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 (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved. 24 * Copyright (c) 2017, Joyent, Inc. 25 */ 26 27 #ifndef _SYS_MAC_PROVIDER_H 28 #define _SYS_MAC_PROVIDER_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/mkdev.h> 35 #include <sys/mac.h> 36 #include <sys/mac_flow.h> 37 38 /* 39 * MAC Provider Interface 40 */ 41 42 #ifdef __cplusplus 43 extern "C" { 44 #endif 45 46 /* 47 * MAC version identifiers. Drivers compiled against the stable V1 version 48 * of the API should register with MAC_VERSION_V1. ON drivers should use 49 * MAC_VERSION. This is used by mac_alloc() mac_register() to 50 * verify that incompatible drivers don't register. 51 */ 52 #define MAC_VERSION_V1 0x1 53 #define MAC_VERSION MAC_VERSION_V1 54 55 /* 56 * Possible values for ETHER_STAT_XCVR_INUSE statistic. 57 */ 58 59 #define XCVR_UNDEFINED 0 60 #define XCVR_NONE 1 61 #define XCVR_10 2 62 #define XCVR_100T4 3 63 #define XCVR_100X 4 64 #define XCVR_100T2 5 65 #define XCVR_1000X 6 66 #define XCVR_1000T 7 67 68 #ifdef _KERNEL 69 70 /* 71 * Definitions for MAC Drivers Capabilities 72 */ 73 /* 74 * MAC layer capabilities. These capabilities are handled by the drivers' 75 * mc_capab_get() callbacks. Some capabilities require the driver to fill 76 * in a given data structure, and others are simply boolean capabilities. 77 * Note that capability values must be powers of 2 so that consumers and 78 * providers of this interface can keep track of which capabilities they 79 * care about by keeping a bitfield of these things around somewhere. 80 */ 81 typedef enum { 82 /* 83 * Public Capabilities (MAC_VERSION_V1) 84 */ 85 MAC_CAPAB_HCKSUM = 0x00000001, /* data is a uint32_t */ 86 MAC_CAPAB_LSO = 0x00000008, /* data is mac_capab_lso_t */ 87 88 /* 89 * Reserved capabilities, do not use 90 */ 91 MAC_CAPAB_RESERVED1 = 0x00000002, 92 MAC_CAPAB_RESERVED2 = 0x00000004, 93 94 /* 95 * Private driver capabilities 96 */ 97 MAC_CAPAB_RINGS = 0x00000010, /* data is mac_capab_rings_t */ 98 MAC_CAPAB_SHARES = 0x00000020, /* data is mac_capab_share_t */ 99 MAC_CAPAB_MULTIFACTADDR = 0x00000040, /* mac_data_multifactaddr_t */ 100 101 /* 102 * Private driver capabilities for use by the GLDv3 framework only 103 */ 104 MAC_CAPAB_VNIC = 0x00010000, /* data is mac_capab_vnic_t */ 105 MAC_CAPAB_ANCHOR_VNIC = 0x00020000, /* boolean only, no data */ 106 MAC_CAPAB_AGGR = 0x00040000, /* data is mac_capab_aggr_t */ 107 MAC_CAPAB_NO_NATIVEVLAN = 0x00080000, /* boolean only, no data */ 108 MAC_CAPAB_NO_ZCOPY = 0x00100000, /* boolean only, no data */ 109 MAC_CAPAB_LEGACY = 0x00200000, /* data is mac_capab_legacy_t */ 110 MAC_CAPAB_VRRP = 0x00400000, /* data is mac_capab_vrrp_t */ 111 MAC_CAPAB_TRANSCEIVER = 0x01000000, /* mac_capab_transciever_t */ 112 MAC_CAPAB_LED = 0x02000000 /* data is mac_capab_led_t */ 113 } mac_capab_t; 114 115 /* 116 * LSO capability 117 */ 118 typedef struct lso_basic_tcp_ipv4_s { 119 t_uscalar_t lso_max; /* maximum payload */ 120 } lso_basic_tcp_ipv4_t; 121 122 /* 123 * Currently supported flags for LSO. 124 */ 125 #define LSO_TX_BASIC_TCP_IPV4 0x01 /* TCP LSO capability */ 126 127 /* 128 * Future LSO capabilities can be added at the end of the mac_capab_lso_t. 129 * When such capability is added to the GLDv3 framework, the size of the 130 * mac_capab_lso_t it allocates and passes to the drivers increases. Older 131 * drivers wil access only the (upper) sections of that structure, that is the 132 * sections carrying the capabilities they understand. This ensures the 133 * interface can be safely extended in a binary compatible way. 134 */ 135 typedef struct mac_capab_lso_s { 136 t_uscalar_t lso_flags; 137 lso_basic_tcp_ipv4_t lso_basic_tcp_ipv4; 138 /* Add future lso capabilities here */ 139 } mac_capab_lso_t; 140 141 /* 142 * Multiple Factory MAC Addresses Capability 143 */ 144 typedef struct mac_capab_multifactaddr_s { 145 /* 146 * Number of factory addresses 147 */ 148 uint_t mcm_naddr; 149 150 /* 151 * Callbacks to query all the factory addresses. 152 */ 153 void (*mcm_getaddr)(void *, uint_t, uint8_t *); 154 } mac_capab_multifactaddr_t; 155 156 /* 157 * Info and callbacks of legacy devices. 158 */ 159 typedef struct mac_capab_legacy_s { 160 /* 161 * Notifications that the legacy device does not support. 162 */ 163 uint32_t ml_unsup_note; 164 /* 165 * dev_t of the legacy device; can be held to force attach. 166 */ 167 dev_t ml_dev; 168 boolean_t (*ml_active_set)(void *); 169 void (*ml_active_clear)(void *); 170 int (*ml_fastpath_disable)(void *); 171 void (*ml_fastpath_enable)(void *); 172 } mac_capab_legacy_t; 173 174 typedef struct __mac_prop_info_handle *mac_prop_info_handle_t; 175 176 /* 177 * MAC driver entry point types. 178 */ 179 typedef int (*mac_getstat_t)(void *, uint_t, uint64_t *); 180 typedef int (*mac_start_t)(void *); 181 typedef void (*mac_stop_t)(void *); 182 typedef int (*mac_setpromisc_t)(void *, boolean_t); 183 typedef int (*mac_multicst_t)(void *, boolean_t, const uint8_t *); 184 typedef int (*mac_unicst_t)(void *, const uint8_t *); 185 typedef void (*mac_ioctl_t)(void *, queue_t *, mblk_t *); 186 typedef void (*mac_resources_t)(void *); 187 typedef mblk_t *(*mac_tx_t)(void *, mblk_t *); 188 typedef boolean_t (*mac_getcapab_t)(void *, mac_capab_t, void *); 189 typedef int (*mac_open_t)(void *); 190 typedef void (*mac_close_t)(void *); 191 typedef int (*mac_set_prop_t)(void *, const char *, mac_prop_id_t, 192 uint_t, const void *); 193 typedef int (*mac_get_prop_t)(void *, const char *, mac_prop_id_t, 194 uint_t, void *); 195 typedef void (*mac_prop_info_t)(void *, const char *, mac_prop_id_t, 196 mac_prop_info_handle_t); 197 198 /* 199 * Driver callbacks. The following capabilities are optional, and if 200 * implemented by the driver, must have a corresponding MC_ flag set 201 * in the mc_callbacks field. 202 * 203 * Any future additions to this list must also be accompanied by an 204 * associated mc_callbacks flag so that the framework can grow without 205 * affecting the binary compatibility of the interface. 206 */ 207 typedef struct mac_callbacks_s { 208 uint_t mc_callbacks; /* Denotes which callbacks are set */ 209 mac_getstat_t mc_getstat; /* Get the value of a statistic */ 210 mac_start_t mc_start; /* Start the device */ 211 mac_stop_t mc_stop; /* Stop the device */ 212 mac_setpromisc_t mc_setpromisc; /* Enable or disable promiscuous mode */ 213 mac_multicst_t mc_multicst; /* Enable or disable a multicast addr */ 214 mac_unicst_t mc_unicst; /* Set the unicast MAC address */ 215 mac_tx_t mc_tx; /* Transmit a packet */ 216 void *mc_reserved; /* Reserved, do not use */ 217 mac_ioctl_t mc_ioctl; /* Process an unknown ioctl */ 218 mac_getcapab_t mc_getcapab; /* Get capability information */ 219 mac_open_t mc_open; /* Open the device */ 220 mac_close_t mc_close; /* Close the device */ 221 mac_set_prop_t mc_setprop; 222 mac_get_prop_t mc_getprop; 223 mac_prop_info_t mc_propinfo; 224 } mac_callbacks_t; 225 226 /* 227 * Flags for mc_callbacks. Requiring drivers to set the flags associated 228 * with optional callbacks initialized in the structure allows the mac 229 * module to add optional callbacks in the future without requiring drivers 230 * to recompile. 231 */ 232 #define MC_RESERVED 0x0001 233 #define MC_IOCTL 0x0002 234 #define MC_GETCAPAB 0x0004 235 #define MC_OPEN 0x0008 236 #define MC_CLOSE 0x0010 237 #define MC_SETPROP 0x0020 238 #define MC_GETPROP 0x0040 239 #define MC_PROPINFO 0x0080 240 #define MC_PROPERTIES (MC_SETPROP | MC_GETPROP | MC_PROPINFO) 241 242 /* 243 * Virtualization Capabilities 244 */ 245 /* 246 * The ordering of entries below is important. MAC_HW_CLASSIFIER 247 * is the cutoff below which are entries which don't depend on 248 * H/W. MAC_HW_CLASSIFIER and entries after that are cases where 249 * H/W has been updated through add/modify/delete APIs. 250 */ 251 typedef enum { 252 MAC_NO_CLASSIFIER = 0, 253 MAC_SW_CLASSIFIER, 254 MAC_HW_CLASSIFIER 255 } mac_classify_type_t; 256 257 typedef void (*mac_rx_func_t)(void *, mac_resource_handle_t, mblk_t *, 258 boolean_t); 259 260 /* 261 * The virtualization level conveys the extent of the NIC hardware assistance 262 * for traffic steering employed for virtualization: 263 * 264 * MAC_VIRT_NONE: No assist for v12n. 265 * 266 * MAC_VIRT_LEVEL1: Multiple Rx rings with MAC address level 267 * classification between groups of rings. 268 * Requires the support of the MAC_CAPAB_RINGS 269 * capability. 270 * 271 * MAC_VIRT_HIO: Hybrid I/O capable MAC. Require the support 272 * of the MAC_CAPAB_SHARES capability. 273 */ 274 #define MAC_VIRT_NONE 0x0 275 #define MAC_VIRT_LEVEL1 0x1 276 #define MAC_VIRT_HIO 0x2 277 278 typedef enum { 279 MAC_RING_TYPE_RX = 1, /* Receive ring */ 280 MAC_RING_TYPE_TX /* Transmit ring */ 281 } mac_ring_type_t; 282 283 /* 284 * Grouping type of a ring group 285 * 286 * MAC_GROUP_TYPE_STATIC: The ring group can not be re-grouped. 287 * MAC_GROUP_TYPE_DYNAMIC: The ring group support dynamic re-grouping 288 */ 289 typedef enum { 290 MAC_GROUP_TYPE_STATIC = 1, /* Static ring group */ 291 MAC_GROUP_TYPE_DYNAMIC /* Dynamic ring group */ 292 } mac_group_type_t; 293 294 typedef struct __mac_ring_driver *mac_ring_driver_t; 295 typedef struct __mac_group_driver *mac_group_driver_t; 296 297 typedef struct mac_ring_info_s mac_ring_info_t; 298 typedef struct mac_group_info_s mac_group_info_t; 299 300 typedef void (*mac_get_ring_t)(void *, mac_ring_type_t, const int, const int, 301 mac_ring_info_t *, mac_ring_handle_t); 302 typedef void (*mac_get_group_t)(void *, mac_ring_type_t, const int, 303 mac_group_info_t *, mac_group_handle_t); 304 305 typedef void (*mac_group_add_ring_t)(mac_group_driver_t, 306 mac_ring_driver_t, mac_ring_type_t); 307 typedef void (*mac_group_rem_ring_t)(mac_group_driver_t, 308 mac_ring_driver_t, mac_ring_type_t); 309 310 /* 311 * Multiple Rings Capability 312 */ 313 typedef struct mac_capab_rings_s { 314 mac_ring_type_t mr_type; /* Ring type: Rx vs Tx */ 315 mac_group_type_t mr_group_type; /* Dynamic vs static grouping */ 316 uint_t mr_rnum; /* Number of rings */ 317 uint_t mr_gnum; /* Number of ring groups */ 318 mac_get_ring_t mr_rget; /* Get ring from driver */ 319 mac_get_group_t mr_gget; /* Get ring group from driver */ 320 mac_group_add_ring_t mr_gaddring; /* Add ring into a group */ 321 mac_group_rem_ring_t mr_gremring; /* Remove ring from a group */ 322 } mac_capab_rings_t; 323 324 /* 325 * Common ring functions and driver interfaces 326 */ 327 typedef int (*mac_ring_start_t)(mac_ring_driver_t, uint64_t); 328 typedef void (*mac_ring_stop_t)(mac_ring_driver_t); 329 330 typedef mblk_t *(*mac_ring_send_t)(void *, mblk_t *); 331 typedef mblk_t *(*mac_ring_poll_t)(void *, int); 332 333 typedef int (*mac_ring_stat_t)(mac_ring_driver_t, uint_t, uint64_t *); 334 335 typedef struct mac_ring_info_s { 336 mac_ring_driver_t mri_driver; 337 mac_ring_start_t mri_start; 338 mac_ring_stop_t mri_stop; 339 mac_intr_t mri_intr; 340 union { 341 mac_ring_send_t send; 342 mac_ring_poll_t poll; 343 } mrfunion; 344 mac_ring_stat_t mri_stat; 345 /* 346 * mri_flags will have some bits set to indicate some special 347 * property/feature of a ring like serialization needed for a 348 * Tx ring or packets should always need enqueuing on Rx side, 349 * etc. 350 */ 351 uint_t mri_flags; 352 } mac_ring_info_s; 353 354 #define mri_tx mrfunion.send 355 #define mri_poll mrfunion.poll 356 357 /* 358 * #defines for mri_flags. The flags are temporary flags that are provided 359 * only to workaround issues in specific drivers, and they will be 360 * removed in the future. 361 */ 362 #define MAC_RING_TX_SERIALIZE 0x1 363 #define MAC_RING_RX_ENQUEUE 0x2 364 365 typedef int (*mac_group_start_t)(mac_group_driver_t); 366 typedef void (*mac_group_stop_t)(mac_group_driver_t); 367 typedef int (*mac_add_mac_addr_t)(void *, const uint8_t *); 368 typedef int (*mac_rem_mac_addr_t)(void *, const uint8_t *); 369 370 struct mac_group_info_s { 371 mac_group_driver_t mgi_driver; /* Driver reference */ 372 mac_group_start_t mgi_start; /* Start the group */ 373 mac_group_stop_t mgi_stop; /* Stop the group */ 374 uint_t mgi_count; /* Count of rings */ 375 mac_intr_t mgi_intr; /* Optional per-group intr */ 376 377 /* Only used for rx groups */ 378 mac_add_mac_addr_t mgi_addmac; /* Add a MAC address */ 379 mac_rem_mac_addr_t mgi_remmac; /* Remove a MAC address */ 380 }; 381 382 /* 383 * Share management functions. 384 */ 385 typedef uint64_t mac_share_handle_t; 386 387 /* 388 * Allocate and free a share. Returns ENOSPC if all shares have been 389 * previously allocated. 390 */ 391 typedef int (*mac_alloc_share_t)(void *, mac_share_handle_t *); 392 typedef void (*mac_free_share_t)(mac_share_handle_t); 393 394 /* 395 * Bind and unbind a share. Binding a share allows a domain 396 * to have direct access to the groups and rings associated with 397 * that share. 398 */ 399 typedef int (*mac_bind_share_t)(mac_share_handle_t, uint64_t, uint64_t *); 400 typedef void (*mac_unbind_share_t)(mac_share_handle_t); 401 402 /* 403 * Return information on about a share. 404 */ 405 typedef void (*mac_share_query_t)(mac_share_handle_t, mac_ring_type_t, 406 mac_ring_handle_t *, uint_t *); 407 408 /* 409 * Basic idea, bind previously created ring groups to shares 410 * for them to be exported (or shared) by another domain. 411 * These interfaces bind/unbind the ring group to a share. 412 * The groups and their rings will be shared with the guest 413 * as soon as the share is bound. 414 */ 415 typedef int (*mac_share_add_group_t)(mac_share_handle_t, 416 mac_group_driver_t); 417 typedef int (*mac_share_rem_group_t)(mac_share_handle_t, 418 mac_group_driver_t); 419 420 typedef struct mac_capab_share_s { 421 uint_t ms_snum; /* Number of shares (vr's) */ 422 void *ms_handle; /* Handle to driver. */ 423 mac_alloc_share_t ms_salloc; /* Get a share from driver. */ 424 mac_free_share_t ms_sfree; /* Return a share to driver. */ 425 mac_share_add_group_t ms_sadd; /* Add a group to the share. */ 426 mac_share_rem_group_t ms_sremove; /* Remove group from share. */ 427 mac_share_query_t ms_squery; /* Query share constraints */ 428 mac_bind_share_t ms_sbind; /* Bind a share */ 429 mac_unbind_share_t ms_sunbind; /* Unbind a share */ 430 } mac_capab_share_t; 431 432 typedef struct mac_capab_vrrp_s { 433 /* IPv6 or IPv4? */ 434 int mcv_af; 435 } mac_capab_vrrp_t; 436 437 /* 438 * Transceiver capability 439 */ 440 typedef struct mac_transceiver_info mac_transceiver_info_t; 441 442 typedef struct mac_capab_transceiver { 443 uint_t mct_flags; 444 uint_t mct_ntransceivers; 445 int (*mct_info)(void *, uint_t, mac_transceiver_info_t *); 446 int (*mct_read)(void *, uint_t, uint_t, void *, size_t, off_t, 447 size_t *); 448 } mac_capab_transceiver_t; 449 450 /* 451 * LED capability 452 */ 453 typedef struct mac_capab_led { 454 uint_t mcl_flags; 455 mac_led_mode_t mcl_modes; 456 int (*mcl_set)(void *, mac_led_mode_t, uint_t); 457 } mac_capab_led_t; 458 459 /* 460 * MAC registration interface 461 */ 462 typedef struct mac_register_s { 463 uint_t m_version; /* set by mac_alloc() */ 464 const char *m_type_ident; 465 void *m_driver; /* Driver private data */ 466 dev_info_t *m_dip; 467 uint_t m_instance; 468 uint8_t *m_src_addr; 469 uint8_t *m_dst_addr; 470 mac_callbacks_t *m_callbacks; 471 uint_t m_min_sdu; 472 uint_t m_max_sdu; 473 void *m_pdata; 474 size_t m_pdata_size; 475 char **m_priv_props; 476 uint32_t m_margin; 477 uint32_t m_v12n; /* Virtualization level */ 478 uint_t m_multicast_sdu; 479 } mac_register_t; 480 481 /* 482 * Driver interface functions. 483 */ 484 extern mac_protect_t *mac_protect_get(mac_handle_t); 485 extern void mac_sdu_get(mac_handle_t, uint_t *, uint_t *); 486 extern void mac_sdu_get2(mac_handle_t, uint_t *, uint_t *, 487 uint_t *); 488 extern int mac_maxsdu_update(mac_handle_t, uint_t); 489 extern int mac_maxsdu_update2(mac_handle_t, uint_t, 490 uint_t); 491 492 extern mac_register_t *mac_alloc(uint_t); 493 extern void mac_free(mac_register_t *); 494 extern int mac_register(mac_register_t *, mac_handle_t *); 495 extern int mac_disable_nowait(mac_handle_t); 496 extern int mac_disable(mac_handle_t); 497 extern int mac_unregister(mac_handle_t); 498 extern void mac_rx(mac_handle_t, mac_resource_handle_t, 499 mblk_t *); 500 extern void mac_rx_ring(mac_handle_t, mac_ring_handle_t, 501 mblk_t *, uint64_t); 502 extern void mac_link_update(mac_handle_t, link_state_t); 503 extern void mac_link_redo(mac_handle_t, link_state_t); 504 extern void mac_unicst_update(mac_handle_t, 505 const uint8_t *); 506 extern void mac_dst_update(mac_handle_t, const uint8_t *); 507 extern void mac_tx_update(mac_handle_t); 508 extern void mac_tx_ring_update(mac_handle_t, 509 mac_ring_handle_t); 510 extern void mac_capab_update(mac_handle_t); 511 extern int mac_pdata_update(mac_handle_t, void *, 512 size_t); 513 extern void mac_multicast_refresh(mac_handle_t, 514 mac_multicst_t, void *, boolean_t); 515 extern void mac_unicst_refresh(mac_handle_t, mac_unicst_t, 516 void *); 517 extern void mac_promisc_refresh(mac_handle_t, 518 mac_setpromisc_t, void *); 519 extern boolean_t mac_margin_update(mac_handle_t, uint32_t); 520 extern void mac_margin_get(mac_handle_t, uint32_t *); 521 extern int mac_margin_remove(mac_handle_t, uint32_t); 522 extern int mac_margin_add(mac_handle_t, uint32_t *, 523 boolean_t); 524 extern void mac_init_ops(struct dev_ops *, const char *); 525 extern void mac_fini_ops(struct dev_ops *); 526 extern int mac_devt_to_instance(dev_t); 527 extern minor_t mac_private_minor(void); 528 extern void mac_ring_intr_set(mac_ring_handle_t, 529 ddi_intr_handle_t); 530 531 532 extern mactype_register_t *mactype_alloc(uint_t); 533 extern void mactype_free(mactype_register_t *); 534 extern int mactype_register(mactype_register_t *); 535 extern int mactype_unregister(const char *); 536 537 extern boolean_t mac_unicst_verify(mac_handle_t, 538 const uint8_t *, uint_t); 539 540 extern int mac_group_add_ring(mac_group_handle_t, int); 541 extern void mac_group_rem_ring(mac_group_handle_t, 542 mac_ring_handle_t); 543 extern mac_ring_handle_t mac_find_ring(mac_group_handle_t, int); 544 545 extern void mac_prop_info_set_default_uint8( 546 mac_prop_info_handle_t, uint8_t); 547 extern void mac_prop_info_set_default_str( 548 mac_prop_info_handle_t, const char *); 549 extern void mac_prop_info_set_default_uint64( 550 mac_prop_info_handle_t, uint64_t); 551 extern void mac_prop_info_set_default_uint32( 552 mac_prop_info_handle_t, uint32_t); 553 extern void mac_prop_info_set_default_link_flowctrl( 554 mac_prop_info_handle_t, link_flowctrl_t); 555 extern void mac_prop_info_set_range_uint32( 556 mac_prop_info_handle_t, 557 uint32_t, uint32_t); 558 extern void mac_prop_info_set_perm(mac_prop_info_handle_t, 559 uint8_t); 560 561 extern void mac_hcksum_get(mblk_t *, uint32_t *, 562 uint32_t *, uint32_t *, uint32_t *, 563 uint32_t *); 564 extern void mac_hcksum_set(mblk_t *, uint32_t, uint32_t, 565 uint32_t, uint32_t, uint32_t); 566 567 extern void mac_lso_get(mblk_t *, uint32_t *, uint32_t *); 568 569 extern void mac_transceiver_info_set_present( 570 mac_transceiver_info_t *, 571 boolean_t); 572 extern void mac_transceiver_info_set_usable( 573 mac_transceiver_info_t *, 574 boolean_t); 575 576 #endif /* _KERNEL */ 577 578 #ifdef __cplusplus 579 } 580 #endif 581 582 #endif /* _SYS_MAC_PROVIDER_H */ 583