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>
9 #ifndef __QETH_CORE_H__
10 #define __QETH_CORE_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>
25 #include <net/if_inet6.h>
26 #include <net/addrconf.h>
28 #include <asm/debug.h>
30 #include <asm/ccwdev.h>
31 #include <asm/ccwgroup.h>
32 #include <asm/sysinfo.h>
34 #include "qeth_core_mpc.h"
37 * Debug Facility stuff
43 QETH_DBF_INFOS
/* must be last element */
46 struct qeth_dbf_info
{
47 char name
[DEBUG_MAX_NAME_LEN
];
52 struct debug_view
*view
;
56 #define QETH_DBF_CTRL_LEN 256
58 #define QETH_DBF_TEXT(name, level, text) \
59 debug_text_event(qeth_dbf[QETH_DBF_##name].id, level, text)
61 #define QETH_DBF_HEX(name, level, addr, len) \
62 debug_event(qeth_dbf[QETH_DBF_##name].id, level, (void *)(addr), len)
64 #define QETH_DBF_MESSAGE(level, text...) \
65 debug_sprintf_event(qeth_dbf[QETH_DBF_MSG].id, level, text)
67 #define QETH_DBF_TEXT_(name, level, text...) \
68 qeth_dbf_longtext(qeth_dbf[QETH_DBF_##name].id, level, text)
70 #define QETH_CARD_TEXT(card, level, text) \
71 debug_text_event(card->debug, level, text)
73 #define QETH_CARD_HEX(card, level, addr, len) \
74 debug_event(card->debug, level, (void *)(addr), len)
76 #define QETH_CARD_MESSAGE(card, text...) \
77 debug_sprintf_event(card->debug, level, text)
79 #define QETH_CARD_TEXT_(card, level, text...) \
80 qeth_dbf_longtext(card->debug, level, text)
82 #define SENSE_COMMAND_REJECT_BYTE 0
83 #define SENSE_COMMAND_REJECT_FLAG 0x80
84 #define SENSE_RESETTING_EVENT_BYTE 1
85 #define SENSE_RESETTING_EVENT_FLAG 0x80
88 * Common IO related definitions
90 #define CARD_RDEV(card) card->read.ccwdev
91 #define CARD_WDEV(card) card->write.ccwdev
92 #define CARD_DDEV(card) card->data.ccwdev
93 #define CARD_BUS_ID(card) dev_name(&card->gdev->dev)
94 #define CARD_RDEV_ID(card) dev_name(&card->read.ccwdev->dev)
95 #define CARD_WDEV_ID(card) dev_name(&card->write.ccwdev->dev)
96 #define CARD_DDEV_ID(card) dev_name(&card->data.ccwdev->dev)
97 #define CHANNEL_ID(channel) dev_name(&channel->ccwdev->dev)
102 struct qeth_perf_stats
{
103 unsigned int bufs_rec
;
104 unsigned int bufs_sent
;
106 unsigned int skbs_sent_pack
;
107 unsigned int bufs_sent_pack
;
109 unsigned int sc_dp_p
;
110 unsigned int sc_p_dp
;
111 /* qdio_cq_handler: number of times called, time spent in */
114 unsigned int cq_time
;
115 /* qdio_input_handler: number of times called, time spent in */
116 __u64 inbound_start_time
;
117 unsigned int inbound_cnt
;
118 unsigned int inbound_time
;
119 /* qeth_send_packet: number of times called, time spent in */
120 __u64 outbound_start_time
;
121 unsigned int outbound_cnt
;
122 unsigned int outbound_time
;
123 /* qdio_output_handler: number of times called, time spent in */
124 __u64 outbound_handler_start_time
;
125 unsigned int outbound_handler_cnt
;
126 unsigned int outbound_handler_time
;
127 /* number of calls to and time spent in do_QDIO for inbound queue */
128 __u64 inbound_do_qdio_start_time
;
129 unsigned int inbound_do_qdio_cnt
;
130 unsigned int inbound_do_qdio_time
;
131 /* number of calls to and time spent in do_QDIO for outbound queues */
132 __u64 outbound_do_qdio_start_time
;
133 unsigned int outbound_do_qdio_cnt
;
134 unsigned int outbound_do_qdio_time
;
135 unsigned int large_send_bytes
;
136 unsigned int large_send_cnt
;
137 unsigned int sg_skbs_sent
;
138 unsigned int sg_frags_sent
;
139 /* initial values when measuring starts */
140 unsigned long initial_rx_packets
;
141 unsigned long initial_tx_packets
;
142 /* inbound scatter gather data */
143 unsigned int sg_skbs_rx
;
144 unsigned int sg_frags_rx
;
145 unsigned int sg_alloc_page_rx
;
146 unsigned int tx_csum
;
148 unsigned int tx_linfail
;
152 struct qeth_routing_info
{
153 enum qeth_routing_types type
;
157 struct qeth_ipa_info
{
158 __u32 supported_funcs
;
162 /* SETBRIDGEPORT stuff */
163 enum qeth_sbp_roles
{
164 QETH_SBP_ROLE_NONE
= 0,
165 QETH_SBP_ROLE_PRIMARY
= 1,
166 QETH_SBP_ROLE_SECONDARY
= 2,
169 enum qeth_sbp_states
{
170 QETH_SBP_STATE_INACTIVE
= 0,
171 QETH_SBP_STATE_STANDBY
= 1,
172 QETH_SBP_STATE_ACTIVE
= 2,
175 #define QETH_SBP_HOST_NOTIFICATION 1
177 struct qeth_sbp_info
{
178 __u32 supported_funcs
;
179 enum qeth_sbp_roles role
;
180 __u32 hostnotification
:1;
181 __u32 reflect_promisc
:1;
182 __u32 reflect_promisc_primary
:1;
185 static inline int qeth_is_ipa_supported(struct qeth_ipa_info
*ipa
,
186 enum qeth_ipa_funcs func
)
188 return (ipa
->supported_funcs
& func
);
191 static inline int qeth_is_ipa_enabled(struct qeth_ipa_info
*ipa
,
192 enum qeth_ipa_funcs func
)
194 return (ipa
->supported_funcs
& ipa
->enabled_funcs
& func
);
197 #define qeth_adp_supported(c, f) \
198 qeth_is_ipa_supported(&c->options.adp, f)
199 #define qeth_adp_enabled(c, f) \
200 qeth_is_ipa_enabled(&c->options.adp, f)
201 #define qeth_is_supported(c, f) \
202 qeth_is_ipa_supported(&c->options.ipa4, f)
203 #define qeth_is_enabled(c, f) \
204 qeth_is_ipa_enabled(&c->options.ipa4, f)
205 #define qeth_is_supported6(c, f) \
206 qeth_is_ipa_supported(&c->options.ipa6, f)
207 #define qeth_is_enabled6(c, f) \
208 qeth_is_ipa_enabled(&c->options.ipa6, f)
209 #define qeth_is_ipafunc_supported(c, prot, f) \
210 ((prot == QETH_PROT_IPV6) ? \
211 qeth_is_supported6(c, f) : qeth_is_supported(c, f))
212 #define qeth_is_ipafunc_enabled(c, prot, f) \
213 ((prot == QETH_PROT_IPV6) ? \
214 qeth_is_enabled6(c, f) : qeth_is_enabled(c, f))
216 #define QETH_IDX_FUNC_LEVEL_OSD 0x0101
217 #define QETH_IDX_FUNC_LEVEL_IQD 0x4108
219 #define QETH_MODELLIST_ARRAY \
220 {{0x1731, 0x01, 0x1732, QETH_CARD_TYPE_OSD, QETH_MAX_QUEUES, 0}, \
221 {0x1731, 0x05, 0x1732, QETH_CARD_TYPE_IQD, QETH_MAX_QUEUES, 0x103}, \
222 {0x1731, 0x06, 0x1732, QETH_CARD_TYPE_OSN, QETH_MAX_QUEUES, 0}, \
223 {0x1731, 0x02, 0x1732, QETH_CARD_TYPE_OSM, QETH_MAX_QUEUES, 0}, \
224 {0x1731, 0x02, 0x1732, QETH_CARD_TYPE_OSX, QETH_MAX_QUEUES, 0}, \
226 #define QETH_CU_TYPE_IND 0
227 #define QETH_CU_MODEL_IND 1
228 #define QETH_DEV_TYPE_IND 2
229 #define QETH_DEV_MODEL_IND 3
230 #define QETH_QUEUE_NO_IND 4
231 #define QETH_MULTICAST_IND 5
233 #define QETH_REAL_CARD 1
234 #define QETH_VLAN_CARD 2
235 #define QETH_BUFSIZE 4096
240 #define QETH_TX_TIMEOUT 100 * HZ
241 #define QETH_RCD_TIMEOUT 60 * HZ
242 #define QETH_RECLAIM_WORK_TIME HZ
243 #define QETH_MAX_PORTNO 15
245 /*IPv6 address autoconfiguration stuff*/
246 #define UNIQUE_ID_IF_CREATE_ADDR_FAILED 0xfffe
247 #define UNIQUE_ID_NOT_BY_CARD 0x10000
249 /*****************************************************************************/
250 /* QDIO queue and buffer handling */
251 /*****************************************************************************/
252 #define QETH_MAX_QUEUES 4
253 #define QETH_IN_BUF_SIZE_DEFAULT 65536
254 #define QETH_IN_BUF_COUNT_DEFAULT 64
255 #define QETH_IN_BUF_COUNT_HSDEFAULT 128
256 #define QETH_IN_BUF_COUNT_MIN 8
257 #define QETH_IN_BUF_COUNT_MAX 128
258 #define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12)
259 #define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \
260 ((card)->qdio.in_buf_pool.buf_count / 2)
262 /* buffers we have to be behind before we get a PCI */
263 #define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1)
264 /*enqueued free buffers left before we get a PCI*/
265 #define QETH_PCI_THRESHOLD_B(card) 0
266 /*not used unless the microcode gets patched*/
267 #define QETH_PCI_TIMER_VALUE(card) 3
269 /* priority queing */
270 #define QETH_PRIOQ_DEFAULT QETH_NO_PRIO_QUEUEING
271 #define QETH_DEFAULT_QUEUE 2
272 #define QETH_NO_PRIO_QUEUEING 0
273 #define QETH_PRIO_Q_ING_PREC 1
274 #define QETH_PRIO_Q_ING_TOS 2
275 #define QETH_PRIO_Q_ING_SKB 3
276 #define QETH_PRIO_Q_ING_VLAN 4
279 #define QETH_LOW_WATERMARK_PACK 2
280 #define QETH_HIGH_WATERMARK_PACK 5
281 #define QETH_WATERMARK_PACK_FUZZ 1
283 /* large receive scatter gather copy break */
284 #define QETH_RX_SG_CB (PAGE_SIZE >> 1)
285 #define QETH_RX_PULL_LEN 256
287 struct qeth_hdr_layer3
{
290 __u16 inbound_checksum
; /*TSO:__u16 seqno */
291 __u32 token
; /*TSO: __u32 reserved */
298 } __attribute__ ((packed
));
300 struct qeth_hdr_layer2
{
310 } __attribute__ ((packed
));
312 struct qeth_hdr_osn
{
321 } __attribute__ ((packed
));
325 struct qeth_hdr_layer2 l2
;
326 struct qeth_hdr_layer3 l3
;
327 struct qeth_hdr_osn osn
;
329 } __attribute__ ((packed
));
331 /*TCP Segmentation Offload header*/
332 struct qeth_hdr_ext_tso
{
343 } __attribute__ ((packed
));
345 struct qeth_hdr_tso
{
346 struct qeth_hdr hdr
; /*hdr->hdr.l3.xxx*/
347 struct qeth_hdr_ext_tso ext
;
348 } __attribute__ ((packed
));
351 /* flags for qeth_hdr.flags */
352 #define QETH_HDR_PASSTHRU 0x10
353 #define QETH_HDR_IPV6 0x80
354 #define QETH_HDR_CAST_MASK 0x07
355 enum qeth_cast_flags
{
356 QETH_CAST_UNICAST
= 0x06,
357 QETH_CAST_MULTICAST
= 0x04,
358 QETH_CAST_BROADCAST
= 0x05,
359 QETH_CAST_ANYCAST
= 0x07,
360 QETH_CAST_NOCAST
= 0x00,
363 enum qeth_layer2_frame_flags
{
364 QETH_LAYER2_FLAG_MULTICAST
= 0x01,
365 QETH_LAYER2_FLAG_BROADCAST
= 0x02,
366 QETH_LAYER2_FLAG_UNICAST
= 0x04,
367 QETH_LAYER2_FLAG_VLAN
= 0x10,
370 enum qeth_header_ids
{
371 QETH_HEADER_TYPE_LAYER3
= 0x01,
372 QETH_HEADER_TYPE_LAYER2
= 0x02,
373 QETH_HEADER_TYPE_TSO
= 0x03,
374 QETH_HEADER_TYPE_OSN
= 0x04,
376 /* flags for qeth_hdr.ext_flags */
377 #define QETH_HDR_EXT_VLAN_FRAME 0x01
378 #define QETH_HDR_EXT_TOKEN_ID 0x02
379 #define QETH_HDR_EXT_INCLUDE_VLAN_TAG 0x04
380 #define QETH_HDR_EXT_SRC_MAC_ADDR 0x08
381 #define QETH_HDR_EXT_CSUM_HDR_REQ 0x10
382 #define QETH_HDR_EXT_CSUM_TRANSP_REQ 0x20
383 #define QETH_HDR_EXT_UDP 0x40 /*bit off for TCP*/
385 enum qeth_qdio_buffer_states
{
387 * inbound: read out by driver; owned by hardware in order to be filled
388 * outbound: owned by driver in order to be filled
392 * inbound: filled by hardware; owned by driver in order to be read out
393 * outbound: filled by driver; owned by hardware in order to be sent
395 QETH_QDIO_BUF_PRIMED
,
397 * inbound: not applicable
398 * outbound: identified to be pending in TPQ
400 QETH_QDIO_BUF_PENDING
,
402 * inbound: not applicable
403 * outbound: found in completion queue
407 * inbound: not applicable
408 * outbound: handled via transfer pending / completion queue
410 QETH_QDIO_BUF_HANDLED_DELAYED
,
413 enum qeth_qdio_info_states
{
414 QETH_QDIO_UNINITIALIZED
,
416 QETH_QDIO_ESTABLISHED
,
420 struct qeth_buffer_pool_entry
{
421 struct list_head list
;
422 struct list_head init_list
;
423 void *elements
[QDIO_MAX_ELEMENTS_PER_BUFFER
];
426 struct qeth_qdio_buffer_pool
{
427 struct list_head entry_list
;
431 struct qeth_qdio_buffer
{
432 struct qdio_buffer
*buffer
;
433 /* the buffer pool entry currently associated to this buffer */
434 struct qeth_buffer_pool_entry
*pool_entry
;
435 struct sk_buff
*rx_skb
;
439 struct qdio_buffer
*qdio_bufs
[QDIO_MAX_BUFFERS_PER_Q
];
440 struct qeth_qdio_buffer bufs
[QDIO_MAX_BUFFERS_PER_Q
];
441 int next_buf_to_init
;
444 struct qeth_qdio_out_buffer
{
445 struct qdio_buffer
*buffer
;
447 int next_element_to_fill
;
448 struct sk_buff_head skb_list
;
449 int is_header
[QDIO_MAX_ELEMENTS_PER_BUFFER
];
452 struct qeth_qdio_out_q
*q
;
453 struct qeth_qdio_out_buffer
*next_pending
;
458 enum qeth_out_q_states
{
461 QETH_OUT_Q_LOCKED_FLUSH
,
464 struct qeth_qdio_out_q
{
465 struct qdio_buffer
*qdio_bufs
[QDIO_MAX_BUFFERS_PER_Q
];
466 struct qeth_qdio_out_buffer
*bufs
[QDIO_MAX_BUFFERS_PER_Q
];
467 struct qdio_outbuf_state
*bufstates
; /* convenience pointer */
469 struct qeth_card
*card
;
473 * index of buffer to be filled by driver; state EMPTY or PACKING
475 int next_buf_to_fill
;
477 * number of buffers that are currently filled (PRIMED)
478 * -> these buffers are hardware-owned
480 atomic_t used_buffers
;
481 /* indicates whether PCI flag must be set (or if one is outstanding) */
482 atomic_t set_pci_flags_count
;
485 struct qeth_qdio_info
{
489 struct qeth_qdio_q
*in_q
;
490 struct qeth_qdio_q
*c_q
;
491 struct qeth_qdio_buffer_pool in_buf_pool
;
492 struct qeth_qdio_buffer_pool init_pool
;
497 struct qeth_qdio_out_q
**out_qs
;
498 struct qdio_outbuf_state
*out_bufstates
;
500 /* priority queueing */
501 int do_prio_queueing
;
502 int default_out_queue
;
505 #define QETH_ETH_MAC_V4 0x0100 /* like v4 */
506 #define QETH_ETH_MAC_V6 0x3333 /* like v6 */
507 /* tr mc mac is longer, but that will be enough to detect mc frames */
508 #define QETH_TR_MAC_NC 0xc000 /* non-canonical */
509 #define QETH_TR_MAC_C 0x0300 /* canonical */
512 * buffer stuff for read channel
514 #define QETH_CMD_BUFFER_NO 8
517 * channel state machine
519 enum qeth_channel_states
{
531 enum qeth_card_states
{
533 CARD_STATE_HARDSETUP
,
534 CARD_STATE_SOFTSETUP
,
542 enum qeth_prot_versions
{
543 QETH_PROT_IPV4
= 0x0004,
544 QETH_PROT_IPV6
= 0x0006,
553 enum qeth_cmd_buffer_state
{
560 QETH_CQ_DISABLED
= 0,
562 QETH_CQ_NOTAVAILABLE
= 2,
569 struct list_head entries
;
574 struct qeth_cmd_buffer
{
575 enum qeth_cmd_buffer_state state
;
576 struct qeth_channel
*channel
;
579 void (*callback
) (struct qeth_channel
*, struct qeth_cmd_buffer
*);
583 * definition of a qeth channel, used for read and write
585 struct qeth_channel
{
586 enum qeth_channel_states state
;
589 wait_queue_head_t wait_q
;
590 struct ccw_device
*ccwdev
;
591 /*command buffer for control data*/
592 struct qeth_cmd_buffer iob
[QETH_CMD_BUFFER_NO
];
593 atomic_t irq_pending
;
599 * OSA card related definitions
606 __u32 cm_connection_w
;
607 __u32 cm_connection_r
;
610 __u32 ulp_connection_w
;
611 __u32 ulp_connection_r
;
623 struct list_head list
;
624 wait_queue_head_t wait_q
;
625 int (*callback
)(struct qeth_card
*, struct qeth_reply
*,
628 unsigned long offset
;
632 struct qeth_card
*card
;
636 struct qeth_card_blkt
{
639 int inter_packet_jumbo
;
642 #define QETH_BROADCAST_WITH_ECHO 0x01
643 #define QETH_BROADCAST_WITHOUT_ECHO 0x02
644 #define QETH_LAYER2_MAC_READ 0x01
645 #define QETH_LAYER2_MAC_REGISTERED 0x02
646 struct qeth_card_info
{
647 unsigned short unit_addr2
;
649 unsigned short chpid
;
651 char mcl_level
[QETH_MCL_LENGTH
+ 1];
655 enum qeth_card_types type
;
656 enum qeth_link_types link_type
;
657 int is_multicast_different
;
660 int broadcast_capable
;
662 struct qeth_card_blkt blkt
;
663 enum qeth_ipa_promisc_modes promisc_mode
;
664 __u32 diagass_support
;
668 struct qeth_card_options
{
669 struct qeth_routing_info route4
;
670 struct qeth_ipa_info ipa4
;
671 struct qeth_ipa_info adp
; /*Adapter parameters*/
672 struct qeth_routing_info route6
;
673 struct qeth_ipa_info ipa6
;
674 struct qeth_sbp_info sbp
; /* SETBRIDGEPORT options */
677 int performance_stats
;
679 enum qeth_ipa_isolation_modes isolation
;
680 enum qeth_ipa_isolation_modes prev_isolation
;
687 * thread bits for qeth_card thread masks
690 QETH_RECOVER_THREAD
= 1,
693 struct qeth_osn_info
{
694 int (*assist_cb
)(struct net_device
*dev
, void *data
);
695 int (*data_cb
)(struct sk_buff
*skb
);
698 enum qeth_discipline_id
{
699 QETH_DISCIPLINE_LAYER3
= 0,
700 QETH_DISCIPLINE_LAYER2
= 1,
703 struct qeth_discipline
{
704 void (*start_poll
)(struct ccw_device
*, int, unsigned long);
705 qdio_handler_t
*input_handler
;
706 qdio_handler_t
*output_handler
;
707 int (*process_rx_buffer
)(struct qeth_card
*card
, int budget
, int *done
);
708 int (*recover
)(void *ptr
);
709 int (*setup
) (struct ccwgroup_device
*);
710 void (*remove
) (struct ccwgroup_device
*);
711 int (*set_online
) (struct ccwgroup_device
*);
712 int (*set_offline
) (struct ccwgroup_device
*);
713 int (*freeze
)(struct ccwgroup_device
*);
714 int (*thaw
) (struct ccwgroup_device
*);
715 int (*restore
)(struct ccwgroup_device
*);
716 int (*do_ioctl
)(struct net_device
*dev
, struct ifreq
*rq
, int cmd
);
717 int (*control_event_handler
)(struct qeth_card
*card
,
718 struct qeth_ipa_cmd
*cmd
);
721 struct qeth_vlan_vid
{
722 struct list_head list
;
726 enum qeth_addr_disposition
{
727 QETH_DISP_ADDR_DELETE
= 0,
728 QETH_DISP_ADDR_DO_NOTHING
= 1,
729 QETH_DISP_ADDR_ADD
= 2,
735 struct qdio_buffer_element
*b_element
;
740 struct carrier_info
{
746 struct qeth_switch_info
{
751 #define QETH_NAPI_WEIGHT NAPI_POLL_WEIGHT
754 struct list_head list
;
755 enum qeth_card_states state
;
758 struct ccwgroup_device
*gdev
;
759 struct qeth_channel read
;
760 struct qeth_channel write
;
761 struct qeth_channel data
;
763 struct net_device
*dev
;
764 struct net_device_stats stats
;
766 struct qeth_card_info info
;
767 struct qeth_token token
;
768 struct qeth_seqno seqno
;
769 struct qeth_card_options options
;
771 wait_queue_head_t wait_q
;
774 unsigned long active_vlans
[BITS_TO_LONGS(VLAN_N_VID
)];
775 struct list_head vid_list
;
776 DECLARE_HASHTABLE(mac_htable
, 4);
777 DECLARE_HASHTABLE(ip_htable
, 4);
778 DECLARE_HASHTABLE(ip_mc_htable
, 4);
779 struct work_struct kernel_thread_starter
;
780 spinlock_t thread_mask_lock
;
781 unsigned long thread_start_mask
;
782 unsigned long thread_allowed_mask
;
783 unsigned long thread_running_mask
;
784 struct task_struct
*recovery_task
;
786 struct qeth_ipato ipato
;
787 struct list_head cmd_waiter_list
;
788 /* QDIO buffer handling */
789 struct qeth_qdio_info qdio
;
790 struct qeth_perf_stats perf_stats
;
791 int read_or_write_problem
;
792 struct qeth_osn_info osn_info
;
793 struct qeth_discipline
*discipline
;
794 atomic_t force_alloc_skb
;
795 struct service_level qeth_service_level
;
796 struct qdio_ssqd_desc ssqd
;
798 struct mutex conf_mutex
;
799 struct mutex discipline_mutex
;
800 struct napi_struct napi
;
802 struct delayed_work buffer_reclaim_work
;
804 struct work_struct close_dev_work
;
807 struct qeth_card_list_struct
{
808 struct list_head list
;
812 struct qeth_trap_id
{
820 /*some helper functions*/
821 #define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "")
824 * qeth_get_elements_for_range() - find number of SBALEs to cover range.
825 * @start: Start of the address range.
826 * @end: Address after the end of the range.
828 * Returns the number of pages, and thus QDIO buffer elements, needed to cover
829 * the specified address range.
831 static inline int qeth_get_elements_for_range(addr_t start
, addr_t end
)
833 return PFN_UP(end
- 1) - PFN_DOWN(start
);
836 static inline int qeth_get_micros(void)
838 return (int) (get_tod_clock() >> 12);
841 static inline int qeth_get_ip_version(struct sk_buff
*skb
)
843 __be16
*p
= &((struct ethhdr
*)skb
->data
)->h_proto
;
845 if (be16_to_cpu(*p
) == ETH_P_8021Q
)
847 switch (be16_to_cpu(*p
)) {
857 static inline int qeth_get_ip_protocol(struct sk_buff
*skb
)
859 return ip_hdr(skb
)->protocol
;
862 static inline void qeth_put_buffer_pool_entry(struct qeth_card
*card
,
863 struct qeth_buffer_pool_entry
*entry
)
865 list_add_tail(&entry
->list
, &card
->qdio
.in_buf_pool
.entry_list
);
868 static inline int qeth_is_diagass_supported(struct qeth_card
*card
,
869 enum qeth_diags_cmds cmd
)
871 return card
->info
.diagass_support
& (__u32
)cmd
;
874 extern struct qeth_discipline qeth_l2_discipline
;
875 extern struct qeth_discipline qeth_l3_discipline
;
876 extern const struct attribute_group
*qeth_generic_attr_groups
[];
877 extern const struct attribute_group
*qeth_osn_attr_groups
[];
878 extern struct workqueue_struct
*qeth_wq
;
880 int qeth_card_hw_is_reachable(struct qeth_card
*);
881 const char *qeth_get_cardname_short(struct qeth_card
*);
882 int qeth_realloc_buffer_pool(struct qeth_card
*, int);
883 int qeth_core_load_discipline(struct qeth_card
*, enum qeth_discipline_id
);
884 void qeth_core_free_discipline(struct qeth_card
*);
886 /* exports for qeth discipline device drivers */
887 extern struct qeth_card_list_struct qeth_core_card_list
;
888 extern struct kmem_cache
*qeth_core_header_cache
;
889 extern struct qeth_dbf_info qeth_dbf
[QETH_DBF_INFOS
];
891 void qeth_set_recovery_task(struct qeth_card
*);
892 void qeth_clear_recovery_task(struct qeth_card
*);
893 void qeth_set_allowed_threads(struct qeth_card
*, unsigned long , int);
894 int qeth_threads_running(struct qeth_card
*, unsigned long);
895 int qeth_wait_for_threads(struct qeth_card
*, unsigned long);
896 int qeth_do_run_thread(struct qeth_card
*, unsigned long);
897 void qeth_clear_thread_start_bit(struct qeth_card
*, unsigned long);
898 void qeth_clear_thread_running_bit(struct qeth_card
*, unsigned long);
899 int qeth_core_hardsetup_card(struct qeth_card
*);
900 void qeth_print_status_message(struct qeth_card
*);
901 int qeth_init_qdio_queues(struct qeth_card
*);
902 int qeth_send_ipa_cmd(struct qeth_card
*, struct qeth_cmd_buffer
*,
904 (struct qeth_card
*, struct qeth_reply
*, unsigned long),
906 struct qeth_cmd_buffer
*qeth_get_ipacmd_buffer(struct qeth_card
*,
907 enum qeth_ipa_cmds
, enum qeth_prot_versions
);
908 int qeth_query_setadapterparms(struct qeth_card
*);
909 struct sk_buff
*qeth_core_get_next_skb(struct qeth_card
*,
910 struct qeth_qdio_buffer
*, struct qdio_buffer_element
**, int *,
912 void qeth_schedule_recovery(struct qeth_card
*);
913 void qeth_qdio_start_poll(struct ccw_device
*, int, unsigned long);
914 int qeth_poll(struct napi_struct
*napi
, int budget
);
915 void qeth_qdio_input_handler(struct ccw_device
*,
916 unsigned int, unsigned int, int,
918 void qeth_qdio_output_handler(struct ccw_device
*, unsigned int,
919 int, int, int, unsigned long);
920 void qeth_clear_ipacmd_list(struct qeth_card
*);
921 int qeth_qdio_clear_card(struct qeth_card
*, int);
922 void qeth_clear_working_pool_list(struct qeth_card
*);
923 void qeth_clear_cmd_buffers(struct qeth_channel
*);
924 void qeth_clear_qdio_buffers(struct qeth_card
*);
925 void qeth_setadp_promisc_mode(struct qeth_card
*);
926 struct net_device_stats
*qeth_get_stats(struct net_device
*);
927 int qeth_change_mtu(struct net_device
*, int);
928 int qeth_setadpparms_change_macaddr(struct qeth_card
*);
929 void qeth_tx_timeout(struct net_device
*);
930 void qeth_prepare_control_data(struct qeth_card
*, int,
931 struct qeth_cmd_buffer
*);
932 void qeth_release_buffer(struct qeth_channel
*, struct qeth_cmd_buffer
*);
933 void qeth_prepare_ipa_cmd(struct qeth_card
*, struct qeth_cmd_buffer
*, char);
934 struct qeth_cmd_buffer
*qeth_wait_for_buffer(struct qeth_channel
*);
935 int qeth_query_switch_attributes(struct qeth_card
*card
,
936 struct qeth_switch_info
*sw_info
);
937 int qeth_send_control_data(struct qeth_card
*, int, struct qeth_cmd_buffer
*,
938 int (*reply_cb
)(struct qeth_card
*, struct qeth_reply
*, unsigned long),
940 int qeth_bridgeport_query_ports(struct qeth_card
*card
,
941 enum qeth_sbp_roles
*role
, enum qeth_sbp_states
*state
);
942 int qeth_bridgeport_setrole(struct qeth_card
*card
, enum qeth_sbp_roles role
);
943 int qeth_bridgeport_an_set(struct qeth_card
*card
, int enable
);
944 int qeth_get_priority_queue(struct qeth_card
*, struct sk_buff
*, int, int);
945 int qeth_get_elements_no(struct qeth_card
*card
, struct sk_buff
*skb
,
946 int extra_elems
, int data_offset
);
947 int qeth_get_elements_for_frags(struct sk_buff
*);
948 int qeth_do_send_packet_fast(struct qeth_card
*, struct qeth_qdio_out_q
*,
949 struct sk_buff
*, struct qeth_hdr
*, int, int);
950 int qeth_do_send_packet(struct qeth_card
*, struct qeth_qdio_out_q
*,
951 struct sk_buff
*, struct qeth_hdr
*, int);
952 int qeth_do_ioctl(struct net_device
*dev
, struct ifreq
*rq
, int cmd
);
953 int qeth_core_get_sset_count(struct net_device
*, int);
954 void qeth_core_get_ethtool_stats(struct net_device
*,
955 struct ethtool_stats
*, u64
*);
956 void qeth_core_get_strings(struct net_device
*, u32
, u8
*);
957 void qeth_core_get_drvinfo(struct net_device
*, struct ethtool_drvinfo
*);
958 void qeth_dbf_longtext(debug_info_t
*id
, int level
, char *text
, ...);
959 int qeth_core_ethtool_get_link_ksettings(struct net_device
*netdev
,
960 struct ethtool_link_ksettings
*cmd
);
961 int qeth_set_access_ctrl_online(struct qeth_card
*card
, int fallback
);
962 int qeth_hdr_chk_and_bounce(struct sk_buff
*, struct qeth_hdr
**, int);
963 int qeth_configure_cq(struct qeth_card
*, enum qeth_cq
);
964 int qeth_hw_trap(struct qeth_card
*, enum qeth_diags_trap_action
);
965 int qeth_query_ipassists(struct qeth_card
*, enum qeth_prot_versions prot
);
966 void qeth_trace_features(struct qeth_card
*);
967 void qeth_close_dev(struct qeth_card
*);
968 int qeth_send_simple_setassparms(struct qeth_card
*, enum qeth_ipa_funcs
,
970 int qeth_send_setassparms(struct qeth_card
*, struct qeth_cmd_buffer
*, __u16
,
972 int (*reply_cb
)(struct qeth_card
*,
973 struct qeth_reply
*, unsigned long),
975 int qeth_setassparms_cb(struct qeth_card
*, struct qeth_reply
*, unsigned long);
976 struct qeth_cmd_buffer
*qeth_get_setassparms_cmd(struct qeth_card
*,
979 enum qeth_prot_versions
);
980 int qeth_set_features(struct net_device
*, netdev_features_t
);
981 int qeth_recover_features(struct net_device
*);
982 netdev_features_t
qeth_fix_features(struct net_device
*, netdev_features_t
);
984 /* exports for OSN */
985 int qeth_osn_assist(struct net_device
*, void *, int);
986 int qeth_osn_register(unsigned char *read_dev_no
, struct net_device
**,
987 int (*assist_cb
)(struct net_device
*, void *),
988 int (*data_cb
)(struct sk_buff
*));
989 void qeth_osn_deregister(struct net_device
*);
991 #endif /* __QETH_CORE_H__ */