1 /* 2 * drivers/s390/net/qeth_core.h 3 * 4 * Copyright IBM Corp. 2007 5 * Author(s): Utz Bacher <utz.bacher@de.ibm.com>, 6 * Frank Pavlic <fpavlic@de.ibm.com>, 7 * Thomas Spatzier <tspat@de.ibm.com>, 8 * Frank Blaschka <frank.blaschka@de.ibm.com> 9 */ 10 11 #ifndef __QETH_CORE_H__ 12 #define __QETH_CORE_H__ 13 14 #include <linux/if.h> 15 #include <linux/if_arp.h> 16 #include <linux/etherdevice.h> 17 #include <linux/if_vlan.h> 18 #include <linux/ctype.h> 19 #include <linux/in6.h> 20 #include <linux/bitops.h> 21 #include <linux/seq_file.h> 22 #include <linux/ethtool.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 }; 149 150 /* Routing stuff */ 151 struct qeth_routing_info { 152 enum qeth_routing_types type; 153 }; 154 155 /* IPA stuff */ 156 struct qeth_ipa_info { 157 __u32 supported_funcs; 158 __u32 enabled_funcs; 159 }; 160 161 static inline int qeth_is_ipa_supported(struct qeth_ipa_info *ipa, 162 enum qeth_ipa_funcs func) 163 { 164 return (ipa->supported_funcs & func); 165 } 166 167 static inline int qeth_is_ipa_enabled(struct qeth_ipa_info *ipa, 168 enum qeth_ipa_funcs func) 169 { 170 return (ipa->supported_funcs & ipa->enabled_funcs & func); 171 } 172 173 #define qeth_adp_supported(c, f) \ 174 qeth_is_ipa_supported(&c->options.adp, f) 175 #define qeth_adp_enabled(c, f) \ 176 qeth_is_ipa_enabled(&c->options.adp, f) 177 #define qeth_is_supported(c, f) \ 178 qeth_is_ipa_supported(&c->options.ipa4, f) 179 #define qeth_is_enabled(c, f) \ 180 qeth_is_ipa_enabled(&c->options.ipa4, f) 181 #define qeth_is_supported6(c, f) \ 182 qeth_is_ipa_supported(&c->options.ipa6, f) 183 #define qeth_is_enabled6(c, f) \ 184 qeth_is_ipa_enabled(&c->options.ipa6, f) 185 #define qeth_is_ipafunc_supported(c, prot, f) \ 186 ((prot == QETH_PROT_IPV6) ? \ 187 qeth_is_supported6(c, f) : qeth_is_supported(c, f)) 188 #define qeth_is_ipafunc_enabled(c, prot, f) \ 189 ((prot == QETH_PROT_IPV6) ? \ 190 qeth_is_enabled6(c, f) : qeth_is_enabled(c, f)) 191 192 #define QETH_IDX_FUNC_LEVEL_OSD 0x0101 193 #define QETH_IDX_FUNC_LEVEL_IQD 0x4108 194 195 #define QETH_MODELLIST_ARRAY \ 196 {{0x1731, 0x01, 0x1732, QETH_CARD_TYPE_OSD, QETH_MAX_QUEUES, 0}, \ 197 {0x1731, 0x05, 0x1732, QETH_CARD_TYPE_IQD, QETH_MAX_QUEUES, 0x103}, \ 198 {0x1731, 0x06, 0x1732, QETH_CARD_TYPE_OSN, QETH_MAX_QUEUES, 0}, \ 199 {0x1731, 0x02, 0x1732, QETH_CARD_TYPE_OSM, QETH_MAX_QUEUES, 0}, \ 200 {0x1731, 0x02, 0x1732, QETH_CARD_TYPE_OSX, QETH_MAX_QUEUES, 0}, \ 201 {0, 0, 0, 0, 0, 0} } 202 #define QETH_CU_TYPE_IND 0 203 #define QETH_CU_MODEL_IND 1 204 #define QETH_DEV_TYPE_IND 2 205 #define QETH_DEV_MODEL_IND 3 206 #define QETH_QUEUE_NO_IND 4 207 #define QETH_MULTICAST_IND 5 208 209 #define QETH_REAL_CARD 1 210 #define QETH_VLAN_CARD 2 211 #define QETH_BUFSIZE 4096 212 213 /** 214 * some more defs 215 */ 216 #define QETH_TX_TIMEOUT 100 * HZ 217 #define QETH_RCD_TIMEOUT 60 * HZ 218 #define QETH_RECLAIM_WORK_TIME HZ 219 #define QETH_HEADER_SIZE 32 220 #define QETH_MAX_PORTNO 15 221 222 /*IPv6 address autoconfiguration stuff*/ 223 #define UNIQUE_ID_IF_CREATE_ADDR_FAILED 0xfffe 224 #define UNIQUE_ID_NOT_BY_CARD 0x10000 225 226 /*****************************************************************************/ 227 /* QDIO queue and buffer handling */ 228 /*****************************************************************************/ 229 #define QETH_MAX_QUEUES 4 230 #define QETH_IN_BUF_SIZE_DEFAULT 65536 231 #define QETH_IN_BUF_COUNT_DEFAULT 64 232 #define QETH_IN_BUF_COUNT_HSDEFAULT 128 233 #define QETH_IN_BUF_COUNT_MIN 8 234 #define QETH_IN_BUF_COUNT_MAX 128 235 #define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12) 236 #define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \ 237 ((card)->qdio.in_buf_pool.buf_count / 2) 238 239 /* buffers we have to be behind before we get a PCI */ 240 #define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1) 241 /*enqueued free buffers left before we get a PCI*/ 242 #define QETH_PCI_THRESHOLD_B(card) 0 243 /*not used unless the microcode gets patched*/ 244 #define QETH_PCI_TIMER_VALUE(card) 3 245 246 /* priority queing */ 247 #define QETH_PRIOQ_DEFAULT QETH_NO_PRIO_QUEUEING 248 #define QETH_DEFAULT_QUEUE 2 249 #define QETH_NO_PRIO_QUEUEING 0 250 #define QETH_PRIO_Q_ING_PREC 1 251 #define QETH_PRIO_Q_ING_TOS 2 252 #define IP_TOS_LOWDELAY 0x10 253 #define IP_TOS_HIGHTHROUGHPUT 0x08 254 #define IP_TOS_HIGHRELIABILITY 0x04 255 #define IP_TOS_NOTIMPORTANT 0x02 256 257 /* Packing */ 258 #define QETH_LOW_WATERMARK_PACK 2 259 #define QETH_HIGH_WATERMARK_PACK 5 260 #define QETH_WATERMARK_PACK_FUZZ 1 261 262 #define QETH_IP_HEADER_SIZE 40 263 264 /* large receive scatter gather copy break */ 265 #define QETH_RX_SG_CB (PAGE_SIZE >> 1) 266 #define QETH_RX_PULL_LEN 256 267 268 struct qeth_hdr_layer3 { 269 __u8 id; 270 __u8 flags; 271 __u16 inbound_checksum; /*TSO:__u16 seqno */ 272 __u32 token; /*TSO: __u32 reserved */ 273 __u16 length; 274 __u8 vlan_prio; 275 __u8 ext_flags; 276 __u16 vlan_id; 277 __u16 frame_offset; 278 __u8 dest_addr[16]; 279 } __attribute__ ((packed)); 280 281 struct qeth_hdr_layer2 { 282 __u8 id; 283 __u8 flags[3]; 284 __u8 port_no; 285 __u8 hdr_length; 286 __u16 pkt_length; 287 __u16 seq_no; 288 __u16 vlan_id; 289 __u32 reserved; 290 __u8 reserved2[16]; 291 } __attribute__ ((packed)); 292 293 struct qeth_hdr_osn { 294 __u8 id; 295 __u8 reserved; 296 __u16 seq_no; 297 __u16 reserved2; 298 __u16 control_flags; 299 __u16 pdu_length; 300 __u8 reserved3[18]; 301 __u32 ccid; 302 } __attribute__ ((packed)); 303 304 struct qeth_hdr { 305 union { 306 struct qeth_hdr_layer2 l2; 307 struct qeth_hdr_layer3 l3; 308 struct qeth_hdr_osn osn; 309 } hdr; 310 } __attribute__ ((packed)); 311 312 /*TCP Segmentation Offload header*/ 313 struct qeth_hdr_ext_tso { 314 __u16 hdr_tot_len; 315 __u8 imb_hdr_no; 316 __u8 reserved; 317 __u8 hdr_type; 318 __u8 hdr_version; 319 __u16 hdr_len; 320 __u32 payload_len; 321 __u16 mss; 322 __u16 dg_hdr_len; 323 __u8 padding[16]; 324 } __attribute__ ((packed)); 325 326 struct qeth_hdr_tso { 327 struct qeth_hdr hdr; /*hdr->hdr.l3.xxx*/ 328 struct qeth_hdr_ext_tso ext; 329 } __attribute__ ((packed)); 330 331 332 /* flags for qeth_hdr.flags */ 333 #define QETH_HDR_PASSTHRU 0x10 334 #define QETH_HDR_IPV6 0x80 335 #define QETH_HDR_CAST_MASK 0x07 336 enum qeth_cast_flags { 337 QETH_CAST_UNICAST = 0x06, 338 QETH_CAST_MULTICAST = 0x04, 339 QETH_CAST_BROADCAST = 0x05, 340 QETH_CAST_ANYCAST = 0x07, 341 QETH_CAST_NOCAST = 0x00, 342 }; 343 344 enum qeth_layer2_frame_flags { 345 QETH_LAYER2_FLAG_MULTICAST = 0x01, 346 QETH_LAYER2_FLAG_BROADCAST = 0x02, 347 QETH_LAYER2_FLAG_UNICAST = 0x04, 348 QETH_LAYER2_FLAG_VLAN = 0x10, 349 }; 350 351 enum qeth_header_ids { 352 QETH_HEADER_TYPE_LAYER3 = 0x01, 353 QETH_HEADER_TYPE_LAYER2 = 0x02, 354 QETH_HEADER_TYPE_TSO = 0x03, 355 QETH_HEADER_TYPE_OSN = 0x04, 356 }; 357 /* flags for qeth_hdr.ext_flags */ 358 #define QETH_HDR_EXT_VLAN_FRAME 0x01 359 #define QETH_HDR_EXT_TOKEN_ID 0x02 360 #define QETH_HDR_EXT_INCLUDE_VLAN_TAG 0x04 361 #define QETH_HDR_EXT_SRC_MAC_ADDR 0x08 362 #define QETH_HDR_EXT_CSUM_HDR_REQ 0x10 363 #define QETH_HDR_EXT_CSUM_TRANSP_REQ 0x20 364 #define QETH_HDR_EXT_UDP 0x40 /*bit off for TCP*/ 365 366 static inline int qeth_is_last_sbale(struct qdio_buffer_element *sbale) 367 { 368 return (sbale->eflags & SBAL_EFLAGS_LAST_ENTRY); 369 } 370 371 enum qeth_qdio_buffer_states { 372 /* 373 * inbound: read out by driver; owned by hardware in order to be filled 374 * outbound: owned by driver in order to be filled 375 */ 376 QETH_QDIO_BUF_EMPTY, 377 /* 378 * inbound: filled by hardware; owned by driver in order to be read out 379 * outbound: filled by driver; owned by hardware in order to be sent 380 */ 381 QETH_QDIO_BUF_PRIMED, 382 /* 383 * inbound: not applicable 384 * outbound: identified to be pending in TPQ 385 */ 386 QETH_QDIO_BUF_PENDING, 387 /* 388 * inbound: not applicable 389 * outbound: found in completion queue 390 */ 391 QETH_QDIO_BUF_IN_CQ, 392 /* 393 * inbound: not applicable 394 * outbound: handled via transfer pending / completion queue 395 */ 396 QETH_QDIO_BUF_HANDLED_DELAYED, 397 }; 398 399 enum qeth_qdio_info_states { 400 QETH_QDIO_UNINITIALIZED, 401 QETH_QDIO_ALLOCATED, 402 QETH_QDIO_ESTABLISHED, 403 QETH_QDIO_CLEANING 404 }; 405 406 struct qeth_buffer_pool_entry { 407 struct list_head list; 408 struct list_head init_list; 409 void *elements[QDIO_MAX_ELEMENTS_PER_BUFFER]; 410 }; 411 412 struct qeth_qdio_buffer_pool { 413 struct list_head entry_list; 414 int buf_count; 415 }; 416 417 struct qeth_qdio_buffer { 418 struct qdio_buffer *buffer; 419 /* the buffer pool entry currently associated to this buffer */ 420 struct qeth_buffer_pool_entry *pool_entry; 421 struct sk_buff *rx_skb; 422 }; 423 424 struct qeth_qdio_q { 425 struct qdio_buffer qdio_bufs[QDIO_MAX_BUFFERS_PER_Q]; 426 struct qeth_qdio_buffer bufs[QDIO_MAX_BUFFERS_PER_Q]; 427 int next_buf_to_init; 428 } __attribute__ ((aligned(256))); 429 430 struct qeth_qdio_out_buffer { 431 struct qdio_buffer *buffer; 432 atomic_t state; 433 int next_element_to_fill; 434 struct sk_buff_head skb_list; 435 int is_header[16]; 436 437 struct qaob *aob; 438 struct qeth_qdio_out_q *q; 439 struct qeth_qdio_out_buffer *next_pending; 440 }; 441 442 struct qeth_card; 443 444 enum qeth_out_q_states { 445 QETH_OUT_Q_UNLOCKED, 446 QETH_OUT_Q_LOCKED, 447 QETH_OUT_Q_LOCKED_FLUSH, 448 }; 449 450 struct qeth_qdio_out_q { 451 struct qdio_buffer qdio_bufs[QDIO_MAX_BUFFERS_PER_Q]; 452 struct qeth_qdio_out_buffer *bufs[QDIO_MAX_BUFFERS_PER_Q]; 453 struct qdio_outbuf_state *bufstates; /* convenience pointer */ 454 int queue_no; 455 struct qeth_card *card; 456 atomic_t state; 457 int do_pack; 458 /* 459 * index of buffer to be filled by driver; state EMPTY or PACKING 460 */ 461 int next_buf_to_fill; 462 /* 463 * number of buffers that are currently filled (PRIMED) 464 * -> these buffers are hardware-owned 465 */ 466 atomic_t used_buffers; 467 /* indicates whether PCI flag must be set (or if one is outstanding) */ 468 atomic_t set_pci_flags_count; 469 } __attribute__ ((aligned(256))); 470 471 struct qeth_qdio_info { 472 atomic_t state; 473 /* input */ 474 int no_in_queues; 475 struct qeth_qdio_q *in_q; 476 struct qeth_qdio_q *c_q; 477 struct qeth_qdio_buffer_pool in_buf_pool; 478 struct qeth_qdio_buffer_pool init_pool; 479 int in_buf_size; 480 481 /* output */ 482 int no_out_queues; 483 struct qeth_qdio_out_q **out_qs; 484 struct qdio_outbuf_state *out_bufstates; 485 486 /* priority queueing */ 487 int do_prio_queueing; 488 int default_out_queue; 489 }; 490 491 enum qeth_send_errors { 492 QETH_SEND_ERROR_NONE, 493 QETH_SEND_ERROR_LINK_FAILURE, 494 QETH_SEND_ERROR_RETRY, 495 QETH_SEND_ERROR_KICK_IT, 496 }; 497 498 #define QETH_ETH_MAC_V4 0x0100 /* like v4 */ 499 #define QETH_ETH_MAC_V6 0x3333 /* like v6 */ 500 /* tr mc mac is longer, but that will be enough to detect mc frames */ 501 #define QETH_TR_MAC_NC 0xc000 /* non-canonical */ 502 #define QETH_TR_MAC_C 0x0300 /* canonical */ 503 504 #define DEFAULT_ADD_HHLEN 0 505 #define MAX_ADD_HHLEN 1024 506 507 /** 508 * buffer stuff for read channel 509 */ 510 #define QETH_CMD_BUFFER_NO 8 511 512 /** 513 * channel state machine 514 */ 515 enum qeth_channel_states { 516 CH_STATE_UP, 517 CH_STATE_DOWN, 518 CH_STATE_ACTIVATING, 519 CH_STATE_HALTED, 520 CH_STATE_STOPPED, 521 CH_STATE_RCD, 522 CH_STATE_RCD_DONE, 523 }; 524 /** 525 * card state machine 526 */ 527 enum qeth_card_states { 528 CARD_STATE_DOWN, 529 CARD_STATE_HARDSETUP, 530 CARD_STATE_SOFTSETUP, 531 CARD_STATE_UP, 532 CARD_STATE_RECOVER, 533 }; 534 535 /** 536 * Protocol versions 537 */ 538 enum qeth_prot_versions { 539 QETH_PROT_IPV4 = 0x0004, 540 QETH_PROT_IPV6 = 0x0006, 541 }; 542 543 enum qeth_ip_types { 544 QETH_IP_TYPE_NORMAL, 545 QETH_IP_TYPE_VIPA, 546 QETH_IP_TYPE_RXIP, 547 QETH_IP_TYPE_DEL_ALL_MC, 548 }; 549 550 enum qeth_cmd_buffer_state { 551 BUF_STATE_FREE, 552 BUF_STATE_LOCKED, 553 BUF_STATE_PROCESSED, 554 }; 555 556 enum qeth_cq { 557 QETH_CQ_DISABLED = 0, 558 QETH_CQ_ENABLED = 1, 559 QETH_CQ_NOTAVAILABLE = 2, 560 }; 561 562 struct qeth_ipato { 563 int enabled; 564 int invert4; 565 int invert6; 566 struct list_head entries; 567 }; 568 569 struct qeth_channel; 570 571 struct qeth_cmd_buffer { 572 enum qeth_cmd_buffer_state state; 573 struct qeth_channel *channel; 574 unsigned char *data; 575 int rc; 576 void (*callback) (struct qeth_channel *, struct qeth_cmd_buffer *); 577 }; 578 579 /** 580 * definition of a qeth channel, used for read and write 581 */ 582 struct qeth_channel { 583 enum qeth_channel_states state; 584 struct ccw1 ccw; 585 spinlock_t iob_lock; 586 wait_queue_head_t wait_q; 587 struct tasklet_struct irq_tasklet; 588 struct ccw_device *ccwdev; 589 /*command buffer for control data*/ 590 struct qeth_cmd_buffer iob[QETH_CMD_BUFFER_NO]; 591 atomic_t irq_pending; 592 int io_buf_no; 593 int buf_no; 594 }; 595 596 /** 597 * OSA card related definitions 598 */ 599 struct qeth_token { 600 __u32 issuer_rm_w; 601 __u32 issuer_rm_r; 602 __u32 cm_filter_w; 603 __u32 cm_filter_r; 604 __u32 cm_connection_w; 605 __u32 cm_connection_r; 606 __u32 ulp_filter_w; 607 __u32 ulp_filter_r; 608 __u32 ulp_connection_w; 609 __u32 ulp_connection_r; 610 }; 611 612 struct qeth_seqno { 613 __u32 trans_hdr; 614 __u32 pdu_hdr; 615 __u32 pdu_hdr_ack; 616 __u16 ipa; 617 __u32 pkt_seqno; 618 }; 619 620 struct qeth_reply { 621 struct list_head list; 622 wait_queue_head_t wait_q; 623 int (*callback)(struct qeth_card *, struct qeth_reply *, 624 unsigned long); 625 u32 seqno; 626 unsigned long offset; 627 atomic_t received; 628 int rc; 629 void *param; 630 struct qeth_card *card; 631 atomic_t refcnt; 632 }; 633 634 635 struct qeth_card_blkt { 636 int time_total; 637 int inter_packet; 638 int inter_packet_jumbo; 639 }; 640 641 #define QETH_BROADCAST_WITH_ECHO 0x01 642 #define QETH_BROADCAST_WITHOUT_ECHO 0x02 643 #define QETH_LAYER2_MAC_READ 0x01 644 #define QETH_LAYER2_MAC_REGISTERED 0x02 645 struct qeth_card_info { 646 unsigned short unit_addr2; 647 unsigned short cula; 648 unsigned short chpid; 649 __u16 func_level; 650 char mcl_level[QETH_MCL_LENGTH + 1]; 651 int guestlan; 652 int mac_bits; 653 int portname_required; 654 int portno; 655 char portname[9]; 656 enum qeth_card_types type; 657 enum qeth_link_types link_type; 658 int is_multicast_different; 659 int initial_mtu; 660 int max_mtu; 661 int broadcast_capable; 662 int unique_id; 663 struct qeth_card_blkt blkt; 664 __u32 csum_mask; 665 __u32 tx_csum_mask; 666 enum qeth_ipa_promisc_modes promisc_mode; 667 __u32 diagass_support; 668 __u32 hwtrap; 669 }; 670 671 struct qeth_card_options { 672 struct qeth_routing_info route4; 673 struct qeth_ipa_info ipa4; 674 struct qeth_ipa_info adp; /*Adapter parameters*/ 675 struct qeth_routing_info route6; 676 struct qeth_ipa_info ipa6; 677 int fake_broadcast; 678 int add_hhlen; 679 int layer2; 680 int performance_stats; 681 int rx_sg_cb; 682 enum qeth_ipa_isolation_modes isolation; 683 int sniffer; 684 enum qeth_cq cq; 685 char hsuid[9]; 686 }; 687 688 /* 689 * thread bits for qeth_card thread masks 690 */ 691 enum qeth_threads { 692 QETH_RECOVER_THREAD = 1, 693 }; 694 695 struct qeth_osn_info { 696 int (*assist_cb)(struct net_device *dev, void *data); 697 int (*data_cb)(struct sk_buff *skb); 698 }; 699 700 enum qeth_discipline_id { 701 QETH_DISCIPLINE_LAYER3 = 0, 702 QETH_DISCIPLINE_LAYER2 = 1, 703 }; 704 705 struct qeth_discipline { 706 void (*start_poll)(struct ccw_device *, int, unsigned long); 707 qdio_handler_t *input_handler; 708 qdio_handler_t *output_handler; 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 void (*shutdown)(struct ccwgroup_device *); 715 int (*prepare) (struct ccwgroup_device *); 716 void (*complete) (struct ccwgroup_device *); 717 int (*freeze)(struct ccwgroup_device *); 718 int (*thaw) (struct ccwgroup_device *); 719 int (*restore)(struct ccwgroup_device *); 720 }; 721 722 struct qeth_vlan_vid { 723 struct list_head list; 724 unsigned short vid; 725 }; 726 727 struct qeth_mc_mac { 728 struct list_head list; 729 __u8 mc_addr[MAX_ADDR_LEN]; 730 unsigned char mc_addrlen; 731 int is_vmac; 732 }; 733 734 struct qeth_rx { 735 int b_count; 736 int b_index; 737 struct qdio_buffer_element *b_element; 738 int e_offset; 739 int qdio_err; 740 }; 741 742 #define QETH_NAPI_WEIGHT 128 743 744 struct qeth_card { 745 struct list_head list; 746 enum qeth_card_states state; 747 int lan_online; 748 spinlock_t lock; 749 struct ccwgroup_device *gdev; 750 struct qeth_channel read; 751 struct qeth_channel write; 752 struct qeth_channel data; 753 754 struct net_device *dev; 755 struct net_device_stats stats; 756 757 struct qeth_card_info info; 758 struct qeth_token token; 759 struct qeth_seqno seqno; 760 struct qeth_card_options options; 761 762 wait_queue_head_t wait_q; 763 spinlock_t vlanlock; 764 spinlock_t mclock; 765 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; 766 struct list_head vid_list; 767 struct list_head mc_list; 768 struct work_struct kernel_thread_starter; 769 spinlock_t thread_mask_lock; 770 unsigned long thread_start_mask; 771 unsigned long thread_allowed_mask; 772 unsigned long thread_running_mask; 773 spinlock_t ip_lock; 774 struct list_head ip_list; 775 struct list_head *ip_tbd_list; 776 struct qeth_ipato ipato; 777 struct list_head cmd_waiter_list; 778 /* QDIO buffer handling */ 779 struct qeth_qdio_info qdio; 780 struct qeth_perf_stats perf_stats; 781 int read_or_write_problem; 782 struct qeth_osn_info osn_info; 783 struct qeth_discipline *discipline; 784 atomic_t force_alloc_skb; 785 struct service_level qeth_service_level; 786 struct qdio_ssqd_desc ssqd; 787 debug_info_t *debug; 788 struct mutex conf_mutex; 789 struct mutex discipline_mutex; 790 struct napi_struct napi; 791 struct qeth_rx rx; 792 struct delayed_work buffer_reclaim_work; 793 int reclaim_index; 794 }; 795 796 struct qeth_card_list_struct { 797 struct list_head list; 798 rwlock_t rwlock; 799 }; 800 801 struct qeth_trap_id { 802 __u16 lparnr; 803 char vmname[8]; 804 __u8 chpid; 805 __u8 ssid; 806 __u16 devno; 807 } __packed; 808 809 /*some helper functions*/ 810 #define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "") 811 812 static inline struct qeth_card *CARD_FROM_CDEV(struct ccw_device *cdev) 813 { 814 struct qeth_card *card = dev_get_drvdata(&((struct ccwgroup_device *) 815 dev_get_drvdata(&cdev->dev))->dev); 816 return card; 817 } 818 819 static inline int qeth_get_micros(void) 820 { 821 return (int) (get_clock() >> 12); 822 } 823 824 static inline int qeth_get_ip_version(struct sk_buff *skb) 825 { 826 struct ethhdr *ehdr = (struct ethhdr *)skb->data; 827 switch (ehdr->h_proto) { 828 case ETH_P_IPV6: 829 return 6; 830 case ETH_P_IP: 831 return 4; 832 default: 833 return 0; 834 } 835 } 836 837 static inline void qeth_put_buffer_pool_entry(struct qeth_card *card, 838 struct qeth_buffer_pool_entry *entry) 839 { 840 list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list); 841 } 842 843 static inline int qeth_is_diagass_supported(struct qeth_card *card, 844 enum qeth_diags_cmds cmd) 845 { 846 return card->info.diagass_support & (__u32)cmd; 847 } 848 849 extern struct qeth_discipline qeth_l2_discipline; 850 extern struct qeth_discipline qeth_l3_discipline; 851 extern const struct attribute_group *qeth_generic_attr_groups[]; 852 extern const struct attribute_group *qeth_osn_attr_groups[]; 853 854 const char *qeth_get_cardname_short(struct qeth_card *); 855 int qeth_realloc_buffer_pool(struct qeth_card *, int); 856 int qeth_core_load_discipline(struct qeth_card *, enum qeth_discipline_id); 857 void qeth_core_free_discipline(struct qeth_card *); 858 void qeth_buffer_reclaim_work(struct work_struct *); 859 860 /* exports for qeth discipline device drivers */ 861 extern struct qeth_card_list_struct qeth_core_card_list; 862 extern struct kmem_cache *qeth_core_header_cache; 863 extern struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS]; 864 865 void qeth_set_allowed_threads(struct qeth_card *, unsigned long , int); 866 int qeth_threads_running(struct qeth_card *, unsigned long); 867 int qeth_wait_for_threads(struct qeth_card *, unsigned long); 868 int qeth_do_run_thread(struct qeth_card *, unsigned long); 869 void qeth_clear_thread_start_bit(struct qeth_card *, unsigned long); 870 void qeth_clear_thread_running_bit(struct qeth_card *, unsigned long); 871 int qeth_core_hardsetup_card(struct qeth_card *); 872 void qeth_print_status_message(struct qeth_card *); 873 int qeth_init_qdio_queues(struct qeth_card *); 874 int qeth_send_startlan(struct qeth_card *); 875 int qeth_send_stoplan(struct qeth_card *); 876 int qeth_send_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, 877 int (*reply_cb) 878 (struct qeth_card *, struct qeth_reply *, unsigned long), 879 void *); 880 struct qeth_cmd_buffer *qeth_get_ipacmd_buffer(struct qeth_card *, 881 enum qeth_ipa_cmds, enum qeth_prot_versions); 882 int qeth_query_setadapterparms(struct qeth_card *); 883 int qeth_check_qdio_errors(struct qeth_card *, struct qdio_buffer *, 884 unsigned int, const char *); 885 void qeth_queue_input_buffer(struct qeth_card *, int); 886 struct sk_buff *qeth_core_get_next_skb(struct qeth_card *, 887 struct qeth_qdio_buffer *, struct qdio_buffer_element **, int *, 888 struct qeth_hdr **); 889 void qeth_schedule_recovery(struct qeth_card *); 890 void qeth_qdio_start_poll(struct ccw_device *, int, unsigned long); 891 void qeth_qdio_input_handler(struct ccw_device *, 892 unsigned int, unsigned int, int, 893 int, unsigned long); 894 void qeth_qdio_output_handler(struct ccw_device *, unsigned int, 895 int, int, int, unsigned long); 896 void qeth_clear_ipacmd_list(struct qeth_card *); 897 int qeth_qdio_clear_card(struct qeth_card *, int); 898 void qeth_clear_working_pool_list(struct qeth_card *); 899 void qeth_clear_cmd_buffers(struct qeth_channel *); 900 void qeth_clear_qdio_buffers(struct qeth_card *); 901 void qeth_setadp_promisc_mode(struct qeth_card *); 902 struct net_device_stats *qeth_get_stats(struct net_device *); 903 int qeth_change_mtu(struct net_device *, int); 904 int qeth_setadpparms_change_macaddr(struct qeth_card *); 905 void qeth_tx_timeout(struct net_device *); 906 void qeth_prepare_control_data(struct qeth_card *, int, 907 struct qeth_cmd_buffer *); 908 void qeth_release_buffer(struct qeth_channel *, struct qeth_cmd_buffer *); 909 void qeth_prepare_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, char); 910 struct qeth_cmd_buffer *qeth_wait_for_buffer(struct qeth_channel *); 911 int qeth_mdio_read(struct net_device *, int, int); 912 int qeth_snmp_command(struct qeth_card *, char __user *); 913 int qeth_query_oat_command(struct qeth_card *, char __user *); 914 struct qeth_cmd_buffer *qeth_get_adapter_cmd(struct qeth_card *, __u32, __u32); 915 int qeth_default_setadapterparms_cb(struct qeth_card *, struct qeth_reply *, 916 unsigned long); 917 int qeth_send_control_data(struct qeth_card *, int, struct qeth_cmd_buffer *, 918 int (*reply_cb)(struct qeth_card *, struct qeth_reply*, unsigned long), 919 void *reply_param); 920 int qeth_get_priority_queue(struct qeth_card *, struct sk_buff *, int, int); 921 int qeth_get_elements_no(struct qeth_card *, void *, struct sk_buff *, int); 922 int qeth_do_send_packet_fast(struct qeth_card *, struct qeth_qdio_out_q *, 923 struct sk_buff *, struct qeth_hdr *, int, int, int); 924 int qeth_do_send_packet(struct qeth_card *, struct qeth_qdio_out_q *, 925 struct sk_buff *, struct qeth_hdr *, int); 926 int qeth_core_get_sset_count(struct net_device *, int); 927 void qeth_core_get_ethtool_stats(struct net_device *, 928 struct ethtool_stats *, u64 *); 929 void qeth_core_get_strings(struct net_device *, u32, u8 *); 930 void qeth_core_get_drvinfo(struct net_device *, struct ethtool_drvinfo *); 931 void qeth_dbf_longtext(debug_info_t *id, int level, char *text, ...); 932 int qeth_core_ethtool_get_settings(struct net_device *, struct ethtool_cmd *); 933 int qeth_set_access_ctrl_online(struct qeth_card *card); 934 int qeth_hdr_chk_and_bounce(struct sk_buff *, int); 935 int qeth_configure_cq(struct qeth_card *, enum qeth_cq); 936 int qeth_hw_trap(struct qeth_card *, enum qeth_diags_trap_action); 937 int qeth_query_ipassists(struct qeth_card *, enum qeth_prot_versions prot); 938 939 /* exports for OSN */ 940 int qeth_osn_assist(struct net_device *, void *, int); 941 int qeth_osn_register(unsigned char *read_dev_no, struct net_device **, 942 int (*assist_cb)(struct net_device *, void *), 943 int (*data_cb)(struct sk_buff *)); 944 void qeth_osn_deregister(struct net_device *); 945 946 #endif /* __QETH_CORE_H__ */ 947