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
212struct 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
271struct bnx2x_eth_stats_old {
272	u32 rx_stat_dot3statsframestoolong_hi;
273	u32 rx_stat_dot3statsframestoolong_lo;
274};
275
276struct 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
323struct bnx2x_net_stats_old {
324	 u32 rx_dropped;
325};
326
327struct 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 */
539struct bnx2x;
540
541void bnx2x_memset_stats(struct bnx2x *bp);
542void bnx2x_stats_init(struct bnx2x *bp);
543void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event);
544int 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 */
553void bnx2x_save_statistics(struct bnx2x *bp);
554
555void bnx2x_afex_collect_stats(struct bnx2x *bp, void *void_afex_stats,
556			      u32 stats_type);
557#endif /* BNX2X_STATS_H */
558