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6064 ixgbe needs X550 support
Reviewed by: Tycho Nightingale <tycho.nightingale@pluribusnetworks.com>
Reviewed by: Robert Mustacchi <rm@joyent.com>
Reviewed by: Dan McDonald <danmcd@omniti.com>
    
      
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          --- old/usr/src/uts/common/io/ixgbe/ixgbe_sw.h
          +++ new/usr/src/uts/common/io/ixgbe/ixgbe_sw.h
   1    1  /*
   2    2   * CDDL HEADER START
   3    3   *
   4    4   * The contents of this file are subject to the terms of the
   5    5   * Common Development and Distribution License (the "License").
   6    6   * You may not use this file except in compliance with the License.
   7    7   *
   8    8   * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9    9   * or http://www.opensolaris.org/os/licensing.
  10   10   * See the License for the specific language governing permissions
  11   11   * and limitations under the License.
  12   12   *
  13   13   * When distributing Covered Code, include this CDDL HEADER in each
  14   14   * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15   15   * If applicable, add the following below this CDDL HEADER, with the
  16   16   * fields enclosed by brackets "[]" replaced with your own identifying
  17   17   * information: Portions Copyright [yyyy] [name of copyright owner]
  18   18   *
  
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  19   19   * CDDL HEADER END
  20   20   */
  21   21  
  22   22  /*
  23   23   * Copyright(c) 2007-2010 Intel Corporation. All rights reserved.
  24   24   */
  25   25  
  26   26  /*
  27   27   * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
  28   28   * Copyright (c) 2013 Saso Kiselkov. All rights reserved.
       29 + * Copyright 2016 OmniTI Computer Consulting, Inc. All rights reserved.
  29   30   */
  30   31  
  31   32  #ifndef _IXGBE_SW_H
  32   33  #define _IXGBE_SW_H
  33   34  
  34   35  #ifdef __cplusplus
  35   36  extern "C" {
  36   37  #endif
  37   38  
  38   39  #include <sys/types.h>
  39   40  #include <sys/conf.h>
  40   41  #include <sys/debug.h>
  41   42  #include <sys/stropts.h>
  42   43  #include <sys/stream.h>
  43   44  #include <sys/strsun.h>
  44   45  #include <sys/strlog.h>
  45   46  #include <sys/kmem.h>
  46   47  #include <sys/stat.h>
  47   48  #include <sys/kstat.h>
  48   49  #include <sys/modctl.h>
  49   50  #include <sys/errno.h>
  50   51  #include <sys/dlpi.h>
  51   52  #include <sys/mac_provider.h>
  52   53  #include <sys/mac_ether.h>
  53   54  #include <sys/vlan.h>
  54   55  #include <sys/ddi.h>
  55   56  #include <sys/sunddi.h>
  56   57  #include <sys/pci.h>
  57   58  #include <sys/pcie.h>
  58   59  #include <sys/sdt.h>
  59   60  #include <sys/ethernet.h>
  60   61  #include <sys/pattr.h>
  61   62  #include <sys/strsubr.h>
  62   63  #include <sys/netlb.h>
  63   64  #include <sys/random.h>
  64   65  #include <inet/common.h>
  65   66  #include <inet/tcp.h>
  66   67  #include <inet/ip.h>
  67   68  #include <inet/mi.h>
  68   69  #include <inet/nd.h>
  69   70  #include <sys/bitmap.h>
  70   71  #include <sys/ddifm.h>
  71   72  #include <sys/fm/protocol.h>
  72   73  #include <sys/fm/util.h>
  73   74  #include <sys/disp.h>
  74   75  #include <sys/fm/io/ddi.h>
  75   76  #include "ixgbe_api.h"
  76   77  
  77   78  #define MODULE_NAME                     "ixgbe" /* module name */
  78   79  
  79   80  #define IXGBE_FAILURE                   DDI_FAILURE
  80   81  
  81   82  #define IXGBE_UNKNOWN                   0x00
  82   83  #define IXGBE_INITIALIZED               0x01
  83   84  #define IXGBE_STARTED                   0x02
  84   85  #define IXGBE_SUSPENDED                 0x04
  85   86  #define IXGBE_STALL                     0x08
  86   87  #define IXGBE_OVERTEMP                  0x20
  87   88  #define IXGBE_INTR_ADJUST               0x40
  88   89  #define IXGBE_ERROR                     0x80
  89   90  
  90   91  #define MAX_NUM_UNICAST_ADDRESSES       0x80
  91   92  #define MAX_NUM_MULTICAST_ADDRESSES     0x1000
  92   93  #define IXGBE_INTR_NONE                 0
  93   94  #define IXGBE_INTR_MSIX                 1
  94   95  #define IXGBE_INTR_MSI                  2
  95   96  #define IXGBE_INTR_LEGACY               3
  96   97  
  97   98  #define IXGBE_POLL_NULL                 -1
  98   99  
  99  100  #define MAX_COOKIE                      18
 100  101  #define MIN_NUM_TX_DESC                 2
 101  102  
 102  103  #define IXGBE_TX_DESC_LIMIT             32      /* tx desc limitation   */
 103  104  
 104  105  #define IXGBE_ADAPTER_REGSET            1       /* map adapter registers */
 105  106  
 106  107  #define IXGBE_RX_STOPPED                0x1
 107  108  
 108  109  #define IXGBE_PKG_BUF_16k               16384
 109  110  
 110  111  /*
 111  112   * MAX_xx_QUEUE_NUM and MAX_INTR_VECTOR values need to be the maximum of all
 112  113   * supported silicon types.
 113  114   */
 114  115  #define MAX_TX_QUEUE_NUM                128
 115  116  #define MAX_RX_QUEUE_NUM                128
 116  117  #define MAX_INTR_VECTOR                 64
 117  118  
 118  119  /*
 119  120   * Maximum values for user configurable parameters
 120  121   */
 121  122  #define MAX_TX_RING_SIZE                4096
 122  123  #define MAX_RX_RING_SIZE                4096
 123  124  
 124  125  #define MAX_RX_LIMIT_PER_INTR           4096
 125  126  
 126  127  #define MAX_RX_COPY_THRESHOLD           9216
 127  128  #define MAX_TX_COPY_THRESHOLD           9216
 128  129  #define MAX_TX_RECYCLE_THRESHOLD        DEFAULT_TX_RING_SIZE
 129  130  #define MAX_TX_OVERLOAD_THRESHOLD       DEFAULT_TX_RING_SIZE
 130  131  #define MAX_TX_RESCHED_THRESHOLD        DEFAULT_TX_RING_SIZE
 131  132  
 132  133  /*
 133  134   * Minimum values for user configurable parameters
 134  135   */
 135  136  #define MIN_TX_RING_SIZE                64
 136  137  #define MIN_RX_RING_SIZE                64
 137  138  
 138  139  #define MIN_MTU                         ETHERMIN
 139  140  #define MIN_RX_LIMIT_PER_INTR           16
 140  141  #define MIN_TX_COPY_THRESHOLD           0
 141  142  #define MIN_RX_COPY_THRESHOLD           0
 142  143  #define MIN_TX_RECYCLE_THRESHOLD        MIN_NUM_TX_DESC
 143  144  #define MIN_TX_OVERLOAD_THRESHOLD       MIN_NUM_TX_DESC
 144  145  #define MIN_TX_RESCHED_THRESHOLD        MIN_NUM_TX_DESC
 145  146  
 146  147  /*
 147  148   * Default values for user configurable parameters
 148  149   */
 149  150  #define DEFAULT_TX_RING_SIZE            1024
 150  151  #define DEFAULT_RX_RING_SIZE            1024
 151  152  
 152  153  #define DEFAULT_MTU                     ETHERMTU
 153  154  #define DEFAULT_RX_LIMIT_PER_INTR       256
 154  155  #define DEFAULT_RX_COPY_THRESHOLD       128
 155  156  #define DEFAULT_TX_COPY_THRESHOLD       512
 156  157  #define DEFAULT_TX_RECYCLE_THRESHOLD    (MAX_COOKIE + 1)
 157  158  #define DEFAULT_TX_OVERLOAD_THRESHOLD   MIN_NUM_TX_DESC
 158  159  #define DEFAULT_TX_RESCHED_THRESHOLD    128
 159  160  #define DEFAULT_FCRTH                   0x20000
 160  161  #define DEFAULT_FCRTL                   0x10000
 161  162  #define DEFAULT_FCPAUSE                 0xFFFF
 162  163  
 163  164  #define DEFAULT_TX_HCKSUM_ENABLE        B_TRUE
 164  165  #define DEFAULT_RX_HCKSUM_ENABLE        B_TRUE
 165  166  #define DEFAULT_LSO_ENABLE              B_TRUE
 166  167  #define DEFAULT_LRO_ENABLE              B_FALSE
 167  168  #define DEFAULT_MR_ENABLE               B_TRUE
 168  169  #define DEFAULT_TX_HEAD_WB_ENABLE       B_TRUE
 169  170  #define DEFAULT_RELAX_ORDER_ENABLE      B_TRUE
 170  171  #define DEFAULT_ALLOW_UNSUPPORTED_SFP   B_FALSE
 171  172  
 172  173  #define IXGBE_LSO_MAXLEN                65535
 173  174  
 174  175  #define TX_DRAIN_TIME                   200
 175  176  #define RX_DRAIN_TIME                   200
 176  177  
 177  178  #define STALL_WATCHDOG_TIMEOUT          8       /* 8 seconds */
 178  179  #define MAX_LINK_DOWN_TIMEOUT           8       /* 8 seconds */
 179  180  
 180  181  #define IXGBE_CYCLIC_PERIOD             (1000000000)    /* 1s */
 181  182  
 182  183  /*
 183  184   * Extra register bit masks for 82598
 184  185   */
 185  186  #define IXGBE_PCS1GANA_FDC      0x20
 186  187  #define IXGBE_PCS1GANLP_LPFD    0x20
 187  188  #define IXGBE_PCS1GANLP_LPHD    0x40
 188  189  
 189  190  /*
 190  191   * Defined for IP header alignment.
 191  192   */
 192  193  #define IPHDR_ALIGN_ROOM                2
 193  194  
 194  195  /*
 195  196   * Bit flags for attach_progress
 196  197   */
 197  198  #define ATTACH_PROGRESS_PCI_CONFIG      0x0001  /* PCI config setup */
 198  199  #define ATTACH_PROGRESS_REGS_MAP        0x0002  /* Registers mapped */
 199  200  #define ATTACH_PROGRESS_PROPS           0x0004  /* Properties initialized */
 200  201  #define ATTACH_PROGRESS_ALLOC_INTR      0x0008  /* Interrupts allocated */
 201  202  #define ATTACH_PROGRESS_ALLOC_RINGS     0x0010  /* Rings allocated */
  
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 202  203  #define ATTACH_PROGRESS_ADD_INTR        0x0020  /* Intr handlers added */
 203  204  #define ATTACH_PROGRESS_LOCKS           0x0040  /* Locks initialized */
 204  205  #define ATTACH_PROGRESS_INIT            0x0080  /* Device initialized */
 205  206  #define ATTACH_PROGRESS_STATS           0x0200  /* Kstats created */
 206  207  #define ATTACH_PROGRESS_MAC             0x0800  /* MAC registered */
 207  208  #define ATTACH_PROGRESS_ENABLE_INTR     0x1000  /* DDI interrupts enabled */
 208  209  #define ATTACH_PROGRESS_FM_INIT         0x2000  /* FMA initialized */
 209  210  #define ATTACH_PROGRESS_SFP_TASKQ       0x4000  /* SFP taskq created */
 210  211  #define ATTACH_PROGRESS_LINK_TIMER      0x8000  /* link check timer */
 211  212  #define ATTACH_PROGRESS_OVERTEMP_TASKQ  0x10000 /* Over-temp taskq created */
      213 +#define ATTACH_PROGRESS_PHY_TASKQ       0x20000 /* Ext. PHY taskq created */
 212  214  
 213  215  #define PROP_DEFAULT_MTU                "default_mtu"
 214  216  #define PROP_FLOW_CONTROL               "flow_control"
 215  217  #define PROP_TX_QUEUE_NUM               "tx_queue_number"
 216  218  #define PROP_TX_RING_SIZE               "tx_ring_size"
 217  219  #define PROP_RX_QUEUE_NUM               "rx_queue_number"
 218  220  #define PROP_RX_RING_SIZE               "rx_ring_size"
 219  221  #define PROP_RX_GROUP_NUM               "rx_group_number"
 220  222  
 221  223  #define PROP_INTR_FORCE                 "intr_force"
 222  224  #define PROP_TX_HCKSUM_ENABLE           "tx_hcksum_enable"
 223  225  #define PROP_RX_HCKSUM_ENABLE           "rx_hcksum_enable"
 224  226  #define PROP_LSO_ENABLE                 "lso_enable"
 225  227  #define PROP_LRO_ENABLE                 "lro_enable"
 226  228  #define PROP_MR_ENABLE                  "mr_enable"
 227  229  #define PROP_RELAX_ORDER_ENABLE         "relax_order_enable"
 228  230  #define PROP_TX_HEAD_WB_ENABLE          "tx_head_wb_enable"
 229  231  #define PROP_TX_COPY_THRESHOLD          "tx_copy_threshold"
 230  232  #define PROP_TX_RECYCLE_THRESHOLD       "tx_recycle_threshold"
 231  233  #define PROP_TX_OVERLOAD_THRESHOLD      "tx_overload_threshold"
 232  234  #define PROP_TX_RESCHED_THRESHOLD       "tx_resched_threshold"
 233  235  #define PROP_RX_COPY_THRESHOLD          "rx_copy_threshold"
 234  236  #define PROP_RX_LIMIT_PER_INTR          "rx_limit_per_intr"
 235  237  #define PROP_INTR_THROTTLING            "intr_throttling"
 236  238  #define PROP_FM_CAPABLE                 "fm_capable"
 237  239  #define PROP_ALLOW_UNSUPPORTED_SFP      "allow_unsupported_sfp"
 238  240  
 239  241  #define IXGBE_LB_NONE                   0
 240  242  #define IXGBE_LB_EXTERNAL               1
 241  243  #define IXGBE_LB_INTERNAL_MAC           2
 242  244  #define IXGBE_LB_INTERNAL_PHY           3
 243  245  #define IXGBE_LB_INTERNAL_SERDES        4
 244  246  
 245  247  /*
 246  248   * capability/feature flags
 247  249   * Flags named _CAPABLE are set when the NIC hardware is capable of the feature.
 248  250   * Separately, the flag named _ENABLED is set when the feature is enabled.
 249  251   */
 250  252  #define IXGBE_FLAG_DCA_ENABLED          (u32)(1)
 251  253  #define IXGBE_FLAG_DCA_CAPABLE          (u32)(1 << 1)
 252  254  #define IXGBE_FLAG_DCB_ENABLED          (u32)(1 << 2)
 253  255  #define IXGBE_FLAG_DCB_CAPABLE          (u32)(1 << 4)
 254  256  #define IXGBE_FLAG_RSS_ENABLED          (u32)(1 << 4)
 255  257  #define IXGBE_FLAG_RSS_CAPABLE          (u32)(1 << 5)
 256  258  #define IXGBE_FLAG_VMDQ_CAPABLE         (u32)(1 << 6)
 257  259  #define IXGBE_FLAG_VMDQ_ENABLED         (u32)(1 << 7)
 258  260  #define IXGBE_FLAG_FAN_FAIL_CAPABLE     (u32)(1 << 8)
 259  261  #define IXGBE_FLAG_RSC_CAPABLE          (u32)(1 << 9)
 260  262  #define IXGBE_FLAG_SFP_PLUG_CAPABLE     (u32)(1 << 10)
 261  263  #define IXGBE_FLAG_TEMP_SENSOR_CAPABLE  (u32)(1 << 11)
 262  264  
 263  265  /*
 264  266   * Classification mode
 265  267   */
 266  268  #define IXGBE_CLASSIFY_NONE             0
 267  269  #define IXGBE_CLASSIFY_RSS              1
 268  270  #define IXGBE_CLASSIFY_VMDQ             2
 269  271  #define IXGBE_CLASSIFY_VMDQ_RSS         3
 270  272  
 271  273  /* adapter-specific info for each supported device type */
 272  274  typedef struct adapter_info {
 273  275          uint32_t        max_rx_que_num; /* maximum number of rx queues */
 274  276          uint32_t        min_rx_que_num; /* minimum number of rx queues */
 275  277          uint32_t        def_rx_que_num; /* default number of rx queues */
 276  278          uint32_t        max_rx_grp_num; /* maximum number of rx groups */
 277  279          uint32_t        min_rx_grp_num; /* minimum number of rx groups */
 278  280          uint32_t        def_rx_grp_num; /* default number of rx groups */
 279  281          uint32_t        max_tx_que_num; /* maximum number of tx queues */
 280  282          uint32_t        min_tx_que_num; /* minimum number of tx queues */
 281  283          uint32_t        def_tx_que_num; /* default number of tx queues */
 282  284          uint32_t        max_mtu;        /* maximum MTU size */
 283  285          /*
 284  286           * Interrupt throttling is in unit of 256 nsec
 285  287           */
 286  288          uint32_t        max_intr_throttle; /* maximum interrupt throttle */
 287  289          uint32_t        min_intr_throttle; /* minimum interrupt throttle */
 288  290          uint32_t        def_intr_throttle; /* default interrupt throttle */
 289  291  
 290  292          uint32_t        max_msix_vect;  /* maximum total msix vectors */
 291  293          uint32_t        max_ring_vect;  /* maximum number of ring vectors */
 292  294          uint32_t        max_other_vect; /* maximum number of other vectors */
 293  295          uint32_t        other_intr;     /* "other" interrupt types handled */
 294  296          uint32_t        other_gpie;     /* "other" interrupt types enabling */
 295  297          uint32_t        flags;          /* capability flags */
 296  298  } adapter_info_t;
 297  299  
 298  300  /* bits representing all interrupt types other than tx & rx */
 299  301  #define IXGBE_OTHER_INTR        0x3ff00000
 300  302  #define IXGBE_82599_OTHER_INTR  0x86100000
 301  303  
 302  304  enum ioc_reply {
 303  305          IOC_INVAL = -1, /* bad, NAK with EINVAL */
 304  306          IOC_DONE,       /* OK, reply sent */
 305  307          IOC_ACK,        /* OK, just send ACK */
 306  308          IOC_REPLY       /* OK, just send reply */
 307  309  };
 308  310  
 309  311  #define DMA_SYNC(area, flag)    ((void) ddi_dma_sync((area)->dma_handle, \
 310  312                                      0, 0, (flag)))
 311  313  
 312  314  /*
 313  315   * Defined for ring index operations
 314  316   * ASSERT(index < limit)
 315  317   * ASSERT(step < limit)
 316  318   * ASSERT(index1 < limit)
 317  319   * ASSERT(index2 < limit)
 318  320   */
 319  321  #define NEXT_INDEX(index, step, limit)  (((index) + (step)) < (limit) ? \
 320  322          (index) + (step) : (index) + (step) - (limit))
 321  323  #define PREV_INDEX(index, step, limit)  ((index) >= (step) ? \
 322  324          (index) - (step) : (index) + (limit) - (step))
 323  325  #define OFFSET(index1, index2, limit)   ((index1) <= (index2) ? \
 324  326          (index2) - (index1) : (index2) + (limit) - (index1))
 325  327  
 326  328  #define LINK_LIST_INIT(_LH)     \
 327  329          (_LH)->head = (_LH)->tail = NULL
 328  330  
 329  331  #define LIST_GET_HEAD(_LH)      ((single_link_t *)((_LH)->head))
 330  332  
 331  333  #define LIST_POP_HEAD(_LH)      \
 332  334          (single_link_t *)(_LH)->head; \
 333  335          { \
 334  336                  if ((_LH)->head != NULL) { \
 335  337                          (_LH)->head = (_LH)->head->link; \
 336  338                          if ((_LH)->head == NULL) \
 337  339                                  (_LH)->tail = NULL; \
 338  340                  } \
 339  341          }
 340  342  
 341  343  #define LIST_GET_TAIL(_LH)      ((single_link_t *)((_LH)->tail))
 342  344  
 343  345  #define LIST_PUSH_TAIL(_LH, _E) \
 344  346          if ((_LH)->tail != NULL) { \
 345  347                  (_LH)->tail->link = (single_link_t *)(_E); \
 346  348                  (_LH)->tail = (single_link_t *)(_E); \
 347  349          } else { \
 348  350                  (_LH)->head = (_LH)->tail = (single_link_t *)(_E); \
 349  351          } \
 350  352          (_E)->link = NULL;
 351  353  
 352  354  #define LIST_GET_NEXT(_LH, _E)          \
 353  355          (((_LH)->tail == (single_link_t *)(_E)) ? \
 354  356          NULL : ((single_link_t *)(_E))->link)
 355  357  
 356  358  
 357  359  typedef struct single_link {
 358  360          struct single_link      *link;
 359  361  } single_link_t;
 360  362  
 361  363  typedef struct link_list {
 362  364          single_link_t           *head;
 363  365          single_link_t           *tail;
 364  366  } link_list_t;
 365  367  
 366  368  /*
 367  369   * Property lookups
 368  370   */
 369  371  #define IXGBE_PROP_EXISTS(d, n) ddi_prop_exists(DDI_DEV_T_ANY, (d), \
 370  372                                      DDI_PROP_DONTPASS, (n))
 371  373  #define IXGBE_PROP_GET_INT(d, n)        ddi_prop_get_int(DDI_DEV_T_ANY, (d), \
 372  374                                      DDI_PROP_DONTPASS, (n), -1)
 373  375  
 374  376  
 375  377  typedef union ixgbe_ether_addr {
 376  378          struct {
 377  379                  uint32_t        high;
 378  380                  uint32_t        low;
 379  381          } reg;
 380  382          struct {
 381  383                  uint8_t         set;
 382  384                  uint8_t         group_index;
 383  385                  uint8_t         addr[ETHERADDRL];
 384  386          } mac;
 385  387  } ixgbe_ether_addr_t;
 386  388  
 387  389  typedef enum {
 388  390          USE_NONE,
 389  391          USE_COPY,
 390  392          USE_DMA
 391  393  } tx_type_t;
 392  394  
 393  395  typedef struct ixgbe_tx_context {
 394  396          uint32_t                hcksum_flags;
 395  397          uint32_t                ip_hdr_len;
 396  398          uint32_t                mac_hdr_len;
 397  399          uint32_t                l4_proto;
 398  400          uint32_t                mss;
 399  401          uint32_t                l4_hdr_len;
 400  402          boolean_t               lso_flag;
 401  403  } ixgbe_tx_context_t;
 402  404  
 403  405  /*
 404  406   * Hold address/length of each DMA segment
 405  407   */
 406  408  typedef struct sw_desc {
 407  409          uint64_t                address;
 408  410          size_t                  length;
 409  411  } sw_desc_t;
 410  412  
 411  413  /*
 412  414   * Handles and addresses of DMA buffer
 413  415   */
 414  416  typedef struct dma_buffer {
 415  417          caddr_t                 address;        /* Virtual address */
 416  418          uint64_t                dma_address;    /* DMA (Hardware) address */
 417  419          ddi_acc_handle_t        acc_handle;     /* Data access handle */
 418  420          ddi_dma_handle_t        dma_handle;     /* DMA handle */
 419  421          size_t                  size;           /* Buffer size */
 420  422          size_t                  len;            /* Data length in the buffer */
 421  423  } dma_buffer_t;
 422  424  
 423  425  /*
 424  426   * Tx Control Block
 425  427   */
 426  428  typedef struct tx_control_block {
 427  429          single_link_t           link;
 428  430          uint32_t                last_index; /* last descriptor of the pkt */
 429  431          uint32_t                frag_num;
 430  432          uint32_t                desc_num;
 431  433          mblk_t                  *mp;
 432  434          tx_type_t               tx_type;
 433  435          ddi_dma_handle_t        tx_dma_handle;
 434  436          dma_buffer_t            tx_buf;
 435  437          sw_desc_t               desc[MAX_COOKIE];
 436  438  } tx_control_block_t;
 437  439  
 438  440  /*
 439  441   * RX Control Block
 440  442   */
 441  443  typedef struct rx_control_block {
 442  444          mblk_t                  *mp;
 443  445          uint32_t                ref_cnt;
 444  446          dma_buffer_t            rx_buf;
 445  447          frtn_t                  free_rtn;
 446  448          struct ixgbe_rx_data    *rx_data;
 447  449          int                     lro_next;       /* Index of next rcb */
 448  450          int                     lro_prev;       /* Index of previous rcb */
 449  451          boolean_t               lro_pkt;        /* Flag for LRO rcb */
 450  452  } rx_control_block_t;
 451  453  
 452  454  /*
 453  455   * Software Data Structure for Tx Ring
 454  456   */
 455  457  typedef struct ixgbe_tx_ring {
 456  458          uint32_t                index;  /* Ring index */
 457  459          uint32_t                intr_vector;    /* Interrupt vector index */
 458  460          uint32_t                vect_bit;       /* vector's bit in register */
 459  461  
 460  462          /*
 461  463           * Mutexes
 462  464           */
 463  465          kmutex_t                tx_lock;
 464  466          kmutex_t                recycle_lock;
 465  467          kmutex_t                tcb_head_lock;
 466  468          kmutex_t                tcb_tail_lock;
 467  469  
 468  470          /*
 469  471           * Tx descriptor ring definitions
 470  472           */
 471  473          dma_buffer_t            tbd_area;
 472  474          union ixgbe_adv_tx_desc *tbd_ring;
 473  475          uint32_t                tbd_head; /* Index of next tbd to recycle */
 474  476          uint32_t                tbd_tail; /* Index of next tbd to transmit */
 475  477          uint32_t                tbd_free; /* Number of free tbd */
 476  478  
 477  479          /*
 478  480           * Tx control block list definitions
 479  481           */
 480  482          tx_control_block_t      *tcb_area;
 481  483          tx_control_block_t      **work_list;
 482  484          tx_control_block_t      **free_list;
 483  485          uint32_t                tcb_head; /* Head index of free list */
 484  486          uint32_t                tcb_tail; /* Tail index of free list */
 485  487          uint32_t                tcb_free; /* Number of free tcb in free list */
 486  488  
 487  489          uint32_t                *tbd_head_wb; /* Head write-back */
 488  490          uint32_t                (*tx_recycle)(struct ixgbe_tx_ring *);
 489  491  
 490  492          /*
 491  493           * s/w context structure for TCP/UDP checksum offload
 492  494           * and LSO.
 493  495           */
 494  496          ixgbe_tx_context_t      tx_context;
 495  497  
 496  498          /*
 497  499           * Tx ring settings and status
 498  500           */
 499  501          uint32_t                ring_size; /* Tx descriptor ring size */
 500  502          uint32_t                free_list_size; /* Tx free list size */
 501  503  
 502  504          boolean_t               reschedule;
 503  505          uint32_t                recycle_fail;
 504  506          uint32_t                stall_watchdog;
 505  507  
 506  508  #ifdef IXGBE_DEBUG
 507  509          /*
 508  510           * Debug statistics
 509  511           */
 510  512          uint32_t                stat_overload;
 511  513          uint32_t                stat_fail_no_tbd;
 512  514          uint32_t                stat_fail_no_tcb;
 513  515          uint32_t                stat_fail_dma_bind;
 514  516          uint32_t                stat_reschedule;
 515  517          uint32_t                stat_break_tbd_limit;
 516  518          uint32_t                stat_lso_header_fail;
 517  519  #endif
 518  520          uint64_t                stat_obytes;
 519  521          uint64_t                stat_opackets;
 520  522  
 521  523          mac_ring_handle_t       ring_handle;
 522  524  
 523  525          /*
 524  526           * Pointer to the ixgbe struct
 525  527           */
 526  528          struct ixgbe            *ixgbe;
 527  529  } ixgbe_tx_ring_t;
 528  530  
 529  531  /*
 530  532   * Software Receive Ring
 531  533   */
 532  534  typedef struct ixgbe_rx_data {
 533  535          kmutex_t                recycle_lock;   /* Recycle lock, for rcb_tail */
 534  536  
 535  537          /*
 536  538           * Rx descriptor ring definitions
 537  539           */
 538  540          dma_buffer_t            rbd_area;       /* DMA buffer of rx desc ring */
 539  541          union ixgbe_adv_rx_desc *rbd_ring;      /* Rx desc ring */
 540  542          uint32_t                rbd_next;       /* Index of next rx desc */
 541  543  
 542  544          /*
 543  545           * Rx control block list definitions
 544  546           */
 545  547          rx_control_block_t      *rcb_area;
 546  548          rx_control_block_t      **work_list;    /* Work list of rcbs */
 547  549          rx_control_block_t      **free_list;    /* Free list of rcbs */
 548  550          uint32_t                rcb_head;       /* Index of next free rcb */
 549  551          uint32_t                rcb_tail;       /* Index to put recycled rcb */
 550  552          uint32_t                rcb_free;       /* Number of free rcbs */
 551  553  
 552  554          /*
 553  555           * Rx sw ring settings and status
 554  556           */
 555  557          uint32_t                ring_size;      /* Rx descriptor ring size */
 556  558          uint32_t                free_list_size; /* Rx free list size */
 557  559  
 558  560          uint32_t                rcb_pending;
 559  561          uint32_t                flag;
 560  562  
 561  563          uint32_t                lro_num;        /* Number of rcbs of one LRO */
 562  564          uint32_t                lro_first;      /* Index of first LRO rcb */
 563  565  
 564  566          struct ixgbe_rx_ring    *rx_ring;       /* Pointer to rx ring */
 565  567  } ixgbe_rx_data_t;
 566  568  
 567  569  /*
 568  570   * Software Data Structure for Rx Ring
 569  571   */
 570  572  typedef struct ixgbe_rx_ring {
 571  573          uint32_t                index;          /* Ring index */
 572  574          uint32_t                group_index;    /* Group index */
 573  575          uint32_t                hw_index;       /* h/w ring index */
 574  576          uint32_t                intr_vector;    /* Interrupt vector index */
 575  577          uint32_t                vect_bit;       /* vector's bit in register */
 576  578  
 577  579          ixgbe_rx_data_t         *rx_data;       /* Rx software ring */
 578  580  
 579  581          kmutex_t                rx_lock;        /* Rx access lock */
 580  582  
 581  583  #ifdef IXGBE_DEBUG
 582  584          /*
 583  585           * Debug statistics
 584  586           */
 585  587          uint32_t                stat_frame_error;
 586  588          uint32_t                stat_cksum_error;
 587  589          uint32_t                stat_exceed_pkt;
 588  590  #endif
 589  591          uint64_t                stat_rbytes;
 590  592          uint64_t                stat_ipackets;
 591  593  
 592  594          mac_ring_handle_t       ring_handle;
 593  595          uint64_t                ring_gen_num;
 594  596  
 595  597          struct ixgbe            *ixgbe;         /* Pointer to ixgbe struct */
 596  598  } ixgbe_rx_ring_t;
 597  599  /*
 598  600   * Software Receive Ring Group
 599  601   */
 600  602  typedef struct ixgbe_rx_group {
 601  603          uint32_t                index;          /* Group index */
 602  604          mac_group_handle_t      group_handle;   /* call back group handle */
 603  605          struct ixgbe            *ixgbe;         /* Pointer to ixgbe struct */
 604  606  } ixgbe_rx_group_t;
 605  607  
 606  608  /*
 607  609   * structure to map interrupt cleanup to msi-x vector
 608  610   */
 609  611  typedef struct ixgbe_intr_vector {
 610  612          struct ixgbe *ixgbe;    /* point to my adapter */
 611  613          ulong_t rx_map[BT_BITOUL(MAX_RX_QUEUE_NUM)];    /* bitmap of rx rings */
 612  614          int     rxr_cnt;        /* count rx rings */
 613  615          ulong_t tx_map[BT_BITOUL(MAX_TX_QUEUE_NUM)];    /* bitmap of tx rings */
 614  616          int     txr_cnt;        /* count tx rings */
 615  617          ulong_t other_map[BT_BITOUL(2)];                /* bitmap of other */
 616  618          int     other_cnt;      /* count other interrupt */
 617  619  } ixgbe_intr_vector_t;
 618  620  
 619  621  /*
 620  622   * Software adapter state
 621  623   */
  
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 622  624  typedef struct ixgbe {
 623  625          int                     instance;
 624  626          mac_handle_t            mac_hdl;
 625  627          dev_info_t              *dip;
 626  628          struct ixgbe_hw         hw;
 627  629          struct ixgbe_osdep      osdep;
 628  630  
 629  631          adapter_info_t          *capab; /* adapter hardware capabilities */
 630  632          ddi_taskq_t             *sfp_taskq;     /* sfp-change taskq */
 631  633          ddi_taskq_t             *overtemp_taskq; /* overtemp taskq */
      634 +        ddi_taskq_t             *phy_taskq;     /* external PHY taskq */
 632  635          uint32_t                eims;           /* interrupt mask setting */
 633  636          uint32_t                eimc;           /* interrupt mask clear */
 634  637          uint32_t                eicr;           /* interrupt cause reg */
 635  638  
 636  639          uint32_t                ixgbe_state;
 637  640          link_state_t            link_state;
 638  641          uint32_t                link_speed;
 639  642          uint32_t                link_duplex;
 640  643  
 641  644          uint32_t                reset_count;
 642  645          uint32_t                attach_progress;
 643  646          uint32_t                loopback_mode;
 644  647          uint32_t                default_mtu;
 645  648          uint32_t                max_frame_size;
      649 +        ixgbe_link_speed        speeds_supported;
 646  650  
 647  651          uint32_t                rcb_pending;
 648  652  
 649  653          /*
 650  654           * Each msi-x vector: map vector to interrupt cleanup
 651  655           */
 652  656          ixgbe_intr_vector_t     vect_map[MAX_INTR_VECTOR];
 653  657  
 654  658          /*
 655  659           * Receive Rings
 656  660           */
 657  661          ixgbe_rx_ring_t         *rx_rings;      /* Array of rx rings */
 658  662          uint32_t                num_rx_rings;   /* Number of rx rings in use */
 659  663          uint32_t                rx_ring_size;   /* Rx descriptor ring size */
 660  664          uint32_t                rx_buf_size;    /* Rx buffer size */
 661  665          boolean_t               lro_enable;     /* Large Receive Offload */
 662  666          uint64_t                lro_pkt_count;  /* LRO packet count */
 663  667          /*
 664  668           * Receive Groups
 665  669           */
 666  670          ixgbe_rx_group_t        *rx_groups;     /* Array of rx groups */
 667  671          uint32_t                num_rx_groups;  /* Number of rx groups in use */
 668  672  
 669  673          /*
 670  674           * Transmit Rings
 671  675           */
 672  676          ixgbe_tx_ring_t         *tx_rings;      /* Array of tx rings */
 673  677          uint32_t                num_tx_rings;   /* Number of tx rings in use */
 674  678          uint32_t                tx_ring_size;   /* Tx descriptor ring size */
 675  679          uint32_t                tx_buf_size;    /* Tx buffer size */
 676  680  
 677  681          boolean_t               tx_ring_init;
 678  682          boolean_t               tx_head_wb_enable; /* Tx head wrtie-back */
 679  683          boolean_t               tx_hcksum_enable; /* Tx h/w cksum offload */
 680  684          boolean_t               lso_enable;     /* Large Segment Offload */
 681  685          boolean_t               mr_enable;      /* Multiple Tx and Rx Ring */
 682  686          boolean_t               relax_order_enable; /* Relax Order */
 683  687          uint32_t                classify_mode;  /* Classification mode */
 684  688          uint32_t                tx_copy_thresh; /* Tx copy threshold */
 685  689          uint32_t                tx_recycle_thresh; /* Tx recycle threshold */
 686  690          uint32_t                tx_overload_thresh; /* Tx overload threshold */
 687  691          uint32_t                tx_resched_thresh; /* Tx reschedule threshold */
 688  692          boolean_t               rx_hcksum_enable; /* Rx h/w cksum offload */
 689  693          uint32_t                rx_copy_thresh; /* Rx copy threshold */
 690  694          uint32_t                rx_limit_per_intr; /* Rx pkts per interrupt */
 691  695          uint32_t                intr_throttling[MAX_INTR_VECTOR];
 692  696          uint32_t                intr_force;
 693  697          int                     fm_capabilities; /* FMA capabilities */
 694  698  
 695  699          int                     intr_type;
 696  700          int                     intr_cnt;
 697  701          uint32_t                intr_cnt_max;
 698  702          uint32_t                intr_cnt_min;
 699  703          int                     intr_cap;
 700  704          size_t                  intr_size;
 701  705          uint_t                  intr_pri;
 702  706          ddi_intr_handle_t       *htable;
 703  707          uint32_t                eims_mask;
 704  708          ddi_cb_handle_t         cb_hdl;         /* Interrupt callback handle */
 705  709  
 706  710          kmutex_t                gen_lock; /* General lock for device access */
 707  711          kmutex_t                watchdog_lock;
 708  712          kmutex_t                rx_pending_lock;
 709  713  
 710  714          boolean_t               watchdog_enable;
 711  715          boolean_t               watchdog_start;
 712  716          timeout_id_t            watchdog_tid;
 713  717  
 714  718          boolean_t               unicst_init;
 715  719          uint32_t                unicst_avail;
 716  720          uint32_t                unicst_total;
 717  721          ixgbe_ether_addr_t      unicst_addr[MAX_NUM_UNICAST_ADDRESSES];
 718  722          uint32_t                mcast_count;
 719  723          struct ether_addr       mcast_table[MAX_NUM_MULTICAST_ADDRESSES];
 720  724  
 721  725          ulong_t                 sys_page_size;
 722  726  
  
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 723  727          boolean_t               link_check_complete;
 724  728          hrtime_t                link_check_hrtime;
 725  729          ddi_periodic_t          periodic_id; /* for link check timer func */
 726  730  
 727  731          /*
 728  732           * Kstat definitions
 729  733           */
 730  734          kstat_t                 *ixgbe_ks;
 731  735  
 732  736          uint32_t                param_en_10000fdx_cap:1,
      737 +                                param_en_5000fdx_cap:1,
      738 +                                param_en_2500fdx_cap:1,
 733  739                                  param_en_1000fdx_cap:1,
 734  740                                  param_en_100fdx_cap:1,
 735  741                                  param_adv_10000fdx_cap:1,
      742 +                                param_adv_5000fdx_cap:1,
      743 +                                param_adv_2500fdx_cap:1,
 736  744                                  param_adv_1000fdx_cap:1,
 737  745                                  param_adv_100fdx_cap:1,
 738  746                                  param_pause_cap:1,
 739  747                                  param_asym_pause_cap:1,
 740  748                                  param_rem_fault:1,
 741  749                                  param_adv_autoneg_cap:1,
 742  750                                  param_adv_pause_cap:1,
 743  751                                  param_adv_asym_pause_cap:1,
 744  752                                  param_adv_rem_fault:1,
 745  753                                  param_lp_10000fdx_cap:1,
      754 +                                param_lp_5000fdx_cap:1,
      755 +                                param_lp_2500fdx_cap:1,
 746  756                                  param_lp_1000fdx_cap:1,
 747  757                                  param_lp_100fdx_cap:1,
 748  758                                  param_lp_autoneg_cap:1,
 749  759                                  param_lp_pause_cap:1,
 750  760                                  param_lp_asym_pause_cap:1,
 751  761                                  param_lp_rem_fault:1,
 752      -                                param_pad_to_32:12;
      762 +                                param_pad_to_32:6;
 753  763  } ixgbe_t;
 754  764  
 755  765  typedef struct ixgbe_stat {
 756  766          kstat_named_t link_speed;       /* Link Speed */
 757  767  
 758  768          kstat_named_t reset_count;      /* Reset Count */
 759  769  
 760  770          kstat_named_t rx_frame_error;   /* Rx Error in Packet */
 761  771          kstat_named_t rx_cksum_error;   /* Rx Checksum Error */
 762  772          kstat_named_t rx_exceed_pkt;    /* Rx Exceed Max Pkt Count */
 763  773  
 764  774          kstat_named_t tx_overload;      /* Tx Desc Ring Overload */
 765  775          kstat_named_t tx_fail_no_tcb;   /* Tx Fail Freelist Empty */
 766  776          kstat_named_t tx_fail_no_tbd;   /* Tx Fail Desc Ring Empty */
 767  777          kstat_named_t tx_fail_dma_bind; /* Tx Fail DMA bind */
 768  778          kstat_named_t tx_reschedule;    /* Tx Reschedule */
 769  779  
 770  780          kstat_named_t gprc;     /* Good Packets Received Count */
 771  781          kstat_named_t gptc;     /* Good Packets Xmitted Count */
 772  782          kstat_named_t gor;      /* Good Octets Received Count */
 773  783          kstat_named_t got;      /* Good Octets Xmitd Count */
 774  784          kstat_named_t prc64;    /* Packets Received - 64b */
 775  785          kstat_named_t prc127;   /* Packets Received - 65-127b */
 776  786          kstat_named_t prc255;   /* Packets Received - 127-255b */
 777  787          kstat_named_t prc511;   /* Packets Received - 256-511b */
 778  788          kstat_named_t prc1023;  /* Packets Received - 511-1023b */
 779  789          kstat_named_t prc1522;  /* Packets Received - 1024-1522b */
 780  790          kstat_named_t ptc64;    /* Packets Xmitted (64b) */
 781  791          kstat_named_t ptc127;   /* Packets Xmitted (64-127b) */
 782  792          kstat_named_t ptc255;   /* Packets Xmitted (128-255b) */
 783  793          kstat_named_t ptc511;   /* Packets Xmitted (255-511b) */
 784  794          kstat_named_t ptc1023;  /* Packets Xmitted (512-1023b) */
 785  795          kstat_named_t ptc1522;  /* Packets Xmitted (1024-1522b */
 786  796          kstat_named_t qprc[16]; /* Queue Packets Received Count */
 787  797          kstat_named_t qptc[16]; /* Queue Packets Transmitted Count */
 788  798          kstat_named_t qbrc[16]; /* Queue Bytes Received Count */
 789  799          kstat_named_t qbtc[16]; /* Queue Bytes Transmitted Count */
 790  800  
 791  801          kstat_named_t crcerrs;  /* CRC Error Count */
 792  802          kstat_named_t illerrc;  /* Illegal Byte Error Count */
 793  803          kstat_named_t errbc;    /* Error Byte Count */
 794  804          kstat_named_t mspdc;    /* MAC Short Packet Discard Count */
 795  805          kstat_named_t mpc;      /* Missed Packets Count */
 796  806          kstat_named_t mlfc;     /* MAC Local Fault Count */
 797  807          kstat_named_t mrfc;     /* MAC Remote Fault Count */
 798  808          kstat_named_t rlec;     /* Receive Length Error Count */
 799  809          kstat_named_t lxontxc;  /* Link XON Transmitted Count */
 800  810          kstat_named_t lxonrxc;  /* Link XON Received Count */
 801  811          kstat_named_t lxofftxc; /* Link XOFF Transmitted Count */
 802  812          kstat_named_t lxoffrxc; /* Link XOFF Received Count */
 803  813          kstat_named_t bprc;     /* Broadcasts Pkts Received Count */
 804  814          kstat_named_t mprc;     /* Multicast Pkts Received Count */
 805  815          kstat_named_t rnbc;     /* Receive No Buffers Count */
 806  816          kstat_named_t ruc;      /* Receive Undersize Count */
 807  817          kstat_named_t rfc;      /* Receive Frag Count */
 808  818          kstat_named_t roc;      /* Receive Oversize Count */
 809  819          kstat_named_t rjc;      /* Receive Jabber Count */
 810  820          kstat_named_t tor;      /* Total Octets Recvd Count */
 811  821          kstat_named_t tot;      /* Total Octets Xmitted Count */
 812  822          kstat_named_t tpr;      /* Total Packets Received */
 813  823          kstat_named_t tpt;      /* Total Packets Xmitted */
 814  824          kstat_named_t mptc;     /* Multicast Packets Xmited Count */
 815  825          kstat_named_t bptc;     /* Broadcast Packets Xmited Count */
 816  826          kstat_named_t lroc;     /* LRO Packets Received Count */
 817  827  } ixgbe_stat_t;
 818  828  
 819  829  /*
 820  830   * Function prototypes in ixgbe_buf.c
 821  831   */
 822  832  int ixgbe_alloc_dma(ixgbe_t *);
 823  833  void ixgbe_free_dma(ixgbe_t *);
 824  834  void ixgbe_set_fma_flags(int);
 825  835  void ixgbe_free_dma_buffer(dma_buffer_t *);
 826  836  int ixgbe_alloc_rx_ring_data(ixgbe_rx_ring_t *rx_ring);
 827  837  void ixgbe_free_rx_ring_data(ixgbe_rx_data_t *rx_data);
 828  838  
 829  839  /*
 830  840   * Function prototypes in ixgbe_main.c
 831  841   */
 832  842  int ixgbe_start(ixgbe_t *, boolean_t);
 833  843  void ixgbe_stop(ixgbe_t *, boolean_t);
 834  844  int ixgbe_driver_setup_link(ixgbe_t *, boolean_t);
 835  845  int ixgbe_multicst_add(ixgbe_t *, const uint8_t *);
 836  846  int ixgbe_multicst_remove(ixgbe_t *, const uint8_t *);
 837  847  enum ioc_reply ixgbe_loopback_ioctl(ixgbe_t *, struct iocblk *, mblk_t *);
 838  848  
 839  849  void ixgbe_enable_watchdog_timer(ixgbe_t *);
 840  850  void ixgbe_disable_watchdog_timer(ixgbe_t *);
 841  851  int ixgbe_atomic_reserve(uint32_t *, uint32_t);
 842  852  
 843  853  int ixgbe_check_acc_handle(ddi_acc_handle_t handle);
 844  854  int ixgbe_check_dma_handle(ddi_dma_handle_t handle);
 845  855  void ixgbe_fm_ereport(ixgbe_t *, char *);
 846  856  
 847  857  void ixgbe_fill_ring(void *, mac_ring_type_t, const int, const int,
 848  858      mac_ring_info_t *, mac_ring_handle_t);
 849  859  void ixgbe_fill_group(void *arg, mac_ring_type_t, const int,
 850  860      mac_group_info_t *, mac_group_handle_t);
 851  861  int ixgbe_rx_ring_intr_enable(mac_intr_handle_t);
 852  862  int ixgbe_rx_ring_intr_disable(mac_intr_handle_t);
 853  863  
 854  864  /*
 855  865   * Function prototypes in ixgbe_gld.c
 856  866   */
 857  867  int ixgbe_m_start(void *);
 858  868  void ixgbe_m_stop(void *);
 859  869  int ixgbe_m_promisc(void *, boolean_t);
 860  870  int ixgbe_m_multicst(void *, boolean_t, const uint8_t *);
 861  871  void ixgbe_m_resources(void *);
 862  872  void ixgbe_m_ioctl(void *, queue_t *, mblk_t *);
 863  873  boolean_t ixgbe_m_getcapab(void *, mac_capab_t, void *);
 864  874  int ixgbe_m_setprop(void *, const char *, mac_prop_id_t, uint_t, const void *);
 865  875  int ixgbe_m_getprop(void *, const char *, mac_prop_id_t, uint_t, void *);
 866  876  void ixgbe_m_propinfo(void *, const char *, mac_prop_id_t,
 867  877      mac_prop_info_handle_t);
 868  878  int ixgbe_set_priv_prop(ixgbe_t *, const char *, uint_t, const void *);
 869  879  int ixgbe_get_priv_prop(ixgbe_t *, const char *, uint_t, void *);
 870  880  boolean_t ixgbe_param_locked(mac_prop_id_t);
 871  881  
 872  882  /*
 873  883   * Function prototypes in ixgbe_rx.c
 874  884   */
 875  885  mblk_t *ixgbe_ring_rx(ixgbe_rx_ring_t *, int);
 876  886  void ixgbe_rx_recycle(caddr_t arg);
 877  887  mblk_t *ixgbe_ring_rx_poll(void *, int);
 878  888  
 879  889  /*
 880  890   * Function prototypes in ixgbe_tx.c
 881  891   */
 882  892  mblk_t *ixgbe_ring_tx(void *, mblk_t *);
 883  893  void ixgbe_free_tcb(tx_control_block_t *);
 884  894  void ixgbe_put_free_list(ixgbe_tx_ring_t *, link_list_t *);
 885  895  uint32_t ixgbe_tx_recycle_legacy(ixgbe_tx_ring_t *);
 886  896  uint32_t ixgbe_tx_recycle_head_wb(ixgbe_tx_ring_t *);
 887  897  
 888  898  /*
 889  899   * Function prototypes in ixgbe_log.c
 890  900   */
 891  901  void ixgbe_notice(void *, const char *, ...);
 892  902  void ixgbe_log(void *, const char *, ...);
 893  903  void ixgbe_error(void *, const char *, ...);
 894  904  
 895  905  /*
 896  906   * Function prototypes in ixgbe_stat.c
 897  907   */
 898  908  int ixgbe_init_stats(ixgbe_t *);
 899  909  int ixgbe_m_stat(void *, uint_t, uint64_t *);
 900  910  int ixgbe_rx_ring_stat(mac_ring_driver_t, uint_t, uint64_t *);
 901  911  int ixgbe_tx_ring_stat(mac_ring_driver_t, uint_t, uint64_t *);
 902  912  
 903  913  #ifdef __cplusplus
 904  914  }
 905  915  #endif
 906  916  
 907  917  #endif /* _IXGBE_SW_H */
  
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