1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright(c) 2007-2010 Intel Corporation. All rights reserved. 24 */ 25 26 /* 27 * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved. 28 * Copyright (c) 2013 Saso Kiselkov. All rights reserved. 29 * Copyright 2016 OmniTI Computer Consulting, Inc. All rights reserved. 30 * Copyright 2019 Joyent, Inc. 31 * Copyright 2020 Oxide Computer Company 32 */ 33 34 #ifndef _IXGBE_SW_H 35 #define _IXGBE_SW_H 36 37 #ifdef __cplusplus 38 extern "C" { 39 #endif 40 41 #include <sys/types.h> 42 #include <sys/conf.h> 43 #include <sys/debug.h> 44 #include <sys/stropts.h> 45 #include <sys/stream.h> 46 #include <sys/strsun.h> 47 #include <sys/strlog.h> 48 #include <sys/kmem.h> 49 #include <sys/stat.h> 50 #include <sys/kstat.h> 51 #include <sys/modctl.h> 52 #include <sys/errno.h> 53 #include <sys/dlpi.h> 54 #include <sys/mac_provider.h> 55 #include <sys/mac_ether.h> 56 #include <sys/vlan.h> 57 #include <sys/ddi.h> 58 #include <sys/sunddi.h> 59 #include <sys/pci.h> 60 #include <sys/pcie.h> 61 #include <sys/sdt.h> 62 #include <sys/ethernet.h> 63 #include <sys/pattr.h> 64 #include <sys/strsubr.h> 65 #include <sys/netlb.h> 66 #include <sys/random.h> 67 #include <inet/common.h> 68 #include <inet/tcp.h> 69 #include <inet/ip.h> 70 #include <inet/mi.h> 71 #include <inet/nd.h> 72 #include <sys/bitmap.h> 73 #include <sys/ddifm.h> 74 #include <sys/fm/protocol.h> 75 #include <sys/fm/util.h> 76 #include <sys/disp.h> 77 #include <sys/fm/io/ddi.h> 78 #include <sys/ddi_ufm.h> 79 #include "ixgbe_api.h" 80 81 #define MODULE_NAME "ixgbe" /* module name */ 82 83 #define IXGBE_FAILURE DDI_FAILURE 84 85 #define IXGBE_UNKNOWN 0x00 86 #define IXGBE_INITIALIZED 0x01 87 #define IXGBE_STARTED 0x02 88 #define IXGBE_SUSPENDED 0x04 89 #define IXGBE_STALL 0x08 90 #define IXGBE_OVERTEMP 0x20 91 #define IXGBE_INTR_ADJUST 0x40 92 #define IXGBE_ERROR 0x80 93 94 #define MAX_NUM_UNICAST_ADDRESSES 0x80 95 #define MAX_NUM_MULTICAST_ADDRESSES 0x1000 96 #define MAX_NUM_VLAN_FILTERS 0x40 97 98 #define IXGBE_INTR_NONE 0 99 #define IXGBE_INTR_MSIX 1 100 #define IXGBE_INTR_MSI 2 101 #define IXGBE_INTR_LEGACY 3 102 103 #define IXGBE_POLL_NULL -1 104 105 #define MAX_COOKIE 18 106 #define MIN_NUM_TX_DESC 2 107 108 #define IXGBE_TX_DESC_LIMIT 32 /* tx desc limitation */ 109 110 #define IXGBE_ADAPTER_REGSET 1 /* map adapter registers */ 111 112 #define IXGBE_RX_STOPPED 0x1 113 114 #define IXGBE_PKG_BUF_16k 16384 115 116 /* 117 * MAX_xx_QUEUE_NUM and MAX_INTR_VECTOR values need to be the maximum of all 118 * supported silicon types. 119 */ 120 #define MAX_TX_QUEUE_NUM 128 121 #define MAX_RX_QUEUE_NUM 128 122 #define MAX_INTR_VECTOR 64 123 124 /* 125 * Maximum values for user configurable parameters 126 */ 127 #define MAX_TX_RING_SIZE 4096 128 #define MAX_RX_RING_SIZE 4096 129 130 #define MAX_RX_LIMIT_PER_INTR 4096 131 132 #define MAX_RX_COPY_THRESHOLD 9216 133 #define MAX_TX_COPY_THRESHOLD 9216 134 #define MAX_TX_RECYCLE_THRESHOLD DEFAULT_TX_RING_SIZE 135 #define MAX_TX_OVERLOAD_THRESHOLD DEFAULT_TX_RING_SIZE 136 #define MAX_TX_RESCHED_THRESHOLD DEFAULT_TX_RING_SIZE 137 138 /* 139 * Minimum values for user configurable parameters 140 */ 141 #define MIN_TX_RING_SIZE 64 142 #define MIN_RX_RING_SIZE 64 143 144 #define MIN_MTU ETHERMIN 145 #define MIN_RX_LIMIT_PER_INTR 16 146 #define MIN_TX_COPY_THRESHOLD 0 147 #define MIN_RX_COPY_THRESHOLD 0 148 #define MIN_TX_RECYCLE_THRESHOLD MIN_NUM_TX_DESC 149 #define MIN_TX_OVERLOAD_THRESHOLD MIN_NUM_TX_DESC 150 #define MIN_TX_RESCHED_THRESHOLD MIN_NUM_TX_DESC 151 152 /* 153 * Default values for user configurable parameters 154 */ 155 #define DEFAULT_TX_RING_SIZE 1024 156 #define DEFAULT_RX_RING_SIZE 1024 157 158 #define DEFAULT_MTU ETHERMTU 159 #define DEFAULT_RX_LIMIT_PER_INTR 256 160 #define DEFAULT_RX_COPY_THRESHOLD 128 161 #define DEFAULT_TX_COPY_THRESHOLD 512 162 #define DEFAULT_TX_RECYCLE_THRESHOLD (MAX_COOKIE + 1) 163 #define DEFAULT_TX_OVERLOAD_THRESHOLD MIN_NUM_TX_DESC 164 #define DEFAULT_TX_RESCHED_THRESHOLD 128 165 #define DEFAULT_FCRTH 0x20000 166 #define DEFAULT_FCRTL 0x10000 167 #define DEFAULT_FCPAUSE 0xFFFF 168 169 #define DEFAULT_TX_HCKSUM_ENABLE B_TRUE 170 #define DEFAULT_RX_HCKSUM_ENABLE B_TRUE 171 #define DEFAULT_LSO_ENABLE B_TRUE 172 #define DEFAULT_LRO_ENABLE B_FALSE 173 #define DEFAULT_MR_ENABLE B_TRUE 174 #define DEFAULT_TX_HEAD_WB_ENABLE B_TRUE 175 #define DEFAULT_RELAX_ORDER_ENABLE B_TRUE 176 #define DEFAULT_ALLOW_UNSUPPORTED_SFP B_FALSE 177 178 #define IXGBE_LSO_MAXLEN 65535 179 180 #define TX_DRAIN_TIME 200 181 #define RX_DRAIN_TIME 200 182 183 #define STALL_WATCHDOG_TIMEOUT 8 /* 8 seconds */ 184 #define MAX_LINK_DOWN_TIMEOUT 8 /* 8 seconds */ 185 186 #define IXGBE_CYCLIC_PERIOD (1000000000) /* 1s */ 187 188 /* 189 * Extra register bit masks for 82598 190 */ 191 #define IXGBE_PCS1GANA_FDC 0x20 192 #define IXGBE_PCS1GANLP_LPFD 0x20 193 #define IXGBE_PCS1GANLP_LPHD 0x40 194 195 /* 196 * Defined for IP header alignment. 197 */ 198 #define IPHDR_ALIGN_ROOM 2 199 200 /* 201 * Bit flags for attach_progress 202 */ 203 #define ATTACH_PROGRESS_PCI_CONFIG 0x0001 /* PCI config setup */ 204 #define ATTACH_PROGRESS_REGS_MAP 0x0002 /* Registers mapped */ 205 #define ATTACH_PROGRESS_PROPS 0x0004 /* Properties initialized */ 206 #define ATTACH_PROGRESS_ALLOC_INTR 0x0008 /* Interrupts allocated */ 207 #define ATTACH_PROGRESS_ALLOC_RINGS 0x0010 /* Rings allocated */ 208 #define ATTACH_PROGRESS_ADD_INTR 0x0020 /* Intr handlers added */ 209 #define ATTACH_PROGRESS_LOCKS 0x0040 /* Locks initialized */ 210 #define ATTACH_PROGRESS_INIT 0x0080 /* Device initialized */ 211 #define ATTACH_PROGRESS_STATS 0x0200 /* Kstats created */ 212 #define ATTACH_PROGRESS_MAC 0x0800 /* MAC registered */ 213 #define ATTACH_PROGRESS_ENABLE_INTR 0x1000 /* DDI interrupts enabled */ 214 #define ATTACH_PROGRESS_FM_INIT 0x2000 /* FMA initialized */ 215 #define ATTACH_PROGRESS_SFP_TASKQ 0x4000 /* SFP taskq created */ 216 #define ATTACH_PROGRESS_LINK_TIMER 0x8000 /* link check timer */ 217 #define ATTACH_PROGRESS_OVERTEMP_TASKQ 0x10000 /* Over-temp taskq created */ 218 #define ATTACH_PROGRESS_PHY_TASKQ 0x20000 /* Ext. PHY taskq created */ 219 #define ATTACH_PROGRESS_UFM 0x40000 /* UFM support */ 220 221 #define PROP_DEFAULT_MTU "default_mtu" 222 #define PROP_FLOW_CONTROL "flow_control" 223 #define PROP_TX_QUEUE_NUM "tx_queue_number" 224 #define PROP_TX_RING_SIZE "tx_ring_size" 225 #define PROP_RX_QUEUE_NUM "rx_queue_number" 226 #define PROP_RX_RING_SIZE "rx_ring_size" 227 #define PROP_RX_GROUP_NUM "rx_group_number" 228 229 #define PROP_INTR_FORCE "intr_force" 230 #define PROP_TX_HCKSUM_ENABLE "tx_hcksum_enable" 231 #define PROP_RX_HCKSUM_ENABLE "rx_hcksum_enable" 232 #define PROP_LSO_ENABLE "lso_enable" 233 #define PROP_LRO_ENABLE "lro_enable" 234 #define PROP_MR_ENABLE "mr_enable" 235 #define PROP_RELAX_ORDER_ENABLE "relax_order_enable" 236 #define PROP_TX_HEAD_WB_ENABLE "tx_head_wb_enable" 237 #define PROP_TX_COPY_THRESHOLD "tx_copy_threshold" 238 #define PROP_TX_RECYCLE_THRESHOLD "tx_recycle_threshold" 239 #define PROP_TX_OVERLOAD_THRESHOLD "tx_overload_threshold" 240 #define PROP_TX_RESCHED_THRESHOLD "tx_resched_threshold" 241 #define PROP_RX_COPY_THRESHOLD "rx_copy_threshold" 242 #define PROP_RX_LIMIT_PER_INTR "rx_limit_per_intr" 243 #define PROP_INTR_THROTTLING "intr_throttling" 244 #define PROP_FM_CAPABLE "fm_capable" 245 #define PROP_ALLOW_UNSUPPORTED_SFP "allow_unsupported_sfp" 246 247 #define IXGBE_LB_NONE 0 248 #define IXGBE_LB_EXTERNAL 1 249 #define IXGBE_LB_INTERNAL_MAC 2 250 #define IXGBE_LB_INTERNAL_PHY 3 251 #define IXGBE_LB_INTERNAL_SERDES 4 252 253 /* 254 * capability/feature flags 255 * Flags named _CAPABLE are set when the NIC hardware is capable of the feature. 256 * Separately, the flag named _ENABLED is set when the feature is enabled. 257 */ 258 #define IXGBE_FLAG_DCA_ENABLED (u32)(1) 259 #define IXGBE_FLAG_DCA_CAPABLE (u32)(1 << 1) 260 #define IXGBE_FLAG_DCB_ENABLED (u32)(1 << 2) 261 #define IXGBE_FLAG_DCB_CAPABLE (u32)(1 << 4) 262 #define IXGBE_FLAG_RSS_ENABLED (u32)(1 << 4) 263 #define IXGBE_FLAG_RSS_CAPABLE (u32)(1 << 5) 264 #define IXGBE_FLAG_VMDQ_CAPABLE (u32)(1 << 6) 265 #define IXGBE_FLAG_VMDQ_ENABLED (u32)(1 << 7) 266 #define IXGBE_FLAG_FAN_FAIL_CAPABLE (u32)(1 << 8) 267 #define IXGBE_FLAG_RSC_CAPABLE (u32)(1 << 9) 268 #define IXGBE_FLAG_SFP_PLUG_CAPABLE (u32)(1 << 10) 269 #define IXGBE_FLAG_TEMP_SENSOR_CAPABLE (u32)(1 << 11) 270 271 /* 272 * Classification mode 273 */ 274 #define IXGBE_CLASSIFY_NONE 0 275 #define IXGBE_CLASSIFY_RSS 1 276 #define IXGBE_CLASSIFY_VMDQ 2 277 #define IXGBE_CLASSIFY_VMDQ_RSS 3 278 279 /* adapter-specific info for each supported device type */ 280 typedef struct adapter_info { 281 uint32_t max_rx_que_num; /* maximum number of rx queues */ 282 uint32_t min_rx_que_num; /* minimum number of rx queues */ 283 uint32_t def_rx_que_num; /* default number of rx queues */ 284 uint32_t max_rx_grp_num; /* maximum number of rx groups */ 285 uint32_t min_rx_grp_num; /* minimum number of rx groups */ 286 uint32_t def_rx_grp_num; /* default number of rx groups */ 287 uint32_t max_tx_que_num; /* maximum number of tx queues */ 288 uint32_t min_tx_que_num; /* minimum number of tx queues */ 289 uint32_t def_tx_que_num; /* default number of tx queues */ 290 uint32_t max_mtu; /* maximum MTU size */ 291 /* 292 * Interrupt throttling is in unit of 256 nsec 293 */ 294 uint32_t max_intr_throttle; /* maximum interrupt throttle */ 295 uint32_t min_intr_throttle; /* minimum interrupt throttle */ 296 uint32_t def_intr_throttle; /* default interrupt throttle */ 297 298 uint32_t max_msix_vect; /* maximum total msix vectors */ 299 uint32_t max_ring_vect; /* maximum number of ring vectors */ 300 uint32_t max_other_vect; /* maximum number of other vectors */ 301 uint32_t other_intr; /* "other" interrupt types handled */ 302 uint32_t other_gpie; /* "other" interrupt types enabling */ 303 uint32_t flags; /* capability flags */ 304 } adapter_info_t; 305 306 /* bits representing all interrupt types other than tx & rx */ 307 #define IXGBE_OTHER_INTR 0x3ff00000 308 #define IXGBE_82599_OTHER_INTR 0x86100000 309 310 enum ioc_reply { 311 IOC_INVAL = -1, /* bad, NAK with EINVAL */ 312 IOC_DONE, /* OK, reply sent */ 313 IOC_ACK, /* OK, just send ACK */ 314 IOC_REPLY /* OK, just send reply */ 315 }; 316 317 #define DMA_SYNC(area, flag) ((void) ddi_dma_sync((area)->dma_handle, \ 318 0, 0, (flag))) 319 320 /* 321 * Defined for ring index operations 322 * ASSERT(index < limit) 323 * ASSERT(step < limit) 324 * ASSERT(index1 < limit) 325 * ASSERT(index2 < limit) 326 */ 327 #define NEXT_INDEX(index, step, limit) (((index) + (step)) < (limit) ? \ 328 (index) + (step) : (index) + (step) - (limit)) 329 #define PREV_INDEX(index, step, limit) ((index) >= (step) ? \ 330 (index) - (step) : (index) + (limit) - (step)) 331 #define OFFSET(index1, index2, limit) ((index1) <= (index2) ? \ 332 (index2) - (index1) : (index2) + (limit) - (index1)) 333 334 #define LINK_LIST_INIT(_LH) \ 335 (_LH)->head = (_LH)->tail = NULL 336 337 #define LIST_GET_HEAD(_LH) ((single_link_t *)((_LH)->head)) 338 339 #define LIST_POP_HEAD(_LH) \ 340 (single_link_t *)(_LH)->head; \ 341 { \ 342 if ((_LH)->head != NULL) { \ 343 (_LH)->head = (_LH)->head->link; \ 344 if ((_LH)->head == NULL) \ 345 (_LH)->tail = NULL; \ 346 } \ 347 } 348 349 #define LIST_GET_TAIL(_LH) ((single_link_t *)((_LH)->tail)) 350 351 #define LIST_PUSH_TAIL(_LH, _E) \ 352 if ((_LH)->tail != NULL) { \ 353 (_LH)->tail->link = (single_link_t *)(_E); \ 354 (_LH)->tail = (single_link_t *)(_E); \ 355 } else { \ 356 (_LH)->head = (_LH)->tail = (single_link_t *)(_E); \ 357 } \ 358 (_E)->link = NULL; 359 360 #define LIST_GET_NEXT(_LH, _E) \ 361 (((_LH)->tail == (single_link_t *)(_E)) ? \ 362 NULL : ((single_link_t *)(_E))->link) 363 364 365 typedef struct single_link { 366 struct single_link *link; 367 } single_link_t; 368 369 typedef struct link_list { 370 single_link_t *head; 371 single_link_t *tail; 372 } link_list_t; 373 374 /* 375 * Property lookups 376 */ 377 #define IXGBE_PROP_EXISTS(d, n) ddi_prop_exists(DDI_DEV_T_ANY, (d), \ 378 DDI_PROP_DONTPASS, (n)) 379 #define IXGBE_PROP_GET_INT(d, n) ddi_prop_get_int(DDI_DEV_T_ANY, (d), \ 380 DDI_PROP_DONTPASS, (n), -1) 381 382 383 typedef union ixgbe_ether_addr { 384 struct { 385 uint32_t high; 386 uint32_t low; 387 } reg; 388 struct { 389 uint8_t set; 390 uint8_t group_index; 391 uint8_t addr[ETHERADDRL]; 392 } mac; 393 } ixgbe_ether_addr_t; 394 395 /* 396 * The list of VLANs an Rx group will accept. 397 */ 398 typedef struct ixgbe_vlan { 399 list_node_t ixvl_link; 400 uint16_t ixvl_vid; /* The VLAN ID */ 401 uint_t ixvl_refs; /* Number of users of this VLAN */ 402 } ixgbe_vlan_t; 403 404 typedef enum { 405 USE_NONE, 406 USE_COPY, 407 USE_DMA 408 } tx_type_t; 409 410 typedef struct ixgbe_tx_context { 411 uint32_t hcksum_flags; 412 uint32_t ip_hdr_len; 413 uint32_t mac_hdr_len; 414 uint32_t l3_proto; 415 uint32_t l4_proto; 416 uint32_t mss; 417 uint32_t l4_hdr_len; 418 boolean_t lso_flag; 419 } ixgbe_tx_context_t; 420 421 /* 422 * Hold address/length of each DMA segment 423 */ 424 typedef struct sw_desc { 425 uint64_t address; 426 size_t length; 427 } sw_desc_t; 428 429 /* 430 * Handles and addresses of DMA buffer 431 */ 432 typedef struct dma_buffer { 433 caddr_t address; /* Virtual address */ 434 uint64_t dma_address; /* DMA (Hardware) address */ 435 ddi_acc_handle_t acc_handle; /* Data access handle */ 436 ddi_dma_handle_t dma_handle; /* DMA handle */ 437 size_t size; /* Buffer size */ 438 size_t len; /* Data length in the buffer */ 439 } dma_buffer_t; 440 441 /* 442 * Tx Control Block 443 */ 444 typedef struct tx_control_block { 445 single_link_t link; 446 uint32_t last_index; /* last descriptor of the pkt */ 447 uint32_t frag_num; 448 uint32_t desc_num; 449 mblk_t *mp; 450 tx_type_t tx_type; 451 ddi_dma_handle_t tx_dma_handle; 452 dma_buffer_t tx_buf; 453 sw_desc_t desc[MAX_COOKIE]; 454 } tx_control_block_t; 455 456 /* 457 * RX Control Block 458 */ 459 typedef struct rx_control_block { 460 mblk_t *mp; 461 uint32_t ref_cnt; 462 dma_buffer_t rx_buf; 463 frtn_t free_rtn; 464 struct ixgbe_rx_data *rx_data; 465 int lro_next; /* Index of next rcb */ 466 int lro_prev; /* Index of previous rcb */ 467 boolean_t lro_pkt; /* Flag for LRO rcb */ 468 } rx_control_block_t; 469 470 /* 471 * Software Data Structure for Tx Ring 472 */ 473 typedef struct ixgbe_tx_ring { 474 uint32_t index; /* Ring index */ 475 uint32_t intr_vector; /* Interrupt vector index */ 476 uint32_t vect_bit; /* vector's bit in register */ 477 478 /* 479 * Mutexes 480 */ 481 kmutex_t tx_lock; 482 kmutex_t recycle_lock; 483 kmutex_t tcb_head_lock; 484 kmutex_t tcb_tail_lock; 485 486 /* 487 * Tx descriptor ring definitions 488 */ 489 dma_buffer_t tbd_area; 490 union ixgbe_adv_tx_desc *tbd_ring; 491 uint32_t tbd_head; /* Index of next tbd to recycle */ 492 uint32_t tbd_tail; /* Index of next tbd to transmit */ 493 uint32_t tbd_free; /* Number of free tbd */ 494 495 /* 496 * Tx control block list definitions 497 */ 498 tx_control_block_t *tcb_area; 499 tx_control_block_t **work_list; 500 tx_control_block_t **free_list; 501 uint32_t tcb_head; /* Head index of free list */ 502 uint32_t tcb_tail; /* Tail index of free list */ 503 uint32_t tcb_free; /* Number of free tcb in free list */ 504 505 uint32_t *tbd_head_wb; /* Head write-back */ 506 uint32_t (*tx_recycle)(struct ixgbe_tx_ring *); 507 508 /* 509 * s/w context structure for TCP/UDP checksum offload 510 * and LSO. 511 */ 512 ixgbe_tx_context_t tx_context; 513 514 /* 515 * Tx ring settings and status 516 */ 517 uint32_t ring_size; /* Tx descriptor ring size */ 518 uint32_t free_list_size; /* Tx free list size */ 519 520 boolean_t reschedule; 521 uint32_t recycle_fail; 522 uint32_t stall_watchdog; 523 524 uint32_t stat_overload; 525 uint32_t stat_fail_no_tbd; 526 uint32_t stat_fail_no_tcb; 527 uint32_t stat_fail_dma_bind; 528 uint32_t stat_reschedule; 529 uint32_t stat_break_tbd_limit; 530 uint32_t stat_lso_header_fail; 531 532 uint64_t stat_obytes; 533 uint64_t stat_opackets; 534 535 mac_ring_handle_t ring_handle; 536 537 /* 538 * Pointer to the ixgbe struct 539 */ 540 struct ixgbe *ixgbe; 541 } ixgbe_tx_ring_t; 542 543 /* 544 * Software Receive Ring 545 */ 546 typedef struct ixgbe_rx_data { 547 kmutex_t recycle_lock; /* Recycle lock, for rcb_tail */ 548 549 /* 550 * Rx descriptor ring definitions 551 */ 552 dma_buffer_t rbd_area; /* DMA buffer of rx desc ring */ 553 union ixgbe_adv_rx_desc *rbd_ring; /* Rx desc ring */ 554 uint32_t rbd_next; /* Index of next rx desc */ 555 556 /* 557 * Rx control block list definitions 558 */ 559 rx_control_block_t *rcb_area; 560 rx_control_block_t **work_list; /* Work list of rcbs */ 561 rx_control_block_t **free_list; /* Free list of rcbs */ 562 uint32_t rcb_head; /* Index of next free rcb */ 563 uint32_t rcb_tail; /* Index to put recycled rcb */ 564 uint32_t rcb_free; /* Number of free rcbs */ 565 566 /* 567 * Rx sw ring settings and status 568 */ 569 uint32_t ring_size; /* Rx descriptor ring size */ 570 uint32_t free_list_size; /* Rx free list size */ 571 572 uint32_t rcb_pending; 573 uint32_t flag; 574 575 uint32_t lro_num; /* Number of rcbs of one LRO */ 576 uint32_t lro_first; /* Index of first LRO rcb */ 577 578 struct ixgbe_rx_ring *rx_ring; /* Pointer to rx ring */ 579 } ixgbe_rx_data_t; 580 581 /* 582 * Software Data Structure for Rx Ring 583 */ 584 typedef struct ixgbe_rx_ring { 585 uint32_t index; /* Ring index */ 586 uint32_t group_index; /* Group index */ 587 uint32_t hw_index; /* h/w ring index */ 588 uint32_t intr_vector; /* Interrupt vector index */ 589 uint32_t vect_bit; /* vector's bit in register */ 590 591 ixgbe_rx_data_t *rx_data; /* Rx software ring */ 592 593 kmutex_t rx_lock; /* Rx access lock */ 594 595 uint32_t stat_frame_error; 596 uint32_t stat_cksum_error; 597 uint32_t stat_exceed_pkt; 598 599 uint64_t stat_rbytes; 600 uint64_t stat_ipackets; 601 602 mac_ring_handle_t ring_handle; 603 uint64_t ring_gen_num; 604 605 struct ixgbe *ixgbe; /* Pointer to ixgbe struct */ 606 } ixgbe_rx_ring_t; 607 608 /* 609 * Software Receive Ring Group 610 */ 611 typedef struct ixgbe_rx_group { 612 uint32_t index; /* Group index */ 613 mac_group_handle_t group_handle; /* call back group handle */ 614 struct ixgbe *ixgbe; /* Pointer to ixgbe struct */ 615 boolean_t aupe; /* AUPE bit */ 616 list_t vlans; /* list of VLANs to allow */ 617 } ixgbe_rx_group_t; 618 619 /* 620 * structure to map interrupt cleanup to msi-x vector 621 */ 622 typedef struct ixgbe_intr_vector { 623 struct ixgbe *ixgbe; /* point to my adapter */ 624 ulong_t rx_map[BT_BITOUL(MAX_RX_QUEUE_NUM)]; /* bitmap of rx rings */ 625 int rxr_cnt; /* count rx rings */ 626 ulong_t tx_map[BT_BITOUL(MAX_TX_QUEUE_NUM)]; /* bitmap of tx rings */ 627 int txr_cnt; /* count tx rings */ 628 ulong_t other_map[BT_BITOUL(2)]; /* bitmap of other */ 629 int other_cnt; /* count other interrupt */ 630 } ixgbe_intr_vector_t; 631 632 /* 633 * Software adapter state 634 */ 635 typedef struct ixgbe { 636 int instance; 637 mac_handle_t mac_hdl; 638 dev_info_t *dip; 639 struct ixgbe_hw hw; 640 struct ixgbe_osdep osdep; 641 642 adapter_info_t *capab; /* adapter hardware capabilities */ 643 ddi_taskq_t *sfp_taskq; /* sfp-change taskq */ 644 ddi_taskq_t *overtemp_taskq; /* overtemp taskq */ 645 ddi_taskq_t *phy_taskq; /* external PHY taskq */ 646 uint32_t eims; /* interrupt mask setting */ 647 uint32_t eimc; /* interrupt mask clear */ 648 uint32_t eicr; /* interrupt cause reg */ 649 650 uint32_t ixgbe_state; 651 link_state_t link_state; 652 uint32_t link_speed; 653 uint32_t link_duplex; 654 655 uint32_t reset_count; 656 uint32_t attach_progress; 657 uint32_t loopback_mode; 658 uint32_t default_mtu; 659 uint32_t max_frame_size; 660 ixgbe_link_speed speeds_supported; 661 662 uint32_t rcb_pending; 663 664 /* 665 * Each msi-x vector: map vector to interrupt cleanup 666 */ 667 ixgbe_intr_vector_t vect_map[MAX_INTR_VECTOR]; 668 669 /* 670 * Receive Rings 671 */ 672 ixgbe_rx_ring_t *rx_rings; /* Array of rx rings */ 673 uint32_t num_rx_rings; /* Number of rx rings in use */ 674 uint32_t rx_ring_size; /* Rx descriptor ring size */ 675 uint32_t rx_buf_size; /* Rx buffer size */ 676 boolean_t lro_enable; /* Large Receive Offload */ 677 uint64_t lro_pkt_count; /* LRO packet count */ 678 /* 679 * Receive Groups 680 */ 681 ixgbe_rx_group_t *rx_groups; /* Array of rx groups */ 682 uint32_t num_rx_groups; /* Number of rx groups in use */ 683 uint32_t rx_def_group; /* Default Rx group index */ 684 685 /* 686 * Transmit Rings 687 */ 688 ixgbe_tx_ring_t *tx_rings; /* Array of tx rings */ 689 uint32_t num_tx_rings; /* Number of tx rings in use */ 690 uint32_t tx_ring_size; /* Tx descriptor ring size */ 691 uint32_t tx_buf_size; /* Tx buffer size */ 692 693 boolean_t tx_ring_init; 694 boolean_t tx_head_wb_enable; /* Tx head wrtie-back */ 695 boolean_t tx_hcksum_enable; /* Tx h/w cksum offload */ 696 boolean_t lso_enable; /* Large Segment Offload */ 697 boolean_t mr_enable; /* Multiple Tx and Rx Ring */ 698 boolean_t relax_order_enable; /* Relax Order */ 699 uint32_t classify_mode; /* Classification mode */ 700 uint32_t tx_copy_thresh; /* Tx copy threshold */ 701 uint32_t tx_recycle_thresh; /* Tx recycle threshold */ 702 uint32_t tx_overload_thresh; /* Tx overload threshold */ 703 uint32_t tx_resched_thresh; /* Tx reschedule threshold */ 704 boolean_t rx_hcksum_enable; /* Rx h/w cksum offload */ 705 uint32_t rx_copy_thresh; /* Rx copy threshold */ 706 uint32_t rx_limit_per_intr; /* Rx pkts per interrupt */ 707 uint32_t intr_throttling[MAX_INTR_VECTOR]; 708 uint32_t intr_force; 709 int fm_capabilities; /* FMA capabilities */ 710 711 int intr_type; 712 int intr_cnt; 713 uint32_t intr_cnt_max; 714 uint32_t intr_cnt_min; 715 int intr_cap; 716 size_t intr_size; 717 uint_t intr_pri; 718 ddi_intr_handle_t *htable; 719 uint32_t eims_mask; 720 ddi_cb_handle_t cb_hdl; /* Interrupt callback handle */ 721 722 kmutex_t gen_lock; /* General lock for device access */ 723 kmutex_t watchdog_lock; 724 kmutex_t rx_pending_lock; 725 726 boolean_t watchdog_enable; 727 boolean_t watchdog_start; 728 timeout_id_t watchdog_tid; 729 730 boolean_t unicst_init; 731 uint32_t unicst_avail; 732 uint32_t unicst_total; 733 ixgbe_ether_addr_t unicst_addr[MAX_NUM_UNICAST_ADDRESSES]; 734 uint32_t mcast_count; 735 struct ether_addr mcast_table[MAX_NUM_MULTICAST_ADDRESSES]; 736 737 boolean_t vlft_enabled; /* VLAN filtering enabled? */ 738 boolean_t vlft_init; /* VLAN filtering initialized? */ 739 740 ulong_t sys_page_size; 741 742 boolean_t link_check_complete; 743 hrtime_t link_check_hrtime; 744 ddi_periodic_t periodic_id; /* for link check timer func */ 745 746 /* 747 * LED related constants. 748 */ 749 boolean_t ixgbe_led_active; 750 boolean_t ixgbe_led_blink; 751 uint32_t ixgbe_led_reg; 752 uint32_t ixgbe_led_index; 753 754 /* 755 * UFM state 756 */ 757 ddi_ufm_handle_t *ixgbe_ufmh; 758 759 /* 760 * Kstat definitions 761 */ 762 kstat_t *ixgbe_ks; 763 764 uint32_t param_en_10000fdx_cap:1, 765 param_en_5000fdx_cap:1, 766 param_en_2500fdx_cap:1, 767 param_en_1000fdx_cap:1, 768 param_en_100fdx_cap:1, 769 param_adv_10000fdx_cap:1, 770 param_adv_5000fdx_cap:1, 771 param_adv_2500fdx_cap:1, 772 param_adv_1000fdx_cap:1, 773 param_adv_100fdx_cap:1, 774 param_pause_cap:1, 775 param_asym_pause_cap:1, 776 param_rem_fault:1, 777 param_adv_autoneg_cap:1, 778 param_adv_pause_cap:1, 779 param_adv_asym_pause_cap:1, 780 param_adv_rem_fault:1, 781 param_lp_10000fdx_cap:1, 782 param_lp_5000fdx_cap:1, 783 param_lp_2500fdx_cap:1, 784 param_lp_1000fdx_cap:1, 785 param_lp_100fdx_cap:1, 786 param_lp_autoneg_cap:1, 787 param_lp_pause_cap:1, 788 param_lp_asym_pause_cap:1, 789 param_lp_rem_fault:1, 790 param_pad_to_32:6; 791 } ixgbe_t; 792 793 typedef struct ixgbe_stat { 794 kstat_named_t link_speed; /* Link Speed */ 795 796 kstat_named_t reset_count; /* Reset Count */ 797 798 kstat_named_t rx_frame_error; /* Rx Error in Packet */ 799 kstat_named_t rx_cksum_error; /* Rx Checksum Error */ 800 kstat_named_t rx_exceed_pkt; /* Rx Exceed Max Pkt Count */ 801 802 kstat_named_t tx_overload; /* Tx Desc Ring Overload */ 803 kstat_named_t tx_fail_no_tcb; /* Tx Fail Freelist Empty */ 804 kstat_named_t tx_fail_no_tbd; /* Tx Fail Desc Ring Empty */ 805 kstat_named_t tx_fail_dma_bind; /* Tx Fail DMA bind */ 806 kstat_named_t tx_reschedule; /* Tx Reschedule */ 807 kstat_named_t tx_break_tbd_limit; /* Reached single xmit desc limit */ 808 kstat_named_t tx_lso_header_fail; /* New mblk for last LSO hdr frag */ 809 810 kstat_named_t gprc; /* Good Packets Received Count */ 811 kstat_named_t gptc; /* Good Packets Xmitted Count */ 812 kstat_named_t gor; /* Good Octets Received Count */ 813 kstat_named_t got; /* Good Octets Xmitd Count */ 814 kstat_named_t qor; /* Queue Octets Received */ 815 kstat_named_t qot; /* Queue Octets Transmitted */ 816 kstat_named_t qpr; /* Queue Packets Received */ 817 kstat_named_t qpt; /* Queue Packets Transmitted */ 818 kstat_named_t prc64; /* Packets Received - 64b */ 819 kstat_named_t prc127; /* Packets Received - 65-127b */ 820 kstat_named_t prc255; /* Packets Received - 127-255b */ 821 kstat_named_t prc511; /* Packets Received - 256-511b */ 822 kstat_named_t prc1023; /* Packets Received - 511-1023b */ 823 kstat_named_t prc1522; /* Packets Received - 1024-1522b */ 824 kstat_named_t ptc64; /* Packets Xmitted (64b) */ 825 kstat_named_t ptc127; /* Packets Xmitted (64-127b) */ 826 kstat_named_t ptc255; /* Packets Xmitted (128-255b) */ 827 kstat_named_t ptc511; /* Packets Xmitted (255-511b) */ 828 kstat_named_t ptc1023; /* Packets Xmitted (512-1023b) */ 829 kstat_named_t ptc1522; /* Packets Xmitted (1024-1522b */ 830 831 kstat_named_t crcerrs; /* CRC Error Count */ 832 kstat_named_t illerrc; /* Illegal Byte Error Count */ 833 kstat_named_t errbc; /* Error Byte Count */ 834 kstat_named_t mspdc; /* MAC Short Packet Discard Count */ 835 kstat_named_t mpc; /* Missed Packets Count */ 836 kstat_named_t mlfc; /* MAC Local Fault Count */ 837 kstat_named_t mrfc; /* MAC Remote Fault Count */ 838 kstat_named_t rlec; /* Receive Length Error Count */ 839 kstat_named_t lxontxc; /* Link XON Transmitted Count */ 840 kstat_named_t lxonrxc; /* Link XON Received Count */ 841 kstat_named_t lxofftxc; /* Link XOFF Transmitted Count */ 842 kstat_named_t lxoffrxc; /* Link XOFF Received Count */ 843 kstat_named_t bprc; /* Broadcasts Pkts Received Count */ 844 kstat_named_t mprc; /* Multicast Pkts Received Count */ 845 kstat_named_t rnbc; /* Receive No Buffers Count */ 846 kstat_named_t ruc; /* Receive Undersize Count */ 847 kstat_named_t rfc; /* Receive Frag Count */ 848 kstat_named_t roc; /* Receive Oversize Count */ 849 kstat_named_t rjc; /* Receive Jabber Count */ 850 kstat_named_t tor; /* Total Octets Recvd Count */ 851 kstat_named_t tot; /* Total Octets Xmitted Count */ 852 kstat_named_t tpr; /* Total Packets Received */ 853 kstat_named_t tpt; /* Total Packets Xmitted */ 854 kstat_named_t mptc; /* Multicast Packets Xmited Count */ 855 kstat_named_t bptc; /* Broadcast Packets Xmited Count */ 856 kstat_named_t lroc; /* LRO Packets Received Count */ 857 kstat_named_t dev_gone; /* Number of device gone events encountered */ 858 } ixgbe_stat_t; 859 860 /* 861 * Function prototypes in ixgbe_buf.c 862 */ 863 int ixgbe_alloc_dma(ixgbe_t *); 864 void ixgbe_free_dma(ixgbe_t *); 865 void ixgbe_set_fma_flags(int); 866 void ixgbe_free_dma_buffer(dma_buffer_t *); 867 int ixgbe_alloc_rx_ring_data(ixgbe_rx_ring_t *rx_ring); 868 void ixgbe_free_rx_ring_data(ixgbe_rx_data_t *rx_data); 869 870 /* 871 * Function prototypes in ixgbe_main.c 872 */ 873 int ixgbe_start(ixgbe_t *, boolean_t); 874 void ixgbe_stop(ixgbe_t *, boolean_t); 875 int ixgbe_driver_setup_link(ixgbe_t *, boolean_t); 876 int ixgbe_multicst_add(ixgbe_t *, const uint8_t *); 877 int ixgbe_multicst_remove(ixgbe_t *, const uint8_t *); 878 enum ioc_reply ixgbe_loopback_ioctl(ixgbe_t *, struct iocblk *, mblk_t *); 879 880 void ixgbe_enable_watchdog_timer(ixgbe_t *); 881 void ixgbe_disable_watchdog_timer(ixgbe_t *); 882 int ixgbe_atomic_reserve(uint32_t *, uint32_t); 883 884 int ixgbe_check_acc_handle(ddi_acc_handle_t handle); 885 int ixgbe_check_dma_handle(ddi_dma_handle_t handle); 886 void ixgbe_fm_ereport(ixgbe_t *, char *); 887 888 void ixgbe_fill_ring(void *, mac_ring_type_t, const int, const int, 889 mac_ring_info_t *, mac_ring_handle_t); 890 void ixgbe_fill_group(void *arg, mac_ring_type_t, const int, 891 mac_group_info_t *, mac_group_handle_t); 892 int ixgbe_rx_ring_intr_enable(mac_intr_handle_t); 893 int ixgbe_rx_ring_intr_disable(mac_intr_handle_t); 894 895 int ixgbe_transceiver_info(void *, uint_t, mac_transceiver_info_t *); 896 int ixgbe_transceiver_read(void *, uint_t, uint_t, void *, size_t, off_t, 897 size_t *); 898 899 /* 900 * Function prototypes in ixgbe_gld.c 901 */ 902 int ixgbe_m_start(void *); 903 void ixgbe_m_stop(void *); 904 int ixgbe_m_promisc(void *, boolean_t); 905 int ixgbe_m_multicst(void *, boolean_t, const uint8_t *); 906 void ixgbe_m_resources(void *); 907 void ixgbe_m_ioctl(void *, queue_t *, mblk_t *); 908 boolean_t ixgbe_m_getcapab(void *, mac_capab_t, void *); 909 int ixgbe_m_setprop(void *, const char *, mac_prop_id_t, uint_t, const void *); 910 int ixgbe_m_getprop(void *, const char *, mac_prop_id_t, uint_t, void *); 911 void ixgbe_m_propinfo(void *, const char *, mac_prop_id_t, 912 mac_prop_info_handle_t); 913 int ixgbe_set_priv_prop(ixgbe_t *, const char *, uint_t, const void *); 914 int ixgbe_get_priv_prop(ixgbe_t *, const char *, uint_t, void *); 915 boolean_t ixgbe_param_locked(mac_prop_id_t); 916 917 /* 918 * Function prototypes in ixgbe_rx.c 919 */ 920 mblk_t *ixgbe_ring_rx(ixgbe_rx_ring_t *, int); 921 void ixgbe_rx_recycle(caddr_t arg); 922 mblk_t *ixgbe_ring_rx_poll(void *, int); 923 924 /* 925 * Function prototypes in ixgbe_tx.c 926 */ 927 mblk_t *ixgbe_ring_tx(void *, mblk_t *); 928 void ixgbe_free_tcb(tx_control_block_t *); 929 void ixgbe_put_free_list(ixgbe_tx_ring_t *, link_list_t *); 930 uint32_t ixgbe_tx_recycle_legacy(ixgbe_tx_ring_t *); 931 uint32_t ixgbe_tx_recycle_head_wb(ixgbe_tx_ring_t *); 932 933 /* 934 * Function prototypes in ixgbe_log.c 935 */ 936 void ixgbe_notice(void *, const char *, ...); 937 void ixgbe_log(void *, const char *, ...); 938 void ixgbe_error(void *, const char *, ...); 939 940 /* 941 * Function prototypes in ixgbe_stat.c 942 */ 943 int ixgbe_init_stats(ixgbe_t *); 944 int ixgbe_m_stat(void *, uint_t, uint64_t *); 945 int ixgbe_rx_ring_stat(mac_ring_driver_t, uint_t, uint64_t *); 946 int ixgbe_tx_ring_stat(mac_ring_driver_t, uint_t, uint64_t *); 947 948 #ifdef __cplusplus 949 } 950 #endif 951 952 #endif /* _IXGBE_SW_H */ 953