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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 = (struct 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 struct rtable *rt = (struct rtable *) dst;
974
975 return (rt) ? rt_nexthop(rt, ip_hdr(skb)->daddr) : ip_hdr(skb)->daddr;
976}
977
978static inline struct in6_addr *qeth_next_hop_v6_rcu(struct sk_buff *skb,
979 struct dst_entry *dst)
980{
981 struct rt6_info *rt = (struct rt6_info *) dst;
982
983 if (rt && !ipv6_addr_any(&rt->rt6i_gateway))
984 return &rt->rt6i_gateway;
985 else
986 return &ipv6_hdr(skb)->daddr;
987}
988
989static inline void qeth_tx_csum(struct sk_buff *skb, u8 *flags, __be16 proto)
990{
991 *flags |= QETH_HDR_EXT_CSUM_TRANSP_REQ;
992 if ((proto == htons(ETH_P_IP) && ip_hdr(skb)->protocol == IPPROTO_UDP) ||
993 (proto == htons(ETH_P_IPV6) && ipv6_hdr(skb)->nexthdr == IPPROTO_UDP))
994 *flags |= QETH_HDR_EXT_UDP;
995}
996
997static inline void qeth_put_buffer_pool_entry(struct qeth_card *card,
998 struct qeth_buffer_pool_entry *entry)
999{
1000 list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list);
1001}
1002
1003static inline int qeth_is_diagass_supported(struct qeth_card *card,
1004 enum qeth_diags_cmds cmd)
1005{
1006 return card->info.diagass_support & (__u32)cmd;
1007}
1008
1009int qeth_send_simple_setassparms_prot(struct qeth_card *card,
1010 enum qeth_ipa_funcs ipa_func,
1011 u16 cmd_code, u32 *data,
1012 enum qeth_prot_versions prot);
1013/* IPv4 variant */
1014static inline int qeth_send_simple_setassparms(struct qeth_card *card,
1015 enum qeth_ipa_funcs ipa_func,
1016 u16 cmd_code, u32 *data)
1017{
1018 return qeth_send_simple_setassparms_prot(card, ipa_func, cmd_code,
1019 data, QETH_PROT_IPV4);
1020}
1021
1022static inline int qeth_send_simple_setassparms_v6(struct qeth_card *card,
1023 enum qeth_ipa_funcs ipa_func,
1024 u16 cmd_code, u32 *data)
1025{
1026 return qeth_send_simple_setassparms_prot(card, ipa_func, cmd_code,
1027 data, QETH_PROT_IPV6);
1028}
1029
1030extern const struct qeth_discipline qeth_l2_discipline;
1031extern const struct qeth_discipline qeth_l3_discipline;
1032extern const struct ethtool_ops qeth_ethtool_ops;
1033extern const struct attribute_group *qeth_dev_groups[];
1034
1035const char *qeth_get_cardname_short(struct qeth_card *);
1036int qeth_resize_buffer_pool(struct qeth_card *card, unsigned int count);
1037int qeth_setup_discipline(struct qeth_card *card, enum qeth_discipline_id disc);
1038void qeth_remove_discipline(struct qeth_card *card);
1039
1040/* exports for qeth discipline device drivers */
1041extern struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS];
1042
1043struct net_device *qeth_clone_netdev(struct net_device *orig);
1044void qeth_set_allowed_threads(struct qeth_card *card, unsigned long threads,
1045 int clear_start_mask);
1046int qeth_threads_running(struct qeth_card *, unsigned long);
1047int qeth_set_offline(struct qeth_card *card, const struct qeth_discipline *disc,
1048 bool resetting);
1049
1050int qeth_send_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *,
1051 int (*reply_cb)
1052 (struct qeth_card *, struct qeth_reply *, unsigned long),
1053 void *);
1054struct qeth_cmd_buffer *qeth_ipa_alloc_cmd(struct qeth_card *card,
1055 enum qeth_ipa_cmds cmd_code,
1056 enum qeth_prot_versions prot,
1057 unsigned int data_length);
1058struct qeth_cmd_buffer *qeth_get_setassparms_cmd(struct qeth_card *card,
1059 enum qeth_ipa_funcs ipa_func,
1060 u16 cmd_code,
1061 unsigned int data_length,
1062 enum qeth_prot_versions prot);
1063struct qeth_cmd_buffer *qeth_get_diag_cmd(struct qeth_card *card,
1064 enum qeth_diags_cmds sub_cmd,
1065 unsigned int data_length);
1066
1067int qeth_schedule_recovery(struct qeth_card *card);
1068int qeth_poll(struct napi_struct *napi, int budget);
1069void qeth_setadp_promisc_mode(struct qeth_card *card, bool enable);
1070int qeth_setadpparms_change_macaddr(struct qeth_card *);
1071void qeth_tx_timeout(struct net_device *, unsigned int txqueue);
1072int qeth_query_switch_attributes(struct qeth_card *card,
1073 struct qeth_switch_info *sw_info);
1074int qeth_query_card_info(struct qeth_card *card,
1075 struct qeth_link_info *link_info);
1076int qeth_setadpparms_set_access_ctrl(struct qeth_card *card,
1077 enum qeth_ipa_isolation_modes mode);
1078
1079int qeth_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1080int qeth_siocdevprivate(struct net_device *dev, struct ifreq *rq,
1081 void __user *data, int cmd);
1082__printf(3, 4)
1083void qeth_dbf_longtext(debug_info_t *id, int level, char *text, ...);
1084int qeth_configure_cq(struct qeth_card *, enum qeth_cq);
1085int qeth_hw_trap(struct qeth_card *, enum qeth_diags_trap_action);
1086int qeth_setassparms_cb(struct qeth_card *, struct qeth_reply *, unsigned long);
1087int qeth_set_features(struct net_device *, netdev_features_t);
1088void qeth_enable_hw_features(struct net_device *dev);
1089netdev_features_t qeth_fix_features(struct net_device *, netdev_features_t);
1090netdev_features_t qeth_features_check(struct sk_buff *skb,
1091 struct net_device *dev,
1092 netdev_features_t features);
1093void qeth_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats);
1094int qeth_set_real_num_tx_queues(struct qeth_card *card, unsigned int count);
1095u16 qeth_iqd_select_queue(struct net_device *dev, struct sk_buff *skb,
1096 u8 cast_type, struct net_device *sb_dev);
1097u16 qeth_osa_select_queue(struct net_device *dev, struct sk_buff *skb,
1098 struct net_device *sb_dev);
1099int qeth_open(struct net_device *dev);
1100int qeth_stop(struct net_device *dev);
1101
1102int qeth_vm_request_mac(struct qeth_card *card);
1103int qeth_xmit(struct qeth_card *card, struct sk_buff *skb,
1104 struct qeth_qdio_out_q *queue, __be16 proto,
1105 void (*fill_header)(struct qeth_qdio_out_q *queue,
1106 struct qeth_hdr *hdr, struct sk_buff *skb,
1107 __be16 proto, unsigned int data_len));
1108
1109#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
23#include <net/ipv6.h>
24#include <net/if_inet6.h>
25#include <net/addrconf.h>
26
27#include <asm/debug.h>
28#include <asm/qdio.h>
29#include <asm/ccwdev.h>
30#include <asm/ccwgroup.h>
31#include <asm/sysinfo.h>
32
33#include "qeth_core_mpc.h"
34
35/**
36 * Debug Facility stuff
37 */
38enum qeth_dbf_names {
39 QETH_DBF_SETUP,
40 QETH_DBF_MSG,
41 QETH_DBF_CTRL,
42 QETH_DBF_INFOS /* must be last element */
43};
44
45struct qeth_dbf_info {
46 char name[DEBUG_MAX_NAME_LEN];
47 int pages;
48 int areas;
49 int len;
50 int level;
51 struct debug_view *view;
52 debug_info_t *id;
53};
54
55#define QETH_DBF_CTRL_LEN 256
56
57#define QETH_DBF_TEXT(name, level, text) \
58 debug_text_event(qeth_dbf[QETH_DBF_##name].id, level, text)
59
60#define QETH_DBF_HEX(name, level, addr, len) \
61 debug_event(qeth_dbf[QETH_DBF_##name].id, level, (void *)(addr), len)
62
63#define QETH_DBF_MESSAGE(level, text...) \
64 debug_sprintf_event(qeth_dbf[QETH_DBF_MSG].id, level, text)
65
66#define QETH_DBF_TEXT_(name, level, text...) \
67 qeth_dbf_longtext(qeth_dbf[QETH_DBF_##name].id, level, text)
68
69#define QETH_CARD_TEXT(card, level, text) \
70 debug_text_event(card->debug, level, text)
71
72#define QETH_CARD_HEX(card, level, addr, len) \
73 debug_event(card->debug, level, (void *)(addr), len)
74
75#define QETH_CARD_MESSAGE(card, text...) \
76 debug_sprintf_event(card->debug, level, text)
77
78#define QETH_CARD_TEXT_(card, level, text...) \
79 qeth_dbf_longtext(card->debug, level, text)
80
81#define SENSE_COMMAND_REJECT_BYTE 0
82#define SENSE_COMMAND_REJECT_FLAG 0x80
83#define SENSE_RESETTING_EVENT_BYTE 1
84#define SENSE_RESETTING_EVENT_FLAG 0x80
85
86/*
87 * Common IO related definitions
88 */
89#define CARD_RDEV(card) card->read.ccwdev
90#define CARD_WDEV(card) card->write.ccwdev
91#define CARD_DDEV(card) card->data.ccwdev
92#define CARD_BUS_ID(card) dev_name(&card->gdev->dev)
93#define CARD_RDEV_ID(card) dev_name(&card->read.ccwdev->dev)
94#define CARD_WDEV_ID(card) dev_name(&card->write.ccwdev->dev)
95#define CARD_DDEV_ID(card) dev_name(&card->data.ccwdev->dev)
96#define CHANNEL_ID(channel) dev_name(&channel->ccwdev->dev)
97
98/**
99 * card stuff
100 */
101struct qeth_perf_stats {
102 unsigned int bufs_rec;
103 unsigned int bufs_sent;
104
105 unsigned int skbs_sent_pack;
106 unsigned int bufs_sent_pack;
107
108 unsigned int sc_dp_p;
109 unsigned int sc_p_dp;
110 /* qdio_cq_handler: number of times called, time spent in */
111 __u64 cq_start_time;
112 unsigned int cq_cnt;
113 unsigned int cq_time;
114 /* qdio_input_handler: number of times called, time spent in */
115 __u64 inbound_start_time;
116 unsigned int inbound_cnt;
117 unsigned int inbound_time;
118 /* qeth_send_packet: number of times called, time spent in */
119 __u64 outbound_start_time;
120 unsigned int outbound_cnt;
121 unsigned int outbound_time;
122 /* qdio_output_handler: number of times called, time spent in */
123 __u64 outbound_handler_start_time;
124 unsigned int outbound_handler_cnt;
125 unsigned int outbound_handler_time;
126 /* number of calls to and time spent in do_QDIO for inbound queue */
127 __u64 inbound_do_qdio_start_time;
128 unsigned int inbound_do_qdio_cnt;
129 unsigned int inbound_do_qdio_time;
130 /* number of calls to and time spent in do_QDIO for outbound queues */
131 __u64 outbound_do_qdio_start_time;
132 unsigned int outbound_do_qdio_cnt;
133 unsigned int outbound_do_qdio_time;
134 unsigned int large_send_bytes;
135 unsigned int large_send_cnt;
136 unsigned int sg_skbs_sent;
137 unsigned int sg_frags_sent;
138 /* initial values when measuring starts */
139 unsigned long initial_rx_packets;
140 unsigned long initial_tx_packets;
141 /* inbound scatter gather data */
142 unsigned int sg_skbs_rx;
143 unsigned int sg_frags_rx;
144 unsigned int sg_alloc_page_rx;
145 unsigned int tx_csum;
146 unsigned int tx_lin;
147};
148
149/* Routing stuff */
150struct qeth_routing_info {
151 enum qeth_routing_types type;
152};
153
154/* IPA stuff */
155struct qeth_ipa_info {
156 __u32 supported_funcs;
157 __u32 enabled_funcs;
158};
159
160/* SETBRIDGEPORT stuff */
161enum qeth_sbp_roles {
162 QETH_SBP_ROLE_NONE = 0,
163 QETH_SBP_ROLE_PRIMARY = 1,
164 QETH_SBP_ROLE_SECONDARY = 2,
165};
166
167enum qeth_sbp_states {
168 QETH_SBP_STATE_INACTIVE = 0,
169 QETH_SBP_STATE_STANDBY = 1,
170 QETH_SBP_STATE_ACTIVE = 2,
171};
172
173#define QETH_SBP_HOST_NOTIFICATION 1
174
175struct qeth_sbp_info {
176 __u32 supported_funcs;
177 enum qeth_sbp_roles role;
178 __u32 hostnotification:1;
179 __u32 reflect_promisc:1;
180 __u32 reflect_promisc_primary:1;
181};
182
183static inline int qeth_is_ipa_supported(struct qeth_ipa_info *ipa,
184 enum qeth_ipa_funcs func)
185{
186 return (ipa->supported_funcs & func);
187}
188
189static inline int qeth_is_ipa_enabled(struct qeth_ipa_info *ipa,
190 enum qeth_ipa_funcs func)
191{
192 return (ipa->supported_funcs & ipa->enabled_funcs & func);
193}
194
195#define qeth_adp_supported(c, f) \
196 qeth_is_ipa_supported(&c->options.adp, f)
197#define qeth_adp_enabled(c, f) \
198 qeth_is_ipa_enabled(&c->options.adp, f)
199#define qeth_is_supported(c, f) \
200 qeth_is_ipa_supported(&c->options.ipa4, f)
201#define qeth_is_enabled(c, f) \
202 qeth_is_ipa_enabled(&c->options.ipa4, f)
203#define qeth_is_supported6(c, f) \
204 qeth_is_ipa_supported(&c->options.ipa6, f)
205#define qeth_is_enabled6(c, f) \
206 qeth_is_ipa_enabled(&c->options.ipa6, f)
207#define qeth_is_ipafunc_supported(c, prot, f) \
208 ((prot == QETH_PROT_IPV6) ? \
209 qeth_is_supported6(c, f) : qeth_is_supported(c, f))
210#define qeth_is_ipafunc_enabled(c, prot, f) \
211 ((prot == QETH_PROT_IPV6) ? \
212 qeth_is_enabled6(c, f) : qeth_is_enabled(c, f))
213
214#define QETH_IDX_FUNC_LEVEL_OSD 0x0101
215#define QETH_IDX_FUNC_LEVEL_IQD 0x4108
216
217#define QETH_MODELLIST_ARRAY \
218 {{0x1731, 0x01, 0x1732, QETH_CARD_TYPE_OSD, QETH_MAX_QUEUES, 0}, \
219 {0x1731, 0x05, 0x1732, QETH_CARD_TYPE_IQD, QETH_MAX_QUEUES, 0x103}, \
220 {0x1731, 0x06, 0x1732, QETH_CARD_TYPE_OSN, QETH_MAX_QUEUES, 0}, \
221 {0x1731, 0x02, 0x1732, QETH_CARD_TYPE_OSM, QETH_MAX_QUEUES, 0}, \
222 {0x1731, 0x02, 0x1732, QETH_CARD_TYPE_OSX, QETH_MAX_QUEUES, 0}, \
223 {0, 0, 0, 0, 0, 0} }
224#define QETH_CU_TYPE_IND 0
225#define QETH_CU_MODEL_IND 1
226#define QETH_DEV_TYPE_IND 2
227#define QETH_DEV_MODEL_IND 3
228#define QETH_QUEUE_NO_IND 4
229#define QETH_MULTICAST_IND 5
230
231#define QETH_REAL_CARD 1
232#define QETH_VLAN_CARD 2
233#define QETH_BUFSIZE 4096
234
235/**
236 * some more defs
237 */
238#define QETH_TX_TIMEOUT 100 * HZ
239#define QETH_RCD_TIMEOUT 60 * HZ
240#define QETH_RECLAIM_WORK_TIME HZ
241#define QETH_HEADER_SIZE 32
242#define QETH_MAX_PORTNO 15
243
244/*IPv6 address autoconfiguration stuff*/
245#define UNIQUE_ID_IF_CREATE_ADDR_FAILED 0xfffe
246#define UNIQUE_ID_NOT_BY_CARD 0x10000
247
248/*****************************************************************************/
249/* QDIO queue and buffer handling */
250/*****************************************************************************/
251#define QETH_MAX_QUEUES 4
252#define QETH_IN_BUF_SIZE_DEFAULT 65536
253#define QETH_IN_BUF_COUNT_DEFAULT 64
254#define QETH_IN_BUF_COUNT_HSDEFAULT 128
255#define QETH_IN_BUF_COUNT_MIN 8
256#define QETH_IN_BUF_COUNT_MAX 128
257#define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12)
258#define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \
259 ((card)->qdio.in_buf_pool.buf_count / 2)
260
261/* buffers we have to be behind before we get a PCI */
262#define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1)
263/*enqueued free buffers left before we get a PCI*/
264#define QETH_PCI_THRESHOLD_B(card) 0
265/*not used unless the microcode gets patched*/
266#define QETH_PCI_TIMER_VALUE(card) 3
267
268/* priority queing */
269#define QETH_PRIOQ_DEFAULT QETH_NO_PRIO_QUEUEING
270#define QETH_DEFAULT_QUEUE 2
271#define QETH_NO_PRIO_QUEUEING 0
272#define QETH_PRIO_Q_ING_PREC 1
273#define QETH_PRIO_Q_ING_TOS 2
274#define QETH_PRIO_Q_ING_SKB 3
275#define QETH_PRIO_Q_ING_VLAN 4
276
277/* Packing */
278#define QETH_LOW_WATERMARK_PACK 2
279#define QETH_HIGH_WATERMARK_PACK 5
280#define QETH_WATERMARK_PACK_FUZZ 1
281
282#define QETH_IP_HEADER_SIZE 40
283
284/* large receive scatter gather copy break */
285#define QETH_RX_SG_CB (PAGE_SIZE >> 1)
286#define QETH_RX_PULL_LEN 256
287
288struct qeth_hdr_layer3 {
289 __u8 id;
290 __u8 flags;
291 __u16 inbound_checksum; /*TSO:__u16 seqno */
292 __u32 token; /*TSO: __u32 reserved */
293 __u16 length;
294 __u8 vlan_prio;
295 __u8 ext_flags;
296 __u16 vlan_id;
297 __u16 frame_offset;
298 __u8 dest_addr[16];
299} __attribute__ ((packed));
300
301struct qeth_hdr_layer2 {
302 __u8 id;
303 __u8 flags[3];
304 __u8 port_no;
305 __u8 hdr_length;
306 __u16 pkt_length;
307 __u16 seq_no;
308 __u16 vlan_id;
309 __u32 reserved;
310 __u8 reserved2[16];
311} __attribute__ ((packed));
312
313struct qeth_hdr_osn {
314 __u8 id;
315 __u8 reserved;
316 __u16 seq_no;
317 __u16 reserved2;
318 __u16 control_flags;
319 __u16 pdu_length;
320 __u8 reserved3[18];
321 __u32 ccid;
322} __attribute__ ((packed));
323
324struct qeth_hdr {
325 union {
326 struct qeth_hdr_layer2 l2;
327 struct qeth_hdr_layer3 l3;
328 struct qeth_hdr_osn osn;
329 } hdr;
330} __attribute__ ((packed));
331
332/*TCP Segmentation Offload header*/
333struct qeth_hdr_ext_tso {
334 __u16 hdr_tot_len;
335 __u8 imb_hdr_no;
336 __u8 reserved;
337 __u8 hdr_type;
338 __u8 hdr_version;
339 __u16 hdr_len;
340 __u32 payload_len;
341 __u16 mss;
342 __u16 dg_hdr_len;
343 __u8 padding[16];
344} __attribute__ ((packed));
345
346struct qeth_hdr_tso {
347 struct qeth_hdr hdr; /*hdr->hdr.l3.xxx*/
348 struct qeth_hdr_ext_tso ext;
349} __attribute__ ((packed));
350
351
352/* flags for qeth_hdr.flags */
353#define QETH_HDR_PASSTHRU 0x10
354#define QETH_HDR_IPV6 0x80
355#define QETH_HDR_CAST_MASK 0x07
356enum qeth_cast_flags {
357 QETH_CAST_UNICAST = 0x06,
358 QETH_CAST_MULTICAST = 0x04,
359 QETH_CAST_BROADCAST = 0x05,
360 QETH_CAST_ANYCAST = 0x07,
361 QETH_CAST_NOCAST = 0x00,
362};
363
364enum qeth_layer2_frame_flags {
365 QETH_LAYER2_FLAG_MULTICAST = 0x01,
366 QETH_LAYER2_FLAG_BROADCAST = 0x02,
367 QETH_LAYER2_FLAG_UNICAST = 0x04,
368 QETH_LAYER2_FLAG_VLAN = 0x10,
369};
370
371enum qeth_header_ids {
372 QETH_HEADER_TYPE_LAYER3 = 0x01,
373 QETH_HEADER_TYPE_LAYER2 = 0x02,
374 QETH_HEADER_TYPE_TSO = 0x03,
375 QETH_HEADER_TYPE_OSN = 0x04,
376};
377/* flags for qeth_hdr.ext_flags */
378#define QETH_HDR_EXT_VLAN_FRAME 0x01
379#define QETH_HDR_EXT_TOKEN_ID 0x02
380#define QETH_HDR_EXT_INCLUDE_VLAN_TAG 0x04
381#define QETH_HDR_EXT_SRC_MAC_ADDR 0x08
382#define QETH_HDR_EXT_CSUM_HDR_REQ 0x10
383#define QETH_HDR_EXT_CSUM_TRANSP_REQ 0x20
384#define QETH_HDR_EXT_UDP 0x40 /*bit off for TCP*/
385
386enum qeth_qdio_buffer_states {
387 /*
388 * inbound: read out by driver; owned by hardware in order to be filled
389 * outbound: owned by driver in order to be filled
390 */
391 QETH_QDIO_BUF_EMPTY,
392 /*
393 * inbound: filled by hardware; owned by driver in order to be read out
394 * outbound: filled by driver; owned by hardware in order to be sent
395 */
396 QETH_QDIO_BUF_PRIMED,
397 /*
398 * inbound: not applicable
399 * outbound: identified to be pending in TPQ
400 */
401 QETH_QDIO_BUF_PENDING,
402 /*
403 * inbound: not applicable
404 * outbound: found in completion queue
405 */
406 QETH_QDIO_BUF_IN_CQ,
407 /*
408 * inbound: not applicable
409 * outbound: handled via transfer pending / completion queue
410 */
411 QETH_QDIO_BUF_HANDLED_DELAYED,
412};
413
414enum qeth_qdio_info_states {
415 QETH_QDIO_UNINITIALIZED,
416 QETH_QDIO_ALLOCATED,
417 QETH_QDIO_ESTABLISHED,
418 QETH_QDIO_CLEANING
419};
420
421struct qeth_buffer_pool_entry {
422 struct list_head list;
423 struct list_head init_list;
424 void *elements[QDIO_MAX_ELEMENTS_PER_BUFFER];
425};
426
427struct qeth_qdio_buffer_pool {
428 struct list_head entry_list;
429 int buf_count;
430};
431
432struct qeth_qdio_buffer {
433 struct qdio_buffer *buffer;
434 /* the buffer pool entry currently associated to this buffer */
435 struct qeth_buffer_pool_entry *pool_entry;
436 struct sk_buff *rx_skb;
437};
438
439struct qeth_qdio_q {
440 struct qdio_buffer *qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
441 struct qeth_qdio_buffer bufs[QDIO_MAX_BUFFERS_PER_Q];
442 int next_buf_to_init;
443};
444
445struct qeth_qdio_out_buffer {
446 struct qdio_buffer *buffer;
447 atomic_t state;
448 int next_element_to_fill;
449 struct sk_buff_head skb_list;
450 int is_header[16];
451
452 struct qaob *aob;
453 struct qeth_qdio_out_q *q;
454 struct qeth_qdio_out_buffer *next_pending;
455};
456
457struct qeth_card;
458
459enum qeth_out_q_states {
460 QETH_OUT_Q_UNLOCKED,
461 QETH_OUT_Q_LOCKED,
462 QETH_OUT_Q_LOCKED_FLUSH,
463};
464
465struct qeth_qdio_out_q {
466 struct qdio_buffer *qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
467 struct qeth_qdio_out_buffer *bufs[QDIO_MAX_BUFFERS_PER_Q];
468 struct qdio_outbuf_state *bufstates; /* convenience pointer */
469 int queue_no;
470 struct qeth_card *card;
471 atomic_t state;
472 int do_pack;
473 /*
474 * index of buffer to be filled by driver; state EMPTY or PACKING
475 */
476 int next_buf_to_fill;
477 /*
478 * number of buffers that are currently filled (PRIMED)
479 * -> these buffers are hardware-owned
480 */
481 atomic_t used_buffers;
482 /* indicates whether PCI flag must be set (or if one is outstanding) */
483 atomic_t set_pci_flags_count;
484};
485
486struct qeth_qdio_info {
487 atomic_t state;
488 /* input */
489 int no_in_queues;
490 struct qeth_qdio_q *in_q;
491 struct qeth_qdio_q *c_q;
492 struct qeth_qdio_buffer_pool in_buf_pool;
493 struct qeth_qdio_buffer_pool init_pool;
494 int in_buf_size;
495
496 /* output */
497 int no_out_queues;
498 struct qeth_qdio_out_q **out_qs;
499 struct qdio_outbuf_state *out_bufstates;
500
501 /* priority queueing */
502 int do_prio_queueing;
503 int default_out_queue;
504};
505
506enum qeth_send_errors {
507 QETH_SEND_ERROR_NONE,
508 QETH_SEND_ERROR_LINK_FAILURE,
509 QETH_SEND_ERROR_RETRY,
510 QETH_SEND_ERROR_KICK_IT,
511};
512
513#define QETH_ETH_MAC_V4 0x0100 /* like v4 */
514#define QETH_ETH_MAC_V6 0x3333 /* like v6 */
515/* tr mc mac is longer, but that will be enough to detect mc frames */
516#define QETH_TR_MAC_NC 0xc000 /* non-canonical */
517#define QETH_TR_MAC_C 0x0300 /* canonical */
518
519#define DEFAULT_ADD_HHLEN 0
520#define MAX_ADD_HHLEN 1024
521
522/**
523 * buffer stuff for read channel
524 */
525#define QETH_CMD_BUFFER_NO 8
526
527/**
528 * channel state machine
529 */
530enum qeth_channel_states {
531 CH_STATE_UP,
532 CH_STATE_DOWN,
533 CH_STATE_ACTIVATING,
534 CH_STATE_HALTED,
535 CH_STATE_STOPPED,
536 CH_STATE_RCD,
537 CH_STATE_RCD_DONE,
538};
539/**
540 * card state machine
541 */
542enum qeth_card_states {
543 CARD_STATE_DOWN,
544 CARD_STATE_HARDSETUP,
545 CARD_STATE_SOFTSETUP,
546 CARD_STATE_UP,
547 CARD_STATE_RECOVER,
548};
549
550/**
551 * Protocol versions
552 */
553enum qeth_prot_versions {
554 QETH_PROT_IPV4 = 0x0004,
555 QETH_PROT_IPV6 = 0x0006,
556};
557
558enum qeth_ip_types {
559 QETH_IP_TYPE_NORMAL,
560 QETH_IP_TYPE_VIPA,
561 QETH_IP_TYPE_RXIP,
562 QETH_IP_TYPE_DEL_ALL_MC,
563};
564
565enum qeth_cmd_buffer_state {
566 BUF_STATE_FREE,
567 BUF_STATE_LOCKED,
568 BUF_STATE_PROCESSED,
569};
570
571enum qeth_cq {
572 QETH_CQ_DISABLED = 0,
573 QETH_CQ_ENABLED = 1,
574 QETH_CQ_NOTAVAILABLE = 2,
575};
576
577struct qeth_ipato {
578 int enabled;
579 int invert4;
580 int invert6;
581 struct list_head entries;
582};
583
584struct qeth_channel;
585
586struct qeth_cmd_buffer {
587 enum qeth_cmd_buffer_state state;
588 struct qeth_channel *channel;
589 unsigned char *data;
590 int rc;
591 void (*callback) (struct qeth_channel *, struct qeth_cmd_buffer *);
592};
593
594/**
595 * definition of a qeth channel, used for read and write
596 */
597struct qeth_channel {
598 enum qeth_channel_states state;
599 struct ccw1 ccw;
600 spinlock_t iob_lock;
601 wait_queue_head_t wait_q;
602 struct ccw_device *ccwdev;
603/*command buffer for control data*/
604 struct qeth_cmd_buffer iob[QETH_CMD_BUFFER_NO];
605 atomic_t irq_pending;
606 int io_buf_no;
607 int buf_no;
608};
609
610/**
611 * OSA card related definitions
612 */
613struct qeth_token {
614 __u32 issuer_rm_w;
615 __u32 issuer_rm_r;
616 __u32 cm_filter_w;
617 __u32 cm_filter_r;
618 __u32 cm_connection_w;
619 __u32 cm_connection_r;
620 __u32 ulp_filter_w;
621 __u32 ulp_filter_r;
622 __u32 ulp_connection_w;
623 __u32 ulp_connection_r;
624};
625
626struct qeth_seqno {
627 __u32 trans_hdr;
628 __u32 pdu_hdr;
629 __u32 pdu_hdr_ack;
630 __u16 ipa;
631 __u32 pkt_seqno;
632};
633
634struct qeth_reply {
635 struct list_head list;
636 wait_queue_head_t wait_q;
637 int (*callback)(struct qeth_card *, struct qeth_reply *,
638 unsigned long);
639 u32 seqno;
640 unsigned long offset;
641 atomic_t received;
642 int rc;
643 void *param;
644 struct qeth_card *card;
645 atomic_t refcnt;
646};
647
648
649struct qeth_card_blkt {
650 int time_total;
651 int inter_packet;
652 int inter_packet_jumbo;
653};
654
655#define QETH_BROADCAST_WITH_ECHO 0x01
656#define QETH_BROADCAST_WITHOUT_ECHO 0x02
657#define QETH_LAYER2_MAC_READ 0x01
658#define QETH_LAYER2_MAC_REGISTERED 0x02
659struct qeth_card_info {
660 unsigned short unit_addr2;
661 unsigned short cula;
662 unsigned short chpid;
663 __u16 func_level;
664 char mcl_level[QETH_MCL_LENGTH + 1];
665 int guestlan;
666 int mac_bits;
667 int portno;
668 enum qeth_card_types type;
669 enum qeth_link_types link_type;
670 int is_multicast_different;
671 int initial_mtu;
672 int max_mtu;
673 int broadcast_capable;
674 int unique_id;
675 struct qeth_card_blkt blkt;
676 __u32 csum_mask;
677 __u32 tx_csum_mask;
678 enum qeth_ipa_promisc_modes promisc_mode;
679 __u32 diagass_support;
680 __u32 hwtrap;
681};
682
683struct qeth_card_options {
684 struct qeth_routing_info route4;
685 struct qeth_ipa_info ipa4;
686 struct qeth_ipa_info adp; /*Adapter parameters*/
687 struct qeth_routing_info route6;
688 struct qeth_ipa_info ipa6;
689 struct qeth_sbp_info sbp; /* SETBRIDGEPORT options */
690 int fake_broadcast;
691 int add_hhlen;
692 int layer2;
693 int performance_stats;
694 int rx_sg_cb;
695 enum qeth_ipa_isolation_modes isolation;
696 enum qeth_ipa_isolation_modes prev_isolation;
697 int sniffer;
698 enum qeth_cq cq;
699 char hsuid[9];
700};
701
702/*
703 * thread bits for qeth_card thread masks
704 */
705enum qeth_threads {
706 QETH_RECOVER_THREAD = 1,
707};
708
709struct qeth_osn_info {
710 int (*assist_cb)(struct net_device *dev, void *data);
711 int (*data_cb)(struct sk_buff *skb);
712};
713
714enum qeth_discipline_id {
715 QETH_DISCIPLINE_LAYER3 = 0,
716 QETH_DISCIPLINE_LAYER2 = 1,
717};
718
719struct qeth_discipline {
720 void (*start_poll)(struct ccw_device *, int, unsigned long);
721 qdio_handler_t *input_handler;
722 qdio_handler_t *output_handler;
723 int (*recover)(void *ptr);
724 int (*setup) (struct ccwgroup_device *);
725 void (*remove) (struct ccwgroup_device *);
726 int (*set_online) (struct ccwgroup_device *);
727 int (*set_offline) (struct ccwgroup_device *);
728 void (*shutdown)(struct ccwgroup_device *);
729 int (*prepare) (struct ccwgroup_device *);
730 void (*complete) (struct ccwgroup_device *);
731 int (*freeze)(struct ccwgroup_device *);
732 int (*thaw) (struct ccwgroup_device *);
733 int (*restore)(struct ccwgroup_device *);
734 int (*control_event_handler)(struct qeth_card *card,
735 struct qeth_ipa_cmd *cmd);
736};
737
738struct qeth_vlan_vid {
739 struct list_head list;
740 unsigned short vid;
741};
742
743enum qeth_mac_disposition {
744 QETH_DISP_MAC_DELETE = 0,
745 QETH_DISP_MAC_DO_NOTHING = 1,
746 QETH_DISP_MAC_ADD = 2,
747};
748
749struct qeth_mac {
750 u8 mac_addr[OSA_ADDR_LEN];
751 u8 is_uc:1;
752 u8 disp_flag:2;
753 struct hlist_node hnode;
754};
755
756struct qeth_rx {
757 int b_count;
758 int b_index;
759 struct qdio_buffer_element *b_element;
760 int e_offset;
761 int qdio_err;
762};
763
764struct carrier_info {
765 __u8 card_type;
766 __u16 port_mode;
767 __u32 port_speed;
768};
769
770struct qeth_switch_info {
771 __u32 capabilities;
772 __u32 settings;
773};
774
775#define QETH_NAPI_WEIGHT NAPI_POLL_WEIGHT
776
777struct qeth_card {
778 struct list_head list;
779 enum qeth_card_states state;
780 int lan_online;
781 spinlock_t lock;
782 struct ccwgroup_device *gdev;
783 struct qeth_channel read;
784 struct qeth_channel write;
785 struct qeth_channel data;
786
787 struct net_device *dev;
788 struct net_device_stats stats;
789
790 struct qeth_card_info info;
791 struct qeth_token token;
792 struct qeth_seqno seqno;
793 struct qeth_card_options options;
794
795 wait_queue_head_t wait_q;
796 spinlock_t vlanlock;
797 spinlock_t mclock;
798 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
799 struct list_head vid_list;
800 DECLARE_HASHTABLE(mac_htable, 4);
801 struct work_struct kernel_thread_starter;
802 spinlock_t thread_mask_lock;
803 unsigned long thread_start_mask;
804 unsigned long thread_allowed_mask;
805 unsigned long thread_running_mask;
806 struct task_struct *recovery_task;
807 spinlock_t ip_lock;
808 struct list_head ip_list;
809 struct list_head *ip_tbd_list;
810 struct qeth_ipato ipato;
811 struct list_head cmd_waiter_list;
812 /* QDIO buffer handling */
813 struct qeth_qdio_info qdio;
814 struct qeth_perf_stats perf_stats;
815 int read_or_write_problem;
816 struct qeth_osn_info osn_info;
817 struct qeth_discipline *discipline;
818 atomic_t force_alloc_skb;
819 struct service_level qeth_service_level;
820 struct qdio_ssqd_desc ssqd;
821 debug_info_t *debug;
822 struct mutex conf_mutex;
823 struct mutex discipline_mutex;
824 struct napi_struct napi;
825 struct qeth_rx rx;
826 struct delayed_work buffer_reclaim_work;
827 int reclaim_index;
828 struct work_struct close_dev_work;
829};
830
831struct qeth_card_list_struct {
832 struct list_head list;
833 rwlock_t rwlock;
834};
835
836struct qeth_trap_id {
837 __u16 lparnr;
838 char vmname[8];
839 __u8 chpid;
840 __u8 ssid;
841 __u16 devno;
842} __packed;
843
844/*some helper functions*/
845#define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "")
846
847static inline int qeth_get_micros(void)
848{
849 return (int) (get_tod_clock() >> 12);
850}
851
852static inline int qeth_get_ip_version(struct sk_buff *skb)
853{
854 __be16 *p = &((struct ethhdr *)skb->data)->h_proto;
855
856 if (*p == ETH_P_8021Q)
857 p += 2;
858 switch (*p) {
859 case ETH_P_IPV6:
860 return 6;
861 case ETH_P_IP:
862 return 4;
863 default:
864 return 0;
865 }
866}
867
868static inline void qeth_put_buffer_pool_entry(struct qeth_card *card,
869 struct qeth_buffer_pool_entry *entry)
870{
871 list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list);
872}
873
874static inline int qeth_is_diagass_supported(struct qeth_card *card,
875 enum qeth_diags_cmds cmd)
876{
877 return card->info.diagass_support & (__u32)cmd;
878}
879
880extern struct qeth_discipline qeth_l2_discipline;
881extern struct qeth_discipline qeth_l3_discipline;
882extern const struct attribute_group *qeth_generic_attr_groups[];
883extern const struct attribute_group *qeth_osn_attr_groups[];
884extern struct workqueue_struct *qeth_wq;
885
886int qeth_card_hw_is_reachable(struct qeth_card *);
887const char *qeth_get_cardname_short(struct qeth_card *);
888int qeth_realloc_buffer_pool(struct qeth_card *, int);
889int qeth_core_load_discipline(struct qeth_card *, enum qeth_discipline_id);
890void qeth_core_free_discipline(struct qeth_card *);
891
892/* exports for qeth discipline device drivers */
893extern struct qeth_card_list_struct qeth_core_card_list;
894extern struct kmem_cache *qeth_core_header_cache;
895extern struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS];
896
897void qeth_set_recovery_task(struct qeth_card *);
898void qeth_clear_recovery_task(struct qeth_card *);
899void qeth_set_allowed_threads(struct qeth_card *, unsigned long , int);
900int qeth_threads_running(struct qeth_card *, unsigned long);
901int qeth_wait_for_threads(struct qeth_card *, unsigned long);
902int qeth_do_run_thread(struct qeth_card *, unsigned long);
903void qeth_clear_thread_start_bit(struct qeth_card *, unsigned long);
904void qeth_clear_thread_running_bit(struct qeth_card *, unsigned long);
905int qeth_core_hardsetup_card(struct qeth_card *);
906void qeth_print_status_message(struct qeth_card *);
907int qeth_init_qdio_queues(struct qeth_card *);
908int qeth_send_startlan(struct qeth_card *);
909int qeth_send_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *,
910 int (*reply_cb)
911 (struct qeth_card *, struct qeth_reply *, unsigned long),
912 void *);
913struct qeth_cmd_buffer *qeth_get_ipacmd_buffer(struct qeth_card *,
914 enum qeth_ipa_cmds, enum qeth_prot_versions);
915int qeth_query_setadapterparms(struct qeth_card *);
916int qeth_check_qdio_errors(struct qeth_card *, struct qdio_buffer *,
917 unsigned int, const char *);
918void qeth_queue_input_buffer(struct qeth_card *, int);
919struct sk_buff *qeth_core_get_next_skb(struct qeth_card *,
920 struct qeth_qdio_buffer *, struct qdio_buffer_element **, int *,
921 struct qeth_hdr **);
922void qeth_schedule_recovery(struct qeth_card *);
923void qeth_qdio_start_poll(struct ccw_device *, int, unsigned long);
924void qeth_qdio_input_handler(struct ccw_device *,
925 unsigned int, unsigned int, int,
926 int, unsigned long);
927void qeth_qdio_output_handler(struct ccw_device *, unsigned int,
928 int, int, int, unsigned long);
929void qeth_clear_ipacmd_list(struct qeth_card *);
930int qeth_qdio_clear_card(struct qeth_card *, int);
931void qeth_clear_working_pool_list(struct qeth_card *);
932void qeth_clear_cmd_buffers(struct qeth_channel *);
933void qeth_clear_qdio_buffers(struct qeth_card *);
934void qeth_setadp_promisc_mode(struct qeth_card *);
935struct net_device_stats *qeth_get_stats(struct net_device *);
936int qeth_change_mtu(struct net_device *, int);
937int qeth_setadpparms_change_macaddr(struct qeth_card *);
938void qeth_tx_timeout(struct net_device *);
939void qeth_prepare_control_data(struct qeth_card *, int,
940 struct qeth_cmd_buffer *);
941void qeth_release_buffer(struct qeth_channel *, struct qeth_cmd_buffer *);
942void qeth_prepare_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, char);
943struct qeth_cmd_buffer *qeth_wait_for_buffer(struct qeth_channel *);
944int qeth_mdio_read(struct net_device *, int, int);
945int qeth_snmp_command(struct qeth_card *, char __user *);
946int qeth_query_oat_command(struct qeth_card *, char __user *);
947int qeth_query_switch_attributes(struct qeth_card *card,
948 struct qeth_switch_info *sw_info);
949int qeth_send_control_data(struct qeth_card *, int, struct qeth_cmd_buffer *,
950 int (*reply_cb)(struct qeth_card *, struct qeth_reply*, unsigned long),
951 void *reply_param);
952int qeth_bridgeport_query_ports(struct qeth_card *card,
953 enum qeth_sbp_roles *role, enum qeth_sbp_states *state);
954int qeth_bridgeport_setrole(struct qeth_card *card, enum qeth_sbp_roles role);
955int qeth_bridgeport_an_set(struct qeth_card *card, int enable);
956int qeth_get_priority_queue(struct qeth_card *, struct sk_buff *, int, int);
957int qeth_get_elements_no(struct qeth_card *, struct sk_buff *, int);
958int qeth_get_elements_for_frags(struct sk_buff *);
959int qeth_do_send_packet_fast(struct qeth_card *, struct qeth_qdio_out_q *,
960 struct sk_buff *, struct qeth_hdr *, int, int, int);
961int qeth_do_send_packet(struct qeth_card *, struct qeth_qdio_out_q *,
962 struct sk_buff *, struct qeth_hdr *, int);
963int qeth_core_get_sset_count(struct net_device *, int);
964void qeth_core_get_ethtool_stats(struct net_device *,
965 struct ethtool_stats *, u64 *);
966void qeth_core_get_strings(struct net_device *, u32, u8 *);
967void qeth_core_get_drvinfo(struct net_device *, struct ethtool_drvinfo *);
968void qeth_dbf_longtext(debug_info_t *id, int level, char *text, ...);
969int qeth_core_ethtool_get_settings(struct net_device *, struct ethtool_cmd *);
970int qeth_set_access_ctrl_online(struct qeth_card *card, int fallback);
971int qeth_hdr_chk_and_bounce(struct sk_buff *, struct qeth_hdr **, int);
972int qeth_configure_cq(struct qeth_card *, enum qeth_cq);
973int qeth_hw_trap(struct qeth_card *, enum qeth_diags_trap_action);
974int qeth_query_ipassists(struct qeth_card *, enum qeth_prot_versions prot);
975void qeth_trace_features(struct qeth_card *);
976void qeth_close_dev(struct qeth_card *);
977int qeth_send_simple_setassparms(struct qeth_card *, enum qeth_ipa_funcs,
978 __u16, long);
979int qeth_send_setassparms(struct qeth_card *, struct qeth_cmd_buffer *, __u16,
980 long,
981 int (*reply_cb)(struct qeth_card *,
982 struct qeth_reply *, unsigned long),
983 void *);
984struct qeth_cmd_buffer *qeth_get_setassparms_cmd(struct qeth_card *,
985 enum qeth_ipa_funcs,
986 __u16, __u16,
987 enum qeth_prot_versions);
988int qeth_start_ipa_tx_checksum(struct qeth_card *);
989int qeth_set_rx_csum(struct qeth_card *, int);
990
991/* exports for OSN */
992int qeth_osn_assist(struct net_device *, void *, int);
993int qeth_osn_register(unsigned char *read_dev_no, struct net_device **,
994 int (*assist_cb)(struct net_device *, void *),
995 int (*data_cb)(struct sk_buff *));
996void qeth_osn_deregister(struct net_device *);
997
998#endif /* __QETH_CORE_H__ */