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 #ifdef CONFIG_QETH_IPV6
29 #define QETH_VERSION_IPV6 ":IPv6"
31 #define QETH_VERSION_IPV6 ""
33 #ifdef CONFIG_QETH_VLAN
34 #define QETH_VERSION_VLAN ":VLAN"
36 #define QETH_VERSION_VLAN ""
40 * Debug Facility stuff
42 #define QETH_DBF_SETUP_NAME "qeth_setup"
43 #define QETH_DBF_SETUP_LEN 8
44 #define QETH_DBF_SETUP_PAGES 8
45 #define QETH_DBF_SETUP_NR_AREAS 1
46 #define QETH_DBF_SETUP_LEVEL 5
48 #define QETH_DBF_MISC_NAME "qeth_misc"
49 #define QETH_DBF_MISC_LEN 128
50 #define QETH_DBF_MISC_PAGES 2
51 #define QETH_DBF_MISC_NR_AREAS 1
52 #define QETH_DBF_MISC_LEVEL 2
54 #define QETH_DBF_DATA_NAME "qeth_data"
55 #define QETH_DBF_DATA_LEN 96
56 #define QETH_DBF_DATA_PAGES 8
57 #define QETH_DBF_DATA_NR_AREAS 1
58 #define QETH_DBF_DATA_LEVEL 2
60 #define QETH_DBF_CONTROL_NAME "qeth_control"
61 #define QETH_DBF_CONTROL_LEN 256
62 #define QETH_DBF_CONTROL_PAGES 8
63 #define QETH_DBF_CONTROL_NR_AREAS 2
64 #define QETH_DBF_CONTROL_LEVEL 5
66 #define QETH_DBF_TRACE_NAME "qeth_trace"
67 #define QETH_DBF_TRACE_LEN 8
68 #define QETH_DBF_TRACE_PAGES 4
69 #define QETH_DBF_TRACE_NR_AREAS 2
70 #define QETH_DBF_TRACE_LEVEL 3
71 extern debug_info_t *qeth_dbf_trace;
73 #define QETH_DBF_SENSE_NAME "qeth_sense"
74 #define QETH_DBF_SENSE_LEN 64
75 #define QETH_DBF_SENSE_PAGES 2
76 #define QETH_DBF_SENSE_NR_AREAS 1
77 #define QETH_DBF_SENSE_LEVEL 2
79 #define QETH_DBF_QERR_NAME "qeth_qerr"
80 #define QETH_DBF_QERR_LEN 8
81 #define QETH_DBF_QERR_PAGES 2
82 #define QETH_DBF_QERR_NR_AREAS 2
83 #define QETH_DBF_QERR_LEVEL 2
85 #define QETH_DBF_TEXT(name,level,text) \
87 debug_text_event(qeth_dbf_##name,level,text); \
90 #define QETH_DBF_HEX(name,level,addr,len) \
92 debug_event(qeth_dbf_##name,level,(void*)(addr),len); \
95 DECLARE_PER_CPU(char[256], qeth_dbf_txt_buf);
97 #define QETH_DBF_TEXT_(name,level,text...) \
99 char* dbf_txt_buf = get_cpu_var(qeth_dbf_txt_buf); \
100 sprintf(dbf_txt_buf, text); \
101 debug_text_event(qeth_dbf_##name,level,dbf_txt_buf); \
102 put_cpu_var(qeth_dbf_txt_buf); \
105 #define QETH_DBF_SPRINTF(name,level,text...) \
107 debug_sprintf_event(qeth_dbf_trace, level, ##text ); \
108 debug_sprintf_event(qeth_dbf_trace, level, text ); \
112 * some more debug stuff
114 #define PRINTK_HEADER "qeth: "
116 #define HEXDUMP16(importance,header,ptr) \
117 PRINT_##importance(header "%02x %02x %02x %02x %02x %02x %02x %02x " \
118 "%02x %02x %02x %02x %02x %02x %02x %02x\n", \
119 *(((char*)ptr)),*(((char*)ptr)+1),*(((char*)ptr)+2), \
120 *(((char*)ptr)+3),*(((char*)ptr)+4),*(((char*)ptr)+5), \
121 *(((char*)ptr)+6),*(((char*)ptr)+7),*(((char*)ptr)+8), \
122 *(((char*)ptr)+9),*(((char*)ptr)+10),*(((char*)ptr)+11), \
123 *(((char*)ptr)+12),*(((char*)ptr)+13), \
124 *(((char*)ptr)+14),*(((char*)ptr)+15)); \
125 PRINT_##importance(header "%02x %02x %02x %02x %02x %02x %02x %02x " \
126 "%02x %02x %02x %02x %02x %02x %02x %02x\n", \
127 *(((char*)ptr)+16),*(((char*)ptr)+17), \
128 *(((char*)ptr)+18),*(((char*)ptr)+19), \
129 *(((char*)ptr)+20),*(((char*)ptr)+21), \
130 *(((char*)ptr)+22),*(((char*)ptr)+23), \
131 *(((char*)ptr)+24),*(((char*)ptr)+25), \
132 *(((char*)ptr)+26),*(((char*)ptr)+27), \
133 *(((char*)ptr)+28),*(((char*)ptr)+29), \
134 *(((char*)ptr)+30),*(((char*)ptr)+31));
137 qeth_hex_dump(unsigned char *buf, size_t len)
141 for (i = 0; i < len; i++) {
144 printk("%02x ", *(buf + i));
149 #define SENSE_COMMAND_REJECT_BYTE 0
150 #define SENSE_COMMAND_REJECT_FLAG 0x80
151 #define SENSE_RESETTING_EVENT_BYTE 1
152 #define SENSE_RESETTING_EVENT_FLAG 0x80
154 #define atomic_swap(a,b) xchg((int *)a.counter, b)
157 * Common IO related definitions
159 extern struct device *qeth_root_dev;
160 extern struct ccw_driver qeth_ccw_driver;
161 extern struct ccwgroup_driver qeth_ccwgroup_driver;
163 #define CARD_RDEV(card) card->read.ccwdev
164 #define CARD_WDEV(card) card->write.ccwdev
165 #define CARD_DDEV(card) card->data.ccwdev
166 #define CARD_BUS_ID(card) card->gdev->dev.bus_id
167 #define CARD_RDEV_ID(card) card->read.ccwdev->dev.bus_id
168 #define CARD_WDEV_ID(card) card->write.ccwdev->dev.bus_id
169 #define CARD_DDEV_ID(card) card->data.ccwdev->dev.bus_id
170 #define CHANNEL_ID(channel) channel->ccwdev->dev.bus_id
172 #define CARD_FROM_CDEV(cdev) (struct qeth_card *) \
173 ((struct ccwgroup_device *)cdev->dev.driver_data)\
179 struct qeth_perf_stats {
180 unsigned int bufs_rec;
181 unsigned int bufs_sent;
183 unsigned int skbs_sent_pack;
184 unsigned int bufs_sent_pack;
186 unsigned int sc_dp_p;
187 unsigned int sc_p_dp;
188 /* qdio_input_handler: number of times called, time spent in */
189 __u64 inbound_start_time;
190 unsigned int inbound_cnt;
191 unsigned int inbound_time;
192 /* qeth_send_packet: number of times called, time spent in */
193 __u64 outbound_start_time;
194 unsigned int outbound_cnt;
195 unsigned int outbound_time;
196 /* qdio_output_handler: number of times called, time spent in */
197 __u64 outbound_handler_start_time;
198 unsigned int outbound_handler_cnt;
199 unsigned int outbound_handler_time;
200 /* number of calls to and time spent in do_QDIO for inbound queue */
201 __u64 inbound_do_qdio_start_time;
202 unsigned int inbound_do_qdio_cnt;
203 unsigned int inbound_do_qdio_time;
204 /* number of calls to and time spent in do_QDIO for outbound queues */
205 __u64 outbound_do_qdio_start_time;
206 unsigned int outbound_do_qdio_cnt;
207 unsigned int outbound_do_qdio_time;
209 unsigned int large_send_bytes;
210 unsigned int large_send_cnt;
211 unsigned int sg_skbs_sent;
212 unsigned int sg_frags_sent;
213 /* initial values when measuring starts */
214 unsigned long initial_rx_packets;
215 unsigned long initial_tx_packets;
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;
722 struct qeth_card_blkt {
725 int inter_packet_jumbo;
728 #define QETH_BROADCAST_WITH_ECHO 0x01
729 #define QETH_BROADCAST_WITHOUT_ECHO 0x02
730 #define QETH_LAYER2_MAC_READ 0x01
731 #define QETH_LAYER2_MAC_REGISTERED 0x02
732 struct qeth_card_info {
733 unsigned short unit_addr2;
735 unsigned short chpid;
737 char mcl_level[QETH_MCL_LENGTH + 1];
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;
752 enum qeth_ipa_promisc_modes promisc_mode;
755 struct qeth_card_options {
756 struct qeth_routing_info route4;
757 struct qeth_ipa_info ipa4;
758 struct qeth_ipa_info adp; /*Adapter parameters*/
759 #ifdef CONFIG_QETH_IPV6
760 struct qeth_routing_info route6;
761 struct qeth_ipa_info ipa6;
762 #endif /* QETH_IPV6 */
763 enum qeth_checksum_types checksum_type;
770 enum qeth_large_send_types large_send;
771 int performance_stats;
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 struct qeth_perf_stats perf_stats;
826 int (*orig_hard_header)(struct sk_buff *,struct net_device *,
827 unsigned short,void *,void *,unsigned);
828 struct qeth_osn_info osn_info;
831 struct qeth_card_list_struct {
832 struct list_head list;
836 extern struct qeth_card_list_struct qeth_card_list;
839 struct qeth_notify_list_struct {
840 struct list_head list;
841 struct task_struct *task;
844 extern spinlock_t qeth_notify_lock;
845 extern struct list_head qeth_notify_list;
847 /*some helper functions*/
849 #define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "")
852 qeth_get_ipa_adp_type(enum qeth_link_types link_type)
855 case QETH_LINK_TYPE_HSTR:
862 static inline struct sk_buff *
863 qeth_realloc_headroom(struct qeth_card *card, struct sk_buff *skb, int size)
865 struct sk_buff *new_skb = skb;
867 if (skb_headroom(skb) >= size)
869 new_skb = skb_realloc_headroom(skb, size);
871 PRINT_ERR("Could not realloc headroom for qeth_hdr "
872 "on interface %s", QETH_CARD_IFNAME(card));
876 static inline struct sk_buff *
877 qeth_pskb_unshare(struct sk_buff *skb, int pri)
879 struct sk_buff *nskb;
880 if (!skb_cloned(skb))
882 nskb = skb_copy(skb, pri);
887 qeth_push_skb(struct qeth_card *card, struct sk_buff *skb, int size)
891 hdr = (void *) skb_push(skb, size);
893 * sanity check, the Linux memory allocation scheme should
894 * never present us cases like this one (the qdio header size plus
895 * the first 40 bytes of the paket cross a 4k boundary)
897 if ((((unsigned long) hdr) & (~(PAGE_SIZE - 1))) !=
898 (((unsigned long) hdr + size +
899 QETH_IP_HEADER_SIZE) & (~(PAGE_SIZE - 1)))) {
900 PRINT_ERR("Misaligned packet on interface %s. Discarded.",
901 QETH_CARD_IFNAME(card));
909 qeth_get_hlen(__u8 link_type)
911 #ifdef CONFIG_QETH_IPV6
913 case QETH_LINK_TYPE_HSTR:
914 case QETH_LINK_TYPE_LANE_TR:
915 return sizeof(struct qeth_hdr_tso) + TR_HLEN;
917 #ifdef CONFIG_QETH_VLAN
918 return sizeof(struct qeth_hdr_tso) + VLAN_ETH_HLEN;
920 return sizeof(struct qeth_hdr_tso) + ETH_HLEN;
923 #else /* CONFIG_QETH_IPV6 */
924 #ifdef CONFIG_QETH_VLAN
925 return sizeof(struct qeth_hdr_tso) + VLAN_HLEN;
927 return sizeof(struct qeth_hdr_tso);
929 #endif /* CONFIG_QETH_IPV6 */
932 static inline unsigned short
933 qeth_get_netdev_flags(struct qeth_card *card)
935 if (card->options.layer2 &&
936 (card->info.type == QETH_CARD_TYPE_OSAE))
938 switch (card->info.type) {
939 case QETH_CARD_TYPE_IQD:
940 case QETH_CARD_TYPE_OSN:
942 #ifdef CONFIG_QETH_IPV6
953 qeth_get_initial_mtu_for_card(struct qeth_card * card)
955 switch (card->info.type) {
956 case QETH_CARD_TYPE_UNKNOWN:
958 case QETH_CARD_TYPE_IQD:
959 return card->info.max_mtu;
960 case QETH_CARD_TYPE_OSAE:
961 switch (card->info.link_type) {
962 case QETH_LINK_TYPE_HSTR:
963 case QETH_LINK_TYPE_LANE_TR:
974 qeth_get_max_mtu_for_card(int cardtype)
978 case QETH_CARD_TYPE_UNKNOWN:
979 case QETH_CARD_TYPE_OSAE:
980 case QETH_CARD_TYPE_OSN:
982 case QETH_CARD_TYPE_IQD:
990 qeth_get_mtu_out_of_mpc(int cardtype)
993 case QETH_CARD_TYPE_IQD:
1001 qeth_get_mtu_outof_framesize(int framesize)
1003 switch (framesize) {
1018 qeth_mtu_is_valid(struct qeth_card * card, int mtu)
1020 switch (card->info.type) {
1021 case QETH_CARD_TYPE_OSAE:
1022 return ((mtu >= 576) && (mtu <= 61440));
1023 case QETH_CARD_TYPE_IQD:
1024 return ((mtu >= 576) &&
1025 (mtu <= card->info.max_mtu + 4096 - 32));
1026 case QETH_CARD_TYPE_OSN:
1027 case QETH_CARD_TYPE_UNKNOWN:
1034 qeth_get_arphdr_type(int cardtype, int linktype)
1037 case QETH_CARD_TYPE_OSAE:
1038 case QETH_CARD_TYPE_OSN:
1040 case QETH_LINK_TYPE_LANE_TR:
1041 case QETH_LINK_TYPE_HSTR:
1042 return ARPHRD_IEEE802_TR;
1044 return ARPHRD_ETHER;
1046 case QETH_CARD_TYPE_IQD:
1048 return ARPHRD_ETHER;
1053 qeth_get_micros(void)
1055 return (int) (get_clock() >> 12);
1059 qeth_get_qdio_q_format(struct qeth_card *card)
1061 switch (card->info.type) {
1062 case QETH_CARD_TYPE_IQD:
1070 qeth_isxdigit(char * buf)
1073 if (!isxdigit(*buf++))
1080 qeth_ipaddr4_to_string(const __u8 *addr, char *buf)
1082 sprintf(buf, "%i.%i.%i.%i", addr[0], addr[1], addr[2], addr[3]);
1086 qeth_string_to_ipaddr4(const char *buf, __u8 *addr)
1088 int count = 0, rc = 0;
1092 rc = sscanf(buf, "%u.%u.%u.%u%c",
1093 &in[0], &in[1], &in[2], &in[3], &c);
1094 if (rc != 4 && (rc != 5 || c != '\n'))
1096 for (count = 0; count < 4; count++) {
1097 if (in[count] > 255)
1099 addr[count] = in[count];
1105 qeth_ipaddr6_to_string(const __u8 *addr, char *buf)
1107 sprintf(buf, "%02x%02x:%02x%02x:%02x%02x:%02x%02x"
1108 ":%02x%02x:%02x%02x:%02x%02x:%02x%02x",
1109 addr[0], addr[1], addr[2], addr[3],
1110 addr[4], addr[5], addr[6], addr[7],
1111 addr[8], addr[9], addr[10], addr[11],
1112 addr[12], addr[13], addr[14], addr[15]);
1116 qeth_string_to_ipaddr6(const char *buf, __u8 *addr)
1118 const char *end, *end_tmp, *start;
1121 int num2, cnt, out, found, save_cnt;
1122 unsigned short in_tmp[8] = {0, };
1124 cnt = out = found = save_cnt = num2 = 0;
1126 in = (__u16 *) addr;
1129 end = strchr(start,':');
1131 end = buf + strlen(buf);
1132 if ((end_tmp = strchr(start, '\n')) != NULL)
1136 if ((end - start)) {
1138 if ((end - start) > 4)
1140 memcpy(num, start, end - start);
1141 if (!qeth_isxdigit(num))
1143 sscanf(start, "%x", &num2);
1145 in_tmp[save_cnt++] = num2;
1157 if (cnt + save_cnt > 8)
1161 in[cnt--] = in_tmp[--save_cnt];
1166 qeth_ipaddr_to_string(enum qeth_prot_versions proto, const __u8 *addr,
1169 if (proto == QETH_PROT_IPV4)
1170 return qeth_ipaddr4_to_string(addr, buf);
1171 else if (proto == QETH_PROT_IPV6)
1172 return qeth_ipaddr6_to_string(addr, buf);
1176 qeth_string_to_ipaddr(const char *buf, enum qeth_prot_versions proto,
1179 if (proto == QETH_PROT_IPV4)
1180 return qeth_string_to_ipaddr4(buf, addr);
1181 else if (proto == QETH_PROT_IPV6)
1182 return qeth_string_to_ipaddr6(buf, addr);
1188 qeth_setrouting_v4(struct qeth_card *);
1190 qeth_setrouting_v6(struct qeth_card *);
1193 qeth_add_ipato_entry(struct qeth_card *, struct qeth_ipato_entry *);
1196 qeth_del_ipato_entry(struct qeth_card *, enum qeth_prot_versions, u8 *, int);
1199 qeth_add_vipa(struct qeth_card *, enum qeth_prot_versions, const u8 *);
1202 qeth_del_vipa(struct qeth_card *, enum qeth_prot_versions, const u8 *);
1205 qeth_add_rxip(struct qeth_card *, enum qeth_prot_versions, const u8 *);
1208 qeth_del_rxip(struct qeth_card *, enum qeth_prot_versions, const u8 *);
1211 qeth_notifier_register(struct task_struct *, int );
1214 qeth_notifier_unregister(struct task_struct * );
1217 qeth_schedule_recovery(struct qeth_card *);
1220 qeth_realloc_buffer_pool(struct qeth_card *, int);
1223 qeth_set_large_send(struct qeth_card *, enum qeth_large_send_types);
1226 qeth_fill_header(struct qeth_card *, struct qeth_hdr *,
1227 struct sk_buff *, int, int);
1229 qeth_flush_buffers(struct qeth_qdio_out_q *, int, int, int);
1232 qeth_osn_assist(struct net_device *, void *, int);
1235 qeth_osn_register(unsigned char *read_dev_no,
1236 struct net_device **,
1237 int (*assist_cb)(struct net_device *, void *),
1238 int (*data_cb)(struct sk_buff *));
1241 qeth_osn_deregister(struct net_device *);
1243 #endif /* __QETH_H__ */