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  * Copyright (c) 2018, Joyent, Inc.
  25  */
  26 
  27 #ifndef _SYS_MAC_PROVIDER_H
  28 #define _SYS_MAC_PROVIDER_H
  29 
  30 #include <sys/types.h>
  31 #include <sys/ddi.h>
  32 #include <sys/sunddi.h>
  33 #include <sys/stream.h>
  34 #include <sys/mkdev.h>
  35 #include <sys/mac.h>
  36 #include <sys/mac_flow.h>
  37 
  38 /*
  39  * MAC Provider Interface
  40  */
  41 
  42 #ifdef  __cplusplus
  43 extern "C" {
  44 #endif
  45 
  46 /*
  47  * MAC version identifiers. Drivers compiled against the stable V1 version
  48  * of the API should register with MAC_VERSION_V1. ON drivers should use
  49  * MAC_VERSION. This is used by mac_alloc() mac_register() to
  50  * verify that incompatible drivers don't register.
  51  */
  52 #define MAC_VERSION_V1  0x1
  53 #define MAC_VERSION     MAC_VERSION_V1
  54 
  55 /*
  56  * Possible values for ETHER_STAT_XCVR_INUSE statistic.
  57  */
  58 
  59 #define XCVR_UNDEFINED          0
  60 #define XCVR_NONE               1
  61 #define XCVR_10                 2
  62 #define XCVR_100T4              3
  63 #define XCVR_100X               4
  64 #define XCVR_100T2              5
  65 #define XCVR_1000X              6
  66 #define XCVR_1000T              7
  67 
  68 #ifdef  _KERNEL
  69 
  70 /*
  71  * Definitions for MAC Drivers Capabilities
  72  */
  73 /*
  74  * MAC layer capabilities.  These capabilities are handled by the drivers'
  75  * mc_capab_get() callbacks.  Some capabilities require the driver to fill
  76  * in a given data structure, and others are simply boolean capabilities.
  77  * Note that capability values must be powers of 2 so that consumers and
  78  * providers of this interface can keep track of which capabilities they
  79  * care about by keeping a bitfield of these things around somewhere.
  80  */
  81 typedef enum {
  82         /*
  83          * Public Capabilities (MAC_VERSION_V1)
  84          */
  85         MAC_CAPAB_HCKSUM        = 0x00000001, /* data is a uint32_t */
  86         MAC_CAPAB_LSO           = 0x00000008, /* data is mac_capab_lso_t */
  87 
  88         /*
  89          * Reserved capabilities, do not use
  90          */
  91         MAC_CAPAB_RESERVED1     = 0x00000002,
  92         MAC_CAPAB_RESERVED2     = 0x00000004,
  93 
  94         /*
  95          * Private driver capabilities
  96          */
  97         MAC_CAPAB_RINGS         = 0x00000010, /* data is mac_capab_rings_t */
  98         MAC_CAPAB_SHARES        = 0x00000020, /* data is mac_capab_share_t */
  99         MAC_CAPAB_MULTIFACTADDR = 0x00000040, /* mac_data_multifactaddr_t */
 100 
 101         /*
 102          * Private driver capabilities for use by the GLDv3 framework only
 103          */
 104         MAC_CAPAB_VNIC          = 0x00010000, /* data is mac_capab_vnic_t */
 105         MAC_CAPAB_ANCHOR_VNIC   = 0x00020000, /* boolean only, no data */
 106         MAC_CAPAB_AGGR          = 0x00040000, /* data is mac_capab_aggr_t */
 107         MAC_CAPAB_NO_NATIVEVLAN = 0x00080000, /* boolean only, no data */
 108         MAC_CAPAB_NO_ZCOPY      = 0x00100000, /* boolean only, no data */
 109         MAC_CAPAB_LEGACY        = 0x00200000, /* data is mac_capab_legacy_t */
 110         MAC_CAPAB_VRRP          = 0x00400000, /* data is mac_capab_vrrp_t */
 111         MAC_CAPAB_TRANSCEIVER   = 0x01000000, /* mac_capab_transciever_t */
 112         MAC_CAPAB_LED           = 0x02000000  /* data is mac_capab_led_t */
 113 } mac_capab_t;
 114 
 115 /*
 116  * LSO capability
 117  */
 118 typedef struct lso_basic_tcp_ipv4_s {
 119         t_uscalar_t     lso_max;                /* maximum payload */
 120 } lso_basic_tcp_ipv4_t;
 121 
 122 /*
 123  * Currently supported flags for LSO.
 124  */
 125 #define LSO_TX_BASIC_TCP_IPV4   0x01            /* TCP LSO capability */
 126 
 127 /*
 128  * Future LSO capabilities can be added at the end of the mac_capab_lso_t.
 129  * When such capability is added to the GLDv3 framework, the size of the
 130  * mac_capab_lso_t it allocates and passes to the drivers increases. Older
 131  * drivers wil access only the (upper) sections of that structure, that is the
 132  * sections carrying the capabilities they understand. This ensures the
 133  * interface can be safely extended in a binary compatible way.
 134  */
 135 typedef struct mac_capab_lso_s {
 136         t_uscalar_t             lso_flags;
 137         lso_basic_tcp_ipv4_t    lso_basic_tcp_ipv4;
 138         /* Add future lso capabilities here */
 139 } mac_capab_lso_t;
 140 
 141 /*
 142  * Multiple Factory MAC Addresses Capability
 143  */
 144 typedef struct mac_capab_multifactaddr_s {
 145         /*
 146          * Number of factory addresses
 147          */
 148         uint_t          mcm_naddr;
 149 
 150         /*
 151          * Callbacks to query all the factory addresses.
 152          */
 153         void            (*mcm_getaddr)(void *, uint_t, uint8_t *);
 154 } mac_capab_multifactaddr_t;
 155 
 156 /*
 157  * Info and callbacks of legacy devices.
 158  */
 159 typedef struct mac_capab_legacy_s {
 160         /*
 161          * Notifications that the legacy device does not support.
 162          */
 163         uint32_t        ml_unsup_note;
 164         /*
 165          * dev_t of the legacy device; can be held to force attach.
 166          */
 167         dev_t           ml_dev;
 168         boolean_t       (*ml_active_set)(void *);
 169         void            (*ml_active_clear)(void *);
 170         int             (*ml_fastpath_disable)(void *);
 171         void            (*ml_fastpath_enable)(void *);
 172 } mac_capab_legacy_t;
 173 
 174 typedef struct __mac_prop_info_handle *mac_prop_info_handle_t;
 175 
 176 /*
 177  * MAC driver entry point types.
 178  */
 179 typedef int             (*mac_getstat_t)(void *, uint_t, uint64_t *);
 180 typedef int             (*mac_start_t)(void *);
 181 typedef void            (*mac_stop_t)(void *);
 182 typedef int             (*mac_setpromisc_t)(void *, boolean_t);
 183 typedef int             (*mac_multicst_t)(void *, boolean_t, const uint8_t *);
 184 typedef int             (*mac_unicst_t)(void *, const uint8_t *);
 185 typedef void            (*mac_ioctl_t)(void *, queue_t *, mblk_t *);
 186 typedef void            (*mac_resources_t)(void *);
 187 typedef mblk_t          *(*mac_tx_t)(void *, mblk_t *);
 188 typedef boolean_t       (*mac_getcapab_t)(void *, mac_capab_t, void *);
 189 typedef int             (*mac_open_t)(void *);
 190 typedef void            (*mac_close_t)(void *);
 191 typedef int             (*mac_set_prop_t)(void *, const char *, mac_prop_id_t,
 192                             uint_t, const void *);
 193 typedef int             (*mac_get_prop_t)(void *, const char *, mac_prop_id_t,
 194                             uint_t, void *);
 195 typedef void            (*mac_prop_info_t)(void *, const char *, mac_prop_id_t,
 196                             mac_prop_info_handle_t);
 197 
 198 /*
 199  * Driver callbacks. The following capabilities are optional, and if
 200  * implemented by the driver, must have a corresponding MC_ flag set
 201  * in the mc_callbacks field.
 202  *
 203  * Any future additions to this list must also be accompanied by an
 204  * associated mc_callbacks flag so that the framework can grow without
 205  * affecting the binary compatibility of the interface.
 206  */
 207 typedef struct mac_callbacks_s {
 208         uint_t          mc_callbacks;   /* Denotes which callbacks are set */
 209         mac_getstat_t   mc_getstat;     /* Get the value of a statistic */
 210         mac_start_t     mc_start;       /* Start the device */
 211         mac_stop_t      mc_stop;        /* Stop the device */
 212         mac_setpromisc_t mc_setpromisc; /* Enable or disable promiscuous mode */
 213         mac_multicst_t  mc_multicst;    /* Enable or disable a multicast addr */
 214         mac_unicst_t    mc_unicst;      /* Set the unicast MAC address */
 215         mac_tx_t        mc_tx;          /* Transmit a packet */
 216         void            *mc_reserved;   /* Reserved, do not use */
 217         mac_ioctl_t     mc_ioctl;       /* Process an unknown ioctl */
 218         mac_getcapab_t  mc_getcapab;    /* Get capability information */
 219         mac_open_t      mc_open;        /* Open the device */
 220         mac_close_t     mc_close;       /* Close the device */
 221         mac_set_prop_t  mc_setprop;
 222         mac_get_prop_t  mc_getprop;
 223         mac_prop_info_t mc_propinfo;
 224 } mac_callbacks_t;
 225 
 226 /*
 227  * Flags for mc_callbacks.  Requiring drivers to set the flags associated
 228  * with optional callbacks initialized in the structure allows the mac
 229  * module to add optional callbacks in the future without requiring drivers
 230  * to recompile.
 231  */
 232 #define MC_RESERVED     0x0001
 233 #define MC_IOCTL        0x0002
 234 #define MC_GETCAPAB     0x0004
 235 #define MC_OPEN         0x0008
 236 #define MC_CLOSE        0x0010
 237 #define MC_SETPROP      0x0020
 238 #define MC_GETPROP      0x0040
 239 #define MC_PROPINFO     0x0080
 240 #define MC_PROPERTIES   (MC_SETPROP | MC_GETPROP | MC_PROPINFO)
 241 
 242 /*
 243  * Virtualization Capabilities
 244  */
 245 /*
 246  * The ordering of entries below is important. MAC_HW_CLASSIFIER
 247  * is the cutoff below which are entries which don't depend on
 248  * H/W. MAC_HW_CLASSIFIER and entries after that are cases where
 249  * H/W has been updated through add/modify/delete APIs.
 250  */
 251 typedef enum {
 252         MAC_NO_CLASSIFIER = 0,
 253         MAC_SW_CLASSIFIER,
 254         MAC_HW_CLASSIFIER
 255 } mac_classify_type_t;
 256 
 257 typedef void    (*mac_rx_func_t)(void *, mac_resource_handle_t, mblk_t *,
 258     boolean_t);
 259 
 260 /*
 261  * The virtualization level conveys the extent of the NIC hardware assistance
 262  * for traffic steering employed for virtualization:
 263  *
 264  * MAC_VIRT_NONE:       No assist for v12n.
 265  *
 266  * MAC_VIRT_LEVEL1:     Multiple Rx rings with MAC address level
 267  *                      classification between groups of rings.
 268  *                      Requires the support of the MAC_CAPAB_RINGS
 269  *                      capability.
 270  *
 271  * MAC_VIRT_HIO:        Hybrid I/O capable MAC. Require the support
 272  *                      of the MAC_CAPAB_SHARES capability.
 273  */
 274 #define MAC_VIRT_NONE           0x0
 275 #define MAC_VIRT_LEVEL1         0x1
 276 #define MAC_VIRT_HIO            0x2
 277 
 278 typedef enum {
 279         MAC_RING_TYPE_RX = 1,   /* Receive ring */
 280         MAC_RING_TYPE_TX        /* Transmit ring */
 281 } mac_ring_type_t;
 282 
 283 /*
 284  * The value VLAN_ID_NONE (VID 0) means a client does not have
 285  * membership to any VLAN. However, this statement is true for both
 286  * untagged packets and priority tagged packets leading to confusion
 287  * over what semantic is intended. To the provider, VID 0 is a valid
 288  * VID when priority tagging is in play. To MAC and everything above
 289  * VLAN_ID_NONE almost universally implies untagged traffic. Thus, we
 290  * convert VLAN_ID_NONE to a sentinel value (MAC_VLAN_UNTAGGED) at the
 291  * border between MAC and MAC provider. This informs the provider that
 292  * the client is interested in untagged traffic and the provider
 293  * should set any relevant bits to receive such traffic.
 294  *
 295  * Currently, the API between MAC and the provider passes the VID as a
 296  * unit16_t. In the future this could actually be the entire TCI mask
 297  * (PCP, DEI, and VID). This current scheme is safe in that potential
 298  * future world as well; as 0xFFFF is not a valid TCI (the 0xFFF VID
 299  * is reserved and never transmitted across networks).
 300  */
 301 #define MAC_VLAN_UNTAGGED               UINT16_MAX
 302 #define MAC_VLAN_UNTAGGED_VID(vid)      \
 303         (((vid) == VLAN_ID_NONE) ? MAC_VLAN_UNTAGGED : (vid))
 304 
 305 /*
 306  * Grouping type of a ring group
 307  *
 308  * MAC_GROUP_TYPE_STATIC: The ring group can not be re-grouped.
 309  * MAC_GROUP_TYPE_DYNAMIC: The ring group support dynamic re-grouping
 310  */
 311 typedef enum {
 312         MAC_GROUP_TYPE_STATIC = 1,      /* Static ring group */
 313         MAC_GROUP_TYPE_DYNAMIC          /* Dynamic ring group */
 314 } mac_group_type_t;
 315 
 316 typedef struct __mac_ring_driver        *mac_ring_driver_t;
 317 typedef struct __mac_group_driver       *mac_group_driver_t;
 318 
 319 typedef struct mac_ring_info_s mac_ring_info_t;
 320 typedef struct mac_group_info_s mac_group_info_t;
 321 
 322 typedef void    (*mac_get_ring_t)(void *, mac_ring_type_t, const int, const int,
 323     mac_ring_info_t *, mac_ring_handle_t);
 324 typedef void    (*mac_get_group_t)(void *, mac_ring_type_t, const int,
 325     mac_group_info_t *, mac_group_handle_t);
 326 
 327 typedef void    (*mac_group_add_ring_t)(mac_group_driver_t,
 328     mac_ring_driver_t, mac_ring_type_t);
 329 typedef void    (*mac_group_rem_ring_t)(mac_group_driver_t,
 330     mac_ring_driver_t, mac_ring_type_t);
 331 
 332 /*
 333  * Multiple Rings Capability
 334  */
 335 typedef struct  mac_capab_rings_s {
 336         mac_ring_type_t         mr_type;        /* Ring type: Rx vs Tx */
 337         mac_group_type_t        mr_group_type;  /* Dynamic vs static grouping */
 338         uint_t                  mr_rnum;        /* Number of rings */
 339         uint_t                  mr_gnum;        /* Number of ring groups */
 340         mac_get_ring_t          mr_rget;        /* Get ring from driver */
 341         mac_get_group_t         mr_gget;        /* Get ring group from driver */
 342         mac_group_add_ring_t    mr_gaddring;    /* Add ring into a group */
 343         mac_group_rem_ring_t    mr_gremring;    /* Remove ring from a group */
 344 } mac_capab_rings_t;
 345 
 346 /*
 347  * Common ring functions and driver interfaces
 348  */
 349 typedef int     (*mac_ring_start_t)(mac_ring_driver_t, uint64_t);
 350 typedef void    (*mac_ring_stop_t)(mac_ring_driver_t);
 351 
 352 typedef mblk_t  *(*mac_ring_send_t)(void *, mblk_t *);
 353 typedef mblk_t  *(*mac_ring_poll_t)(void *, int);
 354 
 355 typedef int     (*mac_ring_stat_t)(mac_ring_driver_t, uint_t, uint64_t *);
 356 
 357 typedef struct mac_ring_info_s {
 358         mac_ring_driver_t       mri_driver;
 359         mac_ring_start_t        mri_start;
 360         mac_ring_stop_t         mri_stop;
 361         mac_intr_t              mri_intr;
 362         union {
 363                 mac_ring_send_t send;
 364                 mac_ring_poll_t poll;
 365         } mrfunion;
 366         mac_ring_stat_t         mri_stat;
 367         /*
 368          * mri_flags will have some bits set to indicate some special
 369          * property/feature of a ring like serialization needed for a
 370          * Tx ring or packets should always need enqueuing on Rx side,
 371          * etc.
 372          */
 373         uint_t                  mri_flags;
 374 } mac_ring_info_s;
 375 
 376 #define mri_tx                  mrfunion.send
 377 #define mri_poll                mrfunion.poll
 378 
 379 /*
 380  * #defines for mri_flags. The flags are temporary flags that are provided
 381  * only to workaround issues in specific drivers, and they will be
 382  * removed in the future.
 383  *
 384  * These are consumed only by sun4v and neptune (nxge).
 385  */
 386 #define MAC_RING_TX_SERIALIZE           0x1
 387 #define MAC_RING_RX_ENQUEUE             0x2
 388 
 389 typedef int     (*mac_group_start_t)(mac_group_driver_t);
 390 typedef void    (*mac_group_stop_t)(mac_group_driver_t);
 391 typedef int     (*mac_add_mac_addr_t)(void *, const uint8_t *);
 392 typedef int     (*mac_rem_mac_addr_t)(void *, const uint8_t *);
 393 typedef int     (*mac_add_vlan_filter_t)(mac_group_driver_t, uint16_t);
 394 typedef int     (*mac_rem_vlan_filter_t)(mac_group_driver_t, uint16_t);
 395 
 396 struct mac_group_info_s {
 397         mac_group_driver_t      mgi_driver;     /* Driver reference */
 398         mac_group_start_t       mgi_start;      /* Start the group */
 399         mac_group_stop_t        mgi_stop;       /* Stop the group */
 400         uint_t                  mgi_count;      /* Count of rings */
 401         mac_intr_t              mgi_intr;       /* Optional per-group intr */
 402 
 403         /* Only used for Rx groups */
 404         mac_add_mac_addr_t      mgi_addmac;     /* Add a MAC address */
 405         mac_rem_mac_addr_t      mgi_remmac;     /* Remove a MAC address */
 406         mac_add_vlan_filter_t   mgi_addvlan;    /* Add a VLAN filter */
 407         mac_rem_vlan_filter_t   mgi_remvlan;    /* Remove a VLAN filter */
 408 };
 409 
 410 /*
 411  * Share management functions.
 412  */
 413 typedef uint64_t mac_share_handle_t;
 414 
 415 /*
 416  * Allocate and free a share. Returns ENOSPC if all shares have been
 417  * previously allocated.
 418  */
 419 typedef int (*mac_alloc_share_t)(void *, mac_share_handle_t *);
 420 typedef void (*mac_free_share_t)(mac_share_handle_t);
 421 
 422 /*
 423  * Bind and unbind a share. Binding a share allows a domain
 424  * to have direct access to the groups and rings associated with
 425  * that share.
 426  */
 427 typedef int (*mac_bind_share_t)(mac_share_handle_t, uint64_t, uint64_t *);
 428 typedef void (*mac_unbind_share_t)(mac_share_handle_t);
 429 
 430 /*
 431  * Return information on about a share.
 432  */
 433 typedef void (*mac_share_query_t)(mac_share_handle_t, mac_ring_type_t,
 434     mac_ring_handle_t *, uint_t *);
 435 
 436 /*
 437  * Basic idea, bind previously created ring groups to shares
 438  * for them to be exported (or shared) by another domain.
 439  * These interfaces bind/unbind the ring group to a share.
 440  * The groups and their rings will be shared with the guest
 441  * as soon as the share is bound.
 442  */
 443 typedef int (*mac_share_add_group_t)(mac_share_handle_t,
 444     mac_group_driver_t);
 445 typedef int (*mac_share_rem_group_t)(mac_share_handle_t,
 446     mac_group_driver_t);
 447 
 448 typedef struct  mac_capab_share_s {
 449         uint_t                  ms_snum;        /* Number of shares (vr's) */
 450         void                    *ms_handle;     /* Handle to driver. */
 451         mac_alloc_share_t       ms_salloc;      /* Get a share from driver. */
 452         mac_free_share_t        ms_sfree;       /* Return a share to driver. */
 453         mac_share_add_group_t   ms_sadd;        /* Add a group to the share. */
 454         mac_share_rem_group_t   ms_sremove;     /* Remove group from share. */
 455         mac_share_query_t       ms_squery;      /* Query share constraints */
 456         mac_bind_share_t        ms_sbind;       /* Bind a share */
 457         mac_unbind_share_t      ms_sunbind;     /* Unbind a share */
 458 } mac_capab_share_t;
 459 
 460 typedef struct mac_capab_vrrp_s {
 461         /* IPv6 or IPv4? */
 462         int             mcv_af;
 463 } mac_capab_vrrp_t;
 464 
 465 /*
 466  * Transceiver capability
 467  */
 468 typedef struct mac_transceiver_info mac_transceiver_info_t;
 469 
 470 typedef struct mac_capab_transceiver {
 471         uint_t  mct_flags;
 472         uint_t  mct_ntransceivers;
 473         int     (*mct_info)(void *, uint_t, mac_transceiver_info_t *);
 474         int     (*mct_read)(void *, uint_t, uint_t, void *, size_t, off_t,
 475                     size_t *);
 476 } mac_capab_transceiver_t;
 477 
 478 /*
 479  * LED capability
 480  */
 481 typedef struct mac_capab_led {
 482         uint_t          mcl_flags;
 483         mac_led_mode_t  mcl_modes;
 484         int             (*mcl_set)(void *, mac_led_mode_t, uint_t);
 485 } mac_capab_led_t;
 486 
 487 /*
 488  * MAC registration interface
 489  */
 490 typedef struct mac_register_s {
 491         uint_t                  m_version;      /* set by mac_alloc() */
 492         const char              *m_type_ident;
 493         void                    *m_driver;      /* Driver private data */
 494         dev_info_t              *m_dip;
 495         uint_t                  m_instance;
 496         uint8_t                 *m_src_addr;
 497         uint8_t                 *m_dst_addr;
 498         mac_callbacks_t         *m_callbacks;
 499         uint_t                  m_min_sdu;
 500         uint_t                  m_max_sdu;
 501         void                    *m_pdata;
 502         size_t                  m_pdata_size;
 503         char                    **m_priv_props;
 504         uint32_t                m_margin;
 505         uint32_t                m_v12n;         /* Virtualization level */
 506         uint_t                  m_multicast_sdu;
 507 } mac_register_t;
 508 
 509 /*
 510  * Driver interface functions.
 511  */
 512 extern mac_protect_t            *mac_protect_get(mac_handle_t);
 513 extern void                     mac_sdu_get(mac_handle_t, uint_t *, uint_t *);
 514 extern void                     mac_sdu_get2(mac_handle_t, uint_t *, uint_t *,
 515                                     uint_t *);
 516 extern int                      mac_maxsdu_update(mac_handle_t, uint_t);
 517 extern int                      mac_maxsdu_update2(mac_handle_t, uint_t,
 518                                     uint_t);
 519 
 520 extern mac_register_t           *mac_alloc(uint_t);
 521 extern void                     mac_free(mac_register_t *);
 522 extern int                      mac_register(mac_register_t *, mac_handle_t *);
 523 extern int                      mac_disable_nowait(mac_handle_t);
 524 extern int                      mac_disable(mac_handle_t);
 525 extern int                      mac_unregister(mac_handle_t);
 526 extern void                     mac_rx(mac_handle_t, mac_resource_handle_t,
 527                                     mblk_t *);
 528 extern void                     mac_rx_ring(mac_handle_t, mac_ring_handle_t,
 529                                     mblk_t *, uint64_t);
 530 extern void                     mac_link_update(mac_handle_t, link_state_t);
 531 extern void                     mac_link_redo(mac_handle_t, link_state_t);
 532 extern void                     mac_unicst_update(mac_handle_t,
 533                                     const uint8_t *);
 534 extern void                     mac_dst_update(mac_handle_t, const uint8_t *);
 535 extern void                     mac_tx_update(mac_handle_t);
 536 extern void                     mac_tx_ring_update(mac_handle_t,
 537                                     mac_ring_handle_t);
 538 extern void                     mac_capab_update(mac_handle_t);
 539 extern int                      mac_pdata_update(mac_handle_t, void *,
 540                                     size_t);
 541 extern void                     mac_multicast_refresh(mac_handle_t,
 542                                     mac_multicst_t, void *, boolean_t);
 543 extern void                     mac_unicst_refresh(mac_handle_t, mac_unicst_t,
 544                                     void *);
 545 extern void                     mac_promisc_refresh(mac_handle_t,
 546                                     mac_setpromisc_t, void *);
 547 extern boolean_t                mac_margin_update(mac_handle_t, uint32_t);
 548 extern void                     mac_margin_get(mac_handle_t, uint32_t *);
 549 extern int                      mac_margin_remove(mac_handle_t, uint32_t);
 550 extern int                      mac_margin_add(mac_handle_t, uint32_t *,
 551                                     boolean_t);
 552 extern void                     mac_init_ops(struct dev_ops *, const char *);
 553 extern void                     mac_fini_ops(struct dev_ops *);
 554 extern int                      mac_devt_to_instance(dev_t);
 555 extern minor_t                  mac_private_minor(void);
 556 extern void                     mac_ring_intr_set(mac_ring_handle_t,
 557                                     ddi_intr_handle_t);
 558 
 559 
 560 extern mactype_register_t       *mactype_alloc(uint_t);
 561 extern void                     mactype_free(mactype_register_t *);
 562 extern int                      mactype_register(mactype_register_t *);
 563 extern int                      mactype_unregister(const char *);
 564 
 565 extern boolean_t                mac_unicst_verify(mac_handle_t,
 566                                     const uint8_t *, uint_t);
 567 
 568 extern int                      mac_group_add_ring(mac_group_handle_t, int);
 569 extern void                     mac_group_rem_ring(mac_group_handle_t,
 570                                     mac_ring_handle_t);
 571 extern mac_ring_handle_t        mac_find_ring(mac_group_handle_t, int);
 572 
 573 extern void                     mac_prop_info_set_default_uint8(
 574                                     mac_prop_info_handle_t, uint8_t);
 575 extern void                     mac_prop_info_set_default_str(
 576                                     mac_prop_info_handle_t, const char *);
 577 extern void                     mac_prop_info_set_default_uint64(
 578                                     mac_prop_info_handle_t, uint64_t);
 579 extern void                     mac_prop_info_set_default_uint32(
 580                                     mac_prop_info_handle_t, uint32_t);
 581 extern void                     mac_prop_info_set_default_link_flowctrl(
 582                                     mac_prop_info_handle_t, link_flowctrl_t);
 583 extern void                     mac_prop_info_set_range_uint32(
 584                                     mac_prop_info_handle_t,
 585                                     uint32_t, uint32_t);
 586 extern void                     mac_prop_info_set_perm(mac_prop_info_handle_t,
 587                                     uint8_t);
 588 
 589 extern void                     mac_hcksum_get(mblk_t *, uint32_t *,
 590                                     uint32_t *, uint32_t *, uint32_t *,
 591                                     uint32_t *);
 592 extern void                     mac_hcksum_set(mblk_t *, uint32_t, uint32_t,
 593                                     uint32_t, uint32_t, uint32_t);
 594 
 595 extern void                     mac_lso_get(mblk_t *, uint32_t *, uint32_t *);
 596 
 597 extern void                     mac_transceiver_info_set_present(
 598                                     mac_transceiver_info_t *,
 599                                     boolean_t);
 600 extern void                     mac_transceiver_info_set_usable(
 601                                     mac_transceiver_info_t *,
 602                                     boolean_t);
 603 
 604 #endif  /* _KERNEL */
 605 
 606 #ifdef  __cplusplus
 607 }
 608 #endif
 609 
 610 #endif /* _SYS_MAC_PROVIDER_H */