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
24struct 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
45enum 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
53enum bnx2x_stats_state {
54	STATS_STATE_DISABLED = 0,
55	STATS_STATE_ENABLED,
56	STATS_STATE_MAX
57};
58
59struct 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	/* PTP */
212	u32 ptp_skip_tx_ts;
213};
214
215struct bnx2x_eth_q_stats {
216	u32 total_unicast_bytes_received_hi;
217	u32 total_unicast_bytes_received_lo;
218	u32 total_broadcast_bytes_received_hi;
219	u32 total_broadcast_bytes_received_lo;
220	u32 total_multicast_bytes_received_hi;
221	u32 total_multicast_bytes_received_lo;
222	u32 total_bytes_received_hi;
223	u32 total_bytes_received_lo;
224	u32 total_unicast_bytes_transmitted_hi;
225	u32 total_unicast_bytes_transmitted_lo;
226	u32 total_broadcast_bytes_transmitted_hi;
227	u32 total_broadcast_bytes_transmitted_lo;
228	u32 total_multicast_bytes_transmitted_hi;
229	u32 total_multicast_bytes_transmitted_lo;
230	u32 total_bytes_transmitted_hi;
231	u32 total_bytes_transmitted_lo;
232	u32 total_unicast_packets_received_hi;
233	u32 total_unicast_packets_received_lo;
234	u32 total_multicast_packets_received_hi;
235	u32 total_multicast_packets_received_lo;
236	u32 total_broadcast_packets_received_hi;
237	u32 total_broadcast_packets_received_lo;
238	u32 total_unicast_packets_transmitted_hi;
239	u32 total_unicast_packets_transmitted_lo;
240	u32 total_multicast_packets_transmitted_hi;
241	u32 total_multicast_packets_transmitted_lo;
242	u32 total_broadcast_packets_transmitted_hi;
243	u32 total_broadcast_packets_transmitted_lo;
244	u32 valid_bytes_received_hi;
245	u32 valid_bytes_received_lo;
246
247	u32 etherstatsoverrsizepkts_hi;
248	u32 etherstatsoverrsizepkts_lo;
249	u32 no_buff_discard_hi;
250	u32 no_buff_discard_lo;
251
252	u32 driver_xoff;
253	u32 rx_err_discard_pkt;
254	u32 rx_skb_alloc_failed;
255	u32 hw_csum_err;
256
257	u32 total_packets_received_checksum_discarded_hi;
258	u32 total_packets_received_checksum_discarded_lo;
259	u32 total_packets_received_ttl0_discarded_hi;
260	u32 total_packets_received_ttl0_discarded_lo;
261	u32 total_transmitted_dropped_packets_error_hi;
262	u32 total_transmitted_dropped_packets_error_lo;
263
264	/* TPA */
265	u32 total_tpa_aggregations_hi;
266	u32 total_tpa_aggregations_lo;
267	u32 total_tpa_aggregated_frames_hi;
268	u32 total_tpa_aggregated_frames_lo;
269	u32 total_tpa_bytes_hi;
270	u32 total_tpa_bytes_lo;
271	u32 driver_filtered_tx_pkt;
272};
273
274struct bnx2x_eth_stats_old {
275	u32 rx_stat_dot3statsframestoolong_hi;
276	u32 rx_stat_dot3statsframestoolong_lo;
277};
278
279struct bnx2x_eth_q_stats_old {
280	/* Fields to perserve over fw reset*/
281	u32 total_unicast_bytes_received_hi;
282	u32 total_unicast_bytes_received_lo;
283	u32 total_broadcast_bytes_received_hi;
284	u32 total_broadcast_bytes_received_lo;
285	u32 total_multicast_bytes_received_hi;
286	u32 total_multicast_bytes_received_lo;
287	u32 total_unicast_bytes_transmitted_hi;
288	u32 total_unicast_bytes_transmitted_lo;
289	u32 total_broadcast_bytes_transmitted_hi;
290	u32 total_broadcast_bytes_transmitted_lo;
291	u32 total_multicast_bytes_transmitted_hi;
292	u32 total_multicast_bytes_transmitted_lo;
293	u32 total_tpa_bytes_hi;
294	u32 total_tpa_bytes_lo;
295
296	/* Fields to perserve last of */
297	u32 total_bytes_received_hi;
298	u32 total_bytes_received_lo;
299	u32 total_bytes_transmitted_hi;
300	u32 total_bytes_transmitted_lo;
301	u32 total_unicast_packets_received_hi;
302	u32 total_unicast_packets_received_lo;
303	u32 total_multicast_packets_received_hi;
304	u32 total_multicast_packets_received_lo;
305	u32 total_broadcast_packets_received_hi;
306	u32 total_broadcast_packets_received_lo;
307	u32 total_unicast_packets_transmitted_hi;
308	u32 total_unicast_packets_transmitted_lo;
309	u32 total_multicast_packets_transmitted_hi;
310	u32 total_multicast_packets_transmitted_lo;
311	u32 total_broadcast_packets_transmitted_hi;
312	u32 total_broadcast_packets_transmitted_lo;
313	u32 valid_bytes_received_hi;
314	u32 valid_bytes_received_lo;
315
316	u32 total_tpa_bytes_hi_old;
317	u32 total_tpa_bytes_lo_old;
318
319	u32 driver_xoff_old;
320	u32 rx_err_discard_pkt_old;
321	u32 rx_skb_alloc_failed_old;
322	u32 hw_csum_err_old;
323	u32 driver_filtered_tx_pkt_old;
324};
325
326struct bnx2x_net_stats_old {
327	 u32 rx_dropped;
328};
329
330struct bnx2x_fw_port_stats_old {
331	 u32 mac_filter_discard;
332	 u32 mf_tag_discard;
333	 u32 brb_truncate_discard;
334	 u32 mac_discard;
335};
336
337/****************************************************************************
338* Macros
339****************************************************************************/
340
341/* sum[hi:lo] += add[hi:lo] */
342#define ADD_64(s_hi, a_hi, s_lo, a_lo) \
343	do { \
344		s_lo += a_lo; \
345		s_hi += a_hi + ((s_lo < a_lo) ? 1 : 0); \
346	} while (0)
347
348#define LE32_0 ((__force __le32) 0)
349#define LE16_0 ((__force __le16) 0)
350
351/* The _force is for cases where high value is 0 */
352#define ADD_64_LE(s_hi, a_hi_le, s_lo, a_lo_le) \
353		ADD_64(s_hi, le32_to_cpu(a_hi_le), \
354		       s_lo, le32_to_cpu(a_lo_le))
355
356#define ADD_64_LE16(s_hi, a_hi_le, s_lo, a_lo_le) \
357		ADD_64(s_hi, le16_to_cpu(a_hi_le), \
358		       s_lo, le16_to_cpu(a_lo_le))
359
360/* difference = minuend - subtrahend */
361#define DIFF_64(d_hi, m_hi, s_hi, d_lo, m_lo, s_lo) \
362	do { \
363		if (m_lo < s_lo) { \
364			/* underflow */ \
365			d_hi = m_hi - s_hi; \
366			if (d_hi > 0) { \
367				/* we can 'loan' 1 */ \
368				d_hi--; \
369				d_lo = m_lo + (UINT_MAX - s_lo) + 1; \
370			} else { \
371				/* m_hi <= s_hi */ \
372				d_hi = 0; \
373				d_lo = 0; \
374			} \
375		} else { \
376			/* m_lo >= s_lo */ \
377			if (m_hi < s_hi) { \
378				d_hi = 0; \
379				d_lo = 0; \
380			} else { \
381				/* m_hi >= s_hi */ \
382				d_hi = m_hi - s_hi; \
383				d_lo = m_lo - s_lo; \
384			} \
385		} \
386	} while (0)
387
388#define UPDATE_STAT64(s, t) \
389	do { \
390		DIFF_64(diff.hi, new->s##_hi, pstats->mac_stx[0].t##_hi, \
391			diff.lo, new->s##_lo, pstats->mac_stx[0].t##_lo); \
392		pstats->mac_stx[0].t##_hi = new->s##_hi; \
393		pstats->mac_stx[0].t##_lo = new->s##_lo; \
394		ADD_64(pstats->mac_stx[1].t##_hi, diff.hi, \
395		       pstats->mac_stx[1].t##_lo, diff.lo); \
396	} while (0)
397
398#define UPDATE_STAT64_NIG(s, t) \
399	do { \
400		DIFF_64(diff.hi, new->s##_hi, old->s##_hi, \
401			diff.lo, new->s##_lo, old->s##_lo); \
402		ADD_64(estats->t##_hi, diff.hi, \
403		       estats->t##_lo, diff.lo); \
404	} while (0)
405
406/* sum[hi:lo] += add */
407#define ADD_EXTEND_64(s_hi, s_lo, a) \
408	do { \
409		s_lo += a; \
410		s_hi += (s_lo < a) ? 1 : 0; \
411	} while (0)
412
413#define ADD_STAT64(diff, t) \
414	do { \
415		ADD_64(pstats->mac_stx[1].t##_hi, new->diff##_hi, \
416		       pstats->mac_stx[1].t##_lo, new->diff##_lo); \
417	} while (0)
418
419#define UPDATE_EXTEND_STAT(s) \
420	do { \
421		ADD_EXTEND_64(pstats->mac_stx[1].s##_hi, \
422			      pstats->mac_stx[1].s##_lo, \
423			      new->s); \
424	} while (0)
425
426#define UPDATE_EXTEND_TSTAT_X(s, t, size) \
427	do { \
428		diff = le##size##_to_cpu(tclient->s) - \
429		       le##size##_to_cpu(old_tclient->s); \
430		old_tclient->s = tclient->s; \
431		ADD_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff); \
432	} while (0)
433
434#define UPDATE_EXTEND_TSTAT(s, t) UPDATE_EXTEND_TSTAT_X(s, t, 32)
435
436#define UPDATE_EXTEND_E_TSTAT(s, t, size) \
437	do { \
438		UPDATE_EXTEND_TSTAT_X(s, t, size); \
439		ADD_EXTEND_64(estats->t##_hi, estats->t##_lo, diff); \
440	} while (0)
441
442#define UPDATE_EXTEND_USTAT(s, t) \
443	do { \
444		diff = le32_to_cpu(uclient->s) - le32_to_cpu(old_uclient->s); \
445		old_uclient->s = uclient->s; \
446		ADD_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff); \
447	} while (0)
448
449#define UPDATE_EXTEND_E_USTAT(s, t) \
450	do { \
451		UPDATE_EXTEND_USTAT(s, t); \
452		ADD_EXTEND_64(estats->t##_hi, estats->t##_lo, diff); \
453	} while (0)
454
455#define UPDATE_EXTEND_XSTAT(s, t) \
456	do { \
457		diff = le32_to_cpu(xclient->s) - le32_to_cpu(old_xclient->s); \
458		old_xclient->s = xclient->s; \
459		ADD_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff); \
460	} while (0)
461
462#define UPDATE_QSTAT(s, t) \
463	do { \
464		qstats->t##_lo = qstats_old->t##_lo + le32_to_cpu(s.lo); \
465		qstats->t##_hi = qstats_old->t##_hi + le32_to_cpu(s.hi) \
466			+ ((qstats->t##_lo < qstats_old->t##_lo) ? 1 : 0); \
467	} while (0)
468
469#define UPDATE_QSTAT_OLD(f) \
470	do { \
471		qstats_old->f = qstats->f; \
472	} while (0)
473
474#define UPDATE_ESTAT_QSTAT_64(s) \
475	do { \
476		ADD_64(estats->s##_hi, qstats->s##_hi, \
477		       estats->s##_lo, qstats->s##_lo); \
478		SUB_64(estats->s##_hi, qstats_old->s##_hi_old, \
479		       estats->s##_lo, qstats_old->s##_lo_old); \
480		qstats_old->s##_hi_old = qstats->s##_hi; \
481		qstats_old->s##_lo_old = qstats->s##_lo; \
482	} while (0)
483
484#define UPDATE_ESTAT_QSTAT(s) \
485	do { \
486		estats->s += qstats->s; \
487		estats->s -= qstats_old->s##_old; \
488		qstats_old->s##_old = qstats->s; \
489	} while (0)
490
491#define UPDATE_FSTAT_QSTAT(s) \
492	do { \
493		ADD_64(fstats->s##_hi, qstats->s##_hi, \
494		       fstats->s##_lo, qstats->s##_lo); \
495		SUB_64(fstats->s##_hi, qstats_old->s##_hi, \
496		       fstats->s##_lo, qstats_old->s##_lo); \
497		estats->s##_hi = fstats->s##_hi; \
498		estats->s##_lo = fstats->s##_lo; \
499		qstats_old->s##_hi = qstats->s##_hi; \
500		qstats_old->s##_lo = qstats->s##_lo; \
501	} while (0)
502
503#define UPDATE_FW_STAT(s) \
504	do { \
505		estats->s = le32_to_cpu(tport->s) + fwstats->s; \
506	} while (0)
507
508#define UPDATE_FW_STAT_OLD(f) \
509	do { \
510		fwstats->f = estats->f; \
511	} while (0)
512
513#define UPDATE_ESTAT(s, t) \
514	do { \
515		SUB_64(estats->s##_hi, estats_old->t##_hi, \
516		       estats->s##_lo, estats_old->t##_lo); \
517		ADD_64(estats->s##_hi, estats->t##_hi, \
518		       estats->s##_lo, estats->t##_lo); \
519		estats_old->t##_hi = estats->t##_hi; \
520		estats_old->t##_lo = estats->t##_lo; \
521	} while (0)
522
523/* minuend -= subtrahend */
524#define SUB_64(m_hi, s_hi, m_lo, s_lo) \
525	do { \
526		DIFF_64(m_hi, m_hi, s_hi, m_lo, m_lo, s_lo); \
527	} while (0)
528
529/* minuend[hi:lo] -= subtrahend */
530#define SUB_EXTEND_64(m_hi, m_lo, s) \
531	do { \
532		SUB_64(m_hi, 0, m_lo, s); \
533	} while (0)
534
535#define SUB_EXTEND_USTAT(s, t) \
536	do { \
537		diff = le32_to_cpu(uclient->s) - le32_to_cpu(old_uclient->s); \
538		SUB_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff); \
539	} while (0)
540
541/* forward */
542struct bnx2x;
543
544void bnx2x_memset_stats(struct bnx2x *bp);
545void bnx2x_stats_init(struct bnx2x *bp);
546void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event);
547int bnx2x_stats_safe_exec(struct bnx2x *bp,
548			  void (func_to_exec)(void *cookie),
549			  void *cookie);
550
551/**
552 * bnx2x_save_statistics - save statistics when unloading.
553 *
554 * @bp:		driver handle
555 */
556void bnx2x_save_statistics(struct bnx2x *bp);
557
558void bnx2x_afex_collect_stats(struct bnx2x *bp, void *void_afex_stats,
559			      u32 stats_type);
560#endif /* BNX2X_STATS_H */
561