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 	/* 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 
204 
205 struct bnx2x_eth_q_stats {
206 	u32 total_unicast_bytes_received_hi;
207 	u32 total_unicast_bytes_received_lo;
208 	u32 total_broadcast_bytes_received_hi;
209 	u32 total_broadcast_bytes_received_lo;
210 	u32 total_multicast_bytes_received_hi;
211 	u32 total_multicast_bytes_received_lo;
212 	u32 total_bytes_received_hi;
213 	u32 total_bytes_received_lo;
214 	u32 total_unicast_bytes_transmitted_hi;
215 	u32 total_unicast_bytes_transmitted_lo;
216 	u32 total_broadcast_bytes_transmitted_hi;
217 	u32 total_broadcast_bytes_transmitted_lo;
218 	u32 total_multicast_bytes_transmitted_hi;
219 	u32 total_multicast_bytes_transmitted_lo;
220 	u32 total_bytes_transmitted_hi;
221 	u32 total_bytes_transmitted_lo;
222 	u32 total_unicast_packets_received_hi;
223 	u32 total_unicast_packets_received_lo;
224 	u32 total_multicast_packets_received_hi;
225 	u32 total_multicast_packets_received_lo;
226 	u32 total_broadcast_packets_received_hi;
227 	u32 total_broadcast_packets_received_lo;
228 	u32 total_unicast_packets_transmitted_hi;
229 	u32 total_unicast_packets_transmitted_lo;
230 	u32 total_multicast_packets_transmitted_hi;
231 	u32 total_multicast_packets_transmitted_lo;
232 	u32 total_broadcast_packets_transmitted_hi;
233 	u32 total_broadcast_packets_transmitted_lo;
234 	u32 valid_bytes_received_hi;
235 	u32 valid_bytes_received_lo;
236 
237 	u32 etherstatsoverrsizepkts_hi;
238 	u32 etherstatsoverrsizepkts_lo;
239 	u32 no_buff_discard_hi;
240 	u32 no_buff_discard_lo;
241 
242 	u32 driver_xoff;
243 	u32 rx_err_discard_pkt;
244 	u32 rx_skb_alloc_failed;
245 	u32 hw_csum_err;
246 
247 	u32 total_packets_received_checksum_discarded_hi;
248 	u32 total_packets_received_checksum_discarded_lo;
249 	u32 total_packets_received_ttl0_discarded_hi;
250 	u32 total_packets_received_ttl0_discarded_lo;
251 	u32 total_transmitted_dropped_packets_error_hi;
252 	u32 total_transmitted_dropped_packets_error_lo;
253 
254 	/* TPA */
255 	u32 total_tpa_aggregations_hi;
256 	u32 total_tpa_aggregations_lo;
257 	u32 total_tpa_aggregated_frames_hi;
258 	u32 total_tpa_aggregated_frames_lo;
259 	u32 total_tpa_bytes_hi;
260 	u32 total_tpa_bytes_lo;
261 };
262 
263 /****************************************************************************
264 * Macros
265 ****************************************************************************/
266 
267 /* sum[hi:lo] += add[hi:lo] */
268 #define ADD_64(s_hi, a_hi, s_lo, a_lo) \
269 	do { \
270 		s_lo += a_lo; \
271 		s_hi += a_hi + ((s_lo < a_lo) ? 1 : 0); \
272 	} while (0)
273 
274 /* difference = minuend - subtrahend */
275 #define DIFF_64(d_hi, m_hi, s_hi, d_lo, m_lo, s_lo) \
276 	do { \
277 		if (m_lo < s_lo) { \
278 			/* underflow */ \
279 			d_hi = m_hi - s_hi; \
280 			if (d_hi > 0) { \
281 				/* we can 'loan' 1 */ \
282 				d_hi--; \
283 				d_lo = m_lo + (UINT_MAX - s_lo) + 1; \
284 			} else { \
285 				/* m_hi <= s_hi */ \
286 				d_hi = 0; \
287 				d_lo = 0; \
288 			} \
289 		} else { \
290 			/* m_lo >= s_lo */ \
291 			if (m_hi < s_hi) { \
292 				d_hi = 0; \
293 				d_lo = 0; \
294 			} else { \
295 				/* m_hi >= s_hi */ \
296 				d_hi = m_hi - s_hi; \
297 				d_lo = m_lo - s_lo; \
298 			} \
299 		} \
300 	} while (0)
301 
302 #define UPDATE_STAT64(s, t) \
303 	do { \
304 		DIFF_64(diff.hi, new->s##_hi, pstats->mac_stx[0].t##_hi, \
305 			diff.lo, new->s##_lo, pstats->mac_stx[0].t##_lo); \
306 		pstats->mac_stx[0].t##_hi = new->s##_hi; \
307 		pstats->mac_stx[0].t##_lo = new->s##_lo; \
308 		ADD_64(pstats->mac_stx[1].t##_hi, diff.hi, \
309 		       pstats->mac_stx[1].t##_lo, diff.lo); \
310 	} while (0)
311 
312 #define UPDATE_STAT64_NIG(s, t) \
313 	do { \
314 		DIFF_64(diff.hi, new->s##_hi, old->s##_hi, \
315 			diff.lo, new->s##_lo, old->s##_lo); \
316 		ADD_64(estats->t##_hi, diff.hi, \
317 		       estats->t##_lo, diff.lo); \
318 	} while (0)
319 
320 /* sum[hi:lo] += add */
321 #define ADD_EXTEND_64(s_hi, s_lo, a) \
322 	do { \
323 		s_lo += a; \
324 		s_hi += (s_lo < a) ? 1 : 0; \
325 	} while (0)
326 
327 #define ADD_STAT64(diff, t) \
328 	do { \
329 		ADD_64(pstats->mac_stx[1].t##_hi, new->diff##_hi, \
330 		       pstats->mac_stx[1].t##_lo, new->diff##_lo); \
331 	} while (0)
332 
333 #define UPDATE_EXTEND_STAT(s) \
334 	do { \
335 		ADD_EXTEND_64(pstats->mac_stx[1].s##_hi, \
336 			      pstats->mac_stx[1].s##_lo, \
337 			      new->s); \
338 	} while (0)
339 
340 #define UPDATE_EXTEND_TSTAT(s, t) \
341 	do { \
342 		diff = le32_to_cpu(tclient->s) - le32_to_cpu(old_tclient->s); \
343 		old_tclient->s = tclient->s; \
344 		ADD_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff); \
345 	} while (0)
346 
347 #define UPDATE_EXTEND_USTAT(s, t) \
348 	do { \
349 		diff = le32_to_cpu(uclient->s) - le32_to_cpu(old_uclient->s); \
350 		old_uclient->s = uclient->s; \
351 		ADD_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff); \
352 	} while (0)
353 
354 #define UPDATE_EXTEND_XSTAT(s, t) \
355 	do { \
356 		diff = le32_to_cpu(xclient->s) - le32_to_cpu(old_xclient->s); \
357 		old_xclient->s = xclient->s; \
358 		ADD_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff); \
359 	} while (0)
360 
361 /* minuend -= subtrahend */
362 #define SUB_64(m_hi, s_hi, m_lo, s_lo) \
363 	do { \
364 		DIFF_64(m_hi, m_hi, s_hi, m_lo, m_lo, s_lo); \
365 	} while (0)
366 
367 /* minuend[hi:lo] -= subtrahend */
368 #define SUB_EXTEND_64(m_hi, m_lo, s) \
369 	do { \
370 		SUB_64(m_hi, 0, m_lo, s); \
371 	} while (0)
372 
373 #define SUB_EXTEND_USTAT(s, t) \
374 	do { \
375 		diff = le32_to_cpu(uclient->s) - le32_to_cpu(old_uclient->s); \
376 		SUB_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff); \
377 	} while (0)
378 
379 
380 /* forward */
381 struct bnx2x;
382 
383 void bnx2x_stats_init(struct bnx2x *bp);
384 
385 void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event);
386 
387 #endif /* BNX2X_STATS_H */
388