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_QERR, 44 QETH_DBF_TRACE, 45 QETH_DBF_MSG, 46 QETH_DBF_SENSE, 47 QETH_DBF_MISC, 48 QETH_DBF_CTRL, 49 QETH_DBF_INFOS /* must be last element */ 50 }; 51 52 struct qeth_dbf_info { 53 char name[DEBUG_MAX_NAME_LEN]; 54 int pages; 55 int areas; 56 int len; 57 int level; 58 struct debug_view *view; 59 debug_info_t *id; 60 }; 61 62 #define QETH_DBF_CTRL_LEN 256 63 64 #define QETH_DBF_TEXT(name, level, text) \ 65 debug_text_event(qeth_dbf[QETH_DBF_##name].id, level, text) 66 67 #define QETH_DBF_HEX(name, level, addr, len) \ 68 debug_event(qeth_dbf[QETH_DBF_##name].id, level, (void *)(addr), len) 69 70 #define QETH_DBF_MESSAGE(level, text...) \ 71 debug_sprintf_event(qeth_dbf[QETH_DBF_MSG].id, level, text) 72 73 #define QETH_DBF_TEXT_(name, level, text...) \ 74 qeth_dbf_longtext(QETH_DBF_##name, level, text) 75 76 #define SENSE_COMMAND_REJECT_BYTE 0 77 #define SENSE_COMMAND_REJECT_FLAG 0x80 78 #define SENSE_RESETTING_EVENT_BYTE 1 79 #define SENSE_RESETTING_EVENT_FLAG 0x80 80 81 /* 82 * Common IO related definitions 83 */ 84 #define CARD_RDEV(card) card->read.ccwdev 85 #define CARD_WDEV(card) card->write.ccwdev 86 #define CARD_DDEV(card) card->data.ccwdev 87 #define CARD_BUS_ID(card) dev_name(&card->gdev->dev) 88 #define CARD_RDEV_ID(card) dev_name(&card->read.ccwdev->dev) 89 #define CARD_WDEV_ID(card) dev_name(&card->write.ccwdev->dev) 90 #define CARD_DDEV_ID(card) dev_name(&card->data.ccwdev->dev) 91 #define CHANNEL_ID(channel) dev_name(&channel->ccwdev->dev) 92 93 /** 94 * card stuff 95 */ 96 struct qeth_perf_stats { 97 unsigned int bufs_rec; 98 unsigned int bufs_sent; 99 100 unsigned int skbs_sent_pack; 101 unsigned int bufs_sent_pack; 102 103 unsigned int sc_dp_p; 104 unsigned int sc_p_dp; 105 /* qdio_input_handler: number of times called, time spent in */ 106 __u64 inbound_start_time; 107 unsigned int inbound_cnt; 108 unsigned int inbound_time; 109 /* qeth_send_packet: number of times called, time spent in */ 110 __u64 outbound_start_time; 111 unsigned int outbound_cnt; 112 unsigned int outbound_time; 113 /* qdio_output_handler: number of times called, time spent in */ 114 __u64 outbound_handler_start_time; 115 unsigned int outbound_handler_cnt; 116 unsigned int outbound_handler_time; 117 /* number of calls to and time spent in do_QDIO for inbound queue */ 118 __u64 inbound_do_qdio_start_time; 119 unsigned int inbound_do_qdio_cnt; 120 unsigned int inbound_do_qdio_time; 121 /* number of calls to and time spent in do_QDIO for outbound queues */ 122 __u64 outbound_do_qdio_start_time; 123 unsigned int outbound_do_qdio_cnt; 124 unsigned int outbound_do_qdio_time; 125 unsigned int large_send_bytes; 126 unsigned int large_send_cnt; 127 unsigned int sg_skbs_sent; 128 unsigned int sg_frags_sent; 129 /* initial values when measuring starts */ 130 unsigned long initial_rx_packets; 131 unsigned long initial_tx_packets; 132 /* inbound scatter gather data */ 133 unsigned int sg_skbs_rx; 134 unsigned int sg_frags_rx; 135 unsigned int sg_alloc_page_rx; 136 unsigned int tx_csum; 137 unsigned int tx_lin; 138 }; 139 140 /* Routing stuff */ 141 struct qeth_routing_info { 142 enum qeth_routing_types type; 143 }; 144 145 /* IPA stuff */ 146 struct qeth_ipa_info { 147 __u32 supported_funcs; 148 __u32 enabled_funcs; 149 }; 150 151 static inline int qeth_is_ipa_supported(struct qeth_ipa_info *ipa, 152 enum qeth_ipa_funcs func) 153 { 154 return (ipa->supported_funcs & func); 155 } 156 157 static inline int qeth_is_ipa_enabled(struct qeth_ipa_info *ipa, 158 enum qeth_ipa_funcs func) 159 { 160 return (ipa->supported_funcs & ipa->enabled_funcs & func); 161 } 162 163 #define qeth_adp_supported(c, f) \ 164 qeth_is_ipa_supported(&c->options.adp, f) 165 #define qeth_adp_enabled(c, f) \ 166 qeth_is_ipa_enabled(&c->options.adp, f) 167 #define qeth_is_supported(c, f) \ 168 qeth_is_ipa_supported(&c->options.ipa4, f) 169 #define qeth_is_enabled(c, f) \ 170 qeth_is_ipa_enabled(&c->options.ipa4, f) 171 #define qeth_is_supported6(c, f) \ 172 qeth_is_ipa_supported(&c->options.ipa6, f) 173 #define qeth_is_enabled6(c, f) \ 174 qeth_is_ipa_enabled(&c->options.ipa6, f) 175 #define qeth_is_ipafunc_supported(c, prot, f) \ 176 ((prot == QETH_PROT_IPV6) ? \ 177 qeth_is_supported6(c, f) : qeth_is_supported(c, f)) 178 #define qeth_is_ipafunc_enabled(c, prot, f) \ 179 ((prot == QETH_PROT_IPV6) ? \ 180 qeth_is_enabled6(c, f) : qeth_is_enabled(c, f)) 181 182 #define QETH_IDX_FUNC_LEVEL_OSD 0x0101 183 #define QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT 0x4108 184 #define QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT 0x5108 185 186 #define QETH_MODELLIST_ARRAY \ 187 {{0x1731, 0x01, 0x1732, QETH_CARD_TYPE_OSD, QETH_MAX_QUEUES, 0}, \ 188 {0x1731, 0x05, 0x1732, QETH_CARD_TYPE_IQD, QETH_MAX_QUEUES, 0x103}, \ 189 {0x1731, 0x06, 0x1732, QETH_CARD_TYPE_OSN, QETH_MAX_QUEUES, 0}, \ 190 {0x1731, 0x02, 0x1732, QETH_CARD_TYPE_OSM, QETH_MAX_QUEUES, 0}, \ 191 {0x1731, 0x02, 0x1732, QETH_CARD_TYPE_OSX, QETH_MAX_QUEUES, 0}, \ 192 {0, 0, 0, 0, 0, 0} } 193 #define QETH_CU_TYPE_IND 0 194 #define QETH_CU_MODEL_IND 1 195 #define QETH_DEV_TYPE_IND 2 196 #define QETH_DEV_MODEL_IND 3 197 #define QETH_QUEUE_NO_IND 4 198 #define QETH_MULTICAST_IND 5 199 200 #define QETH_REAL_CARD 1 201 #define QETH_VLAN_CARD 2 202 #define QETH_BUFSIZE 4096 203 204 /** 205 * some more defs 206 */ 207 #define QETH_TX_TIMEOUT 100 * HZ 208 #define QETH_RCD_TIMEOUT 60 * HZ 209 #define QETH_HEADER_SIZE 32 210 #define QETH_MAX_PORTNO 15 211 212 /*IPv6 address autoconfiguration stuff*/ 213 #define UNIQUE_ID_IF_CREATE_ADDR_FAILED 0xfffe 214 #define UNIQUE_ID_NOT_BY_CARD 0x10000 215 216 /*****************************************************************************/ 217 /* QDIO queue and buffer handling */ 218 /*****************************************************************************/ 219 #define QETH_MAX_QUEUES 4 220 #define QETH_IN_BUF_SIZE_DEFAULT 65536 221 #define QETH_IN_BUF_COUNT_DEFAULT 16 222 #define QETH_IN_BUF_COUNT_MIN 8 223 #define QETH_IN_BUF_COUNT_MAX 128 224 #define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12) 225 #define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \ 226 ((card)->qdio.in_buf_pool.buf_count / 2) 227 228 /* buffers we have to be behind before we get a PCI */ 229 #define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1) 230 /*enqueued free buffers left before we get a PCI*/ 231 #define QETH_PCI_THRESHOLD_B(card) 0 232 /*not used unless the microcode gets patched*/ 233 #define QETH_PCI_TIMER_VALUE(card) 3 234 235 /* priority queing */ 236 #define QETH_PRIOQ_DEFAULT QETH_NO_PRIO_QUEUEING 237 #define QETH_DEFAULT_QUEUE 2 238 #define QETH_NO_PRIO_QUEUEING 0 239 #define QETH_PRIO_Q_ING_PREC 1 240 #define QETH_PRIO_Q_ING_TOS 2 241 #define IP_TOS_LOWDELAY 0x10 242 #define IP_TOS_HIGHTHROUGHPUT 0x08 243 #define IP_TOS_HIGHRELIABILITY 0x04 244 #define IP_TOS_NOTIMPORTANT 0x02 245 246 /* Packing */ 247 #define QETH_LOW_WATERMARK_PACK 2 248 #define QETH_HIGH_WATERMARK_PACK 5 249 #define QETH_WATERMARK_PACK_FUZZ 1 250 251 #define QETH_IP_HEADER_SIZE 40 252 253 /* large receive scatter gather copy break */ 254 #define QETH_RX_SG_CB (PAGE_SIZE >> 1) 255 256 struct qeth_hdr_layer3 { 257 __u8 id; 258 __u8 flags; 259 __u16 inbound_checksum; /*TSO:__u16 seqno */ 260 __u32 token; /*TSO: __u32 reserved */ 261 __u16 length; 262 __u8 vlan_prio; 263 __u8 ext_flags; 264 __u16 vlan_id; 265 __u16 frame_offset; 266 __u8 dest_addr[16]; 267 } __attribute__ ((packed)); 268 269 struct qeth_hdr_layer2 { 270 __u8 id; 271 __u8 flags[3]; 272 __u8 port_no; 273 __u8 hdr_length; 274 __u16 pkt_length; 275 __u16 seq_no; 276 __u16 vlan_id; 277 __u32 reserved; 278 __u8 reserved2[16]; 279 } __attribute__ ((packed)); 280 281 struct qeth_hdr_osn { 282 __u8 id; 283 __u8 reserved; 284 __u16 seq_no; 285 __u16 reserved2; 286 __u16 control_flags; 287 __u16 pdu_length; 288 __u8 reserved3[18]; 289 __u32 ccid; 290 } __attribute__ ((packed)); 291 292 struct qeth_hdr { 293 union { 294 struct qeth_hdr_layer2 l2; 295 struct qeth_hdr_layer3 l3; 296 struct qeth_hdr_osn osn; 297 } hdr; 298 } __attribute__ ((packed)); 299 300 /*TCP Segmentation Offload header*/ 301 struct qeth_hdr_ext_tso { 302 __u16 hdr_tot_len; 303 __u8 imb_hdr_no; 304 __u8 reserved; 305 __u8 hdr_type; 306 __u8 hdr_version; 307 __u16 hdr_len; 308 __u32 payload_len; 309 __u16 mss; 310 __u16 dg_hdr_len; 311 __u8 padding[16]; 312 } __attribute__ ((packed)); 313 314 struct qeth_hdr_tso { 315 struct qeth_hdr hdr; /*hdr->hdr.l3.xxx*/ 316 struct qeth_hdr_ext_tso ext; 317 } __attribute__ ((packed)); 318 319 320 /* flags for qeth_hdr.flags */ 321 #define QETH_HDR_PASSTHRU 0x10 322 #define QETH_HDR_IPV6 0x80 323 #define QETH_HDR_CAST_MASK 0x07 324 enum qeth_cast_flags { 325 QETH_CAST_UNICAST = 0x06, 326 QETH_CAST_MULTICAST = 0x04, 327 QETH_CAST_BROADCAST = 0x05, 328 QETH_CAST_ANYCAST = 0x07, 329 QETH_CAST_NOCAST = 0x00, 330 }; 331 332 enum qeth_layer2_frame_flags { 333 QETH_LAYER2_FLAG_MULTICAST = 0x01, 334 QETH_LAYER2_FLAG_BROADCAST = 0x02, 335 QETH_LAYER2_FLAG_UNICAST = 0x04, 336 QETH_LAYER2_FLAG_VLAN = 0x10, 337 }; 338 339 enum qeth_header_ids { 340 QETH_HEADER_TYPE_LAYER3 = 0x01, 341 QETH_HEADER_TYPE_LAYER2 = 0x02, 342 QETH_HEADER_TYPE_TSO = 0x03, 343 QETH_HEADER_TYPE_OSN = 0x04, 344 }; 345 /* flags for qeth_hdr.ext_flags */ 346 #define QETH_HDR_EXT_VLAN_FRAME 0x01 347 #define QETH_HDR_EXT_TOKEN_ID 0x02 348 #define QETH_HDR_EXT_INCLUDE_VLAN_TAG 0x04 349 #define QETH_HDR_EXT_SRC_MAC_ADDR 0x08 350 #define QETH_HDR_EXT_CSUM_HDR_REQ 0x10 351 #define QETH_HDR_EXT_CSUM_TRANSP_REQ 0x20 352 #define QETH_HDR_EXT_UDP 0x40 /*bit off for TCP*/ 353 354 static inline int qeth_is_last_sbale(struct qdio_buffer_element *sbale) 355 { 356 return (sbale->flags & SBAL_FLAGS_LAST_ENTRY); 357 } 358 359 enum qeth_qdio_buffer_states { 360 /* 361 * inbound: read out by driver; owned by hardware in order to be filled 362 * outbound: owned by driver in order to be filled 363 */ 364 QETH_QDIO_BUF_EMPTY, 365 /* 366 * inbound: filled by hardware; owned by driver in order to be read out 367 * outbound: filled by driver; owned by hardware in order to be sent 368 */ 369 QETH_QDIO_BUF_PRIMED, 370 }; 371 372 enum qeth_qdio_info_states { 373 QETH_QDIO_UNINITIALIZED, 374 QETH_QDIO_ALLOCATED, 375 QETH_QDIO_ESTABLISHED, 376 QETH_QDIO_CLEANING 377 }; 378 379 struct qeth_buffer_pool_entry { 380 struct list_head list; 381 struct list_head init_list; 382 void *elements[QDIO_MAX_ELEMENTS_PER_BUFFER]; 383 }; 384 385 struct qeth_qdio_buffer_pool { 386 struct list_head entry_list; 387 int buf_count; 388 }; 389 390 struct qeth_qdio_buffer { 391 struct qdio_buffer *buffer; 392 /* the buffer pool entry currently associated to this buffer */ 393 struct qeth_buffer_pool_entry *pool_entry; 394 }; 395 396 struct qeth_qdio_q { 397 struct qdio_buffer qdio_bufs[QDIO_MAX_BUFFERS_PER_Q]; 398 struct qeth_qdio_buffer bufs[QDIO_MAX_BUFFERS_PER_Q]; 399 int next_buf_to_init; 400 } __attribute__ ((aligned(256))); 401 402 /* possible types of qeth large_send support */ 403 enum qeth_large_send_types { 404 QETH_LARGE_SEND_NO, 405 QETH_LARGE_SEND_TSO, 406 }; 407 408 struct qeth_qdio_out_buffer { 409 struct qdio_buffer *buffer; 410 atomic_t state; 411 int next_element_to_fill; 412 struct sk_buff_head skb_list; 413 struct list_head ctx_list; 414 int is_header[16]; 415 }; 416 417 struct qeth_card; 418 419 enum qeth_out_q_states { 420 QETH_OUT_Q_UNLOCKED, 421 QETH_OUT_Q_LOCKED, 422 QETH_OUT_Q_LOCKED_FLUSH, 423 }; 424 425 struct qeth_qdio_out_q { 426 struct qdio_buffer qdio_bufs[QDIO_MAX_BUFFERS_PER_Q]; 427 struct qeth_qdio_out_buffer bufs[QDIO_MAX_BUFFERS_PER_Q]; 428 int queue_no; 429 struct qeth_card *card; 430 atomic_t state; 431 int do_pack; 432 /* 433 * index of buffer to be filled by driver; state EMPTY or PACKING 434 */ 435 int next_buf_to_fill; 436 int sync_iqdio_error; 437 /* 438 * number of buffers that are currently filled (PRIMED) 439 * -> these buffers are hardware-owned 440 */ 441 atomic_t used_buffers; 442 /* indicates whether PCI flag must be set (or if one is outstanding) */ 443 atomic_t set_pci_flags_count; 444 } __attribute__ ((aligned(256))); 445 446 struct qeth_qdio_info { 447 atomic_t state; 448 /* input */ 449 struct qeth_qdio_q *in_q; 450 struct qeth_qdio_buffer_pool in_buf_pool; 451 struct qeth_qdio_buffer_pool init_pool; 452 int in_buf_size; 453 454 /* output */ 455 int no_out_queues; 456 struct qeth_qdio_out_q **out_qs; 457 458 /* priority queueing */ 459 int do_prio_queueing; 460 int default_out_queue; 461 }; 462 463 enum qeth_send_errors { 464 QETH_SEND_ERROR_NONE, 465 QETH_SEND_ERROR_LINK_FAILURE, 466 QETH_SEND_ERROR_RETRY, 467 QETH_SEND_ERROR_KICK_IT, 468 }; 469 470 #define QETH_ETH_MAC_V4 0x0100 /* like v4 */ 471 #define QETH_ETH_MAC_V6 0x3333 /* like v6 */ 472 /* tr mc mac is longer, but that will be enough to detect mc frames */ 473 #define QETH_TR_MAC_NC 0xc000 /* non-canonical */ 474 #define QETH_TR_MAC_C 0x0300 /* canonical */ 475 476 #define DEFAULT_ADD_HHLEN 0 477 #define MAX_ADD_HHLEN 1024 478 479 /** 480 * buffer stuff for read channel 481 */ 482 #define QETH_CMD_BUFFER_NO 8 483 484 /** 485 * channel state machine 486 */ 487 enum qeth_channel_states { 488 CH_STATE_UP, 489 CH_STATE_DOWN, 490 CH_STATE_ACTIVATING, 491 CH_STATE_HALTED, 492 CH_STATE_STOPPED, 493 CH_STATE_RCD, 494 CH_STATE_RCD_DONE, 495 }; 496 /** 497 * card state machine 498 */ 499 enum qeth_card_states { 500 CARD_STATE_DOWN, 501 CARD_STATE_HARDSETUP, 502 CARD_STATE_SOFTSETUP, 503 CARD_STATE_UP, 504 CARD_STATE_RECOVER, 505 }; 506 507 /** 508 * Protocol versions 509 */ 510 enum qeth_prot_versions { 511 QETH_PROT_IPV4 = 0x0004, 512 QETH_PROT_IPV6 = 0x0006, 513 }; 514 515 enum qeth_ip_types { 516 QETH_IP_TYPE_NORMAL, 517 QETH_IP_TYPE_VIPA, 518 QETH_IP_TYPE_RXIP, 519 QETH_IP_TYPE_DEL_ALL_MC, 520 }; 521 522 enum qeth_cmd_buffer_state { 523 BUF_STATE_FREE, 524 BUF_STATE_LOCKED, 525 BUF_STATE_PROCESSED, 526 }; 527 528 struct qeth_ipato { 529 int enabled; 530 int invert4; 531 int invert6; 532 struct list_head entries; 533 }; 534 535 struct qeth_channel; 536 537 struct qeth_cmd_buffer { 538 enum qeth_cmd_buffer_state state; 539 struct qeth_channel *channel; 540 unsigned char *data; 541 int rc; 542 void (*callback) (struct qeth_channel *, struct qeth_cmd_buffer *); 543 }; 544 545 /** 546 * definition of a qeth channel, used for read and write 547 */ 548 struct qeth_channel { 549 enum qeth_channel_states state; 550 struct ccw1 ccw; 551 spinlock_t iob_lock; 552 wait_queue_head_t wait_q; 553 struct tasklet_struct irq_tasklet; 554 struct ccw_device *ccwdev; 555 /*command buffer for control data*/ 556 struct qeth_cmd_buffer iob[QETH_CMD_BUFFER_NO]; 557 atomic_t irq_pending; 558 int io_buf_no; 559 int buf_no; 560 }; 561 562 /** 563 * OSA card related definitions 564 */ 565 struct qeth_token { 566 __u32 issuer_rm_w; 567 __u32 issuer_rm_r; 568 __u32 cm_filter_w; 569 __u32 cm_filter_r; 570 __u32 cm_connection_w; 571 __u32 cm_connection_r; 572 __u32 ulp_filter_w; 573 __u32 ulp_filter_r; 574 __u32 ulp_connection_w; 575 __u32 ulp_connection_r; 576 }; 577 578 struct qeth_seqno { 579 __u32 trans_hdr; 580 __u32 pdu_hdr; 581 __u32 pdu_hdr_ack; 582 __u16 ipa; 583 __u32 pkt_seqno; 584 }; 585 586 struct qeth_reply { 587 struct list_head list; 588 wait_queue_head_t wait_q; 589 int (*callback)(struct qeth_card *, struct qeth_reply *, 590 unsigned long); 591 u32 seqno; 592 unsigned long offset; 593 atomic_t received; 594 int rc; 595 void *param; 596 struct qeth_card *card; 597 atomic_t refcnt; 598 }; 599 600 601 struct qeth_card_blkt { 602 int time_total; 603 int inter_packet; 604 int inter_packet_jumbo; 605 }; 606 607 #define QETH_BROADCAST_WITH_ECHO 0x01 608 #define QETH_BROADCAST_WITHOUT_ECHO 0x02 609 #define QETH_LAYER2_MAC_READ 0x01 610 #define QETH_LAYER2_MAC_REGISTERED 0x02 611 struct qeth_card_info { 612 unsigned short unit_addr2; 613 unsigned short cula; 614 unsigned short chpid; 615 __u16 func_level; 616 char mcl_level[QETH_MCL_LENGTH + 1]; 617 int guestlan; 618 int mac_bits; 619 int portname_required; 620 int portno; 621 char portname[9]; 622 enum qeth_card_types type; 623 enum qeth_link_types link_type; 624 int is_multicast_different; 625 int initial_mtu; 626 int max_mtu; 627 int broadcast_capable; 628 int unique_id; 629 struct qeth_card_blkt blkt; 630 __u32 csum_mask; 631 __u32 tx_csum_mask; 632 enum qeth_ipa_promisc_modes promisc_mode; 633 }; 634 635 struct qeth_card_options { 636 struct qeth_routing_info route4; 637 struct qeth_ipa_info ipa4; 638 struct qeth_ipa_info adp; /*Adapter parameters*/ 639 struct qeth_routing_info route6; 640 struct qeth_ipa_info ipa6; 641 enum qeth_checksum_types checksum_type; 642 int broadcast_mode; 643 int macaddr_mode; 644 int fake_broadcast; 645 int add_hhlen; 646 int layer2; 647 enum qeth_large_send_types large_send; 648 int performance_stats; 649 int rx_sg_cb; 650 enum qeth_ipa_isolation_modes isolation; 651 int sniffer; 652 }; 653 654 /* 655 * thread bits for qeth_card thread masks 656 */ 657 enum qeth_threads { 658 QETH_RECOVER_THREAD = 1, 659 }; 660 661 struct qeth_osn_info { 662 int (*assist_cb)(struct net_device *dev, void *data); 663 int (*data_cb)(struct sk_buff *skb); 664 }; 665 666 enum qeth_discipline_id { 667 QETH_DISCIPLINE_LAYER3 = 0, 668 QETH_DISCIPLINE_LAYER2 = 1, 669 }; 670 671 struct qeth_discipline { 672 qdio_handler_t *input_handler; 673 qdio_handler_t *output_handler; 674 int (*recover)(void *ptr); 675 struct ccwgroup_driver *ccwgdriver; 676 }; 677 678 struct qeth_vlan_vid { 679 struct list_head list; 680 unsigned short vid; 681 }; 682 683 struct qeth_mc_mac { 684 struct list_head list; 685 __u8 mc_addr[MAX_ADDR_LEN]; 686 unsigned char mc_addrlen; 687 int is_vmac; 688 }; 689 690 struct qeth_skb_data { 691 __u32 magic; 692 int count; 693 }; 694 695 #define QETH_SKB_MAGIC 0x71657468 696 #define QETH_SIGA_CC2_RETRIES 3 697 698 struct qeth_card { 699 struct list_head list; 700 enum qeth_card_states state; 701 int lan_online; 702 spinlock_t lock; 703 struct ccwgroup_device *gdev; 704 struct qeth_channel read; 705 struct qeth_channel write; 706 struct qeth_channel data; 707 708 struct net_device *dev; 709 struct net_device_stats stats; 710 711 struct qeth_card_info info; 712 struct qeth_token token; 713 struct qeth_seqno seqno; 714 struct qeth_card_options options; 715 716 wait_queue_head_t wait_q; 717 spinlock_t vlanlock; 718 spinlock_t mclock; 719 struct vlan_group *vlangrp; 720 struct list_head vid_list; 721 struct list_head mc_list; 722 struct work_struct kernel_thread_starter; 723 spinlock_t thread_mask_lock; 724 unsigned long thread_start_mask; 725 unsigned long thread_allowed_mask; 726 unsigned long thread_running_mask; 727 spinlock_t ip_lock; 728 struct list_head ip_list; 729 struct list_head *ip_tbd_list; 730 struct qeth_ipato ipato; 731 struct list_head cmd_waiter_list; 732 /* QDIO buffer handling */ 733 struct qeth_qdio_info qdio; 734 struct qeth_perf_stats perf_stats; 735 int use_hard_stop; 736 struct qeth_osn_info osn_info; 737 struct qeth_discipline discipline; 738 atomic_t force_alloc_skb; 739 struct service_level qeth_service_level; 740 struct qdio_ssqd_desc ssqd; 741 struct mutex conf_mutex; 742 }; 743 744 struct qeth_card_list_struct { 745 struct list_head list; 746 rwlock_t rwlock; 747 }; 748 749 /*some helper functions*/ 750 #define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "") 751 752 static inline struct qeth_card *CARD_FROM_CDEV(struct ccw_device *cdev) 753 { 754 struct qeth_card *card = dev_get_drvdata(&((struct ccwgroup_device *) 755 dev_get_drvdata(&cdev->dev))->dev); 756 return card; 757 } 758 759 static inline int qeth_get_micros(void) 760 { 761 return (int) (get_clock() >> 12); 762 } 763 764 static inline int qeth_get_ip_version(struct sk_buff *skb) 765 { 766 struct ethhdr *ehdr = (struct ethhdr *)skb->data; 767 switch (ehdr->h_proto) { 768 case ETH_P_IPV6: 769 return 6; 770 case ETH_P_IP: 771 return 4; 772 default: 773 return 0; 774 } 775 } 776 777 static inline void qeth_put_buffer_pool_entry(struct qeth_card *card, 778 struct qeth_buffer_pool_entry *entry) 779 { 780 list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list); 781 } 782 783 extern struct ccwgroup_driver qeth_l2_ccwgroup_driver; 784 extern struct ccwgroup_driver qeth_l3_ccwgroup_driver; 785 const char *qeth_get_cardname_short(struct qeth_card *); 786 int qeth_realloc_buffer_pool(struct qeth_card *, int); 787 int qeth_core_load_discipline(struct qeth_card *, enum qeth_discipline_id); 788 void qeth_core_free_discipline(struct qeth_card *); 789 int qeth_core_create_device_attributes(struct device *); 790 void qeth_core_remove_device_attributes(struct device *); 791 int qeth_core_create_osn_attributes(struct device *); 792 void qeth_core_remove_osn_attributes(struct device *); 793 794 /* exports for qeth discipline device drivers */ 795 extern struct qeth_card_list_struct qeth_core_card_list; 796 extern struct kmem_cache *qeth_core_header_cache; 797 extern struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS]; 798 799 void qeth_set_allowed_threads(struct qeth_card *, unsigned long , int); 800 int qeth_threads_running(struct qeth_card *, unsigned long); 801 int qeth_wait_for_threads(struct qeth_card *, unsigned long); 802 int qeth_do_run_thread(struct qeth_card *, unsigned long); 803 void qeth_clear_thread_start_bit(struct qeth_card *, unsigned long); 804 void qeth_clear_thread_running_bit(struct qeth_card *, unsigned long); 805 int qeth_core_hardsetup_card(struct qeth_card *); 806 void qeth_print_status_message(struct qeth_card *); 807 int qeth_init_qdio_queues(struct qeth_card *); 808 int qeth_send_startlan(struct qeth_card *); 809 int qeth_send_stoplan(struct qeth_card *); 810 int qeth_send_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, 811 int (*reply_cb) 812 (struct qeth_card *, struct qeth_reply *, unsigned long), 813 void *); 814 struct qeth_cmd_buffer *qeth_get_ipacmd_buffer(struct qeth_card *, 815 enum qeth_ipa_cmds, enum qeth_prot_versions); 816 int qeth_query_setadapterparms(struct qeth_card *); 817 int qeth_check_qdio_errors(struct qeth_card *, struct qdio_buffer *, 818 unsigned int, const char *); 819 void qeth_queue_input_buffer(struct qeth_card *, int); 820 struct sk_buff *qeth_core_get_next_skb(struct qeth_card *, 821 struct qdio_buffer *, struct qdio_buffer_element **, int *, 822 struct qeth_hdr **); 823 void qeth_schedule_recovery(struct qeth_card *); 824 void qeth_qdio_output_handler(struct ccw_device *, unsigned int, 825 int, int, int, unsigned long); 826 void qeth_clear_ipacmd_list(struct qeth_card *); 827 int qeth_qdio_clear_card(struct qeth_card *, int); 828 void qeth_clear_working_pool_list(struct qeth_card *); 829 void qeth_clear_cmd_buffers(struct qeth_channel *); 830 void qeth_clear_qdio_buffers(struct qeth_card *); 831 void qeth_setadp_promisc_mode(struct qeth_card *); 832 struct net_device_stats *qeth_get_stats(struct net_device *); 833 int qeth_change_mtu(struct net_device *, int); 834 int qeth_setadpparms_change_macaddr(struct qeth_card *); 835 void qeth_tx_timeout(struct net_device *); 836 void qeth_prepare_control_data(struct qeth_card *, int, 837 struct qeth_cmd_buffer *); 838 void qeth_release_buffer(struct qeth_channel *, struct qeth_cmd_buffer *); 839 void qeth_prepare_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, char); 840 struct qeth_cmd_buffer *qeth_wait_for_buffer(struct qeth_channel *); 841 int qeth_mdio_read(struct net_device *, int, int); 842 int qeth_snmp_command(struct qeth_card *, char __user *); 843 struct qeth_cmd_buffer *qeth_get_adapter_cmd(struct qeth_card *, __u32, __u32); 844 int qeth_default_setadapterparms_cb(struct qeth_card *, struct qeth_reply *, 845 unsigned long); 846 int qeth_send_control_data(struct qeth_card *, int, struct qeth_cmd_buffer *, 847 int (*reply_cb)(struct qeth_card *, struct qeth_reply*, unsigned long), 848 void *reply_param); 849 int qeth_get_priority_queue(struct qeth_card *, struct sk_buff *, int, int); 850 int qeth_get_elements_no(struct qeth_card *, void *, struct sk_buff *, int); 851 int qeth_do_send_packet_fast(struct qeth_card *, struct qeth_qdio_out_q *, 852 struct sk_buff *, struct qeth_hdr *, int, int, int); 853 int qeth_do_send_packet(struct qeth_card *, struct qeth_qdio_out_q *, 854 struct sk_buff *, struct qeth_hdr *, int); 855 int qeth_core_get_sset_count(struct net_device *, int); 856 void qeth_core_get_ethtool_stats(struct net_device *, 857 struct ethtool_stats *, u64 *); 858 void qeth_core_get_strings(struct net_device *, u32, u8 *); 859 void qeth_core_get_drvinfo(struct net_device *, struct ethtool_drvinfo *); 860 void qeth_dbf_longtext(enum qeth_dbf_names dbf_nix, int level, char *text, ...); 861 int qeth_core_ethtool_get_settings(struct net_device *, struct ethtool_cmd *); 862 int qeth_set_access_ctrl_online(struct qeth_card *card); 863 864 /* exports for OSN */ 865 int qeth_osn_assist(struct net_device *, void *, int); 866 int qeth_osn_register(unsigned char *read_dev_no, struct net_device **, 867 int (*assist_cb)(struct net_device *, void *), 868 int (*data_cb)(struct sk_buff *)); 869 void qeth_osn_deregister(struct net_device *); 870 871 #endif /* __QETH_CORE_H__ */ 872