1 /* 2 * Copyright IBM Corp. 2007 3 * Author(s): Utz Bacher <utz.bacher@de.ibm.com>, 4 * Frank Pavlic <fpavlic@de.ibm.com>, 5 * Thomas Spatzier <tspat@de.ibm.com>, 6 * Frank Blaschka <frank.blaschka@de.ibm.com> 7 */ 8 9 #ifndef __QETH_CORE_H__ 10 #define __QETH_CORE_H__ 11 12 #include <linux/if.h> 13 #include <linux/if_arp.h> 14 #include <linux/etherdevice.h> 15 #include <linux/if_vlan.h> 16 #include <linux/ctype.h> 17 #include <linux/in6.h> 18 #include <linux/bitops.h> 19 #include <linux/seq_file.h> 20 #include <linux/ethtool.h> 21 22 #include <net/ipv6.h> 23 #include <net/if_inet6.h> 24 #include <net/addrconf.h> 25 26 #include <asm/debug.h> 27 #include <asm/qdio.h> 28 #include <asm/ccwdev.h> 29 #include <asm/ccwgroup.h> 30 #include <asm/sysinfo.h> 31 32 #include "qeth_core_mpc.h" 33 34 /** 35 * Debug Facility stuff 36 */ 37 enum qeth_dbf_names { 38 QETH_DBF_SETUP, 39 QETH_DBF_MSG, 40 QETH_DBF_CTRL, 41 QETH_DBF_INFOS /* must be last element */ 42 }; 43 44 struct qeth_dbf_info { 45 char name[DEBUG_MAX_NAME_LEN]; 46 int pages; 47 int areas; 48 int len; 49 int level; 50 struct debug_view *view; 51 debug_info_t *id; 52 }; 53 54 #define QETH_DBF_CTRL_LEN 256 55 56 #define QETH_DBF_TEXT(name, level, text) \ 57 debug_text_event(qeth_dbf[QETH_DBF_##name].id, level, text) 58 59 #define QETH_DBF_HEX(name, level, addr, len) \ 60 debug_event(qeth_dbf[QETH_DBF_##name].id, level, (void *)(addr), len) 61 62 #define QETH_DBF_MESSAGE(level, text...) \ 63 debug_sprintf_event(qeth_dbf[QETH_DBF_MSG].id, level, text) 64 65 #define QETH_DBF_TEXT_(name, level, text...) \ 66 qeth_dbf_longtext(qeth_dbf[QETH_DBF_##name].id, level, text) 67 68 #define QETH_CARD_TEXT(card, level, text) \ 69 debug_text_event(card->debug, level, text) 70 71 #define QETH_CARD_HEX(card, level, addr, len) \ 72 debug_event(card->debug, level, (void *)(addr), len) 73 74 #define QETH_CARD_MESSAGE(card, text...) \ 75 debug_sprintf_event(card->debug, level, text) 76 77 #define QETH_CARD_TEXT_(card, level, text...) \ 78 qeth_dbf_longtext(card->debug, level, text) 79 80 #define SENSE_COMMAND_REJECT_BYTE 0 81 #define SENSE_COMMAND_REJECT_FLAG 0x80 82 #define SENSE_RESETTING_EVENT_BYTE 1 83 #define SENSE_RESETTING_EVENT_FLAG 0x80 84 85 /* 86 * Common IO related definitions 87 */ 88 #define CARD_RDEV(card) card->read.ccwdev 89 #define CARD_WDEV(card) card->write.ccwdev 90 #define CARD_DDEV(card) card->data.ccwdev 91 #define CARD_BUS_ID(card) dev_name(&card->gdev->dev) 92 #define CARD_RDEV_ID(card) dev_name(&card->read.ccwdev->dev) 93 #define CARD_WDEV_ID(card) dev_name(&card->write.ccwdev->dev) 94 #define CARD_DDEV_ID(card) dev_name(&card->data.ccwdev->dev) 95 #define CHANNEL_ID(channel) dev_name(&channel->ccwdev->dev) 96 97 /** 98 * card stuff 99 */ 100 struct qeth_perf_stats { 101 unsigned int bufs_rec; 102 unsigned int bufs_sent; 103 104 unsigned int skbs_sent_pack; 105 unsigned int bufs_sent_pack; 106 107 unsigned int sc_dp_p; 108 unsigned int sc_p_dp; 109 /* qdio_cq_handler: number of times called, time spent in */ 110 __u64 cq_start_time; 111 unsigned int cq_cnt; 112 unsigned int cq_time; 113 /* qdio_input_handler: number of times called, time spent in */ 114 __u64 inbound_start_time; 115 unsigned int inbound_cnt; 116 unsigned int inbound_time; 117 /* qeth_send_packet: number of times called, time spent in */ 118 __u64 outbound_start_time; 119 unsigned int outbound_cnt; 120 unsigned int outbound_time; 121 /* qdio_output_handler: number of times called, time spent in */ 122 __u64 outbound_handler_start_time; 123 unsigned int outbound_handler_cnt; 124 unsigned int outbound_handler_time; 125 /* number of calls to and time spent in do_QDIO for inbound queue */ 126 __u64 inbound_do_qdio_start_time; 127 unsigned int inbound_do_qdio_cnt; 128 unsigned int inbound_do_qdio_time; 129 /* number of calls to and time spent in do_QDIO for outbound queues */ 130 __u64 outbound_do_qdio_start_time; 131 unsigned int outbound_do_qdio_cnt; 132 unsigned int outbound_do_qdio_time; 133 unsigned int large_send_bytes; 134 unsigned int large_send_cnt; 135 unsigned int sg_skbs_sent; 136 unsigned int sg_frags_sent; 137 /* initial values when measuring starts */ 138 unsigned long initial_rx_packets; 139 unsigned long initial_tx_packets; 140 /* inbound scatter gather data */ 141 unsigned int sg_skbs_rx; 142 unsigned int sg_frags_rx; 143 unsigned int sg_alloc_page_rx; 144 unsigned int tx_csum; 145 unsigned int tx_lin; 146 }; 147 148 /* Routing stuff */ 149 struct qeth_routing_info { 150 enum qeth_routing_types type; 151 }; 152 153 /* IPA stuff */ 154 struct qeth_ipa_info { 155 __u32 supported_funcs; 156 __u32 enabled_funcs; 157 }; 158 159 static inline int qeth_is_ipa_supported(struct qeth_ipa_info *ipa, 160 enum qeth_ipa_funcs func) 161 { 162 return (ipa->supported_funcs & func); 163 } 164 165 static inline int qeth_is_ipa_enabled(struct qeth_ipa_info *ipa, 166 enum qeth_ipa_funcs func) 167 { 168 return (ipa->supported_funcs & ipa->enabled_funcs & func); 169 } 170 171 #define qeth_adp_supported(c, f) \ 172 qeth_is_ipa_supported(&c->options.adp, f) 173 #define qeth_adp_enabled(c, f) \ 174 qeth_is_ipa_enabled(&c->options.adp, f) 175 #define qeth_is_supported(c, f) \ 176 qeth_is_ipa_supported(&c->options.ipa4, f) 177 #define qeth_is_enabled(c, f) \ 178 qeth_is_ipa_enabled(&c->options.ipa4, f) 179 #define qeth_is_supported6(c, f) \ 180 qeth_is_ipa_supported(&c->options.ipa6, f) 181 #define qeth_is_enabled6(c, f) \ 182 qeth_is_ipa_enabled(&c->options.ipa6, f) 183 #define qeth_is_ipafunc_supported(c, prot, f) \ 184 ((prot == QETH_PROT_IPV6) ? \ 185 qeth_is_supported6(c, f) : qeth_is_supported(c, f)) 186 #define qeth_is_ipafunc_enabled(c, prot, f) \ 187 ((prot == QETH_PROT_IPV6) ? \ 188 qeth_is_enabled6(c, f) : qeth_is_enabled(c, f)) 189 190 #define QETH_IDX_FUNC_LEVEL_OSD 0x0101 191 #define QETH_IDX_FUNC_LEVEL_IQD 0x4108 192 193 #define QETH_MODELLIST_ARRAY \ 194 {{0x1731, 0x01, 0x1732, QETH_CARD_TYPE_OSD, QETH_MAX_QUEUES, 0}, \ 195 {0x1731, 0x05, 0x1732, QETH_CARD_TYPE_IQD, QETH_MAX_QUEUES, 0x103}, \ 196 {0x1731, 0x06, 0x1732, QETH_CARD_TYPE_OSN, QETH_MAX_QUEUES, 0}, \ 197 {0x1731, 0x02, 0x1732, QETH_CARD_TYPE_OSM, QETH_MAX_QUEUES, 0}, \ 198 {0x1731, 0x02, 0x1732, QETH_CARD_TYPE_OSX, QETH_MAX_QUEUES, 0}, \ 199 {0, 0, 0, 0, 0, 0} } 200 #define QETH_CU_TYPE_IND 0 201 #define QETH_CU_MODEL_IND 1 202 #define QETH_DEV_TYPE_IND 2 203 #define QETH_DEV_MODEL_IND 3 204 #define QETH_QUEUE_NO_IND 4 205 #define QETH_MULTICAST_IND 5 206 207 #define QETH_REAL_CARD 1 208 #define QETH_VLAN_CARD 2 209 #define QETH_BUFSIZE 4096 210 211 /** 212 * some more defs 213 */ 214 #define QETH_TX_TIMEOUT 100 * HZ 215 #define QETH_RCD_TIMEOUT 60 * HZ 216 #define QETH_RECLAIM_WORK_TIME HZ 217 #define QETH_HEADER_SIZE 32 218 #define QETH_MAX_PORTNO 15 219 220 /*IPv6 address autoconfiguration stuff*/ 221 #define UNIQUE_ID_IF_CREATE_ADDR_FAILED 0xfffe 222 #define UNIQUE_ID_NOT_BY_CARD 0x10000 223 224 /*****************************************************************************/ 225 /* QDIO queue and buffer handling */ 226 /*****************************************************************************/ 227 #define QETH_MAX_QUEUES 4 228 #define QETH_IN_BUF_SIZE_DEFAULT 65536 229 #define QETH_IN_BUF_COUNT_DEFAULT 64 230 #define QETH_IN_BUF_COUNT_HSDEFAULT 128 231 #define QETH_IN_BUF_COUNT_MIN 8 232 #define QETH_IN_BUF_COUNT_MAX 128 233 #define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12) 234 #define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \ 235 ((card)->qdio.in_buf_pool.buf_count / 2) 236 237 /* buffers we have to be behind before we get a PCI */ 238 #define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1) 239 /*enqueued free buffers left before we get a PCI*/ 240 #define QETH_PCI_THRESHOLD_B(card) 0 241 /*not used unless the microcode gets patched*/ 242 #define QETH_PCI_TIMER_VALUE(card) 3 243 244 /* priority queing */ 245 #define QETH_PRIOQ_DEFAULT QETH_NO_PRIO_QUEUEING 246 #define QETH_DEFAULT_QUEUE 2 247 #define QETH_NO_PRIO_QUEUEING 0 248 #define QETH_PRIO_Q_ING_PREC 1 249 #define QETH_PRIO_Q_ING_TOS 2 250 #define IP_TOS_LOWDELAY 0x10 251 #define IP_TOS_HIGHTHROUGHPUT 0x08 252 #define IP_TOS_HIGHRELIABILITY 0x04 253 #define IP_TOS_NOTIMPORTANT 0x02 254 255 /* Packing */ 256 #define QETH_LOW_WATERMARK_PACK 2 257 #define QETH_HIGH_WATERMARK_PACK 5 258 #define QETH_WATERMARK_PACK_FUZZ 1 259 260 #define QETH_IP_HEADER_SIZE 40 261 262 /* large receive scatter gather copy break */ 263 #define QETH_RX_SG_CB (PAGE_SIZE >> 1) 264 #define QETH_RX_PULL_LEN 256 265 266 struct qeth_hdr_layer3 { 267 __u8 id; 268 __u8 flags; 269 __u16 inbound_checksum; /*TSO:__u16 seqno */ 270 __u32 token; /*TSO: __u32 reserved */ 271 __u16 length; 272 __u8 vlan_prio; 273 __u8 ext_flags; 274 __u16 vlan_id; 275 __u16 frame_offset; 276 __u8 dest_addr[16]; 277 } __attribute__ ((packed)); 278 279 struct qeth_hdr_layer2 { 280 __u8 id; 281 __u8 flags[3]; 282 __u8 port_no; 283 __u8 hdr_length; 284 __u16 pkt_length; 285 __u16 seq_no; 286 __u16 vlan_id; 287 __u32 reserved; 288 __u8 reserved2[16]; 289 } __attribute__ ((packed)); 290 291 struct qeth_hdr_osn { 292 __u8 id; 293 __u8 reserved; 294 __u16 seq_no; 295 __u16 reserved2; 296 __u16 control_flags; 297 __u16 pdu_length; 298 __u8 reserved3[18]; 299 __u32 ccid; 300 } __attribute__ ((packed)); 301 302 struct qeth_hdr { 303 union { 304 struct qeth_hdr_layer2 l2; 305 struct qeth_hdr_layer3 l3; 306 struct qeth_hdr_osn osn; 307 } hdr; 308 } __attribute__ ((packed)); 309 310 /*TCP Segmentation Offload header*/ 311 struct qeth_hdr_ext_tso { 312 __u16 hdr_tot_len; 313 __u8 imb_hdr_no; 314 __u8 reserved; 315 __u8 hdr_type; 316 __u8 hdr_version; 317 __u16 hdr_len; 318 __u32 payload_len; 319 __u16 mss; 320 __u16 dg_hdr_len; 321 __u8 padding[16]; 322 } __attribute__ ((packed)); 323 324 struct qeth_hdr_tso { 325 struct qeth_hdr hdr; /*hdr->hdr.l3.xxx*/ 326 struct qeth_hdr_ext_tso ext; 327 } __attribute__ ((packed)); 328 329 330 /* flags for qeth_hdr.flags */ 331 #define QETH_HDR_PASSTHRU 0x10 332 #define QETH_HDR_IPV6 0x80 333 #define QETH_HDR_CAST_MASK 0x07 334 enum qeth_cast_flags { 335 QETH_CAST_UNICAST = 0x06, 336 QETH_CAST_MULTICAST = 0x04, 337 QETH_CAST_BROADCAST = 0x05, 338 QETH_CAST_ANYCAST = 0x07, 339 QETH_CAST_NOCAST = 0x00, 340 }; 341 342 enum qeth_layer2_frame_flags { 343 QETH_LAYER2_FLAG_MULTICAST = 0x01, 344 QETH_LAYER2_FLAG_BROADCAST = 0x02, 345 QETH_LAYER2_FLAG_UNICAST = 0x04, 346 QETH_LAYER2_FLAG_VLAN = 0x10, 347 }; 348 349 enum qeth_header_ids { 350 QETH_HEADER_TYPE_LAYER3 = 0x01, 351 QETH_HEADER_TYPE_LAYER2 = 0x02, 352 QETH_HEADER_TYPE_TSO = 0x03, 353 QETH_HEADER_TYPE_OSN = 0x04, 354 }; 355 /* flags for qeth_hdr.ext_flags */ 356 #define QETH_HDR_EXT_VLAN_FRAME 0x01 357 #define QETH_HDR_EXT_TOKEN_ID 0x02 358 #define QETH_HDR_EXT_INCLUDE_VLAN_TAG 0x04 359 #define QETH_HDR_EXT_SRC_MAC_ADDR 0x08 360 #define QETH_HDR_EXT_CSUM_HDR_REQ 0x10 361 #define QETH_HDR_EXT_CSUM_TRANSP_REQ 0x20 362 #define QETH_HDR_EXT_UDP 0x40 /*bit off for TCP*/ 363 364 static inline int qeth_is_last_sbale(struct qdio_buffer_element *sbale) 365 { 366 return (sbale->eflags & SBAL_EFLAGS_LAST_ENTRY); 367 } 368 369 enum qeth_qdio_buffer_states { 370 /* 371 * inbound: read out by driver; owned by hardware in order to be filled 372 * outbound: owned by driver in order to be filled 373 */ 374 QETH_QDIO_BUF_EMPTY, 375 /* 376 * inbound: filled by hardware; owned by driver in order to be read out 377 * outbound: filled by driver; owned by hardware in order to be sent 378 */ 379 QETH_QDIO_BUF_PRIMED, 380 /* 381 * inbound: not applicable 382 * outbound: identified to be pending in TPQ 383 */ 384 QETH_QDIO_BUF_PENDING, 385 /* 386 * inbound: not applicable 387 * outbound: found in completion queue 388 */ 389 QETH_QDIO_BUF_IN_CQ, 390 /* 391 * inbound: not applicable 392 * outbound: handled via transfer pending / completion queue 393 */ 394 QETH_QDIO_BUF_HANDLED_DELAYED, 395 }; 396 397 enum qeth_qdio_info_states { 398 QETH_QDIO_UNINITIALIZED, 399 QETH_QDIO_ALLOCATED, 400 QETH_QDIO_ESTABLISHED, 401 QETH_QDIO_CLEANING 402 }; 403 404 struct qeth_buffer_pool_entry { 405 struct list_head list; 406 struct list_head init_list; 407 void *elements[QDIO_MAX_ELEMENTS_PER_BUFFER]; 408 }; 409 410 struct qeth_qdio_buffer_pool { 411 struct list_head entry_list; 412 int buf_count; 413 }; 414 415 struct qeth_qdio_buffer { 416 struct qdio_buffer *buffer; 417 /* the buffer pool entry currently associated to this buffer */ 418 struct qeth_buffer_pool_entry *pool_entry; 419 struct sk_buff *rx_skb; 420 }; 421 422 struct qeth_qdio_q { 423 struct qdio_buffer qdio_bufs[QDIO_MAX_BUFFERS_PER_Q]; 424 struct qeth_qdio_buffer bufs[QDIO_MAX_BUFFERS_PER_Q]; 425 int next_buf_to_init; 426 } __attribute__ ((aligned(256))); 427 428 struct qeth_qdio_out_buffer { 429 struct qdio_buffer *buffer; 430 atomic_t state; 431 int next_element_to_fill; 432 struct sk_buff_head skb_list; 433 int is_header[16]; 434 435 struct qaob *aob; 436 struct qeth_qdio_out_q *q; 437 struct qeth_qdio_out_buffer *next_pending; 438 }; 439 440 struct qeth_card; 441 442 enum qeth_out_q_states { 443 QETH_OUT_Q_UNLOCKED, 444 QETH_OUT_Q_LOCKED, 445 QETH_OUT_Q_LOCKED_FLUSH, 446 }; 447 448 struct qeth_qdio_out_q { 449 struct qdio_buffer qdio_bufs[QDIO_MAX_BUFFERS_PER_Q]; 450 struct qeth_qdio_out_buffer *bufs[QDIO_MAX_BUFFERS_PER_Q]; 451 struct qdio_outbuf_state *bufstates; /* convenience pointer */ 452 int queue_no; 453 struct qeth_card *card; 454 atomic_t state; 455 int do_pack; 456 /* 457 * index of buffer to be filled by driver; state EMPTY or PACKING 458 */ 459 int next_buf_to_fill; 460 /* 461 * number of buffers that are currently filled (PRIMED) 462 * -> these buffers are hardware-owned 463 */ 464 atomic_t used_buffers; 465 /* indicates whether PCI flag must be set (or if one is outstanding) */ 466 atomic_t set_pci_flags_count; 467 } __attribute__ ((aligned(256))); 468 469 struct qeth_qdio_info { 470 atomic_t state; 471 /* input */ 472 int no_in_queues; 473 struct qeth_qdio_q *in_q; 474 struct qeth_qdio_q *c_q; 475 struct qeth_qdio_buffer_pool in_buf_pool; 476 struct qeth_qdio_buffer_pool init_pool; 477 int in_buf_size; 478 479 /* output */ 480 int no_out_queues; 481 struct qeth_qdio_out_q **out_qs; 482 struct qdio_outbuf_state *out_bufstates; 483 484 /* priority queueing */ 485 int do_prio_queueing; 486 int default_out_queue; 487 }; 488 489 enum qeth_send_errors { 490 QETH_SEND_ERROR_NONE, 491 QETH_SEND_ERROR_LINK_FAILURE, 492 QETH_SEND_ERROR_RETRY, 493 QETH_SEND_ERROR_KICK_IT, 494 }; 495 496 #define QETH_ETH_MAC_V4 0x0100 /* like v4 */ 497 #define QETH_ETH_MAC_V6 0x3333 /* like v6 */ 498 /* tr mc mac is longer, but that will be enough to detect mc frames */ 499 #define QETH_TR_MAC_NC 0xc000 /* non-canonical */ 500 #define QETH_TR_MAC_C 0x0300 /* canonical */ 501 502 #define DEFAULT_ADD_HHLEN 0 503 #define MAX_ADD_HHLEN 1024 504 505 /** 506 * buffer stuff for read channel 507 */ 508 #define QETH_CMD_BUFFER_NO 8 509 510 /** 511 * channel state machine 512 */ 513 enum qeth_channel_states { 514 CH_STATE_UP, 515 CH_STATE_DOWN, 516 CH_STATE_ACTIVATING, 517 CH_STATE_HALTED, 518 CH_STATE_STOPPED, 519 CH_STATE_RCD, 520 CH_STATE_RCD_DONE, 521 }; 522 /** 523 * card state machine 524 */ 525 enum qeth_card_states { 526 CARD_STATE_DOWN, 527 CARD_STATE_HARDSETUP, 528 CARD_STATE_SOFTSETUP, 529 CARD_STATE_UP, 530 CARD_STATE_RECOVER, 531 }; 532 533 /** 534 * Protocol versions 535 */ 536 enum qeth_prot_versions { 537 QETH_PROT_IPV4 = 0x0004, 538 QETH_PROT_IPV6 = 0x0006, 539 }; 540 541 enum qeth_ip_types { 542 QETH_IP_TYPE_NORMAL, 543 QETH_IP_TYPE_VIPA, 544 QETH_IP_TYPE_RXIP, 545 QETH_IP_TYPE_DEL_ALL_MC, 546 }; 547 548 enum qeth_cmd_buffer_state { 549 BUF_STATE_FREE, 550 BUF_STATE_LOCKED, 551 BUF_STATE_PROCESSED, 552 }; 553 554 enum qeth_cq { 555 QETH_CQ_DISABLED = 0, 556 QETH_CQ_ENABLED = 1, 557 QETH_CQ_NOTAVAILABLE = 2, 558 }; 559 560 struct qeth_ipato { 561 int enabled; 562 int invert4; 563 int invert6; 564 struct list_head entries; 565 }; 566 567 struct qeth_channel; 568 569 struct qeth_cmd_buffer { 570 enum qeth_cmd_buffer_state state; 571 struct qeth_channel *channel; 572 unsigned char *data; 573 int rc; 574 void (*callback) (struct qeth_channel *, struct qeth_cmd_buffer *); 575 }; 576 577 /** 578 * definition of a qeth channel, used for read and write 579 */ 580 struct qeth_channel { 581 enum qeth_channel_states state; 582 struct ccw1 ccw; 583 spinlock_t iob_lock; 584 wait_queue_head_t wait_q; 585 struct tasklet_struct irq_tasklet; 586 struct ccw_device *ccwdev; 587 /*command buffer for control data*/ 588 struct qeth_cmd_buffer iob[QETH_CMD_BUFFER_NO]; 589 atomic_t irq_pending; 590 int io_buf_no; 591 int buf_no; 592 }; 593 594 /** 595 * OSA card related definitions 596 */ 597 struct qeth_token { 598 __u32 issuer_rm_w; 599 __u32 issuer_rm_r; 600 __u32 cm_filter_w; 601 __u32 cm_filter_r; 602 __u32 cm_connection_w; 603 __u32 cm_connection_r; 604 __u32 ulp_filter_w; 605 __u32 ulp_filter_r; 606 __u32 ulp_connection_w; 607 __u32 ulp_connection_r; 608 }; 609 610 struct qeth_seqno { 611 __u32 trans_hdr; 612 __u32 pdu_hdr; 613 __u32 pdu_hdr_ack; 614 __u16 ipa; 615 __u32 pkt_seqno; 616 }; 617 618 struct qeth_reply { 619 struct list_head list; 620 wait_queue_head_t wait_q; 621 int (*callback)(struct qeth_card *, struct qeth_reply *, 622 unsigned long); 623 u32 seqno; 624 unsigned long offset; 625 atomic_t received; 626 int rc; 627 void *param; 628 struct qeth_card *card; 629 atomic_t refcnt; 630 }; 631 632 633 struct qeth_card_blkt { 634 int time_total; 635 int inter_packet; 636 int inter_packet_jumbo; 637 }; 638 639 #define QETH_BROADCAST_WITH_ECHO 0x01 640 #define QETH_BROADCAST_WITHOUT_ECHO 0x02 641 #define QETH_LAYER2_MAC_READ 0x01 642 #define QETH_LAYER2_MAC_REGISTERED 0x02 643 struct qeth_card_info { 644 unsigned short unit_addr2; 645 unsigned short cula; 646 unsigned short chpid; 647 __u16 func_level; 648 char mcl_level[QETH_MCL_LENGTH + 1]; 649 int guestlan; 650 int mac_bits; 651 int portname_required; 652 int portno; 653 char portname[9]; 654 enum qeth_card_types type; 655 enum qeth_link_types link_type; 656 int is_multicast_different; 657 int initial_mtu; 658 int max_mtu; 659 int broadcast_capable; 660 int unique_id; 661 struct qeth_card_blkt blkt; 662 __u32 csum_mask; 663 __u32 tx_csum_mask; 664 enum qeth_ipa_promisc_modes promisc_mode; 665 __u32 diagass_support; 666 __u32 hwtrap; 667 }; 668 669 struct qeth_card_options { 670 struct qeth_routing_info route4; 671 struct qeth_ipa_info ipa4; 672 struct qeth_ipa_info adp; /*Adapter parameters*/ 673 struct qeth_routing_info route6; 674 struct qeth_ipa_info ipa6; 675 int fake_broadcast; 676 int add_hhlen; 677 int layer2; 678 int performance_stats; 679 int rx_sg_cb; 680 enum qeth_ipa_isolation_modes 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 void (*start_poll)(struct ccw_device *, int, unsigned long); 705 qdio_handler_t *input_handler; 706 qdio_handler_t *output_handler; 707 int (*recover)(void *ptr); 708 int (*setup) (struct ccwgroup_device *); 709 void (*remove) (struct ccwgroup_device *); 710 int (*set_online) (struct ccwgroup_device *); 711 int (*set_offline) (struct ccwgroup_device *); 712 void (*shutdown)(struct ccwgroup_device *); 713 int (*prepare) (struct ccwgroup_device *); 714 void (*complete) (struct ccwgroup_device *); 715 int (*freeze)(struct ccwgroup_device *); 716 int (*thaw) (struct ccwgroup_device *); 717 int (*restore)(struct ccwgroup_device *); 718 }; 719 720 struct qeth_vlan_vid { 721 struct list_head list; 722 unsigned short vid; 723 }; 724 725 struct qeth_mc_mac { 726 struct list_head list; 727 __u8 mc_addr[MAX_ADDR_LEN]; 728 unsigned char mc_addrlen; 729 int is_vmac; 730 }; 731 732 struct qeth_rx { 733 int b_count; 734 int b_index; 735 struct qdio_buffer_element *b_element; 736 int e_offset; 737 int qdio_err; 738 }; 739 740 #define QETH_NAPI_WEIGHT 128 741 742 struct qeth_card { 743 struct list_head list; 744 enum qeth_card_states state; 745 int lan_online; 746 spinlock_t lock; 747 struct ccwgroup_device *gdev; 748 struct qeth_channel read; 749 struct qeth_channel write; 750 struct qeth_channel data; 751 752 struct net_device *dev; 753 struct net_device_stats stats; 754 755 struct qeth_card_info info; 756 struct qeth_token token; 757 struct qeth_seqno seqno; 758 struct qeth_card_options options; 759 760 wait_queue_head_t wait_q; 761 spinlock_t vlanlock; 762 spinlock_t mclock; 763 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; 764 struct list_head vid_list; 765 struct list_head mc_list; 766 struct work_struct kernel_thread_starter; 767 spinlock_t thread_mask_lock; 768 unsigned long thread_start_mask; 769 unsigned long thread_allowed_mask; 770 unsigned long thread_running_mask; 771 spinlock_t ip_lock; 772 struct list_head ip_list; 773 struct list_head *ip_tbd_list; 774 struct qeth_ipato ipato; 775 struct list_head cmd_waiter_list; 776 /* QDIO buffer handling */ 777 struct qeth_qdio_info qdio; 778 struct qeth_perf_stats perf_stats; 779 int read_or_write_problem; 780 struct qeth_osn_info osn_info; 781 struct qeth_discipline *discipline; 782 atomic_t force_alloc_skb; 783 struct service_level qeth_service_level; 784 struct qdio_ssqd_desc ssqd; 785 debug_info_t *debug; 786 struct mutex conf_mutex; 787 struct mutex discipline_mutex; 788 struct napi_struct napi; 789 struct qeth_rx rx; 790 struct delayed_work buffer_reclaim_work; 791 int reclaim_index; 792 }; 793 794 struct qeth_card_list_struct { 795 struct list_head list; 796 rwlock_t rwlock; 797 }; 798 799 struct qeth_trap_id { 800 __u16 lparnr; 801 char vmname[8]; 802 __u8 chpid; 803 __u8 ssid; 804 __u16 devno; 805 } __packed; 806 807 /*some helper functions*/ 808 #define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "") 809 810 static inline struct qeth_card *CARD_FROM_CDEV(struct ccw_device *cdev) 811 { 812 struct qeth_card *card = dev_get_drvdata(&((struct ccwgroup_device *) 813 dev_get_drvdata(&cdev->dev))->dev); 814 return card; 815 } 816 817 static inline int qeth_get_micros(void) 818 { 819 return (int) (get_clock() >> 12); 820 } 821 822 static inline int qeth_get_ip_version(struct sk_buff *skb) 823 { 824 struct ethhdr *ehdr = (struct ethhdr *)skb->data; 825 switch (ehdr->h_proto) { 826 case ETH_P_IPV6: 827 return 6; 828 case ETH_P_IP: 829 return 4; 830 default: 831 return 0; 832 } 833 } 834 835 static inline void qeth_put_buffer_pool_entry(struct qeth_card *card, 836 struct qeth_buffer_pool_entry *entry) 837 { 838 list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list); 839 } 840 841 static inline int qeth_is_diagass_supported(struct qeth_card *card, 842 enum qeth_diags_cmds cmd) 843 { 844 return card->info.diagass_support & (__u32)cmd; 845 } 846 847 extern struct qeth_discipline qeth_l2_discipline; 848 extern struct qeth_discipline qeth_l3_discipline; 849 extern const struct attribute_group *qeth_generic_attr_groups[]; 850 extern const struct attribute_group *qeth_osn_attr_groups[]; 851 852 const char *qeth_get_cardname_short(struct qeth_card *); 853 int qeth_realloc_buffer_pool(struct qeth_card *, int); 854 int qeth_core_load_discipline(struct qeth_card *, enum qeth_discipline_id); 855 void qeth_core_free_discipline(struct qeth_card *); 856 void qeth_buffer_reclaim_work(struct work_struct *); 857 858 /* exports for qeth discipline device drivers */ 859 extern struct qeth_card_list_struct qeth_core_card_list; 860 extern struct kmem_cache *qeth_core_header_cache; 861 extern struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS]; 862 863 void qeth_set_allowed_threads(struct qeth_card *, unsigned long , int); 864 int qeth_threads_running(struct qeth_card *, unsigned long); 865 int qeth_wait_for_threads(struct qeth_card *, unsigned long); 866 int qeth_do_run_thread(struct qeth_card *, unsigned long); 867 void qeth_clear_thread_start_bit(struct qeth_card *, unsigned long); 868 void qeth_clear_thread_running_bit(struct qeth_card *, unsigned long); 869 int qeth_core_hardsetup_card(struct qeth_card *); 870 void qeth_print_status_message(struct qeth_card *); 871 int qeth_init_qdio_queues(struct qeth_card *); 872 int qeth_send_startlan(struct qeth_card *); 873 int qeth_send_stoplan(struct qeth_card *); 874 int qeth_send_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, 875 int (*reply_cb) 876 (struct qeth_card *, struct qeth_reply *, unsigned long), 877 void *); 878 struct qeth_cmd_buffer *qeth_get_ipacmd_buffer(struct qeth_card *, 879 enum qeth_ipa_cmds, enum qeth_prot_versions); 880 int qeth_query_setadapterparms(struct qeth_card *); 881 int qeth_check_qdio_errors(struct qeth_card *, struct qdio_buffer *, 882 unsigned int, const char *); 883 void qeth_queue_input_buffer(struct qeth_card *, int); 884 struct sk_buff *qeth_core_get_next_skb(struct qeth_card *, 885 struct qeth_qdio_buffer *, struct qdio_buffer_element **, int *, 886 struct qeth_hdr **); 887 void qeth_schedule_recovery(struct qeth_card *); 888 void qeth_qdio_start_poll(struct ccw_device *, int, unsigned long); 889 void qeth_qdio_input_handler(struct ccw_device *, 890 unsigned int, unsigned int, int, 891 int, unsigned long); 892 void qeth_qdio_output_handler(struct ccw_device *, unsigned int, 893 int, int, int, unsigned long); 894 void qeth_clear_ipacmd_list(struct qeth_card *); 895 int qeth_qdio_clear_card(struct qeth_card *, int); 896 void qeth_clear_working_pool_list(struct qeth_card *); 897 void qeth_clear_cmd_buffers(struct qeth_channel *); 898 void qeth_clear_qdio_buffers(struct qeth_card *); 899 void qeth_setadp_promisc_mode(struct qeth_card *); 900 struct net_device_stats *qeth_get_stats(struct net_device *); 901 int qeth_change_mtu(struct net_device *, int); 902 int qeth_setadpparms_change_macaddr(struct qeth_card *); 903 void qeth_tx_timeout(struct net_device *); 904 void qeth_prepare_control_data(struct qeth_card *, int, 905 struct qeth_cmd_buffer *); 906 void qeth_release_buffer(struct qeth_channel *, struct qeth_cmd_buffer *); 907 void qeth_prepare_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, char); 908 struct qeth_cmd_buffer *qeth_wait_for_buffer(struct qeth_channel *); 909 int qeth_mdio_read(struct net_device *, int, int); 910 int qeth_snmp_command(struct qeth_card *, char __user *); 911 int qeth_query_oat_command(struct qeth_card *, char __user *); 912 struct qeth_cmd_buffer *qeth_get_adapter_cmd(struct qeth_card *, __u32, __u32); 913 int qeth_default_setadapterparms_cb(struct qeth_card *, struct qeth_reply *, 914 unsigned long); 915 int qeth_send_control_data(struct qeth_card *, int, struct qeth_cmd_buffer *, 916 int (*reply_cb)(struct qeth_card *, struct qeth_reply*, unsigned long), 917 void *reply_param); 918 int qeth_get_priority_queue(struct qeth_card *, struct sk_buff *, int, int); 919 int qeth_get_elements_no(struct qeth_card *, void *, struct sk_buff *, int); 920 int qeth_do_send_packet_fast(struct qeth_card *, struct qeth_qdio_out_q *, 921 struct sk_buff *, struct qeth_hdr *, int, int, int); 922 int qeth_do_send_packet(struct qeth_card *, struct qeth_qdio_out_q *, 923 struct sk_buff *, struct qeth_hdr *, int); 924 int qeth_core_get_sset_count(struct net_device *, int); 925 void qeth_core_get_ethtool_stats(struct net_device *, 926 struct ethtool_stats *, u64 *); 927 void qeth_core_get_strings(struct net_device *, u32, u8 *); 928 void qeth_core_get_drvinfo(struct net_device *, struct ethtool_drvinfo *); 929 void qeth_dbf_longtext(debug_info_t *id, int level, char *text, ...); 930 int qeth_core_ethtool_get_settings(struct net_device *, struct ethtool_cmd *); 931 int qeth_set_access_ctrl_online(struct qeth_card *card); 932 int qeth_hdr_chk_and_bounce(struct sk_buff *, int); 933 int qeth_configure_cq(struct qeth_card *, enum qeth_cq); 934 int qeth_hw_trap(struct qeth_card *, enum qeth_diags_trap_action); 935 int qeth_query_ipassists(struct qeth_card *, enum qeth_prot_versions prot); 936 void qeth_trace_features(struct qeth_card *); 937 938 /* exports for OSN */ 939 int qeth_osn_assist(struct net_device *, void *, int); 940 int qeth_osn_register(unsigned char *read_dev_no, struct net_device **, 941 int (*assist_cb)(struct net_device *, void *), 942 int (*data_cb)(struct sk_buff *)); 943 void qeth_osn_deregister(struct net_device *); 944 945 #endif /* __QETH_CORE_H__ */ 946