cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

bnx2x_stats.h (16236B)


      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	struct_group(egress_mac_pkt0,
     40		u32 egress_mac_pkt0_lo;
     41		u32 egress_mac_pkt0_hi;
     42	);
     43	struct_group(egress_mac_pkt1,
     44		u32 egress_mac_pkt1_lo;
     45		u32 egress_mac_pkt1_hi;
     46	);
     47};
     48
     49enum bnx2x_stats_event {
     50	STATS_EVENT_PMF = 0,
     51	STATS_EVENT_LINK_UP,
     52	STATS_EVENT_UPDATE,
     53	STATS_EVENT_STOP,
     54	STATS_EVENT_MAX
     55};
     56
     57enum bnx2x_stats_state {
     58	STATS_STATE_DISABLED = 0,
     59	STATS_STATE_ENABLED,
     60	STATS_STATE_MAX
     61};
     62
     63struct bnx2x_eth_stats {
     64	u32 total_bytes_received_hi;
     65	u32 total_bytes_received_lo;
     66	u32 total_bytes_transmitted_hi;
     67	u32 total_bytes_transmitted_lo;
     68	u32 total_unicast_packets_received_hi;
     69	u32 total_unicast_packets_received_lo;
     70	u32 total_multicast_packets_received_hi;
     71	u32 total_multicast_packets_received_lo;
     72	u32 total_broadcast_packets_received_hi;
     73	u32 total_broadcast_packets_received_lo;
     74	u32 total_unicast_packets_transmitted_hi;
     75	u32 total_unicast_packets_transmitted_lo;
     76	u32 total_multicast_packets_transmitted_hi;
     77	u32 total_multicast_packets_transmitted_lo;
     78	u32 total_broadcast_packets_transmitted_hi;
     79	u32 total_broadcast_packets_transmitted_lo;
     80	u32 valid_bytes_received_hi;
     81	u32 valid_bytes_received_lo;
     82
     83	u32 error_bytes_received_hi;
     84	u32 error_bytes_received_lo;
     85	u32 etherstatsoverrsizepkts_hi;
     86	u32 etherstatsoverrsizepkts_lo;
     87	u32 no_buff_discard_hi;
     88	u32 no_buff_discard_lo;
     89
     90	struct_group(shared,
     91	u32 rx_stat_ifhcinbadoctets_hi;
     92	u32 rx_stat_ifhcinbadoctets_lo;
     93	u32 tx_stat_ifhcoutbadoctets_hi;
     94	u32 tx_stat_ifhcoutbadoctets_lo;
     95	u32 rx_stat_dot3statsfcserrors_hi;
     96	u32 rx_stat_dot3statsfcserrors_lo;
     97	u32 rx_stat_dot3statsalignmenterrors_hi;
     98	u32 rx_stat_dot3statsalignmenterrors_lo;
     99	u32 rx_stat_dot3statscarriersenseerrors_hi;
    100	u32 rx_stat_dot3statscarriersenseerrors_lo;
    101	u32 rx_stat_falsecarriererrors_hi;
    102	u32 rx_stat_falsecarriererrors_lo;
    103	u32 rx_stat_etherstatsundersizepkts_hi;
    104	u32 rx_stat_etherstatsundersizepkts_lo;
    105	u32 rx_stat_dot3statsframestoolong_hi;
    106	u32 rx_stat_dot3statsframestoolong_lo;
    107	u32 rx_stat_etherstatsfragments_hi;
    108	u32 rx_stat_etherstatsfragments_lo;
    109	u32 rx_stat_etherstatsjabbers_hi;
    110	u32 rx_stat_etherstatsjabbers_lo;
    111	u32 rx_stat_maccontrolframesreceived_hi;
    112	u32 rx_stat_maccontrolframesreceived_lo;
    113	u32 rx_stat_bmac_xpf_hi;
    114	u32 rx_stat_bmac_xpf_lo;
    115	u32 rx_stat_bmac_xcf_hi;
    116	u32 rx_stat_bmac_xcf_lo;
    117	u32 rx_stat_xoffstateentered_hi;
    118	u32 rx_stat_xoffstateentered_lo;
    119	u32 rx_stat_xonpauseframesreceived_hi;
    120	u32 rx_stat_xonpauseframesreceived_lo;
    121	u32 rx_stat_xoffpauseframesreceived_hi;
    122	u32 rx_stat_xoffpauseframesreceived_lo;
    123	u32 tx_stat_outxonsent_hi;
    124	u32 tx_stat_outxonsent_lo;
    125	u32 tx_stat_outxoffsent_hi;
    126	u32 tx_stat_outxoffsent_lo;
    127	u32 tx_stat_flowcontroldone_hi;
    128	u32 tx_stat_flowcontroldone_lo;
    129	u32 tx_stat_etherstatscollisions_hi;
    130	u32 tx_stat_etherstatscollisions_lo;
    131	u32 tx_stat_dot3statssinglecollisionframes_hi;
    132	u32 tx_stat_dot3statssinglecollisionframes_lo;
    133	u32 tx_stat_dot3statsmultiplecollisionframes_hi;
    134	u32 tx_stat_dot3statsmultiplecollisionframes_lo;
    135	u32 tx_stat_dot3statsdeferredtransmissions_hi;
    136	u32 tx_stat_dot3statsdeferredtransmissions_lo;
    137	u32 tx_stat_dot3statsexcessivecollisions_hi;
    138	u32 tx_stat_dot3statsexcessivecollisions_lo;
    139	u32 tx_stat_dot3statslatecollisions_hi;
    140	u32 tx_stat_dot3statslatecollisions_lo;
    141	u32 tx_stat_etherstatspkts64octets_hi;
    142	u32 tx_stat_etherstatspkts64octets_lo;
    143	u32 tx_stat_etherstatspkts65octetsto127octets_hi;
    144	u32 tx_stat_etherstatspkts65octetsto127octets_lo;
    145	u32 tx_stat_etherstatspkts128octetsto255octets_hi;
    146	u32 tx_stat_etherstatspkts128octetsto255octets_lo;
    147	u32 tx_stat_etherstatspkts256octetsto511octets_hi;
    148	u32 tx_stat_etherstatspkts256octetsto511octets_lo;
    149	u32 tx_stat_etherstatspkts512octetsto1023octets_hi;
    150	u32 tx_stat_etherstatspkts512octetsto1023octets_lo;
    151	u32 tx_stat_etherstatspkts1024octetsto1522octets_hi;
    152	u32 tx_stat_etherstatspkts1024octetsto1522octets_lo;
    153	u32 tx_stat_etherstatspktsover1522octets_hi;
    154	u32 tx_stat_etherstatspktsover1522octets_lo;
    155	u32 tx_stat_bmac_2047_hi;
    156	u32 tx_stat_bmac_2047_lo;
    157	u32 tx_stat_bmac_4095_hi;
    158	u32 tx_stat_bmac_4095_lo;
    159	u32 tx_stat_bmac_9216_hi;
    160	u32 tx_stat_bmac_9216_lo;
    161	u32 tx_stat_bmac_16383_hi;
    162	u32 tx_stat_bmac_16383_lo;
    163	u32 tx_stat_dot3statsinternalmactransmiterrors_hi;
    164	u32 tx_stat_dot3statsinternalmactransmiterrors_lo;
    165	u32 tx_stat_bmac_ufl_hi;
    166	u32 tx_stat_bmac_ufl_lo;
    167	);
    168
    169	u32 pause_frames_received_hi;
    170	u32 pause_frames_received_lo;
    171	u32 pause_frames_sent_hi;
    172	u32 pause_frames_sent_lo;
    173
    174	u32 etherstatspkts1024octetsto1522octets_hi;
    175	u32 etherstatspkts1024octetsto1522octets_lo;
    176	u32 etherstatspktsover1522octets_hi;
    177	u32 etherstatspktsover1522octets_lo;
    178
    179	u32 brb_drop_hi;
    180	u32 brb_drop_lo;
    181	u32 brb_truncate_hi;
    182	u32 brb_truncate_lo;
    183
    184	u32 mac_filter_discard;
    185	u32 mf_tag_discard;
    186	u32 brb_truncate_discard;
    187	u32 mac_discard;
    188
    189	u32 driver_xoff;
    190	u32 rx_err_discard_pkt;
    191	u32 rx_skb_alloc_failed;
    192	u32 hw_csum_err;
    193
    194	u32 nig_timer_max;
    195
    196	/* TPA */
    197	u32 total_tpa_aggregations_hi;
    198	u32 total_tpa_aggregations_lo;
    199	u32 total_tpa_aggregated_frames_hi;
    200	u32 total_tpa_aggregated_frames_lo;
    201	u32 total_tpa_bytes_hi;
    202	u32 total_tpa_bytes_lo;
    203
    204	/* PFC */
    205	u32 pfc_frames_received_hi;
    206	u32 pfc_frames_received_lo;
    207	u32 pfc_frames_sent_hi;
    208	u32 pfc_frames_sent_lo;
    209
    210	/* Recovery */
    211	u32 recoverable_error;
    212	u32 unrecoverable_error;
    213	u32 driver_filtered_tx_pkt;
    214	/* src: Clear-on-Read register; Will not survive PMF Migration */
    215	u32 eee_tx_lpi;
    216
    217	/* PTP */
    218	u32 ptp_skip_tx_ts;
    219};
    220
    221struct bnx2x_eth_q_stats {
    222	u32 total_unicast_bytes_received_hi;
    223	u32 total_unicast_bytes_received_lo;
    224	u32 total_broadcast_bytes_received_hi;
    225	u32 total_broadcast_bytes_received_lo;
    226	u32 total_multicast_bytes_received_hi;
    227	u32 total_multicast_bytes_received_lo;
    228	u32 total_bytes_received_hi;
    229	u32 total_bytes_received_lo;
    230	u32 total_unicast_bytes_transmitted_hi;
    231	u32 total_unicast_bytes_transmitted_lo;
    232	u32 total_broadcast_bytes_transmitted_hi;
    233	u32 total_broadcast_bytes_transmitted_lo;
    234	u32 total_multicast_bytes_transmitted_hi;
    235	u32 total_multicast_bytes_transmitted_lo;
    236	u32 total_bytes_transmitted_hi;
    237	u32 total_bytes_transmitted_lo;
    238	u32 total_unicast_packets_received_hi;
    239	u32 total_unicast_packets_received_lo;
    240	u32 total_multicast_packets_received_hi;
    241	u32 total_multicast_packets_received_lo;
    242	u32 total_broadcast_packets_received_hi;
    243	u32 total_broadcast_packets_received_lo;
    244	u32 total_unicast_packets_transmitted_hi;
    245	u32 total_unicast_packets_transmitted_lo;
    246	u32 total_multicast_packets_transmitted_hi;
    247	u32 total_multicast_packets_transmitted_lo;
    248	u32 total_broadcast_packets_transmitted_hi;
    249	u32 total_broadcast_packets_transmitted_lo;
    250	u32 valid_bytes_received_hi;
    251	u32 valid_bytes_received_lo;
    252
    253	u32 etherstatsoverrsizepkts_hi;
    254	u32 etherstatsoverrsizepkts_lo;
    255	u32 no_buff_discard_hi;
    256	u32 no_buff_discard_lo;
    257
    258	u32 driver_xoff;
    259	u32 rx_err_discard_pkt;
    260	u32 rx_skb_alloc_failed;
    261	u32 hw_csum_err;
    262
    263	u32 total_packets_received_checksum_discarded_hi;
    264	u32 total_packets_received_checksum_discarded_lo;
    265	u32 total_packets_received_ttl0_discarded_hi;
    266	u32 total_packets_received_ttl0_discarded_lo;
    267	u32 total_transmitted_dropped_packets_error_hi;
    268	u32 total_transmitted_dropped_packets_error_lo;
    269
    270	/* TPA */
    271	u32 total_tpa_aggregations_hi;
    272	u32 total_tpa_aggregations_lo;
    273	u32 total_tpa_aggregated_frames_hi;
    274	u32 total_tpa_aggregated_frames_lo;
    275	u32 total_tpa_bytes_hi;
    276	u32 total_tpa_bytes_lo;
    277	u32 driver_filtered_tx_pkt;
    278};
    279
    280struct bnx2x_eth_stats_old {
    281	u32 rx_stat_dot3statsframestoolong_hi;
    282	u32 rx_stat_dot3statsframestoolong_lo;
    283};
    284
    285struct bnx2x_eth_q_stats_old {
    286	/* Fields to perserve over fw reset*/
    287	u32 total_unicast_bytes_received_hi;
    288	u32 total_unicast_bytes_received_lo;
    289	u32 total_broadcast_bytes_received_hi;
    290	u32 total_broadcast_bytes_received_lo;
    291	u32 total_multicast_bytes_received_hi;
    292	u32 total_multicast_bytes_received_lo;
    293	u32 total_unicast_bytes_transmitted_hi;
    294	u32 total_unicast_bytes_transmitted_lo;
    295	u32 total_broadcast_bytes_transmitted_hi;
    296	u32 total_broadcast_bytes_transmitted_lo;
    297	u32 total_multicast_bytes_transmitted_hi;
    298	u32 total_multicast_bytes_transmitted_lo;
    299	u32 total_tpa_bytes_hi;
    300	u32 total_tpa_bytes_lo;
    301
    302	/* Fields to perserve last of */
    303	u32 total_bytes_received_hi;
    304	u32 total_bytes_received_lo;
    305	u32 total_bytes_transmitted_hi;
    306	u32 total_bytes_transmitted_lo;
    307	u32 total_unicast_packets_received_hi;
    308	u32 total_unicast_packets_received_lo;
    309	u32 total_multicast_packets_received_hi;
    310	u32 total_multicast_packets_received_lo;
    311	u32 total_broadcast_packets_received_hi;
    312	u32 total_broadcast_packets_received_lo;
    313	u32 total_unicast_packets_transmitted_hi;
    314	u32 total_unicast_packets_transmitted_lo;
    315	u32 total_multicast_packets_transmitted_hi;
    316	u32 total_multicast_packets_transmitted_lo;
    317	u32 total_broadcast_packets_transmitted_hi;
    318	u32 total_broadcast_packets_transmitted_lo;
    319	u32 valid_bytes_received_hi;
    320	u32 valid_bytes_received_lo;
    321
    322	u32 total_tpa_bytes_hi_old;
    323	u32 total_tpa_bytes_lo_old;
    324
    325	u32 driver_xoff_old;
    326	u32 rx_err_discard_pkt_old;
    327	u32 rx_skb_alloc_failed_old;
    328	u32 hw_csum_err_old;
    329	u32 driver_filtered_tx_pkt_old;
    330};
    331
    332struct bnx2x_net_stats_old {
    333	 u32 rx_dropped;
    334};
    335
    336struct bnx2x_fw_port_stats_old {
    337	 u32 mac_filter_discard;
    338	 u32 mf_tag_discard;
    339	 u32 brb_truncate_discard;
    340	 u32 mac_discard;
    341};
    342
    343/****************************************************************************
    344* Macros
    345****************************************************************************/
    346
    347/* sum[hi:lo] += add[hi:lo] */
    348#define ADD_64(s_hi, a_hi, s_lo, a_lo) \
    349	do { \
    350		s_lo += a_lo; \
    351		s_hi += a_hi + ((s_lo < a_lo) ? 1 : 0); \
    352	} while (0)
    353
    354#define LE32_0 ((__force __le32) 0)
    355#define LE16_0 ((__force __le16) 0)
    356
    357/* The _force is for cases where high value is 0 */
    358#define ADD_64_LE(s_hi, a_hi_le, s_lo, a_lo_le) \
    359		ADD_64(s_hi, le32_to_cpu(a_hi_le), \
    360		       s_lo, le32_to_cpu(a_lo_le))
    361
    362#define ADD_64_LE16(s_hi, a_hi_le, s_lo, a_lo_le) \
    363		ADD_64(s_hi, le16_to_cpu(a_hi_le), \
    364		       s_lo, le16_to_cpu(a_lo_le))
    365
    366/* difference = minuend - subtrahend */
    367#define DIFF_64(d_hi, m_hi, s_hi, d_lo, m_lo, s_lo) \
    368	do { \
    369		if (m_lo < s_lo) { \
    370			/* underflow */ \
    371			d_hi = m_hi - s_hi; \
    372			if (d_hi > 0) { \
    373				/* we can 'loan' 1 */ \
    374				d_hi--; \
    375				d_lo = m_lo + (UINT_MAX - s_lo) + 1; \
    376			} else { \
    377				/* m_hi <= s_hi */ \
    378				d_hi = 0; \
    379				d_lo = 0; \
    380			} \
    381		} else { \
    382			/* m_lo >= s_lo */ \
    383			if (m_hi < s_hi) { \
    384				d_hi = 0; \
    385				d_lo = 0; \
    386			} else { \
    387				/* m_hi >= s_hi */ \
    388				d_hi = m_hi - s_hi; \
    389				d_lo = m_lo - s_lo; \
    390			} \
    391		} \
    392	} while (0)
    393
    394#define UPDATE_STAT64(s, t) \
    395	do { \
    396		DIFF_64(diff.hi, new->s##_hi, pstats->mac_stx[0].t##_hi, \
    397			diff.lo, new->s##_lo, pstats->mac_stx[0].t##_lo); \
    398		pstats->mac_stx[0].t##_hi = new->s##_hi; \
    399		pstats->mac_stx[0].t##_lo = new->s##_lo; \
    400		ADD_64(pstats->mac_stx[1].t##_hi, diff.hi, \
    401		       pstats->mac_stx[1].t##_lo, diff.lo); \
    402	} while (0)
    403
    404#define UPDATE_STAT64_NIG(s, t) \
    405	do { \
    406		DIFF_64(diff.hi, new->s##_hi, old->s##_hi, \
    407			diff.lo, new->s##_lo, old->s##_lo); \
    408		ADD_64(estats->t##_hi, diff.hi, \
    409		       estats->t##_lo, diff.lo); \
    410	} while (0)
    411
    412/* sum[hi:lo] += add */
    413#define ADD_EXTEND_64(s_hi, s_lo, a) \
    414	do { \
    415		s_lo += a; \
    416		s_hi += (s_lo < a) ? 1 : 0; \
    417	} while (0)
    418
    419#define ADD_STAT64(diff, t) \
    420	do { \
    421		ADD_64(pstats->mac_stx[1].t##_hi, new->diff##_hi, \
    422		       pstats->mac_stx[1].t##_lo, new->diff##_lo); \
    423	} while (0)
    424
    425#define UPDATE_EXTEND_STAT(s) \
    426	do { \
    427		ADD_EXTEND_64(pstats->mac_stx[1].s##_hi, \
    428			      pstats->mac_stx[1].s##_lo, \
    429			      new->s); \
    430	} while (0)
    431
    432#define UPDATE_EXTEND_TSTAT_X(s, t, size) \
    433	do { \
    434		diff = le##size##_to_cpu(tclient->s) - \
    435		       le##size##_to_cpu(old_tclient->s); \
    436		old_tclient->s = tclient->s; \
    437		ADD_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff); \
    438	} while (0)
    439
    440#define UPDATE_EXTEND_TSTAT(s, t) UPDATE_EXTEND_TSTAT_X(s, t, 32)
    441
    442#define UPDATE_EXTEND_E_TSTAT(s, t, size) \
    443	do { \
    444		UPDATE_EXTEND_TSTAT_X(s, t, size); \
    445		ADD_EXTEND_64(estats->t##_hi, estats->t##_lo, diff); \
    446	} while (0)
    447
    448#define UPDATE_EXTEND_USTAT(s, t) \
    449	do { \
    450		diff = le32_to_cpu(uclient->s) - le32_to_cpu(old_uclient->s); \
    451		old_uclient->s = uclient->s; \
    452		ADD_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff); \
    453	} while (0)
    454
    455#define UPDATE_EXTEND_E_USTAT(s, t) \
    456	do { \
    457		UPDATE_EXTEND_USTAT(s, t); \
    458		ADD_EXTEND_64(estats->t##_hi, estats->t##_lo, diff); \
    459	} while (0)
    460
    461#define UPDATE_EXTEND_XSTAT(s, t) \
    462	do { \
    463		diff = le32_to_cpu(xclient->s) - le32_to_cpu(old_xclient->s); \
    464		old_xclient->s = xclient->s; \
    465		ADD_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff); \
    466	} while (0)
    467
    468#define UPDATE_QSTAT(s, t) \
    469	do { \
    470		qstats->t##_lo = qstats_old->t##_lo + le32_to_cpu(s.lo); \
    471		qstats->t##_hi = qstats_old->t##_hi + le32_to_cpu(s.hi) \
    472			+ ((qstats->t##_lo < qstats_old->t##_lo) ? 1 : 0); \
    473	} while (0)
    474
    475#define UPDATE_QSTAT_OLD(f) \
    476	do { \
    477		qstats_old->f = qstats->f; \
    478	} while (0)
    479
    480#define UPDATE_ESTAT_QSTAT_64(s) \
    481	do { \
    482		ADD_64(estats->s##_hi, qstats->s##_hi, \
    483		       estats->s##_lo, qstats->s##_lo); \
    484		SUB_64(estats->s##_hi, qstats_old->s##_hi_old, \
    485		       estats->s##_lo, qstats_old->s##_lo_old); \
    486		qstats_old->s##_hi_old = qstats->s##_hi; \
    487		qstats_old->s##_lo_old = qstats->s##_lo; \
    488	} while (0)
    489
    490#define UPDATE_ESTAT_QSTAT(s) \
    491	do { \
    492		estats->s += qstats->s; \
    493		estats->s -= qstats_old->s##_old; \
    494		qstats_old->s##_old = qstats->s; \
    495	} while (0)
    496
    497#define UPDATE_FSTAT_QSTAT(s) \
    498	do { \
    499		ADD_64(fstats->s##_hi, qstats->s##_hi, \
    500		       fstats->s##_lo, qstats->s##_lo); \
    501		SUB_64(fstats->s##_hi, qstats_old->s##_hi, \
    502		       fstats->s##_lo, qstats_old->s##_lo); \
    503		estats->s##_hi = fstats->s##_hi; \
    504		estats->s##_lo = fstats->s##_lo; \
    505		qstats_old->s##_hi = qstats->s##_hi; \
    506		qstats_old->s##_lo = qstats->s##_lo; \
    507	} while (0)
    508
    509#define UPDATE_FW_STAT(s) \
    510	do { \
    511		estats->s = le32_to_cpu(tport->s) + fwstats->s; \
    512	} while (0)
    513
    514#define UPDATE_FW_STAT_OLD(f) \
    515	do { \
    516		fwstats->f = estats->f; \
    517	} while (0)
    518
    519#define UPDATE_ESTAT(s, t) \
    520	do { \
    521		SUB_64(estats->s##_hi, estats_old->t##_hi, \
    522		       estats->s##_lo, estats_old->t##_lo); \
    523		ADD_64(estats->s##_hi, estats->t##_hi, \
    524		       estats->s##_lo, estats->t##_lo); \
    525		estats_old->t##_hi = estats->t##_hi; \
    526		estats_old->t##_lo = estats->t##_lo; \
    527	} while (0)
    528
    529/* minuend -= subtrahend */
    530#define SUB_64(m_hi, s_hi, m_lo, s_lo) \
    531	do { \
    532		DIFF_64(m_hi, m_hi, s_hi, m_lo, m_lo, s_lo); \
    533	} while (0)
    534
    535/* minuend[hi:lo] -= subtrahend */
    536#define SUB_EXTEND_64(m_hi, m_lo, s) \
    537	do { \
    538		SUB_64(m_hi, 0, m_lo, s); \
    539	} while (0)
    540
    541#define SUB_EXTEND_USTAT(s, t) \
    542	do { \
    543		diff = le32_to_cpu(uclient->s) - le32_to_cpu(old_uclient->s); \
    544		SUB_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff); \
    545	} while (0)
    546
    547/* forward */
    548struct bnx2x;
    549
    550void bnx2x_memset_stats(struct bnx2x *bp);
    551void bnx2x_stats_init(struct bnx2x *bp);
    552void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event);
    553int bnx2x_stats_safe_exec(struct bnx2x *bp,
    554			  void (func_to_exec)(void *cookie),
    555			  void *cookie);
    556
    557/**
    558 * bnx2x_save_statistics - save statistics when unloading.
    559 *
    560 * @bp:		driver handle
    561 */
    562void bnx2x_save_statistics(struct bnx2x *bp);
    563
    564void bnx2x_afex_collect_stats(struct bnx2x *bp, void *void_afex_stats,
    565			      u32 stats_type);
    566#endif /* BNX2X_STATS_H */