xref: /illumos-gate/usr/src/uts/common/io/sfxge/common/ef10_mac.c (revision 49ef7e0638c8b771d8a136eae78b1c0f99acc8e0)
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 "efx.h"
32 #include "efx_impl.h"
33 
34 
35 #if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD
36 
37 	__checkReturn	efx_rc_t
ef10_mac_poll(__in efx_nic_t * enp,__out efx_link_mode_t * link_modep)38 ef10_mac_poll(
39 	__in		efx_nic_t *enp,
40 	__out		efx_link_mode_t *link_modep)
41 {
42 	efx_port_t *epp = &(enp->en_port);
43 	ef10_link_state_t els;
44 	efx_rc_t rc;
45 
46 	if ((rc = ef10_phy_get_link(enp, &els)) != 0)
47 		goto fail1;
48 
49 	epp->ep_adv_cap_mask = els.els_adv_cap_mask;
50 	epp->ep_fcntl = els.els_fcntl;
51 
52 	*link_modep = els.els_link_mode;
53 
54 	return (0);
55 
56 fail1:
57 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
58 
59 	*link_modep = EFX_LINK_UNKNOWN;
60 
61 	return (rc);
62 }
63 
64 	__checkReturn	efx_rc_t
ef10_mac_up(__in efx_nic_t * enp,__out boolean_t * mac_upp)65 ef10_mac_up(
66 	__in		efx_nic_t *enp,
67 	__out		boolean_t *mac_upp)
68 {
69 	ef10_link_state_t els;
70 	efx_rc_t rc;
71 
72 	/*
73 	 * Because EF10 doesn't *require* polling, we can't rely on
74 	 * ef10_mac_poll() being executed to populate epp->ep_mac_up.
75 	 */
76 	if ((rc = ef10_phy_get_link(enp, &els)) != 0)
77 		goto fail1;
78 
79 	*mac_upp = els.els_mac_up;
80 
81 	return (0);
82 
83 fail1:
84 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
85 
86 	return (rc);
87 }
88 
89 /*
90  * EF10 adapters use MC_CMD_VADAPTOR_SET_MAC to set the
91  * MAC address; the address field in MC_CMD_SET_MAC has no
92  * effect.
93  * MC_CMD_VADAPTOR_SET_MAC requires mac-spoofing privilege and
94  * the port to have no filters or queues active.
95  */
96 static	__checkReturn	efx_rc_t
efx_mcdi_vadapter_set_mac(__in efx_nic_t * enp)97 efx_mcdi_vadapter_set_mac(
98 	__in		efx_nic_t *enp)
99 {
100 	efx_port_t *epp = &(enp->en_port);
101 	efx_mcdi_req_t req;
102 	uint8_t payload[MAX(MC_CMD_VADAPTOR_SET_MAC_IN_LEN,
103 			    MC_CMD_VADAPTOR_SET_MAC_OUT_LEN)];
104 	efx_rc_t rc;
105 
106 	(void) memset(payload, 0, sizeof (payload));
107 	req.emr_cmd = MC_CMD_VADAPTOR_SET_MAC;
108 	req.emr_in_buf = payload;
109 	req.emr_in_length = MC_CMD_VADAPTOR_SET_MAC_IN_LEN;
110 	req.emr_out_buf = payload;
111 	req.emr_out_length = MC_CMD_VADAPTOR_SET_MAC_OUT_LEN;
112 
113 	MCDI_IN_SET_DWORD(req, VADAPTOR_SET_MAC_IN_UPSTREAM_PORT_ID,
114 	    enp->en_vport_id);
115 	EFX_MAC_ADDR_COPY(MCDI_IN2(req, uint8_t, VADAPTOR_SET_MAC_IN_MACADDR),
116 	    epp->ep_mac_addr);
117 
118 	efx_mcdi_execute(enp, &req);
119 
120 	if (req.emr_rc != 0) {
121 		rc = req.emr_rc;
122 		goto fail1;
123 	}
124 
125 	return (0);
126 
127 fail1:
128 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
129 
130 	return (rc);
131 }
132 
133 	__checkReturn	efx_rc_t
ef10_mac_addr_set(__in efx_nic_t * enp)134 ef10_mac_addr_set(
135 	__in		efx_nic_t *enp)
136 {
137 	efx_rc_t rc;
138 
139 	if ((rc = efx_mcdi_vadapter_set_mac(enp)) != 0) {
140 		if (rc != ENOTSUP)
141 			goto fail1;
142 
143 		/*
144 		 * Fallback for older Huntington firmware without Vadapter
145 		 * support.
146 		 */
147 		if ((rc = ef10_mac_reconfigure(enp)) != 0)
148 			goto fail2;
149 	}
150 
151 	return (0);
152 
153 fail2:
154 	EFSYS_PROBE(fail2);
155 
156 fail1:
157 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
158 
159 	return (rc);
160 }
161 
162 static	__checkReturn	efx_rc_t
efx_mcdi_mtu_set(__in efx_nic_t * enp,__in uint32_t mtu)163 efx_mcdi_mtu_set(
164 	__in		efx_nic_t *enp,
165 	__in		uint32_t mtu)
166 {
167 	efx_mcdi_req_t req;
168 	uint8_t payload[MAX(MC_CMD_SET_MAC_EXT_IN_LEN,
169 			    MC_CMD_SET_MAC_OUT_LEN)];
170 	efx_rc_t rc;
171 
172 	(void) memset(payload, 0, sizeof (payload));
173 	req.emr_cmd = MC_CMD_SET_MAC;
174 	req.emr_in_buf = payload;
175 	req.emr_in_length = MC_CMD_SET_MAC_EXT_IN_LEN;
176 	req.emr_out_buf = payload;
177 	req.emr_out_length = MC_CMD_SET_MAC_OUT_LEN;
178 
179 	/* Only configure the MTU in this call to MC_CMD_SET_MAC */
180 	MCDI_IN_SET_DWORD(req, SET_MAC_EXT_IN_MTU, mtu);
181 	MCDI_IN_POPULATE_DWORD_1(req, SET_MAC_EXT_IN_CONTROL,
182 			    SET_MAC_EXT_IN_CFG_MTU, 1);
183 
184 	efx_mcdi_execute(enp, &req);
185 
186 	if (req.emr_rc != 0) {
187 		rc = req.emr_rc;
188 		goto fail1;
189 	}
190 
191 	return (0);
192 
193 fail1:
194 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
195 
196 	return (rc);
197 }
198 
199 	__checkReturn	efx_rc_t
ef10_mac_pdu_set(__in efx_nic_t * enp)200 ef10_mac_pdu_set(
201 	__in		efx_nic_t *enp)
202 {
203 	efx_port_t *epp = &(enp->en_port);
204 	efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
205 	efx_rc_t rc;
206 
207 	if (encp->enc_enhanced_set_mac_supported) {
208 		if ((rc = efx_mcdi_mtu_set(enp, epp->ep_mac_pdu)) != 0)
209 			goto fail1;
210 	} else {
211 		/*
212 		 * Fallback for older Huntington firmware, which always
213 		 * configure all of the parameters to MC_CMD_SET_MAC. This isn't
214 		 * suitable for setting the MTU on unpriviliged functions.
215 		 */
216 		if ((rc = ef10_mac_reconfigure(enp)) != 0)
217 			goto fail2;
218 	}
219 
220 	return (0);
221 
222 fail2:
223 	EFSYS_PROBE(fail2);
224 fail1:
225 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
226 
227 	return (rc);
228 }
229 
230 __checkReturn	efx_rc_t
ef10_mac_reconfigure(__in efx_nic_t * enp)231 ef10_mac_reconfigure(
232 	__in		efx_nic_t *enp)
233 {
234 	efx_port_t *epp = &(enp->en_port);
235 	efx_mcdi_req_t req;
236 	uint8_t payload[MAX(MC_CMD_SET_MAC_IN_LEN,
237 			    MC_CMD_SET_MAC_OUT_LEN)];
238 	efx_rc_t rc;
239 
240 	(void) memset(payload, 0, sizeof (payload));
241 	req.emr_cmd = MC_CMD_SET_MAC;
242 	req.emr_in_buf = payload;
243 	req.emr_in_length = MC_CMD_SET_MAC_IN_LEN;
244 	req.emr_out_buf = payload;
245 	req.emr_out_length = MC_CMD_SET_MAC_OUT_LEN;
246 
247 	MCDI_IN_SET_DWORD(req, SET_MAC_IN_MTU, epp->ep_mac_pdu);
248 	MCDI_IN_SET_DWORD(req, SET_MAC_IN_DRAIN, epp->ep_mac_drain ? 1 : 0);
249 	EFX_MAC_ADDR_COPY(MCDI_IN2(req, uint8_t, SET_MAC_IN_ADDR),
250 			    epp->ep_mac_addr);
251 
252 	/*
253 	 * Note: The Huntington MAC does not support REJECT_BRDCST.
254 	 * The REJECT_UNCST flag will also prevent multicast traffic
255 	 * from reaching the filters. As Huntington filters drop any
256 	 * traffic that does not match a filter it is ok to leave the
257 	 * MAC running in promiscuous mode. See bug41141.
258 	 *
259 	 * FIXME: Does REJECT_UNCST behave the same way on Medford?
260 	 */
261 	MCDI_IN_POPULATE_DWORD_2(req, SET_MAC_IN_REJECT,
262 				    SET_MAC_IN_REJECT_UNCST, 0,
263 				    SET_MAC_IN_REJECT_BRDCST, 0);
264 
265 	/*
266 	 * Flow control, whether it is auto-negotiated or not,
267 	 * is set via the PHY advertised capabilities.  When set to
268 	 * automatic the MAC will use the PHY settings to determine
269 	 * the flow control settings.
270 	 */
271 	MCDI_IN_SET_DWORD(req, SET_MAC_IN_FCNTL, MC_CMD_FCNTL_AUTO);
272 
273 	/* Do not include the Ethernet frame checksum in RX packets */
274 	MCDI_IN_POPULATE_DWORD_1(req, SET_MAC_IN_FLAGS,
275 				    SET_MAC_IN_FLAG_INCLUDE_FCS, 0);
276 
277 	efx_mcdi_execute_quiet(enp, &req);
278 
279 	if (req.emr_rc != 0) {
280 		/*
281 		 * Unprivileged functions cannot control link state,
282 		 * but still need to configure filters.
283 		 */
284 		if (req.emr_rc != EACCES) {
285 			rc = req.emr_rc;
286 			goto fail1;
287 		}
288 	}
289 
290 	/*
291 	 * Apply the filters for the MAC configuration.
292 	 * If the NIC isn't ready to accept filters this may
293 	 * return success without setting anything.
294 	 */
295 	(void) efx_filter_reconfigure(enp, epp->ep_mac_addr,
296 				    epp->ep_all_unicst, epp->ep_mulcst,
297 				    epp->ep_all_mulcst, epp->ep_brdcst,
298 				    epp->ep_mulcst_addr_list,
299 				    epp->ep_mulcst_addr_count);
300 
301 	return (0);
302 
303 fail1:
304 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
305 
306 	return (rc);
307 }
308 
309 	__checkReturn			efx_rc_t
ef10_mac_multicast_list_set(__in efx_nic_t * enp)310 ef10_mac_multicast_list_set(
311 	__in				efx_nic_t *enp)
312 {
313 	efx_port_t *epp = &(enp->en_port);
314 	const efx_mac_ops_t *emop = epp->ep_emop;
315 	efx_rc_t rc;
316 
317 	EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON ||
318 		    enp->en_family == EFX_FAMILY_MEDFORD);
319 
320 	if ((rc = emop->emo_reconfigure(enp)) != 0)
321 		goto fail1;
322 
323 	return (0);
324 
325 fail1:
326 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
327 
328 	return (rc);
329 }
330 
331 	__checkReturn	efx_rc_t
ef10_mac_filter_default_rxq_set(__in efx_nic_t * enp,__in efx_rxq_t * erp,__in boolean_t using_rss)332 ef10_mac_filter_default_rxq_set(
333 	__in		efx_nic_t *enp,
334 	__in		efx_rxq_t *erp,
335 	__in		boolean_t using_rss)
336 {
337 	efx_port_t *epp = &(enp->en_port);
338 	efx_rxq_t *old_rxq;
339 	boolean_t old_using_rss;
340 	efx_rc_t rc;
341 
342 	ef10_filter_get_default_rxq(enp, &old_rxq, &old_using_rss);
343 
344 	ef10_filter_default_rxq_set(enp, erp, using_rss);
345 
346 	rc = efx_filter_reconfigure(enp, epp->ep_mac_addr,
347 				    epp->ep_all_unicst, epp->ep_mulcst,
348 				    epp->ep_all_mulcst, epp->ep_brdcst,
349 				    epp->ep_mulcst_addr_list,
350 				    epp->ep_mulcst_addr_count);
351 
352 	if (rc != 0)
353 		goto fail1;
354 
355 	return (0);
356 
357 fail1:
358 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
359 
360 	ef10_filter_default_rxq_set(enp, old_rxq, old_using_rss);
361 
362 	return (rc);
363 }
364 
365 			void
ef10_mac_filter_default_rxq_clear(__in efx_nic_t * enp)366 ef10_mac_filter_default_rxq_clear(
367 	__in		efx_nic_t *enp)
368 {
369 	efx_port_t *epp = &(enp->en_port);
370 
371 	ef10_filter_default_rxq_clear(enp);
372 
373 	(void) efx_filter_reconfigure(enp, epp->ep_mac_addr,
374 				    epp->ep_all_unicst, epp->ep_mulcst,
375 				    epp->ep_all_mulcst, epp->ep_brdcst,
376 				    epp->ep_mulcst_addr_list,
377 				    epp->ep_mulcst_addr_count);
378 }
379 
380 
381 #if EFSYS_OPT_LOOPBACK
382 
383 	__checkReturn	efx_rc_t
ef10_mac_loopback_set(__in efx_nic_t * enp,__in efx_link_mode_t link_mode,__in efx_loopback_type_t loopback_type)384 ef10_mac_loopback_set(
385 	__in		efx_nic_t *enp,
386 	__in		efx_link_mode_t link_mode,
387 	__in		efx_loopback_type_t loopback_type)
388 {
389 	efx_port_t *epp = &(enp->en_port);
390 	const efx_phy_ops_t *epop = epp->ep_epop;
391 	efx_loopback_type_t old_loopback_type;
392 	efx_link_mode_t old_loopback_link_mode;
393 	efx_rc_t rc;
394 
395 	/* The PHY object handles this on EF10 */
396 	old_loopback_type = epp->ep_loopback_type;
397 	old_loopback_link_mode = epp->ep_loopback_link_mode;
398 	epp->ep_loopback_type = loopback_type;
399 	epp->ep_loopback_link_mode = link_mode;
400 
401 	if ((rc = epop->epo_reconfigure(enp)) != 0)
402 		goto fail1;
403 
404 	return (0);
405 
406 fail1:
407 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
408 
409 	epp->ep_loopback_type = old_loopback_type;
410 	epp->ep_loopback_link_mode = old_loopback_link_mode;
411 
412 	return (rc);
413 }
414 
415 #endif	/* EFSYS_OPT_LOOPBACK */
416 
417 #if EFSYS_OPT_MAC_STATS
418 
419 #define	EF10_MAC_STAT_READ(_esmp, _field, _eqp)			\
420 	EFSYS_MEM_READQ((_esmp), (_field) * sizeof (efx_qword_t), _eqp)
421 
422 
423 	__checkReturn			efx_rc_t
ef10_mac_stats_update(__in efx_nic_t * enp,__in efsys_mem_t * esmp,__inout_ecount (EFX_MAC_NSTATS)efsys_stat_t * stat,__inout_opt uint32_t * generationp)424 ef10_mac_stats_update(
425 	__in				efx_nic_t *enp,
426 	__in				efsys_mem_t *esmp,
427 	__inout_ecount(EFX_MAC_NSTATS)	efsys_stat_t *stat,
428 	__inout_opt			uint32_t *generationp)
429 {
430 	efx_qword_t value;
431 	efx_qword_t generation_start;
432 	efx_qword_t generation_end;
433 
434 	_NOTE(ARGUNUSED(enp))
435 
436 	/* Read END first so we don't race with the MC */
437 	EFSYS_DMA_SYNC_FOR_KERNEL(esmp, 0, EFX_MAC_STATS_SIZE);
438 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_GENERATION_END,
439 			    &generation_end);
440 	EFSYS_MEM_READ_BARRIER();
441 
442 	/* TX */
443 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_PKTS, &value);
444 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_PKTS]), &value);
445 
446 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_CONTROL_PKTS, &value);
447 	EFSYS_STAT_SUBR_QWORD(&(stat[EFX_MAC_TX_PKTS]), &value);
448 
449 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_PAUSE_PKTS, &value);
450 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_PAUSE_PKTS]), &value);
451 
452 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_UNICAST_PKTS, &value);
453 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_UNICST_PKTS]), &value);
454 
455 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_MULTICAST_PKTS, &value);
456 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_MULTICST_PKTS]), &value);
457 
458 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_BROADCAST_PKTS, &value);
459 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_BRDCST_PKTS]), &value);
460 
461 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_BYTES, &value);
462 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_OCTETS]), &value);
463 
464 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_LT64_PKTS, &value);
465 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_LE_64_PKTS]), &value);
466 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_64_PKTS, &value);
467 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_LE_64_PKTS]), &value);
468 
469 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_65_TO_127_PKTS, &value);
470 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_65_TO_127_PKTS]), &value);
471 
472 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_128_TO_255_PKTS, &value);
473 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_128_TO_255_PKTS]), &value);
474 
475 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_256_TO_511_PKTS, &value);
476 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_256_TO_511_PKTS]), &value);
477 
478 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_512_TO_1023_PKTS, &value);
479 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_512_TO_1023_PKTS]), &value);
480 
481 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_1024_TO_15XX_PKTS, &value);
482 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_1024_TO_15XX_PKTS]), &value);
483 
484 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_15XX_TO_JUMBO_PKTS, &value);
485 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_GE_15XX_PKTS]), &value);
486 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_GTJUMBO_PKTS, &value);
487 	EFSYS_STAT_INCR_QWORD(&(stat[EFX_MAC_TX_GE_15XX_PKTS]), &value);
488 
489 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_BAD_FCS_PKTS, &value);
490 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_ERRORS]), &value);
491 
492 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_SINGLE_COLLISION_PKTS, &value);
493 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_SGL_COL_PKTS]), &value);
494 
495 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_MULTIPLE_COLLISION_PKTS,
496 			    &value);
497 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_MULT_COL_PKTS]), &value);
498 
499 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_EXCESSIVE_COLLISION_PKTS,
500 			    &value);
501 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_EX_COL_PKTS]), &value);
502 
503 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_LATE_COLLISION_PKTS, &value);
504 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_LATE_COL_PKTS]), &value);
505 
506 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_DEFERRED_PKTS, &value);
507 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_DEF_PKTS]), &value);
508 
509 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_EXCESSIVE_DEFERRED_PKTS,
510 	    &value);
511 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_EX_DEF_PKTS]), &value);
512 
513 	/* RX */
514 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_BYTES, &value);
515 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_OCTETS]), &value);
516 
517 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_PKTS, &value);
518 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_PKTS]), &value);
519 
520 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_UNICAST_PKTS, &value);
521 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_UNICST_PKTS]), &value);
522 
523 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_MULTICAST_PKTS, &value);
524 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_MULTICST_PKTS]), &value);
525 
526 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_BROADCAST_PKTS, &value);
527 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_BRDCST_PKTS]), &value);
528 
529 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_PAUSE_PKTS, &value);
530 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_PAUSE_PKTS]), &value);
531 
532 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_UNDERSIZE_PKTS, &value);
533 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_LE_64_PKTS]), &value);
534 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_64_PKTS, &value);
535 	EFSYS_STAT_INCR_QWORD(&(stat[EFX_MAC_RX_LE_64_PKTS]), &value);
536 
537 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_65_TO_127_PKTS, &value);
538 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_65_TO_127_PKTS]), &value);
539 
540 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_128_TO_255_PKTS, &value);
541 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_128_TO_255_PKTS]), &value);
542 
543 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_256_TO_511_PKTS, &value);
544 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_256_TO_511_PKTS]), &value);
545 
546 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_512_TO_1023_PKTS, &value);
547 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_512_TO_1023_PKTS]), &value);
548 
549 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_1024_TO_15XX_PKTS, &value);
550 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_1024_TO_15XX_PKTS]), &value);
551 
552 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_15XX_TO_JUMBO_PKTS, &value);
553 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_GE_15XX_PKTS]), &value);
554 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_GTJUMBO_PKTS, &value);
555 	EFSYS_STAT_INCR_QWORD(&(stat[EFX_MAC_RX_GE_15XX_PKTS]), &value);
556 
557 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_BAD_FCS_PKTS, &value);
558 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_FCS_ERRORS]), &value);
559 
560 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_OVERFLOW_PKTS, &value);
561 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_DROP_EVENTS]), &value);
562 
563 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_FALSE_CARRIER_PKTS, &value);
564 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_FALSE_CARRIER_ERRORS]), &value);
565 
566 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_SYMBOL_ERROR_PKTS, &value);
567 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_SYMBOL_ERRORS]), &value);
568 
569 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_ALIGN_ERROR_PKTS, &value);
570 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_ALIGN_ERRORS]), &value);
571 
572 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_INTERNAL_ERROR_PKTS, &value);
573 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_INTERNAL_ERRORS]), &value);
574 
575 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_JABBER_PKTS, &value);
576 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_JABBER_PKTS]), &value);
577 
578 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_LANES01_CHAR_ERR, &value);
579 	EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE0_CHAR_ERR]),
580 			    &(value.eq_dword[0]));
581 	EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE1_CHAR_ERR]),
582 			    &(value.eq_dword[1]));
583 
584 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_LANES23_CHAR_ERR, &value);
585 	EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE2_CHAR_ERR]),
586 			    &(value.eq_dword[0]));
587 	EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE3_CHAR_ERR]),
588 			    &(value.eq_dword[1]));
589 
590 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_LANES01_DISP_ERR, &value);
591 	EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE0_DISP_ERR]),
592 			    &(value.eq_dword[0]));
593 	EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE1_DISP_ERR]),
594 			    &(value.eq_dword[1]));
595 
596 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_LANES23_DISP_ERR, &value);
597 	EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE2_DISP_ERR]),
598 			    &(value.eq_dword[0]));
599 	EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE3_DISP_ERR]),
600 			    &(value.eq_dword[1]));
601 
602 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_MATCH_FAULT, &value);
603 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_MATCH_FAULT]), &value);
604 
605 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_NODESC_DROPS, &value);
606 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_NODESC_DROP_CNT]), &value);
607 
608 	/* Packet memory (EF10 only) */
609 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_PM_TRUNC_BB_OVERFLOW, &value);
610 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_PM_TRUNC_BB_OVERFLOW]), &value);
611 
612 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_PM_DISCARD_BB_OVERFLOW, &value);
613 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_PM_DISCARD_BB_OVERFLOW]), &value);
614 
615 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_PM_TRUNC_VFIFO_FULL, &value);
616 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_PM_TRUNC_VFIFO_FULL]), &value);
617 
618 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_PM_DISCARD_VFIFO_FULL, &value);
619 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_PM_DISCARD_VFIFO_FULL]), &value);
620 
621 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_PM_TRUNC_QBB, &value);
622 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_PM_TRUNC_QBB]), &value);
623 
624 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_PM_DISCARD_QBB, &value);
625 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_PM_DISCARD_QBB]), &value);
626 
627 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_PM_DISCARD_MAPPING, &value);
628 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_PM_DISCARD_MAPPING]), &value);
629 
630 	/* RX datapath */
631 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RXDP_Q_DISABLED_PKTS, &value);
632 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RXDP_Q_DISABLED_PKTS]), &value);
633 
634 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RXDP_DI_DROPPED_PKTS, &value);
635 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RXDP_DI_DROPPED_PKTS]), &value);
636 
637 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RXDP_STREAMING_PKTS, &value);
638 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RXDP_STREAMING_PKTS]), &value);
639 
640 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RXDP_HLB_FETCH_CONDITIONS, &value);
641 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RXDP_HLB_FETCH]), &value);
642 
643 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RXDP_HLB_WAIT_CONDITIONS, &value);
644 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RXDP_HLB_WAIT]), &value);
645 
646 
647 	/* VADAPTER RX */
648 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_UNICAST_PACKETS,
649 	    &value);
650 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_UNICAST_PACKETS]),
651 	    &value);
652 
653 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_UNICAST_BYTES,
654 	    &value);
655 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_UNICAST_BYTES]),
656 	    &value);
657 
658 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_MULTICAST_PACKETS,
659 	    &value);
660 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_MULTICAST_PACKETS]),
661 	    &value);
662 
663 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_MULTICAST_BYTES,
664 	    &value);
665 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_MULTICAST_BYTES]),
666 	    &value);
667 
668 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_BROADCAST_PACKETS,
669 	    &value);
670 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_BROADCAST_PACKETS]),
671 	    &value);
672 
673 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_BROADCAST_BYTES,
674 	    &value);
675 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_BROADCAST_BYTES]),
676 	    &value);
677 
678 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_BAD_PACKETS,
679 	    &value);
680 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_BAD_PACKETS]),
681 	    &value);
682 
683 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_BAD_BYTES, &value);
684 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_BAD_BYTES]), &value);
685 
686 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_OVERFLOW, &value);
687 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_OVERFLOW]), &value);
688 
689 	/* VADAPTER TX */
690 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_UNICAST_PACKETS,
691 	    &value);
692 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_UNICAST_PACKETS]),
693 	    &value);
694 
695 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_UNICAST_BYTES,
696 	    &value);
697 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_UNICAST_BYTES]),
698 	    &value);
699 
700 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_MULTICAST_PACKETS,
701 	    &value);
702 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_MULTICAST_PACKETS]),
703 	    &value);
704 
705 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_MULTICAST_BYTES,
706 	    &value);
707 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_MULTICAST_BYTES]),
708 	    &value);
709 
710 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_BROADCAST_PACKETS,
711 	    &value);
712 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_BROADCAST_PACKETS]),
713 	    &value);
714 
715 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_BROADCAST_BYTES,
716 	    &value);
717 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_BROADCAST_BYTES]),
718 	    &value);
719 
720 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_BAD_PACKETS, &value);
721 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_BAD_PACKETS]), &value);
722 
723 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_BAD_BYTES, &value);
724 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_BAD_BYTES]), &value);
725 
726 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_OVERFLOW, &value);
727 	EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_OVERFLOW]), &value);
728 
729 
730 	EFSYS_DMA_SYNC_FOR_KERNEL(esmp, 0, EFX_MAC_STATS_SIZE);
731 	EFSYS_MEM_READ_BARRIER();
732 	EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_GENERATION_START,
733 			    &generation_start);
734 
735 	/* Check that we didn't read the stats in the middle of a DMA */
736 	/* Not a good enough check ? */
737 	if (memcmp(&generation_start, &generation_end,
738 	    sizeof (generation_start)))
739 		return (EAGAIN);
740 
741 	if (generationp)
742 		*generationp = EFX_QWORD_FIELD(generation_start, EFX_DWORD_0);
743 
744 	return (0);
745 }
746 
747 #endif	/* EFSYS_OPT_MAC_STATS */
748 
749 #endif	/* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD */
750