• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 /* bnx2x_stats.h: QLogic Everest network driver.
2  *
3  * Copyright (c) 2007-2013 Broadcom Corporation
4  * Copyright (c) 2014 QLogic Corporation
5  * All rights reserved
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation.
10  *
11  * Maintained by: Ariel Elior <ariel.elior@qlogic.com>
12  * Written by: Eliezer Tamir
13  * Based on code from Michael Chan's bnx2 driver
14  * UDP CSUM errata workaround by Arik Gendelman
15  * Slowpath and fastpath rework by Vladislav Zolotarov
16  * Statistics and Link management by Yitchak Gertner
17  *
18  */
19 #ifndef BNX2X_STATS_H
20 #define BNX2X_STATS_H
21 
22 #include <linux/types.h>
23 
24 struct nig_stats {
25 	u32 brb_discard;
26 	u32 brb_packet;
27 	u32 brb_truncate;
28 	u32 flow_ctrl_discard;
29 	u32 flow_ctrl_octets;
30 	u32 flow_ctrl_packet;
31 	u32 mng_discard;
32 	u32 mng_octet_inp;
33 	u32 mng_octet_out;
34 	u32 mng_packet_inp;
35 	u32 mng_packet_out;
36 	u32 pbf_octets;
37 	u32 pbf_packet;
38 	u32 safc_inp;
39 	u32 egress_mac_pkt0_lo;
40 	u32 egress_mac_pkt0_hi;
41 	u32 egress_mac_pkt1_lo;
42 	u32 egress_mac_pkt1_hi;
43 };
44 
45 enum bnx2x_stats_event {
46 	STATS_EVENT_PMF = 0,
47 	STATS_EVENT_LINK_UP,
48 	STATS_EVENT_UPDATE,
49 	STATS_EVENT_STOP,
50 	STATS_EVENT_MAX
51 };
52 
53 enum bnx2x_stats_state {
54 	STATS_STATE_DISABLED = 0,
55 	STATS_STATE_ENABLED,
56 	STATS_STATE_MAX
57 };
58 
59 struct bnx2x_eth_stats {
60 	u32 total_bytes_received_hi;
61 	u32 total_bytes_received_lo;
62 	u32 total_bytes_transmitted_hi;
63 	u32 total_bytes_transmitted_lo;
64 	u32 total_unicast_packets_received_hi;
65 	u32 total_unicast_packets_received_lo;
66 	u32 total_multicast_packets_received_hi;
67 	u32 total_multicast_packets_received_lo;
68 	u32 total_broadcast_packets_received_hi;
69 	u32 total_broadcast_packets_received_lo;
70 	u32 total_unicast_packets_transmitted_hi;
71 	u32 total_unicast_packets_transmitted_lo;
72 	u32 total_multicast_packets_transmitted_hi;
73 	u32 total_multicast_packets_transmitted_lo;
74 	u32 total_broadcast_packets_transmitted_hi;
75 	u32 total_broadcast_packets_transmitted_lo;
76 	u32 valid_bytes_received_hi;
77 	u32 valid_bytes_received_lo;
78 
79 	u32 error_bytes_received_hi;
80 	u32 error_bytes_received_lo;
81 	u32 etherstatsoverrsizepkts_hi;
82 	u32 etherstatsoverrsizepkts_lo;
83 	u32 no_buff_discard_hi;
84 	u32 no_buff_discard_lo;
85 
86 	u32 rx_stat_ifhcinbadoctets_hi;
87 	u32 rx_stat_ifhcinbadoctets_lo;
88 	u32 tx_stat_ifhcoutbadoctets_hi;
89 	u32 tx_stat_ifhcoutbadoctets_lo;
90 	u32 rx_stat_dot3statsfcserrors_hi;
91 	u32 rx_stat_dot3statsfcserrors_lo;
92 	u32 rx_stat_dot3statsalignmenterrors_hi;
93 	u32 rx_stat_dot3statsalignmenterrors_lo;
94 	u32 rx_stat_dot3statscarriersenseerrors_hi;
95 	u32 rx_stat_dot3statscarriersenseerrors_lo;
96 	u32 rx_stat_falsecarriererrors_hi;
97 	u32 rx_stat_falsecarriererrors_lo;
98 	u32 rx_stat_etherstatsundersizepkts_hi;
99 	u32 rx_stat_etherstatsundersizepkts_lo;
100 	u32 rx_stat_dot3statsframestoolong_hi;
101 	u32 rx_stat_dot3statsframestoolong_lo;
102 	u32 rx_stat_etherstatsfragments_hi;
103 	u32 rx_stat_etherstatsfragments_lo;
104 	u32 rx_stat_etherstatsjabbers_hi;
105 	u32 rx_stat_etherstatsjabbers_lo;
106 	u32 rx_stat_maccontrolframesreceived_hi;
107 	u32 rx_stat_maccontrolframesreceived_lo;
108 	u32 rx_stat_bmac_xpf_hi;
109 	u32 rx_stat_bmac_xpf_lo;
110 	u32 rx_stat_bmac_xcf_hi;
111 	u32 rx_stat_bmac_xcf_lo;
112 	u32 rx_stat_xoffstateentered_hi;
113 	u32 rx_stat_xoffstateentered_lo;
114 	u32 rx_stat_xonpauseframesreceived_hi;
115 	u32 rx_stat_xonpauseframesreceived_lo;
116 	u32 rx_stat_xoffpauseframesreceived_hi;
117 	u32 rx_stat_xoffpauseframesreceived_lo;
118 	u32 tx_stat_outxonsent_hi;
119 	u32 tx_stat_outxonsent_lo;
120 	u32 tx_stat_outxoffsent_hi;
121 	u32 tx_stat_outxoffsent_lo;
122 	u32 tx_stat_flowcontroldone_hi;
123 	u32 tx_stat_flowcontroldone_lo;
124 	u32 tx_stat_etherstatscollisions_hi;
125 	u32 tx_stat_etherstatscollisions_lo;
126 	u32 tx_stat_dot3statssinglecollisionframes_hi;
127 	u32 tx_stat_dot3statssinglecollisionframes_lo;
128 	u32 tx_stat_dot3statsmultiplecollisionframes_hi;
129 	u32 tx_stat_dot3statsmultiplecollisionframes_lo;
130 	u32 tx_stat_dot3statsdeferredtransmissions_hi;
131 	u32 tx_stat_dot3statsdeferredtransmissions_lo;
132 	u32 tx_stat_dot3statsexcessivecollisions_hi;
133 	u32 tx_stat_dot3statsexcessivecollisions_lo;
134 	u32 tx_stat_dot3statslatecollisions_hi;
135 	u32 tx_stat_dot3statslatecollisions_lo;
136 	u32 tx_stat_etherstatspkts64octets_hi;
137 	u32 tx_stat_etherstatspkts64octets_lo;
138 	u32 tx_stat_etherstatspkts65octetsto127octets_hi;
139 	u32 tx_stat_etherstatspkts65octetsto127octets_lo;
140 	u32 tx_stat_etherstatspkts128octetsto255octets_hi;
141 	u32 tx_stat_etherstatspkts128octetsto255octets_lo;
142 	u32 tx_stat_etherstatspkts256octetsto511octets_hi;
143 	u32 tx_stat_etherstatspkts256octetsto511octets_lo;
144 	u32 tx_stat_etherstatspkts512octetsto1023octets_hi;
145 	u32 tx_stat_etherstatspkts512octetsto1023octets_lo;
146 	u32 tx_stat_etherstatspkts1024octetsto1522octets_hi;
147 	u32 tx_stat_etherstatspkts1024octetsto1522octets_lo;
148 	u32 tx_stat_etherstatspktsover1522octets_hi;
149 	u32 tx_stat_etherstatspktsover1522octets_lo;
150 	u32 tx_stat_bmac_2047_hi;
151 	u32 tx_stat_bmac_2047_lo;
152 	u32 tx_stat_bmac_4095_hi;
153 	u32 tx_stat_bmac_4095_lo;
154 	u32 tx_stat_bmac_9216_hi;
155 	u32 tx_stat_bmac_9216_lo;
156 	u32 tx_stat_bmac_16383_hi;
157 	u32 tx_stat_bmac_16383_lo;
158 	u32 tx_stat_dot3statsinternalmactransmiterrors_hi;
159 	u32 tx_stat_dot3statsinternalmactransmiterrors_lo;
160 	u32 tx_stat_bmac_ufl_hi;
161 	u32 tx_stat_bmac_ufl_lo;
162 
163 	u32 pause_frames_received_hi;
164 	u32 pause_frames_received_lo;
165 	u32 pause_frames_sent_hi;
166 	u32 pause_frames_sent_lo;
167 
168 	u32 etherstatspkts1024octetsto1522octets_hi;
169 	u32 etherstatspkts1024octetsto1522octets_lo;
170 	u32 etherstatspktsover1522octets_hi;
171 	u32 etherstatspktsover1522octets_lo;
172 
173 	u32 brb_drop_hi;
174 	u32 brb_drop_lo;
175 	u32 brb_truncate_hi;
176 	u32 brb_truncate_lo;
177 
178 	u32 mac_filter_discard;
179 	u32 mf_tag_discard;
180 	u32 brb_truncate_discard;
181 	u32 mac_discard;
182 
183 	u32 driver_xoff;
184 	u32 rx_err_discard_pkt;
185 	u32 rx_skb_alloc_failed;
186 	u32 hw_csum_err;
187 
188 	u32 nig_timer_max;
189 
190 	/* TPA */
191 	u32 total_tpa_aggregations_hi;
192 	u32 total_tpa_aggregations_lo;
193 	u32 total_tpa_aggregated_frames_hi;
194 	u32 total_tpa_aggregated_frames_lo;
195 	u32 total_tpa_bytes_hi;
196 	u32 total_tpa_bytes_lo;
197 
198 	/* PFC */
199 	u32 pfc_frames_received_hi;
200 	u32 pfc_frames_received_lo;
201 	u32 pfc_frames_sent_hi;
202 	u32 pfc_frames_sent_lo;
203 
204 	/* Recovery */
205 	u32 recoverable_error;
206 	u32 unrecoverable_error;
207 	u32 driver_filtered_tx_pkt;
208 	/* src: Clear-on-Read register; Will not survive PMF Migration */
209 	u32 eee_tx_lpi;
210 };
211 
212 struct bnx2x_eth_q_stats {
213 	u32 total_unicast_bytes_received_hi;
214 	u32 total_unicast_bytes_received_lo;
215 	u32 total_broadcast_bytes_received_hi;
216 	u32 total_broadcast_bytes_received_lo;
217 	u32 total_multicast_bytes_received_hi;
218 	u32 total_multicast_bytes_received_lo;
219 	u32 total_bytes_received_hi;
220 	u32 total_bytes_received_lo;
221 	u32 total_unicast_bytes_transmitted_hi;
222 	u32 total_unicast_bytes_transmitted_lo;
223 	u32 total_broadcast_bytes_transmitted_hi;
224 	u32 total_broadcast_bytes_transmitted_lo;
225 	u32 total_multicast_bytes_transmitted_hi;
226 	u32 total_multicast_bytes_transmitted_lo;
227 	u32 total_bytes_transmitted_hi;
228 	u32 total_bytes_transmitted_lo;
229 	u32 total_unicast_packets_received_hi;
230 	u32 total_unicast_packets_received_lo;
231 	u32 total_multicast_packets_received_hi;
232 	u32 total_multicast_packets_received_lo;
233 	u32 total_broadcast_packets_received_hi;
234 	u32 total_broadcast_packets_received_lo;
235 	u32 total_unicast_packets_transmitted_hi;
236 	u32 total_unicast_packets_transmitted_lo;
237 	u32 total_multicast_packets_transmitted_hi;
238 	u32 total_multicast_packets_transmitted_lo;
239 	u32 total_broadcast_packets_transmitted_hi;
240 	u32 total_broadcast_packets_transmitted_lo;
241 	u32 valid_bytes_received_hi;
242 	u32 valid_bytes_received_lo;
243 
244 	u32 etherstatsoverrsizepkts_hi;
245 	u32 etherstatsoverrsizepkts_lo;
246 	u32 no_buff_discard_hi;
247 	u32 no_buff_discard_lo;
248 
249 	u32 driver_xoff;
250 	u32 rx_err_discard_pkt;
251 	u32 rx_skb_alloc_failed;
252 	u32 hw_csum_err;
253 
254 	u32 total_packets_received_checksum_discarded_hi;
255 	u32 total_packets_received_checksum_discarded_lo;
256 	u32 total_packets_received_ttl0_discarded_hi;
257 	u32 total_packets_received_ttl0_discarded_lo;
258 	u32 total_transmitted_dropped_packets_error_hi;
259 	u32 total_transmitted_dropped_packets_error_lo;
260 
261 	/* TPA */
262 	u32 total_tpa_aggregations_hi;
263 	u32 total_tpa_aggregations_lo;
264 	u32 total_tpa_aggregated_frames_hi;
265 	u32 total_tpa_aggregated_frames_lo;
266 	u32 total_tpa_bytes_hi;
267 	u32 total_tpa_bytes_lo;
268 	u32 driver_filtered_tx_pkt;
269 };
270 
271 struct bnx2x_eth_stats_old {
272 	u32 rx_stat_dot3statsframestoolong_hi;
273 	u32 rx_stat_dot3statsframestoolong_lo;
274 };
275 
276 struct bnx2x_eth_q_stats_old {
277 	/* Fields to perserve over fw reset*/
278 	u32 total_unicast_bytes_received_hi;
279 	u32 total_unicast_bytes_received_lo;
280 	u32 total_broadcast_bytes_received_hi;
281 	u32 total_broadcast_bytes_received_lo;
282 	u32 total_multicast_bytes_received_hi;
283 	u32 total_multicast_bytes_received_lo;
284 	u32 total_unicast_bytes_transmitted_hi;
285 	u32 total_unicast_bytes_transmitted_lo;
286 	u32 total_broadcast_bytes_transmitted_hi;
287 	u32 total_broadcast_bytes_transmitted_lo;
288 	u32 total_multicast_bytes_transmitted_hi;
289 	u32 total_multicast_bytes_transmitted_lo;
290 	u32 total_tpa_bytes_hi;
291 	u32 total_tpa_bytes_lo;
292 
293 	/* Fields to perserve last of */
294 	u32 total_bytes_received_hi;
295 	u32 total_bytes_received_lo;
296 	u32 total_bytes_transmitted_hi;
297 	u32 total_bytes_transmitted_lo;
298 	u32 total_unicast_packets_received_hi;
299 	u32 total_unicast_packets_received_lo;
300 	u32 total_multicast_packets_received_hi;
301 	u32 total_multicast_packets_received_lo;
302 	u32 total_broadcast_packets_received_hi;
303 	u32 total_broadcast_packets_received_lo;
304 	u32 total_unicast_packets_transmitted_hi;
305 	u32 total_unicast_packets_transmitted_lo;
306 	u32 total_multicast_packets_transmitted_hi;
307 	u32 total_multicast_packets_transmitted_lo;
308 	u32 total_broadcast_packets_transmitted_hi;
309 	u32 total_broadcast_packets_transmitted_lo;
310 	u32 valid_bytes_received_hi;
311 	u32 valid_bytes_received_lo;
312 
313 	u32 total_tpa_bytes_hi_old;
314 	u32 total_tpa_bytes_lo_old;
315 
316 	u32 driver_xoff_old;
317 	u32 rx_err_discard_pkt_old;
318 	u32 rx_skb_alloc_failed_old;
319 	u32 hw_csum_err_old;
320 	u32 driver_filtered_tx_pkt_old;
321 };
322 
323 struct bnx2x_net_stats_old {
324 	 u32 rx_dropped;
325 };
326 
327 struct bnx2x_fw_port_stats_old {
328 	 u32 mac_filter_discard;
329 	 u32 mf_tag_discard;
330 	 u32 brb_truncate_discard;
331 	 u32 mac_discard;
332 };
333 
334 /****************************************************************************
335 * Macros
336 ****************************************************************************/
337 
338 /* sum[hi:lo] += add[hi:lo] */
339 #define ADD_64(s_hi, a_hi, s_lo, a_lo) \
340 	do { \
341 		s_lo += a_lo; \
342 		s_hi += a_hi + ((s_lo < a_lo) ? 1 : 0); \
343 	} while (0)
344 
345 #define LE32_0 ((__force __le32) 0)
346 #define LE16_0 ((__force __le16) 0)
347 
348 /* The _force is for cases where high value is 0 */
349 #define ADD_64_LE(s_hi, a_hi_le, s_lo, a_lo_le) \
350 		ADD_64(s_hi, le32_to_cpu(a_hi_le), \
351 		       s_lo, le32_to_cpu(a_lo_le))
352 
353 #define ADD_64_LE16(s_hi, a_hi_le, s_lo, a_lo_le) \
354 		ADD_64(s_hi, le16_to_cpu(a_hi_le), \
355 		       s_lo, le16_to_cpu(a_lo_le))
356 
357 /* difference = minuend - subtrahend */
358 #define DIFF_64(d_hi, m_hi, s_hi, d_lo, m_lo, s_lo) \
359 	do { \
360 		if (m_lo < s_lo) { \
361 			/* underflow */ \
362 			d_hi = m_hi - s_hi; \
363 			if (d_hi > 0) { \
364 				/* we can 'loan' 1 */ \
365 				d_hi--; \
366 				d_lo = m_lo + (UINT_MAX - s_lo) + 1; \
367 			} else { \
368 				/* m_hi <= s_hi */ \
369 				d_hi = 0; \
370 				d_lo = 0; \
371 			} \
372 		} else { \
373 			/* m_lo >= s_lo */ \
374 			if (m_hi < s_hi) { \
375 				d_hi = 0; \
376 				d_lo = 0; \
377 			} else { \
378 				/* m_hi >= s_hi */ \
379 				d_hi = m_hi - s_hi; \
380 				d_lo = m_lo - s_lo; \
381 			} \
382 		} \
383 	} while (0)
384 
385 #define UPDATE_STAT64(s, t) \
386 	do { \
387 		DIFF_64(diff.hi, new->s##_hi, pstats->mac_stx[0].t##_hi, \
388 			diff.lo, new->s##_lo, pstats->mac_stx[0].t##_lo); \
389 		pstats->mac_stx[0].t##_hi = new->s##_hi; \
390 		pstats->mac_stx[0].t##_lo = new->s##_lo; \
391 		ADD_64(pstats->mac_stx[1].t##_hi, diff.hi, \
392 		       pstats->mac_stx[1].t##_lo, diff.lo); \
393 	} while (0)
394 
395 #define UPDATE_STAT64_NIG(s, t) \
396 	do { \
397 		DIFF_64(diff.hi, new->s##_hi, old->s##_hi, \
398 			diff.lo, new->s##_lo, old->s##_lo); \
399 		ADD_64(estats->t##_hi, diff.hi, \
400 		       estats->t##_lo, diff.lo); \
401 	} while (0)
402 
403 /* sum[hi:lo] += add */
404 #define ADD_EXTEND_64(s_hi, s_lo, a) \
405 	do { \
406 		s_lo += a; \
407 		s_hi += (s_lo < a) ? 1 : 0; \
408 	} while (0)
409 
410 #define ADD_STAT64(diff, t) \
411 	do { \
412 		ADD_64(pstats->mac_stx[1].t##_hi, new->diff##_hi, \
413 		       pstats->mac_stx[1].t##_lo, new->diff##_lo); \
414 	} while (0)
415 
416 #define UPDATE_EXTEND_STAT(s) \
417 	do { \
418 		ADD_EXTEND_64(pstats->mac_stx[1].s##_hi, \
419 			      pstats->mac_stx[1].s##_lo, \
420 			      new->s); \
421 	} while (0)
422 
423 #define UPDATE_EXTEND_TSTAT_X(s, t, size) \
424 	do { \
425 		diff = le##size##_to_cpu(tclient->s) - \
426 		       le##size##_to_cpu(old_tclient->s); \
427 		old_tclient->s = tclient->s; \
428 		ADD_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff); \
429 	} while (0)
430 
431 #define UPDATE_EXTEND_TSTAT(s, t) UPDATE_EXTEND_TSTAT_X(s, t, 32)
432 
433 #define UPDATE_EXTEND_E_TSTAT(s, t, size) \
434 	do { \
435 		UPDATE_EXTEND_TSTAT_X(s, t, size); \
436 		ADD_EXTEND_64(estats->t##_hi, estats->t##_lo, diff); \
437 	} while (0)
438 
439 #define UPDATE_EXTEND_USTAT(s, t) \
440 	do { \
441 		diff = le32_to_cpu(uclient->s) - le32_to_cpu(old_uclient->s); \
442 		old_uclient->s = uclient->s; \
443 		ADD_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff); \
444 	} while (0)
445 
446 #define UPDATE_EXTEND_E_USTAT(s, t) \
447 	do { \
448 		UPDATE_EXTEND_USTAT(s, t); \
449 		ADD_EXTEND_64(estats->t##_hi, estats->t##_lo, diff); \
450 	} while (0)
451 
452 #define UPDATE_EXTEND_XSTAT(s, t) \
453 	do { \
454 		diff = le32_to_cpu(xclient->s) - le32_to_cpu(old_xclient->s); \
455 		old_xclient->s = xclient->s; \
456 		ADD_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff); \
457 	} while (0)
458 
459 #define UPDATE_QSTAT(s, t) \
460 	do { \
461 		qstats->t##_lo = qstats_old->t##_lo + le32_to_cpu(s.lo); \
462 		qstats->t##_hi = qstats_old->t##_hi + le32_to_cpu(s.hi) \
463 			+ ((qstats->t##_lo < qstats_old->t##_lo) ? 1 : 0); \
464 	} while (0)
465 
466 #define UPDATE_QSTAT_OLD(f) \
467 	do { \
468 		qstats_old->f = qstats->f; \
469 	} while (0)
470 
471 #define UPDATE_ESTAT_QSTAT_64(s) \
472 	do { \
473 		ADD_64(estats->s##_hi, qstats->s##_hi, \
474 		       estats->s##_lo, qstats->s##_lo); \
475 		SUB_64(estats->s##_hi, qstats_old->s##_hi_old, \
476 		       estats->s##_lo, qstats_old->s##_lo_old); \
477 		qstats_old->s##_hi_old = qstats->s##_hi; \
478 		qstats_old->s##_lo_old = qstats->s##_lo; \
479 	} while (0)
480 
481 #define UPDATE_ESTAT_QSTAT(s) \
482 	do { \
483 		estats->s += qstats->s; \
484 		estats->s -= qstats_old->s##_old; \
485 		qstats_old->s##_old = qstats->s; \
486 	} while (0)
487 
488 #define UPDATE_FSTAT_QSTAT(s) \
489 	do { \
490 		ADD_64(fstats->s##_hi, qstats->s##_hi, \
491 		       fstats->s##_lo, qstats->s##_lo); \
492 		SUB_64(fstats->s##_hi, qstats_old->s##_hi, \
493 		       fstats->s##_lo, qstats_old->s##_lo); \
494 		estats->s##_hi = fstats->s##_hi; \
495 		estats->s##_lo = fstats->s##_lo; \
496 		qstats_old->s##_hi = qstats->s##_hi; \
497 		qstats_old->s##_lo = qstats->s##_lo; \
498 	} while (0)
499 
500 #define UPDATE_FW_STAT(s) \
501 	do { \
502 		estats->s = le32_to_cpu(tport->s) + fwstats->s; \
503 	} while (0)
504 
505 #define UPDATE_FW_STAT_OLD(f) \
506 	do { \
507 		fwstats->f = estats->f; \
508 	} while (0)
509 
510 #define UPDATE_ESTAT(s, t) \
511 	do { \
512 		SUB_64(estats->s##_hi, estats_old->t##_hi, \
513 		       estats->s##_lo, estats_old->t##_lo); \
514 		ADD_64(estats->s##_hi, estats->t##_hi, \
515 		       estats->s##_lo, estats->t##_lo); \
516 		estats_old->t##_hi = estats->t##_hi; \
517 		estats_old->t##_lo = estats->t##_lo; \
518 	} while (0)
519 
520 /* minuend -= subtrahend */
521 #define SUB_64(m_hi, s_hi, m_lo, s_lo) \
522 	do { \
523 		DIFF_64(m_hi, m_hi, s_hi, m_lo, m_lo, s_lo); \
524 	} while (0)
525 
526 /* minuend[hi:lo] -= subtrahend */
527 #define SUB_EXTEND_64(m_hi, m_lo, s) \
528 	do { \
529 		SUB_64(m_hi, 0, m_lo, s); \
530 	} while (0)
531 
532 #define SUB_EXTEND_USTAT(s, t) \
533 	do { \
534 		diff = le32_to_cpu(uclient->s) - le32_to_cpu(old_uclient->s); \
535 		SUB_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff); \
536 	} while (0)
537 
538 /* forward */
539 struct bnx2x;
540 
541 void bnx2x_memset_stats(struct bnx2x *bp);
542 void bnx2x_stats_init(struct bnx2x *bp);
543 void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event);
544 int bnx2x_stats_safe_exec(struct bnx2x *bp,
545 			  void (func_to_exec)(void *cookie),
546 			  void *cookie);
547 
548 /**
549  * bnx2x_save_statistics - save statistics when unloading.
550  *
551  * @bp:		driver handle
552  */
553 void bnx2x_save_statistics(struct bnx2x *bp);
554 
555 void bnx2x_afex_collect_stats(struct bnx2x *bp, void *void_afex_stats,
556 			      u32 stats_type);
557 #endif /* BNX2X_STATS_H */
558