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_OSAE_ENA_IPAT 0x0101 183 #define QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT 0x0101 184 #define QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT 0x4108 185 #define QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT 0x5108 186 187 #define QETH_MODELLIST_ARRAY \ 188 {{0x1731, 0x01, 0x1732, 0x01, QETH_CARD_TYPE_OSAE, 1, \ 189 QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT, \ 190 QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT, \ 191 QETH_MAX_QUEUES, 0}, \ 192 {0x1731, 0x05, 0x1732, 0x05, QETH_CARD_TYPE_IQD, 0, \ 193 QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT, \ 194 QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT, \ 195 QETH_MAX_QUEUES, 0x103}, \ 196 {0x1731, 0x06, 0x1732, 0x06, QETH_CARD_TYPE_OSN, 0, \ 197 QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT, \ 198 QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT, \ 199 QETH_MAX_QUEUES, 0}, \ 200 {0, 0, 0, 0, 0, 0, 0, 0, 0} } 201 202 #define QETH_REAL_CARD 1 203 #define QETH_VLAN_CARD 2 204 #define QETH_BUFSIZE 4096 205 206 /** 207 * some more defs 208 */ 209 #define QETH_TX_TIMEOUT 100 * HZ 210 #define QETH_RCD_TIMEOUT 60 * HZ 211 #define QETH_HEADER_SIZE 32 212 #define QETH_MAX_PORTNO 15 213 214 /*IPv6 address autoconfiguration stuff*/ 215 #define UNIQUE_ID_IF_CREATE_ADDR_FAILED 0xfffe 216 #define UNIQUE_ID_NOT_BY_CARD 0x10000 217 218 /*****************************************************************************/ 219 /* QDIO queue and buffer handling */ 220 /*****************************************************************************/ 221 #define QETH_MAX_QUEUES 4 222 #define QETH_IN_BUF_SIZE_DEFAULT 65536 223 #define QETH_IN_BUF_COUNT_DEFAULT 16 224 #define QETH_IN_BUF_COUNT_MIN 8 225 #define QETH_IN_BUF_COUNT_MAX 128 226 #define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12) 227 #define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \ 228 ((card)->qdio.in_buf_pool.buf_count / 2) 229 230 /* buffers we have to be behind before we get a PCI */ 231 #define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1) 232 /*enqueued free buffers left before we get a PCI*/ 233 #define QETH_PCI_THRESHOLD_B(card) 0 234 /*not used unless the microcode gets patched*/ 235 #define QETH_PCI_TIMER_VALUE(card) 3 236 237 /* priority queing */ 238 #define QETH_PRIOQ_DEFAULT QETH_NO_PRIO_QUEUEING 239 #define QETH_DEFAULT_QUEUE 2 240 #define QETH_NO_PRIO_QUEUEING 0 241 #define QETH_PRIO_Q_ING_PREC 1 242 #define QETH_PRIO_Q_ING_TOS 2 243 #define IP_TOS_LOWDELAY 0x10 244 #define IP_TOS_HIGHTHROUGHPUT 0x08 245 #define IP_TOS_HIGHRELIABILITY 0x04 246 #define IP_TOS_NOTIMPORTANT 0x02 247 248 /* Packing */ 249 #define QETH_LOW_WATERMARK_PACK 2 250 #define QETH_HIGH_WATERMARK_PACK 5 251 #define QETH_WATERMARK_PACK_FUZZ 1 252 253 #define QETH_IP_HEADER_SIZE 40 254 255 /* large receive scatter gather copy break */ 256 #define QETH_RX_SG_CB (PAGE_SIZE >> 1) 257 258 struct qeth_hdr_layer3 { 259 __u8 id; 260 __u8 flags; 261 __u16 inbound_checksum; /*TSO:__u16 seqno */ 262 __u32 token; /*TSO: __u32 reserved */ 263 __u16 length; 264 __u8 vlan_prio; 265 __u8 ext_flags; 266 __u16 vlan_id; 267 __u16 frame_offset; 268 __u8 dest_addr[16]; 269 } __attribute__ ((packed)); 270 271 struct qeth_hdr_layer2 { 272 __u8 id; 273 __u8 flags[3]; 274 __u8 port_no; 275 __u8 hdr_length; 276 __u16 pkt_length; 277 __u16 seq_no; 278 __u16 vlan_id; 279 __u32 reserved; 280 __u8 reserved2[16]; 281 } __attribute__ ((packed)); 282 283 struct qeth_hdr_osn { 284 __u8 id; 285 __u8 reserved; 286 __u16 seq_no; 287 __u16 reserved2; 288 __u16 control_flags; 289 __u16 pdu_length; 290 __u8 reserved3[18]; 291 __u32 ccid; 292 } __attribute__ ((packed)); 293 294 struct qeth_hdr { 295 union { 296 struct qeth_hdr_layer2 l2; 297 struct qeth_hdr_layer3 l3; 298 struct qeth_hdr_osn osn; 299 } hdr; 300 } __attribute__ ((packed)); 301 302 /*TCP Segmentation Offload header*/ 303 struct qeth_hdr_ext_tso { 304 __u16 hdr_tot_len; 305 __u8 imb_hdr_no; 306 __u8 reserved; 307 __u8 hdr_type; 308 __u8 hdr_version; 309 __u16 hdr_len; 310 __u32 payload_len; 311 __u16 mss; 312 __u16 dg_hdr_len; 313 __u8 padding[16]; 314 } __attribute__ ((packed)); 315 316 struct qeth_hdr_tso { 317 struct qeth_hdr hdr; /*hdr->hdr.l3.xxx*/ 318 struct qeth_hdr_ext_tso ext; 319 } __attribute__ ((packed)); 320 321 322 /* flags for qeth_hdr.flags */ 323 #define QETH_HDR_PASSTHRU 0x10 324 #define QETH_HDR_IPV6 0x80 325 #define QETH_HDR_CAST_MASK 0x07 326 enum qeth_cast_flags { 327 QETH_CAST_UNICAST = 0x06, 328 QETH_CAST_MULTICAST = 0x04, 329 QETH_CAST_BROADCAST = 0x05, 330 QETH_CAST_ANYCAST = 0x07, 331 QETH_CAST_NOCAST = 0x00, 332 }; 333 334 enum qeth_layer2_frame_flags { 335 QETH_LAYER2_FLAG_MULTICAST = 0x01, 336 QETH_LAYER2_FLAG_BROADCAST = 0x02, 337 QETH_LAYER2_FLAG_UNICAST = 0x04, 338 QETH_LAYER2_FLAG_VLAN = 0x10, 339 }; 340 341 enum qeth_header_ids { 342 QETH_HEADER_TYPE_LAYER3 = 0x01, 343 QETH_HEADER_TYPE_LAYER2 = 0x02, 344 QETH_HEADER_TYPE_TSO = 0x03, 345 QETH_HEADER_TYPE_OSN = 0x04, 346 }; 347 /* flags for qeth_hdr.ext_flags */ 348 #define QETH_HDR_EXT_VLAN_FRAME 0x01 349 #define QETH_HDR_EXT_TOKEN_ID 0x02 350 #define QETH_HDR_EXT_INCLUDE_VLAN_TAG 0x04 351 #define QETH_HDR_EXT_SRC_MAC_ADDR 0x08 352 #define QETH_HDR_EXT_CSUM_HDR_REQ 0x10 353 #define QETH_HDR_EXT_CSUM_TRANSP_REQ 0x20 354 #define QETH_HDR_EXT_UDP_TSO 0x40 /*bit off for TCP*/ 355 356 static inline int qeth_is_last_sbale(struct qdio_buffer_element *sbale) 357 { 358 return (sbale->flags & SBAL_FLAGS_LAST_ENTRY); 359 } 360 361 enum qeth_qdio_buffer_states { 362 /* 363 * inbound: read out by driver; owned by hardware in order to be filled 364 * outbound: owned by driver in order to be filled 365 */ 366 QETH_QDIO_BUF_EMPTY, 367 /* 368 * inbound: filled by hardware; owned by driver in order to be read out 369 * outbound: filled by driver; owned by hardware in order to be sent 370 */ 371 QETH_QDIO_BUF_PRIMED, 372 }; 373 374 enum qeth_qdio_info_states { 375 QETH_QDIO_UNINITIALIZED, 376 QETH_QDIO_ALLOCATED, 377 QETH_QDIO_ESTABLISHED, 378 QETH_QDIO_CLEANING 379 }; 380 381 struct qeth_buffer_pool_entry { 382 struct list_head list; 383 struct list_head init_list; 384 void *elements[QDIO_MAX_ELEMENTS_PER_BUFFER]; 385 }; 386 387 struct qeth_qdio_buffer_pool { 388 struct list_head entry_list; 389 int buf_count; 390 }; 391 392 struct qeth_qdio_buffer { 393 struct qdio_buffer *buffer; 394 /* the buffer pool entry currently associated to this buffer */ 395 struct qeth_buffer_pool_entry *pool_entry; 396 }; 397 398 struct qeth_qdio_q { 399 struct qdio_buffer qdio_bufs[QDIO_MAX_BUFFERS_PER_Q]; 400 struct qeth_qdio_buffer bufs[QDIO_MAX_BUFFERS_PER_Q]; 401 int next_buf_to_init; 402 } __attribute__ ((aligned(256))); 403 404 /* possible types of qeth large_send support */ 405 enum qeth_large_send_types { 406 QETH_LARGE_SEND_NO, 407 QETH_LARGE_SEND_TSO, 408 }; 409 410 struct qeth_qdio_out_buffer { 411 struct qdio_buffer *buffer; 412 atomic_t state; 413 int next_element_to_fill; 414 struct sk_buff_head skb_list; 415 struct list_head ctx_list; 416 int is_header[16]; 417 }; 418 419 struct qeth_card; 420 421 enum qeth_out_q_states { 422 QETH_OUT_Q_UNLOCKED, 423 QETH_OUT_Q_LOCKED, 424 QETH_OUT_Q_LOCKED_FLUSH, 425 }; 426 427 struct qeth_qdio_out_q { 428 struct qdio_buffer qdio_bufs[QDIO_MAX_BUFFERS_PER_Q]; 429 struct qeth_qdio_out_buffer bufs[QDIO_MAX_BUFFERS_PER_Q]; 430 int queue_no; 431 struct qeth_card *card; 432 atomic_t state; 433 int do_pack; 434 /* 435 * index of buffer to be filled by driver; state EMPTY or PACKING 436 */ 437 int next_buf_to_fill; 438 int sync_iqdio_error; 439 /* 440 * number of buffers that are currently filled (PRIMED) 441 * -> these buffers are hardware-owned 442 */ 443 atomic_t used_buffers; 444 /* indicates whether PCI flag must be set (or if one is outstanding) */ 445 atomic_t set_pci_flags_count; 446 } __attribute__ ((aligned(256))); 447 448 struct qeth_qdio_info { 449 atomic_t state; 450 /* input */ 451 struct qeth_qdio_q *in_q; 452 struct qeth_qdio_buffer_pool in_buf_pool; 453 struct qeth_qdio_buffer_pool init_pool; 454 int in_buf_size; 455 456 /* output */ 457 int no_out_queues; 458 struct qeth_qdio_out_q **out_qs; 459 460 /* priority queueing */ 461 int do_prio_queueing; 462 int default_out_queue; 463 }; 464 465 enum qeth_send_errors { 466 QETH_SEND_ERROR_NONE, 467 QETH_SEND_ERROR_LINK_FAILURE, 468 QETH_SEND_ERROR_RETRY, 469 QETH_SEND_ERROR_KICK_IT, 470 }; 471 472 #define QETH_ETH_MAC_V4 0x0100 /* like v4 */ 473 #define QETH_ETH_MAC_V6 0x3333 /* like v6 */ 474 /* tr mc mac is longer, but that will be enough to detect mc frames */ 475 #define QETH_TR_MAC_NC 0xc000 /* non-canonical */ 476 #define QETH_TR_MAC_C 0x0300 /* canonical */ 477 478 #define DEFAULT_ADD_HHLEN 0 479 #define MAX_ADD_HHLEN 1024 480 481 /** 482 * buffer stuff for read channel 483 */ 484 #define QETH_CMD_BUFFER_NO 8 485 486 /** 487 * channel state machine 488 */ 489 enum qeth_channel_states { 490 CH_STATE_UP, 491 CH_STATE_DOWN, 492 CH_STATE_ACTIVATING, 493 CH_STATE_HALTED, 494 CH_STATE_STOPPED, 495 CH_STATE_RCD, 496 CH_STATE_RCD_DONE, 497 }; 498 /** 499 * card state machine 500 */ 501 enum qeth_card_states { 502 CARD_STATE_DOWN, 503 CARD_STATE_HARDSETUP, 504 CARD_STATE_SOFTSETUP, 505 CARD_STATE_UP, 506 CARD_STATE_RECOVER, 507 }; 508 509 /** 510 * Protocol versions 511 */ 512 enum qeth_prot_versions { 513 QETH_PROT_IPV4 = 0x0004, 514 QETH_PROT_IPV6 = 0x0006, 515 }; 516 517 enum qeth_ip_types { 518 QETH_IP_TYPE_NORMAL, 519 QETH_IP_TYPE_VIPA, 520 QETH_IP_TYPE_RXIP, 521 QETH_IP_TYPE_DEL_ALL_MC, 522 }; 523 524 enum qeth_cmd_buffer_state { 525 BUF_STATE_FREE, 526 BUF_STATE_LOCKED, 527 BUF_STATE_PROCESSED, 528 }; 529 530 struct qeth_ipato { 531 int enabled; 532 int invert4; 533 int invert6; 534 struct list_head entries; 535 }; 536 537 struct qeth_channel; 538 539 struct qeth_cmd_buffer { 540 enum qeth_cmd_buffer_state state; 541 struct qeth_channel *channel; 542 unsigned char *data; 543 int rc; 544 void (*callback) (struct qeth_channel *, struct qeth_cmd_buffer *); 545 }; 546 547 /** 548 * definition of a qeth channel, used for read and write 549 */ 550 struct qeth_channel { 551 enum qeth_channel_states state; 552 struct ccw1 ccw; 553 spinlock_t iob_lock; 554 wait_queue_head_t wait_q; 555 struct tasklet_struct irq_tasklet; 556 struct ccw_device *ccwdev; 557 /*command buffer for control data*/ 558 struct qeth_cmd_buffer iob[QETH_CMD_BUFFER_NO]; 559 atomic_t irq_pending; 560 int io_buf_no; 561 int buf_no; 562 }; 563 564 /** 565 * OSA card related definitions 566 */ 567 struct qeth_token { 568 __u32 issuer_rm_w; 569 __u32 issuer_rm_r; 570 __u32 cm_filter_w; 571 __u32 cm_filter_r; 572 __u32 cm_connection_w; 573 __u32 cm_connection_r; 574 __u32 ulp_filter_w; 575 __u32 ulp_filter_r; 576 __u32 ulp_connection_w; 577 __u32 ulp_connection_r; 578 }; 579 580 struct qeth_seqno { 581 __u32 trans_hdr; 582 __u32 pdu_hdr; 583 __u32 pdu_hdr_ack; 584 __u16 ipa; 585 __u32 pkt_seqno; 586 }; 587 588 struct qeth_reply { 589 struct list_head list; 590 wait_queue_head_t wait_q; 591 int (*callback)(struct qeth_card *, struct qeth_reply *, 592 unsigned long); 593 u32 seqno; 594 unsigned long offset; 595 atomic_t received; 596 int rc; 597 void *param; 598 struct qeth_card *card; 599 atomic_t refcnt; 600 }; 601 602 603 struct qeth_card_blkt { 604 int time_total; 605 int inter_packet; 606 int inter_packet_jumbo; 607 }; 608 609 #define QETH_BROADCAST_WITH_ECHO 0x01 610 #define QETH_BROADCAST_WITHOUT_ECHO 0x02 611 #define QETH_LAYER2_MAC_READ 0x01 612 #define QETH_LAYER2_MAC_REGISTERED 0x02 613 struct qeth_card_info { 614 unsigned short unit_addr2; 615 unsigned short cula; 616 unsigned short chpid; 617 __u16 func_level; 618 char mcl_level[QETH_MCL_LENGTH + 1]; 619 int guestlan; 620 int mac_bits; 621 int portname_required; 622 int portno; 623 char portname[9]; 624 enum qeth_card_types type; 625 enum qeth_link_types link_type; 626 int is_multicast_different; 627 int initial_mtu; 628 int max_mtu; 629 int broadcast_capable; 630 int unique_id; 631 struct qeth_card_blkt blkt; 632 __u32 csum_mask; 633 enum qeth_ipa_promisc_modes promisc_mode; 634 }; 635 636 struct qeth_card_options { 637 struct qeth_routing_info route4; 638 struct qeth_ipa_info ipa4; 639 struct qeth_ipa_info adp; /*Adapter parameters*/ 640 struct qeth_routing_info route6; 641 struct qeth_ipa_info ipa6; 642 enum qeth_checksum_types checksum_type; 643 int broadcast_mode; 644 int macaddr_mode; 645 int fake_broadcast; 646 int add_hhlen; 647 int layer2; 648 enum qeth_large_send_types large_send; 649 int performance_stats; 650 int rx_sg_cb; 651 enum qeth_ipa_isolation_modes isolation; 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 }; 741 742 struct qeth_card_list_struct { 743 struct list_head list; 744 rwlock_t rwlock; 745 }; 746 747 /*some helper functions*/ 748 #define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "") 749 750 static inline struct qeth_card *CARD_FROM_CDEV(struct ccw_device *cdev) 751 { 752 struct qeth_card *card = dev_get_drvdata(&((struct ccwgroup_device *) 753 dev_get_drvdata(&cdev->dev))->dev); 754 return card; 755 } 756 757 static inline int qeth_get_micros(void) 758 { 759 return (int) (get_clock() >> 12); 760 } 761 762 static inline int qeth_get_ip_version(struct sk_buff *skb) 763 { 764 switch (skb->protocol) { 765 case ETH_P_IPV6: 766 return 6; 767 case ETH_P_IP: 768 return 4; 769 default: 770 return 0; 771 } 772 } 773 774 static inline void qeth_put_buffer_pool_entry(struct qeth_card *card, 775 struct qeth_buffer_pool_entry *entry) 776 { 777 list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list); 778 } 779 780 extern struct ccwgroup_driver qeth_l2_ccwgroup_driver; 781 extern struct ccwgroup_driver qeth_l3_ccwgroup_driver; 782 const char *qeth_get_cardname_short(struct qeth_card *); 783 int qeth_realloc_buffer_pool(struct qeth_card *, int); 784 int qeth_core_load_discipline(struct qeth_card *, enum qeth_discipline_id); 785 void qeth_core_free_discipline(struct qeth_card *); 786 int qeth_core_create_device_attributes(struct device *); 787 void qeth_core_remove_device_attributes(struct device *); 788 int qeth_core_create_osn_attributes(struct device *); 789 void qeth_core_remove_osn_attributes(struct device *); 790 791 /* exports for qeth discipline device drivers */ 792 extern struct qeth_card_list_struct qeth_core_card_list; 793 extern struct kmem_cache *qeth_core_header_cache; 794 extern struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS]; 795 796 void qeth_set_allowed_threads(struct qeth_card *, unsigned long , int); 797 int qeth_threads_running(struct qeth_card *, unsigned long); 798 int qeth_wait_for_threads(struct qeth_card *, unsigned long); 799 int qeth_do_run_thread(struct qeth_card *, unsigned long); 800 void qeth_clear_thread_start_bit(struct qeth_card *, unsigned long); 801 void qeth_clear_thread_running_bit(struct qeth_card *, unsigned long); 802 int qeth_core_hardsetup_card(struct qeth_card *); 803 void qeth_print_status_message(struct qeth_card *); 804 int qeth_init_qdio_queues(struct qeth_card *); 805 int qeth_send_startlan(struct qeth_card *); 806 int qeth_send_stoplan(struct qeth_card *); 807 int qeth_send_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, 808 int (*reply_cb) 809 (struct qeth_card *, struct qeth_reply *, unsigned long), 810 void *); 811 struct qeth_cmd_buffer *qeth_get_ipacmd_buffer(struct qeth_card *, 812 enum qeth_ipa_cmds, enum qeth_prot_versions); 813 int qeth_query_setadapterparms(struct qeth_card *); 814 int qeth_check_qdio_errors(struct qdio_buffer *, unsigned int, const char *); 815 void qeth_queue_input_buffer(struct qeth_card *, int); 816 struct sk_buff *qeth_core_get_next_skb(struct qeth_card *, 817 struct qdio_buffer *, struct qdio_buffer_element **, int *, 818 struct qeth_hdr **); 819 void qeth_schedule_recovery(struct qeth_card *); 820 void qeth_qdio_output_handler(struct ccw_device *, unsigned int, 821 int, int, int, unsigned long); 822 void qeth_clear_ipacmd_list(struct qeth_card *); 823 int qeth_qdio_clear_card(struct qeth_card *, int); 824 void qeth_clear_working_pool_list(struct qeth_card *); 825 void qeth_clear_cmd_buffers(struct qeth_channel *); 826 void qeth_clear_qdio_buffers(struct qeth_card *); 827 void qeth_setadp_promisc_mode(struct qeth_card *); 828 struct net_device_stats *qeth_get_stats(struct net_device *); 829 int qeth_change_mtu(struct net_device *, int); 830 int qeth_setadpparms_change_macaddr(struct qeth_card *); 831 void qeth_tx_timeout(struct net_device *); 832 void qeth_prepare_control_data(struct qeth_card *, int, 833 struct qeth_cmd_buffer *); 834 void qeth_release_buffer(struct qeth_channel *, struct qeth_cmd_buffer *); 835 void qeth_prepare_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, char); 836 struct qeth_cmd_buffer *qeth_wait_for_buffer(struct qeth_channel *); 837 int qeth_mdio_read(struct net_device *, int, int); 838 int qeth_snmp_command(struct qeth_card *, char __user *); 839 struct qeth_cmd_buffer *qeth_get_adapter_cmd(struct qeth_card *, __u32, __u32); 840 int qeth_default_setadapterparms_cb(struct qeth_card *, struct qeth_reply *, 841 unsigned long); 842 int qeth_send_control_data(struct qeth_card *, int, struct qeth_cmd_buffer *, 843 int (*reply_cb)(struct qeth_card *, struct qeth_reply*, unsigned long), 844 void *reply_param); 845 int qeth_get_priority_queue(struct qeth_card *, struct sk_buff *, int, int); 846 int qeth_get_elements_no(struct qeth_card *, void *, struct sk_buff *, int); 847 int qeth_do_send_packet_fast(struct qeth_card *, struct qeth_qdio_out_q *, 848 struct sk_buff *, struct qeth_hdr *, int, int, int); 849 int qeth_do_send_packet(struct qeth_card *, struct qeth_qdio_out_q *, 850 struct sk_buff *, struct qeth_hdr *, int); 851 int qeth_core_get_sset_count(struct net_device *, int); 852 void qeth_core_get_ethtool_stats(struct net_device *, 853 struct ethtool_stats *, u64 *); 854 void qeth_core_get_strings(struct net_device *, u32, u8 *); 855 void qeth_core_get_drvinfo(struct net_device *, struct ethtool_drvinfo *); 856 void qeth_dbf_longtext(enum qeth_dbf_names dbf_nix, int level, char *text, ...); 857 int qeth_core_ethtool_get_settings(struct net_device *, struct ethtool_cmd *); 858 int qeth_set_access_ctrl_online(struct qeth_card *card); 859 860 /* exports for OSN */ 861 int qeth_osn_assist(struct net_device *, void *, int); 862 int qeth_osn_register(unsigned char *read_dev_no, struct net_device **, 863 int (*assist_cb)(struct net_device *, void *), 864 int (*data_cb)(struct sk_buff *)); 865 void qeth_osn_deregister(struct net_device *); 866 867 #endif /* __QETH_CORE_H__ */ 868