1/* 2 * Copyright IBM Corp. 2007 3 * Author(s): Utz Bacher <utz.bacher@de.ibm.com>, 4 * Frank Pavlic <fpavlic@de.ibm.com>, 5 * Thomas Spatzier <tspat@de.ibm.com>, 6 * Frank Blaschka <frank.blaschka@de.ibm.com> 7 */ 8 9#ifndef __QETH_CORE_H__ 10#define __QETH_CORE_H__ 11 12#include <linux/if.h> 13#include <linux/if_arp.h> 14#include <linux/etherdevice.h> 15#include <linux/if_vlan.h> 16#include <linux/ctype.h> 17#include <linux/in6.h> 18#include <linux/bitops.h> 19#include <linux/seq_file.h> 20#include <linux/ethtool.h> 21 22#include <net/ipv6.h> 23#include <net/if_inet6.h> 24#include <net/addrconf.h> 25 26#include <asm/debug.h> 27#include <asm/qdio.h> 28#include <asm/ccwdev.h> 29#include <asm/ccwgroup.h> 30#include <asm/sysinfo.h> 31 32#include "qeth_core_mpc.h" 33 34/** 35 * Debug Facility stuff 36 */ 37enum qeth_dbf_names { 38 QETH_DBF_SETUP, 39 QETH_DBF_MSG, 40 QETH_DBF_CTRL, 41 QETH_DBF_INFOS /* must be last element */ 42}; 43 44struct qeth_dbf_info { 45 char name[DEBUG_MAX_NAME_LEN]; 46 int pages; 47 int areas; 48 int len; 49 int level; 50 struct debug_view *view; 51 debug_info_t *id; 52}; 53 54#define QETH_DBF_CTRL_LEN 256 55 56#define QETH_DBF_TEXT(name, level, text) \ 57 debug_text_event(qeth_dbf[QETH_DBF_##name].id, level, text) 58 59#define QETH_DBF_HEX(name, level, addr, len) \ 60 debug_event(qeth_dbf[QETH_DBF_##name].id, level, (void *)(addr), len) 61 62#define QETH_DBF_MESSAGE(level, text...) \ 63 debug_sprintf_event(qeth_dbf[QETH_DBF_MSG].id, level, text) 64 65#define QETH_DBF_TEXT_(name, level, text...) \ 66 qeth_dbf_longtext(qeth_dbf[QETH_DBF_##name].id, level, text) 67 68#define QETH_CARD_TEXT(card, level, text) \ 69 debug_text_event(card->debug, level, text) 70 71#define QETH_CARD_HEX(card, level, addr, len) \ 72 debug_event(card->debug, level, (void *)(addr), len) 73 74#define QETH_CARD_MESSAGE(card, text...) \ 75 debug_sprintf_event(card->debug, level, text) 76 77#define QETH_CARD_TEXT_(card, level, text...) \ 78 qeth_dbf_longtext(card->debug, level, text) 79 80#define SENSE_COMMAND_REJECT_BYTE 0 81#define SENSE_COMMAND_REJECT_FLAG 0x80 82#define SENSE_RESETTING_EVENT_BYTE 1 83#define SENSE_RESETTING_EVENT_FLAG 0x80 84 85/* 86 * Common IO related definitions 87 */ 88#define CARD_RDEV(card) card->read.ccwdev 89#define CARD_WDEV(card) card->write.ccwdev 90#define CARD_DDEV(card) card->data.ccwdev 91#define CARD_BUS_ID(card) dev_name(&card->gdev->dev) 92#define CARD_RDEV_ID(card) dev_name(&card->read.ccwdev->dev) 93#define CARD_WDEV_ID(card) dev_name(&card->write.ccwdev->dev) 94#define CARD_DDEV_ID(card) dev_name(&card->data.ccwdev->dev) 95#define CHANNEL_ID(channel) dev_name(&channel->ccwdev->dev) 96 97/** 98 * card stuff 99 */ 100struct qeth_perf_stats { 101 unsigned int bufs_rec; 102 unsigned int bufs_sent; 103 104 unsigned int skbs_sent_pack; 105 unsigned int bufs_sent_pack; 106 107 unsigned int sc_dp_p; 108 unsigned int sc_p_dp; 109 /* qdio_cq_handler: number of times called, time spent in */ 110 __u64 cq_start_time; 111 unsigned int cq_cnt; 112 unsigned int cq_time; 113 /* qdio_input_handler: number of times called, time spent in */ 114 __u64 inbound_start_time; 115 unsigned int inbound_cnt; 116 unsigned int inbound_time; 117 /* qeth_send_packet: number of times called, time spent in */ 118 __u64 outbound_start_time; 119 unsigned int outbound_cnt; 120 unsigned int outbound_time; 121 /* qdio_output_handler: number of times called, time spent in */ 122 __u64 outbound_handler_start_time; 123 unsigned int outbound_handler_cnt; 124 unsigned int outbound_handler_time; 125 /* number of calls to and time spent in do_QDIO for inbound queue */ 126 __u64 inbound_do_qdio_start_time; 127 unsigned int inbound_do_qdio_cnt; 128 unsigned int inbound_do_qdio_time; 129 /* number of calls to and time spent in do_QDIO for outbound queues */ 130 __u64 outbound_do_qdio_start_time; 131 unsigned int outbound_do_qdio_cnt; 132 unsigned int outbound_do_qdio_time; 133 unsigned int large_send_bytes; 134 unsigned int large_send_cnt; 135 unsigned int sg_skbs_sent; 136 unsigned int sg_frags_sent; 137 /* initial values when measuring starts */ 138 unsigned long initial_rx_packets; 139 unsigned long initial_tx_packets; 140 /* inbound scatter gather data */ 141 unsigned int sg_skbs_rx; 142 unsigned int sg_frags_rx; 143 unsigned int sg_alloc_page_rx; 144 unsigned int tx_csum; 145 unsigned int tx_lin; 146}; 147 148/* Routing stuff */ 149struct qeth_routing_info { 150 enum qeth_routing_types type; 151}; 152 153/* IPA stuff */ 154struct qeth_ipa_info { 155 __u32 supported_funcs; 156 __u32 enabled_funcs; 157}; 158 159/* SETBRIDGEPORT stuff */ 160enum qeth_sbp_roles { 161 QETH_SBP_ROLE_NONE = 0, 162 QETH_SBP_ROLE_PRIMARY = 1, 163 QETH_SBP_ROLE_SECONDARY = 2, 164}; 165 166enum qeth_sbp_states { 167 QETH_SBP_STATE_INACTIVE = 0, 168 QETH_SBP_STATE_STANDBY = 1, 169 QETH_SBP_STATE_ACTIVE = 2, 170}; 171 172#define QETH_SBP_HOST_NOTIFICATION 1 173 174struct qeth_sbp_info { 175 __u32 supported_funcs; 176 enum qeth_sbp_roles role; 177 __u32 hostnotification:1; 178}; 179 180static inline int qeth_is_ipa_supported(struct qeth_ipa_info *ipa, 181 enum qeth_ipa_funcs func) 182{ 183 return (ipa->supported_funcs & func); 184} 185 186static inline int qeth_is_ipa_enabled(struct qeth_ipa_info *ipa, 187 enum qeth_ipa_funcs func) 188{ 189 return (ipa->supported_funcs & ipa->enabled_funcs & func); 190} 191 192#define qeth_adp_supported(c, f) \ 193 qeth_is_ipa_supported(&c->options.adp, f) 194#define qeth_adp_enabled(c, f) \ 195 qeth_is_ipa_enabled(&c->options.adp, f) 196#define qeth_is_supported(c, f) \ 197 qeth_is_ipa_supported(&c->options.ipa4, f) 198#define qeth_is_enabled(c, f) \ 199 qeth_is_ipa_enabled(&c->options.ipa4, f) 200#define qeth_is_supported6(c, f) \ 201 qeth_is_ipa_supported(&c->options.ipa6, f) 202#define qeth_is_enabled6(c, f) \ 203 qeth_is_ipa_enabled(&c->options.ipa6, f) 204#define qeth_is_ipafunc_supported(c, prot, f) \ 205 ((prot == QETH_PROT_IPV6) ? \ 206 qeth_is_supported6(c, f) : qeth_is_supported(c, f)) 207#define qeth_is_ipafunc_enabled(c, prot, f) \ 208 ((prot == QETH_PROT_IPV6) ? \ 209 qeth_is_enabled6(c, f) : qeth_is_enabled(c, f)) 210 211#define QETH_IDX_FUNC_LEVEL_OSD 0x0101 212#define QETH_IDX_FUNC_LEVEL_IQD 0x4108 213 214#define QETH_MODELLIST_ARRAY \ 215 {{0x1731, 0x01, 0x1732, QETH_CARD_TYPE_OSD, QETH_MAX_QUEUES, 0}, \ 216 {0x1731, 0x05, 0x1732, QETH_CARD_TYPE_IQD, QETH_MAX_QUEUES, 0x103}, \ 217 {0x1731, 0x06, 0x1732, QETH_CARD_TYPE_OSN, QETH_MAX_QUEUES, 0}, \ 218 {0x1731, 0x02, 0x1732, QETH_CARD_TYPE_OSM, QETH_MAX_QUEUES, 0}, \ 219 {0x1731, 0x02, 0x1732, QETH_CARD_TYPE_OSX, QETH_MAX_QUEUES, 0}, \ 220 {0, 0, 0, 0, 0, 0} } 221#define QETH_CU_TYPE_IND 0 222#define QETH_CU_MODEL_IND 1 223#define QETH_DEV_TYPE_IND 2 224#define QETH_DEV_MODEL_IND 3 225#define QETH_QUEUE_NO_IND 4 226#define QETH_MULTICAST_IND 5 227 228#define QETH_REAL_CARD 1 229#define QETH_VLAN_CARD 2 230#define QETH_BUFSIZE 4096 231 232/** 233 * some more defs 234 */ 235#define QETH_TX_TIMEOUT 100 * HZ 236#define QETH_RCD_TIMEOUT 60 * HZ 237#define QETH_RECLAIM_WORK_TIME HZ 238#define QETH_HEADER_SIZE 32 239#define QETH_MAX_PORTNO 15 240 241/*IPv6 address autoconfiguration stuff*/ 242#define UNIQUE_ID_IF_CREATE_ADDR_FAILED 0xfffe 243#define UNIQUE_ID_NOT_BY_CARD 0x10000 244 245/*****************************************************************************/ 246/* QDIO queue and buffer handling */ 247/*****************************************************************************/ 248#define QETH_MAX_QUEUES 4 249#define QETH_IN_BUF_SIZE_DEFAULT 65536 250#define QETH_IN_BUF_COUNT_DEFAULT 64 251#define QETH_IN_BUF_COUNT_HSDEFAULT 128 252#define QETH_IN_BUF_COUNT_MIN 8 253#define QETH_IN_BUF_COUNT_MAX 128 254#define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12) 255#define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \ 256 ((card)->qdio.in_buf_pool.buf_count / 2) 257 258/* buffers we have to be behind before we get a PCI */ 259#define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1) 260/*enqueued free buffers left before we get a PCI*/ 261#define QETH_PCI_THRESHOLD_B(card) 0 262/*not used unless the microcode gets patched*/ 263#define QETH_PCI_TIMER_VALUE(card) 3 264 265/* priority queing */ 266#define QETH_PRIOQ_DEFAULT QETH_NO_PRIO_QUEUEING 267#define QETH_DEFAULT_QUEUE 2 268#define QETH_NO_PRIO_QUEUEING 0 269#define QETH_PRIO_Q_ING_PREC 1 270#define QETH_PRIO_Q_ING_TOS 2 271#define QETH_PRIO_Q_ING_SKB 3 272#define QETH_PRIO_Q_ING_VLAN 4 273 274/* Packing */ 275#define QETH_LOW_WATERMARK_PACK 2 276#define QETH_HIGH_WATERMARK_PACK 5 277#define QETH_WATERMARK_PACK_FUZZ 1 278 279#define QETH_IP_HEADER_SIZE 40 280 281/* large receive scatter gather copy break */ 282#define QETH_RX_SG_CB (PAGE_SIZE >> 1) 283#define QETH_RX_PULL_LEN 256 284 285struct qeth_hdr_layer3 { 286 __u8 id; 287 __u8 flags; 288 __u16 inbound_checksum; /*TSO:__u16 seqno */ 289 __u32 token; /*TSO: __u32 reserved */ 290 __u16 length; 291 __u8 vlan_prio; 292 __u8 ext_flags; 293 __u16 vlan_id; 294 __u16 frame_offset; 295 __u8 dest_addr[16]; 296} __attribute__ ((packed)); 297 298struct qeth_hdr_layer2 { 299 __u8 id; 300 __u8 flags[3]; 301 __u8 port_no; 302 __u8 hdr_length; 303 __u16 pkt_length; 304 __u16 seq_no; 305 __u16 vlan_id; 306 __u32 reserved; 307 __u8 reserved2[16]; 308} __attribute__ ((packed)); 309 310struct qeth_hdr_osn { 311 __u8 id; 312 __u8 reserved; 313 __u16 seq_no; 314 __u16 reserved2; 315 __u16 control_flags; 316 __u16 pdu_length; 317 __u8 reserved3[18]; 318 __u32 ccid; 319} __attribute__ ((packed)); 320 321struct qeth_hdr { 322 union { 323 struct qeth_hdr_layer2 l2; 324 struct qeth_hdr_layer3 l3; 325 struct qeth_hdr_osn osn; 326 } hdr; 327} __attribute__ ((packed)); 328 329/*TCP Segmentation Offload header*/ 330struct qeth_hdr_ext_tso { 331 __u16 hdr_tot_len; 332 __u8 imb_hdr_no; 333 __u8 reserved; 334 __u8 hdr_type; 335 __u8 hdr_version; 336 __u16 hdr_len; 337 __u32 payload_len; 338 __u16 mss; 339 __u16 dg_hdr_len; 340 __u8 padding[16]; 341} __attribute__ ((packed)); 342 343struct qeth_hdr_tso { 344 struct qeth_hdr hdr; /*hdr->hdr.l3.xxx*/ 345 struct qeth_hdr_ext_tso ext; 346} __attribute__ ((packed)); 347 348 349/* flags for qeth_hdr.flags */ 350#define QETH_HDR_PASSTHRU 0x10 351#define QETH_HDR_IPV6 0x80 352#define QETH_HDR_CAST_MASK 0x07 353enum qeth_cast_flags { 354 QETH_CAST_UNICAST = 0x06, 355 QETH_CAST_MULTICAST = 0x04, 356 QETH_CAST_BROADCAST = 0x05, 357 QETH_CAST_ANYCAST = 0x07, 358 QETH_CAST_NOCAST = 0x00, 359}; 360 361enum qeth_layer2_frame_flags { 362 QETH_LAYER2_FLAG_MULTICAST = 0x01, 363 QETH_LAYER2_FLAG_BROADCAST = 0x02, 364 QETH_LAYER2_FLAG_UNICAST = 0x04, 365 QETH_LAYER2_FLAG_VLAN = 0x10, 366}; 367 368enum qeth_header_ids { 369 QETH_HEADER_TYPE_LAYER3 = 0x01, 370 QETH_HEADER_TYPE_LAYER2 = 0x02, 371 QETH_HEADER_TYPE_TSO = 0x03, 372 QETH_HEADER_TYPE_OSN = 0x04, 373}; 374/* flags for qeth_hdr.ext_flags */ 375#define QETH_HDR_EXT_VLAN_FRAME 0x01 376#define QETH_HDR_EXT_TOKEN_ID 0x02 377#define QETH_HDR_EXT_INCLUDE_VLAN_TAG 0x04 378#define QETH_HDR_EXT_SRC_MAC_ADDR 0x08 379#define QETH_HDR_EXT_CSUM_HDR_REQ 0x10 380#define QETH_HDR_EXT_CSUM_TRANSP_REQ 0x20 381#define QETH_HDR_EXT_UDP 0x40 /*bit off for TCP*/ 382 383enum qeth_qdio_buffer_states { 384 /* 385 * inbound: read out by driver; owned by hardware in order to be filled 386 * outbound: owned by driver in order to be filled 387 */ 388 QETH_QDIO_BUF_EMPTY, 389 /* 390 * inbound: filled by hardware; owned by driver in order to be read out 391 * outbound: filled by driver; owned by hardware in order to be sent 392 */ 393 QETH_QDIO_BUF_PRIMED, 394 /* 395 * inbound: not applicable 396 * outbound: identified to be pending in TPQ 397 */ 398 QETH_QDIO_BUF_PENDING, 399 /* 400 * inbound: not applicable 401 * outbound: found in completion queue 402 */ 403 QETH_QDIO_BUF_IN_CQ, 404 /* 405 * inbound: not applicable 406 * outbound: handled via transfer pending / completion queue 407 */ 408 QETH_QDIO_BUF_HANDLED_DELAYED, 409}; 410 411enum qeth_qdio_info_states { 412 QETH_QDIO_UNINITIALIZED, 413 QETH_QDIO_ALLOCATED, 414 QETH_QDIO_ESTABLISHED, 415 QETH_QDIO_CLEANING 416}; 417 418struct qeth_buffer_pool_entry { 419 struct list_head list; 420 struct list_head init_list; 421 void *elements[QDIO_MAX_ELEMENTS_PER_BUFFER]; 422}; 423 424struct qeth_qdio_buffer_pool { 425 struct list_head entry_list; 426 int buf_count; 427}; 428 429struct qeth_qdio_buffer { 430 struct qdio_buffer *buffer; 431 /* the buffer pool entry currently associated to this buffer */ 432 struct qeth_buffer_pool_entry *pool_entry; 433 struct sk_buff *rx_skb; 434}; 435 436struct qeth_qdio_q { 437 struct qdio_buffer *qdio_bufs[QDIO_MAX_BUFFERS_PER_Q]; 438 struct qeth_qdio_buffer bufs[QDIO_MAX_BUFFERS_PER_Q]; 439 int next_buf_to_init; 440}; 441 442struct qeth_qdio_out_buffer { 443 struct qdio_buffer *buffer; 444 atomic_t state; 445 int next_element_to_fill; 446 struct sk_buff_head skb_list; 447 int is_header[16]; 448 449 struct qaob *aob; 450 struct qeth_qdio_out_q *q; 451 struct qeth_qdio_out_buffer *next_pending; 452}; 453 454struct qeth_card; 455 456enum qeth_out_q_states { 457 QETH_OUT_Q_UNLOCKED, 458 QETH_OUT_Q_LOCKED, 459 QETH_OUT_Q_LOCKED_FLUSH, 460}; 461 462struct qeth_qdio_out_q { 463 struct qdio_buffer *qdio_bufs[QDIO_MAX_BUFFERS_PER_Q]; 464 struct qeth_qdio_out_buffer *bufs[QDIO_MAX_BUFFERS_PER_Q]; 465 struct qdio_outbuf_state *bufstates; /* convenience pointer */ 466 int queue_no; 467 struct qeth_card *card; 468 atomic_t state; 469 int do_pack; 470 /* 471 * index of buffer to be filled by driver; state EMPTY or PACKING 472 */ 473 int next_buf_to_fill; 474 /* 475 * number of buffers that are currently filled (PRIMED) 476 * -> these buffers are hardware-owned 477 */ 478 atomic_t used_buffers; 479 /* indicates whether PCI flag must be set (or if one is outstanding) */ 480 atomic_t set_pci_flags_count; 481}; 482 483struct qeth_qdio_info { 484 atomic_t state; 485 /* input */ 486 int no_in_queues; 487 struct qeth_qdio_q *in_q; 488 struct qeth_qdio_q *c_q; 489 struct qeth_qdio_buffer_pool in_buf_pool; 490 struct qeth_qdio_buffer_pool init_pool; 491 int in_buf_size; 492 493 /* output */ 494 int no_out_queues; 495 struct qeth_qdio_out_q **out_qs; 496 struct qdio_outbuf_state *out_bufstates; 497 498 /* priority queueing */ 499 int do_prio_queueing; 500 int default_out_queue; 501}; 502 503enum qeth_send_errors { 504 QETH_SEND_ERROR_NONE, 505 QETH_SEND_ERROR_LINK_FAILURE, 506 QETH_SEND_ERROR_RETRY, 507 QETH_SEND_ERROR_KICK_IT, 508}; 509 510#define QETH_ETH_MAC_V4 0x0100 /* like v4 */ 511#define QETH_ETH_MAC_V6 0x3333 /* like v6 */ 512/* tr mc mac is longer, but that will be enough to detect mc frames */ 513#define QETH_TR_MAC_NC 0xc000 /* non-canonical */ 514#define QETH_TR_MAC_C 0x0300 /* canonical */ 515 516#define DEFAULT_ADD_HHLEN 0 517#define MAX_ADD_HHLEN 1024 518 519/** 520 * buffer stuff for read channel 521 */ 522#define QETH_CMD_BUFFER_NO 8 523 524/** 525 * channel state machine 526 */ 527enum qeth_channel_states { 528 CH_STATE_UP, 529 CH_STATE_DOWN, 530 CH_STATE_ACTIVATING, 531 CH_STATE_HALTED, 532 CH_STATE_STOPPED, 533 CH_STATE_RCD, 534 CH_STATE_RCD_DONE, 535}; 536/** 537 * card state machine 538 */ 539enum qeth_card_states { 540 CARD_STATE_DOWN, 541 CARD_STATE_HARDSETUP, 542 CARD_STATE_SOFTSETUP, 543 CARD_STATE_UP, 544 CARD_STATE_RECOVER, 545}; 546 547/** 548 * Protocol versions 549 */ 550enum qeth_prot_versions { 551 QETH_PROT_IPV4 = 0x0004, 552 QETH_PROT_IPV6 = 0x0006, 553}; 554 555enum qeth_ip_types { 556 QETH_IP_TYPE_NORMAL, 557 QETH_IP_TYPE_VIPA, 558 QETH_IP_TYPE_RXIP, 559 QETH_IP_TYPE_DEL_ALL_MC, 560}; 561 562enum qeth_cmd_buffer_state { 563 BUF_STATE_FREE, 564 BUF_STATE_LOCKED, 565 BUF_STATE_PROCESSED, 566}; 567 568enum qeth_cq { 569 QETH_CQ_DISABLED = 0, 570 QETH_CQ_ENABLED = 1, 571 QETH_CQ_NOTAVAILABLE = 2, 572}; 573 574struct qeth_ipato { 575 int enabled; 576 int invert4; 577 int invert6; 578 struct list_head entries; 579}; 580 581struct qeth_channel; 582 583struct qeth_cmd_buffer { 584 enum qeth_cmd_buffer_state state; 585 struct qeth_channel *channel; 586 unsigned char *data; 587 int rc; 588 void (*callback) (struct qeth_channel *, struct qeth_cmd_buffer *); 589}; 590 591/** 592 * definition of a qeth channel, used for read and write 593 */ 594struct qeth_channel { 595 enum qeth_channel_states state; 596 struct ccw1 ccw; 597 spinlock_t iob_lock; 598 wait_queue_head_t wait_q; 599 struct ccw_device *ccwdev; 600/*command buffer for control data*/ 601 struct qeth_cmd_buffer iob[QETH_CMD_BUFFER_NO]; 602 atomic_t irq_pending; 603 int io_buf_no; 604 int buf_no; 605}; 606 607/** 608 * OSA card related definitions 609 */ 610struct qeth_token { 611 __u32 issuer_rm_w; 612 __u32 issuer_rm_r; 613 __u32 cm_filter_w; 614 __u32 cm_filter_r; 615 __u32 cm_connection_w; 616 __u32 cm_connection_r; 617 __u32 ulp_filter_w; 618 __u32 ulp_filter_r; 619 __u32 ulp_connection_w; 620 __u32 ulp_connection_r; 621}; 622 623struct qeth_seqno { 624 __u32 trans_hdr; 625 __u32 pdu_hdr; 626 __u32 pdu_hdr_ack; 627 __u16 ipa; 628 __u32 pkt_seqno; 629}; 630 631struct qeth_reply { 632 struct list_head list; 633 wait_queue_head_t wait_q; 634 int (*callback)(struct qeth_card *, struct qeth_reply *, 635 unsigned long); 636 u32 seqno; 637 unsigned long offset; 638 atomic_t received; 639 int rc; 640 void *param; 641 struct qeth_card *card; 642 atomic_t refcnt; 643}; 644 645 646struct qeth_card_blkt { 647 int time_total; 648 int inter_packet; 649 int inter_packet_jumbo; 650}; 651 652#define QETH_BROADCAST_WITH_ECHO 0x01 653#define QETH_BROADCAST_WITHOUT_ECHO 0x02 654#define QETH_LAYER2_MAC_READ 0x01 655#define QETH_LAYER2_MAC_REGISTERED 0x02 656struct qeth_card_info { 657 unsigned short unit_addr2; 658 unsigned short cula; 659 unsigned short chpid; 660 __u16 func_level; 661 char mcl_level[QETH_MCL_LENGTH + 1]; 662 int guestlan; 663 int mac_bits; 664 int portname_required; 665 int portno; 666 char portname[9]; 667 enum qeth_card_types type; 668 enum qeth_link_types link_type; 669 int is_multicast_different; 670 int initial_mtu; 671 int max_mtu; 672 int broadcast_capable; 673 int unique_id; 674 struct qeth_card_blkt blkt; 675 __u32 csum_mask; 676 __u32 tx_csum_mask; 677 enum qeth_ipa_promisc_modes promisc_mode; 678 __u32 diagass_support; 679 __u32 hwtrap; 680}; 681 682struct qeth_card_options { 683 struct qeth_routing_info route4; 684 struct qeth_ipa_info ipa4; 685 struct qeth_ipa_info adp; /*Adapter parameters*/ 686 struct qeth_routing_info route6; 687 struct qeth_ipa_info ipa6; 688 struct qeth_sbp_info sbp; /* SETBRIDGEPORT options */ 689 int fake_broadcast; 690 int add_hhlen; 691 int layer2; 692 int performance_stats; 693 int rx_sg_cb; 694 enum qeth_ipa_isolation_modes isolation; 695 enum qeth_ipa_isolation_modes prev_isolation; 696 int sniffer; 697 enum qeth_cq cq; 698 char hsuid[9]; 699}; 700 701/* 702 * thread bits for qeth_card thread masks 703 */ 704enum qeth_threads { 705 QETH_RECOVER_THREAD = 1, 706}; 707 708struct qeth_osn_info { 709 int (*assist_cb)(struct net_device *dev, void *data); 710 int (*data_cb)(struct sk_buff *skb); 711}; 712 713enum qeth_discipline_id { 714 QETH_DISCIPLINE_LAYER3 = 0, 715 QETH_DISCIPLINE_LAYER2 = 1, 716}; 717 718struct qeth_discipline { 719 void (*start_poll)(struct ccw_device *, int, unsigned long); 720 qdio_handler_t *input_handler; 721 qdio_handler_t *output_handler; 722 int (*recover)(void *ptr); 723 int (*setup) (struct ccwgroup_device *); 724 void (*remove) (struct ccwgroup_device *); 725 int (*set_online) (struct ccwgroup_device *); 726 int (*set_offline) (struct ccwgroup_device *); 727 void (*shutdown)(struct ccwgroup_device *); 728 int (*prepare) (struct ccwgroup_device *); 729 void (*complete) (struct ccwgroup_device *); 730 int (*freeze)(struct ccwgroup_device *); 731 int (*thaw) (struct ccwgroup_device *); 732 int (*restore)(struct ccwgroup_device *); 733 int (*control_event_handler)(struct qeth_card *card, 734 struct qeth_ipa_cmd *cmd); 735}; 736 737struct qeth_vlan_vid { 738 struct list_head list; 739 unsigned short vid; 740}; 741 742struct qeth_mc_mac { 743 struct list_head list; 744 __u8 mc_addr[MAX_ADDR_LEN]; 745 unsigned char mc_addrlen; 746 int is_vmac; 747}; 748 749struct qeth_rx { 750 int b_count; 751 int b_index; 752 struct qdio_buffer_element *b_element; 753 int e_offset; 754 int qdio_err; 755}; 756 757struct carrier_info { 758 __u8 card_type; 759 __u16 port_mode; 760 __u32 port_speed; 761}; 762 763struct qeth_switch_info { 764 __u32 capabilities; 765 __u32 settings; 766}; 767 768#define QETH_NAPI_WEIGHT NAPI_POLL_WEIGHT 769 770struct qeth_card { 771 struct list_head list; 772 enum qeth_card_states state; 773 int lan_online; 774 spinlock_t lock; 775 struct ccwgroup_device *gdev; 776 struct qeth_channel read; 777 struct qeth_channel write; 778 struct qeth_channel data; 779 780 struct net_device *dev; 781 struct net_device_stats stats; 782 783 struct qeth_card_info info; 784 struct qeth_token token; 785 struct qeth_seqno seqno; 786 struct qeth_card_options options; 787 788 wait_queue_head_t wait_q; 789 spinlock_t vlanlock; 790 spinlock_t mclock; 791 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; 792 struct list_head vid_list; 793 struct list_head mc_list; 794 struct work_struct kernel_thread_starter; 795 spinlock_t thread_mask_lock; 796 unsigned long thread_start_mask; 797 unsigned long thread_allowed_mask; 798 unsigned long thread_running_mask; 799 struct task_struct *recovery_task; 800 spinlock_t ip_lock; 801 struct list_head ip_list; 802 struct list_head *ip_tbd_list; 803 struct qeth_ipato ipato; 804 struct list_head cmd_waiter_list; 805 /* QDIO buffer handling */ 806 struct qeth_qdio_info qdio; 807 struct qeth_perf_stats perf_stats; 808 int read_or_write_problem; 809 struct qeth_osn_info osn_info; 810 struct qeth_discipline *discipline; 811 atomic_t force_alloc_skb; 812 struct service_level qeth_service_level; 813 struct qdio_ssqd_desc ssqd; 814 debug_info_t *debug; 815 struct mutex conf_mutex; 816 struct mutex discipline_mutex; 817 struct napi_struct napi; 818 struct qeth_rx rx; 819 struct delayed_work buffer_reclaim_work; 820 int reclaim_index; 821 struct work_struct close_dev_work; 822}; 823 824struct qeth_card_list_struct { 825 struct list_head list; 826 rwlock_t rwlock; 827}; 828 829struct qeth_trap_id { 830 __u16 lparnr; 831 char vmname[8]; 832 __u8 chpid; 833 __u8 ssid; 834 __u16 devno; 835} __packed; 836 837/*some helper functions*/ 838#define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "") 839 840static inline int qeth_get_micros(void) 841{ 842 return (int) (get_tod_clock() >> 12); 843} 844 845static inline int qeth_get_ip_version(struct sk_buff *skb) 846{ 847 __be16 *p = &((struct ethhdr *)skb->data)->h_proto; 848 849 if (*p == ETH_P_8021Q) 850 p += 2; 851 switch (*p) { 852 case ETH_P_IPV6: 853 return 6; 854 case ETH_P_IP: 855 return 4; 856 default: 857 return 0; 858 } 859} 860 861static inline void qeth_put_buffer_pool_entry(struct qeth_card *card, 862 struct qeth_buffer_pool_entry *entry) 863{ 864 list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list); 865} 866 867static inline int qeth_is_diagass_supported(struct qeth_card *card, 868 enum qeth_diags_cmds cmd) 869{ 870 return card->info.diagass_support & (__u32)cmd; 871} 872 873extern struct qeth_discipline qeth_l2_discipline; 874extern struct qeth_discipline qeth_l3_discipline; 875extern const struct attribute_group *qeth_generic_attr_groups[]; 876extern const struct attribute_group *qeth_osn_attr_groups[]; 877extern struct workqueue_struct *qeth_wq; 878 879int qeth_card_hw_is_reachable(struct qeth_card *); 880const char *qeth_get_cardname_short(struct qeth_card *); 881int qeth_realloc_buffer_pool(struct qeth_card *, int); 882int qeth_core_load_discipline(struct qeth_card *, enum qeth_discipline_id); 883void qeth_core_free_discipline(struct qeth_card *); 884 885/* exports for qeth discipline device drivers */ 886extern struct qeth_card_list_struct qeth_core_card_list; 887extern struct kmem_cache *qeth_core_header_cache; 888extern struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS]; 889 890void qeth_set_recovery_task(struct qeth_card *); 891void qeth_clear_recovery_task(struct qeth_card *); 892void qeth_set_allowed_threads(struct qeth_card *, unsigned long , int); 893int qeth_threads_running(struct qeth_card *, unsigned long); 894int qeth_wait_for_threads(struct qeth_card *, unsigned long); 895int qeth_do_run_thread(struct qeth_card *, unsigned long); 896void qeth_clear_thread_start_bit(struct qeth_card *, unsigned long); 897void qeth_clear_thread_running_bit(struct qeth_card *, unsigned long); 898int qeth_core_hardsetup_card(struct qeth_card *); 899void qeth_print_status_message(struct qeth_card *); 900int qeth_init_qdio_queues(struct qeth_card *); 901int qeth_send_startlan(struct qeth_card *); 902int qeth_send_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, 903 int (*reply_cb) 904 (struct qeth_card *, struct qeth_reply *, unsigned long), 905 void *); 906struct qeth_cmd_buffer *qeth_get_ipacmd_buffer(struct qeth_card *, 907 enum qeth_ipa_cmds, enum qeth_prot_versions); 908int qeth_query_setadapterparms(struct qeth_card *); 909int qeth_check_qdio_errors(struct qeth_card *, struct qdio_buffer *, 910 unsigned int, const char *); 911void qeth_queue_input_buffer(struct qeth_card *, int); 912struct sk_buff *qeth_core_get_next_skb(struct qeth_card *, 913 struct qeth_qdio_buffer *, struct qdio_buffer_element **, int *, 914 struct qeth_hdr **); 915void qeth_schedule_recovery(struct qeth_card *); 916void qeth_qdio_start_poll(struct ccw_device *, int, unsigned long); 917void qeth_qdio_input_handler(struct ccw_device *, 918 unsigned int, unsigned int, int, 919 int, unsigned long); 920void qeth_qdio_output_handler(struct ccw_device *, unsigned int, 921 int, int, int, unsigned long); 922void qeth_clear_ipacmd_list(struct qeth_card *); 923int qeth_qdio_clear_card(struct qeth_card *, int); 924void qeth_clear_working_pool_list(struct qeth_card *); 925void qeth_clear_cmd_buffers(struct qeth_channel *); 926void qeth_clear_qdio_buffers(struct qeth_card *); 927void qeth_setadp_promisc_mode(struct qeth_card *); 928struct net_device_stats *qeth_get_stats(struct net_device *); 929int qeth_change_mtu(struct net_device *, int); 930int qeth_setadpparms_change_macaddr(struct qeth_card *); 931void qeth_tx_timeout(struct net_device *); 932void qeth_prepare_control_data(struct qeth_card *, int, 933 struct qeth_cmd_buffer *); 934void qeth_release_buffer(struct qeth_channel *, struct qeth_cmd_buffer *); 935void qeth_prepare_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, char); 936struct qeth_cmd_buffer *qeth_wait_for_buffer(struct qeth_channel *); 937int qeth_mdio_read(struct net_device *, int, int); 938int qeth_snmp_command(struct qeth_card *, char __user *); 939int qeth_query_oat_command(struct qeth_card *, char __user *); 940int qeth_query_switch_attributes(struct qeth_card *card, 941 struct qeth_switch_info *sw_info); 942int qeth_send_control_data(struct qeth_card *, int, struct qeth_cmd_buffer *, 943 int (*reply_cb)(struct qeth_card *, struct qeth_reply*, unsigned long), 944 void *reply_param); 945int qeth_bridgeport_query_ports(struct qeth_card *card, 946 enum qeth_sbp_roles *role, enum qeth_sbp_states *state); 947int qeth_bridgeport_setrole(struct qeth_card *card, enum qeth_sbp_roles role); 948int qeth_bridgeport_an_set(struct qeth_card *card, int enable); 949int qeth_get_priority_queue(struct qeth_card *, struct sk_buff *, int, int); 950int qeth_get_elements_no(struct qeth_card *, struct sk_buff *, int); 951int qeth_get_elements_for_frags(struct sk_buff *); 952int qeth_do_send_packet_fast(struct qeth_card *, struct qeth_qdio_out_q *, 953 struct sk_buff *, struct qeth_hdr *, int, int, int); 954int qeth_do_send_packet(struct qeth_card *, struct qeth_qdio_out_q *, 955 struct sk_buff *, struct qeth_hdr *, int); 956int qeth_core_get_sset_count(struct net_device *, int); 957void qeth_core_get_ethtool_stats(struct net_device *, 958 struct ethtool_stats *, u64 *); 959void qeth_core_get_strings(struct net_device *, u32, u8 *); 960void qeth_core_get_drvinfo(struct net_device *, struct ethtool_drvinfo *); 961void qeth_dbf_longtext(debug_info_t *id, int level, char *text, ...); 962int qeth_core_ethtool_get_settings(struct net_device *, struct ethtool_cmd *); 963int qeth_set_access_ctrl_online(struct qeth_card *card, int fallback); 964int qeth_hdr_chk_and_bounce(struct sk_buff *, struct qeth_hdr **, int); 965int qeth_configure_cq(struct qeth_card *, enum qeth_cq); 966int qeth_hw_trap(struct qeth_card *, enum qeth_diags_trap_action); 967int qeth_query_ipassists(struct qeth_card *, enum qeth_prot_versions prot); 968void qeth_trace_features(struct qeth_card *); 969void qeth_close_dev(struct qeth_card *); 970 971/* exports for OSN */ 972int qeth_osn_assist(struct net_device *, void *, int); 973int qeth_osn_register(unsigned char *read_dev_no, struct net_device **, 974 int (*assist_cb)(struct net_device *, void *), 975 int (*data_cb)(struct sk_buff *)); 976void qeth_osn_deregister(struct net_device *); 977 978#endif /* __QETH_CORE_H__ */ 979