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_cq_handler: number of times called, time spent in */ 114 __u64 cq_start_time; 115 unsigned int cq_cnt; 116 unsigned int cq_time; 117 /* qdio_input_handler: number of times called, time spent in */ 118 __u64 inbound_start_time; 119 unsigned int inbound_cnt; 120 unsigned int inbound_time; 121 /* qeth_send_packet: number of times called, time spent in */ 122 __u64 outbound_start_time; 123 unsigned int outbound_cnt; 124 unsigned int outbound_time; 125 /* qdio_output_handler: number of times called, time spent in */ 126 __u64 outbound_handler_start_time; 127 unsigned int outbound_handler_cnt; 128 unsigned int outbound_handler_time; 129 /* number of calls to and time spent in do_QDIO for inbound queue */ 130 __u64 inbound_do_qdio_start_time; 131 unsigned int inbound_do_qdio_cnt; 132 unsigned int inbound_do_qdio_time; 133 /* number of calls to and time spent in do_QDIO for outbound queues */ 134 __u64 outbound_do_qdio_start_time; 135 unsigned int outbound_do_qdio_cnt; 136 unsigned int outbound_do_qdio_time; 137 unsigned int large_send_bytes; 138 unsigned int large_send_cnt; 139 unsigned int sg_skbs_sent; 140 unsigned int sg_frags_sent; 141 /* initial values when measuring starts */ 142 unsigned long initial_rx_packets; 143 unsigned long initial_tx_packets; 144 /* inbound scatter gather data */ 145 unsigned int sg_skbs_rx; 146 unsigned int sg_frags_rx; 147 unsigned int sg_alloc_page_rx; 148 unsigned int tx_csum; 149 unsigned int tx_lin; 150 }; 151 152 /* Routing stuff */ 153 struct qeth_routing_info { 154 enum qeth_routing_types type; 155 }; 156 157 /* IPA stuff */ 158 struct qeth_ipa_info { 159 __u32 supported_funcs; 160 __u32 enabled_funcs; 161 }; 162 163 static inline int qeth_is_ipa_supported(struct qeth_ipa_info *ipa, 164 enum qeth_ipa_funcs func) 165 { 166 return (ipa->supported_funcs & func); 167 } 168 169 static inline int qeth_is_ipa_enabled(struct qeth_ipa_info *ipa, 170 enum qeth_ipa_funcs func) 171 { 172 return (ipa->supported_funcs & ipa->enabled_funcs & func); 173 } 174 175 #define qeth_adp_supported(c, f) \ 176 qeth_is_ipa_supported(&c->options.adp, f) 177 #define qeth_adp_enabled(c, f) \ 178 qeth_is_ipa_enabled(&c->options.adp, f) 179 #define qeth_is_supported(c, f) \ 180 qeth_is_ipa_supported(&c->options.ipa4, f) 181 #define qeth_is_enabled(c, f) \ 182 qeth_is_ipa_enabled(&c->options.ipa4, f) 183 #define qeth_is_supported6(c, f) \ 184 qeth_is_ipa_supported(&c->options.ipa6, f) 185 #define qeth_is_enabled6(c, f) \ 186 qeth_is_ipa_enabled(&c->options.ipa6, f) 187 #define qeth_is_ipafunc_supported(c, prot, f) \ 188 ((prot == QETH_PROT_IPV6) ? \ 189 qeth_is_supported6(c, f) : qeth_is_supported(c, f)) 190 #define qeth_is_ipafunc_enabled(c, prot, f) \ 191 ((prot == QETH_PROT_IPV6) ? \ 192 qeth_is_enabled6(c, f) : qeth_is_enabled(c, f)) 193 194 #define QETH_IDX_FUNC_LEVEL_OSD 0x0101 195 #define QETH_IDX_FUNC_LEVEL_IQD 0x4108 196 197 #define QETH_MODELLIST_ARRAY \ 198 {{0x1731, 0x01, 0x1732, QETH_CARD_TYPE_OSD, QETH_MAX_QUEUES, 0}, \ 199 {0x1731, 0x05, 0x1732, QETH_CARD_TYPE_IQD, QETH_MAX_QUEUES, 0x103}, \ 200 {0x1731, 0x06, 0x1732, QETH_CARD_TYPE_OSN, QETH_MAX_QUEUES, 0}, \ 201 {0x1731, 0x02, 0x1732, QETH_CARD_TYPE_OSM, QETH_MAX_QUEUES, 0}, \ 202 {0x1731, 0x02, 0x1732, QETH_CARD_TYPE_OSX, QETH_MAX_QUEUES, 0}, \ 203 {0, 0, 0, 0, 0, 0} } 204 #define QETH_CU_TYPE_IND 0 205 #define QETH_CU_MODEL_IND 1 206 #define QETH_DEV_TYPE_IND 2 207 #define QETH_DEV_MODEL_IND 3 208 #define QETH_QUEUE_NO_IND 4 209 #define QETH_MULTICAST_IND 5 210 211 #define QETH_REAL_CARD 1 212 #define QETH_VLAN_CARD 2 213 #define QETH_BUFSIZE 4096 214 215 /** 216 * some more defs 217 */ 218 #define QETH_TX_TIMEOUT 100 * HZ 219 #define QETH_RCD_TIMEOUT 60 * HZ 220 #define QETH_RECLAIM_WORK_TIME HZ 221 #define QETH_HEADER_SIZE 32 222 #define QETH_MAX_PORTNO 15 223 224 /*IPv6 address autoconfiguration stuff*/ 225 #define UNIQUE_ID_IF_CREATE_ADDR_FAILED 0xfffe 226 #define UNIQUE_ID_NOT_BY_CARD 0x10000 227 228 /*****************************************************************************/ 229 /* QDIO queue and buffer handling */ 230 /*****************************************************************************/ 231 #define QETH_MAX_QUEUES 4 232 #define QETH_IN_BUF_SIZE_DEFAULT 65536 233 #define QETH_IN_BUF_COUNT_DEFAULT 64 234 #define QETH_IN_BUF_COUNT_HSDEFAULT 128 235 #define QETH_IN_BUF_COUNT_MIN 8 236 #define QETH_IN_BUF_COUNT_MAX 128 237 #define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12) 238 #define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \ 239 ((card)->ssqd.qdioac1 & AC1_SIGA_INPUT_NEEDED ? 1 : \ 240 ((card)->qdio.in_buf_pool.buf_count / 2)) 241 242 /* buffers we have to be behind before we get a PCI */ 243 #define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1) 244 /*enqueued free buffers left before we get a PCI*/ 245 #define QETH_PCI_THRESHOLD_B(card) 0 246 /*not used unless the microcode gets patched*/ 247 #define QETH_PCI_TIMER_VALUE(card) 3 248 249 /* priority queing */ 250 #define QETH_PRIOQ_DEFAULT QETH_NO_PRIO_QUEUEING 251 #define QETH_DEFAULT_QUEUE 2 252 #define QETH_NO_PRIO_QUEUEING 0 253 #define QETH_PRIO_Q_ING_PREC 1 254 #define QETH_PRIO_Q_ING_TOS 2 255 #define IP_TOS_LOWDELAY 0x10 256 #define IP_TOS_HIGHTHROUGHPUT 0x08 257 #define IP_TOS_HIGHRELIABILITY 0x04 258 #define IP_TOS_NOTIMPORTANT 0x02 259 260 /* Packing */ 261 #define QETH_LOW_WATERMARK_PACK 2 262 #define QETH_HIGH_WATERMARK_PACK 5 263 #define QETH_WATERMARK_PACK_FUZZ 1 264 265 #define QETH_IP_HEADER_SIZE 40 266 267 /* large receive scatter gather copy break */ 268 #define QETH_RX_SG_CB (PAGE_SIZE >> 1) 269 #define QETH_RX_PULL_LEN 256 270 271 struct qeth_hdr_layer3 { 272 __u8 id; 273 __u8 flags; 274 __u16 inbound_checksum; /*TSO:__u16 seqno */ 275 __u32 token; /*TSO: __u32 reserved */ 276 __u16 length; 277 __u8 vlan_prio; 278 __u8 ext_flags; 279 __u16 vlan_id; 280 __u16 frame_offset; 281 __u8 dest_addr[16]; 282 } __attribute__ ((packed)); 283 284 struct qeth_hdr_layer2 { 285 __u8 id; 286 __u8 flags[3]; 287 __u8 port_no; 288 __u8 hdr_length; 289 __u16 pkt_length; 290 __u16 seq_no; 291 __u16 vlan_id; 292 __u32 reserved; 293 __u8 reserved2[16]; 294 } __attribute__ ((packed)); 295 296 struct qeth_hdr_osn { 297 __u8 id; 298 __u8 reserved; 299 __u16 seq_no; 300 __u16 reserved2; 301 __u16 control_flags; 302 __u16 pdu_length; 303 __u8 reserved3[18]; 304 __u32 ccid; 305 } __attribute__ ((packed)); 306 307 struct qeth_hdr { 308 union { 309 struct qeth_hdr_layer2 l2; 310 struct qeth_hdr_layer3 l3; 311 struct qeth_hdr_osn osn; 312 } hdr; 313 } __attribute__ ((packed)); 314 315 /*TCP Segmentation Offload header*/ 316 struct qeth_hdr_ext_tso { 317 __u16 hdr_tot_len; 318 __u8 imb_hdr_no; 319 __u8 reserved; 320 __u8 hdr_type; 321 __u8 hdr_version; 322 __u16 hdr_len; 323 __u32 payload_len; 324 __u16 mss; 325 __u16 dg_hdr_len; 326 __u8 padding[16]; 327 } __attribute__ ((packed)); 328 329 struct qeth_hdr_tso { 330 struct qeth_hdr hdr; /*hdr->hdr.l3.xxx*/ 331 struct qeth_hdr_ext_tso ext; 332 } __attribute__ ((packed)); 333 334 335 /* flags for qeth_hdr.flags */ 336 #define QETH_HDR_PASSTHRU 0x10 337 #define QETH_HDR_IPV6 0x80 338 #define QETH_HDR_CAST_MASK 0x07 339 enum qeth_cast_flags { 340 QETH_CAST_UNICAST = 0x06, 341 QETH_CAST_MULTICAST = 0x04, 342 QETH_CAST_BROADCAST = 0x05, 343 QETH_CAST_ANYCAST = 0x07, 344 QETH_CAST_NOCAST = 0x00, 345 }; 346 347 enum qeth_layer2_frame_flags { 348 QETH_LAYER2_FLAG_MULTICAST = 0x01, 349 QETH_LAYER2_FLAG_BROADCAST = 0x02, 350 QETH_LAYER2_FLAG_UNICAST = 0x04, 351 QETH_LAYER2_FLAG_VLAN = 0x10, 352 }; 353 354 enum qeth_header_ids { 355 QETH_HEADER_TYPE_LAYER3 = 0x01, 356 QETH_HEADER_TYPE_LAYER2 = 0x02, 357 QETH_HEADER_TYPE_TSO = 0x03, 358 QETH_HEADER_TYPE_OSN = 0x04, 359 }; 360 /* flags for qeth_hdr.ext_flags */ 361 #define QETH_HDR_EXT_VLAN_FRAME 0x01 362 #define QETH_HDR_EXT_TOKEN_ID 0x02 363 #define QETH_HDR_EXT_INCLUDE_VLAN_TAG 0x04 364 #define QETH_HDR_EXT_SRC_MAC_ADDR 0x08 365 #define QETH_HDR_EXT_CSUM_HDR_REQ 0x10 366 #define QETH_HDR_EXT_CSUM_TRANSP_REQ 0x20 367 #define QETH_HDR_EXT_UDP 0x40 /*bit off for TCP*/ 368 369 static inline int qeth_is_last_sbale(struct qdio_buffer_element *sbale) 370 { 371 return (sbale->eflags & SBAL_EFLAGS_LAST_ENTRY); 372 } 373 374 enum qeth_qdio_buffer_states { 375 /* 376 * inbound: read out by driver; owned by hardware in order to be filled 377 * outbound: owned by driver in order to be filled 378 */ 379 QETH_QDIO_BUF_EMPTY, 380 /* 381 * inbound: filled by hardware; owned by driver in order to be read out 382 * outbound: filled by driver; owned by hardware in order to be sent 383 */ 384 QETH_QDIO_BUF_PRIMED, 385 /* 386 * inbound: not applicable 387 * outbound: identified to be pending in TPQ 388 */ 389 QETH_QDIO_BUF_PENDING, 390 /* 391 * inbound: not applicable 392 * outbound: found in completion queue 393 */ 394 QETH_QDIO_BUF_IN_CQ, 395 /* 396 * inbound: not applicable 397 * outbound: handled via transfer pending / completion queue 398 */ 399 QETH_QDIO_BUF_HANDLED_DELAYED, 400 }; 401 402 enum qeth_qdio_info_states { 403 QETH_QDIO_UNINITIALIZED, 404 QETH_QDIO_ALLOCATED, 405 QETH_QDIO_ESTABLISHED, 406 QETH_QDIO_CLEANING 407 }; 408 409 struct qeth_buffer_pool_entry { 410 struct list_head list; 411 struct list_head init_list; 412 void *elements[QDIO_MAX_ELEMENTS_PER_BUFFER]; 413 }; 414 415 struct qeth_qdio_buffer_pool { 416 struct list_head entry_list; 417 int buf_count; 418 }; 419 420 struct qeth_qdio_buffer { 421 struct qdio_buffer *buffer; 422 /* the buffer pool entry currently associated to this buffer */ 423 struct qeth_buffer_pool_entry *pool_entry; 424 struct sk_buff *rx_skb; 425 }; 426 427 struct qeth_qdio_q { 428 struct qdio_buffer qdio_bufs[QDIO_MAX_BUFFERS_PER_Q]; 429 struct qeth_qdio_buffer bufs[QDIO_MAX_BUFFERS_PER_Q]; 430 int next_buf_to_init; 431 } __attribute__ ((aligned(256))); 432 433 struct qeth_qdio_out_buffer { 434 struct qdio_buffer *buffer; 435 atomic_t state; 436 int next_element_to_fill; 437 struct sk_buff_head skb_list; 438 int is_header[16]; 439 440 struct qaob *aob; 441 struct qeth_qdio_out_q *q; 442 struct qeth_qdio_out_buffer *next_pending; 443 }; 444 445 struct qeth_card; 446 447 enum qeth_out_q_states { 448 QETH_OUT_Q_UNLOCKED, 449 QETH_OUT_Q_LOCKED, 450 QETH_OUT_Q_LOCKED_FLUSH, 451 }; 452 453 struct qeth_qdio_out_q { 454 struct qdio_buffer qdio_bufs[QDIO_MAX_BUFFERS_PER_Q]; 455 struct qeth_qdio_out_buffer *bufs[QDIO_MAX_BUFFERS_PER_Q]; 456 struct qdio_outbuf_state *bufstates; /* convenience pointer */ 457 int queue_no; 458 struct qeth_card *card; 459 atomic_t state; 460 int do_pack; 461 /* 462 * index of buffer to be filled by driver; state EMPTY or PACKING 463 */ 464 int next_buf_to_fill; 465 /* 466 * number of buffers that are currently filled (PRIMED) 467 * -> these buffers are hardware-owned 468 */ 469 atomic_t used_buffers; 470 /* indicates whether PCI flag must be set (or if one is outstanding) */ 471 atomic_t set_pci_flags_count; 472 } __attribute__ ((aligned(256))); 473 474 struct qeth_qdio_info { 475 atomic_t state; 476 /* input */ 477 int no_in_queues; 478 struct qeth_qdio_q *in_q; 479 struct qeth_qdio_q *c_q; 480 struct qeth_qdio_buffer_pool in_buf_pool; 481 struct qeth_qdio_buffer_pool init_pool; 482 int in_buf_size; 483 484 /* output */ 485 int no_out_queues; 486 struct qeth_qdio_out_q **out_qs; 487 struct qdio_outbuf_state *out_bufstates; 488 489 /* priority queueing */ 490 int do_prio_queueing; 491 int default_out_queue; 492 }; 493 494 enum qeth_send_errors { 495 QETH_SEND_ERROR_NONE, 496 QETH_SEND_ERROR_LINK_FAILURE, 497 QETH_SEND_ERROR_RETRY, 498 QETH_SEND_ERROR_KICK_IT, 499 }; 500 501 #define QETH_ETH_MAC_V4 0x0100 /* like v4 */ 502 #define QETH_ETH_MAC_V6 0x3333 /* like v6 */ 503 /* tr mc mac is longer, but that will be enough to detect mc frames */ 504 #define QETH_TR_MAC_NC 0xc000 /* non-canonical */ 505 #define QETH_TR_MAC_C 0x0300 /* canonical */ 506 507 #define DEFAULT_ADD_HHLEN 0 508 #define MAX_ADD_HHLEN 1024 509 510 /** 511 * buffer stuff for read channel 512 */ 513 #define QETH_CMD_BUFFER_NO 8 514 515 /** 516 * channel state machine 517 */ 518 enum qeth_channel_states { 519 CH_STATE_UP, 520 CH_STATE_DOWN, 521 CH_STATE_ACTIVATING, 522 CH_STATE_HALTED, 523 CH_STATE_STOPPED, 524 CH_STATE_RCD, 525 CH_STATE_RCD_DONE, 526 }; 527 /** 528 * card state machine 529 */ 530 enum qeth_card_states { 531 CARD_STATE_DOWN, 532 CARD_STATE_HARDSETUP, 533 CARD_STATE_SOFTSETUP, 534 CARD_STATE_UP, 535 CARD_STATE_RECOVER, 536 }; 537 538 /** 539 * Protocol versions 540 */ 541 enum qeth_prot_versions { 542 QETH_PROT_IPV4 = 0x0004, 543 QETH_PROT_IPV6 = 0x0006, 544 }; 545 546 enum qeth_ip_types { 547 QETH_IP_TYPE_NORMAL, 548 QETH_IP_TYPE_VIPA, 549 QETH_IP_TYPE_RXIP, 550 QETH_IP_TYPE_DEL_ALL_MC, 551 }; 552 553 enum qeth_cmd_buffer_state { 554 BUF_STATE_FREE, 555 BUF_STATE_LOCKED, 556 BUF_STATE_PROCESSED, 557 }; 558 559 enum qeth_cq { 560 QETH_CQ_DISABLED = 0, 561 QETH_CQ_ENABLED = 1, 562 QETH_CQ_NOTAVAILABLE = 2, 563 }; 564 565 struct qeth_ipato { 566 int enabled; 567 int invert4; 568 int invert6; 569 struct list_head entries; 570 }; 571 572 struct qeth_channel; 573 574 struct qeth_cmd_buffer { 575 enum qeth_cmd_buffer_state state; 576 struct qeth_channel *channel; 577 unsigned char *data; 578 int rc; 579 void (*callback) (struct qeth_channel *, struct qeth_cmd_buffer *); 580 }; 581 582 /** 583 * definition of a qeth channel, used for read and write 584 */ 585 struct qeth_channel { 586 enum qeth_channel_states state; 587 struct ccw1 ccw; 588 spinlock_t iob_lock; 589 wait_queue_head_t wait_q; 590 struct tasklet_struct irq_tasklet; 591 struct ccw_device *ccwdev; 592 /*command buffer for control data*/ 593 struct qeth_cmd_buffer iob[QETH_CMD_BUFFER_NO]; 594 atomic_t irq_pending; 595 int io_buf_no; 596 int buf_no; 597 }; 598 599 /** 600 * OSA card related definitions 601 */ 602 struct qeth_token { 603 __u32 issuer_rm_w; 604 __u32 issuer_rm_r; 605 __u32 cm_filter_w; 606 __u32 cm_filter_r; 607 __u32 cm_connection_w; 608 __u32 cm_connection_r; 609 __u32 ulp_filter_w; 610 __u32 ulp_filter_r; 611 __u32 ulp_connection_w; 612 __u32 ulp_connection_r; 613 }; 614 615 struct qeth_seqno { 616 __u32 trans_hdr; 617 __u32 pdu_hdr; 618 __u32 pdu_hdr_ack; 619 __u16 ipa; 620 __u32 pkt_seqno; 621 }; 622 623 struct qeth_reply { 624 struct list_head list; 625 wait_queue_head_t wait_q; 626 int (*callback)(struct qeth_card *, struct qeth_reply *, 627 unsigned long); 628 u32 seqno; 629 unsigned long offset; 630 atomic_t received; 631 int rc; 632 void *param; 633 struct qeth_card *card; 634 atomic_t refcnt; 635 }; 636 637 638 struct qeth_card_blkt { 639 int time_total; 640 int inter_packet; 641 int inter_packet_jumbo; 642 }; 643 644 #define QETH_BROADCAST_WITH_ECHO 0x01 645 #define QETH_BROADCAST_WITHOUT_ECHO 0x02 646 #define QETH_LAYER2_MAC_READ 0x01 647 #define QETH_LAYER2_MAC_REGISTERED 0x02 648 struct qeth_card_info { 649 unsigned short unit_addr2; 650 unsigned short cula; 651 unsigned short chpid; 652 __u16 func_level; 653 char mcl_level[QETH_MCL_LENGTH + 1]; 654 int guestlan; 655 int mac_bits; 656 int portname_required; 657 int portno; 658 char portname[9]; 659 enum qeth_card_types type; 660 enum qeth_link_types link_type; 661 int is_multicast_different; 662 int initial_mtu; 663 int max_mtu; 664 int broadcast_capable; 665 int unique_id; 666 struct qeth_card_blkt blkt; 667 __u32 csum_mask; 668 __u32 tx_csum_mask; 669 enum qeth_ipa_promisc_modes promisc_mode; 670 __u32 diagass_support; 671 __u32 hwtrap; 672 }; 673 674 struct qeth_card_options { 675 struct qeth_routing_info route4; 676 struct qeth_ipa_info ipa4; 677 struct qeth_ipa_info adp; /*Adapter parameters*/ 678 struct qeth_routing_info route6; 679 struct qeth_ipa_info ipa6; 680 int broadcast_mode; 681 int macaddr_mode; 682 int fake_broadcast; 683 int add_hhlen; 684 int layer2; 685 int performance_stats; 686 int rx_sg_cb; 687 enum qeth_ipa_isolation_modes isolation; 688 int sniffer; 689 enum qeth_cq cq; 690 char hsuid[9]; 691 }; 692 693 /* 694 * thread bits for qeth_card thread masks 695 */ 696 enum qeth_threads { 697 QETH_RECOVER_THREAD = 1, 698 }; 699 700 struct qeth_osn_info { 701 int (*assist_cb)(struct net_device *dev, void *data); 702 int (*data_cb)(struct sk_buff *skb); 703 }; 704 705 enum qeth_discipline_id { 706 QETH_DISCIPLINE_LAYER3 = 0, 707 QETH_DISCIPLINE_LAYER2 = 1, 708 }; 709 710 struct qeth_discipline { 711 void (*start_poll)(struct ccw_device *, int, unsigned long); 712 qdio_handler_t *input_handler; 713 qdio_handler_t *output_handler; 714 int (*recover)(void *ptr); 715 struct ccwgroup_driver *ccwgdriver; 716 }; 717 718 struct qeth_vlan_vid { 719 struct list_head list; 720 unsigned short vid; 721 }; 722 723 struct qeth_mc_mac { 724 struct list_head list; 725 __u8 mc_addr[MAX_ADDR_LEN]; 726 unsigned char mc_addrlen; 727 int is_vmac; 728 }; 729 730 struct qeth_rx { 731 int b_count; 732 int b_index; 733 struct qdio_buffer_element *b_element; 734 int e_offset; 735 int qdio_err; 736 }; 737 738 #define QETH_NAPI_WEIGHT 128 739 740 struct qeth_card { 741 struct list_head list; 742 enum qeth_card_states state; 743 int lan_online; 744 spinlock_t lock; 745 struct ccwgroup_device *gdev; 746 struct qeth_channel read; 747 struct qeth_channel write; 748 struct qeth_channel data; 749 750 struct net_device *dev; 751 struct net_device_stats stats; 752 753 struct qeth_card_info info; 754 struct qeth_token token; 755 struct qeth_seqno seqno; 756 struct qeth_card_options options; 757 758 wait_queue_head_t wait_q; 759 spinlock_t vlanlock; 760 spinlock_t mclock; 761 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; 762 struct list_head vid_list; 763 struct list_head mc_list; 764 struct work_struct kernel_thread_starter; 765 spinlock_t thread_mask_lock; 766 unsigned long thread_start_mask; 767 unsigned long thread_allowed_mask; 768 unsigned long thread_running_mask; 769 spinlock_t ip_lock; 770 struct list_head ip_list; 771 struct list_head *ip_tbd_list; 772 struct qeth_ipato ipato; 773 struct list_head cmd_waiter_list; 774 /* QDIO buffer handling */ 775 struct qeth_qdio_info qdio; 776 struct qeth_perf_stats perf_stats; 777 int read_or_write_problem; 778 struct qeth_osn_info osn_info; 779 struct qeth_discipline discipline; 780 atomic_t force_alloc_skb; 781 struct service_level qeth_service_level; 782 struct qdio_ssqd_desc ssqd; 783 debug_info_t *debug; 784 struct mutex conf_mutex; 785 struct mutex discipline_mutex; 786 struct napi_struct napi; 787 struct qeth_rx rx; 788 struct delayed_work buffer_reclaim_work; 789 int reclaim_index; 790 }; 791 792 struct qeth_card_list_struct { 793 struct list_head list; 794 rwlock_t rwlock; 795 }; 796 797 struct qeth_trap_id { 798 __u16 lparnr; 799 char vmname[8]; 800 __u8 chpid; 801 __u8 ssid; 802 __u16 devno; 803 } __packed; 804 805 /*some helper functions*/ 806 #define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "") 807 808 static inline struct qeth_card *CARD_FROM_CDEV(struct ccw_device *cdev) 809 { 810 struct qeth_card *card = dev_get_drvdata(&((struct ccwgroup_device *) 811 dev_get_drvdata(&cdev->dev))->dev); 812 return card; 813 } 814 815 static inline int qeth_get_micros(void) 816 { 817 return (int) (get_clock() >> 12); 818 } 819 820 static inline int qeth_get_ip_version(struct sk_buff *skb) 821 { 822 struct ethhdr *ehdr = (struct ethhdr *)skb->data; 823 switch (ehdr->h_proto) { 824 case ETH_P_IPV6: 825 return 6; 826 case ETH_P_IP: 827 return 4; 828 default: 829 return 0; 830 } 831 } 832 833 static inline void qeth_put_buffer_pool_entry(struct qeth_card *card, 834 struct qeth_buffer_pool_entry *entry) 835 { 836 list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list); 837 } 838 839 static inline int qeth_is_diagass_supported(struct qeth_card *card, 840 enum qeth_diags_cmds cmd) 841 { 842 return card->info.diagass_support & (__u32)cmd; 843 } 844 845 extern struct ccwgroup_driver qeth_l2_ccwgroup_driver; 846 extern struct ccwgroup_driver qeth_l3_ccwgroup_driver; 847 const char *qeth_get_cardname_short(struct qeth_card *); 848 int qeth_realloc_buffer_pool(struct qeth_card *, int); 849 int qeth_core_load_discipline(struct qeth_card *, enum qeth_discipline_id); 850 void qeth_core_free_discipline(struct qeth_card *); 851 int qeth_core_create_device_attributes(struct device *); 852 void qeth_core_remove_device_attributes(struct device *); 853 int qeth_core_create_osn_attributes(struct device *); 854 void qeth_core_remove_osn_attributes(struct device *); 855 void qeth_buffer_reclaim_work(struct work_struct *); 856 857 /* exports for qeth discipline device drivers */ 858 extern struct qeth_card_list_struct qeth_core_card_list; 859 extern struct kmem_cache *qeth_core_header_cache; 860 extern struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS]; 861 862 void qeth_set_allowed_threads(struct qeth_card *, unsigned long , int); 863 int qeth_threads_running(struct qeth_card *, unsigned long); 864 int qeth_wait_for_threads(struct qeth_card *, unsigned long); 865 int qeth_do_run_thread(struct qeth_card *, unsigned long); 866 void qeth_clear_thread_start_bit(struct qeth_card *, unsigned long); 867 void qeth_clear_thread_running_bit(struct qeth_card *, unsigned long); 868 int qeth_core_hardsetup_card(struct qeth_card *); 869 void qeth_print_status_message(struct qeth_card *); 870 int qeth_init_qdio_queues(struct qeth_card *); 871 int qeth_send_startlan(struct qeth_card *); 872 int qeth_send_stoplan(struct qeth_card *); 873 int qeth_send_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, 874 int (*reply_cb) 875 (struct qeth_card *, struct qeth_reply *, unsigned long), 876 void *); 877 struct qeth_cmd_buffer *qeth_get_ipacmd_buffer(struct qeth_card *, 878 enum qeth_ipa_cmds, enum qeth_prot_versions); 879 int qeth_query_setadapterparms(struct qeth_card *); 880 int qeth_check_qdio_errors(struct qeth_card *, struct qdio_buffer *, 881 unsigned int, const char *); 882 void qeth_queue_input_buffer(struct qeth_card *, int); 883 struct sk_buff *qeth_core_get_next_skb(struct qeth_card *, 884 struct qeth_qdio_buffer *, struct qdio_buffer_element **, int *, 885 struct qeth_hdr **); 886 void qeth_schedule_recovery(struct qeth_card *); 887 void qeth_qdio_start_poll(struct ccw_device *, int, unsigned long); 888 void qeth_qdio_input_handler(struct ccw_device *, 889 unsigned int, unsigned int, int, 890 int, unsigned long); 891 void qeth_qdio_output_handler(struct ccw_device *, unsigned int, 892 int, int, int, unsigned long); 893 void qeth_clear_ipacmd_list(struct qeth_card *); 894 int qeth_qdio_clear_card(struct qeth_card *, int); 895 void qeth_clear_working_pool_list(struct qeth_card *); 896 void qeth_clear_cmd_buffers(struct qeth_channel *); 897 void qeth_clear_qdio_buffers(struct qeth_card *); 898 void qeth_setadp_promisc_mode(struct qeth_card *); 899 struct net_device_stats *qeth_get_stats(struct net_device *); 900 int qeth_change_mtu(struct net_device *, int); 901 int qeth_setadpparms_change_macaddr(struct qeth_card *); 902 void qeth_tx_timeout(struct net_device *); 903 void qeth_prepare_control_data(struct qeth_card *, int, 904 struct qeth_cmd_buffer *); 905 void qeth_release_buffer(struct qeth_channel *, struct qeth_cmd_buffer *); 906 void qeth_prepare_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, char); 907 struct qeth_cmd_buffer *qeth_wait_for_buffer(struct qeth_channel *); 908 int qeth_mdio_read(struct net_device *, int, int); 909 int qeth_snmp_command(struct qeth_card *, char __user *); 910 struct qeth_cmd_buffer *qeth_get_adapter_cmd(struct qeth_card *, __u32, __u32); 911 int qeth_default_setadapterparms_cb(struct qeth_card *, struct qeth_reply *, 912 unsigned long); 913 int qeth_send_control_data(struct qeth_card *, int, struct qeth_cmd_buffer *, 914 int (*reply_cb)(struct qeth_card *, struct qeth_reply*, unsigned long), 915 void *reply_param); 916 int qeth_get_priority_queue(struct qeth_card *, struct sk_buff *, int, int); 917 int qeth_get_elements_no(struct qeth_card *, void *, struct sk_buff *, int); 918 int qeth_do_send_packet_fast(struct qeth_card *, struct qeth_qdio_out_q *, 919 struct sk_buff *, struct qeth_hdr *, int, int, int); 920 int qeth_do_send_packet(struct qeth_card *, struct qeth_qdio_out_q *, 921 struct sk_buff *, struct qeth_hdr *, int); 922 int qeth_core_get_sset_count(struct net_device *, int); 923 void qeth_core_get_ethtool_stats(struct net_device *, 924 struct ethtool_stats *, u64 *); 925 void qeth_core_get_strings(struct net_device *, u32, u8 *); 926 void qeth_core_get_drvinfo(struct net_device *, struct ethtool_drvinfo *); 927 void qeth_dbf_longtext(debug_info_t *id, int level, char *text, ...); 928 int qeth_core_ethtool_get_settings(struct net_device *, struct ethtool_cmd *); 929 int qeth_set_access_ctrl_online(struct qeth_card *card); 930 int qeth_hdr_chk_and_bounce(struct sk_buff *, int); 931 int qeth_configure_cq(struct qeth_card *, enum qeth_cq); 932 int qeth_hw_trap(struct qeth_card *, enum qeth_diags_trap_action); 933 int qeth_query_ipassists(struct qeth_card *, enum qeth_prot_versions prot); 934 935 /* exports for OSN */ 936 int qeth_osn_assist(struct net_device *, void *, int); 937 int qeth_osn_register(unsigned char *read_dev_no, struct net_device **, 938 int (*assist_cb)(struct net_device *, void *), 939 int (*data_cb)(struct sk_buff *)); 940 void qeth_osn_deregister(struct net_device *); 941 942 #endif /* __QETH_CORE_H__ */ 943