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_HEADER_SIZE 32 244 #define QETH_MAX_PORTNO 15 245 246 /*IPv6 address autoconfiguration stuff*/ 247 #define UNIQUE_ID_IF_CREATE_ADDR_FAILED 0xfffe 248 #define UNIQUE_ID_NOT_BY_CARD 0x10000 249 250 /*****************************************************************************/ 251 /* QDIO queue and buffer handling */ 252 /*****************************************************************************/ 253 #define QETH_MAX_QUEUES 4 254 #define QETH_IN_BUF_SIZE_DEFAULT 65536 255 #define QETH_IN_BUF_COUNT_DEFAULT 64 256 #define QETH_IN_BUF_COUNT_HSDEFAULT 128 257 #define QETH_IN_BUF_COUNT_MIN 8 258 #define QETH_IN_BUF_COUNT_MAX 128 259 #define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12) 260 #define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \ 261 ((card)->qdio.in_buf_pool.buf_count / 2) 262 263 /* buffers we have to be behind before we get a PCI */ 264 #define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1) 265 /*enqueued free buffers left before we get a PCI*/ 266 #define QETH_PCI_THRESHOLD_B(card) 0 267 /*not used unless the microcode gets patched*/ 268 #define QETH_PCI_TIMER_VALUE(card) 3 269 270 /* priority queing */ 271 #define QETH_PRIOQ_DEFAULT QETH_NO_PRIO_QUEUEING 272 #define QETH_DEFAULT_QUEUE 2 273 #define QETH_NO_PRIO_QUEUEING 0 274 #define QETH_PRIO_Q_ING_PREC 1 275 #define QETH_PRIO_Q_ING_TOS 2 276 #define QETH_PRIO_Q_ING_SKB 3 277 #define QETH_PRIO_Q_ING_VLAN 4 278 279 /* Packing */ 280 #define QETH_LOW_WATERMARK_PACK 2 281 #define QETH_HIGH_WATERMARK_PACK 5 282 #define QETH_WATERMARK_PACK_FUZZ 1 283 284 #define QETH_IP_HEADER_SIZE 40 285 286 /* large receive scatter gather copy break */ 287 #define QETH_RX_SG_CB (PAGE_SIZE >> 1) 288 #define QETH_RX_PULL_LEN 256 289 290 struct qeth_hdr_layer3 { 291 __u8 id; 292 __u8 flags; 293 __u16 inbound_checksum; /*TSO:__u16 seqno */ 294 __u32 token; /*TSO: __u32 reserved */ 295 __u16 length; 296 __u8 vlan_prio; 297 __u8 ext_flags; 298 __u16 vlan_id; 299 __u16 frame_offset; 300 __u8 dest_addr[16]; 301 } __attribute__ ((packed)); 302 303 struct qeth_hdr_layer2 { 304 __u8 id; 305 __u8 flags[3]; 306 __u8 port_no; 307 __u8 hdr_length; 308 __u16 pkt_length; 309 __u16 seq_no; 310 __u16 vlan_id; 311 __u32 reserved; 312 __u8 reserved2[16]; 313 } __attribute__ ((packed)); 314 315 struct qeth_hdr_osn { 316 __u8 id; 317 __u8 reserved; 318 __u16 seq_no; 319 __u16 reserved2; 320 __u16 control_flags; 321 __u16 pdu_length; 322 __u8 reserved3[18]; 323 __u32 ccid; 324 } __attribute__ ((packed)); 325 326 struct qeth_hdr { 327 union { 328 struct qeth_hdr_layer2 l2; 329 struct qeth_hdr_layer3 l3; 330 struct qeth_hdr_osn osn; 331 } hdr; 332 } __attribute__ ((packed)); 333 334 /*TCP Segmentation Offload header*/ 335 struct qeth_hdr_ext_tso { 336 __u16 hdr_tot_len; 337 __u8 imb_hdr_no; 338 __u8 reserved; 339 __u8 hdr_type; 340 __u8 hdr_version; 341 __u16 hdr_len; 342 __u32 payload_len; 343 __u16 mss; 344 __u16 dg_hdr_len; 345 __u8 padding[16]; 346 } __attribute__ ((packed)); 347 348 struct qeth_hdr_tso { 349 struct qeth_hdr hdr; /*hdr->hdr.l3.xxx*/ 350 struct qeth_hdr_ext_tso ext; 351 } __attribute__ ((packed)); 352 353 354 /* flags for qeth_hdr.flags */ 355 #define QETH_HDR_PASSTHRU 0x10 356 #define QETH_HDR_IPV6 0x80 357 #define QETH_HDR_CAST_MASK 0x07 358 enum qeth_cast_flags { 359 QETH_CAST_UNICAST = 0x06, 360 QETH_CAST_MULTICAST = 0x04, 361 QETH_CAST_BROADCAST = 0x05, 362 QETH_CAST_ANYCAST = 0x07, 363 QETH_CAST_NOCAST = 0x00, 364 }; 365 366 enum qeth_layer2_frame_flags { 367 QETH_LAYER2_FLAG_MULTICAST = 0x01, 368 QETH_LAYER2_FLAG_BROADCAST = 0x02, 369 QETH_LAYER2_FLAG_UNICAST = 0x04, 370 QETH_LAYER2_FLAG_VLAN = 0x10, 371 }; 372 373 enum qeth_header_ids { 374 QETH_HEADER_TYPE_LAYER3 = 0x01, 375 QETH_HEADER_TYPE_LAYER2 = 0x02, 376 QETH_HEADER_TYPE_TSO = 0x03, 377 QETH_HEADER_TYPE_OSN = 0x04, 378 }; 379 /* flags for qeth_hdr.ext_flags */ 380 #define QETH_HDR_EXT_VLAN_FRAME 0x01 381 #define QETH_HDR_EXT_TOKEN_ID 0x02 382 #define QETH_HDR_EXT_INCLUDE_VLAN_TAG 0x04 383 #define QETH_HDR_EXT_SRC_MAC_ADDR 0x08 384 #define QETH_HDR_EXT_CSUM_HDR_REQ 0x10 385 #define QETH_HDR_EXT_CSUM_TRANSP_REQ 0x20 386 #define QETH_HDR_EXT_UDP 0x40 /*bit off for TCP*/ 387 388 enum qeth_qdio_buffer_states { 389 /* 390 * inbound: read out by driver; owned by hardware in order to be filled 391 * outbound: owned by driver in order to be filled 392 */ 393 QETH_QDIO_BUF_EMPTY, 394 /* 395 * inbound: filled by hardware; owned by driver in order to be read out 396 * outbound: filled by driver; owned by hardware in order to be sent 397 */ 398 QETH_QDIO_BUF_PRIMED, 399 /* 400 * inbound: not applicable 401 * outbound: identified to be pending in TPQ 402 */ 403 QETH_QDIO_BUF_PENDING, 404 /* 405 * inbound: not applicable 406 * outbound: found in completion queue 407 */ 408 QETH_QDIO_BUF_IN_CQ, 409 /* 410 * inbound: not applicable 411 * outbound: handled via transfer pending / completion queue 412 */ 413 QETH_QDIO_BUF_HANDLED_DELAYED, 414 }; 415 416 enum qeth_qdio_info_states { 417 QETH_QDIO_UNINITIALIZED, 418 QETH_QDIO_ALLOCATED, 419 QETH_QDIO_ESTABLISHED, 420 QETH_QDIO_CLEANING 421 }; 422 423 struct qeth_buffer_pool_entry { 424 struct list_head list; 425 struct list_head init_list; 426 void *elements[QDIO_MAX_ELEMENTS_PER_BUFFER]; 427 }; 428 429 struct qeth_qdio_buffer_pool { 430 struct list_head entry_list; 431 int buf_count; 432 }; 433 434 struct qeth_qdio_buffer { 435 struct qdio_buffer *buffer; 436 /* the buffer pool entry currently associated to this buffer */ 437 struct qeth_buffer_pool_entry *pool_entry; 438 struct sk_buff *rx_skb; 439 }; 440 441 struct qeth_qdio_q { 442 struct qdio_buffer *qdio_bufs[QDIO_MAX_BUFFERS_PER_Q]; 443 struct qeth_qdio_buffer bufs[QDIO_MAX_BUFFERS_PER_Q]; 444 int next_buf_to_init; 445 }; 446 447 struct qeth_qdio_out_buffer { 448 struct qdio_buffer *buffer; 449 atomic_t state; 450 int next_element_to_fill; 451 struct sk_buff_head skb_list; 452 int is_header[16]; 453 454 struct qaob *aob; 455 struct qeth_qdio_out_q *q; 456 struct qeth_qdio_out_buffer *next_pending; 457 }; 458 459 struct qeth_card; 460 461 enum qeth_out_q_states { 462 QETH_OUT_Q_UNLOCKED, 463 QETH_OUT_Q_LOCKED, 464 QETH_OUT_Q_LOCKED_FLUSH, 465 }; 466 467 struct qeth_qdio_out_q { 468 struct qdio_buffer *qdio_bufs[QDIO_MAX_BUFFERS_PER_Q]; 469 struct qeth_qdio_out_buffer *bufs[QDIO_MAX_BUFFERS_PER_Q]; 470 struct qdio_outbuf_state *bufstates; /* convenience pointer */ 471 int queue_no; 472 struct qeth_card *card; 473 atomic_t state; 474 int do_pack; 475 /* 476 * index of buffer to be filled by driver; state EMPTY or PACKING 477 */ 478 int next_buf_to_fill; 479 /* 480 * number of buffers that are currently filled (PRIMED) 481 * -> these buffers are hardware-owned 482 */ 483 atomic_t used_buffers; 484 /* indicates whether PCI flag must be set (or if one is outstanding) */ 485 atomic_t set_pci_flags_count; 486 }; 487 488 struct qeth_qdio_info { 489 atomic_t state; 490 /* input */ 491 int no_in_queues; 492 struct qeth_qdio_q *in_q; 493 struct qeth_qdio_q *c_q; 494 struct qeth_qdio_buffer_pool in_buf_pool; 495 struct qeth_qdio_buffer_pool init_pool; 496 int in_buf_size; 497 498 /* output */ 499 int no_out_queues; 500 struct qeth_qdio_out_q **out_qs; 501 struct qdio_outbuf_state *out_bufstates; 502 503 /* priority queueing */ 504 int do_prio_queueing; 505 int default_out_queue; 506 }; 507 508 enum qeth_send_errors { 509 QETH_SEND_ERROR_NONE, 510 QETH_SEND_ERROR_LINK_FAILURE, 511 QETH_SEND_ERROR_RETRY, 512 QETH_SEND_ERROR_KICK_IT, 513 }; 514 515 #define QETH_ETH_MAC_V4 0x0100 /* like v4 */ 516 #define QETH_ETH_MAC_V6 0x3333 /* like v6 */ 517 /* tr mc mac is longer, but that will be enough to detect mc frames */ 518 #define QETH_TR_MAC_NC 0xc000 /* non-canonical */ 519 #define QETH_TR_MAC_C 0x0300 /* canonical */ 520 521 #define DEFAULT_ADD_HHLEN 0 522 #define MAX_ADD_HHLEN 1024 523 524 /** 525 * buffer stuff for read channel 526 */ 527 #define QETH_CMD_BUFFER_NO 8 528 529 /** 530 * channel state machine 531 */ 532 enum qeth_channel_states { 533 CH_STATE_UP, 534 CH_STATE_DOWN, 535 CH_STATE_ACTIVATING, 536 CH_STATE_HALTED, 537 CH_STATE_STOPPED, 538 CH_STATE_RCD, 539 CH_STATE_RCD_DONE, 540 }; 541 /** 542 * card state machine 543 */ 544 enum qeth_card_states { 545 CARD_STATE_DOWN, 546 CARD_STATE_HARDSETUP, 547 CARD_STATE_SOFTSETUP, 548 CARD_STATE_UP, 549 CARD_STATE_RECOVER, 550 }; 551 552 /** 553 * Protocol versions 554 */ 555 enum qeth_prot_versions { 556 QETH_PROT_IPV4 = 0x0004, 557 QETH_PROT_IPV6 = 0x0006, 558 }; 559 560 enum qeth_ip_types { 561 QETH_IP_TYPE_NORMAL, 562 QETH_IP_TYPE_VIPA, 563 QETH_IP_TYPE_RXIP, 564 }; 565 566 enum qeth_cmd_buffer_state { 567 BUF_STATE_FREE, 568 BUF_STATE_LOCKED, 569 BUF_STATE_PROCESSED, 570 }; 571 572 enum qeth_cq { 573 QETH_CQ_DISABLED = 0, 574 QETH_CQ_ENABLED = 1, 575 QETH_CQ_NOTAVAILABLE = 2, 576 }; 577 578 struct qeth_ipato { 579 int enabled; 580 int invert4; 581 int invert6; 582 struct list_head entries; 583 }; 584 585 struct qeth_channel; 586 587 struct qeth_cmd_buffer { 588 enum qeth_cmd_buffer_state state; 589 struct qeth_channel *channel; 590 unsigned char *data; 591 int rc; 592 void (*callback) (struct qeth_channel *, struct qeth_cmd_buffer *); 593 }; 594 595 /** 596 * definition of a qeth channel, used for read and write 597 */ 598 struct qeth_channel { 599 enum qeth_channel_states state; 600 struct ccw1 ccw; 601 spinlock_t iob_lock; 602 wait_queue_head_t wait_q; 603 struct ccw_device *ccwdev; 604 /*command buffer for control data*/ 605 struct qeth_cmd_buffer iob[QETH_CMD_BUFFER_NO]; 606 atomic_t irq_pending; 607 int io_buf_no; 608 int buf_no; 609 }; 610 611 /** 612 * OSA card related definitions 613 */ 614 struct qeth_token { 615 __u32 issuer_rm_w; 616 __u32 issuer_rm_r; 617 __u32 cm_filter_w; 618 __u32 cm_filter_r; 619 __u32 cm_connection_w; 620 __u32 cm_connection_r; 621 __u32 ulp_filter_w; 622 __u32 ulp_filter_r; 623 __u32 ulp_connection_w; 624 __u32 ulp_connection_r; 625 }; 626 627 struct qeth_seqno { 628 __u32 trans_hdr; 629 __u32 pdu_hdr; 630 __u32 pdu_hdr_ack; 631 __u16 ipa; 632 __u32 pkt_seqno; 633 }; 634 635 struct qeth_reply { 636 struct list_head list; 637 wait_queue_head_t wait_q; 638 int (*callback)(struct qeth_card *, struct qeth_reply *, 639 unsigned long); 640 u32 seqno; 641 unsigned long offset; 642 atomic_t received; 643 int rc; 644 void *param; 645 struct qeth_card *card; 646 atomic_t refcnt; 647 }; 648 649 650 struct qeth_card_blkt { 651 int time_total; 652 int inter_packet; 653 int inter_packet_jumbo; 654 }; 655 656 #define QETH_BROADCAST_WITH_ECHO 0x01 657 #define QETH_BROADCAST_WITHOUT_ECHO 0x02 658 #define QETH_LAYER2_MAC_READ 0x01 659 #define QETH_LAYER2_MAC_REGISTERED 0x02 660 struct qeth_card_info { 661 unsigned short unit_addr2; 662 unsigned short cula; 663 unsigned short chpid; 664 __u16 func_level; 665 char mcl_level[QETH_MCL_LENGTH + 1]; 666 int guestlan; 667 int mac_bits; 668 int portno; 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 enum qeth_addr_disposition { 745 QETH_DISP_ADDR_DELETE = 0, 746 QETH_DISP_ADDR_DO_NOTHING = 1, 747 QETH_DISP_ADDR_ADD = 2, 748 }; 749 750 struct qeth_rx { 751 int b_count; 752 int b_index; 753 struct qdio_buffer_element *b_element; 754 int e_offset; 755 int qdio_err; 756 }; 757 758 struct carrier_info { 759 __u8 card_type; 760 __u16 port_mode; 761 __u32 port_speed; 762 }; 763 764 struct qeth_switch_info { 765 __u32 capabilities; 766 __u32 settings; 767 }; 768 769 #define QETH_NAPI_WEIGHT NAPI_POLL_WEIGHT 770 771 struct qeth_card { 772 struct list_head list; 773 enum qeth_card_states state; 774 int lan_online; 775 spinlock_t lock; 776 struct ccwgroup_device *gdev; 777 struct qeth_channel read; 778 struct qeth_channel write; 779 struct qeth_channel data; 780 781 struct net_device *dev; 782 struct net_device_stats stats; 783 784 struct qeth_card_info info; 785 struct qeth_token token; 786 struct qeth_seqno seqno; 787 struct qeth_card_options options; 788 789 wait_queue_head_t wait_q; 790 spinlock_t vlanlock; 791 spinlock_t mclock; 792 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; 793 struct list_head vid_list; 794 DECLARE_HASHTABLE(mac_htable, 4); 795 DECLARE_HASHTABLE(ip_htable, 4); 796 DECLARE_HASHTABLE(ip_mc_htable, 4); 797 struct work_struct kernel_thread_starter; 798 spinlock_t thread_mask_lock; 799 unsigned long thread_start_mask; 800 unsigned long thread_allowed_mask; 801 unsigned long thread_running_mask; 802 struct task_struct *recovery_task; 803 spinlock_t ip_lock; 804 struct qeth_ipato ipato; 805 struct list_head cmd_waiter_list; 806 /* QDIO buffer handling */ 807 struct qeth_qdio_info qdio; 808 struct qeth_perf_stats perf_stats; 809 int read_or_write_problem; 810 struct qeth_osn_info osn_info; 811 struct qeth_discipline *discipline; 812 atomic_t force_alloc_skb; 813 struct service_level qeth_service_level; 814 struct qdio_ssqd_desc ssqd; 815 debug_info_t *debug; 816 struct mutex conf_mutex; 817 struct mutex discipline_mutex; 818 struct napi_struct napi; 819 struct qeth_rx rx; 820 struct delayed_work buffer_reclaim_work; 821 int reclaim_index; 822 struct work_struct close_dev_work; 823 }; 824 825 struct qeth_card_list_struct { 826 struct list_head list; 827 rwlock_t rwlock; 828 }; 829 830 struct qeth_trap_id { 831 __u16 lparnr; 832 char vmname[8]; 833 __u8 chpid; 834 __u8 ssid; 835 __u16 devno; 836 } __packed; 837 838 /*some helper functions*/ 839 #define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "") 840 841 /** 842 * qeth_get_elements_for_range() - find number of SBALEs to cover range. 843 * @start: Start of the address range. 844 * @end: Address after the end of the range. 845 * 846 * Returns the number of pages, and thus QDIO buffer elements, needed to cover 847 * the specified address range. 848 */ 849 static inline int qeth_get_elements_for_range(addr_t start, addr_t end) 850 { 851 return PFN_UP(end - 1) - PFN_DOWN(start); 852 } 853 854 static inline int qeth_get_micros(void) 855 { 856 return (int) (get_tod_clock() >> 12); 857 } 858 859 static inline int qeth_get_ip_version(struct sk_buff *skb) 860 { 861 __be16 *p = &((struct ethhdr *)skb->data)->h_proto; 862 863 if (*p == ETH_P_8021Q) 864 p += 2; 865 switch (*p) { 866 case ETH_P_IPV6: 867 return 6; 868 case ETH_P_IP: 869 return 4; 870 default: 871 return 0; 872 } 873 } 874 875 static inline int qeth_get_ip_protocol(struct sk_buff *skb) 876 { 877 return ip_hdr(skb)->protocol; 878 } 879 880 static inline void qeth_put_buffer_pool_entry(struct qeth_card *card, 881 struct qeth_buffer_pool_entry *entry) 882 { 883 list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list); 884 } 885 886 static inline int qeth_is_diagass_supported(struct qeth_card *card, 887 enum qeth_diags_cmds cmd) 888 { 889 return card->info.diagass_support & (__u32)cmd; 890 } 891 892 extern struct qeth_discipline qeth_l2_discipline; 893 extern struct qeth_discipline qeth_l3_discipline; 894 extern const struct attribute_group *qeth_generic_attr_groups[]; 895 extern const struct attribute_group *qeth_osn_attr_groups[]; 896 extern struct workqueue_struct *qeth_wq; 897 898 int qeth_card_hw_is_reachable(struct qeth_card *); 899 const char *qeth_get_cardname_short(struct qeth_card *); 900 int qeth_realloc_buffer_pool(struct qeth_card *, int); 901 int qeth_core_load_discipline(struct qeth_card *, enum qeth_discipline_id); 902 void qeth_core_free_discipline(struct qeth_card *); 903 904 /* exports for qeth discipline device drivers */ 905 extern struct qeth_card_list_struct qeth_core_card_list; 906 extern struct kmem_cache *qeth_core_header_cache; 907 extern struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS]; 908 909 void qeth_set_recovery_task(struct qeth_card *); 910 void qeth_clear_recovery_task(struct qeth_card *); 911 void qeth_set_allowed_threads(struct qeth_card *, unsigned long , int); 912 int qeth_threads_running(struct qeth_card *, unsigned long); 913 int qeth_wait_for_threads(struct qeth_card *, unsigned long); 914 int qeth_do_run_thread(struct qeth_card *, unsigned long); 915 void qeth_clear_thread_start_bit(struct qeth_card *, unsigned long); 916 void qeth_clear_thread_running_bit(struct qeth_card *, unsigned long); 917 int qeth_core_hardsetup_card(struct qeth_card *); 918 void qeth_print_status_message(struct qeth_card *); 919 int qeth_init_qdio_queues(struct qeth_card *); 920 int qeth_send_startlan(struct qeth_card *); 921 int qeth_send_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, 922 int (*reply_cb) 923 (struct qeth_card *, struct qeth_reply *, unsigned long), 924 void *); 925 struct qeth_cmd_buffer *qeth_get_ipacmd_buffer(struct qeth_card *, 926 enum qeth_ipa_cmds, enum qeth_prot_versions); 927 int qeth_query_setadapterparms(struct qeth_card *); 928 int qeth_check_qdio_errors(struct qeth_card *, struct qdio_buffer *, 929 unsigned int, const char *); 930 void qeth_queue_input_buffer(struct qeth_card *, int); 931 struct sk_buff *qeth_core_get_next_skb(struct qeth_card *, 932 struct qeth_qdio_buffer *, struct qdio_buffer_element **, int *, 933 struct qeth_hdr **); 934 void qeth_schedule_recovery(struct qeth_card *); 935 void qeth_qdio_start_poll(struct ccw_device *, int, unsigned long); 936 void qeth_qdio_input_handler(struct ccw_device *, 937 unsigned int, unsigned int, int, 938 int, unsigned long); 939 void qeth_qdio_output_handler(struct ccw_device *, unsigned int, 940 int, int, int, unsigned long); 941 void qeth_clear_ipacmd_list(struct qeth_card *); 942 int qeth_qdio_clear_card(struct qeth_card *, int); 943 void qeth_clear_working_pool_list(struct qeth_card *); 944 void qeth_clear_cmd_buffers(struct qeth_channel *); 945 void qeth_clear_qdio_buffers(struct qeth_card *); 946 void qeth_setadp_promisc_mode(struct qeth_card *); 947 struct net_device_stats *qeth_get_stats(struct net_device *); 948 int qeth_change_mtu(struct net_device *, int); 949 int qeth_setadpparms_change_macaddr(struct qeth_card *); 950 void qeth_tx_timeout(struct net_device *); 951 void qeth_prepare_control_data(struct qeth_card *, int, 952 struct qeth_cmd_buffer *); 953 void qeth_release_buffer(struct qeth_channel *, struct qeth_cmd_buffer *); 954 void qeth_prepare_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, char); 955 struct qeth_cmd_buffer *qeth_wait_for_buffer(struct qeth_channel *); 956 int qeth_mdio_read(struct net_device *, int, int); 957 int qeth_snmp_command(struct qeth_card *, char __user *); 958 int qeth_query_oat_command(struct qeth_card *, char __user *); 959 int qeth_query_switch_attributes(struct qeth_card *card, 960 struct qeth_switch_info *sw_info); 961 int qeth_send_control_data(struct qeth_card *, int, struct qeth_cmd_buffer *, 962 int (*reply_cb)(struct qeth_card *, struct qeth_reply*, unsigned long), 963 void *reply_param); 964 int qeth_bridgeport_query_ports(struct qeth_card *card, 965 enum qeth_sbp_roles *role, enum qeth_sbp_states *state); 966 int qeth_bridgeport_setrole(struct qeth_card *card, enum qeth_sbp_roles role); 967 int qeth_bridgeport_an_set(struct qeth_card *card, int enable); 968 int qeth_get_priority_queue(struct qeth_card *, struct sk_buff *, int, int); 969 int qeth_get_elements_no(struct qeth_card *, struct sk_buff *, int); 970 int qeth_get_elements_for_frags(struct sk_buff *); 971 int qeth_do_send_packet_fast(struct qeth_card *, struct qeth_qdio_out_q *, 972 struct sk_buff *, struct qeth_hdr *, int, int, int); 973 int qeth_do_send_packet(struct qeth_card *, struct qeth_qdio_out_q *, 974 struct sk_buff *, struct qeth_hdr *, int); 975 int qeth_core_get_sset_count(struct net_device *, int); 976 void qeth_core_get_ethtool_stats(struct net_device *, 977 struct ethtool_stats *, u64 *); 978 void qeth_core_get_strings(struct net_device *, u32, u8 *); 979 void qeth_core_get_drvinfo(struct net_device *, struct ethtool_drvinfo *); 980 void qeth_dbf_longtext(debug_info_t *id, int level, char *text, ...); 981 int qeth_core_ethtool_get_settings(struct net_device *, struct ethtool_cmd *); 982 int qeth_set_access_ctrl_online(struct qeth_card *card, int fallback); 983 int qeth_hdr_chk_and_bounce(struct sk_buff *, struct qeth_hdr **, int); 984 int qeth_configure_cq(struct qeth_card *, enum qeth_cq); 985 int qeth_hw_trap(struct qeth_card *, enum qeth_diags_trap_action); 986 int qeth_query_ipassists(struct qeth_card *, enum qeth_prot_versions prot); 987 void qeth_trace_features(struct qeth_card *); 988 void qeth_close_dev(struct qeth_card *); 989 int qeth_send_simple_setassparms(struct qeth_card *, enum qeth_ipa_funcs, 990 __u16, long); 991 int qeth_send_setassparms(struct qeth_card *, struct qeth_cmd_buffer *, __u16, 992 long, 993 int (*reply_cb)(struct qeth_card *, 994 struct qeth_reply *, unsigned long), 995 void *); 996 int qeth_setassparms_cb(struct qeth_card *, struct qeth_reply *, unsigned long); 997 struct qeth_cmd_buffer *qeth_get_setassparms_cmd(struct qeth_card *, 998 enum qeth_ipa_funcs, 999 __u16, __u16, 1000 enum qeth_prot_versions); 1001 int qeth_set_features(struct net_device *, netdev_features_t); 1002 netdev_features_t qeth_fix_features(struct net_device *, netdev_features_t); 1003 1004 /* exports for OSN */ 1005 int qeth_osn_assist(struct net_device *, void *, int); 1006 int qeth_osn_register(unsigned char *read_dev_no, struct net_device **, 1007 int (*assist_cb)(struct net_device *, void *), 1008 int (*data_cb)(struct sk_buff *)); 1009 void qeth_osn_deregister(struct net_device *); 1010 1011 #endif /* __QETH_CORE_H__ */ 1012