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>
11 #include <linux/ctype.h>
14 #include <linux/in6.h>
15 #include <net/if_inet6.h>
16 #include <net/addrconf.h>
19 #include <linux/bitops.h>
21 #include <asm/debug.h>
23 #include <asm/ccwdev.h>
24 #include <asm/ccwgroup.h>
28 #define VERSION_QETH_H "$Revision: 1.152 $"
30 #ifdef CONFIG_QETH_IPV6
31 #define QETH_VERSION_IPV6 ":IPv6"
33 #define QETH_VERSION_IPV6 ""
35 #ifdef CONFIG_QETH_VLAN
36 #define QETH_VERSION_VLAN ":VLAN"
38 #define QETH_VERSION_VLAN ""
42 * Debug Facility stuff
44 #define QETH_DBF_SETUP_NAME "qeth_setup"
45 #define QETH_DBF_SETUP_LEN 8
46 #define QETH_DBF_SETUP_PAGES 8
47 #define QETH_DBF_SETUP_NR_AREAS 1
48 #define QETH_DBF_SETUP_LEVEL 5
50 #define QETH_DBF_MISC_NAME "qeth_misc"
51 #define QETH_DBF_MISC_LEN 128
52 #define QETH_DBF_MISC_PAGES 2
53 #define QETH_DBF_MISC_NR_AREAS 1
54 #define QETH_DBF_MISC_LEVEL 2
56 #define QETH_DBF_DATA_NAME "qeth_data"
57 #define QETH_DBF_DATA_LEN 96
58 #define QETH_DBF_DATA_PAGES 8
59 #define QETH_DBF_DATA_NR_AREAS 1
60 #define QETH_DBF_DATA_LEVEL 2
62 #define QETH_DBF_CONTROL_NAME "qeth_control"
63 #define QETH_DBF_CONTROL_LEN 256
64 #define QETH_DBF_CONTROL_PAGES 8
65 #define QETH_DBF_CONTROL_NR_AREAS 2
66 #define QETH_DBF_CONTROL_LEVEL 5
68 #define QETH_DBF_TRACE_NAME "qeth_trace"
69 #define QETH_DBF_TRACE_LEN 8
70 #define QETH_DBF_TRACE_PAGES 4
71 #define QETH_DBF_TRACE_NR_AREAS 2
72 #define QETH_DBF_TRACE_LEVEL 3
73 extern debug_info_t *qeth_dbf_trace;
75 #define QETH_DBF_SENSE_NAME "qeth_sense"
76 #define QETH_DBF_SENSE_LEN 64
77 #define QETH_DBF_SENSE_PAGES 2
78 #define QETH_DBF_SENSE_NR_AREAS 1
79 #define QETH_DBF_SENSE_LEVEL 2
81 #define QETH_DBF_QERR_NAME "qeth_qerr"
82 #define QETH_DBF_QERR_LEN 8
83 #define QETH_DBF_QERR_PAGES 2
84 #define QETH_DBF_QERR_NR_AREAS 2
85 #define QETH_DBF_QERR_LEVEL 2
87 #define QETH_DBF_TEXT(name,level,text) \
89 debug_text_event(qeth_dbf_##name,level,text); \
92 #define QETH_DBF_HEX(name,level,addr,len) \
94 debug_event(qeth_dbf_##name,level,(void*)(addr),len); \
97 DECLARE_PER_CPU(char[256], qeth_dbf_txt_buf);
99 #define QETH_DBF_TEXT_(name,level,text...) \
101 char* dbf_txt_buf = get_cpu_var(qeth_dbf_txt_buf); \
102 sprintf(dbf_txt_buf, text); \
103 debug_text_event(qeth_dbf_##name,level,dbf_txt_buf); \
104 put_cpu_var(qeth_dbf_txt_buf); \
107 #define QETH_DBF_SPRINTF(name,level,text...) \
109 debug_sprintf_event(qeth_dbf_trace, level, ##text ); \
110 debug_sprintf_event(qeth_dbf_trace, level, text ); \
114 * some more debug stuff
116 #define PRINTK_HEADER "qeth: "
118 #define HEXDUMP16(importance,header,ptr) \
119 PRINT_##importance(header "%02x %02x %02x %02x %02x %02x %02x %02x " \
120 "%02x %02x %02x %02x %02x %02x %02x %02x\n", \
121 *(((char*)ptr)),*(((char*)ptr)+1),*(((char*)ptr)+2), \
122 *(((char*)ptr)+3),*(((char*)ptr)+4),*(((char*)ptr)+5), \
123 *(((char*)ptr)+6),*(((char*)ptr)+7),*(((char*)ptr)+8), \
124 *(((char*)ptr)+9),*(((char*)ptr)+10),*(((char*)ptr)+11), \
125 *(((char*)ptr)+12),*(((char*)ptr)+13), \
126 *(((char*)ptr)+14),*(((char*)ptr)+15)); \
127 PRINT_##importance(header "%02x %02x %02x %02x %02x %02x %02x %02x " \
128 "%02x %02x %02x %02x %02x %02x %02x %02x\n", \
129 *(((char*)ptr)+16),*(((char*)ptr)+17), \
130 *(((char*)ptr)+18),*(((char*)ptr)+19), \
131 *(((char*)ptr)+20),*(((char*)ptr)+21), \
132 *(((char*)ptr)+22),*(((char*)ptr)+23), \
133 *(((char*)ptr)+24),*(((char*)ptr)+25), \
134 *(((char*)ptr)+26),*(((char*)ptr)+27), \
135 *(((char*)ptr)+28),*(((char*)ptr)+29), \
136 *(((char*)ptr)+30),*(((char*)ptr)+31));
139 qeth_hex_dump(unsigned char *buf, size_t len)
143 for (i = 0; i < len; i++) {
146 printk("%02x ", *(buf + i));
151 #define SENSE_COMMAND_REJECT_BYTE 0
152 #define SENSE_COMMAND_REJECT_FLAG 0x80
153 #define SENSE_RESETTING_EVENT_BYTE 1
154 #define SENSE_RESETTING_EVENT_FLAG 0x80
156 #define atomic_swap(a,b) xchg((int *)a.counter, b)
159 * Common IO related definitions
161 extern struct device *qeth_root_dev;
162 extern struct ccw_driver qeth_ccw_driver;
163 extern struct ccwgroup_driver qeth_ccwgroup_driver;
165 #define CARD_RDEV(card) card->read.ccwdev
166 #define CARD_WDEV(card) card->write.ccwdev
167 #define CARD_DDEV(card) card->data.ccwdev
168 #define CARD_BUS_ID(card) card->gdev->dev.bus_id
169 #define CARD_RDEV_ID(card) card->read.ccwdev->dev.bus_id
170 #define CARD_WDEV_ID(card) card->write.ccwdev->dev.bus_id
171 #define CARD_DDEV_ID(card) card->data.ccwdev->dev.bus_id
172 #define CHANNEL_ID(channel) channel->ccwdev->dev.bus_id
174 #define CARD_FROM_CDEV(cdev) (struct qeth_card *) \
175 ((struct ccwgroup_device *)cdev->dev.driver_data)\
181 #ifdef CONFIG_QETH_PERF_STATS
182 struct qeth_perf_stats {
183 unsigned int bufs_rec;
184 unsigned int bufs_sent;
186 unsigned int skbs_sent_pack;
187 unsigned int bufs_sent_pack;
189 unsigned int sc_dp_p;
190 unsigned int sc_p_dp;
191 /* qdio_input_handler: number of times called, time spent in */
192 __u64 inbound_start_time;
193 unsigned int inbound_cnt;
194 unsigned int inbound_time;
195 /* qeth_send_packet: number of times called, time spent in */
196 __u64 outbound_start_time;
197 unsigned int outbound_cnt;
198 unsigned int outbound_time;
199 /* qdio_output_handler: number of times called, time spent in */
200 __u64 outbound_handler_start_time;
201 unsigned int outbound_handler_cnt;
202 unsigned int outbound_handler_time;
203 /* number of calls to and time spent in do_QDIO for inbound queue */
204 __u64 inbound_do_qdio_start_time;
205 unsigned int inbound_do_qdio_cnt;
206 unsigned int inbound_do_qdio_time;
207 /* number of calls to and time spent in do_QDIO for outbound queues */
208 __u64 outbound_do_qdio_start_time;
209 unsigned int outbound_do_qdio_cnt;
210 unsigned int outbound_do_qdio_time;
212 unsigned int large_send_bytes;
213 unsigned int large_send_cnt;
214 unsigned int sg_skbs_sent;
215 unsigned int sg_frags_sent;
217 #endif /* CONFIG_QETH_PERF_STATS */
220 struct qeth_routing_info {
221 enum qeth_routing_types type;
225 struct qeth_ipa_info {
226 __u32 supported_funcs;
231 qeth_is_ipa_supported(struct qeth_ipa_info *ipa, enum qeth_ipa_funcs func)
233 return (ipa->supported_funcs & func);
237 qeth_is_ipa_enabled(struct qeth_ipa_info *ipa, enum qeth_ipa_funcs func)
239 return (ipa->supported_funcs & ipa->enabled_funcs & func);
242 #define qeth_adp_supported(c,f) \
243 qeth_is_ipa_supported(&c->options.adp, f)
244 #define qeth_adp_enabled(c,f) \
245 qeth_is_ipa_enabled(&c->options.adp, f)
246 #define qeth_is_supported(c,f) \
247 qeth_is_ipa_supported(&c->options.ipa4, f)
248 #define qeth_is_enabled(c,f) \
249 qeth_is_ipa_enabled(&c->options.ipa4, f)
250 #ifdef CONFIG_QETH_IPV6
251 #define qeth_is_supported6(c,f) \
252 qeth_is_ipa_supported(&c->options.ipa6, f)
253 #define qeth_is_enabled6(c,f) \
254 qeth_is_ipa_enabled(&c->options.ipa6, f)
255 #else /* CONFIG_QETH_IPV6 */
256 #define qeth_is_supported6(c,f) 0
257 #define qeth_is_enabled6(c,f) 0
258 #endif /* CONFIG_QETH_IPV6 */
259 #define qeth_is_ipafunc_supported(c,prot,f) \
260 (prot==QETH_PROT_IPV6)? qeth_is_supported6(c,f):qeth_is_supported(c,f)
261 #define qeth_is_ipafunc_enabled(c,prot,f) \
262 (prot==QETH_PROT_IPV6)? qeth_is_enabled6(c,f):qeth_is_enabled(c,f)
265 #define QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT 0x0101
266 #define QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT 0x0101
267 #define QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT 0x4108
268 #define QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT 0x5108
270 #define QETH_MODELLIST_ARRAY \
271 {{0x1731,0x01,0x1732,0x01,QETH_CARD_TYPE_OSAE,1, \
272 QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT, \
273 QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT, \
274 QETH_MAX_QUEUES,0}, \
275 {0x1731,0x05,0x1732,0x05,QETH_CARD_TYPE_IQD,0, \
276 QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT, \
277 QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT, \
278 QETH_MAX_QUEUES,0x103}, \
279 {0x1731,0x06,0x1732,0x06,QETH_CARD_TYPE_OSN,0, \
280 QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT, \
281 QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT, \
282 QETH_MAX_QUEUES,0}, \
285 #define QETH_REAL_CARD 1
286 #define QETH_VLAN_CARD 2
287 #define QETH_BUFSIZE 4096
292 #define IF_NAME_LEN 16
293 #define QETH_TX_TIMEOUT 100 * HZ
294 #define QETH_HEADER_SIZE 32
295 #define MAX_PORTNO 15
296 #define QETH_FAKE_LL_LEN_ETH ETH_HLEN
297 #define QETH_FAKE_LL_LEN_TR (sizeof(struct trh_hdr)-TR_MAXRIFLEN+sizeof(struct trllc))
298 #define QETH_FAKE_LL_V6_ADDR_POS 24
300 /*IPv6 address autoconfiguration stuff*/
301 #define UNIQUE_ID_IF_CREATE_ADDR_FAILED 0xfffe
302 #define UNIQUE_ID_NOT_BY_CARD 0x10000
304 /*****************************************************************************/
305 /* QDIO queue and buffer handling */
306 /*****************************************************************************/
307 #define QETH_MAX_QUEUES 4
308 #define QETH_IN_BUF_SIZE_DEFAULT 65536
309 #define QETH_IN_BUF_COUNT_DEFAULT 16
310 #define QETH_IN_BUF_COUNT_MIN 8
311 #define QETH_IN_BUF_COUNT_MAX 128
312 #define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12)
313 #define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \
314 ((card)->qdio.in_buf_pool.buf_count / 2)
316 /* buffers we have to be behind before we get a PCI */
317 #define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1)
318 /*enqueued free buffers left before we get a PCI*/
319 #define QETH_PCI_THRESHOLD_B(card) 0
320 /*not used unless the microcode gets patched*/
321 #define QETH_PCI_TIMER_VALUE(card) 3
323 #define QETH_MIN_INPUT_THRESHOLD 1
324 #define QETH_MAX_INPUT_THRESHOLD 500
325 #define QETH_MIN_OUTPUT_THRESHOLD 1
326 #define QETH_MAX_OUTPUT_THRESHOLD 300
328 /* priority queing */
329 #define QETH_PRIOQ_DEFAULT QETH_NO_PRIO_QUEUEING
330 #define QETH_DEFAULT_QUEUE 2
331 #define QETH_NO_PRIO_QUEUEING 0
332 #define QETH_PRIO_Q_ING_PREC 1
333 #define QETH_PRIO_Q_ING_TOS 2
334 #define IP_TOS_LOWDELAY 0x10
335 #define IP_TOS_HIGHTHROUGHPUT 0x08
336 #define IP_TOS_HIGHRELIABILITY 0x04
337 #define IP_TOS_NOTIMPORTANT 0x02
340 #define QETH_LOW_WATERMARK_PACK 2
341 #define QETH_HIGH_WATERMARK_PACK 5
342 #define QETH_WATERMARK_PACK_FUZZ 1
344 #define QETH_IP_HEADER_SIZE 40
346 struct qeth_hdr_layer3 {
349 __u16 inbound_checksum; /*TSO:__u16 seqno */
350 __u32 token; /*TSO: __u32 reserved */
357 } __attribute__ ((packed));
359 struct qeth_hdr_layer2 {
369 } __attribute__ ((packed));
371 struct qeth_hdr_osn {
380 } __attribute__ ((packed));
384 struct qeth_hdr_layer2 l2;
385 struct qeth_hdr_layer3 l3;
386 struct qeth_hdr_osn osn;
388 } __attribute__ ((packed));
390 /*TCP Segmentation Offload header*/
391 struct qeth_hdr_ext_tso {
402 } __attribute__ ((packed));
404 struct qeth_hdr_tso {
405 struct qeth_hdr hdr; /*hdr->hdr.l3.xxx*/
406 struct qeth_hdr_ext_tso ext;
407 } __attribute__ ((packed));
410 /* flags for qeth_hdr.flags */
411 #define QETH_HDR_PASSTHRU 0x10
412 #define QETH_HDR_IPV6 0x80
413 #define QETH_HDR_CAST_MASK 0x07
414 enum qeth_cast_flags {
415 QETH_CAST_UNICAST = 0x06,
416 QETH_CAST_MULTICAST = 0x04,
417 QETH_CAST_BROADCAST = 0x05,
418 QETH_CAST_ANYCAST = 0x07,
419 QETH_CAST_NOCAST = 0x00,
422 enum qeth_layer2_frame_flags {
423 QETH_LAYER2_FLAG_MULTICAST = 0x01,
424 QETH_LAYER2_FLAG_BROADCAST = 0x02,
425 QETH_LAYER2_FLAG_UNICAST = 0x04,
426 QETH_LAYER2_FLAG_VLAN = 0x10,
429 enum qeth_header_ids {
430 QETH_HEADER_TYPE_LAYER3 = 0x01,
431 QETH_HEADER_TYPE_LAYER2 = 0x02,
432 QETH_HEADER_TYPE_TSO = 0x03,
433 QETH_HEADER_TYPE_OSN = 0x04,
435 /* flags for qeth_hdr.ext_flags */
436 #define QETH_HDR_EXT_VLAN_FRAME 0x01
437 #define QETH_HDR_EXT_TOKEN_ID 0x02
438 #define QETH_HDR_EXT_INCLUDE_VLAN_TAG 0x04
439 #define QETH_HDR_EXT_SRC_MAC_ADDR 0x08
440 #define QETH_HDR_EXT_CSUM_HDR_REQ 0x10
441 #define QETH_HDR_EXT_CSUM_TRANSP_REQ 0x20
442 #define QETH_HDR_EXT_UDP_TSO 0x40 /*bit off for TCP*/
445 qeth_is_last_sbale(struct qdio_buffer_element *sbale)
447 return (sbale->flags & SBAL_FLAGS_LAST_ENTRY);
450 enum qeth_qdio_buffer_states {
452 * inbound: read out by driver; owned by hardware in order to be filled
453 * outbound: owned by driver in order to be filled
457 * inbound: filled by hardware; owned by driver in order to be read out
458 * outbound: filled by driver; owned by hardware in order to be sent
460 QETH_QDIO_BUF_PRIMED,
463 enum qeth_qdio_info_states {
464 QETH_QDIO_UNINITIALIZED,
466 QETH_QDIO_ESTABLISHED,
469 struct qeth_buffer_pool_entry {
470 struct list_head list;
471 struct list_head init_list;
472 void *elements[QDIO_MAX_ELEMENTS_PER_BUFFER];
475 struct qeth_qdio_buffer_pool {
476 struct list_head entry_list;
480 struct qeth_qdio_buffer {
481 struct qdio_buffer *buffer;
482 volatile enum qeth_qdio_buffer_states state;
483 /* the buffer pool entry currently associated to this buffer */
484 struct qeth_buffer_pool_entry *pool_entry;
488 struct qdio_buffer qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
489 struct qeth_qdio_buffer bufs[QDIO_MAX_BUFFERS_PER_Q];
491 * buf_to_init means "buffer must be initialized by driver and must
492 * be made available for hardware" -> state is set to EMPTY
494 volatile int next_buf_to_init;
495 } __attribute__ ((aligned(256)));
497 /* possible types of qeth large_send support */
498 enum qeth_large_send_types {
500 QETH_LARGE_SEND_EDDP,
504 struct qeth_qdio_out_buffer {
505 struct qdio_buffer *buffer;
507 volatile int next_element_to_fill;
508 struct sk_buff_head skb_list;
509 struct list_head ctx_list;
514 enum qeth_out_q_states {
517 QETH_OUT_Q_LOCKED_FLUSH,
520 struct qeth_qdio_out_q {
521 struct qdio_buffer qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
522 struct qeth_qdio_out_buffer bufs[QDIO_MAX_BUFFERS_PER_Q];
524 struct qeth_card *card;
526 volatile int do_pack;
528 * index of buffer to be filled by driver; state EMPTY or PACKING
530 volatile int next_buf_to_fill;
532 * number of buffers that are currently filled (PRIMED)
533 * -> these buffers are hardware-owned
535 atomic_t used_buffers;
536 /* indicates whether PCI flag must be set (or if one is outstanding) */
537 atomic_t set_pci_flags_count;
538 } __attribute__ ((aligned(256)));
540 struct qeth_qdio_info {
541 volatile enum qeth_qdio_info_states state;
543 struct qeth_qdio_q *in_q;
544 struct qeth_qdio_buffer_pool in_buf_pool;
545 struct qeth_qdio_buffer_pool init_pool;
550 struct qeth_qdio_out_q **out_qs;
552 /* priority queueing */
553 int do_prio_queueing;
554 int default_out_queue;
557 enum qeth_send_errors {
558 QETH_SEND_ERROR_NONE,
559 QETH_SEND_ERROR_LINK_FAILURE,
560 QETH_SEND_ERROR_RETRY,
561 QETH_SEND_ERROR_KICK_IT,
564 #define QETH_ETH_MAC_V4 0x0100 /* like v4 */
565 #define QETH_ETH_MAC_V6 0x3333 /* like v6 */
566 /* tr mc mac is longer, but that will be enough to detect mc frames */
567 #define QETH_TR_MAC_NC 0xc000 /* non-canonical */
568 #define QETH_TR_MAC_C 0x0300 /* canonical */
570 #define DEFAULT_ADD_HHLEN 0
571 #define MAX_ADD_HHLEN 1024
574 * buffer stuff for read channel
576 #define QETH_CMD_BUFFER_NO 8
579 * channel state machine
581 enum qeth_channel_states {
591 enum qeth_card_states {
593 CARD_STATE_HARDSETUP,
594 CARD_STATE_SOFTSETUP,
602 enum qeth_prot_versions {
603 QETH_PROT_IPV4 = 0x0004,
604 QETH_PROT_IPV6 = 0x0006,
611 QETH_IP_TYPE_DEL_ALL_MC,
614 enum qeth_cmd_buffer_state {
620 * IP address and multicast list
623 struct list_head entry;
624 enum qeth_ip_types type;
625 enum qeth_ipa_setdelip_flags set_flags;
626 enum qeth_ipa_setdelip_flags del_flags;
629 enum qeth_prot_versions proto;
630 unsigned char mac[OSA_ADDR_LEN];
637 struct in6_addr addr;
643 struct qeth_ipato_entry {
644 struct list_head entry;
645 enum qeth_prot_versions proto;
654 struct list_head entries;
659 struct qeth_cmd_buffer {
660 enum qeth_cmd_buffer_state state;
661 struct qeth_channel *channel;
664 void (*callback) (struct qeth_channel *, struct qeth_cmd_buffer *);
669 * definition of a qeth channel, used for read and write
671 struct qeth_channel {
672 enum qeth_channel_states state;
675 wait_queue_head_t wait_q;
676 struct tasklet_struct irq_tasklet;
677 struct ccw_device *ccwdev;
678 /*command buffer for control data*/
679 struct qeth_cmd_buffer iob[QETH_CMD_BUFFER_NO];
680 atomic_t irq_pending;
681 volatile int io_buf_no;
686 * OSA card related definitions
693 __u32 cm_connection_w;
694 __u32 cm_connection_r;
697 __u32 ulp_connection_w;
698 __u32 ulp_connection_r;
710 struct list_head list;
711 wait_queue_head_t wait_q;
712 int (*callback)(struct qeth_card *,struct qeth_reply *,unsigned long);
714 unsigned long offset;
718 struct qeth_card *card;
723 struct qeth_card_blkt {
726 int inter_packet_jumbo;
729 #define QETH_BROADCAST_WITH_ECHO 0x01
730 #define QETH_BROADCAST_WITHOUT_ECHO 0x02
731 #define QETH_LAYER2_MAC_READ 0x01
732 #define QETH_LAYER2_MAC_REGISTERED 0x02
733 struct qeth_card_info {
734 unsigned short unit_addr2;
736 unsigned short chpid;
738 char mcl_level[QETH_MCL_LENGTH + 1];
741 int portname_required;
744 enum qeth_card_types type;
745 enum qeth_link_types link_type;
746 int is_multicast_different;
749 int broadcast_capable;
751 struct qeth_card_blkt blkt;
753 enum qeth_ipa_promisc_modes promisc_mode;
756 struct qeth_card_options {
757 struct qeth_routing_info route4;
758 struct qeth_ipa_info ipa4;
759 struct qeth_ipa_info adp; /*Adapter parameters*/
760 #ifdef CONFIG_QETH_IPV6
761 struct qeth_routing_info route6;
762 struct qeth_ipa_info ipa6;
763 #endif /* QETH_IPV6 */
764 enum qeth_checksum_types checksum_type;
771 enum qeth_large_send_types large_send;
775 * thread bits for qeth_card thread masks
778 QETH_SET_IP_THREAD = 1,
779 QETH_RECOVER_THREAD = 2,
780 QETH_SET_PROMISC_MODE_THREAD = 4,
783 struct qeth_osn_info {
784 int (*assist_cb)(struct net_device *dev, void *data);
785 int (*data_cb)(struct sk_buff *skb);
789 struct list_head list;
790 enum qeth_card_states state;
793 /*hardware and sysfs stuff*/
794 struct ccwgroup_device *gdev;
795 struct qeth_channel read;
796 struct qeth_channel write;
797 struct qeth_channel data;
799 struct net_device *dev;
800 struct net_device_stats stats;
802 struct qeth_card_info info;
803 struct qeth_token token;
804 struct qeth_seqno seqno;
805 struct qeth_card_options options;
807 wait_queue_head_t wait_q;
808 #ifdef CONFIG_QETH_VLAN
810 struct vlan_group *vlangrp;
812 struct work_struct kernel_thread_starter;
813 spinlock_t thread_mask_lock;
814 volatile unsigned long thread_start_mask;
815 volatile unsigned long thread_allowed_mask;
816 volatile unsigned long thread_running_mask;
818 struct list_head ip_list;
819 struct list_head *ip_tbd_list;
820 struct qeth_ipato ipato;
821 struct list_head cmd_waiter_list;
822 /* QDIO buffer handling */
823 struct qeth_qdio_info qdio;
824 #ifdef CONFIG_QETH_PERF_STATS
825 struct qeth_perf_stats perf_stats;
826 #endif /* CONFIG_QETH_PERF_STATS */
828 int (*orig_hard_header)(struct sk_buff *,struct net_device *,
829 unsigned short,void *,void *,unsigned);
830 struct qeth_osn_info osn_info;
833 struct qeth_card_list_struct {
834 struct list_head list;
838 extern struct qeth_card_list_struct qeth_card_list;
841 struct qeth_notify_list_struct {
842 struct list_head list;
843 struct task_struct *task;
846 extern spinlock_t qeth_notify_lock;
847 extern struct list_head qeth_notify_list;
849 /*some helper functions*/
851 #define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "")
854 qeth_get_ipa_adp_type(enum qeth_link_types link_type)
857 case QETH_LINK_TYPE_HSTR:
865 qeth_realloc_headroom(struct qeth_card *card, struct sk_buff **skb, int size)
867 struct sk_buff *new_skb = NULL;
869 if (skb_headroom(*skb) < size){
870 new_skb = skb_realloc_headroom(*skb, size);
872 PRINT_ERR("qeth_prepare_skb: could "
873 "not realloc headroom for qeth_hdr "
874 "on interface %s", QETH_CARD_IFNAME(card));
883 static inline struct sk_buff *
884 qeth_pskb_unshare(struct sk_buff *skb, int pri)
886 struct sk_buff *nskb;
887 if (!skb_cloned(skb))
889 nskb = skb_copy(skb, pri);
890 kfree_skb(skb); /* free our shared copy */
895 qeth_push_skb(struct qeth_card *card, struct sk_buff **skb, int size)
899 hdr = (void *) skb_push(*skb, size);
901 * sanity check, the Linux memory allocation scheme should
902 * never present us cases like this one (the qdio header size plus
903 * the first 40 bytes of the paket cross a 4k boundary)
905 if ((((unsigned long) hdr) & (~(PAGE_SIZE - 1))) !=
906 (((unsigned long) hdr + size +
907 QETH_IP_HEADER_SIZE) & (~(PAGE_SIZE - 1)))) {
908 PRINT_ERR("qeth_prepare_skb: misaligned "
909 "packet on interface %s. Discarded.",
910 QETH_CARD_IFNAME(card));
918 qeth_get_hlen(__u8 link_type)
920 #ifdef CONFIG_QETH_IPV6
922 case QETH_LINK_TYPE_HSTR:
923 case QETH_LINK_TYPE_LANE_TR:
924 return sizeof(struct qeth_hdr_tso) + TR_HLEN;
926 #ifdef CONFIG_QETH_VLAN
927 return sizeof(struct qeth_hdr_tso) + VLAN_ETH_HLEN;
929 return sizeof(struct qeth_hdr_tso) + ETH_HLEN;
932 #else /* CONFIG_QETH_IPV6 */
933 #ifdef CONFIG_QETH_VLAN
934 return sizeof(struct qeth_hdr_tso) + VLAN_HLEN;
936 return sizeof(struct qeth_hdr_tso);
938 #endif /* CONFIG_QETH_IPV6 */
941 static inline unsigned short
942 qeth_get_netdev_flags(struct qeth_card *card)
944 if (card->options.layer2 &&
945 (card->info.type == QETH_CARD_TYPE_OSAE))
947 switch (card->info.type) {
948 case QETH_CARD_TYPE_IQD:
949 case QETH_CARD_TYPE_OSN:
951 #ifdef CONFIG_QETH_IPV6
962 qeth_get_initial_mtu_for_card(struct qeth_card * card)
964 switch (card->info.type) {
965 case QETH_CARD_TYPE_UNKNOWN:
967 case QETH_CARD_TYPE_IQD:
968 return card->info.max_mtu;
969 case QETH_CARD_TYPE_OSAE:
970 switch (card->info.link_type) {
971 case QETH_LINK_TYPE_HSTR:
972 case QETH_LINK_TYPE_LANE_TR:
983 qeth_get_max_mtu_for_card(int cardtype)
987 case QETH_CARD_TYPE_UNKNOWN:
988 case QETH_CARD_TYPE_OSAE:
989 case QETH_CARD_TYPE_OSN:
991 case QETH_CARD_TYPE_IQD:
999 qeth_get_mtu_out_of_mpc(int cardtype)
1002 case QETH_CARD_TYPE_IQD:
1010 qeth_get_mtu_outof_framesize(int framesize)
1012 switch (framesize) {
1027 qeth_mtu_is_valid(struct qeth_card * card, int mtu)
1029 switch (card->info.type) {
1030 case QETH_CARD_TYPE_OSAE:
1031 return ((mtu >= 576) && (mtu <= 61440));
1032 case QETH_CARD_TYPE_IQD:
1033 return ((mtu >= 576) &&
1034 (mtu <= card->info.max_mtu + 4096 - 32));
1035 case QETH_CARD_TYPE_OSN:
1036 case QETH_CARD_TYPE_UNKNOWN:
1043 qeth_get_arphdr_type(int cardtype, int linktype)
1046 case QETH_CARD_TYPE_OSAE:
1047 case QETH_CARD_TYPE_OSN:
1049 case QETH_LINK_TYPE_LANE_TR:
1050 case QETH_LINK_TYPE_HSTR:
1051 return ARPHRD_IEEE802_TR;
1053 return ARPHRD_ETHER;
1055 case QETH_CARD_TYPE_IQD:
1057 return ARPHRD_ETHER;
1061 #ifdef CONFIG_QETH_PERF_STATS
1063 qeth_get_micros(void)
1065 return (int) (get_clock() >> 12);
1070 qeth_get_qdio_q_format(struct qeth_card *card)
1072 switch (card->info.type) {
1073 case QETH_CARD_TYPE_IQD:
1081 qeth_isdigit(char * buf)
1084 if (!isdigit(*buf++))
1091 qeth_isxdigit(char * buf)
1094 if (!isxdigit(*buf++))
1101 qeth_ipaddr4_to_string(const __u8 *addr, char *buf)
1103 sprintf(buf, "%i.%i.%i.%i", addr[0], addr[1], addr[2], addr[3]);
1107 qeth_string_to_ipaddr4(const char *buf, __u8 *addr)
1109 const char *start, *end;
1116 for (i = 0; i < 4; i++) {
1118 end = strchr(start,0xa);
1122 len = strlen(start);
1125 end = strchr(start, '.');
1128 if ((len <= 0) || (len > 3))
1131 strncpy(abuf, start, len);
1132 if (!qeth_isdigit(abuf))
1134 addr[i] = simple_strtoul(abuf, &tmp, 10);
1141 qeth_ipaddr6_to_string(const __u8 *addr, char *buf)
1143 sprintf(buf, "%02x%02x:%02x%02x:%02x%02x:%02x%02x"
1144 ":%02x%02x:%02x%02x:%02x%02x:%02x%02x",
1145 addr[0], addr[1], addr[2], addr[3],
1146 addr[4], addr[5], addr[6], addr[7],
1147 addr[8], addr[9], addr[10], addr[11],
1148 addr[12], addr[13], addr[14], addr[15]);
1152 qeth_string_to_ipaddr6(const char *buf, __u8 *addr)
1154 const char *start, *end;
1161 tmp_addr = (u16 *)addr;
1163 for (i = 0; i < 8; i++) {
1165 end = strchr(start,0xa);
1169 len = strlen(start);
1172 end = strchr(start, ':');
1175 if ((len <= 0) || (len > 4))
1178 strncpy(abuf, start, len);
1179 if (!qeth_isxdigit(abuf))
1181 tmp_addr[i] = simple_strtoul(abuf, &tmp, 16);
1188 qeth_ipaddr_to_string(enum qeth_prot_versions proto, const __u8 *addr,
1191 if (proto == QETH_PROT_IPV4)
1192 return qeth_ipaddr4_to_string(addr, buf);
1193 else if (proto == QETH_PROT_IPV6)
1194 return qeth_ipaddr6_to_string(addr, buf);
1198 qeth_string_to_ipaddr(const char *buf, enum qeth_prot_versions proto,
1201 if (proto == QETH_PROT_IPV4)
1202 return qeth_string_to_ipaddr4(buf, addr);
1203 else if (proto == QETH_PROT_IPV6)
1204 return qeth_string_to_ipaddr6(buf, addr);
1210 qeth_setrouting_v4(struct qeth_card *);
1212 qeth_setrouting_v6(struct qeth_card *);
1215 qeth_add_ipato_entry(struct qeth_card *, struct qeth_ipato_entry *);
1218 qeth_del_ipato_entry(struct qeth_card *, enum qeth_prot_versions, u8 *, int);
1221 qeth_add_vipa(struct qeth_card *, enum qeth_prot_versions, const u8 *);
1224 qeth_del_vipa(struct qeth_card *, enum qeth_prot_versions, const u8 *);
1227 qeth_add_rxip(struct qeth_card *, enum qeth_prot_versions, const u8 *);
1230 qeth_del_rxip(struct qeth_card *, enum qeth_prot_versions, const u8 *);
1233 qeth_notifier_register(struct task_struct *, int );
1236 qeth_notifier_unregister(struct task_struct * );
1239 qeth_schedule_recovery(struct qeth_card *);
1242 qeth_realloc_buffer_pool(struct qeth_card *, int);
1245 qeth_set_large_send(struct qeth_card *, enum qeth_large_send_types);
1248 qeth_fill_header(struct qeth_card *, struct qeth_hdr *,
1249 struct sk_buff *, int, int);
1251 qeth_flush_buffers(struct qeth_qdio_out_q *, int, int, int);
1254 qeth_osn_assist(struct net_device *, void *, int);
1257 qeth_osn_register(unsigned char *read_dev_no,
1258 struct net_device **,
1259 int (*assist_cb)(struct net_device *, void *),
1260 int (*data_cb)(struct sk_buff *));
1263 qeth_osn_deregister(struct net_device *);
1265 #endif /* __QETH_H__ */