xref: /freebsd/sys/dev/sfxge/common/efx_mac.c (revision 56e53cb8ef000c3ef72337a4095987a932cdedef)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2007-2016 Solarflare Communications Inc.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright notice,
11  *    this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright notice,
13  *    this list of conditions and the following disclaimer in the documentation
14  *    and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
18  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
20  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
21  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
22  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
23  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
24  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
25  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
26  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  *
28  * The views and conclusions contained in the software and documentation are
29  * those of the authors and should not be interpreted as representing official
30  * policies, either expressed or implied, of the FreeBSD Project.
31  */
32 
33 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD$");
35 
36 #include "efx.h"
37 #include "efx_impl.h"
38 
39 #if EFSYS_OPT_SIENA
40 
41 static	__checkReturn	efx_rc_t
42 siena_mac_multicast_list_set(
43 	__in		efx_nic_t *enp);
44 
45 #endif /* EFSYS_OPT_SIENA */
46 
47 #if EFSYS_OPT_SIENA
48 static const efx_mac_ops_t	__efx_siena_mac_ops = {
49 	siena_mac_poll,				/* emo_poll */
50 	siena_mac_up,				/* emo_up */
51 	siena_mac_reconfigure,			/* emo_addr_set */
52 	siena_mac_reconfigure,			/* emo_pdu_set */
53 	siena_mac_pdu_get,			/* emo_pdu_get */
54 	siena_mac_reconfigure,			/* emo_reconfigure */
55 	siena_mac_multicast_list_set,		/* emo_multicast_list_set */
56 	NULL,					/* emo_filter_set_default_rxq */
57 	NULL,				/* emo_filter_default_rxq_clear */
58 #if EFSYS_OPT_LOOPBACK
59 	siena_mac_loopback_set,			/* emo_loopback_set */
60 #endif	/* EFSYS_OPT_LOOPBACK */
61 #if EFSYS_OPT_MAC_STATS
62 	siena_mac_stats_get_mask,		/* emo_stats_get_mask */
63 	efx_mcdi_mac_stats_upload,		/* emo_stats_upload */
64 	efx_mcdi_mac_stats_periodic,		/* emo_stats_periodic */
65 	siena_mac_stats_update			/* emo_stats_update */
66 #endif	/* EFSYS_OPT_MAC_STATS */
67 };
68 #endif	/* EFSYS_OPT_SIENA */
69 
70 #if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD
71 static const efx_mac_ops_t	__efx_ef10_mac_ops = {
72 	ef10_mac_poll,				/* emo_poll */
73 	ef10_mac_up,				/* emo_up */
74 	ef10_mac_addr_set,			/* emo_addr_set */
75 	ef10_mac_pdu_set,			/* emo_pdu_set */
76 	ef10_mac_pdu_get,			/* emo_pdu_get */
77 	ef10_mac_reconfigure,			/* emo_reconfigure */
78 	ef10_mac_multicast_list_set,		/* emo_multicast_list_set */
79 	ef10_mac_filter_default_rxq_set,	/* emo_filter_default_rxq_set */
80 	ef10_mac_filter_default_rxq_clear,
81 					/* emo_filter_default_rxq_clear */
82 #if EFSYS_OPT_LOOPBACK
83 	ef10_mac_loopback_set,			/* emo_loopback_set */
84 #endif	/* EFSYS_OPT_LOOPBACK */
85 #if EFSYS_OPT_MAC_STATS
86 	ef10_mac_stats_get_mask,		/* emo_stats_get_mask */
87 	efx_mcdi_mac_stats_upload,		/* emo_stats_upload */
88 	efx_mcdi_mac_stats_periodic,		/* emo_stats_periodic */
89 	ef10_mac_stats_update			/* emo_stats_update */
90 #endif	/* EFSYS_OPT_MAC_STATS */
91 };
92 #endif	/* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD */
93 
94 	__checkReturn			efx_rc_t
95 efx_mac_pdu_set(
96 	__in				efx_nic_t *enp,
97 	__in				size_t pdu)
98 {
99 	efx_port_t *epp = &(enp->en_port);
100 	const efx_mac_ops_t *emop = epp->ep_emop;
101 	uint32_t old_pdu;
102 	efx_rc_t rc;
103 
104 	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
105 	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
106 	EFSYS_ASSERT(emop != NULL);
107 
108 	if (pdu < EFX_MAC_PDU_MIN) {
109 		rc = EINVAL;
110 		goto fail1;
111 	}
112 
113 	if (pdu > EFX_MAC_PDU_MAX) {
114 		rc = EINVAL;
115 		goto fail2;
116 	}
117 
118 	old_pdu = epp->ep_mac_pdu;
119 	epp->ep_mac_pdu = (uint32_t)pdu;
120 	if ((rc = emop->emo_pdu_set(enp)) != 0)
121 		goto fail3;
122 
123 	return (0);
124 
125 fail3:
126 	EFSYS_PROBE(fail3);
127 
128 	epp->ep_mac_pdu = old_pdu;
129 
130 fail2:
131 	EFSYS_PROBE(fail2);
132 fail1:
133 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
134 
135 	return (rc);
136 }
137 
138 	__checkReturn	efx_rc_t
139 efx_mac_pdu_get(
140 	__in		efx_nic_t *enp,
141 	__out		size_t *pdu)
142 {
143 	efx_port_t *epp = &(enp->en_port);
144 	const efx_mac_ops_t *emop = epp->ep_emop;
145 	efx_rc_t rc;
146 
147 	if ((rc = emop->emo_pdu_get(enp, pdu)) != 0)
148 		goto fail1;
149 
150 	return (0);
151 
152 fail1:
153 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
154 
155 	return (rc);
156 }
157 
158 	__checkReturn			efx_rc_t
159 efx_mac_addr_set(
160 	__in				efx_nic_t *enp,
161 	__in				uint8_t *addr)
162 {
163 	efx_port_t *epp = &(enp->en_port);
164 	const efx_mac_ops_t *emop = epp->ep_emop;
165 	uint8_t old_addr[6];
166 	uint32_t oui;
167 	efx_rc_t rc;
168 
169 	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
170 	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
171 
172 	if (EFX_MAC_ADDR_IS_MULTICAST(addr)) {
173 		rc = EINVAL;
174 		goto fail1;
175 	}
176 
177 	oui = addr[0] << 16 | addr[1] << 8 | addr[2];
178 	if (oui == 0x000000) {
179 		rc = EINVAL;
180 		goto fail2;
181 	}
182 
183 	EFX_MAC_ADDR_COPY(old_addr, epp->ep_mac_addr);
184 	EFX_MAC_ADDR_COPY(epp->ep_mac_addr, addr);
185 	if ((rc = emop->emo_addr_set(enp)) != 0)
186 		goto fail3;
187 
188 	return (0);
189 
190 fail3:
191 	EFSYS_PROBE(fail3);
192 
193 	EFX_MAC_ADDR_COPY(epp->ep_mac_addr, old_addr);
194 
195 fail2:
196 	EFSYS_PROBE(fail2);
197 fail1:
198 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
199 
200 	return (rc);
201 }
202 
203 	__checkReturn			efx_rc_t
204 efx_mac_filter_set(
205 	__in				efx_nic_t *enp,
206 	__in				boolean_t all_unicst,
207 	__in				boolean_t mulcst,
208 	__in				boolean_t all_mulcst,
209 	__in				boolean_t brdcst)
210 {
211 	efx_port_t *epp = &(enp->en_port);
212 	const efx_mac_ops_t *emop = epp->ep_emop;
213 	boolean_t old_all_unicst;
214 	boolean_t old_mulcst;
215 	boolean_t old_all_mulcst;
216 	boolean_t old_brdcst;
217 	efx_rc_t rc;
218 
219 	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
220 	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
221 
222 	old_all_unicst = epp->ep_all_unicst;
223 	old_mulcst = epp->ep_mulcst;
224 	old_all_mulcst = epp->ep_all_mulcst;
225 	old_brdcst = epp->ep_brdcst;
226 
227 	epp->ep_all_unicst = all_unicst;
228 	epp->ep_mulcst = mulcst;
229 	epp->ep_all_mulcst = all_mulcst;
230 	epp->ep_brdcst = brdcst;
231 
232 	if ((rc = emop->emo_reconfigure(enp)) != 0)
233 		goto fail1;
234 
235 	return (0);
236 
237 fail1:
238 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
239 
240 	epp->ep_all_unicst = old_all_unicst;
241 	epp->ep_mulcst = old_mulcst;
242 	epp->ep_all_mulcst = old_all_mulcst;
243 	epp->ep_brdcst = old_brdcst;
244 
245 	return (rc);
246 }
247 
248 	__checkReturn			efx_rc_t
249 efx_mac_drain(
250 	__in				efx_nic_t *enp,
251 	__in				boolean_t enabled)
252 {
253 	efx_port_t *epp = &(enp->en_port);
254 	const efx_mac_ops_t *emop = epp->ep_emop;
255 	efx_rc_t rc;
256 
257 	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
258 	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
259 	EFSYS_ASSERT(emop != NULL);
260 
261 	if (epp->ep_mac_drain == enabled)
262 		return (0);
263 
264 	epp->ep_mac_drain = enabled;
265 
266 	if ((rc = emop->emo_reconfigure(enp)) != 0)
267 		goto fail1;
268 
269 	return (0);
270 
271 fail1:
272 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
273 
274 	return (rc);
275 }
276 
277 	__checkReturn	efx_rc_t
278 efx_mac_up(
279 	__in		efx_nic_t *enp,
280 	__out		boolean_t *mac_upp)
281 {
282 	efx_port_t *epp = &(enp->en_port);
283 	const efx_mac_ops_t *emop = epp->ep_emop;
284 	efx_rc_t rc;
285 
286 	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
287 	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
288 
289 	if ((rc = emop->emo_up(enp, mac_upp)) != 0)
290 		goto fail1;
291 
292 	return (0);
293 
294 fail1:
295 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
296 
297 	return (rc);
298 }
299 
300 	__checkReturn			efx_rc_t
301 efx_mac_fcntl_set(
302 	__in				efx_nic_t *enp,
303 	__in				unsigned int fcntl,
304 	__in				boolean_t autoneg)
305 {
306 	efx_port_t *epp = &(enp->en_port);
307 	const efx_mac_ops_t *emop = epp->ep_emop;
308 	const efx_phy_ops_t *epop = epp->ep_epop;
309 	unsigned int old_fcntl;
310 	boolean_t old_autoneg;
311 	unsigned int old_adv_cap;
312 	efx_rc_t rc;
313 
314 	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
315 	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
316 
317 	if ((fcntl & ~(EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE)) != 0) {
318 		rc = EINVAL;
319 		goto fail1;
320 	}
321 
322 	/*
323 	 * Ignore a request to set flow control auto-negotiation
324 	 * if the PHY doesn't support it.
325 	 */
326 	if (~epp->ep_phy_cap_mask & (1 << EFX_PHY_CAP_AN))
327 		autoneg = B_FALSE;
328 
329 	old_fcntl = epp->ep_fcntl;
330 	old_autoneg = epp->ep_fcntl_autoneg;
331 	old_adv_cap = epp->ep_adv_cap_mask;
332 
333 	epp->ep_fcntl = fcntl;
334 	epp->ep_fcntl_autoneg = autoneg;
335 
336 	/*
337 	 * Always encode the flow control settings in the advertised
338 	 * capabilities even if we are not trying to auto-negotiate
339 	 * them and reconfigure both the PHY and the MAC.
340 	 */
341 	if (fcntl & EFX_FCNTL_RESPOND)
342 		epp->ep_adv_cap_mask |=    (1 << EFX_PHY_CAP_PAUSE |
343 					    1 << EFX_PHY_CAP_ASYM);
344 	else
345 		epp->ep_adv_cap_mask &=   ~(1 << EFX_PHY_CAP_PAUSE |
346 					    1 << EFX_PHY_CAP_ASYM);
347 
348 	if (fcntl & EFX_FCNTL_GENERATE)
349 		epp->ep_adv_cap_mask ^= (1 << EFX_PHY_CAP_ASYM);
350 
351 	if ((rc = epop->epo_reconfigure(enp)) != 0)
352 		goto fail2;
353 
354 	if ((rc = emop->emo_reconfigure(enp)) != 0)
355 		goto fail3;
356 
357 	return (0);
358 
359 fail3:
360 	EFSYS_PROBE(fail3);
361 
362 fail2:
363 	EFSYS_PROBE(fail2);
364 
365 	epp->ep_fcntl = old_fcntl;
366 	epp->ep_fcntl_autoneg = old_autoneg;
367 	epp->ep_adv_cap_mask = old_adv_cap;
368 
369 fail1:
370 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
371 
372 	return (rc);
373 }
374 
375 			void
376 efx_mac_fcntl_get(
377 	__in		efx_nic_t *enp,
378 	__out		unsigned int *fcntl_wantedp,
379 	__out		unsigned int *fcntl_linkp)
380 {
381 	efx_port_t *epp = &(enp->en_port);
382 	unsigned int wanted = 0;
383 
384 	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
385 	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
386 
387 	/*
388 	 * Decode the requested flow control settings from the PHY
389 	 * advertised capabilities.
390 	 */
391 	if (epp->ep_adv_cap_mask & (1 << EFX_PHY_CAP_PAUSE))
392 		wanted = EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE;
393 	if (epp->ep_adv_cap_mask & (1 << EFX_PHY_CAP_ASYM))
394 		wanted ^= EFX_FCNTL_GENERATE;
395 
396 	*fcntl_linkp = epp->ep_fcntl;
397 	*fcntl_wantedp = wanted;
398 }
399 
400 	__checkReturn	efx_rc_t
401 efx_mac_multicast_list_set(
402 	__in				efx_nic_t *enp,
403 	__in_ecount(6*count)		uint8_t const *addrs,
404 	__in				int count)
405 {
406 	efx_port_t *epp = &(enp->en_port);
407 	const efx_mac_ops_t *emop = epp->ep_emop;
408 	uint8_t	*old_mulcst_addr_list = NULL;
409 	uint32_t old_mulcst_addr_count;
410 	efx_rc_t rc;
411 
412 	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
413 	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
414 
415 	if (count > EFX_MAC_MULTICAST_LIST_MAX) {
416 		rc = EINVAL;
417 		goto fail1;
418 	}
419 
420 	old_mulcst_addr_count = epp->ep_mulcst_addr_count;
421 	if (old_mulcst_addr_count > 0) {
422 		/* Allocate memory to store old list (instead of using stack) */
423 		EFSYS_KMEM_ALLOC(enp->en_esip,
424 				old_mulcst_addr_count * EFX_MAC_ADDR_LEN,
425 				old_mulcst_addr_list);
426 		if (old_mulcst_addr_list == NULL) {
427 			rc = ENOMEM;
428 			goto fail2;
429 		}
430 
431 		/* Save the old list in case we need to rollback */
432 		memcpy(old_mulcst_addr_list, epp->ep_mulcst_addr_list,
433 			old_mulcst_addr_count * EFX_MAC_ADDR_LEN);
434 	}
435 
436 	/* Store the new list */
437 	memcpy(epp->ep_mulcst_addr_list, addrs,
438 		count * EFX_MAC_ADDR_LEN);
439 	epp->ep_mulcst_addr_count = count;
440 
441 	if ((rc = emop->emo_multicast_list_set(enp)) != 0)
442 		goto fail3;
443 
444 	if (old_mulcst_addr_count > 0) {
445 		EFSYS_KMEM_FREE(enp->en_esip,
446 				old_mulcst_addr_count * EFX_MAC_ADDR_LEN,
447 				old_mulcst_addr_list);
448 	}
449 
450 	return (0);
451 
452 fail3:
453 	EFSYS_PROBE(fail3);
454 
455 	/* Restore original list on failure */
456 	epp->ep_mulcst_addr_count = old_mulcst_addr_count;
457 	if (old_mulcst_addr_count > 0) {
458 		memcpy(epp->ep_mulcst_addr_list, old_mulcst_addr_list,
459 			old_mulcst_addr_count * EFX_MAC_ADDR_LEN);
460 
461 		EFSYS_KMEM_FREE(enp->en_esip,
462 				old_mulcst_addr_count * EFX_MAC_ADDR_LEN,
463 				old_mulcst_addr_list);
464 	}
465 
466 fail2:
467 	EFSYS_PROBE(fail2);
468 
469 fail1:
470 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
471 
472 	return (rc);
473 
474 }
475 
476 	__checkReturn	efx_rc_t
477 efx_mac_filter_default_rxq_set(
478 	__in		efx_nic_t *enp,
479 	__in		efx_rxq_t *erp,
480 	__in		boolean_t using_rss)
481 {
482 	efx_port_t *epp = &(enp->en_port);
483 	const efx_mac_ops_t *emop = epp->ep_emop;
484 	efx_rc_t rc;
485 
486 	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
487 	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
488 
489 	if (emop->emo_filter_default_rxq_set != NULL) {
490 		rc = emop->emo_filter_default_rxq_set(enp, erp, using_rss);
491 		if (rc != 0)
492 			goto fail1;
493 	}
494 
495 	return (0);
496 
497 fail1:
498 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
499 
500 	return (rc);
501 }
502 
503 			void
504 efx_mac_filter_default_rxq_clear(
505 	__in		efx_nic_t *enp)
506 {
507 	efx_port_t *epp = &(enp->en_port);
508 	const efx_mac_ops_t *emop = epp->ep_emop;
509 
510 	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
511 	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
512 
513 	if (emop->emo_filter_default_rxq_clear != NULL)
514 		emop->emo_filter_default_rxq_clear(enp);
515 }
516 
517 
518 #if EFSYS_OPT_MAC_STATS
519 
520 #if EFSYS_OPT_NAMES
521 
522 /* START MKCONFIG GENERATED EfxMacStatNamesBlock c11b91b42f922516 */
523 static const char * const __efx_mac_stat_name[] = {
524 	"rx_octets",
525 	"rx_pkts",
526 	"rx_unicst_pkts",
527 	"rx_multicst_pkts",
528 	"rx_brdcst_pkts",
529 	"rx_pause_pkts",
530 	"rx_le_64_pkts",
531 	"rx_65_to_127_pkts",
532 	"rx_128_to_255_pkts",
533 	"rx_256_to_511_pkts",
534 	"rx_512_to_1023_pkts",
535 	"rx_1024_to_15xx_pkts",
536 	"rx_ge_15xx_pkts",
537 	"rx_errors",
538 	"rx_fcs_errors",
539 	"rx_drop_events",
540 	"rx_false_carrier_errors",
541 	"rx_symbol_errors",
542 	"rx_align_errors",
543 	"rx_internal_errors",
544 	"rx_jabber_pkts",
545 	"rx_lane0_char_err",
546 	"rx_lane1_char_err",
547 	"rx_lane2_char_err",
548 	"rx_lane3_char_err",
549 	"rx_lane0_disp_err",
550 	"rx_lane1_disp_err",
551 	"rx_lane2_disp_err",
552 	"rx_lane3_disp_err",
553 	"rx_match_fault",
554 	"rx_nodesc_drop_cnt",
555 	"tx_octets",
556 	"tx_pkts",
557 	"tx_unicst_pkts",
558 	"tx_multicst_pkts",
559 	"tx_brdcst_pkts",
560 	"tx_pause_pkts",
561 	"tx_le_64_pkts",
562 	"tx_65_to_127_pkts",
563 	"tx_128_to_255_pkts",
564 	"tx_256_to_511_pkts",
565 	"tx_512_to_1023_pkts",
566 	"tx_1024_to_15xx_pkts",
567 	"tx_ge_15xx_pkts",
568 	"tx_errors",
569 	"tx_sgl_col_pkts",
570 	"tx_mult_col_pkts",
571 	"tx_ex_col_pkts",
572 	"tx_late_col_pkts",
573 	"tx_def_pkts",
574 	"tx_ex_def_pkts",
575 	"pm_trunc_bb_overflow",
576 	"pm_discard_bb_overflow",
577 	"pm_trunc_vfifo_full",
578 	"pm_discard_vfifo_full",
579 	"pm_trunc_qbb",
580 	"pm_discard_qbb",
581 	"pm_discard_mapping",
582 	"rxdp_q_disabled_pkts",
583 	"rxdp_di_dropped_pkts",
584 	"rxdp_streaming_pkts",
585 	"rxdp_hlb_fetch",
586 	"rxdp_hlb_wait",
587 	"vadapter_rx_unicast_packets",
588 	"vadapter_rx_unicast_bytes",
589 	"vadapter_rx_multicast_packets",
590 	"vadapter_rx_multicast_bytes",
591 	"vadapter_rx_broadcast_packets",
592 	"vadapter_rx_broadcast_bytes",
593 	"vadapter_rx_bad_packets",
594 	"vadapter_rx_bad_bytes",
595 	"vadapter_rx_overflow",
596 	"vadapter_tx_unicast_packets",
597 	"vadapter_tx_unicast_bytes",
598 	"vadapter_tx_multicast_packets",
599 	"vadapter_tx_multicast_bytes",
600 	"vadapter_tx_broadcast_packets",
601 	"vadapter_tx_broadcast_bytes",
602 	"vadapter_tx_bad_packets",
603 	"vadapter_tx_bad_bytes",
604 	"vadapter_tx_overflow",
605 };
606 /* END MKCONFIG GENERATED EfxMacStatNamesBlock */
607 
608 	__checkReturn			const char *
609 efx_mac_stat_name(
610 	__in				efx_nic_t *enp,
611 	__in				unsigned int id)
612 {
613 	_NOTE(ARGUNUSED(enp))
614 	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
615 
616 	EFSYS_ASSERT3U(id, <, EFX_MAC_NSTATS);
617 	return (__efx_mac_stat_name[id]);
618 }
619 
620 #endif	/* EFSYS_OPT_NAMES */
621 
622 static					efx_rc_t
623 efx_mac_stats_mask_add_range(
624 	__inout_bcount(mask_size)	uint32_t *maskp,
625 	__in				size_t mask_size,
626 	__in				const struct efx_mac_stats_range *rngp)
627 {
628 	unsigned int mask_npages = mask_size / sizeof (*maskp);
629 	unsigned int el;
630 	unsigned int el_min;
631 	unsigned int el_max;
632 	unsigned int low;
633 	unsigned int high;
634 	unsigned int width;
635 	efx_rc_t rc;
636 
637 	if ((mask_npages * EFX_MAC_STATS_MASK_BITS_PER_PAGE) <=
638 	    (unsigned int)rngp->last) {
639 		rc = EINVAL;
640 		goto fail1;
641 	}
642 
643 	EFSYS_ASSERT3U(rngp->first, <=, rngp->last);
644 	EFSYS_ASSERT3U(rngp->last, <, EFX_MAC_NSTATS);
645 
646 	for (el = 0; el < mask_npages; ++el) {
647 		el_min = el * EFX_MAC_STATS_MASK_BITS_PER_PAGE;
648 		el_max =
649 		    el_min + (EFX_MAC_STATS_MASK_BITS_PER_PAGE - 1);
650 		if ((unsigned int)rngp->first > el_max ||
651 		    (unsigned int)rngp->last < el_min)
652 			continue;
653 		low = MAX((unsigned int)rngp->first, el_min);
654 		high = MIN((unsigned int)rngp->last, el_max);
655 		width = high - low + 1;
656 		maskp[el] |=
657 		    (width == EFX_MAC_STATS_MASK_BITS_PER_PAGE) ?
658 		    (~0ULL) : (((1ULL << width) - 1) << (low - el_min));
659 	}
660 
661 	return (0);
662 
663 fail1:
664 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
665 
666 	return (rc);
667 }
668 
669 					efx_rc_t
670 efx_mac_stats_mask_add_ranges(
671 	__inout_bcount(mask_size)	uint32_t *maskp,
672 	__in				size_t mask_size,
673 	__in_ecount(rng_count)		const struct efx_mac_stats_range *rngp,
674 	__in				unsigned int rng_count)
675 {
676 	unsigned int i;
677 	efx_rc_t rc;
678 
679 	for (i = 0; i < rng_count; ++i) {
680 		if ((rc = efx_mac_stats_mask_add_range(maskp, mask_size,
681 		    &rngp[i])) != 0)
682 			goto fail1;
683 	}
684 
685 	return (0);
686 
687 fail1:
688 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
689 
690 	return (rc);
691 }
692 
693 	__checkReturn			efx_rc_t
694 efx_mac_stats_get_mask(
695 	__in				efx_nic_t *enp,
696 	__out_bcount(mask_size)		uint32_t *maskp,
697 	__in				size_t mask_size)
698 {
699 	efx_port_t *epp = &(enp->en_port);
700 	const efx_mac_ops_t *emop = epp->ep_emop;
701 	efx_rc_t rc;
702 
703 	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
704 	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PROBE);
705 	EFSYS_ASSERT(maskp != NULL);
706 	EFSYS_ASSERT(mask_size % sizeof (maskp[0]) == 0);
707 
708 	(void) memset(maskp, 0, mask_size);
709 
710 	if ((rc = emop->emo_stats_get_mask(enp, maskp, mask_size)) != 0)
711 		goto fail1;
712 
713 	return (0);
714 
715 fail1:
716 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
717 
718 	return (rc);
719 }
720 
721 	__checkReturn			efx_rc_t
722 efx_mac_stats_upload(
723 	__in				efx_nic_t *enp,
724 	__in				efsys_mem_t *esmp)
725 {
726 	efx_port_t *epp = &(enp->en_port);
727 	const efx_mac_ops_t *emop = epp->ep_emop;
728 	efx_rc_t rc;
729 
730 	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
731 	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
732 	EFSYS_ASSERT(emop != NULL);
733 
734 	/*
735 	 * Don't assert !ep_mac_stats_pending, because the client might
736 	 * have failed to finalise statistics when previously stopping
737 	 * the port.
738 	 */
739 	if ((rc = emop->emo_stats_upload(enp, esmp)) != 0)
740 		goto fail1;
741 
742 	epp->ep_mac_stats_pending = B_TRUE;
743 
744 	return (0);
745 
746 fail1:
747 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
748 
749 	return (rc);
750 }
751 
752 	__checkReturn			efx_rc_t
753 efx_mac_stats_periodic(
754 	__in				efx_nic_t *enp,
755 	__in				efsys_mem_t *esmp,
756 	__in				uint16_t period_ms,
757 	__in				boolean_t events)
758 {
759 	efx_port_t *epp = &(enp->en_port);
760 	const efx_mac_ops_t *emop = epp->ep_emop;
761 	efx_rc_t rc;
762 
763 	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
764 	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
765 
766 	EFSYS_ASSERT(emop != NULL);
767 
768 	if (emop->emo_stats_periodic == NULL) {
769 		rc = EINVAL;
770 		goto fail1;
771 	}
772 
773 	if ((rc = emop->emo_stats_periodic(enp, esmp, period_ms, events)) != 0)
774 		goto fail2;
775 
776 	return (0);
777 
778 fail2:
779 	EFSYS_PROBE(fail2);
780 fail1:
781 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
782 
783 	return (rc);
784 }
785 
786 
787 	__checkReturn			efx_rc_t
788 efx_mac_stats_update(
789 	__in				efx_nic_t *enp,
790 	__in				efsys_mem_t *esmp,
791 	__inout_ecount(EFX_MAC_NSTATS)	efsys_stat_t *essp,
792 	__inout_opt			uint32_t *generationp)
793 {
794 	efx_port_t *epp = &(enp->en_port);
795 	const efx_mac_ops_t *emop = epp->ep_emop;
796 	efx_rc_t rc;
797 
798 	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
799 	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
800 	EFSYS_ASSERT(emop != NULL);
801 
802 	rc = emop->emo_stats_update(enp, esmp, essp, generationp);
803 	if (rc == 0)
804 		epp->ep_mac_stats_pending = B_FALSE;
805 
806 	return (rc);
807 }
808 
809 #endif	/* EFSYS_OPT_MAC_STATS */
810 
811 	__checkReturn			efx_rc_t
812 efx_mac_select(
813 	__in				efx_nic_t *enp)
814 {
815 	efx_port_t *epp = &(enp->en_port);
816 	efx_mac_type_t type = EFX_MAC_INVALID;
817 	const efx_mac_ops_t *emop;
818 	int rc = EINVAL;
819 
820 	switch (enp->en_family) {
821 #if EFSYS_OPT_SIENA
822 	case EFX_FAMILY_SIENA:
823 		emop = &__efx_siena_mac_ops;
824 		type = EFX_MAC_SIENA;
825 		break;
826 #endif /* EFSYS_OPT_SIENA */
827 
828 #if EFSYS_OPT_HUNTINGTON
829 	case EFX_FAMILY_HUNTINGTON:
830 		emop = &__efx_ef10_mac_ops;
831 		type = EFX_MAC_HUNTINGTON;
832 		break;
833 #endif /* EFSYS_OPT_HUNTINGTON */
834 
835 #if EFSYS_OPT_MEDFORD
836 	case EFX_FAMILY_MEDFORD:
837 		emop = &__efx_ef10_mac_ops;
838 		type = EFX_MAC_MEDFORD;
839 		break;
840 #endif /* EFSYS_OPT_MEDFORD */
841 
842 	default:
843 		rc = EINVAL;
844 		goto fail1;
845 	}
846 
847 	EFSYS_ASSERT(type != EFX_MAC_INVALID);
848 	EFSYS_ASSERT3U(type, <, EFX_MAC_NTYPES);
849 	EFSYS_ASSERT(emop != NULL);
850 
851 	epp->ep_emop = emop;
852 	epp->ep_mac_type = type;
853 
854 	return (0);
855 
856 fail1:
857 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
858 
859 	return (rc);
860 }
861 
862 
863 #if EFSYS_OPT_SIENA
864 
865 #define	EFX_MAC_HASH_BITS	(1 << 8)
866 
867 /* Compute the multicast hash as used on Falcon and Siena. */
868 static	void
869 siena_mac_multicast_hash_compute(
870 	__in_ecount(6*count)		uint8_t const *addrs,
871 	__in				int count,
872 	__out				efx_oword_t *hash_low,
873 	__out				efx_oword_t *hash_high)
874 {
875 	uint32_t crc, index;
876 	int i;
877 
878 	EFSYS_ASSERT(hash_low != NULL);
879 	EFSYS_ASSERT(hash_high != NULL);
880 
881 	EFX_ZERO_OWORD(*hash_low);
882 	EFX_ZERO_OWORD(*hash_high);
883 
884 	for (i = 0; i < count; i++) {
885 		/* Calculate hash bucket (IEEE 802.3 CRC32 of the MAC addr) */
886 		crc = efx_crc32_calculate(0xffffffff, addrs, EFX_MAC_ADDR_LEN);
887 		index = crc % EFX_MAC_HASH_BITS;
888 		if (index < 128) {
889 			EFX_SET_OWORD_BIT(*hash_low, index);
890 		} else {
891 			EFX_SET_OWORD_BIT(*hash_high, index - 128);
892 		}
893 
894 		addrs += EFX_MAC_ADDR_LEN;
895 	}
896 }
897 
898 static	__checkReturn	efx_rc_t
899 siena_mac_multicast_list_set(
900 	__in		efx_nic_t *enp)
901 {
902 	efx_port_t *epp = &(enp->en_port);
903 	const efx_mac_ops_t *emop = epp->ep_emop;
904 	efx_oword_t old_hash[2];
905 	efx_rc_t rc;
906 
907 	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
908 	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
909 
910 	memcpy(old_hash, epp->ep_multicst_hash, sizeof (old_hash));
911 
912 	siena_mac_multicast_hash_compute(
913 	    epp->ep_mulcst_addr_list,
914 	    epp->ep_mulcst_addr_count,
915 	    &epp->ep_multicst_hash[0],
916 	    &epp->ep_multicst_hash[1]);
917 
918 	if ((rc = emop->emo_reconfigure(enp)) != 0)
919 		goto fail1;
920 
921 	return (0);
922 
923 fail1:
924 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
925 
926 	memcpy(epp->ep_multicst_hash, old_hash, sizeof (old_hash));
927 
928 	return (rc);
929 }
930 
931 #endif /* EFSYS_OPT_SIENA */
932