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1/*
2 * drivers/s390/net/qeth_core.h
3 *
4 * Copyright IBM Corp. 2007
5 * Author(s): Utz Bacher <utz.bacher@de.ibm.com>,
6 * Frank Pavlic <fpavlic@de.ibm.com>,
7 * Thomas Spatzier <tspat@de.ibm.com>,
8 * Frank Blaschka <frank.blaschka@de.ibm.com>
9 */
10
11#ifndef __QETH_CORE_H__
12#define __QETH_CORE_H__
13
14#include <linux/if.h>
15#include <linux/if_arp.h>
16#include <linux/if_tr.h>
17#include <linux/trdevice.h>
18#include <linux/etherdevice.h>
19#include <linux/if_vlan.h>
20#include <linux/ctype.h>
21#include <linux/in6.h>
22#include <linux/bitops.h>
23#include <linux/seq_file.h>
24#include <linux/ethtool.h>
25
26#include <net/ipv6.h>
27#include <net/if_inet6.h>
28#include <net/addrconf.h>
29
30#include <asm/debug.h>
31#include <asm/qdio.h>
32#include <asm/ccwdev.h>
33#include <asm/ccwgroup.h>
34#include <asm/sysinfo.h>
35
36#include "qeth_core_mpc.h"
37
38/**
39 * Debug Facility stuff
40 */
41enum qeth_dbf_names {
42 QETH_DBF_SETUP,
43 QETH_DBF_MSG,
44 QETH_DBF_CTRL,
45 QETH_DBF_INFOS /* must be last element */
46};
47
48struct qeth_dbf_info {
49 char name[DEBUG_MAX_NAME_LEN];
50 int pages;
51 int areas;
52 int len;
53 int level;
54 struct debug_view *view;
55 debug_info_t *id;
56};
57
58#define QETH_DBF_CTRL_LEN 256
59
60#define QETH_DBF_TEXT(name, level, text) \
61 debug_text_event(qeth_dbf[QETH_DBF_##name].id, level, text)
62
63#define QETH_DBF_HEX(name, level, addr, len) \
64 debug_event(qeth_dbf[QETH_DBF_##name].id, level, (void *)(addr), len)
65
66#define QETH_DBF_MESSAGE(level, text...) \
67 debug_sprintf_event(qeth_dbf[QETH_DBF_MSG].id, level, text)
68
69#define QETH_DBF_TEXT_(name, level, text...) \
70 qeth_dbf_longtext(qeth_dbf[QETH_DBF_##name].id, level, text)
71
72#define QETH_CARD_TEXT(card, level, text) \
73 debug_text_event(card->debug, level, text)
74
75#define QETH_CARD_HEX(card, level, addr, len) \
76 debug_event(card->debug, level, (void *)(addr), len)
77
78#define QETH_CARD_MESSAGE(card, text...) \
79 debug_sprintf_event(card->debug, level, text)
80
81#define QETH_CARD_TEXT_(card, level, text...) \
82 qeth_dbf_longtext(card->debug, level, text)
83
84#define SENSE_COMMAND_REJECT_BYTE 0
85#define SENSE_COMMAND_REJECT_FLAG 0x80
86#define SENSE_RESETTING_EVENT_BYTE 1
87#define SENSE_RESETTING_EVENT_FLAG 0x80
88
89/*
90 * Common IO related definitions
91 */
92#define CARD_RDEV(card) card->read.ccwdev
93#define CARD_WDEV(card) card->write.ccwdev
94#define CARD_DDEV(card) card->data.ccwdev
95#define CARD_BUS_ID(card) dev_name(&card->gdev->dev)
96#define CARD_RDEV_ID(card) dev_name(&card->read.ccwdev->dev)
97#define CARD_WDEV_ID(card) dev_name(&card->write.ccwdev->dev)
98#define CARD_DDEV_ID(card) dev_name(&card->data.ccwdev->dev)
99#define CHANNEL_ID(channel) dev_name(&channel->ccwdev->dev)
100
101/**
102 * card stuff
103 */
104struct qeth_perf_stats {
105 unsigned int bufs_rec;
106 unsigned int bufs_sent;
107
108 unsigned int skbs_sent_pack;
109 unsigned int bufs_sent_pack;
110
111 unsigned int sc_dp_p;
112 unsigned int sc_p_dp;
113 /* qdio_input_handler: number of times called, time spent in */
114 __u64 inbound_start_time;
115 unsigned int inbound_cnt;
116 unsigned int inbound_time;
117 /* qeth_send_packet: number of times called, time spent in */
118 __u64 outbound_start_time;
119 unsigned int outbound_cnt;
120 unsigned int outbound_time;
121 /* qdio_output_handler: number of times called, time spent in */
122 __u64 outbound_handler_start_time;
123 unsigned int outbound_handler_cnt;
124 unsigned int outbound_handler_time;
125 /* number of calls to and time spent in do_QDIO for inbound queue */
126 __u64 inbound_do_qdio_start_time;
127 unsigned int inbound_do_qdio_cnt;
128 unsigned int inbound_do_qdio_time;
129 /* number of calls to and time spent in do_QDIO for outbound queues */
130 __u64 outbound_do_qdio_start_time;
131 unsigned int outbound_do_qdio_cnt;
132 unsigned int outbound_do_qdio_time;
133 unsigned int large_send_bytes;
134 unsigned int large_send_cnt;
135 unsigned int sg_skbs_sent;
136 unsigned int sg_frags_sent;
137 /* initial values when measuring starts */
138 unsigned long initial_rx_packets;
139 unsigned long initial_tx_packets;
140 /* inbound scatter gather data */
141 unsigned int sg_skbs_rx;
142 unsigned int sg_frags_rx;
143 unsigned int sg_alloc_page_rx;
144 unsigned int tx_csum;
145 unsigned int tx_lin;
146};
147
148/* Routing stuff */
149struct qeth_routing_info {
150 enum qeth_routing_types type;
151};
152
153/* IPA stuff */
154struct qeth_ipa_info {
155 __u32 supported_funcs;
156 __u32 enabled_funcs;
157};
158
159static inline int qeth_is_ipa_supported(struct qeth_ipa_info *ipa,
160 enum qeth_ipa_funcs func)
161{
162 return (ipa->supported_funcs & func);
163}
164
165static inline int qeth_is_ipa_enabled(struct qeth_ipa_info *ipa,
166 enum qeth_ipa_funcs func)
167{
168 return (ipa->supported_funcs & ipa->enabled_funcs & func);
169}
170
171#define qeth_adp_supported(c, f) \
172 qeth_is_ipa_supported(&c->options.adp, f)
173#define qeth_adp_enabled(c, f) \
174 qeth_is_ipa_enabled(&c->options.adp, f)
175#define qeth_is_supported(c, f) \
176 qeth_is_ipa_supported(&c->options.ipa4, f)
177#define qeth_is_enabled(c, f) \
178 qeth_is_ipa_enabled(&c->options.ipa4, f)
179#define qeth_is_supported6(c, f) \
180 qeth_is_ipa_supported(&c->options.ipa6, f)
181#define qeth_is_enabled6(c, f) \
182 qeth_is_ipa_enabled(&c->options.ipa6, f)
183#define qeth_is_ipafunc_supported(c, prot, f) \
184 ((prot == QETH_PROT_IPV6) ? \
185 qeth_is_supported6(c, f) : qeth_is_supported(c, f))
186#define qeth_is_ipafunc_enabled(c, prot, f) \
187 ((prot == QETH_PROT_IPV6) ? \
188 qeth_is_enabled6(c, f) : qeth_is_enabled(c, f))
189
190#define QETH_IDX_FUNC_LEVEL_OSD 0x0101
191#define QETH_IDX_FUNC_LEVEL_IQD 0x4108
192
193#define QETH_MODELLIST_ARRAY \
194 {{0x1731, 0x01, 0x1732, QETH_CARD_TYPE_OSD, QETH_MAX_QUEUES, 0}, \
195 {0x1731, 0x05, 0x1732, QETH_CARD_TYPE_IQD, QETH_MAX_QUEUES, 0x103}, \
196 {0x1731, 0x06, 0x1732, QETH_CARD_TYPE_OSN, QETH_MAX_QUEUES, 0}, \
197 {0x1731, 0x02, 0x1732, QETH_CARD_TYPE_OSM, QETH_MAX_QUEUES, 0}, \
198 {0x1731, 0x02, 0x1732, QETH_CARD_TYPE_OSX, QETH_MAX_QUEUES, 0}, \
199 {0, 0, 0, 0, 0, 0} }
200#define QETH_CU_TYPE_IND 0
201#define QETH_CU_MODEL_IND 1
202#define QETH_DEV_TYPE_IND 2
203#define QETH_DEV_MODEL_IND 3
204#define QETH_QUEUE_NO_IND 4
205#define QETH_MULTICAST_IND 5
206
207#define QETH_REAL_CARD 1
208#define QETH_VLAN_CARD 2
209#define QETH_BUFSIZE 4096
210
211/**
212 * some more defs
213 */
214#define QETH_TX_TIMEOUT 100 * HZ
215#define QETH_RCD_TIMEOUT 60 * HZ
216#define QETH_HEADER_SIZE 32
217#define QETH_MAX_PORTNO 15
218
219/*IPv6 address autoconfiguration stuff*/
220#define UNIQUE_ID_IF_CREATE_ADDR_FAILED 0xfffe
221#define UNIQUE_ID_NOT_BY_CARD 0x10000
222
223/*****************************************************************************/
224/* QDIO queue and buffer handling */
225/*****************************************************************************/
226#define QETH_MAX_QUEUES 4
227#define QETH_IN_BUF_SIZE_DEFAULT 65536
228#define QETH_IN_BUF_COUNT_DEFAULT 64
229#define QETH_IN_BUF_COUNT_HSDEFAULT 128
230#define QETH_IN_BUF_COUNT_MIN 8
231#define QETH_IN_BUF_COUNT_MAX 128
232#define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12)
233#define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \
234 ((card)->qdio.in_buf_pool.buf_count / 2)
235
236/* buffers we have to be behind before we get a PCI */
237#define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1)
238/*enqueued free buffers left before we get a PCI*/
239#define QETH_PCI_THRESHOLD_B(card) 0
240/*not used unless the microcode gets patched*/
241#define QETH_PCI_TIMER_VALUE(card) 3
242
243/* priority queing */
244#define QETH_PRIOQ_DEFAULT QETH_NO_PRIO_QUEUEING
245#define QETH_DEFAULT_QUEUE 2
246#define QETH_NO_PRIO_QUEUEING 0
247#define QETH_PRIO_Q_ING_PREC 1
248#define QETH_PRIO_Q_ING_TOS 2
249#define IP_TOS_LOWDELAY 0x10
250#define IP_TOS_HIGHTHROUGHPUT 0x08
251#define IP_TOS_HIGHRELIABILITY 0x04
252#define IP_TOS_NOTIMPORTANT 0x02
253
254/* Packing */
255#define QETH_LOW_WATERMARK_PACK 2
256#define QETH_HIGH_WATERMARK_PACK 5
257#define QETH_WATERMARK_PACK_FUZZ 1
258
259#define QETH_IP_HEADER_SIZE 40
260
261/* large receive scatter gather copy break */
262#define QETH_RX_SG_CB (PAGE_SIZE >> 1)
263
264struct qeth_hdr_layer3 {
265 __u8 id;
266 __u8 flags;
267 __u16 inbound_checksum; /*TSO:__u16 seqno */
268 __u32 token; /*TSO: __u32 reserved */
269 __u16 length;
270 __u8 vlan_prio;
271 __u8 ext_flags;
272 __u16 vlan_id;
273 __u16 frame_offset;
274 __u8 dest_addr[16];
275} __attribute__ ((packed));
276
277struct qeth_hdr_layer2 {
278 __u8 id;
279 __u8 flags[3];
280 __u8 port_no;
281 __u8 hdr_length;
282 __u16 pkt_length;
283 __u16 seq_no;
284 __u16 vlan_id;
285 __u32 reserved;
286 __u8 reserved2[16];
287} __attribute__ ((packed));
288
289struct qeth_hdr_osn {
290 __u8 id;
291 __u8 reserved;
292 __u16 seq_no;
293 __u16 reserved2;
294 __u16 control_flags;
295 __u16 pdu_length;
296 __u8 reserved3[18];
297 __u32 ccid;
298} __attribute__ ((packed));
299
300struct qeth_hdr {
301 union {
302 struct qeth_hdr_layer2 l2;
303 struct qeth_hdr_layer3 l3;
304 struct qeth_hdr_osn osn;
305 } hdr;
306} __attribute__ ((packed));
307
308/*TCP Segmentation Offload header*/
309struct qeth_hdr_ext_tso {
310 __u16 hdr_tot_len;
311 __u8 imb_hdr_no;
312 __u8 reserved;
313 __u8 hdr_type;
314 __u8 hdr_version;
315 __u16 hdr_len;
316 __u32 payload_len;
317 __u16 mss;
318 __u16 dg_hdr_len;
319 __u8 padding[16];
320} __attribute__ ((packed));
321
322struct qeth_hdr_tso {
323 struct qeth_hdr hdr; /*hdr->hdr.l3.xxx*/
324 struct qeth_hdr_ext_tso ext;
325} __attribute__ ((packed));
326
327
328/* flags for qeth_hdr.flags */
329#define QETH_HDR_PASSTHRU 0x10
330#define QETH_HDR_IPV6 0x80
331#define QETH_HDR_CAST_MASK 0x07
332enum qeth_cast_flags {
333 QETH_CAST_UNICAST = 0x06,
334 QETH_CAST_MULTICAST = 0x04,
335 QETH_CAST_BROADCAST = 0x05,
336 QETH_CAST_ANYCAST = 0x07,
337 QETH_CAST_NOCAST = 0x00,
338};
339
340enum qeth_layer2_frame_flags {
341 QETH_LAYER2_FLAG_MULTICAST = 0x01,
342 QETH_LAYER2_FLAG_BROADCAST = 0x02,
343 QETH_LAYER2_FLAG_UNICAST = 0x04,
344 QETH_LAYER2_FLAG_VLAN = 0x10,
345};
346
347enum qeth_header_ids {
348 QETH_HEADER_TYPE_LAYER3 = 0x01,
349 QETH_HEADER_TYPE_LAYER2 = 0x02,
350 QETH_HEADER_TYPE_TSO = 0x03,
351 QETH_HEADER_TYPE_OSN = 0x04,
352};
353/* flags for qeth_hdr.ext_flags */
354#define QETH_HDR_EXT_VLAN_FRAME 0x01
355#define QETH_HDR_EXT_TOKEN_ID 0x02
356#define QETH_HDR_EXT_INCLUDE_VLAN_TAG 0x04
357#define QETH_HDR_EXT_SRC_MAC_ADDR 0x08
358#define QETH_HDR_EXT_CSUM_HDR_REQ 0x10
359#define QETH_HDR_EXT_CSUM_TRANSP_REQ 0x20
360#define QETH_HDR_EXT_UDP 0x40 /*bit off for TCP*/
361
362static inline int qeth_is_last_sbale(struct qdio_buffer_element *sbale)
363{
364 return (sbale->eflags & SBAL_EFLAGS_LAST_ENTRY);
365}
366
367enum qeth_qdio_buffer_states {
368 /*
369 * inbound: read out by driver; owned by hardware in order to be filled
370 * outbound: owned by driver in order to be filled
371 */
372 QETH_QDIO_BUF_EMPTY,
373 /*
374 * inbound: filled by hardware; owned by driver in order to be read out
375 * outbound: filled by driver; owned by hardware in order to be sent
376 */
377 QETH_QDIO_BUF_PRIMED,
378};
379
380enum qeth_qdio_info_states {
381 QETH_QDIO_UNINITIALIZED,
382 QETH_QDIO_ALLOCATED,
383 QETH_QDIO_ESTABLISHED,
384 QETH_QDIO_CLEANING
385};
386
387struct qeth_buffer_pool_entry {
388 struct list_head list;
389 struct list_head init_list;
390 void *elements[QDIO_MAX_ELEMENTS_PER_BUFFER];
391};
392
393struct qeth_qdio_buffer_pool {
394 struct list_head entry_list;
395 int buf_count;
396};
397
398struct qeth_qdio_buffer {
399 struct qdio_buffer *buffer;
400 /* the buffer pool entry currently associated to this buffer */
401 struct qeth_buffer_pool_entry *pool_entry;
402};
403
404struct qeth_qdio_q {
405 struct qdio_buffer qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
406 struct qeth_qdio_buffer bufs[QDIO_MAX_BUFFERS_PER_Q];
407 int next_buf_to_init;
408} __attribute__ ((aligned(256)));
409
410struct qeth_qdio_out_buffer {
411 struct qdio_buffer *buffer;
412 atomic_t state;
413 int next_element_to_fill;
414 struct sk_buff_head skb_list;
415 struct list_head ctx_list;
416 int is_header[16];
417};
418
419struct qeth_card;
420
421enum qeth_out_q_states {
422 QETH_OUT_Q_UNLOCKED,
423 QETH_OUT_Q_LOCKED,
424 QETH_OUT_Q_LOCKED_FLUSH,
425};
426
427struct qeth_qdio_out_q {
428 struct qdio_buffer qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
429 struct qeth_qdio_out_buffer bufs[QDIO_MAX_BUFFERS_PER_Q];
430 int queue_no;
431 struct qeth_card *card;
432 atomic_t state;
433 int do_pack;
434 /*
435 * index of buffer to be filled by driver; state EMPTY or PACKING
436 */
437 int next_buf_to_fill;
438 /*
439 * number of buffers that are currently filled (PRIMED)
440 * -> these buffers are hardware-owned
441 */
442 atomic_t used_buffers;
443 /* indicates whether PCI flag must be set (or if one is outstanding) */
444 atomic_t set_pci_flags_count;
445} __attribute__ ((aligned(256)));
446
447struct qeth_qdio_info {
448 atomic_t state;
449 /* input */
450 struct qeth_qdio_q *in_q;
451 struct qeth_qdio_buffer_pool in_buf_pool;
452 struct qeth_qdio_buffer_pool init_pool;
453 int in_buf_size;
454
455 /* output */
456 int no_out_queues;
457 struct qeth_qdio_out_q **out_qs;
458
459 /* priority queueing */
460 int do_prio_queueing;
461 int default_out_queue;
462};
463
464enum qeth_send_errors {
465 QETH_SEND_ERROR_NONE,
466 QETH_SEND_ERROR_LINK_FAILURE,
467 QETH_SEND_ERROR_RETRY,
468 QETH_SEND_ERROR_KICK_IT,
469};
470
471#define QETH_ETH_MAC_V4 0x0100 /* like v4 */
472#define QETH_ETH_MAC_V6 0x3333 /* like v6 */
473/* tr mc mac is longer, but that will be enough to detect mc frames */
474#define QETH_TR_MAC_NC 0xc000 /* non-canonical */
475#define QETH_TR_MAC_C 0x0300 /* canonical */
476
477#define DEFAULT_ADD_HHLEN 0
478#define MAX_ADD_HHLEN 1024
479
480/**
481 * buffer stuff for read channel
482 */
483#define QETH_CMD_BUFFER_NO 8
484
485/**
486 * channel state machine
487 */
488enum qeth_channel_states {
489 CH_STATE_UP,
490 CH_STATE_DOWN,
491 CH_STATE_ACTIVATING,
492 CH_STATE_HALTED,
493 CH_STATE_STOPPED,
494 CH_STATE_RCD,
495 CH_STATE_RCD_DONE,
496};
497/**
498 * card state machine
499 */
500enum qeth_card_states {
501 CARD_STATE_DOWN,
502 CARD_STATE_HARDSETUP,
503 CARD_STATE_SOFTSETUP,
504 CARD_STATE_UP,
505 CARD_STATE_RECOVER,
506};
507
508/**
509 * Protocol versions
510 */
511enum qeth_prot_versions {
512 QETH_PROT_IPV4 = 0x0004,
513 QETH_PROT_IPV6 = 0x0006,
514};
515
516enum qeth_ip_types {
517 QETH_IP_TYPE_NORMAL,
518 QETH_IP_TYPE_VIPA,
519 QETH_IP_TYPE_RXIP,
520 QETH_IP_TYPE_DEL_ALL_MC,
521};
522
523enum qeth_cmd_buffer_state {
524 BUF_STATE_FREE,
525 BUF_STATE_LOCKED,
526 BUF_STATE_PROCESSED,
527};
528
529struct qeth_ipato {
530 int enabled;
531 int invert4;
532 int invert6;
533 struct list_head entries;
534};
535
536struct qeth_channel;
537
538struct qeth_cmd_buffer {
539 enum qeth_cmd_buffer_state state;
540 struct qeth_channel *channel;
541 unsigned char *data;
542 int rc;
543 void (*callback) (struct qeth_channel *, struct qeth_cmd_buffer *);
544};
545
546/**
547 * definition of a qeth channel, used for read and write
548 */
549struct qeth_channel {
550 enum qeth_channel_states state;
551 struct ccw1 ccw;
552 spinlock_t iob_lock;
553 wait_queue_head_t wait_q;
554 struct tasklet_struct irq_tasklet;
555 struct ccw_device *ccwdev;
556/*command buffer for control data*/
557 struct qeth_cmd_buffer iob[QETH_CMD_BUFFER_NO];
558 atomic_t irq_pending;
559 int io_buf_no;
560 int buf_no;
561};
562
563/**
564 * OSA card related definitions
565 */
566struct qeth_token {
567 __u32 issuer_rm_w;
568 __u32 issuer_rm_r;
569 __u32 cm_filter_w;
570 __u32 cm_filter_r;
571 __u32 cm_connection_w;
572 __u32 cm_connection_r;
573 __u32 ulp_filter_w;
574 __u32 ulp_filter_r;
575 __u32 ulp_connection_w;
576 __u32 ulp_connection_r;
577};
578
579struct qeth_seqno {
580 __u32 trans_hdr;
581 __u32 pdu_hdr;
582 __u32 pdu_hdr_ack;
583 __u16 ipa;
584 __u32 pkt_seqno;
585};
586
587struct qeth_reply {
588 struct list_head list;
589 wait_queue_head_t wait_q;
590 int (*callback)(struct qeth_card *, struct qeth_reply *,
591 unsigned long);
592 u32 seqno;
593 unsigned long offset;
594 atomic_t received;
595 int rc;
596 void *param;
597 struct qeth_card *card;
598 atomic_t refcnt;
599};
600
601
602struct qeth_card_blkt {
603 int time_total;
604 int inter_packet;
605 int inter_packet_jumbo;
606};
607
608#define QETH_BROADCAST_WITH_ECHO 0x01
609#define QETH_BROADCAST_WITHOUT_ECHO 0x02
610#define QETH_LAYER2_MAC_READ 0x01
611#define QETH_LAYER2_MAC_REGISTERED 0x02
612struct qeth_card_info {
613 unsigned short unit_addr2;
614 unsigned short cula;
615 unsigned short chpid;
616 __u16 func_level;
617 char mcl_level[QETH_MCL_LENGTH + 1];
618 int guestlan;
619 int mac_bits;
620 int portname_required;
621 int portno;
622 char portname[9];
623 enum qeth_card_types type;
624 enum qeth_link_types link_type;
625 int is_multicast_different;
626 int initial_mtu;
627 int max_mtu;
628 int broadcast_capable;
629 int unique_id;
630 struct qeth_card_blkt blkt;
631 __u32 csum_mask;
632 __u32 tx_csum_mask;
633 enum qeth_ipa_promisc_modes promisc_mode;
634 __u32 diagass_support;
635 __u32 hwtrap;
636};
637
638struct qeth_card_options {
639 struct qeth_routing_info route4;
640 struct qeth_ipa_info ipa4;
641 struct qeth_ipa_info adp; /*Adapter parameters*/
642 struct qeth_routing_info route6;
643 struct qeth_ipa_info ipa6;
644 int broadcast_mode;
645 int macaddr_mode;
646 int fake_broadcast;
647 int add_hhlen;
648 int layer2;
649 int performance_stats;
650 int rx_sg_cb;
651 enum qeth_ipa_isolation_modes isolation;
652 int sniffer;
653};
654
655/*
656 * thread bits for qeth_card thread masks
657 */
658enum qeth_threads {
659 QETH_RECOVER_THREAD = 1,
660};
661
662struct qeth_osn_info {
663 int (*assist_cb)(struct net_device *dev, void *data);
664 int (*data_cb)(struct sk_buff *skb);
665};
666
667enum qeth_discipline_id {
668 QETH_DISCIPLINE_LAYER3 = 0,
669 QETH_DISCIPLINE_LAYER2 = 1,
670};
671
672struct qeth_discipline {
673 void (*start_poll)(struct ccw_device *, int, unsigned long);
674 qdio_handler_t *input_handler;
675 qdio_handler_t *output_handler;
676 int (*recover)(void *ptr);
677 struct ccwgroup_driver *ccwgdriver;
678};
679
680struct qeth_vlan_vid {
681 struct list_head list;
682 unsigned short vid;
683};
684
685struct qeth_mc_mac {
686 struct list_head list;
687 __u8 mc_addr[MAX_ADDR_LEN];
688 unsigned char mc_addrlen;
689 int is_vmac;
690};
691
692struct qeth_rx {
693 int b_count;
694 int b_index;
695 struct qdio_buffer_element *b_element;
696 int e_offset;
697 int qdio_err;
698};
699
700#define QETH_NAPI_WEIGHT 128
701
702struct qeth_card {
703 struct list_head list;
704 enum qeth_card_states state;
705 int lan_online;
706 spinlock_t lock;
707 struct ccwgroup_device *gdev;
708 struct qeth_channel read;
709 struct qeth_channel write;
710 struct qeth_channel data;
711
712 struct net_device *dev;
713 struct net_device_stats stats;
714
715 struct qeth_card_info info;
716 struct qeth_token token;
717 struct qeth_seqno seqno;
718 struct qeth_card_options options;
719
720 wait_queue_head_t wait_q;
721 spinlock_t vlanlock;
722 spinlock_t mclock;
723 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
724 struct list_head vid_list;
725 struct list_head mc_list;
726 struct work_struct kernel_thread_starter;
727 spinlock_t thread_mask_lock;
728 unsigned long thread_start_mask;
729 unsigned long thread_allowed_mask;
730 unsigned long thread_running_mask;
731 spinlock_t ip_lock;
732 struct list_head ip_list;
733 struct list_head *ip_tbd_list;
734 struct qeth_ipato ipato;
735 struct list_head cmd_waiter_list;
736 /* QDIO buffer handling */
737 struct qeth_qdio_info qdio;
738 struct qeth_perf_stats perf_stats;
739 int read_or_write_problem;
740 struct qeth_osn_info osn_info;
741 struct qeth_discipline discipline;
742 atomic_t force_alloc_skb;
743 struct service_level qeth_service_level;
744 struct qdio_ssqd_desc ssqd;
745 debug_info_t *debug;
746 struct mutex conf_mutex;
747 struct mutex discipline_mutex;
748 struct napi_struct napi;
749 struct qeth_rx rx;
750};
751
752struct qeth_card_list_struct {
753 struct list_head list;
754 rwlock_t rwlock;
755};
756
757struct qeth_trap_id {
758 __u16 lparnr;
759 char vmname[8];
760 __u8 chpid;
761 __u8 ssid;
762 __u16 devno;
763} __packed;
764
765/*some helper functions*/
766#define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "")
767
768static inline struct qeth_card *CARD_FROM_CDEV(struct ccw_device *cdev)
769{
770 struct qeth_card *card = dev_get_drvdata(&((struct ccwgroup_device *)
771 dev_get_drvdata(&cdev->dev))->dev);
772 return card;
773}
774
775static inline int qeth_get_micros(void)
776{
777 return (int) (get_clock() >> 12);
778}
779
780static inline int qeth_get_ip_version(struct sk_buff *skb)
781{
782 struct ethhdr *ehdr = (struct ethhdr *)skb->data;
783 switch (ehdr->h_proto) {
784 case ETH_P_IPV6:
785 return 6;
786 case ETH_P_IP:
787 return 4;
788 default:
789 return 0;
790 }
791}
792
793static inline void qeth_put_buffer_pool_entry(struct qeth_card *card,
794 struct qeth_buffer_pool_entry *entry)
795{
796 list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list);
797}
798
799static inline int qeth_is_diagass_supported(struct qeth_card *card,
800 enum qeth_diags_cmds cmd)
801{
802 return card->info.diagass_support & (__u32)cmd;
803}
804
805extern struct ccwgroup_driver qeth_l2_ccwgroup_driver;
806extern struct ccwgroup_driver qeth_l3_ccwgroup_driver;
807const char *qeth_get_cardname_short(struct qeth_card *);
808int qeth_realloc_buffer_pool(struct qeth_card *, int);
809int qeth_core_load_discipline(struct qeth_card *, enum qeth_discipline_id);
810void qeth_core_free_discipline(struct qeth_card *);
811int qeth_core_create_device_attributes(struct device *);
812void qeth_core_remove_device_attributes(struct device *);
813int qeth_core_create_osn_attributes(struct device *);
814void qeth_core_remove_osn_attributes(struct device *);
815
816/* exports for qeth discipline device drivers */
817extern struct qeth_card_list_struct qeth_core_card_list;
818extern struct kmem_cache *qeth_core_header_cache;
819extern struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS];
820
821void qeth_set_allowed_threads(struct qeth_card *, unsigned long , int);
822int qeth_threads_running(struct qeth_card *, unsigned long);
823int qeth_wait_for_threads(struct qeth_card *, unsigned long);
824int qeth_do_run_thread(struct qeth_card *, unsigned long);
825void qeth_clear_thread_start_bit(struct qeth_card *, unsigned long);
826void qeth_clear_thread_running_bit(struct qeth_card *, unsigned long);
827int qeth_core_hardsetup_card(struct qeth_card *);
828void qeth_print_status_message(struct qeth_card *);
829int qeth_init_qdio_queues(struct qeth_card *);
830int qeth_send_startlan(struct qeth_card *);
831int qeth_send_stoplan(struct qeth_card *);
832int qeth_send_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *,
833 int (*reply_cb)
834 (struct qeth_card *, struct qeth_reply *, unsigned long),
835 void *);
836struct qeth_cmd_buffer *qeth_get_ipacmd_buffer(struct qeth_card *,
837 enum qeth_ipa_cmds, enum qeth_prot_versions);
838int qeth_query_setadapterparms(struct qeth_card *);
839int qeth_check_qdio_errors(struct qeth_card *, struct qdio_buffer *,
840 unsigned int, const char *);
841void qeth_queue_input_buffer(struct qeth_card *, int);
842struct sk_buff *qeth_core_get_next_skb(struct qeth_card *,
843 struct qdio_buffer *, struct qdio_buffer_element **, int *,
844 struct qeth_hdr **);
845void qeth_schedule_recovery(struct qeth_card *);
846void qeth_qdio_start_poll(struct ccw_device *, int, unsigned long);
847void qeth_qdio_input_handler(struct ccw_device *,
848 unsigned int, unsigned int, int,
849 int, unsigned long);
850void qeth_qdio_output_handler(struct ccw_device *, unsigned int,
851 int, int, int, unsigned long);
852void qeth_clear_ipacmd_list(struct qeth_card *);
853int qeth_qdio_clear_card(struct qeth_card *, int);
854void qeth_clear_working_pool_list(struct qeth_card *);
855void qeth_clear_cmd_buffers(struct qeth_channel *);
856void qeth_clear_qdio_buffers(struct qeth_card *);
857void qeth_setadp_promisc_mode(struct qeth_card *);
858struct net_device_stats *qeth_get_stats(struct net_device *);
859int qeth_change_mtu(struct net_device *, int);
860int qeth_setadpparms_change_macaddr(struct qeth_card *);
861void qeth_tx_timeout(struct net_device *);
862void qeth_prepare_control_data(struct qeth_card *, int,
863 struct qeth_cmd_buffer *);
864void qeth_release_buffer(struct qeth_channel *, struct qeth_cmd_buffer *);
865void qeth_prepare_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, char);
866struct qeth_cmd_buffer *qeth_wait_for_buffer(struct qeth_channel *);
867int qeth_mdio_read(struct net_device *, int, int);
868int qeth_snmp_command(struct qeth_card *, char __user *);
869struct qeth_cmd_buffer *qeth_get_adapter_cmd(struct qeth_card *, __u32, __u32);
870int qeth_default_setadapterparms_cb(struct qeth_card *, struct qeth_reply *,
871 unsigned long);
872int qeth_send_control_data(struct qeth_card *, int, struct qeth_cmd_buffer *,
873 int (*reply_cb)(struct qeth_card *, struct qeth_reply*, unsigned long),
874 void *reply_param);
875int qeth_get_priority_queue(struct qeth_card *, struct sk_buff *, int, int);
876int qeth_get_elements_no(struct qeth_card *, void *, struct sk_buff *, int);
877int qeth_do_send_packet_fast(struct qeth_card *, struct qeth_qdio_out_q *,
878 struct sk_buff *, struct qeth_hdr *, int, int, int);
879int qeth_do_send_packet(struct qeth_card *, struct qeth_qdio_out_q *,
880 struct sk_buff *, struct qeth_hdr *, int);
881int qeth_core_get_sset_count(struct net_device *, int);
882void qeth_core_get_ethtool_stats(struct net_device *,
883 struct ethtool_stats *, u64 *);
884void qeth_core_get_strings(struct net_device *, u32, u8 *);
885void qeth_core_get_drvinfo(struct net_device *, struct ethtool_drvinfo *);
886void qeth_dbf_longtext(debug_info_t *id, int level, char *text, ...);
887int qeth_core_ethtool_get_settings(struct net_device *, struct ethtool_cmd *);
888int qeth_set_access_ctrl_online(struct qeth_card *card);
889int qeth_hdr_chk_and_bounce(struct sk_buff *, int);
890int qeth_hw_trap(struct qeth_card *, enum qeth_diags_trap_action);
891int qeth_query_ipassists(struct qeth_card *, enum qeth_prot_versions prot);
892
893/* exports for OSN */
894int qeth_osn_assist(struct net_device *, void *, int);
895int qeth_osn_register(unsigned char *read_dev_no, struct net_device **,
896 int (*assist_cb)(struct net_device *, void *),
897 int (*data_cb)(struct sk_buff *));
898void qeth_osn_deregister(struct net_device *);
899
900#endif /* __QETH_CORE_H__ */
1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Copyright IBM Corp. 2007
4 * Author(s): Utz Bacher <utz.bacher@de.ibm.com>,
5 * Frank Pavlic <fpavlic@de.ibm.com>,
6 * Thomas Spatzier <tspat@de.ibm.com>,
7 * Frank Blaschka <frank.blaschka@de.ibm.com>
8 */
9
10#ifndef __QETH_CORE_H__
11#define __QETH_CORE_H__
12
13#include <linux/completion.h>
14#include <linux/debugfs.h>
15#include <linux/if.h>
16#include <linux/if_arp.h>
17#include <linux/etherdevice.h>
18#include <linux/if_vlan.h>
19#include <linux/ctype.h>
20#include <linux/in6.h>
21#include <linux/bitops.h>
22#include <linux/seq_file.h>
23#include <linux/hashtable.h>
24#include <linux/ip.h>
25#include <linux/rcupdate.h>
26#include <linux/refcount.h>
27#include <linux/timer.h>
28#include <linux/types.h>
29#include <linux/wait.h>
30#include <linux/workqueue.h>
31
32#include <net/dst.h>
33#include <net/ip6_fib.h>
34#include <net/ipv6.h>
35#include <net/if_inet6.h>
36#include <net/addrconf.h>
37#include <net/route.h>
38#include <net/sch_generic.h>
39#include <net/tcp.h>
40
41#include <asm/debug.h>
42#include <asm/qdio.h>
43#include <asm/ccwdev.h>
44#include <asm/ccwgroup.h>
45#include <asm/sysinfo.h>
46
47#include <uapi/linux/if_link.h>
48
49#include "qeth_core_mpc.h"
50
51/**
52 * Debug Facility stuff
53 */
54enum qeth_dbf_names {
55 QETH_DBF_SETUP,
56 QETH_DBF_MSG,
57 QETH_DBF_CTRL,
58 QETH_DBF_INFOS /* must be last element */
59};
60
61struct qeth_dbf_info {
62 char name[DEBUG_MAX_NAME_LEN];
63 int pages;
64 int areas;
65 int len;
66 int level;
67 struct debug_view *view;
68 debug_info_t *id;
69};
70
71#define QETH_DBF_CTRL_LEN 256U
72
73#define QETH_DBF_TEXT(name, level, text) \
74 debug_text_event(qeth_dbf[QETH_DBF_##name].id, level, text)
75
76#define QETH_DBF_HEX(name, level, addr, len) \
77 debug_event(qeth_dbf[QETH_DBF_##name].id, level, (void *)(addr), len)
78
79#define QETH_DBF_MESSAGE(level, text...) \
80 debug_sprintf_event(qeth_dbf[QETH_DBF_MSG].id, level, text)
81
82#define QETH_DBF_TEXT_(name, level, text...) \
83 qeth_dbf_longtext(qeth_dbf[QETH_DBF_##name].id, level, text)
84
85#define QETH_CARD_TEXT(card, level, text) \
86 debug_text_event(card->debug, level, text)
87
88#define QETH_CARD_HEX(card, level, addr, len) \
89 debug_event(card->debug, level, (void *)(addr), len)
90
91#define QETH_CARD_MESSAGE(card, text...) \
92 debug_sprintf_event(card->debug, level, text)
93
94#define QETH_CARD_TEXT_(card, level, text...) \
95 qeth_dbf_longtext(card->debug, level, text)
96
97#define SENSE_COMMAND_REJECT_BYTE 0
98#define SENSE_COMMAND_REJECT_FLAG 0x80
99#define SENSE_RESETTING_EVENT_BYTE 1
100#define SENSE_RESETTING_EVENT_FLAG 0x80
101
102static inline u32 qeth_get_device_id(struct ccw_device *cdev)
103{
104 struct ccw_dev_id dev_id;
105 u32 id;
106
107 ccw_device_get_id(cdev, &dev_id);
108 id = dev_id.devno;
109 id |= (u32) (dev_id.ssid << 16);
110
111 return id;
112}
113
114/*
115 * Common IO related definitions
116 */
117#define CARD_RDEV(card) card->read.ccwdev
118#define CARD_WDEV(card) card->write.ccwdev
119#define CARD_DDEV(card) card->data.ccwdev
120#define CARD_BUS_ID(card) dev_name(&card->gdev->dev)
121#define CARD_RDEV_ID(card) dev_name(&card->read.ccwdev->dev)
122#define CARD_WDEV_ID(card) dev_name(&card->write.ccwdev->dev)
123#define CARD_DDEV_ID(card) dev_name(&card->data.ccwdev->dev)
124#define CCW_DEVID(cdev) (qeth_get_device_id(cdev))
125#define CARD_DEVID(card) (CCW_DEVID(CARD_RDEV(card)))
126
127/* Routing stuff */
128struct qeth_routing_info {
129 enum qeth_routing_types type;
130};
131
132/* SETBRIDGEPORT stuff */
133enum qeth_sbp_roles {
134 QETH_SBP_ROLE_NONE = 0,
135 QETH_SBP_ROLE_PRIMARY = 1,
136 QETH_SBP_ROLE_SECONDARY = 2,
137};
138
139enum qeth_sbp_states {
140 QETH_SBP_STATE_INACTIVE = 0,
141 QETH_SBP_STATE_STANDBY = 1,
142 QETH_SBP_STATE_ACTIVE = 2,
143};
144
145#define QETH_SBP_HOST_NOTIFICATION 1
146
147struct qeth_sbp_info {
148 __u32 supported_funcs;
149 enum qeth_sbp_roles role;
150 __u32 hostnotification:1;
151 __u32 reflect_promisc:1;
152 __u32 reflect_promisc_primary:1;
153};
154
155struct qeth_vnicc_info {
156 /* supported/currently configured VNICCs; updated in IPA exchanges */
157 u32 sup_chars;
158 u32 cur_chars;
159 /* supported commands: bitmasks which VNICCs support respective cmd */
160 u32 set_char_sup;
161 u32 getset_timeout_sup;
162 /* timeout value for the learning characteristic */
163 u32 learning_timeout;
164 /* characteristics wanted/configured by user */
165 u32 wanted_chars;
166 /* has user explicitly enabled rx_bcast while online? */
167 bool rx_bcast_enabled;
168};
169
170#define QETH_IDX_FUNC_LEVEL_OSD 0x0101
171#define QETH_IDX_FUNC_LEVEL_IQD 0x4108
172
173#define QETH_BUFSIZE 4096
174#define CCW_CMD_WRITE 0x01
175#define CCW_CMD_READ 0x02
176
177/**
178 * some more defs
179 */
180#define QETH_TX_TIMEOUT (100 * HZ)
181#define QETH_RCD_TIMEOUT (60 * HZ)
182#define QETH_RECLAIM_WORK_TIME HZ
183#define QETH_MAX_PORTNO 15
184
185/*****************************************************************************/
186/* QDIO queue and buffer handling */
187/*****************************************************************************/
188#define QETH_MAX_OUT_QUEUES 4
189#define QETH_IQD_MIN_TXQ 2 /* One for ucast, one for mcast. */
190#define QETH_IQD_MCAST_TXQ 0
191#define QETH_IQD_MIN_UCAST_TXQ 1
192
193#define QETH_MAX_IN_QUEUES 2
194#define QETH_RX_COPYBREAK (PAGE_SIZE >> 1)
195#define QETH_IN_BUF_SIZE_DEFAULT 65536
196#define QETH_IN_BUF_COUNT_DEFAULT 64
197#define QETH_IN_BUF_COUNT_HSDEFAULT 128
198#define QETH_IN_BUF_COUNT_MIN 8U
199#define QETH_IN_BUF_COUNT_MAX 128U
200#define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12)
201#define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \
202 ((card)->qdio.in_buf_pool.buf_count / 2)
203
204/* buffers we have to be behind before we get a PCI */
205#define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1)
206/*enqueued free buffers left before we get a PCI*/
207#define QETH_PCI_THRESHOLD_B(card) 0
208/*not used unless the microcode gets patched*/
209#define QETH_PCI_TIMER_VALUE(card) 3
210
211/* priority queing */
212#define QETH_PRIOQ_DEFAULT QETH_NO_PRIO_QUEUEING
213#define QETH_DEFAULT_QUEUE 2
214#define QETH_NO_PRIO_QUEUEING 0
215#define QETH_PRIO_Q_ING_PREC 1
216#define QETH_PRIO_Q_ING_TOS 2
217#define QETH_PRIO_Q_ING_SKB 3
218#define QETH_PRIO_Q_ING_VLAN 4
219#define QETH_PRIO_Q_ING_FIXED 5
220
221/* Packing */
222#define QETH_LOW_WATERMARK_PACK 2
223#define QETH_HIGH_WATERMARK_PACK 5
224#define QETH_WATERMARK_PACK_FUZZ 1
225
226struct qeth_hdr_layer3 {
227 __u8 id;
228 __u8 flags;
229 __u16 inbound_checksum; /*TSO:__u16 seqno */
230 __u32 token; /*TSO: __u32 reserved */
231 __u16 length;
232 __u8 vlan_prio;
233 __u8 ext_flags;
234 __u16 vlan_id;
235 __u16 frame_offset;
236 union {
237 /* TX: */
238 struct in6_addr addr;
239 /* RX: */
240 struct rx {
241 u8 res1[2];
242 u8 src_mac[6];
243 u8 res2[4];
244 u16 vlan_id;
245 u8 res3[2];
246 } rx;
247 } next_hop;
248};
249
250struct qeth_hdr_layer2 {
251 __u8 id;
252 __u8 flags[3];
253 __u8 port_no;
254 __u8 hdr_length;
255 __u16 pkt_length;
256 __u16 seq_no;
257 __u16 vlan_id;
258 __u32 reserved;
259 __u8 reserved2[16];
260} __attribute__ ((packed));
261
262struct qeth_hdr {
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 open_when_online:1;
720 u8 promisc_mode:1;
721 u8 use_v1_blkt:1;
722 u8 is_vm_nic:1;
723 /* no bitfield, we take a pointer on these two: */
724 u8 has_lp2lp_cso_v6;
725 u8 has_lp2lp_cso_v4;
726 enum qeth_pnso_mode pnso_mode;
727 enum qeth_card_types type;
728 enum qeth_link_types link_type;
729 int broadcast_capable;
730 bool layer_enforced;
731 struct qeth_card_blkt blkt;
732 __u32 diagass_support;
733 __u32 hwtrap;
734 struct qeth_link_info link_info;
735};
736
737enum qeth_discipline_id {
738 QETH_DISCIPLINE_UNDETERMINED = -1,
739 QETH_DISCIPLINE_LAYER3 = 0,
740 QETH_DISCIPLINE_LAYER2 = 1,
741};
742
743struct qeth_card_options {
744 struct qeth_ipa_caps ipa4;
745 struct qeth_ipa_caps ipa6;
746 struct qeth_routing_info route4;
747 struct qeth_routing_info route6;
748 struct qeth_ipa_caps adp; /* Adapter parameters */
749 struct qeth_sbp_info sbp; /* SETBRIDGEPORT options */
750 struct qeth_vnicc_info vnicc; /* VNICC options */
751 enum qeth_discipline_id layer;
752 enum qeth_ipa_isolation_modes isolation;
753 int sniffer;
754 enum qeth_cq cq;
755 char hsuid[9];
756};
757
758#define IS_LAYER2(card) ((card)->options.layer == QETH_DISCIPLINE_LAYER2)
759#define IS_LAYER3(card) ((card)->options.layer == QETH_DISCIPLINE_LAYER3)
760
761/*
762 * thread bits for qeth_card thread masks
763 */
764enum qeth_threads {
765 QETH_RECOVER_THREAD = 1,
766};
767
768struct qeth_discipline {
769 int (*setup) (struct ccwgroup_device *);
770 void (*remove) (struct ccwgroup_device *);
771 int (*set_online)(struct qeth_card *card, bool carrier_ok);
772 void (*set_offline)(struct qeth_card *card);
773 int (*control_event_handler)(struct qeth_card *card,
774 struct qeth_ipa_cmd *cmd);
775};
776
777enum qeth_addr_disposition {
778 QETH_DISP_ADDR_DELETE = 0,
779 QETH_DISP_ADDR_DO_NOTHING = 1,
780 QETH_DISP_ADDR_ADD = 2,
781};
782
783struct qeth_rx {
784 int b_count;
785 int b_index;
786 u8 buf_element;
787 int e_offset;
788 int qdio_err;
789 u8 bufs_refill;
790};
791
792struct qeth_switch_info {
793 __u32 capabilities;
794 __u32 settings;
795};
796
797struct qeth_priv {
798 unsigned int rx_copybreak;
799 unsigned int tx_wanted_queues;
800 u32 brport_hw_features;
801 u32 brport_features;
802};
803
804struct qeth_card {
805 enum qeth_card_states state;
806 spinlock_t lock;
807 struct ccwgroup_device *gdev;
808 struct qeth_cmd_buffer *read_cmd;
809 struct qeth_channel read;
810 struct qeth_channel write;
811 struct qeth_channel data;
812
813 struct net_device *dev;
814 struct dentry *debugfs;
815 struct qeth_card_stats stats;
816 struct qeth_card_info info;
817 struct qeth_token token;
818 struct qeth_seqno seqno;
819 struct qeth_card_options options;
820
821 struct workqueue_struct *event_wq;
822 struct workqueue_struct *cmd_wq;
823 wait_queue_head_t wait_q;
824
825 struct mutex ip_lock;
826 /* protected by ip_lock: */
827 DECLARE_HASHTABLE(ip_htable, 4);
828 struct qeth_ipato ipato;
829
830 DECLARE_HASHTABLE(local_addrs4, 4);
831 DECLARE_HASHTABLE(local_addrs6, 4);
832 spinlock_t local_addrs4_lock;
833 spinlock_t local_addrs6_lock;
834 DECLARE_HASHTABLE(rx_mode_addrs, 4);
835 struct work_struct rx_mode_work;
836 struct work_struct kernel_thread_starter;
837 spinlock_t thread_mask_lock;
838 unsigned long thread_start_mask;
839 unsigned long thread_allowed_mask;
840 unsigned long thread_running_mask;
841 struct list_head cmd_waiter_list;
842 /* QDIO buffer handling */
843 struct qeth_qdio_info qdio;
844 int read_or_write_problem;
845 const struct qeth_discipline *discipline;
846 atomic_t force_alloc_skb;
847 struct service_level qeth_service_level;
848 struct qdio_ssqd_desc ssqd;
849 debug_info_t *debug;
850 struct mutex sbp_lock;
851 struct mutex conf_mutex;
852 struct mutex discipline_mutex;
853 struct napi_struct napi;
854 struct qeth_rx rx;
855 struct delayed_work buffer_reclaim_work;
856};
857
858static inline bool qeth_card_hw_is_reachable(struct qeth_card *card)
859{
860 return card->state == CARD_STATE_SOFTSETUP;
861}
862
863static inline bool qeth_use_tx_irqs(struct qeth_card *card)
864{
865 return !IS_IQD(card);
866}
867
868static inline void qeth_unlock_channel(struct qeth_card *card,
869 struct qeth_channel *channel)
870{
871 xchg(&channel->active_cmd, NULL);
872 wake_up(&card->wait_q);
873}
874
875static inline bool qeth_trylock_channel(struct qeth_channel *channel,
876 struct qeth_cmd_buffer *cmd)
877{
878 return cmpxchg(&channel->active_cmd, NULL, cmd) == NULL;
879}
880
881struct qeth_trap_id {
882 __u16 lparnr;
883 char vmname[8];
884 __u8 chpid;
885 __u8 ssid;
886 __u16 devno;
887} __packed;
888
889static inline bool qeth_uses_tx_prio_queueing(struct qeth_card *card)
890{
891 return card->qdio.do_prio_queueing != QETH_NO_PRIO_QUEUEING;
892}
893
894static inline unsigned int qeth_tx_actual_queues(struct qeth_card *card)
895{
896 struct qeth_priv *priv = netdev_priv(card->dev);
897
898 if (qeth_uses_tx_prio_queueing(card))
899 return min(card->dev->num_tx_queues, card->qdio.no_out_queues);
900
901 return min(priv->tx_wanted_queues, card->qdio.no_out_queues);
902}
903
904static inline u16 qeth_iqd_translate_txq(struct net_device *dev, u16 txq)
905{
906 if (txq == QETH_IQD_MCAST_TXQ)
907 return dev->num_tx_queues - 1;
908 if (txq == dev->num_tx_queues - 1)
909 return QETH_IQD_MCAST_TXQ;
910 return txq;
911}
912
913static inline bool qeth_iqd_is_mcast_queue(struct qeth_card *card,
914 struct qeth_qdio_out_q *queue)
915{
916 return qeth_iqd_translate_txq(card->dev, queue->queue_no) ==
917 QETH_IQD_MCAST_TXQ;
918}
919
920static inline void qeth_scrub_qdio_buffer(struct qdio_buffer *buf,
921 unsigned int elements)
922{
923 unsigned int i;
924
925 for (i = 0; i < elements; i++)
926 memset(&buf->element[i], 0, sizeof(struct qdio_buffer_element));
927 buf->element[14].sflags = 0;
928 buf->element[15].sflags = 0;
929}
930
931/**
932 * qeth_get_elements_for_range() - find number of SBALEs to cover range.
933 * @start: Start of the address range.
934 * @end: Address after the end of the range.
935 *
936 * Returns the number of pages, and thus QDIO buffer elements, needed to cover
937 * the specified address range.
938 */
939static inline int qeth_get_elements_for_range(addr_t start, addr_t end)
940{
941 return PFN_UP(end) - PFN_DOWN(start);
942}
943
944static inline int qeth_get_ether_cast_type(struct sk_buff *skb)
945{
946 u8 *addr = eth_hdr(skb)->h_dest;
947
948 if (is_multicast_ether_addr(addr))
949 return is_broadcast_ether_addr(addr) ? RTN_BROADCAST :
950 RTN_MULTICAST;
951 return RTN_UNICAST;
952}
953
954static inline struct dst_entry *qeth_dst_check_rcu(struct sk_buff *skb,
955 __be16 proto)
956{
957 struct dst_entry *dst = skb_dst(skb);
958 struct rt6_info *rt;
959
960 rt = (struct rt6_info *) dst;
961 if (dst) {
962 if (proto == htons(ETH_P_IPV6))
963 dst = dst_check(dst, rt6_get_cookie(rt));
964 else
965 dst = dst_check(dst, 0);
966 }
967
968 return dst;
969}
970
971static inline __be32 qeth_next_hop_v4_rcu(struct sk_buff *skb,
972 struct dst_entry *dst)
973{
974 struct rtable *rt = (struct rtable *) dst;
975
976 return (rt) ? rt_nexthop(rt, ip_hdr(skb)->daddr) : ip_hdr(skb)->daddr;
977}
978
979static inline struct in6_addr *qeth_next_hop_v6_rcu(struct sk_buff *skb,
980 struct dst_entry *dst)
981{
982 struct rt6_info *rt = (struct rt6_info *) dst;
983
984 if (rt && !ipv6_addr_any(&rt->rt6i_gateway))
985 return &rt->rt6i_gateway;
986 else
987 return &ipv6_hdr(skb)->daddr;
988}
989
990static inline void qeth_tx_csum(struct sk_buff *skb, u8 *flags, __be16 proto)
991{
992 *flags |= QETH_HDR_EXT_CSUM_TRANSP_REQ;
993 if ((proto == htons(ETH_P_IP) && ip_hdr(skb)->protocol == IPPROTO_UDP) ||
994 (proto == htons(ETH_P_IPV6) && ipv6_hdr(skb)->nexthdr == IPPROTO_UDP))
995 *flags |= QETH_HDR_EXT_UDP;
996}
997
998static inline void qeth_put_buffer_pool_entry(struct qeth_card *card,
999 struct qeth_buffer_pool_entry *entry)
1000{
1001 list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list);
1002}
1003
1004static inline int qeth_is_diagass_supported(struct qeth_card *card,
1005 enum qeth_diags_cmds cmd)
1006{
1007 return card->info.diagass_support & (__u32)cmd;
1008}
1009
1010int qeth_send_simple_setassparms_prot(struct qeth_card *card,
1011 enum qeth_ipa_funcs ipa_func,
1012 u16 cmd_code, u32 *data,
1013 enum qeth_prot_versions prot);
1014/* IPv4 variant */
1015static inline int qeth_send_simple_setassparms(struct qeth_card *card,
1016 enum qeth_ipa_funcs ipa_func,
1017 u16 cmd_code, u32 *data)
1018{
1019 return qeth_send_simple_setassparms_prot(card, ipa_func, cmd_code,
1020 data, QETH_PROT_IPV4);
1021}
1022
1023static inline int qeth_send_simple_setassparms_v6(struct qeth_card *card,
1024 enum qeth_ipa_funcs ipa_func,
1025 u16 cmd_code, u32 *data)
1026{
1027 return qeth_send_simple_setassparms_prot(card, ipa_func, cmd_code,
1028 data, QETH_PROT_IPV6);
1029}
1030
1031extern const struct qeth_discipline qeth_l2_discipline;
1032extern const struct qeth_discipline qeth_l3_discipline;
1033extern const struct ethtool_ops qeth_ethtool_ops;
1034extern const struct attribute_group *qeth_dev_groups[];
1035
1036const char *qeth_get_cardname_short(struct qeth_card *);
1037int qeth_resize_buffer_pool(struct qeth_card *card, unsigned int count);
1038int qeth_setup_discipline(struct qeth_card *card, enum qeth_discipline_id disc);
1039void qeth_remove_discipline(struct qeth_card *card);
1040
1041/* exports for qeth discipline device drivers */
1042extern struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS];
1043
1044struct net_device *qeth_clone_netdev(struct net_device *orig);
1045void qeth_set_allowed_threads(struct qeth_card *card, unsigned long threads,
1046 int clear_start_mask);
1047int qeth_threads_running(struct qeth_card *, unsigned long);
1048int qeth_set_offline(struct qeth_card *card, const struct qeth_discipline *disc,
1049 bool resetting);
1050
1051int qeth_send_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *,
1052 int (*reply_cb)
1053 (struct qeth_card *, struct qeth_reply *, unsigned long),
1054 void *);
1055struct qeth_cmd_buffer *qeth_ipa_alloc_cmd(struct qeth_card *card,
1056 enum qeth_ipa_cmds cmd_code,
1057 enum qeth_prot_versions prot,
1058 unsigned int data_length);
1059struct qeth_cmd_buffer *qeth_get_setassparms_cmd(struct qeth_card *card,
1060 enum qeth_ipa_funcs ipa_func,
1061 u16 cmd_code,
1062 unsigned int data_length,
1063 enum qeth_prot_versions prot);
1064struct qeth_cmd_buffer *qeth_get_diag_cmd(struct qeth_card *card,
1065 enum qeth_diags_cmds sub_cmd,
1066 unsigned int data_length);
1067
1068int qeth_schedule_recovery(struct qeth_card *card);
1069int qeth_poll(struct napi_struct *napi, int budget);
1070void qeth_setadp_promisc_mode(struct qeth_card *card, bool enable);
1071int qeth_setadpparms_change_macaddr(struct qeth_card *);
1072void qeth_tx_timeout(struct net_device *, unsigned int txqueue);
1073int qeth_query_switch_attributes(struct qeth_card *card,
1074 struct qeth_switch_info *sw_info);
1075int qeth_query_card_info(struct qeth_card *card,
1076 struct qeth_link_info *link_info);
1077int qeth_setadpparms_set_access_ctrl(struct qeth_card *card,
1078 enum qeth_ipa_isolation_modes mode);
1079
1080int qeth_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
1081int qeth_siocdevprivate(struct net_device *dev, struct ifreq *rq,
1082 void __user *data, int cmd);
1083__printf(3, 4)
1084void qeth_dbf_longtext(debug_info_t *id, int level, char *text, ...);
1085int qeth_configure_cq(struct qeth_card *, enum qeth_cq);
1086int qeth_hw_trap(struct qeth_card *, enum qeth_diags_trap_action);
1087int qeth_setassparms_cb(struct qeth_card *, struct qeth_reply *, unsigned long);
1088int qeth_set_features(struct net_device *, netdev_features_t);
1089void qeth_enable_hw_features(struct net_device *dev);
1090netdev_features_t qeth_fix_features(struct net_device *, netdev_features_t);
1091netdev_features_t qeth_features_check(struct sk_buff *skb,
1092 struct net_device *dev,
1093 netdev_features_t features);
1094void qeth_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats);
1095int qeth_set_real_num_tx_queues(struct qeth_card *card, unsigned int count);
1096u16 qeth_iqd_select_queue(struct net_device *dev, struct sk_buff *skb,
1097 u8 cast_type, struct net_device *sb_dev);
1098u16 qeth_osa_select_queue(struct net_device *dev, struct sk_buff *skb,
1099 struct net_device *sb_dev);
1100int qeth_open(struct net_device *dev);
1101int qeth_stop(struct net_device *dev);
1102
1103int qeth_vm_request_mac(struct qeth_card *card);
1104int qeth_xmit(struct qeth_card *card, struct sk_buff *skb,
1105 struct qeth_qdio_out_q *queue, __be16 proto,
1106 void (*fill_header)(struct qeth_qdio_out_q *queue,
1107 struct qeth_hdr *hdr, struct sk_buff *skb,
1108 __be16 proto, unsigned int data_len));
1109
1110#endif /* __QETH_CORE_H__ */