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 #include <asm/sysinfo.h> 35 36 #include "qeth_core_mpc.h" 37 38 /** 39 * Debug Facility stuff 40 */ 41 enum qeth_dbf_names { 42 QETH_DBF_SETUP, 43 QETH_DBF_MSG, 44 QETH_DBF_CTRL, 45 QETH_DBF_INFOS /* must be last element */ 46 }; 47 48 struct qeth_dbf_info { 49 char name[DEBUG_MAX_NAME_LEN]; 50 int pages; 51 int areas; 52 int len; 53 int level; 54 struct debug_view *view; 55 debug_info_t *id; 56 }; 57 58 #define QETH_DBF_CTRL_LEN 256 59 60 #define QETH_DBF_TEXT(name, level, text) \ 61 debug_text_event(qeth_dbf[QETH_DBF_##name].id, level, text) 62 63 #define QETH_DBF_HEX(name, level, addr, len) \ 64 debug_event(qeth_dbf[QETH_DBF_##name].id, level, (void *)(addr), len) 65 66 #define QETH_DBF_MESSAGE(level, text...) \ 67 debug_sprintf_event(qeth_dbf[QETH_DBF_MSG].id, level, text) 68 69 #define QETH_DBF_TEXT_(name, level, text...) \ 70 qeth_dbf_longtext(qeth_dbf[QETH_DBF_##name].id, level, text) 71 72 #define QETH_CARD_TEXT(card, level, text) \ 73 debug_text_event(card->debug, level, text) 74 75 #define QETH_CARD_HEX(card, level, addr, len) \ 76 debug_event(card->debug, level, (void *)(addr), len) 77 78 #define QETH_CARD_MESSAGE(card, text...) \ 79 debug_sprintf_event(card->debug, level, text) 80 81 #define QETH_CARD_TEXT_(card, level, text...) \ 82 qeth_dbf_longtext(card->debug, level, text) 83 84 #define SENSE_COMMAND_REJECT_BYTE 0 85 #define SENSE_COMMAND_REJECT_FLAG 0x80 86 #define SENSE_RESETTING_EVENT_BYTE 1 87 #define SENSE_RESETTING_EVENT_FLAG 0x80 88 89 /* 90 * Common IO related definitions 91 */ 92 #define CARD_RDEV(card) card->read.ccwdev 93 #define CARD_WDEV(card) card->write.ccwdev 94 #define CARD_DDEV(card) card->data.ccwdev 95 #define CARD_BUS_ID(card) dev_name(&card->gdev->dev) 96 #define CARD_RDEV_ID(card) dev_name(&card->read.ccwdev->dev) 97 #define CARD_WDEV_ID(card) dev_name(&card->write.ccwdev->dev) 98 #define CARD_DDEV_ID(card) dev_name(&card->data.ccwdev->dev) 99 #define CHANNEL_ID(channel) dev_name(&channel->ccwdev->dev) 100 101 /** 102 * card stuff 103 */ 104 struct qeth_perf_stats { 105 unsigned int bufs_rec; 106 unsigned int bufs_sent; 107 108 unsigned int skbs_sent_pack; 109 unsigned int bufs_sent_pack; 110 111 unsigned int sc_dp_p; 112 unsigned int sc_p_dp; 113 /* qdio_input_handler: number of times called, time spent in */ 114 __u64 inbound_start_time; 115 unsigned int inbound_cnt; 116 unsigned int inbound_time; 117 /* qeth_send_packet: number of times called, time spent in */ 118 __u64 outbound_start_time; 119 unsigned int outbound_cnt; 120 unsigned int outbound_time; 121 /* qdio_output_handler: number of times called, time spent in */ 122 __u64 outbound_handler_start_time; 123 unsigned int outbound_handler_cnt; 124 unsigned int outbound_handler_time; 125 /* number of calls to and time spent in do_QDIO for inbound queue */ 126 __u64 inbound_do_qdio_start_time; 127 unsigned int inbound_do_qdio_cnt; 128 unsigned int inbound_do_qdio_time; 129 /* number of calls to and time spent in do_QDIO for outbound queues */ 130 __u64 outbound_do_qdio_start_time; 131 unsigned int outbound_do_qdio_cnt; 132 unsigned int outbound_do_qdio_time; 133 unsigned int large_send_bytes; 134 unsigned int large_send_cnt; 135 unsigned int sg_skbs_sent; 136 unsigned int sg_frags_sent; 137 /* initial values when measuring starts */ 138 unsigned long initial_rx_packets; 139 unsigned long initial_tx_packets; 140 /* inbound scatter gather data */ 141 unsigned int sg_skbs_rx; 142 unsigned int sg_frags_rx; 143 unsigned int sg_alloc_page_rx; 144 unsigned int tx_csum; 145 unsigned int tx_lin; 146 }; 147 148 /* Routing stuff */ 149 struct qeth_routing_info { 150 enum qeth_routing_types type; 151 }; 152 153 /* IPA stuff */ 154 struct qeth_ipa_info { 155 __u32 supported_funcs; 156 __u32 enabled_funcs; 157 }; 158 159 static inline int qeth_is_ipa_supported(struct qeth_ipa_info *ipa, 160 enum qeth_ipa_funcs func) 161 { 162 return (ipa->supported_funcs & func); 163 } 164 165 static inline int qeth_is_ipa_enabled(struct qeth_ipa_info *ipa, 166 enum qeth_ipa_funcs func) 167 { 168 return (ipa->supported_funcs & ipa->enabled_funcs & func); 169 } 170 171 #define qeth_adp_supported(c, f) \ 172 qeth_is_ipa_supported(&c->options.adp, f) 173 #define qeth_adp_enabled(c, f) \ 174 qeth_is_ipa_enabled(&c->options.adp, f) 175 #define qeth_is_supported(c, f) \ 176 qeth_is_ipa_supported(&c->options.ipa4, f) 177 #define qeth_is_enabled(c, f) \ 178 qeth_is_ipa_enabled(&c->options.ipa4, f) 179 #define qeth_is_supported6(c, f) \ 180 qeth_is_ipa_supported(&c->options.ipa6, f) 181 #define qeth_is_enabled6(c, f) \ 182 qeth_is_ipa_enabled(&c->options.ipa6, f) 183 #define qeth_is_ipafunc_supported(c, prot, f) \ 184 ((prot == QETH_PROT_IPV6) ? \ 185 qeth_is_supported6(c, f) : qeth_is_supported(c, f)) 186 #define qeth_is_ipafunc_enabled(c, prot, f) \ 187 ((prot == QETH_PROT_IPV6) ? \ 188 qeth_is_enabled6(c, f) : qeth_is_enabled(c, f)) 189 190 #define QETH_IDX_FUNC_LEVEL_OSD 0x0101 191 #define QETH_IDX_FUNC_LEVEL_IQD 0x4108 192 193 #define QETH_MODELLIST_ARRAY \ 194 {{0x1731, 0x01, 0x1732, QETH_CARD_TYPE_OSD, QETH_MAX_QUEUES, 0}, \ 195 {0x1731, 0x05, 0x1732, QETH_CARD_TYPE_IQD, QETH_MAX_QUEUES, 0x103}, \ 196 {0x1731, 0x06, 0x1732, QETH_CARD_TYPE_OSN, QETH_MAX_QUEUES, 0}, \ 197 {0x1731, 0x02, 0x1732, QETH_CARD_TYPE_OSM, QETH_MAX_QUEUES, 0}, \ 198 {0x1731, 0x02, 0x1732, QETH_CARD_TYPE_OSX, QETH_MAX_QUEUES, 0}, \ 199 {0, 0, 0, 0, 0, 0} } 200 #define QETH_CU_TYPE_IND 0 201 #define QETH_CU_MODEL_IND 1 202 #define QETH_DEV_TYPE_IND 2 203 #define QETH_DEV_MODEL_IND 3 204 #define QETH_QUEUE_NO_IND 4 205 #define QETH_MULTICAST_IND 5 206 207 #define QETH_REAL_CARD 1 208 #define QETH_VLAN_CARD 2 209 #define QETH_BUFSIZE 4096 210 211 /** 212 * some more defs 213 */ 214 #define QETH_TX_TIMEOUT 100 * HZ 215 #define QETH_RCD_TIMEOUT 60 * HZ 216 #define QETH_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 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_TSO, 413 }; 414 415 struct qeth_qdio_out_buffer { 416 struct qdio_buffer *buffer; 417 atomic_t state; 418 int next_element_to_fill; 419 struct sk_buff_head skb_list; 420 struct list_head ctx_list; 421 int is_header[16]; 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 int sync_iqdio_error; 444 /* 445 * number of buffers that are currently filled (PRIMED) 446 * -> these buffers are hardware-owned 447 */ 448 atomic_t used_buffers; 449 /* indicates whether PCI flag must be set (or if one is outstanding) */ 450 atomic_t set_pci_flags_count; 451 } __attribute__ ((aligned(256))); 452 453 struct qeth_qdio_info { 454 atomic_t state; 455 /* input */ 456 struct qeth_qdio_q *in_q; 457 struct qeth_qdio_buffer_pool in_buf_pool; 458 struct qeth_qdio_buffer_pool init_pool; 459 int in_buf_size; 460 461 /* output */ 462 int no_out_queues; 463 struct qeth_qdio_out_q **out_qs; 464 465 /* priority queueing */ 466 int do_prio_queueing; 467 int default_out_queue; 468 }; 469 470 enum qeth_send_errors { 471 QETH_SEND_ERROR_NONE, 472 QETH_SEND_ERROR_LINK_FAILURE, 473 QETH_SEND_ERROR_RETRY, 474 QETH_SEND_ERROR_KICK_IT, 475 }; 476 477 #define QETH_ETH_MAC_V4 0x0100 /* like v4 */ 478 #define QETH_ETH_MAC_V6 0x3333 /* like v6 */ 479 /* tr mc mac is longer, but that will be enough to detect mc frames */ 480 #define QETH_TR_MAC_NC 0xc000 /* non-canonical */ 481 #define QETH_TR_MAC_C 0x0300 /* canonical */ 482 483 #define DEFAULT_ADD_HHLEN 0 484 #define MAX_ADD_HHLEN 1024 485 486 /** 487 * buffer stuff for read channel 488 */ 489 #define QETH_CMD_BUFFER_NO 8 490 491 /** 492 * channel state machine 493 */ 494 enum qeth_channel_states { 495 CH_STATE_UP, 496 CH_STATE_DOWN, 497 CH_STATE_ACTIVATING, 498 CH_STATE_HALTED, 499 CH_STATE_STOPPED, 500 CH_STATE_RCD, 501 CH_STATE_RCD_DONE, 502 }; 503 /** 504 * card state machine 505 */ 506 enum qeth_card_states { 507 CARD_STATE_DOWN, 508 CARD_STATE_HARDSETUP, 509 CARD_STATE_SOFTSETUP, 510 CARD_STATE_UP, 511 CARD_STATE_RECOVER, 512 }; 513 514 /** 515 * Protocol versions 516 */ 517 enum qeth_prot_versions { 518 QETH_PROT_IPV4 = 0x0004, 519 QETH_PROT_IPV6 = 0x0006, 520 }; 521 522 enum qeth_ip_types { 523 QETH_IP_TYPE_NORMAL, 524 QETH_IP_TYPE_VIPA, 525 QETH_IP_TYPE_RXIP, 526 QETH_IP_TYPE_DEL_ALL_MC, 527 }; 528 529 enum qeth_cmd_buffer_state { 530 BUF_STATE_FREE, 531 BUF_STATE_LOCKED, 532 BUF_STATE_PROCESSED, 533 }; 534 535 struct qeth_ipato { 536 int enabled; 537 int invert4; 538 int invert6; 539 struct list_head entries; 540 }; 541 542 struct qeth_channel; 543 544 struct qeth_cmd_buffer { 545 enum qeth_cmd_buffer_state state; 546 struct qeth_channel *channel; 547 unsigned char *data; 548 int rc; 549 void (*callback) (struct qeth_channel *, struct qeth_cmd_buffer *); 550 }; 551 552 /** 553 * definition of a qeth channel, used for read and write 554 */ 555 struct qeth_channel { 556 enum qeth_channel_states state; 557 struct ccw1 ccw; 558 spinlock_t iob_lock; 559 wait_queue_head_t wait_q; 560 struct tasklet_struct irq_tasklet; 561 struct ccw_device *ccwdev; 562 /*command buffer for control data*/ 563 struct qeth_cmd_buffer iob[QETH_CMD_BUFFER_NO]; 564 atomic_t irq_pending; 565 int io_buf_no; 566 int buf_no; 567 }; 568 569 /** 570 * OSA card related definitions 571 */ 572 struct qeth_token { 573 __u32 issuer_rm_w; 574 __u32 issuer_rm_r; 575 __u32 cm_filter_w; 576 __u32 cm_filter_r; 577 __u32 cm_connection_w; 578 __u32 cm_connection_r; 579 __u32 ulp_filter_w; 580 __u32 ulp_filter_r; 581 __u32 ulp_connection_w; 582 __u32 ulp_connection_r; 583 }; 584 585 struct qeth_seqno { 586 __u32 trans_hdr; 587 __u32 pdu_hdr; 588 __u32 pdu_hdr_ack; 589 __u16 ipa; 590 __u32 pkt_seqno; 591 }; 592 593 struct qeth_reply { 594 struct list_head list; 595 wait_queue_head_t wait_q; 596 int (*callback)(struct qeth_card *, struct qeth_reply *, 597 unsigned long); 598 u32 seqno; 599 unsigned long offset; 600 atomic_t received; 601 int rc; 602 void *param; 603 struct qeth_card *card; 604 atomic_t refcnt; 605 }; 606 607 608 struct qeth_card_blkt { 609 int time_total; 610 int inter_packet; 611 int inter_packet_jumbo; 612 }; 613 614 #define QETH_BROADCAST_WITH_ECHO 0x01 615 #define QETH_BROADCAST_WITHOUT_ECHO 0x02 616 #define QETH_LAYER2_MAC_READ 0x01 617 #define QETH_LAYER2_MAC_REGISTERED 0x02 618 struct qeth_card_info { 619 unsigned short unit_addr2; 620 unsigned short cula; 621 unsigned short chpid; 622 __u16 func_level; 623 char mcl_level[QETH_MCL_LENGTH + 1]; 624 int guestlan; 625 int mac_bits; 626 int portname_required; 627 int portno; 628 char portname[9]; 629 enum qeth_card_types type; 630 enum qeth_link_types link_type; 631 int is_multicast_different; 632 int initial_mtu; 633 int max_mtu; 634 int broadcast_capable; 635 int unique_id; 636 struct qeth_card_blkt blkt; 637 __u32 csum_mask; 638 __u32 tx_csum_mask; 639 enum qeth_ipa_promisc_modes promisc_mode; 640 }; 641 642 struct qeth_card_options { 643 struct qeth_routing_info route4; 644 struct qeth_ipa_info ipa4; 645 struct qeth_ipa_info adp; /*Adapter parameters*/ 646 struct qeth_routing_info route6; 647 struct qeth_ipa_info ipa6; 648 enum qeth_checksum_types checksum_type; 649 int broadcast_mode; 650 int macaddr_mode; 651 int fake_broadcast; 652 int add_hhlen; 653 int layer2; 654 enum qeth_large_send_types large_send; 655 int performance_stats; 656 int rx_sg_cb; 657 enum qeth_ipa_isolation_modes isolation; 658 int sniffer; 659 }; 660 661 /* 662 * thread bits for qeth_card thread masks 663 */ 664 enum qeth_threads { 665 QETH_RECOVER_THREAD = 1, 666 }; 667 668 struct qeth_osn_info { 669 int (*assist_cb)(struct net_device *dev, void *data); 670 int (*data_cb)(struct sk_buff *skb); 671 }; 672 673 enum qeth_discipline_id { 674 QETH_DISCIPLINE_LAYER3 = 0, 675 QETH_DISCIPLINE_LAYER2 = 1, 676 }; 677 678 struct qeth_discipline { 679 void (*start_poll)(struct ccw_device *, int, unsigned long); 680 qdio_handler_t *input_handler; 681 qdio_handler_t *output_handler; 682 int (*recover)(void *ptr); 683 struct ccwgroup_driver *ccwgdriver; 684 }; 685 686 struct qeth_vlan_vid { 687 struct list_head list; 688 unsigned short vid; 689 }; 690 691 struct qeth_mc_mac { 692 struct list_head list; 693 __u8 mc_addr[MAX_ADDR_LEN]; 694 unsigned char mc_addrlen; 695 int is_vmac; 696 }; 697 698 struct qeth_skb_data { 699 __u32 magic; 700 int count; 701 }; 702 703 #define QETH_SKB_MAGIC 0x71657468 704 #define QETH_SIGA_CC2_RETRIES 3 705 706 struct qeth_rx { 707 int b_count; 708 int b_index; 709 struct qdio_buffer_element *b_element; 710 int e_offset; 711 int qdio_err; 712 }; 713 714 #define QETH_NAPI_WEIGHT 128 715 716 struct qeth_card { 717 struct list_head list; 718 enum qeth_card_states state; 719 int lan_online; 720 spinlock_t lock; 721 struct ccwgroup_device *gdev; 722 struct qeth_channel read; 723 struct qeth_channel write; 724 struct qeth_channel data; 725 726 struct net_device *dev; 727 struct net_device_stats stats; 728 729 struct qeth_card_info info; 730 struct qeth_token token; 731 struct qeth_seqno seqno; 732 struct qeth_card_options options; 733 734 wait_queue_head_t wait_q; 735 spinlock_t vlanlock; 736 spinlock_t mclock; 737 struct vlan_group *vlangrp; 738 struct list_head vid_list; 739 struct list_head mc_list; 740 struct work_struct kernel_thread_starter; 741 spinlock_t thread_mask_lock; 742 unsigned long thread_start_mask; 743 unsigned long thread_allowed_mask; 744 unsigned long thread_running_mask; 745 spinlock_t ip_lock; 746 struct list_head ip_list; 747 struct list_head *ip_tbd_list; 748 struct qeth_ipato ipato; 749 struct list_head cmd_waiter_list; 750 /* QDIO buffer handling */ 751 struct qeth_qdio_info qdio; 752 struct qeth_perf_stats perf_stats; 753 int use_hard_stop; 754 int read_or_write_problem; 755 struct qeth_osn_info osn_info; 756 struct qeth_discipline discipline; 757 atomic_t force_alloc_skb; 758 struct service_level qeth_service_level; 759 struct qdio_ssqd_desc ssqd; 760 debug_info_t *debug; 761 struct mutex conf_mutex; 762 struct mutex discipline_mutex; 763 struct napi_struct napi; 764 struct qeth_rx rx; 765 }; 766 767 struct qeth_card_list_struct { 768 struct list_head list; 769 rwlock_t rwlock; 770 }; 771 772 /*some helper functions*/ 773 #define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "") 774 775 static inline struct qeth_card *CARD_FROM_CDEV(struct ccw_device *cdev) 776 { 777 struct qeth_card *card = dev_get_drvdata(&((struct ccwgroup_device *) 778 dev_get_drvdata(&cdev->dev))->dev); 779 return card; 780 } 781 782 static inline int qeth_get_micros(void) 783 { 784 return (int) (get_clock() >> 12); 785 } 786 787 static inline int qeth_get_ip_version(struct sk_buff *skb) 788 { 789 struct ethhdr *ehdr = (struct ethhdr *)skb->data; 790 switch (ehdr->h_proto) { 791 case ETH_P_IPV6: 792 return 6; 793 case ETH_P_IP: 794 return 4; 795 default: 796 return 0; 797 } 798 } 799 800 static inline void qeth_put_buffer_pool_entry(struct qeth_card *card, 801 struct qeth_buffer_pool_entry *entry) 802 { 803 list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list); 804 } 805 806 extern struct ccwgroup_driver qeth_l2_ccwgroup_driver; 807 extern struct ccwgroup_driver qeth_l3_ccwgroup_driver; 808 const char *qeth_get_cardname_short(struct qeth_card *); 809 int qeth_realloc_buffer_pool(struct qeth_card *, int); 810 int qeth_core_load_discipline(struct qeth_card *, enum qeth_discipline_id); 811 void qeth_core_free_discipline(struct qeth_card *); 812 int qeth_core_create_device_attributes(struct device *); 813 void qeth_core_remove_device_attributes(struct device *); 814 int qeth_core_create_osn_attributes(struct device *); 815 void qeth_core_remove_osn_attributes(struct device *); 816 817 /* exports for qeth discipline device drivers */ 818 extern struct qeth_card_list_struct qeth_core_card_list; 819 extern struct kmem_cache *qeth_core_header_cache; 820 extern struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS]; 821 822 void qeth_set_allowed_threads(struct qeth_card *, unsigned long , int); 823 int qeth_threads_running(struct qeth_card *, unsigned long); 824 int qeth_wait_for_threads(struct qeth_card *, unsigned long); 825 int qeth_do_run_thread(struct qeth_card *, unsigned long); 826 void qeth_clear_thread_start_bit(struct qeth_card *, unsigned long); 827 void qeth_clear_thread_running_bit(struct qeth_card *, unsigned long); 828 int qeth_core_hardsetup_card(struct qeth_card *); 829 void qeth_print_status_message(struct qeth_card *); 830 int qeth_init_qdio_queues(struct qeth_card *); 831 int qeth_send_startlan(struct qeth_card *); 832 int qeth_send_stoplan(struct qeth_card *); 833 int qeth_send_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, 834 int (*reply_cb) 835 (struct qeth_card *, struct qeth_reply *, unsigned long), 836 void *); 837 struct qeth_cmd_buffer *qeth_get_ipacmd_buffer(struct qeth_card *, 838 enum qeth_ipa_cmds, enum qeth_prot_versions); 839 int qeth_query_setadapterparms(struct qeth_card *); 840 int qeth_check_qdio_errors(struct qeth_card *, struct qdio_buffer *, 841 unsigned int, const char *); 842 void qeth_queue_input_buffer(struct qeth_card *, int); 843 struct sk_buff *qeth_core_get_next_skb(struct qeth_card *, 844 struct qdio_buffer *, struct qdio_buffer_element **, int *, 845 struct qeth_hdr **); 846 void qeth_schedule_recovery(struct qeth_card *); 847 void qeth_qdio_start_poll(struct ccw_device *, int, unsigned long); 848 void qeth_qdio_input_handler(struct ccw_device *, 849 unsigned int, unsigned int, int, 850 int, unsigned long); 851 void qeth_qdio_output_handler(struct ccw_device *, unsigned int, 852 int, int, int, unsigned long); 853 void qeth_clear_ipacmd_list(struct qeth_card *); 854 int qeth_qdio_clear_card(struct qeth_card *, int); 855 void qeth_clear_working_pool_list(struct qeth_card *); 856 void qeth_clear_cmd_buffers(struct qeth_channel *); 857 void qeth_clear_qdio_buffers(struct qeth_card *); 858 void qeth_setadp_promisc_mode(struct qeth_card *); 859 struct net_device_stats *qeth_get_stats(struct net_device *); 860 int qeth_change_mtu(struct net_device *, int); 861 int qeth_setadpparms_change_macaddr(struct qeth_card *); 862 void qeth_tx_timeout(struct net_device *); 863 void qeth_prepare_control_data(struct qeth_card *, int, 864 struct qeth_cmd_buffer *); 865 void qeth_release_buffer(struct qeth_channel *, struct qeth_cmd_buffer *); 866 void qeth_prepare_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, char); 867 struct qeth_cmd_buffer *qeth_wait_for_buffer(struct qeth_channel *); 868 int qeth_mdio_read(struct net_device *, int, int); 869 int qeth_snmp_command(struct qeth_card *, char __user *); 870 struct qeth_cmd_buffer *qeth_get_adapter_cmd(struct qeth_card *, __u32, __u32); 871 int qeth_default_setadapterparms_cb(struct qeth_card *, struct qeth_reply *, 872 unsigned long); 873 int qeth_send_control_data(struct qeth_card *, int, struct qeth_cmd_buffer *, 874 int (*reply_cb)(struct qeth_card *, struct qeth_reply*, unsigned long), 875 void *reply_param); 876 int qeth_get_priority_queue(struct qeth_card *, struct sk_buff *, int, int); 877 int qeth_get_elements_no(struct qeth_card *, void *, struct sk_buff *, int); 878 int qeth_do_send_packet_fast(struct qeth_card *, struct qeth_qdio_out_q *, 879 struct sk_buff *, struct qeth_hdr *, int, int, int); 880 int qeth_do_send_packet(struct qeth_card *, struct qeth_qdio_out_q *, 881 struct sk_buff *, struct qeth_hdr *, int); 882 int qeth_core_get_sset_count(struct net_device *, int); 883 void qeth_core_get_ethtool_stats(struct net_device *, 884 struct ethtool_stats *, u64 *); 885 void qeth_core_get_strings(struct net_device *, u32, u8 *); 886 void qeth_core_get_drvinfo(struct net_device *, struct ethtool_drvinfo *); 887 void qeth_dbf_longtext(debug_info_t *id, int level, char *text, ...); 888 int qeth_core_ethtool_get_settings(struct net_device *, struct ethtool_cmd *); 889 int qeth_set_access_ctrl_online(struct qeth_card *card); 890 int qeth_hdr_chk_and_bounce(struct sk_buff *, int); 891 892 /* exports for OSN */ 893 int qeth_osn_assist(struct net_device *, void *, int); 894 int qeth_osn_register(unsigned char *read_dev_no, struct net_device **, 895 int (*assist_cb)(struct net_device *, void *), 896 int (*data_cb)(struct sk_buff *)); 897 void qeth_osn_deregister(struct net_device *); 898 899 #endif /* __QETH_CORE_H__ */ 900