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 static inline int qeth_is_last_sbale(struct qdio_buffer_element *sbale) 384 { 385 return (sbale->eflags & SBAL_EFLAGS_LAST_ENTRY); 386 } 387 388 enum qeth_qdio_buffer_states { 389 /* 390 * inbound: read out by driver; owned by hardware in order to be filled 391 * outbound: owned by driver in order to be filled 392 */ 393 QETH_QDIO_BUF_EMPTY, 394 /* 395 * inbound: filled by hardware; owned by driver in order to be read out 396 * outbound: filled by driver; owned by hardware in order to be sent 397 */ 398 QETH_QDIO_BUF_PRIMED, 399 /* 400 * inbound: not applicable 401 * outbound: identified to be pending in TPQ 402 */ 403 QETH_QDIO_BUF_PENDING, 404 /* 405 * inbound: not applicable 406 * outbound: found in completion queue 407 */ 408 QETH_QDIO_BUF_IN_CQ, 409 /* 410 * inbound: not applicable 411 * outbound: handled via transfer pending / completion queue 412 */ 413 QETH_QDIO_BUF_HANDLED_DELAYED, 414 }; 415 416 enum qeth_qdio_info_states { 417 QETH_QDIO_UNINITIALIZED, 418 QETH_QDIO_ALLOCATED, 419 QETH_QDIO_ESTABLISHED, 420 QETH_QDIO_CLEANING 421 }; 422 423 struct qeth_buffer_pool_entry { 424 struct list_head list; 425 struct list_head init_list; 426 void *elements[QDIO_MAX_ELEMENTS_PER_BUFFER]; 427 }; 428 429 struct qeth_qdio_buffer_pool { 430 struct list_head entry_list; 431 int buf_count; 432 }; 433 434 struct qeth_qdio_buffer { 435 struct qdio_buffer *buffer; 436 /* the buffer pool entry currently associated to this buffer */ 437 struct qeth_buffer_pool_entry *pool_entry; 438 struct sk_buff *rx_skb; 439 }; 440 441 struct qeth_qdio_q { 442 struct qdio_buffer *qdio_bufs[QDIO_MAX_BUFFERS_PER_Q]; 443 struct qeth_qdio_buffer bufs[QDIO_MAX_BUFFERS_PER_Q]; 444 int next_buf_to_init; 445 }; 446 447 struct qeth_qdio_out_buffer { 448 struct qdio_buffer *buffer; 449 atomic_t state; 450 int next_element_to_fill; 451 struct sk_buff_head skb_list; 452 int is_header[16]; 453 454 struct qaob *aob; 455 struct qeth_qdio_out_q *q; 456 struct qeth_qdio_out_buffer *next_pending; 457 }; 458 459 struct qeth_card; 460 461 enum qeth_out_q_states { 462 QETH_OUT_Q_UNLOCKED, 463 QETH_OUT_Q_LOCKED, 464 QETH_OUT_Q_LOCKED_FLUSH, 465 }; 466 467 struct qeth_qdio_out_q { 468 struct qdio_buffer *qdio_bufs[QDIO_MAX_BUFFERS_PER_Q]; 469 struct qeth_qdio_out_buffer *bufs[QDIO_MAX_BUFFERS_PER_Q]; 470 struct qdio_outbuf_state *bufstates; /* convenience pointer */ 471 int queue_no; 472 struct qeth_card *card; 473 atomic_t state; 474 int do_pack; 475 /* 476 * index of buffer to be filled by driver; state EMPTY or PACKING 477 */ 478 int next_buf_to_fill; 479 /* 480 * number of buffers that are currently filled (PRIMED) 481 * -> these buffers are hardware-owned 482 */ 483 atomic_t used_buffers; 484 /* indicates whether PCI flag must be set (or if one is outstanding) */ 485 atomic_t set_pci_flags_count; 486 }; 487 488 struct qeth_qdio_info { 489 atomic_t state; 490 /* input */ 491 int no_in_queues; 492 struct qeth_qdio_q *in_q; 493 struct qeth_qdio_q *c_q; 494 struct qeth_qdio_buffer_pool in_buf_pool; 495 struct qeth_qdio_buffer_pool init_pool; 496 int in_buf_size; 497 498 /* output */ 499 int no_out_queues; 500 struct qeth_qdio_out_q **out_qs; 501 struct qdio_outbuf_state *out_bufstates; 502 503 /* priority queueing */ 504 int do_prio_queueing; 505 int default_out_queue; 506 }; 507 508 enum qeth_send_errors { 509 QETH_SEND_ERROR_NONE, 510 QETH_SEND_ERROR_LINK_FAILURE, 511 QETH_SEND_ERROR_RETRY, 512 QETH_SEND_ERROR_KICK_IT, 513 }; 514 515 #define QETH_ETH_MAC_V4 0x0100 /* like v4 */ 516 #define QETH_ETH_MAC_V6 0x3333 /* like v6 */ 517 /* tr mc mac is longer, but that will be enough to detect mc frames */ 518 #define QETH_TR_MAC_NC 0xc000 /* non-canonical */ 519 #define QETH_TR_MAC_C 0x0300 /* canonical */ 520 521 #define DEFAULT_ADD_HHLEN 0 522 #define MAX_ADD_HHLEN 1024 523 524 /** 525 * buffer stuff for read channel 526 */ 527 #define QETH_CMD_BUFFER_NO 8 528 529 /** 530 * channel state machine 531 */ 532 enum qeth_channel_states { 533 CH_STATE_UP, 534 CH_STATE_DOWN, 535 CH_STATE_ACTIVATING, 536 CH_STATE_HALTED, 537 CH_STATE_STOPPED, 538 CH_STATE_RCD, 539 CH_STATE_RCD_DONE, 540 }; 541 /** 542 * card state machine 543 */ 544 enum qeth_card_states { 545 CARD_STATE_DOWN, 546 CARD_STATE_HARDSETUP, 547 CARD_STATE_SOFTSETUP, 548 CARD_STATE_UP, 549 CARD_STATE_RECOVER, 550 }; 551 552 /** 553 * Protocol versions 554 */ 555 enum qeth_prot_versions { 556 QETH_PROT_IPV4 = 0x0004, 557 QETH_PROT_IPV6 = 0x0006, 558 }; 559 560 enum qeth_ip_types { 561 QETH_IP_TYPE_NORMAL, 562 QETH_IP_TYPE_VIPA, 563 QETH_IP_TYPE_RXIP, 564 QETH_IP_TYPE_DEL_ALL_MC, 565 }; 566 567 enum qeth_cmd_buffer_state { 568 BUF_STATE_FREE, 569 BUF_STATE_LOCKED, 570 BUF_STATE_PROCESSED, 571 }; 572 573 enum qeth_cq { 574 QETH_CQ_DISABLED = 0, 575 QETH_CQ_ENABLED = 1, 576 QETH_CQ_NOTAVAILABLE = 2, 577 }; 578 579 struct qeth_ipato { 580 int enabled; 581 int invert4; 582 int invert6; 583 struct list_head entries; 584 }; 585 586 struct qeth_channel; 587 588 struct qeth_cmd_buffer { 589 enum qeth_cmd_buffer_state state; 590 struct qeth_channel *channel; 591 unsigned char *data; 592 int rc; 593 void (*callback) (struct qeth_channel *, struct qeth_cmd_buffer *); 594 }; 595 596 /** 597 * definition of a qeth channel, used for read and write 598 */ 599 struct qeth_channel { 600 enum qeth_channel_states state; 601 struct ccw1 ccw; 602 spinlock_t iob_lock; 603 wait_queue_head_t wait_q; 604 struct tasklet_struct irq_tasklet; 605 struct ccw_device *ccwdev; 606 /*command buffer for control data*/ 607 struct qeth_cmd_buffer iob[QETH_CMD_BUFFER_NO]; 608 atomic_t irq_pending; 609 int io_buf_no; 610 int buf_no; 611 }; 612 613 /** 614 * OSA card related definitions 615 */ 616 struct qeth_token { 617 __u32 issuer_rm_w; 618 __u32 issuer_rm_r; 619 __u32 cm_filter_w; 620 __u32 cm_filter_r; 621 __u32 cm_connection_w; 622 __u32 cm_connection_r; 623 __u32 ulp_filter_w; 624 __u32 ulp_filter_r; 625 __u32 ulp_connection_w; 626 __u32 ulp_connection_r; 627 }; 628 629 struct qeth_seqno { 630 __u32 trans_hdr; 631 __u32 pdu_hdr; 632 __u32 pdu_hdr_ack; 633 __u16 ipa; 634 __u32 pkt_seqno; 635 }; 636 637 struct qeth_reply { 638 struct list_head list; 639 wait_queue_head_t wait_q; 640 int (*callback)(struct qeth_card *, struct qeth_reply *, 641 unsigned long); 642 u32 seqno; 643 unsigned long offset; 644 atomic_t received; 645 int rc; 646 void *param; 647 struct qeth_card *card; 648 atomic_t refcnt; 649 }; 650 651 652 struct qeth_card_blkt { 653 int time_total; 654 int inter_packet; 655 int inter_packet_jumbo; 656 }; 657 658 #define QETH_BROADCAST_WITH_ECHO 0x01 659 #define QETH_BROADCAST_WITHOUT_ECHO 0x02 660 #define QETH_LAYER2_MAC_READ 0x01 661 #define QETH_LAYER2_MAC_REGISTERED 0x02 662 struct qeth_card_info { 663 unsigned short unit_addr2; 664 unsigned short cula; 665 unsigned short chpid; 666 __u16 func_level; 667 char mcl_level[QETH_MCL_LENGTH + 1]; 668 int guestlan; 669 int mac_bits; 670 int portname_required; 671 int portno; 672 char portname[9]; 673 enum qeth_card_types type; 674 enum qeth_link_types link_type; 675 int is_multicast_different; 676 int initial_mtu; 677 int max_mtu; 678 int broadcast_capable; 679 int unique_id; 680 struct qeth_card_blkt blkt; 681 __u32 csum_mask; 682 __u32 tx_csum_mask; 683 enum qeth_ipa_promisc_modes promisc_mode; 684 __u32 diagass_support; 685 __u32 hwtrap; 686 }; 687 688 struct qeth_card_options { 689 struct qeth_routing_info route4; 690 struct qeth_ipa_info ipa4; 691 struct qeth_ipa_info adp; /*Adapter parameters*/ 692 struct qeth_routing_info route6; 693 struct qeth_ipa_info ipa6; 694 struct qeth_sbp_info sbp; /* SETBRIDGEPORT options */ 695 int fake_broadcast; 696 int add_hhlen; 697 int layer2; 698 int performance_stats; 699 int rx_sg_cb; 700 enum qeth_ipa_isolation_modes isolation; 701 enum qeth_ipa_isolation_modes prev_isolation; 702 int sniffer; 703 enum qeth_cq cq; 704 char hsuid[9]; 705 }; 706 707 /* 708 * thread bits for qeth_card thread masks 709 */ 710 enum qeth_threads { 711 QETH_RECOVER_THREAD = 1, 712 }; 713 714 struct qeth_osn_info { 715 int (*assist_cb)(struct net_device *dev, void *data); 716 int (*data_cb)(struct sk_buff *skb); 717 }; 718 719 enum qeth_discipline_id { 720 QETH_DISCIPLINE_LAYER3 = 0, 721 QETH_DISCIPLINE_LAYER2 = 1, 722 }; 723 724 struct qeth_discipline { 725 void (*start_poll)(struct ccw_device *, int, unsigned long); 726 qdio_handler_t *input_handler; 727 qdio_handler_t *output_handler; 728 int (*recover)(void *ptr); 729 int (*setup) (struct ccwgroup_device *); 730 void (*remove) (struct ccwgroup_device *); 731 int (*set_online) (struct ccwgroup_device *); 732 int (*set_offline) (struct ccwgroup_device *); 733 void (*shutdown)(struct ccwgroup_device *); 734 int (*prepare) (struct ccwgroup_device *); 735 void (*complete) (struct ccwgroup_device *); 736 int (*freeze)(struct ccwgroup_device *); 737 int (*thaw) (struct ccwgroup_device *); 738 int (*restore)(struct ccwgroup_device *); 739 int (*control_event_handler)(struct qeth_card *card, 740 struct qeth_ipa_cmd *cmd); 741 }; 742 743 struct qeth_vlan_vid { 744 struct list_head list; 745 unsigned short vid; 746 }; 747 748 struct qeth_mc_mac { 749 struct list_head list; 750 __u8 mc_addr[MAX_ADDR_LEN]; 751 unsigned char mc_addrlen; 752 int is_vmac; 753 }; 754 755 struct qeth_rx { 756 int b_count; 757 int b_index; 758 struct qdio_buffer_element *b_element; 759 int e_offset; 760 int qdio_err; 761 }; 762 763 struct carrier_info { 764 __u8 card_type; 765 __u16 port_mode; 766 __u32 port_speed; 767 }; 768 769 struct qeth_switch_info { 770 __u32 capabilities; 771 __u32 settings; 772 }; 773 774 #define QETH_NAPI_WEIGHT NAPI_POLL_WEIGHT 775 776 struct qeth_card { 777 struct list_head list; 778 enum qeth_card_states state; 779 int lan_online; 780 spinlock_t lock; 781 struct ccwgroup_device *gdev; 782 struct qeth_channel read; 783 struct qeth_channel write; 784 struct qeth_channel data; 785 786 struct net_device *dev; 787 struct net_device_stats stats; 788 789 struct qeth_card_info info; 790 struct qeth_token token; 791 struct qeth_seqno seqno; 792 struct qeth_card_options options; 793 794 wait_queue_head_t wait_q; 795 spinlock_t vlanlock; 796 spinlock_t mclock; 797 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; 798 struct list_head vid_list; 799 struct list_head mc_list; 800 struct work_struct kernel_thread_starter; 801 spinlock_t thread_mask_lock; 802 unsigned long thread_start_mask; 803 unsigned long thread_allowed_mask; 804 unsigned long thread_running_mask; 805 struct task_struct *recovery_task; 806 spinlock_t ip_lock; 807 struct list_head ip_list; 808 struct list_head *ip_tbd_list; 809 struct qeth_ipato ipato; 810 struct list_head cmd_waiter_list; 811 /* QDIO buffer handling */ 812 struct qeth_qdio_info qdio; 813 struct qeth_perf_stats perf_stats; 814 int read_or_write_problem; 815 struct qeth_osn_info osn_info; 816 struct qeth_discipline *discipline; 817 atomic_t force_alloc_skb; 818 struct service_level qeth_service_level; 819 struct qdio_ssqd_desc ssqd; 820 debug_info_t *debug; 821 struct mutex conf_mutex; 822 struct mutex discipline_mutex; 823 struct napi_struct napi; 824 struct qeth_rx rx; 825 struct delayed_work buffer_reclaim_work; 826 int reclaim_index; 827 struct work_struct close_dev_work; 828 }; 829 830 struct qeth_card_list_struct { 831 struct list_head list; 832 rwlock_t rwlock; 833 }; 834 835 struct qeth_trap_id { 836 __u16 lparnr; 837 char vmname[8]; 838 __u8 chpid; 839 __u8 ssid; 840 __u16 devno; 841 } __packed; 842 843 /*some helper functions*/ 844 #define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "") 845 846 static inline struct qeth_card *CARD_FROM_CDEV(struct ccw_device *cdev) 847 { 848 struct qeth_card *card = dev_get_drvdata(&((struct ccwgroup_device *) 849 dev_get_drvdata(&cdev->dev))->dev); 850 return card; 851 } 852 853 static inline int qeth_get_micros(void) 854 { 855 return (int) (get_tod_clock() >> 12); 856 } 857 858 static inline int qeth_get_ip_version(struct sk_buff *skb) 859 { 860 __be16 *p = &((struct ethhdr *)skb->data)->h_proto; 861 862 if (*p == ETH_P_8021Q) 863 p += 2; 864 switch (*p) { 865 case ETH_P_IPV6: 866 return 6; 867 case ETH_P_IP: 868 return 4; 869 default: 870 return 0; 871 } 872 } 873 874 static inline void qeth_put_buffer_pool_entry(struct qeth_card *card, 875 struct qeth_buffer_pool_entry *entry) 876 { 877 list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list); 878 } 879 880 static inline int qeth_is_diagass_supported(struct qeth_card *card, 881 enum qeth_diags_cmds cmd) 882 { 883 return card->info.diagass_support & (__u32)cmd; 884 } 885 886 extern struct qeth_discipline qeth_l2_discipline; 887 extern struct qeth_discipline qeth_l3_discipline; 888 extern const struct attribute_group *qeth_generic_attr_groups[]; 889 extern const struct attribute_group *qeth_osn_attr_groups[]; 890 extern struct workqueue_struct *qeth_wq; 891 892 int qeth_card_hw_is_reachable(struct qeth_card *); 893 const char *qeth_get_cardname_short(struct qeth_card *); 894 int qeth_realloc_buffer_pool(struct qeth_card *, int); 895 int qeth_core_load_discipline(struct qeth_card *, enum qeth_discipline_id); 896 void qeth_core_free_discipline(struct qeth_card *); 897 void qeth_buffer_reclaim_work(struct work_struct *); 898 899 /* exports for qeth discipline device drivers */ 900 extern struct qeth_card_list_struct qeth_core_card_list; 901 extern struct kmem_cache *qeth_core_header_cache; 902 extern struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS]; 903 904 void qeth_set_recovery_task(struct qeth_card *); 905 void qeth_clear_recovery_task(struct qeth_card *); 906 void qeth_set_allowed_threads(struct qeth_card *, unsigned long , int); 907 int qeth_threads_running(struct qeth_card *, unsigned long); 908 int qeth_wait_for_threads(struct qeth_card *, unsigned long); 909 int qeth_do_run_thread(struct qeth_card *, unsigned long); 910 void qeth_clear_thread_start_bit(struct qeth_card *, unsigned long); 911 void qeth_clear_thread_running_bit(struct qeth_card *, unsigned long); 912 int qeth_core_hardsetup_card(struct qeth_card *); 913 void qeth_print_status_message(struct qeth_card *); 914 int qeth_init_qdio_queues(struct qeth_card *); 915 int qeth_send_startlan(struct qeth_card *); 916 int qeth_send_stoplan(struct qeth_card *); 917 int qeth_send_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, 918 int (*reply_cb) 919 (struct qeth_card *, struct qeth_reply *, unsigned long), 920 void *); 921 struct qeth_cmd_buffer *qeth_get_ipacmd_buffer(struct qeth_card *, 922 enum qeth_ipa_cmds, enum qeth_prot_versions); 923 int qeth_query_setadapterparms(struct qeth_card *); 924 int qeth_check_qdio_errors(struct qeth_card *, struct qdio_buffer *, 925 unsigned int, const char *); 926 void qeth_queue_input_buffer(struct qeth_card *, int); 927 struct sk_buff *qeth_core_get_next_skb(struct qeth_card *, 928 struct qeth_qdio_buffer *, struct qdio_buffer_element **, int *, 929 struct qeth_hdr **); 930 void qeth_schedule_recovery(struct qeth_card *); 931 void qeth_qdio_start_poll(struct ccw_device *, int, unsigned long); 932 void qeth_qdio_input_handler(struct ccw_device *, 933 unsigned int, unsigned int, int, 934 int, unsigned long); 935 void qeth_qdio_output_handler(struct ccw_device *, unsigned int, 936 int, int, int, unsigned long); 937 void qeth_clear_ipacmd_list(struct qeth_card *); 938 int qeth_qdio_clear_card(struct qeth_card *, int); 939 void qeth_clear_working_pool_list(struct qeth_card *); 940 void qeth_clear_cmd_buffers(struct qeth_channel *); 941 void qeth_clear_qdio_buffers(struct qeth_card *); 942 void qeth_setadp_promisc_mode(struct qeth_card *); 943 struct net_device_stats *qeth_get_stats(struct net_device *); 944 int qeth_change_mtu(struct net_device *, int); 945 int qeth_setadpparms_change_macaddr(struct qeth_card *); 946 void qeth_tx_timeout(struct net_device *); 947 void qeth_prepare_control_data(struct qeth_card *, int, 948 struct qeth_cmd_buffer *); 949 void qeth_release_buffer(struct qeth_channel *, struct qeth_cmd_buffer *); 950 void qeth_prepare_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, char); 951 struct qeth_cmd_buffer *qeth_wait_for_buffer(struct qeth_channel *); 952 int qeth_mdio_read(struct net_device *, int, int); 953 int qeth_snmp_command(struct qeth_card *, char __user *); 954 int qeth_query_oat_command(struct qeth_card *, char __user *); 955 int qeth_query_switch_attributes(struct qeth_card *card, 956 struct qeth_switch_info *sw_info); 957 int qeth_query_card_info(struct qeth_card *card, 958 struct carrier_info *carrier_info); 959 int qeth_send_control_data(struct qeth_card *, int, struct qeth_cmd_buffer *, 960 int (*reply_cb)(struct qeth_card *, struct qeth_reply*, unsigned long), 961 void *reply_param); 962 int qeth_bridgeport_query_ports(struct qeth_card *card, 963 enum qeth_sbp_roles *role, enum qeth_sbp_states *state); 964 int qeth_bridgeport_setrole(struct qeth_card *card, enum qeth_sbp_roles role); 965 int qeth_bridgeport_an_set(struct qeth_card *card, int enable); 966 int qeth_get_priority_queue(struct qeth_card *, struct sk_buff *, int, int); 967 int qeth_get_elements_no(struct qeth_card *, struct sk_buff *, int); 968 int qeth_get_elements_for_frags(struct sk_buff *); 969 int qeth_do_send_packet_fast(struct qeth_card *, struct qeth_qdio_out_q *, 970 struct sk_buff *, struct qeth_hdr *, int, int, int); 971 int qeth_do_send_packet(struct qeth_card *, struct qeth_qdio_out_q *, 972 struct sk_buff *, struct qeth_hdr *, int); 973 int qeth_core_get_sset_count(struct net_device *, int); 974 void qeth_core_get_ethtool_stats(struct net_device *, 975 struct ethtool_stats *, u64 *); 976 void qeth_core_get_strings(struct net_device *, u32, u8 *); 977 void qeth_core_get_drvinfo(struct net_device *, struct ethtool_drvinfo *); 978 void qeth_dbf_longtext(debug_info_t *id, int level, char *text, ...); 979 int qeth_core_ethtool_get_settings(struct net_device *, struct ethtool_cmd *); 980 int qeth_set_access_ctrl_online(struct qeth_card *card, int fallback); 981 int qeth_hdr_chk_and_bounce(struct sk_buff *, struct qeth_hdr **, int); 982 int qeth_configure_cq(struct qeth_card *, enum qeth_cq); 983 int qeth_hw_trap(struct qeth_card *, enum qeth_diags_trap_action); 984 int qeth_query_ipassists(struct qeth_card *, enum qeth_prot_versions prot); 985 void qeth_trace_features(struct qeth_card *); 986 void qeth_close_dev(struct qeth_card *); 987 988 /* exports for OSN */ 989 int qeth_osn_assist(struct net_device *, void *, int); 990 int qeth_osn_register(unsigned char *read_dev_no, struct net_device **, 991 int (*assist_cb)(struct net_device *, void *), 992 int (*data_cb)(struct sk_buff *)); 993 void qeth_osn_deregister(struct net_device *); 994 995 #endif /* __QETH_CORE_H__ */ 996