1 files changed, 381 insertions, 0 deletions

diff --git a/drivers/net/bnx2x/bnx2x_stats.h b/drivers/net/bnx2x/bnx2x_stats.h
new file mode 100644
index 00000000000..5d8ce2f6afe
--- /dev/null
+++ b/drivers/net/bnx2x/bnx2x_stats.h
@@ -0,0 +1,381 @@
+/* bnx2x_stats.h: Broadcom Everest network driver.
+ *
+ * Copyright (c) 2007-2011 Broadcom Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation.
+ *
+ * Maintained by: Eilon Greenstein <eilong@broadcom.com>
+ * Written by: Eliezer Tamir
+ * Based on code from Michael Chan's bnx2 driver
+ * UDP CSUM errata workaround by Arik Gendelman
+ * Slowpath and fastpath rework by Vladislav Zolotarov
+ * Statistics and Link management by Yitchak Gertner
+ *
+ */
+#ifndef BNX2X_STATS_H
+#define BNX2X_STATS_H
+
+#include <linux/types.h>
+
+struct nig_stats {
+        u32 brb_discard;
+        u32 brb_packet;
+        u32 brb_truncate;
+        u32 flow_ctrl_discard;
+        u32 flow_ctrl_octets;
+        u32 flow_ctrl_packet;
+        u32 mng_discard;
+        u32 mng_octet_inp;
+        u32 mng_octet_out;
+        u32 mng_packet_inp;
+        u32 mng_packet_out;
+        u32 pbf_octets;
+        u32 pbf_packet;
+        u32 safc_inp;
+        u32 egress_mac_pkt0_lo;
+        u32 egress_mac_pkt0_hi;
+        u32 egress_mac_pkt1_lo;
+        u32 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 {
+        u32 total_bytes_received_hi;
+        u32 total_bytes_received_lo;
+        u32 total_bytes_transmitted_hi;
+        u32 total_bytes_transmitted_lo;
+        u32 total_unicast_packets_received_hi;
+        u32 total_unicast_packets_received_lo;
+        u32 total_multicast_packets_received_hi;
+        u32 total_multicast_packets_received_lo;
+        u32 total_broadcast_packets_received_hi;
+        u32 total_broadcast_packets_received_lo;
+        u32 total_unicast_packets_transmitted_hi;
+        u32 total_unicast_packets_transmitted_lo;
+        u32 total_multicast_packets_transmitted_hi;
+        u32 total_multicast_packets_transmitted_lo;
+        u32 total_broadcast_packets_transmitted_hi;
+        u32 total_broadcast_packets_transmitted_lo;
+        u32 valid_bytes_received_hi;
+        u32 valid_bytes_received_lo;
+
+        u32 error_bytes_received_hi;
+        u32 error_bytes_received_lo;
+        u32 etherstatsoverrsizepkts_hi;
+        u32 etherstatsoverrsizepkts_lo;
+        u32 no_buff_discard_hi;
+        u32 no_buff_discard_lo;
+
+        u32 rx_stat_ifhcinbadoctets_hi;
+        u32 rx_stat_ifhcinbadoctets_lo;
+        u32 tx_stat_ifhcoutbadoctets_hi;
+        u32 tx_stat_ifhcoutbadoctets_lo;
+        u32 rx_stat_dot3statsfcserrors_hi;
+        u32 rx_stat_dot3statsfcserrors_lo;
+        u32 rx_stat_dot3statsalignmenterrors_hi;
+        u32 rx_stat_dot3statsalignmenterrors_lo;
+        u32 rx_stat_dot3statscarriersenseerrors_hi;
+        u32 rx_stat_dot3statscarriersenseerrors_lo;
+        u32 rx_stat_falsecarriererrors_hi;
+        u32 rx_stat_falsecarriererrors_lo;
+        u32 rx_stat_etherstatsundersizepkts_hi;
+        u32 rx_stat_etherstatsundersizepkts_lo;
+        u32 rx_stat_dot3statsframestoolong_hi;
+        u32 rx_stat_dot3statsframestoolong_lo;
+        u32 rx_stat_etherstatsfragments_hi;
+        u32 rx_stat_etherstatsfragments_lo;
+        u32 rx_stat_etherstatsjabbers_hi;
+        u32 rx_stat_etherstatsjabbers_lo;
+        u32 rx_stat_maccontrolframesreceived_hi;
+        u32 rx_stat_maccontrolframesreceived_lo;
+        u32 rx_stat_bmac_xpf_hi;
+        u32 rx_stat_bmac_xpf_lo;
+        u32 rx_stat_bmac_xcf_hi;
+        u32 rx_stat_bmac_xcf_lo;
+        u32 rx_stat_xoffstateentered_hi;
+        u32 rx_stat_xoffstateentered_lo;
+        u32 rx_stat_xonpauseframesreceived_hi;
+        u32 rx_stat_xonpauseframesreceived_lo;
+        u32 rx_stat_xoffpauseframesreceived_hi;
+        u32 rx_stat_xoffpauseframesreceived_lo;
+        u32 tx_stat_outxonsent_hi;
+        u32 tx_stat_outxonsent_lo;
+        u32 tx_stat_outxoffsent_hi;
+        u32 tx_stat_outxoffsent_lo;
+        u32 tx_stat_flowcontroldone_hi;
+        u32 tx_stat_flowcontroldone_lo;
+        u32 tx_stat_etherstatscollisions_hi;
+        u32 tx_stat_etherstatscollisions_lo;
+        u32 tx_stat_dot3statssinglecollisionframes_hi;
+        u32 tx_stat_dot3statssinglecollisionframes_lo;
+        u32 tx_stat_dot3statsmultiplecollisionframes_hi;
+        u32 tx_stat_dot3statsmultiplecollisionframes_lo;
+        u32 tx_stat_dot3statsdeferredtransmissions_hi;
+        u32 tx_stat_dot3statsdeferredtransmissions_lo;
+        u32 tx_stat_dot3statsexcessivecollisions_hi;
+        u32 tx_stat_dot3statsexcessivecollisions_lo;
+        u32 tx_stat_dot3statslatecollisions_hi;
+        u32 tx_stat_dot3statslatecollisions_lo;
+        u32 tx_stat_etherstatspkts64octets_hi;
+        u32 tx_stat_etherstatspkts64octets_lo;
+        u32 tx_stat_etherstatspkts65octetsto127octets_hi;
+        u32 tx_stat_etherstatspkts65octetsto127octets_lo;
+        u32 tx_stat_etherstatspkts128octetsto255octets_hi;
+        u32 tx_stat_etherstatspkts128octetsto255octets_lo;
+        u32 tx_stat_etherstatspkts256octetsto511octets_hi;
+        u32 tx_stat_etherstatspkts256octetsto511octets_lo;
+        u32 tx_stat_etherstatspkts512octetsto1023octets_hi;
+        u32 tx_stat_etherstatspkts512octetsto1023octets_lo;
+        u32 tx_stat_etherstatspkts1024octetsto1522octets_hi;
+        u32 tx_stat_etherstatspkts1024octetsto1522octets_lo;
+        u32 tx_stat_etherstatspktsover1522octets_hi;
+        u32 tx_stat_etherstatspktsover1522octets_lo;
+        u32 tx_stat_bmac_2047_hi;
+        u32 tx_stat_bmac_2047_lo;
+        u32 tx_stat_bmac_4095_hi;
+        u32 tx_stat_bmac_4095_lo;
+        u32 tx_stat_bmac_9216_hi;
+        u32 tx_stat_bmac_9216_lo;
+        u32 tx_stat_bmac_16383_hi;
+        u32 tx_stat_bmac_16383_lo;
+        u32 tx_stat_dot3statsinternalmactransmiterrors_hi;
+        u32 tx_stat_dot3statsinternalmactransmiterrors_lo;
+        u32 tx_stat_bmac_ufl_hi;
+        u32 tx_stat_bmac_ufl_lo;
+
+        u32 pause_frames_received_hi;
+        u32 pause_frames_received_lo;
+        u32 pause_frames_sent_hi;
+        u32 pause_frames_sent_lo;
+
+        u32 etherstatspkts1024octetsto1522octets_hi;
+        u32 etherstatspkts1024octetsto1522octets_lo;
+        u32 etherstatspktsover1522octets_hi;
+        u32 etherstatspktsover1522octets_lo;
+
+        u32 brb_drop_hi;
+        u32 brb_drop_lo;
+        u32 brb_truncate_hi;
+        u32 brb_truncate_lo;
+
+        u32 mac_filter_discard;
+        u32 mf_tag_discard;
+        u32 brb_truncate_discard;
+        u32 mac_discard;
+
+        u32 driver_xoff;
+        u32 rx_err_discard_pkt;
+        u32 rx_skb_alloc_failed;
+        u32 hw_csum_err;
+
+        u32 nig_timer_max;
+
+        /* TPA */
+        u32 total_tpa_aggregations_hi;
+        u32 total_tpa_aggregations_lo;
+        u32 total_tpa_aggregated_frames_hi;
+        u32 total_tpa_aggregated_frames_lo;
+        u32 total_tpa_bytes_hi;
+        u32 total_tpa_bytes_lo;
+};
+
+
+struct bnx2x_eth_q_stats {
+        u32 total_unicast_bytes_received_hi;
+        u32 total_unicast_bytes_received_lo;
+        u32 total_broadcast_bytes_received_hi;
+        u32 total_broadcast_bytes_received_lo;
+        u32 total_multicast_bytes_received_hi;
+        u32 total_multicast_bytes_received_lo;
+        u32 total_bytes_received_hi;
+        u32 total_bytes_received_lo;
+        u32 total_unicast_bytes_transmitted_hi;
+        u32 total_unicast_bytes_transmitted_lo;
+        u32 total_broadcast_bytes_transmitted_hi;
+        u32 total_broadcast_bytes_transmitted_lo;
+        u32 total_multicast_bytes_transmitted_hi;
+        u32 total_multicast_bytes_transmitted_lo;
+        u32 total_bytes_transmitted_hi;
+        u32 total_bytes_transmitted_lo;
+        u32 total_unicast_packets_received_hi;
+        u32 total_unicast_packets_received_lo;
+        u32 total_multicast_packets_received_hi;
+        u32 total_multicast_packets_received_lo;
+        u32 total_broadcast_packets_received_hi;
+        u32 total_broadcast_packets_received_lo;
+        u32 total_unicast_packets_transmitted_hi;
+        u32 total_unicast_packets_transmitted_lo;
+        u32 total_multicast_packets_transmitted_hi;
+        u32 total_multicast_packets_transmitted_lo;
+        u32 total_broadcast_packets_transmitted_hi;
+        u32 total_broadcast_packets_transmitted_lo;
+        u32 valid_bytes_received_hi;
+        u32 valid_bytes_received_lo;
+
+        u32 etherstatsoverrsizepkts_hi;
+        u32 etherstatsoverrsizepkts_lo;
+        u32 no_buff_discard_hi;
+        u32 no_buff_discard_lo;
+
+        u32 driver_xoff;
+        u32 rx_err_discard_pkt;
+        u32 rx_skb_alloc_failed;
+        u32 hw_csum_err;
+
+        u32 total_packets_received_checksum_discarded_hi;
+        u32 total_packets_received_checksum_discarded_lo;
+        u32 total_packets_received_ttl0_discarded_hi;
+        u32 total_packets_received_ttl0_discarded_lo;
+        u32 total_transmitted_dropped_packets_error_hi;
+        u32 total_transmitted_dropped_packets_error_lo;
+
+        /* TPA */
+        u32 total_tpa_aggregations_hi;
+        u32 total_tpa_aggregations_lo;
+        u32 total_tpa_aggregated_frames_hi;
+        u32 total_tpa_aggregated_frames_lo;
+        u32 total_tpa_bytes_hi;
+        u32 total_tpa_bytes_lo;
+};
+
+/****************************************************************************
+* Macros
+****************************************************************************/
+
+/* 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)
+
+/* 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(s, t) \
+        do { \
+                diff = le32_to_cpu(tclient->s) - le32_to_cpu(old_tclient->s); \
+                old_tclient->s = tclient->s; \
+                ADD_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff); \
+        } while (0)
+
+#define UPDATE_EXTEND_USTAT(s, t) \
+        do { \
+                diff = le32_to_cpu(uclient->s) - le32_to_cpu(old_uclient->s); \
+                old_uclient->s = uclient->s; \
+                ADD_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff); \
+        } while (0)
+
+#define UPDATE_EXTEND_XSTAT(s, t) \
+        do { \
+                diff = le32_to_cpu(xclient->s) - le32_to_cpu(old_xclient->s); \
+                old_xclient->s = xclient->s; \
+                ADD_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff); \
+        } 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 { \
+                SUB_64(m_hi, 0, m_lo, s); \
+        } while (0)
+
+#define SUB_EXTEND_USTAT(s, t) \
+        do { \
+                diff = le32_to_cpu(uclient->s) - le32_to_cpu(old_uclient->s); \
+                SUB_EXTEND_64(qstats->t##_hi, qstats->t##_lo, diff); \
+        } while (0)
+
+
+/* forward */
+struct bnx2x;
+
+void bnx2x_stats_init(struct bnx2x *bp);
+
+void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event);
+
+#endif /* BNX2X_STATS_H */