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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>
34#include <asm/sysinfo.h>
35
36#include "qeth_core_mpc.h"
37
38/**
39 * Debug Facility stuff
40 */
41enum qeth_dbf_names {
42 QETH_DBF_SETUP,
43 QETH_DBF_MSG,
44 QETH_DBF_CTRL,
45 QETH_DBF_INFOS /* must be last element */
46};
47
48struct qeth_dbf_info {
49 char name[DEBUG_MAX_NAME_LEN];
50 int pages;
51 int areas;
52 int len;
53 int level;
54 struct debug_view *view;
55 debug_info_t *id;
56};
57
58#define QETH_DBF_CTRL_LEN 256
59
60#define QETH_DBF_TEXT(name, level, text) \
61 debug_text_event(qeth_dbf[QETH_DBF_##name].id, level, text)
62
63#define QETH_DBF_HEX(name, level, addr, len) \
64 debug_event(qeth_dbf[QETH_DBF_##name].id, level, (void *)(addr), len)
65
66#define QETH_DBF_MESSAGE(level, text...) \
67 debug_sprintf_event(qeth_dbf[QETH_DBF_MSG].id, level, text)
68
69#define QETH_DBF_TEXT_(name, level, text...) \
70 qeth_dbf_longtext(qeth_dbf[QETH_DBF_##name].id, level, text)
71
72#define QETH_CARD_TEXT(card, level, text) \
73 debug_text_event(card->debug, level, text)
74
75#define QETH_CARD_HEX(card, level, addr, len) \
76 debug_event(card->debug, level, (void *)(addr), len)
77
78#define QETH_CARD_MESSAGE(card, text...) \
79 debug_sprintf_event(card->debug, level, text)
80
81#define QETH_CARD_TEXT_(card, level, text...) \
82 qeth_dbf_longtext(card->debug, level, text)
83
84#define SENSE_COMMAND_REJECT_BYTE 0
85#define SENSE_COMMAND_REJECT_FLAG 0x80
86#define SENSE_RESETTING_EVENT_BYTE 1
87#define SENSE_RESETTING_EVENT_FLAG 0x80
88
89/*
90 * Common IO related definitions
91 */
92#define CARD_RDEV(card) card->read.ccwdev
93#define CARD_WDEV(card) card->write.ccwdev
94#define CARD_DDEV(card) card->data.ccwdev
95#define CARD_BUS_ID(card) dev_name(&card->gdev->dev)
96#define CARD_RDEV_ID(card) dev_name(&card->read.ccwdev->dev)
97#define CARD_WDEV_ID(card) dev_name(&card->write.ccwdev->dev)
98#define CARD_DDEV_ID(card) dev_name(&card->data.ccwdev->dev)
99#define CHANNEL_ID(channel) dev_name(&channel->ccwdev->dev)
100
101/**
102 * card stuff
103 */
104struct qeth_perf_stats {
105 unsigned int bufs_rec;
106 unsigned int bufs_sent;
107
108 unsigned int skbs_sent_pack;
109 unsigned int bufs_sent_pack;
110
111 unsigned int sc_dp_p;
112 unsigned int sc_p_dp;
113 /* qdio_input_handler: number of times called, time spent in */
114 __u64 inbound_start_time;
115 unsigned int inbound_cnt;
116 unsigned int inbound_time;
117 /* qeth_send_packet: number of times called, time spent in */
118 __u64 outbound_start_time;
119 unsigned int outbound_cnt;
120 unsigned int outbound_time;
121 /* qdio_output_handler: number of times called, time spent in */
122 __u64 outbound_handler_start_time;
123 unsigned int outbound_handler_cnt;
124 unsigned int outbound_handler_time;
125 /* number of calls to and time spent in do_QDIO for inbound queue */
126 __u64 inbound_do_qdio_start_time;
127 unsigned int inbound_do_qdio_cnt;
128 unsigned int inbound_do_qdio_time;
129 /* number of calls to and time spent in do_QDIO for outbound queues */
130 __u64 outbound_do_qdio_start_time;
131 unsigned int outbound_do_qdio_cnt;
132 unsigned int outbound_do_qdio_time;
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;
144 unsigned int tx_csum;
145 unsigned int tx_lin;
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
190#define QETH_IDX_FUNC_LEVEL_OSD 0x0101
191#define QETH_IDX_FUNC_LEVEL_IQD 0x4108
192
193#define QETH_MODELLIST_ARRAY \
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
206
207#define QETH_REAL_CARD 1
208#define QETH_VLAN_CARD 2
209#define QETH_BUFSIZE 4096
210
211/**
212 * some more defs
213 */
214#define QETH_TX_TIMEOUT 100 * HZ
215#define QETH_RCD_TIMEOUT 60 * HZ
216#define QETH_HEADER_SIZE 32
217#define QETH_MAX_PORTNO 15
218
219/*IPv6 address autoconfiguration stuff*/
220#define UNIQUE_ID_IF_CREATE_ADDR_FAILED 0xfffe
221#define UNIQUE_ID_NOT_BY_CARD 0x10000
222
223/*****************************************************************************/
224/* QDIO queue and buffer handling */
225/*****************************************************************************/
226#define QETH_MAX_QUEUES 4
227#define QETH_IN_BUF_SIZE_DEFAULT 65536
228#define QETH_IN_BUF_COUNT_DEFAULT 64
229#define QETH_IN_BUF_COUNT_HSDEFAULT 128
230#define QETH_IN_BUF_COUNT_MIN 8
231#define QETH_IN_BUF_COUNT_MAX 128
232#define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12)
233#define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \
234 ((card)->qdio.in_buf_pool.buf_count / 2)
235
236/* buffers we have to be behind before we get a PCI */
237#define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1)
238/*enqueued free buffers left before we get a PCI*/
239#define QETH_PCI_THRESHOLD_B(card) 0
240/*not used unless the microcode gets patched*/
241#define QETH_PCI_TIMER_VALUE(card) 3
242
243/* priority queing */
244#define QETH_PRIOQ_DEFAULT QETH_NO_PRIO_QUEUEING
245#define QETH_DEFAULT_QUEUE 2
246#define QETH_NO_PRIO_QUEUEING 0
247#define QETH_PRIO_Q_ING_PREC 1
248#define QETH_PRIO_Q_ING_TOS 2
249#define IP_TOS_LOWDELAY 0x10
250#define IP_TOS_HIGHTHROUGHPUT 0x08
251#define IP_TOS_HIGHRELIABILITY 0x04
252#define IP_TOS_NOTIMPORTANT 0x02
253
254/* Packing */
255#define QETH_LOW_WATERMARK_PACK 2
256#define QETH_HIGH_WATERMARK_PACK 5
257#define QETH_WATERMARK_PACK_FUZZ 1
258
259#define QETH_IP_HEADER_SIZE 40
260
261/* large receive scatter gather copy break */
262#define QETH_RX_SG_CB (PAGE_SIZE >> 1)
263
264struct qeth_hdr_layer3 {
265 __u8 id;
266 __u8 flags;
267 __u16 inbound_checksum; /*TSO:__u16 seqno */
268 __u32 token; /*TSO: __u32 reserved */
269 __u16 length;
270 __u8 vlan_prio;
271 __u8 ext_flags;
272 __u16 vlan_id;
273 __u16 frame_offset;
274 __u8 dest_addr[16];
275} __attribute__ ((packed));
276
277struct qeth_hdr_layer2 {
278 __u8 id;
279 __u8 flags[3];
280 __u8 port_no;
281 __u8 hdr_length;
282 __u16 pkt_length;
283 __u16 seq_no;
284 __u16 vlan_id;
285 __u32 reserved;
286 __u8 reserved2[16];
287} __attribute__ ((packed));
288
289struct qeth_hdr_osn {
290 __u8 id;
291 __u8 reserved;
292 __u16 seq_no;
293 __u16 reserved2;
294 __u16 control_flags;
295 __u16 pdu_length;
296 __u8 reserved3[18];
297 __u32 ccid;
298} __attribute__ ((packed));
299
300struct qeth_hdr {
301 union {
302 struct qeth_hdr_layer2 l2;
303 struct qeth_hdr_layer3 l3;
304 struct qeth_hdr_osn osn;
305 } hdr;
306} __attribute__ ((packed));
307
308/*TCP Segmentation Offload header*/
309struct qeth_hdr_ext_tso {
310 __u16 hdr_tot_len;
311 __u8 imb_hdr_no;
312 __u8 reserved;
313 __u8 hdr_type;
314 __u8 hdr_version;
315 __u16 hdr_len;
316 __u32 payload_len;
317 __u16 mss;
318 __u16 dg_hdr_len;
319 __u8 padding[16];
320} __attribute__ ((packed));
321
322struct qeth_hdr_tso {
323 struct qeth_hdr hdr; /*hdr->hdr.l3.xxx*/
324 struct qeth_hdr_ext_tso ext;
325} __attribute__ ((packed));
326
327
328/* flags for qeth_hdr.flags */
329#define QETH_HDR_PASSTHRU 0x10
330#define QETH_HDR_IPV6 0x80
331#define QETH_HDR_CAST_MASK 0x07
332enum qeth_cast_flags {
333 QETH_CAST_UNICAST = 0x06,
334 QETH_CAST_MULTICAST = 0x04,
335 QETH_CAST_BROADCAST = 0x05,
336 QETH_CAST_ANYCAST = 0x07,
337 QETH_CAST_NOCAST = 0x00,
338};
339
340enum qeth_layer2_frame_flags {
341 QETH_LAYER2_FLAG_MULTICAST = 0x01,
342 QETH_LAYER2_FLAG_BROADCAST = 0x02,
343 QETH_LAYER2_FLAG_UNICAST = 0x04,
344 QETH_LAYER2_FLAG_VLAN = 0x10,
345};
346
347enum qeth_header_ids {
348 QETH_HEADER_TYPE_LAYER3 = 0x01,
349 QETH_HEADER_TYPE_LAYER2 = 0x02,
350 QETH_HEADER_TYPE_TSO = 0x03,
351 QETH_HEADER_TYPE_OSN = 0x04,
352};
353/* flags for qeth_hdr.ext_flags */
354#define QETH_HDR_EXT_VLAN_FRAME 0x01
355#define QETH_HDR_EXT_TOKEN_ID 0x02
356#define QETH_HDR_EXT_INCLUDE_VLAN_TAG 0x04
357#define QETH_HDR_EXT_SRC_MAC_ADDR 0x08
358#define QETH_HDR_EXT_CSUM_HDR_REQ 0x10
359#define QETH_HDR_EXT_CSUM_TRANSP_REQ 0x20
360#define QETH_HDR_EXT_UDP 0x40 /*bit off for TCP*/
361
362static inline int qeth_is_last_sbale(struct qdio_buffer_element *sbale)
363{
364 return (sbale->eflags & SBAL_EFLAGS_LAST_ENTRY);
365}
366
367enum qeth_qdio_buffer_states {
368 /*
369 * inbound: read out by driver; owned by hardware in order to be filled
370 * outbound: owned by driver in order to be filled
371 */
372 QETH_QDIO_BUF_EMPTY,
373 /*
374 * inbound: filled by hardware; owned by driver in order to be read out
375 * outbound: filled by driver; owned by hardware in order to be sent
376 */
377 QETH_QDIO_BUF_PRIMED,
378};
379
380enum qeth_qdio_info_states {
381 QETH_QDIO_UNINITIALIZED,
382 QETH_QDIO_ALLOCATED,
383 QETH_QDIO_ESTABLISHED,
384 QETH_QDIO_CLEANING
385};
386
387struct qeth_buffer_pool_entry {
388 struct list_head list;
389 struct list_head init_list;
390 void *elements[QDIO_MAX_ELEMENTS_PER_BUFFER];
391};
392
393struct qeth_qdio_buffer_pool {
394 struct list_head entry_list;
395 int buf_count;
396};
397
398struct qeth_qdio_buffer {
399 struct qdio_buffer *buffer;
400 /* the buffer pool entry currently associated to this buffer */
401 struct qeth_buffer_pool_entry *pool_entry;
402};
403
404struct qeth_qdio_q {
405 struct qdio_buffer qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
406 struct qeth_qdio_buffer bufs[QDIO_MAX_BUFFERS_PER_Q];
407 int next_buf_to_init;
408} __attribute__ ((aligned(256)));
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;
416 int is_header[16];
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 __u32 tx_csum_mask;
633 enum qeth_ipa_promisc_modes promisc_mode;
634 __u32 diagass_support;
635 __u32 hwtrap;
636};
637
638struct qeth_card_options {
639 struct qeth_routing_info route4;
640 struct qeth_ipa_info ipa4;
641 struct qeth_ipa_info adp; /*Adapter parameters*/
642 struct qeth_routing_info route6;
643 struct qeth_ipa_info ipa6;
644 int broadcast_mode;
645 int macaddr_mode;
646 int fake_broadcast;
647 int add_hhlen;
648 int layer2;
649 int performance_stats;
650 int rx_sg_cb;
651 enum qeth_ipa_isolation_modes isolation;
652 int sniffer;
653};
654
655/*
656 * thread bits for qeth_card thread masks
657 */
658enum qeth_threads {
659 QETH_RECOVER_THREAD = 1,
660};
661
662struct qeth_osn_info {
663 int (*assist_cb)(struct net_device *dev, void *data);
664 int (*data_cb)(struct sk_buff *skb);
665};
666
667enum qeth_discipline_id {
668 QETH_DISCIPLINE_LAYER3 = 0,
669 QETH_DISCIPLINE_LAYER2 = 1,
670};
671
672struct qeth_discipline {
673 void (*start_poll)(struct ccw_device *, int, unsigned long);
674 qdio_handler_t *input_handler;
675 qdio_handler_t *output_handler;
676 int (*recover)(void *ptr);
677 struct ccwgroup_driver *ccwgdriver;
678};
679
680struct qeth_vlan_vid {
681 struct list_head list;
682 unsigned short vid;
683};
684
685struct qeth_mc_mac {
686 struct list_head list;
687 __u8 mc_addr[MAX_ADDR_LEN];
688 unsigned char mc_addrlen;
689 int is_vmac;
690};
691
692struct qeth_rx {
693 int b_count;
694 int b_index;
695 struct qdio_buffer_element *b_element;
696 int e_offset;
697 int qdio_err;
698};
699
700#define QETH_NAPI_WEIGHT 128
701
702struct qeth_card {
703 struct list_head list;
704 enum qeth_card_states state;
705 int lan_online;
706 spinlock_t lock;
707 struct ccwgroup_device *gdev;
708 struct qeth_channel read;
709 struct qeth_channel write;
710 struct qeth_channel data;
711
712 struct net_device *dev;
713 struct net_device_stats stats;
714
715 struct qeth_card_info info;
716 struct qeth_token token;
717 struct qeth_seqno seqno;
718 struct qeth_card_options options;
719
720 wait_queue_head_t wait_q;
721 spinlock_t vlanlock;
722 spinlock_t mclock;
723 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
724 struct list_head vid_list;
725 struct list_head mc_list;
726 struct work_struct kernel_thread_starter;
727 spinlock_t thread_mask_lock;
728 unsigned long thread_start_mask;
729 unsigned long thread_allowed_mask;
730 unsigned long thread_running_mask;
731 spinlock_t ip_lock;
732 struct list_head ip_list;
733 struct list_head *ip_tbd_list;
734 struct qeth_ipato ipato;
735 struct list_head cmd_waiter_list;
736 /* QDIO buffer handling */
737 struct qeth_qdio_info qdio;
738 struct qeth_perf_stats perf_stats;
739 int read_or_write_problem;
740 struct qeth_osn_info osn_info;
741 struct qeth_discipline discipline;
742 atomic_t force_alloc_skb;
743 struct service_level qeth_service_level;
744 struct qdio_ssqd_desc ssqd;
745 debug_info_t *debug;
746 struct mutex conf_mutex;
747 struct mutex discipline_mutex;
748 struct napi_struct napi;
749 struct qeth_rx rx;
750};
751
752struct qeth_card_list_struct {
753 struct list_head list;
754 rwlock_t rwlock;
755};
756
757struct qeth_trap_id {
758 __u16 lparnr;
759 char vmname[8];
760 __u8 chpid;
761 __u8 ssid;
762 __u16 devno;
763} __packed;
764
765/*some helper functions*/
766#define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "")
767
768static inline struct qeth_card *CARD_FROM_CDEV(struct ccw_device *cdev)
769{
770 struct qeth_card *card = dev_get_drvdata(&((struct ccwgroup_device *)
771 dev_get_drvdata(&cdev->dev))->dev);
772 return card;
773}
774
775static inline int qeth_get_micros(void)
776{
777 return (int) (get_clock() >> 12);
778}
779
780static inline int qeth_get_ip_version(struct sk_buff *skb)
781{
782 struct ethhdr *ehdr = (struct ethhdr *)skb->data;
783 switch (ehdr->h_proto) {
784 case ETH_P_IPV6:
785 return 6;
786 case ETH_P_IP:
787 return 4;
788 default:
789 return 0;
790 }
791}
792
793static inline void qeth_put_buffer_pool_entry(struct qeth_card *card,
794 struct qeth_buffer_pool_entry *entry)
795{
796 list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list);
797}
798
799static inline int qeth_is_diagass_supported(struct qeth_card *card,
800 enum qeth_diags_cmds cmd)
801{
802 return card->info.diagass_support & (__u32)cmd;
803}
804
805extern struct ccwgroup_driver qeth_l2_ccwgroup_driver;
806extern struct ccwgroup_driver qeth_l3_ccwgroup_driver;
807const char *qeth_get_cardname_short(struct qeth_card *);
808int qeth_realloc_buffer_pool(struct qeth_card *, int);
809int qeth_core_load_discipline(struct qeth_card *, enum qeth_discipline_id);
810void qeth_core_free_discipline(struct qeth_card *);
811int qeth_core_create_device_attributes(struct device *);
812void qeth_core_remove_device_attributes(struct device *);
813int qeth_core_create_osn_attributes(struct device *);
814void qeth_core_remove_osn_attributes(struct device *);
815
816/* exports for qeth discipline device drivers */
817extern struct qeth_card_list_struct qeth_core_card_list;
818extern struct kmem_cache *qeth_core_header_cache;
819extern struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS];
820
821void qeth_set_allowed_threads(struct qeth_card *, unsigned long , int);
822int qeth_threads_running(struct qeth_card *, unsigned long);
823int qeth_wait_for_threads(struct qeth_card *, unsigned long);
824int qeth_do_run_thread(struct qeth_card *, unsigned long);
825void qeth_clear_thread_start_bit(struct qeth_card *, unsigned long);
826void qeth_clear_thread_running_bit(struct qeth_card *, unsigned long);
827int qeth_core_hardsetup_card(struct qeth_card *);
828void qeth_print_status_message(struct qeth_card *);
829int qeth_init_qdio_queues(struct qeth_card *);
830int qeth_send_startlan(struct qeth_card *);
831int qeth_send_stoplan(struct qeth_card *);
832int qeth_send_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *,
833 int (*reply_cb)
834 (struct qeth_card *, struct qeth_reply *, unsigned long),
835 void *);
836struct qeth_cmd_buffer *qeth_get_ipacmd_buffer(struct qeth_card *,
837 enum qeth_ipa_cmds, enum qeth_prot_versions);
838int qeth_query_setadapterparms(struct qeth_card *);
839int qeth_check_qdio_errors(struct qeth_card *, struct qdio_buffer *,
840 unsigned int, const char *);
841void qeth_queue_input_buffer(struct qeth_card *, int);
842struct sk_buff *qeth_core_get_next_skb(struct qeth_card *,
843 struct qdio_buffer *, struct qdio_buffer_element **, int *,
844 struct qeth_hdr **);
845void qeth_schedule_recovery(struct qeth_card *);
846void qeth_qdio_start_poll(struct ccw_device *, int, unsigned long);
847void qeth_qdio_input_handler(struct ccw_device *,
848 unsigned int, unsigned int, int,
849 int, unsigned long);
850void qeth_qdio_output_handler(struct ccw_device *, unsigned int,
851 int, int, int, unsigned long);
852void qeth_clear_ipacmd_list(struct qeth_card *);
853int qeth_qdio_clear_card(struct qeth_card *, int);
854void qeth_clear_working_pool_list(struct qeth_card *);
855void qeth_clear_cmd_buffers(struct qeth_channel *);
856void qeth_clear_qdio_buffers(struct qeth_card *);
857void qeth_setadp_promisc_mode(struct qeth_card *);
858struct net_device_stats *qeth_get_stats(struct net_device *);
859int qeth_change_mtu(struct net_device *, int);
860int qeth_setadpparms_change_macaddr(struct qeth_card *);
861void qeth_tx_timeout(struct net_device *);
862void qeth_prepare_control_data(struct qeth_card *, int,
863 struct qeth_cmd_buffer *);
864void qeth_release_buffer(struct qeth_channel *, struct qeth_cmd_buffer *);
865void qeth_prepare_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, char);
866struct qeth_cmd_buffer *qeth_wait_for_buffer(struct qeth_channel *);
867int qeth_mdio_read(struct net_device *, int, int);
868int qeth_snmp_command(struct qeth_card *, char __user *);
869struct qeth_cmd_buffer *qeth_get_adapter_cmd(struct qeth_card *, __u32, __u32);
870int qeth_default_setadapterparms_cb(struct qeth_card *, struct qeth_reply *,
871 unsigned long);
872int qeth_send_control_data(struct qeth_card *, int, struct qeth_cmd_buffer *,
873 int (*reply_cb)(struct qeth_card *, struct qeth_reply*, unsigned long),
874 void *reply_param);
875int qeth_get_priority_queue(struct qeth_card *, struct sk_buff *, int, int);
876int qeth_get_elements_no(struct qeth_card *, void *, struct sk_buff *, int);
877int qeth_do_send_packet_fast(struct qeth_card *, struct qeth_qdio_out_q *,
878 struct sk_buff *, struct qeth_hdr *, int, int, int);
879int qeth_do_send_packet(struct qeth_card *, struct qeth_qdio_out_q *,
880 struct sk_buff *, struct qeth_hdr *, int);
881int qeth_core_get_sset_count(struct net_device *, int);
882void qeth_core_get_ethtool_stats(struct net_device *,
883 struct ethtool_stats *, u64 *);
884void qeth_core_get_strings(struct net_device *, u32, u8 *);
885void qeth_core_get_drvinfo(struct net_device *, struct ethtool_drvinfo *);
886void qeth_dbf_longtext(debug_info_t *id, int level, char *text, ...);
887int qeth_core_ethtool_get_settings(struct net_device *, struct ethtool_cmd *);
888int qeth_set_access_ctrl_online(struct qeth_card *card);
889int qeth_hdr_chk_and_bounce(struct sk_buff *, int);
890int qeth_hw_trap(struct qeth_card *, enum qeth_diags_trap_action);
891int qeth_query_ipassists(struct qeth_card *, enum qeth_prot_versions prot);
892
893/* exports for OSN */
894int qeth_osn_assist(struct net_device *, void *, int);
895int qeth_osn_register(unsigned char *read_dev_no, struct net_device **,
896 int (*assist_cb)(struct net_device *, void *),
897 int (*data_cb)(struct sk_buff *));
898void qeth_osn_deregister(struct net_device *);
899
900#endif /* __QETH_CORE_H__ */
1/* SPDX-License-Identifier: GPL-2.0 */
2/*
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/completion.h>
14#include <linux/debugfs.h>
15#include <linux/if.h>
16#include <linux/if_arp.h>
17#include <linux/etherdevice.h>
18#include <linux/if_vlan.h>
19#include <linux/ctype.h>
20#include <linux/in6.h>
21#include <linux/bitops.h>
22#include <linux/seq_file.h>
23#include <linux/hashtable.h>
24#include <linux/ip.h>
25#include <linux/rcupdate.h>
26#include <linux/refcount.h>
27#include <linux/timer.h>
28#include <linux/types.h>
29#include <linux/wait.h>
30#include <linux/workqueue.h>
31
32#include <net/dst.h>
33#include <net/ip6_fib.h>
34#include <net/ipv6.h>
35#include <net/if_inet6.h>
36#include <net/addrconf.h>
37#include <net/route.h>
38#include <net/sch_generic.h>
39#include <net/tcp.h>
40
41#include <asm/debug.h>
42#include <asm/qdio.h>
43#include <asm/ccwdev.h>
44#include <asm/ccwgroup.h>
45#include <asm/sysinfo.h>
46
47#include <uapi/linux/if_link.h>
48
49#include "qeth_core_mpc.h"
50
51/**
52 * Debug Facility stuff
53 */
54enum qeth_dbf_names {
55 QETH_DBF_SETUP,
56 QETH_DBF_MSG,
57 QETH_DBF_CTRL,
58 QETH_DBF_INFOS /* must be last element */
59};
60
61struct qeth_dbf_info {
62 char name[DEBUG_MAX_NAME_LEN];
63 int pages;
64 int areas;
65 int len;
66 int level;
67 struct debug_view *view;
68 debug_info_t *id;
69};
70
71#define QETH_DBF_CTRL_LEN 256U
72
73#define QETH_DBF_TEXT(name, level, text) \
74 debug_text_event(qeth_dbf[QETH_DBF_##name].id, level, text)
75
76#define QETH_DBF_HEX(name, level, addr, len) \
77 debug_event(qeth_dbf[QETH_DBF_##name].id, level, (void *)(addr), len)
78
79#define QETH_DBF_MESSAGE(level, text...) \
80 debug_sprintf_event(qeth_dbf[QETH_DBF_MSG].id, level, text)
81
82#define QETH_DBF_TEXT_(name, level, text...) \
83 qeth_dbf_longtext(qeth_dbf[QETH_DBF_##name].id, level, text)
84
85#define QETH_CARD_TEXT(card, level, text) \
86 debug_text_event(card->debug, level, text)
87
88#define QETH_CARD_HEX(card, level, addr, len) \
89 debug_event(card->debug, level, (void *)(addr), len)
90
91#define QETH_CARD_MESSAGE(card, text...) \
92 debug_sprintf_event(card->debug, level, text)
93
94#define QETH_CARD_TEXT_(card, level, text...) \
95 qeth_dbf_longtext(card->debug, level, text)
96
97#define SENSE_COMMAND_REJECT_BYTE 0
98#define SENSE_COMMAND_REJECT_FLAG 0x80
99#define SENSE_RESETTING_EVENT_BYTE 1
100#define SENSE_RESETTING_EVENT_FLAG 0x80
101
102static inline u32 qeth_get_device_id(struct ccw_device *cdev)
103{
104 struct ccw_dev_id dev_id;
105 u32 id;
106
107 ccw_device_get_id(cdev, &dev_id);
108 id = dev_id.devno;
109 id |= (u32) (dev_id.ssid << 16);
110
111 return id;
112}
113
114/*
115 * Common IO related definitions
116 */
117#define CARD_RDEV(card) card->read.ccwdev
118#define CARD_WDEV(card) card->write.ccwdev
119#define CARD_DDEV(card) card->data.ccwdev
120#define CARD_BUS_ID(card) dev_name(&card->gdev->dev)
121#define CARD_RDEV_ID(card) dev_name(&card->read.ccwdev->dev)
122#define CARD_WDEV_ID(card) dev_name(&card->write.ccwdev->dev)
123#define CARD_DDEV_ID(card) dev_name(&card->data.ccwdev->dev)
124#define CCW_DEVID(cdev) (qeth_get_device_id(cdev))
125#define CARD_DEVID(card) (CCW_DEVID(CARD_RDEV(card)))
126
127/* Routing stuff */
128struct qeth_routing_info {
129 enum qeth_routing_types type;
130};
131
132/* SETBRIDGEPORT stuff */
133enum qeth_sbp_roles {
134 QETH_SBP_ROLE_NONE = 0,
135 QETH_SBP_ROLE_PRIMARY = 1,
136 QETH_SBP_ROLE_SECONDARY = 2,
137};
138
139enum qeth_sbp_states {
140 QETH_SBP_STATE_INACTIVE = 0,
141 QETH_SBP_STATE_STANDBY = 1,
142 QETH_SBP_STATE_ACTIVE = 2,
143};
144
145#define QETH_SBP_HOST_NOTIFICATION 1
146
147struct qeth_sbp_info {
148 __u32 supported_funcs;
149 enum qeth_sbp_roles role;
150 __u32 hostnotification:1;
151 __u32 reflect_promisc:1;
152 __u32 reflect_promisc_primary:1;
153};
154
155struct qeth_vnicc_info {
156 /* supported/currently configured VNICCs; updated in IPA exchanges */
157 u32 sup_chars;
158 u32 cur_chars;
159 /* supported commands: bitmasks which VNICCs support respective cmd */
160 u32 set_char_sup;
161 u32 getset_timeout_sup;
162 /* timeout value for the learning characteristic */
163 u32 learning_timeout;
164 /* characteristics wanted/configured by user */
165 u32 wanted_chars;
166 /* has user explicitly enabled rx_bcast while online? */
167 bool rx_bcast_enabled;
168};
169
170#define QETH_IDX_FUNC_LEVEL_OSD 0x0101
171#define QETH_IDX_FUNC_LEVEL_IQD 0x4108
172
173#define QETH_BUFSIZE 4096
174#define CCW_CMD_WRITE 0x01
175#define CCW_CMD_READ 0x02
176
177/**
178 * some more defs
179 */
180#define QETH_TX_TIMEOUT (100 * HZ)
181#define QETH_RCD_TIMEOUT (60 * HZ)
182#define QETH_RECLAIM_WORK_TIME HZ
183#define QETH_MAX_PORTNO 15
184
185/*****************************************************************************/
186/* QDIO queue and buffer handling */
187/*****************************************************************************/
188#define QETH_MAX_OUT_QUEUES 4
189#define QETH_IQD_MIN_TXQ 2 /* One for ucast, one for mcast. */
190#define QETH_IQD_MCAST_TXQ 0
191#define QETH_IQD_MIN_UCAST_TXQ 1
192
193#define QETH_MAX_IN_QUEUES 2
194#define QETH_RX_COPYBREAK (PAGE_SIZE >> 1)
195#define QETH_IN_BUF_SIZE_DEFAULT 65536
196#define QETH_IN_BUF_COUNT_DEFAULT 64
197#define QETH_IN_BUF_COUNT_HSDEFAULT 128
198#define QETH_IN_BUF_COUNT_MIN 8U
199#define QETH_IN_BUF_COUNT_MAX 128U
200#define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12)
201#define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \
202 ((card)->qdio.in_buf_pool.buf_count / 2)
203
204/* buffers we have to be behind before we get a PCI */
205#define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1)
206/*enqueued free buffers left before we get a PCI*/
207#define QETH_PCI_THRESHOLD_B(card) 0
208/*not used unless the microcode gets patched*/
209#define QETH_PCI_TIMER_VALUE(card) 3
210
211/* priority queing */
212#define QETH_PRIOQ_DEFAULT QETH_NO_PRIO_QUEUEING
213#define QETH_DEFAULT_QUEUE 2
214#define QETH_NO_PRIO_QUEUEING 0
215#define QETH_PRIO_Q_ING_PREC 1
216#define QETH_PRIO_Q_ING_TOS 2
217#define QETH_PRIO_Q_ING_SKB 3
218#define QETH_PRIO_Q_ING_VLAN 4
219#define QETH_PRIO_Q_ING_FIXED 5
220
221/* Packing */
222#define QETH_LOW_WATERMARK_PACK 2
223#define QETH_HIGH_WATERMARK_PACK 5
224#define QETH_WATERMARK_PACK_FUZZ 1
225
226struct qeth_hdr_layer3 {
227 __u8 id;
228 __u8 flags;
229 __u16 inbound_checksum; /*TSO:__u16 seqno */
230 __u32 token; /*TSO: __u32 reserved */
231 __u16 length;
232 __u8 vlan_prio;
233 __u8 ext_flags;
234 __u16 vlan_id;
235 __u16 frame_offset;
236 union {
237 /* TX: */
238 struct in6_addr addr;
239 /* RX: */
240 struct rx {
241 u8 res1[2];
242 u8 src_mac[6];
243 u8 res2[4];
244 u16 vlan_id;
245 u8 res3[2];
246 } rx;
247 } next_hop;
248};
249
250struct qeth_hdr_layer2 {
251 __u8 id;
252 __u8 flags[3];
253 __u8 port_no;
254 __u8 hdr_length;
255 __u16 pkt_length;
256 __u16 seq_no;
257 __u16 vlan_id;
258 __u32 reserved;
259 __u8 reserved2[16];
260} __attribute__ ((packed));
261
262struct qeth_hdr_osn {
263 __u8 id;
264 __u8 reserved;
265 __u16 seq_no;
266 __u16 reserved2;
267 __u16 control_flags;
268 __u16 pdu_length;
269 __u8 reserved3[18];
270 __u32 ccid;
271} __attribute__ ((packed));
272
273struct qeth_hdr {
274 union {
275 struct qeth_hdr_layer2 l2;
276 struct qeth_hdr_layer3 l3;
277 struct qeth_hdr_osn osn;
278 } hdr;
279} __attribute__ ((packed));
280
281#define QETH_QIB_PQUE_ORDER_RR 0
282#define QETH_QIB_PQUE_UNITS_SBAL 2
283#define QETH_QIB_PQUE_PRIO_DEFAULT 4
284
285struct qeth_qib_parms {
286 char pcit_magic[4];
287 u32 pcit_a;
288 u32 pcit_b;
289 u32 pcit_c;
290 char blkt_magic[4];
291 u32 blkt_total;
292 u32 blkt_inter_packet;
293 u32 blkt_inter_packet_jumbo;
294 char pque_magic[4];
295 u8 pque_order;
296 u8 pque_units;
297 u16 reserved;
298 u32 pque_priority[4];
299};
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_L3_TSO = 0x03,
344 QETH_HEADER_TYPE_OSN = 0x04,
345 QETH_HEADER_TYPE_L2_TSO = 0x06,
346 QETH_HEADER_MASK_INVAL = 0x80,
347};
348/* flags for qeth_hdr.ext_flags */
349#define QETH_HDR_EXT_VLAN_FRAME 0x01
350#define QETH_HDR_EXT_TOKEN_ID 0x02
351#define QETH_HDR_EXT_INCLUDE_VLAN_TAG 0x04
352#define QETH_HDR_EXT_SRC_MAC_ADDR 0x08
353#define QETH_HDR_EXT_CSUM_HDR_REQ 0x10
354#define QETH_HDR_EXT_CSUM_TRANSP_REQ 0x20
355#define QETH_HDR_EXT_UDP 0x40 /*bit off for TCP*/
356
357static inline bool qeth_l2_same_vlan(struct qeth_hdr_layer2 *h1,
358 struct qeth_hdr_layer2 *h2)
359{
360 return !((h1->flags[2] ^ h2->flags[2]) & QETH_LAYER2_FLAG_VLAN) &&
361 h1->vlan_id == h2->vlan_id;
362}
363
364static inline bool qeth_l3_iqd_same_vlan(struct qeth_hdr_layer3 *h1,
365 struct qeth_hdr_layer3 *h2)
366{
367 return !((h1->ext_flags ^ h2->ext_flags) & QETH_HDR_EXT_VLAN_FRAME) &&
368 h1->vlan_id == h2->vlan_id;
369}
370
371static inline bool qeth_l3_same_next_hop(struct qeth_hdr_layer3 *h1,
372 struct qeth_hdr_layer3 *h2)
373{
374 return !((h1->flags ^ h2->flags) & QETH_HDR_IPV6) &&
375 ipv6_addr_equal(&h1->next_hop.addr, &h2->next_hop.addr);
376}
377
378struct qeth_local_addr {
379 struct hlist_node hnode;
380 struct rcu_head rcu;
381 struct in6_addr addr;
382};
383
384enum qeth_qdio_info_states {
385 QETH_QDIO_UNINITIALIZED,
386 QETH_QDIO_ALLOCATED,
387 QETH_QDIO_ESTABLISHED,
388 QETH_QDIO_CLEANING
389};
390
391struct qeth_buffer_pool_entry {
392 struct list_head list;
393 struct list_head init_list;
394 struct page *elements[QDIO_MAX_ELEMENTS_PER_BUFFER];
395};
396
397struct qeth_qdio_buffer_pool {
398 struct list_head entry_list;
399 int buf_count;
400};
401
402struct qeth_qdio_buffer {
403 struct qdio_buffer *buffer;
404 /* the buffer pool entry currently associated to this buffer */
405 struct qeth_buffer_pool_entry *pool_entry;
406 struct sk_buff *rx_skb;
407};
408
409struct qeth_qdio_q {
410 struct qdio_buffer *qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
411 struct qeth_qdio_buffer bufs[QDIO_MAX_BUFFERS_PER_Q];
412 int next_buf_to_init;
413};
414
415enum qeth_qdio_out_buffer_state {
416 /* Owned by driver, in order to be filled. */
417 QETH_QDIO_BUF_EMPTY,
418 /* Filled by driver; owned by hardware in order to be sent. */
419 QETH_QDIO_BUF_PRIMED,
420};
421
422enum qeth_qaob_state {
423 QETH_QAOB_ISSUED,
424 QETH_QAOB_PENDING,
425 QETH_QAOB_DONE,
426};
427
428struct qeth_qaob_priv1 {
429 unsigned int state;
430 u8 queue_no;
431};
432
433struct qeth_qdio_out_buffer {
434 struct qdio_buffer *buffer;
435 atomic_t state;
436 int next_element_to_fill;
437 unsigned int frames;
438 unsigned int bytes;
439 struct sk_buff_head skb_list;
440 DECLARE_BITMAP(from_kmem_cache, QDIO_MAX_ELEMENTS_PER_BUFFER);
441
442 struct list_head list_entry;
443 struct qaob *aob;
444};
445
446struct qeth_card;
447
448#define QETH_CARD_STAT_ADD(_c, _stat, _val) ((_c)->stats._stat += (_val))
449#define QETH_CARD_STAT_INC(_c, _stat) QETH_CARD_STAT_ADD(_c, _stat, 1)
450
451#define QETH_TXQ_STAT_ADD(_q, _stat, _val) ((_q)->stats._stat += (_val))
452#define QETH_TXQ_STAT_INC(_q, _stat) QETH_TXQ_STAT_ADD(_q, _stat, 1)
453
454struct qeth_card_stats {
455 u64 rx_bufs;
456 u64 rx_skb_csum;
457 u64 rx_sg_skbs;
458 u64 rx_sg_frags;
459 u64 rx_sg_alloc_page;
460
461 u64 rx_dropped_nomem;
462 u64 rx_dropped_notsupp;
463 u64 rx_dropped_runt;
464
465 /* rtnl_link_stats64 */
466 u64 rx_packets;
467 u64 rx_bytes;
468 u64 rx_multicast;
469 u64 rx_length_errors;
470 u64 rx_frame_errors;
471 u64 rx_fifo_errors;
472};
473
474struct qeth_out_q_stats {
475 u64 bufs;
476 u64 bufs_pack;
477 u64 buf_elements;
478 u64 skbs_pack;
479 u64 skbs_sg;
480 u64 skbs_csum;
481 u64 skbs_tso;
482 u64 skbs_linearized;
483 u64 skbs_linearized_fail;
484 u64 tso_bytes;
485 u64 packing_mode_switch;
486 u64 stopped;
487 u64 doorbell;
488 u64 coal_frames;
489 u64 completion_irq;
490 u64 completion_yield;
491 u64 completion_timer;
492
493 /* rtnl_link_stats64 */
494 u64 tx_packets;
495 u64 tx_bytes;
496 u64 tx_errors;
497 u64 tx_dropped;
498};
499
500#define QETH_TX_MAX_COALESCED_FRAMES 1
501#define QETH_TX_COALESCE_USECS 25
502#define QETH_TX_TIMER_USECS 500
503
504struct qeth_qdio_out_q {
505 struct qdio_buffer *qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
506 struct qeth_qdio_out_buffer *bufs[QDIO_MAX_BUFFERS_PER_Q];
507 struct list_head pending_bufs;
508 struct qeth_out_q_stats stats;
509 spinlock_t lock;
510 unsigned int priority;
511 u8 next_buf_to_fill;
512 u8 max_elements;
513 u8 queue_no;
514 u8 do_pack;
515 struct qeth_card *card;
516 /*
517 * number of buffers that are currently filled (PRIMED)
518 * -> these buffers are hardware-owned
519 */
520 atomic_t used_buffers;
521 /* indicates whether PCI flag must be set (or if one is outstanding) */
522 atomic_t set_pci_flags_count;
523 struct napi_struct napi;
524 struct timer_list timer;
525 struct qeth_hdr *prev_hdr;
526 unsigned int coalesced_frames;
527 u8 bulk_start;
528 u8 bulk_count;
529 u8 bulk_max;
530
531 unsigned int coalesce_usecs;
532 unsigned int max_coalesced_frames;
533 unsigned int rescan_usecs;
534};
535
536#define qeth_for_each_output_queue(card, q, i) \
537 for (i = 0; i < card->qdio.no_out_queues && \
538 (q = card->qdio.out_qs[i]); i++)
539
540#define qeth_napi_to_out_queue(n) container_of(n, struct qeth_qdio_out_q, napi)
541
542static inline void qeth_tx_arm_timer(struct qeth_qdio_out_q *queue,
543 unsigned long usecs)
544{
545 timer_reduce(&queue->timer, usecs_to_jiffies(usecs) + jiffies);
546}
547
548static inline bool qeth_out_queue_is_full(struct qeth_qdio_out_q *queue)
549{
550 return atomic_read(&queue->used_buffers) >= QDIO_MAX_BUFFERS_PER_Q;
551}
552
553static inline bool qeth_out_queue_is_empty(struct qeth_qdio_out_q *queue)
554{
555 return atomic_read(&queue->used_buffers) == 0;
556}
557
558struct qeth_qdio_info {
559 atomic_t state;
560 /* input */
561 int no_in_queues;
562 struct qeth_qdio_q *in_q;
563 struct qeth_qdio_q *c_q;
564 struct qeth_qdio_buffer_pool in_buf_pool;
565 struct qeth_qdio_buffer_pool init_pool;
566 int in_buf_size;
567
568 /* output */
569 unsigned int no_out_queues;
570 struct qeth_qdio_out_q *out_qs[QETH_MAX_OUT_QUEUES];
571
572 /* priority queueing */
573 int do_prio_queueing;
574 int default_out_queue;
575};
576
577/**
578 * channel state machine
579 */
580enum qeth_channel_states {
581 CH_STATE_UP,
582 CH_STATE_DOWN,
583 CH_STATE_HALTED,
584 CH_STATE_STOPPED,
585};
586/**
587 * card state machine
588 */
589enum qeth_card_states {
590 CARD_STATE_DOWN,
591 CARD_STATE_SOFTSETUP,
592};
593
594/**
595 * Protocol versions
596 */
597enum qeth_prot_versions {
598 QETH_PROT_NONE = 0x0000,
599 QETH_PROT_IPV4 = 0x0004,
600 QETH_PROT_IPV6 = 0x0006,
601};
602
603enum qeth_cq {
604 QETH_CQ_DISABLED = 0,
605 QETH_CQ_ENABLED = 1,
606 QETH_CQ_NOTAVAILABLE = 2,
607};
608
609struct qeth_ipato {
610 bool enabled;
611 bool invert4;
612 bool invert6;
613 struct list_head entries;
614};
615
616struct qeth_channel {
617 struct ccw_device *ccwdev;
618 struct qeth_cmd_buffer *active_cmd;
619 enum qeth_channel_states state;
620};
621
622struct qeth_reply {
623 int (*callback)(struct qeth_card *card, struct qeth_reply *reply,
624 unsigned long data);
625 void *param;
626};
627
628struct qeth_cmd_buffer {
629 struct list_head list_entry;
630 struct completion done;
631 spinlock_t lock;
632 unsigned int length;
633 refcount_t ref_count;
634 struct qeth_channel *channel;
635 struct qeth_reply reply;
636 long timeout;
637 unsigned char *data;
638 void (*finalize)(struct qeth_card *card, struct qeth_cmd_buffer *iob);
639 bool (*match)(struct qeth_cmd_buffer *iob,
640 struct qeth_cmd_buffer *reply);
641 void (*callback)(struct qeth_card *card, struct qeth_cmd_buffer *iob,
642 unsigned int data_length);
643 int rc;
644};
645
646static inline void qeth_get_cmd(struct qeth_cmd_buffer *iob)
647{
648 refcount_inc(&iob->ref_count);
649}
650
651static inline struct qeth_ipa_cmd *__ipa_reply(struct qeth_cmd_buffer *iob)
652{
653 if (!IS_IPA(iob->data))
654 return NULL;
655
656 return (struct qeth_ipa_cmd *) PDU_ENCAPSULATION(iob->data);
657}
658
659static inline struct qeth_ipa_cmd *__ipa_cmd(struct qeth_cmd_buffer *iob)
660{
661 return (struct qeth_ipa_cmd *)(iob->data + IPA_PDU_HEADER_SIZE);
662}
663
664static inline struct ccw1 *__ccw_from_cmd(struct qeth_cmd_buffer *iob)
665{
666 return (struct ccw1 *)(iob->data + ALIGN(iob->length, 8));
667}
668
669/**
670 * OSA card related definitions
671 */
672struct qeth_token {
673 __u32 issuer_rm_w;
674 __u32 issuer_rm_r;
675 __u32 cm_filter_w;
676 __u32 cm_filter_r;
677 __u32 cm_connection_w;
678 __u32 cm_connection_r;
679 __u32 ulp_filter_w;
680 __u32 ulp_filter_r;
681 __u32 ulp_connection_w;
682 __u32 ulp_connection_r;
683};
684
685struct qeth_seqno {
686 __u32 trans_hdr;
687 __u32 pdu_hdr;
688 __u32 pdu_hdr_ack;
689 __u16 ipa;
690};
691
692struct qeth_card_blkt {
693 int time_total;
694 int inter_packet;
695 int inter_packet_jumbo;
696};
697
698enum qeth_pnso_mode {
699 QETH_PNSO_NONE,
700 QETH_PNSO_BRIDGEPORT,
701 QETH_PNSO_ADDR_INFO,
702};
703
704enum qeth_link_mode {
705 QETH_LINK_MODE_UNKNOWN,
706 QETH_LINK_MODE_FIBRE_SHORT,
707 QETH_LINK_MODE_FIBRE_LONG,
708};
709
710struct qeth_link_info {
711 u32 speed;
712 u8 duplex;
713 u8 port;
714 enum qeth_link_mode link_mode;
715};
716
717#define QETH_BROADCAST_WITH_ECHO 0x01
718#define QETH_BROADCAST_WITHOUT_ECHO 0x02
719struct qeth_card_info {
720 unsigned short unit_addr2;
721 unsigned short cula;
722 __u16 func_level;
723 char mcl_level[QETH_MCL_LENGTH + 1];
724 /* doubleword below corresponds to net_if_token */
725 u16 ddev_devno;
726 u8 cssid;
727 u8 iid;
728 u8 ssid;
729 u8 chpid;
730 u16 chid;
731 u8 ids_valid:1; /* cssid,iid,chid */
732 u8 dev_addr_is_registered:1;
733 u8 open_when_online:1;
734 u8 promisc_mode:1;
735 u8 use_v1_blkt:1;
736 u8 is_vm_nic:1;
737 /* no bitfield, we take a pointer on these two: */
738 u8 has_lp2lp_cso_v6;
739 u8 has_lp2lp_cso_v4;
740 enum qeth_pnso_mode pnso_mode;
741 enum qeth_card_types type;
742 enum qeth_link_types link_type;
743 int broadcast_capable;
744 bool layer_enforced;
745 struct qeth_card_blkt blkt;
746 __u32 diagass_support;
747 __u32 hwtrap;
748 struct qeth_link_info link_info;
749};
750
751enum qeth_discipline_id {
752 QETH_DISCIPLINE_UNDETERMINED = -1,
753 QETH_DISCIPLINE_LAYER3 = 0,
754 QETH_DISCIPLINE_LAYER2 = 1,
755};
756
757struct qeth_card_options {
758 struct qeth_ipa_caps ipa4;
759 struct qeth_ipa_caps ipa6;
760 struct qeth_routing_info route4;
761 struct qeth_routing_info route6;
762 struct qeth_ipa_caps adp; /* Adapter parameters */
763 struct qeth_sbp_info sbp; /* SETBRIDGEPORT options */
764 struct qeth_vnicc_info vnicc; /* VNICC options */
765 enum qeth_discipline_id layer;
766 enum qeth_ipa_isolation_modes isolation;
767 int sniffer;
768 enum qeth_cq cq;
769 char hsuid[9];
770};
771
772#define IS_LAYER2(card) ((card)->options.layer == QETH_DISCIPLINE_LAYER2)
773#define IS_LAYER3(card) ((card)->options.layer == QETH_DISCIPLINE_LAYER3)
774
775/*
776 * thread bits for qeth_card thread masks
777 */
778enum qeth_threads {
779 QETH_RECOVER_THREAD = 1,
780};
781
782struct qeth_osn_info {
783 int (*assist_cb)(struct net_device *dev, void *data);
784 int (*data_cb)(struct sk_buff *skb);
785};
786
787struct qeth_discipline {
788 const struct device_type *devtype;
789 int (*setup) (struct ccwgroup_device *);
790 void (*remove) (struct ccwgroup_device *);
791 int (*set_online)(struct qeth_card *card, bool carrier_ok);
792 void (*set_offline)(struct qeth_card *card);
793 int (*do_ioctl)(struct net_device *dev, struct ifreq *rq, int cmd);
794 int (*control_event_handler)(struct qeth_card *card,
795 struct qeth_ipa_cmd *cmd);
796};
797
798enum qeth_addr_disposition {
799 QETH_DISP_ADDR_DELETE = 0,
800 QETH_DISP_ADDR_DO_NOTHING = 1,
801 QETH_DISP_ADDR_ADD = 2,
802};
803
804struct qeth_rx {
805 int b_count;
806 int b_index;
807 u8 buf_element;
808 int e_offset;
809 int qdio_err;
810 u8 bufs_refill;
811};
812
813struct qeth_switch_info {
814 __u32 capabilities;
815 __u32 settings;
816};
817
818struct qeth_priv {
819 unsigned int rx_copybreak;
820 unsigned int tx_wanted_queues;
821 u32 brport_hw_features;
822 u32 brport_features;
823};
824
825#define QETH_NAPI_WEIGHT NAPI_POLL_WEIGHT
826
827struct qeth_card {
828 enum qeth_card_states state;
829 spinlock_t lock;
830 struct ccwgroup_device *gdev;
831 struct qeth_cmd_buffer *read_cmd;
832 struct qeth_channel read;
833 struct qeth_channel write;
834 struct qeth_channel data;
835
836 struct net_device *dev;
837 struct dentry *debugfs;
838 struct qeth_card_stats stats;
839 struct qeth_card_info info;
840 struct qeth_token token;
841 struct qeth_seqno seqno;
842 struct qeth_card_options options;
843
844 struct workqueue_struct *event_wq;
845 struct workqueue_struct *cmd_wq;
846 wait_queue_head_t wait_q;
847
848 struct mutex ip_lock;
849 /* protected by ip_lock: */
850 DECLARE_HASHTABLE(ip_htable, 4);
851 struct qeth_ipato ipato;
852
853 DECLARE_HASHTABLE(local_addrs4, 4);
854 DECLARE_HASHTABLE(local_addrs6, 4);
855 spinlock_t local_addrs4_lock;
856 spinlock_t local_addrs6_lock;
857 DECLARE_HASHTABLE(rx_mode_addrs, 4);
858 struct work_struct rx_mode_work;
859 struct work_struct kernel_thread_starter;
860 spinlock_t thread_mask_lock;
861 unsigned long thread_start_mask;
862 unsigned long thread_allowed_mask;
863 unsigned long thread_running_mask;
864 struct list_head cmd_waiter_list;
865 /* QDIO buffer handling */
866 struct qeth_qdio_info qdio;
867 int read_or_write_problem;
868 struct qeth_osn_info osn_info;
869 const struct qeth_discipline *discipline;
870 atomic_t force_alloc_skb;
871 struct service_level qeth_service_level;
872 struct qdio_ssqd_desc ssqd;
873 debug_info_t *debug;
874 struct mutex sbp_lock;
875 struct mutex conf_mutex;
876 struct mutex discipline_mutex;
877 struct napi_struct napi;
878 struct qeth_rx rx;
879 struct delayed_work buffer_reclaim_work;
880};
881
882static inline bool qeth_card_hw_is_reachable(struct qeth_card *card)
883{
884 return card->state == CARD_STATE_SOFTSETUP;
885}
886
887static inline bool qeth_use_tx_irqs(struct qeth_card *card)
888{
889 return !IS_IQD(card);
890}
891
892static inline void qeth_unlock_channel(struct qeth_card *card,
893 struct qeth_channel *channel)
894{
895 xchg(&channel->active_cmd, NULL);
896 wake_up(&card->wait_q);
897}
898
899static inline bool qeth_trylock_channel(struct qeth_channel *channel,
900 struct qeth_cmd_buffer *cmd)
901{
902 return cmpxchg(&channel->active_cmd, NULL, cmd) == NULL;
903}
904
905struct qeth_trap_id {
906 __u16 lparnr;
907 char vmname[8];
908 __u8 chpid;
909 __u8 ssid;
910 __u16 devno;
911} __packed;
912
913static inline bool qeth_uses_tx_prio_queueing(struct qeth_card *card)
914{
915 return card->qdio.do_prio_queueing != QETH_NO_PRIO_QUEUEING;
916}
917
918static inline unsigned int qeth_tx_actual_queues(struct qeth_card *card)
919{
920 struct qeth_priv *priv = netdev_priv(card->dev);
921
922 if (qeth_uses_tx_prio_queueing(card))
923 return min(card->dev->num_tx_queues, card->qdio.no_out_queues);
924
925 return min(priv->tx_wanted_queues, card->qdio.no_out_queues);
926}
927
928static inline u16 qeth_iqd_translate_txq(struct net_device *dev, u16 txq)
929{
930 if (txq == QETH_IQD_MCAST_TXQ)
931 return dev->num_tx_queues - 1;
932 if (txq == dev->num_tx_queues - 1)
933 return QETH_IQD_MCAST_TXQ;
934 return txq;
935}
936
937static inline bool qeth_iqd_is_mcast_queue(struct qeth_card *card,
938 struct qeth_qdio_out_q *queue)
939{
940 return qeth_iqd_translate_txq(card->dev, queue->queue_no) ==
941 QETH_IQD_MCAST_TXQ;
942}
943
944static inline void qeth_scrub_qdio_buffer(struct qdio_buffer *buf,
945 unsigned int elements)
946{
947 unsigned int i;
948
949 for (i = 0; i < elements; i++)
950 memset(&buf->element[i], 0, sizeof(struct qdio_buffer_element));
951 buf->element[14].sflags = 0;
952 buf->element[15].sflags = 0;
953}
954
955/**
956 * qeth_get_elements_for_range() - find number of SBALEs to cover range.
957 * @start: Start of the address range.
958 * @end: Address after the end of the range.
959 *
960 * Returns the number of pages, and thus QDIO buffer elements, needed to cover
961 * the specified address range.
962 */
963static inline int qeth_get_elements_for_range(addr_t start, addr_t end)
964{
965 return PFN_UP(end) - PFN_DOWN(start);
966}
967
968static inline int qeth_get_ether_cast_type(struct sk_buff *skb)
969{
970 u8 *addr = eth_hdr(skb)->h_dest;
971
972 if (is_multicast_ether_addr(addr))
973 return is_broadcast_ether_addr(addr) ? RTN_BROADCAST :
974 RTN_MULTICAST;
975 return RTN_UNICAST;
976}
977
978static inline struct dst_entry *qeth_dst_check_rcu(struct sk_buff *skb,
979 __be16 proto)
980{
981 struct dst_entry *dst = skb_dst(skb);
982 struct rt6_info *rt;
983
984 rt = (struct rt6_info *) dst;
985 if (dst) {
986 if (proto == htons(ETH_P_IPV6))
987 dst = dst_check(dst, rt6_get_cookie(rt));
988 else
989 dst = dst_check(dst, 0);
990 }
991
992 return dst;
993}
994
995static inline __be32 qeth_next_hop_v4_rcu(struct sk_buff *skb,
996 struct dst_entry *dst)
997{
998 struct rtable *rt = (struct rtable *) dst;
999
1000 return (rt) ? rt_nexthop(rt, ip_hdr(skb)->daddr) : ip_hdr(skb)->daddr;
1001}
1002
1003static inline struct in6_addr *qeth_next_hop_v6_rcu(struct sk_buff *skb,
1004 struct dst_entry *dst)
1005{
1006 struct rt6_info *rt = (struct rt6_info *) dst;
1007
1008 if (rt && !ipv6_addr_any(&rt->rt6i_gateway))
1009 return &rt->rt6i_gateway;
1010 else
1011 return &ipv6_hdr(skb)->daddr;
1012}
1013
1014static inline void qeth_tx_csum(struct sk_buff *skb, u8 *flags, __be16 proto)
1015{
1016 *flags |= QETH_HDR_EXT_CSUM_TRANSP_REQ;
1017 if ((proto == htons(ETH_P_IP) && ip_hdr(skb)->protocol == IPPROTO_UDP) ||
1018 (proto == htons(ETH_P_IPV6) && ipv6_hdr(skb)->nexthdr == IPPROTO_UDP))
1019 *flags |= QETH_HDR_EXT_UDP;
1020}
1021
1022static inline void qeth_put_buffer_pool_entry(struct qeth_card *card,
1023 struct qeth_buffer_pool_entry *entry)
1024{
1025 list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list);
1026}
1027
1028static inline int qeth_is_diagass_supported(struct qeth_card *card,
1029 enum qeth_diags_cmds cmd)
1030{
1031 return card->info.diagass_support & (__u32)cmd;
1032}
1033
1034int qeth_send_simple_setassparms_prot(struct qeth_card *card,
1035 enum qeth_ipa_funcs ipa_func,
1036 u16 cmd_code, u32 *data,
1037 enum qeth_prot_versions prot);
1038/* IPv4 variant */
1039static inline int qeth_send_simple_setassparms(struct qeth_card *card,
1040 enum qeth_ipa_funcs ipa_func,
1041 u16 cmd_code, u32 *data)
1042{
1043 return qeth_send_simple_setassparms_prot(card, ipa_func, cmd_code,
1044 data, QETH_PROT_IPV4);
1045}
1046
1047static inline int qeth_send_simple_setassparms_v6(struct qeth_card *card,
1048 enum qeth_ipa_funcs ipa_func,
1049 u16 cmd_code, u32 *data)
1050{
1051 return qeth_send_simple_setassparms_prot(card, ipa_func, cmd_code,
1052 data, QETH_PROT_IPV6);
1053}
1054
1055int qeth_get_priority_queue(struct qeth_card *card, struct sk_buff *skb);
1056
1057extern const struct qeth_discipline qeth_l2_discipline;
1058extern const struct qeth_discipline qeth_l3_discipline;
1059extern const struct ethtool_ops qeth_ethtool_ops;
1060extern const struct ethtool_ops qeth_osn_ethtool_ops;
1061extern const struct attribute_group *qeth_dev_groups[];
1062extern const struct attribute_group *qeth_osn_dev_groups[];
1063extern const struct device_type qeth_generic_devtype;
1064
1065const char *qeth_get_cardname_short(struct qeth_card *);
1066int qeth_resize_buffer_pool(struct qeth_card *card, unsigned int count);
1067int qeth_setup_discipline(struct qeth_card *card, enum qeth_discipline_id disc);
1068void qeth_remove_discipline(struct qeth_card *card);
1069
1070/* exports for qeth discipline device drivers */
1071extern struct kmem_cache *qeth_core_header_cache;
1072extern struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS];
1073
1074struct net_device *qeth_clone_netdev(struct net_device *orig);
1075struct qeth_card *qeth_get_card_by_busid(char *bus_id);
1076void qeth_set_allowed_threads(struct qeth_card *card, unsigned long threads,
1077 int clear_start_mask);
1078int qeth_threads_running(struct qeth_card *, unsigned long);
1079int qeth_set_offline(struct qeth_card *card, const struct qeth_discipline *disc,
1080 bool resetting);
1081
1082int qeth_send_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *,
1083 int (*reply_cb)
1084 (struct qeth_card *, struct qeth_reply *, unsigned long),
1085 void *);
1086struct qeth_cmd_buffer *qeth_ipa_alloc_cmd(struct qeth_card *card,
1087 enum qeth_ipa_cmds cmd_code,
1088 enum qeth_prot_versions prot,
1089 unsigned int data_length);
1090struct qeth_cmd_buffer *qeth_alloc_cmd(struct qeth_channel *channel,
1091 unsigned int length, unsigned int ccws,
1092 long timeout);
1093struct qeth_cmd_buffer *qeth_get_setassparms_cmd(struct qeth_card *card,
1094 enum qeth_ipa_funcs ipa_func,
1095 u16 cmd_code,
1096 unsigned int data_length,
1097 enum qeth_prot_versions prot);
1098struct qeth_cmd_buffer *qeth_get_diag_cmd(struct qeth_card *card,
1099 enum qeth_diags_cmds sub_cmd,
1100 unsigned int data_length);
1101void qeth_notify_cmd(struct qeth_cmd_buffer *iob, int reason);
1102void qeth_put_cmd(struct qeth_cmd_buffer *iob);
1103
1104int qeth_schedule_recovery(struct qeth_card *card);
1105int qeth_poll(struct napi_struct *napi, int budget);
1106void qeth_setadp_promisc_mode(struct qeth_card *card, bool enable);
1107int qeth_setadpparms_change_macaddr(struct qeth_card *);
1108void qeth_tx_timeout(struct net_device *, unsigned int txqueue);
1109void qeth_prepare_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
1110 u16 cmd_length,
1111 bool (*match)(struct qeth_cmd_buffer *iob,
1112 struct qeth_cmd_buffer *reply));
1113int qeth_query_switch_attributes(struct qeth_card *card,
1114 struct qeth_switch_info *sw_info);
1115int qeth_query_card_info(struct qeth_card *card,
1116 struct qeth_link_info *link_info);
1117int qeth_setadpparms_set_access_ctrl(struct qeth_card *card,
1118 enum qeth_ipa_isolation_modes mode);
1119
1120unsigned int qeth_count_elements(struct sk_buff *skb, unsigned int data_offset);
1121int qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue,
1122 struct sk_buff *skb, struct qeth_hdr *hdr,
1123 unsigned int offset, unsigned int hd_len,
1124 int elements_needed);
1125int qeth_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1126void qeth_dbf_longtext(debug_info_t *id, int level, char *text, ...);
1127int qeth_configure_cq(struct qeth_card *, enum qeth_cq);
1128int qeth_hw_trap(struct qeth_card *, enum qeth_diags_trap_action);
1129int qeth_setassparms_cb(struct qeth_card *, struct qeth_reply *, unsigned long);
1130int qeth_set_features(struct net_device *, netdev_features_t);
1131void qeth_enable_hw_features(struct net_device *dev);
1132netdev_features_t qeth_fix_features(struct net_device *, netdev_features_t);
1133netdev_features_t qeth_features_check(struct sk_buff *skb,
1134 struct net_device *dev,
1135 netdev_features_t features);
1136void qeth_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats);
1137int qeth_set_real_num_tx_queues(struct qeth_card *card, unsigned int count);
1138u16 qeth_iqd_select_queue(struct net_device *dev, struct sk_buff *skb,
1139 u8 cast_type, struct net_device *sb_dev);
1140int qeth_open(struct net_device *dev);
1141int qeth_stop(struct net_device *dev);
1142
1143int qeth_vm_request_mac(struct qeth_card *card);
1144int qeth_xmit(struct qeth_card *card, struct sk_buff *skb,
1145 struct qeth_qdio_out_q *queue, __be16 proto,
1146 void (*fill_header)(struct qeth_qdio_out_q *queue,
1147 struct qeth_hdr *hdr, struct sk_buff *skb,
1148 __be16 proto, unsigned int data_len));
1149
1150/* exports for OSN */
1151int qeth_osn_assist(struct net_device *, void *, int);
1152int qeth_osn_register(unsigned char *read_dev_no, struct net_device **,
1153 int (*assist_cb)(struct net_device *, void *),
1154 int (*data_cb)(struct sk_buff *));
1155void qeth_osn_deregister(struct net_device *);
1156
1157#endif /* __QETH_CORE_H__ */