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 __u32 reflect_promisc:1; 179 __u32 reflect_promisc_primary:1; 180 }; 181 182 static inline int qeth_is_ipa_supported(struct qeth_ipa_info *ipa, 183 enum qeth_ipa_funcs func) 184 { 185 return (ipa->supported_funcs & func); 186 } 187 188 static inline int qeth_is_ipa_enabled(struct qeth_ipa_info *ipa, 189 enum qeth_ipa_funcs func) 190 { 191 return (ipa->supported_funcs & ipa->enabled_funcs & func); 192 } 193 194 #define qeth_adp_supported(c, f) \ 195 qeth_is_ipa_supported(&c->options.adp, f) 196 #define qeth_adp_enabled(c, f) \ 197 qeth_is_ipa_enabled(&c->options.adp, f) 198 #define qeth_is_supported(c, f) \ 199 qeth_is_ipa_supported(&c->options.ipa4, f) 200 #define qeth_is_enabled(c, f) \ 201 qeth_is_ipa_enabled(&c->options.ipa4, f) 202 #define qeth_is_supported6(c, f) \ 203 qeth_is_ipa_supported(&c->options.ipa6, f) 204 #define qeth_is_enabled6(c, f) \ 205 qeth_is_ipa_enabled(&c->options.ipa6, f) 206 #define qeth_is_ipafunc_supported(c, prot, f) \ 207 ((prot == QETH_PROT_IPV6) ? \ 208 qeth_is_supported6(c, f) : qeth_is_supported(c, f)) 209 #define qeth_is_ipafunc_enabled(c, prot, f) \ 210 ((prot == QETH_PROT_IPV6) ? \ 211 qeth_is_enabled6(c, f) : qeth_is_enabled(c, f)) 212 213 #define QETH_IDX_FUNC_LEVEL_OSD 0x0101 214 #define QETH_IDX_FUNC_LEVEL_IQD 0x4108 215 216 #define QETH_MODELLIST_ARRAY \ 217 {{0x1731, 0x01, 0x1732, QETH_CARD_TYPE_OSD, QETH_MAX_QUEUES, 0}, \ 218 {0x1731, 0x05, 0x1732, QETH_CARD_TYPE_IQD, QETH_MAX_QUEUES, 0x103}, \ 219 {0x1731, 0x06, 0x1732, QETH_CARD_TYPE_OSN, QETH_MAX_QUEUES, 0}, \ 220 {0x1731, 0x02, 0x1732, QETH_CARD_TYPE_OSM, QETH_MAX_QUEUES, 0}, \ 221 {0x1731, 0x02, 0x1732, QETH_CARD_TYPE_OSX, QETH_MAX_QUEUES, 0}, \ 222 {0, 0, 0, 0, 0, 0} } 223 #define QETH_CU_TYPE_IND 0 224 #define QETH_CU_MODEL_IND 1 225 #define QETH_DEV_TYPE_IND 2 226 #define QETH_DEV_MODEL_IND 3 227 #define QETH_QUEUE_NO_IND 4 228 #define QETH_MULTICAST_IND 5 229 230 #define QETH_REAL_CARD 1 231 #define QETH_VLAN_CARD 2 232 #define QETH_BUFSIZE 4096 233 234 /** 235 * some more defs 236 */ 237 #define QETH_TX_TIMEOUT 100 * HZ 238 #define QETH_RCD_TIMEOUT 60 * HZ 239 #define QETH_RECLAIM_WORK_TIME HZ 240 #define QETH_HEADER_SIZE 32 241 #define QETH_MAX_PORTNO 15 242 243 /*IPv6 address autoconfiguration stuff*/ 244 #define UNIQUE_ID_IF_CREATE_ADDR_FAILED 0xfffe 245 #define UNIQUE_ID_NOT_BY_CARD 0x10000 246 247 /*****************************************************************************/ 248 /* QDIO queue and buffer handling */ 249 /*****************************************************************************/ 250 #define QETH_MAX_QUEUES 4 251 #define QETH_IN_BUF_SIZE_DEFAULT 65536 252 #define QETH_IN_BUF_COUNT_DEFAULT 64 253 #define QETH_IN_BUF_COUNT_HSDEFAULT 128 254 #define QETH_IN_BUF_COUNT_MIN 8 255 #define QETH_IN_BUF_COUNT_MAX 128 256 #define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12) 257 #define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \ 258 ((card)->qdio.in_buf_pool.buf_count / 2) 259 260 /* buffers we have to be behind before we get a PCI */ 261 #define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1) 262 /*enqueued free buffers left before we get a PCI*/ 263 #define QETH_PCI_THRESHOLD_B(card) 0 264 /*not used unless the microcode gets patched*/ 265 #define QETH_PCI_TIMER_VALUE(card) 3 266 267 /* priority queing */ 268 #define QETH_PRIOQ_DEFAULT QETH_NO_PRIO_QUEUEING 269 #define QETH_DEFAULT_QUEUE 2 270 #define QETH_NO_PRIO_QUEUEING 0 271 #define QETH_PRIO_Q_ING_PREC 1 272 #define QETH_PRIO_Q_ING_TOS 2 273 #define QETH_PRIO_Q_ING_SKB 3 274 #define QETH_PRIO_Q_ING_VLAN 4 275 276 /* Packing */ 277 #define QETH_LOW_WATERMARK_PACK 2 278 #define QETH_HIGH_WATERMARK_PACK 5 279 #define QETH_WATERMARK_PACK_FUZZ 1 280 281 #define QETH_IP_HEADER_SIZE 40 282 283 /* large receive scatter gather copy break */ 284 #define QETH_RX_SG_CB (PAGE_SIZE >> 1) 285 #define QETH_RX_PULL_LEN 256 286 287 struct qeth_hdr_layer3 { 288 __u8 id; 289 __u8 flags; 290 __u16 inbound_checksum; /*TSO:__u16 seqno */ 291 __u32 token; /*TSO: __u32 reserved */ 292 __u16 length; 293 __u8 vlan_prio; 294 __u8 ext_flags; 295 __u16 vlan_id; 296 __u16 frame_offset; 297 __u8 dest_addr[16]; 298 } __attribute__ ((packed)); 299 300 struct qeth_hdr_layer2 { 301 __u8 id; 302 __u8 flags[3]; 303 __u8 port_no; 304 __u8 hdr_length; 305 __u16 pkt_length; 306 __u16 seq_no; 307 __u16 vlan_id; 308 __u32 reserved; 309 __u8 reserved2[16]; 310 } __attribute__ ((packed)); 311 312 struct qeth_hdr_osn { 313 __u8 id; 314 __u8 reserved; 315 __u16 seq_no; 316 __u16 reserved2; 317 __u16 control_flags; 318 __u16 pdu_length; 319 __u8 reserved3[18]; 320 __u32 ccid; 321 } __attribute__ ((packed)); 322 323 struct qeth_hdr { 324 union { 325 struct qeth_hdr_layer2 l2; 326 struct qeth_hdr_layer3 l3; 327 struct qeth_hdr_osn osn; 328 } hdr; 329 } __attribute__ ((packed)); 330 331 /*TCP Segmentation Offload header*/ 332 struct qeth_hdr_ext_tso { 333 __u16 hdr_tot_len; 334 __u8 imb_hdr_no; 335 __u8 reserved; 336 __u8 hdr_type; 337 __u8 hdr_version; 338 __u16 hdr_len; 339 __u32 payload_len; 340 __u16 mss; 341 __u16 dg_hdr_len; 342 __u8 padding[16]; 343 } __attribute__ ((packed)); 344 345 struct qeth_hdr_tso { 346 struct qeth_hdr hdr; /*hdr->hdr.l3.xxx*/ 347 struct qeth_hdr_ext_tso ext; 348 } __attribute__ ((packed)); 349 350 351 /* flags for qeth_hdr.flags */ 352 #define QETH_HDR_PASSTHRU 0x10 353 #define QETH_HDR_IPV6 0x80 354 #define QETH_HDR_CAST_MASK 0x07 355 enum qeth_cast_flags { 356 QETH_CAST_UNICAST = 0x06, 357 QETH_CAST_MULTICAST = 0x04, 358 QETH_CAST_BROADCAST = 0x05, 359 QETH_CAST_ANYCAST = 0x07, 360 QETH_CAST_NOCAST = 0x00, 361 }; 362 363 enum qeth_layer2_frame_flags { 364 QETH_LAYER2_FLAG_MULTICAST = 0x01, 365 QETH_LAYER2_FLAG_BROADCAST = 0x02, 366 QETH_LAYER2_FLAG_UNICAST = 0x04, 367 QETH_LAYER2_FLAG_VLAN = 0x10, 368 }; 369 370 enum qeth_header_ids { 371 QETH_HEADER_TYPE_LAYER3 = 0x01, 372 QETH_HEADER_TYPE_LAYER2 = 0x02, 373 QETH_HEADER_TYPE_TSO = 0x03, 374 QETH_HEADER_TYPE_OSN = 0x04, 375 }; 376 /* flags for qeth_hdr.ext_flags */ 377 #define QETH_HDR_EXT_VLAN_FRAME 0x01 378 #define QETH_HDR_EXT_TOKEN_ID 0x02 379 #define QETH_HDR_EXT_INCLUDE_VLAN_TAG 0x04 380 #define QETH_HDR_EXT_SRC_MAC_ADDR 0x08 381 #define QETH_HDR_EXT_CSUM_HDR_REQ 0x10 382 #define QETH_HDR_EXT_CSUM_TRANSP_REQ 0x20 383 #define QETH_HDR_EXT_UDP 0x40 /*bit off for TCP*/ 384 385 enum qeth_qdio_buffer_states { 386 /* 387 * inbound: read out by driver; owned by hardware in order to be filled 388 * outbound: owned by driver in order to be filled 389 */ 390 QETH_QDIO_BUF_EMPTY, 391 /* 392 * inbound: filled by hardware; owned by driver in order to be read out 393 * outbound: filled by driver; owned by hardware in order to be sent 394 */ 395 QETH_QDIO_BUF_PRIMED, 396 /* 397 * inbound: not applicable 398 * outbound: identified to be pending in TPQ 399 */ 400 QETH_QDIO_BUF_PENDING, 401 /* 402 * inbound: not applicable 403 * outbound: found in completion queue 404 */ 405 QETH_QDIO_BUF_IN_CQ, 406 /* 407 * inbound: not applicable 408 * outbound: handled via transfer pending / completion queue 409 */ 410 QETH_QDIO_BUF_HANDLED_DELAYED, 411 }; 412 413 enum qeth_qdio_info_states { 414 QETH_QDIO_UNINITIALIZED, 415 QETH_QDIO_ALLOCATED, 416 QETH_QDIO_ESTABLISHED, 417 QETH_QDIO_CLEANING 418 }; 419 420 struct qeth_buffer_pool_entry { 421 struct list_head list; 422 struct list_head init_list; 423 void *elements[QDIO_MAX_ELEMENTS_PER_BUFFER]; 424 }; 425 426 struct qeth_qdio_buffer_pool { 427 struct list_head entry_list; 428 int buf_count; 429 }; 430 431 struct qeth_qdio_buffer { 432 struct qdio_buffer *buffer; 433 /* the buffer pool entry currently associated to this buffer */ 434 struct qeth_buffer_pool_entry *pool_entry; 435 struct sk_buff *rx_skb; 436 }; 437 438 struct qeth_qdio_q { 439 struct qdio_buffer *qdio_bufs[QDIO_MAX_BUFFERS_PER_Q]; 440 struct qeth_qdio_buffer bufs[QDIO_MAX_BUFFERS_PER_Q]; 441 int next_buf_to_init; 442 }; 443 444 struct qeth_qdio_out_buffer { 445 struct qdio_buffer *buffer; 446 atomic_t state; 447 int next_element_to_fill; 448 struct sk_buff_head skb_list; 449 int is_header[16]; 450 451 struct qaob *aob; 452 struct qeth_qdio_out_q *q; 453 struct qeth_qdio_out_buffer *next_pending; 454 }; 455 456 struct qeth_card; 457 458 enum qeth_out_q_states { 459 QETH_OUT_Q_UNLOCKED, 460 QETH_OUT_Q_LOCKED, 461 QETH_OUT_Q_LOCKED_FLUSH, 462 }; 463 464 struct qeth_qdio_out_q { 465 struct qdio_buffer *qdio_bufs[QDIO_MAX_BUFFERS_PER_Q]; 466 struct qeth_qdio_out_buffer *bufs[QDIO_MAX_BUFFERS_PER_Q]; 467 struct qdio_outbuf_state *bufstates; /* convenience pointer */ 468 int queue_no; 469 struct qeth_card *card; 470 atomic_t state; 471 int do_pack; 472 /* 473 * index of buffer to be filled by driver; state EMPTY or PACKING 474 */ 475 int next_buf_to_fill; 476 /* 477 * number of buffers that are currently filled (PRIMED) 478 * -> these buffers are hardware-owned 479 */ 480 atomic_t used_buffers; 481 /* indicates whether PCI flag must be set (or if one is outstanding) */ 482 atomic_t set_pci_flags_count; 483 }; 484 485 struct qeth_qdio_info { 486 atomic_t state; 487 /* input */ 488 int no_in_queues; 489 struct qeth_qdio_q *in_q; 490 struct qeth_qdio_q *c_q; 491 struct qeth_qdio_buffer_pool in_buf_pool; 492 struct qeth_qdio_buffer_pool init_pool; 493 int in_buf_size; 494 495 /* output */ 496 int no_out_queues; 497 struct qeth_qdio_out_q **out_qs; 498 struct qdio_outbuf_state *out_bufstates; 499 500 /* priority queueing */ 501 int do_prio_queueing; 502 int default_out_queue; 503 }; 504 505 enum qeth_send_errors { 506 QETH_SEND_ERROR_NONE, 507 QETH_SEND_ERROR_LINK_FAILURE, 508 QETH_SEND_ERROR_RETRY, 509 QETH_SEND_ERROR_KICK_IT, 510 }; 511 512 #define QETH_ETH_MAC_V4 0x0100 /* like v4 */ 513 #define QETH_ETH_MAC_V6 0x3333 /* like v6 */ 514 /* tr mc mac is longer, but that will be enough to detect mc frames */ 515 #define QETH_TR_MAC_NC 0xc000 /* non-canonical */ 516 #define QETH_TR_MAC_C 0x0300 /* canonical */ 517 518 #define DEFAULT_ADD_HHLEN 0 519 #define MAX_ADD_HHLEN 1024 520 521 /** 522 * buffer stuff for read channel 523 */ 524 #define QETH_CMD_BUFFER_NO 8 525 526 /** 527 * channel state machine 528 */ 529 enum qeth_channel_states { 530 CH_STATE_UP, 531 CH_STATE_DOWN, 532 CH_STATE_ACTIVATING, 533 CH_STATE_HALTED, 534 CH_STATE_STOPPED, 535 CH_STATE_RCD, 536 CH_STATE_RCD_DONE, 537 }; 538 /** 539 * card state machine 540 */ 541 enum qeth_card_states { 542 CARD_STATE_DOWN, 543 CARD_STATE_HARDSETUP, 544 CARD_STATE_SOFTSETUP, 545 CARD_STATE_UP, 546 CARD_STATE_RECOVER, 547 }; 548 549 /** 550 * Protocol versions 551 */ 552 enum qeth_prot_versions { 553 QETH_PROT_IPV4 = 0x0004, 554 QETH_PROT_IPV6 = 0x0006, 555 }; 556 557 enum qeth_ip_types { 558 QETH_IP_TYPE_NORMAL, 559 QETH_IP_TYPE_VIPA, 560 QETH_IP_TYPE_RXIP, 561 QETH_IP_TYPE_DEL_ALL_MC, 562 }; 563 564 enum qeth_cmd_buffer_state { 565 BUF_STATE_FREE, 566 BUF_STATE_LOCKED, 567 BUF_STATE_PROCESSED, 568 }; 569 570 enum qeth_cq { 571 QETH_CQ_DISABLED = 0, 572 QETH_CQ_ENABLED = 1, 573 QETH_CQ_NOTAVAILABLE = 2, 574 }; 575 576 struct qeth_ipato { 577 int enabled; 578 int invert4; 579 int invert6; 580 struct list_head entries; 581 }; 582 583 struct qeth_channel; 584 585 struct qeth_cmd_buffer { 586 enum qeth_cmd_buffer_state state; 587 struct qeth_channel *channel; 588 unsigned char *data; 589 int rc; 590 void (*callback) (struct qeth_channel *, struct qeth_cmd_buffer *); 591 }; 592 593 /** 594 * definition of a qeth channel, used for read and write 595 */ 596 struct qeth_channel { 597 enum qeth_channel_states state; 598 struct ccw1 ccw; 599 spinlock_t iob_lock; 600 wait_queue_head_t wait_q; 601 struct ccw_device *ccwdev; 602 /*command buffer for control data*/ 603 struct qeth_cmd_buffer iob[QETH_CMD_BUFFER_NO]; 604 atomic_t irq_pending; 605 int io_buf_no; 606 int buf_no; 607 }; 608 609 /** 610 * OSA card related definitions 611 */ 612 struct qeth_token { 613 __u32 issuer_rm_w; 614 __u32 issuer_rm_r; 615 __u32 cm_filter_w; 616 __u32 cm_filter_r; 617 __u32 cm_connection_w; 618 __u32 cm_connection_r; 619 __u32 ulp_filter_w; 620 __u32 ulp_filter_r; 621 __u32 ulp_connection_w; 622 __u32 ulp_connection_r; 623 }; 624 625 struct qeth_seqno { 626 __u32 trans_hdr; 627 __u32 pdu_hdr; 628 __u32 pdu_hdr_ack; 629 __u16 ipa; 630 __u32 pkt_seqno; 631 }; 632 633 struct qeth_reply { 634 struct list_head list; 635 wait_queue_head_t wait_q; 636 int (*callback)(struct qeth_card *, struct qeth_reply *, 637 unsigned long); 638 u32 seqno; 639 unsigned long offset; 640 atomic_t received; 641 int rc; 642 void *param; 643 struct qeth_card *card; 644 atomic_t refcnt; 645 }; 646 647 648 struct qeth_card_blkt { 649 int time_total; 650 int inter_packet; 651 int inter_packet_jumbo; 652 }; 653 654 #define QETH_BROADCAST_WITH_ECHO 0x01 655 #define QETH_BROADCAST_WITHOUT_ECHO 0x02 656 #define QETH_LAYER2_MAC_READ 0x01 657 #define QETH_LAYER2_MAC_REGISTERED 0x02 658 struct qeth_card_info { 659 unsigned short unit_addr2; 660 unsigned short cula; 661 unsigned short chpid; 662 __u16 func_level; 663 char mcl_level[QETH_MCL_LENGTH + 1]; 664 int guestlan; 665 int mac_bits; 666 int portname_required; 667 int portno; 668 char portname[9]; 669 enum qeth_card_types type; 670 enum qeth_link_types link_type; 671 int is_multicast_different; 672 int initial_mtu; 673 int max_mtu; 674 int broadcast_capable; 675 int unique_id; 676 struct qeth_card_blkt blkt; 677 __u32 csum_mask; 678 __u32 tx_csum_mask; 679 enum qeth_ipa_promisc_modes promisc_mode; 680 __u32 diagass_support; 681 __u32 hwtrap; 682 }; 683 684 struct qeth_card_options { 685 struct qeth_routing_info route4; 686 struct qeth_ipa_info ipa4; 687 struct qeth_ipa_info adp; /*Adapter parameters*/ 688 struct qeth_routing_info route6; 689 struct qeth_ipa_info ipa6; 690 struct qeth_sbp_info sbp; /* SETBRIDGEPORT options */ 691 int fake_broadcast; 692 int add_hhlen; 693 int layer2; 694 int performance_stats; 695 int rx_sg_cb; 696 enum qeth_ipa_isolation_modes isolation; 697 enum qeth_ipa_isolation_modes prev_isolation; 698 int sniffer; 699 enum qeth_cq cq; 700 char hsuid[9]; 701 }; 702 703 /* 704 * thread bits for qeth_card thread masks 705 */ 706 enum qeth_threads { 707 QETH_RECOVER_THREAD = 1, 708 }; 709 710 struct qeth_osn_info { 711 int (*assist_cb)(struct net_device *dev, void *data); 712 int (*data_cb)(struct sk_buff *skb); 713 }; 714 715 enum qeth_discipline_id { 716 QETH_DISCIPLINE_LAYER3 = 0, 717 QETH_DISCIPLINE_LAYER2 = 1, 718 }; 719 720 struct qeth_discipline { 721 void (*start_poll)(struct ccw_device *, int, unsigned long); 722 qdio_handler_t *input_handler; 723 qdio_handler_t *output_handler; 724 int (*recover)(void *ptr); 725 int (*setup) (struct ccwgroup_device *); 726 void (*remove) (struct ccwgroup_device *); 727 int (*set_online) (struct ccwgroup_device *); 728 int (*set_offline) (struct ccwgroup_device *); 729 void (*shutdown)(struct ccwgroup_device *); 730 int (*prepare) (struct ccwgroup_device *); 731 void (*complete) (struct ccwgroup_device *); 732 int (*freeze)(struct ccwgroup_device *); 733 int (*thaw) (struct ccwgroup_device *); 734 int (*restore)(struct ccwgroup_device *); 735 int (*control_event_handler)(struct qeth_card *card, 736 struct qeth_ipa_cmd *cmd); 737 }; 738 739 struct qeth_vlan_vid { 740 struct list_head list; 741 unsigned short vid; 742 }; 743 744 struct qeth_mc_mac { 745 struct list_head list; 746 __u8 mc_addr[MAX_ADDR_LEN]; 747 unsigned char mc_addrlen; 748 int is_vmac; 749 }; 750 751 struct qeth_rx { 752 int b_count; 753 int b_index; 754 struct qdio_buffer_element *b_element; 755 int e_offset; 756 int qdio_err; 757 }; 758 759 struct carrier_info { 760 __u8 card_type; 761 __u16 port_mode; 762 __u32 port_speed; 763 }; 764 765 struct qeth_switch_info { 766 __u32 capabilities; 767 __u32 settings; 768 }; 769 770 #define QETH_NAPI_WEIGHT NAPI_POLL_WEIGHT 771 772 struct qeth_card { 773 struct list_head list; 774 enum qeth_card_states state; 775 int lan_online; 776 spinlock_t lock; 777 struct ccwgroup_device *gdev; 778 struct qeth_channel read; 779 struct qeth_channel write; 780 struct qeth_channel data; 781 782 struct net_device *dev; 783 struct net_device_stats stats; 784 785 struct qeth_card_info info; 786 struct qeth_token token; 787 struct qeth_seqno seqno; 788 struct qeth_card_options options; 789 790 wait_queue_head_t wait_q; 791 spinlock_t vlanlock; 792 spinlock_t mclock; 793 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; 794 struct list_head vid_list; 795 struct list_head mc_list; 796 struct work_struct kernel_thread_starter; 797 spinlock_t thread_mask_lock; 798 unsigned long thread_start_mask; 799 unsigned long thread_allowed_mask; 800 unsigned long thread_running_mask; 801 struct task_struct *recovery_task; 802 spinlock_t ip_lock; 803 struct list_head ip_list; 804 struct list_head *ip_tbd_list; 805 struct qeth_ipato ipato; 806 struct list_head cmd_waiter_list; 807 /* QDIO buffer handling */ 808 struct qeth_qdio_info qdio; 809 struct qeth_perf_stats perf_stats; 810 int read_or_write_problem; 811 struct qeth_osn_info osn_info; 812 struct qeth_discipline *discipline; 813 atomic_t force_alloc_skb; 814 struct service_level qeth_service_level; 815 struct qdio_ssqd_desc ssqd; 816 debug_info_t *debug; 817 struct mutex conf_mutex; 818 struct mutex discipline_mutex; 819 struct napi_struct napi; 820 struct qeth_rx rx; 821 struct delayed_work buffer_reclaim_work; 822 int reclaim_index; 823 struct work_struct close_dev_work; 824 }; 825 826 struct qeth_card_list_struct { 827 struct list_head list; 828 rwlock_t rwlock; 829 }; 830 831 struct qeth_trap_id { 832 __u16 lparnr; 833 char vmname[8]; 834 __u8 chpid; 835 __u8 ssid; 836 __u16 devno; 837 } __packed; 838 839 /*some helper functions*/ 840 #define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "") 841 842 static inline int qeth_get_micros(void) 843 { 844 return (int) (get_tod_clock() >> 12); 845 } 846 847 static inline int qeth_get_ip_version(struct sk_buff *skb) 848 { 849 __be16 *p = &((struct ethhdr *)skb->data)->h_proto; 850 851 if (*p == ETH_P_8021Q) 852 p += 2; 853 switch (*p) { 854 case ETH_P_IPV6: 855 return 6; 856 case ETH_P_IP: 857 return 4; 858 default: 859 return 0; 860 } 861 } 862 863 static inline void qeth_put_buffer_pool_entry(struct qeth_card *card, 864 struct qeth_buffer_pool_entry *entry) 865 { 866 list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list); 867 } 868 869 static inline int qeth_is_diagass_supported(struct qeth_card *card, 870 enum qeth_diags_cmds cmd) 871 { 872 return card->info.diagass_support & (__u32)cmd; 873 } 874 875 extern struct qeth_discipline qeth_l2_discipline; 876 extern struct qeth_discipline qeth_l3_discipline; 877 extern const struct attribute_group *qeth_generic_attr_groups[]; 878 extern const struct attribute_group *qeth_osn_attr_groups[]; 879 extern struct workqueue_struct *qeth_wq; 880 881 int qeth_card_hw_is_reachable(struct qeth_card *); 882 const char *qeth_get_cardname_short(struct qeth_card *); 883 int qeth_realloc_buffer_pool(struct qeth_card *, int); 884 int qeth_core_load_discipline(struct qeth_card *, enum qeth_discipline_id); 885 void qeth_core_free_discipline(struct qeth_card *); 886 887 /* exports for qeth discipline device drivers */ 888 extern struct qeth_card_list_struct qeth_core_card_list; 889 extern struct kmem_cache *qeth_core_header_cache; 890 extern struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS]; 891 892 void qeth_set_recovery_task(struct qeth_card *); 893 void qeth_clear_recovery_task(struct qeth_card *); 894 void qeth_set_allowed_threads(struct qeth_card *, unsigned long , int); 895 int qeth_threads_running(struct qeth_card *, unsigned long); 896 int qeth_wait_for_threads(struct qeth_card *, unsigned long); 897 int qeth_do_run_thread(struct qeth_card *, unsigned long); 898 void qeth_clear_thread_start_bit(struct qeth_card *, unsigned long); 899 void qeth_clear_thread_running_bit(struct qeth_card *, unsigned long); 900 int qeth_core_hardsetup_card(struct qeth_card *); 901 void qeth_print_status_message(struct qeth_card *); 902 int qeth_init_qdio_queues(struct qeth_card *); 903 int qeth_send_startlan(struct qeth_card *); 904 int qeth_send_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, 905 int (*reply_cb) 906 (struct qeth_card *, struct qeth_reply *, unsigned long), 907 void *); 908 struct qeth_cmd_buffer *qeth_get_ipacmd_buffer(struct qeth_card *, 909 enum qeth_ipa_cmds, enum qeth_prot_versions); 910 int qeth_query_setadapterparms(struct qeth_card *); 911 int qeth_check_qdio_errors(struct qeth_card *, struct qdio_buffer *, 912 unsigned int, const char *); 913 void qeth_queue_input_buffer(struct qeth_card *, int); 914 struct sk_buff *qeth_core_get_next_skb(struct qeth_card *, 915 struct qeth_qdio_buffer *, struct qdio_buffer_element **, int *, 916 struct qeth_hdr **); 917 void qeth_schedule_recovery(struct qeth_card *); 918 void qeth_qdio_start_poll(struct ccw_device *, int, unsigned long); 919 void qeth_qdio_input_handler(struct ccw_device *, 920 unsigned int, unsigned int, int, 921 int, unsigned long); 922 void qeth_qdio_output_handler(struct ccw_device *, unsigned int, 923 int, int, int, unsigned long); 924 void qeth_clear_ipacmd_list(struct qeth_card *); 925 int qeth_qdio_clear_card(struct qeth_card *, int); 926 void qeth_clear_working_pool_list(struct qeth_card *); 927 void qeth_clear_cmd_buffers(struct qeth_channel *); 928 void qeth_clear_qdio_buffers(struct qeth_card *); 929 void qeth_setadp_promisc_mode(struct qeth_card *); 930 struct net_device_stats *qeth_get_stats(struct net_device *); 931 int qeth_change_mtu(struct net_device *, int); 932 int qeth_setadpparms_change_macaddr(struct qeth_card *); 933 void qeth_tx_timeout(struct net_device *); 934 void qeth_prepare_control_data(struct qeth_card *, int, 935 struct qeth_cmd_buffer *); 936 void qeth_release_buffer(struct qeth_channel *, struct qeth_cmd_buffer *); 937 void qeth_prepare_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, char); 938 struct qeth_cmd_buffer *qeth_wait_for_buffer(struct qeth_channel *); 939 int qeth_mdio_read(struct net_device *, int, int); 940 int qeth_snmp_command(struct qeth_card *, char __user *); 941 int qeth_query_oat_command(struct qeth_card *, char __user *); 942 int qeth_query_switch_attributes(struct qeth_card *card, 943 struct qeth_switch_info *sw_info); 944 int qeth_send_control_data(struct qeth_card *, int, struct qeth_cmd_buffer *, 945 int (*reply_cb)(struct qeth_card *, struct qeth_reply*, unsigned long), 946 void *reply_param); 947 int qeth_bridgeport_query_ports(struct qeth_card *card, 948 enum qeth_sbp_roles *role, enum qeth_sbp_states *state); 949 int qeth_bridgeport_setrole(struct qeth_card *card, enum qeth_sbp_roles role); 950 int qeth_bridgeport_an_set(struct qeth_card *card, int enable); 951 int qeth_get_priority_queue(struct qeth_card *, struct sk_buff *, int, int); 952 int qeth_get_elements_no(struct qeth_card *, struct sk_buff *, int); 953 int qeth_get_elements_for_frags(struct sk_buff *); 954 int qeth_do_send_packet_fast(struct qeth_card *, struct qeth_qdio_out_q *, 955 struct sk_buff *, struct qeth_hdr *, int, int, int); 956 int qeth_do_send_packet(struct qeth_card *, struct qeth_qdio_out_q *, 957 struct sk_buff *, struct qeth_hdr *, int); 958 int qeth_core_get_sset_count(struct net_device *, int); 959 void qeth_core_get_ethtool_stats(struct net_device *, 960 struct ethtool_stats *, u64 *); 961 void qeth_core_get_strings(struct net_device *, u32, u8 *); 962 void qeth_core_get_drvinfo(struct net_device *, struct ethtool_drvinfo *); 963 void qeth_dbf_longtext(debug_info_t *id, int level, char *text, ...); 964 int qeth_core_ethtool_get_settings(struct net_device *, struct ethtool_cmd *); 965 int qeth_set_access_ctrl_online(struct qeth_card *card, int fallback); 966 int qeth_hdr_chk_and_bounce(struct sk_buff *, struct qeth_hdr **, int); 967 int qeth_configure_cq(struct qeth_card *, enum qeth_cq); 968 int qeth_hw_trap(struct qeth_card *, enum qeth_diags_trap_action); 969 int qeth_query_ipassists(struct qeth_card *, enum qeth_prot_versions prot); 970 void qeth_trace_features(struct qeth_card *); 971 void qeth_close_dev(struct qeth_card *); 972 973 /* exports for OSN */ 974 int qeth_osn_assist(struct net_device *, void *, int); 975 int qeth_osn_register(unsigned char *read_dev_no, struct net_device **, 976 int (*assist_cb)(struct net_device *, void *), 977 int (*data_cb)(struct sk_buff *)); 978 void qeth_osn_deregister(struct net_device *); 979 980 #endif /* __QETH_CORE_H__ */ 981