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