5 #include <linux/if_arp.h>
7 #include <linux/if_tr.h>
8 #include <linux/trdevice.h>
9 #include <linux/etherdevice.h>
10 #include <linux/if_vlan.h>
13 #include <linux/in6.h>
14 #include <net/if_inet6.h>
15 #include <net/addrconf.h>
18 #include <linux/bitops.h>
20 #include <asm/debug.h>
22 #include <asm/ccwdev.h>
23 #include <asm/ccwgroup.h>
27 #define VERSION_QETH_H "$Revision: 1.142 $"
29 #ifdef CONFIG_QETH_IPV6
30 #define QETH_VERSION_IPV6 ":IPv6"
32 #define QETH_VERSION_IPV6 ""
34 #ifdef CONFIG_QETH_VLAN
35 #define QETH_VERSION_VLAN ":VLAN"
37 #define QETH_VERSION_VLAN ""
41 * Debug Facility stuff
43 #define QETH_DBF_SETUP_NAME "qeth_setup"
44 #define QETH_DBF_SETUP_LEN 8
45 #define QETH_DBF_SETUP_PAGES 8
46 #define QETH_DBF_SETUP_NR_AREAS 1
47 #define QETH_DBF_SETUP_LEVEL 5
49 #define QETH_DBF_MISC_NAME "qeth_misc"
50 #define QETH_DBF_MISC_LEN 128
51 #define QETH_DBF_MISC_PAGES 2
52 #define QETH_DBF_MISC_NR_AREAS 1
53 #define QETH_DBF_MISC_LEVEL 2
55 #define QETH_DBF_DATA_NAME "qeth_data"
56 #define QETH_DBF_DATA_LEN 96
57 #define QETH_DBF_DATA_PAGES 8
58 #define QETH_DBF_DATA_NR_AREAS 1
59 #define QETH_DBF_DATA_LEVEL 2
61 #define QETH_DBF_CONTROL_NAME "qeth_control"
62 #define QETH_DBF_CONTROL_LEN 256
63 #define QETH_DBF_CONTROL_PAGES 8
64 #define QETH_DBF_CONTROL_NR_AREAS 2
65 #define QETH_DBF_CONTROL_LEVEL 5
67 #define QETH_DBF_TRACE_NAME "qeth_trace"
68 #define QETH_DBF_TRACE_LEN 8
69 #define QETH_DBF_TRACE_PAGES 4
70 #define QETH_DBF_TRACE_NR_AREAS 2
71 #define QETH_DBF_TRACE_LEVEL 3
72 extern debug_info_t *qeth_dbf_trace;
74 #define QETH_DBF_SENSE_NAME "qeth_sense"
75 #define QETH_DBF_SENSE_LEN 64
76 #define QETH_DBF_SENSE_PAGES 2
77 #define QETH_DBF_SENSE_NR_AREAS 1
78 #define QETH_DBF_SENSE_LEVEL 2
80 #define QETH_DBF_QERR_NAME "qeth_qerr"
81 #define QETH_DBF_QERR_LEN 8
82 #define QETH_DBF_QERR_PAGES 2
83 #define QETH_DBF_QERR_NR_AREAS 2
84 #define QETH_DBF_QERR_LEVEL 2
86 #define QETH_DBF_TEXT(name,level,text) \
88 debug_text_event(qeth_dbf_##name,level,text); \
91 #define QETH_DBF_HEX(name,level,addr,len) \
93 debug_event(qeth_dbf_##name,level,(void*)(addr),len); \
96 DECLARE_PER_CPU(char[256], qeth_dbf_txt_buf);
98 #define QETH_DBF_TEXT_(name,level,text...) \
100 char* dbf_txt_buf = get_cpu_var(qeth_dbf_txt_buf); \
101 sprintf(dbf_txt_buf, text); \
102 debug_text_event(qeth_dbf_##name,level,dbf_txt_buf); \
103 put_cpu_var(qeth_dbf_txt_buf); \
106 #define QETH_DBF_SPRINTF(name,level,text...) \
108 debug_sprintf_event(qeth_dbf_trace, level, ##text ); \
109 debug_sprintf_event(qeth_dbf_trace, level, text ); \
113 * some more debug stuff
115 #define PRINTK_HEADER "qeth: "
117 #define HEXDUMP16(importance,header,ptr) \
118 PRINT_##importance(header "%02x %02x %02x %02x %02x %02x %02x %02x " \
119 "%02x %02x %02x %02x %02x %02x %02x %02x\n", \
120 *(((char*)ptr)),*(((char*)ptr)+1),*(((char*)ptr)+2), \
121 *(((char*)ptr)+3),*(((char*)ptr)+4),*(((char*)ptr)+5), \
122 *(((char*)ptr)+6),*(((char*)ptr)+7),*(((char*)ptr)+8), \
123 *(((char*)ptr)+9),*(((char*)ptr)+10),*(((char*)ptr)+11), \
124 *(((char*)ptr)+12),*(((char*)ptr)+13), \
125 *(((char*)ptr)+14),*(((char*)ptr)+15)); \
126 PRINT_##importance(header "%02x %02x %02x %02x %02x %02x %02x %02x " \
127 "%02x %02x %02x %02x %02x %02x %02x %02x\n", \
128 *(((char*)ptr)+16),*(((char*)ptr)+17), \
129 *(((char*)ptr)+18),*(((char*)ptr)+19), \
130 *(((char*)ptr)+20),*(((char*)ptr)+21), \
131 *(((char*)ptr)+22),*(((char*)ptr)+23), \
132 *(((char*)ptr)+24),*(((char*)ptr)+25), \
133 *(((char*)ptr)+26),*(((char*)ptr)+27), \
134 *(((char*)ptr)+28),*(((char*)ptr)+29), \
135 *(((char*)ptr)+30),*(((char*)ptr)+31));
138 qeth_hex_dump(unsigned char *buf, size_t len)
142 for (i = 0; i < len; i++) {
145 printk("%02x ", *(buf + i));
150 #define SENSE_COMMAND_REJECT_BYTE 0
151 #define SENSE_COMMAND_REJECT_FLAG 0x80
152 #define SENSE_RESETTING_EVENT_BYTE 1
153 #define SENSE_RESETTING_EVENT_FLAG 0x80
155 #define atomic_swap(a,b) xchg((int *)a.counter, b)
158 * Common IO related definitions
160 extern struct device *qeth_root_dev;
161 extern struct ccw_driver qeth_ccw_driver;
162 extern struct ccwgroup_driver qeth_ccwgroup_driver;
164 #define CARD_RDEV(card) card->read.ccwdev
165 #define CARD_WDEV(card) card->write.ccwdev
166 #define CARD_DDEV(card) card->data.ccwdev
167 #define CARD_BUS_ID(card) card->gdev->dev.bus_id
168 #define CARD_RDEV_ID(card) card->read.ccwdev->dev.bus_id
169 #define CARD_WDEV_ID(card) card->write.ccwdev->dev.bus_id
170 #define CARD_DDEV_ID(card) card->data.ccwdev->dev.bus_id
171 #define CHANNEL_ID(channel) channel->ccwdev->dev.bus_id
173 #define CARD_FROM_CDEV(cdev) (struct qeth_card *) \
174 ((struct ccwgroup_device *)cdev->dev.driver_data)\
180 #ifdef CONFIG_QETH_PERF_STATS
181 struct qeth_perf_stats {
182 unsigned int bufs_rec;
183 unsigned int bufs_sent;
185 unsigned int skbs_sent_pack;
186 unsigned int bufs_sent_pack;
188 unsigned int sc_dp_p;
189 unsigned int sc_p_dp;
190 /* qdio_input_handler: number of times called, time spent in */
191 __u64 inbound_start_time;
192 unsigned int inbound_cnt;
193 unsigned int inbound_time;
194 /* qeth_send_packet: number of times called, time spent in */
195 __u64 outbound_start_time;
196 unsigned int outbound_cnt;
197 unsigned int outbound_time;
198 /* qdio_output_handler: number of times called, time spent in */
199 __u64 outbound_handler_start_time;
200 unsigned int outbound_handler_cnt;
201 unsigned int outbound_handler_time;
202 /* number of calls to and time spent in do_QDIO for inbound queue */
203 __u64 inbound_do_qdio_start_time;
204 unsigned int inbound_do_qdio_cnt;
205 unsigned int inbound_do_qdio_time;
206 /* number of calls to and time spent in do_QDIO for outbound queues */
207 __u64 outbound_do_qdio_start_time;
208 unsigned int outbound_do_qdio_cnt;
209 unsigned int outbound_do_qdio_time;
211 unsigned int large_send_bytes;
212 unsigned int large_send_cnt;
213 unsigned int sg_skbs_sent;
214 unsigned int sg_frags_sent;
216 #endif /* CONFIG_QETH_PERF_STATS */
219 struct qeth_routing_info {
220 enum qeth_routing_types type;
224 struct qeth_ipa_info {
225 __u32 supported_funcs;
230 qeth_is_ipa_supported(struct qeth_ipa_info *ipa, enum qeth_ipa_funcs func)
232 return (ipa->supported_funcs & func);
236 qeth_is_ipa_enabled(struct qeth_ipa_info *ipa, enum qeth_ipa_funcs func)
238 return (ipa->supported_funcs & ipa->enabled_funcs & func);
241 #define qeth_adp_supported(c,f) \
242 qeth_is_ipa_supported(&c->options.adp, f)
243 #define qeth_adp_enabled(c,f) \
244 qeth_is_ipa_enabled(&c->options.adp, f)
245 #define qeth_is_supported(c,f) \
246 qeth_is_ipa_supported(&c->options.ipa4, f)
247 #define qeth_is_enabled(c,f) \
248 qeth_is_ipa_enabled(&c->options.ipa4, f)
249 #ifdef CONFIG_QETH_IPV6
250 #define qeth_is_supported6(c,f) \
251 qeth_is_ipa_supported(&c->options.ipa6, f)
252 #define qeth_is_enabled6(c,f) \
253 qeth_is_ipa_enabled(&c->options.ipa6, f)
254 #else /* CONFIG_QETH_IPV6 */
255 #define qeth_is_supported6(c,f) 0
256 #define qeth_is_enabled6(c,f) 0
257 #endif /* CONFIG_QETH_IPV6 */
258 #define qeth_is_ipafunc_supported(c,prot,f) \
259 (prot==QETH_PROT_IPV6)? qeth_is_supported6(c,f):qeth_is_supported(c,f)
260 #define qeth_is_ipafunc_enabled(c,prot,f) \
261 (prot==QETH_PROT_IPV6)? qeth_is_enabled6(c,f):qeth_is_enabled(c,f)
264 #define QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT 0x0101
265 #define QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT 0x0101
266 #define QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT 0x4108
267 #define QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT 0x5108
269 #define QETH_MODELLIST_ARRAY \
270 {{0x1731,0x01,0x1732,0x01,QETH_CARD_TYPE_OSAE,1, \
271 QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT, \
272 QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT, \
273 QETH_MAX_QUEUES,0}, \
274 {0x1731,0x05,0x1732,0x05,QETH_CARD_TYPE_IQD,0, \
275 QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT, \
276 QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT, \
277 QETH_MAX_QUEUES,0x103}, \
278 {0x1731,0x06,0x1732,0x06,QETH_CARD_TYPE_OSN,0, \
279 QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT, \
280 QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT, \
281 QETH_MAX_QUEUES,0}, \
284 #define QETH_REAL_CARD 1
285 #define QETH_VLAN_CARD 2
286 #define QETH_BUFSIZE 4096
291 #define IF_NAME_LEN 16
292 #define QETH_TX_TIMEOUT 100 * HZ
293 #define QETH_HEADER_SIZE 32
294 #define MAX_PORTNO 15
295 #define QETH_FAKE_LL_LEN_ETH ETH_HLEN
296 #define QETH_FAKE_LL_LEN_TR (sizeof(struct trh_hdr)-TR_MAXRIFLEN+sizeof(struct trllc))
297 #define QETH_FAKE_LL_V6_ADDR_POS 24
299 /*IPv6 address autoconfiguration stuff*/
300 #define UNIQUE_ID_IF_CREATE_ADDR_FAILED 0xfffe
301 #define UNIQUE_ID_NOT_BY_CARD 0x10000
303 /*****************************************************************************/
304 /* QDIO queue and buffer handling */
305 /*****************************************************************************/
306 #define QETH_MAX_QUEUES 4
307 #define QETH_IN_BUF_SIZE_DEFAULT 65536
308 #define QETH_IN_BUF_COUNT_DEFAULT 16
309 #define QETH_IN_BUF_COUNT_MIN 8
310 #define QETH_IN_BUF_COUNT_MAX 128
311 #define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12)
312 #define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \
313 ((card)->qdio.in_buf_pool.buf_count / 2)
315 /* buffers we have to be behind before we get a PCI */
316 #define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1)
317 /*enqueued free buffers left before we get a PCI*/
318 #define QETH_PCI_THRESHOLD_B(card) 0
319 /*not used unless the microcode gets patched*/
320 #define QETH_PCI_TIMER_VALUE(card) 3
322 #define QETH_MIN_INPUT_THRESHOLD 1
323 #define QETH_MAX_INPUT_THRESHOLD 500
324 #define QETH_MIN_OUTPUT_THRESHOLD 1
325 #define QETH_MAX_OUTPUT_THRESHOLD 300
327 /* priority queing */
328 #define QETH_PRIOQ_DEFAULT QETH_NO_PRIO_QUEUEING
329 #define QETH_DEFAULT_QUEUE 2
330 #define QETH_NO_PRIO_QUEUEING 0
331 #define QETH_PRIO_Q_ING_PREC 1
332 #define QETH_PRIO_Q_ING_TOS 2
333 #define IP_TOS_LOWDELAY 0x10
334 #define IP_TOS_HIGHTHROUGHPUT 0x08
335 #define IP_TOS_HIGHRELIABILITY 0x04
336 #define IP_TOS_NOTIMPORTANT 0x02
339 #define QETH_LOW_WATERMARK_PACK 2
340 #define QETH_HIGH_WATERMARK_PACK 5
341 #define QETH_WATERMARK_PACK_FUZZ 1
343 #define QETH_IP_HEADER_SIZE 40
345 struct qeth_hdr_layer3 {
348 __u16 inbound_checksum; /*TSO:__u16 seqno */
349 __u32 token; /*TSO: __u32 reserved */
356 } __attribute__ ((packed));
358 struct qeth_hdr_layer2 {
368 } __attribute__ ((packed));
370 struct qeth_hdr_osn {
379 } __attribute__ ((packed));
383 struct qeth_hdr_layer2 l2;
384 struct qeth_hdr_layer3 l3;
385 struct qeth_hdr_osn osn;
387 } __attribute__ ((packed));
389 /*TCP Segmentation Offload header*/
390 struct qeth_hdr_ext_tso {
401 } __attribute__ ((packed));
403 struct qeth_hdr_tso {
404 struct qeth_hdr hdr; /*hdr->hdr.l3.xxx*/
405 struct qeth_hdr_ext_tso ext;
406 } __attribute__ ((packed));
409 /* flags for qeth_hdr.flags */
410 #define QETH_HDR_PASSTHRU 0x10
411 #define QETH_HDR_IPV6 0x80
412 #define QETH_HDR_CAST_MASK 0x07
413 enum qeth_cast_flags {
414 QETH_CAST_UNICAST = 0x06,
415 QETH_CAST_MULTICAST = 0x04,
416 QETH_CAST_BROADCAST = 0x05,
417 QETH_CAST_ANYCAST = 0x07,
418 QETH_CAST_NOCAST = 0x00,
421 enum qeth_layer2_frame_flags {
422 QETH_LAYER2_FLAG_MULTICAST = 0x01,
423 QETH_LAYER2_FLAG_BROADCAST = 0x02,
424 QETH_LAYER2_FLAG_UNICAST = 0x04,
425 QETH_LAYER2_FLAG_VLAN = 0x10,
428 enum qeth_header_ids {
429 QETH_HEADER_TYPE_LAYER3 = 0x01,
430 QETH_HEADER_TYPE_LAYER2 = 0x02,
431 QETH_HEADER_TYPE_TSO = 0x03,
432 QETH_HEADER_TYPE_OSN = 0x04,
434 /* flags for qeth_hdr.ext_flags */
435 #define QETH_HDR_EXT_VLAN_FRAME 0x01
436 #define QETH_HDR_EXT_TOKEN_ID 0x02
437 #define QETH_HDR_EXT_INCLUDE_VLAN_TAG 0x04
438 #define QETH_HDR_EXT_SRC_MAC_ADDR 0x08
439 #define QETH_HDR_EXT_CSUM_HDR_REQ 0x10
440 #define QETH_HDR_EXT_CSUM_TRANSP_REQ 0x20
441 #define QETH_HDR_EXT_UDP_TSO 0x40 /*bit off for TCP*/
444 qeth_is_last_sbale(struct qdio_buffer_element *sbale)
446 return (sbale->flags & SBAL_FLAGS_LAST_ENTRY);
449 enum qeth_qdio_buffer_states {
451 * inbound: read out by driver; owned by hardware in order to be filled
452 * outbound: owned by driver in order to be filled
456 * inbound: filled by hardware; owned by driver in order to be read out
457 * outbound: filled by driver; owned by hardware in order to be sent
459 QETH_QDIO_BUF_PRIMED,
462 enum qeth_qdio_info_states {
463 QETH_QDIO_UNINITIALIZED,
465 QETH_QDIO_ESTABLISHED,
468 struct qeth_buffer_pool_entry {
469 struct list_head list;
470 struct list_head init_list;
471 void *elements[QDIO_MAX_ELEMENTS_PER_BUFFER];
474 struct qeth_qdio_buffer_pool {
475 struct list_head entry_list;
479 struct qeth_qdio_buffer {
480 struct qdio_buffer *buffer;
481 volatile enum qeth_qdio_buffer_states state;
482 /* the buffer pool entry currently associated to this buffer */
483 struct qeth_buffer_pool_entry *pool_entry;
487 struct qdio_buffer qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
488 struct qeth_qdio_buffer bufs[QDIO_MAX_BUFFERS_PER_Q];
490 * buf_to_init means "buffer must be initialized by driver and must
491 * be made available for hardware" -> state is set to EMPTY
493 volatile int next_buf_to_init;
494 } __attribute__ ((aligned(256)));
496 /* possible types of qeth large_send support */
497 enum qeth_large_send_types {
499 QETH_LARGE_SEND_EDDP,
503 struct qeth_qdio_out_buffer {
504 struct qdio_buffer *buffer;
506 volatile int next_element_to_fill;
507 struct sk_buff_head skb_list;
508 struct list_head ctx_list;
513 enum qeth_out_q_states {
516 QETH_OUT_Q_LOCKED_FLUSH,
519 struct qeth_qdio_out_q {
520 struct qdio_buffer qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
521 struct qeth_qdio_out_buffer bufs[QDIO_MAX_BUFFERS_PER_Q];
523 struct qeth_card *card;
525 volatile int do_pack;
527 * index of buffer to be filled by driver; state EMPTY or PACKING
529 volatile int next_buf_to_fill;
531 * number of buffers that are currently filled (PRIMED)
532 * -> these buffers are hardware-owned
534 atomic_t used_buffers;
535 /* indicates whether PCI flag must be set (or if one is outstanding) */
536 atomic_t set_pci_flags_count;
537 } __attribute__ ((aligned(256)));
539 struct qeth_qdio_info {
540 volatile enum qeth_qdio_info_states state;
542 struct qeth_qdio_q *in_q;
543 struct qeth_qdio_buffer_pool in_buf_pool;
544 struct qeth_qdio_buffer_pool init_pool;
549 struct qeth_qdio_out_q **out_qs;
551 /* priority queueing */
552 int do_prio_queueing;
553 int default_out_queue;
556 enum qeth_send_errors {
557 QETH_SEND_ERROR_NONE,
558 QETH_SEND_ERROR_LINK_FAILURE,
559 QETH_SEND_ERROR_RETRY,
560 QETH_SEND_ERROR_KICK_IT,
563 #define QETH_ETH_MAC_V4 0x0100 /* like v4 */
564 #define QETH_ETH_MAC_V6 0x3333 /* like v6 */
565 /* tr mc mac is longer, but that will be enough to detect mc frames */
566 #define QETH_TR_MAC_NC 0xc000 /* non-canonical */
567 #define QETH_TR_MAC_C 0x0300 /* canonical */
569 #define DEFAULT_ADD_HHLEN 0
570 #define MAX_ADD_HHLEN 1024
573 * buffer stuff for read channel
575 #define QETH_CMD_BUFFER_NO 8
578 * channel state machine
580 enum qeth_channel_states {
590 enum qeth_card_states {
592 CARD_STATE_HARDSETUP,
593 CARD_STATE_SOFTSETUP,
601 enum qeth_prot_versions {
602 QETH_PROT_IPV4 = 0x0004,
603 QETH_PROT_IPV6 = 0x0006,
610 QETH_IP_TYPE_DEL_ALL_MC,
613 enum qeth_cmd_buffer_state {
619 * IP address and multicast list
622 struct list_head entry;
623 enum qeth_ip_types type;
624 enum qeth_ipa_setdelip_flags set_flags;
625 enum qeth_ipa_setdelip_flags del_flags;
628 enum qeth_prot_versions proto;
629 unsigned char mac[OSA_ADDR_LEN];
636 struct in6_addr addr;
642 struct qeth_ipato_entry {
643 struct list_head entry;
644 enum qeth_prot_versions proto;
653 struct list_head entries;
658 struct qeth_cmd_buffer {
659 enum qeth_cmd_buffer_state state;
660 struct qeth_channel *channel;
663 void (*callback) (struct qeth_channel *, struct qeth_cmd_buffer *);
668 * definition of a qeth channel, used for read and write
670 struct qeth_channel {
671 enum qeth_channel_states state;
674 wait_queue_head_t wait_q;
675 struct tasklet_struct irq_tasklet;
676 struct ccw_device *ccwdev;
677 /*command buffer for control data*/
678 struct qeth_cmd_buffer iob[QETH_CMD_BUFFER_NO];
679 atomic_t irq_pending;
680 volatile int io_buf_no;
685 * OSA card related definitions
692 __u32 cm_connection_w;
693 __u32 cm_connection_r;
696 __u32 ulp_connection_w;
697 __u32 ulp_connection_r;
709 struct list_head list;
710 wait_queue_head_t wait_q;
711 int (*callback)(struct qeth_card *,struct qeth_reply *,unsigned long);
713 unsigned long offset;
717 struct qeth_card *card;
721 #define QETH_BROADCAST_WITH_ECHO 1
722 #define QETH_BROADCAST_WITHOUT_ECHO 2
724 struct qeth_card_blkt {
727 int inter_packet_jumbo;
732 struct qeth_card_info {
733 unsigned short unit_addr2;
735 unsigned short chpid;
737 char mcl_level[QETH_MCL_LENGTH + 1];
739 int layer2_mac_registered;
740 int portname_required;
743 enum qeth_card_types type;
744 enum qeth_link_types link_type;
745 int is_multicast_different;
748 int broadcast_capable;
750 struct qeth_card_blkt blkt;
754 struct qeth_card_options {
755 struct qeth_routing_info route4;
756 struct qeth_ipa_info ipa4;
757 struct qeth_ipa_info adp; /*Adapter parameters*/
758 #ifdef CONFIG_QETH_IPV6
759 struct qeth_routing_info route6;
760 struct qeth_ipa_info ipa6;
761 #endif /* QETH_IPV6 */
762 enum qeth_checksum_types checksum_type;
769 enum qeth_large_send_types large_send;
773 * thread bits for qeth_card thread masks
776 QETH_SET_IP_THREAD = 1,
777 QETH_RECOVER_THREAD = 2,
780 struct qeth_osn_info {
781 int (*assist_cb)(struct net_device *dev, void *data);
782 int (*data_cb)(struct sk_buff *skb);
786 struct list_head list;
787 enum qeth_card_states state;
790 /*hardware and sysfs stuff*/
791 struct ccwgroup_device *gdev;
792 struct qeth_channel read;
793 struct qeth_channel write;
794 struct qeth_channel data;
796 struct net_device *dev;
797 struct net_device_stats stats;
799 struct qeth_card_info info;
800 struct qeth_token token;
801 struct qeth_seqno seqno;
802 struct qeth_card_options options;
804 wait_queue_head_t wait_q;
805 #ifdef CONFIG_QETH_VLAN
807 struct vlan_group *vlangrp;
809 struct work_struct kernel_thread_starter;
810 spinlock_t thread_mask_lock;
811 volatile unsigned long thread_start_mask;
812 volatile unsigned long thread_allowed_mask;
813 volatile unsigned long thread_running_mask;
815 struct list_head ip_list;
816 struct list_head *ip_tbd_list;
817 struct qeth_ipato ipato;
818 struct list_head cmd_waiter_list;
819 /* QDIO buffer handling */
820 struct qeth_qdio_info qdio;
821 #ifdef CONFIG_QETH_PERF_STATS
822 struct qeth_perf_stats perf_stats;
823 #endif /* CONFIG_QETH_PERF_STATS */
825 int (*orig_hard_header)(struct sk_buff *,struct net_device *,
826 unsigned short,void *,void *,unsigned);
827 struct qeth_osn_info osn_info;
830 struct qeth_card_list_struct {
831 struct list_head list;
835 extern struct qeth_card_list_struct qeth_card_list;
838 struct qeth_notify_list_struct {
839 struct list_head list;
840 struct task_struct *task;
843 extern spinlock_t qeth_notify_lock;
844 extern struct list_head qeth_notify_list;
846 /*some helper functions*/
848 #define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "")
851 qeth_get_ipa_adp_type(enum qeth_link_types link_type)
854 case QETH_LINK_TYPE_HSTR:
862 qeth_realloc_headroom(struct qeth_card *card, struct sk_buff **skb, int size)
864 struct sk_buff *new_skb = NULL;
866 if (skb_headroom(*skb) < size){
867 new_skb = skb_realloc_headroom(*skb, size);
869 PRINT_ERR("qeth_prepare_skb: could "
870 "not realloc headroom for qeth_hdr "
871 "on interface %s", QETH_CARD_IFNAME(card));
880 static inline struct sk_buff *
881 qeth_pskb_unshare(struct sk_buff *skb, int pri)
883 struct sk_buff *nskb;
884 if (!skb_cloned(skb))
886 nskb = skb_copy(skb, pri);
887 kfree_skb(skb); /* free our shared copy */
892 qeth_push_skb(struct qeth_card *card, struct sk_buff **skb, int size)
896 hdr = (void *) skb_push(*skb, size);
898 * sanity check, the Linux memory allocation scheme should
899 * never present us cases like this one (the qdio header size plus
900 * the first 40 bytes of the paket cross a 4k boundary)
902 if ((((unsigned long) hdr) & (~(PAGE_SIZE - 1))) !=
903 (((unsigned long) hdr + size +
904 QETH_IP_HEADER_SIZE) & (~(PAGE_SIZE - 1)))) {
905 PRINT_ERR("qeth_prepare_skb: misaligned "
906 "packet on interface %s. Discarded.",
907 QETH_CARD_IFNAME(card));
915 qeth_get_hlen(__u8 link_type)
917 #ifdef CONFIG_QETH_IPV6
919 case QETH_LINK_TYPE_HSTR:
920 case QETH_LINK_TYPE_LANE_TR:
921 return sizeof(struct qeth_hdr_tso) + TR_HLEN;
923 #ifdef CONFIG_QETH_VLAN
924 return sizeof(struct qeth_hdr_tso) + VLAN_ETH_HLEN;
926 return sizeof(struct qeth_hdr_tso) + ETH_HLEN;
929 #else /* CONFIG_QETH_IPV6 */
930 #ifdef CONFIG_QETH_VLAN
931 return sizeof(struct qeth_hdr_tso) + VLAN_HLEN;
933 return sizeof(struct qeth_hdr_tso);
935 #endif /* CONFIG_QETH_IPV6 */
938 static inline unsigned short
939 qeth_get_netdev_flags(struct qeth_card *card)
941 if (card->options.layer2 &&
942 (card->info.type == QETH_CARD_TYPE_OSAE))
944 switch (card->info.type) {
945 case QETH_CARD_TYPE_IQD:
946 case QETH_CARD_TYPE_OSN:
948 #ifdef CONFIG_QETH_IPV6
959 qeth_get_initial_mtu_for_card(struct qeth_card * card)
961 switch (card->info.type) {
962 case QETH_CARD_TYPE_UNKNOWN:
964 case QETH_CARD_TYPE_IQD:
965 return card->info.max_mtu;
966 case QETH_CARD_TYPE_OSAE:
967 switch (card->info.link_type) {
968 case QETH_LINK_TYPE_HSTR:
969 case QETH_LINK_TYPE_LANE_TR:
980 qeth_get_max_mtu_for_card(int cardtype)
984 case QETH_CARD_TYPE_UNKNOWN:
985 case QETH_CARD_TYPE_OSAE:
986 case QETH_CARD_TYPE_OSN:
988 case QETH_CARD_TYPE_IQD:
996 qeth_get_mtu_out_of_mpc(int cardtype)
999 case QETH_CARD_TYPE_IQD:
1007 qeth_get_mtu_outof_framesize(int framesize)
1009 switch (framesize) {
1024 qeth_mtu_is_valid(struct qeth_card * card, int mtu)
1026 switch (card->info.type) {
1027 case QETH_CARD_TYPE_OSAE:
1028 return ((mtu >= 576) && (mtu <= 61440));
1029 case QETH_CARD_TYPE_IQD:
1030 return ((mtu >= 576) &&
1031 (mtu <= card->info.max_mtu + 4096 - 32));
1032 case QETH_CARD_TYPE_OSN:
1033 case QETH_CARD_TYPE_UNKNOWN:
1040 qeth_get_arphdr_type(int cardtype, int linktype)
1043 case QETH_CARD_TYPE_OSAE:
1044 case QETH_CARD_TYPE_OSN:
1046 case QETH_LINK_TYPE_LANE_TR:
1047 case QETH_LINK_TYPE_HSTR:
1048 return ARPHRD_IEEE802_TR;
1050 return ARPHRD_ETHER;
1052 case QETH_CARD_TYPE_IQD:
1054 return ARPHRD_ETHER;
1058 #ifdef CONFIG_QETH_PERF_STATS
1060 qeth_get_micros(void)
1062 return (int) (get_clock() >> 12);
1067 qeth_get_qdio_q_format(struct qeth_card *card)
1069 switch (card->info.type) {
1070 case QETH_CARD_TYPE_IQD:
1078 qeth_ipaddr4_to_string(const __u8 *addr, char *buf)
1080 sprintf(buf, "%i.%i.%i.%i", addr[0], addr[1], addr[2], addr[3]);
1084 qeth_string_to_ipaddr4(const char *buf, __u8 *addr)
1086 const char *start, *end;
1093 for (i = 0; i < 3; i++) {
1094 if (!(end = strchr(start, '.')))
1098 strncpy(abuf, start, len);
1099 addr[i] = simple_strtoul(abuf, &tmp, 10);
1103 strcpy(abuf, start);
1104 addr[3] = simple_strtoul(abuf, &tmp, 10);
1109 qeth_ipaddr6_to_string(const __u8 *addr, char *buf)
1111 sprintf(buf, "%02x%02x:%02x%02x:%02x%02x:%02x%02x"
1112 ":%02x%02x:%02x%02x:%02x%02x:%02x%02x",
1113 addr[0], addr[1], addr[2], addr[3],
1114 addr[4], addr[5], addr[6], addr[7],
1115 addr[8], addr[9], addr[10], addr[11],
1116 addr[12], addr[13], addr[14], addr[15]);
1120 qeth_string_to_ipaddr6(const char *buf, __u8 *addr)
1122 const char *start, *end;
1129 tmp_addr = (u16 *)addr;
1131 for (i = 0; i < 7; i++) {
1132 if (!(end = strchr(start, ':')))
1136 strncpy(abuf, start, len);
1137 tmp_addr[i] = simple_strtoul(abuf, &tmp, 16);
1141 strcpy(abuf, start);
1142 tmp_addr[7] = simple_strtoul(abuf, &tmp, 16);
1147 qeth_ipaddr_to_string(enum qeth_prot_versions proto, const __u8 *addr,
1150 if (proto == QETH_PROT_IPV4)
1151 return qeth_ipaddr4_to_string(addr, buf);
1152 else if (proto == QETH_PROT_IPV6)
1153 return qeth_ipaddr6_to_string(addr, buf);
1157 qeth_string_to_ipaddr(const char *buf, enum qeth_prot_versions proto,
1160 if (proto == QETH_PROT_IPV4)
1161 return qeth_string_to_ipaddr4(buf, addr);
1162 else if (proto == QETH_PROT_IPV6)
1163 return qeth_string_to_ipaddr6(buf, addr);
1169 qeth_setrouting_v4(struct qeth_card *);
1171 qeth_setrouting_v6(struct qeth_card *);
1174 qeth_add_ipato_entry(struct qeth_card *, struct qeth_ipato_entry *);
1177 qeth_del_ipato_entry(struct qeth_card *, enum qeth_prot_versions, u8 *, int);
1180 qeth_add_vipa(struct qeth_card *, enum qeth_prot_versions, const u8 *);
1183 qeth_del_vipa(struct qeth_card *, enum qeth_prot_versions, const u8 *);
1186 qeth_add_rxip(struct qeth_card *, enum qeth_prot_versions, const u8 *);
1189 qeth_del_rxip(struct qeth_card *, enum qeth_prot_versions, const u8 *);
1192 qeth_notifier_register(struct task_struct *, int );
1195 qeth_notifier_unregister(struct task_struct * );
1198 qeth_schedule_recovery(struct qeth_card *);
1201 qeth_realloc_buffer_pool(struct qeth_card *, int);
1204 qeth_set_large_send(struct qeth_card *, enum qeth_large_send_types);
1207 qeth_fill_header(struct qeth_card *, struct qeth_hdr *,
1208 struct sk_buff *, int, int);
1210 qeth_flush_buffers(struct qeth_qdio_out_q *, int, int, int);
1213 qeth_osn_assist(struct net_device *, void *, int);
1216 qeth_osn_register(unsigned char *read_dev_no,
1217 struct net_device **,
1218 int (*assist_cb)(struct net_device *, void *),
1219 int (*data_cb)(struct sk_buff *));
1222 qeth_osn_deregister(struct net_device *);
1224 #endif /* __QETH_H__ */