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qeth: add statistics for tx csum
[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;
f61a0d05 137 unsigned int tx_csum;
4a71df50
FB		 138};
139
140/* Routing stuff */
141struct qeth_routing_info {
142 enum qeth_routing_types type;
143};
144
145/* IPA stuff */
146struct qeth_ipa_info {
147 __u32 supported_funcs;
148 __u32 enabled_funcs;
149};
150
151static inline int qeth_is_ipa_supported(struct qeth_ipa_info *ipa,
152 enum qeth_ipa_funcs func)
153{
154 return (ipa->supported_funcs & func);
155}
156
157static inline int qeth_is_ipa_enabled(struct qeth_ipa_info *ipa,
158 enum qeth_ipa_funcs func)
159{
160 return (ipa->supported_funcs & ipa->enabled_funcs & func);
161}
162
163#define qeth_adp_supported(c, f) \
164 qeth_is_ipa_supported(&c->options.adp, f)
165#define qeth_adp_enabled(c, f) \
166 qeth_is_ipa_enabled(&c->options.adp, f)
167#define qeth_is_supported(c, f) \
168 qeth_is_ipa_supported(&c->options.ipa4, f)
169#define qeth_is_enabled(c, f) \
170 qeth_is_ipa_enabled(&c->options.ipa4, f)
171#define qeth_is_supported6(c, f) \
172 qeth_is_ipa_supported(&c->options.ipa6, f)
173#define qeth_is_enabled6(c, f) \
174 qeth_is_ipa_enabled(&c->options.ipa6, f)
175#define qeth_is_ipafunc_supported(c, prot, f) \
176 ((prot == QETH_PROT_IPV6) ? \
177 qeth_is_supported6(c, f) : qeth_is_supported(c, f))
178#define qeth_is_ipafunc_enabled(c, prot, f) \
179 ((prot == QETH_PROT_IPV6) ? \
180 qeth_is_enabled6(c, f) : qeth_is_enabled(c, f))
181
182#define QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT 0x0101
183#define QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT 0x0101
184#define QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT 0x4108
185#define QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT 0x5108
186
187#define QETH_MODELLIST_ARRAY \
188 {{0x1731, 0x01, 0x1732, 0x01, QETH_CARD_TYPE_OSAE, 1, \
189 QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT, \
190 QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT, \
191 QETH_MAX_QUEUES, 0}, \
192 {0x1731, 0x05, 0x1732, 0x05, QETH_CARD_TYPE_IQD, 0, \
193 QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT, \
194 QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT, \
195 QETH_MAX_QUEUES, 0x103}, \
196 {0x1731, 0x06, 0x1732, 0x06, QETH_CARD_TYPE_OSN, 0, \
197 QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT, \
198 QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT, \
199 QETH_MAX_QUEUES, 0}, \
200 {0, 0, 0, 0, 0, 0, 0, 0, 0} }
201
202#define QETH_REAL_CARD 1
203#define QETH_VLAN_CARD 2
204#define QETH_BUFSIZE 4096
205
206/**
207 * some more defs
208 */
209#define QETH_TX_TIMEOUT 100 * HZ
210#define QETH_RCD_TIMEOUT 60 * HZ
211#define QETH_HEADER_SIZE 32
212#define QETH_MAX_PORTNO 15
213
214/*IPv6 address autoconfiguration stuff*/
215#define UNIQUE_ID_IF_CREATE_ADDR_FAILED 0xfffe
216#define UNIQUE_ID_NOT_BY_CARD 0x10000
217
218/*****************************************************************************/
219/* QDIO queue and buffer handling */
220/*****************************************************************************/
221#define QETH_MAX_QUEUES 4
222#define QETH_IN_BUF_SIZE_DEFAULT 65536
223#define QETH_IN_BUF_COUNT_DEFAULT 16
224#define QETH_IN_BUF_COUNT_MIN 8
225#define QETH_IN_BUF_COUNT_MAX 128
226#define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12)
227#define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \
228 ((card)->qdio.in_buf_pool.buf_count / 2)
229
230/* buffers we have to be behind before we get a PCI */
231#define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1)
232/*enqueued free buffers left before we get a PCI*/
233#define QETH_PCI_THRESHOLD_B(card) 0
234/*not used unless the microcode gets patched*/
235#define QETH_PCI_TIMER_VALUE(card) 3
236
4a71df50
FB		 237/* priority queing */
238#define QETH_PRIOQ_DEFAULT QETH_NO_PRIO_QUEUEING
239#define QETH_DEFAULT_QUEUE 2
240#define QETH_NO_PRIO_QUEUEING 0
241#define QETH_PRIO_Q_ING_PREC 1
242#define QETH_PRIO_Q_ING_TOS 2
243#define IP_TOS_LOWDELAY 0x10
244#define IP_TOS_HIGHTHROUGHPUT 0x08
245#define IP_TOS_HIGHRELIABILITY 0x04
246#define IP_TOS_NOTIMPORTANT 0x02
247
248/* Packing */
249#define QETH_LOW_WATERMARK_PACK 2
250#define QETH_HIGH_WATERMARK_PACK 5
251#define QETH_WATERMARK_PACK_FUZZ 1
252
253#define QETH_IP_HEADER_SIZE 40
254
255/* large receive scatter gather copy break */
256#define QETH_RX_SG_CB (PAGE_SIZE >> 1)
257
258struct qeth_hdr_layer3 {
259 __u8 id;
260 __u8 flags;
261 __u16 inbound_checksum; /*TSO:__u16 seqno */
262 __u32 token; /*TSO: __u32 reserved */
263 __u16 length;
264 __u8 vlan_prio;
265 __u8 ext_flags;
266 __u16 vlan_id;
267 __u16 frame_offset;
268 __u8 dest_addr[16];
269} __attribute__ ((packed));
270
271struct qeth_hdr_layer2 {
272 __u8 id;
273 __u8 flags[3];
274 __u8 port_no;
275 __u8 hdr_length;
276 __u16 pkt_length;
277 __u16 seq_no;
278 __u16 vlan_id;
279 __u32 reserved;
280 __u8 reserved2[16];
281} __attribute__ ((packed));
282
283struct qeth_hdr_osn {
284 __u8 id;
285 __u8 reserved;
286 __u16 seq_no;
287 __u16 reserved2;
288 __u16 control_flags;
289 __u16 pdu_length;
290 __u8 reserved3[18];
291 __u32 ccid;
292} __attribute__ ((packed));
293
294struct qeth_hdr {
295 union {
296 struct qeth_hdr_layer2 l2;
297 struct qeth_hdr_layer3 l3;
298 struct qeth_hdr_osn osn;
299 } hdr;
300} __attribute__ ((packed));
301
302/*TCP Segmentation Offload header*/
303struct qeth_hdr_ext_tso {
304 __u16 hdr_tot_len;
305 __u8 imb_hdr_no;
306 __u8 reserved;
307 __u8 hdr_type;
308 __u8 hdr_version;
309 __u16 hdr_len;
310 __u32 payload_len;
311 __u16 mss;
312 __u16 dg_hdr_len;
313 __u8 padding[16];
314} __attribute__ ((packed));
315
316struct qeth_hdr_tso {
317 struct qeth_hdr hdr; /*hdr->hdr.l3.xxx*/
318 struct qeth_hdr_ext_tso ext;
319} __attribute__ ((packed));
320
321
322/* flags for qeth_hdr.flags */
323#define QETH_HDR_PASSTHRU 0x10
324#define QETH_HDR_IPV6 0x80
325#define QETH_HDR_CAST_MASK 0x07
326enum qeth_cast_flags {
327 QETH_CAST_UNICAST = 0x06,
328 QETH_CAST_MULTICAST = 0x04,
329 QETH_CAST_BROADCAST = 0x05,
330 QETH_CAST_ANYCAST = 0x07,
331 QETH_CAST_NOCAST = 0x00,
332};
333
334enum qeth_layer2_frame_flags {
335 QETH_LAYER2_FLAG_MULTICAST = 0x01,
336 QETH_LAYER2_FLAG_BROADCAST = 0x02,
337 QETH_LAYER2_FLAG_UNICAST = 0x04,
338 QETH_LAYER2_FLAG_VLAN = 0x10,
339};
340
341enum qeth_header_ids {
342 QETH_HEADER_TYPE_LAYER3 = 0x01,
343 QETH_HEADER_TYPE_LAYER2 = 0x02,
344 QETH_HEADER_TYPE_TSO = 0x03,
345 QETH_HEADER_TYPE_OSN = 0x04,
346};
347/* flags for qeth_hdr.ext_flags */
348#define QETH_HDR_EXT_VLAN_FRAME 0x01
349#define QETH_HDR_EXT_TOKEN_ID 0x02
350#define QETH_HDR_EXT_INCLUDE_VLAN_TAG 0x04
351#define QETH_HDR_EXT_SRC_MAC_ADDR 0x08
352#define QETH_HDR_EXT_CSUM_HDR_REQ 0x10
353#define QETH_HDR_EXT_CSUM_TRANSP_REQ 0x20
354#define QETH_HDR_EXT_UDP_TSO 0x40 /*bit off for TCP*/
355
356static inline int qeth_is_last_sbale(struct qdio_buffer_element *sbale)
357{
358 return (sbale->flags & SBAL_FLAGS_LAST_ENTRY);
359}
360
361enum qeth_qdio_buffer_states {
362 /*
363 * inbound: read out by driver; owned by hardware in order to be filled
364 * outbound: owned by driver in order to be filled
365 */
366 QETH_QDIO_BUF_EMPTY,
367 /*
368 * inbound: filled by hardware; owned by driver in order to be read out
369 * outbound: filled by driver; owned by hardware in order to be sent
370 */
371 QETH_QDIO_BUF_PRIMED,
372};
373
374enum qeth_qdio_info_states {
375 QETH_QDIO_UNINITIALIZED,
376 QETH_QDIO_ALLOCATED,
377 QETH_QDIO_ESTABLISHED,
378 QETH_QDIO_CLEANING
379};
380
381struct qeth_buffer_pool_entry {
382 struct list_head list;
383 struct list_head init_list;
384 void *elements[QDIO_MAX_ELEMENTS_PER_BUFFER];
385};
386
387struct qeth_qdio_buffer_pool {
388 struct list_head entry_list;
389 int buf_count;
390};
391
392struct qeth_qdio_buffer {
393 struct qdio_buffer *buffer;
394 /* the buffer pool entry currently associated to this buffer */
395 struct qeth_buffer_pool_entry *pool_entry;
396};
397
398struct qeth_qdio_q {
399 struct qdio_buffer qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
400 struct qeth_qdio_buffer bufs[QDIO_MAX_BUFFERS_PER_Q];
401 int next_buf_to_init;
402} __attribute__ ((aligned(256)));
403
404/* possible types of qeth large_send support */
405enum qeth_large_send_types {
406 QETH_LARGE_SEND_NO,
407 QETH_LARGE_SEND_EDDP,
408 QETH_LARGE_SEND_TSO,
409};
410
411struct qeth_qdio_out_buffer {
412 struct qdio_buffer *buffer;
413 atomic_t state;
414 int next_element_to_fill;
415 struct sk_buff_head skb_list;
416 struct list_head ctx_list;
683d718a 417 int is_header[16];
4a71df50
FB		 418};
419
420struct qeth_card;
421
422enum qeth_out_q_states {
423 QETH_OUT_Q_UNLOCKED,
424 QETH_OUT_Q_LOCKED,
425 QETH_OUT_Q_LOCKED_FLUSH,
426};
427
428struct qeth_qdio_out_q {
429 struct qdio_buffer qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
430 struct qeth_qdio_out_buffer bufs[QDIO_MAX_BUFFERS_PER_Q];
431 int queue_no;
432 struct qeth_card *card;
433 atomic_t state;
434 int do_pack;
435 /*
436 * index of buffer to be filled by driver; state EMPTY or PACKING
437 */
438 int next_buf_to_fill;
439 /*
440 * number of buffers that are currently filled (PRIMED)
441 * -> these buffers are hardware-owned
442 */
443 atomic_t used_buffers;
444 /* indicates whether PCI flag must be set (or if one is outstanding) */
445 atomic_t set_pci_flags_count;
446} __attribute__ ((aligned(256)));
447
448struct qeth_qdio_info {
449 atomic_t state;
450 /* input */
451 struct qeth_qdio_q *in_q;
452 struct qeth_qdio_buffer_pool in_buf_pool;
453 struct qeth_qdio_buffer_pool init_pool;
454 int in_buf_size;
455
456 /* output */
457 int no_out_queues;
458 struct qeth_qdio_out_q **out_qs;
459
460 /* priority queueing */
461 int do_prio_queueing;
462 int default_out_queue;
463};
464
465enum qeth_send_errors {
466 QETH_SEND_ERROR_NONE,
467 QETH_SEND_ERROR_LINK_FAILURE,
468 QETH_SEND_ERROR_RETRY,
469 QETH_SEND_ERROR_KICK_IT,
470};
471
472#define QETH_ETH_MAC_V4 0x0100 /* like v4 */
473#define QETH_ETH_MAC_V6 0x3333 /* like v6 */
474/* tr mc mac is longer, but that will be enough to detect mc frames */
475#define QETH_TR_MAC_NC 0xc000 /* non-canonical */
476#define QETH_TR_MAC_C 0x0300 /* canonical */
477
478#define DEFAULT_ADD_HHLEN 0
479#define MAX_ADD_HHLEN 1024
480
481/**
482 * buffer stuff for read channel
483 */
484#define QETH_CMD_BUFFER_NO 8
485
486/**
487 * channel state machine
488 */
489enum qeth_channel_states {
490 CH_STATE_UP,
491 CH_STATE_DOWN,
492 CH_STATE_ACTIVATING,
493 CH_STATE_HALTED,
494 CH_STATE_STOPPED,
495 CH_STATE_RCD,
496 CH_STATE_RCD_DONE,
497};
498/**
499 * card state machine
500 */
501enum qeth_card_states {
502 CARD_STATE_DOWN,
503 CARD_STATE_HARDSETUP,
504 CARD_STATE_SOFTSETUP,
505 CARD_STATE_UP,
506 CARD_STATE_RECOVER,
507};
508
509/**
510 * Protocol versions
511 */
512enum qeth_prot_versions {
513 QETH_PROT_IPV4 = 0x0004,
514 QETH_PROT_IPV6 = 0x0006,
515};
516
517enum qeth_ip_types {
518 QETH_IP_TYPE_NORMAL,
519 QETH_IP_TYPE_VIPA,
520 QETH_IP_TYPE_RXIP,
521 QETH_IP_TYPE_DEL_ALL_MC,
522};
523
524enum qeth_cmd_buffer_state {
525 BUF_STATE_FREE,
526 BUF_STATE_LOCKED,
527 BUF_STATE_PROCESSED,
528};
529
530struct qeth_ipato {
531 int enabled;
532 int invert4;
533 int invert6;
534 struct list_head entries;
535};
536
537struct qeth_channel;
538
539struct qeth_cmd_buffer {
540 enum qeth_cmd_buffer_state state;
541 struct qeth_channel *channel;
542 unsigned char *data;
543 int rc;
544 void (*callback) (struct qeth_channel *, struct qeth_cmd_buffer *);
545};
546
547/**
548 * definition of a qeth channel, used for read and write
549 */
550struct qeth_channel {
551 enum qeth_channel_states state;
552 struct ccw1 ccw;
553 spinlock_t iob_lock;
554 wait_queue_head_t wait_q;
555 struct tasklet_struct irq_tasklet;
556 struct ccw_device *ccwdev;
557/*command buffer for control data*/
558 struct qeth_cmd_buffer iob[QETH_CMD_BUFFER_NO];
559 atomic_t irq_pending;
560 int io_buf_no;
561 int buf_no;
562};
563
564/**
565 * OSA card related definitions
566 */
567struct qeth_token {
568 __u32 issuer_rm_w;
569 __u32 issuer_rm_r;
570 __u32 cm_filter_w;
571 __u32 cm_filter_r;
572 __u32 cm_connection_w;
573 __u32 cm_connection_r;
574 __u32 ulp_filter_w;
575 __u32 ulp_filter_r;
576 __u32 ulp_connection_w;
577 __u32 ulp_connection_r;
578};
579
580struct qeth_seqno {
581 __u32 trans_hdr;
582 __u32 pdu_hdr;
583 __u32 pdu_hdr_ack;
584 __u16 ipa;
585 __u32 pkt_seqno;
586};
587
588struct qeth_reply {
589 struct list_head list;
590 wait_queue_head_t wait_q;
591 int (*callback)(struct qeth_card *, struct qeth_reply *,
592 unsigned long);
593 u32 seqno;
594 unsigned long offset;
595 atomic_t received;
596 int rc;
597 void *param;
598 struct qeth_card *card;
599 atomic_t refcnt;
600};
601
602
603struct qeth_card_blkt {
604 int time_total;
605 int inter_packet;
606 int inter_packet_jumbo;
607};
608
609#define QETH_BROADCAST_WITH_ECHO 0x01
610#define QETH_BROADCAST_WITHOUT_ECHO 0x02
611#define QETH_LAYER2_MAC_READ 0x01
612#define QETH_LAYER2_MAC_REGISTERED 0x02
613struct qeth_card_info {
614 unsigned short unit_addr2;
615 unsigned short cula;
616 unsigned short chpid;
617 __u16 func_level;
618 char mcl_level[QETH_MCL_LENGTH + 1];
619 int guestlan;
620 int mac_bits;
621 int portname_required;
622 int portno;
623 char portname[9];
624 enum qeth_card_types type;
625 enum qeth_link_types link_type;
626 int is_multicast_different;
627 int initial_mtu;
628 int max_mtu;
629 int broadcast_capable;
630 int unique_id;
631 struct qeth_card_blkt blkt;
632 __u32 csum_mask;
633 enum qeth_ipa_promisc_modes promisc_mode;
634};
635
636struct qeth_card_options {
637 struct qeth_routing_info route4;
638 struct qeth_ipa_info ipa4;
639 struct qeth_ipa_info adp; /*Adapter parameters*/
640 struct qeth_routing_info route6;
641 struct qeth_ipa_info ipa6;
642 enum qeth_checksum_types checksum_type;
643 int broadcast_mode;
644 int macaddr_mode;
645 int fake_broadcast;
646 int add_hhlen;
4a71df50
FB		 647 int layer2;
648 enum qeth_large_send_types large_send;
649 int performance_stats;
650 int rx_sg_cb;
651};
652
653/*
654 * thread bits for qeth_card thread masks
655 */
656enum qeth_threads {
657 QETH_RECOVER_THREAD = 1,
658};
659
660struct qeth_osn_info {
661 int (*assist_cb)(struct net_device *dev, void *data);
662 int (*data_cb)(struct sk_buff *skb);
663};
664
665enum qeth_discipline_id {
666 QETH_DISCIPLINE_LAYER3 = 0,
667 QETH_DISCIPLINE_LAYER2 = 1,
668};
669
670struct qeth_discipline {
671 qdio_handler_t *input_handler;
672 qdio_handler_t *output_handler;
673 int (*recover)(void *ptr);
674 struct ccwgroup_driver *ccwgdriver;
675};
676
677struct qeth_vlan_vid {
678 struct list_head list;
679 unsigned short vid;
680};
681
682struct qeth_mc_mac {
683 struct list_head list;
684 __u8 mc_addr[MAX_ADDR_LEN];
685 unsigned char mc_addrlen;
7db2266a 686 int is_vmac;
4a71df50
FB		 687};
688
689struct qeth_card {
690 struct list_head list;
691 enum qeth_card_states state;
692 int lan_online;
693 spinlock_t lock;
694 struct ccwgroup_device *gdev;
695 struct qeth_channel read;
696 struct qeth_channel write;
697 struct qeth_channel data;
698
699 struct net_device *dev;
700 struct net_device_stats stats;
701
702 struct qeth_card_info info;
703 struct qeth_token token;
704 struct qeth_seqno seqno;
705 struct qeth_card_options options;
706
707 wait_queue_head_t wait_q;
708 spinlock_t vlanlock;
709 spinlock_t mclock;
710 struct vlan_group *vlangrp;
711 struct list_head vid_list;
712 struct list_head mc_list;
713 struct work_struct kernel_thread_starter;
714 spinlock_t thread_mask_lock;
715 unsigned long thread_start_mask;
716 unsigned long thread_allowed_mask;
717 unsigned long thread_running_mask;
718 spinlock_t ip_lock;
719 struct list_head ip_list;
720 struct list_head *ip_tbd_list;
721 struct qeth_ipato ipato;
722 struct list_head cmd_waiter_list;
723 /* QDIO buffer handling */
724 struct qeth_qdio_info qdio;
725 struct qeth_perf_stats perf_stats;
726 int use_hard_stop;
727 struct qeth_osn_info osn_info;
728 struct qeth_discipline discipline;
729 atomic_t force_alloc_skb;
6bcac508 730 struct service_level qeth_service_level;
4a71df50
FB		 731};
732
733struct qeth_card_list_struct {
734 struct list_head list;
735 rwlock_t rwlock;
736};
737
738/*some helper functions*/
739#define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "")
740
741static inline struct qeth_card *CARD_FROM_CDEV(struct ccw_device *cdev)
742{
743 struct qeth_card *card = dev_get_drvdata(&((struct ccwgroup_device *)
744 dev_get_drvdata(&cdev->dev))->dev);
745 return card;
746}
747
748static inline int qeth_get_micros(void)
749{
750 return (int) (get_clock() >> 12);
751}
752
4a71df50
FB		 753static inline int qeth_get_ip_version(struct sk_buff *skb)
754{
755 switch (skb->protocol) {
756 case ETH_P_IPV6:
757 return 6;
758 case ETH_P_IP:
759 return 4;
760 default:
761 return 0;
762 }
763}
764
f90b744e
FB		 765static inline void qeth_put_buffer_pool_entry(struct qeth_card *card,
766 struct qeth_buffer_pool_entry *entry)
767{
768 list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list);
769}
770
4a71df50
FB		 771struct qeth_eddp_context;
772extern struct ccwgroup_driver qeth_l2_ccwgroup_driver;
773extern struct ccwgroup_driver qeth_l3_ccwgroup_driver;
774const char *qeth_get_cardname_short(struct qeth_card *);
775int qeth_realloc_buffer_pool(struct qeth_card *, int);
776int qeth_core_load_discipline(struct qeth_card *, enum qeth_discipline_id);
777void qeth_core_free_discipline(struct qeth_card *);
778int qeth_core_create_device_attributes(struct device *);
779void qeth_core_remove_device_attributes(struct device *);
780int qeth_core_create_osn_attributes(struct device *);
781void qeth_core_remove_osn_attributes(struct device *);
782
783/* exports for qeth discipline device drivers */
784extern struct qeth_card_list_struct qeth_core_card_list;
683d718a 785extern struct kmem_cache *qeth_core_header_cache;
d11ba0c4 786extern struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS];
4a71df50
FB		 787
788void qeth_set_allowed_threads(struct qeth_card *, unsigned long , int);
789int qeth_threads_running(struct qeth_card *, unsigned long);
790int qeth_wait_for_threads(struct qeth_card *, unsigned long);
791int qeth_do_run_thread(struct qeth_card *, unsigned long);
792void qeth_clear_thread_start_bit(struct qeth_card *, unsigned long);
793void qeth_clear_thread_running_bit(struct qeth_card *, unsigned long);
794int qeth_core_hardsetup_card(struct qeth_card *);
795void qeth_print_status_message(struct qeth_card *);
796int qeth_init_qdio_queues(struct qeth_card *);
797int qeth_send_startlan(struct qeth_card *);
798int qeth_send_stoplan(struct qeth_card *);
799int qeth_send_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *,
800 int (*reply_cb)
801 (struct qeth_card *, struct qeth_reply *, unsigned long),
802 void *);
803struct qeth_cmd_buffer *qeth_get_ipacmd_buffer(struct qeth_card *,
804 enum qeth_ipa_cmds, enum qeth_prot_versions);
805int qeth_query_setadapterparms(struct qeth_card *);
779e6e1c 806int qeth_check_qdio_errors(struct qdio_buffer *, unsigned int, const char *);
4a71df50
FB		 807void qeth_queue_input_buffer(struct qeth_card *, int);
808struct sk_buff *qeth_core_get_next_skb(struct qeth_card *,
809 struct qdio_buffer *, struct qdio_buffer_element **, int *,
810 struct qeth_hdr **);
811void qeth_schedule_recovery(struct qeth_card *);
812void qeth_qdio_output_handler(struct ccw_device *, unsigned int,
779e6e1c 813 int, int, int, unsigned long);
4a71df50
FB		 814void qeth_clear_ipacmd_list(struct qeth_card *);
815int qeth_qdio_clear_card(struct qeth_card *, int);
816void qeth_clear_working_pool_list(struct qeth_card *);
817void qeth_clear_cmd_buffers(struct qeth_channel *);
818void qeth_clear_qdio_buffers(struct qeth_card *);
819void qeth_setadp_promisc_mode(struct qeth_card *);
820struct net_device_stats *qeth_get_stats(struct net_device *);
821int qeth_change_mtu(struct net_device *, int);
822int qeth_setadpparms_change_macaddr(struct qeth_card *);
823void qeth_tx_timeout(struct net_device *);
824void qeth_prepare_control_data(struct qeth_card *, int,
825 struct qeth_cmd_buffer *);
826void qeth_release_buffer(struct qeth_channel *, struct qeth_cmd_buffer *);
827void qeth_prepare_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, char);
828struct qeth_cmd_buffer *qeth_wait_for_buffer(struct qeth_channel *);
829int qeth_mdio_read(struct net_device *, int, int);
830int qeth_snmp_command(struct qeth_card *, char __user *);
831int qeth_set_large_send(struct qeth_card *, enum qeth_large_send_types);
832struct qeth_cmd_buffer *qeth_get_adapter_cmd(struct qeth_card *, __u32, __u32);
833int qeth_default_setadapterparms_cb(struct qeth_card *, struct qeth_reply *,
834 unsigned long);
835int qeth_send_control_data(struct qeth_card *, int, struct qeth_cmd_buffer *,
836 int (*reply_cb)(struct qeth_card *, struct qeth_reply*, unsigned long),
837 void *reply_param);
838int qeth_get_cast_type(struct qeth_card *, struct sk_buff *);
839int qeth_get_priority_queue(struct qeth_card *, struct sk_buff *, int, int);
4a71df50
FB		 840int qeth_get_elements_no(struct qeth_card *, void *, struct sk_buff *, int);
841int qeth_do_send_packet_fast(struct qeth_card *, struct qeth_qdio_out_q *,
842 struct sk_buff *, struct qeth_hdr *, int,
683d718a 843 struct qeth_eddp_context *, int, int);
4a71df50
FB		 844int qeth_do_send_packet(struct qeth_card *, struct qeth_qdio_out_q *,
845 struct sk_buff *, struct qeth_hdr *,
846 int, struct qeth_eddp_context *);
847int qeth_core_get_stats_count(struct net_device *);
848void qeth_core_get_ethtool_stats(struct net_device *,
849 struct ethtool_stats *, u64 *);
850void qeth_core_get_strings(struct net_device *, u32, u8 *);
851void qeth_core_get_drvinfo(struct net_device *, struct ethtool_drvinfo *);
cd023216 852void qeth_dbf_longtext(enum qeth_dbf_names dbf_nix, int level, char *text, ...);
3f9975aa 853int qeth_core_ethtool_get_settings(struct net_device *, struct ethtool_cmd *);
4a71df50
FB		 854
855/* exports for OSN */
856int qeth_osn_assist(struct net_device *, void *, int);
857int qeth_osn_register(unsigned char *read_dev_no, struct net_device **,
858 int (*assist_cb)(struct net_device *, void *),
859 int (*data_cb)(struct sk_buff *));
860void qeth_osn_deregister(struct net_device *);
861
862#endif /* __QETH_CORE_H__ */
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