1 /* 2 * CDDL HEADER START 3 * 4 * Copyright(c) 2007-2009 Intel Corporation. All rights reserved. 5 * The contents of this file are subject to the terms of the 6 * Common Development and Distribution License (the "License"). 7 * You may not use this file except in compliance with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 23 /* 24 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 25 * Use is subject to license terms. 26 */ 27 28 #ifndef _IXGBE_SW_H 29 #define _IXGBE_SW_H 30 31 #ifdef __cplusplus 32 extern "C" { 33 #endif 34 35 #include <sys/types.h> 36 #include <sys/conf.h> 37 #include <sys/debug.h> 38 #include <sys/stropts.h> 39 #include <sys/stream.h> 40 #include <sys/strsun.h> 41 #include <sys/strlog.h> 42 #include <sys/kmem.h> 43 #include <sys/stat.h> 44 #include <sys/kstat.h> 45 #include <sys/modctl.h> 46 #include <sys/errno.h> 47 #include <sys/dlpi.h> 48 #include <sys/mac_provider.h> 49 #include <sys/mac_ether.h> 50 #include <sys/vlan.h> 51 #include <sys/ddi.h> 52 #include <sys/sunddi.h> 53 #include <sys/pci.h> 54 #include <sys/pcie.h> 55 #include <sys/sdt.h> 56 #include <sys/ethernet.h> 57 #include <sys/pattr.h> 58 #include <sys/strsubr.h> 59 #include <sys/netlb.h> 60 #include <sys/random.h> 61 #include <inet/common.h> 62 #include <inet/tcp.h> 63 #include <inet/ip.h> 64 #include <inet/mi.h> 65 #include <inet/nd.h> 66 #include <sys/bitmap.h> 67 #include <sys/ddifm.h> 68 #include <sys/fm/protocol.h> 69 #include <sys/fm/util.h> 70 #include <sys/fm/io/ddi.h> 71 #include "ixgbe_api.h" 72 73 #define MODULE_NAME "ixgbe" /* module name */ 74 75 #define IXGBE_FAILURE DDI_FAILURE 76 77 #define IXGBE_UNKNOWN 0x00 78 #define IXGBE_INITIALIZED 0x01 79 #define IXGBE_STARTED 0x02 80 #define IXGBE_SUSPENDED 0x04 81 82 #define MAX_NUM_UNICAST_ADDRESSES 0x10 83 #define MAX_NUM_MULTICAST_ADDRESSES 0x1000 84 #define IXGBE_INTR_NONE 0 85 #define IXGBE_INTR_MSIX 1 86 #define IXGBE_INTR_MSI 2 87 #define IXGBE_INTR_LEGACY 3 88 89 #define IXGBE_POLL_NULL -1 90 91 #define MAX_COOKIE 18 92 #define MIN_NUM_TX_DESC 2 93 94 #define IXGBE_TX_DESC_LIMIT 32 /* tx desc limitation */ 95 96 #define IXGBE_ADAPTER_REGSET 1 /* map adapter registers */ 97 98 /* 99 * MAX_xx_QUEUE_NUM and MAX_INTR_VECTOR values need to be the maximum of all 100 * supported silicon types. 101 */ 102 #define MAX_TX_QUEUE_NUM 128 103 #define MAX_RX_QUEUE_NUM 128 104 #define MAX_INTR_VECTOR 64 105 106 /* 107 * Maximum values for user configurable parameters 108 */ 109 #define MAX_RX_GROUP_NUM 1 110 #define MAX_TX_RING_SIZE 4096 111 #define MAX_RX_RING_SIZE 4096 112 113 #define MAX_MTU 16366 114 #define MAX_RX_LIMIT_PER_INTR 4096 115 #define MAX_INTR_THROTTLING_82598 65535 116 #define MAX_INTR_THROTTLING_82599 0x7FC 117 118 #define MAX_RX_COPY_THRESHOLD 9216 119 #define MAX_TX_COPY_THRESHOLD 9216 120 #define MAX_TX_RECYCLE_THRESHOLD DEFAULT_TX_RING_SIZE 121 #define MAX_TX_OVERLOAD_THRESHOLD DEFAULT_TX_RING_SIZE 122 #define MAX_TX_RESCHED_THRESHOLD DEFAULT_TX_RING_SIZE 123 124 /* 125 * Minimum values for user configurable parameters 126 */ 127 #define MIN_RX_GROUP_NUM 1 128 #define MIN_TX_RING_SIZE 64 129 #define MIN_RX_RING_SIZE 64 130 131 #define MIN_MTU ETHERMIN 132 #define MIN_RX_LIMIT_PER_INTR 16 133 #define MIN_INTR_THROTTLING 0 134 #define MIN_TX_COPY_THRESHOLD 0 135 #define MIN_RX_COPY_THRESHOLD 0 136 #define MIN_TX_RECYCLE_THRESHOLD MIN_NUM_TX_DESC 137 #define MIN_TX_OVERLOAD_THRESHOLD MIN_NUM_TX_DESC 138 #define MIN_TX_RESCHED_THRESHOLD MIN_NUM_TX_DESC 139 140 /* 141 * Default values for user configurable parameters 142 */ 143 #define DEFAULT_RX_GROUP_NUM 1 144 #define DEFAULT_TX_RING_SIZE 1024 145 #define DEFAULT_RX_RING_SIZE 1024 146 147 #define DEFAULT_MTU ETHERMTU 148 #define DEFAULT_RX_LIMIT_PER_INTR 256 149 #define DEFAULT_INTR_THROTTLING_82598 200 /* In unit of 256 nsec */ 150 #define DEFAULT_INTR_THROTTLING_82599 26 /* In unit of 2 usec */ 151 #define DEFAULT_RX_COPY_THRESHOLD 128 152 #define DEFAULT_TX_COPY_THRESHOLD 512 153 #define DEFAULT_TX_RECYCLE_THRESHOLD (MAX_COOKIE + 1) 154 #define DEFAULT_TX_OVERLOAD_THRESHOLD MIN_NUM_TX_DESC 155 #define DEFAULT_TX_RESCHED_THRESHOLD 128 156 #define DEFAULT_FCRTH 0x20000 157 #define DEFAULT_FCRTL 0x10000 158 #define DEFAULT_FCPAUSE 0xFFFF 159 160 #define DEFAULT_TX_HCKSUM_ENABLE B_TRUE 161 #define DEFAULT_RX_HCKSUM_ENABLE B_TRUE 162 #define DEFAULT_LSO_ENABLE B_TRUE 163 #define DEFAULT_MR_ENABLE B_TRUE 164 #define DEFAULT_TX_HEAD_WB_ENABLE B_TRUE 165 166 #define IXGBE_LSO_MAXLEN 65535 167 168 #define TX_DRAIN_TIME 200 169 #define RX_DRAIN_TIME 200 170 171 #define STALL_WATCHDOG_TIMEOUT 8 /* 8 seconds */ 172 #define MAX_LINK_DOWN_TIMEOUT 8 /* 8 seconds */ 173 174 /* 175 * Extra register bit masks for 82598 176 */ 177 #define IXGBE_PCS1GANA_FDC 0x20 178 #define IXGBE_PCS1GANLP_LPFD 0x20 179 #define IXGBE_PCS1GANLP_LPHD 0x40 180 181 /* 182 * Defined for IP header alignment. 183 */ 184 #define IPHDR_ALIGN_ROOM 2 185 186 /* 187 * Bit flags for attach_progress 188 */ 189 #define ATTACH_PROGRESS_PCI_CONFIG 0x0001 /* PCI config setup */ 190 #define ATTACH_PROGRESS_REGS_MAP 0x0002 /* Registers mapped */ 191 #define ATTACH_PROGRESS_PROPS 0x0004 /* Properties initialized */ 192 #define ATTACH_PROGRESS_ALLOC_INTR 0x0008 /* Interrupts allocated */ 193 #define ATTACH_PROGRESS_ALLOC_RINGS 0x0010 /* Rings allocated */ 194 #define ATTACH_PROGRESS_ADD_INTR 0x0020 /* Intr handlers added */ 195 #define ATTACH_PROGRESS_LOCKS 0x0040 /* Locks initialized */ 196 #define ATTACH_PROGRESS_INIT 0x0080 /* Device initialized */ 197 #define ATTACH_PROGRESS_INIT_RINGS 0x0100 /* Rings initialized */ 198 #define ATTACH_PROGRESS_STATS 0x0200 /* Kstats created */ 199 #define ATTACH_PROGRESS_NDD 0x0400 /* NDD initialized */ 200 #define ATTACH_PROGRESS_MAC 0x0800 /* MAC registered */ 201 #define ATTACH_PROGRESS_ENABLE_INTR 0x1000 /* DDI interrupts enabled */ 202 #define ATTACH_PROGRESS_FM_INIT 0x2000 /* FMA initialized */ 203 #define ATTACH_PROGRESS_LSC_TASKQ 0x4000 /* LSC taskq created */ 204 205 #define PROP_DEFAULT_MTU "default_mtu" 206 #define PROP_FLOW_CONTROL "flow_control" 207 #define PROP_TX_QUEUE_NUM "tx_queue_number" 208 #define PROP_TX_RING_SIZE "tx_ring_size" 209 #define PROP_RX_QUEUE_NUM "rx_queue_number" 210 #define PROP_RX_RING_SIZE "rx_ring_size" 211 #define PROP_RX_GROUP_NUM "rx_group_number" 212 213 #define PROP_INTR_FORCE "intr_force" 214 #define PROP_TX_HCKSUM_ENABLE "tx_hcksum_enable" 215 #define PROP_RX_HCKSUM_ENABLE "rx_hcksum_enable" 216 #define PROP_LSO_ENABLE "lso_enable" 217 #define PROP_MR_ENABLE "mr_enable" 218 #define PROP_TX_HEAD_WB_ENABLE "tx_head_wb_enable" 219 #define PROP_TX_COPY_THRESHOLD "tx_copy_threshold" 220 #define PROP_TX_RECYCLE_THRESHOLD "tx_recycle_threshold" 221 #define PROP_TX_OVERLOAD_THRESHOLD "tx_overload_threshold" 222 #define PROP_TX_RESCHED_THRESHOLD "tx_resched_threshold" 223 #define PROP_RX_COPY_THRESHOLD "rx_copy_threshold" 224 #define PROP_RX_LIMIT_PER_INTR "rx_limit_per_intr" 225 #define PROP_INTR_THROTTLING "intr_throttling" 226 #define PROP_FM_CAPABLE "fm_capable" 227 228 #define IXGBE_LB_NONE 0 229 #define IXGBE_LB_EXTERNAL 1 230 #define IXGBE_LB_INTERNAL_MAC 2 231 #define IXGBE_LB_INTERNAL_PHY 3 232 #define IXGBE_LB_INTERNAL_SERDES 4 233 234 /* 235 * capability/feature flags 236 * Flags named _CAPABLE are set when the NIC hardware is capable of the feature. 237 * Separately, the flag named _ENABLED is set when the feature is enabled. 238 */ 239 #define IXGBE_FLAG_DCA_ENABLED (u32)(1) 240 #define IXGBE_FLAG_DCA_CAPABLE (u32)(1 << 1) 241 #define IXGBE_FLAG_DCB_ENABLED (u32)(1 << 2) 242 #define IXGBE_FLAG_DCB_CAPABLE (u32)(1 << 4) 243 #define IXGBE_FLAG_RSS_ENABLED (u32)(1 << 4) 244 #define IXGBE_FLAG_RSS_CAPABLE (u32)(1 << 5) 245 #define IXGBE_FLAG_VMDQ_CAPABLE (u32)(1 << 6) 246 #define IXGBE_FLAG_VMDQ_ENABLED (u32)(1 << 7) 247 #define IXGBE_FLAG_FAN_FAIL_CAPABLE (u32)(1 << 8) 248 249 /* adapter-specific info for each supported device type */ 250 typedef struct adapter_info { 251 uint32_t max_rx_que_num; /* maximum number of rx queues */ 252 uint32_t min_rx_que_num; /* minimum number of rx queues */ 253 uint32_t def_rx_que_num; /* default number of rx queues */ 254 uint32_t max_tx_que_num; /* maximum number of tx queues */ 255 uint32_t min_tx_que_num; /* minimum number of tx queues */ 256 uint32_t def_tx_que_num; /* default number of tx queues */ 257 uint32_t max_msix_vect; /* maximum total msix vectors */ 258 uint32_t max_ring_vect; /* maximum number of ring vectors */ 259 uint32_t max_other_vect; /* maximum number of other vectors */ 260 uint32_t other_intr; /* "other" interrupt types handled */ 261 uint32_t flags; /* capability flags */ 262 } adapter_info_t; 263 264 /* bits representing all interrupt types other than tx & rx */ 265 #define IXGBE_OTHER_INTR 0x3ff00000 266 #define IXGBE_82599_OTHER_INTR 0x86100000 267 268 /* 269 * Shorthand for the NDD parameters 270 */ 271 #define param_autoneg_cap nd_params[PARAM_AUTONEG_CAP].val 272 #define param_pause_cap nd_params[PARAM_PAUSE_CAP].val 273 #define param_asym_pause_cap nd_params[PARAM_ASYM_PAUSE_CAP].val 274 #define param_10000fdx_cap nd_params[PARAM_10000FDX_CAP].val 275 #define param_1000fdx_cap nd_params[PARAM_1000FDX_CAP].val 276 #define param_100fdx_cap nd_params[PARAM_1000FDX_CAP].val 277 #define param_rem_fault nd_params[PARAM_REM_FAULT].val 278 279 #define param_adv_autoneg_cap nd_params[PARAM_ADV_AUTONEG_CAP].val 280 #define param_adv_pause_cap nd_params[PARAM_ADV_PAUSE_CAP].val 281 #define param_adv_asym_pause_cap nd_params[PARAM_ADV_ASYM_PAUSE_CAP].val 282 #define param_adv_10000fdx_cap nd_params[PARAM_ADV_10000FDX_CAP].val 283 #define param_adv_1000fdx_cap nd_params[PARAM_ADV_1000FDX_CAP].val 284 #define param_adv_100fdx_cap nd_params[PARAM_ADV_1000FDX_CAP].val 285 #define param_adv_rem_fault nd_params[PARAM_ADV_REM_FAULT].val 286 287 #define param_lp_autoneg_cap nd_params[PARAM_LP_AUTONEG_CAP].val 288 #define param_lp_pause_cap nd_params[PARAM_LP_PAUSE_CAP].val 289 #define param_lp_asym_pause_cap nd_params[PARAM_LP_ASYM_PAUSE_CAP].val 290 #define param_lp_10000fdx_cap nd_params[PARAM_LP_10000FDX_CAP].val 291 #define param_lp_1000fdx_cap nd_params[PARAM_LP_1000FDX_CAP].val 292 #define param_lp_100fdx_cap nd_params[PARAM_LP_1000FDX_CAP].val 293 #define param_lp_rem_fault nd_params[PARAM_LP_REM_FAULT].val 294 295 enum ioc_reply { 296 IOC_INVAL = -1, /* bad, NAK with EINVAL */ 297 IOC_DONE, /* OK, reply sent */ 298 IOC_ACK, /* OK, just send ACK */ 299 IOC_REPLY /* OK, just send reply */ 300 }; 301 302 #define DMA_SYNC(area, flag) ((void) ddi_dma_sync((area)->dma_handle, \ 303 0, 0, (flag))) 304 305 /* 306 * Defined for ring index operations 307 * ASSERT(index < limit) 308 * ASSERT(step < limit) 309 * ASSERT(index1 < limit) 310 * ASSERT(index2 < limit) 311 */ 312 #define NEXT_INDEX(index, step, limit) (((index) + (step)) < (limit) ? \ 313 (index) + (step) : (index) + (step) - (limit)) 314 #define PREV_INDEX(index, step, limit) ((index) >= (step) ? \ 315 (index) - (step) : (index) + (limit) - (step)) 316 #define OFFSET(index1, index2, limit) ((index1) <= (index2) ? \ 317 (index2) - (index1) : (index2) + (limit) - (index1)) 318 319 #define LINK_LIST_INIT(_LH) \ 320 (_LH)->head = (_LH)->tail = NULL 321 322 #define LIST_GET_HEAD(_LH) ((single_link_t *)((_LH)->head)) 323 324 #define LIST_POP_HEAD(_LH) \ 325 (single_link_t *)(_LH)->head; \ 326 { \ 327 if ((_LH)->head != NULL) { \ 328 (_LH)->head = (_LH)->head->link; \ 329 if ((_LH)->head == NULL) \ 330 (_LH)->tail = NULL; \ 331 } \ 332 } 333 334 #define LIST_GET_TAIL(_LH) ((single_link_t *)((_LH)->tail)) 335 336 #define LIST_PUSH_TAIL(_LH, _E) \ 337 if ((_LH)->tail != NULL) { \ 338 (_LH)->tail->link = (single_link_t *)(_E); \ 339 (_LH)->tail = (single_link_t *)(_E); \ 340 } else { \ 341 (_LH)->head = (_LH)->tail = (single_link_t *)(_E); \ 342 } \ 343 (_E)->link = NULL; 344 345 #define LIST_GET_NEXT(_LH, _E) \ 346 (((_LH)->tail == (single_link_t *)(_E)) ? \ 347 NULL : ((single_link_t *)(_E))->link) 348 349 350 typedef struct single_link { 351 struct single_link *link; 352 } single_link_t; 353 354 typedef struct link_list { 355 single_link_t *head; 356 single_link_t *tail; 357 } link_list_t; 358 359 /* 360 * Property lookups 361 */ 362 #define IXGBE_PROP_EXISTS(d, n) ddi_prop_exists(DDI_DEV_T_ANY, (d), \ 363 DDI_PROP_DONTPASS, (n)) 364 #define IXGBE_PROP_GET_INT(d, n) ddi_prop_get_int(DDI_DEV_T_ANY, (d), \ 365 DDI_PROP_DONTPASS, (n), -1) 366 367 368 /* 369 * Named Data (ND) Parameter Management Structure 370 */ 371 typedef struct { 372 struct ixgbe *private; 373 uint32_t info; 374 uint32_t min; 375 uint32_t max; 376 uint32_t val; 377 char *name; 378 } nd_param_t; 379 380 /* 381 * NDD parameter indexes, divided into: 382 * 383 * read-only parameters describing the hardware's capabilities 384 * read-write parameters controlling the advertised capabilities 385 * read-only parameters describing the partner's capabilities 386 * read-write parameters controlling the force speed and duplex 387 * read-only parameters describing the link state 388 * read-only parameters describing the driver properties 389 * read-write parameters controlling the driver properties 390 */ 391 enum { 392 PARAM_AUTONEG_CAP, 393 PARAM_PAUSE_CAP, 394 PARAM_ASYM_PAUSE_CAP, 395 PARAM_10000FDX_CAP, 396 PARAM_1000FDX_CAP, 397 PARAM_100FDX_CAP, 398 PARAM_REM_FAULT, 399 400 PARAM_ADV_AUTONEG_CAP, 401 PARAM_ADV_PAUSE_CAP, 402 PARAM_ADV_ASYM_PAUSE_CAP, 403 PARAM_ADV_10000FDX_CAP, 404 PARAM_ADV_1000FDX_CAP, 405 PARAM_ADV_100FDX_CAP, 406 PARAM_ADV_REM_FAULT, 407 408 PARAM_LP_AUTONEG_CAP, 409 PARAM_LP_PAUSE_CAP, 410 PARAM_LP_ASYM_PAUSE_CAP, 411 PARAM_LP_10000FDX_CAP, 412 PARAM_LP_1000FDX_CAP, 413 PARAM_LP_100FDX_CAP, 414 PARAM_LP_REM_FAULT, 415 416 PARAM_LINK_STATUS, 417 PARAM_LINK_SPEED, 418 PARAM_LINK_DUPLEX, 419 420 PARAM_COUNT 421 }; 422 423 typedef union ixgbe_ether_addr { 424 struct { 425 uint32_t high; 426 uint32_t low; 427 } reg; 428 struct { 429 uint8_t set; 430 uint8_t redundant; 431 uint8_t addr[ETHERADDRL]; 432 } mac; 433 } ixgbe_ether_addr_t; 434 435 typedef enum { 436 USE_NONE, 437 USE_COPY, 438 USE_DMA 439 } tx_type_t; 440 441 typedef enum { 442 RCB_FREE, 443 RCB_SENDUP 444 } rcb_state_t; 445 446 typedef struct ixgbe_tx_context { 447 uint32_t hcksum_flags; 448 uint32_t ip_hdr_len; 449 uint32_t mac_hdr_len; 450 uint32_t l4_proto; 451 uint32_t mss; 452 uint32_t l4_hdr_len; 453 boolean_t lso_flag; 454 } ixgbe_tx_context_t; 455 456 /* 457 * Hold address/length of each DMA segment 458 */ 459 typedef struct sw_desc { 460 uint64_t address; 461 size_t length; 462 } sw_desc_t; 463 464 /* 465 * Handles and addresses of DMA buffer 466 */ 467 typedef struct dma_buffer { 468 caddr_t address; /* Virtual address */ 469 uint64_t dma_address; /* DMA (Hardware) address */ 470 ddi_acc_handle_t acc_handle; /* Data access handle */ 471 ddi_dma_handle_t dma_handle; /* DMA handle */ 472 size_t size; /* Buffer size */ 473 size_t len; /* Data length in the buffer */ 474 } dma_buffer_t; 475 476 /* 477 * Tx Control Block 478 */ 479 typedef struct tx_control_block { 480 single_link_t link; 481 uint32_t last_index; /* last descriptor of the pkt */ 482 uint32_t frag_num; 483 uint32_t desc_num; 484 mblk_t *mp; 485 tx_type_t tx_type; 486 ddi_dma_handle_t tx_dma_handle; 487 dma_buffer_t tx_buf; 488 sw_desc_t desc[MAX_COOKIE]; 489 } tx_control_block_t; 490 491 /* 492 * RX Control Block 493 */ 494 typedef struct rx_control_block { 495 mblk_t *mp; 496 rcb_state_t state; 497 dma_buffer_t rx_buf; 498 frtn_t free_rtn; 499 struct ixgbe_rx_ring *rx_ring; 500 } rx_control_block_t; 501 502 /* 503 * Software Data Structure for Tx Ring 504 */ 505 typedef struct ixgbe_tx_ring { 506 uint32_t index; /* Ring index */ 507 uint32_t intr_vector; /* Interrupt vector index */ 508 uint32_t vect_bit; /* vector's bit in register */ 509 510 /* 511 * Mutexes 512 */ 513 kmutex_t tx_lock; 514 kmutex_t recycle_lock; 515 kmutex_t tcb_head_lock; 516 kmutex_t tcb_tail_lock; 517 518 /* 519 * Tx descriptor ring definitions 520 */ 521 dma_buffer_t tbd_area; 522 union ixgbe_adv_tx_desc *tbd_ring; 523 uint32_t tbd_head; /* Index of next tbd to recycle */ 524 uint32_t tbd_tail; /* Index of next tbd to transmit */ 525 uint32_t tbd_free; /* Number of free tbd */ 526 527 /* 528 * Tx control block list definitions 529 */ 530 tx_control_block_t *tcb_area; 531 tx_control_block_t **work_list; 532 tx_control_block_t **free_list; 533 uint32_t tcb_head; /* Head index of free list */ 534 uint32_t tcb_tail; /* Tail index of free list */ 535 uint32_t tcb_free; /* Number of free tcb in free list */ 536 537 uint32_t *tbd_head_wb; /* Head write-back */ 538 uint32_t (*tx_recycle)(struct ixgbe_tx_ring *); 539 540 /* 541 * s/w context structure for TCP/UDP checksum offload 542 * and LSO. 543 */ 544 ixgbe_tx_context_t tx_context; 545 546 /* 547 * Tx ring settings and status 548 */ 549 uint32_t ring_size; /* Tx descriptor ring size */ 550 uint32_t free_list_size; /* Tx free list size */ 551 uint32_t copy_thresh; 552 uint32_t recycle_thresh; 553 uint32_t overload_thresh; 554 uint32_t resched_thresh; 555 556 boolean_t reschedule; 557 uint32_t recycle_fail; 558 uint32_t stall_watchdog; 559 560 #ifdef IXGBE_DEBUG 561 /* 562 * Debug statistics 563 */ 564 uint32_t stat_overload; 565 uint32_t stat_fail_no_tbd; 566 uint32_t stat_fail_no_tcb; 567 uint32_t stat_fail_dma_bind; 568 uint32_t stat_reschedule; 569 uint32_t stat_break_tbd_limit; 570 uint32_t stat_lso_header_fail; 571 #endif 572 573 mac_ring_handle_t ring_handle; 574 575 /* 576 * Pointer to the ixgbe struct 577 */ 578 struct ixgbe *ixgbe; 579 } ixgbe_tx_ring_t; 580 581 /* 582 * Software Receive Ring 583 */ 584 typedef struct ixgbe_rx_ring { 585 uint32_t index; /* Ring index */ 586 uint32_t intr_vector; /* Interrupt vector index */ 587 uint32_t vect_bit; /* vector's bit in register */ 588 589 /* 590 * Mutexes 591 */ 592 kmutex_t rx_lock; /* Rx access lock */ 593 kmutex_t recycle_lock; /* Recycle lock, for rcb_tail */ 594 595 /* 596 * Rx descriptor ring definitions 597 */ 598 dma_buffer_t rbd_area; /* DMA buffer of rx desc ring */ 599 union ixgbe_adv_rx_desc *rbd_ring; /* Rx desc ring */ 600 uint32_t rbd_next; /* Index of next rx desc */ 601 602 /* 603 * Rx control block list definitions 604 */ 605 rx_control_block_t *rcb_area; 606 rx_control_block_t **work_list; /* Work list of rcbs */ 607 rx_control_block_t **free_list; /* Free list of rcbs */ 608 uint32_t rcb_head; /* Index of next free rcb */ 609 uint32_t rcb_tail; /* Index to put recycled rcb */ 610 uint32_t rcb_free; /* Number of free rcbs */ 611 612 /* 613 * Rx ring settings and status 614 */ 615 uint32_t ring_size; /* Rx descriptor ring size */ 616 uint32_t free_list_size; /* Rx free list size */ 617 uint32_t limit_per_intr; /* Max packets per interrupt */ 618 uint32_t copy_thresh; 619 620 #ifdef IXGBE_DEBUG 621 /* 622 * Debug statistics 623 */ 624 uint32_t stat_frame_error; 625 uint32_t stat_cksum_error; 626 uint32_t stat_exceed_pkt; 627 #endif 628 629 mac_ring_handle_t ring_handle; 630 uint64_t ring_gen_num; 631 632 struct ixgbe *ixgbe; /* Pointer to ixgbe struct */ 633 } ixgbe_rx_ring_t; 634 635 /* 636 * Software Receive Ring Group 637 */ 638 typedef struct ixgbe_rx_group { 639 uint32_t index; /* Group index */ 640 mac_group_handle_t group_handle; /* call back group handle */ 641 struct ixgbe *ixgbe; /* Pointer to ixgbe struct */ 642 } ixgbe_rx_group_t; 643 644 /* 645 * structure to map interrupt cleanup to msi-x vector 646 */ 647 typedef struct ixgbe_intr_vector { 648 struct ixgbe *ixgbe; /* point to my adapter */ 649 ulong_t rx_map[BT_BITOUL(MAX_RX_QUEUE_NUM)]; /* bitmap of rx rings */ 650 int rxr_cnt; /* count rx rings */ 651 ulong_t tx_map[BT_BITOUL(MAX_TX_QUEUE_NUM)]; /* bitmap of tx rings */ 652 int txr_cnt; /* count tx rings */ 653 ulong_t other_map[BT_BITOUL(2)]; /* bitmap of other */ 654 int other_cnt; /* count other interrupt */ 655 } ixgbe_intr_vector_t; 656 657 /* 658 * Software adapter state 659 */ 660 typedef struct ixgbe { 661 int instance; 662 mac_handle_t mac_hdl; 663 dev_info_t *dip; 664 struct ixgbe_hw hw; 665 struct ixgbe_osdep osdep; 666 667 adapter_info_t *capab; /* adapter hardware capabilities */ 668 ddi_taskq_t *lsc_taskq; /* link-status-change taskq */ 669 uint32_t eims; /* interrupt mask setting */ 670 uint32_t eimc; /* interrupt mask clear */ 671 uint32_t eicr; /* interrupt cause reg */ 672 673 uint32_t ixgbe_state; 674 link_state_t link_state; 675 uint32_t link_speed; 676 uint32_t link_duplex; 677 uint32_t link_down_timeout; 678 679 uint32_t reset_count; 680 uint32_t attach_progress; 681 uint32_t loopback_mode; 682 uint32_t default_mtu; 683 uint32_t max_frame_size; 684 685 /* 686 * Each msi-x vector: map vector to interrupt cleanup 687 */ 688 ixgbe_intr_vector_t vect_map[MAX_INTR_VECTOR]; 689 690 /* 691 * Receive Rings 692 */ 693 ixgbe_rx_ring_t *rx_rings; /* Array of rx rings */ 694 uint32_t num_rx_rings; /* Number of rx rings in use */ 695 uint32_t rx_ring_size; /* Rx descriptor ring size */ 696 uint32_t rx_buf_size; /* Rx buffer size */ 697 698 /* 699 * Receive Groups 700 */ 701 ixgbe_rx_group_t *rx_groups; /* Array of rx groups */ 702 uint32_t num_rx_groups; /* Number of rx groups in use */ 703 704 /* 705 * Transmit Rings 706 */ 707 ixgbe_tx_ring_t *tx_rings; /* Array of tx rings */ 708 uint32_t num_tx_rings; /* Number of tx rings in use */ 709 uint32_t tx_ring_size; /* Tx descriptor ring size */ 710 uint32_t tx_buf_size; /* Tx buffer size */ 711 712 boolean_t tx_head_wb_enable; /* Tx head wrtie-back */ 713 boolean_t tx_hcksum_enable; /* Tx h/w cksum offload */ 714 boolean_t lso_enable; /* Large Segment Offload */ 715 boolean_t mr_enable; /* Multiple Tx and Rx Ring */ 716 uint32_t tx_copy_thresh; /* Tx copy threshold */ 717 uint32_t tx_recycle_thresh; /* Tx recycle threshold */ 718 uint32_t tx_overload_thresh; /* Tx overload threshold */ 719 uint32_t tx_resched_thresh; /* Tx reschedule threshold */ 720 boolean_t rx_hcksum_enable; /* Rx h/w cksum offload */ 721 uint32_t rx_copy_thresh; /* Rx copy threshold */ 722 uint32_t rx_limit_per_intr; /* Rx pkts per interrupt */ 723 uint32_t intr_throttling[MAX_INTR_VECTOR]; 724 uint32_t intr_force; 725 int fm_capabilities; /* FMA capabilities */ 726 727 int intr_type; 728 int intr_cnt; 729 int intr_cap; 730 size_t intr_size; 731 uint_t intr_pri; 732 ddi_intr_handle_t *htable; 733 uint32_t eims_mask; 734 735 kmutex_t gen_lock; /* General lock for device access */ 736 kmutex_t watchdog_lock; 737 738 boolean_t watchdog_enable; 739 boolean_t watchdog_start; 740 timeout_id_t watchdog_tid; 741 742 boolean_t unicst_init; 743 uint32_t unicst_avail; 744 uint32_t unicst_total; 745 ixgbe_ether_addr_t unicst_addr[MAX_NUM_UNICAST_ADDRESSES]; 746 uint32_t mcast_count; 747 struct ether_addr mcast_table[MAX_NUM_MULTICAST_ADDRESSES]; 748 749 ulong_t sys_page_size; 750 751 /* 752 * Kstat definitions 753 */ 754 kstat_t *ixgbe_ks; 755 756 /* 757 * NDD definitions 758 */ 759 caddr_t nd_data; 760 nd_param_t nd_params[PARAM_COUNT]; 761 } ixgbe_t; 762 763 typedef struct ixgbe_stat { 764 kstat_named_t link_speed; /* Link Speed */ 765 766 kstat_named_t reset_count; /* Reset Count */ 767 768 kstat_named_t rx_frame_error; /* Rx Error in Packet */ 769 kstat_named_t rx_cksum_error; /* Rx Checksum Error */ 770 kstat_named_t rx_exceed_pkt; /* Rx Exceed Max Pkt Count */ 771 772 kstat_named_t tx_overload; /* Tx Desc Ring Overload */ 773 kstat_named_t tx_fail_no_tcb; /* Tx Fail Freelist Empty */ 774 kstat_named_t tx_fail_no_tbd; /* Tx Fail Desc Ring Empty */ 775 kstat_named_t tx_fail_dma_bind; /* Tx Fail DMA bind */ 776 kstat_named_t tx_reschedule; /* Tx Reschedule */ 777 778 kstat_named_t gprc; /* Good Packets Received Count */ 779 kstat_named_t gptc; /* Good Packets Xmitted Count */ 780 kstat_named_t gor; /* Good Octets Received Count */ 781 kstat_named_t got; /* Good Octets Xmitd Count */ 782 kstat_named_t prc64; /* Packets Received - 64b */ 783 kstat_named_t prc127; /* Packets Received - 65-127b */ 784 kstat_named_t prc255; /* Packets Received - 127-255b */ 785 kstat_named_t prc511; /* Packets Received - 256-511b */ 786 kstat_named_t prc1023; /* Packets Received - 511-1023b */ 787 kstat_named_t prc1522; /* Packets Received - 1024-1522b */ 788 kstat_named_t ptc64; /* Packets Xmitted (64b) */ 789 kstat_named_t ptc127; /* Packets Xmitted (64-127b) */ 790 kstat_named_t ptc255; /* Packets Xmitted (128-255b) */ 791 kstat_named_t ptc511; /* Packets Xmitted (255-511b) */ 792 kstat_named_t ptc1023; /* Packets Xmitted (512-1023b) */ 793 kstat_named_t ptc1522; /* Packets Xmitted (1024-1522b */ 794 kstat_named_t qprc[16]; /* Queue Packets Received Count */ 795 kstat_named_t qptc[16]; /* Queue Packets Transmitted Count */ 796 kstat_named_t qbrc[16]; /* Queue Bytes Received Count */ 797 kstat_named_t qbtc[16]; /* Queue Bytes Transmitted Count */ 798 799 kstat_named_t crcerrs; /* CRC Error Count */ 800 kstat_named_t illerrc; /* Illegal Byte Error Count */ 801 kstat_named_t errbc; /* Error Byte Count */ 802 kstat_named_t mspdc; /* MAC Short Packet Discard Count */ 803 kstat_named_t mpc; /* Missed Packets Count */ 804 kstat_named_t mlfc; /* MAC Local Fault Count */ 805 kstat_named_t mrfc; /* MAC Remote Fault Count */ 806 kstat_named_t rlec; /* Receive Length Error Count */ 807 kstat_named_t lxontxc; /* Link XON Transmitted Count */ 808 kstat_named_t lxonrxc; /* Link XON Received Count */ 809 kstat_named_t lxofftxc; /* Link XOFF Transmitted Count */ 810 kstat_named_t lxoffrxc; /* Link XOFF Received Count */ 811 kstat_named_t bprc; /* Broadcasts Pkts Received Count */ 812 kstat_named_t mprc; /* Multicast Pkts Received Count */ 813 kstat_named_t rnbc; /* Receive No Buffers Count */ 814 kstat_named_t ruc; /* Receive Undersize Count */ 815 kstat_named_t rfc; /* Receive Frag Count */ 816 kstat_named_t roc; /* Receive Oversize Count */ 817 kstat_named_t rjc; /* Receive Jabber Count */ 818 kstat_named_t tor; /* Total Octets Recvd Count */ 819 kstat_named_t tot; /* Total Octets Xmitted Count */ 820 kstat_named_t tpr; /* Total Packets Received */ 821 kstat_named_t tpt; /* Total Packets Xmitted */ 822 kstat_named_t mptc; /* Multicast Packets Xmited Count */ 823 kstat_named_t bptc; /* Broadcast Packets Xmited Count */ 824 } ixgbe_stat_t; 825 826 /* 827 * Function prototypes in ixgbe_buf.c 828 */ 829 int ixgbe_alloc_dma(ixgbe_t *); 830 void ixgbe_free_dma(ixgbe_t *); 831 void ixgbe_set_fma_flags(int, int); 832 833 /* 834 * Function prototypes in ixgbe_main.c 835 */ 836 int ixgbe_start(ixgbe_t *); 837 void ixgbe_stop(ixgbe_t *); 838 int ixgbe_driver_setup_link(ixgbe_t *, boolean_t); 839 int ixgbe_multicst_add(ixgbe_t *, const uint8_t *); 840 int ixgbe_multicst_remove(ixgbe_t *, const uint8_t *); 841 enum ioc_reply ixgbe_loopback_ioctl(ixgbe_t *, struct iocblk *, mblk_t *); 842 843 void ixgbe_enable_watchdog_timer(ixgbe_t *); 844 void ixgbe_disable_watchdog_timer(ixgbe_t *); 845 int ixgbe_atomic_reserve(uint32_t *, uint32_t); 846 847 int ixgbe_check_acc_handle(ddi_acc_handle_t handle); 848 int ixgbe_check_dma_handle(ddi_dma_handle_t handle); 849 void ixgbe_fm_ereport(ixgbe_t *, char *); 850 851 void ixgbe_fill_ring(void *, mac_ring_type_t, const int, const int, 852 mac_ring_info_t *, mac_ring_handle_t); 853 void ixgbe_fill_group(void *arg, mac_ring_type_t, const int, 854 mac_group_info_t *, mac_group_handle_t); 855 int ixgbe_rx_ring_intr_enable(mac_intr_handle_t); 856 int ixgbe_rx_ring_intr_disable(mac_intr_handle_t); 857 858 /* 859 * Function prototypes in ixgbe_gld.c 860 */ 861 int ixgbe_m_start(void *); 862 void ixgbe_m_stop(void *); 863 int ixgbe_m_promisc(void *, boolean_t); 864 int ixgbe_m_multicst(void *, boolean_t, const uint8_t *); 865 int ixgbe_m_stat(void *, uint_t, uint64_t *); 866 void ixgbe_m_resources(void *); 867 void ixgbe_m_ioctl(void *, queue_t *, mblk_t *); 868 boolean_t ixgbe_m_getcapab(void *, mac_capab_t, void *); 869 870 /* 871 * Function prototypes in ixgbe_rx.c 872 */ 873 mblk_t *ixgbe_ring_rx(ixgbe_rx_ring_t *, int); 874 void ixgbe_rx_recycle(caddr_t arg); 875 mblk_t *ixgbe_ring_rx_poll(void *, int); 876 877 /* 878 * Function prototypes in ixgbe_tx.c 879 */ 880 mblk_t *ixgbe_ring_tx(void *, mblk_t *); 881 void ixgbe_free_tcb(tx_control_block_t *); 882 void ixgbe_put_free_list(ixgbe_tx_ring_t *, link_list_t *); 883 uint32_t ixgbe_tx_recycle_legacy(ixgbe_tx_ring_t *); 884 uint32_t ixgbe_tx_recycle_head_wb(ixgbe_tx_ring_t *); 885 886 /* 887 * Function prototypes in ixgbe_log.c 888 */ 889 void ixgbe_notice(void *, const char *, ...); 890 void ixgbe_log(void *, const char *, ...); 891 void ixgbe_error(void *, const char *, ...); 892 893 /* 894 * Function prototypes in ixgbe_ndd.c 895 */ 896 int ixgbe_nd_init(ixgbe_t *); 897 void ixgbe_nd_cleanup(ixgbe_t *); 898 enum ioc_reply ixgbe_nd_ioctl(ixgbe_t *, queue_t *, mblk_t *, struct iocblk *); 899 900 /* 901 * Function prototypes in ixgbe_stat.c 902 */ 903 int ixgbe_init_stats(ixgbe_t *); 904 905 #ifdef __cplusplus 906 } 907 #endif 908 909 #endif /* _IXGBE_SW_H */ 910