dev_name(&card->write.ccwdev->dev)
90#define CARD_DDEV_ID(card) dev_name(&card->data.ccwdev->dev)
91#define CHANNEL_ID(channel) dev_name(&channel->ccwdev->dev)
4a71df50
FB		 92
93/**
94 * card stuff
95 */
96struct qeth_perf_stats {
97 unsigned int bufs_rec;
98 unsigned int bufs_sent;
99
100 unsigned int skbs_sent_pack;
101 unsigned int bufs_sent_pack;
102
103 unsigned int sc_dp_p;
104 unsigned int sc_p_dp;
105 /* qdio_input_handler: number of times called, time spent in */
106 __u64 inbound_start_time;
107 unsigned int inbound_cnt;
108 unsigned int inbound_time;
109 /* qeth_send_packet: number of times called, time spent in */
110 __u64 outbound_start_time;
111 unsigned int outbound_cnt;
112 unsigned int outbound_time;
113 /* qdio_output_handler: number of times called, time spent in */
114 __u64 outbound_handler_start_time;
115 unsigned int outbound_handler_cnt;
116 unsigned int outbound_handler_time;
117 /* number of calls to and time spent in do_QDIO for inbound queue */
118 __u64 inbound_do_qdio_start_time;
119 unsigned int inbound_do_qdio_cnt;
120 unsigned int inbound_do_qdio_time;
121 /* number of calls to and time spent in do_QDIO for outbound queues */
122 __u64 outbound_do_qdio_start_time;
123 unsigned int outbound_do_qdio_cnt;
124 unsigned int outbound_do_qdio_time;
125 /* eddp data */
126 unsigned int large_send_bytes;
127 unsigned int large_send_cnt;
128 unsigned int sg_skbs_sent;
129 unsigned int sg_frags_sent;
130 /* initial values when measuring starts */
131 unsigned long initial_rx_packets;
132 unsigned long initial_tx_packets;
133 /* inbound scatter gather data */
134 unsigned int sg_skbs_rx;
135 unsigned int sg_frags_rx;
136 unsigned int sg_alloc_page_rx;
137};
138
139/* Routing stuff */
140struct qeth_routing_info {
141 enum qeth_routing_types type;
142};
143
144/* IPA stuff */
145struct qeth_ipa_info {
146 __u32 supported_funcs;
147 __u32 enabled_funcs;
148};
149
150static inline int qeth_is_ipa_supported(struct qeth_ipa_info *ipa,
151 enum qeth_ipa_funcs func)
152{
153 return (ipa->supported_funcs & func);
154}
155
156static inline int qeth_is_ipa_enabled(struct qeth_ipa_info *ipa,
157 enum qeth_ipa_funcs func)
158{
159 return (ipa->supported_funcs & ipa->enabled_funcs & func);
160}
161
162#define qeth_adp_supported(c, f) \
163 qeth_is_ipa_supported(&c->options.adp, f)
164#define qeth_adp_enabled(c, f) \
165 qeth_is_ipa_enabled(&c->options.adp, f)
166#define qeth_is_supported(c, f) \
167 qeth_is_ipa_supported(&c->options.ipa4, f)
168#define qeth_is_enabled(c, f) \
169 qeth_is_ipa_enabled(&c->options.ipa4, f)
170#define qeth_is_supported6(c, f) \
171 qeth_is_ipa_supported(&c->options.ipa6, f)
172#define qeth_is_enabled6(c, f) \
173 qeth_is_ipa_enabled(&c->options.ipa6, f)
174#define qeth_is_ipafunc_supported(c, prot, f) \
175 ((prot == QETH_PROT_IPV6) ? \
176 qeth_is_supported6(c, f) : qeth_is_supported(c, f))
177#define qeth_is_ipafunc_enabled(c, prot, f) \
178 ((prot == QETH_PROT_IPV6) ? \
179 qeth_is_enabled6(c, f) : qeth_is_enabled(c, f))
180
181#define QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT 0x0101
182#define QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT 0x0101
183#define QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT 0x4108
184#define QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT 0x5108
185
186#define QETH_MODELLIST_ARRAY \
187 {{0x1731, 0x01, 0x1732, 0x01, QETH_CARD_TYPE_OSAE, 1, \
188 QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT, \
189 QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT, \
190 QETH_MAX_QUEUES, 0}, \
191 {0x1731, 0x05, 0x1732, 0x05, QETH_CARD_TYPE_IQD, 0, \
192 QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT, \
193 QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT, \
194 QETH_MAX_QUEUES, 0x103}, \
195 {0x1731, 0x06, 0x1732, 0x06, QETH_CARD_TYPE_OSN, 0, \
196 QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT, \
197 QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT, \
198 QETH_MAX_QUEUES, 0}, \
199 {0, 0, 0, 0, 0, 0, 0, 0, 0} }
200
201#define QETH_REAL_CARD 1
202#define QETH_VLAN_CARD 2
203#define QETH_BUFSIZE 4096
204
205/**
206 * some more defs
207 */
208#define QETH_TX_TIMEOUT 100 * HZ
209#define QETH_RCD_TIMEOUT 60 * HZ
210#define QETH_HEADER_SIZE 32
211#define QETH_MAX_PORTNO 15
212
213/*IPv6 address autoconfiguration stuff*/
214#define UNIQUE_ID_IF_CREATE_ADDR_FAILED 0xfffe
215#define UNIQUE_ID_NOT_BY_CARD 0x10000
216
217/*****************************************************************************/
218/* QDIO queue and buffer handling */
219/*****************************************************************************/
220#define QETH_MAX_QUEUES 4
221#define QETH_IN_BUF_SIZE_DEFAULT 65536
222#define QETH_IN_BUF_COUNT_DEFAULT 16
223#define QETH_IN_BUF_COUNT_MIN 8
224#define QETH_IN_BUF_COUNT_MAX 128
225#define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12)
226#define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \
227 ((card)->qdio.in_buf_pool.buf_count / 2)
228
229/* buffers we have to be behind before we get a PCI */
230#define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1)
231/*enqueued free buffers left before we get a PCI*/
232#define QETH_PCI_THRESHOLD_B(card) 0
233/*not used unless the microcode gets patched*/
234#define QETH_PCI_TIMER_VALUE(card) 3
235
4a71df50
FB		 236/* priority queing */
237#define QETH_PRIOQ_DEFAULT QETH_NO_PRIO_QUEUEING
238#define QETH_DEFAULT_QUEUE 2
239#define QETH_NO_PRIO_QUEUEING 0
240#define QETH_PRIO_Q_ING_PREC 1
241#define QETH_PRIO_Q_ING_TOS 2
242#define IP_TOS_LOWDELAY 0x10
243#define IP_TOS_HIGHTHROUGHPUT 0x08
244#define IP_TOS_HIGHRELIABILITY 0x04
245#define IP_TOS_NOTIMPORTANT 0x02
246
247/* Packing */
248#define QETH_LOW_WATERMARK_PACK 2
249#define QETH_HIGH_WATERMARK_PACK 5
250#define QETH_WATERMARK_PACK_FUZZ 1
251
252#define QETH_IP_HEADER_SIZE 40
253
254/* large receive scatter gather copy break */
255#define QETH_RX_SG_CB (PAGE_SIZE >> 1)
256
257struct qeth_hdr_layer3 {
258 __u8 id;
259 __u8 flags;
260 __u16 inbound_checksum; /*TSO:__u16 seqno */
261 __u32 token; /*TSO: __u32 reserved */
262 __u16 length;
263 __u8 vlan_prio;
264 __u8 ext_flags;
265 __u16 vlan_id;
266 __u16 frame_offset;
267 __u8 dest_addr[16];
268} __attribute__ ((packed));
269
270struct qeth_hdr_layer2 {
271 __u8 id;
272 __u8 flags[3];
273 __u8 port_no;
274 __u8 hdr_length;
275 __u16 pkt_length;
276 __u16 seq_no;
277 __u16 vlan_id;
278 __u32 reserved;
279 __u8 reserved2[16];
280} __attribute__ ((packed));
281
282struct qeth_hdr_osn {
283 __u8 id;
284 __u8 reserved;
285 __u16 seq_no;
286 __u16 reserved2;
287 __u16 control_flags;
288 __u16 pdu_length;
289 __u8 reserved3[18];
290 __u32 ccid;
291} __attribute__ ((packed));
292
293struct qeth_hdr {
294 union {
295 struct qeth_hdr_layer2 l2;
296 struct qeth_hdr_layer3 l3;
297 struct qeth_hdr_osn osn;
298 } hdr;
299} __attribute__ ((packed));
300
301/*TCP Segmentation Offload header*/
302struct qeth_hdr_ext_tso {
303 __u16 hdr_tot_len;
304 __u8 imb_hdr_no;
305 __u8 reserved;
306 __u8 hdr_type;
307 __u8 hdr_version;
308 __u16 hdr_len;
309 __u32 payload_len;
310 __u16 mss;
311 __u16 dg_hdr_len;
312 __u8 padding[16];
313} __attribute__ ((packed));
314
315struct qeth_hdr_tso {
316 struct qeth_hdr hdr; /*hdr->hdr.l3.xxx*/
317 struct qeth_hdr_ext_tso ext;
318} __attribute__ ((packed));
319
320
321/* flags for qeth_hdr.flags */
322#define QETH_HDR_PASSTHRU 0x10
323#define QETH_HDR_IPV6 0x80
324#define QETH_HDR_CAST_MASK 0x07
325enum qeth_cast_flags {
326 QETH_CAST_UNICAST = 0x06,
327 QETH_CAST_MULTICAST = 0x04,
328 QETH_CAST_BROADCAST = 0x05,
329 QETH_CAST_ANYCAST = 0x07,
330 QETH_CAST_NOCAST = 0x00,
331};
332
333enum qeth_layer2_frame_flags {
334 QETH_LAYER2_FLAG_MULTICAST = 0x01,
335 QETH_LAYER2_FLAG_BROADCAST = 0x02,
336 QETH_LAYER2_FLAG_UNICAST = 0x04,
337 QETH_LAYER2_FLAG_VLAN = 0x10,
338};
339
340enum qeth_header_ids {
341 QETH_HEADER_TYPE_LAYER3 = 0x01,
342 QETH_HEADER_TYPE_LAYER2 = 0x02,
343 QETH_HEADER_TYPE_TSO = 0x03,
344 QETH_HEADER_TYPE_OSN = 0x04,
345};
346/* flags for qeth_hdr.ext_flags */
347#define QETH_HDR_EXT_VLAN_FRAME 0x01
348#define QETH_HDR_EXT_TOKEN_ID 0x02
349#define QETH_HDR_EXT_INCLUDE_VLAN_TAG 0x04
350#define QETH_HDR_EXT_SRC_MAC_ADDR 0x08
351#define QETH_HDR_EXT_CSUM_HDR_REQ 0x10
352#define QETH_HDR_EXT_CSUM_TRANSP_REQ 0x20
353#define QETH_HDR_EXT_UDP_TSO 0x40 /*bit off for TCP*/
354
355static inline int qeth_is_last_sbale(struct qdio_buffer_element *sbale)
356{
357 return (sbale->flags & SBAL_FLAGS_LAST_ENTRY);
358}
359
360enum qeth_qdio_buffer_states {
361 /*
362 * inbound: read out by driver; owned by hardware in order to be filled
363 * outbound: owned by driver in order to be filled
364 */
365 QETH_QDIO_BUF_EMPTY,
366 /*
367 * inbound: filled by hardware; owned by driver in order to be read out
368 * outbound: filled by driver; owned by hardware in order to be sent
369 */
370 QETH_QDIO_BUF_PRIMED,
371};
372
373enum qeth_qdio_info_states {
374 QETH_QDIO_UNINITIALIZED,
375 QETH_QDIO_ALLOCATED,
376 QETH_QDIO_ESTABLISHED,
377 QETH_QDIO_CLEANING
378};
379
380struct qeth_buffer_pool_entry {
381 struct list_head list;
382 struct list_head init_list;
383 void *elements[QDIO_MAX_ELEMENTS_PER_BUFFER];
384};
385
386struct qeth_qdio_buffer_pool {
387 struct list_head entry_list;
388 int buf_count;
389};
390
391struct qeth_qdio_buffer {
392 struct qdio_buffer *buffer;
393 /* the buffer pool entry currently associated to this buffer */
394 struct qeth_buffer_pool_entry *pool_entry;
395};
396
397struct qeth_qdio_q {
398 struct qdio_buffer qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
399 struct qeth_qdio_buffer bufs[QDIO_MAX_BUFFERS_PER_Q];
400 int next_buf_to_init;
401} __attribute__ ((aligned(256)));
402
403/* possible types of qeth large_send support */
404enum qeth_large_send_types {
405 QETH_LARGE_SEND_NO,
406 QETH_LARGE_SEND_EDDP,
407 QETH_LARGE_SEND_TSO,
408};
409
410struct qeth_qdio_out_buffer {
411 struct qdio_buffer *buffer;
412 atomic_t state;
413 int next_element_to_fill;
414 struct sk_buff_head skb_list;
415 struct list_head ctx_list;
683d718a 416 int is_header[16];
4a71df50
FB		 417};
418
419struct qeth_card;
420
421enum qeth_out_q_states {
422 QETH_OUT_Q_UNLOCKED,
423 QETH_OUT_Q_LOCKED,
424 QETH_OUT_Q_LOCKED_FLUSH,
425};
426
427struct qeth_qdio_out_q {
428 struct qdio_buffer qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
429 struct qeth_qdio_out_buffer bufs[QDIO_MAX_BUFFERS_PER_Q];
430 int queue_no;
431 struct qeth_card *card;
432 atomic_t state;
433 int do_pack;
434 /*
435 * index of buffer to be filled by driver; state EMPTY or PACKING
436 */
437 int next_buf_to_fill;
438 /*
439 * number of buffers that are currently filled (PRIMED)
440 * -> these buffers are hardware-owned
441 */
442 atomic_t used_buffers;
443 /* indicates whether PCI flag must be set (or if one is outstanding) */
444 atomic_t set_pci_flags_count;
445} __attribute__ ((aligned(256)));
446
447struct qeth_qdio_info {
448 atomic_t state;
449 /* input */
450 struct qeth_qdio_q *in_q;
451 struct qeth_qdio_buffer_pool in_buf_pool;
452 struct qeth_qdio_buffer_pool init_pool;
453 int in_buf_size;
454
455 /* output */
456 int no_out_queues;
457 struct qeth_qdio_out_q **out_qs;
458
459 /* priority queueing */
460 int do_prio_queueing;
461 int default_out_queue;
462};
463
464enum qeth_send_errors {
465 QETH_SEND_ERROR_NONE,
466 QETH_SEND_ERROR_LINK_FAILURE,
467 QETH_SEND_ERROR_RETRY,
468 QETH_SEND_ERROR_KICK_IT,
469};
470
471#define QETH_ETH_MAC_V4 0x0100 /* like v4 */
472#define QETH_ETH_MAC_V6 0x3333 /* like v6 */
473/* tr mc mac is longer, but that will be enough to detect mc frames */
474#define QETH_TR_MAC_NC 0xc000 /* non-canonical */
475#define QETH_TR_MAC_C 0x0300 /* canonical */
476
477#define DEFAULT_ADD_HHLEN 0
478#define MAX_ADD_HHLEN 1024
479
480/**
481 * buffer stuff for read channel
482 */
483#define QETH_CMD_BUFFER_NO 8
484
485/**
486 * channel state machine
487 */
488enum qeth_channel_states {
489 CH_STATE_UP,
490 CH_STATE_DOWN,
491 CH_STATE_ACTIVATING,
492 CH_STATE_HALTED,
493 CH_STATE_STOPPED,
494 CH_STATE_RCD,
495 CH_STATE_RCD_DONE,
496};
497/**
498 * card state machine
499 */
500enum qeth_card_states {
501 CARD_STATE_DOWN,
502 CARD_STATE_HARDSETUP,
503 CARD_STATE_SOFTSETUP,
504 CARD_STATE_UP,
505 CARD_STATE_RECOVER,
506};
507
508/**
509 * Protocol versions
510 */
511enum qeth_prot_versions {
512 QETH_PROT_IPV4 = 0x0004,
513 QETH_PROT_IPV6 = 0x0006,
514};
515
516enum qeth_ip_types {
517 QETH_IP_TYPE_NORMAL,
518 QETH_IP_TYPE_VIPA,
519 QETH_IP_TYPE_RXIP,
520 QETH_IP_TYPE_DEL_ALL_MC,
521};
522
523enum qeth_cmd_buffer_state {
524 BUF_STATE_FREE,
525 BUF_STATE_LOCKED,
526 BUF_STATE_PROCESSED,
527};
528
529struct qeth_ipato {
530 int enabled;
531 int invert4;
532 int invert6;
533 struct list_head entries;
534};
535
536struct qeth_channel;
537
538struct qeth_cmd_buffer {
539 enum qeth_cmd_buffer_state state;
540 struct qeth_channel *channel;
541 unsigned char *data;
542 int rc;
543 void (*callback) (struct qeth_channel *, struct qeth_cmd_buffer *);
544};
545
546/**
547 * definition of a qeth channel, used for read and write
548 */
549struct qeth_channel {
550 enum qeth_channel_states state;
551 struct ccw1 ccw;
552 spinlock_t iob_lock;
553 wait_queue_head_t wait_q;
554 struct tasklet_struct irq_tasklet;
555 struct ccw_device *ccwdev;
556/*command buffer for control data*/
557 struct qeth_cmd_buffer iob[QETH_CMD_BUFFER_NO];
558 atomic_t irq_pending;
559 int io_buf_no;
560 int buf_no;
561};
562
563/**
564 * OSA card related definitions
565 */
566struct qeth_token {
567 __u32 issuer_rm_w;
568 __u32 issuer_rm_r;
569 __u32 cm_filter_w;
570 __u32 cm_filter_r;
571 __u32 cm_connection_w;
572 __u32 cm_connection_r;
573 __u32 ulp_filter_w;
574 __u32 ulp_filter_r;
575 __u32 ulp_connection_w;
576 __u32 ulp_connection_r;
577};
578
579struct qeth_seqno {
580 __u32 trans_hdr;
581 __u32 pdu_hdr;
582 __u32 pdu_hdr_ack;
583 __u16 ipa;
584 __u32 pkt_seqno;
585};
586
587struct qeth_reply {
588 struct list_head list;
589 wait_queue_head_t wait_q;
590 int (*callback)(struct qeth_card *, struct qeth_reply *,
591 unsigned long);
592 u32 seqno;
593 unsigned long offset;
594 atomic_t received;
595 int rc;
596 void *param;
597 struct qeth_card *card;
598 atomic_t refcnt;
599};
600
601
602struct qeth_card_blkt {
603 int time_total;
604 int inter_packet;
605 int inter_packet_jumbo;
606};
607
608#define QETH_BROADCAST_WITH_ECHO 0x01
609#define QETH_BROADCAST_WITHOUT_ECHO 0x02
610#define QETH_LAYER2_MAC_READ 0x01
611#define QETH_LAYER2_MAC_REGISTERED 0x02
612struct qeth_card_info {
613 unsigned short unit_addr2;
614 unsigned short cula;
615 unsigned short chpid;
616 __u16 func_level;
617 char mcl_level[QETH_MCL_LENGTH + 1];
618 int guestlan;
619 int mac_bits;
620 int portname_required;
621 int portno;
622 char portname[9];
623 enum qeth_card_types type;
624 enum qeth_link_types link_type;
625 int is_multicast_different;
626 int initial_mtu;
627 int max_mtu;
628 int broadcast_capable;
629 int unique_id;
630 struct qeth_card_blkt blkt;
631 __u32 csum_mask;
632 enum qeth_ipa_promisc_modes promisc_mode;
633};
634
635struct qeth_card_options {
636 struct qeth_routing_info route4;
637 struct qeth_ipa_info ipa4;
638 struct qeth_ipa_info adp; /*Adapter parameters*/
639 struct qeth_routing_info route6;
640 struct qeth_ipa_info ipa6;
641 enum qeth_checksum_types checksum_type;
642 int broadcast_mode;
643 int macaddr_mode;
644 int fake_broadcast;
645 int add_hhlen;
4a71df50
FB		 646 int layer2;
647 enum qeth_large_send_types large_send;
648 int performance_stats;
649 int rx_sg_cb;
650};
651
652/*
653 * thread bits for qeth_card thread masks
654 */
655enum qeth_threads {
656 QETH_RECOVER_THREAD = 1,
657};
658
659struct qeth_osn_info {
660 int (*assist_cb)(struct net_device *dev, void *data);
661 int (*data_cb)(struct sk_buff *skb);
662};
663
664enum qeth_discipline_id {
665 QETH_DISCIPLINE_LAYER3 = 0,
666 QETH_DISCIPLINE_LAYER2 = 1,
667};
668
669struct qeth_discipline {
670 qdio_handler_t *input_handler;
671 qdio_handler_t *output_handler;
672 int (*recover)(void *ptr);
673 struct ccwgroup_driver *ccwgdriver;
674};
675
676struct qeth_vlan_vid {
677 struct list_head list;
678 unsigned short vid;
679};
680
681struct qeth_mc_mac {
682 struct list_head list;
683 __u8 mc_addr[MAX_ADDR_LEN];
684 unsigned char mc_addrlen;
7db2266a 685 int is_vmac;
4a71df50
FB		 686};
687
688struct qeth_card {
689 struct list_head list;
690 enum qeth_card_states state;
691 int lan_online;
692 spinlock_t lock;
693 struct ccwgroup_device *gdev;
694 struct qeth_channel read;
695 struct qeth_channel write;
696 struct qeth_channel data;
697
698 struct net_device *dev;
699 struct net_device_stats stats;
700
701 struct qeth_card_info info;
702 struct qeth_token token;
703 struct qeth_seqno seqno;
704 struct qeth_card_options options;
705
706 wait_queue_head_t wait_q;
707 spinlock_t vlanlock;
708 spinlock_t mclock;
709 struct vlan_group *vlangrp;
710 struct list_head vid_list;
711 struct list_head mc_list;
712 struct work_struct kernel_thread_starter;
713 spinlock_t thread_mask_lock;
714 unsigned long thread_start_mask;
715 unsigned long thread_allowed_mask;
716 unsigned long thread_running_mask;
717 spinlock_t ip_lock;
718 struct list_head ip_list;
719 struct list_head *ip_tbd_list;
720 struct qeth_ipato ipato;
721 struct list_head cmd_waiter_list;
722 /* QDIO buffer handling */
723 struct qeth_qdio_info qdio;
724 struct qeth_perf_stats perf_stats;
725 int use_hard_stop;
726 struct qeth_osn_info osn_info;
727 struct qeth_discipline discipline;
728 atomic_t force_alloc_skb;
6bcac508 729 struct service_level qeth_service_level;
4a71df50
FB		 730};
731
732struct qeth_card_list_struct {
733 struct list_head list;
734 rwlock_t rwlock;
735};
736
737/*some helper functions*/
738#define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "")
739
740static inline struct qeth_card *CARD_FROM_CDEV(struct ccw_device *cdev)
741{
742 struct qeth_card *card = dev_get_drvdata(&((struct ccwgroup_device *)
743 dev_get_drvdata(&cdev->dev))->dev);
744 return card;
745}
746
747static inline int qeth_get_micros(void)
748{
749 return (int) (get_clock() >> 12);
750}
751
4a71df50
FB		 752static inline int qeth_get_ip_version(struct sk_buff *skb)
753{
754 switch (skb->protocol) {
755 case ETH_P_IPV6:
756 return 6;
757 case ETH_P_IP:
758 return 4;
759 default:
760 return 0;
761 }
762}
763
f90b744e
FB		 764static inline void qeth_put_buffer_pool_entry(struct qeth_card *card,
765 struct qeth_buffer_pool_entry *entry)
766{
767 list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list);
768}
769
4a71df50
FB		 770struct qeth_eddp_context;
771extern struct ccwgroup_driver qeth_l2_ccwgroup_driver;
772extern struct ccwgroup_driver qeth_l3_ccwgroup_driver;
773const char *qeth_get_cardname_short(struct qeth_card *);
774int qeth_realloc_buffer_pool(struct qeth_card *, int);
775int qeth_core_load_discipline(struct qeth_card *, enum qeth_discipline_id);
776void qeth_core_free_discipline(struct qeth_card *);
777int qeth_core_create_device_attributes(struct device *);
778void qeth_core_remove_device_attributes(struct device *);
779int qeth_core_create_osn_attributes(struct device *);
780void qeth_core_remove_osn_attributes(struct device *);
781
782/* exports for qeth discipline device drivers */
783extern struct qeth_card_list_struct qeth_core_card_list;
683d718a 784extern struct kmem_cache *qeth_core_header_cache;
d11ba0c4 785extern struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS];
4a71df50
FB		 786
787void qeth_set_allowed_threads(struct qeth_card *, unsigned long , int);
788int qeth_threads_running(struct qeth_card *, unsigned long);
789int qeth_wait_for_threads(struct qeth_card *, unsigned long);
790int qeth_do_run_thread(struct qeth_card *, unsigned long);
791void qeth_clear_thread_start_bit(struct qeth_card *, unsigned long);
792void qeth_clear_thread_running_bit(struct qeth_card *, unsigned long);
793int qeth_core_hardsetup_card(struct qeth_card *);
794void qeth_print_status_message(struct qeth_card *);
795int qeth_init_qdio_queues(struct qeth_card *);
796int qeth_send_startlan(struct qeth_card *);
797int qeth_send_stoplan(struct qeth_card *);
798int qeth_send_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *,
799 int (*reply_cb)
800 (struct qeth_card *, struct qeth_reply *, unsigned long),
801 void *);
802struct qeth_cmd_buffer *qeth_get_ipacmd_buffer(struct qeth_card *,
803 enum qeth_ipa_cmds, enum qeth_prot_versions);
804int qeth_query_setadapterparms(struct qeth_card *);
779e6e1c 805int qeth_check_qdio_errors(struct qdio_buffer *, unsigned int, const char *);
4a71df50
FB		 806void qeth_queue_input_buffer(struct qeth_card *, int);
807struct sk_buff *qeth_core_get_next_skb(struct qeth_card *,
808 struct qdio_buffer *, struct qdio_buffer_element **, int *,
809 struct qeth_hdr **);
810void qeth_schedule_recovery(struct qeth_card *);
811void qeth_qdio_output_handler(struct ccw_device *, unsigned int,
779e6e1c 812 int, int, int, unsigned long);
4a71df50
FB		 813void qeth_clear_ipacmd_list(struct qeth_card *);
814int qeth_qdio_clear_card(struct qeth_card *, int);
815void qeth_clear_working_pool_list(struct qeth_card *);
816void qeth_clear_cmd_buffers(struct qeth_channel *);
817void qeth_clear_qdio_buffers(struct qeth_card *);
818void qeth_setadp_promisc_mode(struct qeth_card *);
819struct net_device_stats *qeth_get_stats(struct net_device *);
820int qeth_change_mtu(struct net_device *, int);
821int qeth_setadpparms_change_macaddr(struct qeth_card *);
822void qeth_tx_timeout(struct net_device *);
823void qeth_prepare_control_data(struct qeth_card *, int,
824 struct qeth_cmd_buffer *);
825void qeth_release_buffer(struct qeth_channel *, struct qeth_cmd_buffer *);
826void qeth_prepare_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, char);
827struct qeth_cmd_buffer *qeth_wait_for_buffer(struct qeth_channel *);
828int qeth_mdio_read(struct net_device *, int, int);
829int qeth_snmp_command(struct qeth_card *, char __user *);
830int qeth_set_large_send(struct qeth_card *, enum qeth_large_send_types);
831struct qeth_cmd_buffer *qeth_get_adapter_cmd(struct qeth_card *, __u32, __u32);
832int qeth_default_setadapterparms_cb(struct qeth_card *, struct qeth_reply *,
833 unsigned long);
834int qeth_send_control_data(struct qeth_card *, int, struct qeth_cmd_buffer *,
835 int (*reply_cb)(struct qeth_card *, struct qeth_reply*, unsigned long),
836 void *reply_param);
837int qeth_get_cast_type(struct qeth_card *, struct sk_buff *);
838int qeth_get_priority_queue(struct qeth_card *, struct sk_buff *, int, int);
4a71df50
FB		 839int qeth_get_elements_no(struct qeth_card *, void *, struct sk_buff *, int);
840int qeth_do_send_packet_fast(struct qeth_card *, struct qeth_qdio_out_q *,
841 struct sk_buff *, struct qeth_hdr *, int,
683d718a 842 struct qeth_eddp_context *, int, int);
4a71df50
FB		 843int qeth_do_send_packet(struct qeth_card *, struct qeth_qdio_out_q *,
844 struct sk_buff *, struct qeth_hdr *,
845 int, struct qeth_eddp_context *);
846int qeth_core_get_stats_count(struct net_device *);
847void qeth_core_get_ethtool_stats(struct net_device *,
848 struct ethtool_stats *, u64 *);
849void qeth_core_get_strings(struct net_device *, u32, u8 *);
850void qeth_core_get_drvinfo(struct net_device *, struct ethtool_drvinfo *);
cd023216 851void qeth_dbf_longtext(enum qeth_dbf_names dbf_nix, int level, char *text, ...);
3f9975aa 852int qeth_core_ethtool_get_settings(struct net_device *, struct ethtool_cmd *);
4a71df50
FB		 853
854/* exports for OSN */
855int qeth_osn_assist(struct net_device *, void *, int);
856int qeth_osn_register(unsigned char *read_dev_no, struct net_device **,
857 int (*assist_cb)(struct net_device *, void *),
858 int (*data_cb)(struct sk_buff *));
859void qeth_osn_deregister(struct net_device *);
860
861#endif /* __QETH_CORE_H__ */
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