Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[pandora-kernel.git] / drivers / net / bnx2x / bnx2x_stats.h
1 /* bnx2x_stats.h: Broadcom Everest network driver.
2  *
3  * Copyright (c) 2007-2011 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
198
199 struct bnx2x_eth_q_stats {
200         u32 total_unicast_bytes_received_hi;
201         u32 total_unicast_bytes_received_lo;
202         u32 total_broadcast_bytes_received_hi;
203         u32 total_broadcast_bytes_received_lo;
204         u32 total_multicast_bytes_received_hi;
205         u32 total_multicast_bytes_received_lo;
206         u32 total_bytes_received_hi;
207         u32 total_bytes_received_lo;
208         u32 total_unicast_bytes_transmitted_hi;
209         u32 total_unicast_bytes_transmitted_lo;
210         u32 total_broadcast_bytes_transmitted_hi;
211         u32 total_broadcast_bytes_transmitted_lo;
212         u32 total_multicast_bytes_transmitted_hi;
213         u32 total_multicast_bytes_transmitted_lo;
214         u32 total_bytes_transmitted_hi;
215         u32 total_bytes_transmitted_lo;
216         u32 total_unicast_packets_received_hi;
217         u32 total_unicast_packets_received_lo;
218         u32 total_multicast_packets_received_hi;
219         u32 total_multicast_packets_received_lo;
220         u32 total_broadcast_packets_received_hi;
221         u32 total_broadcast_packets_received_lo;
222         u32 total_unicast_packets_transmitted_hi;
223         u32 total_unicast_packets_transmitted_lo;
224         u32 total_multicast_packets_transmitted_hi;
225         u32 total_multicast_packets_transmitted_lo;
226         u32 total_broadcast_packets_transmitted_hi;
227         u32 total_broadcast_packets_transmitted_lo;
228         u32 valid_bytes_received_hi;
229         u32 valid_bytes_received_lo;
230
231         u32 etherstatsoverrsizepkts_hi;
232         u32 etherstatsoverrsizepkts_lo;
233         u32 no_buff_discard_hi;
234         u32 no_buff_discard_lo;
235
236         u32 driver_xoff;
237         u32 rx_err_discard_pkt;
238         u32 rx_skb_alloc_failed;
239         u32 hw_csum_err;
240
241         u32 total_packets_received_checksum_discarded_hi;
242         u32 total_packets_received_checksum_discarded_lo;
243         u32 total_packets_received_ttl0_discarded_hi;
244         u32 total_packets_received_ttl0_discarded_lo;
245         u32 total_transmitted_dropped_packets_error_hi;
246         u32 total_transmitted_dropped_packets_error_lo;
247
248         /* TPA */
249         u32 total_tpa_aggregations_hi;
250         u32 total_tpa_aggregations_lo;
251         u32 total_tpa_aggregated_frames_hi;
252         u32 total_tpa_aggregated_frames_lo;
253         u32 total_tpa_bytes_hi;
254         u32 total_tpa_bytes_lo;
255 };
256
257 /****************************************************************************
258 * Macros
259 ****************************************************************************/
260
261 /* sum[hi:lo] += add[hi:lo] */
262 #define ADD_64(s_hi, a_hi, s_lo, a_lo) \
263         do { \
264                 s_lo += a_lo; \
265                 s_hi += a_hi + ((s_lo < a_lo) ? 1 : 0); \
266         } while (0)
267
268 /* difference = minuend - subtrahend */
269 #define DIFF_64(d_hi, m_hi, s_hi, d_lo, m_lo, s_lo) \
270         do { \
271                 if (m_lo < s_lo) { \
272                         /* underflow */ \
273                         d_hi = m_hi - s_hi; \
274                         if (d_hi > 0) { \
275                                 /* we can 'loan' 1 */ \
276                                 d_hi--; \
277                                 d_lo = m_lo + (UINT_MAX - s_lo) + 1; \
278                         } else { \
279                                 /* m_hi <= s_hi */ \
280                                 d_hi = 0; \
281                                 d_lo = 0; \
282                         } \
283                 } else { \
284                         /* m_lo >= s_lo */ \
285                         if (m_hi < s_hi) { \
286                                 d_hi = 0; \
287                                 d_lo = 0; \
288                         } else { \
289                                 /* m_hi >= s_hi */ \
290                                 d_hi = m_hi - s_hi; \
291                                 d_lo = m_lo - s_lo; \
292                         } \
293                 } \
294         } while (0)
295
296 #define UPDATE_STAT64(s, t) \
297         do { \
298                 DIFF_64(diff.hi, new->s##_hi, pstats->mac_stx[0].t##_hi, \
299                         diff.lo, new->s##_lo, pstats->mac_stx[0].t##_lo); \
300                 pstats->mac_stx[0].t##_hi = new->s##_hi; \
301                 pstats->mac_stx[0].t##_lo = new->s##_lo; \
302                 ADD_64(pstats->mac_stx[1].t##_hi, diff.hi, \
303                        pstats->mac_stx[1].t##_lo, diff.lo); \
304         } while (0)
305
306 #define UPDATE_STAT64_NIG(s, t) \
307         do { \
308                 DIFF_64(diff.hi, new->s##_hi, old->s##_hi, \
309                         diff.lo, new->s##_lo, old->s##_lo); \
310                 ADD_64(estats->t##_hi, diff.hi, \
311                        estats->t##_lo, diff.lo); \
312         } while (0)
313
314 /* sum[hi:lo] += add */
315 #define ADD_EXTEND_64(s_hi, s_lo, a) \
316         do { \
317                 s_lo += a; \
318                 s_hi += (s_lo < a) ? 1 : 0; \
319         } while (0)
320
321 #define ADD_STAT64(diff, t) \
322         do { \
323                 ADD_64(pstats->mac_stx[1].t##_hi, new->diff##_hi, \
324                        pstats->mac_stx[1].t##_lo, new->diff##_lo); \
325         } while (0)
326
327 #define UPDATE_EXTEND_STAT(s) \
328         do { \
329                 ADD_EXTEND_64(pstats->mac_stx[1].s##_hi, \
330                               pstats->mac_stx[1].s##_lo, \
331                               new->s); \
332         } while (0)
333
334 #define UPDATE_EXTEND_TSTAT(s, t) \
335         do { \
336                 diff = le32_to_cpu(tclient->s) - le32_to_cpu(old_tclient->s); \
337                 old_tclient->s = tclient->s; \
338                 ADD_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff); \
339         } while (0)
340
341 #define UPDATE_EXTEND_USTAT(s, t) \
342         do { \
343                 diff = le32_to_cpu(uclient->s) - le32_to_cpu(old_uclient->s); \
344                 old_uclient->s = uclient->s; \
345                 ADD_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff); \
346         } while (0)
347
348 #define UPDATE_EXTEND_XSTAT(s, t) \
349         do { \
350                 diff = le32_to_cpu(xclient->s) - le32_to_cpu(old_xclient->s); \
351                 old_xclient->s = xclient->s; \
352                 ADD_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff); \
353         } while (0)
354
355 /* minuend -= subtrahend */
356 #define SUB_64(m_hi, s_hi, m_lo, s_lo) \
357         do { \
358                 DIFF_64(m_hi, m_hi, s_hi, m_lo, m_lo, s_lo); \
359         } while (0)
360
361 /* minuend[hi:lo] -= subtrahend */
362 #define SUB_EXTEND_64(m_hi, m_lo, s) \
363         do { \
364                 SUB_64(m_hi, 0, m_lo, s); \
365         } while (0)
366
367 #define SUB_EXTEND_USTAT(s, t) \
368         do { \
369                 diff = le32_to_cpu(uclient->s) - le32_to_cpu(old_uclient->s); \
370                 SUB_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff); \
371         } while (0)
372
373
374 /* forward */
375 struct bnx2x;
376
377 void bnx2x_stats_init(struct bnx2x *bp);
378
379 void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event);
380
381 #endif /* BNX2X_STATS_H */