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 2010 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 * Copyright (c) 2017, Joyent, Inc. 25 */ 26 27 #ifndef _SYS_DLD_H 28 #define _SYS_DLD_H 29 30 /* 31 * Data-Link Driver ioctl interfaces. 32 * 33 * Note that the data structures defined here define an ioctl interface 34 * that is shared betwen user and kernel space. The dld driver thus 35 * assumes that the structures have identical layout and size when 36 * compiled in either IPL32 or LP64. 37 */ 38 39 #include <sys/types.h> 40 #include <sys/stream.h> 41 #include <sys/mac_flow.h> 42 #include <sys/conf.h> 43 #include <sys/sad.h> 44 #include <sys/mac.h> 45 46 #ifdef __cplusplus 47 extern "C" { 48 #endif 49 50 /* 51 * Data-Link Driver Information (text emitted by modinfo(1m)) 52 */ 53 #define DLD_INFO "Data-Link Driver" 54 55 /* 56 * Options: To enable an option set the property name to a non-zero value 57 * in kernel/drv/dld.conf. 58 */ 59 60 /* 61 * Prevent use of the IP fast-path (direct M_DATA transmit). 62 */ 63 #define DLD_PROP_NO_FASTPATH "no-fastpath" 64 65 /* 66 * Prevent advertising of the DL_CAPAB_POLL capability. 67 */ 68 #define DLD_PROP_NO_POLL "no-poll" 69 70 /* 71 * Prevent advertising of the DL_CAPAB_ZEROCOPY capability. 72 */ 73 #define DLD_PROP_NO_ZEROCOPY "no-zerocopy" 74 75 /* 76 * Prevent advertising of the DL_CAPAB_SOFTRING capability. 77 */ 78 #define DLD_PROP_NO_SOFTRING "no-softring" 79 80 /* 81 * The name of the driver. 82 */ 83 #define DLD_DRIVER_NAME "dld" 84 85 #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 86 #pragma pack(4) 87 #endif 88 89 /* 90 * IOCTL codes and data structures. 91 */ 92 #define DLDIOC_ATTR DLDIOC(0x03) 93 94 typedef struct dld_ioc_attr { 95 datalink_id_t dia_linkid; 96 uint_t dia_max_sdu; 97 } dld_ioc_attr_t; 98 99 #define DLDIOC_VLAN_ATTR DLDIOC(0x04) 100 typedef struct dld_ioc_vlan_attr { 101 datalink_id_t div_vlanid; 102 uint16_t div_vid; 103 datalink_id_t div_linkid; 104 boolean_t div_force; 105 } dld_ioc_vlan_attr_t; 106 107 #define DLDIOC_PHYS_ATTR DLDIOC(0x05) 108 #define DLPI_LINKNAME_MAX 32 109 110 typedef struct dld_ioc_phys_attr { 111 datalink_id_t dip_linkid; 112 /* 113 * Whether this physical link supports vanity naming. Note that 114 * physical links whose media type is not supported by GLDv3 115 * can not support vanity naming. 116 */ 117 boolean_t dip_novanity; 118 char dip_dev[MAXLINKNAMELEN]; 119 } dld_ioc_phys_attr_t; 120 121 /* 122 * Secure objects ioctls 123 */ 124 typedef enum { 125 DLD_SECOBJ_CLASS_WEP = 1, 126 DLD_SECOBJ_CLASS_WPA 127 } dld_secobj_class_t; 128 129 #define DLD_SECOBJ_OPT_CREATE 0x00000001 130 #define DLD_SECOBJ_NAME_MAX 32 131 #define DLD_SECOBJ_VAL_MAX 256 132 typedef struct dld_secobj { 133 char so_name[DLD_SECOBJ_NAME_MAX]; 134 dld_secobj_class_t so_class; 135 uint8_t so_val[DLD_SECOBJ_VAL_MAX]; 136 uint_t so_len; 137 } dld_secobj_t; 138 139 #define DLDIOC_SECOBJ_SET DLDIOC(0x06) 140 typedef struct dld_ioc_secobj_set { 141 dld_secobj_t ss_obj; 142 uint_t ss_flags; 143 } dld_ioc_secobj_set_t; 144 145 #define DLDIOC_SECOBJ_GET DLDIOC(0x07) 146 typedef struct dld_ioc_secobj_get { 147 dld_secobj_t sg_obj; 148 uint_t sg_count; 149 uint_t sg_size; 150 } dld_ioc_secobj_get_t; 151 152 /* 153 * The following two slots were used outside of ON, so don't reuse them. 154 * 155 * #define DLDIOCHOLDVLAN DLDIOC(0x08) 156 * #define DLDIOCRELEVLAN DLDIOC(0x09) 157 */ 158 159 #define DLDIOC_SECOBJ_UNSET DLDIOC(0x0a) 160 typedef struct dld_ioc_secobj_unset { 161 char su_name[DLD_SECOBJ_NAME_MAX]; 162 } dld_ioc_secobj_unset_t; 163 164 #define DLDIOC_CREATE_VLAN DLDIOC(0x0b) 165 typedef struct dld_ioc_create_vlan { 166 datalink_id_t dic_vlanid; 167 datalink_id_t dic_linkid; 168 uint16_t dic_vid; 169 boolean_t dic_force; 170 } dld_ioc_create_vlan_t; 171 172 #define DLDIOC_DELETE_VLAN DLDIOC(0x0c) 173 typedef struct dld_ioc_delete_vlan { 174 datalink_id_t did_linkid; 175 } dld_ioc_delete_vlan_t; 176 177 /* 178 * The following constants have been removed, and the slots are open: 179 * 180 * #define DLDIOC_SETAUTOPUSH DLDIOC(0x0d) 181 * #define DLDIOC_GETAUTOPUSH DLDIOC(0x0e) 182 * #define DLDIOC_CLRAUTOPUSH DLDIOC(0x0f) 183 */ 184 185 #define DLDIOC_DOORSERVER DLDIOC(0x10) 186 typedef struct dld_ioc_door { 187 boolean_t did_start_door; 188 } dld_ioc_door_t; 189 190 #define DLDIOC_RENAME DLDIOC(0x11) 191 typedef struct dld_ioc_rename { 192 datalink_id_t dir_linkid1; 193 datalink_id_t dir_linkid2; 194 char dir_link[MAXLINKNAMELEN]; 195 } dld_ioc_rename_t; 196 197 /* 198 * The following constants have been removed, and the slots are open: 199 * 200 * #define DLDIOC_SETZID DLDIOC(0x12) 201 * #define DLDIOC_GETZID DLDIOC(0x13) 202 */ 203 204 typedef struct dld_ioc_zid { 205 zoneid_t diz_zid; 206 datalink_id_t diz_linkid; 207 } dld_ioc_zid_t; 208 209 /* 210 * data-link autopush configuration. 211 */ 212 struct dlautopush { 213 uint_t dap_anchor; 214 uint_t dap_npush; 215 char dap_aplist[MAXAPUSH][FMNAMESZ+1]; 216 }; 217 218 #define DLDIOC_MACADDRGET DLDIOC(0x15) 219 typedef struct dld_ioc_macaddrget { 220 datalink_id_t dig_linkid; 221 uint_t dig_count; 222 uint_t dig_size; 223 } dld_ioc_macaddrget_t; 224 225 /* possible flags for dmi_flags below */ 226 #define DLDIOCMACADDR_USED 0x1 /* address slot used */ 227 228 typedef struct dld_macaddrinfo { 229 uint_t dmi_slot; 230 uint_t dmi_flags; 231 uint_t dmi_addrlen; 232 uchar_t dmi_addr[MAXMACADDRLEN]; 233 char dmi_client_name[MAXNAMELEN]; 234 datalink_id_t dma_client_linkid; 235 } dld_macaddrinfo_t; 236 237 /* 238 * IOCTL codes and data structures for flowadm. 239 */ 240 #define DLDIOC_ADDFLOW DLDIOC(0x16) 241 typedef struct dld_ioc_addflow { 242 datalink_id_t af_linkid; 243 flow_desc_t af_flow_desc; 244 mac_resource_props_t af_resource_props; 245 char af_name[MAXFLOWNAMELEN]; 246 } dld_ioc_addflow_t; 247 248 #define DLDIOC_REMOVEFLOW DLDIOC(0x17) 249 typedef struct dld_ioc_removeflow { 250 char rf_name[MAXFLOWNAMELEN]; 251 } dld_ioc_removeflow_t; 252 253 #define DLDIOC_MODIFYFLOW DLDIOC(0x18) 254 typedef struct dld_ioc_modifyflow { 255 char mf_name[MAXFLOWNAMELEN]; 256 mac_resource_props_t mf_resource_props; 257 } dld_ioc_modifyflow_t; 258 259 #define DLDIOC_WALKFLOW DLDIOC(0x19) 260 typedef struct dld_ioc_walkflow { 261 datalink_id_t wf_linkid; 262 char wf_name[MAXFLOWNAMELEN]; 263 uint32_t wf_nflows; 264 uint_t wf_len; 265 } dld_ioc_walkflow_t; 266 267 typedef struct dld_flowinfo { 268 datalink_id_t fi_linkid; 269 flow_desc_t fi_flow_desc; 270 mac_resource_props_t fi_resource_props; 271 char fi_flowname[MAXFLOWNAMELEN]; 272 uint32_t fi_pad; 273 } dld_flowinfo_t; 274 275 #define DLDIOC_USAGELOG DLDIOC(0x1a) 276 typedef struct dld_ioc_usagelog { 277 mac_logtype_t ul_type; 278 boolean_t ul_onoff; 279 uint_t ul_interval; 280 } dld_ioc_usagelog_t; 281 282 #define DLDIOC_SETMACPROP DLDIOC(0x1b) 283 #define DLDIOC_GETMACPROP DLDIOC(0x1c) 284 285 /* pr_flags can be set to a combination of the following flags */ 286 #define DLD_PROP_DEFAULT 0x0001 287 #define DLD_PROP_POSSIBLE 0x0002 288 289 typedef struct dld_ioc_macprop_s { 290 uint_t pr_flags; 291 datalink_id_t pr_linkid; 292 mac_prop_id_t pr_num; 293 uint_t pr_perm_flags; 294 char pr_name[MAXLINKPROPNAME]; 295 uint_t pr_valsize; /* sizeof pr_val */ 296 char pr_val[1]; 297 } dld_ioc_macprop_t; 298 299 #define DLDIOC_GETHWGRP DLDIOC(0x1d) 300 301 typedef struct dld_ioc_hwgrpget { 302 datalink_id_t dih_linkid; 303 uint_t dih_n_groups; /* number of groups included in ioc */ 304 uint_t dih_size; 305 } dld_ioc_hwgrpget_t; 306 307 #define MAXCLIENTNAMELEN 1024 308 typedef struct dld_hwgrpinfo { 309 char dhi_link_name[MAXLINKNAMELEN]; 310 uint_t dhi_grp_num; 311 uint_t dhi_grp_type; 312 uint_t dhi_n_rings; 313 uint_t dhi_n_clnts; 314 uint_t dhi_rings[MAX_RINGS_PER_GROUP]; 315 char dhi_clnts[MAXCLIENTNAMELEN]; 316 } dld_hwgrpinfo_t; 317 318 #define DLDIOC_GETTRAN DLDIOC(0x1e) 319 320 #define DLDIOC_GETTRAN_GETNTRAN UINT32_MAX 321 322 typedef struct dld_ioc_gettran { 323 datalink_id_t dgt_linkid; 324 uint_t dgt_tran_id; 325 boolean_t dgt_present; 326 boolean_t dgt_usable; 327 } dld_ioc_gettran_t; 328 329 #define DLDIOC_READTRAN DLDIOC(0x1f) 330 typedef struct dld_ioc_tranio { 331 datalink_id_t dti_linkid; 332 uint_t dti_tran_id; 333 uint_t dti_page; 334 uint_t dti_nbytes; 335 uint_t dti_off; 336 uint64_t dti_buf; 337 } dld_ioc_tranio_t; 338 339 #define DLDIOC_GETLED DLDIOC(0x20) 340 #define DLDIOC_SETLED DLDIOC(0x21) 341 342 typedef struct dld_ioc_led { 343 datalink_id_t dil_linkid; 344 mac_led_mode_t dil_supported; 345 mac_led_mode_t dil_active; 346 uint_t dil_pad; 347 } dld_ioc_led_t; 348 349 #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 350 #pragma pack() 351 #endif 352 353 #ifdef _KERNEL 354 355 #define DLD_CAPAB_DIRECT 0x00000001 356 #define DLD_CAPAB_POLL 0x00000002 357 #define DLD_CAPAB_PERIM 0x00000003 358 #define DLD_CAPAB_LSO 0x00000004 359 360 #define DLD_ENABLE 0x00000001 361 #define DLD_DISABLE 0x00000002 362 #define DLD_QUERY 0x00000003 363 364 /* 365 * GLDv3 entry point for negotiating capabilities. 366 * This is exposed to IP after negotiation of DL_CAPAB_DLD. 367 * 368 * This function takes the following arguments: 369 * handle: used for identifying the interface to operate on (provided by dld). 370 * type: capability type. 371 * arg: points to a capability-specific structure. 372 * flags: used for indicating whether to enable or disable a capability. 373 * 374 * With this function, capability negotiation is reduced from a multi-step 375 * process to just one single function call. 376 * e.g. the following code would pass 'x' from IP to dld and obtain 377 * arg.output_arg from dld: 378 * 379 * arg.input_arg = x; 380 * rc = (*dld_capab)(handle, DLD_CAPAB_XXX, &arg, DLD_ENABLE); 381 * ill->info1 = arg.output_arg; 382 */ 383 typedef int (*dld_capab_func_t)(void *, uint_t, void *, uint_t); 384 385 /* 386 * Direct Tx/Rx capability. 387 */ 388 typedef struct dld_capab_direct_s { 389 /* 390 * Rx entry point and handle, owned by IP. 391 */ 392 uintptr_t di_rx_cf; 393 void *di_rx_ch; 394 395 /* 396 * Tx entry points and handle, owned by DLD. 397 */ 398 /* Entry point for transmitting packets */ 399 uintptr_t di_tx_df; 400 void *di_tx_dh; 401 402 /* flow control notification callback */ 403 uintptr_t di_tx_cb_df; /* callback registration/de-registration */ 404 void *di_tx_cb_dh; 405 406 /* flow control "can I put on a ring" callback */ 407 uintptr_t di_tx_fctl_df; /* canput-like callback */ 408 void *di_tx_fctl_dh; 409 } dld_capab_direct_t; 410 411 /* 412 * Polling/softring capability. 413 */ 414 #define POLL_SOFTRING 0x00000001 415 typedef struct dld_capab_poll_s { 416 uintptr_t poll_ring_add_cf; 417 uintptr_t poll_ring_remove_cf; 418 uintptr_t poll_ring_quiesce_cf; 419 uintptr_t poll_ring_restart_cf; 420 uintptr_t poll_ring_bind_cf; 421 void *poll_ring_ch; 422 uintptr_t poll_mac_accept_df; 423 void *poll_mac_dh; 424 } dld_capab_poll_t; 425 426 /* 427 * LSO capability 428 */ 429 /* 430 * Currently supported flags for LSO. 431 */ 432 #define DLD_LSO_BASIC_TCP_IPV4 0x01 /* TCP LSO over IPv4 capability */ 433 #define DLD_LSO_BASIC_TCP_IPV6 0x02 /* TCP LSO over IPv6 capability */ 434 435 typedef struct dld_capab_lso_s { 436 uint_t lso_flags; /* capability flags */ 437 uint_t lso_max_tcpv4; /* maximum TCPv4 payload */ 438 uint_t lso_max_tcpv6; /* maximum TCPv6 payload */ 439 } dld_capab_lso_t; 440 441 int dld_getinfo(dev_info_t *, ddi_info_cmd_t, void *, void **); 442 int dld_devt_to_instance(dev_t); 443 int dld_open(queue_t *, dev_t *, int, int, cred_t *); 444 int dld_close(queue_t *, int, cred_t *); 445 int dld_wput(queue_t *, mblk_t *); 446 int dld_wsrv(queue_t *); 447 int dld_str_open(queue_t *, dev_t *, void *); 448 int dld_str_close(queue_t *); 449 void *dld_str_private(queue_t *); 450 void dld_init_ops(struct dev_ops *, const char *); 451 void dld_fini_ops(struct dev_ops *); 452 int dld_autopush(dev_t *, struct dlautopush *); 453 454 int dld_add_flow(datalink_id_t, char *, flow_desc_t *, 455 mac_resource_props_t *); 456 int dld_remove_flow(char *); 457 int dld_modify_flow(char *, mac_resource_props_t *); 458 int dld_walk_flow(dld_ioc_walkflow_t *, intptr_t, cred_t *); 459 460 #endif 461 462 #ifdef __cplusplus 463 } 464 #endif 465 466 #endif /* _SYS_DLD_H */ 467