1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Copyright IBM Corp. 2007 4 * Author(s): Utz Bacher <utz.bacher@de.ibm.com>, 5 * Frank Pavlic <fpavlic@de.ibm.com>, 6 * Thomas Spatzier <tspat@de.ibm.com>, 7 * Frank Blaschka <frank.blaschka@de.ibm.com> 8 */ 9 10 #ifndef __QETH_CORE_H__ 11 #define __QETH_CORE_H__ 12 13 #include <linux/if.h> 14 #include <linux/if_arp.h> 15 #include <linux/etherdevice.h> 16 #include <linux/if_vlan.h> 17 #include <linux/ctype.h> 18 #include <linux/in6.h> 19 #include <linux/bitops.h> 20 #include <linux/seq_file.h> 21 #include <linux/ethtool.h> 22 #include <linux/hashtable.h> 23 #include <linux/ip.h> 24 25 #include <net/ipv6.h> 26 #include <net/if_inet6.h> 27 #include <net/addrconf.h> 28 29 #include <asm/debug.h> 30 #include <asm/qdio.h> 31 #include <asm/ccwdev.h> 32 #include <asm/ccwgroup.h> 33 #include <asm/sysinfo.h> 34 35 #include "qeth_core_mpc.h" 36 37 /** 38 * Debug Facility stuff 39 */ 40 enum qeth_dbf_names { 41 QETH_DBF_SETUP, 42 QETH_DBF_MSG, 43 QETH_DBF_CTRL, 44 QETH_DBF_INFOS /* must be last element */ 45 }; 46 47 struct qeth_dbf_info { 48 char name[DEBUG_MAX_NAME_LEN]; 49 int pages; 50 int areas; 51 int len; 52 int level; 53 struct debug_view *view; 54 debug_info_t *id; 55 }; 56 57 #define QETH_DBF_CTRL_LEN 256 58 59 #define QETH_DBF_TEXT(name, level, text) \ 60 debug_text_event(qeth_dbf[QETH_DBF_##name].id, level, text) 61 62 #define QETH_DBF_HEX(name, level, addr, len) \ 63 debug_event(qeth_dbf[QETH_DBF_##name].id, level, (void *)(addr), len) 64 65 #define QETH_DBF_MESSAGE(level, text...) \ 66 debug_sprintf_event(qeth_dbf[QETH_DBF_MSG].id, level, text) 67 68 #define QETH_DBF_TEXT_(name, level, text...) \ 69 qeth_dbf_longtext(qeth_dbf[QETH_DBF_##name].id, level, text) 70 71 #define QETH_CARD_TEXT(card, level, text) \ 72 debug_text_event(card->debug, level, text) 73 74 #define QETH_CARD_HEX(card, level, addr, len) \ 75 debug_event(card->debug, level, (void *)(addr), len) 76 77 #define QETH_CARD_MESSAGE(card, text...) \ 78 debug_sprintf_event(card->debug, level, text) 79 80 #define QETH_CARD_TEXT_(card, level, text...) \ 81 qeth_dbf_longtext(card->debug, level, text) 82 83 #define SENSE_COMMAND_REJECT_BYTE 0 84 #define SENSE_COMMAND_REJECT_FLAG 0x80 85 #define SENSE_RESETTING_EVENT_BYTE 1 86 #define SENSE_RESETTING_EVENT_FLAG 0x80 87 88 /* 89 * Common IO related definitions 90 */ 91 #define CARD_RDEV(card) card->read.ccwdev 92 #define CARD_WDEV(card) card->write.ccwdev 93 #define CARD_DDEV(card) card->data.ccwdev 94 #define CARD_BUS_ID(card) dev_name(&card->gdev->dev) 95 #define CARD_RDEV_ID(card) dev_name(&card->read.ccwdev->dev) 96 #define CARD_WDEV_ID(card) dev_name(&card->write.ccwdev->dev) 97 #define CARD_DDEV_ID(card) dev_name(&card->data.ccwdev->dev) 98 #define CHANNEL_ID(channel) dev_name(&channel->ccwdev->dev) 99 100 /** 101 * card stuff 102 */ 103 struct qeth_perf_stats { 104 unsigned int bufs_rec; 105 unsigned int bufs_sent; 106 107 unsigned int skbs_sent_pack; 108 unsigned int bufs_sent_pack; 109 110 unsigned int sc_dp_p; 111 unsigned int sc_p_dp; 112 /* qdio_cq_handler: number of times called, time spent in */ 113 __u64 cq_start_time; 114 unsigned int cq_cnt; 115 unsigned int cq_time; 116 /* qdio_input_handler: number of times called, time spent in */ 117 __u64 inbound_start_time; 118 unsigned int inbound_cnt; 119 unsigned int inbound_time; 120 /* qeth_send_packet: number of times called, time spent in */ 121 __u64 outbound_start_time; 122 unsigned int outbound_cnt; 123 unsigned int outbound_time; 124 /* qdio_output_handler: number of times called, time spent in */ 125 __u64 outbound_handler_start_time; 126 unsigned int outbound_handler_cnt; 127 unsigned int outbound_handler_time; 128 /* number of calls to and time spent in do_QDIO for inbound queue */ 129 __u64 inbound_do_qdio_start_time; 130 unsigned int inbound_do_qdio_cnt; 131 unsigned int inbound_do_qdio_time; 132 /* number of calls to and time spent in do_QDIO for outbound queues */ 133 __u64 outbound_do_qdio_start_time; 134 unsigned int outbound_do_qdio_cnt; 135 unsigned int outbound_do_qdio_time; 136 unsigned int large_send_bytes; 137 unsigned int large_send_cnt; 138 unsigned int sg_skbs_sent; 139 unsigned int sg_frags_sent; 140 /* initial values when measuring starts */ 141 unsigned long initial_rx_packets; 142 unsigned long initial_tx_packets; 143 /* inbound scatter gather data */ 144 unsigned int sg_skbs_rx; 145 unsigned int sg_frags_rx; 146 unsigned int sg_alloc_page_rx; 147 unsigned int tx_csum; 148 unsigned int tx_lin; 149 unsigned int tx_linfail; 150 }; 151 152 /* Routing stuff */ 153 struct qeth_routing_info { 154 enum qeth_routing_types type; 155 }; 156 157 /* IPA stuff */ 158 struct qeth_ipa_info { 159 __u32 supported_funcs; 160 __u32 enabled_funcs; 161 }; 162 163 /* SETBRIDGEPORT stuff */ 164 enum qeth_sbp_roles { 165 QETH_SBP_ROLE_NONE = 0, 166 QETH_SBP_ROLE_PRIMARY = 1, 167 QETH_SBP_ROLE_SECONDARY = 2, 168 }; 169 170 enum qeth_sbp_states { 171 QETH_SBP_STATE_INACTIVE = 0, 172 QETH_SBP_STATE_STANDBY = 1, 173 QETH_SBP_STATE_ACTIVE = 2, 174 }; 175 176 #define QETH_SBP_HOST_NOTIFICATION 1 177 178 struct qeth_sbp_info { 179 __u32 supported_funcs; 180 enum qeth_sbp_roles role; 181 __u32 hostnotification:1; 182 __u32 reflect_promisc:1; 183 __u32 reflect_promisc_primary:1; 184 }; 185 186 static inline int qeth_is_ipa_supported(struct qeth_ipa_info *ipa, 187 enum qeth_ipa_funcs func) 188 { 189 return (ipa->supported_funcs & func); 190 } 191 192 static inline int qeth_is_ipa_enabled(struct qeth_ipa_info *ipa, 193 enum qeth_ipa_funcs func) 194 { 195 return (ipa->supported_funcs & ipa->enabled_funcs & func); 196 } 197 198 #define qeth_adp_supported(c, f) \ 199 qeth_is_ipa_supported(&c->options.adp, f) 200 #define qeth_adp_enabled(c, f) \ 201 qeth_is_ipa_enabled(&c->options.adp, f) 202 #define qeth_is_supported(c, f) \ 203 qeth_is_ipa_supported(&c->options.ipa4, f) 204 #define qeth_is_enabled(c, f) \ 205 qeth_is_ipa_enabled(&c->options.ipa4, f) 206 #define qeth_is_supported6(c, f) \ 207 qeth_is_ipa_supported(&c->options.ipa6, f) 208 #define qeth_is_enabled6(c, f) \ 209 qeth_is_ipa_enabled(&c->options.ipa6, f) 210 #define qeth_is_ipafunc_supported(c, prot, f) \ 211 ((prot == QETH_PROT_IPV6) ? \ 212 qeth_is_supported6(c, f) : qeth_is_supported(c, f)) 213 #define qeth_is_ipafunc_enabled(c, prot, f) \ 214 ((prot == QETH_PROT_IPV6) ? \ 215 qeth_is_enabled6(c, f) : qeth_is_enabled(c, f)) 216 217 #define QETH_IDX_FUNC_LEVEL_OSD 0x0101 218 #define QETH_IDX_FUNC_LEVEL_IQD 0x4108 219 220 #define QETH_MODELLIST_ARRAY \ 221 {{0x1731, 0x01, 0x1732, QETH_CARD_TYPE_OSD, QETH_MAX_QUEUES, 0}, \ 222 {0x1731, 0x05, 0x1732, QETH_CARD_TYPE_IQD, QETH_MAX_QUEUES, 0x103}, \ 223 {0x1731, 0x06, 0x1732, QETH_CARD_TYPE_OSN, QETH_MAX_QUEUES, 0}, \ 224 {0x1731, 0x02, 0x1732, QETH_CARD_TYPE_OSM, QETH_MAX_QUEUES, 0}, \ 225 {0x1731, 0x02, 0x1732, QETH_CARD_TYPE_OSX, QETH_MAX_QUEUES, 0}, \ 226 {0, 0, 0, 0, 0, 0} } 227 #define QETH_CU_TYPE_IND 0 228 #define QETH_CU_MODEL_IND 1 229 #define QETH_DEV_TYPE_IND 2 230 #define QETH_DEV_MODEL_IND 3 231 #define QETH_QUEUE_NO_IND 4 232 #define QETH_MULTICAST_IND 5 233 234 #define QETH_REAL_CARD 1 235 #define QETH_VLAN_CARD 2 236 #define QETH_BUFSIZE 4096 237 238 /** 239 * some more defs 240 */ 241 #define QETH_TX_TIMEOUT 100 * HZ 242 #define QETH_RCD_TIMEOUT 60 * HZ 243 #define QETH_RECLAIM_WORK_TIME HZ 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 /* large receive scatter gather copy break */ 285 #define QETH_RX_SG_CB (PAGE_SIZE >> 1) 286 #define QETH_RX_PULL_LEN 256 287 288 struct qeth_hdr_layer3 { 289 __u8 id; 290 __u8 flags; 291 __u16 inbound_checksum; /*TSO:__u16 seqno */ 292 __u32 token; /*TSO: __u32 reserved */ 293 __u16 length; 294 __u8 vlan_prio; 295 __u8 ext_flags; 296 __u16 vlan_id; 297 __u16 frame_offset; 298 __u8 dest_addr[16]; 299 } __attribute__ ((packed)); 300 301 struct qeth_hdr_layer2 { 302 __u8 id; 303 __u8 flags[3]; 304 __u8 port_no; 305 __u8 hdr_length; 306 __u16 pkt_length; 307 __u16 seq_no; 308 __u16 vlan_id; 309 __u32 reserved; 310 __u8 reserved2[16]; 311 } __attribute__ ((packed)); 312 313 struct qeth_hdr_osn { 314 __u8 id; 315 __u8 reserved; 316 __u16 seq_no; 317 __u16 reserved2; 318 __u16 control_flags; 319 __u16 pdu_length; 320 __u8 reserved3[18]; 321 __u32 ccid; 322 } __attribute__ ((packed)); 323 324 struct qeth_hdr { 325 union { 326 struct qeth_hdr_layer2 l2; 327 struct qeth_hdr_layer3 l3; 328 struct qeth_hdr_osn osn; 329 } hdr; 330 } __attribute__ ((packed)); 331 332 /*TCP Segmentation Offload header*/ 333 struct qeth_hdr_ext_tso { 334 __u16 hdr_tot_len; 335 __u8 imb_hdr_no; 336 __u8 reserved; 337 __u8 hdr_type; 338 __u8 hdr_version; 339 __u16 hdr_len; 340 __u32 payload_len; 341 __u16 mss; 342 __u16 dg_hdr_len; 343 __u8 padding[16]; 344 } __attribute__ ((packed)); 345 346 struct qeth_hdr_tso { 347 struct qeth_hdr hdr; /*hdr->hdr.l3.xxx*/ 348 struct qeth_hdr_ext_tso ext; 349 } __attribute__ ((packed)); 350 351 352 /* flags for qeth_hdr.flags */ 353 #define QETH_HDR_PASSTHRU 0x10 354 #define QETH_HDR_IPV6 0x80 355 #define QETH_HDR_CAST_MASK 0x07 356 enum qeth_cast_flags { 357 QETH_CAST_UNICAST = 0x06, 358 QETH_CAST_MULTICAST = 0x04, 359 QETH_CAST_BROADCAST = 0x05, 360 QETH_CAST_ANYCAST = 0x07, 361 QETH_CAST_NOCAST = 0x00, 362 }; 363 364 enum qeth_layer2_frame_flags { 365 QETH_LAYER2_FLAG_MULTICAST = 0x01, 366 QETH_LAYER2_FLAG_BROADCAST = 0x02, 367 QETH_LAYER2_FLAG_UNICAST = 0x04, 368 QETH_LAYER2_FLAG_VLAN = 0x10, 369 }; 370 371 enum qeth_header_ids { 372 QETH_HEADER_TYPE_LAYER3 = 0x01, 373 QETH_HEADER_TYPE_LAYER2 = 0x02, 374 QETH_HEADER_TYPE_TSO = 0x03, 375 QETH_HEADER_TYPE_OSN = 0x04, 376 }; 377 /* flags for qeth_hdr.ext_flags */ 378 #define QETH_HDR_EXT_VLAN_FRAME 0x01 379 #define QETH_HDR_EXT_TOKEN_ID 0x02 380 #define QETH_HDR_EXT_INCLUDE_VLAN_TAG 0x04 381 #define QETH_HDR_EXT_SRC_MAC_ADDR 0x08 382 #define QETH_HDR_EXT_CSUM_HDR_REQ 0x10 383 #define QETH_HDR_EXT_CSUM_TRANSP_REQ 0x20 384 #define QETH_HDR_EXT_UDP 0x40 /*bit off for TCP*/ 385 386 enum qeth_qdio_buffer_states { 387 /* 388 * inbound: read out by driver; owned by hardware in order to be filled 389 * outbound: owned by driver in order to be filled 390 */ 391 QETH_QDIO_BUF_EMPTY, 392 /* 393 * inbound: filled by hardware; owned by driver in order to be read out 394 * outbound: filled by driver; owned by hardware in order to be sent 395 */ 396 QETH_QDIO_BUF_PRIMED, 397 /* 398 * inbound: not applicable 399 * outbound: identified to be pending in TPQ 400 */ 401 QETH_QDIO_BUF_PENDING, 402 /* 403 * inbound: not applicable 404 * outbound: found in completion queue 405 */ 406 QETH_QDIO_BUF_IN_CQ, 407 /* 408 * inbound: not applicable 409 * outbound: handled via transfer pending / completion queue 410 */ 411 QETH_QDIO_BUF_HANDLED_DELAYED, 412 }; 413 414 enum qeth_qdio_info_states { 415 QETH_QDIO_UNINITIALIZED, 416 QETH_QDIO_ALLOCATED, 417 QETH_QDIO_ESTABLISHED, 418 QETH_QDIO_CLEANING 419 }; 420 421 struct qeth_buffer_pool_entry { 422 struct list_head list; 423 struct list_head init_list; 424 void *elements[QDIO_MAX_ELEMENTS_PER_BUFFER]; 425 }; 426 427 struct qeth_qdio_buffer_pool { 428 struct list_head entry_list; 429 int buf_count; 430 }; 431 432 struct qeth_qdio_buffer { 433 struct qdio_buffer *buffer; 434 /* the buffer pool entry currently associated to this buffer */ 435 struct qeth_buffer_pool_entry *pool_entry; 436 struct sk_buff *rx_skb; 437 }; 438 439 struct qeth_qdio_q { 440 struct qdio_buffer *qdio_bufs[QDIO_MAX_BUFFERS_PER_Q]; 441 struct qeth_qdio_buffer bufs[QDIO_MAX_BUFFERS_PER_Q]; 442 int next_buf_to_init; 443 }; 444 445 struct qeth_qdio_out_buffer { 446 struct qdio_buffer *buffer; 447 atomic_t state; 448 int next_element_to_fill; 449 struct sk_buff_head skb_list; 450 int is_header[QDIO_MAX_ELEMENTS_PER_BUFFER]; 451 452 struct qaob *aob; 453 struct qeth_qdio_out_q *q; 454 struct qeth_qdio_out_buffer *next_pending; 455 }; 456 457 struct qeth_card; 458 459 enum qeth_out_q_states { 460 QETH_OUT_Q_UNLOCKED, 461 QETH_OUT_Q_LOCKED, 462 QETH_OUT_Q_LOCKED_FLUSH, 463 }; 464 465 struct qeth_qdio_out_q { 466 struct qdio_buffer *qdio_bufs[QDIO_MAX_BUFFERS_PER_Q]; 467 struct qeth_qdio_out_buffer *bufs[QDIO_MAX_BUFFERS_PER_Q]; 468 struct qdio_outbuf_state *bufstates; /* convenience pointer */ 469 int queue_no; 470 struct qeth_card *card; 471 atomic_t state; 472 int do_pack; 473 /* 474 * index of buffer to be filled by driver; state EMPTY or PACKING 475 */ 476 int next_buf_to_fill; 477 /* 478 * number of buffers that are currently filled (PRIMED) 479 * -> these buffers are hardware-owned 480 */ 481 atomic_t used_buffers; 482 /* indicates whether PCI flag must be set (or if one is outstanding) */ 483 atomic_t set_pci_flags_count; 484 }; 485 486 struct qeth_qdio_info { 487 atomic_t state; 488 /* input */ 489 int no_in_queues; 490 struct qeth_qdio_q *in_q; 491 struct qeth_qdio_q *c_q; 492 struct qeth_qdio_buffer_pool in_buf_pool; 493 struct qeth_qdio_buffer_pool init_pool; 494 int in_buf_size; 495 496 /* output */ 497 int no_out_queues; 498 struct qeth_qdio_out_q **out_qs; 499 struct qdio_outbuf_state *out_bufstates; 500 501 /* priority queueing */ 502 int do_prio_queueing; 503 int default_out_queue; 504 }; 505 506 #define QETH_ETH_MAC_V4 0x0100 /* like v4 */ 507 #define QETH_ETH_MAC_V6 0x3333 /* like v6 */ 508 /* tr mc mac is longer, but that will be enough to detect mc frames */ 509 #define QETH_TR_MAC_NC 0xc000 /* non-canonical */ 510 #define QETH_TR_MAC_C 0x0300 /* canonical */ 511 512 /** 513 * buffer stuff for read channel 514 */ 515 #define QETH_CMD_BUFFER_NO 8 516 517 /** 518 * channel state machine 519 */ 520 enum qeth_channel_states { 521 CH_STATE_UP, 522 CH_STATE_DOWN, 523 CH_STATE_ACTIVATING, 524 CH_STATE_HALTED, 525 CH_STATE_STOPPED, 526 CH_STATE_RCD, 527 CH_STATE_RCD_DONE, 528 }; 529 /** 530 * card state machine 531 */ 532 enum qeth_card_states { 533 CARD_STATE_DOWN, 534 CARD_STATE_HARDSETUP, 535 CARD_STATE_SOFTSETUP, 536 CARD_STATE_UP, 537 CARD_STATE_RECOVER, 538 }; 539 540 /** 541 * Protocol versions 542 */ 543 enum qeth_prot_versions { 544 QETH_PROT_IPV4 = 0x0004, 545 QETH_PROT_IPV6 = 0x0006, 546 }; 547 548 enum qeth_ip_types { 549 QETH_IP_TYPE_NORMAL, 550 QETH_IP_TYPE_VIPA, 551 QETH_IP_TYPE_RXIP, 552 }; 553 554 enum qeth_cmd_buffer_state { 555 BUF_STATE_FREE, 556 BUF_STATE_LOCKED, 557 BUF_STATE_PROCESSED, 558 }; 559 560 enum qeth_cq { 561 QETH_CQ_DISABLED = 0, 562 QETH_CQ_ENABLED = 1, 563 QETH_CQ_NOTAVAILABLE = 2, 564 }; 565 566 struct qeth_ipato { 567 int enabled; 568 int invert4; 569 int invert6; 570 struct list_head entries; 571 }; 572 573 struct qeth_channel; 574 575 struct qeth_cmd_buffer { 576 enum qeth_cmd_buffer_state state; 577 struct qeth_channel *channel; 578 unsigned char *data; 579 int rc; 580 void (*callback) (struct qeth_channel *, struct qeth_cmd_buffer *); 581 }; 582 583 /** 584 * definition of a qeth channel, used for read and write 585 */ 586 struct qeth_channel { 587 enum qeth_channel_states state; 588 struct ccw1 ccw; 589 spinlock_t iob_lock; 590 wait_queue_head_t wait_q; 591 struct ccw_device *ccwdev; 592 /*command buffer for control data*/ 593 struct qeth_cmd_buffer iob[QETH_CMD_BUFFER_NO]; 594 atomic_t irq_pending; 595 int io_buf_no; 596 int buf_no; 597 }; 598 599 /** 600 * OSA card related definitions 601 */ 602 struct qeth_token { 603 __u32 issuer_rm_w; 604 __u32 issuer_rm_r; 605 __u32 cm_filter_w; 606 __u32 cm_filter_r; 607 __u32 cm_connection_w; 608 __u32 cm_connection_r; 609 __u32 ulp_filter_w; 610 __u32 ulp_filter_r; 611 __u32 ulp_connection_w; 612 __u32 ulp_connection_r; 613 }; 614 615 struct qeth_seqno { 616 __u32 trans_hdr; 617 __u32 pdu_hdr; 618 __u32 pdu_hdr_ack; 619 __u16 ipa; 620 __u32 pkt_seqno; 621 }; 622 623 struct qeth_reply { 624 struct list_head list; 625 wait_queue_head_t wait_q; 626 int (*callback)(struct qeth_card *, struct qeth_reply *, 627 unsigned long); 628 u32 seqno; 629 unsigned long offset; 630 atomic_t received; 631 int rc; 632 void *param; 633 struct qeth_card *card; 634 atomic_t refcnt; 635 }; 636 637 struct qeth_card_blkt { 638 int time_total; 639 int inter_packet; 640 int inter_packet_jumbo; 641 }; 642 643 #define QETH_BROADCAST_WITH_ECHO 0x01 644 #define QETH_BROADCAST_WITHOUT_ECHO 0x02 645 #define QETH_LAYER2_MAC_READ 0x01 646 #define QETH_LAYER2_MAC_REGISTERED 0x02 647 struct qeth_card_info { 648 unsigned short unit_addr2; 649 unsigned short cula; 650 unsigned short chpid; 651 __u16 func_level; 652 char mcl_level[QETH_MCL_LENGTH + 1]; 653 int guestlan; 654 int mac_bits; 655 int portno; 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 bool layer_enforced; 664 struct qeth_card_blkt blkt; 665 enum qeth_ipa_promisc_modes promisc_mode; 666 __u32 diagass_support; 667 __u32 hwtrap; 668 }; 669 670 struct qeth_card_options { 671 struct qeth_routing_info route4; 672 struct qeth_ipa_info ipa4; 673 struct qeth_ipa_info adp; /*Adapter parameters*/ 674 struct qeth_routing_info route6; 675 struct qeth_ipa_info ipa6; 676 struct qeth_sbp_info sbp; /* SETBRIDGEPORT options */ 677 int fake_broadcast; 678 int layer2; 679 int performance_stats; 680 int rx_sg_cb; 681 enum qeth_ipa_isolation_modes isolation; 682 enum qeth_ipa_isolation_modes prev_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_UNDETERMINED = -1, 702 QETH_DISCIPLINE_LAYER3 = 0, 703 QETH_DISCIPLINE_LAYER2 = 1, 704 }; 705 706 struct qeth_discipline { 707 const struct device_type *devtype; 708 void (*start_poll)(struct ccw_device *, int, unsigned long); 709 qdio_handler_t *input_handler; 710 qdio_handler_t *output_handler; 711 int (*process_rx_buffer)(struct qeth_card *card, int budget, int *done); 712 int (*recover)(void *ptr); 713 int (*setup) (struct ccwgroup_device *); 714 void (*remove) (struct ccwgroup_device *); 715 int (*set_online) (struct ccwgroup_device *); 716 int (*set_offline) (struct ccwgroup_device *); 717 int (*freeze)(struct ccwgroup_device *); 718 int (*thaw) (struct ccwgroup_device *); 719 int (*restore)(struct ccwgroup_device *); 720 int (*do_ioctl)(struct net_device *dev, struct ifreq *rq, int cmd); 721 int (*control_event_handler)(struct qeth_card *card, 722 struct qeth_ipa_cmd *cmd); 723 }; 724 725 struct qeth_vlan_vid { 726 struct list_head list; 727 unsigned short vid; 728 }; 729 730 enum qeth_addr_disposition { 731 QETH_DISP_ADDR_DELETE = 0, 732 QETH_DISP_ADDR_DO_NOTHING = 1, 733 QETH_DISP_ADDR_ADD = 2, 734 }; 735 736 struct qeth_rx { 737 int b_count; 738 int b_index; 739 struct qdio_buffer_element *b_element; 740 int e_offset; 741 int qdio_err; 742 }; 743 744 struct carrier_info { 745 __u8 card_type; 746 __u16 port_mode; 747 __u32 port_speed; 748 }; 749 750 struct qeth_switch_info { 751 __u32 capabilities; 752 __u32 settings; 753 }; 754 755 #define QETH_NAPI_WEIGHT NAPI_POLL_WEIGHT 756 757 struct qeth_card { 758 struct list_head list; 759 enum qeth_card_states state; 760 int lan_online; 761 spinlock_t lock; 762 struct ccwgroup_device *gdev; 763 struct qeth_channel read; 764 struct qeth_channel write; 765 struct qeth_channel data; 766 767 struct net_device *dev; 768 struct net_device_stats stats; 769 770 struct qeth_card_info info; 771 struct qeth_token token; 772 struct qeth_seqno seqno; 773 struct qeth_card_options options; 774 775 wait_queue_head_t wait_q; 776 spinlock_t vlanlock; 777 spinlock_t mclock; 778 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; 779 struct list_head vid_list; 780 DECLARE_HASHTABLE(mac_htable, 4); 781 DECLARE_HASHTABLE(ip_htable, 4); 782 DECLARE_HASHTABLE(ip_mc_htable, 4); 783 struct work_struct kernel_thread_starter; 784 spinlock_t thread_mask_lock; 785 unsigned long thread_start_mask; 786 unsigned long thread_allowed_mask; 787 unsigned long thread_running_mask; 788 struct task_struct *recovery_task; 789 spinlock_t ip_lock; 790 struct qeth_ipato ipato; 791 struct list_head cmd_waiter_list; 792 /* QDIO buffer handling */ 793 struct qeth_qdio_info qdio; 794 struct qeth_perf_stats perf_stats; 795 int read_or_write_problem; 796 struct qeth_osn_info osn_info; 797 struct qeth_discipline *discipline; 798 atomic_t force_alloc_skb; 799 struct service_level qeth_service_level; 800 struct qdio_ssqd_desc ssqd; 801 debug_info_t *debug; 802 struct mutex conf_mutex; 803 struct mutex discipline_mutex; 804 struct napi_struct napi; 805 struct qeth_rx rx; 806 struct delayed_work buffer_reclaim_work; 807 int reclaim_index; 808 struct work_struct close_dev_work; 809 }; 810 811 struct qeth_card_list_struct { 812 struct list_head list; 813 rwlock_t rwlock; 814 }; 815 816 struct qeth_trap_id { 817 __u16 lparnr; 818 char vmname[8]; 819 __u8 chpid; 820 __u8 ssid; 821 __u16 devno; 822 } __packed; 823 824 /*some helper functions*/ 825 #define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "") 826 827 /** 828 * qeth_get_elements_for_range() - find number of SBALEs to cover range. 829 * @start: Start of the address range. 830 * @end: Address after the end of the range. 831 * 832 * Returns the number of pages, and thus QDIO buffer elements, needed to cover 833 * the specified address range. 834 */ 835 static inline int qeth_get_elements_for_range(addr_t start, addr_t end) 836 { 837 return PFN_UP(end - 1) - PFN_DOWN(start); 838 } 839 840 static inline int qeth_get_micros(void) 841 { 842 return (int) (get_tod_clock() >> 12); 843 } 844 845 static inline int qeth_get_ip_version(struct sk_buff *skb) 846 { 847 __be16 *p = &((struct ethhdr *)skb->data)->h_proto; 848 849 if (be16_to_cpu(*p) == ETH_P_8021Q) 850 p += 2; 851 switch (be16_to_cpu(*p)) { 852 case ETH_P_IPV6: 853 return 6; 854 case ETH_P_IP: 855 return 4; 856 default: 857 return 0; 858 } 859 } 860 861 static inline void qeth_put_buffer_pool_entry(struct qeth_card *card, 862 struct qeth_buffer_pool_entry *entry) 863 { 864 list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list); 865 } 866 867 static inline int qeth_is_diagass_supported(struct qeth_card *card, 868 enum qeth_diags_cmds cmd) 869 { 870 return card->info.diagass_support & (__u32)cmd; 871 } 872 873 extern struct qeth_discipline qeth_l2_discipline; 874 extern struct qeth_discipline qeth_l3_discipline; 875 extern const struct attribute_group *qeth_generic_attr_groups[]; 876 extern const struct attribute_group *qeth_osn_attr_groups[]; 877 extern const struct attribute_group qeth_device_attr_group; 878 extern const struct attribute_group qeth_device_blkt_group; 879 extern const struct device_type qeth_generic_devtype; 880 extern struct workqueue_struct *qeth_wq; 881 882 int qeth_card_hw_is_reachable(struct qeth_card *); 883 const char *qeth_get_cardname_short(struct qeth_card *); 884 int qeth_realloc_buffer_pool(struct qeth_card *, int); 885 int qeth_core_load_discipline(struct qeth_card *, enum qeth_discipline_id); 886 void qeth_core_free_discipline(struct qeth_card *); 887 888 /* exports for qeth discipline device drivers */ 889 extern struct qeth_card_list_struct qeth_core_card_list; 890 extern struct kmem_cache *qeth_core_header_cache; 891 extern struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS]; 892 893 void qeth_set_recovery_task(struct qeth_card *); 894 void qeth_clear_recovery_task(struct qeth_card *); 895 void qeth_set_allowed_threads(struct qeth_card *, unsigned long , int); 896 int qeth_threads_running(struct qeth_card *, unsigned long); 897 int qeth_wait_for_threads(struct qeth_card *, unsigned long); 898 int qeth_do_run_thread(struct qeth_card *, unsigned long); 899 void qeth_clear_thread_start_bit(struct qeth_card *, unsigned long); 900 void qeth_clear_thread_running_bit(struct qeth_card *, unsigned long); 901 int qeth_core_hardsetup_card(struct qeth_card *); 902 void qeth_print_status_message(struct qeth_card *); 903 int qeth_init_qdio_queues(struct qeth_card *); 904 int qeth_send_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, 905 int (*reply_cb) 906 (struct qeth_card *, struct qeth_reply *, unsigned long), 907 void *); 908 struct qeth_cmd_buffer *qeth_get_ipacmd_buffer(struct qeth_card *, 909 enum qeth_ipa_cmds, enum qeth_prot_versions); 910 int qeth_query_setadapterparms(struct qeth_card *); 911 struct sk_buff *qeth_core_get_next_skb(struct qeth_card *, 912 struct qeth_qdio_buffer *, struct qdio_buffer_element **, int *, 913 struct qeth_hdr **); 914 void qeth_schedule_recovery(struct qeth_card *); 915 void qeth_qdio_start_poll(struct ccw_device *, int, unsigned long); 916 int qeth_poll(struct napi_struct *napi, int budget); 917 void qeth_qdio_input_handler(struct ccw_device *, 918 unsigned int, unsigned int, int, 919 int, unsigned long); 920 void qeth_qdio_output_handler(struct ccw_device *, unsigned int, 921 int, int, int, unsigned long); 922 void qeth_clear_ipacmd_list(struct qeth_card *); 923 int qeth_qdio_clear_card(struct qeth_card *, int); 924 void qeth_clear_working_pool_list(struct qeth_card *); 925 void qeth_clear_cmd_buffers(struct qeth_channel *); 926 void qeth_clear_qdio_buffers(struct qeth_card *); 927 void qeth_setadp_promisc_mode(struct qeth_card *); 928 struct net_device_stats *qeth_get_stats(struct net_device *); 929 int qeth_change_mtu(struct net_device *, int); 930 int qeth_setadpparms_change_macaddr(struct qeth_card *); 931 void qeth_tx_timeout(struct net_device *); 932 void qeth_prepare_control_data(struct qeth_card *, int, 933 struct qeth_cmd_buffer *); 934 void qeth_release_buffer(struct qeth_channel *, struct qeth_cmd_buffer *); 935 void qeth_prepare_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, char); 936 struct qeth_cmd_buffer *qeth_wait_for_buffer(struct qeth_channel *); 937 int qeth_query_switch_attributes(struct qeth_card *card, 938 struct qeth_switch_info *sw_info); 939 int qeth_send_control_data(struct qeth_card *, int, struct qeth_cmd_buffer *, 940 int (*reply_cb)(struct qeth_card *, struct qeth_reply*, unsigned long), 941 void *reply_param); 942 int qeth_bridgeport_query_ports(struct qeth_card *card, 943 enum qeth_sbp_roles *role, enum qeth_sbp_states *state); 944 int qeth_bridgeport_setrole(struct qeth_card *card, enum qeth_sbp_roles role); 945 int qeth_bridgeport_an_set(struct qeth_card *card, int enable); 946 int qeth_get_priority_queue(struct qeth_card *, struct sk_buff *, int, int); 947 int qeth_get_elements_no(struct qeth_card *card, struct sk_buff *skb, 948 int extra_elems, int data_offset); 949 int qeth_get_elements_for_frags(struct sk_buff *); 950 int qeth_do_send_packet_fast(struct qeth_card *card, 951 struct qeth_qdio_out_q *queue, struct sk_buff *skb, 952 struct qeth_hdr *hdr, unsigned int offset, 953 unsigned int hd_len); 954 int qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue, 955 struct sk_buff *skb, struct qeth_hdr *hdr, 956 unsigned int hd_len, unsigned int offset, int elements); 957 int qeth_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); 958 int qeth_core_get_sset_count(struct net_device *, int); 959 void qeth_core_get_ethtool_stats(struct net_device *, 960 struct ethtool_stats *, u64 *); 961 void qeth_core_get_strings(struct net_device *, u32, u8 *); 962 void qeth_core_get_drvinfo(struct net_device *, struct ethtool_drvinfo *); 963 void qeth_dbf_longtext(debug_info_t *id, int level, char *text, ...); 964 int qeth_core_ethtool_get_link_ksettings(struct net_device *netdev, 965 struct ethtool_link_ksettings *cmd); 966 int qeth_set_access_ctrl_online(struct qeth_card *card, int fallback); 967 int qeth_hdr_chk_and_bounce(struct sk_buff *, struct qeth_hdr **, int); 968 int qeth_configure_cq(struct qeth_card *, enum qeth_cq); 969 int qeth_hw_trap(struct qeth_card *, enum qeth_diags_trap_action); 970 int qeth_query_ipassists(struct qeth_card *, enum qeth_prot_versions prot); 971 void qeth_trace_features(struct qeth_card *); 972 void qeth_close_dev(struct qeth_card *); 973 int qeth_send_simple_setassparms(struct qeth_card *, enum qeth_ipa_funcs, 974 __u16, long); 975 int qeth_send_setassparms(struct qeth_card *, struct qeth_cmd_buffer *, __u16, 976 long, 977 int (*reply_cb)(struct qeth_card *, 978 struct qeth_reply *, unsigned long), 979 void *); 980 int qeth_setassparms_cb(struct qeth_card *, struct qeth_reply *, unsigned long); 981 struct qeth_cmd_buffer *qeth_get_setassparms_cmd(struct qeth_card *, 982 enum qeth_ipa_funcs, 983 __u16, __u16, 984 enum qeth_prot_versions); 985 int qeth_set_features(struct net_device *, netdev_features_t); 986 int qeth_recover_features(struct net_device *); 987 netdev_features_t qeth_fix_features(struct net_device *, netdev_features_t); 988 int qeth_vm_request_mac(struct qeth_card *card); 989 int qeth_push_hdr(struct sk_buff *skb, struct qeth_hdr **hdr, unsigned int len); 990 991 /* exports for OSN */ 992 int qeth_osn_assist(struct net_device *, void *, int); 993 int qeth_osn_register(unsigned char *read_dev_no, struct net_device **, 994 int (*assist_cb)(struct net_device *, void *), 995 int (*data_cb)(struct sk_buff *)); 996 void qeth_osn_deregister(struct net_device *); 997 998 #endif /* __QETH_CORE_H__ */ 999