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License cleanup: add SPDX GPL-2.0 license identifier to files with no license
[mirror_ubuntu-bionic-kernel.git] / drivers / s390 / net / qeth_core.h
CommitLineData
b2441318 1/* SPDX-License-Identifier: GPL-2.0 */
4a71df50 2/*
4a71df50
FB		 3 * Copyright IBM Corp. 2007
4 * Author(s): Utz Bacher <utz.bacher@de.ibm.com>,
5 * Frank Pavlic <fpavlic@de.ibm.com>,
6 * Thomas Spatzier <tspat@de.ibm.com>,
7 * Frank Blaschka <frank.blaschka@de.ibm.com>
8 */
9
10#ifndef __QETH_CORE_H__
11#define __QETH_CORE_H__
12
13#include <linux/if.h>
14#include <linux/if_arp.h>
4a71df50
FB		 15#include <linux/etherdevice.h>
16#include <linux/if_vlan.h>
17#include <linux/ctype.h>
18#include <linux/in6.h>
19#include <linux/bitops.h>
20#include <linux/seq_file.h>
21#include <linux/ethtool.h>
fe5c8028 22#include <linux/hashtable.h>
41aeed58 23#include <linux/ip.h>
4a71df50
FB		 24
25#include <net/ipv6.h>
26#include <net/if_inet6.h>
27#include <net/addrconf.h>
28
29#include <asm/debug.h>
30#include <asm/qdio.h>
31#include <asm/ccwdev.h>
32#include <asm/ccwgroup.h>
6bcac508 33#include <asm/sysinfo.h>
4a71df50
FB		 34
35#include "qeth_core_mpc.h"
36
37/**
38 * Debug Facility stuff
39 */
d11ba0c4
PT		 40enum qeth_dbf_names {
41 QETH_DBF_SETUP,
d11ba0c4 42 QETH_DBF_MSG,
d11ba0c4
PT		 43 QETH_DBF_CTRL,
44 QETH_DBF_INFOS /* must be last element */
45};
46
47struct qeth_dbf_info {
48 char name[DEBUG_MAX_NAME_LEN];
49 int pages;
50 int areas;
51 int len;
52 int level;
53 struct debug_view *view;
54 debug_info_t *id;
55};
56
57#define QETH_DBF_CTRL_LEN 256
4a71df50
FB		 58
59#define QETH_DBF_TEXT(name, level, text) \
d11ba0c4 60 debug_text_event(qeth_dbf[QETH_DBF_##name].id, level, text)
4a71df50
FB		 61
62#define QETH_DBF_HEX(name, level, addr, len) \
d11ba0c4
PT		 63 debug_event(qeth_dbf[QETH_DBF_##name].id, level, (void *)(addr), len)
64
65#define QETH_DBF_MESSAGE(level, text...) \
66 debug_sprintf_event(qeth_dbf[QETH_DBF_MSG].id, level, text)
67
68#define QETH_DBF_TEXT_(name, level, text...) \
8e96c51c 69 qeth_dbf_longtext(qeth_dbf[QETH_DBF_##name].id, level, text)
4a71df50 70
af039068
CO		 71#define QETH_CARD_TEXT(card, level, text) \
72 debug_text_event(card->debug, level, text)
73
74#define QETH_CARD_HEX(card, level, addr, len) \
75 debug_event(card->debug, level, (void *)(addr), len)
76
77#define QETH_CARD_MESSAGE(card, text...) \
78 debug_sprintf_event(card->debug, level, text)
79
80#define QETH_CARD_TEXT_(card, level, text...) \
81 qeth_dbf_longtext(card->debug, level, text)
82
4a71df50
FB		 83#define SENSE_COMMAND_REJECT_BYTE 0
84#define SENSE_COMMAND_REJECT_FLAG 0x80
85#define SENSE_RESETTING_EVENT_BYTE 1
86#define SENSE_RESETTING_EVENT_FLAG 0x80
87
88/*
89 * Common IO related definitions
90 */
91#define CARD_RDEV(card) card->read.ccwdev
92#define CARD_WDEV(card) card->write.ccwdev
93#define CARD_DDEV(card) card->data.ccwdev
2a0217d5
KS		 94#define CARD_BUS_ID(card) dev_name(&card->gdev->dev)
95#define CARD_RDEV_ID(card) dev_name(&card->read.ccwdev->dev)
96#define CARD_WDEV_ID(card) dev_name(&card->write.ccwdev->dev)
97#define CARD_DDEV_ID(card) dev_name(&card->data.ccwdev->dev)
98#define CHANNEL_ID(channel) dev_name(&channel->ccwdev->dev)
4a71df50
FB		 99
100/**
101 * card stuff
102 */
103struct qeth_perf_stats {
104 unsigned int bufs_rec;
105 unsigned int bufs_sent;
106
107 unsigned int skbs_sent_pack;
108 unsigned int bufs_sent_pack;
109
110 unsigned int sc_dp_p;
111 unsigned int sc_p_dp;
0da9581d
EL		 112 /* qdio_cq_handler: number of times called, time spent in */
113 __u64 cq_start_time;
114 unsigned int cq_cnt;
115 unsigned int cq_time;
4a71df50
FB		 116 /* qdio_input_handler: number of times called, time spent in */
117 __u64 inbound_start_time;
118 unsigned int inbound_cnt;
119 unsigned int inbound_time;
120 /* qeth_send_packet: number of times called, time spent in */
121 __u64 outbound_start_time;
122 unsigned int outbound_cnt;
123 unsigned int outbound_time;
124 /* qdio_output_handler: number of times called, time spent in */
125 __u64 outbound_handler_start_time;
126 unsigned int outbound_handler_cnt;
127 unsigned int outbound_handler_time;
128 /* number of calls to and time spent in do_QDIO for inbound queue */
129 __u64 inbound_do_qdio_start_time;
130 unsigned int inbound_do_qdio_cnt;
131 unsigned int inbound_do_qdio_time;
132 /* number of calls to and time spent in do_QDIO for outbound queues */
133 __u64 outbound_do_qdio_start_time;
134 unsigned int outbound_do_qdio_cnt;
135 unsigned int outbound_do_qdio_time;
4a71df50
FB		 136 unsigned int large_send_bytes;
137 unsigned int large_send_cnt;
138 unsigned int sg_skbs_sent;
139 unsigned int sg_frags_sent;
140 /* initial values when measuring starts */
141 unsigned long initial_rx_packets;
142 unsigned long initial_tx_packets;
143 /* inbound scatter gather data */
144 unsigned int sg_skbs_rx;
145 unsigned int sg_frags_rx;
146 unsigned int sg_alloc_page_rx;
f61a0d05 147 unsigned int tx_csum;
c3b4a740 148 unsigned int tx_lin;
6059c905 149 unsigned int tx_linfail;
4a71df50
FB		 150};
151
152/* Routing stuff */
153struct qeth_routing_info {
154 enum qeth_routing_types type;
155};
156
157/* IPA stuff */
158struct qeth_ipa_info {
159 __u32 supported_funcs;
160 __u32 enabled_funcs;
161};
162
b4d72c08
EC		 163/* SETBRIDGEPORT stuff */
164enum qeth_sbp_roles {
165 QETH_SBP_ROLE_NONE = 0,
166 QETH_SBP_ROLE_PRIMARY = 1,
167 QETH_SBP_ROLE_SECONDARY = 2,
168};
169
170enum qeth_sbp_states {
171 QETH_SBP_STATE_INACTIVE = 0,
172 QETH_SBP_STATE_STANDBY = 1,
173 QETH_SBP_STATE_ACTIVE = 2,
174};
175
9f48b9db
EC		 176#define QETH_SBP_HOST_NOTIFICATION 1
177
b4d72c08
EC		 178struct qeth_sbp_info {
179 __u32 supported_funcs;
180 enum qeth_sbp_roles role;
9f48b9db 181 __u32 hostnotification:1;
0db587b0
EC		 182 __u32 reflect_promisc:1;
183 __u32 reflect_promisc_primary:1;
b4d72c08
EC		 184};
185
4a71df50
FB		 186static inline int qeth_is_ipa_supported(struct qeth_ipa_info *ipa,
187 enum qeth_ipa_funcs func)
188{
189 return (ipa->supported_funcs & func);
190}
191
192static inline int qeth_is_ipa_enabled(struct qeth_ipa_info *ipa,
193 enum qeth_ipa_funcs func)
194{
195 return (ipa->supported_funcs & ipa->enabled_funcs & func);
196}
197
198#define qeth_adp_supported(c, f) \
199 qeth_is_ipa_supported(&c->options.adp, f)
200#define qeth_adp_enabled(c, f) \
201 qeth_is_ipa_enabled(&c->options.adp, f)
202#define qeth_is_supported(c, f) \
203 qeth_is_ipa_supported(&c->options.ipa4, f)
204#define qeth_is_enabled(c, f) \
205 qeth_is_ipa_enabled(&c->options.ipa4, f)
206#define qeth_is_supported6(c, f) \
207 qeth_is_ipa_supported(&c->options.ipa6, f)
208#define qeth_is_enabled6(c, f) \
209 qeth_is_ipa_enabled(&c->options.ipa6, f)
210#define qeth_is_ipafunc_supported(c, prot, f) \
211 ((prot == QETH_PROT_IPV6) ? \
212 qeth_is_supported6(c, f) : qeth_is_supported(c, f))
213#define qeth_is_ipafunc_enabled(c, prot, f) \
214 ((prot == QETH_PROT_IPV6) ? \
215 qeth_is_enabled6(c, f) : qeth_is_enabled(c, f))
216
5113fec0 217#define QETH_IDX_FUNC_LEVEL_OSD 0x0101
6298263a 218#define QETH_IDX_FUNC_LEVEL_IQD 0x4108
4a71df50
FB		 219
220#define QETH_MODELLIST_ARRAY \
5113fec0
UB		 221 {{0x1731, 0x01, 0x1732, QETH_CARD_TYPE_OSD, QETH_MAX_QUEUES, 0}, \
222 {0x1731, 0x05, 0x1732, QETH_CARD_TYPE_IQD, QETH_MAX_QUEUES, 0x103}, \
223 {0x1731, 0x06, 0x1732, QETH_CARD_TYPE_OSN, QETH_MAX_QUEUES, 0}, \
224 {0x1731, 0x02, 0x1732, QETH_CARD_TYPE_OSM, QETH_MAX_QUEUES, 0}, \
225 {0x1731, 0x02, 0x1732, QETH_CARD_TYPE_OSX, QETH_MAX_QUEUES, 0}, \
226 {0, 0, 0, 0, 0, 0} }
227#define QETH_CU_TYPE_IND 0
228#define QETH_CU_MODEL_IND 1
229#define QETH_DEV_TYPE_IND 2
230#define QETH_DEV_MODEL_IND 3
231#define QETH_QUEUE_NO_IND 4
232#define QETH_MULTICAST_IND 5
4a71df50
FB		 233
234#define QETH_REAL_CARD 1
235#define QETH_VLAN_CARD 2
236#define QETH_BUFSIZE 4096
237
238/**
239 * some more defs
240 */
241#define QETH_TX_TIMEOUT 100 * HZ
242#define QETH_RCD_TIMEOUT 60 * HZ
b3332930 243#define QETH_RECLAIM_WORK_TIME HZ
4a71df50
FB		 244#define QETH_MAX_PORTNO 15
245
246/*IPv6 address autoconfiguration stuff*/
247#define UNIQUE_ID_IF_CREATE_ADDR_FAILED 0xfffe
248#define UNIQUE_ID_NOT_BY_CARD 0x10000
249
250/*****************************************************************************/
251/* QDIO queue and buffer handling */
252/*****************************************************************************/
253#define QETH_MAX_QUEUES 4
254#define QETH_IN_BUF_SIZE_DEFAULT 65536
dcf4ae2d
FB		 255#define QETH_IN_BUF_COUNT_DEFAULT 64
256#define QETH_IN_BUF_COUNT_HSDEFAULT 128
4a71df50
FB		 257#define QETH_IN_BUF_COUNT_MIN 8
258#define QETH_IN_BUF_COUNT_MAX 128
259#define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12)
260#define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \
0284a0fd 261 ((card)->qdio.in_buf_pool.buf_count / 2)
4a71df50
FB		 262
263/* buffers we have to be behind before we get a PCI */
264#define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1)
265/*enqueued free buffers left before we get a PCI*/
266#define QETH_PCI_THRESHOLD_B(card) 0
267/*not used unless the microcode gets patched*/
268#define QETH_PCI_TIMER_VALUE(card) 3
269
4a71df50
FB		 270/* priority queing */
271#define QETH_PRIOQ_DEFAULT QETH_NO_PRIO_QUEUEING
272#define QETH_DEFAULT_QUEUE 2
273#define QETH_NO_PRIO_QUEUEING 0
274#define QETH_PRIO_Q_ING_PREC 1
275#define QETH_PRIO_Q_ING_TOS 2
d66cb37e
SR		 276#define QETH_PRIO_Q_ING_SKB 3
277#define QETH_PRIO_Q_ING_VLAN 4
4a71df50
FB		 278
279/* Packing */
280#define QETH_LOW_WATERMARK_PACK 2
281#define QETH_HIGH_WATERMARK_PACK 5
282#define QETH_WATERMARK_PACK_FUZZ 1
283
4a71df50
FB		 284/* large receive scatter gather copy break */
285#define QETH_RX_SG_CB (PAGE_SIZE >> 1)
b3332930 286#define QETH_RX_PULL_LEN 256
4a71df50
FB		 287
288struct 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
301struct 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
313struct 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
324struct 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*/
333struct 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
346struct 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
356enum 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
364enum 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
371enum 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
f6b85b6c 384#define QETH_HDR_EXT_UDP 0x40 /*bit off for TCP*/
4a71df50 385
4a71df50
FB		 386enum 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,
b3332930
FB		 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,
0da9581d
EL		 407 /*
408 * inbound: not applicable
409 * outbound: handled via transfer pending / completion queue
410 */
411 QETH_QDIO_BUF_HANDLED_DELAYED,
4a71df50
FB		 412};
413
414enum qeth_qdio_info_states {
415 QETH_QDIO_UNINITIALIZED,
416 QETH_QDIO_ALLOCATED,
417 QETH_QDIO_ESTABLISHED,
418 QETH_QDIO_CLEANING
419};
420
421struct 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
427struct qeth_qdio_buffer_pool {
428 struct list_head entry_list;
429 int buf_count;
430};
431
432struct 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;
b3332930 436 struct sk_buff *rx_skb;
4a71df50
FB		 437};
438
439struct qeth_qdio_q {
6d284bde 440 struct qdio_buffer *qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
4a71df50
FB		 441 struct qeth_qdio_buffer bufs[QDIO_MAX_BUFFERS_PER_Q];
442 int next_buf_to_init;
6d284bde 443};
4a71df50 444
4a71df50
FB		 445struct 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;
2aedd56a 450 int is_header[QDIO_MAX_ELEMENTS_PER_BUFFER];
0da9581d
EL		 451
452 struct qaob *aob;
453 struct qeth_qdio_out_q *q;
454 struct qeth_qdio_out_buffer *next_pending;
4a71df50
FB		 455};
456
457struct qeth_card;
458
459enum qeth_out_q_states {
460 QETH_OUT_Q_UNLOCKED,
461 QETH_OUT_Q_LOCKED,
462 QETH_OUT_Q_LOCKED_FLUSH,
463};
464
465struct qeth_qdio_out_q {
d445a4e2 466 struct qdio_buffer *qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
0da9581d
EL		 467 struct qeth_qdio_out_buffer *bufs[QDIO_MAX_BUFFERS_PER_Q];
468 struct qdio_outbuf_state *bufstates; /* convenience pointer */
4a71df50
FB		 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;
d445a4e2 484};
4a71df50
FB		 485
486struct qeth_qdio_info {
487 atomic_t state;
488 /* input */
0da9581d 489 int no_in_queues;
4a71df50 490 struct qeth_qdio_q *in_q;
0da9581d 491 struct qeth_qdio_q *c_q;
4a71df50
FB		 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;
0da9581d 499 struct qdio_outbuf_state *out_bufstates;
4a71df50
FB		 500
501 /* priority queueing */
502 int do_prio_queueing;
503 int default_out_queue;
504};
505
4a71df50
FB		 506#define QETH_ETH_MAC_V4 0x0100 /* like v4 */
507#define QETH_ETH_MAC_V6 0x3333 /* like v6 */
508/* tr mc mac is longer, but that will be enough to detect mc frames */
509#define QETH_TR_MAC_NC 0xc000 /* non-canonical */
510#define QETH_TR_MAC_C 0x0300 /* canonical */
511
4a71df50
FB		 512/**
513 * buffer stuff for read channel
514 */
515#define QETH_CMD_BUFFER_NO 8
516
517/**
518 * channel state machine
519 */
520enum qeth_channel_states {
521 CH_STATE_UP,
522 CH_STATE_DOWN,
523 CH_STATE_ACTIVATING,
524 CH_STATE_HALTED,
525 CH_STATE_STOPPED,
526 CH_STATE_RCD,
527 CH_STATE_RCD_DONE,
528};
529/**
530 * card state machine
531 */
532enum qeth_card_states {
533 CARD_STATE_DOWN,
534 CARD_STATE_HARDSETUP,
535 CARD_STATE_SOFTSETUP,
536 CARD_STATE_UP,
537 CARD_STATE_RECOVER,
538};
539
540/**
541 * Protocol versions
542 */
543enum qeth_prot_versions {
544 QETH_PROT_IPV4 = 0x0004,
545 QETH_PROT_IPV6 = 0x0006,
546};
547
548enum qeth_ip_types {
549 QETH_IP_TYPE_NORMAL,
550 QETH_IP_TYPE_VIPA,
551 QETH_IP_TYPE_RXIP,
4a71df50
FB		 552};
553
554enum qeth_cmd_buffer_state {
555 BUF_STATE_FREE,
556 BUF_STATE_LOCKED,
557 BUF_STATE_PROCESSED,
558};
559
0da9581d
EL		 560enum qeth_cq {
561 QETH_CQ_DISABLED = 0,
562 QETH_CQ_ENABLED = 1,
563 QETH_CQ_NOTAVAILABLE = 2,
564};
565
4a71df50
FB		 566struct qeth_ipato {
567 int enabled;
568 int invert4;
569 int invert6;
570 struct list_head entries;
571};
572
573struct qeth_channel;
574
575struct qeth_cmd_buffer {
576 enum qeth_cmd_buffer_state state;
577 struct qeth_channel *channel;
578 unsigned char *data;
579 int rc;
580 void (*callback) (struct qeth_channel *, struct qeth_cmd_buffer *);
581};
582
583/**
584 * definition of a qeth channel, used for read and write
585 */
586struct qeth_channel {
587 enum qeth_channel_states state;
588 struct ccw1 ccw;
589 spinlock_t iob_lock;
590 wait_queue_head_t wait_q;
4a71df50
FB		 591 struct ccw_device *ccwdev;
592/*command buffer for control data*/
593 struct qeth_cmd_buffer iob[QETH_CMD_BUFFER_NO];
594 atomic_t irq_pending;
595 int io_buf_no;
596 int buf_no;
597};
598
599/**
600 * OSA card related definitions
601 */
602struct qeth_token {
603 __u32 issuer_rm_w;
604 __u32 issuer_rm_r;
605 __u32 cm_filter_w;
606 __u32 cm_filter_r;
607 __u32 cm_connection_w;
608 __u32 cm_connection_r;
609 __u32 ulp_filter_w;
610 __u32 ulp_filter_r;
611 __u32 ulp_connection_w;
612 __u32 ulp_connection_r;
613};
614
615struct qeth_seqno {
616 __u32 trans_hdr;
617 __u32 pdu_hdr;
618 __u32 pdu_hdr_ack;
619 __u16 ipa;
620 __u32 pkt_seqno;
621};
622
623struct qeth_reply {
624 struct list_head list;
625 wait_queue_head_t wait_q;
626 int (*callback)(struct qeth_card *, struct qeth_reply *,
627 unsigned long);
628 u32 seqno;
629 unsigned long offset;
630 atomic_t received;
631 int rc;
632 void *param;
633 struct qeth_card *card;
634 atomic_t refcnt;
635};
636
4a71df50
FB		 637struct 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
647struct 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;
4a71df50 655 int portno;
4a71df50
FB		 656 enum qeth_card_types type;
657 enum qeth_link_types link_type;
658 int is_multicast_different;
659 int initial_mtu;
660 int max_mtu;
661 int broadcast_capable;
662 int unique_id;
c70eb09d 663 bool layer_enforced;
4a71df50 664 struct qeth_card_blkt blkt;
4a71df50 665 enum qeth_ipa_promisc_modes promisc_mode;
1da74b1c
FB		 666 __u32 diagass_support;
667 __u32 hwtrap;
4a71df50
FB		 668};
669
670struct qeth_card_options {
671 struct qeth_routing_info route4;
672 struct qeth_ipa_info ipa4;
673 struct qeth_ipa_info adp; /*Adapter parameters*/
674 struct qeth_routing_info route6;
675 struct qeth_ipa_info ipa6;
b4d72c08 676 struct qeth_sbp_info sbp; /* SETBRIDGEPORT options */
4a71df50 677 int fake_broadcast;
4a71df50 678 int layer2;
4a71df50
FB		 679 int performance_stats;
680 int rx_sg_cb;
d64ecc22 681 enum qeth_ipa_isolation_modes isolation;
0f54761d 682 enum qeth_ipa_isolation_modes prev_isolation;
76b11f8e 683 int sniffer;
0da9581d 684 enum qeth_cq cq;
b3332930 685 char hsuid[9];
4a71df50
FB		 686};
687
688/*
689 * thread bits for qeth_card thread masks
690 */
691enum qeth_threads {
692 QETH_RECOVER_THREAD = 1,
693};
694
695struct qeth_osn_info {
696 int (*assist_cb)(struct net_device *dev, void *data);
697 int (*data_cb)(struct sk_buff *skb);
698};
699
700enum qeth_discipline_id {
c70eb09d 701 QETH_DISCIPLINE_UNDETERMINED = -1,
4a71df50
FB		 702 QETH_DISCIPLINE_LAYER3 = 0,
703 QETH_DISCIPLINE_LAYER2 = 1,
704};
705
706struct qeth_discipline {
2d2ebb3e 707 const struct device_type *devtype;
a1c3ed4c 708 void (*start_poll)(struct ccw_device *, int, unsigned long);
4a71df50
FB		 709 qdio_handler_t *input_handler;
710 qdio_handler_t *output_handler;
d73ef324 711 int (*process_rx_buffer)(struct qeth_card *card, int budget, int *done);
4a71df50 712 int (*recover)(void *ptr);
c041f2d4
SO		 713 int (*setup) (struct ccwgroup_device *);
714 void (*remove) (struct ccwgroup_device *);
715 int (*set_online) (struct ccwgroup_device *);
716 int (*set_offline) (struct ccwgroup_device *);
c041f2d4
SO		 717 int (*freeze)(struct ccwgroup_device *);
718 int (*thaw) (struct ccwgroup_device *);
719 int (*restore)(struct ccwgroup_device *);
942d6984 720 int (*do_ioctl)(struct net_device *dev, struct ifreq *rq, int cmd);
c044dc21
EC		 721 int (*control_event_handler)(struct qeth_card *card,
722 struct qeth_ipa_cmd *cmd);
4a71df50
FB		 723};
724
725struct qeth_vlan_vid {
726 struct list_head list;
727 unsigned short vid;
728};
729
5f78e29c
LD		 730enum qeth_addr_disposition {
731 QETH_DISP_ADDR_DELETE = 0,
732 QETH_DISP_ADDR_DO_NOTHING = 1,
733 QETH_DISP_ADDR_ADD = 2,
4a71df50
FB		 734};
735
a1c3ed4c
FB		 736struct qeth_rx {
737 int b_count;
738 int b_index;
739 struct qdio_buffer_element *b_element;
740 int e_offset;
741 int qdio_err;
742};
743
02d5cb5b
EC		 744struct carrier_info {
745 __u8 card_type;
746 __u16 port_mode;
747 __u32 port_speed;
748};
749
45cbb2e4
SR		 750struct qeth_switch_info {
751 __u32 capabilities;
752 __u32 settings;
753};
754
6541aa52 755#define QETH_NAPI_WEIGHT NAPI_POLL_WEIGHT
a1c3ed4c 756
4a71df50
FB		 757struct qeth_card {
758 struct list_head list;
759 enum qeth_card_states state;
760 int lan_online;
761 spinlock_t lock;
762 struct ccwgroup_device *gdev;
763 struct qeth_channel read;
764 struct qeth_channel write;
765 struct qeth_channel data;
766
767 struct net_device *dev;
768 struct net_device_stats stats;
769
770 struct qeth_card_info info;
771 struct qeth_token token;
772 struct qeth_seqno seqno;
773 struct qeth_card_options options;
774
775 wait_queue_head_t wait_q;
776 spinlock_t vlanlock;
777 spinlock_t mclock;
7ff0bcf6 778 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
4a71df50 779 struct list_head vid_list;
fe5c8028 780 DECLARE_HASHTABLE(mac_htable, 4);
5f78e29c
LD		 781 DECLARE_HASHTABLE(ip_htable, 4);
782 DECLARE_HASHTABLE(ip_mc_htable, 4);
4a71df50
FB		 783 struct work_struct kernel_thread_starter;
784 spinlock_t thread_mask_lock;
785 unsigned long thread_start_mask;
786 unsigned long thread_allowed_mask;
787 unsigned long thread_running_mask;
65d8013c 788 struct task_struct *recovery_task;
4a71df50 789 spinlock_t ip_lock;
4a71df50
FB		 790 struct qeth_ipato ipato;
791 struct list_head cmd_waiter_list;
792 /* QDIO buffer handling */
793 struct qeth_qdio_info qdio;
794 struct qeth_perf_stats perf_stats;
908abbb5 795 int read_or_write_problem;
4a71df50 796 struct qeth_osn_info osn_info;
c041f2d4 797 struct qeth_discipline *discipline;
4a71df50 798 atomic_t force_alloc_skb;
6bcac508 799 struct service_level qeth_service_level;
76b11f8e 800 struct qdio_ssqd_desc ssqd;
af039068 801 debug_info_t *debug;
c4949f07 802 struct mutex conf_mutex;
9dc48ccc 803 struct mutex discipline_mutex;
a1c3ed4c
FB		 804 struct napi_struct napi;
805 struct qeth_rx rx;
b3332930
FB		 806 struct delayed_work buffer_reclaim_work;
807 int reclaim_index;
0f54761d 808 struct work_struct close_dev_work;
4a71df50
FB		 809};
810
811struct qeth_card_list_struct {
812 struct list_head list;
813 rwlock_t rwlock;
814};
815
1da74b1c
FB		 816struct qeth_trap_id {
817 __u16 lparnr;
818 char vmname[8];
819 __u8 chpid;
820 __u8 ssid;
821 __u16 devno;
822} __packed;
823
4a71df50
FB		 824/*some helper functions*/
825#define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "")
826
2863c613
EC		 827/**
828 * qeth_get_elements_for_range() - find number of SBALEs to cover range.
829 * @start: Start of the address range.
830 * @end: Address after the end of the range.
831 *
832 * Returns the number of pages, and thus QDIO buffer elements, needed to cover
833 * the specified address range.
834 */
835static inline int qeth_get_elements_for_range(addr_t start, addr_t end)
836{
837 return PFN_UP(end - 1) - PFN_DOWN(start);
838}
839
4a71df50
FB		 840static inline int qeth_get_micros(void)
841{
1aae0560 842 return (int) (get_tod_clock() >> 12);
4a71df50
FB		 843}
844
4a71df50
FB		 845static inline int qeth_get_ip_version(struct sk_buff *skb)
846{
a9baf10a
SR		 847 __be16 *p = &((struct ethhdr *)skb->data)->h_proto;
848
6bee4e26 849 if (be16_to_cpu(*p) == ETH_P_8021Q)
a9baf10a 850 p += 2;
6bee4e26 851 switch (be16_to_cpu(*p)) {
4a71df50
FB		 852 case ETH_P_IPV6:
853 return 6;
854 case ETH_P_IP:
855 return 4;
856 default:
857 return 0;
858 }
859}
860
f90b744e
FB		 861static inline void qeth_put_buffer_pool_entry(struct qeth_card *card,
862 struct qeth_buffer_pool_entry *entry)
863{
864 list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list);
865}
866
1da74b1c
FB		 867static inline int qeth_is_diagass_supported(struct qeth_card *card,
868 enum qeth_diags_cmds cmd)
869{
870 return card->info.diagass_support & (__u32)cmd;
871}
872
c041f2d4
SO		 873extern struct qeth_discipline qeth_l2_discipline;
874extern struct qeth_discipline qeth_l3_discipline;
b7169c51
SO		 875extern const struct attribute_group *qeth_generic_attr_groups[];
876extern const struct attribute_group *qeth_osn_attr_groups[];
2d2ebb3e
JW		 877extern const struct attribute_group qeth_device_attr_group;
878extern const struct attribute_group qeth_device_blkt_group;
879extern const struct device_type qeth_generic_devtype;
b4d72c08 880extern struct workqueue_struct *qeth_wq;
b7169c51 881
511c2445 882int qeth_card_hw_is_reachable(struct qeth_card *);
4a71df50
FB		 883const char *qeth_get_cardname_short(struct qeth_card *);
884int qeth_realloc_buffer_pool(struct qeth_card *, int);
885int qeth_core_load_discipline(struct qeth_card *, enum qeth_discipline_id);
886void qeth_core_free_discipline(struct qeth_card *);
4a71df50
FB		 887
888/* exports for qeth discipline device drivers */
889extern struct qeth_card_list_struct qeth_core_card_list;
683d718a 890extern struct kmem_cache *qeth_core_header_cache;
d11ba0c4 891extern struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS];
4a71df50 892
65d8013c
SR		 893void qeth_set_recovery_task(struct qeth_card *);
894void qeth_clear_recovery_task(struct qeth_card *);
4a71df50
FB		 895void qeth_set_allowed_threads(struct qeth_card *, unsigned long , int);
896int qeth_threads_running(struct qeth_card *, unsigned long);
897int qeth_wait_for_threads(struct qeth_card *, unsigned long);
898int qeth_do_run_thread(struct qeth_card *, unsigned long);
899void qeth_clear_thread_start_bit(struct qeth_card *, unsigned long);
900void qeth_clear_thread_running_bit(struct qeth_card *, unsigned long);
901int qeth_core_hardsetup_card(struct qeth_card *);
902void qeth_print_status_message(struct qeth_card *);
903int qeth_init_qdio_queues(struct qeth_card *);
4a71df50
FB		 904int qeth_send_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *,
905 int (*reply_cb)
906 (struct qeth_card *, struct qeth_reply *, unsigned long),
907 void *);
908struct qeth_cmd_buffer *qeth_get_ipacmd_buffer(struct qeth_card *,
909 enum qeth_ipa_cmds, enum qeth_prot_versions);
910int qeth_query_setadapterparms(struct qeth_card *);
4a71df50 911struct sk_buff *qeth_core_get_next_skb(struct qeth_card *,
b3332930 912 struct qeth_qdio_buffer *, struct qdio_buffer_element **, int *,
4a71df50
FB		 913 struct qeth_hdr **);
914void qeth_schedule_recovery(struct qeth_card *);
a1c3ed4c 915void qeth_qdio_start_poll(struct ccw_device *, int, unsigned long);
d73ef324 916int qeth_poll(struct napi_struct *napi, int budget);
a1c3ed4c
FB		 917void qeth_qdio_input_handler(struct ccw_device *,
918 unsigned int, unsigned int, int,
919 int, unsigned long);
4a71df50 920void qeth_qdio_output_handler(struct ccw_device *, unsigned int,
779e6e1c 921 int, int, int, unsigned long);
4a71df50
FB		 922void qeth_clear_ipacmd_list(struct qeth_card *);
923int qeth_qdio_clear_card(struct qeth_card *, int);
924void qeth_clear_working_pool_list(struct qeth_card *);
925void qeth_clear_cmd_buffers(struct qeth_channel *);
926void qeth_clear_qdio_buffers(struct qeth_card *);
927void qeth_setadp_promisc_mode(struct qeth_card *);
928struct net_device_stats *qeth_get_stats(struct net_device *);
929int qeth_change_mtu(struct net_device *, int);
930int qeth_setadpparms_change_macaddr(struct qeth_card *);
931void qeth_tx_timeout(struct net_device *);
932void qeth_prepare_control_data(struct qeth_card *, int,
933 struct qeth_cmd_buffer *);
934void qeth_release_buffer(struct qeth_channel *, struct qeth_cmd_buffer *);
935void qeth_prepare_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, char);
936struct qeth_cmd_buffer *qeth_wait_for_buffer(struct qeth_channel *);
45cbb2e4
SR		 937int qeth_query_switch_attributes(struct qeth_card *card,
938 struct qeth_switch_info *sw_info);
4a71df50
FB		 939int qeth_send_control_data(struct qeth_card *, int, struct qeth_cmd_buffer *,
940 int (*reply_cb)(struct qeth_card *, struct qeth_reply*, unsigned long),
941 void *reply_param);
b4d72c08
EC		 942int qeth_bridgeport_query_ports(struct qeth_card *card,
943 enum qeth_sbp_roles *role, enum qeth_sbp_states *state);
944int qeth_bridgeport_setrole(struct qeth_card *card, enum qeth_sbp_roles role);
9f48b9db 945int qeth_bridgeport_an_set(struct qeth_card *card, int enable);
4a71df50 946int qeth_get_priority_queue(struct qeth_card *, struct sk_buff *, int, int);
7d969d2e
JW		 947int qeth_get_elements_no(struct qeth_card *card, struct sk_buff *skb,
948 int extra_elems, int data_offset);
271648b4 949int qeth_get_elements_for_frags(struct sk_buff *);
cc309f83
JW		 950int qeth_do_send_packet_fast(struct qeth_card *card,
951 struct qeth_qdio_out_q *queue, struct sk_buff *skb,
952 struct qeth_hdr *hdr, unsigned int offset,
13ddacb5
JW		 953 unsigned int hd_len);
954int qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue,
955 struct sk_buff *skb, struct qeth_hdr *hdr,
9c3bfda9 956 unsigned int hd_len, unsigned int offset, int elements);
942d6984 957int qeth_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
df8b4ec8 958int qeth_core_get_sset_count(struct net_device *, int);
4a71df50
FB		 959void qeth_core_get_ethtool_stats(struct net_device *,
960 struct ethtool_stats *, u64 *);
961void qeth_core_get_strings(struct net_device *, u32, u8 *);
962void qeth_core_get_drvinfo(struct net_device *, struct ethtool_drvinfo *);
8e96c51c 963void qeth_dbf_longtext(debug_info_t *id, int level, char *text, ...);
993e19c0
JW		 964int qeth_core_ethtool_get_link_ksettings(struct net_device *netdev,
965 struct ethtool_link_ksettings *cmd);
0f54761d 966int qeth_set_access_ctrl_online(struct qeth_card *card, int fallback);
d4ae1f5e 967int qeth_hdr_chk_and_bounce(struct sk_buff *, struct qeth_hdr **, int);
0da9581d 968int qeth_configure_cq(struct qeth_card *, enum qeth_cq);
1da74b1c
FB		 969int qeth_hw_trap(struct qeth_card *, enum qeth_diags_trap_action);
970int qeth_query_ipassists(struct qeth_card *, enum qeth_prot_versions prot);
395672e0 971void qeth_trace_features(struct qeth_card *);
0f54761d 972void qeth_close_dev(struct qeth_card *);
4d7def2a
TR		 973int qeth_send_simple_setassparms(struct qeth_card *, enum qeth_ipa_funcs,
974 __u16, long);
975int qeth_send_setassparms(struct qeth_card *, struct qeth_cmd_buffer *, __u16,
976 long,
977 int (*reply_cb)(struct qeth_card *,
978 struct qeth_reply *, unsigned long),
979 void *);
8f43fb00 980int qeth_setassparms_cb(struct qeth_card *, struct qeth_reply *, unsigned long);
b475e316
TR		 981struct qeth_cmd_buffer *qeth_get_setassparms_cmd(struct qeth_card *,
982 enum qeth_ipa_funcs,
983 __u16, __u16,
984 enum qeth_prot_versions);
8f43fb00 985int qeth_set_features(struct net_device *, netdev_features_t);
e830baa9 986int qeth_recover_features(struct net_device *);
8f43fb00 987netdev_features_t qeth_fix_features(struct net_device *, netdev_features_t);
ec61bd2f 988int qeth_vm_request_mac(struct qeth_card *card);
0d6f02d3 989int qeth_push_hdr(struct sk_buff *skb, struct qeth_hdr **hdr, unsigned int len);
4a71df50
FB		 990
991/* exports for OSN */
992int qeth_osn_assist(struct net_device *, void *, int);
993int qeth_osn_register(unsigned char *read_dev_no, struct net_device **,
994 int (*assist_cb)(struct net_device *, void *),
995 int (*data_cb)(struct sk_buff *));
996void qeth_osn_deregister(struct net_device *);
997
998#endif /* __QETH_CORE_H__ */
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