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/if_tr.h> 17 #include <linux/trdevice.h> 18 #include <linux/etherdevice.h> 19 #include <linux/if_vlan.h> 20 #include <linux/ctype.h> 21 #include <linux/in6.h> 22 #include <linux/bitops.h> 23 #include <linux/seq_file.h> 24 #include <linux/ethtool.h> 25 26 #include <net/ipv6.h> 27 #include <net/if_inet6.h> 28 #include <net/addrconf.h> 29 30 #include <asm/debug.h> 31 #include <asm/qdio.h> 32 #include <asm/ccwdev.h> 33 #include <asm/ccwgroup.h> 34 35 #include "qeth_core_mpc.h" 36 37 #define KMSG_COMPONENT "qeth" 38 39 /** 40 * Debug Facility stuff 41 */ 42 enum qeth_dbf_names { 43 QETH_DBF_SETUP, 44 QETH_DBF_QERR, 45 QETH_DBF_TRACE, 46 QETH_DBF_MSG, 47 QETH_DBF_SENSE, 48 QETH_DBF_MISC, 49 QETH_DBF_CTRL, 50 QETH_DBF_INFOS /* must be last element */ 51 }; 52 53 struct qeth_dbf_info { 54 char name[DEBUG_MAX_NAME_LEN]; 55 int pages; 56 int areas; 57 int len; 58 int level; 59 struct debug_view *view; 60 debug_info_t *id; 61 }; 62 63 #define QETH_DBF_CTRL_LEN 256 64 65 #define QETH_DBF_TEXT(name, level, text) \ 66 debug_text_event(qeth_dbf[QETH_DBF_##name].id, level, text) 67 68 #define QETH_DBF_HEX(name, level, addr, len) \ 69 debug_event(qeth_dbf[QETH_DBF_##name].id, level, (void *)(addr), len) 70 71 #define QETH_DBF_MESSAGE(level, text...) \ 72 debug_sprintf_event(qeth_dbf[QETH_DBF_MSG].id, level, text) 73 74 #define QETH_DBF_TEXT_(name, level, text...) \ 75 qeth_dbf_longtext(QETH_DBF_##name, level, text) 76 77 /** 78 * some more debug stuff 79 */ 80 #define PRINTK_HEADER "qeth: " 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) card->gdev->dev.bus_id 94 #define CARD_RDEV_ID(card) card->read.ccwdev->dev.bus_id 95 #define CARD_WDEV_ID(card) card->write.ccwdev->dev.bus_id 96 #define CARD_DDEV_ID(card) card->data.ccwdev->dev.bus_id 97 #define CHANNEL_ID(channel) channel->ccwdev->dev.bus_id 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_input_handler: number of times called, time spent in */ 112 __u64 inbound_start_time; 113 unsigned int inbound_cnt; 114 unsigned int inbound_time; 115 /* qeth_send_packet: number of times called, time spent in */ 116 __u64 outbound_start_time; 117 unsigned int outbound_cnt; 118 unsigned int outbound_time; 119 /* qdio_output_handler: number of times called, time spent in */ 120 __u64 outbound_handler_start_time; 121 unsigned int outbound_handler_cnt; 122 unsigned int outbound_handler_time; 123 /* number of calls to and time spent in do_QDIO for inbound queue */ 124 __u64 inbound_do_qdio_start_time; 125 unsigned int inbound_do_qdio_cnt; 126 unsigned int inbound_do_qdio_time; 127 /* number of calls to and time spent in do_QDIO for outbound queues */ 128 __u64 outbound_do_qdio_start_time; 129 unsigned int outbound_do_qdio_cnt; 130 unsigned int outbound_do_qdio_time; 131 /* eddp data */ 132 unsigned int large_send_bytes; 133 unsigned int large_send_cnt; 134 unsigned int sg_skbs_sent; 135 unsigned int sg_frags_sent; 136 /* initial values when measuring starts */ 137 unsigned long initial_rx_packets; 138 unsigned long initial_tx_packets; 139 /* inbound scatter gather data */ 140 unsigned int sg_skbs_rx; 141 unsigned int sg_frags_rx; 142 unsigned int sg_alloc_page_rx; 143 }; 144 145 /* Routing stuff */ 146 struct qeth_routing_info { 147 enum qeth_routing_types type; 148 }; 149 150 /* IPA stuff */ 151 struct qeth_ipa_info { 152 __u32 supported_funcs; 153 __u32 enabled_funcs; 154 }; 155 156 static inline int qeth_is_ipa_supported(struct qeth_ipa_info *ipa, 157 enum qeth_ipa_funcs func) 158 { 159 return (ipa->supported_funcs & func); 160 } 161 162 static inline int qeth_is_ipa_enabled(struct qeth_ipa_info *ipa, 163 enum qeth_ipa_funcs func) 164 { 165 return (ipa->supported_funcs & ipa->enabled_funcs & func); 166 } 167 168 #define qeth_adp_supported(c, f) \ 169 qeth_is_ipa_supported(&c->options.adp, f) 170 #define qeth_adp_enabled(c, f) \ 171 qeth_is_ipa_enabled(&c->options.adp, f) 172 #define qeth_is_supported(c, f) \ 173 qeth_is_ipa_supported(&c->options.ipa4, f) 174 #define qeth_is_enabled(c, f) \ 175 qeth_is_ipa_enabled(&c->options.ipa4, f) 176 #define qeth_is_supported6(c, f) \ 177 qeth_is_ipa_supported(&c->options.ipa6, f) 178 #define qeth_is_enabled6(c, f) \ 179 qeth_is_ipa_enabled(&c->options.ipa6, f) 180 #define qeth_is_ipafunc_supported(c, prot, f) \ 181 ((prot == QETH_PROT_IPV6) ? \ 182 qeth_is_supported6(c, f) : qeth_is_supported(c, f)) 183 #define qeth_is_ipafunc_enabled(c, prot, f) \ 184 ((prot == QETH_PROT_IPV6) ? \ 185 qeth_is_enabled6(c, f) : qeth_is_enabled(c, f)) 186 187 #define QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT 0x0101 188 #define QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT 0x0101 189 #define QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT 0x4108 190 #define QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT 0x5108 191 192 #define QETH_MODELLIST_ARRAY \ 193 {{0x1731, 0x01, 0x1732, 0x01, QETH_CARD_TYPE_OSAE, 1, \ 194 QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT, \ 195 QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT, \ 196 QETH_MAX_QUEUES, 0}, \ 197 {0x1731, 0x05, 0x1732, 0x05, QETH_CARD_TYPE_IQD, 0, \ 198 QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT, \ 199 QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT, \ 200 QETH_MAX_QUEUES, 0x103}, \ 201 {0x1731, 0x06, 0x1732, 0x06, QETH_CARD_TYPE_OSN, 0, \ 202 QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT, \ 203 QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT, \ 204 QETH_MAX_QUEUES, 0}, \ 205 {0, 0, 0, 0, 0, 0, 0, 0, 0} } 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_HEADER_SIZE 32 217 #define QETH_MAX_PORTNO 15 218 219 /*IPv6 address autoconfiguration stuff*/ 220 #define UNIQUE_ID_IF_CREATE_ADDR_FAILED 0xfffe 221 #define UNIQUE_ID_NOT_BY_CARD 0x10000 222 223 /*****************************************************************************/ 224 /* QDIO queue and buffer handling */ 225 /*****************************************************************************/ 226 #define QETH_MAX_QUEUES 4 227 #define QETH_IN_BUF_SIZE_DEFAULT 65536 228 #define QETH_IN_BUF_COUNT_DEFAULT 16 229 #define QETH_IN_BUF_COUNT_MIN 8 230 #define QETH_IN_BUF_COUNT_MAX 128 231 #define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12) 232 #define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \ 233 ((card)->qdio.in_buf_pool.buf_count / 2) 234 235 /* buffers we have to be behind before we get a PCI */ 236 #define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1) 237 /*enqueued free buffers left before we get a PCI*/ 238 #define QETH_PCI_THRESHOLD_B(card) 0 239 /*not used unless the microcode gets patched*/ 240 #define QETH_PCI_TIMER_VALUE(card) 3 241 242 /* priority queing */ 243 #define QETH_PRIOQ_DEFAULT QETH_NO_PRIO_QUEUEING 244 #define QETH_DEFAULT_QUEUE 2 245 #define QETH_NO_PRIO_QUEUEING 0 246 #define QETH_PRIO_Q_ING_PREC 1 247 #define QETH_PRIO_Q_ING_TOS 2 248 #define IP_TOS_LOWDELAY 0x10 249 #define IP_TOS_HIGHTHROUGHPUT 0x08 250 #define IP_TOS_HIGHRELIABILITY 0x04 251 #define IP_TOS_NOTIMPORTANT 0x02 252 253 /* Packing */ 254 #define QETH_LOW_WATERMARK_PACK 2 255 #define QETH_HIGH_WATERMARK_PACK 5 256 #define QETH_WATERMARK_PACK_FUZZ 1 257 258 #define QETH_IP_HEADER_SIZE 40 259 260 /* large receive scatter gather copy break */ 261 #define QETH_RX_SG_CB (PAGE_SIZE >> 1) 262 263 struct qeth_hdr_layer3 { 264 __u8 id; 265 __u8 flags; 266 __u16 inbound_checksum; /*TSO:__u16 seqno */ 267 __u32 token; /*TSO: __u32 reserved */ 268 __u16 length; 269 __u8 vlan_prio; 270 __u8 ext_flags; 271 __u16 vlan_id; 272 __u16 frame_offset; 273 __u8 dest_addr[16]; 274 } __attribute__ ((packed)); 275 276 struct qeth_hdr_layer2 { 277 __u8 id; 278 __u8 flags[3]; 279 __u8 port_no; 280 __u8 hdr_length; 281 __u16 pkt_length; 282 __u16 seq_no; 283 __u16 vlan_id; 284 __u32 reserved; 285 __u8 reserved2[16]; 286 } __attribute__ ((packed)); 287 288 struct qeth_hdr_osn { 289 __u8 id; 290 __u8 reserved; 291 __u16 seq_no; 292 __u16 reserved2; 293 __u16 control_flags; 294 __u16 pdu_length; 295 __u8 reserved3[18]; 296 __u32 ccid; 297 } __attribute__ ((packed)); 298 299 struct qeth_hdr { 300 union { 301 struct qeth_hdr_layer2 l2; 302 struct qeth_hdr_layer3 l3; 303 struct qeth_hdr_osn osn; 304 } hdr; 305 } __attribute__ ((packed)); 306 307 /*TCP Segmentation Offload header*/ 308 struct qeth_hdr_ext_tso { 309 __u16 hdr_tot_len; 310 __u8 imb_hdr_no; 311 __u8 reserved; 312 __u8 hdr_type; 313 __u8 hdr_version; 314 __u16 hdr_len; 315 __u32 payload_len; 316 __u16 mss; 317 __u16 dg_hdr_len; 318 __u8 padding[16]; 319 } __attribute__ ((packed)); 320 321 struct qeth_hdr_tso { 322 struct qeth_hdr hdr; /*hdr->hdr.l3.xxx*/ 323 struct qeth_hdr_ext_tso ext; 324 } __attribute__ ((packed)); 325 326 327 /* flags for qeth_hdr.flags */ 328 #define QETH_HDR_PASSTHRU 0x10 329 #define QETH_HDR_IPV6 0x80 330 #define QETH_HDR_CAST_MASK 0x07 331 enum qeth_cast_flags { 332 QETH_CAST_UNICAST = 0x06, 333 QETH_CAST_MULTICAST = 0x04, 334 QETH_CAST_BROADCAST = 0x05, 335 QETH_CAST_ANYCAST = 0x07, 336 QETH_CAST_NOCAST = 0x00, 337 }; 338 339 enum qeth_layer2_frame_flags { 340 QETH_LAYER2_FLAG_MULTICAST = 0x01, 341 QETH_LAYER2_FLAG_BROADCAST = 0x02, 342 QETH_LAYER2_FLAG_UNICAST = 0x04, 343 QETH_LAYER2_FLAG_VLAN = 0x10, 344 }; 345 346 enum qeth_header_ids { 347 QETH_HEADER_TYPE_LAYER3 = 0x01, 348 QETH_HEADER_TYPE_LAYER2 = 0x02, 349 QETH_HEADER_TYPE_TSO = 0x03, 350 QETH_HEADER_TYPE_OSN = 0x04, 351 }; 352 /* flags for qeth_hdr.ext_flags */ 353 #define QETH_HDR_EXT_VLAN_FRAME 0x01 354 #define QETH_HDR_EXT_TOKEN_ID 0x02 355 #define QETH_HDR_EXT_INCLUDE_VLAN_TAG 0x04 356 #define QETH_HDR_EXT_SRC_MAC_ADDR 0x08 357 #define QETH_HDR_EXT_CSUM_HDR_REQ 0x10 358 #define QETH_HDR_EXT_CSUM_TRANSP_REQ 0x20 359 #define QETH_HDR_EXT_UDP_TSO 0x40 /*bit off for TCP*/ 360 361 static inline int qeth_is_last_sbale(struct qdio_buffer_element *sbale) 362 { 363 return (sbale->flags & SBAL_FLAGS_LAST_ENTRY); 364 } 365 366 enum qeth_qdio_buffer_states { 367 /* 368 * inbound: read out by driver; owned by hardware in order to be filled 369 * outbound: owned by driver in order to be filled 370 */ 371 QETH_QDIO_BUF_EMPTY, 372 /* 373 * inbound: filled by hardware; owned by driver in order to be read out 374 * outbound: filled by driver; owned by hardware in order to be sent 375 */ 376 QETH_QDIO_BUF_PRIMED, 377 }; 378 379 enum qeth_qdio_info_states { 380 QETH_QDIO_UNINITIALIZED, 381 QETH_QDIO_ALLOCATED, 382 QETH_QDIO_ESTABLISHED, 383 QETH_QDIO_CLEANING 384 }; 385 386 struct qeth_buffer_pool_entry { 387 struct list_head list; 388 struct list_head init_list; 389 void *elements[QDIO_MAX_ELEMENTS_PER_BUFFER]; 390 }; 391 392 struct qeth_qdio_buffer_pool { 393 struct list_head entry_list; 394 int buf_count; 395 }; 396 397 struct qeth_qdio_buffer { 398 struct qdio_buffer *buffer; 399 /* the buffer pool entry currently associated to this buffer */ 400 struct qeth_buffer_pool_entry *pool_entry; 401 }; 402 403 struct qeth_qdio_q { 404 struct qdio_buffer qdio_bufs[QDIO_MAX_BUFFERS_PER_Q]; 405 struct qeth_qdio_buffer bufs[QDIO_MAX_BUFFERS_PER_Q]; 406 int next_buf_to_init; 407 } __attribute__ ((aligned(256))); 408 409 /* possible types of qeth large_send support */ 410 enum qeth_large_send_types { 411 QETH_LARGE_SEND_NO, 412 QETH_LARGE_SEND_EDDP, 413 QETH_LARGE_SEND_TSO, 414 }; 415 416 struct qeth_qdio_out_buffer { 417 struct qdio_buffer *buffer; 418 atomic_t state; 419 int next_element_to_fill; 420 struct sk_buff_head skb_list; 421 struct list_head ctx_list; 422 }; 423 424 struct qeth_card; 425 426 enum qeth_out_q_states { 427 QETH_OUT_Q_UNLOCKED, 428 QETH_OUT_Q_LOCKED, 429 QETH_OUT_Q_LOCKED_FLUSH, 430 }; 431 432 struct qeth_qdio_out_q { 433 struct qdio_buffer qdio_bufs[QDIO_MAX_BUFFERS_PER_Q]; 434 struct qeth_qdio_out_buffer bufs[QDIO_MAX_BUFFERS_PER_Q]; 435 int queue_no; 436 struct qeth_card *card; 437 atomic_t state; 438 int do_pack; 439 /* 440 * index of buffer to be filled by driver; state EMPTY or PACKING 441 */ 442 int next_buf_to_fill; 443 /* 444 * number of buffers that are currently filled (PRIMED) 445 * -> these buffers are hardware-owned 446 */ 447 atomic_t used_buffers; 448 /* indicates whether PCI flag must be set (or if one is outstanding) */ 449 atomic_t set_pci_flags_count; 450 } __attribute__ ((aligned(256))); 451 452 struct qeth_qdio_info { 453 atomic_t state; 454 /* input */ 455 struct qeth_qdio_q *in_q; 456 struct qeth_qdio_buffer_pool in_buf_pool; 457 struct qeth_qdio_buffer_pool init_pool; 458 int in_buf_size; 459 460 /* output */ 461 int no_out_queues; 462 struct qeth_qdio_out_q **out_qs; 463 464 /* priority queueing */ 465 int do_prio_queueing; 466 int default_out_queue; 467 }; 468 469 enum qeth_send_errors { 470 QETH_SEND_ERROR_NONE, 471 QETH_SEND_ERROR_LINK_FAILURE, 472 QETH_SEND_ERROR_RETRY, 473 QETH_SEND_ERROR_KICK_IT, 474 }; 475 476 #define QETH_ETH_MAC_V4 0x0100 /* like v4 */ 477 #define QETH_ETH_MAC_V6 0x3333 /* like v6 */ 478 /* tr mc mac is longer, but that will be enough to detect mc frames */ 479 #define QETH_TR_MAC_NC 0xc000 /* non-canonical */ 480 #define QETH_TR_MAC_C 0x0300 /* canonical */ 481 482 #define DEFAULT_ADD_HHLEN 0 483 #define MAX_ADD_HHLEN 1024 484 485 /** 486 * buffer stuff for read channel 487 */ 488 #define QETH_CMD_BUFFER_NO 8 489 490 /** 491 * channel state machine 492 */ 493 enum qeth_channel_states { 494 CH_STATE_UP, 495 CH_STATE_DOWN, 496 CH_STATE_ACTIVATING, 497 CH_STATE_HALTED, 498 CH_STATE_STOPPED, 499 CH_STATE_RCD, 500 CH_STATE_RCD_DONE, 501 }; 502 /** 503 * card state machine 504 */ 505 enum qeth_card_states { 506 CARD_STATE_DOWN, 507 CARD_STATE_HARDSETUP, 508 CARD_STATE_SOFTSETUP, 509 CARD_STATE_UP, 510 CARD_STATE_RECOVER, 511 }; 512 513 /** 514 * Protocol versions 515 */ 516 enum qeth_prot_versions { 517 QETH_PROT_IPV4 = 0x0004, 518 QETH_PROT_IPV6 = 0x0006, 519 }; 520 521 enum qeth_ip_types { 522 QETH_IP_TYPE_NORMAL, 523 QETH_IP_TYPE_VIPA, 524 QETH_IP_TYPE_RXIP, 525 QETH_IP_TYPE_DEL_ALL_MC, 526 }; 527 528 enum qeth_cmd_buffer_state { 529 BUF_STATE_FREE, 530 BUF_STATE_LOCKED, 531 BUF_STATE_PROCESSED, 532 }; 533 534 struct qeth_ipato { 535 int enabled; 536 int invert4; 537 int invert6; 538 struct list_head entries; 539 }; 540 541 struct qeth_channel; 542 543 struct qeth_cmd_buffer { 544 enum qeth_cmd_buffer_state state; 545 struct qeth_channel *channel; 546 unsigned char *data; 547 int rc; 548 void (*callback) (struct qeth_channel *, struct qeth_cmd_buffer *); 549 }; 550 551 /** 552 * definition of a qeth channel, used for read and write 553 */ 554 struct qeth_channel { 555 enum qeth_channel_states state; 556 struct ccw1 ccw; 557 spinlock_t iob_lock; 558 wait_queue_head_t wait_q; 559 struct tasklet_struct irq_tasklet; 560 struct ccw_device *ccwdev; 561 /*command buffer for control data*/ 562 struct qeth_cmd_buffer iob[QETH_CMD_BUFFER_NO]; 563 atomic_t irq_pending; 564 int io_buf_no; 565 int buf_no; 566 }; 567 568 /** 569 * OSA card related definitions 570 */ 571 struct qeth_token { 572 __u32 issuer_rm_w; 573 __u32 issuer_rm_r; 574 __u32 cm_filter_w; 575 __u32 cm_filter_r; 576 __u32 cm_connection_w; 577 __u32 cm_connection_r; 578 __u32 ulp_filter_w; 579 __u32 ulp_filter_r; 580 __u32 ulp_connection_w; 581 __u32 ulp_connection_r; 582 }; 583 584 struct qeth_seqno { 585 __u32 trans_hdr; 586 __u32 pdu_hdr; 587 __u32 pdu_hdr_ack; 588 __u16 ipa; 589 __u32 pkt_seqno; 590 }; 591 592 struct qeth_reply { 593 struct list_head list; 594 wait_queue_head_t wait_q; 595 int (*callback)(struct qeth_card *, struct qeth_reply *, 596 unsigned long); 597 u32 seqno; 598 unsigned long offset; 599 atomic_t received; 600 int rc; 601 void *param; 602 struct qeth_card *card; 603 atomic_t refcnt; 604 }; 605 606 607 struct qeth_card_blkt { 608 int time_total; 609 int inter_packet; 610 int inter_packet_jumbo; 611 }; 612 613 #define QETH_BROADCAST_WITH_ECHO 0x01 614 #define QETH_BROADCAST_WITHOUT_ECHO 0x02 615 #define QETH_LAYER2_MAC_READ 0x01 616 #define QETH_LAYER2_MAC_REGISTERED 0x02 617 struct qeth_card_info { 618 unsigned short unit_addr2; 619 unsigned short cula; 620 unsigned short chpid; 621 __u16 func_level; 622 char mcl_level[QETH_MCL_LENGTH + 1]; 623 int guestlan; 624 int mac_bits; 625 int portname_required; 626 int portno; 627 char portname[9]; 628 enum qeth_card_types type; 629 enum qeth_link_types link_type; 630 int is_multicast_different; 631 int initial_mtu; 632 int max_mtu; 633 int broadcast_capable; 634 int unique_id; 635 struct qeth_card_blkt blkt; 636 __u32 csum_mask; 637 enum qeth_ipa_promisc_modes promisc_mode; 638 }; 639 640 struct qeth_card_options { 641 struct qeth_routing_info route4; 642 struct qeth_ipa_info ipa4; 643 struct qeth_ipa_info adp; /*Adapter parameters*/ 644 struct qeth_routing_info route6; 645 struct qeth_ipa_info ipa6; 646 enum qeth_checksum_types checksum_type; 647 int broadcast_mode; 648 int macaddr_mode; 649 int fake_broadcast; 650 int add_hhlen; 651 int fake_ll; 652 int layer2; 653 enum qeth_large_send_types large_send; 654 int performance_stats; 655 int rx_sg_cb; 656 }; 657 658 /* 659 * thread bits for qeth_card thread masks 660 */ 661 enum qeth_threads { 662 QETH_RECOVER_THREAD = 1, 663 }; 664 665 struct qeth_osn_info { 666 int (*assist_cb)(struct net_device *dev, void *data); 667 int (*data_cb)(struct sk_buff *skb); 668 }; 669 670 enum qeth_discipline_id { 671 QETH_DISCIPLINE_LAYER3 = 0, 672 QETH_DISCIPLINE_LAYER2 = 1, 673 }; 674 675 struct qeth_discipline { 676 qdio_handler_t *input_handler; 677 qdio_handler_t *output_handler; 678 int (*recover)(void *ptr); 679 struct ccwgroup_driver *ccwgdriver; 680 }; 681 682 struct qeth_vlan_vid { 683 struct list_head list; 684 unsigned short vid; 685 }; 686 687 struct qeth_mc_mac { 688 struct list_head list; 689 __u8 mc_addr[MAX_ADDR_LEN]; 690 unsigned char mc_addrlen; 691 }; 692 693 struct qeth_card { 694 struct list_head list; 695 enum qeth_card_states state; 696 int lan_online; 697 spinlock_t lock; 698 struct ccwgroup_device *gdev; 699 struct qeth_channel read; 700 struct qeth_channel write; 701 struct qeth_channel data; 702 703 struct net_device *dev; 704 struct net_device_stats stats; 705 706 struct qeth_card_info info; 707 struct qeth_token token; 708 struct qeth_seqno seqno; 709 struct qeth_card_options options; 710 711 wait_queue_head_t wait_q; 712 spinlock_t vlanlock; 713 spinlock_t mclock; 714 struct vlan_group *vlangrp; 715 struct list_head vid_list; 716 struct list_head mc_list; 717 struct work_struct kernel_thread_starter; 718 spinlock_t thread_mask_lock; 719 unsigned long thread_start_mask; 720 unsigned long thread_allowed_mask; 721 unsigned long thread_running_mask; 722 spinlock_t ip_lock; 723 struct list_head ip_list; 724 struct list_head *ip_tbd_list; 725 struct qeth_ipato ipato; 726 struct list_head cmd_waiter_list; 727 /* QDIO buffer handling */ 728 struct qeth_qdio_info qdio; 729 struct qeth_perf_stats perf_stats; 730 int use_hard_stop; 731 struct qeth_osn_info osn_info; 732 struct qeth_discipline discipline; 733 atomic_t force_alloc_skb; 734 }; 735 736 struct qeth_card_list_struct { 737 struct list_head list; 738 rwlock_t rwlock; 739 }; 740 741 /*some helper functions*/ 742 #define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "") 743 744 static inline struct qeth_card *CARD_FROM_CDEV(struct ccw_device *cdev) 745 { 746 struct qeth_card *card = dev_get_drvdata(&((struct ccwgroup_device *) 747 dev_get_drvdata(&cdev->dev))->dev); 748 return card; 749 } 750 751 static inline int qeth_get_micros(void) 752 { 753 return (int) (get_clock() >> 12); 754 } 755 756 static inline int qeth_get_ip_version(struct sk_buff *skb) 757 { 758 switch (skb->protocol) { 759 case ETH_P_IPV6: 760 return 6; 761 case ETH_P_IP: 762 return 4; 763 default: 764 return 0; 765 } 766 } 767 768 static inline void qeth_put_buffer_pool_entry(struct qeth_card *card, 769 struct qeth_buffer_pool_entry *entry) 770 { 771 list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list); 772 } 773 774 struct qeth_eddp_context; 775 extern struct ccwgroup_driver qeth_l2_ccwgroup_driver; 776 extern struct ccwgroup_driver qeth_l3_ccwgroup_driver; 777 const char *qeth_get_cardname_short(struct qeth_card *); 778 int qeth_realloc_buffer_pool(struct qeth_card *, int); 779 int qeth_core_load_discipline(struct qeth_card *, enum qeth_discipline_id); 780 void qeth_core_free_discipline(struct qeth_card *); 781 int qeth_core_create_device_attributes(struct device *); 782 void qeth_core_remove_device_attributes(struct device *); 783 int qeth_core_create_osn_attributes(struct device *); 784 void qeth_core_remove_osn_attributes(struct device *); 785 786 /* exports for qeth discipline device drivers */ 787 extern struct qeth_card_list_struct qeth_core_card_list; 788 789 extern struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS]; 790 791 void qeth_set_allowed_threads(struct qeth_card *, unsigned long , int); 792 int qeth_threads_running(struct qeth_card *, unsigned long); 793 int qeth_wait_for_threads(struct qeth_card *, unsigned long); 794 int qeth_do_run_thread(struct qeth_card *, unsigned long); 795 void qeth_clear_thread_start_bit(struct qeth_card *, unsigned long); 796 void qeth_clear_thread_running_bit(struct qeth_card *, unsigned long); 797 int qeth_core_hardsetup_card(struct qeth_card *); 798 void qeth_print_status_message(struct qeth_card *); 799 int qeth_init_qdio_queues(struct qeth_card *); 800 int qeth_send_startlan(struct qeth_card *); 801 int qeth_send_stoplan(struct qeth_card *); 802 int qeth_send_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, 803 int (*reply_cb) 804 (struct qeth_card *, struct qeth_reply *, unsigned long), 805 void *); 806 struct qeth_cmd_buffer *qeth_get_ipacmd_buffer(struct qeth_card *, 807 enum qeth_ipa_cmds, enum qeth_prot_versions); 808 int qeth_query_setadapterparms(struct qeth_card *); 809 int qeth_check_qdio_errors(struct qdio_buffer *, unsigned int, const char *); 810 void qeth_queue_input_buffer(struct qeth_card *, int); 811 struct sk_buff *qeth_core_get_next_skb(struct qeth_card *, 812 struct qdio_buffer *, struct qdio_buffer_element **, int *, 813 struct qeth_hdr **); 814 void qeth_schedule_recovery(struct qeth_card *); 815 void qeth_qdio_output_handler(struct ccw_device *, unsigned int, 816 int, int, int, unsigned long); 817 void qeth_clear_ipacmd_list(struct qeth_card *); 818 int qeth_qdio_clear_card(struct qeth_card *, int); 819 void qeth_clear_working_pool_list(struct qeth_card *); 820 void qeth_clear_cmd_buffers(struct qeth_channel *); 821 void qeth_clear_qdio_buffers(struct qeth_card *); 822 void qeth_setadp_promisc_mode(struct qeth_card *); 823 struct net_device_stats *qeth_get_stats(struct net_device *); 824 int qeth_change_mtu(struct net_device *, int); 825 int qeth_setadpparms_change_macaddr(struct qeth_card *); 826 void qeth_tx_timeout(struct net_device *); 827 void qeth_prepare_control_data(struct qeth_card *, int, 828 struct qeth_cmd_buffer *); 829 void qeth_release_buffer(struct qeth_channel *, struct qeth_cmd_buffer *); 830 void qeth_prepare_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, char); 831 struct qeth_cmd_buffer *qeth_wait_for_buffer(struct qeth_channel *); 832 int qeth_mdio_read(struct net_device *, int, int); 833 int qeth_snmp_command(struct qeth_card *, char __user *); 834 int qeth_set_large_send(struct qeth_card *, enum qeth_large_send_types); 835 struct qeth_cmd_buffer *qeth_get_adapter_cmd(struct qeth_card *, __u32, __u32); 836 int qeth_default_setadapterparms_cb(struct qeth_card *, struct qeth_reply *, 837 unsigned long); 838 int qeth_send_control_data(struct qeth_card *, int, struct qeth_cmd_buffer *, 839 int (*reply_cb)(struct qeth_card *, struct qeth_reply*, unsigned long), 840 void *reply_param); 841 int qeth_get_cast_type(struct qeth_card *, struct sk_buff *); 842 int qeth_get_priority_queue(struct qeth_card *, struct sk_buff *, int, int); 843 int qeth_get_elements_no(struct qeth_card *, void *, struct sk_buff *, int); 844 int qeth_do_send_packet_fast(struct qeth_card *, struct qeth_qdio_out_q *, 845 struct sk_buff *, struct qeth_hdr *, int, 846 struct qeth_eddp_context *); 847 int qeth_do_send_packet(struct qeth_card *, struct qeth_qdio_out_q *, 848 struct sk_buff *, struct qeth_hdr *, 849 int, struct qeth_eddp_context *); 850 int qeth_core_get_stats_count(struct net_device *); 851 void qeth_core_get_ethtool_stats(struct net_device *, 852 struct ethtool_stats *, u64 *); 853 void qeth_core_get_strings(struct net_device *, u32, u8 *); 854 void qeth_core_get_drvinfo(struct net_device *, struct ethtool_drvinfo *); 855 void qeth_dbf_longtext(enum qeth_dbf_names dbf_nix, int level, char *text, ...); 856 int qeth_core_ethtool_get_settings(struct net_device *, struct ethtool_cmd *); 857 858 /* exports for OSN */ 859 int qeth_osn_assist(struct net_device *, void *, int); 860 int qeth_osn_register(unsigned char *read_dev_no, struct net_device **, 861 int (*assist_cb)(struct net_device *, void *), 862 int (*data_cb)(struct sk_buff *)); 863 void qeth_osn_deregister(struct net_device *); 864 865 #endif /* __QETH_CORE_H__ */ 866