Imported Upstream version 16.04

Change-Id: I77eadcd8538a9122e4773cbe55b24033dc451757
Signed-off-by: C.J. Collier <cjcollier@linuxfoundation.org>

1 files changed, 1586 insertions, 0 deletions

diff --git a/drivers/net/bnx2x/bnx2x_stats.c b/drivers/net/bnx2x/bnx2x_stats.c
new file mode 100644
index 00000000..c489cbee
--- /dev/null
+++ b/drivers/net/bnx2x/bnx2x_stats.c
@@ -0,0 +1,1586 @@
+/*-
+ * Copyright (c) 2007-2013 QLogic Corporation. All rights reserved.
+ *
+ * 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 QLogic Corporation.
+ * All rights reserved.
+ * www.qlogic.com
+ *
+ * See LICENSE.bnx2x_pmd for copyright and licensing details.
+ */
+
+#include "bnx2x.h"
+#include "bnx2x_stats.h"
+
+#ifdef __i386__
+#define BITS_PER_LONG 32
+#else
+#define BITS_PER_LONG 64
+#endif
+
+static inline uint16_t
+bnx2x_get_port_stats_dma_len(struct bnx2x_softc *sc)
+{
+	uint16_t res = 0;
+	uint32_t size;
+
+	/* 'newest' convention - shmem2 contains the size of the port stats */
+	if (SHMEM2_HAS(sc, sizeof_port_stats)) {
+		size = SHMEM2_RD(sc, sizeof_port_stats);
+		if (size) {
+			res = size;
+		}
+
+		/* prevent newer BC from causing buffer overflow */
+		if (res > sizeof(struct host_port_stats)) {
+			res = sizeof(struct host_port_stats);
+		}
+	}
+
+	/*
+	 * Older convention - all BCs support the port stats fields up until
+	 * the 'not_used' field
+	 */
+	if (!res) {
+		res = (offsetof(struct host_port_stats, not_used) + 4);
+
+		/* if PFC stats are supported by the MFW, DMA them as well */
+		if (sc->devinfo.bc_ver >= REQ_BC_VER_4_PFC_STATS_SUPPORTED) {
+			res += (offsetof(struct host_port_stats, pfc_frames_rx_lo) -
+				offsetof(struct host_port_stats, pfc_frames_tx_hi) + 4);
+		}
+	}
+
+	res >>= 2;
+
+	return res;
+}
+
+/*
+ * Init service functions
+ */
+
+/*
+ * Post the next statistics ramrod. Protect it with the lock in
+ * order to ensure the strict order between statistics ramrods
+ * (each ramrod has a sequence number passed in a
+ * sc->fw_stats_req->hdr.drv_stats_counter and ramrods must be
+ * sent in order).
+ */
+static void
+bnx2x_storm_stats_post(struct bnx2x_softc *sc)
+{
+	int rc;
+
+	if (!sc->stats_pending) {
+		if (sc->stats_pending) {
+			return;
+		}
+
+		sc->fw_stats_req->hdr.drv_stats_counter =
+			htole16(sc->stats_counter++);
+
+		PMD_DEBUG_PERIODIC_LOG(DEBUG,
+				"sending statistics ramrod %d",
+				le16toh(sc->fw_stats_req->hdr.drv_stats_counter));
+
+		/* adjust the ramrod to include VF queues statistics */
+
+		/* send FW stats ramrod */
+		rc = bnx2x_sp_post(sc, RAMROD_CMD_ID_COMMON_STAT_QUERY, 0,
+				U64_HI(sc->fw_stats_req_mapping),
+				U64_LO(sc->fw_stats_req_mapping),
+				NONE_CONNECTION_TYPE);
+		if (rc == 0) {
+			sc->stats_pending = 1;
+		}
+	}
+}
+
+static void
+bnx2x_hw_stats_post(struct bnx2x_softc *sc)
+{
+	struct dmae_command *dmae = &sc->stats_dmae;
+	uint32_t *stats_comp = BNX2X_SP(sc, stats_comp);
+	int loader_idx;
+	uint32_t opcode;
+
+	*stats_comp = DMAE_COMP_VAL;
+	if (CHIP_REV_IS_SLOW(sc)) {
+		return;
+	}
+
+	/* Update MCP's statistics if possible */
+	if (sc->func_stx) {
+		rte_memcpy(BNX2X_SP(sc, func_stats), &sc->func_stats,
+				sizeof(sc->func_stats));
+	}
+
+	/* loader */
+	if (sc->executer_idx) {
+		loader_idx = PMF_DMAE_C(sc);
+		opcode =  bnx2x_dmae_opcode(sc, DMAE_SRC_PCI, DMAE_DST_GRC,
+				TRUE, DMAE_COMP_GRC);
+		opcode = bnx2x_dmae_opcode_clr_src_reset(opcode);
+
+		memset(dmae, 0, sizeof(struct dmae_command));
+		dmae->opcode = opcode;
+		dmae->src_addr_lo = U64_LO(BNX2X_SP_MAPPING(sc, dmae[0]));
+		dmae->src_addr_hi = U64_HI(BNX2X_SP_MAPPING(sc, dmae[0]));
+		dmae->dst_addr_lo = ((DMAE_REG_CMD_MEM +
+					sizeof(struct dmae_command) *
+					(loader_idx + 1)) >> 2);
+		dmae->dst_addr_hi = 0;
+		dmae->len = sizeof(struct dmae_command) >> 2;
+		dmae->comp_addr_lo = (dmae_reg_go_c[loader_idx + 1] >> 2);
+		dmae->comp_addr_hi = 0;
+		dmae->comp_val = 1;
+
+		*stats_comp = 0;
+		bnx2x_post_dmae(sc, dmae, loader_idx);
+	} else if (sc->func_stx) {
+		*stats_comp = 0;
+		bnx2x_post_dmae(sc, dmae, INIT_DMAE_C(sc));
+	}
+}
+
+static int
+bnx2x_stats_comp(struct bnx2x_softc *sc)
+{
+	uint32_t *stats_comp = BNX2X_SP(sc, stats_comp);
+	int cnt = 10;
+
+	while (*stats_comp != DMAE_COMP_VAL) {
+		if (!cnt) {
+			PMD_DRV_LOG(ERR, "Timeout waiting for stats finished");
+			break;
+		}
+
+		cnt--;
+		DELAY(1000);
+	}
+
+	return 1;
+}
+
+/*
+ * Statistics service functions
+ */
+
+static void
+bnx2x_stats_pmf_update(struct bnx2x_softc *sc)
+{
+	struct dmae_command *dmae;
+	uint32_t opcode;
+	int loader_idx = PMF_DMAE_C(sc);
+	uint32_t *stats_comp = BNX2X_SP(sc, stats_comp);
+
+	if (sc->devinfo.bc_ver <= 0x06001400) {
+		/*
+		 * Bootcode v6.0.21 fixed a GRC timeout that occurs when accessing
+		 * BRB registers while the BRB block is in reset. The DMA transfer
+		 * below triggers this issue resulting in the DMAE to stop
+		 * functioning. Skip this initial stats transfer for old bootcode
+		 * versions <= 6.0.20.
+		 */
+		return;
+	}
+	/* sanity */
+	if (!sc->port.pmf || !sc->port.port_stx) {
+		PMD_DRV_LOG(ERR, "BUG!");
+		return;
+	}
+
+	sc->executer_idx = 0;
+
+	opcode = bnx2x_dmae_opcode(sc, DMAE_SRC_GRC, DMAE_DST_PCI, FALSE, 0);
+
+	dmae = BNX2X_SP(sc, dmae[sc->executer_idx++]);
+	dmae->opcode = bnx2x_dmae_opcode_add_comp(opcode, DMAE_COMP_GRC);
+	dmae->src_addr_lo = (sc->port.port_stx >> 2);
+	dmae->src_addr_hi = 0;
+	dmae->dst_addr_lo = U64_LO(BNX2X_SP_MAPPING(sc, port_stats));
+	dmae->dst_addr_hi = U64_HI(BNX2X_SP_MAPPING(sc, port_stats));
+	dmae->len = DMAE_LEN32_RD_MAX;
+	dmae->comp_addr_lo = (dmae_reg_go_c[loader_idx] >> 2);
+	dmae->comp_addr_hi = 0;
+	dmae->comp_val = 1;
+
+	dmae = BNX2X_SP(sc, dmae[sc->executer_idx++]);
+	dmae->opcode = bnx2x_dmae_opcode_add_comp(opcode, DMAE_COMP_PCI);
+	dmae->src_addr_lo = ((sc->port.port_stx >> 2) + DMAE_LEN32_RD_MAX);
+	dmae->src_addr_hi = 0;
+	dmae->dst_addr_lo = U64_LO(BNX2X_SP_MAPPING(sc, port_stats) +
+			DMAE_LEN32_RD_MAX * 4);
+	dmae->dst_addr_hi = U64_HI(BNX2X_SP_MAPPING(sc, port_stats) +
+			DMAE_LEN32_RD_MAX * 4);
+	dmae->len = (bnx2x_get_port_stats_dma_len(sc) - DMAE_LEN32_RD_MAX);
+
+	dmae->comp_addr_lo = U64_LO(BNX2X_SP_MAPPING(sc, stats_comp));
+	dmae->comp_addr_hi = U64_HI(BNX2X_SP_MAPPING(sc, stats_comp));
+	dmae->comp_val = DMAE_COMP_VAL;
+
+	*stats_comp = 0;
+	bnx2x_hw_stats_post(sc);
+	bnx2x_stats_comp(sc);
+}
+
+static void
+bnx2x_port_stats_init(struct bnx2x_softc *sc)
+{
+    struct dmae_command *dmae;
+    int port = SC_PORT(sc);
+    uint32_t opcode;
+    int loader_idx = PMF_DMAE_C(sc);
+    uint32_t mac_addr;
+    uint32_t *stats_comp = BNX2X_SP(sc, stats_comp);
+
+    /* sanity */
+    if (!sc->link_vars.link_up || !sc->port.pmf) {
+	PMD_DRV_LOG(ERR, "BUG!");
+	return;
+    }
+
+    sc->executer_idx = 0;
+
+    /* MCP */
+    opcode = bnx2x_dmae_opcode(sc, DMAE_SRC_PCI, DMAE_DST_GRC,
+			     TRUE, DMAE_COMP_GRC);
+
+    if (sc->port.port_stx) {
+	dmae = BNX2X_SP(sc, dmae[sc->executer_idx++]);
+	dmae->opcode = opcode;
+	dmae->src_addr_lo = U64_LO(BNX2X_SP_MAPPING(sc, port_stats));
+	dmae->src_addr_hi = U64_HI(BNX2X_SP_MAPPING(sc, port_stats));
+	dmae->dst_addr_lo = sc->port.port_stx >> 2;
+	dmae->dst_addr_hi = 0;
+	dmae->len = bnx2x_get_port_stats_dma_len(sc);
+	dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
+	dmae->comp_addr_hi = 0;
+	dmae->comp_val = 1;
+    }
+
+    if (sc->func_stx) {
+	dmae = BNX2X_SP(sc, dmae[sc->executer_idx++]);
+	dmae->opcode = opcode;
+	dmae->src_addr_lo = U64_LO(BNX2X_SP_MAPPING(sc, func_stats));
+	dmae->src_addr_hi = U64_HI(BNX2X_SP_MAPPING(sc, func_stats));
+	dmae->dst_addr_lo = (sc->func_stx >> 2);
+	dmae->dst_addr_hi = 0;
+	dmae->len = (sizeof(struct host_func_stats) >> 2);
+	dmae->comp_addr_lo = (dmae_reg_go_c[loader_idx] >> 2);
+	dmae->comp_addr_hi = 0;
+	dmae->comp_val = 1;
+    }
+
+    /* MAC */
+    opcode = bnx2x_dmae_opcode(sc, DMAE_SRC_GRC, DMAE_DST_PCI,
+			     TRUE, DMAE_COMP_GRC);
+
+    /* EMAC is special */
+    if (sc->link_vars.mac_type == ELINK_MAC_TYPE_EMAC) {
+	mac_addr = (port ? GRCBASE_EMAC1 : GRCBASE_EMAC0);
+
+	/* EMAC_REG_EMAC_RX_STAT_AC (EMAC_REG_EMAC_RX_STAT_AC_COUNT)*/
+	dmae = BNX2X_SP(sc, dmae[sc->executer_idx++]);
+	dmae->opcode = opcode;
+	dmae->src_addr_lo = (mac_addr + EMAC_REG_EMAC_RX_STAT_AC) >> 2;
+	dmae->src_addr_hi = 0;
+	dmae->dst_addr_lo = U64_LO(BNX2X_SP_MAPPING(sc, mac_stats));
+	dmae->dst_addr_hi = U64_HI(BNX2X_SP_MAPPING(sc, mac_stats));
+	dmae->len = EMAC_REG_EMAC_RX_STAT_AC_COUNT;
+	dmae->comp_addr_lo = (dmae_reg_go_c[loader_idx] >> 2);
+	dmae->comp_addr_hi = 0;
+	dmae->comp_val = 1;
+
+	/* EMAC_REG_EMAC_RX_STAT_AC_28 */
+	dmae = BNX2X_SP(sc, dmae[sc->executer_idx++]);
+	dmae->opcode = opcode;
+	dmae->src_addr_lo = ((mac_addr + EMAC_REG_EMAC_RX_STAT_AC_28) >> 2);
+	dmae->src_addr_hi = 0;
+	dmae->dst_addr_lo = U64_LO(BNX2X_SP_MAPPING(sc, mac_stats) +
+				   offsetof(struct emac_stats,
+					    rx_stat_falsecarriererrors));
+	dmae->dst_addr_hi = U64_HI(BNX2X_SP_MAPPING(sc, mac_stats) +
+				   offsetof(struct emac_stats,
+					    rx_stat_falsecarriererrors));
+	dmae->len = 1;
+	dmae->comp_addr_lo = (dmae_reg_go_c[loader_idx] >> 2);
+	dmae->comp_addr_hi = 0;
+	dmae->comp_val = 1;
+
+	/* EMAC_REG_EMAC_TX_STAT_AC (EMAC_REG_EMAC_TX_STAT_AC_COUNT)*/
+	dmae = BNX2X_SP(sc, dmae[sc->executer_idx++]);
+	dmae->opcode = opcode;
+	dmae->src_addr_lo = ((mac_addr + EMAC_REG_EMAC_TX_STAT_AC) >> 2);
+	dmae->src_addr_hi = 0;
+	dmae->dst_addr_lo = U64_LO(BNX2X_SP_MAPPING(sc, mac_stats) +
+				   offsetof(struct emac_stats,
+					    tx_stat_ifhcoutoctets));
+	dmae->dst_addr_hi = U64_HI(BNX2X_SP_MAPPING(sc, mac_stats) +
+				   offsetof(struct emac_stats,
+					    tx_stat_ifhcoutoctets));
+	dmae->len = EMAC_REG_EMAC_TX_STAT_AC_COUNT;
+	dmae->comp_addr_lo = (dmae_reg_go_c[loader_idx] >> 2);
+	dmae->comp_addr_hi = 0;
+	dmae->comp_val = 1;
+    } else {
+	uint32_t tx_src_addr_lo, rx_src_addr_lo;
+	uint16_t rx_len, tx_len;
+
+	/* configure the params according to MAC type */
+	switch (sc->link_vars.mac_type) {
+	case ELINK_MAC_TYPE_BMAC:
+	    mac_addr = (port) ? NIG_REG_INGRESS_BMAC1_MEM :
+				NIG_REG_INGRESS_BMAC0_MEM;
+
+	    /* BIGMAC_REGISTER_TX_STAT_GTPKT ..
+	       BIGMAC_REGISTER_TX_STAT_GTBYT */
+	    if (CHIP_IS_E1x(sc)) {
+		tx_src_addr_lo =
+		    ((mac_addr + BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2);
+		tx_len = ((8 + BIGMAC_REGISTER_TX_STAT_GTBYT -
+			   BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2);
+		rx_src_addr_lo =
+		    ((mac_addr + BIGMAC_REGISTER_RX_STAT_GR64) >> 2);
+		rx_len = ((8 + BIGMAC_REGISTER_RX_STAT_GRIPJ -
+			   BIGMAC_REGISTER_RX_STAT_GR64) >> 2);
+	    } else {
+		tx_src_addr_lo =
+		    ((mac_addr + BIGMAC2_REGISTER_TX_STAT_GTPOK) >> 2);
+		tx_len = ((8 + BIGMAC2_REGISTER_TX_STAT_GTBYT -
+			   BIGMAC2_REGISTER_TX_STAT_GTPOK) >> 2);
+		rx_src_addr_lo =
+		    ((mac_addr + BIGMAC2_REGISTER_RX_STAT_GR64) >> 2);
+		rx_len = ((8 + BIGMAC2_REGISTER_RX_STAT_GRIPJ -
+			   BIGMAC2_REGISTER_RX_STAT_GR64) >> 2);
+	    }
+
+	    break;
+
+	case ELINK_MAC_TYPE_UMAC: /* handled by MSTAT */
+	case ELINK_MAC_TYPE_XMAC: /* handled by MSTAT */
+	default:
+	    mac_addr = (port) ? GRCBASE_MSTAT1 : GRCBASE_MSTAT0;
+	    tx_src_addr_lo = ((mac_addr + MSTAT_REG_TX_STAT_GTXPOK_LO) >> 2);
+	    rx_src_addr_lo = ((mac_addr + MSTAT_REG_RX_STAT_GR64_LO) >> 2);
+	    tx_len =
+		(sizeof(sc->sp->mac_stats.mstat_stats.stats_tx) >> 2);
+	    rx_len =
+		(sizeof(sc->sp->mac_stats.mstat_stats.stats_rx) >> 2);
+	    break;
+	}
+
+	/* TX stats */
+	dmae = BNX2X_SP(sc, dmae[sc->executer_idx++]);
+	dmae->opcode = opcode;
+	dmae->src_addr_lo = tx_src_addr_lo;
+	dmae->src_addr_hi = 0;
+	dmae->len = tx_len;
+	dmae->dst_addr_lo = U64_LO(BNX2X_SP_MAPPING(sc, mac_stats));
+	dmae->dst_addr_hi = U64_HI(BNX2X_SP_MAPPING(sc, mac_stats));
+	dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
+	dmae->comp_addr_hi = 0;
+	dmae->comp_val = 1;
+
+	/* RX stats */
+	dmae = BNX2X_SP(sc, dmae[sc->executer_idx++]);
+	dmae->opcode = opcode;
+	dmae->src_addr_hi = 0;
+	dmae->src_addr_lo = rx_src_addr_lo;
+	dmae->dst_addr_lo =
+	    U64_LO(BNX2X_SP_MAPPING(sc, mac_stats) + (tx_len << 2));
+	dmae->dst_addr_hi =
+	    U64_HI(BNX2X_SP_MAPPING(sc, mac_stats) + (tx_len << 2));
+	dmae->len = rx_len;
+	dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
+	dmae->comp_addr_hi = 0;
+	dmae->comp_val = 1;
+    }
+
+    /* NIG */
+    if (!CHIP_IS_E3(sc)) {
+	dmae = BNX2X_SP(sc, dmae[sc->executer_idx++]);
+	dmae->opcode = opcode;
+	dmae->src_addr_lo =
+	    (port ? NIG_REG_STAT1_EGRESS_MAC_PKT0 :
+		    NIG_REG_STAT0_EGRESS_MAC_PKT0) >> 2;
+	dmae->src_addr_hi = 0;
+	dmae->dst_addr_lo = U64_LO(BNX2X_SP_MAPPING(sc, nig_stats) +
+				   offsetof(struct nig_stats,
+					    egress_mac_pkt0_lo));
+	dmae->dst_addr_hi = U64_HI(BNX2X_SP_MAPPING(sc, nig_stats) +
+				   offsetof(struct nig_stats,
+					    egress_mac_pkt0_lo));
+	dmae->len = ((2 * sizeof(uint32_t)) >> 2);
+	dmae->comp_addr_lo = (dmae_reg_go_c[loader_idx] >> 2);
+	dmae->comp_addr_hi = 0;
+	dmae->comp_val = 1;
+
+	dmae = BNX2X_SP(sc, dmae[sc->executer_idx++]);
+	dmae->opcode = opcode;
+	dmae->src_addr_lo =
+	    (port ? NIG_REG_STAT1_EGRESS_MAC_PKT1 :
+		    NIG_REG_STAT0_EGRESS_MAC_PKT1) >> 2;
+	dmae->src_addr_hi = 0;
+	dmae->dst_addr_lo = U64_LO(BNX2X_SP_MAPPING(sc, nig_stats) +
+				   offsetof(struct nig_stats,
+					    egress_mac_pkt1_lo));
+	dmae->dst_addr_hi = U64_HI(BNX2X_SP_MAPPING(sc, nig_stats) +
+				   offsetof(struct nig_stats,
+					    egress_mac_pkt1_lo));
+	dmae->len = ((2 * sizeof(uint32_t)) >> 2);
+	dmae->comp_addr_lo = (dmae_reg_go_c[loader_idx] >> 2);
+	dmae->comp_addr_hi = 0;
+	dmae->comp_val = 1;
+    }
+
+    dmae = BNX2X_SP(sc, dmae[sc->executer_idx++]);
+    dmae->opcode = bnx2x_dmae_opcode(sc, DMAE_SRC_GRC, DMAE_DST_PCI,
+				   TRUE, DMAE_COMP_PCI);
+    dmae->src_addr_lo =
+	(port ? NIG_REG_STAT1_BRB_DISCARD :
+		NIG_REG_STAT0_BRB_DISCARD) >> 2;
+    dmae->src_addr_hi = 0;
+    dmae->dst_addr_lo = U64_LO(BNX2X_SP_MAPPING(sc, nig_stats));
+    dmae->dst_addr_hi = U64_HI(BNX2X_SP_MAPPING(sc, nig_stats));
+    dmae->len = (sizeof(struct nig_stats) - 4*sizeof(uint32_t)) >> 2;
+
+    dmae->comp_addr_lo = U64_LO(BNX2X_SP_MAPPING(sc, stats_comp));
+    dmae->comp_addr_hi = U64_HI(BNX2X_SP_MAPPING(sc, stats_comp));
+    dmae->comp_val = DMAE_COMP_VAL;
+
+    *stats_comp = 0;
+}
+
+static void
+bnx2x_func_stats_init(struct bnx2x_softc *sc)
+{
+    struct dmae_command *dmae = &sc->stats_dmae;
+    uint32_t *stats_comp = BNX2X_SP(sc, stats_comp);
+
+    /* sanity */
+    if (!sc->func_stx) {
+	PMD_DRV_LOG(ERR, "BUG!");
+	return;
+    }
+
+    sc->executer_idx = 0;
+    memset(dmae, 0, sizeof(struct dmae_command));
+
+    dmae->opcode = bnx2x_dmae_opcode(sc, DMAE_SRC_PCI, DMAE_DST_GRC,
+				   TRUE, DMAE_COMP_PCI);
+    dmae->src_addr_lo = U64_LO(BNX2X_SP_MAPPING(sc, func_stats));
+    dmae->src_addr_hi = U64_HI(BNX2X_SP_MAPPING(sc, func_stats));
+    dmae->dst_addr_lo = (sc->func_stx >> 2);
+    dmae->dst_addr_hi = 0;
+    dmae->len = (sizeof(struct host_func_stats) >> 2);
+    dmae->comp_addr_lo = U64_LO(BNX2X_SP_MAPPING(sc, stats_comp));
+    dmae->comp_addr_hi = U64_HI(BNX2X_SP_MAPPING(sc, stats_comp));
+    dmae->comp_val = DMAE_COMP_VAL;
+
+    *stats_comp = 0;
+}
+
+static void
+bnx2x_stats_start(struct bnx2x_softc *sc)
+{
+    /*
+     * VFs travel through here as part of the statistics FSM, but no action
+     * is required
+     */
+    if (IS_VF(sc)) {
+	return;
+    }
+
+    if (sc->port.pmf) {
+	bnx2x_port_stats_init(sc);
+    }
+
+    else if (sc->func_stx) {
+	bnx2x_func_stats_init(sc);
+    }
+
+    bnx2x_hw_stats_post(sc);
+    bnx2x_storm_stats_post(sc);
+}
+
+static void
+bnx2x_stats_pmf_start(struct bnx2x_softc *sc)
+{
+    bnx2x_stats_comp(sc);
+    bnx2x_stats_pmf_update(sc);
+    bnx2x_stats_start(sc);
+}
+
+static void
+bnx2x_stats_restart(struct bnx2x_softc *sc)
+{
+    /*
+     * VFs travel through here as part of the statistics FSM, but no action
+     * is required
+     */
+    if (IS_VF(sc)) {
+	return;
+    }
+
+    bnx2x_stats_comp(sc);
+    bnx2x_stats_start(sc);
+}
+
+static void
+bnx2x_bmac_stats_update(struct bnx2x_softc *sc)
+{
+    struct host_port_stats *pstats = BNX2X_SP(sc, port_stats);
+    struct bnx2x_eth_stats *estats = &sc->eth_stats;
+    struct {
+	uint32_t lo;
+	uint32_t hi;
+    } diff;
+
+    if (CHIP_IS_E1x(sc)) {
+	struct bmac1_stats *new = BNX2X_SP(sc, mac_stats.bmac1_stats);
+
+	/* the macros below will use "bmac1_stats" type */
+	UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
+	UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
+	UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
+	UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
+	UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
+	UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
+	UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived);
+	UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered);
+	UPDATE_STAT64(rx_stat_grxpf, rx_stat_mac_xpf);
+
+	UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent);
+	UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone);
+	UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets);
+	UPDATE_STAT64(tx_stat_gt127,
+		      tx_stat_etherstatspkts65octetsto127octets);
+	UPDATE_STAT64(tx_stat_gt255,
+		      tx_stat_etherstatspkts128octetsto255octets);
+	UPDATE_STAT64(tx_stat_gt511,
+		      tx_stat_etherstatspkts256octetsto511octets);
+	UPDATE_STAT64(tx_stat_gt1023,
+		      tx_stat_etherstatspkts512octetsto1023octets);
+	UPDATE_STAT64(tx_stat_gt1518,
+		      tx_stat_etherstatspkts1024octetsto1522octets);
+	UPDATE_STAT64(tx_stat_gt2047, tx_stat_mac_2047);
+	UPDATE_STAT64(tx_stat_gt4095, tx_stat_mac_4095);
+	UPDATE_STAT64(tx_stat_gt9216, tx_stat_mac_9216);
+	UPDATE_STAT64(tx_stat_gt16383, tx_stat_mac_16383);
+	UPDATE_STAT64(tx_stat_gterr,
+		      tx_stat_dot3statsinternalmactransmiterrors);
+	UPDATE_STAT64(tx_stat_gtufl, tx_stat_mac_ufl);
+    } else {
+	struct bmac2_stats *new = BNX2X_SP(sc, mac_stats.bmac2_stats);
+	struct bnx2x_fw_port_stats_old *fwstats = &sc->fw_stats_old;
+
+	/* the macros below will use "bmac2_stats" type */
+	UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
+	UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
+	UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
+	UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
+	UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
+	UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
+	UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived);
+	UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered);
+	UPDATE_STAT64(rx_stat_grxpf, rx_stat_mac_xpf);
+	UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent);
+	UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone);
+	UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets);
+	UPDATE_STAT64(tx_stat_gt127,
+		      tx_stat_etherstatspkts65octetsto127octets);
+	UPDATE_STAT64(tx_stat_gt255,
+		      tx_stat_etherstatspkts128octetsto255octets);
+	UPDATE_STAT64(tx_stat_gt511,
+		      tx_stat_etherstatspkts256octetsto511octets);
+	UPDATE_STAT64(tx_stat_gt1023,
+		      tx_stat_etherstatspkts512octetsto1023octets);
+	UPDATE_STAT64(tx_stat_gt1518,
+		      tx_stat_etherstatspkts1024octetsto1522octets);
+	UPDATE_STAT64(tx_stat_gt2047, tx_stat_mac_2047);
+	UPDATE_STAT64(tx_stat_gt4095, tx_stat_mac_4095);
+	UPDATE_STAT64(tx_stat_gt9216, tx_stat_mac_9216);
+	UPDATE_STAT64(tx_stat_gt16383, tx_stat_mac_16383);
+	UPDATE_STAT64(tx_stat_gterr,
+		      tx_stat_dot3statsinternalmactransmiterrors);
+	UPDATE_STAT64(tx_stat_gtufl, tx_stat_mac_ufl);
+
+	/* collect PFC stats */
+	pstats->pfc_frames_tx_hi = new->tx_stat_gtpp_hi;
+	pstats->pfc_frames_tx_lo = new->tx_stat_gtpp_lo;
+	ADD_64(pstats->pfc_frames_tx_hi, fwstats->pfc_frames_tx_hi,
+	       pstats->pfc_frames_tx_lo, fwstats->pfc_frames_tx_lo);
+
+	pstats->pfc_frames_rx_hi = new->rx_stat_grpp_hi;
+	pstats->pfc_frames_rx_lo = new->rx_stat_grpp_lo;
+	ADD_64(pstats->pfc_frames_rx_hi, fwstats->pfc_frames_rx_hi,
+	       pstats->pfc_frames_rx_lo, fwstats->pfc_frames_rx_lo);
+    }
+
+    estats->pause_frames_received_hi = pstats->mac_stx[1].rx_stat_mac_xpf_hi;
+    estats->pause_frames_received_lo = pstats->mac_stx[1].rx_stat_mac_xpf_lo;
+
+    estats->pause_frames_sent_hi = pstats->mac_stx[1].tx_stat_outxoffsent_hi;
+    estats->pause_frames_sent_lo = pstats->mac_stx[1].tx_stat_outxoffsent_lo;
+
+    estats->pfc_frames_received_hi = pstats->pfc_frames_rx_hi;
+    estats->pfc_frames_received_lo = pstats->pfc_frames_rx_lo;
+    estats->pfc_frames_sent_hi = pstats->pfc_frames_tx_hi;
+    estats->pfc_frames_sent_lo = pstats->pfc_frames_tx_lo;
+}
+
+static void
+bnx2x_mstat_stats_update(struct bnx2x_softc *sc)
+{
+    struct host_port_stats *pstats = BNX2X_SP(sc, port_stats);
+    struct bnx2x_eth_stats *estats = &sc->eth_stats;
+    struct mstat_stats *new = BNX2X_SP(sc, mac_stats.mstat_stats);
+
+    ADD_STAT64(stats_rx.rx_grerb, rx_stat_ifhcinbadoctets);
+    ADD_STAT64(stats_rx.rx_grfcs, rx_stat_dot3statsfcserrors);
+    ADD_STAT64(stats_rx.rx_grund, rx_stat_etherstatsundersizepkts);
+    ADD_STAT64(stats_rx.rx_grovr, rx_stat_dot3statsframestoolong);
+    ADD_STAT64(stats_rx.rx_grfrg, rx_stat_etherstatsfragments);
+    ADD_STAT64(stats_rx.rx_grxcf, rx_stat_maccontrolframesreceived);
+    ADD_STAT64(stats_rx.rx_grxpf, rx_stat_xoffstateentered);
+    ADD_STAT64(stats_rx.rx_grxpf, rx_stat_mac_xpf);
+    ADD_STAT64(stats_tx.tx_gtxpf, tx_stat_outxoffsent);
+    ADD_STAT64(stats_tx.tx_gtxpf, tx_stat_flowcontroldone);
+
+    /* collect pfc stats */
+    ADD_64(pstats->pfc_frames_tx_hi, new->stats_tx.tx_gtxpp_hi,
+	   pstats->pfc_frames_tx_lo, new->stats_tx.tx_gtxpp_lo);
+    ADD_64(pstats->pfc_frames_rx_hi, new->stats_rx.rx_grxpp_hi,
+	   pstats->pfc_frames_rx_lo, new->stats_rx.rx_grxpp_lo);
+
+    ADD_STAT64(stats_tx.tx_gt64, tx_stat_etherstatspkts64octets);
+    ADD_STAT64(stats_tx.tx_gt127, tx_stat_etherstatspkts65octetsto127octets);
+    ADD_STAT64(stats_tx.tx_gt255, tx_stat_etherstatspkts128octetsto255octets);
+    ADD_STAT64(stats_tx.tx_gt511, tx_stat_etherstatspkts256octetsto511octets);
+    ADD_STAT64(stats_tx.tx_gt1023,
+	       tx_stat_etherstatspkts512octetsto1023octets);
+    ADD_STAT64(stats_tx.tx_gt1518,
+	       tx_stat_etherstatspkts1024octetsto1522octets);
+    ADD_STAT64(stats_tx.tx_gt2047, tx_stat_mac_2047);
+
+    ADD_STAT64(stats_tx.tx_gt4095, tx_stat_mac_4095);
+    ADD_STAT64(stats_tx.tx_gt9216, tx_stat_mac_9216);
+    ADD_STAT64(stats_tx.tx_gt16383, tx_stat_mac_16383);
+
+    ADD_STAT64(stats_tx.tx_gterr, tx_stat_dot3statsinternalmactransmiterrors);
+    ADD_STAT64(stats_tx.tx_gtufl, tx_stat_mac_ufl);
+
+    estats->etherstatspkts1024octetsto1522octets_hi =
+	pstats->mac_stx[1].tx_stat_etherstatspkts1024octetsto1522octets_hi;
+    estats->etherstatspkts1024octetsto1522octets_lo =
+	pstats->mac_stx[1].tx_stat_etherstatspkts1024octetsto1522octets_lo;
+
+    estats->etherstatspktsover1522octets_hi =
+	pstats->mac_stx[1].tx_stat_mac_2047_hi;
+    estats->etherstatspktsover1522octets_lo =
+	pstats->mac_stx[1].tx_stat_mac_2047_lo;
+
+    ADD_64(estats->etherstatspktsover1522octets_hi,
+	   pstats->mac_stx[1].tx_stat_mac_4095_hi,
+	   estats->etherstatspktsover1522octets_lo,
+	   pstats->mac_stx[1].tx_stat_mac_4095_lo);
+
+    ADD_64(estats->etherstatspktsover1522octets_hi,
+	   pstats->mac_stx[1].tx_stat_mac_9216_hi,
+	   estats->etherstatspktsover1522octets_lo,
+	   pstats->mac_stx[1].tx_stat_mac_9216_lo);
+
+    ADD_64(estats->etherstatspktsover1522octets_hi,
+	   pstats->mac_stx[1].tx_stat_mac_16383_hi,
+	   estats->etherstatspktsover1522octets_lo,
+	   pstats->mac_stx[1].tx_stat_mac_16383_lo);
+
+    estats->pause_frames_received_hi = pstats->mac_stx[1].rx_stat_mac_xpf_hi;
+    estats->pause_frames_received_lo = pstats->mac_stx[1].rx_stat_mac_xpf_lo;
+
+    estats->pause_frames_sent_hi = pstats->mac_stx[1].tx_stat_outxoffsent_hi;
+    estats->pause_frames_sent_lo = pstats->mac_stx[1].tx_stat_outxoffsent_lo;
+
+    estats->pfc_frames_received_hi = pstats->pfc_frames_rx_hi;
+    estats->pfc_frames_received_lo = pstats->pfc_frames_rx_lo;
+    estats->pfc_frames_sent_hi = pstats->pfc_frames_tx_hi;
+    estats->pfc_frames_sent_lo = pstats->pfc_frames_tx_lo;
+}
+
+static void
+bnx2x_emac_stats_update(struct bnx2x_softc *sc)
+{
+    struct emac_stats *new = BNX2X_SP(sc, mac_stats.emac_stats);
+    struct host_port_stats *pstats = BNX2X_SP(sc, port_stats);
+    struct bnx2x_eth_stats *estats = &sc->eth_stats;
+
+    UPDATE_EXTEND_STAT(rx_stat_ifhcinbadoctets);
+    UPDATE_EXTEND_STAT(tx_stat_ifhcoutbadoctets);
+    UPDATE_EXTEND_STAT(rx_stat_dot3statsfcserrors);
+    UPDATE_EXTEND_STAT(rx_stat_dot3statsalignmenterrors);
+    UPDATE_EXTEND_STAT(rx_stat_dot3statscarriersenseerrors);
+    UPDATE_EXTEND_STAT(rx_stat_falsecarriererrors);
+    UPDATE_EXTEND_STAT(rx_stat_etherstatsundersizepkts);
+    UPDATE_EXTEND_STAT(rx_stat_dot3statsframestoolong);
+    UPDATE_EXTEND_STAT(rx_stat_etherstatsfragments);
+    UPDATE_EXTEND_STAT(rx_stat_etherstatsjabbers);
+    UPDATE_EXTEND_STAT(rx_stat_maccontrolframesreceived);
+    UPDATE_EXTEND_STAT(rx_stat_xoffstateentered);
+    UPDATE_EXTEND_STAT(rx_stat_xonpauseframesreceived);
+    UPDATE_EXTEND_STAT(rx_stat_xoffpauseframesreceived);
+    UPDATE_EXTEND_STAT(tx_stat_outxonsent);
+    UPDATE_EXTEND_STAT(tx_stat_outxoffsent);
+    UPDATE_EXTEND_STAT(tx_stat_flowcontroldone);
+    UPDATE_EXTEND_STAT(tx_stat_etherstatscollisions);
+    UPDATE_EXTEND_STAT(tx_stat_dot3statssinglecollisionframes);
+    UPDATE_EXTEND_STAT(tx_stat_dot3statsmultiplecollisionframes);
+    UPDATE_EXTEND_STAT(tx_stat_dot3statsdeferredtransmissions);
+    UPDATE_EXTEND_STAT(tx_stat_dot3statsexcessivecollisions);
+    UPDATE_EXTEND_STAT(tx_stat_dot3statslatecollisions);
+    UPDATE_EXTEND_STAT(tx_stat_etherstatspkts64octets);
+    UPDATE_EXTEND_STAT(tx_stat_etherstatspkts65octetsto127octets);
+    UPDATE_EXTEND_STAT(tx_stat_etherstatspkts128octetsto255octets);
+    UPDATE_EXTEND_STAT(tx_stat_etherstatspkts256octetsto511octets);
+    UPDATE_EXTEND_STAT(tx_stat_etherstatspkts512octetsto1023octets);
+    UPDATE_EXTEND_STAT(tx_stat_etherstatspkts1024octetsto1522octets);
+    UPDATE_EXTEND_STAT(tx_stat_etherstatspktsover1522octets);
+    UPDATE_EXTEND_STAT(tx_stat_dot3statsinternalmactransmiterrors);
+
+    estats->pause_frames_received_hi =
+	pstats->mac_stx[1].rx_stat_xonpauseframesreceived_hi;
+    estats->pause_frames_received_lo =
+	pstats->mac_stx[1].rx_stat_xonpauseframesreceived_lo;
+    ADD_64(estats->pause_frames_received_hi,
+	   pstats->mac_stx[1].rx_stat_xoffpauseframesreceived_hi,
+	   estats->pause_frames_received_lo,
+	   pstats->mac_stx[1].rx_stat_xoffpauseframesreceived_lo);
+
+    estats->pause_frames_sent_hi =
+	pstats->mac_stx[1].tx_stat_outxonsent_hi;
+    estats->pause_frames_sent_lo =
+	pstats->mac_stx[1].tx_stat_outxonsent_lo;
+    ADD_64(estats->pause_frames_sent_hi,
+	   pstats->mac_stx[1].tx_stat_outxoffsent_hi,
+	   estats->pause_frames_sent_lo,
+	   pstats->mac_stx[1].tx_stat_outxoffsent_lo);
+}
+
+static int
+bnx2x_hw_stats_update(struct bnx2x_softc *sc)
+{
+    struct nig_stats *new = BNX2X_SP(sc, nig_stats);
+    struct nig_stats *old = &(sc->port.old_nig_stats);
+    struct host_port_stats *pstats = BNX2X_SP(sc, port_stats);
+    struct bnx2x_eth_stats *estats = &sc->eth_stats;
+    uint32_t lpi_reg, nig_timer_max;
+    struct {
+	uint32_t lo;
+	uint32_t hi;
+    } diff;
+
+    switch (sc->link_vars.mac_type) {
+    case ELINK_MAC_TYPE_BMAC:
+	bnx2x_bmac_stats_update(sc);
+	break;
+
+    case ELINK_MAC_TYPE_EMAC:
+	bnx2x_emac_stats_update(sc);
+	break;
+
+    case ELINK_MAC_TYPE_UMAC:
+    case ELINK_MAC_TYPE_XMAC:
+	bnx2x_mstat_stats_update(sc);
+	break;
+
+    case ELINK_MAC_TYPE_NONE: /* unreached */
+	PMD_DRV_LOG(DEBUG,
+	      "stats updated by DMAE but no MAC active");
+	return -1;
+
+    default: /* unreached */
+	PMD_DRV_LOG(ERR, "stats update failed, unknown MAC type");
+    }
+
+    ADD_EXTEND_64(pstats->brb_drop_hi, pstats->brb_drop_lo,
+		  new->brb_discard - old->brb_discard);
+    ADD_EXTEND_64(estats->brb_truncate_hi, estats->brb_truncate_lo,
+		  new->brb_truncate - old->brb_truncate);
+
+    if (!CHIP_IS_E3(sc)) {
+	UPDATE_STAT64_NIG(egress_mac_pkt0,
+			  etherstatspkts1024octetsto1522octets);
+	UPDATE_STAT64_NIG(egress_mac_pkt1,
+			  etherstatspktsover1522octets);
+    }
+
+    rte_memcpy(old, new, sizeof(struct nig_stats));
+
+    rte_memcpy(&(estats->rx_stat_ifhcinbadoctets_hi), &(pstats->mac_stx[1]),
+	   sizeof(struct mac_stx));
+    estats->brb_drop_hi = pstats->brb_drop_hi;
+    estats->brb_drop_lo = pstats->brb_drop_lo;
+
+    pstats->host_port_stats_counter++;
+
+    if (CHIP_IS_E3(sc)) {
+	lpi_reg = (SC_PORT(sc)) ?
+		      MISC_REG_CPMU_LP_SM_ENT_CNT_P1 :
+		      MISC_REG_CPMU_LP_SM_ENT_CNT_P0;
+	estats->eee_tx_lpi += REG_RD(sc, lpi_reg);
+    }
+
+    if (!BNX2X_NOMCP(sc)) {
+	nig_timer_max = SHMEM_RD(sc, port_mb[SC_PORT(sc)].stat_nig_timer);
+	if (nig_timer_max != estats->nig_timer_max) {
+	    estats->nig_timer_max = nig_timer_max;
+	    PMD_DRV_LOG(ERR, "invalid NIG timer max (%u)",
+		  estats->nig_timer_max);
+	}
+    }
+
+    return 0;
+}
+
+static int
+bnx2x_storm_stats_validate_counters(struct bnx2x_softc *sc)
+{
+    struct stats_counter *counters = &sc->fw_stats_data->storm_counters;
+    uint16_t cur_stats_counter;
+
+    /*
+     * Make sure we use the value of the counter
+     * used for sending the last stats ramrod.
+     */
+    cur_stats_counter = (sc->stats_counter - 1);
+
+    /* are storm stats valid? */
+    if (le16toh(counters->xstats_counter) != cur_stats_counter) {
+	PMD_DRV_LOG(DEBUG,
+	      "stats not updated by xstorm, "
+	      "counter 0x%x != stats_counter 0x%x",
+	      le16toh(counters->xstats_counter), sc->stats_counter);
+	return -EAGAIN;
+    }
+
+    if (le16toh(counters->ustats_counter) != cur_stats_counter) {
+	PMD_DRV_LOG(DEBUG,
+	      "stats not updated by ustorm, "
+	      "counter 0x%x != stats_counter 0x%x",
+	      le16toh(counters->ustats_counter), sc->stats_counter);
+	return -EAGAIN;
+    }
+
+    if (le16toh(counters->cstats_counter) != cur_stats_counter) {
+	PMD_DRV_LOG(DEBUG,
+	      "stats not updated by cstorm, "
+	      "counter 0x%x != stats_counter 0x%x",
+	      le16toh(counters->cstats_counter), sc->stats_counter);
+	return -EAGAIN;
+    }
+
+    if (le16toh(counters->tstats_counter) != cur_stats_counter) {
+	PMD_DRV_LOG(DEBUG,
+	      "stats not updated by tstorm, "
+	      "counter 0x%x != stats_counter 0x%x",
+	      le16toh(counters->tstats_counter), sc->stats_counter);
+	return -EAGAIN;
+    }
+
+    return 0;
+}
+
+static int
+bnx2x_storm_stats_update(struct bnx2x_softc *sc)
+{
+	struct tstorm_per_port_stats *tport =
+		&sc->fw_stats_data->port.tstorm_port_statistics;
+	struct tstorm_per_pf_stats *tfunc =
+		&sc->fw_stats_data->pf.tstorm_pf_statistics;
+	struct host_func_stats *fstats = &sc->func_stats;
+	struct bnx2x_eth_stats *estats = &sc->eth_stats;
+	struct bnx2x_eth_stats_old *estats_old = &sc->eth_stats_old;
+	int i;
+
+	/* vfs stat counter is managed by pf */
+	if (IS_PF(sc) && bnx2x_storm_stats_validate_counters(sc)) {
+		return -EAGAIN;
+	}
+
+	estats->error_bytes_received_hi = 0;
+	estats->error_bytes_received_lo = 0;
+
+	for (i = 0; i < sc->num_queues; i++) {
+		struct bnx2x_fastpath *fp = &sc->fp[i];
+		struct tstorm_per_queue_stats *tclient =
+			&sc->fw_stats_data->queue_stats[i].tstorm_queue_statistics;
+		struct tstorm_per_queue_stats *old_tclient = &fp->old_tclient;
+		struct ustorm_per_queue_stats *uclient =
+			&sc->fw_stats_data->queue_stats[i].ustorm_queue_statistics;
+		struct ustorm_per_queue_stats *old_uclient = &fp->old_uclient;
+		struct xstorm_per_queue_stats *xclient =
+			&sc->fw_stats_data->queue_stats[i].xstorm_queue_statistics;
+		struct xstorm_per_queue_stats *old_xclient = &fp->old_xclient;
+		struct bnx2x_eth_q_stats *qstats = &fp->eth_q_stats;
+		struct bnx2x_eth_q_stats_old *qstats_old = &fp->eth_q_stats_old;
+
+		uint32_t diff;
+
+		/* PMD_DRV_LOG(DEBUG,
+				"queue[%d]: ucast_sent 0x%x bcast_sent 0x%x mcast_sent 0x%x",
+				i, xclient->ucast_pkts_sent, xclient->bcast_pkts_sent,
+				xclient->mcast_pkts_sent);
+
+		PMD_DRV_LOG(DEBUG, "---------------"); */
+
+		UPDATE_QSTAT(tclient->rcv_bcast_bytes,
+				total_broadcast_bytes_received);
+		UPDATE_QSTAT(tclient->rcv_mcast_bytes,
+				total_multicast_bytes_received);
+		UPDATE_QSTAT(tclient->rcv_ucast_bytes,
+				total_unicast_bytes_received);
+
+		/*
+		 * sum to total_bytes_received all
+		 * unicast/multicast/broadcast
+		 */
+		qstats->total_bytes_received_hi =
+			qstats->total_broadcast_bytes_received_hi;
+		qstats->total_bytes_received_lo =
+			qstats->total_broadcast_bytes_received_lo;
+
+		ADD_64(qstats->total_bytes_received_hi,
+				qstats->total_multicast_bytes_received_hi,
+				qstats->total_bytes_received_lo,
+				qstats->total_multicast_bytes_received_lo);
+
+		ADD_64(qstats->total_bytes_received_hi,
+				qstats->total_unicast_bytes_received_hi,
+				qstats->total_bytes_received_lo,
+				qstats->total_unicast_bytes_received_lo);
+
+		qstats->valid_bytes_received_hi = qstats->total_bytes_received_hi;
+		qstats->valid_bytes_received_lo = qstats->total_bytes_received_lo;
+
+		UPDATE_EXTEND_TSTAT(rcv_ucast_pkts, total_unicast_packets_received);
+		UPDATE_EXTEND_TSTAT(rcv_mcast_pkts, total_multicast_packets_received);
+		UPDATE_EXTEND_TSTAT(rcv_bcast_pkts, total_broadcast_packets_received);
+		UPDATE_EXTEND_E_TSTAT(pkts_too_big_discard,
+				etherstatsoverrsizepkts, 32);
+		UPDATE_EXTEND_E_TSTAT(no_buff_discard, no_buff_discard, 16);
+
+		SUB_EXTEND_USTAT(ucast_no_buff_pkts, total_unicast_packets_received);
+		SUB_EXTEND_USTAT(mcast_no_buff_pkts,
+				total_multicast_packets_received);
+		SUB_EXTEND_USTAT(bcast_no_buff_pkts,
+				total_broadcast_packets_received);
+		UPDATE_EXTEND_E_USTAT(ucast_no_buff_pkts, no_buff_discard);
+		UPDATE_EXTEND_E_USTAT(mcast_no_buff_pkts, no_buff_discard);
+		UPDATE_EXTEND_E_USTAT(bcast_no_buff_pkts, no_buff_discard);
+
+		UPDATE_QSTAT(xclient->bcast_bytes_sent,
+				total_broadcast_bytes_transmitted);
+		UPDATE_QSTAT(xclient->mcast_bytes_sent,
+				total_multicast_bytes_transmitted);
+		UPDATE_QSTAT(xclient->ucast_bytes_sent,
+				total_unicast_bytes_transmitted);
+
+		/*
+		 * sum to total_bytes_transmitted all
+		 * unicast/multicast/broadcast
+		 */
+		qstats->total_bytes_transmitted_hi =
+			qstats->total_unicast_bytes_transmitted_hi;
+		qstats->total_bytes_transmitted_lo =
+			qstats->total_unicast_bytes_transmitted_lo;
+
+		ADD_64(qstats->total_bytes_transmitted_hi,
+				qstats->total_broadcast_bytes_transmitted_hi,
+				qstats->total_bytes_transmitted_lo,
+				qstats->total_broadcast_bytes_transmitted_lo);
+
+		ADD_64(qstats->total_bytes_transmitted_hi,
+				qstats->total_multicast_bytes_transmitted_hi,
+				qstats->total_bytes_transmitted_lo,
+				qstats->total_multicast_bytes_transmitted_lo);
+
+		UPDATE_EXTEND_XSTAT(ucast_pkts_sent,
+				total_unicast_packets_transmitted);
+		UPDATE_EXTEND_XSTAT(mcast_pkts_sent,
+				total_multicast_packets_transmitted);
+		UPDATE_EXTEND_XSTAT(bcast_pkts_sent,
+				total_broadcast_packets_transmitted);
+
+		UPDATE_EXTEND_TSTAT(checksum_discard,
+				total_packets_received_checksum_discarded);
+		UPDATE_EXTEND_TSTAT(ttl0_discard,
+				total_packets_received_ttl0_discarded);
+
+		UPDATE_EXTEND_XSTAT(error_drop_pkts,
+				total_transmitted_dropped_packets_error);
+
+		UPDATE_FSTAT_QSTAT(total_bytes_received);
+		UPDATE_FSTAT_QSTAT(total_bytes_transmitted);
+		UPDATE_FSTAT_QSTAT(total_unicast_packets_received);
+		UPDATE_FSTAT_QSTAT(total_multicast_packets_received);
+		UPDATE_FSTAT_QSTAT(total_broadcast_packets_received);
+		UPDATE_FSTAT_QSTAT(total_unicast_packets_transmitted);
+		UPDATE_FSTAT_QSTAT(total_multicast_packets_transmitted);
+		UPDATE_FSTAT_QSTAT(total_broadcast_packets_transmitted);
+		UPDATE_FSTAT_QSTAT(valid_bytes_received);
+	}
+
+	ADD_64(estats->total_bytes_received_hi,
+			estats->rx_stat_ifhcinbadoctets_hi,
+			estats->total_bytes_received_lo,
+			estats->rx_stat_ifhcinbadoctets_lo);
+
+	ADD_64_LE(estats->total_bytes_received_hi,
+			tfunc->rcv_error_bytes.hi,
+			estats->total_bytes_received_lo,
+			tfunc->rcv_error_bytes.lo);
+
+	ADD_64_LE(estats->error_bytes_received_hi,
+			tfunc->rcv_error_bytes.hi,
+			estats->error_bytes_received_lo,
+			tfunc->rcv_error_bytes.lo);
+
+	UPDATE_ESTAT(etherstatsoverrsizepkts, rx_stat_dot3statsframestoolong);
+
+	ADD_64(estats->error_bytes_received_hi,
+			estats->rx_stat_ifhcinbadoctets_hi,
+			estats->error_bytes_received_lo,
+			estats->rx_stat_ifhcinbadoctets_lo);
+
+	if (sc->port.pmf) {
+		struct bnx2x_fw_port_stats_old *fwstats = &sc->fw_stats_old;
+		UPDATE_FW_STAT(mac_filter_discard);
+		UPDATE_FW_STAT(mf_tag_discard);
+		UPDATE_FW_STAT(brb_truncate_discard);
+		UPDATE_FW_STAT(mac_discard);
+	}
+
+	fstats->host_func_stats_start = ++fstats->host_func_stats_end;
+
+	sc->stats_pending = 0;
+
+	return 0;
+}
+
+static void
+bnx2x_drv_stats_update(struct bnx2x_softc *sc)
+{
+    struct bnx2x_eth_stats *estats = &sc->eth_stats;
+    int i;
+
+    for (i = 0; i < sc->num_queues; i++) {
+	struct bnx2x_eth_q_stats *qstats = &sc->fp[i].eth_q_stats;
+	struct bnx2x_eth_q_stats_old *qstats_old = &sc->fp[i].eth_q_stats_old;
+
+	UPDATE_ESTAT_QSTAT(rx_calls);
+	UPDATE_ESTAT_QSTAT(rx_pkts);
+	UPDATE_ESTAT_QSTAT(rx_soft_errors);
+	UPDATE_ESTAT_QSTAT(rx_hw_csum_errors);
+	UPDATE_ESTAT_QSTAT(rx_ofld_frames_csum_ip);
+	UPDATE_ESTAT_QSTAT(rx_ofld_frames_csum_tcp_udp);
+	UPDATE_ESTAT_QSTAT(rx_budget_reached);
+	UPDATE_ESTAT_QSTAT(tx_pkts);
+	UPDATE_ESTAT_QSTAT(tx_soft_errors);
+	UPDATE_ESTAT_QSTAT(tx_ofld_frames_csum_ip);
+	UPDATE_ESTAT_QSTAT(tx_ofld_frames_csum_tcp);
+	UPDATE_ESTAT_QSTAT(tx_ofld_frames_csum_udp);
+	UPDATE_ESTAT_QSTAT(tx_encap_failures);
+	UPDATE_ESTAT_QSTAT(tx_hw_queue_full);
+	UPDATE_ESTAT_QSTAT(tx_hw_max_queue_depth);
+	UPDATE_ESTAT_QSTAT(tx_dma_mapping_failure);
+	UPDATE_ESTAT_QSTAT(tx_max_drbr_queue_depth);
+	UPDATE_ESTAT_QSTAT(tx_window_violation_std);
+	UPDATE_ESTAT_QSTAT(tx_chain_lost_mbuf);
+	UPDATE_ESTAT_QSTAT(tx_frames_deferred);
+	UPDATE_ESTAT_QSTAT(tx_queue_xoff);
+
+	/* mbuf driver statistics */
+	UPDATE_ESTAT_QSTAT(mbuf_defrag_attempts);
+	UPDATE_ESTAT_QSTAT(mbuf_defrag_failures);
+	UPDATE_ESTAT_QSTAT(mbuf_rx_bd_alloc_failed);
+	UPDATE_ESTAT_QSTAT(mbuf_rx_bd_mapping_failed);
+
+	/* track the number of allocated mbufs */
+	UPDATE_ESTAT_QSTAT(mbuf_alloc_tx);
+	UPDATE_ESTAT_QSTAT(mbuf_alloc_rx);
+    }
+}
+
+static uint8_t
+bnx2x_edebug_stats_stopped(struct bnx2x_softc *sc)
+{
+    uint32_t val;
+
+    if (SHMEM2_HAS(sc, edebug_driver_if[1])) {
+	val = SHMEM2_RD(sc, edebug_driver_if[1]);
+
+	if (val == EDEBUG_DRIVER_IF_OP_CODE_DISABLE_STAT) {
+	    return TRUE;
+	}
+    }
+
+    return FALSE;
+}
+
+static void
+bnx2x_stats_update(struct bnx2x_softc *sc)
+{
+	uint32_t *stats_comp = BNX2X_SP(sc, stats_comp);
+
+	if (bnx2x_edebug_stats_stopped(sc)) {
+		return;
+	}
+
+	if (IS_PF(sc)) {
+
+		bnx2x_storm_stats_update(sc);
+		bnx2x_hw_stats_post(sc);
+		bnx2x_storm_stats_post(sc);
+		DELAY_MS(5);
+
+		if (*stats_comp != DMAE_COMP_VAL) {
+			return;
+		}
+
+		if (sc->port.pmf) {
+			bnx2x_hw_stats_update(sc);
+		}
+
+		if (bnx2x_storm_stats_update(sc)) {
+			if (sc->stats_pending++ == 3) {
+				rte_panic("storm stats not updated for 3 times");
+			}
+			return;
+		}
+	} else {
+		/*
+		 * VF doesn't collect HW statistics, and doesn't get completions,
+		 * performs only update.
+		 */
+		bnx2x_storm_stats_update(sc);
+	}
+
+	bnx2x_drv_stats_update(sc);
+}
+
+static void
+bnx2x_port_stats_stop(struct bnx2x_softc *sc)
+{
+    struct dmae_command *dmae;
+    uint32_t opcode;
+    int loader_idx = PMF_DMAE_C(sc);
+    uint32_t *stats_comp = BNX2X_SP(sc, stats_comp);
+
+    sc->executer_idx = 0;
+
+    opcode = bnx2x_dmae_opcode(sc, DMAE_SRC_PCI, DMAE_DST_GRC, FALSE, 0);
+
+    if (sc->port.port_stx) {
+	dmae = BNX2X_SP(sc, dmae[sc->executer_idx++]);
+
+	if (sc->func_stx) {
+	    dmae->opcode = bnx2x_dmae_opcode_add_comp(opcode, DMAE_COMP_GRC);
+	} else {
+	    dmae->opcode = bnx2x_dmae_opcode_add_comp(opcode, DMAE_COMP_PCI);
+	}
+
+	dmae->src_addr_lo = U64_LO(BNX2X_SP_MAPPING(sc, port_stats));
+	dmae->src_addr_hi = U64_HI(BNX2X_SP_MAPPING(sc, port_stats));
+	dmae->dst_addr_lo = sc->port.port_stx >> 2;
+	dmae->dst_addr_hi = 0;
+	dmae->len = bnx2x_get_port_stats_dma_len(sc);
+	if (sc->func_stx) {
+	    dmae->comp_addr_lo = (dmae_reg_go_c[loader_idx] >> 2);
+	    dmae->comp_addr_hi = 0;
+	    dmae->comp_val = 1;
+	} else {
+	    dmae->comp_addr_lo = U64_LO(BNX2X_SP_MAPPING(sc, stats_comp));
+	    dmae->comp_addr_hi = U64_HI(BNX2X_SP_MAPPING(sc, stats_comp));
+	    dmae->comp_val = DMAE_COMP_VAL;
+
+	    *stats_comp = 0;
+	}
+    }
+
+    if (sc->func_stx) {
+	dmae = BNX2X_SP(sc, dmae[sc->executer_idx++]);
+	dmae->opcode = bnx2x_dmae_opcode_add_comp(opcode, DMAE_COMP_PCI);
+	dmae->src_addr_lo = U64_LO(BNX2X_SP_MAPPING(sc, func_stats));
+	dmae->src_addr_hi = U64_HI(BNX2X_SP_MAPPING(sc, func_stats));
+	dmae->dst_addr_lo = (sc->func_stx >> 2);
+	dmae->dst_addr_hi = 0;
+	dmae->len = (sizeof(struct host_func_stats) >> 2);
+	dmae->comp_addr_lo = U64_LO(BNX2X_SP_MAPPING(sc, stats_comp));
+	dmae->comp_addr_hi = U64_HI(BNX2X_SP_MAPPING(sc, stats_comp));
+	dmae->comp_val = DMAE_COMP_VAL;
+
+	*stats_comp = 0;
+    }
+}
+
+static void
+bnx2x_stats_stop(struct bnx2x_softc *sc)
+{
+    uint8_t update = FALSE;
+
+    bnx2x_stats_comp(sc);
+
+    if (sc->port.pmf) {
+	update = bnx2x_hw_stats_update(sc) == 0;
+    }
+
+    update |= bnx2x_storm_stats_update(sc) == 0;
+
+    if (update) {
+
+	if (sc->port.pmf) {
+	    bnx2x_port_stats_stop(sc);
+	}
+
+	bnx2x_hw_stats_post(sc);
+	bnx2x_stats_comp(sc);
+    }
+}
+
+static void
+bnx2x_stats_do_nothing(__rte_unused struct bnx2x_softc *sc)
+{
+    return;
+}
+
+static const struct {
+    void (*action)(struct bnx2x_softc *sc);
+    enum bnx2x_stats_state next_state;
+} bnx2x_stats_stm[STATS_STATE_MAX][STATS_EVENT_MAX] = {
+    {
+    /* DISABLED PMF */ { bnx2x_stats_pmf_update, STATS_STATE_DISABLED },
+    /*      LINK_UP */ { bnx2x_stats_start,      STATS_STATE_ENABLED },
+    /*      UPDATE  */ { bnx2x_stats_do_nothing, STATS_STATE_DISABLED },
+    /*      STOP    */ { bnx2x_stats_do_nothing, STATS_STATE_DISABLED }
+    },
+    {
+    /* ENABLED  PMF */ { bnx2x_stats_pmf_start,  STATS_STATE_ENABLED },
+    /*      LINK_UP */ { bnx2x_stats_restart,    STATS_STATE_ENABLED },
+    /*      UPDATE  */ { bnx2x_stats_update,     STATS_STATE_ENABLED },
+    /*      STOP    */ { bnx2x_stats_stop,       STATS_STATE_DISABLED }
+    }
+};
+
+void bnx2x_stats_handle(struct bnx2x_softc *sc, enum bnx2x_stats_event event)
+{
+	enum bnx2x_stats_state state;
+
+	if (unlikely(sc->panic)) {
+		return;
+	}
+
+	state = sc->stats_state;
+	sc->stats_state = bnx2x_stats_stm[state][event].next_state;
+
+	bnx2x_stats_stm[state][event].action(sc);
+
+	if (event != STATS_EVENT_UPDATE) {
+		PMD_DRV_LOG(DEBUG,
+				"state %d -> event %d -> state %d",
+				state, event, sc->stats_state);
+	}
+}
+
+static void
+bnx2x_port_stats_base_init(struct bnx2x_softc *sc)
+{
+    struct dmae_command *dmae;
+    uint32_t *stats_comp = BNX2X_SP(sc, stats_comp);
+
+    /* sanity */
+    if (!sc->port.pmf || !sc->port.port_stx) {
+	PMD_DRV_LOG(ERR, "BUG!");
+	return;
+    }
+
+    sc->executer_idx = 0;
+
+    dmae = BNX2X_SP(sc, dmae[sc->executer_idx++]);
+    dmae->opcode = bnx2x_dmae_opcode(sc, DMAE_SRC_PCI, DMAE_DST_GRC,
+				   TRUE, DMAE_COMP_PCI);
+    dmae->src_addr_lo = U64_LO(BNX2X_SP_MAPPING(sc, port_stats));
+    dmae->src_addr_hi = U64_HI(BNX2X_SP_MAPPING(sc, port_stats));
+    dmae->dst_addr_lo = (sc->port.port_stx >> 2);
+    dmae->dst_addr_hi = 0;
+    dmae->len = bnx2x_get_port_stats_dma_len(sc);
+    dmae->comp_addr_lo = U64_LO(BNX2X_SP_MAPPING(sc, stats_comp));
+    dmae->comp_addr_hi = U64_HI(BNX2X_SP_MAPPING(sc, stats_comp));
+    dmae->comp_val = DMAE_COMP_VAL;
+
+    *stats_comp = 0;
+    bnx2x_hw_stats_post(sc);
+    bnx2x_stats_comp(sc);
+}
+
+/*
+ * This function will prepare the statistics ramrod data the way
+ * we will only have to increment the statistics counter and
+ * send the ramrod each time we have to.
+ */
+static void
+bnx2x_prep_fw_stats_req(struct bnx2x_softc *sc)
+{
+    int i;
+    int first_queue_query_index;
+    struct stats_query_header *stats_hdr = &sc->fw_stats_req->hdr;
+    phys_addr_t cur_data_offset;
+    struct stats_query_entry *cur_query_entry;
+
+    stats_hdr->cmd_num = sc->fw_stats_num;
+    stats_hdr->drv_stats_counter = 0;
+
+    /*
+     * The storm_counters struct contains the counters of completed
+     * statistics requests per storm which are incremented by FW
+     * each time it completes hadning a statistics ramrod. We will
+     * check these counters in the timer handler and discard a
+     * (statistics) ramrod completion.
+     */
+    cur_data_offset = (sc->fw_stats_data_mapping +
+		       offsetof(struct bnx2x_fw_stats_data, storm_counters));
+
+    stats_hdr->stats_counters_addrs.hi = htole32(U64_HI(cur_data_offset));
+    stats_hdr->stats_counters_addrs.lo = htole32(U64_LO(cur_data_offset));
+
+    /*
+     * Prepare the first stats ramrod (will be completed with
+     * the counters equal to zero) - init counters to somethig different.
+     */
+    memset(&sc->fw_stats_data->storm_counters, 0xff,
+	   sizeof(struct stats_counter));
+
+    /**** Port FW statistics data ****/
+    cur_data_offset = (sc->fw_stats_data_mapping +
+		       offsetof(struct bnx2x_fw_stats_data, port));
+
+    cur_query_entry = &sc->fw_stats_req->query[BNX2X_PORT_QUERY_IDX];
+
+    cur_query_entry->kind = STATS_TYPE_PORT;
+    /* For port query index is a DONT CARE */
+    cur_query_entry->index = SC_PORT(sc);
+    /* For port query funcID is a DONT CARE */
+    cur_query_entry->funcID = htole16(SC_FUNC(sc));
+    cur_query_entry->address.hi = htole32(U64_HI(cur_data_offset));
+    cur_query_entry->address.lo = htole32(U64_LO(cur_data_offset));
+
+    /**** PF FW statistics data ****/
+    cur_data_offset = (sc->fw_stats_data_mapping +
+		       offsetof(struct bnx2x_fw_stats_data, pf));
+
+    cur_query_entry = &sc->fw_stats_req->query[BNX2X_PF_QUERY_IDX];
+
+    cur_query_entry->kind = STATS_TYPE_PF;
+    /* For PF query index is a DONT CARE */
+    cur_query_entry->index = SC_PORT(sc);
+    cur_query_entry->funcID = htole16(SC_FUNC(sc));
+    cur_query_entry->address.hi = htole32(U64_HI(cur_data_offset));
+    cur_query_entry->address.lo = htole32(U64_LO(cur_data_offset));
+
+    /**** Clients' queries ****/
+    cur_data_offset = (sc->fw_stats_data_mapping +
+		       offsetof(struct bnx2x_fw_stats_data, queue_stats));
+
+    /*
+     * First queue query index depends whether FCoE offloaded request will
+     * be included in the ramrod
+     */
+	first_queue_query_index = (BNX2X_FIRST_QUEUE_QUERY_IDX - 1);
+
+    for (i = 0; i < sc->num_queues; i++) {
+	cur_query_entry =
+	    &sc->fw_stats_req->query[first_queue_query_index + i];
+
+	cur_query_entry->kind = STATS_TYPE_QUEUE;
+	cur_query_entry->index = bnx2x_stats_id(&sc->fp[i]);
+	cur_query_entry->funcID = htole16(SC_FUNC(sc));
+	cur_query_entry->address.hi = htole32(U64_HI(cur_data_offset));
+	cur_query_entry->address.lo = htole32(U64_LO(cur_data_offset));
+
+	cur_data_offset += sizeof(struct per_queue_stats);
+    }
+}
+
+void bnx2x_memset_stats(struct bnx2x_softc *sc)
+{
+	int i;
+
+	/* function stats */
+	for (i = 0; i < sc->num_queues; i++) {
+		struct bnx2x_fastpath *fp = &sc->fp[i];
+
+		memset(&fp->old_tclient, 0,
+				sizeof(fp->old_tclient));
+		memset(&fp->old_uclient, 0,
+				sizeof(fp->old_uclient));
+		memset(&fp->old_xclient, 0,
+				sizeof(fp->old_xclient));
+		if (sc->stats_init) {
+			memset(&fp->eth_q_stats, 0,
+					sizeof(fp->eth_q_stats));
+			memset(&fp->eth_q_stats_old, 0,
+					sizeof(fp->eth_q_stats_old));
+		}
+	}
+
+	if (sc->stats_init) {
+		memset(&sc->net_stats_old, 0, sizeof(sc->net_stats_old));
+		memset(&sc->fw_stats_old, 0, sizeof(sc->fw_stats_old));
+		memset(&sc->eth_stats_old, 0, sizeof(sc->eth_stats_old));
+		memset(&sc->eth_stats, 0, sizeof(sc->eth_stats));
+		memset(&sc->func_stats, 0, sizeof(sc->func_stats));
+	}
+
+	sc->stats_state = STATS_STATE_DISABLED;
+
+	if (sc->port.pmf && sc->port.port_stx)
+		bnx2x_port_stats_base_init(sc);
+
+	/* mark the end of statistics initializiation */
+	sc->stats_init = false;
+}
+
+void
+bnx2x_stats_init(struct bnx2x_softc *sc)
+{
+	int /*abs*/port = SC_PORT(sc);
+	int mb_idx = SC_FW_MB_IDX(sc);
+	int i;
+
+	sc->stats_pending = 0;
+	sc->executer_idx = 0;
+	sc->stats_counter = 0;
+
+	sc->stats_init = TRUE;
+
+	/* port and func stats for management */
+	if (!BNX2X_NOMCP(sc)) {
+		sc->port.port_stx = SHMEM_RD(sc, port_mb[port].port_stx);
+		sc->func_stx = SHMEM_RD(sc, func_mb[mb_idx].fw_mb_param);
+	} else {
+		sc->port.port_stx = 0;
+		sc->func_stx = 0;
+	}
+
+	PMD_DRV_LOG(DEBUG, "port_stx 0x%x func_stx 0x%x",
+			sc->port.port_stx, sc->func_stx);
+
+	/* pmf should retrieve port statistics from SP on a non-init*/
+	if (!sc->stats_init && sc->port.pmf && sc->port.port_stx) {
+		bnx2x_stats_handle(sc, STATS_EVENT_PMF);
+	}
+
+	port = SC_PORT(sc);
+	/* port stats */
+	memset(&(sc->port.old_nig_stats), 0, sizeof(struct nig_stats));
+	sc->port.old_nig_stats.brb_discard =
+		REG_RD(sc, NIG_REG_STAT0_BRB_DISCARD + port*0x38);
+	sc->port.old_nig_stats.brb_truncate =
+		REG_RD(sc, NIG_REG_STAT0_BRB_TRUNCATE + port*0x38);
+	if (!CHIP_IS_E3(sc)) {
+		REG_RD_DMAE(sc, NIG_REG_STAT0_EGRESS_MAC_PKT0 + port*0x50,
+				&(sc->port.old_nig_stats.egress_mac_pkt0_lo), 2);
+		REG_RD_DMAE(sc, NIG_REG_STAT0_EGRESS_MAC_PKT1 + port*0x50,
+				&(sc->port.old_nig_stats.egress_mac_pkt1_lo), 2);
+	}
+
+	/* function stats */
+	for (i = 0; i < sc->num_queues; i++) {
+		memset(&sc->fp[i].old_tclient, 0, sizeof(sc->fp[i].old_tclient));
+		memset(&sc->fp[i].old_uclient, 0, sizeof(sc->fp[i].old_uclient));
+		memset(&sc->fp[i].old_xclient, 0, sizeof(sc->fp[i].old_xclient));
+		if (sc->stats_init) {
+			memset(&sc->fp[i].eth_q_stats, 0,
+					sizeof(sc->fp[i].eth_q_stats));
+			memset(&sc->fp[i].eth_q_stats_old, 0,
+					sizeof(sc->fp[i].eth_q_stats_old));
+		}
+	}
+
+	/* prepare statistics ramrod data */
+	bnx2x_prep_fw_stats_req(sc);
+
+	if (sc->stats_init) {
+		memset(&sc->net_stats_old, 0, sizeof(sc->net_stats_old));
+		memset(&sc->fw_stats_old, 0, sizeof(sc->fw_stats_old));
+		memset(&sc->eth_stats_old, 0, sizeof(sc->eth_stats_old));
+		memset(&sc->eth_stats, 0, sizeof(sc->eth_stats));
+		memset(&sc->func_stats, 0, sizeof(sc->func_stats));
+
+		/* Clean SP from previous statistics */
+		if (sc->func_stx) {
+			memset(BNX2X_SP(sc, func_stats), 0, sizeof(struct host_func_stats));
+			bnx2x_func_stats_init(sc);
+			bnx2x_hw_stats_post(sc);
+			bnx2x_stats_comp(sc);
+		}
+	}
+
+	sc->stats_state = STATS_STATE_DISABLED;
+
+	if (sc->port.pmf && sc->port.port_stx) {
+		bnx2x_port_stats_base_init(sc);
+	}
+
+	/* mark the end of statistics initializiation */
+	sc->stats_init = FALSE;
+}
+
+void
+bnx2x_save_statistics(struct bnx2x_softc *sc)
+{
+	int i;
+
+	/* save queue statistics */
+	for (i = 0; i < sc->num_queues; i++) {
+		struct bnx2x_fastpath *fp = &sc->fp[i];
+		struct bnx2x_eth_q_stats *qstats = &fp->eth_q_stats;
+		struct bnx2x_eth_q_stats_old *qstats_old = &fp->eth_q_stats_old;
+
+		UPDATE_QSTAT_OLD(total_unicast_bytes_received_hi);
+		UPDATE_QSTAT_OLD(total_unicast_bytes_received_lo);
+		UPDATE_QSTAT_OLD(total_broadcast_bytes_received_hi);
+		UPDATE_QSTAT_OLD(total_broadcast_bytes_received_lo);
+		UPDATE_QSTAT_OLD(total_multicast_bytes_received_hi);
+		UPDATE_QSTAT_OLD(total_multicast_bytes_received_lo);
+		UPDATE_QSTAT_OLD(total_unicast_bytes_transmitted_hi);
+		UPDATE_QSTAT_OLD(total_unicast_bytes_transmitted_lo);
+		UPDATE_QSTAT_OLD(total_broadcast_bytes_transmitted_hi);
+		UPDATE_QSTAT_OLD(total_broadcast_bytes_transmitted_lo);
+		UPDATE_QSTAT_OLD(total_multicast_bytes_transmitted_hi);
+		UPDATE_QSTAT_OLD(total_multicast_bytes_transmitted_lo);
+	}
+
+	/* store port firmware statistics */
+	if (sc->port.pmf) {
+		struct bnx2x_eth_stats *estats = &sc->eth_stats;
+		struct bnx2x_fw_port_stats_old *fwstats = &sc->fw_stats_old;
+		struct host_port_stats *pstats = BNX2X_SP(sc, port_stats);
+
+		fwstats->pfc_frames_rx_hi = pstats->pfc_frames_rx_hi;
+		fwstats->pfc_frames_rx_lo = pstats->pfc_frames_rx_lo;
+		fwstats->pfc_frames_tx_hi = pstats->pfc_frames_tx_hi;
+		fwstats->pfc_frames_tx_lo = pstats->pfc_frames_tx_lo;
+
+		if (IS_MF(sc)) {
+			UPDATE_FW_STAT_OLD(mac_filter_discard);
+			UPDATE_FW_STAT_OLD(mf_tag_discard);
+			UPDATE_FW_STAT_OLD(brb_truncate_discard);
+			UPDATE_FW_STAT_OLD(mac_discard);
+		}
+	}
+}