include/sys/mac_provider.h

   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) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
  24  */
  25
  26 #ifndef _SYS_MAC_PROVIDER_H
  27 #define _SYS_MAC_PROVIDER_H
  28
  29 #include <sys/types.h>
  30 #include <sys/ddi.h>
  31 #include <sys/sunddi.h>
  32 #include <sys/stream.h>
  33 #include <sys/mkdev.h>
  34 #include <sys/mac.h>
  35 #include <sys/mac_flow.h>
  36
  37 /*
  38  * MAC Provider Interface
  39  */
  40
  41 #ifdef  __cplusplus
  42 extern "C" {
  43 #endif
  44
  45 /*
  46  * MAC version identifiers. Drivers compiled against the stable V1 version
  47  * of the API should register with MAC_VERSION_V1. ON drivers should use
  48  * MAC_VERSION. This is used by mac_alloc() mac_register() to
  49  * verify that incompatible drivers don't register.
  50  */
  51 #define MAC_VERSION_V1  0x1
  52 #define MAC_VERSION     MAC_VERSION_V1
  53
  54 /*
  55  * Possible values for ETHER_STAT_XCVR_INUSE statistic.
  56  */
  57
  58 #define XCVR_UNDEFINED          0
  59 #define XCVR_NONE               1
  60 #define XCVR_10                 2
  61 #define XCVR_100T4              3
  62 #define XCVR_100X               4
  63 #define XCVR_100T2              5
  64 #define XCVR_1000X              6
  65 #define XCVR_1000T              7
  66
  67 #ifdef  _KERNEL
  68
  69 /*
  70  * Definitions for MAC Drivers Capabilities
  71  */
  72 /*
  73  * MAC layer capabilities.  These capabilities are handled by the drivers'
  74  * mc_capab_get() callbacks.  Some capabilities require the driver to fill
  75  * in a given data structure, and others are simply boolean capabilities.
  76  * Note that capability values must be powers of 2 so that consumers and
  77  * providers of this interface can keep track of which capabilities they
  78  * care about by keeping a bitfield of these things around somewhere.
  79  */
  80 typedef enum {
  81         /*
  82          * Public Capabilities (MAC_VERSION_V1)
  83          */
  84         MAC_CAPAB_HCKSUM        = 0x00000001, /* data is a uint32_t */
  85         MAC_CAPAB_LSO           = 0x00000008, /* data is mac_capab_lso_t */
  86
  87         /*
  88          * Reserved capabilities, do not use
  89          */
  90         MAC_CAPAB_RESERVED1     = 0x00000002,
  91         MAC_CAPAB_RESERVED2     = 0x00000004,
  92
  93         /*
  94          * Private driver capabilities
  95          */
  96         MAC_CAPAB_RINGS         = 0x00000010, /* data is mac_capab_rings_t */
  97         MAC_CAPAB_SHARES        = 0x00000020, /* data is mac_capab_share_t */
  98         MAC_CAPAB_MULTIFACTADDR = 0x00000040, /* mac_data_multifactaddr_t */
  99
 100         /*
 101          * Private driver capabilities for use by the GLDv3 framework only
 102          */
 103         MAC_CAPAB_VNIC          = 0x00010000, /* data is mac_capab_vnic_t */
 104         MAC_CAPAB_ANCHOR_VNIC   = 0x00020000, /* boolean only, no data */
 105         MAC_CAPAB_AGGR          = 0x00040000, /* data is mac_capab_aggr_t */
 106         MAC_CAPAB_NO_NATIVEVLAN = 0x00080000, /* boolean only, no data */
 107         MAC_CAPAB_NO_ZCOPY      = 0x00100000, /* boolean only, no data */
 108         MAC_CAPAB_LEGACY        = 0x00200000, /* data is mac_capab_legacy_t */
 109         MAC_CAPAB_VRRP          = 0x00400000  /* data is mac_capab_vrrp_t */
 110 } mac_capab_t;
 111
 112 /*
 113  * LSO capability
 114  */
 115 typedef struct lso_basic_tcp_ipv4_s {
 116         t_uscalar_t     lso_max;                /* maximum payload */
 117 } lso_basic_tcp_ipv4_t;
 118
 119 /*
 120  * Currently supported flags for LSO.
 121  */
 122 #define LSO_TX_BASIC_TCP_IPV4   0x01            /* TCP LSO capability */
 123
 124 /*
 125  * Future LSO capabilities can be added at the end of the mac_capab_lso_t.
 126  * When such capability is added to the GLDv3 framework, the size of the
 127  * mac_capab_lso_t it allocates and passes to the drivers increases. Older
 128  * drivers wil access only the (upper) sections of that structure, that is the
 129  * sections carrying the capabilities they understand. This ensures the
 130  * interface can be safely extended in a binary compatible way.
 131  */
 132 typedef struct mac_capab_lso_s {
 133         t_uscalar_t             lso_flags;
 134         lso_basic_tcp_ipv4_t    lso_basic_tcp_ipv4;
 135         /* Add future lso capabilities here */
 136 } mac_capab_lso_t;
 137
 138 /*
 139  * Multiple Factory MAC Addresses Capability
 140  */
 141 typedef struct mac_capab_multifactaddr_s {
 142         /*
 143          * Number of factory addresses
 144          */
 145         uint_t          mcm_naddr;
 146
 147         /*
 148          * Callbacks to query all the factory addresses.
 149          */
 150         void            (*mcm_getaddr)(void *, uint_t, uint8_t *);
 151 } mac_capab_multifactaddr_t;
 152
 153 /*
 154  * Info and callbacks of legacy devices.
 155  */
 156 typedef struct mac_capab_legacy_s {
 157         /*
 158          * Notifications that the legacy device does not support.
 159          */
 160         uint32_t        ml_unsup_note;
 161         /*
 162          * dev_t of the legacy device; can be held to force attach.
 163          */
 164         dev_t           ml_dev;
 165         boolean_t       (*ml_active_set)(void *);
 166         void            (*ml_active_clear)(void *);
 167         int             (*ml_fastpath_disable)(void *);
 168         void            (*ml_fastpath_enable)(void *);
 169 } mac_capab_legacy_t;
 170
 171 typedef struct __mac_prop_info_handle *mac_prop_info_handle_t;
 172
 173 /*
 174  * MAC driver entry point types.
 175  */
 176 typedef int             (*mac_getstat_t)(void *, uint_t, uint64_t *);
 177 typedef int             (*mac_start_t)(void *);
 178 typedef void            (*mac_stop_t)(void *);
 179 typedef int             (*mac_setpromisc_t)(void *, boolean_t);
 180 typedef int             (*mac_multicst_t)(void *, boolean_t, const uint8_t *);
 181 typedef int             (*mac_unicst_t)(void *, const uint8_t *);
 182 typedef void            (*mac_ioctl_t)(void *, queue_t *, mblk_t *);
 183 typedef void            (*mac_resources_t)(void *);
 184 typedef mblk_t          *(*mac_tx_t)(void *, mblk_t *);
 185 typedef boolean_t       (*mac_getcapab_t)(void *, mac_capab_t, void *);
 186 typedef int             (*mac_open_t)(void *);
 187 typedef void            (*mac_close_t)(void *);
 188 typedef int             (*mac_set_prop_t)(void *, const char *, mac_prop_id_t,
 189                             uint_t, const void *);
 190 typedef int             (*mac_get_prop_t)(void *, const char *, mac_prop_id_t,
 191                             uint_t, void *);
 192 typedef void            (*mac_prop_info_t)(void *, const char *, mac_prop_id_t,
 193                             mac_prop_info_handle_t);
 194
 195 /*
 196  * Driver callbacks. The following capabilities are optional, and if
 197  * implemented by the driver, must have a corresponding MC_ flag set
 198  * in the mc_callbacks field.
 199  *
 200  * Any future additions to this list must also be accompanied by an
 201  * associated mc_callbacks flag so that the framework can grow without
 202  * affecting the binary compatibility of the interface.
 203  */
 204 typedef struct mac_callbacks_s {
 205         uint_t          mc_callbacks;   /* Denotes which callbacks are set */
 206         mac_getstat_t   mc_getstat;     /* Get the value of a statistic */
 207         mac_start_t     mc_start;       /* Start the device */
 208         mac_stop_t      mc_stop;        /* Stop the device */
 209         mac_setpromisc_t mc_setpromisc; /* Enable or disable promiscuous mode */
 210         mac_multicst_t  mc_multicst;    /* Enable or disable a multicast addr */
 211         mac_unicst_t    mc_unicst;      /* Set the unicast MAC address */
 212         mac_tx_t        mc_tx;          /* Transmit a packet */
 213         void            *mc_reserved;   /* Reserved, do not use */
 214         mac_ioctl_t     mc_ioctl;       /* Process an unknown ioctl */
 215         mac_getcapab_t  mc_getcapab;    /* Get capability information */
 216         mac_open_t      mc_open;        /* Open the device */
 217         mac_close_t     mc_close;       /* Close the device */
 218         mac_set_prop_t  mc_setprop;
 219         mac_get_prop_t  mc_getprop;
 220         mac_prop_info_t mc_propinfo;
 221 } mac_callbacks_t;
 222
 223 /*
 224  * Flags for mc_callbacks.  Requiring drivers to set the flags associated
 225  * with optional callbacks initialized in the structure allows the mac
 226  * module to add optional callbacks in the future without requiring drivers
 227  * to recompile.
 228  */
 229 #define MC_RESERVED     0x0001
 230 #define MC_IOCTL        0x0002
 231 #define MC_GETCAPAB     0x0004
 232 #define MC_OPEN         0x0008
 233 #define MC_CLOSE        0x0010
 234 #define MC_SETPROP      0x0020
 235 #define MC_GETPROP      0x0040
 236 #define MC_PROPINFO     0x0080
 237 #define MC_PROPERTIES   (MC_SETPROP | MC_GETPROP | MC_PROPINFO)
 238
 239 /*
 240  * Virtualization Capabilities
 241  */
 242 /*
 243  * The ordering of entries below is important. MAC_HW_CLASSIFIER
 244  * is the cutoff below which are entries which don't depend on
 245  * H/W. MAC_HW_CLASSIFIER and entries after that are cases where
 246  * H/W has been updated through add/modify/delete APIs.
 247  */
 248 typedef enum {
 249         MAC_NO_CLASSIFIER = 0,
 250         MAC_SW_CLASSIFIER,
 251         MAC_HW_CLASSIFIER
 252 } mac_classify_type_t;
 253
 254 typedef void    (*mac_rx_func_t)(void *, mac_resource_handle_t, mblk_t *,
 255     boolean_t);
 256
 257 /*
 258  * The virtualization level conveys the extent of the NIC hardware assistance
 259  * for traffic steering employed for virtualization:
 260  *
 261  * MAC_VIRT_NONE:       No assist for v12n.
 262  *
 263  * MAC_VIRT_LEVEL1:     Multiple Rx rings with MAC address level
 264  *                      classification between groups of rings.
 265  *                      Requires the support of the MAC_CAPAB_RINGS
 266  *                      capability.
 267  *
 268  * MAC_VIRT_HIO:        Hybrid I/O capable MAC. Require the support
 269  *                      of the MAC_CAPAB_SHARES capability.
 270  */
 271 #define MAC_VIRT_NONE           0x0
 272 #define MAC_VIRT_LEVEL1         0x1
 273 #define MAC_VIRT_HIO            0x2
 274
 275 typedef enum {
 276         MAC_RING_TYPE_RX = 1,   /* Receive ring */
 277         MAC_RING_TYPE_TX        /* Transmit ring */
 278 } mac_ring_type_t;
 279
 280 /*
 281  * Grouping type of a ring group
 282  *
 283  * MAC_GROUP_TYPE_STATIC: The ring group can not be re-grouped.
 284  * MAC_GROUP_TYPE_DYNAMIC: The ring group support dynamic re-grouping
 285  */
 286 typedef enum {
 287         MAC_GROUP_TYPE_STATIC = 1,      /* Static ring group */
 288         MAC_GROUP_TYPE_DYNAMIC          /* Dynamic ring group */
 289 } mac_group_type_t;
 290
 291 typedef struct __mac_ring_driver        *mac_ring_driver_t;
 292 typedef struct __mac_group_driver       *mac_group_driver_t;
 293
 294 typedef struct mac_ring_info_s mac_ring_info_t;
 295 typedef struct mac_group_info_s mac_group_info_t;
 296
 297 typedef void    (*mac_get_ring_t)(void *, mac_ring_type_t, const int, const int,
 298     mac_ring_info_t *, mac_ring_handle_t);
 299 typedef void    (*mac_get_group_t)(void *, mac_ring_type_t, const int,
 300     mac_group_info_t *, mac_group_handle_t);
 301
 302 typedef void    (*mac_group_add_ring_t)(mac_group_driver_t,
 303     mac_ring_driver_t, mac_ring_type_t);
 304 typedef void    (*mac_group_rem_ring_t)(mac_group_driver_t,
 305     mac_ring_driver_t, mac_ring_type_t);
 306
 307 /*
 308  * Multiple Rings Capability
 309  */
 310 typedef struct  mac_capab_rings_s {
 311         mac_ring_type_t         mr_type;        /* Ring type: Rx vs Tx */
 312         mac_group_type_t        mr_group_type;  /* Dynamic vs static grouping */
 313         uint_t                  mr_rnum;        /* Number of rings */
 314         uint_t                  mr_gnum;        /* Number of ring groups */
 315         mac_get_ring_t          mr_rget;        /* Get ring from driver */
 316         mac_get_group_t         mr_gget;        /* Get ring group from driver */
 317         mac_group_add_ring_t    mr_gaddring;    /* Add ring into a group */
 318         mac_group_rem_ring_t    mr_gremring;    /* Remove ring from a group */
 319 } mac_capab_rings_t;
 320
 321 /*
 322  * Common ring functions and driver interfaces
 323  */
 324 typedef int     (*mac_ring_start_t)(mac_ring_driver_t, uint64_t);
 325 typedef void    (*mac_ring_stop_t)(mac_ring_driver_t);
 326
 327 typedef mblk_t  *(*mac_ring_send_t)(void *, mblk_t *);
 328 typedef mblk_t  *(*mac_ring_poll_t)(void *, int);
 329
 330 typedef int     (*mac_ring_stat_t)(mac_ring_driver_t, uint_t, uint64_t *);
 331
 332 typedef struct mac_ring_info_s {
 333         mac_ring_driver_t       mri_driver;
 334         mac_ring_start_t        mri_start;
 335         mac_ring_stop_t         mri_stop;
 336         mac_intr_t              mri_intr;
 337         union {
 338                 mac_ring_send_t send;
 339                 mac_ring_poll_t poll;
 340         } mrfunion;
 341         mac_ring_stat_t         mri_stat;
 342         /*
 343          * mri_flags will have some bits set to indicate some special
 344          * property/feature of a ring like serialization needed for a
 345          * Tx ring or packets should always need enqueuing on Rx side,
 346          * etc.
 347          */
 348         uint_t                  mri_flags;
 349 } mac_ring_info_s;
 350
 351 #define mri_tx                  mrfunion.send
 352 #define mri_poll                mrfunion.poll
 353
 354 /*
 355  * #defines for mri_flags. The flags are temporary flags that are provided
 356  * only to workaround issues in specific drivers, and they will be
 357  * removed in the future.
 358  */
 359 #define MAC_RING_TX_SERIALIZE           0x1
 360 #define MAC_RING_RX_ENQUEUE             0x2
 361
 362 typedef int     (*mac_group_start_t)(mac_group_driver_t);
 363 typedef void    (*mac_group_stop_t)(mac_group_driver_t);
 364 typedef int     (*mac_add_mac_addr_t)(void *, const uint8_t *);
 365 typedef int     (*mac_rem_mac_addr_t)(void *, const uint8_t *);
 366
 367 struct mac_group_info_s {
 368         mac_group_driver_t      mgi_driver;     /* Driver reference */
 369         mac_group_start_t       mgi_start;      /* Start the group */
 370         mac_group_stop_t        mgi_stop;       /* Stop the group */
 371         uint_t                  mgi_count;      /* Count of rings */
 372         mac_intr_t              mgi_intr;       /* Optional per-group intr */
 373
 374         /* Only used for rx groups */
 375         mac_add_mac_addr_t      mgi_addmac;     /* Add a MAC address */
 376         mac_rem_mac_addr_t      mgi_remmac;     /* Remove a MAC address */
 377 };
 378
 379 /*
 380  * Share management functions.
 381  */
 382 typedef uint64_t mac_share_handle_t;
 383
 384 /*
 385  * Allocate and free a share. Returns ENOSPC if all shares have been
 386  * previously allocated.
 387  */
 388 typedef int (*mac_alloc_share_t)(void *, mac_share_handle_t *);
 389 typedef void (*mac_free_share_t)(mac_share_handle_t);
 390
 391 /*
 392  * Bind and unbind a share. Binding a share allows a domain
 393  * to have direct access to the groups and rings associated with
 394  * that share.
 395  */
 396 typedef int (*mac_bind_share_t)(mac_share_handle_t, uint64_t, uint64_t *);
 397 typedef void (*mac_unbind_share_t)(mac_share_handle_t);
 398
 399 /*
 400  * Return information on about a share.
 401  */
 402 typedef void (*mac_share_query_t)(mac_share_handle_t, mac_ring_type_t,
 403     mac_ring_handle_t *, uint_t *);
 404
 405 /*
 406  * Basic idea, bind previously created ring groups to shares
 407  * for them to be exported (or shared) by another domain.
 408  * These interfaces bind/unbind the ring group to a share.
 409  * The groups and their rings will be shared with the guest
 410  * as soon as the share is bound.
 411  */
 412 typedef int (*mac_share_add_group_t)(mac_share_handle_t,
 413     mac_group_driver_t);
 414 typedef int (*mac_share_rem_group_t)(mac_share_handle_t,
 415     mac_group_driver_t);
 416
 417 typedef struct  mac_capab_share_s {
 418         uint_t                  ms_snum;        /* Number of shares (vr's) */
 419         void                    *ms_handle;     /* Handle to driver. */
 420         mac_alloc_share_t       ms_salloc;      /* Get a share from driver. */
 421         mac_free_share_t        ms_sfree;       /* Return a share to driver. */
 422         mac_share_add_group_t   ms_sadd;        /* Add a group to the share. */
 423         mac_share_rem_group_t   ms_sremove;     /* Remove group from share. */
 424         mac_share_query_t       ms_squery;      /* Query share constraints */
 425         mac_bind_share_t        ms_sbind;       /* Bind a share */
 426         mac_unbind_share_t      ms_sunbind;     /* Unbind a share */
 427 } mac_capab_share_t;
 428
 429 typedef struct mac_capab_vrrp_s {
 430         /* IPv6 or IPv4? */
 431         int             mcv_af;
 432 } mac_capab_vrrp_t;
 433
 434 /*
 435  * MAC registration interface
 436  */
 437 typedef struct mac_register_s {
 438         uint_t                  m_version;      /* set by mac_alloc() */
 439         const char              *m_type_ident;
 440         void                    *m_driver;      /* Driver private data */
 441         dev_info_t              *m_dip;
 442         uint_t                  m_instance;
 443         uint8_t                 *m_src_addr;
 444         uint8_t                 *m_dst_addr;
 445         mac_callbacks_t         *m_callbacks;
 446         uint_t                  m_min_sdu;
 447         uint_t                  m_max_sdu;
 448         void                    *m_pdata;
 449         size_t                  m_pdata_size;
 450         char                    **m_priv_props;
 451         uint32_t                m_margin;
 452         uint32_t                m_v12n;         /* Virtualization level */
 453         uint_t                  m_multicast_sdu;
 454 } mac_register_t;
 455
 456 /*
 457  * Driver interface functions.
 458  */
 459 extern mac_protect_t            *mac_protect_get(mac_handle_t);
 460 extern void                     mac_sdu_get(mac_handle_t, uint_t *, uint_t *);
 461 extern void                     mac_sdu_get2(mac_handle_t, uint_t *, uint_t *,
 462                                     uint_t *);
 463 extern int                      mac_maxsdu_update(mac_handle_t, uint_t);
 464 extern int                      mac_maxsdu_update2(mac_handle_t, uint_t,
 465                                     uint_t);
 466
 467 extern mac_register_t           *mac_alloc(uint_t);
 468 extern void                     mac_free(mac_register_t *);
 469 extern int                      mac_register(mac_register_t *, mac_handle_t *);
 470 extern int                      mac_disable_nowait(mac_handle_t);
 471 extern int                      mac_disable(mac_handle_t);
 472 extern int                      mac_unregister(mac_handle_t);
 473 extern void                     mac_rx(mac_handle_t, mac_resource_handle_t,
 474                                     mblk_t *);
 475 extern void                     mac_rx_ring(mac_handle_t, mac_ring_handle_t,
 476                                     mblk_t *, uint64_t);
 477 extern void                     mac_link_update(mac_handle_t, link_state_t);
 478 extern void                     mac_link_redo(mac_handle_t, link_state_t);
 479 extern void                     mac_unicst_update(mac_handle_t,
 480                                     const uint8_t *);
 481 extern void                     mac_dst_update(mac_handle_t, const uint8_t *);
 482 extern void                     mac_tx_update(mac_handle_t);
 483 extern void                     mac_tx_ring_update(mac_handle_t,
 484                                     mac_ring_handle_t);
 485 extern void                     mac_capab_update(mac_handle_t);
 486 extern int                      mac_pdata_update(mac_handle_t, void *,
 487                                     size_t);
 488 extern void                     mac_multicast_refresh(mac_handle_t,
 489                                     mac_multicst_t, void *, boolean_t);
 490 extern void                     mac_unicst_refresh(mac_handle_t, mac_unicst_t,
 491                                     void *);
 492 extern void                     mac_promisc_refresh(mac_handle_t,
 493                                     mac_setpromisc_t, void *);
 494 extern boolean_t                mac_margin_update(mac_handle_t, uint32_t);
 495 extern void                     mac_margin_get(mac_handle_t, uint32_t *);
 496 extern int                      mac_margin_remove(mac_handle_t, uint32_t);
 497 extern int                      mac_margin_add(mac_handle_t, uint32_t *,
 498                                     boolean_t);
 499 extern void                     mac_init_ops(struct dev_ops *, const char *);
 500 extern void                     mac_fini_ops(struct dev_ops *);
 501 extern int                      mac_devt_to_instance(dev_t);
 502 extern minor_t                  mac_private_minor(void);
 503 extern void                     mac_ring_intr_set(mac_ring_handle_t,
 504                                     ddi_intr_handle_t);
 505
 506
 507 extern mactype_register_t       *mactype_alloc(uint_t);
 508 extern void                     mactype_free(mactype_register_t *);
 509 extern int                      mactype_register(mactype_register_t *);
 510 extern int                      mactype_unregister(const char *);
 511
 512 extern boolean_t                mac_unicst_verify(mac_handle_t,
 513                                     const uint8_t *, uint_t);
 514
 515 extern int                      mac_group_add_ring(mac_group_handle_t, int);
 516 extern void                     mac_group_rem_ring(mac_group_handle_t,
 517                                     mac_ring_handle_t);
 518 extern mac_ring_handle_t        mac_find_ring(mac_group_handle_t, int);
 519
 520 extern void                     mac_prop_info_set_default_uint8(
 521                                     mac_prop_info_handle_t, uint8_t);
 522 extern void                     mac_prop_info_set_default_str(
 523                                     mac_prop_info_handle_t, const char *);
 524 extern void                     mac_prop_info_set_default_uint64(
 525                                     mac_prop_info_handle_t, uint64_t);
 526 extern void                     mac_prop_info_set_default_uint32(
 527                                     mac_prop_info_handle_t, uint32_t);
 528 extern void                     mac_prop_info_set_default_link_flowctrl(
 529                                     mac_prop_info_handle_t, link_flowctrl_t);
 530 extern void                     mac_prop_info_set_range_uint32(
 531                                     mac_prop_info_handle_t,
 532                                     uint32_t, uint32_t);
 533 extern void                     mac_prop_info_set_perm(mac_prop_info_handle_t,
 534                                     uint8_t);
 535
 536 extern void                     mac_hcksum_get(mblk_t *, uint32_t *,
 537                                     uint32_t *, uint32_t *, uint32_t *,
 538                                     uint32_t *);
 539 extern void                     mac_hcksum_set(mblk_t *, uint32_t, uint32_t,
 540                                     uint32_t, uint32_t, uint32_t);
 541
 542 extern void                     mac_lso_get(mblk_t *, uint32_t *, uint32_t *);
 543
 544 #endif  /* _KERNEL */
 545
 546 #ifdef  __cplusplus
 547 }
 548 #endif
 549
 550 #endif /* _SYS_MAC_PROVIDER_H */