1 /* bnx2x_stats.h: Broadcom Everest network driver.
2  *
3  * Copyright (c) 2007-2012 Broadcom Corporation
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation.
8  *
9  * Maintained by: Eilon Greenstein <eilong@broadcom.com>
10  * Written by: Eliezer Tamir
11  * Based on code from Michael Chan's bnx2 driver
12  * UDP CSUM errata workaround by Arik Gendelman
13  * Slowpath and fastpath rework by Vladislav Zolotarov
14  * Statistics and Link management by Yitchak Gertner
15  *
16  */
17 #ifndef BNX2X_STATS_H
18 #define BNX2X_STATS_H
19 
20 #include <linux/types.h>
21 
22 struct nig_stats {
23 	u32 brb_discard;
24 	u32 brb_packet;
25 	u32 brb_truncate;
26 	u32 flow_ctrl_discard;
27 	u32 flow_ctrl_octets;
28 	u32 flow_ctrl_packet;
29 	u32 mng_discard;
30 	u32 mng_octet_inp;
31 	u32 mng_octet_out;
32 	u32 mng_packet_inp;
33 	u32 mng_packet_out;
34 	u32 pbf_octets;
35 	u32 pbf_packet;
36 	u32 safc_inp;
37 	u32 egress_mac_pkt0_lo;
38 	u32 egress_mac_pkt0_hi;
39 	u32 egress_mac_pkt1_lo;
40 	u32 egress_mac_pkt1_hi;
41 };
42 
43 
44 enum bnx2x_stats_event {
45 	STATS_EVENT_PMF = 0,
46 	STATS_EVENT_LINK_UP,
47 	STATS_EVENT_UPDATE,
48 	STATS_EVENT_STOP,
49 	STATS_EVENT_MAX
50 };
51 
52 enum bnx2x_stats_state {
53 	STATS_STATE_DISABLED = 0,
54 	STATS_STATE_ENABLED,
55 	STATS_STATE_MAX
56 };
57 
58 struct bnx2x_eth_stats {
59 	u32 total_bytes_received_hi;
60 	u32 total_bytes_received_lo;
61 	u32 total_bytes_transmitted_hi;
62 	u32 total_bytes_transmitted_lo;
63 	u32 total_unicast_packets_received_hi;
64 	u32 total_unicast_packets_received_lo;
65 	u32 total_multicast_packets_received_hi;
66 	u32 total_multicast_packets_received_lo;
67 	u32 total_broadcast_packets_received_hi;
68 	u32 total_broadcast_packets_received_lo;
69 	u32 total_unicast_packets_transmitted_hi;
70 	u32 total_unicast_packets_transmitted_lo;
71 	u32 total_multicast_packets_transmitted_hi;
72 	u32 total_multicast_packets_transmitted_lo;
73 	u32 total_broadcast_packets_transmitted_hi;
74 	u32 total_broadcast_packets_transmitted_lo;
75 	u32 valid_bytes_received_hi;
76 	u32 valid_bytes_received_lo;
77 
78 	u32 error_bytes_received_hi;
79 	u32 error_bytes_received_lo;
80 	u32 etherstatsoverrsizepkts_hi;
81 	u32 etherstatsoverrsizepkts_lo;
82 	u32 no_buff_discard_hi;
83 	u32 no_buff_discard_lo;
84 
85 	u32 rx_stat_ifhcinbadoctets_hi;
86 	u32 rx_stat_ifhcinbadoctets_lo;
87 	u32 tx_stat_ifhcoutbadoctets_hi;
88 	u32 tx_stat_ifhcoutbadoctets_lo;
89 	u32 rx_stat_dot3statsfcserrors_hi;
90 	u32 rx_stat_dot3statsfcserrors_lo;
91 	u32 rx_stat_dot3statsalignmenterrors_hi;
92 	u32 rx_stat_dot3statsalignmenterrors_lo;
93 	u32 rx_stat_dot3statscarriersenseerrors_hi;
94 	u32 rx_stat_dot3statscarriersenseerrors_lo;
95 	u32 rx_stat_falsecarriererrors_hi;
96 	u32 rx_stat_falsecarriererrors_lo;
97 	u32 rx_stat_etherstatsundersizepkts_hi;
98 	u32 rx_stat_etherstatsundersizepkts_lo;
99 	u32 rx_stat_dot3statsframestoolong_hi;
100 	u32 rx_stat_dot3statsframestoolong_lo;
101 	u32 rx_stat_etherstatsfragments_hi;
102 	u32 rx_stat_etherstatsfragments_lo;
103 	u32 rx_stat_etherstatsjabbers_hi;
104 	u32 rx_stat_etherstatsjabbers_lo;
105 	u32 rx_stat_maccontrolframesreceived_hi;
106 	u32 rx_stat_maccontrolframesreceived_lo;
107 	u32 rx_stat_bmac_xpf_hi;
108 	u32 rx_stat_bmac_xpf_lo;
109 	u32 rx_stat_bmac_xcf_hi;
110 	u32 rx_stat_bmac_xcf_lo;
111 	u32 rx_stat_xoffstateentered_hi;
112 	u32 rx_stat_xoffstateentered_lo;
113 	u32 rx_stat_xonpauseframesreceived_hi;
114 	u32 rx_stat_xonpauseframesreceived_lo;
115 	u32 rx_stat_xoffpauseframesreceived_hi;
116 	u32 rx_stat_xoffpauseframesreceived_lo;
117 	u32 tx_stat_outxonsent_hi;
118 	u32 tx_stat_outxonsent_lo;
119 	u32 tx_stat_outxoffsent_hi;
120 	u32 tx_stat_outxoffsent_lo;
121 	u32 tx_stat_flowcontroldone_hi;
122 	u32 tx_stat_flowcontroldone_lo;
123 	u32 tx_stat_etherstatscollisions_hi;
124 	u32 tx_stat_etherstatscollisions_lo;
125 	u32 tx_stat_dot3statssinglecollisionframes_hi;
126 	u32 tx_stat_dot3statssinglecollisionframes_lo;
127 	u32 tx_stat_dot3statsmultiplecollisionframes_hi;
128 	u32 tx_stat_dot3statsmultiplecollisionframes_lo;
129 	u32 tx_stat_dot3statsdeferredtransmissions_hi;
130 	u32 tx_stat_dot3statsdeferredtransmissions_lo;
131 	u32 tx_stat_dot3statsexcessivecollisions_hi;
132 	u32 tx_stat_dot3statsexcessivecollisions_lo;
133 	u32 tx_stat_dot3statslatecollisions_hi;
134 	u32 tx_stat_dot3statslatecollisions_lo;
135 	u32 tx_stat_etherstatspkts64octets_hi;
136 	u32 tx_stat_etherstatspkts64octets_lo;
137 	u32 tx_stat_etherstatspkts65octetsto127octets_hi;
138 	u32 tx_stat_etherstatspkts65octetsto127octets_lo;
139 	u32 tx_stat_etherstatspkts128octetsto255octets_hi;
140 	u32 tx_stat_etherstatspkts128octetsto255octets_lo;
141 	u32 tx_stat_etherstatspkts256octetsto511octets_hi;
142 	u32 tx_stat_etherstatspkts256octetsto511octets_lo;
143 	u32 tx_stat_etherstatspkts512octetsto1023octets_hi;
144 	u32 tx_stat_etherstatspkts512octetsto1023octets_lo;
145 	u32 tx_stat_etherstatspkts1024octetsto1522octets_hi;
146 	u32 tx_stat_etherstatspkts1024octetsto1522octets_lo;
147 	u32 tx_stat_etherstatspktsover1522octets_hi;
148 	u32 tx_stat_etherstatspktsover1522octets_lo;
149 	u32 tx_stat_bmac_2047_hi;
150 	u32 tx_stat_bmac_2047_lo;
151 	u32 tx_stat_bmac_4095_hi;
152 	u32 tx_stat_bmac_4095_lo;
153 	u32 tx_stat_bmac_9216_hi;
154 	u32 tx_stat_bmac_9216_lo;
155 	u32 tx_stat_bmac_16383_hi;
156 	u32 tx_stat_bmac_16383_lo;
157 	u32 tx_stat_dot3statsinternalmactransmiterrors_hi;
158 	u32 tx_stat_dot3statsinternalmactransmiterrors_lo;
159 	u32 tx_stat_bmac_ufl_hi;
160 	u32 tx_stat_bmac_ufl_lo;
161 
162 	u32 pause_frames_received_hi;
163 	u32 pause_frames_received_lo;
164 	u32 pause_frames_sent_hi;
165 	u32 pause_frames_sent_lo;
166 
167 	u32 etherstatspkts1024octetsto1522octets_hi;
168 	u32 etherstatspkts1024octetsto1522octets_lo;
169 	u32 etherstatspktsover1522octets_hi;
170 	u32 etherstatspktsover1522octets_lo;
171 
172 	u32 brb_drop_hi;
173 	u32 brb_drop_lo;
174 	u32 brb_truncate_hi;
175 	u32 brb_truncate_lo;
176 
177 	u32 mac_filter_discard;
178 	u32 mf_tag_discard;
179 	u32 brb_truncate_discard;
180 	u32 mac_discard;
181 
182 	u32 driver_xoff;
183 	u32 rx_err_discard_pkt;
184 	u32 rx_skb_alloc_failed;
185 	u32 hw_csum_err;
186 
187 	u32 nig_timer_max;
188 
189 	/* TPA */
190 	u32 total_tpa_aggregations_hi;
191 	u32 total_tpa_aggregations_lo;
192 	u32 total_tpa_aggregated_frames_hi;
193 	u32 total_tpa_aggregated_frames_lo;
194 	u32 total_tpa_bytes_hi;
195 	u32 total_tpa_bytes_lo;
196 
197 	/* PFC */
198 	u32 pfc_frames_received_hi;
199 	u32 pfc_frames_received_lo;
200 	u32 pfc_frames_sent_hi;
201 	u32 pfc_frames_sent_lo;
202 
203 	/* Recovery */
204 	u32 recoverable_error;
205 	u32 unrecoverable_error;
206 };
207 
208 
209 struct bnx2x_eth_q_stats {
210 	u32 total_unicast_bytes_received_hi;
211 	u32 total_unicast_bytes_received_lo;
212 	u32 total_broadcast_bytes_received_hi;
213 	u32 total_broadcast_bytes_received_lo;
214 	u32 total_multicast_bytes_received_hi;
215 	u32 total_multicast_bytes_received_lo;
216 	u32 total_bytes_received_hi;
217 	u32 total_bytes_received_lo;
218 	u32 total_unicast_bytes_transmitted_hi;
219 	u32 total_unicast_bytes_transmitted_lo;
220 	u32 total_broadcast_bytes_transmitted_hi;
221 	u32 total_broadcast_bytes_transmitted_lo;
222 	u32 total_multicast_bytes_transmitted_hi;
223 	u32 total_multicast_bytes_transmitted_lo;
224 	u32 total_bytes_transmitted_hi;
225 	u32 total_bytes_transmitted_lo;
226 	u32 total_unicast_packets_received_hi;
227 	u32 total_unicast_packets_received_lo;
228 	u32 total_multicast_packets_received_hi;
229 	u32 total_multicast_packets_received_lo;
230 	u32 total_broadcast_packets_received_hi;
231 	u32 total_broadcast_packets_received_lo;
232 	u32 total_unicast_packets_transmitted_hi;
233 	u32 total_unicast_packets_transmitted_lo;
234 	u32 total_multicast_packets_transmitted_hi;
235 	u32 total_multicast_packets_transmitted_lo;
236 	u32 total_broadcast_packets_transmitted_hi;
237 	u32 total_broadcast_packets_transmitted_lo;
238 	u32 valid_bytes_received_hi;
239 	u32 valid_bytes_received_lo;
240 
241 	u32 etherstatsoverrsizepkts_hi;
242 	u32 etherstatsoverrsizepkts_lo;
243 	u32 no_buff_discard_hi;
244 	u32 no_buff_discard_lo;
245 
246 	u32 driver_xoff;
247 	u32 rx_err_discard_pkt;
248 	u32 rx_skb_alloc_failed;
249 	u32 hw_csum_err;
250 
251 	u32 total_packets_received_checksum_discarded_hi;
252 	u32 total_packets_received_checksum_discarded_lo;
253 	u32 total_packets_received_ttl0_discarded_hi;
254 	u32 total_packets_received_ttl0_discarded_lo;
255 	u32 total_transmitted_dropped_packets_error_hi;
256 	u32 total_transmitted_dropped_packets_error_lo;
257 
258 	/* TPA */
259 	u32 total_tpa_aggregations_hi;
260 	u32 total_tpa_aggregations_lo;
261 	u32 total_tpa_aggregated_frames_hi;
262 	u32 total_tpa_aggregated_frames_lo;
263 	u32 total_tpa_bytes_hi;
264 	u32 total_tpa_bytes_lo;
265 };
266 
267 struct bnx2x_eth_stats_old {
268 	u32 rx_stat_dot3statsframestoolong_hi;
269 	u32 rx_stat_dot3statsframestoolong_lo;
270 };
271 
272 struct bnx2x_eth_q_stats_old {
273 	/* Fields to perserve over fw reset*/
274 	u32 total_unicast_bytes_received_hi;
275 	u32 total_unicast_bytes_received_lo;
276 	u32 total_broadcast_bytes_received_hi;
277 	u32 total_broadcast_bytes_received_lo;
278 	u32 total_multicast_bytes_received_hi;
279 	u32 total_multicast_bytes_received_lo;
280 	u32 total_unicast_bytes_transmitted_hi;
281 	u32 total_unicast_bytes_transmitted_lo;
282 	u32 total_broadcast_bytes_transmitted_hi;
283 	u32 total_broadcast_bytes_transmitted_lo;
284 	u32 total_multicast_bytes_transmitted_hi;
285 	u32 total_multicast_bytes_transmitted_lo;
286 	u32 total_tpa_bytes_hi;
287 	u32 total_tpa_bytes_lo;
288 
289 	/* Fields to perserve last of */
290 	u32 total_bytes_received_hi;
291 	u32 total_bytes_received_lo;
292 	u32 total_bytes_transmitted_hi;
293 	u32 total_bytes_transmitted_lo;
294 	u32 total_unicast_packets_received_hi;
295 	u32 total_unicast_packets_received_lo;
296 	u32 total_multicast_packets_received_hi;
297 	u32 total_multicast_packets_received_lo;
298 	u32 total_broadcast_packets_received_hi;
299 	u32 total_broadcast_packets_received_lo;
300 	u32 total_unicast_packets_transmitted_hi;
301 	u32 total_unicast_packets_transmitted_lo;
302 	u32 total_multicast_packets_transmitted_hi;
303 	u32 total_multicast_packets_transmitted_lo;
304 	u32 total_broadcast_packets_transmitted_hi;
305 	u32 total_broadcast_packets_transmitted_lo;
306 	u32 valid_bytes_received_hi;
307 	u32 valid_bytes_received_lo;
308 
309 	u32 total_tpa_bytes_hi_old;
310 	u32 total_tpa_bytes_lo_old;
311 
312 	u32 driver_xoff_old;
313 	u32 rx_err_discard_pkt_old;
314 	u32 rx_skb_alloc_failed_old;
315 	u32 hw_csum_err_old;
316 };
317 
318 struct bnx2x_net_stats_old {
319 	 u32 rx_dropped;
320 };
321 
322 struct bnx2x_fw_port_stats_old {
323 	 u32 mac_filter_discard;
324 	 u32 mf_tag_discard;
325 	 u32 brb_truncate_discard;
326 	 u32 mac_discard;
327 };
328 
329 
330 /****************************************************************************
331 * Macros
332 ****************************************************************************/
333 
334 /* sum[hi:lo] += add[hi:lo] */
335 #define ADD_64(s_hi, a_hi, s_lo, a_lo) \
336 	do { \
337 		s_lo += a_lo; \
338 		s_hi += a_hi + ((s_lo < a_lo) ? 1 : 0); \
339 	} while (0)
340 
341 /* difference = minuend - subtrahend */
342 #define DIFF_64(d_hi, m_hi, s_hi, d_lo, m_lo, s_lo) \
343 	do { \
344 		if (m_lo < s_lo) { \
345 			/* underflow */ \
346 			d_hi = m_hi - s_hi; \
347 			if (d_hi > 0) { \
348 				/* we can 'loan' 1 */ \
349 				d_hi--; \
350 				d_lo = m_lo + (UINT_MAX - s_lo) + 1; \
351 			} else { \
352 				/* m_hi <= s_hi */ \
353 				d_hi = 0; \
354 				d_lo = 0; \
355 			} \
356 		} else { \
357 			/* m_lo >= s_lo */ \
358 			if (m_hi < s_hi) { \
359 				d_hi = 0; \
360 				d_lo = 0; \
361 			} else { \
362 				/* m_hi >= s_hi */ \
363 				d_hi = m_hi - s_hi; \
364 				d_lo = m_lo - s_lo; \
365 			} \
366 		} \
367 	} while (0)
368 
369 #define UPDATE_STAT64(s, t) \
370 	do { \
371 		DIFF_64(diff.hi, new->s##_hi, pstats->mac_stx[0].t##_hi, \
372 			diff.lo, new->s##_lo, pstats->mac_stx[0].t##_lo); \
373 		pstats->mac_stx[0].t##_hi = new->s##_hi; \
374 		pstats->mac_stx[0].t##_lo = new->s##_lo; \
375 		ADD_64(pstats->mac_stx[1].t##_hi, diff.hi, \
376 		       pstats->mac_stx[1].t##_lo, diff.lo); \
377 	} while (0)
378 
379 #define UPDATE_STAT64_NIG(s, t) \
380 	do { \
381 		DIFF_64(diff.hi, new->s##_hi, old->s##_hi, \
382 			diff.lo, new->s##_lo, old->s##_lo); \
383 		ADD_64(estats->t##_hi, diff.hi, \
384 		       estats->t##_lo, diff.lo); \
385 	} while (0)
386 
387 /* sum[hi:lo] += add */
388 #define ADD_EXTEND_64(s_hi, s_lo, a) \
389 	do { \
390 		s_lo += a; \
391 		s_hi += (s_lo < a) ? 1 : 0; \
392 	} while (0)
393 
394 #define ADD_STAT64(diff, t) \
395 	do { \
396 		ADD_64(pstats->mac_stx[1].t##_hi, new->diff##_hi, \
397 		       pstats->mac_stx[1].t##_lo, new->diff##_lo); \
398 	} while (0)
399 
400 #define UPDATE_EXTEND_STAT(s) \
401 	do { \
402 		ADD_EXTEND_64(pstats->mac_stx[1].s##_hi, \
403 			      pstats->mac_stx[1].s##_lo, \
404 			      new->s); \
405 	} while (0)
406 
407 #define UPDATE_EXTEND_TSTAT(s, t) \
408 	do { \
409 		diff = le32_to_cpu(tclient->s) - le32_to_cpu(old_tclient->s); \
410 		old_tclient->s = tclient->s; \
411 		ADD_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff); \
412 	} while (0)
413 
414 #define UPDATE_EXTEND_E_TSTAT(s, t) \
415 	do { \
416 		UPDATE_EXTEND_TSTAT(s, t); \
417 		ADD_EXTEND_64(estats->t##_hi, estats->t##_lo, diff); \
418 	} while (0)
419 
420 #define UPDATE_EXTEND_USTAT(s, t) \
421 	do { \
422 		diff = le32_to_cpu(uclient->s) - le32_to_cpu(old_uclient->s); \
423 		old_uclient->s = uclient->s; \
424 		ADD_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff); \
425 	} while (0)
426 
427 #define UPDATE_EXTEND_E_USTAT(s, t) \
428 	do { \
429 		UPDATE_EXTEND_USTAT(s, t); \
430 		ADD_EXTEND_64(estats->t##_hi, estats->t##_lo, diff); \
431 	} while (0)
432 
433 #define UPDATE_EXTEND_XSTAT(s, t) \
434 	do { \
435 		diff = le32_to_cpu(xclient->s) - le32_to_cpu(old_xclient->s); \
436 		old_xclient->s = xclient->s; \
437 		ADD_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff); \
438 	} while (0)
439 
440 #define UPDATE_QSTAT(s, t) \
441 	do { \
442 		qstats->t##_lo = qstats_old->t##_lo + le32_to_cpu(s.lo); \
443 		qstats->t##_hi = qstats_old->t##_hi + le32_to_cpu(s.hi) \
444 			+ ((qstats->t##_lo < qstats_old->t##_lo) ? 1 : 0); \
445 	} while (0)
446 
447 #define UPDATE_QSTAT_OLD(f) \
448 	do { \
449 		qstats_old->f = qstats->f; \
450 	} while (0)
451 
452 #define UPDATE_ESTAT_QSTAT_64(s) \
453 	do { \
454 		ADD_64(estats->s##_hi, qstats->s##_hi, \
455 		       estats->s##_lo, qstats->s##_lo); \
456 		SUB_64(estats->s##_hi, qstats_old->s##_hi_old, \
457 		       estats->s##_lo, qstats_old->s##_lo_old); \
458 		qstats_old->s##_hi_old = qstats->s##_hi; \
459 		qstats_old->s##_lo_old = qstats->s##_lo; \
460 	} while (0)
461 
462 #define UPDATE_ESTAT_QSTAT(s) \
463 	do { \
464 		estats->s += qstats->s; \
465 		estats->s -= qstats_old->s##_old; \
466 		qstats_old->s##_old = qstats->s; \
467 	} while (0)
468 
469 #define UPDATE_FSTAT_QSTAT(s) \
470 	do { \
471 		ADD_64(fstats->s##_hi, qstats->s##_hi, \
472 		       fstats->s##_lo, qstats->s##_lo); \
473 		SUB_64(fstats->s##_hi, qstats_old->s##_hi, \
474 		       fstats->s##_lo, qstats_old->s##_lo); \
475 		estats->s##_hi = fstats->s##_hi; \
476 		estats->s##_lo = fstats->s##_lo; \
477 		qstats_old->s##_hi = qstats->s##_hi; \
478 		qstats_old->s##_lo = qstats->s##_lo; \
479 	} while (0)
480 
481 #define UPDATE_FW_STAT(s) \
482 	do { \
483 		estats->s = le32_to_cpu(tport->s) + fwstats->s; \
484 	} while (0)
485 
486 #define UPDATE_FW_STAT_OLD(f) \
487 	do { \
488 		fwstats->f = estats->f; \
489 	} while (0)
490 
491 #define UPDATE_ESTAT(s, t) \
492 	do { \
493 		SUB_64(estats->s##_hi, estats_old->t##_hi, \
494 		       estats->s##_lo, estats_old->t##_lo); \
495 		ADD_64(estats->s##_hi, estats->t##_hi, \
496 		       estats->s##_lo, estats->t##_lo); \
497 		estats_old->t##_hi = estats->t##_hi; \
498 		estats_old->t##_lo = estats->t##_lo; \
499 	} while (0)
500 
501 /* minuend -= subtrahend */
502 #define SUB_64(m_hi, s_hi, m_lo, s_lo) \
503 	do { \
504 		DIFF_64(m_hi, m_hi, s_hi, m_lo, m_lo, s_lo); \
505 	} while (0)
506 
507 /* minuend[hi:lo] -= subtrahend */
508 #define SUB_EXTEND_64(m_hi, m_lo, s) \
509 	do { \
510 		SUB_64(m_hi, 0, m_lo, s); \
511 	} while (0)
512 
513 #define SUB_EXTEND_USTAT(s, t) \
514 	do { \
515 		diff = le32_to_cpu(uclient->s) - le32_to_cpu(old_uclient->s); \
516 		SUB_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff); \
517 	} while (0)
518 
519 
520 /* forward */
521 struct bnx2x;
522 
523 void bnx2x_stats_init(struct bnx2x *bp);
524 
525 void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event);
526 
527 /**
528  * bnx2x_save_statistics - save statistics when unloading.
529  *
530  * @bp:		driver handle
531  */
532 void bnx2x_save_statistics(struct bnx2x *bp);
533 #endif /* BNX2X_STATS_H */
534