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 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _SYS_MAC_IMPL_H 27 #define _SYS_MAC_IMPL_H 28 29 #include <sys/modhash.h> 30 #include <sys/mac_client.h> 31 #include <sys/mac_provider.h> 32 #include <sys/note.h> 33 #include <net/if.h> 34 #include <sys/mac_flow_impl.h> 35 #include <netinet/ip6.h> 36 37 #ifdef __cplusplus 38 extern "C" { 39 #endif 40 41 typedef struct mac_margin_req_s mac_margin_req_t; 42 43 struct mac_margin_req_s { 44 mac_margin_req_t *mmr_nextp; 45 uint_t mmr_ref; 46 uint32_t mmr_margin; 47 }; 48 49 /* Generic linked chain type */ 50 typedef struct mac_chain_s { 51 struct mac_chain_s *next; 52 void *item; 53 } mac_chain_t; 54 55 /* 56 * Generic mac callback list manipulation structures and macros. The mac_cb_t 57 * represents a general callback list element embedded in a particular 58 * data structure such as a mac_notify_cb_t or a mac_promisc_impl_t. 59 * The mac_cb_info_t represents general information about list walkers. 60 * Please see the comments above mac_callback_add for more information. 61 */ 62 /* mcb_flags */ 63 #define MCB_CONDEMNED 0x1 /* Logically deleted */ 64 #define MCB_NOTIFY_CB_T 0x2 65 #define MCB_TX_NOTIFY_CB_T 0x4 66 67 typedef struct mac_cb_s { 68 struct mac_cb_s *mcb_nextp; /* Linked list of callbacks */ 69 void *mcb_objp; /* Ptr to enclosing object */ 70 size_t mcb_objsize; /* Sizeof the enclosing obj */ 71 uint_t mcb_flags; 72 } mac_cb_t; 73 74 typedef struct mac_cb_info_s { 75 kmutex_t *mcbi_lockp; 76 kcondvar_t mcbi_cv; 77 uint_t mcbi_del_cnt; /* Deleted callback cnt */ 78 uint_t mcbi_walker_cnt; /* List walker count */ 79 } mac_cb_info_t; 80 81 typedef struct mac_notify_cb_s { 82 mac_cb_t mncb_link; /* Linked list of callbacks */ 83 mac_notify_t mncb_fn; /* callback function */ 84 void *mncb_arg; /* callback argument */ 85 struct mac_impl_s *mncb_mip; 86 } mac_notify_cb_t; 87 88 /* 89 * mac_callback_add(listinfo, listhead, listelement) 90 * mac_callback_remove(listinfo, listhead, listelement) 91 */ 92 typedef boolean_t (*mcb_func_t)(mac_cb_info_t *, mac_cb_t **, mac_cb_t *); 93 94 #define MAC_CALLBACK_WALKER_INC(mcbi) { \ 95 mutex_enter((mcbi)->mcbi_lockp); \ 96 (mcbi)->mcbi_walker_cnt++; \ 97 mutex_exit((mcbi)->mcbi_lockp); \ 98 } 99 100 #define MAC_CALLBACK_WALKER_INC_HELD(mcbi) (mcbi)->mcbi_walker_cnt++; 101 102 #define MAC_CALLBACK_WALKER_DCR(mcbi, headp) { \ 103 mac_cb_t *rmlist; \ 104 \ 105 mutex_enter((mcbi)->mcbi_lockp); \ 106 if (--(mcbi)->mcbi_walker_cnt == 0 && (mcbi)->mcbi_del_cnt != 0) { \ 107 rmlist = mac_callback_walker_cleanup((mcbi), headp); \ 108 mac_callback_free(rmlist); \ 109 cv_broadcast(&(mcbi)->mcbi_cv); \ 110 } \ 111 mutex_exit((mcbi)->mcbi_lockp); \ 112 } 113 114 #define MAC_PROMISC_WALKER_INC(mip) \ 115 MAC_CALLBACK_WALKER_INC(&(mip)->mi_promisc_cb_info) 116 117 #define MAC_PROMISC_WALKER_DCR(mip) { \ 118 mac_cb_info_t *mcbi; \ 119 \ 120 mcbi = &(mip)->mi_promisc_cb_info; \ 121 mutex_enter(mcbi->mcbi_lockp); \ 122 if (--mcbi->mcbi_walker_cnt == 0 && mcbi->mcbi_del_cnt != 0) { \ 123 i_mac_promisc_walker_cleanup(mip); \ 124 cv_broadcast(&mcbi->mcbi_cv); \ 125 } \ 126 mutex_exit(mcbi->mcbi_lockp); \ 127 } 128 129 typedef struct mactype_s { 130 const char *mt_ident; 131 uint32_t mt_ref; 132 uint_t mt_type; 133 uint_t mt_nativetype; 134 size_t mt_addr_length; 135 uint8_t *mt_brdcst_addr; 136 mactype_ops_t mt_ops; 137 mac_stat_info_t *mt_stats; /* array of mac_stat_info_t elements */ 138 size_t mt_statcount; /* number of elements in mt_stats */ 139 mac_ndd_mapping_t *mt_mapping; 140 size_t mt_mappingcount; 141 } mactype_t; 142 143 /* 144 * Multiple rings implementation. 145 */ 146 typedef enum { 147 MAC_GROUP_STATE_UNINIT = 0, /* initial state of data structure */ 148 MAC_GROUP_STATE_REGISTERED, /* hooked with h/w group */ 149 MAC_GROUP_STATE_RESERVED, /* group is reserved and opened */ 150 MAC_GROUP_STATE_SHARED /* default group shared among */ 151 /* multiple mac clients */ 152 } mac_group_state_t; 153 154 typedef struct mac_ring_s mac_ring_t; 155 typedef struct mac_group_s mac_group_t; 156 157 /* 158 * Ring data structure for ring control and management. 159 */ 160 typedef enum { 161 MR_FREE, /* Available for assignment to flows */ 162 MR_NEWLY_ADDED, /* Just assigned to another group */ 163 MR_INUSE /* Assigned to an SRS */ 164 } mac_ring_state_t; 165 166 /* mr_flag values */ 167 #define MR_INCIPIENT 0x1 168 #define MR_CONDEMNED 0x2 169 #define MR_QUIESCE 0x4 170 171 struct mac_ring_s { 172 int mr_index; /* index in the original list */ 173 mac_ring_type_t mr_type; /* ring type */ 174 mac_ring_t *mr_next; /* next ring in the chain */ 175 mac_group_handle_t mr_gh; /* reference to group */ 176 177 mac_classify_type_t mr_classify_type; /* HW vs SW */ 178 struct mac_soft_ring_set_s *mr_srs; /* associated SRS */ 179 uint_t mr_refcnt; /* Ring references */ 180 /* ring generation no. to guard against drivers using stale rings */ 181 uint64_t mr_gen_num; 182 183 kmutex_t mr_lock; 184 kcondvar_t mr_cv; /* mr_lock */ 185 mac_ring_state_t mr_state; /* mr_lock */ 186 uint_t mr_flag; /* mr_lock */ 187 188 mac_ring_info_t mr_info; /* driver supplied info */ 189 }; 190 #define mr_driver mr_info.mri_driver 191 #define mr_start mr_info.mri_start 192 #define mr_stop mr_info.mri_stop 193 194 #define MAC_RING_MARK(mr, flag) \ 195 (mr)->mr_flag |= flag; 196 197 #define MAC_RING_UNMARK(mr, flag) \ 198 (mr)->mr_flag &= ~flag; 199 200 /* 201 * Reference hold and release on mac_ring_t 'mr' 202 */ 203 #define MR_REFHOLD_LOCKED(mr) { \ 204 ASSERT(MUTEX_HELD(&mr->mr_lock)); \ 205 (mr)->mr_refcnt++; \ 206 } 207 208 #define MR_REFRELE(mr) { \ 209 mutex_enter(&(mr)->mr_lock); \ 210 ASSERT((mr)->mr_refcnt != 0); \ 211 (mr)->mr_refcnt--; \ 212 if ((mr)->mr_refcnt == 0 && \ 213 ((mr)->mr_flag & (MR_CONDEMNED | MR_QUIESCE))) \ 214 cv_signal(&(mr)->mr_cv); \ 215 mutex_exit(&(mr)->mr_lock); \ 216 } 217 218 /* 219 * Per mac client flow information associated with a RX group. 220 * The entire structure is SL protected. 221 */ 222 typedef struct mac_grp_client { 223 struct mac_grp_client *mgc_next; 224 struct mac_client_impl_s *mgc_client; 225 } mac_grp_client_t; 226 227 #define MAC_RX_GROUP_NO_CLIENT(g) ((g)->mrg_clients == NULL) 228 229 #define MAC_RX_GROUP_ONLY_CLIENT(g) \ 230 ((((g)->mrg_clients != NULL) && \ 231 ((g)->mrg_clients->mgc_next == NULL)) ? \ 232 (g)->mrg_clients->mgc_client : NULL) 233 234 /* 235 * Common ring group data structure for ring control and management. 236 * The entire structure is SL protected 237 */ 238 struct mac_group_s { 239 int mrg_index; /* index in the list */ 240 mac_ring_type_t mrg_type; /* ring type */ 241 mac_group_state_t mrg_state; /* state of the group */ 242 mac_group_t *mrg_next; /* next ring in the chain */ 243 mac_handle_t mrg_mh; /* reference to MAC */ 244 mac_ring_t *mrg_rings; /* grouped rings */ 245 uint_t mrg_cur_count; /* actual size of group */ 246 247 mac_grp_client_t *mrg_clients; /* clients list */ 248 249 struct mac_client_impl_s *mrg_tx_client; /* TX client pointer */ 250 mac_group_info_t mrg_info; /* driver supplied info */ 251 }; 252 253 #define mrg_driver mrg_info.mgi_driver 254 #define mrg_start mrg_info.mgi_start 255 #define mrg_stop mrg_info.mgi_stop 256 257 #define GROUP_INTR_HANDLE(g) (g)->mrg_info.mgi_intr.mi_handle 258 #define GROUP_INTR_ENABLE_FUNC(g) (g)->mrg_info.mgi_intr.mi_enable 259 #define GROUP_INTR_DISABLE_FUNC(g) (g)->mrg_info.mgi_intr.mi_disable 260 261 #define MAC_DEFAULT_GROUP(mh) (((mac_impl_t *)mh)->mi_rx_groups) 262 263 #define MAC_RING_TX(mhp, rh, mp, rest) { \ 264 mac_ring_handle_t mrh = rh; \ 265 mac_impl_t *mimpl = (mac_impl_t *)mhp; \ 266 /* \ 267 * Send packets through a selected tx ring, or through the \ 268 * default handler if there is no selected ring. \ 269 */ \ 270 if (mrh == NULL) \ 271 mrh = mimpl->mi_default_tx_ring; \ 272 if (mrh == NULL) { \ 273 rest = mimpl->mi_tx(mimpl->mi_driver, mp); \ 274 } else { \ 275 rest = mac_hwring_tx(mrh, mp); \ 276 } \ 277 } 278 279 /* 280 * This is the final stop before reaching the underlying driver 281 * or aggregation, so this is where the bridging hook is implemented. 282 * Packets that are bridged will return through mac_bridge_tx(), with 283 * rh nulled out if the bridge chooses to send output on a different 284 * link due to forwarding. 285 */ 286 #define MAC_TX(mip, rh, mp, share_bound) { \ 287 /* \ 288 * If there is a bound Hybrid I/O share, send packets through \ 289 * the default tx ring. (When there's a bound Hybrid I/O share, \ 290 * the tx rings of this client are mapped in the guest domain \ 291 * and not accessible from here.) \ 292 */ \ 293 _NOTE(CONSTANTCONDITION) \ 294 if (share_bound) \ 295 rh = NULL; \ 296 /* \ 297 * Grab the proper transmit pointer and handle. Special \ 298 * optimization: we can test mi_bridge_link itself atomically, \ 299 * and if that indicates no bridge send packets through tx ring.\ 300 */ \ 301 if (mip->mi_bridge_link == NULL) { \ 302 MAC_RING_TX(mip, rh, mp, mp); \ 303 } else { \ 304 mp = mac_bridge_tx(mip, rh, mp); \ 305 } \ 306 } 307 308 /* mci_tx_flag */ 309 #define MCI_TX_QUIESCE 0x1 310 311 typedef struct mac_factory_addr_s { 312 boolean_t mfa_in_use; 313 uint8_t mfa_addr[MAXMACADDRLEN]; 314 struct mac_client_impl_s *mfa_client; 315 } mac_factory_addr_t; 316 317 typedef struct mac_mcast_addrs_s { 318 struct mac_mcast_addrs_s *mma_next; 319 uint8_t mma_addr[MAXMACADDRLEN]; 320 int mma_ref; 321 } mac_mcast_addrs_t; 322 323 typedef enum { 324 MAC_ADDRESS_TYPE_UNICAST_CLASSIFIED = 1, /* hardware steering */ 325 MAC_ADDRESS_TYPE_UNICAST_PROMISC /* promiscuous mode */ 326 } mac_address_type_t; 327 328 typedef struct mac_impl_s mac_impl_t; 329 330 typedef struct mac_address_s { 331 mac_address_type_t ma_type; /* address type */ 332 int ma_nusers; /* number of users */ 333 /* of that address */ 334 struct mac_address_s *ma_next; /* next address */ 335 uint8_t ma_addr[MAXMACADDRLEN]; /* address value */ 336 size_t ma_len; /* address length */ 337 mac_group_t *ma_group; /* asscociated group */ 338 mac_impl_t *ma_mip; /* MAC handle */ 339 } mac_address_t; 340 341 extern krwlock_t i_mac_impl_lock; 342 extern mod_hash_t *i_mac_impl_hash; 343 extern kmem_cache_t *i_mac_impl_cachep; 344 extern uint_t i_mac_impl_count; 345 346 /* 347 * Each registered MAC is associated with a mac_impl_t structure. The 348 * structure represents the undelying hardware, in terms of definition, 349 * resources (transmit, receive rings etc.), callback functions etc. It 350 * also holds the table of MAC clients that are configured on the device. 351 * The table is used for classifying incoming packets in software. 352 * 353 * The protection scheme uses 2 elements, a coarse serialization mechanism 354 * called perimeter and a finer traditional lock based scheme. More details 355 * can be found in the big block comment in mac.c. 356 * 357 * The protection scheme for each member of the mac_impl_t is described below. 358 * 359 * Write Once Only (WO): Typically these don't change for the lifetime of the 360 * data structure. For example something in mac_impl_t that stays the same 361 * from mac_register to mac_unregister, or something in a mac_client_impl_t 362 * that stays the same from mac_client_open to mac_client_close. 363 * 364 * Serializer (SL): Protected by the Serializer. All SLOP operations on a 365 * mac endpoint go through the serializer. MTOPs don't care about reading 366 * these fields atomically. 367 * 368 * Lock: Traditional mutex/rw lock. Modify operations still go through the 369 * mac serializer, the lock helps synchronize readers with writers. 370 */ 371 struct mac_impl_s { 372 krwlock_t mi_rw_lock; 373 char mi_name[LIFNAMSIZ]; /* WO */ 374 uint32_t mi_state_flags; 375 void *mi_driver; /* Driver private, WO */ 376 mac_info_t mi_info; /* WO */ 377 mactype_t *mi_type; /* WO */ 378 void *mi_pdata; /* WO */ 379 size_t mi_pdata_size; /* WO */ 380 mac_callbacks_t *mi_callbacks; /* WO */ 381 dev_info_t *mi_dip; /* WO */ 382 uint32_t mi_ref; /* i_mac_impl_lock */ 383 uint_t mi_active; /* SL */ 384 link_state_t mi_linkstate; /* none */ 385 link_state_t mi_lowlinkstate; /* none */ 386 link_state_t mi_lastlowlinkstate; /* none */ 387 uint_t mi_devpromisc; /* SL */ 388 kmutex_t mi_lock; 389 uint8_t mi_addr[MAXMACADDRLEN]; /* mi_rw_lock */ 390 uint8_t mi_dstaddr[MAXMACADDRLEN]; /* mi_rw_lock */ 391 boolean_t mi_dstaddr_set; 392 393 /* 394 * The mac perimeter. All client initiated create/modify operations 395 * on a mac end point go through this. 396 */ 397 kmutex_t mi_perim_lock; 398 kthread_t *mi_perim_owner; /* mi_perim_lock */ 399 uint_t mi_perim_ocnt; /* mi_perim_lock */ 400 kcondvar_t mi_perim_cv; /* mi_perim_lock */ 401 402 /* mac notification callbacks */ 403 kmutex_t mi_notify_lock; 404 mac_cb_info_t mi_notify_cb_info; /* mi_notify_lock */ 405 mac_cb_t *mi_notify_cb_list; /* mi_notify_lock */ 406 kthread_t *mi_notify_thread; /* mi_notify_lock */ 407 uint_t mi_notify_bits; /* mi_notify_lock */ 408 409 uint32_t mi_v12n_level; /* Virt'ion readiness */ 410 411 /* 412 * RX groups, ring capability 413 * Fields of this block are SL protected. 414 */ 415 mac_group_type_t mi_rx_group_type; /* grouping type */ 416 uint_t mi_rx_group_count; 417 mac_group_t *mi_rx_groups; 418 419 mac_capab_rings_t mi_rx_rings_cap; 420 421 /* 422 * TX groups and ring capability, SL Protected. 423 */ 424 mac_group_type_t mi_tx_group_type; /* grouping type */ 425 uint_t mi_tx_group_count; 426 uint_t mi_tx_group_free; 427 mac_group_t *mi_tx_groups; 428 429 mac_capab_rings_t mi_tx_rings_cap; 430 431 mac_ring_handle_t mi_default_tx_ring; 432 433 /* 434 * MAC address list. SL protected. 435 */ 436 mac_address_t *mi_addresses; 437 438 /* 439 * This MAC's table of sub-flows 440 */ 441 flow_tab_t *mi_flow_tab; /* WO */ 442 443 kstat_t *mi_ksp; /* WO */ 444 uint_t mi_kstat_count; /* WO */ 445 uint_t mi_nactiveclients; /* SL */ 446 447 /* for broadcast and multicast support */ 448 struct mac_mcast_addrs_s *mi_mcast_addrs; /* mi_rw_lock */ 449 struct mac_bcast_grp_s *mi_bcast_grp; /* mi_rw_lock */ 450 uint_t mi_bcast_ngrps; /* mi_rw_lock */ 451 452 /* list of MAC clients which opened this MAC */ 453 struct mac_client_impl_s *mi_clients_list; /* mi_rw_lock */ 454 uint_t mi_nclients; /* mi_rw_lock */ 455 struct mac_client_impl_s *mi_single_active_client; /* mi_rw_lock */ 456 457 uint32_t mi_margin; /* mi_rw_lock */ 458 uint_t mi_sdu_min; /* mi_rw_lock */ 459 uint_t mi_sdu_max; /* mi_rw_lock */ 460 461 /* 462 * Cache of factory MAC addresses provided by the driver. If 463 * the driver doesn't provide multiple factory MAC addresses, 464 * the mi_factory_addr is set to NULL, and mi_factory_addr_num 465 * is set to zero. 466 */ 467 mac_factory_addr_t *mi_factory_addr; /* mi_rw_lock */ 468 uint_t mi_factory_addr_num; /* mi_rw_lock */ 469 470 /* for promiscuous mode support */ 471 kmutex_t mi_promisc_lock; 472 mac_cb_t *mi_promisc_list; /* mi_promisc_lock */ 473 mac_cb_info_t mi_promisc_cb_info; /* mi_promisc_lock */ 474 475 /* cache of rings over this mac_impl */ 476 kmutex_t mi_ring_lock; 477 mac_ring_t *mi_ring_freelist; /* mi_ring_lock */ 478 479 /* 480 * These are used for caching the properties, if any, for the 481 * primary MAC client. If the MAC client is not yet in place 482 * when the properties are set then we cache them here to be 483 * applied to the MAC client when it is created. 484 */ 485 mac_resource_props_t mi_resource_props; /* SL */ 486 uint16_t mi_pvid; /* SL */ 487 488 minor_t mi_minor; /* WO */ 489 uint32_t mi_oref; /* SL */ 490 mac_capab_legacy_t mi_capab_legacy; /* WO */ 491 dev_t mi_phy_dev; /* WO */ 492 493 /* 494 * List of margin value requests added by mac clients. This list is 495 * sorted: the first one has the greatest value. 496 */ 497 mac_margin_req_t *mi_mmrp; 498 mac_priv_prop_t *mi_priv_prop; 499 uint_t mi_priv_prop_count; 500 501 /* 502 * Hybrid I/O related definitions. 503 */ 504 mac_capab_share_t mi_share_capab; 505 506 /* 507 * Bridging hooks and limit values. Uses mutex and reference counts 508 * (bridging only) for data path. Limits need no synchronization. 509 */ 510 mac_handle_t mi_bridge_link; 511 kmutex_t mi_bridge_lock; 512 uint32_t mi_llimit; 513 uint32_t mi_ldecay; 514 515 /* This should be the last block in this structure */ 516 #ifdef DEBUG 517 #define MAC_PERIM_STACK_DEPTH 15 518 int mi_perim_stack_depth; 519 pc_t mi_perim_stack[MAC_PERIM_STACK_DEPTH]; 520 #endif 521 }; 522 523 /* for mi_state_flags */ 524 #define MIS_DISABLED 0x0001 525 #define MIS_IS_VNIC 0x0002 526 #define MIS_IS_AGGR 0x0004 527 #define MIS_NOTIFY_DONE 0x0008 528 #define MIS_EXCLUSIVE 0x0010 529 #define MIS_EXCLUSIVE_HELD 0x0020 530 #define MIS_LEGACY 0x0040 531 #define MIS_NO_ACTIVE 0x0080 532 #define MIS_POLL_DISABLE 0x0100 533 534 #define mi_getstat mi_callbacks->mc_getstat 535 #define mi_start mi_callbacks->mc_start 536 #define mi_stop mi_callbacks->mc_stop 537 #define mi_open mi_callbacks->mc_open 538 #define mi_close mi_callbacks->mc_close 539 #define mi_setpromisc mi_callbacks->mc_setpromisc 540 #define mi_multicst mi_callbacks->mc_multicst 541 #define mi_unicst mi_callbacks->mc_unicst 542 #define mi_tx mi_callbacks->mc_tx 543 #define mi_ioctl mi_callbacks->mc_ioctl 544 #define mi_getcapab mi_callbacks->mc_getcapab 545 546 typedef struct mac_notify_task_arg { 547 mac_impl_t *mnt_mip; 548 mac_notify_type_t mnt_type; 549 mac_ring_t *mnt_ring; 550 } mac_notify_task_arg_t; 551 552 typedef enum { 553 MAC_RX_NO_RESERVE, 554 MAC_RX_RESERVE_DEFAULT, 555 MAC_RX_RESERVE_NONDEFAULT 556 } mac_rx_group_reserve_type_t; 557 558 /* 559 * XXX All MAC_DBG_PRTs must be replaced with call to dtrace probes. For now 560 * it may be easier to have these printfs for easier debugging 561 */ 562 #ifdef DEBUG 563 extern int mac_dbg; 564 #define MAC_DBG_PRT(a) if (mac_dbg > 0) {(void) printf a; } 565 #else 566 #define MAC_DBG_PRT(a) 567 #endif 568 569 /* 570 * The mac_perim_handle_t is an opaque type that encodes the 'mip' pointer 571 * and whether internally a mac_open was done when acquiring the perimeter. 572 */ 573 #define MAC_ENCODE_MPH(mph, mh, need_close) \ 574 (mph) = (mac_perim_handle_t)((uintptr_t)(mh) | need_close) 575 576 #define MAC_DECODE_MPH(mph, mip, need_close) { \ 577 mip = (mac_impl_t *)(((uintptr_t)mph) & ~0x1); \ 578 (need_close) = ((uintptr_t)mph & 0x1); \ 579 } 580 581 typedef struct mac_client_impl_s mac_client_impl_t; 582 583 extern void mac_init(void); 584 extern int mac_fini(void); 585 586 extern void mac_stat_create(mac_impl_t *); 587 extern void mac_stat_destroy(mac_impl_t *); 588 extern uint64_t mac_stat_default(mac_impl_t *, uint_t); 589 extern void mac_ndd_ioctl(mac_impl_t *, queue_t *, mblk_t *); 590 extern void mac_create_soft_ring_kstats(mac_impl_t *, int32_t); 591 extern boolean_t mac_ip_hdr_length_v6(mblk_t *, ip6_t *, uint16_t *, 592 uint8_t *); 593 594 extern mblk_t *mac_copymsgchain_cksum(mblk_t *); 595 extern mblk_t *mac_fix_cksum(mblk_t *); 596 extern void mac_packet_print(mac_handle_t, mblk_t *); 597 extern void mac_rx_deliver(void *, mac_resource_handle_t, mblk_t *, 598 mac_header_info_t *); 599 extern void mac_tx_notify(mac_impl_t *); 600 601 extern boolean_t mac_callback_find(mac_cb_info_t *, mac_cb_t **, mac_cb_t *); 602 extern void mac_callback_add(mac_cb_info_t *, mac_cb_t **, mac_cb_t *); 603 extern boolean_t mac_callback_remove(mac_cb_info_t *, mac_cb_t **, mac_cb_t *); 604 extern void mac_callback_remove_wait(mac_cb_info_t *); 605 extern void mac_callback_free(mac_cb_t *); 606 extern mac_cb_t *mac_callback_walker_cleanup(mac_cb_info_t *, mac_cb_t **); 607 608 /* in mac_bcast.c */ 609 extern void mac_bcast_init(void); 610 extern void mac_bcast_fini(void); 611 extern mac_impl_t *mac_bcast_grp_mip(void *); 612 extern int mac_bcast_add(mac_client_impl_t *, const uint8_t *, uint16_t, 613 mac_addrtype_t); 614 extern void mac_bcast_delete(mac_client_impl_t *, const uint8_t *, uint16_t); 615 extern void mac_bcast_send(void *, void *, mblk_t *, boolean_t); 616 extern void mac_bcast_grp_free(void *); 617 extern void mac_bcast_refresh(mac_impl_t *, mac_multicst_t, void *, 618 boolean_t); 619 extern void mac_client_bcast_refresh(mac_client_impl_t *, mac_multicst_t, 620 void *, boolean_t); 621 622 /* 623 * Grouping functions are used internally by MAC layer. 624 */ 625 extern int mac_group_addmac(mac_group_t *, const uint8_t *); 626 extern int mac_group_remmac(mac_group_t *, const uint8_t *); 627 extern int mac_rx_group_add_flow(mac_client_impl_t *, flow_entry_t *, 628 mac_group_t *); 629 extern mblk_t *mac_hwring_tx(mac_ring_handle_t, mblk_t *); 630 extern mblk_t *mac_bridge_tx(mac_impl_t *, mac_ring_handle_t, mblk_t *); 631 extern mac_ring_t *mac_reserve_tx_ring(mac_impl_t *, mac_ring_t *); 632 extern void mac_release_tx_ring(mac_ring_handle_t); 633 extern mac_group_t *mac_reserve_tx_group(mac_impl_t *, mac_share_handle_t); 634 extern void mac_release_tx_group(mac_impl_t *, mac_group_t *); 635 636 /* 637 * MAC address functions are used internally by MAC layer. 638 */ 639 extern mac_address_t *mac_find_macaddr(mac_impl_t *, uint8_t *); 640 extern boolean_t mac_check_macaddr_shared(mac_address_t *); 641 extern int mac_update_macaddr(mac_address_t *, uint8_t *); 642 extern void mac_freshen_macaddr(mac_address_t *, uint8_t *); 643 extern void mac_retrieve_macaddr(mac_address_t *, uint8_t *); 644 extern void mac_init_macaddr(mac_impl_t *); 645 extern void mac_fini_macaddr(mac_impl_t *); 646 647 /* 648 * Flow construction/destruction routines. 649 * Not meant to be used by mac clients. 650 */ 651 extern int mac_link_flow_init(mac_client_handle_t, flow_entry_t *); 652 extern void mac_link_flow_clean(mac_client_handle_t, flow_entry_t *); 653 654 /* 655 * Fanout update routines called when the link speed of the NIC changes 656 * or when a MAC client's share is unbound. 657 */ 658 extern void mac_fanout_recompute_client(mac_client_impl_t *); 659 extern void mac_fanout_recompute(mac_impl_t *); 660 661 /* 662 * The following functions are used internally by the MAC layer to 663 * add/remove/update flows associated with a mac_impl_t. They should 664 * never be used directly by MAC clients. 665 */ 666 extern int mac_datapath_setup(mac_client_impl_t *, flow_entry_t *, uint32_t); 667 extern void mac_datapath_teardown(mac_client_impl_t *, flow_entry_t *, 668 uint32_t); 669 extern void mac_srs_group_setup(mac_client_impl_t *, flow_entry_t *, 670 mac_group_t *, uint32_t); 671 extern void mac_srs_group_teardown(mac_client_impl_t *, flow_entry_t *, 672 uint32_t); 673 extern int mac_rx_classify_flow_quiesce(flow_entry_t *, void *); 674 extern int mac_rx_classify_flow_restart(flow_entry_t *, void *); 675 extern void mac_tx_client_quiesce(mac_client_impl_t *, uint_t); 676 extern void mac_tx_client_restart(mac_client_impl_t *); 677 extern void mac_client_quiesce(mac_client_impl_t *); 678 extern void mac_client_restart(mac_client_impl_t *); 679 680 extern void mac_flow_update_priority(mac_client_impl_t *, flow_entry_t *); 681 682 extern void mac_flow_rem_subflow(flow_entry_t *); 683 extern void mac_rename_flow(flow_entry_t *, const char *); 684 extern void mac_flow_set_name(flow_entry_t *, const char *); 685 686 extern mblk_t *mac_add_vlan_tag(mblk_t *, uint_t, uint16_t); 687 extern mblk_t *mac_add_vlan_tag_chain(mblk_t *, uint_t, uint16_t); 688 extern mblk_t *mac_strip_vlan_tag_chain(mblk_t *); 689 extern void mac_pkt_drop(void *, mac_resource_handle_t, mblk_t *, boolean_t); 690 extern mblk_t *mac_rx_flow(mac_handle_t, mac_resource_handle_t, mblk_t *); 691 692 extern void i_mac_share_alloc(mac_client_impl_t *); 693 extern void i_mac_share_free(mac_client_impl_t *); 694 extern void i_mac_perim_enter(mac_impl_t *); 695 extern void i_mac_perim_exit(mac_impl_t *); 696 extern int i_mac_perim_enter_nowait(mac_impl_t *); 697 extern void i_mac_tx_srs_notify(mac_impl_t *, mac_ring_handle_t); 698 extern int mac_hold(const char *, mac_impl_t **); 699 extern void mac_rele(mac_impl_t *); 700 extern int i_mac_disable(mac_impl_t *); 701 extern void i_mac_notify(mac_impl_t *, mac_notify_type_t); 702 extern void i_mac_notify_exit(mac_impl_t *); 703 extern void mac_rx_group_unmark(mac_group_t *, uint_t); 704 extern void mac_tx_client_flush(mac_client_impl_t *); 705 extern void mac_tx_client_block(mac_client_impl_t *); 706 extern void mac_tx_client_unblock(mac_client_impl_t *); 707 extern int i_mac_promisc_set(mac_impl_t *, boolean_t); 708 extern void i_mac_promisc_walker_cleanup(mac_impl_t *); 709 extern mactype_t *mactype_getplugin(const char *); 710 extern void mac_addr_factory_init(mac_impl_t *); 711 extern void mac_addr_factory_fini(mac_impl_t *); 712 extern void mac_register_priv_prop(mac_impl_t *, mac_priv_prop_t *, uint_t); 713 extern void mac_unregister_priv_prop(mac_impl_t *); 714 extern int mac_init_rings(mac_impl_t *, mac_ring_type_t); 715 extern void mac_free_rings(mac_impl_t *, mac_ring_type_t); 716 717 extern int mac_start_group(mac_group_t *); 718 extern void mac_stop_group(mac_group_t *); 719 extern int mac_start_ring(mac_ring_t *); 720 extern void mac_stop_ring(mac_ring_t *); 721 extern int mac_add_macaddr(mac_impl_t *, mac_group_t *, uint8_t *, boolean_t); 722 extern int mac_remove_macaddr(mac_address_t *); 723 724 extern void mac_set_rx_group_state(mac_group_t *, mac_group_state_t); 725 extern void mac_rx_group_add_client(mac_group_t *, mac_client_impl_t *); 726 extern void mac_rx_group_remove_client(mac_group_t *, mac_client_impl_t *) 727 ; 728 extern int i_mac_group_add_ring(mac_group_t *, mac_ring_t *, int); 729 extern void i_mac_group_rem_ring(mac_group_t *, mac_ring_t *, boolean_t); 730 731 extern void mac_poll_state_change(mac_handle_t, boolean_t); 732 733 /* Global callbacks into the bridging module (when loaded) */ 734 extern mac_bridge_tx_t mac_bridge_tx_cb; 735 extern mac_bridge_rx_t mac_bridge_rx_cb; 736 extern mac_bridge_ref_t mac_bridge_ref_cb; 737 extern mac_bridge_ls_t mac_bridge_ls_cb; 738 739 #ifdef __cplusplus 740 } 741 #endif 742 743 #endif /* _SYS_MAC_IMPL_H */ 744