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 2008 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _SYS_DLS_H 27 #define _SYS_DLS_H 28 29 #pragma ident "%Z%%M% %I% %E% SMI" 30 31 #include <sys/types.h> 32 #include <sys/stream.h> 33 #include <net/if.h> 34 #include <sys/mac.h> 35 36 /* 37 * Data-Link Services Module 38 */ 39 40 #ifdef __cplusplus 41 extern "C" { 42 #endif 43 44 /* 45 * Module name. 46 */ 47 #define DLS_MODULE_NAME "dls" 48 49 /* 50 * Data-Link Services Information (text emitted by modinfo(1m)) 51 */ 52 #define DLS_INFO "Data-Link Services v%I%" 53 54 /* 55 * Macros for converting ppas to instance #s, Vlan ID, or minor. 56 */ 57 #define DLS_PPA2INST(ppa) ((int)((ppa) % 1000)) 58 #define DLS_PPA2VID(ppa) ((ppa) / 1000) 59 60 /* 61 * Converts a minor to an instance#; makes sense only when minor <= 1000. 62 */ 63 #define DLS_MINOR2INST(minor) ((int)((minor) - 1)) 64 65 typedef enum { 66 DATALINK_CLASS_PHYS = 0x01, 67 DATALINK_CLASS_VLAN = 0x02, 68 DATALINK_CLASS_AGGR = 0x04, 69 DATALINK_CLASS_VNIC = 0x08 70 } datalink_class_t; 71 72 #define DATALINK_CLASS_ALL (DATALINK_CLASS_PHYS | \ 73 DATALINK_CLASS_VLAN | DATALINK_CLASS_AGGR | DATALINK_CLASS_VNIC) 74 75 /* 76 * A combination of flags and media. 77 * flags is the higher 32 bits, and if it is 0x01, it indicates all media 78 * types can be accepted; otherwise, only the given media type (specified 79 * in the lower 32 bits) is accepted. 80 */ 81 typedef uint64_t datalink_media_t; 82 83 #define DATALINK_ANY_MEDIATYPE \ 84 ((datalink_media_t)(((datalink_media_t)0x01) << 32)) 85 86 #define DATALINK_MEDIA_ACCEPTED(dmedia, media) \ 87 (((uint32_t)(((dmedia) >> 32) & 0xfffffffful) & 0x01) ? \ 88 B_TRUE : ((uint32_t)((dmedia) & 0xfffffffful) == (media))) 89 90 #define MAXLINKATTRLEN 32 91 #define MAXLINKATTRVALLEN 1024 92 93 /* 94 * Link attributes used by the kernel. 95 */ 96 /* 97 * The major number and instance number of the underlying physical device 98 * are kept as FPHYMAJ and FPHYINST (major, instance + 1). 99 * 100 * Set for physical links only. 101 */ 102 #define FPHYMAJ "phymaj" /* uint64_t */ 103 #define FPHYINST "phyinst" /* uint64_t */ 104 105 /* 106 * The devname of the physical link. For example, bge0, ce1. Set for physical 107 * links only. 108 */ 109 #define FDEVNAME "devname" /* string */ 110 111 /* 112 * The door file for the dlmgmtd (data-link management) daemon. 113 */ 114 #define DLMGMT_DOOR "/etc/svc/volatile/dladm/dlmgmt_door" 115 116 /* 117 * Door upcall commands. 118 */ 119 #define DLMGMT_CMD_DLS_CREATE 1 120 #define DLMGMT_CMD_DLS_GETATTR 2 121 #define DLMGMT_CMD_DLS_DESTROY 3 122 #define DLMGMT_CMD_GETNAME 4 123 #define DLMGMT_CMD_GETLINKID 5 124 #define DLMGMT_CMD_GETNEXT 6 125 #define DLMGMT_CMD_DLS_UPDATE 7 126 #define DLMGMT_CMD_BASE 128 127 128 /* 129 * Indicate the link mapping is active or persistent 130 */ 131 #define DLMGMT_ACTIVE 0x01 132 #define DLMGMT_PERSIST 0x02 133 134 /* upcall argument */ 135 typedef struct dlmgmt_door_arg { 136 uint_t ld_cmd; 137 } dlmgmt_door_arg_t; 138 139 typedef struct dlmgmt_upcall_arg_create { 140 int ld_cmd; 141 datalink_class_t ld_class; 142 uint32_t ld_media; 143 boolean_t ld_persist; 144 uint64_t ld_phymaj; 145 uint64_t ld_phyinst; 146 char ld_devname[MAXNAMELEN]; 147 } dlmgmt_upcall_arg_create_t; 148 149 /* 150 * Note: ld_padding is necessary to keep the size of the structure the 151 * same on amd64 and i386. The same note applies to other ld_padding 152 * and lr_paddding fields in structures throughout this file. 153 */ 154 typedef struct dlmgmt_upcall_arg_destroy { 155 int ld_cmd; 156 datalink_id_t ld_linkid; 157 boolean_t ld_persist; 158 int ld_padding; 159 } dlmgmt_upcall_arg_destroy_t; 160 161 typedef struct dlmgmt_upcall_arg_update { 162 int ld_cmd; 163 boolean_t ld_novanity; 164 uint32_t ld_media; 165 uint32_t ld_padding; 166 char ld_devname[MAXNAMELEN]; 167 } dlmgmt_upcall_arg_update_t; 168 169 typedef struct dlmgmt_upcall_arg_getattr { 170 int ld_cmd; 171 datalink_id_t ld_linkid; 172 char ld_attr[MAXLINKATTRLEN]; 173 } dlmgmt_upcall_arg_getattr_t; 174 175 typedef struct dlmgmt_door_getname { 176 int ld_cmd; 177 datalink_id_t ld_linkid; 178 } dlmgmt_door_getname_t; 179 180 typedef struct dlmgmt_door_getlinkid { 181 int ld_cmd; 182 char ld_link[MAXLINKNAMELEN]; 183 } dlmgmt_door_getlinkid_t; 184 185 typedef struct dlmgmt_door_getnext_s { 186 int ld_cmd; 187 datalink_id_t ld_linkid; 188 datalink_class_t ld_class; 189 uint32_t ld_flags; 190 datalink_media_t ld_dmedia; 191 } dlmgmt_door_getnext_t; 192 193 /* upcall return value */ 194 typedef struct dlmgmt_retval_s { 195 uint_t lr_err; /* return error code */ 196 } dlmgmt_retval_t; 197 198 typedef dlmgmt_retval_t dlmgmt_destroy_retval_t; 199 200 struct dlmgmt_linkid_retval_s { 201 uint_t lr_err; 202 datalink_id_t lr_linkid; 203 uint32_t lr_flags; 204 datalink_class_t lr_class; 205 uint32_t lr_media; 206 uint32_t lr_padding; 207 }; 208 209 typedef struct dlmgmt_linkid_retval_s dlmgmt_create_retval_t, 210 dlmgmt_update_retval_t, 211 dlmgmt_getlinkid_retval_t, 212 dlmgmt_getnext_retval_t; 213 214 typedef struct dlmgmt_getname_retval_s { 215 uint_t lr_err; 216 char lr_link[MAXLINKNAMELEN]; 217 datalink_class_t lr_class; 218 uint32_t lr_media; 219 uint32_t lr_flags; 220 } dlmgmt_getname_retval_t; 221 222 typedef struct dlmgmt_getattr_retval_s { 223 uint_t lr_err; 224 uint_t lr_type; 225 uint_t lr_attrsz; 226 uint_t lr_padding; 227 char lr_attrval[MAXLINKATTRVALLEN]; 228 } dlmgmt_getattr_retval_t; 229 230 #ifdef _KERNEL 231 232 #define DLS_MAX_PPA 999 233 #define DLS_MAX_MINOR (DLS_MAX_PPA + 1) 234 235 typedef struct dls_t *dls_channel_t; 236 237 extern int dls_open_style2_vlan(major_t, uint_t, dls_channel_t *); 238 extern int dls_open_by_dev(dev_t, dls_channel_t *); 239 extern void dls_close(dls_channel_t); 240 241 extern mac_handle_t dls_mac(dls_channel_t); 242 extern uint16_t dls_vid(dls_channel_t); 243 244 #define DLS_SAP_LLC 0 245 #define DLS_SAP_PROMISC (1 << 16) 246 247 extern int dls_bind(dls_channel_t, uint32_t); 248 extern void dls_unbind(dls_channel_t); 249 250 #define DLS_PROMISC_SAP 0x00000001 251 #define DLS_PROMISC_MULTI 0x00000002 252 #define DLS_PROMISC_PHYS 0x00000004 253 254 extern int dls_promisc(dls_channel_t, uint32_t); 255 256 extern int dls_multicst_add(dls_channel_t, const uint8_t *); 257 extern int dls_multicst_remove(dls_channel_t, const uint8_t *); 258 259 extern mblk_t *dls_header(dls_channel_t, const uint8_t *, 260 uint16_t, uint_t, mblk_t **); 261 extern int dls_header_info(dls_channel_t, mblk_t *, 262 mac_header_info_t *); 263 264 typedef void (*dls_rx_t)(void *, mac_resource_handle_t, mblk_t *, 265 mac_header_info_t *); 266 267 extern void dls_rx_set(dls_channel_t, dls_rx_t, void *); 268 269 extern mblk_t *dls_tx(dls_channel_t, mblk_t *); 270 271 extern boolean_t dls_active_set(dls_channel_t); 272 extern void dls_active_clear(dls_channel_t); 273 274 extern dev_info_t *dls_finddevinfo(dev_t); 275 276 typedef struct dls_devnet_s *dls_dl_handle_t; 277 typedef struct dls_dev_t *dls_dev_handle_t; 278 279 extern int dls_devnet_open(const char *, 280 dls_dl_handle_t *, dev_t *); 281 extern void dls_devnet_close(dls_dl_handle_t); 282 extern boolean_t dls_devnet_rebuild(); 283 284 extern int dls_devnet_rename(datalink_id_t, datalink_id_t, 285 const char *); 286 extern int dls_devnet_create(mac_handle_t, datalink_id_t); 287 extern int dls_devnet_destroy(mac_handle_t, datalink_id_t *); 288 extern int dls_devnet_recreate(mac_handle_t, datalink_id_t); 289 extern int dls_devnet_create_vlan(datalink_id_t, 290 datalink_id_t, uint16_t, boolean_t); 291 extern int dls_devnet_destroy_vlan(datalink_id_t); 292 extern int dls_devnet_hold_tmp(datalink_id_t, dls_dl_handle_t *); 293 extern void dls_devnet_rele_tmp(dls_dl_handle_t); 294 295 extern const char *dls_devnet_mac(dls_dl_handle_t); 296 extern uint16_t dls_devnet_vid(dls_dl_handle_t); 297 extern datalink_id_t dls_devnet_linkid(dls_dl_handle_t); 298 extern boolean_t dls_devnet_is_explicit(dls_dl_handle_t); 299 extern int dls_devnet_dev2linkid(dev_t, datalink_id_t *); 300 extern int dls_devnet_phydev(datalink_id_t, dev_t *); 301 extern int dls_devnet_setzid(const char *, zoneid_t); 302 extern int dls_devnet_getzid(datalink_id_t, zoneid_t *); 303 304 extern int dls_mgmt_door_set(boolean_t); 305 extern int dls_mgmt_create(const char *, dev_t, datalink_class_t, 306 uint32_t, boolean_t, datalink_id_t *); 307 extern int dls_mgmt_destroy(datalink_id_t, boolean_t); 308 extern int dls_mgmt_update(const char *, uint32_t, boolean_t, 309 uint32_t *, datalink_id_t *); 310 extern int dls_mgmt_get_linkinfo(datalink_id_t, char *, 311 datalink_class_t *, uint32_t *, uint32_t *); 312 extern int dls_mgmt_get_linkid(const char *, datalink_id_t *); 313 extern datalink_id_t dls_mgmt_get_next(datalink_id_t, datalink_class_t, 314 datalink_media_t, uint32_t); 315 316 #endif /* _KERNEL */ 317 318 #ifdef __cplusplus 319 } 320 #endif 321 322 #endif /* _SYS_DLS_H */ 323