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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 {
263 union {
264 struct qeth_hdr_layer2 l2;
265 struct qeth_hdr_layer3 l3;
266 } hdr;
267} __attribute__ ((packed));
268
269#define QETH_QIB_PQUE_ORDER_RR 0
270#define QETH_QIB_PQUE_UNITS_SBAL 2
271#define QETH_QIB_PQUE_PRIO_DEFAULT 4
272
273struct qeth_qib_parms {
274 char pcit_magic[4];
275 u32 pcit_a;
276 u32 pcit_b;
277 u32 pcit_c;
278 char blkt_magic[4];
279 u32 blkt_total;
280 u32 blkt_inter_packet;
281 u32 blkt_inter_packet_jumbo;
282 char pque_magic[4];
283 u8 pque_order;
284 u8 pque_units;
285 u16 reserved;
286 u32 pque_priority[4];
287};
288
289/*TCP Segmentation Offload header*/
290struct qeth_hdr_ext_tso {
291 __u16 hdr_tot_len;
292 __u8 imb_hdr_no;
293 __u8 reserved;
294 __u8 hdr_type;
295 __u8 hdr_version;
296 __u16 hdr_len;
297 __u32 payload_len;
298 __u16 mss;
299 __u16 dg_hdr_len;
300 __u8 padding[16];
301} __attribute__ ((packed));
302
303struct qeth_hdr_tso {
304 struct qeth_hdr hdr; /*hdr->hdr.l3.xxx*/
305 struct qeth_hdr_ext_tso ext;
306} __attribute__ ((packed));
307
308
309/* flags for qeth_hdr.flags */
310#define QETH_HDR_PASSTHRU 0x10
311#define QETH_HDR_IPV6 0x80
312#define QETH_HDR_CAST_MASK 0x07
313enum qeth_cast_flags {
314 QETH_CAST_UNICAST = 0x06,
315 QETH_CAST_MULTICAST = 0x04,
316 QETH_CAST_BROADCAST = 0x05,
317 QETH_CAST_ANYCAST = 0x07,
318 QETH_CAST_NOCAST = 0x00,
319};
320
321enum qeth_layer2_frame_flags {
322 QETH_LAYER2_FLAG_MULTICAST = 0x01,
323 QETH_LAYER2_FLAG_BROADCAST = 0x02,
324 QETH_LAYER2_FLAG_UNICAST = 0x04,
325 QETH_LAYER2_FLAG_VLAN = 0x10,
326};
327
328enum qeth_header_ids {
329 QETH_HEADER_TYPE_LAYER3 = 0x01,
330 QETH_HEADER_TYPE_LAYER2 = 0x02,
331 QETH_HEADER_TYPE_L3_TSO = 0x03,
332 QETH_HEADER_TYPE_L2_TSO = 0x06,
333 QETH_HEADER_MASK_INVAL = 0x80,
334};
335/* flags for qeth_hdr.ext_flags */
336#define QETH_HDR_EXT_VLAN_FRAME 0x01
337#define QETH_HDR_EXT_TOKEN_ID 0x02
338#define QETH_HDR_EXT_INCLUDE_VLAN_TAG 0x04
339#define QETH_HDR_EXT_SRC_MAC_ADDR 0x08
340#define QETH_HDR_EXT_CSUM_HDR_REQ 0x10
341#define QETH_HDR_EXT_CSUM_TRANSP_REQ 0x20
342#define QETH_HDR_EXT_UDP 0x40 /*bit off for TCP*/
343
344static inline bool qeth_l2_same_vlan(struct qeth_hdr_layer2 *h1,
345 struct qeth_hdr_layer2 *h2)
346{
347 return !((h1->flags[2] ^ h2->flags[2]) & QETH_LAYER2_FLAG_VLAN) &&
348 h1->vlan_id == h2->vlan_id;
349}
350
351static inline bool qeth_l3_iqd_same_vlan(struct qeth_hdr_layer3 *h1,
352 struct qeth_hdr_layer3 *h2)
353{
354 return !((h1->ext_flags ^ h2->ext_flags) & QETH_HDR_EXT_VLAN_FRAME) &&
355 h1->vlan_id == h2->vlan_id;
356}
357
358static inline bool qeth_l3_same_next_hop(struct qeth_hdr_layer3 *h1,
359 struct qeth_hdr_layer3 *h2)
360{
361 return !((h1->flags ^ h2->flags) & QETH_HDR_IPV6) &&
362 ipv6_addr_equal(&h1->next_hop.addr, &h2->next_hop.addr);
363}
364
365struct qeth_local_addr {
366 struct hlist_node hnode;
367 struct rcu_head rcu;
368 struct in6_addr addr;
369};
370
371enum qeth_qdio_info_states {
372 QETH_QDIO_UNINITIALIZED,
373 QETH_QDIO_ALLOCATED,
374 QETH_QDIO_ESTABLISHED,
375 QETH_QDIO_CLEANING
376};
377
378struct qeth_buffer_pool_entry {
379 struct list_head list;
380 struct list_head init_list;
381 struct page *elements[QDIO_MAX_ELEMENTS_PER_BUFFER];
382};
383
384struct qeth_qdio_buffer_pool {
385 struct list_head entry_list;
386 int buf_count;
387};
388
389struct qeth_qdio_buffer {
390 struct qdio_buffer *buffer;
391 /* the buffer pool entry currently associated to this buffer */
392 struct qeth_buffer_pool_entry *pool_entry;
393 struct sk_buff *rx_skb;
394};
395
396struct qeth_qdio_q {
397 struct qdio_buffer *qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
398 struct qeth_qdio_buffer bufs[QDIO_MAX_BUFFERS_PER_Q];
399 int next_buf_to_init;
400};
401
402enum qeth_qdio_out_buffer_state {
403 /* Owned by driver, in order to be filled. */
404 QETH_QDIO_BUF_EMPTY,
405 /* Filled by driver; owned by hardware in order to be sent. */
406 QETH_QDIO_BUF_PRIMED,
407};
408
409enum qeth_qaob_state {
410 QETH_QAOB_ISSUED,
411 QETH_QAOB_PENDING,
412 QETH_QAOB_DONE,
413};
414
415struct qeth_qaob_priv1 {
416 unsigned int state;
417 u8 queue_no;
418};
419
420struct qeth_qdio_out_buffer {
421 struct qdio_buffer *buffer;
422 atomic_t state;
423 int next_element_to_fill;
424 unsigned int frames;
425 unsigned int bytes;
426 struct sk_buff_head skb_list;
427 DECLARE_BITMAP(from_kmem_cache, QDIO_MAX_ELEMENTS_PER_BUFFER);
428
429 struct list_head list_entry;
430 struct qaob *aob;
431};
432
433struct qeth_card;
434
435#define QETH_CARD_STAT_ADD(_c, _stat, _val) ((_c)->stats._stat += (_val))
436#define QETH_CARD_STAT_INC(_c, _stat) QETH_CARD_STAT_ADD(_c, _stat, 1)
437
438#define QETH_TXQ_STAT_ADD(_q, _stat, _val) ((_q)->stats._stat += (_val))
439#define QETH_TXQ_STAT_INC(_q, _stat) QETH_TXQ_STAT_ADD(_q, _stat, 1)
440
441struct qeth_card_stats {
442 u64 rx_bufs;
443 u64 rx_skb_csum;
444 u64 rx_sg_skbs;
445 u64 rx_sg_frags;
446 u64 rx_sg_alloc_page;
447
448 u64 rx_dropped_nomem;
449 u64 rx_dropped_notsupp;
450 u64 rx_dropped_runt;
451
452 /* rtnl_link_stats64 */
453 u64 rx_packets;
454 u64 rx_bytes;
455 u64 rx_multicast;
456 u64 rx_length_errors;
457 u64 rx_frame_errors;
458 u64 rx_fifo_errors;
459};
460
461struct qeth_out_q_stats {
462 u64 bufs;
463 u64 bufs_pack;
464 u64 buf_elements;
465 u64 skbs_pack;
466 u64 skbs_sg;
467 u64 skbs_csum;
468 u64 skbs_tso;
469 u64 skbs_linearized;
470 u64 skbs_linearized_fail;
471 u64 tso_bytes;
472 u64 packing_mode_switch;
473 u64 stopped;
474 u64 doorbell;
475 u64 coal_frames;
476 u64 completion_irq;
477 u64 completion_yield;
478 u64 completion_timer;
479
480 /* rtnl_link_stats64 */
481 u64 tx_packets;
482 u64 tx_bytes;
483 u64 tx_errors;
484 u64 tx_dropped;
485};
486
487#define QETH_TX_MAX_COALESCED_FRAMES 1
488#define QETH_TX_COALESCE_USECS 25
489#define QETH_TX_TIMER_USECS 500
490
491struct qeth_qdio_out_q {
492 struct qdio_buffer *qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
493 struct qeth_qdio_out_buffer *bufs[QDIO_MAX_BUFFERS_PER_Q];
494 struct list_head pending_bufs;
495 struct qeth_out_q_stats stats;
496 spinlock_t lock;
497 unsigned int priority;
498 u8 next_buf_to_fill;
499 u8 max_elements;
500 u8 queue_no;
501 u8 do_pack;
502 struct qeth_card *card;
503 /*
504 * number of buffers that are currently filled (PRIMED)
505 * -> these buffers are hardware-owned
506 */
507 atomic_t used_buffers;
508 /* indicates whether PCI flag must be set (or if one is outstanding) */
509 atomic_t set_pci_flags_count;
510 struct napi_struct napi;
511 struct timer_list timer;
512 struct qeth_hdr *prev_hdr;
513 unsigned int coalesced_frames;
514 u8 bulk_start;
515 u8 bulk_count;
516 u8 bulk_max;
517
518 unsigned int coalesce_usecs;
519 unsigned int max_coalesced_frames;
520 unsigned int rescan_usecs;
521};
522
523#define qeth_for_each_output_queue(card, q, i) \
524 for (i = 0; i < card->qdio.no_out_queues && \
525 (q = card->qdio.out_qs[i]); i++)
526
527#define qeth_napi_to_out_queue(n) container_of(n, struct qeth_qdio_out_q, napi)
528
529static inline void qeth_tx_arm_timer(struct qeth_qdio_out_q *queue,
530 unsigned long usecs)
531{
532 timer_reduce(&queue->timer, usecs_to_jiffies(usecs) + jiffies);
533}
534
535static inline bool qeth_out_queue_is_full(struct qeth_qdio_out_q *queue)
536{
537 return atomic_read(&queue->used_buffers) >= QDIO_MAX_BUFFERS_PER_Q;
538}
539
540static inline bool qeth_out_queue_is_empty(struct qeth_qdio_out_q *queue)
541{
542 return atomic_read(&queue->used_buffers) == 0;
543}
544
545struct qeth_qdio_info {
546 atomic_t state;
547 /* input */
548 struct qeth_qdio_q *in_q;
549 struct qeth_qdio_q *c_q;
550 struct qeth_qdio_buffer_pool in_buf_pool;
551 struct qeth_qdio_buffer_pool init_pool;
552 int in_buf_size;
553
554 /* output */
555 unsigned int no_out_queues;
556 struct qeth_qdio_out_q *out_qs[QETH_MAX_OUT_QUEUES];
557
558 /* priority queueing */
559 int do_prio_queueing;
560 int default_out_queue;
561};
562
563/**
564 * channel state machine
565 */
566enum qeth_channel_states {
567 CH_STATE_UP,
568 CH_STATE_DOWN,
569 CH_STATE_HALTED,
570 CH_STATE_STOPPED,
571};
572/**
573 * card state machine
574 */
575enum qeth_card_states {
576 CARD_STATE_DOWN,
577 CARD_STATE_SOFTSETUP,
578};
579
580/**
581 * Protocol versions
582 */
583enum qeth_prot_versions {
584 QETH_PROT_NONE = 0x0000,
585 QETH_PROT_IPV4 = 0x0004,
586 QETH_PROT_IPV6 = 0x0006,
587};
588
589enum qeth_cq {
590 QETH_CQ_DISABLED = 0,
591 QETH_CQ_ENABLED = 1,
592 QETH_CQ_NOTAVAILABLE = 2,
593};
594
595struct qeth_ipato {
596 bool enabled;
597 bool invert4;
598 bool invert6;
599 struct list_head entries;
600};
601
602struct qeth_channel {
603 struct ccw_device *ccwdev;
604 struct qeth_cmd_buffer *active_cmd;
605 enum qeth_channel_states state;
606};
607
608struct qeth_reply {
609 int (*callback)(struct qeth_card *card, struct qeth_reply *reply,
610 unsigned long data);
611 void *param;
612};
613
614struct qeth_cmd_buffer {
615 struct list_head list_entry;
616 struct completion done;
617 spinlock_t lock;
618 unsigned int length;
619 refcount_t ref_count;
620 struct qeth_channel *channel;
621 struct qeth_reply reply;
622 long timeout;
623 unsigned char *data;
624 void (*finalize)(struct qeth_card *card, struct qeth_cmd_buffer *iob);
625 bool (*match)(struct qeth_cmd_buffer *iob,
626 struct qeth_cmd_buffer *reply);
627 void (*callback)(struct qeth_card *card, struct qeth_cmd_buffer *iob,
628 unsigned int data_length);
629 int rc;
630};
631
632static inline void qeth_get_cmd(struct qeth_cmd_buffer *iob)
633{
634 refcount_inc(&iob->ref_count);
635}
636
637static inline struct qeth_ipa_cmd *__ipa_reply(struct qeth_cmd_buffer *iob)
638{
639 if (!IS_IPA(iob->data))
640 return NULL;
641
642 return (struct qeth_ipa_cmd *) PDU_ENCAPSULATION(iob->data);
643}
644
645static inline struct qeth_ipa_cmd *__ipa_cmd(struct qeth_cmd_buffer *iob)
646{
647 return (struct qeth_ipa_cmd *)(iob->data + IPA_PDU_HEADER_SIZE);
648}
649
650static inline struct ccw1 *__ccw_from_cmd(struct qeth_cmd_buffer *iob)
651{
652 return (struct ccw1 *)(iob->data + ALIGN(iob->length, 8));
653}
654
655/**
656 * OSA card related definitions
657 */
658struct qeth_token {
659 __u32 issuer_rm_w;
660 __u32 issuer_rm_r;
661 __u32 cm_filter_w;
662 __u32 cm_filter_r;
663 __u32 cm_connection_w;
664 __u32 cm_connection_r;
665 __u32 ulp_filter_w;
666 __u32 ulp_filter_r;
667 __u32 ulp_connection_w;
668 __u32 ulp_connection_r;
669};
670
671struct qeth_seqno {
672 __u32 trans_hdr;
673 __u32 pdu_hdr;
674 __u32 pdu_hdr_ack;
675 __u16 ipa;
676};
677
678struct qeth_card_blkt {
679 int time_total;
680 int inter_packet;
681 int inter_packet_jumbo;
682};
683
684enum qeth_pnso_mode {
685 QETH_PNSO_NONE,
686 QETH_PNSO_BRIDGEPORT,
687 QETH_PNSO_ADDR_INFO,
688};
689
690enum qeth_link_mode {
691 QETH_LINK_MODE_UNKNOWN,
692 QETH_LINK_MODE_FIBRE_SHORT,
693 QETH_LINK_MODE_FIBRE_LONG,
694};
695
696struct qeth_link_info {
697 u32 speed;
698 u8 duplex;
699 u8 port;
700 enum qeth_link_mode link_mode;
701};
702
703#define QETH_BROADCAST_WITH_ECHO 0x01
704#define QETH_BROADCAST_WITHOUT_ECHO 0x02
705struct qeth_card_info {
706 unsigned short unit_addr2;
707 unsigned short cula;
708 __u16 func_level;
709 char mcl_level[QETH_MCL_LENGTH + 1];
710 /* doubleword below corresponds to net_if_token */
711 u16 ddev_devno;
712 u8 cssid;
713 u8 iid;
714 u8 ssid;
715 u8 chpid;
716 u16 chid;
717 u8 ids_valid:1; /* cssid,iid,chid */
718 u8 dev_addr_is_registered:1;
719 u8 promisc_mode:1;
720 u8 use_v1_blkt:1;
721 u8 is_vm_nic:1;
722 /* no bitfield, we take a pointer on these two: */
723 u8 has_lp2lp_cso_v6;
724 u8 has_lp2lp_cso_v4;
725 enum qeth_pnso_mode pnso_mode;
726 enum qeth_card_types type;
727 enum qeth_link_types link_type;
728 int broadcast_capable;
729 bool layer_enforced;
730 struct qeth_card_blkt blkt;
731 __u32 diagass_support;
732 __u32 hwtrap;
733 struct qeth_link_info link_info;
734};
735
736enum qeth_discipline_id {
737 QETH_DISCIPLINE_UNDETERMINED = -1,
738 QETH_DISCIPLINE_LAYER3 = 0,
739 QETH_DISCIPLINE_LAYER2 = 1,
740};
741
742struct qeth_card_options {
743 struct qeth_ipa_caps ipa4;
744 struct qeth_ipa_caps ipa6;
745 struct qeth_routing_info route4;
746 struct qeth_routing_info route6;
747 struct qeth_ipa_caps adp; /* Adapter parameters */
748 struct qeth_sbp_info sbp; /* SETBRIDGEPORT options */
749 struct qeth_vnicc_info vnicc; /* VNICC options */
750 enum qeth_discipline_id layer;
751 enum qeth_ipa_isolation_modes isolation;
752 int sniffer;
753 enum qeth_cq cq;
754 char hsuid[9];
755};
756
757#define IS_LAYER2(card) ((card)->options.layer == QETH_DISCIPLINE_LAYER2)
758#define IS_LAYER3(card) ((card)->options.layer == QETH_DISCIPLINE_LAYER3)
759
760/*
761 * thread bits for qeth_card thread masks
762 */
763enum qeth_threads {
764 QETH_RECOVER_THREAD = 1,
765};
766
767struct qeth_discipline {
768 int (*setup) (struct ccwgroup_device *);
769 void (*remove) (struct ccwgroup_device *);
770 int (*set_online)(struct qeth_card *card, bool carrier_ok);
771 void (*set_offline)(struct qeth_card *card);
772 int (*control_event_handler)(struct qeth_card *card,
773 struct qeth_ipa_cmd *cmd);
774};
775
776enum qeth_addr_disposition {
777 QETH_DISP_ADDR_DELETE = 0,
778 QETH_DISP_ADDR_DO_NOTHING = 1,
779 QETH_DISP_ADDR_ADD = 2,
780};
781
782struct qeth_rx {
783 int b_count;
784 int b_index;
785 u8 buf_element;
786 int e_offset;
787 int qdio_err;
788 u8 bufs_refill;
789};
790
791struct qeth_switch_info {
792 __u32 capabilities;
793 __u32 settings;
794};
795
796struct qeth_priv {
797 unsigned int rx_copybreak;
798 unsigned int tx_wanted_queues;
799 u32 brport_hw_features;
800 u32 brport_features;
801};
802
803struct qeth_card {
804 enum qeth_card_states state;
805 spinlock_t lock;
806 struct ccwgroup_device *gdev;
807 struct qeth_cmd_buffer *read_cmd;
808 struct qeth_channel read;
809 struct qeth_channel write;
810 struct qeth_channel data;
811
812 struct net_device *dev;
813 struct dentry *debugfs;
814 struct qeth_card_stats stats;
815 struct qeth_card_info info;
816 struct qeth_token token;
817 struct qeth_seqno seqno;
818 struct qeth_card_options options;
819
820 struct workqueue_struct *event_wq;
821 struct workqueue_struct *cmd_wq;
822 wait_queue_head_t wait_q;
823
824 struct mutex ip_lock;
825 /* protected by ip_lock: */
826 DECLARE_HASHTABLE(ip_htable, 4);
827 struct qeth_ipato ipato;
828
829 DECLARE_HASHTABLE(local_addrs4, 4);
830 DECLARE_HASHTABLE(local_addrs6, 4);
831 spinlock_t local_addrs4_lock;
832 spinlock_t local_addrs6_lock;
833 DECLARE_HASHTABLE(rx_mode_addrs, 4);
834 struct work_struct rx_mode_work;
835 struct work_struct kernel_thread_starter;
836 spinlock_t thread_mask_lock;
837 unsigned long thread_start_mask;
838 unsigned long thread_allowed_mask;
839 unsigned long thread_running_mask;
840 struct list_head cmd_waiter_list;
841 /* QDIO buffer handling */
842 struct qeth_qdio_info qdio;
843 int read_or_write_problem;
844 const struct qeth_discipline *discipline;
845 atomic_t force_alloc_skb;
846 struct service_level qeth_service_level;
847 struct qdio_ssqd_desc ssqd;
848 debug_info_t *debug;
849 struct mutex sbp_lock;
850 struct mutex conf_mutex;
851 struct mutex discipline_mutex;
852 struct napi_struct napi;
853 struct qeth_rx rx;
854 struct delayed_work buffer_reclaim_work;
855};
856
857static inline bool qeth_card_hw_is_reachable(struct qeth_card *card)
858{
859 return card->state == CARD_STATE_SOFTSETUP;
860}
861
862static inline bool qeth_use_tx_irqs(struct qeth_card *card)
863{
864 return !IS_IQD(card);
865}
866
867static inline void qeth_unlock_channel(struct qeth_card *card,
868 struct qeth_channel *channel)
869{
870 xchg(&channel->active_cmd, NULL);
871 wake_up(&card->wait_q);
872}
873
874static inline bool qeth_trylock_channel(struct qeth_channel *channel,
875 struct qeth_cmd_buffer *cmd)
876{
877 return cmpxchg(&channel->active_cmd, NULL, cmd) == NULL;
878}
879
880struct qeth_trap_id {
881 __u16 lparnr;
882 char vmname[8];
883 __u8 chpid;
884 __u8 ssid;
885 __u16 devno;
886} __packed;
887
888static inline bool qeth_uses_tx_prio_queueing(struct qeth_card *card)
889{
890 return card->qdio.do_prio_queueing != QETH_NO_PRIO_QUEUEING;
891}
892
893static inline unsigned int qeth_tx_actual_queues(struct qeth_card *card)
894{
895 struct qeth_priv *priv = netdev_priv(card->dev);
896
897 if (qeth_uses_tx_prio_queueing(card))
898 return min(card->dev->num_tx_queues, card->qdio.no_out_queues);
899
900 return min(priv->tx_wanted_queues, card->qdio.no_out_queues);
901}
902
903static inline u16 qeth_iqd_translate_txq(struct net_device *dev, u16 txq)
904{
905 if (txq == QETH_IQD_MCAST_TXQ)
906 return dev->num_tx_queues - 1;
907 if (txq == dev->num_tx_queues - 1)
908 return QETH_IQD_MCAST_TXQ;
909 return txq;
910}
911
912static inline bool qeth_iqd_is_mcast_queue(struct qeth_card *card,
913 struct qeth_qdio_out_q *queue)
914{
915 return qeth_iqd_translate_txq(card->dev, queue->queue_no) ==
916 QETH_IQD_MCAST_TXQ;
917}
918
919static inline void qeth_scrub_qdio_buffer(struct qdio_buffer *buf,
920 unsigned int elements)
921{
922 unsigned int i;
923
924 for (i = 0; i < elements; i++)
925 memset(&buf->element[i], 0, sizeof(struct qdio_buffer_element));
926 buf->element[14].sflags = 0;
927 buf->element[15].sflags = 0;
928}
929
930/**
931 * qeth_get_elements_for_range() - find number of SBALEs to cover range.
932 * @start: Start of the address range.
933 * @end: Address after the end of the range.
934 *
935 * Returns the number of pages, and thus QDIO buffer elements, needed to cover
936 * the specified address range.
937 */
938static inline int qeth_get_elements_for_range(addr_t start, addr_t end)
939{
940 return PFN_UP(end) - PFN_DOWN(start);
941}
942
943static inline int qeth_get_ether_cast_type(struct sk_buff *skb)
944{
945 u8 *addr = eth_hdr(skb)->h_dest;
946
947 if (is_multicast_ether_addr(addr))
948 return is_broadcast_ether_addr(addr) ? RTN_BROADCAST :
949 RTN_MULTICAST;
950 return RTN_UNICAST;
951}
952
953static inline struct dst_entry *qeth_dst_check_rcu(struct sk_buff *skb,
954 __be16 proto)
955{
956 struct dst_entry *dst = skb_dst(skb);
957 struct rt6_info *rt;
958
959 rt = dst_rt6_info(dst);
960 if (dst) {
961 if (proto == htons(ETH_P_IPV6))
962 dst = dst_check(dst, rt6_get_cookie(rt));
963 else
964 dst = dst_check(dst, 0);
965 }
966
967 return dst;
968}
969
970static inline __be32 qeth_next_hop_v4_rcu(struct sk_buff *skb,
971 struct dst_entry *dst)
972{
973 return (dst) ? rt_nexthop(dst_rtable(dst), ip_hdr(skb)->daddr) :
974 ip_hdr(skb)->daddr;
975}
976
977static inline struct in6_addr *qeth_next_hop_v6_rcu(struct sk_buff *skb,
978 struct dst_entry *dst)
979{
980 struct rt6_info *rt = dst_rt6_info(dst);
981
982 if (rt && !ipv6_addr_any(&rt->rt6i_gateway))
983 return &rt->rt6i_gateway;
984 else
985 return &ipv6_hdr(skb)->daddr;
986}
987
988static inline void qeth_tx_csum(struct sk_buff *skb, u8 *flags, __be16 proto)
989{
990 *flags |= QETH_HDR_EXT_CSUM_TRANSP_REQ;
991 if ((proto == htons(ETH_P_IP) && ip_hdr(skb)->protocol == IPPROTO_UDP) ||
992 (proto == htons(ETH_P_IPV6) && ipv6_hdr(skb)->nexthdr == IPPROTO_UDP))
993 *flags |= QETH_HDR_EXT_UDP;
994}
995
996static inline void qeth_put_buffer_pool_entry(struct qeth_card *card,
997 struct qeth_buffer_pool_entry *entry)
998{
999 list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list);
1000}
1001
1002static inline int qeth_is_diagass_supported(struct qeth_card *card,
1003 enum qeth_diags_cmds cmd)
1004{
1005 return card->info.diagass_support & (__u32)cmd;
1006}
1007
1008int qeth_send_simple_setassparms_prot(struct qeth_card *card,
1009 enum qeth_ipa_funcs ipa_func,
1010 u16 cmd_code, u32 *data,
1011 enum qeth_prot_versions prot);
1012/* IPv4 variant */
1013static inline int qeth_send_simple_setassparms(struct qeth_card *card,
1014 enum qeth_ipa_funcs ipa_func,
1015 u16 cmd_code, u32 *data)
1016{
1017 return qeth_send_simple_setassparms_prot(card, ipa_func, cmd_code,
1018 data, QETH_PROT_IPV4);
1019}
1020
1021static inline int qeth_send_simple_setassparms_v6(struct qeth_card *card,
1022 enum qeth_ipa_funcs ipa_func,
1023 u16 cmd_code, u32 *data)
1024{
1025 return qeth_send_simple_setassparms_prot(card, ipa_func, cmd_code,
1026 data, QETH_PROT_IPV6);
1027}
1028
1029extern const struct qeth_discipline qeth_l2_discipline;
1030extern const struct qeth_discipline qeth_l3_discipline;
1031extern const struct ethtool_ops qeth_ethtool_ops;
1032extern const struct attribute_group *qeth_dev_groups[];
1033
1034const char *qeth_get_cardname_short(struct qeth_card *);
1035int qeth_resize_buffer_pool(struct qeth_card *card, unsigned int count);
1036int qeth_setup_discipline(struct qeth_card *card, enum qeth_discipline_id disc);
1037void qeth_remove_discipline(struct qeth_card *card);
1038
1039/* exports for qeth discipline device drivers */
1040extern struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS];
1041
1042struct net_device *qeth_clone_netdev(struct net_device *orig);
1043void qeth_set_allowed_threads(struct qeth_card *card, unsigned long threads,
1044 int clear_start_mask);
1045int qeth_threads_running(struct qeth_card *, unsigned long);
1046int qeth_set_offline(struct qeth_card *card, const struct qeth_discipline *disc,
1047 bool resetting);
1048
1049int qeth_send_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *,
1050 int (*reply_cb)
1051 (struct qeth_card *, struct qeth_reply *, unsigned long),
1052 void *);
1053struct qeth_cmd_buffer *qeth_ipa_alloc_cmd(struct qeth_card *card,
1054 enum qeth_ipa_cmds cmd_code,
1055 enum qeth_prot_versions prot,
1056 unsigned int data_length);
1057struct qeth_cmd_buffer *qeth_get_setassparms_cmd(struct qeth_card *card,
1058 enum qeth_ipa_funcs ipa_func,
1059 u16 cmd_code,
1060 unsigned int data_length,
1061 enum qeth_prot_versions prot);
1062struct qeth_cmd_buffer *qeth_get_diag_cmd(struct qeth_card *card,
1063 enum qeth_diags_cmds sub_cmd,
1064 unsigned int data_length);
1065
1066int qeth_schedule_recovery(struct qeth_card *card);
1067int qeth_poll(struct napi_struct *napi, int budget);
1068void qeth_setadp_promisc_mode(struct qeth_card *card, bool enable);
1069int qeth_setadpparms_change_macaddr(struct qeth_card *);
1070void qeth_tx_timeout(struct net_device *, unsigned int txqueue);
1071int qeth_query_switch_attributes(struct qeth_card *card,
1072 struct qeth_switch_info *sw_info);
1073int qeth_query_card_info(struct qeth_card *card,
1074 struct qeth_link_info *link_info);
1075int qeth_setadpparms_set_access_ctrl(struct qeth_card *card,
1076 enum qeth_ipa_isolation_modes mode);
1077
1078int qeth_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1079int qeth_siocdevprivate(struct net_device *dev, struct ifreq *rq,
1080 void __user *data, int cmd);
1081__printf(3, 4)
1082void qeth_dbf_longtext(debug_info_t *id, int level, char *text, ...);
1083int qeth_configure_cq(struct qeth_card *, enum qeth_cq);
1084int qeth_hw_trap(struct qeth_card *, enum qeth_diags_trap_action);
1085int qeth_setassparms_cb(struct qeth_card *, struct qeth_reply *, unsigned long);
1086int qeth_set_features(struct net_device *, netdev_features_t);
1087void qeth_enable_hw_features(struct net_device *dev);
1088netdev_features_t qeth_fix_features(struct net_device *, netdev_features_t);
1089netdev_features_t qeth_features_check(struct sk_buff *skb,
1090 struct net_device *dev,
1091 netdev_features_t features);
1092void qeth_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats);
1093int qeth_set_real_num_tx_queues(struct qeth_card *card, unsigned int count);
1094u16 qeth_iqd_select_queue(struct net_device *dev, struct sk_buff *skb,
1095 u8 cast_type, struct net_device *sb_dev);
1096u16 qeth_osa_select_queue(struct net_device *dev, struct sk_buff *skb,
1097 struct net_device *sb_dev);
1098int qeth_open(struct net_device *dev);
1099int qeth_stop(struct net_device *dev);
1100
1101int qeth_vm_request_mac(struct qeth_card *card);
1102int qeth_xmit(struct qeth_card *card, struct sk_buff *skb,
1103 struct qeth_qdio_out_q *queue, __be16 proto,
1104 void (*fill_header)(struct qeth_qdio_out_q *queue,
1105 struct qeth_hdr *hdr, struct sk_buff *skb,
1106 __be16 proto, unsigned int data_len));
1107
1108#endif /* __QETH_CORE_H__ */
1/*
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>
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#include <linux/hashtable.h>
22#include <linux/ip.h>
23
24#include <net/ipv6.h>
25#include <net/if_inet6.h>
26#include <net/addrconf.h>
27
28#include <asm/debug.h>
29#include <asm/qdio.h>
30#include <asm/ccwdev.h>
31#include <asm/ccwgroup.h>
32#include <asm/sysinfo.h>
33
34#include "qeth_core_mpc.h"
35
36/**
37 * Debug Facility stuff
38 */
39enum qeth_dbf_names {
40 QETH_DBF_SETUP,
41 QETH_DBF_MSG,
42 QETH_DBF_CTRL,
43 QETH_DBF_INFOS /* must be last element */
44};
45
46struct qeth_dbf_info {
47 char name[DEBUG_MAX_NAME_LEN];
48 int pages;
49 int areas;
50 int len;
51 int level;
52 struct debug_view *view;
53 debug_info_t *id;
54};
55
56#define QETH_DBF_CTRL_LEN 256
57
58#define QETH_DBF_TEXT(name, level, text) \
59 debug_text_event(qeth_dbf[QETH_DBF_##name].id, level, text)
60
61#define QETH_DBF_HEX(name, level, addr, len) \
62 debug_event(qeth_dbf[QETH_DBF_##name].id, level, (void *)(addr), len)
63
64#define QETH_DBF_MESSAGE(level, text...) \
65 debug_sprintf_event(qeth_dbf[QETH_DBF_MSG].id, level, text)
66
67#define QETH_DBF_TEXT_(name, level, text...) \
68 qeth_dbf_longtext(qeth_dbf[QETH_DBF_##name].id, level, text)
69
70#define QETH_CARD_TEXT(card, level, text) \
71 debug_text_event(card->debug, level, text)
72
73#define QETH_CARD_HEX(card, level, addr, len) \
74 debug_event(card->debug, level, (void *)(addr), len)
75
76#define QETH_CARD_MESSAGE(card, text...) \
77 debug_sprintf_event(card->debug, level, text)
78
79#define QETH_CARD_TEXT_(card, level, text...) \
80 qeth_dbf_longtext(card->debug, level, text)
81
82#define SENSE_COMMAND_REJECT_BYTE 0
83#define SENSE_COMMAND_REJECT_FLAG 0x80
84#define SENSE_RESETTING_EVENT_BYTE 1
85#define SENSE_RESETTING_EVENT_FLAG 0x80
86
87/*
88 * Common IO related definitions
89 */
90#define CARD_RDEV(card) card->read.ccwdev
91#define CARD_WDEV(card) card->write.ccwdev
92#define CARD_DDEV(card) card->data.ccwdev
93#define CARD_BUS_ID(card) dev_name(&card->gdev->dev)
94#define CARD_RDEV_ID(card) dev_name(&card->read.ccwdev->dev)
95#define CARD_WDEV_ID(card) dev_name(&card->write.ccwdev->dev)
96#define CARD_DDEV_ID(card) dev_name(&card->data.ccwdev->dev)
97#define CHANNEL_ID(channel) dev_name(&channel->ccwdev->dev)
98
99/**
100 * card stuff
101 */
102struct qeth_perf_stats {
103 unsigned int bufs_rec;
104 unsigned int bufs_sent;
105
106 unsigned int skbs_sent_pack;
107 unsigned int bufs_sent_pack;
108
109 unsigned int sc_dp_p;
110 unsigned int sc_p_dp;
111 /* qdio_cq_handler: number of times called, time spent in */
112 __u64 cq_start_time;
113 unsigned int cq_cnt;
114 unsigned int cq_time;
115 /* qdio_input_handler: number of times called, time spent in */
116 __u64 inbound_start_time;
117 unsigned int inbound_cnt;
118 unsigned int inbound_time;
119 /* qeth_send_packet: number of times called, time spent in */
120 __u64 outbound_start_time;
121 unsigned int outbound_cnt;
122 unsigned int outbound_time;
123 /* qdio_output_handler: number of times called, time spent in */
124 __u64 outbound_handler_start_time;
125 unsigned int outbound_handler_cnt;
126 unsigned int outbound_handler_time;
127 /* number of calls to and time spent in do_QDIO for inbound queue */
128 __u64 inbound_do_qdio_start_time;
129 unsigned int inbound_do_qdio_cnt;
130 unsigned int inbound_do_qdio_time;
131 /* number of calls to and time spent in do_QDIO for outbound queues */
132 __u64 outbound_do_qdio_start_time;
133 unsigned int outbound_do_qdio_cnt;
134 unsigned int outbound_do_qdio_time;
135 unsigned int large_send_bytes;
136 unsigned int large_send_cnt;
137 unsigned int sg_skbs_sent;
138 unsigned int sg_frags_sent;
139 /* initial values when measuring starts */
140 unsigned long initial_rx_packets;
141 unsigned long initial_tx_packets;
142 /* inbound scatter gather data */
143 unsigned int sg_skbs_rx;
144 unsigned int sg_frags_rx;
145 unsigned int sg_alloc_page_rx;
146 unsigned int tx_csum;
147 unsigned int tx_lin;
148 unsigned int tx_linfail;
149};
150
151/* Routing stuff */
152struct qeth_routing_info {
153 enum qeth_routing_types type;
154};
155
156/* IPA stuff */
157struct qeth_ipa_info {
158 __u32 supported_funcs;
159 __u32 enabled_funcs;
160};
161
162/* SETBRIDGEPORT stuff */
163enum qeth_sbp_roles {
164 QETH_SBP_ROLE_NONE = 0,
165 QETH_SBP_ROLE_PRIMARY = 1,
166 QETH_SBP_ROLE_SECONDARY = 2,
167};
168
169enum qeth_sbp_states {
170 QETH_SBP_STATE_INACTIVE = 0,
171 QETH_SBP_STATE_STANDBY = 1,
172 QETH_SBP_STATE_ACTIVE = 2,
173};
174
175#define QETH_SBP_HOST_NOTIFICATION 1
176
177struct qeth_sbp_info {
178 __u32 supported_funcs;
179 enum qeth_sbp_roles role;
180 __u32 hostnotification:1;
181 __u32 reflect_promisc:1;
182 __u32 reflect_promisc_primary:1;
183};
184
185static inline int qeth_is_ipa_supported(struct qeth_ipa_info *ipa,
186 enum qeth_ipa_funcs func)
187{
188 return (ipa->supported_funcs & func);
189}
190
191static inline int qeth_is_ipa_enabled(struct qeth_ipa_info *ipa,
192 enum qeth_ipa_funcs func)
193{
194 return (ipa->supported_funcs & ipa->enabled_funcs & func);
195}
196
197#define qeth_adp_supported(c, f) \
198 qeth_is_ipa_supported(&c->options.adp, f)
199#define qeth_adp_enabled(c, f) \
200 qeth_is_ipa_enabled(&c->options.adp, f)
201#define qeth_is_supported(c, f) \
202 qeth_is_ipa_supported(&c->options.ipa4, f)
203#define qeth_is_enabled(c, f) \
204 qeth_is_ipa_enabled(&c->options.ipa4, f)
205#define qeth_is_supported6(c, f) \
206 qeth_is_ipa_supported(&c->options.ipa6, f)
207#define qeth_is_enabled6(c, f) \
208 qeth_is_ipa_enabled(&c->options.ipa6, f)
209#define qeth_is_ipafunc_supported(c, prot, f) \
210 ((prot == QETH_PROT_IPV6) ? \
211 qeth_is_supported6(c, f) : qeth_is_supported(c, f))
212#define qeth_is_ipafunc_enabled(c, prot, f) \
213 ((prot == QETH_PROT_IPV6) ? \
214 qeth_is_enabled6(c, f) : qeth_is_enabled(c, f))
215
216#define QETH_IDX_FUNC_LEVEL_OSD 0x0101
217#define QETH_IDX_FUNC_LEVEL_IQD 0x4108
218
219#define QETH_MODELLIST_ARRAY \
220 {{0x1731, 0x01, 0x1732, QETH_CARD_TYPE_OSD, QETH_MAX_QUEUES, 0}, \
221 {0x1731, 0x05, 0x1732, QETH_CARD_TYPE_IQD, QETH_MAX_QUEUES, 0x103}, \
222 {0x1731, 0x06, 0x1732, QETH_CARD_TYPE_OSN, QETH_MAX_QUEUES, 0}, \
223 {0x1731, 0x02, 0x1732, QETH_CARD_TYPE_OSM, QETH_MAX_QUEUES, 0}, \
224 {0x1731, 0x02, 0x1732, QETH_CARD_TYPE_OSX, QETH_MAX_QUEUES, 0}, \
225 {0, 0, 0, 0, 0, 0} }
226#define QETH_CU_TYPE_IND 0
227#define QETH_CU_MODEL_IND 1
228#define QETH_DEV_TYPE_IND 2
229#define QETH_DEV_MODEL_IND 3
230#define QETH_QUEUE_NO_IND 4
231#define QETH_MULTICAST_IND 5
232
233#define QETH_REAL_CARD 1
234#define QETH_VLAN_CARD 2
235#define QETH_BUFSIZE 4096
236
237/**
238 * some more defs
239 */
240#define QETH_TX_TIMEOUT 100 * HZ
241#define QETH_RCD_TIMEOUT 60 * HZ
242#define QETH_RECLAIM_WORK_TIME HZ
243#define QETH_HEADER_SIZE 32
244#define QETH_MAX_PORTNO 15
245
246/*IPv6 address autoconfiguration stuff*/
247#define UNIQUE_ID_IF_CREATE_ADDR_FAILED 0xfffe
248#define UNIQUE_ID_NOT_BY_CARD 0x10000
249
250/*****************************************************************************/
251/* QDIO queue and buffer handling */
252/*****************************************************************************/
253#define QETH_MAX_QUEUES 4
254#define QETH_IN_BUF_SIZE_DEFAULT 65536
255#define QETH_IN_BUF_COUNT_DEFAULT 64
256#define QETH_IN_BUF_COUNT_HSDEFAULT 128
257#define QETH_IN_BUF_COUNT_MIN 8
258#define QETH_IN_BUF_COUNT_MAX 128
259#define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12)
260#define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \
261 ((card)->qdio.in_buf_pool.buf_count / 2)
262
263/* buffers we have to be behind before we get a PCI */
264#define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1)
265/*enqueued free buffers left before we get a PCI*/
266#define QETH_PCI_THRESHOLD_B(card) 0
267/*not used unless the microcode gets patched*/
268#define QETH_PCI_TIMER_VALUE(card) 3
269
270/* priority queing */
271#define QETH_PRIOQ_DEFAULT QETH_NO_PRIO_QUEUEING
272#define QETH_DEFAULT_QUEUE 2
273#define QETH_NO_PRIO_QUEUEING 0
274#define QETH_PRIO_Q_ING_PREC 1
275#define QETH_PRIO_Q_ING_TOS 2
276#define QETH_PRIO_Q_ING_SKB 3
277#define QETH_PRIO_Q_ING_VLAN 4
278
279/* Packing */
280#define QETH_LOW_WATERMARK_PACK 2
281#define QETH_HIGH_WATERMARK_PACK 5
282#define QETH_WATERMARK_PACK_FUZZ 1
283
284#define QETH_IP_HEADER_SIZE 40
285
286/* large receive scatter gather copy break */
287#define QETH_RX_SG_CB (PAGE_SIZE >> 1)
288#define QETH_RX_PULL_LEN 256
289
290struct qeth_hdr_layer3 {
291 __u8 id;
292 __u8 flags;
293 __u16 inbound_checksum; /*TSO:__u16 seqno */
294 __u32 token; /*TSO: __u32 reserved */
295 __u16 length;
296 __u8 vlan_prio;
297 __u8 ext_flags;
298 __u16 vlan_id;
299 __u16 frame_offset;
300 __u8 dest_addr[16];
301} __attribute__ ((packed));
302
303struct qeth_hdr_layer2 {
304 __u8 id;
305 __u8 flags[3];
306 __u8 port_no;
307 __u8 hdr_length;
308 __u16 pkt_length;
309 __u16 seq_no;
310 __u16 vlan_id;
311 __u32 reserved;
312 __u8 reserved2[16];
313} __attribute__ ((packed));
314
315struct qeth_hdr_osn {
316 __u8 id;
317 __u8 reserved;
318 __u16 seq_no;
319 __u16 reserved2;
320 __u16 control_flags;
321 __u16 pdu_length;
322 __u8 reserved3[18];
323 __u32 ccid;
324} __attribute__ ((packed));
325
326struct qeth_hdr {
327 union {
328 struct qeth_hdr_layer2 l2;
329 struct qeth_hdr_layer3 l3;
330 struct qeth_hdr_osn osn;
331 } hdr;
332} __attribute__ ((packed));
333
334/*TCP Segmentation Offload header*/
335struct qeth_hdr_ext_tso {
336 __u16 hdr_tot_len;
337 __u8 imb_hdr_no;
338 __u8 reserved;
339 __u8 hdr_type;
340 __u8 hdr_version;
341 __u16 hdr_len;
342 __u32 payload_len;
343 __u16 mss;
344 __u16 dg_hdr_len;
345 __u8 padding[16];
346} __attribute__ ((packed));
347
348struct qeth_hdr_tso {
349 struct qeth_hdr hdr; /*hdr->hdr.l3.xxx*/
350 struct qeth_hdr_ext_tso ext;
351} __attribute__ ((packed));
352
353
354/* flags for qeth_hdr.flags */
355#define QETH_HDR_PASSTHRU 0x10
356#define QETH_HDR_IPV6 0x80
357#define QETH_HDR_CAST_MASK 0x07
358enum qeth_cast_flags {
359 QETH_CAST_UNICAST = 0x06,
360 QETH_CAST_MULTICAST = 0x04,
361 QETH_CAST_BROADCAST = 0x05,
362 QETH_CAST_ANYCAST = 0x07,
363 QETH_CAST_NOCAST = 0x00,
364};
365
366enum qeth_layer2_frame_flags {
367 QETH_LAYER2_FLAG_MULTICAST = 0x01,
368 QETH_LAYER2_FLAG_BROADCAST = 0x02,
369 QETH_LAYER2_FLAG_UNICAST = 0x04,
370 QETH_LAYER2_FLAG_VLAN = 0x10,
371};
372
373enum qeth_header_ids {
374 QETH_HEADER_TYPE_LAYER3 = 0x01,
375 QETH_HEADER_TYPE_LAYER2 = 0x02,
376 QETH_HEADER_TYPE_TSO = 0x03,
377 QETH_HEADER_TYPE_OSN = 0x04,
378};
379/* flags for qeth_hdr.ext_flags */
380#define QETH_HDR_EXT_VLAN_FRAME 0x01
381#define QETH_HDR_EXT_TOKEN_ID 0x02
382#define QETH_HDR_EXT_INCLUDE_VLAN_TAG 0x04
383#define QETH_HDR_EXT_SRC_MAC_ADDR 0x08
384#define QETH_HDR_EXT_CSUM_HDR_REQ 0x10
385#define QETH_HDR_EXT_CSUM_TRANSP_REQ 0x20
386#define QETH_HDR_EXT_UDP 0x40 /*bit off for TCP*/
387
388enum qeth_qdio_buffer_states {
389 /*
390 * inbound: read out by driver; owned by hardware in order to be filled
391 * outbound: owned by driver in order to be filled
392 */
393 QETH_QDIO_BUF_EMPTY,
394 /*
395 * inbound: filled by hardware; owned by driver in order to be read out
396 * outbound: filled by driver; owned by hardware in order to be sent
397 */
398 QETH_QDIO_BUF_PRIMED,
399 /*
400 * inbound: not applicable
401 * outbound: identified to be pending in TPQ
402 */
403 QETH_QDIO_BUF_PENDING,
404 /*
405 * inbound: not applicable
406 * outbound: found in completion queue
407 */
408 QETH_QDIO_BUF_IN_CQ,
409 /*
410 * inbound: not applicable
411 * outbound: handled via transfer pending / completion queue
412 */
413 QETH_QDIO_BUF_HANDLED_DELAYED,
414};
415
416enum qeth_qdio_info_states {
417 QETH_QDIO_UNINITIALIZED,
418 QETH_QDIO_ALLOCATED,
419 QETH_QDIO_ESTABLISHED,
420 QETH_QDIO_CLEANING
421};
422
423struct qeth_buffer_pool_entry {
424 struct list_head list;
425 struct list_head init_list;
426 void *elements[QDIO_MAX_ELEMENTS_PER_BUFFER];
427};
428
429struct qeth_qdio_buffer_pool {
430 struct list_head entry_list;
431 int buf_count;
432};
433
434struct qeth_qdio_buffer {
435 struct qdio_buffer *buffer;
436 /* the buffer pool entry currently associated to this buffer */
437 struct qeth_buffer_pool_entry *pool_entry;
438 struct sk_buff *rx_skb;
439};
440
441struct qeth_qdio_q {
442 struct qdio_buffer *qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
443 struct qeth_qdio_buffer bufs[QDIO_MAX_BUFFERS_PER_Q];
444 int next_buf_to_init;
445};
446
447struct qeth_qdio_out_buffer {
448 struct qdio_buffer *buffer;
449 atomic_t state;
450 int next_element_to_fill;
451 struct sk_buff_head skb_list;
452 int is_header[16];
453
454 struct qaob *aob;
455 struct qeth_qdio_out_q *q;
456 struct qeth_qdio_out_buffer *next_pending;
457};
458
459struct qeth_card;
460
461enum qeth_out_q_states {
462 QETH_OUT_Q_UNLOCKED,
463 QETH_OUT_Q_LOCKED,
464 QETH_OUT_Q_LOCKED_FLUSH,
465};
466
467struct qeth_qdio_out_q {
468 struct qdio_buffer *qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
469 struct qeth_qdio_out_buffer *bufs[QDIO_MAX_BUFFERS_PER_Q];
470 struct qdio_outbuf_state *bufstates; /* convenience pointer */
471 int queue_no;
472 struct qeth_card *card;
473 atomic_t state;
474 int do_pack;
475 /*
476 * index of buffer to be filled by driver; state EMPTY or PACKING
477 */
478 int next_buf_to_fill;
479 /*
480 * number of buffers that are currently filled (PRIMED)
481 * -> these buffers are hardware-owned
482 */
483 atomic_t used_buffers;
484 /* indicates whether PCI flag must be set (or if one is outstanding) */
485 atomic_t set_pci_flags_count;
486};
487
488struct qeth_qdio_info {
489 atomic_t state;
490 /* input */
491 int no_in_queues;
492 struct qeth_qdio_q *in_q;
493 struct qeth_qdio_q *c_q;
494 struct qeth_qdio_buffer_pool in_buf_pool;
495 struct qeth_qdio_buffer_pool init_pool;
496 int in_buf_size;
497
498 /* output */
499 int no_out_queues;
500 struct qeth_qdio_out_q **out_qs;
501 struct qdio_outbuf_state *out_bufstates;
502
503 /* priority queueing */
504 int do_prio_queueing;
505 int default_out_queue;
506};
507
508enum qeth_send_errors {
509 QETH_SEND_ERROR_NONE,
510 QETH_SEND_ERROR_LINK_FAILURE,
511 QETH_SEND_ERROR_RETRY,
512 QETH_SEND_ERROR_KICK_IT,
513};
514
515#define QETH_ETH_MAC_V4 0x0100 /* like v4 */
516#define QETH_ETH_MAC_V6 0x3333 /* like v6 */
517/* tr mc mac is longer, but that will be enough to detect mc frames */
518#define QETH_TR_MAC_NC 0xc000 /* non-canonical */
519#define QETH_TR_MAC_C 0x0300 /* canonical */
520
521#define DEFAULT_ADD_HHLEN 0
522#define MAX_ADD_HHLEN 1024
523
524/**
525 * buffer stuff for read channel
526 */
527#define QETH_CMD_BUFFER_NO 8
528
529/**
530 * channel state machine
531 */
532enum qeth_channel_states {
533 CH_STATE_UP,
534 CH_STATE_DOWN,
535 CH_STATE_ACTIVATING,
536 CH_STATE_HALTED,
537 CH_STATE_STOPPED,
538 CH_STATE_RCD,
539 CH_STATE_RCD_DONE,
540};
541/**
542 * card state machine
543 */
544enum qeth_card_states {
545 CARD_STATE_DOWN,
546 CARD_STATE_HARDSETUP,
547 CARD_STATE_SOFTSETUP,
548 CARD_STATE_UP,
549 CARD_STATE_RECOVER,
550};
551
552/**
553 * Protocol versions
554 */
555enum qeth_prot_versions {
556 QETH_PROT_IPV4 = 0x0004,
557 QETH_PROT_IPV6 = 0x0006,
558};
559
560enum qeth_ip_types {
561 QETH_IP_TYPE_NORMAL,
562 QETH_IP_TYPE_VIPA,
563 QETH_IP_TYPE_RXIP,
564};
565
566enum qeth_cmd_buffer_state {
567 BUF_STATE_FREE,
568 BUF_STATE_LOCKED,
569 BUF_STATE_PROCESSED,
570};
571
572enum qeth_cq {
573 QETH_CQ_DISABLED = 0,
574 QETH_CQ_ENABLED = 1,
575 QETH_CQ_NOTAVAILABLE = 2,
576};
577
578struct qeth_ipato {
579 int enabled;
580 int invert4;
581 int invert6;
582 struct list_head entries;
583};
584
585struct qeth_channel;
586
587struct qeth_cmd_buffer {
588 enum qeth_cmd_buffer_state state;
589 struct qeth_channel *channel;
590 unsigned char *data;
591 int rc;
592 void (*callback) (struct qeth_channel *, struct qeth_cmd_buffer *);
593};
594
595/**
596 * definition of a qeth channel, used for read and write
597 */
598struct qeth_channel {
599 enum qeth_channel_states state;
600 struct ccw1 ccw;
601 spinlock_t iob_lock;
602 wait_queue_head_t wait_q;
603 struct ccw_device *ccwdev;
604/*command buffer for control data*/
605 struct qeth_cmd_buffer iob[QETH_CMD_BUFFER_NO];
606 atomic_t irq_pending;
607 int io_buf_no;
608 int buf_no;
609};
610
611/**
612 * OSA card related definitions
613 */
614struct qeth_token {
615 __u32 issuer_rm_w;
616 __u32 issuer_rm_r;
617 __u32 cm_filter_w;
618 __u32 cm_filter_r;
619 __u32 cm_connection_w;
620 __u32 cm_connection_r;
621 __u32 ulp_filter_w;
622 __u32 ulp_filter_r;
623 __u32 ulp_connection_w;
624 __u32 ulp_connection_r;
625};
626
627struct qeth_seqno {
628 __u32 trans_hdr;
629 __u32 pdu_hdr;
630 __u32 pdu_hdr_ack;
631 __u16 ipa;
632 __u32 pkt_seqno;
633};
634
635struct qeth_reply {
636 struct list_head list;
637 wait_queue_head_t wait_q;
638 int (*callback)(struct qeth_card *, struct qeth_reply *,
639 unsigned long);
640 u32 seqno;
641 unsigned long offset;
642 atomic_t received;
643 int rc;
644 void *param;
645 struct qeth_card *card;
646 atomic_t refcnt;
647};
648
649
650struct qeth_card_blkt {
651 int time_total;
652 int inter_packet;
653 int inter_packet_jumbo;
654};
655
656#define QETH_BROADCAST_WITH_ECHO 0x01
657#define QETH_BROADCAST_WITHOUT_ECHO 0x02
658#define QETH_LAYER2_MAC_READ 0x01
659#define QETH_LAYER2_MAC_REGISTERED 0x02
660struct qeth_card_info {
661 unsigned short unit_addr2;
662 unsigned short cula;
663 unsigned short chpid;
664 __u16 func_level;
665 char mcl_level[QETH_MCL_LENGTH + 1];
666 int guestlan;
667 int mac_bits;
668 int portno;
669 enum qeth_card_types type;
670 enum qeth_link_types link_type;
671 int is_multicast_different;
672 int initial_mtu;
673 int max_mtu;
674 int broadcast_capable;
675 int unique_id;
676 struct qeth_card_blkt blkt;
677 __u32 csum_mask;
678 __u32 tx_csum_mask;
679 enum qeth_ipa_promisc_modes promisc_mode;
680 __u32 diagass_support;
681 __u32 hwtrap;
682};
683
684struct qeth_card_options {
685 struct qeth_routing_info route4;
686 struct qeth_ipa_info ipa4;
687 struct qeth_ipa_info adp; /*Adapter parameters*/
688 struct qeth_routing_info route6;
689 struct qeth_ipa_info ipa6;
690 struct qeth_sbp_info sbp; /* SETBRIDGEPORT options */
691 int fake_broadcast;
692 int add_hhlen;
693 int layer2;
694 int performance_stats;
695 int rx_sg_cb;
696 enum qeth_ipa_isolation_modes isolation;
697 enum qeth_ipa_isolation_modes prev_isolation;
698 int sniffer;
699 enum qeth_cq cq;
700 char hsuid[9];
701};
702
703/*
704 * thread bits for qeth_card thread masks
705 */
706enum qeth_threads {
707 QETH_RECOVER_THREAD = 1,
708};
709
710struct qeth_osn_info {
711 int (*assist_cb)(struct net_device *dev, void *data);
712 int (*data_cb)(struct sk_buff *skb);
713};
714
715enum qeth_discipline_id {
716 QETH_DISCIPLINE_LAYER3 = 0,
717 QETH_DISCIPLINE_LAYER2 = 1,
718};
719
720struct qeth_discipline {
721 void (*start_poll)(struct ccw_device *, int, unsigned long);
722 qdio_handler_t *input_handler;
723 qdio_handler_t *output_handler;
724 int (*recover)(void *ptr);
725 int (*setup) (struct ccwgroup_device *);
726 void (*remove) (struct ccwgroup_device *);
727 int (*set_online) (struct ccwgroup_device *);
728 int (*set_offline) (struct ccwgroup_device *);
729 void (*shutdown)(struct ccwgroup_device *);
730 int (*prepare) (struct ccwgroup_device *);
731 void (*complete) (struct ccwgroup_device *);
732 int (*freeze)(struct ccwgroup_device *);
733 int (*thaw) (struct ccwgroup_device *);
734 int (*restore)(struct ccwgroup_device *);
735 int (*control_event_handler)(struct qeth_card *card,
736 struct qeth_ipa_cmd *cmd);
737};
738
739struct qeth_vlan_vid {
740 struct list_head list;
741 unsigned short vid;
742};
743
744enum qeth_addr_disposition {
745 QETH_DISP_ADDR_DELETE = 0,
746 QETH_DISP_ADDR_DO_NOTHING = 1,
747 QETH_DISP_ADDR_ADD = 2,
748};
749
750struct qeth_rx {
751 int b_count;
752 int b_index;
753 struct qdio_buffer_element *b_element;
754 int e_offset;
755 int qdio_err;
756};
757
758struct carrier_info {
759 __u8 card_type;
760 __u16 port_mode;
761 __u32 port_speed;
762};
763
764struct qeth_switch_info {
765 __u32 capabilities;
766 __u32 settings;
767};
768
769#define QETH_NAPI_WEIGHT NAPI_POLL_WEIGHT
770
771struct qeth_card {
772 struct list_head list;
773 enum qeth_card_states state;
774 int lan_online;
775 spinlock_t lock;
776 struct ccwgroup_device *gdev;
777 struct qeth_channel read;
778 struct qeth_channel write;
779 struct qeth_channel data;
780
781 struct net_device *dev;
782 struct net_device_stats stats;
783
784 struct qeth_card_info info;
785 struct qeth_token token;
786 struct qeth_seqno seqno;
787 struct qeth_card_options options;
788
789 wait_queue_head_t wait_q;
790 spinlock_t vlanlock;
791 spinlock_t mclock;
792 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
793 struct list_head vid_list;
794 DECLARE_HASHTABLE(mac_htable, 4);
795 DECLARE_HASHTABLE(ip_htable, 4);
796 DECLARE_HASHTABLE(ip_mc_htable, 4);
797 struct work_struct kernel_thread_starter;
798 spinlock_t thread_mask_lock;
799 unsigned long thread_start_mask;
800 unsigned long thread_allowed_mask;
801 unsigned long thread_running_mask;
802 struct task_struct *recovery_task;
803 spinlock_t ip_lock;
804 struct qeth_ipato ipato;
805 struct list_head cmd_waiter_list;
806 /* QDIO buffer handling */
807 struct qeth_qdio_info qdio;
808 struct qeth_perf_stats perf_stats;
809 int read_or_write_problem;
810 struct qeth_osn_info osn_info;
811 struct qeth_discipline *discipline;
812 atomic_t force_alloc_skb;
813 struct service_level qeth_service_level;
814 struct qdio_ssqd_desc ssqd;
815 debug_info_t *debug;
816 struct mutex conf_mutex;
817 struct mutex discipline_mutex;
818 struct napi_struct napi;
819 struct qeth_rx rx;
820 struct delayed_work buffer_reclaim_work;
821 int reclaim_index;
822 struct work_struct close_dev_work;
823};
824
825struct qeth_card_list_struct {
826 struct list_head list;
827 rwlock_t rwlock;
828};
829
830struct qeth_trap_id {
831 __u16 lparnr;
832 char vmname[8];
833 __u8 chpid;
834 __u8 ssid;
835 __u16 devno;
836} __packed;
837
838/*some helper functions*/
839#define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "")
840
841/**
842 * qeth_get_elements_for_range() - find number of SBALEs to cover range.
843 * @start: Start of the address range.
844 * @end: Address after the end of the range.
845 *
846 * Returns the number of pages, and thus QDIO buffer elements, needed to cover
847 * the specified address range.
848 */
849static inline int qeth_get_elements_for_range(addr_t start, addr_t end)
850{
851 return PFN_UP(end - 1) - PFN_DOWN(start);
852}
853
854static inline int qeth_get_micros(void)
855{
856 return (int) (get_tod_clock() >> 12);
857}
858
859static inline int qeth_get_ip_version(struct sk_buff *skb)
860{
861 __be16 *p = &((struct ethhdr *)skb->data)->h_proto;
862
863 if (*p == ETH_P_8021Q)
864 p += 2;
865 switch (*p) {
866 case ETH_P_IPV6:
867 return 6;
868 case ETH_P_IP:
869 return 4;
870 default:
871 return 0;
872 }
873}
874
875static inline int qeth_get_ip_protocol(struct sk_buff *skb)
876{
877 return ip_hdr(skb)->protocol;
878}
879
880static inline void qeth_put_buffer_pool_entry(struct qeth_card *card,
881 struct qeth_buffer_pool_entry *entry)
882{
883 list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list);
884}
885
886static inline int qeth_is_diagass_supported(struct qeth_card *card,
887 enum qeth_diags_cmds cmd)
888{
889 return card->info.diagass_support & (__u32)cmd;
890}
891
892extern struct qeth_discipline qeth_l2_discipline;
893extern struct qeth_discipline qeth_l3_discipline;
894extern const struct attribute_group *qeth_generic_attr_groups[];
895extern const struct attribute_group *qeth_osn_attr_groups[];
896extern struct workqueue_struct *qeth_wq;
897
898int qeth_card_hw_is_reachable(struct qeth_card *);
899const char *qeth_get_cardname_short(struct qeth_card *);
900int qeth_realloc_buffer_pool(struct qeth_card *, int);
901int qeth_core_load_discipline(struct qeth_card *, enum qeth_discipline_id);
902void qeth_core_free_discipline(struct qeth_card *);
903
904/* exports for qeth discipline device drivers */
905extern struct qeth_card_list_struct qeth_core_card_list;
906extern struct kmem_cache *qeth_core_header_cache;
907extern struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS];
908
909void qeth_set_recovery_task(struct qeth_card *);
910void qeth_clear_recovery_task(struct qeth_card *);
911void qeth_set_allowed_threads(struct qeth_card *, unsigned long , int);
912int qeth_threads_running(struct qeth_card *, unsigned long);
913int qeth_wait_for_threads(struct qeth_card *, unsigned long);
914int qeth_do_run_thread(struct qeth_card *, unsigned long);
915void qeth_clear_thread_start_bit(struct qeth_card *, unsigned long);
916void qeth_clear_thread_running_bit(struct qeth_card *, unsigned long);
917int qeth_core_hardsetup_card(struct qeth_card *);
918void qeth_print_status_message(struct qeth_card *);
919int qeth_init_qdio_queues(struct qeth_card *);
920int qeth_send_startlan(struct qeth_card *);
921int qeth_send_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *,
922 int (*reply_cb)
923 (struct qeth_card *, struct qeth_reply *, unsigned long),
924 void *);
925struct qeth_cmd_buffer *qeth_get_ipacmd_buffer(struct qeth_card *,
926 enum qeth_ipa_cmds, enum qeth_prot_versions);
927int qeth_query_setadapterparms(struct qeth_card *);
928int qeth_check_qdio_errors(struct qeth_card *, struct qdio_buffer *,
929 unsigned int, const char *);
930void qeth_queue_input_buffer(struct qeth_card *, int);
931struct sk_buff *qeth_core_get_next_skb(struct qeth_card *,
932 struct qeth_qdio_buffer *, struct qdio_buffer_element **, int *,
933 struct qeth_hdr **);
934void qeth_schedule_recovery(struct qeth_card *);
935void qeth_qdio_start_poll(struct ccw_device *, int, unsigned long);
936void qeth_qdio_input_handler(struct ccw_device *,
937 unsigned int, unsigned int, int,
938 int, unsigned long);
939void qeth_qdio_output_handler(struct ccw_device *, unsigned int,
940 int, int, int, unsigned long);
941void qeth_clear_ipacmd_list(struct qeth_card *);
942int qeth_qdio_clear_card(struct qeth_card *, int);
943void qeth_clear_working_pool_list(struct qeth_card *);
944void qeth_clear_cmd_buffers(struct qeth_channel *);
945void qeth_clear_qdio_buffers(struct qeth_card *);
946void qeth_setadp_promisc_mode(struct qeth_card *);
947struct net_device_stats *qeth_get_stats(struct net_device *);
948int qeth_change_mtu(struct net_device *, int);
949int qeth_setadpparms_change_macaddr(struct qeth_card *);
950void qeth_tx_timeout(struct net_device *);
951void qeth_prepare_control_data(struct qeth_card *, int,
952 struct qeth_cmd_buffer *);
953void qeth_release_buffer(struct qeth_channel *, struct qeth_cmd_buffer *);
954void qeth_prepare_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, char);
955struct qeth_cmd_buffer *qeth_wait_for_buffer(struct qeth_channel *);
956int qeth_mdio_read(struct net_device *, int, int);
957int qeth_snmp_command(struct qeth_card *, char __user *);
958int qeth_query_oat_command(struct qeth_card *, char __user *);
959int qeth_query_switch_attributes(struct qeth_card *card,
960 struct qeth_switch_info *sw_info);
961int qeth_send_control_data(struct qeth_card *, int, struct qeth_cmd_buffer *,
962 int (*reply_cb)(struct qeth_card *, struct qeth_reply*, unsigned long),
963 void *reply_param);
964int qeth_bridgeport_query_ports(struct qeth_card *card,
965 enum qeth_sbp_roles *role, enum qeth_sbp_states *state);
966int qeth_bridgeport_setrole(struct qeth_card *card, enum qeth_sbp_roles role);
967int qeth_bridgeport_an_set(struct qeth_card *card, int enable);
968int qeth_get_priority_queue(struct qeth_card *, struct sk_buff *, int, int);
969int qeth_get_elements_no(struct qeth_card *, struct sk_buff *, int);
970int qeth_get_elements_for_frags(struct sk_buff *);
971int qeth_do_send_packet_fast(struct qeth_card *, struct qeth_qdio_out_q *,
972 struct sk_buff *, struct qeth_hdr *, int, int, int);
973int qeth_do_send_packet(struct qeth_card *, struct qeth_qdio_out_q *,
974 struct sk_buff *, struct qeth_hdr *, int);
975int qeth_core_get_sset_count(struct net_device *, int);
976void qeth_core_get_ethtool_stats(struct net_device *,
977 struct ethtool_stats *, u64 *);
978void qeth_core_get_strings(struct net_device *, u32, u8 *);
979void qeth_core_get_drvinfo(struct net_device *, struct ethtool_drvinfo *);
980void qeth_dbf_longtext(debug_info_t *id, int level, char *text, ...);
981int qeth_core_ethtool_get_settings(struct net_device *, struct ethtool_cmd *);
982int qeth_set_access_ctrl_online(struct qeth_card *card, int fallback);
983int qeth_hdr_chk_and_bounce(struct sk_buff *, struct qeth_hdr **, int);
984int qeth_configure_cq(struct qeth_card *, enum qeth_cq);
985int qeth_hw_trap(struct qeth_card *, enum qeth_diags_trap_action);
986int qeth_query_ipassists(struct qeth_card *, enum qeth_prot_versions prot);
987void qeth_trace_features(struct qeth_card *);
988void qeth_close_dev(struct qeth_card *);
989int qeth_send_simple_setassparms(struct qeth_card *, enum qeth_ipa_funcs,
990 __u16, long);
991int qeth_send_setassparms(struct qeth_card *, struct qeth_cmd_buffer *, __u16,
992 long,
993 int (*reply_cb)(struct qeth_card *,
994 struct qeth_reply *, unsigned long),
995 void *);
996int qeth_setassparms_cb(struct qeth_card *, struct qeth_reply *, unsigned long);
997struct qeth_cmd_buffer *qeth_get_setassparms_cmd(struct qeth_card *,
998 enum qeth_ipa_funcs,
999 __u16, __u16,
1000 enum qeth_prot_versions);
1001int qeth_set_features(struct net_device *, netdev_features_t);
1002int qeth_recover_features(struct net_device *);
1003netdev_features_t qeth_fix_features(struct net_device *, netdev_features_t);
1004
1005/* exports for OSN */
1006int qeth_osn_assist(struct net_device *, void *, int);
1007int qeth_osn_register(unsigned char *read_dev_no, struct net_device **,
1008 int (*assist_cb)(struct net_device *, void *),
1009 int (*data_cb)(struct sk_buff *));
1010void qeth_osn_deregister(struct net_device *);
1011
1012#endif /* __QETH_CORE_H__ */