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 */
27
28 /*
29 * Ethernet MAC plugin for the Nemo mac module
30 */
31
32 #include <sys/types.h>
33 #include <sys/modctl.h>
34 #include <sys/dlpi.h>
35 #include <sys/dld_impl.h>
36 #include <sys/mac_ether.h>
37 #include <sys/ethernet.h>
38 #include <sys/byteorder.h>
39 #include <sys/strsun.h>
40 #include <inet/common.h>
41
42 static uint8_t ether_brdcst[] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
43
44 static mac_stat_info_t ether_stats[] = {
45 /* RFC1643 stats */
46 { ETHER_STAT_ALIGN_ERRORS, "align_errors", KSTAT_DATA_UINT32, 0 },
47 { ETHER_STAT_FCS_ERRORS, "fcs_errors", KSTAT_DATA_UINT32, 0 },
48 { ETHER_STAT_FIRST_COLLISIONS, "first_collisions", KSTAT_DATA_UINT32,
49 0 },
50 { ETHER_STAT_MULTI_COLLISIONS, "multi_collisions", KSTAT_DATA_UINT32,
51 0 },
52 { ETHER_STAT_SQE_ERRORS, "sqe_errors", KSTAT_DATA_UINT32, 0},
53 { ETHER_STAT_DEFER_XMTS, "defer_xmts", KSTAT_DATA_UINT32, 0},
54 { ETHER_STAT_TX_LATE_COLLISIONS, "tx_late_collisions",
55 KSTAT_DATA_UINT32, 0 },
56 { ETHER_STAT_EX_COLLISIONS, "ex_collisions", KSTAT_DATA_UINT32, 0 },
57 { ETHER_STAT_MACXMT_ERRORS, "macxmt_errors", KSTAT_DATA_UINT32, 0 },
58 { ETHER_STAT_CARRIER_ERRORS, "carrier_errors", KSTAT_DATA_UINT32, 0 },
59 { ETHER_STAT_TOOLONG_ERRORS, "toolong_errors", KSTAT_DATA_UINT32, 0 },
60 { ETHER_STAT_MACRCV_ERRORS, "macrcv_errors", KSTAT_DATA_UINT32, 0 },
61 { ETHER_STAT_TOOSHORT_ERRORS, "runt_errors", KSTAT_DATA_UINT32, 0 },
62 { ETHER_STAT_JABBER_ERRORS, "jabber_errors", KSTAT_DATA_UINT32, 0 },
63
64 /* Statistics described in the ieee802.3(5) man page */
65 { ETHER_STAT_XCVR_ADDR, "xcvr_addr", KSTAT_DATA_UINT32, 0 },
66 { ETHER_STAT_XCVR_ID, "xcvr_id", KSTAT_DATA_UINT32, 0 },
67 { ETHER_STAT_XCVR_INUSE, "xcvr_inuse", KSTAT_DATA_UINT32, 0 },
68 { ETHER_STAT_CAP_5000FDX, "cap_5000fdx", KSTAT_DATA_UINT32, 0 },
69 { ETHER_STAT_CAP_2500FDX, "cap_2500fdx", KSTAT_DATA_UINT32, 0 },
70 { ETHER_STAT_CAP_100GFDX, "cap_100gfdx", KSTAT_DATA_UINT32, 0 },
71 { ETHER_STAT_CAP_40GFDX, "cap_40gfdx", KSTAT_DATA_UINT32, 0 },
72 { ETHER_STAT_CAP_10GFDX, "cap_10gfdx", KSTAT_DATA_UINT32, 0 },
73 { ETHER_STAT_CAP_1000FDX, "cap_1000fdx", KSTAT_DATA_UINT32, 0 },
74 { ETHER_STAT_CAP_1000HDX, "cap_1000hdx", KSTAT_DATA_UINT32, 0 },
75 { ETHER_STAT_CAP_100T4, "cap_100T4", KSTAT_DATA_UINT32, 0 },
76 { ETHER_STAT_CAP_100FDX, "cap_100fdx", KSTAT_DATA_UINT32, 0 },
77 { ETHER_STAT_CAP_100HDX, "cap_100hdx", KSTAT_DATA_UINT32, 0 },
78 { ETHER_STAT_CAP_10FDX, "cap_10fdx", KSTAT_DATA_UINT32, 0 },
79 { ETHER_STAT_CAP_10HDX, "cap_10hdx", KSTAT_DATA_UINT32, 0 },
80 { ETHER_STAT_CAP_ASMPAUSE, "cap_asmpause", KSTAT_DATA_UINT32, 0 },
81 { ETHER_STAT_CAP_PAUSE, "cap_pause", KSTAT_DATA_UINT32, 0 },
82 { ETHER_STAT_CAP_AUTONEG, "cap_autoneg", KSTAT_DATA_UINT32, 0 },
83 { ETHER_STAT_CAP_REMFAULT, "cap_rem_fault", KSTAT_DATA_UINT32, 0 },
84 { ETHER_STAT_ADV_CAP_5000FDX, "adv_cap_5000fdx", KSTAT_DATA_UINT32, 0 },
85 { ETHER_STAT_ADV_CAP_2500FDX, "adv_cap_2500fdx", KSTAT_DATA_UINT32, 0 },
86 { ETHER_STAT_ADV_CAP_100GFDX, "adv_cap_100gfdx", KSTAT_DATA_UINT32, 0 },
87 { ETHER_STAT_ADV_CAP_40GFDX, "adv_cap_40gfdx", KSTAT_DATA_UINT32, 0 },
88 { ETHER_STAT_ADV_CAP_10GFDX, "adv_cap_10gfdx", KSTAT_DATA_UINT32, 0 },
89 { ETHER_STAT_ADV_CAP_1000FDX, "adv_cap_1000fdx", KSTAT_DATA_UINT32, 0 },
90 { ETHER_STAT_ADV_CAP_1000HDX, "adv_cap_1000hdx", KSTAT_DATA_UINT32, 0 },
91 { ETHER_STAT_ADV_CAP_100T4, "adv_cap_100T4", KSTAT_DATA_UINT32, 0 },
92 { ETHER_STAT_ADV_CAP_100FDX, "adv_cap_100fdx", KSTAT_DATA_UINT32, 0},
93 { ETHER_STAT_ADV_CAP_100HDX, "adv_cap_100hdx", KSTAT_DATA_UINT32, 0},
94 { ETHER_STAT_ADV_CAP_10FDX, "adv_cap_10fdx", KSTAT_DATA_UINT32, 0 },
95 { ETHER_STAT_ADV_CAP_10HDX, "adv_cap_10hdx", KSTAT_DATA_UINT32, 0 },
96 { ETHER_STAT_ADV_CAP_ASMPAUSE, "adv_cap_asmpause", KSTAT_DATA_UINT32,
97 0 },
98 { ETHER_STAT_ADV_CAP_PAUSE, "adv_cap_pause", KSTAT_DATA_UINT32, 0 },
99 { ETHER_STAT_ADV_CAP_AUTONEG, "adv_cap_autoneg", KSTAT_DATA_UINT32, 0 },
100 { ETHER_STAT_ADV_REMFAULT, "adv_rem_fault", KSTAT_DATA_UINT32, 0 },
101 { ETHER_STAT_LP_CAP_5000FDX, "lp_cap_5000fdx", KSTAT_DATA_UINT32, 0 },
102 { ETHER_STAT_LP_CAP_2500FDX, "lp_cap_2500fdx", KSTAT_DATA_UINT32, 0 },
103 { ETHER_STAT_LP_CAP_100GFDX, "lp_cap_100gfdx", KSTAT_DATA_UINT32, 0 },
104 { ETHER_STAT_LP_CAP_40GFDX, "lp_cap_40gfdx", KSTAT_DATA_UINT32, 0 },
105 { ETHER_STAT_LP_CAP_10GFDX, "lp_cap_10gfdx", KSTAT_DATA_UINT32, 0 },
106 { ETHER_STAT_LP_CAP_1000FDX, "lp_cap_1000fdx", KSTAT_DATA_UINT32, 0 },
107 { ETHER_STAT_LP_CAP_1000HDX, "lp_cap_1000hdx", KSTAT_DATA_UINT32, 0 },
108 { ETHER_STAT_LP_CAP_100T4, "lp_cap_100T4", KSTAT_DATA_UINT32, 0 },
109 { ETHER_STAT_LP_CAP_100FDX, "lp_cap_100fdx", KSTAT_DATA_UINT32, 0 },
110 { ETHER_STAT_LP_CAP_100HDX, "lp_cap_100hdx", KSTAT_DATA_UINT32, 0 },
111 { ETHER_STAT_LP_CAP_10FDX, "lp_cap_10fdx", KSTAT_DATA_UINT32, 0 },
112 { ETHER_STAT_LP_CAP_10HDX, "lp_cap_10hdx", KSTAT_DATA_UINT32, 0 },
113 { ETHER_STAT_LP_CAP_ASMPAUSE, "lp_cap_asmpause", KSTAT_DATA_UINT32, 0 },
114 { ETHER_STAT_LP_CAP_PAUSE, "lp_cap_pause", KSTAT_DATA_UINT32, 0 },
115 { ETHER_STAT_LP_CAP_AUTONEG, "lp_cap_autoneg", KSTAT_DATA_UINT32, 0 },
116 { ETHER_STAT_LP_REMFAULT, "lp_rem_fault", KSTAT_DATA_UINT32, 0 },
117 { ETHER_STAT_LINK_ASMPAUSE, "link_asmpause", KSTAT_DATA_UINT32, 0 },
118 { ETHER_STAT_LINK_PAUSE, "link_pause", KSTAT_DATA_UINT32, 0 },
119 { ETHER_STAT_LINK_AUTONEG, "link_autoneg", KSTAT_DATA_UINT32, 0 },
120 { ETHER_STAT_LINK_DUPLEX, "link_duplex", KSTAT_DATA_UINT32, 0 }
121 };
122
123 static struct modlmisc mac_ether_modlmisc = {
124 &mod_miscops,
125 "Ethernet MAC plugin"
126 };
127
128 static struct modlinkage mac_ether_modlinkage = {
129 MODREV_1,
130 { &mac_ether_modlmisc,
131 NULL }
132 };
133
134 static mactype_ops_t mac_ether_type_ops;
135
136 static mac_ndd_mapping_t mac_ether_mapping[] = {
137 {"adv_autoneg_cap", .mp_prop_id = MAC_PROP_AUTONEG, 0, 1,
138 sizeof (uint8_t), MAC_PROP_PERM_RW},
139
140 {"adv_5000fdx_cap", .mp_prop_id = MAC_PROP_EN_5000FDX_CAP, 0, 1,
141 sizeof (uint8_t), MAC_PROP_PERM_RW},
142
143 {"adv_2500fdx_cap", .mp_prop_id = MAC_PROP_EN_2500FDX_CAP, 0, 1,
144 sizeof (uint8_t), MAC_PROP_PERM_RW},
145
146 {"adv_100gfdx_cap", .mp_prop_id = MAC_PROP_EN_100GFDX_CAP, 0, 1,
147 sizeof (uint8_t), MAC_PROP_PERM_RW},
148
149 {"adv_40gfdx_cap", .mp_prop_id = MAC_PROP_EN_40GFDX_CAP, 0, 1,
150 sizeof (uint8_t), MAC_PROP_PERM_RW},
151
152 {"adv_10gfdx_cap", .mp_prop_id = MAC_PROP_EN_10GFDX_CAP, 0, 1,
153 sizeof (uint8_t), MAC_PROP_PERM_RW},
154
155 {"adv_1000fdx_cap", .mp_prop_id = MAC_PROP_EN_1000FDX_CAP, 0, 1,
156 sizeof (uint8_t), MAC_PROP_PERM_RW},
157
158 {"adv_1000hdx_cap", .mp_prop_id = MAC_PROP_EN_1000HDX_CAP, 0, 1,
159 sizeof (uint8_t), MAC_PROP_PERM_RW},
160
161 {"adv_100fdx_cap", .mp_prop_id = MAC_PROP_EN_100FDX_CAP, 0, 1,
162 sizeof (uint8_t), MAC_PROP_PERM_RW},
163
164 {"adv_100hdx_cap", .mp_prop_id = MAC_PROP_EN_100HDX_CAP, 0, 1,
165 sizeof (uint8_t), MAC_PROP_PERM_RW},
166
167 {"adv_10fdx_cap", .mp_prop_id = MAC_PROP_EN_10FDX_CAP, 0, 1,
168 sizeof (uint8_t), MAC_PROP_PERM_RW},
169
170 {"adv_10hdx_cap", .mp_prop_id = MAC_PROP_EN_10HDX_CAP, 0, 1,
171 sizeof (uint8_t), MAC_PROP_PERM_RW},
172
173 {"adv_100T4_cap", .mp_prop_id = MAC_PROP_EN_100T4_CAP, 0, 1,
174 sizeof (uint8_t), MAC_PROP_PERM_READ},
175
176 {"link_status", .mp_prop_id = MAC_STAT_LINK_UP, 0, 1,
177 sizeof (long), MAC_PROP_FLAGS_RK},
178
179 {"link_speed", .mp_prop_id = MAC_PROP_SPEED, 0, LONG_MAX,
180 sizeof (uint64_t), MAC_PROP_PERM_READ},
181
182 {"link_duplex", .mp_prop_id = MAC_PROP_DUPLEX, 0, 2,
183 sizeof (link_duplex_t), MAC_PROP_PERM_READ},
184
185 {"autoneg_cap", .mp_prop_id = ETHER_STAT_CAP_AUTONEG, 0, 1,
186 sizeof (long), MAC_PROP_FLAGS_RK},
187
188 {"pause_cap", .mp_prop_id = ETHER_STAT_CAP_PAUSE, 0, 1,
189 sizeof (long), MAC_PROP_FLAGS_RK},
190
191 {"asym_pause_cap", .mp_prop_id = ETHER_STAT_CAP_ASMPAUSE, 0, 1,
192 sizeof (long), MAC_PROP_FLAGS_RK},
193
194 {"5000fdx_cap", .mp_prop_id = ETHER_STAT_CAP_5000FDX, 0, 1,
195 sizeof (long), MAC_PROP_FLAGS_RK},
196
197 {"2500fdx_cap", .mp_prop_id = ETHER_STAT_CAP_2500FDX, 0, 1,
198 sizeof (long), MAC_PROP_FLAGS_RK},
199
200 {"100gfdx_cap", .mp_prop_id = ETHER_STAT_CAP_100GFDX, 0, 1,
201 sizeof (long), MAC_PROP_FLAGS_RK},
202
203 {"40gfdx_cap", .mp_prop_id = ETHER_STAT_CAP_40GFDX, 0, 1,
204 sizeof (long), MAC_PROP_FLAGS_RK},
205
206 {"10gfdx_cap", .mp_prop_id = ETHER_STAT_CAP_10GFDX, 0, 1,
207 sizeof (long), MAC_PROP_FLAGS_RK},
208
209 {"1000fdx_cap", .mp_prop_id = ETHER_STAT_CAP_1000FDX, 0, 1,
210 sizeof (long), MAC_PROP_FLAGS_RK},
211
212 {"1000hdx_cap", .mp_prop_id = ETHER_STAT_CAP_1000HDX, 0, 1,
213 sizeof (long), MAC_PROP_FLAGS_RK},
214
215 {"100T4_cap", .mp_prop_id = ETHER_STAT_CAP_100T4, 0, 1,
216 sizeof (long), MAC_PROP_FLAGS_RK},
217
218 {"100fdx_cap", .mp_prop_id = ETHER_STAT_CAP_100FDX, 0, 1,
219 sizeof (long), MAC_PROP_FLAGS_RK},
220
221 {"100hdx_cap", .mp_prop_id = ETHER_STAT_CAP_100HDX, 0, 1,
222 sizeof (long), MAC_PROP_FLAGS_RK},
223
224 {"10fdx_cap", .mp_prop_id = ETHER_STAT_CAP_10FDX, 0, 1,
225 sizeof (long), MAC_PROP_FLAGS_RK},
226
227 {"10hdx_cap", .mp_prop_id = ETHER_STAT_CAP_10HDX, 0, 1,
228 sizeof (long), MAC_PROP_FLAGS_RK},
229
230 {"lp_autoneg_cap", .mp_prop_id = ETHER_STAT_LP_CAP_AUTONEG, 0, 1,
231 sizeof (long), MAC_PROP_FLAGS_RK},
232
233 {"lp_pause_cap", .mp_prop_id = ETHER_STAT_LP_CAP_PAUSE, 0, 1,
234 sizeof (long), MAC_PROP_FLAGS_RK},
235
236 {"lp_asym_pause_cap", .mp_prop_id = ETHER_STAT_LP_CAP_ASMPAUSE, 0, 1,
237 sizeof (long), MAC_PROP_FLAGS_RK},
238
239 {"lp_5000fdx_cap", .mp_prop_id = ETHER_STAT_LP_CAP_5000FDX, 0, 1,
240 sizeof (long), MAC_PROP_FLAGS_RK},
241
242 {"lp_2500fdx_cap", .mp_prop_id = ETHER_STAT_LP_CAP_2500FDX, 0, 1,
243 sizeof (long), MAC_PROP_FLAGS_RK},
244
245 {"lp_100gfdx_cap", .mp_prop_id = ETHER_STAT_LP_CAP_100GFDX, 0, 1,
246 sizeof (long), MAC_PROP_FLAGS_RK},
247
248 {"lp_40gfdx_cap", .mp_prop_id = ETHER_STAT_LP_CAP_40GFDX, 0, 1,
249 sizeof (long), MAC_PROP_FLAGS_RK},
250
251 {"lp_10gfdx_cap", .mp_prop_id = ETHER_STAT_LP_CAP_10GFDX, 0, 1,
252 sizeof (long), MAC_PROP_FLAGS_RK},
253
254 {"lp_1000hdx_cap", .mp_prop_id = ETHER_STAT_LP_CAP_1000HDX, 0, 1,
255 sizeof (long), MAC_PROP_FLAGS_RK},
256
257 {"lp_1000fdx_cap", .mp_prop_id = ETHER_STAT_LP_CAP_1000FDX, 0, 1,
258 sizeof (long), MAC_PROP_FLAGS_RK},
259
260 {"lp_100T4_cap", .mp_prop_id = ETHER_STAT_LP_CAP_100T4, 0, 1,
261 sizeof (long), MAC_PROP_FLAGS_RK},
262
263 {"lp_100fdx_cap", .mp_prop_id = ETHER_STAT_LP_CAP_100FDX, 0, 1,
264 sizeof (long), MAC_PROP_FLAGS_RK},
265
266 {"lp_100hdx_cap", .mp_prop_id = ETHER_STAT_LP_CAP_100HDX, 0, 1,
267 sizeof (long), MAC_PROP_FLAGS_RK},
268
269 {"lp_10fdx_cap", .mp_prop_id = ETHER_STAT_LP_CAP_10FDX, 0, 1,
270 sizeof (long), MAC_PROP_FLAGS_RK},
271
272 {"lp_10hdx_cap", .mp_prop_id = ETHER_STAT_LP_CAP_10HDX, 0, 1,
273 sizeof (long), MAC_PROP_FLAGS_RK},
274
275 {"link_autoneg", .mp_prop_id = ETHER_STAT_LINK_AUTONEG, 0, 1,
276 sizeof (long), MAC_PROP_FLAGS_RK}
277
278 };
279
280
281 int
282 _init(void)
283 {
284 mactype_register_t *mtrp;
285 int err;
286
287 if ((mtrp = mactype_alloc(MACTYPE_VERSION)) == NULL)
288 return (ENOTSUP);
289 mtrp->mtr_ident = MAC_PLUGIN_IDENT_ETHER;
290 mtrp->mtr_ops = &mac_ether_type_ops;
291 mtrp->mtr_mactype = DL_ETHER;
292 mtrp->mtr_nativetype = DL_ETHER;
293 mtrp->mtr_addrlen = ETHERADDRL;
294 mtrp->mtr_brdcst_addr = ether_brdcst;
295 mtrp->mtr_stats = ether_stats;
296 mtrp->mtr_statcount = A_CNT(ether_stats);
297 mtrp->mtr_mapping = mac_ether_mapping;
298 mtrp->mtr_mappingcount = A_CNT(mac_ether_mapping);
299 if ((err = mactype_register(mtrp)) == 0) {
300 if ((err = mod_install(&mac_ether_modlinkage)) != 0)
301 (void) mactype_unregister(MAC_PLUGIN_IDENT_ETHER);
302 }
303 mactype_free(mtrp);
304 return (err);
305 }
306
307 int
308 _fini(void)
309 {
310 int err;
311
312 if ((err = mactype_unregister(MAC_PLUGIN_IDENT_ETHER)) != 0)
313 return (err);
314 return (mod_remove(&mac_ether_modlinkage));
315 }
316
317 int
318 _info(struct modinfo *modinfop)
319 {
320 return (mod_info(&mac_ether_modlinkage, modinfop));
321 }
322
323 /*
324 * MAC Type plugin operations
325 */
326
327 /* ARGSUSED */
328 int
329 mac_ether_unicst_verify(const void *addr, void *mac_pdata)
330 {
331 /* If it's not a group address, then it's a valid unicast address. */
332 return (((((uint8_t *)addr)[0] & 0x01) != 0) ? EINVAL : 0);
333 }
334
335 /* ARGSUSED */
336 int
337 mac_ether_multicst_verify(const void *addr, void *mac_pdata)
338 {
339 /* The address must be a group address. */
340 if ((((uint8_t *)addr)[0] & 0x01) == 0)
341 return (EINVAL);
342 /* The address must not be the media broadcast address. */
343 if (bcmp(addr, ether_brdcst, ETHERADDRL) == 0)
344 return (EINVAL);
345 return (0);
346 }
347
348 /*
349 * Check the legality of an Ethernet SAP value. The following values are
350 * allowed, as specified by PSARC 2003/150:
351 *
352 * 0..ETHERMTU (1500) 802 semantics
353 * ETHERTYPE_802_MIN (1536)..ETHERTYPE_MAX (65535) ethertype semantics
354 *
355 * Note that SAP values less than or equal to ETHERMTU (1500) represent LLC
356 * channels. (See PSARC 2003/150). We strictly use SAP 0 to represent LLC
357 * channels.
358 */
359 /* ARGSUSED */
360 boolean_t
361 mac_ether_sap_verify(uint32_t sap, uint32_t *bind_sap, void *mac_pdata)
362 {
363 if (sap >= ETHERTYPE_802_MIN && sap <= ETHERTYPE_MAX) {
364 if (bind_sap != NULL)
365 *bind_sap = sap;
366 return (B_TRUE);
367 }
368
369 if (sap <= ETHERMTU) {
370 if (bind_sap != NULL)
371 *bind_sap = DLS_SAP_LLC;
372 return (B_TRUE);
373 }
374 return (B_FALSE);
375 }
376
377 /* ARGSUSED */
378 mblk_t *
379 mac_ether_header(const void *saddr, const void *daddr, uint32_t sap,
380 void *mac_pdata, mblk_t *payload, size_t extra_len)
381 {
382 struct ether_header *ehp;
383 mblk_t *mp;
384 uint32_t bind_sap;
385
386 if (!mac_ether_sap_verify(sap, &bind_sap, NULL))
387 return (NULL);
388
389 mp = allocb(sizeof (struct ether_header) + extra_len, BPRI_HI);
390 if (mp == NULL)
391 return (NULL);
392
393 ehp = (void *)mp->b_rptr;
394 bcopy(daddr, &(ehp->ether_dhost), ETHERADDRL);
395 bcopy(saddr, &(ehp->ether_shost), ETHERADDRL);
396
397 /*
398 * sap <= ETHERMTU indicates that LLC is being used. If that's the
399 * case, then the ether_type needs to be set to the payload length.
400 */
401 if ((bind_sap == DLS_SAP_LLC) && (payload != NULL))
402 sap = msgdsize(payload);
403 ehp->ether_type = htons(sap);
404
405 mp->b_wptr += sizeof (struct ether_header);
406 return (mp);
407 }
408
409 /* ARGSUSED */
410 int
411 mac_ether_header_info(mblk_t *mp, void *mac_pdata, mac_header_info_t *hdr_info)
412 {
413 struct ether_header *ehp;
414 uint16_t ether_type;
415
416 if (MBLKL(mp) < sizeof (struct ether_header))
417 return (EINVAL);
418
419 ehp = (void *)mp->b_rptr;
420 ether_type = ntohs(ehp->ether_type);
421
422 hdr_info->mhi_hdrsize = sizeof (struct ether_header);
423 hdr_info->mhi_daddr = (const uint8_t *)&(ehp->ether_dhost);
424 hdr_info->mhi_saddr = (const uint8_t *)&(ehp->ether_shost);
425 hdr_info->mhi_origsap = ether_type;
426 hdr_info->mhi_bindsap = (ether_type > ETHERMTU) ?
427 ether_type : DLS_SAP_LLC;
428 hdr_info->mhi_pktsize = (hdr_info->mhi_bindsap == DLS_SAP_LLC) ?
429 hdr_info->mhi_hdrsize + ether_type : 0;
430
431 if (mac_ether_unicst_verify(hdr_info->mhi_daddr, NULL) == 0)
432 hdr_info->mhi_dsttype = MAC_ADDRTYPE_UNICAST;
433 else if (mac_ether_multicst_verify(hdr_info->mhi_daddr, NULL) == 0)
434 hdr_info->mhi_dsttype = MAC_ADDRTYPE_MULTICAST;
435 else
436 hdr_info->mhi_dsttype = MAC_ADDRTYPE_BROADCAST;
437
438 return (0);
439 }
440
441 /*ARGSUSED3*/
442 void
443 mac_ether_link_details(char *buf, size_t sz, mac_handle_t mh, void *mac_pdata)
444 {
445 link_duplex_t duplex;
446 uint64_t speed;
447
448 duplex = mac_stat_get(mh, ETHER_STAT_LINK_DUPLEX);
449 speed = mac_stat_get(mh, MAC_STAT_IFSPEED);
450
451 /* convert to Mbps */
452 speed /= 1000000;
453
454 buf[0] = 0;
455 (void) snprintf(buf, sz, "%u Mbps, %s duplex", (uint32_t)speed,
456 duplex == LINK_DUPLEX_FULL ? "full" :
457 duplex == LINK_DUPLEX_HALF ? "half" : "unknown");
458 }
459
460 static mactype_ops_t mac_ether_type_ops = {
461 MTOPS_LINK_DETAILS,
462 mac_ether_unicst_verify,
463 mac_ether_multicst_verify,
464 mac_ether_sap_verify,
465 mac_ether_header,
466 mac_ether_header_info,
467 NULL, /* pdata_verify */
468 NULL, /* header_cook */
469 NULL, /* header_uncook */
470 mac_ether_link_details
471 };