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_HEADER_SIZE 32
244 #define QETH_MAX_PORTNO 15
246 /*IPv6 address autoconfiguration stuff*/
247 #define UNIQUE_ID_IF_CREATE_ADDR_FAILED 0xfffe
248 #define UNIQUE_ID_NOT_BY_CARD 0x10000
250 /*****************************************************************************/
251 /* QDIO queue and buffer handling */
252 /*****************************************************************************/
253 #define QETH_MAX_QUEUES 4
254 #define QETH_IN_BUF_SIZE_DEFAULT 65536
255 #define QETH_IN_BUF_COUNT_DEFAULT 64
256 #define QETH_IN_BUF_COUNT_HSDEFAULT 128
257 #define QETH_IN_BUF_COUNT_MIN 8
258 #define QETH_IN_BUF_COUNT_MAX 128
259 #define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12)
260 #define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \
261 ((card)->qdio.in_buf_pool.buf_count / 2)
263 /* buffers we have to be behind before we get a PCI */
264 #define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1)
265 /*enqueued free buffers left before we get a PCI*/
266 #define QETH_PCI_THRESHOLD_B(card) 0
267 /*not used unless the microcode gets patched*/
268 #define QETH_PCI_TIMER_VALUE(card) 3
270 /* priority queing */
271 #define QETH_PRIOQ_DEFAULT QETH_NO_PRIO_QUEUEING
272 #define QETH_DEFAULT_QUEUE 2
273 #define QETH_NO_PRIO_QUEUEING 0
274 #define QETH_PRIO_Q_ING_PREC 1
275 #define QETH_PRIO_Q_ING_TOS 2
276 #define QETH_PRIO_Q_ING_SKB 3
277 #define QETH_PRIO_Q_ING_VLAN 4
280 #define QETH_LOW_WATERMARK_PACK 2
281 #define QETH_HIGH_WATERMARK_PACK 5
282 #define QETH_WATERMARK_PACK_FUZZ 1
284 #define QETH_IP_HEADER_SIZE 40
286 /* large receive scatter gather copy break */
287 #define QETH_RX_SG_CB (PAGE_SIZE >> 1)
288 #define QETH_RX_PULL_LEN 256
290 struct qeth_hdr_layer3 {
293 __u16 inbound_checksum; /*TSO:__u16 seqno */
294 __u32 token; /*TSO: __u32 reserved */
301 } __attribute__ ((packed));
303 struct qeth_hdr_layer2 {
313 } __attribute__ ((packed));
315 struct qeth_hdr_osn {
324 } __attribute__ ((packed));
328 struct qeth_hdr_layer2 l2;
329 struct qeth_hdr_layer3 l3;
330 struct qeth_hdr_osn osn;
332 } __attribute__ ((packed));
334 /*TCP Segmentation Offload header*/
335 struct qeth_hdr_ext_tso {
346 } __attribute__ ((packed));
348 struct qeth_hdr_tso {
349 struct qeth_hdr hdr; /*hdr->hdr.l3.xxx*/
350 struct qeth_hdr_ext_tso ext;
351 } __attribute__ ((packed));
354 /* flags for qeth_hdr.flags */
355 #define QETH_HDR_PASSTHRU 0x10
356 #define QETH_HDR_IPV6 0x80
357 #define QETH_HDR_CAST_MASK 0x07
358 enum qeth_cast_flags {
359 QETH_CAST_UNICAST = 0x06,
360 QETH_CAST_MULTICAST = 0x04,
361 QETH_CAST_BROADCAST = 0x05,
362 QETH_CAST_ANYCAST = 0x07,
363 QETH_CAST_NOCAST = 0x00,
366 enum qeth_layer2_frame_flags {
367 QETH_LAYER2_FLAG_MULTICAST = 0x01,
368 QETH_LAYER2_FLAG_BROADCAST = 0x02,
369 QETH_LAYER2_FLAG_UNICAST = 0x04,
370 QETH_LAYER2_FLAG_VLAN = 0x10,
373 enum qeth_header_ids {
374 QETH_HEADER_TYPE_LAYER3 = 0x01,
375 QETH_HEADER_TYPE_LAYER2 = 0x02,
376 QETH_HEADER_TYPE_TSO = 0x03,
377 QETH_HEADER_TYPE_OSN = 0x04,
379 /* flags for qeth_hdr.ext_flags */
380 #define QETH_HDR_EXT_VLAN_FRAME 0x01
381 #define QETH_HDR_EXT_TOKEN_ID 0x02
382 #define QETH_HDR_EXT_INCLUDE_VLAN_TAG 0x04
383 #define QETH_HDR_EXT_SRC_MAC_ADDR 0x08
384 #define QETH_HDR_EXT_CSUM_HDR_REQ 0x10
385 #define QETH_HDR_EXT_CSUM_TRANSP_REQ 0x20
386 #define QETH_HDR_EXT_UDP 0x40 /*bit off for TCP*/
388 enum qeth_qdio_buffer_states {
390 * inbound: read out by driver; owned by hardware in order to be filled
391 * outbound: owned by driver in order to be filled
395 * inbound: filled by hardware; owned by driver in order to be read out
396 * outbound: filled by driver; owned by hardware in order to be sent
398 QETH_QDIO_BUF_PRIMED,
400 * inbound: not applicable
401 * outbound: identified to be pending in TPQ
403 QETH_QDIO_BUF_PENDING,
405 * inbound: not applicable
406 * outbound: found in completion queue
410 * inbound: not applicable
411 * outbound: handled via transfer pending / completion queue
413 QETH_QDIO_BUF_HANDLED_DELAYED,
416 enum qeth_qdio_info_states {
417 QETH_QDIO_UNINITIALIZED,
419 QETH_QDIO_ESTABLISHED,
423 struct qeth_buffer_pool_entry {
424 struct list_head list;
425 struct list_head init_list;
426 void *elements[QDIO_MAX_ELEMENTS_PER_BUFFER];
429 struct qeth_qdio_buffer_pool {
430 struct list_head entry_list;
434 struct qeth_qdio_buffer {
435 struct qdio_buffer *buffer;
436 /* the buffer pool entry currently associated to this buffer */
437 struct qeth_buffer_pool_entry *pool_entry;
438 struct sk_buff *rx_skb;
442 struct qdio_buffer *qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
443 struct qeth_qdio_buffer bufs[QDIO_MAX_BUFFERS_PER_Q];
444 int next_buf_to_init;
447 struct qeth_qdio_out_buffer {
448 struct qdio_buffer *buffer;
450 int next_element_to_fill;
451 struct sk_buff_head skb_list;
455 struct qeth_qdio_out_q *q;
456 struct qeth_qdio_out_buffer *next_pending;
461 enum qeth_out_q_states {
464 QETH_OUT_Q_LOCKED_FLUSH,
467 struct qeth_qdio_out_q {
468 struct qdio_buffer *qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
469 struct qeth_qdio_out_buffer *bufs[QDIO_MAX_BUFFERS_PER_Q];
470 struct qdio_outbuf_state *bufstates; /* convenience pointer */
472 struct qeth_card *card;
476 * index of buffer to be filled by driver; state EMPTY or PACKING
478 int next_buf_to_fill;
480 * number of buffers that are currently filled (PRIMED)
481 * -> these buffers are hardware-owned
483 atomic_t used_buffers;
484 /* indicates whether PCI flag must be set (or if one is outstanding) */
485 atomic_t set_pci_flags_count;
488 struct qeth_qdio_info {
492 struct qeth_qdio_q *in_q;
493 struct qeth_qdio_q *c_q;
494 struct qeth_qdio_buffer_pool in_buf_pool;
495 struct qeth_qdio_buffer_pool init_pool;
500 struct qeth_qdio_out_q **out_qs;
501 struct qdio_outbuf_state *out_bufstates;
503 /* priority queueing */
504 int do_prio_queueing;
505 int default_out_queue;
508 enum qeth_send_errors {
509 QETH_SEND_ERROR_NONE,
510 QETH_SEND_ERROR_LINK_FAILURE,
511 QETH_SEND_ERROR_RETRY,
512 QETH_SEND_ERROR_KICK_IT,
515 #define QETH_ETH_MAC_V4 0x0100 /* like v4 */
516 #define QETH_ETH_MAC_V6 0x3333 /* like v6 */
517 /* tr mc mac is longer, but that will be enough to detect mc frames */
518 #define QETH_TR_MAC_NC 0xc000 /* non-canonical */
519 #define QETH_TR_MAC_C 0x0300 /* canonical */
521 #define DEFAULT_ADD_HHLEN 0
522 #define MAX_ADD_HHLEN 1024
525 * buffer stuff for read channel
527 #define QETH_CMD_BUFFER_NO 8
530 * channel state machine
532 enum qeth_channel_states {
544 enum qeth_card_states {
546 CARD_STATE_HARDSETUP,
547 CARD_STATE_SOFTSETUP,
555 enum qeth_prot_versions {
556 QETH_PROT_IPV4 = 0x0004,
557 QETH_PROT_IPV6 = 0x0006,
566 enum qeth_cmd_buffer_state {
573 QETH_CQ_DISABLED = 0,
575 QETH_CQ_NOTAVAILABLE = 2,
582 struct list_head entries;
587 struct qeth_cmd_buffer {
588 enum qeth_cmd_buffer_state state;
589 struct qeth_channel *channel;
592 void (*callback) (struct qeth_channel *, struct qeth_cmd_buffer *);
595 static inline struct qeth_ipa_cmd *__ipa_cmd(struct qeth_cmd_buffer *iob)
597 return (struct qeth_ipa_cmd *)(iob->data + IPA_PDU_HEADER_SIZE);
601 * definition of a qeth channel, used for read and write
603 struct qeth_channel {
604 enum qeth_channel_states state;
607 wait_queue_head_t wait_q;
608 struct ccw_device *ccwdev;
609 /*command buffer for control data*/
610 struct qeth_cmd_buffer iob[QETH_CMD_BUFFER_NO];
611 atomic_t irq_pending;
617 * OSA card related definitions
624 __u32 cm_connection_w;
625 __u32 cm_connection_r;
628 __u32 ulp_connection_w;
629 __u32 ulp_connection_r;
641 struct list_head list;
642 wait_queue_head_t wait_q;
643 int (*callback)(struct qeth_card *, struct qeth_reply *,
646 unsigned long offset;
650 struct qeth_card *card;
655 struct qeth_card_blkt {
658 int inter_packet_jumbo;
661 #define QETH_BROADCAST_WITH_ECHO 0x01
662 #define QETH_BROADCAST_WITHOUT_ECHO 0x02
663 #define QETH_LAYER2_MAC_READ 0x01
664 #define QETH_LAYER2_MAC_REGISTERED 0x02
665 struct qeth_card_info {
666 unsigned short unit_addr2;
668 unsigned short chpid;
670 char mcl_level[QETH_MCL_LENGTH + 1];
674 enum qeth_card_types type;
675 enum qeth_link_types link_type;
676 int is_multicast_different;
679 int broadcast_capable;
681 struct qeth_card_blkt blkt;
684 enum qeth_ipa_promisc_modes promisc_mode;
685 __u32 diagass_support;
689 struct qeth_card_options {
690 struct qeth_routing_info route4;
691 struct qeth_ipa_info ipa4;
692 struct qeth_ipa_info adp; /*Adapter parameters*/
693 struct qeth_routing_info route6;
694 struct qeth_ipa_info ipa6;
695 struct qeth_sbp_info sbp; /* SETBRIDGEPORT options */
699 int performance_stats;
701 enum qeth_ipa_isolation_modes isolation;
702 enum qeth_ipa_isolation_modes prev_isolation;
709 * thread bits for qeth_card thread masks
712 QETH_RECOVER_THREAD = 1,
715 struct qeth_osn_info {
716 int (*assist_cb)(struct net_device *dev, void *data);
717 int (*data_cb)(struct sk_buff *skb);
720 enum qeth_discipline_id {
721 QETH_DISCIPLINE_LAYER3 = 0,
722 QETH_DISCIPLINE_LAYER2 = 1,
725 struct qeth_discipline {
726 const struct device_type *devtype;
727 void (*start_poll)(struct ccw_device *, int, unsigned long);
728 qdio_handler_t *input_handler;
729 qdio_handler_t *output_handler;
730 int (*recover)(void *ptr);
731 int (*setup) (struct ccwgroup_device *);
732 void (*remove) (struct ccwgroup_device *);
733 int (*set_online) (struct ccwgroup_device *);
734 int (*set_offline) (struct ccwgroup_device *);
735 void (*shutdown)(struct ccwgroup_device *);
736 int (*prepare) (struct ccwgroup_device *);
737 void (*complete) (struct ccwgroup_device *);
738 int (*freeze)(struct ccwgroup_device *);
739 int (*thaw) (struct ccwgroup_device *);
740 int (*restore)(struct ccwgroup_device *);
741 int (*control_event_handler)(struct qeth_card *card,
742 struct qeth_ipa_cmd *cmd);
745 struct qeth_vlan_vid {
746 struct list_head list;
750 enum qeth_addr_disposition {
751 QETH_DISP_ADDR_DELETE = 0,
752 QETH_DISP_ADDR_DO_NOTHING = 1,
753 QETH_DISP_ADDR_ADD = 2,
759 struct qdio_buffer_element *b_element;
764 struct carrier_info {
770 struct qeth_switch_info {
775 #define QETH_NAPI_WEIGHT NAPI_POLL_WEIGHT
778 struct list_head list;
779 enum qeth_card_states state;
782 struct ccwgroup_device *gdev;
783 struct qeth_channel read;
784 struct qeth_channel write;
785 struct qeth_channel data;
787 struct net_device *dev;
788 struct net_device_stats stats;
790 struct qeth_card_info info;
791 struct qeth_token token;
792 struct qeth_seqno seqno;
793 struct qeth_card_options options;
795 wait_queue_head_t wait_q;
798 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
799 struct list_head vid_list;
800 DECLARE_HASHTABLE(mac_htable, 4);
801 DECLARE_HASHTABLE(ip_htable, 4);
802 DECLARE_HASHTABLE(ip_mc_htable, 4);
803 struct work_struct kernel_thread_starter;
804 spinlock_t thread_mask_lock;
805 unsigned long thread_start_mask;
806 unsigned long thread_allowed_mask;
807 unsigned long thread_running_mask;
808 struct task_struct *recovery_task;
810 struct qeth_ipato ipato;
811 struct list_head cmd_waiter_list;
812 /* QDIO buffer handling */
813 struct qeth_qdio_info qdio;
814 struct qeth_perf_stats perf_stats;
815 int read_or_write_problem;
816 struct qeth_osn_info osn_info;
817 struct qeth_discipline *discipline;
818 atomic_t force_alloc_skb;
819 struct service_level qeth_service_level;
820 struct qdio_ssqd_desc ssqd;
822 struct mutex conf_mutex;
823 struct mutex discipline_mutex;
824 struct napi_struct napi;
826 struct delayed_work buffer_reclaim_work;
828 struct work_struct close_dev_work;
831 struct qeth_card_list_struct {
832 struct list_head list;
836 struct qeth_trap_id {
844 /*some helper functions*/
845 #define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "")
848 * qeth_get_elements_for_range() - find number of SBALEs to cover range.
849 * @start: Start of the address range.
850 * @end: Address after the end of the range.
852 * Returns the number of pages, and thus QDIO buffer elements, needed to cover
853 * the specified address range.
855 static inline int qeth_get_elements_for_range(addr_t start, addr_t end)
857 return PFN_UP(end) - PFN_DOWN(start);
860 static inline int qeth_get_micros(void)
862 return (int) (get_tod_clock() >> 12);
865 static inline int qeth_get_ip_version(struct sk_buff *skb)
867 __be16 *p = &((struct ethhdr *)skb->data)->h_proto;
869 if (*p == ETH_P_8021Q)
881 static inline int qeth_get_ip_protocol(struct sk_buff *skb)
883 return ip_hdr(skb)->protocol;
886 static inline void qeth_put_buffer_pool_entry(struct qeth_card *card,
887 struct qeth_buffer_pool_entry *entry)
889 list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list);
892 static inline int qeth_is_diagass_supported(struct qeth_card *card,
893 enum qeth_diags_cmds cmd)
895 return card->info.diagass_support & (__u32)cmd;
898 extern struct qeth_discipline qeth_l2_discipline;
899 extern struct qeth_discipline qeth_l3_discipline;
900 extern const struct attribute_group *qeth_generic_attr_groups[];
901 extern const struct attribute_group *qeth_osn_attr_groups[];
902 extern const struct attribute_group qeth_device_attr_group;
903 extern const struct attribute_group qeth_device_blkt_group;
904 extern const struct device_type qeth_generic_devtype;
905 extern struct workqueue_struct *qeth_wq;
907 int qeth_card_hw_is_reachable(struct qeth_card *);
908 const char *qeth_get_cardname_short(struct qeth_card *);
909 int qeth_realloc_buffer_pool(struct qeth_card *, int);
910 int qeth_core_load_discipline(struct qeth_card *, enum qeth_discipline_id);
911 void qeth_core_free_discipline(struct qeth_card *);
913 /* exports for qeth discipline device drivers */
914 extern struct qeth_card_list_struct qeth_core_card_list;
915 extern struct kmem_cache *qeth_core_header_cache;
916 extern struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS];
918 void qeth_set_recovery_task(struct qeth_card *);
919 void qeth_clear_recovery_task(struct qeth_card *);
920 void qeth_set_allowed_threads(struct qeth_card *, unsigned long , int);
921 int qeth_threads_running(struct qeth_card *, unsigned long);
922 int qeth_wait_for_threads(struct qeth_card *, unsigned long);
923 int qeth_do_run_thread(struct qeth_card *, unsigned long);
924 void qeth_clear_thread_start_bit(struct qeth_card *, unsigned long);
925 void qeth_clear_thread_running_bit(struct qeth_card *, unsigned long);
926 int qeth_core_hardsetup_card(struct qeth_card *);
927 void qeth_print_status_message(struct qeth_card *);
928 int qeth_init_qdio_queues(struct qeth_card *);
929 int qeth_send_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *,
931 (struct qeth_card *, struct qeth_reply *, unsigned long),
933 struct qeth_cmd_buffer *qeth_get_ipacmd_buffer(struct qeth_card *,
934 enum qeth_ipa_cmds, enum qeth_prot_versions);
935 int qeth_query_setadapterparms(struct qeth_card *);
936 int qeth_check_qdio_errors(struct qeth_card *, struct qdio_buffer *,
937 unsigned int, const char *);
938 void qeth_queue_input_buffer(struct qeth_card *, int);
939 struct sk_buff *qeth_core_get_next_skb(struct qeth_card *,
940 struct qeth_qdio_buffer *, struct qdio_buffer_element **, int *,
942 void qeth_schedule_recovery(struct qeth_card *);
943 void qeth_qdio_start_poll(struct ccw_device *, int, unsigned long);
944 void qeth_qdio_input_handler(struct ccw_device *,
945 unsigned int, unsigned int, int,
947 void qeth_qdio_output_handler(struct ccw_device *, unsigned int,
948 int, int, int, unsigned long);
949 void qeth_clear_ipacmd_list(struct qeth_card *);
950 int qeth_qdio_clear_card(struct qeth_card *, int);
951 void qeth_clear_working_pool_list(struct qeth_card *);
952 void qeth_clear_cmd_buffers(struct qeth_channel *);
953 void qeth_clear_qdio_buffers(struct qeth_card *);
954 void qeth_setadp_promisc_mode(struct qeth_card *);
955 struct net_device_stats *qeth_get_stats(struct net_device *);
956 int qeth_change_mtu(struct net_device *, int);
957 int qeth_setadpparms_change_macaddr(struct qeth_card *);
958 void qeth_tx_timeout(struct net_device *);
959 void qeth_prepare_control_data(struct qeth_card *, int,
960 struct qeth_cmd_buffer *);
961 void qeth_release_buffer(struct qeth_channel *, struct qeth_cmd_buffer *);
962 void qeth_prepare_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, char);
963 struct qeth_cmd_buffer *qeth_wait_for_buffer(struct qeth_channel *);
964 int qeth_mdio_read(struct net_device *, int, int);
965 int qeth_snmp_command(struct qeth_card *, char __user *);
966 int qeth_query_oat_command(struct qeth_card *, char __user *);
967 int qeth_query_switch_attributes(struct qeth_card *card,
968 struct qeth_switch_info *sw_info);
969 int qeth_send_control_data(struct qeth_card *, int, struct qeth_cmd_buffer *,
970 int (*reply_cb)(struct qeth_card *, struct qeth_reply*, unsigned long),
972 int qeth_bridgeport_query_ports(struct qeth_card *card,
973 enum qeth_sbp_roles *role, enum qeth_sbp_states *state);
974 int qeth_bridgeport_setrole(struct qeth_card *card, enum qeth_sbp_roles role);
975 int qeth_bridgeport_an_set(struct qeth_card *card, int enable);
976 int qeth_get_priority_queue(struct qeth_card *, struct sk_buff *, int, int);
977 int qeth_get_elements_no(struct qeth_card *card, struct sk_buff *skb,
978 int extra_elems, int data_offset);
979 int qeth_get_elements_for_frags(struct sk_buff *);
980 int qeth_do_send_packet_fast(struct qeth_card *, struct qeth_qdio_out_q *,
981 struct sk_buff *, struct qeth_hdr *, int, int, int);
982 int qeth_do_send_packet(struct qeth_card *, struct qeth_qdio_out_q *,
983 struct sk_buff *, struct qeth_hdr *, int);
984 int qeth_core_get_sset_count(struct net_device *, int);
985 void qeth_core_get_ethtool_stats(struct net_device *,
986 struct ethtool_stats *, u64 *);
987 void qeth_core_get_strings(struct net_device *, u32, u8 *);
988 void qeth_core_get_drvinfo(struct net_device *, struct ethtool_drvinfo *);
989 void qeth_dbf_longtext(debug_info_t *id, int level, char *text, ...);
990 int qeth_core_ethtool_get_settings(struct net_device *, struct ethtool_cmd *);
991 int qeth_set_access_ctrl_online(struct qeth_card *card, int fallback);
992 int qeth_hdr_chk_and_bounce(struct sk_buff *, struct qeth_hdr **, int);
993 int qeth_configure_cq(struct qeth_card *, enum qeth_cq);
994 int qeth_hw_trap(struct qeth_card *, enum qeth_diags_trap_action);
995 int qeth_query_ipassists(struct qeth_card *, enum qeth_prot_versions prot);
996 void qeth_trace_features(struct qeth_card *);
997 void qeth_close_dev(struct qeth_card *);
998 int qeth_send_simple_setassparms(struct qeth_card *, enum qeth_ipa_funcs,
1000 int qeth_send_setassparms(struct qeth_card *, struct qeth_cmd_buffer *, __u16,
1002 int (*reply_cb)(struct qeth_card *,
1003 struct qeth_reply *, unsigned long),
1005 int qeth_setassparms_cb(struct qeth_card *, struct qeth_reply *, unsigned long);
1006 struct qeth_cmd_buffer *qeth_get_setassparms_cmd(struct qeth_card *,
1007 enum qeth_ipa_funcs,
1009 enum qeth_prot_versions);
1010 int qeth_set_features(struct net_device *, netdev_features_t);
1011 int qeth_recover_features(struct net_device *);
1012 netdev_features_t qeth_fix_features(struct net_device *, netdev_features_t);
1013 netdev_features_t qeth_features_check(struct sk_buff *skb,
1014 struct net_device *dev,
1015 netdev_features_t features);
1017 /* exports for OSN */
1018 int qeth_osn_assist(struct net_device *, void *, int);
1019 int qeth_osn_register(unsigned char *read_dev_no, struct net_device **,
1020 int (*assist_cb)(struct net_device *, void *),
1021 int (*data_cb)(struct sk_buff *));
1022 void qeth_osn_deregister(struct net_device *);
1024 #endif /* __QETH_CORE_H__ */