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: 1.137 $"
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_INDEX 3
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_INDEX 1
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_INDEX 3
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_INDEX 3
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_INDEX 2
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_INDEX 1
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_INDEX 1
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));
374 /* flags for qeth_hdr.flags */
375 #define QETH_HDR_PASSTHRU 0x10
376 #define QETH_HDR_IPV6 0x80
377 #define QETH_HDR_CAST_MASK 0x07
378 enum qeth_cast_flags {
379 QETH_CAST_UNICAST = 0x06,
380 QETH_CAST_MULTICAST = 0x04,
381 QETH_CAST_BROADCAST = 0x05,
382 QETH_CAST_ANYCAST = 0x07,
383 QETH_CAST_NOCAST = 0x00,
386 enum qeth_layer2_frame_flags {
387 QETH_LAYER2_FLAG_MULTICAST = 0x01,
388 QETH_LAYER2_FLAG_BROADCAST = 0x02,
389 QETH_LAYER2_FLAG_UNICAST = 0x04,
390 QETH_LAYER2_FLAG_VLAN = 0x10,
393 enum qeth_header_ids {
394 QETH_HEADER_TYPE_LAYER3 = 0x01,
395 QETH_HEADER_TYPE_LAYER2 = 0x02,
396 QETH_HEADER_TYPE_TSO = 0x03,
398 /* flags for qeth_hdr.ext_flags */
399 #define QETH_HDR_EXT_VLAN_FRAME 0x01
400 #define QETH_HDR_EXT_TOKEN_ID 0x02
401 #define QETH_HDR_EXT_INCLUDE_VLAN_TAG 0x04
402 #define QETH_HDR_EXT_SRC_MAC_ADDR 0x08
403 #define QETH_HDR_EXT_CSUM_HDR_REQ 0x10
404 #define QETH_HDR_EXT_CSUM_TRANSP_REQ 0x20
405 #define QETH_HDR_EXT_UDP_TSO 0x40 /*bit off for TCP*/
408 qeth_is_last_sbale(struct qdio_buffer_element *sbale)
410 return (sbale->flags & SBAL_FLAGS_LAST_ENTRY);
413 enum qeth_qdio_buffer_states {
415 * inbound: read out by driver; owned by hardware in order to be filled
416 * outbound: owned by driver in order to be filled
420 * inbound: filled by hardware; owned by driver in order to be read out
421 * outbound: filled by driver; owned by hardware in order to be sent
423 QETH_QDIO_BUF_PRIMED,
426 enum qeth_qdio_info_states {
427 QETH_QDIO_UNINITIALIZED,
429 QETH_QDIO_ESTABLISHED,
432 struct qeth_buffer_pool_entry {
433 struct list_head list;
434 struct list_head init_list;
435 void *elements[QDIO_MAX_ELEMENTS_PER_BUFFER];
438 struct qeth_qdio_buffer_pool {
439 struct list_head entry_list;
443 struct qeth_qdio_buffer {
444 struct qdio_buffer *buffer;
445 volatile enum qeth_qdio_buffer_states state;
446 /* the buffer pool entry currently associated to this buffer */
447 struct qeth_buffer_pool_entry *pool_entry;
451 struct qdio_buffer qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
452 struct qeth_qdio_buffer bufs[QDIO_MAX_BUFFERS_PER_Q];
454 * buf_to_init means "buffer must be initialized by driver and must
455 * be made available for hardware" -> state is set to EMPTY
457 volatile int next_buf_to_init;
458 } __attribute__ ((aligned(256)));
460 /* possible types of qeth large_send support */
461 enum qeth_large_send_types {
463 QETH_LARGE_SEND_EDDP,
467 struct qeth_qdio_out_buffer {
468 struct qdio_buffer *buffer;
470 volatile int next_element_to_fill;
471 struct sk_buff_head skb_list;
472 struct list_head ctx_list;
477 enum qeth_out_q_states {
480 QETH_OUT_Q_LOCKED_FLUSH,
483 struct qeth_qdio_out_q {
484 struct qdio_buffer qdio_bufs[QDIO_MAX_BUFFERS_PER_Q];
485 struct qeth_qdio_out_buffer bufs[QDIO_MAX_BUFFERS_PER_Q];
487 struct qeth_card *card;
489 volatile int do_pack;
491 * index of buffer to be filled by driver; state EMPTY or PACKING
493 volatile int next_buf_to_fill;
495 * number of buffers that are currently filled (PRIMED)
496 * -> these buffers are hardware-owned
498 atomic_t used_buffers;
499 /* indicates whether PCI flag must be set (or if one is outstanding) */
500 atomic_t set_pci_flags_count;
501 } __attribute__ ((aligned(256)));
503 struct qeth_qdio_info {
504 volatile enum qeth_qdio_info_states state;
506 struct qeth_qdio_q *in_q;
507 struct qeth_qdio_buffer_pool in_buf_pool;
508 struct qeth_qdio_buffer_pool init_pool;
513 struct qeth_qdio_out_q **out_qs;
515 /* priority queueing */
516 int do_prio_queueing;
517 int default_out_queue;
520 enum qeth_send_errors {
521 QETH_SEND_ERROR_NONE,
522 QETH_SEND_ERROR_LINK_FAILURE,
523 QETH_SEND_ERROR_RETRY,
524 QETH_SEND_ERROR_KICK_IT,
527 #define QETH_ETH_MAC_V4 0x0100 /* like v4 */
528 #define QETH_ETH_MAC_V6 0x3333 /* like v6 */
529 /* tr mc mac is longer, but that will be enough to detect mc frames */
530 #define QETH_TR_MAC_NC 0xc000 /* non-canonical */
531 #define QETH_TR_MAC_C 0x0300 /* canonical */
533 #define DEFAULT_ADD_HHLEN 0
534 #define MAX_ADD_HHLEN 1024
537 * buffer stuff for read channel
539 #define QETH_CMD_BUFFER_NO 8
542 * channel state machine
544 enum qeth_channel_states {
554 enum qeth_card_states {
556 CARD_STATE_HARDSETUP,
557 CARD_STATE_SOFTSETUP,
565 enum qeth_prot_versions {
566 QETH_PROT_SNA = 0x0001,
567 QETH_PROT_IPV4 = 0x0004,
568 QETH_PROT_IPV6 = 0x0006,
575 QETH_IP_TYPE_DEL_ALL_MC,
578 enum qeth_cmd_buffer_state {
584 * IP address and multicast list
587 struct list_head entry;
588 enum qeth_ip_types type;
589 enum qeth_ipa_setdelip_flags set_flags;
590 enum qeth_ipa_setdelip_flags del_flags;
593 enum qeth_prot_versions proto;
594 unsigned char mac[OSA_ADDR_LEN];
601 struct in6_addr addr;
607 struct qeth_ipato_entry {
608 struct list_head entry;
609 enum qeth_prot_versions proto;
618 struct list_head entries;
623 struct qeth_cmd_buffer {
624 enum qeth_cmd_buffer_state state;
625 struct qeth_channel *channel;
628 void (*callback) (struct qeth_channel *, struct qeth_cmd_buffer *);
633 * definition of a qeth channel, used for read and write
635 struct qeth_channel {
636 enum qeth_channel_states state;
639 wait_queue_head_t wait_q;
640 struct tasklet_struct irq_tasklet;
641 struct ccw_device *ccwdev;
642 /*command buffer for control data*/
643 struct qeth_cmd_buffer iob[QETH_CMD_BUFFER_NO];
644 atomic_t irq_pending;
645 volatile int io_buf_no;
650 * OSA card related definitions
657 __u32 cm_connection_w;
658 __u32 cm_connection_r;
661 __u32 ulp_connection_w;
662 __u32 ulp_connection_r;
673 struct list_head list;
674 wait_queue_head_t wait_q;
675 int (*callback)(struct qeth_card *,struct qeth_reply *,unsigned long);
677 unsigned long offset;
681 struct qeth_card *card;
685 #define QETH_BROADCAST_WITH_ECHO 1
686 #define QETH_BROADCAST_WITHOUT_ECHO 2
688 struct qeth_card_blkt {
691 int inter_packet_jumbo;
696 struct qeth_card_info {
697 unsigned short unit_addr2;
699 unsigned short chpid;
701 char mcl_level[QETH_MCL_LENGTH + 1];
703 int layer2_mac_registered;
704 int portname_required;
707 enum qeth_card_types type;
708 enum qeth_link_types link_type;
709 int is_multicast_different;
712 int broadcast_capable;
714 struct qeth_card_blkt blkt;
718 struct qeth_card_options {
719 struct qeth_routing_info route4;
720 struct qeth_ipa_info ipa4;
721 struct qeth_ipa_info adp; /*Adapter parameters*/
722 #ifdef CONFIG_QETH_IPV6
723 struct qeth_routing_info route6;
724 struct qeth_ipa_info ipa6;
725 #endif /* QETH_IPV6 */
726 enum qeth_checksum_types checksum_type;
733 enum qeth_large_send_types large_send;
737 * thread bits for qeth_card thread masks
740 QETH_SET_IP_THREAD = 1,
741 QETH_RECOVER_THREAD = 2,
745 struct list_head list;
746 enum qeth_card_states state;
749 /*hardware and sysfs stuff*/
750 struct ccwgroup_device *gdev;
751 struct qeth_channel read;
752 struct qeth_channel write;
753 struct qeth_channel data;
755 struct net_device *dev;
756 struct net_device_stats stats;
758 struct qeth_card_info info;
759 struct qeth_token token;
760 struct qeth_seqno seqno;
761 struct qeth_card_options options;
763 wait_queue_head_t wait_q;
764 #ifdef CONFIG_QETH_VLAN
766 struct vlan_group *vlangrp;
768 struct work_struct kernel_thread_starter;
769 spinlock_t thread_mask_lock;
770 volatile unsigned long thread_start_mask;
771 volatile unsigned long thread_allowed_mask;
772 volatile unsigned long thread_running_mask;
774 struct list_head ip_list;
775 struct list_head *ip_tbd_list;
776 struct qeth_ipato ipato;
777 struct list_head cmd_waiter_list;
778 /* QDIO buffer handling */
779 struct qeth_qdio_info qdio;
780 #ifdef CONFIG_QETH_PERF_STATS
781 struct qeth_perf_stats perf_stats;
782 #endif /* CONFIG_QETH_PERF_STATS */
784 int (*orig_hard_header)(struct sk_buff *,struct net_device *,
785 unsigned short,void *,void *,unsigned);
788 struct qeth_card_list_struct {
789 struct list_head list;
793 extern struct qeth_card_list_struct qeth_card_list;
796 struct qeth_notify_list_struct {
797 struct list_head list;
798 struct task_struct *task;
801 extern spinlock_t qeth_notify_lock;
802 extern struct list_head qeth_notify_list;
804 /*some helper functions*/
806 #define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "")
809 qeth_get_ipa_adp_type(enum qeth_link_types link_type)
812 case QETH_LINK_TYPE_HSTR:
820 qeth_realloc_headroom(struct qeth_card *card, struct sk_buff **skb, int size)
822 struct sk_buff *new_skb = NULL;
824 if (skb_headroom(*skb) < size){
825 new_skb = skb_realloc_headroom(*skb, size);
827 PRINT_ERR("qeth_prepare_skb: could "
828 "not realloc headroom for qeth_hdr "
829 "on interface %s", QETH_CARD_IFNAME(card));
836 static inline struct sk_buff *
837 qeth_pskb_unshare(struct sk_buff *skb, int pri)
839 struct sk_buff *nskb;
840 if (!skb_cloned(skb))
842 nskb = skb_copy(skb, pri);
843 kfree_skb(skb); /* free our shared copy */
849 qeth_push_skb(struct qeth_card *card, struct sk_buff **skb, int size)
853 hdr = (void *) skb_push(*skb, size);
855 * sanity check, the Linux memory allocation scheme should
856 * never present us cases like this one (the qdio header size plus
857 * the first 40 bytes of the paket cross a 4k boundary)
859 if ((((unsigned long) hdr) & (~(PAGE_SIZE - 1))) !=
860 (((unsigned long) hdr + size +
861 QETH_IP_HEADER_SIZE) & (~(PAGE_SIZE - 1)))) {
862 PRINT_ERR("qeth_prepare_skb: misaligned "
863 "packet on interface %s. Discarded.",
864 QETH_CARD_IFNAME(card));
871 qeth_get_skb_data_len(struct sk_buff *skb)
876 for (i = 0; i < skb_shinfo(skb)->nr_frags; ++i)
877 len -= skb_shinfo(skb)->frags[i].size;
882 qeth_get_hlen(__u8 link_type)
884 #ifdef CONFIG_QETH_IPV6
886 case QETH_LINK_TYPE_HSTR:
887 case QETH_LINK_TYPE_LANE_TR:
888 return sizeof(struct qeth_hdr) + TR_HLEN;
890 #ifdef CONFIG_QETH_VLAN
891 return sizeof(struct qeth_hdr) + VLAN_ETH_HLEN;
893 return sizeof(struct qeth_hdr) + ETH_HLEN;
896 #else /* CONFIG_QETH_IPV6 */
897 #ifdef CONFIG_QETH_VLAN
898 return sizeof(struct qeth_hdr) + VLAN_HLEN;
900 return sizeof(struct qeth_hdr);
902 #endif /* CONFIG_QETH_IPV6 */
905 inline static unsigned short
906 qeth_get_netdev_flags(struct qeth_card *card)
908 if (card->options.layer2)
910 switch (card->info.type) {
911 case QETH_CARD_TYPE_IQD:
913 #ifdef CONFIG_QETH_IPV6
924 qeth_get_initial_mtu_for_card(struct qeth_card * card)
926 switch (card->info.type) {
927 case QETH_CARD_TYPE_UNKNOWN:
929 case QETH_CARD_TYPE_IQD:
930 return card->info.max_mtu;
931 case QETH_CARD_TYPE_OSAE:
932 switch (card->info.link_type) {
933 case QETH_LINK_TYPE_HSTR:
934 case QETH_LINK_TYPE_LANE_TR:
945 qeth_get_max_mtu_for_card(int cardtype)
948 case QETH_CARD_TYPE_UNKNOWN:
950 case QETH_CARD_TYPE_OSAE:
952 case QETH_CARD_TYPE_IQD:
960 qeth_get_mtu_out_of_mpc(int cardtype)
963 case QETH_CARD_TYPE_IQD:
971 qeth_get_mtu_outof_framesize(int framesize)
988 qeth_mtu_is_valid(struct qeth_card * card, int mtu)
990 switch (card->info.type) {
991 case QETH_CARD_TYPE_OSAE:
992 return ((mtu >= 576) && (mtu <= 61440));
993 case QETH_CARD_TYPE_IQD:
994 return ((mtu >= 576) &&
995 (mtu <= card->info.max_mtu + 4096 - 32));
996 case QETH_CARD_TYPE_UNKNOWN:
1003 qeth_get_arphdr_type(int cardtype, int linktype)
1006 case QETH_CARD_TYPE_OSAE:
1008 case QETH_LINK_TYPE_LANE_TR:
1009 case QETH_LINK_TYPE_HSTR:
1010 return ARPHRD_IEEE802_TR;
1012 return ARPHRD_ETHER;
1014 case QETH_CARD_TYPE_IQD:
1016 return ARPHRD_ETHER;
1020 #ifdef CONFIG_QETH_PERF_STATS
1022 qeth_get_micros(void)
1024 return (int) (get_clock() >> 12);
1029 qeth_get_qdio_q_format(struct qeth_card *card)
1031 switch (card->info.type) {
1032 case QETH_CARD_TYPE_IQD:
1040 qeth_ipaddr4_to_string(const __u8 *addr, char *buf)
1042 sprintf(buf, "%i.%i.%i.%i", addr[0], addr[1], addr[2], addr[3]);
1046 qeth_string_to_ipaddr4(const char *buf, __u8 *addr)
1048 const char *start, *end;
1055 for (i = 0; i < 3; i++) {
1056 if (!(end = strchr(start, '.')))
1060 strncpy(abuf, start, len);
1061 addr[i] = simple_strtoul(abuf, &tmp, 10);
1065 strcpy(abuf, start);
1066 addr[3] = simple_strtoul(abuf, &tmp, 10);
1071 qeth_ipaddr6_to_string(const __u8 *addr, char *buf)
1073 sprintf(buf, "%02x%02x:%02x%02x:%02x%02x:%02x%02x"
1074 ":%02x%02x:%02x%02x:%02x%02x:%02x%02x",
1075 addr[0], addr[1], addr[2], addr[3],
1076 addr[4], addr[5], addr[6], addr[7],
1077 addr[8], addr[9], addr[10], addr[11],
1078 addr[12], addr[13], addr[14], addr[15]);
1082 qeth_string_to_ipaddr6(const char *buf, __u8 *addr)
1084 const char *start, *end;
1091 tmp_addr = (u16 *)addr;
1093 for (i = 0; i < 7; i++) {
1094 if (!(end = strchr(start, ':')))
1098 strncpy(abuf, start, len);
1099 tmp_addr[i] = simple_strtoul(abuf, &tmp, 16);
1103 strcpy(abuf, start);
1104 tmp_addr[7] = simple_strtoul(abuf, &tmp, 16);
1109 qeth_ipaddr_to_string(enum qeth_prot_versions proto, const __u8 *addr,
1112 if (proto == QETH_PROT_IPV4)
1113 return qeth_ipaddr4_to_string(addr, buf);
1114 else if (proto == QETH_PROT_IPV6)
1115 return qeth_ipaddr6_to_string(addr, buf);
1119 qeth_string_to_ipaddr(const char *buf, enum qeth_prot_versions proto,
1122 if (proto == QETH_PROT_IPV4)
1123 return qeth_string_to_ipaddr4(buf, addr);
1124 else if (proto == QETH_PROT_IPV6)
1125 return qeth_string_to_ipaddr6(buf, addr);
1131 qeth_setrouting_v4(struct qeth_card *);
1133 qeth_setrouting_v6(struct qeth_card *);
1136 qeth_add_ipato_entry(struct qeth_card *, struct qeth_ipato_entry *);
1139 qeth_del_ipato_entry(struct qeth_card *, enum qeth_prot_versions, u8 *, int);
1142 qeth_add_vipa(struct qeth_card *, enum qeth_prot_versions, const u8 *);
1145 qeth_del_vipa(struct qeth_card *, enum qeth_prot_versions, const u8 *);
1148 qeth_add_rxip(struct qeth_card *, enum qeth_prot_versions, const u8 *);
1151 qeth_del_rxip(struct qeth_card *, enum qeth_prot_versions, const u8 *);
1154 qeth_notifier_register(struct task_struct *, int );
1157 qeth_notifier_unregister(struct task_struct * );
1160 qeth_schedule_recovery(struct qeth_card *);
1163 qeth_realloc_buffer_pool(struct qeth_card *, int);
1166 qeth_set_large_send(struct qeth_card *);
1169 qeth_fill_header(struct qeth_card *, struct qeth_hdr *,
1170 struct sk_buff *, int, int);
1172 qeth_flush_buffers(struct qeth_qdio_out_q *, int, int, int);
1174 #endif /* __QETH_H__ */