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 #include <linux/ip.h> 23 24 #include <net/ipv6.h> 25 #include <net/if_inet6.h> 26 #include <net/addrconf.h> 27 28 #include <asm/debug.h> 29 #include <asm/qdio.h> 30 #include <asm/ccwdev.h> 31 #include <asm/ccwgroup.h> 32 #include <asm/sysinfo.h> 33 34 #include "qeth_core_mpc.h" 35 36 /** 37 * Debug Facility stuff 38 */ 39 enum qeth_dbf_names { 40 QETH_DBF_SETUP, 41 QETH_DBF_MSG, 42 QETH_DBF_CTRL, 43 QETH_DBF_INFOS /* must be last element */ 44 }; 45 46 struct qeth_dbf_info { 47 char name[DEBUG_MAX_NAME_LEN]; 48 int pages; 49 int areas; 50 int len; 51 int level; 52 struct debug_view *view; 53 debug_info_t *id; 54 }; 55 56 #define QETH_DBF_CTRL_LEN 256 57 58 #define QETH_DBF_TEXT(name, level, text) \ 59 debug_text_event(qeth_dbf[QETH_DBF_##name].id, level, text) 60 61 #define QETH_DBF_HEX(name, level, addr, len) \ 62 debug_event(qeth_dbf[QETH_DBF_##name].id, level, (void *)(addr), len) 63 64 #define QETH_DBF_MESSAGE(level, text...) \ 65 debug_sprintf_event(qeth_dbf[QETH_DBF_MSG].id, level, text) 66 67 #define QETH_DBF_TEXT_(name, level, text...) \ 68 qeth_dbf_longtext(qeth_dbf[QETH_DBF_##name].id, level, text) 69 70 #define QETH_CARD_TEXT(card, level, text) \ 71 debug_text_event(card->debug, level, text) 72 73 #define QETH_CARD_HEX(card, level, addr, len) \ 74 debug_event(card->debug, level, (void *)(addr), len) 75 76 #define QETH_CARD_MESSAGE(card, text...) \ 77 debug_sprintf_event(card->debug, level, text) 78 79 #define QETH_CARD_TEXT_(card, level, text...) \ 80 qeth_dbf_longtext(card->debug, level, text) 81 82 #define SENSE_COMMAND_REJECT_BYTE 0 83 #define SENSE_COMMAND_REJECT_FLAG 0x80 84 #define SENSE_RESETTING_EVENT_BYTE 1 85 #define SENSE_RESETTING_EVENT_FLAG 0x80 86 87 /* 88 * Common IO related definitions 89 */ 90 #define CARD_RDEV(card) card->read.ccwdev 91 #define CARD_WDEV(card) card->write.ccwdev 92 #define CARD_DDEV(card) card->data.ccwdev 93 #define CARD_BUS_ID(card) dev_name(&card->gdev->dev) 94 #define CARD_RDEV_ID(card) dev_name(&card->read.ccwdev->dev) 95 #define CARD_WDEV_ID(card) dev_name(&card->write.ccwdev->dev) 96 #define CARD_DDEV_ID(card) dev_name(&card->data.ccwdev->dev) 97 #define CHANNEL_ID(channel) dev_name(&channel->ccwdev->dev) 98 99 /** 100 * card stuff 101 */ 102 struct qeth_perf_stats { 103 unsigned int bufs_rec; 104 unsigned int bufs_sent; 105 106 unsigned int skbs_sent_pack; 107 unsigned int bufs_sent_pack; 108 109 unsigned int sc_dp_p; 110 unsigned int sc_p_dp; 111 /* qdio_cq_handler: number of times called, time spent in */ 112 __u64 cq_start_time; 113 unsigned int cq_cnt; 114 unsigned int cq_time; 115 /* qdio_input_handler: number of times called, time spent in */ 116 __u64 inbound_start_time; 117 unsigned int inbound_cnt; 118 unsigned int inbound_time; 119 /* qeth_send_packet: number of times called, time spent in */ 120 __u64 outbound_start_time; 121 unsigned int outbound_cnt; 122 unsigned int outbound_time; 123 /* qdio_output_handler: number of times called, time spent in */ 124 __u64 outbound_handler_start_time; 125 unsigned int outbound_handler_cnt; 126 unsigned int outbound_handler_time; 127 /* number of calls to and time spent in do_QDIO for inbound queue */ 128 __u64 inbound_do_qdio_start_time; 129 unsigned int inbound_do_qdio_cnt; 130 unsigned int inbound_do_qdio_time; 131 /* number of calls to and time spent in do_QDIO for outbound queues */ 132 __u64 outbound_do_qdio_start_time; 133 unsigned int outbound_do_qdio_cnt; 134 unsigned int outbound_do_qdio_time; 135 unsigned int large_send_bytes; 136 unsigned int large_send_cnt; 137 unsigned int sg_skbs_sent; 138 unsigned int sg_frags_sent; 139 /* initial values when measuring starts */ 140 unsigned long initial_rx_packets; 141 unsigned long initial_tx_packets; 142 /* inbound scatter gather data */ 143 unsigned int sg_skbs_rx; 144 unsigned int sg_frags_rx; 145 unsigned int sg_alloc_page_rx; 146 unsigned int tx_csum; 147 unsigned int tx_lin; 148 unsigned int tx_linfail; 149 }; 150 151 /* Routing stuff */ 152 struct qeth_routing_info { 153 enum qeth_routing_types type; 154 }; 155 156 /* IPA stuff */ 157 struct qeth_ipa_info { 158 __u32 supported_funcs; 159 __u32 enabled_funcs; 160 }; 161 162 /* SETBRIDGEPORT stuff */ 163 enum qeth_sbp_roles { 164 QETH_SBP_ROLE_NONE = 0, 165 QETH_SBP_ROLE_PRIMARY = 1, 166 QETH_SBP_ROLE_SECONDARY = 2, 167 }; 168 169 enum qeth_sbp_states { 170 QETH_SBP_STATE_INACTIVE = 0, 171 QETH_SBP_STATE_STANDBY = 1, 172 QETH_SBP_STATE_ACTIVE = 2, 173 }; 174 175 #define QETH_SBP_HOST_NOTIFICATION 1 176 177 struct qeth_sbp_info { 178 __u32 supported_funcs; 179 enum qeth_sbp_roles role; 180 __u32 hostnotification:1; 181 __u32 reflect_promisc:1; 182 __u32 reflect_promisc_primary:1; 183 }; 184 185 struct qeth_vnicc_info { 186 /* supported/currently configured VNICCs; updated in IPA exchanges */ 187 u32 sup_chars; 188 u32 cur_chars; 189 /* supported commands: bitmasks which VNICCs support respective cmd */ 190 u32 set_char_sup; 191 u32 getset_timeout_sup; 192 /* timeout value for the learning characteristic */ 193 u32 learning_timeout; 194 /* characteristics wanted/configured by user */ 195 u32 wanted_chars; 196 /* has user explicitly enabled rx_bcast while online? */ 197 bool rx_bcast_enabled; 198 }; 199 200 static inline int qeth_is_ipa_supported(struct qeth_ipa_info *ipa, 201 enum qeth_ipa_funcs func) 202 { 203 return (ipa->supported_funcs & func); 204 } 205 206 static inline int qeth_is_ipa_enabled(struct qeth_ipa_info *ipa, 207 enum qeth_ipa_funcs func) 208 { 209 return (ipa->supported_funcs & ipa->enabled_funcs & func); 210 } 211 212 #define qeth_adp_supported(c, f) \ 213 qeth_is_ipa_supported(&c->options.adp, f) 214 #define qeth_adp_enabled(c, f) \ 215 qeth_is_ipa_enabled(&c->options.adp, f) 216 #define qeth_is_supported(c, f) \ 217 qeth_is_ipa_supported(&c->options.ipa4, f) 218 #define qeth_is_enabled(c, f) \ 219 qeth_is_ipa_enabled(&c->options.ipa4, f) 220 #define qeth_is_supported6(c, f) \ 221 qeth_is_ipa_supported(&c->options.ipa6, f) 222 #define qeth_is_enabled6(c, f) \ 223 qeth_is_ipa_enabled(&c->options.ipa6, f) 224 #define qeth_is_ipafunc_supported(c, prot, f) \ 225 ((prot == QETH_PROT_IPV6) ? \ 226 qeth_is_supported6(c, f) : qeth_is_supported(c, f)) 227 #define qeth_is_ipafunc_enabled(c, prot, f) \ 228 ((prot == QETH_PROT_IPV6) ? \ 229 qeth_is_enabled6(c, f) : qeth_is_enabled(c, f)) 230 231 #define QETH_IDX_FUNC_LEVEL_OSD 0x0101 232 #define QETH_IDX_FUNC_LEVEL_IQD 0x4108 233 234 #define QETH_MODELLIST_ARRAY \ 235 {{0x1731, 0x01, 0x1732, QETH_CARD_TYPE_OSD, QETH_MAX_QUEUES, 0}, \ 236 {0x1731, 0x05, 0x1732, QETH_CARD_TYPE_IQD, QETH_MAX_QUEUES, 0x103}, \ 237 {0x1731, 0x06, 0x1732, QETH_CARD_TYPE_OSN, QETH_MAX_QUEUES, 0}, \ 238 {0x1731, 0x02, 0x1732, QETH_CARD_TYPE_OSM, QETH_MAX_QUEUES, 0}, \ 239 {0x1731, 0x02, 0x1732, QETH_CARD_TYPE_OSX, QETH_MAX_QUEUES, 0}, \ 240 {0, 0, 0, 0, 0, 0} } 241 #define QETH_CU_TYPE_IND 0 242 #define QETH_CU_MODEL_IND 1 243 #define QETH_DEV_TYPE_IND 2 244 #define QETH_DEV_MODEL_IND 3 245 #define QETH_QUEUE_NO_IND 4 246 #define QETH_MULTICAST_IND 5 247 248 #define QETH_REAL_CARD 1 249 #define QETH_VLAN_CARD 2 250 #define QETH_BUFSIZE 4096 251 252 /** 253 * some more defs 254 */ 255 #define QETH_TX_TIMEOUT 100 * HZ 256 #define QETH_RCD_TIMEOUT 60 * HZ 257 #define QETH_RECLAIM_WORK_TIME HZ 258 #define QETH_MAX_PORTNO 15 259 260 /*IPv6 address autoconfiguration stuff*/ 261 #define UNIQUE_ID_IF_CREATE_ADDR_FAILED 0xfffe 262 #define UNIQUE_ID_NOT_BY_CARD 0x10000 263 264 /*****************************************************************************/ 265 /* QDIO queue and buffer handling */ 266 /*****************************************************************************/ 267 #define QETH_MAX_QUEUES 4 268 #define QETH_IN_BUF_SIZE_DEFAULT 65536 269 #define QETH_IN_BUF_COUNT_DEFAULT 64 270 #define QETH_IN_BUF_COUNT_HSDEFAULT 128 271 #define QETH_IN_BUF_COUNT_MIN 8 272 #define QETH_IN_BUF_COUNT_MAX 128 273 #define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12) 274 #define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \ 275 ((card)->qdio.in_buf_pool.buf_count / 2) 276 277 /* buffers we have to be behind before we get a PCI */ 278 #define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1) 279 /*enqueued free buffers left before we get a PCI*/ 280 #define QETH_PCI_THRESHOLD_B(card) 0 281 /*not used unless the microcode gets patched*/ 282 #define QETH_PCI_TIMER_VALUE(card) 3 283 284 /* priority queing */ 285 #define QETH_PRIOQ_DEFAULT QETH_NO_PRIO_QUEUEING 286 #define QETH_DEFAULT_QUEUE 2 287 #define QETH_NO_PRIO_QUEUEING 0 288 #define QETH_PRIO_Q_ING_PREC 1 289 #define QETH_PRIO_Q_ING_TOS 2 290 #define QETH_PRIO_Q_ING_SKB 3 291 #define QETH_PRIO_Q_ING_VLAN 4 292 293 /* Packing */ 294 #define QETH_LOW_WATERMARK_PACK 2 295 #define QETH_HIGH_WATERMARK_PACK 5 296 #define QETH_WATERMARK_PACK_FUZZ 1 297 298 /* large receive scatter gather copy break */ 299 #define QETH_RX_SG_CB (PAGE_SIZE >> 1) 300 #define QETH_RX_PULL_LEN 256 301 302 struct qeth_hdr_layer3 { 303 __u8 id; 304 __u8 flags; 305 __u16 inbound_checksum; /*TSO:__u16 seqno */ 306 __u32 token; /*TSO: __u32 reserved */ 307 __u16 length; 308 __u8 vlan_prio; 309 __u8 ext_flags; 310 __u16 vlan_id; 311 __u16 frame_offset; 312 __u8 dest_addr[16]; 313 } __attribute__ ((packed)); 314 315 struct qeth_hdr_layer2 { 316 __u8 id; 317 __u8 flags[3]; 318 __u8 port_no; 319 __u8 hdr_length; 320 __u16 pkt_length; 321 __u16 seq_no; 322 __u16 vlan_id; 323 __u32 reserved; 324 __u8 reserved2[16]; 325 } __attribute__ ((packed)); 326 327 struct qeth_hdr_osn { 328 __u8 id; 329 __u8 reserved; 330 __u16 seq_no; 331 __u16 reserved2; 332 __u16 control_flags; 333 __u16 pdu_length; 334 __u8 reserved3[18]; 335 __u32 ccid; 336 } __attribute__ ((packed)); 337 338 struct qeth_hdr { 339 union { 340 struct qeth_hdr_layer2 l2; 341 struct qeth_hdr_layer3 l3; 342 struct qeth_hdr_osn osn; 343 } hdr; 344 } __attribute__ ((packed)); 345 346 /*TCP Segmentation Offload header*/ 347 struct qeth_hdr_ext_tso { 348 __u16 hdr_tot_len; 349 __u8 imb_hdr_no; 350 __u8 reserved; 351 __u8 hdr_type; 352 __u8 hdr_version; 353 __u16 hdr_len; 354 __u32 payload_len; 355 __u16 mss; 356 __u16 dg_hdr_len; 357 __u8 padding[16]; 358 } __attribute__ ((packed)); 359 360 struct qeth_hdr_tso { 361 struct qeth_hdr hdr; /*hdr->hdr.l3.xxx*/ 362 struct qeth_hdr_ext_tso ext; 363 } __attribute__ ((packed)); 364 365 366 /* flags for qeth_hdr.flags */ 367 #define QETH_HDR_PASSTHRU 0x10 368 #define QETH_HDR_IPV6 0x80 369 #define QETH_HDR_CAST_MASK 0x07 370 enum qeth_cast_flags { 371 QETH_CAST_UNICAST = 0x06, 372 QETH_CAST_MULTICAST = 0x04, 373 QETH_CAST_BROADCAST = 0x05, 374 QETH_CAST_ANYCAST = 0x07, 375 QETH_CAST_NOCAST = 0x00, 376 }; 377 378 enum qeth_layer2_frame_flags { 379 QETH_LAYER2_FLAG_MULTICAST = 0x01, 380 QETH_LAYER2_FLAG_BROADCAST = 0x02, 381 QETH_LAYER2_FLAG_UNICAST = 0x04, 382 QETH_LAYER2_FLAG_VLAN = 0x10, 383 }; 384 385 enum qeth_header_ids { 386 QETH_HEADER_TYPE_LAYER3 = 0x01, 387 QETH_HEADER_TYPE_LAYER2 = 0x02, 388 QETH_HEADER_TYPE_TSO = 0x03, 389 QETH_HEADER_TYPE_OSN = 0x04, 390 }; 391 /* flags for qeth_hdr.ext_flags */ 392 #define QETH_HDR_EXT_VLAN_FRAME 0x01 393 #define QETH_HDR_EXT_TOKEN_ID 0x02 394 #define QETH_HDR_EXT_INCLUDE_VLAN_TAG 0x04 395 #define QETH_HDR_EXT_SRC_MAC_ADDR 0x08 396 #define QETH_HDR_EXT_CSUM_HDR_REQ 0x10 397 #define QETH_HDR_EXT_CSUM_TRANSP_REQ 0x20 398 #define QETH_HDR_EXT_UDP 0x40 /*bit off for TCP*/ 399 400 enum qeth_qdio_buffer_states { 401 /* 402 * inbound: read out by driver; owned by hardware in order to be filled 403 * outbound: owned by driver in order to be filled 404 */ 405 QETH_QDIO_BUF_EMPTY, 406 /* 407 * inbound: filled by hardware; owned by driver in order to be read out 408 * outbound: filled by driver; owned by hardware in order to be sent 409 */ 410 QETH_QDIO_BUF_PRIMED, 411 /* 412 * inbound: not applicable 413 * outbound: identified to be pending in TPQ 414 */ 415 QETH_QDIO_BUF_PENDING, 416 /* 417 * inbound: not applicable 418 * outbound: found in completion queue 419 */ 420 QETH_QDIO_BUF_IN_CQ, 421 /* 422 * inbound: not applicable 423 * outbound: handled via transfer pending / completion queue 424 */ 425 QETH_QDIO_BUF_HANDLED_DELAYED, 426 }; 427 428 enum qeth_qdio_info_states { 429 QETH_QDIO_UNINITIALIZED, 430 QETH_QDIO_ALLOCATED, 431 QETH_QDIO_ESTABLISHED, 432 QETH_QDIO_CLEANING 433 }; 434 435 struct qeth_buffer_pool_entry { 436 struct list_head list; 437 struct list_head init_list; 438 void *elements[QDIO_MAX_ELEMENTS_PER_BUFFER]; 439 }; 440 441 struct qeth_qdio_buffer_pool { 442 struct list_head entry_list; 443 int buf_count; 444 }; 445 446 struct qeth_qdio_buffer { 447 struct qdio_buffer *buffer; 448 /* the buffer pool entry currently associated to this buffer */ 449 struct qeth_buffer_pool_entry *pool_entry; 450 struct sk_buff *rx_skb; 451 }; 452 453 struct qeth_qdio_q { 454 struct qdio_buffer *qdio_bufs[QDIO_MAX_BUFFERS_PER_Q]; 455 struct qeth_qdio_buffer bufs[QDIO_MAX_BUFFERS_PER_Q]; 456 int next_buf_to_init; 457 }; 458 459 struct qeth_qdio_out_buffer { 460 struct qdio_buffer *buffer; 461 atomic_t state; 462 int next_element_to_fill; 463 struct sk_buff_head skb_list; 464 int is_header[QDIO_MAX_ELEMENTS_PER_BUFFER]; 465 466 struct qaob *aob; 467 struct qeth_qdio_out_q *q; 468 struct qeth_qdio_out_buffer *next_pending; 469 }; 470 471 struct qeth_card; 472 473 enum qeth_out_q_states { 474 QETH_OUT_Q_UNLOCKED, 475 QETH_OUT_Q_LOCKED, 476 QETH_OUT_Q_LOCKED_FLUSH, 477 }; 478 479 struct qeth_qdio_out_q { 480 struct qdio_buffer *qdio_bufs[QDIO_MAX_BUFFERS_PER_Q]; 481 struct qeth_qdio_out_buffer *bufs[QDIO_MAX_BUFFERS_PER_Q]; 482 struct qdio_outbuf_state *bufstates; /* convenience pointer */ 483 int queue_no; 484 struct qeth_card *card; 485 atomic_t state; 486 int do_pack; 487 /* 488 * index of buffer to be filled by driver; state EMPTY or PACKING 489 */ 490 int next_buf_to_fill; 491 /* 492 * number of buffers that are currently filled (PRIMED) 493 * -> these buffers are hardware-owned 494 */ 495 atomic_t used_buffers; 496 /* indicates whether PCI flag must be set (or if one is outstanding) */ 497 atomic_t set_pci_flags_count; 498 }; 499 500 struct qeth_qdio_info { 501 atomic_t state; 502 /* input */ 503 int no_in_queues; 504 struct qeth_qdio_q *in_q; 505 struct qeth_qdio_q *c_q; 506 struct qeth_qdio_buffer_pool in_buf_pool; 507 struct qeth_qdio_buffer_pool init_pool; 508 int in_buf_size; 509 510 /* output */ 511 int no_out_queues; 512 struct qeth_qdio_out_q **out_qs; 513 struct qdio_outbuf_state *out_bufstates; 514 515 /* priority queueing */ 516 int do_prio_queueing; 517 int default_out_queue; 518 }; 519 520 #define QETH_ETH_MAC_V4 0x0100 /* like v4 */ 521 #define QETH_ETH_MAC_V6 0x3333 /* like v6 */ 522 /* tr mc mac is longer, but that will be enough to detect mc frames */ 523 #define QETH_TR_MAC_NC 0xc000 /* non-canonical */ 524 #define QETH_TR_MAC_C 0x0300 /* canonical */ 525 526 /** 527 * buffer stuff for read channel 528 */ 529 #define QETH_CMD_BUFFER_NO 8 530 531 /** 532 * channel state machine 533 */ 534 enum qeth_channel_states { 535 CH_STATE_UP, 536 CH_STATE_DOWN, 537 CH_STATE_ACTIVATING, 538 CH_STATE_HALTED, 539 CH_STATE_STOPPED, 540 CH_STATE_RCD, 541 CH_STATE_RCD_DONE, 542 }; 543 /** 544 * card state machine 545 */ 546 enum qeth_card_states { 547 CARD_STATE_DOWN, 548 CARD_STATE_HARDSETUP, 549 CARD_STATE_SOFTSETUP, 550 CARD_STATE_UP, 551 CARD_STATE_RECOVER, 552 }; 553 554 /** 555 * Protocol versions 556 */ 557 enum qeth_prot_versions { 558 QETH_PROT_IPV4 = 0x0004, 559 QETH_PROT_IPV6 = 0x0006, 560 }; 561 562 enum qeth_ip_types { 563 QETH_IP_TYPE_NORMAL, 564 QETH_IP_TYPE_VIPA, 565 QETH_IP_TYPE_RXIP, 566 }; 567 568 enum qeth_cmd_buffer_state { 569 BUF_STATE_FREE, 570 BUF_STATE_LOCKED, 571 BUF_STATE_PROCESSED, 572 }; 573 574 enum qeth_cq { 575 QETH_CQ_DISABLED = 0, 576 QETH_CQ_ENABLED = 1, 577 QETH_CQ_NOTAVAILABLE = 2, 578 }; 579 580 struct qeth_ipato { 581 int enabled; 582 int invert4; 583 int invert6; 584 struct list_head entries; 585 }; 586 587 struct qeth_channel; 588 589 struct qeth_cmd_buffer { 590 enum qeth_cmd_buffer_state state; 591 struct qeth_channel *channel; 592 unsigned char *data; 593 int rc; 594 void (*callback) (struct qeth_channel *, struct qeth_cmd_buffer *); 595 }; 596 597 /** 598 * definition of a qeth channel, used for read and write 599 */ 600 struct qeth_channel { 601 enum qeth_channel_states state; 602 struct ccw1 ccw; 603 spinlock_t iob_lock; 604 wait_queue_head_t wait_q; 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 struct qeth_card_blkt { 652 int time_total; 653 int inter_packet; 654 int inter_packet_jumbo; 655 }; 656 657 #define QETH_BROADCAST_WITH_ECHO 0x01 658 #define QETH_BROADCAST_WITHOUT_ECHO 0x02 659 #define QETH_LAYER2_MAC_READ 0x01 660 #define QETH_LAYER2_MAC_REGISTERED 0x02 661 struct qeth_card_info { 662 unsigned short unit_addr2; 663 unsigned short cula; 664 unsigned short chpid; 665 __u16 func_level; 666 char mcl_level[QETH_MCL_LENGTH + 1]; 667 int guestlan; 668 int mac_bits; 669 int portno; 670 enum qeth_card_types type; 671 enum qeth_link_types link_type; 672 int is_multicast_different; 673 int initial_mtu; 674 int max_mtu; 675 int broadcast_capable; 676 int unique_id; 677 bool layer_enforced; 678 struct qeth_card_blkt blkt; 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 struct qeth_vnicc_info vnicc; /* VNICC options */ 692 int fake_broadcast; 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_UNDETERMINED = -1, 717 QETH_DISCIPLINE_LAYER3 = 0, 718 QETH_DISCIPLINE_LAYER2 = 1, 719 }; 720 721 struct qeth_discipline { 722 const struct device_type *devtype; 723 void (*start_poll)(struct ccw_device *, int, unsigned long); 724 qdio_handler_t *input_handler; 725 qdio_handler_t *output_handler; 726 int (*process_rx_buffer)(struct qeth_card *card, int budget, int *done); 727 int (*recover)(void *ptr); 728 int (*setup) (struct ccwgroup_device *); 729 void (*remove) (struct ccwgroup_device *); 730 int (*set_online) (struct ccwgroup_device *); 731 int (*set_offline) (struct ccwgroup_device *); 732 int (*freeze)(struct ccwgroup_device *); 733 int (*thaw) (struct ccwgroup_device *); 734 int (*restore)(struct ccwgroup_device *); 735 int (*do_ioctl)(struct net_device *dev, struct ifreq *rq, int cmd); 736 int (*control_event_handler)(struct qeth_card *card, 737 struct qeth_ipa_cmd *cmd); 738 }; 739 740 struct qeth_vlan_vid { 741 struct list_head list; 742 unsigned short vid; 743 }; 744 745 enum qeth_addr_disposition { 746 QETH_DISP_ADDR_DELETE = 0, 747 QETH_DISP_ADDR_DO_NOTHING = 1, 748 QETH_DISP_ADDR_ADD = 2, 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 DECLARE_HASHTABLE(mac_htable, 4); 796 DECLARE_HASHTABLE(ip_htable, 4); 797 DECLARE_HASHTABLE(ip_mc_htable, 4); 798 struct work_struct kernel_thread_starter; 799 spinlock_t thread_mask_lock; 800 unsigned long thread_start_mask; 801 unsigned long thread_allowed_mask; 802 unsigned long thread_running_mask; 803 struct task_struct *recovery_task; 804 spinlock_t ip_lock; 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 /** 843 * qeth_get_elements_for_range() - find number of SBALEs to cover range. 844 * @start: Start of the address range. 845 * @end: Address after the end of the range. 846 * 847 * Returns the number of pages, and thus QDIO buffer elements, needed to cover 848 * the specified address range. 849 */ 850 static inline int qeth_get_elements_for_range(addr_t start, addr_t end) 851 { 852 return PFN_UP(end - 1) - PFN_DOWN(start); 853 } 854 855 static inline int qeth_get_micros(void) 856 { 857 return (int) (get_tod_clock() >> 12); 858 } 859 860 static inline int qeth_get_ip_version(struct sk_buff *skb) 861 { 862 __be16 *p = &((struct ethhdr *)skb->data)->h_proto; 863 864 if (be16_to_cpu(*p) == ETH_P_8021Q) 865 p += 2; 866 switch (be16_to_cpu(*p)) { 867 case ETH_P_IPV6: 868 return 6; 869 case ETH_P_IP: 870 return 4; 871 default: 872 return 0; 873 } 874 } 875 876 static inline void qeth_put_buffer_pool_entry(struct qeth_card *card, 877 struct qeth_buffer_pool_entry *entry) 878 { 879 list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list); 880 } 881 882 static inline int qeth_is_diagass_supported(struct qeth_card *card, 883 enum qeth_diags_cmds cmd) 884 { 885 return card->info.diagass_support & (__u32)cmd; 886 } 887 888 extern struct qeth_discipline qeth_l2_discipline; 889 extern struct qeth_discipline qeth_l3_discipline; 890 extern const struct attribute_group *qeth_generic_attr_groups[]; 891 extern const struct attribute_group *qeth_osn_attr_groups[]; 892 extern const struct attribute_group qeth_device_attr_group; 893 extern const struct attribute_group qeth_device_blkt_group; 894 extern const struct device_type qeth_generic_devtype; 895 extern struct workqueue_struct *qeth_wq; 896 897 int qeth_card_hw_is_reachable(struct qeth_card *); 898 const char *qeth_get_cardname_short(struct qeth_card *); 899 int qeth_realloc_buffer_pool(struct qeth_card *, int); 900 int qeth_core_load_discipline(struct qeth_card *, enum qeth_discipline_id); 901 void qeth_core_free_discipline(struct qeth_card *); 902 903 /* exports for qeth discipline device drivers */ 904 extern struct qeth_card_list_struct qeth_core_card_list; 905 extern struct kmem_cache *qeth_core_header_cache; 906 extern struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS]; 907 908 void qeth_set_recovery_task(struct qeth_card *); 909 void qeth_clear_recovery_task(struct qeth_card *); 910 void qeth_set_allowed_threads(struct qeth_card *, unsigned long , int); 911 int qeth_threads_running(struct qeth_card *, unsigned long); 912 int qeth_wait_for_threads(struct qeth_card *, unsigned long); 913 int qeth_do_run_thread(struct qeth_card *, unsigned long); 914 void qeth_clear_thread_start_bit(struct qeth_card *, unsigned long); 915 void qeth_clear_thread_running_bit(struct qeth_card *, unsigned long); 916 int qeth_core_hardsetup_card(struct qeth_card *); 917 void qeth_print_status_message(struct qeth_card *); 918 int qeth_init_qdio_queues(struct qeth_card *); 919 int qeth_send_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, 920 int (*reply_cb) 921 (struct qeth_card *, struct qeth_reply *, unsigned long), 922 void *); 923 struct qeth_cmd_buffer *qeth_get_ipacmd_buffer(struct qeth_card *, 924 enum qeth_ipa_cmds, enum qeth_prot_versions); 925 int qeth_query_setadapterparms(struct qeth_card *); 926 struct sk_buff *qeth_core_get_next_skb(struct qeth_card *, 927 struct qeth_qdio_buffer *, struct qdio_buffer_element **, int *, 928 struct qeth_hdr **); 929 void qeth_schedule_recovery(struct qeth_card *); 930 void qeth_qdio_start_poll(struct ccw_device *, int, unsigned long); 931 int qeth_poll(struct napi_struct *napi, int budget); 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_query_switch_attributes(struct qeth_card *card, 953 struct qeth_switch_info *sw_info); 954 int qeth_send_control_data(struct qeth_card *, int, struct qeth_cmd_buffer *, 955 int (*reply_cb)(struct qeth_card *, struct qeth_reply*, unsigned long), 956 void *reply_param); 957 int qeth_bridgeport_query_ports(struct qeth_card *card, 958 enum qeth_sbp_roles *role, enum qeth_sbp_states *state); 959 int qeth_bridgeport_setrole(struct qeth_card *card, enum qeth_sbp_roles role); 960 int qeth_bridgeport_an_set(struct qeth_card *card, int enable); 961 int qeth_get_priority_queue(struct qeth_card *, struct sk_buff *, int, int); 962 int qeth_get_elements_no(struct qeth_card *card, struct sk_buff *skb, 963 int extra_elems, int data_offset); 964 int qeth_get_elements_for_frags(struct sk_buff *); 965 int qeth_do_send_packet_fast(struct qeth_qdio_out_q *queue, struct sk_buff *skb, 966 struct qeth_hdr *hdr, unsigned int offset, 967 unsigned int hd_len); 968 int qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue, 969 struct sk_buff *skb, struct qeth_hdr *hdr, 970 unsigned int offset, unsigned int hd_len, 971 int elements_needed); 972 int qeth_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); 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_link_ksettings(struct net_device *netdev, 980 struct ethtool_link_ksettings *cmd); 981 int qeth_set_access_ctrl_online(struct qeth_card *card, int fallback); 982 int qeth_hdr_chk_and_bounce(struct sk_buff *, struct qeth_hdr **, int); 983 int qeth_configure_cq(struct qeth_card *, enum qeth_cq); 984 int qeth_hw_trap(struct qeth_card *, enum qeth_diags_trap_action); 985 int qeth_query_ipassists(struct qeth_card *, enum qeth_prot_versions prot); 986 void qeth_trace_features(struct qeth_card *); 987 void qeth_close_dev(struct qeth_card *); 988 int qeth_send_simple_setassparms(struct qeth_card *, enum qeth_ipa_funcs, 989 __u16, long); 990 int qeth_send_setassparms(struct qeth_card *, struct qeth_cmd_buffer *, __u16, 991 long, 992 int (*reply_cb)(struct qeth_card *, 993 struct qeth_reply *, unsigned long), 994 void *); 995 int qeth_setassparms_cb(struct qeth_card *, struct qeth_reply *, unsigned long); 996 struct qeth_cmd_buffer *qeth_get_setassparms_cmd(struct qeth_card *, 997 enum qeth_ipa_funcs, 998 __u16, __u16, 999 enum qeth_prot_versions); 1000 int qeth_set_features(struct net_device *, netdev_features_t); 1001 int qeth_recover_features(struct net_device *); 1002 netdev_features_t qeth_fix_features(struct net_device *, netdev_features_t); 1003 int qeth_vm_request_mac(struct qeth_card *card); 1004 int qeth_push_hdr(struct sk_buff *skb, struct qeth_hdr **hdr, unsigned int len); 1005 1006 /* exports for OSN */ 1007 int qeth_osn_assist(struct net_device *, void *, int); 1008 int qeth_osn_register(unsigned char *read_dev_no, struct net_device **, 1009 int (*assist_cb)(struct net_device *, void *), 1010 int (*data_cb)(struct sk_buff *)); 1011 void qeth_osn_deregister(struct net_device *); 1012 1013 #endif /* __QETH_CORE_H__ */ 1014