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Elixir Cross Referencer

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/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright (c) 2007-2013 Broadcom Corporation.
 *
 * Eric Davis        <edavis@broadcom.com>
 * David Christensen <davidch@broadcom.com>
 * Gary Zambrano     <zambrano@broadcom.com>
 *
 * Copyright (c) 2013-2015 Brocade Communications Systems, Inc.
 * Copyright (c) 2015-2018 Cavium Inc.
 * All rights reserved.
 * www.cavium.com
 */

#ifndef BNX2X_STATS_H
#define BNX2X_STATS_H

#include <sys/types.h>

struct nig_stats {
    uint32_t brb_discard;
    uint32_t brb_packet;
    uint32_t brb_truncate;
    uint32_t flow_ctrl_discard;
    uint32_t flow_ctrl_octets;
    uint32_t flow_ctrl_packet;
    uint32_t mng_discard;
    uint32_t mng_octet_inp;
    uint32_t mng_octet_out;
    uint32_t mng_packet_inp;
    uint32_t mng_packet_out;
    uint32_t pbf_octets;
    uint32_t pbf_packet;
    uint32_t safc_inp;
    uint32_t egress_mac_pkt0_lo;
    uint32_t egress_mac_pkt0_hi;
    uint32_t egress_mac_pkt1_lo;
    uint32_t egress_mac_pkt1_hi;
};


enum bnx2x_stats_event {
    STATS_EVENT_PMF = 0,
    STATS_EVENT_LINK_UP,
    STATS_EVENT_UPDATE,
    STATS_EVENT_STOP,
    STATS_EVENT_MAX
};

enum bnx2x_stats_state {
    STATS_STATE_DISABLED = 0,
    STATS_STATE_ENABLED,
    STATS_STATE_MAX
};

struct bnx2x_eth_stats {
    uint32_t total_bytes_received_hi;
    uint32_t total_bytes_received_lo;
    uint32_t total_bytes_transmitted_hi;
    uint32_t total_bytes_transmitted_lo;
    uint32_t total_unicast_packets_received_hi;
    uint32_t total_unicast_packets_received_lo;
    uint32_t total_multicast_packets_received_hi;
    uint32_t total_multicast_packets_received_lo;
    uint32_t total_broadcast_packets_received_hi;
    uint32_t total_broadcast_packets_received_lo;
    uint32_t total_unicast_packets_transmitted_hi;
    uint32_t total_unicast_packets_transmitted_lo;
    uint32_t total_multicast_packets_transmitted_hi;
    uint32_t total_multicast_packets_transmitted_lo;
    uint32_t total_broadcast_packets_transmitted_hi;
    uint32_t total_broadcast_packets_transmitted_lo;
    uint32_t valid_bytes_received_hi;
    uint32_t valid_bytes_received_lo;

    uint32_t error_bytes_received_hi;
    uint32_t error_bytes_received_lo;
    uint32_t etherstatsoverrsizepkts_hi;
    uint32_t etherstatsoverrsizepkts_lo;
    uint32_t no_buff_discard_hi;
    uint32_t no_buff_discard_lo;

    uint32_t rx_stat_ifhcinbadoctets_hi;
    uint32_t rx_stat_ifhcinbadoctets_lo;
    uint32_t tx_stat_ifhcoutbadoctets_hi;
    uint32_t tx_stat_ifhcoutbadoctets_lo;
    uint32_t rx_stat_dot3statsfcserrors_hi;
    uint32_t rx_stat_dot3statsfcserrors_lo;
    uint32_t rx_stat_dot3statsalignmenterrors_hi;
    uint32_t rx_stat_dot3statsalignmenterrors_lo;
    uint32_t rx_stat_dot3statscarriersenseerrors_hi;
    uint32_t rx_stat_dot3statscarriersenseerrors_lo;
    uint32_t rx_stat_falsecarriererrors_hi;
    uint32_t rx_stat_falsecarriererrors_lo;
    uint32_t rx_stat_etherstatsundersizepkts_hi;
    uint32_t rx_stat_etherstatsundersizepkts_lo;
    uint32_t rx_stat_dot3statsframestoolong_hi;
    uint32_t rx_stat_dot3statsframestoolong_lo;
    uint32_t rx_stat_etherstatsfragments_hi;
    uint32_t rx_stat_etherstatsfragments_lo;
    uint32_t rx_stat_etherstatsjabbers_hi;
    uint32_t rx_stat_etherstatsjabbers_lo;
    uint32_t rx_stat_maccontrolframesreceived_hi;
    uint32_t rx_stat_maccontrolframesreceived_lo;
    uint32_t rx_stat_bmac_xpf_hi;
    uint32_t rx_stat_bmac_xpf_lo;
    uint32_t rx_stat_bmac_xcf_hi;
    uint32_t rx_stat_bmac_xcf_lo;
    uint32_t rx_stat_xoffstateentered_hi;
    uint32_t rx_stat_xoffstateentered_lo;
    uint32_t rx_stat_xonpauseframesreceived_hi;
    uint32_t rx_stat_xonpauseframesreceived_lo;
    uint32_t rx_stat_xoffpauseframesreceived_hi;
    uint32_t rx_stat_xoffpauseframesreceived_lo;
    uint32_t tx_stat_outxonsent_hi;
    uint32_t tx_stat_outxonsent_lo;
    uint32_t tx_stat_outxoffsent_hi;
    uint32_t tx_stat_outxoffsent_lo;
    uint32_t tx_stat_flowcontroldone_hi;
    uint32_t tx_stat_flowcontroldone_lo;
    uint32_t tx_stat_etherstatscollisions_hi;
    uint32_t tx_stat_etherstatscollisions_lo;
    uint32_t tx_stat_dot3statssinglecollisionframes_hi;
    uint32_t tx_stat_dot3statssinglecollisionframes_lo;
    uint32_t tx_stat_dot3statsmultiplecollisionframes_hi;
    uint32_t tx_stat_dot3statsmultiplecollisionframes_lo;
    uint32_t tx_stat_dot3statsdeferredtransmissions_hi;
    uint32_t tx_stat_dot3statsdeferredtransmissions_lo;
    uint32_t tx_stat_dot3statsexcessivecollisions_hi;
    uint32_t tx_stat_dot3statsexcessivecollisions_lo;
    uint32_t tx_stat_dot3statslatecollisions_hi;
    uint32_t tx_stat_dot3statslatecollisions_lo;
    uint32_t tx_stat_etherstatspkts64octets_hi;
    uint32_t tx_stat_etherstatspkts64octets_lo;
    uint32_t tx_stat_etherstatspkts65octetsto127octets_hi;
    uint32_t tx_stat_etherstatspkts65octetsto127octets_lo;
    uint32_t tx_stat_etherstatspkts128octetsto255octets_hi;
    uint32_t tx_stat_etherstatspkts128octetsto255octets_lo;
    uint32_t tx_stat_etherstatspkts256octetsto511octets_hi;
    uint32_t tx_stat_etherstatspkts256octetsto511octets_lo;
    uint32_t tx_stat_etherstatspkts512octetsto1023octets_hi;
    uint32_t tx_stat_etherstatspkts512octetsto1023octets_lo;
    uint32_t tx_stat_etherstatspkts1024octetsto1522octets_hi;
    uint32_t tx_stat_etherstatspkts1024octetsto1522octets_lo;
    uint32_t tx_stat_etherstatspktsover1522octets_hi;
    uint32_t tx_stat_etherstatspktsover1522octets_lo;
    uint32_t tx_stat_bmac_2047_hi;
    uint32_t tx_stat_bmac_2047_lo;
    uint32_t tx_stat_bmac_4095_hi;
    uint32_t tx_stat_bmac_4095_lo;
    uint32_t tx_stat_bmac_9216_hi;
    uint32_t tx_stat_bmac_9216_lo;
    uint32_t tx_stat_bmac_16383_hi;
    uint32_t tx_stat_bmac_16383_lo;
    uint32_t tx_stat_dot3statsinternalmactransmiterrors_hi;
    uint32_t tx_stat_dot3statsinternalmactransmiterrors_lo;
    uint32_t tx_stat_bmac_ufl_hi;
    uint32_t tx_stat_bmac_ufl_lo;

    uint32_t pause_frames_received_hi;
    uint32_t pause_frames_received_lo;
    uint32_t pause_frames_sent_hi;
    uint32_t pause_frames_sent_lo;

    uint32_t etherstatspkts1024octetsto1522octets_hi;
    uint32_t etherstatspkts1024octetsto1522octets_lo;
    uint32_t etherstatspktsover1522octets_hi;
    uint32_t etherstatspktsover1522octets_lo;

    uint32_t brb_drop_hi;
    uint32_t brb_drop_lo;
    uint32_t brb_truncate_hi;
    uint32_t brb_truncate_lo;

    uint32_t mac_filter_discard;
    uint32_t mf_tag_discard;
    uint32_t brb_truncate_discard;
    uint32_t mac_discard;

    uint32_t nig_timer_max;

    /* PFC */
    uint32_t pfc_frames_received_hi;
    uint32_t pfc_frames_received_lo;
    uint32_t pfc_frames_sent_hi;
    uint32_t pfc_frames_sent_lo;

    /* Recovery */
    uint32_t recoverable_error;
    uint32_t unrecoverable_error;

    /* src: Clear-on-Read register; Will not survive PMF Migration */
    uint32_t eee_tx_lpi;

    /* receive path driver statistics */
    uint32_t rx_calls;
    uint32_t rx_pkts;
    uint32_t rx_soft_errors;
    uint32_t rx_hw_csum_errors;
    uint32_t rx_ofld_frames_csum_ip;
    uint32_t rx_ofld_frames_csum_tcp_udp;
    uint32_t rx_budget_reached;

    /* tx path driver statistics */
    uint32_t tx_pkts;
    uint32_t tx_soft_errors;
    uint32_t tx_ofld_frames_csum_ip;
    uint32_t tx_ofld_frames_csum_tcp;
    uint32_t tx_ofld_frames_csum_udp;
    uint32_t tx_encap_failures;
    uint32_t tx_hw_queue_full;
    uint32_t tx_hw_max_queue_depth;
    uint32_t tx_dma_mapping_failure;
    uint32_t tx_max_drbr_queue_depth;
    uint32_t tx_window_violation_std;
    uint32_t tx_chain_lost_mbuf;
    uint32_t tx_frames_deferred;
    uint32_t tx_queue_xoff;

    /* mbuf driver statistics */
    uint32_t mbuf_defrag_attempts;
    uint32_t mbuf_defrag_failures;
    uint32_t mbuf_rx_bd_alloc_failed;
    uint32_t mbuf_rx_bd_mapping_failed;

    /* track the number of allocated mbufs */
    uint32_t mbuf_alloc_tx;
    uint32_t mbuf_alloc_rx;
};


struct bnx2x_eth_q_stats {
    uint32_t total_unicast_bytes_received_hi;
    uint32_t total_unicast_bytes_received_lo;
    uint32_t total_broadcast_bytes_received_hi;
    uint32_t total_broadcast_bytes_received_lo;
    uint32_t total_multicast_bytes_received_hi;
    uint32_t total_multicast_bytes_received_lo;
    uint32_t total_bytes_received_hi;
    uint32_t total_bytes_received_lo;
    uint32_t total_unicast_bytes_transmitted_hi;
    uint32_t total_unicast_bytes_transmitted_lo;
    uint32_t total_broadcast_bytes_transmitted_hi;
    uint32_t total_broadcast_bytes_transmitted_lo;
    uint32_t total_multicast_bytes_transmitted_hi;
    uint32_t total_multicast_bytes_transmitted_lo;
    uint32_t total_bytes_transmitted_hi;
    uint32_t total_bytes_transmitted_lo;
    uint32_t total_unicast_packets_received_hi;
    uint32_t total_unicast_packets_received_lo;
    uint32_t total_multicast_packets_received_hi;
    uint32_t total_multicast_packets_received_lo;
    uint32_t total_broadcast_packets_received_hi;
    uint32_t total_broadcast_packets_received_lo;
    uint32_t total_unicast_packets_transmitted_hi;
    uint32_t total_unicast_packets_transmitted_lo;
    uint32_t total_multicast_packets_transmitted_hi;
    uint32_t total_multicast_packets_transmitted_lo;
    uint32_t total_broadcast_packets_transmitted_hi;
    uint32_t total_broadcast_packets_transmitted_lo;
    uint32_t valid_bytes_received_hi;
    uint32_t valid_bytes_received_lo;

    uint32_t etherstatsoverrsizepkts_hi;
    uint32_t etherstatsoverrsizepkts_lo;
    uint32_t no_buff_discard_hi;
    uint32_t no_buff_discard_lo;

    uint32_t total_packets_received_checksum_discarded_hi;
    uint32_t total_packets_received_checksum_discarded_lo;
    uint32_t total_packets_received_ttl0_discarded_hi;
    uint32_t total_packets_received_ttl0_discarded_lo;
    uint32_t total_transmitted_dropped_packets_error_hi;
    uint32_t total_transmitted_dropped_packets_error_lo;

    /* receive path driver statistics */
    uint32_t rx_calls;
    uint32_t rx_pkts;
    uint32_t rx_soft_errors;
    uint32_t rx_hw_csum_errors;
    uint32_t rx_ofld_frames_csum_ip;
    uint32_t rx_ofld_frames_csum_tcp_udp;
    uint32_t rx_budget_reached;

    /* tx path driver statistics */
    uint32_t tx_pkts;
    uint32_t tx_soft_errors;
    uint32_t tx_ofld_frames_csum_ip;
    uint32_t tx_ofld_frames_csum_tcp;
    uint32_t tx_ofld_frames_csum_udp;
    uint32_t tx_encap_failures;
    uint32_t tx_hw_queue_full;
    uint32_t tx_hw_max_queue_depth;
    uint32_t tx_dma_mapping_failure;
    uint32_t tx_max_drbr_queue_depth;
    uint32_t tx_window_violation_std;
    uint32_t tx_chain_lost_mbuf;
    uint32_t tx_frames_deferred;
    uint32_t tx_queue_xoff;

    /* mbuf driver statistics */
    uint32_t mbuf_defrag_attempts;
    uint32_t mbuf_defrag_failures;
    uint32_t mbuf_rx_bd_alloc_failed;
    uint32_t mbuf_rx_bd_mapping_failed;

    /* track the number of allocated mbufs */
    uint32_t mbuf_alloc_tx;
    uint32_t mbuf_alloc_rx;
};

struct bnx2x_eth_stats_old {
    uint32_t rx_stat_dot3statsframestoolong_hi;
    uint32_t rx_stat_dot3statsframestoolong_lo;
};

struct bnx2x_eth_q_stats_old {
    /* Fields to perserve over fw reset*/
    uint32_t total_unicast_bytes_received_hi;
    uint32_t total_unicast_bytes_received_lo;
    uint32_t total_broadcast_bytes_received_hi;
    uint32_t total_broadcast_bytes_received_lo;
    uint32_t total_multicast_bytes_received_hi;
    uint32_t total_multicast_bytes_received_lo;
    uint32_t total_unicast_bytes_transmitted_hi;
    uint32_t total_unicast_bytes_transmitted_lo;
    uint32_t total_broadcast_bytes_transmitted_hi;
    uint32_t total_broadcast_bytes_transmitted_lo;
    uint32_t total_multicast_bytes_transmitted_hi;
    uint32_t total_multicast_bytes_transmitted_lo;

    /* Fields to perserve last of */
    uint32_t total_bytes_received_hi;
    uint32_t total_bytes_received_lo;
    uint32_t total_bytes_transmitted_hi;
    uint32_t total_bytes_transmitted_lo;
    uint32_t total_unicast_packets_received_hi;
    uint32_t total_unicast_packets_received_lo;
    uint32_t total_multicast_packets_received_hi;
    uint32_t total_multicast_packets_received_lo;
    uint32_t total_broadcast_packets_received_hi;
    uint32_t total_broadcast_packets_received_lo;
    uint32_t total_unicast_packets_transmitted_hi;
    uint32_t total_unicast_packets_transmitted_lo;
    uint32_t total_multicast_packets_transmitted_hi;
    uint32_t total_multicast_packets_transmitted_lo;
    uint32_t total_broadcast_packets_transmitted_hi;
    uint32_t total_broadcast_packets_transmitted_lo;
    uint32_t valid_bytes_received_hi;
    uint32_t valid_bytes_received_lo;

    /* receive path driver statistics */
    uint32_t rx_calls_old;
    uint32_t rx_pkts_old;
    uint32_t rx_soft_errors_old;
    uint32_t rx_hw_csum_errors_old;
    uint32_t rx_ofld_frames_csum_ip_old;
    uint32_t rx_ofld_frames_csum_tcp_udp_old;
    uint32_t rx_budget_reached_old;

    /* tx path driver statistics */
    uint32_t tx_pkts_old;
    uint32_t tx_soft_errors_old;
    uint32_t tx_ofld_frames_csum_ip_old;
    uint32_t tx_ofld_frames_csum_tcp_old;
    uint32_t tx_ofld_frames_csum_udp_old;
    uint32_t tx_encap_failures_old;
    uint32_t tx_hw_queue_full_old;
    uint32_t tx_hw_max_queue_depth_old;
    uint32_t tx_dma_mapping_failure_old;
    uint32_t tx_max_drbr_queue_depth_old;
    uint32_t tx_window_violation_std_old;
    uint32_t tx_chain_lost_mbuf_old;
    uint32_t tx_frames_deferred_old;
    uint32_t tx_queue_xoff_old;

    /* mbuf driver statistics */
    uint32_t mbuf_defrag_attempts_old;
    uint32_t mbuf_defrag_failures_old;
    uint32_t mbuf_rx_bd_alloc_failed_old;
    uint32_t mbuf_rx_bd_mapping_failed_old;

    /* track the number of allocated mbufs */
    int mbuf_alloc_tx_old;
    int mbuf_alloc_rx_old;
};

struct bnx2x_net_stats_old {
    uint32_t rx_dropped;
};

struct bnx2x_fw_port_stats_old {
    uint32_t pfc_frames_tx_hi;
    uint32_t pfc_frames_tx_lo;
    uint32_t pfc_frames_rx_hi;
    uint32_t pfc_frames_rx_lo;

    uint32_t mac_filter_discard;
    uint32_t mf_tag_discard;
    uint32_t brb_truncate_discard;
    uint32_t mac_discard;
};

/* sum[hi:lo] += add[hi:lo] */
#define ADD_64(s_hi, a_hi, s_lo, a_lo)          \
    do {                                        \
	s_lo += a_lo;                           \
	s_hi += a_hi + ((s_lo < a_lo) ? 1 : 0); \
    } while (0)

#define LE32_0 ((uint32_t) 0)
#define LE16_0 ((uint16_t) 0)

/* The _force is for cases where high value is 0 */
#define ADD_64_LE(s_hi, a_hi_le, s_lo, a_lo_le) \
	ADD_64(s_hi, le32toh(a_hi_le),          \
	       s_lo, le32toh(a_lo_le))

#define ADD_64_LE16(s_hi, a_hi_le, s_lo, a_lo_le) \
	ADD_64(s_hi, le16toh(a_hi_le),            \
	       s_lo, le16toh(a_lo_le))

/* difference = minuend - subtrahend */
#define DIFF_64(d_hi, m_hi, s_hi, d_lo, m_lo, s_lo)  \
    do {                                             \
	if (m_lo < s_lo) {                           \
	    /* underflow */                          \
	    d_hi = m_hi - s_hi;                      \
	    if (d_hi > 0) {                          \
		/* we can 'loan' 1 */                \
		d_hi--;                              \
		d_lo = m_lo + (UINT_MAX - s_lo) + 1; \
	    } else {                                 \
		/* m_hi <= s_hi */                   \
		d_hi = 0;                            \
		d_lo = 0;                            \
	    }                                        \
	} else {                                     \
	    /* m_lo >= s_lo */                       \
	    if (m_hi < s_hi) {                       \
		d_hi = 0;                            \
		d_lo = 0;                            \
	    } else {                                 \
		/* m_hi >= s_hi */                   \
		d_hi = m_hi - s_hi;                  \
		d_lo = m_lo - s_lo;                  \
	    }                                        \
	}                                            \
    } while (0)

#define UPDATE_STAT64(s, t)                                      \
    do {                                                         \
	DIFF_64(diff.hi, new->s##_hi, pstats->mac_stx[0].t##_hi, \
	    diff.lo, new->s##_lo, pstats->mac_stx[0].t##_lo);    \
	pstats->mac_stx[0].t##_hi = new->s##_hi;                 \
	pstats->mac_stx[0].t##_lo = new->s##_lo;                 \
	ADD_64(pstats->mac_stx[1].t##_hi, diff.hi,               \
	       pstats->mac_stx[1].t##_lo, diff.lo);              \
    } while (0)

#define UPDATE_STAT64_NIG(s, t)                    \
    do {                                           \
	DIFF_64(diff.hi, new->s##_hi, old->s##_hi, \
	    diff.lo, new->s##_lo, old->s##_lo);    \
	ADD_64(estats->t##_hi, diff.hi,            \
	       estats->t##_lo, diff.lo);           \
    } while (0)

/* sum[hi:lo] += add */
#define ADD_EXTEND_64(s_hi, s_lo, a) \
    do {                             \
	s_lo += a;                   \
	s_hi += (s_lo < a) ? 1 : 0;  \
    } while (0)

#define ADD_STAT64(diff, t)                                \
    do {                                                   \
	ADD_64(pstats->mac_stx[1].t##_hi, new->diff##_hi,  \
	       pstats->mac_stx[1].t##_lo, new->diff##_lo); \
    } while (0)

#define UPDATE_EXTEND_STAT(s)                    \
    do {                                         \
	ADD_EXTEND_64(pstats->mac_stx[1].s##_hi, \
		  pstats->mac_stx[1].s##_lo,     \
		  new->s);                       \
    } while (0)

#define UPDATE_EXTEND_TSTAT_X(s, t, size)                    \
    do {                                                     \
	diff = le##size##toh(tclient->s) -                   \
	       le##size##toh(old_tclient->s);                \
	old_tclient->s = tclient->s;                         \
	ADD_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff); \
    } while (0)

#define UPDATE_EXTEND_TSTAT(s, t) UPDATE_EXTEND_TSTAT_X(s, t, 32)

#define UPDATE_EXTEND_E_TSTAT(s, t, size)                    \
    do {                                                     \
	UPDATE_EXTEND_TSTAT_X(s, t, size);                   \
	ADD_EXTEND_64(estats->t##_hi, estats->t##_lo, diff); \
    } while (0)

#define UPDATE_EXTEND_USTAT(s, t)                             \
    do {                                                      \
	diff = le32toh(uclient->s) - le32toh(old_uclient->s); \
	old_uclient->s = uclient->s;                          \
	ADD_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff);  \
    } while (0)

#define UPDATE_EXTEND_E_USTAT(s, t)                          \
    do {                                                     \
	UPDATE_EXTEND_USTAT(s, t);                           \
	ADD_EXTEND_64(estats->t##_hi, estats->t##_lo, diff); \
    } while (0)

#define UPDATE_EXTEND_XSTAT(s, t)                             \
    do {                                                      \
	diff = le32toh(xclient->s) - le32toh(old_xclient->s); \
	old_xclient->s = xclient->s;                          \
	ADD_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff);  \
    } while (0)

#define UPDATE_QSTAT(s, t)                                   \
    do {                                                     \
	qstats->t##_hi = qstats_old->t##_hi + le32toh(s.hi); \
	qstats->t##_lo = qstats_old->t##_lo + le32toh(s.lo); \
    } while (0)

#define UPDATE_QSTAT_OLD(f)        \
    do {                           \
	qstats_old->f = qstats->f; \
    } while (0)

#define UPDATE_ESTAT_QSTAT_64(s)                        \
    do {                                                \
	ADD_64(estats->s##_hi, qstats->s##_hi,          \
	       estats->s##_lo, qstats->s##_lo);         \
	SUB_64(estats->s##_hi, qstats_old->s##_hi_old,  \
	       estats->s##_lo, qstats_old->s##_lo_old); \
	qstats_old->s##_hi_old = qstats->s##_hi;        \
	qstats_old->s##_lo_old = qstats->s##_lo;        \
    } while (0)

#define UPDATE_ESTAT_QSTAT(s)             \
    do {                                  \
	estats->s += qstats->s;           \
	estats->s -= qstats_old->s##_old; \
	qstats_old->s##_old = qstats->s;  \
    } while (0)

#define UPDATE_FSTAT_QSTAT(s)                       \
    do {                                            \
	ADD_64(fstats->s##_hi, qstats->s##_hi,      \
	       fstats->s##_lo, qstats->s##_lo);     \
	SUB_64(fstats->s##_hi, qstats_old->s##_hi,  \
	       fstats->s##_lo, qstats_old->s##_lo); \
	estats->s##_hi = fstats->s##_hi;            \
	estats->s##_lo = fstats->s##_lo;            \
	qstats_old->s##_hi = qstats->s##_hi;        \
	qstats_old->s##_lo = qstats->s##_lo;        \
    } while (0)

#define UPDATE_FW_STAT(s)                           \
    do {                                            \
	estats->s = le32toh(tport->s) + fwstats->s; \
    } while (0)

#define UPDATE_FW_STAT_OLD(f)   \
    do {                        \
	fwstats->f = estats->f; \
    } while (0)

#define UPDATE_ESTAT(s, t)                          \
    do {                                            \
	SUB_64(estats->s##_hi, estats_old->t##_hi,  \
	       estats->s##_lo, estats_old->t##_lo); \
	ADD_64(estats->s##_hi, estats->t##_hi,      \
	       estats->s##_lo, estats->t##_lo);     \
	estats_old->t##_hi = estats->t##_hi;        \
	estats_old->t##_lo = estats->t##_lo;        \
    } while (0)

/* minuend -= subtrahend */
#define SUB_64(m_hi, s_hi, m_lo, s_lo)               \
    do {                                             \
	DIFF_64(m_hi, m_hi, s_hi, m_lo, m_lo, s_lo); \
    } while (0)

/* minuend[hi:lo] -= subtrahend */
#define SUB_EXTEND_64(m_hi, m_lo, s)    \
    do {                                \
	uint32_t s_hi = 0;              \
	SUB_64(m_hi, s_hi, m_lo, s);    \
    } while (0)

#define SUB_EXTEND_USTAT(s, t)                                \
    do {                                                      \
	diff = le32toh(uclient->s) - le32toh(old_uclient->s); \
	SUB_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff);  \
    } while (0)

struct bnx2x_softc;
void bnx2x_stats_init(struct bnx2x_softc *sc);
void bnx2x_stats_handle(struct bnx2x_softc *sc, enum bnx2x_stats_event event);
void bnx2x_save_statistics(struct bnx2x_softc *sc);
void bnx2x_memset_stats(struct bnx2x_softc *sc);

#endif /* BNX2X_STATS_H */