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 struct qeth_vnicc_info { 187 /* supported/currently configured VNICCs; updated in IPA exchanges */ 188 u32 sup_chars; 189 u32 cur_chars; 190 /* supported commands: bitmasks which VNICCs support respective cmd */ 191 u32 set_char_sup; 192 u32 getset_timeout_sup; 193 /* timeout value for the learning characteristic */ 194 u32 learning_timeout; 195 /* characteristics wanted/configured by user */ 196 u32 wanted_chars; 197 /* has user explicitly enabled rx_bcast while online? */ 198 bool rx_bcast_enabled; 199 }; 200 201 static inline int qeth_is_ipa_supported(struct qeth_ipa_info *ipa, 202 enum qeth_ipa_funcs func) 203 { 204 return (ipa->supported_funcs & func); 205 } 206 207 static inline int qeth_is_ipa_enabled(struct qeth_ipa_info *ipa, 208 enum qeth_ipa_funcs func) 209 { 210 return (ipa->supported_funcs & ipa->enabled_funcs & func); 211 } 212 213 #define qeth_adp_supported(c, f) \ 214 qeth_is_ipa_supported(&c->options.adp, f) 215 #define qeth_adp_enabled(c, f) \ 216 qeth_is_ipa_enabled(&c->options.adp, f) 217 #define qeth_is_supported(c, f) \ 218 qeth_is_ipa_supported(&c->options.ipa4, f) 219 #define qeth_is_enabled(c, f) \ 220 qeth_is_ipa_enabled(&c->options.ipa4, f) 221 #define qeth_is_supported6(c, f) \ 222 qeth_is_ipa_supported(&c->options.ipa6, f) 223 #define qeth_is_enabled6(c, f) \ 224 qeth_is_ipa_enabled(&c->options.ipa6, f) 225 #define qeth_is_ipafunc_supported(c, prot, f) \ 226 ((prot == QETH_PROT_IPV6) ? \ 227 qeth_is_supported6(c, f) : qeth_is_supported(c, f)) 228 #define qeth_is_ipafunc_enabled(c, prot, f) \ 229 ((prot == QETH_PROT_IPV6) ? \ 230 qeth_is_enabled6(c, f) : qeth_is_enabled(c, f)) 231 232 #define QETH_IDX_FUNC_LEVEL_OSD 0x0101 233 #define QETH_IDX_FUNC_LEVEL_IQD 0x4108 234 235 #define QETH_REAL_CARD 1 236 #define QETH_VLAN_CARD 2 237 #define QETH_BUFSIZE 4096 238 239 /** 240 * some more defs 241 */ 242 #define QETH_TX_TIMEOUT 100 * HZ 243 #define QETH_RCD_TIMEOUT 60 * HZ 244 #define QETH_RECLAIM_WORK_TIME HZ 245 #define QETH_MAX_PORTNO 15 246 247 /*IPv6 address autoconfiguration stuff*/ 248 #define UNIQUE_ID_IF_CREATE_ADDR_FAILED 0xfffe 249 #define UNIQUE_ID_NOT_BY_CARD 0x10000 250 251 /*****************************************************************************/ 252 /* QDIO queue and buffer handling */ 253 /*****************************************************************************/ 254 #define QETH_MAX_QUEUES 4 255 #define QETH_IN_BUF_SIZE_DEFAULT 65536 256 #define QETH_IN_BUF_COUNT_DEFAULT 64 257 #define QETH_IN_BUF_COUNT_HSDEFAULT 128 258 #define QETH_IN_BUF_COUNT_MIN 8 259 #define QETH_IN_BUF_COUNT_MAX 128 260 #define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12) 261 #define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \ 262 ((card)->qdio.in_buf_pool.buf_count / 2) 263 264 /* buffers we have to be behind before we get a PCI */ 265 #define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1) 266 /*enqueued free buffers left before we get a PCI*/ 267 #define QETH_PCI_THRESHOLD_B(card) 0 268 /*not used unless the microcode gets patched*/ 269 #define QETH_PCI_TIMER_VALUE(card) 3 270 271 /* priority queing */ 272 #define QETH_PRIOQ_DEFAULT QETH_NO_PRIO_QUEUEING 273 #define QETH_DEFAULT_QUEUE 2 274 #define QETH_NO_PRIO_QUEUEING 0 275 #define QETH_PRIO_Q_ING_PREC 1 276 #define QETH_PRIO_Q_ING_TOS 2 277 #define QETH_PRIO_Q_ING_SKB 3 278 #define QETH_PRIO_Q_ING_VLAN 4 279 280 /* Packing */ 281 #define QETH_LOW_WATERMARK_PACK 2 282 #define QETH_HIGH_WATERMARK_PACK 5 283 #define QETH_WATERMARK_PACK_FUZZ 1 284 285 /* large receive scatter gather copy break */ 286 #define QETH_RX_SG_CB (PAGE_SIZE >> 1) 287 #define QETH_RX_PULL_LEN 256 288 289 struct qeth_hdr_layer3 { 290 __u8 id; 291 __u8 flags; 292 __u16 inbound_checksum; /*TSO:__u16 seqno */ 293 __u32 token; /*TSO: __u32 reserved */ 294 __u16 length; 295 __u8 vlan_prio; 296 __u8 ext_flags; 297 __u16 vlan_id; 298 __u16 frame_offset; 299 __u8 dest_addr[16]; 300 } __attribute__ ((packed)); 301 302 struct qeth_hdr_layer2 { 303 __u8 id; 304 __u8 flags[3]; 305 __u8 port_no; 306 __u8 hdr_length; 307 __u16 pkt_length; 308 __u16 seq_no; 309 __u16 vlan_id; 310 __u32 reserved; 311 __u8 reserved2[16]; 312 } __attribute__ ((packed)); 313 314 struct qeth_hdr_osn { 315 __u8 id; 316 __u8 reserved; 317 __u16 seq_no; 318 __u16 reserved2; 319 __u16 control_flags; 320 __u16 pdu_length; 321 __u8 reserved3[18]; 322 __u32 ccid; 323 } __attribute__ ((packed)); 324 325 struct qeth_hdr { 326 union { 327 struct qeth_hdr_layer2 l2; 328 struct qeth_hdr_layer3 l3; 329 struct qeth_hdr_osn osn; 330 } hdr; 331 } __attribute__ ((packed)); 332 333 /*TCP Segmentation Offload header*/ 334 struct qeth_hdr_ext_tso { 335 __u16 hdr_tot_len; 336 __u8 imb_hdr_no; 337 __u8 reserved; 338 __u8 hdr_type; 339 __u8 hdr_version; 340 __u16 hdr_len; 341 __u32 payload_len; 342 __u16 mss; 343 __u16 dg_hdr_len; 344 __u8 padding[16]; 345 } __attribute__ ((packed)); 346 347 struct qeth_hdr_tso { 348 struct qeth_hdr hdr; /*hdr->hdr.l3.xxx*/ 349 struct qeth_hdr_ext_tso ext; 350 } __attribute__ ((packed)); 351 352 353 /* flags for qeth_hdr.flags */ 354 #define QETH_HDR_PASSTHRU 0x10 355 #define QETH_HDR_IPV6 0x80 356 #define QETH_HDR_CAST_MASK 0x07 357 enum qeth_cast_flags { 358 QETH_CAST_UNICAST = 0x06, 359 QETH_CAST_MULTICAST = 0x04, 360 QETH_CAST_BROADCAST = 0x05, 361 QETH_CAST_ANYCAST = 0x07, 362 QETH_CAST_NOCAST = 0x00, 363 }; 364 365 enum qeth_layer2_frame_flags { 366 QETH_LAYER2_FLAG_MULTICAST = 0x01, 367 QETH_LAYER2_FLAG_BROADCAST = 0x02, 368 QETH_LAYER2_FLAG_UNICAST = 0x04, 369 QETH_LAYER2_FLAG_VLAN = 0x10, 370 }; 371 372 enum qeth_header_ids { 373 QETH_HEADER_TYPE_LAYER3 = 0x01, 374 QETH_HEADER_TYPE_LAYER2 = 0x02, 375 QETH_HEADER_TYPE_TSO = 0x03, 376 QETH_HEADER_TYPE_OSN = 0x04, 377 }; 378 /* flags for qeth_hdr.ext_flags */ 379 #define QETH_HDR_EXT_VLAN_FRAME 0x01 380 #define QETH_HDR_EXT_TOKEN_ID 0x02 381 #define QETH_HDR_EXT_INCLUDE_VLAN_TAG 0x04 382 #define QETH_HDR_EXT_SRC_MAC_ADDR 0x08 383 #define QETH_HDR_EXT_CSUM_HDR_REQ 0x10 384 #define QETH_HDR_EXT_CSUM_TRANSP_REQ 0x20 385 #define QETH_HDR_EXT_UDP 0x40 /*bit off for TCP*/ 386 387 enum qeth_qdio_buffer_states { 388 /* 389 * inbound: read out by driver; owned by hardware in order to be filled 390 * outbound: owned by driver in order to be filled 391 */ 392 QETH_QDIO_BUF_EMPTY, 393 /* 394 * inbound: filled by hardware; owned by driver in order to be read out 395 * outbound: filled by driver; owned by hardware in order to be sent 396 */ 397 QETH_QDIO_BUF_PRIMED, 398 /* 399 * inbound: not applicable 400 * outbound: identified to be pending in TPQ 401 */ 402 QETH_QDIO_BUF_PENDING, 403 /* 404 * inbound: not applicable 405 * outbound: found in completion queue 406 */ 407 QETH_QDIO_BUF_IN_CQ, 408 /* 409 * inbound: not applicable 410 * outbound: handled via transfer pending / completion queue 411 */ 412 QETH_QDIO_BUF_HANDLED_DELAYED, 413 }; 414 415 enum qeth_qdio_info_states { 416 QETH_QDIO_UNINITIALIZED, 417 QETH_QDIO_ALLOCATED, 418 QETH_QDIO_ESTABLISHED, 419 QETH_QDIO_CLEANING 420 }; 421 422 struct qeth_buffer_pool_entry { 423 struct list_head list; 424 struct list_head init_list; 425 void *elements[QDIO_MAX_ELEMENTS_PER_BUFFER]; 426 }; 427 428 struct qeth_qdio_buffer_pool { 429 struct list_head entry_list; 430 int buf_count; 431 }; 432 433 struct qeth_qdio_buffer { 434 struct qdio_buffer *buffer; 435 /* the buffer pool entry currently associated to this buffer */ 436 struct qeth_buffer_pool_entry *pool_entry; 437 struct sk_buff *rx_skb; 438 }; 439 440 struct qeth_qdio_q { 441 struct qdio_buffer *qdio_bufs[QDIO_MAX_BUFFERS_PER_Q]; 442 struct qeth_qdio_buffer bufs[QDIO_MAX_BUFFERS_PER_Q]; 443 int next_buf_to_init; 444 }; 445 446 struct qeth_qdio_out_buffer { 447 struct qdio_buffer *buffer; 448 atomic_t state; 449 int next_element_to_fill; 450 struct sk_buff_head skb_list; 451 int is_header[QDIO_MAX_ELEMENTS_PER_BUFFER]; 452 453 struct qaob *aob; 454 struct qeth_qdio_out_q *q; 455 struct qeth_qdio_out_buffer *next_pending; 456 }; 457 458 struct qeth_card; 459 460 enum qeth_out_q_states { 461 QETH_OUT_Q_UNLOCKED, 462 QETH_OUT_Q_LOCKED, 463 QETH_OUT_Q_LOCKED_FLUSH, 464 }; 465 466 struct qeth_qdio_out_q { 467 struct qdio_buffer *qdio_bufs[QDIO_MAX_BUFFERS_PER_Q]; 468 struct qeth_qdio_out_buffer *bufs[QDIO_MAX_BUFFERS_PER_Q]; 469 struct qdio_outbuf_state *bufstates; /* convenience pointer */ 470 int queue_no; 471 struct qeth_card *card; 472 atomic_t state; 473 int do_pack; 474 /* 475 * index of buffer to be filled by driver; state EMPTY or PACKING 476 */ 477 int next_buf_to_fill; 478 /* 479 * number of buffers that are currently filled (PRIMED) 480 * -> these buffers are hardware-owned 481 */ 482 atomic_t used_buffers; 483 /* indicates whether PCI flag must be set (or if one is outstanding) */ 484 atomic_t set_pci_flags_count; 485 }; 486 487 struct qeth_qdio_info { 488 atomic_t state; 489 /* input */ 490 int no_in_queues; 491 struct qeth_qdio_q *in_q; 492 struct qeth_qdio_q *c_q; 493 struct qeth_qdio_buffer_pool in_buf_pool; 494 struct qeth_qdio_buffer_pool init_pool; 495 int in_buf_size; 496 497 /* output */ 498 int no_out_queues; 499 struct qeth_qdio_out_q **out_qs; 500 struct qdio_outbuf_state *out_bufstates; 501 502 /* priority queueing */ 503 int do_prio_queueing; 504 int default_out_queue; 505 }; 506 507 #define QETH_ETH_MAC_V4 0x0100 /* like v4 */ 508 #define QETH_ETH_MAC_V6 0x3333 /* like v6 */ 509 /* tr mc mac is longer, but that will be enough to detect mc frames */ 510 #define QETH_TR_MAC_NC 0xc000 /* non-canonical */ 511 #define QETH_TR_MAC_C 0x0300 /* canonical */ 512 513 /** 514 * buffer stuff for read channel 515 */ 516 #define QETH_CMD_BUFFER_NO 8 517 518 /** 519 * channel state machine 520 */ 521 enum qeth_channel_states { 522 CH_STATE_UP, 523 CH_STATE_DOWN, 524 CH_STATE_ACTIVATING, 525 CH_STATE_HALTED, 526 CH_STATE_STOPPED, 527 CH_STATE_RCD, 528 CH_STATE_RCD_DONE, 529 }; 530 /** 531 * card state machine 532 */ 533 enum qeth_card_states { 534 CARD_STATE_DOWN, 535 CARD_STATE_HARDSETUP, 536 CARD_STATE_SOFTSETUP, 537 CARD_STATE_UP, 538 CARD_STATE_RECOVER, 539 }; 540 541 /** 542 * Protocol versions 543 */ 544 enum qeth_prot_versions { 545 QETH_PROT_IPV4 = 0x0004, 546 QETH_PROT_IPV6 = 0x0006, 547 }; 548 549 enum qeth_ip_types { 550 QETH_IP_TYPE_NORMAL, 551 QETH_IP_TYPE_VIPA, 552 QETH_IP_TYPE_RXIP, 553 }; 554 555 enum qeth_cmd_buffer_state { 556 BUF_STATE_FREE, 557 BUF_STATE_LOCKED, 558 BUF_STATE_PROCESSED, 559 }; 560 561 enum qeth_cq { 562 QETH_CQ_DISABLED = 0, 563 QETH_CQ_ENABLED = 1, 564 QETH_CQ_NOTAVAILABLE = 2, 565 }; 566 567 struct qeth_ipato { 568 bool enabled; 569 bool invert4; 570 bool invert6; 571 struct list_head entries; 572 }; 573 574 struct qeth_channel; 575 576 struct qeth_cmd_buffer { 577 enum qeth_cmd_buffer_state state; 578 struct qeth_channel *channel; 579 unsigned char *data; 580 int rc; 581 void (*callback) (struct qeth_channel *, struct qeth_cmd_buffer *); 582 }; 583 584 /** 585 * definition of a qeth channel, used for read and write 586 */ 587 struct qeth_channel { 588 enum qeth_channel_states state; 589 struct ccw1 ccw; 590 spinlock_t iob_lock; 591 wait_queue_head_t wait_q; 592 struct ccw_device *ccwdev; 593 /*command buffer for control data*/ 594 struct qeth_cmd_buffer iob[QETH_CMD_BUFFER_NO]; 595 atomic_t irq_pending; 596 int io_buf_no; 597 int buf_no; 598 }; 599 600 /** 601 * OSA card related definitions 602 */ 603 struct qeth_token { 604 __u32 issuer_rm_w; 605 __u32 issuer_rm_r; 606 __u32 cm_filter_w; 607 __u32 cm_filter_r; 608 __u32 cm_connection_w; 609 __u32 cm_connection_r; 610 __u32 ulp_filter_w; 611 __u32 ulp_filter_r; 612 __u32 ulp_connection_w; 613 __u32 ulp_connection_r; 614 }; 615 616 struct qeth_seqno { 617 __u32 trans_hdr; 618 __u32 pdu_hdr; 619 __u32 pdu_hdr_ack; 620 __u16 ipa; 621 __u32 pkt_seqno; 622 }; 623 624 struct qeth_reply { 625 struct list_head list; 626 wait_queue_head_t wait_q; 627 int (*callback)(struct qeth_card *, struct qeth_reply *, 628 unsigned long); 629 u32 seqno; 630 unsigned long offset; 631 atomic_t received; 632 int rc; 633 void *param; 634 struct qeth_card *card; 635 atomic_t refcnt; 636 }; 637 638 struct qeth_card_blkt { 639 int time_total; 640 int inter_packet; 641 int inter_packet_jumbo; 642 }; 643 644 #define QETH_BROADCAST_WITH_ECHO 0x01 645 #define QETH_BROADCAST_WITHOUT_ECHO 0x02 646 #define QETH_LAYER2_MAC_READ 0x01 647 #define QETH_LAYER2_MAC_REGISTERED 0x02 648 struct qeth_card_info { 649 unsigned short unit_addr2; 650 unsigned short cula; 651 unsigned short chpid; 652 __u16 func_level; 653 char mcl_level[QETH_MCL_LENGTH + 1]; 654 int guestlan; 655 int mac_bits; 656 int portno; 657 enum qeth_card_types type; 658 enum qeth_link_types link_type; 659 int is_multicast_different; 660 int initial_mtu; 661 int max_mtu; 662 int broadcast_capable; 663 int unique_id; 664 bool layer_enforced; 665 struct qeth_card_blkt blkt; 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 struct qeth_sbp_info sbp; /* SETBRIDGEPORT options */ 678 struct qeth_vnicc_info vnicc; /* VNICC options */ 679 int fake_broadcast; 680 int layer2; 681 int performance_stats; 682 int rx_sg_cb; 683 enum qeth_ipa_isolation_modes isolation; 684 enum qeth_ipa_isolation_modes prev_isolation; 685 int sniffer; 686 enum qeth_cq cq; 687 char hsuid[9]; 688 }; 689 690 /* 691 * thread bits for qeth_card thread masks 692 */ 693 enum qeth_threads { 694 QETH_RECOVER_THREAD = 1, 695 }; 696 697 struct qeth_osn_info { 698 int (*assist_cb)(struct net_device *dev, void *data); 699 int (*data_cb)(struct sk_buff *skb); 700 }; 701 702 enum qeth_discipline_id { 703 QETH_DISCIPLINE_UNDETERMINED = -1, 704 QETH_DISCIPLINE_LAYER3 = 0, 705 QETH_DISCIPLINE_LAYER2 = 1, 706 }; 707 708 struct qeth_discipline { 709 const struct device_type *devtype; 710 void (*start_poll)(struct ccw_device *, int, unsigned long); 711 qdio_handler_t *input_handler; 712 qdio_handler_t *output_handler; 713 int (*process_rx_buffer)(struct qeth_card *card, int budget, int *done); 714 int (*recover)(void *ptr); 715 int (*setup) (struct ccwgroup_device *); 716 void (*remove) (struct ccwgroup_device *); 717 int (*set_online) (struct ccwgroup_device *); 718 int (*set_offline) (struct ccwgroup_device *); 719 int (*freeze)(struct ccwgroup_device *); 720 int (*thaw) (struct ccwgroup_device *); 721 int (*restore)(struct ccwgroup_device *); 722 int (*do_ioctl)(struct net_device *dev, struct ifreq *rq, int cmd); 723 int (*control_event_handler)(struct qeth_card *card, 724 struct qeth_ipa_cmd *cmd); 725 }; 726 727 struct qeth_vlan_vid { 728 struct list_head list; 729 unsigned short vid; 730 }; 731 732 enum qeth_addr_disposition { 733 QETH_DISP_ADDR_DELETE = 0, 734 QETH_DISP_ADDR_DO_NOTHING = 1, 735 QETH_DISP_ADDR_ADD = 2, 736 }; 737 738 struct qeth_rx { 739 int b_count; 740 int b_index; 741 struct qdio_buffer_element *b_element; 742 int e_offset; 743 int qdio_err; 744 }; 745 746 struct carrier_info { 747 __u8 card_type; 748 __u16 port_mode; 749 __u32 port_speed; 750 }; 751 752 struct qeth_switch_info { 753 __u32 capabilities; 754 __u32 settings; 755 }; 756 757 #define QETH_NAPI_WEIGHT NAPI_POLL_WEIGHT 758 759 struct qeth_card { 760 struct list_head list; 761 enum qeth_card_states state; 762 int lan_online; 763 spinlock_t lock; 764 struct ccwgroup_device *gdev; 765 struct qeth_channel read; 766 struct qeth_channel write; 767 struct qeth_channel data; 768 769 struct net_device *dev; 770 struct net_device_stats stats; 771 772 struct qeth_card_info info; 773 struct qeth_token token; 774 struct qeth_seqno seqno; 775 struct qeth_card_options options; 776 777 wait_queue_head_t wait_q; 778 spinlock_t vlanlock; 779 spinlock_t mclock; 780 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; 781 struct list_head vid_list; 782 DECLARE_HASHTABLE(mac_htable, 4); 783 DECLARE_HASHTABLE(ip_htable, 4); 784 DECLARE_HASHTABLE(ip_mc_htable, 4); 785 struct work_struct kernel_thread_starter; 786 spinlock_t thread_mask_lock; 787 unsigned long thread_start_mask; 788 unsigned long thread_allowed_mask; 789 unsigned long thread_running_mask; 790 struct task_struct *recovery_task; 791 spinlock_t ip_lock; 792 struct qeth_ipato ipato; 793 struct list_head cmd_waiter_list; 794 /* QDIO buffer handling */ 795 struct qeth_qdio_info qdio; 796 struct qeth_perf_stats perf_stats; 797 int read_or_write_problem; 798 struct qeth_osn_info osn_info; 799 struct qeth_discipline *discipline; 800 atomic_t force_alloc_skb; 801 struct service_level qeth_service_level; 802 struct qdio_ssqd_desc ssqd; 803 debug_info_t *debug; 804 struct mutex conf_mutex; 805 struct mutex discipline_mutex; 806 struct napi_struct napi; 807 struct qeth_rx rx; 808 struct delayed_work buffer_reclaim_work; 809 int reclaim_index; 810 struct work_struct close_dev_work; 811 }; 812 813 struct qeth_card_list_struct { 814 struct list_head list; 815 rwlock_t rwlock; 816 }; 817 818 struct qeth_trap_id { 819 __u16 lparnr; 820 char vmname[8]; 821 __u8 chpid; 822 __u8 ssid; 823 __u16 devno; 824 } __packed; 825 826 /*some helper functions*/ 827 #define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "") 828 829 /** 830 * qeth_get_elements_for_range() - find number of SBALEs to cover range. 831 * @start: Start of the address range. 832 * @end: Address after the end of the range. 833 * 834 * Returns the number of pages, and thus QDIO buffer elements, needed to cover 835 * the specified address range. 836 */ 837 static inline int qeth_get_elements_for_range(addr_t start, addr_t end) 838 { 839 return PFN_UP(end - 1) - PFN_DOWN(start); 840 } 841 842 static inline int qeth_get_micros(void) 843 { 844 return (int) (get_tod_clock() >> 12); 845 } 846 847 static inline int qeth_get_ip_version(struct sk_buff *skb) 848 { 849 __be16 *p = &((struct ethhdr *)skb->data)->h_proto; 850 851 if (be16_to_cpu(*p) == ETH_P_8021Q) 852 p += 2; 853 switch (be16_to_cpu(*p)) { 854 case ETH_P_IPV6: 855 return 6; 856 case ETH_P_IP: 857 return 4; 858 default: 859 return 0; 860 } 861 } 862 863 static inline void qeth_put_buffer_pool_entry(struct qeth_card *card, 864 struct qeth_buffer_pool_entry *entry) 865 { 866 list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list); 867 } 868 869 static inline int qeth_is_diagass_supported(struct qeth_card *card, 870 enum qeth_diags_cmds cmd) 871 { 872 return card->info.diagass_support & (__u32)cmd; 873 } 874 875 extern struct qeth_discipline qeth_l2_discipline; 876 extern struct qeth_discipline qeth_l3_discipline; 877 extern const struct attribute_group *qeth_generic_attr_groups[]; 878 extern const struct attribute_group *qeth_osn_attr_groups[]; 879 extern const struct attribute_group qeth_device_attr_group; 880 extern const struct attribute_group qeth_device_blkt_group; 881 extern const struct device_type qeth_generic_devtype; 882 extern struct workqueue_struct *qeth_wq; 883 884 int qeth_card_hw_is_reachable(struct qeth_card *); 885 const char *qeth_get_cardname_short(struct qeth_card *); 886 int qeth_realloc_buffer_pool(struct qeth_card *, int); 887 int qeth_core_load_discipline(struct qeth_card *, enum qeth_discipline_id); 888 void qeth_core_free_discipline(struct qeth_card *); 889 890 /* exports for qeth discipline device drivers */ 891 extern struct qeth_card_list_struct qeth_core_card_list; 892 extern struct kmem_cache *qeth_core_header_cache; 893 extern struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS]; 894 895 void qeth_set_recovery_task(struct qeth_card *); 896 void qeth_clear_recovery_task(struct qeth_card *); 897 void qeth_set_allowed_threads(struct qeth_card *, unsigned long , int); 898 int qeth_threads_running(struct qeth_card *, unsigned long); 899 int qeth_wait_for_threads(struct qeth_card *, unsigned long); 900 int qeth_do_run_thread(struct qeth_card *, unsigned long); 901 void qeth_clear_thread_start_bit(struct qeth_card *, unsigned long); 902 void qeth_clear_thread_running_bit(struct qeth_card *, unsigned long); 903 int qeth_core_hardsetup_card(struct qeth_card *); 904 void qeth_print_status_message(struct qeth_card *); 905 int qeth_init_qdio_queues(struct qeth_card *); 906 int qeth_send_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, 907 int (*reply_cb) 908 (struct qeth_card *, struct qeth_reply *, unsigned long), 909 void *); 910 struct qeth_cmd_buffer *qeth_get_ipacmd_buffer(struct qeth_card *, 911 enum qeth_ipa_cmds, enum qeth_prot_versions); 912 int qeth_query_setadapterparms(struct qeth_card *); 913 struct sk_buff *qeth_core_get_next_skb(struct qeth_card *, 914 struct qeth_qdio_buffer *, struct qdio_buffer_element **, int *, 915 struct qeth_hdr **); 916 void qeth_schedule_recovery(struct qeth_card *); 917 void qeth_qdio_start_poll(struct ccw_device *, int, unsigned long); 918 int qeth_poll(struct napi_struct *napi, int budget); 919 void qeth_qdio_input_handler(struct ccw_device *, 920 unsigned int, unsigned int, int, 921 int, unsigned long); 922 void qeth_qdio_output_handler(struct ccw_device *, unsigned int, 923 int, int, int, unsigned long); 924 void qeth_clear_ipacmd_list(struct qeth_card *); 925 int qeth_qdio_clear_card(struct qeth_card *, int); 926 void qeth_clear_working_pool_list(struct qeth_card *); 927 void qeth_clear_cmd_buffers(struct qeth_channel *); 928 void qeth_clear_qdio_buffers(struct qeth_card *); 929 void qeth_setadp_promisc_mode(struct qeth_card *); 930 struct net_device_stats *qeth_get_stats(struct net_device *); 931 int qeth_change_mtu(struct net_device *, int); 932 int qeth_setadpparms_change_macaddr(struct qeth_card *); 933 void qeth_tx_timeout(struct net_device *); 934 void qeth_prepare_control_data(struct qeth_card *, int, 935 struct qeth_cmd_buffer *); 936 void qeth_release_buffer(struct qeth_channel *, struct qeth_cmd_buffer *); 937 void qeth_prepare_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, char); 938 struct qeth_cmd_buffer *qeth_wait_for_buffer(struct qeth_channel *); 939 int qeth_query_switch_attributes(struct qeth_card *card, 940 struct qeth_switch_info *sw_info); 941 int qeth_send_control_data(struct qeth_card *, int, struct qeth_cmd_buffer *, 942 int (*reply_cb)(struct qeth_card *, struct qeth_reply*, unsigned long), 943 void *reply_param); 944 int qeth_bridgeport_query_ports(struct qeth_card *card, 945 enum qeth_sbp_roles *role, enum qeth_sbp_states *state); 946 int qeth_bridgeport_setrole(struct qeth_card *card, enum qeth_sbp_roles role); 947 int qeth_bridgeport_an_set(struct qeth_card *card, int enable); 948 int qeth_get_priority_queue(struct qeth_card *, struct sk_buff *, int, int); 949 int qeth_get_elements_no(struct qeth_card *card, struct sk_buff *skb, 950 int extra_elems, int data_offset); 951 int qeth_get_elements_for_frags(struct sk_buff *); 952 int qeth_do_send_packet_fast(struct qeth_qdio_out_q *queue, struct sk_buff *skb, 953 struct qeth_hdr *hdr, unsigned int offset, 954 unsigned int hd_len); 955 int qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue, 956 struct sk_buff *skb, struct qeth_hdr *hdr, 957 unsigned int offset, unsigned int hd_len, 958 int elements_needed); 959 int qeth_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); 960 int qeth_core_get_sset_count(struct net_device *, int); 961 void qeth_core_get_ethtool_stats(struct net_device *, 962 struct ethtool_stats *, u64 *); 963 void qeth_core_get_strings(struct net_device *, u32, u8 *); 964 void qeth_core_get_drvinfo(struct net_device *, struct ethtool_drvinfo *); 965 void qeth_dbf_longtext(debug_info_t *id, int level, char *text, ...); 966 int qeth_core_ethtool_get_link_ksettings(struct net_device *netdev, 967 struct ethtool_link_ksettings *cmd); 968 int qeth_set_access_ctrl_online(struct qeth_card *card, int fallback); 969 int qeth_hdr_chk_and_bounce(struct sk_buff *, struct qeth_hdr **, int); 970 int qeth_configure_cq(struct qeth_card *, enum qeth_cq); 971 int qeth_hw_trap(struct qeth_card *, enum qeth_diags_trap_action); 972 int qeth_query_ipassists(struct qeth_card *, enum qeth_prot_versions prot); 973 void qeth_trace_features(struct qeth_card *); 974 void qeth_close_dev(struct qeth_card *); 975 int qeth_send_simple_setassparms(struct qeth_card *, enum qeth_ipa_funcs, 976 __u16, long); 977 int qeth_send_setassparms(struct qeth_card *, struct qeth_cmd_buffer *, __u16, 978 long, 979 int (*reply_cb)(struct qeth_card *, 980 struct qeth_reply *, unsigned long), 981 void *); 982 int qeth_setassparms_cb(struct qeth_card *, struct qeth_reply *, unsigned long); 983 struct qeth_cmd_buffer *qeth_get_setassparms_cmd(struct qeth_card *, 984 enum qeth_ipa_funcs, 985 __u16, __u16, 986 enum qeth_prot_versions); 987 int qeth_set_features(struct net_device *, netdev_features_t); 988 void qeth_recover_features(struct net_device *dev); 989 netdev_features_t qeth_fix_features(struct net_device *, netdev_features_t); 990 netdev_features_t qeth_features_check(struct sk_buff *skb, 991 struct net_device *dev, 992 netdev_features_t features); 993 int qeth_vm_request_mac(struct qeth_card *card); 994 int qeth_push_hdr(struct sk_buff *skb, struct qeth_hdr **hdr, unsigned int len); 995 996 /* exports for OSN */ 997 int qeth_osn_assist(struct net_device *, void *, int); 998 int qeth_osn_register(unsigned char *read_dev_no, struct net_device **, 999 int (*assist_cb)(struct net_device *, void *), 1000 int (*data_cb)(struct sk_buff *)); 1001 void qeth_osn_deregister(struct net_device *); 1002 1003 #endif /* __QETH_CORE_H__ */ 1004