net/mlx5: fix synchronization on polling Rx completions
[dpdk.git] / drivers / net / bnx2x / bnx2x_stats.h
1 /*-
2  * Copyright (c) 2007-2013 QLogic Corporation. All rights reserved.
3  *
4  * Eric Davis        <edavis@broadcom.com>
5  * David Christensen <davidch@broadcom.com>
6  * Gary Zambrano     <zambrano@broadcom.com>
7  *
8  * Copyright (c) 2013-2015 Brocade Communications Systems, Inc.
9  * Copyright (c) 2015 QLogic Corporation.
10  * All rights reserved.
11  * www.qlogic.com
12  *
13  * See LICENSE.bnx2x_pmd for copyright and licensing details.
14  */
15
16 #ifndef BNX2X_STATS_H
17 #define BNX2X_STATS_H
18
19 #include <sys/types.h>
20
21 struct nig_stats {
22     uint32_t brb_discard;
23     uint32_t brb_packet;
24     uint32_t brb_truncate;
25     uint32_t flow_ctrl_discard;
26     uint32_t flow_ctrl_octets;
27     uint32_t flow_ctrl_packet;
28     uint32_t mng_discard;
29     uint32_t mng_octet_inp;
30     uint32_t mng_octet_out;
31     uint32_t mng_packet_inp;
32     uint32_t mng_packet_out;
33     uint32_t pbf_octets;
34     uint32_t pbf_packet;
35     uint32_t safc_inp;
36     uint32_t egress_mac_pkt0_lo;
37     uint32_t egress_mac_pkt0_hi;
38     uint32_t egress_mac_pkt1_lo;
39     uint32_t egress_mac_pkt1_hi;
40 };
41
42
43 enum bnx2x_stats_event {
44     STATS_EVENT_PMF = 0,
45     STATS_EVENT_LINK_UP,
46     STATS_EVENT_UPDATE,
47     STATS_EVENT_STOP,
48     STATS_EVENT_MAX
49 };
50
51 enum bnx2x_stats_state {
52     STATS_STATE_DISABLED = 0,
53     STATS_STATE_ENABLED,
54     STATS_STATE_MAX
55 };
56
57 struct bnx2x_eth_stats {
58     uint32_t total_bytes_received_hi;
59     uint32_t total_bytes_received_lo;
60     uint32_t total_bytes_transmitted_hi;
61     uint32_t total_bytes_transmitted_lo;
62     uint32_t total_unicast_packets_received_hi;
63     uint32_t total_unicast_packets_received_lo;
64     uint32_t total_multicast_packets_received_hi;
65     uint32_t total_multicast_packets_received_lo;
66     uint32_t total_broadcast_packets_received_hi;
67     uint32_t total_broadcast_packets_received_lo;
68     uint32_t total_unicast_packets_transmitted_hi;
69     uint32_t total_unicast_packets_transmitted_lo;
70     uint32_t total_multicast_packets_transmitted_hi;
71     uint32_t total_multicast_packets_transmitted_lo;
72     uint32_t total_broadcast_packets_transmitted_hi;
73     uint32_t total_broadcast_packets_transmitted_lo;
74     uint32_t valid_bytes_received_hi;
75     uint32_t valid_bytes_received_lo;
76
77     uint32_t error_bytes_received_hi;
78     uint32_t error_bytes_received_lo;
79     uint32_t etherstatsoverrsizepkts_hi;
80     uint32_t etherstatsoverrsizepkts_lo;
81     uint32_t no_buff_discard_hi;
82     uint32_t no_buff_discard_lo;
83
84     uint32_t rx_stat_ifhcinbadoctets_hi;
85     uint32_t rx_stat_ifhcinbadoctets_lo;
86     uint32_t tx_stat_ifhcoutbadoctets_hi;
87     uint32_t tx_stat_ifhcoutbadoctets_lo;
88     uint32_t rx_stat_dot3statsfcserrors_hi;
89     uint32_t rx_stat_dot3statsfcserrors_lo;
90     uint32_t rx_stat_dot3statsalignmenterrors_hi;
91     uint32_t rx_stat_dot3statsalignmenterrors_lo;
92     uint32_t rx_stat_dot3statscarriersenseerrors_hi;
93     uint32_t rx_stat_dot3statscarriersenseerrors_lo;
94     uint32_t rx_stat_falsecarriererrors_hi;
95     uint32_t rx_stat_falsecarriererrors_lo;
96     uint32_t rx_stat_etherstatsundersizepkts_hi;
97     uint32_t rx_stat_etherstatsundersizepkts_lo;
98     uint32_t rx_stat_dot3statsframestoolong_hi;
99     uint32_t rx_stat_dot3statsframestoolong_lo;
100     uint32_t rx_stat_etherstatsfragments_hi;
101     uint32_t rx_stat_etherstatsfragments_lo;
102     uint32_t rx_stat_etherstatsjabbers_hi;
103     uint32_t rx_stat_etherstatsjabbers_lo;
104     uint32_t rx_stat_maccontrolframesreceived_hi;
105     uint32_t rx_stat_maccontrolframesreceived_lo;
106     uint32_t rx_stat_bmac_xpf_hi;
107     uint32_t rx_stat_bmac_xpf_lo;
108     uint32_t rx_stat_bmac_xcf_hi;
109     uint32_t rx_stat_bmac_xcf_lo;
110     uint32_t rx_stat_xoffstateentered_hi;
111     uint32_t rx_stat_xoffstateentered_lo;
112     uint32_t rx_stat_xonpauseframesreceived_hi;
113     uint32_t rx_stat_xonpauseframesreceived_lo;
114     uint32_t rx_stat_xoffpauseframesreceived_hi;
115     uint32_t rx_stat_xoffpauseframesreceived_lo;
116     uint32_t tx_stat_outxonsent_hi;
117     uint32_t tx_stat_outxonsent_lo;
118     uint32_t tx_stat_outxoffsent_hi;
119     uint32_t tx_stat_outxoffsent_lo;
120     uint32_t tx_stat_flowcontroldone_hi;
121     uint32_t tx_stat_flowcontroldone_lo;
122     uint32_t tx_stat_etherstatscollisions_hi;
123     uint32_t tx_stat_etherstatscollisions_lo;
124     uint32_t tx_stat_dot3statssinglecollisionframes_hi;
125     uint32_t tx_stat_dot3statssinglecollisionframes_lo;
126     uint32_t tx_stat_dot3statsmultiplecollisionframes_hi;
127     uint32_t tx_stat_dot3statsmultiplecollisionframes_lo;
128     uint32_t tx_stat_dot3statsdeferredtransmissions_hi;
129     uint32_t tx_stat_dot3statsdeferredtransmissions_lo;
130     uint32_t tx_stat_dot3statsexcessivecollisions_hi;
131     uint32_t tx_stat_dot3statsexcessivecollisions_lo;
132     uint32_t tx_stat_dot3statslatecollisions_hi;
133     uint32_t tx_stat_dot3statslatecollisions_lo;
134     uint32_t tx_stat_etherstatspkts64octets_hi;
135     uint32_t tx_stat_etherstatspkts64octets_lo;
136     uint32_t tx_stat_etherstatspkts65octetsto127octets_hi;
137     uint32_t tx_stat_etherstatspkts65octetsto127octets_lo;
138     uint32_t tx_stat_etherstatspkts128octetsto255octets_hi;
139     uint32_t tx_stat_etherstatspkts128octetsto255octets_lo;
140     uint32_t tx_stat_etherstatspkts256octetsto511octets_hi;
141     uint32_t tx_stat_etherstatspkts256octetsto511octets_lo;
142     uint32_t tx_stat_etherstatspkts512octetsto1023octets_hi;
143     uint32_t tx_stat_etherstatspkts512octetsto1023octets_lo;
144     uint32_t tx_stat_etherstatspkts1024octetsto1522octets_hi;
145     uint32_t tx_stat_etherstatspkts1024octetsto1522octets_lo;
146     uint32_t tx_stat_etherstatspktsover1522octets_hi;
147     uint32_t tx_stat_etherstatspktsover1522octets_lo;
148     uint32_t tx_stat_bmac_2047_hi;
149     uint32_t tx_stat_bmac_2047_lo;
150     uint32_t tx_stat_bmac_4095_hi;
151     uint32_t tx_stat_bmac_4095_lo;
152     uint32_t tx_stat_bmac_9216_hi;
153     uint32_t tx_stat_bmac_9216_lo;
154     uint32_t tx_stat_bmac_16383_hi;
155     uint32_t tx_stat_bmac_16383_lo;
156     uint32_t tx_stat_dot3statsinternalmactransmiterrors_hi;
157     uint32_t tx_stat_dot3statsinternalmactransmiterrors_lo;
158     uint32_t tx_stat_bmac_ufl_hi;
159     uint32_t tx_stat_bmac_ufl_lo;
160
161     uint32_t pause_frames_received_hi;
162     uint32_t pause_frames_received_lo;
163     uint32_t pause_frames_sent_hi;
164     uint32_t pause_frames_sent_lo;
165
166     uint32_t etherstatspkts1024octetsto1522octets_hi;
167     uint32_t etherstatspkts1024octetsto1522octets_lo;
168     uint32_t etherstatspktsover1522octets_hi;
169     uint32_t etherstatspktsover1522octets_lo;
170
171     uint32_t brb_drop_hi;
172     uint32_t brb_drop_lo;
173     uint32_t brb_truncate_hi;
174     uint32_t brb_truncate_lo;
175
176     uint32_t mac_filter_discard;
177     uint32_t mf_tag_discard;
178     uint32_t brb_truncate_discard;
179     uint32_t mac_discard;
180
181     uint32_t nig_timer_max;
182
183     /* PFC */
184     uint32_t pfc_frames_received_hi;
185     uint32_t pfc_frames_received_lo;
186     uint32_t pfc_frames_sent_hi;
187     uint32_t pfc_frames_sent_lo;
188
189     /* Recovery */
190     uint32_t recoverable_error;
191     uint32_t unrecoverable_error;
192
193     /* src: Clear-on-Read register; Will not survive PMF Migration */
194     uint32_t eee_tx_lpi;
195
196     /* receive path driver statistics */
197     uint32_t rx_calls;
198     uint32_t rx_pkts;
199     uint32_t rx_soft_errors;
200     uint32_t rx_hw_csum_errors;
201     uint32_t rx_ofld_frames_csum_ip;
202     uint32_t rx_ofld_frames_csum_tcp_udp;
203     uint32_t rx_budget_reached;
204
205     /* tx path driver statistics */
206     uint32_t tx_pkts;
207     uint32_t tx_soft_errors;
208     uint32_t tx_ofld_frames_csum_ip;
209     uint32_t tx_ofld_frames_csum_tcp;
210     uint32_t tx_ofld_frames_csum_udp;
211     uint32_t tx_encap_failures;
212     uint32_t tx_hw_queue_full;
213     uint32_t tx_hw_max_queue_depth;
214     uint32_t tx_dma_mapping_failure;
215     uint32_t tx_max_drbr_queue_depth;
216     uint32_t tx_window_violation_std;
217     uint32_t tx_chain_lost_mbuf;
218     uint32_t tx_frames_deferred;
219     uint32_t tx_queue_xoff;
220
221     /* mbuf driver statistics */
222     uint32_t mbuf_defrag_attempts;
223     uint32_t mbuf_defrag_failures;
224     uint32_t mbuf_rx_bd_alloc_failed;
225     uint32_t mbuf_rx_bd_mapping_failed;
226
227     /* track the number of allocated mbufs */
228     uint32_t mbuf_alloc_tx;
229     uint32_t mbuf_alloc_rx;
230 };
231
232
233 struct bnx2x_eth_q_stats {
234     uint32_t total_unicast_bytes_received_hi;
235     uint32_t total_unicast_bytes_received_lo;
236     uint32_t total_broadcast_bytes_received_hi;
237     uint32_t total_broadcast_bytes_received_lo;
238     uint32_t total_multicast_bytes_received_hi;
239     uint32_t total_multicast_bytes_received_lo;
240     uint32_t total_bytes_received_hi;
241     uint32_t total_bytes_received_lo;
242     uint32_t total_unicast_bytes_transmitted_hi;
243     uint32_t total_unicast_bytes_transmitted_lo;
244     uint32_t total_broadcast_bytes_transmitted_hi;
245     uint32_t total_broadcast_bytes_transmitted_lo;
246     uint32_t total_multicast_bytes_transmitted_hi;
247     uint32_t total_multicast_bytes_transmitted_lo;
248     uint32_t total_bytes_transmitted_hi;
249     uint32_t total_bytes_transmitted_lo;
250     uint32_t total_unicast_packets_received_hi;
251     uint32_t total_unicast_packets_received_lo;
252     uint32_t total_multicast_packets_received_hi;
253     uint32_t total_multicast_packets_received_lo;
254     uint32_t total_broadcast_packets_received_hi;
255     uint32_t total_broadcast_packets_received_lo;
256     uint32_t total_unicast_packets_transmitted_hi;
257     uint32_t total_unicast_packets_transmitted_lo;
258     uint32_t total_multicast_packets_transmitted_hi;
259     uint32_t total_multicast_packets_transmitted_lo;
260     uint32_t total_broadcast_packets_transmitted_hi;
261     uint32_t total_broadcast_packets_transmitted_lo;
262     uint32_t valid_bytes_received_hi;
263     uint32_t valid_bytes_received_lo;
264
265     uint32_t etherstatsoverrsizepkts_hi;
266     uint32_t etherstatsoverrsizepkts_lo;
267     uint32_t no_buff_discard_hi;
268     uint32_t no_buff_discard_lo;
269
270     uint32_t total_packets_received_checksum_discarded_hi;
271     uint32_t total_packets_received_checksum_discarded_lo;
272     uint32_t total_packets_received_ttl0_discarded_hi;
273     uint32_t total_packets_received_ttl0_discarded_lo;
274     uint32_t total_transmitted_dropped_packets_error_hi;
275     uint32_t total_transmitted_dropped_packets_error_lo;
276
277     /* receive path driver statistics */
278     uint32_t rx_calls;
279     uint32_t rx_pkts;
280     uint32_t rx_soft_errors;
281     uint32_t rx_hw_csum_errors;
282     uint32_t rx_ofld_frames_csum_ip;
283     uint32_t rx_ofld_frames_csum_tcp_udp;
284     uint32_t rx_budget_reached;
285
286     /* tx path driver statistics */
287     uint32_t tx_pkts;
288     uint32_t tx_soft_errors;
289     uint32_t tx_ofld_frames_csum_ip;
290     uint32_t tx_ofld_frames_csum_tcp;
291     uint32_t tx_ofld_frames_csum_udp;
292     uint32_t tx_encap_failures;
293     uint32_t tx_hw_queue_full;
294     uint32_t tx_hw_max_queue_depth;
295     uint32_t tx_dma_mapping_failure;
296     uint32_t tx_max_drbr_queue_depth;
297     uint32_t tx_window_violation_std;
298     uint32_t tx_chain_lost_mbuf;
299     uint32_t tx_frames_deferred;
300     uint32_t tx_queue_xoff;
301
302     /* mbuf driver statistics */
303     uint32_t mbuf_defrag_attempts;
304     uint32_t mbuf_defrag_failures;
305     uint32_t mbuf_rx_bd_alloc_failed;
306     uint32_t mbuf_rx_bd_mapping_failed;
307
308     /* track the number of allocated mbufs */
309     uint32_t mbuf_alloc_tx;
310     uint32_t mbuf_alloc_rx;
311 };
312
313 struct bnx2x_eth_stats_old {
314     uint32_t rx_stat_dot3statsframestoolong_hi;
315     uint32_t rx_stat_dot3statsframestoolong_lo;
316 };
317
318 struct bnx2x_eth_q_stats_old {
319     /* Fields to perserve over fw reset*/
320     uint32_t total_unicast_bytes_received_hi;
321     uint32_t total_unicast_bytes_received_lo;
322     uint32_t total_broadcast_bytes_received_hi;
323     uint32_t total_broadcast_bytes_received_lo;
324     uint32_t total_multicast_bytes_received_hi;
325     uint32_t total_multicast_bytes_received_lo;
326     uint32_t total_unicast_bytes_transmitted_hi;
327     uint32_t total_unicast_bytes_transmitted_lo;
328     uint32_t total_broadcast_bytes_transmitted_hi;
329     uint32_t total_broadcast_bytes_transmitted_lo;
330     uint32_t total_multicast_bytes_transmitted_hi;
331     uint32_t total_multicast_bytes_transmitted_lo;
332
333     /* Fields to perserve last of */
334     uint32_t total_bytes_received_hi;
335     uint32_t total_bytes_received_lo;
336     uint32_t total_bytes_transmitted_hi;
337     uint32_t total_bytes_transmitted_lo;
338     uint32_t total_unicast_packets_received_hi;
339     uint32_t total_unicast_packets_received_lo;
340     uint32_t total_multicast_packets_received_hi;
341     uint32_t total_multicast_packets_received_lo;
342     uint32_t total_broadcast_packets_received_hi;
343     uint32_t total_broadcast_packets_received_lo;
344     uint32_t total_unicast_packets_transmitted_hi;
345     uint32_t total_unicast_packets_transmitted_lo;
346     uint32_t total_multicast_packets_transmitted_hi;
347     uint32_t total_multicast_packets_transmitted_lo;
348     uint32_t total_broadcast_packets_transmitted_hi;
349     uint32_t total_broadcast_packets_transmitted_lo;
350     uint32_t valid_bytes_received_hi;
351     uint32_t valid_bytes_received_lo;
352
353     /* receive path driver statistics */
354     uint32_t rx_calls_old;
355     uint32_t rx_pkts_old;
356     uint32_t rx_soft_errors_old;
357     uint32_t rx_hw_csum_errors_old;
358     uint32_t rx_ofld_frames_csum_ip_old;
359     uint32_t rx_ofld_frames_csum_tcp_udp_old;
360     uint32_t rx_budget_reached_old;
361
362     /* tx path driver statistics */
363     uint32_t tx_pkts_old;
364     uint32_t tx_soft_errors_old;
365     uint32_t tx_ofld_frames_csum_ip_old;
366     uint32_t tx_ofld_frames_csum_tcp_old;
367     uint32_t tx_ofld_frames_csum_udp_old;
368     uint32_t tx_encap_failures_old;
369     uint32_t tx_hw_queue_full_old;
370     uint32_t tx_hw_max_queue_depth_old;
371     uint32_t tx_dma_mapping_failure_old;
372     uint32_t tx_max_drbr_queue_depth_old;
373     uint32_t tx_window_violation_std_old;
374     uint32_t tx_chain_lost_mbuf_old;
375     uint32_t tx_frames_deferred_old;
376     uint32_t tx_queue_xoff_old;
377
378     /* mbuf driver statistics */
379     uint32_t mbuf_defrag_attempts_old;
380     uint32_t mbuf_defrag_failures_old;
381     uint32_t mbuf_rx_bd_alloc_failed_old;
382     uint32_t mbuf_rx_bd_mapping_failed_old;
383
384     /* track the number of allocated mbufs */
385     int mbuf_alloc_tx_old;
386     int mbuf_alloc_rx_old;
387 };
388
389 struct bnx2x_net_stats_old {
390     uint32_t rx_dropped;
391 };
392
393 struct bnx2x_fw_port_stats_old {
394     uint32_t pfc_frames_tx_hi;
395     uint32_t pfc_frames_tx_lo;
396     uint32_t pfc_frames_rx_hi;
397     uint32_t pfc_frames_rx_lo;
398
399     uint32_t mac_filter_discard;
400     uint32_t mf_tag_discard;
401     uint32_t brb_truncate_discard;
402     uint32_t mac_discard;
403 };
404
405 /* sum[hi:lo] += add[hi:lo] */
406 #define ADD_64(s_hi, a_hi, s_lo, a_lo)          \
407     do {                                        \
408         s_lo += a_lo;                           \
409         s_hi += a_hi + ((s_lo < a_lo) ? 1 : 0); \
410     } while (0)
411
412 #define LE32_0 ((uint32_t) 0)
413 #define LE16_0 ((uint16_t) 0)
414
415 /* The _force is for cases where high value is 0 */
416 #define ADD_64_LE(s_hi, a_hi_le, s_lo, a_lo_le) \
417         ADD_64(s_hi, le32toh(a_hi_le),          \
418                s_lo, le32toh(a_lo_le))
419
420 #define ADD_64_LE16(s_hi, a_hi_le, s_lo, a_lo_le) \
421         ADD_64(s_hi, le16toh(a_hi_le),            \
422                s_lo, le16toh(a_lo_le))
423
424 /* difference = minuend - subtrahend */
425 #define DIFF_64(d_hi, m_hi, s_hi, d_lo, m_lo, s_lo)  \
426     do {                                             \
427         if (m_lo < s_lo) {                           \
428             /* underflow */                          \
429             d_hi = m_hi - s_hi;                      \
430             if (d_hi > 0) {                          \
431                 /* we can 'loan' 1 */                \
432                 d_hi--;                              \
433                 d_lo = m_lo + (UINT_MAX - s_lo) + 1; \
434             } else {                                 \
435                 /* m_hi <= s_hi */                   \
436                 d_hi = 0;                            \
437                 d_lo = 0;                            \
438             }                                        \
439         } else {                                     \
440             /* m_lo >= s_lo */                       \
441             if (m_hi < s_hi) {                       \
442                 d_hi = 0;                            \
443                 d_lo = 0;                            \
444             } else {                                 \
445                 /* m_hi >= s_hi */                   \
446                 d_hi = m_hi - s_hi;                  \
447                 d_lo = m_lo - s_lo;                  \
448             }                                        \
449         }                                            \
450     } while (0)
451
452 #define UPDATE_STAT64(s, t)                                      \
453     do {                                                         \
454         DIFF_64(diff.hi, new->s##_hi, pstats->mac_stx[0].t##_hi, \
455             diff.lo, new->s##_lo, pstats->mac_stx[0].t##_lo);    \
456         pstats->mac_stx[0].t##_hi = new->s##_hi;                 \
457         pstats->mac_stx[0].t##_lo = new->s##_lo;                 \
458         ADD_64(pstats->mac_stx[1].t##_hi, diff.hi,               \
459                pstats->mac_stx[1].t##_lo, diff.lo);              \
460     } while (0)
461
462 #define UPDATE_STAT64_NIG(s, t)                    \
463     do {                                           \
464         DIFF_64(diff.hi, new->s##_hi, old->s##_hi, \
465             diff.lo, new->s##_lo, old->s##_lo);    \
466         ADD_64(estats->t##_hi, diff.hi,            \
467                estats->t##_lo, diff.lo);           \
468     } while (0)
469
470 /* sum[hi:lo] += add */
471 #define ADD_EXTEND_64(s_hi, s_lo, a) \
472     do {                             \
473         s_lo += a;                   \
474         s_hi += (s_lo < a) ? 1 : 0;  \
475     } while (0)
476
477 #define ADD_STAT64(diff, t)                                \
478     do {                                                   \
479         ADD_64(pstats->mac_stx[1].t##_hi, new->diff##_hi,  \
480                pstats->mac_stx[1].t##_lo, new->diff##_lo); \
481     } while (0)
482
483 #define UPDATE_EXTEND_STAT(s)                    \
484     do {                                         \
485         ADD_EXTEND_64(pstats->mac_stx[1].s##_hi, \
486                   pstats->mac_stx[1].s##_lo,     \
487                   new->s);                       \
488     } while (0)
489
490 #define UPDATE_EXTEND_TSTAT_X(s, t, size)                    \
491     do {                                                     \
492         diff = le##size##toh(tclient->s) -                   \
493                le##size##toh(old_tclient->s);                \
494         old_tclient->s = tclient->s;                         \
495         ADD_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff); \
496     } while (0)
497
498 #define UPDATE_EXTEND_TSTAT(s, t) UPDATE_EXTEND_TSTAT_X(s, t, 32)
499
500 #define UPDATE_EXTEND_E_TSTAT(s, t, size)                    \
501     do {                                                     \
502         UPDATE_EXTEND_TSTAT_X(s, t, size);                   \
503         ADD_EXTEND_64(estats->t##_hi, estats->t##_lo, diff); \
504     } while (0)
505
506 #define UPDATE_EXTEND_USTAT(s, t)                             \
507     do {                                                      \
508         diff = le32toh(uclient->s) - le32toh(old_uclient->s); \
509         old_uclient->s = uclient->s;                          \
510         ADD_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff);  \
511     } while (0)
512
513 #define UPDATE_EXTEND_E_USTAT(s, t)                          \
514     do {                                                     \
515         UPDATE_EXTEND_USTAT(s, t);                           \
516         ADD_EXTEND_64(estats->t##_hi, estats->t##_lo, diff); \
517     } while (0)
518
519 #define UPDATE_EXTEND_XSTAT(s, t)                             \
520     do {                                                      \
521         diff = le32toh(xclient->s) - le32toh(old_xclient->s); \
522         old_xclient->s = xclient->s;                          \
523         ADD_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff);  \
524     } while (0)
525
526 #define UPDATE_QSTAT(s, t)                                   \
527     do {                                                     \
528         qstats->t##_hi = qstats_old->t##_hi + le32toh(s.hi); \
529         qstats->t##_lo = qstats_old->t##_lo + le32toh(s.lo); \
530     } while (0)
531
532 #define UPDATE_QSTAT_OLD(f)        \
533     do {                           \
534         qstats_old->f = qstats->f; \
535     } while (0)
536
537 #define UPDATE_ESTAT_QSTAT_64(s)                        \
538     do {                                                \
539         ADD_64(estats->s##_hi, qstats->s##_hi,          \
540                estats->s##_lo, qstats->s##_lo);         \
541         SUB_64(estats->s##_hi, qstats_old->s##_hi_old,  \
542                estats->s##_lo, qstats_old->s##_lo_old); \
543         qstats_old->s##_hi_old = qstats->s##_hi;        \
544         qstats_old->s##_lo_old = qstats->s##_lo;        \
545     } while (0)
546
547 #define UPDATE_ESTAT_QSTAT(s)             \
548     do {                                  \
549         estats->s += qstats->s;           \
550         estats->s -= qstats_old->s##_old; \
551         qstats_old->s##_old = qstats->s;  \
552     } while (0)
553
554 #define UPDATE_FSTAT_QSTAT(s)                       \
555     do {                                            \
556         ADD_64(fstats->s##_hi, qstats->s##_hi,      \
557                fstats->s##_lo, qstats->s##_lo);     \
558         SUB_64(fstats->s##_hi, qstats_old->s##_hi,  \
559                fstats->s##_lo, qstats_old->s##_lo); \
560         estats->s##_hi = fstats->s##_hi;            \
561         estats->s##_lo = fstats->s##_lo;            \
562         qstats_old->s##_hi = qstats->s##_hi;        \
563         qstats_old->s##_lo = qstats->s##_lo;        \
564     } while (0)
565
566 #define UPDATE_FW_STAT(s)                           \
567     do {                                            \
568         estats->s = le32toh(tport->s) + fwstats->s; \
569     } while (0)
570
571 #define UPDATE_FW_STAT_OLD(f)   \
572     do {                        \
573         fwstats->f = estats->f; \
574     } while (0)
575
576 #define UPDATE_ESTAT(s, t)                          \
577     do {                                            \
578         SUB_64(estats->s##_hi, estats_old->t##_hi,  \
579                estats->s##_lo, estats_old->t##_lo); \
580         ADD_64(estats->s##_hi, estats->t##_hi,      \
581                estats->s##_lo, estats->t##_lo);     \
582         estats_old->t##_hi = estats->t##_hi;        \
583         estats_old->t##_lo = estats->t##_lo;        \
584     } while (0)
585
586 /* minuend -= subtrahend */
587 #define SUB_64(m_hi, s_hi, m_lo, s_lo)               \
588     do {                                             \
589         DIFF_64(m_hi, m_hi, s_hi, m_lo, m_lo, s_lo); \
590     } while (0)
591
592 /* minuend[hi:lo] -= subtrahend */
593 #define SUB_EXTEND_64(m_hi, m_lo, s)    \
594     do {                                \
595         uint32_t s_hi = 0;              \
596         SUB_64(m_hi, s_hi, m_lo, s);    \
597     } while (0)
598
599 #define SUB_EXTEND_USTAT(s, t)                                \
600     do {                                                      \
601         diff = le32toh(uclient->s) - le32toh(old_uclient->s); \
602         SUB_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff);  \
603     } while (0)
604
605 struct bnx2x_softc;
606 void bnx2x_stats_init(struct bnx2x_softc *sc);
607 void bnx2x_stats_handle(struct bnx2x_softc *sc, enum bnx2x_stats_event event);
608 void bnx2x_save_statistics(struct bnx2x_softc *sc);
609 void bnx2x_memset_stats(struct bnx2x_softc *sc);
610
611 #endif /* BNX2X_STATS_H */