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 2009 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 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 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 the value 104 */ 105 typedef enum { 106 MAC_PROPVAL_UINT32 = 0x1 107 } mac_propval_type_t; 108 109 /* 110 * Captures possible values for a given property. A property can have 111 * range of values (int32, int64, uint32, uint64, et al) or collection/ 112 * enumeration of values (strings). 113 * Can be used as a value-result parameter. 114 * 115 * See PSARC 2009/235 for more information. 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 range_uint32 u.mpr_uint32 126 127 /* 128 * Maximum MAC address length 129 */ 130 #define MAXMACADDRLEN 20 131 132 typedef enum { 133 MAC_LOGTYPE_LINK = 1, 134 MAC_LOGTYPE_FLOW 135 } mac_logtype_t; 136 137 /* 138 * Encodings for public properties. 139 * A most significant bit value of 1 indicates private property, intended 140 * to allow private property implementations to use internal encodings 141 * if desired. 142 * 143 * Note that there are 2 sets of parameters: the *_EN_* 144 * values are those that the Administrator configures for autonegotiation. 145 * The _ADV_* values are those that are currently exposed over the wire. 146 */ 147 #define MAXLINKPROPNAME 256 148 #define MAC_PROP_DEFAULT 0x0001 /* default property value */ 149 150 /* 151 * Indicates the linkprop framework is interested in knowing the list of 152 * possible property values. When used to obtain possible values for a 153 * property, one may have to change all the drivers. See PSARC 2009/235. 154 */ 155 #define MAC_PROP_POSSIBLE 0x0002 /* possible property values */ 156 157 typedef enum { 158 MAC_PROP_DUPLEX = 0x00000001, 159 MAC_PROP_SPEED, 160 MAC_PROP_STATUS, 161 MAC_PROP_AUTONEG, 162 MAC_PROP_EN_AUTONEG, 163 MAC_PROP_MTU, 164 MAC_PROP_ZONE, 165 MAC_PROP_AUTOPUSH, 166 MAC_PROP_FLOWCTRL, 167 MAC_PROP_ADV_1000FDX_CAP, 168 MAC_PROP_EN_1000FDX_CAP, 169 MAC_PROP_ADV_1000HDX_CAP, 170 MAC_PROP_EN_1000HDX_CAP, 171 MAC_PROP_ADV_100FDX_CAP, 172 MAC_PROP_EN_100FDX_CAP, 173 MAC_PROP_ADV_100HDX_CAP, 174 MAC_PROP_EN_100HDX_CAP, 175 MAC_PROP_ADV_10FDX_CAP, 176 MAC_PROP_EN_10FDX_CAP, 177 MAC_PROP_ADV_10HDX_CAP, 178 MAC_PROP_EN_10HDX_CAP, 179 MAC_PROP_ADV_100T4_CAP, 180 MAC_PROP_EN_100T4_CAP, 181 MAC_PROP_IPTUN_HOPLIMIT, 182 MAC_PROP_IPTUN_ENCAPLIMIT, 183 MAC_PROP_WL_ESSID, 184 MAC_PROP_WL_BSSID, 185 MAC_PROP_WL_BSSTYPE, 186 MAC_PROP_WL_LINKSTATUS, 187 MAC_PROP_WL_DESIRED_RATES, 188 MAC_PROP_WL_SUPPORTED_RATES, 189 MAC_PROP_WL_AUTH_MODE, 190 MAC_PROP_WL_ENCRYPTION, 191 MAC_PROP_WL_RSSI, 192 MAC_PROP_WL_PHY_CONFIG, 193 MAC_PROP_WL_CAPABILITY, 194 MAC_PROP_WL_WPA, 195 MAC_PROP_WL_SCANRESULTS, 196 MAC_PROP_WL_POWER_MODE, 197 MAC_PROP_WL_RADIO, 198 MAC_PROP_WL_ESS_LIST, 199 MAC_PROP_WL_KEY_TAB, 200 MAC_PROP_WL_CREATE_IBSS, 201 MAC_PROP_WL_SETOPTIE, 202 MAC_PROP_WL_DELKEY, 203 MAC_PROP_WL_KEY, 204 MAC_PROP_WL_MLME, 205 MAC_PROP_MAXBW, 206 MAC_PROP_PRIO, 207 MAC_PROP_BIND_CPU, 208 MAC_PROP_TAGMODE, 209 MAC_PROP_ADV_10GFDX_CAP, 210 MAC_PROP_EN_10GFDX_CAP, 211 MAC_PROP_PVID, 212 MAC_PROP_LLIMIT, 213 MAC_PROP_LDECAY, 214 MAC_PROP_PROTECT, 215 MAC_PROP_PRIVATE = -1 216 } mac_prop_id_t; 217 218 /* 219 * Flags to figure out r/w status of legacy ndd props. 220 */ 221 #define MAC_PROP_PERM_READ 0x0001 222 #define MAC_PROP_PERM_WRITE 0x0010 223 #define MAC_PROP_MAP_KSTAT 0x0100 224 #define MAC_PROP_PERM_RW (MAC_PROP_PERM_READ|MAC_PROP_PERM_WRITE) 225 #define MAC_PROP_FLAGS_RK (MAC_PROP_PERM_READ|MAC_PROP_MAP_KSTAT) 226 227 #ifdef _KERNEL 228 229 /* 230 * There are three ranges of statistics values. 0 to 1 - MAC_STAT_MIN are 231 * interface statistics maintained by the mac module. MAC_STAT_MIN to 1 - 232 * MACTYPE_STAT_MIN are common MAC statistics defined by the mac module and 233 * maintained by each driver. MACTYPE_STAT_MIN and above are statistics 234 * defined by MAC-Type plugins and maintained by each driver. 235 */ 236 #define MAC_STAT_MIN 1000 237 #define MACTYPE_STAT_MIN 2000 238 239 #define IS_MAC_STAT(stat) \ 240 (stat >= MAC_STAT_MIN && stat < MACTYPE_STAT_MIN) 241 #define IS_MACTYPE_STAT(stat) (stat >= MACTYPE_STAT_MIN) 242 243 /* 244 * Statistics maintained by the mac module, and possibly populated as link 245 * statistics. 246 */ 247 enum mac_mod_stat { 248 MAC_STAT_LINK_STATE, 249 MAC_STAT_LINK_UP, 250 MAC_STAT_PROMISC, 251 MAC_STAT_LOWLINK_STATE 252 }; 253 254 /* 255 * Do not reorder, and add only to the end of this list. 256 */ 257 enum mac_driver_stat { 258 /* MIB-II stats (RFC 1213 and RFC 1573) */ 259 MAC_STAT_IFSPEED = MAC_STAT_MIN, 260 MAC_STAT_MULTIRCV, 261 MAC_STAT_BRDCSTRCV, 262 MAC_STAT_MULTIXMT, 263 MAC_STAT_BRDCSTXMT, 264 MAC_STAT_NORCVBUF, 265 MAC_STAT_IERRORS, 266 MAC_STAT_UNKNOWNS, 267 MAC_STAT_NOXMTBUF, 268 MAC_STAT_OERRORS, 269 MAC_STAT_COLLISIONS, 270 MAC_STAT_RBYTES, 271 MAC_STAT_IPACKETS, 272 MAC_STAT_OBYTES, 273 MAC_STAT_OPACKETS, 274 MAC_STAT_UNDERFLOWS, 275 MAC_STAT_OVERFLOWS 276 }; 277 278 #define MAC_NSTAT (MAC_STAT_OVERFLOWS - MAC_STAT_IFSPEED + 1) 279 280 #define MAC_STAT_ISACOUNTER(_stat) ( \ 281 (_stat) == MAC_STAT_MULTIRCV || \ 282 (_stat) == MAC_STAT_BRDCSTRCV || \ 283 (_stat) == MAC_STAT_MULTIXMT || \ 284 (_stat) == MAC_STAT_BRDCSTXMT || \ 285 (_stat) == MAC_STAT_NORCVBUF || \ 286 (_stat) == MAC_STAT_IERRORS || \ 287 (_stat) == MAC_STAT_UNKNOWNS || \ 288 (_stat) == MAC_STAT_NOXMTBUF || \ 289 (_stat) == MAC_STAT_OERRORS || \ 290 (_stat) == MAC_STAT_COLLISIONS || \ 291 (_stat) == MAC_STAT_RBYTES || \ 292 (_stat) == MAC_STAT_IPACKETS || \ 293 (_stat) == MAC_STAT_OBYTES || \ 294 (_stat) == MAC_STAT_OPACKETS || \ 295 (_stat) == MAC_STAT_UNDERFLOWS || \ 296 (_stat) == MAC_STAT_OVERFLOWS) 297 298 /* 299 * Immutable information. (This may not be modified after registration). 300 */ 301 typedef struct mac_info_s { 302 uint_t mi_media; 303 uint_t mi_nativemedia; 304 uint_t mi_addr_length; 305 uint8_t *mi_unicst_addr; 306 uint8_t *mi_brdcst_addr; 307 } mac_info_t; 308 309 /* 310 * When VNICs are created on top of the NIC, there are two levels 311 * of MAC layer, a lower MAC, which is the MAC layer at the level of the 312 * physical NIC, and an upper MAC, which is the MAC layer at the level 313 * of the VNIC. Each VNIC maps to a MAC client at the lower MAC, and 314 * the SRS and classification is done at the lower MAC level. The upper 315 * MAC is therefore for the most part pass-through, and therefore 316 * special processing needs to be done at the upper MAC layer when 317 * dealing with a VNIC. 318 * 319 * This capability allows the MAC layer to detect when a VNIC is being 320 * access, and implement the required shortcuts. 321 */ 322 323 typedef void *(*mac_client_handle_fn_t)(void *); 324 325 typedef struct mac_capab_vnic_s { 326 void *mcv_arg; 327 mac_client_handle_fn_t mcv_mac_client_handle; 328 } mac_capab_vnic_t; 329 330 typedef void (*mac_rename_fn_t)(const char *, void *); 331 typedef struct mac_capab_aggr_s { 332 mac_rename_fn_t mca_rename_fn; 333 int (*mca_unicst)(void *, const uint8_t *); 334 } mac_capab_aggr_t; 335 336 /* Bridge transmit and receive function signatures */ 337 typedef mblk_t *(*mac_bridge_tx_t)(mac_handle_t, mac_ring_handle_t, mblk_t *); 338 typedef void (*mac_bridge_rx_t)(mac_handle_t, mac_resource_handle_t, mblk_t *); 339 typedef void (*mac_bridge_ref_t)(mac_handle_t, boolean_t); 340 typedef link_state_t (*mac_bridge_ls_t)(mac_handle_t, link_state_t); 341 342 /* must change mac_notify_cb_list[] in mac_provider.c if this is changed */ 343 typedef enum { 344 MAC_NOTE_LINK, 345 MAC_NOTE_UNICST, 346 MAC_NOTE_TX, 347 MAC_NOTE_DEVPROMISC, 348 MAC_NOTE_FASTPATH_FLUSH, 349 MAC_NOTE_SDU_SIZE, 350 MAC_NOTE_DEST, 351 MAC_NOTE_MARGIN, 352 MAC_NOTE_CAPAB_CHG, 353 MAC_NOTE_LOWLINK, 354 MAC_NNOTE /* must be the last entry */ 355 } mac_notify_type_t; 356 357 typedef void (*mac_notify_t)(void *, mac_notify_type_t); 358 typedef void (*mac_rx_t)(void *, mac_resource_handle_t, mblk_t *, 359 boolean_t); 360 typedef mblk_t *(*mac_receive_t)(void *, int); 361 362 /* 363 * MAC resource types 364 */ 365 typedef enum { 366 MAC_RX_FIFO = 1 367 } mac_resource_type_t; 368 369 typedef int (*mac_intr_enable_t)(mac_intr_handle_t); 370 typedef int (*mac_intr_disable_t)(mac_intr_handle_t); 371 372 typedef struct mac_intr_s { 373 mac_intr_handle_t mi_handle; 374 mac_intr_enable_t mi_enable; 375 mac_intr_disable_t mi_disable; 376 } mac_intr_t; 377 378 typedef struct mac_rx_fifo_s { 379 mac_resource_type_t mrf_type; /* MAC_RX_FIFO */ 380 mac_intr_t mrf_intr; 381 mac_receive_t mrf_receive; 382 void *mrf_rx_arg; 383 uint32_t mrf_flow_priority; 384 /* 385 * The CPU this flow is to be processed on. With intrd and future 386 * things, we should know which CPU the flow needs to be processed 387 * and get a squeue assigned on that CPU. 388 */ 389 uint_t mrf_cpu_id; 390 } mac_rx_fifo_t; 391 392 #define mrf_intr_handle mrf_intr.mi_handle 393 #define mrf_intr_enable mrf_intr.mi_enable 394 #define mrf_intr_disable mrf_intr.mi_disable 395 396 typedef union mac_resource_u { 397 mac_resource_type_t mr_type; 398 mac_rx_fifo_t mr_fifo; 399 } mac_resource_t; 400 401 typedef enum { 402 MAC_ADDRTYPE_UNICAST, 403 MAC_ADDRTYPE_MULTICAST, 404 MAC_ADDRTYPE_BROADCAST 405 } mac_addrtype_t; 406 407 typedef struct mac_header_info_s { 408 size_t mhi_hdrsize; 409 size_t mhi_pktsize; 410 const uint8_t *mhi_daddr; 411 const uint8_t *mhi_saddr; 412 uint32_t mhi_origsap; 413 uint32_t mhi_bindsap; 414 mac_addrtype_t mhi_dsttype; 415 uint16_t mhi_tci; 416 boolean_t mhi_istagged; 417 boolean_t mhi_ispvid; 418 } mac_header_info_t; 419 420 /* 421 * Function pointer to match dls client signature. Should be same as 422 * dls_rx_t to allow a soft ring to bypass DLS layer and call a DLS 423 * client directly. 424 */ 425 typedef void (*mac_direct_rx_t)(void *, mac_resource_handle_t, 426 mblk_t *, mac_header_info_t *); 427 428 typedef mac_resource_handle_t (*mac_resource_add_t)(void *, mac_resource_t *); 429 typedef int (*mac_resource_bind_t)(void *, 430 mac_resource_handle_t, processorid_t); 431 typedef void (*mac_resource_remove_t)(void *, void *); 432 typedef void (*mac_resource_quiesce_t)(void *, void *); 433 typedef void (*mac_resource_restart_t)(void *, void *); 434 typedef int (*mac_resource_modify_t)(void *, void *, 435 mac_resource_t *); 436 typedef void (*mac_change_upcall_t)(void *, mac_direct_rx_t, 437 void *); 438 439 /* 440 * MAC-Type plugin interfaces 441 */ 442 443 typedef int (*mtops_addr_verify_t)(const void *, void *); 444 typedef boolean_t (*mtops_sap_verify_t)(uint32_t, uint32_t *, void *); 445 typedef mblk_t *(*mtops_header_t)(const void *, const void *, 446 uint32_t, void *, mblk_t *, size_t); 447 typedef int (*mtops_header_info_t)(mblk_t *, void *, 448 mac_header_info_t *); 449 typedef boolean_t (*mtops_pdata_verify_t)(void *, size_t); 450 typedef mblk_t *(*mtops_header_modify_t)(mblk_t *, void *); 451 typedef void (*mtops_link_details_t)(char *, size_t, mac_handle_t, 452 void *); 453 454 typedef struct mactype_ops_s { 455 uint_t mtops_ops; 456 /* 457 * mtops_unicst_verify() returns 0 if the given address is a valid 458 * unicast address, or a non-zero errno otherwise. 459 */ 460 mtops_addr_verify_t mtops_unicst_verify; 461 /* 462 * mtops_multicst_verify() returns 0 if the given address is a 463 * valid multicast address, or a non-zero errno otherwise. If the 464 * media doesn't support multicast, ENOTSUP should be returned (for 465 * example). 466 */ 467 mtops_addr_verify_t mtops_multicst_verify; 468 /* 469 * mtops_sap_verify() returns B_TRUE if the given SAP is a valid 470 * SAP value, or B_FALSE otherwise. 471 */ 472 mtops_sap_verify_t mtops_sap_verify; 473 /* 474 * mtops_header() is used to allocate and construct a MAC header. 475 */ 476 mtops_header_t mtops_header; 477 /* 478 * mtops_header_info() is used to gather information on a given MAC 479 * header. 480 */ 481 mtops_header_info_t mtops_header_info; 482 /* 483 * mtops_pdata_verify() is used to verify the validity of MAC 484 * plugin data. It is called by mac_register() if the driver has 485 * supplied MAC plugin data, and also by mac_pdata_update() when 486 * drivers update the data. 487 */ 488 mtops_pdata_verify_t mtops_pdata_verify; 489 /* 490 * mtops_header_cook() is an optional callback that converts (or 491 * "cooks") the given raw header (as sent by a raw DLPI consumer) 492 * into one that is appropriate to send down to the MAC driver. 493 * Following the example above, an Ethernet header sent down by a 494 * DLPI consumer would be converted to whatever header the MAC 495 * driver expects. 496 */ 497 mtops_header_modify_t mtops_header_cook; 498 /* 499 * mtops_header_uncook() is an optional callback that does the 500 * opposite of mtops_header_cook(). It "uncooks" a given MAC 501 * header (as received from the driver) for consumption by raw DLPI 502 * consumers. For example, for a non-Ethernet plugin that wants 503 * raw DLPI consumers to be fooled into thinking that the device 504 * provides Ethernet access, this callback would modify the given 505 * mblk_t such that the MAC header is converted to an Ethernet 506 * header. 507 */ 508 mtops_header_modify_t mtops_header_uncook; 509 /* 510 * mtops_link_details() is an optional callback that provides 511 * extended information about the link state. Its primary purpose 512 * is to provide type-specific support for syslog contents on 513 * link up events. If no implementation is provided, then a default 514 * implementation will be used. 515 */ 516 mtops_link_details_t mtops_link_details; 517 } mactype_ops_t; 518 519 /* 520 * mtops_ops exists for the plugin to enumerate the optional callback 521 * entrypoints it has defined. This allows the mac module to define 522 * additional plugin entrypoints in mactype_ops_t without breaking backward 523 * compatibility with old plugins. 524 */ 525 #define MTOPS_PDATA_VERIFY 0x001 526 #define MTOPS_HEADER_COOK 0x002 527 #define MTOPS_HEADER_UNCOOK 0x004 528 #define MTOPS_LINK_DETAILS 0x008 529 530 /* 531 * Provide mapping for legacy ndd ioctls relevant to that mactype. 532 * Note that the ndd ioctls are obsolete, and may be removed in a future 533 * release of Solaris. The ndd ioctls are not typically used in legacy 534 * ethernet drivers. New datalink drivers of all link-types should use 535 * dladm(1m) interfaces for administering tunables and not have to provide 536 * a mapping. 537 */ 538 typedef struct mac_ndd_mapping_s { 539 char *mp_name; 540 union { 541 mac_prop_id_t u_id; 542 uint_t u_kstat; 543 } u_mp_id; 544 long mp_minval; 545 long mp_maxval; 546 size_t mp_valsize; 547 int mp_flags; 548 } mac_ndd_mapping_t; 549 550 #define mp_prop_id u_mp_id.u_id 551 #define mp_kstat u_mp_id.u_kstat 552 553 typedef struct mac_stat_info_s { 554 uint_t msi_stat; 555 char *msi_name; 556 uint_t msi_type; /* as defined in kstat_named_init(9F) */ 557 uint64_t msi_default; 558 } mac_stat_info_t; 559 560 typedef struct mactype_register_s { 561 uint_t mtr_version; /* set by mactype_alloc() */ 562 const char *mtr_ident; 563 mactype_ops_t *mtr_ops; 564 uint_t mtr_mactype; 565 uint_t mtr_nativetype; 566 uint_t mtr_addrlen; 567 uint8_t *mtr_brdcst_addr; 568 mac_stat_info_t *mtr_stats; 569 size_t mtr_statcount; 570 mac_ndd_mapping_t *mtr_mapping; 571 size_t mtr_mappingcount; 572 } mactype_register_t; 573 574 typedef struct mac_prop_s { 575 mac_prop_id_t mp_id; 576 char *mp_name; 577 uint_t mp_flags; 578 } mac_prop_t; 579 580 /* 581 * Driver interface functions. 582 */ 583 extern int mac_open_by_linkid(datalink_id_t, 584 mac_handle_t *); 585 extern int mac_open_by_linkname(const char *, 586 mac_handle_t *); 587 extern const char *mac_name(mac_handle_t); 588 extern minor_t mac_minor(mac_handle_t); 589 extern minor_t mac_minor_hold(boolean_t); 590 extern void mac_minor_rele(minor_t); 591 extern void mac_sdu_get(mac_handle_t, uint_t *, uint_t *); 592 extern int mac_maxsdu_update(mac_handle_t, uint_t); 593 extern uint_t mac_addr_len(mac_handle_t); 594 extern int mac_type(mac_handle_t); 595 596 extern void mac_unicst_update(mac_handle_t, 597 const uint8_t *); 598 extern void mac_capab_update(mac_handle_t); 599 extern int mac_pdata_update(mac_handle_t, void *, 600 size_t); 601 extern boolean_t mac_margin_update(mac_handle_t, uint32_t); 602 extern void mac_margin_get(mac_handle_t, uint32_t *); 603 extern int mac_margin_remove(mac_handle_t, uint32_t); 604 extern int mac_margin_add(mac_handle_t, uint32_t *, 605 boolean_t); 606 extern int mac_fastpath_disable(mac_handle_t); 607 extern void mac_fastpath_enable(mac_handle_t); 608 extern void mac_no_active(mac_handle_t); 609 610 extern mactype_register_t *mactype_alloc(uint_t); 611 extern void mactype_free(mactype_register_t *); 612 extern int mactype_register(mactype_register_t *); 613 extern int mactype_unregister(const char *); 614 615 extern int mac_start_logusage(mac_logtype_t, uint_t); 616 extern void mac_stop_logusage(mac_logtype_t); 617 618 extern mac_handle_t mac_get_lower_mac_handle(mac_handle_t); 619 620 /* 621 * Packet hashing for distribution to multiple ports and rings. 622 */ 623 624 #define MAC_PKT_HASH_L2 0x01 625 #define MAC_PKT_HASH_L3 0x02 626 #define MAC_PKT_HASH_L4 0x04 627 628 extern uint64_t mac_pkt_hash(uint_t, mblk_t *, uint8_t, 629 boolean_t); 630 631 /* 632 * Bridging linkage 633 */ 634 extern void mac_rx_common(mac_handle_t, 635 mac_resource_handle_t, mblk_t *); 636 extern int mac_bridge_set(mac_handle_t, mac_handle_t); 637 extern void mac_bridge_clear(mac_handle_t, mac_handle_t); 638 extern void mac_bridge_vectors(mac_bridge_tx_t, 639 mac_bridge_rx_t, mac_bridge_ref_t, 640 mac_bridge_ls_t); 641 642 /* special case function for TRILL observability */ 643 extern void mac_trill_snoop(mac_handle_t, mblk_t *); 644 645 #endif /* _KERNEL */ 646 647 #ifdef __cplusplus 648 } 649 #endif 650 651 #endif /* _SYS_MAC_H */ 652