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 #include <sys/ddi.h> 32 #include <sys/sunddi.h> 33 #include <sys/stream.h> 34 #include <sys/mac_flow.h> 35 36 /* 37 * MAC Services Module 38 */ 39 40 #ifdef __cplusplus 41 extern "C" { 42 #endif 43 44 /* 45 * MAC Information (text emitted by modinfo(1m)) 46 */ 47 #define MAC_INFO "MAC Services v1.20" 48 49 /* 50 * MAC-Type version identifier. This is used by mactype_alloc() and 51 * mactype_register() to verify that incompatible MAC-Type plugins don't 52 * register. 53 */ 54 #define MACTYPE_VERSION 0x1 55 56 /* 57 * Opaque handle types 58 */ 59 typedef struct __mac_handle *mac_handle_t; 60 typedef struct __mac_resource_handle *mac_resource_handle_t; 61 typedef struct __mac_notify_handle *mac_notify_handle_t; 62 typedef struct __mac_tx_notify_handle *mac_tx_notify_handle_t; 63 typedef struct __mac_intr_handle *mac_intr_handle_t; 64 typedef struct __mac_ring_handle *mac_ring_handle_t; 65 typedef struct __mac_group_handle *mac_group_handle_t; 66 67 #define DATALINK_INVALID_LINKID 0 68 #define DATALINK_ALL_LINKID 0 69 #define DATALINK_MAX_LINKID 0xffffffff 70 71 #define MAC_MAX_MINOR 1000 72 73 typedef uint32_t datalink_id_t; 74 75 typedef enum { 76 LINK_STATE_UNKNOWN = -1, 77 LINK_STATE_DOWN, 78 LINK_STATE_UP 79 } link_state_t; 80 81 typedef enum { 82 LINK_DUPLEX_UNKNOWN = 0, 83 LINK_DUPLEX_HALF, 84 LINK_DUPLEX_FULL 85 } link_duplex_t; 86 87 typedef enum { 88 LINK_FLOWCTRL_NONE = 0, 89 LINK_FLOWCTRL_RX, 90 LINK_FLOWCTRL_TX, 91 LINK_FLOWCTRL_BI 92 } link_flowctrl_t; 93 94 /* 95 * Maximum MAC address length 96 */ 97 #define MAXMACADDRLEN 20 98 99 typedef enum { 100 MAC_LOGTYPE_LINK = 1, 101 MAC_LOGTYPE_FLOW 102 } mac_logtype_t; 103 104 /* 105 * Encodings for public properties. 106 * A most significant bit value of 1 indicates private property, intended 107 * to allow private property implementations to use internal encodings 108 * if desired. 109 * 110 * Note that there are 2 sets of parameters: the *_EN_* 111 * values are those that the Administrator configures for autonegotiation. 112 * The _ADV_* values are those that are currently exposed over the wire. 113 */ 114 #define MAXLINKPROPNAME 256 115 #define MAC_PROP_DEFAULT 0x0001 116 typedef enum { 117 MAC_PROP_DUPLEX = 0x00000001, 118 MAC_PROP_SPEED, 119 MAC_PROP_STATUS, 120 MAC_PROP_AUTONEG, 121 MAC_PROP_EN_AUTONEG, 122 MAC_PROP_MTU, 123 MAC_PROP_ZONE, 124 MAC_PROP_AUTOPUSH, 125 MAC_PROP_FLOWCTRL, 126 MAC_PROP_ADV_1000FDX_CAP, 127 MAC_PROP_EN_1000FDX_CAP, 128 MAC_PROP_ADV_1000HDX_CAP, 129 MAC_PROP_EN_1000HDX_CAP, 130 MAC_PROP_ADV_100FDX_CAP, 131 MAC_PROP_EN_100FDX_CAP, 132 MAC_PROP_ADV_100HDX_CAP, 133 MAC_PROP_EN_100HDX_CAP, 134 MAC_PROP_ADV_10FDX_CAP, 135 MAC_PROP_EN_10FDX_CAP, 136 MAC_PROP_ADV_10HDX_CAP, 137 MAC_PROP_EN_10HDX_CAP, 138 MAC_PROP_ADV_100T4_CAP, 139 MAC_PROP_EN_100T4_CAP, 140 MAC_PROP_WL_ESSID, 141 MAC_PROP_WL_BSSID, 142 MAC_PROP_WL_BSSTYPE, 143 MAC_PROP_WL_LINKSTATUS, 144 MAC_PROP_WL_DESIRED_RATES, 145 MAC_PROP_WL_SUPPORTED_RATES, 146 MAC_PROP_WL_AUTH_MODE, 147 MAC_PROP_WL_ENCRYPTION, 148 MAC_PROP_WL_RSSI, 149 MAC_PROP_WL_PHY_CONFIG, 150 MAC_PROP_WL_CAPABILITY, 151 MAC_PROP_WL_WPA, 152 MAC_PROP_WL_SCANRESULTS, 153 MAC_PROP_WL_POWER_MODE, 154 MAC_PROP_WL_RADIO, 155 MAC_PROP_WL_ESS_LIST, 156 MAC_PROP_WL_KEY_TAB, 157 MAC_PROP_WL_CREATE_IBSS, 158 MAC_PROP_WL_SETOPTIE, 159 MAC_PROP_WL_DELKEY, 160 MAC_PROP_WL_KEY, 161 MAC_PROP_WL_MLME, 162 MAC_PROP_MAXBW, 163 MAC_PROP_PRIO, 164 MAC_PROP_BIND_CPU, 165 MAC_PROP_PRIVATE = -1 166 } mac_prop_id_t; 167 168 /* 169 * Flags to figure out r/w status of legacy ndd props. 170 */ 171 #define MAC_PROP_PERM_READ 0x0001 172 #define MAC_PROP_PERM_WRITE 0x0010 173 #define MAC_PROP_MAP_KSTAT 0x0100 174 #define MAC_PROP_PERM_RW (MAC_PROP_PERM_READ|MAC_PROP_PERM_WRITE) 175 #define MAC_PROP_FLAGS_RK (MAC_PROP_PERM_READ|MAC_PROP_MAP_KSTAT) 176 177 #ifdef _KERNEL 178 179 /* 180 * There are three ranges of statistics values. 0 to 1 - MAC_STAT_MIN are 181 * interface statistics maintained by the mac module. MAC_STAT_MIN to 1 - 182 * MACTYPE_STAT_MIN are common MAC statistics defined by the mac module and 183 * maintained by each driver. MACTYPE_STAT_MIN and above are statistics 184 * defined by MAC-Type plugins and maintained by each driver. 185 */ 186 #define MAC_STAT_MIN 1000 187 #define MACTYPE_STAT_MIN 2000 188 189 #define IS_MAC_STAT(stat) \ 190 (stat >= MAC_STAT_MIN && stat < MACTYPE_STAT_MIN) 191 #define IS_MACTYPE_STAT(stat) (stat >= MACTYPE_STAT_MIN) 192 193 /* 194 * Statistics maintained by the mac module, and possibly populated as link 195 * statistics. 196 */ 197 enum mac_mod_stat { 198 MAC_STAT_LINK_STATE, 199 MAC_STAT_LINK_UP, 200 MAC_STAT_PROMISC 201 }; 202 203 /* 204 * Do not reorder, and add only to the end of this list. 205 */ 206 enum mac_driver_stat { 207 /* MIB-II stats (RFC 1213 and RFC 1573) */ 208 MAC_STAT_IFSPEED = MAC_STAT_MIN, 209 MAC_STAT_MULTIRCV, 210 MAC_STAT_BRDCSTRCV, 211 MAC_STAT_MULTIXMT, 212 MAC_STAT_BRDCSTXMT, 213 MAC_STAT_NORCVBUF, 214 MAC_STAT_IERRORS, 215 MAC_STAT_UNKNOWNS, 216 MAC_STAT_NOXMTBUF, 217 MAC_STAT_OERRORS, 218 MAC_STAT_COLLISIONS, 219 MAC_STAT_RBYTES, 220 MAC_STAT_IPACKETS, 221 MAC_STAT_OBYTES, 222 MAC_STAT_OPACKETS, 223 MAC_STAT_UNDERFLOWS, 224 MAC_STAT_OVERFLOWS 225 }; 226 227 #define MAC_NSTAT (MAC_STAT_OVERFLOWS - MAC_STAT_IFSPEED + 1) 228 229 #define MAC_STAT_ISACOUNTER(_stat) ( \ 230 (_stat) == MAC_STAT_MULTIRCV || \ 231 (_stat) == MAC_STAT_BRDCSTRCV || \ 232 (_stat) == MAC_STAT_MULTIXMT || \ 233 (_stat) == MAC_STAT_BRDCSTXMT || \ 234 (_stat) == MAC_STAT_NORCVBUF || \ 235 (_stat) == MAC_STAT_IERRORS || \ 236 (_stat) == MAC_STAT_UNKNOWNS || \ 237 (_stat) == MAC_STAT_NOXMTBUF || \ 238 (_stat) == MAC_STAT_OERRORS || \ 239 (_stat) == MAC_STAT_COLLISIONS || \ 240 (_stat) == MAC_STAT_RBYTES || \ 241 (_stat) == MAC_STAT_IPACKETS || \ 242 (_stat) == MAC_STAT_OBYTES || \ 243 (_stat) == MAC_STAT_OPACKETS || \ 244 (_stat) == MAC_STAT_UNDERFLOWS || \ 245 (_stat) == MAC_STAT_OVERFLOWS) 246 247 /* 248 * Immutable information. (This may not be modified after registration). 249 */ 250 typedef struct mac_info_s { 251 uint_t mi_media; 252 uint_t mi_nativemedia; 253 uint_t mi_addr_length; 254 uint8_t *mi_unicst_addr; 255 uint8_t *mi_brdcst_addr; 256 } mac_info_t; 257 258 /* 259 * Information for legacy devices. 260 */ 261 typedef struct mac_capab_legacy_s { 262 /* 263 * Notifications that the legacy device does not support. 264 */ 265 uint32_t ml_unsup_note; 266 /* 267 * dev_t of the legacy device; can be held to force attach. 268 */ 269 dev_t ml_dev; 270 } mac_capab_legacy_t; 271 272 /* 273 * When VNICs are created on top of the NIC, there are two levels 274 * of MAC layer, a lower MAC, which is the MAC layer at the level of the 275 * physical NIC, and an upper MAC, which is the MAC layer at the level 276 * of the VNIC. Each VNIC maps to a MAC client at the lower MAC, and 277 * the SRS and classification is done at the lower MAC level. The upper 278 * MAC is therefore for the most part pass-through, and therefore 279 * special processing needs to be done at the upper MAC layer when 280 * dealing with a VNIC. 281 * 282 * This capability allows the MAC layer to detect when a VNIC is being 283 * access, and implement the required shortcuts. 284 */ 285 286 typedef void *(*mac_client_handle_fn_t)(void *); 287 288 typedef struct mac_capab_vnic_s { 289 void *mcv_arg; 290 mac_client_handle_fn_t mcv_mac_client_handle; 291 } mac_capab_vnic_t; 292 293 typedef void (*mac_rename_fn_t)(const char *, void *); 294 typedef struct mac_capab_aggr_s { 295 mac_rename_fn_t mca_rename_fn; 296 int (*mca_unicst)(void *, const uint8_t *); 297 } mac_capab_aggr_t; 298 299 typedef enum { 300 MAC_NOTE_LINK, 301 MAC_NOTE_PROMISC, 302 MAC_NOTE_UNICST, 303 MAC_NOTE_TX, 304 MAC_NOTE_RESOURCE, 305 MAC_NOTE_DEVPROMISC, 306 MAC_NOTE_FASTPATH_FLUSH, 307 MAC_NOTE_SDU_SIZE, 308 MAC_NOTE_MARGIN, 309 MAC_NOTE_CAPAB_CHG, 310 MAC_NNOTE /* must be the last entry */ 311 } mac_notify_type_t; 312 313 typedef void (*mac_notify_t)(void *, mac_notify_type_t); 314 typedef void (*mac_rx_t)(void *, mac_resource_handle_t, mblk_t *, 315 boolean_t); 316 typedef mblk_t *(*mac_receive_t)(void *, int); 317 318 /* 319 * MAC promiscuous types 320 */ 321 typedef enum { 322 MAC_PROMISC = 0x01, /* MAC instance is promiscuous */ 323 MAC_DEVPROMISC = 0x02 /* Device is promiscuous */ 324 } mac_promisc_type_t; 325 326 /* 327 * MAC resource types 328 */ 329 typedef enum { 330 MAC_RX_FIFO = 1 331 } mac_resource_type_t; 332 333 typedef int (*mac_intr_enable_t)(mac_intr_handle_t); 334 typedef int (*mac_intr_disable_t)(mac_intr_handle_t); 335 336 typedef struct mac_intr_s { 337 mac_intr_handle_t mi_handle; 338 mac_intr_enable_t mi_enable; 339 mac_intr_disable_t mi_disable; 340 } mac_intr_t; 341 342 typedef struct mac_rx_fifo_s { 343 mac_resource_type_t mrf_type; /* MAC_RX_FIFO */ 344 mac_intr_t mrf_intr; 345 mac_receive_t mrf_receive; 346 void *mrf_rx_arg; 347 uint32_t mrf_flow_priority; 348 /* 349 * The CPU this flow is to be processed on. With intrd and future 350 * things, we should know which CPU the flow needs to be processed 351 * and get a squeue assigned on that CPU. 352 */ 353 uint_t mrf_cpu_id; 354 } mac_rx_fifo_t; 355 356 #define mrf_intr_handle mrf_intr.mi_handle 357 #define mrf_intr_enable mrf_intr.mi_enable 358 #define mrf_intr_disable mrf_intr.mi_disable 359 360 typedef union mac_resource_u { 361 mac_resource_type_t mr_type; 362 mac_rx_fifo_t mr_fifo; 363 } mac_resource_t; 364 365 typedef enum { 366 MAC_ADDRTYPE_UNICAST, 367 MAC_ADDRTYPE_MULTICAST, 368 MAC_ADDRTYPE_BROADCAST 369 } mac_addrtype_t; 370 371 typedef struct mac_header_info_s { 372 size_t mhi_hdrsize; 373 size_t mhi_pktsize; 374 const uint8_t *mhi_daddr; 375 const uint8_t *mhi_saddr; 376 uint32_t mhi_origsap; 377 uint32_t mhi_bindsap; 378 mac_addrtype_t mhi_dsttype; 379 uint16_t mhi_tci; 380 boolean_t mhi_istagged; 381 } mac_header_info_t; 382 383 /* 384 * Function pointer to match dls client signature. Should be same as 385 * dls_rx_t to allow a soft ring to bypass DLS layer and call a DLS 386 * client directly. 387 */ 388 typedef void (*mac_direct_rx_t)(void *, mac_resource_handle_t, 389 mblk_t *, mac_header_info_t *); 390 391 typedef mac_resource_handle_t (*mac_resource_add_t)(void *, mac_resource_t *); 392 typedef int (*mac_resource_bind_t)(void *, 393 mac_resource_handle_t, processorid_t); 394 typedef void (*mac_resource_remove_t)(void *, void *); 395 typedef void (*mac_resource_quiesce_t)(void *, void *); 396 typedef void (*mac_resource_restart_t)(void *, void *); 397 typedef int (*mac_resource_modify_t)(void *, void *, 398 mac_resource_t *); 399 typedef void (*mac_change_upcall_t)(void *, mac_direct_rx_t, 400 void *); 401 402 /* 403 * MAC-Type plugin interfaces 404 */ 405 406 typedef int (*mtops_addr_verify_t)(const void *, void *); 407 typedef boolean_t (*mtops_sap_verify_t)(uint32_t, uint32_t *, void *); 408 typedef mblk_t *(*mtops_header_t)(const void *, const void *, 409 uint32_t, void *, mblk_t *, size_t); 410 typedef int (*mtops_header_info_t)(mblk_t *, void *, 411 mac_header_info_t *); 412 typedef boolean_t (*mtops_pdata_verify_t)(void *, size_t); 413 typedef mblk_t *(*mtops_header_modify_t)(mblk_t *, void *); 414 typedef void (*mtops_link_details_t)(char *, size_t, mac_handle_t, 415 void *); 416 417 typedef struct mactype_ops_s { 418 uint_t mtops_ops; 419 /* 420 * mtops_unicst_verify() returns 0 if the given address is a valid 421 * unicast address, or a non-zero errno otherwise. 422 */ 423 mtops_addr_verify_t mtops_unicst_verify; 424 /* 425 * mtops_multicst_verify() returns 0 if the given address is a 426 * valid multicast address, or a non-zero errno otherwise. If the 427 * media doesn't support multicast, ENOTSUP should be returned (for 428 * example). 429 */ 430 mtops_addr_verify_t mtops_multicst_verify; 431 /* 432 * mtops_sap_verify() returns B_TRUE if the given SAP is a valid 433 * SAP value, or B_FALSE otherwise. 434 */ 435 mtops_sap_verify_t mtops_sap_verify; 436 /* 437 * mtops_header() is used to allocate and construct a MAC header. 438 */ 439 mtops_header_t mtops_header; 440 /* 441 * mtops_header_info() is used to gather information on a given MAC 442 * header. 443 */ 444 mtops_header_info_t mtops_header_info; 445 /* 446 * mtops_pdata_verify() is used to verify the validity of MAC 447 * plugin data. It is called by mac_register() if the driver has 448 * supplied MAC plugin data, and also by mac_pdata_update() when 449 * drivers update the data. 450 */ 451 mtops_pdata_verify_t mtops_pdata_verify; 452 /* 453 * mtops_header_cook() is an optional callback that converts (or 454 * "cooks") the given raw header (as sent by a raw DLPI consumer) 455 * into one that is appropriate to send down to the MAC driver. 456 * Following the example above, an Ethernet header sent down by a 457 * DLPI consumer would be converted to whatever header the MAC 458 * driver expects. 459 */ 460 mtops_header_modify_t mtops_header_cook; 461 /* 462 * mtops_header_uncook() is an optional callback that does the 463 * opposite of mtops_header_cook(). It "uncooks" a given MAC 464 * header (as received from the driver) for consumption by raw DLPI 465 * consumers. For example, for a non-Ethernet plugin that wants 466 * raw DLPI consumers to be fooled into thinking that the device 467 * provides Ethernet access, this callback would modify the given 468 * mblk_t such that the MAC header is converted to an Ethernet 469 * header. 470 */ 471 mtops_header_modify_t mtops_header_uncook; 472 /* 473 * mtops_link_details() is an optional callback that provides 474 * extended information about the link state. Its primary purpose 475 * is to provide type-specific support for syslog contents on 476 * link up events. If no implementation is provided, then a default 477 * implementation will be used. 478 */ 479 mtops_link_details_t mtops_link_details; 480 } mactype_ops_t; 481 482 /* 483 * mtops_ops exists for the plugin to enumerate the optional callback 484 * entrypoints it has defined. This allows the mac module to define 485 * additional plugin entrypoints in mactype_ops_t without breaking backward 486 * compatibility with old plugins. 487 */ 488 #define MTOPS_PDATA_VERIFY 0x001 489 #define MTOPS_HEADER_COOK 0x002 490 #define MTOPS_HEADER_UNCOOK 0x004 491 #define MTOPS_LINK_DETAILS 0x008 492 493 /* 494 * Provide mapping for legacy ndd ioctls relevant to that mactype. 495 * Note that the ndd ioctls are obsolete, and may be removed in a future 496 * release of Solaris. The ndd ioctls are not typically used in legacy 497 * ethernet drivers. New datalink drivers of all link-types should use 498 * dladm(1m) interfaces for administering tunables and not have to provide 499 * a mapping. 500 */ 501 typedef struct mac_ndd_mapping_s { 502 char *mp_name; 503 union { 504 mac_prop_id_t u_id; 505 uint_t u_kstat; 506 } u_mp_id; 507 long mp_minval; 508 long mp_maxval; 509 size_t mp_valsize; 510 int mp_flags; 511 } mac_ndd_mapping_t; 512 513 #define mp_prop_id u_mp_id.u_id 514 #define mp_kstat u_mp_id.u_kstat 515 516 typedef struct mac_stat_info_s { 517 uint_t msi_stat; 518 char *msi_name; 519 uint_t msi_type; /* as defined in kstat_named_init(9F) */ 520 uint64_t msi_default; 521 } mac_stat_info_t; 522 523 typedef struct mactype_register_s { 524 uint_t mtr_version; /* set by mactype_alloc() */ 525 const char *mtr_ident; 526 mactype_ops_t *mtr_ops; 527 uint_t mtr_mactype; 528 uint_t mtr_nativetype; 529 uint_t mtr_addrlen; 530 uint8_t *mtr_brdcst_addr; 531 mac_stat_info_t *mtr_stats; 532 size_t mtr_statcount; 533 mac_ndd_mapping_t *mtr_mapping; 534 size_t mtr_mappingcount; 535 } mactype_register_t; 536 537 typedef struct mac_prop_s { 538 mac_prop_id_t mp_id; 539 char *mp_name; 540 uint_t mp_flags; 541 } mac_prop_t; 542 543 /* 544 * Driver interface functions. 545 */ 546 extern int mac_open_by_linkid(datalink_id_t, 547 mac_handle_t *); 548 extern int mac_open_by_linkname(const char *, 549 mac_handle_t *); 550 extern const char *mac_name(mac_handle_t); 551 extern minor_t mac_minor(mac_handle_t); 552 extern minor_t mac_minor_hold(boolean_t); 553 extern void mac_minor_rele(minor_t); 554 extern void mac_sdu_get(mac_handle_t, uint_t *, uint_t *); 555 extern int mac_maxsdu_update(mac_handle_t, uint_t); 556 557 extern void mac_unicst_update(mac_handle_t, 558 const uint8_t *); 559 extern void mac_resource_update(mac_handle_t); 560 extern void mac_capab_update(mac_handle_t); 561 extern int mac_pdata_update(mac_handle_t, void *, 562 size_t); 563 extern boolean_t mac_margin_update(mac_handle_t, uint32_t); 564 extern void mac_margin_get(mac_handle_t, uint32_t *); 565 extern int mac_margin_remove(mac_handle_t, uint32_t); 566 extern int mac_margin_add(mac_handle_t, uint32_t *, 567 boolean_t); 568 569 extern mactype_register_t *mactype_alloc(uint_t); 570 extern void mactype_free(mactype_register_t *); 571 extern int mactype_register(mactype_register_t *); 572 extern int mactype_unregister(const char *); 573 574 extern void mac_start_logusage(mac_logtype_t, uint_t); 575 extern void mac_stop_logusage(mac_logtype_t); 576 577 extern mac_handle_t mac_get_lower_mac_handle(mac_handle_t); 578 579 /* 580 * Packet hashing for distribution to multiple ports and rings. 581 */ 582 583 #define MAC_PKT_HASH_L2 0x01 584 #define MAC_PKT_HASH_L3 0x02 585 #define MAC_PKT_HASH_L4 0x04 586 587 extern uint64_t mac_pkt_hash(uint_t, mblk_t *, uint8_t, 588 boolean_t); 589 590 #endif /* _KERNEL */ 591 592 #ifdef __cplusplus 593 } 594 #endif 595 596 #endif /* _SYS_MAC_H */ 597