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 */ 37 enum 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 44 struct 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 */ 100 struct 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 */ 149 struct qeth_routing_info { 150 enum qeth_routing_types type; 151 }; 152 153 /* IPA stuff */ 154 struct qeth_ipa_info { 155 __u32 supported_funcs; 156 __u32 enabled_funcs; 157 }; 158 159 /* SETBRIDGEPORT stuff */ 160 enum qeth_sbp_roles { 161 QETH_SBP_ROLE_NONE = 0, 162 QETH_SBP_ROLE_PRIMARY = 1, 163 QETH_SBP_ROLE_SECONDARY = 2, 164 }; 165 166 enum 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 1 173 174 struct qeth_sbp_info { 175 __u32 supported_funcs; 176 enum qeth_sbp_roles role; 177 __u32 hostnotification:1; 178 }; 179 180 static 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 } 185 186 static 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 256 284 285 struct 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)); 297 298 struct 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)); 309 310 struct 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)); 320 321 struct 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*/ 330 struct 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)); 342 343 struct 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 353 enum 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 }; 360 361 enum 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 }; 367 368 enum 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*/ 382 383 enum 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 }; 410 411 enum qeth_qdio_info_states { 412 QETH_QDIO_UNINITIALIZED, 413 QETH_QDIO_ALLOCATED, 414 QETH_QDIO_ESTABLISHED, 415 QETH_QDIO_CLEANING 416 }; 417 418 struct qeth_buffer_pool_entry { 419 struct list_head list; 420 struct list_head init_list; 421 void *elements[QDIO_MAX_ELEMENTS_PER_BUFFER]; 422 }; 423 424 struct qeth_qdio_buffer_pool { 425 struct list_head entry_list; 426 int buf_count; 427 }; 428 429 struct 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 }; 435 436 struct 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 }; 441 442 struct 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 }; 453 454 struct qeth_card; 455 456 enum qeth_out_q_states { 457 QETH_OUT_Q_UNLOCKED, 458 QETH_OUT_Q_LOCKED, 459 QETH_OUT_Q_LOCKED_FLUSH, 460 }; 461 462 struct 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 }; 482 483 struct 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 }; 502 503 enum 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 */ 527 enum 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 */ 539 enum 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 */ 550 enum qeth_prot_versions { 551 QETH_PROT_IPV4 = 0x0004, 552 QETH_PROT_IPV6 = 0x0006, 553 }; 554 555 enum 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 }; 561 562 enum qeth_cmd_buffer_state { 563 BUF_STATE_FREE, 564 BUF_STATE_LOCKED, 565 BUF_STATE_PROCESSED, 566 }; 567 568 enum qeth_cq { 569 QETH_CQ_DISABLED = 0, 570 QETH_CQ_ENABLED = 1, 571 QETH_CQ_NOTAVAILABLE = 2, 572 }; 573 574 struct qeth_ipato { 575 int enabled; 576 int invert4; 577 int invert6; 578 struct list_head entries; 579 }; 580 581 struct qeth_channel; 582 583 struct 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 */ 594 struct 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 tasklet_struct irq_tasklet; 600 struct ccw_device *ccwdev; 601 /*command buffer for control data*/ 602 struct qeth_cmd_buffer iob[QETH_CMD_BUFFER_NO]; 603 atomic_t irq_pending; 604 int io_buf_no; 605 int buf_no; 606 }; 607 608 /** 609 * OSA card related definitions 610 */ 611 struct qeth_token { 612 __u32 issuer_rm_w; 613 __u32 issuer_rm_r; 614 __u32 cm_filter_w; 615 __u32 cm_filter_r; 616 __u32 cm_connection_w; 617 __u32 cm_connection_r; 618 __u32 ulp_filter_w; 619 __u32 ulp_filter_r; 620 __u32 ulp_connection_w; 621 __u32 ulp_connection_r; 622 }; 623 624 struct qeth_seqno { 625 __u32 trans_hdr; 626 __u32 pdu_hdr; 627 __u32 pdu_hdr_ack; 628 __u16 ipa; 629 __u32 pkt_seqno; 630 }; 631 632 struct qeth_reply { 633 struct list_head list; 634 wait_queue_head_t wait_q; 635 int (*callback)(struct qeth_card *, struct qeth_reply *, 636 unsigned long); 637 u32 seqno; 638 unsigned long offset; 639 atomic_t received; 640 int rc; 641 void *param; 642 struct qeth_card *card; 643 atomic_t refcnt; 644 }; 645 646 647 struct qeth_card_blkt { 648 int time_total; 649 int inter_packet; 650 int inter_packet_jumbo; 651 }; 652 653 #define QETH_BROADCAST_WITH_ECHO 0x01 654 #define QETH_BROADCAST_WITHOUT_ECHO 0x02 655 #define QETH_LAYER2_MAC_READ 0x01 656 #define QETH_LAYER2_MAC_REGISTERED 0x02 657 struct qeth_card_info { 658 unsigned short unit_addr2; 659 unsigned short cula; 660 unsigned short chpid; 661 __u16 func_level; 662 char mcl_level[QETH_MCL_LENGTH + 1]; 663 int guestlan; 664 int mac_bits; 665 int portname_required; 666 int portno; 667 char portname[9]; 668 enum qeth_card_types type; 669 enum qeth_link_types link_type; 670 int is_multicast_different; 671 int initial_mtu; 672 int max_mtu; 673 int broadcast_capable; 674 int unique_id; 675 struct qeth_card_blkt blkt; 676 __u32 csum_mask; 677 __u32 tx_csum_mask; 678 enum qeth_ipa_promisc_modes promisc_mode; 679 __u32 diagass_support; 680 __u32 hwtrap; 681 }; 682 683 struct qeth_card_options { 684 struct qeth_routing_info route4; 685 struct qeth_ipa_info ipa4; 686 struct qeth_ipa_info adp; /*Adapter parameters*/ 687 struct qeth_routing_info route6; 688 struct qeth_ipa_info ipa6; 689 struct qeth_sbp_info sbp; /* SETBRIDGEPORT options */ 690 int fake_broadcast; 691 int add_hhlen; 692 int layer2; 693 int performance_stats; 694 int rx_sg_cb; 695 enum qeth_ipa_isolation_modes isolation; 696 enum qeth_ipa_isolation_modes prev_isolation; 697 int sniffer; 698 enum qeth_cq cq; 699 char hsuid[9]; 700 }; 701 702 /* 703 * thread bits for qeth_card thread masks 704 */ 705 enum qeth_threads { 706 QETH_RECOVER_THREAD = 1, 707 }; 708 709 struct qeth_osn_info { 710 int (*assist_cb)(struct net_device *dev, void *data); 711 int (*data_cb)(struct sk_buff *skb); 712 }; 713 714 enum qeth_discipline_id { 715 QETH_DISCIPLINE_LAYER3 = 0, 716 QETH_DISCIPLINE_LAYER2 = 1, 717 }; 718 719 struct qeth_discipline { 720 void (*start_poll)(struct ccw_device *, int, unsigned long); 721 qdio_handler_t *input_handler; 722 qdio_handler_t *output_handler; 723 int (*recover)(void *ptr); 724 int (*setup) (struct ccwgroup_device *); 725 void (*remove) (struct ccwgroup_device *); 726 int (*set_online) (struct ccwgroup_device *); 727 int (*set_offline) (struct ccwgroup_device *); 728 void (*shutdown)(struct ccwgroup_device *); 729 int (*prepare) (struct ccwgroup_device *); 730 void (*complete) (struct ccwgroup_device *); 731 int (*freeze)(struct ccwgroup_device *); 732 int (*thaw) (struct ccwgroup_device *); 733 int (*restore)(struct ccwgroup_device *); 734 int (*control_event_handler)(struct qeth_card *card, 735 struct qeth_ipa_cmd *cmd); 736 }; 737 738 struct qeth_vlan_vid { 739 struct list_head list; 740 unsigned short vid; 741 }; 742 743 struct qeth_mc_mac { 744 struct list_head list; 745 __u8 mc_addr[MAX_ADDR_LEN]; 746 unsigned char mc_addrlen; 747 int is_vmac; 748 }; 749 750 struct qeth_rx { 751 int b_count; 752 int b_index; 753 struct qdio_buffer_element *b_element; 754 int e_offset; 755 int qdio_err; 756 }; 757 758 struct carrier_info { 759 __u8 card_type; 760 __u16 port_mode; 761 __u32 port_speed; 762 }; 763 764 struct qeth_switch_info { 765 __u32 capabilities; 766 __u32 settings; 767 }; 768 769 #define QETH_NAPI_WEIGHT NAPI_POLL_WEIGHT 770 771 struct qeth_card { 772 struct list_head list; 773 enum qeth_card_states state; 774 int lan_online; 775 spinlock_t lock; 776 struct ccwgroup_device *gdev; 777 struct qeth_channel read; 778 struct qeth_channel write; 779 struct qeth_channel data; 780 781 struct net_device *dev; 782 struct net_device_stats stats; 783 784 struct qeth_card_info info; 785 struct qeth_token token; 786 struct qeth_seqno seqno; 787 struct qeth_card_options options; 788 789 wait_queue_head_t wait_q; 790 spinlock_t vlanlock; 791 spinlock_t mclock; 792 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; 793 struct list_head vid_list; 794 struct list_head mc_list; 795 struct work_struct kernel_thread_starter; 796 spinlock_t thread_mask_lock; 797 unsigned long thread_start_mask; 798 unsigned long thread_allowed_mask; 799 unsigned long thread_running_mask; 800 struct task_struct *recovery_task; 801 spinlock_t ip_lock; 802 struct list_head ip_list; 803 struct list_head *ip_tbd_list; 804 struct qeth_ipato ipato; 805 struct list_head cmd_waiter_list; 806 /* QDIO buffer handling */ 807 struct qeth_qdio_info qdio; 808 struct qeth_perf_stats perf_stats; 809 int read_or_write_problem; 810 struct qeth_osn_info osn_info; 811 struct qeth_discipline *discipline; 812 atomic_t force_alloc_skb; 813 struct service_level qeth_service_level; 814 struct qdio_ssqd_desc ssqd; 815 debug_info_t *debug; 816 struct mutex conf_mutex; 817 struct mutex discipline_mutex; 818 struct napi_struct napi; 819 struct qeth_rx rx; 820 struct delayed_work buffer_reclaim_work; 821 int reclaim_index; 822 struct work_struct close_dev_work; 823 }; 824 825 struct qeth_card_list_struct { 826 struct list_head list; 827 rwlock_t rwlock; 828 }; 829 830 struct qeth_trap_id { 831 __u16 lparnr; 832 char vmname[8]; 833 __u8 chpid; 834 __u8 ssid; 835 __u16 devno; 836 } __packed; 837 838 /*some helper functions*/ 839 #define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "") 840 841 static inline int qeth_get_micros(void) 842 { 843 return (int) (get_tod_clock() >> 12); 844 } 845 846 static inline int qeth_get_ip_version(struct sk_buff *skb) 847 { 848 __be16 *p = &((struct ethhdr *)skb->data)->h_proto; 849 850 if (*p == ETH_P_8021Q) 851 p += 2; 852 switch (*p) { 853 case ETH_P_IPV6: 854 return 6; 855 case ETH_P_IP: 856 return 4; 857 default: 858 return 0; 859 } 860 } 861 862 static inline void qeth_put_buffer_pool_entry(struct qeth_card *card, 863 struct qeth_buffer_pool_entry *entry) 864 { 865 list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list); 866 } 867 868 static inline int qeth_is_diagass_supported(struct qeth_card *card, 869 enum qeth_diags_cmds cmd) 870 { 871 return card->info.diagass_support & (__u32)cmd; 872 } 873 874 extern struct qeth_discipline qeth_l2_discipline; 875 extern struct qeth_discipline qeth_l3_discipline; 876 extern const struct attribute_group *qeth_generic_attr_groups[]; 877 extern const struct attribute_group *qeth_osn_attr_groups[]; 878 extern struct workqueue_struct *qeth_wq; 879 880 int qeth_card_hw_is_reachable(struct qeth_card *); 881 const char *qeth_get_cardname_short(struct qeth_card *); 882 int qeth_realloc_buffer_pool(struct qeth_card *, int); 883 int qeth_core_load_discipline(struct qeth_card *, enum qeth_discipline_id); 884 void qeth_core_free_discipline(struct qeth_card *); 885 886 /* exports for qeth discipline device drivers */ 887 extern struct qeth_card_list_struct qeth_core_card_list; 888 extern struct kmem_cache *qeth_core_header_cache; 889 extern struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS]; 890 891 void qeth_set_recovery_task(struct qeth_card *); 892 void qeth_clear_recovery_task(struct qeth_card *); 893 void qeth_set_allowed_threads(struct qeth_card *, unsigned long , int); 894 int qeth_threads_running(struct qeth_card *, unsigned long); 895 int qeth_wait_for_threads(struct qeth_card *, unsigned long); 896 int qeth_do_run_thread(struct qeth_card *, unsigned long); 897 void qeth_clear_thread_start_bit(struct qeth_card *, unsigned long); 898 void qeth_clear_thread_running_bit(struct qeth_card *, unsigned long); 899 int qeth_core_hardsetup_card(struct qeth_card *); 900 void qeth_print_status_message(struct qeth_card *); 901 int qeth_init_qdio_queues(struct qeth_card *); 902 int qeth_send_startlan(struct qeth_card *); 903 int qeth_send_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, 904 int (*reply_cb) 905 (struct qeth_card *, struct qeth_reply *, unsigned long), 906 void *); 907 struct qeth_cmd_buffer *qeth_get_ipacmd_buffer(struct qeth_card *, 908 enum qeth_ipa_cmds, enum qeth_prot_versions); 909 int qeth_query_setadapterparms(struct qeth_card *); 910 int qeth_check_qdio_errors(struct qeth_card *, struct qdio_buffer *, 911 unsigned int, const char *); 912 void qeth_queue_input_buffer(struct qeth_card *, int); 913 struct sk_buff *qeth_core_get_next_skb(struct qeth_card *, 914 struct qeth_qdio_buffer *, struct qdio_buffer_element **, int *, 915 struct qeth_hdr **); 916 void qeth_schedule_recovery(struct qeth_card *); 917 void qeth_qdio_start_poll(struct ccw_device *, int, unsigned long); 918 void qeth_qdio_input_handler(struct ccw_device *, 919 unsigned int, unsigned int, int, 920 int, unsigned long); 921 void qeth_qdio_output_handler(struct ccw_device *, unsigned int, 922 int, int, int, unsigned long); 923 void qeth_clear_ipacmd_list(struct qeth_card *); 924 int qeth_qdio_clear_card(struct qeth_card *, int); 925 void qeth_clear_working_pool_list(struct qeth_card *); 926 void qeth_clear_cmd_buffers(struct qeth_channel *); 927 void qeth_clear_qdio_buffers(struct qeth_card *); 928 void qeth_setadp_promisc_mode(struct qeth_card *); 929 struct net_device_stats *qeth_get_stats(struct net_device *); 930 int qeth_change_mtu(struct net_device *, int); 931 int qeth_setadpparms_change_macaddr(struct qeth_card *); 932 void qeth_tx_timeout(struct net_device *); 933 void qeth_prepare_control_data(struct qeth_card *, int, 934 struct qeth_cmd_buffer *); 935 void qeth_release_buffer(struct qeth_channel *, struct qeth_cmd_buffer *); 936 void qeth_prepare_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, char); 937 struct qeth_cmd_buffer *qeth_wait_for_buffer(struct qeth_channel *); 938 int qeth_mdio_read(struct net_device *, int, int); 939 int qeth_snmp_command(struct qeth_card *, char __user *); 940 int qeth_query_oat_command(struct qeth_card *, char __user *); 941 int qeth_query_switch_attributes(struct qeth_card *card, 942 struct qeth_switch_info *sw_info); 943 int qeth_send_control_data(struct qeth_card *, int, struct qeth_cmd_buffer *, 944 int (*reply_cb)(struct qeth_card *, struct qeth_reply*, unsigned long), 945 void *reply_param); 946 int qeth_bridgeport_query_ports(struct qeth_card *card, 947 enum qeth_sbp_roles *role, enum qeth_sbp_states *state); 948 int qeth_bridgeport_setrole(struct qeth_card *card, enum qeth_sbp_roles role); 949 int qeth_bridgeport_an_set(struct qeth_card *card, int enable); 950 int qeth_get_priority_queue(struct qeth_card *, struct sk_buff *, int, int); 951 int qeth_get_elements_no(struct qeth_card *, struct sk_buff *, int); 952 int qeth_get_elements_for_frags(struct sk_buff *); 953 int qeth_do_send_packet_fast(struct qeth_card *, struct qeth_qdio_out_q *, 954 struct sk_buff *, struct qeth_hdr *, int, int, int); 955 int qeth_do_send_packet(struct qeth_card *, struct qeth_qdio_out_q *, 956 struct sk_buff *, struct qeth_hdr *, int); 957 int qeth_core_get_sset_count(struct net_device *, int); 958 void qeth_core_get_ethtool_stats(struct net_device *, 959 struct ethtool_stats *, u64 *); 960 void qeth_core_get_strings(struct net_device *, u32, u8 *); 961 void qeth_core_get_drvinfo(struct net_device *, struct ethtool_drvinfo *); 962 void qeth_dbf_longtext(debug_info_t *id, int level, char *text, ...); 963 int qeth_core_ethtool_get_settings(struct net_device *, struct ethtool_cmd *); 964 int qeth_set_access_ctrl_online(struct qeth_card *card, int fallback); 965 int qeth_hdr_chk_and_bounce(struct sk_buff *, struct qeth_hdr **, int); 966 int qeth_configure_cq(struct qeth_card *, enum qeth_cq); 967 int qeth_hw_trap(struct qeth_card *, enum qeth_diags_trap_action); 968 int qeth_query_ipassists(struct qeth_card *, enum qeth_prot_versions prot); 969 void qeth_trace_features(struct qeth_card *); 970 void qeth_close_dev(struct qeth_card *); 971 972 /* exports for OSN */ 973 int qeth_osn_assist(struct net_device *, void *, int); 974 int qeth_osn_register(unsigned char *read_dev_no, struct net_device **, 975 int (*assist_cb)(struct net_device *, void *), 976 int (*data_cb)(struct sk_buff *)); 977 void qeth_osn_deregister(struct net_device *); 978 979 #endif /* __QETH_CORE_H__ */ 980