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 v1.20" 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 #define MAC_MAX_MINOR 1000 71 72 typedef enum { 73 LINK_STATE_UNKNOWN = -1, 74 LINK_STATE_DOWN, 75 LINK_STATE_UP 76 } link_state_t; 77 78 typedef enum { 79 LINK_DUPLEX_UNKNOWN = 0, 80 LINK_DUPLEX_HALF, 81 LINK_DUPLEX_FULL 82 } link_duplex_t; 83 84 typedef enum { 85 LINK_FLOWCTRL_NONE = 0, 86 LINK_FLOWCTRL_RX, 87 LINK_FLOWCTRL_TX, 88 LINK_FLOWCTRL_BI 89 } link_flowctrl_t; 90 91 typedef enum { 92 LINK_TAGMODE_VLANONLY = 0, 93 LINK_TAGMODE_NORMAL 94 } link_tagmode_t; 95 96 /* 97 * Defines range of uint32 values 98 */ 99 typedef struct mac_propval_uint32_range_s { 100 uint32_t mpur_min; 101 uint32_t mpur_max; 102 } mac_propval_uint32_range_t; 103 104 /* 105 * Data type of the value 106 */ 107 typedef enum { 108 MAC_PROPVAL_UINT32 = 0x1 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 * See PSARC 2009/235 for more information. 118 */ 119 typedef struct mac_propval_range_s { 120 uint_t mpr_count; /* count of ranges */ 121 mac_propval_type_t mpr_type; /* type of value */ 122 union { 123 mac_propval_uint32_range_t mpr_uint32[1]; 124 } u; 125 } mac_propval_range_t; 126 127 #define range_uint32 u.mpr_uint32 128 129 /* 130 * Maximum MAC address length 131 */ 132 #define MAXMACADDRLEN 20 133 134 typedef enum { 135 MAC_LOGTYPE_LINK = 1, 136 MAC_LOGTYPE_FLOW 137 } mac_logtype_t; 138 139 /* 140 * Encodings for public properties. 141 * A most significant bit value of 1 indicates private property, intended 142 * to allow private property implementations to use internal encodings 143 * if desired. 144 * 145 * Note that there are 2 sets of parameters: the *_EN_* 146 * values are those that the Administrator configures for autonegotiation. 147 * The _ADV_* values are those that are currently exposed over the wire. 148 */ 149 #define MAXLINKPROPNAME 256 150 #define MAC_PROP_DEFAULT 0x0001 /* default property value */ 151 152 /* 153 * Indicates the linkprop framework is interested in knowing the list of 154 * possible property values. When used to obtain possible values for a 155 * property, one may have to change all the drivers. See PSARC 2009/235. 156 */ 157 #define MAC_PROP_POSSIBLE 0x0002 /* possible property values */ 158 159 typedef enum { 160 MAC_PROP_DUPLEX = 0x00000001, 161 MAC_PROP_SPEED, 162 MAC_PROP_STATUS, 163 MAC_PROP_AUTONEG, 164 MAC_PROP_EN_AUTONEG, 165 MAC_PROP_MTU, 166 MAC_PROP_ZONE, 167 MAC_PROP_AUTOPUSH, 168 MAC_PROP_FLOWCTRL, 169 MAC_PROP_ADV_1000FDX_CAP, 170 MAC_PROP_EN_1000FDX_CAP, 171 MAC_PROP_ADV_1000HDX_CAP, 172 MAC_PROP_EN_1000HDX_CAP, 173 MAC_PROP_ADV_100FDX_CAP, 174 MAC_PROP_EN_100FDX_CAP, 175 MAC_PROP_ADV_100HDX_CAP, 176 MAC_PROP_EN_100HDX_CAP, 177 MAC_PROP_ADV_10FDX_CAP, 178 MAC_PROP_EN_10FDX_CAP, 179 MAC_PROP_ADV_10HDX_CAP, 180 MAC_PROP_EN_10HDX_CAP, 181 MAC_PROP_ADV_100T4_CAP, 182 MAC_PROP_EN_100T4_CAP, 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_PRIVATE = -1 212 } mac_prop_id_t; 213 214 /* 215 * Flags to figure out r/w status of legacy ndd props. 216 */ 217 #define MAC_PROP_PERM_READ 0x0001 218 #define MAC_PROP_PERM_WRITE 0x0010 219 #define MAC_PROP_MAP_KSTAT 0x0100 220 #define MAC_PROP_PERM_RW (MAC_PROP_PERM_READ|MAC_PROP_PERM_WRITE) 221 #define MAC_PROP_FLAGS_RK (MAC_PROP_PERM_READ|MAC_PROP_MAP_KSTAT) 222 223 #ifdef _KERNEL 224 225 /* 226 * There are three ranges of statistics values. 0 to 1 - MAC_STAT_MIN are 227 * interface statistics maintained by the mac module. MAC_STAT_MIN to 1 - 228 * MACTYPE_STAT_MIN are common MAC statistics defined by the mac module and 229 * maintained by each driver. MACTYPE_STAT_MIN and above are statistics 230 * defined by MAC-Type plugins and maintained by each driver. 231 */ 232 #define MAC_STAT_MIN 1000 233 #define MACTYPE_STAT_MIN 2000 234 235 #define IS_MAC_STAT(stat) \ 236 (stat >= MAC_STAT_MIN && stat < MACTYPE_STAT_MIN) 237 #define IS_MACTYPE_STAT(stat) (stat >= MACTYPE_STAT_MIN) 238 239 /* 240 * Statistics maintained by the mac module, and possibly populated as link 241 * statistics. 242 */ 243 enum mac_mod_stat { 244 MAC_STAT_LINK_STATE, 245 MAC_STAT_LINK_UP, 246 MAC_STAT_PROMISC 247 }; 248 249 /* 250 * Do not reorder, and add only to the end of this list. 251 */ 252 enum mac_driver_stat { 253 /* MIB-II stats (RFC 1213 and RFC 1573) */ 254 MAC_STAT_IFSPEED = MAC_STAT_MIN, 255 MAC_STAT_MULTIRCV, 256 MAC_STAT_BRDCSTRCV, 257 MAC_STAT_MULTIXMT, 258 MAC_STAT_BRDCSTXMT, 259 MAC_STAT_NORCVBUF, 260 MAC_STAT_IERRORS, 261 MAC_STAT_UNKNOWNS, 262 MAC_STAT_NOXMTBUF, 263 MAC_STAT_OERRORS, 264 MAC_STAT_COLLISIONS, 265 MAC_STAT_RBYTES, 266 MAC_STAT_IPACKETS, 267 MAC_STAT_OBYTES, 268 MAC_STAT_OPACKETS, 269 MAC_STAT_UNDERFLOWS, 270 MAC_STAT_OVERFLOWS 271 }; 272 273 #define MAC_NSTAT (MAC_STAT_OVERFLOWS - MAC_STAT_IFSPEED + 1) 274 275 #define MAC_STAT_ISACOUNTER(_stat) ( \ 276 (_stat) == MAC_STAT_MULTIRCV || \ 277 (_stat) == MAC_STAT_BRDCSTRCV || \ 278 (_stat) == MAC_STAT_MULTIXMT || \ 279 (_stat) == MAC_STAT_BRDCSTXMT || \ 280 (_stat) == MAC_STAT_NORCVBUF || \ 281 (_stat) == MAC_STAT_IERRORS || \ 282 (_stat) == MAC_STAT_UNKNOWNS || \ 283 (_stat) == MAC_STAT_NOXMTBUF || \ 284 (_stat) == MAC_STAT_OERRORS || \ 285 (_stat) == MAC_STAT_COLLISIONS || \ 286 (_stat) == MAC_STAT_RBYTES || \ 287 (_stat) == MAC_STAT_IPACKETS || \ 288 (_stat) == MAC_STAT_OBYTES || \ 289 (_stat) == MAC_STAT_OPACKETS || \ 290 (_stat) == MAC_STAT_UNDERFLOWS || \ 291 (_stat) == MAC_STAT_OVERFLOWS) 292 293 /* 294 * Immutable information. (This may not be modified after registration). 295 */ 296 typedef struct mac_info_s { 297 uint_t mi_media; 298 uint_t mi_nativemedia; 299 uint_t mi_addr_length; 300 uint8_t *mi_unicst_addr; 301 uint8_t *mi_brdcst_addr; 302 } mac_info_t; 303 304 /* 305 * When VNICs are created on top of the NIC, there are two levels 306 * of MAC layer, a lower MAC, which is the MAC layer at the level of the 307 * physical NIC, and an upper MAC, which is the MAC layer at the level 308 * of the VNIC. Each VNIC maps to a MAC client at the lower MAC, and 309 * the SRS and classification is done at the lower MAC level. The upper 310 * MAC is therefore for the most part pass-through, and therefore 311 * special processing needs to be done at the upper MAC layer when 312 * dealing with a VNIC. 313 * 314 * This capability allows the MAC layer to detect when a VNIC is being 315 * access, and implement the required shortcuts. 316 */ 317 318 typedef void *(*mac_client_handle_fn_t)(void *); 319 320 typedef struct mac_capab_vnic_s { 321 void *mcv_arg; 322 mac_client_handle_fn_t mcv_mac_client_handle; 323 } mac_capab_vnic_t; 324 325 typedef void (*mac_rename_fn_t)(const char *, void *); 326 typedef struct mac_capab_aggr_s { 327 mac_rename_fn_t mca_rename_fn; 328 int (*mca_unicst)(void *, const uint8_t *); 329 } mac_capab_aggr_t; 330 331 typedef enum { 332 MAC_NOTE_LINK, 333 MAC_NOTE_PROMISC, 334 MAC_NOTE_UNICST, 335 MAC_NOTE_TX, 336 MAC_NOTE_RESOURCE, 337 MAC_NOTE_DEVPROMISC, 338 MAC_NOTE_FASTPATH_FLUSH, 339 MAC_NOTE_SDU_SIZE, 340 MAC_NOTE_MARGIN, 341 MAC_NOTE_CAPAB_CHG, 342 MAC_NNOTE /* must be the last entry */ 343 } mac_notify_type_t; 344 345 typedef void (*mac_notify_t)(void *, mac_notify_type_t); 346 typedef void (*mac_rx_t)(void *, mac_resource_handle_t, mblk_t *, 347 boolean_t); 348 typedef mblk_t *(*mac_receive_t)(void *, int); 349 350 /* 351 * MAC promiscuous types 352 */ 353 typedef enum { 354 MAC_PROMISC = 0x01, /* MAC instance is promiscuous */ 355 MAC_DEVPROMISC = 0x02 /* Device is promiscuous */ 356 } mac_promisc_type_t; 357 358 /* 359 * MAC resource types 360 */ 361 typedef enum { 362 MAC_RX_FIFO = 1 363 } mac_resource_type_t; 364 365 typedef int (*mac_intr_enable_t)(mac_intr_handle_t); 366 typedef int (*mac_intr_disable_t)(mac_intr_handle_t); 367 368 typedef struct mac_intr_s { 369 mac_intr_handle_t mi_handle; 370 mac_intr_enable_t mi_enable; 371 mac_intr_disable_t mi_disable; 372 } mac_intr_t; 373 374 typedef struct mac_rx_fifo_s { 375 mac_resource_type_t mrf_type; /* MAC_RX_FIFO */ 376 mac_intr_t mrf_intr; 377 mac_receive_t mrf_receive; 378 void *mrf_rx_arg; 379 uint32_t mrf_flow_priority; 380 /* 381 * The CPU this flow is to be processed on. With intrd and future 382 * things, we should know which CPU the flow needs to be processed 383 * and get a squeue assigned on that CPU. 384 */ 385 uint_t mrf_cpu_id; 386 } mac_rx_fifo_t; 387 388 #define mrf_intr_handle mrf_intr.mi_handle 389 #define mrf_intr_enable mrf_intr.mi_enable 390 #define mrf_intr_disable mrf_intr.mi_disable 391 392 typedef union mac_resource_u { 393 mac_resource_type_t mr_type; 394 mac_rx_fifo_t mr_fifo; 395 } mac_resource_t; 396 397 typedef enum { 398 MAC_ADDRTYPE_UNICAST, 399 MAC_ADDRTYPE_MULTICAST, 400 MAC_ADDRTYPE_BROADCAST 401 } mac_addrtype_t; 402 403 typedef struct mac_header_info_s { 404 size_t mhi_hdrsize; 405 size_t mhi_pktsize; 406 const uint8_t *mhi_daddr; 407 const uint8_t *mhi_saddr; 408 uint32_t mhi_origsap; 409 uint32_t mhi_bindsap; 410 mac_addrtype_t mhi_dsttype; 411 uint16_t mhi_tci; 412 boolean_t mhi_istagged; 413 } mac_header_info_t; 414 415 /* 416 * Function pointer to match dls client signature. Should be same as 417 * dls_rx_t to allow a soft ring to bypass DLS layer and call a DLS 418 * client directly. 419 */ 420 typedef void (*mac_direct_rx_t)(void *, mac_resource_handle_t, 421 mblk_t *, mac_header_info_t *); 422 423 typedef mac_resource_handle_t (*mac_resource_add_t)(void *, mac_resource_t *); 424 typedef int (*mac_resource_bind_t)(void *, 425 mac_resource_handle_t, processorid_t); 426 typedef void (*mac_resource_remove_t)(void *, void *); 427 typedef void (*mac_resource_quiesce_t)(void *, void *); 428 typedef void (*mac_resource_restart_t)(void *, void *); 429 typedef int (*mac_resource_modify_t)(void *, void *, 430 mac_resource_t *); 431 typedef void (*mac_change_upcall_t)(void *, mac_direct_rx_t, 432 void *); 433 434 /* 435 * MAC-Type plugin interfaces 436 */ 437 438 typedef int (*mtops_addr_verify_t)(const void *, void *); 439 typedef boolean_t (*mtops_sap_verify_t)(uint32_t, uint32_t *, void *); 440 typedef mblk_t *(*mtops_header_t)(const void *, const void *, 441 uint32_t, void *, mblk_t *, size_t); 442 typedef int (*mtops_header_info_t)(mblk_t *, void *, 443 mac_header_info_t *); 444 typedef boolean_t (*mtops_pdata_verify_t)(void *, size_t); 445 typedef mblk_t *(*mtops_header_modify_t)(mblk_t *, void *); 446 typedef void (*mtops_link_details_t)(char *, size_t, mac_handle_t, 447 void *); 448 449 typedef struct mactype_ops_s { 450 uint_t mtops_ops; 451 /* 452 * mtops_unicst_verify() returns 0 if the given address is a valid 453 * unicast address, or a non-zero errno otherwise. 454 */ 455 mtops_addr_verify_t mtops_unicst_verify; 456 /* 457 * mtops_multicst_verify() returns 0 if the given address is a 458 * valid multicast address, or a non-zero errno otherwise. If the 459 * media doesn't support multicast, ENOTSUP should be returned (for 460 * example). 461 */ 462 mtops_addr_verify_t mtops_multicst_verify; 463 /* 464 * mtops_sap_verify() returns B_TRUE if the given SAP is a valid 465 * SAP value, or B_FALSE otherwise. 466 */ 467 mtops_sap_verify_t mtops_sap_verify; 468 /* 469 * mtops_header() is used to allocate and construct a MAC header. 470 */ 471 mtops_header_t mtops_header; 472 /* 473 * mtops_header_info() is used to gather information on a given MAC 474 * header. 475 */ 476 mtops_header_info_t mtops_header_info; 477 /* 478 * mtops_pdata_verify() is used to verify the validity of MAC 479 * plugin data. It is called by mac_register() if the driver has 480 * supplied MAC plugin data, and also by mac_pdata_update() when 481 * drivers update the data. 482 */ 483 mtops_pdata_verify_t mtops_pdata_verify; 484 /* 485 * mtops_header_cook() is an optional callback that converts (or 486 * "cooks") the given raw header (as sent by a raw DLPI consumer) 487 * into one that is appropriate to send down to the MAC driver. 488 * Following the example above, an Ethernet header sent down by a 489 * DLPI consumer would be converted to whatever header the MAC 490 * driver expects. 491 */ 492 mtops_header_modify_t mtops_header_cook; 493 /* 494 * mtops_header_uncook() is an optional callback that does the 495 * opposite of mtops_header_cook(). It "uncooks" a given MAC 496 * header (as received from the driver) for consumption by raw DLPI 497 * consumers. For example, for a non-Ethernet plugin that wants 498 * raw DLPI consumers to be fooled into thinking that the device 499 * provides Ethernet access, this callback would modify the given 500 * mblk_t such that the MAC header is converted to an Ethernet 501 * header. 502 */ 503 mtops_header_modify_t mtops_header_uncook; 504 /* 505 * mtops_link_details() is an optional callback that provides 506 * extended information about the link state. Its primary purpose 507 * is to provide type-specific support for syslog contents on 508 * link up events. If no implementation is provided, then a default 509 * implementation will be used. 510 */ 511 mtops_link_details_t mtops_link_details; 512 } mactype_ops_t; 513 514 /* 515 * mtops_ops exists for the plugin to enumerate the optional callback 516 * entrypoints it has defined. This allows the mac module to define 517 * additional plugin entrypoints in mactype_ops_t without breaking backward 518 * compatibility with old plugins. 519 */ 520 #define MTOPS_PDATA_VERIFY 0x001 521 #define MTOPS_HEADER_COOK 0x002 522 #define MTOPS_HEADER_UNCOOK 0x004 523 #define MTOPS_LINK_DETAILS 0x008 524 525 /* 526 * Provide mapping for legacy ndd ioctls relevant to that mactype. 527 * Note that the ndd ioctls are obsolete, and may be removed in a future 528 * release of Solaris. The ndd ioctls are not typically used in legacy 529 * ethernet drivers. New datalink drivers of all link-types should use 530 * dladm(1m) interfaces for administering tunables and not have to provide 531 * a mapping. 532 */ 533 typedef struct mac_ndd_mapping_s { 534 char *mp_name; 535 union { 536 mac_prop_id_t u_id; 537 uint_t u_kstat; 538 } u_mp_id; 539 long mp_minval; 540 long mp_maxval; 541 size_t mp_valsize; 542 int mp_flags; 543 } mac_ndd_mapping_t; 544 545 #define mp_prop_id u_mp_id.u_id 546 #define mp_kstat u_mp_id.u_kstat 547 548 typedef struct mac_stat_info_s { 549 uint_t msi_stat; 550 char *msi_name; 551 uint_t msi_type; /* as defined in kstat_named_init(9F) */ 552 uint64_t msi_default; 553 } mac_stat_info_t; 554 555 typedef struct mactype_register_s { 556 uint_t mtr_version; /* set by mactype_alloc() */ 557 const char *mtr_ident; 558 mactype_ops_t *mtr_ops; 559 uint_t mtr_mactype; 560 uint_t mtr_nativetype; 561 uint_t mtr_addrlen; 562 uint8_t *mtr_brdcst_addr; 563 mac_stat_info_t *mtr_stats; 564 size_t mtr_statcount; 565 mac_ndd_mapping_t *mtr_mapping; 566 size_t mtr_mappingcount; 567 } mactype_register_t; 568 569 typedef struct mac_prop_s { 570 mac_prop_id_t mp_id; 571 char *mp_name; 572 uint_t mp_flags; 573 } mac_prop_t; 574 575 /* 576 * Driver interface functions. 577 */ 578 extern int mac_open_by_linkid(datalink_id_t, 579 mac_handle_t *); 580 extern int mac_open_by_linkname(const char *, 581 mac_handle_t *); 582 extern const char *mac_name(mac_handle_t); 583 extern minor_t mac_minor(mac_handle_t); 584 extern minor_t mac_minor_hold(boolean_t); 585 extern void mac_minor_rele(minor_t); 586 extern void mac_sdu_get(mac_handle_t, uint_t *, uint_t *); 587 extern int mac_maxsdu_update(mac_handle_t, uint_t); 588 589 extern void mac_unicst_update(mac_handle_t, 590 const uint8_t *); 591 extern void mac_resource_update(mac_handle_t); 592 extern void mac_capab_update(mac_handle_t); 593 extern int mac_pdata_update(mac_handle_t, void *, 594 size_t); 595 extern boolean_t mac_margin_update(mac_handle_t, uint32_t); 596 extern void mac_margin_get(mac_handle_t, uint32_t *); 597 extern int mac_margin_remove(mac_handle_t, uint32_t); 598 extern int mac_margin_add(mac_handle_t, uint32_t *, 599 boolean_t); 600 extern int mac_fastpath_disable(mac_handle_t); 601 extern void mac_fastpath_enable(mac_handle_t); 602 603 extern mactype_register_t *mactype_alloc(uint_t); 604 extern void mactype_free(mactype_register_t *); 605 extern int mactype_register(mactype_register_t *); 606 extern int mactype_unregister(const char *); 607 608 extern int mac_start_logusage(mac_logtype_t, uint_t); 609 extern void mac_stop_logusage(mac_logtype_t); 610 611 extern mac_handle_t mac_get_lower_mac_handle(mac_handle_t); 612 613 /* 614 * Packet hashing for distribution to multiple ports and rings. 615 */ 616 617 #define MAC_PKT_HASH_L2 0x01 618 #define MAC_PKT_HASH_L3 0x02 619 #define MAC_PKT_HASH_L4 0x04 620 621 extern uint64_t mac_pkt_hash(uint_t, mblk_t *, uint8_t, 622 boolean_t); 623 624 #endif /* _KERNEL */ 625 626 #ifdef __cplusplus 627 } 628 #endif 629 630 #endif /* _SYS_MAC_H */ 631