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 #include <linux/hashtable.h> 22 23 #include <net/ipv6.h> 24 #include <net/if_inet6.h> 25 #include <net/addrconf.h> 26 27 #include <asm/debug.h> 28 #include <asm/qdio.h> 29 #include <asm/ccwdev.h> 30 #include <asm/ccwgroup.h> 31 #include <asm/sysinfo.h> 32 33 #include "qeth_core_mpc.h" 34 35 /** 36 * Debug Facility stuff 37 */ 38 enum qeth_dbf_names { 39 QETH_DBF_SETUP, 40 QETH_DBF_MSG, 41 QETH_DBF_CTRL, 42 QETH_DBF_INFOS /* must be last element */ 43 }; 44 45 struct qeth_dbf_info { 46 char name[DEBUG_MAX_NAME_LEN]; 47 int pages; 48 int areas; 49 int len; 50 int level; 51 struct debug_view *view; 52 debug_info_t *id; 53 }; 54 55 #define QETH_DBF_CTRL_LEN 256 56 57 #define QETH_DBF_TEXT(name, level, text) \ 58 debug_text_event(qeth_dbf[QETH_DBF_##name].id, level, text) 59 60 #define QETH_DBF_HEX(name, level, addr, len) \ 61 debug_event(qeth_dbf[QETH_DBF_##name].id, level, (void *)(addr), len) 62 63 #define QETH_DBF_MESSAGE(level, text...) \ 64 debug_sprintf_event(qeth_dbf[QETH_DBF_MSG].id, level, text) 65 66 #define QETH_DBF_TEXT_(name, level, text...) \ 67 qeth_dbf_longtext(qeth_dbf[QETH_DBF_##name].id, level, text) 68 69 #define QETH_CARD_TEXT(card, level, text) \ 70 debug_text_event(card->debug, level, text) 71 72 #define QETH_CARD_HEX(card, level, addr, len) \ 73 debug_event(card->debug, level, (void *)(addr), len) 74 75 #define QETH_CARD_MESSAGE(card, text...) \ 76 debug_sprintf_event(card->debug, level, text) 77 78 #define QETH_CARD_TEXT_(card, level, text...) \ 79 qeth_dbf_longtext(card->debug, level, text) 80 81 #define SENSE_COMMAND_REJECT_BYTE 0 82 #define SENSE_COMMAND_REJECT_FLAG 0x80 83 #define SENSE_RESETTING_EVENT_BYTE 1 84 #define SENSE_RESETTING_EVENT_FLAG 0x80 85 86 /* 87 * Common IO related definitions 88 */ 89 #define CARD_RDEV(card) card->read.ccwdev 90 #define CARD_WDEV(card) card->write.ccwdev 91 #define CARD_DDEV(card) card->data.ccwdev 92 #define CARD_BUS_ID(card) dev_name(&card->gdev->dev) 93 #define CARD_RDEV_ID(card) dev_name(&card->read.ccwdev->dev) 94 #define CARD_WDEV_ID(card) dev_name(&card->write.ccwdev->dev) 95 #define CARD_DDEV_ID(card) dev_name(&card->data.ccwdev->dev) 96 #define CHANNEL_ID(channel) dev_name(&channel->ccwdev->dev) 97 98 /** 99 * card stuff 100 */ 101 struct qeth_perf_stats { 102 unsigned int bufs_rec; 103 unsigned int bufs_sent; 104 105 unsigned int skbs_sent_pack; 106 unsigned int bufs_sent_pack; 107 108 unsigned int sc_dp_p; 109 unsigned int sc_p_dp; 110 /* qdio_cq_handler: number of times called, time spent in */ 111 __u64 cq_start_time; 112 unsigned int cq_cnt; 113 unsigned int cq_time; 114 /* qdio_input_handler: number of times called, time spent in */ 115 __u64 inbound_start_time; 116 unsigned int inbound_cnt; 117 unsigned int inbound_time; 118 /* qeth_send_packet: number of times called, time spent in */ 119 __u64 outbound_start_time; 120 unsigned int outbound_cnt; 121 unsigned int outbound_time; 122 /* qdio_output_handler: number of times called, time spent in */ 123 __u64 outbound_handler_start_time; 124 unsigned int outbound_handler_cnt; 125 unsigned int outbound_handler_time; 126 /* number of calls to and time spent in do_QDIO for inbound queue */ 127 __u64 inbound_do_qdio_start_time; 128 unsigned int inbound_do_qdio_cnt; 129 unsigned int inbound_do_qdio_time; 130 /* number of calls to and time spent in do_QDIO for outbound queues */ 131 __u64 outbound_do_qdio_start_time; 132 unsigned int outbound_do_qdio_cnt; 133 unsigned int outbound_do_qdio_time; 134 unsigned int large_send_bytes; 135 unsigned int large_send_cnt; 136 unsigned int sg_skbs_sent; 137 unsigned int sg_frags_sent; 138 /* initial values when measuring starts */ 139 unsigned long initial_rx_packets; 140 unsigned long initial_tx_packets; 141 /* inbound scatter gather data */ 142 unsigned int sg_skbs_rx; 143 unsigned int sg_frags_rx; 144 unsigned int sg_alloc_page_rx; 145 unsigned int tx_csum; 146 unsigned int tx_lin; 147 }; 148 149 /* Routing stuff */ 150 struct qeth_routing_info { 151 enum qeth_routing_types type; 152 }; 153 154 /* IPA stuff */ 155 struct qeth_ipa_info { 156 __u32 supported_funcs; 157 __u32 enabled_funcs; 158 }; 159 160 /* SETBRIDGEPORT stuff */ 161 enum qeth_sbp_roles { 162 QETH_SBP_ROLE_NONE = 0, 163 QETH_SBP_ROLE_PRIMARY = 1, 164 QETH_SBP_ROLE_SECONDARY = 2, 165 }; 166 167 enum qeth_sbp_states { 168 QETH_SBP_STATE_INACTIVE = 0, 169 QETH_SBP_STATE_STANDBY = 1, 170 QETH_SBP_STATE_ACTIVE = 2, 171 }; 172 173 #define QETH_SBP_HOST_NOTIFICATION 1 174 175 struct qeth_sbp_info { 176 __u32 supported_funcs; 177 enum qeth_sbp_roles role; 178 __u32 hostnotification:1; 179 __u32 reflect_promisc:1; 180 __u32 reflect_promisc_primary:1; 181 }; 182 183 static inline int qeth_is_ipa_supported(struct qeth_ipa_info *ipa, 184 enum qeth_ipa_funcs func) 185 { 186 return (ipa->supported_funcs & func); 187 } 188 189 static inline int qeth_is_ipa_enabled(struct qeth_ipa_info *ipa, 190 enum qeth_ipa_funcs func) 191 { 192 return (ipa->supported_funcs & ipa->enabled_funcs & func); 193 } 194 195 #define qeth_adp_supported(c, f) \ 196 qeth_is_ipa_supported(&c->options.adp, f) 197 #define qeth_adp_enabled(c, f) \ 198 qeth_is_ipa_enabled(&c->options.adp, f) 199 #define qeth_is_supported(c, f) \ 200 qeth_is_ipa_supported(&c->options.ipa4, f) 201 #define qeth_is_enabled(c, f) \ 202 qeth_is_ipa_enabled(&c->options.ipa4, f) 203 #define qeth_is_supported6(c, f) \ 204 qeth_is_ipa_supported(&c->options.ipa6, f) 205 #define qeth_is_enabled6(c, f) \ 206 qeth_is_ipa_enabled(&c->options.ipa6, f) 207 #define qeth_is_ipafunc_supported(c, prot, f) \ 208 ((prot == QETH_PROT_IPV6) ? \ 209 qeth_is_supported6(c, f) : qeth_is_supported(c, f)) 210 #define qeth_is_ipafunc_enabled(c, prot, f) \ 211 ((prot == QETH_PROT_IPV6) ? \ 212 qeth_is_enabled6(c, f) : qeth_is_enabled(c, f)) 213 214 #define QETH_IDX_FUNC_LEVEL_OSD 0x0101 215 #define QETH_IDX_FUNC_LEVEL_IQD 0x4108 216 217 #define QETH_MODELLIST_ARRAY \ 218 {{0x1731, 0x01, 0x1732, QETH_CARD_TYPE_OSD, QETH_MAX_QUEUES, 0}, \ 219 {0x1731, 0x05, 0x1732, QETH_CARD_TYPE_IQD, QETH_MAX_QUEUES, 0x103}, \ 220 {0x1731, 0x06, 0x1732, QETH_CARD_TYPE_OSN, QETH_MAX_QUEUES, 0}, \ 221 {0x1731, 0x02, 0x1732, QETH_CARD_TYPE_OSM, QETH_MAX_QUEUES, 0}, \ 222 {0x1731, 0x02, 0x1732, QETH_CARD_TYPE_OSX, QETH_MAX_QUEUES, 0}, \ 223 {0, 0, 0, 0, 0, 0} } 224 #define QETH_CU_TYPE_IND 0 225 #define QETH_CU_MODEL_IND 1 226 #define QETH_DEV_TYPE_IND 2 227 #define QETH_DEV_MODEL_IND 3 228 #define QETH_QUEUE_NO_IND 4 229 #define QETH_MULTICAST_IND 5 230 231 #define QETH_REAL_CARD 1 232 #define QETH_VLAN_CARD 2 233 #define QETH_BUFSIZE 4096 234 235 /** 236 * some more defs 237 */ 238 #define QETH_TX_TIMEOUT 100 * HZ 239 #define QETH_RCD_TIMEOUT 60 * HZ 240 #define QETH_RECLAIM_WORK_TIME HZ 241 #define QETH_HEADER_SIZE 32 242 #define QETH_MAX_PORTNO 15 243 244 /*IPv6 address autoconfiguration stuff*/ 245 #define UNIQUE_ID_IF_CREATE_ADDR_FAILED 0xfffe 246 #define UNIQUE_ID_NOT_BY_CARD 0x10000 247 248 /*****************************************************************************/ 249 /* QDIO queue and buffer handling */ 250 /*****************************************************************************/ 251 #define QETH_MAX_QUEUES 4 252 #define QETH_IN_BUF_SIZE_DEFAULT 65536 253 #define QETH_IN_BUF_COUNT_DEFAULT 64 254 #define QETH_IN_BUF_COUNT_HSDEFAULT 128 255 #define QETH_IN_BUF_COUNT_MIN 8 256 #define QETH_IN_BUF_COUNT_MAX 128 257 #define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12) 258 #define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \ 259 ((card)->qdio.in_buf_pool.buf_count / 2) 260 261 /* buffers we have to be behind before we get a PCI */ 262 #define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1) 263 /*enqueued free buffers left before we get a PCI*/ 264 #define QETH_PCI_THRESHOLD_B(card) 0 265 /*not used unless the microcode gets patched*/ 266 #define QETH_PCI_TIMER_VALUE(card) 3 267 268 /* priority queing */ 269 #define QETH_PRIOQ_DEFAULT QETH_NO_PRIO_QUEUEING 270 #define QETH_DEFAULT_QUEUE 2 271 #define QETH_NO_PRIO_QUEUEING 0 272 #define QETH_PRIO_Q_ING_PREC 1 273 #define QETH_PRIO_Q_ING_TOS 2 274 #define QETH_PRIO_Q_ING_SKB 3 275 #define QETH_PRIO_Q_ING_VLAN 4 276 277 /* Packing */ 278 #define QETH_LOW_WATERMARK_PACK 2 279 #define QETH_HIGH_WATERMARK_PACK 5 280 #define QETH_WATERMARK_PACK_FUZZ 1 281 282 #define QETH_IP_HEADER_SIZE 40 283 284 /* large receive scatter gather copy break */ 285 #define QETH_RX_SG_CB (PAGE_SIZE >> 1) 286 #define QETH_RX_PULL_LEN 256 287 288 struct qeth_hdr_layer3 { 289 __u8 id; 290 __u8 flags; 291 __u16 inbound_checksum; /*TSO:__u16 seqno */ 292 __u32 token; /*TSO: __u32 reserved */ 293 __u16 length; 294 __u8 vlan_prio; 295 __u8 ext_flags; 296 __u16 vlan_id; 297 __u16 frame_offset; 298 __u8 dest_addr[16]; 299 } __attribute__ ((packed)); 300 301 struct qeth_hdr_layer2 { 302 __u8 id; 303 __u8 flags[3]; 304 __u8 port_no; 305 __u8 hdr_length; 306 __u16 pkt_length; 307 __u16 seq_no; 308 __u16 vlan_id; 309 __u32 reserved; 310 __u8 reserved2[16]; 311 } __attribute__ ((packed)); 312 313 struct qeth_hdr_osn { 314 __u8 id; 315 __u8 reserved; 316 __u16 seq_no; 317 __u16 reserved2; 318 __u16 control_flags; 319 __u16 pdu_length; 320 __u8 reserved3[18]; 321 __u32 ccid; 322 } __attribute__ ((packed)); 323 324 struct qeth_hdr { 325 union { 326 struct qeth_hdr_layer2 l2; 327 struct qeth_hdr_layer3 l3; 328 struct qeth_hdr_osn osn; 329 } hdr; 330 } __attribute__ ((packed)); 331 332 /*TCP Segmentation Offload header*/ 333 struct qeth_hdr_ext_tso { 334 __u16 hdr_tot_len; 335 __u8 imb_hdr_no; 336 __u8 reserved; 337 __u8 hdr_type; 338 __u8 hdr_version; 339 __u16 hdr_len; 340 __u32 payload_len; 341 __u16 mss; 342 __u16 dg_hdr_len; 343 __u8 padding[16]; 344 } __attribute__ ((packed)); 345 346 struct qeth_hdr_tso { 347 struct qeth_hdr hdr; /*hdr->hdr.l3.xxx*/ 348 struct qeth_hdr_ext_tso ext; 349 } __attribute__ ((packed)); 350 351 352 /* flags for qeth_hdr.flags */ 353 #define QETH_HDR_PASSTHRU 0x10 354 #define QETH_HDR_IPV6 0x80 355 #define QETH_HDR_CAST_MASK 0x07 356 enum qeth_cast_flags { 357 QETH_CAST_UNICAST = 0x06, 358 QETH_CAST_MULTICAST = 0x04, 359 QETH_CAST_BROADCAST = 0x05, 360 QETH_CAST_ANYCAST = 0x07, 361 QETH_CAST_NOCAST = 0x00, 362 }; 363 364 enum qeth_layer2_frame_flags { 365 QETH_LAYER2_FLAG_MULTICAST = 0x01, 366 QETH_LAYER2_FLAG_BROADCAST = 0x02, 367 QETH_LAYER2_FLAG_UNICAST = 0x04, 368 QETH_LAYER2_FLAG_VLAN = 0x10, 369 }; 370 371 enum qeth_header_ids { 372 QETH_HEADER_TYPE_LAYER3 = 0x01, 373 QETH_HEADER_TYPE_LAYER2 = 0x02, 374 QETH_HEADER_TYPE_TSO = 0x03, 375 QETH_HEADER_TYPE_OSN = 0x04, 376 }; 377 /* flags for qeth_hdr.ext_flags */ 378 #define QETH_HDR_EXT_VLAN_FRAME 0x01 379 #define QETH_HDR_EXT_TOKEN_ID 0x02 380 #define QETH_HDR_EXT_INCLUDE_VLAN_TAG 0x04 381 #define QETH_HDR_EXT_SRC_MAC_ADDR 0x08 382 #define QETH_HDR_EXT_CSUM_HDR_REQ 0x10 383 #define QETH_HDR_EXT_CSUM_TRANSP_REQ 0x20 384 #define QETH_HDR_EXT_UDP 0x40 /*bit off for TCP*/ 385 386 enum qeth_qdio_buffer_states { 387 /* 388 * inbound: read out by driver; owned by hardware in order to be filled 389 * outbound: owned by driver in order to be filled 390 */ 391 QETH_QDIO_BUF_EMPTY, 392 /* 393 * inbound: filled by hardware; owned by driver in order to be read out 394 * outbound: filled by driver; owned by hardware in order to be sent 395 */ 396 QETH_QDIO_BUF_PRIMED, 397 /* 398 * inbound: not applicable 399 * outbound: identified to be pending in TPQ 400 */ 401 QETH_QDIO_BUF_PENDING, 402 /* 403 * inbound: not applicable 404 * outbound: found in completion queue 405 */ 406 QETH_QDIO_BUF_IN_CQ, 407 /* 408 * inbound: not applicable 409 * outbound: handled via transfer pending / completion queue 410 */ 411 QETH_QDIO_BUF_HANDLED_DELAYED, 412 }; 413 414 enum qeth_qdio_info_states { 415 QETH_QDIO_UNINITIALIZED, 416 QETH_QDIO_ALLOCATED, 417 QETH_QDIO_ESTABLISHED, 418 QETH_QDIO_CLEANING 419 }; 420 421 struct qeth_buffer_pool_entry { 422 struct list_head list; 423 struct list_head init_list; 424 void *elements[QDIO_MAX_ELEMENTS_PER_BUFFER]; 425 }; 426 427 struct qeth_qdio_buffer_pool { 428 struct list_head entry_list; 429 int buf_count; 430 }; 431 432 struct qeth_qdio_buffer { 433 struct qdio_buffer *buffer; 434 /* the buffer pool entry currently associated to this buffer */ 435 struct qeth_buffer_pool_entry *pool_entry; 436 struct sk_buff *rx_skb; 437 }; 438 439 struct qeth_qdio_q { 440 struct qdio_buffer *qdio_bufs[QDIO_MAX_BUFFERS_PER_Q]; 441 struct qeth_qdio_buffer bufs[QDIO_MAX_BUFFERS_PER_Q]; 442 int next_buf_to_init; 443 }; 444 445 struct qeth_qdio_out_buffer { 446 struct qdio_buffer *buffer; 447 atomic_t state; 448 int next_element_to_fill; 449 struct sk_buff_head skb_list; 450 int is_header[16]; 451 452 struct qaob *aob; 453 struct qeth_qdio_out_q *q; 454 struct qeth_qdio_out_buffer *next_pending; 455 }; 456 457 struct qeth_card; 458 459 enum qeth_out_q_states { 460 QETH_OUT_Q_UNLOCKED, 461 QETH_OUT_Q_LOCKED, 462 QETH_OUT_Q_LOCKED_FLUSH, 463 }; 464 465 struct qeth_qdio_out_q { 466 struct qdio_buffer *qdio_bufs[QDIO_MAX_BUFFERS_PER_Q]; 467 struct qeth_qdio_out_buffer *bufs[QDIO_MAX_BUFFERS_PER_Q]; 468 struct qdio_outbuf_state *bufstates; /* convenience pointer */ 469 int queue_no; 470 struct qeth_card *card; 471 atomic_t state; 472 int do_pack; 473 /* 474 * index of buffer to be filled by driver; state EMPTY or PACKING 475 */ 476 int next_buf_to_fill; 477 /* 478 * number of buffers that are currently filled (PRIMED) 479 * -> these buffers are hardware-owned 480 */ 481 atomic_t used_buffers; 482 /* indicates whether PCI flag must be set (or if one is outstanding) */ 483 atomic_t set_pci_flags_count; 484 }; 485 486 struct qeth_qdio_info { 487 atomic_t state; 488 /* input */ 489 int no_in_queues; 490 struct qeth_qdio_q *in_q; 491 struct qeth_qdio_q *c_q; 492 struct qeth_qdio_buffer_pool in_buf_pool; 493 struct qeth_qdio_buffer_pool init_pool; 494 int in_buf_size; 495 496 /* output */ 497 int no_out_queues; 498 struct qeth_qdio_out_q **out_qs; 499 struct qdio_outbuf_state *out_bufstates; 500 501 /* priority queueing */ 502 int do_prio_queueing; 503 int default_out_queue; 504 }; 505 506 enum qeth_send_errors { 507 QETH_SEND_ERROR_NONE, 508 QETH_SEND_ERROR_LINK_FAILURE, 509 QETH_SEND_ERROR_RETRY, 510 QETH_SEND_ERROR_KICK_IT, 511 }; 512 513 #define QETH_ETH_MAC_V4 0x0100 /* like v4 */ 514 #define QETH_ETH_MAC_V6 0x3333 /* like v6 */ 515 /* tr mc mac is longer, but that will be enough to detect mc frames */ 516 #define QETH_TR_MAC_NC 0xc000 /* non-canonical */ 517 #define QETH_TR_MAC_C 0x0300 /* canonical */ 518 519 #define DEFAULT_ADD_HHLEN 0 520 #define MAX_ADD_HHLEN 1024 521 522 /** 523 * buffer stuff for read channel 524 */ 525 #define QETH_CMD_BUFFER_NO 8 526 527 /** 528 * channel state machine 529 */ 530 enum qeth_channel_states { 531 CH_STATE_UP, 532 CH_STATE_DOWN, 533 CH_STATE_ACTIVATING, 534 CH_STATE_HALTED, 535 CH_STATE_STOPPED, 536 CH_STATE_RCD, 537 CH_STATE_RCD_DONE, 538 }; 539 /** 540 * card state machine 541 */ 542 enum qeth_card_states { 543 CARD_STATE_DOWN, 544 CARD_STATE_HARDSETUP, 545 CARD_STATE_SOFTSETUP, 546 CARD_STATE_UP, 547 CARD_STATE_RECOVER, 548 }; 549 550 /** 551 * Protocol versions 552 */ 553 enum qeth_prot_versions { 554 QETH_PROT_IPV4 = 0x0004, 555 QETH_PROT_IPV6 = 0x0006, 556 }; 557 558 enum qeth_ip_types { 559 QETH_IP_TYPE_NORMAL, 560 QETH_IP_TYPE_VIPA, 561 QETH_IP_TYPE_RXIP, 562 QETH_IP_TYPE_DEL_ALL_MC, 563 }; 564 565 enum qeth_cmd_buffer_state { 566 BUF_STATE_FREE, 567 BUF_STATE_LOCKED, 568 BUF_STATE_PROCESSED, 569 }; 570 571 enum qeth_cq { 572 QETH_CQ_DISABLED = 0, 573 QETH_CQ_ENABLED = 1, 574 QETH_CQ_NOTAVAILABLE = 2, 575 }; 576 577 struct qeth_ipato { 578 int enabled; 579 int invert4; 580 int invert6; 581 struct list_head entries; 582 }; 583 584 struct qeth_channel; 585 586 struct qeth_cmd_buffer { 587 enum qeth_cmd_buffer_state state; 588 struct qeth_channel *channel; 589 unsigned char *data; 590 int rc; 591 void (*callback) (struct qeth_channel *, struct qeth_cmd_buffer *); 592 }; 593 594 /** 595 * definition of a qeth channel, used for read and write 596 */ 597 struct qeth_channel { 598 enum qeth_channel_states state; 599 struct ccw1 ccw; 600 spinlock_t iob_lock; 601 wait_queue_head_t wait_q; 602 struct ccw_device *ccwdev; 603 /*command buffer for control data*/ 604 struct qeth_cmd_buffer iob[QETH_CMD_BUFFER_NO]; 605 atomic_t irq_pending; 606 int io_buf_no; 607 int buf_no; 608 }; 609 610 /** 611 * OSA card related definitions 612 */ 613 struct qeth_token { 614 __u32 issuer_rm_w; 615 __u32 issuer_rm_r; 616 __u32 cm_filter_w; 617 __u32 cm_filter_r; 618 __u32 cm_connection_w; 619 __u32 cm_connection_r; 620 __u32 ulp_filter_w; 621 __u32 ulp_filter_r; 622 __u32 ulp_connection_w; 623 __u32 ulp_connection_r; 624 }; 625 626 struct qeth_seqno { 627 __u32 trans_hdr; 628 __u32 pdu_hdr; 629 __u32 pdu_hdr_ack; 630 __u16 ipa; 631 __u32 pkt_seqno; 632 }; 633 634 struct qeth_reply { 635 struct list_head list; 636 wait_queue_head_t wait_q; 637 int (*callback)(struct qeth_card *, struct qeth_reply *, 638 unsigned long); 639 u32 seqno; 640 unsigned long offset; 641 atomic_t received; 642 int rc; 643 void *param; 644 struct qeth_card *card; 645 atomic_t refcnt; 646 }; 647 648 649 struct qeth_card_blkt { 650 int time_total; 651 int inter_packet; 652 int inter_packet_jumbo; 653 }; 654 655 #define QETH_BROADCAST_WITH_ECHO 0x01 656 #define QETH_BROADCAST_WITHOUT_ECHO 0x02 657 #define QETH_LAYER2_MAC_READ 0x01 658 #define QETH_LAYER2_MAC_REGISTERED 0x02 659 struct qeth_card_info { 660 unsigned short unit_addr2; 661 unsigned short cula; 662 unsigned short chpid; 663 __u16 func_level; 664 char mcl_level[QETH_MCL_LENGTH + 1]; 665 int guestlan; 666 int mac_bits; 667 int portno; 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 enum qeth_mac_disposition { 744 QETH_DISP_MAC_DELETE = 0, 745 QETH_DISP_MAC_DO_NOTHING = 1, 746 QETH_DISP_MAC_ADD = 2, 747 }; 748 749 struct qeth_mac { 750 u8 mac_addr[OSA_ADDR_LEN]; 751 u8 is_uc:1; 752 u8 disp_flag:2; 753 struct hlist_node hnode; 754 }; 755 756 struct qeth_rx { 757 int b_count; 758 int b_index; 759 struct qdio_buffer_element *b_element; 760 int e_offset; 761 int qdio_err; 762 }; 763 764 struct carrier_info { 765 __u8 card_type; 766 __u16 port_mode; 767 __u32 port_speed; 768 }; 769 770 struct qeth_switch_info { 771 __u32 capabilities; 772 __u32 settings; 773 }; 774 775 #define QETH_NAPI_WEIGHT NAPI_POLL_WEIGHT 776 777 struct qeth_card { 778 struct list_head list; 779 enum qeth_card_states state; 780 int lan_online; 781 spinlock_t lock; 782 struct ccwgroup_device *gdev; 783 struct qeth_channel read; 784 struct qeth_channel write; 785 struct qeth_channel data; 786 787 struct net_device *dev; 788 struct net_device_stats stats; 789 790 struct qeth_card_info info; 791 struct qeth_token token; 792 struct qeth_seqno seqno; 793 struct qeth_card_options options; 794 795 wait_queue_head_t wait_q; 796 spinlock_t vlanlock; 797 spinlock_t mclock; 798 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; 799 struct list_head vid_list; 800 DECLARE_HASHTABLE(mac_htable, 4); 801 struct work_struct kernel_thread_starter; 802 spinlock_t thread_mask_lock; 803 unsigned long thread_start_mask; 804 unsigned long thread_allowed_mask; 805 unsigned long thread_running_mask; 806 struct task_struct *recovery_task; 807 spinlock_t ip_lock; 808 struct list_head ip_list; 809 struct list_head *ip_tbd_list; 810 struct qeth_ipato ipato; 811 struct list_head cmd_waiter_list; 812 /* QDIO buffer handling */ 813 struct qeth_qdio_info qdio; 814 struct qeth_perf_stats perf_stats; 815 int read_or_write_problem; 816 struct qeth_osn_info osn_info; 817 struct qeth_discipline *discipline; 818 atomic_t force_alloc_skb; 819 struct service_level qeth_service_level; 820 struct qdio_ssqd_desc ssqd; 821 debug_info_t *debug; 822 struct mutex conf_mutex; 823 struct mutex discipline_mutex; 824 struct napi_struct napi; 825 struct qeth_rx rx; 826 struct delayed_work buffer_reclaim_work; 827 int reclaim_index; 828 struct work_struct close_dev_work; 829 }; 830 831 struct qeth_card_list_struct { 832 struct list_head list; 833 rwlock_t rwlock; 834 }; 835 836 struct qeth_trap_id { 837 __u16 lparnr; 838 char vmname[8]; 839 __u8 chpid; 840 __u8 ssid; 841 __u16 devno; 842 } __packed; 843 844 /*some helper functions*/ 845 #define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "") 846 847 static inline int qeth_get_micros(void) 848 { 849 return (int) (get_tod_clock() >> 12); 850 } 851 852 static inline int qeth_get_ip_version(struct sk_buff *skb) 853 { 854 __be16 *p = &((struct ethhdr *)skb->data)->h_proto; 855 856 if (*p == ETH_P_8021Q) 857 p += 2; 858 switch (*p) { 859 case ETH_P_IPV6: 860 return 6; 861 case ETH_P_IP: 862 return 4; 863 default: 864 return 0; 865 } 866 } 867 868 static inline void qeth_put_buffer_pool_entry(struct qeth_card *card, 869 struct qeth_buffer_pool_entry *entry) 870 { 871 list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list); 872 } 873 874 static inline int qeth_is_diagass_supported(struct qeth_card *card, 875 enum qeth_diags_cmds cmd) 876 { 877 return card->info.diagass_support & (__u32)cmd; 878 } 879 880 extern struct qeth_discipline qeth_l2_discipline; 881 extern struct qeth_discipline qeth_l3_discipline; 882 extern const struct attribute_group *qeth_generic_attr_groups[]; 883 extern const struct attribute_group *qeth_osn_attr_groups[]; 884 extern struct workqueue_struct *qeth_wq; 885 886 int qeth_card_hw_is_reachable(struct qeth_card *); 887 const char *qeth_get_cardname_short(struct qeth_card *); 888 int qeth_realloc_buffer_pool(struct qeth_card *, int); 889 int qeth_core_load_discipline(struct qeth_card *, enum qeth_discipline_id); 890 void qeth_core_free_discipline(struct qeth_card *); 891 892 /* exports for qeth discipline device drivers */ 893 extern struct qeth_card_list_struct qeth_core_card_list; 894 extern struct kmem_cache *qeth_core_header_cache; 895 extern struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS]; 896 897 void qeth_set_recovery_task(struct qeth_card *); 898 void qeth_clear_recovery_task(struct qeth_card *); 899 void qeth_set_allowed_threads(struct qeth_card *, unsigned long , int); 900 int qeth_threads_running(struct qeth_card *, unsigned long); 901 int qeth_wait_for_threads(struct qeth_card *, unsigned long); 902 int qeth_do_run_thread(struct qeth_card *, unsigned long); 903 void qeth_clear_thread_start_bit(struct qeth_card *, unsigned long); 904 void qeth_clear_thread_running_bit(struct qeth_card *, unsigned long); 905 int qeth_core_hardsetup_card(struct qeth_card *); 906 void qeth_print_status_message(struct qeth_card *); 907 int qeth_init_qdio_queues(struct qeth_card *); 908 int qeth_send_startlan(struct qeth_card *); 909 int qeth_send_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, 910 int (*reply_cb) 911 (struct qeth_card *, struct qeth_reply *, unsigned long), 912 void *); 913 struct qeth_cmd_buffer *qeth_get_ipacmd_buffer(struct qeth_card *, 914 enum qeth_ipa_cmds, enum qeth_prot_versions); 915 int qeth_query_setadapterparms(struct qeth_card *); 916 int qeth_check_qdio_errors(struct qeth_card *, struct qdio_buffer *, 917 unsigned int, const char *); 918 void qeth_queue_input_buffer(struct qeth_card *, int); 919 struct sk_buff *qeth_core_get_next_skb(struct qeth_card *, 920 struct qeth_qdio_buffer *, struct qdio_buffer_element **, int *, 921 struct qeth_hdr **); 922 void qeth_schedule_recovery(struct qeth_card *); 923 void qeth_qdio_start_poll(struct ccw_device *, int, unsigned long); 924 void qeth_qdio_input_handler(struct ccw_device *, 925 unsigned int, unsigned int, int, 926 int, unsigned long); 927 void qeth_qdio_output_handler(struct ccw_device *, unsigned int, 928 int, int, int, unsigned long); 929 void qeth_clear_ipacmd_list(struct qeth_card *); 930 int qeth_qdio_clear_card(struct qeth_card *, int); 931 void qeth_clear_working_pool_list(struct qeth_card *); 932 void qeth_clear_cmd_buffers(struct qeth_channel *); 933 void qeth_clear_qdio_buffers(struct qeth_card *); 934 void qeth_setadp_promisc_mode(struct qeth_card *); 935 struct net_device_stats *qeth_get_stats(struct net_device *); 936 int qeth_change_mtu(struct net_device *, int); 937 int qeth_setadpparms_change_macaddr(struct qeth_card *); 938 void qeth_tx_timeout(struct net_device *); 939 void qeth_prepare_control_data(struct qeth_card *, int, 940 struct qeth_cmd_buffer *); 941 void qeth_release_buffer(struct qeth_channel *, struct qeth_cmd_buffer *); 942 void qeth_prepare_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, char); 943 struct qeth_cmd_buffer *qeth_wait_for_buffer(struct qeth_channel *); 944 int qeth_mdio_read(struct net_device *, int, int); 945 int qeth_snmp_command(struct qeth_card *, char __user *); 946 int qeth_query_oat_command(struct qeth_card *, char __user *); 947 int qeth_query_switch_attributes(struct qeth_card *card, 948 struct qeth_switch_info *sw_info); 949 int qeth_send_control_data(struct qeth_card *, int, struct qeth_cmd_buffer *, 950 int (*reply_cb)(struct qeth_card *, struct qeth_reply*, unsigned long), 951 void *reply_param); 952 int qeth_bridgeport_query_ports(struct qeth_card *card, 953 enum qeth_sbp_roles *role, enum qeth_sbp_states *state); 954 int qeth_bridgeport_setrole(struct qeth_card *card, enum qeth_sbp_roles role); 955 int qeth_bridgeport_an_set(struct qeth_card *card, int enable); 956 int qeth_get_priority_queue(struct qeth_card *, struct sk_buff *, int, int); 957 int qeth_get_elements_no(struct qeth_card *, struct sk_buff *, int); 958 int qeth_get_elements_for_frags(struct sk_buff *); 959 int qeth_do_send_packet_fast(struct qeth_card *, struct qeth_qdio_out_q *, 960 struct sk_buff *, struct qeth_hdr *, int, int, int); 961 int qeth_do_send_packet(struct qeth_card *, struct qeth_qdio_out_q *, 962 struct sk_buff *, struct qeth_hdr *, int); 963 int qeth_core_get_sset_count(struct net_device *, int); 964 void qeth_core_get_ethtool_stats(struct net_device *, 965 struct ethtool_stats *, u64 *); 966 void qeth_core_get_strings(struct net_device *, u32, u8 *); 967 void qeth_core_get_drvinfo(struct net_device *, struct ethtool_drvinfo *); 968 void qeth_dbf_longtext(debug_info_t *id, int level, char *text, ...); 969 int qeth_core_ethtool_get_settings(struct net_device *, struct ethtool_cmd *); 970 int qeth_set_access_ctrl_online(struct qeth_card *card, int fallback); 971 int qeth_hdr_chk_and_bounce(struct sk_buff *, struct qeth_hdr **, int); 972 int qeth_configure_cq(struct qeth_card *, enum qeth_cq); 973 int qeth_hw_trap(struct qeth_card *, enum qeth_diags_trap_action); 974 int qeth_query_ipassists(struct qeth_card *, enum qeth_prot_versions prot); 975 void qeth_trace_features(struct qeth_card *); 976 void qeth_close_dev(struct qeth_card *); 977 int qeth_send_simple_setassparms(struct qeth_card *, enum qeth_ipa_funcs, 978 __u16, long); 979 int qeth_send_setassparms(struct qeth_card *, struct qeth_cmd_buffer *, __u16, 980 long, 981 int (*reply_cb)(struct qeth_card *, 982 struct qeth_reply *, unsigned long), 983 void *); 984 struct qeth_cmd_buffer *qeth_get_setassparms_cmd(struct qeth_card *, 985 enum qeth_ipa_funcs, 986 __u16, __u16, 987 enum qeth_prot_versions); 988 int qeth_start_ipa_tx_checksum(struct qeth_card *); 989 int qeth_set_rx_csum(struct qeth_card *, int); 990 991 /* exports for OSN */ 992 int qeth_osn_assist(struct net_device *, void *, int); 993 int qeth_osn_register(unsigned char *read_dev_no, struct net_device **, 994 int (*assist_cb)(struct net_device *, void *), 995 int (*data_cb)(struct sk_buff *)); 996 void qeth_osn_deregister(struct net_device *); 997 998 #endif /* __QETH_CORE_H__ */ 999