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}, \
280 #define QETH_REAL_CARD 1
281 #define QETH_VLAN_CARD 2
282 #define QETH_BUFSIZE 4096
287 #define IF_NAME_LEN 16
288 #define QETH_TX_TIMEOUT 100 * HZ
289 #define QETH_HEADER_SIZE 32
290 #define MAX_PORTNO 15
291 #define QETH_FAKE_LL_LEN_ETH ETH_HLEN
292 #define QETH_FAKE_LL_LEN_TR (sizeof(struct trh_hdr)-TR_MAXRIFLEN+sizeof(struct trllc))
293 #define QETH_FAKE_LL_V6_ADDR_POS 24
295 /*IPv6 address autoconfiguration stuff*/
296 #define UNIQUE_ID_IF_CREATE_ADDR_FAILED 0xfffe
297 #define UNIQUE_ID_NOT_BY_CARD 0x10000
299 /*****************************************************************************/
300 /* QDIO queue and buffer handling */
301 /*****************************************************************************/
302 #define QETH_MAX_QUEUES 4
303 #define QETH_IN_BUF_SIZE_DEFAULT 65536
304 #define QETH_IN_BUF_COUNT_DEFAULT 16
305 #define QETH_IN_BUF_COUNT_MIN 8
306 #define QETH_IN_BUF_COUNT_MAX 128
307 #define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12)
308 #define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \
309 ((card)->qdio.in_buf_pool.buf_count / 2)
311 /* buffers we have to be behind before we get a PCI */
312 #define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1)
313 /*enqueued free buffers left before we get a PCI*/
314 #define QETH_PCI_THRESHOLD_B(card) 0
315 /*not used unless the microcode gets patched*/
316 #define QETH_PCI_TIMER_VALUE(card) 3
318 #define QETH_MIN_INPUT_THRESHOLD 1
319 #define QETH_MAX_INPUT_THRESHOLD 500
320 #define QETH_MIN_OUTPUT_THRESHOLD 1
321 #define QETH_MAX_OUTPUT_THRESHOLD 300
323 /* priority queing */
324 #define QETH_PRIOQ_DEFAULT QETH_NO_PRIO_QUEUEING
325 #define QETH_DEFAULT_QUEUE 2
326 #define QETH_NO_PRIO_QUEUEING 0
327 #define QETH_PRIO_Q_ING_PREC 1
328 #define QETH_PRIO_Q_ING_TOS 2
329 #define IP_TOS_LOWDELAY 0x10
330 #define IP_TOS_HIGHTHROUGHPUT 0x08
331 #define IP_TOS_HIGHRELIABILITY 0x04
332 #define IP_TOS_NOTIMPORTANT 0x02
335 #define QETH_LOW_WATERMARK_PACK 2
336 #define QETH_HIGH_WATERMARK_PACK 5
337 #define QETH_WATERMARK_PACK_FUZZ 1
339 #define QETH_IP_HEADER_SIZE 40
341 struct qeth_hdr_layer3 {
344 __u16 inbound_checksum; /*TSO:__u16 seqno */
345 __u32 token; /*TSO: __u32 reserved */
352 } __attribute__ ((packed));
354 struct qeth_hdr_layer2 {
364 } __attribute__ ((packed));
368 struct qeth_hdr_layer2 l2;
369 struct qeth_hdr_layer3 l3;
371 } __attribute__ ((packed));
373 /*TCP Segmentation Offload header*/
374 struct qeth_hdr_ext_tso {
385 } __attribute__ ((packed));
387 struct qeth_hdr_tso {
388 struct qeth_hdr hdr; /*hdr->hdr.l3.xxx*/
389 struct qeth_hdr_ext_tso ext;
390 } __attribute__ ((packed));
393 /* flags for qeth_hdr.flags */
394 #define QETH_HDR_PASSTHRU 0x10
395 #define QETH_HDR_IPV6 0x80
396 #define QETH_HDR_CAST_MASK 0x07
397 enum qeth_cast_flags {
398 QETH_CAST_UNICAST = 0x06,
399 QETH_CAST_MULTICAST = 0x04,
400 QETH_CAST_BROADCAST = 0x05,
401 QETH_CAST_ANYCAST = 0x07,
402 QETH_CAST_NOCAST = 0x00,
405 enum qeth_layer2_frame_flags {
406 QETH_LAYER2_FLAG_MULTICAST = 0x01,
407 QETH_LAYER2_FLAG_BROADCAST = 0x02,
408 QETH_LAYER2_FLAG_UNICAST = 0x04,
409 QETH_LAYER2_FLAG_VLAN = 0x10,
412 enum qeth_header_ids {
413 QETH_HEADER_TYPE_LAYER3 = 0x01,
414 QETH_HEADER_TYPE_LAYER2 = 0x02,
415 QETH_HEADER_TYPE_TSO = 0x03,
417 /* flags for qeth_hdr.ext_flags */
418 #define QETH_HDR_EXT_VLAN_FRAME 0x01
419 #define QETH_HDR_EXT_TOKEN_ID 0x02
420 #define QETH_HDR_EXT_INCLUDE_VLAN_TAG 0x04
421 #define QETH_HDR_EXT_SRC_MAC_ADDR 0x08
422 #define QETH_HDR_EXT_CSUM_HDR_REQ 0x10
423 #define QETH_HDR_EXT_CSUM_TRANSP_REQ 0x20
424 #define QETH_HDR_EXT_UDP_TSO 0x40 /*bit off for TCP*/
427 qeth_is_last_sbale(struct qdio_buffer_element *sbale)
429 return (sbale->flags & SBAL_FLAGS_LAST_ENTRY);
432 enum qeth_qdio_buffer_states {
434 * inbound: read out by driver; owned by hardware in order to be filled
435 * outbound: owned by driver in order to be filled
439 * inbound: filled by hardware; owned by driver in order to be read out
440 * outbound: filled by driver; owned by hardware in order to be sent
442 QETH_QDIO_BUF_PRIMED,
445 enum qeth_qdio_info_states {
446 QETH_QDIO_UNINITIALIZED,
448 QETH_QDIO_ESTABLISHED,
451 struct qeth_buffer_pool_entry {
452 struct list_head list;
453 struct list_head init_list;
454 void *elements[QDIO_MAX_ELEMENTS_PER_BUFFER];
457 struct qeth_qdio_buffer_pool {
458 struct list_head entry_list;
462 struct qeth_qdio_buffer {
463 struct qdio_buffer *buffer;
464 volatile enum qeth_qdio_buffer_states state;
465 /* the buffer pool entry currently associated to this buffer */
466 struct qeth_buffer_pool_entry *pool_entry;
470 struct qdio_buffer qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
471 struct qeth_qdio_buffer bufs[QDIO_MAX_BUFFERS_PER_Q];
473 * buf_to_init means "buffer must be initialized by driver and must
474 * be made available for hardware" -> state is set to EMPTY
476 volatile int next_buf_to_init;
477 } __attribute__ ((aligned(256)));
479 /* possible types of qeth large_send support */
480 enum qeth_large_send_types {
482 QETH_LARGE_SEND_EDDP,
486 struct qeth_qdio_out_buffer {
487 struct qdio_buffer *buffer;
489 volatile int next_element_to_fill;
490 struct sk_buff_head skb_list;
491 struct list_head ctx_list;
496 enum qeth_out_q_states {
499 QETH_OUT_Q_LOCKED_FLUSH,
502 struct qeth_qdio_out_q {
503 struct qdio_buffer qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
504 struct qeth_qdio_out_buffer bufs[QDIO_MAX_BUFFERS_PER_Q];
506 struct qeth_card *card;
508 volatile int do_pack;
510 * index of buffer to be filled by driver; state EMPTY or PACKING
512 volatile int next_buf_to_fill;
514 * number of buffers that are currently filled (PRIMED)
515 * -> these buffers are hardware-owned
517 atomic_t used_buffers;
518 /* indicates whether PCI flag must be set (or if one is outstanding) */
519 atomic_t set_pci_flags_count;
520 } __attribute__ ((aligned(256)));
522 struct qeth_qdio_info {
523 volatile enum qeth_qdio_info_states state;
525 struct qeth_qdio_q *in_q;
526 struct qeth_qdio_buffer_pool in_buf_pool;
527 struct qeth_qdio_buffer_pool init_pool;
532 struct qeth_qdio_out_q **out_qs;
534 /* priority queueing */
535 int do_prio_queueing;
536 int default_out_queue;
539 enum qeth_send_errors {
540 QETH_SEND_ERROR_NONE,
541 QETH_SEND_ERROR_LINK_FAILURE,
542 QETH_SEND_ERROR_RETRY,
543 QETH_SEND_ERROR_KICK_IT,
546 #define QETH_ETH_MAC_V4 0x0100 /* like v4 */
547 #define QETH_ETH_MAC_V6 0x3333 /* like v6 */
548 /* tr mc mac is longer, but that will be enough to detect mc frames */
549 #define QETH_TR_MAC_NC 0xc000 /* non-canonical */
550 #define QETH_TR_MAC_C 0x0300 /* canonical */
552 #define DEFAULT_ADD_HHLEN 0
553 #define MAX_ADD_HHLEN 1024
556 * buffer stuff for read channel
558 #define QETH_CMD_BUFFER_NO 8
561 * channel state machine
563 enum qeth_channel_states {
573 enum qeth_card_states {
575 CARD_STATE_HARDSETUP,
576 CARD_STATE_SOFTSETUP,
584 enum qeth_prot_versions {
585 QETH_PROT_SNA = 0x0001,
586 QETH_PROT_IPV4 = 0x0004,
587 QETH_PROT_IPV6 = 0x0006,
594 QETH_IP_TYPE_DEL_ALL_MC,
597 enum qeth_cmd_buffer_state {
603 * IP address and multicast list
606 struct list_head entry;
607 enum qeth_ip_types type;
608 enum qeth_ipa_setdelip_flags set_flags;
609 enum qeth_ipa_setdelip_flags del_flags;
612 enum qeth_prot_versions proto;
613 unsigned char mac[OSA_ADDR_LEN];
620 struct in6_addr addr;
626 struct qeth_ipato_entry {
627 struct list_head entry;
628 enum qeth_prot_versions proto;
637 struct list_head entries;
642 struct qeth_cmd_buffer {
643 enum qeth_cmd_buffer_state state;
644 struct qeth_channel *channel;
647 void (*callback) (struct qeth_channel *, struct qeth_cmd_buffer *);
652 * definition of a qeth channel, used for read and write
654 struct qeth_channel {
655 enum qeth_channel_states state;
658 wait_queue_head_t wait_q;
659 struct tasklet_struct irq_tasklet;
660 struct ccw_device *ccwdev;
661 /*command buffer for control data*/
662 struct qeth_cmd_buffer iob[QETH_CMD_BUFFER_NO];
663 atomic_t irq_pending;
664 volatile int io_buf_no;
669 * OSA card related definitions
676 __u32 cm_connection_w;
677 __u32 cm_connection_r;
680 __u32 ulp_connection_w;
681 __u32 ulp_connection_r;
692 struct list_head list;
693 wait_queue_head_t wait_q;
694 int (*callback)(struct qeth_card *,struct qeth_reply *,unsigned long);
696 unsigned long offset;
700 struct qeth_card *card;
704 #define QETH_BROADCAST_WITH_ECHO 1
705 #define QETH_BROADCAST_WITHOUT_ECHO 2
707 struct qeth_card_blkt {
710 int inter_packet_jumbo;
715 struct qeth_card_info {
716 unsigned short unit_addr2;
718 unsigned short chpid;
720 char mcl_level[QETH_MCL_LENGTH + 1];
722 int layer2_mac_registered;
723 int portname_required;
726 enum qeth_card_types type;
727 enum qeth_link_types link_type;
728 int is_multicast_different;
731 int broadcast_capable;
733 struct qeth_card_blkt blkt;
737 struct qeth_card_options {
738 struct qeth_routing_info route4;
739 struct qeth_ipa_info ipa4;
740 struct qeth_ipa_info adp; /*Adapter parameters*/
741 #ifdef CONFIG_QETH_IPV6
742 struct qeth_routing_info route6;
743 struct qeth_ipa_info ipa6;
744 #endif /* QETH_IPV6 */
745 enum qeth_checksum_types checksum_type;
752 enum qeth_large_send_types large_send;
756 * thread bits for qeth_card thread masks
759 QETH_SET_IP_THREAD = 1,
760 QETH_RECOVER_THREAD = 2,
764 struct list_head list;
765 enum qeth_card_states state;
768 /*hardware and sysfs stuff*/
769 struct ccwgroup_device *gdev;
770 struct qeth_channel read;
771 struct qeth_channel write;
772 struct qeth_channel data;
774 struct net_device *dev;
775 struct net_device_stats stats;
777 struct qeth_card_info info;
778 struct qeth_token token;
779 struct qeth_seqno seqno;
780 struct qeth_card_options options;
782 wait_queue_head_t wait_q;
783 #ifdef CONFIG_QETH_VLAN
785 struct vlan_group *vlangrp;
787 struct work_struct kernel_thread_starter;
788 spinlock_t thread_mask_lock;
789 volatile unsigned long thread_start_mask;
790 volatile unsigned long thread_allowed_mask;
791 volatile unsigned long thread_running_mask;
793 struct list_head ip_list;
794 struct list_head *ip_tbd_list;
795 struct qeth_ipato ipato;
796 struct list_head cmd_waiter_list;
797 /* QDIO buffer handling */
798 struct qeth_qdio_info qdio;
799 #ifdef CONFIG_QETH_PERF_STATS
800 struct qeth_perf_stats perf_stats;
801 #endif /* CONFIG_QETH_PERF_STATS */
803 int (*orig_hard_header)(struct sk_buff *,struct net_device *,
804 unsigned short,void *,void *,unsigned);
807 struct qeth_card_list_struct {
808 struct list_head list;
812 extern struct qeth_card_list_struct qeth_card_list;
815 struct qeth_notify_list_struct {
816 struct list_head list;
817 struct task_struct *task;
820 extern spinlock_t qeth_notify_lock;
821 extern struct list_head qeth_notify_list;
823 /*some helper functions*/
825 #define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "")
828 qeth_get_ipa_adp_type(enum qeth_link_types link_type)
831 case QETH_LINK_TYPE_HSTR:
839 qeth_realloc_headroom(struct qeth_card *card, struct sk_buff **skb, int size)
841 struct sk_buff *new_skb = NULL;
843 if (skb_headroom(*skb) < size){
844 new_skb = skb_realloc_headroom(*skb, size);
846 PRINT_ERR("qeth_prepare_skb: could "
847 "not realloc headroom for qeth_hdr "
848 "on interface %s", QETH_CARD_IFNAME(card));
856 static inline struct sk_buff *
857 qeth_pskb_unshare(struct sk_buff *skb, int pri)
859 struct sk_buff *nskb;
860 if (!skb_cloned(skb))
862 nskb = skb_copy(skb, pri);
863 kfree_skb(skb); /* free our shared copy */
868 qeth_push_skb(struct qeth_card *card, struct sk_buff **skb, int size)
872 hdr = (void *) skb_push(*skb, size);
874 * sanity check, the Linux memory allocation scheme should
875 * never present us cases like this one (the qdio header size plus
876 * the first 40 bytes of the paket cross a 4k boundary)
878 if ((((unsigned long) hdr) & (~(PAGE_SIZE - 1))) !=
879 (((unsigned long) hdr + size +
880 QETH_IP_HEADER_SIZE) & (~(PAGE_SIZE - 1)))) {
881 PRINT_ERR("qeth_prepare_skb: misaligned "
882 "packet on interface %s. Discarded.",
883 QETH_CARD_IFNAME(card));
891 qeth_get_hlen(__u8 link_type)
893 #ifdef CONFIG_QETH_IPV6
895 case QETH_LINK_TYPE_HSTR:
896 case QETH_LINK_TYPE_LANE_TR:
897 return sizeof(struct qeth_hdr_tso) + TR_HLEN;
899 #ifdef CONFIG_QETH_VLAN
900 return sizeof(struct qeth_hdr_tso) + VLAN_ETH_HLEN;
902 return sizeof(struct qeth_hdr_tso) + ETH_HLEN;
905 #else /* CONFIG_QETH_IPV6 */
906 #ifdef CONFIG_QETH_VLAN
907 return sizeof(struct qeth_hdr_tso) + VLAN_HLEN;
909 return sizeof(struct qeth_hdr_tso);
911 #endif /* CONFIG_QETH_IPV6 */
914 static inline unsigned short
915 qeth_get_netdev_flags(struct qeth_card *card)
917 if (card->options.layer2)
919 switch (card->info.type) {
920 case QETH_CARD_TYPE_IQD:
922 #ifdef CONFIG_QETH_IPV6
933 qeth_get_initial_mtu_for_card(struct qeth_card * card)
935 switch (card->info.type) {
936 case QETH_CARD_TYPE_UNKNOWN:
938 case QETH_CARD_TYPE_IQD:
939 return card->info.max_mtu;
940 case QETH_CARD_TYPE_OSAE:
941 switch (card->info.link_type) {
942 case QETH_LINK_TYPE_HSTR:
943 case QETH_LINK_TYPE_LANE_TR:
954 qeth_get_max_mtu_for_card(int cardtype)
957 case QETH_CARD_TYPE_UNKNOWN:
959 case QETH_CARD_TYPE_OSAE:
961 case QETH_CARD_TYPE_IQD:
969 qeth_get_mtu_out_of_mpc(int cardtype)
972 case QETH_CARD_TYPE_IQD:
980 qeth_get_mtu_outof_framesize(int framesize)
997 qeth_mtu_is_valid(struct qeth_card * card, int mtu)
999 switch (card->info.type) {
1000 case QETH_CARD_TYPE_OSAE:
1001 return ((mtu >= 576) && (mtu <= 61440));
1002 case QETH_CARD_TYPE_IQD:
1003 return ((mtu >= 576) &&
1004 (mtu <= card->info.max_mtu + 4096 - 32));
1005 case QETH_CARD_TYPE_UNKNOWN:
1012 qeth_get_arphdr_type(int cardtype, int linktype)
1015 case QETH_CARD_TYPE_OSAE:
1017 case QETH_LINK_TYPE_LANE_TR:
1018 case QETH_LINK_TYPE_HSTR:
1019 return ARPHRD_IEEE802_TR;
1021 return ARPHRD_ETHER;
1023 case QETH_CARD_TYPE_IQD:
1025 return ARPHRD_ETHER;
1029 #ifdef CONFIG_QETH_PERF_STATS
1031 qeth_get_micros(void)
1033 return (int) (get_clock() >> 12);
1038 qeth_get_qdio_q_format(struct qeth_card *card)
1040 switch (card->info.type) {
1041 case QETH_CARD_TYPE_IQD:
1049 qeth_ipaddr4_to_string(const __u8 *addr, char *buf)
1051 sprintf(buf, "%i.%i.%i.%i", addr[0], addr[1], addr[2], addr[3]);
1055 qeth_string_to_ipaddr4(const char *buf, __u8 *addr)
1057 const char *start, *end;
1064 for (i = 0; i < 3; i++) {
1065 if (!(end = strchr(start, '.')))
1069 strncpy(abuf, start, len);
1070 addr[i] = simple_strtoul(abuf, &tmp, 10);
1074 strcpy(abuf, start);
1075 addr[3] = simple_strtoul(abuf, &tmp, 10);
1080 qeth_ipaddr6_to_string(const __u8 *addr, char *buf)
1082 sprintf(buf, "%02x%02x:%02x%02x:%02x%02x:%02x%02x"
1083 ":%02x%02x:%02x%02x:%02x%02x:%02x%02x",
1084 addr[0], addr[1], addr[2], addr[3],
1085 addr[4], addr[5], addr[6], addr[7],
1086 addr[8], addr[9], addr[10], addr[11],
1087 addr[12], addr[13], addr[14], addr[15]);
1091 qeth_string_to_ipaddr6(const char *buf, __u8 *addr)
1093 const char *start, *end;
1100 tmp_addr = (u16 *)addr;
1102 for (i = 0; i < 7; i++) {
1103 if (!(end = strchr(start, ':')))
1107 strncpy(abuf, start, len);
1108 tmp_addr[i] = simple_strtoul(abuf, &tmp, 16);
1112 strcpy(abuf, start);
1113 tmp_addr[7] = simple_strtoul(abuf, &tmp, 16);
1118 qeth_ipaddr_to_string(enum qeth_prot_versions proto, const __u8 *addr,
1121 if (proto == QETH_PROT_IPV4)
1122 return qeth_ipaddr4_to_string(addr, buf);
1123 else if (proto == QETH_PROT_IPV6)
1124 return qeth_ipaddr6_to_string(addr, buf);
1128 qeth_string_to_ipaddr(const char *buf, enum qeth_prot_versions proto,
1131 if (proto == QETH_PROT_IPV4)
1132 return qeth_string_to_ipaddr4(buf, addr);
1133 else if (proto == QETH_PROT_IPV6)
1134 return qeth_string_to_ipaddr6(buf, addr);
1140 qeth_setrouting_v4(struct qeth_card *);
1142 qeth_setrouting_v6(struct qeth_card *);
1145 qeth_add_ipato_entry(struct qeth_card *, struct qeth_ipato_entry *);
1148 qeth_del_ipato_entry(struct qeth_card *, enum qeth_prot_versions, u8 *, int);
1151 qeth_add_vipa(struct qeth_card *, enum qeth_prot_versions, const u8 *);
1154 qeth_del_vipa(struct qeth_card *, enum qeth_prot_versions, const u8 *);
1157 qeth_add_rxip(struct qeth_card *, enum qeth_prot_versions, const u8 *);
1160 qeth_del_rxip(struct qeth_card *, enum qeth_prot_versions, const u8 *);
1163 qeth_notifier_register(struct task_struct *, int );
1166 qeth_notifier_unregister(struct task_struct * );
1169 qeth_schedule_recovery(struct qeth_card *);
1172 qeth_realloc_buffer_pool(struct qeth_card *, int);
1175 qeth_set_large_send(struct qeth_card *, enum qeth_large_send_types);
1178 qeth_fill_header(struct qeth_card *, struct qeth_hdr *,
1179 struct sk_buff *, int, int);
1181 qeth_flush_buffers(struct qeth_qdio_out_q *, int, int, int);
1183 #endif /* __QETH_H__ */