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) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 24 * Copyright (c) 2013, Joyent, Inc. All rights reserved. 25 */ 26 27 #ifndef _SYS_MAC_H 28 #define _SYS_MAC_H 29 30 #include <sys/types.h> 31 #ifdef _KERNEL 32 #include <sys/sunddi.h> 33 #endif 34 35 /* 36 * MAC Services Module 37 */ 38 39 #ifdef __cplusplus 40 extern "C" { 41 #endif 42 43 /* 44 * MAC Information (text emitted by modinfo(1m)) 45 */ 46 #define MAC_INFO "MAC Services" 47 48 /* 49 * MAC-Type version identifier. This is used by mactype_alloc() and 50 * mactype_register() to verify that incompatible MAC-Type plugins don't 51 * register. 52 */ 53 #define MACTYPE_VERSION 0x1 54 55 /* 56 * Opaque handle types 57 */ 58 typedef struct __mac_handle *mac_handle_t; 59 typedef struct __mac_resource_handle *mac_resource_handle_t; 60 typedef struct __mac_notify_handle *mac_notify_handle_t; 61 typedef struct __mac_tx_notify_handle *mac_tx_notify_handle_t; 62 typedef struct __mac_intr_handle *mac_intr_handle_t; 63 typedef struct __mac_ring_handle *mac_ring_handle_t; 64 typedef struct __mac_group_handle *mac_group_handle_t; 65 66 #define DATALINK_INVALID_LINKID 0 67 #define DATALINK_ALL_LINKID 0 68 #define DATALINK_MAX_LINKID 0xffffffff 69 70 typedef enum { 71 LINK_STATE_UNKNOWN = -1, 72 LINK_STATE_DOWN, 73 LINK_STATE_UP 74 } link_state_t; 75 76 typedef enum { 77 LINK_DUPLEX_UNKNOWN = 0, 78 LINK_DUPLEX_HALF, 79 LINK_DUPLEX_FULL 80 } link_duplex_t; 81 82 typedef enum { 83 LINK_FLOWCTRL_NONE = 0, 84 LINK_FLOWCTRL_RX, 85 LINK_FLOWCTRL_TX, 86 LINK_FLOWCTRL_BI 87 } link_flowctrl_t; 88 89 typedef enum { 90 LINK_TAGMODE_VLANONLY = 0, 91 LINK_TAGMODE_NORMAL 92 } link_tagmode_t; 93 94 /* 95 * Defines range of uint32_t values 96 */ 97 typedef struct mac_propval_uint32_range_s { 98 uint32_t mpur_min; 99 uint32_t mpur_max; 100 } mac_propval_uint32_range_t; 101 102 /* 103 * Data type of property values. 104 */ 105 typedef enum { 106 MAC_PROPVAL_UINT8, 107 MAC_PROPVAL_UINT32, 108 MAC_PROPVAL_STR 109 } mac_propval_type_t; 110 111 /* 112 * Captures possible values for a given property. A property can have 113 * range of values (int32, int64, uint32, uint64, et al) or collection/ 114 * enumeration of values (strings). 115 * Can be used as a value-result parameter. 116 */ 117 typedef struct mac_propval_range_s { 118 uint_t mpr_count; /* count of ranges */ 119 mac_propval_type_t mpr_type; /* type of value */ 120 union { 121 mac_propval_uint32_range_t mpr_uint32[1]; 122 } u; 123 } mac_propval_range_t; 124 125 #define mpr_range_uint32 u.mpr_uint32 126 127 /* 128 * Maximum MAC address length 129 */ 130 #define MAXMACADDRLEN 20 131 132 #define MPT_MAXMACADDR 32 133 134 typedef struct mac_secondary_addr_s { 135 uint32_t ms_addrcnt; 136 uint8_t ms_addrs[MPT_MAXMACADDR][MAXMACADDRLEN]; 137 } mac_secondary_addr_t; 138 139 typedef enum { 140 MAC_LOGTYPE_LINK = 1, 141 MAC_LOGTYPE_FLOW 142 } mac_logtype_t; 143 144 #define MAXLINKPROPNAME 256 /* max property name len */ 145 146 /* 147 * Public properties. 148 * 149 * Note that there are 2 sets of parameters: the *_EN_* values are 150 * those that the Administrator configures for autonegotiation. The 151 * _ADV_* values are those that are currently exposed over the wire. 152 */ 153 typedef enum { 154 MAC_PROP_DUPLEX = 0x00000001, 155 MAC_PROP_SPEED, 156 MAC_PROP_STATUS, 157 MAC_PROP_AUTONEG, 158 MAC_PROP_EN_AUTONEG, 159 MAC_PROP_MTU, 160 MAC_PROP_ZONE, 161 MAC_PROP_AUTOPUSH, 162 MAC_PROP_FLOWCTRL, 163 MAC_PROP_ADV_1000FDX_CAP, 164 MAC_PROP_EN_1000FDX_CAP, 165 MAC_PROP_ADV_1000HDX_CAP, 166 MAC_PROP_EN_1000HDX_CAP, 167 MAC_PROP_ADV_100FDX_CAP, 168 MAC_PROP_EN_100FDX_CAP, 169 MAC_PROP_ADV_100HDX_CAP, 170 MAC_PROP_EN_100HDX_CAP, 171 MAC_PROP_ADV_10FDX_CAP, 172 MAC_PROP_EN_10FDX_CAP, 173 MAC_PROP_ADV_10HDX_CAP, 174 MAC_PROP_EN_10HDX_CAP, 175 MAC_PROP_ADV_100T4_CAP, 176 MAC_PROP_EN_100T4_CAP, 177 MAC_PROP_IPTUN_HOPLIMIT, 178 MAC_PROP_IPTUN_ENCAPLIMIT, 179 MAC_PROP_WL_ESSID, 180 MAC_PROP_WL_BSSID, 181 MAC_PROP_WL_BSSTYPE, 182 MAC_PROP_WL_LINKSTATUS, 183 MAC_PROP_WL_DESIRED_RATES, 184 MAC_PROP_WL_SUPPORTED_RATES, 185 MAC_PROP_WL_AUTH_MODE, 186 MAC_PROP_WL_ENCRYPTION, 187 MAC_PROP_WL_RSSI, 188 MAC_PROP_WL_PHY_CONFIG, 189 MAC_PROP_WL_CAPABILITY, 190 MAC_PROP_WL_WPA, 191 MAC_PROP_WL_SCANRESULTS, 192 MAC_PROP_WL_POWER_MODE, 193 MAC_PROP_WL_RADIO, 194 MAC_PROP_WL_ESS_LIST, 195 MAC_PROP_WL_KEY_TAB, 196 MAC_PROP_WL_CREATE_IBSS, 197 MAC_PROP_WL_SETOPTIE, 198 MAC_PROP_WL_DELKEY, 199 MAC_PROP_WL_KEY, 200 MAC_PROP_WL_MLME, 201 MAC_PROP_TAGMODE, 202 MAC_PROP_ADV_10GFDX_CAP, 203 MAC_PROP_EN_10GFDX_CAP, 204 MAC_PROP_PVID, 205 MAC_PROP_LLIMIT, 206 MAC_PROP_LDECAY, 207 MAC_PROP_RESOURCE, 208 MAC_PROP_RESOURCE_EFF, 209 MAC_PROP_RXRINGSRANGE, 210 MAC_PROP_TXRINGSRANGE, 211 MAC_PROP_MAX_TX_RINGS_AVAIL, 212 MAC_PROP_MAX_RX_RINGS_AVAIL, 213 MAC_PROP_MAX_RXHWCLNT_AVAIL, 214 MAC_PROP_MAX_TXHWCLNT_AVAIL, 215 MAC_PROP_IB_LINKMODE, 216 MAC_PROP_SECONDARY_ADDRS, 217 MAC_PROP_PRIVATE = -1 218 } mac_prop_id_t; 219 220 /* 221 * Flags to figure out r/w status of legacy ndd props. 222 */ 223 #define MAC_PROP_PERM_READ 0x0001 224 #define MAC_PROP_PERM_WRITE 0x0010 225 #define MAC_PROP_MAP_KSTAT 0x0100 226 #define MAC_PROP_PERM_RW (MAC_PROP_PERM_READ|MAC_PROP_PERM_WRITE) 227 #define MAC_PROP_FLAGS_RK (MAC_PROP_PERM_READ|MAC_PROP_MAP_KSTAT) 228 229 #ifdef _KERNEL 230 231 /* 232 * There are three ranges of statistics values. 0 to 1 - MAC_STAT_MIN are 233 * interface statistics maintained by the mac module. MAC_STAT_MIN to 1 - 234 * MACTYPE_STAT_MIN are common MAC statistics defined by the mac module and 235 * maintained by each driver. MACTYPE_STAT_MIN and above are statistics 236 * defined by MAC-Type plugins and maintained by each driver. 237 */ 238 #define MAC_STAT_MIN 1000 239 #define MACTYPE_STAT_MIN 2000 240 241 #define IS_MAC_STAT(stat) \ 242 (stat >= MAC_STAT_MIN && stat < MACTYPE_STAT_MIN) 243 #define IS_MACTYPE_STAT(stat) (stat >= MACTYPE_STAT_MIN) 244 245 /* 246 * Statistics maintained by the mac module, and possibly populated as link 247 * statistics. 248 */ 249 enum mac_mod_stat { 250 MAC_STAT_LINK_STATE, 251 MAC_STAT_LINK_UP, 252 MAC_STAT_PROMISC, 253 MAC_STAT_LOWLINK_STATE, 254 MAC_STAT_HDROPS 255 }; 256 257 /* 258 * Do not reorder, and add only to the end of this list. 259 */ 260 enum mac_driver_stat { 261 /* MIB-II stats (RFC 1213 and RFC 1573) */ 262 MAC_STAT_IFSPEED = MAC_STAT_MIN, 263 MAC_STAT_MULTIRCV, 264 MAC_STAT_BRDCSTRCV, 265 MAC_STAT_MULTIXMT, 266 MAC_STAT_BRDCSTXMT, 267 MAC_STAT_NORCVBUF, 268 MAC_STAT_IERRORS, 269 MAC_STAT_UNKNOWNS, 270 MAC_STAT_NOXMTBUF, 271 MAC_STAT_OERRORS, 272 MAC_STAT_COLLISIONS, 273 MAC_STAT_RBYTES, 274 MAC_STAT_IPACKETS, 275 MAC_STAT_OBYTES, 276 MAC_STAT_OPACKETS, 277 MAC_STAT_UNDERFLOWS, 278 MAC_STAT_OVERFLOWS 279 }; 280 281 #define MAC_NSTAT (MAC_STAT_OVERFLOWS - MAC_STAT_IFSPEED + 1) 282 283 #define MAC_STAT_ISACOUNTER(_stat) ( \ 284 (_stat) == MAC_STAT_MULTIRCV || \ 285 (_stat) == MAC_STAT_BRDCSTRCV || \ 286 (_stat) == MAC_STAT_MULTIXMT || \ 287 (_stat) == MAC_STAT_BRDCSTXMT || \ 288 (_stat) == MAC_STAT_NORCVBUF || \ 289 (_stat) == MAC_STAT_IERRORS || \ 290 (_stat) == MAC_STAT_UNKNOWNS || \ 291 (_stat) == MAC_STAT_NOXMTBUF || \ 292 (_stat) == MAC_STAT_OERRORS || \ 293 (_stat) == MAC_STAT_COLLISIONS || \ 294 (_stat) == MAC_STAT_RBYTES || \ 295 (_stat) == MAC_STAT_IPACKETS || \ 296 (_stat) == MAC_STAT_OBYTES || \ 297 (_stat) == MAC_STAT_OPACKETS || \ 298 (_stat) == MAC_STAT_UNDERFLOWS || \ 299 (_stat) == MAC_STAT_OVERFLOWS) 300 301 /* 302 * Immutable information. (This may not be modified after registration). 303 */ 304 typedef struct mac_info_s { 305 uint_t mi_media; 306 uint_t mi_nativemedia; 307 uint_t mi_addr_length; 308 uint8_t *mi_unicst_addr; 309 uint8_t *mi_brdcst_addr; 310 } mac_info_t; 311 312 /* 313 * When VNICs are created on top of the NIC, there are two levels 314 * of MAC layer, a lower MAC, which is the MAC layer at the level of the 315 * physical NIC, and an upper MAC, which is the MAC layer at the level 316 * of the VNIC. Each VNIC maps to a MAC client at the lower MAC, and 317 * the SRS and classification is done at the lower MAC level. The upper 318 * MAC is therefore for the most part pass-through, and therefore 319 * special processing needs to be done at the upper MAC layer when 320 * dealing with a VNIC. 321 * 322 * This capability allows the MAC layer to detect when a VNIC is being 323 * access, and implement the required shortcuts. 324 * 325 * In addition, this capability is used to keep the VNIC's secondary 326 * mac_clients in sync when the primary MAC is updated. 327 */ 328 329 typedef void *(*mac_client_handle_fn_t)(void *); 330 typedef void (*mac_client_update_fn_t)(void *); 331 332 typedef struct mac_capab_vnic_s { 333 void *mcv_arg; 334 mac_client_handle_fn_t mcv_mac_client_handle; 335 mac_client_update_fn_t mcv_mac_secondary_update; 336 } mac_capab_vnic_t; 337 338 typedef void (*mac_rename_fn_t)(const char *, void *); 339 typedef mblk_t *(*mac_tx_ring_fn_t)(void *, mblk_t *, uintptr_t, 340 mac_ring_handle_t *); 341 typedef struct mac_capab_aggr_s { 342 mac_rename_fn_t mca_rename_fn; 343 int (*mca_unicst)(void *, const uint8_t *); 344 mac_tx_ring_fn_t mca_find_tx_ring_fn; 345 void *mca_arg; 346 } mac_capab_aggr_t; 347 348 /* Bridge transmit and receive function signatures */ 349 typedef mblk_t *(*mac_bridge_tx_t)(mac_handle_t, mac_ring_handle_t, mblk_t *); 350 typedef void (*mac_bridge_rx_t)(mac_handle_t, mac_resource_handle_t, mblk_t *); 351 typedef void (*mac_bridge_ref_t)(mac_handle_t, boolean_t); 352 typedef link_state_t (*mac_bridge_ls_t)(mac_handle_t, link_state_t); 353 354 /* must change mac_notify_cb_list[] in mac_provider.c if this is changed */ 355 typedef enum { 356 MAC_NOTE_LINK, 357 MAC_NOTE_UNICST, 358 MAC_NOTE_TX, 359 MAC_NOTE_DEVPROMISC, 360 MAC_NOTE_FASTPATH_FLUSH, 361 MAC_NOTE_SDU_SIZE, 362 MAC_NOTE_DEST, 363 MAC_NOTE_MARGIN, 364 MAC_NOTE_CAPAB_CHG, 365 MAC_NOTE_LOWLINK, 366 MAC_NOTE_ALLOWED_IPS, 367 MAC_NNOTE /* must be the last entry */ 368 } mac_notify_type_t; 369 370 typedef void (*mac_notify_t)(void *, mac_notify_type_t); 371 typedef void (*mac_rx_t)(void *, mac_resource_handle_t, mblk_t *, 372 boolean_t); 373 typedef mblk_t *(*mac_receive_t)(void *, int); 374 375 /* 376 * MAC resource types 377 */ 378 typedef enum { 379 MAC_RX_FIFO = 1 380 } mac_resource_type_t; 381 382 typedef int (*mac_intr_enable_t)(mac_intr_handle_t); 383 typedef int (*mac_intr_disable_t)(mac_intr_handle_t); 384 385 typedef struct mac_intr_s { 386 mac_intr_handle_t mi_handle; 387 mac_intr_enable_t mi_enable; 388 mac_intr_disable_t mi_disable; 389 ddi_intr_handle_t mi_ddi_handle; 390 boolean_t mi_ddi_shared; 391 } mac_intr_t; 392 393 typedef struct mac_rx_fifo_s { 394 mac_resource_type_t mrf_type; /* MAC_RX_FIFO */ 395 mac_intr_t mrf_intr; 396 mac_receive_t mrf_receive; 397 void *mrf_rx_arg; 398 uint32_t mrf_flow_priority; 399 /* 400 * The CPU this flow is to be processed on. With intrd and future 401 * things, we should know which CPU the flow needs to be processed 402 * and get a squeue assigned on that CPU. 403 */ 404 uint_t mrf_cpu_id; 405 } mac_rx_fifo_t; 406 407 #define mrf_intr_handle mrf_intr.mi_handle 408 #define mrf_intr_enable mrf_intr.mi_enable 409 #define mrf_intr_disable mrf_intr.mi_disable 410 411 typedef union mac_resource_u { 412 mac_resource_type_t mr_type; 413 mac_rx_fifo_t mr_fifo; 414 } mac_resource_t; 415 416 typedef enum { 417 MAC_ADDRTYPE_UNICAST, 418 MAC_ADDRTYPE_MULTICAST, 419 MAC_ADDRTYPE_BROADCAST 420 } mac_addrtype_t; 421 422 typedef struct mac_header_info_s { 423 size_t mhi_hdrsize; 424 size_t mhi_pktsize; 425 const uint8_t *mhi_daddr; 426 const uint8_t *mhi_saddr; 427 uint32_t mhi_origsap; 428 uint32_t mhi_bindsap; 429 mac_addrtype_t mhi_dsttype; 430 uint16_t mhi_tci; 431 boolean_t mhi_istagged; 432 boolean_t mhi_ispvid; 433 } mac_header_info_t; 434 435 /* 436 * Function pointer to match dls client signature. Should be same as 437 * dls_rx_t to allow a soft ring to bypass DLS layer and call a DLS 438 * client directly. 439 */ 440 typedef void (*mac_direct_rx_t)(void *, mac_resource_handle_t, 441 mblk_t *, mac_header_info_t *); 442 443 typedef mac_resource_handle_t (*mac_resource_add_t)(void *, mac_resource_t *); 444 typedef int (*mac_resource_bind_t)(void *, 445 mac_resource_handle_t, processorid_t); 446 typedef void (*mac_resource_remove_t)(void *, void *); 447 typedef void (*mac_resource_quiesce_t)(void *, void *); 448 typedef void (*mac_resource_restart_t)(void *, void *); 449 typedef int (*mac_resource_modify_t)(void *, void *, 450 mac_resource_t *); 451 typedef void (*mac_change_upcall_t)(void *, mac_direct_rx_t, 452 void *); 453 454 /* 455 * MAC-Type plugin interfaces 456 */ 457 458 typedef int (*mtops_addr_verify_t)(const void *, void *); 459 typedef boolean_t (*mtops_sap_verify_t)(uint32_t, uint32_t *, void *); 460 typedef mblk_t *(*mtops_header_t)(const void *, const void *, 461 uint32_t, void *, mblk_t *, size_t); 462 typedef int (*mtops_header_info_t)(mblk_t *, void *, 463 mac_header_info_t *); 464 typedef boolean_t (*mtops_pdata_verify_t)(void *, size_t); 465 typedef mblk_t *(*mtops_header_modify_t)(mblk_t *, void *); 466 typedef void (*mtops_link_details_t)(char *, size_t, mac_handle_t, 467 void *); 468 469 typedef struct mactype_ops_s { 470 uint_t mtops_ops; 471 /* 472 * mtops_unicst_verify() returns 0 if the given address is a valid 473 * unicast address, or a non-zero errno otherwise. 474 */ 475 mtops_addr_verify_t mtops_unicst_verify; 476 /* 477 * mtops_multicst_verify() returns 0 if the given address is a 478 * valid multicast address, or a non-zero errno otherwise. If the 479 * media doesn't support multicast, ENOTSUP should be returned (for 480 * example). 481 */ 482 mtops_addr_verify_t mtops_multicst_verify; 483 /* 484 * mtops_sap_verify() returns B_TRUE if the given SAP is a valid 485 * SAP value, or B_FALSE otherwise. 486 */ 487 mtops_sap_verify_t mtops_sap_verify; 488 /* 489 * mtops_header() is used to allocate and construct a MAC header. 490 */ 491 mtops_header_t mtops_header; 492 /* 493 * mtops_header_info() is used to gather information on a given MAC 494 * header. 495 */ 496 mtops_header_info_t mtops_header_info; 497 /* 498 * mtops_pdata_verify() is used to verify the validity of MAC 499 * plugin data. It is called by mac_register() if the driver has 500 * supplied MAC plugin data, and also by mac_pdata_update() when 501 * drivers update the data. 502 */ 503 mtops_pdata_verify_t mtops_pdata_verify; 504 /* 505 * mtops_header_cook() is an optional callback that converts (or 506 * "cooks") the given raw header (as sent by a raw DLPI consumer) 507 * into one that is appropriate to send down to the MAC driver. 508 * Following the example above, an Ethernet header sent down by a 509 * DLPI consumer would be converted to whatever header the MAC 510 * driver expects. 511 */ 512 mtops_header_modify_t mtops_header_cook; 513 /* 514 * mtops_header_uncook() is an optional callback that does the 515 * opposite of mtops_header_cook(). It "uncooks" a given MAC 516 * header (as received from the driver) for consumption by raw DLPI 517 * consumers. For example, for a non-Ethernet plugin that wants 518 * raw DLPI consumers to be fooled into thinking that the device 519 * provides Ethernet access, this callback would modify the given 520 * mblk_t such that the MAC header is converted to an Ethernet 521 * header. 522 */ 523 mtops_header_modify_t mtops_header_uncook; 524 /* 525 * mtops_link_details() is an optional callback that provides 526 * extended information about the link state. Its primary purpose 527 * is to provide type-specific support for syslog contents on 528 * link up events. If no implementation is provided, then a default 529 * implementation will be used. 530 */ 531 mtops_link_details_t mtops_link_details; 532 } mactype_ops_t; 533 534 /* 535 * mtops_ops exists for the plugin to enumerate the optional callback 536 * entrypoints it has defined. This allows the mac module to define 537 * additional plugin entrypoints in mactype_ops_t without breaking backward 538 * compatibility with old plugins. 539 */ 540 #define MTOPS_PDATA_VERIFY 0x001 541 #define MTOPS_HEADER_COOK 0x002 542 #define MTOPS_HEADER_UNCOOK 0x004 543 #define MTOPS_LINK_DETAILS 0x008 544 545 /* 546 * Provide mapping for legacy ndd ioctls relevant to that mactype. 547 * Note that the ndd ioctls are obsolete, and may be removed in a future 548 * release of Solaris. The ndd ioctls are not typically used in legacy 549 * ethernet drivers. New datalink drivers of all link-types should use 550 * dladm(1m) interfaces for administering tunables and not have to provide 551 * a mapping. 552 */ 553 typedef struct mac_ndd_mapping_s { 554 char *mp_name; 555 union { 556 mac_prop_id_t u_id; 557 uint_t u_kstat; 558 } u_mp_id; 559 long mp_minval; 560 long mp_maxval; 561 size_t mp_valsize; 562 int mp_flags; 563 } mac_ndd_mapping_t; 564 565 #define mp_prop_id u_mp_id.u_id 566 #define mp_kstat u_mp_id.u_kstat 567 568 typedef struct mac_stat_info_s { 569 uint_t msi_stat; 570 char *msi_name; 571 uint_t msi_type; /* as defined in kstat_named_init(9F) */ 572 uint64_t msi_default; 573 } mac_stat_info_t; 574 575 typedef struct mactype_register_s { 576 uint_t mtr_version; /* set by mactype_alloc() */ 577 const char *mtr_ident; 578 mactype_ops_t *mtr_ops; 579 uint_t mtr_mactype; 580 uint_t mtr_nativetype; 581 uint_t mtr_addrlen; 582 uint8_t *mtr_brdcst_addr; 583 mac_stat_info_t *mtr_stats; 584 size_t mtr_statcount; 585 mac_ndd_mapping_t *mtr_mapping; 586 size_t mtr_mappingcount; 587 } mactype_register_t; 588 589 /* 590 * Driver interface functions. 591 */ 592 extern int mac_open_by_linkid(datalink_id_t, 593 mac_handle_t *); 594 extern int mac_open_by_linkname(const char *, 595 mac_handle_t *); 596 extern const char *mac_name(mac_handle_t); 597 extern minor_t mac_minor(mac_handle_t); 598 extern minor_t mac_minor_hold(boolean_t); 599 extern void mac_minor_rele(minor_t); 600 extern void mac_sdu_get(mac_handle_t, uint_t *, uint_t *); 601 extern void mac_sdu_get2(mac_handle_t, uint_t *, uint_t *, 602 uint_t *); 603 extern int mac_maxsdu_update(mac_handle_t, uint_t); 604 extern int mac_maxsdu_update2(mac_handle_t, uint_t, 605 uint_t); 606 extern uint_t mac_addr_len(mac_handle_t); 607 extern int mac_type(mac_handle_t); 608 extern int mac_nativetype(mac_handle_t); 609 610 extern void mac_unicst_update(mac_handle_t, 611 const uint8_t *); 612 extern void mac_capab_update(mac_handle_t); 613 extern int mac_pdata_update(mac_handle_t, void *, 614 size_t); 615 extern boolean_t mac_margin_update(mac_handle_t, uint32_t); 616 extern void mac_margin_get(mac_handle_t, uint32_t *); 617 extern int mac_margin_remove(mac_handle_t, uint32_t); 618 extern int mac_margin_add(mac_handle_t, uint32_t *, 619 boolean_t); 620 extern int mac_fastpath_disable(mac_handle_t); 621 extern void mac_fastpath_enable(mac_handle_t); 622 extern void mac_no_active(mac_handle_t); 623 624 extern mactype_register_t *mactype_alloc(uint_t); 625 extern void mactype_free(mactype_register_t *); 626 extern int mactype_register(mactype_register_t *); 627 extern int mactype_unregister(const char *); 628 629 extern int mac_start_logusage(mac_logtype_t, uint_t); 630 extern void mac_stop_logusage(mac_logtype_t); 631 632 extern mac_handle_t mac_get_lower_mac_handle(mac_handle_t); 633 extern boolean_t mac_is_vnic_primary(mac_handle_t); 634 635 /* 636 * Packet hashing for distribution to multiple ports and rings. 637 */ 638 639 #define MAC_PKT_HASH_L2 0x01 640 #define MAC_PKT_HASH_L3 0x02 641 #define MAC_PKT_HASH_L4 0x04 642 643 extern uint64_t mac_pkt_hash(uint_t, mblk_t *, uint8_t, 644 boolean_t); 645 646 /* 647 * Bridging linkage 648 */ 649 extern void mac_rx_common(mac_handle_t, 650 mac_resource_handle_t, mblk_t *); 651 extern int mac_bridge_set(mac_handle_t, mac_handle_t); 652 extern void mac_bridge_clear(mac_handle_t, mac_handle_t); 653 extern void mac_bridge_vectors(mac_bridge_tx_t, 654 mac_bridge_rx_t, mac_bridge_ref_t, 655 mac_bridge_ls_t); 656 657 /* special case function for TRILL observability */ 658 extern void mac_trill_snoop(mac_handle_t, mblk_t *); 659 660 #endif /* _KERNEL */ 661 662 #ifdef __cplusplus 663 } 664 #endif 665 666 #endif /* _SYS_MAC_H */ 667