xref: /freebsd/sys/dev/sfxge/common/ef10_mac.c (revision 8ef24a0d4b28fe230e20637f56869cc4148cd2ca) 
1 /*-
2  * Copyright (c) 2012-2015 Solarflare Communications Inc.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are met:
7  *
8  * 1. Redistributions of source code must retain the above copyright notice,
9  *    this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright notice,
11  *    this list of conditions and the following disclaimer in the documentation
12  *    and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
15  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
16  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
18  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
21  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
22  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
23  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
24  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  *
26  * The views and conclusions contained in the software and documentation are
27  * those of the authors and should not be interpreted as representing official
28  * policies, either expressed or implied, of the FreeBSD Project.
29  */
30 
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
33 
34 #include "efx.h"
35 #include "efx_impl.h"
36 
37 
38 #if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD
39 
40 	__checkReturn	efx_rc_t
41 ef10_mac_poll(
42 	__in		efx_nic_t *enp,
43 	__out		efx_link_mode_t *link_modep)
44 {
45 	efx_port_t *epp = &(enp->en_port);
46 	ef10_link_state_t els;
47 	efx_rc_t rc;
48 
49 	if ((rc = ef10_phy_get_link(enp, &els)) != 0)
50 		goto fail1;
51 
52 	epp->ep_adv_cap_mask = els.els_adv_cap_mask;
53 	epp->ep_fcntl = els.els_fcntl;
54 
55 	*link_modep = els.els_link_mode;
56 
57 	return (0);
58 
59 fail1:
60 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
61 
62 	*link_modep = EFX_LINK_UNKNOWN;
63 
64 	return (rc);
65 }
66 
67 	__checkReturn	efx_rc_t
68 ef10_mac_up(
69 	__in		efx_nic_t *enp,
70 	__out		boolean_t *mac_upp)
71 {
72 	ef10_link_state_t els;
73 	efx_rc_t rc;
74 
75 	/*
76 	 * Because EF10 doesn't *require* polling, we can't rely on
77 	 * ef10_mac_poll() being executed to populate epp->ep_mac_up.
78 	 */
79 	if ((rc = ef10_phy_get_link(enp, &els)) != 0)
80 		goto fail1;
81 
82 	*mac_upp = els.els_mac_up;
83 
84 	return (0);
85 
86 fail1:
87 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
88 
89 	return (rc);
90 }
91 
92 /*
93  * EF10 adapters use MC_CMD_VADAPTOR_SET_MAC to set the
94  * MAC address; the address field in MC_CMD_SET_MAC has no
95  * effect.
96  * MC_CMD_VADAPTOR_SET_MAC requires mac-spoofing privilege and
97  * the port to have no filters or queues active.
98  */
99 static	__checkReturn	efx_rc_t
100 efx_mcdi_vadapter_set_mac(
101 	__in		efx_nic_t *enp)
102 {
103 	efx_port_t *epp = &(enp->en_port);
104 	efx_mcdi_req_t req;
105 	uint8_t payload[MAX(MC_CMD_VADAPTOR_SET_MAC_IN_LEN,
106 			    MC_CMD_VADAPTOR_SET_MAC_OUT_LEN)];
107 	efx_rc_t rc;
108 
109 	(void) memset(payload, 0, sizeof (payload));
110 	req.emr_cmd = MC_CMD_VADAPTOR_SET_MAC;
111 	req.emr_in_buf = payload;
112 	req.emr_in_length = MC_CMD_VADAPTOR_SET_MAC_IN_LEN;
113 	req.emr_out_buf = payload;
114 	req.emr_out_length = MC_CMD_VADAPTOR_SET_MAC_OUT_LEN;
115 
116 	MCDI_IN_SET_DWORD(req, VADAPTOR_SET_MAC_IN_UPSTREAM_PORT_ID,
117 	    enp->en_vport_id);
118 	EFX_MAC_ADDR_COPY(MCDI_IN2(req, uint8_t, VADAPTOR_SET_MAC_IN_MACADDR),
119 	    epp->ep_mac_addr);
120 
121 	efx_mcdi_execute(enp, &req);
122 
123 	if (req.emr_rc != 0) {
124 		rc = req.emr_rc;
125 		goto fail1;
126 	}
127 
128 	return (0);
129 
130 fail1:
131 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
132 
133 	return (rc);
134 }
135 
136 	__checkReturn	efx_rc_t
137 ef10_mac_addr_set(
138 	__in		efx_nic_t *enp)
139 {
140 	efx_rc_t rc;
141 
142 	if ((rc = efx_mcdi_vadapter_set_mac(enp)) != 0) {
143 		if (rc != ENOTSUP)
144 			goto fail1;
145 
146 		/*
147 		 * Fallback for older Huntington firmware without Vadapter
148 		 * support.
149 		 */
150 		if ((rc = ef10_mac_reconfigure(enp)) != 0)
151 			goto fail2;
152 	}
153 
154 	return (0);
155 
156 fail2:
157 	EFSYS_PROBE(fail2);
158 
159 fail1:
160 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
161 
162 	return (rc);
163 }
164 
165 static	__checkReturn	efx_rc_t
166 efx_mcdi_mtu_set(
167 	__in		efx_nic_t *enp,
168 	__in		uint32_t mtu)
169 {
170 	efx_mcdi_req_t req;
171 	uint8_t payload[MAX(MC_CMD_SET_MAC_EXT_IN_LEN,
172 			    MC_CMD_SET_MAC_OUT_LEN)];
173 	efx_rc_t rc;
174 
175 	(void) memset(payload, 0, sizeof (payload));
176 	req.emr_cmd = MC_CMD_SET_MAC;
177 	req.emr_in_buf = payload;
178 	req.emr_in_length = MC_CMD_SET_MAC_EXT_IN_LEN;
179 	req.emr_out_buf = payload;
180 	req.emr_out_length = MC_CMD_SET_MAC_OUT_LEN;
181 
182 	/* Only configure the MTU in this call to MC_CMD_SET_MAC */
183 	MCDI_IN_SET_DWORD(req, SET_MAC_EXT_IN_MTU, mtu);
184 	MCDI_IN_POPULATE_DWORD_1(req, SET_MAC_EXT_IN_CONTROL,
185 			    SET_MAC_EXT_IN_CFG_MTU, 1);
186 
187 	efx_mcdi_execute(enp, &req);
188 
189 	if (req.emr_rc != 0) {
190 		rc = req.emr_rc;
191 		goto fail1;
192 	}
193 
194 	return (0);
195 
196 fail1:
197 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
198 
199 	return (rc);
200 }
201 
202 static	__checkReturn		efx_rc_t
203 efx_mcdi_mtu_get(
204 	__in		efx_nic_t *enp,
205 	__out		size_t *mtu)
206 {
207 	efx_mcdi_req_t req;
208 	uint8_t payload[MAX(MC_CMD_SET_MAC_EXT_IN_LEN,
209 			    MC_CMD_SET_MAC_V2_OUT_LEN)];
210 	efx_rc_t rc;
211 
212 	(void) memset(payload, 0, sizeof (payload));
213 	req.emr_cmd = MC_CMD_SET_MAC;
214 	req.emr_in_buf = payload;
215 	req.emr_in_length = MC_CMD_SET_MAC_EXT_IN_LEN;
216 	req.emr_out_buf = payload;
217 	req.emr_out_length = MC_CMD_SET_MAC_V2_OUT_LEN;
218 
219 	/*
220 	 * With MC_CMD_SET_MAC_EXT_IN_CONTROL set to 0, this just queries the
221 	 * MTU.  This should always be supported on Medford, but it is not
222 	 * supported on older Huntington firmware.
223 	 */
224 	MCDI_IN_SET_DWORD(req, SET_MAC_EXT_IN_CONTROL, 0);
225 
226 	efx_mcdi_execute(enp, &req);
227 
228 	if (req.emr_rc != 0) {
229 		rc = req.emr_rc;
230 		goto fail1;
231 	}
232 	if (req.emr_out_length_used < MC_CMD_SET_MAC_V2_OUT_MTU_OFST + 4) {
233 		rc = EMSGSIZE;
234 		goto fail2;
235 	}
236 
237 	*mtu = MCDI_OUT_DWORD(req, SET_MAC_V2_OUT_MTU);
238 
239 	return (0);
240 
241 fail2:
242 	EFSYS_PROBE(fail2);
243 fail1:
244 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
245 
246 	return (rc);
247 }
248 
249 	__checkReturn	efx_rc_t
250 ef10_mac_pdu_set(
251 	__in		efx_nic_t *enp)
252 {
253 	efx_port_t *epp = &(enp->en_port);
254 	efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
255 	efx_rc_t rc;
256 
257 	if (encp->enc_enhanced_set_mac_supported) {
258 		if ((rc = efx_mcdi_mtu_set(enp, epp->ep_mac_pdu)) != 0)
259 			goto fail1;
260 	} else {
261 		/*
262 		 * Fallback for older Huntington firmware, which always
263 		 * configure all of the parameters to MC_CMD_SET_MAC. This isn't
264 		 * suitable for setting the MTU on unpriviliged functions.
265 		 */
266 		if ((rc = ef10_mac_reconfigure(enp)) != 0)
267 			goto fail2;
268 	}
269 
270 	return (0);
271 
272 fail2:
273 	EFSYS_PROBE(fail2);
274 fail1:
275 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
276 
277 	return (rc);
278 }
279 
280 	__checkReturn		efx_rc_t
281 ef10_mac_pdu_get(
282 	__in		efx_nic_t *enp,
283 	__out		size_t *pdu)
284 {
285 	efx_rc_t rc;
286 
287 	if ((rc = efx_mcdi_mtu_get(enp, pdu)) != 0)
288 		goto fail1;
289 
290 	return (0);
291 
292 fail1:
293 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
294 
295 	return (rc);
296 }
297 
298 __checkReturn	efx_rc_t
299 ef10_mac_reconfigure(
300 	__in		efx_nic_t *enp)
301 {
302 	efx_port_t *epp = &(enp->en_port);
303 	efx_mcdi_req_t req;
304 	uint8_t payload[MAX(MC_CMD_SET_MAC_IN_LEN,
305 			    MC_CMD_SET_MAC_OUT_LEN)];
306 	efx_rc_t rc;
307 
308 	(void) memset(payload, 0, sizeof (payload));
309 	req.emr_cmd = MC_CMD_SET_MAC;
310 	req.emr_in_buf = payload;
311 	req.emr_in_length = MC_CMD_SET_MAC_IN_LEN;
312 	req.emr_out_buf = payload;
313 	req.emr_out_length = MC_CMD_SET_MAC_OUT_LEN;
314 
315 	MCDI_IN_SET_DWORD(req, SET_MAC_IN_MTU, epp->ep_mac_pdu);
316 	MCDI_IN_SET_DWORD(req, SET_MAC_IN_DRAIN, epp->ep_mac_drain ? 1 : 0);
317 	EFX_MAC_ADDR_COPY(MCDI_IN2(req, uint8_t, SET_MAC_IN_ADDR),
318 			    epp->ep_mac_addr);
319 
320 	/*
321 	 * Note: The Huntington MAC does not support REJECT_BRDCST.
322 	 * The REJECT_UNCST flag will also prevent multicast traffic
323 	 * from reaching the filters. As Huntington filters drop any
324 	 * traffic that does not match a filter it is ok to leave the
325 	 * MAC running in promiscuous mode. See bug41141.
326 	 *
327 	 * FIXME: Does REJECT_UNCST behave the same way on Medford?
328 	 */
329 	MCDI_IN_POPULATE_DWORD_2(req, SET_MAC_IN_REJECT,
330 				    SET_MAC_IN_REJECT_UNCST, 0,
331 				    SET_MAC_IN_REJECT_BRDCST, 0);
332 
333 	/*
334 	 * Flow control, whether it is auto-negotiated or not,
335 	 * is set via the PHY advertised capabilities.  When set to
336 	 * automatic the MAC will use the PHY settings to determine
337 	 * the flow control settings.
338 	 */
339 	MCDI_IN_SET_DWORD(req, SET_MAC_IN_FCNTL, MC_CMD_FCNTL_AUTO);
340 
341 	/* Do not include the Ethernet frame checksum in RX packets */
342 	MCDI_IN_POPULATE_DWORD_1(req, SET_MAC_IN_FLAGS,
343 				    SET_MAC_IN_FLAG_INCLUDE_FCS, 0);
344 
345 	efx_mcdi_execute_quiet(enp, &req);
346 
347 	if (req.emr_rc != 0) {
348 		/*
349 		 * Unprivileged functions cannot control link state,
350 		 * but still need to configure filters.
351 		 */
352 		if (req.emr_rc != EACCES) {
353 			rc = req.emr_rc;
354 			goto fail1;
355 		}
356 	}
357 
358 	/*
359 	 * Apply the filters for the MAC configuration.
360 	 * If the NIC isn't ready to accept filters this may
361 	 * return success without setting anything.
362 	 */
363 	rc = efx_filter_reconfigure(enp, epp->ep_mac_addr,
364 				    epp->ep_all_unicst, epp->ep_mulcst,
365 				    epp->ep_all_mulcst, epp->ep_brdcst,
366 				    epp->ep_mulcst_addr_list,
367 				    epp->ep_mulcst_addr_count);
368 
369 	return (0);
370 
371 fail1:
372 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
373 
374 	return (rc);
375 }
376 
377 	__checkReturn			efx_rc_t
378 ef10_mac_multicast_list_set(
379 	__in				efx_nic_t *enp)
380 {
381 	efx_port_t *epp = &(enp->en_port);
382 	const efx_mac_ops_t *emop = epp->ep_emop;
383 	efx_rc_t rc;
384 
385 	EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON ||
386 		    enp->en_family == EFX_FAMILY_MEDFORD);
387 
388 	if ((rc = emop->emo_reconfigure(enp)) != 0)
389 		goto fail1;
390 
391 	return (0);
392 
393 fail1:
394 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
395 
396 	return (rc);
397 }
398 
399 	__checkReturn	efx_rc_t
400 ef10_mac_filter_default_rxq_set(
401 	__in		efx_nic_t *enp,
402 	__in		efx_rxq_t *erp,
403 	__in		boolean_t using_rss)
404 {
405 	efx_port_t *epp = &(enp->en_port);
406 	efx_rxq_t *old_rxq;
407 	boolean_t old_using_rss;
408 	efx_rc_t rc;
409 
410 	ef10_filter_get_default_rxq(enp, &old_rxq, &old_using_rss);
411 
412 	ef10_filter_default_rxq_set(enp, erp, using_rss);
413 
414 	rc = efx_filter_reconfigure(enp, epp->ep_mac_addr,
415 				    epp->ep_all_unicst, epp->ep_mulcst,
416 				    epp->ep_all_mulcst, epp->ep_brdcst,
417 				    epp->ep_mulcst_addr_list,
418 				    epp->ep_mulcst_addr_count);
419 
420 	if (rc != 0)
421 		goto fail1;
422 
423 	return (0);
424 
425 fail1:
426 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
427 
428 	ef10_filter_default_rxq_set(enp, old_rxq, old_using_rss);
429 
430 	return (rc);
431 }
432 
433 			void
434 ef10_mac_filter_default_rxq_clear(
435 	__in		efx_nic_t *enp)
436 {
437 	efx_port_t *epp = &(enp->en_port);
438 
439 	ef10_filter_default_rxq_clear(enp);
440 
441 	efx_filter_reconfigure(enp, epp->ep_mac_addr,
442 				    epp->ep_all_unicst, epp->ep_mulcst,
443 				    epp->ep_all_mulcst, epp->ep_brdcst,
444 				    epp->ep_mulcst_addr_list,
445 				    epp->ep_mulcst_addr_count);
446 }
447 
448 
449 #if EFSYS_OPT_LOOPBACK
450 
451 	__checkReturn	efx_rc_t
452 ef10_mac_loopback_set(
453 	__in		efx_nic_t *enp,
454 	__in		efx_link_mode_t link_mode,
455 	__in		efx_loopback_type_t loopback_type)
456 {
457 	efx_port_t *epp = &(enp->en_port);
458 	const efx_phy_ops_t *epop = epp->ep_epop;
459 	efx_loopback_type_t old_loopback_type;
460 	efx_link_mode_t old_loopback_link_mode;
461 	efx_rc_t rc;
462 
463 	/* The PHY object handles this on EF10 */
464 	old_loopback_type = epp->ep_loopback_type;
465 	old_loopback_link_mode = epp->ep_loopback_link_mode;
466 	epp->ep_loopback_type = loopback_type;
467 	epp->ep_loopback_link_mode = link_mode;
468 
469 	if ((rc = epop->epo_reconfigure(enp)) != 0)
470 		goto fail1;
471 
472 	return (0);
473 
474 fail1:
475 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
476 
477 	epp->ep_loopback_type = old_loopback_type;
478 	epp->ep_loopback_link_mode = old_loopback_link_mode;
479 
480 	return (rc);
481 }
482 
483 #endif	/* EFSYS_OPT_LOOPBACK */
484 
485 #if EFSYS_OPT_MAC_STATS
486 
487 #define	EF10_MAC_STAT_READ(_esmp, _field, _eqp)			\
488 	EFSYS_MEM_READQ((_esmp), (_field) * sizeof (efx_qword_t), _eqp)
489 
490 
491 	__checkReturn			efx_rc_t
492 ef10_mac_stats_update(
493 	__in				efx_nic_t *enp,
494 	__in				efsys_mem_t *esmp,
495 	__inout_ecount(EFX_MAC_NSTATS)	efsys_stat_t *stat,
496 	__inout_opt			uint32_t *generationp)
497 {
498 	efx_qword_t value;
499 	efx_qword_t generation_start;
500 	efx_qword_t generation_end;
501 
502 	_NOTE(ARGUNUSED(enp))
503 
504 	/* Read END first so we don't race with the MC */
505 	EFSYS_DMA_SYNC_FOR_KERNEL(esmp, 0, EFX_MAC_STATS_SIZE);
506 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_GENERATION_END,
507 			    &generation_end);
508 	EFSYS_MEM_READ_BARRIER();
509 
510 	/* TX */
511 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_PKTS, &value);
512 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_PKTS]), &value);
513 
514 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_CONTROL_PKTS, &value);
515 	EFSYS_STAT_SUBR_QWORD(&(stat[EFX_MAC_TX_PKTS]), &value);
516 
517 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_PAUSE_PKTS, &value);
518 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_PAUSE_PKTS]), &value);
519 
520 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_UNICAST_PKTS, &value);
521 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_UNICST_PKTS]), &value);
522 
523 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_MULTICAST_PKTS, &value);
524 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_MULTICST_PKTS]), &value);
525 
526 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_BROADCAST_PKTS, &value);
527 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_BRDCST_PKTS]), &value);
528 
529 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_BYTES, &value);
530 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_OCTETS]), &value);
531 
532 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_LT64_PKTS, &value);
533 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_LE_64_PKTS]), &value);
534 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_64_PKTS, &value);
535 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_LE_64_PKTS]), &value);
536 
537 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_65_TO_127_PKTS, &value);
538 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_65_TO_127_PKTS]), &value);
539 
540 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_128_TO_255_PKTS, &value);
541 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_128_TO_255_PKTS]), &value);
542 
543 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_256_TO_511_PKTS, &value);
544 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_256_TO_511_PKTS]), &value);
545 
546 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_512_TO_1023_PKTS, &value);
547 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_512_TO_1023_PKTS]), &value);
548 
549 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_1024_TO_15XX_PKTS, &value);
550 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_1024_TO_15XX_PKTS]), &value);
551 
552 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_15XX_TO_JUMBO_PKTS, &value);
553 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_GE_15XX_PKTS]), &value);
554 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_GTJUMBO_PKTS, &value);
555 	EFSYS_STAT_INCR_QWORD(&(stat[EFX_MAC_TX_GE_15XX_PKTS]), &value);
556 
557 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_BAD_FCS_PKTS, &value);
558 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_ERRORS]), &value);
559 
560 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_SINGLE_COLLISION_PKTS, &value);
561 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_SGL_COL_PKTS]), &value);
562 
563 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_MULTIPLE_COLLISION_PKTS,
564 			    &value);
565 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_MULT_COL_PKTS]), &value);
566 
567 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_EXCESSIVE_COLLISION_PKTS,
568 			    &value);
569 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_EX_COL_PKTS]), &value);
570 
571 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_LATE_COLLISION_PKTS, &value);
572 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_LATE_COL_PKTS]), &value);
573 
574 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_DEFERRED_PKTS, &value);
575 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_DEF_PKTS]), &value);
576 
577 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_EXCESSIVE_DEFERRED_PKTS,
578 	    &value);
579 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_EX_DEF_PKTS]), &value);
580 
581 	/* RX */
582 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_BYTES, &value);
583 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_OCTETS]), &value);
584 
585 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_PKTS, &value);
586 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_PKTS]), &value);
587 
588 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_UNICAST_PKTS, &value);
589 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_UNICST_PKTS]), &value);
590 
591 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_MULTICAST_PKTS, &value);
592 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_MULTICST_PKTS]), &value);
593 
594 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_BROADCAST_PKTS, &value);
595 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_BRDCST_PKTS]), &value);
596 
597 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_PAUSE_PKTS, &value);
598 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_PAUSE_PKTS]), &value);
599 
600 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_UNDERSIZE_PKTS, &value);
601 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_LE_64_PKTS]), &value);
602 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_64_PKTS, &value);
603 	EFSYS_STAT_INCR_QWORD(&(stat[EFX_MAC_RX_LE_64_PKTS]), &value);
604 
605 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_65_TO_127_PKTS, &value);
606 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_65_TO_127_PKTS]), &value);
607 
608 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_128_TO_255_PKTS, &value);
609 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_128_TO_255_PKTS]), &value);
610 
611 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_256_TO_511_PKTS, &value);
612 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_256_TO_511_PKTS]), &value);
613 
614 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_512_TO_1023_PKTS, &value);
615 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_512_TO_1023_PKTS]), &value);
616 
617 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_1024_TO_15XX_PKTS, &value);
618 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_1024_TO_15XX_PKTS]), &value);
619 
620 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_15XX_TO_JUMBO_PKTS, &value);
621 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_GE_15XX_PKTS]), &value);
622 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_GTJUMBO_PKTS, &value);
623 	EFSYS_STAT_INCR_QWORD(&(stat[EFX_MAC_RX_GE_15XX_PKTS]), &value);
624 
625 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_BAD_FCS_PKTS, &value);
626 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_FCS_ERRORS]), &value);
627 
628 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_OVERFLOW_PKTS, &value);
629 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_DROP_EVENTS]), &value);
630 
631 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_FALSE_CARRIER_PKTS, &value);
632 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_FALSE_CARRIER_ERRORS]), &value);
633 
634 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_SYMBOL_ERROR_PKTS, &value);
635 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_SYMBOL_ERRORS]), &value);
636 
637 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_ALIGN_ERROR_PKTS, &value);
638 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_ALIGN_ERRORS]), &value);
639 
640 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_INTERNAL_ERROR_PKTS, &value);
641 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_INTERNAL_ERRORS]), &value);
642 
643 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_JABBER_PKTS, &value);
644 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_JABBER_PKTS]), &value);
645 
646 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_LANES01_CHAR_ERR, &value);
647 	EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE0_CHAR_ERR]),
648 			    &(value.eq_dword[0]));
649 	EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE1_CHAR_ERR]),
650 			    &(value.eq_dword[1]));
651 
652 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_LANES23_CHAR_ERR, &value);
653 	EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE2_CHAR_ERR]),
654 			    &(value.eq_dword[0]));
655 	EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE3_CHAR_ERR]),
656 			    &(value.eq_dword[1]));
657 
658 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_LANES01_DISP_ERR, &value);
659 	EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE0_DISP_ERR]),
660 			    &(value.eq_dword[0]));
661 	EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE1_DISP_ERR]),
662 			    &(value.eq_dword[1]));
663 
664 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_LANES23_DISP_ERR, &value);
665 	EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE2_DISP_ERR]),
666 			    &(value.eq_dword[0]));
667 	EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE3_DISP_ERR]),
668 			    &(value.eq_dword[1]));
669 
670 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_MATCH_FAULT, &value);
671 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_MATCH_FAULT]), &value);
672 
673 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_NODESC_DROPS, &value);
674 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_NODESC_DROP_CNT]), &value);
675 
676 	/* Packet memory (EF10 only) */
677 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_PM_TRUNC_BB_OVERFLOW, &value);
678 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_PM_TRUNC_BB_OVERFLOW]), &value);
679 
680 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_PM_DISCARD_BB_OVERFLOW, &value);
681 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_PM_DISCARD_BB_OVERFLOW]), &value);
682 
683 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_PM_TRUNC_VFIFO_FULL, &value);
684 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_PM_TRUNC_VFIFO_FULL]), &value);
685 
686 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_PM_DISCARD_VFIFO_FULL, &value);
687 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_PM_DISCARD_VFIFO_FULL]), &value);
688 
689 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_PM_TRUNC_QBB, &value);
690 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_PM_TRUNC_QBB]), &value);
691 
692 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_PM_DISCARD_QBB, &value);
693 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_PM_DISCARD_QBB]), &value);
694 
695 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_PM_DISCARD_MAPPING, &value);
696 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_PM_DISCARD_MAPPING]), &value);
697 
698 	/* RX datapath */
699 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RXDP_Q_DISABLED_PKTS, &value);
700 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RXDP_Q_DISABLED_PKTS]), &value);
701 
702 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RXDP_DI_DROPPED_PKTS, &value);
703 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RXDP_DI_DROPPED_PKTS]), &value);
704 
705 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RXDP_STREAMING_PKTS, &value);
706 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RXDP_STREAMING_PKTS]), &value);
707 
708 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RXDP_HLB_FETCH_CONDITIONS, &value);
709 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RXDP_HLB_FETCH]), &value);
710 
711 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RXDP_HLB_WAIT_CONDITIONS, &value);
712 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RXDP_HLB_WAIT]), &value);
713 
714 
715 	/* VADAPTER RX */
716 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_UNICAST_PACKETS,
717 	    &value);
718 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_UNICAST_PACKETS]),
719 	    &value);
720 
721 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_UNICAST_BYTES,
722 	    &value);
723 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_UNICAST_BYTES]),
724 	    &value);
725 
726 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_MULTICAST_PACKETS,
727 	    &value);
728 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_MULTICAST_PACKETS]),
729 	    &value);
730 
731 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_MULTICAST_BYTES,
732 	    &value);
733 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_MULTICAST_BYTES]),
734 	    &value);
735 
736 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_BROADCAST_PACKETS,
737 	    &value);
738 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_BROADCAST_PACKETS]),
739 	    &value);
740 
741 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_BROADCAST_BYTES,
742 	    &value);
743 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_BROADCAST_BYTES]),
744 	    &value);
745 
746 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_BAD_PACKETS,
747 	    &value);
748 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_BAD_PACKETS]),
749 	    &value);
750 
751 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_BAD_BYTES, &value);
752 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_BAD_BYTES]), &value);
753 
754 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_OVERFLOW, &value);
755 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_OVERFLOW]), &value);
756 
757 	/* VADAPTER TX */
758 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_UNICAST_PACKETS,
759 	    &value);
760 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_UNICAST_PACKETS]),
761 	    &value);
762 
763 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_UNICAST_BYTES,
764 	    &value);
765 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_UNICAST_BYTES]),
766 	    &value);
767 
768 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_MULTICAST_PACKETS,
769 	    &value);
770 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_MULTICAST_PACKETS]),
771 	    &value);
772 
773 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_MULTICAST_BYTES,
774 	    &value);
775 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_MULTICAST_BYTES]),
776 	    &value);
777 
778 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_BROADCAST_PACKETS,
779 	    &value);
780 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_BROADCAST_PACKETS]),
781 	    &value);
782 
783 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_BROADCAST_BYTES,
784 	    &value);
785 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_BROADCAST_BYTES]),
786 	    &value);
787 
788 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_BAD_PACKETS, &value);
789 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_BAD_PACKETS]), &value);
790 
791 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_BAD_BYTES, &value);
792 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_BAD_BYTES]), &value);
793 
794 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_OVERFLOW, &value);
795 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_OVERFLOW]), &value);
796 
797 
798 	EFSYS_DMA_SYNC_FOR_KERNEL(esmp, 0, EFX_MAC_STATS_SIZE);
799 	EFSYS_MEM_READ_BARRIER();
800 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_GENERATION_START,
801 			    &generation_start);
802 
803 	/* Check that we didn't read the stats in the middle of a DMA */
804 	/* Not a good enough check ? */
805 	if (memcmp(&generation_start, &generation_end,
806 	    sizeof (generation_start)))
807 		return (EAGAIN);
808 
809 	if (generationp)
810 		*generationp = EFX_QWORD_FIELD(generation_start, EFX_DWORD_0);
811 
812 	return (0);
813 }
814 
815 #endif	/* EFSYS_OPT_MAC_STATS */
816 
817 #endif	/* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD */
818