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
155 * Common IO related definitions
157 extern struct device *qeth_root_dev;
158 extern struct ccw_driver qeth_ccw_driver;
159 extern struct ccwgroup_driver qeth_ccwgroup_driver;
161 #define CARD_RDEV(card) card->read.ccwdev
162 #define CARD_WDEV(card) card->write.ccwdev
163 #define CARD_DDEV(card) card->data.ccwdev
164 #define CARD_BUS_ID(card) card->gdev->dev.bus_id
165 #define CARD_RDEV_ID(card) card->read.ccwdev->dev.bus_id
166 #define CARD_WDEV_ID(card) card->write.ccwdev->dev.bus_id
167 #define CARD_DDEV_ID(card) card->data.ccwdev->dev.bus_id
168 #define CHANNEL_ID(channel) channel->ccwdev->dev.bus_id
170 #define CARD_FROM_CDEV(cdev) (struct qeth_card *) \
171 ((struct ccwgroup_device *)cdev->dev.driver_data)\
177 struct qeth_perf_stats {
178 unsigned int bufs_rec;
179 unsigned int bufs_sent;
181 unsigned int skbs_sent_pack;
182 unsigned int bufs_sent_pack;
184 unsigned int sc_dp_p;
185 unsigned int sc_p_dp;
186 /* qdio_input_handler: number of times called, time spent in */
187 __u64 inbound_start_time;
188 unsigned int inbound_cnt;
189 unsigned int inbound_time;
190 /* qeth_send_packet: number of times called, time spent in */
191 __u64 outbound_start_time;
192 unsigned int outbound_cnt;
193 unsigned int outbound_time;
194 /* qdio_output_handler: number of times called, time spent in */
195 __u64 outbound_handler_start_time;
196 unsigned int outbound_handler_cnt;
197 unsigned int outbound_handler_time;
198 /* number of calls to and time spent in do_QDIO for inbound queue */
199 __u64 inbound_do_qdio_start_time;
200 unsigned int inbound_do_qdio_cnt;
201 unsigned int inbound_do_qdio_time;
202 /* number of calls to and time spent in do_QDIO for outbound queues */
203 __u64 outbound_do_qdio_start_time;
204 unsigned int outbound_do_qdio_cnt;
205 unsigned int outbound_do_qdio_time;
207 unsigned int large_send_bytes;
208 unsigned int large_send_cnt;
209 unsigned int sg_skbs_sent;
210 unsigned int sg_frags_sent;
211 /* initial values when measuring starts */
212 unsigned long initial_rx_packets;
213 unsigned long initial_tx_packets;
214 /* inbound scatter gather data */
215 unsigned int sg_skbs_rx;
216 unsigned int sg_frags_rx;
217 unsigned int sg_alloc_page_rx;
221 struct qeth_routing_info {
222 enum qeth_routing_types type;
226 struct qeth_ipa_info {
227 __u32 supported_funcs;
232 qeth_is_ipa_supported(struct qeth_ipa_info *ipa, enum qeth_ipa_funcs func)
234 return (ipa->supported_funcs & func);
238 qeth_is_ipa_enabled(struct qeth_ipa_info *ipa, enum qeth_ipa_funcs func)
240 return (ipa->supported_funcs & ipa->enabled_funcs & func);
243 #define qeth_adp_supported(c,f) \
244 qeth_is_ipa_supported(&c->options.adp, f)
245 #define qeth_adp_enabled(c,f) \
246 qeth_is_ipa_enabled(&c->options.adp, f)
247 #define qeth_is_supported(c,f) \
248 qeth_is_ipa_supported(&c->options.ipa4, f)
249 #define qeth_is_enabled(c,f) \
250 qeth_is_ipa_enabled(&c->options.ipa4, f)
251 #ifdef CONFIG_QETH_IPV6
252 #define qeth_is_supported6(c,f) \
253 qeth_is_ipa_supported(&c->options.ipa6, f)
254 #define qeth_is_enabled6(c,f) \
255 qeth_is_ipa_enabled(&c->options.ipa6, f)
256 #else /* CONFIG_QETH_IPV6 */
257 #define qeth_is_supported6(c,f) 0
258 #define qeth_is_enabled6(c,f) 0
259 #endif /* CONFIG_QETH_IPV6 */
260 #define qeth_is_ipafunc_supported(c,prot,f) \
261 (prot==QETH_PROT_IPV6)? qeth_is_supported6(c,f):qeth_is_supported(c,f)
262 #define qeth_is_ipafunc_enabled(c,prot,f) \
263 (prot==QETH_PROT_IPV6)? qeth_is_enabled6(c,f):qeth_is_enabled(c,f)
266 #define QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT 0x0101
267 #define QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT 0x0101
268 #define QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT 0x4108
269 #define QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT 0x5108
271 #define QETH_MODELLIST_ARRAY \
272 {{0x1731,0x01,0x1732,0x01,QETH_CARD_TYPE_OSAE,1, \
273 QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT, \
274 QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT, \
275 QETH_MAX_QUEUES,0}, \
276 {0x1731,0x05,0x1732,0x05,QETH_CARD_TYPE_IQD,0, \
277 QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT, \
278 QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT, \
279 QETH_MAX_QUEUES,0x103}, \
280 {0x1731,0x06,0x1732,0x06,QETH_CARD_TYPE_OSN,0, \
281 QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT, \
282 QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT, \
283 QETH_MAX_QUEUES,0}, \
286 #define QETH_REAL_CARD 1
287 #define QETH_VLAN_CARD 2
288 #define QETH_BUFSIZE 4096
293 #define IF_NAME_LEN 16
294 #define QETH_TX_TIMEOUT 100 * HZ
295 #define QETH_RCD_TIMEOUT 60 * HZ
296 #define QETH_HEADER_SIZE 32
297 #define MAX_PORTNO 15
298 #define QETH_FAKE_LL_LEN_ETH ETH_HLEN
299 #define QETH_FAKE_LL_LEN_TR (sizeof(struct trh_hdr)-TR_MAXRIFLEN+sizeof(struct trllc))
300 #define QETH_FAKE_LL_V6_ADDR_POS 24
302 /*IPv6 address autoconfiguration stuff*/
303 #define UNIQUE_ID_IF_CREATE_ADDR_FAILED 0xfffe
304 #define UNIQUE_ID_NOT_BY_CARD 0x10000
306 /*****************************************************************************/
307 /* QDIO queue and buffer handling */
308 /*****************************************************************************/
309 #define QETH_MAX_QUEUES 4
310 #define QETH_IN_BUF_SIZE_DEFAULT 65536
311 #define QETH_IN_BUF_COUNT_DEFAULT 16
312 #define QETH_IN_BUF_COUNT_MIN 8
313 #define QETH_IN_BUF_COUNT_MAX 128
314 #define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12)
315 #define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \
316 ((card)->qdio.in_buf_pool.buf_count / 2)
318 /* buffers we have to be behind before we get a PCI */
319 #define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1)
320 /*enqueued free buffers left before we get a PCI*/
321 #define QETH_PCI_THRESHOLD_B(card) 0
322 /*not used unless the microcode gets patched*/
323 #define QETH_PCI_TIMER_VALUE(card) 3
325 #define QETH_MIN_INPUT_THRESHOLD 1
326 #define QETH_MAX_INPUT_THRESHOLD 500
327 #define QETH_MIN_OUTPUT_THRESHOLD 1
328 #define QETH_MAX_OUTPUT_THRESHOLD 300
330 /* priority queing */
331 #define QETH_PRIOQ_DEFAULT QETH_NO_PRIO_QUEUEING
332 #define QETH_DEFAULT_QUEUE 2
333 #define QETH_NO_PRIO_QUEUEING 0
334 #define QETH_PRIO_Q_ING_PREC 1
335 #define QETH_PRIO_Q_ING_TOS 2
336 #define IP_TOS_LOWDELAY 0x10
337 #define IP_TOS_HIGHTHROUGHPUT 0x08
338 #define IP_TOS_HIGHRELIABILITY 0x04
339 #define IP_TOS_NOTIMPORTANT 0x02
342 #define QETH_LOW_WATERMARK_PACK 2
343 #define QETH_HIGH_WATERMARK_PACK 5
344 #define QETH_WATERMARK_PACK_FUZZ 1
346 #define QETH_IP_HEADER_SIZE 40
348 /* large receive scatter gather copy break */
349 #define QETH_RX_SG_CB (PAGE_SIZE >> 1)
351 struct qeth_hdr_layer3 {
354 __u16 inbound_checksum; /*TSO:__u16 seqno */
355 __u32 token; /*TSO: __u32 reserved */
362 } __attribute__ ((packed));
364 struct qeth_hdr_layer2 {
374 } __attribute__ ((packed));
376 struct qeth_hdr_osn {
385 } __attribute__ ((packed));
389 struct qeth_hdr_layer2 l2;
390 struct qeth_hdr_layer3 l3;
391 struct qeth_hdr_osn osn;
393 } __attribute__ ((packed));
395 /*TCP Segmentation Offload header*/
396 struct qeth_hdr_ext_tso {
407 } __attribute__ ((packed));
409 struct qeth_hdr_tso {
410 struct qeth_hdr hdr; /*hdr->hdr.l3.xxx*/
411 struct qeth_hdr_ext_tso ext;
412 } __attribute__ ((packed));
415 /* flags for qeth_hdr.flags */
416 #define QETH_HDR_PASSTHRU 0x10
417 #define QETH_HDR_IPV6 0x80
418 #define QETH_HDR_CAST_MASK 0x07
419 enum qeth_cast_flags {
420 QETH_CAST_UNICAST = 0x06,
421 QETH_CAST_MULTICAST = 0x04,
422 QETH_CAST_BROADCAST = 0x05,
423 QETH_CAST_ANYCAST = 0x07,
424 QETH_CAST_NOCAST = 0x00,
427 enum qeth_layer2_frame_flags {
428 QETH_LAYER2_FLAG_MULTICAST = 0x01,
429 QETH_LAYER2_FLAG_BROADCAST = 0x02,
430 QETH_LAYER2_FLAG_UNICAST = 0x04,
431 QETH_LAYER2_FLAG_VLAN = 0x10,
434 enum qeth_header_ids {
435 QETH_HEADER_TYPE_LAYER3 = 0x01,
436 QETH_HEADER_TYPE_LAYER2 = 0x02,
437 QETH_HEADER_TYPE_TSO = 0x03,
438 QETH_HEADER_TYPE_OSN = 0x04,
440 /* flags for qeth_hdr.ext_flags */
441 #define QETH_HDR_EXT_VLAN_FRAME 0x01
442 #define QETH_HDR_EXT_TOKEN_ID 0x02
443 #define QETH_HDR_EXT_INCLUDE_VLAN_TAG 0x04
444 #define QETH_HDR_EXT_SRC_MAC_ADDR 0x08
445 #define QETH_HDR_EXT_CSUM_HDR_REQ 0x10
446 #define QETH_HDR_EXT_CSUM_TRANSP_REQ 0x20
447 #define QETH_HDR_EXT_UDP_TSO 0x40 /*bit off for TCP*/
450 qeth_is_last_sbale(struct qdio_buffer_element *sbale)
452 return (sbale->flags & SBAL_FLAGS_LAST_ENTRY);
455 enum qeth_qdio_buffer_states {
457 * inbound: read out by driver; owned by hardware in order to be filled
458 * outbound: owned by driver in order to be filled
462 * inbound: filled by hardware; owned by driver in order to be read out
463 * outbound: filled by driver; owned by hardware in order to be sent
465 QETH_QDIO_BUF_PRIMED,
468 enum qeth_qdio_info_states {
469 QETH_QDIO_UNINITIALIZED,
471 QETH_QDIO_ESTABLISHED,
475 struct qeth_buffer_pool_entry {
476 struct list_head list;
477 struct list_head init_list;
478 void *elements[QDIO_MAX_ELEMENTS_PER_BUFFER];
481 struct qeth_qdio_buffer_pool {
482 struct list_head entry_list;
486 struct qeth_qdio_buffer {
487 struct qdio_buffer *buffer;
488 volatile enum qeth_qdio_buffer_states state;
489 /* the buffer pool entry currently associated to this buffer */
490 struct qeth_buffer_pool_entry *pool_entry;
494 struct qdio_buffer qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
495 struct qeth_qdio_buffer bufs[QDIO_MAX_BUFFERS_PER_Q];
497 * buf_to_init means "buffer must be initialized by driver and must
498 * be made available for hardware" -> state is set to EMPTY
500 volatile int next_buf_to_init;
501 } __attribute__ ((aligned(256)));
503 /* possible types of qeth large_send support */
504 enum qeth_large_send_types {
506 QETH_LARGE_SEND_EDDP,
510 struct qeth_qdio_out_buffer {
511 struct qdio_buffer *buffer;
513 volatile int next_element_to_fill;
514 struct sk_buff_head skb_list;
515 struct list_head ctx_list;
520 enum qeth_out_q_states {
523 QETH_OUT_Q_LOCKED_FLUSH,
526 struct qeth_qdio_out_q {
527 struct qdio_buffer qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
528 struct qeth_qdio_out_buffer bufs[QDIO_MAX_BUFFERS_PER_Q];
530 struct qeth_card *card;
532 volatile int do_pack;
534 * index of buffer to be filled by driver; state EMPTY or PACKING
536 volatile int next_buf_to_fill;
538 * number of buffers that are currently filled (PRIMED)
539 * -> these buffers are hardware-owned
541 atomic_t used_buffers;
542 /* indicates whether PCI flag must be set (or if one is outstanding) */
543 atomic_t set_pci_flags_count;
544 } __attribute__ ((aligned(256)));
546 struct qeth_qdio_info {
549 struct qeth_qdio_q *in_q;
550 struct qeth_qdio_buffer_pool in_buf_pool;
551 struct qeth_qdio_buffer_pool init_pool;
556 struct qeth_qdio_out_q **out_qs;
558 /* priority queueing */
559 int do_prio_queueing;
560 int default_out_queue;
563 enum qeth_send_errors {
564 QETH_SEND_ERROR_NONE,
565 QETH_SEND_ERROR_LINK_FAILURE,
566 QETH_SEND_ERROR_RETRY,
567 QETH_SEND_ERROR_KICK_IT,
570 #define QETH_ETH_MAC_V4 0x0100 /* like v4 */
571 #define QETH_ETH_MAC_V6 0x3333 /* like v6 */
572 /* tr mc mac is longer, but that will be enough to detect mc frames */
573 #define QETH_TR_MAC_NC 0xc000 /* non-canonical */
574 #define QETH_TR_MAC_C 0x0300 /* canonical */
576 #define DEFAULT_ADD_HHLEN 0
577 #define MAX_ADD_HHLEN 1024
580 * buffer stuff for read channel
582 #define QETH_CMD_BUFFER_NO 8
585 * channel state machine
587 enum qeth_channel_states {
599 enum qeth_card_states {
601 CARD_STATE_HARDSETUP,
602 CARD_STATE_SOFTSETUP,
610 enum qeth_prot_versions {
611 QETH_PROT_IPV4 = 0x0004,
612 QETH_PROT_IPV6 = 0x0006,
619 QETH_IP_TYPE_DEL_ALL_MC,
622 enum qeth_cmd_buffer_state {
628 * IP address and multicast list
631 struct list_head entry;
632 enum qeth_ip_types type;
633 enum qeth_ipa_setdelip_flags set_flags;
634 enum qeth_ipa_setdelip_flags del_flags;
637 enum qeth_prot_versions proto;
638 unsigned char mac[OSA_ADDR_LEN];
645 struct in6_addr addr;
651 struct qeth_ipato_entry {
652 struct list_head entry;
653 enum qeth_prot_versions proto;
662 struct list_head entries;
667 struct qeth_cmd_buffer {
668 enum qeth_cmd_buffer_state state;
669 struct qeth_channel *channel;
672 void (*callback) (struct qeth_channel *, struct qeth_cmd_buffer *);
677 * definition of a qeth channel, used for read and write
679 struct qeth_channel {
680 enum qeth_channel_states state;
683 wait_queue_head_t wait_q;
684 struct tasklet_struct irq_tasklet;
685 struct ccw_device *ccwdev;
686 /*command buffer for control data*/
687 struct qeth_cmd_buffer iob[QETH_CMD_BUFFER_NO];
688 atomic_t irq_pending;
689 volatile int io_buf_no;
694 * OSA card related definitions
701 __u32 cm_connection_w;
702 __u32 cm_connection_r;
705 __u32 ulp_connection_w;
706 __u32 ulp_connection_r;
718 struct list_head list;
719 wait_queue_head_t wait_q;
720 int (*callback)(struct qeth_card *,struct qeth_reply *,unsigned long);
722 unsigned long offset;
726 struct qeth_card *card;
731 struct qeth_card_blkt {
734 int inter_packet_jumbo;
737 #define QETH_BROADCAST_WITH_ECHO 0x01
738 #define QETH_BROADCAST_WITHOUT_ECHO 0x02
739 #define QETH_LAYER2_MAC_READ 0x01
740 #define QETH_LAYER2_MAC_REGISTERED 0x02
741 struct qeth_card_info {
742 unsigned short unit_addr2;
744 unsigned short chpid;
746 char mcl_level[QETH_MCL_LENGTH + 1];
749 int portname_required;
752 enum qeth_card_types type;
753 enum qeth_link_types link_type;
754 int is_multicast_different;
757 int broadcast_capable;
759 struct qeth_card_blkt blkt;
761 enum qeth_ipa_promisc_modes promisc_mode;
764 struct qeth_card_options {
765 struct qeth_routing_info route4;
766 struct qeth_ipa_info ipa4;
767 struct qeth_ipa_info adp; /*Adapter parameters*/
768 #ifdef CONFIG_QETH_IPV6
769 struct qeth_routing_info route6;
770 struct qeth_ipa_info ipa6;
771 #endif /* QETH_IPV6 */
772 enum qeth_checksum_types checksum_type;
779 enum qeth_large_send_types large_send;
780 int performance_stats;
785 * thread bits for qeth_card thread masks
788 QETH_SET_IP_THREAD = 1,
789 QETH_RECOVER_THREAD = 2,
790 QETH_SET_PROMISC_MODE_THREAD = 4,
793 struct qeth_osn_info {
794 int (*assist_cb)(struct net_device *dev, void *data);
795 int (*data_cb)(struct sk_buff *skb);
799 struct list_head list;
800 enum qeth_card_states state;
803 /*hardware and sysfs stuff*/
804 struct ccwgroup_device *gdev;
805 struct qeth_channel read;
806 struct qeth_channel write;
807 struct qeth_channel data;
809 struct net_device *dev;
810 struct net_device_stats stats;
812 struct qeth_card_info info;
813 struct qeth_token token;
814 struct qeth_seqno seqno;
815 struct qeth_card_options options;
817 wait_queue_head_t wait_q;
818 #ifdef CONFIG_QETH_VLAN
820 struct vlan_group *vlangrp;
822 struct work_struct kernel_thread_starter;
823 spinlock_t thread_mask_lock;
824 volatile unsigned long thread_start_mask;
825 volatile unsigned long thread_allowed_mask;
826 volatile unsigned long thread_running_mask;
828 struct list_head ip_list;
829 struct list_head *ip_tbd_list;
830 struct qeth_ipato ipato;
831 struct list_head cmd_waiter_list;
832 /* QDIO buffer handling */
833 struct qeth_qdio_info qdio;
834 struct qeth_perf_stats perf_stats;
836 const struct header_ops *orig_header_ops;
837 struct qeth_osn_info osn_info;
838 atomic_t force_alloc_skb;
841 struct qeth_card_list_struct {
842 struct list_head list;
846 extern struct qeth_card_list_struct qeth_card_list;
849 struct qeth_notify_list_struct {
850 struct list_head list;
851 struct task_struct *task;
854 extern spinlock_t qeth_notify_lock;
855 extern struct list_head qeth_notify_list;
857 /*some helper functions*/
859 #define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "")
862 qeth_get_ipa_adp_type(enum qeth_link_types link_type)
865 case QETH_LINK_TYPE_HSTR:
872 static inline struct sk_buff *
873 qeth_realloc_headroom(struct qeth_card *card, struct sk_buff *skb, int size)
875 struct sk_buff *new_skb = skb;
877 if (skb_headroom(skb) >= size)
879 new_skb = skb_realloc_headroom(skb, size);
881 PRINT_ERR("Could not realloc headroom for qeth_hdr "
882 "on interface %s", QETH_CARD_IFNAME(card));
886 static inline struct sk_buff *
887 qeth_pskb_unshare(struct sk_buff *skb, gfp_t pri)
889 struct sk_buff *nskb;
890 if (!skb_cloned(skb))
892 nskb = skb_copy(skb, pri);
897 qeth_push_skb(struct qeth_card *card, struct sk_buff *skb, int size)
901 hdr = (void *) skb_push(skb, size);
903 * sanity check, the Linux memory allocation scheme should
904 * never present us cases like this one (the qdio header size plus
905 * the first 40 bytes of the paket cross a 4k boundary)
907 if ((((unsigned long) hdr) & (~(PAGE_SIZE - 1))) !=
908 (((unsigned long) hdr + size +
909 QETH_IP_HEADER_SIZE) & (~(PAGE_SIZE - 1)))) {
910 PRINT_ERR("Misaligned packet on interface %s. Discarded.",
911 QETH_CARD_IFNAME(card));
919 qeth_get_hlen(__u8 link_type)
921 #ifdef CONFIG_QETH_IPV6
923 case QETH_LINK_TYPE_HSTR:
924 case QETH_LINK_TYPE_LANE_TR:
925 return sizeof(struct qeth_hdr_tso) + TR_HLEN;
927 #ifdef CONFIG_QETH_VLAN
928 return sizeof(struct qeth_hdr_tso) + VLAN_ETH_HLEN;
930 return sizeof(struct qeth_hdr_tso) + ETH_HLEN;
933 #else /* CONFIG_QETH_IPV6 */
934 #ifdef CONFIG_QETH_VLAN
935 return sizeof(struct qeth_hdr_tso) + VLAN_HLEN;
937 return sizeof(struct qeth_hdr_tso);
939 #endif /* CONFIG_QETH_IPV6 */
942 static inline unsigned short
943 qeth_get_netdev_flags(struct qeth_card *card)
945 if (card->options.layer2 &&
946 (card->info.type == QETH_CARD_TYPE_OSAE))
948 switch (card->info.type) {
949 case QETH_CARD_TYPE_IQD:
950 case QETH_CARD_TYPE_OSN:
952 #ifdef CONFIG_QETH_IPV6
963 qeth_get_initial_mtu_for_card(struct qeth_card * card)
965 switch (card->info.type) {
966 case QETH_CARD_TYPE_UNKNOWN:
968 case QETH_CARD_TYPE_IQD:
969 return card->info.max_mtu;
970 case QETH_CARD_TYPE_OSAE:
971 switch (card->info.link_type) {
972 case QETH_LINK_TYPE_HSTR:
973 case QETH_LINK_TYPE_LANE_TR:
984 qeth_get_max_mtu_for_card(int cardtype)
988 case QETH_CARD_TYPE_UNKNOWN:
989 case QETH_CARD_TYPE_OSAE:
990 case QETH_CARD_TYPE_OSN:
992 case QETH_CARD_TYPE_IQD:
1000 qeth_get_mtu_out_of_mpc(int cardtype)
1003 case QETH_CARD_TYPE_IQD:
1011 qeth_get_mtu_outof_framesize(int framesize)
1013 switch (framesize) {
1028 qeth_mtu_is_valid(struct qeth_card * card, int mtu)
1030 switch (card->info.type) {
1031 case QETH_CARD_TYPE_OSAE:
1032 return ((mtu >= 576) && (mtu <= 61440));
1033 case QETH_CARD_TYPE_IQD:
1034 return ((mtu >= 576) &&
1035 (mtu <= card->info.max_mtu + 4096 - 32));
1036 case QETH_CARD_TYPE_OSN:
1037 case QETH_CARD_TYPE_UNKNOWN:
1044 qeth_get_arphdr_type(int cardtype, int linktype)
1047 case QETH_CARD_TYPE_OSAE:
1048 case QETH_CARD_TYPE_OSN:
1050 case QETH_LINK_TYPE_LANE_TR:
1051 case QETH_LINK_TYPE_HSTR:
1052 return ARPHRD_IEEE802_TR;
1054 return ARPHRD_ETHER;
1056 case QETH_CARD_TYPE_IQD:
1058 return ARPHRD_ETHER;
1063 qeth_get_micros(void)
1065 return (int) (get_clock() >> 12);
1069 qeth_get_qdio_q_format(struct qeth_card *card)
1071 switch (card->info.type) {
1072 case QETH_CARD_TYPE_IQD:
1080 qeth_isxdigit(char * buf)
1083 if (!isxdigit(*buf++))
1090 qeth_ipaddr4_to_string(const __u8 *addr, char *buf)
1092 sprintf(buf, "%i.%i.%i.%i", addr[0], addr[1], addr[2], addr[3]);
1096 qeth_string_to_ipaddr4(const char *buf, __u8 *addr)
1098 int count = 0, rc = 0;
1102 rc = sscanf(buf, "%u.%u.%u.%u%c",
1103 &in[0], &in[1], &in[2], &in[3], &c);
1104 if (rc != 4 && (rc != 5 || c != '\n'))
1106 for (count = 0; count < 4; count++) {
1107 if (in[count] > 255)
1109 addr[count] = in[count];
1115 qeth_ipaddr6_to_string(const __u8 *addr, char *buf)
1117 sprintf(buf, "%02x%02x:%02x%02x:%02x%02x:%02x%02x"
1118 ":%02x%02x:%02x%02x:%02x%02x:%02x%02x",
1119 addr[0], addr[1], addr[2], addr[3],
1120 addr[4], addr[5], addr[6], addr[7],
1121 addr[8], addr[9], addr[10], addr[11],
1122 addr[12], addr[13], addr[14], addr[15]);
1126 qeth_string_to_ipaddr6(const char *buf, __u8 *addr)
1128 const char *end, *end_tmp, *start;
1131 int num2, cnt, out, found, save_cnt;
1132 unsigned short in_tmp[8] = {0, };
1134 cnt = out = found = save_cnt = num2 = 0;
1136 in = (__u16 *) addr;
1139 end = strchr(start,':');
1141 end = buf + strlen(buf);
1142 if ((end_tmp = strchr(start, '\n')) != NULL)
1146 if ((end - start)) {
1148 if ((end - start) > 4)
1150 memcpy(num, start, end - start);
1151 if (!qeth_isxdigit(num))
1153 sscanf(start, "%x", &num2);
1155 in_tmp[save_cnt++] = num2;
1167 if (cnt + save_cnt > 8)
1171 in[cnt--] = in_tmp[--save_cnt];
1176 qeth_ipaddr_to_string(enum qeth_prot_versions proto, const __u8 *addr,
1179 if (proto == QETH_PROT_IPV4)
1180 qeth_ipaddr4_to_string(addr, buf);
1181 else if (proto == QETH_PROT_IPV6)
1182 qeth_ipaddr6_to_string(addr, buf);
1186 qeth_string_to_ipaddr(const char *buf, enum qeth_prot_versions proto,
1189 if (proto == QETH_PROT_IPV4)
1190 return qeth_string_to_ipaddr4(buf, addr);
1191 else if (proto == QETH_PROT_IPV6)
1192 return qeth_string_to_ipaddr6(buf, addr);
1198 qeth_setrouting_v4(struct qeth_card *);
1200 qeth_setrouting_v6(struct qeth_card *);
1203 qeth_add_ipato_entry(struct qeth_card *, struct qeth_ipato_entry *);
1206 qeth_del_ipato_entry(struct qeth_card *, enum qeth_prot_versions, u8 *, int);
1209 qeth_add_vipa(struct qeth_card *, enum qeth_prot_versions, const u8 *);
1212 qeth_del_vipa(struct qeth_card *, enum qeth_prot_versions, const u8 *);
1215 qeth_add_rxip(struct qeth_card *, enum qeth_prot_versions, const u8 *);
1218 qeth_del_rxip(struct qeth_card *, enum qeth_prot_versions, const u8 *);
1221 qeth_notifier_register(struct task_struct *, int );
1224 qeth_notifier_unregister(struct task_struct * );
1227 qeth_schedule_recovery(struct qeth_card *);
1230 qeth_realloc_buffer_pool(struct qeth_card *, int);
1233 qeth_set_large_send(struct qeth_card *, enum qeth_large_send_types);
1236 qeth_fill_header(struct qeth_card *, struct qeth_hdr *,
1237 struct sk_buff *, int, int);
1239 qeth_flush_buffers(struct qeth_qdio_out_q *, int, int, int);
1242 qeth_osn_assist(struct net_device *, void *, int);
1245 qeth_osn_register(unsigned char *read_dev_no,
1246 struct net_device **,
1247 int (*assist_cb)(struct net_device *, void *),
1248 int (*data_cb)(struct sk_buff *));
1251 qeth_osn_deregister(struct net_device *);
1253 #endif /* __QETH_H__ */