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qeth: Clarify card type naming for virtual NICs
[linux-2.6-block.git] / drivers / s390 / net / qeth_core.h
CommitLineData
4a71df50 1/*
4a71df50
FB		 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>
4a71df50
FB		 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
22#include <net/ipv6.h>
23#include <net/if_inet6.h>
24#include <net/addrconf.h>
25
26#include <asm/debug.h>
27#include <asm/qdio.h>
28#include <asm/ccwdev.h>
29#include <asm/ccwgroup.h>
6bcac508 30#include <asm/sysinfo.h>
4a71df50
FB		 31
32#include "qeth_core_mpc.h"
33
34/**
35 * Debug Facility stuff
36 */
d11ba0c4
PT		 37enum qeth_dbf_names {
38 QETH_DBF_SETUP,
d11ba0c4 39 QETH_DBF_MSG,
d11ba0c4
PT		 40 QETH_DBF_CTRL,
41 QETH_DBF_INFOS /* must be last element */
42};
43
44struct qeth_dbf_info {
45 char name[DEBUG_MAX_NAME_LEN];
46 int pages;
47 int areas;
48 int len;
49 int level;
50 struct debug_view *view;
51 debug_info_t *id;
52};
53
54#define QETH_DBF_CTRL_LEN 256
4a71df50
FB		 55
56#define QETH_DBF_TEXT(name, level, text) \
d11ba0c4 57 debug_text_event(qeth_dbf[QETH_DBF_##name].id, level, text)
4a71df50
FB		 58
59#define QETH_DBF_HEX(name, level, addr, len) \
d11ba0c4
PT		 60 debug_event(qeth_dbf[QETH_DBF_##name].id, level, (void *)(addr), len)
61
62#define QETH_DBF_MESSAGE(level, text...) \
63 debug_sprintf_event(qeth_dbf[QETH_DBF_MSG].id, level, text)
64
65#define QETH_DBF_TEXT_(name, level, text...) \
8e96c51c 66 qeth_dbf_longtext(qeth_dbf[QETH_DBF_##name].id, level, text)
4a71df50 67
af039068
CO		 68#define QETH_CARD_TEXT(card, level, text) \
69 debug_text_event(card->debug, level, text)
70
71#define QETH_CARD_HEX(card, level, addr, len) \
72 debug_event(card->debug, level, (void *)(addr), len)
73
74#define QETH_CARD_MESSAGE(card, text...) \
75 debug_sprintf_event(card->debug, level, text)
76
77#define QETH_CARD_TEXT_(card, level, text...) \
78 qeth_dbf_longtext(card->debug, level, text)
79
4a71df50
FB		 80#define SENSE_COMMAND_REJECT_BYTE 0
81#define SENSE_COMMAND_REJECT_FLAG 0x80
82#define SENSE_RESETTING_EVENT_BYTE 1
83#define SENSE_RESETTING_EVENT_FLAG 0x80
84
85/*
86 * Common IO related definitions
87 */
88#define CARD_RDEV(card) card->read.ccwdev
89#define CARD_WDEV(card) card->write.ccwdev
90#define CARD_DDEV(card) card->data.ccwdev
2a0217d5
KS		 91#define CARD_BUS_ID(card) dev_name(&card->gdev->dev)
92#define CARD_RDEV_ID(card) dev_name(&card->read.ccwdev->dev)
93#define CARD_WDEV_ID(card) dev_name(&card->write.ccwdev->dev)
94#define CARD_DDEV_ID(card) dev_name(&card->data.ccwdev->dev)
95#define CHANNEL_ID(channel) dev_name(&channel->ccwdev->dev)
4a71df50
FB		 96
97/**
98 * card stuff
99 */
100struct qeth_perf_stats {
101 unsigned int bufs_rec;
102 unsigned int bufs_sent;
103
104 unsigned int skbs_sent_pack;
105 unsigned int bufs_sent_pack;
106
107 unsigned int sc_dp_p;
108 unsigned int sc_p_dp;
0da9581d
EL		 109 /* qdio_cq_handler: number of times called, time spent in */
110 __u64 cq_start_time;
111 unsigned int cq_cnt;
112 unsigned int cq_time;
4a71df50
FB		 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
b3332930 216#define QETH_RECLAIM_WORK_TIME HZ
4a71df50
FB		 217#define QETH_HEADER_SIZE 32
218#define QETH_MAX_PORTNO 15
219
220/*IPv6 address autoconfiguration stuff*/
221#define UNIQUE_ID_IF_CREATE_ADDR_FAILED 0xfffe
222#define UNIQUE_ID_NOT_BY_CARD 0x10000
223
224/*****************************************************************************/
225/* QDIO queue and buffer handling */
226/*****************************************************************************/
227#define QETH_MAX_QUEUES 4
228#define QETH_IN_BUF_SIZE_DEFAULT 65536
dcf4ae2d
FB		 229#define QETH_IN_BUF_COUNT_DEFAULT 64
230#define QETH_IN_BUF_COUNT_HSDEFAULT 128
4a71df50
FB		 231#define QETH_IN_BUF_COUNT_MIN 8
232#define QETH_IN_BUF_COUNT_MAX 128
233#define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12)
234#define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \
0284a0fd 235 ((card)->qdio.in_buf_pool.buf_count / 2)
4a71df50
FB		 236
237/* buffers we have to be behind before we get a PCI */
238#define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1)
239/*enqueued free buffers left before we get a PCI*/
240#define QETH_PCI_THRESHOLD_B(card) 0
241/*not used unless the microcode gets patched*/
242#define QETH_PCI_TIMER_VALUE(card) 3
243
4a71df50
FB		 244/* priority queing */
245#define QETH_PRIOQ_DEFAULT QETH_NO_PRIO_QUEUEING
246#define QETH_DEFAULT_QUEUE 2
247#define QETH_NO_PRIO_QUEUEING 0
248#define QETH_PRIO_Q_ING_PREC 1
249#define QETH_PRIO_Q_ING_TOS 2
250#define IP_TOS_LOWDELAY 0x10
251#define IP_TOS_HIGHTHROUGHPUT 0x08
252#define IP_TOS_HIGHRELIABILITY 0x04
253#define IP_TOS_NOTIMPORTANT 0x02
254
255/* Packing */
256#define QETH_LOW_WATERMARK_PACK 2
257#define QETH_HIGH_WATERMARK_PACK 5
258#define QETH_WATERMARK_PACK_FUZZ 1
259
260#define QETH_IP_HEADER_SIZE 40
261
262/* large receive scatter gather copy break */
263#define QETH_RX_SG_CB (PAGE_SIZE >> 1)
b3332930 264#define QETH_RX_PULL_LEN 256
4a71df50
FB		 265
266struct qeth_hdr_layer3 {
267 __u8 id;
268 __u8 flags;
269 __u16 inbound_checksum; /*TSO:__u16 seqno */
270 __u32 token; /*TSO: __u32 reserved */
271 __u16 length;
272 __u8 vlan_prio;
273 __u8 ext_flags;
274 __u16 vlan_id;
275 __u16 frame_offset;
276 __u8 dest_addr[16];
277} __attribute__ ((packed));
278
279struct qeth_hdr_layer2 {
280 __u8 id;
281 __u8 flags[3];
282 __u8 port_no;
283 __u8 hdr_length;
284 __u16 pkt_length;
285 __u16 seq_no;
286 __u16 vlan_id;
287 __u32 reserved;
288 __u8 reserved2[16];
289} __attribute__ ((packed));
290
291struct qeth_hdr_osn {
292 __u8 id;
293 __u8 reserved;
294 __u16 seq_no;
295 __u16 reserved2;
296 __u16 control_flags;
297 __u16 pdu_length;
298 __u8 reserved3[18];
299 __u32 ccid;
300} __attribute__ ((packed));
301
302struct qeth_hdr {
303 union {
304 struct qeth_hdr_layer2 l2;
305 struct qeth_hdr_layer3 l3;
306 struct qeth_hdr_osn osn;
307 } hdr;
308} __attribute__ ((packed));
309
310/*TCP Segmentation Offload header*/
311struct qeth_hdr_ext_tso {
312 __u16 hdr_tot_len;
313 __u8 imb_hdr_no;
314 __u8 reserved;
315 __u8 hdr_type;
316 __u8 hdr_version;
317 __u16 hdr_len;
318 __u32 payload_len;
319 __u16 mss;
320 __u16 dg_hdr_len;
321 __u8 padding[16];
322} __attribute__ ((packed));
323
324struct qeth_hdr_tso {
325 struct qeth_hdr hdr; /*hdr->hdr.l3.xxx*/
326 struct qeth_hdr_ext_tso ext;
327} __attribute__ ((packed));
328
329
330/* flags for qeth_hdr.flags */
331#define QETH_HDR_PASSTHRU 0x10
332#define QETH_HDR_IPV6 0x80
333#define QETH_HDR_CAST_MASK 0x07
334enum qeth_cast_flags {
335 QETH_CAST_UNICAST = 0x06,
336 QETH_CAST_MULTICAST = 0x04,
337 QETH_CAST_BROADCAST = 0x05,
338 QETH_CAST_ANYCAST = 0x07,
339 QETH_CAST_NOCAST = 0x00,
340};
341
342enum qeth_layer2_frame_flags {
343 QETH_LAYER2_FLAG_MULTICAST = 0x01,
344 QETH_LAYER2_FLAG_BROADCAST = 0x02,
345 QETH_LAYER2_FLAG_UNICAST = 0x04,
346 QETH_LAYER2_FLAG_VLAN = 0x10,
347};
348
349enum qeth_header_ids {
350 QETH_HEADER_TYPE_LAYER3 = 0x01,
351 QETH_HEADER_TYPE_LAYER2 = 0x02,
352 QETH_HEADER_TYPE_TSO = 0x03,
353 QETH_HEADER_TYPE_OSN = 0x04,
354};
355/* flags for qeth_hdr.ext_flags */
356#define QETH_HDR_EXT_VLAN_FRAME 0x01
357#define QETH_HDR_EXT_TOKEN_ID 0x02
358#define QETH_HDR_EXT_INCLUDE_VLAN_TAG 0x04
359#define QETH_HDR_EXT_SRC_MAC_ADDR 0x08
360#define QETH_HDR_EXT_CSUM_HDR_REQ 0x10
361#define QETH_HDR_EXT_CSUM_TRANSP_REQ 0x20
f6b85b6c 362#define QETH_HDR_EXT_UDP 0x40 /*bit off for TCP*/
4a71df50
FB		 363
364static inline int qeth_is_last_sbale(struct qdio_buffer_element *sbale)
365{
3ec90878 366 return (sbale->eflags & SBAL_EFLAGS_LAST_ENTRY);
4a71df50
FB		 367}
368
369enum qeth_qdio_buffer_states {
370 /*
371 * inbound: read out by driver; owned by hardware in order to be filled
372 * outbound: owned by driver in order to be filled
373 */
374 QETH_QDIO_BUF_EMPTY,
375 /*
376 * inbound: filled by hardware; owned by driver in order to be read out
377 * outbound: filled by driver; owned by hardware in order to be sent
378 */
379 QETH_QDIO_BUF_PRIMED,
b3332930
FB		 380 /*
381 * inbound: not applicable
382 * outbound: identified to be pending in TPQ
383 */
384 QETH_QDIO_BUF_PENDING,
385 /*
386 * inbound: not applicable
387 * outbound: found in completion queue
388 */
389 QETH_QDIO_BUF_IN_CQ,
0da9581d
EL		 390 /*
391 * inbound: not applicable
392 * outbound: handled via transfer pending / completion queue
393 */
394 QETH_QDIO_BUF_HANDLED_DELAYED,
4a71df50
FB		 395};
396
397enum qeth_qdio_info_states {
398 QETH_QDIO_UNINITIALIZED,
399 QETH_QDIO_ALLOCATED,
400 QETH_QDIO_ESTABLISHED,
401 QETH_QDIO_CLEANING
402};
403
404struct qeth_buffer_pool_entry {
405 struct list_head list;
406 struct list_head init_list;
407 void *elements[QDIO_MAX_ELEMENTS_PER_BUFFER];
408};
409
410struct qeth_qdio_buffer_pool {
411 struct list_head entry_list;
412 int buf_count;
413};
414
415struct qeth_qdio_buffer {
416 struct qdio_buffer *buffer;
417 /* the buffer pool entry currently associated to this buffer */
418 struct qeth_buffer_pool_entry *pool_entry;
b3332930 419 struct sk_buff *rx_skb;
4a71df50
FB		 420};
421
422struct qeth_qdio_q {
423 struct qdio_buffer qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
424 struct qeth_qdio_buffer bufs[QDIO_MAX_BUFFERS_PER_Q];
425 int next_buf_to_init;
426} __attribute__ ((aligned(256)));
427
4a71df50
FB		 428struct qeth_qdio_out_buffer {
429 struct qdio_buffer *buffer;
430 atomic_t state;
431 int next_element_to_fill;
432 struct sk_buff_head skb_list;
683d718a 433 int is_header[16];
0da9581d
EL		 434
435 struct qaob *aob;
436 struct qeth_qdio_out_q *q;
437 struct qeth_qdio_out_buffer *next_pending;
4a71df50
FB		 438};
439
440struct qeth_card;
441
442enum qeth_out_q_states {
443 QETH_OUT_Q_UNLOCKED,
444 QETH_OUT_Q_LOCKED,
445 QETH_OUT_Q_LOCKED_FLUSH,
446};
447
448struct qeth_qdio_out_q {
449 struct qdio_buffer qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
0da9581d
EL		 450 struct qeth_qdio_out_buffer *bufs[QDIO_MAX_BUFFERS_PER_Q];
451 struct qdio_outbuf_state *bufstates; /* convenience pointer */
4a71df50
FB		 452 int queue_no;
453 struct qeth_card *card;
454 atomic_t state;
455 int do_pack;
456 /*
457 * index of buffer to be filled by driver; state EMPTY or PACKING
458 */
459 int next_buf_to_fill;
460 /*
461 * number of buffers that are currently filled (PRIMED)
462 * -> these buffers are hardware-owned
463 */
464 atomic_t used_buffers;
465 /* indicates whether PCI flag must be set (or if one is outstanding) */
466 atomic_t set_pci_flags_count;
467} __attribute__ ((aligned(256)));
468
469struct qeth_qdio_info {
470 atomic_t state;
471 /* input */
0da9581d 472 int no_in_queues;
4a71df50 473 struct qeth_qdio_q *in_q;
0da9581d 474 struct qeth_qdio_q *c_q;
4a71df50
FB		 475 struct qeth_qdio_buffer_pool in_buf_pool;
476 struct qeth_qdio_buffer_pool init_pool;
477 int in_buf_size;
478
479 /* output */
480 int no_out_queues;
481 struct qeth_qdio_out_q **out_qs;
0da9581d 482 struct qdio_outbuf_state *out_bufstates;
4a71df50
FB		 483
484 /* priority queueing */
485 int do_prio_queueing;
486 int default_out_queue;
487};
488
489enum qeth_send_errors {
490 QETH_SEND_ERROR_NONE,
491 QETH_SEND_ERROR_LINK_FAILURE,
492 QETH_SEND_ERROR_RETRY,
493 QETH_SEND_ERROR_KICK_IT,
494};
495
496#define QETH_ETH_MAC_V4 0x0100 /* like v4 */
497#define QETH_ETH_MAC_V6 0x3333 /* like v6 */
498/* tr mc mac is longer, but that will be enough to detect mc frames */
499#define QETH_TR_MAC_NC 0xc000 /* non-canonical */
500#define QETH_TR_MAC_C 0x0300 /* canonical */
501
502#define DEFAULT_ADD_HHLEN 0
503#define MAX_ADD_HHLEN 1024
504
505/**
506 * buffer stuff for read channel
507 */
508#define QETH_CMD_BUFFER_NO 8
509
510/**
511 * channel state machine
512 */
513enum qeth_channel_states {
514 CH_STATE_UP,
515 CH_STATE_DOWN,
516 CH_STATE_ACTIVATING,
517 CH_STATE_HALTED,
518 CH_STATE_STOPPED,
519 CH_STATE_RCD,
520 CH_STATE_RCD_DONE,
521};
522/**
523 * card state machine
524 */
525enum qeth_card_states {
526 CARD_STATE_DOWN,
527 CARD_STATE_HARDSETUP,
528 CARD_STATE_SOFTSETUP,
529 CARD_STATE_UP,
530 CARD_STATE_RECOVER,
531};
532
533/**
534 * Protocol versions
535 */
536enum qeth_prot_versions {
537 QETH_PROT_IPV4 = 0x0004,
538 QETH_PROT_IPV6 = 0x0006,
539};
540
541enum qeth_ip_types {
542 QETH_IP_TYPE_NORMAL,
543 QETH_IP_TYPE_VIPA,
544 QETH_IP_TYPE_RXIP,
545 QETH_IP_TYPE_DEL_ALL_MC,
546};
547
548enum qeth_cmd_buffer_state {
549 BUF_STATE_FREE,
550 BUF_STATE_LOCKED,
551 BUF_STATE_PROCESSED,
552};
553
0da9581d
EL		 554enum qeth_cq {
555 QETH_CQ_DISABLED = 0,
556 QETH_CQ_ENABLED = 1,
557 QETH_CQ_NOTAVAILABLE = 2,
558};
559
4a71df50
FB		 560struct qeth_ipato {
561 int enabled;
562 int invert4;
563 int invert6;
564 struct list_head entries;
565};
566
567struct qeth_channel;
568
569struct qeth_cmd_buffer {
570 enum qeth_cmd_buffer_state state;
571 struct qeth_channel *channel;
572 unsigned char *data;
573 int rc;
574 void (*callback) (struct qeth_channel *, struct qeth_cmd_buffer *);
575};
576
577/**
578 * definition of a qeth channel, used for read and write
579 */
580struct qeth_channel {
581 enum qeth_channel_states state;
582 struct ccw1 ccw;
583 spinlock_t iob_lock;
584 wait_queue_head_t wait_q;
585 struct tasklet_struct irq_tasklet;
586 struct ccw_device *ccwdev;
587/*command buffer for control data*/
588 struct qeth_cmd_buffer iob[QETH_CMD_BUFFER_NO];
589 atomic_t irq_pending;
590 int io_buf_no;
591 int buf_no;
592};
593
594/**
595 * OSA card related definitions
596 */
597struct qeth_token {
598 __u32 issuer_rm_w;
599 __u32 issuer_rm_r;
600 __u32 cm_filter_w;
601 __u32 cm_filter_r;
602 __u32 cm_connection_w;
603 __u32 cm_connection_r;
604 __u32 ulp_filter_w;
605 __u32 ulp_filter_r;
606 __u32 ulp_connection_w;
607 __u32 ulp_connection_r;
608};
609
610struct qeth_seqno {
611 __u32 trans_hdr;
612 __u32 pdu_hdr;
613 __u32 pdu_hdr_ack;
614 __u16 ipa;
615 __u32 pkt_seqno;
616};
617
618struct qeth_reply {
619 struct list_head list;
620 wait_queue_head_t wait_q;
621 int (*callback)(struct qeth_card *, struct qeth_reply *,
622 unsigned long);
623 u32 seqno;
624 unsigned long offset;
625 atomic_t received;
626 int rc;
627 void *param;
628 struct qeth_card *card;
629 atomic_t refcnt;
630};
631
632
633struct qeth_card_blkt {
634 int time_total;
635 int inter_packet;
636 int inter_packet_jumbo;
637};
638
639#define QETH_BROADCAST_WITH_ECHO 0x01
640#define QETH_BROADCAST_WITHOUT_ECHO 0x02
641#define QETH_LAYER2_MAC_READ 0x01
642#define QETH_LAYER2_MAC_REGISTERED 0x02
643struct qeth_card_info {
644 unsigned short unit_addr2;
645 unsigned short cula;
646 unsigned short chpid;
647 __u16 func_level;
648 char mcl_level[QETH_MCL_LENGTH + 1];
649 int guestlan;
650 int mac_bits;
651 int portname_required;
652 int portno;
653 char portname[9];
654 enum qeth_card_types type;
655 enum qeth_link_types link_type;
656 int is_multicast_different;
657 int initial_mtu;
658 int max_mtu;
659 int broadcast_capable;
660 int unique_id;
661 struct qeth_card_blkt blkt;
662 __u32 csum_mask;
f6b85b6c 663 __u32 tx_csum_mask;
4a71df50 664 enum qeth_ipa_promisc_modes promisc_mode;
1da74b1c
FB		 665 __u32 diagass_support;
666 __u32 hwtrap;
4a71df50
FB		 667};
668
669struct qeth_card_options {
670 struct qeth_routing_info route4;
671 struct qeth_ipa_info ipa4;
672 struct qeth_ipa_info adp; /*Adapter parameters*/
673 struct qeth_routing_info route6;
674 struct qeth_ipa_info ipa6;
4a71df50
FB		 675 int fake_broadcast;
676 int add_hhlen;
4a71df50 677 int layer2;
4a71df50
FB		 678 int performance_stats;
679 int rx_sg_cb;
d64ecc22 680 enum qeth_ipa_isolation_modes isolation;
76b11f8e 681 int sniffer;
0da9581d 682 enum qeth_cq cq;
b3332930 683 char hsuid[9];
4a71df50
FB		 684};
685
686/*
687 * thread bits for qeth_card thread masks
688 */
689enum qeth_threads {
690 QETH_RECOVER_THREAD = 1,
691};
692
693struct qeth_osn_info {
694 int (*assist_cb)(struct net_device *dev, void *data);
695 int (*data_cb)(struct sk_buff *skb);
696};
697
698enum qeth_discipline_id {
699 QETH_DISCIPLINE_LAYER3 = 0,
700 QETH_DISCIPLINE_LAYER2 = 1,
701};
702
703struct qeth_discipline {
a1c3ed4c 704 void (*start_poll)(struct ccw_device *, int, unsigned long);
4a71df50
FB		 705 qdio_handler_t *input_handler;
706 qdio_handler_t *output_handler;
707 int (*recover)(void *ptr);
c041f2d4
SO		 708 int (*setup) (struct ccwgroup_device *);
709 void (*remove) (struct ccwgroup_device *);
710 int (*set_online) (struct ccwgroup_device *);
711 int (*set_offline) (struct ccwgroup_device *);
712 void (*shutdown)(struct ccwgroup_device *);
713 int (*prepare) (struct ccwgroup_device *);
714 void (*complete) (struct ccwgroup_device *);
715 int (*freeze)(struct ccwgroup_device *);
716 int (*thaw) (struct ccwgroup_device *);
717 int (*restore)(struct ccwgroup_device *);
4a71df50
FB		 718};
719
720struct qeth_vlan_vid {
721 struct list_head list;
722 unsigned short vid;
723};
724
725struct qeth_mc_mac {
726 struct list_head list;
727 __u8 mc_addr[MAX_ADDR_LEN];
728 unsigned char mc_addrlen;
7db2266a 729 int is_vmac;
4a71df50
FB		 730};
731
a1c3ed4c
FB		 732struct qeth_rx {
733 int b_count;
734 int b_index;
735 struct qdio_buffer_element *b_element;
736 int e_offset;
737 int qdio_err;
738};
739
740#define QETH_NAPI_WEIGHT 128
741
4a71df50
FB		 742struct qeth_card {
743 struct list_head list;
744 enum qeth_card_states state;
745 int lan_online;
746 spinlock_t lock;
747 struct ccwgroup_device *gdev;
748 struct qeth_channel read;
749 struct qeth_channel write;
750 struct qeth_channel data;
751
752 struct net_device *dev;
753 struct net_device_stats stats;
754
755 struct qeth_card_info info;
756 struct qeth_token token;
757 struct qeth_seqno seqno;
758 struct qeth_card_options options;
759
760 wait_queue_head_t wait_q;
761 spinlock_t vlanlock;
762 spinlock_t mclock;
7ff0bcf6 763 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
4a71df50
FB		 764 struct list_head vid_list;
765 struct list_head mc_list;
766 struct work_struct kernel_thread_starter;
767 spinlock_t thread_mask_lock;
768 unsigned long thread_start_mask;
769 unsigned long thread_allowed_mask;
770 unsigned long thread_running_mask;
771 spinlock_t ip_lock;
772 struct list_head ip_list;
773 struct list_head *ip_tbd_list;
774 struct qeth_ipato ipato;
775 struct list_head cmd_waiter_list;
776 /* QDIO buffer handling */
777 struct qeth_qdio_info qdio;
778 struct qeth_perf_stats perf_stats;
908abbb5 779 int read_or_write_problem;
4a71df50 780 struct qeth_osn_info osn_info;
c041f2d4 781 struct qeth_discipline *discipline;
4a71df50 782 atomic_t force_alloc_skb;
6bcac508 783 struct service_level qeth_service_level;
76b11f8e 784 struct qdio_ssqd_desc ssqd;
af039068 785 debug_info_t *debug;
c4949f07 786 struct mutex conf_mutex;
9dc48ccc 787 struct mutex discipline_mutex;
a1c3ed4c
FB		 788 struct napi_struct napi;
789 struct qeth_rx rx;
b3332930
FB		 790 struct delayed_work buffer_reclaim_work;
791 int reclaim_index;
4a71df50
FB		 792};
793
794struct qeth_card_list_struct {
795 struct list_head list;
796 rwlock_t rwlock;
797};
798
1da74b1c
FB		 799struct qeth_trap_id {
800 __u16 lparnr;
801 char vmname[8];
802 __u8 chpid;
803 __u8 ssid;
804 __u16 devno;
805} __packed;
806
4a71df50
FB		 807/*some helper functions*/
808#define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "")
809
810static inline struct qeth_card *CARD_FROM_CDEV(struct ccw_device *cdev)
811{
812 struct qeth_card *card = dev_get_drvdata(&((struct ccwgroup_device *)
813 dev_get_drvdata(&cdev->dev))->dev);
814 return card;
815}
816
817static inline int qeth_get_micros(void)
818{
819 return (int) (get_clock() >> 12);
820}
821
4a71df50
FB		 822static inline int qeth_get_ip_version(struct sk_buff *skb)
823{
21fde749
FB		 824 struct ethhdr *ehdr = (struct ethhdr *)skb->data;
825 switch (ehdr->h_proto) {
4a71df50
FB		 826 case ETH_P_IPV6:
827 return 6;
828 case ETH_P_IP:
829 return 4;
830 default:
831 return 0;
832 }
833}
834
f90b744e
FB		 835static inline void qeth_put_buffer_pool_entry(struct qeth_card *card,
836 struct qeth_buffer_pool_entry *entry)
837{
838 list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list);
839}
840
1da74b1c
FB		 841static inline int qeth_is_diagass_supported(struct qeth_card *card,
842 enum qeth_diags_cmds cmd)
843{
844 return card->info.diagass_support & (__u32)cmd;
845}
846
c041f2d4
SO		 847extern struct qeth_discipline qeth_l2_discipline;
848extern struct qeth_discipline qeth_l3_discipline;
b7169c51
SO		 849extern const struct attribute_group *qeth_generic_attr_groups[];
850extern const struct attribute_group *qeth_osn_attr_groups[];
851
4a71df50
FB		 852const char *qeth_get_cardname_short(struct qeth_card *);
853int qeth_realloc_buffer_pool(struct qeth_card *, int);
854int qeth_core_load_discipline(struct qeth_card *, enum qeth_discipline_id);
855void qeth_core_free_discipline(struct qeth_card *);
b3332930 856void qeth_buffer_reclaim_work(struct work_struct *);
4a71df50
FB		 857
858/* exports for qeth discipline device drivers */
859extern struct qeth_card_list_struct qeth_core_card_list;
683d718a 860extern struct kmem_cache *qeth_core_header_cache;
d11ba0c4 861extern struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS];
4a71df50
FB		 862
863void qeth_set_allowed_threads(struct qeth_card *, unsigned long , int);
864int qeth_threads_running(struct qeth_card *, unsigned long);
865int qeth_wait_for_threads(struct qeth_card *, unsigned long);
866int qeth_do_run_thread(struct qeth_card *, unsigned long);
867void qeth_clear_thread_start_bit(struct qeth_card *, unsigned long);
868void qeth_clear_thread_running_bit(struct qeth_card *, unsigned long);
869int qeth_core_hardsetup_card(struct qeth_card *);
870void qeth_print_status_message(struct qeth_card *);
871int qeth_init_qdio_queues(struct qeth_card *);
872int qeth_send_startlan(struct qeth_card *);
873int qeth_send_stoplan(struct qeth_card *);
874int qeth_send_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *,
875 int (*reply_cb)
876 (struct qeth_card *, struct qeth_reply *, unsigned long),
877 void *);
878struct qeth_cmd_buffer *qeth_get_ipacmd_buffer(struct qeth_card *,
879 enum qeth_ipa_cmds, enum qeth_prot_versions);
880int qeth_query_setadapterparms(struct qeth_card *);
76b11f8e
UB		 881int qeth_check_qdio_errors(struct qeth_card *, struct qdio_buffer *,
882 unsigned int, const char *);
4a71df50
FB		 883void qeth_queue_input_buffer(struct qeth_card *, int);
884struct sk_buff *qeth_core_get_next_skb(struct qeth_card *,
b3332930 885 struct qeth_qdio_buffer *, struct qdio_buffer_element **, int *,
4a71df50
FB		 886 struct qeth_hdr **);
887void qeth_schedule_recovery(struct qeth_card *);
a1c3ed4c
FB		 888void qeth_qdio_start_poll(struct ccw_device *, int, unsigned long);
889void qeth_qdio_input_handler(struct ccw_device *,
890 unsigned int, unsigned int, int,
891 int, unsigned long);
4a71df50 892void qeth_qdio_output_handler(struct ccw_device *, unsigned int,
779e6e1c 893 int, int, int, unsigned long);
4a71df50
FB		 894void qeth_clear_ipacmd_list(struct qeth_card *);
895int qeth_qdio_clear_card(struct qeth_card *, int);
896void qeth_clear_working_pool_list(struct qeth_card *);
897void qeth_clear_cmd_buffers(struct qeth_channel *);
898void qeth_clear_qdio_buffers(struct qeth_card *);
899void qeth_setadp_promisc_mode(struct qeth_card *);
900struct net_device_stats *qeth_get_stats(struct net_device *);
901int qeth_change_mtu(struct net_device *, int);
902int qeth_setadpparms_change_macaddr(struct qeth_card *);
903void qeth_tx_timeout(struct net_device *);
904void qeth_prepare_control_data(struct qeth_card *, int,
905 struct qeth_cmd_buffer *);
906void qeth_release_buffer(struct qeth_channel *, struct qeth_cmd_buffer *);
907void qeth_prepare_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, char);
908struct qeth_cmd_buffer *qeth_wait_for_buffer(struct qeth_channel *);
909int qeth_mdio_read(struct net_device *, int, int);
910int qeth_snmp_command(struct qeth_card *, char __user *);
c3ab96f3 911int qeth_query_oat_command(struct qeth_card *, char __user *);
4a71df50
FB		 912struct qeth_cmd_buffer *qeth_get_adapter_cmd(struct qeth_card *, __u32, __u32);
913int qeth_default_setadapterparms_cb(struct qeth_card *, struct qeth_reply *,
914 unsigned long);
915int qeth_send_control_data(struct qeth_card *, int, struct qeth_cmd_buffer *,
916 int (*reply_cb)(struct qeth_card *, struct qeth_reply*, unsigned long),
917 void *reply_param);
4a71df50 918int qeth_get_priority_queue(struct qeth_card *, struct sk_buff *, int, int);
4a71df50
FB		 919int qeth_get_elements_no(struct qeth_card *, void *, struct sk_buff *, int);
920int qeth_do_send_packet_fast(struct qeth_card *, struct qeth_qdio_out_q *,
64ef8957 921 struct sk_buff *, struct qeth_hdr *, int, int, int);
4a71df50 922int qeth_do_send_packet(struct qeth_card *, struct qeth_qdio_out_q *,
64ef8957 923 struct sk_buff *, struct qeth_hdr *, int);
df8b4ec8 924int qeth_core_get_sset_count(struct net_device *, int);
4a71df50
FB		 925void qeth_core_get_ethtool_stats(struct net_device *,
926 struct ethtool_stats *, u64 *);
927void qeth_core_get_strings(struct net_device *, u32, u8 *);
928void qeth_core_get_drvinfo(struct net_device *, struct ethtool_drvinfo *);
8e96c51c 929void qeth_dbf_longtext(debug_info_t *id, int level, char *text, ...);
3f9975aa 930int qeth_core_ethtool_get_settings(struct net_device *, struct ethtool_cmd *);
d64ecc22 931int qeth_set_access_ctrl_online(struct qeth_card *card);
51aa165c 932int qeth_hdr_chk_and_bounce(struct sk_buff *, int);
0da9581d 933int qeth_configure_cq(struct qeth_card *, enum qeth_cq);
1da74b1c
FB		 934int qeth_hw_trap(struct qeth_card *, enum qeth_diags_trap_action);
935int qeth_query_ipassists(struct qeth_card *, enum qeth_prot_versions prot);
4a71df50
FB		 936
937/* exports for OSN */
938int qeth_osn_assist(struct net_device *, void *, int);
939int qeth_osn_register(unsigned char *read_dev_no, struct net_device **,
940 int (*assist_cb)(struct net_device *, void *),
941 int (*data_cb)(struct sk_buff *));
942void qeth_osn_deregister(struct net_device *);
943
944#endif /* __QETH_CORE_H__ */
Linux 6.x block layer and io_uring tree(s)