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10#ifndef __QETH_CORE_H__
11#define __QETH_CORE_H__
12
13#include <linux/completion.h>
14#include <linux/if.h>
15#include <linux/if_arp.h>
16#include <linux/etherdevice.h>
17#include <linux/if_vlan.h>
18#include <linux/ctype.h>
19#include <linux/in6.h>
20#include <linux/bitops.h>
21#include <linux/seq_file.h>
22#include <linux/hashtable.h>
23#include <linux/ip.h>
24#include <linux/refcount.h>
25#include <linux/wait.h>
26#include <linux/workqueue.h>
27
28#include <net/dst.h>
29#include <net/ip6_fib.h>
30#include <net/ipv6.h>
31#include <net/if_inet6.h>
32#include <net/addrconf.h>
33#include <net/tcp.h>
34
35#include <asm/debug.h>
36#include <asm/qdio.h>
37#include <asm/ccwdev.h>
38#include <asm/ccwgroup.h>
39#include <asm/sysinfo.h>
40
41#include <uapi/linux/if_link.h>
42
43#include "qeth_core_mpc.h"
44
45
46
47
48enum qeth_dbf_names {
49 QETH_DBF_SETUP,
50 QETH_DBF_MSG,
51 QETH_DBF_CTRL,
52 QETH_DBF_INFOS
53};
54
55struct qeth_dbf_info {
56 char name[DEBUG_MAX_NAME_LEN];
57 int pages;
58 int areas;
59 int len;
60 int level;
61 struct debug_view *view;
62 debug_info_t *id;
63};
64
65#define QETH_DBF_CTRL_LEN 256U
66
67#define QETH_DBF_TEXT(name, level, text) \
68 debug_text_event(qeth_dbf[QETH_DBF_##name].id, level, text)
69
70#define QETH_DBF_HEX(name, level, addr, len) \
71 debug_event(qeth_dbf[QETH_DBF_##name].id, level, (void *)(addr), len)
72
73#define QETH_DBF_MESSAGE(level, text...) \
74 debug_sprintf_event(qeth_dbf[QETH_DBF_MSG].id, level, text)
75
76#define QETH_DBF_TEXT_(name, level, text...) \
77 qeth_dbf_longtext(qeth_dbf[QETH_DBF_##name].id, level, text)
78
79#define QETH_CARD_TEXT(card, level, text) \
80 debug_text_event(card->debug, level, text)
81
82#define QETH_CARD_HEX(card, level, addr, len) \
83 debug_event(card->debug, level, (void *)(addr), len)
84
85#define QETH_CARD_MESSAGE(card, text...) \
86 debug_sprintf_event(card->debug, level, text)
87
88#define QETH_CARD_TEXT_(card, level, text...) \
89 qeth_dbf_longtext(card->debug, level, text)
90
91#define SENSE_COMMAND_REJECT_BYTE 0
92#define SENSE_COMMAND_REJECT_FLAG 0x80
93#define SENSE_RESETTING_EVENT_BYTE 1
94#define SENSE_RESETTING_EVENT_FLAG 0x80
95
96static inline u32 qeth_get_device_id(struct ccw_device *cdev)
97{
98 struct ccw_dev_id dev_id;
99 u32 id;
100
101 ccw_device_get_id(cdev, &dev_id);
102 id = dev_id.devno;
103 id |= (u32) (dev_id.ssid << 16);
104
105 return id;
106}
107
108
109
110
111#define CARD_RDEV(card) card->read.ccwdev
112#define CARD_WDEV(card) card->write.ccwdev
113#define CARD_DDEV(card) card->data.ccwdev
114#define CARD_BUS_ID(card) dev_name(&card->gdev->dev)
115#define CARD_RDEV_ID(card) dev_name(&card->read.ccwdev->dev)
116#define CARD_WDEV_ID(card) dev_name(&card->write.ccwdev->dev)
117#define CARD_DDEV_ID(card) dev_name(&card->data.ccwdev->dev)
118#define CCW_DEVID(cdev) (qeth_get_device_id(cdev))
119#define CARD_DEVID(card) (CCW_DEVID(CARD_RDEV(card)))
120
121
122struct qeth_routing_info {
123 enum qeth_routing_types type;
124};
125
126
127struct qeth_ipa_info {
128 __u32 supported_funcs;
129 __u32 enabled_funcs;
130};
131
132
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
157 u32 sup_chars;
158 u32 cur_chars;
159
160 u32 set_char_sup;
161 u32 getset_timeout_sup;
162
163 u32 learning_timeout;
164
165 u32 wanted_chars;
166
167 bool rx_bcast_enabled;
168};
169
170static inline int qeth_is_adp_supported(struct qeth_ipa_info *ipa,
171 enum qeth_ipa_setadp_cmd func)
172{
173 return (ipa->supported_funcs & func);
174}
175
176static inline int qeth_is_ipa_supported(struct qeth_ipa_info *ipa,
177 enum qeth_ipa_funcs func)
178{
179 return (ipa->supported_funcs & func);
180}
181
182static inline int qeth_is_ipa_enabled(struct qeth_ipa_info *ipa,
183 enum qeth_ipa_funcs func)
184{
185 return (ipa->supported_funcs & ipa->enabled_funcs & func);
186}
187
188#define qeth_adp_supported(c, f) \
189 qeth_is_adp_supported(&c->options.adp, f)
190#define qeth_is_supported(c, f) \
191 qeth_is_ipa_supported(&c->options.ipa4, f)
192#define qeth_is_enabled(c, f) \
193 qeth_is_ipa_enabled(&c->options.ipa4, f)
194#define qeth_is_supported6(c, f) \
195 qeth_is_ipa_supported(&c->options.ipa6, f)
196#define qeth_is_enabled6(c, f) \
197 qeth_is_ipa_enabled(&c->options.ipa6, f)
198#define qeth_is_ipafunc_supported(c, prot, f) \
199 ((prot == QETH_PROT_IPV6) ? \
200 qeth_is_supported6(c, f) : qeth_is_supported(c, f))
201#define qeth_is_ipafunc_enabled(c, prot, f) \
202 ((prot == QETH_PROT_IPV6) ? \
203 qeth_is_enabled6(c, f) : qeth_is_enabled(c, f))
204
205#define QETH_IDX_FUNC_LEVEL_OSD 0x0101
206#define QETH_IDX_FUNC_LEVEL_IQD 0x4108
207
208#define QETH_BUFSIZE 4096
209#define CCW_CMD_WRITE 0x01
210#define CCW_CMD_READ 0x02
211
212
213
214
215#define QETH_TX_TIMEOUT 100 * HZ
216#define QETH_RCD_TIMEOUT 60 * HZ
217#define QETH_RECLAIM_WORK_TIME HZ
218#define QETH_MAX_PORTNO 15
219
220
221#define UNIQUE_ID_IF_CREATE_ADDR_FAILED 0xfffe
222#define UNIQUE_ID_NOT_BY_CARD 0x10000
223
224
225
226
227#define QETH_MAX_QUEUES 4
228#define QETH_IQD_MIN_TXQ 2
229#define QETH_IQD_MCAST_TXQ 0
230#define QETH_IQD_MIN_UCAST_TXQ 1
231#define QETH_IN_BUF_SIZE_DEFAULT 65536
232#define QETH_IN_BUF_COUNT_DEFAULT 64
233#define QETH_IN_BUF_COUNT_HSDEFAULT 128
234#define QETH_IN_BUF_COUNT_MIN 8
235#define QETH_IN_BUF_COUNT_MAX 128
236#define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12)
237#define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \
238 ((card)->qdio.in_buf_pool.buf_count / 2)
239
240
241#define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1)
242
243#define QETH_PCI_THRESHOLD_B(card) 0
244
245#define QETH_PCI_TIMER_VALUE(card) 3
246
247
248#define QETH_PRIOQ_DEFAULT QETH_NO_PRIO_QUEUEING
249#define QETH_DEFAULT_QUEUE 2
250#define QETH_NO_PRIO_QUEUEING 0
251#define QETH_PRIO_Q_ING_PREC 1
252#define QETH_PRIO_Q_ING_TOS 2
253#define QETH_PRIO_Q_ING_SKB 3
254#define QETH_PRIO_Q_ING_VLAN 4
255
256
257#define QETH_LOW_WATERMARK_PACK 2
258#define QETH_HIGH_WATERMARK_PACK 5
259#define QETH_WATERMARK_PACK_FUZZ 1
260
261
262#define QETH_RX_SG_CB (PAGE_SIZE >> 1)
263#define QETH_RX_PULL_LEN 256
264
265struct qeth_hdr_layer3 {
266 __u8 id;
267 __u8 flags;
268 __u16 inbound_checksum;
269 __u32 token;
270 __u16 length;
271 __u8 vlan_prio;
272 __u8 ext_flags;
273 __u16 vlan_id;
274 __u16 frame_offset;
275 union {
276
277 struct in6_addr ipv6_addr;
278 struct ipv4 {
279 u8 res[12];
280 u32 addr;
281 } ipv4;
282
283 struct rx {
284 u8 res1[2];
285 u8 src_mac[6];
286 u8 res2[4];
287 u16 vlan_id;
288 u8 res3[2];
289 } rx;
290 } next_hop;
291};
292
293struct qeth_hdr_layer2 {
294 __u8 id;
295 __u8 flags[3];
296 __u8 port_no;
297 __u8 hdr_length;
298 __u16 pkt_length;
299 __u16 seq_no;
300 __u16 vlan_id;
301 __u32 reserved;
302 __u8 reserved2[16];
303} __attribute__ ((packed));
304
305struct qeth_hdr_osn {
306 __u8 id;
307 __u8 reserved;
308 __u16 seq_no;
309 __u16 reserved2;
310 __u16 control_flags;
311 __u16 pdu_length;
312 __u8 reserved3[18];
313 __u32 ccid;
314} __attribute__ ((packed));
315
316struct qeth_hdr {
317 union {
318 struct qeth_hdr_layer2 l2;
319 struct qeth_hdr_layer3 l3;
320 struct qeth_hdr_osn osn;
321 } hdr;
322} __attribute__ ((packed));
323
324
325struct qeth_hdr_ext_tso {
326 __u16 hdr_tot_len;
327 __u8 imb_hdr_no;
328 __u8 reserved;
329 __u8 hdr_type;
330 __u8 hdr_version;
331 __u16 hdr_len;
332 __u32 payload_len;
333 __u16 mss;
334 __u16 dg_hdr_len;
335 __u8 padding[16];
336} __attribute__ ((packed));
337
338struct qeth_hdr_tso {
339 struct qeth_hdr hdr;
340 struct qeth_hdr_ext_tso ext;
341} __attribute__ ((packed));
342
343
344
345#define QETH_HDR_PASSTHRU 0x10
346#define QETH_HDR_IPV6 0x80
347#define QETH_HDR_CAST_MASK 0x07
348enum qeth_cast_flags {
349 QETH_CAST_UNICAST = 0x06,
350 QETH_CAST_MULTICAST = 0x04,
351 QETH_CAST_BROADCAST = 0x05,
352 QETH_CAST_ANYCAST = 0x07,
353 QETH_CAST_NOCAST = 0x00,
354};
355
356enum qeth_layer2_frame_flags {
357 QETH_LAYER2_FLAG_MULTICAST = 0x01,
358 QETH_LAYER2_FLAG_BROADCAST = 0x02,
359 QETH_LAYER2_FLAG_UNICAST = 0x04,
360 QETH_LAYER2_FLAG_VLAN = 0x10,
361};
362
363enum qeth_header_ids {
364 QETH_HEADER_TYPE_LAYER3 = 0x01,
365 QETH_HEADER_TYPE_LAYER2 = 0x02,
366 QETH_HEADER_TYPE_L3_TSO = 0x03,
367 QETH_HEADER_TYPE_OSN = 0x04,
368 QETH_HEADER_TYPE_L2_TSO = 0x06,
369};
370
371#define QETH_HDR_EXT_VLAN_FRAME 0x01
372#define QETH_HDR_EXT_TOKEN_ID 0x02
373#define QETH_HDR_EXT_INCLUDE_VLAN_TAG 0x04
374#define QETH_HDR_EXT_SRC_MAC_ADDR 0x08
375#define QETH_HDR_EXT_CSUM_HDR_REQ 0x10
376#define QETH_HDR_EXT_CSUM_TRANSP_REQ 0x20
377#define QETH_HDR_EXT_UDP 0x40
378
379enum qeth_qdio_info_states {
380 QETH_QDIO_UNINITIALIZED,
381 QETH_QDIO_ALLOCATED,
382 QETH_QDIO_ESTABLISHED,
383 QETH_QDIO_CLEANING
384};
385
386struct qeth_buffer_pool_entry {
387 struct list_head list;
388 struct list_head init_list;
389 void *elements[QDIO_MAX_ELEMENTS_PER_BUFFER];
390};
391
392struct qeth_qdio_buffer_pool {
393 struct list_head entry_list;
394 int buf_count;
395};
396
397struct qeth_qdio_buffer {
398 struct qdio_buffer *buffer;
399
400 struct qeth_buffer_pool_entry *pool_entry;
401 struct sk_buff *rx_skb;
402};
403
404struct qeth_qdio_q {
405 struct qdio_buffer *qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
406 struct qeth_qdio_buffer bufs[QDIO_MAX_BUFFERS_PER_Q];
407 int next_buf_to_init;
408};
409
410enum qeth_qdio_out_buffer_state {
411
412 QETH_QDIO_BUF_EMPTY,
413
414 QETH_QDIO_BUF_PRIMED,
415
416 QETH_QDIO_BUF_PENDING,
417
418 QETH_QDIO_BUF_IN_CQ,
419
420 QETH_QDIO_BUF_HANDLED_DELAYED,
421};
422
423struct qeth_qdio_out_buffer {
424 struct qdio_buffer *buffer;
425 atomic_t state;
426 int next_element_to_fill;
427 struct sk_buff_head skb_list;
428 int is_header[QDIO_MAX_ELEMENTS_PER_BUFFER];
429
430 struct qeth_qdio_out_q *q;
431 struct qeth_qdio_out_buffer *next_pending;
432};
433
434struct qeth_card;
435
436enum qeth_out_q_states {
437 QETH_OUT_Q_UNLOCKED,
438 QETH_OUT_Q_LOCKED,
439 QETH_OUT_Q_LOCKED_FLUSH,
440};
441
442#define QETH_CARD_STAT_ADD(_c, _stat, _val) ((_c)->stats._stat += (_val))
443#define QETH_CARD_STAT_INC(_c, _stat) QETH_CARD_STAT_ADD(_c, _stat, 1)
444
445#define QETH_TXQ_STAT_ADD(_q, _stat, _val) ((_q)->stats._stat += (_val))
446#define QETH_TXQ_STAT_INC(_q, _stat) QETH_TXQ_STAT_ADD(_q, _stat, 1)
447
448struct qeth_card_stats {
449 u64 rx_bufs;
450 u64 rx_skb_csum;
451 u64 rx_sg_skbs;
452 u64 rx_sg_frags;
453 u64 rx_sg_alloc_page;
454
455
456 u64 rx_packets;
457 u64 rx_bytes;
458 u64 rx_errors;
459 u64 rx_dropped;
460 u64 rx_multicast;
461};
462
463struct qeth_out_q_stats {
464 u64 bufs;
465 u64 bufs_pack;
466 u64 buf_elements;
467 u64 skbs_pack;
468 u64 skbs_sg;
469 u64 skbs_csum;
470 u64 skbs_tso;
471 u64 skbs_linearized;
472 u64 skbs_linearized_fail;
473 u64 tso_bytes;
474 u64 packing_mode_switch;
475 u64 stopped;
476
477
478 u64 tx_packets;
479 u64 tx_bytes;
480 u64 tx_errors;
481 u64 tx_dropped;
482};
483
484struct qeth_qdio_out_q {
485 struct qdio_buffer *qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
486 struct qeth_qdio_out_buffer *bufs[QDIO_MAX_BUFFERS_PER_Q];
487 struct qdio_outbuf_state *bufstates;
488 struct qeth_out_q_stats stats;
489 u8 next_buf_to_fill;
490 u8 max_elements;
491 u8 queue_no;
492 u8 do_pack;
493 struct qeth_card *card;
494 atomic_t state;
495
496
497
498
499 atomic_t used_buffers;
500
501 atomic_t set_pci_flags_count;
502};
503
504static inline bool qeth_out_queue_is_full(struct qeth_qdio_out_q *queue)
505{
506 return atomic_read(&queue->used_buffers) >= QDIO_MAX_BUFFERS_PER_Q;
507}
508
509struct qeth_qdio_info {
510 atomic_t state;
511
512 int no_in_queues;
513 struct qeth_qdio_q *in_q;
514 struct qeth_qdio_q *c_q;
515 struct qeth_qdio_buffer_pool in_buf_pool;
516 struct qeth_qdio_buffer_pool init_pool;
517 int in_buf_size;
518
519
520 int no_out_queues;
521 struct qeth_qdio_out_q *out_qs[QETH_MAX_QUEUES];
522 struct qdio_outbuf_state *out_bufstates;
523
524
525 int do_prio_queueing;
526 int default_out_queue;
527};
528
529
530
531
532enum qeth_channel_states {
533 CH_STATE_UP,
534 CH_STATE_DOWN,
535 CH_STATE_HALTED,
536 CH_STATE_STOPPED,
537};
538
539
540
541enum qeth_card_states {
542 CARD_STATE_DOWN,
543 CARD_STATE_HARDSETUP,
544 CARD_STATE_SOFTSETUP,
545};
546
547
548
549
550enum qeth_prot_versions {
551 QETH_PROT_NONE = 0x0000,
552 QETH_PROT_IPV4 = 0x0004,
553 QETH_PROT_IPV6 = 0x0006,
554};
555
556enum qeth_cq {
557 QETH_CQ_DISABLED = 0,
558 QETH_CQ_ENABLED = 1,
559 QETH_CQ_NOTAVAILABLE = 2,
560};
561
562struct qeth_ipato {
563 bool enabled;
564 bool invert4;
565 bool invert6;
566 struct list_head entries;
567};
568
569struct qeth_channel {
570 struct ccw_device *ccwdev;
571 enum qeth_channel_states state;
572 atomic_t irq_pending;
573};
574
575struct qeth_cmd_buffer {
576 unsigned int length;
577 refcount_t ref_count;
578 struct qeth_channel *channel;
579 struct qeth_reply *reply;
580 long timeout;
581 unsigned char *data;
582 void (*finalize)(struct qeth_card *card, struct qeth_cmd_buffer *iob);
583 void (*callback)(struct qeth_card *card, struct qeth_cmd_buffer *iob);
584};
585
586static inline void qeth_get_cmd(struct qeth_cmd_buffer *iob)
587{
588 refcount_inc(&iob->ref_count);
589}
590
591static inline struct qeth_ipa_cmd *__ipa_cmd(struct qeth_cmd_buffer *iob)
592{
593 return (struct qeth_ipa_cmd *)(iob->data + IPA_PDU_HEADER_SIZE);
594}
595
596static inline struct ccw1 *__ccw_from_cmd(struct qeth_cmd_buffer *iob)
597{
598 return (struct ccw1 *)(iob->data + ALIGN(iob->length, 8));
599}
600
601static inline bool qeth_trylock_channel(struct qeth_channel *channel)
602{
603 return atomic_cmpxchg(&channel->irq_pending, 0, 1) == 0;
604}
605
606
607
608
609struct qeth_token {
610 __u32 issuer_rm_w;
611 __u32 issuer_rm_r;
612 __u32 cm_filter_w;
613 __u32 cm_filter_r;
614 __u32 cm_connection_w;
615 __u32 cm_connection_r;
616 __u32 ulp_filter_w;
617 __u32 ulp_filter_r;
618 __u32 ulp_connection_w;
619 __u32 ulp_connection_r;
620};
621
622struct qeth_seqno {
623 __u32 trans_hdr;
624 __u32 pdu_hdr;
625 __u32 pdu_hdr_ack;
626 __u16 ipa;
627};
628
629struct qeth_reply {
630 struct list_head list;
631 struct completion received;
632 spinlock_t lock;
633 int (*callback)(struct qeth_card *, struct qeth_reply *,
634 unsigned long);
635 u32 seqno;
636 unsigned long offset;
637 int rc;
638 void *param;
639 refcount_t refcnt;
640};
641
642struct qeth_card_blkt {
643 int time_total;
644 int inter_packet;
645 int inter_packet_jumbo;
646};
647
648#define QETH_BROADCAST_WITH_ECHO 0x01
649#define QETH_BROADCAST_WITHOUT_ECHO 0x02
650#define QETH_LAYER2_MAC_REGISTERED 0x02
651struct qeth_card_info {
652 unsigned short unit_addr2;
653 unsigned short cula;
654 unsigned short chpid;
655 __u16 func_level;
656 char mcl_level[QETH_MCL_LENGTH + 1];
657 u8 open_when_online:1;
658 u8 use_v1_blkt:1;
659 u8 is_vm_nic:1;
660 int mac_bits;
661 enum qeth_card_types type;
662 enum qeth_link_types link_type;
663 int broadcast_capable;
664 int unique_id;
665 bool layer_enforced;
666 struct qeth_card_blkt blkt;
667 enum qeth_ipa_promisc_modes promisc_mode;
668 __u32 diagass_support;
669 __u32 hwtrap;
670};
671
672enum qeth_discipline_id {
673 QETH_DISCIPLINE_UNDETERMINED = -1,
674 QETH_DISCIPLINE_LAYER3 = 0,
675 QETH_DISCIPLINE_LAYER2 = 1,
676};
677
678struct qeth_card_options {
679 struct qeth_routing_info route4;
680 struct qeth_ipa_info ipa4;
681 struct qeth_ipa_info adp;
682 struct qeth_routing_info route6;
683 struct qeth_ipa_info ipa6;
684 struct qeth_sbp_info sbp;
685 struct qeth_vnicc_info vnicc;
686 int fake_broadcast;
687 enum qeth_discipline_id layer;
688 int rx_sg_cb;
689 enum qeth_ipa_isolation_modes isolation;
690 enum qeth_ipa_isolation_modes prev_isolation;
691 int sniffer;
692 enum qeth_cq cq;
693 char hsuid[9];
694};
695
696#define IS_LAYER2(card) ((card)->options.layer == QETH_DISCIPLINE_LAYER2)
697#define IS_LAYER3(card) ((card)->options.layer == QETH_DISCIPLINE_LAYER3)
698
699
700
701
702enum qeth_threads {
703 QETH_RECOVER_THREAD = 1,
704};
705
706struct qeth_osn_info {
707 int (*assist_cb)(struct net_device *dev, void *data);
708 int (*data_cb)(struct sk_buff *skb);
709};
710
711struct qeth_discipline {
712 const struct device_type *devtype;
713 int (*process_rx_buffer)(struct qeth_card *card, int budget, int *done);
714 int (*recover)(void *ptr);
715 int (*setup) (struct ccwgroup_device *);
716 void (*remove) (struct ccwgroup_device *);
717 int (*set_online) (struct ccwgroup_device *);
718 int (*set_offline) (struct ccwgroup_device *);
719 int (*do_ioctl)(struct net_device *dev, struct ifreq *rq, int cmd);
720 int (*control_event_handler)(struct qeth_card *card,
721 struct qeth_ipa_cmd *cmd);
722};
723
724enum qeth_addr_disposition {
725 QETH_DISP_ADDR_DELETE = 0,
726 QETH_DISP_ADDR_DO_NOTHING = 1,
727 QETH_DISP_ADDR_ADD = 2,
728};
729
730struct qeth_rx {
731 int b_count;
732 int b_index;
733 struct qdio_buffer_element *b_element;
734 int e_offset;
735 int qdio_err;
736};
737
738struct carrier_info {
739 __u8 card_type;
740 __u16 port_mode;
741 __u32 port_speed;
742};
743
744struct qeth_switch_info {
745 __u32 capabilities;
746 __u32 settings;
747};
748
749#define QETH_NAPI_WEIGHT NAPI_POLL_WEIGHT
750
751struct qeth_card {
752 enum qeth_card_states state;
753 spinlock_t lock;
754 struct ccwgroup_device *gdev;
755 struct qeth_cmd_buffer *read_cmd;
756 struct qeth_channel read;
757 struct qeth_channel write;
758 struct qeth_channel data;
759
760 struct net_device *dev;
761 struct qeth_card_stats stats;
762 struct qeth_card_info info;
763 struct qeth_token token;
764 struct qeth_seqno seqno;
765 struct qeth_card_options options;
766
767 struct workqueue_struct *event_wq;
768 struct workqueue_struct *cmd_wq;
769 wait_queue_head_t wait_q;
770 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
771 DECLARE_HASHTABLE(mac_htable, 4);
772 DECLARE_HASHTABLE(ip_htable, 4);
773 struct mutex ip_lock;
774 DECLARE_HASHTABLE(ip_mc_htable, 4);
775 struct work_struct rx_mode_work;
776 struct work_struct kernel_thread_starter;
777 spinlock_t thread_mask_lock;
778 unsigned long thread_start_mask;
779 unsigned long thread_allowed_mask;
780 unsigned long thread_running_mask;
781 struct qeth_ipato ipato;
782 struct list_head cmd_waiter_list;
783
784 struct qeth_qdio_info qdio;
785 int read_or_write_problem;
786 struct qeth_osn_info osn_info;
787 struct qeth_discipline *discipline;
788 atomic_t force_alloc_skb;
789 struct service_level qeth_service_level;
790 struct qdio_ssqd_desc ssqd;
791 debug_info_t *debug;
792 struct mutex conf_mutex;
793 struct mutex discipline_mutex;
794 struct napi_struct napi;
795 struct qeth_rx rx;
796 struct delayed_work buffer_reclaim_work;
797 int reclaim_index;
798 struct work_struct close_dev_work;
799};
800
801static inline bool qeth_card_hw_is_reachable(struct qeth_card *card)
802{
803 return card->state == CARD_STATE_SOFTSETUP;
804}
805
806struct qeth_trap_id {
807 __u16 lparnr;
808 char vmname[8];
809 __u8 chpid;
810 __u8 ssid;
811 __u16 devno;
812} __packed;
813
814
815#define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "")
816
817static inline bool qeth_netdev_is_registered(struct net_device *dev)
818{
819 return dev->netdev_ops != NULL;
820}
821
822static inline u16 qeth_iqd_translate_txq(struct net_device *dev, u16 txq)
823{
824 if (txq == QETH_IQD_MCAST_TXQ)
825 return dev->num_tx_queues - 1;
826 if (txq == dev->num_tx_queues - 1)
827 return QETH_IQD_MCAST_TXQ;
828 return txq;
829}
830
831static inline void qeth_scrub_qdio_buffer(struct qdio_buffer *buf,
832 unsigned int elements)
833{
834 unsigned int i;
835
836 for (i = 0; i < elements; i++)
837 memset(&buf->element[i], 0, sizeof(struct qdio_buffer_element));
838 buf->element[14].sflags = 0;
839 buf->element[15].sflags = 0;
840}
841
842
843
844
845
846
847
848
849
850static inline int qeth_get_elements_for_range(addr_t start, addr_t end)
851{
852 return PFN_UP(end) - PFN_DOWN(start);
853}
854
855static inline int qeth_get_ip_version(struct sk_buff *skb)
856{
857 struct vlan_ethhdr *veth = vlan_eth_hdr(skb);
858 __be16 prot = veth->h_vlan_proto;
859
860 if (prot == htons(ETH_P_8021Q))
861 prot = veth->h_vlan_encapsulated_proto;
862
863 switch (prot) {
864 case htons(ETH_P_IPV6):
865 return 6;
866 case htons(ETH_P_IP):
867 return 4;
868 default:
869 return 0;
870 }
871}
872
873static inline int qeth_get_ether_cast_type(struct sk_buff *skb)
874{
875 u8 *addr = eth_hdr(skb)->h_dest;
876
877 if (is_multicast_ether_addr(addr))
878 return is_broadcast_ether_addr(addr) ? RTN_BROADCAST :
879 RTN_MULTICAST;
880 return RTN_UNICAST;
881}
882
883static inline struct dst_entry *qeth_dst_check_rcu(struct sk_buff *skb, int ipv)
884{
885 struct dst_entry *dst = skb_dst(skb);
886 struct rt6_info *rt;
887
888 rt = (struct rt6_info *) dst;
889 if (dst)
890 dst = dst_check(dst, (ipv == 6) ? rt6_get_cookie(rt) : 0);
891 return dst;
892}
893
894static inline void qeth_rx_csum(struct qeth_card *card, struct sk_buff *skb,
895 u8 flags)
896{
897 if ((card->dev->features & NETIF_F_RXCSUM) &&
898 (flags & QETH_HDR_EXT_CSUM_TRANSP_REQ)) {
899 skb->ip_summed = CHECKSUM_UNNECESSARY;
900 QETH_CARD_STAT_INC(card, rx_skb_csum);
901 } else {
902 skb->ip_summed = CHECKSUM_NONE;
903 }
904}
905
906static inline void qeth_tx_csum(struct sk_buff *skb, u8 *flags, int ipv)
907{
908 *flags |= QETH_HDR_EXT_CSUM_TRANSP_REQ;
909 if ((ipv == 4 && ip_hdr(skb)->protocol == IPPROTO_UDP) ||
910 (ipv == 6 && ipv6_hdr(skb)->nexthdr == IPPROTO_UDP))
911 *flags |= QETH_HDR_EXT_UDP;
912}
913
914static inline void qeth_put_buffer_pool_entry(struct qeth_card *card,
915 struct qeth_buffer_pool_entry *entry)
916{
917 list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list);
918}
919
920static inline int qeth_is_diagass_supported(struct qeth_card *card,
921 enum qeth_diags_cmds cmd)
922{
923 return card->info.diagass_support & (__u32)cmd;
924}
925
926int qeth_send_simple_setassparms_prot(struct qeth_card *card,
927 enum qeth_ipa_funcs ipa_func,
928 u16 cmd_code, u32 *data,
929 enum qeth_prot_versions prot);
930
931static inline int qeth_send_simple_setassparms(struct qeth_card *card,
932 enum qeth_ipa_funcs ipa_func,
933 u16 cmd_code, u32 *data)
934{
935 return qeth_send_simple_setassparms_prot(card, ipa_func, cmd_code,
936 data, QETH_PROT_IPV4);
937}
938
939static inline int qeth_send_simple_setassparms_v6(struct qeth_card *card,
940 enum qeth_ipa_funcs ipa_func,
941 u16 cmd_code, u32 *data)
942{
943 return qeth_send_simple_setassparms_prot(card, ipa_func, cmd_code,
944 data, QETH_PROT_IPV6);
945}
946
947int qeth_get_priority_queue(struct qeth_card *card, struct sk_buff *skb);
948
949extern struct qeth_discipline qeth_l2_discipline;
950extern struct qeth_discipline qeth_l3_discipline;
951extern const struct ethtool_ops qeth_ethtool_ops;
952extern const struct ethtool_ops qeth_osn_ethtool_ops;
953extern const struct attribute_group *qeth_generic_attr_groups[];
954extern const struct attribute_group *qeth_osn_attr_groups[];
955extern const struct attribute_group qeth_device_attr_group;
956extern const struct attribute_group qeth_device_blkt_group;
957extern const struct device_type qeth_generic_devtype;
958
959const char *qeth_get_cardname_short(struct qeth_card *);
960int qeth_realloc_buffer_pool(struct qeth_card *, int);
961int qeth_core_load_discipline(struct qeth_card *, enum qeth_discipline_id);
962void qeth_core_free_discipline(struct qeth_card *);
963
964
965extern struct kmem_cache *qeth_core_header_cache;
966extern struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS];
967
968struct net_device *qeth_clone_netdev(struct net_device *orig);
969struct qeth_card *qeth_get_card_by_busid(char *bus_id);
970void qeth_set_allowed_threads(struct qeth_card *, unsigned long , int);
971int qeth_threads_running(struct qeth_card *, unsigned long);
972int qeth_do_run_thread(struct qeth_card *, unsigned long);
973void qeth_clear_thread_start_bit(struct qeth_card *, unsigned long);
974void qeth_clear_thread_running_bit(struct qeth_card *, unsigned long);
975int qeth_core_hardsetup_card(struct qeth_card *card, bool *carrier_ok);
976void qeth_print_status_message(struct qeth_card *);
977int qeth_init_qdio_queues(struct qeth_card *);
978int qeth_send_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *,
979 int (*reply_cb)
980 (struct qeth_card *, struct qeth_reply *, unsigned long),
981 void *);
982struct qeth_cmd_buffer *qeth_ipa_alloc_cmd(struct qeth_card *card,
983 enum qeth_ipa_cmds cmd_code,
984 enum qeth_prot_versions prot,
985 unsigned int data_length);
986struct qeth_cmd_buffer *qeth_alloc_cmd(struct qeth_channel *channel,
987 unsigned int length, unsigned int ccws,
988 long timeout);
989struct qeth_cmd_buffer *qeth_get_setassparms_cmd(struct qeth_card *card,
990 enum qeth_ipa_funcs ipa_func,
991 u16 cmd_code,
992 unsigned int data_length,
993 enum qeth_prot_versions prot);
994struct qeth_cmd_buffer *qeth_get_diag_cmd(struct qeth_card *card,
995 enum qeth_diags_cmds sub_cmd,
996 unsigned int data_length);
997void qeth_put_cmd(struct qeth_cmd_buffer *iob);
998
999struct sk_buff *qeth_core_get_next_skb(struct qeth_card *,
1000 struct qeth_qdio_buffer *, struct qdio_buffer_element **, int *,
1001 struct qeth_hdr **);
1002void qeth_schedule_recovery(struct qeth_card *);
1003int qeth_poll(struct napi_struct *napi, int budget);
1004void qeth_clear_ipacmd_list(struct qeth_card *);
1005int qeth_qdio_clear_card(struct qeth_card *, int);
1006void qeth_clear_working_pool_list(struct qeth_card *);
1007void qeth_drain_output_queues(struct qeth_card *card);
1008void qeth_setadp_promisc_mode(struct qeth_card *);
1009int qeth_setadpparms_change_macaddr(struct qeth_card *);
1010void qeth_tx_timeout(struct net_device *);
1011void qeth_notify_reply(struct qeth_reply *reply, int reason);
1012void qeth_prepare_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
1013 u16 cmd_length);
1014int qeth_query_switch_attributes(struct qeth_card *card,
1015 struct qeth_switch_info *sw_info);
1016int qeth_query_card_info(struct qeth_card *card,
1017 struct carrier_info *carrier_info);
1018unsigned int qeth_count_elements(struct sk_buff *skb, unsigned int data_offset);
1019int qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue,
1020 struct sk_buff *skb, struct qeth_hdr *hdr,
1021 unsigned int offset, unsigned int hd_len,
1022 int elements_needed);
1023int qeth_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1024void qeth_dbf_longtext(debug_info_t *id, int level, char *text, ...);
1025int qeth_set_access_ctrl_online(struct qeth_card *card, int fallback);
1026int qeth_configure_cq(struct qeth_card *, enum qeth_cq);
1027int qeth_hw_trap(struct qeth_card *, enum qeth_diags_trap_action);
1028void qeth_trace_features(struct qeth_card *);
1029int qeth_setassparms_cb(struct qeth_card *, struct qeth_reply *, unsigned long);
1030int qeth_set_features(struct net_device *, netdev_features_t);
1031void qeth_enable_hw_features(struct net_device *dev);
1032netdev_features_t qeth_fix_features(struct net_device *, netdev_features_t);
1033netdev_features_t qeth_features_check(struct sk_buff *skb,
1034 struct net_device *dev,
1035 netdev_features_t features);
1036void qeth_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats);
1037u16 qeth_iqd_select_queue(struct net_device *dev, struct sk_buff *skb,
1038 u8 cast_type, struct net_device *sb_dev);
1039int qeth_open(struct net_device *dev);
1040int qeth_stop(struct net_device *dev);
1041
1042int qeth_vm_request_mac(struct qeth_card *card);
1043int qeth_xmit(struct qeth_card *card, struct sk_buff *skb,
1044 struct qeth_qdio_out_q *queue, int ipv,
1045 void (*fill_header)(struct qeth_qdio_out_q *queue,
1046 struct qeth_hdr *hdr, struct sk_buff *skb,
1047 int ipv, unsigned int data_len));
1048
1049
1050int qeth_osn_assist(struct net_device *, void *, int);
1051int qeth_osn_register(unsigned char *read_dev_no, struct net_device **,
1052 int (*assist_cb)(struct net_device *, void *),
1053 int (*data_cb)(struct sk_buff *));
1054void qeth_osn_deregister(struct net_device *);
1055
1056#endif
1057
