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 * Copyright 2015 Garrett D'Amore <garrett@damore.org> 26 * Copyright 2016 Joyent, Inc. 27 * Copyright 2023 Oxide Computer Company 28 */ 29 30 /* 31 * Ethernet MAC plugin for the Nemo mac module 32 */ 33 34 #include <sys/types.h> 35 #include <sys/modctl.h> 36 #include <sys/dlpi.h> 37 #include <sys/dld_impl.h> 38 #include <sys/mac_ether.h> 39 #include <sys/ethernet.h> 40 #include <sys/byteorder.h> 41 #include <sys/strsun.h> 42 #include <inet/common.h> 43 44 static uint8_t ether_brdcst[] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; 45 46 static mac_stat_info_t ether_stats[] = { 47 /* RFC1643 stats */ 48 { ETHER_STAT_ALIGN_ERRORS, "align_errors", KSTAT_DATA_UINT32, 0 }, 49 { ETHER_STAT_FCS_ERRORS, "fcs_errors", KSTAT_DATA_UINT32, 0 }, 50 { ETHER_STAT_FIRST_COLLISIONS, "first_collisions", KSTAT_DATA_UINT32, 51 0 }, 52 { ETHER_STAT_MULTI_COLLISIONS, "multi_collisions", KSTAT_DATA_UINT32, 53 0 }, 54 { ETHER_STAT_SQE_ERRORS, "sqe_errors", KSTAT_DATA_UINT32, 0}, 55 { ETHER_STAT_DEFER_XMTS, "defer_xmts", KSTAT_DATA_UINT32, 0}, 56 { ETHER_STAT_TX_LATE_COLLISIONS, "tx_late_collisions", 57 KSTAT_DATA_UINT32, 0 }, 58 { ETHER_STAT_EX_COLLISIONS, "ex_collisions", KSTAT_DATA_UINT32, 0 }, 59 { ETHER_STAT_MACXMT_ERRORS, "macxmt_errors", KSTAT_DATA_UINT32, 0 }, 60 { ETHER_STAT_CARRIER_ERRORS, "carrier_errors", KSTAT_DATA_UINT32, 0 }, 61 { ETHER_STAT_TOOLONG_ERRORS, "toolong_errors", KSTAT_DATA_UINT32, 0 }, 62 { ETHER_STAT_MACRCV_ERRORS, "macrcv_errors", KSTAT_DATA_UINT32, 0 }, 63 { ETHER_STAT_TOOSHORT_ERRORS, "runt_errors", KSTAT_DATA_UINT32, 0 }, 64 { ETHER_STAT_JABBER_ERRORS, "jabber_errors", KSTAT_DATA_UINT32, 0 }, 65 66 /* Statistics described in the ieee802.3(7) man page */ 67 { ETHER_STAT_XCVR_ADDR, "xcvr_addr", KSTAT_DATA_UINT32, 0 }, 68 { ETHER_STAT_XCVR_ID, "xcvr_id", KSTAT_DATA_UINT32, 0 }, 69 { ETHER_STAT_XCVR_INUSE, "xcvr_inuse", KSTAT_DATA_UINT32, 0 }, 70 { ETHER_STAT_CAP_400GFDX, "cap_400gfdx", KSTAT_DATA_UINT32, 0 }, 71 { ETHER_STAT_CAP_200GFDX, "cap_200gfdx", KSTAT_DATA_UINT32, 0 }, 72 { ETHER_STAT_CAP_100GFDX, "cap_100gfdx", KSTAT_DATA_UINT32, 0 }, 73 { ETHER_STAT_CAP_50GFDX, "cap_50gfdx", KSTAT_DATA_UINT32, 0 }, 74 { ETHER_STAT_CAP_40GFDX, "cap_40gfdx", KSTAT_DATA_UINT32, 0 }, 75 { ETHER_STAT_CAP_25GFDX, "cap_25gfdx", KSTAT_DATA_UINT32, 0 }, 76 { ETHER_STAT_CAP_10GFDX, "cap_10gfdx", KSTAT_DATA_UINT32, 0 }, 77 { ETHER_STAT_CAP_5000FDX, "cap_5000fdx", KSTAT_DATA_UINT32, 0 }, 78 { ETHER_STAT_CAP_2500FDX, "cap_2500fdx", KSTAT_DATA_UINT32, 0 }, 79 { ETHER_STAT_CAP_1000FDX, "cap_1000fdx", KSTAT_DATA_UINT32, 0 }, 80 { ETHER_STAT_CAP_1000HDX, "cap_1000hdx", KSTAT_DATA_UINT32, 0 }, 81 { ETHER_STAT_CAP_100FDX, "cap_100fdx", KSTAT_DATA_UINT32, 0 }, 82 { ETHER_STAT_CAP_100T4, "cap_100T4", KSTAT_DATA_UINT32, 0 }, 83 { ETHER_STAT_CAP_100HDX, "cap_100hdx", KSTAT_DATA_UINT32, 0 }, 84 { ETHER_STAT_CAP_10FDX, "cap_10fdx", KSTAT_DATA_UINT32, 0 }, 85 { ETHER_STAT_CAP_10HDX, "cap_10hdx", KSTAT_DATA_UINT32, 0 }, 86 { ETHER_STAT_CAP_ASMPAUSE, "cap_asmpause", KSTAT_DATA_UINT32, 0 }, 87 { ETHER_STAT_CAP_PAUSE, "cap_pause", KSTAT_DATA_UINT32, 0 }, 88 { ETHER_STAT_CAP_AUTONEG, "cap_autoneg", KSTAT_DATA_UINT32, 0 }, 89 { ETHER_STAT_CAP_REMFAULT, "cap_rem_fault", KSTAT_DATA_UINT32, 0 }, 90 { ETHER_STAT_ADV_CAP_400GFDX, "adv_cap_400gfdx", KSTAT_DATA_UINT32, 0 }, 91 { ETHER_STAT_ADV_CAP_200GFDX, "adv_cap_200gfdx", KSTAT_DATA_UINT32, 0 }, 92 { ETHER_STAT_ADV_CAP_100GFDX, "adv_cap_100gfdx", KSTAT_DATA_UINT32, 0 }, 93 { ETHER_STAT_ADV_CAP_50GFDX, "adv_cap_50gfdx", KSTAT_DATA_UINT32, 0 }, 94 { ETHER_STAT_ADV_CAP_40GFDX, "adv_cap_40gfdx", KSTAT_DATA_UINT32, 0 }, 95 { ETHER_STAT_ADV_CAP_25GFDX, "adv_cap_25gfdx", KSTAT_DATA_UINT32, 0 }, 96 { ETHER_STAT_ADV_CAP_10GFDX, "adv_cap_10gfdx", KSTAT_DATA_UINT32, 0 }, 97 { ETHER_STAT_ADV_CAP_5000FDX, "adv_cap_5000fdx", KSTAT_DATA_UINT32, 0 }, 98 { ETHER_STAT_ADV_CAP_2500FDX, "adv_cap_2500fdx", KSTAT_DATA_UINT32, 0 }, 99 { ETHER_STAT_ADV_CAP_1000FDX, "adv_cap_1000fdx", KSTAT_DATA_UINT32, 0 }, 100 { ETHER_STAT_ADV_CAP_1000HDX, "adv_cap_1000hdx", KSTAT_DATA_UINT32, 0 }, 101 { ETHER_STAT_ADV_CAP_100FDX, "adv_cap_100fdx", KSTAT_DATA_UINT32, 0}, 102 { ETHER_STAT_ADV_CAP_100T4, "adv_cap_100T4", KSTAT_DATA_UINT32, 0 }, 103 { ETHER_STAT_ADV_CAP_100HDX, "adv_cap_100hdx", KSTAT_DATA_UINT32, 0}, 104 { ETHER_STAT_ADV_CAP_10FDX, "adv_cap_10fdx", KSTAT_DATA_UINT32, 0 }, 105 { ETHER_STAT_ADV_CAP_10HDX, "adv_cap_10hdx", KSTAT_DATA_UINT32, 0 }, 106 { ETHER_STAT_ADV_CAP_ASMPAUSE, "adv_cap_asmpause", KSTAT_DATA_UINT32, 107 0 }, 108 { ETHER_STAT_ADV_CAP_PAUSE, "adv_cap_pause", KSTAT_DATA_UINT32, 0 }, 109 { ETHER_STAT_ADV_CAP_AUTONEG, "adv_cap_autoneg", KSTAT_DATA_UINT32, 0 }, 110 { ETHER_STAT_ADV_REMFAULT, "adv_rem_fault", KSTAT_DATA_UINT32, 0 }, 111 { ETHER_STAT_LP_CAP_400GFDX, "lp_cap_400gfdx", KSTAT_DATA_UINT32, 0 }, 112 { ETHER_STAT_LP_CAP_200GFDX, "lp_cap_200gfdx", KSTAT_DATA_UINT32, 0 }, 113 { ETHER_STAT_LP_CAP_100GFDX, "lp_cap_100gfdx", KSTAT_DATA_UINT32, 0 }, 114 { ETHER_STAT_LP_CAP_50GFDX, "lp_cap_50gfdx", KSTAT_DATA_UINT32, 0 }, 115 { ETHER_STAT_LP_CAP_40GFDX, "lp_cap_40gfdx", KSTAT_DATA_UINT32, 0 }, 116 { ETHER_STAT_LP_CAP_25GFDX, "lp_cap_25gfdx", KSTAT_DATA_UINT32, 0 }, 117 { ETHER_STAT_LP_CAP_10GFDX, "lp_cap_10gfdx", KSTAT_DATA_UINT32, 0 }, 118 { ETHER_STAT_LP_CAP_5000FDX, "lp_cap_5000fdx", KSTAT_DATA_UINT32, 0 }, 119 { ETHER_STAT_LP_CAP_2500FDX, "lp_cap_2500fdx", KSTAT_DATA_UINT32, 0 }, 120 { ETHER_STAT_LP_CAP_1000FDX, "lp_cap_1000fdx", KSTAT_DATA_UINT32, 0 }, 121 { ETHER_STAT_LP_CAP_1000HDX, "lp_cap_1000hdx", KSTAT_DATA_UINT32, 0 }, 122 { ETHER_STAT_LP_CAP_100FDX, "lp_cap_100fdx", KSTAT_DATA_UINT32, 0 }, 123 { ETHER_STAT_LP_CAP_100T4, "lp_cap_100T4", KSTAT_DATA_UINT32, 0 }, 124 { ETHER_STAT_LP_CAP_100HDX, "lp_cap_100hdx", KSTAT_DATA_UINT32, 0 }, 125 { ETHER_STAT_LP_CAP_10FDX, "lp_cap_10fdx", KSTAT_DATA_UINT32, 0 }, 126 { ETHER_STAT_LP_CAP_10HDX, "lp_cap_10hdx", KSTAT_DATA_UINT32, 0 }, 127 { ETHER_STAT_LP_CAP_ASMPAUSE, "lp_cap_asmpause", KSTAT_DATA_UINT32, 0 }, 128 { ETHER_STAT_LP_CAP_PAUSE, "lp_cap_pause", KSTAT_DATA_UINT32, 0 }, 129 { ETHER_STAT_LP_CAP_AUTONEG, "lp_cap_autoneg", KSTAT_DATA_UINT32, 0 }, 130 { ETHER_STAT_LP_REMFAULT, "lp_rem_fault", KSTAT_DATA_UINT32, 0 }, 131 { ETHER_STAT_LINK_ASMPAUSE, "link_asmpause", KSTAT_DATA_UINT32, 0 }, 132 { ETHER_STAT_LINK_PAUSE, "link_pause", KSTAT_DATA_UINT32, 0 }, 133 { ETHER_STAT_LINK_AUTONEG, "link_autoneg", KSTAT_DATA_UINT32, 0 }, 134 { ETHER_STAT_LINK_DUPLEX, "link_duplex", KSTAT_DATA_UINT32, 0 } 135 }; 136 137 static struct modlmisc mac_ether_modlmisc = { 138 &mod_miscops, 139 "Ethernet MAC plugin" 140 }; 141 142 static struct modlinkage mac_ether_modlinkage = { 143 MODREV_1, 144 &mac_ether_modlmisc, 145 NULL 146 }; 147 148 static mactype_ops_t mac_ether_type_ops; 149 150 static mac_ndd_mapping_t mac_ether_mapping[] = { 151 {"adv_autoneg_cap", MAC_PROP_AUTONEG, 0, 1, 152 sizeof (uint8_t), MAC_PROP_PERM_RW}, 153 154 {"adv_400gfdx_cap", MAC_PROP_EN_400GFDX_CAP, 0, 1, 155 sizeof (uint8_t), MAC_PROP_PERM_RW}, 156 157 {"adv_200gfdx_cap", MAC_PROP_EN_200GFDX_CAP, 0, 1, 158 sizeof (uint8_t), MAC_PROP_PERM_RW}, 159 160 {"adv_100gfdx_cap", MAC_PROP_EN_100GFDX_CAP, 0, 1, 161 sizeof (uint8_t), MAC_PROP_PERM_RW}, 162 163 {"adv_50gfdx_cap", MAC_PROP_EN_50GFDX_CAP, 0, 1, 164 sizeof (uint8_t), MAC_PROP_PERM_RW}, 165 166 {"adv_40gfdx_cap", MAC_PROP_EN_40GFDX_CAP, 0, 1, 167 sizeof (uint8_t), MAC_PROP_PERM_RW}, 168 169 {"adv_25gfdx_cap", MAC_PROP_EN_25GFDX_CAP, 0, 1, 170 sizeof (uint8_t), MAC_PROP_PERM_RW}, 171 172 {"adv_10gfdx_cap", MAC_PROP_EN_10GFDX_CAP, 0, 1, 173 sizeof (uint8_t), MAC_PROP_PERM_RW}, 174 175 {"adv_5000fdx_cap", MAC_PROP_EN_5000FDX_CAP, 0, 1, 176 sizeof (uint8_t), MAC_PROP_PERM_RW}, 177 178 {"adv_2500fdx_cap", MAC_PROP_EN_2500FDX_CAP, 0, 1, 179 sizeof (uint8_t), MAC_PROP_PERM_RW}, 180 181 {"adv_1000fdx_cap", MAC_PROP_EN_1000FDX_CAP, 0, 1, 182 sizeof (uint8_t), MAC_PROP_PERM_RW}, 183 184 {"adv_1000hdx_cap", MAC_PROP_EN_1000HDX_CAP, 0, 1, 185 sizeof (uint8_t), MAC_PROP_PERM_RW}, 186 187 {"adv_100fdx_cap", MAC_PROP_EN_100FDX_CAP, 0, 1, 188 sizeof (uint8_t), MAC_PROP_PERM_RW}, 189 190 {"adv_100T4_cap", MAC_PROP_EN_100T4_CAP, 0, 1, 191 sizeof (uint8_t), MAC_PROP_PERM_READ}, 192 193 {"adv_100hdx_cap", MAC_PROP_EN_100HDX_CAP, 0, 1, 194 sizeof (uint8_t), MAC_PROP_PERM_RW}, 195 196 {"adv_10fdx_cap", MAC_PROP_EN_10FDX_CAP, 0, 1, 197 sizeof (uint8_t), MAC_PROP_PERM_RW}, 198 199 {"adv_10hdx_cap", MAC_PROP_EN_10HDX_CAP, 0, 1, 200 sizeof (uint8_t), MAC_PROP_PERM_RW}, 201 202 {"link_status", MAC_STAT_LINK_UP, 0, 1, 203 sizeof (long), MAC_PROP_FLAGS_RK}, 204 205 {"link_speed", MAC_PROP_SPEED, 0, LONG_MAX, 206 sizeof (uint64_t), MAC_PROP_PERM_READ}, 207 208 {"link_duplex", MAC_PROP_DUPLEX, 0, 2, 209 sizeof (link_duplex_t), MAC_PROP_PERM_READ}, 210 211 {"autoneg_cap", ETHER_STAT_CAP_AUTONEG, 0, 1, 212 sizeof (long), MAC_PROP_FLAGS_RK}, 213 214 {"pause_cap", ETHER_STAT_CAP_PAUSE, 0, 1, 215 sizeof (long), MAC_PROP_FLAGS_RK}, 216 217 {"asym_pause_cap", ETHER_STAT_CAP_ASMPAUSE, 0, 1, 218 sizeof (long), MAC_PROP_FLAGS_RK}, 219 220 {"400gfdx_cap", ETHER_STAT_CAP_400GFDX, 0, 1, 221 sizeof (long), MAC_PROP_FLAGS_RK}, 222 223 {"200gfdx_cap", ETHER_STAT_CAP_200GFDX, 0, 1, 224 sizeof (long), MAC_PROP_FLAGS_RK}, 225 226 {"100gfdx_cap", ETHER_STAT_CAP_100GFDX, 0, 1, 227 sizeof (long), MAC_PROP_FLAGS_RK}, 228 229 {"50gfdx_cap", ETHER_STAT_CAP_50GFDX, 0, 1, 230 sizeof (long), MAC_PROP_FLAGS_RK}, 231 232 {"40gfdx_cap", ETHER_STAT_CAP_40GFDX, 0, 1, 233 sizeof (long), MAC_PROP_FLAGS_RK}, 234 235 {"25gfdx_cap", ETHER_STAT_CAP_25GFDX, 0, 1, 236 sizeof (long), MAC_PROP_FLAGS_RK}, 237 238 {"10gfdx_cap", ETHER_STAT_CAP_10GFDX, 0, 1, 239 sizeof (long), MAC_PROP_FLAGS_RK}, 240 241 {"5000fdx_cap", ETHER_STAT_CAP_5000FDX, 0, 1, 242 sizeof (long), MAC_PROP_FLAGS_RK}, 243 244 {"2500fdx_cap", ETHER_STAT_CAP_2500FDX, 0, 1, 245 sizeof (long), MAC_PROP_FLAGS_RK}, 246 247 {"1000fdx_cap", ETHER_STAT_CAP_1000FDX, 0, 1, 248 sizeof (long), MAC_PROP_FLAGS_RK}, 249 250 {"1000hdx_cap", ETHER_STAT_CAP_1000HDX, 0, 1, 251 sizeof (long), MAC_PROP_FLAGS_RK}, 252 253 {"100fdx_cap", ETHER_STAT_CAP_100FDX, 0, 1, 254 sizeof (long), MAC_PROP_FLAGS_RK}, 255 256 {"100T4_cap", ETHER_STAT_CAP_100T4, 0, 1, 257 sizeof (long), MAC_PROP_FLAGS_RK}, 258 259 {"100hdx_cap", ETHER_STAT_CAP_100HDX, 0, 1, 260 sizeof (long), MAC_PROP_FLAGS_RK}, 261 262 {"10fdx_cap", ETHER_STAT_CAP_10FDX, 0, 1, 263 sizeof (long), MAC_PROP_FLAGS_RK}, 264 265 {"10hdx_cap", ETHER_STAT_CAP_10HDX, 0, 1, 266 sizeof (long), MAC_PROP_FLAGS_RK}, 267 268 {"lp_autoneg_cap", ETHER_STAT_LP_CAP_AUTONEG, 0, 1, 269 sizeof (long), MAC_PROP_FLAGS_RK}, 270 271 {"lp_pause_cap", ETHER_STAT_LP_CAP_PAUSE, 0, 1, 272 sizeof (long), MAC_PROP_FLAGS_RK}, 273 274 {"lp_asym_pause_cap", ETHER_STAT_LP_CAP_ASMPAUSE, 0, 1, 275 sizeof (long), MAC_PROP_FLAGS_RK}, 276 277 {"lp_400gfdx_cap", ETHER_STAT_LP_CAP_400GFDX, 0, 1, 278 sizeof (long), MAC_PROP_FLAGS_RK}, 279 280 {"lp_200gfdx_cap", ETHER_STAT_LP_CAP_200GFDX, 0, 1, 281 sizeof (long), MAC_PROP_FLAGS_RK}, 282 283 {"lp_100gfdx_cap", ETHER_STAT_LP_CAP_100GFDX, 0, 1, 284 sizeof (long), MAC_PROP_FLAGS_RK}, 285 286 {"lp_50gfdx_cap", ETHER_STAT_LP_CAP_50GFDX, 0, 1, 287 sizeof (long), MAC_PROP_FLAGS_RK}, 288 289 {"lp_40gfdx_cap", ETHER_STAT_LP_CAP_40GFDX, 0, 1, 290 sizeof (long), MAC_PROP_FLAGS_RK}, 291 292 {"lp_25gfdx_cap", ETHER_STAT_LP_CAP_25GFDX, 0, 1, 293 sizeof (long), MAC_PROP_FLAGS_RK}, 294 295 {"lp_10gfdx_cap", ETHER_STAT_LP_CAP_10GFDX, 0, 1, 296 sizeof (long), MAC_PROP_FLAGS_RK}, 297 298 {"lp_5000fdx_cap", ETHER_STAT_LP_CAP_5000FDX, 0, 1, 299 sizeof (long), MAC_PROP_FLAGS_RK}, 300 301 {"lp_2500fdx_cap", ETHER_STAT_LP_CAP_2500FDX, 0, 1, 302 sizeof (long), MAC_PROP_FLAGS_RK}, 303 304 {"lp_1000hdx_cap", ETHER_STAT_LP_CAP_1000HDX, 0, 1, 305 sizeof (long), MAC_PROP_FLAGS_RK}, 306 307 {"lp_1000fdx_cap", ETHER_STAT_LP_CAP_1000FDX, 0, 1, 308 sizeof (long), MAC_PROP_FLAGS_RK}, 309 310 {"lp_100fdx_cap", ETHER_STAT_LP_CAP_100FDX, 0, 1, 311 sizeof (long), MAC_PROP_FLAGS_RK}, 312 313 {"lp_100T4_cap", ETHER_STAT_LP_CAP_100T4, 0, 1, 314 sizeof (long), MAC_PROP_FLAGS_RK}, 315 316 {"lp_100hdx_cap", ETHER_STAT_LP_CAP_100HDX, 0, 1, 317 sizeof (long), MAC_PROP_FLAGS_RK}, 318 319 {"lp_10fdx_cap", ETHER_STAT_LP_CAP_10FDX, 0, 1, 320 sizeof (long), MAC_PROP_FLAGS_RK}, 321 322 {"lp_10hdx_cap", ETHER_STAT_LP_CAP_10HDX, 0, 1, 323 sizeof (long), MAC_PROP_FLAGS_RK}, 324 325 {"link_autoneg", ETHER_STAT_LINK_AUTONEG, 0, 1, 326 sizeof (long), MAC_PROP_FLAGS_RK} 327 328 }; 329 330 331 int 332 _init(void) 333 { 334 mactype_register_t *mtrp; 335 int err; 336 337 if ((mtrp = mactype_alloc(MACTYPE_VERSION)) == NULL) 338 return (ENOTSUP); 339 mtrp->mtr_ident = MAC_PLUGIN_IDENT_ETHER; 340 mtrp->mtr_ops = &mac_ether_type_ops; 341 mtrp->mtr_mactype = DL_ETHER; 342 mtrp->mtr_nativetype = DL_ETHER; 343 mtrp->mtr_addrlen = ETHERADDRL; 344 mtrp->mtr_brdcst_addr = ether_brdcst; 345 mtrp->mtr_stats = ether_stats; 346 mtrp->mtr_statcount = A_CNT(ether_stats); 347 mtrp->mtr_mapping = mac_ether_mapping; 348 mtrp->mtr_mappingcount = A_CNT(mac_ether_mapping); 349 if ((err = mactype_register(mtrp)) == 0) { 350 if ((err = mod_install(&mac_ether_modlinkage)) != 0) 351 (void) mactype_unregister(MAC_PLUGIN_IDENT_ETHER); 352 } 353 mactype_free(mtrp); 354 return (err); 355 } 356 357 int 358 _fini(void) 359 { 360 int err; 361 362 if ((err = mactype_unregister(MAC_PLUGIN_IDENT_ETHER)) != 0) 363 return (err); 364 return (mod_remove(&mac_ether_modlinkage)); 365 } 366 367 int 368 _info(struct modinfo *modinfop) 369 { 370 return (mod_info(&mac_ether_modlinkage, modinfop)); 371 } 372 373 /* 374 * MAC Type plugin operations 375 */ 376 377 /* ARGSUSED */ 378 int 379 mac_ether_unicst_verify(const void *addr, void *mac_pdata) 380 { 381 /* If it's not a group address, then it's a valid unicast address. */ 382 return (((((uint8_t *)addr)[0] & 0x01) != 0) ? EINVAL : 0); 383 } 384 385 /* ARGSUSED */ 386 int 387 mac_ether_multicst_verify(const void *addr, void *mac_pdata) 388 { 389 /* The address must be a group address. */ 390 if ((((uint8_t *)addr)[0] & 0x01) == 0) 391 return (EINVAL); 392 /* The address must not be the media broadcast address. */ 393 if (bcmp(addr, ether_brdcst, ETHERADDRL) == 0) 394 return (EINVAL); 395 return (0); 396 } 397 398 /* 399 * Check the legality of an Ethernet SAP value. The following values are 400 * allowed, as specified by PSARC 2003/150: 401 * 402 * 0..ETHERMTU (1500) 802 semantics 403 * ETHERTYPE_802_MIN (1536)..ETHERTYPE_MAX (65535) ethertype semantics 404 * 405 * Note that SAP values less than or equal to ETHERMTU (1500) represent LLC 406 * channels. (See PSARC 2003/150). We strictly use SAP 0 to represent LLC 407 * channels. 408 */ 409 /* ARGSUSED */ 410 boolean_t 411 mac_ether_sap_verify(uint32_t sap, uint32_t *bind_sap, void *mac_pdata) 412 { 413 if (sap >= ETHERTYPE_802_MIN && sap <= ETHERTYPE_MAX) { 414 if (bind_sap != NULL) 415 *bind_sap = sap; 416 return (B_TRUE); 417 } 418 419 if (sap <= ETHERMTU) { 420 if (bind_sap != NULL) 421 *bind_sap = DLS_SAP_LLC; 422 return (B_TRUE); 423 } 424 return (B_FALSE); 425 } 426 427 /* ARGSUSED */ 428 mblk_t * 429 mac_ether_header(const void *saddr, const void *daddr, uint32_t sap, 430 void *mac_pdata, mblk_t *payload, size_t extra_len) 431 { 432 struct ether_header *ehp; 433 mblk_t *mp; 434 uint32_t bind_sap; 435 436 if (!mac_ether_sap_verify(sap, &bind_sap, NULL)) 437 return (NULL); 438 439 mp = allocb(sizeof (struct ether_header) + extra_len, BPRI_HI); 440 if (mp == NULL) 441 return (NULL); 442 443 ehp = (void *)mp->b_rptr; 444 bcopy(daddr, &(ehp->ether_dhost), ETHERADDRL); 445 bcopy(saddr, &(ehp->ether_shost), ETHERADDRL); 446 447 /* 448 * sap <= ETHERMTU indicates that LLC is being used. If that's the 449 * case, then the ether_type needs to be set to the payload length. 450 */ 451 if ((bind_sap == DLS_SAP_LLC) && (payload != NULL)) 452 sap = msgdsize(payload); 453 ehp->ether_type = htons(sap); 454 455 mp->b_wptr += sizeof (struct ether_header); 456 return (mp); 457 } 458 459 /* ARGSUSED */ 460 int 461 mac_ether_header_info(mblk_t *mp, void *mac_pdata, mac_header_info_t *hdr_info) 462 { 463 struct ether_header *ehp; 464 uint16_t ether_type; 465 466 if (MBLKL(mp) < sizeof (struct ether_header)) 467 return (EINVAL); 468 469 ehp = (void *)mp->b_rptr; 470 ether_type = ntohs(ehp->ether_type); 471 472 hdr_info->mhi_hdrsize = sizeof (struct ether_header); 473 hdr_info->mhi_daddr = (const uint8_t *)&(ehp->ether_dhost); 474 hdr_info->mhi_saddr = (const uint8_t *)&(ehp->ether_shost); 475 hdr_info->mhi_origsap = ether_type; 476 hdr_info->mhi_bindsap = (ether_type > ETHERMTU) ? 477 ether_type : DLS_SAP_LLC; 478 hdr_info->mhi_pktsize = (hdr_info->mhi_bindsap == DLS_SAP_LLC) ? 479 hdr_info->mhi_hdrsize + ether_type : 0; 480 481 if (mac_ether_unicst_verify(hdr_info->mhi_daddr, NULL) == 0) 482 hdr_info->mhi_dsttype = MAC_ADDRTYPE_UNICAST; 483 else if (mac_ether_multicst_verify(hdr_info->mhi_daddr, NULL) == 0) 484 hdr_info->mhi_dsttype = MAC_ADDRTYPE_MULTICAST; 485 else 486 hdr_info->mhi_dsttype = MAC_ADDRTYPE_BROADCAST; 487 488 return (0); 489 } 490 491 /*ARGSUSED3*/ 492 void 493 mac_ether_link_details(char *buf, size_t sz, mac_handle_t mh, void *mac_pdata) 494 { 495 link_duplex_t duplex; 496 uint64_t speed; 497 498 duplex = mac_stat_get(mh, ETHER_STAT_LINK_DUPLEX); 499 speed = mac_stat_get(mh, MAC_STAT_IFSPEED); 500 501 /* convert to Mbps */ 502 speed /= 1000000; 503 504 buf[0] = 0; 505 (void) snprintf(buf, sz, "%u Mbps, %s duplex", (uint32_t)speed, 506 duplex == LINK_DUPLEX_FULL ? "full" : 507 duplex == LINK_DUPLEX_HALF ? "half" : "unknown"); 508 } 509 510 static mactype_ops_t mac_ether_type_ops = { 511 MTOPS_LINK_DETAILS, 512 mac_ether_unicst_verify, 513 mac_ether_multicst_verify, 514 mac_ether_sap_verify, 515 mac_ether_header, 516 mac_ether_header_info, 517 NULL, /* pdata_verify */ 518 NULL, /* header_cook */ 519 NULL, /* header_uncook */ 520 mac_ether_link_details 521 }; 522