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 static inline int qeth_is_ipa_supported(struct qeth_ipa_info *ipa, 186 enum qeth_ipa_funcs func) 187 { 188 return (ipa->supported_funcs & func); 189 } 190 191 static inline int qeth_is_ipa_enabled(struct qeth_ipa_info *ipa, 192 enum qeth_ipa_funcs func) 193 { 194 return (ipa->supported_funcs & ipa->enabled_funcs & func); 195 } 196 197 #define qeth_adp_supported(c, f) \ 198 qeth_is_ipa_supported(&c->options.adp, f) 199 #define qeth_adp_enabled(c, f) \ 200 qeth_is_ipa_enabled(&c->options.adp, f) 201 #define qeth_is_supported(c, f) \ 202 qeth_is_ipa_supported(&c->options.ipa4, f) 203 #define qeth_is_enabled(c, f) \ 204 qeth_is_ipa_enabled(&c->options.ipa4, f) 205 #define qeth_is_supported6(c, f) \ 206 qeth_is_ipa_supported(&c->options.ipa6, f) 207 #define qeth_is_enabled6(c, f) \ 208 qeth_is_ipa_enabled(&c->options.ipa6, f) 209 #define qeth_is_ipafunc_supported(c, prot, f) \ 210 ((prot == QETH_PROT_IPV6) ? \ 211 qeth_is_supported6(c, f) : qeth_is_supported(c, f)) 212 #define qeth_is_ipafunc_enabled(c, prot, f) \ 213 ((prot == QETH_PROT_IPV6) ? \ 214 qeth_is_enabled6(c, f) : qeth_is_enabled(c, f)) 215 216 #define QETH_IDX_FUNC_LEVEL_OSD 0x0101 217 #define QETH_IDX_FUNC_LEVEL_IQD 0x4108 218 219 #define QETH_MODELLIST_ARRAY \ 220 {{0x1731, 0x01, 0x1732, QETH_CARD_TYPE_OSD, QETH_MAX_QUEUES, 0}, \ 221 {0x1731, 0x05, 0x1732, QETH_CARD_TYPE_IQD, QETH_MAX_QUEUES, 0x103}, \ 222 {0x1731, 0x06, 0x1732, QETH_CARD_TYPE_OSN, QETH_MAX_QUEUES, 0}, \ 223 {0x1731, 0x02, 0x1732, QETH_CARD_TYPE_OSM, QETH_MAX_QUEUES, 0}, \ 224 {0x1731, 0x02, 0x1732, QETH_CARD_TYPE_OSX, QETH_MAX_QUEUES, 0}, \ 225 {0, 0, 0, 0, 0, 0} } 226 #define QETH_CU_TYPE_IND 0 227 #define QETH_CU_MODEL_IND 1 228 #define QETH_DEV_TYPE_IND 2 229 #define QETH_DEV_MODEL_IND 3 230 #define QETH_QUEUE_NO_IND 4 231 #define QETH_MULTICAST_IND 5 232 233 #define QETH_REAL_CARD 1 234 #define QETH_VLAN_CARD 2 235 #define QETH_BUFSIZE 4096 236 237 /** 238 * some more defs 239 */ 240 #define QETH_TX_TIMEOUT 100 * HZ 241 #define QETH_RCD_TIMEOUT 60 * HZ 242 #define QETH_RECLAIM_WORK_TIME HZ 243 #define QETH_MAX_PORTNO 15 244 245 /*IPv6 address autoconfiguration stuff*/ 246 #define UNIQUE_ID_IF_CREATE_ADDR_FAILED 0xfffe 247 #define UNIQUE_ID_NOT_BY_CARD 0x10000 248 249 /*****************************************************************************/ 250 /* QDIO queue and buffer handling */ 251 /*****************************************************************************/ 252 #define QETH_MAX_QUEUES 4 253 #define QETH_IN_BUF_SIZE_DEFAULT 65536 254 #define QETH_IN_BUF_COUNT_DEFAULT 64 255 #define QETH_IN_BUF_COUNT_HSDEFAULT 128 256 #define QETH_IN_BUF_COUNT_MIN 8 257 #define QETH_IN_BUF_COUNT_MAX 128 258 #define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12) 259 #define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \ 260 ((card)->qdio.in_buf_pool.buf_count / 2) 261 262 /* buffers we have to be behind before we get a PCI */ 263 #define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1) 264 /*enqueued free buffers left before we get a PCI*/ 265 #define QETH_PCI_THRESHOLD_B(card) 0 266 /*not used unless the microcode gets patched*/ 267 #define QETH_PCI_TIMER_VALUE(card) 3 268 269 /* priority queing */ 270 #define QETH_PRIOQ_DEFAULT QETH_NO_PRIO_QUEUEING 271 #define QETH_DEFAULT_QUEUE 2 272 #define QETH_NO_PRIO_QUEUEING 0 273 #define QETH_PRIO_Q_ING_PREC 1 274 #define QETH_PRIO_Q_ING_TOS 2 275 #define QETH_PRIO_Q_ING_SKB 3 276 #define QETH_PRIO_Q_ING_VLAN 4 277 278 /* Packing */ 279 #define QETH_LOW_WATERMARK_PACK 2 280 #define QETH_HIGH_WATERMARK_PACK 5 281 #define QETH_WATERMARK_PACK_FUZZ 1 282 283 /* 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[QDIO_MAX_ELEMENTS_PER_BUFFER]; 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 #define QETH_ETH_MAC_V4 0x0100 /* like v4 */ 506 #define QETH_ETH_MAC_V6 0x3333 /* like v6 */ 507 /* tr mc mac is longer, but that will be enough to detect mc frames */ 508 #define QETH_TR_MAC_NC 0xc000 /* non-canonical */ 509 #define QETH_TR_MAC_C 0x0300 /* canonical */ 510 511 /** 512 * buffer stuff for read channel 513 */ 514 #define QETH_CMD_BUFFER_NO 8 515 516 /** 517 * channel state machine 518 */ 519 enum qeth_channel_states { 520 CH_STATE_UP, 521 CH_STATE_DOWN, 522 CH_STATE_ACTIVATING, 523 CH_STATE_HALTED, 524 CH_STATE_STOPPED, 525 CH_STATE_RCD, 526 CH_STATE_RCD_DONE, 527 }; 528 /** 529 * card state machine 530 */ 531 enum qeth_card_states { 532 CARD_STATE_DOWN, 533 CARD_STATE_HARDSETUP, 534 CARD_STATE_SOFTSETUP, 535 CARD_STATE_UP, 536 CARD_STATE_RECOVER, 537 }; 538 539 /** 540 * Protocol versions 541 */ 542 enum qeth_prot_versions { 543 QETH_PROT_IPV4 = 0x0004, 544 QETH_PROT_IPV6 = 0x0006, 545 }; 546 547 enum qeth_ip_types { 548 QETH_IP_TYPE_NORMAL, 549 QETH_IP_TYPE_VIPA, 550 QETH_IP_TYPE_RXIP, 551 }; 552 553 enum qeth_cmd_buffer_state { 554 BUF_STATE_FREE, 555 BUF_STATE_LOCKED, 556 BUF_STATE_PROCESSED, 557 }; 558 559 enum qeth_cq { 560 QETH_CQ_DISABLED = 0, 561 QETH_CQ_ENABLED = 1, 562 QETH_CQ_NOTAVAILABLE = 2, 563 }; 564 565 struct qeth_ipato { 566 int enabled; 567 int invert4; 568 int invert6; 569 struct list_head entries; 570 }; 571 572 struct qeth_channel; 573 574 struct qeth_cmd_buffer { 575 enum qeth_cmd_buffer_state state; 576 struct qeth_channel *channel; 577 unsigned char *data; 578 int rc; 579 void (*callback) (struct qeth_channel *, struct qeth_cmd_buffer *); 580 }; 581 582 /** 583 * definition of a qeth channel, used for read and write 584 */ 585 struct qeth_channel { 586 enum qeth_channel_states state; 587 struct ccw1 ccw; 588 spinlock_t iob_lock; 589 wait_queue_head_t wait_q; 590 struct ccw_device *ccwdev; 591 /*command buffer for control data*/ 592 struct qeth_cmd_buffer iob[QETH_CMD_BUFFER_NO]; 593 atomic_t irq_pending; 594 int io_buf_no; 595 int buf_no; 596 }; 597 598 /** 599 * OSA card related definitions 600 */ 601 struct qeth_token { 602 __u32 issuer_rm_w; 603 __u32 issuer_rm_r; 604 __u32 cm_filter_w; 605 __u32 cm_filter_r; 606 __u32 cm_connection_w; 607 __u32 cm_connection_r; 608 __u32 ulp_filter_w; 609 __u32 ulp_filter_r; 610 __u32 ulp_connection_w; 611 __u32 ulp_connection_r; 612 }; 613 614 struct qeth_seqno { 615 __u32 trans_hdr; 616 __u32 pdu_hdr; 617 __u32 pdu_hdr_ack; 618 __u16 ipa; 619 __u32 pkt_seqno; 620 }; 621 622 struct qeth_reply { 623 struct list_head list; 624 wait_queue_head_t wait_q; 625 int (*callback)(struct qeth_card *, struct qeth_reply *, 626 unsigned long); 627 u32 seqno; 628 unsigned long offset; 629 atomic_t received; 630 int rc; 631 void *param; 632 struct qeth_card *card; 633 atomic_t refcnt; 634 }; 635 636 struct qeth_card_blkt { 637 int time_total; 638 int inter_packet; 639 int inter_packet_jumbo; 640 }; 641 642 #define QETH_BROADCAST_WITH_ECHO 0x01 643 #define QETH_BROADCAST_WITHOUT_ECHO 0x02 644 #define QETH_LAYER2_MAC_READ 0x01 645 #define QETH_LAYER2_MAC_REGISTERED 0x02 646 struct qeth_card_info { 647 unsigned short unit_addr2; 648 unsigned short cula; 649 unsigned short chpid; 650 __u16 func_level; 651 char mcl_level[QETH_MCL_LENGTH + 1]; 652 int guestlan; 653 int mac_bits; 654 int portno; 655 enum qeth_card_types type; 656 enum qeth_link_types link_type; 657 int is_multicast_different; 658 int initial_mtu; 659 int max_mtu; 660 int broadcast_capable; 661 int unique_id; 662 struct qeth_card_blkt blkt; 663 enum qeth_ipa_promisc_modes promisc_mode; 664 __u32 diagass_support; 665 __u32 hwtrap; 666 }; 667 668 struct qeth_card_options { 669 struct qeth_routing_info route4; 670 struct qeth_ipa_info ipa4; 671 struct qeth_ipa_info adp; /*Adapter parameters*/ 672 struct qeth_routing_info route6; 673 struct qeth_ipa_info ipa6; 674 struct qeth_sbp_info sbp; /* SETBRIDGEPORT options */ 675 int fake_broadcast; 676 int layer2; 677 int performance_stats; 678 int rx_sg_cb; 679 enum qeth_ipa_isolation_modes isolation; 680 enum qeth_ipa_isolation_modes prev_isolation; 681 int sniffer; 682 enum qeth_cq cq; 683 char hsuid[9]; 684 }; 685 686 /* 687 * thread bits for qeth_card thread masks 688 */ 689 enum qeth_threads { 690 QETH_RECOVER_THREAD = 1, 691 }; 692 693 struct qeth_osn_info { 694 int (*assist_cb)(struct net_device *dev, void *data); 695 int (*data_cb)(struct sk_buff *skb); 696 }; 697 698 enum qeth_discipline_id { 699 QETH_DISCIPLINE_LAYER3 = 0, 700 QETH_DISCIPLINE_LAYER2 = 1, 701 }; 702 703 struct qeth_discipline { 704 const struct device_type *devtype; 705 void (*start_poll)(struct ccw_device *, int, unsigned long); 706 qdio_handler_t *input_handler; 707 qdio_handler_t *output_handler; 708 int (*process_rx_buffer)(struct qeth_card *card, int budget, int *done); 709 int (*recover)(void *ptr); 710 int (*setup) (struct ccwgroup_device *); 711 void (*remove) (struct ccwgroup_device *); 712 int (*set_online) (struct ccwgroup_device *); 713 int (*set_offline) (struct ccwgroup_device *); 714 int (*freeze)(struct ccwgroup_device *); 715 int (*thaw) (struct ccwgroup_device *); 716 int (*restore)(struct ccwgroup_device *); 717 int (*do_ioctl)(struct net_device *dev, struct ifreq *rq, int cmd); 718 int (*control_event_handler)(struct qeth_card *card, 719 struct qeth_ipa_cmd *cmd); 720 }; 721 722 struct qeth_vlan_vid { 723 struct list_head list; 724 unsigned short vid; 725 }; 726 727 enum qeth_addr_disposition { 728 QETH_DISP_ADDR_DELETE = 0, 729 QETH_DISP_ADDR_DO_NOTHING = 1, 730 QETH_DISP_ADDR_ADD = 2, 731 }; 732 733 struct qeth_rx { 734 int b_count; 735 int b_index; 736 struct qdio_buffer_element *b_element; 737 int e_offset; 738 int qdio_err; 739 }; 740 741 struct carrier_info { 742 __u8 card_type; 743 __u16 port_mode; 744 __u32 port_speed; 745 }; 746 747 struct qeth_switch_info { 748 __u32 capabilities; 749 __u32 settings; 750 }; 751 752 #define QETH_NAPI_WEIGHT NAPI_POLL_WEIGHT 753 754 struct qeth_card { 755 struct list_head list; 756 enum qeth_card_states state; 757 int lan_online; 758 spinlock_t lock; 759 struct ccwgroup_device *gdev; 760 struct qeth_channel read; 761 struct qeth_channel write; 762 struct qeth_channel data; 763 764 struct net_device *dev; 765 struct net_device_stats stats; 766 767 struct qeth_card_info info; 768 struct qeth_token token; 769 struct qeth_seqno seqno; 770 struct qeth_card_options options; 771 772 wait_queue_head_t wait_q; 773 spinlock_t vlanlock; 774 spinlock_t mclock; 775 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; 776 struct list_head vid_list; 777 DECLARE_HASHTABLE(mac_htable, 4); 778 DECLARE_HASHTABLE(ip_htable, 4); 779 DECLARE_HASHTABLE(ip_mc_htable, 4); 780 struct work_struct kernel_thread_starter; 781 spinlock_t thread_mask_lock; 782 unsigned long thread_start_mask; 783 unsigned long thread_allowed_mask; 784 unsigned long thread_running_mask; 785 struct task_struct *recovery_task; 786 spinlock_t ip_lock; 787 struct qeth_ipato ipato; 788 struct list_head cmd_waiter_list; 789 /* QDIO buffer handling */ 790 struct qeth_qdio_info qdio; 791 struct qeth_perf_stats perf_stats; 792 int read_or_write_problem; 793 struct qeth_osn_info osn_info; 794 struct qeth_discipline *discipline; 795 atomic_t force_alloc_skb; 796 struct service_level qeth_service_level; 797 struct qdio_ssqd_desc ssqd; 798 debug_info_t *debug; 799 struct mutex conf_mutex; 800 struct mutex discipline_mutex; 801 struct napi_struct napi; 802 struct qeth_rx rx; 803 struct delayed_work buffer_reclaim_work; 804 int reclaim_index; 805 struct work_struct close_dev_work; 806 }; 807 808 struct qeth_card_list_struct { 809 struct list_head list; 810 rwlock_t rwlock; 811 }; 812 813 struct qeth_trap_id { 814 __u16 lparnr; 815 char vmname[8]; 816 __u8 chpid; 817 __u8 ssid; 818 __u16 devno; 819 } __packed; 820 821 /*some helper functions*/ 822 #define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "") 823 824 /** 825 * qeth_get_elements_for_range() - find number of SBALEs to cover range. 826 * @start: Start of the address range. 827 * @end: Address after the end of the range. 828 * 829 * Returns the number of pages, and thus QDIO buffer elements, needed to cover 830 * the specified address range. 831 */ 832 static inline int qeth_get_elements_for_range(addr_t start, addr_t end) 833 { 834 return PFN_UP(end - 1) - PFN_DOWN(start); 835 } 836 837 static inline int qeth_get_micros(void) 838 { 839 return (int) (get_tod_clock() >> 12); 840 } 841 842 static inline int qeth_get_ip_version(struct sk_buff *skb) 843 { 844 __be16 *p = &((struct ethhdr *)skb->data)->h_proto; 845 846 if (be16_to_cpu(*p) == ETH_P_8021Q) 847 p += 2; 848 switch (be16_to_cpu(*p)) { 849 case ETH_P_IPV6: 850 return 6; 851 case ETH_P_IP: 852 return 4; 853 default: 854 return 0; 855 } 856 } 857 858 static inline int qeth_get_ip_protocol(struct sk_buff *skb) 859 { 860 return ip_hdr(skb)->protocol; 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 const struct attribute_group qeth_device_attr_group; 880 extern const struct attribute_group qeth_device_blkt_group; 881 extern const struct device_type qeth_generic_devtype; 882 extern struct workqueue_struct *qeth_wq; 883 884 int qeth_card_hw_is_reachable(struct qeth_card *); 885 const char *qeth_get_cardname_short(struct qeth_card *); 886 int qeth_realloc_buffer_pool(struct qeth_card *, int); 887 int qeth_core_load_discipline(struct qeth_card *, enum qeth_discipline_id); 888 void qeth_core_free_discipline(struct qeth_card *); 889 890 /* exports for qeth discipline device drivers */ 891 extern struct qeth_card_list_struct qeth_core_card_list; 892 extern struct kmem_cache *qeth_core_header_cache; 893 extern struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS]; 894 895 void qeth_set_recovery_task(struct qeth_card *); 896 void qeth_clear_recovery_task(struct qeth_card *); 897 void qeth_set_allowed_threads(struct qeth_card *, unsigned long , int); 898 int qeth_threads_running(struct qeth_card *, unsigned long); 899 int qeth_wait_for_threads(struct qeth_card *, unsigned long); 900 int qeth_do_run_thread(struct qeth_card *, unsigned long); 901 void qeth_clear_thread_start_bit(struct qeth_card *, unsigned long); 902 void qeth_clear_thread_running_bit(struct qeth_card *, unsigned long); 903 int qeth_core_hardsetup_card(struct qeth_card *); 904 void qeth_print_status_message(struct qeth_card *); 905 int qeth_init_qdio_queues(struct qeth_card *); 906 int qeth_send_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, 907 int (*reply_cb) 908 (struct qeth_card *, struct qeth_reply *, unsigned long), 909 void *); 910 struct qeth_cmd_buffer *qeth_get_ipacmd_buffer(struct qeth_card *, 911 enum qeth_ipa_cmds, enum qeth_prot_versions); 912 int qeth_query_setadapterparms(struct qeth_card *); 913 struct sk_buff *qeth_core_get_next_skb(struct qeth_card *, 914 struct qeth_qdio_buffer *, struct qdio_buffer_element **, int *, 915 struct qeth_hdr **); 916 void qeth_schedule_recovery(struct qeth_card *); 917 void qeth_qdio_start_poll(struct ccw_device *, int, unsigned long); 918 int qeth_poll(struct napi_struct *napi, int budget); 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_query_switch_attributes(struct qeth_card *card, 940 struct qeth_switch_info *sw_info); 941 int qeth_send_control_data(struct qeth_card *, int, struct qeth_cmd_buffer *, 942 int (*reply_cb)(struct qeth_card *, struct qeth_reply*, unsigned long), 943 void *reply_param); 944 int qeth_bridgeport_query_ports(struct qeth_card *card, 945 enum qeth_sbp_roles *role, enum qeth_sbp_states *state); 946 int qeth_bridgeport_setrole(struct qeth_card *card, enum qeth_sbp_roles role); 947 int qeth_bridgeport_an_set(struct qeth_card *card, int enable); 948 int qeth_get_priority_queue(struct qeth_card *, struct sk_buff *, int, int); 949 int qeth_get_elements_no(struct qeth_card *card, struct sk_buff *skb, 950 int extra_elems, int data_offset); 951 int qeth_get_elements_for_frags(struct sk_buff *); 952 int qeth_do_send_packet_fast(struct qeth_card *, struct qeth_qdio_out_q *, 953 struct sk_buff *, struct qeth_hdr *, int, int); 954 int qeth_do_send_packet(struct qeth_card *, struct qeth_qdio_out_q *, 955 struct sk_buff *, struct qeth_hdr *, int); 956 int qeth_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); 957 int qeth_core_get_sset_count(struct net_device *, int); 958 void qeth_core_get_ethtool_stats(struct net_device *, 959 struct ethtool_stats *, u64 *); 960 void qeth_core_get_strings(struct net_device *, u32, u8 *); 961 void qeth_core_get_drvinfo(struct net_device *, struct ethtool_drvinfo *); 962 void qeth_dbf_longtext(debug_info_t *id, int level, char *text, ...); 963 int qeth_core_ethtool_get_link_ksettings(struct net_device *netdev, 964 struct ethtool_link_ksettings *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 int qeth_send_simple_setassparms(struct qeth_card *, enum qeth_ipa_funcs, 973 __u16, long); 974 int qeth_send_setassparms(struct qeth_card *, struct qeth_cmd_buffer *, __u16, 975 long, 976 int (*reply_cb)(struct qeth_card *, 977 struct qeth_reply *, unsigned long), 978 void *); 979 int qeth_setassparms_cb(struct qeth_card *, struct qeth_reply *, unsigned long); 980 struct qeth_cmd_buffer *qeth_get_setassparms_cmd(struct qeth_card *, 981 enum qeth_ipa_funcs, 982 __u16, __u16, 983 enum qeth_prot_versions); 984 int qeth_set_features(struct net_device *, netdev_features_t); 985 int qeth_recover_features(struct net_device *); 986 netdev_features_t qeth_fix_features(struct net_device *, netdev_features_t); 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