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